touch: pt: deep sleep feature
Enabled deep sleep feature for pt touch sensor. Change-Id: If598192b2e1fc3535c4f9c9e0a6c56bd712af005 Signed-off-by: Srikanth Katteboina <quic_skattebo@quicinc.com> Signed-off-by: Anand Abhishek <quic_anandabh@quicinc.com>
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Anand Abhishek
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Gerrit - the friendly Code Review server
Gerrit - the friendly Code Review server
parent
9ec2c285b6
commit
85f841d111
153
pt/pt_core.c
153
pt/pt_core.c
@@ -30,6 +30,7 @@
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#include <linux/i2c.h>
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#include <linux/gpio.h>
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#include <linux/kthread.h>
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#include <linux/suspend.h>
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#include "pt_regs.h"
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#define PINCTRL_STATE_ACTIVE "pmx_ts_active"
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@@ -56,11 +57,7 @@ static struct drm_panel *active_panel;
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MODULE_FIRMWARE(PT_FW_FILE_NAME);
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#define ENABLE_VDD_REG_ONLY
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#define ENABLE_I2C_REG_ONLY
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#ifdef ENABLE_VDD_REG_ONLY
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static int pt_enable_vdd_regulator(struct pt_core_data *cd, bool en);
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#endif
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#ifdef ENABLE_I2C_REG_ONLY
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static int pt_enable_i2c_regulator(struct pt_core_data *cd, bool en);
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@@ -10571,66 +10568,6 @@ disable_vcc_i2c_reg_only:
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#endif
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#ifdef ENABLE_VDD_REG_ONLY
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static int pt_enable_vdd_regulator(struct pt_core_data *cd, bool en)
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{
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int rc = 0, status = 0;
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pt_debug(cd->dev, DL_INFO, "%s: Enter flag = %d\n", __func__, en);
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if (!en) {
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rc = 0;
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goto disable_vdd_reg_only;
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}
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if (cd->vdd) {
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if (regulator_count_voltages(cd->vdd) > 0) {
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rc = regulator_set_voltage(cd->vdd, FT_VTG_MIN_UV,
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FT_VTG_MAX_UV);
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if (rc) {
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dev_err(cd->dev,
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"Regulator set_vtg failed vdd rc=%d\n", rc);
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goto disable_vdd_reg_only;
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}
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}
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rc = regulator_enable(cd->vdd);
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if (rc) {
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dev_err(cd->dev,
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"Regulator vdd enable failed rc=%d\n", rc);
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goto disable_vdd_reg_only;
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}
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rc = regulator_set_load(cd->vdd, PWR_ACTIVE_LOAD_MA);
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if (rc < 0)
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pt_debug(cd->dev, DL_INFO, "%s: vdd unable to set active current rc = %d\n",
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__func__, rc);
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pt_debug(cd->dev, DL_INFO, "%s: vdd regulator enabled rc = %d\n", __func__, rc);
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}
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return 0;
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disable_vdd_reg_only:
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if (cd->vdd) {
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if (regulator_count_voltages(cd->vdd) > 0)
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regulator_set_voltage(cd->vdd, FT_VTG_MIN_UV,
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FT_VTG_MAX_UV);
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rc = regulator_set_load(cd->vdd, 0);
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if (rc < 0)
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pt_debug(cd->dev, DL_INFO, "%s: vdd unable to set 0 uAm rc = %d\n",
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__func__, rc);
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status = regulator_disable(cd->vdd);
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if (!en)
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rc = status;
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pt_debug(cd->dev, DL_INFO, "%s: vdd regulator disabled rc = %d\n", __func__, rc);
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}
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pt_debug(cd->dev, DL_INFO, "%s: Exit rc = %d\n", __func__, rc);
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return rc;
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}
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#endif
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static int pt_enable_regulator(struct pt_core_data *cd, bool en)
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{
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int rc;
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@@ -10782,21 +10719,7 @@ static int pt_core_suspend_(struct device *dev)
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return -EAGAIN;
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}
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#ifdef ENABLE_VDD_REG_ONLY
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rc = pt_enable_vdd_regulator(cd, false);
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if (rc) {
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dev_err(dev, "%s: Failed to disable vdd regulators: rc=%d\n",
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__func__, rc);
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}
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#endif
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#ifdef ENABLE_I2C_REG_ONLY
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rc = pt_enable_i2c_regulator(cd, false);
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if (rc) {
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dev_err(dev, "%s: Failed to disable vdd regulators: rc=%d\n",
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__func__, rc);
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}
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#endif
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rc = pt_enable_regulator(cd, false);
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if (!IS_EASY_WAKE_CONFIGURED(cd->easy_wakeup_gesture))
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return 0;
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@@ -10844,16 +10767,17 @@ static int pt_core_suspend(struct device *dev)
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cancel_work_sync(&cd->resume_work);
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cancel_work_sync(&cd->suspend_work);
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if (mem_sleep_current == PM_SUSPEND_MEM) {
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rc = pt_core_suspend_(cd->dev);
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cd->quick_boot = true;
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} else {
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rc = pt_core_easywake_on(cd);
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if (rc < 0) {
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if (rc < 0)
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pt_debug(cd->dev, DL_ERROR, "%s: Error on sleep\n", __func__);
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return true;
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}
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cd->fb_state = FB_OFF;
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status = pt_enable_i2c_regulator(cd, false);
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pt_debug(cd->dev, DL_INFO, "%s Exit - rc = %d\n", __func__, status);
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}
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return rc;
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}
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@@ -10877,22 +10801,7 @@ static int pt_core_resume_(struct device *dev)
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dev_info(dev, "%s: Entering into resume mode:\n",
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__func__);
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#ifdef ENABLE_VDD_REG_ONLY
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rc = pt_enable_vdd_regulator(cd, true);
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if (rc < 0) {
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dev_err(dev, "%s: Failed to enable vdd regulators: rc=%d\n",
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__func__, rc);
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}
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#endif
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#ifdef ENABLE_I2C_REG_ONLY
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rc = pt_enable_i2c_regulator(cd, true);
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if (rc < 0) {
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dev_err(dev, "%s: Failed to enable vdd regulators: rc=%d\n",
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__func__, rc);
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}
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#endif
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rc = pt_enable_regulator(cd, true);
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dev_info(dev, "%s: Voltage regulator enabled: rc=%d\n",
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__func__, rc);
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@@ -10930,6 +10839,30 @@ exit:
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return rc;
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}
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/*******************************************************************************
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* FUNCTION: pt_core_restore
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*
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* SUMMARY: Wrapper function with device suspend/resume stratergy to call
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* pt_core_wake. This function may enable IRQ before wake up.
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*
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* RETURN:
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* 0 = success
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* !0 = failure
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*
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* PARAMETERS:
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* *dev - pointer to core device
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******************************************************************************/
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static int pt_core_restore(struct device *dev)
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{
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int rc = 0;
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struct pt_core_data *cd = dev_get_drvdata(dev);
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dev_info(dev, "%s: Entering into resume mode:\n",
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__func__);
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queue_work(cd->pt_workqueue, &cd->resume_offload_work);
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return rc;
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}
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/*******************************************************************************
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* FUNCTION: suspend_offload_work
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@@ -11002,6 +10935,8 @@ static void pt_resume_offload_work(struct work_struct *work)
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pt_data->fb_state = FB_OFF;
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pt_debug(pt_data->dev, DL_INFO, "%s End\n", __func__);
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#endif
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pt_data->quick_boot = false;
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pt_debug(pt_data->dev, DL_INFO, "%s Exit\n", __func__);
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}
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@@ -11022,16 +10957,22 @@ static void pt_resume_offload_work(struct work_struct *work)
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static int pt_core_resume(struct device *dev)
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{
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struct pt_core_data *cd = dev_get_drvdata(dev);
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int rc = 0, status = 0;
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int rc = 0;
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if (cd->cpdata->flags & PT_CORE_FLAG_SKIP_SYS_SLEEP)
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return 0;
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if (mem_sleep_current == PM_SUSPEND_MEM) {
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rc = pt_core_restore(cd->dev);
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} else {
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pt_debug(cd->dev, DL_INFO, "%s start\n", __func__);
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status = pt_enable_i2c_regulator(cd, true);
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pt_debug(cd->dev, DL_INFO, "%s i2c regulator rc %d\n", __func__, status);
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rc = pt_enable_i2c_regulator(cd, true);
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pt_debug(cd->dev, DL_INFO, "%s i2c regulator rc %d\n", __func__, rc);
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pt_debug(cd->dev, DL_INFO, "%s End\n", __func__);
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}
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pt_debug(cd->dev, DL_INFO, "%s End rc = %d\n", __func__, rc);
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return rc;
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}
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#endif
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@@ -11077,6 +11018,8 @@ static int pt_pm_notifier(struct notifier_block *nb,
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const struct dev_pm_ops pt_pm_ops = {
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SET_SYSTEM_SLEEP_PM_OPS(pt_core_suspend, pt_core_resume)
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.freeze = pt_core_suspend,
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.restore = pt_core_restore,
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SET_RUNTIME_PM_OPS(pt_core_rt_suspend, pt_core_rt_resume,
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NULL)
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};
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@@ -12857,6 +12800,9 @@ static int drm_notifier_callback(struct notifier_block *self,
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goto exit;
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}
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if (cd->quick_boot)
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goto exit;
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blank = evdata->data;
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pt_debug(cd->dev, DL_INFO, "%s: DRM event:%lu,blank:%d fb_state %d sleep state %d ",
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__func__, event, *blank, cd->fb_state, cd->sleep_state);
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@@ -17521,6 +17467,7 @@ int pt_probe(const struct pt_bus_ops *ops, struct device *dev,
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cd->multi_chip = PT_FEATURE_DISABLE;
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cd->tthe_hid_usb_format = PT_FEATURE_DISABLE;
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cd->sleep_state = SS_SLEEP_NONE;
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cd->quick_boot = false;
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if (cd->cpdata->config_dut_generation == CONFIG_DUT_PIP2_CAPABLE) {
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cd->set_dut_generation = true;
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@@ -1585,6 +1585,7 @@ struct pt_core_data {
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bool bridge_mode;
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bool hw_detect_enabled;
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#endif
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bool quick_boot;
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};
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struct gd_sensor {
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