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1 /*
2  * Copyright (c) 2008-2011 Atheros Communications Inc.
3  *
4  * Permission to use, copy, modify, and/or distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #ifndef HW_H
18 #define HW_H
19 
20 #include <linux/if_ether.h>
21 #include <linux/delay.h>
22 #include <linux/io.h>
23 #include <linux/firmware.h>
24 
25 #include "mac.h"
26 #include "ani.h"
27 #include "eeprom.h"
28 #include "calib.h"
29 #include "reg.h"
30 #include "phy.h"
31 #include "btcoex.h"
32 
33 #include "../regd.h"
34 
35 #define ATHEROS_VENDOR_ID	0x168c
36 
37 #define AR5416_DEVID_PCI	0x0023
38 #define AR5416_DEVID_PCIE	0x0024
39 #define AR9160_DEVID_PCI	0x0027
40 #define AR9280_DEVID_PCI	0x0029
41 #define AR9280_DEVID_PCIE	0x002a
42 #define AR9285_DEVID_PCIE	0x002b
43 #define AR2427_DEVID_PCIE	0x002c
44 #define AR9287_DEVID_PCI	0x002d
45 #define AR9287_DEVID_PCIE	0x002e
46 #define AR9300_DEVID_PCIE	0x0030
47 #define AR9300_DEVID_AR9340	0x0031
48 #define AR9300_DEVID_AR9485_PCIE 0x0032
49 #define AR9300_DEVID_AR9580	0x0033
50 #define AR9300_DEVID_AR9462	0x0034
51 #define AR9300_DEVID_AR9330	0x0035
52 #define AR9300_DEVID_QCA955X	0x0038
53 #define AR9485_DEVID_AR1111	0x0037
54 #define AR9300_DEVID_AR9565     0x0036
55 
56 #define AR5416_AR9100_DEVID	0x000b
57 
58 #define	AR_SUBVENDOR_ID_NOG	0x0e11
59 #define AR_SUBVENDOR_ID_NEW_A	0x7065
60 #define AR5416_MAGIC		0x19641014
61 
62 #define AR9280_COEX2WIRE_SUBSYSID	0x309b
63 #define AT9285_COEX3WIRE_SA_SUBSYSID	0x30aa
64 #define AT9285_COEX3WIRE_DA_SUBSYSID	0x30ab
65 
66 #define ATH_AMPDU_LIMIT_MAX        (64 * 1024 - 1)
67 
68 #define	ATH_DEFAULT_NOISE_FLOOR -95
69 
70 #define ATH9K_RSSI_BAD			-128
71 
72 #define ATH9K_NUM_CHANNELS	38
73 
74 /* Register read/write primitives */
75 #define REG_WRITE(_ah, _reg, _val) \
76 	(_ah)->reg_ops.write((_ah), (_val), (_reg))
77 
78 #define REG_READ(_ah, _reg) \
79 	(_ah)->reg_ops.read((_ah), (_reg))
80 
81 #define REG_READ_MULTI(_ah, _addr, _val, _cnt)		\
82 	(_ah)->reg_ops.multi_read((_ah), (_addr), (_val), (_cnt))
83 
84 #define REG_RMW(_ah, _reg, _set, _clr) \
85 	(_ah)->reg_ops.rmw((_ah), (_reg), (_set), (_clr))
86 
87 #define ENABLE_REGWRITE_BUFFER(_ah)					\
88 	do {								\
89 		if ((_ah)->reg_ops.enable_write_buffer)	\
90 			(_ah)->reg_ops.enable_write_buffer((_ah)); \
91 	} while (0)
92 
93 #define REGWRITE_BUFFER_FLUSH(_ah)					\
94 	do {								\
95 		if ((_ah)->reg_ops.write_flush)		\
96 			(_ah)->reg_ops.write_flush((_ah));	\
97 	} while (0)
98 
99 #define PR_EEP(_s, _val)						\
100 	do {								\
101 		len += snprintf(buf + len, size - len, "%20s : %10d\n",	\
102 				_s, (_val));				\
103 	} while (0)
104 
105 #define SM(_v, _f)  (((_v) << _f##_S) & _f)
106 #define MS(_v, _f)  (((_v) & _f) >> _f##_S)
107 #define REG_RMW_FIELD(_a, _r, _f, _v) \
108 	REG_RMW(_a, _r, (((_v) << _f##_S) & _f), (_f))
109 #define REG_READ_FIELD(_a, _r, _f) \
110 	(((REG_READ(_a, _r) & _f) >> _f##_S))
111 #define REG_SET_BIT(_a, _r, _f) \
112 	REG_RMW(_a, _r, (_f), 0)
113 #define REG_CLR_BIT(_a, _r, _f) \
114 	REG_RMW(_a, _r, 0, (_f))
115 
116 #define DO_DELAY(x) do {					\
117 		if (((++(x) % 64) == 0) &&			\
118 		    (ath9k_hw_common(ah)->bus_ops->ath_bus_type	\
119 			!= ATH_USB))				\
120 			udelay(1);				\
121 	} while (0)
122 
123 #define REG_WRITE_ARRAY(iniarray, column, regWr) \
124 	ath9k_hw_write_array(ah, iniarray, column, &(regWr))
125 
126 #define AR_GPIO_OUTPUT_MUX_AS_OUTPUT             0
127 #define AR_GPIO_OUTPUT_MUX_AS_PCIE_ATTENTION_LED 1
128 #define AR_GPIO_OUTPUT_MUX_AS_PCIE_POWER_LED     2
129 #define AR_GPIO_OUTPUT_MUX_AS_TX_FRAME           3
130 #define AR_GPIO_OUTPUT_MUX_AS_RX_CLEAR_EXTERNAL  4
131 #define AR_GPIO_OUTPUT_MUX_AS_MAC_NETWORK_LED    5
132 #define AR_GPIO_OUTPUT_MUX_AS_MAC_POWER_LED      6
133 #define AR_GPIO_OUTPUT_MUX_AS_MCI_WLAN_DATA      0x16
134 #define AR_GPIO_OUTPUT_MUX_AS_MCI_WLAN_CLK       0x17
135 #define AR_GPIO_OUTPUT_MUX_AS_MCI_BT_DATA        0x18
136 #define AR_GPIO_OUTPUT_MUX_AS_MCI_BT_CLK         0x19
137 #define AR_GPIO_OUTPUT_MUX_AS_WL_IN_TX           0x14
138 #define AR_GPIO_OUTPUT_MUX_AS_WL_IN_RX           0x13
139 #define AR_GPIO_OUTPUT_MUX_AS_BT_IN_TX           9
140 #define AR_GPIO_OUTPUT_MUX_AS_BT_IN_RX           8
141 #define AR_GPIO_OUTPUT_MUX_AS_RUCKUS_STROBE      0x1d
142 #define AR_GPIO_OUTPUT_MUX_AS_RUCKUS_DATA        0x1e
143 
144 #define AR_GPIOD_MASK               0x00001FFF
145 #define AR_GPIO_BIT(_gpio)          (1 << (_gpio))
146 
147 #define BASE_ACTIVATE_DELAY         100
148 #define RTC_PLL_SETTLE_DELAY        (AR_SREV_9340(ah) ? 1000 : 100)
149 #define COEF_SCALE_S                24
150 #define HT40_CHANNEL_CENTER_SHIFT   10
151 
152 #define ATH9K_ANTENNA0_CHAINMASK    0x1
153 #define ATH9K_ANTENNA1_CHAINMASK    0x2
154 
155 #define ATH9K_NUM_DMA_DEBUG_REGS    8
156 #define ATH9K_NUM_QUEUES            10
157 
158 #define MAX_RATE_POWER              63
159 #define AH_WAIT_TIMEOUT             100000 /* (us) */
160 #define AH_TSF_WRITE_TIMEOUT        100    /* (us) */
161 #define AH_TIME_QUANTUM             10
162 #define AR_KEYTABLE_SIZE            128
163 #define POWER_UP_TIME               10000
164 #define SPUR_RSSI_THRESH            40
165 #define UPPER_5G_SUB_BAND_START		5700
166 #define MID_5G_SUB_BAND_START		5400
167 
168 #define CAB_TIMEOUT_VAL             10
169 #define BEACON_TIMEOUT_VAL          10
170 #define MIN_BEACON_TIMEOUT_VAL      1
171 #define SLEEP_SLOP                  3
172 
173 #define INIT_CONFIG_STATUS          0x00000000
174 #define INIT_RSSI_THR               0x00000700
175 #define INIT_BCON_CNTRL_REG         0x00000000
176 
177 #define TU_TO_USEC(_tu)             ((_tu) << 10)
178 
179 #define ATH9K_HW_RX_HP_QDEPTH	16
180 #define ATH9K_HW_RX_LP_QDEPTH	128
181 
182 #define PAPRD_GAIN_TABLE_ENTRIES	32
183 #define PAPRD_TABLE_SZ			24
184 #define PAPRD_IDEAL_AGC2_PWR_RANGE	0xe0
185 
186 /*
187  * Wake on Wireless
188  */
189 
190 /* Keep Alive Frame */
191 #define KAL_FRAME_LEN		28
192 #define KAL_FRAME_TYPE		0x2	/* data frame */
193 #define KAL_FRAME_SUB_TYPE	0x4	/* null data frame */
194 #define KAL_DURATION_ID		0x3d
195 #define KAL_NUM_DATA_WORDS	6
196 #define KAL_NUM_DESC_WORDS	12
197 #define KAL_ANTENNA_MODE	1
198 #define KAL_TO_DS		1
199 #define KAL_DELAY		4	/*delay of 4ms between 2 KAL frames */
200 #define KAL_TIMEOUT		900
201 
202 #define MAX_PATTERN_SIZE		256
203 #define MAX_PATTERN_MASK_SIZE		32
204 #define MAX_NUM_PATTERN			8
205 #define MAX_NUM_USER_PATTERN		6 /*  deducting the disassociate and
206 					      deauthenticate packets */
207 
208 /*
209  * WoW trigger mapping to hardware code
210  */
211 
212 #define AH_WOW_USER_PATTERN_EN		BIT(0)
213 #define AH_WOW_MAGIC_PATTERN_EN		BIT(1)
214 #define AH_WOW_LINK_CHANGE		BIT(2)
215 #define AH_WOW_BEACON_MISS		BIT(3)
216 
217 enum ath_hw_txq_subtype {
218 	ATH_TXQ_AC_BE = 0,
219 	ATH_TXQ_AC_BK = 1,
220 	ATH_TXQ_AC_VI = 2,
221 	ATH_TXQ_AC_VO = 3,
222 };
223 
224 enum ath_ini_subsys {
225 	ATH_INI_PRE = 0,
226 	ATH_INI_CORE,
227 	ATH_INI_POST,
228 	ATH_INI_NUM_SPLIT,
229 };
230 
231 enum ath9k_hw_caps {
232 	ATH9K_HW_CAP_HT                         = BIT(0),
233 	ATH9K_HW_CAP_RFSILENT                   = BIT(1),
234 	ATH9K_HW_CAP_AUTOSLEEP                  = BIT(2),
235 	ATH9K_HW_CAP_4KB_SPLITTRANS             = BIT(3),
236 	ATH9K_HW_CAP_EDMA			= BIT(4),
237 	ATH9K_HW_CAP_RAC_SUPPORTED		= BIT(5),
238 	ATH9K_HW_CAP_LDPC			= BIT(6),
239 	ATH9K_HW_CAP_FASTCLOCK			= BIT(7),
240 	ATH9K_HW_CAP_SGI_20			= BIT(8),
241 	ATH9K_HW_CAP_ANT_DIV_COMB		= BIT(10),
242 	ATH9K_HW_CAP_2GHZ			= BIT(11),
243 	ATH9K_HW_CAP_5GHZ			= BIT(12),
244 	ATH9K_HW_CAP_APM			= BIT(13),
245 	ATH9K_HW_CAP_RTT			= BIT(14),
246 	ATH9K_HW_CAP_MCI			= BIT(15),
247 	ATH9K_HW_CAP_DFS			= BIT(16),
248 	ATH9K_HW_WOW_DEVICE_CAPABLE		= BIT(17),
249 	ATH9K_HW_WOW_PATTERN_MATCH_EXACT	= BIT(18),
250 	ATH9K_HW_WOW_PATTERN_MATCH_DWORD	= BIT(19),
251 	ATH9K_HW_CAP_PAPRD			= BIT(20),
252 };
253 
254 /*
255  * WoW device capabilities
256  * @ATH9K_HW_WOW_DEVICE_CAPABLE: device revision is capable of WoW.
257  * @ATH9K_HW_WOW_PATTERN_MATCH_EXACT: device is capable of matching
258  * an exact user defined pattern or de-authentication/disassoc pattern.
259  * @ATH9K_HW_WOW_PATTERN_MATCH_DWORD: device requires the first four
260  * bytes of the pattern for user defined pattern, de-authentication and
261  * disassociation patterns for all types of possible frames recieved
262  * of those types.
263  */
264 
265 struct ath9k_hw_capabilities {
266 	u32 hw_caps; /* ATH9K_HW_CAP_* from ath9k_hw_caps */
267 	u16 rts_aggr_limit;
268 	u8 tx_chainmask;
269 	u8 rx_chainmask;
270 	u8 max_txchains;
271 	u8 max_rxchains;
272 	u8 num_gpio_pins;
273 	u8 rx_hp_qdepth;
274 	u8 rx_lp_qdepth;
275 	u8 rx_status_len;
276 	u8 tx_desc_len;
277 	u8 txs_len;
278 };
279 
280 struct ath9k_ops_config {
281 	int dma_beacon_response_time;
282 	int sw_beacon_response_time;
283 	int additional_swba_backoff;
284 	int ack_6mb;
285 	u32 cwm_ignore_extcca;
286 	bool pcieSerDesWrite;
287 	u8 pcie_clock_req;
288 	u32 pcie_waen;
289 	u8 analog_shiftreg;
290 	u32 ofdm_trig_low;
291 	u32 ofdm_trig_high;
292 	u32 cck_trig_high;
293 	u32 cck_trig_low;
294 	u32 enable_ani;
295 	u32 enable_paprd;
296 	int serialize_regmode;
297 	bool rx_intr_mitigation;
298 	bool tx_intr_mitigation;
299 #define SPUR_DISABLE        	0
300 #define SPUR_ENABLE_IOCTL   	1
301 #define SPUR_ENABLE_EEPROM  	2
302 #define AR_SPUR_5413_1      	1640
303 #define AR_SPUR_5413_2      	1200
304 #define AR_NO_SPUR      	0x8000
305 #define AR_BASE_FREQ_2GHZ   	2300
306 #define AR_BASE_FREQ_5GHZ   	4900
307 #define AR_SPUR_FEEQ_BOUND_HT40 19
308 #define AR_SPUR_FEEQ_BOUND_HT20 10
309 	int spurmode;
310 	u16 spurchans[AR_EEPROM_MODAL_SPURS][2];
311 	u8 max_txtrig_level;
312 	u16 ani_poll_interval; /* ANI poll interval in ms */
313 };
314 
315 enum ath9k_int {
316 	ATH9K_INT_RX = 0x00000001,
317 	ATH9K_INT_RXDESC = 0x00000002,
318 	ATH9K_INT_RXHP = 0x00000001,
319 	ATH9K_INT_RXLP = 0x00000002,
320 	ATH9K_INT_RXNOFRM = 0x00000008,
321 	ATH9K_INT_RXEOL = 0x00000010,
322 	ATH9K_INT_RXORN = 0x00000020,
323 	ATH9K_INT_TX = 0x00000040,
324 	ATH9K_INT_TXDESC = 0x00000080,
325 	ATH9K_INT_TIM_TIMER = 0x00000100,
326 	ATH9K_INT_MCI = 0x00000200,
327 	ATH9K_INT_BB_WATCHDOG = 0x00000400,
328 	ATH9K_INT_TXURN = 0x00000800,
329 	ATH9K_INT_MIB = 0x00001000,
330 	ATH9K_INT_RXPHY = 0x00004000,
331 	ATH9K_INT_RXKCM = 0x00008000,
332 	ATH9K_INT_SWBA = 0x00010000,
333 	ATH9K_INT_BMISS = 0x00040000,
334 	ATH9K_INT_BNR = 0x00100000,
335 	ATH9K_INT_TIM = 0x00200000,
336 	ATH9K_INT_DTIM = 0x00400000,
337 	ATH9K_INT_DTIMSYNC = 0x00800000,
338 	ATH9K_INT_GPIO = 0x01000000,
339 	ATH9K_INT_CABEND = 0x02000000,
340 	ATH9K_INT_TSFOOR = 0x04000000,
341 	ATH9K_INT_GENTIMER = 0x08000000,
342 	ATH9K_INT_CST = 0x10000000,
343 	ATH9K_INT_GTT = 0x20000000,
344 	ATH9K_INT_FATAL = 0x40000000,
345 	ATH9K_INT_GLOBAL = 0x80000000,
346 	ATH9K_INT_BMISC = ATH9K_INT_TIM |
347 		ATH9K_INT_DTIM |
348 		ATH9K_INT_DTIMSYNC |
349 		ATH9K_INT_TSFOOR |
350 		ATH9K_INT_CABEND,
351 	ATH9K_INT_COMMON = ATH9K_INT_RXNOFRM |
352 		ATH9K_INT_RXDESC |
353 		ATH9K_INT_RXEOL |
354 		ATH9K_INT_RXORN |
355 		ATH9K_INT_TXURN |
356 		ATH9K_INT_TXDESC |
357 		ATH9K_INT_MIB |
358 		ATH9K_INT_RXPHY |
359 		ATH9K_INT_RXKCM |
360 		ATH9K_INT_SWBA |
361 		ATH9K_INT_BMISS |
362 		ATH9K_INT_GPIO,
363 	ATH9K_INT_NOCARD = 0xffffffff
364 };
365 
366 #define CHANNEL_CCK       0x00020
367 #define CHANNEL_OFDM      0x00040
368 #define CHANNEL_2GHZ      0x00080
369 #define CHANNEL_5GHZ      0x00100
370 #define CHANNEL_PASSIVE   0x00200
371 #define CHANNEL_DYN       0x00400
372 #define CHANNEL_HALF      0x04000
373 #define CHANNEL_QUARTER   0x08000
374 #define CHANNEL_HT20      0x10000
375 #define CHANNEL_HT40PLUS  0x20000
376 #define CHANNEL_HT40MINUS 0x40000
377 
378 #define CHANNEL_A           (CHANNEL_5GHZ|CHANNEL_OFDM)
379 #define CHANNEL_B           (CHANNEL_2GHZ|CHANNEL_CCK)
380 #define CHANNEL_G           (CHANNEL_2GHZ|CHANNEL_OFDM)
381 #define CHANNEL_G_HT20      (CHANNEL_2GHZ|CHANNEL_HT20)
382 #define CHANNEL_A_HT20      (CHANNEL_5GHZ|CHANNEL_HT20)
383 #define CHANNEL_G_HT40PLUS  (CHANNEL_2GHZ|CHANNEL_HT40PLUS)
384 #define CHANNEL_G_HT40MINUS (CHANNEL_2GHZ|CHANNEL_HT40MINUS)
385 #define CHANNEL_A_HT40PLUS  (CHANNEL_5GHZ|CHANNEL_HT40PLUS)
386 #define CHANNEL_A_HT40MINUS (CHANNEL_5GHZ|CHANNEL_HT40MINUS)
387 #define CHANNEL_ALL				\
388 	(CHANNEL_OFDM|				\
389 	 CHANNEL_CCK|				\
390 	 CHANNEL_2GHZ |				\
391 	 CHANNEL_5GHZ |				\
392 	 CHANNEL_HT20 |				\
393 	 CHANNEL_HT40PLUS |			\
394 	 CHANNEL_HT40MINUS)
395 
396 #define MAX_RTT_TABLE_ENTRY     6
397 #define MAX_IQCAL_MEASUREMENT	8
398 #define MAX_CL_TAB_ENTRY	16
399 #define CL_TAB_ENTRY(reg_base)	(reg_base + (4 * j))
400 
401 struct ath9k_hw_cal_data {
402 	u16 channel;
403 	u32 channelFlags;
404 	u32 chanmode;
405 	int32_t CalValid;
406 	int8_t iCoff;
407 	int8_t qCoff;
408 	bool rtt_done;
409 	bool paprd_packet_sent;
410 	bool paprd_done;
411 	bool nfcal_pending;
412 	bool nfcal_interference;
413 	bool done_txiqcal_once;
414 	bool done_txclcal_once;
415 	u16 small_signal_gain[AR9300_MAX_CHAINS];
416 	u32 pa_table[AR9300_MAX_CHAINS][PAPRD_TABLE_SZ];
417 	u32 num_measures[AR9300_MAX_CHAINS];
418 	int tx_corr_coeff[MAX_IQCAL_MEASUREMENT][AR9300_MAX_CHAINS];
419 	u32 tx_clcal[AR9300_MAX_CHAINS][MAX_CL_TAB_ENTRY];
420 	u32 rtt_table[AR9300_MAX_CHAINS][MAX_RTT_TABLE_ENTRY];
421 	struct ath9k_nfcal_hist nfCalHist[NUM_NF_READINGS];
422 };
423 
424 struct ath9k_channel {
425 	struct ieee80211_channel *chan;
426 	struct ar5416AniState ani;
427 	u16 channel;
428 	u32 channelFlags;
429 	u32 chanmode;
430 	s16 noisefloor;
431 };
432 
433 #define IS_CHAN_G(_c) ((((_c)->channelFlags & (CHANNEL_G)) == CHANNEL_G) || \
434        (((_c)->channelFlags & CHANNEL_G_HT20) == CHANNEL_G_HT20) || \
435        (((_c)->channelFlags & CHANNEL_G_HT40PLUS) == CHANNEL_G_HT40PLUS) || \
436        (((_c)->channelFlags & CHANNEL_G_HT40MINUS) == CHANNEL_G_HT40MINUS))
437 #define IS_CHAN_OFDM(_c) (((_c)->channelFlags & CHANNEL_OFDM) != 0)
438 #define IS_CHAN_5GHZ(_c) (((_c)->channelFlags & CHANNEL_5GHZ) != 0)
439 #define IS_CHAN_2GHZ(_c) (((_c)->channelFlags & CHANNEL_2GHZ) != 0)
440 #define IS_CHAN_HALF_RATE(_c) (((_c)->channelFlags & CHANNEL_HALF) != 0)
441 #define IS_CHAN_QUARTER_RATE(_c) (((_c)->channelFlags & CHANNEL_QUARTER) != 0)
442 #define IS_CHAN_A_FAST_CLOCK(_ah, _c)			\
443 	((((_c)->channelFlags & CHANNEL_5GHZ) != 0) &&	\
444 	 ((_ah)->caps.hw_caps & ATH9K_HW_CAP_FASTCLOCK))
445 
446 /* These macros check chanmode and not channelFlags */
447 #define IS_CHAN_B(_c) ((_c)->chanmode == CHANNEL_B)
448 #define IS_CHAN_HT20(_c) (((_c)->chanmode == CHANNEL_A_HT20) ||	\
449 			  ((_c)->chanmode == CHANNEL_G_HT20))
450 #define IS_CHAN_HT40(_c) (((_c)->chanmode == CHANNEL_A_HT40PLUS) ||	\
451 			  ((_c)->chanmode == CHANNEL_A_HT40MINUS) ||	\
452 			  ((_c)->chanmode == CHANNEL_G_HT40PLUS) ||	\
453 			  ((_c)->chanmode == CHANNEL_G_HT40MINUS))
454 #define IS_CHAN_HT(_c) (IS_CHAN_HT20((_c)) || IS_CHAN_HT40((_c)))
455 
456 enum ath9k_power_mode {
457 	ATH9K_PM_AWAKE = 0,
458 	ATH9K_PM_FULL_SLEEP,
459 	ATH9K_PM_NETWORK_SLEEP,
460 	ATH9K_PM_UNDEFINED
461 };
462 
463 enum ser_reg_mode {
464 	SER_REG_MODE_OFF = 0,
465 	SER_REG_MODE_ON = 1,
466 	SER_REG_MODE_AUTO = 2,
467 };
468 
469 enum ath9k_rx_qtype {
470 	ATH9K_RX_QUEUE_HP,
471 	ATH9K_RX_QUEUE_LP,
472 	ATH9K_RX_QUEUE_MAX,
473 };
474 
475 struct ath9k_beacon_state {
476 	u32 bs_nexttbtt;
477 	u32 bs_nextdtim;
478 	u32 bs_intval;
479 #define ATH9K_TSFOOR_THRESHOLD    0x00004240 /* 16k us */
480 	u32 bs_dtimperiod;
481 	u16 bs_cfpperiod;
482 	u16 bs_cfpmaxduration;
483 	u32 bs_cfpnext;
484 	u16 bs_timoffset;
485 	u16 bs_bmissthreshold;
486 	u32 bs_sleepduration;
487 	u32 bs_tsfoor_threshold;
488 };
489 
490 struct chan_centers {
491 	u16 synth_center;
492 	u16 ctl_center;
493 	u16 ext_center;
494 };
495 
496 enum {
497 	ATH9K_RESET_POWER_ON,
498 	ATH9K_RESET_WARM,
499 	ATH9K_RESET_COLD,
500 };
501 
502 struct ath9k_hw_version {
503 	u32 magic;
504 	u16 devid;
505 	u16 subvendorid;
506 	u32 macVersion;
507 	u16 macRev;
508 	u16 phyRev;
509 	u16 analog5GhzRev;
510 	u16 analog2GhzRev;
511 	enum ath_usb_dev usbdev;
512 };
513 
514 /* Generic TSF timer definitions */
515 
516 #define ATH_MAX_GEN_TIMER	16
517 
518 #define AR_GENTMR_BIT(_index)	(1 << (_index))
519 
520 /*
521  * Using de Bruijin sequence to look up 1's index in a 32 bit number
522  * debruijn32 = 0000 0111 0111 1100 1011 0101 0011 0001
523  */
524 #define debruijn32 0x077CB531U
525 
526 struct ath_gen_timer_configuration {
527 	u32 next_addr;
528 	u32 period_addr;
529 	u32 mode_addr;
530 	u32 mode_mask;
531 };
532 
533 struct ath_gen_timer {
534 	void (*trigger)(void *arg);
535 	void (*overflow)(void *arg);
536 	void *arg;
537 	u8 index;
538 };
539 
540 struct ath_gen_timer_table {
541 	u32 gen_timer_index[32];
542 	struct ath_gen_timer *timers[ATH_MAX_GEN_TIMER];
543 	union {
544 		unsigned long timer_bits;
545 		u16 val;
546 	} timer_mask;
547 };
548 
549 struct ath_hw_antcomb_conf {
550 	u8 main_lna_conf;
551 	u8 alt_lna_conf;
552 	u8 fast_div_bias;
553 	u8 main_gaintb;
554 	u8 alt_gaintb;
555 	int lna1_lna2_delta;
556 	u8 div_group;
557 };
558 
559 /**
560  * struct ath_hw_radar_conf - radar detection initialization parameters
561  *
562  * @pulse_inband: threshold for checking the ratio of in-band power
563  *	to total power for short radar pulses (half dB steps)
564  * @pulse_inband_step: threshold for checking an in-band power to total
565  *	power ratio increase for short radar pulses (half dB steps)
566  * @pulse_height: threshold for detecting the beginning of a short
567  *	radar pulse (dB step)
568  * @pulse_rssi: threshold for detecting if a short radar pulse is
569  *	gone (dB step)
570  * @pulse_maxlen: maximum pulse length (0.8 us steps)
571  *
572  * @radar_rssi: RSSI threshold for starting long radar detection (dB steps)
573  * @radar_inband: threshold for checking the ratio of in-band power
574  *	to total power for long radar pulses (half dB steps)
575  * @fir_power: threshold for detecting the end of a long radar pulse (dB)
576  *
577  * @ext_channel: enable extension channel radar detection
578  */
579 struct ath_hw_radar_conf {
580 	unsigned int pulse_inband;
581 	unsigned int pulse_inband_step;
582 	unsigned int pulse_height;
583 	unsigned int pulse_rssi;
584 	unsigned int pulse_maxlen;
585 
586 	unsigned int radar_rssi;
587 	unsigned int radar_inband;
588 	int fir_power;
589 
590 	bool ext_channel;
591 };
592 
593 /**
594  * struct ath_hw_private_ops - callbacks used internally by hardware code
595  *
596  * This structure contains private callbacks designed to only be used internally
597  * by the hardware core.
598  *
599  * @init_cal_settings: setup types of calibrations supported
600  * @init_cal: starts actual calibration
601  *
602  * @init_mode_gain_regs: Initialize TX/RX gain registers
603  *
604  * @rf_set_freq: change frequency
605  * @spur_mitigate_freq: spur mitigation
606  * @set_rf_regs:
607  * @compute_pll_control: compute the PLL control value to use for
608  *	AR_RTC_PLL_CONTROL for a given channel
609  * @setup_calibration: set up calibration
610  * @iscal_supported: used to query if a type of calibration is supported
611  *
612  * @ani_cache_ini_regs: cache the values for ANI from the initial
613  *	register settings through the register initialization.
614  */
615 struct ath_hw_private_ops {
616 	/* Calibration ops */
617 	void (*init_cal_settings)(struct ath_hw *ah);
618 	bool (*init_cal)(struct ath_hw *ah, struct ath9k_channel *chan);
619 
620 	void (*init_mode_gain_regs)(struct ath_hw *ah);
621 	void (*setup_calibration)(struct ath_hw *ah,
622 				  struct ath9k_cal_list *currCal);
623 
624 	/* PHY ops */
625 	int (*rf_set_freq)(struct ath_hw *ah,
626 			   struct ath9k_channel *chan);
627 	void (*spur_mitigate_freq)(struct ath_hw *ah,
628 				   struct ath9k_channel *chan);
629 	bool (*set_rf_regs)(struct ath_hw *ah,
630 			    struct ath9k_channel *chan,
631 			    u16 modesIndex);
632 	void (*set_channel_regs)(struct ath_hw *ah, struct ath9k_channel *chan);
633 	void (*init_bb)(struct ath_hw *ah,
634 			struct ath9k_channel *chan);
635 	int (*process_ini)(struct ath_hw *ah, struct ath9k_channel *chan);
636 	void (*olc_init)(struct ath_hw *ah);
637 	void (*set_rfmode)(struct ath_hw *ah, struct ath9k_channel *chan);
638 	void (*mark_phy_inactive)(struct ath_hw *ah);
639 	void (*set_delta_slope)(struct ath_hw *ah, struct ath9k_channel *chan);
640 	bool (*rfbus_req)(struct ath_hw *ah);
641 	void (*rfbus_done)(struct ath_hw *ah);
642 	void (*restore_chainmask)(struct ath_hw *ah);
643 	u32 (*compute_pll_control)(struct ath_hw *ah,
644 				   struct ath9k_channel *chan);
645 	bool (*ani_control)(struct ath_hw *ah, enum ath9k_ani_cmd cmd,
646 			    int param);
647 	void (*do_getnf)(struct ath_hw *ah, int16_t nfarray[NUM_NF_READINGS]);
648 	void (*set_radar_params)(struct ath_hw *ah,
649 				 struct ath_hw_radar_conf *conf);
650 	int (*fast_chan_change)(struct ath_hw *ah, struct ath9k_channel *chan,
651 				u8 *ini_reloaded);
652 
653 	/* ANI */
654 	void (*ani_cache_ini_regs)(struct ath_hw *ah);
655 };
656 
657 /**
658  * struct ath_spec_scan - parameters for Atheros spectral scan
659  *
660  * @enabled: enable/disable spectral scan
661  * @short_repeat: controls whether the chip is in spectral scan mode
662  *		  for 4 usec (enabled) or 204 usec (disabled)
663  * @count: number of scan results requested. There are special meanings
664  *	   in some chip revisions:
665  *	   AR92xx: highest bit set (>=128) for endless mode
666  *		   (spectral scan won't stopped until explicitly disabled)
667  *	   AR9300 and newer: 0 for endless mode
668  * @endless: true if endless mode is intended. Otherwise, count value is
669  *           corrected to the next possible value.
670  * @period: time duration between successive spectral scan entry points
671  *	    (period*256*Tclk). Tclk = ath_common->clockrate
672  * @fft_period: PHY passes FFT frames to MAC every (fft_period+1)*4uS
673  *
674  * Note: Tclk = 40MHz or 44MHz depending upon operating mode.
675  *	 Typically it's 44MHz in 2/5GHz on later chips, but there's
676  *	 a "fast clock" check for this in 5GHz.
677  *
678  */
679 struct ath_spec_scan {
680 	bool enabled;
681 	bool short_repeat;
682 	bool endless;
683 	u8 count;
684 	u8 period;
685 	u8 fft_period;
686 };
687 
688 /**
689  * struct ath_hw_ops - callbacks used by hardware code and driver code
690  *
691  * This structure contains callbacks designed to to be used internally by
692  * hardware code and also by the lower level driver.
693  *
694  * @config_pci_powersave:
695  * @calibrate: periodic calibration for NF, ANI, IQ, ADC gain, ADC-DC
696  *
697  * @spectral_scan_config: set parameters for spectral scan and enable/disable it
698  * @spectral_scan_trigger: trigger a spectral scan run
699  * @spectral_scan_wait: wait for a spectral scan run to finish
700  */
701 struct ath_hw_ops {
702 	void (*config_pci_powersave)(struct ath_hw *ah,
703 				     bool power_off);
704 	void (*rx_enable)(struct ath_hw *ah);
705 	void (*set_desc_link)(void *ds, u32 link);
706 	bool (*calibrate)(struct ath_hw *ah,
707 			  struct ath9k_channel *chan,
708 			  u8 rxchainmask,
709 			  bool longcal);
710 	bool (*get_isr)(struct ath_hw *ah, enum ath9k_int *masked);
711 	void (*set_txdesc)(struct ath_hw *ah, void *ds,
712 			   struct ath_tx_info *i);
713 	int (*proc_txdesc)(struct ath_hw *ah, void *ds,
714 			   struct ath_tx_status *ts);
715 	void (*antdiv_comb_conf_get)(struct ath_hw *ah,
716 			struct ath_hw_antcomb_conf *antconf);
717 	void (*antdiv_comb_conf_set)(struct ath_hw *ah,
718 			struct ath_hw_antcomb_conf *antconf);
719 	void (*antctrl_shared_chain_lnadiv)(struct ath_hw *hw, bool enable);
720 	void (*spectral_scan_config)(struct ath_hw *ah,
721 				     struct ath_spec_scan *param);
722 	void (*spectral_scan_trigger)(struct ath_hw *ah);
723 	void (*spectral_scan_wait)(struct ath_hw *ah);
724 };
725 
726 struct ath_nf_limits {
727 	s16 max;
728 	s16 min;
729 	s16 nominal;
730 };
731 
732 enum ath_cal_list {
733 	TX_IQ_CAL         =	BIT(0),
734 	TX_IQ_ON_AGC_CAL  =	BIT(1),
735 	TX_CL_CAL         =	BIT(2),
736 };
737 
738 /* ah_flags */
739 #define AH_USE_EEPROM   0x1
740 #define AH_UNPLUGGED    0x2 /* The card has been physically removed. */
741 #define AH_FASTCC       0x4
742 
743 struct ath_hw {
744 	struct ath_ops reg_ops;
745 
746 	struct device *dev;
747 	struct ieee80211_hw *hw;
748 	struct ath_common common;
749 	struct ath9k_hw_version hw_version;
750 	struct ath9k_ops_config config;
751 	struct ath9k_hw_capabilities caps;
752 	struct ath9k_channel channels[ATH9K_NUM_CHANNELS];
753 	struct ath9k_channel *curchan;
754 
755 	union {
756 		struct ar5416_eeprom_def def;
757 		struct ar5416_eeprom_4k map4k;
758 		struct ar9287_eeprom map9287;
759 		struct ar9300_eeprom ar9300_eep;
760 	} eeprom;
761 	const struct eeprom_ops *eep_ops;
762 
763 	bool sw_mgmt_crypto;
764 	bool is_pciexpress;
765 	bool aspm_enabled;
766 	bool is_monitoring;
767 	bool need_an_top2_fixup;
768 	bool shared_chain_lnadiv;
769 	u16 tx_trig_level;
770 
771 	u32 nf_regs[6];
772 	struct ath_nf_limits nf_2g;
773 	struct ath_nf_limits nf_5g;
774 	u16 rfsilent;
775 	u32 rfkill_gpio;
776 	u32 rfkill_polarity;
777 	u32 ah_flags;
778 
779 	bool reset_power_on;
780 	bool htc_reset_init;
781 
782 	enum nl80211_iftype opmode;
783 	enum ath9k_power_mode power_mode;
784 
785 	s8 noise;
786 	struct ath9k_hw_cal_data *caldata;
787 	struct ath9k_pacal_info pacal_info;
788 	struct ar5416Stats stats;
789 	struct ath9k_tx_queue_info txq[ATH9K_NUM_TX_QUEUES];
790 
791 	enum ath9k_int imask;
792 	u32 imrs2_reg;
793 	u32 txok_interrupt_mask;
794 	u32 txerr_interrupt_mask;
795 	u32 txdesc_interrupt_mask;
796 	u32 txeol_interrupt_mask;
797 	u32 txurn_interrupt_mask;
798 	atomic_t intr_ref_cnt;
799 	bool chip_fullsleep;
800 	u32 atim_window;
801 	u32 modes_index;
802 
803 	/* Calibration */
804 	u32 supp_cals;
805 	struct ath9k_cal_list iq_caldata;
806 	struct ath9k_cal_list adcgain_caldata;
807 	struct ath9k_cal_list adcdc_caldata;
808 	struct ath9k_cal_list *cal_list;
809 	struct ath9k_cal_list *cal_list_last;
810 	struct ath9k_cal_list *cal_list_curr;
811 #define totalPowerMeasI meas0.unsign
812 #define totalPowerMeasQ meas1.unsign
813 #define totalIqCorrMeas meas2.sign
814 #define totalAdcIOddPhase  meas0.unsign
815 #define totalAdcIEvenPhase meas1.unsign
816 #define totalAdcQOddPhase  meas2.unsign
817 #define totalAdcQEvenPhase meas3.unsign
818 #define totalAdcDcOffsetIOddPhase  meas0.sign
819 #define totalAdcDcOffsetIEvenPhase meas1.sign
820 #define totalAdcDcOffsetQOddPhase  meas2.sign
821 #define totalAdcDcOffsetQEvenPhase meas3.sign
822 	union {
823 		u32 unsign[AR5416_MAX_CHAINS];
824 		int32_t sign[AR5416_MAX_CHAINS];
825 	} meas0;
826 	union {
827 		u32 unsign[AR5416_MAX_CHAINS];
828 		int32_t sign[AR5416_MAX_CHAINS];
829 	} meas1;
830 	union {
831 		u32 unsign[AR5416_MAX_CHAINS];
832 		int32_t sign[AR5416_MAX_CHAINS];
833 	} meas2;
834 	union {
835 		u32 unsign[AR5416_MAX_CHAINS];
836 		int32_t sign[AR5416_MAX_CHAINS];
837 	} meas3;
838 	u16 cal_samples;
839 	u8 enabled_cals;
840 
841 	u32 sta_id1_defaults;
842 	u32 misc_mode;
843 
844 	/* Private to hardware code */
845 	struct ath_hw_private_ops private_ops;
846 	/* Accessed by the lower level driver */
847 	struct ath_hw_ops ops;
848 
849 	/* Used to program the radio on non single-chip devices */
850 	u32 *analogBank6Data;
851 
852 	int coverage_class;
853 	u32 slottime;
854 	u32 globaltxtimeout;
855 
856 	/* ANI */
857 	u32 proc_phyerr;
858 	u32 aniperiod;
859 	enum ath9k_ani_cmd ani_function;
860 	u32 ani_skip_count;
861 
862 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
863 	struct ath_btcoex_hw btcoex_hw;
864 #endif
865 
866 	u32 intr_txqs;
867 	u8 txchainmask;
868 	u8 rxchainmask;
869 
870 	struct ath_hw_radar_conf radar_conf;
871 
872 	u32 originalGain[22];
873 	int initPDADC;
874 	int PDADCdelta;
875 	int led_pin;
876 	u32 gpio_mask;
877 	u32 gpio_val;
878 
879 	struct ar5416IniArray iniModes;
880 	struct ar5416IniArray iniCommon;
881 	struct ar5416IniArray iniBB_RfGain;
882 	struct ar5416IniArray iniBank6;
883 	struct ar5416IniArray iniAddac;
884 	struct ar5416IniArray iniPcieSerdes;
885 #ifdef CONFIG_PM_SLEEP
886 	struct ar5416IniArray iniPcieSerdesWow;
887 #endif
888 	struct ar5416IniArray iniPcieSerdesLowPower;
889 	struct ar5416IniArray iniModesFastClock;
890 	struct ar5416IniArray iniAdditional;
891 	struct ar5416IniArray iniModesRxGain;
892 	struct ar5416IniArray ini_modes_rx_gain_bounds;
893 	struct ar5416IniArray iniModesTxGain;
894 	struct ar5416IniArray iniCckfirNormal;
895 	struct ar5416IniArray iniCckfirJapan2484;
896 	struct ar5416IniArray iniModes_9271_ANI_reg;
897 	struct ar5416IniArray ini_radio_post_sys2ant;
898 
899 	struct ar5416IniArray iniMac[ATH_INI_NUM_SPLIT];
900 	struct ar5416IniArray iniBB[ATH_INI_NUM_SPLIT];
901 	struct ar5416IniArray iniRadio[ATH_INI_NUM_SPLIT];
902 	struct ar5416IniArray iniSOC[ATH_INI_NUM_SPLIT];
903 
904 	u32 intr_gen_timer_trigger;
905 	u32 intr_gen_timer_thresh;
906 	struct ath_gen_timer_table hw_gen_timers;
907 
908 	struct ar9003_txs *ts_ring;
909 	u32 ts_paddr_start;
910 	u32 ts_paddr_end;
911 	u16 ts_tail;
912 	u16 ts_size;
913 
914 	u32 bb_watchdog_last_status;
915 	u32 bb_watchdog_timeout_ms; /* in ms, 0 to disable */
916 	u8 bb_hang_rx_ofdm; /* true if bb hang due to rx_ofdm */
917 
918 	unsigned int paprd_target_power;
919 	unsigned int paprd_training_power;
920 	unsigned int paprd_ratemask;
921 	unsigned int paprd_ratemask_ht40;
922 	bool paprd_table_write_done;
923 	u32 paprd_gain_table_entries[PAPRD_GAIN_TABLE_ENTRIES];
924 	u8 paprd_gain_table_index[PAPRD_GAIN_TABLE_ENTRIES];
925 	/*
926 	 * Store the permanent value of Reg 0x4004in WARegVal
927 	 * so we dont have to R/M/W. We should not be reading
928 	 * this register when in sleep states.
929 	 */
930 	u32 WARegVal;
931 
932 	/* Enterprise mode cap */
933 	u32 ent_mode;
934 
935 #ifdef CONFIG_PM_SLEEP
936 	u32 wow_event_mask;
937 #endif
938 	bool is_clk_25mhz;
939 	int (*get_mac_revision)(void);
940 	int (*external_reset)(void);
941 
942 	const struct firmware *eeprom_blob;
943 };
944 
945 struct ath_bus_ops {
946 	enum ath_bus_type ath_bus_type;
947 	void (*read_cachesize)(struct ath_common *common, int *csz);
948 	bool (*eeprom_read)(struct ath_common *common, u32 off, u16 *data);
949 	void (*bt_coex_prep)(struct ath_common *common);
950 	void (*aspm_init)(struct ath_common *common);
951 };
952 
ath9k_hw_common(struct ath_hw * ah)953 static inline struct ath_common *ath9k_hw_common(struct ath_hw *ah)
954 {
955 	return &ah->common;
956 }
957 
ath9k_hw_regulatory(struct ath_hw * ah)958 static inline struct ath_regulatory *ath9k_hw_regulatory(struct ath_hw *ah)
959 {
960 	return &(ath9k_hw_common(ah)->regulatory);
961 }
962 
ath9k_hw_private_ops(struct ath_hw * ah)963 static inline struct ath_hw_private_ops *ath9k_hw_private_ops(struct ath_hw *ah)
964 {
965 	return &ah->private_ops;
966 }
967 
ath9k_hw_ops(struct ath_hw * ah)968 static inline struct ath_hw_ops *ath9k_hw_ops(struct ath_hw *ah)
969 {
970 	return &ah->ops;
971 }
972 
get_streams(int mask)973 static inline u8 get_streams(int mask)
974 {
975 	return !!(mask & BIT(0)) + !!(mask & BIT(1)) + !!(mask & BIT(2));
976 }
977 
978 /* Initialization, Detach, Reset */
979 void ath9k_hw_deinit(struct ath_hw *ah);
980 int ath9k_hw_init(struct ath_hw *ah);
981 int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
982 		   struct ath9k_hw_cal_data *caldata, bool fastcc);
983 int ath9k_hw_fill_cap_info(struct ath_hw *ah);
984 u32 ath9k_regd_get_ctl(struct ath_regulatory *reg, struct ath9k_channel *chan);
985 
986 /* GPIO / RFKILL / Antennae */
987 void ath9k_hw_cfg_gpio_input(struct ath_hw *ah, u32 gpio);
988 u32 ath9k_hw_gpio_get(struct ath_hw *ah, u32 gpio);
989 void ath9k_hw_cfg_output(struct ath_hw *ah, u32 gpio,
990 			 u32 ah_signal_type);
991 void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val);
992 void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna);
993 
994 /* General Operation */
995 void ath9k_hw_synth_delay(struct ath_hw *ah, struct ath9k_channel *chan,
996 			  int hw_delay);
997 bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout);
998 void ath9k_hw_write_array(struct ath_hw *ah, const struct ar5416IniArray *array,
999 			  int column, unsigned int *writecnt);
1000 u32 ath9k_hw_reverse_bits(u32 val, u32 n);
1001 u16 ath9k_hw_computetxtime(struct ath_hw *ah,
1002 			   u8 phy, int kbps,
1003 			   u32 frameLen, u16 rateix, bool shortPreamble);
1004 void ath9k_hw_get_channel_centers(struct ath_hw *ah,
1005 				  struct ath9k_channel *chan,
1006 				  struct chan_centers *centers);
1007 u32 ath9k_hw_getrxfilter(struct ath_hw *ah);
1008 void ath9k_hw_setrxfilter(struct ath_hw *ah, u32 bits);
1009 bool ath9k_hw_phy_disable(struct ath_hw *ah);
1010 bool ath9k_hw_disable(struct ath_hw *ah);
1011 void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit, bool test);
1012 void ath9k_hw_setopmode(struct ath_hw *ah);
1013 void ath9k_hw_setmcastfilter(struct ath_hw *ah, u32 filter0, u32 filter1);
1014 void ath9k_hw_write_associd(struct ath_hw *ah);
1015 u32 ath9k_hw_gettsf32(struct ath_hw *ah);
1016 u64 ath9k_hw_gettsf64(struct ath_hw *ah);
1017 void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64);
1018 void ath9k_hw_reset_tsf(struct ath_hw *ah);
1019 void ath9k_hw_set_tsfadjust(struct ath_hw *ah, bool set);
1020 void ath9k_hw_init_global_settings(struct ath_hw *ah);
1021 u32 ar9003_get_pll_sqsum_dvc(struct ath_hw *ah);
1022 void ath9k_hw_set11nmac2040(struct ath_hw *ah);
1023 void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period);
1024 void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
1025 				    const struct ath9k_beacon_state *bs);
1026 bool ath9k_hw_check_alive(struct ath_hw *ah);
1027 
1028 bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode);
1029 
1030 #ifdef CONFIG_ATH9K_DEBUGFS
1031 void ath9k_debug_sync_cause(struct ath_common *common, u32 sync_cause);
1032 #else
ath9k_debug_sync_cause(struct ath_common * common,u32 sync_cause)1033 static inline void ath9k_debug_sync_cause(struct ath_common *common,
1034 					  u32 sync_cause) {}
1035 #endif
1036 
1037 /* Generic hw timer primitives */
1038 struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah,
1039 					  void (*trigger)(void *),
1040 					  void (*overflow)(void *),
1041 					  void *arg,
1042 					  u8 timer_index);
1043 void ath9k_hw_gen_timer_start(struct ath_hw *ah,
1044 			      struct ath_gen_timer *timer,
1045 			      u32 timer_next,
1046 			      u32 timer_period);
1047 void ath9k_hw_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer);
1048 
1049 void ath_gen_timer_free(struct ath_hw *ah, struct ath_gen_timer *timer);
1050 void ath_gen_timer_isr(struct ath_hw *hw);
1051 
1052 void ath9k_hw_name(struct ath_hw *ah, char *hw_name, size_t len);
1053 
1054 /* PHY */
1055 void ath9k_hw_get_delta_slope_vals(struct ath_hw *ah, u32 coef_scaled,
1056 				   u32 *coef_mantissa, u32 *coef_exponent);
1057 void ath9k_hw_apply_txpower(struct ath_hw *ah, struct ath9k_channel *chan,
1058 			    bool test);
1059 
1060 /*
1061  * Code Specific to AR5008, AR9001 or AR9002,
1062  * we stuff these here to avoid callbacks for AR9003.
1063  */
1064 int ar9002_hw_rf_claim(struct ath_hw *ah);
1065 void ar9002_hw_enable_async_fifo(struct ath_hw *ah);
1066 
1067 /*
1068  * Code specific to AR9003, we stuff these here to avoid callbacks
1069  * for older families
1070  */
1071 void ar9003_hw_bb_watchdog_config(struct ath_hw *ah);
1072 void ar9003_hw_bb_watchdog_read(struct ath_hw *ah);
1073 void ar9003_hw_bb_watchdog_dbg_info(struct ath_hw *ah);
1074 void ar9003_hw_disable_phy_restart(struct ath_hw *ah);
1075 void ar9003_paprd_enable(struct ath_hw *ah, bool val);
1076 void ar9003_paprd_populate_single_table(struct ath_hw *ah,
1077 					struct ath9k_hw_cal_data *caldata,
1078 					int chain);
1079 int ar9003_paprd_create_curve(struct ath_hw *ah,
1080 			      struct ath9k_hw_cal_data *caldata, int chain);
1081 void ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain);
1082 int ar9003_paprd_init_table(struct ath_hw *ah);
1083 bool ar9003_paprd_is_done(struct ath_hw *ah);
1084 bool ar9003_is_paprd_enabled(struct ath_hw *ah);
1085 void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx);
1086 
1087 /* Hardware family op attach helpers */
1088 int ar5008_hw_attach_phy_ops(struct ath_hw *ah);
1089 void ar9002_hw_attach_phy_ops(struct ath_hw *ah);
1090 void ar9003_hw_attach_phy_ops(struct ath_hw *ah);
1091 
1092 void ar9002_hw_attach_calib_ops(struct ath_hw *ah);
1093 void ar9003_hw_attach_calib_ops(struct ath_hw *ah);
1094 
1095 int ar9002_hw_attach_ops(struct ath_hw *ah);
1096 void ar9003_hw_attach_ops(struct ath_hw *ah);
1097 
1098 void ar9002_hw_load_ani_reg(struct ath_hw *ah, struct ath9k_channel *chan);
1099 
1100 void ath9k_ani_reset(struct ath_hw *ah, bool is_scanning);
1101 void ath9k_hw_ani_monitor(struct ath_hw *ah, struct ath9k_channel *chan);
1102 
1103 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
ath9k_hw_btcoex_is_enabled(struct ath_hw * ah)1104 static inline bool ath9k_hw_btcoex_is_enabled(struct ath_hw *ah)
1105 {
1106 	return ah->btcoex_hw.enabled;
1107 }
ath9k_hw_mci_is_enabled(struct ath_hw * ah)1108 static inline bool ath9k_hw_mci_is_enabled(struct ath_hw *ah)
1109 {
1110 	return ah->common.btcoex_enabled &&
1111 	       (ah->caps.hw_caps & ATH9K_HW_CAP_MCI);
1112 
1113 }
1114 void ath9k_hw_btcoex_enable(struct ath_hw *ah);
1115 static inline enum ath_btcoex_scheme
ath9k_hw_get_btcoex_scheme(struct ath_hw * ah)1116 ath9k_hw_get_btcoex_scheme(struct ath_hw *ah)
1117 {
1118 	return ah->btcoex_hw.scheme;
1119 }
1120 #else
ath9k_hw_btcoex_is_enabled(struct ath_hw * ah)1121 static inline bool ath9k_hw_btcoex_is_enabled(struct ath_hw *ah)
1122 {
1123 	return false;
1124 }
ath9k_hw_mci_is_enabled(struct ath_hw * ah)1125 static inline bool ath9k_hw_mci_is_enabled(struct ath_hw *ah)
1126 {
1127 	return false;
1128 }
ath9k_hw_btcoex_enable(struct ath_hw * ah)1129 static inline void ath9k_hw_btcoex_enable(struct ath_hw *ah)
1130 {
1131 }
1132 static inline enum ath_btcoex_scheme
ath9k_hw_get_btcoex_scheme(struct ath_hw * ah)1133 ath9k_hw_get_btcoex_scheme(struct ath_hw *ah)
1134 {
1135 	return ATH_BTCOEX_CFG_NONE;
1136 }
1137 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
1138 
1139 
1140 #ifdef CONFIG_PM_SLEEP
1141 const char *ath9k_hw_wow_event_to_string(u32 wow_event);
1142 void ath9k_hw_wow_apply_pattern(struct ath_hw *ah, u8 *user_pattern,
1143 				u8 *user_mask, int pattern_count,
1144 				int pattern_len);
1145 u32 ath9k_hw_wow_wakeup(struct ath_hw *ah);
1146 void ath9k_hw_wow_enable(struct ath_hw *ah, u32 pattern_enable);
1147 #else
ath9k_hw_wow_event_to_string(u32 wow_event)1148 static inline const char *ath9k_hw_wow_event_to_string(u32 wow_event)
1149 {
1150 	return NULL;
1151 }
ath9k_hw_wow_apply_pattern(struct ath_hw * ah,u8 * user_pattern,u8 * user_mask,int pattern_count,int pattern_len)1152 static inline void ath9k_hw_wow_apply_pattern(struct ath_hw *ah,
1153 					      u8 *user_pattern,
1154 					      u8 *user_mask,
1155 					      int pattern_count,
1156 					      int pattern_len)
1157 {
1158 }
ath9k_hw_wow_wakeup(struct ath_hw * ah)1159 static inline u32 ath9k_hw_wow_wakeup(struct ath_hw *ah)
1160 {
1161 	return 0;
1162 }
ath9k_hw_wow_enable(struct ath_hw * ah,u32 pattern_enable)1163 static inline void ath9k_hw_wow_enable(struct ath_hw *ah, u32 pattern_enable)
1164 {
1165 }
1166 #endif
1167 
1168 
1169 
1170 #define ATH9K_CLOCK_RATE_CCK		22
1171 #define ATH9K_CLOCK_RATE_5GHZ_OFDM	40
1172 #define ATH9K_CLOCK_RATE_2GHZ_OFDM	44
1173 #define ATH9K_CLOCK_FAST_RATE_5GHZ_OFDM 44
1174 
1175 #endif
1176