@@ -340,6 +340,31 @@ static void ath11k_ahb_power_down(struct ath11k_base *ab)
rproc_shutdown(ab_ahb->tgt_rproc);
}
+static int ath11k_ahb_fwreset_from_cold_boot(struct ath11k_base *ab)
+{
+ int timeout;
+
+ if (ath11k_cold_boot_cal == 0 || ab->qmi.cal_done ||
+ ab->hw_params.cold_boot_calib == 0)
+ 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_cold_boot_cal = 0;
+ ath11k_warn(ab, "Coldboot Calibration failed timed out\n");
+ }
+
+ /* reset the firmware */
+ ath11k_ahb_power_down(ab);
+ ath11k_ahb_power_up(ab);
+
+ ath11k_dbg(ab, ATH11K_DBG_AHB, "exited from cold boot mode\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;
@@ -700,6 +725,8 @@ static int ath11k_ahb_probe(struct platform_device *pdev)
goto err_ce_free;
}
+ ath11k_ahb_fwreset_from_cold_boot(ab);
+
return 0;
err_ce_free:
@@ -65,6 +65,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
.supports_monitor = true,
.supports_shadow_regs = false,
.idle_ps = false,
+ .cold_boot_calib = true,
},
{
.hw_rev = ATH11K_HW_IPQ6018_HW10,
@@ -102,6 +103,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
.supports_monitor = true,
.supports_shadow_regs = false,
.idle_ps = false,
+ .cold_boot_calib = true,
},
{
.name = "qca6390 hw2.0",
@@ -138,6 +140,7 @@ static const struct ath11k_hw_params ath11k_hw_params[] = {
.supports_monitor = false,
.supports_shadow_regs = true,
.idle_ps = true,
+ .cold_boot_calib = false,
},
};
@@ -923,6 +926,7 @@ struct ath11k_base *ath11k_core_alloc(struct device *dev, size_t priv_size,
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;
@@ -111,8 +111,13 @@ enum ath11k_firmware_mode {
/* factory tests etc */
ATH11K_FIRMWARE_MODE_FTM,
+
+ /* Cold boot calibration */
+ ATH11K_FIRMWARE_MODE_COLD_BOOT = 7,
};
+extern bool ath11k_cold_boot_cal;
+
#define ATH11K_IRQ_NUM_MAX 52
#define ATH11K_EXT_IRQ_NUM_MAX 16
@@ -161,6 +161,7 @@ struct ath11k_hw_params {
bool supports_monitor;
bool supports_shadow_regs;
bool idle_ps;
+ bool cold_boot_calib;
};
struct ath11k_hw_ops {
@@ -14,6 +14,13 @@
#define SLEEP_CLOCK_SELECT_INTERNAL_BIT 0x02
#define HOST_CSTATE_BIT 0x04
+bool ath11k_cold_boot_cal = 1;
+EXPORT_SYMBOL(ath11k_cold_boot_cal);
+module_param_named(cold_boot_cal, ath11k_cold_boot_cal, bool, 0644);
+MODULE_PARM_DESC(cold_boot_cal,
+ "Cold boot will bring down the channel switch time but "
+ "it will increase the driver load time (enable:1, disable:0)");
+
static struct qmi_elem_info qmi_wlanfw_host_cap_req_msg_v01_ei[] = {
{
.data_type = QMI_OPT_FLAG,
@@ -1769,9 +1776,16 @@ static int ath11k_qmi_assign_target_mem_chunk(struct ath11k_base *ab)
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 (ath11k_cold_boot_cal && ab->hw_params.cold_boot_calib) {
+ ab->qmi.target_mem[idx].paddr =
+ ATH11K_QMI_CALDB_ADDRESS;
+ ab->qmi.target_mem[idx].vaddr =
+ (void *)ATH11K_QMI_CALDB_ADDRESS;
+ } else {
+ ab->qmi.target_mem[idx].paddr = 0;
+ ab->qmi.target_mem[idx].vaddr = NULL;
+ }
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++;
@@ -2352,6 +2366,32 @@ int ath11k_qmi_firmware_start(struct ath11k_base *ab,
return 0;
}
+static int ath11k_qmi_process_coldboot_calibration(struct ath11k_base *ab)
+{
+ int timeout;
+ int ret;
+
+ 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_dbg(ab, ATH11K_DBG_QMI, "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 failed - wait ended\n");
+ return 0;
+ }
+
+ ath11k_dbg(ab, ATH11K_DBG_QMI, "Coldboot calibration done\n");
+
+ return 0;
+}
+
static int
ath11k_qmi_driver_event_post(struct ath11k_qmi *qmi,
enum ath11k_qmi_event_type type,
@@ -2501,11 +2541,18 @@ static void ath11k_qmi_msg_fw_ready_cb(struct qmi_handle *qmi_hdl,
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[] = {
@@ -2618,9 +2665,16 @@ static void ath11k_qmi_driver_event_work(struct work_struct *work)
break;
}
- ath11k_core_qmi_firmware_ready(ab);
- ab->qmi.cal_done = 1;
- set_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags);
+ if (ath11k_cold_boot_cal && ab->qmi.cal_done == 0 &&
+ ab->hw_params.cold_boot_calib) {
+ 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:
@@ -12,6 +12,7 @@
#define ATH11K_HOST_VERSION_STRING "WIN"
#define ATH11K_QMI_WLANFW_TIMEOUT_MS 5000
#define ATH11K_QMI_MAX_BDF_FILE_NAME_SIZE 64
+#define ATH11K_QMI_CALDB_ADDRESS 0x4BA00000
#define ATH11K_QMI_BDF_MAX_SIZE (256 * 1024)
#define ATH11K_QMI_CALDATA_OFFSET (128 * 1024)
#define ATH11K_QMI_WLANFW_MAX_BUILD_ID_LEN_V01 128
@@ -33,6 +34,7 @@
#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 +127,7 @@ 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