2 * Copyright (c) 2008-2011 Atheros Communications Inc.
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.
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.
17 #include <linux/moduleparam.h>
19 #include "ar5008_initvals.h"
20 #include "ar9001_initvals.h"
21 #include "ar9002_initvals.h"
22 #include "ar9002_phy.h"
24 /* General hardware code for the A5008/AR9001/AR9002 hadware families */
26 static int ar9002_hw_init_mode_regs(struct ath_hw
*ah
)
28 if (AR_SREV_9271(ah
)) {
29 INIT_INI_ARRAY(&ah
->iniModes
, ar9271Modes_9271
);
30 INIT_INI_ARRAY(&ah
->iniCommon
, ar9271Common_9271
);
31 INIT_INI_ARRAY(&ah
->iniModes_9271_ANI_reg
, ar9271Modes_9271_ANI_reg
);
35 INIT_INI_ARRAY(&ah
->iniPcieSerdes
,
36 ar9280PciePhy_clkreq_always_on_L1_9280
);
38 if (AR_SREV_9287_11_OR_LATER(ah
)) {
39 INIT_INI_ARRAY(&ah
->iniModes
, ar9287Modes_9287_1_1
);
40 INIT_INI_ARRAY(&ah
->iniCommon
, ar9287Common_9287_1_1
);
41 } else if (AR_SREV_9285_12_OR_LATER(ah
)) {
42 INIT_INI_ARRAY(&ah
->iniModes
, ar9285Modes_9285_1_2
);
43 INIT_INI_ARRAY(&ah
->iniCommon
, ar9285Common_9285_1_2
);
44 } else if (AR_SREV_9280_20_OR_LATER(ah
)) {
45 INIT_INI_ARRAY(&ah
->iniModes
, ar9280Modes_9280_2
);
46 INIT_INI_ARRAY(&ah
->iniCommon
, ar9280Common_9280_2
);
48 INIT_INI_ARRAY(&ah
->iniModesFastClock
,
49 ar9280Modes_fast_clock_9280_2
);
50 } else if (AR_SREV_9160_10_OR_LATER(ah
)) {
51 INIT_INI_ARRAY(&ah
->iniModes
, ar5416Modes_9160
);
52 INIT_INI_ARRAY(&ah
->iniCommon
, ar5416Common_9160
);
53 if (AR_SREV_9160_11(ah
)) {
54 INIT_INI_ARRAY(&ah
->iniAddac
,
55 ar5416Addac_9160_1_1
);
57 INIT_INI_ARRAY(&ah
->iniAddac
, ar5416Addac_9160
);
59 } else if (AR_SREV_9100_OR_LATER(ah
)) {
60 INIT_INI_ARRAY(&ah
->iniModes
, ar5416Modes_9100
);
61 INIT_INI_ARRAY(&ah
->iniCommon
, ar5416Common_9100
);
62 INIT_INI_ARRAY(&ah
->iniAddac
, ar5416Addac_9100
);
64 INIT_INI_ARRAY(&ah
->iniModes
, ar5416Modes
);
65 INIT_INI_ARRAY(&ah
->iniCommon
, ar5416Common
);
66 INIT_INI_ARRAY(&ah
->iniAddac
, ar5416Addac
);
69 if (!AR_SREV_9280_20_OR_LATER(ah
)) {
70 /* Common for AR5416, AR913x, AR9160 */
71 INIT_INI_ARRAY(&ah
->iniBB_RfGain
, ar5416BB_RfGain
);
73 /* Common for AR913x, AR9160 */
74 if (!AR_SREV_5416(ah
))
75 INIT_INI_ARRAY(&ah
->iniBank6
, ar5416Bank6TPC_9100
);
77 INIT_INI_ARRAY(&ah
->iniBank6
, ar5416Bank6TPC
);
80 /* iniAddac needs to be modified for these chips */
81 if (AR_SREV_9160(ah
) || !AR_SREV_5416_22_OR_LATER(ah
)) {
82 struct ar5416IniArray
*addac
= &ah
->iniAddac
;
83 u32 size
= sizeof(u32
) * addac
->ia_rows
* addac
->ia_columns
;
86 data
= devm_kzalloc(ah
->dev
, size
, GFP_KERNEL
);
90 memcpy(data
, addac
->ia_array
, size
);
91 addac
->ia_array
= data
;
93 if (!AR_SREV_5416_22_OR_LATER(ah
)) {
94 /* override CLKDRV value */
95 INI_RA(addac
, 31,1) = 0;
98 if (AR_SREV_9287_11_OR_LATER(ah
)) {
99 INIT_INI_ARRAY(&ah
->iniCckfirNormal
,
100 ar9287Common_normal_cck_fir_coeff_9287_1_1
);
101 INIT_INI_ARRAY(&ah
->iniCckfirJapan2484
,
102 ar9287Common_japan_2484_cck_fir_coeff_9287_1_1
);
107 static void ar9280_20_hw_init_rxgain_ini(struct ath_hw
*ah
)
111 if (ah
->eep_ops
->get_eeprom(ah
, EEP_MINOR_REV
) >=
112 AR5416_EEP_MINOR_VER_17
) {
113 rxgain_type
= ah
->eep_ops
->get_eeprom(ah
, EEP_RXGAIN_TYPE
);
115 if (rxgain_type
== AR5416_EEP_RXGAIN_13DB_BACKOFF
)
116 INIT_INI_ARRAY(&ah
->iniModesRxGain
,
117 ar9280Modes_backoff_13db_rxgain_9280_2
);
118 else if (rxgain_type
== AR5416_EEP_RXGAIN_23DB_BACKOFF
)
119 INIT_INI_ARRAY(&ah
->iniModesRxGain
,
120 ar9280Modes_backoff_23db_rxgain_9280_2
);
122 INIT_INI_ARRAY(&ah
->iniModesRxGain
,
123 ar9280Modes_original_rxgain_9280_2
);
125 INIT_INI_ARRAY(&ah
->iniModesRxGain
,
126 ar9280Modes_original_rxgain_9280_2
);
130 static void ar9280_20_hw_init_txgain_ini(struct ath_hw
*ah
, u32 txgain_type
)
132 if (ah
->eep_ops
->get_eeprom(ah
, EEP_MINOR_REV
) >=
133 AR5416_EEP_MINOR_VER_19
) {
134 if (txgain_type
== AR5416_EEP_TXGAIN_HIGH_POWER
)
135 INIT_INI_ARRAY(&ah
->iniModesTxGain
,
136 ar9280Modes_high_power_tx_gain_9280_2
);
138 INIT_INI_ARRAY(&ah
->iniModesTxGain
,
139 ar9280Modes_original_tx_gain_9280_2
);
141 INIT_INI_ARRAY(&ah
->iniModesTxGain
,
142 ar9280Modes_original_tx_gain_9280_2
);
146 static void ar9271_hw_init_txgain_ini(struct ath_hw
*ah
, u32 txgain_type
)
148 if (txgain_type
== AR5416_EEP_TXGAIN_HIGH_POWER
)
149 INIT_INI_ARRAY(&ah
->iniModesTxGain
,
150 ar9271Modes_high_power_tx_gain_9271
);
152 INIT_INI_ARRAY(&ah
->iniModesTxGain
,
153 ar9271Modes_normal_power_tx_gain_9271
);
156 static void ar9002_hw_init_mode_gain_regs(struct ath_hw
*ah
)
158 u32 txgain_type
= ah
->eep_ops
->get_eeprom(ah
, EEP_TXGAIN_TYPE
);
160 if (AR_SREV_9287_11_OR_LATER(ah
))
161 INIT_INI_ARRAY(&ah
->iniModesRxGain
,
162 ar9287Modes_rx_gain_9287_1_1
);
163 else if (AR_SREV_9280_20(ah
))
164 ar9280_20_hw_init_rxgain_ini(ah
);
166 if (AR_SREV_9271(ah
)) {
167 ar9271_hw_init_txgain_ini(ah
, txgain_type
);
168 } else if (AR_SREV_9287_11_OR_LATER(ah
)) {
169 INIT_INI_ARRAY(&ah
->iniModesTxGain
,
170 ar9287Modes_tx_gain_9287_1_1
);
171 } else if (AR_SREV_9280_20(ah
)) {
172 ar9280_20_hw_init_txgain_ini(ah
, txgain_type
);
173 } else if (AR_SREV_9285_12_OR_LATER(ah
)) {
175 if (txgain_type
== AR5416_EEP_TXGAIN_HIGH_POWER
) {
176 if (AR_SREV_9285E_20(ah
)) {
177 INIT_INI_ARRAY(&ah
->iniModesTxGain
,
178 ar9285Modes_XE2_0_high_power
);
180 INIT_INI_ARRAY(&ah
->iniModesTxGain
,
181 ar9285Modes_high_power_tx_gain_9285_1_2
);
184 if (AR_SREV_9285E_20(ah
)) {
185 INIT_INI_ARRAY(&ah
->iniModesTxGain
,
186 ar9285Modes_XE2_0_normal_power
);
188 INIT_INI_ARRAY(&ah
->iniModesTxGain
,
189 ar9285Modes_original_tx_gain_9285_1_2
);
196 * Helper for ASPM support.
198 * Disable PLL when in L0s as well as receiver clock when in L1.
199 * This power saving option must be enabled through the SerDes.
201 * Programming the SerDes must go through the same 288 bit serial shift
202 * register as the other analog registers. Hence the 9 writes.
204 static void ar9002_hw_configpcipowersave(struct ath_hw
*ah
,
210 /* Nothing to do on restore for 11N */
211 if (!power_off
/* !restore */) {
212 if (AR_SREV_9280_20_OR_LATER(ah
)) {
214 * AR9280 2.0 or later chips use SerDes values from the
215 * initvals.h initialized depending on chipset during
218 for (i
= 0; i
< ah
->iniPcieSerdes
.ia_rows
; i
++) {
219 REG_WRITE(ah
, INI_RA(&ah
->iniPcieSerdes
, i
, 0),
220 INI_RA(&ah
->iniPcieSerdes
, i
, 1));
223 ENABLE_REGWRITE_BUFFER(ah
);
225 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x9248fc00);
226 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x24924924);
228 /* RX shut off when elecidle is asserted */
229 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x28000039);
230 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x53160824);
231 REG_WRITE(ah
, AR_PCIE_SERDES
, 0xe5980579);
234 * Ignore ah->ah_config.pcie_clock_req setting for
237 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x001defff);
239 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x1aaabe40);
240 REG_WRITE(ah
, AR_PCIE_SERDES
, 0xbe105554);
241 REG_WRITE(ah
, AR_PCIE_SERDES
, 0x000e3007);
243 /* Load the new settings */
244 REG_WRITE(ah
, AR_PCIE_SERDES2
, 0x00000000);
246 REGWRITE_BUFFER_FLUSH(ah
);
253 /* clear bit 19 to disable L1 */
254 REG_CLR_BIT(ah
, AR_PCIE_PM_CTRL
, AR_PCIE_PM_CTRL_ENA
);
256 val
= REG_READ(ah
, AR_WA
);
259 * Set PCIe workaround bits
260 * In AR9280 and AR9285, bit 14 in WA register (disable L1)
261 * should only be set when device enters D3 and be
262 * cleared when device comes back to D0.
264 if (ah
->config
.pcie_waen
) {
265 if (ah
->config
.pcie_waen
& AR_WA_D3_L1_DISABLE
)
266 val
|= AR_WA_D3_L1_DISABLE
;
268 if (AR_SREV_9285(ah
) || AR_SREV_9271(ah
) || AR_SREV_9287(ah
)) {
269 if (AR9285_WA_DEFAULT
& AR_WA_D3_L1_DISABLE
)
270 val
|= AR_WA_D3_L1_DISABLE
;
271 } else if (AR_SREV_9280(ah
)) {
272 if (AR9280_WA_DEFAULT
& AR_WA_D3_L1_DISABLE
)
273 val
|= AR_WA_D3_L1_DISABLE
;
277 if (AR_SREV_9280(ah
) || AR_SREV_9285(ah
) || AR_SREV_9287(ah
)) {
279 * Disable bit 6 and 7 before entering D3 to
280 * prevent system hang.
282 val
&= ~(AR_WA_BIT6
| AR_WA_BIT7
);
285 if (AR_SREV_9280(ah
))
288 if (AR_SREV_9285E_20(ah
))
291 REG_WRITE(ah
, AR_WA
, val
);
293 if (ah
->config
.pcie_waen
) {
294 val
= ah
->config
.pcie_waen
;
295 val
&= (~AR_WA_D3_L1_DISABLE
);
297 if (AR_SREV_9285(ah
) || AR_SREV_9271(ah
) || AR_SREV_9287(ah
)) {
298 val
= AR9285_WA_DEFAULT
;
299 val
&= (~AR_WA_D3_L1_DISABLE
);
300 } else if (AR_SREV_9280(ah
)) {
302 * For AR9280 chips, bit 22 of 0x4004
305 val
= AR9280_WA_DEFAULT
;
306 val
&= (~AR_WA_D3_L1_DISABLE
);
312 /* WAR for ASPM system hang */
313 if (AR_SREV_9285(ah
) || AR_SREV_9287(ah
))
314 val
|= (AR_WA_BIT6
| AR_WA_BIT7
);
316 if (AR_SREV_9285E_20(ah
))
319 REG_WRITE(ah
, AR_WA
, val
);
321 /* set bit 19 to allow forcing of pcie core into L1 state */
322 REG_SET_BIT(ah
, AR_PCIE_PM_CTRL
, AR_PCIE_PM_CTRL_ENA
);
326 static int ar9002_hw_get_radiorev(struct ath_hw
*ah
)
331 ENABLE_REGWRITE_BUFFER(ah
);
333 REG_WRITE(ah
, AR_PHY(0x36), 0x00007058);
334 for (i
= 0; i
< 8; i
++)
335 REG_WRITE(ah
, AR_PHY(0x20), 0x00010000);
337 REGWRITE_BUFFER_FLUSH(ah
);
339 val
= (REG_READ(ah
, AR_PHY(256)) >> 24) & 0xff;
340 val
= ((val
& 0xf0) >> 4) | ((val
& 0x0f) << 4);
342 return ath9k_hw_reverse_bits(val
, 8);
345 int ar9002_hw_rf_claim(struct ath_hw
*ah
)
349 REG_WRITE(ah
, AR_PHY(0), 0x00000007);
351 val
= ar9002_hw_get_radiorev(ah
);
352 switch (val
& AR_RADIO_SREV_MAJOR
) {
354 val
= AR_RAD5133_SREV_MAJOR
;
356 case AR_RAD5133_SREV_MAJOR
:
357 case AR_RAD5122_SREV_MAJOR
:
358 case AR_RAD2133_SREV_MAJOR
:
359 case AR_RAD2122_SREV_MAJOR
:
362 ath_err(ath9k_hw_common(ah
),
363 "Radio Chip Rev 0x%02X not supported\n",
364 val
& AR_RADIO_SREV_MAJOR
);
368 ah
->hw_version
.analog5GhzRev
= val
;
373 void ar9002_hw_enable_async_fifo(struct ath_hw
*ah
)
375 if (AR_SREV_9287_13_OR_LATER(ah
)) {
376 REG_SET_BIT(ah
, AR_MAC_PCU_ASYNC_FIFO_REG3
,
377 AR_MAC_PCU_ASYNC_FIFO_REG3_DATAPATH_SEL
);
378 REG_SET_BIT(ah
, AR_PHY_MODE
, AR_PHY_MODE_ASYNCFIFO
);
379 REG_CLR_BIT(ah
, AR_MAC_PCU_ASYNC_FIFO_REG3
,
380 AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET
);
381 REG_SET_BIT(ah
, AR_MAC_PCU_ASYNC_FIFO_REG3
,
382 AR_MAC_PCU_ASYNC_FIFO_REG3_SOFT_RESET
);
386 static void ar9002_hw_init_hang_checks(struct ath_hw
*ah
)
388 if (AR_SREV_9100(ah
) || AR_SREV_9160(ah
)) {
389 ah
->config
.hw_hang_checks
|= HW_BB_RIFS_HANG
;
390 ah
->config
.hw_hang_checks
|= HW_BB_DFS_HANG
;
393 if (AR_SREV_9280(ah
))
394 ah
->config
.hw_hang_checks
|= HW_BB_RX_CLEAR_STUCK_HANG
;
396 if (AR_SREV_5416(ah
) || AR_SREV_9100(ah
) || AR_SREV_9160(ah
))
397 ah
->config
.hw_hang_checks
|= HW_MAC_HANG
;
400 /* Sets up the AR5008/AR9001/AR9002 hardware familiy callbacks */
401 int ar9002_hw_attach_ops(struct ath_hw
*ah
)
403 struct ath_hw_private_ops
*priv_ops
= ath9k_hw_private_ops(ah
);
404 struct ath_hw_ops
*ops
= ath9k_hw_ops(ah
);
407 ret
= ar9002_hw_init_mode_regs(ah
);
411 priv_ops
->init_mode_gain_regs
= ar9002_hw_init_mode_gain_regs
;
412 priv_ops
->init_hang_checks
= ar9002_hw_init_hang_checks
;
414 ops
->config_pci_powersave
= ar9002_hw_configpcipowersave
;
416 ret
= ar5008_hw_attach_phy_ops(ah
);
420 if (AR_SREV_9280_20_OR_LATER(ah
))
421 ar9002_hw_attach_phy_ops(ah
);
423 ar9002_hw_attach_calib_ops(ah
);
424 ar9002_hw_attach_mac_ops(ah
);
428 void ar9002_hw_load_ani_reg(struct ath_hw
*ah
, struct ath9k_channel
*chan
)
433 if (IS_CHAN_5GHZ(chan
))
434 modesIndex
= IS_CHAN_HT40(chan
) ? 2 : 1;
436 modesIndex
= IS_CHAN_HT40(chan
) ? 3 : 4;
438 ENABLE_REGWRITE_BUFFER(ah
);
440 for (i
= 0; i
< ah
->iniModes_9271_ANI_reg
.ia_rows
; i
++) {
441 u32 reg
= INI_RA(&ah
->iniModes_9271_ANI_reg
, i
, 0);
442 u32 val
= INI_RA(&ah
->iniModes_9271_ANI_reg
, i
, modesIndex
);
445 if (reg
== AR_PHY_CCK_DETECT
) {
446 val_orig
= REG_READ(ah
, reg
);
447 val
&= AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK
;
448 val_orig
&= ~AR_PHY_CCK_DETECT_WEAK_SIG_THR_CCK
;
450 REG_WRITE(ah
, reg
, val
|val_orig
);
452 REG_WRITE(ah
, reg
, val
);
455 REGWRITE_BUFFER_FLUSH(ah
);