diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/mac.c')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/mac.c | 210 |
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); |