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path: root/drivers/net/wireless/ath/ath10k/pci.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath10k/pci.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/pci.c71
1 files changed, 55 insertions, 16 deletions
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index ded7a220a4aa..1d941d53fdc9 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -116,7 +116,7 @@ static void ath10k_pci_htt_rx_cb(struct ath10k_ce_pipe *ce_state);
static void ath10k_pci_htt_htc_rx_cb(struct ath10k_ce_pipe *ce_state);
static void ath10k_pci_pktlog_rx_cb(struct ath10k_ce_pipe *ce_state);
-static struct ce_attr host_ce_config_wlan[] = {
+static const struct ce_attr pci_host_ce_config_wlan[] = {
/* CE0: host->target HTC control and raw streams */
{
.flags = CE_ATTR_FLAGS,
@@ -222,7 +222,7 @@ static struct ce_attr host_ce_config_wlan[] = {
};
/* Target firmware's Copy Engine configuration. */
-static struct ce_pipe_config target_ce_config_wlan[] = {
+static const struct ce_pipe_config pci_target_ce_config_wlan[] = {
/* CE0: host->target HTC control and raw streams */
{
.pipenum = __cpu_to_le32(0),
@@ -335,7 +335,7 @@ static struct ce_pipe_config target_ce_config_wlan[] = {
* This table is derived from the CE_PCI TABLE, above.
* It is passed to the Target at startup for use by firmware.
*/
-static struct service_to_pipe target_service_to_ce_map_wlan[] = {
+static const struct ce_service_to_pipe pci_target_service_to_ce_map_wlan[] = {
{
__cpu_to_le32(ATH10K_HTC_SVC_ID_WMI_DATA_VO),
__cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */
@@ -1787,6 +1787,8 @@ static void ath10k_pci_fw_crashed_dump(struct ath10k *ar)
void ath10k_pci_hif_send_complete_check(struct ath10k *ar, u8 pipe,
int force)
{
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+
ath10k_dbg(ar, ATH10K_DBG_PCI, "pci hif send complete check\n");
if (!force) {
@@ -1804,7 +1806,7 @@ void ath10k_pci_hif_send_complete_check(struct ath10k *ar, u8 pipe,
* If at least 50% of the total resources are still available,
* don't bother checking again yet.
*/
- if (resources > (host_ce_config_wlan[pipe].src_nentries >> 1))
+ if (resources > (ar_pci->attr[pipe].src_nentries >> 1))
return;
}
ath10k_ce_per_engine_service(ar, pipe);
@@ -1820,14 +1822,15 @@ static void ath10k_pci_rx_retry_sync(struct ath10k *ar)
int ath10k_pci_hif_map_service_to_pipe(struct ath10k *ar, u16 service_id,
u8 *ul_pipe, u8 *dl_pipe)
{
- const struct service_to_pipe *entry;
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+ const struct ce_service_to_pipe *entry;
bool ul_set = false, dl_set = false;
int i;
ath10k_dbg(ar, ATH10K_DBG_PCI, "pci hif map service\n");
- for (i = 0; i < ARRAY_SIZE(target_service_to_ce_map_wlan); i++) {
- entry = &target_service_to_ce_map_wlan[i];
+ for (i = 0; i < ARRAY_SIZE(pci_target_service_to_ce_map_wlan); i++) {
+ entry = &ar_pci->serv_to_pipe[i];
if (__le32_to_cpu(entry->service_id) != service_id)
continue;
@@ -2074,6 +2077,7 @@ static void ath10k_pci_hif_stop(struct ath10k *ar)
ath10k_pci_irq_sync(ar);
napi_synchronize(&ar->napi);
napi_disable(&ar->napi);
+ cancel_work_sync(&ar_pci->dump_work);
/* Most likely the device has HTT Rx ring configured. The only way to
* prevent the device from accessing (and possible corrupting) host
@@ -2315,6 +2319,7 @@ static int ath10k_bus_get_num_banks(struct ath10k *ar)
int ath10k_pci_init_config(struct ath10k *ar)
{
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
u32 interconnect_targ_addr;
u32 pcie_state_targ_addr = 0;
u32 pipe_cfg_targ_addr = 0;
@@ -2360,7 +2365,7 @@ int ath10k_pci_init_config(struct ath10k *ar)
}
ret = ath10k_pci_diag_write_mem(ar, pipe_cfg_targ_addr,
- target_ce_config_wlan,
+ ar_pci->pipe_config,
sizeof(struct ce_pipe_config) *
NUM_TARGET_CE_CONFIG_WLAN);
@@ -2385,8 +2390,8 @@ int ath10k_pci_init_config(struct ath10k *ar)
}
ret = ath10k_pci_diag_write_mem(ar, svc_to_pipe_map,
- target_service_to_ce_map_wlan,
- sizeof(target_service_to_ce_map_wlan));
+ ar_pci->serv_to_pipe,
+ sizeof(pci_target_service_to_ce_map_wlan));
if (ret != 0) {
ath10k_err(ar, "Failed to write svc/pipe map: %d\n", ret);
return ret;
@@ -2458,23 +2463,24 @@ static void ath10k_pci_override_ce_config(struct ath10k *ar)
{
struct ce_attr *attr;
struct ce_pipe_config *config;
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
/* For QCA6174 we're overriding the Copy Engine 5 configuration,
* since it is currently used for other feature.
*/
/* Override Host's Copy Engine 5 configuration */
- attr = &host_ce_config_wlan[5];
+ attr = &ar_pci->attr[5];
attr->src_sz_max = 0;
attr->dest_nentries = 0;
/* Override Target firmware's Copy Engine configuration */
- config = &target_ce_config_wlan[5];
+ config = &ar_pci->pipe_config[5];
config->pipedir = __cpu_to_le32(PIPEDIR_OUT);
config->nbytes_max = __cpu_to_le32(2048);
/* Map from service/endpoint to Copy Engine */
- target_service_to_ce_map_wlan[15].pipenum = __cpu_to_le32(1);
+ ar_pci->serv_to_pipe[15].pipenum = __cpu_to_le32(1);
}
int ath10k_pci_alloc_pipes(struct ath10k *ar)
@@ -2490,7 +2496,7 @@ int ath10k_pci_alloc_pipes(struct ath10k *ar)
pipe->pipe_num = i;
pipe->hif_ce_state = ar;
- ret = ath10k_ce_alloc_pipe(ar, i, &host_ce_config_wlan[i]);
+ ret = ath10k_ce_alloc_pipe(ar, i, &ar_pci->attr[i]);
if (ret) {
ath10k_err(ar, "failed to allocate copy engine pipe %d: %d\n",
i, ret);
@@ -2503,7 +2509,7 @@ int ath10k_pci_alloc_pipes(struct ath10k *ar)
continue;
}
- pipe->buf_sz = (size_t)(host_ce_config_wlan[i].src_sz_max);
+ pipe->buf_sz = (size_t)(ar_pci->attr[i].src_sz_max);
}
return 0;
@@ -2519,10 +2525,11 @@ void ath10k_pci_free_pipes(struct ath10k *ar)
int ath10k_pci_init_pipes(struct ath10k *ar)
{
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
int i, ret;
for (i = 0; i < CE_COUNT; i++) {
- ret = ath10k_ce_init_pipe(ar, i, &host_ce_config_wlan[i]);
+ ret = ath10k_ce_init_pipe(ar, i, &ar_pci->attr[i]);
if (ret) {
ath10k_err(ar, "failed to initialize copy engine pipe %d: %d\n",
i, ret);
@@ -3594,6 +3601,30 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
timer_setup(&ar_pci->ps_timer, ath10k_pci_ps_timer, 0);
+ ar_pci->attr = kmemdup(pci_host_ce_config_wlan,
+ sizeof(pci_host_ce_config_wlan),
+ GFP_KERNEL);
+ if (!ar_pci->attr) {
+ ret = -ENOMEM;
+ goto err_free;
+ }
+
+ ar_pci->pipe_config = kmemdup(pci_target_ce_config_wlan,
+ sizeof(pci_target_ce_config_wlan),
+ GFP_KERNEL);
+ if (!ar_pci->pipe_config) {
+ ret = -ENOMEM;
+ goto err_free;
+ }
+
+ ar_pci->serv_to_pipe = kmemdup(pci_target_service_to_ce_map_wlan,
+ sizeof(pci_target_service_to_ce_map_wlan),
+ GFP_KERNEL);
+ if (!ar_pci->serv_to_pipe) {
+ ret = -ENOMEM;
+ goto err_free;
+ }
+
ret = ath10k_pci_setup_resource(ar);
if (ret) {
ath10k_err(ar, "failed to setup resource: %d\n", ret);
@@ -3689,6 +3720,11 @@ err_free_pipes:
err_core_destroy:
ath10k_core_destroy(ar);
+err_free:
+ kfree(ar_pci->attr);
+ kfree(ar_pci->pipe_config);
+ kfree(ar_pci->serv_to_pipe);
+
return ret;
}
@@ -3714,6 +3750,9 @@ static void ath10k_pci_remove(struct pci_dev *pdev)
ath10k_pci_sleep_sync(ar);
ath10k_pci_release(ar);
ath10k_core_destroy(ar);
+ kfree(ar_pci->attr);
+ kfree(ar_pci->pipe_config);
+ kfree(ar_pci->serv_to_pipe);
}
MODULE_DEVICE_TABLE(pci, ath10k_pci_id_table);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.