2 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
3 * Copyright (c) 2002-2008 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 "ah_eeprom_v14.h"
27 #include "ar5416/ar5416.h"
28 #include "ar5416/ar5416reg.h"
29 #include "ar5416/ar5416phy.h"
31 /* Eeprom versioning macros. Returns true if the version is equal or newer than the ver specified */
32 #define EEP_MINOR(_ah) \
33 (AH_PRIVATE(_ah)->ah_eeversion & AR5416_EEP_VER_MINOR_MASK)
34 #define IS_EEP_MINOR_V2(_ah) (EEP_MINOR(_ah) >= AR5416_EEP_MINOR_VER_2)
35 #define IS_EEP_MINOR_V3(_ah) (EEP_MINOR(_ah) >= AR5416_EEP_MINOR_VER_3)
37 /* Additional Time delay to wait after activiting the Base band */
38 #define BASE_ACTIVATE_DELAY 100 /* 100 usec */
39 #define PLL_SETTLE_DELAY 300 /* 300 usec */
40 #define RTC_PLL_SETTLE_DELAY 1000 /* 1 ms */
42 static void ar5416InitDMA(struct ath_hal *ah);
43 static void ar5416InitBB(struct ath_hal *ah, const struct ieee80211_channel *);
44 static void ar5416InitIMR(struct ath_hal *ah, HAL_OPMODE opmode);
45 static void ar5416InitQoS(struct ath_hal *ah);
46 static void ar5416InitUserSettings(struct ath_hal *ah);
48 static HAL_BOOL ar5416SetTransmitPower(struct ath_hal *ah,
49 const struct ieee80211_channel *chan, uint16_t *rfXpdGain);
52 static HAL_BOOL ar5416ChannelChange(struct ath_hal *, const struct ieee80211_channel *);
54 static void ar5416SetDeltaSlope(struct ath_hal *, const struct ieee80211_channel *);
56 static HAL_BOOL ar5416SetResetPowerOn(struct ath_hal *ah);
57 static HAL_BOOL ar5416SetReset(struct ath_hal *ah, int type);
58 static void ar5416InitPLL(struct ath_hal *ah, const struct ieee80211_channel *chan);
59 static HAL_BOOL ar5416SetBoardValues(struct ath_hal *, const struct ieee80211_channel *);
60 static HAL_BOOL ar5416SetPowerPerRateTable(struct ath_hal *ah,
61 struct ar5416eeprom *pEepData,
62 const struct ieee80211_channel *chan, int16_t *ratesArray,
63 uint16_t cfgCtl, uint16_t AntennaReduction,
64 uint16_t twiceMaxRegulatoryPower,
66 static HAL_BOOL ar5416SetPowerCalTable(struct ath_hal *ah,
67 struct ar5416eeprom *pEepData,
68 const struct ieee80211_channel *chan,
69 int16_t *pTxPowerIndexOffset);
70 static uint16_t ar5416GetMaxEdgePower(uint16_t freq,
71 CAL_CTL_EDGES *pRdEdgesPower, HAL_BOOL is2GHz);
72 static void ar5416GetTargetPowers(struct ath_hal *ah,
73 const struct ieee80211_channel *chan, CAL_TARGET_POWER_HT *powInfo,
74 uint16_t numChannels, CAL_TARGET_POWER_HT *pNewPower,
75 uint16_t numRates, HAL_BOOL isHt40Target);
76 static void ar5416GetTargetPowersLeg(struct ath_hal *ah,
77 const struct ieee80211_channel *chan, CAL_TARGET_POWER_LEG *powInfo,
78 uint16_t numChannels, CAL_TARGET_POWER_LEG *pNewPower,
79 uint16_t numRates, HAL_BOOL isExtTarget);
81 static int16_t interpolate(uint16_t target, uint16_t srcLeft,
82 uint16_t srcRight, int16_t targetLeft, int16_t targetRight);
83 static void ar5416Set11nRegs(struct ath_hal *ah, const struct ieee80211_channel *chan);
84 static void ar5416GetGainBoundariesAndPdadcs(struct ath_hal *ah,
85 const struct ieee80211_channel *chan, CAL_DATA_PER_FREQ *pRawDataSet,
86 uint8_t * bChans, uint16_t availPiers,
87 uint16_t tPdGainOverlap, int16_t *pMinCalPower,
88 uint16_t * pPdGainBoundaries, uint8_t * pPDADCValues,
89 uint16_t numXpdGains);
90 static HAL_BOOL getLowerUpperIndex(uint8_t target, uint8_t *pList,
91 uint16_t listSize, uint16_t *indexL, uint16_t *indexR);
92 static HAL_BOOL ar5416FillVpdTable(uint8_t pwrMin, uint8_t pwrMax,
93 uint8_t *pPwrList, uint8_t *pVpdList,
94 uint16_t numIntercepts, uint8_t *pRetVpdList);
97 * Places the device in and out of reset and then places sane
98 * values in the registers based on EEPROM config, initialization
99 * vectors (as determined by the mode), and station configuration
101 * bChannelChange is used to preserve DMA/PCU registers across
102 * a HW Reset during channel change.
105 ar5416Reset(struct ath_hal *ah, HAL_OPMODE opmode,
106 struct ieee80211_channel *chan,
107 HAL_BOOL bChannelChange, HAL_STATUS *status)
109 #define N(a) (sizeof (a) / sizeof (a[0]))
110 #define FAIL(_code) do { ecode = _code; goto bad; } while (0)
111 struct ath_hal_5212 *ahp = AH5212(ah);
112 HAL_CHANNEL_INTERNAL *ichan;
113 uint32_t saveDefAntenna, saveLedState;
115 uint16_t rfXpdGain[2];
117 uint32_t powerVal, rssiThrReg;
118 uint32_t ackTpcPow, ctsTpcPow, chirpTpcPow;
121 OS_MARK(ah, AH_MARK_RESET, bChannelChange);
123 /* Bring out of sleep mode */
124 if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE)) {
125 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip did not wakeup\n",
131 * Map public channel to private.
133 ichan = ath_hal_checkchannel(ah, chan);
134 if (ichan == AH_NULL)
143 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: invalid operating mode %u\n",
148 HALASSERT(AH_PRIVATE(ah)->ah_eeversion >= AR_EEPROM_VER14_1);
150 /* XXX Turn on fast channel change for 5416 */
152 * Preserve the bmiss rssi threshold and count threshold
155 rssiThrReg = OS_REG_READ(ah, AR_RSSI_THR);
156 /* If reg is zero, first time thru set to default val */
158 rssiThrReg = INIT_RSSI_THR;
161 * Preserve the antenna on a channel change
163 saveDefAntenna = OS_REG_READ(ah, AR_DEF_ANTENNA);
164 if (saveDefAntenna == 0) /* XXX magic constants */
167 /* Save hardware flag before chip reset clears the register */
168 macStaId1 = OS_REG_READ(ah, AR_STA_ID1) &
169 (AR_STA_ID1_BASE_RATE_11B | AR_STA_ID1_USE_DEFANT);
171 /* Save led state from pci config register */
172 saveLedState = OS_REG_READ(ah, AR_MAC_LED) &
173 (AR_MAC_LED_ASSOC | AR_MAC_LED_MODE |
174 AR_MAC_LED_BLINK_THRESH_SEL | AR_MAC_LED_BLINK_SLOW);
176 if (!ar5416ChipReset(ah, chan)) {
177 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: chip reset failed\n", __func__);
181 /* Restore bmiss rssi & count thresholds */
182 OS_REG_WRITE(ah, AR_RSSI_THR, rssiThrReg);
184 OS_MARK(ah, AH_MARK_RESET_LINE, __LINE__);
186 AH5416(ah)->ah_writeIni(ah, chan);
188 /* Setup 11n MAC/Phy mode registers */
189 ar5416Set11nRegs(ah, chan);
191 OS_MARK(ah, AH_MARK_RESET_LINE, __LINE__);
193 HALDEBUG(ah, HAL_DEBUG_RESET, ">>>2 %s: AR_PHY_DAG_CTRLCCK=0x%x\n",
194 __func__, OS_REG_READ(ah,AR_PHY_DAG_CTRLCCK));
195 HALDEBUG(ah, HAL_DEBUG_RESET, ">>>2 %s: AR_PHY_ADC_CTL=0x%x\n",
196 __func__, OS_REG_READ(ah,AR_PHY_ADC_CTL));
198 /* Set the mute mask to the correct default */
199 if (AH_PRIVATE(ah)->ah_phyRev >= AR_PHY_CHIP_ID_REV_2)
200 OS_REG_WRITE(ah, AR_SEQ_MASK, 0x0000000F);
202 if (AH_PRIVATE(ah)->ah_phyRev >= AR_PHY_CHIP_ID_REV_3) {
203 /* Clear reg to alllow RX_CLEAR line debug */
204 OS_REG_WRITE(ah, AR_PHY_BLUETOOTH, 0);
206 if (AH_PRIVATE(ah)->ah_phyRev >= AR_PHY_CHIP_ID_REV_4) {
208 /* Enable burst prefetch for the data queues */
209 OS_REG_RMW_FIELD(ah, AR_D_FPCTL, ... );
210 /* Enable double-buffering */
211 OS_REG_CLR_BIT(ah, AR_TXCFG, AR_TXCFG_DBL_BUF_DIS);
215 /* Set ADC/DAC select values */
216 OS_REG_WRITE(ah, AR_PHY_SLEEP_SCAL, 0x0e);
218 if (AH5416(ah)->ah_rx_chainmask == 0x5 ||
219 AH5416(ah)->ah_tx_chainmask == 0x5)
220 OS_REG_WRITE(ah, AR_PHY_ANALOG_SWAP, AR_PHY_SWAP_ALT_CHAIN);
221 /* Setup Chain Masks */
222 OS_REG_WRITE(ah, AR_PHY_RX_CHAINMASK, AH5416(ah)->ah_rx_chainmask);
223 OS_REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, AH5416(ah)->ah_rx_chainmask);
224 OS_REG_WRITE(ah, AR_SELFGEN_MASK, AH5416(ah)->ah_tx_chainmask);
226 /* Setup the transmit power values. */
227 if (!ar5416SetTransmitPower(ah, chan, rfXpdGain)) {
228 HALDEBUG(ah, HAL_DEBUG_ANY,
229 "%s: error init'ing transmit power\n", __func__);
233 /* Write the analog registers */
234 if (!ahp->ah_rfHal->setRfRegs(ah, chan,
235 IEEE80211_IS_CHAN_2GHZ(chan) ? 2: 1, rfXpdGain)) {
236 HALDEBUG(ah, HAL_DEBUG_ANY,
237 "%s: ar5212SetRfRegs failed\n", __func__);
241 /* Write delta slope for OFDM enabled modes (A, G, Turbo) */
242 if (IEEE80211_IS_CHAN_OFDM(chan)|| IEEE80211_IS_CHAN_HT(chan))
243 ar5416SetDeltaSlope(ah, chan);
245 AH5416(ah)->ah_spurMitigate(ah, chan);
247 /* Setup board specific options for EEPROM version 3 */
248 if (!ar5416SetBoardValues(ah, chan)) {
249 HALDEBUG(ah, HAL_DEBUG_ANY,
250 "%s: error setting board options\n", __func__);
254 OS_MARK(ah, AH_MARK_RESET_LINE, __LINE__);
256 OS_REG_WRITE(ah, AR_STA_ID0, LE_READ_4(ahp->ah_macaddr));
257 OS_REG_WRITE(ah, AR_STA_ID1, LE_READ_2(ahp->ah_macaddr + 4)
259 | AR_STA_ID1_RTS_USE_DEF
260 | ahp->ah_staId1Defaults
262 ar5212SetOperatingMode(ah, opmode);
264 /* Set Venice BSSID mask according to current state */
265 OS_REG_WRITE(ah, AR_BSSMSKL, LE_READ_4(ahp->ah_bssidmask));
266 OS_REG_WRITE(ah, AR_BSSMSKU, LE_READ_2(ahp->ah_bssidmask + 4));
268 /* Restore previous led state */
269 OS_REG_WRITE(ah, AR_MAC_LED, OS_REG_READ(ah, AR_MAC_LED) | saveLedState);
271 /* Restore previous antenna */
272 OS_REG_WRITE(ah, AR_DEF_ANTENNA, saveDefAntenna);
275 OS_REG_WRITE(ah, AR_BSS_ID0, LE_READ_4(ahp->ah_bssid));
276 OS_REG_WRITE(ah, AR_BSS_ID1, LE_READ_2(ahp->ah_bssid + 4));
278 /* Restore bmiss rssi & count thresholds */
279 OS_REG_WRITE(ah, AR_RSSI_THR, ahp->ah_rssiThr);
281 OS_REG_WRITE(ah, AR_ISR, ~0); /* cleared on write */
283 if (!ar5212SetChannel(ah, chan))
286 OS_MARK(ah, AH_MARK_RESET_LINE, __LINE__);
288 /* Set 1:1 QCU to DCU mapping for all queues */
289 for (i = 0; i < AR_NUM_DCU; i++)
290 OS_REG_WRITE(ah, AR_DQCUMASK(i), 1 << i);
292 ahp->ah_intrTxqs = 0;
293 for (i = 0; i < AH_PRIVATE(ah)->ah_caps.halTotalQueues; i++)
294 ar5212ResetTxQueue(ah, i);
296 ar5416InitIMR(ah, opmode);
297 ar5212SetCoverageClass(ah, AH_PRIVATE(ah)->ah_coverageClass, 1);
299 ar5416InitUserSettings(ah);
302 * disable seq number generation in hw
304 OS_REG_WRITE(ah, AR_STA_ID1,
305 OS_REG_READ(ah, AR_STA_ID1) | AR_STA_ID1_PRESERVE_SEQNUM);
310 * program OBS bus to see MAC interrupts
312 OS_REG_WRITE(ah, AR_OBS, 8);
314 #ifdef AR5416_INT_MITIGATION
315 OS_REG_WRITE(ah, AR_MIRT, 0);
316 OS_REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_LAST, 500);
317 OS_REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_FIRST, 2000);
320 ar5416InitBB(ah, chan);
322 /* Setup compression registers */
323 ar5212SetCompRegs(ah); /* XXX not needed? */
326 * 5416 baseband will check the per rate power table
327 * and select the lower of the two
332 powerVal = SM(ackTpcPow, AR_TPC_ACK) |
333 SM(ctsTpcPow, AR_TPC_CTS) |
334 SM(chirpTpcPow, AR_TPC_CHIRP);
335 OS_REG_WRITE(ah, AR_TPC, powerVal);
337 if (!ar5416InitCal(ah, chan))
340 AH_PRIVATE(ah)->ah_opmode = opmode; /* record operating mode */
342 if (bChannelChange && !IEEE80211_IS_CHAN_DFS(chan))
343 chan->ic_state &= ~IEEE80211_CHANSTATE_CWINT;
345 HALDEBUG(ah, HAL_DEBUG_RESET, "%s: done\n", __func__);
347 OS_MARK(ah, AH_MARK_RESET_DONE, 0);
351 OS_MARK(ah, AH_MARK_RESET_DONE, ecode);
352 if (status != AH_NULL)
361 * This channel change evaluates whether the selected hardware can
362 * perform a synthesizer-only channel change (no reset). If the
363 * TX is not stopped, or the RFBus cannot be granted in the given
364 * time, the function returns false as a reset is necessary
367 ar5416ChannelChange(struct ath_hal *ah, const structu ieee80211_channel *chan)
370 uint32_t data, synthDelay, qnum;
371 uint16_t rfXpdGain[4];
372 struct ath_hal_5212 *ahp = AH5212(ah);
373 HAL_CHANNEL_INTERNAL *ichan;
376 * Map public channel to private.
378 ichan = ath_hal_checkchannel(ah, chan);
380 /* TX must be stopped or RF Bus grant will not work */
381 for (qnum = 0; qnum < AH_PRIVATE(ah)->ah_caps.halTotalQueues; qnum++) {
382 if (ar5212NumTxPending(ah, qnum)) {
383 HALDEBUG(ah, HAL_DEBUG_ANY,
384 "%s: frames pending on queue %d\n", __func__, qnum);
390 * Kill last Baseband Rx Frame - Request analog bus grant
392 OS_REG_WRITE(ah, AR_PHY_RFBUS_REQ, AR_PHY_RFBUS_REQ_REQUEST);
393 if (!ath_hal_wait(ah, AR_PHY_RFBUS_GNT, AR_PHY_RFBUS_GRANT_EN, AR_PHY_RFBUS_GRANT_EN)) {
394 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: could not kill baseband rx\n",
399 ar5416Set11nRegs(ah, chan); /* NB: setup 5416-specific regs */
401 /* Change the synth */
402 if (!ar5212SetChannel(ah, chan))
405 /* Setup the transmit power values. */
406 if (!ar5416SetTransmitPower(ah, chan, rfXpdGain)) {
407 HALDEBUG(ah, HAL_DEBUG_ANY,
408 "%s: error init'ing transmit power\n", __func__);
413 * Wait for the frequency synth to settle (synth goes on
414 * via PHY_ACTIVE_EN). Read the phy active delay register.
415 * Value is in 100ns increments.
417 data = OS_REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
418 if (IS_CHAN_CCK(ichan)) {
419 synthDelay = (4 * data) / 22;
421 synthDelay = data / 10;
424 OS_DELAY(synthDelay + BASE_ACTIVATE_DELAY);
426 /* Release the RFBus Grant */
427 OS_REG_WRITE(ah, AR_PHY_RFBUS_REQ, 0);
429 /* Write delta slope for OFDM enabled modes (A, G, Turbo) */
430 if (IEEE80211_IS_CHAN_OFDM(ichan)|| IEEE80211_IS_CHAN_HT(chan)) {
431 HALASSERT(AH_PRIVATE(ah)->ah_eeversion >= AR_EEPROM_VER5_3);
432 ar5212SetSpurMitigation(ah, chan);
433 ar5416SetDeltaSlope(ah, chan);
436 /* XXX spur mitigation for Melin */
438 if (!IEEE80211_IS_CHAN_DFS(chan))
439 chan->ic_state &= ~IEEE80211_CHANSTATE_CWINT;
441 ichan->channel_time = 0;
442 ichan->tsf_last = ar5212GetTsf64(ah);
443 ar5212TxEnable(ah, AH_TRUE);
449 ar5416InitDMA(struct ath_hal *ah)
453 * set AHB_MODE not to do cacheline prefetches
455 OS_REG_SET_BIT(ah, AR_AHB_MODE, AR_AHB_PREFETCH_RD_EN);
458 * let mac dma reads be in 128 byte chunks
460 OS_REG_WRITE(ah, AR_TXCFG,
461 (OS_REG_READ(ah, AR_TXCFG) & ~AR_TXCFG_DMASZ_MASK) | AR_TXCFG_DMASZ_128B);
464 * let mac dma writes be in 128 byte chunks
466 OS_REG_WRITE(ah, AR_RXCFG,
467 (OS_REG_READ(ah, AR_RXCFG) & ~AR_RXCFG_DMASZ_MASK) | AR_RXCFG_DMASZ_128B);
469 /* XXX restore TX trigger level */
472 * Setup receive FIFO threshold to hold off TX activities
474 OS_REG_WRITE(ah, AR_RXFIFO_CFG, 0x200);
477 * reduce the number of usable entries in PCU TXBUF to avoid
480 OS_REG_WRITE(ah, AR_PCU_TXBUF_CTRL, AR_PCU_TXBUF_CTRL_USABLE_SIZE);
484 ar5416InitBB(struct ath_hal *ah, const struct ieee80211_channel *chan)
489 * Wait for the frequency synth to settle (synth goes on
490 * via AR_PHY_ACTIVE_EN). Read the phy active delay register.
491 * Value is in 100ns increments.
493 synthDelay = OS_REG_READ(ah, AR_PHY_RX_DELAY) & AR_PHY_RX_DELAY_DELAY;
494 if (IEEE80211_IS_CHAN_CCK(chan)) {
495 synthDelay = (4 * synthDelay) / 22;
500 /* Turn on PLL on 5416 */
501 HALDEBUG(ah, HAL_DEBUG_RESET, "%s %s channel\n",
502 __func__, IEEE80211_IS_CHAN_5GHZ(chan) ? "5GHz" : "2GHz");
503 ar5416InitPLL(ah, chan);
505 /* Activate the PHY (includes baseband activate and synthesizer on) */
506 OS_REG_WRITE(ah, AR_PHY_ACTIVE, AR_PHY_ACTIVE_EN);
509 * If the AP starts the calibration before the base band timeout
510 * completes we could get rx_clear false triggering. Add an
511 * extra BASE_ACTIVATE_DELAY usecs to ensure this condition
514 if (IEEE80211_IS_CHAN_HALF(chan)) {
515 OS_DELAY((synthDelay << 1) + BASE_ACTIVATE_DELAY);
516 } else if (IEEE80211_IS_CHAN_QUARTER(chan)) {
517 OS_DELAY((synthDelay << 2) + BASE_ACTIVATE_DELAY);
519 OS_DELAY(synthDelay + BASE_ACTIVATE_DELAY);
524 ar5416InitIMR(struct ath_hal *ah, HAL_OPMODE opmode)
526 struct ath_hal_5212 *ahp = AH5212(ah);
529 * Setup interrupt handling. Note that ar5212ResetTxQueue
530 * manipulates the secondary IMR's as queues are enabled
531 * and disabled. This is done with RMW ops to insure the
532 * settings we make here are preserved.
534 ahp->ah_maskReg = AR_IMR_TXERR | AR_IMR_TXURN
535 | AR_IMR_RXERR | AR_IMR_RXORN
538 #ifdef AR5416_INT_MITIGATION
539 ahp->ah_maskReg |= AR_IMR_TXINTM | AR_IMR_RXINTM
540 | AR_IMR_TXMINTR | AR_IMR_RXMINTR;
542 ahp->ah_maskReg |= AR_IMR_TXOK | AR_IMR_RXOK;
544 if (opmode == HAL_M_HOSTAP)
545 ahp->ah_maskReg |= AR_IMR_MIB;
546 OS_REG_WRITE(ah, AR_IMR, ahp->ah_maskReg);
547 /* Enable bus errors that are OR'd to set the HIUERR bit */
549 OS_REG_WRITE(ah, AR_IMR_S2,
550 OS_REG_READ(ah, AR_IMR_S2) | AR_IMR_S2_GTT | AR_IMR_S2_CST);
555 ar5416InitQoS(struct ath_hal *ah)
558 OS_REG_WRITE(ah, AR_QOS_CONTROL, 0x100aa); /* XXX magic */
559 OS_REG_WRITE(ah, AR_QOS_SELECT, 0x3210); /* XXX magic */
561 /* Turn on NOACK Support for QoS packets */
562 OS_REG_WRITE(ah, AR_NOACK,
563 SM(2, AR_NOACK_2BIT_VALUE) |
564 SM(5, AR_NOACK_BIT_OFFSET) |
565 SM(0, AR_NOACK_BYTE_OFFSET));
568 * initialize TXOP for all TIDs
570 OS_REG_WRITE(ah, AR_TXOP_X, AR_TXOP_X_VAL);
571 OS_REG_WRITE(ah, AR_TXOP_0_3, 0xFFFFFFFF);
572 OS_REG_WRITE(ah, AR_TXOP_4_7, 0xFFFFFFFF);
573 OS_REG_WRITE(ah, AR_TXOP_8_11, 0xFFFFFFFF);
574 OS_REG_WRITE(ah, AR_TXOP_12_15, 0xFFFFFFFF);
578 ar5416InitUserSettings(struct ath_hal *ah)
580 struct ath_hal_5212 *ahp = AH5212(ah);
582 /* Restore user-specified settings */
583 if (ahp->ah_miscMode != 0)
584 OS_REG_WRITE(ah, AR_MISC_MODE, ahp->ah_miscMode);
585 if (ahp->ah_sifstime != (u_int) -1)
586 ar5212SetSifsTime(ah, ahp->ah_sifstime);
587 if (ahp->ah_slottime != (u_int) -1)
588 ar5212SetSlotTime(ah, ahp->ah_slottime);
589 if (ahp->ah_acktimeout != (u_int) -1)
590 ar5212SetAckTimeout(ah, ahp->ah_acktimeout);
591 if (ahp->ah_ctstimeout != (u_int) -1)
592 ar5212SetCTSTimeout(ah, ahp->ah_ctstimeout);
593 if (AH_PRIVATE(ah)->ah_diagreg != 0)
594 OS_REG_WRITE(ah, AR_DIAG_SW, AH_PRIVATE(ah)->ah_diagreg);
596 if (ahp->ah_globaltxtimeout != (u_int) -1)
597 ar5416SetGlobalTxTimeout(ah, ahp->ah_globaltxtimeout);
602 * Places the hardware into reset and then pulls it out of reset
605 ar5416ChipReset(struct ath_hal *ah, const struct ieee80211_channel *chan)
607 OS_MARK(ah, AH_MARK_CHIPRESET, chan ? chan->ic_freq : 0);
609 * Warm reset is optimistic.
611 if (AR_SREV_MERLIN_20_OR_LATER(ah) &&
612 ath_hal_eepromGetFlag(ah, AR_EEP_OL_PWRCTRL)) {
613 if (!ar5416SetResetReg(ah, HAL_RESET_POWER_ON))
616 if (!ar5416SetResetReg(ah, HAL_RESET_WARM))
620 /* Bring out of sleep mode (AGAIN) */
621 if (!ar5416SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE))
624 ar5416InitPLL(ah, chan);
627 * Perform warm reset before the mode/PLL/turbo registers
628 * are changed in order to deactivate the radio. Mode changes
629 * with an active radio can result in corrupted shifts to the
632 if (chan != AH_NULL) {
635 /* treat channel B as channel G , no B mode suport in owl */
636 rfMode = IEEE80211_IS_CHAN_CCK(chan) ?
637 AR_PHY_MODE_DYNAMIC : AR_PHY_MODE_OFDM;
638 if (AR_SREV_MERLIN_20(ah) && IS_5GHZ_FAST_CLOCK_EN(ah, chan)) {
639 /* phy mode bits for 5GHz channels require Fast Clock */
640 rfMode |= AR_PHY_MODE_DYNAMIC
641 | AR_PHY_MODE_DYN_CCK_DISABLE;
642 } else if (!AR_SREV_MERLIN_10_OR_LATER(ah)) {
643 rfMode |= IEEE80211_IS_CHAN_5GHZ(chan) ?
644 AR_PHY_MODE_RF5GHZ : AR_PHY_MODE_RF2GHZ;
646 OS_REG_WRITE(ah, AR_PHY_MODE, rfMode);
652 * Delta slope coefficient computation.
653 * Required for OFDM operation.
656 ar5416GetDeltaSlopeValues(struct ath_hal *ah, uint32_t coef_scaled,
657 uint32_t *coef_mantissa, uint32_t *coef_exponent)
659 #define COEF_SCALE_S 24
660 uint32_t coef_exp, coef_man;
662 * ALGO -> coef_exp = 14-floor(log2(coef));
663 * floor(log2(x)) is the highest set bit position
665 for (coef_exp = 31; coef_exp > 0; coef_exp--)
666 if ((coef_scaled >> coef_exp) & 0x1)
668 /* A coef_exp of 0 is a legal bit position but an unexpected coef_exp */
670 coef_exp = 14 - (coef_exp - COEF_SCALE_S);
673 * ALGO -> coef_man = floor(coef* 2^coef_exp+0.5);
674 * The coefficient is already shifted up for scaling
676 coef_man = coef_scaled + (1 << (COEF_SCALE_S - coef_exp - 1));
678 *coef_mantissa = coef_man >> (COEF_SCALE_S - coef_exp);
679 *coef_exponent = coef_exp - 16;
685 ar5416SetDeltaSlope(struct ath_hal *ah, const struct ieee80211_channel *chan)
687 #define INIT_CLOCKMHZSCALED 0x64000000
688 uint32_t coef_scaled, ds_coef_exp, ds_coef_man;
689 uint32_t clockMhzScaled;
691 CHAN_CENTERS centers;
693 /* half and quarter rate can divide the scaled clock by 2 or 4 respectively */
694 /* scale for selected channel bandwidth */
695 clockMhzScaled = INIT_CLOCKMHZSCALED;
696 if (IEEE80211_IS_CHAN_TURBO(chan))
697 clockMhzScaled <<= 1;
698 else if (IEEE80211_IS_CHAN_HALF(chan))
699 clockMhzScaled >>= 1;
700 else if (IEEE80211_IS_CHAN_QUARTER(chan))
701 clockMhzScaled >>= 2;
704 * ALGO -> coef = 1e8/fcarrier*fclock/40;
705 * scaled coef to provide precision for this floating calculation
707 ar5416GetChannelCenters(ah, chan, ¢ers);
708 coef_scaled = clockMhzScaled / centers.synth_center;
710 ar5416GetDeltaSlopeValues(ah, coef_scaled, &ds_coef_man, &ds_coef_exp);
712 OS_REG_RMW_FIELD(ah, AR_PHY_TIMING3,
713 AR_PHY_TIMING3_DSC_MAN, ds_coef_man);
714 OS_REG_RMW_FIELD(ah, AR_PHY_TIMING3,
715 AR_PHY_TIMING3_DSC_EXP, ds_coef_exp);
719 * scaled coeff is 9/10 that of normal coeff
721 coef_scaled = (9 * coef_scaled)/10;
723 ar5416GetDeltaSlopeValues(ah, coef_scaled, &ds_coef_man, &ds_coef_exp);
726 OS_REG_RMW_FIELD(ah, AR_PHY_HALFGI,
727 AR_PHY_HALFGI_DSC_MAN, ds_coef_man);
728 OS_REG_RMW_FIELD(ah, AR_PHY_HALFGI,
729 AR_PHY_HALFGI_DSC_EXP, ds_coef_exp);
730 #undef INIT_CLOCKMHZSCALED
734 * Set a limit on the overall output power. Used for dynamic
735 * transmit power control and the like.
737 * NB: limit is in units of 0.5 dbM.
740 ar5416SetTxPowerLimit(struct ath_hal *ah, uint32_t limit)
742 uint16_t dummyXpdGains[2];
744 AH_PRIVATE(ah)->ah_powerLimit = AH_MIN(limit, MAX_RATE_POWER);
745 return ar5416SetTransmitPower(ah, AH_PRIVATE(ah)->ah_curchan,
750 ar5416GetChipPowerLimits(struct ath_hal *ah,
751 struct ieee80211_channel *chan)
753 struct ath_hal_5212 *ahp = AH5212(ah);
754 int16_t minPower, maxPower;
757 * Get Pier table max and min powers.
759 if (ahp->ah_rfHal->getChannelMaxMinPower(ah, chan, &maxPower, &minPower)) {
760 /* NB: rf code returns 1/4 dBm units, convert */
761 chan->ic_maxpower = maxPower / 2;
762 chan->ic_minpower = minPower / 2;
764 HALDEBUG(ah, HAL_DEBUG_ANY,
765 "%s: no min/max power for %u/0x%x\n",
766 __func__, chan->ic_freq, chan->ic_flags);
767 chan->ic_maxpower = AR5416_MAX_RATE_POWER;
768 chan->ic_minpower = 0;
770 HALDEBUG(ah, HAL_DEBUG_RESET,
771 "Chan %d: MaxPow = %d MinPow = %d\n",
772 chan->ic_freq, chan->ic_maxpower, chan->ic_minpower);
776 /* XXX gag, this is sick */
777 typedef enum Ar5416_Rates {
778 rate6mb, rate9mb, rate12mb, rate18mb,
779 rate24mb, rate36mb, rate48mb, rate54mb,
780 rate1l, rate2l, rate2s, rate5_5l,
781 rate5_5s, rate11l, rate11s, rateXr,
782 rateHt20_0, rateHt20_1, rateHt20_2, rateHt20_3,
783 rateHt20_4, rateHt20_5, rateHt20_6, rateHt20_7,
784 rateHt40_0, rateHt40_1, rateHt40_2, rateHt40_3,
785 rateHt40_4, rateHt40_5, rateHt40_6, rateHt40_7,
786 rateDupCck, rateDupOfdm, rateExtCck, rateExtOfdm,
790 /**************************************************************
791 * ar5416SetTransmitPower
793 * Set the transmit power in the baseband for the given
794 * operating channel and mode.
797 ar5416SetTransmitPower(struct ath_hal *ah,
798 const struct ieee80211_channel *chan, uint16_t *rfXpdGain)
800 #define POW_SM(_r, _s) (((_r) & 0x3f) << (_s))
801 #define N(a) (sizeof (a) / sizeof (a[0]))
803 MODAL_EEP_HEADER *pModal;
804 struct ath_hal_5212 *ahp = AH5212(ah);
805 int16_t ratesArray[Ar5416RateSize];
806 int16_t txPowerIndexOffset = 0;
807 uint8_t ht40PowerIncForPdadc = 2;
812 uint16_t twiceAntennaReduction;
813 uint16_t twiceMaxRegulatoryPower;
815 HAL_EEPROM_v14 *ee = AH_PRIVATE(ah)->ah_eeprom;
816 struct ar5416eeprom *pEepData = &ee->ee_base;
818 HALASSERT(AH_PRIVATE(ah)->ah_eeversion >= AR_EEPROM_VER14_1);
820 /* Setup info for the actual eeprom */
821 OS_MEMZERO(ratesArray, sizeof(ratesArray));
822 cfgCtl = ath_hal_getctl(ah, chan);
823 powerLimit = chan->ic_maxregpower * 2;
824 twiceAntennaReduction = chan->ic_maxantgain;
825 twiceMaxRegulatoryPower = AH_MIN(MAX_RATE_POWER, AH_PRIVATE(ah)->ah_powerLimit);
826 pModal = &pEepData->modalHeader[IEEE80211_IS_CHAN_2GHZ(chan)];
827 HALDEBUG(ah, HAL_DEBUG_RESET, "%s Channel=%u CfgCtl=%u\n",
828 __func__,chan->ic_freq, cfgCtl );
830 if (IS_EEP_MINOR_V2(ah)) {
831 ht40PowerIncForPdadc = pModal->ht40PowerIncForPdadc;
834 if (!ar5416SetPowerPerRateTable(ah, pEepData, chan,
835 &ratesArray[0],cfgCtl,
836 twiceAntennaReduction,
837 twiceMaxRegulatoryPower, powerLimit)) {
838 HALDEBUG(ah, HAL_DEBUG_ANY,
839 "%s: unable to set tx power per rate table\n", __func__);
843 if (!ar5416SetPowerCalTable(ah, pEepData, chan, &txPowerIndexOffset)) {
844 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: unable to set power table\n",
849 maxPower = AH_MAX(ratesArray[rate6mb], ratesArray[rateHt20_0]);
851 if (IEEE80211_IS_CHAN_2GHZ(chan)) {
852 maxPower = AH_MAX(maxPower, ratesArray[rate1l]);
855 if (IEEE80211_IS_CHAN_HT40(chan)) {
856 maxPower = AH_MAX(maxPower, ratesArray[rateHt40_0]);
859 ahp->ah_tx6PowerInHalfDbm = maxPower;
860 AH_PRIVATE(ah)->ah_maxPowerLevel = maxPower;
861 ahp->ah_txPowerIndexOffset = txPowerIndexOffset;
864 * txPowerIndexOffset is set by the SetPowerTable() call -
865 * adjust the rate table (0 offset if rates EEPROM not loaded)
867 for (i = 0; i < N(ratesArray); i++) {
868 ratesArray[i] = (int16_t)(txPowerIndexOffset + ratesArray[i]);
869 if (ratesArray[i] > AR5416_MAX_RATE_POWER)
870 ratesArray[i] = AR5416_MAX_RATE_POWER;
873 #ifdef AH_EEPROM_DUMP
874 ar5416PrintPowerPerRate(ah, ratesArray);
877 /* Write the OFDM power per rate set */
878 OS_REG_WRITE(ah, AR_PHY_POWER_TX_RATE1,
879 POW_SM(ratesArray[rate18mb], 24)
880 | POW_SM(ratesArray[rate12mb], 16)
881 | POW_SM(ratesArray[rate9mb], 8)
882 | POW_SM(ratesArray[rate6mb], 0)
884 OS_REG_WRITE(ah, AR_PHY_POWER_TX_RATE2,
885 POW_SM(ratesArray[rate54mb], 24)
886 | POW_SM(ratesArray[rate48mb], 16)
887 | POW_SM(ratesArray[rate36mb], 8)
888 | POW_SM(ratesArray[rate24mb], 0)
891 if (IEEE80211_IS_CHAN_2GHZ(chan)) {
892 /* Write the CCK power per rate set */
893 OS_REG_WRITE(ah, AR_PHY_POWER_TX_RATE3,
894 POW_SM(ratesArray[rate2s], 24)
895 | POW_SM(ratesArray[rate2l], 16)
896 | POW_SM(ratesArray[rateXr], 8) /* XR target power */
897 | POW_SM(ratesArray[rate1l], 0)
899 OS_REG_WRITE(ah, AR_PHY_POWER_TX_RATE4,
900 POW_SM(ratesArray[rate11s], 24)
901 | POW_SM(ratesArray[rate11l], 16)
902 | POW_SM(ratesArray[rate5_5s], 8)
903 | POW_SM(ratesArray[rate5_5l], 0)
905 HALDEBUG(ah, HAL_DEBUG_RESET,
906 "%s AR_PHY_POWER_TX_RATE3=0x%x AR_PHY_POWER_TX_RATE4=0x%x\n",
907 __func__, OS_REG_READ(ah,AR_PHY_POWER_TX_RATE3),
908 OS_REG_READ(ah,AR_PHY_POWER_TX_RATE4));
911 /* Write the HT20 power per rate set */
912 OS_REG_WRITE(ah, AR_PHY_POWER_TX_RATE5,
913 POW_SM(ratesArray[rateHt20_3], 24)
914 | POW_SM(ratesArray[rateHt20_2], 16)
915 | POW_SM(ratesArray[rateHt20_1], 8)
916 | POW_SM(ratesArray[rateHt20_0], 0)
918 OS_REG_WRITE(ah, AR_PHY_POWER_TX_RATE6,
919 POW_SM(ratesArray[rateHt20_7], 24)
920 | POW_SM(ratesArray[rateHt20_6], 16)
921 | POW_SM(ratesArray[rateHt20_5], 8)
922 | POW_SM(ratesArray[rateHt20_4], 0)
925 if (IEEE80211_IS_CHAN_HT40(chan)) {
926 /* Write the HT40 power per rate set */
927 /* Correct PAR difference between HT40 and HT20/LEGACY */
928 OS_REG_WRITE(ah, AR_PHY_POWER_TX_RATE7,
929 POW_SM(ratesArray[rateHt40_3] + ht40PowerIncForPdadc, 24)
930 | POW_SM(ratesArray[rateHt40_2] + ht40PowerIncForPdadc, 16)
931 | POW_SM(ratesArray[rateHt40_1] + ht40PowerIncForPdadc, 8)
932 | POW_SM(ratesArray[rateHt40_0] + ht40PowerIncForPdadc, 0)
934 OS_REG_WRITE(ah, AR_PHY_POWER_TX_RATE8,
935 POW_SM(ratesArray[rateHt40_7] + ht40PowerIncForPdadc, 24)
936 | POW_SM(ratesArray[rateHt40_6] + ht40PowerIncForPdadc, 16)
937 | POW_SM(ratesArray[rateHt40_5] + ht40PowerIncForPdadc, 8)
938 | POW_SM(ratesArray[rateHt40_4] + ht40PowerIncForPdadc, 0)
940 /* Write the Dup/Ext 40 power per rate set */
941 OS_REG_WRITE(ah, AR_PHY_POWER_TX_RATE9,
942 POW_SM(ratesArray[rateExtOfdm], 24)
943 | POW_SM(ratesArray[rateExtCck], 16)
944 | POW_SM(ratesArray[rateDupOfdm], 8)
945 | POW_SM(ratesArray[rateDupCck], 0)
949 /* Write the Power subtraction for dynamic chain changing, for per-packet powertx */
950 OS_REG_WRITE(ah, AR_PHY_POWER_TX_SUB,
951 POW_SM(pModal->pwrDecreaseFor3Chain, 6)
952 | POW_SM(pModal->pwrDecreaseFor2Chain, 0)
960 * Exported call to check for a recent gain reading and return
961 * the current state of the thermal calibration gain engine.
964 ar5416GetRfgain(struct ath_hal *ah)
966 return HAL_RFGAIN_INACTIVE;
970 * Places all of hardware into reset
973 ar5416Disable(struct ath_hal *ah)
975 if (!ar5212SetPowerMode(ah, HAL_PM_AWAKE, AH_TRUE))
977 return ar5416SetResetReg(ah, HAL_RESET_COLD);
981 * Places the PHY and Radio chips into reset. A full reset
982 * must be called to leave this state. The PCI/MAC/PCU are
983 * not placed into reset as we must receive interrupt to
984 * re-enable the hardware.
987 ar5416PhyDisable(struct ath_hal *ah)
989 return ar5416SetResetReg(ah, HAL_RESET_WARM);
993 * Write the given reset bit mask into the reset register
996 ar5416SetResetReg(struct ath_hal *ah, uint32_t type)
999 case HAL_RESET_POWER_ON:
1000 return ar5416SetResetPowerOn(ah);
1001 case HAL_RESET_WARM:
1002 case HAL_RESET_COLD:
1003 return ar5416SetReset(ah, type);
1005 HALASSERT(AH_FALSE);
1011 ar5416SetResetPowerOn(struct ath_hal *ah)
1013 /* Power On Reset (Hard Reset) */
1018 * If the MAC was running, previously calling
1019 * reset will wake up the MAC but it may go back to sleep
1020 * before we can start polling.
1021 * Set force wake stops that
1022 * This must be called before initiating a hard reset.
1024 OS_REG_WRITE(ah, AR_RTC_FORCE_WAKE,
1025 AR_RTC_FORCE_WAKE_EN | AR_RTC_FORCE_WAKE_ON_INT);
1028 * RTC reset and clear
1030 OS_REG_WRITE(ah, AR_RTC_RESET, 0);
1032 OS_REG_WRITE(ah, AR_RTC_RESET, 1);
1035 * Poll till RTC is ON
1037 if (!ath_hal_wait(ah, AR_RTC_STATUS, AR_RTC_PM_STATUS_M, AR_RTC_STATUS_ON)) {
1038 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RTC not waking up\n", __func__);
1042 return ar5416SetReset(ah, HAL_RESET_COLD);
1046 ar5416SetReset(struct ath_hal *ah, int type)
1048 uint32_t tmpReg, mask;
1053 OS_REG_WRITE(ah, AR_RTC_FORCE_WAKE,
1054 AR_RTC_FORCE_WAKE_EN | AR_RTC_FORCE_WAKE_ON_INT);
1059 tmpReg = OS_REG_READ(ah, AR_INTR_SYNC_CAUSE);
1060 if (tmpReg & (AR_INTR_SYNC_LOCAL_TIMEOUT|AR_INTR_SYNC_RADM_CPL_TIMEOUT)) {
1061 OS_REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
1062 OS_REG_WRITE(ah, AR_RC, AR_RC_AHB|AR_RC_HOSTIF);
1064 OS_REG_WRITE(ah, AR_RC, AR_RC_AHB);
1068 * Set Mac(BB,Phy) Warm Reset
1071 case HAL_RESET_WARM:
1072 OS_REG_WRITE(ah, AR_RTC_RC, AR_RTC_RC_MAC_WARM);
1074 case HAL_RESET_COLD:
1075 OS_REG_WRITE(ah, AR_RTC_RC, AR_RTC_RC_MAC_WARM|AR_RTC_RC_MAC_COLD);
1078 HALASSERT(AH_FALSE);
1083 * Clear resets and force wakeup
1085 OS_REG_WRITE(ah, AR_RTC_RC, 0);
1086 if (!ath_hal_wait(ah, AR_RTC_RC, AR_RTC_RC_M, 0)) {
1087 HALDEBUG(ah, HAL_DEBUG_ANY, "%s: RTC stuck in MAC reset\n", __func__);
1091 /* Clear AHB reset */
1092 OS_REG_WRITE(ah, AR_RC, 0);
1094 if (type == HAL_RESET_COLD) {
1095 if (isBigEndian()) {
1097 * Set CFG, little-endian for register
1098 * and descriptor accesses.
1100 mask = INIT_CONFIG_STATUS | AR_CFG_SWRD | AR_CFG_SWRG;
1101 #ifndef AH_NEED_DESC_SWAP
1102 mask |= AR_CFG_SWTD;
1104 HALDEBUG(ah, HAL_DEBUG_RESET,
1105 "%s Applying descriptor swap\n", __func__);
1106 OS_REG_WRITE(ah, AR_CFG, LE_READ_4(&mask));
1108 OS_REG_WRITE(ah, AR_CFG, INIT_CONFIG_STATUS);
1111 ar5416InitPLL(ah, AH_NULL);
1116 #ifndef IS_5GHZ_FAST_CLOCK_EN
1117 #define IS_5GHZ_FAST_CLOCK_EN(ah, chan) AH_FALSE
1121 ar5416InitPLL(struct ath_hal *ah, const struct ieee80211_channel *chan)
1125 if (AR_SREV_MERLIN_20(ah) &&
1126 chan != AH_NULL && IEEE80211_IS_CHAN_5GHZ(chan)) {
1128 * PLL WAR for Merlin 2.0/2.1
1129 * When doing fast clock, set PLL to 0x142c
1130 * Else, set PLL to 0x2850 to prevent reset-to-reset variation
1132 pll = IS_5GHZ_FAST_CLOCK_EN(ah, chan) ? 0x142c : 0x2850;
1133 } else if (AR_SREV_MERLIN_10_OR_LATER(ah)) {
1134 pll = SM(0x5, AR_RTC_SOWL_PLL_REFDIV);
1135 if (chan != AH_NULL) {
1136 if (IEEE80211_IS_CHAN_HALF(chan))
1137 pll |= SM(0x1, AR_RTC_SOWL_PLL_CLKSEL);
1138 else if (IEEE80211_IS_CHAN_QUARTER(chan))
1139 pll |= SM(0x2, AR_RTC_SOWL_PLL_CLKSEL);
1140 else if (IEEE80211_IS_CHAN_5GHZ(chan))
1141 pll |= SM(0x28, AR_RTC_SOWL_PLL_DIV);
1143 pll |= SM(0x2c, AR_RTC_SOWL_PLL_DIV);
1145 pll |= SM(0x2c, AR_RTC_SOWL_PLL_DIV);
1146 } else if (AR_SREV_SOWL_10_OR_LATER(ah)) {
1147 pll = SM(0x5, AR_RTC_SOWL_PLL_REFDIV);
1148 if (chan != AH_NULL) {
1149 if (IEEE80211_IS_CHAN_HALF(chan))
1150 pll |= SM(0x1, AR_RTC_SOWL_PLL_CLKSEL);
1151 else if (IEEE80211_IS_CHAN_QUARTER(chan))
1152 pll |= SM(0x2, AR_RTC_SOWL_PLL_CLKSEL);
1153 else if (IEEE80211_IS_CHAN_5GHZ(chan))
1154 pll |= SM(0x50, AR_RTC_SOWL_PLL_DIV);
1156 pll |= SM(0x58, AR_RTC_SOWL_PLL_DIV);
1158 pll |= SM(0x58, AR_RTC_SOWL_PLL_DIV);
1160 pll = AR_RTC_PLL_REFDIV_5 | AR_RTC_PLL_DIV2;
1161 if (chan != AH_NULL) {
1162 if (IEEE80211_IS_CHAN_HALF(chan))
1163 pll |= SM(0x1, AR_RTC_PLL_CLKSEL);
1164 else if (IEEE80211_IS_CHAN_QUARTER(chan))
1165 pll |= SM(0x2, AR_RTC_PLL_CLKSEL);
1166 else if (IEEE80211_IS_CHAN_5GHZ(chan))
1167 pll |= SM(0xa, AR_RTC_PLL_DIV);
1169 pll |= SM(0xb, AR_RTC_PLL_DIV);
1171 pll |= SM(0xb, AR_RTC_PLL_DIV);
1173 OS_REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
1176 * For multi-band owl, switch between bands by reiniting the PLL.
1179 OS_DELAY(RTC_PLL_SETTLE_DELAY);
1181 OS_REG_WRITE(ah, AR_RTC_SLEEP_CLK, AR_RTC_SLEEP_DERIVED_CLK);
1185 * Read EEPROM header info and program the device for correct operation
1186 * given the channel value.
1189 ar5416SetBoardValues(struct ath_hal *ah, const struct ieee80211_channel *chan)
1191 const HAL_EEPROM_v14 *ee = AH_PRIVATE(ah)->ah_eeprom;
1192 const struct ar5416eeprom *eep = &ee->ee_base;
1193 const MODAL_EEP_HEADER *pModal;
1194 int i, regChainOffset;
1195 uint8_t txRxAttenLocal; /* workaround for eeprom versions <= 14.2 */
1197 HALASSERT(AH_PRIVATE(ah)->ah_eeversion >= AR_EEPROM_VER14_1);
1198 pModal = &eep->modalHeader[IEEE80211_IS_CHAN_2GHZ(chan)];
1200 /* NB: workaround for eeprom versions <= 14.2 */
1201 txRxAttenLocal = IEEE80211_IS_CHAN_2GHZ(chan) ? 23 : 44;
1203 OS_REG_WRITE(ah, AR_PHY_SWITCH_COM, pModal->antCtrlCommon);
1204 for (i = 0; i < AR5416_MAX_CHAINS; i++) {
1205 if (AR_SREV_MERLIN(ah)) {
1208 if (AR_SREV_OWL_20_OR_LATER(ah) &&
1209 (AH5416(ah)->ah_rx_chainmask == 0x5 ||
1210 AH5416(ah)->ah_tx_chainmask == 0x5) && i != 0) {
1211 /* Regs are swapped from chain 2 to 1 for 5416 2_0 with
1212 * only chains 0 and 2 populated
1214 regChainOffset = (i == 1) ? 0x2000 : 0x1000;
1216 regChainOffset = i * 0x1000;
1219 OS_REG_WRITE(ah, AR_PHY_SWITCH_CHAIN_0 + regChainOffset, pModal->antCtrlChain[i]);
1220 OS_REG_WRITE(ah, AR_PHY_TIMING_CTRL4 + regChainOffset,
1221 (OS_REG_READ(ah, AR_PHY_TIMING_CTRL4 + regChainOffset) &
1222 ~(AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF | AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF)) |
1223 SM(pModal->iqCalICh[i], AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF) |
1224 SM(pModal->iqCalQCh[i], AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF));
1227 * Large signal upgrade.
1231 if ((i == 0) || AR_SREV_OWL_20_OR_LATER(ah)) {
1232 OS_REG_WRITE(ah, AR_PHY_RXGAIN + regChainOffset,
1233 (OS_REG_READ(ah, AR_PHY_RXGAIN + regChainOffset) & ~AR_PHY_RXGAIN_TXRX_ATTEN) |
1234 SM(IS_EEP_MINOR_V3(ah) ? pModal->txRxAttenCh[i] : txRxAttenLocal,
1235 AR_PHY_RXGAIN_TXRX_ATTEN));
1237 OS_REG_WRITE(ah, AR_PHY_GAIN_2GHZ + regChainOffset,
1238 (OS_REG_READ(ah, AR_PHY_GAIN_2GHZ + regChainOffset) & ~AR_PHY_GAIN_2GHZ_RXTX_MARGIN) |
1239 SM(pModal->rxTxMarginCh[i], AR_PHY_GAIN_2GHZ_RXTX_MARGIN));
1243 OS_REG_RMW_FIELD(ah, AR_PHY_SETTLING, AR_PHY_SETTLING_SWITCH, pModal->switchSettling);
1244 OS_REG_RMW_FIELD(ah, AR_PHY_DESIRED_SZ, AR_PHY_DESIRED_SZ_ADC, pModal->adcDesiredSize);
1245 OS_REG_RMW_FIELD(ah, AR_PHY_DESIRED_SZ, AR_PHY_DESIRED_SZ_PGA, pModal->pgaDesiredSize);
1246 OS_REG_WRITE(ah, AR_PHY_RF_CTL4,
1247 SM(pModal->txEndToXpaOff, AR_PHY_RF_CTL4_TX_END_XPAA_OFF)
1248 | SM(pModal->txEndToXpaOff, AR_PHY_RF_CTL4_TX_END_XPAB_OFF)
1249 | SM(pModal->txFrameToXpaOn, AR_PHY_RF_CTL4_FRAME_XPAA_ON)
1250 | SM(pModal->txFrameToXpaOn, AR_PHY_RF_CTL4_FRAME_XPAB_ON));
1252 OS_REG_RMW_FIELD(ah, AR_PHY_RF_CTL3, AR_PHY_TX_END_TO_A2_RX_ON, pModal->txEndToRxOn);
1254 if (AR_SREV_MERLIN_10_OR_LATER(ah)) {
1255 OS_REG_RMW_FIELD(ah, AR_PHY_CCA, AR9280_PHY_CCA_THRESH62,
1257 OS_REG_RMW_FIELD(ah, AR_PHY_EXT_CCA0, AR_PHY_EXT_CCA0_THRESH62,
1260 OS_REG_RMW_FIELD(ah, AR_PHY_CCA, AR_PHY_CCA_THRESH62,
1262 OS_REG_RMW_FIELD(ah, AR_PHY_EXT_CCA0, AR_PHY_EXT_CCA_THRESH62,
1266 /* Minor Version Specific application */
1267 if (IS_EEP_MINOR_V2(ah)) {
1268 OS_REG_RMW_FIELD(ah, AR_PHY_RF_CTL2, AR_PHY_TX_FRAME_TO_DATA_START, pModal->txFrameToDataStart);
1269 OS_REG_RMW_FIELD(ah, AR_PHY_RF_CTL2, AR_PHY_TX_FRAME_TO_PA_ON, pModal->txFrameToPaOn);
1272 if (IS_EEP_MINOR_V3(ah)) {
1273 if (IEEE80211_IS_CHAN_HT40(chan)) {
1274 /* Overwrite switch settling with HT40 value */
1275 OS_REG_RMW_FIELD(ah, AR_PHY_SETTLING, AR_PHY_SETTLING_SWITCH, pModal->swSettleHt40);
1278 if ((AR_SREV_OWL_20_OR_LATER(ah)) &&
1279 ( AH5416(ah)->ah_rx_chainmask == 0x5 || AH5416(ah)->ah_tx_chainmask == 0x5)){
1280 /* Reg Offsets are swapped for logical mapping */
1281 OS_REG_WRITE(ah, AR_PHY_GAIN_2GHZ + 0x1000, (OS_REG_READ(ah, AR_PHY_GAIN_2GHZ + 0x1000) & ~AR_PHY_GAIN_2GHZ_BSW_MARGIN) |
1282 SM(pModal->bswMargin[2], AR_PHY_GAIN_2GHZ_BSW_MARGIN));
1283 OS_REG_WRITE(ah, AR_PHY_GAIN_2GHZ + 0x1000, (OS_REG_READ(ah, AR_PHY_GAIN_2GHZ + 0x1000) & ~AR_PHY_GAIN_2GHZ_BSW_ATTEN) |
1284 SM(pModal->bswAtten[2], AR_PHY_GAIN_2GHZ_BSW_ATTEN));
1285 OS_REG_WRITE(ah, AR_PHY_GAIN_2GHZ + 0x2000, (OS_REG_READ(ah, AR_PHY_GAIN_2GHZ + 0x2000) & ~AR_PHY_GAIN_2GHZ_BSW_MARGIN) |
1286 SM(pModal->bswMargin[1], AR_PHY_GAIN_2GHZ_BSW_MARGIN));
1287 OS_REG_WRITE(ah, AR_PHY_GAIN_2GHZ + 0x2000, (OS_REG_READ(ah, AR_PHY_GAIN_2GHZ + 0x2000) & ~AR_PHY_GAIN_2GHZ_BSW_ATTEN) |
1288 SM(pModal->bswAtten[1], AR_PHY_GAIN_2GHZ_BSW_ATTEN));
1290 OS_REG_WRITE(ah, AR_PHY_GAIN_2GHZ + 0x1000, (OS_REG_READ(ah, AR_PHY_GAIN_2GHZ + 0x1000) & ~AR_PHY_GAIN_2GHZ_BSW_MARGIN) |
1291 SM(pModal->bswMargin[1], AR_PHY_GAIN_2GHZ_BSW_MARGIN));
1292 OS_REG_WRITE(ah, AR_PHY_GAIN_2GHZ + 0x1000, (OS_REG_READ(ah, AR_PHY_GAIN_2GHZ + 0x1000) & ~AR_PHY_GAIN_2GHZ_BSW_ATTEN) |
1293 SM(pModal->bswAtten[1], AR_PHY_GAIN_2GHZ_BSW_ATTEN));
1294 OS_REG_WRITE(ah, AR_PHY_GAIN_2GHZ + 0x2000, (OS_REG_READ(ah, AR_PHY_GAIN_2GHZ + 0x2000) & ~AR_PHY_GAIN_2GHZ_BSW_MARGIN) |
1295 SM(pModal->bswMargin[2],AR_PHY_GAIN_2GHZ_BSW_MARGIN));
1296 OS_REG_WRITE(ah, AR_PHY_GAIN_2GHZ + 0x2000, (OS_REG_READ(ah, AR_PHY_GAIN_2GHZ + 0x2000) & ~AR_PHY_GAIN_2GHZ_BSW_ATTEN) |
1297 SM(pModal->bswAtten[2], AR_PHY_GAIN_2GHZ_BSW_ATTEN));
1299 OS_REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ, AR_PHY_GAIN_2GHZ_BSW_MARGIN, pModal->bswMargin[0]);
1300 OS_REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ, AR_PHY_GAIN_2GHZ_BSW_ATTEN, pModal->bswAtten[0]);
1306 * Helper functions common for AP/CB/XB
1310 * ar5416SetPowerPerRateTable
1312 * Sets the transmit power in the baseband for the given
1313 * operating channel and mode.
1316 ar5416SetPowerPerRateTable(struct ath_hal *ah, struct ar5416eeprom *pEepData,
1317 const struct ieee80211_channel *chan,
1318 int16_t *ratesArray, uint16_t cfgCtl,
1319 uint16_t AntennaReduction,
1320 uint16_t twiceMaxRegulatoryPower,
1321 uint16_t powerLimit)
1323 #define N(a) (sizeof(a)/sizeof(a[0]))
1324 /* Local defines to distinguish between extension and control CTL's */
1325 #define EXT_ADDITIVE (0x8000)
1326 #define CTL_11A_EXT (CTL_11A | EXT_ADDITIVE)
1327 #define CTL_11G_EXT (CTL_11G | EXT_ADDITIVE)
1328 #define CTL_11B_EXT (CTL_11B | EXT_ADDITIVE)
1330 uint16_t twiceMaxEdgePower = AR5416_MAX_RATE_POWER;
1332 int16_t twiceLargestAntenna;
1334 CAL_TARGET_POWER_LEG targetPowerOfdm, targetPowerCck = {0, {0, 0, 0, 0}};
1335 CAL_TARGET_POWER_LEG targetPowerOfdmExt = {0, {0, 0, 0, 0}}, targetPowerCckExt = {0, {0, 0, 0, 0}};
1336 CAL_TARGET_POWER_HT targetPowerHt20, targetPowerHt40 = {0, {0, 0, 0, 0}};
1337 int16_t scaledPower, minCtlPower;
1339 #define SUB_NUM_CTL_MODES_AT_5G_40 2 /* excluding HT40, EXT-OFDM */
1340 #define SUB_NUM_CTL_MODES_AT_2G_40 3 /* excluding HT40, EXT-OFDM, EXT-CCK */
1341 static const uint16_t ctlModesFor11a[] = {
1342 CTL_11A, CTL_5GHT20, CTL_11A_EXT, CTL_5GHT40
1344 static const uint16_t ctlModesFor11g[] = {
1345 CTL_11B, CTL_11G, CTL_2GHT20, CTL_11B_EXT, CTL_11G_EXT, CTL_2GHT40
1347 const uint16_t *pCtlMode;
1348 uint16_t numCtlModes, ctlMode, freq;
1349 CHAN_CENTERS centers;
1351 ar5416GetChannelCenters(ah, chan, ¢ers);
1353 /* Compute TxPower reduction due to Antenna Gain */
1355 twiceLargestAntenna = AH_MAX(AH_MAX(
1356 pEepData->modalHeader[IEEE80211_IS_CHAN_2GHZ(chan)].antennaGainCh[0],
1357 pEepData->modalHeader[IEEE80211_IS_CHAN_2GHZ(chan)].antennaGainCh[1]),
1358 pEepData->modalHeader[IEEE80211_IS_CHAN_2GHZ(chan)].antennaGainCh[2]);
1360 /* Turn it back on if we need to calculate per chain antenna gain reduction */
1361 /* Use only if the expected gain > 6dbi */
1362 /* Chain 0 is always used */
1363 twiceLargestAntenna = pEepData->modalHeader[IEEE80211_IS_CHAN_2GHZ(chan)].antennaGainCh[0];
1365 /* Look at antenna gains of Chains 1 and 2 if the TX mask is set */
1366 if (ahp->ah_tx_chainmask & 0x2)
1367 twiceLargestAntenna = AH_MAX(twiceLargestAntenna,
1368 pEepData->modalHeader[IEEE80211_IS_CHAN_2GHZ(chan)].antennaGainCh[1]);
1370 if (ahp->ah_tx_chainmask & 0x4)
1371 twiceLargestAntenna = AH_MAX(twiceLargestAntenna,
1372 pEepData->modalHeader[IEEE80211_IS_CHAN_2GHZ(chan)].antennaGainCh[2]);
1374 twiceLargestAntenna = (int16_t)AH_MIN((AntennaReduction) - twiceLargestAntenna, 0);
1376 /* XXX setup for 5212 use (really used?) */
1377 ath_hal_eepromSet(ah,
1378 IEEE80211_IS_CHAN_2GHZ(chan) ? AR_EEP_ANTGAINMAX_2 : AR_EEP_ANTGAINMAX_5,
1379 twiceLargestAntenna);
1382 * scaledPower is the minimum of the user input power level and
1383 * the regulatory allowed power level
1385 scaledPower = AH_MIN(powerLimit, twiceMaxRegulatoryPower + twiceLargestAntenna);
1387 /* Reduce scaled Power by number of chains active to get to per chain tx power level */
1388 /* TODO: better value than these? */
1389 switch (owl_get_ntxchains(AH5416(ah)->ah_tx_chainmask)) {
1393 scaledPower -= pEepData->modalHeader[IEEE80211_IS_CHAN_2GHZ(chan)].pwrDecreaseFor2Chain;
1396 scaledPower -= pEepData->modalHeader[IEEE80211_IS_CHAN_2GHZ(chan)].pwrDecreaseFor3Chain;
1399 return AH_FALSE; /* Unsupported number of chains */
1402 scaledPower = AH_MAX(0, scaledPower);
1404 /* Get target powers from EEPROM - our baseline for TX Power */
1405 if (IEEE80211_IS_CHAN_2GHZ(chan)) {
1406 /* Setup for CTL modes */
1407 numCtlModes = N(ctlModesFor11g) - SUB_NUM_CTL_MODES_AT_2G_40; /* CTL_11B, CTL_11G, CTL_2GHT20 */
1408 pCtlMode = ctlModesFor11g;
1410 ar5416GetTargetPowersLeg(ah, chan, pEepData->calTargetPowerCck,
1411 AR5416_NUM_2G_CCK_TARGET_POWERS, &targetPowerCck, 4, AH_FALSE);
1412 ar5416GetTargetPowersLeg(ah, chan, pEepData->calTargetPower2G,
1413 AR5416_NUM_2G_20_TARGET_POWERS, &targetPowerOfdm, 4, AH_FALSE);
1414 ar5416GetTargetPowers(ah, chan, pEepData->calTargetPower2GHT20,
1415 AR5416_NUM_2G_20_TARGET_POWERS, &targetPowerHt20, 8, AH_FALSE);
1417 if (IEEE80211_IS_CHAN_HT40(chan)) {
1418 numCtlModes = N(ctlModesFor11g); /* All 2G CTL's */
1420 ar5416GetTargetPowers(ah, chan, pEepData->calTargetPower2GHT40,
1421 AR5416_NUM_2G_40_TARGET_POWERS, &targetPowerHt40, 8, AH_TRUE);
1422 /* Get target powers for extension channels */
1423 ar5416GetTargetPowersLeg(ah, chan, pEepData->calTargetPowerCck,
1424 AR5416_NUM_2G_CCK_TARGET_POWERS, &targetPowerCckExt, 4, AH_TRUE);
1425 ar5416GetTargetPowersLeg(ah, chan, pEepData->calTargetPower2G,
1426 AR5416_NUM_2G_20_TARGET_POWERS, &targetPowerOfdmExt, 4, AH_TRUE);
1429 /* Setup for CTL modes */
1430 numCtlModes = N(ctlModesFor11a) - SUB_NUM_CTL_MODES_AT_5G_40; /* CTL_11A, CTL_5GHT20 */
1431 pCtlMode = ctlModesFor11a;
1433 ar5416GetTargetPowersLeg(ah, chan, pEepData->calTargetPower5G,
1434 AR5416_NUM_5G_20_TARGET_POWERS, &targetPowerOfdm, 4, AH_FALSE);
1435 ar5416GetTargetPowers(ah, chan, pEepData->calTargetPower5GHT20,
1436 AR5416_NUM_5G_20_TARGET_POWERS, &targetPowerHt20, 8, AH_FALSE);
1438 if (IEEE80211_IS_CHAN_HT40(chan)) {
1439 numCtlModes = N(ctlModesFor11a); /* All 5G CTL's */
1441 ar5416GetTargetPowers(ah, chan, pEepData->calTargetPower5GHT40,
1442 AR5416_NUM_5G_40_TARGET_POWERS, &targetPowerHt40, 8, AH_TRUE);
1443 ar5416GetTargetPowersLeg(ah, chan, pEepData->calTargetPower5G,
1444 AR5416_NUM_5G_20_TARGET_POWERS, &targetPowerOfdmExt, 4, AH_TRUE);
1449 * For MIMO, need to apply regulatory caps individually across dynamically
1450 * running modes: CCK, OFDM, HT20, HT40
1452 * The outer loop walks through each possible applicable runtime mode.
1453 * The inner loop walks through each ctlIndex entry in EEPROM.
1454 * The ctl value is encoded as [7:4] == test group, [3:0] == test mode.
1457 for (ctlMode = 0; ctlMode < numCtlModes; ctlMode++) {
1458 HAL_BOOL isHt40CtlMode = (pCtlMode[ctlMode] == CTL_5GHT40) ||
1459 (pCtlMode[ctlMode] == CTL_2GHT40);
1460 if (isHt40CtlMode) {
1461 freq = centers.ctl_center;
1462 } else if (pCtlMode[ctlMode] & EXT_ADDITIVE) {
1463 freq = centers.ext_center;
1465 freq = centers.ctl_center;
1468 /* walk through each CTL index stored in EEPROM */
1469 for (i = 0; (i < AR5416_NUM_CTLS) && pEepData->ctlIndex[i]; i++) {
1470 uint16_t twiceMinEdgePower;
1472 /* compare test group from regulatory channel list with test mode from pCtlMode list */
1473 if ((((cfgCtl & ~CTL_MODE_M) | (pCtlMode[ctlMode] & CTL_MODE_M)) == pEepData->ctlIndex[i]) ||
1474 (((cfgCtl & ~CTL_MODE_M) | (pCtlMode[ctlMode] & CTL_MODE_M)) ==
1475 ((pEepData->ctlIndex[i] & CTL_MODE_M) | SD_NO_CTL))) {
1476 rep = &(pEepData->ctlData[i]);
1477 twiceMinEdgePower = ar5416GetMaxEdgePower(freq,
1478 rep->ctlEdges[owl_get_ntxchains(AH5416(ah)->ah_tx_chainmask) - 1],
1479 IEEE80211_IS_CHAN_2GHZ(chan));
1480 if ((cfgCtl & ~CTL_MODE_M) == SD_NO_CTL) {
1481 /* Find the minimum of all CTL edge powers that apply to this channel */
1482 twiceMaxEdgePower = AH_MIN(twiceMaxEdgePower, twiceMinEdgePower);
1485 twiceMaxEdgePower = twiceMinEdgePower;
1490 minCtlPower = (uint8_t)AH_MIN(twiceMaxEdgePower, scaledPower);
1491 /* Apply ctl mode to correct target power set */
1492 switch(pCtlMode[ctlMode]) {
1494 for (i = 0; i < N(targetPowerCck.tPow2x); i++) {
1495 targetPowerCck.tPow2x[i] = (uint8_t)AH_MIN(targetPowerCck.tPow2x[i], minCtlPower);
1500 for (i = 0; i < N(targetPowerOfdm.tPow2x); i++) {
1501 targetPowerOfdm.tPow2x[i] = (uint8_t)AH_MIN(targetPowerOfdm.tPow2x[i], minCtlPower);
1506 for (i = 0; i < N(targetPowerHt20.tPow2x); i++) {
1507 targetPowerHt20.tPow2x[i] = (uint8_t)AH_MIN(targetPowerHt20.tPow2x[i], minCtlPower);
1511 targetPowerCckExt.tPow2x[0] = (uint8_t)AH_MIN(targetPowerCckExt.tPow2x[0], minCtlPower);
1515 targetPowerOfdmExt.tPow2x[0] = (uint8_t)AH_MIN(targetPowerOfdmExt.tPow2x[0], minCtlPower);
1519 for (i = 0; i < N(targetPowerHt40.tPow2x); i++) {
1520 targetPowerHt40.tPow2x[i] = (uint8_t)AH_MIN(targetPowerHt40.tPow2x[i], minCtlPower);
1527 } /* end ctl mode checking */
1529 /* Set rates Array from collected data */
1530 ratesArray[rate6mb] = ratesArray[rate9mb] = ratesArray[rate12mb] = ratesArray[rate18mb] = ratesArray[rate24mb] = targetPowerOfdm.tPow2x[0];
1531 ratesArray[rate36mb] = targetPowerOfdm.tPow2x[1];
1532 ratesArray[rate48mb] = targetPowerOfdm.tPow2x[2];
1533 ratesArray[rate54mb] = targetPowerOfdm.tPow2x[3];
1534 ratesArray[rateXr] = targetPowerOfdm.tPow2x[0];
1536 for (i = 0; i < N(targetPowerHt20.tPow2x); i++) {
1537 ratesArray[rateHt20_0 + i] = targetPowerHt20.tPow2x[i];
1540 if (IEEE80211_IS_CHAN_2GHZ(chan)) {
1541 ratesArray[rate1l] = targetPowerCck.tPow2x[0];
1542 ratesArray[rate2s] = ratesArray[rate2l] = targetPowerCck.tPow2x[1];
1543 ratesArray[rate5_5s] = ratesArray[rate5_5l] = targetPowerCck.tPow2x[2];
1544 ratesArray[rate11s] = ratesArray[rate11l] = targetPowerCck.tPow2x[3];
1546 if (IEEE80211_IS_CHAN_HT40(chan)) {
1547 for (i = 0; i < N(targetPowerHt40.tPow2x); i++) {
1548 ratesArray[rateHt40_0 + i] = targetPowerHt40.tPow2x[i];
1550 ratesArray[rateDupOfdm] = targetPowerHt40.tPow2x[0];
1551 ratesArray[rateDupCck] = targetPowerHt40.tPow2x[0];
1552 ratesArray[rateExtOfdm] = targetPowerOfdmExt.tPow2x[0];
1553 if (IEEE80211_IS_CHAN_2GHZ(chan)) {
1554 ratesArray[rateExtCck] = targetPowerCckExt.tPow2x[0];
1562 #undef SUB_NUM_CTL_MODES_AT_5G_40
1563 #undef SUB_NUM_CTL_MODES_AT_2G_40
1567 /**************************************************************************
1570 * Get channel value from binary representation held in eeprom
1571 * RETURNS: the frequency in MHz
1574 fbin2freq(uint8_t fbin, HAL_BOOL is2GHz)
1577 * Reserved value 0xFF provides an empty definition both as
1578 * an fbin and as a frequency - do not convert
1580 if (fbin == AR5416_BCHAN_UNUSED) {
1584 return (uint16_t)((is2GHz) ? (2300 + fbin) : (4800 + 5 * fbin));
1588 * ar5416GetMaxEdgePower
1590 * Find the maximum conformance test limit for the given channel and CTL info
1593 ar5416GetMaxEdgePower(uint16_t freq, CAL_CTL_EDGES *pRdEdgesPower, HAL_BOOL is2GHz)
1595 uint16_t twiceMaxEdgePower = AR5416_MAX_RATE_POWER;
1598 /* Get the edge power */
1599 for (i = 0; (i < AR5416_NUM_BAND_EDGES) && (pRdEdgesPower[i].bChannel != AR5416_BCHAN_UNUSED) ; i++) {
1601 * If there's an exact channel match or an inband flag set
1602 * on the lower channel use the given rdEdgePower
1604 if (freq == fbin2freq(pRdEdgesPower[i].bChannel, is2GHz)) {
1605 twiceMaxEdgePower = MS(pRdEdgesPower[i].tPowerFlag, CAL_CTL_EDGES_POWER);
1607 } else if ((i > 0) && (freq < fbin2freq(pRdEdgesPower[i].bChannel, is2GHz))) {
1608 if (fbin2freq(pRdEdgesPower[i - 1].bChannel, is2GHz) < freq && (pRdEdgesPower[i - 1].tPowerFlag & CAL_CTL_EDGES_FLAG) != 0) {
1609 twiceMaxEdgePower = MS(pRdEdgesPower[i - 1].tPowerFlag, CAL_CTL_EDGES_POWER);
1611 /* Leave loop - no more affecting edges possible in this monotonic increasing list */
1615 HALASSERT(twiceMaxEdgePower > 0);
1616 return twiceMaxEdgePower;
1619 /**************************************************************
1620 * ar5416GetTargetPowers
1622 * Return the rates of target power for the given target power table
1623 * channel, and number of channels
1626 ar5416GetTargetPowers(struct ath_hal *ah, const struct ieee80211_channel *chan,
1627 CAL_TARGET_POWER_HT *powInfo, uint16_t numChannels,
1628 CAL_TARGET_POWER_HT *pNewPower, uint16_t numRates,
1629 HAL_BOOL isHt40Target)
1633 int matchIndex = -1, lowIndex = -1;
1635 CHAN_CENTERS centers;
1637 ar5416GetChannelCenters(ah, chan, ¢ers);
1638 freq = isHt40Target ? centers.synth_center : centers.ctl_center;
1640 /* Copy the target powers into the temp channel list */
1641 if (freq <= fbin2freq(powInfo[0].bChannel, IEEE80211_IS_CHAN_2GHZ(chan))) {
1644 for (i = 0; (i < numChannels) && (powInfo[i].bChannel != AR5416_BCHAN_UNUSED); i++) {
1645 if (freq == fbin2freq(powInfo[i].bChannel, IEEE80211_IS_CHAN_2GHZ(chan))) {
1648 } else if ((freq < fbin2freq(powInfo[i].bChannel, IEEE80211_IS_CHAN_2GHZ(chan))) &&
1649 (freq > fbin2freq(powInfo[i - 1].bChannel, IEEE80211_IS_CHAN_2GHZ(chan))))
1655 if ((matchIndex == -1) && (lowIndex == -1)) {
1656 HALASSERT(freq > fbin2freq(powInfo[i - 1].bChannel, IEEE80211_IS_CHAN_2GHZ(chan)));
1661 if (matchIndex != -1) {
1662 OS_MEMCPY(pNewPower, &powInfo[matchIndex], sizeof(*pNewPower));
1664 HALASSERT(lowIndex != -1);
1666 * Get the lower and upper channels, target powers,
1667 * and interpolate between them.
1669 clo = fbin2freq(powInfo[lowIndex].bChannel, IEEE80211_IS_CHAN_2GHZ(chan));
1670 chi = fbin2freq(powInfo[lowIndex + 1].bChannel, IEEE80211_IS_CHAN_2GHZ(chan));
1672 for (i = 0; i < numRates; i++) {
1673 pNewPower->tPow2x[i] = (uint8_t)interpolate(freq, clo, chi,
1674 powInfo[lowIndex].tPow2x[i], powInfo[lowIndex + 1].tPow2x[i]);
1678 /**************************************************************
1679 * ar5416GetTargetPowersLeg
1681 * Return the four rates of target power for the given target power table
1682 * channel, and number of channels
1685 ar5416GetTargetPowersLeg(struct ath_hal *ah,
1686 const struct ieee80211_channel *chan,
1687 CAL_TARGET_POWER_LEG *powInfo, uint16_t numChannels,
1688 CAL_TARGET_POWER_LEG *pNewPower, uint16_t numRates,
1689 HAL_BOOL isExtTarget)
1693 int matchIndex = -1, lowIndex = -1;
1695 CHAN_CENTERS centers;
1697 ar5416GetChannelCenters(ah, chan, ¢ers);
1698 freq = (isExtTarget) ? centers.ext_center :centers.ctl_center;
1700 /* Copy the target powers into the temp channel list */
1701 if (freq <= fbin2freq(powInfo[0].bChannel, IEEE80211_IS_CHAN_2GHZ(chan))) {
1704 for (i = 0; (i < numChannels) && (powInfo[i].bChannel != AR5416_BCHAN_UNUSED); i++) {
1705 if (freq == fbin2freq(powInfo[i].bChannel, IEEE80211_IS_CHAN_2GHZ(chan))) {
1708 } else if ((freq < fbin2freq(powInfo[i].bChannel, IEEE80211_IS_CHAN_2GHZ(chan))) &&
1709 (freq > fbin2freq(powInfo[i - 1].bChannel, IEEE80211_IS_CHAN_2GHZ(chan))))
1715 if ((matchIndex == -1) && (lowIndex == -1)) {
1716 HALASSERT(freq > fbin2freq(powInfo[i - 1].bChannel, IEEE80211_IS_CHAN_2GHZ(chan)));
1721 if (matchIndex != -1) {
1722 OS_MEMCPY(pNewPower, &powInfo[matchIndex], sizeof(*pNewPower));
1724 HALASSERT(lowIndex != -1);
1726 * Get the lower and upper channels, target powers,
1727 * and interpolate between them.
1729 clo = fbin2freq(powInfo[lowIndex].bChannel, IEEE80211_IS_CHAN_2GHZ(chan));
1730 chi = fbin2freq(powInfo[lowIndex + 1].bChannel, IEEE80211_IS_CHAN_2GHZ(chan));
1732 for (i = 0; i < numRates; i++) {
1733 pNewPower->tPow2x[i] = (uint8_t)interpolate(freq, clo, chi,
1734 powInfo[lowIndex].tPow2x[i], powInfo[lowIndex + 1].tPow2x[i]);
1739 /**************************************************************
1740 * ar5416SetPowerCalTable
1742 * Pull the PDADC piers from cal data and interpolate them across the given
1743 * points as well as from the nearest pier(s) to get a power detector
1744 * linear voltage to power level table.
1747 ar5416SetPowerCalTable(struct ath_hal *ah, struct ar5416eeprom *pEepData,
1748 const struct ieee80211_channel *chan, int16_t *pTxPowerIndexOffset)
1750 CAL_DATA_PER_FREQ *pRawDataset;
1751 uint8_t *pCalBChans = AH_NULL;
1752 uint16_t pdGainOverlap_t2;
1753 static uint8_t pdadcValues[AR5416_NUM_PDADC_VALUES];
1754 uint16_t gainBoundaries[AR5416_PD_GAINS_IN_MASK];
1755 uint16_t numPiers, i, j;
1756 int16_t tMinCalPower;
1757 uint16_t numXpdGain, xpdMask;
1758 uint16_t xpdGainValues[AR5416_NUM_PD_GAINS];
1759 uint32_t reg32, regOffset, regChainOffset;
1761 OS_MEMZERO(xpdGainValues, sizeof(xpdGainValues));
1763 xpdMask = pEepData->modalHeader[IEEE80211_IS_CHAN_2GHZ(chan)].xpdGain;
1765 if (IS_EEP_MINOR_V2(ah)) {
1766 pdGainOverlap_t2 = pEepData->modalHeader[IEEE80211_IS_CHAN_2GHZ(chan)].pdGainOverlap;
1768 pdGainOverlap_t2 = (uint16_t)(MS(OS_REG_READ(ah, AR_PHY_TPCRG5), AR_PHY_TPCRG5_PD_GAIN_OVERLAP));
1771 if (IEEE80211_IS_CHAN_2GHZ(chan)) {
1772 pCalBChans = pEepData->calFreqPier2G;
1773 numPiers = AR5416_NUM_2G_CAL_PIERS;
1775 pCalBChans = pEepData->calFreqPier5G;
1776 numPiers = AR5416_NUM_5G_CAL_PIERS;
1780 /* Calculate the value of xpdgains from the xpdGain Mask */
1781 for (i = 1; i <= AR5416_PD_GAINS_IN_MASK; i++) {
1782 if ((xpdMask >> (AR5416_PD_GAINS_IN_MASK - i)) & 1) {
1783 if (numXpdGain >= AR5416_NUM_PD_GAINS) {
1787 xpdGainValues[numXpdGain] = (uint16_t)(AR5416_PD_GAINS_IN_MASK - i);
1792 /* Write the detector gain biases and their number */
1793 OS_REG_WRITE(ah, AR_PHY_TPCRG1, (OS_REG_READ(ah, AR_PHY_TPCRG1) &
1794 ~(AR_PHY_TPCRG1_NUM_PD_GAIN | AR_PHY_TPCRG1_PD_GAIN_1 | AR_PHY_TPCRG1_PD_GAIN_2 | AR_PHY_TPCRG1_PD_GAIN_3)) |
1795 SM(numXpdGain - 1, AR_PHY_TPCRG1_NUM_PD_GAIN) | SM(xpdGainValues[0], AR_PHY_TPCRG1_PD_GAIN_1 ) |
1796 SM(xpdGainValues[1], AR_PHY_TPCRG1_PD_GAIN_2) | SM(xpdGainValues[2], AR_PHY_TPCRG1_PD_GAIN_3));
1798 for (i = 0; i < AR5416_MAX_CHAINS; i++) {
1800 if (AR_SREV_OWL_20_OR_LATER(ah) &&
1801 ( AH5416(ah)->ah_rx_chainmask == 0x5 || AH5416(ah)->ah_tx_chainmask == 0x5) && (i != 0)) {
1802 /* Regs are swapped from chain 2 to 1 for 5416 2_0 with
1803 * only chains 0 and 2 populated
1805 regChainOffset = (i == 1) ? 0x2000 : 0x1000;
1807 regChainOffset = i * 0x1000;
1810 if (pEepData->baseEepHeader.txMask & (1 << i)) {
1811 if (IEEE80211_IS_CHAN_2GHZ(chan)) {
1812 pRawDataset = pEepData->calPierData2G[i];
1814 pRawDataset = pEepData->calPierData5G[i];
1817 ar5416GetGainBoundariesAndPdadcs(ah, chan, pRawDataset,
1818 pCalBChans, numPiers,
1820 &tMinCalPower, gainBoundaries,
1821 pdadcValues, numXpdGain);
1823 if ((i == 0) || AR_SREV_OWL_20_OR_LATER(ah)) {
1825 * Note the pdadc table may not start at 0 dBm power, could be
1826 * negative or greater than 0. Need to offset the power
1827 * values by the amount of minPower for griffin
1830 OS_REG_WRITE(ah, AR_PHY_TPCRG5 + regChainOffset,
1831 SM(pdGainOverlap_t2, AR_PHY_TPCRG5_PD_GAIN_OVERLAP) |
1832 SM(gainBoundaries[0], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1) |
1833 SM(gainBoundaries[1], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2) |
1834 SM(gainBoundaries[2], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3) |
1835 SM(gainBoundaries[3], AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4));
1838 /* Write the power values into the baseband power table */
1839 regOffset = AR_PHY_BASE + (672 << 2) + regChainOffset;
1841 for (j = 0; j < 32; j++) {
1842 reg32 = ((pdadcValues[4*j + 0] & 0xFF) << 0) |
1843 ((pdadcValues[4*j + 1] & 0xFF) << 8) |
1844 ((pdadcValues[4*j + 2] & 0xFF) << 16) |
1845 ((pdadcValues[4*j + 3] & 0xFF) << 24) ;
1846 OS_REG_WRITE(ah, regOffset, reg32);
1849 ath_hal_printf(ah, "PDADC: Chain %d | PDADC %3d Value %3d | PDADC %3d Value %3d | PDADC %3d Value %3d | PDADC %3d Value %3d |\n",
1851 4*j, pdadcValues[4*j],
1852 4*j+1, pdadcValues[4*j + 1],
1853 4*j+2, pdadcValues[4*j + 2],
1854 4*j+3, pdadcValues[4*j + 3]);
1860 *pTxPowerIndexOffset = 0;
1865 /**************************************************************
1866 * ar5416GetGainBoundariesAndPdadcs
1868 * Uses the data points read from EEPROM to reconstruct the pdadc power table
1869 * Called by ar5416SetPowerCalTable only.
1872 ar5416GetGainBoundariesAndPdadcs(struct ath_hal *ah,
1873 const struct ieee80211_channel *chan,
1874 CAL_DATA_PER_FREQ *pRawDataSet,
1875 uint8_t * bChans, uint16_t availPiers,
1876 uint16_t tPdGainOverlap, int16_t *pMinCalPower, uint16_t * pPdGainBoundaries,
1877 uint8_t * pPDADCValues, uint16_t numXpdGains)
1881 int16_t ss; /* potentially -ve index for taking care of pdGainOverlap */
1882 uint16_t idxL, idxR, numPiers; /* Pier indexes */
1884 /* filled out Vpd table for all pdGains (chanL) */
1885 static uint8_t vpdTableL[AR5416_NUM_PD_GAINS][AR5416_MAX_PWR_RANGE_IN_HALF_DB];
1887 /* filled out Vpd table for all pdGains (chanR) */
1888 static uint8_t vpdTableR[AR5416_NUM_PD_GAINS][AR5416_MAX_PWR_RANGE_IN_HALF_DB];
1890 /* filled out Vpd table for all pdGains (interpolated) */
1891 static uint8_t vpdTableI[AR5416_NUM_PD_GAINS][AR5416_MAX_PWR_RANGE_IN_HALF_DB];
1893 uint8_t *pVpdL, *pVpdR, *pPwrL, *pPwrR;
1894 uint8_t minPwrT4[AR5416_NUM_PD_GAINS];
1895 uint8_t maxPwrT4[AR5416_NUM_PD_GAINS];
1898 uint16_t sizeCurrVpdTable, maxIndex, tgtIndex;
1900 int16_t minDelta = 0;
1901 CHAN_CENTERS centers;
1903 ar5416GetChannelCenters(ah, chan, ¢ers);
1905 /* Trim numPiers for the number of populated channel Piers */
1906 for (numPiers = 0; numPiers < availPiers; numPiers++) {
1907 if (bChans[numPiers] == AR5416_BCHAN_UNUSED) {
1912 /* Find pier indexes around the current channel */
1913 match = getLowerUpperIndex((uint8_t)FREQ2FBIN(centers.synth_center, IEEE80211_IS_CHAN_2GHZ(chan)),
1914 bChans, numPiers, &idxL, &idxR);
1917 /* Directly fill both vpd tables from the matching index */
1918 for (i = 0; i < numXpdGains; i++) {
1919 minPwrT4[i] = pRawDataSet[idxL].pwrPdg[i][0];
1920 maxPwrT4[i] = pRawDataSet[idxL].pwrPdg[i][4];
1921 ar5416FillVpdTable(minPwrT4[i], maxPwrT4[i], pRawDataSet[idxL].pwrPdg[i],
1922 pRawDataSet[idxL].vpdPdg[i], AR5416_PD_GAIN_ICEPTS, vpdTableI[i]);
1925 for (i = 0; i < numXpdGains; i++) {
1926 pVpdL = pRawDataSet[idxL].vpdPdg[i];
1927 pPwrL = pRawDataSet[idxL].pwrPdg[i];
1928 pVpdR = pRawDataSet[idxR].vpdPdg[i];
1929 pPwrR = pRawDataSet[idxR].pwrPdg[i];
1931 /* Start Vpd interpolation from the max of the minimum powers */
1932 minPwrT4[i] = AH_MAX(pPwrL[0], pPwrR[0]);
1934 /* End Vpd interpolation from the min of the max powers */
1935 maxPwrT4[i] = AH_MIN(pPwrL[AR5416_PD_GAIN_ICEPTS - 1], pPwrR[AR5416_PD_GAIN_ICEPTS - 1]);
1936 HALASSERT(maxPwrT4[i] > minPwrT4[i]);
1938 /* Fill pier Vpds */
1939 ar5416FillVpdTable(minPwrT4[i], maxPwrT4[i], pPwrL, pVpdL, AR5416_PD_GAIN_ICEPTS, vpdTableL[i]);
1940 ar5416FillVpdTable(minPwrT4[i], maxPwrT4[i], pPwrR, pVpdR, AR5416_PD_GAIN_ICEPTS, vpdTableR[i]);
1942 /* Interpolate the final vpd */
1943 for (j = 0; j <= (maxPwrT4[i] - minPwrT4[i]) / 2; j++) {
1944 vpdTableI[i][j] = (uint8_t)(interpolate((uint16_t)FREQ2FBIN(centers.synth_center, IEEE80211_IS_CHAN_2GHZ(chan)),
1945 bChans[idxL], bChans[idxR], vpdTableL[i][j], vpdTableR[i][j]));
1949 *pMinCalPower = (int16_t)(minPwrT4[0] / 2);
1951 k = 0; /* index for the final table */
1952 for (i = 0; i < numXpdGains; i++) {
1953 if (i == (numXpdGains - 1)) {
1954 pPdGainBoundaries[i] = (uint16_t)(maxPwrT4[i] / 2);
1956 pPdGainBoundaries[i] = (uint16_t)((maxPwrT4[i] + minPwrT4[i+1]) / 4);
1959 pPdGainBoundaries[i] = (uint16_t)AH_MIN(AR5416_MAX_RATE_POWER, pPdGainBoundaries[i]);
1961 /* NB: only applies to owl 1.0 */
1962 if ((i == 0) && !AR_SREV_OWL_20_OR_LATER(ah) ) {
1964 * fix the gain delta, but get a delta that can be applied to min to
1965 * keep the upper power values accurate, don't think max needs to
1966 * be adjusted because should not be at that area of the table?
1968 minDelta = pPdGainBoundaries[0] - 23;
1969 pPdGainBoundaries[0] = 23;
1975 /* Find starting index for this pdGain */
1977 ss = 0; /* for the first pdGain, start from index 0 */
1979 /* need overlap entries extrapolated below. */
1980 ss = (int16_t)((pPdGainBoundaries[i-1] - (minPwrT4[i] / 2)) - tPdGainOverlap + 1 + minDelta);
1982 vpdStep = (int16_t)(vpdTableI[i][1] - vpdTableI[i][0]);
1983 vpdStep = (int16_t)((vpdStep < 1) ? 1 : vpdStep);
1985 *-ve ss indicates need to extrapolate data below for this pdGain
1987 while ((ss < 0) && (k < (AR5416_NUM_PDADC_VALUES - 1))) {
1988 tmpVal = (int16_t)(vpdTableI[i][0] + ss * vpdStep);
1989 pPDADCValues[k++] = (uint8_t)((tmpVal < 0) ? 0 : tmpVal);
1993 sizeCurrVpdTable = (uint8_t)((maxPwrT4[i] - minPwrT4[i]) / 2 +1);
1994 tgtIndex = (uint8_t)(pPdGainBoundaries[i] + tPdGainOverlap - (minPwrT4[i] / 2));
1995 maxIndex = (tgtIndex < sizeCurrVpdTable) ? tgtIndex : sizeCurrVpdTable;
1997 while ((ss < maxIndex) && (k < (AR5416_NUM_PDADC_VALUES - 1))) {
1998 pPDADCValues[k++] = vpdTableI[i][ss++];
2001 vpdStep = (int16_t)(vpdTableI[i][sizeCurrVpdTable - 1] - vpdTableI[i][sizeCurrVpdTable - 2]);
2002 vpdStep = (int16_t)((vpdStep < 1) ? 1 : vpdStep);
2004 * for last gain, pdGainBoundary == Pmax_t2, so will
2005 * have to extrapolate
2007 if (tgtIndex > maxIndex) { /* need to extrapolate above */
2008 while ((ss <= tgtIndex) && (k < (AR5416_NUM_PDADC_VALUES - 1))) {
2009 tmpVal = (int16_t)((vpdTableI[i][sizeCurrVpdTable - 1] +
2010 (ss - maxIndex +1) * vpdStep));
2011 pPDADCValues[k++] = (uint8_t)((tmpVal > 255) ? 255 : tmpVal);
2014 } /* extrapolated above */
2015 } /* for all pdGainUsed */
2017 /* Fill out pdGainBoundaries - only up to 2 allowed here, but hardware allows up to 4 */
2018 while (i < AR5416_PD_GAINS_IN_MASK) {
2019 pPdGainBoundaries[i] = pPdGainBoundaries[i-1];
2023 while (k < AR5416_NUM_PDADC_VALUES) {
2024 pPDADCValues[k] = pPDADCValues[k-1];
2030 /**************************************************************
2031 * getLowerUppderIndex
2033 * Return indices surrounding the value in sorted integer lists.
2034 * Requirement: the input list must be monotonically increasing
2035 * and populated up to the list size
2036 * Returns: match is set if an index in the array matches exactly
2037 * or a the target is before or after the range of the array.
2040 getLowerUpperIndex(uint8_t target, uint8_t *pList, uint16_t listSize,
2041 uint16_t *indexL, uint16_t *indexR)
2046 * Check first and last elements for beyond ordered array cases.
2048 if (target <= pList[0]) {
2049 *indexL = *indexR = 0;
2052 if (target >= pList[listSize-1]) {
2053 *indexL = *indexR = (uint16_t)(listSize - 1);
2057 /* look for value being near or between 2 values in list */
2058 for (i = 0; i < listSize - 1; i++) {
2060 * If value is close to the current value of the list
2061 * then target is not between values, it is one of the values
2063 if (pList[i] == target) {
2064 *indexL = *indexR = i;
2068 * Look for value being between current value and next value
2069 * if so return these 2 values
2071 if (target < pList[i + 1]) {
2073 *indexR = (uint16_t)(i + 1);
2078 *indexL = *indexR = 0;
2082 /**************************************************************
2083 * ar5416FillVpdTable
2085 * Fill the Vpdlist for indices Pmax-Pmin
2086 * Note: pwrMin, pwrMax and Vpdlist are all in dBm * 4
2089 ar5416FillVpdTable(uint8_t pwrMin, uint8_t pwrMax, uint8_t *pPwrList,
2090 uint8_t *pVpdList, uint16_t numIntercepts, uint8_t *pRetVpdList)
2093 uint8_t currPwr = pwrMin;
2094 uint16_t idxL, idxR;
2096 HALASSERT(pwrMax > pwrMin);
2097 for (i = 0; i <= (pwrMax - pwrMin) / 2; i++) {
2098 getLowerUpperIndex(currPwr, pPwrList, numIntercepts,
2101 idxR = 1; /* extrapolate below */
2102 if (idxL == numIntercepts - 1)
2103 idxL = (uint16_t)(numIntercepts - 2); /* extrapolate above */
2104 if (pPwrList[idxL] == pPwrList[idxR])
2107 k = (uint16_t)( ((currPwr - pPwrList[idxL]) * pVpdList[idxR] + (pPwrList[idxR] - currPwr) * pVpdList[idxL]) /
2108 (pPwrList[idxR] - pPwrList[idxL]) );
2110 pRetVpdList[i] = (uint8_t)k;
2111 currPwr += 2; /* half dB steps */
2117 /**************************************************************************
2120 * Returns signed interpolated or the scaled up interpolated value
2123 interpolate(uint16_t target, uint16_t srcLeft, uint16_t srcRight,
2124 int16_t targetLeft, int16_t targetRight)
2128 if (srcRight == srcLeft) {
2131 rv = (int16_t)( ((target - srcLeft) * targetRight +
2132 (srcRight - target) * targetLeft) / (srcRight - srcLeft) );
2138 ar5416Set11nRegs(struct ath_hal *ah, const struct ieee80211_channel *chan)
2141 HAL_HT_MACMODE macmode; /* MAC - 20/40 mode */
2143 if (!IEEE80211_IS_CHAN_HT(chan))
2146 /* Enable 11n HT, 20 MHz */
2147 phymode = AR_PHY_FC_HT_EN | AR_PHY_FC_SHORT_GI_40
2148 | AR_PHY_FC_SINGLE_HT_LTF1 | AR_PHY_FC_WALSH;
2150 /* Configure baseband for dynamic 20/40 operation */
2151 if (IEEE80211_IS_CHAN_HT40(chan)) {
2152 phymode |= AR_PHY_FC_DYN2040_EN | AR_PHY_FC_SHORT_GI_40;
2154 /* Configure control (primary) channel at +-10MHz */
2155 if (IEEE80211_IS_CHAN_HT40U(chan))
2156 phymode |= AR_PHY_FC_DYN2040_PRI_CH;
2158 /* Configure 20/25 spacing */
2159 if (ht->ht_extprotspacing == HAL_HT_EXTPROTSPACING_25)
2160 phymode |= AR_PHY_FC_DYN2040_EXT_CH;
2162 macmode = HAL_HT_MACMODE_2040;
2164 macmode = HAL_HT_MACMODE_20;
2165 OS_REG_WRITE(ah, AR_PHY_TURBO, phymode);
2167 /* Configure MAC for 20/40 operation */
2168 ar5416Set11nMac2040(ah, macmode);
2170 /* global transmit timeout (25 TUs default)*/
2171 /* XXX - put this elsewhere??? */
2172 OS_REG_WRITE(ah, AR_GTXTO, 25 << AR_GTXTO_TIMEOUT_LIMIT_S) ;
2174 /* carrier sense timeout */
2175 OS_REG_SET_BIT(ah, AR_GTTM, AR_GTTM_CST_USEC);
2176 OS_REG_WRITE(ah, AR_CST, 1 << AR_CST_TIMEOUT_LIMIT_S);
2180 ar5416GetChannelCenters(struct ath_hal *ah,
2181 const struct ieee80211_channel *chan, CHAN_CENTERS *centers)
2183 uint16_t freq = ath_hal_gethwchannel(ah, chan);
2185 centers->ctl_center = freq;
2186 centers->synth_center = freq;
2188 * In 20/40 phy mode, the center frequency is
2189 * "between" the control and extension channels.
2191 if (IEEE80211_IS_CHAN_HT40U(chan)) {
2192 centers->synth_center += HT40_CHANNEL_CENTER_SHIFT;
2193 centers->ext_center =
2194 centers->synth_center + HT40_CHANNEL_CENTER_SHIFT;
2195 } else if (IEEE80211_IS_CHAN_HT40D(chan)) {
2196 centers->synth_center -= HT40_CHANNEL_CENTER_SHIFT;
2197 centers->ext_center =
2198 centers->synth_center - HT40_CHANNEL_CENTER_SHIFT;
2200 centers->ext_center = freq;