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path: root/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c103
1 files changed, 55 insertions, 48 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
index 2900db973aaa..3826852ec5f0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
@@ -35,6 +35,10 @@
#include "iwl-io.h"
#include "iwl-trans-pcie-int.h"
+#ifdef CONFIG_IWLWIFI_IDI
+#include "iwl-amfh.h"
+#endif
+
/******************************************************************************
*
* RX path functions
@@ -140,30 +144,30 @@ void iwl_rx_queue_update_write_ptr(struct iwl_trans *trans,
/* shadow register enabled */
/* Device expects a multiple of 8 */
q->write_actual = (q->write & ~0x7);
- iwl_write32(bus(trans), FH_RSCSR_CHNL0_WPTR, q->write_actual);
+ iwl_write32(trans, FH_RSCSR_CHNL0_WPTR, q->write_actual);
} else {
/* If power-saving is in use, make sure device is awake */
if (test_bit(STATUS_POWER_PMI, &trans->shrd->status)) {
- reg = iwl_read32(bus(trans), CSR_UCODE_DRV_GP1);
+ reg = iwl_read32(trans, CSR_UCODE_DRV_GP1);
if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) {
IWL_DEBUG_INFO(trans,
"Rx queue requesting wakeup,"
" GP1 = 0x%x\n", reg);
- iwl_set_bit(bus(trans), CSR_GP_CNTRL,
+ iwl_set_bit(trans, CSR_GP_CNTRL,
CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
goto exit_unlock;
}
q->write_actual = (q->write & ~0x7);
- iwl_write_direct32(bus(trans), FH_RSCSR_CHNL0_WPTR,
+ iwl_write_direct32(trans, FH_RSCSR_CHNL0_WPTR,
q->write_actual);
/* Else device is assumed to be awake */
} else {
/* Device expects a multiple of 8 */
q->write_actual = (q->write & ~0x7);
- iwl_write_direct32(bus(trans), FH_RSCSR_CHNL0_WPTR,
+ iwl_write_direct32(trans, FH_RSCSR_CHNL0_WPTR,
q->write_actual);
}
}
@@ -308,7 +312,7 @@ static void iwlagn_rx_allocate(struct iwl_trans *trans, gfp_t priority)
BUG_ON(rxb->page);
rxb->page = page;
/* Get physical address of the RB */
- rxb->page_dma = dma_map_page(bus(trans)->dev, page, 0,
+ rxb->page_dma = dma_map_page(trans->dev, page, 0,
PAGE_SIZE << hw_params(trans).rx_page_order,
DMA_FROM_DEVICE);
/* dma address must be no more than 36 bits */
@@ -414,7 +418,7 @@ static void iwl_rx_handle(struct iwl_trans *trans)
rxq->queue[i] = NULL;
- dma_unmap_page(bus(trans)->dev, rxb->page_dma,
+ dma_unmap_page(trans->dev, rxb->page_dma,
PAGE_SIZE << hw_params(trans).rx_page_order,
DMA_FROM_DEVICE);
pkt = rxb_addr(rxb);
@@ -485,7 +489,7 @@ static void iwl_rx_handle(struct iwl_trans *trans)
* rx_free list for reuse later. */
spin_lock_irqsave(&rxq->lock, flags);
if (rxb->page != NULL) {
- rxb->page_dma = dma_map_page(bus(trans)->dev, rxb->page,
+ rxb->page_dma = dma_map_page(trans->dev, rxb->page,
0, PAGE_SIZE <<
hw_params(trans).rx_page_order,
DMA_FROM_DEVICE);
@@ -612,7 +616,7 @@ static void iwl_dump_nic_error_log(struct iwl_trans *trans)
return;
}
- iwl_read_targ_mem_words(bus(priv), base, &table, sizeof(table));
+ iwl_read_targ_mem_words(trans(priv), base, &table, sizeof(table));
if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
IWL_ERR(trans, "Start IWL Error Log Dump:\n");
@@ -673,9 +677,9 @@ static void iwl_irq_handle_error(struct iwl_trans *trans)
struct iwl_priv *priv = priv(trans);
/* W/A for WiFi/WiMAX coex and WiMAX own the RF */
if (cfg(priv)->internal_wimax_coex &&
- (!(iwl_read_prph(bus(trans), APMG_CLK_CTRL_REG) &
+ (!(iwl_read_prph(trans, APMG_CLK_CTRL_REG) &
APMS_CLK_VAL_MRB_FUNC_MODE) ||
- (iwl_read_prph(bus(trans), APMG_PS_CTRL_REG) &
+ (iwl_read_prph(trans, APMG_PS_CTRL_REG) &
APMG_PS_CTRL_VAL_RESET_REQ))) {
/*
* Keep the restart process from trying to send host
@@ -741,18 +745,18 @@ static int iwl_print_event_log(struct iwl_trans *trans, u32 start_idx,
ptr = base + EVENT_START_OFFSET + (start_idx * event_size);
/* Make sure device is powered up for SRAM reads */
- spin_lock_irqsave(&bus(trans)->reg_lock, reg_flags);
- iwl_grab_nic_access(bus(trans));
+ spin_lock_irqsave(&trans->reg_lock, reg_flags);
+ iwl_grab_nic_access(trans);
/* Set starting address; reads will auto-increment */
- iwl_write32(bus(trans), HBUS_TARG_MEM_RADDR, ptr);
+ iwl_write32(trans, HBUS_TARG_MEM_RADDR, ptr);
rmb();
/* "time" is actually "data" for mode 0 (no timestamp).
* place event id # at far right for easier visual parsing. */
for (i = 0; i < num_events; i++) {
- ev = iwl_read32(bus(trans), HBUS_TARG_MEM_RDAT);
- time = iwl_read32(bus(trans), HBUS_TARG_MEM_RDAT);
+ ev = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
+ time = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
if (mode == 0) {
/* data, ev */
if (bufsz) {
@@ -766,7 +770,7 @@ static int iwl_print_event_log(struct iwl_trans *trans, u32 start_idx,
time, ev);
}
} else {
- data = iwl_read32(bus(trans), HBUS_TARG_MEM_RDAT);
+ data = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
if (bufsz) {
pos += scnprintf(*buf + pos, bufsz - pos,
"EVT_LOGT:%010u:0x%08x:%04u\n",
@@ -781,8 +785,8 @@ static int iwl_print_event_log(struct iwl_trans *trans, u32 start_idx,
}
/* Allow device to power down */
- iwl_release_nic_access(bus(trans));
- spin_unlock_irqrestore(&bus(trans)->reg_lock, reg_flags);
+ iwl_release_nic_access(trans);
+ spin_unlock_irqrestore(&trans->reg_lock, reg_flags);
return pos;
}
@@ -859,10 +863,10 @@ int iwl_dump_nic_event_log(struct iwl_trans *trans, bool full_log,
}
/* event log header */
- capacity = iwl_read_targ_mem(bus(trans), base);
- mode = iwl_read_targ_mem(bus(trans), base + (1 * sizeof(u32)));
- num_wraps = iwl_read_targ_mem(bus(trans), base + (2 * sizeof(u32)));
- next_entry = iwl_read_targ_mem(bus(trans), base + (3 * sizeof(u32)));
+ capacity = iwl_read_targ_mem(trans, base);
+ mode = iwl_read_targ_mem(trans, base + (1 * sizeof(u32)));
+ num_wraps = iwl_read_targ_mem(trans, base + (2 * sizeof(u32)));
+ next_entry = iwl_read_targ_mem(trans, base + (3 * sizeof(u32)));
if (capacity > logsize) {
IWL_ERR(trans, "Log capacity %d is bogus, limit to %d "
@@ -958,7 +962,7 @@ void iwl_irq_tasklet(struct iwl_trans *trans)
* hardware bugs here by ACKing all the possible interrupts so that
* interrupt coalescing can still be achieved.
*/
- iwl_write32(bus(trans), CSR_INT,
+ iwl_write32(trans, CSR_INT,
trans_pcie->inta | ~trans_pcie->inta_mask);
inta = trans_pcie->inta;
@@ -966,7 +970,7 @@ void iwl_irq_tasklet(struct iwl_trans *trans)
#ifdef CONFIG_IWLWIFI_DEBUG
if (iwl_get_debug_level(trans->shrd) & IWL_DL_ISR) {
/* just for debug */
- inta_mask = iwl_read32(bus(trans), CSR_INT_MASK);
+ inta_mask = iwl_read32(trans, CSR_INT_MASK);
IWL_DEBUG_ISR(trans, "inta 0x%08x, enabled 0x%08x\n ",
inta, inta_mask);
}
@@ -1014,7 +1018,7 @@ void iwl_irq_tasklet(struct iwl_trans *trans)
/* HW RF KILL switch toggled */
if (inta & CSR_INT_BIT_RF_KILL) {
int hw_rf_kill = 0;
- if (!(iwl_read32(bus(trans), CSR_GP_CNTRL) &
+ if (!(iwl_read32(trans, CSR_GP_CNTRL) &
CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW))
hw_rf_kill = 1;
@@ -1078,12 +1082,12 @@ void iwl_irq_tasklet(struct iwl_trans *trans)
IWL_DEBUG_ISR(trans, "Rx interrupt\n");
if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX)) {
handled |= (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX);
- iwl_write32(bus(trans), CSR_FH_INT_STATUS,
+ iwl_write32(trans, CSR_FH_INT_STATUS,
CSR_FH_INT_RX_MASK);
}
if (inta & CSR_INT_BIT_RX_PERIODIC) {
handled |= CSR_INT_BIT_RX_PERIODIC;
- iwl_write32(bus(trans),
+ iwl_write32(trans,
CSR_INT, CSR_INT_BIT_RX_PERIODIC);
}
/* Sending RX interrupt require many steps to be done in the
@@ -1098,10 +1102,13 @@ void iwl_irq_tasklet(struct iwl_trans *trans)
*/
/* Disable periodic interrupt; we use it as just a one-shot. */
- iwl_write8(bus(trans), CSR_INT_PERIODIC_REG,
+ iwl_write8(trans, CSR_INT_PERIODIC_REG,
CSR_INT_PERIODIC_DIS);
+#ifdef CONFIG_IWLWIFI_IDI
+ iwl_amfh_rx_handler();
+#else
iwl_rx_handle(trans);
-
+#endif
/*
* Enable periodic interrupt in 8 msec only if we received
* real RX interrupt (instead of just periodic int), to catch
@@ -1110,7 +1117,7 @@ void iwl_irq_tasklet(struct iwl_trans *trans)
* to extend the periodic interrupt; one-shot is enough.
*/
if (inta & (CSR_INT_BIT_FH_RX | CSR_INT_BIT_SW_RX))
- iwl_write8(bus(trans), CSR_INT_PERIODIC_REG,
+ iwl_write8(trans, CSR_INT_PERIODIC_REG,
CSR_INT_PERIODIC_ENA);
isr_stats->rx++;
@@ -1118,7 +1125,7 @@ void iwl_irq_tasklet(struct iwl_trans *trans)
/* This "Tx" DMA channel is used only for loading uCode */
if (inta & CSR_INT_BIT_FH_TX) {
- iwl_write32(bus(trans), CSR_FH_INT_STATUS, CSR_FH_INT_TX_MASK);
+ iwl_write32(trans, CSR_FH_INT_STATUS, CSR_FH_INT_TX_MASK);
IWL_DEBUG_ISR(trans, "uCode load interrupt\n");
isr_stats->tx++;
handled |= CSR_INT_BIT_FH_TX;
@@ -1142,8 +1149,10 @@ void iwl_irq_tasklet(struct iwl_trans *trans)
if (test_bit(STATUS_INT_ENABLED, &trans->shrd->status))
iwl_enable_interrupts(trans);
/* Re-enable RF_KILL if it occurred */
- else if (handled & CSR_INT_BIT_RF_KILL)
- iwl_enable_rfkill_int(priv(trans));
+ else if (handled & CSR_INT_BIT_RF_KILL) {
+ IWL_DEBUG_ISR(trans, "Enabling rfkill interrupt\n");
+ iwl_write32(trans, CSR_INT_MASK, CSR_INT_BIT_RF_KILL);
+ }
}
/******************************************************************************
@@ -1164,7 +1173,7 @@ void iwl_free_isr_ict(struct iwl_trans *trans)
IWL_TRANS_GET_PCIE_TRANS(trans);
if (trans_pcie->ict_tbl) {
- dma_free_coherent(bus(trans)->dev, ICT_SIZE,
+ dma_free_coherent(trans->dev, ICT_SIZE,
trans_pcie->ict_tbl,
trans_pcie->ict_tbl_dma);
trans_pcie->ict_tbl = NULL;
@@ -1184,7 +1193,7 @@ int iwl_alloc_isr_ict(struct iwl_trans *trans)
IWL_TRANS_GET_PCIE_TRANS(trans);
trans_pcie->ict_tbl =
- dma_alloc_coherent(bus(trans)->dev, ICT_SIZE,
+ dma_alloc_coherent(trans->dev, ICT_SIZE,
&trans_pcie->ict_tbl_dma,
GFP_KERNEL);
if (!trans_pcie->ict_tbl)
@@ -1213,7 +1222,7 @@ int iwl_alloc_isr_ict(struct iwl_trans *trans)
/* Device is going up inform it about using ICT interrupt table,
* also we need to tell the driver to start using ICT interrupt.
*/
-int iwl_reset_ict(struct iwl_trans *trans)
+void iwl_reset_ict(struct iwl_trans *trans)
{
u32 val;
unsigned long flags;
@@ -1221,7 +1230,7 @@ int iwl_reset_ict(struct iwl_trans *trans)
IWL_TRANS_GET_PCIE_TRANS(trans);
if (!trans_pcie->ict_tbl)
- return 0;
+ return;
spin_lock_irqsave(&trans->shrd->lock, flags);
iwl_disable_interrupts(trans);
@@ -1235,14 +1244,12 @@ int iwl_reset_ict(struct iwl_trans *trans)
IWL_DEBUG_ISR(trans, "CSR_DRAM_INT_TBL_REG =0x%x\n", val);
- iwl_write32(bus(trans), CSR_DRAM_INT_TBL_REG, val);
+ iwl_write32(trans, CSR_DRAM_INT_TBL_REG, val);
trans_pcie->use_ict = true;
trans_pcie->ict_index = 0;
- iwl_write32(bus(trans), CSR_INT, trans_pcie->inta_mask);
+ iwl_write32(trans, CSR_INT, trans_pcie->inta_mask);
iwl_enable_interrupts(trans);
spin_unlock_irqrestore(&trans->shrd->lock, flags);
-
- return 0;
}
/* Device is going down disable ict interrupt usage */
@@ -1280,11 +1287,11 @@ static irqreturn_t iwl_isr(int irq, void *data)
* back-to-back ISRs and sporadic interrupts from our NIC.
* If we have something to service, the tasklet will re-enable ints.
* If we *don't* have something, we'll re-enable before leaving here. */
- inta_mask = iwl_read32(bus(trans), CSR_INT_MASK); /* just for debug */
- iwl_write32(bus(trans), CSR_INT_MASK, 0x00000000);
+ inta_mask = iwl_read32(trans, CSR_INT_MASK); /* just for debug */
+ iwl_write32(trans, CSR_INT_MASK, 0x00000000);
/* Discover which interrupts are active/pending */
- inta = iwl_read32(bus(trans), CSR_INT);
+ inta = iwl_read32(trans, CSR_INT);
/* Ignore interrupt if there's nothing in NIC to service.
* This may be due to IRQ shared with another device,
@@ -1303,7 +1310,7 @@ static irqreturn_t iwl_isr(int irq, void *data)
#ifdef CONFIG_IWLWIFI_DEBUG
if (iwl_get_debug_level(trans->shrd) & (IWL_DL_ISR)) {
- inta_fh = iwl_read32(bus(trans), CSR_FH_INT_STATUS);
+ inta_fh = iwl_read32(trans, CSR_FH_INT_STATUS);
IWL_DEBUG_ISR(trans, "ISR inta 0x%08x, enabled 0x%08x, "
"fh 0x%08x\n", inta, inta_mask, inta_fh);
}
@@ -1369,8 +1376,8 @@ irqreturn_t iwl_isr_ict(int irq, void *data)
* If we have something to service, the tasklet will re-enable ints.
* If we *don't* have something, we'll re-enable before leaving here.
*/
- inta_mask = iwl_read32(bus(trans), CSR_INT_MASK); /* just for debug */
- iwl_write32(bus(trans), CSR_INT_MASK, 0x00000000);
+ inta_mask = iwl_read32(trans, CSR_INT_MASK); /* just for debug */
+ iwl_write32(trans, CSR_INT_MASK, 0x00000000);
/* Ignore interrupt if there's nothing in NIC to service.
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 12:51:36 +0000