Ejemplo n.º 1
0
static int
write_common(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
	HAL_BOOL bChannelChange, int writes)
{
#define IS_NO_RESET_TIMER_ADDR(x)                      \
    ( (((x) >= AR_BEACON) && ((x) <= AR_CFP_DUR)) || \
      (((x) >= AR_SLEEP1) && ((x) <= AR_SLEEP3)))
#define	V(r, c)	(ia)->data[((r)*(ia)->cols) + (c)]
	int i;

	/* Write Common Array Parameters */
	for (i = 0; i < ia->rows; i++) {
		uint32_t reg = V(i, 0);
		/* XXX timer/beacon setup registers? */
		/* On channel change, don't reset the PCU registers */
		if (!(bChannelChange && IS_NO_RESET_TIMER_ADDR(reg))) {
			OS_REG_WRITE(ah, reg, V(i, 1));
			DMA_YIELD(writes);
		}
	}
	return writes;
#undef IS_NO_RESET_TIMER_ADDR
#undef V
}
Ejemplo n.º 2
0
static void
ar9280WriteIni(struct ath_hal *ah, const struct ieee80211_channel *chan)
{
	u_int modesIndex, freqIndex;
	int regWrites = 0;
	int i;
	const HAL_INI_ARRAY *ia;

	/* Setup the indices for the next set of register array writes */
	/* XXX Ignore 11n dynamic mode on the AR5416 for the moment */
	if (IEEE80211_IS_CHAN_2GHZ(chan)) {
		freqIndex = 2;
		if (IEEE80211_IS_CHAN_HT40(chan))
			modesIndex = 3;
		else if (IEEE80211_IS_CHAN_108G(chan))
			modesIndex = 5;
		else
			modesIndex = 4;
	} else {
		freqIndex = 1;
		if (IEEE80211_IS_CHAN_HT40(chan) ||
		    IEEE80211_IS_CHAN_TURBO(chan))
			modesIndex = 2;
		else
			modesIndex = 1;
	}

	/* Set correct Baseband to analog shift setting to access analog chips. */
	OS_REG_WRITE(ah, AR_PHY(0), 0x00000007);
	OS_REG_WRITE(ah, AR_PHY_ADC_SERIAL_CTL, AR_PHY_SEL_INTERNAL_ADDAC);

	/*
	 * This is unwound because at the moment, there's a requirement
	 * for Merlin (and later, perhaps) to have a specific bit fixed
	 * in the AR_AN_TOP2 register before writing it.
	 */
	ia = &AH5212(ah)->ah_ini_modes;
#if 0
	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_modes,
	    modesIndex, regWrites);
#endif
	HALASSERT(modesIndex < ia->cols);
	for (i = 0; i < ia->rows; i++) {
		uint32_t reg = HAL_INI_VAL(ia, i, 0);
		uint32_t val = HAL_INI_VAL(ia, i, modesIndex);

		if (reg == AR_AN_TOP2 && AH5416(ah)->ah_need_an_top2_fixup)
			val &= ~AR_AN_TOP2_PWDCLKIND;

		OS_REG_WRITE(ah, reg, val);

		/* Analog shift register delay seems needed for Merlin - PR kern/154220 */
		if (reg >= 0x7800 && reg < 0x7900)
			OS_DELAY(100);

		DMA_YIELD(regWrites);
	}

	if (AR_SREV_MERLIN_20_OR_LATER(ah)) {
		regWrites = ath_hal_ini_write(ah, &AH9280(ah)->ah_ini_rxgain,
		    modesIndex, regWrites);
		regWrites = ath_hal_ini_write(ah, &AH9280(ah)->ah_ini_txgain,
		    modesIndex, regWrites);
	}
	/* XXX Merlin 100us delay for shift registers */
	regWrites = ath_hal_ini_write(ah, &AH5212(ah)->ah_ini_common,
	    1, regWrites);

	if (AR_SREV_MERLIN_20(ah) && IS_5GHZ_FAST_CLOCK_EN(ah, chan)) {
		/* 5GHz channels w/ Fast Clock use different modal values */
		regWrites = ath_hal_ini_write(ah, &AH9280(ah)->ah_ini_xmodes,
		    modesIndex, regWrites);
	}
}