static int msm8930_ov5693_vreg_off(void)
{
int rc = 0;
pr_info("[CAM] %s\n", __func__);
rc = ncp6924_enable_ldo(NCP6924_ID_LDO1, false);
if (rc < 0) {
pr_err("Disable NCP6924_ID_LDO1 failed!\n");
}
udelay(50);
rc = ncp6924_enable_ldo(NCP6924_ID_LDO3, false);
if (rc < 0) {
pr_err("Disable NCP6924_ID_LDO3 failed!\n");
}
udelay(50);
rc = ncp6924_enable_ldo(NCP6924_ID_LDO2, false);
if (rc < 0) {
pr_err("Disable NCP6924_ID_LDO2 failed!\n");
}
udelay(50);
return rc;
}
static int msm8930_mt9v113_vreg_off(void)
{
int rc = 0;
pr_info("[CAM] %s\n", __func__);
rc = ncp6924_enable_ldo(NCP6924_ID_LDO3, false);
if (rc < 0) {
pr_err("Disable NCP6924_ID_LDO3 failed!\n");
}
udelay(50);
rc = ncp6924_enable_ldo(NCP6924_ID_LDO1, false);
if (rc < 0) {
pr_err("Disable NCP6924_ID_LDO1 failed!\n");
}
udelay(50);
rc = ncp6924_enable_dcdc(NCP6924_ID_DCDC2, false);
if (rc < 0) {
pr_err("Disable NCP6924_ID_DCDC2 failed!\n");
}
udelay(50);
/* reset pin */
rc = gpio_request(CAM_PIN_GPIO_CAM2_RSTz, "mt9v113");
pr_info("[CAM] reset pin gpio_request, %d\n", CAM_PIN_GPIO_CAM2_RSTz);
if (rc < 0)
pr_err("[CAM] GPIO(%d) request failed", CAM_PIN_GPIO_CAM2_RSTz);
else {
gpio_direction_output(CAM_PIN_GPIO_CAM2_RSTz, 0);
gpio_free(CAM_PIN_GPIO_CAM2_RSTz);
}
udelay(50);
rc = ncp6924_enable_ldo(NCP6924_ID_LDO2, false);
if (rc < 0) {
pr_err("Disable NCP6924_ID_LDO2 failed!\n");
}
udelay(50);
return rc;
}
static int msm8930_ov5693_vreg_on(void)
{
int rc;
pr_info("[CAM] %s\n", __func__);
rc = ncp6924_enable_ldo(NCP6924_ID_LDO2, true);
if (rc < 0) {
pr_err("Enable NCP6924_ID_LDO2 failed!\n");
goto enable_ov5693_vcm_fail;
}
udelay(50);
rc = ncp6924_enable_ldo(NCP6924_ID_LDO1, true);
if (rc < 0) {
pr_err("Enable NCP6924_ID_LDO1 failed!\n");
goto enable_ov5693_analog_fail;
}
udelay(50);
rc = ncp6924_enable_ldo(NCP6924_ID_LDO3, true);
if (rc < 0) {
pr_err("Enable NCP6924_ID_LDO3 failed!\n");
goto enable_ov5693_io_fail;
}
udelay(50);
return rc;
enable_ov5693_io_fail:
rc = ncp6924_enable_ldo(NCP6924_ID_LDO1, false);
if (rc < 0) {
pr_err("Disable NCP6924_ID_LDO1 failed!\n");
}
enable_ov5693_analog_fail:
rc = ncp6924_enable_ldo(NCP6924_ID_LDO2, false);
if (rc < 0) {
pr_err("Disable NCP6924_ID_LDO2 failed!\n");
}
enable_ov5693_vcm_fail:
return rc;
}
static int mipi_dsi_panel_power(int on)
{
static struct regulator *reg_l2;
static struct regulator *reg_l10;
int rc;
PR_DISP_INFO("%s: power %s.\n", __func__, on ? "on" : "off");
if (!dsi_power_on) {
reg_l2 = regulator_get(&msm_mipi_dsi1_device.dev,
"dsi_vdda");
if (IS_ERR(reg_l2)) {
pr_err("could not get 8038_l2, rc = %ld\n",
PTR_ERR(reg_l2));
return -ENODEV;
}
rc = regulator_set_voltage(reg_l2, 1200000, 1200000);
if (rc) {
pr_err("set_voltage l2 failed, rc=%d\n", rc);
return -EINVAL;
}
reg_l10 = regulator_get(&msm_mipi_dsi1_device.dev,
"8038_l10");
if (IS_ERR(reg_l10)) {
pr_err("could not get 8038_l10, rc = %ld\n",
PTR_ERR(reg_l10));
return -ENODEV;
}
rc = regulator_set_voltage(reg_l10, 3000000, 3000000);
if (rc) {
pr_err("set_voltage l10 failed, rc=%d\n", rc);
return -EINVAL;
}
dsi_power_on = true;
}
if (on) {
rc = regulator_set_optimum_mode(reg_l2, 100000);
if (rc < 0) {
pr_err("set_optimum_mode l2 failed, rc=%d\n", rc);
return -EINVAL;
}
rc = regulator_set_optimum_mode(reg_l10, 100000);
if (rc < 0) {
pr_err("set_optimum_mode l10 failed, rc=%d\n", rc);
return -EINVAL;
}
if (panel_type == PANEL_ID_CANIS_LG_NOVATEK) {
rc = ncp6924_enable_ldo(NCP6924_ID_LDO4, true);
if (rc < 0) {
pr_err("Enable LCM 1.8V via NCP6924 failed!\n");
return -EINVAL;
}
gpio_set_value(MSM_V_LCMIO_1V8_EN, 1);
hr_msleep(1);
rc = regulator_enable(reg_l10);
if (rc) {
pr_err("enable l10 failed, rc=%d\n", rc);
return -ENODEV;
}
hr_msleep(30);
rc = regulator_enable(reg_l2);
if (rc) {
pr_err("enable l2 failed, rc=%d\n", rc);
return -ENODEV;
}
} else if (panel_type == PANEL_ID_CANIS_JDI_NOVATEK) {
rc = ncp6924_enable_ldo(NCP6924_ID_LDO4, true);
if (rc < 0) {
pr_err("Enable LCM 1.8V via NCP6924 failed!\n");
return -EINVAL;
}
gpio_set_value(MSM_V_LCMIO_1V8_EN, 1);
hr_msleep(2);
rc = regulator_enable(reg_l10);
if (rc) {
pr_err("enable l10 failed, rc=%d\n", rc);
return -ENODEV;
}
hr_msleep(2);
gpio_set_value(MSM_LCD_RSTz, 1);
hr_msleep(1);
gpio_set_value(MSM_LCD_RSTz, 0);
hr_msleep(1);
gpio_set_value(MSM_LCD_RSTz, 1);
hr_msleep(20);
rc = regulator_enable(reg_l2);
if (rc) {
pr_err("enable l2 failed, rc=%d\n", rc);
return -ENODEV;
}
}
} else {
if (panel_type == PANEL_ID_CANIS_LG_NOVATEK) {
gpio_set_value(MSM_LCD_RSTz, 0);
hr_msleep(130);
gpio_set_value(MSM_V_LCMIO_1V8_EN, 0);
rc = ncp6924_enable_ldo(NCP6924_ID_LDO4, false);
if (rc < 0) {
pr_err("Disable LCM 1.8V via NCP6924 failed!\n");
return -EINVAL;
}
usleep(100);
rc = regulator_disable(reg_l10);
if (rc) {
pr_err("disable reg_l10 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_set_optimum_mode(reg_l10, 100);
if (rc < 0) {
pr_err("set_optimum_mode l10 failed, rc=%d\n", rc);
return -EINVAL;
}
rc = regulator_disable(reg_l2);
if (rc) {
pr_err("disable reg_l2 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_set_optimum_mode(reg_l2, 100);
if (rc < 0) {
pr_err("set_optimum_mode l2 failed, rc=%d\n", rc);
return -EINVAL;
}
} else if (panel_type == PANEL_ID_CANIS_JDI_NOVATEK) {
gpio_set_value(MSM_LCD_RSTz, 0);
hr_msleep(5);
gpio_set_value(MSM_V_LCMIO_1V8_EN, 0);
rc = ncp6924_enable_ldo(NCP6924_ID_LDO4, false);
if (rc < 0) {
pr_err("Disable LCM 1.8V via NCP6924 failed!\n");
return -EINVAL;
}
usleep(2);
rc = regulator_disable(reg_l10);
if (rc) {
pr_err("disable reg_l10 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_set_optimum_mode(reg_l10, 100);
if (rc < 0) {
pr_err("set_optimum_mode l10 failed, rc=%d\n", rc);
return -EINVAL;
}
rc = regulator_disable(reg_l2);
if (rc) {
pr_err("disable reg_l2 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_set_optimum_mode(reg_l2, 100);
if (rc < 0) {
pr_err("set_optimum_mode l2 failed, rc=%d\n", rc);
return -EINVAL;
}
}
}
return 0;
}
static int msm8930_mt9v113_vreg_on(void)
{
int rc;
pr_info("[CAM] %s\n", __func__);
rc = ncp6924_enable_ldo(NCP6924_ID_LDO2, true);
if (rc < 0) {
pr_err("Enable NCP6924_ID_LDO2 failed!\n");
goto enable_mt9v113_vcm_fail;
}
udelay(50);
/* reset pin */
rc = gpio_request(CAM_PIN_GPIO_CAM2_RSTz, "mt9v113");
pr_info("[CAM] reset pin gpio_request, %d\n", CAM_PIN_GPIO_CAM2_RSTz);
if (rc < 0) {
pr_err("[CAM] GPIO(%d) request failed", CAM_PIN_GPIO_CAM2_RSTz);
goto enable_mt9v113_rst_fail;
}
gpio_direction_output(CAM_PIN_GPIO_CAM2_RSTz, 1);
gpio_free(CAM_PIN_GPIO_CAM2_RSTz);
mdelay(1);
rc = ncp6924_enable_dcdc(NCP6924_ID_DCDC2, true);
if (rc < 0) {
pr_err("Enable NCP6924_ID_DCDC2 failed!\n");
goto enable_mt9v113_digital_fail;
}
mdelay(1);
rc = ncp6924_enable_ldo(NCP6924_ID_LDO1, true);
if (rc < 0) {
pr_err("Enable NCP6924_ID_LDO1 failed!\n");
goto enable_mt9v113_analog_fail;
}
udelay(50);
rc = ncp6924_enable_ldo(NCP6924_ID_LDO3, true);
if (rc < 0) {
pr_err("Enable NCP6924_ID_LDO3 failed!\n");
goto enable_mt9v113_io_fail;
}
udelay(50);
rc = gpio_request(CAM_PIN_GPIO_CAM_VCM_PD, "CAM_VCM_PD");
pr_info("[CAM] vcm pd gpio_request, %d\n", CAM_PIN_GPIO_CAM_VCM_PD);
if (rc < 0 && rc != -EBUSY) {
pr_err("[CAM] GPIO(%d) request failed", CAM_PIN_GPIO_CAM_VCM_PD);
goto enable_mt9v113_vcm_pd_fail;
} else {
gpio_direction_output(CAM_PIN_GPIO_CAM_VCM_PD, 1);
gpio_free(CAM_PIN_GPIO_CAM_VCM_PD);
rc = 0;
}
return rc;
enable_mt9v113_vcm_pd_fail:
rc = ncp6924_enable_ldo(NCP6924_ID_LDO3, false);
if (rc < 0) {
pr_err("Disable NCP6924_ID_LDO3 failed!\n");
}
enable_mt9v113_io_fail:
rc = ncp6924_enable_ldo(NCP6924_ID_LDO1, false);
if (rc < 0) {
pr_err("Disable NCP6924_ID_LDO1 failed!\n");
}
enable_mt9v113_analog_fail:
rc = ncp6924_enable_dcdc(NCP6924_ID_DCDC2, false);
if (rc < 0) {
pr_err("Disable NCP6924_ID_DCDC2 failed!\n");
}
enable_mt9v113_digital_fail:
rc = gpio_request(CAM_PIN_GPIO_CAM2_RSTz, "mt9v113");
if (rc < 0)
pr_err("[CAM] GPIO(%d) request failed", CAM_PIN_GPIO_CAM2_RSTz);
else {
gpio_direction_output(CAM_PIN_GPIO_CAM2_RSTz, 0);
gpio_free(CAM_PIN_GPIO_CAM2_RSTz);
}
enable_mt9v113_rst_fail:
rc = ncp6924_enable_ldo(NCP6924_ID_LDO2, false);
if (rc < 0) {
pr_err("Disable NCP6924_ID_LDO2 failed!\n");
}
enable_mt9v113_vcm_fail:
return rc;
}