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-rw-r--r--drivers/net/wireless/ath/ath10k/ahb.c23
-rw-r--r--drivers/net/wireless/ath/ath10k/pci.c51
-rw-r--r--drivers/net/wireless/ath/ath10k/pci.h5
3 files changed, 60 insertions, 19 deletions
diff --git a/drivers/net/wireless/ath/ath10k/ahb.c b/drivers/net/wireless/ath/ath10k/ahb.c
index 766c63bf05c4..45226dbee5ce 100644
--- a/drivers/net/wireless/ath/ath10k/ahb.c
+++ b/drivers/net/wireless/ath/ath10k/ahb.c
@@ -33,6 +33,9 @@ static const struct of_device_id ath10k_ahb_of_match[] = {
MODULE_DEVICE_TABLE(of, ath10k_ahb_of_match);
+#define QCA4019_SRAM_ADDR 0x000C0000
+#define QCA4019_SRAM_LEN 0x00040000 /* 256 kb */
+
static inline struct ath10k_ahb *ath10k_ahb_priv(struct ath10k *ar)
{
return &((struct ath10k_pci *)ar->drv_priv)->ahb[0];
@@ -699,6 +702,25 @@ out:
return ret;
}
+static u32 ath10k_ahb_qca4019_targ_cpu_to_ce_addr(struct ath10k *ar, u32 addr)
+{
+ u32 val = 0, region = addr & 0xfffff;
+
+ val = ath10k_pci_read32(ar, PCIE_BAR_REG_ADDRESS);
+
+ if (region >= QCA4019_SRAM_ADDR && region <=
+ (QCA4019_SRAM_ADDR + QCA4019_SRAM_LEN)) {
+ /* SRAM contents for QCA4019 can be directly accessed and
+ * no conversions are required
+ */
+ val |= region;
+ } else {
+ val |= 0x100000 | region;
+ }
+
+ return val;
+}
+
static const struct ath10k_hif_ops ath10k_ahb_hif_ops = {
.tx_sg = ath10k_pci_hif_tx_sg,
.diag_read = ath10k_pci_hif_diag_read,
@@ -766,6 +788,7 @@ static int ath10k_ahb_probe(struct platform_device *pdev)
ar_pci->mem_len = ar_ahb->mem_len;
ar_pci->ar = ar;
ar_pci->bus_ops = &ath10k_ahb_bus_ops;
+ ar_pci->targ_cpu_to_ce_addr = ath10k_ahb_qca4019_targ_cpu_to_ce_addr;
ret = ath10k_pci_setup_resource(ar);
if (ret) {
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index cbe64c50e4b0..5d2f9b9922d3 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -840,31 +840,35 @@ void ath10k_pci_rx_replenish_retry(unsigned long ptr)
ath10k_pci_rx_post(ar);
}
-static u32 ath10k_pci_targ_cpu_to_ce_addr(struct ath10k *ar, u32 addr)
+static u32 ath10k_pci_qca988x_targ_cpu_to_ce_addr(struct ath10k *ar, u32 addr)
{
- u32 val = 0;
+ u32 val = 0, region = addr & 0xfffff;
- switch (ar->hw_rev) {
- case ATH10K_HW_QCA988X:
- case ATH10K_HW_QCA9887:
- case ATH10K_HW_QCA6174:
- case ATH10K_HW_QCA9377:
- val = (ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS +
- CORE_CTRL_ADDRESS) &
- 0x7ff) << 21;
- break;
- case ATH10K_HW_QCA9888:
- case ATH10K_HW_QCA99X0:
- case ATH10K_HW_QCA9984:
- case ATH10K_HW_QCA4019:
- val = ath10k_pci_read32(ar, PCIE_BAR_REG_ADDRESS);
- break;
- }
+ val = (ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS + CORE_CTRL_ADDRESS)
+ & 0x7ff) << 21;
+ val |= 0x100000 | region;
+ return val;
+}
+
+static u32 ath10k_pci_qca99x0_targ_cpu_to_ce_addr(struct ath10k *ar, u32 addr)
+{
+ u32 val = 0, region = addr & 0xfffff;
- val |= 0x100000 | (addr & 0xfffff);
+ val = ath10k_pci_read32(ar, PCIE_BAR_REG_ADDRESS);
+ val |= 0x100000 | region;
return val;
}
+static u32 ath10k_pci_targ_cpu_to_ce_addr(struct ath10k *ar, u32 addr)
+{
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+
+ if (WARN_ON_ONCE(!ar_pci->targ_cpu_to_ce_addr))
+ return -ENOTSUPP;
+
+ return ar_pci->targ_cpu_to_ce_addr(ar, addr);
+}
+
/*
* Diagnostic read/write access is provided for startup/config/debug usage.
* Caller must guarantee proper alignment, when applicable, and single user
@@ -3170,6 +3174,7 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
bool pci_ps;
int (*pci_soft_reset)(struct ath10k *ar);
int (*pci_hard_reset)(struct ath10k *ar);
+ u32 (*targ_cpu_to_ce_addr)(struct ath10k *ar, u32 addr);
switch (pci_dev->device) {
case QCA988X_2_0_DEVICE_ID:
@@ -3177,12 +3182,14 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
pci_ps = false;
pci_soft_reset = ath10k_pci_warm_reset;
pci_hard_reset = ath10k_pci_qca988x_chip_reset;
+ targ_cpu_to_ce_addr = ath10k_pci_qca988x_targ_cpu_to_ce_addr;
break;
case QCA9887_1_0_DEVICE_ID:
hw_rev = ATH10K_HW_QCA9887;
pci_ps = false;
pci_soft_reset = ath10k_pci_warm_reset;
pci_hard_reset = ath10k_pci_qca988x_chip_reset;
+ targ_cpu_to_ce_addr = ath10k_pci_qca988x_targ_cpu_to_ce_addr;
break;
case QCA6164_2_1_DEVICE_ID:
case QCA6174_2_1_DEVICE_ID:
@@ -3190,30 +3197,35 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
pci_ps = true;
pci_soft_reset = ath10k_pci_warm_reset;
pci_hard_reset = ath10k_pci_qca6174_chip_reset;
+ targ_cpu_to_ce_addr = ath10k_pci_qca988x_targ_cpu_to_ce_addr;
break;
case QCA99X0_2_0_DEVICE_ID:
hw_rev = ATH10K_HW_QCA99X0;
pci_ps = false;
pci_soft_reset = ath10k_pci_qca99x0_soft_chip_reset;
pci_hard_reset = ath10k_pci_qca99x0_chip_reset;
+ targ_cpu_to_ce_addr = ath10k_pci_qca99x0_targ_cpu_to_ce_addr;
break;
case QCA9984_1_0_DEVICE_ID:
hw_rev = ATH10K_HW_QCA9984;
pci_ps = false;
pci_soft_reset = ath10k_pci_qca99x0_soft_chip_reset;
pci_hard_reset = ath10k_pci_qca99x0_chip_reset;
+ targ_cpu_to_ce_addr = ath10k_pci_qca99x0_targ_cpu_to_ce_addr;
break;
case QCA9888_2_0_DEVICE_ID:
hw_rev = ATH10K_HW_QCA9888;
pci_ps = false;
pci_soft_reset = ath10k_pci_qca99x0_soft_chip_reset;
pci_hard_reset = ath10k_pci_qca99x0_chip_reset;
+ targ_cpu_to_ce_addr = ath10k_pci_qca99x0_targ_cpu_to_ce_addr;
break;
case QCA9377_1_0_DEVICE_ID:
hw_rev = ATH10K_HW_QCA9377;
pci_ps = true;
pci_soft_reset = NULL;
pci_hard_reset = ath10k_pci_qca6174_chip_reset;
+ targ_cpu_to_ce_addr = ath10k_pci_qca988x_targ_cpu_to_ce_addr;
break;
default:
WARN_ON(1);
@@ -3240,6 +3252,7 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
ar_pci->bus_ops = &ath10k_pci_bus_ops;
ar_pci->pci_soft_reset = pci_soft_reset;
ar_pci->pci_hard_reset = pci_hard_reset;
+ ar_pci->targ_cpu_to_ce_addr = targ_cpu_to_ce_addr;
ar->id.vendor = pdev->vendor;
ar->id.device = pdev->device;
diff --git a/drivers/net/wireless/ath/ath10k/pci.h b/drivers/net/wireless/ath/ath10k/pci.h
index c76789d5de99..c1e08ad63940 100644
--- a/drivers/net/wireless/ath/ath10k/pci.h
+++ b/drivers/net/wireless/ath/ath10k/pci.h
@@ -233,6 +233,11 @@ struct ath10k_pci {
/* Chip specific pci full reset function */
int (*pci_hard_reset)(struct ath10k *ar);
+ /* chip specific methods for converting target CPU virtual address
+ * space to CE address space
+ */
+ u32 (*targ_cpu_to_ce_addr)(struct ath10k *ar, u32 addr);
+
/* Keep this entry in the last, memory for struct ath10k_ahb is
* allocated (ahb support enabled case) in the continuation of
* this struct.
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.