1 /*-
2  * SPDX-License-Identifier: ISC
4  * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
5  * Copyright (c) 2002-2006 Atheros Communications, Inc.
30 #define	AR_NUM_GPIO	6		/* 6 GPIO bits */
31 #define	AR_GPIOD_MASK	0x2f		/* 6-bit mask */
38 	OS_MEMCPY(mac, ahp->ah_macaddr, IEEE80211_ADDR_LEN);  in ar5211GetMacAddress()
46 	OS_MEMCPY(ahp->ah_macaddr, mac, IEEE80211_ADDR_LEN);  in ar5211SetMacAddress()
104 	if (AH_PRIVATE(ah)->ah_currentRD == regDomain) {  in ar5211SetRegulatoryDomain()
111 	 * permit re-writing that segment of the EEPROM.  in ar5211SetRegulatoryDomain()
122 		AH_PRIVATE(ah)->ah_currentRD = regDomain;  in ar5211SetRegulatoryDomain()
159 	return (AH5211(ah)->ah_turboDisable != 0);
164  * Called if RfKill is supported (according to EEPROM).  Set the interrupt and
165  * GPIO values so the ISR and can disable RF on a switch signal
170 	uint16_t rfsilent = AH_PRIVATE(ah)->ah_rfsilent;  in ar5211EnableRfKill()
175 	 * Configure the desired GPIO port for input  in ar5211EnableRfKill()
181 	 * If radio disable switch connection to GPIO bit x is enabled  in ar5211EnableRfKill()
182 	 * program GPIO interrupt.  in ar5211EnableRfKill()
183 	 * If rfkill bit on eeprom is 1, setupeeprommap routine has already  in ar5211EnableRfKill()
185 	 * rfkill bit and it is set to 1, indicating that GPIO bit x hardware  in ar5211EnableRfKill()
192  * Configure GPIO Output lines
195 ar5211GpioCfgOutput(struct ath_hal *ah, uint32_t gpio, HAL_GPIO_MUX_TYPE type)  in ar5211GpioCfgOutput()  argument
199 	HALASSERT(gpio < AR_NUM_GPIO);  in ar5211GpioCfgOutput()
202 	reg &= ~(AR_GPIOCR_0_CR_A << (gpio * AR_GPIOCR_CR_SHIFT));  in ar5211GpioCfgOutput()
203 	reg |= AR_GPIOCR_0_CR_A << (gpio * AR_GPIOCR_CR_SHIFT);  in ar5211GpioCfgOutput()
210  * Configure GPIO Input lines
213 ar5211GpioCfgInput(struct ath_hal *ah, uint32_t gpio)  in ar5211GpioCfgInput()  argument
217 	HALASSERT(gpio < AR_NUM_GPIO);  in ar5211GpioCfgInput()
220 	reg &= ~(AR_GPIOCR_0_CR_A << (gpio * AR_GPIOCR_CR_SHIFT));  in ar5211GpioCfgInput()
221 	reg |= AR_GPIOCR_0_CR_N << (gpio * AR_GPIOCR_CR_SHIFT);  in ar5211GpioCfgInput()
228  * Once configured for I/O - set output lines
231 ar5211GpioSet(struct ath_hal *ah, uint32_t gpio, uint32_t val)  in ar5211GpioSet()  argument
235 	HALASSERT(gpio < AR_NUM_GPIO);  in ar5211GpioSet()
238 	reg &= ~(1 << gpio);  in ar5211GpioSet()
239 	reg |= (val&1) << gpio;  in ar5211GpioSet()
246  * Once configured for I/O - get input lines
249 ar5211GpioGet(struct ath_hal *ah, uint32_t gpio)  in ar5211GpioGet()  argument
251 	if (gpio < AR_NUM_GPIO) {  in ar5211GpioGet()
253 		val = ((val & AR_GPIOD_MASK) >> gpio) & 0x1;  in ar5211GpioGet()
261  * Set the GPIO 0 Interrupt (gpio is ignored)
264 ar5211GpioSetIntr(struct ath_hal *ah, u_int gpio, uint32_t ilevel)  in ar5211GpioSetIntr()  argument
280 	ar5211SetInterrupts(ah, AH5211(ah)->ah_maskReg | HAL_INT_GPIO);  in ar5211GpioSetIntr()
317 	/* XXX save bssid for possible re-use on reset */  in ar5211WriteAssocid()
318 	OS_MEMCPY(ahp->ah_bssid, bssid, IEEE80211_ADDR_LEN);  in ar5211WriteAssocid()
319 	OS_REG_WRITE(ah, AR_BSS_ID0, LE_READ_4(ahp->ah_bssid));  in ar5211WriteAssocid()
320 	OS_REG_WRITE(ah, AR_BSS_ID1, LE_READ_2(ahp->ah_bssid+4) |  in ar5211WriteAssocid()
332 	/* sync multi-word read */  in ar5211GetTsf64()
339 		 * then we re-reading AR_TSF_U32 does no good as the  in ar5211GetTsf64()
342 		 * to check for rollover doesn't help if preempted--so  in ar5211GetTsf64()
373  * Grab a semi-random value from hardware registers - may not
383 		nf = 0 - ((nf ^ 0x1ff) + 1);  in ar5211GetRandomSeed()
405 	return (AH_PRIVATE(ah)->ah_macVersion == macVersion &&  in ar5211DetectCardPresent()
406 		AH_PRIVATE(ah)->ah_macRev == macRev);  in ar5211DetectCardPresent()
415 	stats->ackrcv_bad += OS_REG_READ(ah, AR_ACK_FAIL);  in ar5211UpdateMibCounters()
416 	stats->rts_bad	  += OS_REG_READ(ah, AR_RTS_FAIL);  in ar5211UpdateMibCounters()
417 	stats->fcs_bad	  += OS_REG_READ(ah, AR_FCS_FAIL);  in ar5211UpdateMibCounters()
418 	stats->rts_good	  += OS_REG_READ(ah, AR_RTS_OK);  in ar5211UpdateMibCounters()
419 	stats->beacons	  += OS_REG_READ(ah, AR_BEACON_CNT);  in ar5211UpdateMibCounters()
430 		ahp->ah_sifstime = (u_int) -1;	/* restore default handling */  in ar5211SetSifsTime()
435 		ahp->ah_slottime = us;  in ar5211SetSifsTime()
455 		ahp->ah_slottime = us;	/* restore default handling */  in ar5211SetSlotTime()
460 		ahp->ah_slottime = us;  in ar5211SetSlotTime()
480 		ahp->ah_acktimeout = (u_int) -1; /* restore default handling */  in ar5211SetAckTimeout()
486 		ahp->ah_acktimeout = us;  in ar5211SetAckTimeout()
501 	return ((AH5211(ah)->ah_staId1Defaults & AR_STA_ID1_ACKCTS_6MB) == 0);  in ar5211GetAckCTSRate()
511 		ahp->ah_staId1Defaults &= ~AR_STA_ID1_ACKCTS_6MB;  in ar5211SetAckCTSRate()
514 		ahp->ah_staId1Defaults |= AR_STA_ID1_ACKCTS_6MB;  in ar5211SetAckCTSRate()
527 		ahp->ah_ctstimeout = (u_int) -1; /* restore default handling */  in ar5211SetCTSTimeout()
533 		ahp->ah_ctstimeout = us;  in ar5211SetCTSTimeout()
613 	return AH5211(ah)->ah_diversityControl;  in ar5211GetAntennaSwitch()
619 	const struct ieee80211_channel *chan = AH_PRIVATE(ah)->ah_curchan;  in ar5211SetAntennaSwitch()
622 		AH5211(ah)->ah_diversityControl = settings;  in ar5211SetAntennaSwitch()
660 		AH_PRIVATE(ah)->ah_diagreg = setting;  in ar5211SetCapability()
662 		AH_PRIVATE(ah)->ah_diagreg = setting & 0x6;	/* ACK+CTS */  in ar5211SetCapability()
664 		OS_REG_WRITE(ah, AR_DIAG_SW, AH_PRIVATE(ah)->ah_diagreg);  in ar5211SetCapability()
687 		*result = &ahp->ah_gainValues;  in ar5211GetDiagState()
691 		*result = __DECONST(void *, ahp->ah_gainValues.currStep);  in ar5211GetDiagState()