2 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
3 * Copyright (c) 2002-2004 Atheros Communications, Inc.
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.
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.
22 #include "ah_internal.h"
25 #include "ar5210/ar5210.h"
26 #include "ar5210/ar5210reg.h"
27 #include "ar5210/ar5210phy.h"
29 #include "ah_eeprom_v1.h"
31 static HAL_BOOL ar5210GetChannelEdges(struct ath_hal *,
32 uint16_t flags, uint16_t *low, uint16_t *high);
33 static HAL_BOOL ar5210GetChipPowerLimits(struct ath_hal *ah,
34 struct ieee80211_channel *chan);
36 static void ar5210ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore);
37 static void ar5210DisablePCIE(struct ath_hal *ah);
39 static const struct ath_hal_private ar5210hal = {{
40 .ah_magic = AR5210_MAGIC,
42 .ah_getRateTable = ar5210GetRateTable,
43 .ah_detach = ar5210Detach,
46 .ah_reset = ar5210Reset,
47 .ah_phyDisable = ar5210PhyDisable,
48 .ah_disable = ar5210Disable,
49 .ah_configPCIE = ar5210ConfigPCIE,
50 .ah_disablePCIE = ar5210DisablePCIE,
51 .ah_setPCUConfig = ar5210SetPCUConfig,
52 .ah_perCalibration = ar5210PerCalibration,
53 .ah_perCalibrationN = ar5210PerCalibrationN,
54 .ah_resetCalValid = ar5210ResetCalValid,
55 .ah_setTxPowerLimit = ar5210SetTxPowerLimit,
56 .ah_getChanNoise = ath_hal_getChanNoise,
58 /* Transmit functions */
59 .ah_updateTxTrigLevel = ar5210UpdateTxTrigLevel,
60 .ah_setupTxQueue = ar5210SetupTxQueue,
61 .ah_setTxQueueProps = ar5210SetTxQueueProps,
62 .ah_getTxQueueProps = ar5210GetTxQueueProps,
63 .ah_releaseTxQueue = ar5210ReleaseTxQueue,
64 .ah_resetTxQueue = ar5210ResetTxQueue,
65 .ah_getTxDP = ar5210GetTxDP,
66 .ah_setTxDP = ar5210SetTxDP,
67 .ah_numTxPending = ar5210NumTxPending,
68 .ah_startTxDma = ar5210StartTxDma,
69 .ah_stopTxDma = ar5210StopTxDma,
70 .ah_setupTxDesc = ar5210SetupTxDesc,
71 .ah_setupXTxDesc = ar5210SetupXTxDesc,
72 .ah_fillTxDesc = ar5210FillTxDesc,
73 .ah_procTxDesc = ar5210ProcTxDesc,
74 .ah_getTxIntrQueue = ar5210GetTxIntrQueue,
75 .ah_reqTxIntrDesc = ar5210IntrReqTxDesc,
78 .ah_getRxDP = ar5210GetRxDP,
79 .ah_setRxDP = ar5210SetRxDP,
80 .ah_enableReceive = ar5210EnableReceive,
81 .ah_stopDmaReceive = ar5210StopDmaReceive,
82 .ah_startPcuReceive = ar5210StartPcuReceive,
83 .ah_stopPcuReceive = ar5210StopPcuReceive,
84 .ah_setMulticastFilter = ar5210SetMulticastFilter,
85 .ah_setMulticastFilterIndex = ar5210SetMulticastFilterIndex,
86 .ah_clrMulticastFilterIndex = ar5210ClrMulticastFilterIndex,
87 .ah_getRxFilter = ar5210GetRxFilter,
88 .ah_setRxFilter = ar5210SetRxFilter,
89 .ah_setupRxDesc = ar5210SetupRxDesc,
90 .ah_procRxDesc = ar5210ProcRxDesc,
91 .ah_rxMonitor = ar5210AniPoll,
92 .ah_procMibEvent = ar5210MibEvent,
95 .ah_getCapability = ar5210GetCapability,
96 .ah_setCapability = ar5210SetCapability,
97 .ah_getDiagState = ar5210GetDiagState,
98 .ah_getMacAddress = ar5210GetMacAddress,
99 .ah_setMacAddress = ar5210SetMacAddress,
100 .ah_getBssIdMask = ar5210GetBssIdMask,
101 .ah_setBssIdMask = ar5210SetBssIdMask,
102 .ah_setRegulatoryDomain = ar5210SetRegulatoryDomain,
103 .ah_setLedState = ar5210SetLedState,
104 .ah_writeAssocid = ar5210WriteAssocid,
105 .ah_gpioCfgInput = ar5210GpioCfgInput,
106 .ah_gpioCfgOutput = ar5210GpioCfgOutput,
107 .ah_gpioGet = ar5210GpioGet,
108 .ah_gpioSet = ar5210GpioSet,
109 .ah_gpioSetIntr = ar5210Gpio0SetIntr,
110 .ah_getTsf32 = ar5210GetTsf32,
111 .ah_getTsf64 = ar5210GetTsf64,
112 .ah_resetTsf = ar5210ResetTsf,
113 .ah_detectCardPresent = ar5210DetectCardPresent,
114 .ah_updateMibCounters = ar5210UpdateMibCounters,
115 .ah_getRfGain = ar5210GetRfgain,
116 .ah_getDefAntenna = ar5210GetDefAntenna,
117 .ah_setDefAntenna = ar5210SetDefAntenna,
118 .ah_getAntennaSwitch = ar5210GetAntennaSwitch,
119 .ah_setAntennaSwitch = ar5210SetAntennaSwitch,
120 .ah_setSifsTime = ar5210SetSifsTime,
121 .ah_getSifsTime = ar5210GetSifsTime,
122 .ah_setSlotTime = ar5210SetSlotTime,
123 .ah_getSlotTime = ar5210GetSlotTime,
124 .ah_setAckTimeout = ar5210SetAckTimeout,
125 .ah_getAckTimeout = ar5210GetAckTimeout,
126 .ah_setAckCTSRate = ar5210SetAckCTSRate,
127 .ah_getAckCTSRate = ar5210GetAckCTSRate,
128 .ah_setCTSTimeout = ar5210SetCTSTimeout,
129 .ah_getCTSTimeout = ar5210GetCTSTimeout,
130 .ah_setDecompMask = ar5210SetDecompMask,
131 .ah_setCoverageClass = ar5210SetCoverageClass,
133 /* Key Cache Functions */
134 .ah_getKeyCacheSize = ar5210GetKeyCacheSize,
135 .ah_resetKeyCacheEntry = ar5210ResetKeyCacheEntry,
136 .ah_isKeyCacheEntryValid = ar5210IsKeyCacheEntryValid,
137 .ah_setKeyCacheEntry = ar5210SetKeyCacheEntry,
138 .ah_setKeyCacheEntryMac = ar5210SetKeyCacheEntryMac,
140 /* Power Management Functions */
141 .ah_setPowerMode = ar5210SetPowerMode,
142 .ah_getPowerMode = ar5210GetPowerMode,
144 /* Beacon Functions */
145 .ah_setBeaconTimers = ar5210SetBeaconTimers,
146 .ah_beaconInit = ar5210BeaconInit,
147 .ah_setStationBeaconTimers = ar5210SetStaBeaconTimers,
148 .ah_resetStationBeaconTimers = ar5210ResetStaBeaconTimers,
150 /* Interrupt Functions */
151 .ah_isInterruptPending = ar5210IsInterruptPending,
152 .ah_getPendingInterrupts = ar5210GetPendingInterrupts,
153 .ah_getInterrupts = ar5210GetInterrupts,
154 .ah_setInterrupts = ar5210SetInterrupts },
156 .ah_getChannelEdges = ar5210GetChannelEdges,
157 .ah_getWirelessModes = ar5210GetWirelessModes,
158 .ah_eepromRead = ar5210EepromRead,
159 #ifdef AH_SUPPORT_WRITE_EEPROM
160 .ah_eepromWrite = ar5210EepromWrite,
162 .ah_getChipPowerLimits = ar5210GetChipPowerLimits,
165 static HAL_BOOL ar5210FillCapabilityInfo(struct ath_hal *ah);
168 * Attach for an AR5210 part.
170 static struct ath_hal *
171 ar5210Attach(uint16_t devid, HAL_SOFTC sc, HAL_BUS_TAG st, HAL_BUS_HANDLE sh,
174 #define N(a) (sizeof(a)/sizeof(a[0]))
175 struct ath_hal_5210 *ahp;
177 uint32_t revid, pcicfg;
182 HALDEBUG(AH_NULL, HAL_DEBUG_ATTACH,
183 "%s: devid 0x%x sc %p st %p sh %p\n", __func__, devid,
184 sc, (void*) st, (void*) sh);
186 /* NB: memory is returned zero'd */
187 ahp = ath_hal_malloc(sizeof (struct ath_hal_5210));
188 if (ahp == AH_NULL) {
189 HALDEBUG(AH_NULL, HAL_DEBUG_ANY,
190 "%s: no memory for state block\n", __func__);
194 ah = &ahp->ah_priv.h;
195 /* set initial values */
196 OS_MEMCPY(&ahp->ah_priv, &ar5210hal, sizeof(struct ath_hal_private));
201 ah->ah_devid = devid; /* NB: for AH_DEBUG_ALQ */
202 AH_PRIVATE(ah)->ah_devid = devid;
203 AH_PRIVATE(ah)->ah_subvendorid = 0; /* XXX */
205 AH_PRIVATE(ah)->ah_powerLimit = AR5210_MAX_RATE_POWER;
206 AH_PRIVATE(ah)->ah_tpScale = HAL_TP_SCALE_MAX; /* no scaling */
208 ahp->ah_powerMode = HAL_PM_UNDEFINED;
209 ahp->ah_staId1Defaults = 0;
210 ahp->ah_rssiThr = INIT_RSSI_THR;
211 ahp->ah_sifstime = (u_int) -1;
212 ahp->ah_slottime = (u_int) -1;
213 ahp->ah_acktimeout = (u_int) -1;
214 ahp->ah_ctstimeout = (u_int) -1;
216 if (!ar5210ChipReset(ah, AH_NULL)) { /* reset chip */
217 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n",
223 /* Read Revisions from Chips */
224 AH_PRIVATE(ah)->ah_macVersion = 1;
225 AH_PRIVATE(ah)->ah_macRev = OS_REG_READ(ah, AR_SREV) & 0xff;
226 AH_PRIVATE(ah)->ah_phyRev = OS_REG_READ(ah, AR_PHY_CHIPID);
227 AH_PRIVATE(ah)->ah_analog2GhzRev = 0;
229 /* Read Radio Chip Rev Extract */
230 OS_REG_WRITE(ah, (AR_PHY_BASE + (0x34 << 2)), 0x00001c16);
231 for (i = 0; i < 4; i++)
232 OS_REG_WRITE(ah, (AR_PHY_BASE + (0x20 << 2)), 0x00010000);
233 revid = (OS_REG_READ(ah, AR_PHY_BASE + (256 << 2)) >> 28) & 0xf;
235 /* Chip labelling is 1 greater than revision register for AR5110 */
236 AH_PRIVATE(ah)->ah_analog5GhzRev = ath_hal_reverseBits(revid, 4) + 1;
239 * Read all the settings from the EEPROM and stash
240 * ones we'll use later.
242 pcicfg = OS_REG_READ(ah, AR_PCICFG);
243 OS_REG_WRITE(ah, AR_PCICFG, pcicfg | AR_PCICFG_EEPROMSEL);
244 ecode = ath_hal_v1EepromAttach(ah);
245 if (ecode != HAL_OK) {
248 ecode = ath_hal_eepromGet(ah, AR_EEP_REGDMN_0, &eeval);
249 if (ecode != HAL_OK) {
250 HALDEBUG(ah, HAL_DEBUG_ANY,
251 "%s: cannot read regulatory domain from EEPROM\n",
255 AH_PRIVATE(ah)->ah_currentRD = eeval;
256 ecode = ath_hal_eepromGet(ah, AR_EEP_MACADDR, ahp->ah_macaddr);
257 if (ecode != HAL_OK) {
258 HALDEBUG(ah, HAL_DEBUG_ANY,
259 "%s: error getting mac address from EEPROM\n", __func__);
262 OS_REG_WRITE(ah, AR_PCICFG, pcicfg); /* disable EEPROM access */
264 AH_PRIVATE(ah)->ah_getNfAdjust = ar5210GetNfAdjust;
267 * Got everything we need now to setup the capabilities.
269 (void) ar5210FillCapabilityInfo(ah);
271 HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s: return\n", __func__);
275 OS_REG_WRITE(ah, AR_PCICFG, pcicfg); /* disable EEPROM access */
286 ar5210Detach(struct ath_hal *ah)
288 HALDEBUG(ah, HAL_DEBUG_ATTACH, "%s:\n", __func__);
290 HALASSERT(ah != AH_NULL);
291 HALASSERT(ah->ah_magic == AR5210_MAGIC);
293 ath_hal_eepromDetach(ah);
298 * Store the channel edges for the requested operational mode
301 ar5210GetChannelEdges(struct ath_hal *ah,
302 uint16_t flags, uint16_t *low, uint16_t *high)
304 if (flags & IEEE80211_CHAN_5GHZ) {
314 ar5210GetChipPowerLimits(struct ath_hal *ah, struct ieee80211_channel *chan)
316 /* XXX fill in, this is just a placeholder */
317 HALDEBUG(ah, HAL_DEBUG_ATTACH,
318 "%s: no min/max power for %u/0x%x\n",
319 __func__, chan->ic_freq, chan->ic_flags);
320 chan->ic_maxpower = AR5210_MAX_RATE_POWER;
321 chan->ic_minpower = 0;
326 ar5210ConfigPCIE(struct ath_hal *ah, HAL_BOOL restore)
331 ar5210DisablePCIE(struct ath_hal *ah)
336 * Fill all software cached or static hardware state information.
339 ar5210FillCapabilityInfo(struct ath_hal *ah)
341 struct ath_hal_private *ahpriv = AH_PRIVATE(ah);
342 HAL_CAPABILITIES *pCap = &ahpriv->ah_caps;
344 pCap->halWirelessModes |= HAL_MODE_11A;
346 pCap->halLow5GhzChan = 5120;
347 pCap->halHigh5GhzChan = 5430;
349 pCap->halSleepAfterBeaconBroken = AH_TRUE;
350 pCap->halPSPollBroken = AH_FALSE;
352 pCap->halTotalQueues = HAL_NUM_TX_QUEUES;
353 pCap->halKeyCacheSize = 64;
356 pCap->halChanHalfRate = AH_FALSE;
357 pCap->halChanQuarterRate = AH_FALSE;
359 if (ath_hal_eepromGetFlag(ah, AR_EEP_RFKILL)) {
361 * Setup initial rfsilent settings based on the EEPROM
362 * contents. Pin 0, polarity 0 is fixed; record this
363 * using the EEPROM format found in later parts.
365 ahpriv->ah_rfsilent = SM(0, AR_EEPROM_RFSILENT_GPIO_SEL)
366 | SM(0, AR_EEPROM_RFSILENT_POLARITY);
367 ahpriv->ah_rfkillEnabled = AH_TRUE;
368 pCap->halRfSilentSupport = AH_TRUE;
371 pCap->halTstampPrecision = 15; /* NB: s/w extended from 13 */
372 pCap->halIntrMask = (HAL_INT_COMMON - HAL_INT_BNR)
378 ahpriv->ah_rxornIsFatal = AH_TRUE;
383 ar5210Probe(uint16_t vendorid, uint16_t devid)
385 if (vendorid == ATHEROS_VENDOR_ID &&
386 (devid == AR5210_PROD || devid == AR5210_DEFAULT))
387 return "Atheros 5210";
390 AH_CHIP(AR5210, ar5210Probe, ar5210Attach);