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1 /*
2 	Copyright (C) 2010 Willow Garage <http://www.willowgarage.com>
3 	Copyright (C) 2010 Ivo van Doorn <IvDoorn@gmail.com>
4 	Copyright (C) 2009 Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
5 	Copyright (C) 2009 Gertjan van Wingerde <gwingerde@gmail.com>
6 
7 	Based on the original rt2800pci.c and rt2800usb.c.
8 	  Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
9 	  Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
10 	  Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
11 	  Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
12 	  Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
13 	  Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
14 	  <http://rt2x00.serialmonkey.com>
15 
16 	This program is free software; you can redistribute it and/or modify
17 	it under the terms of the GNU General Public License as published by
18 	the Free Software Foundation; either version 2 of the License, or
19 	(at your option) any later version.
20 
21 	This program is distributed in the hope that it will be useful,
22 	but WITHOUT ANY WARRANTY; without even the implied warranty of
23 	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 	GNU General Public License for more details.
25 
26 	You should have received a copy of the GNU General Public License
27 	along with this program; if not, see <http://www.gnu.org/licenses/>.
28  */
29 
30 /*
31 	Module: rt2800lib
32 	Abstract: rt2800 generic device routines.
33  */
34 
35 #include <linux/crc-ccitt.h>
36 #include <linux/kernel.h>
37 #include <linux/module.h>
38 #include <linux/slab.h>
39 
40 #include "rt2x00.h"
41 #include "rt2800lib.h"
42 #include "rt2800.h"
43 
44 /*
45  * Register access.
46  * All access to the CSR registers will go through the methods
47  * rt2800_register_read and rt2800_register_write.
48  * BBP and RF register require indirect register access,
49  * and use the CSR registers BBPCSR and RFCSR to achieve this.
50  * These indirect registers work with busy bits,
51  * and we will try maximal REGISTER_BUSY_COUNT times to access
52  * the register while taking a REGISTER_BUSY_DELAY us delay
53  * between each attampt. When the busy bit is still set at that time,
54  * the access attempt is considered to have failed,
55  * and we will print an error.
56  * The _lock versions must be used if you already hold the csr_mutex
57  */
58 #define WAIT_FOR_BBP(__dev, __reg) \
59 	rt2800_regbusy_read((__dev), BBP_CSR_CFG, BBP_CSR_CFG_BUSY, (__reg))
60 #define WAIT_FOR_RFCSR(__dev, __reg) \
61 	rt2800_regbusy_read((__dev), RF_CSR_CFG, RF_CSR_CFG_BUSY, (__reg))
62 #define WAIT_FOR_RF(__dev, __reg) \
63 	rt2800_regbusy_read((__dev), RF_CSR_CFG0, RF_CSR_CFG0_BUSY, (__reg))
64 #define WAIT_FOR_MCU(__dev, __reg) \
65 	rt2800_regbusy_read((__dev), H2M_MAILBOX_CSR, \
66 			    H2M_MAILBOX_CSR_OWNER, (__reg))
67 
rt2800_is_305x_soc(struct rt2x00_dev * rt2x00dev)68 static inline bool rt2800_is_305x_soc(struct rt2x00_dev *rt2x00dev)
69 {
70 	/* check for rt2872 on SoC */
71 	if (!rt2x00_is_soc(rt2x00dev) ||
72 	    !rt2x00_rt(rt2x00dev, RT2872))
73 		return false;
74 
75 	/* we know for sure that these rf chipsets are used on rt305x boards */
76 	if (rt2x00_rf(rt2x00dev, RF3020) ||
77 	    rt2x00_rf(rt2x00dev, RF3021) ||
78 	    rt2x00_rf(rt2x00dev, RF3022))
79 		return true;
80 
81 	rt2x00_warn(rt2x00dev, "Unknown RF chipset on rt305x\n");
82 	return false;
83 }
84 
rt2800_bbp_write(struct rt2x00_dev * rt2x00dev,const unsigned int word,const u8 value)85 static void rt2800_bbp_write(struct rt2x00_dev *rt2x00dev,
86 			     const unsigned int word, const u8 value)
87 {
88 	u32 reg;
89 
90 	mutex_lock(&rt2x00dev->csr_mutex);
91 
92 	/*
93 	 * Wait until the BBP becomes available, afterwards we
94 	 * can safely write the new data into the register.
95 	 */
96 	if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
97 		reg = 0;
98 		rt2x00_set_field32(&reg, BBP_CSR_CFG_VALUE, value);
99 		rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
100 		rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
101 		rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 0);
102 		rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
103 
104 		rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
105 	}
106 
107 	mutex_unlock(&rt2x00dev->csr_mutex);
108 }
109 
rt2800_bbp_read(struct rt2x00_dev * rt2x00dev,const unsigned int word,u8 * value)110 static void rt2800_bbp_read(struct rt2x00_dev *rt2x00dev,
111 			    const unsigned int word, u8 *value)
112 {
113 	u32 reg;
114 
115 	mutex_lock(&rt2x00dev->csr_mutex);
116 
117 	/*
118 	 * Wait until the BBP becomes available, afterwards we
119 	 * can safely write the read request into the register.
120 	 * After the data has been written, we wait until hardware
121 	 * returns the correct value, if at any time the register
122 	 * doesn't become available in time, reg will be 0xffffffff
123 	 * which means we return 0xff to the caller.
124 	 */
125 	if (WAIT_FOR_BBP(rt2x00dev, &reg)) {
126 		reg = 0;
127 		rt2x00_set_field32(&reg, BBP_CSR_CFG_REGNUM, word);
128 		rt2x00_set_field32(&reg, BBP_CSR_CFG_BUSY, 1);
129 		rt2x00_set_field32(&reg, BBP_CSR_CFG_READ_CONTROL, 1);
130 		rt2x00_set_field32(&reg, BBP_CSR_CFG_BBP_RW_MODE, 1);
131 
132 		rt2800_register_write_lock(rt2x00dev, BBP_CSR_CFG, reg);
133 
134 		WAIT_FOR_BBP(rt2x00dev, &reg);
135 	}
136 
137 	*value = rt2x00_get_field32(reg, BBP_CSR_CFG_VALUE);
138 
139 	mutex_unlock(&rt2x00dev->csr_mutex);
140 }
141 
rt2800_rfcsr_write(struct rt2x00_dev * rt2x00dev,const unsigned int word,const u8 value)142 static void rt2800_rfcsr_write(struct rt2x00_dev *rt2x00dev,
143 			       const unsigned int word, const u8 value)
144 {
145 	u32 reg;
146 
147 	mutex_lock(&rt2x00dev->csr_mutex);
148 
149 	/*
150 	 * Wait until the RFCSR becomes available, afterwards we
151 	 * can safely write the new data into the register.
152 	 */
153 	if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
154 		reg = 0;
155 		rt2x00_set_field32(&reg, RF_CSR_CFG_DATA, value);
156 		rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
157 		rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 1);
158 		rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
159 
160 		rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
161 	}
162 
163 	mutex_unlock(&rt2x00dev->csr_mutex);
164 }
165 
rt2800_rfcsr_read(struct rt2x00_dev * rt2x00dev,const unsigned int word,u8 * value)166 static void rt2800_rfcsr_read(struct rt2x00_dev *rt2x00dev,
167 			      const unsigned int word, u8 *value)
168 {
169 	u32 reg;
170 
171 	mutex_lock(&rt2x00dev->csr_mutex);
172 
173 	/*
174 	 * Wait until the RFCSR becomes available, afterwards we
175 	 * can safely write the read request into the register.
176 	 * After the data has been written, we wait until hardware
177 	 * returns the correct value, if at any time the register
178 	 * doesn't become available in time, reg will be 0xffffffff
179 	 * which means we return 0xff to the caller.
180 	 */
181 	if (WAIT_FOR_RFCSR(rt2x00dev, &reg)) {
182 		reg = 0;
183 		rt2x00_set_field32(&reg, RF_CSR_CFG_REGNUM, word);
184 		rt2x00_set_field32(&reg, RF_CSR_CFG_WRITE, 0);
185 		rt2x00_set_field32(&reg, RF_CSR_CFG_BUSY, 1);
186 
187 		rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG, reg);
188 
189 		WAIT_FOR_RFCSR(rt2x00dev, &reg);
190 	}
191 
192 	*value = rt2x00_get_field32(reg, RF_CSR_CFG_DATA);
193 
194 	mutex_unlock(&rt2x00dev->csr_mutex);
195 }
196 
rt2800_rf_write(struct rt2x00_dev * rt2x00dev,const unsigned int word,const u32 value)197 static void rt2800_rf_write(struct rt2x00_dev *rt2x00dev,
198 			    const unsigned int word, const u32 value)
199 {
200 	u32 reg;
201 
202 	mutex_lock(&rt2x00dev->csr_mutex);
203 
204 	/*
205 	 * Wait until the RF becomes available, afterwards we
206 	 * can safely write the new data into the register.
207 	 */
208 	if (WAIT_FOR_RF(rt2x00dev, &reg)) {
209 		reg = 0;
210 		rt2x00_set_field32(&reg, RF_CSR_CFG0_REG_VALUE_BW, value);
211 		rt2x00_set_field32(&reg, RF_CSR_CFG0_STANDBYMODE, 0);
212 		rt2x00_set_field32(&reg, RF_CSR_CFG0_SEL, 0);
213 		rt2x00_set_field32(&reg, RF_CSR_CFG0_BUSY, 1);
214 
215 		rt2800_register_write_lock(rt2x00dev, RF_CSR_CFG0, reg);
216 		rt2x00_rf_write(rt2x00dev, word, value);
217 	}
218 
219 	mutex_unlock(&rt2x00dev->csr_mutex);
220 }
221 
222 static const unsigned int rt2800_eeprom_map[EEPROM_WORD_COUNT] = {
223 	[EEPROM_CHIP_ID]		= 0x0000,
224 	[EEPROM_VERSION]		= 0x0001,
225 	[EEPROM_MAC_ADDR_0]		= 0x0002,
226 	[EEPROM_MAC_ADDR_1]		= 0x0003,
227 	[EEPROM_MAC_ADDR_2]		= 0x0004,
228 	[EEPROM_NIC_CONF0]		= 0x001a,
229 	[EEPROM_NIC_CONF1]		= 0x001b,
230 	[EEPROM_FREQ]			= 0x001d,
231 	[EEPROM_LED_AG_CONF]		= 0x001e,
232 	[EEPROM_LED_ACT_CONF]		= 0x001f,
233 	[EEPROM_LED_POLARITY]		= 0x0020,
234 	[EEPROM_NIC_CONF2]		= 0x0021,
235 	[EEPROM_LNA]			= 0x0022,
236 	[EEPROM_RSSI_BG]		= 0x0023,
237 	[EEPROM_RSSI_BG2]		= 0x0024,
238 	[EEPROM_TXMIXER_GAIN_BG]	= 0x0024, /* overlaps with RSSI_BG2 */
239 	[EEPROM_RSSI_A]			= 0x0025,
240 	[EEPROM_RSSI_A2]		= 0x0026,
241 	[EEPROM_TXMIXER_GAIN_A]		= 0x0026, /* overlaps with RSSI_A2 */
242 	[EEPROM_EIRP_MAX_TX_POWER]	= 0x0027,
243 	[EEPROM_TXPOWER_DELTA]		= 0x0028,
244 	[EEPROM_TXPOWER_BG1]		= 0x0029,
245 	[EEPROM_TXPOWER_BG2]		= 0x0030,
246 	[EEPROM_TSSI_BOUND_BG1]		= 0x0037,
247 	[EEPROM_TSSI_BOUND_BG2]		= 0x0038,
248 	[EEPROM_TSSI_BOUND_BG3]		= 0x0039,
249 	[EEPROM_TSSI_BOUND_BG4]		= 0x003a,
250 	[EEPROM_TSSI_BOUND_BG5]		= 0x003b,
251 	[EEPROM_TXPOWER_A1]		= 0x003c,
252 	[EEPROM_TXPOWER_A2]		= 0x0053,
253 	[EEPROM_TSSI_BOUND_A1]		= 0x006a,
254 	[EEPROM_TSSI_BOUND_A2]		= 0x006b,
255 	[EEPROM_TSSI_BOUND_A3]		= 0x006c,
256 	[EEPROM_TSSI_BOUND_A4]		= 0x006d,
257 	[EEPROM_TSSI_BOUND_A5]		= 0x006e,
258 	[EEPROM_TXPOWER_BYRATE]		= 0x006f,
259 	[EEPROM_BBP_START]		= 0x0078,
260 };
261 
262 static const unsigned int rt2800_eeprom_map_ext[EEPROM_WORD_COUNT] = {
263 	[EEPROM_CHIP_ID]		= 0x0000,
264 	[EEPROM_VERSION]		= 0x0001,
265 	[EEPROM_MAC_ADDR_0]		= 0x0002,
266 	[EEPROM_MAC_ADDR_1]		= 0x0003,
267 	[EEPROM_MAC_ADDR_2]		= 0x0004,
268 	[EEPROM_NIC_CONF0]		= 0x001a,
269 	[EEPROM_NIC_CONF1]		= 0x001b,
270 	[EEPROM_NIC_CONF2]		= 0x001c,
271 	[EEPROM_EIRP_MAX_TX_POWER]	= 0x0020,
272 	[EEPROM_FREQ]			= 0x0022,
273 	[EEPROM_LED_AG_CONF]		= 0x0023,
274 	[EEPROM_LED_ACT_CONF]		= 0x0024,
275 	[EEPROM_LED_POLARITY]		= 0x0025,
276 	[EEPROM_LNA]			= 0x0026,
277 	[EEPROM_EXT_LNA2]		= 0x0027,
278 	[EEPROM_RSSI_BG]		= 0x0028,
279 	[EEPROM_RSSI_BG2]		= 0x0029,
280 	[EEPROM_RSSI_A]			= 0x002a,
281 	[EEPROM_RSSI_A2]		= 0x002b,
282 	[EEPROM_TXPOWER_BG1]		= 0x0030,
283 	[EEPROM_TXPOWER_BG2]		= 0x0037,
284 	[EEPROM_EXT_TXPOWER_BG3]	= 0x003e,
285 	[EEPROM_TSSI_BOUND_BG1]		= 0x0045,
286 	[EEPROM_TSSI_BOUND_BG2]		= 0x0046,
287 	[EEPROM_TSSI_BOUND_BG3]		= 0x0047,
288 	[EEPROM_TSSI_BOUND_BG4]		= 0x0048,
289 	[EEPROM_TSSI_BOUND_BG5]		= 0x0049,
290 	[EEPROM_TXPOWER_A1]		= 0x004b,
291 	[EEPROM_TXPOWER_A2]		= 0x0065,
292 	[EEPROM_EXT_TXPOWER_A3]		= 0x007f,
293 	[EEPROM_TSSI_BOUND_A1]		= 0x009a,
294 	[EEPROM_TSSI_BOUND_A2]		= 0x009b,
295 	[EEPROM_TSSI_BOUND_A3]		= 0x009c,
296 	[EEPROM_TSSI_BOUND_A4]		= 0x009d,
297 	[EEPROM_TSSI_BOUND_A5]		= 0x009e,
298 	[EEPROM_TXPOWER_BYRATE]		= 0x00a0,
299 };
300 
rt2800_eeprom_word_index(struct rt2x00_dev * rt2x00dev,const enum rt2800_eeprom_word word)301 static unsigned int rt2800_eeprom_word_index(struct rt2x00_dev *rt2x00dev,
302 					     const enum rt2800_eeprom_word word)
303 {
304 	const unsigned int *map;
305 	unsigned int index;
306 
307 	if (WARN_ONCE(word >= EEPROM_WORD_COUNT,
308 		      "%s: invalid EEPROM word %d\n",
309 		      wiphy_name(rt2x00dev->hw->wiphy), word))
310 		return 0;
311 
312 	if (rt2x00_rt(rt2x00dev, RT3593))
313 		map = rt2800_eeprom_map_ext;
314 	else
315 		map = rt2800_eeprom_map;
316 
317 	index = map[word];
318 
319 	/* Index 0 is valid only for EEPROM_CHIP_ID.
320 	 * Otherwise it means that the offset of the
321 	 * given word is not initialized in the map,
322 	 * or that the field is not usable on the
323 	 * actual chipset.
324 	 */
325 	WARN_ONCE(word != EEPROM_CHIP_ID && index == 0,
326 		  "%s: invalid access of EEPROM word %d\n",
327 		  wiphy_name(rt2x00dev->hw->wiphy), word);
328 
329 	return index;
330 }
331 
rt2800_eeprom_addr(struct rt2x00_dev * rt2x00dev,const enum rt2800_eeprom_word word)332 static void *rt2800_eeprom_addr(struct rt2x00_dev *rt2x00dev,
333 				const enum rt2800_eeprom_word word)
334 {
335 	unsigned int index;
336 
337 	index = rt2800_eeprom_word_index(rt2x00dev, word);
338 	return rt2x00_eeprom_addr(rt2x00dev, index);
339 }
340 
rt2800_eeprom_read(struct rt2x00_dev * rt2x00dev,const enum rt2800_eeprom_word word,u16 * data)341 static void rt2800_eeprom_read(struct rt2x00_dev *rt2x00dev,
342 			       const enum rt2800_eeprom_word word, u16 *data)
343 {
344 	unsigned int index;
345 
346 	index = rt2800_eeprom_word_index(rt2x00dev, word);
347 	rt2x00_eeprom_read(rt2x00dev, index, data);
348 }
349 
rt2800_eeprom_write(struct rt2x00_dev * rt2x00dev,const enum rt2800_eeprom_word word,u16 data)350 static void rt2800_eeprom_write(struct rt2x00_dev *rt2x00dev,
351 				const enum rt2800_eeprom_word word, u16 data)
352 {
353 	unsigned int index;
354 
355 	index = rt2800_eeprom_word_index(rt2x00dev, word);
356 	rt2x00_eeprom_write(rt2x00dev, index, data);
357 }
358 
rt2800_eeprom_read_from_array(struct rt2x00_dev * rt2x00dev,const enum rt2800_eeprom_word array,unsigned int offset,u16 * data)359 static void rt2800_eeprom_read_from_array(struct rt2x00_dev *rt2x00dev,
360 					  const enum rt2800_eeprom_word array,
361 					  unsigned int offset,
362 					  u16 *data)
363 {
364 	unsigned int index;
365 
366 	index = rt2800_eeprom_word_index(rt2x00dev, array);
367 	rt2x00_eeprom_read(rt2x00dev, index + offset, data);
368 }
369 
rt2800_enable_wlan_rt3290(struct rt2x00_dev * rt2x00dev)370 static int rt2800_enable_wlan_rt3290(struct rt2x00_dev *rt2x00dev)
371 {
372 	u32 reg;
373 	int i, count;
374 
375 	rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, &reg);
376 	if (rt2x00_get_field32(reg, WLAN_EN))
377 		return 0;
378 
379 	rt2x00_set_field32(&reg, WLAN_GPIO_OUT_OE_BIT_ALL, 0xff);
380 	rt2x00_set_field32(&reg, FRC_WL_ANT_SET, 1);
381 	rt2x00_set_field32(&reg, WLAN_CLK_EN, 0);
382 	rt2x00_set_field32(&reg, WLAN_EN, 1);
383 	rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
384 
385 	udelay(REGISTER_BUSY_DELAY);
386 
387 	count = 0;
388 	do {
389 		/*
390 		 * Check PLL_LD & XTAL_RDY.
391 		 */
392 		for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
393 			rt2800_register_read(rt2x00dev, CMB_CTRL, &reg);
394 			if (rt2x00_get_field32(reg, PLL_LD) &&
395 			    rt2x00_get_field32(reg, XTAL_RDY))
396 				break;
397 			udelay(REGISTER_BUSY_DELAY);
398 		}
399 
400 		if (i >= REGISTER_BUSY_COUNT) {
401 
402 			if (count >= 10)
403 				return -EIO;
404 
405 			rt2800_register_write(rt2x00dev, 0x58, 0x018);
406 			udelay(REGISTER_BUSY_DELAY);
407 			rt2800_register_write(rt2x00dev, 0x58, 0x418);
408 			udelay(REGISTER_BUSY_DELAY);
409 			rt2800_register_write(rt2x00dev, 0x58, 0x618);
410 			udelay(REGISTER_BUSY_DELAY);
411 			count++;
412 		} else {
413 			count = 0;
414 		}
415 
416 		rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, &reg);
417 		rt2x00_set_field32(&reg, PCIE_APP0_CLK_REQ, 0);
418 		rt2x00_set_field32(&reg, WLAN_CLK_EN, 1);
419 		rt2x00_set_field32(&reg, WLAN_RESET, 1);
420 		rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
421 		udelay(10);
422 		rt2x00_set_field32(&reg, WLAN_RESET, 0);
423 		rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
424 		udelay(10);
425 		rt2800_register_write(rt2x00dev, INT_SOURCE_CSR, 0x7fffffff);
426 	} while (count != 0);
427 
428 	return 0;
429 }
430 
rt2800_mcu_request(struct rt2x00_dev * rt2x00dev,const u8 command,const u8 token,const u8 arg0,const u8 arg1)431 void rt2800_mcu_request(struct rt2x00_dev *rt2x00dev,
432 			const u8 command, const u8 token,
433 			const u8 arg0, const u8 arg1)
434 {
435 	u32 reg;
436 
437 	/*
438 	 * SOC devices don't support MCU requests.
439 	 */
440 	if (rt2x00_is_soc(rt2x00dev))
441 		return;
442 
443 	mutex_lock(&rt2x00dev->csr_mutex);
444 
445 	/*
446 	 * Wait until the MCU becomes available, afterwards we
447 	 * can safely write the new data into the register.
448 	 */
449 	if (WAIT_FOR_MCU(rt2x00dev, &reg)) {
450 		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_OWNER, 1);
451 		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_CMD_TOKEN, token);
452 		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG0, arg0);
453 		rt2x00_set_field32(&reg, H2M_MAILBOX_CSR_ARG1, arg1);
454 		rt2800_register_write_lock(rt2x00dev, H2M_MAILBOX_CSR, reg);
455 
456 		reg = 0;
457 		rt2x00_set_field32(&reg, HOST_CMD_CSR_HOST_COMMAND, command);
458 		rt2800_register_write_lock(rt2x00dev, HOST_CMD_CSR, reg);
459 	}
460 
461 	mutex_unlock(&rt2x00dev->csr_mutex);
462 }
463 EXPORT_SYMBOL_GPL(rt2800_mcu_request);
464 
rt2800_wait_csr_ready(struct rt2x00_dev * rt2x00dev)465 int rt2800_wait_csr_ready(struct rt2x00_dev *rt2x00dev)
466 {
467 	unsigned int i = 0;
468 	u32 reg;
469 
470 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
471 		rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
472 		if (reg && reg != ~0)
473 			return 0;
474 		msleep(1);
475 	}
476 
477 	rt2x00_err(rt2x00dev, "Unstable hardware\n");
478 	return -EBUSY;
479 }
480 EXPORT_SYMBOL_GPL(rt2800_wait_csr_ready);
481 
rt2800_wait_wpdma_ready(struct rt2x00_dev * rt2x00dev)482 int rt2800_wait_wpdma_ready(struct rt2x00_dev *rt2x00dev)
483 {
484 	unsigned int i;
485 	u32 reg;
486 
487 	/*
488 	 * Some devices are really slow to respond here. Wait a whole second
489 	 * before timing out.
490 	 */
491 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
492 		rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
493 		if (!rt2x00_get_field32(reg, WPDMA_GLO_CFG_TX_DMA_BUSY) &&
494 		    !rt2x00_get_field32(reg, WPDMA_GLO_CFG_RX_DMA_BUSY))
495 			return 0;
496 
497 		msleep(10);
498 	}
499 
500 	rt2x00_err(rt2x00dev, "WPDMA TX/RX busy [0x%08x]\n", reg);
501 	return -EACCES;
502 }
503 EXPORT_SYMBOL_GPL(rt2800_wait_wpdma_ready);
504 
rt2800_disable_wpdma(struct rt2x00_dev * rt2x00dev)505 void rt2800_disable_wpdma(struct rt2x00_dev *rt2x00dev)
506 {
507 	u32 reg;
508 
509 	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
510 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
511 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
512 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
513 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
514 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
515 	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
516 }
517 EXPORT_SYMBOL_GPL(rt2800_disable_wpdma);
518 
rt2800_get_txwi_rxwi_size(struct rt2x00_dev * rt2x00dev,unsigned short * txwi_size,unsigned short * rxwi_size)519 void rt2800_get_txwi_rxwi_size(struct rt2x00_dev *rt2x00dev,
520 			       unsigned short *txwi_size,
521 			       unsigned short *rxwi_size)
522 {
523 	switch (rt2x00dev->chip.rt) {
524 	case RT3593:
525 		*txwi_size = TXWI_DESC_SIZE_4WORDS;
526 		*rxwi_size = RXWI_DESC_SIZE_5WORDS;
527 		break;
528 
529 	case RT5592:
530 		*txwi_size = TXWI_DESC_SIZE_5WORDS;
531 		*rxwi_size = RXWI_DESC_SIZE_6WORDS;
532 		break;
533 
534 	default:
535 		*txwi_size = TXWI_DESC_SIZE_4WORDS;
536 		*rxwi_size = RXWI_DESC_SIZE_4WORDS;
537 		break;
538 	}
539 }
540 EXPORT_SYMBOL_GPL(rt2800_get_txwi_rxwi_size);
541 
rt2800_check_firmware_crc(const u8 * data,const size_t len)542 static bool rt2800_check_firmware_crc(const u8 *data, const size_t len)
543 {
544 	u16 fw_crc;
545 	u16 crc;
546 
547 	/*
548 	 * The last 2 bytes in the firmware array are the crc checksum itself,
549 	 * this means that we should never pass those 2 bytes to the crc
550 	 * algorithm.
551 	 */
552 	fw_crc = (data[len - 2] << 8 | data[len - 1]);
553 
554 	/*
555 	 * Use the crc ccitt algorithm.
556 	 * This will return the same value as the legacy driver which
557 	 * used bit ordering reversion on the both the firmware bytes
558 	 * before input input as well as on the final output.
559 	 * Obviously using crc ccitt directly is much more efficient.
560 	 */
561 	crc = crc_ccitt(~0, data, len - 2);
562 
563 	/*
564 	 * There is a small difference between the crc-itu-t + bitrev and
565 	 * the crc-ccitt crc calculation. In the latter method the 2 bytes
566 	 * will be swapped, use swab16 to convert the crc to the correct
567 	 * value.
568 	 */
569 	crc = swab16(crc);
570 
571 	return fw_crc == crc;
572 }
573 
rt2800_check_firmware(struct rt2x00_dev * rt2x00dev,const u8 * data,const size_t len)574 int rt2800_check_firmware(struct rt2x00_dev *rt2x00dev,
575 			  const u8 *data, const size_t len)
576 {
577 	size_t offset = 0;
578 	size_t fw_len;
579 	bool multiple;
580 
581 	/*
582 	 * PCI(e) & SOC devices require firmware with a length
583 	 * of 8kb. USB devices require firmware files with a length
584 	 * of 4kb. Certain USB chipsets however require different firmware,
585 	 * which Ralink only provides attached to the original firmware
586 	 * file. Thus for USB devices, firmware files have a length
587 	 * which is a multiple of 4kb. The firmware for rt3290 chip also
588 	 * have a length which is a multiple of 4kb.
589 	 */
590 	if (rt2x00_is_usb(rt2x00dev) || rt2x00_rt(rt2x00dev, RT3290))
591 		fw_len = 4096;
592 	else
593 		fw_len = 8192;
594 
595 	multiple = true;
596 	/*
597 	 * Validate the firmware length
598 	 */
599 	if (len != fw_len && (!multiple || (len % fw_len) != 0))
600 		return FW_BAD_LENGTH;
601 
602 	/*
603 	 * Check if the chipset requires one of the upper parts
604 	 * of the firmware.
605 	 */
606 	if (rt2x00_is_usb(rt2x00dev) &&
607 	    !rt2x00_rt(rt2x00dev, RT2860) &&
608 	    !rt2x00_rt(rt2x00dev, RT2872) &&
609 	    !rt2x00_rt(rt2x00dev, RT3070) &&
610 	    ((len / fw_len) == 1))
611 		return FW_BAD_VERSION;
612 
613 	/*
614 	 * 8kb firmware files must be checked as if it were
615 	 * 2 separate firmware files.
616 	 */
617 	while (offset < len) {
618 		if (!rt2800_check_firmware_crc(data + offset, fw_len))
619 			return FW_BAD_CRC;
620 
621 		offset += fw_len;
622 	}
623 
624 	return FW_OK;
625 }
626 EXPORT_SYMBOL_GPL(rt2800_check_firmware);
627 
rt2800_load_firmware(struct rt2x00_dev * rt2x00dev,const u8 * data,const size_t len)628 int rt2800_load_firmware(struct rt2x00_dev *rt2x00dev,
629 			 const u8 *data, const size_t len)
630 {
631 	unsigned int i;
632 	u32 reg;
633 	int retval;
634 
635 	if (rt2x00_rt(rt2x00dev, RT3290)) {
636 		retval = rt2800_enable_wlan_rt3290(rt2x00dev);
637 		if (retval)
638 			return -EBUSY;
639 	}
640 
641 	/*
642 	 * If driver doesn't wake up firmware here,
643 	 * rt2800_load_firmware will hang forever when interface is up again.
644 	 */
645 	rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0x00000000);
646 
647 	/*
648 	 * Wait for stable hardware.
649 	 */
650 	if (rt2800_wait_csr_ready(rt2x00dev))
651 		return -EBUSY;
652 
653 	if (rt2x00_is_pci(rt2x00dev)) {
654 		if (rt2x00_rt(rt2x00dev, RT3290) ||
655 		    rt2x00_rt(rt2x00dev, RT3572) ||
656 		    rt2x00_rt(rt2x00dev, RT5390) ||
657 		    rt2x00_rt(rt2x00dev, RT5392)) {
658 			rt2800_register_read(rt2x00dev, AUX_CTRL, &reg);
659 			rt2x00_set_field32(&reg, AUX_CTRL_FORCE_PCIE_CLK, 1);
660 			rt2x00_set_field32(&reg, AUX_CTRL_WAKE_PCIE_EN, 1);
661 			rt2800_register_write(rt2x00dev, AUX_CTRL, reg);
662 		}
663 		rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000002);
664 	}
665 
666 	rt2800_disable_wpdma(rt2x00dev);
667 
668 	/*
669 	 * Write firmware to the device.
670 	 */
671 	rt2800_drv_write_firmware(rt2x00dev, data, len);
672 
673 	/*
674 	 * Wait for device to stabilize.
675 	 */
676 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
677 		rt2800_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
678 		if (rt2x00_get_field32(reg, PBF_SYS_CTRL_READY))
679 			break;
680 		msleep(1);
681 	}
682 
683 	if (i == REGISTER_BUSY_COUNT) {
684 		rt2x00_err(rt2x00dev, "PBF system register not ready\n");
685 		return -EBUSY;
686 	}
687 
688 	/*
689 	 * Disable DMA, will be reenabled later when enabling
690 	 * the radio.
691 	 */
692 	rt2800_disable_wpdma(rt2x00dev);
693 
694 	/*
695 	 * Initialize firmware.
696 	 */
697 	rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
698 	rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
699 	if (rt2x00_is_usb(rt2x00dev)) {
700 		rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0);
701 		rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
702 	}
703 	msleep(1);
704 
705 	return 0;
706 }
707 EXPORT_SYMBOL_GPL(rt2800_load_firmware);
708 
rt2800_write_tx_data(struct queue_entry * entry,struct txentry_desc * txdesc)709 void rt2800_write_tx_data(struct queue_entry *entry,
710 			  struct txentry_desc *txdesc)
711 {
712 	__le32 *txwi = rt2800_drv_get_txwi(entry);
713 	u32 word;
714 	int i;
715 
716 	/*
717 	 * Initialize TX Info descriptor
718 	 */
719 	rt2x00_desc_read(txwi, 0, &word);
720 	rt2x00_set_field32(&word, TXWI_W0_FRAG,
721 			   test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
722 	rt2x00_set_field32(&word, TXWI_W0_MIMO_PS,
723 			   test_bit(ENTRY_TXD_HT_MIMO_PS, &txdesc->flags));
724 	rt2x00_set_field32(&word, TXWI_W0_CF_ACK, 0);
725 	rt2x00_set_field32(&word, TXWI_W0_TS,
726 			   test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
727 	rt2x00_set_field32(&word, TXWI_W0_AMPDU,
728 			   test_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags));
729 	rt2x00_set_field32(&word, TXWI_W0_MPDU_DENSITY,
730 			   txdesc->u.ht.mpdu_density);
731 	rt2x00_set_field32(&word, TXWI_W0_TX_OP, txdesc->u.ht.txop);
732 	rt2x00_set_field32(&word, TXWI_W0_MCS, txdesc->u.ht.mcs);
733 	rt2x00_set_field32(&word, TXWI_W0_BW,
734 			   test_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags));
735 	rt2x00_set_field32(&word, TXWI_W0_SHORT_GI,
736 			   test_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags));
737 	rt2x00_set_field32(&word, TXWI_W0_STBC, txdesc->u.ht.stbc);
738 	rt2x00_set_field32(&word, TXWI_W0_PHYMODE, txdesc->rate_mode);
739 	rt2x00_desc_write(txwi, 0, word);
740 
741 	rt2x00_desc_read(txwi, 1, &word);
742 	rt2x00_set_field32(&word, TXWI_W1_ACK,
743 			   test_bit(ENTRY_TXD_ACK, &txdesc->flags));
744 	rt2x00_set_field32(&word, TXWI_W1_NSEQ,
745 			   test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags));
746 	rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->u.ht.ba_size);
747 	rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID,
748 			   test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ?
749 			   txdesc->key_idx : txdesc->u.ht.wcid);
750 	rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT,
751 			   txdesc->length);
752 	rt2x00_set_field32(&word, TXWI_W1_PACKETID_QUEUE, entry->queue->qid);
753 	rt2x00_set_field32(&word, TXWI_W1_PACKETID_ENTRY, (entry->entry_idx % 3) + 1);
754 	rt2x00_desc_write(txwi, 1, word);
755 
756 	/*
757 	 * Always write 0 to IV/EIV fields (word 2 and 3), hardware will insert
758 	 * the IV from the IVEIV register when TXD_W3_WIV is set to 0.
759 	 * When TXD_W3_WIV is set to 1 it will use the IV data
760 	 * from the descriptor. The TXWI_W1_WIRELESS_CLI_ID indicates which
761 	 * crypto entry in the registers should be used to encrypt the frame.
762 	 *
763 	 * Nulify all remaining words as well, we don't know how to program them.
764 	 */
765 	for (i = 2; i < entry->queue->winfo_size / sizeof(__le32); i++)
766 		_rt2x00_desc_write(txwi, i, 0);
767 }
768 EXPORT_SYMBOL_GPL(rt2800_write_tx_data);
769 
rt2800_agc_to_rssi(struct rt2x00_dev * rt2x00dev,u32 rxwi_w2)770 static int rt2800_agc_to_rssi(struct rt2x00_dev *rt2x00dev, u32 rxwi_w2)
771 {
772 	s8 rssi0 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI0);
773 	s8 rssi1 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI1);
774 	s8 rssi2 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI2);
775 	u16 eeprom;
776 	u8 offset0;
777 	u8 offset1;
778 	u8 offset2;
779 
780 	if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
781 		rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &eeprom);
782 		offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET0);
783 		offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET1);
784 		rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
785 		offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG2_OFFSET2);
786 	} else {
787 		rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &eeprom);
788 		offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET0);
789 		offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A_OFFSET1);
790 		rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
791 		offset2 = rt2x00_get_field16(eeprom, EEPROM_RSSI_A2_OFFSET2);
792 	}
793 
794 	/*
795 	 * Convert the value from the descriptor into the RSSI value
796 	 * If the value in the descriptor is 0, it is considered invalid
797 	 * and the default (extremely low) rssi value is assumed
798 	 */
799 	rssi0 = (rssi0) ? (-12 - offset0 - rt2x00dev->lna_gain - rssi0) : -128;
800 	rssi1 = (rssi1) ? (-12 - offset1 - rt2x00dev->lna_gain - rssi1) : -128;
801 	rssi2 = (rssi2) ? (-12 - offset2 - rt2x00dev->lna_gain - rssi2) : -128;
802 
803 	/*
804 	 * mac80211 only accepts a single RSSI value. Calculating the
805 	 * average doesn't deliver a fair answer either since -60:-60 would
806 	 * be considered equally good as -50:-70 while the second is the one
807 	 * which gives less energy...
808 	 */
809 	rssi0 = max(rssi0, rssi1);
810 	return (int)max(rssi0, rssi2);
811 }
812 
rt2800_process_rxwi(struct queue_entry * entry,struct rxdone_entry_desc * rxdesc)813 void rt2800_process_rxwi(struct queue_entry *entry,
814 			 struct rxdone_entry_desc *rxdesc)
815 {
816 	__le32 *rxwi = (__le32 *) entry->skb->data;
817 	u32 word;
818 
819 	rt2x00_desc_read(rxwi, 0, &word);
820 
821 	rxdesc->cipher = rt2x00_get_field32(word, RXWI_W0_UDF);
822 	rxdesc->size = rt2x00_get_field32(word, RXWI_W0_MPDU_TOTAL_BYTE_COUNT);
823 
824 	rt2x00_desc_read(rxwi, 1, &word);
825 
826 	if (rt2x00_get_field32(word, RXWI_W1_SHORT_GI))
827 		rxdesc->flags |= RX_FLAG_SHORT_GI;
828 
829 	if (rt2x00_get_field32(word, RXWI_W1_BW))
830 		rxdesc->flags |= RX_FLAG_40MHZ;
831 
832 	/*
833 	 * Detect RX rate, always use MCS as signal type.
834 	 */
835 	rxdesc->dev_flags |= RXDONE_SIGNAL_MCS;
836 	rxdesc->signal = rt2x00_get_field32(word, RXWI_W1_MCS);
837 	rxdesc->rate_mode = rt2x00_get_field32(word, RXWI_W1_PHYMODE);
838 
839 	/*
840 	 * Mask of 0x8 bit to remove the short preamble flag.
841 	 */
842 	if (rxdesc->rate_mode == RATE_MODE_CCK)
843 		rxdesc->signal &= ~0x8;
844 
845 	rt2x00_desc_read(rxwi, 2, &word);
846 
847 	/*
848 	 * Convert descriptor AGC value to RSSI value.
849 	 */
850 	rxdesc->rssi = rt2800_agc_to_rssi(entry->queue->rt2x00dev, word);
851 	/*
852 	 * Remove RXWI descriptor from start of the buffer.
853 	 */
854 	skb_pull(entry->skb, entry->queue->winfo_size);
855 }
856 EXPORT_SYMBOL_GPL(rt2800_process_rxwi);
857 
rt2800_txdone_entry(struct queue_entry * entry,u32 status,__le32 * txwi)858 void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi)
859 {
860 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
861 	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
862 	struct txdone_entry_desc txdesc;
863 	u32 word;
864 	u16 mcs, real_mcs;
865 	int aggr, ampdu;
866 
867 	/*
868 	 * Obtain the status about this packet.
869 	 */
870 	txdesc.flags = 0;
871 	rt2x00_desc_read(txwi, 0, &word);
872 
873 	mcs = rt2x00_get_field32(word, TXWI_W0_MCS);
874 	ampdu = rt2x00_get_field32(word, TXWI_W0_AMPDU);
875 
876 	real_mcs = rt2x00_get_field32(status, TX_STA_FIFO_MCS);
877 	aggr = rt2x00_get_field32(status, TX_STA_FIFO_TX_AGGRE);
878 
879 	/*
880 	 * If a frame was meant to be sent as a single non-aggregated MPDU
881 	 * but ended up in an aggregate the used tx rate doesn't correlate
882 	 * with the one specified in the TXWI as the whole aggregate is sent
883 	 * with the same rate.
884 	 *
885 	 * For example: two frames are sent to rt2x00, the first one sets
886 	 * AMPDU=1 and requests MCS7 whereas the second frame sets AMDPU=0
887 	 * and requests MCS15. If the hw aggregates both frames into one
888 	 * AMDPU the tx status for both frames will contain MCS7 although
889 	 * the frame was sent successfully.
890 	 *
891 	 * Hence, replace the requested rate with the real tx rate to not
892 	 * confuse the rate control algortihm by providing clearly wrong
893 	 * data.
894 	 */
895 	if (unlikely(aggr == 1 && ampdu == 0 && real_mcs != mcs)) {
896 		skbdesc->tx_rate_idx = real_mcs;
897 		mcs = real_mcs;
898 	}
899 
900 	if (aggr == 1 || ampdu == 1)
901 		__set_bit(TXDONE_AMPDU, &txdesc.flags);
902 
903 	/*
904 	 * Ralink has a retry mechanism using a global fallback
905 	 * table. We setup this fallback table to try the immediate
906 	 * lower rate for all rates. In the TX_STA_FIFO, the MCS field
907 	 * always contains the MCS used for the last transmission, be
908 	 * it successful or not.
909 	 */
910 	if (rt2x00_get_field32(status, TX_STA_FIFO_TX_SUCCESS)) {
911 		/*
912 		 * Transmission succeeded. The number of retries is
913 		 * mcs - real_mcs
914 		 */
915 		__set_bit(TXDONE_SUCCESS, &txdesc.flags);
916 		txdesc.retry = ((mcs > real_mcs) ? mcs - real_mcs : 0);
917 	} else {
918 		/*
919 		 * Transmission failed. The number of retries is
920 		 * always 7 in this case (for a total number of 8
921 		 * frames sent).
922 		 */
923 		__set_bit(TXDONE_FAILURE, &txdesc.flags);
924 		txdesc.retry = rt2x00dev->long_retry;
925 	}
926 
927 	/*
928 	 * the frame was retried at least once
929 	 * -> hw used fallback rates
930 	 */
931 	if (txdesc.retry)
932 		__set_bit(TXDONE_FALLBACK, &txdesc.flags);
933 
934 	rt2x00lib_txdone(entry, &txdesc);
935 }
936 EXPORT_SYMBOL_GPL(rt2800_txdone_entry);
937 
rt2800_hw_beacon_base(struct rt2x00_dev * rt2x00dev,unsigned int index)938 static unsigned int rt2800_hw_beacon_base(struct rt2x00_dev *rt2x00dev,
939 					  unsigned int index)
940 {
941 	return HW_BEACON_BASE(index);
942 }
943 
rt2800_get_beacon_offset(struct rt2x00_dev * rt2x00dev,unsigned int index)944 static inline u8 rt2800_get_beacon_offset(struct rt2x00_dev *rt2x00dev,
945 					  unsigned int index)
946 {
947 	return BEACON_BASE_TO_OFFSET(rt2800_hw_beacon_base(rt2x00dev, index));
948 }
949 
rt2800_update_beacons_setup(struct rt2x00_dev * rt2x00dev)950 static void rt2800_update_beacons_setup(struct rt2x00_dev *rt2x00dev)
951 {
952 	struct data_queue *queue = rt2x00dev->bcn;
953 	struct queue_entry *entry;
954 	int i, bcn_num = 0;
955 	u64 off, reg = 0;
956 	u32 bssid_dw1;
957 
958 	/*
959 	 * Setup offsets of all active beacons in BCN_OFFSET{0,1} registers.
960 	 */
961 	for (i = 0; i < queue->limit; i++) {
962 		entry = &queue->entries[i];
963 		if (!test_bit(ENTRY_BCN_ENABLED, &entry->flags))
964 			continue;
965 		off = rt2800_get_beacon_offset(rt2x00dev, entry->entry_idx);
966 		reg |= off << (8 * bcn_num);
967 		bcn_num++;
968 	}
969 
970 	WARN_ON_ONCE(bcn_num != rt2x00dev->intf_beaconing);
971 
972 	rt2800_register_write(rt2x00dev, BCN_OFFSET0, (u32) reg);
973 	rt2800_register_write(rt2x00dev, BCN_OFFSET1, (u32) (reg >> 32));
974 
975 	/*
976 	 * H/W sends up to MAC_BSSID_DW1_BSS_BCN_NUM + 1 consecutive beacons.
977 	 */
978 	rt2800_register_read(rt2x00dev, MAC_BSSID_DW1, &bssid_dw1);
979 	rt2x00_set_field32(&bssid_dw1, MAC_BSSID_DW1_BSS_BCN_NUM,
980 			   bcn_num > 0 ? bcn_num - 1 : 0);
981 	rt2800_register_write(rt2x00dev, MAC_BSSID_DW1, bssid_dw1);
982 }
983 
rt2800_write_beacon(struct queue_entry * entry,struct txentry_desc * txdesc)984 void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc)
985 {
986 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
987 	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
988 	unsigned int beacon_base;
989 	unsigned int padding_len;
990 	u32 orig_reg, reg;
991 	const int txwi_desc_size = entry->queue->winfo_size;
992 
993 	/*
994 	 * Disable beaconing while we are reloading the beacon data,
995 	 * otherwise we might be sending out invalid data.
996 	 */
997 	rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
998 	orig_reg = reg;
999 	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
1000 	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1001 
1002 	/*
1003 	 * Add space for the TXWI in front of the skb.
1004 	 */
1005 	memset(skb_push(entry->skb, txwi_desc_size), 0, txwi_desc_size);
1006 
1007 	/*
1008 	 * Register descriptor details in skb frame descriptor.
1009 	 */
1010 	skbdesc->flags |= SKBDESC_DESC_IN_SKB;
1011 	skbdesc->desc = entry->skb->data;
1012 	skbdesc->desc_len = txwi_desc_size;
1013 
1014 	/*
1015 	 * Add the TXWI for the beacon to the skb.
1016 	 */
1017 	rt2800_write_tx_data(entry, txdesc);
1018 
1019 	/*
1020 	 * Dump beacon to userspace through debugfs.
1021 	 */
1022 	rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_BEACON, entry->skb);
1023 
1024 	/*
1025 	 * Write entire beacon with TXWI and padding to register.
1026 	 */
1027 	padding_len = roundup(entry->skb->len, 4) - entry->skb->len;
1028 	if (padding_len && skb_pad(entry->skb, padding_len)) {
1029 		rt2x00_err(rt2x00dev, "Failure padding beacon, aborting\n");
1030 		/* skb freed by skb_pad() on failure */
1031 		entry->skb = NULL;
1032 		rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
1033 		return;
1034 	}
1035 
1036 	beacon_base = rt2800_hw_beacon_base(rt2x00dev, entry->entry_idx);
1037 
1038 	rt2800_register_multiwrite(rt2x00dev, beacon_base, entry->skb->data,
1039 				   entry->skb->len + padding_len);
1040 	__set_bit(ENTRY_BCN_ENABLED, &entry->flags);
1041 
1042 	/*
1043 	 * Change global beacons settings.
1044 	 */
1045 	rt2800_update_beacons_setup(rt2x00dev);
1046 
1047 	/*
1048 	 * Restore beaconing state.
1049 	 */
1050 	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
1051 
1052 	/*
1053 	 * Clean up beacon skb.
1054 	 */
1055 	dev_kfree_skb_any(entry->skb);
1056 	entry->skb = NULL;
1057 }
1058 EXPORT_SYMBOL_GPL(rt2800_write_beacon);
1059 
rt2800_clear_beacon_register(struct rt2x00_dev * rt2x00dev,unsigned int index)1060 static inline void rt2800_clear_beacon_register(struct rt2x00_dev *rt2x00dev,
1061 						unsigned int index)
1062 {
1063 	int i;
1064 	const int txwi_desc_size = rt2x00dev->bcn->winfo_size;
1065 	unsigned int beacon_base;
1066 
1067 	beacon_base = rt2800_hw_beacon_base(rt2x00dev, index);
1068 
1069 	/*
1070 	 * For the Beacon base registers we only need to clear
1071 	 * the whole TXWI which (when set to 0) will invalidate
1072 	 * the entire beacon.
1073 	 */
1074 	for (i = 0; i < txwi_desc_size; i += sizeof(__le32))
1075 		rt2800_register_write(rt2x00dev, beacon_base + i, 0);
1076 }
1077 
rt2800_clear_beacon(struct queue_entry * entry)1078 void rt2800_clear_beacon(struct queue_entry *entry)
1079 {
1080 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1081 	u32 orig_reg, reg;
1082 
1083 	/*
1084 	 * Disable beaconing while we are reloading the beacon data,
1085 	 * otherwise we might be sending out invalid data.
1086 	 */
1087 	rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &orig_reg);
1088 	reg = orig_reg;
1089 	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
1090 	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1091 
1092 	/*
1093 	 * Clear beacon.
1094 	 */
1095 	rt2800_clear_beacon_register(rt2x00dev, entry->entry_idx);
1096 	__clear_bit(ENTRY_BCN_ENABLED, &entry->flags);
1097 
1098 	/*
1099 	 * Change global beacons settings.
1100 	 */
1101 	rt2800_update_beacons_setup(rt2x00dev);
1102 	/*
1103 	 * Restore beaconing state.
1104 	 */
1105 	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, orig_reg);
1106 }
1107 EXPORT_SYMBOL_GPL(rt2800_clear_beacon);
1108 
1109 #ifdef CONFIG_RT2X00_LIB_DEBUGFS
1110 const struct rt2x00debug rt2800_rt2x00debug = {
1111 	.owner	= THIS_MODULE,
1112 	.csr	= {
1113 		.read		= rt2800_register_read,
1114 		.write		= rt2800_register_write,
1115 		.flags		= RT2X00DEBUGFS_OFFSET,
1116 		.word_base	= CSR_REG_BASE,
1117 		.word_size	= sizeof(u32),
1118 		.word_count	= CSR_REG_SIZE / sizeof(u32),
1119 	},
1120 	.eeprom	= {
1121 		/* NOTE: The local EEPROM access functions can't
1122 		 * be used here, use the generic versions instead.
1123 		 */
1124 		.read		= rt2x00_eeprom_read,
1125 		.write		= rt2x00_eeprom_write,
1126 		.word_base	= EEPROM_BASE,
1127 		.word_size	= sizeof(u16),
1128 		.word_count	= EEPROM_SIZE / sizeof(u16),
1129 	},
1130 	.bbp	= {
1131 		.read		= rt2800_bbp_read,
1132 		.write		= rt2800_bbp_write,
1133 		.word_base	= BBP_BASE,
1134 		.word_size	= sizeof(u8),
1135 		.word_count	= BBP_SIZE / sizeof(u8),
1136 	},
1137 	.rf	= {
1138 		.read		= rt2x00_rf_read,
1139 		.write		= rt2800_rf_write,
1140 		.word_base	= RF_BASE,
1141 		.word_size	= sizeof(u32),
1142 		.word_count	= RF_SIZE / sizeof(u32),
1143 	},
1144 	.rfcsr	= {
1145 		.read		= rt2800_rfcsr_read,
1146 		.write		= rt2800_rfcsr_write,
1147 		.word_base	= RFCSR_BASE,
1148 		.word_size	= sizeof(u8),
1149 		.word_count	= RFCSR_SIZE / sizeof(u8),
1150 	},
1151 };
1152 EXPORT_SYMBOL_GPL(rt2800_rt2x00debug);
1153 #endif /* CONFIG_RT2X00_LIB_DEBUGFS */
1154 
rt2800_rfkill_poll(struct rt2x00_dev * rt2x00dev)1155 int rt2800_rfkill_poll(struct rt2x00_dev *rt2x00dev)
1156 {
1157 	u32 reg;
1158 
1159 	if (rt2x00_rt(rt2x00dev, RT3290)) {
1160 		rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, &reg);
1161 		return rt2x00_get_field32(reg, WLAN_GPIO_IN_BIT0);
1162 	} else {
1163 		rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
1164 		return rt2x00_get_field32(reg, GPIO_CTRL_VAL2);
1165 	}
1166 }
1167 EXPORT_SYMBOL_GPL(rt2800_rfkill_poll);
1168 
1169 #ifdef CONFIG_RT2X00_LIB_LEDS
rt2800_brightness_set(struct led_classdev * led_cdev,enum led_brightness brightness)1170 static void rt2800_brightness_set(struct led_classdev *led_cdev,
1171 				  enum led_brightness brightness)
1172 {
1173 	struct rt2x00_led *led =
1174 	    container_of(led_cdev, struct rt2x00_led, led_dev);
1175 	unsigned int enabled = brightness != LED_OFF;
1176 	unsigned int bg_mode =
1177 	    (enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
1178 	unsigned int polarity =
1179 		rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
1180 				   EEPROM_FREQ_LED_POLARITY);
1181 	unsigned int ledmode =
1182 		rt2x00_get_field16(led->rt2x00dev->led_mcu_reg,
1183 				   EEPROM_FREQ_LED_MODE);
1184 	u32 reg;
1185 
1186 	/* Check for SoC (SOC devices don't support MCU requests) */
1187 	if (rt2x00_is_soc(led->rt2x00dev)) {
1188 		rt2800_register_read(led->rt2x00dev, LED_CFG, &reg);
1189 
1190 		/* Set LED Polarity */
1191 		rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, polarity);
1192 
1193 		/* Set LED Mode */
1194 		if (led->type == LED_TYPE_RADIO) {
1195 			rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE,
1196 					   enabled ? 3 : 0);
1197 		} else if (led->type == LED_TYPE_ASSOC) {
1198 			rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE,
1199 					   enabled ? 3 : 0);
1200 		} else if (led->type == LED_TYPE_QUALITY) {
1201 			rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE,
1202 					   enabled ? 3 : 0);
1203 		}
1204 
1205 		rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
1206 
1207 	} else {
1208 		if (led->type == LED_TYPE_RADIO) {
1209 			rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
1210 					      enabled ? 0x20 : 0);
1211 		} else if (led->type == LED_TYPE_ASSOC) {
1212 			rt2800_mcu_request(led->rt2x00dev, MCU_LED, 0xff, ledmode,
1213 					      enabled ? (bg_mode ? 0x60 : 0xa0) : 0x20);
1214 		} else if (led->type == LED_TYPE_QUALITY) {
1215 			/*
1216 			 * The brightness is divided into 6 levels (0 - 5),
1217 			 * The specs tell us the following levels:
1218 			 *	0, 1 ,3, 7, 15, 31
1219 			 * to determine the level in a simple way we can simply
1220 			 * work with bitshifting:
1221 			 *	(1 << level) - 1
1222 			 */
1223 			rt2800_mcu_request(led->rt2x00dev, MCU_LED_STRENGTH, 0xff,
1224 					      (1 << brightness / (LED_FULL / 6)) - 1,
1225 					      polarity);
1226 		}
1227 	}
1228 }
1229 
rt2800_init_led(struct rt2x00_dev * rt2x00dev,struct rt2x00_led * led,enum led_type type)1230 static void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
1231 		     struct rt2x00_led *led, enum led_type type)
1232 {
1233 	led->rt2x00dev = rt2x00dev;
1234 	led->type = type;
1235 	led->led_dev.brightness_set = rt2800_brightness_set;
1236 	led->flags = LED_INITIALIZED;
1237 }
1238 #endif /* CONFIG_RT2X00_LIB_LEDS */
1239 
1240 /*
1241  * Configuration handlers.
1242  */
rt2800_config_wcid(struct rt2x00_dev * rt2x00dev,const u8 * address,int wcid)1243 static void rt2800_config_wcid(struct rt2x00_dev *rt2x00dev,
1244 			       const u8 *address,
1245 			       int wcid)
1246 {
1247 	struct mac_wcid_entry wcid_entry;
1248 	u32 offset;
1249 
1250 	offset = MAC_WCID_ENTRY(wcid);
1251 
1252 	memset(&wcid_entry, 0xff, sizeof(wcid_entry));
1253 	if (address)
1254 		memcpy(wcid_entry.mac, address, ETH_ALEN);
1255 
1256 	rt2800_register_multiwrite(rt2x00dev, offset,
1257 				      &wcid_entry, sizeof(wcid_entry));
1258 }
1259 
rt2800_delete_wcid_attr(struct rt2x00_dev * rt2x00dev,int wcid)1260 static void rt2800_delete_wcid_attr(struct rt2x00_dev *rt2x00dev, int wcid)
1261 {
1262 	u32 offset;
1263 	offset = MAC_WCID_ATTR_ENTRY(wcid);
1264 	rt2800_register_write(rt2x00dev, offset, 0);
1265 }
1266 
rt2800_config_wcid_attr_bssidx(struct rt2x00_dev * rt2x00dev,int wcid,u32 bssidx)1267 static void rt2800_config_wcid_attr_bssidx(struct rt2x00_dev *rt2x00dev,
1268 					   int wcid, u32 bssidx)
1269 {
1270 	u32 offset = MAC_WCID_ATTR_ENTRY(wcid);
1271 	u32 reg;
1272 
1273 	/*
1274 	 * The BSS Idx numbers is split in a main value of 3 bits,
1275 	 * and a extended field for adding one additional bit to the value.
1276 	 */
1277 	rt2800_register_read(rt2x00dev, offset, &reg);
1278 	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX, (bssidx & 0x7));
1279 	rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX_EXT,
1280 			   (bssidx & 0x8) >> 3);
1281 	rt2800_register_write(rt2x00dev, offset, reg);
1282 }
1283 
rt2800_config_wcid_attr_cipher(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_crypto * crypto,struct ieee80211_key_conf * key)1284 static void rt2800_config_wcid_attr_cipher(struct rt2x00_dev *rt2x00dev,
1285 					   struct rt2x00lib_crypto *crypto,
1286 					   struct ieee80211_key_conf *key)
1287 {
1288 	struct mac_iveiv_entry iveiv_entry;
1289 	u32 offset;
1290 	u32 reg;
1291 
1292 	offset = MAC_WCID_ATTR_ENTRY(key->hw_key_idx);
1293 
1294 	if (crypto->cmd == SET_KEY) {
1295 		rt2800_register_read(rt2x00dev, offset, &reg);
1296 		rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB,
1297 				   !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE));
1298 		/*
1299 		 * Both the cipher as the BSS Idx numbers are split in a main
1300 		 * value of 3 bits, and a extended field for adding one additional
1301 		 * bit to the value.
1302 		 */
1303 		rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER,
1304 				   (crypto->cipher & 0x7));
1305 		rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER_EXT,
1306 				   (crypto->cipher & 0x8) >> 3);
1307 		rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
1308 		rt2800_register_write(rt2x00dev, offset, reg);
1309 	} else {
1310 		/* Delete the cipher without touching the bssidx */
1311 		rt2800_register_read(rt2x00dev, offset, &reg);
1312 		rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB, 0);
1313 		rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER, 0);
1314 		rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER_EXT, 0);
1315 		rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, 0);
1316 		rt2800_register_write(rt2x00dev, offset, reg);
1317 	}
1318 
1319 	offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
1320 
1321 	memset(&iveiv_entry, 0, sizeof(iveiv_entry));
1322 	if ((crypto->cipher == CIPHER_TKIP) ||
1323 	    (crypto->cipher == CIPHER_TKIP_NO_MIC) ||
1324 	    (crypto->cipher == CIPHER_AES))
1325 		iveiv_entry.iv[3] |= 0x20;
1326 	iveiv_entry.iv[3] |= key->keyidx << 6;
1327 	rt2800_register_multiwrite(rt2x00dev, offset,
1328 				      &iveiv_entry, sizeof(iveiv_entry));
1329 }
1330 
rt2800_config_shared_key(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_crypto * crypto,struct ieee80211_key_conf * key)1331 int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
1332 			     struct rt2x00lib_crypto *crypto,
1333 			     struct ieee80211_key_conf *key)
1334 {
1335 	struct hw_key_entry key_entry;
1336 	struct rt2x00_field32 field;
1337 	u32 offset;
1338 	u32 reg;
1339 
1340 	if (crypto->cmd == SET_KEY) {
1341 		key->hw_key_idx = (4 * crypto->bssidx) + key->keyidx;
1342 
1343 		memcpy(key_entry.key, crypto->key,
1344 		       sizeof(key_entry.key));
1345 		memcpy(key_entry.tx_mic, crypto->tx_mic,
1346 		       sizeof(key_entry.tx_mic));
1347 		memcpy(key_entry.rx_mic, crypto->rx_mic,
1348 		       sizeof(key_entry.rx_mic));
1349 
1350 		offset = SHARED_KEY_ENTRY(key->hw_key_idx);
1351 		rt2800_register_multiwrite(rt2x00dev, offset,
1352 					      &key_entry, sizeof(key_entry));
1353 	}
1354 
1355 	/*
1356 	 * The cipher types are stored over multiple registers
1357 	 * starting with SHARED_KEY_MODE_BASE each word will have
1358 	 * 32 bits and contains the cipher types for 2 bssidx each.
1359 	 * Using the correct defines correctly will cause overhead,
1360 	 * so just calculate the correct offset.
1361 	 */
1362 	field.bit_offset = 4 * (key->hw_key_idx % 8);
1363 	field.bit_mask = 0x7 << field.bit_offset;
1364 
1365 	offset = SHARED_KEY_MODE_ENTRY(key->hw_key_idx / 8);
1366 
1367 	rt2800_register_read(rt2x00dev, offset, &reg);
1368 	rt2x00_set_field32(&reg, field,
1369 			   (crypto->cmd == SET_KEY) * crypto->cipher);
1370 	rt2800_register_write(rt2x00dev, offset, reg);
1371 
1372 	/*
1373 	 * Update WCID information
1374 	 */
1375 	rt2800_config_wcid(rt2x00dev, crypto->address, key->hw_key_idx);
1376 	rt2800_config_wcid_attr_bssidx(rt2x00dev, key->hw_key_idx,
1377 				       crypto->bssidx);
1378 	rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
1379 
1380 	return 0;
1381 }
1382 EXPORT_SYMBOL_GPL(rt2800_config_shared_key);
1383 
rt2800_config_pairwise_key(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_crypto * crypto,struct ieee80211_key_conf * key)1384 int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
1385 			       struct rt2x00lib_crypto *crypto,
1386 			       struct ieee80211_key_conf *key)
1387 {
1388 	struct hw_key_entry key_entry;
1389 	u32 offset;
1390 
1391 	if (crypto->cmd == SET_KEY) {
1392 		/*
1393 		 * Allow key configuration only for STAs that are
1394 		 * known by the hw.
1395 		 */
1396 		if (crypto->wcid > WCID_END)
1397 			return -ENOSPC;
1398 		key->hw_key_idx = crypto->wcid;
1399 
1400 		memcpy(key_entry.key, crypto->key,
1401 		       sizeof(key_entry.key));
1402 		memcpy(key_entry.tx_mic, crypto->tx_mic,
1403 		       sizeof(key_entry.tx_mic));
1404 		memcpy(key_entry.rx_mic, crypto->rx_mic,
1405 		       sizeof(key_entry.rx_mic));
1406 
1407 		offset = PAIRWISE_KEY_ENTRY(key->hw_key_idx);
1408 		rt2800_register_multiwrite(rt2x00dev, offset,
1409 					      &key_entry, sizeof(key_entry));
1410 	}
1411 
1412 	/*
1413 	 * Update WCID information
1414 	 */
1415 	rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
1416 
1417 	return 0;
1418 }
1419 EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key);
1420 
rt2800_sta_add(struct rt2x00_dev * rt2x00dev,struct ieee80211_vif * vif,struct ieee80211_sta * sta)1421 int rt2800_sta_add(struct rt2x00_dev *rt2x00dev, struct ieee80211_vif *vif,
1422 		   struct ieee80211_sta *sta)
1423 {
1424 	int wcid;
1425 	struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta);
1426 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
1427 
1428 	/*
1429 	 * Search for the first free WCID entry and return the corresponding
1430 	 * index.
1431 	 */
1432 	wcid = find_first_zero_bit(drv_data->sta_ids, STA_IDS_SIZE) + WCID_START;
1433 
1434 	/*
1435 	 * Store selected wcid even if it is invalid so that we can
1436 	 * later decide if the STA is uploaded into the hw.
1437 	 */
1438 	sta_priv->wcid = wcid;
1439 
1440 	/*
1441 	 * No space left in the device, however, we can still communicate
1442 	 * with the STA -> No error.
1443 	 */
1444 	if (wcid > WCID_END)
1445 		return 0;
1446 
1447 	__set_bit(wcid - WCID_START, drv_data->sta_ids);
1448 
1449 	/*
1450 	 * Clean up WCID attributes and write STA address to the device.
1451 	 */
1452 	rt2800_delete_wcid_attr(rt2x00dev, wcid);
1453 	rt2800_config_wcid(rt2x00dev, sta->addr, wcid);
1454 	rt2800_config_wcid_attr_bssidx(rt2x00dev, wcid,
1455 				       rt2x00lib_get_bssidx(rt2x00dev, vif));
1456 	return 0;
1457 }
1458 EXPORT_SYMBOL_GPL(rt2800_sta_add);
1459 
rt2800_sta_remove(struct rt2x00_dev * rt2x00dev,int wcid)1460 int rt2800_sta_remove(struct rt2x00_dev *rt2x00dev, int wcid)
1461 {
1462 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
1463 
1464 	if (wcid > WCID_END)
1465 		return 0;
1466 	/*
1467 	 * Remove WCID entry, no need to clean the attributes as they will
1468 	 * get renewed when the WCID is reused.
1469 	 */
1470 	rt2800_config_wcid(rt2x00dev, NULL, wcid);
1471 	__clear_bit(wcid - WCID_START, drv_data->sta_ids);
1472 
1473 	return 0;
1474 }
1475 EXPORT_SYMBOL_GPL(rt2800_sta_remove);
1476 
rt2800_config_filter(struct rt2x00_dev * rt2x00dev,const unsigned int filter_flags)1477 void rt2800_config_filter(struct rt2x00_dev *rt2x00dev,
1478 			  const unsigned int filter_flags)
1479 {
1480 	u32 reg;
1481 
1482 	/*
1483 	 * Start configuration steps.
1484 	 * Note that the version error will always be dropped
1485 	 * and broadcast frames will always be accepted since
1486 	 * there is no filter for it at this time.
1487 	 */
1488 	rt2800_register_read(rt2x00dev, RX_FILTER_CFG, &reg);
1489 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CRC_ERROR,
1490 			   !(filter_flags & FIF_FCSFAIL));
1491 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PHY_ERROR,
1492 			   !(filter_flags & FIF_PLCPFAIL));
1493 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_TO_ME, 1);
1494 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_NOT_MY_BSSD, 0);
1495 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_VER_ERROR, 1);
1496 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_MULTICAST,
1497 			   !(filter_flags & FIF_ALLMULTI));
1498 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BROADCAST, 0);
1499 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_DUPLICATE, 1);
1500 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END_ACK,
1501 			   !(filter_flags & FIF_CONTROL));
1502 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CF_END,
1503 			   !(filter_flags & FIF_CONTROL));
1504 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_ACK,
1505 			   !(filter_flags & FIF_CONTROL));
1506 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CTS,
1507 			   !(filter_flags & FIF_CONTROL));
1508 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_RTS,
1509 			   !(filter_flags & FIF_CONTROL));
1510 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_PSPOLL,
1511 			   !(filter_flags & FIF_PSPOLL));
1512 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BA, 0);
1513 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_BAR,
1514 			   !(filter_flags & FIF_CONTROL));
1515 	rt2x00_set_field32(&reg, RX_FILTER_CFG_DROP_CNTL,
1516 			   !(filter_flags & FIF_CONTROL));
1517 	rt2800_register_write(rt2x00dev, RX_FILTER_CFG, reg);
1518 }
1519 EXPORT_SYMBOL_GPL(rt2800_config_filter);
1520 
rt2800_config_intf(struct rt2x00_dev * rt2x00dev,struct rt2x00_intf * intf,struct rt2x00intf_conf * conf,const unsigned int flags)1521 void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf,
1522 			struct rt2x00intf_conf *conf, const unsigned int flags)
1523 {
1524 	u32 reg;
1525 	bool update_bssid = false;
1526 
1527 	if (flags & CONFIG_UPDATE_TYPE) {
1528 		/*
1529 		 * Enable synchronisation.
1530 		 */
1531 		rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1532 		rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, conf->sync);
1533 		rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1534 
1535 		if (conf->sync == TSF_SYNC_AP_NONE) {
1536 			/*
1537 			 * Tune beacon queue transmit parameters for AP mode
1538 			 */
1539 			rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, &reg);
1540 			rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_CWMIN, 0);
1541 			rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_AIFSN, 1);
1542 			rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1543 			rt2x00_set_field32(&reg, TBTT_SYNC_CFG_TBTT_ADJUST, 0);
1544 			rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1545 		} else {
1546 			rt2800_register_read(rt2x00dev, TBTT_SYNC_CFG, &reg);
1547 			rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_CWMIN, 4);
1548 			rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_AIFSN, 2);
1549 			rt2x00_set_field32(&reg, TBTT_SYNC_CFG_BCN_EXP_WIN, 32);
1550 			rt2x00_set_field32(&reg, TBTT_SYNC_CFG_TBTT_ADJUST, 16);
1551 			rt2800_register_write(rt2x00dev, TBTT_SYNC_CFG, reg);
1552 		}
1553 	}
1554 
1555 	if (flags & CONFIG_UPDATE_MAC) {
1556 		if (flags & CONFIG_UPDATE_TYPE &&
1557 		    conf->sync == TSF_SYNC_AP_NONE) {
1558 			/*
1559 			 * The BSSID register has to be set to our own mac
1560 			 * address in AP mode.
1561 			 */
1562 			memcpy(conf->bssid, conf->mac, sizeof(conf->mac));
1563 			update_bssid = true;
1564 		}
1565 
1566 		if (!is_zero_ether_addr((const u8 *)conf->mac)) {
1567 			reg = le32_to_cpu(conf->mac[1]);
1568 			rt2x00_set_field32(&reg, MAC_ADDR_DW1_UNICAST_TO_ME_MASK, 0xff);
1569 			conf->mac[1] = cpu_to_le32(reg);
1570 		}
1571 
1572 		rt2800_register_multiwrite(rt2x00dev, MAC_ADDR_DW0,
1573 					      conf->mac, sizeof(conf->mac));
1574 	}
1575 
1576 	if ((flags & CONFIG_UPDATE_BSSID) || update_bssid) {
1577 		if (!is_zero_ether_addr((const u8 *)conf->bssid)) {
1578 			reg = le32_to_cpu(conf->bssid[1]);
1579 			rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_ID_MASK, 3);
1580 			rt2x00_set_field32(&reg, MAC_BSSID_DW1_BSS_BCN_NUM, 0);
1581 			conf->bssid[1] = cpu_to_le32(reg);
1582 		}
1583 
1584 		rt2800_register_multiwrite(rt2x00dev, MAC_BSSID_DW0,
1585 					      conf->bssid, sizeof(conf->bssid));
1586 	}
1587 }
1588 EXPORT_SYMBOL_GPL(rt2800_config_intf);
1589 
rt2800_config_ht_opmode(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_erp * erp)1590 static void rt2800_config_ht_opmode(struct rt2x00_dev *rt2x00dev,
1591 				    struct rt2x00lib_erp *erp)
1592 {
1593 	bool any_sta_nongf = !!(erp->ht_opmode &
1594 				IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
1595 	u8 protection = erp->ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION;
1596 	u8 mm20_mode, mm40_mode, gf20_mode, gf40_mode;
1597 	u16 mm20_rate, mm40_rate, gf20_rate, gf40_rate;
1598 	u32 reg;
1599 
1600 	/* default protection rate for HT20: OFDM 24M */
1601 	mm20_rate = gf20_rate = 0x4004;
1602 
1603 	/* default protection rate for HT40: duplicate OFDM 24M */
1604 	mm40_rate = gf40_rate = 0x4084;
1605 
1606 	switch (protection) {
1607 	case IEEE80211_HT_OP_MODE_PROTECTION_NONE:
1608 		/*
1609 		 * All STAs in this BSS are HT20/40 but there might be
1610 		 * STAs not supporting greenfield mode.
1611 		 * => Disable protection for HT transmissions.
1612 		 */
1613 		mm20_mode = mm40_mode = gf20_mode = gf40_mode = 0;
1614 
1615 		break;
1616 	case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ:
1617 		/*
1618 		 * All STAs in this BSS are HT20 or HT20/40 but there
1619 		 * might be STAs not supporting greenfield mode.
1620 		 * => Protect all HT40 transmissions.
1621 		 */
1622 		mm20_mode = gf20_mode = 0;
1623 		mm40_mode = gf40_mode = 2;
1624 
1625 		break;
1626 	case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER:
1627 		/*
1628 		 * Nonmember protection:
1629 		 * According to 802.11n we _should_ protect all
1630 		 * HT transmissions (but we don't have to).
1631 		 *
1632 		 * But if cts_protection is enabled we _shall_ protect
1633 		 * all HT transmissions using a CCK rate.
1634 		 *
1635 		 * And if any station is non GF we _shall_ protect
1636 		 * GF transmissions.
1637 		 *
1638 		 * We decide to protect everything
1639 		 * -> fall through to mixed mode.
1640 		 */
1641 	case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED:
1642 		/*
1643 		 * Legacy STAs are present
1644 		 * => Protect all HT transmissions.
1645 		 */
1646 		mm20_mode = mm40_mode = gf20_mode = gf40_mode = 2;
1647 
1648 		/*
1649 		 * If erp protection is needed we have to protect HT
1650 		 * transmissions with CCK 11M long preamble.
1651 		 */
1652 		if (erp->cts_protection) {
1653 			/* don't duplicate RTS/CTS in CCK mode */
1654 			mm20_rate = mm40_rate = 0x0003;
1655 			gf20_rate = gf40_rate = 0x0003;
1656 		}
1657 		break;
1658 	}
1659 
1660 	/* check for STAs not supporting greenfield mode */
1661 	if (any_sta_nongf)
1662 		gf20_mode = gf40_mode = 2;
1663 
1664 	/* Update HT protection config */
1665 	rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
1666 	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, mm20_rate);
1667 	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, mm20_mode);
1668 	rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
1669 
1670 	rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
1671 	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, mm40_rate);
1672 	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, mm40_mode);
1673 	rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
1674 
1675 	rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
1676 	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, gf20_rate);
1677 	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, gf20_mode);
1678 	rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
1679 
1680 	rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
1681 	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, gf40_rate);
1682 	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, gf40_mode);
1683 	rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
1684 }
1685 
rt2800_config_erp(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_erp * erp,u32 changed)1686 void rt2800_config_erp(struct rt2x00_dev *rt2x00dev, struct rt2x00lib_erp *erp,
1687 		       u32 changed)
1688 {
1689 	u32 reg;
1690 
1691 	if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1692 		rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
1693 		rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY,
1694 				   !!erp->short_preamble);
1695 		rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE,
1696 				   !!erp->short_preamble);
1697 		rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
1698 	}
1699 
1700 	if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1701 		rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
1702 		rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL,
1703 				   erp->cts_protection ? 2 : 0);
1704 		rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
1705 	}
1706 
1707 	if (changed & BSS_CHANGED_BASIC_RATES) {
1708 		rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE,
1709 					 erp->basic_rates);
1710 		rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
1711 	}
1712 
1713 	if (changed & BSS_CHANGED_ERP_SLOT) {
1714 		rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
1715 		rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME,
1716 				   erp->slot_time);
1717 		rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
1718 
1719 		rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
1720 		rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, erp->eifs);
1721 		rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
1722 	}
1723 
1724 	if (changed & BSS_CHANGED_BEACON_INT) {
1725 		rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
1726 		rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL,
1727 				   erp->beacon_int * 16);
1728 		rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
1729 	}
1730 
1731 	if (changed & BSS_CHANGED_HT)
1732 		rt2800_config_ht_opmode(rt2x00dev, erp);
1733 }
1734 EXPORT_SYMBOL_GPL(rt2800_config_erp);
1735 
rt2800_config_3572bt_ant(struct rt2x00_dev * rt2x00dev)1736 static void rt2800_config_3572bt_ant(struct rt2x00_dev *rt2x00dev)
1737 {
1738 	u32 reg;
1739 	u16 eeprom;
1740 	u8 led_ctrl, led_g_mode, led_r_mode;
1741 
1742 	rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
1743 	if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
1744 		rt2x00_set_field32(&reg, GPIO_SWITCH_0, 1);
1745 		rt2x00_set_field32(&reg, GPIO_SWITCH_1, 1);
1746 	} else {
1747 		rt2x00_set_field32(&reg, GPIO_SWITCH_0, 0);
1748 		rt2x00_set_field32(&reg, GPIO_SWITCH_1, 0);
1749 	}
1750 	rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
1751 
1752 	rt2800_register_read(rt2x00dev, LED_CFG, &reg);
1753 	led_g_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 3 : 0;
1754 	led_r_mode = rt2x00_get_field32(reg, LED_CFG_LED_POLAR) ? 0 : 3;
1755 	if (led_g_mode != rt2x00_get_field32(reg, LED_CFG_G_LED_MODE) ||
1756 	    led_r_mode != rt2x00_get_field32(reg, LED_CFG_R_LED_MODE)) {
1757 		rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
1758 		led_ctrl = rt2x00_get_field16(eeprom, EEPROM_FREQ_LED_MODE);
1759 		if (led_ctrl == 0 || led_ctrl > 0x40) {
1760 			rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, led_g_mode);
1761 			rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, led_r_mode);
1762 			rt2800_register_write(rt2x00dev, LED_CFG, reg);
1763 		} else {
1764 			rt2800_mcu_request(rt2x00dev, MCU_BAND_SELECT, 0xff,
1765 					   (led_g_mode << 2) | led_r_mode, 1);
1766 		}
1767 	}
1768 }
1769 
rt2800_set_ant_diversity(struct rt2x00_dev * rt2x00dev,enum antenna ant)1770 static void rt2800_set_ant_diversity(struct rt2x00_dev *rt2x00dev,
1771 				     enum antenna ant)
1772 {
1773 	u32 reg;
1774 	u8 eesk_pin = (ant == ANTENNA_A) ? 1 : 0;
1775 	u8 gpio_bit3 = (ant == ANTENNA_A) ? 0 : 1;
1776 
1777 	if (rt2x00_is_pci(rt2x00dev)) {
1778 		rt2800_register_read(rt2x00dev, E2PROM_CSR, &reg);
1779 		rt2x00_set_field32(&reg, E2PROM_CSR_DATA_CLOCK, eesk_pin);
1780 		rt2800_register_write(rt2x00dev, E2PROM_CSR, reg);
1781 	} else if (rt2x00_is_usb(rt2x00dev))
1782 		rt2800_mcu_request(rt2x00dev, MCU_ANT_SELECT, 0xff,
1783 				   eesk_pin, 0);
1784 
1785 	rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
1786 	rt2x00_set_field32(&reg, GPIO_CTRL_DIR3, 0);
1787 	rt2x00_set_field32(&reg, GPIO_CTRL_VAL3, gpio_bit3);
1788 	rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
1789 }
1790 
rt2800_config_ant(struct rt2x00_dev * rt2x00dev,struct antenna_setup * ant)1791 void rt2800_config_ant(struct rt2x00_dev *rt2x00dev, struct antenna_setup *ant)
1792 {
1793 	u8 r1;
1794 	u8 r3;
1795 	u16 eeprom;
1796 
1797 	rt2800_bbp_read(rt2x00dev, 1, &r1);
1798 	rt2800_bbp_read(rt2x00dev, 3, &r3);
1799 
1800 	if (rt2x00_rt(rt2x00dev, RT3572) &&
1801 	    rt2x00_has_cap_bt_coexist(rt2x00dev))
1802 		rt2800_config_3572bt_ant(rt2x00dev);
1803 
1804 	/*
1805 	 * Configure the TX antenna.
1806 	 */
1807 	switch (ant->tx_chain_num) {
1808 	case 1:
1809 		rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 0);
1810 		break;
1811 	case 2:
1812 		if (rt2x00_rt(rt2x00dev, RT3572) &&
1813 		    rt2x00_has_cap_bt_coexist(rt2x00dev))
1814 			rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 1);
1815 		else
1816 			rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
1817 		break;
1818 	case 3:
1819 		rt2x00_set_field8(&r1, BBP1_TX_ANTENNA, 2);
1820 		break;
1821 	}
1822 
1823 	/*
1824 	 * Configure the RX antenna.
1825 	 */
1826 	switch (ant->rx_chain_num) {
1827 	case 1:
1828 		if (rt2x00_rt(rt2x00dev, RT3070) ||
1829 		    rt2x00_rt(rt2x00dev, RT3090) ||
1830 		    rt2x00_rt(rt2x00dev, RT3352) ||
1831 		    rt2x00_rt(rt2x00dev, RT3390)) {
1832 			rt2800_eeprom_read(rt2x00dev,
1833 					   EEPROM_NIC_CONF1, &eeprom);
1834 			if (rt2x00_get_field16(eeprom,
1835 						EEPROM_NIC_CONF1_ANT_DIVERSITY))
1836 				rt2800_set_ant_diversity(rt2x00dev,
1837 						rt2x00dev->default_ant.rx);
1838 		}
1839 		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 0);
1840 		break;
1841 	case 2:
1842 		if (rt2x00_rt(rt2x00dev, RT3572) &&
1843 		    rt2x00_has_cap_bt_coexist(rt2x00dev)) {
1844 			rt2x00_set_field8(&r3, BBP3_RX_ADC, 1);
1845 			rt2x00_set_field8(&r3, BBP3_RX_ANTENNA,
1846 				rt2x00dev->curr_band == IEEE80211_BAND_5GHZ);
1847 			rt2800_set_ant_diversity(rt2x00dev, ANTENNA_B);
1848 		} else {
1849 			rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 1);
1850 		}
1851 		break;
1852 	case 3:
1853 		rt2x00_set_field8(&r3, BBP3_RX_ANTENNA, 2);
1854 		break;
1855 	}
1856 
1857 	rt2800_bbp_write(rt2x00dev, 3, r3);
1858 	rt2800_bbp_write(rt2x00dev, 1, r1);
1859 
1860 	if (rt2x00_rt(rt2x00dev, RT3593)) {
1861 		if (ant->rx_chain_num == 1)
1862 			rt2800_bbp_write(rt2x00dev, 86, 0x00);
1863 		else
1864 			rt2800_bbp_write(rt2x00dev, 86, 0x46);
1865 	}
1866 }
1867 EXPORT_SYMBOL_GPL(rt2800_config_ant);
1868 
rt2800_config_lna_gain(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_conf * libconf)1869 static void rt2800_config_lna_gain(struct rt2x00_dev *rt2x00dev,
1870 				   struct rt2x00lib_conf *libconf)
1871 {
1872 	u16 eeprom;
1873 	short lna_gain;
1874 
1875 	if (libconf->rf.channel <= 14) {
1876 		rt2800_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
1877 		lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_BG);
1878 	} else if (libconf->rf.channel <= 64) {
1879 		rt2800_eeprom_read(rt2x00dev, EEPROM_LNA, &eeprom);
1880 		lna_gain = rt2x00_get_field16(eeprom, EEPROM_LNA_A0);
1881 	} else if (libconf->rf.channel <= 128) {
1882 		if (rt2x00_rt(rt2x00dev, RT3593)) {
1883 			rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2, &eeprom);
1884 			lna_gain = rt2x00_get_field16(eeprom,
1885 						      EEPROM_EXT_LNA2_A1);
1886 		} else {
1887 			rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &eeprom);
1888 			lna_gain = rt2x00_get_field16(eeprom,
1889 						      EEPROM_RSSI_BG2_LNA_A1);
1890 		}
1891 	} else {
1892 		if (rt2x00_rt(rt2x00dev, RT3593)) {
1893 			rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2, &eeprom);
1894 			lna_gain = rt2x00_get_field16(eeprom,
1895 						      EEPROM_EXT_LNA2_A2);
1896 		} else {
1897 			rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &eeprom);
1898 			lna_gain = rt2x00_get_field16(eeprom,
1899 						      EEPROM_RSSI_A2_LNA_A2);
1900 		}
1901 	}
1902 
1903 	rt2x00dev->lna_gain = lna_gain;
1904 }
1905 
1906 #define FREQ_OFFSET_BOUND	0x5f
1907 
rt2800_adjust_freq_offset(struct rt2x00_dev * rt2x00dev)1908 static void rt2800_adjust_freq_offset(struct rt2x00_dev *rt2x00dev)
1909 {
1910 	u8 freq_offset, prev_freq_offset;
1911 	u8 rfcsr, prev_rfcsr;
1912 
1913 	freq_offset = rt2x00_get_field8(rt2x00dev->freq_offset, RFCSR17_CODE);
1914 	freq_offset = min_t(u8, freq_offset, FREQ_OFFSET_BOUND);
1915 
1916 	rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
1917 	prev_rfcsr = rfcsr;
1918 
1919 	rt2x00_set_field8(&rfcsr, RFCSR17_CODE, freq_offset);
1920 	if (rfcsr == prev_rfcsr)
1921 		return;
1922 
1923 	if (rt2x00_is_usb(rt2x00dev)) {
1924 		rt2800_mcu_request(rt2x00dev, MCU_FREQ_OFFSET, 0xff,
1925 				   freq_offset, prev_rfcsr);
1926 		return;
1927 	}
1928 
1929 	prev_freq_offset = rt2x00_get_field8(prev_rfcsr, RFCSR17_CODE);
1930 	while (prev_freq_offset != freq_offset) {
1931 		if (prev_freq_offset < freq_offset)
1932 			prev_freq_offset++;
1933 		else
1934 			prev_freq_offset--;
1935 
1936 		rt2x00_set_field8(&rfcsr, RFCSR17_CODE, prev_freq_offset);
1937 		rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
1938 
1939 		usleep_range(1000, 1500);
1940 	}
1941 }
1942 
rt2800_config_channel_rf2xxx(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)1943 static void rt2800_config_channel_rf2xxx(struct rt2x00_dev *rt2x00dev,
1944 					 struct ieee80211_conf *conf,
1945 					 struct rf_channel *rf,
1946 					 struct channel_info *info)
1947 {
1948 	rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
1949 
1950 	if (rt2x00dev->default_ant.tx_chain_num == 1)
1951 		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_TX1, 1);
1952 
1953 	if (rt2x00dev->default_ant.rx_chain_num == 1) {
1954 		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX1, 1);
1955 		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
1956 	} else if (rt2x00dev->default_ant.rx_chain_num == 2)
1957 		rt2x00_set_field32(&rf->rf2, RF2_ANTENNA_RX2, 1);
1958 
1959 	if (rf->channel > 14) {
1960 		/*
1961 		 * When TX power is below 0, we should increase it by 7 to
1962 		 * make it a positive value (Minimum value is -7).
1963 		 * However this means that values between 0 and 7 have
1964 		 * double meaning, and we should set a 7DBm boost flag.
1965 		 */
1966 		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A_7DBM_BOOST,
1967 				   (info->default_power1 >= 0));
1968 
1969 		if (info->default_power1 < 0)
1970 			info->default_power1 += 7;
1971 
1972 		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_A, info->default_power1);
1973 
1974 		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A_7DBM_BOOST,
1975 				   (info->default_power2 >= 0));
1976 
1977 		if (info->default_power2 < 0)
1978 			info->default_power2 += 7;
1979 
1980 		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_A, info->default_power2);
1981 	} else {
1982 		rt2x00_set_field32(&rf->rf3, RF3_TXPOWER_G, info->default_power1);
1983 		rt2x00_set_field32(&rf->rf4, RF4_TXPOWER_G, info->default_power2);
1984 	}
1985 
1986 	rt2x00_set_field32(&rf->rf4, RF4_HT40, conf_is_ht40(conf));
1987 
1988 	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1989 	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1990 	rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
1991 	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1992 
1993 	udelay(200);
1994 
1995 	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
1996 	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
1997 	rt2800_rf_write(rt2x00dev, 3, rf->rf3 | 0x00000004);
1998 	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
1999 
2000 	udelay(200);
2001 
2002 	rt2800_rf_write(rt2x00dev, 1, rf->rf1);
2003 	rt2800_rf_write(rt2x00dev, 2, rf->rf2);
2004 	rt2800_rf_write(rt2x00dev, 3, rf->rf3 & ~0x00000004);
2005 	rt2800_rf_write(rt2x00dev, 4, rf->rf4);
2006 }
2007 
rt2800_config_channel_rf3xxx(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2008 static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev,
2009 					 struct ieee80211_conf *conf,
2010 					 struct rf_channel *rf,
2011 					 struct channel_info *info)
2012 {
2013 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
2014 	u8 rfcsr, calib_tx, calib_rx;
2015 
2016 	rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
2017 
2018 	rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
2019 	rt2x00_set_field8(&rfcsr, RFCSR3_K, rf->rf3);
2020 	rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2021 
2022 	rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
2023 	rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
2024 	rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
2025 
2026 	rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
2027 	rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER, info->default_power1);
2028 	rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
2029 
2030 	rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
2031 	rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER, info->default_power2);
2032 	rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
2033 
2034 	rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2035 	rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
2036 	rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD,
2037 			  rt2x00dev->default_ant.rx_chain_num <= 1);
2038 	rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD,
2039 			  rt2x00dev->default_ant.rx_chain_num <= 2);
2040 	rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
2041 	rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD,
2042 			  rt2x00dev->default_ant.tx_chain_num <= 1);
2043 	rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD,
2044 			  rt2x00dev->default_ant.tx_chain_num <= 2);
2045 	rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2046 
2047 	rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
2048 	rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
2049 	rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
2050 
2051 	if (rt2x00_rt(rt2x00dev, RT3390)) {
2052 		calib_tx = conf_is_ht40(conf) ? 0x68 : 0x4f;
2053 		calib_rx = conf_is_ht40(conf) ? 0x6f : 0x4f;
2054 	} else {
2055 		if (conf_is_ht40(conf)) {
2056 			calib_tx = drv_data->calibration_bw40;
2057 			calib_rx = drv_data->calibration_bw40;
2058 		} else {
2059 			calib_tx = drv_data->calibration_bw20;
2060 			calib_rx = drv_data->calibration_bw20;
2061 		}
2062 	}
2063 
2064 	rt2800_rfcsr_read(rt2x00dev, 24, &rfcsr);
2065 	rt2x00_set_field8(&rfcsr, RFCSR24_TX_CALIB, calib_tx);
2066 	rt2800_rfcsr_write(rt2x00dev, 24, rfcsr);
2067 
2068 	rt2800_rfcsr_read(rt2x00dev, 31, &rfcsr);
2069 	rt2x00_set_field8(&rfcsr, RFCSR31_RX_CALIB, calib_rx);
2070 	rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
2071 
2072 	rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
2073 	rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
2074 	rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
2075 
2076 	rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
2077 	rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
2078 	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2079 	msleep(1);
2080 	rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
2081 	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2082 }
2083 
rt2800_config_channel_rf3052(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2084 static void rt2800_config_channel_rf3052(struct rt2x00_dev *rt2x00dev,
2085 					 struct ieee80211_conf *conf,
2086 					 struct rf_channel *rf,
2087 					 struct channel_info *info)
2088 {
2089 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
2090 	u8 rfcsr;
2091 	u32 reg;
2092 
2093 	if (rf->channel <= 14) {
2094 		rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25);
2095 		rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26);
2096 	} else {
2097 		rt2800_bbp_write(rt2x00dev, 25, 0x09);
2098 		rt2800_bbp_write(rt2x00dev, 26, 0xff);
2099 	}
2100 
2101 	rt2800_rfcsr_write(rt2x00dev, 2, rf->rf1);
2102 	rt2800_rfcsr_write(rt2x00dev, 3, rf->rf3);
2103 
2104 	rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
2105 	rt2x00_set_field8(&rfcsr, RFCSR6_R1, rf->rf2);
2106 	if (rf->channel <= 14)
2107 		rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 2);
2108 	else
2109 		rt2x00_set_field8(&rfcsr, RFCSR6_TXDIV, 1);
2110 	rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
2111 
2112 	rt2800_rfcsr_read(rt2x00dev, 5, &rfcsr);
2113 	if (rf->channel <= 14)
2114 		rt2x00_set_field8(&rfcsr, RFCSR5_R1, 1);
2115 	else
2116 		rt2x00_set_field8(&rfcsr, RFCSR5_R1, 2);
2117 	rt2800_rfcsr_write(rt2x00dev, 5, rfcsr);
2118 
2119 	rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
2120 	if (rf->channel <= 14) {
2121 		rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 3);
2122 		rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
2123 				  info->default_power1);
2124 	} else {
2125 		rt2x00_set_field8(&rfcsr, RFCSR12_DR0, 7);
2126 		rt2x00_set_field8(&rfcsr, RFCSR12_TX_POWER,
2127 				(info->default_power1 & 0x3) |
2128 				((info->default_power1 & 0xC) << 1));
2129 	}
2130 	rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
2131 
2132 	rt2800_rfcsr_read(rt2x00dev, 13, &rfcsr);
2133 	if (rf->channel <= 14) {
2134 		rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 3);
2135 		rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
2136 				  info->default_power2);
2137 	} else {
2138 		rt2x00_set_field8(&rfcsr, RFCSR13_DR0, 7);
2139 		rt2x00_set_field8(&rfcsr, RFCSR13_TX_POWER,
2140 				(info->default_power2 & 0x3) |
2141 				((info->default_power2 & 0xC) << 1));
2142 	}
2143 	rt2800_rfcsr_write(rt2x00dev, 13, rfcsr);
2144 
2145 	rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2146 	rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
2147 	rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
2148 	rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
2149 	rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
2150 	rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2151 	rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2152 	if (rt2x00_has_cap_bt_coexist(rt2x00dev)) {
2153 		if (rf->channel <= 14) {
2154 			rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2155 			rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2156 		}
2157 		rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
2158 		rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
2159 	} else {
2160 		switch (rt2x00dev->default_ant.tx_chain_num) {
2161 		case 1:
2162 			rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2163 		case 2:
2164 			rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
2165 			break;
2166 		}
2167 
2168 		switch (rt2x00dev->default_ant.rx_chain_num) {
2169 		case 1:
2170 			rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2171 		case 2:
2172 			rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
2173 			break;
2174 		}
2175 	}
2176 	rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2177 
2178 	rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
2179 	rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, rt2x00dev->freq_offset);
2180 	rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
2181 
2182 	if (conf_is_ht40(conf)) {
2183 		rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw40);
2184 		rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw40);
2185 	} else {
2186 		rt2800_rfcsr_write(rt2x00dev, 24, drv_data->calibration_bw20);
2187 		rt2800_rfcsr_write(rt2x00dev, 31, drv_data->calibration_bw20);
2188 	}
2189 
2190 	if (rf->channel <= 14) {
2191 		rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
2192 		rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
2193 		rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
2194 		rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
2195 		rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
2196 		rfcsr = 0x4c;
2197 		rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN,
2198 				  drv_data->txmixer_gain_24g);
2199 		rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
2200 		rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
2201 		rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
2202 		rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
2203 		rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
2204 		rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
2205 		rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
2206 		rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
2207 	} else {
2208 		rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
2209 		rt2x00_set_field8(&rfcsr, RFCSR7_BIT2, 1);
2210 		rt2x00_set_field8(&rfcsr, RFCSR7_BIT3, 0);
2211 		rt2x00_set_field8(&rfcsr, RFCSR7_BIT4, 1);
2212 		rt2x00_set_field8(&rfcsr, RFCSR7_BITS67, 0);
2213 		rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
2214 		rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
2215 		rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
2216 		rt2800_rfcsr_write(rt2x00dev, 11, 0x00);
2217 		rt2800_rfcsr_write(rt2x00dev, 15, 0x43);
2218 		rfcsr = 0x7a;
2219 		rt2x00_set_field8(&rfcsr, RFCSR16_TXMIXER_GAIN,
2220 				  drv_data->txmixer_gain_5g);
2221 		rt2800_rfcsr_write(rt2x00dev, 16, rfcsr);
2222 		rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
2223 		if (rf->channel <= 64) {
2224 			rt2800_rfcsr_write(rt2x00dev, 19, 0xb7);
2225 			rt2800_rfcsr_write(rt2x00dev, 20, 0xf6);
2226 			rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
2227 		} else if (rf->channel <= 128) {
2228 			rt2800_rfcsr_write(rt2x00dev, 19, 0x74);
2229 			rt2800_rfcsr_write(rt2x00dev, 20, 0xf4);
2230 			rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
2231 		} else {
2232 			rt2800_rfcsr_write(rt2x00dev, 19, 0x72);
2233 			rt2800_rfcsr_write(rt2x00dev, 20, 0xf3);
2234 			rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
2235 		}
2236 		rt2800_rfcsr_write(rt2x00dev, 26, 0x87);
2237 		rt2800_rfcsr_write(rt2x00dev, 27, 0x01);
2238 		rt2800_rfcsr_write(rt2x00dev, 29, 0x9f);
2239 	}
2240 
2241 	rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
2242 	rt2x00_set_field32(&reg, GPIO_CTRL_DIR7, 0);
2243 	if (rf->channel <= 14)
2244 		rt2x00_set_field32(&reg, GPIO_CTRL_VAL7, 1);
2245 	else
2246 		rt2x00_set_field32(&reg, GPIO_CTRL_VAL7, 0);
2247 	rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
2248 
2249 	rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
2250 	rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
2251 	rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
2252 }
2253 
rt2800_config_channel_rf3053(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2254 static void rt2800_config_channel_rf3053(struct rt2x00_dev *rt2x00dev,
2255 					 struct ieee80211_conf *conf,
2256 					 struct rf_channel *rf,
2257 					 struct channel_info *info)
2258 {
2259 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
2260 	u8 txrx_agc_fc;
2261 	u8 txrx_h20m;
2262 	u8 rfcsr;
2263 	u8 bbp;
2264 	const bool txbf_enabled = false; /* TODO */
2265 
2266 	/* TODO: use TX{0,1,2}FinePowerControl values from EEPROM */
2267 	rt2800_bbp_read(rt2x00dev, 109, &bbp);
2268 	rt2x00_set_field8(&bbp, BBP109_TX0_POWER, 0);
2269 	rt2x00_set_field8(&bbp, BBP109_TX1_POWER, 0);
2270 	rt2800_bbp_write(rt2x00dev, 109, bbp);
2271 
2272 	rt2800_bbp_read(rt2x00dev, 110, &bbp);
2273 	rt2x00_set_field8(&bbp, BBP110_TX2_POWER, 0);
2274 	rt2800_bbp_write(rt2x00dev, 110, bbp);
2275 
2276 	if (rf->channel <= 14) {
2277 		/* Restore BBP 25 & 26 for 2.4 GHz */
2278 		rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25);
2279 		rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26);
2280 	} else {
2281 		/* Hard code BBP 25 & 26 for 5GHz */
2282 
2283 		/* Enable IQ Phase correction */
2284 		rt2800_bbp_write(rt2x00dev, 25, 0x09);
2285 		/* Setup IQ Phase correction value */
2286 		rt2800_bbp_write(rt2x00dev, 26, 0xff);
2287 	}
2288 
2289 	rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2290 	rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3 & 0xf);
2291 
2292 	rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2293 	rt2x00_set_field8(&rfcsr, RFCSR11_R, (rf->rf2 & 0x3));
2294 	rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2295 
2296 	rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2297 	rt2x00_set_field8(&rfcsr, RFCSR11_PLL_IDOH, 1);
2298 	if (rf->channel <= 14)
2299 		rt2x00_set_field8(&rfcsr, RFCSR11_PLL_MOD, 1);
2300 	else
2301 		rt2x00_set_field8(&rfcsr, RFCSR11_PLL_MOD, 2);
2302 	rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2303 
2304 	rt2800_rfcsr_read(rt2x00dev, 53, &rfcsr);
2305 	if (rf->channel <= 14) {
2306 		rfcsr = 0;
2307 		rt2x00_set_field8(&rfcsr, RFCSR53_TX_POWER,
2308 				  info->default_power1 & 0x1f);
2309 	} else {
2310 		if (rt2x00_is_usb(rt2x00dev))
2311 			rfcsr = 0x40;
2312 
2313 		rt2x00_set_field8(&rfcsr, RFCSR53_TX_POWER,
2314 				  ((info->default_power1 & 0x18) << 1) |
2315 				  (info->default_power1 & 7));
2316 	}
2317 	rt2800_rfcsr_write(rt2x00dev, 53, rfcsr);
2318 
2319 	rt2800_rfcsr_read(rt2x00dev, 55, &rfcsr);
2320 	if (rf->channel <= 14) {
2321 		rfcsr = 0;
2322 		rt2x00_set_field8(&rfcsr, RFCSR55_TX_POWER,
2323 				  info->default_power2 & 0x1f);
2324 	} else {
2325 		if (rt2x00_is_usb(rt2x00dev))
2326 			rfcsr = 0x40;
2327 
2328 		rt2x00_set_field8(&rfcsr, RFCSR55_TX_POWER,
2329 				  ((info->default_power2 & 0x18) << 1) |
2330 				  (info->default_power2 & 7));
2331 	}
2332 	rt2800_rfcsr_write(rt2x00dev, 55, rfcsr);
2333 
2334 	rt2800_rfcsr_read(rt2x00dev, 54, &rfcsr);
2335 	if (rf->channel <= 14) {
2336 		rfcsr = 0;
2337 		rt2x00_set_field8(&rfcsr, RFCSR54_TX_POWER,
2338 				  info->default_power3 & 0x1f);
2339 	} else {
2340 		if (rt2x00_is_usb(rt2x00dev))
2341 			rfcsr = 0x40;
2342 
2343 		rt2x00_set_field8(&rfcsr, RFCSR54_TX_POWER,
2344 				  ((info->default_power3 & 0x18) << 1) |
2345 				  (info->default_power3 & 7));
2346 	}
2347 	rt2800_rfcsr_write(rt2x00dev, 54, rfcsr);
2348 
2349 	rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2350 	rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
2351 	rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
2352 	rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
2353 	rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
2354 	rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2355 	rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2356 	rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
2357 	rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
2358 
2359 	switch (rt2x00dev->default_ant.tx_chain_num) {
2360 	case 3:
2361 		rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
2362 		/* fallthrough */
2363 	case 2:
2364 		rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2365 		/* fallthrough */
2366 	case 1:
2367 		rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2368 		break;
2369 	}
2370 
2371 	switch (rt2x00dev->default_ant.rx_chain_num) {
2372 	case 3:
2373 		rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
2374 		/* fallthrough */
2375 	case 2:
2376 		rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2377 		/* fallthrough */
2378 	case 1:
2379 		rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2380 		break;
2381 	}
2382 	rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2383 
2384 	rt2800_adjust_freq_offset(rt2x00dev);
2385 
2386 	if (conf_is_ht40(conf)) {
2387 		txrx_agc_fc = rt2x00_get_field8(drv_data->calibration_bw40,
2388 						RFCSR24_TX_AGC_FC);
2389 		txrx_h20m = rt2x00_get_field8(drv_data->calibration_bw40,
2390 					      RFCSR24_TX_H20M);
2391 	} else {
2392 		txrx_agc_fc = rt2x00_get_field8(drv_data->calibration_bw20,
2393 						RFCSR24_TX_AGC_FC);
2394 		txrx_h20m = rt2x00_get_field8(drv_data->calibration_bw20,
2395 					      RFCSR24_TX_H20M);
2396 	}
2397 
2398 	/* NOTE: the reference driver does not writes the new value
2399 	 * back to RFCSR 32
2400 	 */
2401 	rt2800_rfcsr_read(rt2x00dev, 32, &rfcsr);
2402 	rt2x00_set_field8(&rfcsr, RFCSR32_TX_AGC_FC, txrx_agc_fc);
2403 
2404 	if (rf->channel <= 14)
2405 		rfcsr = 0xa0;
2406 	else
2407 		rfcsr = 0x80;
2408 	rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
2409 
2410 	rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
2411 	rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M, txrx_h20m);
2412 	rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M, txrx_h20m);
2413 	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2414 
2415 	/* Band selection */
2416 	rt2800_rfcsr_read(rt2x00dev, 36, &rfcsr);
2417 	if (rf->channel <= 14)
2418 		rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 1);
2419 	else
2420 		rt2x00_set_field8(&rfcsr, RFCSR36_RF_BS, 0);
2421 	rt2800_rfcsr_write(rt2x00dev, 36, rfcsr);
2422 
2423 	rt2800_rfcsr_read(rt2x00dev, 34, &rfcsr);
2424 	if (rf->channel <= 14)
2425 		rfcsr = 0x3c;
2426 	else
2427 		rfcsr = 0x20;
2428 	rt2800_rfcsr_write(rt2x00dev, 34, rfcsr);
2429 
2430 	rt2800_rfcsr_read(rt2x00dev, 12, &rfcsr);
2431 	if (rf->channel <= 14)
2432 		rfcsr = 0x1a;
2433 	else
2434 		rfcsr = 0x12;
2435 	rt2800_rfcsr_write(rt2x00dev, 12, rfcsr);
2436 
2437 	rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
2438 	if (rf->channel >= 1 && rf->channel <= 14)
2439 		rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 1);
2440 	else if (rf->channel >= 36 && rf->channel <= 64)
2441 		rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 2);
2442 	else if (rf->channel >= 100 && rf->channel <= 128)
2443 		rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 2);
2444 	else
2445 		rt2x00_set_field8(&rfcsr, RFCSR6_VCO_IC, 1);
2446 	rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
2447 
2448 	rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
2449 	rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2);
2450 	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
2451 
2452 	rt2800_rfcsr_write(rt2x00dev, 46, 0x60);
2453 
2454 	if (rf->channel <= 14) {
2455 		rt2800_rfcsr_write(rt2x00dev, 10, 0xd3);
2456 		rt2800_rfcsr_write(rt2x00dev, 13, 0x12);
2457 	} else {
2458 		rt2800_rfcsr_write(rt2x00dev, 10, 0xd8);
2459 		rt2800_rfcsr_write(rt2x00dev, 13, 0x23);
2460 	}
2461 
2462 	rt2800_rfcsr_read(rt2x00dev, 51, &rfcsr);
2463 	rt2x00_set_field8(&rfcsr, RFCSR51_BITS01, 1);
2464 	rt2800_rfcsr_write(rt2x00dev, 51, rfcsr);
2465 
2466 	rt2800_rfcsr_read(rt2x00dev, 51, &rfcsr);
2467 	if (rf->channel <= 14) {
2468 		rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, 5);
2469 		rt2x00_set_field8(&rfcsr, RFCSR51_BITS57, 3);
2470 	} else {
2471 		rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, 4);
2472 		rt2x00_set_field8(&rfcsr, RFCSR51_BITS57, 2);
2473 	}
2474 	rt2800_rfcsr_write(rt2x00dev, 51, rfcsr);
2475 
2476 	rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
2477 	if (rf->channel <= 14)
2478 		rt2x00_set_field8(&rfcsr, RFCSR49_TX_LO1_IC, 3);
2479 	else
2480 		rt2x00_set_field8(&rfcsr, RFCSR49_TX_LO1_IC, 2);
2481 
2482 	if (txbf_enabled)
2483 		rt2x00_set_field8(&rfcsr, RFCSR49_TX_DIV, 1);
2484 
2485 	rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2486 
2487 	rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr);
2488 	rt2x00_set_field8(&rfcsr, RFCSR50_TX_LO1_EN, 0);
2489 	rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
2490 
2491 	rt2800_rfcsr_read(rt2x00dev, 57, &rfcsr);
2492 	if (rf->channel <= 14)
2493 		rt2x00_set_field8(&rfcsr, RFCSR57_DRV_CC, 0x1b);
2494 	else
2495 		rt2x00_set_field8(&rfcsr, RFCSR57_DRV_CC, 0x0f);
2496 	rt2800_rfcsr_write(rt2x00dev, 57, rfcsr);
2497 
2498 	if (rf->channel <= 14) {
2499 		rt2800_rfcsr_write(rt2x00dev, 44, 0x93);
2500 		rt2800_rfcsr_write(rt2x00dev, 52, 0x45);
2501 	} else {
2502 		rt2800_rfcsr_write(rt2x00dev, 44, 0x9b);
2503 		rt2800_rfcsr_write(rt2x00dev, 52, 0x05);
2504 	}
2505 
2506 	/* Initiate VCO calibration */
2507 	rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
2508 	if (rf->channel <= 14) {
2509 		rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
2510 	} else {
2511 		rt2x00_set_field8(&rfcsr, RFCSR3_BIT1, 1);
2512 		rt2x00_set_field8(&rfcsr, RFCSR3_BIT2, 1);
2513 		rt2x00_set_field8(&rfcsr, RFCSR3_BIT3, 1);
2514 		rt2x00_set_field8(&rfcsr, RFCSR3_BIT4, 1);
2515 		rt2x00_set_field8(&rfcsr, RFCSR3_BIT5, 1);
2516 		rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
2517 	}
2518 	rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2519 
2520 	if (rf->channel >= 1 && rf->channel <= 14) {
2521 		rfcsr = 0x23;
2522 		if (txbf_enabled)
2523 			rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1);
2524 		rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
2525 
2526 		rt2800_rfcsr_write(rt2x00dev, 45, 0xbb);
2527 	} else if (rf->channel >= 36 && rf->channel <= 64) {
2528 		rfcsr = 0x36;
2529 		if (txbf_enabled)
2530 			rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1);
2531 		rt2800_rfcsr_write(rt2x00dev, 39, 0x36);
2532 
2533 		rt2800_rfcsr_write(rt2x00dev, 45, 0xeb);
2534 	} else if (rf->channel >= 100 && rf->channel <= 128) {
2535 		rfcsr = 0x32;
2536 		if (txbf_enabled)
2537 			rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1);
2538 		rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
2539 
2540 		rt2800_rfcsr_write(rt2x00dev, 45, 0xb3);
2541 	} else {
2542 		rfcsr = 0x30;
2543 		if (txbf_enabled)
2544 			rt2x00_set_field8(&rfcsr, RFCSR39_RX_DIV, 1);
2545 		rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
2546 
2547 		rt2800_rfcsr_write(rt2x00dev, 45, 0x9b);
2548 	}
2549 }
2550 
2551 #define POWER_BOUND		0x27
2552 #define POWER_BOUND_5G		0x2b
2553 
rt2800_config_channel_rf3290(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2554 static void rt2800_config_channel_rf3290(struct rt2x00_dev *rt2x00dev,
2555 					 struct ieee80211_conf *conf,
2556 					 struct rf_channel *rf,
2557 					 struct channel_info *info)
2558 {
2559 	u8 rfcsr;
2560 
2561 	rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2562 	rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2563 	rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2564 	rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2);
2565 	rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2566 
2567 	rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
2568 	if (info->default_power1 > POWER_BOUND)
2569 		rt2x00_set_field8(&rfcsr, RFCSR49_TX, POWER_BOUND);
2570 	else
2571 		rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
2572 	rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2573 
2574 	rt2800_adjust_freq_offset(rt2x00dev);
2575 
2576 	if (rf->channel <= 14) {
2577 		if (rf->channel == 6)
2578 			rt2800_bbp_write(rt2x00dev, 68, 0x0c);
2579 		else
2580 			rt2800_bbp_write(rt2x00dev, 68, 0x0b);
2581 
2582 		if (rf->channel >= 1 && rf->channel <= 6)
2583 			rt2800_bbp_write(rt2x00dev, 59, 0x0f);
2584 		else if (rf->channel >= 7 && rf->channel <= 11)
2585 			rt2800_bbp_write(rt2x00dev, 59, 0x0e);
2586 		else if (rf->channel >= 12 && rf->channel <= 14)
2587 			rt2800_bbp_write(rt2x00dev, 59, 0x0d);
2588 	}
2589 }
2590 
rt2800_config_channel_rf3322(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2591 static void rt2800_config_channel_rf3322(struct rt2x00_dev *rt2x00dev,
2592 					 struct ieee80211_conf *conf,
2593 					 struct rf_channel *rf,
2594 					 struct channel_info *info)
2595 {
2596 	u8 rfcsr;
2597 
2598 	rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2599 	rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2600 
2601 	rt2800_rfcsr_write(rt2x00dev, 11, 0x42);
2602 	rt2800_rfcsr_write(rt2x00dev, 12, 0x1c);
2603 	rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
2604 
2605 	if (info->default_power1 > POWER_BOUND)
2606 		rt2800_rfcsr_write(rt2x00dev, 47, POWER_BOUND);
2607 	else
2608 		rt2800_rfcsr_write(rt2x00dev, 47, info->default_power1);
2609 
2610 	if (info->default_power2 > POWER_BOUND)
2611 		rt2800_rfcsr_write(rt2x00dev, 48, POWER_BOUND);
2612 	else
2613 		rt2800_rfcsr_write(rt2x00dev, 48, info->default_power2);
2614 
2615 	rt2800_adjust_freq_offset(rt2x00dev);
2616 
2617 	rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2618 	rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2619 	rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2620 
2621 	if ( rt2x00dev->default_ant.tx_chain_num == 2 )
2622 		rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2623 	else
2624 		rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
2625 
2626 	if ( rt2x00dev->default_ant.rx_chain_num == 2 )
2627 		rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2628 	else
2629 		rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
2630 
2631 	rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2632 	rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2633 
2634 	rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2635 
2636 	rt2800_rfcsr_write(rt2x00dev, 31, 80);
2637 }
2638 
rt2800_config_channel_rf53xx(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2639 static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev,
2640 					 struct ieee80211_conf *conf,
2641 					 struct rf_channel *rf,
2642 					 struct channel_info *info)
2643 {
2644 	u8 rfcsr;
2645 
2646 	rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1);
2647 	rt2800_rfcsr_write(rt2x00dev, 9, rf->rf3);
2648 	rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2649 	rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf2);
2650 	rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2651 
2652 	rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
2653 	if (info->default_power1 > POWER_BOUND)
2654 		rt2x00_set_field8(&rfcsr, RFCSR49_TX, POWER_BOUND);
2655 	else
2656 		rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
2657 	rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2658 
2659 	if (rt2x00_rt(rt2x00dev, RT5392)) {
2660 		rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr);
2661 		if (info->default_power2 > POWER_BOUND)
2662 			rt2x00_set_field8(&rfcsr, RFCSR50_TX, POWER_BOUND);
2663 		else
2664 			rt2x00_set_field8(&rfcsr, RFCSR50_TX,
2665 					  info->default_power2);
2666 		rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
2667 	}
2668 
2669 	rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2670 	if (rt2x00_rt(rt2x00dev, RT5392)) {
2671 		rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
2672 		rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
2673 	}
2674 	rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
2675 	rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
2676 	rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1);
2677 	rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 1);
2678 	rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2679 
2680 	rt2800_adjust_freq_offset(rt2x00dev);
2681 
2682 	if (rf->channel <= 14) {
2683 		int idx = rf->channel-1;
2684 
2685 		if (rt2x00_has_cap_bt_coexist(rt2x00dev)) {
2686 			if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
2687 				/* r55/r59 value array of channel 1~14 */
2688 				static const char r55_bt_rev[] = {0x83, 0x83,
2689 					0x83, 0x73, 0x73, 0x63, 0x53, 0x53,
2690 					0x53, 0x43, 0x43, 0x43, 0x43, 0x43};
2691 				static const char r59_bt_rev[] = {0x0e, 0x0e,
2692 					0x0e, 0x0e, 0x0e, 0x0b, 0x0a, 0x09,
2693 					0x07, 0x07, 0x07, 0x07, 0x07, 0x07};
2694 
2695 				rt2800_rfcsr_write(rt2x00dev, 55,
2696 						   r55_bt_rev[idx]);
2697 				rt2800_rfcsr_write(rt2x00dev, 59,
2698 						   r59_bt_rev[idx]);
2699 			} else {
2700 				static const char r59_bt[] = {0x8b, 0x8b, 0x8b,
2701 					0x8b, 0x8b, 0x8b, 0x8b, 0x8a, 0x89,
2702 					0x88, 0x88, 0x86, 0x85, 0x84};
2703 
2704 				rt2800_rfcsr_write(rt2x00dev, 59, r59_bt[idx]);
2705 			}
2706 		} else {
2707 			if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
2708 				static const char r55_nonbt_rev[] = {0x23, 0x23,
2709 					0x23, 0x23, 0x13, 0x13, 0x03, 0x03,
2710 					0x03, 0x03, 0x03, 0x03, 0x03, 0x03};
2711 				static const char r59_nonbt_rev[] = {0x07, 0x07,
2712 					0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
2713 					0x07, 0x07, 0x06, 0x05, 0x04, 0x04};
2714 
2715 				rt2800_rfcsr_write(rt2x00dev, 55,
2716 						   r55_nonbt_rev[idx]);
2717 				rt2800_rfcsr_write(rt2x00dev, 59,
2718 						   r59_nonbt_rev[idx]);
2719 			} else if (rt2x00_rt(rt2x00dev, RT5390) ||
2720 				   rt2x00_rt(rt2x00dev, RT5392)) {
2721 				static const char r59_non_bt[] = {0x8f, 0x8f,
2722 					0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8d,
2723 					0x8a, 0x88, 0x88, 0x87, 0x87, 0x86};
2724 
2725 				rt2800_rfcsr_write(rt2x00dev, 59,
2726 						   r59_non_bt[idx]);
2727 			}
2728 		}
2729 	}
2730 }
2731 
rt2800_config_channel_rf55xx(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)2732 static void rt2800_config_channel_rf55xx(struct rt2x00_dev *rt2x00dev,
2733 					 struct ieee80211_conf *conf,
2734 					 struct rf_channel *rf,
2735 					 struct channel_info *info)
2736 {
2737 	u8 rfcsr, ep_reg;
2738 	u32 reg;
2739 	int power_bound;
2740 
2741 	/* TODO */
2742 	const bool is_11b = false;
2743 	const bool is_type_ep = false;
2744 
2745 	rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
2746 	rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL,
2747 			   (rf->channel > 14 || conf_is_ht40(conf)) ? 5 : 0);
2748 	rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
2749 
2750 	/* Order of values on rf_channel entry: N, K, mod, R */
2751 	rt2800_rfcsr_write(rt2x00dev, 8, rf->rf1 & 0xff);
2752 
2753 	rt2800_rfcsr_read(rt2x00dev,  9, &rfcsr);
2754 	rt2x00_set_field8(&rfcsr, RFCSR9_K, rf->rf2 & 0xf);
2755 	rt2x00_set_field8(&rfcsr, RFCSR9_N, (rf->rf1 & 0x100) >> 8);
2756 	rt2x00_set_field8(&rfcsr, RFCSR9_MOD, ((rf->rf3 - 8) & 0x4) >> 2);
2757 	rt2800_rfcsr_write(rt2x00dev, 9, rfcsr);
2758 
2759 	rt2800_rfcsr_read(rt2x00dev, 11, &rfcsr);
2760 	rt2x00_set_field8(&rfcsr, RFCSR11_R, rf->rf4 - 1);
2761 	rt2x00_set_field8(&rfcsr, RFCSR11_MOD, (rf->rf3 - 8) & 0x3);
2762 	rt2800_rfcsr_write(rt2x00dev, 11, rfcsr);
2763 
2764 	if (rf->channel <= 14) {
2765 		rt2800_rfcsr_write(rt2x00dev, 10, 0x90);
2766 		/* FIXME: RF11 owerwrite ? */
2767 		rt2800_rfcsr_write(rt2x00dev, 11, 0x4A);
2768 		rt2800_rfcsr_write(rt2x00dev, 12, 0x52);
2769 		rt2800_rfcsr_write(rt2x00dev, 13, 0x42);
2770 		rt2800_rfcsr_write(rt2x00dev, 22, 0x40);
2771 		rt2800_rfcsr_write(rt2x00dev, 24, 0x4A);
2772 		rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
2773 		rt2800_rfcsr_write(rt2x00dev, 27, 0x42);
2774 		rt2800_rfcsr_write(rt2x00dev, 36, 0x80);
2775 		rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
2776 		rt2800_rfcsr_write(rt2x00dev, 38, 0x89);
2777 		rt2800_rfcsr_write(rt2x00dev, 39, 0x1B);
2778 		rt2800_rfcsr_write(rt2x00dev, 40, 0x0D);
2779 		rt2800_rfcsr_write(rt2x00dev, 41, 0x9B);
2780 		rt2800_rfcsr_write(rt2x00dev, 42, 0xD5);
2781 		rt2800_rfcsr_write(rt2x00dev, 43, 0x72);
2782 		rt2800_rfcsr_write(rt2x00dev, 44, 0x0E);
2783 		rt2800_rfcsr_write(rt2x00dev, 45, 0xA2);
2784 		rt2800_rfcsr_write(rt2x00dev, 46, 0x6B);
2785 		rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
2786 		rt2800_rfcsr_write(rt2x00dev, 51, 0x3E);
2787 		rt2800_rfcsr_write(rt2x00dev, 52, 0x48);
2788 		rt2800_rfcsr_write(rt2x00dev, 54, 0x38);
2789 		rt2800_rfcsr_write(rt2x00dev, 56, 0xA1);
2790 		rt2800_rfcsr_write(rt2x00dev, 57, 0x00);
2791 		rt2800_rfcsr_write(rt2x00dev, 58, 0x39);
2792 		rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
2793 		rt2800_rfcsr_write(rt2x00dev, 61, 0x91);
2794 		rt2800_rfcsr_write(rt2x00dev, 62, 0x39);
2795 
2796 		/* TODO RF27 <- tssi */
2797 
2798 		rfcsr = rf->channel <= 10 ? 0x07 : 0x06;
2799 		rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);
2800 		rt2800_rfcsr_write(rt2x00dev, 59, rfcsr);
2801 
2802 		if (is_11b) {
2803 			/* CCK */
2804 			rt2800_rfcsr_write(rt2x00dev, 31, 0xF8);
2805 			rt2800_rfcsr_write(rt2x00dev, 32, 0xC0);
2806 			if (is_type_ep)
2807 				rt2800_rfcsr_write(rt2x00dev, 55, 0x06);
2808 			else
2809 				rt2800_rfcsr_write(rt2x00dev, 55, 0x47);
2810 		} else {
2811 			/* OFDM */
2812 			if (is_type_ep)
2813 				rt2800_rfcsr_write(rt2x00dev, 55, 0x03);
2814 			else
2815 				rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
2816 		}
2817 
2818 		power_bound = POWER_BOUND;
2819 		ep_reg = 0x2;
2820 	} else {
2821 		rt2800_rfcsr_write(rt2x00dev, 10, 0x97);
2822 		/* FIMXE: RF11 overwrite */
2823 		rt2800_rfcsr_write(rt2x00dev, 11, 0x40);
2824 		rt2800_rfcsr_write(rt2x00dev, 25, 0xBF);
2825 		rt2800_rfcsr_write(rt2x00dev, 27, 0x42);
2826 		rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
2827 		rt2800_rfcsr_write(rt2x00dev, 37, 0x04);
2828 		rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
2829 		rt2800_rfcsr_write(rt2x00dev, 40, 0x42);
2830 		rt2800_rfcsr_write(rt2x00dev, 41, 0xBB);
2831 		rt2800_rfcsr_write(rt2x00dev, 42, 0xD7);
2832 		rt2800_rfcsr_write(rt2x00dev, 45, 0x41);
2833 		rt2800_rfcsr_write(rt2x00dev, 48, 0x00);
2834 		rt2800_rfcsr_write(rt2x00dev, 57, 0x77);
2835 		rt2800_rfcsr_write(rt2x00dev, 60, 0x05);
2836 		rt2800_rfcsr_write(rt2x00dev, 61, 0x01);
2837 
2838 		/* TODO RF27 <- tssi */
2839 
2840 		if (rf->channel >= 36 && rf->channel <= 64) {
2841 
2842 			rt2800_rfcsr_write(rt2x00dev, 12, 0x2E);
2843 			rt2800_rfcsr_write(rt2x00dev, 13, 0x22);
2844 			rt2800_rfcsr_write(rt2x00dev, 22, 0x60);
2845 			rt2800_rfcsr_write(rt2x00dev, 23, 0x7F);
2846 			if (rf->channel <= 50)
2847 				rt2800_rfcsr_write(rt2x00dev, 24, 0x09);
2848 			else if (rf->channel >= 52)
2849 				rt2800_rfcsr_write(rt2x00dev, 24, 0x07);
2850 			rt2800_rfcsr_write(rt2x00dev, 39, 0x1C);
2851 			rt2800_rfcsr_write(rt2x00dev, 43, 0x5B);
2852 			rt2800_rfcsr_write(rt2x00dev, 44, 0X40);
2853 			rt2800_rfcsr_write(rt2x00dev, 46, 0X00);
2854 			rt2800_rfcsr_write(rt2x00dev, 51, 0xFE);
2855 			rt2800_rfcsr_write(rt2x00dev, 52, 0x0C);
2856 			rt2800_rfcsr_write(rt2x00dev, 54, 0xF8);
2857 			if (rf->channel <= 50) {
2858 				rt2800_rfcsr_write(rt2x00dev, 55, 0x06),
2859 				rt2800_rfcsr_write(rt2x00dev, 56, 0xD3);
2860 			} else if (rf->channel >= 52) {
2861 				rt2800_rfcsr_write(rt2x00dev, 55, 0x04);
2862 				rt2800_rfcsr_write(rt2x00dev, 56, 0xBB);
2863 			}
2864 
2865 			rt2800_rfcsr_write(rt2x00dev, 58, 0x15);
2866 			rt2800_rfcsr_write(rt2x00dev, 59, 0x7F);
2867 			rt2800_rfcsr_write(rt2x00dev, 62, 0x15);
2868 
2869 		} else if (rf->channel >= 100 && rf->channel <= 165) {
2870 
2871 			rt2800_rfcsr_write(rt2x00dev, 12, 0x0E);
2872 			rt2800_rfcsr_write(rt2x00dev, 13, 0x42);
2873 			rt2800_rfcsr_write(rt2x00dev, 22, 0x40);
2874 			if (rf->channel <= 153) {
2875 				rt2800_rfcsr_write(rt2x00dev, 23, 0x3C);
2876 				rt2800_rfcsr_write(rt2x00dev, 24, 0x06);
2877 			} else if (rf->channel >= 155) {
2878 				rt2800_rfcsr_write(rt2x00dev, 23, 0x38);
2879 				rt2800_rfcsr_write(rt2x00dev, 24, 0x05);
2880 			}
2881 			if (rf->channel <= 138) {
2882 				rt2800_rfcsr_write(rt2x00dev, 39, 0x1A);
2883 				rt2800_rfcsr_write(rt2x00dev, 43, 0x3B);
2884 				rt2800_rfcsr_write(rt2x00dev, 44, 0x20);
2885 				rt2800_rfcsr_write(rt2x00dev, 46, 0x18);
2886 			} else if (rf->channel >= 140) {
2887 				rt2800_rfcsr_write(rt2x00dev, 39, 0x18);
2888 				rt2800_rfcsr_write(rt2x00dev, 43, 0x1B);
2889 				rt2800_rfcsr_write(rt2x00dev, 44, 0x10);
2890 				rt2800_rfcsr_write(rt2x00dev, 46, 0X08);
2891 			}
2892 			if (rf->channel <= 124)
2893 				rt2800_rfcsr_write(rt2x00dev, 51, 0xFC);
2894 			else if (rf->channel >= 126)
2895 				rt2800_rfcsr_write(rt2x00dev, 51, 0xEC);
2896 			if (rf->channel <= 138)
2897 				rt2800_rfcsr_write(rt2x00dev, 52, 0x06);
2898 			else if (rf->channel >= 140)
2899 				rt2800_rfcsr_write(rt2x00dev, 52, 0x06);
2900 			rt2800_rfcsr_write(rt2x00dev, 54, 0xEB);
2901 			if (rf->channel <= 138)
2902 				rt2800_rfcsr_write(rt2x00dev, 55, 0x01);
2903 			else if (rf->channel >= 140)
2904 				rt2800_rfcsr_write(rt2x00dev, 55, 0x00);
2905 			if (rf->channel <= 128)
2906 				rt2800_rfcsr_write(rt2x00dev, 56, 0xBB);
2907 			else if (rf->channel >= 130)
2908 				rt2800_rfcsr_write(rt2x00dev, 56, 0xAB);
2909 			if (rf->channel <= 116)
2910 				rt2800_rfcsr_write(rt2x00dev, 58, 0x1D);
2911 			else if (rf->channel >= 118)
2912 				rt2800_rfcsr_write(rt2x00dev, 58, 0x15);
2913 			if (rf->channel <= 138)
2914 				rt2800_rfcsr_write(rt2x00dev, 59, 0x3F);
2915 			else if (rf->channel >= 140)
2916 				rt2800_rfcsr_write(rt2x00dev, 59, 0x7C);
2917 			if (rf->channel <= 116)
2918 				rt2800_rfcsr_write(rt2x00dev, 62, 0x1D);
2919 			else if (rf->channel >= 118)
2920 				rt2800_rfcsr_write(rt2x00dev, 62, 0x15);
2921 		}
2922 
2923 		power_bound = POWER_BOUND_5G;
2924 		ep_reg = 0x3;
2925 	}
2926 
2927 	rt2800_rfcsr_read(rt2x00dev, 49, &rfcsr);
2928 	if (info->default_power1 > power_bound)
2929 		rt2x00_set_field8(&rfcsr, RFCSR49_TX, power_bound);
2930 	else
2931 		rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1);
2932 	if (is_type_ep)
2933 		rt2x00_set_field8(&rfcsr, RFCSR49_EP, ep_reg);
2934 	rt2800_rfcsr_write(rt2x00dev, 49, rfcsr);
2935 
2936 	rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr);
2937 	if (info->default_power2 > power_bound)
2938 		rt2x00_set_field8(&rfcsr, RFCSR50_TX, power_bound);
2939 	else
2940 		rt2x00_set_field8(&rfcsr, RFCSR50_TX, info->default_power2);
2941 	if (is_type_ep)
2942 		rt2x00_set_field8(&rfcsr, RFCSR50_EP, ep_reg);
2943 	rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
2944 
2945 	rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
2946 	rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
2947 	rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
2948 
2949 	rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD,
2950 			  rt2x00dev->default_ant.tx_chain_num >= 1);
2951 	rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD,
2952 			  rt2x00dev->default_ant.tx_chain_num == 2);
2953 	rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
2954 
2955 	rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD,
2956 			  rt2x00dev->default_ant.rx_chain_num >= 1);
2957 	rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD,
2958 			  rt2x00dev->default_ant.rx_chain_num == 2);
2959 	rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
2960 
2961 	rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
2962 	rt2800_rfcsr_write(rt2x00dev, 6, 0xe4);
2963 
2964 	if (conf_is_ht40(conf))
2965 		rt2800_rfcsr_write(rt2x00dev, 30, 0x16);
2966 	else
2967 		rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
2968 
2969 	if (!is_11b) {
2970 		rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
2971 		rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
2972 	}
2973 
2974 	/* TODO proper frequency adjustment */
2975 	rt2800_adjust_freq_offset(rt2x00dev);
2976 
2977 	/* TODO merge with others */
2978 	rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
2979 	rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
2980 	rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
2981 
2982 	/* BBP settings */
2983 	rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
2984 	rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
2985 	rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
2986 
2987 	rt2800_bbp_write(rt2x00dev, 79, (rf->channel <= 14) ? 0x1C : 0x18);
2988 	rt2800_bbp_write(rt2x00dev, 80, (rf->channel <= 14) ? 0x0E : 0x08);
2989 	rt2800_bbp_write(rt2x00dev, 81, (rf->channel <= 14) ? 0x3A : 0x38);
2990 	rt2800_bbp_write(rt2x00dev, 82, (rf->channel <= 14) ? 0x62 : 0x92);
2991 
2992 	/* GLRT band configuration */
2993 	rt2800_bbp_write(rt2x00dev, 195, 128);
2994 	rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0xE0 : 0xF0);
2995 	rt2800_bbp_write(rt2x00dev, 195, 129);
2996 	rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x1F : 0x1E);
2997 	rt2800_bbp_write(rt2x00dev, 195, 130);
2998 	rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x38 : 0x28);
2999 	rt2800_bbp_write(rt2x00dev, 195, 131);
3000 	rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x32 : 0x20);
3001 	rt2800_bbp_write(rt2x00dev, 195, 133);
3002 	rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x28 : 0x7F);
3003 	rt2800_bbp_write(rt2x00dev, 195, 124);
3004 	rt2800_bbp_write(rt2x00dev, 196, (rf->channel <= 14) ? 0x19 : 0x7F);
3005 }
3006 
rt2800_bbp_write_with_rx_chain(struct rt2x00_dev * rt2x00dev,const unsigned int word,const u8 value)3007 static void rt2800_bbp_write_with_rx_chain(struct rt2x00_dev *rt2x00dev,
3008 					   const unsigned int word,
3009 					   const u8 value)
3010 {
3011 	u8 chain, reg;
3012 
3013 	for (chain = 0; chain < rt2x00dev->default_ant.rx_chain_num; chain++) {
3014 		rt2800_bbp_read(rt2x00dev, 27, &reg);
3015 		rt2x00_set_field8(&reg,  BBP27_RX_CHAIN_SEL, chain);
3016 		rt2800_bbp_write(rt2x00dev, 27, reg);
3017 
3018 		rt2800_bbp_write(rt2x00dev, word, value);
3019 	}
3020 }
3021 
rt2800_iq_calibrate(struct rt2x00_dev * rt2x00dev,int channel)3022 static void rt2800_iq_calibrate(struct rt2x00_dev *rt2x00dev, int channel)
3023 {
3024 	u8 cal;
3025 
3026 	/* TX0 IQ Gain */
3027 	rt2800_bbp_write(rt2x00dev, 158, 0x2c);
3028 	if (channel <= 14)
3029 		cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX0_2G);
3030 	else if (channel >= 36 && channel <= 64)
3031 		cal = rt2x00_eeprom_byte(rt2x00dev,
3032 					 EEPROM_IQ_GAIN_CAL_TX0_CH36_TO_CH64_5G);
3033 	else if (channel >= 100 && channel <= 138)
3034 		cal = rt2x00_eeprom_byte(rt2x00dev,
3035 					 EEPROM_IQ_GAIN_CAL_TX0_CH100_TO_CH138_5G);
3036 	else if (channel >= 140 && channel <= 165)
3037 		cal = rt2x00_eeprom_byte(rt2x00dev,
3038 					 EEPROM_IQ_GAIN_CAL_TX0_CH140_TO_CH165_5G);
3039 	else
3040 		cal = 0;
3041 	rt2800_bbp_write(rt2x00dev, 159, cal);
3042 
3043 	/* TX0 IQ Phase */
3044 	rt2800_bbp_write(rt2x00dev, 158, 0x2d);
3045 	if (channel <= 14)
3046 		cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX0_2G);
3047 	else if (channel >= 36 && channel <= 64)
3048 		cal = rt2x00_eeprom_byte(rt2x00dev,
3049 					 EEPROM_IQ_PHASE_CAL_TX0_CH36_TO_CH64_5G);
3050 	else if (channel >= 100 && channel <= 138)
3051 		cal = rt2x00_eeprom_byte(rt2x00dev,
3052 					 EEPROM_IQ_PHASE_CAL_TX0_CH100_TO_CH138_5G);
3053 	else if (channel >= 140 && channel <= 165)
3054 		cal = rt2x00_eeprom_byte(rt2x00dev,
3055 					 EEPROM_IQ_PHASE_CAL_TX0_CH140_TO_CH165_5G);
3056 	else
3057 		cal = 0;
3058 	rt2800_bbp_write(rt2x00dev, 159, cal);
3059 
3060 	/* TX1 IQ Gain */
3061 	rt2800_bbp_write(rt2x00dev, 158, 0x4a);
3062 	if (channel <= 14)
3063 		cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_GAIN_CAL_TX1_2G);
3064 	else if (channel >= 36 && channel <= 64)
3065 		cal = rt2x00_eeprom_byte(rt2x00dev,
3066 					 EEPROM_IQ_GAIN_CAL_TX1_CH36_TO_CH64_5G);
3067 	else if (channel >= 100 && channel <= 138)
3068 		cal = rt2x00_eeprom_byte(rt2x00dev,
3069 					 EEPROM_IQ_GAIN_CAL_TX1_CH100_TO_CH138_5G);
3070 	else if (channel >= 140 && channel <= 165)
3071 		cal = rt2x00_eeprom_byte(rt2x00dev,
3072 					 EEPROM_IQ_GAIN_CAL_TX1_CH140_TO_CH165_5G);
3073 	else
3074 		cal = 0;
3075 	rt2800_bbp_write(rt2x00dev, 159, cal);
3076 
3077 	/* TX1 IQ Phase */
3078 	rt2800_bbp_write(rt2x00dev, 158, 0x4b);
3079 	if (channel <= 14)
3080 		cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_IQ_PHASE_CAL_TX1_2G);
3081 	else if (channel >= 36 && channel <= 64)
3082 		cal = rt2x00_eeprom_byte(rt2x00dev,
3083 					 EEPROM_IQ_PHASE_CAL_TX1_CH36_TO_CH64_5G);
3084 	else if (channel >= 100 && channel <= 138)
3085 		cal = rt2x00_eeprom_byte(rt2x00dev,
3086 					 EEPROM_IQ_PHASE_CAL_TX1_CH100_TO_CH138_5G);
3087 	else if (channel >= 140 && channel <= 165)
3088 		cal = rt2x00_eeprom_byte(rt2x00dev,
3089 					 EEPROM_IQ_PHASE_CAL_TX1_CH140_TO_CH165_5G);
3090 	else
3091 		cal = 0;
3092 	rt2800_bbp_write(rt2x00dev, 159, cal);
3093 
3094 	/* FIXME: possible RX0, RX1 callibration ? */
3095 
3096 	/* RF IQ compensation control */
3097 	rt2800_bbp_write(rt2x00dev, 158, 0x04);
3098 	cal = rt2x00_eeprom_byte(rt2x00dev, EEPROM_RF_IQ_COMPENSATION_CONTROL);
3099 	rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0);
3100 
3101 	/* RF IQ imbalance compensation control */
3102 	rt2800_bbp_write(rt2x00dev, 158, 0x03);
3103 	cal = rt2x00_eeprom_byte(rt2x00dev,
3104 				 EEPROM_RF_IQ_IMBALANCE_COMPENSATION_CONTROL);
3105 	rt2800_bbp_write(rt2x00dev, 159, cal != 0xff ? cal : 0);
3106 }
3107 
rt2800_txpower_to_dev(struct rt2x00_dev * rt2x00dev,unsigned int channel,char txpower)3108 static char rt2800_txpower_to_dev(struct rt2x00_dev *rt2x00dev,
3109 				  unsigned int channel,
3110 				  char txpower)
3111 {
3112 	if (rt2x00_rt(rt2x00dev, RT3593))
3113 		txpower = rt2x00_get_field8(txpower, EEPROM_TXPOWER_ALC);
3114 
3115 	if (channel <= 14)
3116 		return clamp_t(char, txpower, MIN_G_TXPOWER, MAX_G_TXPOWER);
3117 
3118 	if (rt2x00_rt(rt2x00dev, RT3593))
3119 		return clamp_t(char, txpower, MIN_A_TXPOWER_3593,
3120 			       MAX_A_TXPOWER_3593);
3121 	else
3122 		return clamp_t(char, txpower, MIN_A_TXPOWER, MAX_A_TXPOWER);
3123 }
3124 
rt2800_config_channel(struct rt2x00_dev * rt2x00dev,struct ieee80211_conf * conf,struct rf_channel * rf,struct channel_info * info)3125 static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
3126 				  struct ieee80211_conf *conf,
3127 				  struct rf_channel *rf,
3128 				  struct channel_info *info)
3129 {
3130 	u32 reg;
3131 	unsigned int tx_pin;
3132 	u8 bbp, rfcsr;
3133 
3134 	info->default_power1 = rt2800_txpower_to_dev(rt2x00dev, rf->channel,
3135 						     info->default_power1);
3136 	info->default_power2 = rt2800_txpower_to_dev(rt2x00dev, rf->channel,
3137 						     info->default_power2);
3138 	if (rt2x00dev->default_ant.tx_chain_num > 2)
3139 		info->default_power3 =
3140 			rt2800_txpower_to_dev(rt2x00dev, rf->channel,
3141 					      info->default_power3);
3142 
3143 	switch (rt2x00dev->chip.rf) {
3144 	case RF2020:
3145 	case RF3020:
3146 	case RF3021:
3147 	case RF3022:
3148 	case RF3320:
3149 		rt2800_config_channel_rf3xxx(rt2x00dev, conf, rf, info);
3150 		break;
3151 	case RF3052:
3152 		rt2800_config_channel_rf3052(rt2x00dev, conf, rf, info);
3153 		break;
3154 	case RF3053:
3155 		rt2800_config_channel_rf3053(rt2x00dev, conf, rf, info);
3156 		break;
3157 	case RF3290:
3158 		rt2800_config_channel_rf3290(rt2x00dev, conf, rf, info);
3159 		break;
3160 	case RF3322:
3161 		rt2800_config_channel_rf3322(rt2x00dev, conf, rf, info);
3162 		break;
3163 	case RF3070:
3164 	case RF5360:
3165 	case RF5362:
3166 	case RF5370:
3167 	case RF5372:
3168 	case RF5390:
3169 	case RF5392:
3170 		rt2800_config_channel_rf53xx(rt2x00dev, conf, rf, info);
3171 		break;
3172 	case RF5592:
3173 		rt2800_config_channel_rf55xx(rt2x00dev, conf, rf, info);
3174 		break;
3175 	default:
3176 		rt2800_config_channel_rf2xxx(rt2x00dev, conf, rf, info);
3177 	}
3178 
3179 	if (rt2x00_rf(rt2x00dev, RF3070) ||
3180 	    rt2x00_rf(rt2x00dev, RF3290) ||
3181 	    rt2x00_rf(rt2x00dev, RF3322) ||
3182 	    rt2x00_rf(rt2x00dev, RF5360) ||
3183 	    rt2x00_rf(rt2x00dev, RF5362) ||
3184 	    rt2x00_rf(rt2x00dev, RF5370) ||
3185 	    rt2x00_rf(rt2x00dev, RF5372) ||
3186 	    rt2x00_rf(rt2x00dev, RF5390) ||
3187 	    rt2x00_rf(rt2x00dev, RF5392)) {
3188 		rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
3189 		rt2x00_set_field8(&rfcsr, RFCSR30_TX_H20M, 0);
3190 		rt2x00_set_field8(&rfcsr, RFCSR30_RX_H20M, 0);
3191 		rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
3192 
3193 		rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
3194 		rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
3195 		rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
3196 	}
3197 
3198 	/*
3199 	 * Change BBP settings
3200 	 */
3201 	if (rt2x00_rt(rt2x00dev, RT3352)) {
3202 		rt2800_bbp_write(rt2x00dev, 27, 0x0);
3203 		rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain);
3204 		rt2800_bbp_write(rt2x00dev, 27, 0x20);
3205 		rt2800_bbp_write(rt2x00dev, 66, 0x26 + rt2x00dev->lna_gain);
3206 	} else if (rt2x00_rt(rt2x00dev, RT3593)) {
3207 		if (rf->channel > 14) {
3208 			/* Disable CCK Packet detection on 5GHz */
3209 			rt2800_bbp_write(rt2x00dev, 70, 0x00);
3210 		} else {
3211 			rt2800_bbp_write(rt2x00dev, 70, 0x0a);
3212 		}
3213 
3214 		if (conf_is_ht40(conf))
3215 			rt2800_bbp_write(rt2x00dev, 105, 0x04);
3216 		else
3217 			rt2800_bbp_write(rt2x00dev, 105, 0x34);
3218 
3219 		rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
3220 		rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
3221 		rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
3222 		rt2800_bbp_write(rt2x00dev, 77, 0x98);
3223 	} else {
3224 		rt2800_bbp_write(rt2x00dev, 62, 0x37 - rt2x00dev->lna_gain);
3225 		rt2800_bbp_write(rt2x00dev, 63, 0x37 - rt2x00dev->lna_gain);
3226 		rt2800_bbp_write(rt2x00dev, 64, 0x37 - rt2x00dev->lna_gain);
3227 		rt2800_bbp_write(rt2x00dev, 86, 0);
3228 	}
3229 
3230 	if (rf->channel <= 14) {
3231 		if (!rt2x00_rt(rt2x00dev, RT5390) &&
3232 		    !rt2x00_rt(rt2x00dev, RT5392)) {
3233 			if (rt2x00_has_cap_external_lna_bg(rt2x00dev)) {
3234 				rt2800_bbp_write(rt2x00dev, 82, 0x62);
3235 				rt2800_bbp_write(rt2x00dev, 75, 0x46);
3236 			} else {
3237 				if (rt2x00_rt(rt2x00dev, RT3593))
3238 					rt2800_bbp_write(rt2x00dev, 82, 0x62);
3239 				else
3240 					rt2800_bbp_write(rt2x00dev, 82, 0x84);
3241 				rt2800_bbp_write(rt2x00dev, 75, 0x50);
3242 			}
3243 			if (rt2x00_rt(rt2x00dev, RT3593))
3244 				rt2800_bbp_write(rt2x00dev, 83, 0x8a);
3245 		}
3246 
3247 	} else {
3248 		if (rt2x00_rt(rt2x00dev, RT3572))
3249 			rt2800_bbp_write(rt2x00dev, 82, 0x94);
3250 		else if (rt2x00_rt(rt2x00dev, RT3593))
3251 			rt2800_bbp_write(rt2x00dev, 82, 0x82);
3252 		else
3253 			rt2800_bbp_write(rt2x00dev, 82, 0xf2);
3254 
3255 		if (rt2x00_rt(rt2x00dev, RT3593))
3256 			rt2800_bbp_write(rt2x00dev, 83, 0x9a);
3257 
3258 		if (rt2x00_has_cap_external_lna_a(rt2x00dev))
3259 			rt2800_bbp_write(rt2x00dev, 75, 0x46);
3260 		else
3261 			rt2800_bbp_write(rt2x00dev, 75, 0x50);
3262 	}
3263 
3264 	rt2800_register_read(rt2x00dev, TX_BAND_CFG, &reg);
3265 	rt2x00_set_field32(&reg, TX_BAND_CFG_HT40_MINUS, conf_is_ht40_minus(conf));
3266 	rt2x00_set_field32(&reg, TX_BAND_CFG_A, rf->channel > 14);
3267 	rt2x00_set_field32(&reg, TX_BAND_CFG_BG, rf->channel <= 14);
3268 	rt2800_register_write(rt2x00dev, TX_BAND_CFG, reg);
3269 
3270 	if (rt2x00_rt(rt2x00dev, RT3572))
3271 		rt2800_rfcsr_write(rt2x00dev, 8, 0);
3272 
3273 	tx_pin = 0;
3274 
3275 	switch (rt2x00dev->default_ant.tx_chain_num) {
3276 	case 3:
3277 		/* Turn on tertiary PAs */
3278 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN,
3279 				   rf->channel > 14);
3280 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN,
3281 				   rf->channel <= 14);
3282 		/* fall-through */
3283 	case 2:
3284 		/* Turn on secondary PAs */
3285 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN,
3286 				   rf->channel > 14);
3287 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN,
3288 				   rf->channel <= 14);
3289 		/* fall-through */
3290 	case 1:
3291 		/* Turn on primary PAs */
3292 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN,
3293 				   rf->channel > 14);
3294 		if (rt2x00_has_cap_bt_coexist(rt2x00dev))
3295 			rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
3296 		else
3297 			rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN,
3298 					   rf->channel <= 14);
3299 		break;
3300 	}
3301 
3302 	switch (rt2x00dev->default_ant.rx_chain_num) {
3303 	case 3:
3304 		/* Turn on tertiary LNAs */
3305 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A2_EN, 1);
3306 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G2_EN, 1);
3307 		/* fall-through */
3308 	case 2:
3309 		/* Turn on secondary LNAs */
3310 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A1_EN, 1);
3311 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G1_EN, 1);
3312 		/* fall-through */
3313 	case 1:
3314 		/* Turn on primary LNAs */
3315 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_A0_EN, 1);
3316 		rt2x00_set_field32(&tx_pin, TX_PIN_CFG_LNA_PE_G0_EN, 1);
3317 		break;
3318 	}
3319 
3320 	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_RFTR_EN, 1);
3321 	rt2x00_set_field32(&tx_pin, TX_PIN_CFG_TRSW_EN, 1);
3322 
3323 	rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
3324 
3325 	if (rt2x00_rt(rt2x00dev, RT3572)) {
3326 		rt2800_rfcsr_write(rt2x00dev, 8, 0x80);
3327 
3328 		/* AGC init */
3329 		if (rf->channel <= 14)
3330 			reg = 0x1c + (2 * rt2x00dev->lna_gain);
3331 		else
3332 			reg = 0x22 + ((rt2x00dev->lna_gain * 5) / 3);
3333 
3334 		rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
3335 	}
3336 
3337 	if (rt2x00_rt(rt2x00dev, RT3593)) {
3338 		rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
3339 
3340 		/* Band selection */
3341 		if (rt2x00_is_usb(rt2x00dev) ||
3342 		    rt2x00_is_pcie(rt2x00dev)) {
3343 			/* GPIO #8 controls all paths */
3344 			rt2x00_set_field32(&reg, GPIO_CTRL_DIR8, 0);
3345 			if (rf->channel <= 14)
3346 				rt2x00_set_field32(&reg, GPIO_CTRL_VAL8, 1);
3347 			else
3348 				rt2x00_set_field32(&reg, GPIO_CTRL_VAL8, 0);
3349 		}
3350 
3351 		/* LNA PE control. */
3352 		if (rt2x00_is_usb(rt2x00dev)) {
3353 			/* GPIO #4 controls PE0 and PE1,
3354 			 * GPIO #7 controls PE2
3355 			 */
3356 			rt2x00_set_field32(&reg, GPIO_CTRL_DIR4, 0);
3357 			rt2x00_set_field32(&reg, GPIO_CTRL_DIR7, 0);
3358 
3359 			rt2x00_set_field32(&reg, GPIO_CTRL_VAL4, 1);
3360 			rt2x00_set_field32(&reg, GPIO_CTRL_VAL7, 1);
3361 		} else if (rt2x00_is_pcie(rt2x00dev)) {
3362 			/* GPIO #4 controls PE0, PE1 and PE2 */
3363 			rt2x00_set_field32(&reg, GPIO_CTRL_DIR4, 0);
3364 			rt2x00_set_field32(&reg, GPIO_CTRL_VAL4, 1);
3365 		}
3366 
3367 		rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
3368 
3369 		/* AGC init */
3370 		if (rf->channel <= 14)
3371 			reg = 0x1c + 2 * rt2x00dev->lna_gain;
3372 		else
3373 			reg = 0x22 + ((rt2x00dev->lna_gain * 5) / 3);
3374 
3375 		rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
3376 
3377 		usleep_range(1000, 1500);
3378 	}
3379 
3380 	if (rt2x00_rt(rt2x00dev, RT5592)) {
3381 		rt2800_bbp_write(rt2x00dev, 195, 141);
3382 		rt2800_bbp_write(rt2x00dev, 196, conf_is_ht40(conf) ? 0x10 : 0x1a);
3383 
3384 		/* AGC init */
3385 		reg = (rf->channel <= 14 ? 0x1c : 0x24) + 2 * rt2x00dev->lna_gain;
3386 		rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, reg);
3387 
3388 		rt2800_iq_calibrate(rt2x00dev, rf->channel);
3389 	}
3390 
3391 	rt2800_bbp_read(rt2x00dev, 4, &bbp);
3392 	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * conf_is_ht40(conf));
3393 	rt2800_bbp_write(rt2x00dev, 4, bbp);
3394 
3395 	rt2800_bbp_read(rt2x00dev, 3, &bbp);
3396 	rt2x00_set_field8(&bbp, BBP3_HT40_MINUS, conf_is_ht40_minus(conf));
3397 	rt2800_bbp_write(rt2x00dev, 3, bbp);
3398 
3399 	if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
3400 		if (conf_is_ht40(conf)) {
3401 			rt2800_bbp_write(rt2x00dev, 69, 0x1a);
3402 			rt2800_bbp_write(rt2x00dev, 70, 0x0a);
3403 			rt2800_bbp_write(rt2x00dev, 73, 0x16);
3404 		} else {
3405 			rt2800_bbp_write(rt2x00dev, 69, 0x16);
3406 			rt2800_bbp_write(rt2x00dev, 70, 0x08);
3407 			rt2800_bbp_write(rt2x00dev, 73, 0x11);
3408 		}
3409 	}
3410 
3411 	msleep(1);
3412 
3413 	/*
3414 	 * Clear channel statistic counters
3415 	 */
3416 	rt2800_register_read(rt2x00dev, CH_IDLE_STA, &reg);
3417 	rt2800_register_read(rt2x00dev, CH_BUSY_STA, &reg);
3418 	rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, &reg);
3419 
3420 	/*
3421 	 * Clear update flag
3422 	 */
3423 	if (rt2x00_rt(rt2x00dev, RT3352)) {
3424 		rt2800_bbp_read(rt2x00dev, 49, &bbp);
3425 		rt2x00_set_field8(&bbp, BBP49_UPDATE_FLAG, 0);
3426 		rt2800_bbp_write(rt2x00dev, 49, bbp);
3427 	}
3428 }
3429 
rt2800_get_gain_calibration_delta(struct rt2x00_dev * rt2x00dev)3430 static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev)
3431 {
3432 	u8 tssi_bounds[9];
3433 	u8 current_tssi;
3434 	u16 eeprom;
3435 	u8 step;
3436 	int i;
3437 
3438 	/*
3439 	 * First check if temperature compensation is supported.
3440 	 */
3441 	rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
3442 	if (!rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC))
3443 		return 0;
3444 
3445 	/*
3446 	 * Read TSSI boundaries for temperature compensation from
3447 	 * the EEPROM.
3448 	 *
3449 	 * Array idx               0    1    2    3    4    5    6    7    8
3450 	 * Matching Delta value   -4   -3   -2   -1    0   +1   +2   +3   +4
3451 	 * Example TSSI bounds  0xF0 0xD0 0xB5 0xA0 0x88 0x45 0x25 0x15 0x00
3452 	 */
3453 	if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
3454 		rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG1, &eeprom);
3455 		tssi_bounds[0] = rt2x00_get_field16(eeprom,
3456 					EEPROM_TSSI_BOUND_BG1_MINUS4);
3457 		tssi_bounds[1] = rt2x00_get_field16(eeprom,
3458 					EEPROM_TSSI_BOUND_BG1_MINUS3);
3459 
3460 		rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG2, &eeprom);
3461 		tssi_bounds[2] = rt2x00_get_field16(eeprom,
3462 					EEPROM_TSSI_BOUND_BG2_MINUS2);
3463 		tssi_bounds[3] = rt2x00_get_field16(eeprom,
3464 					EEPROM_TSSI_BOUND_BG2_MINUS1);
3465 
3466 		rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG3, &eeprom);
3467 		tssi_bounds[4] = rt2x00_get_field16(eeprom,
3468 					EEPROM_TSSI_BOUND_BG3_REF);
3469 		tssi_bounds[5] = rt2x00_get_field16(eeprom,
3470 					EEPROM_TSSI_BOUND_BG3_PLUS1);
3471 
3472 		rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG4, &eeprom);
3473 		tssi_bounds[6] = rt2x00_get_field16(eeprom,
3474 					EEPROM_TSSI_BOUND_BG4_PLUS2);
3475 		tssi_bounds[7] = rt2x00_get_field16(eeprom,
3476 					EEPROM_TSSI_BOUND_BG4_PLUS3);
3477 
3478 		rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_BG5, &eeprom);
3479 		tssi_bounds[8] = rt2x00_get_field16(eeprom,
3480 					EEPROM_TSSI_BOUND_BG5_PLUS4);
3481 
3482 		step = rt2x00_get_field16(eeprom,
3483 					  EEPROM_TSSI_BOUND_BG5_AGC_STEP);
3484 	} else {
3485 		rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A1, &eeprom);
3486 		tssi_bounds[0] = rt2x00_get_field16(eeprom,
3487 					EEPROM_TSSI_BOUND_A1_MINUS4);
3488 		tssi_bounds[1] = rt2x00_get_field16(eeprom,
3489 					EEPROM_TSSI_BOUND_A1_MINUS3);
3490 
3491 		rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A2, &eeprom);
3492 		tssi_bounds[2] = rt2x00_get_field16(eeprom,
3493 					EEPROM_TSSI_BOUND_A2_MINUS2);
3494 		tssi_bounds[3] = rt2x00_get_field16(eeprom,
3495 					EEPROM_TSSI_BOUND_A2_MINUS1);
3496 
3497 		rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A3, &eeprom);
3498 		tssi_bounds[4] = rt2x00_get_field16(eeprom,
3499 					EEPROM_TSSI_BOUND_A3_REF);
3500 		tssi_bounds[5] = rt2x00_get_field16(eeprom,
3501 					EEPROM_TSSI_BOUND_A3_PLUS1);
3502 
3503 		rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A4, &eeprom);
3504 		tssi_bounds[6] = rt2x00_get_field16(eeprom,
3505 					EEPROM_TSSI_BOUND_A4_PLUS2);
3506 		tssi_bounds[7] = rt2x00_get_field16(eeprom,
3507 					EEPROM_TSSI_BOUND_A4_PLUS3);
3508 
3509 		rt2800_eeprom_read(rt2x00dev, EEPROM_TSSI_BOUND_A5, &eeprom);
3510 		tssi_bounds[8] = rt2x00_get_field16(eeprom,
3511 					EEPROM_TSSI_BOUND_A5_PLUS4);
3512 
3513 		step = rt2x00_get_field16(eeprom,
3514 					  EEPROM_TSSI_BOUND_A5_AGC_STEP);
3515 	}
3516 
3517 	/*
3518 	 * Check if temperature compensation is supported.
3519 	 */
3520 	if (tssi_bounds[4] == 0xff || step == 0xff)
3521 		return 0;
3522 
3523 	/*
3524 	 * Read current TSSI (BBP 49).
3525 	 */
3526 	rt2800_bbp_read(rt2x00dev, 49, &current_tssi);
3527 
3528 	/*
3529 	 * Compare TSSI value (BBP49) with the compensation boundaries
3530 	 * from the EEPROM and increase or decrease tx power.
3531 	 */
3532 	for (i = 0; i <= 3; i++) {
3533 		if (current_tssi > tssi_bounds[i])
3534 			break;
3535 	}
3536 
3537 	if (i == 4) {
3538 		for (i = 8; i >= 5; i--) {
3539 			if (current_tssi < tssi_bounds[i])
3540 				break;
3541 		}
3542 	}
3543 
3544 	return (i - 4) * step;
3545 }
3546 
rt2800_get_txpower_bw_comp(struct rt2x00_dev * rt2x00dev,enum ieee80211_band band)3547 static int rt2800_get_txpower_bw_comp(struct rt2x00_dev *rt2x00dev,
3548 				      enum ieee80211_band band)
3549 {
3550 	u16 eeprom;
3551 	u8 comp_en;
3552 	u8 comp_type;
3553 	int comp_value = 0;
3554 
3555 	rt2800_eeprom_read(rt2x00dev, EEPROM_TXPOWER_DELTA, &eeprom);
3556 
3557 	/*
3558 	 * HT40 compensation not required.
3559 	 */
3560 	if (eeprom == 0xffff ||
3561 	    !test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
3562 		return 0;
3563 
3564 	if (band == IEEE80211_BAND_2GHZ) {
3565 		comp_en = rt2x00_get_field16(eeprom,
3566 				 EEPROM_TXPOWER_DELTA_ENABLE_2G);
3567 		if (comp_en) {
3568 			comp_type = rt2x00_get_field16(eeprom,
3569 					   EEPROM_TXPOWER_DELTA_TYPE_2G);
3570 			comp_value = rt2x00_get_field16(eeprom,
3571 					    EEPROM_TXPOWER_DELTA_VALUE_2G);
3572 			if (!comp_type)
3573 				comp_value = -comp_value;
3574 		}
3575 	} else {
3576 		comp_en = rt2x00_get_field16(eeprom,
3577 				 EEPROM_TXPOWER_DELTA_ENABLE_5G);
3578 		if (comp_en) {
3579 			comp_type = rt2x00_get_field16(eeprom,
3580 					   EEPROM_TXPOWER_DELTA_TYPE_5G);
3581 			comp_value = rt2x00_get_field16(eeprom,
3582 					    EEPROM_TXPOWER_DELTA_VALUE_5G);
3583 			if (!comp_type)
3584 				comp_value = -comp_value;
3585 		}
3586 	}
3587 
3588 	return comp_value;
3589 }
3590 
rt2800_get_txpower_reg_delta(struct rt2x00_dev * rt2x00dev,int power_level,int max_power)3591 static int rt2800_get_txpower_reg_delta(struct rt2x00_dev *rt2x00dev,
3592 					int power_level, int max_power)
3593 {
3594 	int delta;
3595 
3596 	if (rt2x00_has_cap_power_limit(rt2x00dev))
3597 		return 0;
3598 
3599 	/*
3600 	 * XXX: We don't know the maximum transmit power of our hardware since
3601 	 * the EEPROM doesn't expose it. We only know that we are calibrated
3602 	 * to 100% tx power.
3603 	 *
3604 	 * Hence, we assume the regulatory limit that cfg80211 calulated for
3605 	 * the current channel is our maximum and if we are requested to lower
3606 	 * the value we just reduce our tx power accordingly.
3607 	 */
3608 	delta = power_level - max_power;
3609 	return min(delta, 0);
3610 }
3611 
rt2800_compensate_txpower(struct rt2x00_dev * rt2x00dev,int is_rate_b,enum ieee80211_band band,int power_level,u8 txpower,int delta)3612 static u8 rt2800_compensate_txpower(struct rt2x00_dev *rt2x00dev, int is_rate_b,
3613 				   enum ieee80211_band band, int power_level,
3614 				   u8 txpower, int delta)
3615 {
3616 	u16 eeprom;
3617 	u8 criterion;
3618 	u8 eirp_txpower;
3619 	u8 eirp_txpower_criterion;
3620 	u8 reg_limit;
3621 
3622 	if (rt2x00_rt(rt2x00dev, RT3593))
3623 		return min_t(u8, txpower, 0xc);
3624 
3625 	if (rt2x00_has_cap_power_limit(rt2x00dev)) {
3626 		/*
3627 		 * Check if eirp txpower exceed txpower_limit.
3628 		 * We use OFDM 6M as criterion and its eirp txpower
3629 		 * is stored at EEPROM_EIRP_MAX_TX_POWER.
3630 		 * .11b data rate need add additional 4dbm
3631 		 * when calculating eirp txpower.
3632 		 */
3633 		rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3634 					      1, &eeprom);
3635 		criterion = rt2x00_get_field16(eeprom,
3636 					       EEPROM_TXPOWER_BYRATE_RATE0);
3637 
3638 		rt2800_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER,
3639 				   &eeprom);
3640 
3641 		if (band == IEEE80211_BAND_2GHZ)
3642 			eirp_txpower_criterion = rt2x00_get_field16(eeprom,
3643 						 EEPROM_EIRP_MAX_TX_POWER_2GHZ);
3644 		else
3645 			eirp_txpower_criterion = rt2x00_get_field16(eeprom,
3646 						 EEPROM_EIRP_MAX_TX_POWER_5GHZ);
3647 
3648 		eirp_txpower = eirp_txpower_criterion + (txpower - criterion) +
3649 			       (is_rate_b ? 4 : 0) + delta;
3650 
3651 		reg_limit = (eirp_txpower > power_level) ?
3652 					(eirp_txpower - power_level) : 0;
3653 	} else
3654 		reg_limit = 0;
3655 
3656 	txpower = max(0, txpower + delta - reg_limit);
3657 	return min_t(u8, txpower, 0xc);
3658 }
3659 
3660 
3661 enum {
3662 	TX_PWR_CFG_0_IDX,
3663 	TX_PWR_CFG_1_IDX,
3664 	TX_PWR_CFG_2_IDX,
3665 	TX_PWR_CFG_3_IDX,
3666 	TX_PWR_CFG_4_IDX,
3667 	TX_PWR_CFG_5_IDX,
3668 	TX_PWR_CFG_6_IDX,
3669 	TX_PWR_CFG_7_IDX,
3670 	TX_PWR_CFG_8_IDX,
3671 	TX_PWR_CFG_9_IDX,
3672 	TX_PWR_CFG_0_EXT_IDX,
3673 	TX_PWR_CFG_1_EXT_IDX,
3674 	TX_PWR_CFG_2_EXT_IDX,
3675 	TX_PWR_CFG_3_EXT_IDX,
3676 	TX_PWR_CFG_4_EXT_IDX,
3677 	TX_PWR_CFG_IDX_COUNT,
3678 };
3679 
rt2800_config_txpower_rt3593(struct rt2x00_dev * rt2x00dev,struct ieee80211_channel * chan,int power_level)3680 static void rt2800_config_txpower_rt3593(struct rt2x00_dev *rt2x00dev,
3681 					 struct ieee80211_channel *chan,
3682 					 int power_level)
3683 {
3684 	u8 txpower;
3685 	u16 eeprom;
3686 	u32 regs[TX_PWR_CFG_IDX_COUNT];
3687 	unsigned int offset;
3688 	enum ieee80211_band band = chan->band;
3689 	int delta;
3690 	int i;
3691 
3692 	memset(regs, '\0', sizeof(regs));
3693 
3694 	/* TODO: adapt TX power reduction from the rt28xx code */
3695 
3696 	/* calculate temperature compensation delta */
3697 	delta = rt2800_get_gain_calibration_delta(rt2x00dev);
3698 
3699 	if (band == IEEE80211_BAND_5GHZ)
3700 		offset = 16;
3701 	else
3702 		offset = 0;
3703 
3704 	if (test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
3705 		offset += 8;
3706 
3707 	/* read the next four txpower values */
3708 	rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3709 				      offset, &eeprom);
3710 
3711 	/* CCK 1MBS,2MBS */
3712 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3713 	txpower = rt2800_compensate_txpower(rt2x00dev, 1, band, power_level,
3714 					    txpower, delta);
3715 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3716 			   TX_PWR_CFG_0_CCK1_CH0, txpower);
3717 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3718 			   TX_PWR_CFG_0_CCK1_CH1, txpower);
3719 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_EXT_IDX],
3720 			   TX_PWR_CFG_0_EXT_CCK1_CH2, txpower);
3721 
3722 	/* CCK 5.5MBS,11MBS */
3723 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3724 	txpower = rt2800_compensate_txpower(rt2x00dev, 1, band, power_level,
3725 					    txpower, delta);
3726 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3727 			   TX_PWR_CFG_0_CCK5_CH0, txpower);
3728 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3729 			   TX_PWR_CFG_0_CCK5_CH1, txpower);
3730 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_EXT_IDX],
3731 			   TX_PWR_CFG_0_EXT_CCK5_CH2, txpower);
3732 
3733 	/* OFDM 6MBS,9MBS */
3734 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
3735 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3736 					    txpower, delta);
3737 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3738 			   TX_PWR_CFG_0_OFDM6_CH0, txpower);
3739 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3740 			   TX_PWR_CFG_0_OFDM6_CH1, txpower);
3741 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_EXT_IDX],
3742 			   TX_PWR_CFG_0_EXT_OFDM6_CH2, txpower);
3743 
3744 	/* OFDM 12MBS,18MBS */
3745 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
3746 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3747 					    txpower, delta);
3748 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3749 			   TX_PWR_CFG_0_OFDM12_CH0, txpower);
3750 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_IDX],
3751 			   TX_PWR_CFG_0_OFDM12_CH1, txpower);
3752 	rt2x00_set_field32(&regs[TX_PWR_CFG_0_EXT_IDX],
3753 			   TX_PWR_CFG_0_EXT_OFDM12_CH2, txpower);
3754 
3755 	/* read the next four txpower values */
3756 	rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3757 				      offset + 1, &eeprom);
3758 
3759 	/* OFDM 24MBS,36MBS */
3760 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3761 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3762 					    txpower, delta);
3763 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3764 			   TX_PWR_CFG_1_OFDM24_CH0, txpower);
3765 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3766 			   TX_PWR_CFG_1_OFDM24_CH1, txpower);
3767 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_EXT_IDX],
3768 			   TX_PWR_CFG_1_EXT_OFDM24_CH2, txpower);
3769 
3770 	/* OFDM 48MBS */
3771 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3772 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3773 					    txpower, delta);
3774 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3775 			   TX_PWR_CFG_1_OFDM48_CH0, txpower);
3776 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3777 			   TX_PWR_CFG_1_OFDM48_CH1, txpower);
3778 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_EXT_IDX],
3779 			   TX_PWR_CFG_1_EXT_OFDM48_CH2, txpower);
3780 
3781 	/* OFDM 54MBS */
3782 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
3783 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3784 					    txpower, delta);
3785 	rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
3786 			   TX_PWR_CFG_7_OFDM54_CH0, txpower);
3787 	rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
3788 			   TX_PWR_CFG_7_OFDM54_CH1, txpower);
3789 	rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
3790 			   TX_PWR_CFG_7_OFDM54_CH2, txpower);
3791 
3792 	/* read the next four txpower values */
3793 	rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3794 				      offset + 2, &eeprom);
3795 
3796 	/* MCS 0,1 */
3797 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3798 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3799 					    txpower, delta);
3800 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3801 			   TX_PWR_CFG_1_MCS0_CH0, txpower);
3802 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3803 			   TX_PWR_CFG_1_MCS0_CH1, txpower);
3804 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_EXT_IDX],
3805 			   TX_PWR_CFG_1_EXT_MCS0_CH2, txpower);
3806 
3807 	/* MCS 2,3 */
3808 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3809 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3810 					    txpower, delta);
3811 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3812 			   TX_PWR_CFG_1_MCS2_CH0, txpower);
3813 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_IDX],
3814 			   TX_PWR_CFG_1_MCS2_CH1, txpower);
3815 	rt2x00_set_field32(&regs[TX_PWR_CFG_1_EXT_IDX],
3816 			   TX_PWR_CFG_1_EXT_MCS2_CH2, txpower);
3817 
3818 	/* MCS 4,5 */
3819 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
3820 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3821 					    txpower, delta);
3822 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3823 			   TX_PWR_CFG_2_MCS4_CH0, txpower);
3824 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3825 			   TX_PWR_CFG_2_MCS4_CH1, txpower);
3826 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_EXT_IDX],
3827 			   TX_PWR_CFG_2_EXT_MCS4_CH2, txpower);
3828 
3829 	/* MCS 6 */
3830 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
3831 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3832 					    txpower, delta);
3833 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3834 			   TX_PWR_CFG_2_MCS6_CH0, txpower);
3835 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3836 			   TX_PWR_CFG_2_MCS6_CH1, txpower);
3837 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_EXT_IDX],
3838 			   TX_PWR_CFG_2_EXT_MCS6_CH2, txpower);
3839 
3840 	/* read the next four txpower values */
3841 	rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3842 				      offset + 3, &eeprom);
3843 
3844 	/* MCS 7 */
3845 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3846 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3847 					    txpower, delta);
3848 	rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
3849 			   TX_PWR_CFG_7_MCS7_CH0, txpower);
3850 	rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
3851 			   TX_PWR_CFG_7_MCS7_CH1, txpower);
3852 	rt2x00_set_field32(&regs[TX_PWR_CFG_7_IDX],
3853 			   TX_PWR_CFG_7_MCS7_CH2, txpower);
3854 
3855 	/* MCS 8,9 */
3856 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3857 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3858 					    txpower, delta);
3859 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3860 			   TX_PWR_CFG_2_MCS8_CH0, txpower);
3861 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3862 			   TX_PWR_CFG_2_MCS8_CH1, txpower);
3863 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_EXT_IDX],
3864 			   TX_PWR_CFG_2_EXT_MCS8_CH2, txpower);
3865 
3866 	/* MCS 10,11 */
3867 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
3868 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3869 					    txpower, delta);
3870 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3871 			   TX_PWR_CFG_2_MCS10_CH0, txpower);
3872 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_IDX],
3873 			   TX_PWR_CFG_2_MCS10_CH1, txpower);
3874 	rt2x00_set_field32(&regs[TX_PWR_CFG_2_EXT_IDX],
3875 			   TX_PWR_CFG_2_EXT_MCS10_CH2, txpower);
3876 
3877 	/* MCS 12,13 */
3878 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
3879 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3880 					    txpower, delta);
3881 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3882 			   TX_PWR_CFG_3_MCS12_CH0, txpower);
3883 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3884 			   TX_PWR_CFG_3_MCS12_CH1, txpower);
3885 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_EXT_IDX],
3886 			   TX_PWR_CFG_3_EXT_MCS12_CH2, txpower);
3887 
3888 	/* read the next four txpower values */
3889 	rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3890 				      offset + 4, &eeprom);
3891 
3892 	/* MCS 14 */
3893 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3894 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3895 					    txpower, delta);
3896 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3897 			   TX_PWR_CFG_3_MCS14_CH0, txpower);
3898 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3899 			   TX_PWR_CFG_3_MCS14_CH1, txpower);
3900 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_EXT_IDX],
3901 			   TX_PWR_CFG_3_EXT_MCS14_CH2, txpower);
3902 
3903 	/* MCS 15 */
3904 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3905 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3906 					    txpower, delta);
3907 	rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
3908 			   TX_PWR_CFG_8_MCS15_CH0, txpower);
3909 	rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
3910 			   TX_PWR_CFG_8_MCS15_CH1, txpower);
3911 	rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
3912 			   TX_PWR_CFG_8_MCS15_CH2, txpower);
3913 
3914 	/* MCS 16,17 */
3915 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
3916 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3917 					    txpower, delta);
3918 	rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
3919 			   TX_PWR_CFG_5_MCS16_CH0, txpower);
3920 	rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
3921 			   TX_PWR_CFG_5_MCS16_CH1, txpower);
3922 	rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
3923 			   TX_PWR_CFG_5_MCS16_CH2, txpower);
3924 
3925 	/* MCS 18,19 */
3926 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
3927 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3928 					    txpower, delta);
3929 	rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
3930 			   TX_PWR_CFG_5_MCS18_CH0, txpower);
3931 	rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
3932 			   TX_PWR_CFG_5_MCS18_CH1, txpower);
3933 	rt2x00_set_field32(&regs[TX_PWR_CFG_5_IDX],
3934 			   TX_PWR_CFG_5_MCS18_CH2, txpower);
3935 
3936 	/* read the next four txpower values */
3937 	rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3938 				      offset + 5, &eeprom);
3939 
3940 	/* MCS 20,21 */
3941 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3942 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3943 					    txpower, delta);
3944 	rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
3945 			   TX_PWR_CFG_6_MCS20_CH0, txpower);
3946 	rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
3947 			   TX_PWR_CFG_6_MCS20_CH1, txpower);
3948 	rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
3949 			   TX_PWR_CFG_6_MCS20_CH2, txpower);
3950 
3951 	/* MCS 22 */
3952 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3953 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3954 					    txpower, delta);
3955 	rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
3956 			   TX_PWR_CFG_6_MCS22_CH0, txpower);
3957 	rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
3958 			   TX_PWR_CFG_6_MCS22_CH1, txpower);
3959 	rt2x00_set_field32(&regs[TX_PWR_CFG_6_IDX],
3960 			   TX_PWR_CFG_6_MCS22_CH2, txpower);
3961 
3962 	/* MCS 23 */
3963 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
3964 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3965 					    txpower, delta);
3966 	rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
3967 			   TX_PWR_CFG_8_MCS23_CH0, txpower);
3968 	rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
3969 			   TX_PWR_CFG_8_MCS23_CH1, txpower);
3970 	rt2x00_set_field32(&regs[TX_PWR_CFG_8_IDX],
3971 			   TX_PWR_CFG_8_MCS23_CH2, txpower);
3972 
3973 	/* read the next four txpower values */
3974 	rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
3975 				      offset + 6, &eeprom);
3976 
3977 	/* STBC, MCS 0,1 */
3978 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
3979 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3980 					    txpower, delta);
3981 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3982 			   TX_PWR_CFG_3_STBC0_CH0, txpower);
3983 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3984 			   TX_PWR_CFG_3_STBC0_CH1, txpower);
3985 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_EXT_IDX],
3986 			   TX_PWR_CFG_3_EXT_STBC0_CH2, txpower);
3987 
3988 	/* STBC, MCS 2,3 */
3989 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE1);
3990 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
3991 					    txpower, delta);
3992 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3993 			   TX_PWR_CFG_3_STBC2_CH0, txpower);
3994 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_IDX],
3995 			   TX_PWR_CFG_3_STBC2_CH1, txpower);
3996 	rt2x00_set_field32(&regs[TX_PWR_CFG_3_EXT_IDX],
3997 			   TX_PWR_CFG_3_EXT_STBC2_CH2, txpower);
3998 
3999 	/* STBC, MCS 4,5 */
4000 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE2);
4001 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4002 					    txpower, delta);
4003 	rt2x00_set_field32(&regs[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE0, txpower);
4004 	rt2x00_set_field32(&regs[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE1, txpower);
4005 	rt2x00_set_field32(&regs[TX_PWR_CFG_4_EXT_IDX], TX_PWR_CFG_RATE0,
4006 			   txpower);
4007 
4008 	/* STBC, MCS 6 */
4009 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE3);
4010 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4011 					    txpower, delta);
4012 	rt2x00_set_field32(&regs[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE2, txpower);
4013 	rt2x00_set_field32(&regs[TX_PWR_CFG_4_IDX], TX_PWR_CFG_RATE3, txpower);
4014 	rt2x00_set_field32(&regs[TX_PWR_CFG_4_EXT_IDX], TX_PWR_CFG_RATE2,
4015 			   txpower);
4016 
4017 	/* read the next four txpower values */
4018 	rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4019 				      offset + 7, &eeprom);
4020 
4021 	/* STBC, MCS 7 */
4022 	txpower = rt2x00_get_field16(eeprom, EEPROM_TXPOWER_BYRATE_RATE0);
4023 	txpower = rt2800_compensate_txpower(rt2x00dev, 0, band, power_level,
4024 					    txpower, delta);
4025 	rt2x00_set_field32(&regs[TX_PWR_CFG_9_IDX],
4026 			   TX_PWR_CFG_9_STBC7_CH0, txpower);
4027 	rt2x00_set_field32(&regs[TX_PWR_CFG_9_IDX],
4028 			   TX_PWR_CFG_9_STBC7_CH1, txpower);
4029 	rt2x00_set_field32(&regs[TX_PWR_CFG_9_IDX],
4030 			   TX_PWR_CFG_9_STBC7_CH2, txpower);
4031 
4032 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_0, regs[TX_PWR_CFG_0_IDX]);
4033 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_1, regs[TX_PWR_CFG_1_IDX]);
4034 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_2, regs[TX_PWR_CFG_2_IDX]);
4035 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_3, regs[TX_PWR_CFG_3_IDX]);
4036 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_4, regs[TX_PWR_CFG_4_IDX]);
4037 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_5, regs[TX_PWR_CFG_5_IDX]);
4038 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_6, regs[TX_PWR_CFG_6_IDX]);
4039 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_7, regs[TX_PWR_CFG_7_IDX]);
4040 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_8, regs[TX_PWR_CFG_8_IDX]);
4041 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_9, regs[TX_PWR_CFG_9_IDX]);
4042 
4043 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_0_EXT,
4044 			      regs[TX_PWR_CFG_0_EXT_IDX]);
4045 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_1_EXT,
4046 			      regs[TX_PWR_CFG_1_EXT_IDX]);
4047 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_2_EXT,
4048 			      regs[TX_PWR_CFG_2_EXT_IDX]);
4049 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_3_EXT,
4050 			      regs[TX_PWR_CFG_3_EXT_IDX]);
4051 	rt2800_register_write(rt2x00dev, TX_PWR_CFG_4_EXT,
4052 			      regs[TX_PWR_CFG_4_EXT_IDX]);
4053 
4054 	for (i = 0; i < TX_PWR_CFG_IDX_COUNT; i++)
4055 		rt2x00_dbg(rt2x00dev,
4056 			   "band:%cGHz, BW:%c0MHz, TX_PWR_CFG_%d%s = %08lx\n",
4057 			   (band == IEEE80211_BAND_5GHZ) ? '5' : '2',
4058 			   (test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags)) ?
4059 								'4' : '2',
4060 			   (i > TX_PWR_CFG_9_IDX) ?
4061 					(i - TX_PWR_CFG_9_IDX - 1) : i,
4062 			   (i > TX_PWR_CFG_9_IDX) ? "_EXT" : "",
4063 			   (unsigned long) regs[i]);
4064 }
4065 
4066 /*
4067  * We configure transmit power using MAC TX_PWR_CFG_{0,...,N} registers and
4068  * BBP R1 register. TX_PWR_CFG_X allow to configure per rate TX power values,
4069  * 4 bits for each rate (tune from 0 to 15 dBm). BBP_R1 controls transmit power
4070  * for all rates, but allow to set only 4 discrete values: -12, -6, 0 and 6 dBm.
4071  * Reference per rate transmit power values are located in the EEPROM at
4072  * EEPROM_TXPOWER_BYRATE offset. We adjust them and BBP R1 settings according to
4073  * current conditions (i.e. band, bandwidth, temperature, user settings).
4074  */
rt2800_config_txpower_rt28xx(struct rt2x00_dev * rt2x00dev,struct ieee80211_channel * chan,int power_level)4075 static void rt2800_config_txpower_rt28xx(struct rt2x00_dev *rt2x00dev,
4076 					 struct ieee80211_channel *chan,
4077 					 int power_level)
4078 {
4079 	u8 txpower, r1;
4080 	u16 eeprom;
4081 	u32 reg, offset;
4082 	int i, is_rate_b, delta, power_ctrl;
4083 	enum ieee80211_band band = chan->band;
4084 
4085 	/*
4086 	 * Calculate HT40 compensation. For 40MHz we need to add or subtract
4087 	 * value read from EEPROM (different for 2GHz and for 5GHz).
4088 	 */
4089 	delta = rt2800_get_txpower_bw_comp(rt2x00dev, band);
4090 
4091 	/*
4092 	 * Calculate temperature compensation. Depends on measurement of current
4093 	 * TSSI (Transmitter Signal Strength Indication) we know TX power (due
4094 	 * to temperature or maybe other factors) is smaller or bigger than
4095 	 * expected. We adjust it, based on TSSI reference and boundaries values
4096 	 * provided in EEPROM.
4097 	 */
4098 	switch (rt2x00dev->chip.rt) {
4099 	case RT2860:
4100 	case RT2872:
4101 	case RT2883:
4102 	case RT3070:
4103 	case RT3071:
4104 	case RT3090:
4105 	case RT3572:
4106 		delta += rt2800_get_gain_calibration_delta(rt2x00dev);
4107 		break;
4108 	default:
4109 		/* TODO: temperature compensation code for other chips. */
4110 		break;
4111 	}
4112 
4113 	/*
4114 	 * Decrease power according to user settings, on devices with unknown
4115 	 * maximum tx power. For other devices we take user power_level into
4116 	 * consideration on rt2800_compensate_txpower().
4117 	 */
4118 	delta += rt2800_get_txpower_reg_delta(rt2x00dev, power_level,
4119 					      chan->max_power);
4120 
4121 	/*
4122 	 * BBP_R1 controls TX power for all rates, it allow to set the following
4123 	 * gains -12, -6, 0, +6 dBm by setting values 2, 1, 0, 3 respectively.
4124 	 *
4125 	 * TODO: we do not use +6 dBm option to do not increase power beyond
4126 	 * regulatory limit, however this could be utilized for devices with
4127 	 * CAPABILITY_POWER_LIMIT.
4128 	 */
4129 	if (delta <= -12) {
4130 		power_ctrl = 2;
4131 		delta += 12;
4132 	} else if (delta <= -6) {
4133 		power_ctrl = 1;
4134 		delta += 6;
4135 	} else {
4136 		power_ctrl = 0;
4137 	}
4138 	rt2800_bbp_read(rt2x00dev, 1, &r1);
4139 	rt2x00_set_field8(&r1, BBP1_TX_POWER_CTRL, power_ctrl);
4140 	rt2800_bbp_write(rt2x00dev, 1, r1);
4141 
4142 	offset = TX_PWR_CFG_0;
4143 
4144 	for (i = 0; i < EEPROM_TXPOWER_BYRATE_SIZE; i += 2) {
4145 		/* just to be safe */
4146 		if (offset > TX_PWR_CFG_4)
4147 			break;
4148 
4149 		rt2800_register_read(rt2x00dev, offset, &reg);
4150 
4151 		/* read the next four txpower values */
4152 		rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4153 					      i, &eeprom);
4154 
4155 		is_rate_b = i ? 0 : 1;
4156 		/*
4157 		 * TX_PWR_CFG_0: 1MBS, TX_PWR_CFG_1: 24MBS,
4158 		 * TX_PWR_CFG_2: MCS4, TX_PWR_CFG_3: MCS12,
4159 		 * TX_PWR_CFG_4: unknown
4160 		 */
4161 		txpower = rt2x00_get_field16(eeprom,
4162 					     EEPROM_TXPOWER_BYRATE_RATE0);
4163 		txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4164 					     power_level, txpower, delta);
4165 		rt2x00_set_field32(&reg, TX_PWR_CFG_RATE0, txpower);
4166 
4167 		/*
4168 		 * TX_PWR_CFG_0: 2MBS, TX_PWR_CFG_1: 36MBS,
4169 		 * TX_PWR_CFG_2: MCS5, TX_PWR_CFG_3: MCS13,
4170 		 * TX_PWR_CFG_4: unknown
4171 		 */
4172 		txpower = rt2x00_get_field16(eeprom,
4173 					     EEPROM_TXPOWER_BYRATE_RATE1);
4174 		txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4175 					     power_level, txpower, delta);
4176 		rt2x00_set_field32(&reg, TX_PWR_CFG_RATE1, txpower);
4177 
4178 		/*
4179 		 * TX_PWR_CFG_0: 5.5MBS, TX_PWR_CFG_1: 48MBS,
4180 		 * TX_PWR_CFG_2: MCS6,  TX_PWR_CFG_3: MCS14,
4181 		 * TX_PWR_CFG_4: unknown
4182 		 */
4183 		txpower = rt2x00_get_field16(eeprom,
4184 					     EEPROM_TXPOWER_BYRATE_RATE2);
4185 		txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4186 					     power_level, txpower, delta);
4187 		rt2x00_set_field32(&reg, TX_PWR_CFG_RATE2, txpower);
4188 
4189 		/*
4190 		 * TX_PWR_CFG_0: 11MBS, TX_PWR_CFG_1: 54MBS,
4191 		 * TX_PWR_CFG_2: MCS7,  TX_PWR_CFG_3: MCS15,
4192 		 * TX_PWR_CFG_4: unknown
4193 		 */
4194 		txpower = rt2x00_get_field16(eeprom,
4195 					     EEPROM_TXPOWER_BYRATE_RATE3);
4196 		txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4197 					     power_level, txpower, delta);
4198 		rt2x00_set_field32(&reg, TX_PWR_CFG_RATE3, txpower);
4199 
4200 		/* read the next four txpower values */
4201 		rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_TXPOWER_BYRATE,
4202 					      i + 1, &eeprom);
4203 
4204 		is_rate_b = 0;
4205 		/*
4206 		 * TX_PWR_CFG_0: 6MBS, TX_PWR_CFG_1: MCS0,
4207 		 * TX_PWR_CFG_2: MCS8, TX_PWR_CFG_3: unknown,
4208 		 * TX_PWR_CFG_4: unknown
4209 		 */
4210 		txpower = rt2x00_get_field16(eeprom,
4211 					     EEPROM_TXPOWER_BYRATE_RATE0);
4212 		txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4213 					     power_level, txpower, delta);
4214 		rt2x00_set_field32(&reg, TX_PWR_CFG_RATE4, txpower);
4215 
4216 		/*
4217 		 * TX_PWR_CFG_0: 9MBS, TX_PWR_CFG_1: MCS1,
4218 		 * TX_PWR_CFG_2: MCS9, TX_PWR_CFG_3: unknown,
4219 		 * TX_PWR_CFG_4: unknown
4220 		 */
4221 		txpower = rt2x00_get_field16(eeprom,
4222 					     EEPROM_TXPOWER_BYRATE_RATE1);
4223 		txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4224 					     power_level, txpower, delta);
4225 		rt2x00_set_field32(&reg, TX_PWR_CFG_RATE5, txpower);
4226 
4227 		/*
4228 		 * TX_PWR_CFG_0: 12MBS, TX_PWR_CFG_1: MCS2,
4229 		 * TX_PWR_CFG_2: MCS10, TX_PWR_CFG_3: unknown,
4230 		 * TX_PWR_CFG_4: unknown
4231 		 */
4232 		txpower = rt2x00_get_field16(eeprom,
4233 					     EEPROM_TXPOWER_BYRATE_RATE2);
4234 		txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4235 					     power_level, txpower, delta);
4236 		rt2x00_set_field32(&reg, TX_PWR_CFG_RATE6, txpower);
4237 
4238 		/*
4239 		 * TX_PWR_CFG_0: 18MBS, TX_PWR_CFG_1: MCS3,
4240 		 * TX_PWR_CFG_2: MCS11, TX_PWR_CFG_3: unknown,
4241 		 * TX_PWR_CFG_4: unknown
4242 		 */
4243 		txpower = rt2x00_get_field16(eeprom,
4244 					     EEPROM_TXPOWER_BYRATE_RATE3);
4245 		txpower = rt2800_compensate_txpower(rt2x00dev, is_rate_b, band,
4246 					     power_level, txpower, delta);
4247 		rt2x00_set_field32(&reg, TX_PWR_CFG_RATE7, txpower);
4248 
4249 		rt2800_register_write(rt2x00dev, offset, reg);
4250 
4251 		/* next TX_PWR_CFG register */
4252 		offset += 4;
4253 	}
4254 }
4255 
rt2800_config_txpower(struct rt2x00_dev * rt2x00dev,struct ieee80211_channel * chan,int power_level)4256 static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev,
4257 				  struct ieee80211_channel *chan,
4258 				  int power_level)
4259 {
4260 	if (rt2x00_rt(rt2x00dev, RT3593))
4261 		rt2800_config_txpower_rt3593(rt2x00dev, chan, power_level);
4262 	else
4263 		rt2800_config_txpower_rt28xx(rt2x00dev, chan, power_level);
4264 }
4265 
rt2800_gain_calibration(struct rt2x00_dev * rt2x00dev)4266 void rt2800_gain_calibration(struct rt2x00_dev *rt2x00dev)
4267 {
4268 	rt2800_config_txpower(rt2x00dev, rt2x00dev->hw->conf.chandef.chan,
4269 			      rt2x00dev->tx_power);
4270 }
4271 EXPORT_SYMBOL_GPL(rt2800_gain_calibration);
4272 
rt2800_vco_calibration(struct rt2x00_dev * rt2x00dev)4273 void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev)
4274 {
4275 	u32	tx_pin;
4276 	u8	rfcsr;
4277 
4278 	/*
4279 	 * A voltage-controlled oscillator(VCO) is an electronic oscillator
4280 	 * designed to be controlled in oscillation frequency by a voltage
4281 	 * input. Maybe the temperature will affect the frequency of
4282 	 * oscillation to be shifted. The VCO calibration will be called
4283 	 * periodically to adjust the frequency to be precision.
4284 	*/
4285 
4286 	rt2800_register_read(rt2x00dev, TX_PIN_CFG, &tx_pin);
4287 	tx_pin &= TX_PIN_CFG_PA_PE_DISABLE;
4288 	rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
4289 
4290 	switch (rt2x00dev->chip.rf) {
4291 	case RF2020:
4292 	case RF3020:
4293 	case RF3021:
4294 	case RF3022:
4295 	case RF3320:
4296 	case RF3052:
4297 		rt2800_rfcsr_read(rt2x00dev, 7, &rfcsr);
4298 		rt2x00_set_field8(&rfcsr, RFCSR7_RF_TUNING, 1);
4299 		rt2800_rfcsr_write(rt2x00dev, 7, rfcsr);
4300 		break;
4301 	case RF3053:
4302 	case RF3070:
4303 	case RF3290:
4304 	case RF5360:
4305 	case RF5362:
4306 	case RF5370:
4307 	case RF5372:
4308 	case RF5390:
4309 	case RF5392:
4310 		rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr);
4311 		rt2x00_set_field8(&rfcsr, RFCSR3_VCOCAL_EN, 1);
4312 		rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
4313 		break;
4314 	default:
4315 		return;
4316 	}
4317 
4318 	mdelay(1);
4319 
4320 	rt2800_register_read(rt2x00dev, TX_PIN_CFG, &tx_pin);
4321 	if (rt2x00dev->rf_channel <= 14) {
4322 		switch (rt2x00dev->default_ant.tx_chain_num) {
4323 		case 3:
4324 			rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G2_EN, 1);
4325 			/* fall through */
4326 		case 2:
4327 			rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G1_EN, 1);
4328 			/* fall through */
4329 		case 1:
4330 		default:
4331 			rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_G0_EN, 1);
4332 			break;
4333 		}
4334 	} else {
4335 		switch (rt2x00dev->default_ant.tx_chain_num) {
4336 		case 3:
4337 			rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A2_EN, 1);
4338 			/* fall through */
4339 		case 2:
4340 			rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A1_EN, 1);
4341 			/* fall through */
4342 		case 1:
4343 		default:
4344 			rt2x00_set_field32(&tx_pin, TX_PIN_CFG_PA_PE_A0_EN, 1);
4345 			break;
4346 		}
4347 	}
4348 	rt2800_register_write(rt2x00dev, TX_PIN_CFG, tx_pin);
4349 
4350 }
4351 EXPORT_SYMBOL_GPL(rt2800_vco_calibration);
4352 
rt2800_config_retry_limit(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_conf * libconf)4353 static void rt2800_config_retry_limit(struct rt2x00_dev *rt2x00dev,
4354 				      struct rt2x00lib_conf *libconf)
4355 {
4356 	u32 reg;
4357 
4358 	rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
4359 	rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT,
4360 			   libconf->conf->short_frame_max_tx_count);
4361 	rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT,
4362 			   libconf->conf->long_frame_max_tx_count);
4363 	rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
4364 }
4365 
rt2800_config_ps(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_conf * libconf)4366 static void rt2800_config_ps(struct rt2x00_dev *rt2x00dev,
4367 			     struct rt2x00lib_conf *libconf)
4368 {
4369 	enum dev_state state =
4370 	    (libconf->conf->flags & IEEE80211_CONF_PS) ?
4371 		STATE_SLEEP : STATE_AWAKE;
4372 	u32 reg;
4373 
4374 	if (state == STATE_SLEEP) {
4375 		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, 0);
4376 
4377 		rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
4378 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 5);
4379 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE,
4380 				   libconf->conf->listen_interval - 1);
4381 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 1);
4382 		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
4383 
4384 		rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
4385 	} else {
4386 		rt2800_register_read(rt2x00dev, AUTOWAKEUP_CFG, &reg);
4387 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTO_LEAD_TIME, 0);
4388 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_TBCN_BEFORE_WAKE, 0);
4389 		rt2x00_set_field32(&reg, AUTOWAKEUP_CFG_AUTOWAKE, 0);
4390 		rt2800_register_write(rt2x00dev, AUTOWAKEUP_CFG, reg);
4391 
4392 		rt2x00dev->ops->lib->set_device_state(rt2x00dev, state);
4393 	}
4394 }
4395 
rt2800_config(struct rt2x00_dev * rt2x00dev,struct rt2x00lib_conf * libconf,const unsigned int flags)4396 void rt2800_config(struct rt2x00_dev *rt2x00dev,
4397 		   struct rt2x00lib_conf *libconf,
4398 		   const unsigned int flags)
4399 {
4400 	/* Always recalculate LNA gain before changing configuration */
4401 	rt2800_config_lna_gain(rt2x00dev, libconf);
4402 
4403 	if (flags & IEEE80211_CONF_CHANGE_CHANNEL) {
4404 		rt2800_config_channel(rt2x00dev, libconf->conf,
4405 				      &libconf->rf, &libconf->channel);
4406 		rt2800_config_txpower(rt2x00dev, libconf->conf->chandef.chan,
4407 				      libconf->conf->power_level);
4408 	}
4409 	if (flags & IEEE80211_CONF_CHANGE_POWER)
4410 		rt2800_config_txpower(rt2x00dev, libconf->conf->chandef.chan,
4411 				      libconf->conf->power_level);
4412 	if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
4413 		rt2800_config_retry_limit(rt2x00dev, libconf);
4414 	if (flags & IEEE80211_CONF_CHANGE_PS)
4415 		rt2800_config_ps(rt2x00dev, libconf);
4416 }
4417 EXPORT_SYMBOL_GPL(rt2800_config);
4418 
4419 /*
4420  * Link tuning
4421  */
rt2800_link_stats(struct rt2x00_dev * rt2x00dev,struct link_qual * qual)4422 void rt2800_link_stats(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
4423 {
4424 	u32 reg;
4425 
4426 	/*
4427 	 * Update FCS error count from register.
4428 	 */
4429 	rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
4430 	qual->rx_failed = rt2x00_get_field32(reg, RX_STA_CNT0_CRC_ERR);
4431 }
4432 EXPORT_SYMBOL_GPL(rt2800_link_stats);
4433 
rt2800_get_default_vgc(struct rt2x00_dev * rt2x00dev)4434 static u8 rt2800_get_default_vgc(struct rt2x00_dev *rt2x00dev)
4435 {
4436 	u8 vgc;
4437 
4438 	if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
4439 		if (rt2x00_rt(rt2x00dev, RT3070) ||
4440 		    rt2x00_rt(rt2x00dev, RT3071) ||
4441 		    rt2x00_rt(rt2x00dev, RT3090) ||
4442 		    rt2x00_rt(rt2x00dev, RT3290) ||
4443 		    rt2x00_rt(rt2x00dev, RT3390) ||
4444 		    rt2x00_rt(rt2x00dev, RT3572) ||
4445 		    rt2x00_rt(rt2x00dev, RT3593) ||
4446 		    rt2x00_rt(rt2x00dev, RT5390) ||
4447 		    rt2x00_rt(rt2x00dev, RT5392) ||
4448 		    rt2x00_rt(rt2x00dev, RT5592))
4449 			vgc = 0x1c + (2 * rt2x00dev->lna_gain);
4450 		else
4451 			vgc = 0x2e + rt2x00dev->lna_gain;
4452 	} else { /* 5GHZ band */
4453 		if (rt2x00_rt(rt2x00dev, RT3593))
4454 			vgc = 0x20 + (rt2x00dev->lna_gain * 5) / 3;
4455 		else if (rt2x00_rt(rt2x00dev, RT5592))
4456 			vgc = 0x24 + (2 * rt2x00dev->lna_gain);
4457 		else {
4458 			if (!test_bit(CONFIG_CHANNEL_HT40, &rt2x00dev->flags))
4459 				vgc = 0x32 + (rt2x00dev->lna_gain * 5) / 3;
4460 			else
4461 				vgc = 0x3a + (rt2x00dev->lna_gain * 5) / 3;
4462 		}
4463 	}
4464 
4465 	return vgc;
4466 }
4467 
rt2800_set_vgc(struct rt2x00_dev * rt2x00dev,struct link_qual * qual,u8 vgc_level)4468 static inline void rt2800_set_vgc(struct rt2x00_dev *rt2x00dev,
4469 				  struct link_qual *qual, u8 vgc_level)
4470 {
4471 	if (qual->vgc_level != vgc_level) {
4472 		if (rt2x00_rt(rt2x00dev, RT3572) ||
4473 		    rt2x00_rt(rt2x00dev, RT3593)) {
4474 			rt2800_bbp_write_with_rx_chain(rt2x00dev, 66,
4475 						       vgc_level);
4476 		} else if (rt2x00_rt(rt2x00dev, RT5592)) {
4477 			rt2800_bbp_write(rt2x00dev, 83, qual->rssi > -65 ? 0x4a : 0x7a);
4478 			rt2800_bbp_write_with_rx_chain(rt2x00dev, 66, vgc_level);
4479 		} else {
4480 			rt2800_bbp_write(rt2x00dev, 66, vgc_level);
4481 		}
4482 
4483 		qual->vgc_level = vgc_level;
4484 		qual->vgc_level_reg = vgc_level;
4485 	}
4486 }
4487 
rt2800_reset_tuner(struct rt2x00_dev * rt2x00dev,struct link_qual * qual)4488 void rt2800_reset_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual)
4489 {
4490 	rt2800_set_vgc(rt2x00dev, qual, rt2800_get_default_vgc(rt2x00dev));
4491 }
4492 EXPORT_SYMBOL_GPL(rt2800_reset_tuner);
4493 
rt2800_link_tuner(struct rt2x00_dev * rt2x00dev,struct link_qual * qual,const u32 count)4494 void rt2800_link_tuner(struct rt2x00_dev *rt2x00dev, struct link_qual *qual,
4495 		       const u32 count)
4496 {
4497 	u8 vgc;
4498 
4499 	if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C))
4500 		return;
4501 
4502 	/* When RSSI is better than a certain threshold, increase VGC
4503 	 * with a chip specific value in order to improve the balance
4504 	 * between sensibility and noise isolation.
4505 	 */
4506 
4507 	vgc = rt2800_get_default_vgc(rt2x00dev);
4508 
4509 	switch (rt2x00dev->chip.rt) {
4510 	case RT3572:
4511 	case RT3593:
4512 		if (qual->rssi > -65) {
4513 			if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ)
4514 				vgc += 0x20;
4515 			else
4516 				vgc += 0x10;
4517 		}
4518 		break;
4519 
4520 	case RT5592:
4521 		if (qual->rssi > -65)
4522 			vgc += 0x20;
4523 		break;
4524 
4525 	default:
4526 		if (qual->rssi > -80)
4527 			vgc += 0x10;
4528 		break;
4529 	}
4530 
4531 	rt2800_set_vgc(rt2x00dev, qual, vgc);
4532 }
4533 EXPORT_SYMBOL_GPL(rt2800_link_tuner);
4534 
4535 /*
4536  * Initialization functions.
4537  */
rt2800_init_registers(struct rt2x00_dev * rt2x00dev)4538 static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
4539 {
4540 	u32 reg;
4541 	u16 eeprom;
4542 	unsigned int i;
4543 	int ret;
4544 
4545 	rt2800_disable_wpdma(rt2x00dev);
4546 
4547 	ret = rt2800_drv_init_registers(rt2x00dev);
4548 	if (ret)
4549 		return ret;
4550 
4551 	rt2800_register_write(rt2x00dev, LEGACY_BASIC_RATE, 0x0000013f);
4552 	rt2800_register_write(rt2x00dev, HT_BASIC_RATE, 0x00008003);
4553 
4554 	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, 0x00000000);
4555 
4556 	rt2800_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
4557 	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_INTERVAL, 1600);
4558 	rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
4559 	rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_SYNC, 0);
4560 	rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
4561 	rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
4562 	rt2x00_set_field32(&reg, BCN_TIME_CFG_TX_TIME_COMPENSATE, 0);
4563 	rt2800_register_write(rt2x00dev, BCN_TIME_CFG, reg);
4564 
4565 	rt2800_config_filter(rt2x00dev, FIF_ALLMULTI);
4566 
4567 	rt2800_register_read(rt2x00dev, BKOFF_SLOT_CFG, &reg);
4568 	rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_SLOT_TIME, 9);
4569 	rt2x00_set_field32(&reg, BKOFF_SLOT_CFG_CC_DELAY_TIME, 2);
4570 	rt2800_register_write(rt2x00dev, BKOFF_SLOT_CFG, reg);
4571 
4572 	if (rt2x00_rt(rt2x00dev, RT3290)) {
4573 		rt2800_register_read(rt2x00dev, WLAN_FUN_CTRL, &reg);
4574 		if (rt2x00_get_field32(reg, WLAN_EN) == 1) {
4575 			rt2x00_set_field32(&reg, PCIE_APP0_CLK_REQ, 1);
4576 			rt2800_register_write(rt2x00dev, WLAN_FUN_CTRL, reg);
4577 		}
4578 
4579 		rt2800_register_read(rt2x00dev, CMB_CTRL, &reg);
4580 		if (!(rt2x00_get_field32(reg, LDO0_EN) == 1)) {
4581 			rt2x00_set_field32(&reg, LDO0_EN, 1);
4582 			rt2x00_set_field32(&reg, LDO_BGSEL, 3);
4583 			rt2800_register_write(rt2x00dev, CMB_CTRL, reg);
4584 		}
4585 
4586 		rt2800_register_read(rt2x00dev, OSC_CTRL, &reg);
4587 		rt2x00_set_field32(&reg, OSC_ROSC_EN, 1);
4588 		rt2x00_set_field32(&reg, OSC_CAL_REQ, 1);
4589 		rt2x00_set_field32(&reg, OSC_REF_CYCLE, 0x27);
4590 		rt2800_register_write(rt2x00dev, OSC_CTRL, reg);
4591 
4592 		rt2800_register_read(rt2x00dev, COEX_CFG0, &reg);
4593 		rt2x00_set_field32(&reg, COEX_CFG_ANT, 0x5e);
4594 		rt2800_register_write(rt2x00dev, COEX_CFG0, reg);
4595 
4596 		rt2800_register_read(rt2x00dev, COEX_CFG2, &reg);
4597 		rt2x00_set_field32(&reg, BT_COEX_CFG1, 0x00);
4598 		rt2x00_set_field32(&reg, BT_COEX_CFG0, 0x17);
4599 		rt2x00_set_field32(&reg, WL_COEX_CFG1, 0x93);
4600 		rt2x00_set_field32(&reg, WL_COEX_CFG0, 0x7f);
4601 		rt2800_register_write(rt2x00dev, COEX_CFG2, reg);
4602 
4603 		rt2800_register_read(rt2x00dev, PLL_CTRL, &reg);
4604 		rt2x00_set_field32(&reg, PLL_CONTROL, 1);
4605 		rt2800_register_write(rt2x00dev, PLL_CTRL, reg);
4606 	}
4607 
4608 	if (rt2x00_rt(rt2x00dev, RT3071) ||
4609 	    rt2x00_rt(rt2x00dev, RT3090) ||
4610 	    rt2x00_rt(rt2x00dev, RT3290) ||
4611 	    rt2x00_rt(rt2x00dev, RT3390)) {
4612 
4613 		if (rt2x00_rt(rt2x00dev, RT3290))
4614 			rt2800_register_write(rt2x00dev, TX_SW_CFG0,
4615 					      0x00000404);
4616 		else
4617 			rt2800_register_write(rt2x00dev, TX_SW_CFG0,
4618 					      0x00000400);
4619 
4620 		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
4621 		if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
4622 		    rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
4623 		    rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
4624 			rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1,
4625 					   &eeprom);
4626 			if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
4627 				rt2800_register_write(rt2x00dev, TX_SW_CFG2,
4628 						      0x0000002c);
4629 			else
4630 				rt2800_register_write(rt2x00dev, TX_SW_CFG2,
4631 						      0x0000000f);
4632 		} else {
4633 			rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
4634 		}
4635 	} else if (rt2x00_rt(rt2x00dev, RT3070)) {
4636 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
4637 
4638 		if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
4639 			rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
4640 			rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x0000002c);
4641 		} else {
4642 			rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
4643 			rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
4644 		}
4645 	} else if (rt2800_is_305x_soc(rt2x00dev)) {
4646 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
4647 		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
4648 		rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000030);
4649 	} else if (rt2x00_rt(rt2x00dev, RT3352)) {
4650 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402);
4651 		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
4652 		rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
4653 	} else if (rt2x00_rt(rt2x00dev, RT3572)) {
4654 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000400);
4655 		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
4656 	} else if (rt2x00_rt(rt2x00dev, RT3593)) {
4657 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000402);
4658 		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00000000);
4659 		if (rt2x00_rt_rev_lt(rt2x00dev, RT3593, REV_RT3593E)) {
4660 			rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1,
4661 					   &eeprom);
4662 			if (rt2x00_get_field16(eeprom,
4663 					       EEPROM_NIC_CONF1_DAC_TEST))
4664 				rt2800_register_write(rt2x00dev, TX_SW_CFG2,
4665 						      0x0000001f);
4666 			else
4667 				rt2800_register_write(rt2x00dev, TX_SW_CFG2,
4668 						      0x0000000f);
4669 		} else {
4670 			rt2800_register_write(rt2x00dev, TX_SW_CFG2,
4671 					      0x00000000);
4672 		}
4673 	} else if (rt2x00_rt(rt2x00dev, RT5390) ||
4674 		   rt2x00_rt(rt2x00dev, RT5392) ||
4675 		   rt2x00_rt(rt2x00dev, RT5592)) {
4676 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000404);
4677 		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
4678 		rt2800_register_write(rt2x00dev, TX_SW_CFG2, 0x00000000);
4679 	} else {
4680 		rt2800_register_write(rt2x00dev, TX_SW_CFG0, 0x00000000);
4681 		rt2800_register_write(rt2x00dev, TX_SW_CFG1, 0x00080606);
4682 	}
4683 
4684 	rt2800_register_read(rt2x00dev, TX_LINK_CFG, &reg);
4685 	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB_LIFETIME, 32);
4686 	rt2x00_set_field32(&reg, TX_LINK_CFG_MFB_ENABLE, 0);
4687 	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_UMFS_ENABLE, 0);
4688 	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_MRQ_EN, 0);
4689 	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_RDG_EN, 0);
4690 	rt2x00_set_field32(&reg, TX_LINK_CFG_TX_CF_ACK_EN, 1);
4691 	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFB, 0);
4692 	rt2x00_set_field32(&reg, TX_LINK_CFG_REMOTE_MFS, 0);
4693 	rt2800_register_write(rt2x00dev, TX_LINK_CFG, reg);
4694 
4695 	rt2800_register_read(rt2x00dev, TX_TIMEOUT_CFG, &reg);
4696 	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_MPDU_LIFETIME, 9);
4697 	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_RX_ACK_TIMEOUT, 32);
4698 	rt2x00_set_field32(&reg, TX_TIMEOUT_CFG_TX_OP_TIMEOUT, 10);
4699 	rt2800_register_write(rt2x00dev, TX_TIMEOUT_CFG, reg);
4700 
4701 	rt2800_register_read(rt2x00dev, MAX_LEN_CFG, &reg);
4702 	rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_MPDU, AGGREGATION_SIZE);
4703 	if (rt2x00_rt_rev_gte(rt2x00dev, RT2872, REV_RT2872E) ||
4704 	    rt2x00_rt(rt2x00dev, RT2883) ||
4705 	    rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070E))
4706 		rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 2);
4707 	else
4708 		rt2x00_set_field32(&reg, MAX_LEN_CFG_MAX_PSDU, 1);
4709 	rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_PSDU, 0);
4710 	rt2x00_set_field32(&reg, MAX_LEN_CFG_MIN_MPDU, 0);
4711 	rt2800_register_write(rt2x00dev, MAX_LEN_CFG, reg);
4712 
4713 	rt2800_register_read(rt2x00dev, LED_CFG, &reg);
4714 	rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, 70);
4715 	rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, 30);
4716 	rt2x00_set_field32(&reg, LED_CFG_SLOW_BLINK_PERIOD, 3);
4717 	rt2x00_set_field32(&reg, LED_CFG_R_LED_MODE, 3);
4718 	rt2x00_set_field32(&reg, LED_CFG_G_LED_MODE, 3);
4719 	rt2x00_set_field32(&reg, LED_CFG_Y_LED_MODE, 3);
4720 	rt2x00_set_field32(&reg, LED_CFG_LED_POLAR, 1);
4721 	rt2800_register_write(rt2x00dev, LED_CFG, reg);
4722 
4723 	rt2800_register_write(rt2x00dev, PBF_MAX_PCNT, 0x1f3fbf9f);
4724 
4725 	rt2800_register_read(rt2x00dev, TX_RTY_CFG, &reg);
4726 	rt2x00_set_field32(&reg, TX_RTY_CFG_SHORT_RTY_LIMIT, 15);
4727 	rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_LIMIT, 31);
4728 	rt2x00_set_field32(&reg, TX_RTY_CFG_LONG_RTY_THRE, 2000);
4729 	rt2x00_set_field32(&reg, TX_RTY_CFG_NON_AGG_RTY_MODE, 0);
4730 	rt2x00_set_field32(&reg, TX_RTY_CFG_AGG_RTY_MODE, 0);
4731 	rt2x00_set_field32(&reg, TX_RTY_CFG_TX_AUTO_FB_ENABLE, 1);
4732 	rt2800_register_write(rt2x00dev, TX_RTY_CFG, reg);
4733 
4734 	rt2800_register_read(rt2x00dev, AUTO_RSP_CFG, &reg);
4735 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_AUTORESPONDER, 1);
4736 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_BAC_ACK_POLICY, 1);
4737 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MMODE, 0);
4738 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_CTS_40_MREF, 0);
4739 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_AR_PREAMBLE, 1);
4740 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_DUAL_CTS_EN, 0);
4741 	rt2x00_set_field32(&reg, AUTO_RSP_CFG_ACK_CTS_PSM_BIT, 0);
4742 	rt2800_register_write(rt2x00dev, AUTO_RSP_CFG, reg);
4743 
4744 	rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
4745 	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_RATE, 3);
4746 	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_CTRL, 0);
4747 	rt2x00_set_field32(&reg, CCK_PROT_CFG_PROTECT_NAV_SHORT, 1);
4748 	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_CCK, 1);
4749 	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
4750 	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM20, 1);
4751 	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_MM40, 0);
4752 	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF20, 1);
4753 	rt2x00_set_field32(&reg, CCK_PROT_CFG_TX_OP_ALLOW_GF40, 0);
4754 	rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, 1);
4755 	rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
4756 
4757 	rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
4758 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_RATE, 3);
4759 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_CTRL, 0);
4760 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_PROTECT_NAV_SHORT, 1);
4761 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_CCK, 1);
4762 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
4763 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM20, 1);
4764 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_MM40, 0);
4765 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF20, 1);
4766 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_TX_OP_ALLOW_GF40, 0);
4767 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, 1);
4768 	rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
4769 
4770 	rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
4771 	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_RATE, 0x4004);
4772 	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_CTRL, 0);
4773 	rt2x00_set_field32(&reg, MM20_PROT_CFG_PROTECT_NAV_SHORT, 1);
4774 	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
4775 	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
4776 	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
4777 	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
4778 	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
4779 	rt2x00_set_field32(&reg, MM20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
4780 	rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, 0);
4781 	rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
4782 
4783 	rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
4784 	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_RATE, 0x4084);
4785 	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_CTRL, 0);
4786 	rt2x00_set_field32(&reg, MM40_PROT_CFG_PROTECT_NAV_SHORT, 1);
4787 	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
4788 	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
4789 	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
4790 	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
4791 	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
4792 	rt2x00_set_field32(&reg, MM40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
4793 	rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, 0);
4794 	rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
4795 
4796 	rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
4797 	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_RATE, 0x4004);
4798 	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_CTRL, 0);
4799 	rt2x00_set_field32(&reg, GF20_PROT_CFG_PROTECT_NAV_SHORT, 1);
4800 	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_CCK, 1);
4801 	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
4802 	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM20, 1);
4803 	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_MM40, 0);
4804 	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF20, 1);
4805 	rt2x00_set_field32(&reg, GF20_PROT_CFG_TX_OP_ALLOW_GF40, 0);
4806 	rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, 0);
4807 	rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
4808 
4809 	rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
4810 	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_RATE, 0x4084);
4811 	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_CTRL, 0);
4812 	rt2x00_set_field32(&reg, GF40_PROT_CFG_PROTECT_NAV_SHORT, 1);
4813 	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_CCK, 1);
4814 	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_OFDM, 1);
4815 	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM20, 1);
4816 	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_MM40, 1);
4817 	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF20, 1);
4818 	rt2x00_set_field32(&reg, GF40_PROT_CFG_TX_OP_ALLOW_GF40, 1);
4819 	rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, 0);
4820 	rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
4821 
4822 	if (rt2x00_is_usb(rt2x00dev)) {
4823 		rt2800_register_write(rt2x00dev, PBF_CFG, 0xf40006);
4824 
4825 		rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
4826 		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
4827 		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_DMA_BUSY, 0);
4828 		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 0);
4829 		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_DMA_BUSY, 0);
4830 		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 3);
4831 		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 0);
4832 		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_BIG_ENDIAN, 0);
4833 		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_RX_HDR_SCATTER, 0);
4834 		rt2x00_set_field32(&reg, WPDMA_GLO_CFG_HDR_SEG_LEN, 0);
4835 		rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
4836 	}
4837 
4838 	/*
4839 	 * The legacy driver also sets TXOP_CTRL_CFG_RESERVED_TRUN_EN to 1
4840 	 * although it is reserved.
4841 	 */
4842 	rt2800_register_read(rt2x00dev, TXOP_CTRL_CFG, &reg);
4843 	rt2x00_set_field32(&reg, TXOP_CTRL_CFG_TIMEOUT_TRUN_EN, 1);
4844 	rt2x00_set_field32(&reg, TXOP_CTRL_CFG_AC_TRUN_EN, 1);
4845 	rt2x00_set_field32(&reg, TXOP_CTRL_CFG_TXRATEGRP_TRUN_EN, 1);
4846 	rt2x00_set_field32(&reg, TXOP_CTRL_CFG_USER_MODE_TRUN_EN, 1);
4847 	rt2x00_set_field32(&reg, TXOP_CTRL_CFG_MIMO_PS_TRUN_EN, 1);
4848 	rt2x00_set_field32(&reg, TXOP_CTRL_CFG_RESERVED_TRUN_EN, 1);
4849 	rt2x00_set_field32(&reg, TXOP_CTRL_CFG_LSIG_TXOP_EN, 0);
4850 	rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CCA_EN, 0);
4851 	rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CCA_DLY, 88);
4852 	rt2x00_set_field32(&reg, TXOP_CTRL_CFG_EXT_CWMIN, 0);
4853 	rt2800_register_write(rt2x00dev, TXOP_CTRL_CFG, reg);
4854 
4855 	reg = rt2x00_rt(rt2x00dev, RT5592) ? 0x00000082 : 0x00000002;
4856 	rt2800_register_write(rt2x00dev, TXOP_HLDR_ET, reg);
4857 
4858 	rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
4859 	rt2x00_set_field32(&reg, TX_RTS_CFG_AUTO_RTS_RETRY_LIMIT, 32);
4860 	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES,
4861 			   IEEE80211_MAX_RTS_THRESHOLD);
4862 	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_FBK_EN, 0);
4863 	rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
4864 
4865 	rt2800_register_write(rt2x00dev, EXP_ACK_TIME, 0x002400ca);
4866 
4867 	/*
4868 	 * Usually the CCK SIFS time should be set to 10 and the OFDM SIFS
4869 	 * time should be set to 16. However, the original Ralink driver uses
4870 	 * 16 for both and indeed using a value of 10 for CCK SIFS results in
4871 	 * connection problems with 11g + CTS protection. Hence, use the same
4872 	 * defaults as the Ralink driver: 16 for both, CCK and OFDM SIFS.
4873 	 */
4874 	rt2800_register_read(rt2x00dev, XIFS_TIME_CFG, &reg);
4875 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_CCKM_SIFS_TIME, 16);
4876 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_SIFS_TIME, 16);
4877 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_OFDM_XIFS_TIME, 4);
4878 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_EIFS, 314);
4879 	rt2x00_set_field32(&reg, XIFS_TIME_CFG_BB_RXEND_ENABLE, 1);
4880 	rt2800_register_write(rt2x00dev, XIFS_TIME_CFG, reg);
4881 
4882 	rt2800_register_write(rt2x00dev, PWR_PIN_CFG, 0x00000003);
4883 
4884 	/*
4885 	 * ASIC will keep garbage value after boot, clear encryption keys.
4886 	 */
4887 	for (i = 0; i < 4; i++)
4888 		rt2800_register_write(rt2x00dev,
4889 					 SHARED_KEY_MODE_ENTRY(i), 0);
4890 
4891 	for (i = 0; i < 256; i++) {
4892 		rt2800_config_wcid(rt2x00dev, NULL, i);
4893 		rt2800_delete_wcid_attr(rt2x00dev, i);
4894 		rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
4895 	}
4896 
4897 	/*
4898 	 * Clear all beacons
4899 	 */
4900 	for (i = 0; i < 8; i++)
4901 		rt2800_clear_beacon_register(rt2x00dev, i);
4902 
4903 	if (rt2x00_is_usb(rt2x00dev)) {
4904 		rt2800_register_read(rt2x00dev, US_CYC_CNT, &reg);
4905 		rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 30);
4906 		rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
4907 	} else if (rt2x00_is_pcie(rt2x00dev)) {
4908 		rt2800_register_read(rt2x00dev, US_CYC_CNT, &reg);
4909 		rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 125);
4910 		rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
4911 	}
4912 
4913 	rt2800_register_read(rt2x00dev, HT_FBK_CFG0, &reg);
4914 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS0FBK, 0);
4915 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS1FBK, 0);
4916 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS2FBK, 1);
4917 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS3FBK, 2);
4918 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS4FBK, 3);
4919 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS5FBK, 4);
4920 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS6FBK, 5);
4921 	rt2x00_set_field32(&reg, HT_FBK_CFG0_HTMCS7FBK, 6);
4922 	rt2800_register_write(rt2x00dev, HT_FBK_CFG0, reg);
4923 
4924 	rt2800_register_read(rt2x00dev, HT_FBK_CFG1, &reg);
4925 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS8FBK, 8);
4926 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS9FBK, 8);
4927 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS10FBK, 9);
4928 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS11FBK, 10);
4929 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS12FBK, 11);
4930 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS13FBK, 12);
4931 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS14FBK, 13);
4932 	rt2x00_set_field32(&reg, HT_FBK_CFG1_HTMCS15FBK, 14);
4933 	rt2800_register_write(rt2x00dev, HT_FBK_CFG1, reg);
4934 
4935 	rt2800_register_read(rt2x00dev, LG_FBK_CFG0, &reg);
4936 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS0FBK, 8);
4937 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS1FBK, 8);
4938 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS2FBK, 9);
4939 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS3FBK, 10);
4940 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS4FBK, 11);
4941 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS5FBK, 12);
4942 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS6FBK, 13);
4943 	rt2x00_set_field32(&reg, LG_FBK_CFG0_OFDMMCS7FBK, 14);
4944 	rt2800_register_write(rt2x00dev, LG_FBK_CFG0, reg);
4945 
4946 	rt2800_register_read(rt2x00dev, LG_FBK_CFG1, &reg);
4947 	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS0FBK, 0);
4948 	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS1FBK, 0);
4949 	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS2FBK, 1);
4950 	rt2x00_set_field32(&reg, LG_FBK_CFG0_CCKMCS3FBK, 2);
4951 	rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
4952 
4953 	/*
4954 	 * Do not force the BA window size, we use the TXWI to set it
4955 	 */
4956 	rt2800_register_read(rt2x00dev, AMPDU_BA_WINSIZE, &reg);
4957 	rt2x00_set_field32(&reg, AMPDU_BA_WINSIZE_FORCE_WINSIZE_ENABLE, 0);
4958 	rt2x00_set_field32(&reg, AMPDU_BA_WINSIZE_FORCE_WINSIZE, 0);
4959 	rt2800_register_write(rt2x00dev, AMPDU_BA_WINSIZE, reg);
4960 
4961 	/*
4962 	 * We must clear the error counters.
4963 	 * These registers are cleared on read,
4964 	 * so we may pass a useless variable to store the value.
4965 	 */
4966 	rt2800_register_read(rt2x00dev, RX_STA_CNT0, &reg);
4967 	rt2800_register_read(rt2x00dev, RX_STA_CNT1, &reg);
4968 	rt2800_register_read(rt2x00dev, RX_STA_CNT2, &reg);
4969 	rt2800_register_read(rt2x00dev, TX_STA_CNT0, &reg);
4970 	rt2800_register_read(rt2x00dev, TX_STA_CNT1, &reg);
4971 	rt2800_register_read(rt2x00dev, TX_STA_CNT2, &reg);
4972 
4973 	/*
4974 	 * Setup leadtime for pre tbtt interrupt to 6ms
4975 	 */
4976 	rt2800_register_read(rt2x00dev, INT_TIMER_CFG, &reg);
4977 	rt2x00_set_field32(&reg, INT_TIMER_CFG_PRE_TBTT_TIMER, 6 << 4);
4978 	rt2800_register_write(rt2x00dev, INT_TIMER_CFG, reg);
4979 
4980 	/*
4981 	 * Set up channel statistics timer
4982 	 */
4983 	rt2800_register_read(rt2x00dev, CH_TIME_CFG, &reg);
4984 	rt2x00_set_field32(&reg, CH_TIME_CFG_EIFS_BUSY, 1);
4985 	rt2x00_set_field32(&reg, CH_TIME_CFG_NAV_BUSY, 1);
4986 	rt2x00_set_field32(&reg, CH_TIME_CFG_RX_BUSY, 1);
4987 	rt2x00_set_field32(&reg, CH_TIME_CFG_TX_BUSY, 1);
4988 	rt2x00_set_field32(&reg, CH_TIME_CFG_TMR_EN, 1);
4989 	rt2800_register_write(rt2x00dev, CH_TIME_CFG, reg);
4990 
4991 	return 0;
4992 }
4993 
rt2800_wait_bbp_rf_ready(struct rt2x00_dev * rt2x00dev)4994 static int rt2800_wait_bbp_rf_ready(struct rt2x00_dev *rt2x00dev)
4995 {
4996 	unsigned int i;
4997 	u32 reg;
4998 
4999 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
5000 		rt2800_register_read(rt2x00dev, MAC_STATUS_CFG, &reg);
5001 		if (!rt2x00_get_field32(reg, MAC_STATUS_CFG_BBP_RF_BUSY))
5002 			return 0;
5003 
5004 		udelay(REGISTER_BUSY_DELAY);
5005 	}
5006 
5007 	rt2x00_err(rt2x00dev, "BBP/RF register access failed, aborting\n");
5008 	return -EACCES;
5009 }
5010 
rt2800_wait_bbp_ready(struct rt2x00_dev * rt2x00dev)5011 static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
5012 {
5013 	unsigned int i;
5014 	u8 value;
5015 
5016 	/*
5017 	 * BBP was enabled after firmware was loaded,
5018 	 * but we need to reactivate it now.
5019 	 */
5020 	rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
5021 	rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
5022 	msleep(1);
5023 
5024 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
5025 		rt2800_bbp_read(rt2x00dev, 0, &value);
5026 		if ((value != 0xff) && (value != 0x00))
5027 			return 0;
5028 		udelay(REGISTER_BUSY_DELAY);
5029 	}
5030 
5031 	rt2x00_err(rt2x00dev, "BBP register access failed, aborting\n");
5032 	return -EACCES;
5033 }
5034 
rt2800_bbp4_mac_if_ctrl(struct rt2x00_dev * rt2x00dev)5035 static void rt2800_bbp4_mac_if_ctrl(struct rt2x00_dev *rt2x00dev)
5036 {
5037 	u8 value;
5038 
5039 	rt2800_bbp_read(rt2x00dev, 4, &value);
5040 	rt2x00_set_field8(&value, BBP4_MAC_IF_CTRL, 1);
5041 	rt2800_bbp_write(rt2x00dev, 4, value);
5042 }
5043 
rt2800_init_freq_calibration(struct rt2x00_dev * rt2x00dev)5044 static void rt2800_init_freq_calibration(struct rt2x00_dev *rt2x00dev)
5045 {
5046 	rt2800_bbp_write(rt2x00dev, 142, 1);
5047 	rt2800_bbp_write(rt2x00dev, 143, 57);
5048 }
5049 
rt2800_init_bbp_5592_glrt(struct rt2x00_dev * rt2x00dev)5050 static void rt2800_init_bbp_5592_glrt(struct rt2x00_dev *rt2x00dev)
5051 {
5052 	const u8 glrt_table[] = {
5053 		0xE0, 0x1F, 0X38, 0x32, 0x08, 0x28, 0x19, 0x0A, 0xFF, 0x00, /* 128 ~ 137 */
5054 		0x16, 0x10, 0x10, 0x0B, 0x36, 0x2C, 0x26, 0x24, 0x42, 0x36, /* 138 ~ 147 */
5055 		0x30, 0x2D, 0x4C, 0x46, 0x3D, 0x40, 0x3E, 0x42, 0x3D, 0x40, /* 148 ~ 157 */
5056 		0X3C, 0x34, 0x2C, 0x2F, 0x3C, 0x35, 0x2E, 0x2A, 0x49, 0x41, /* 158 ~ 167 */
5057 		0x36, 0x31, 0x30, 0x30, 0x0E, 0x0D, 0x28, 0x21, 0x1C, 0x16, /* 168 ~ 177 */
5058 		0x50, 0x4A, 0x43, 0x40, 0x10, 0x10, 0x10, 0x10, 0x00, 0x00, /* 178 ~ 187 */
5059 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 188 ~ 197 */
5060 		0x00, 0x00, 0x7D, 0x14, 0x32, 0x2C, 0x36, 0x4C, 0x43, 0x2C, /* 198 ~ 207 */
5061 		0x2E, 0x36, 0x30, 0x6E,					    /* 208 ~ 211 */
5062 	};
5063 	int i;
5064 
5065 	for (i = 0; i < ARRAY_SIZE(glrt_table); i++) {
5066 		rt2800_bbp_write(rt2x00dev, 195, 128 + i);
5067 		rt2800_bbp_write(rt2x00dev, 196, glrt_table[i]);
5068 	}
5069 };
5070 
rt2800_init_bbp_early(struct rt2x00_dev * rt2x00dev)5071 static void rt2800_init_bbp_early(struct rt2x00_dev *rt2x00dev)
5072 {
5073 	rt2800_bbp_write(rt2x00dev, 65, 0x2C);
5074 	rt2800_bbp_write(rt2x00dev, 66, 0x38);
5075 	rt2800_bbp_write(rt2x00dev, 68, 0x0B);
5076 	rt2800_bbp_write(rt2x00dev, 69, 0x12);
5077 	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5078 	rt2800_bbp_write(rt2x00dev, 73, 0x10);
5079 	rt2800_bbp_write(rt2x00dev, 81, 0x37);
5080 	rt2800_bbp_write(rt2x00dev, 82, 0x62);
5081 	rt2800_bbp_write(rt2x00dev, 83, 0x6A);
5082 	rt2800_bbp_write(rt2x00dev, 84, 0x99);
5083 	rt2800_bbp_write(rt2x00dev, 86, 0x00);
5084 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
5085 	rt2800_bbp_write(rt2x00dev, 92, 0x00);
5086 	rt2800_bbp_write(rt2x00dev, 103, 0x00);
5087 	rt2800_bbp_write(rt2x00dev, 105, 0x05);
5088 	rt2800_bbp_write(rt2x00dev, 106, 0x35);
5089 }
5090 
rt2800_disable_unused_dac_adc(struct rt2x00_dev * rt2x00dev)5091 static void rt2800_disable_unused_dac_adc(struct rt2x00_dev *rt2x00dev)
5092 {
5093 	u16 eeprom;
5094 	u8 value;
5095 
5096 	rt2800_bbp_read(rt2x00dev, 138, &value);
5097 	rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
5098 	if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
5099 		value |= 0x20;
5100 	if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
5101 		value &= ~0x02;
5102 	rt2800_bbp_write(rt2x00dev, 138, value);
5103 }
5104 
rt2800_init_bbp_305x_soc(struct rt2x00_dev * rt2x00dev)5105 static void rt2800_init_bbp_305x_soc(struct rt2x00_dev *rt2x00dev)
5106 {
5107 	rt2800_bbp_write(rt2x00dev, 31, 0x08);
5108 
5109 	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5110 	rt2800_bbp_write(rt2x00dev, 66, 0x38);
5111 
5112 	rt2800_bbp_write(rt2x00dev, 69, 0x12);
5113 	rt2800_bbp_write(rt2x00dev, 73, 0x10);
5114 
5115 	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5116 
5117 	rt2800_bbp_write(rt2x00dev, 78, 0x0e);
5118 	rt2800_bbp_write(rt2x00dev, 80, 0x08);
5119 
5120 	rt2800_bbp_write(rt2x00dev, 82, 0x62);
5121 
5122 	rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5123 
5124 	rt2800_bbp_write(rt2x00dev, 84, 0x99);
5125 
5126 	rt2800_bbp_write(rt2x00dev, 86, 0x00);
5127 
5128 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
5129 
5130 	rt2800_bbp_write(rt2x00dev, 92, 0x00);
5131 
5132 	rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5133 
5134 	rt2800_bbp_write(rt2x00dev, 105, 0x01);
5135 
5136 	rt2800_bbp_write(rt2x00dev, 106, 0x35);
5137 }
5138 
rt2800_init_bbp_28xx(struct rt2x00_dev * rt2x00dev)5139 static void rt2800_init_bbp_28xx(struct rt2x00_dev *rt2x00dev)
5140 {
5141 	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5142 	rt2800_bbp_write(rt2x00dev, 66, 0x38);
5143 
5144 	if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860C)) {
5145 		rt2800_bbp_write(rt2x00dev, 69, 0x16);
5146 		rt2800_bbp_write(rt2x00dev, 73, 0x12);
5147 	} else {
5148 		rt2800_bbp_write(rt2x00dev, 69, 0x12);
5149 		rt2800_bbp_write(rt2x00dev, 73, 0x10);
5150 	}
5151 
5152 	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5153 
5154 	rt2800_bbp_write(rt2x00dev, 81, 0x37);
5155 
5156 	rt2800_bbp_write(rt2x00dev, 82, 0x62);
5157 
5158 	rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5159 
5160 	if (rt2x00_rt_rev(rt2x00dev, RT2860, REV_RT2860D))
5161 		rt2800_bbp_write(rt2x00dev, 84, 0x19);
5162 	else
5163 		rt2800_bbp_write(rt2x00dev, 84, 0x99);
5164 
5165 	rt2800_bbp_write(rt2x00dev, 86, 0x00);
5166 
5167 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
5168 
5169 	rt2800_bbp_write(rt2x00dev, 92, 0x00);
5170 
5171 	rt2800_bbp_write(rt2x00dev, 103, 0x00);
5172 
5173 	rt2800_bbp_write(rt2x00dev, 105, 0x05);
5174 
5175 	rt2800_bbp_write(rt2x00dev, 106, 0x35);
5176 }
5177 
rt2800_init_bbp_30xx(struct rt2x00_dev * rt2x00dev)5178 static void rt2800_init_bbp_30xx(struct rt2x00_dev *rt2x00dev)
5179 {
5180 	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5181 	rt2800_bbp_write(rt2x00dev, 66, 0x38);
5182 
5183 	rt2800_bbp_write(rt2x00dev, 69, 0x12);
5184 	rt2800_bbp_write(rt2x00dev, 73, 0x10);
5185 
5186 	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5187 
5188 	rt2800_bbp_write(rt2x00dev, 79, 0x13);
5189 	rt2800_bbp_write(rt2x00dev, 80, 0x05);
5190 	rt2800_bbp_write(rt2x00dev, 81, 0x33);
5191 
5192 	rt2800_bbp_write(rt2x00dev, 82, 0x62);
5193 
5194 	rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5195 
5196 	rt2800_bbp_write(rt2x00dev, 84, 0x99);
5197 
5198 	rt2800_bbp_write(rt2x00dev, 86, 0x00);
5199 
5200 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
5201 
5202 	rt2800_bbp_write(rt2x00dev, 92, 0x00);
5203 
5204 	if (rt2x00_rt_rev_gte(rt2x00dev, RT3070, REV_RT3070F) ||
5205 	    rt2x00_rt_rev_gte(rt2x00dev, RT3071, REV_RT3071E) ||
5206 	    rt2x00_rt_rev_gte(rt2x00dev, RT3090, REV_RT3090E))
5207 		rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5208 	else
5209 		rt2800_bbp_write(rt2x00dev, 103, 0x00);
5210 
5211 	rt2800_bbp_write(rt2x00dev, 105, 0x05);
5212 
5213 	rt2800_bbp_write(rt2x00dev, 106, 0x35);
5214 
5215 	if (rt2x00_rt(rt2x00dev, RT3071) ||
5216 	    rt2x00_rt(rt2x00dev, RT3090))
5217 		rt2800_disable_unused_dac_adc(rt2x00dev);
5218 }
5219 
rt2800_init_bbp_3290(struct rt2x00_dev * rt2x00dev)5220 static void rt2800_init_bbp_3290(struct rt2x00_dev *rt2x00dev)
5221 {
5222 	u8 value;
5223 
5224 	rt2800_bbp4_mac_if_ctrl(rt2x00dev);
5225 
5226 	rt2800_bbp_write(rt2x00dev, 31, 0x08);
5227 
5228 	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5229 	rt2800_bbp_write(rt2x00dev, 66, 0x38);
5230 
5231 	rt2800_bbp_write(rt2x00dev, 68, 0x0b);
5232 
5233 	rt2800_bbp_write(rt2x00dev, 69, 0x12);
5234 	rt2800_bbp_write(rt2x00dev, 73, 0x13);
5235 	rt2800_bbp_write(rt2x00dev, 75, 0x46);
5236 	rt2800_bbp_write(rt2x00dev, 76, 0x28);
5237 
5238 	rt2800_bbp_write(rt2x00dev, 77, 0x58);
5239 
5240 	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5241 
5242 	rt2800_bbp_write(rt2x00dev, 74, 0x0b);
5243 	rt2800_bbp_write(rt2x00dev, 79, 0x18);
5244 	rt2800_bbp_write(rt2x00dev, 80, 0x09);
5245 	rt2800_bbp_write(rt2x00dev, 81, 0x33);
5246 
5247 	rt2800_bbp_write(rt2x00dev, 82, 0x62);
5248 
5249 	rt2800_bbp_write(rt2x00dev, 83, 0x7a);
5250 
5251 	rt2800_bbp_write(rt2x00dev, 84, 0x9a);
5252 
5253 	rt2800_bbp_write(rt2x00dev, 86, 0x38);
5254 
5255 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
5256 
5257 	rt2800_bbp_write(rt2x00dev, 92, 0x02);
5258 
5259 	rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5260 
5261 	rt2800_bbp_write(rt2x00dev, 104, 0x92);
5262 
5263 	rt2800_bbp_write(rt2x00dev, 105, 0x1c);
5264 
5265 	rt2800_bbp_write(rt2x00dev, 106, 0x03);
5266 
5267 	rt2800_bbp_write(rt2x00dev, 128, 0x12);
5268 
5269 	rt2800_bbp_write(rt2x00dev, 67, 0x24);
5270 	rt2800_bbp_write(rt2x00dev, 143, 0x04);
5271 	rt2800_bbp_write(rt2x00dev, 142, 0x99);
5272 	rt2800_bbp_write(rt2x00dev, 150, 0x30);
5273 	rt2800_bbp_write(rt2x00dev, 151, 0x2e);
5274 	rt2800_bbp_write(rt2x00dev, 152, 0x20);
5275 	rt2800_bbp_write(rt2x00dev, 153, 0x34);
5276 	rt2800_bbp_write(rt2x00dev, 154, 0x40);
5277 	rt2800_bbp_write(rt2x00dev, 155, 0x3b);
5278 	rt2800_bbp_write(rt2x00dev, 253, 0x04);
5279 
5280 	rt2800_bbp_read(rt2x00dev, 47, &value);
5281 	rt2x00_set_field8(&value, BBP47_TSSI_ADC6, 1);
5282 	rt2800_bbp_write(rt2x00dev, 47, value);
5283 
5284 	/* Use 5-bit ADC for Acquisition and 8-bit ADC for data */
5285 	rt2800_bbp_read(rt2x00dev, 3, &value);
5286 	rt2x00_set_field8(&value, BBP3_ADC_MODE_SWITCH, 1);
5287 	rt2x00_set_field8(&value, BBP3_ADC_INIT_MODE, 1);
5288 	rt2800_bbp_write(rt2x00dev, 3, value);
5289 }
5290 
rt2800_init_bbp_3352(struct rt2x00_dev * rt2x00dev)5291 static void rt2800_init_bbp_3352(struct rt2x00_dev *rt2x00dev)
5292 {
5293 	rt2800_bbp_write(rt2x00dev, 3, 0x00);
5294 	rt2800_bbp_write(rt2x00dev, 4, 0x50);
5295 
5296 	rt2800_bbp_write(rt2x00dev, 31, 0x08);
5297 
5298 	rt2800_bbp_write(rt2x00dev, 47, 0x48);
5299 
5300 	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5301 	rt2800_bbp_write(rt2x00dev, 66, 0x38);
5302 
5303 	rt2800_bbp_write(rt2x00dev, 68, 0x0b);
5304 
5305 	rt2800_bbp_write(rt2x00dev, 69, 0x12);
5306 	rt2800_bbp_write(rt2x00dev, 73, 0x13);
5307 	rt2800_bbp_write(rt2x00dev, 75, 0x46);
5308 	rt2800_bbp_write(rt2x00dev, 76, 0x28);
5309 
5310 	rt2800_bbp_write(rt2x00dev, 77, 0x59);
5311 
5312 	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5313 
5314 	rt2800_bbp_write(rt2x00dev, 78, 0x0e);
5315 	rt2800_bbp_write(rt2x00dev, 80, 0x08);
5316 	rt2800_bbp_write(rt2x00dev, 81, 0x37);
5317 
5318 	rt2800_bbp_write(rt2x00dev, 82, 0x62);
5319 
5320 	rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5321 
5322 	rt2800_bbp_write(rt2x00dev, 84, 0x99);
5323 
5324 	rt2800_bbp_write(rt2x00dev, 86, 0x38);
5325 
5326 	rt2800_bbp_write(rt2x00dev, 88, 0x90);
5327 
5328 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
5329 
5330 	rt2800_bbp_write(rt2x00dev, 92, 0x02);
5331 
5332 	rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5333 
5334 	rt2800_bbp_write(rt2x00dev, 104, 0x92);
5335 
5336 	rt2800_bbp_write(rt2x00dev, 105, 0x34);
5337 
5338 	rt2800_bbp_write(rt2x00dev, 106, 0x05);
5339 
5340 	rt2800_bbp_write(rt2x00dev, 120, 0x50);
5341 
5342 	rt2800_bbp_write(rt2x00dev, 137, 0x0f);
5343 
5344 	rt2800_bbp_write(rt2x00dev, 163, 0xbd);
5345 	/* Set ITxBF timeout to 0x9c40=1000msec */
5346 	rt2800_bbp_write(rt2x00dev, 179, 0x02);
5347 	rt2800_bbp_write(rt2x00dev, 180, 0x00);
5348 	rt2800_bbp_write(rt2x00dev, 182, 0x40);
5349 	rt2800_bbp_write(rt2x00dev, 180, 0x01);
5350 	rt2800_bbp_write(rt2x00dev, 182, 0x9c);
5351 	rt2800_bbp_write(rt2x00dev, 179, 0x00);
5352 	/* Reprogram the inband interface to put right values in RXWI */
5353 	rt2800_bbp_write(rt2x00dev, 142, 0x04);
5354 	rt2800_bbp_write(rt2x00dev, 143, 0x3b);
5355 	rt2800_bbp_write(rt2x00dev, 142, 0x06);
5356 	rt2800_bbp_write(rt2x00dev, 143, 0xa0);
5357 	rt2800_bbp_write(rt2x00dev, 142, 0x07);
5358 	rt2800_bbp_write(rt2x00dev, 143, 0xa1);
5359 	rt2800_bbp_write(rt2x00dev, 142, 0x08);
5360 	rt2800_bbp_write(rt2x00dev, 143, 0xa2);
5361 
5362 	rt2800_bbp_write(rt2x00dev, 148, 0xc8);
5363 }
5364 
rt2800_init_bbp_3390(struct rt2x00_dev * rt2x00dev)5365 static void rt2800_init_bbp_3390(struct rt2x00_dev *rt2x00dev)
5366 {
5367 	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5368 	rt2800_bbp_write(rt2x00dev, 66, 0x38);
5369 
5370 	rt2800_bbp_write(rt2x00dev, 69, 0x12);
5371 	rt2800_bbp_write(rt2x00dev, 73, 0x10);
5372 
5373 	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5374 
5375 	rt2800_bbp_write(rt2x00dev, 79, 0x13);
5376 	rt2800_bbp_write(rt2x00dev, 80, 0x05);
5377 	rt2800_bbp_write(rt2x00dev, 81, 0x33);
5378 
5379 	rt2800_bbp_write(rt2x00dev, 82, 0x62);
5380 
5381 	rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5382 
5383 	rt2800_bbp_write(rt2x00dev, 84, 0x99);
5384 
5385 	rt2800_bbp_write(rt2x00dev, 86, 0x00);
5386 
5387 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
5388 
5389 	rt2800_bbp_write(rt2x00dev, 92, 0x00);
5390 
5391 	if (rt2x00_rt_rev_gte(rt2x00dev, RT3390, REV_RT3390E))
5392 		rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5393 	else
5394 		rt2800_bbp_write(rt2x00dev, 103, 0x00);
5395 
5396 	rt2800_bbp_write(rt2x00dev, 105, 0x05);
5397 
5398 	rt2800_bbp_write(rt2x00dev, 106, 0x35);
5399 
5400 	rt2800_disable_unused_dac_adc(rt2x00dev);
5401 }
5402 
rt2800_init_bbp_3572(struct rt2x00_dev * rt2x00dev)5403 static void rt2800_init_bbp_3572(struct rt2x00_dev *rt2x00dev)
5404 {
5405 	rt2800_bbp_write(rt2x00dev, 31, 0x08);
5406 
5407 	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5408 	rt2800_bbp_write(rt2x00dev, 66, 0x38);
5409 
5410 	rt2800_bbp_write(rt2x00dev, 69, 0x12);
5411 	rt2800_bbp_write(rt2x00dev, 73, 0x10);
5412 
5413 	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5414 
5415 	rt2800_bbp_write(rt2x00dev, 79, 0x13);
5416 	rt2800_bbp_write(rt2x00dev, 80, 0x05);
5417 	rt2800_bbp_write(rt2x00dev, 81, 0x33);
5418 
5419 	rt2800_bbp_write(rt2x00dev, 82, 0x62);
5420 
5421 	rt2800_bbp_write(rt2x00dev, 83, 0x6a);
5422 
5423 	rt2800_bbp_write(rt2x00dev, 84, 0x99);
5424 
5425 	rt2800_bbp_write(rt2x00dev, 86, 0x00);
5426 
5427 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
5428 
5429 	rt2800_bbp_write(rt2x00dev, 92, 0x00);
5430 
5431 	rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5432 
5433 	rt2800_bbp_write(rt2x00dev, 105, 0x05);
5434 
5435 	rt2800_bbp_write(rt2x00dev, 106, 0x35);
5436 
5437 	rt2800_disable_unused_dac_adc(rt2x00dev);
5438 }
5439 
rt2800_init_bbp_3593(struct rt2x00_dev * rt2x00dev)5440 static void rt2800_init_bbp_3593(struct rt2x00_dev *rt2x00dev)
5441 {
5442 	rt2800_init_bbp_early(rt2x00dev);
5443 
5444 	rt2800_bbp_write(rt2x00dev, 79, 0x13);
5445 	rt2800_bbp_write(rt2x00dev, 80, 0x05);
5446 	rt2800_bbp_write(rt2x00dev, 81, 0x33);
5447 	rt2800_bbp_write(rt2x00dev, 137, 0x0f);
5448 
5449 	rt2800_bbp_write(rt2x00dev, 84, 0x19);
5450 
5451 	/* Enable DC filter */
5452 	if (rt2x00_rt_rev_gte(rt2x00dev, RT3593, REV_RT3593E))
5453 		rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5454 }
5455 
rt2800_init_bbp_53xx(struct rt2x00_dev * rt2x00dev)5456 static void rt2800_init_bbp_53xx(struct rt2x00_dev *rt2x00dev)
5457 {
5458 	int ant, div_mode;
5459 	u16 eeprom;
5460 	u8 value;
5461 
5462 	rt2800_bbp4_mac_if_ctrl(rt2x00dev);
5463 
5464 	rt2800_bbp_write(rt2x00dev, 31, 0x08);
5465 
5466 	rt2800_bbp_write(rt2x00dev, 65, 0x2c);
5467 	rt2800_bbp_write(rt2x00dev, 66, 0x38);
5468 
5469 	rt2800_bbp_write(rt2x00dev, 68, 0x0b);
5470 
5471 	rt2800_bbp_write(rt2x00dev, 69, 0x12);
5472 	rt2800_bbp_write(rt2x00dev, 73, 0x13);
5473 	rt2800_bbp_write(rt2x00dev, 75, 0x46);
5474 	rt2800_bbp_write(rt2x00dev, 76, 0x28);
5475 
5476 	rt2800_bbp_write(rt2x00dev, 77, 0x59);
5477 
5478 	rt2800_bbp_write(rt2x00dev, 70, 0x0a);
5479 
5480 	rt2800_bbp_write(rt2x00dev, 79, 0x13);
5481 	rt2800_bbp_write(rt2x00dev, 80, 0x05);
5482 	rt2800_bbp_write(rt2x00dev, 81, 0x33);
5483 
5484 	rt2800_bbp_write(rt2x00dev, 82, 0x62);
5485 
5486 	rt2800_bbp_write(rt2x00dev, 83, 0x7a);
5487 
5488 	rt2800_bbp_write(rt2x00dev, 84, 0x9a);
5489 
5490 	rt2800_bbp_write(rt2x00dev, 86, 0x38);
5491 
5492 	if (rt2x00_rt(rt2x00dev, RT5392))
5493 		rt2800_bbp_write(rt2x00dev, 88, 0x90);
5494 
5495 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
5496 
5497 	rt2800_bbp_write(rt2x00dev, 92, 0x02);
5498 
5499 	if (rt2x00_rt(rt2x00dev, RT5392)) {
5500 		rt2800_bbp_write(rt2x00dev, 95, 0x9a);
5501 		rt2800_bbp_write(rt2x00dev, 98, 0x12);
5502 	}
5503 
5504 	rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5505 
5506 	rt2800_bbp_write(rt2x00dev, 104, 0x92);
5507 
5508 	rt2800_bbp_write(rt2x00dev, 105, 0x3c);
5509 
5510 	if (rt2x00_rt(rt2x00dev, RT5390))
5511 		rt2800_bbp_write(rt2x00dev, 106, 0x03);
5512 	else if (rt2x00_rt(rt2x00dev, RT5392))
5513 		rt2800_bbp_write(rt2x00dev, 106, 0x12);
5514 	else
5515 		WARN_ON(1);
5516 
5517 	rt2800_bbp_write(rt2x00dev, 128, 0x12);
5518 
5519 	if (rt2x00_rt(rt2x00dev, RT5392)) {
5520 		rt2800_bbp_write(rt2x00dev, 134, 0xd0);
5521 		rt2800_bbp_write(rt2x00dev, 135, 0xf6);
5522 	}
5523 
5524 	rt2800_disable_unused_dac_adc(rt2x00dev);
5525 
5526 	rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
5527 	div_mode = rt2x00_get_field16(eeprom,
5528 				      EEPROM_NIC_CONF1_ANT_DIVERSITY);
5529 	ant = (div_mode == 3) ? 1 : 0;
5530 
5531 	/* check if this is a Bluetooth combo card */
5532 	if (rt2x00_has_cap_bt_coexist(rt2x00dev)) {
5533 		u32 reg;
5534 
5535 		rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
5536 		rt2x00_set_field32(&reg, GPIO_CTRL_DIR3, 0);
5537 		rt2x00_set_field32(&reg, GPIO_CTRL_DIR6, 0);
5538 		rt2x00_set_field32(&reg, GPIO_CTRL_VAL3, 0);
5539 		rt2x00_set_field32(&reg, GPIO_CTRL_VAL6, 0);
5540 		if (ant == 0)
5541 			rt2x00_set_field32(&reg, GPIO_CTRL_VAL3, 1);
5542 		else if (ant == 1)
5543 			rt2x00_set_field32(&reg, GPIO_CTRL_VAL6, 1);
5544 		rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
5545 	}
5546 
5547 	/* This chip has hardware antenna diversity*/
5548 	if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R)) {
5549 		rt2800_bbp_write(rt2x00dev, 150, 0); /* Disable Antenna Software OFDM */
5550 		rt2800_bbp_write(rt2x00dev, 151, 0); /* Disable Antenna Software CCK */
5551 		rt2800_bbp_write(rt2x00dev, 154, 0); /* Clear previously selected antenna */
5552 	}
5553 
5554 	rt2800_bbp_read(rt2x00dev, 152, &value);
5555 	if (ant == 0)
5556 		rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1);
5557 	else
5558 		rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0);
5559 	rt2800_bbp_write(rt2x00dev, 152, value);
5560 
5561 	rt2800_init_freq_calibration(rt2x00dev);
5562 }
5563 
rt2800_init_bbp_5592(struct rt2x00_dev * rt2x00dev)5564 static void rt2800_init_bbp_5592(struct rt2x00_dev *rt2x00dev)
5565 {
5566 	int ant, div_mode;
5567 	u16 eeprom;
5568 	u8 value;
5569 
5570 	rt2800_init_bbp_early(rt2x00dev);
5571 
5572 	rt2800_bbp_read(rt2x00dev, 105, &value);
5573 	rt2x00_set_field8(&value, BBP105_MLD,
5574 			  rt2x00dev->default_ant.rx_chain_num == 2);
5575 	rt2800_bbp_write(rt2x00dev, 105, value);
5576 
5577 	rt2800_bbp4_mac_if_ctrl(rt2x00dev);
5578 
5579 	rt2800_bbp_write(rt2x00dev, 20, 0x06);
5580 	rt2800_bbp_write(rt2x00dev, 31, 0x08);
5581 	rt2800_bbp_write(rt2x00dev, 65, 0x2C);
5582 	rt2800_bbp_write(rt2x00dev, 68, 0xDD);
5583 	rt2800_bbp_write(rt2x00dev, 69, 0x1A);
5584 	rt2800_bbp_write(rt2x00dev, 70, 0x05);
5585 	rt2800_bbp_write(rt2x00dev, 73, 0x13);
5586 	rt2800_bbp_write(rt2x00dev, 74, 0x0F);
5587 	rt2800_bbp_write(rt2x00dev, 75, 0x4F);
5588 	rt2800_bbp_write(rt2x00dev, 76, 0x28);
5589 	rt2800_bbp_write(rt2x00dev, 77, 0x59);
5590 	rt2800_bbp_write(rt2x00dev, 84, 0x9A);
5591 	rt2800_bbp_write(rt2x00dev, 86, 0x38);
5592 	rt2800_bbp_write(rt2x00dev, 88, 0x90);
5593 	rt2800_bbp_write(rt2x00dev, 91, 0x04);
5594 	rt2800_bbp_write(rt2x00dev, 92, 0x02);
5595 	rt2800_bbp_write(rt2x00dev, 95, 0x9a);
5596 	rt2800_bbp_write(rt2x00dev, 98, 0x12);
5597 	rt2800_bbp_write(rt2x00dev, 103, 0xC0);
5598 	rt2800_bbp_write(rt2x00dev, 104, 0x92);
5599 	/* FIXME BBP105 owerwrite */
5600 	rt2800_bbp_write(rt2x00dev, 105, 0x3C);
5601 	rt2800_bbp_write(rt2x00dev, 106, 0x35);
5602 	rt2800_bbp_write(rt2x00dev, 128, 0x12);
5603 	rt2800_bbp_write(rt2x00dev, 134, 0xD0);
5604 	rt2800_bbp_write(rt2x00dev, 135, 0xF6);
5605 	rt2800_bbp_write(rt2x00dev, 137, 0x0F);
5606 
5607 	/* Initialize GLRT (Generalized Likehood Radio Test) */
5608 	rt2800_init_bbp_5592_glrt(rt2x00dev);
5609 
5610 	rt2800_bbp4_mac_if_ctrl(rt2x00dev);
5611 
5612 	rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
5613 	div_mode = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY);
5614 	ant = (div_mode == 3) ? 1 : 0;
5615 	rt2800_bbp_read(rt2x00dev, 152, &value);
5616 	if (ant == 0) {
5617 		/* Main antenna */
5618 		rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1);
5619 	} else {
5620 		/* Auxiliary antenna */
5621 		rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0);
5622 	}
5623 	rt2800_bbp_write(rt2x00dev, 152, value);
5624 
5625 	if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C)) {
5626 		rt2800_bbp_read(rt2x00dev, 254, &value);
5627 		rt2x00_set_field8(&value, BBP254_BIT7, 1);
5628 		rt2800_bbp_write(rt2x00dev, 254, value);
5629 	}
5630 
5631 	rt2800_init_freq_calibration(rt2x00dev);
5632 
5633 	rt2800_bbp_write(rt2x00dev, 84, 0x19);
5634 	if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C))
5635 		rt2800_bbp_write(rt2x00dev, 103, 0xc0);
5636 }
5637 
rt2800_init_bbp(struct rt2x00_dev * rt2x00dev)5638 static void rt2800_init_bbp(struct rt2x00_dev *rt2x00dev)
5639 {
5640 	unsigned int i;
5641 	u16 eeprom;
5642 	u8 reg_id;
5643 	u8 value;
5644 
5645 	if (rt2800_is_305x_soc(rt2x00dev))
5646 		rt2800_init_bbp_305x_soc(rt2x00dev);
5647 
5648 	switch (rt2x00dev->chip.rt) {
5649 	case RT2860:
5650 	case RT2872:
5651 	case RT2883:
5652 		rt2800_init_bbp_28xx(rt2x00dev);
5653 		break;
5654 	case RT3070:
5655 	case RT3071:
5656 	case RT3090:
5657 		rt2800_init_bbp_30xx(rt2x00dev);
5658 		break;
5659 	case RT3290:
5660 		rt2800_init_bbp_3290(rt2x00dev);
5661 		break;
5662 	case RT3352:
5663 		rt2800_init_bbp_3352(rt2x00dev);
5664 		break;
5665 	case RT3390:
5666 		rt2800_init_bbp_3390(rt2x00dev);
5667 		break;
5668 	case RT3572:
5669 		rt2800_init_bbp_3572(rt2x00dev);
5670 		break;
5671 	case RT3593:
5672 		rt2800_init_bbp_3593(rt2x00dev);
5673 		return;
5674 	case RT5390:
5675 	case RT5392:
5676 		rt2800_init_bbp_53xx(rt2x00dev);
5677 		break;
5678 	case RT5592:
5679 		rt2800_init_bbp_5592(rt2x00dev);
5680 		return;
5681 	}
5682 
5683 	for (i = 0; i < EEPROM_BBP_SIZE; i++) {
5684 		rt2800_eeprom_read_from_array(rt2x00dev, EEPROM_BBP_START, i,
5685 					      &eeprom);
5686 
5687 		if (eeprom != 0xffff && eeprom != 0x0000) {
5688 			reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
5689 			value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
5690 			rt2800_bbp_write(rt2x00dev, reg_id, value);
5691 		}
5692 	}
5693 }
5694 
rt2800_led_open_drain_enable(struct rt2x00_dev * rt2x00dev)5695 static void rt2800_led_open_drain_enable(struct rt2x00_dev *rt2x00dev)
5696 {
5697 	u32 reg;
5698 
5699 	rt2800_register_read(rt2x00dev, OPT_14_CSR, &reg);
5700 	rt2x00_set_field32(&reg, OPT_14_CSR_BIT0, 1);
5701 	rt2800_register_write(rt2x00dev, OPT_14_CSR, reg);
5702 }
5703 
rt2800_init_rx_filter(struct rt2x00_dev * rt2x00dev,bool bw40,u8 filter_target)5704 static u8 rt2800_init_rx_filter(struct rt2x00_dev *rt2x00dev, bool bw40,
5705 				u8 filter_target)
5706 {
5707 	unsigned int i;
5708 	u8 bbp;
5709 	u8 rfcsr;
5710 	u8 passband;
5711 	u8 stopband;
5712 	u8 overtuned = 0;
5713 	u8 rfcsr24 = (bw40) ? 0x27 : 0x07;
5714 
5715 	rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
5716 
5717 	rt2800_bbp_read(rt2x00dev, 4, &bbp);
5718 	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 2 * bw40);
5719 	rt2800_bbp_write(rt2x00dev, 4, bbp);
5720 
5721 	rt2800_rfcsr_read(rt2x00dev, 31, &rfcsr);
5722 	rt2x00_set_field8(&rfcsr, RFCSR31_RX_H20M, bw40);
5723 	rt2800_rfcsr_write(rt2x00dev, 31, rfcsr);
5724 
5725 	rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
5726 	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 1);
5727 	rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
5728 
5729 	/*
5730 	 * Set power & frequency of passband test tone
5731 	 */
5732 	rt2800_bbp_write(rt2x00dev, 24, 0);
5733 
5734 	for (i = 0; i < 100; i++) {
5735 		rt2800_bbp_write(rt2x00dev, 25, 0x90);
5736 		msleep(1);
5737 
5738 		rt2800_bbp_read(rt2x00dev, 55, &passband);
5739 		if (passband)
5740 			break;
5741 	}
5742 
5743 	/*
5744 	 * Set power & frequency of stopband test tone
5745 	 */
5746 	rt2800_bbp_write(rt2x00dev, 24, 0x06);
5747 
5748 	for (i = 0; i < 100; i++) {
5749 		rt2800_bbp_write(rt2x00dev, 25, 0x90);
5750 		msleep(1);
5751 
5752 		rt2800_bbp_read(rt2x00dev, 55, &stopband);
5753 
5754 		if ((passband - stopband) <= filter_target) {
5755 			rfcsr24++;
5756 			overtuned += ((passband - stopband) == filter_target);
5757 		} else
5758 			break;
5759 
5760 		rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
5761 	}
5762 
5763 	rfcsr24 -= !!overtuned;
5764 
5765 	rt2800_rfcsr_write(rt2x00dev, 24, rfcsr24);
5766 	return rfcsr24;
5767 }
5768 
rt2800_rf_init_calibration(struct rt2x00_dev * rt2x00dev,const unsigned int rf_reg)5769 static void rt2800_rf_init_calibration(struct rt2x00_dev *rt2x00dev,
5770 				       const unsigned int rf_reg)
5771 {
5772 	u8 rfcsr;
5773 
5774 	rt2800_rfcsr_read(rt2x00dev, rf_reg, &rfcsr);
5775 	rt2x00_set_field8(&rfcsr, FIELD8(0x80), 1);
5776 	rt2800_rfcsr_write(rt2x00dev, rf_reg, rfcsr);
5777 	msleep(1);
5778 	rt2x00_set_field8(&rfcsr, FIELD8(0x80), 0);
5779 	rt2800_rfcsr_write(rt2x00dev, rf_reg, rfcsr);
5780 }
5781 
rt2800_rx_filter_calibration(struct rt2x00_dev * rt2x00dev)5782 static void rt2800_rx_filter_calibration(struct rt2x00_dev *rt2x00dev)
5783 {
5784 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
5785 	u8 filter_tgt_bw20;
5786 	u8 filter_tgt_bw40;
5787 	u8 rfcsr, bbp;
5788 
5789 	/*
5790 	 * TODO: sync filter_tgt values with vendor driver
5791 	 */
5792 	if (rt2x00_rt(rt2x00dev, RT3070)) {
5793 		filter_tgt_bw20 = 0x16;
5794 		filter_tgt_bw40 = 0x19;
5795 	} else {
5796 		filter_tgt_bw20 = 0x13;
5797 		filter_tgt_bw40 = 0x15;
5798 	}
5799 
5800 	drv_data->calibration_bw20 =
5801 		rt2800_init_rx_filter(rt2x00dev, false, filter_tgt_bw20);
5802 	drv_data->calibration_bw40 =
5803 		rt2800_init_rx_filter(rt2x00dev, true, filter_tgt_bw40);
5804 
5805 	/*
5806 	 * Save BBP 25 & 26 values for later use in channel switching (for 3052)
5807 	 */
5808 	rt2800_bbp_read(rt2x00dev, 25, &drv_data->bbp25);
5809 	rt2800_bbp_read(rt2x00dev, 26, &drv_data->bbp26);
5810 
5811 	/*
5812 	 * Set back to initial state
5813 	 */
5814 	rt2800_bbp_write(rt2x00dev, 24, 0);
5815 
5816 	rt2800_rfcsr_read(rt2x00dev, 22, &rfcsr);
5817 	rt2x00_set_field8(&rfcsr, RFCSR22_BASEBAND_LOOPBACK, 0);
5818 	rt2800_rfcsr_write(rt2x00dev, 22, rfcsr);
5819 
5820 	/*
5821 	 * Set BBP back to BW20
5822 	 */
5823 	rt2800_bbp_read(rt2x00dev, 4, &bbp);
5824 	rt2x00_set_field8(&bbp, BBP4_BANDWIDTH, 0);
5825 	rt2800_bbp_write(rt2x00dev, 4, bbp);
5826 }
5827 
rt2800_normal_mode_setup_3xxx(struct rt2x00_dev * rt2x00dev)5828 static void rt2800_normal_mode_setup_3xxx(struct rt2x00_dev *rt2x00dev)
5829 {
5830 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
5831 	u8 min_gain, rfcsr, bbp;
5832 	u16 eeprom;
5833 
5834 	rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr);
5835 
5836 	rt2x00_set_field8(&rfcsr, RFCSR17_TX_LO1_EN, 0);
5837 	if (rt2x00_rt(rt2x00dev, RT3070) ||
5838 	    rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
5839 	    rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E) ||
5840 	    rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E)) {
5841 		if (!rt2x00_has_cap_external_lna_bg(rt2x00dev))
5842 			rt2x00_set_field8(&rfcsr, RFCSR17_R, 1);
5843 	}
5844 
5845 	min_gain = rt2x00_rt(rt2x00dev, RT3070) ? 1 : 2;
5846 	if (drv_data->txmixer_gain_24g >= min_gain) {
5847 		rt2x00_set_field8(&rfcsr, RFCSR17_TXMIXER_GAIN,
5848 				  drv_data->txmixer_gain_24g);
5849 	}
5850 
5851 	rt2800_rfcsr_write(rt2x00dev, 17, rfcsr);
5852 
5853 	if (rt2x00_rt(rt2x00dev, RT3090)) {
5854 		/*  Turn off unused DAC1 and ADC1 to reduce power consumption */
5855 		rt2800_bbp_read(rt2x00dev, 138, &bbp);
5856 		rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
5857 		if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
5858 			rt2x00_set_field8(&bbp, BBP138_RX_ADC1, 0);
5859 		if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
5860 			rt2x00_set_field8(&bbp, BBP138_TX_DAC1, 1);
5861 		rt2800_bbp_write(rt2x00dev, 138, bbp);
5862 	}
5863 
5864 	if (rt2x00_rt(rt2x00dev, RT3070)) {
5865 		rt2800_rfcsr_read(rt2x00dev, 27, &rfcsr);
5866 		if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F))
5867 			rt2x00_set_field8(&rfcsr, RFCSR27_R1, 3);
5868 		else
5869 			rt2x00_set_field8(&rfcsr, RFCSR27_R1, 0);
5870 		rt2x00_set_field8(&rfcsr, RFCSR27_R2, 0);
5871 		rt2x00_set_field8(&rfcsr, RFCSR27_R3, 0);
5872 		rt2x00_set_field8(&rfcsr, RFCSR27_R4, 0);
5873 		rt2800_rfcsr_write(rt2x00dev, 27, rfcsr);
5874 	} else if (rt2x00_rt(rt2x00dev, RT3071) ||
5875 		   rt2x00_rt(rt2x00dev, RT3090) ||
5876 		   rt2x00_rt(rt2x00dev, RT3390)) {
5877 		rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
5878 		rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
5879 		rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
5880 		rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
5881 		rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
5882 		rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
5883 		rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
5884 
5885 		rt2800_rfcsr_read(rt2x00dev, 15, &rfcsr);
5886 		rt2x00_set_field8(&rfcsr, RFCSR15_TX_LO2_EN, 0);
5887 		rt2800_rfcsr_write(rt2x00dev, 15, rfcsr);
5888 
5889 		rt2800_rfcsr_read(rt2x00dev, 20, &rfcsr);
5890 		rt2x00_set_field8(&rfcsr, RFCSR20_RX_LO1_EN, 0);
5891 		rt2800_rfcsr_write(rt2x00dev, 20, rfcsr);
5892 
5893 		rt2800_rfcsr_read(rt2x00dev, 21, &rfcsr);
5894 		rt2x00_set_field8(&rfcsr, RFCSR21_RX_LO2_EN, 0);
5895 		rt2800_rfcsr_write(rt2x00dev, 21, rfcsr);
5896 	}
5897 }
5898 
rt2800_normal_mode_setup_3593(struct rt2x00_dev * rt2x00dev)5899 static void rt2800_normal_mode_setup_3593(struct rt2x00_dev *rt2x00dev)
5900 {
5901 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
5902 	u8 rfcsr;
5903 	u8 tx_gain;
5904 
5905 	rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr);
5906 	rt2x00_set_field8(&rfcsr, RFCSR50_TX_LO2_EN, 0);
5907 	rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
5908 
5909 	rt2800_rfcsr_read(rt2x00dev, 51, &rfcsr);
5910 	tx_gain = rt2x00_get_field8(drv_data->txmixer_gain_24g,
5911 				    RFCSR17_TXMIXER_GAIN);
5912 	rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, tx_gain);
5913 	rt2800_rfcsr_write(rt2x00dev, 51, rfcsr);
5914 
5915 	rt2800_rfcsr_read(rt2x00dev, 38, &rfcsr);
5916 	rt2x00_set_field8(&rfcsr, RFCSR38_RX_LO1_EN, 0);
5917 	rt2800_rfcsr_write(rt2x00dev, 38, rfcsr);
5918 
5919 	rt2800_rfcsr_read(rt2x00dev, 39, &rfcsr);
5920 	rt2x00_set_field8(&rfcsr, RFCSR39_RX_LO2_EN, 0);
5921 	rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
5922 
5923 	rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
5924 	rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
5925 	rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
5926 	rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
5927 
5928 	rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
5929 	rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2);
5930 	rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
5931 
5932 	/* TODO: enable stream mode */
5933 }
5934 
rt2800_normal_mode_setup_5xxx(struct rt2x00_dev * rt2x00dev)5935 static void rt2800_normal_mode_setup_5xxx(struct rt2x00_dev *rt2x00dev)
5936 {
5937 	u8 reg;
5938 	u16 eeprom;
5939 
5940 	/*  Turn off unused DAC1 and ADC1 to reduce power consumption */
5941 	rt2800_bbp_read(rt2x00dev, 138, &reg);
5942 	rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
5943 	if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH) == 1)
5944 		rt2x00_set_field8(&reg, BBP138_RX_ADC1, 0);
5945 	if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH) == 1)
5946 		rt2x00_set_field8(&reg, BBP138_TX_DAC1, 1);
5947 	rt2800_bbp_write(rt2x00dev, 138, reg);
5948 
5949 	rt2800_rfcsr_read(rt2x00dev, 38, &reg);
5950 	rt2x00_set_field8(&reg, RFCSR38_RX_LO1_EN, 0);
5951 	rt2800_rfcsr_write(rt2x00dev, 38, reg);
5952 
5953 	rt2800_rfcsr_read(rt2x00dev, 39, &reg);
5954 	rt2x00_set_field8(&reg, RFCSR39_RX_LO2_EN, 0);
5955 	rt2800_rfcsr_write(rt2x00dev, 39, reg);
5956 
5957 	rt2800_bbp4_mac_if_ctrl(rt2x00dev);
5958 
5959 	rt2800_rfcsr_read(rt2x00dev, 30, &reg);
5960 	rt2x00_set_field8(&reg, RFCSR30_RX_VCM, 2);
5961 	rt2800_rfcsr_write(rt2x00dev, 30, reg);
5962 }
5963 
rt2800_init_rfcsr_305x_soc(struct rt2x00_dev * rt2x00dev)5964 static void rt2800_init_rfcsr_305x_soc(struct rt2x00_dev *rt2x00dev)
5965 {
5966 	rt2800_rf_init_calibration(rt2x00dev, 30);
5967 
5968 	rt2800_rfcsr_write(rt2x00dev, 0, 0x50);
5969 	rt2800_rfcsr_write(rt2x00dev, 1, 0x01);
5970 	rt2800_rfcsr_write(rt2x00dev, 2, 0xf7);
5971 	rt2800_rfcsr_write(rt2x00dev, 3, 0x75);
5972 	rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
5973 	rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
5974 	rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
5975 	rt2800_rfcsr_write(rt2x00dev, 7, 0x50);
5976 	rt2800_rfcsr_write(rt2x00dev, 8, 0x39);
5977 	rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
5978 	rt2800_rfcsr_write(rt2x00dev, 10, 0x60);
5979 	rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
5980 	rt2800_rfcsr_write(rt2x00dev, 12, 0x75);
5981 	rt2800_rfcsr_write(rt2x00dev, 13, 0x75);
5982 	rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
5983 	rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
5984 	rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
5985 	rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
5986 	rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
5987 	rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
5988 	rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
5989 	rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
5990 	rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
5991 	rt2800_rfcsr_write(rt2x00dev, 23, 0x31);
5992 	rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
5993 	rt2800_rfcsr_write(rt2x00dev, 25, 0x01);
5994 	rt2800_rfcsr_write(rt2x00dev, 26, 0x25);
5995 	rt2800_rfcsr_write(rt2x00dev, 27, 0x23);
5996 	rt2800_rfcsr_write(rt2x00dev, 28, 0x13);
5997 	rt2800_rfcsr_write(rt2x00dev, 29, 0x83);
5998 	rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
5999 	rt2800_rfcsr_write(rt2x00dev, 31, 0x00);
6000 }
6001 
rt2800_init_rfcsr_30xx(struct rt2x00_dev * rt2x00dev)6002 static void rt2800_init_rfcsr_30xx(struct rt2x00_dev *rt2x00dev)
6003 {
6004 	u8 rfcsr;
6005 	u16 eeprom;
6006 	u32 reg;
6007 
6008 	/* XXX vendor driver do this only for 3070 */
6009 	rt2800_rf_init_calibration(rt2x00dev, 30);
6010 
6011 	rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
6012 	rt2800_rfcsr_write(rt2x00dev, 5, 0x03);
6013 	rt2800_rfcsr_write(rt2x00dev, 6, 0x02);
6014 	rt2800_rfcsr_write(rt2x00dev, 7, 0x60);
6015 	rt2800_rfcsr_write(rt2x00dev, 9, 0x0f);
6016 	rt2800_rfcsr_write(rt2x00dev, 10, 0x41);
6017 	rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
6018 	rt2800_rfcsr_write(rt2x00dev, 12, 0x7b);
6019 	rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
6020 	rt2800_rfcsr_write(rt2x00dev, 15, 0x58);
6021 	rt2800_rfcsr_write(rt2x00dev, 16, 0xb3);
6022 	rt2800_rfcsr_write(rt2x00dev, 17, 0x92);
6023 	rt2800_rfcsr_write(rt2x00dev, 18, 0x2c);
6024 	rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
6025 	rt2800_rfcsr_write(rt2x00dev, 20, 0xba);
6026 	rt2800_rfcsr_write(rt2x00dev, 21, 0xdb);
6027 	rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
6028 	rt2800_rfcsr_write(rt2x00dev, 25, 0x03);
6029 	rt2800_rfcsr_write(rt2x00dev, 29, 0x1f);
6030 
6031 	if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F)) {
6032 		rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
6033 		rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
6034 		rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
6035 		rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6036 	} else if (rt2x00_rt(rt2x00dev, RT3071) ||
6037 		   rt2x00_rt(rt2x00dev, RT3090)) {
6038 		rt2800_rfcsr_write(rt2x00dev, 31, 0x14);
6039 
6040 		rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
6041 		rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
6042 		rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
6043 
6044 		rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
6045 		rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
6046 		if (rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
6047 		    rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E)) {
6048 			rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1,
6049 					   &eeprom);
6050 			if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_DAC_TEST))
6051 				rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
6052 			else
6053 				rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
6054 		}
6055 		rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6056 
6057 		rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
6058 		rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
6059 		rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
6060 	}
6061 
6062 	rt2800_rx_filter_calibration(rt2x00dev);
6063 
6064 	if (rt2x00_rt_rev_lt(rt2x00dev, RT3070, REV_RT3070F) ||
6065 	    rt2x00_rt_rev_lt(rt2x00dev, RT3071, REV_RT3071E) ||
6066 	    rt2x00_rt_rev_lt(rt2x00dev, RT3090, REV_RT3090E))
6067 		rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
6068 
6069 	rt2800_led_open_drain_enable(rt2x00dev);
6070 	rt2800_normal_mode_setup_3xxx(rt2x00dev);
6071 }
6072 
rt2800_init_rfcsr_3290(struct rt2x00_dev * rt2x00dev)6073 static void rt2800_init_rfcsr_3290(struct rt2x00_dev *rt2x00dev)
6074 {
6075 	u8 rfcsr;
6076 
6077 	rt2800_rf_init_calibration(rt2x00dev, 2);
6078 
6079 	rt2800_rfcsr_write(rt2x00dev, 1, 0x0f);
6080 	rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
6081 	rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
6082 	rt2800_rfcsr_write(rt2x00dev, 4, 0x00);
6083 	rt2800_rfcsr_write(rt2x00dev, 6, 0xa0);
6084 	rt2800_rfcsr_write(rt2x00dev, 8, 0xf3);
6085 	rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
6086 	rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
6087 	rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
6088 	rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
6089 	rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
6090 	rt2800_rfcsr_write(rt2x00dev, 18, 0x02);
6091 	rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
6092 	rt2800_rfcsr_write(rt2x00dev, 25, 0x83);
6093 	rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
6094 	rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
6095 	rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
6096 	rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
6097 	rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
6098 	rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
6099 	rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
6100 	rt2800_rfcsr_write(rt2x00dev, 34, 0x05);
6101 	rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
6102 	rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
6103 	rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
6104 	rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
6105 	rt2800_rfcsr_write(rt2x00dev, 40, 0x0b);
6106 	rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
6107 	rt2800_rfcsr_write(rt2x00dev, 42, 0xd5);
6108 	rt2800_rfcsr_write(rt2x00dev, 43, 0x7b);
6109 	rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
6110 	rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
6111 	rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
6112 	rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
6113 	rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
6114 	rt2800_rfcsr_write(rt2x00dev, 49, 0x98);
6115 	rt2800_rfcsr_write(rt2x00dev, 52, 0x38);
6116 	rt2800_rfcsr_write(rt2x00dev, 53, 0x00);
6117 	rt2800_rfcsr_write(rt2x00dev, 54, 0x78);
6118 	rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
6119 	rt2800_rfcsr_write(rt2x00dev, 56, 0x02);
6120 	rt2800_rfcsr_write(rt2x00dev, 57, 0x80);
6121 	rt2800_rfcsr_write(rt2x00dev, 58, 0x7f);
6122 	rt2800_rfcsr_write(rt2x00dev, 59, 0x09);
6123 	rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
6124 	rt2800_rfcsr_write(rt2x00dev, 61, 0xc1);
6125 
6126 	rt2800_rfcsr_read(rt2x00dev, 29, &rfcsr);
6127 	rt2x00_set_field8(&rfcsr, RFCSR29_RSSI_GAIN, 3);
6128 	rt2800_rfcsr_write(rt2x00dev, 29, rfcsr);
6129 
6130 	rt2800_led_open_drain_enable(rt2x00dev);
6131 	rt2800_normal_mode_setup_3xxx(rt2x00dev);
6132 }
6133 
rt2800_init_rfcsr_3352(struct rt2x00_dev * rt2x00dev)6134 static void rt2800_init_rfcsr_3352(struct rt2x00_dev *rt2x00dev)
6135 {
6136 	rt2800_rf_init_calibration(rt2x00dev, 30);
6137 
6138 	rt2800_rfcsr_write(rt2x00dev, 0, 0xf0);
6139 	rt2800_rfcsr_write(rt2x00dev, 1, 0x23);
6140 	rt2800_rfcsr_write(rt2x00dev, 2, 0x50);
6141 	rt2800_rfcsr_write(rt2x00dev, 3, 0x18);
6142 	rt2800_rfcsr_write(rt2x00dev, 4, 0x00);
6143 	rt2800_rfcsr_write(rt2x00dev, 5, 0x00);
6144 	rt2800_rfcsr_write(rt2x00dev, 6, 0x33);
6145 	rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
6146 	rt2800_rfcsr_write(rt2x00dev, 8, 0xf1);
6147 	rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
6148 	rt2800_rfcsr_write(rt2x00dev, 10, 0xd2);
6149 	rt2800_rfcsr_write(rt2x00dev, 11, 0x42);
6150 	rt2800_rfcsr_write(rt2x00dev, 12, 0x1c);
6151 	rt2800_rfcsr_write(rt2x00dev, 13, 0x00);
6152 	rt2800_rfcsr_write(rt2x00dev, 14, 0x5a);
6153 	rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
6154 	rt2800_rfcsr_write(rt2x00dev, 16, 0x01);
6155 	rt2800_rfcsr_write(rt2x00dev, 18, 0x45);
6156 	rt2800_rfcsr_write(rt2x00dev, 19, 0x02);
6157 	rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
6158 	rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
6159 	rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
6160 	rt2800_rfcsr_write(rt2x00dev, 23, 0x00);
6161 	rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
6162 	rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
6163 	rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
6164 	rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
6165 	rt2800_rfcsr_write(rt2x00dev, 28, 0x03);
6166 	rt2800_rfcsr_write(rt2x00dev, 29, 0x00);
6167 	rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
6168 	rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
6169 	rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
6170 	rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
6171 	rt2800_rfcsr_write(rt2x00dev, 34, 0x01);
6172 	rt2800_rfcsr_write(rt2x00dev, 35, 0x03);
6173 	rt2800_rfcsr_write(rt2x00dev, 36, 0xbd);
6174 	rt2800_rfcsr_write(rt2x00dev, 37, 0x3c);
6175 	rt2800_rfcsr_write(rt2x00dev, 38, 0x5f);
6176 	rt2800_rfcsr_write(rt2x00dev, 39, 0xc5);
6177 	rt2800_rfcsr_write(rt2x00dev, 40, 0x33);
6178 	rt2800_rfcsr_write(rt2x00dev, 41, 0x5b);
6179 	rt2800_rfcsr_write(rt2x00dev, 42, 0x5b);
6180 	rt2800_rfcsr_write(rt2x00dev, 43, 0xdb);
6181 	rt2800_rfcsr_write(rt2x00dev, 44, 0xdb);
6182 	rt2800_rfcsr_write(rt2x00dev, 45, 0xdb);
6183 	rt2800_rfcsr_write(rt2x00dev, 46, 0xdd);
6184 	rt2800_rfcsr_write(rt2x00dev, 47, 0x0d);
6185 	rt2800_rfcsr_write(rt2x00dev, 48, 0x14);
6186 	rt2800_rfcsr_write(rt2x00dev, 49, 0x00);
6187 	rt2800_rfcsr_write(rt2x00dev, 50, 0x2d);
6188 	rt2800_rfcsr_write(rt2x00dev, 51, 0x7f);
6189 	rt2800_rfcsr_write(rt2x00dev, 52, 0x00);
6190 	rt2800_rfcsr_write(rt2x00dev, 53, 0x52);
6191 	rt2800_rfcsr_write(rt2x00dev, 54, 0x1b);
6192 	rt2800_rfcsr_write(rt2x00dev, 55, 0x7f);
6193 	rt2800_rfcsr_write(rt2x00dev, 56, 0x00);
6194 	rt2800_rfcsr_write(rt2x00dev, 57, 0x52);
6195 	rt2800_rfcsr_write(rt2x00dev, 58, 0x1b);
6196 	rt2800_rfcsr_write(rt2x00dev, 59, 0x00);
6197 	rt2800_rfcsr_write(rt2x00dev, 60, 0x00);
6198 	rt2800_rfcsr_write(rt2x00dev, 61, 0x00);
6199 	rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
6200 	rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
6201 
6202 	rt2800_rx_filter_calibration(rt2x00dev);
6203 	rt2800_led_open_drain_enable(rt2x00dev);
6204 	rt2800_normal_mode_setup_3xxx(rt2x00dev);
6205 }
6206 
rt2800_init_rfcsr_3390(struct rt2x00_dev * rt2x00dev)6207 static void rt2800_init_rfcsr_3390(struct rt2x00_dev *rt2x00dev)
6208 {
6209 	u32 reg;
6210 
6211 	rt2800_rf_init_calibration(rt2x00dev, 30);
6212 
6213 	rt2800_rfcsr_write(rt2x00dev, 0, 0xa0);
6214 	rt2800_rfcsr_write(rt2x00dev, 1, 0xe1);
6215 	rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
6216 	rt2800_rfcsr_write(rt2x00dev, 3, 0x62);
6217 	rt2800_rfcsr_write(rt2x00dev, 4, 0x40);
6218 	rt2800_rfcsr_write(rt2x00dev, 5, 0x8b);
6219 	rt2800_rfcsr_write(rt2x00dev, 6, 0x42);
6220 	rt2800_rfcsr_write(rt2x00dev, 7, 0x34);
6221 	rt2800_rfcsr_write(rt2x00dev, 8, 0x00);
6222 	rt2800_rfcsr_write(rt2x00dev, 9, 0xc0);
6223 	rt2800_rfcsr_write(rt2x00dev, 10, 0x61);
6224 	rt2800_rfcsr_write(rt2x00dev, 11, 0x21);
6225 	rt2800_rfcsr_write(rt2x00dev, 12, 0x3b);
6226 	rt2800_rfcsr_write(rt2x00dev, 13, 0xe0);
6227 	rt2800_rfcsr_write(rt2x00dev, 14, 0x90);
6228 	rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
6229 	rt2800_rfcsr_write(rt2x00dev, 16, 0xe0);
6230 	rt2800_rfcsr_write(rt2x00dev, 17, 0x94);
6231 	rt2800_rfcsr_write(rt2x00dev, 18, 0x5c);
6232 	rt2800_rfcsr_write(rt2x00dev, 19, 0x4a);
6233 	rt2800_rfcsr_write(rt2x00dev, 20, 0xb2);
6234 	rt2800_rfcsr_write(rt2x00dev, 21, 0xf6);
6235 	rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
6236 	rt2800_rfcsr_write(rt2x00dev, 23, 0x14);
6237 	rt2800_rfcsr_write(rt2x00dev, 24, 0x08);
6238 	rt2800_rfcsr_write(rt2x00dev, 25, 0x3d);
6239 	rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
6240 	rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
6241 	rt2800_rfcsr_write(rt2x00dev, 28, 0x41);
6242 	rt2800_rfcsr_write(rt2x00dev, 29, 0x8f);
6243 	rt2800_rfcsr_write(rt2x00dev, 30, 0x20);
6244 	rt2800_rfcsr_write(rt2x00dev, 31, 0x0f);
6245 
6246 	rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
6247 	rt2x00_set_field32(&reg, GPIO_SWITCH_5, 0);
6248 	rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
6249 
6250 	rt2800_rx_filter_calibration(rt2x00dev);
6251 
6252 	if (rt2x00_rt_rev_lt(rt2x00dev, RT3390, REV_RT3390E))
6253 		rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
6254 
6255 	rt2800_led_open_drain_enable(rt2x00dev);
6256 	rt2800_normal_mode_setup_3xxx(rt2x00dev);
6257 }
6258 
rt2800_init_rfcsr_3572(struct rt2x00_dev * rt2x00dev)6259 static void rt2800_init_rfcsr_3572(struct rt2x00_dev *rt2x00dev)
6260 {
6261 	u8 rfcsr;
6262 	u32 reg;
6263 
6264 	rt2800_rf_init_calibration(rt2x00dev, 30);
6265 
6266 	rt2800_rfcsr_write(rt2x00dev, 0, 0x70);
6267 	rt2800_rfcsr_write(rt2x00dev, 1, 0x81);
6268 	rt2800_rfcsr_write(rt2x00dev, 2, 0xf1);
6269 	rt2800_rfcsr_write(rt2x00dev, 3, 0x02);
6270 	rt2800_rfcsr_write(rt2x00dev, 4, 0x4c);
6271 	rt2800_rfcsr_write(rt2x00dev, 5, 0x05);
6272 	rt2800_rfcsr_write(rt2x00dev, 6, 0x4a);
6273 	rt2800_rfcsr_write(rt2x00dev, 7, 0xd8);
6274 	rt2800_rfcsr_write(rt2x00dev, 9, 0xc3);
6275 	rt2800_rfcsr_write(rt2x00dev, 10, 0xf1);
6276 	rt2800_rfcsr_write(rt2x00dev, 11, 0xb9);
6277 	rt2800_rfcsr_write(rt2x00dev, 12, 0x70);
6278 	rt2800_rfcsr_write(rt2x00dev, 13, 0x65);
6279 	rt2800_rfcsr_write(rt2x00dev, 14, 0xa0);
6280 	rt2800_rfcsr_write(rt2x00dev, 15, 0x53);
6281 	rt2800_rfcsr_write(rt2x00dev, 16, 0x4c);
6282 	rt2800_rfcsr_write(rt2x00dev, 17, 0x23);
6283 	rt2800_rfcsr_write(rt2x00dev, 18, 0xac);
6284 	rt2800_rfcsr_write(rt2x00dev, 19, 0x93);
6285 	rt2800_rfcsr_write(rt2x00dev, 20, 0xb3);
6286 	rt2800_rfcsr_write(rt2x00dev, 21, 0xd0);
6287 	rt2800_rfcsr_write(rt2x00dev, 22, 0x00);
6288 	rt2800_rfcsr_write(rt2x00dev, 23, 0x3c);
6289 	rt2800_rfcsr_write(rt2x00dev, 24, 0x16);
6290 	rt2800_rfcsr_write(rt2x00dev, 25, 0x15);
6291 	rt2800_rfcsr_write(rt2x00dev, 26, 0x85);
6292 	rt2800_rfcsr_write(rt2x00dev, 27, 0x00);
6293 	rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
6294 	rt2800_rfcsr_write(rt2x00dev, 29, 0x9b);
6295 	rt2800_rfcsr_write(rt2x00dev, 30, 0x09);
6296 	rt2800_rfcsr_write(rt2x00dev, 31, 0x10);
6297 
6298 	rt2800_rfcsr_read(rt2x00dev, 6, &rfcsr);
6299 	rt2x00_set_field8(&rfcsr, RFCSR6_R2, 1);
6300 	rt2800_rfcsr_write(rt2x00dev, 6, rfcsr);
6301 
6302 	rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
6303 	rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
6304 	rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
6305 	rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6306 	msleep(1);
6307 	rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
6308 	rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
6309 	rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
6310 	rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6311 
6312 	rt2800_rx_filter_calibration(rt2x00dev);
6313 	rt2800_led_open_drain_enable(rt2x00dev);
6314 	rt2800_normal_mode_setup_3xxx(rt2x00dev);
6315 }
6316 
rt3593_post_bbp_init(struct rt2x00_dev * rt2x00dev)6317 static void rt3593_post_bbp_init(struct rt2x00_dev *rt2x00dev)
6318 {
6319 	u8 bbp;
6320 	bool txbf_enabled = false; /* FIXME */
6321 
6322 	rt2800_bbp_read(rt2x00dev, 105, &bbp);
6323 	if (rt2x00dev->default_ant.rx_chain_num == 1)
6324 		rt2x00_set_field8(&bbp, BBP105_MLD, 0);
6325 	else
6326 		rt2x00_set_field8(&bbp, BBP105_MLD, 1);
6327 	rt2800_bbp_write(rt2x00dev, 105, bbp);
6328 
6329 	rt2800_bbp4_mac_if_ctrl(rt2x00dev);
6330 
6331 	rt2800_bbp_write(rt2x00dev, 92, 0x02);
6332 	rt2800_bbp_write(rt2x00dev, 82, 0x82);
6333 	rt2800_bbp_write(rt2x00dev, 106, 0x05);
6334 	rt2800_bbp_write(rt2x00dev, 104, 0x92);
6335 	rt2800_bbp_write(rt2x00dev, 88, 0x90);
6336 	rt2800_bbp_write(rt2x00dev, 148, 0xc8);
6337 	rt2800_bbp_write(rt2x00dev, 47, 0x48);
6338 	rt2800_bbp_write(rt2x00dev, 120, 0x50);
6339 
6340 	if (txbf_enabled)
6341 		rt2800_bbp_write(rt2x00dev, 163, 0xbd);
6342 	else
6343 		rt2800_bbp_write(rt2x00dev, 163, 0x9d);
6344 
6345 	/* SNR mapping */
6346 	rt2800_bbp_write(rt2x00dev, 142, 6);
6347 	rt2800_bbp_write(rt2x00dev, 143, 160);
6348 	rt2800_bbp_write(rt2x00dev, 142, 7);
6349 	rt2800_bbp_write(rt2x00dev, 143, 161);
6350 	rt2800_bbp_write(rt2x00dev, 142, 8);
6351 	rt2800_bbp_write(rt2x00dev, 143, 162);
6352 
6353 	/* ADC/DAC control */
6354 	rt2800_bbp_write(rt2x00dev, 31, 0x08);
6355 
6356 	/* RX AGC energy lower bound in log2 */
6357 	rt2800_bbp_write(rt2x00dev, 68, 0x0b);
6358 
6359 	/* FIXME: BBP 105 owerwrite? */
6360 	rt2800_bbp_write(rt2x00dev, 105, 0x04);
6361 
6362 }
6363 
rt2800_init_rfcsr_3593(struct rt2x00_dev * rt2x00dev)6364 static void rt2800_init_rfcsr_3593(struct rt2x00_dev *rt2x00dev)
6365 {
6366 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
6367 	u32 reg;
6368 	u8 rfcsr;
6369 
6370 	/* Disable GPIO #4 and #7 function for LAN PE control */
6371 	rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
6372 	rt2x00_set_field32(&reg, GPIO_SWITCH_4, 0);
6373 	rt2x00_set_field32(&reg, GPIO_SWITCH_7, 0);
6374 	rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
6375 
6376 	/* Initialize default register values */
6377 	rt2800_rfcsr_write(rt2x00dev, 1, 0x03);
6378 	rt2800_rfcsr_write(rt2x00dev, 3, 0x80);
6379 	rt2800_rfcsr_write(rt2x00dev, 5, 0x00);
6380 	rt2800_rfcsr_write(rt2x00dev, 6, 0x40);
6381 	rt2800_rfcsr_write(rt2x00dev, 8, 0xf1);
6382 	rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
6383 	rt2800_rfcsr_write(rt2x00dev, 10, 0xd3);
6384 	rt2800_rfcsr_write(rt2x00dev, 11, 0x40);
6385 	rt2800_rfcsr_write(rt2x00dev, 12, 0x4e);
6386 	rt2800_rfcsr_write(rt2x00dev, 13, 0x12);
6387 	rt2800_rfcsr_write(rt2x00dev, 18, 0x40);
6388 	rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
6389 	rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
6390 	rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
6391 	rt2800_rfcsr_write(rt2x00dev, 32, 0x78);
6392 	rt2800_rfcsr_write(rt2x00dev, 33, 0x3b);
6393 	rt2800_rfcsr_write(rt2x00dev, 34, 0x3c);
6394 	rt2800_rfcsr_write(rt2x00dev, 35, 0xe0);
6395 	rt2800_rfcsr_write(rt2x00dev, 38, 0x86);
6396 	rt2800_rfcsr_write(rt2x00dev, 39, 0x23);
6397 	rt2800_rfcsr_write(rt2x00dev, 44, 0xd3);
6398 	rt2800_rfcsr_write(rt2x00dev, 45, 0xbb);
6399 	rt2800_rfcsr_write(rt2x00dev, 46, 0x60);
6400 	rt2800_rfcsr_write(rt2x00dev, 49, 0x8e);
6401 	rt2800_rfcsr_write(rt2x00dev, 50, 0x86);
6402 	rt2800_rfcsr_write(rt2x00dev, 51, 0x75);
6403 	rt2800_rfcsr_write(rt2x00dev, 52, 0x45);
6404 	rt2800_rfcsr_write(rt2x00dev, 53, 0x18);
6405 	rt2800_rfcsr_write(rt2x00dev, 54, 0x18);
6406 	rt2800_rfcsr_write(rt2x00dev, 55, 0x18);
6407 	rt2800_rfcsr_write(rt2x00dev, 56, 0xdb);
6408 	rt2800_rfcsr_write(rt2x00dev, 57, 0x6e);
6409 
6410 	/* Initiate calibration */
6411 	/* TODO: use rt2800_rf_init_calibration ? */
6412 	rt2800_rfcsr_read(rt2x00dev, 2, &rfcsr);
6413 	rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1);
6414 	rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
6415 
6416 	rt2800_adjust_freq_offset(rt2x00dev);
6417 
6418 	rt2800_rfcsr_read(rt2x00dev, 18, &rfcsr);
6419 	rt2x00_set_field8(&rfcsr, RFCSR18_XO_TUNE_BYPASS, 1);
6420 	rt2800_rfcsr_write(rt2x00dev, 18, rfcsr);
6421 
6422 	rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
6423 	rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
6424 	rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
6425 	rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6426 	usleep_range(1000, 1500);
6427 	rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
6428 	rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
6429 	rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
6430 
6431 	/* Set initial values for RX filter calibration */
6432 	drv_data->calibration_bw20 = 0x1f;
6433 	drv_data->calibration_bw40 = 0x2f;
6434 
6435 	/* Save BBP 25 & 26 values for later use in channel switching */
6436 	rt2800_bbp_read(rt2x00dev, 25, &drv_data->bbp25);
6437 	rt2800_bbp_read(rt2x00dev, 26, &drv_data->bbp26);
6438 
6439 	rt2800_led_open_drain_enable(rt2x00dev);
6440 	rt2800_normal_mode_setup_3593(rt2x00dev);
6441 
6442 	rt3593_post_bbp_init(rt2x00dev);
6443 
6444 	/* TODO: enable stream mode support */
6445 }
6446 
rt2800_init_rfcsr_5390(struct rt2x00_dev * rt2x00dev)6447 static void rt2800_init_rfcsr_5390(struct rt2x00_dev *rt2x00dev)
6448 {
6449 	rt2800_rf_init_calibration(rt2x00dev, 2);
6450 
6451 	rt2800_rfcsr_write(rt2x00dev, 1, 0x0f);
6452 	rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
6453 	rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
6454 	rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
6455 	if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
6456 		rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
6457 	else
6458 		rt2800_rfcsr_write(rt2x00dev, 6, 0xa0);
6459 	rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
6460 	rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
6461 	rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
6462 	rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
6463 	rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
6464 	rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
6465 	rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
6466 	rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
6467 	rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
6468 	rt2800_rfcsr_write(rt2x00dev, 19, 0x00);
6469 
6470 	rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
6471 	rt2800_rfcsr_write(rt2x00dev, 21, 0x00);
6472 	rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
6473 	rt2800_rfcsr_write(rt2x00dev, 23, 0x00);
6474 	rt2800_rfcsr_write(rt2x00dev, 24, 0x00);
6475 	if (rt2x00_is_usb(rt2x00dev) &&
6476 	    rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
6477 		rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
6478 	else
6479 		rt2800_rfcsr_write(rt2x00dev, 25, 0xc0);
6480 	rt2800_rfcsr_write(rt2x00dev, 26, 0x00);
6481 	rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
6482 	rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
6483 	rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
6484 
6485 	rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
6486 	rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
6487 	rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
6488 	rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
6489 	rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
6490 	rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
6491 	rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
6492 	rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
6493 	rt2800_rfcsr_write(rt2x00dev, 38, 0x85);
6494 	rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
6495 
6496 	rt2800_rfcsr_write(rt2x00dev, 40, 0x0b);
6497 	rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
6498 	rt2800_rfcsr_write(rt2x00dev, 42, 0xd2);
6499 	rt2800_rfcsr_write(rt2x00dev, 43, 0x9a);
6500 	rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
6501 	rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
6502 	if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
6503 		rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
6504 	else
6505 		rt2800_rfcsr_write(rt2x00dev, 46, 0x7b);
6506 	rt2800_rfcsr_write(rt2x00dev, 47, 0x00);
6507 	rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
6508 	rt2800_rfcsr_write(rt2x00dev, 49, 0x94);
6509 
6510 	rt2800_rfcsr_write(rt2x00dev, 52, 0x38);
6511 	if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
6512 		rt2800_rfcsr_write(rt2x00dev, 53, 0x00);
6513 	else
6514 		rt2800_rfcsr_write(rt2x00dev, 53, 0x84);
6515 	rt2800_rfcsr_write(rt2x00dev, 54, 0x78);
6516 	rt2800_rfcsr_write(rt2x00dev, 55, 0x44);
6517 	if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
6518 		rt2800_rfcsr_write(rt2x00dev, 56, 0x42);
6519 	else
6520 		rt2800_rfcsr_write(rt2x00dev, 56, 0x22);
6521 	rt2800_rfcsr_write(rt2x00dev, 57, 0x80);
6522 	rt2800_rfcsr_write(rt2x00dev, 58, 0x7f);
6523 	rt2800_rfcsr_write(rt2x00dev, 59, 0x8f);
6524 
6525 	rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
6526 	if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F)) {
6527 		if (rt2x00_is_usb(rt2x00dev))
6528 			rt2800_rfcsr_write(rt2x00dev, 61, 0xd1);
6529 		else
6530 			rt2800_rfcsr_write(rt2x00dev, 61, 0xd5);
6531 	} else {
6532 		if (rt2x00_is_usb(rt2x00dev))
6533 			rt2800_rfcsr_write(rt2x00dev, 61, 0xdd);
6534 		else
6535 			rt2800_rfcsr_write(rt2x00dev, 61, 0xb5);
6536 	}
6537 	rt2800_rfcsr_write(rt2x00dev, 62, 0x00);
6538 	rt2800_rfcsr_write(rt2x00dev, 63, 0x00);
6539 
6540 	rt2800_normal_mode_setup_5xxx(rt2x00dev);
6541 
6542 	rt2800_led_open_drain_enable(rt2x00dev);
6543 }
6544 
rt2800_init_rfcsr_5392(struct rt2x00_dev * rt2x00dev)6545 static void rt2800_init_rfcsr_5392(struct rt2x00_dev *rt2x00dev)
6546 {
6547 	rt2800_rf_init_calibration(rt2x00dev, 2);
6548 
6549 	rt2800_rfcsr_write(rt2x00dev, 1, 0x17);
6550 	rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
6551 	rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
6552 	rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);
6553 	rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
6554 	rt2800_rfcsr_write(rt2x00dev, 10, 0x53);
6555 	rt2800_rfcsr_write(rt2x00dev, 11, 0x4a);
6556 	rt2800_rfcsr_write(rt2x00dev, 12, 0x46);
6557 	rt2800_rfcsr_write(rt2x00dev, 13, 0x9f);
6558 	rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
6559 	rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
6560 	rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
6561 	rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
6562 	rt2800_rfcsr_write(rt2x00dev, 19, 0x4d);
6563 	rt2800_rfcsr_write(rt2x00dev, 20, 0x00);
6564 	rt2800_rfcsr_write(rt2x00dev, 21, 0x8d);
6565 	rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
6566 	rt2800_rfcsr_write(rt2x00dev, 23, 0x0b);
6567 	rt2800_rfcsr_write(rt2x00dev, 24, 0x44);
6568 	rt2800_rfcsr_write(rt2x00dev, 25, 0x80);
6569 	rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
6570 	rt2800_rfcsr_write(rt2x00dev, 27, 0x09);
6571 	rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
6572 	rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
6573 	rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
6574 	rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
6575 	rt2800_rfcsr_write(rt2x00dev, 32, 0x20);
6576 	rt2800_rfcsr_write(rt2x00dev, 33, 0xC0);
6577 	rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
6578 	rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
6579 	rt2800_rfcsr_write(rt2x00dev, 36, 0x00);
6580 	rt2800_rfcsr_write(rt2x00dev, 37, 0x08);
6581 	rt2800_rfcsr_write(rt2x00dev, 38, 0x89);
6582 	rt2800_rfcsr_write(rt2x00dev, 39, 0x1b);
6583 	rt2800_rfcsr_write(rt2x00dev, 40, 0x0f);
6584 	rt2800_rfcsr_write(rt2x00dev, 41, 0xbb);
6585 	rt2800_rfcsr_write(rt2x00dev, 42, 0xd5);
6586 	rt2800_rfcsr_write(rt2x00dev, 43, 0x9b);
6587 	rt2800_rfcsr_write(rt2x00dev, 44, 0x0e);
6588 	rt2800_rfcsr_write(rt2x00dev, 45, 0xa2);
6589 	rt2800_rfcsr_write(rt2x00dev, 46, 0x73);
6590 	rt2800_rfcsr_write(rt2x00dev, 47, 0x0c);
6591 	rt2800_rfcsr_write(rt2x00dev, 48, 0x10);
6592 	rt2800_rfcsr_write(rt2x00dev, 49, 0x94);
6593 	rt2800_rfcsr_write(rt2x00dev, 50, 0x94);
6594 	rt2800_rfcsr_write(rt2x00dev, 51, 0x3a);
6595 	rt2800_rfcsr_write(rt2x00dev, 52, 0x48);
6596 	rt2800_rfcsr_write(rt2x00dev, 53, 0x44);
6597 	rt2800_rfcsr_write(rt2x00dev, 54, 0x38);
6598 	rt2800_rfcsr_write(rt2x00dev, 55, 0x43);
6599 	rt2800_rfcsr_write(rt2x00dev, 56, 0xa1);
6600 	rt2800_rfcsr_write(rt2x00dev, 57, 0x00);
6601 	rt2800_rfcsr_write(rt2x00dev, 58, 0x39);
6602 	rt2800_rfcsr_write(rt2x00dev, 59, 0x07);
6603 	rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
6604 	rt2800_rfcsr_write(rt2x00dev, 61, 0x91);
6605 	rt2800_rfcsr_write(rt2x00dev, 62, 0x39);
6606 	rt2800_rfcsr_write(rt2x00dev, 63, 0x07);
6607 
6608 	rt2800_normal_mode_setup_5xxx(rt2x00dev);
6609 
6610 	rt2800_led_open_drain_enable(rt2x00dev);
6611 }
6612 
rt2800_init_rfcsr_5592(struct rt2x00_dev * rt2x00dev)6613 static void rt2800_init_rfcsr_5592(struct rt2x00_dev *rt2x00dev)
6614 {
6615 	rt2800_rf_init_calibration(rt2x00dev, 30);
6616 
6617 	rt2800_rfcsr_write(rt2x00dev, 1, 0x3F);
6618 	rt2800_rfcsr_write(rt2x00dev, 3, 0x08);
6619 	rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
6620 	rt2800_rfcsr_write(rt2x00dev, 6, 0xE4);
6621 	rt2800_rfcsr_write(rt2x00dev, 7, 0x00);
6622 	rt2800_rfcsr_write(rt2x00dev, 14, 0x00);
6623 	rt2800_rfcsr_write(rt2x00dev, 15, 0x00);
6624 	rt2800_rfcsr_write(rt2x00dev, 16, 0x00);
6625 	rt2800_rfcsr_write(rt2x00dev, 18, 0x03);
6626 	rt2800_rfcsr_write(rt2x00dev, 19, 0x4D);
6627 	rt2800_rfcsr_write(rt2x00dev, 20, 0x10);
6628 	rt2800_rfcsr_write(rt2x00dev, 21, 0x8D);
6629 	rt2800_rfcsr_write(rt2x00dev, 26, 0x82);
6630 	rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
6631 	rt2800_rfcsr_write(rt2x00dev, 29, 0x10);
6632 	rt2800_rfcsr_write(rt2x00dev, 33, 0xC0);
6633 	rt2800_rfcsr_write(rt2x00dev, 34, 0x07);
6634 	rt2800_rfcsr_write(rt2x00dev, 35, 0x12);
6635 	rt2800_rfcsr_write(rt2x00dev, 47, 0x0C);
6636 	rt2800_rfcsr_write(rt2x00dev, 53, 0x22);
6637 	rt2800_rfcsr_write(rt2x00dev, 63, 0x07);
6638 
6639 	rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
6640 	msleep(1);
6641 
6642 	rt2800_adjust_freq_offset(rt2x00dev);
6643 
6644 	/* Enable DC filter */
6645 	if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C))
6646 		rt2800_bbp_write(rt2x00dev, 103, 0xc0);
6647 
6648 	rt2800_normal_mode_setup_5xxx(rt2x00dev);
6649 
6650 	if (rt2x00_rt_rev_lt(rt2x00dev, RT5592, REV_RT5592C))
6651 		rt2800_rfcsr_write(rt2x00dev, 27, 0x03);
6652 
6653 	rt2800_led_open_drain_enable(rt2x00dev);
6654 }
6655 
rt2800_init_rfcsr(struct rt2x00_dev * rt2x00dev)6656 static void rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
6657 {
6658 	if (rt2800_is_305x_soc(rt2x00dev)) {
6659 		rt2800_init_rfcsr_305x_soc(rt2x00dev);
6660 		return;
6661 	}
6662 
6663 	switch (rt2x00dev->chip.rt) {
6664 	case RT3070:
6665 	case RT3071:
6666 	case RT3090:
6667 		rt2800_init_rfcsr_30xx(rt2x00dev);
6668 		break;
6669 	case RT3290:
6670 		rt2800_init_rfcsr_3290(rt2x00dev);
6671 		break;
6672 	case RT3352:
6673 		rt2800_init_rfcsr_3352(rt2x00dev);
6674 		break;
6675 	case RT3390:
6676 		rt2800_init_rfcsr_3390(rt2x00dev);
6677 		break;
6678 	case RT3572:
6679 		rt2800_init_rfcsr_3572(rt2x00dev);
6680 		break;
6681 	case RT3593:
6682 		rt2800_init_rfcsr_3593(rt2x00dev);
6683 		break;
6684 	case RT5390:
6685 		rt2800_init_rfcsr_5390(rt2x00dev);
6686 		break;
6687 	case RT5392:
6688 		rt2800_init_rfcsr_5392(rt2x00dev);
6689 		break;
6690 	case RT5592:
6691 		rt2800_init_rfcsr_5592(rt2x00dev);
6692 		break;
6693 	}
6694 }
6695 
rt2800_enable_radio(struct rt2x00_dev * rt2x00dev)6696 int rt2800_enable_radio(struct rt2x00_dev *rt2x00dev)
6697 {
6698 	u32 reg;
6699 	u16 word;
6700 
6701 	/*
6702 	 * Initialize MAC registers.
6703 	 */
6704 	if (unlikely(rt2800_wait_wpdma_ready(rt2x00dev) ||
6705 		     rt2800_init_registers(rt2x00dev)))
6706 		return -EIO;
6707 
6708 	/*
6709 	 * Wait BBP/RF to wake up.
6710 	 */
6711 	if (unlikely(rt2800_wait_bbp_rf_ready(rt2x00dev)))
6712 		return -EIO;
6713 
6714 	/*
6715 	 * Send signal during boot time to initialize firmware.
6716 	 */
6717 	rt2800_register_write(rt2x00dev, H2M_BBP_AGENT, 0);
6718 	rt2800_register_write(rt2x00dev, H2M_MAILBOX_CSR, 0);
6719 	if (rt2x00_is_usb(rt2x00dev))
6720 		rt2800_register_write(rt2x00dev, H2M_INT_SRC, 0);
6721 	rt2800_mcu_request(rt2x00dev, MCU_BOOT_SIGNAL, 0, 0, 0);
6722 	msleep(1);
6723 
6724 	/*
6725 	 * Make sure BBP is up and running.
6726 	 */
6727 	if (unlikely(rt2800_wait_bbp_ready(rt2x00dev)))
6728 		return -EIO;
6729 
6730 	/*
6731 	 * Initialize BBP/RF registers.
6732 	 */
6733 	rt2800_init_bbp(rt2x00dev);
6734 	rt2800_init_rfcsr(rt2x00dev);
6735 
6736 	if (rt2x00_is_usb(rt2x00dev) &&
6737 	    (rt2x00_rt(rt2x00dev, RT3070) ||
6738 	     rt2x00_rt(rt2x00dev, RT3071) ||
6739 	     rt2x00_rt(rt2x00dev, RT3572))) {
6740 		udelay(200);
6741 		rt2800_mcu_request(rt2x00dev, MCU_CURRENT, 0, 0, 0);
6742 		udelay(10);
6743 	}
6744 
6745 	/*
6746 	 * Enable RX.
6747 	 */
6748 	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
6749 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
6750 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
6751 	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
6752 
6753 	udelay(50);
6754 
6755 	rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, &reg);
6756 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_TX_DMA, 1);
6757 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_ENABLE_RX_DMA, 1);
6758 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_WP_DMA_BURST_SIZE, 2);
6759 	rt2x00_set_field32(&reg, WPDMA_GLO_CFG_TX_WRITEBACK_DONE, 1);
6760 	rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
6761 
6762 	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
6763 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 1);
6764 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
6765 	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
6766 
6767 	/*
6768 	 * Initialize LED control
6769 	 */
6770 	rt2800_eeprom_read(rt2x00dev, EEPROM_LED_AG_CONF, &word);
6771 	rt2800_mcu_request(rt2x00dev, MCU_LED_AG_CONF, 0xff,
6772 			   word & 0xff, (word >> 8) & 0xff);
6773 
6774 	rt2800_eeprom_read(rt2x00dev, EEPROM_LED_ACT_CONF, &word);
6775 	rt2800_mcu_request(rt2x00dev, MCU_LED_ACT_CONF, 0xff,
6776 			   word & 0xff, (word >> 8) & 0xff);
6777 
6778 	rt2800_eeprom_read(rt2x00dev, EEPROM_LED_POLARITY, &word);
6779 	rt2800_mcu_request(rt2x00dev, MCU_LED_LED_POLARITY, 0xff,
6780 			   word & 0xff, (word >> 8) & 0xff);
6781 
6782 	return 0;
6783 }
6784 EXPORT_SYMBOL_GPL(rt2800_enable_radio);
6785 
rt2800_disable_radio(struct rt2x00_dev * rt2x00dev)6786 void rt2800_disable_radio(struct rt2x00_dev *rt2x00dev)
6787 {
6788 	u32 reg;
6789 
6790 	rt2800_disable_wpdma(rt2x00dev);
6791 
6792 	/* Wait for DMA, ignore error */
6793 	rt2800_wait_wpdma_ready(rt2x00dev);
6794 
6795 	rt2800_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
6796 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_TX, 0);
6797 	rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
6798 	rt2800_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
6799 }
6800 EXPORT_SYMBOL_GPL(rt2800_disable_radio);
6801 
rt2800_efuse_detect(struct rt2x00_dev * rt2x00dev)6802 int rt2800_efuse_detect(struct rt2x00_dev *rt2x00dev)
6803 {
6804 	u32 reg;
6805 	u16 efuse_ctrl_reg;
6806 
6807 	if (rt2x00_rt(rt2x00dev, RT3290))
6808 		efuse_ctrl_reg = EFUSE_CTRL_3290;
6809 	else
6810 		efuse_ctrl_reg = EFUSE_CTRL;
6811 
6812 	rt2800_register_read(rt2x00dev, efuse_ctrl_reg, &reg);
6813 	return rt2x00_get_field32(reg, EFUSE_CTRL_PRESENT);
6814 }
6815 EXPORT_SYMBOL_GPL(rt2800_efuse_detect);
6816 
rt2800_efuse_read(struct rt2x00_dev * rt2x00dev,unsigned int i)6817 static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i)
6818 {
6819 	u32 reg;
6820 	u16 efuse_ctrl_reg;
6821 	u16 efuse_data0_reg;
6822 	u16 efuse_data1_reg;
6823 	u16 efuse_data2_reg;
6824 	u16 efuse_data3_reg;
6825 
6826 	if (rt2x00_rt(rt2x00dev, RT3290)) {
6827 		efuse_ctrl_reg = EFUSE_CTRL_3290;
6828 		efuse_data0_reg = EFUSE_DATA0_3290;
6829 		efuse_data1_reg = EFUSE_DATA1_3290;
6830 		efuse_data2_reg = EFUSE_DATA2_3290;
6831 		efuse_data3_reg = EFUSE_DATA3_3290;
6832 	} else {
6833 		efuse_ctrl_reg = EFUSE_CTRL;
6834 		efuse_data0_reg = EFUSE_DATA0;
6835 		efuse_data1_reg = EFUSE_DATA1;
6836 		efuse_data2_reg = EFUSE_DATA2;
6837 		efuse_data3_reg = EFUSE_DATA3;
6838 	}
6839 	mutex_lock(&rt2x00dev->csr_mutex);
6840 
6841 	rt2800_register_read_lock(rt2x00dev, efuse_ctrl_reg, &reg);
6842 	rt2x00_set_field32(&reg, EFUSE_CTRL_ADDRESS_IN, i);
6843 	rt2x00_set_field32(&reg, EFUSE_CTRL_MODE, 0);
6844 	rt2x00_set_field32(&reg, EFUSE_CTRL_KICK, 1);
6845 	rt2800_register_write_lock(rt2x00dev, efuse_ctrl_reg, reg);
6846 
6847 	/* Wait until the EEPROM has been loaded */
6848 	rt2800_regbusy_read(rt2x00dev, efuse_ctrl_reg, EFUSE_CTRL_KICK, &reg);
6849 	/* Apparently the data is read from end to start */
6850 	rt2800_register_read_lock(rt2x00dev, efuse_data3_reg, &reg);
6851 	/* The returned value is in CPU order, but eeprom is le */
6852 	*(u32 *)&rt2x00dev->eeprom[i] = cpu_to_le32(reg);
6853 	rt2800_register_read_lock(rt2x00dev, efuse_data2_reg, &reg);
6854 	*(u32 *)&rt2x00dev->eeprom[i + 2] = cpu_to_le32(reg);
6855 	rt2800_register_read_lock(rt2x00dev, efuse_data1_reg, &reg);
6856 	*(u32 *)&rt2x00dev->eeprom[i + 4] = cpu_to_le32(reg);
6857 	rt2800_register_read_lock(rt2x00dev, efuse_data0_reg, &reg);
6858 	*(u32 *)&rt2x00dev->eeprom[i + 6] = cpu_to_le32(reg);
6859 
6860 	mutex_unlock(&rt2x00dev->csr_mutex);
6861 }
6862 
rt2800_read_eeprom_efuse(struct rt2x00_dev * rt2x00dev)6863 int rt2800_read_eeprom_efuse(struct rt2x00_dev *rt2x00dev)
6864 {
6865 	unsigned int i;
6866 
6867 	for (i = 0; i < EEPROM_SIZE / sizeof(u16); i += 8)
6868 		rt2800_efuse_read(rt2x00dev, i);
6869 
6870 	return 0;
6871 }
6872 EXPORT_SYMBOL_GPL(rt2800_read_eeprom_efuse);
6873 
rt2800_get_txmixer_gain_24g(struct rt2x00_dev * rt2x00dev)6874 static u8 rt2800_get_txmixer_gain_24g(struct rt2x00_dev *rt2x00dev)
6875 {
6876 	u16 word;
6877 
6878 	if (rt2x00_rt(rt2x00dev, RT3593))
6879 		return 0;
6880 
6881 	rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_BG, &word);
6882 	if ((word & 0x00ff) != 0x00ff)
6883 		return rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_BG_VAL);
6884 
6885 	return 0;
6886 }
6887 
rt2800_get_txmixer_gain_5g(struct rt2x00_dev * rt2x00dev)6888 static u8 rt2800_get_txmixer_gain_5g(struct rt2x00_dev *rt2x00dev)
6889 {
6890 	u16 word;
6891 
6892 	if (rt2x00_rt(rt2x00dev, RT3593))
6893 		return 0;
6894 
6895 	rt2800_eeprom_read(rt2x00dev, EEPROM_TXMIXER_GAIN_A, &word);
6896 	if ((word & 0x00ff) != 0x00ff)
6897 		return rt2x00_get_field16(word, EEPROM_TXMIXER_GAIN_A_VAL);
6898 
6899 	return 0;
6900 }
6901 
rt2800_validate_eeprom(struct rt2x00_dev * rt2x00dev)6902 static int rt2800_validate_eeprom(struct rt2x00_dev *rt2x00dev)
6903 {
6904 	struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
6905 	u16 word;
6906 	u8 *mac;
6907 	u8 default_lna_gain;
6908 	int retval;
6909 
6910 	/*
6911 	 * Read the EEPROM.
6912 	 */
6913 	retval = rt2800_read_eeprom(rt2x00dev);
6914 	if (retval)
6915 		return retval;
6916 
6917 	/*
6918 	 * Start validation of the data that has been read.
6919 	 */
6920 	mac = rt2800_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
6921 	if (!is_valid_ether_addr(mac)) {
6922 		eth_random_addr(mac);
6923 		rt2x00_eeprom_dbg(rt2x00dev, "MAC: %pM\n", mac);
6924 	}
6925 
6926 	rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &word);
6927 	if (word == 0xffff) {
6928 		rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
6929 		rt2x00_set_field16(&word, EEPROM_NIC_CONF0_TXPATH, 1);
6930 		rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RF_TYPE, RF2820);
6931 		rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
6932 		rt2x00_eeprom_dbg(rt2x00dev, "Antenna: 0x%04x\n", word);
6933 	} else if (rt2x00_rt(rt2x00dev, RT2860) ||
6934 		   rt2x00_rt(rt2x00dev, RT2872)) {
6935 		/*
6936 		 * There is a max of 2 RX streams for RT28x0 series
6937 		 */
6938 		if (rt2x00_get_field16(word, EEPROM_NIC_CONF0_RXPATH) > 2)
6939 			rt2x00_set_field16(&word, EEPROM_NIC_CONF0_RXPATH, 2);
6940 		rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF0, word);
6941 	}
6942 
6943 	rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &word);
6944 	if (word == 0xffff) {
6945 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_HW_RADIO, 0);
6946 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_TX_ALC, 0);
6947 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G, 0);
6948 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G, 0);
6949 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_CARDBUS_ACCEL, 0);
6950 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_2G, 0);
6951 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_SB_5G, 0);
6952 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_WPS_PBC, 0);
6953 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_2G, 0);
6954 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BW40M_5G, 0);
6955 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BROADBAND_EXT_LNA, 0);
6956 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_ANT_DIVERSITY, 0);
6957 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_INTERNAL_TX_ALC, 0);
6958 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_BT_COEXIST, 0);
6959 		rt2x00_set_field16(&word, EEPROM_NIC_CONF1_DAC_TEST, 0);
6960 		rt2800_eeprom_write(rt2x00dev, EEPROM_NIC_CONF1, word);
6961 		rt2x00_eeprom_dbg(rt2x00dev, "NIC: 0x%04x\n", word);
6962 	}
6963 
6964 	rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ, &word);
6965 	if ((word & 0x00ff) == 0x00ff) {
6966 		rt2x00_set_field16(&word, EEPROM_FREQ_OFFSET, 0);
6967 		rt2800_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
6968 		rt2x00_eeprom_dbg(rt2x00dev, "Freq: 0x%04x\n", word);
6969 	}
6970 	if ((word & 0xff00) == 0xff00) {
6971 		rt2x00_set_field16(&word, EEPROM_FREQ_LED_MODE,
6972 				   LED_MODE_TXRX_ACTIVITY);
6973 		rt2x00_set_field16(&word, EEPROM_FREQ_LED_POLARITY, 0);
6974 		rt2800_eeprom_write(rt2x00dev, EEPROM_FREQ, word);
6975 		rt2800_eeprom_write(rt2x00dev, EEPROM_LED_AG_CONF, 0x5555);
6976 		rt2800_eeprom_write(rt2x00dev, EEPROM_LED_ACT_CONF, 0x2221);
6977 		rt2800_eeprom_write(rt2x00dev, EEPROM_LED_POLARITY, 0xa9f8);
6978 		rt2x00_eeprom_dbg(rt2x00dev, "Led Mode: 0x%04x\n", word);
6979 	}
6980 
6981 	/*
6982 	 * During the LNA validation we are going to use
6983 	 * lna0 as correct value. Note that EEPROM_LNA
6984 	 * is never validated.
6985 	 */
6986 	rt2800_eeprom_read(rt2x00dev, EEPROM_LNA, &word);
6987 	default_lna_gain = rt2x00_get_field16(word, EEPROM_LNA_A0);
6988 
6989 	rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &word);
6990 	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET0)) > 10)
6991 		rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET0, 0);
6992 	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG_OFFSET1)) > 10)
6993 		rt2x00_set_field16(&word, EEPROM_RSSI_BG_OFFSET1, 0);
6994 	rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_BG, word);
6995 
6996 	drv_data->txmixer_gain_24g = rt2800_get_txmixer_gain_24g(rt2x00dev);
6997 
6998 	rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_BG2, &word);
6999 	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_BG2_OFFSET2)) > 10)
7000 		rt2x00_set_field16(&word, EEPROM_RSSI_BG2_OFFSET2, 0);
7001 	if (!rt2x00_rt(rt2x00dev, RT3593)) {
7002 		if (rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0x00 ||
7003 		    rt2x00_get_field16(word, EEPROM_RSSI_BG2_LNA_A1) == 0xff)
7004 			rt2x00_set_field16(&word, EEPROM_RSSI_BG2_LNA_A1,
7005 					   default_lna_gain);
7006 	}
7007 	rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_BG2, word);
7008 
7009 	drv_data->txmixer_gain_5g = rt2800_get_txmixer_gain_5g(rt2x00dev);
7010 
7011 	rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A, &word);
7012 	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET0)) > 10)
7013 		rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET0, 0);
7014 	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A_OFFSET1)) > 10)
7015 		rt2x00_set_field16(&word, EEPROM_RSSI_A_OFFSET1, 0);
7016 	rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_A, word);
7017 
7018 	rt2800_eeprom_read(rt2x00dev, EEPROM_RSSI_A2, &word);
7019 	if (abs(rt2x00_get_field16(word, EEPROM_RSSI_A2_OFFSET2)) > 10)
7020 		rt2x00_set_field16(&word, EEPROM_RSSI_A2_OFFSET2, 0);
7021 	if (!rt2x00_rt(rt2x00dev, RT3593)) {
7022 		if (rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0x00 ||
7023 		    rt2x00_get_field16(word, EEPROM_RSSI_A2_LNA_A2) == 0xff)
7024 			rt2x00_set_field16(&word, EEPROM_RSSI_A2_LNA_A2,
7025 					   default_lna_gain);
7026 	}
7027 	rt2800_eeprom_write(rt2x00dev, EEPROM_RSSI_A2, word);
7028 
7029 	if (rt2x00_rt(rt2x00dev, RT3593)) {
7030 		rt2800_eeprom_read(rt2x00dev, EEPROM_EXT_LNA2, &word);
7031 		if (rt2x00_get_field16(word, EEPROM_EXT_LNA2_A1) == 0x00 ||
7032 		    rt2x00_get_field16(word, EEPROM_EXT_LNA2_A1) == 0xff)
7033 			rt2x00_set_field16(&word, EEPROM_EXT_LNA2_A1,
7034 					   default_lna_gain);
7035 		if (rt2x00_get_field16(word, EEPROM_EXT_LNA2_A2) == 0x00 ||
7036 		    rt2x00_get_field16(word, EEPROM_EXT_LNA2_A2) == 0xff)
7037 			rt2x00_set_field16(&word, EEPROM_EXT_LNA2_A1,
7038 					   default_lna_gain);
7039 		rt2800_eeprom_write(rt2x00dev, EEPROM_EXT_LNA2, word);
7040 	}
7041 
7042 	return 0;
7043 }
7044 
rt2800_init_eeprom(struct rt2x00_dev * rt2x00dev)7045 static int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev)
7046 {
7047 	u16 value;
7048 	u16 eeprom;
7049 	u16 rf;
7050 
7051 	/*
7052 	 * Read EEPROM word for configuration.
7053 	 */
7054 	rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF0, &eeprom);
7055 
7056 	/*
7057 	 * Identify RF chipset by EEPROM value
7058 	 * RT28xx/RT30xx: defined in "EEPROM_NIC_CONF0_RF_TYPE" field
7059 	 * RT53xx: defined in "EEPROM_CHIP_ID" field
7060 	 */
7061 	if (rt2x00_rt(rt2x00dev, RT3290) ||
7062 	    rt2x00_rt(rt2x00dev, RT5390) ||
7063 	    rt2x00_rt(rt2x00dev, RT5392))
7064 		rt2800_eeprom_read(rt2x00dev, EEPROM_CHIP_ID, &rf);
7065 	else
7066 		rf = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RF_TYPE);
7067 
7068 	switch (rf) {
7069 	case RF2820:
7070 	case RF2850:
7071 	case RF2720:
7072 	case RF2750:
7073 	case RF3020:
7074 	case RF2020:
7075 	case RF3021:
7076 	case RF3022:
7077 	case RF3052:
7078 	case RF3053:
7079 	case RF3070:
7080 	case RF3290:
7081 	case RF3320:
7082 	case RF3322:
7083 	case RF5360:
7084 	case RF5362:
7085 	case RF5370:
7086 	case RF5372:
7087 	case RF5390:
7088 	case RF5392:
7089 	case RF5592:
7090 		break;
7091 	default:
7092 		rt2x00_err(rt2x00dev, "Invalid RF chipset 0x%04x detected\n",
7093 			   rf);
7094 		return -ENODEV;
7095 	}
7096 
7097 	rt2x00_set_rf(rt2x00dev, rf);
7098 
7099 	/*
7100 	 * Identify default antenna configuration.
7101 	 */
7102 	rt2x00dev->default_ant.tx_chain_num =
7103 	    rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_TXPATH);
7104 	rt2x00dev->default_ant.rx_chain_num =
7105 	    rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RXPATH);
7106 
7107 	rt2800_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom);
7108 
7109 	if (rt2x00_rt(rt2x00dev, RT3070) ||
7110 	    rt2x00_rt(rt2x00dev, RT3090) ||
7111 	    rt2x00_rt(rt2x00dev, RT3352) ||
7112 	    rt2x00_rt(rt2x00dev, RT3390)) {
7113 		value = rt2x00_get_field16(eeprom,
7114 				EEPROM_NIC_CONF1_ANT_DIVERSITY);
7115 		switch (value) {
7116 		case 0:
7117 		case 1:
7118 		case 2:
7119 			rt2x00dev->default_ant.tx = ANTENNA_A;
7120 			rt2x00dev->default_ant.rx = ANTENNA_A;
7121 			break;
7122 		case 3:
7123 			rt2x00dev->default_ant.tx = ANTENNA_A;
7124 			rt2x00dev->default_ant.rx = ANTENNA_B;
7125 			break;
7126 		}
7127 	} else {
7128 		rt2x00dev->default_ant.tx = ANTENNA_A;
7129 		rt2x00dev->default_ant.rx = ANTENNA_A;
7130 	}
7131 
7132 	if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390R)) {
7133 		rt2x00dev->default_ant.tx = ANTENNA_HW_DIVERSITY; /* Unused */
7134 		rt2x00dev->default_ant.rx = ANTENNA_HW_DIVERSITY; /* Unused */
7135 	}
7136 
7137 	/*
7138 	 * Determine external LNA informations.
7139 	 */
7140 	if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_5G))
7141 		__set_bit(CAPABILITY_EXTERNAL_LNA_A, &rt2x00dev->cap_flags);
7142 	if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_EXTERNAL_LNA_2G))
7143 		__set_bit(CAPABILITY_EXTERNAL_LNA_BG, &rt2x00dev->cap_flags);
7144 
7145 	/*
7146 	 * Detect if this device has an hardware controlled radio.
7147 	 */
7148 	if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_HW_RADIO))
7149 		__set_bit(CAPABILITY_HW_BUTTON, &rt2x00dev->cap_flags);
7150 
7151 	/*
7152 	 * Detect if this device has Bluetooth co-existence.
7153 	 */
7154 	if (rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_BT_COEXIST))
7155 		__set_bit(CAPABILITY_BT_COEXIST, &rt2x00dev->cap_flags);
7156 
7157 	/*
7158 	 * Read frequency offset and RF programming sequence.
7159 	 */
7160 	rt2800_eeprom_read(rt2x00dev, EEPROM_FREQ, &eeprom);
7161 	rt2x00dev->freq_offset = rt2x00_get_field16(eeprom, EEPROM_FREQ_OFFSET);
7162 
7163 	/*
7164 	 * Store led settings, for correct led behaviour.
7165 	 */
7166 #ifdef CONFIG_RT2X00_LIB_LEDS
7167 	rt2800_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
7168 	rt2800_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC);
7169 	rt2800_init_led(rt2x00dev, &rt2x00dev->led_qual, LED_TYPE_QUALITY);
7170 
7171 	rt2x00dev->led_mcu_reg = eeprom;
7172 #endif /* CONFIG_RT2X00_LIB_LEDS */
7173 
7174 	/*
7175 	 * Check if support EIRP tx power limit feature.
7176 	 */
7177 	rt2800_eeprom_read(rt2x00dev, EEPROM_EIRP_MAX_TX_POWER, &eeprom);
7178 
7179 	if (rt2x00_get_field16(eeprom, EEPROM_EIRP_MAX_TX_POWER_2GHZ) <
7180 					EIRP_MAX_TX_POWER_LIMIT)
7181 		__set_bit(CAPABILITY_POWER_LIMIT, &rt2x00dev->cap_flags);
7182 
7183 	return 0;
7184 }
7185 
7186 /*
7187  * RF value list for rt28xx
7188  * Supports: 2.4 GHz (all) & 5.2 GHz (RF2850 & RF2750)
7189  */
7190 static const struct rf_channel rf_vals[] = {
7191 	{ 1,  0x18402ecc, 0x184c0786, 0x1816b455, 0x1800510b },
7192 	{ 2,  0x18402ecc, 0x184c0786, 0x18168a55, 0x1800519f },
7193 	{ 3,  0x18402ecc, 0x184c078a, 0x18168a55, 0x1800518b },
7194 	{ 4,  0x18402ecc, 0x184c078a, 0x18168a55, 0x1800519f },
7195 	{ 5,  0x18402ecc, 0x184c078e, 0x18168a55, 0x1800518b },
7196 	{ 6,  0x18402ecc, 0x184c078e, 0x18168a55, 0x1800519f },
7197 	{ 7,  0x18402ecc, 0x184c0792, 0x18168a55, 0x1800518b },
7198 	{ 8,  0x18402ecc, 0x184c0792, 0x18168a55, 0x1800519f },
7199 	{ 9,  0x18402ecc, 0x184c0796, 0x18168a55, 0x1800518b },
7200 	{ 10, 0x18402ecc, 0x184c0796, 0x18168a55, 0x1800519f },
7201 	{ 11, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800518b },
7202 	{ 12, 0x18402ecc, 0x184c079a, 0x18168a55, 0x1800519f },
7203 	{ 13, 0x18402ecc, 0x184c079e, 0x18168a55, 0x1800518b },
7204 	{ 14, 0x18402ecc, 0x184c07a2, 0x18168a55, 0x18005193 },
7205 
7206 	/* 802.11 UNI / HyperLan 2 */
7207 	{ 36, 0x18402ecc, 0x184c099a, 0x18158a55, 0x180ed1a3 },
7208 	{ 38, 0x18402ecc, 0x184c099e, 0x18158a55, 0x180ed193 },
7209 	{ 40, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed183 },
7210 	{ 44, 0x18402ec8, 0x184c0682, 0x18158a55, 0x180ed1a3 },
7211 	{ 46, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed18b },
7212 	{ 48, 0x18402ec8, 0x184c0686, 0x18158a55, 0x180ed19b },
7213 	{ 52, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed193 },
7214 	{ 54, 0x18402ec8, 0x184c068a, 0x18158a55, 0x180ed1a3 },
7215 	{ 56, 0x18402ec8, 0x184c068e, 0x18158a55, 0x180ed18b },
7216 	{ 60, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed183 },
7217 	{ 62, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed193 },
7218 	{ 64, 0x18402ec8, 0x184c0692, 0x18158a55, 0x180ed1a3 },
7219 
7220 	/* 802.11 HyperLan 2 */
7221 	{ 100, 0x18402ec8, 0x184c06b2, 0x18178a55, 0x180ed783 },
7222 	{ 102, 0x18402ec8, 0x184c06b2, 0x18578a55, 0x180ed793 },
7223 	{ 104, 0x18402ec8, 0x185c06b2, 0x18578a55, 0x180ed1a3 },
7224 	{ 108, 0x18402ecc, 0x185c0a32, 0x18578a55, 0x180ed193 },
7225 	{ 110, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed183 },
7226 	{ 112, 0x18402ecc, 0x184c0a36, 0x18178a55, 0x180ed19b },
7227 	{ 116, 0x18402ecc, 0x184c0a3a, 0x18178a55, 0x180ed1a3 },
7228 	{ 118, 0x18402ecc, 0x184c0a3e, 0x18178a55, 0x180ed193 },
7229 	{ 120, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed183 },
7230 	{ 124, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed193 },
7231 	{ 126, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed15b },
7232 	{ 128, 0x18402ec4, 0x184c0382, 0x18178a55, 0x180ed1a3 },
7233 	{ 132, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed18b },
7234 	{ 134, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed193 },
7235 	{ 136, 0x18402ec4, 0x184c0386, 0x18178a55, 0x180ed19b },
7236 	{ 140, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed183 },
7237 
7238 	/* 802.11 UNII */
7239 	{ 149, 0x18402ec4, 0x184c038a, 0x18178a55, 0x180ed1a7 },
7240 	{ 151, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed187 },
7241 	{ 153, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed18f },
7242 	{ 157, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed19f },
7243 	{ 159, 0x18402ec4, 0x184c038e, 0x18178a55, 0x180ed1a7 },
7244 	{ 161, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed187 },
7245 	{ 165, 0x18402ec4, 0x184c0392, 0x18178a55, 0x180ed197 },
7246 	{ 167, 0x18402ec4, 0x184c03d2, 0x18179855, 0x1815531f },
7247 	{ 169, 0x18402ec4, 0x184c03d2, 0x18179855, 0x18155327 },
7248 	{ 171, 0x18402ec4, 0x184c03d6, 0x18179855, 0x18155307 },
7249 	{ 173, 0x18402ec4, 0x184c03d6, 0x18179855, 0x1815530f },
7250 
7251 	/* 802.11 Japan */
7252 	{ 184, 0x15002ccc, 0x1500491e, 0x1509be55, 0x150c0a0b },
7253 	{ 188, 0x15002ccc, 0x15004922, 0x1509be55, 0x150c0a13 },
7254 	{ 192, 0x15002ccc, 0x15004926, 0x1509be55, 0x150c0a1b },
7255 	{ 196, 0x15002ccc, 0x1500492a, 0x1509be55, 0x150c0a23 },
7256 	{ 208, 0x15002ccc, 0x1500493a, 0x1509be55, 0x150c0a13 },
7257 	{ 212, 0x15002ccc, 0x1500493e, 0x1509be55, 0x150c0a1b },
7258 	{ 216, 0x15002ccc, 0x15004982, 0x1509be55, 0x150c0a23 },
7259 };
7260 
7261 /*
7262  * RF value list for rt3xxx
7263  * Supports: 2.4 GHz (all) & 5.2 GHz (RF3052 & RF3053)
7264  */
7265 static const struct rf_channel rf_vals_3x[] = {
7266 	{1,  241, 2, 2 },
7267 	{2,  241, 2, 7 },
7268 	{3,  242, 2, 2 },
7269 	{4,  242, 2, 7 },
7270 	{5,  243, 2, 2 },
7271 	{6,  243, 2, 7 },
7272 	{7,  244, 2, 2 },
7273 	{8,  244, 2, 7 },
7274 	{9,  245, 2, 2 },
7275 	{10, 245, 2, 7 },
7276 	{11, 246, 2, 2 },
7277 	{12, 246, 2, 7 },
7278 	{13, 247, 2, 2 },
7279 	{14, 248, 2, 4 },
7280 
7281 	/* 802.11 UNI / HyperLan 2 */
7282 	{36, 0x56, 0, 4},
7283 	{38, 0x56, 0, 6},
7284 	{40, 0x56, 0, 8},
7285 	{44, 0x57, 0, 0},
7286 	{46, 0x57, 0, 2},
7287 	{48, 0x57, 0, 4},
7288 	{52, 0x57, 0, 8},
7289 	{54, 0x57, 0, 10},
7290 	{56, 0x58, 0, 0},
7291 	{60, 0x58, 0, 4},
7292 	{62, 0x58, 0, 6},
7293 	{64, 0x58, 0, 8},
7294 
7295 	/* 802.11 HyperLan 2 */
7296 	{100, 0x5b, 0, 8},
7297 	{102, 0x5b, 0, 10},
7298 	{104, 0x5c, 0, 0},
7299 	{108, 0x5c, 0, 4},
7300 	{110, 0x5c, 0, 6},
7301 	{112, 0x5c, 0, 8},
7302 	{116, 0x5d, 0, 0},
7303 	{118, 0x5d, 0, 2},
7304 	{120, 0x5d, 0, 4},
7305 	{124, 0x5d, 0, 8},
7306 	{126, 0x5d, 0, 10},
7307 	{128, 0x5e, 0, 0},
7308 	{132, 0x5e, 0, 4},
7309 	{134, 0x5e, 0, 6},
7310 	{136, 0x5e, 0, 8},
7311 	{140, 0x5f, 0, 0},
7312 
7313 	/* 802.11 UNII */
7314 	{149, 0x5f, 0, 9},
7315 	{151, 0x5f, 0, 11},
7316 	{153, 0x60, 0, 1},
7317 	{157, 0x60, 0, 5},
7318 	{159, 0x60, 0, 7},
7319 	{161, 0x60, 0, 9},
7320 	{165, 0x61, 0, 1},
7321 	{167, 0x61, 0, 3},
7322 	{169, 0x61, 0, 5},
7323 	{171, 0x61, 0, 7},
7324 	{173, 0x61, 0, 9},
7325 };
7326 
7327 static const struct rf_channel rf_vals_5592_xtal20[] = {
7328 	/* Channel, N, K, mod, R */
7329 	{1, 482, 4, 10, 3},
7330 	{2, 483, 4, 10, 3},
7331 	{3, 484, 4, 10, 3},
7332 	{4, 485, 4, 10, 3},
7333 	{5, 486, 4, 10, 3},
7334 	{6, 487, 4, 10, 3},
7335 	{7, 488, 4, 10, 3},
7336 	{8, 489, 4, 10, 3},
7337 	{9, 490, 4, 10, 3},
7338 	{10, 491, 4, 10, 3},
7339 	{11, 492, 4, 10, 3},
7340 	{12, 493, 4, 10, 3},
7341 	{13, 494, 4, 10, 3},
7342 	{14, 496, 8, 10, 3},
7343 	{36, 172, 8, 12, 1},
7344 	{38, 173, 0, 12, 1},
7345 	{40, 173, 4, 12, 1},
7346 	{42, 173, 8, 12, 1},
7347 	{44, 174, 0, 12, 1},
7348 	{46, 174, 4, 12, 1},
7349 	{48, 174, 8, 12, 1},
7350 	{50, 175, 0, 12, 1},
7351 	{52, 175, 4, 12, 1},
7352 	{54, 175, 8, 12, 1},
7353 	{56, 176, 0, 12, 1},
7354 	{58, 176, 4, 12, 1},
7355 	{60, 176, 8, 12, 1},
7356 	{62, 177, 0, 12, 1},
7357 	{64, 177, 4, 12, 1},
7358 	{100, 183, 4, 12, 1},
7359 	{102, 183, 8, 12, 1},
7360 	{104, 184, 0, 12, 1},
7361 	{106, 184, 4, 12, 1},
7362 	{108, 184, 8, 12, 1},
7363 	{110, 185, 0, 12, 1},
7364 	{112, 185, 4, 12, 1},
7365 	{114, 185, 8, 12, 1},
7366 	{116, 186, 0, 12, 1},
7367 	{118, 186, 4, 12, 1},
7368 	{120, 186, 8, 12, 1},
7369 	{122, 187, 0, 12, 1},
7370 	{124, 187, 4, 12, 1},
7371 	{126, 187, 8, 12, 1},
7372 	{128, 188, 0, 12, 1},
7373 	{130, 188, 4, 12, 1},
7374 	{132, 188, 8, 12, 1},
7375 	{134, 189, 0, 12, 1},
7376 	{136, 189, 4, 12, 1},
7377 	{138, 189, 8, 12, 1},
7378 	{140, 190, 0, 12, 1},
7379 	{149, 191, 6, 12, 1},
7380 	{151, 191, 10, 12, 1},
7381 	{153, 192, 2, 12, 1},
7382 	{155, 192, 6, 12, 1},
7383 	{157, 192, 10, 12, 1},
7384 	{159, 193, 2, 12, 1},
7385 	{161, 193, 6, 12, 1},
7386 	{165, 194, 2, 12, 1},
7387 	{184, 164, 0, 12, 1},
7388 	{188, 164, 4, 12, 1},
7389 	{192, 165, 8, 12, 1},
7390 	{196, 166, 0, 12, 1},
7391 };
7392 
7393 static const struct rf_channel rf_vals_5592_xtal40[] = {
7394 	/* Channel, N, K, mod, R */
7395 	{1, 241, 2, 10, 3},
7396 	{2, 241, 7, 10, 3},
7397 	{3, 242, 2, 10, 3},
7398 	{4, 242, 7, 10, 3},
7399 	{5, 243, 2, 10, 3},
7400 	{6, 243, 7, 10, 3},
7401 	{7, 244, 2, 10, 3},
7402 	{8, 244, 7, 10, 3},
7403 	{9, 245, 2, 10, 3},
7404 	{10, 245, 7, 10, 3},
7405 	{11, 246, 2, 10, 3},
7406 	{12, 246, 7, 10, 3},
7407 	{13, 247, 2, 10, 3},
7408 	{14, 248, 4, 10, 3},
7409 	{36, 86, 4, 12, 1},
7410 	{38, 86, 6, 12, 1},
7411 	{40, 86, 8, 12, 1},
7412 	{42, 86, 10, 12, 1},
7413 	{44, 87, 0, 12, 1},
7414 	{46, 87, 2, 12, 1},
7415 	{48, 87, 4, 12, 1},
7416 	{50, 87, 6, 12, 1},
7417 	{52, 87, 8, 12, 1},
7418 	{54, 87, 10, 12, 1},
7419 	{56, 88, 0, 12, 1},
7420 	{58, 88, 2, 12, 1},
7421 	{60, 88, 4, 12, 1},
7422 	{62, 88, 6, 12, 1},
7423 	{64, 88, 8, 12, 1},
7424 	{100, 91, 8, 12, 1},
7425 	{102, 91, 10, 12, 1},
7426 	{104, 92, 0, 12, 1},
7427 	{106, 92, 2, 12, 1},
7428 	{108, 92, 4, 12, 1},
7429 	{110, 92, 6, 12, 1},
7430 	{112, 92, 8, 12, 1},
7431 	{114, 92, 10, 12, 1},
7432 	{116, 93, 0, 12, 1},
7433 	{118, 93, 2, 12, 1},
7434 	{120, 93, 4, 12, 1},
7435 	{122, 93, 6, 12, 1},
7436 	{124, 93, 8, 12, 1},
7437 	{126, 93, 10, 12, 1},
7438 	{128, 94, 0, 12, 1},
7439 	{130, 94, 2, 12, 1},
7440 	{132, 94, 4, 12, 1},
7441 	{134, 94, 6, 12, 1},
7442 	{136, 94, 8, 12, 1},
7443 	{138, 94, 10, 12, 1},
7444 	{140, 95, 0, 12, 1},
7445 	{149, 95, 9, 12, 1},
7446 	{151, 95, 11, 12, 1},
7447 	{153, 96, 1, 12, 1},
7448 	{155, 96, 3, 12, 1},
7449 	{157, 96, 5, 12, 1},
7450 	{159, 96, 7, 12, 1},
7451 	{161, 96, 9, 12, 1},
7452 	{165, 97, 1, 12, 1},
7453 	{184, 82, 0, 12, 1},
7454 	{188, 82, 4, 12, 1},
7455 	{192, 82, 8, 12, 1},
7456 	{196, 83, 0, 12, 1},
7457 };
7458 
rt2800_probe_hw_mode(struct rt2x00_dev * rt2x00dev)7459 static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
7460 {
7461 	struct hw_mode_spec *spec = &rt2x00dev->spec;
7462 	struct channel_info *info;
7463 	char *default_power1;
7464 	char *default_power2;
7465 	char *default_power3;
7466 	unsigned int i;
7467 	u32 reg;
7468 
7469 	/*
7470 	 * Disable powersaving as default.
7471 	 */
7472 	rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
7473 
7474 	/*
7475 	 * Initialize all hw fields.
7476 	 */
7477 	ieee80211_hw_set(rt2x00dev->hw, SUPPORTS_HT_CCK_RATES);
7478 	ieee80211_hw_set(rt2x00dev->hw, REPORTS_TX_ACK_STATUS);
7479 	ieee80211_hw_set(rt2x00dev->hw, AMPDU_AGGREGATION);
7480 	ieee80211_hw_set(rt2x00dev->hw, PS_NULLFUNC_STACK);
7481 	ieee80211_hw_set(rt2x00dev->hw, SIGNAL_DBM);
7482 	ieee80211_hw_set(rt2x00dev->hw, SUPPORTS_PS);
7483 
7484 	/*
7485 	 * Don't set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING for USB devices
7486 	 * unless we are capable of sending the buffered frames out after the
7487 	 * DTIM transmission using rt2x00lib_beacondone. This will send out
7488 	 * multicast and broadcast traffic immediately instead of buffering it
7489 	 * infinitly and thus dropping it after some time.
7490 	 */
7491 	if (!rt2x00_is_usb(rt2x00dev))
7492 		ieee80211_hw_set(rt2x00dev->hw, HOST_BROADCAST_PS_BUFFERING);
7493 
7494 	SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
7495 	SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
7496 				rt2800_eeprom_addr(rt2x00dev,
7497 						   EEPROM_MAC_ADDR_0));
7498 
7499 	/*
7500 	 * As rt2800 has a global fallback table we cannot specify
7501 	 * more then one tx rate per frame but since the hw will
7502 	 * try several rates (based on the fallback table) we should
7503 	 * initialize max_report_rates to the maximum number of rates
7504 	 * we are going to try. Otherwise mac80211 will truncate our
7505 	 * reported tx rates and the rc algortihm will end up with
7506 	 * incorrect data.
7507 	 */
7508 	rt2x00dev->hw->max_rates = 1;
7509 	rt2x00dev->hw->max_report_rates = 7;
7510 	rt2x00dev->hw->max_rate_tries = 1;
7511 
7512 	/*
7513 	 * Initialize hw_mode information.
7514 	 */
7515 	spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
7516 
7517 	switch (rt2x00dev->chip.rf) {
7518 	case RF2720:
7519 	case RF2820:
7520 		spec->num_channels = 14;
7521 		spec->channels = rf_vals;
7522 		break;
7523 
7524 	case RF2750:
7525 	case RF2850:
7526 		spec->num_channels = ARRAY_SIZE(rf_vals);
7527 		spec->channels = rf_vals;
7528 		break;
7529 
7530 	case RF2020:
7531 	case RF3020:
7532 	case RF3021:
7533 	case RF3022:
7534 	case RF3070:
7535 	case RF3290:
7536 	case RF3320:
7537 	case RF3322:
7538 	case RF5360:
7539 	case RF5362:
7540 	case RF5370:
7541 	case RF5372:
7542 	case RF5390:
7543 	case RF5392:
7544 		spec->num_channels = 14;
7545 		spec->channels = rf_vals_3x;
7546 		break;
7547 
7548 	case RF3052:
7549 	case RF3053:
7550 		spec->num_channels = ARRAY_SIZE(rf_vals_3x);
7551 		spec->channels = rf_vals_3x;
7552 		break;
7553 
7554 	case RF5592:
7555 		rt2800_register_read(rt2x00dev, MAC_DEBUG_INDEX, &reg);
7556 		if (rt2x00_get_field32(reg, MAC_DEBUG_INDEX_XTAL)) {
7557 			spec->num_channels = ARRAY_SIZE(rf_vals_5592_xtal40);
7558 			spec->channels = rf_vals_5592_xtal40;
7559 		} else {
7560 			spec->num_channels = ARRAY_SIZE(rf_vals_5592_xtal20);
7561 			spec->channels = rf_vals_5592_xtal20;
7562 		}
7563 		break;
7564 	}
7565 
7566 	if (WARN_ON_ONCE(!spec->channels))
7567 		return -ENODEV;
7568 
7569 	spec->supported_bands = SUPPORT_BAND_2GHZ;
7570 	if (spec->num_channels > 14)
7571 		spec->supported_bands |= SUPPORT_BAND_5GHZ;
7572 
7573 	/*
7574 	 * Initialize HT information.
7575 	 */
7576 	if (!rt2x00_rf(rt2x00dev, RF2020))
7577 		spec->ht.ht_supported = true;
7578 	else
7579 		spec->ht.ht_supported = false;
7580 
7581 	spec->ht.cap =
7582 	    IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
7583 	    IEEE80211_HT_CAP_GRN_FLD |
7584 	    IEEE80211_HT_CAP_SGI_20 |
7585 	    IEEE80211_HT_CAP_SGI_40;
7586 
7587 	if (rt2x00dev->default_ant.tx_chain_num >= 2)
7588 		spec->ht.cap |= IEEE80211_HT_CAP_TX_STBC;
7589 
7590 	spec->ht.cap |= rt2x00dev->default_ant.rx_chain_num <<
7591 			IEEE80211_HT_CAP_RX_STBC_SHIFT;
7592 
7593 	spec->ht.ampdu_factor = 3;
7594 	spec->ht.ampdu_density = 4;
7595 	spec->ht.mcs.tx_params =
7596 	    IEEE80211_HT_MCS_TX_DEFINED |
7597 	    IEEE80211_HT_MCS_TX_RX_DIFF |
7598 	    ((rt2x00dev->default_ant.tx_chain_num - 1) <<
7599 	     IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
7600 
7601 	switch (rt2x00dev->default_ant.rx_chain_num) {
7602 	case 3:
7603 		spec->ht.mcs.rx_mask[2] = 0xff;
7604 	case 2:
7605 		spec->ht.mcs.rx_mask[1] = 0xff;
7606 	case 1:
7607 		spec->ht.mcs.rx_mask[0] = 0xff;
7608 		spec->ht.mcs.rx_mask[4] = 0x1; /* MCS32 */
7609 		break;
7610 	}
7611 
7612 	/*
7613 	 * Create channel information array
7614 	 */
7615 	info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
7616 	if (!info)
7617 		return -ENOMEM;
7618 
7619 	spec->channels_info = info;
7620 
7621 	default_power1 = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG1);
7622 	default_power2 = rt2800_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_BG2);
7623 
7624 	if (rt2x00dev->default_ant.tx_chain_num > 2)
7625 		default_power3 = rt2800_eeprom_addr(rt2x00dev,
7626 						    EEPROM_EXT_TXPOWER_BG3);
7627 	else
7628 		default_power3 = NULL;
7629 
7630 	for (i = 0; i < 14; i++) {
7631 		info[i].default_power1 = default_power1[i];
7632 		info[i].default_power2 = default_power2[i];
7633 		if (default_power3)
7634 			info[i].default_power3 = default_power3[i];
7635 	}
7636 
7637 	if (spec->num_channels > 14) {
7638 		default_power1 = rt2800_eeprom_addr(rt2x00dev,
7639 						    EEPROM_TXPOWER_A1);
7640 		default_power2 = rt2800_eeprom_addr(rt2x00dev,
7641 						    EEPROM_TXPOWER_A2);
7642 
7643 		if (rt2x00dev->default_ant.tx_chain_num > 2)
7644 			default_power3 =
7645 				rt2800_eeprom_addr(rt2x00dev,
7646 						   EEPROM_EXT_TXPOWER_A3);
7647 		else
7648 			default_power3 = NULL;
7649 
7650 		for (i = 14; i < spec->num_channels; i++) {
7651 			info[i].default_power1 = default_power1[i - 14];
7652 			info[i].default_power2 = default_power2[i - 14];
7653 			if (default_power3)
7654 				info[i].default_power3 = default_power3[i - 14];
7655 		}
7656 	}
7657 
7658 	switch (rt2x00dev->chip.rf) {
7659 	case RF2020:
7660 	case RF3020:
7661 	case RF3021:
7662 	case RF3022:
7663 	case RF3320:
7664 	case RF3052:
7665 	case RF3053:
7666 	case RF3070:
7667 	case RF3290:
7668 	case RF5360:
7669 	case RF5362:
7670 	case RF5370:
7671 	case RF5372:
7672 	case RF5390:
7673 	case RF5392:
7674 		__set_bit(CAPABILITY_VCO_RECALIBRATION, &rt2x00dev->cap_flags);
7675 		break;
7676 	}
7677 
7678 	return 0;
7679 }
7680 
rt2800_probe_rt(struct rt2x00_dev * rt2x00dev)7681 static int rt2800_probe_rt(struct rt2x00_dev *rt2x00dev)
7682 {
7683 	u32 reg;
7684 	u32 rt;
7685 	u32 rev;
7686 
7687 	if (rt2x00_rt(rt2x00dev, RT3290))
7688 		rt2800_register_read(rt2x00dev, MAC_CSR0_3290, &reg);
7689 	else
7690 		rt2800_register_read(rt2x00dev, MAC_CSR0, &reg);
7691 
7692 	rt = rt2x00_get_field32(reg, MAC_CSR0_CHIPSET);
7693 	rev = rt2x00_get_field32(reg, MAC_CSR0_REVISION);
7694 
7695 	switch (rt) {
7696 	case RT2860:
7697 	case RT2872:
7698 	case RT2883:
7699 	case RT3070:
7700 	case RT3071:
7701 	case RT3090:
7702 	case RT3290:
7703 	case RT3352:
7704 	case RT3390:
7705 	case RT3572:
7706 	case RT3593:
7707 	case RT5390:
7708 	case RT5392:
7709 	case RT5592:
7710 		break;
7711 	default:
7712 		rt2x00_err(rt2x00dev, "Invalid RT chipset 0x%04x, rev %04x detected\n",
7713 			   rt, rev);
7714 		return -ENODEV;
7715 	}
7716 
7717 	rt2x00_set_rt(rt2x00dev, rt, rev);
7718 
7719 	return 0;
7720 }
7721 
rt2800_probe_hw(struct rt2x00_dev * rt2x00dev)7722 int rt2800_probe_hw(struct rt2x00_dev *rt2x00dev)
7723 {
7724 	int retval;
7725 	u32 reg;
7726 
7727 	retval = rt2800_probe_rt(rt2x00dev);
7728 	if (retval)
7729 		return retval;
7730 
7731 	/*
7732 	 * Allocate eeprom data.
7733 	 */
7734 	retval = rt2800_validate_eeprom(rt2x00dev);
7735 	if (retval)
7736 		return retval;
7737 
7738 	retval = rt2800_init_eeprom(rt2x00dev);
7739 	if (retval)
7740 		return retval;
7741 
7742 	/*
7743 	 * Enable rfkill polling by setting GPIO direction of the
7744 	 * rfkill switch GPIO pin correctly.
7745 	 */
7746 	rt2800_register_read(rt2x00dev, GPIO_CTRL, &reg);
7747 	rt2x00_set_field32(&reg, GPIO_CTRL_DIR2, 1);
7748 	rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
7749 
7750 	/*
7751 	 * Initialize hw specifications.
7752 	 */
7753 	retval = rt2800_probe_hw_mode(rt2x00dev);
7754 	if (retval)
7755 		return retval;
7756 
7757 	/*
7758 	 * Set device capabilities.
7759 	 */
7760 	__set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
7761 	__set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
7762 	if (!rt2x00_is_usb(rt2x00dev))
7763 		__set_bit(CAPABILITY_PRE_TBTT_INTERRUPT, &rt2x00dev->cap_flags);
7764 
7765 	/*
7766 	 * Set device requirements.
7767 	 */
7768 	if (!rt2x00_is_soc(rt2x00dev))
7769 		__set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
7770 	__set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
7771 	__set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
7772 	if (!rt2800_hwcrypt_disabled(rt2x00dev))
7773 		__set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
7774 	__set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
7775 	__set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
7776 	if (rt2x00_is_usb(rt2x00dev))
7777 		__set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
7778 	else {
7779 		__set_bit(REQUIRE_DMA, &rt2x00dev->cap_flags);
7780 		__set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags);
7781 	}
7782 
7783 	/*
7784 	 * Set the rssi offset.
7785 	 */
7786 	rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
7787 
7788 	return 0;
7789 }
7790 EXPORT_SYMBOL_GPL(rt2800_probe_hw);
7791 
7792 /*
7793  * IEEE80211 stack callback functions.
7794  */
rt2800_get_key_seq(struct ieee80211_hw * hw,struct ieee80211_key_conf * key,struct ieee80211_key_seq * seq)7795 void rt2800_get_key_seq(struct ieee80211_hw *hw,
7796 			struct ieee80211_key_conf *key,
7797 			struct ieee80211_key_seq *seq)
7798 {
7799 	struct rt2x00_dev *rt2x00dev = hw->priv;
7800 	struct mac_iveiv_entry iveiv_entry;
7801 	u32 offset;
7802 
7803 	if (key->cipher != WLAN_CIPHER_SUITE_TKIP)
7804 		return;
7805 
7806 	offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
7807 	rt2800_register_multiread(rt2x00dev, offset,
7808 				      &iveiv_entry, sizeof(iveiv_entry));
7809 
7810 	memcpy(&seq->tkip.iv16, &iveiv_entry.iv[0], 2);
7811 	memcpy(&seq->tkip.iv32, &iveiv_entry.iv[4], 4);
7812 }
7813 EXPORT_SYMBOL_GPL(rt2800_get_key_seq);
7814 
rt2800_set_rts_threshold(struct ieee80211_hw * hw,u32 value)7815 int rt2800_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
7816 {
7817 	struct rt2x00_dev *rt2x00dev = hw->priv;
7818 	u32 reg;
7819 	bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
7820 
7821 	rt2800_register_read(rt2x00dev, TX_RTS_CFG, &reg);
7822 	rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
7823 	rt2800_register_write(rt2x00dev, TX_RTS_CFG, reg);
7824 
7825 	rt2800_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
7826 	rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
7827 	rt2800_register_write(rt2x00dev, CCK_PROT_CFG, reg);
7828 
7829 	rt2800_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
7830 	rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
7831 	rt2800_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
7832 
7833 	rt2800_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
7834 	rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
7835 	rt2800_register_write(rt2x00dev, MM20_PROT_CFG, reg);
7836 
7837 	rt2800_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
7838 	rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
7839 	rt2800_register_write(rt2x00dev, MM40_PROT_CFG, reg);
7840 
7841 	rt2800_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
7842 	rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
7843 	rt2800_register_write(rt2x00dev, GF20_PROT_CFG, reg);
7844 
7845 	rt2800_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
7846 	rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
7847 	rt2800_register_write(rt2x00dev, GF40_PROT_CFG, reg);
7848 
7849 	return 0;
7850 }
7851 EXPORT_SYMBOL_GPL(rt2800_set_rts_threshold);
7852 
rt2800_conf_tx(struct ieee80211_hw * hw,struct ieee80211_vif * vif,u16 queue_idx,const struct ieee80211_tx_queue_params * params)7853 int rt2800_conf_tx(struct ieee80211_hw *hw,
7854 		   struct ieee80211_vif *vif, u16 queue_idx,
7855 		   const struct ieee80211_tx_queue_params *params)
7856 {
7857 	struct rt2x00_dev *rt2x00dev = hw->priv;
7858 	struct data_queue *queue;
7859 	struct rt2x00_field32 field;
7860 	int retval;
7861 	u32 reg;
7862 	u32 offset;
7863 
7864 	/*
7865 	 * First pass the configuration through rt2x00lib, that will
7866 	 * update the queue settings and validate the input. After that
7867 	 * we are free to update the registers based on the value
7868 	 * in the queue parameter.
7869 	 */
7870 	retval = rt2x00mac_conf_tx(hw, vif, queue_idx, params);
7871 	if (retval)
7872 		return retval;
7873 
7874 	/*
7875 	 * We only need to perform additional register initialization
7876 	 * for WMM queues/
7877 	 */
7878 	if (queue_idx >= 4)
7879 		return 0;
7880 
7881 	queue = rt2x00queue_get_tx_queue(rt2x00dev, queue_idx);
7882 
7883 	/* Update WMM TXOP register */
7884 	offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
7885 	field.bit_offset = (queue_idx & 1) * 16;
7886 	field.bit_mask = 0xffff << field.bit_offset;
7887 
7888 	rt2800_register_read(rt2x00dev, offset, &reg);
7889 	rt2x00_set_field32(&reg, field, queue->txop);
7890 	rt2800_register_write(rt2x00dev, offset, reg);
7891 
7892 	/* Update WMM registers */
7893 	field.bit_offset = queue_idx * 4;
7894 	field.bit_mask = 0xf << field.bit_offset;
7895 
7896 	rt2800_register_read(rt2x00dev, WMM_AIFSN_CFG, &reg);
7897 	rt2x00_set_field32(&reg, field, queue->aifs);
7898 	rt2800_register_write(rt2x00dev, WMM_AIFSN_CFG, reg);
7899 
7900 	rt2800_register_read(rt2x00dev, WMM_CWMIN_CFG, &reg);
7901 	rt2x00_set_field32(&reg, field, queue->cw_min);
7902 	rt2800_register_write(rt2x00dev, WMM_CWMIN_CFG, reg);
7903 
7904 	rt2800_register_read(rt2x00dev, WMM_CWMAX_CFG, &reg);
7905 	rt2x00_set_field32(&reg, field, queue->cw_max);
7906 	rt2800_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
7907 
7908 	/* Update EDCA registers */
7909 	offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
7910 
7911 	rt2800_register_read(rt2x00dev, offset, &reg);
7912 	rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
7913 	rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
7914 	rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
7915 	rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
7916 	rt2800_register_write(rt2x00dev, offset, reg);
7917 
7918 	return 0;
7919 }
7920 EXPORT_SYMBOL_GPL(rt2800_conf_tx);
7921 
rt2800_get_tsf(struct ieee80211_hw * hw,struct ieee80211_vif * vif)7922 u64 rt2800_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
7923 {
7924 	struct rt2x00_dev *rt2x00dev = hw->priv;
7925 	u64 tsf;
7926 	u32 reg;
7927 
7928 	rt2800_register_read(rt2x00dev, TSF_TIMER_DW1, &reg);
7929 	tsf = (u64) rt2x00_get_field32(reg, TSF_TIMER_DW1_HIGH_WORD) << 32;
7930 	rt2800_register_read(rt2x00dev, TSF_TIMER_DW0, &reg);
7931 	tsf |= rt2x00_get_field32(reg, TSF_TIMER_DW0_LOW_WORD);
7932 
7933 	return tsf;
7934 }
7935 EXPORT_SYMBOL_GPL(rt2800_get_tsf);
7936 
rt2800_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)7937 int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
7938 			struct ieee80211_ampdu_params *params)
7939 {
7940 	struct ieee80211_sta *sta = params->sta;
7941 	enum ieee80211_ampdu_mlme_action action = params->action;
7942 	u16 tid = params->tid;
7943 	struct rt2x00_sta *sta_priv = (struct rt2x00_sta *)sta->drv_priv;
7944 	int ret = 0;
7945 
7946 	/*
7947 	 * Don't allow aggregation for stations the hardware isn't aware
7948 	 * of because tx status reports for frames to an unknown station
7949 	 * always contain wcid=WCID_END+1 and thus we can't distinguish
7950 	 * between multiple stations which leads to unwanted situations
7951 	 * when the hw reorders frames due to aggregation.
7952 	 */
7953 	if (sta_priv->wcid > WCID_END)
7954 		return 1;
7955 
7956 	switch (action) {
7957 	case IEEE80211_AMPDU_RX_START:
7958 	case IEEE80211_AMPDU_RX_STOP:
7959 		/*
7960 		 * The hw itself takes care of setting up BlockAck mechanisms.
7961 		 * So, we only have to allow mac80211 to nagotiate a BlockAck
7962 		 * agreement. Once that is done, the hw will BlockAck incoming
7963 		 * AMPDUs without further setup.
7964 		 */
7965 		break;
7966 	case IEEE80211_AMPDU_TX_START:
7967 		ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
7968 		break;
7969 	case IEEE80211_AMPDU_TX_STOP_CONT:
7970 	case IEEE80211_AMPDU_TX_STOP_FLUSH:
7971 	case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
7972 		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
7973 		break;
7974 	case IEEE80211_AMPDU_TX_OPERATIONAL:
7975 		break;
7976 	default:
7977 		rt2x00_warn((struct rt2x00_dev *)hw->priv,
7978 			    "Unknown AMPDU action\n");
7979 	}
7980 
7981 	return ret;
7982 }
7983 EXPORT_SYMBOL_GPL(rt2800_ampdu_action);
7984 
rt2800_get_survey(struct ieee80211_hw * hw,int idx,struct survey_info * survey)7985 int rt2800_get_survey(struct ieee80211_hw *hw, int idx,
7986 		      struct survey_info *survey)
7987 {
7988 	struct rt2x00_dev *rt2x00dev = hw->priv;
7989 	struct ieee80211_conf *conf = &hw->conf;
7990 	u32 idle, busy, busy_ext;
7991 
7992 	if (idx != 0)
7993 		return -ENOENT;
7994 
7995 	survey->channel = conf->chandef.chan;
7996 
7997 	rt2800_register_read(rt2x00dev, CH_IDLE_STA, &idle);
7998 	rt2800_register_read(rt2x00dev, CH_BUSY_STA, &busy);
7999 	rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, &busy_ext);
8000 
8001 	if (idle || busy) {
8002 		survey->filled = SURVEY_INFO_TIME |
8003 				 SURVEY_INFO_TIME_BUSY |
8004 				 SURVEY_INFO_TIME_EXT_BUSY;
8005 
8006 		survey->time = (idle + busy) / 1000;
8007 		survey->time_busy = busy / 1000;
8008 		survey->time_ext_busy = busy_ext / 1000;
8009 	}
8010 
8011 	if (!(hw->conf.flags & IEEE80211_CONF_OFFCHANNEL))
8012 		survey->filled |= SURVEY_INFO_IN_USE;
8013 
8014 	return 0;
8015 
8016 }
8017 EXPORT_SYMBOL_GPL(rt2800_get_survey);
8018 
8019 MODULE_AUTHOR(DRV_PROJECT ", Bartlomiej Zolnierkiewicz");
8020 MODULE_VERSION(DRV_VERSION);
8021 MODULE_DESCRIPTION("Ralink RT2800 library");
8022 MODULE_LICENSE("GPL");
8023