]> CyberLeo.Net >> Repos - FreeBSD/releng/9.2.git/blob - sys/dev/ath/ath_hal/ar9002/ar9285_attach.c
- Copy stable/9 to releng/9.2 as part of the 9.2-RELEASE cycle.
[FreeBSD/releng/9.2.git] / sys / dev / ath / ath_hal / ar9002 / ar9285_attach.c
1 /*
2  * Copyright (c) 2008-2009 Sam Leffler, Errno Consulting
3  * Copyright (c) 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  * $FreeBSD$
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_v4k.h"              /* XXX for tx/rx gain */
26
27 #include "ar9002/ar9280.h"
28 #include "ar9002/ar9285.h"
29 #include "ar5416/ar5416reg.h"
30 #include "ar5416/ar5416phy.h"
31
32 #include "ar9002/ar9285.ini"
33 #include "ar9002/ar9285v2.ini"
34 #include "ar9002/ar9280v2.ini"          /* XXX ini for tx/rx gain */
35
36 #include "ar9002/ar9285_cal.h"
37 #include "ar9002/ar9285_phy.h"
38 #include "ar9002/ar9285_diversity.h"
39
40 static const HAL_PERCAL_DATA ar9280_iq_cal = {          /* single sample */
41         .calName = "IQ", .calType = IQ_MISMATCH_CAL,
42         .calNumSamples  = MIN_CAL_SAMPLES,
43         .calCountMax    = PER_MAX_LOG_COUNT,
44         .calCollect     = ar5416IQCalCollect,
45         .calPostProc    = ar5416IQCalibration
46 };
47 static const HAL_PERCAL_DATA ar9280_adc_gain_cal = {    /* single sample */
48         .calName = "ADC Gain", .calType = ADC_GAIN_CAL,
49         .calNumSamples  = MIN_CAL_SAMPLES,
50         .calCountMax    = PER_MIN_LOG_COUNT,
51         .calCollect     = ar5416AdcGainCalCollect,
52         .calPostProc    = ar5416AdcGainCalibration
53 };
54 static const HAL_PERCAL_DATA ar9280_adc_dc_cal = {      /* single sample */
55         .calName = "ADC DC", .calType = ADC_DC_CAL,
56         .calNumSamples  = MIN_CAL_SAMPLES,
57         .calCountMax    = PER_MIN_LOG_COUNT,
58         .calCollect     = ar5416AdcDcCalCollect,
59         .calPostProc    = ar5416AdcDcCalibration
60 };
61 static const HAL_PERCAL_DATA ar9280_adc_init_dc_cal = {
62         .calName = "ADC Init DC", .calType = ADC_DC_INIT_CAL,
63         .calNumSamples  = MIN_CAL_SAMPLES,
64         .calCountMax    = INIT_LOG_COUNT,
65         .calCollect     = ar5416AdcDcCalCollect,
66         .calPostProc    = ar5416AdcDcCalibration
67 };
68
69 static void ar9285ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore);
70 static HAL_BOOL ar9285FillCapabilityInfo(struct ath_hal *ah);
71 static void ar9285WriteIni(struct ath_hal *ah,
72         const struct ieee80211_channel *chan);
73
74 static void
75 ar9285AniSetup(struct ath_hal *ah)
76 {
77         /*
78          * These are the parameters from the AR5416 ANI code;
79          * they likely need quite a bit of adjustment for the
80          * AR9285.
81          */
82         static const struct ar5212AniParams aniparams = {
83                 .maxNoiseImmunityLevel  = 4,    /* levels 0..4 */
84                 .totalSizeDesired       = { -55, -55, -55, -55, -62 },
85                 .coarseHigh             = { -14, -14, -14, -14, -12 },
86                 .coarseLow              = { -64, -64, -64, -64, -70 },
87                 .firpwr                 = { -78, -78, -78, -78, -80 },
88                 .maxSpurImmunityLevel   = 2,
89                 .cycPwrThr1             = { 2, 4, 6 },
90                 .maxFirstepLevel        = 2,    /* levels 0..2 */
91                 .firstep                = { 0, 4, 8 },
92                 .ofdmTrigHigh           = 500,
93                 .ofdmTrigLow            = 200,
94                 .cckTrigHigh            = 200,
95                 .cckTrigLow             = 100,
96                 .rssiThrHigh            = 40,
97                 .rssiThrLow             = 7,
98                 .period                 = 100,
99         };
100         /* NB: disable ANI noise immmunity for reliable RIFS rx */
101         AH5416(ah)->ah_ani_function &= ~(1 << HAL_ANI_NOISE_IMMUNITY_LEVEL);
102
103         ar5416AniAttach(ah, &aniparams, &aniparams, AH_TRUE);
104 }
105
106 /*
107  * Attach for an AR9285 part.
108  */
109 static struct ath_hal *
110 ar9285Attach(uint16_t devid, HAL_SOFTC sc,
111         HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
112         HAL_STATUS *status)
113 {
114         struct ath_hal_9285 *ahp9285;
115         struct ath_hal_5212 *ahp;
116         struct ath_hal *ah;
117         uint32_t val;
118         HAL_STATUS ecode;
119         HAL_BOOL rfStatus;
120
121         HALDEBUG_G(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
122             __func__, sc, (void*) st, (void*) sh);
123
124         /* NB: memory is returned zero'd */
125         ahp9285 = ath_hal_malloc(sizeof (struct ath_hal_9285));
126         if (ahp9285 == AH_NULL) {
127                 HALDEBUG_G(AH_NULL, HAL_DEBUG_ANY,
128                     "%s: cannot allocate memory for state block\n", __func__);
129                 *status = HAL_ENOMEM;
130                 return AH_NULL;
131         }
132         ahp = AH5212(ahp9285);
133         ah = &ahp->ah_priv.h;
134
135         ar5416InitState(AH5416(ah), devid, sc, st, sh, status);
136
137         /* XXX override with 9285 specific state */
138         /* override 5416 methods for our needs */
139         AH5416(ah)->ah_initPLL = ar9280InitPLL;
140
141         ah->ah_setAntennaSwitch         = ar9285SetAntennaSwitch;
142         ah->ah_configPCIE               = ar9285ConfigPCIE;
143         ah->ah_setTxPower               = ar9285SetTransmitPower;
144         ah->ah_setBoardValues           = ar9285SetBoardValues;
145
146         AH5416(ah)->ah_cal.iqCalData.calData = &ar9280_iq_cal;
147         AH5416(ah)->ah_cal.adcGainCalData.calData = &ar9280_adc_gain_cal;
148         AH5416(ah)->ah_cal.adcDcCalData.calData = &ar9280_adc_dc_cal;
149         AH5416(ah)->ah_cal.adcDcCalInitData.calData = &ar9280_adc_init_dc_cal;
150         AH5416(ah)->ah_cal.suppCals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
151
152         AH5416(ah)->ah_spurMitigate     = ar9280SpurMitigate;
153         AH5416(ah)->ah_writeIni         = ar9285WriteIni;
154         AH5416(ah)->ah_rx_chainmask     = AR9285_DEFAULT_RXCHAINMASK;
155         AH5416(ah)->ah_tx_chainmask     = AR9285_DEFAULT_TXCHAINMASK;
156         
157         ahp->ah_maxTxTrigLev            = MAX_TX_FIFO_THRESHOLD >> 1;
158
159         if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
160                 /* reset chip */
161                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n",
162                     __func__);
163                 ecode = HAL_EIO;
164                 goto bad;
165         }
166
167         if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
168                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n",
169                     __func__);
170                 ecode = HAL_EIO;
171                 goto bad;
172         }
173         /* Read Revisions from Chips before taking out of reset */
174         val = OS_REG_READ(ah, AR_SREV);
175         HALDEBUG(ah, HAL_DEBUG_ATTACH,
176             "%s: ID 0x%x VERSION 0x%x TYPE 0x%x REVISION 0x%x\n",
177             __func__, MS(val, AR_XSREV_ID), MS(val, AR_XSREV_VERSION),
178             MS(val, AR_XSREV_TYPE), MS(val, AR_XSREV_REVISION));
179         /* NB: include chip type to differentiate from pre-Sowl versions */
180         AH_PRIVATE(ah)->ah_macVersion =
181             (val & AR_XSREV_VERSION) >> AR_XSREV_TYPE_S;
182         AH_PRIVATE(ah)->ah_macRev = MS(val, AR_XSREV_REVISION);
183         AH_PRIVATE(ah)->ah_ispcie = (val & AR_XSREV_TYPE_HOST_MODE) == 0;
184
185         /* setup common ini data; rf backends handle remainder */
186         if (AR_SREV_KITE_12_OR_LATER(ah)) {
187                 HAL_INI_INIT(&ahp->ah_ini_modes, ar9285Modes_v2, 6);
188                 HAL_INI_INIT(&ahp->ah_ini_common, ar9285Common_v2, 2);
189                 HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes,
190                     ar9285PciePhy_clkreq_always_on_L1_v2, 2);
191         } else {
192                 HAL_INI_INIT(&ahp->ah_ini_modes, ar9285Modes, 6);
193                 HAL_INI_INIT(&ahp->ah_ini_common, ar9285Common, 2);
194                 HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes,
195                     ar9285PciePhy_clkreq_always_on_L1, 2);
196         }
197         ar5416AttachPCIE(ah);
198
199         /* Attach methods that require MAC version/revision info */
200         if (AR_SREV_KITE_12_OR_LATER(ah))
201                 AH5416(ah)->ah_cal_initcal      = ar9285InitCalHardware;
202         if (AR_SREV_KITE_11_OR_LATER(ah))
203                 AH5416(ah)->ah_cal_pacal        = ar9002_hw_pa_cal;
204
205         ecode = ath_hal_v4kEepromAttach(ah);
206         if (ecode != HAL_OK)
207                 goto bad;
208
209         if (!ar5416ChipReset(ah, AH_NULL)) {    /* reset chip */
210                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n",
211                     __func__);
212                 ecode = HAL_EIO;
213                 goto bad;
214         }
215
216         AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
217
218         if (!ar5212ChipTest(ah)) {
219                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
220                     __func__);
221                 ecode = HAL_ESELFTEST;
222                 goto bad;
223         }
224
225         /*
226          * Set correct Baseband to analog shift
227          * setting to access analog chips.
228          */
229         OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
230
231         /* Read Radio Chip Rev Extract */
232         AH_PRIVATE(ah)->ah_analog5GhzRev = ar5416GetRadioRev(ah);
233         switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
234         case AR_RAD2133_SREV_MAJOR:     /* Sowl: 2G/3x3 */
235         case AR_RAD5133_SREV_MAJOR:     /* Sowl: 2+5G/3x3 */
236                 break;
237         default:
238                 if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
239                         AH_PRIVATE(ah)->ah_analog5GhzRev =
240                                 AR_RAD5133_SREV_MAJOR;
241                         break;
242                 }
243 #ifdef AH_DEBUG
244                 HALDEBUG(ah, HAL_DEBUG_ANY,
245                     "%s: 5G Radio Chip Rev 0x%02X is not supported by "
246                     "this driver\n", __func__,
247                     AH_PRIVATE(ah)->ah_analog5GhzRev);
248                 ecode = HAL_ENOTSUPP;
249                 goto bad;
250 #endif
251         }
252         rfStatus = ar9285RfAttach(ah, &ecode);
253         if (!rfStatus) {
254                 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
255                     __func__, ecode);
256                 goto bad;
257         }
258
259         HAL_INI_INIT(&ahp9285->ah_ini_rxgain, ar9280Modes_original_rxgain_v2,
260             6);
261
262         if (AR_SREV_9285E_20(ah))
263                 ath_hal_printf(ah, "[ath] AR9285E_20 detected; using XE TX gain tables\n");
264
265         /* setup txgain table */
266         switch (ath_hal_eepromGet(ah, AR_EEP_TXGAIN_TYPE, AH_NULL)) {
267         case AR5416_EEP_TXGAIN_HIGH_POWER:
268                 if (AR_SREV_9285E_20(ah))
269                         HAL_INI_INIT(&ahp9285->ah_ini_txgain,
270                             ar9285Modes_XE2_0_high_power, 6);
271                 else
272                         HAL_INI_INIT(&ahp9285->ah_ini_txgain,
273                             ar9285Modes_high_power_tx_gain_v2, 6);
274                 break;
275         case AR5416_EEP_TXGAIN_ORIG:
276                 if (AR_SREV_9285E_20(ah))
277                         HAL_INI_INIT(&ahp9285->ah_ini_txgain,
278                             ar9285Modes_XE2_0_normal_power, 6);
279                 else
280                         HAL_INI_INIT(&ahp9285->ah_ini_txgain,
281                             ar9285Modes_original_tx_gain_v2, 6);
282                 break;
283         default:
284                 HALASSERT(AH_FALSE);
285                 goto bad;               /* XXX ? try to continue */
286         }
287
288         /*
289          * Got everything we need now to setup the capabilities.
290          */
291         if (!ar9285FillCapabilityInfo(ah)) {
292                 ecode = HAL_EEREAD;
293                 goto bad;
294         }
295
296         /* Print out whether the EEPROM settings enable AR9285 diversity */
297         if (ar9285_check_div_comb(ah)) {
298                 ath_hal_printf(ah, "[ath] Enabling diversity for Kite\n");
299                 ah->ah_rxAntCombDiversity = ar9285_ant_comb_scan;
300         }
301
302         /* Disable 11n for the AR2427 */
303         if (devid == AR2427_DEVID_PCIE)
304                 AH_PRIVATE(ah)->ah_caps.halHTSupport = AH_FALSE;
305
306         ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
307         if (ecode != HAL_OK) {
308                 HALDEBUG(ah, HAL_DEBUG_ANY,
309                     "%s: error getting mac address from EEPROM\n", __func__);
310                 goto bad;
311         }
312         /* XXX How about the serial number ? */
313         /* Read Reg Domain */
314         AH_PRIVATE(ah)->ah_currentRD =
315             ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
316         /*
317          * For Kite and later chipsets, the following bits are not
318          * programmed in EEPROM and so are set as enabled always.
319          */
320         AH_PRIVATE(ah)->ah_currentRDext = AR9285_RDEXT_DEFAULT;
321
322         /*
323          * ah_miscMode is populated by ar5416FillCapabilityInfo()
324          * starting from griffin. Set here to make sure that
325          * AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
326          * placed into hardware.
327          */
328         if (ahp->ah_miscMode != 0)
329                 OS_REG_WRITE(ah, AR_MISC_MODE, OS_REG_READ(ah, AR_MISC_MODE) | ahp->ah_miscMode);
330
331         ar9285AniSetup(ah);                     /* Anti Noise Immunity */
332
333         /* Setup noise floor min/max/nominal values */
334         AH5416(ah)->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9285_2GHZ;
335         AH5416(ah)->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_9285_2GHZ;
336         AH5416(ah)->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_9285_2GHZ;
337         /* XXX no 5ghz values? */
338
339         ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);
340
341         HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
342
343         return ah;
344 bad:
345         if (ah != AH_NULL)
346                 ah->ah_detach(ah);
347         if (status)
348                 *status = ecode;
349         return AH_NULL;
350 }
351
352 static void
353 ar9285ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore)
354 {
355         if (AH_PRIVATE(ah)->ah_ispcie && !restore) {
356                 ath_hal_ini_write(ah, &AH5416(ah)->ah_ini_pcieserdes, 1, 0);
357                 OS_DELAY(1000);
358                 OS_REG_SET_BIT(ah, AR_PCIE_PM_CTRL, AR_PCIE_PM_CTRL_ENA);
359                 OS_REG_WRITE(ah, AR_WA, AR9285_WA_DEFAULT);
360         }
361 }
362
363 static void
364 ar9285WriteIni(struct ath_hal *ah, const struct ieee80211_channel *chan)
365 {
366         u_int modesIndex, freqIndex;
367         int regWrites = 0;
368
369         /* Setup the indices for the next set of register array writes */
370         /* XXX Ignore 11n dynamic mode on the AR5416 for the moment */
371         freqIndex = 2;
372         if (IEEE80211_IS_CHAN_HT40(chan))
373                 modesIndex = 3;
374         else if (IEEE80211_IS_CHAN_108G(chan))
375                 modesIndex = 5;
376         else
377                 modesIndex = 4;
378
379         /* Set correct Baseband to analog shift setting to access analog chips. */
380         OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
381         OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);
382         regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes,
383             modesIndex, regWrites);
384         if (AR_SREV_KITE_12_OR_LATER(ah)) {
385                 regWrites = ath_hal_ini_write(ah, &AH9285(ah)->ah_ini_txgain,
386                     modesIndex, regWrites);
387         }
388         regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common,
389             1, regWrites);
390 }
391
392 /*
393  * Fill all software cached or static hardware state information.
394  * Return failure if capabilities are to come from EEPROM and
395  * cannot be read.
396  */
397 static HAL_BOOL
398 ar9285FillCapabilityInfo(struct ath_hal *ah)
399 {
400         HAL_CAPABILITIES *pCap = &AH_PRIVATE(ah)->ah_caps;
401
402         if (!ar5416FillCapabilityInfo(ah))
403                 return AH_FALSE;
404         pCap->halNumGpioPins = 12;
405         pCap->halWowSupport = AH_TRUE;
406         pCap->halWowMatchPatternExact = AH_TRUE;
407 #if 0
408         pCap->halWowMatchPatternDword = AH_TRUE;
409 #endif
410         /* AR9285 has 2 antennas but is a 1x1 stream device */
411         pCap->halTxStreams = 1;
412         pCap->halRxStreams = 1;
413
414         pCap->halCSTSupport = AH_TRUE;
415         pCap->halRifsRxSupport = AH_TRUE;
416         pCap->halRifsTxSupport = AH_TRUE;
417         pCap->halRtsAggrLimit = 64*1024;        /* 802.11n max */
418         pCap->halExtChanDfsSupport = AH_TRUE;
419         pCap->halUseCombinedRadarRssi = AH_TRUE;
420 #if 0
421         /* XXX bluetooth */
422         pCap->halBtCoexSupport = AH_TRUE;
423 #endif
424         pCap->halAutoSleepSupport = AH_FALSE;   /* XXX? */
425         pCap->hal4kbSplitTransSupport = AH_FALSE;
426         /* Disable this so Block-ACK works correctly */
427         pCap->halHasRxSelfLinkedTail = AH_FALSE;
428         pCap->halMbssidAggrSupport = AH_TRUE;  
429         pCap->hal4AddrAggrSupport = AH_TRUE;
430
431         if (AR_SREV_KITE_12_OR_LATER(ah))
432                 pCap->halPSPollBroken = AH_FALSE;
433
434         /* Only RX STBC supported */
435         pCap->halRxStbcSupport = 1;
436         pCap->halTxStbcSupport = 0;
437
438         return AH_TRUE;
439 }
440
441 static const char*
442 ar9285Probe(uint16_t vendorid, uint16_t devid)
443 {
444         if (vendorid == ATHEROS_VENDOR_ID && devid == AR9285_DEVID_PCIE)
445                 return "Atheros 9285";
446         if (vendorid == ATHEROS_VENDOR_ID && (devid == AR2427_DEVID_PCIE))
447                 return "Atheros 2427";
448
449         return AH_NULL;
450 }
451 AH_CHIP(AR9285, ar9285Probe, ar9285Attach);