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path: root/drivers/net/wireless/ath/ath9k/hw.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hw.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c201
1 files changed, 110 insertions, 91 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 9b1ee7fc05c..516227fa668 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -129,9 +129,9 @@ bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout)
udelay(AH_TIME_QUANTUM);
}
- ath_print(ath9k_hw_common(ah), ATH_DBG_ANY,
- "timeout (%d us) on reg 0x%x: 0x%08x & 0x%08x != 0x%08x\n",
- timeout, reg, REG_READ(ah, reg), mask, val);
+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_ANY,
+ "timeout (%d us) on reg 0x%x: 0x%08x & 0x%08x != 0x%08x\n",
+ timeout, reg, REG_READ(ah, reg), mask, val);
return false;
}
@@ -211,8 +211,8 @@ u16 ath9k_hw_computetxtime(struct ath_hw *ah,
}
break;
default:
- ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
- "Unknown phy %u (rate ix %u)\n", phy, rateix);
+ ath_err(ath9k_hw_common(ah),
+ "Unknown phy %u (rate ix %u)\n", phy, rateix);
txTime = 0;
break;
}
@@ -331,11 +331,9 @@ static bool ath9k_hw_chip_test(struct ath_hw *ah)
REG_WRITE(ah, addr, wrData);
rdData = REG_READ(ah, addr);
if (rdData != wrData) {
- ath_print(common, ATH_DBG_FATAL,
- "address test failed "
- "addr: 0x%08x - wr:0x%08x != "
- "rd:0x%08x\n",
- addr, wrData, rdData);
+ ath_err(common,
+ "address test failed addr: 0x%08x - wr:0x%08x != rd:0x%08x\n",
+ addr, wrData, rdData);
return false;
}
}
@@ -344,11 +342,9 @@ static bool ath9k_hw_chip_test(struct ath_hw *ah)
REG_WRITE(ah, addr, wrData);
rdData = REG_READ(ah, addr);
if (wrData != rdData) {
- ath_print(common, ATH_DBG_FATAL,
- "address test failed "
- "addr: 0x%08x - wr:0x%08x != "
- "rd:0x%08x\n",
- addr, wrData, rdData);
+ ath_err(common,
+ "address test failed addr: 0x%08x - wr:0x%08x != rd:0x%08x\n",
+ addr, wrData, rdData);
return false;
}
}
@@ -469,16 +465,15 @@ static int ath9k_hw_post_init(struct ath_hw *ah)
if (ecode != 0)
return ecode;
- ath_print(ath9k_hw_common(ah), ATH_DBG_CONFIG,
- "Eeprom VER: %d, REV: %d\n",
- ah->eep_ops->get_eeprom_ver(ah),
- ah->eep_ops->get_eeprom_rev(ah));
+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_CONFIG,
+ "Eeprom VER: %d, REV: %d\n",
+ ah->eep_ops->get_eeprom_ver(ah),
+ ah->eep_ops->get_eeprom_rev(ah));
ecode = ath9k_hw_rf_alloc_ext_banks(ah);
if (ecode) {
- ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
- "Failed allocating banks for "
- "external radio\n");
+ ath_err(ath9k_hw_common(ah),
+ "Failed allocating banks for external radio\n");
ath9k_hw_rf_free_ext_banks(ah);
return ecode;
}
@@ -509,8 +504,7 @@ static int __ath9k_hw_init(struct ath_hw *ah)
ah->hw_version.macVersion = AR_SREV_VERSION_9100;
if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) {
- ath_print(common, ATH_DBG_FATAL,
- "Couldn't reset chip\n");
+ ath_err(common, "Couldn't reset chip\n");
return -EIO;
}
@@ -520,7 +514,7 @@ static int __ath9k_hw_init(struct ath_hw *ah)
ath9k_hw_attach_ops(ah);
if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) {
- ath_print(common, ATH_DBG_FATAL, "Couldn't wakeup chip\n");
+ ath_err(common, "Couldn't wakeup chip\n");
return -EIO;
}
@@ -536,7 +530,7 @@ static int __ath9k_hw_init(struct ath_hw *ah)
}
}
- ath_print(common, ATH_DBG_RESET, "serialize_regmode is %d\n",
+ ath_dbg(common, ATH_DBG_RESET, "serialize_regmode is %d\n",
ah->config.serialize_regmode);
if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
@@ -545,10 +539,9 @@ static int __ath9k_hw_init(struct ath_hw *ah)
ah->config.max_txtrig_level = MAX_TX_FIFO_THRESHOLD;
if (!ath9k_hw_macversion_supported(ah)) {
- ath_print(common, ATH_DBG_FATAL,
- "Mac Chip Rev 0x%02x.%x is not supported by "
- "this driver\n", ah->hw_version.macVersion,
- ah->hw_version.macRev);
+ ath_err(common,
+ "Mac Chip Rev 0x%02x.%x is not supported by this driver\n",
+ ah->hw_version.macVersion, ah->hw_version.macRev);
return -EOPNOTSUPP;
}
@@ -594,8 +587,7 @@ static int __ath9k_hw_init(struct ath_hw *ah)
r = ath9k_hw_init_macaddr(ah);
if (r) {
- ath_print(common, ATH_DBG_FATAL,
- "Failed to initialize MAC address\n");
+ ath_err(common, "Failed to initialize MAC address\n");
return r;
}
@@ -629,21 +621,21 @@ int ath9k_hw_init(struct ath_hw *ah)
case AR9287_DEVID_PCIE:
case AR2427_DEVID_PCIE:
case AR9300_DEVID_PCIE:
+ case AR9300_DEVID_AR9485_PCIE:
break;
default:
if (common->bus_ops->ath_bus_type == ATH_USB)
break;
- ath_print(common, ATH_DBG_FATAL,
- "Hardware device ID 0x%04x not supported\n",
- ah->hw_version.devid);
+ ath_err(common, "Hardware device ID 0x%04x not supported\n",
+ ah->hw_version.devid);
return -EOPNOTSUPP;
}
ret = __ath9k_hw_init(ah);
if (ret) {
- ath_print(common, ATH_DBG_FATAL,
- "Unable to initialize hardware; "
- "initialization status: %d\n", ret);
+ ath_err(common,
+ "Unable to initialize hardware; initialization status: %d\n",
+ ret);
return ret;
}
@@ -675,7 +667,12 @@ static void ath9k_hw_init_qos(struct ath_hw *ah)
static void ath9k_hw_init_pll(struct ath_hw *ah,
struct ath9k_channel *chan)
{
- u32 pll = ath9k_hw_compute_pll_control(ah, chan);
+ u32 pll;
+
+ if (AR_SREV_9485(ah))
+ REG_WRITE(ah, AR_RTC_PLL_CONTROL2, 0x886666);
+
+ pll = ath9k_hw_compute_pll_control(ah, chan);
REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
@@ -767,8 +764,8 @@ static void ath9k_hw_set_cts_timeout(struct ath_hw *ah, u32 us)
static bool ath9k_hw_set_global_txtimeout(struct ath_hw *ah, u32 tu)
{
if (tu > 0xFFFF) {
- ath_print(ath9k_hw_common(ah), ATH_DBG_XMIT,
- "bad global tx timeout %u\n", tu);
+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_XMIT,
+ "bad global tx timeout %u\n", tu);
ah->globaltxtimeout = (u32) -1;
return false;
} else {
@@ -785,8 +782,8 @@ void ath9k_hw_init_global_settings(struct ath_hw *ah)
int slottime;
int sifstime;
- ath_print(ath9k_hw_common(ah), ATH_DBG_RESET, "ah->misc_mode 0x%x\n",
- ah->misc_mode);
+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_RESET, "ah->misc_mode 0x%x\n",
+ ah->misc_mode);
if (ah->misc_mode != 0)
REG_WRITE(ah, AR_PCU_MISC,
@@ -1029,8 +1026,8 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type)
REG_WRITE(ah, AR_RTC_RC, 0);
if (!ath9k_hw_wait(ah, AR_RTC_RC, AR_RTC_RC_M, 0, AH_WAIT_TIMEOUT)) {
- ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
- "RTC stuck in MAC reset\n");
+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_RESET,
+ "RTC stuck in MAC reset\n");
return false;
}
@@ -1076,8 +1073,8 @@ static bool ath9k_hw_set_reset_power_on(struct ath_hw *ah)
AR_RTC_STATUS_M,
AR_RTC_STATUS_ON,
AH_WAIT_TIMEOUT)) {
- ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
- "RTC not waking up\n");
+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_RESET,
+ "RTC not waking up\n");
return false;
}
@@ -1137,16 +1134,14 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
for (qnum = 0; qnum < AR_NUM_QCU; qnum++) {
if (ath9k_hw_numtxpending(ah, qnum)) {
- ath_print(common, ATH_DBG_QUEUE,
- "Transmit frames pending on "
- "queue %d\n", qnum);
+ ath_dbg(common, ATH_DBG_QUEUE,
+ "Transmit frames pending on queue %d\n", qnum);
return false;
}
}
if (!ath9k_hw_rfbus_req(ah)) {
- ath_print(common, ATH_DBG_FATAL,
- "Could not kill baseband RX\n");
+ ath_err(common, "Could not kill baseband RX\n");
return false;
}
@@ -1154,8 +1149,7 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
r = ath9k_hw_rf_set_freq(ah, chan);
if (r) {
- ath_print(common, ATH_DBG_FATAL,
- "Failed to set channel\n");
+ ath_err(common, "Failed to set channel\n");
return false;
}
ath9k_hw_set_clockrate(ah);
@@ -1222,7 +1216,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
if (!ah->chip_fullsleep) {
ath9k_hw_abortpcurecv(ah);
if (!ath9k_hw_stopdmarecv(ah)) {
- ath_print(common, ATH_DBG_XMIT,
+ ath_dbg(common, ATH_DBG_XMIT,
"Failed to stop receive dma\n");
bChannelChange = false;
}
@@ -1287,7 +1281,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
}
if (!ath9k_hw_chip_reset(ah, chan)) {
- ath_print(common, ATH_DBG_FATAL, "Chip reset failed\n");
+ ath_err(common, "Chip reset failed\n");
return -EINVAL;
}
@@ -1434,13 +1428,13 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
u32 mask;
mask = REG_READ(ah, AR_CFG);
if (mask & (AR_CFG_SWRB | AR_CFG_SWTB | AR_CFG_SWRG)) {
- ath_print(common, ATH_DBG_RESET,
+ ath_dbg(common, ATH_DBG_RESET,
"CFG Byte Swap Set 0x%x\n", mask);
} else {
mask =
INIT_CONFIG_STATUS | AR_CFG_SWRB | AR_CFG_SWTB;
REG_WRITE(ah, AR_CFG, mask);
- ath_print(common, ATH_DBG_RESET,
+ ath_dbg(common, ATH_DBG_RESET,
"Setting CFG 0x%x\n", REG_READ(ah, AR_CFG));
}
} else {
@@ -1568,9 +1562,9 @@ static bool ath9k_hw_set_power_awake(struct ath_hw *ah, int setChip)
AR_RTC_FORCE_WAKE_EN);
}
if (i == 0) {
- ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
- "Failed to wakeup in %uus\n",
- POWER_UP_TIME / 20);
+ ath_err(ath9k_hw_common(ah),
+ "Failed to wakeup in %uus\n",
+ POWER_UP_TIME / 20);
return false;
}
}
@@ -1594,8 +1588,8 @@ bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
if (ah->power_mode == mode)
return status;
- ath_print(common, ATH_DBG_RESET, "%s -> %s\n",
- modes[ah->power_mode], modes[mode]);
+ ath_dbg(common, ATH_DBG_RESET, "%s -> %s\n",
+ modes[ah->power_mode], modes[mode]);
switch (mode) {
case ATH9K_PM_AWAKE:
@@ -1609,12 +1603,18 @@ bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode)
ath9k_set_power_network_sleep(ah, setChip);
break;
default:
- ath_print(common, ATH_DBG_FATAL,
- "Unknown power mode %u\n", mode);
+ ath_err(common, "Unknown power mode %u\n", mode);
return false;
}
ah->power_mode = mode;
+ /*
+ * XXX: If this warning never comes up after a while then
+ * simply keep the ATH_DBG_WARN_ON_ONCE() but make
+ * ath9k_hw_setpower() return type void.
+ */
+ ATH_DBG_WARN_ON_ONCE(!status);
+
return status;
}
EXPORT_SYMBOL(ath9k_hw_setpower);
@@ -1669,9 +1669,9 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period)
flags |= AR_TBTT_TIMER_EN;
break;
}
- ath_print(ath9k_hw_common(ah), ATH_DBG_BEACON,
- "%s: unsupported opmode: %d\n",
- __func__, ah->opmode);
+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_BEACON,
+ "%s: unsupported opmode: %d\n",
+ __func__, ah->opmode);
return;
break;
}
@@ -1727,10 +1727,10 @@ void ath9k_hw_set_sta_beacon_timers(struct ath_hw *ah,
else
nextTbtt = bs->bs_nexttbtt;
- ath_print(common, ATH_DBG_BEACON, "next DTIM %d\n", bs->bs_nextdtim);
- ath_print(common, ATH_DBG_BEACON, "next beacon %d\n", nextTbtt);
- ath_print(common, ATH_DBG_BEACON, "beacon period %d\n", beaconintval);
- ath_print(common, ATH_DBG_BEACON, "DTIM period %d\n", dtimperiod);
+ ath_dbg(common, ATH_DBG_BEACON, "next DTIM %d\n", bs->bs_nextdtim);
+ ath_dbg(common, ATH_DBG_BEACON, "next beacon %d\n", nextTbtt);
+ ath_dbg(common, ATH_DBG_BEACON, "beacon period %d\n", beaconintval);
+ ath_dbg(common, ATH_DBG_BEACON, "DTIM period %d\n", dtimperiod);
ENABLE_REGWRITE_BUFFER(ah);
@@ -1776,7 +1776,7 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw;
u16 capField = 0, eeval;
- u8 ant_div_ctl1;
+ u8 ant_div_ctl1, tx_chainmask, rx_chainmask;
eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_0);
regulatory->current_rd = eeval;
@@ -1795,14 +1795,14 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
regulatory->current_rd += 5;
else if (regulatory->current_rd == 0x41)
regulatory->current_rd = 0x43;
- ath_print(common, ATH_DBG_REGULATORY,
- "regdomain mapped to 0x%x\n", regulatory->current_rd);
+ ath_dbg(common, ATH_DBG_REGULATORY,
+ "regdomain mapped to 0x%x\n", regulatory->current_rd);
}
eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE);
if ((eeval & (AR5416_OPFLAGS_11G | AR5416_OPFLAGS_11A)) == 0) {
- ath_print(common, ATH_DBG_FATAL,
- "no band has been marked as supported in EEPROM.\n");
+ ath_err(common,
+ "no band has been marked as supported in EEPROM\n");
return -EINVAL;
}
@@ -1940,8 +1940,10 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
}
if (AR_SREV_9300_20_OR_LATER(ah)) {
- pCap->hw_caps |= ATH9K_HW_CAP_EDMA | ATH9K_HW_CAP_LDPC |
- ATH9K_HW_CAP_FASTCLOCK;
+ pCap->hw_caps |= ATH9K_HW_CAP_EDMA | ATH9K_HW_CAP_FASTCLOCK;
+ if (!AR_SREV_9485(ah))
+ pCap->hw_caps |= ATH9K_HW_CAP_LDPC;
+
pCap->rx_hp_qdepth = ATH9K_HW_RX_HP_QDEPTH;
pCap->rx_lp_qdepth = ATH9K_HW_RX_LP_QDEPTH;
pCap->rx_status_len = sizeof(struct ar9003_rxs);
@@ -1981,6 +1983,23 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
+ if (AR_SREV_9485_10(ah)) {
+ pCap->pcie_lcr_extsync_en = true;
+ pCap->pcie_lcr_offset = 0x80;
+ }
+
+ tx_chainmask = pCap->tx_chainmask;
+ rx_chainmask = pCap->rx_chainmask;
+ while (tx_chainmask || rx_chainmask) {
+ if (tx_chainmask & BIT(0))
+ pCap->max_txchains++;
+ if (rx_chainmask & BIT(0))
+ pCap->max_rxchains++;
+
+ tx_chainmask >>= 1;
+ rx_chainmask >>= 1;
+ }
+
return 0;
}
@@ -2257,8 +2276,8 @@ void ath9k_hw_reset_tsf(struct ath_hw *ah)
{
if (!ath9k_hw_wait(ah, AR_SLP32_MODE, AR_SLP32_TSF_WRITE_STATUS, 0,
AH_TSF_WRITE_TIMEOUT))
- ath_print(ath9k_hw_common(ah), ATH_DBG_RESET,
- "AR_SLP32_TSF_WRITE_STATUS limit exceeded\n");
+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_RESET,
+ "AR_SLP32_TSF_WRITE_STATUS limit exceeded\n");
REG_WRITE(ah, AR_RESET_TSF, AR_RESET_TSF_ONCE);
}
@@ -2348,9 +2367,9 @@ struct ath_gen_timer *ath_gen_timer_alloc(struct ath_hw *ah,
timer = kzalloc(sizeof(struct ath_gen_timer), GFP_KERNEL);
if (timer == NULL) {
- ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
- "Failed to allocate memory"
- "for hw timer[%d]\n", timer_index);
+ ath_err(ath9k_hw_common(ah),
+ "Failed to allocate memory for hw timer[%d]\n",
+ timer_index);
return NULL;
}
@@ -2379,9 +2398,9 @@ void ath9k_hw_gen_timer_start(struct ath_hw *ah,
tsf = ath9k_hw_gettsf32(ah);
- ath_print(ath9k_hw_common(ah), ATH_DBG_HWTIMER,
- "curent tsf %x period %x"
- "timer_next %x\n", tsf, timer_period, timer_next);
+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_HWTIMER,
+ "current tsf %x period %x timer_next %x\n",
+ tsf, timer_period, timer_next);
/*
* Pull timer_next forward if the current TSF already passed it
@@ -2461,8 +2480,8 @@ void ath_gen_timer_isr(struct ath_hw *ah)
index = rightmost_index(timer_table, &thresh_mask);
timer = timer_table->timers[index];
BUG_ON(!timer);
- ath_print(common, ATH_DBG_HWTIMER,
- "TSF overflow for Gen timer %d\n", index);
+ ath_dbg(common, ATH_DBG_HWTIMER,
+ "TSF overflow for Gen timer %d\n", index);
timer->overflow(timer->arg);
}
@@ -2470,8 +2489,8 @@ void ath_gen_timer_isr(struct ath_hw *ah)
index = rightmost_index(timer_table, &trigger_mask);
timer = timer_table->timers[index];
BUG_ON(!timer);
- ath_print(common, ATH_DBG_HWTIMER,
- "Gen timer[%d] trigger\n", index);
+ ath_dbg(common, ATH_DBG_HWTIMER,
+ "Gen timer[%d] trigger\n", index);
timer->trigger(timer->arg);
}
}