icnss: Add support of monitoring vph_pwr
Add support of monitoring runtime phone power. Driver configures two threshold values and receives notifications when phone power crosses either high or low threshold. Driver then sends indication to WLAN FW, which will vote for different regulator power mode based on the indication. CRs-Fixed: 1050198 Change-Id: I0614286f1b2a3446d40ad4d82e24a6e8f91069e1 Signed-off-by: Yuanyuan Liu <yuanliu@codeaurora.org>
This commit is contained in:
Yuanyuan Liu
parent
cc9afa974c
commit
d44c09c2b9
2 changed files with 248 additions and 0 deletions
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@ -25,6 +25,8 @@ Required properties:
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uS.
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Optional properties:
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- qcom,icnss-vadc: VADC handle for vph_pwr read APIs.
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- qcom,icnss-adc_tm: VADC handle for vph_pwr notification APIs.
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Example:
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@ -35,6 +35,7 @@
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#include <linux/ipc_logging.h>
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#include <linux/msm-bus.h>
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#include <linux/uaccess.h>
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#include <linux/qpnp/qpnp-adc.h>
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#include <soc/qcom/memory_dump.h>
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#include <soc/qcom/icnss.h>
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#include <soc/qcom/msm_qmi_interface.h>
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@ -160,6 +161,10 @@
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#define ICNSS_SERVICE_LOCATION_CLIENT_NAME "ICNSS-WLAN"
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#define ICNSS_WLAN_SERVICE_NAME "wlan/fw"
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#define ICNSS_THRESHOLD_HIGH 3600000
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#define ICNSS_THRESHOLD_LOW 3450000
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#define ICNSS_THRESHOLD_GUARD 20000
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#define icnss_ipc_log_string(_x...) do { \
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if (icnss_ipc_log_context) \
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ipc_log_string(icnss_ipc_log_context, _x); \
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@ -360,6 +365,9 @@ struct icnss_stats {
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uint32_t ini_req;
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uint32_t ini_resp;
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uint32_t ini_req_err;
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uint32_t vbatt_req;
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uint32_t vbatt_resp;
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uint32_t vbatt_req_err;
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};
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static struct icnss_priv {
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@ -415,6 +423,10 @@ static struct icnss_priv {
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uint32_t diag_reg_read_mem_type;
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uint32_t diag_reg_read_len;
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uint8_t *diag_reg_read_buf;
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struct qpnp_adc_tm_btm_param vph_monitor_params;
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struct qpnp_adc_tm_chip *adc_tm_dev;
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struct qpnp_vadc_chip *vadc_dev;
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uint64_t vph_pwr;
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} *penv;
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static void icnss_hw_write_reg(void *base, u32 offset, u32 val)
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@ -564,6 +576,189 @@ static int icnss_driver_event_post(enum icnss_driver_event_type type,
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return ret;
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}
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static int wlfw_vbatt_send_sync_msg(struct icnss_priv *priv,
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uint64_t voltage_uv)
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{
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int ret;
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struct wlfw_vbatt_req_msg_v01 req;
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struct wlfw_vbatt_resp_msg_v01 resp;
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struct msg_desc req_desc, resp_desc;
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if (!priv->wlfw_clnt) {
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ret = -ENODEV;
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goto out;
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}
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icnss_pr_dbg("Sending Vbatt message, state: 0x%lx\n",
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penv->state);
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memset(&req, 0, sizeof(req));
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memset(&resp, 0, sizeof(resp));
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req.voltage_uv = voltage_uv;
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req_desc.max_msg_len = WLFW_VBATT_REQ_MSG_V01_MAX_MSG_LEN;
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req_desc.msg_id = QMI_WLFW_VBATT_REQ_V01;
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req_desc.ei_array = wlfw_vbatt_req_msg_v01_ei;
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resp_desc.max_msg_len = WLFW_VBATT_RESP_MSG_V01_MAX_MSG_LEN;
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resp_desc.msg_id = QMI_WLFW_VBATT_RESP_V01;
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resp_desc.ei_array = wlfw_vbatt_resp_msg_v01_ei;
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priv->stats.vbatt_req++;
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ret = qmi_send_req_wait(priv->wlfw_clnt, &req_desc, &req, sizeof(req),
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&resp_desc, &resp, sizeof(resp), WLFW_TIMEOUT_MS);
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if (ret < 0) {
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icnss_pr_err("Send vbatt req failed %d\n", ret);
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goto out;
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}
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if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
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icnss_pr_err("QMI vbatt request failed %d %d\n",
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resp.resp.result, resp.resp.error);
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ret = resp.resp.result;
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goto out;
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}
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priv->stats.vbatt_resp++;
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out:
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priv->stats.vbatt_req_err++;
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return ret;
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}
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static int icnss_get_phone_power(struct icnss_priv *priv, uint64_t *result_uv)
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{
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int ret = 0;
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struct qpnp_vadc_result adc_result;
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if (!priv->vadc_dev) {
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icnss_pr_err("VADC dev doesn't exists\n");
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ret = -EINVAL;
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goto out;
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}
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ret = qpnp_vadc_read(penv->vadc_dev, VADC_VPH_PWR, &adc_result);
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if (ret) {
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icnss_pr_err("Error reading ADC channel %d, ret = %d\n",
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VADC_VPH_PWR, ret);
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goto out;
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}
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icnss_pr_dbg("Phone power read phy=%lld meas=0x%llx\n",
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adc_result.physical, adc_result.measurement);
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*result_uv = adc_result.physical;
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out:
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return ret;
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}
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static void icnss_vph_notify(enum qpnp_tm_state state, void *ctx)
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{
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struct icnss_priv *priv = ctx;
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uint64_t vph_pwr = 0;
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uint64_t vph_pwr_prev;
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int ret = 0;
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bool update = true;
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if (!priv) {
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icnss_pr_err("Priv pointer is NULL\n");
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return;
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}
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vph_pwr_prev = priv->vph_pwr;
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ret = icnss_get_phone_power(priv, &vph_pwr);
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if (ret)
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return;
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if (vph_pwr < ICNSS_THRESHOLD_LOW) {
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if (vph_pwr_prev < ICNSS_THRESHOLD_LOW)
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update = false;
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priv->vph_monitor_params.state_request =
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ADC_TM_HIGH_THR_ENABLE;
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priv->vph_monitor_params.high_thr = ICNSS_THRESHOLD_LOW +
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ICNSS_THRESHOLD_GUARD;
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priv->vph_monitor_params.low_thr = 0;
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} else if (vph_pwr > ICNSS_THRESHOLD_HIGH) {
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if (vph_pwr_prev > ICNSS_THRESHOLD_HIGH)
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update = false;
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priv->vph_monitor_params.state_request =
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ADC_TM_LOW_THR_ENABLE;
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priv->vph_monitor_params.low_thr = ICNSS_THRESHOLD_HIGH -
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ICNSS_THRESHOLD_GUARD;
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priv->vph_monitor_params.high_thr = 0;
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} else {
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if (vph_pwr_prev > ICNSS_THRESHOLD_LOW &&
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vph_pwr_prev < ICNSS_THRESHOLD_HIGH)
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update = false;
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priv->vph_monitor_params.state_request =
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ADC_TM_HIGH_LOW_THR_ENABLE;
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priv->vph_monitor_params.low_thr = ICNSS_THRESHOLD_LOW;
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priv->vph_monitor_params.high_thr = ICNSS_THRESHOLD_HIGH;
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}
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priv->vph_pwr = vph_pwr;
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if (update)
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wlfw_vbatt_send_sync_msg(priv, vph_pwr);
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icnss_pr_dbg("set low threshold to %d, high threshold to %d\n",
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priv->vph_monitor_params.low_thr,
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priv->vph_monitor_params.high_thr);
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ret = qpnp_adc_tm_channel_measure(priv->adc_tm_dev,
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&priv->vph_monitor_params);
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if (ret)
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icnss_pr_err("TM channel setup failed %d\n", ret);
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}
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static int icnss_setup_vph_monitor(struct icnss_priv *priv)
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{
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int ret = 0;
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if (!priv->adc_tm_dev) {
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icnss_pr_err("ADC TM handler is NULL\n");
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ret = -EINVAL;
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goto out;
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}
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priv->vph_monitor_params.low_thr = ICNSS_THRESHOLD_LOW;
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priv->vph_monitor_params.high_thr = ICNSS_THRESHOLD_HIGH;
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priv->vph_monitor_params.state_request = ADC_TM_HIGH_LOW_THR_ENABLE;
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priv->vph_monitor_params.channel = VADC_VPH_PWR;
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priv->vph_monitor_params.btm_ctx = priv;
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priv->vph_monitor_params.timer_interval = ADC_MEAS1_INTERVAL_1S;
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priv->vph_monitor_params.threshold_notification = &icnss_vph_notify;
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icnss_pr_dbg("Set low threshold to %d, high threshold to %d\n",
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priv->vph_monitor_params.low_thr,
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priv->vph_monitor_params.high_thr);
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ret = qpnp_adc_tm_channel_measure(priv->adc_tm_dev,
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&priv->vph_monitor_params);
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if (ret)
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icnss_pr_err("TM channel setup failed %d\n", ret);
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out:
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return ret;
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}
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static int icnss_init_vph_monitor(struct icnss_priv *priv)
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{
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int ret = 0;
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ret = icnss_get_phone_power(priv, &priv->vph_pwr);
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if (ret)
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goto out;
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wlfw_vbatt_send_sync_msg(priv, priv->vph_pwr);
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ret = icnss_setup_vph_monitor(priv);
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if (ret)
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goto out;
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out:
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return ret;
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}
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static int icnss_qmi_pin_connect_result_ind(void *msg, unsigned int msg_len)
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{
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struct msg_desc ind_desc;
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@ -2046,6 +2241,8 @@ static int icnss_driver_event_server_arrive(void *data)
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if (ret < 0)
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goto err_setup_msa;
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icnss_init_vph_monitor(penv);
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return ret;
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err_setup_msa:
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@ -2067,6 +2264,10 @@ static int icnss_driver_event_server_exit(void *data)
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icnss_pr_info("QMI Service Disconnected: 0x%lx\n", penv->state);
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if (penv->adc_tm_dev)
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qpnp_adc_tm_disable_chan_meas(penv->adc_tm_dev,
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&penv->vph_monitor_params);
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qmi_handle_destroy(penv->wlfw_clnt);
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clear_bit(ICNSS_WLFW_QMI_CONNECTED, &penv->state);
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@ -3618,6 +3819,9 @@ static int icnss_stats_show(struct seq_file *s, void *data)
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ICNSS_STATS_DUMP(s, priv, ini_req);
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ICNSS_STATS_DUMP(s, priv, ini_resp);
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ICNSS_STATS_DUMP(s, priv, ini_req_err);
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ICNSS_STATS_DUMP(s, priv, vbatt_req);
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ICNSS_STATS_DUMP(s, priv, vbatt_resp);
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ICNSS_STATS_DUMP(s, priv, vbatt_req_err);
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seq_puts(s, "\n<------------------ PM stats ------------------->\n");
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ICNSS_STATS_DUMP(s, priv, pm_suspend);
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@ -3890,6 +4094,44 @@ static void icnss_debugfs_destroy(struct icnss_priv *priv)
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debugfs_remove_recursive(priv->root_dentry);
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}
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static int icnss_get_vbatt_info(struct icnss_priv *priv)
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{
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struct qpnp_adc_tm_chip *adc_tm_dev = NULL;
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struct qpnp_vadc_chip *vadc_dev = NULL;
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int ret = 0;
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adc_tm_dev = qpnp_get_adc_tm(&priv->pdev->dev, "icnss");
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if (PTR_ERR(adc_tm_dev) == -EPROBE_DEFER) {
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icnss_pr_err("adc_tm_dev probe defer\n");
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return -EPROBE_DEFER;
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}
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if (IS_ERR(adc_tm_dev)) {
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ret = PTR_ERR(adc_tm_dev);
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icnss_pr_err("Not able to get ADC dev, VBATT monitoring is disabled: %d\n",
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ret);
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return ret;
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}
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vadc_dev = qpnp_get_vadc(&priv->pdev->dev, "icnss");
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if (PTR_ERR(vadc_dev) == -EPROBE_DEFER) {
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icnss_pr_err("vadc_dev probe defer\n");
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return -EPROBE_DEFER;
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}
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if (IS_ERR(vadc_dev)) {
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ret = PTR_ERR(vadc_dev);
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icnss_pr_err("Not able to get VADC dev, VBATT monitoring is disabled: %d\n",
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ret);
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return ret;
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}
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priv->adc_tm_dev = adc_tm_dev;
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priv->vadc_dev = vadc_dev;
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return 0;
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}
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static int icnss_probe(struct platform_device *pdev)
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{
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int ret = 0;
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@ -3914,6 +4156,10 @@ static int icnss_probe(struct platform_device *pdev)
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priv->pdev = pdev;
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ret = icnss_get_vbatt_info(priv);
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if (ret == -EPROBE_DEFER)
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goto out;
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memcpy(priv->vreg_info, icnss_vreg_info, sizeof(icnss_vreg_info));
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for (i = 0; i < ICNSS_VREG_INFO_SIZE; i++) {
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ret = icnss_get_vreg_info(dev, &priv->vreg_info[i]);
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