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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 #include "dynack.h"
33 
34 #include "../regd.h"
35 
36 #define ATHEROS_VENDOR_ID	0x168c
37 
38 #define AR5416_DEVID_PCI	0x0023
39 #define AR5416_DEVID_PCIE	0x0024
40 #define AR9160_DEVID_PCI	0x0027
41 #define AR9280_DEVID_PCI	0x0029
42 #define AR9280_DEVID_PCIE	0x002a
43 #define AR9285_DEVID_PCIE	0x002b
44 #define AR2427_DEVID_PCIE	0x002c
45 #define AR9287_DEVID_PCI	0x002d
46 #define AR9287_DEVID_PCIE	0x002e
47 #define AR9300_DEVID_PCIE	0x0030
48 #define AR9300_DEVID_AR9340	0x0031
49 #define AR9300_DEVID_AR9485_PCIE 0x0032
50 #define AR9300_DEVID_AR9580	0x0033
51 #define AR9300_DEVID_AR9462	0x0034
52 #define AR9300_DEVID_AR9330	0x0035
53 #define AR9300_DEVID_QCA955X	0x0038
54 #define AR9485_DEVID_AR1111	0x0037
55 #define AR9300_DEVID_AR9565     0x0036
56 #define AR9300_DEVID_AR953X     0x003d
57 
58 #define AR5416_AR9100_DEVID	0x000b
59 
60 #define	AR_SUBVENDOR_ID_NOG	0x0e11
61 #define AR_SUBVENDOR_ID_NEW_A	0x7065
62 #define AR5416_MAGIC		0x19641014
63 
64 #define AR9280_COEX2WIRE_SUBSYSID	0x309b
65 #define AT9285_COEX3WIRE_SA_SUBSYSID	0x30aa
66 #define AT9285_COEX3WIRE_DA_SUBSYSID	0x30ab
67 
68 #define ATH_AMPDU_LIMIT_MAX        (64 * 1024 - 1)
69 
70 #define	ATH_DEFAULT_NOISE_FLOOR -95
71 
72 #define ATH9K_RSSI_BAD			-128
73 
74 #define ATH9K_NUM_CHANNELS	38
75 
76 /* Register read/write primitives */
77 #define REG_WRITE(_ah, _reg, _val) \
78 	(_ah)->reg_ops.write((_ah), (_val), (_reg))
79 
80 #define REG_READ(_ah, _reg) \
81 	(_ah)->reg_ops.read((_ah), (_reg))
82 
83 #define REG_READ_MULTI(_ah, _addr, _val, _cnt)		\
84 	(_ah)->reg_ops.multi_read((_ah), (_addr), (_val), (_cnt))
85 
86 #define REG_RMW(_ah, _reg, _set, _clr) \
87 	(_ah)->reg_ops.rmw((_ah), (_reg), (_set), (_clr))
88 
89 #define ENABLE_REGWRITE_BUFFER(_ah)					\
90 	do {								\
91 		if ((_ah)->reg_ops.enable_write_buffer)	\
92 			(_ah)->reg_ops.enable_write_buffer((_ah)); \
93 	} while (0)
94 
95 #define REGWRITE_BUFFER_FLUSH(_ah)					\
96 	do {								\
97 		if ((_ah)->reg_ops.write_flush)		\
98 			(_ah)->reg_ops.write_flush((_ah));	\
99 	} while (0)
100 
101 #define PR_EEP(_s, _val)						\
102 	do {								\
103 		len += scnprintf(buf + len, size - len, "%20s : %10d\n",\
104 				 _s, (_val));				\
105 	} while (0)
106 
107 #define SM(_v, _f)  (((_v) << _f##_S) & _f)
108 #define MS(_v, _f)  (((_v) & _f) >> _f##_S)
109 #define REG_RMW_FIELD(_a, _r, _f, _v) \
110 	REG_RMW(_a, _r, (((_v) << _f##_S) & _f), (_f))
111 #define REG_READ_FIELD(_a, _r, _f) \
112 	(((REG_READ(_a, _r) & _f) >> _f##_S))
113 #define REG_SET_BIT(_a, _r, _f) \
114 	REG_RMW(_a, _r, (_f), 0)
115 #define REG_CLR_BIT(_a, _r, _f) \
116 	REG_RMW(_a, _r, 0, (_f))
117 
118 #define DO_DELAY(x) do {					\
119 		if (((++(x) % 64) == 0) &&			\
120 		    (ath9k_hw_common(ah)->bus_ops->ath_bus_type	\
121 			!= ATH_USB))				\
122 			udelay(1);				\
123 	} while (0)
124 
125 #define REG_WRITE_ARRAY(iniarray, column, regWr) \
126 	ath9k_hw_write_array(ah, iniarray, column, &(regWr))
127 
128 #define AR_GPIO_OUTPUT_MUX_AS_OUTPUT             0
129 #define AR_GPIO_OUTPUT_MUX_AS_PCIE_ATTENTION_LED 1
130 #define AR_GPIO_OUTPUT_MUX_AS_PCIE_POWER_LED     2
131 #define AR_GPIO_OUTPUT_MUX_AS_TX_FRAME           3
132 #define AR_GPIO_OUTPUT_MUX_AS_RX_CLEAR_EXTERNAL  4
133 #define AR_GPIO_OUTPUT_MUX_AS_MAC_NETWORK_LED    5
134 #define AR_GPIO_OUTPUT_MUX_AS_MAC_POWER_LED      6
135 #define AR_GPIO_OUTPUT_MUX_AS_MCI_WLAN_DATA      0x16
136 #define AR_GPIO_OUTPUT_MUX_AS_MCI_WLAN_CLK       0x17
137 #define AR_GPIO_OUTPUT_MUX_AS_MCI_BT_DATA        0x18
138 #define AR_GPIO_OUTPUT_MUX_AS_MCI_BT_CLK         0x19
139 #define AR_GPIO_OUTPUT_MUX_AS_WL_IN_TX           0x14
140 #define AR_GPIO_OUTPUT_MUX_AS_WL_IN_RX           0x13
141 #define AR_GPIO_OUTPUT_MUX_AS_BT_IN_TX           9
142 #define AR_GPIO_OUTPUT_MUX_AS_BT_IN_RX           8
143 #define AR_GPIO_OUTPUT_MUX_AS_RUCKUS_STROBE      0x1d
144 #define AR_GPIO_OUTPUT_MUX_AS_RUCKUS_DATA        0x1e
145 
146 #define AR_GPIOD_MASK               0x00001FFF
147 #define AR_GPIO_BIT(_gpio)          (1 << (_gpio))
148 
149 #define BASE_ACTIVATE_DELAY         100
150 #define RTC_PLL_SETTLE_DELAY        (AR_SREV_9340(ah) ? 1000 : 100)
151 #define COEF_SCALE_S                24
152 #define HT40_CHANNEL_CENTER_SHIFT   10
153 
154 #define ATH9K_ANTENNA0_CHAINMASK    0x1
155 #define ATH9K_ANTENNA1_CHAINMASK    0x2
156 
157 #define ATH9K_NUM_DMA_DEBUG_REGS    8
158 #define ATH9K_NUM_QUEUES            10
159 
160 #define MAX_RATE_POWER              63
161 #define AH_WAIT_TIMEOUT             100000 /* (us) */
162 #define AH_TSF_WRITE_TIMEOUT        100    /* (us) */
163 #define AH_TIME_QUANTUM             10
164 #define AR_KEYTABLE_SIZE            128
165 #define POWER_UP_TIME               10000
166 #define SPUR_RSSI_THRESH            40
167 #define UPPER_5G_SUB_BAND_START		5700
168 #define MID_5G_SUB_BAND_START		5400
169 
170 #define CAB_TIMEOUT_VAL             10
171 #define BEACON_TIMEOUT_VAL          10
172 #define MIN_BEACON_TIMEOUT_VAL      1
173 #define SLEEP_SLOP                  TU_TO_USEC(3)
174 
175 #define INIT_CONFIG_STATUS          0x00000000
176 #define INIT_RSSI_THR               0x00000700
177 #define INIT_BCON_CNTRL_REG         0x00000000
178 
179 #define TU_TO_USEC(_tu)             ((_tu) << 10)
180 
181 #define ATH9K_HW_RX_HP_QDEPTH	16
182 #define ATH9K_HW_RX_LP_QDEPTH	128
183 
184 #define PAPRD_GAIN_TABLE_ENTRIES	32
185 #define PAPRD_TABLE_SZ			24
186 #define PAPRD_IDEAL_AGC2_PWR_RANGE	0xe0
187 
188 /*
189  * Wake on Wireless
190  */
191 
192 /* Keep Alive Frame */
193 #define KAL_FRAME_LEN		28
194 #define KAL_FRAME_TYPE		0x2	/* data frame */
195 #define KAL_FRAME_SUB_TYPE	0x4	/* null data frame */
196 #define KAL_DURATION_ID		0x3d
197 #define KAL_NUM_DATA_WORDS	6
198 #define KAL_NUM_DESC_WORDS	12
199 #define KAL_ANTENNA_MODE	1
200 #define KAL_TO_DS		1
201 #define KAL_DELAY		4	/*delay of 4ms between 2 KAL frames */
202 #define KAL_TIMEOUT		900
203 
204 #define MAX_PATTERN_SIZE		256
205 #define MAX_PATTERN_MASK_SIZE		32
206 #define MAX_NUM_PATTERN			8
207 #define MAX_NUM_USER_PATTERN		6 /*  deducting the disassociate and
208 					      deauthenticate packets */
209 
210 /*
211  * WoW trigger mapping to hardware code
212  */
213 
214 #define AH_WOW_USER_PATTERN_EN		BIT(0)
215 #define AH_WOW_MAGIC_PATTERN_EN		BIT(1)
216 #define AH_WOW_LINK_CHANGE		BIT(2)
217 #define AH_WOW_BEACON_MISS		BIT(3)
218 
219 enum ath_hw_txq_subtype {
220 	ATH_TXQ_AC_BK = 0,
221 	ATH_TXQ_AC_BE = 1,
222 	ATH_TXQ_AC_VI = 2,
223 	ATH_TXQ_AC_VO = 3,
224 };
225 
226 enum ath_ini_subsys {
227 	ATH_INI_PRE = 0,
228 	ATH_INI_CORE,
229 	ATH_INI_POST,
230 	ATH_INI_NUM_SPLIT,
231 };
232 
233 enum ath9k_hw_caps {
234 	ATH9K_HW_CAP_HT                         = BIT(0),
235 	ATH9K_HW_CAP_RFSILENT                   = BIT(1),
236 	ATH9K_HW_CAP_AUTOSLEEP                  = BIT(2),
237 	ATH9K_HW_CAP_4KB_SPLITTRANS             = BIT(3),
238 	ATH9K_HW_CAP_EDMA			= BIT(4),
239 	ATH9K_HW_CAP_RAC_SUPPORTED		= BIT(5),
240 	ATH9K_HW_CAP_LDPC			= BIT(6),
241 	ATH9K_HW_CAP_FASTCLOCK			= BIT(7),
242 	ATH9K_HW_CAP_SGI_20			= BIT(8),
243 	ATH9K_HW_CAP_ANT_DIV_COMB		= BIT(10),
244 	ATH9K_HW_CAP_2GHZ			= BIT(11),
245 	ATH9K_HW_CAP_5GHZ			= BIT(12),
246 	ATH9K_HW_CAP_APM			= BIT(13),
247 	ATH9K_HW_CAP_RTT			= BIT(14),
248 	ATH9K_HW_CAP_MCI			= BIT(15),
249 	ATH9K_HW_CAP_DFS			= BIT(16),
250 	ATH9K_HW_WOW_DEVICE_CAPABLE		= BIT(17),
251 	ATH9K_HW_CAP_PAPRD			= BIT(18),
252 	ATH9K_HW_CAP_FCC_BAND_SWITCH		= BIT(19),
253 	ATH9K_HW_CAP_BT_ANT_DIV			= BIT(20),
254 };
255 
256 /*
257  * WoW device capabilities
258  * @ATH9K_HW_WOW_DEVICE_CAPABLE: device revision is capable of WoW.
259  * @ATH9K_HW_WOW_PATTERN_MATCH_EXACT: device is capable of matching
260  * an exact user defined pattern or de-authentication/disassoc pattern.
261  * @ATH9K_HW_WOW_PATTERN_MATCH_DWORD: device requires the first four
262  * bytes of the pattern for user defined pattern, de-authentication and
263  * disassociation patterns for all types of possible frames recieved
264  * of those types.
265  */
266 
267 struct ath9k_hw_capabilities {
268 	u32 hw_caps; /* ATH9K_HW_CAP_* from ath9k_hw_caps */
269 	u16 rts_aggr_limit;
270 	u8 tx_chainmask;
271 	u8 rx_chainmask;
272 	u8 max_txchains;
273 	u8 max_rxchains;
274 	u8 num_gpio_pins;
275 	u8 rx_hp_qdepth;
276 	u8 rx_lp_qdepth;
277 	u8 rx_status_len;
278 	u8 tx_desc_len;
279 	u8 txs_len;
280 };
281 
282 #define AR_NO_SPUR      	0x8000
283 #define AR_BASE_FREQ_2GHZ   	2300
284 #define AR_BASE_FREQ_5GHZ   	4900
285 #define AR_SPUR_FEEQ_BOUND_HT40 19
286 #define AR_SPUR_FEEQ_BOUND_HT20 10
287 
288 enum ath9k_hw_hang_checks {
289 	HW_BB_WATCHDOG            = BIT(0),
290 	HW_PHYRESTART_CLC_WAR     = BIT(1),
291 	HW_BB_RIFS_HANG           = BIT(2),
292 	HW_BB_DFS_HANG            = BIT(3),
293 	HW_BB_RX_CLEAR_STUCK_HANG = BIT(4),
294 	HW_MAC_HANG               = BIT(5),
295 };
296 
297 struct ath9k_ops_config {
298 	int dma_beacon_response_time;
299 	int sw_beacon_response_time;
300 	u32 cwm_ignore_extcca;
301 	u32 pcie_waen;
302 	u8 analog_shiftreg;
303 	u32 ofdm_trig_low;
304 	u32 ofdm_trig_high;
305 	u32 cck_trig_high;
306 	u32 cck_trig_low;
307 	u32 enable_paprd;
308 	int serialize_regmode;
309 	bool rx_intr_mitigation;
310 	bool tx_intr_mitigation;
311 	u8 max_txtrig_level;
312 	u16 ani_poll_interval; /* ANI poll interval in ms */
313 	u16 hw_hang_checks;
314 	u16 rimt_first;
315 	u16 rimt_last;
316 
317 	/* Platform specific config */
318 	u32 aspm_l1_fix;
319 	u32 xlna_gpio;
320 	u32 ant_ctrl_comm2g_switch_enable;
321 	bool xatten_margin_cfg;
322 	bool alt_mingainidx;
323 	bool no_pll_pwrsave;
324 	bool tx_gain_buffalo;
325 };
326 
327 enum ath9k_int {
328 	ATH9K_INT_RX = 0x00000001,
329 	ATH9K_INT_RXDESC = 0x00000002,
330 	ATH9K_INT_RXHP = 0x00000001,
331 	ATH9K_INT_RXLP = 0x00000002,
332 	ATH9K_INT_RXNOFRM = 0x00000008,
333 	ATH9K_INT_RXEOL = 0x00000010,
334 	ATH9K_INT_RXORN = 0x00000020,
335 	ATH9K_INT_TX = 0x00000040,
336 	ATH9K_INT_TXDESC = 0x00000080,
337 	ATH9K_INT_TIM_TIMER = 0x00000100,
338 	ATH9K_INT_MCI = 0x00000200,
339 	ATH9K_INT_BB_WATCHDOG = 0x00000400,
340 	ATH9K_INT_TXURN = 0x00000800,
341 	ATH9K_INT_MIB = 0x00001000,
342 	ATH9K_INT_RXPHY = 0x00004000,
343 	ATH9K_INT_RXKCM = 0x00008000,
344 	ATH9K_INT_SWBA = 0x00010000,
345 	ATH9K_INT_BMISS = 0x00040000,
346 	ATH9K_INT_BNR = 0x00100000,
347 	ATH9K_INT_TIM = 0x00200000,
348 	ATH9K_INT_DTIM = 0x00400000,
349 	ATH9K_INT_DTIMSYNC = 0x00800000,
350 	ATH9K_INT_GPIO = 0x01000000,
351 	ATH9K_INT_CABEND = 0x02000000,
352 	ATH9K_INT_TSFOOR = 0x04000000,
353 	ATH9K_INT_GENTIMER = 0x08000000,
354 	ATH9K_INT_CST = 0x10000000,
355 	ATH9K_INT_GTT = 0x20000000,
356 	ATH9K_INT_FATAL = 0x40000000,
357 	ATH9K_INT_GLOBAL = 0x80000000,
358 	ATH9K_INT_BMISC = ATH9K_INT_TIM |
359 		ATH9K_INT_DTIM |
360 		ATH9K_INT_DTIMSYNC |
361 		ATH9K_INT_TSFOOR |
362 		ATH9K_INT_CABEND,
363 	ATH9K_INT_COMMON = ATH9K_INT_RXNOFRM |
364 		ATH9K_INT_RXDESC |
365 		ATH9K_INT_RXEOL |
366 		ATH9K_INT_RXORN |
367 		ATH9K_INT_TXURN |
368 		ATH9K_INT_TXDESC |
369 		ATH9K_INT_MIB |
370 		ATH9K_INT_RXPHY |
371 		ATH9K_INT_RXKCM |
372 		ATH9K_INT_SWBA |
373 		ATH9K_INT_BMISS |
374 		ATH9K_INT_GPIO,
375 	ATH9K_INT_NOCARD = 0xffffffff
376 };
377 
378 #define MAX_RTT_TABLE_ENTRY     6
379 #define MAX_IQCAL_MEASUREMENT	8
380 #define MAX_CL_TAB_ENTRY	16
381 #define CL_TAB_ENTRY(reg_base)	(reg_base + (4 * j))
382 
383 enum ath9k_cal_flags {
384 	RTT_DONE,
385 	PAPRD_PACKET_SENT,
386 	PAPRD_DONE,
387 	NFCAL_PENDING,
388 	NFCAL_INTF,
389 	TXIQCAL_DONE,
390 	TXCLCAL_DONE,
391 	SW_PKDET_DONE,
392 };
393 
394 struct ath9k_hw_cal_data {
395 	u16 channel;
396 	u16 channelFlags;
397 	unsigned long cal_flags;
398 	int32_t CalValid;
399 	int8_t iCoff;
400 	int8_t qCoff;
401 	u8 caldac[2];
402 	u16 small_signal_gain[AR9300_MAX_CHAINS];
403 	u32 pa_table[AR9300_MAX_CHAINS][PAPRD_TABLE_SZ];
404 	u32 num_measures[AR9300_MAX_CHAINS];
405 	int tx_corr_coeff[MAX_IQCAL_MEASUREMENT][AR9300_MAX_CHAINS];
406 	u32 tx_clcal[AR9300_MAX_CHAINS][MAX_CL_TAB_ENTRY];
407 	u32 rtt_table[AR9300_MAX_CHAINS][MAX_RTT_TABLE_ENTRY];
408 	struct ath9k_nfcal_hist nfCalHist[NUM_NF_READINGS];
409 };
410 
411 struct ath9k_channel {
412 	struct ieee80211_channel *chan;
413 	u16 channel;
414 	u16 channelFlags;
415 	s16 noisefloor;
416 };
417 
418 #define CHANNEL_5GHZ		BIT(0)
419 #define CHANNEL_HALF		BIT(1)
420 #define CHANNEL_QUARTER		BIT(2)
421 #define CHANNEL_HT		BIT(3)
422 #define CHANNEL_HT40PLUS	BIT(4)
423 #define CHANNEL_HT40MINUS	BIT(5)
424 
425 #define IS_CHAN_5GHZ(_c) (!!((_c)->channelFlags & CHANNEL_5GHZ))
426 #define IS_CHAN_2GHZ(_c) (!IS_CHAN_5GHZ(_c))
427 
428 #define IS_CHAN_HALF_RATE(_c) (!!((_c)->channelFlags & CHANNEL_HALF))
429 #define IS_CHAN_QUARTER_RATE(_c) (!!((_c)->channelFlags & CHANNEL_QUARTER))
430 #define IS_CHAN_A_FAST_CLOCK(_ah, _c)			\
431 	(IS_CHAN_5GHZ(_c) && ((_ah)->caps.hw_caps & ATH9K_HW_CAP_FASTCLOCK))
432 
433 #define IS_CHAN_HT(_c) ((_c)->channelFlags & CHANNEL_HT)
434 
435 #define IS_CHAN_HT20(_c) (IS_CHAN_HT(_c) && !IS_CHAN_HT40(_c))
436 
437 #define IS_CHAN_HT40(_c) \
438 	(!!((_c)->channelFlags & (CHANNEL_HT40PLUS | CHANNEL_HT40MINUS)))
439 
440 #define IS_CHAN_HT40PLUS(_c) ((_c)->channelFlags & CHANNEL_HT40PLUS)
441 #define IS_CHAN_HT40MINUS(_c) ((_c)->channelFlags & CHANNEL_HT40MINUS)
442 
443 enum ath9k_power_mode {
444 	ATH9K_PM_AWAKE = 0,
445 	ATH9K_PM_FULL_SLEEP,
446 	ATH9K_PM_NETWORK_SLEEP,
447 	ATH9K_PM_UNDEFINED
448 };
449 
450 enum ser_reg_mode {
451 	SER_REG_MODE_OFF = 0,
452 	SER_REG_MODE_ON = 1,
453 	SER_REG_MODE_AUTO = 2,
454 };
455 
456 enum ath9k_rx_qtype {
457 	ATH9K_RX_QUEUE_HP,
458 	ATH9K_RX_QUEUE_LP,
459 	ATH9K_RX_QUEUE_MAX,
460 };
461 
462 struct ath9k_beacon_state {
463 	u32 bs_nexttbtt;
464 	u32 bs_nextdtim;
465 	u32 bs_intval;
466 #define ATH9K_TSFOOR_THRESHOLD    0x00004240 /* 16k us */
467 	u32 bs_dtimperiod;
468 	u16 bs_bmissthreshold;
469 	u32 bs_sleepduration;
470 	u32 bs_tsfoor_threshold;
471 };
472 
473 struct chan_centers {
474 	u16 synth_center;
475 	u16 ctl_center;
476 	u16 ext_center;
477 };
478 
479 enum {
480 	ATH9K_RESET_POWER_ON,
481 	ATH9K_RESET_WARM,
482 	ATH9K_RESET_COLD,
483 };
484 
485 struct ath9k_hw_version {
486 	u32 magic;
487 	u16 devid;
488 	u16 subvendorid;
489 	u32 macVersion;
490 	u16 macRev;
491 	u16 phyRev;
492 	u16 analog5GhzRev;
493 	u16 analog2GhzRev;
494 	enum ath_usb_dev usbdev;
495 };
496 
497 /* Generic TSF timer definitions */
498 
499 #define ATH_MAX_GEN_TIMER	16
500 
501 #define AR_GENTMR_BIT(_index)	(1 << (_index))
502 
503 struct ath_gen_timer_configuration {
504 	u32 next_addr;
505 	u32 period_addr;
506 	u32 mode_addr;
507 	u32 mode_mask;
508 };
509 
510 struct ath_gen_timer {
511 	void (*trigger)(void *arg);
512 	void (*overflow)(void *arg);
513 	void *arg;
514 	u8 index;
515 };
516 
517 struct ath_gen_timer_table {
518 	struct ath_gen_timer *timers[ATH_MAX_GEN_TIMER];
519 	u16 timer_mask;
520 };
521 
522 struct ath_hw_antcomb_conf {
523 	u8 main_lna_conf;
524 	u8 alt_lna_conf;
525 	u8 fast_div_bias;
526 	u8 main_gaintb;
527 	u8 alt_gaintb;
528 	int lna1_lna2_delta;
529 	int lna1_lna2_switch_delta;
530 	u8 div_group;
531 };
532 
533 /**
534  * struct ath_hw_radar_conf - radar detection initialization parameters
535  *
536  * @pulse_inband: threshold for checking the ratio of in-band power
537  *	to total power for short radar pulses (half dB steps)
538  * @pulse_inband_step: threshold for checking an in-band power to total
539  *	power ratio increase for short radar pulses (half dB steps)
540  * @pulse_height: threshold for detecting the beginning of a short
541  *	radar pulse (dB step)
542  * @pulse_rssi: threshold for detecting if a short radar pulse is
543  *	gone (dB step)
544  * @pulse_maxlen: maximum pulse length (0.8 us steps)
545  *
546  * @radar_rssi: RSSI threshold for starting long radar detection (dB steps)
547  * @radar_inband: threshold for checking the ratio of in-band power
548  *	to total power for long radar pulses (half dB steps)
549  * @fir_power: threshold for detecting the end of a long radar pulse (dB)
550  *
551  * @ext_channel: enable extension channel radar detection
552  */
553 struct ath_hw_radar_conf {
554 	unsigned int pulse_inband;
555 	unsigned int pulse_inband_step;
556 	unsigned int pulse_height;
557 	unsigned int pulse_rssi;
558 	unsigned int pulse_maxlen;
559 
560 	unsigned int radar_rssi;
561 	unsigned int radar_inband;
562 	int fir_power;
563 
564 	bool ext_channel;
565 };
566 
567 /**
568  * struct ath_hw_private_ops - callbacks used internally by hardware code
569  *
570  * This structure contains private callbacks designed to only be used internally
571  * by the hardware core.
572  *
573  * @init_cal_settings: setup types of calibrations supported
574  * @init_cal: starts actual calibration
575  *
576  * @init_mode_gain_regs: Initialize TX/RX gain registers
577  *
578  * @rf_set_freq: change frequency
579  * @spur_mitigate_freq: spur mitigation
580  * @set_rf_regs:
581  * @compute_pll_control: compute the PLL control value to use for
582  *	AR_RTC_PLL_CONTROL for a given channel
583  * @setup_calibration: set up calibration
584  * @iscal_supported: used to query if a type of calibration is supported
585  *
586  * @ani_cache_ini_regs: cache the values for ANI from the initial
587  *	register settings through the register initialization.
588  */
589 struct ath_hw_private_ops {
590 	void (*init_hang_checks)(struct ath_hw *ah);
591 	bool (*detect_mac_hang)(struct ath_hw *ah);
592 	bool (*detect_bb_hang)(struct ath_hw *ah);
593 
594 	/* Calibration ops */
595 	void (*init_cal_settings)(struct ath_hw *ah);
596 	bool (*init_cal)(struct ath_hw *ah, struct ath9k_channel *chan);
597 
598 	void (*init_mode_gain_regs)(struct ath_hw *ah);
599 	void (*setup_calibration)(struct ath_hw *ah,
600 				  struct ath9k_cal_list *currCal);
601 
602 	/* PHY ops */
603 	int (*rf_set_freq)(struct ath_hw *ah,
604 			   struct ath9k_channel *chan);
605 	void (*spur_mitigate_freq)(struct ath_hw *ah,
606 				   struct ath9k_channel *chan);
607 	bool (*set_rf_regs)(struct ath_hw *ah,
608 			    struct ath9k_channel *chan,
609 			    u16 modesIndex);
610 	void (*set_channel_regs)(struct ath_hw *ah, struct ath9k_channel *chan);
611 	void (*init_bb)(struct ath_hw *ah,
612 			struct ath9k_channel *chan);
613 	int (*process_ini)(struct ath_hw *ah, struct ath9k_channel *chan);
614 	void (*olc_init)(struct ath_hw *ah);
615 	void (*set_rfmode)(struct ath_hw *ah, struct ath9k_channel *chan);
616 	void (*mark_phy_inactive)(struct ath_hw *ah);
617 	void (*set_delta_slope)(struct ath_hw *ah, struct ath9k_channel *chan);
618 	bool (*rfbus_req)(struct ath_hw *ah);
619 	void (*rfbus_done)(struct ath_hw *ah);
620 	void (*restore_chainmask)(struct ath_hw *ah);
621 	u32 (*compute_pll_control)(struct ath_hw *ah,
622 				   struct ath9k_channel *chan);
623 	bool (*ani_control)(struct ath_hw *ah, enum ath9k_ani_cmd cmd,
624 			    int param);
625 	void (*do_getnf)(struct ath_hw *ah, int16_t nfarray[NUM_NF_READINGS]);
626 	void (*set_radar_params)(struct ath_hw *ah,
627 				 struct ath_hw_radar_conf *conf);
628 	int (*fast_chan_change)(struct ath_hw *ah, struct ath9k_channel *chan,
629 				u8 *ini_reloaded);
630 
631 	/* ANI */
632 	void (*ani_cache_ini_regs)(struct ath_hw *ah);
633 };
634 
635 /**
636  * struct ath_spec_scan - parameters for Atheros spectral scan
637  *
638  * @enabled: enable/disable spectral scan
639  * @short_repeat: controls whether the chip is in spectral scan mode
640  *		  for 4 usec (enabled) or 204 usec (disabled)
641  * @count: number of scan results requested. There are special meanings
642  *	   in some chip revisions:
643  *	   AR92xx: highest bit set (>=128) for endless mode
644  *		   (spectral scan won't stopped until explicitly disabled)
645  *	   AR9300 and newer: 0 for endless mode
646  * @endless: true if endless mode is intended. Otherwise, count value is
647  *           corrected to the next possible value.
648  * @period: time duration between successive spectral scan entry points
649  *	    (period*256*Tclk). Tclk = ath_common->clockrate
650  * @fft_period: PHY passes FFT frames to MAC every (fft_period+1)*4uS
651  *
652  * Note: Tclk = 40MHz or 44MHz depending upon operating mode.
653  *	 Typically it's 44MHz in 2/5GHz on later chips, but there's
654  *	 a "fast clock" check for this in 5GHz.
655  *
656  */
657 struct ath_spec_scan {
658 	bool enabled;
659 	bool short_repeat;
660 	bool endless;
661 	u8 count;
662 	u8 period;
663 	u8 fft_period;
664 };
665 
666 /**
667  * struct ath_hw_ops - callbacks used by hardware code and driver code
668  *
669  * This structure contains callbacks designed to to be used internally by
670  * hardware code and also by the lower level driver.
671  *
672  * @config_pci_powersave:
673  * @calibrate: periodic calibration for NF, ANI, IQ, ADC gain, ADC-DC
674  *
675  * @spectral_scan_config: set parameters for spectral scan and enable/disable it
676  * @spectral_scan_trigger: trigger a spectral scan run
677  * @spectral_scan_wait: wait for a spectral scan run to finish
678  */
679 struct ath_hw_ops {
680 	void (*config_pci_powersave)(struct ath_hw *ah,
681 				     bool power_off);
682 	void (*rx_enable)(struct ath_hw *ah);
683 	void (*set_desc_link)(void *ds, u32 link);
684 	bool (*calibrate)(struct ath_hw *ah,
685 			  struct ath9k_channel *chan,
686 			  u8 rxchainmask,
687 			  bool longcal);
688 	bool (*get_isr)(struct ath_hw *ah, enum ath9k_int *masked,
689 			u32 *sync_cause_p);
690 	void (*set_txdesc)(struct ath_hw *ah, void *ds,
691 			   struct ath_tx_info *i);
692 	int (*proc_txdesc)(struct ath_hw *ah, void *ds,
693 			   struct ath_tx_status *ts);
694 	int (*get_duration)(struct ath_hw *ah, const void *ds, int index);
695 	void (*antdiv_comb_conf_get)(struct ath_hw *ah,
696 			struct ath_hw_antcomb_conf *antconf);
697 	void (*antdiv_comb_conf_set)(struct ath_hw *ah,
698 			struct ath_hw_antcomb_conf *antconf);
699 	void (*spectral_scan_config)(struct ath_hw *ah,
700 				     struct ath_spec_scan *param);
701 	void (*spectral_scan_trigger)(struct ath_hw *ah);
702 	void (*spectral_scan_wait)(struct ath_hw *ah);
703 
704 	void (*tx99_start)(struct ath_hw *ah, u32 qnum);
705 	void (*tx99_stop)(struct ath_hw *ah);
706 	void (*tx99_set_txpower)(struct ath_hw *ah, u8 power);
707 
708 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
709 	void (*set_bt_ant_diversity)(struct ath_hw *hw, bool enable);
710 #endif
711 };
712 
713 struct ath_nf_limits {
714 	s16 max;
715 	s16 min;
716 	s16 nominal;
717 };
718 
719 enum ath_cal_list {
720 	TX_IQ_CAL         =	BIT(0),
721 	TX_IQ_ON_AGC_CAL  =	BIT(1),
722 	TX_CL_CAL         =	BIT(2),
723 };
724 
725 /* ah_flags */
726 #define AH_USE_EEPROM   0x1
727 #define AH_UNPLUGGED    0x2 /* The card has been physically removed. */
728 #define AH_FASTCC       0x4
729 
730 struct ath_hw {
731 	struct ath_ops reg_ops;
732 
733 	struct device *dev;
734 	struct ieee80211_hw *hw;
735 	struct ath_common common;
736 	struct ath9k_hw_version hw_version;
737 	struct ath9k_ops_config config;
738 	struct ath9k_hw_capabilities caps;
739 	struct ath9k_channel channels[ATH9K_NUM_CHANNELS];
740 	struct ath9k_channel *curchan;
741 
742 	union {
743 		struct ar5416_eeprom_def def;
744 		struct ar5416_eeprom_4k map4k;
745 		struct ar9287_eeprom map9287;
746 		struct ar9300_eeprom ar9300_eep;
747 	} eeprom;
748 	const struct eeprom_ops *eep_ops;
749 
750 	bool sw_mgmt_crypto;
751 	bool is_pciexpress;
752 	bool aspm_enabled;
753 	bool is_monitoring;
754 	bool need_an_top2_fixup;
755 	u16 tx_trig_level;
756 
757 	u32 nf_regs[6];
758 	struct ath_nf_limits nf_2g;
759 	struct ath_nf_limits nf_5g;
760 	u16 rfsilent;
761 	u32 rfkill_gpio;
762 	u32 rfkill_polarity;
763 	u32 ah_flags;
764 
765 	bool reset_power_on;
766 	bool htc_reset_init;
767 
768 	enum nl80211_iftype opmode;
769 	enum ath9k_power_mode power_mode;
770 
771 	s8 noise;
772 	struct ath9k_hw_cal_data *caldata;
773 	struct ath9k_pacal_info pacal_info;
774 	struct ar5416Stats stats;
775 	struct ath9k_tx_queue_info txq[ATH9K_NUM_TX_QUEUES];
776 
777 	enum ath9k_int imask;
778 	u32 imrs2_reg;
779 	u32 txok_interrupt_mask;
780 	u32 txerr_interrupt_mask;
781 	u32 txdesc_interrupt_mask;
782 	u32 txeol_interrupt_mask;
783 	u32 txurn_interrupt_mask;
784 	atomic_t intr_ref_cnt;
785 	bool chip_fullsleep;
786 	u32 modes_index;
787 
788 	/* Calibration */
789 	u32 supp_cals;
790 	struct ath9k_cal_list iq_caldata;
791 	struct ath9k_cal_list adcgain_caldata;
792 	struct ath9k_cal_list adcdc_caldata;
793 	struct ath9k_cal_list *cal_list;
794 	struct ath9k_cal_list *cal_list_last;
795 	struct ath9k_cal_list *cal_list_curr;
796 #define totalPowerMeasI meas0.unsign
797 #define totalPowerMeasQ meas1.unsign
798 #define totalIqCorrMeas meas2.sign
799 #define totalAdcIOddPhase  meas0.unsign
800 #define totalAdcIEvenPhase meas1.unsign
801 #define totalAdcQOddPhase  meas2.unsign
802 #define totalAdcQEvenPhase meas3.unsign
803 #define totalAdcDcOffsetIOddPhase  meas0.sign
804 #define totalAdcDcOffsetIEvenPhase meas1.sign
805 #define totalAdcDcOffsetQOddPhase  meas2.sign
806 #define totalAdcDcOffsetQEvenPhase meas3.sign
807 	union {
808 		u32 unsign[AR5416_MAX_CHAINS];
809 		int32_t sign[AR5416_MAX_CHAINS];
810 	} meas0;
811 	union {
812 		u32 unsign[AR5416_MAX_CHAINS];
813 		int32_t sign[AR5416_MAX_CHAINS];
814 	} meas1;
815 	union {
816 		u32 unsign[AR5416_MAX_CHAINS];
817 		int32_t sign[AR5416_MAX_CHAINS];
818 	} meas2;
819 	union {
820 		u32 unsign[AR5416_MAX_CHAINS];
821 		int32_t sign[AR5416_MAX_CHAINS];
822 	} meas3;
823 	u16 cal_samples;
824 	u8 enabled_cals;
825 
826 	u32 sta_id1_defaults;
827 	u32 misc_mode;
828 
829 	/* Private to hardware code */
830 	struct ath_hw_private_ops private_ops;
831 	/* Accessed by the lower level driver */
832 	struct ath_hw_ops ops;
833 
834 	/* Used to program the radio on non single-chip devices */
835 	u32 *analogBank6Data;
836 
837 	int coverage_class;
838 	u32 slottime;
839 	u32 globaltxtimeout;
840 
841 	/* ANI */
842 	u32 aniperiod;
843 	enum ath9k_ani_cmd ani_function;
844 	u32 ani_skip_count;
845 	struct ar5416AniState ani;
846 
847 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
848 	struct ath_btcoex_hw btcoex_hw;
849 #endif
850 
851 	u32 intr_txqs;
852 	u8 txchainmask;
853 	u8 rxchainmask;
854 
855 	struct ath_hw_radar_conf radar_conf;
856 
857 	u32 originalGain[22];
858 	int initPDADC;
859 	int PDADCdelta;
860 	int led_pin;
861 	u32 gpio_mask;
862 	u32 gpio_val;
863 
864 	struct ar5416IniArray ini_dfs;
865 	struct ar5416IniArray iniModes;
866 	struct ar5416IniArray iniCommon;
867 	struct ar5416IniArray iniBB_RfGain;
868 	struct ar5416IniArray iniBank6;
869 	struct ar5416IniArray iniAddac;
870 	struct ar5416IniArray iniPcieSerdes;
871 	struct ar5416IniArray iniPcieSerdesLowPower;
872 	struct ar5416IniArray iniModesFastClock;
873 	struct ar5416IniArray iniAdditional;
874 	struct ar5416IniArray iniModesRxGain;
875 	struct ar5416IniArray ini_modes_rx_gain_bounds;
876 	struct ar5416IniArray iniModesTxGain;
877 	struct ar5416IniArray iniCckfirNormal;
878 	struct ar5416IniArray iniCckfirJapan2484;
879 	struct ar5416IniArray iniModes_9271_ANI_reg;
880 	struct ar5416IniArray ini_radio_post_sys2ant;
881 	struct ar5416IniArray ini_modes_rxgain_5g_xlna;
882 	struct ar5416IniArray ini_modes_rxgain_bb_core;
883 	struct ar5416IniArray ini_modes_rxgain_bb_postamble;
884 
885 	struct ar5416IniArray iniMac[ATH_INI_NUM_SPLIT];
886 	struct ar5416IniArray iniBB[ATH_INI_NUM_SPLIT];
887 	struct ar5416IniArray iniRadio[ATH_INI_NUM_SPLIT];
888 	struct ar5416IniArray iniSOC[ATH_INI_NUM_SPLIT];
889 
890 	u32 intr_gen_timer_trigger;
891 	u32 intr_gen_timer_thresh;
892 	struct ath_gen_timer_table hw_gen_timers;
893 
894 	struct ar9003_txs *ts_ring;
895 	u32 ts_paddr_start;
896 	u32 ts_paddr_end;
897 	u16 ts_tail;
898 	u16 ts_size;
899 
900 	u32 bb_watchdog_last_status;
901 	u32 bb_watchdog_timeout_ms; /* in ms, 0 to disable */
902 	u8 bb_hang_rx_ofdm; /* true if bb hang due to rx_ofdm */
903 
904 	unsigned int paprd_target_power;
905 	unsigned int paprd_training_power;
906 	unsigned int paprd_ratemask;
907 	unsigned int paprd_ratemask_ht40;
908 	bool paprd_table_write_done;
909 	u32 paprd_gain_table_entries[PAPRD_GAIN_TABLE_ENTRIES];
910 	u8 paprd_gain_table_index[PAPRD_GAIN_TABLE_ENTRIES];
911 	/*
912 	 * Store the permanent value of Reg 0x4004in WARegVal
913 	 * so we dont have to R/M/W. We should not be reading
914 	 * this register when in sleep states.
915 	 */
916 	u32 WARegVal;
917 
918 	/* Enterprise mode cap */
919 	u32 ent_mode;
920 
921 #ifdef CONFIG_ATH9K_WOW
922 	u32 wow_event_mask;
923 #endif
924 	bool is_clk_25mhz;
925 	int (*get_mac_revision)(void);
926 	int (*external_reset)(void);
927 
928 	const struct firmware *eeprom_blob;
929 
930 	struct ath_dynack dynack;
931 };
932 
933 struct ath_bus_ops {
934 	enum ath_bus_type ath_bus_type;
935 	void (*read_cachesize)(struct ath_common *common, int *csz);
936 	bool (*eeprom_read)(struct ath_common *common, u32 off, u16 *data);
937 	void (*bt_coex_prep)(struct ath_common *common);
938 	void (*aspm_init)(struct ath_common *common);
939 };
940 
ath9k_hw_common(struct ath_hw * ah)941 static inline struct ath_common *ath9k_hw_common(struct ath_hw *ah)
942 {
943 	return &ah->common;
944 }
945 
ath9k_hw_regulatory(struct ath_hw * ah)946 static inline struct ath_regulatory *ath9k_hw_regulatory(struct ath_hw *ah)
947 {
948 	return &(ath9k_hw_common(ah)->regulatory);
949 }
950 
ath9k_hw_private_ops(struct ath_hw * ah)951 static inline struct ath_hw_private_ops *ath9k_hw_private_ops(struct ath_hw *ah)
952 {
953 	return &ah->private_ops;
954 }
955 
ath9k_hw_ops(struct ath_hw * ah)956 static inline struct ath_hw_ops *ath9k_hw_ops(struct ath_hw *ah)
957 {
958 	return &ah->ops;
959 }
960 
get_streams(int mask)961 static inline u8 get_streams(int mask)
962 {
963 	return !!(mask & BIT(0)) + !!(mask & BIT(1)) + !!(mask & BIT(2));
964 }
965 
966 /* Initialization, Detach, Reset */
967 void ath9k_hw_deinit(struct ath_hw *ah);
968 int ath9k_hw_init(struct ath_hw *ah);
969 int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
970 		   struct ath9k_hw_cal_data *caldata, bool fastcc);
971 int ath9k_hw_fill_cap_info(struct ath_hw *ah);
972 u32 ath9k_regd_get_ctl(struct ath_regulatory *reg, struct ath9k_channel *chan);
973 
974 /* GPIO / RFKILL / Antennae */
975 void ath9k_hw_cfg_gpio_input(struct ath_hw *ah, u32 gpio);
976 u32 ath9k_hw_gpio_get(struct ath_hw *ah, u32 gpio);
977 void ath9k_hw_cfg_output(struct ath_hw *ah, u32 gpio,
978 			 u32 ah_signal_type);
979 void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val);
980 void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna);
981 
982 /* General Operation */
983 void ath9k_hw_synth_delay(struct ath_hw *ah, struct ath9k_channel *chan,
984 			  int hw_delay);
985 bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout);
986 void ath9k_hw_write_array(struct ath_hw *ah, const struct ar5416IniArray *array,
987 			  int column, unsigned int *writecnt);
988 u32 ath9k_hw_reverse_bits(u32 val, u32 n);
989 u16 ath9k_hw_computetxtime(struct ath_hw *ah,
990 			   u8 phy, int kbps,
991 			   u32 frameLen, u16 rateix, bool shortPreamble);
992 void ath9k_hw_get_channel_centers(struct ath_hw *ah,
993 				  struct ath9k_channel *chan,
994 				  struct chan_centers *centers);
995 u32 ath9k_hw_getrxfilter(struct ath_hw *ah);
996 void ath9k_hw_setrxfilter(struct ath_hw *ah, u32 bits);
997 bool ath9k_hw_phy_disable(struct ath_hw *ah);
998 bool ath9k_hw_disable(struct ath_hw *ah);
999 void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit, bool test);
1000 void ath9k_hw_setopmode(struct ath_hw *ah);
1001 void ath9k_hw_setmcastfilter(struct ath_hw *ah, u32 filter0, u32 filter1);
1002 void ath9k_hw_write_associd(struct ath_hw *ah);
1003 u32 ath9k_hw_gettsf32(struct ath_hw *ah);
1004 u64 ath9k_hw_gettsf64(struct ath_hw *ah);
1005 void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64);
1006 void ath9k_hw_reset_tsf(struct ath_hw *ah);
1007 u32 ath9k_hw_get_tsf_offset(struct timespec *last, struct timespec *cur);
1008 void ath9k_hw_set_tsfadjust(struct ath_hw *ah, bool set);
1009 void ath9k_hw_init_global_settings(struct ath_hw *ah);
1010 u32 ar9003_get_pll_sqsum_dvc(struct ath_hw *ah);
1011 void ath9k_hw_set11nmac2040(struct ath_hw *ah, struct ath9k_channel *chan);
1012 void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period);
1013 void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
1014 				    const struct ath9k_beacon_state *bs);
1015 void ath9k_hw_check_nav(struct ath_hw *ah);
1016 bool ath9k_hw_check_alive(struct ath_hw *ah);
1017 
1018 bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode);
1019 
1020 /* Generic hw timer primitives */
1021 struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah,
1022 					  void (*trigger)(void *),
1023 					  void (*overflow)(void *),
1024 					  void *arg,
1025 					  u8 timer_index);
1026 void ath9k_hw_gen_timer_start(struct ath_hw *ah,
1027 			      struct ath_gen_timer *timer,
1028 			      u32 timer_next,
1029 			      u32 timer_period);
1030 void ath9k_hw_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer);
1031 
1032 void ath_gen_timer_free(struct ath_hw *ah, struct ath_gen_timer *timer);
1033 void ath_gen_timer_isr(struct ath_hw *hw);
1034 
1035 void ath9k_hw_name(struct ath_hw *ah, char *hw_name, size_t len);
1036 
1037 /* PHY */
1038 void ath9k_hw_get_delta_slope_vals(struct ath_hw *ah, u32 coef_scaled,
1039 				   u32 *coef_mantissa, u32 *coef_exponent);
1040 void ath9k_hw_apply_txpower(struct ath_hw *ah, struct ath9k_channel *chan,
1041 			    bool test);
1042 
1043 /*
1044  * Code Specific to AR5008, AR9001 or AR9002,
1045  * we stuff these here to avoid callbacks for AR9003.
1046  */
1047 int ar9002_hw_rf_claim(struct ath_hw *ah);
1048 void ar9002_hw_enable_async_fifo(struct ath_hw *ah);
1049 
1050 /*
1051  * Code specific to AR9003, we stuff these here to avoid callbacks
1052  * for older families
1053  */
1054 bool ar9003_hw_bb_watchdog_check(struct ath_hw *ah);
1055 void ar9003_hw_bb_watchdog_config(struct ath_hw *ah);
1056 void ar9003_hw_bb_watchdog_read(struct ath_hw *ah);
1057 void ar9003_hw_bb_watchdog_dbg_info(struct ath_hw *ah);
1058 void ar9003_hw_disable_phy_restart(struct ath_hw *ah);
1059 void ar9003_paprd_enable(struct ath_hw *ah, bool val);
1060 void ar9003_paprd_populate_single_table(struct ath_hw *ah,
1061 					struct ath9k_hw_cal_data *caldata,
1062 					int chain);
1063 int ar9003_paprd_create_curve(struct ath_hw *ah,
1064 			      struct ath9k_hw_cal_data *caldata, int chain);
1065 void ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain);
1066 int ar9003_paprd_init_table(struct ath_hw *ah);
1067 bool ar9003_paprd_is_done(struct ath_hw *ah);
1068 bool ar9003_is_paprd_enabled(struct ath_hw *ah);
1069 void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx);
1070 
1071 /* Hardware family op attach helpers */
1072 int ar5008_hw_attach_phy_ops(struct ath_hw *ah);
1073 void ar9002_hw_attach_phy_ops(struct ath_hw *ah);
1074 void ar9003_hw_attach_phy_ops(struct ath_hw *ah);
1075 
1076 void ar9002_hw_attach_calib_ops(struct ath_hw *ah);
1077 void ar9003_hw_attach_calib_ops(struct ath_hw *ah);
1078 
1079 int ar9002_hw_attach_ops(struct ath_hw *ah);
1080 void ar9003_hw_attach_ops(struct ath_hw *ah);
1081 
1082 void ar9002_hw_load_ani_reg(struct ath_hw *ah, struct ath9k_channel *chan);
1083 
1084 void ath9k_ani_reset(struct ath_hw *ah, bool is_scanning);
1085 void ath9k_hw_ani_monitor(struct ath_hw *ah, struct ath9k_channel *chan);
1086 
1087 void ath9k_hw_set_ack_timeout(struct ath_hw *ah, u32 us);
1088 void ath9k_hw_set_cts_timeout(struct ath_hw *ah, u32 us);
1089 void ath9k_hw_setslottime(struct ath_hw *ah, u32 us);
1090 
1091 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
ath9k_hw_btcoex_is_enabled(struct ath_hw * ah)1092 static inline bool ath9k_hw_btcoex_is_enabled(struct ath_hw *ah)
1093 {
1094 	return ah->btcoex_hw.enabled;
1095 }
ath9k_hw_mci_is_enabled(struct ath_hw * ah)1096 static inline bool ath9k_hw_mci_is_enabled(struct ath_hw *ah)
1097 {
1098 	return ah->common.btcoex_enabled &&
1099 	       (ah->caps.hw_caps & ATH9K_HW_CAP_MCI);
1100 
1101 }
1102 void ath9k_hw_btcoex_enable(struct ath_hw *ah);
1103 static inline enum ath_btcoex_scheme
ath9k_hw_get_btcoex_scheme(struct ath_hw * ah)1104 ath9k_hw_get_btcoex_scheme(struct ath_hw *ah)
1105 {
1106 	return ah->btcoex_hw.scheme;
1107 }
1108 #else
ath9k_hw_btcoex_is_enabled(struct ath_hw * ah)1109 static inline bool ath9k_hw_btcoex_is_enabled(struct ath_hw *ah)
1110 {
1111 	return false;
1112 }
ath9k_hw_mci_is_enabled(struct ath_hw * ah)1113 static inline bool ath9k_hw_mci_is_enabled(struct ath_hw *ah)
1114 {
1115 	return false;
1116 }
ath9k_hw_btcoex_enable(struct ath_hw * ah)1117 static inline void ath9k_hw_btcoex_enable(struct ath_hw *ah)
1118 {
1119 }
1120 static inline enum ath_btcoex_scheme
ath9k_hw_get_btcoex_scheme(struct ath_hw * ah)1121 ath9k_hw_get_btcoex_scheme(struct ath_hw *ah)
1122 {
1123 	return ATH_BTCOEX_CFG_NONE;
1124 }
1125 #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
1126 
1127 
1128 #ifdef CONFIG_ATH9K_WOW
1129 const char *ath9k_hw_wow_event_to_string(u32 wow_event);
1130 void ath9k_hw_wow_apply_pattern(struct ath_hw *ah, u8 *user_pattern,
1131 				u8 *user_mask, int pattern_count,
1132 				int pattern_len);
1133 u32 ath9k_hw_wow_wakeup(struct ath_hw *ah);
1134 void ath9k_hw_wow_enable(struct ath_hw *ah, u32 pattern_enable);
1135 #else
ath9k_hw_wow_event_to_string(u32 wow_event)1136 static inline const char *ath9k_hw_wow_event_to_string(u32 wow_event)
1137 {
1138 	return NULL;
1139 }
ath9k_hw_wow_apply_pattern(struct ath_hw * ah,u8 * user_pattern,u8 * user_mask,int pattern_count,int pattern_len)1140 static inline void ath9k_hw_wow_apply_pattern(struct ath_hw *ah,
1141 					      u8 *user_pattern,
1142 					      u8 *user_mask,
1143 					      int pattern_count,
1144 					      int pattern_len)
1145 {
1146 }
ath9k_hw_wow_wakeup(struct ath_hw * ah)1147 static inline u32 ath9k_hw_wow_wakeup(struct ath_hw *ah)
1148 {
1149 	return 0;
1150 }
ath9k_hw_wow_enable(struct ath_hw * ah,u32 pattern_enable)1151 static inline void ath9k_hw_wow_enable(struct ath_hw *ah, u32 pattern_enable)
1152 {
1153 }
1154 #endif
1155 
1156 #define ATH9K_CLOCK_RATE_CCK		22
1157 #define ATH9K_CLOCK_RATE_5GHZ_OFDM	40
1158 #define ATH9K_CLOCK_RATE_2GHZ_OFDM	44
1159 #define ATH9K_CLOCK_FAST_RATE_5GHZ_OFDM 44
1160 
1161 #endif
1162