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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.c185
1 files changed, 47 insertions, 138 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index c33f17dbe6f..62597f4ca31 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -23,11 +23,6 @@
#include "rc.h"
#include "ar9003_mac.h"
-#define ATH9K_CLOCK_RATE_CCK 22
-#define ATH9K_CLOCK_RATE_5GHZ_OFDM 40
-#define ATH9K_CLOCK_RATE_2GHZ_OFDM 44
-#define ATH9K_CLOCK_FAST_RATE_5GHZ_OFDM 44
-
static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type);
MODULE_AUTHOR("Atheros Communications");
@@ -80,6 +75,15 @@ static void ath9k_hw_init_mode_gain_regs(struct ath_hw *ah)
ath9k_hw_private_ops(ah)->init_mode_gain_regs(ah);
}
+static void ath9k_hw_ani_cache_ini_regs(struct ath_hw *ah)
+{
+ /* You will not have this callback if using the old ANI */
+ if (!ath9k_hw_private_ops(ah)->ani_cache_ini_regs)
+ return;
+
+ ath9k_hw_private_ops(ah)->ani_cache_ini_regs(ah);
+}
+
/********************/
/* Helper Functions */
/********************/
@@ -371,13 +375,7 @@ static void ath9k_hw_init_config(struct ath_hw *ah)
ah->config.ofdm_trig_high = 500;
ah->config.cck_trig_high = 200;
ah->config.cck_trig_low = 100;
-
- /*
- * For now ANI is disabled for AR9003, it is still
- * being tested.
- */
- if (!AR_SREV_9300_20_OR_LATER(ah))
- ah->config.enable_ani = 1;
+ ah->config.enable_ani = true;
for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
ah->config.spurchans[i][0] = AR_NO_SPUR;
@@ -392,12 +390,6 @@ static void ath9k_hw_init_config(struct ath_hw *ah)
ah->config.rx_intr_mitigation = true;
/*
- * Tx IQ Calibration (ah->config.tx_iq_calibration) is only
- * used by AR9003, but it is showing reliability issues.
- * It will take a while to fix so this is currently disabled.
- */
-
- /*
* We need this for PCI devices only (Cardbus, PCI, miniPCI)
* _and_ if on non-uniprocessor systems (Multiprocessor/HT).
* This means we use it for all AR5416 devices, and the few
@@ -433,7 +425,9 @@ static void ath9k_hw_init_defaults(struct ath_hw *ah)
ah->ah_flags = AH_USE_EEPROM;
ah->atim_window = 0;
- ah->sta_id1_defaults = AR_STA_ID1_CRPT_MIC_ENABLE;
+ ah->sta_id1_defaults =
+ AR_STA_ID1_CRPT_MIC_ENABLE |
+ AR_STA_ID1_MCAST_KSRCH;
ah->beacon_interval = 100;
ah->enable_32kHz_clock = DONT_USE_32KHZ;
ah->slottime = (u32) -1;
@@ -571,6 +565,8 @@ static int __ath9k_hw_init(struct ath_hw *ah)
ah->ani_function = ATH9K_ANI_ALL;
if (AR_SREV_9280_10_OR_LATER(ah) && !AR_SREV_9300_20_OR_LATER(ah))
ah->ani_function &= ~ATH9K_ANI_NOISE_IMMUNITY_LEVEL;
+ if (!AR_SREV_9300_20_OR_LATER(ah))
+ ah->ani_function &= ~ATH9K_ANI_MRC_CCK;
ath9k_hw_init_mode_regs(ah);
@@ -627,6 +623,7 @@ static int __ath9k_hw_init(struct ath_hw *ah)
ar9003_hw_set_nf_limits(ah);
ath9k_init_nfcal_hist_buffer(ah);
+ ah->bb_watchdog_timeout_ms = 25;
common->state = ATH_HW_INITIALIZED;
@@ -1303,6 +1300,9 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
if (AR_SREV_9280_10_OR_LATER(ah))
REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, AR_GPIO_JTAG_DISABLE);
+ if (!AR_SREV_9300_20_OR_LATER(ah))
+ ar9002_hw_enable_async_fifo(ah);
+
r = ath9k_hw_process_ini(ah, chan);
if (r)
return r;
@@ -1367,6 +1367,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
ath9k_hw_resettxqueue(ah, i);
ath9k_hw_init_interrupt_masks(ah, ah->opmode);
+ ath9k_hw_ani_cache_ini_regs(ah);
ath9k_hw_init_qos(ah);
if (ah->caps.hw_caps & ATH9K_HW_CAP_RFSILENT)
@@ -1375,7 +1376,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
ath9k_hw_init_global_settings(ah);
if (!AR_SREV_9300_20_OR_LATER(ah)) {
- ar9002_hw_enable_async_fifo(ah);
+ ar9002_hw_update_async_fifo(ah);
ar9002_hw_enable_wep_aggregation(ah);
}
@@ -1426,9 +1427,13 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
"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);
+ if (common->bus_ops->ath_bus_type == ATH_USB) {
+ /* Configure AR9271 target WLAN */
+ if (AR_SREV_9271(ah))
+ REG_WRITE(ah, AR_CFG, AR_CFG_SWRB | AR_CFG_SWTB);
+ else
+ REG_WRITE(ah, AR_CFG, AR_CFG_SWTD | AR_CFG_SWRD);
+ }
#ifdef __BIG_ENDIAN
else
REG_WRITE(ah, AR_CFG, AR_CFG_SWTD | AR_CFG_SWRD);
@@ -1441,6 +1446,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
if (AR_SREV_9300_20_OR_LATER(ah)) {
ath9k_hw_loadnf(ah, curchan);
ath9k_hw_start_nfcal(ah);
+ ar9003_hw_bb_watchdog_config(ah);
}
return 0;
@@ -1489,6 +1495,7 @@ EXPORT_SYMBOL(ath9k_hw_keyreset);
bool ath9k_hw_keysetmac(struct ath_hw *ah, u16 entry, const u8 *mac)
{
u32 macHi, macLo;
+ u32 unicast_flag = AR_KEYTABLE_VALID;
if (entry >= ah->caps.keycache_size) {
ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
@@ -1497,6 +1504,16 @@ bool ath9k_hw_keysetmac(struct ath_hw *ah, u16 entry, const u8 *mac)
}
if (mac != NULL) {
+ /*
+ * AR_KEYTABLE_VALID indicates that the address is a unicast
+ * address, which must match the transmitter address for
+ * decrypting frames.
+ * Not setting this bit allows the hardware to use the key
+ * for multicast frame decryption.
+ */
+ if (mac[0] & 0x01)
+ unicast_flag = 0;
+
macHi = (mac[5] << 8) | mac[4];
macLo = (mac[3] << 24) |
(mac[2] << 16) |
@@ -1509,7 +1526,7 @@ bool ath9k_hw_keysetmac(struct ath_hw *ah, u16 entry, const u8 *mac)
macLo = macHi = 0;
}
REG_WRITE(ah, AR_KEYTABLE_MAC0(entry), macLo);
- REG_WRITE(ah, AR_KEYTABLE_MAC1(entry), macHi | AR_KEYTABLE_VALID);
+ REG_WRITE(ah, AR_KEYTABLE_MAC1(entry), macHi | unicast_flag);
return true;
}
@@ -2165,7 +2182,7 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
pCap->hw_caps |= ATH9K_HW_CAP_RFSILENT;
}
#endif
- if (AR_SREV_9271(ah))
+ if (AR_SREV_9271(ah) || AR_SREV_9300_20_OR_LATER(ah))
pCap->hw_caps |= ATH9K_HW_CAP_AUTOSLEEP;
else
pCap->hw_caps &= ~ATH9K_HW_CAP_AUTOSLEEP;
@@ -2220,6 +2237,8 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
pCap->rx_status_len = sizeof(struct ar9003_rxs);
pCap->tx_desc_len = sizeof(struct ar9003_txc);
pCap->txs_len = sizeof(struct ar9003_txs);
+ if (ah->eep_ops->get_eeprom(ah, EEP_PAPRD))
+ pCap->hw_caps |= ATH9K_HW_CAP_PAPRD;
} else {
pCap->tx_desc_len = sizeof(struct ath_desc);
if (AR_SREV_9280_20(ah) &&
@@ -2232,100 +2251,11 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
if (AR_SREV_9300_20_OR_LATER(ah))
pCap->hw_caps |= ATH9K_HW_CAP_RAC_SUPPORTED;
- return 0;
-}
-
-bool ath9k_hw_getcapability(struct ath_hw *ah, enum ath9k_capability_type type,
- u32 capability, u32 *result)
-{
- struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
- switch (type) {
- case ATH9K_CAP_CIPHER:
- switch (capability) {
- case ATH9K_CIPHER_AES_CCM:
- case ATH9K_CIPHER_AES_OCB:
- case ATH9K_CIPHER_TKIP:
- case ATH9K_CIPHER_WEP:
- case ATH9K_CIPHER_MIC:
- case ATH9K_CIPHER_CLR:
- return true;
- default:
- return false;
- }
- case ATH9K_CAP_TKIP_MIC:
- switch (capability) {
- case 0:
- return true;
- case 1:
- return (ah->sta_id1_defaults &
- AR_STA_ID1_CRPT_MIC_ENABLE) ? true :
- false;
- }
- case ATH9K_CAP_TKIP_SPLIT:
- return (ah->misc_mode & AR_PCU_MIC_NEW_LOC_ENA) ?
- false : true;
- case ATH9K_CAP_MCAST_KEYSRCH:
- switch (capability) {
- case 0:
- return true;
- case 1:
- if (REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_ADHOC) {
- return false;
- } else {
- return (ah->sta_id1_defaults &
- AR_STA_ID1_MCAST_KSRCH) ? true :
- false;
- }
- }
- return false;
- case ATH9K_CAP_TXPOW:
- switch (capability) {
- case 0:
- return 0;
- case 1:
- *result = regulatory->power_limit;
- return 0;
- case 2:
- *result = regulatory->max_power_level;
- return 0;
- case 3:
- *result = regulatory->tp_scale;
- return 0;
- }
- return false;
- case ATH9K_CAP_DS:
- return (AR_SREV_9280_20_OR_LATER(ah) &&
- (ah->eep_ops->get_eeprom(ah, EEP_RC_CHAIN_MASK) == 1))
- ? false : true;
- default:
- return false;
- }
-}
-EXPORT_SYMBOL(ath9k_hw_getcapability);
+ if (AR_SREV_9287_10_OR_LATER(ah) || AR_SREV_9271(ah))
+ pCap->hw_caps |= ATH9K_HW_CAP_SGI_20;
-bool ath9k_hw_setcapability(struct ath_hw *ah, enum ath9k_capability_type type,
- u32 capability, u32 setting, int *status)
-{
- switch (type) {
- case ATH9K_CAP_TKIP_MIC:
- if (setting)
- ah->sta_id1_defaults |=
- AR_STA_ID1_CRPT_MIC_ENABLE;
- else
- ah->sta_id1_defaults &=
- ~AR_STA_ID1_CRPT_MIC_ENABLE;
- return true;
- case ATH9K_CAP_MCAST_KEYSRCH:
- if (setting)
- ah->sta_id1_defaults |= AR_STA_ID1_MCAST_KSRCH;
- else
- ah->sta_id1_defaults &= ~AR_STA_ID1_MCAST_KSRCH;
- return true;
- default:
- return false;
- }
+ return 0;
}
-EXPORT_SYMBOL(ath9k_hw_setcapability);
/****************************/
/* GPIO / RFKILL / Antennae */
@@ -2520,12 +2450,6 @@ void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit)
}
EXPORT_SYMBOL(ath9k_hw_set_txpowerlimit);
-void ath9k_hw_setmac(struct ath_hw *ah, const u8 *mac)
-{
- memcpy(ath9k_hw_common(ah)->macaddr, mac, ETH_ALEN);
-}
-EXPORT_SYMBOL(ath9k_hw_setmac);
-
void ath9k_hw_setopmode(struct ath_hw *ah)
{
ath9k_hw_set_operating_mode(ah, ah->opmode);
@@ -2598,21 +2522,6 @@ void ath9k_hw_set_tsfadjust(struct ath_hw *ah, u32 setting)
}
EXPORT_SYMBOL(ath9k_hw_set_tsfadjust);
-/*
- * Extend 15-bit time stamp from rx descriptor to
- * a full 64-bit TSF using the current h/w TSF.
-*/
-u64 ath9k_hw_extend_tsf(struct ath_hw *ah, u32 rstamp)
-{
- u64 tsf;
-
- tsf = ath9k_hw_gettsf64(ah);
- if ((tsf & 0x7fff) < rstamp)
- tsf -= 0x8000;
- return (tsf & ~0x7fff) | rstamp;
-}
-EXPORT_SYMBOL(ath9k_hw_extend_tsf);
-
void ath9k_hw_set11nmac2040(struct ath_hw *ah)
{
struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;