QCA99X0 supports only cold reset. Also, made
ath10k_pci_irq_msi_fw_mask() and ath10k_pci_irq_msi_fw_unmask()
non-99X0 specific till we get proper register configuration
to mask/unmask irq/MSI.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath10k/pci.c | 81 ++++++++++++++++++++++++++++++-----
1 file changed, 71 insertions(+), 10 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index 422232c..fe41b61 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -82,7 +82,7 @@ static const struct ath10k_pci_supp_chip ath10k_pci_supp_chips[] = {
static void ath10k_pci_buffer_cleanup(struct ath10k *ar);
static int ath10k_pci_cold_reset(struct ath10k *ar);
-static int ath10k_pci_warm_reset(struct ath10k *ar);
+static int ath10k_pci_safe_chip_reset(struct ath10k *ar);
static int ath10k_pci_wait_for_target_init(struct ath10k *ar);
static int ath10k_pci_init_irq(struct ath10k *ar);
static int ath10k_pci_deinit_irq(struct ath10k *ar);
@@ -91,6 +91,7 @@ static void ath10k_pci_free_irq(struct ath10k *ar);
static int ath10k_pci_bmi_wait(struct ath10k_ce_pipe *tx_pipe,
struct ath10k_ce_pipe *rx_pipe,
struct bmi_xfer *xfer);
+static int ath10k_pci_qca99x0_chip_reset(struct ath10k *ar);
static const struct ce_attr host_ce_config_wlan[] = {
/* CE0: host->target HTC control and raw streams */
@@ -1415,20 +1416,42 @@ static void ath10k_pci_irq_msi_fw_mask(struct ath10k *ar)
{
u32 val;
- val = ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS + CORE_CTRL_ADDRESS);
- val &= ~CORE_CTRL_PCIE_REG_31_MASK;
-
- ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS + CORE_CTRL_ADDRESS, val);
+ switch (ar->hw_rev) {
+ case ATH10K_HW_QCA988X:
+ case ATH10K_HW_QCA6174:
+ val = ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS +
+ CORE_CTRL_ADDRESS);
+ val &= ~CORE_CTRL_PCIE_REG_31_MASK;
+ ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS +
+ CORE_CTRL_ADDRESS, val);
+ break;
+ case ATH10K_HW_QCA99X0:
+ /* TODO: Find appropriate register configuration for QCA99X0
+ * to mask irq/MSI.
+ */
+ break;
+ }
}
static void ath10k_pci_irq_msi_fw_unmask(struct ath10k *ar)
{
u32 val;
- val = ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS + CORE_CTRL_ADDRESS);
- val |= CORE_CTRL_PCIE_REG_31_MASK;
-
- ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS + CORE_CTRL_ADDRESS, val);
+ switch (ar->hw_rev) {
+ case ATH10K_HW_QCA988X:
+ case ATH10K_HW_QCA6174:
+ val = ath10k_pci_read32(ar, SOC_CORE_BASE_ADDRESS +
+ CORE_CTRL_ADDRESS);
+ val |= CORE_CTRL_PCIE_REG_31_MASK;
+ ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS +
+ CORE_CTRL_ADDRESS, val);
+ break;
+ case ATH10K_HW_QCA99X0:
+ /* TODO: Find appropriate register configuration for QCA99X0
+ * to unmask irq/MSI.
+ */
+ break;
+ }
}
static void ath10k_pci_irq_disable(struct ath10k *ar)
@@ -1590,7 +1613,7 @@ static void ath10k_pci_hif_stop(struct ath10k *ar)
* masked. To prevent the device from asserting the interrupt reset it
* before proceeding with cleanup.
*/
- ath10k_pci_warm_reset(ar);
+ ath10k_pci_safe_chip_reset(ar);
ath10k_pci_irq_disable(ar);
ath10k_pci_irq_sync(ar);
@@ -2102,6 +2125,18 @@ static int ath10k_pci_warm_reset(struct ath10k *ar)
return 0;
}
+static int ath10k_pci_safe_chip_reset(struct ath10k *ar)
+{
+ if (QCA_REV_988X(ar) || QCA_REV_6174(ar)) {
+ return ath10k_pci_warm_reset(ar);
+ } else if (QCA_REV_99X0(ar)) {
+ ath10k_pci_irq_disable(ar);
+ return ath10k_pci_qca99x0_chip_reset(ar);
+ } else {
+ return -ENOTSUPP;
+ }
+}
+
static int ath10k_pci_qca988x_chip_reset(struct ath10k *ar)
{
int i, ret;
@@ -2208,12 +2243,38 @@ static int ath10k_pci_qca6174_chip_reset(struct ath10k *ar)
return 0;
}
+static int ath10k_pci_qca99x0_chip_reset(struct ath10k *ar)
+{
+ int ret;
+
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot qca99x0 chip reset\n");
+
+ ret = ath10k_pci_cold_reset(ar);
+ if (ret) {
+ ath10k_warn(ar, "failed to cold reset: %d\n", ret);
+ return ret;
+ }
+
+ ret = ath10k_pci_wait_for_target_init(ar);
+ if (ret) {
+ ath10k_warn(ar, "failed to wait for target after cold reset: %d\n",
+ ret);
+ return ret;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot qca99x0 chip reset complete (cold)\n");
+
+ return 0;
+}
+
static int ath10k_pci_chip_reset(struct ath10k *ar)
{
if (QCA_REV_988X(ar))
return ath10k_pci_qca988x_chip_reset(ar);
else if (QCA_REV_6174(ar))
return ath10k_pci_qca6174_chip_reset(ar);
+ else if (QCA_REV_99X0(ar))
+ return ath10k_pci_qca99x0_chip_reset(ar);
else
return -ENOTSUPP;
}
--
1.9.1
--
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