1 /*-
2 * SPDX-License-Identifier: ISC
3 *
4 * Copyright (c) 2008 Sam Leffler, Errno Consulting
5 * Copyright (c) 2008 Atheros Communications, Inc.
6 *
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 "ar9001/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 static HAL_BOOL ar9160FillCapabilityInfo(struct ath_hal *ah);
61
62 static void
ar9160AniSetup(struct ath_hal * ah)63 ar9160AniSetup(struct ath_hal *ah)
64 {
65 static const struct ar5212AniParams aniparams = {
66 .maxNoiseImmunityLevel = 4, /* levels 0..4 */
67 .totalSizeDesired = { -55, -55, -55, -55, -62 },
68 .coarseHigh = { -14, -14, -14, -14, -12 },
69 .coarseLow = { -64, -64, -64, -64, -70 },
70 .firpwr = { -78, -78, -78, -78, -80 },
71 .maxSpurImmunityLevel = 7,
72 .cycPwrThr1 = { 2, 4, 6, 8, 10, 12, 14, 16 },
73 .maxFirstepLevel = 2, /* levels 0..2 */
74 .firstep = { 0, 4, 8 },
75 .ofdmTrigHigh = 500,
76 .ofdmTrigLow = 200,
77 .cckTrigHigh = 200,
78 .cckTrigLow = 100,
79 .rssiThrHigh = 40,
80 .rssiThrLow = 7,
81 .period = 100,
82 };
83
84 /* NB: disable ANI noise immunity for reliable RIFS rx */
85 AH5416(ah)->ah_ani_function &= ~(1 << HAL_ANI_NOISE_IMMUNITY_LEVEL);
86 ar5416AniAttach(ah, &aniparams, &aniparams, AH_TRUE);
87 }
88
89 static void
ar9160InitPLL(struct ath_hal * ah,const struct ieee80211_channel * chan)90 ar9160InitPLL(struct ath_hal *ah, const struct ieee80211_channel *chan)
91 {
92 uint32_t pll = SM(0x5, AR_RTC_SOWL_PLL_REFDIV);
93 if (chan != AH_NULL) {
94 if (IEEE80211_IS_CHAN_HALF(chan))
95 pll |= SM(0x1, AR_RTC_SOWL_PLL_CLKSEL);
96 else if (IEEE80211_IS_CHAN_QUARTER(chan))
97 pll |= SM(0x2, AR_RTC_SOWL_PLL_CLKSEL);
98
99 if (IEEE80211_IS_CHAN_5GHZ(chan))
100 pll |= SM(0x50, AR_RTC_SOWL_PLL_DIV);
101 else
102 pll |= SM(0x58, AR_RTC_SOWL_PLL_DIV);
103 } else
104 pll |= SM(0x58, AR_RTC_SOWL_PLL_DIV);
105
106 OS_REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
107 OS_DELAY(RTC_PLL_SETTLE_DELAY);
108 OS_REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_SLEEP_DERIVED_CLK);
109 }
110
111 /*
112 * Attach for an AR9160 part.
113 */
114 static struct ath_hal *
ar9160Attach(uint16_t devid,HAL_SOFTC sc,HAL_BUS_TAG st,HAL_BUS_HANDLE sh,uint16_t * eepromdata,HAL_OPS_CONFIG * ah_config,HAL_STATUS * status)115 ar9160Attach(uint16_t devid, HAL_SOFTC sc,
116 HAL_BUS_TAG st, HAL_BUS_HANDLE sh, uint16_t *eepromdata,
117 HAL_OPS_CONFIG *ah_config,
118 HAL_STATUS *status)
119 {
120 struct ath_hal_5416 *ahp5416;
121 struct ath_hal_5212 *ahp;
122 struct ath_hal *ah;
123 uint32_t val;
124 HAL_STATUS ecode;
125 HAL_BOOL rfStatus;
126
127 HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
128 __func__, sc, (void*) st, (void*) sh);
129
130 /* NB: memory is returned zero'd */
131 ahp5416 = ath_hal_malloc(sizeof (struct ath_hal_5416));
132 if (ahp5416 == AH_NULL) {
133 HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
134 "%s: cannot allocate memory for state block\n", __func__);
135 *status = HAL_ENOMEM;
136 return AH_NULL;
137 }
138 ar5416InitState(ahp5416, devid, sc, st, sh, status);
139 ahp = &ahp5416->ah_5212;
140 ah = &ahp->ah_priv.h;
141
142 /* XXX override with 9160 specific state */
143 /* override 5416 methods for our needs */
144 AH5416(ah)->ah_initPLL = ar9160InitPLL;
145
146 AH5416(ah)->ah_cal.iqCalData.calData = &ar9160_iq_cal;
147 AH5416(ah)->ah_cal.adcGainCalData.calData = &ar9160_adc_gain_cal;
148 AH5416(ah)->ah_cal.adcDcCalData.calData = &ar9160_adc_dc_cal;
149 AH5416(ah)->ah_cal.adcDcCalInitData.calData = &ar9160_adc_init_dc_cal;
150 AH5416(ah)->ah_cal.suppCals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
151
152 if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON)) {
153 /* reset chip */
154 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't reset chip\n",
155 __func__);
156 ecode = HAL_EIO;
157 goto bad;
158 }
159
160 if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
161 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: couldn't wakeup chip\n",
162 __func__);
163 ecode = HAL_EIO;
164 goto bad;
165 }
166 /* Read Revisions from Chips before taking out of reset */
167 val = OS_REG_READ(ah, AR_SREV);
168 HALDEBUG(ah, HAL_DEBUG_ATTACH,
169 "%s: ID 0x%x VERSION 0x%x TYPE 0x%x REVISION 0x%x\n",
170 __func__, MS(val, AR_XSREV_ID), MS(val, AR_XSREV_VERSION),
171 MS(val, AR_XSREV_TYPE), MS(val, AR_XSREV_REVISION));
172 /* NB: include chip type to differentiate from pre-Sowl versions */
173 AH_PRIVATE(ah)->ah_macVersion =
174 (val & AR_XSREV_VERSION) >> AR_XSREV_TYPE_S;
175 AH_PRIVATE(ah)->ah_macRev = MS(val, AR_XSREV_REVISION);
176 AH_PRIVATE(ah)->ah_ispcie = (val & AR_XSREV_TYPE_HOST_MODE) == 0;
177
178 /* setup common ini data; rf backends handle remainder */
179 HAL_INI_INIT(&ahp->ah_ini_modes, ar9160Modes, 6);
180 HAL_INI_INIT(&ahp->ah_ini_common, ar9160Common, 2);
181
182 HAL_INI_INIT(&AH5416(ah)->ah_ini_bb_rfgain, ar9160BB_RfGain, 3);
183 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank0, ar9160Bank0, 2);
184 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank1, ar9160Bank1, 2);
185 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank2, ar9160Bank2, 2);
186 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank3, ar9160Bank3, 3);
187 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank6, ar9160Bank6TPC, 3);
188 HAL_INI_INIT(&AH5416(ah)->ah_ini_bank7, ar9160Bank7, 2);
189 if (AR_SREV_SOWL_11(ah))
190 HAL_INI_INIT(&AH5416(ah)->ah_ini_addac, ar9160Addac_1_1, 2);
191 else
192 HAL_INI_INIT(&AH5416(ah)->ah_ini_addac, ar9160Addac, 2);
193
194 ecode = ath_hal_v14EepromAttach(ah);
195 if (ecode != HAL_OK)
196 goto bad;
197
198 HAL_INI_INIT(&AH5416(ah)->ah_ini_pcieserdes, ar9160PciePhy, 2);
199 ar5416AttachPCIE(ah);
200
201 if (!ar5416ChipReset(ah, AH_NULL, HAL_RESET_NORMAL)) { /* reset chip */
202 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n", __func__);
203 ecode = HAL_EIO;
204 goto bad;
205 }
206
207 AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
208
209 if (!ar5212ChipTest(ah)) {
210 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
211 __func__);
212 ecode = HAL_ESELFTEST;
213 goto bad;
214 }
215
216 /*
217 * Set correct Baseband to analog shift
218 * setting to access analog chips.
219 */
220 OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
221
222 /* Read Radio Chip Rev Extract */
223 AH_PRIVATE(ah)->ah_analog5GhzRev = ar5416GetRadioRev(ah);
224 switch (AH_PRIVATE(ah)->ah_analog5GhzRev & AR_RADIO_SREV_MAJOR) {
225 case AR_RAD2133_SREV_MAJOR: /* Sowl: 2G/3x3 */
226 case AR_RAD5133_SREV_MAJOR: /* Sowl: 2+5G/3x3 */
227 break;
228 default:
229 if (AH_PRIVATE(ah)->ah_analog5GhzRev == 0) {
230 AH_PRIVATE(ah)->ah_analog5GhzRev =
231 AR_RAD5133_SREV_MAJOR;
232 break;
233 }
234 #ifdef AH_DEBUG
235 HALDEBUG(ah, HAL_DEBUG_ANY,
236 "%s: 5G Radio Chip Rev 0x%02X is not supported by "
237 "this driver\n", __func__,
238 AH_PRIVATE(ah)->ah_analog5GhzRev);
239 ecode = HAL_ENOTSUPP;
240 goto bad;
241 #endif
242 }
243 rfStatus = ar2133RfAttach(ah, &ecode);
244 if (!rfStatus) {
245 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
246 __func__, ecode);
247 goto bad;
248 }
249
250 /*
251 * Got everything we need now to setup the capabilities.
252 */
253 if (!ar9160FillCapabilityInfo(ah)) {
254 ecode = HAL_EEREAD;
255 goto bad;
256 }
257
258 ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
259 if (ecode != HAL_OK) {
260 HALDEBUG(ah, HAL_DEBUG_ANY,
261 "%s: error getting mac address from EEPROM\n", __func__);
262 goto bad;
263 }
264 /* XXX How about the serial number ? */
265 /* Read Reg Domain */
266 AH_PRIVATE(ah)->ah_currentRD =
267 ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, AH_NULL);
268 AH_PRIVATE(ah)->ah_currentRDext =
269 ath_hal_eepromGet(ah, AR_EEP_REGDMN_1, AH_NULL);
270
271 /*
272 * ah_miscMode is populated by ar5416FillCapabilityInfo()
273 * starting from griffin. Set here to make sure that
274 * AR_MISC_MODE_MIC_NEW_LOC_ENABLE is set before a GTK is
275 * placed into hardware.
276 */
277 if (ahp->ah_miscMode != 0)
278 OS_REG_WRITE(ah, AR_MISC_MODE, OS_REG_READ(ah, AR_MISC_MODE) | ahp->ah_miscMode);
279
280 ar9160AniSetup(ah); /* Anti Noise Immunity */
281
282 /* This just uses the AR5416 NF values */
283 AH5416(ah)->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_2GHZ;
284 AH5416(ah)->nf_2g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_2GHZ;
285 AH5416(ah)->nf_2g.nominal = AR_PHY_CCA_NOM_VAL_5416_2GHZ;
286 AH5416(ah)->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_5416_5GHZ;
287 AH5416(ah)->nf_5g.min = AR_PHY_CCA_MIN_GOOD_VAL_5416_5GHZ;
288 AH5416(ah)->nf_5g.nominal = AR_PHY_CCA_NOM_VAL_5416_5GHZ;
289
290 ar5416InitNfHistBuff(AH5416(ah)->ah_cal.nfCalHist);
291
292 HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
293
294 return ah;
295 bad:
296 if (ahp)
297 ar5416Detach((struct ath_hal *) ahp);
298 if (status)
299 *status = ecode;
300 return AH_NULL;
301 }
302
303 /*
304 * Fill all software cached or static hardware state information.
305 * Return failure if capabilities are to come from EEPROM and
306 * cannot be read.
307 */
308 static HAL_BOOL
ar9160FillCapabilityInfo(struct ath_hal * ah)309 ar9160FillCapabilityInfo(struct ath_hal *ah)
310 {
311 HAL_CAPABILITIES *pCap = &AH_PRIVATE(ah)->ah_caps;
312
313 if (!ar5416FillCapabilityInfo(ah))
314 return AH_FALSE;
315 pCap->halCSTSupport = AH_TRUE;
316 pCap->halRifsRxSupport = AH_TRUE;
317 pCap->halRifsTxSupport = AH_TRUE;
318 pCap->halRtsAggrLimit = 64*1024; /* 802.11n max */
319 pCap->halExtChanDfsSupport = AH_TRUE;
320 pCap->halUseCombinedRadarRssi = AH_TRUE;
321 pCap->halAutoSleepSupport = AH_FALSE; /* XXX? */
322 pCap->halMbssidAggrSupport = AH_TRUE;
323 pCap->hal4AddrAggrSupport = AH_TRUE;
324 /* BB Read WAR */
325 pCap->halHasBBReadWar = AH_TRUE;
326
327 /* AR9160 is a 2x2 stream device */
328 pCap->halTxStreams = 2;
329 pCap->halRxStreams = 2;
330
331 return AH_TRUE;
332 }
333
334 static const char*
ar9160Probe(uint16_t vendorid,uint16_t devid)335 ar9160Probe(uint16_t vendorid, uint16_t devid)
336 {
337 if (vendorid == ATHEROS_VENDOR_ID && devid == AR9160_DEVID_PCI)
338 return "Atheros 9160";
339 return AH_NULL;
340 }
341 AH_CHIP(AR9160, ar9160Probe, ar9160Attach);
342