1 /*
2 * Copyright (c) 2008 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 * $Id: ar9160_attach.c,v 1.2 2011/02/20 11:21:04 jmcneill 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 "ar5416/ar5416.h"
26 #include "ar5416/ar5416reg.h"
27 #include "ar5416/ar5416phy.h"
28
29 #include "ar5416/ar9160.ini"
30
31 static const HAL_PERCAL_DATA ar9160_iq_cal = { /* multi sample */
32 .calName = "IQ", .calType = IQ_MISMATCH_CAL,
33 .calNumSamples = MAX_CAL_SAMPLES,
34 .calCountMax = PER_MIN_LOG_COUNT,
35 .calCollect = ar5416IQCalCollect,
36 .calPostProc = ar5416IQCalibration
37 };
38 static const HAL_PERCAL_DATA ar9160_adc_gain_cal = { /* multi sample */
39 .calName = "ADC Gain", .calType = ADC_GAIN_CAL,
40 .calNumSamples = MAX_CAL_SAMPLES,
41 .calCountMax = PER_MIN_LOG_COUNT,
42 .calCollect = ar5416AdcGainCalCollect,
43 .calPostProc = ar5416AdcGainCalibration
44 };
45 static const HAL_PERCAL_DATA ar9160_adc_dc_cal = { /* multi sample */
46 .calName = "ADC DC", .calType = ADC_DC_CAL,
47 .calNumSamples = MAX_CAL_SAMPLES,
48 .calCountMax = PER_MIN_LOG_COUNT,
49 .calCollect = ar5416AdcDcCalCollect,
50 .calPostProc = ar5416AdcDcCalibration
51 };
52 static const HAL_PERCAL_DATA ar9160_adc_init_dc_cal = {
53 .calName = "ADC Init DC", .calType = ADC_DC_INIT_CAL,
54 .calNumSamples = MIN_CAL_SAMPLES,
55 .calCountMax = INIT_LOG_COUNT,
56 .calCollect = ar5416AdcDcCalCollect,
57 .calPostProc = ar5416AdcDcCalibration
58 };
59
60 struct ath_hal *ar9160Attach(uint16_t devid, HAL_SOFTC sc,
61 HAL_BUS_TAG st, HAL_BUS_HANDLE sh, HAL_STATUS *status);
62 static void ar9160Detach(struct ath_hal *);
63 static HAL_BOOL ar9160FillCapabilityInfo(struct ath_hal *ah);
64
65 static void
ar9160AniSetup(struct ath_hal * ah)66 ar9160AniSetup(struct ath_hal *ah)
67 {
68 static const struct ar5212AniParams aniparams = {
69 .maxNoiseImmunityLevel = 4, /* levels 0..4 */
70 .totalSizeDesired = { -55, -55, -55, -55, -62 },
71 .coarseHigh = { -14, -14, -14, -14, -12 },
72 .coarseLow = { -64, -64, -64, -64, -70 },
73 .firpwr = { -78, -78, -78, -78, -80 },
74 .maxSpurImmunityLevel = 2,
75 .cycPwrThr1 = { 2, 4, 6 },
76 .maxFirstepLevel = 2, /* levels 0..2 */
77 .firstep = { 0, 4, 8 },
78 .ofdmTrigHigh = 500,
79 .ofdmTrigLow = 200,
80 .cckTrigHigh = 200,
81 .cckTrigLow = 100,
82 .rssiThrHigh = 40,
83 .rssiThrLow = 7,
84 .period = 100,
85 };
86 /* NB: ANI is not enabled yet */
87 ar5212AniAttach(ah, &aniparams, &aniparams, AH_FALSE);
88 }
89
90 /*
91 * Attach for an AR9160 part.
92 */
93 struct ath_hal *
ar9160Attach(uint16_t devid,HAL_SOFTC sc,HAL_BUS_TAG st,HAL_BUS_HANDLE sh,HAL_STATUS * status)94 ar9160Attach(uint16_t devid, HAL_SOFTC sc,
95 HAL_BUS_TAG st, HAL_BUS_HANDLE sh, HAL_STATUS *status)
96 {
97 struct ath_hal_5416 *ahp5416;
98 struct ath_hal_5212 *ahp;
99 struct ath_hal *ah;
100 uint32_t val;
101 HAL_STATUS ecode;
102 HAL_BOOL rfStatus;
103
104 HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
105 __func__, sc, (void*) st, (void*) sh);
106
107 /* NB: memory is returned zero'd */
108 ahp5416 = ath_hal_malloc(sizeof (struct ath_hal_5416));
109 if (ahp5416 == AH_NULL) {
110 HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
111 "%s: cannot allocate memory for state block\n", __func__);
112 *status = HAL_ENOMEM;
113 return AH_NULL;
114 }
115 ar5416InitState(ahp5416, devid, sc, st, sh, status);
116 ahp = &ahp5416->ah_5212;
117 ah = &ahp->ah_priv.h;
118
119 /* XXX override with 9160 specific state */
120 /* override 5416 methods for our needs */
121 ah->ah_detach = ar9160Detach;
122
123 AH5416(ah)->ah_cal.iqCalData.calData = &ar9160_iq_cal;
124 AH5416(ah)->ah_cal.adcGainCalData.calData = &ar9160_adc_gain_cal;
125 AH5416(ah)->ah_cal.adcDcCalData.calData = &ar9160_adc_dc_cal;
126 AH5416(ah)->ah_cal.adcDcCalInitData.calData = &ar9160_adc_init_dc_cal;
127 AH5416(ah)->ah_cal.suppCals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
128
129 if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
130 /* reset chip */
131 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n",
132 __func__);
133 ecode = HAL_EIO;
134 goto bad;
135 }
136
137 if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
138 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n",
139 __func__);
140 ecode = HAL_EIO;
141 goto bad;
142 }
143 /* Read Revisions from Chips before taking out of reset */
144 val = OS_REG_READ(ah, AR_SREV);
145 HALDEBUG(ah, HAL_DEBUG_ATTACH,
146 "%s: ID 0x%x VERSION 0x%x TYPE 0x%x REVISION 0x%x\n",
147 __func__, MS(val, AR_XSREV_ID), MS(val, AR_XSREV_VERSION),
148 MS(val, AR_XSREV_TYPE), MS(val, AR_XSREV_REVISION));
149 /* NB: include chip type to differentiate from pre-Sowl versions */
150 AH_PRIVATE(ah)->ah_macVersion =
151 (val & AR_XSREV_VERSION) >> AR_XSREV_TYPE_S;
152 AH_PRIVATE(ah)->ah_macRev = MS(val, AR_XSREV_REVISION);
153 AH_PRIVATE(ah)->ah_ispcie = (val & AR_XSREV_TYPE_HOST_MODE) == 0;
154
155 /* setup common ini data; rf backends handle remainder */
156 HAL_INI_INIT(&ahp->ah_ini_modes, ar9160Modes, 6);
157 HAL_INI_INIT(&ahp->ah_ini_common, ar9160Common, 2);
158
159 HAL_INI_INIT(&AH5416(ah)->ah_ini_bb_rfgain, ar9160BB_RfGain, 3);
160 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank0, ar9160Bank0, 2);
161 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank1, ar9160Bank1, 2);
162 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank2, ar9160Bank2, 2);
163 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank3, ar9160Bank3, 3);
164 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank6, ar9160Bank6, 3);
165 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank7, ar9160Bank7, 2);
166 if (AR_SREV_SOWL_11(ah))
167 HAL_INI_INIT(&AH5416(ah)->ah_ini_addac, ar9160Addac_1_1, 2);
168 else
169 HAL_INI_INIT(&AH5416(ah)->ah_ini_addac, ar9160Addac, 2);
170
171 HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes, ar9160PciePhy, 2);
172 ar5416AttachPCIE(ah);
173
174 if (!ar5416ChipReset(ah, AH_NULL)) { /* reset chip */
175 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n", __func__);
176 ecode = HAL_EIO;
177 goto bad;
178 }
179
180 AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
181
182 if (!ar5212ChipTest(ah)) {
183 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
184 __func__);
185 ecode = HAL_ESELFTEST;
186 goto bad;
187 }
188
189 /*
190 * Set correct Baseband to analog shift
191 * setting to access analog chips.
192 */
193 OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
194
195 /* Read Radio Chip Rev Extract */
196 AH_PRIVATE(ah)->ah_analog5GhzRev = ar5212GetRadioRev(ah);
197 switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
198 case AR_RAD2133_SREV_MAJOR: /* Sowl: 2G/3x3 */
199 case AR_RAD5133_SREV_MAJOR: /* Sowl: 2+5G/3x3 */
200 break;
201 default:
202 if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
203 AH_PRIVATE(ah)->ah_analog5GhzRev =
204 AR_RAD5133_SREV_MAJOR;
205 break;
206 }
207 #ifdef AH_DEBUG
208 HALDEBUG(ah, HAL_DEBUG_ANY,
209 "%s: 5G Radio Chip Rev 0x%02X is not supported by "
210 "this driver\n", __func__,
211 AH_PRIVATE(ah)->ah_analog5GhzRev);
212 ecode = HAL_ENOTSUPP;
213 goto bad;
214 #endif
215 }
216 HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: Attaching AR2133 radio\n",
217 __func__);
218 rfStatus = ar2133RfAttach(ah, &ecode);
219 if (!rfStatus) {
220 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
221 __func__, ecode);
222 goto bad;
223 }
224
225 ecode = ath_hal_v14EepromAttach(ah);
226 if (ecode != HAL_OK)
227 goto bad;
228
229 /*
230 * Got everything we need now to setup the capabilities.
231 */
232 if (!ar9160FillCapabilityInfo(ah)) {
233 ecode = HAL_EEREAD;
234 goto bad;
235 }
236
237 ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
238 if (ecode != HAL_OK) {
239 HALDEBUG(ah, HAL_DEBUG_ANY,
240 "%s: error getting mac address from EEPROM\n", __func__);
241 goto bad;
242 }
243 /* XXX How about the serial number ? */
244 /* Read Reg Domain */
245 AH_PRIVATE(ah)->ah_currentRD =
246 ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
247
248 /*
249 * ah_miscMode is populated by ar5416FillCapabilityInfo()
250 * starting from griffin. Set here to make sure that
251 * AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
252 * placed into hardware.
253 */
254 if (ahp->ah_miscMode != 0)
255 OS_REG_WRITE(ah, AR_MISC_MODE, ahp->ah_miscMode);
256
257 ar9160AniSetup(ah); /* Anti Noise Immunity */
258 ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);
259
260 HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
261
262 return ah;
263 bad:
264 if (ahp)
265 ar9160Detach((struct ath_hal *) ahp);
266 if (status)
267 *status = ecode;
268 return AH_NULL;
269 }
270
271 void
ar9160Detach(struct ath_hal * ah)272 ar9160Detach(struct ath_hal *ah)
273 {
274 HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s:\n", __func__);
275
276 HALASSERT(ah != AH_NULL);
277 HALASSERT(ah->ah_magic == AR5416_MAGIC);
278
279 ar5416Detach(ah);
280 }
281
282 /*
283 * Fill all software cached or static hardware state information.
284 * Return failure if capabilities are to come from EEPROM and
285 * cannot be read.
286 */
287 static HAL_BOOL
ar9160FillCapabilityInfo(struct ath_hal * ah)288 ar9160FillCapabilityInfo(struct ath_hal *ah)
289 {
290 HAL_CAPABILITIES *pCap = &AH_PRIVATE(ah)->ah_caps;
291
292 if (!ar5416FillCapabilityInfo(ah))
293 return AH_FALSE;
294 pCap->halCSTSupport = AH_TRUE;
295 pCap->halRifsRxSupport = AH_TRUE;
296 pCap->halRifsTxSupport = AH_TRUE;
297 pCap->halRtsAggrLimit = 64*1024; /* 802.11n max */
298 pCap->halExtChanDfsSupport = AH_TRUE;
299 pCap->halAutoSleepSupport = AH_FALSE; /* XXX? */
300 return AH_TRUE;
301 }
302
303 static const char*
ar9160Probe(uint16_t vendorid,uint16_t devid)304 ar9160Probe(uint16_t vendorid, uint16_t devid)
305 {
306 if (vendorid == ATHEROS_VENDOR_ID && devid == AR9160_DEVID_PCI)
307 return "Atheros 9160";
308 return AH_NULL;
309 }
310 AH_CHIP(AR9160, ar9160Probe, ar9160Attach);
311