1 /*
2  * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
3  * Copyright (c) 2002-2008 Atheros Communications, Inc.
4  *
5  * Permission to use, copy, modify, and/or distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  *
17  * $Id: ar5416_attach.c,v 1.5 2016/10/09 14:40:47 christos Exp $
18  */
19 #include "opt_ah.h"
20 
21 #include "ah.h"
22 #include "ah_internal.h"
23 #include "ah_devid.h"
24 
25 #include "ah_eeprom_v14.h"
26 
27 #include "ar5416/ar5416.h"
28 #include "ar5416/ar5416reg.h"
29 #include "ar5416/ar5416phy.h"
30 
31 #include "ar5416/ar5416.ini"
32 
33 static void ar5416ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore);
34 static void ar5416WriteIni(struct ath_hal *ah,
35               HAL_CHANNEL_INTERNAL *chan);
36 static void ar5416SpurMitigate(struct ath_hal *ah,
37               HAL_CHANNEL_INTERNAL *chan);
38 
39 static void
ar5416AniSetup(struct ath_hal * ah)40 ar5416AniSetup(struct ath_hal *ah)
41 {
42           static const struct ar5212AniParams aniparams = {
43                     .maxNoiseImmunityLevel        = 4,      /* levels 0..4 */
44                     .totalSizeDesired   = { -55, -55, -55, -55, -62 },
45                     .coarseHigh                   = { -14, -14, -14, -14, -12 },
46                     .coarseLow                    = { -64, -64, -64, -64, -70 },
47                     .firpwr                       = { -78, -78, -78, -78, -80 },
48                     .maxSpurImmunityLevel         = 2,
49                     .cycPwrThr1                   = { 2, 4, 6 },
50                     .maxFirstepLevel    = 2,      /* levels 0..2 */
51                     .firstep            = { 0, 4, 8 },
52                     .ofdmTrigHigh                 = 500,
53                     .ofdmTrigLow                  = 200,
54                     .cckTrigHigh                  = 200,
55                     .cckTrigLow                   = 100,
56                     .rssiThrHigh                  = 40,
57                     .rssiThrLow                   = 7,
58                     .period                       = 100,
59           };
60           /* NB: ANI is not enabled yet */
61           ar5212AniAttach(ah, &aniparams, &aniparams, AH_FALSE);
62 }
63 
64 /*
65  * Attach for an AR5416 part.
66  */
67 void
ar5416InitState(struct ath_hal_5416 * ahp5416,uint16_t devid,HAL_SOFTC sc,HAL_BUS_TAG st,HAL_BUS_HANDLE sh,HAL_STATUS * status)68 ar5416InitState(struct ath_hal_5416 *ahp5416, uint16_t devid, HAL_SOFTC sc,
69           HAL_BUS_TAG st, HAL_BUS_HANDLE sh, HAL_STATUS *status)
70 {
71           struct ath_hal_5212 *ahp;
72           struct ath_hal *ah;
73 
74           ahp = &ahp5416->ah_5212;
75           ar5212InitState(ahp, devid, sc, st, sh, status);
76           ah = &ahp->ah_priv.h;
77 
78           /* override 5212 methods for our needs */
79           ah->ah_magic                            = AR5416_MAGIC;
80           ah->ah_getRateTable           = ar5416GetRateTable;
81           ah->ah_detach                           = ar5416Detach;
82 
83           /* Reset functions */
84           ah->ah_reset                            = ar5416Reset;
85           ah->ah_phyDisable             = ar5416PhyDisable;
86           ah->ah_disable                          = ar5416Disable;
87           ah->ah_configPCIE             = ar5416ConfigPCIE;
88           ah->ah_perCalibration                   = ar5416PerCalibration;
89           ah->ah_perCalibrationN                  = ar5416PerCalibrationN;
90           ah->ah_resetCalValid                    = ar5416ResetCalValid;
91           ah->ah_setTxPowerLimit                  = ar5416SetTxPowerLimit;
92           ah->ah_setTxPower             = ar5416SetTransmitPower;
93           ah->ah_setBoardValues                   = ar5416SetBoardValues;
94 
95           /* Transmit functions */
96           ah->ah_stopTxDma              = ar5416StopTxDma;
97           ah->ah_setupTxDesc            = ar5416SetupTxDesc;
98           ah->ah_setupXTxDesc           = ar5416SetupXTxDesc;
99           ah->ah_fillTxDesc             = ar5416FillTxDesc;
100           ah->ah_procTxDesc             = ar5416ProcTxDesc;
101 
102           /* Receive Functions */
103           ah->ah_startPcuReceive                  = ar5416StartPcuReceive;
104           ah->ah_stopPcuReceive                   = ar5416StopPcuReceive;
105           ah->ah_setupRxDesc            = ar5416SetupRxDesc;
106           ah->ah_procRxDesc             = ar5416ProcRxDesc;
107           ah->ah_rxMonitor              = ar5416AniPoll;
108           ah->ah_procMibEvent           = ar5416ProcessMibIntr;
109 
110           /* Misc Functions */
111           ah->ah_getDiagState           = ar5416GetDiagState;
112           ah->ah_setLedState            = ar5416SetLedState;
113           ah->ah_gpioCfgOutput                    = ar5416GpioCfgOutput;
114           ah->ah_gpioCfgInput           = ar5416GpioCfgInput;
115           ah->ah_gpioGet                          = ar5416GpioGet;
116           ah->ah_gpioSet                          = ar5416GpioSet;
117           ah->ah_gpioSetIntr            = ar5416GpioSetIntr;
118           ah->ah_resetTsf                         = ar5416ResetTsf;
119           ah->ah_getRfGain              = ar5416GetRfgain;
120           ah->ah_setAntennaSwitch                 = ar5416SetAntennaSwitch;
121           ah->ah_setDecompMask                    = ar5416SetDecompMask;
122           ah->ah_setCoverageClass                 = ar5416SetCoverageClass;
123 
124           ah->ah_resetKeyCacheEntry     = ar5416ResetKeyCacheEntry;
125           ah->ah_setKeyCacheEntry                 = ar5416SetKeyCacheEntry;
126 
127           /* Power Management Functions */
128           ah->ah_setPowerMode           = ar5416SetPowerMode;
129 
130           /* Beacon Management Functions */
131           ah->ah_setBeaconTimers                  = ar5416SetBeaconTimers;
132           ah->ah_beaconInit             = ar5416BeaconInit;
133           ah->ah_setStationBeaconTimers = ar5416SetStaBeaconTimers;
134           ah->ah_resetStationBeaconTimers         = ar5416ResetStaBeaconTimers;
135 
136           /* XXX 802.11n Functions */
137 #if 0
138           ah->ah_chainTxDesc            = ar5416ChainTxDesc;
139           ah->ah_setupFirstTxDesc                 = ar5416SetupFirstTxDesc;
140           ah->ah_setupLastTxDesc                  = ar5416SetupLastTxDesc;
141           ah->ah_set11nRateScenario     = ar5416Set11nRateScenario;
142           ah->ah_set11nAggrMiddle                 = ar5416Set11nAggrMiddle;
143           ah->ah_clr11nAggr             = ar5416Clr11nAggr;
144           ah->ah_set11nBurstDuration    = ar5416Set11nBurstDuration;
145           ah->ah_get11nExtBusy                    = ar5416Get11nExtBusy;
146           ah->ah_set11nMac2040                    = ar5416Set11nMac2040;
147           ah->ah_get11nRxClear                    = ar5416Get11nRxClear;
148           ah->ah_set11nRxClear                    = ar5416Set11nRxClear;
149 #endif
150 
151           /* Interrupt functions */
152           ah->ah_isInterruptPending     = ar5416IsInterruptPending;
153           ah->ah_getPendingInterrupts   = ar5416GetPendingInterrupts;
154           ah->ah_setInterrupts                    = ar5416SetInterrupts;
155 
156           ahp->ah_priv.ah_getWirelessModes= ar5416GetWirelessModes;
157           ahp->ah_priv.ah_eepromRead    = ar5416EepromRead;
158 #ifdef AH_SUPPORT_WRITE_EEPROM
159           ahp->ah_priv.ah_eepromWrite   = ar5416EepromWrite;
160 #endif
161           ahp->ah_priv.ah_gpioCfgOutput = ar5416GpioCfgOutput;
162           ahp->ah_priv.ah_gpioCfgInput  = ar5416GpioCfgInput;
163           ahp->ah_priv.ah_gpioGet                 = ar5416GpioGet;
164           ahp->ah_priv.ah_gpioSet                 = ar5416GpioSet;
165           ahp->ah_priv.ah_gpioSetIntr   = ar5416GpioSetIntr;
166           ahp->ah_priv.ah_getChipPowerLimits = ar5416GetChipPowerLimits;
167 
168           AH5416(ah)->ah_writeIni                 = ar5416WriteIni;
169           AH5416(ah)->ah_spurMitigate   = ar5416SpurMitigate;
170           /*
171            * Start by setting all Owl devices to 2x2
172            */
173           AH5416(ah)->ah_rx_chainmask = AR5416_DEFAULT_RXCHAINMASK;
174           AH5416(ah)->ah_tx_chainmask = AR5416_DEFAULT_TXCHAINMASK;
175 }
176 
177 uint32_t
ar5416GetRadioRev(struct ath_hal * ah)178 ar5416GetRadioRev(struct ath_hal *ah)
179 {
180           uint32_t val;
181           int i;
182 
183           /* Read Radio Chip Rev Extract */
184           OS_REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
185           for (i = 0; i < 8; i++)
186                     OS_REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
187           val = (OS_REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
188           val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
189           return ath_hal_reverseBits(val, 8);
190 }
191 
192 /*
193  * Attach for an AR5416 part.
194  */
195 struct ath_hal *
ar5416Attach(uint16_t devid,HAL_SOFTC sc,HAL_BUS_TAG st,HAL_BUS_HANDLE sh,HAL_STATUS * status)196 ar5416Attach(uint16_t devid, HAL_SOFTC sc,
197           HAL_BUS_TAG st, HAL_BUS_HANDLE sh, HAL_STATUS *status)
198 {
199           struct ath_hal_5416 *ahp5416;
200           struct ath_hal_5212 *ahp;
201           struct ath_hal *ah;
202           uint32_t val;
203           HAL_STATUS ecode;
204           HAL_BOOL rfStatus;
205 
206           HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
207               __func__, sc, (void*) st, (void*) sh);
208 
209           /* NB: memory is returned zero'd */
210           ahp5416 = ath_hal_malloc(sizeof (struct ath_hal_5416) +
211                     /* extra space for Owl 2.1/2.2 WAR */
212                     sizeof(ar5416Addac)
213           );
214           if (ahp5416 == AH_NULL) {
215                     HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
216                         "%s: cannot allocate memory for state block\n", __func__);
217                     *status = HAL_ENOMEM;
218                     return AH_NULL;
219           }
220           ar5416InitState(ahp5416, devid, sc, st, sh, status);
221           ahp = &ahp5416->ah_5212;
222           ah = &ahp->ah_priv.h;
223 
224           if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
225                     /* reset chip */
226                     HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n", __func__);
227                     ecode = HAL_EIO;
228                     goto bad;
229           }
230 
231           if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
232                     HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n", __func__);
233                     ecode = HAL_EIO;
234                     goto bad;
235           }
236           /* Read Revisions from Chips before taking out of reset */
237           val = OS_REG_READ(ah, AR_SREV) & AR_SREV_ID;
238           AH_PRIVATE(ah)->ah_macVersion = val >> AR_SREV_ID_S;
239           AH_PRIVATE(ah)->ah_macRev = val & AR_SREV_REVISION;
240           AH_PRIVATE(ah)->ah_ispcie = (devid == AR5416_DEVID_PCIE);
241 
242           /* setup common ini data; rf backends handle remainder */
243           HAL_INI_INIT(&ahp->ah_ini_modes, ar5416Modes, 6);
244           HAL_INI_INIT(&ahp->ah_ini_common, ar5416Common, 2);
245 
246           HAL_INI_INIT(&AH5416(ah)->ah_ini_bb_rfgain, ar5416BB_RfGain, 3);
247           HAL_INI_INIT(&AH5416(ah)->ah_ini_bank0, ar5416Bank0, 2);
248           HAL_INI_INIT(&AH5416(ah)->ah_ini_bank1, ar5416Bank1, 2);
249           HAL_INI_INIT(&AH5416(ah)->ah_ini_bank2, ar5416Bank2, 2);
250           HAL_INI_INIT(&AH5416(ah)->ah_ini_bank3, ar5416Bank3, 3);
251           HAL_INI_INIT(&AH5416(ah)->ah_ini_bank6, ar5416Bank6, 3);
252           HAL_INI_INIT(&AH5416(ah)->ah_ini_bank7, ar5416Bank7, 2);
253           HAL_INI_INIT(&AH5416(ah)->ah_ini_addac, ar5416Addac, 2);
254 
255           if (!IS_5416V2_2(ah)) {                 /* Owl 2.1/2.0 */
256                     struct ini {
257                               uint32_t  *data;              /* NB: !const */
258                               int                 rows, cols;
259                     };
260                     /* override CLKDRV value */
261                     OS_MEMCPY(&AH5416(ah)[1], ar5416Addac, sizeof(ar5416Addac));
262                     AH5416(ah)->ah_ini_addac.data = (uint32_t *) &AH5416(ah)[1];
263                     HAL_INI_VAL((struct ini *)&AH5416(ah)->ah_ini_addac, 31, 1) = 0;
264           }
265 
266           HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes, ar5416PciePhy, 2);
267           ar5416AttachPCIE(ah);
268 
269           ecode = ath_hal_v14EepromAttach(ah);
270           if (ecode != HAL_OK)
271                     goto bad;
272 
273           if (!ar5416ChipReset(ah, AH_NULL)) {    /* reset chip */
274                     HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n",
275                         __func__);
276                     ecode = HAL_EIO;
277                     goto bad;
278           }
279 
280           AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
281 
282           if (!ar5212ChipTest(ah)) {
283                     HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
284                         __func__);
285                     ecode = HAL_ESELFTEST;
286                     goto bad;
287           }
288 
289           /*
290            * Set correct Baseband to analog shift
291            * setting to access analog chips.
292            */
293           OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
294 
295           /* Read Radio Chip Rev Extract */
296           AH_PRIVATE(ah)->ah_analog5GhzRev = ar5212GetRadioRev(ah);
297           switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
298         case AR_RAD5122_SREV_MAJOR:     /* Fowl: 5G/2x2 */
299         case AR_RAD2122_SREV_MAJOR:     /* Fowl: 2+5G/2x2 */
300         case AR_RAD2133_SREV_MAJOR:     /* Fowl: 2G/3x3 */
301           case AR_RAD5133_SREV_MAJOR:   /* Fowl: 2+5G/3x3 */
302                     break;
303           default:
304                     if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
305                               /*
306                                * When RF_Silen is used the analog chip is reset.
307                                * So when the system boots with radio switch off
308                                * the RF chip rev reads back as zero and we need
309                                * to use the mac+phy revs to set the radio rev.
310                                */
311                               AH_PRIVATE(ah)->ah_analog5GhzRev =
312                                         AR_RAD5133_SREV_MAJOR;
313                               break;
314                     }
315                     /* NB: silently accept anything in release code per Atheros */
316 #ifdef AH_DEBUG
317                     HALDEBUG(ah, HAL_DEBUG_ANY,
318                         "%s: 5G Radio Chip Rev 0x%02X is not supported by "
319                         "this driver\n", __func__,
320                         AH_PRIVATE(ah)->ah_analog5GhzRev);
321                     ecode = HAL_ENOTSUPP;
322                     goto bad;
323 #endif
324           }
325 
326           /*
327            * Got everything we need now to setup the capabilities.
328            */
329           if (!ar5416FillCapabilityInfo(ah)) {
330                     ecode = HAL_EEREAD;
331                     goto bad;
332           }
333 
334           ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
335           if (ecode != HAL_OK) {
336                     HALDEBUG(ah, HAL_DEBUG_ANY,
337                         "%s: error getting mac address from EEPROM\n", __func__);
338                     goto bad;
339         }
340           /* XXX How about the serial number ? */
341           /* Read Reg Domain */
342           AH_PRIVATE(ah)->ah_currentRD =
343               ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
344 
345           /*
346            * ah_miscMode is populated by ar5416FillCapabilityInfo()
347            * starting from griffin. Set here to make sure that
348            * AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
349            * placed into hardware.
350            */
351           if (ahp->ah_miscMode != 0)
352                     OS_REG_WRITE(ah, AR_MISC_MODE, ahp->ah_miscMode);
353 
354           HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: Attaching AR2133 radio\n",
355               __func__);
356           rfStatus = ar2133RfAttach(ah, &ecode);
357           if (!rfStatus) {
358                     HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
359                         __func__, ecode);
360                     goto bad;
361           }
362 
363           ar5416AniSetup(ah);                     /* Anti Noise Immunity */
364           ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);
365 
366           HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
367 
368           return ah;
369 bad:
370           if (ahp)
371                     ar5416Detach((struct ath_hal *) ahp);
372           if (status)
373                     *status = ecode;
374           return AH_NULL;
375 }
376 
377 void
ar5416Detach(struct ath_hal * ah)378 ar5416Detach(struct ath_hal *ah)
379 {
380           HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s:\n", __func__);
381 
382           HALASSERT(ah != AH_NULL);
383           HALASSERT(ah->ah_magic == AR5416_MAGIC);
384 
385           ar5416AniDetach(ah);
386           ar5212RfDetach(ah);
387           ah->ah_disable(ah);
388           ar5416SetPowerMode(ah, HAL_PM_FULL_SLEEP, AH_TRUE);
389           ath_hal_eepromDetach(ah);
390           ath_hal_free(ah);
391 }
392 
393 void
ar5416AttachPCIE(struct ath_hal * ah)394 ar5416AttachPCIE(struct ath_hal *ah)
395 {
396           if (AH_PRIVATE(ah)->ah_ispcie)
397                     ath_hal_configPCIE(ah, AH_FALSE);
398           else
399                     ath_hal_disablePCIE(ah);
400 }
401 
402 static void
ar5416ConfigPCIE(struct ath_hal * ah,HAL_BOOL restore)403 ar5416ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore)
404 {
405           if (AH_PRIVATE(ah)->ah_ispcie && !restore) {
406                     ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_pcieserdes, 1, 0);
407                     OS_DELAY(1000);
408                     OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
409                     OS_REG_WRITE(ah, AR_WA, AR_WA_DEFAULT);
410           }
411 }
412 
413 static void
ar5416WriteIni(struct ath_hal * ah,HAL_CHANNEL_INTERNAL * chan)414 ar5416WriteIni(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan)
415 {
416           u_int modesIndex, freqIndex;
417           int regWrites = 0;
418 
419           /* Setup the indices for the next set of register array writes */
420           /* XXX Ignore 11n dynamic mode on the AR5416 for the moment */
421           if (IS_CHAN_2GHZ(chan)) {
422                     freqIndex = 2;
423                     if (IS_CHAN_HT40(chan))
424                               modesIndex = 3;
425                     else if (IS_CHAN_108G(chan))
426                               modesIndex = 5;
427                     else
428                               modesIndex = 4;
429           } else {
430                     freqIndex = 1;
431                     if (IS_CHAN_HT40(chan) ||
432                         IS_CHAN_TURBO(chan))
433                               modesIndex = 2;
434                     else
435                               modesIndex = 1;
436           }
437 
438           /* Set correct Baseband to analog shift setting to access analog chips. */
439           OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
440 
441           /*
442            * Write addac shifts
443            */
444           OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_EXTERNAL_RADIO);
445 #if 0
446           /* NB: only required for Sowl */
447           ar5416EepromSetAddac(ah, chan);
448 #endif
449           regWrites = ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_addac, 1,
450               regWrites);
451           OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
452 
453           regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes,
454               modesIndex, regWrites);
455           regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common,
456               1, regWrites);
457 
458           /* XXX updated regWrites? */
459           AH5212(ah)->ah_rfHal->writeRegs(ah, modesIndex, freqIndex, regWrites);
460 }
461 
462 /*
463  * Convert to baseband spur frequency given input channel frequency
464  * and compute register settings below.
465  */
466 
467 static void
ar5416SpurMitigate(struct ath_hal * ah,HAL_CHANNEL_INTERNAL * chan)468 ar5416SpurMitigate(struct ath_hal *ah, HAL_CHANNEL_INTERNAL *chan)
469 {
470     uint16_t freq = ath_hal_gethwchannel(ah, chan);
471     static const int pilot_mask_reg[4] = { AR_PHY_TIMING7, AR_PHY_TIMING8,
472                 AR_PHY_PILOT_MASK_01_30, AR_PHY_PILOT_MASK_31_60 };
473     static const int chan_mask_reg[4] = { AR_PHY_TIMING9, AR_PHY_TIMING10,
474                 AR_PHY_CHANNEL_MASK_01_30, AR_PHY_CHANNEL_MASK_31_60 };
475     static const int inc[4] = { 0, 100, 0, 0 };
476 
477     int bb_spur = AR_NO_SPUR;
478     int bin, cur_bin;
479     int spur_freq_sd;
480     int spur_delta_phase;
481     int denominator;
482     int upper, lower, cur_vit_mask;
483     int tmp, new;
484     int i;
485 
486     int8_t mask_m[123];
487     int8_t mask_p[123];
488     int8_t mask_amt;
489     int tmp_mask;
490     int cur_bb_spur;
491     HAL_BOOL is2GHz = IS_CHAN_2GHZ(chan);
492 
493     OS_MEMZERO(mask_m, sizeof(mask_m));
494     OS_MEMZERO(mask_p, sizeof(mask_p));
495 
496     /*
497      * Need to verify range +/- 9.5 for static ht20, otherwise spur
498      * is out-of-band and can be ignored.
499      */
500     /* XXX ath9k changes */
501     for (i = 0; i < AR5416_EEPROM_MODAL_SPURS; i++) {
502         cur_bb_spur = ath_hal_getSpurChan(ah, i, is2GHz);
503         if (AR_NO_SPUR == cur_bb_spur)
504             break;
505         cur_bb_spur = cur_bb_spur - (freq * 10);
506         if ((cur_bb_spur > -95) && (cur_bb_spur < 95)) {
507             bb_spur = cur_bb_spur;
508             break;
509         }
510     }
511     if (AR_NO_SPUR == bb_spur)
512         return;
513 
514     bin = bb_spur * 32;
515 
516     tmp = OS_REG_READ(ah, AR_PHY_TIMING_CTRL4_CHAIN(0));
517     new = tmp | (AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI |
518         AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER |
519         AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK |
520         AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK);
521 
522     OS_REG_WRITE(ah, AR_PHY_TIMING_CTRL4_CHAIN(0), new);
523 
524     new = (AR_PHY_SPUR_REG_MASK_RATE_CNTL |
525         AR_PHY_SPUR_REG_ENABLE_MASK_PPM |
526         AR_PHY_SPUR_REG_MASK_RATE_SELECT |
527         AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI |
528         SM(AR5416_SPUR_RSSI_THRESH, AR_PHY_SPUR_REG_SPUR_RSSI_THRESH));
529     OS_REG_WRITE(ah, AR_PHY_SPUR_REG, new);
530     /*
531      * Should offset bb_spur by +/- 10 MHz for dynamic 2040 MHz
532      * config, no offset for HT20.
533      * spur_delta_phase = bb_spur/40 * 2**21 for static ht20,
534      * /80 for dyn2040.
535      */
536     spur_delta_phase = ((bb_spur * 524288) / 100) &
537         AR_PHY_TIMING11_SPUR_DELTA_PHASE;
538     /*
539      * in 11A mode the denominator of spur_freq_sd should be 40 and
540      * it should be 44 in 11G
541      */
542     denominator = IS_CHAN_2GHZ(chan) ? 440 : 400;
543     spur_freq_sd = ((bb_spur * 2048) / denominator) & 0x3ff;
544 
545     new = (AR_PHY_TIMING11_USE_SPUR_IN_AGC |
546         SM(spur_freq_sd, AR_PHY_TIMING11_SPUR_FREQ_SD) |
547         SM(spur_delta_phase, AR_PHY_TIMING11_SPUR_DELTA_PHASE));
548     OS_REG_WRITE(ah, AR_PHY_TIMING11, new);
549 
550 
551     /*
552      * ============================================
553      * pilot mask 1 [31:0] = +6..-26, no 0 bin
554      * pilot mask 2 [19:0] = +26..+7
555      *
556      * channel mask 1 [31:0] = +6..-26, no 0 bin
557      * channel mask 2 [19:0] = +26..+7
558      */
559     //cur_bin = -26;
560     cur_bin = -6000;
561     upper = bin + 100;
562     lower = bin - 100;
563 
564     for (i = 0; i < 4; i++) {
565         int pilot_mask = 0;
566         int chan_mask  = 0;
567         int bp         = 0;
568         for (bp = 0; bp < 30; bp++) {
569             if ((cur_bin > lower) && (cur_bin < upper)) {
570                 pilot_mask = pilot_mask | 0x1 << bp;
571                 chan_mask  = chan_mask | 0x1 << bp;
572             }
573             cur_bin += 100;
574         }
575         cur_bin += inc[i];
576         OS_REG_WRITE(ah, pilot_mask_reg[i], pilot_mask);
577         OS_REG_WRITE(ah, chan_mask_reg[i], chan_mask);
578     }
579 
580     /* =================================================
581      * viterbi mask 1 based on channel magnitude
582      * four levels 0-3
583      *  - mask (-27 to 27) (reg 64,0x9900 to 67,0x990c)
584      *      [1 2 2 1] for -9.6 or [1 2 1] for +16
585      *  - enable_mask_ppm, all bins move with freq
586      *
587      *  - mask_select,    8 bits for rates (reg 67,0x990c)
588      *  - mask_rate_cntl, 8 bits for rates (reg 67,0x990c)
589      *      choose which mask to use mask or mask2
590      */
591 
592     /*
593      * viterbi mask 2  2nd set for per data rate puncturing
594      * four levels 0-3
595      *  - mask_select, 8 bits for rates (reg 67)
596      *  - mask (-27 to 27) (reg 98,0x9988 to 101,0x9994)
597      *      [1 2 2 1] for -9.6 or [1 2 1] for +16
598      */
599     cur_vit_mask = 6100;
600     upper        = bin + 120;
601     lower        = bin - 120;
602 
603     for (i = 0; i < 123; i++) {
604         if ((cur_vit_mask > lower) && (cur_vit_mask < upper)) {
605             if ((abs(cur_vit_mask - bin)) < 75) {
606                 mask_amt = 1;
607             } else {
608                 mask_amt = 0;
609             }
610             if (cur_vit_mask < 0) {
611                 mask_m[abs(cur_vit_mask / 100)] = mask_amt;
612             } else {
613                 mask_p[cur_vit_mask / 100] = mask_amt;
614             }
615         }
616         cur_vit_mask -= 100;
617     }
618 
619     tmp_mask = (mask_m[46] << 30) | (mask_m[47] << 28)
620           | (mask_m[48] << 26) | (mask_m[49] << 24)
621           | (mask_m[50] << 22) | (mask_m[51] << 20)
622           | (mask_m[52] << 18) | (mask_m[53] << 16)
623           | (mask_m[54] << 14) | (mask_m[55] << 12)
624           | (mask_m[56] << 10) | (mask_m[57] <<  8)
625           | (mask_m[58] <<  6) | (mask_m[59] <<  4)
626           | (mask_m[60] <<  2) | (mask_m[61] <<  0);
627     OS_REG_WRITE(ah, AR_PHY_BIN_MASK_1, tmp_mask);
628     OS_REG_WRITE(ah, AR_PHY_VIT_MASK2_M_46_61, tmp_mask);
629 
630     tmp_mask =             (mask_m[31] << 28)
631           | (mask_m[32] << 26) | (mask_m[33] << 24)
632           | (mask_m[34] << 22) | (mask_m[35] << 20)
633           | (mask_m[36] << 18) | (mask_m[37] << 16)
634           | (mask_m[48] << 14) | (mask_m[39] << 12)
635           | (mask_m[40] << 10) | (mask_m[41] <<  8)
636           | (mask_m[42] <<  6) | (mask_m[43] <<  4)
637           | (mask_m[44] <<  2) | (mask_m[45] <<  0);
638     OS_REG_WRITE(ah, AR_PHY_BIN_MASK_2, tmp_mask);
639     OS_REG_WRITE(ah, AR_PHY_MASK2_M_31_45, tmp_mask);
640 
641     tmp_mask = (mask_m[16] << 30) | (mask_m[16] << 28)
642           | (mask_m[18] << 26) | (mask_m[18] << 24)
643           | (mask_m[20] << 22) | (mask_m[20] << 20)
644           | (mask_m[22] << 18) | (mask_m[22] << 16)
645           | (mask_m[24] << 14) | (mask_m[24] << 12)
646           | (mask_m[25] << 10) | (mask_m[26] <<  8)
647           | (mask_m[27] <<  6) | (mask_m[28] <<  4)
648           | (mask_m[29] <<  2) | (mask_m[30] <<  0);
649     OS_REG_WRITE(ah, AR_PHY_BIN_MASK_3, tmp_mask);
650     OS_REG_WRITE(ah, AR_PHY_MASK2_M_16_30, tmp_mask);
651 
652     tmp_mask = (mask_m[ 0] << 30) | (mask_m[ 1] << 28)
653           | (mask_m[ 2] << 26) | (mask_m[ 3] << 24)
654           | (mask_m[ 4] << 22) | (mask_m[ 5] << 20)
655           | (mask_m[ 6] << 18) | (mask_m[ 7] << 16)
656           | (mask_m[ 8] << 14) | (mask_m[ 9] << 12)
657           | (mask_m[10] << 10) | (mask_m[11] <<  8)
658           | (mask_m[12] <<  6) | (mask_m[13] <<  4)
659           | (mask_m[14] <<  2) | (mask_m[15] <<  0);
660     OS_REG_WRITE(ah, AR_PHY_MASK_CTL, tmp_mask);
661     OS_REG_WRITE(ah, AR_PHY_MASK2_M_00_15, tmp_mask);
662 
663     tmp_mask =             (mask_p[15] << 28)
664           | (mask_p[14] << 26) | (mask_p[13] << 24)
665           | (mask_p[12] << 22) | (mask_p[11] << 20)
666           | (mask_p[10] << 18) | (mask_p[ 9] << 16)
667           | (mask_p[ 8] << 14) | (mask_p[ 7] << 12)
668           | (mask_p[ 6] << 10) | (mask_p[ 5] <<  8)
669           | (mask_p[ 4] <<  6) | (mask_p[ 3] <<  4)
670           | (mask_p[ 2] <<  2) | (mask_p[ 1] <<  0);
671     OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_1, tmp_mask);
672     OS_REG_WRITE(ah, AR_PHY_MASK2_P_15_01, tmp_mask);
673 
674     tmp_mask =             (mask_p[30] << 28)
675           | (mask_p[29] << 26) | (mask_p[28] << 24)
676           | (mask_p[27] << 22) | (mask_p[26] << 20)
677           | (mask_p[25] << 18) | (mask_p[24] << 16)
678           | (mask_p[23] << 14) | (mask_p[22] << 12)
679           | (mask_p[21] << 10) | (mask_p[20] <<  8)
680           | (mask_p[19] <<  6) | (mask_p[18] <<  4)
681           | (mask_p[17] <<  2) | (mask_p[16] <<  0);
682     OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_2, tmp_mask);
683     OS_REG_WRITE(ah, AR_PHY_MASK2_P_30_16, tmp_mask);
684 
685     tmp_mask =             (mask_p[45] << 28)
686           | (mask_p[44] << 26) | (mask_p[43] << 24)
687           | (mask_p[42] << 22) | (mask_p[41] << 20)
688           | (mask_p[40] << 18) | (mask_p[39] << 16)
689           | (mask_p[38] << 14) | (mask_p[37] << 12)
690           | (mask_p[36] << 10) | (mask_p[35] <<  8)
691           | (mask_p[34] <<  6) | (mask_p[33] <<  4)
692           | (mask_p[32] <<  2) | (mask_p[31] <<  0);
693     OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_3, tmp_mask);
694     OS_REG_WRITE(ah, AR_PHY_MASK2_P_45_31, tmp_mask);
695 
696     tmp_mask = (mask_p[61] << 30) | (mask_p[60] << 28)
697           | (mask_p[59] << 26) | (mask_p[58] << 24)
698           | (mask_p[57] << 22) | (mask_p[56] << 20)
699           | (mask_p[55] << 18) | (mask_p[54] << 16)
700           | (mask_p[53] << 14) | (mask_p[52] << 12)
701           | (mask_p[51] << 10) | (mask_p[50] <<  8)
702           | (mask_p[49] <<  6) | (mask_p[48] <<  4)
703           | (mask_p[47] <<  2) | (mask_p[46] <<  0);
704     OS_REG_WRITE(ah, AR_PHY_BIN_MASK2_4, tmp_mask);
705     OS_REG_WRITE(ah, AR_PHY_MASK2_P_61_45, tmp_mask);
706 }
707 
708 /*
709  * Fill all software cached or static hardware state information.
710  * Return failure if capabilities are to come from EEPROM and
711  * cannot be read.
712  */
713 HAL_BOOL
ar5416FillCapabilityInfo(struct ath_hal * ah)714 ar5416FillCapabilityInfo(struct ath_hal *ah)
715 {
716           struct ath_hal_private *ahpriv = AH_PRIVATE(ah);
717           HAL_CAPABILITIES *pCap = &ahpriv->ah_caps;
718           uint16_t val;
719 
720           /* Construct wireless mode from EEPROM */
721           pCap->halWirelessModes = 0;
722           if (ath_hal_eepromGetFlag(ah, AR_EEP_AMODE)) {
723                     pCap->halWirelessModes |= HAL_MODE_11A
724                                                |  HAL_MODE_11NA_HT20
725                                                |  HAL_MODE_11NA_HT40PLUS
726                                                |  HAL_MODE_11NA_HT40MINUS
727                                                ;
728           }
729           if (ath_hal_eepromGetFlag(ah, AR_EEP_GMODE)) {
730                     pCap->halWirelessModes |= HAL_MODE_11G
731                                                |  HAL_MODE_11NG_HT20
732                                                |  HAL_MODE_11NG_HT40PLUS
733                                                |  HAL_MODE_11NG_HT40MINUS
734                                                ;
735                     pCap->halWirelessModes |= HAL_MODE_11A
736                                                |  HAL_MODE_11NA_HT20
737                                                |  HAL_MODE_11NA_HT40PLUS
738                                                |  HAL_MODE_11NA_HT40MINUS
739                                                ;
740           }
741 
742           pCap->halLow2GhzChan = 2312;
743           pCap->halHigh2GhzChan = 2732;
744 
745           pCap->halLow5GhzChan = 4915;
746           pCap->halHigh5GhzChan = 6100;
747 
748           pCap->halCipherCkipSupport = AH_FALSE;
749           pCap->halCipherTkipSupport = AH_TRUE;
750           pCap->halCipherAesCcmSupport = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
751 
752           pCap->halMicCkipSupport    = AH_FALSE;
753           pCap->halMicTkipSupport    = AH_TRUE;
754           pCap->halMicAesCcmSupport  = ath_hal_eepromGetFlag(ah, AR_EEP_AES);
755           /*
756            * Starting with Griffin TX+RX mic keys can be combined
757            * in one key cache slot.
758            */
759           pCap->halTkipMicTxRxKeySupport = AH_TRUE;
760           pCap->halChanSpreadSupport = AH_TRUE;
761           pCap->halSleepAfterBeaconBroken = AH_TRUE;
762 
763           pCap->halCompressSupport = AH_FALSE;
764           pCap->halBurstSupport = AH_TRUE;
765           pCap->halFastFramesSupport = AH_FALSE;  /* XXX? */
766           pCap->halChapTuningSupport = AH_TRUE;
767           pCap->halTurboPrimeSupport = AH_TRUE;
768 
769           pCap->halTurboGSupport = pCap->halWirelessModes & HAL_MODE_108G;
770 
771           pCap->halPSPollBroken = AH_TRUE;        /* XXX fixed in later revs? */
772           pCap->halVEOLSupport = AH_TRUE;
773           pCap->halBssIdMaskSupport = AH_TRUE;
774           pCap->halMcastKeySrchSupport = AH_FALSE;
775           pCap->halTsfAddSupport = AH_TRUE;
776 
777           if (ath_hal_eepromGet(ah, AR_EEP_MAXQCU, &val) == HAL_OK)
778                     pCap->halTotalQueues = val;
779           else
780                     pCap->halTotalQueues = HAL_NUM_TX_QUEUES;
781 
782           if (ath_hal_eepromGet(ah, AR_EEP_KCENTRIES, &val) == HAL_OK)
783                     pCap->halKeyCacheSize = val;
784           else
785                     pCap->halKeyCacheSize = AR5416_KEYTABLE_SIZE;
786 
787           /* XXX not needed */
788           pCap->halChanHalfRate = AH_FALSE;       /* XXX ? */
789           pCap->halChanQuarterRate = AH_FALSE;    /* XXX ? */
790 
791           pCap->halTstampPrecision = 32;
792           pCap->halHwPhyCounterSupport = AH_TRUE;
793           pCap->halIntrMask = HAL_INT_COMMON
794                               | HAL_INT_RX
795                               | HAL_INT_TX
796                               | HAL_INT_FATAL
797                               | HAL_INT_BNR
798                               | HAL_INT_BMISC
799                               | HAL_INT_DTIMSYNC
800                               | HAL_INT_TSFOOR
801                               | HAL_INT_CST
802                               | HAL_INT_GTT
803                               ;
804 
805           pCap->halFastCCSupport = AH_TRUE;
806           pCap->halNumGpioPins = 6;
807           pCap->halWowSupport = AH_FALSE;
808           pCap->halWowMatchPatternExact = AH_FALSE;
809           pCap->halBtCoexSupport = AH_FALSE;      /* XXX need support */
810           pCap->halAutoSleepSupport = AH_FALSE;
811 #if 0     /* XXX not yet */
812           pCap->halNumAntCfg2GHz = ar5416GetNumAntConfig(ahp, HAL_FREQ_BAND_2GHZ);
813           pCap->halNumAntCfg5GHz = ar5416GetNumAntConfig(ahp, HAL_FREQ_BAND_5GHZ);
814 #endif
815           pCap->halHTSupport = AH_TRUE;
816           pCap->halTxChainMask = ath_hal_eepromGet(ah, AR_EEP_TXMASK, AH_NULL);
817           /* XXX CB71 uses GPIO 0 to indicate 3 rx chains */
818           pCap->halRxChainMask = ath_hal_eepromGet(ah, AR_EEP_RXMASK, AH_NULL);
819           pCap->halRtsAggrLimit = 8*1024;                   /* Owl 2.0 limit */
820           pCap->halMbssidAggrSupport = AH_TRUE;
821           pCap->halForcePpmSupport = AH_TRUE;
822           pCap->halEnhancedPmSupport = AH_TRUE;
823           pCap->halBssidMatchSupport = AH_TRUE;
824 
825           if (ath_hal_eepromGetFlag(ah, AR_EEP_RFKILL) &&
826               ath_hal_eepromGet(ah, AR_EEP_RFSILENT, &ahpriv->ah_rfsilent) == HAL_OK) {
827                     /* NB: enabled by default */
828                     ahpriv->ah_rfkillEnabled = AH_TRUE;
829                     pCap->halRfSilentSupport = AH_TRUE;
830           }
831 
832           ahpriv->ah_rxornIsFatal = AH_FALSE;
833 
834           return AH_TRUE;
835 }
836 
837 static const char*
ar5416Probe(uint16_t vendorid,uint16_t devid)838 ar5416Probe(uint16_t vendorid, uint16_t devid)
839 {
840           if (vendorid == ATHEROS_VENDOR_ID &&
841               (devid == AR5416_DEVID_PCI || devid == AR5416_DEVID_PCIE))
842                     return "Atheros 5416";
843           return AH_NULL;
844 }
845 AH_CHIP(AR5416, ar5416Probe, ar5416Attach);
846