return NULL;
}
-static void ath9k_hw_set_defaults(struct ath_hw *ah)
+static void ath9k_hw_init_config(struct ath_hw *ah)
{
int i;
ah->config.cck_trig_high = 200;
ah->config.cck_trig_low = 100;
ah->config.enable_ani = 1;
- ah->config.diversity_control = 0;
+ ah->config.diversity_control = ATH9K_ANT_VARIABLE;
ah->config.antenna_switch_swap = 0;
for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
ah->config.serialize_regmode = SER_REG_MODE_AUTO;
}
-static void ath9k_hw_newstate(struct ath_hw *ah)
+static void ath9k_hw_init_defaults(struct ath_hw *ah)
{
ah->hw_version.magic = AR5416_MAGIC;
ah->regulatory.country_code = CTRY_DEFAULT;
ah->regulatory.power_limit = MAX_RATE_POWER;
ah->regulatory.tp_scale = ATH9K_TP_SCALE_MAX;
ah->atim_window = 0;
- ah->diversity_control = ah->config.diversity_control;
- ah->antenna_switch_swap =
- ah->config.antenna_switch_swap;
ah->sta_id1_defaults = AR_STA_ID1_CRPT_MIC_ENABLE;
ah->beacon_interval = 100;
ah->enable_32kHz_clock = DONT_USE_32KHZ;
}
}
-static int ath9k_hw_post_attach(struct ath_hw *ah)
+static int ath9k_hw_post_init(struct ath_hw *ah)
{
int ecode;
if (ecode != 0)
return ecode;
- ecode = ath9k_hw_eeprom_attach(ah);
+ ecode = ath9k_hw_eeprom_init(ah);
if (ecode != 0)
return ecode;
if (!AR_SREV_9100(ah)) {
ath9k_hw_ani_setup(ah);
- ath9k_hw_ani_attach(ah);
+ ath9k_hw_ani_init(ah);
}
return 0;
return false;
}
-int ath9k_hw_attach(struct ath_hw *ah)
+static bool ath9k_hw_macversion_supported(u32 macversion)
{
- int r;
- u32 i, j;
-
- if (!ath9k_hw_devid_supported(ah->hw_version.devid)) {
- r = -EOPNOTSUPP;
- goto bad;
- }
-
- ath9k_hw_newstate(ah);
- ath9k_hw_set_defaults(ah);
-
- if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) {
- DPRINTF(ah->ah_sc, ATH_DBG_FATAL, "Couldn't reset chip\n");
- r = -EIO;
- goto bad;
- }
-
- if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) {
- DPRINTF(ah->ah_sc, ATH_DBG_FATAL, "Couldn't wakeup chip\n");
- r = -EIO;
- goto bad;
- }
-
- if (ah->config.serialize_regmode == SER_REG_MODE_AUTO) {
- if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCI ||
- (AR_SREV_9280(ah) && !ah->is_pciexpress)) {
- ah->config.serialize_regmode =
- SER_REG_MODE_ON;
- } else {
- ah->config.serialize_regmode =
- SER_REG_MODE_OFF;
- }
- }
-
- DPRINTF(ah->ah_sc, ATH_DBG_RESET, "serialize_regmode is %d\n",
- ah->config.serialize_regmode);
-
- switch (ah->hw_version.macVersion) {
+ switch (macversion) {
case AR_SREV_VERSION_5416_PCI:
case AR_SREV_VERSION_5416_PCIE:
case AR_SREV_VERSION_9160:
case AR_SREV_VERSION_9280:
case AR_SREV_VERSION_9285:
case AR_SREV_VERSION_9287:
- break;
+ return true;
+ /* Not yet */
+ case AR_SREV_VERSION_9271:
default:
- DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
- "Mac Chip Rev 0x%02x.%x is not supported by "
- "this driver\n", ah->hw_version.macVersion,
- ah->hw_version.macRev);
- r = -EOPNOTSUPP;
- goto bad;
- }
-
- if (AR_SREV_9100(ah)) {
- ah->iq_caldata.calData = &iq_cal_multi_sample;
- ah->supp_cals = IQ_MISMATCH_CAL;
- ah->is_pciexpress = false;
+ break;
}
- ah->hw_version.phyRev = REG_READ(ah, AR_PHY_CHIP_ID);
+ return false;
+}
+static void ath9k_hw_init_cal_settings(struct ath_hw *ah)
+{
if (AR_SREV_9160_10_OR_LATER(ah)) {
if (AR_SREV_9280_10_OR_LATER(ah)) {
ah->iq_caldata.calData = &iq_cal_single_sample;
}
ah->supp_cals = ADC_GAIN_CAL | ADC_DC_CAL | IQ_MISMATCH_CAL;
}
+}
+
+static void ath9k_hw_init_mode_regs(struct ath_hw *ah)
+{
+ if (AR_SREV_9271(ah)) {
+ INIT_INI_ARRAY(&ah->iniModes, ar9271Modes_9271_1_0,
+ ARRAY_SIZE(ar9271Modes_9271_1_0), 6);
+ INIT_INI_ARRAY(&ah->iniCommon, ar9271Common_9271_1_0,
+ ARRAY_SIZE(ar9271Common_9271_1_0), 2);
+ return;
+ }
- ah->ani_function = ATH9K_ANI_ALL;
- if (AR_SREV_9280_10_OR_LATER(ah))
- ah->ani_function &= ~ATH9K_ANI_NOISE_IMMUNITY_LEVEL;
if (AR_SREV_9287_11_OR_LATER(ah)) {
INIT_INI_ARRAY(&ah->iniModes, ar9287Modes_9287_1_1,
ARRAY_SIZE(ar9287Modes_9287_1_1), 6);
INIT_INI_ARRAY(&ah->iniAddac, ar5416Addac,
ARRAY_SIZE(ar5416Addac), 2);
}
+}
- if (ah->is_pciexpress)
- ath9k_hw_configpcipowersave(ah, 0);
- else
- ath9k_hw_disablepcie(ah);
-
- r = ath9k_hw_post_attach(ah);
- if (r)
- goto bad;
-
+static void ath9k_hw_init_mode_gain_regs(struct ath_hw *ah)
+{
if (AR_SREV_9287_11(ah))
INIT_INI_ARRAY(&ah->iniModesRxGain,
ar9287Modes_rx_gain_9287_1_1,
}
}
+}
- ath9k_hw_fill_cap_info(ah);
+static void ath9k_hw_init_11a_eeprom_fix(struct ath_hw *ah)
+{
+ u32 i, j;
if ((ah->hw_version.devid == AR9280_DEVID_PCI) &&
test_bit(ATH9K_MODE_11A, ah->caps.wireless_modes)) {
}
}
}
+}
+
+int ath9k_hw_init(struct ath_hw *ah)
+{
+ int r = 0;
+
+ if (!ath9k_hw_devid_supported(ah->hw_version.devid))
+ return -EOPNOTSUPP;
+
+ ath9k_hw_init_defaults(ah);
+ ath9k_hw_init_config(ah);
+
+ if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) {
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL, "Couldn't reset chip\n");
+ return -EIO;
+ }
+
+ if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) {
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL, "Couldn't wakeup chip\n");
+ return -EIO;
+ }
+
+ if (ah->config.serialize_regmode == SER_REG_MODE_AUTO) {
+ if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCI ||
+ (AR_SREV_9280(ah) && !ah->is_pciexpress)) {
+ ah->config.serialize_regmode =
+ SER_REG_MODE_ON;
+ } else {
+ ah->config.serialize_regmode =
+ SER_REG_MODE_OFF;
+ }
+ }
+
+ DPRINTF(ah->ah_sc, ATH_DBG_RESET, "serialize_regmode is %d\n",
+ ah->config.serialize_regmode);
+
+ if (!ath9k_hw_macversion_supported(ah->hw_version.macVersion)) {
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
+ "Mac Chip Rev 0x%02x.%x is not supported by "
+ "this driver\n", ah->hw_version.macVersion,
+ ah->hw_version.macRev);
+ return -EOPNOTSUPP;
+ }
+
+ if (AR_SREV_9100(ah)) {
+ ah->iq_caldata.calData = &iq_cal_multi_sample;
+ ah->supp_cals = IQ_MISMATCH_CAL;
+ ah->is_pciexpress = false;
+ }
+
+ if (AR_SREV_9271(ah))
+ ah->is_pciexpress = false;
+
+ ah->hw_version.phyRev = REG_READ(ah, AR_PHY_CHIP_ID);
+
+ ath9k_hw_init_cal_settings(ah);
+
+ ah->ani_function = ATH9K_ANI_ALL;
+ if (AR_SREV_9280_10_OR_LATER(ah))
+ ah->ani_function &= ~ATH9K_ANI_NOISE_IMMUNITY_LEVEL;
+
+ ath9k_hw_init_mode_regs(ah);
+
+ if (ah->is_pciexpress)
+ ath9k_hw_configpcipowersave(ah, 0);
+ else
+ ath9k_hw_disablepcie(ah);
+
+ r = ath9k_hw_post_init(ah);
+ if (r)
+ return r;
+
+ ath9k_hw_init_mode_gain_regs(ah);
+ ath9k_hw_fill_cap_info(ah);
+ ath9k_hw_init_11a_eeprom_fix(ah);
r = ath9k_hw_init_macaddr(ah);
if (r) {
DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
"Failed to initialize MAC address\n");
- goto bad;
+ return r;
}
- if (AR_SREV_9285(ah))
+ if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
ah->tx_trig_level = (AR_FTRIG_256B >> AR_FTRIG_S);
else
ah->tx_trig_level = (AR_FTRIG_512B >> AR_FTRIG_S);
ath9k_init_nfcal_hist_buffer(ah);
return 0;
-bad:
- ath9k_hw_detach(ah);
- return r;
}
static void ath9k_hw_init_bb(struct ath_hw *ah,
void ath9k_hw_detach(struct ath_hw *ah)
{
if (!AR_SREV_9100(ah))
- ath9k_hw_ani_detach(ah);
+ ath9k_hw_ani_disable(ah);
- ath9k_hw_rfdetach(ah);
+ ath9k_hw_rf_free(ah);
ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
kfree(ah);
+ ah = NULL;
}
/*******/
static void ath9k_hw_override_ini(struct ath_hw *ah,
struct ath9k_channel *chan)
{
+ u32 val;
+
+ if (AR_SREV_9271(ah)) {
+ /*
+ * Enable spectral scan to solution for issues with stuck
+ * beacons on AR9271 1.0. The beacon stuck issue is not seeon on
+ * AR9271 1.1
+ */
+ if (AR_SREV_9271_10(ah)) {
+ val = REG_READ(ah, AR_PHY_SPECTRAL_SCAN) | AR_PHY_SPECTRAL_SCAN_ENABLE;
+ REG_WRITE(ah, AR_PHY_SPECTRAL_SCAN, val);
+ }
+ else if (AR_SREV_9271_11(ah))
+ /*
+ * change AR_PHY_RF_CTL3 setting to fix MAC issue
+ * present on AR9271 1.1
+ */
+ REG_WRITE(ah, AR_PHY_RF_CTL3, 0x3a020001);
+ return;
+ }
+
/*
* Set the RX_ABORT and RX_DIS and clear if off only after
* RXE is set for MAC. This prevents frames with corrupted
if (!AR_SREV_5416_20_OR_LATER(ah) ||
AR_SREV_9280_10_OR_LATER(ah))
return;
-
+ /*
+ * Disable BB clock gating
+ * Necessary to avoid issues on AR5416 2.0
+ */
REG_WRITE(ah, 0x9800 + (651 << 2), 0x11);
}
{
u32 i;
- for (i = 0; i < AR9280_TX_GAIN_TABLE_SIZE; i++)
- ah->originalGain[i] =
- MS(REG_READ(ah, AR_PHY_TX_GAIN_TBL1 + i * 4),
- AR_PHY_TX_GAIN);
- ah->PDADCdelta = 0;
+ if (OLC_FOR_AR9287_10_LATER) {
+ REG_SET_BIT(ah, AR_PHY_TX_PWRCTRL9,
+ AR_PHY_TX_PWRCTRL9_RES_DC_REMOVAL);
+ ath9k_hw_analog_shift_rmw(ah, AR9287_AN_TXPC0,
+ AR9287_AN_TXPC0_TXPCMODE,
+ AR9287_AN_TXPC0_TXPCMODE_S,
+ AR9287_AN_TXPC0_TXPCMODE_TEMPSENSE);
+ udelay(100);
+ } else {
+ for (i = 0; i < AR9280_TX_GAIN_TABLE_SIZE; i++)
+ ah->originalGain[i] =
+ MS(REG_READ(ah, AR_PHY_TX_GAIN_TBL1 + i * 4),
+ AR_PHY_TX_GAIN);
+ ah->PDADCdelta = 0;
+ }
}
static u32 ath9k_regd_get_ctl(struct ath_regulatory *reg,
{
u32 regval;
+ /*
+ * set AHB_MODE not to do cacheline prefetches
+ */
regval = REG_READ(ah, AR_AHB_MODE);
REG_WRITE(ah, AR_AHB_MODE, regval | AR_AHB_PREFETCH_RD_EN);
+ /*
+ * let mac dma reads be in 128 byte chunks
+ */
regval = REG_READ(ah, AR_TXCFG) & ~AR_TXCFG_DMASZ_MASK;
REG_WRITE(ah, AR_TXCFG, regval | AR_TXCFG_DMASZ_128B);
+ /*
+ * Restore TX Trigger Level to its pre-reset value.
+ * The initial value depends on whether aggregation is enabled, and is
+ * adjusted whenever underruns are detected.
+ */
REG_RMW_FIELD(ah, AR_TXCFG, AR_FTRIG, ah->tx_trig_level);
+ /*
+ * let mac dma writes be in 128 byte chunks
+ */
regval = REG_READ(ah, AR_RXCFG) & ~AR_RXCFG_DMASZ_MASK;
REG_WRITE(ah, AR_RXCFG, regval | AR_RXCFG_DMASZ_128B);
+ /*
+ * Setup receive FIFO threshold to hold off TX activities
+ */
REG_WRITE(ah, AR_RXFIFO_CFG, 0x200);
+ /*
+ * reduce the number of usable entries in PCU TXBUF to avoid
+ * wrap around issues.
+ */
if (AR_SREV_9285(ah)) {
+ /* For AR9285 the number of Fifos are reduced to half.
+ * So set the usable tx buf size also to half to
+ * avoid data/delimiter underruns
+ */
REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
AR_9285_PCU_TXBUF_CTRL_USABLE_SIZE);
- } else {
+ } else if (!AR_SREV_9271(ah)) {
REG_WRITE(ah, AR_PCU_TXBUF_CTRL,
AR_PCU_TXBUF_CTRL_USABLE_SIZE);
}
ath9k_hw_mark_phy_inactive(ah);
+ if (AR_SREV_9271(ah) && ah->htc_reset_init) {
+ REG_WRITE(ah,
+ AR9271_RESET_POWER_DOWN_CONTROL,
+ AR9271_RADIO_RF_RST);
+ udelay(50);
+ }
+
if (!ath9k_hw_chip_reset(ah, chan)) {
DPRINTF(ah->ah_sc, ATH_DBG_FATAL, "Chip reset failed\n");
return -EINVAL;
}
+ if (AR_SREV_9271(ah) && ah->htc_reset_init) {
+ ah->htc_reset_init = false;
+ REG_WRITE(ah,
+ AR9271_RESET_POWER_DOWN_CONTROL,
+ AR9271_GATE_MAC_CTL);
+ udelay(50);
+ }
+
if (AR_SREV_9280_10_OR_LATER(ah))
REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, AR_GPIO_JTAG_DISABLE);
REG_WRITE(ah, AR_CFG_LED, saveLedState | AR_CFG_SCLK_32KHZ);
+ /*
+ * For big endian systems turn on swapping for descriptors
+ */
if (AR_SREV_9100(ah)) {
u32 mask;
mask = REG_READ(ah, AR_CFG);
"Setting CFG 0x%x\n", REG_READ(ah, AR_CFG));
}
} else {
+ /* Configure AR9271 target WLAN */
+ if (AR_SREV_9271(ah))
+ REG_WRITE(ah, AR_CFG, AR_CFG_SWRB | AR_CFG_SWTB);
#ifdef __BIG_ENDIAN
- REG_WRITE(ah, AR_CFG, AR_CFG_SWTD | AR_CFG_SWRD);
+ else
+ REG_WRITE(ah, AR_CFG, AR_CFG_SWTD | AR_CFG_SWRD);
#endif
}
}
- if (ah->curchan == NULL)
- return true;
-
return true;
}
/*
* AR9280 2.0 or later chips use SerDes values from the
* initvals.h initialized depending on chipset during
- * ath9k_hw_attach()
+ * ath9k_hw_init()
*/
for (i = 0; i < ah->iniPcieSerdes.ia_rows; i++) {
REG_WRITE(ah, INI_RA(&ah->iniPcieSerdes, i, 0),
if (ah->config.pcie_waen) {
REG_WRITE(ah, AR_WA, ah->config.pcie_waen);
} else {
- if (AR_SREV_9285(ah))
+ if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
REG_WRITE(ah, AR_WA, AR9285_WA_DEFAULT);
/*
* On AR9280 chips bit 22 of 0x4004 needs to be set to
}
pCap->tx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_TX_MASK);
+ /*
+ * For AR9271 we will temporarilly uses the rx chainmax as read from
+ * the EEPROM.
+ */
if ((ah->hw_version.devid == AR5416_DEVID_PCI) &&
- !(eeval & AR5416_OPFLAGS_11A))
+ !(eeval & AR5416_OPFLAGS_11A) &&
+ !(AR_SREV_9271(ah)))
+ /* CB71: GPIO 0 is pulled down to indicate 3 rx chains */
pCap->rx_chainmask = ath9k_hw_gpio_get(ah, 0) ? 0x5 : 0x7;
else
+ /* Use rx_chainmask from EEPROM. */
pCap->rx_chainmask = ah->eep_ops->get_eeprom(ah, EEP_RX_MASK);
if (!(AR_SREV_9280(ah) && (ah->hw_version.macRev == 0)))
break;
}
} else {
- ah->diversity_control = settings;
+ ah->config.diversity_control = settings;
}
return true;
ath9k_ps_restore(ah->ah_sc);
}
-bool ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting)
+void ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting)
{
if (setting)
ah->misc_mode |= AR_PCU_TX_ADD_TSF;
else
ah->misc_mode &= ~AR_PCU_TX_ADD_TSF;
-
- return true;
}
bool ath9k_hw_setslottime(struct ath_hw *ah, u32 us)