aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/wireless/ath/ath9k/ar9003_mac.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9003_mac.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9003_mac.c120
1 files changed, 58 insertions, 62 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
index 09b8c9dbf78..729ffbf0734 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
@@ -16,6 +16,7 @@
#include <linux/export.h>
#include "hw.h"
#include "ar9003_mac.h"
+#include "ar9003_mci.h"
static void ar9003_hw_rx_enable(struct ath_hw *hw)
{
@@ -28,11 +29,14 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
struct ar9003_txc *ads = ds;
int checksum = 0;
u32 val, ctl12, ctl17;
+ u8 desc_len;
+
+ desc_len = ((AR_SREV_9462(ah) || AR_SREV_9565(ah)) ? 0x18 : 0x17);
val = (ATHEROS_VENDOR_ID << AR_DescId_S) |
(1 << AR_TxRxDesc_S) |
(1 << AR_CtrlStat_S) |
- (i->qcu << AR_TxQcuNum_S) | 0x17;
+ (i->qcu << AR_TxQcuNum_S) | desc_len;
checksum += val;
ACCESS_ONCE(ads->info) = val;
@@ -81,6 +85,7 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
ads->ctl20 = 0;
ads->ctl21 = 0;
ads->ctl22 = 0;
+ ads->ctl23 = 0;
ctl17 = SM(i->keytype, AR_EncrType);
if (!i->is_first) {
@@ -170,18 +175,22 @@ static void ar9003_hw_set_desc_link(void *ds, u32 ds_link)
ads->ctl10 |= ar9003_calc_ptr_chksum(ads);
}
-static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
+static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked,
+ u32 *sync_cause_p)
{
u32 isr = 0;
u32 mask2 = 0;
struct ath9k_hw_capabilities *pCap = &ah->caps;
struct ath_common *common = ath9k_hw_common(ah);
- struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;
- u32 sync_cause = 0, async_cause;
+ u32 sync_cause = 0, async_cause, async_mask = AR_INTR_MAC_IRQ;
+ bool fatal_int;
+
+ if (ath9k_hw_mci_is_enabled(ah))
+ async_mask |= AR_INTR_ASYNC_MASK_MCI;
async_cause = REG_READ(ah, AR_INTR_ASYNC_CAUSE);
- if (async_cause & (AR_INTR_MAC_IRQ | AR_INTR_ASYNC_MASK_MCI)) {
+ if (async_cause & async_mask) {
if ((REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M)
== AR_RTC_STATUS_ON)
isr = REG_READ(ah, AR_ISR);
@@ -298,34 +307,29 @@ static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
ar9003_hw_bb_watchdog_read(ah);
}
- if (async_cause & AR_INTR_ASYNC_MASK_MCI) {
- u32 raw_intr, rx_msg_intr;
-
- rx_msg_intr = REG_READ(ah, AR_MCI_INTERRUPT_RX_MSG_RAW);
- raw_intr = REG_READ(ah, AR_MCI_INTERRUPT_RAW);
-
- if ((raw_intr == 0xdeadbeef) || (rx_msg_intr == 0xdeadbeef))
- ath_dbg(common, MCI,
- "MCI gets 0xdeadbeef during MCI int processing new raw_intr=0x%08x, new rx_msg_raw=0x%08x, raw_intr=0x%08x, rx_msg_raw=0x%08x\n",
- raw_intr, rx_msg_intr, mci->raw_intr,
- mci->rx_msg_intr);
- else {
- mci->rx_msg_intr |= rx_msg_intr;
- mci->raw_intr |= raw_intr;
- *masked |= ATH9K_INT_MCI;
-
- if (rx_msg_intr & AR_MCI_INTERRUPT_RX_MSG_CONT_INFO)
- mci->cont_status =
- REG_READ(ah, AR_MCI_CONT_STATUS);
-
- REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_RAW, rx_msg_intr);
- REG_WRITE(ah, AR_MCI_INTERRUPT_RAW, raw_intr);
- ath_dbg(common, MCI, "AR_INTR_SYNC_MCI\n");
+ if (async_cause & AR_INTR_ASYNC_MASK_MCI)
+ ar9003_mci_get_isr(ah, masked);
+ if (sync_cause) {
+ if (sync_cause_p)
+ *sync_cause_p = sync_cause;
+ fatal_int =
+ (sync_cause &
+ (AR_INTR_SYNC_HOST1_FATAL | AR_INTR_SYNC_HOST1_PERR))
+ ? true : false;
+
+ if (fatal_int) {
+ if (sync_cause & AR_INTR_SYNC_HOST1_FATAL) {
+ ath_dbg(common, ANY,
+ "received PCI FATAL interrupt\n");
+ }
+ if (sync_cause & AR_INTR_SYNC_HOST1_PERR) {
+ ath_dbg(common, ANY,
+ "received PCI PERR interrupt\n");
+ }
+ *masked |= ATH9K_INT_FATAL;
}
- }
- if (sync_cause) {
if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT) {
REG_WRITE(ah, AR_RC, AR_RC_HOSTIF);
REG_WRITE(ah, AR_RC, 0);
@@ -346,7 +350,6 @@ static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds,
struct ath_tx_status *ts)
{
- struct ar9003_txc *txc = (struct ar9003_txc *) ds;
struct ar9003_txs *ads;
u32 status;
@@ -356,11 +359,7 @@ static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds,
if ((status & AR_TxDone) == 0)
return -EINPROGRESS;
- ts->qid = MS(ads->ds_info, AR_TxQcuNum);
- if (!txc || (MS(txc->info, AR_TxQcuNum) == ts->qid))
- ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
- else
- return -ENOENT;
+ ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
if ((MS(ads->ds_info, AR_DescId) != ATHEROS_VENDOR_ID) ||
(MS(ads->ds_info, AR_TxRxDesc) != 1)) {
@@ -374,6 +373,7 @@ static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds,
ts->ts_seqnum = MS(status, AR_SeqNum);
ts->tid = MS(status, AR_TxTid);
+ ts->qid = MS(ads->ds_info, AR_TxQcuNum);
ts->desc_id = MS(ads->status1, AR_TxDescId);
ts->ts_tstamp = ads->status4;
ts->ts_status = 0;
@@ -460,35 +460,30 @@ int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah, struct ath_rx_status *rxs,
struct ar9003_rxs *rxsp = (struct ar9003_rxs *) buf_addr;
unsigned int phyerr;
- /* TODO: byte swap on big endian for ar9300_10 */
-
- if (!rxs) {
- if ((rxsp->status11 & AR_RxDone) == 0)
- return -EINPROGRESS;
-
- if (MS(rxsp->ds_info, AR_DescId) != 0x168c)
- return -EINVAL;
+ if ((rxsp->status11 & AR_RxDone) == 0)
+ return -EINPROGRESS;
- if ((rxsp->ds_info & (AR_TxRxDesc | AR_CtrlStat)) != 0)
- return -EINPROGRESS;
+ if (MS(rxsp->ds_info, AR_DescId) != 0x168c)
+ return -EINVAL;
- return 0;
- }
+ if ((rxsp->ds_info & (AR_TxRxDesc | AR_CtrlStat)) != 0)
+ return -EINPROGRESS;
rxs->rs_status = 0;
rxs->rs_flags = 0;
+ rxs->flag = 0;
rxs->rs_datalen = rxsp->status2 & AR_DataLen;
rxs->rs_tstamp = rxsp->status3;
/* XXX: Keycache */
rxs->rs_rssi = MS(rxsp->status5, AR_RxRSSICombined);
- rxs->rs_rssi_ctl0 = MS(rxsp->status1, AR_RxRSSIAnt00);
- rxs->rs_rssi_ctl1 = MS(rxsp->status1, AR_RxRSSIAnt01);
- rxs->rs_rssi_ctl2 = MS(rxsp->status1, AR_RxRSSIAnt02);
- rxs->rs_rssi_ext0 = MS(rxsp->status5, AR_RxRSSIAnt10);
- rxs->rs_rssi_ext1 = MS(rxsp->status5, AR_RxRSSIAnt11);
- rxs->rs_rssi_ext2 = MS(rxsp->status5, AR_RxRSSIAnt12);
+ rxs->rs_rssi_ctl[0] = MS(rxsp->status1, AR_RxRSSIAnt00);
+ rxs->rs_rssi_ctl[1] = MS(rxsp->status1, AR_RxRSSIAnt01);
+ rxs->rs_rssi_ctl[2] = MS(rxsp->status1, AR_RxRSSIAnt02);
+ rxs->rs_rssi_ext[0] = MS(rxsp->status5, AR_RxRSSIAnt10);
+ rxs->rs_rssi_ext[1] = MS(rxsp->status5, AR_RxRSSIAnt11);
+ rxs->rs_rssi_ext[2] = MS(rxsp->status5, AR_RxRSSIAnt12);
if (rxsp->status11 & AR_RxKeyIdxValid)
rxs->rs_keyix = MS(rxsp->status11, AR_KeyIdx);
@@ -498,11 +493,12 @@ int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah, struct ath_rx_status *rxs,
rxs->rs_rate = MS(rxsp->status1, AR_RxRate);
rxs->rs_more = (rxsp->status2 & AR_RxMore) ? 1 : 0;
+ rxs->rs_firstaggr = (rxsp->status11 & AR_RxFirstAggr) ? 1 : 0;
rxs->rs_isaggr = (rxsp->status11 & AR_RxAggr) ? 1 : 0;
rxs->rs_moreaggr = (rxsp->status11 & AR_RxMoreAggr) ? 1 : 0;
rxs->rs_antenna = (MS(rxsp->status4, AR_RxAntenna) & 0x7);
- rxs->rs_flags = (rxsp->status4 & AR_GI) ? ATH9K_RX_GI : 0;
- rxs->rs_flags |= (rxsp->status4 & AR_2040) ? ATH9K_RX_2040 : 0;
+ rxs->flag |= (rxsp->status4 & AR_GI) ? RX_FLAG_SHORT_GI : 0;
+ rxs->flag |= (rxsp->status4 & AR_2040) ? RX_FLAG_40MHZ : 0;
rxs->evm0 = rxsp->status6;
rxs->evm1 = rxsp->status7;
@@ -530,7 +526,11 @@ int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah, struct ath_rx_status *rxs,
*/
if (rxsp->status11 & AR_CRCErr)
rxs->rs_status |= ATH9K_RXERR_CRC;
- else if (rxsp->status11 & AR_PHYErr) {
+ else if (rxsp->status11 & AR_DecryptCRCErr)
+ rxs->rs_status |= ATH9K_RXERR_DECRYPT;
+ else if (rxsp->status11 & AR_MichaelErr)
+ rxs->rs_status |= ATH9K_RXERR_MIC;
+ if (rxsp->status11 & AR_PHYErr) {
phyerr = MS(rxsp->status11, AR_PHYErrCode);
/*
* If we reach a point here where AR_PostDelimCRCErr is
@@ -552,11 +552,7 @@ int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah, struct ath_rx_status *rxs,
rxs->rs_status |= ATH9K_RXERR_PHY;
rxs->rs_phyerr = phyerr;
}
-
- } else if (rxsp->status11 & AR_DecryptCRCErr)
- rxs->rs_status |= ATH9K_RXERR_DECRYPT;
- else if (rxsp->status11 & AR_MichaelErr)
- rxs->rs_status |= ATH9K_RXERR_MIC;
+ }
}
if (rxsp->status11 & AR_KeyMiss)