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-rw-r--r--drivers/net/wireless/ath/ath10k/ce.c84
-rw-r--r--drivers/net/wireless/ath/ath10k/ce.h14
-rw-r--r--drivers/net/wireless/ath/ath10k/snoc.c19
-rw-r--r--drivers/net/wireless/ath/ath10k/snoc.h1
4 files changed, 52 insertions, 66 deletions
diff --git a/drivers/net/wireless/ath/ath10k/ce.c b/drivers/net/wireless/ath/ath10k/ce.c
index 4f34d58f1c77..c45c814fd122 100644
--- a/drivers/net/wireless/ath/ath10k/ce.c
+++ b/drivers/net/wireless/ath/ath10k/ce.c
@@ -481,38 +481,6 @@ static inline void ath10k_ce_engine_int_status_clear(struct ath10k *ar,
ath10k_ce_write32(ar, ce_ctrl_addr + wm_regs->addr, mask);
}
-static bool ath10k_ce_engine_int_status_check(struct ath10k *ar, u32 ce_ctrl_addr,
- unsigned int mask)
-{
- struct ath10k_hw_ce_host_wm_regs *wm_regs = ar->hw_ce_regs->wm_regs;
-
- return ath10k_ce_read32(ar, ce_ctrl_addr + wm_regs->addr) & mask;
-}
-
-u32 ath10k_ce_gen_interrupt_summary(struct ath10k *ar)
-{
- struct ath10k_hw_ce_host_wm_regs *wm_regs = ar->hw_ce_regs->wm_regs;
- struct ath10k_ce_pipe *ce_state;
- struct ath10k_ce *ce;
- u32 irq_summary = 0;
- u32 ctrl_addr;
- u32 ce_id;
-
- ce = ath10k_ce_priv(ar);
-
- for (ce_id = 0; ce_id < CE_COUNT; ce_id++) {
- ce_state = &ce->ce_states[ce_id];
- ctrl_addr = ce_state->ctrl_addr;
- if (ath10k_ce_engine_int_status_check(ar, ctrl_addr,
- wm_regs->cc_mask)) {
- irq_summary |= BIT(ce_id);
- }
- }
-
- return irq_summary;
-}
-EXPORT_SYMBOL(ath10k_ce_gen_interrupt_summary);
-
/*
* Guts of ath10k_ce_send.
* The caller takes responsibility for any needed locking.
@@ -1399,45 +1367,55 @@ static void ath10k_ce_per_engine_handler_adjust(struct ath10k_ce_pipe *ce_state)
ath10k_ce_watermark_intr_disable(ar, ctrl_addr);
}
-int ath10k_ce_disable_interrupts(struct ath10k *ar)
+void ath10k_ce_disable_interrupt(struct ath10k *ar, int ce_id)
{
struct ath10k_ce *ce = ath10k_ce_priv(ar);
struct ath10k_ce_pipe *ce_state;
u32 ctrl_addr;
- int ce_id;
- for (ce_id = 0; ce_id < CE_COUNT; ce_id++) {
- ce_state = &ce->ce_states[ce_id];
- if (ce_state->attr_flags & CE_ATTR_POLL)
- continue;
+ ce_state = &ce->ce_states[ce_id];
+ if (ce_state->attr_flags & CE_ATTR_POLL)
+ return;
- ctrl_addr = ath10k_ce_base_address(ar, ce_id);
+ ctrl_addr = ath10k_ce_base_address(ar, ce_id);
- ath10k_ce_copy_complete_intr_disable(ar, ctrl_addr);
- ath10k_ce_error_intr_disable(ar, ctrl_addr);
- ath10k_ce_watermark_intr_disable(ar, ctrl_addr);
- }
+ ath10k_ce_copy_complete_intr_disable(ar, ctrl_addr);
+ ath10k_ce_error_intr_disable(ar, ctrl_addr);
+ ath10k_ce_watermark_intr_disable(ar, ctrl_addr);
+}
+EXPORT_SYMBOL(ath10k_ce_disable_interrupt);
- return 0;
+void ath10k_ce_disable_interrupts(struct ath10k *ar)
+{
+ int ce_id;
+
+ for (ce_id = 0; ce_id < CE_COUNT; ce_id++)
+ ath10k_ce_disable_interrupt(ar, ce_id);
}
EXPORT_SYMBOL(ath10k_ce_disable_interrupts);
-void ath10k_ce_enable_interrupts(struct ath10k *ar)
+void ath10k_ce_enable_interrupt(struct ath10k *ar, int ce_id)
{
struct ath10k_ce *ce = ath10k_ce_priv(ar);
- int ce_id;
struct ath10k_ce_pipe *ce_state;
+ ce_state = &ce->ce_states[ce_id];
+ if (ce_state->attr_flags & CE_ATTR_POLL)
+ return;
+
+ ath10k_ce_per_engine_handler_adjust(ce_state);
+}
+EXPORT_SYMBOL(ath10k_ce_enable_interrupt);
+
+void ath10k_ce_enable_interrupts(struct ath10k *ar)
+{
+ int ce_id;
+
/* Enable interrupts for copy engine that
* are not using polling mode.
*/
- for (ce_id = 0; ce_id < CE_COUNT; ce_id++) {
- ce_state = &ce->ce_states[ce_id];
- if (ce_state->attr_flags & CE_ATTR_POLL)
- continue;
-
- ath10k_ce_per_engine_handler_adjust(ce_state);
- }
+ for (ce_id = 0; ce_id < CE_COUNT; ce_id++)
+ ath10k_ce_enable_interrupt(ar, ce_id);
}
EXPORT_SYMBOL(ath10k_ce_enable_interrupts);
diff --git a/drivers/net/wireless/ath/ath10k/ce.h b/drivers/net/wireless/ath/ath10k/ce.h
index a440aaf74aa4..666ce384a1d8 100644
--- a/drivers/net/wireless/ath/ath10k/ce.h
+++ b/drivers/net/wireless/ath/ath10k/ce.h
@@ -255,12 +255,13 @@ int ath10k_ce_cancel_send_next(struct ath10k_ce_pipe *ce_state,
/*==================CE Interrupt Handlers====================*/
void ath10k_ce_per_engine_service_any(struct ath10k *ar);
void ath10k_ce_per_engine_service(struct ath10k *ar, unsigned int ce_id);
-int ath10k_ce_disable_interrupts(struct ath10k *ar);
+void ath10k_ce_disable_interrupt(struct ath10k *ar, int ce_id);
+void ath10k_ce_disable_interrupts(struct ath10k *ar);
+void ath10k_ce_enable_interrupt(struct ath10k *ar, int ce_id);
void ath10k_ce_enable_interrupts(struct ath10k *ar);
void ath10k_ce_dump_registers(struct ath10k *ar,
struct ath10k_fw_crash_data *crash_data);
-u32 ath10k_ce_gen_interrupt_summary(struct ath10k *ar);
void ath10k_ce_alloc_rri(struct ath10k *ar);
void ath10k_ce_free_rri(struct ath10k *ar);
@@ -376,12 +377,9 @@ static inline u32 ath10k_ce_interrupt_summary(struct ath10k *ar)
{
struct ath10k_ce *ce = ath10k_ce_priv(ar);
- if (!ar->hw_params.per_ce_irq)
- return CE_WRAPPER_INTERRUPT_SUMMARY_HOST_MSI_GET(
- ce->bus_ops->read32((ar), CE_WRAPPER_BASE_ADDRESS +
- CE_WRAPPER_INTERRUPT_SUMMARY_ADDRESS));
- else
- return ath10k_ce_gen_interrupt_summary(ar);
+ return CE_WRAPPER_INTERRUPT_SUMMARY_HOST_MSI_GET(
+ ce->bus_ops->read32((ar), CE_WRAPPER_BASE_ADDRESS +
+ CE_WRAPPER_INTERRUPT_SUMMARY_ADDRESS));
}
/* Host software's Copy Engine configuration. */
diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c
index 645ed5f63ef8..f0494b5fcf3c 100644
--- a/drivers/net/wireless/ath/ath10k/snoc.c
+++ b/drivers/net/wireless/ath/ath10k/snoc.c
@@ -3,6 +3,7 @@
* Copyright (c) 2018 The Linux Foundation. All rights reserved.
*/
+#include <linux/bits.h>
#include <linux/clk.h>
#include <linux/kernel.h>
#include <linux/module.h>
@@ -923,6 +924,7 @@ static int ath10k_snoc_hif_start(struct ath10k *ar)
{
struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
+ bitmap_clear(ar_snoc->pending_ce_irqs, 0, CE_COUNT_MAX);
napi_enable(&ar->napi);
ath10k_snoc_irq_enable(ar);
ath10k_snoc_rx_post(ar);
@@ -1158,7 +1160,9 @@ static irqreturn_t ath10k_snoc_per_engine_handler(int irq, void *arg)
return IRQ_HANDLED;
}
- ath10k_snoc_irq_disable(ar);
+ ath10k_ce_disable_interrupt(ar, ce_id);
+ set_bit(ce_id, ar_snoc->pending_ce_irqs);
+
napi_schedule(&ar->napi);
return IRQ_HANDLED;
@@ -1167,20 +1171,25 @@ static irqreturn_t ath10k_snoc_per_engine_handler(int irq, void *arg)
static int ath10k_snoc_napi_poll(struct napi_struct *ctx, int budget)
{
struct ath10k *ar = container_of(ctx, struct ath10k, napi);
+ struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
int done = 0;
+ int ce_id;
if (test_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags)) {
napi_complete(ctx);
return done;
}
- ath10k_ce_per_engine_service_any(ar);
+ for (ce_id = 0; ce_id < CE_COUNT; ce_id++)
+ if (test_and_clear_bit(ce_id, ar_snoc->pending_ce_irqs)) {
+ ath10k_ce_per_engine_service(ar, ce_id);
+ ath10k_ce_enable_interrupt(ar, ce_id);
+ }
+
done = ath10k_htt_txrx_compl_task(ar, budget);
- if (done < budget) {
+ if (done < budget)
napi_complete(ctx);
- ath10k_snoc_irq_enable(ar);
- }
return done;
}
diff --git a/drivers/net/wireless/ath/ath10k/snoc.h b/drivers/net/wireless/ath/ath10k/snoc.h
index a3dd06f6ac62..5095d1893681 100644
--- a/drivers/net/wireless/ath/ath10k/snoc.h
+++ b/drivers/net/wireless/ath/ath10k/snoc.h
@@ -78,6 +78,7 @@ struct ath10k_snoc {
unsigned long flags;
bool xo_cal_supported;
u32 xo_cal_data;
+ DECLARE_BITMAP(pending_ce_irqs, CE_COUNT_MAX);
};
static inline struct ath10k_snoc *ath10k_snoc_priv(struct ath10k *ar)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.