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path: root/drivers/net/wireless/ath/ath9k/mac.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/mac.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/mac.c210
1 files changed, 106 insertions, 104 deletions
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index c996963ab339..180170d3ce25 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -20,11 +20,11 @@
static void ath9k_hw_set_txq_interrupts(struct ath_hw *ah,
struct ath9k_tx_queue_info *qi)
{
- ath_print(ath9k_hw_common(ah), ATH_DBG_INTERRUPT,
- "tx ok 0x%x err 0x%x desc 0x%x eol 0x%x urn 0x%x\n",
- ah->txok_interrupt_mask, ah->txerr_interrupt_mask,
- ah->txdesc_interrupt_mask, ah->txeol_interrupt_mask,
- ah->txurn_interrupt_mask);
+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_INTERRUPT,
+ "tx ok 0x%x err 0x%x desc 0x%x eol 0x%x urn 0x%x\n",
+ ah->txok_interrupt_mask, ah->txerr_interrupt_mask,
+ ah->txdesc_interrupt_mask, ah->txeol_interrupt_mask,
+ ah->txurn_interrupt_mask);
ENABLE_REGWRITE_BUFFER(ah);
@@ -56,8 +56,8 @@ EXPORT_SYMBOL(ath9k_hw_puttxbuf);
void ath9k_hw_txstart(struct ath_hw *ah, u32 q)
{
- ath_print(ath9k_hw_common(ah), ATH_DBG_QUEUE,
- "Enable TXE on queue: %u\n", q);
+ ath_dbg(ath9k_hw_common(ah), ATH_DBG_QUEUE,
+ "Enable TXE on queue: %u\n", q);
REG_WRITE(ah, AR_Q_TXE, 1 << q);
}
EXPORT_SYMBOL(ath9k_hw_txstart);
@@ -117,12 +117,11 @@ EXPORT_SYMBOL(ath9k_hw_numtxpending);
bool ath9k_hw_updatetxtriglevel(struct ath_hw *ah, bool bIncTrigLevel)
{
u32 txcfg, curLevel, newLevel;
- enum ath9k_int omask;
if (ah->tx_trig_level >= ah->config.max_txtrig_level)
return false;
- omask = ath9k_hw_set_interrupts(ah, ah->imask & ~ATH9K_INT_GLOBAL);
+ ath9k_hw_disable_interrupts(ah);
txcfg = REG_READ(ah, AR_TXCFG);
curLevel = MS(txcfg, AR_FTRIG);
@@ -136,7 +135,7 @@ bool ath9k_hw_updatetxtriglevel(struct ath_hw *ah, bool bIncTrigLevel)
REG_WRITE(ah, AR_TXCFG,
(txcfg & ~AR_FTRIG) | SM(newLevel, AR_FTRIG));
- ath9k_hw_set_interrupts(ah, omask);
+ ath9k_hw_enable_interrupts(ah);
ah->tx_trig_level = newLevel;
@@ -155,15 +154,15 @@ bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q)
u32 wait_time = ATH9K_TX_STOP_DMA_TIMEOUT / ATH9K_TIME_QUANTUM;
if (q >= pCap->total_queues) {
- ath_print(common, ATH_DBG_QUEUE, "Stopping TX DMA, "
- "invalid queue: %u\n", q);
+ ath_dbg(common, ATH_DBG_QUEUE,
+ "Stopping TX DMA, invalid queue: %u\n", q);
return false;
}
qi = &ah->txq[q];
if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
- ath_print(common, ATH_DBG_QUEUE, "Stopping TX DMA, "
- "inactive queue: %u\n", q);
+ ath_dbg(common, ATH_DBG_QUEUE,
+ "Stopping TX DMA, inactive queue: %u\n", q);
return false;
}
@@ -176,9 +175,9 @@ bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q)
}
if (ath9k_hw_numtxpending(ah, q)) {
- ath_print(common, ATH_DBG_QUEUE,
- "%s: Num of pending TX Frames %d on Q %d\n",
- __func__, ath9k_hw_numtxpending(ah, q), q);
+ ath_dbg(common, ATH_DBG_QUEUE,
+ "%s: Num of pending TX Frames %d on Q %d\n",
+ __func__, ath9k_hw_numtxpending(ah, q), q);
for (j = 0; j < 2; j++) {
tsfLow = REG_READ(ah, AR_TSF_L32);
@@ -192,9 +191,9 @@ bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q)
if ((REG_READ(ah, AR_TSF_L32) >> 10) == (tsfLow >> 10))
break;
- ath_print(common, ATH_DBG_QUEUE,
- "TSF has moved while trying to set "
- "quiet time TSF: 0x%08x\n", tsfLow);
+ ath_dbg(common, ATH_DBG_QUEUE,
+ "TSF has moved while trying to set quiet time TSF: 0x%08x\n",
+ tsfLow);
}
REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH);
@@ -205,9 +204,8 @@ bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q)
wait = wait_time;
while (ath9k_hw_numtxpending(ah, q)) {
if ((--wait) == 0) {
- ath_print(common, ATH_DBG_FATAL,
- "Failed to stop TX DMA in 100 "
- "msec after killing last frame\n");
+ ath_err(common,
+ "Failed to stop TX DMA in 100 msec after killing last frame\n");
break;
}
udelay(ATH9K_TIME_QUANTUM);
@@ -240,19 +238,19 @@ bool ath9k_hw_set_txq_props(struct ath_hw *ah, int q,
struct ath9k_tx_queue_info *qi;
if (q >= pCap->total_queues) {
- ath_print(common, ATH_DBG_QUEUE, "Set TXQ properties, "
- "invalid queue: %u\n", q);
+ ath_dbg(common, ATH_DBG_QUEUE,
+ "Set TXQ properties, invalid queue: %u\n", q);
return false;
}
qi = &ah->txq[q];
if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
- ath_print(common, ATH_DBG_QUEUE, "Set TXQ properties, "
- "inactive queue: %u\n", q);
+ ath_dbg(common, ATH_DBG_QUEUE,
+ "Set TXQ properties, inactive queue: %u\n", q);
return false;
}
- ath_print(common, ATH_DBG_QUEUE, "Set queue properties for: %u\n", q);
+ ath_dbg(common, ATH_DBG_QUEUE, "Set queue properties for: %u\n", q);
qi->tqi_ver = qinfo->tqi_ver;
qi->tqi_subtype = qinfo->tqi_subtype;
@@ -311,15 +309,15 @@ bool ath9k_hw_get_txq_props(struct ath_hw *ah, int q,
struct ath9k_tx_queue_info *qi;
if (q >= pCap->total_queues) {
- ath_print(common, ATH_DBG_QUEUE, "Get TXQ properties, "
- "invalid queue: %u\n", q);
+ ath_dbg(common, ATH_DBG_QUEUE,
+ "Get TXQ properties, invalid queue: %u\n", q);
return false;
}
qi = &ah->txq[q];
if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
- ath_print(common, ATH_DBG_QUEUE, "Get TXQ properties, "
- "inactive queue: %u\n", q);
+ ath_dbg(common, ATH_DBG_QUEUE,
+ "Get TXQ properties, inactive queue: %u\n", q);
return false;
}
@@ -369,23 +367,20 @@ int ath9k_hw_setuptxqueue(struct ath_hw *ah, enum ath9k_tx_queue type,
ATH9K_TX_QUEUE_INACTIVE)
break;
if (q == pCap->total_queues) {
- ath_print(common, ATH_DBG_FATAL,
- "No available TX queue\n");
+ ath_err(common, "No available TX queue\n");
return -1;
}
break;
default:
- ath_print(common, ATH_DBG_FATAL,
- "Invalid TX queue type: %u\n", type);
+ ath_err(common, "Invalid TX queue type: %u\n", type);
return -1;
}
- ath_print(common, ATH_DBG_QUEUE, "Setup TX queue: %u\n", q);
+ ath_dbg(common, ATH_DBG_QUEUE, "Setup TX queue: %u\n", q);
qi = &ah->txq[q];
if (qi->tqi_type != ATH9K_TX_QUEUE_INACTIVE) {
- ath_print(common, ATH_DBG_FATAL,
- "TX queue: %u already active\n", q);
+ ath_err(common, "TX queue: %u already active\n", q);
return -1;
}
memset(qi, 0, sizeof(struct ath9k_tx_queue_info));
@@ -417,18 +412,18 @@ bool ath9k_hw_releasetxqueue(struct ath_hw *ah, u32 q)
struct ath9k_tx_queue_info *qi;
if (q >= pCap->total_queues) {
- ath_print(common, ATH_DBG_QUEUE, "Release TXQ, "
- "invalid queue: %u\n", q);
+ ath_dbg(common, ATH_DBG_QUEUE,
+ "Release TXQ, invalid queue: %u\n", q);
return false;
}
qi = &ah->txq[q];
if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
- ath_print(common, ATH_DBG_QUEUE, "Release TXQ, "
- "inactive queue: %u\n", q);
+ ath_dbg(common, ATH_DBG_QUEUE,
+ "Release TXQ, inactive queue: %u\n", q);
return false;
}
- ath_print(common, ATH_DBG_QUEUE, "Release TX queue: %u\n", q);
+ ath_dbg(common, ATH_DBG_QUEUE, "Release TX queue: %u\n", q);
qi->tqi_type = ATH9K_TX_QUEUE_INACTIVE;
ah->txok_interrupt_mask &= ~(1 << q);
@@ -451,19 +446,19 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q)
u32 cwMin, chanCwMin, value;
if (q >= pCap->total_queues) {
- ath_print(common, ATH_DBG_QUEUE, "Reset TXQ, "
- "invalid queue: %u\n", q);
+ ath_dbg(common, ATH_DBG_QUEUE,
+ "Reset TXQ, invalid queue: %u\n", q);
return false;
}
qi = &ah->txq[q];
if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
- ath_print(common, ATH_DBG_QUEUE, "Reset TXQ, "
- "inactive queue: %u\n", q);
+ ath_dbg(common, ATH_DBG_QUEUE,
+ "Reset TXQ, inactive queue: %u\n", q);
return true;
}
- ath_print(common, ATH_DBG_QUEUE, "Reset TX queue: %u\n", q);
+ ath_dbg(common, ATH_DBG_QUEUE, "Reset TX queue: %u\n", q);
if (qi->tqi_cwmin == ATH9K_TXQ_USEDEFAULT) {
if (chan && IS_CHAN_B(chan))
@@ -697,15 +692,16 @@ int ath9k_hw_rxprocdesc(struct ath_hw *ah, struct ath_desc *ds,
if ((ads.ds_rxstatus8 & AR_RxFrameOK) == 0) {
if (ads.ds_rxstatus8 & AR_CRCErr)
rs->rs_status |= ATH9K_RXERR_CRC;
- else if (ads.ds_rxstatus8 & AR_PHYErr) {
+ if (ads.ds_rxstatus8 & AR_PHYErr) {
rs->rs_status |= ATH9K_RXERR_PHY;
phyerr = MS(ads.ds_rxstatus8, AR_PHYErrCode);
rs->rs_phyerr = phyerr;
- } else if (ads.ds_rxstatus8 & AR_DecryptCRCErr)
+ }
+ if (ads.ds_rxstatus8 & AR_DecryptCRCErr)
rs->rs_status |= ATH9K_RXERR_DECRYPT;
- else if (ads.ds_rxstatus8 & AR_MichaelErr)
+ if (ads.ds_rxstatus8 & AR_MichaelErr)
rs->rs_status |= ATH9K_RXERR_MIC;
- else if (ads.ds_rxstatus8 & AR_KeyMiss)
+ if (ads.ds_rxstatus8 & AR_KeyMiss)
rs->rs_status |= ATH9K_RXERR_DECRYPT;
}
@@ -735,9 +731,9 @@ bool ath9k_hw_setrxabort(struct ath_hw *ah, bool set)
AR_DIAG_RX_ABORT));
reg = REG_READ(ah, AR_OBS_BUS_1);
- ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
- "RX failed to go idle in 10 ms RXSM=0x%x\n",
- reg);
+ ath_err(ath9k_hw_common(ah),
+ "RX failed to go idle in 10 ms RXSM=0x%x\n",
+ reg);
return false;
}
@@ -766,14 +762,6 @@ void ath9k_hw_startpcureceive(struct ath_hw *ah, bool is_scanning)
}
EXPORT_SYMBOL(ath9k_hw_startpcureceive);
-void ath9k_hw_stoppcurecv(struct ath_hw *ah)
-{
- REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_DIS);
-
- ath9k_hw_disable_mib_counters(ah);
-}
-EXPORT_SYMBOL(ath9k_hw_stoppcurecv);
-
void ath9k_hw_abortpcurecv(struct ath_hw *ah)
{
REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_RX_ABORT | AR_DIAG_RX_DIS);
@@ -799,12 +787,11 @@ bool ath9k_hw_stopdmarecv(struct ath_hw *ah)
}
if (i == 0) {
- ath_print(common, ATH_DBG_FATAL,
- "DMA failed to stop in %d ms "
- "AR_CR=0x%08x AR_DIAG_SW=0x%08x\n",
- AH_RX_STOP_DMA_TIMEOUT / 1000,
- REG_READ(ah, AR_CR),
- REG_READ(ah, AR_DIAG_SW));
+ ath_err(common,
+ "DMA failed to stop in %d ms AR_CR=0x%08x AR_DIAG_SW=0x%08x\n",
+ AH_RX_STOP_DMA_TIMEOUT / 1000,
+ REG_READ(ah, AR_CR),
+ REG_READ(ah, AR_DIAG_SW));
return false;
} else {
return true;
@@ -848,28 +835,59 @@ bool ath9k_hw_intrpend(struct ath_hw *ah)
}
EXPORT_SYMBOL(ath9k_hw_intrpend);
-enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah,
- enum ath9k_int ints)
+void ath9k_hw_disable_interrupts(struct ath_hw *ah)
+{
+ struct ath_common *common = ath9k_hw_common(ah);
+
+ ath_dbg(common, ATH_DBG_INTERRUPT, "disable IER\n");
+ REG_WRITE(ah, AR_IER, AR_IER_DISABLE);
+ (void) REG_READ(ah, AR_IER);
+ if (!AR_SREV_9100(ah)) {
+ REG_WRITE(ah, AR_INTR_ASYNC_ENABLE, 0);
+ (void) REG_READ(ah, AR_INTR_ASYNC_ENABLE);
+
+ REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
+ (void) REG_READ(ah, AR_INTR_SYNC_ENABLE);
+ }
+}
+EXPORT_SYMBOL(ath9k_hw_disable_interrupts);
+
+void ath9k_hw_enable_interrupts(struct ath_hw *ah)
+{
+ struct ath_common *common = ath9k_hw_common(ah);
+
+ if (!(ah->imask & ATH9K_INT_GLOBAL))
+ return;
+
+ ath_dbg(common, ATH_DBG_INTERRUPT, "enable IER\n");
+ REG_WRITE(ah, AR_IER, AR_IER_ENABLE);
+ if (!AR_SREV_9100(ah)) {
+ REG_WRITE(ah, AR_INTR_ASYNC_ENABLE,
+ AR_INTR_MAC_IRQ);
+ REG_WRITE(ah, AR_INTR_ASYNC_MASK, AR_INTR_MAC_IRQ);
+
+
+ REG_WRITE(ah, AR_INTR_SYNC_ENABLE,
+ AR_INTR_SYNC_DEFAULT);
+ REG_WRITE(ah, AR_INTR_SYNC_MASK,
+ AR_INTR_SYNC_DEFAULT);
+ }
+ ath_dbg(common, ATH_DBG_INTERRUPT, "AR_IMR 0x%x IER 0x%x\n",
+ REG_READ(ah, AR_IMR), REG_READ(ah, AR_IER));
+}
+EXPORT_SYMBOL(ath9k_hw_enable_interrupts);
+
+void ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints)
{
enum ath9k_int omask = ah->imask;
u32 mask, mask2;
struct ath9k_hw_capabilities *pCap = &ah->caps;
struct ath_common *common = ath9k_hw_common(ah);
- ath_print(common, ATH_DBG_INTERRUPT, "0x%x => 0x%x\n", omask, ints);
+ if (!(ints & ATH9K_INT_GLOBAL))
+ ath9k_hw_enable_interrupts(ah);
- if (omask & ATH9K_INT_GLOBAL) {
- ath_print(common, ATH_DBG_INTERRUPT, "disable IER\n");
- REG_WRITE(ah, AR_IER, AR_IER_DISABLE);
- (void) REG_READ(ah, AR_IER);
- if (!AR_SREV_9100(ah)) {
- REG_WRITE(ah, AR_INTR_ASYNC_ENABLE, 0);
- (void) REG_READ(ah, AR_INTR_ASYNC_ENABLE);
-
- REG_WRITE(ah, AR_INTR_SYNC_ENABLE, 0);
- (void) REG_READ(ah, AR_INTR_SYNC_ENABLE);
- }
- }
+ ath_dbg(common, ATH_DBG_INTERRUPT, "0x%x => 0x%x\n", omask, ints);
/* TODO: global int Ref count */
mask = ints & ATH9K_INT_COMMON;
@@ -930,7 +948,7 @@ enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah,
mask2 |= AR_IMR_S2_CST;
}
- ath_print(common, ATH_DBG_INTERRUPT, "new IMR 0x%x\n", mask);
+ ath_dbg(common, ATH_DBG_INTERRUPT, "new IMR 0x%x\n", mask);
REG_WRITE(ah, AR_IMR, mask);
ah->imrs2_reg &= ~(AR_IMR_S2_TIM | AR_IMR_S2_DTIM | AR_IMR_S2_DTIMSYNC |
AR_IMR_S2_CABEND | AR_IMR_S2_CABTO |
@@ -945,24 +963,8 @@ enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah,
REG_CLR_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER);
}
- if (ints & ATH9K_INT_GLOBAL) {
- ath_print(common, ATH_DBG_INTERRUPT, "enable IER\n");
- REG_WRITE(ah, AR_IER, AR_IER_ENABLE);
- if (!AR_SREV_9100(ah)) {
- REG_WRITE(ah, AR_INTR_ASYNC_ENABLE,
- AR_INTR_MAC_IRQ);
- REG_WRITE(ah, AR_INTR_ASYNC_MASK, AR_INTR_MAC_IRQ);
-
-
- REG_WRITE(ah, AR_INTR_SYNC_ENABLE,
- AR_INTR_SYNC_DEFAULT);
- REG_WRITE(ah, AR_INTR_SYNC_MASK,
- AR_INTR_SYNC_DEFAULT);
- }
- ath_print(common, ATH_DBG_INTERRUPT, "AR_IMR 0x%x IER 0x%x\n",
- REG_READ(ah, AR_IMR), REG_READ(ah, AR_IER));
- }
+ ath9k_hw_enable_interrupts(ah);
- return omask;
+ return;
}
EXPORT_SYMBOL(ath9k_hw_set_interrupts);