wlan-ap-Telecominfraproject/feeds/wifi-ax/mac80211/patches/qca/021-ath11k-cold-boot-calibration-support.patch
John Crispin 528a778e38 open-converged-wireless: Import 21.02 based uCentral tree
Signed-off-by: John Crispin <john@phrozen.org>
2021-03-25 12:19:47 +01:00

202 lines
6.4 KiB
Diff

--- a/drivers/net/wireless/ath/ath11k/ahb.c
+++ b/drivers/net/wireless/ath/ath11k/ahb.c
@@ -573,6 +573,29 @@ static void ath11k_ahb_power_down(struct
rproc_shutdown(ab->tgt_rproc);
}
+int ath11k_ahb_fwreset_from_cold_boot(struct ath11k_base *ab)
+{
+ int timeout;
+
+ if (enable_cold_boot_cal == 0 || ab->qmi.cal_done)
+ return 0;
+
+ ath11k_dbg(ab, ATH11K_DBG_AHB, "wait for cold boot done\n");
+ timeout = wait_event_timeout(ab->qmi.cold_boot_waitq, (ab->qmi.cal_done == 1),
+ ATH11K_COLD_BOOT_FW_RESET_DELAY);
+ if (timeout <= 0) {
+ ath11k_warn(ab, "Coldboot Calibration timed out\n");
+ return -ETIMEDOUT;
+ }
+
+ /* reset the firmware */
+ ath11k_ahb_power_down(ab);
+ ath11k_ahb_power_up(ab);
+ ath11k_dbg(ab, ATH11K_DBG_AHB, "exit wait for cold boot done\n");
+
+ return 0;
+}
+
static void ath11k_ahb_init_qmi_ce_config(struct ath11k_base *ab)
{
struct ath11k_qmi_ce_cfg *cfg = &ab->qmi.ce_cfg;
@@ -911,6 +934,8 @@ static int ath11k_ahb_probe(struct platf
goto err_ce_free;
}
+ ath11k_ahb_fwreset_from_cold_boot(ab);
+
return 0;
err_ce_free:
--- a/drivers/net/wireless/ath/ath11k/core.h
+++ b/drivers/net/wireless/ath/ath11k/core.h
@@ -107,8 +107,12 @@ enum ath11k_firmware_mode {
/* factory tests etc */
ATH11K_FIRMWARE_MODE_FTM,
+
+ /* Cold boot calibration */
+ ATH11K_FIRMWARE_MODE_COLD_BOOT = 7,
};
+extern bool enable_cold_boot_cal;
#define ATH11K_IRQ_NUM_MAX 52
#define ATH11K_EXT_IRQ_NUM_MAX 16
--- a/drivers/net/wireless/ath/ath11k/qmi.c
+++ b/drivers/net/wireless/ath/ath11k/qmi.c
@@ -12,6 +12,12 @@
#define SLEEP_CLOCK_SELECT_INTERNAL_BIT 0x02
#define HOST_CSTATE_BIT 0x04
+/* set the default max assoc sta to max supported by driver */
+bool enable_cold_boot_cal = 1;
+EXPORT_SYMBOL(enable_cold_boot_cal);
+module_param(enable_cold_boot_cal, bool, 0644);
+MODULE_PARM_DESC(enable_cold_boot_cal, "cold boot calibration enable:1 disable:0");
+
static struct qmi_elem_info qmi_wlanfw_host_cap_req_msg_v01_ei[] = {
{
.data_type = QMI_OPT_FLAG,
@@ -1752,6 +1758,7 @@ static int ath11k_qmi_alloc_target_mem_c
static int ath11k_qmi_assign_target_mem_chunk(struct ath11k_base *ab)
{
int i, idx;
+ u32 caldb_location[2] = {0, 0};
for (i = 0, idx = 0; i < ab->qmi.mem_seg_count; i++) {
switch (ab->qmi.target_mem[i].type) {
@@ -1767,9 +1774,20 @@ static int ath11k_qmi_assign_target_mem_
ath11k_warn(ab, "qmi mem size is low to load caldata\n");
return -EINVAL;
}
- /* TODO ath11k does not support cold boot calibration */
- ab->qmi.target_mem[idx].paddr = 0;
- ab->qmi.target_mem[idx].vaddr = NULL;
+
+ if (of_property_read_u32_array(ab->dev->of_node, "qcom,caldb-addr",
+ &caldb_location[0],
+ ARRAY_SIZE(caldb_location))) {
+ ath11k_warn(ab, "qmi no bdf_addr in device_tree\n");
+ }
+
+ if (enable_cold_boot_cal) {
+ ab->qmi.target_mem[idx].paddr = caldb_location[ab->qmi.target_mem_mode];
+ ab->qmi.target_mem[idx].vaddr = caldb_location[ab->qmi.target_mem_mode];
+ } else {
+ ab->qmi.target_mem[idx].paddr = 0;
+ ab->qmi.target_mem[idx].vaddr = 0;
+ }
ab->qmi.target_mem[idx].size = ab->qmi.target_mem[i].size;
ab->qmi.target_mem[idx].type = ab->qmi.target_mem[i].type;
idx++;
@@ -2331,6 +2349,30 @@ int ath11k_qmi_firmware_start(struct ath
return 0;
}
+int ath11k_qmi_process_coldboot_calibration(struct ath11k_base *ab)
+{
+ int ret;
+ int timeout;
+
+ ret = ath11k_qmi_wlanfw_mode_send(ab, ATH11K_FIRMWARE_MODE_COLD_BOOT);
+ if (ret < 0) {
+ ath11k_warn(ab, "qmi failed to send wlan fw mode:%d\n", ret);
+ return ret;
+ }
+
+ ath11k_info(ab, "Coldboot calibration wait started\n");
+ timeout = wait_event_timeout(ab->qmi.cold_boot_waitq, (ab->qmi.cal_done == 1),
+ ATH11K_COLD_BOOT_FW_RESET_DELAY);
+ if (timeout <= 0) {
+ ath11k_warn(ab, "Coldboot Calibration timed out\n");
+ return -ETIMEDOUT;
+ }
+
+ ath11k_info(ab, "Coldboot calibration wait ended\n");
+
+ return 0;
+}
+
static int
ath11k_qmi_driver_event_post(struct ath11k_qmi *qmi,
enum ath11k_qmi_event_type type,
@@ -2480,11 +2522,17 @@ static void ath11k_qmi_msg_fw_ready_cb(s
ath11k_qmi_driver_event_post(qmi, ATH11K_QMI_EVENT_FW_READY, NULL);
}
-static void ath11k_qmi_msg_cold_boot_cal_done_cb(struct qmi_handle *qmi,
+static void ath11k_qmi_msg_cold_boot_cal_done_cb(struct qmi_handle *qmi_hdl,
struct sockaddr_qrtr *sq,
struct qmi_txn *txn,
const void *decoded)
{
+ struct ath11k_qmi *qmi = container_of(qmi_hdl, struct ath11k_qmi, handle);
+ struct ath11k_base *ab = qmi->ab;
+
+ ab->qmi.cal_done = 1;
+ wake_up(&ab->qmi.cold_boot_waitq);
+ ath11k_dbg(ab, ATH11K_DBG_QMI, "qmi cold boot calibration done\n");
}
static const struct qmi_msg_handler ath11k_qmi_msg_handlers[] = {
@@ -2596,11 +2644,14 @@ static void ath11k_qmi_driver_event_work
queue_work(ab->workqueue, &ab->restart_work);
break;
}
-
- ath11k_core_qmi_firmware_ready(ab);
- ab->qmi.cal_done = 1;
- set_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags);
-
+ if (enable_cold_boot_cal && ab->qmi.cal_done == 0) {
+ ath11k_qmi_process_coldboot_calibration(ab);
+ } else {
+ clear_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags);
+ clear_bit(ATH11K_FLAG_RECOVERY, &ab->dev_flags);
+ ath11k_core_qmi_firmware_ready(ab);
+ set_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags);
+ }
break;
case ATH11K_QMI_EVENT_COLD_BOOT_CAL_DONE:
break;
--- a/drivers/net/wireless/ath/ath11k/qmi.h
+++ b/drivers/net/wireless/ath/ath11k/qmi.h
@@ -33,6 +33,7 @@
#define QMI_WLANFW_MAX_DATA_SIZE_V01 6144
#define ATH11K_FIRMWARE_MODE_OFF 4
#define ATH11K_QMI_TARGET_MEM_MODE_DEFAULT 0
+#define ATH11K_COLD_BOOT_FW_RESET_DELAY (40 * HZ)
struct ath11k_base;
@@ -125,6 +126,7 @@ struct ath11k_qmi {
struct target_info target;
struct m3_mem_region m3_mem;
unsigned int service_ins_id;
+ wait_queue_head_t cold_boot_waitq;
};
#define QMI_WLANFW_HOST_CAP_REQ_MSG_V01_MAX_LEN 189
--- a/drivers/net/wireless/ath/ath11k/core.c
+++ b/drivers/net/wireless/ath/ath11k/core.c
@@ -901,6 +901,7 @@ struct ath11k_base *ath11k_core_alloc(st
INIT_LIST_HEAD(&ab->peers);
init_waitqueue_head(&ab->peer_mapping_wq);
init_waitqueue_head(&ab->wmi_ab.tx_credits_wq);
+ init_waitqueue_head(&ab->qmi.cold_boot_waitq);
INIT_WORK(&ab->restart_work, ath11k_core_restart);
timer_setup(&ab->rx_replenish_retry, ath11k_ce_rx_replenish_retry, 0);
ab->dev = dev;