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: ar5312_attach.c,v 1.3 2011/03/07 11:25:43 cegger 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 "ar5312/ar5312.h"
26 #include "ar5312/ar5312reg.h"
27 #include "ar5312/ar5312phy.h"
28
29 /* Add static register initialization vectors */
30 #define AH_5212_COMMON
31 #include "ar5212/ar5212.ini"
32
33 static HAL_BOOL ar5312GetMacAddr(struct ath_hal *ah);
34
35 static void
ar5312AniSetup(struct ath_hal * ah)36 ar5312AniSetup(struct ath_hal *ah)
37 {
38 static const struct ar5212AniParams aniparams = {
39 .maxNoiseImmunityLevel = 4, /* levels 0..4 */
40 .totalSizeDesired = { -41, -41, -48, -48, -48 },
41 .coarseHigh = { -18, -18, -16, -14, -12 },
42 .coarseLow = { -56, -56, -60, -60, -60 },
43 .firpwr = { -72, -72, -75, -78, -80 },
44 .maxSpurImmunityLevel = 2,
45 .cycPwrThr1 = { 2, 4, 6 },
46 .maxFirstepLevel = 2, /* levels 0..2 */
47 .firstep = { 0, 4, 8 },
48 .ofdmTrigHigh = 500,
49 .ofdmTrigLow = 200,
50 .cckTrigHigh = 200,
51 .cckTrigLow = 100,
52 .rssiThrHigh = 40,
53 .rssiThrLow = 7,
54 .period = 100,
55 };
56 ar5212AniAttach(ah, &aniparams, &aniparams, AH_TRUE);
57 }
58
59 /*
60 * Attach for an AR5312 part.
61 */
62 static struct ath_hal *
ar5312Attach(uint16_t devid,HAL_SOFTC sc,HAL_BUS_TAG st,HAL_BUS_HANDLE sh,HAL_STATUS * status)63 ar5312Attach(uint16_t devid, HAL_SOFTC sc,
64 HAL_BUS_TAG st, HAL_BUS_HANDLE sh, HAL_STATUS *status)
65 {
66 struct ath_hal_5212 *ahp = AH_NULL;
67 struct ath_hal *ah;
68 struct ath_hal_rf *rf;
69 uint32_t val;
70 uint16_t eeval;
71 HAL_STATUS ecode;
72
73 HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH, "%s: sc %p st %p sh %p\n",
74 __func__, sc, st, (void*) sh);
75
76 /* NB: memory is returned zero'd */
77 ahp = ath_hal_malloc(sizeof (struct ath_hal_5212));
78 if (ahp == AH_NULL) {
79 HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
80 "%s: cannot allocate memory for state block\n", __func__);
81 *status = HAL_ENOMEM;
82 return AH_NULL;
83 }
84 ar5212InitState(ahp, devid, sc, st, sh, status);
85 ah = &ahp->ah_priv.h;
86
87 /* override 5212 methods for our needs */
88 ah->ah_reset = ar5312Reset;
89 ah->ah_phyDisable = ar5312PhyDisable;
90 ah->ah_setLedState = ar5312SetLedState;
91 ah->ah_detectCardPresent = ar5312DetectCardPresent;
92 ah->ah_setPowerMode = ar5312SetPowerMode;
93 ah->ah_getPowerMode = ar5312GetPowerMode;
94 ah->ah_isInterruptPending = ar5312IsInterruptPending;
95
96 ahp->ah_priv.ah_eepromRead = ar5312EepromRead;
97 #ifdef AH_SUPPORT_WRITE_EEPROM
98 ahp->ah_priv.ah_eepromWrite = ar5312EepromWrite;
99 #endif
100 #if ( AH_SUPPORT_2316 || AH_SUPPORT_2317)
101 if (IS_5315(ah)) {
102 ahp->ah_priv.ah_gpioCfgOutput = ar5315GpioCfgOutput;
103 ahp->ah_priv.ah_gpioCfgInput = ar5315GpioCfgInput;
104 ahp->ah_priv.ah_gpioGet = ar5315GpioGet;
105 ahp->ah_priv.ah_gpioSet = ar5315GpioSet;
106 ahp->ah_priv.ah_gpioSetIntr = ar5315GpioSetIntr;
107 } else
108 #endif
109 {
110 ahp->ah_priv.ah_gpioCfgOutput = ar5312GpioCfgOutput;
111 ahp->ah_priv.ah_gpioCfgInput = ar5312GpioCfgInput;
112 ahp->ah_priv.ah_gpioGet = ar5312GpioGet;
113 ahp->ah_priv.ah_gpioSet = ar5312GpioSet;
114 ahp->ah_priv.ah_gpioSetIntr = ar5312GpioSetIntr;
115 }
116
117 ah->ah_gpioCfgInput = ahp->ah_priv.ah_gpioCfgInput;
118 ah->ah_gpioCfgOutput = ahp->ah_priv.ah_gpioCfgOutput;
119 ah->ah_gpioGet = ahp->ah_priv.ah_gpioGet;
120 ah->ah_gpioSet = ahp->ah_priv.ah_gpioSet;
121 ah->ah_gpioSetIntr = ahp->ah_priv.ah_gpioSetIntr;
122
123 /* setup common ini data; rf backends handle remainder */
124 HAL_INI_INIT(&ahp->ah_ini_modes, ar5212Modes, 6);
125 HAL_INI_INIT(&ahp->ah_ini_common, ar5212Common, 2);
126
127 if (!ar5312ChipReset(ah, AH_NULL)) { /* reset chip */
128 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n", __func__);
129 ecode = HAL_EIO;
130 goto bad;
131 }
132
133 #if ( AH_SUPPORT_2316 || AH_SUPPORT_2317)
134 if ((devid == AR5212_AR2315_REV6) ||
135 (devid == AR5212_AR2315_REV7) ||
136 (devid == AR5212_AR2317_REV1) ||
137 (devid == AR5212_AR2317_REV2) ) {
138 val = ((OS_REG_READ(ah, (AR5315_RSTIMER_BASE -((uint32_t) sh)) + AR5315_WREV)) >> AR5315_WREV_S)
139 & AR5315_WREV_ID;
140 AH_PRIVATE(ah)->ah_macVersion = val >> AR5315_WREV_ID_S;
141 AH_PRIVATE(ah)->ah_macRev = val & AR5315_WREV_REVISION;
142 HALDEBUG(ah, HAL_DEBUG_ATTACH,
143 "%s: Mac Chip Rev 0x%02x.%x\n" , __func__,
144 AH_PRIVATE(ah)->ah_macVersion, AH_PRIVATE(ah)->ah_macRev);
145 } else
146 #endif
147 {
148 val = OS_REG_READ(ah, (AR5312_RSTIMER_BASE - ((uint32_t) sh)) + 0x0020);
149 val = OS_REG_READ(ah, (AR5312_RSTIMER_BASE - ((uint32_t) sh)) + 0x0080);
150 /* Read Revisions from Chips */
151 val = ((OS_REG_READ(ah, (AR5312_RSTIMER_BASE - ((uint32_t) sh)) + AR5312_WREV)) >> AR5312_WREV_S) & AR5312_WREV_ID;
152 AH_PRIVATE(ah)->ah_macVersion = val >> AR5312_WREV_ID_S;
153 AH_PRIVATE(ah)->ah_macRev = val & AR5312_WREV_REVISION;
154 }
155 /* XXX - THIS IS WRONG. NEEDS TO BE FIXED */
156 if (((AH_PRIVATE(ah)->ah_macVersion != AR_SREV_VERSION_VENICE &&
157 AH_PRIVATE(ah)->ah_macVersion != AR_SREV_VERSION_VENICE) ||
158 AH_PRIVATE(ah)->ah_macRev < AR_SREV_D2PLUS) &&
159 AH_PRIVATE(ah)->ah_macVersion != AR_SREV_VERSION_COBRA) {
160 #ifdef AH_DEBUG
161 ath_hal_printf(ah, "%s: Mac Chip Rev 0x%02x.%x is not supported by "
162 "this driver\n", __func__,
163 AH_PRIVATE(ah)->ah_macVersion,
164 AH_PRIVATE(ah)->ah_macRev);
165 #endif
166 ecode = HAL_ENOTSUPP;
167 goto bad;
168 }
169
170 AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIP_ID);
171
172 if (!ar5212ChipTest(ah)) {
173 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: hardware self-test failed\n",
174 __func__);
175 ecode = HAL_ESELFTEST;
176 goto bad;
177 }
178
179 /*
180 * Set correct Baseband to analog shift
181 * setting to access analog chips.
182 */
183 OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
184
185 /* Read Radio Chip Rev Extract */
186 AH_PRIVATE(ah)->ah_analog5GhzRev = ar5212GetRadioRev(ah);
187
188 rf = ath_hal_rfprobe(ah, &ecode);
189 if (rf == AH_NULL)
190 goto bad;
191 if (IS_RAD5112(ah) && !IS_RADX112_REV2(ah)) {
192 #ifdef AH_DEBUG
193 ath_hal_printf(ah, "%s: 5112 Rev 1 is not supported by this "
194 "driver (analog5GhzRev 0x%x)\n", __func__,
195 AH_PRIVATE(ah)->ah_analog5GhzRev);
196 #endif
197 ecode = HAL_ENOTSUPP;
198 goto bad;
199 }
200
201 ecode = ath_hal_legacyEepromAttach(ah);
202 if (ecode != HAL_OK) {
203 goto bad;
204 }
205
206 /*
207 * If Bmode and AR5212, verify 2.4 analog exists
208 */
209 if (ath_hal_eepromGetFlag(ah, AR_EEP_BMODE) &&
210 (AH_PRIVATE(ah)->ah_analog5GhzRev & 0xF0) == AR_RAD5111_SREV_MAJOR) {
211 /*
212 * Set correct Baseband to analog shift
213 * setting to access analog chips.
214 */
215 OS_REG_WRITE(ah, AR_PHY(0), 0x00004007);
216 OS_DELAY(2000);
217 AH_PRIVATE(ah)->ah_analog2GhzRev = ar5212GetRadioRev(ah);
218
219 /* Set baseband for 5GHz chip */
220 OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
221 OS_DELAY(2000);
222 if ((AH_PRIVATE(ah)->ah_analog2GhzRev & 0xF0) != AR_RAD2111_SREV_MAJOR) {
223 #ifdef AH_DEBUG
224 ath_hal_printf(ah, "%s: 2G Radio Chip Rev 0x%02X is not "
225 "supported by this driver\n", __func__,
226 AH_PRIVATE(ah)->ah_analog2GhzRev);
227 #endif
228 ecode = HAL_ENOTSUPP;
229 goto bad;
230 }
231 }
232
233 ecode = ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, &eeval);
234 if (ecode != HAL_OK) {
235 HALDEBUG(ah, HAL_DEBUG_ANY,
236 "%s: cannot read regulatory domain from EEPROM\n",
237 __func__);
238 goto bad;
239 }
240 AH_PRIVATE(ah)->ah_currentRD = eeval;
241 /* XXX record serial number */
242
243 /* XXX other capabilities */
244 /*
245 * Got everything we need now to setup the capabilities.
246 */
247 if (!ar5212FillCapabilityInfo(ah)) {
248 HALDEBUG(ah, HAL_DEBUG_ANY,
249 "%s: failed ar5212FillCapabilityInfo\n", __func__);
250 ecode = HAL_EEREAD;
251 goto bad;
252 }
253
254 if (!rf->attach(ah, &ecode)) {
255 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RF setup failed, status %u\n",
256 __func__, ecode);
257 goto bad;
258 }
259 /* arrange a direct call instead of thunking */
260 AH_PRIVATE(ah)->ah_getNfAdjust = ahp->ah_rfHal->getNfAdjust;
261
262 /* Initialize gain ladder thermal calibration structure */
263 ar5212InitializeGainValues(ah);
264
265 /* BSP specific call for MAC address of this WMAC device */
266 if (!ar5312GetMacAddr(ah)) {
267 ecode = HAL_EEBADMAC;
268 goto bad;
269 }
270
271 ar5312AniSetup(ah);
272 ar5212InitNfCalHistBuffer(ah);
273
274 /* XXX EAR stuff goes here */
275 return ah;
276
277 bad:
278 if (ahp)
279 ar5212Detach((struct ath_hal *) ahp);
280 if (status)
281 *status = ecode;
282 return AH_NULL;
283 }
284
285 static HAL_BOOL
ar5312GetMacAddr(struct ath_hal * ah)286 ar5312GetMacAddr(struct ath_hal *ah)
287 {
288 const struct ar531x_boarddata *board = AR5312_BOARDCONFIG(ah);
289 int wlanNum = AR5312_UNIT(ah);
290 const uint8_t *macAddr;
291
292 switch (wlanNum) {
293 case 0:
294 macAddr = board->wlan0Mac;
295 break;
296 case 1:
297 macAddr = board->wlan1Mac;
298 break;
299 default:
300 #ifdef AH_DEBUG
301 ath_hal_printf(ah, "Invalid WLAN wmac index (%d)\n",
302 wlanNum);
303 #endif
304 return AH_FALSE;
305 }
306 OS_MEMCPY(AH5212(ah)->ah_macaddr, macAddr, 6);
307 return AH_TRUE;
308 }
309
310 static const char*
ar5312Probe(uint16_t vendorid,uint16_t devid)311 ar5312Probe(uint16_t vendorid, uint16_t devid)
312 {
313 if (vendorid == ATHEROS_VENDOR_ID) {
314 switch (devid) {
315 case AR5212_AR5312_REV2:
316 case AR5212_AR5312_REV7:
317 return "Atheros 5312 WiSoC";
318 case AR5212_AR2313_REV8:
319 return "Atheros 2313 WiSoC";
320 case AR5212_AR2315_REV6:
321 case AR5212_AR2315_REV7:
322 return "Atheros 2315 WiSoC";
323 case AR5212_AR2317_REV1:
324 case AR5212_AR2317_REV2:
325 return "Atheros 2317 WiSoC";
326 case AR5212_AR2413:
327 return "Atheros 2413";
328 case AR5212_AR2417:
329 return "Atheros 2417";
330 }
331 }
332 return AH_NULL;
333 }
334 AH_CHIP(AR5312, ar5312Probe, ar5312Attach);
335