static void mipi_dsi_panel_pwm_cfg(void)
{
int rc;
static int mipi_dsi_panel_gpio_configured;
static struct pm_gpio pwm_enable = {
.direction = PM_GPIO_DIR_OUT,
.output_buffer = PM_GPIO_OUT_BUF_CMOS,
.output_value = 1,
.pull = PM_GPIO_PULL_NO,
.vin_sel = PM_GPIO_VIN_VPH,
.out_strength = PM_GPIO_STRENGTH_HIGH,
.function = PM_GPIO_FUNC_NORMAL,
.inv_int_pol = 0,
.disable_pin = 0,
};
static struct pm_gpio pwm_mode = {
.direction = PM_GPIO_DIR_OUT,
.output_buffer = PM_GPIO_OUT_BUF_CMOS,
.output_value = 0,
.pull = PM_GPIO_PULL_NO,
.vin_sel = PM_GPIO_VIN_S4,
.out_strength = PM_GPIO_STRENGTH_HIGH,
.function = PM_GPIO_FUNC_2,
.inv_int_pol = 0,
.disable_pin = 0,
};
if (mipi_dsi_panel_gpio_configured == 0) {
/* pm8xxx: gpio-21, Backlight Enable */
rc = pm8xxx_gpio_config(PM8921_GPIO_PM_TO_SYS(21),
&pwm_enable);
if (rc != 0)
pr_err("%s: pwm_enabled failed\n", __func__);
/* pm8xxx: gpio-24, Bl: Off, PWM mode */
rc = pm8xxx_gpio_config(PM8921_GPIO_PM_TO_SYS(24),
&pwm_mode);
if (rc != 0)
pr_err("%s: pwm_mode failed\n", __func__);
mipi_dsi_panel_gpio_configured++;
}
}
static bool dsi_power_on;
/**
* LiQUID panel on/off
*
* @param on
*
* @return int
*/
static int mipi_dsi_liquid_panel_power(int on)
{
static struct regulator *reg_l2, *reg_ext_3p3v;
static int gpio21, gpio24, gpio43;
int rc;
mipi_dsi_panel_pwm_cfg();
pr_debug("%s: on=%d\n", __func__, on);
gpio21 = PM8921_GPIO_PM_TO_SYS(21); /* disp power enable_n */
gpio43 = PM8921_GPIO_PM_TO_SYS(43); /* Displays Enable (rst_n)*/
gpio24 = PM8921_GPIO_PM_TO_SYS(24); /* Backlight PWM */
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 8921_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_ext_3p3v = regulator_get(&msm_mipi_dsi1_device.dev,
"vdd_lvds_3p3v");
if (IS_ERR(reg_ext_3p3v)) {
pr_err("could not get reg_ext_3p3v, rc = %ld\n",
PTR_ERR(reg_ext_3p3v));
return -ENODEV;
}
rc = gpio_request(gpio21, "disp_pwr_en_n");
if (rc) {
pr_err("request gpio 21 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = gpio_request(gpio43, "disp_rst_n");
if (rc) {
pr_err("request gpio 43 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = gpio_request(gpio24, "disp_backlight_pwm");
if (rc) {
pr_err("request gpio 24 failed, rc=%d\n", rc);
return -ENODEV;
}
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_enable(reg_l2);
if (rc) {
pr_err("enable l2 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_enable(reg_ext_3p3v);
if (rc) {
pr_err("enable reg_ext_3p3v failed, rc=%d\n", rc);
return -ENODEV;
}
/* set reset pin before power enable */
gpio_set_value_cansleep(gpio43, 0); /* disp disable (resx=0) */
gpio_set_value_cansleep(gpio21, 0); /* disp power enable_n */
msleep(20);
gpio_set_value_cansleep(gpio43, 1); /* disp enable */
msleep(20);
gpio_set_value_cansleep(gpio43, 0); /* disp enable */
msleep(20);
gpio_set_value_cansleep(gpio43, 1); /* disp enable */
msleep(20);
} else {
gpio_set_value_cansleep(gpio43, 0);
gpio_set_value_cansleep(gpio21, 1);
rc = regulator_disable(reg_l2);
if (rc) {
pr_err("disable reg_l2 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_disable(reg_ext_3p3v);
if (rc) {
pr_err("disable reg_ext_3p3v 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 mipi_dsi_cdp_panel_power(int on)
{
static struct regulator *reg_l8, *reg_l23, *reg_l2;
static int gpio43;
int rc;
pr_debug("%s: state : %d\n", __func__, on);
if (!dsi_power_on) {
reg_l8 = regulator_get(&msm_mipi_dsi1_device.dev,
"dsi_vdc");
if (IS_ERR(reg_l8)) {
pr_err("could not get 8921_l8, rc = %ld\n",
PTR_ERR(reg_l8));
return -ENODEV;
}
reg_l23 = regulator_get(&msm_mipi_dsi1_device.dev,
"dsi_vddio");
if (IS_ERR(reg_l23)) {
pr_err("could not get 8921_l23, rc = %ld\n",
PTR_ERR(reg_l23));
return -ENODEV;
}
reg_l2 = regulator_get(&msm_mipi_dsi1_device.dev,
"dsi_vdda");
if (IS_ERR(reg_l2)) {
pr_err("could not get 8921_l2, rc = %ld\n",
PTR_ERR(reg_l2));
return -ENODEV;
}
rc = regulator_set_voltage(reg_l8, 2800000, 3000000);
if (rc) {
pr_err("set_voltage l8 failed, rc=%d\n", rc);
return -EINVAL;
}
rc = regulator_set_voltage(reg_l23, 1800000, 1800000);
if (rc) {
pr_err("set_voltage l23 failed, rc=%d\n", rc);
return -EINVAL;
}
rc = regulator_set_voltage(reg_l2, 1200000, 1200000);
if (rc) {
pr_err("set_voltage l2 failed, rc=%d\n", rc);
return -EINVAL;
}
gpio43 = PM8921_GPIO_PM_TO_SYS(43);
rc = gpio_request(gpio43, "disp_rst_n");
if (rc) {
pr_err("request gpio 43 failed, rc=%d\n", rc);
return -ENODEV;
}
dsi_power_on = true;
}
if (on) {
rc = regulator_set_optimum_mode(reg_l8, 100000);
if (rc < 0) {
pr_err("set_optimum_mode l8 failed, rc=%d\n", rc);
return -EINVAL;
}
rc = regulator_set_optimum_mode(reg_l23, 100000);
if (rc < 0) {
pr_err("set_optimum_mode l23 failed, rc=%d\n", rc);
return -EINVAL;
}
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_enable(reg_l8);
if (rc) {
pr_err("enable l8 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_enable(reg_l23);
if (rc) {
pr_err("enable l8 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_enable(reg_l2);
if (rc) {
pr_err("enable l2 failed, rc=%d\n", rc);
return -ENODEV;
}
gpio_set_value_cansleep(gpio43, 1);
} else {
rc = regulator_disable(reg_l2);
if (rc) {
pr_err("disable reg_l2 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_disable(reg_l8);
if (rc) {
pr_err("disable reg_l8 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_disable(reg_l23);
if (rc) {
pr_err("disable reg_l23 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_set_optimum_mode(reg_l8, 100);
if (rc < 0) {
pr_err("set_optimum_mode l8 failed, rc=%d\n", rc);
return -EINVAL;
}
rc = regulator_set_optimum_mode(reg_l23, 100);
if (rc < 0) {
pr_err("set_optimum_mode l23 failed, rc=%d\n", rc);
return -EINVAL;
}
rc = regulator_set_optimum_mode(reg_l2, 100);
if (rc < 0) {
pr_err("set_optimum_mode l2 failed, rc=%d\n", rc);
return -EINVAL;
}
gpio_set_value_cansleep(gpio43, 0);
}
return 0;
}
static char mipi_dsi_splash_is_enabled(void);
static int mipi_dsi_panel_power(int on)
{
int ret;
pr_debug("%s: on=%d\n", __func__, on);
if (machine_is_msm8960_liquid())
ret = mipi_dsi_liquid_panel_power(on);
else
ret = mipi_dsi_cdp_panel_power(on);
return ret;
}
static struct mipi_dsi_platform_data mipi_dsi_pdata = {
.vsync_gpio = MDP_VSYNC_GPIO,
.dsi_power_save = mipi_dsi_panel_power,
.splash_is_enabled = mipi_dsi_splash_is_enabled,
};
#ifdef CONFIG_MSM_BUS_SCALING
static struct msm_bus_vectors mdp_init_vectors[] = {
{
.src = MSM_BUS_MASTER_MDP_PORT0,
.dst = MSM_BUS_SLAVE_EBI_CH0,
.ab = 0,
.ib = 0,
},
};
static void mipi_dsi_panel_pwm_cfg(void)
{
int rc;
static int mipi_dsi_panel_gpio_configured;
static struct pm_gpio pwm_enable = {
.direction = PM_GPIO_DIR_OUT,
.output_buffer = PM_GPIO_OUT_BUF_CMOS,
.output_value = 1,
.pull = PM_GPIO_PULL_NO,
.vin_sel = PM_GPIO_VIN_VPH,
.out_strength = PM_GPIO_STRENGTH_HIGH,
.function = PM_GPIO_FUNC_NORMAL,
.inv_int_pol = 0,
.disable_pin = 0,
};
static struct pm_gpio pwm_mode = {
.direction = PM_GPIO_DIR_OUT,
.output_buffer = PM_GPIO_OUT_BUF_CMOS,
.output_value = 0,
.pull = PM_GPIO_PULL_NO,
.vin_sel = PM_GPIO_VIN_S4,
.out_strength = PM_GPIO_STRENGTH_HIGH,
.function = PM_GPIO_FUNC_2,
.inv_int_pol = 0,
.disable_pin = 0,
};
if (mipi_dsi_panel_gpio_configured == 0) {
/* pm8xxx: gpio-21, Backlight Enable */
rc = pm8xxx_gpio_config(PM8921_GPIO_PM_TO_SYS(21),
&pwm_enable);
if (rc != 0)
pr_err("%s: pwm_enabled failed\n", __func__);
/* pm8xxx: gpio-24, Bl: Off, PWM mode */
rc = pm8xxx_gpio_config(PM8921_GPIO_PM_TO_SYS(24),
&pwm_mode);
if (rc != 0)
pr_err("%s: pwm_mode failed\n", __func__);
mipi_dsi_panel_gpio_configured++;
}
}
/**
* LiQUID panel on/off
*
* @param on
*
* @return int
*/
static int mipi_dsi_liquid_panel_power(int on)
{
static struct regulator *reg_l2, *reg_ext_3p3v;
static int gpio21, gpio24, gpio43;
int rc;
mipi_dsi_panel_pwm_cfg();
pr_debug("%s: on=%d\n", __func__, on);
gpio21 = PM8921_GPIO_PM_TO_SYS(21); /* disp power enable_n */
gpio43 = PM8921_GPIO_PM_TO_SYS(43); /* Displays Enable (rst_n)*/
gpio24 = PM8921_GPIO_PM_TO_SYS(24); /* Backlight PWM */
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 8921_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_ext_3p3v = regulator_get(&msm_mipi_dsi1_device.dev,
"vdd_lvds_3p3v");
if (IS_ERR(reg_ext_3p3v)) {
pr_err("could not get reg_ext_3p3v, rc = %ld\n",
PTR_ERR(reg_ext_3p3v));
return -ENODEV;
}
rc = gpio_request(gpio21, "disp_pwr_en_n");
if (rc) {
pr_err("request gpio 21 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = gpio_request(gpio43, "disp_rst_n");
if (rc) {
pr_err("request gpio 43 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = gpio_request(gpio24, "disp_backlight_pwm");
if (rc) {
pr_err("request gpio 24 failed, rc=%d\n", rc);
return -ENODEV;
}
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_enable(reg_l2);
if (rc) {
pr_err("enable l2 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_enable(reg_ext_3p3v);
if (rc) {
pr_err("enable reg_ext_3p3v failed, rc=%d\n", rc);
return -ENODEV;
}
/* set reset pin before power enable */
gpio_set_value_cansleep(gpio43, 0); /* disp disable (resx=0) */
gpio_set_value_cansleep(gpio21, 0); /* disp power enable_n */
msleep(20);
gpio_set_value_cansleep(gpio43, 1); /* disp enable */
msleep(20);
gpio_set_value_cansleep(gpio43, 0); /* disp enable */
msleep(20);
gpio_set_value_cansleep(gpio43, 1); /* disp enable */
msleep(20);
} else {
gpio_set_value_cansleep(gpio43, 0);
gpio_set_value_cansleep(gpio21, 1);
rc = regulator_disable(reg_l2);
if (rc) {
pr_err("disable reg_l2 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_disable(reg_ext_3p3v);
if (rc) {
pr_err("disable reg_ext_3p3v 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 mipi_dsi_cdp_panel_power(int on)
{
static struct regulator *reg_l8, *reg_l23, *reg_l2;
static int gpio43;
int rc;
pr_debug("%s: state : %d\n", __func__, on);
if (!dsi_power_on) {
reg_l8 = regulator_get(&msm_mipi_dsi1_device.dev,
"dsi_vdc");
if (IS_ERR(reg_l8)) {
pr_err("could not get 8921_l8, rc = %ld\n",
PTR_ERR(reg_l8));
return -ENODEV;
}
reg_l23 = regulator_get(&msm_mipi_dsi1_device.dev,
"dsi_vddio");
if (IS_ERR(reg_l23)) {
pr_err("could not get 8921_l23, rc = %ld\n",
PTR_ERR(reg_l23));
return -ENODEV;
}
reg_l2 = regulator_get(&msm_mipi_dsi1_device.dev,
"dsi_vdda");
if (IS_ERR(reg_l2)) {
pr_err("could not get 8921_l2, rc = %ld\n",
PTR_ERR(reg_l2));
return -ENODEV;
}
rc = regulator_set_voltage(reg_l8, 2800000, 3000000);
if (rc) {
pr_err("set_voltage l8 failed, rc=%d\n", rc);
return -EINVAL;
}
rc = regulator_set_voltage(reg_l23, 1800000, 1800000);
if (rc) {
pr_err("set_voltage l23 failed, rc=%d\n", rc);
return -EINVAL;
}
rc = regulator_set_voltage(reg_l2, 1200000, 1200000);
if (rc) {
pr_err("set_voltage l2 failed, rc=%d\n", rc);
return -EINVAL;
}
gpio43 = PM8921_GPIO_PM_TO_SYS(43);
rc = gpio_request(gpio43, "disp_rst_n");
if (rc) {
pr_err("request gpio 43 failed, rc=%d\n", rc);
return -ENODEV;
}
dsi_power_on = true;
}
if (on) {
rc = regulator_set_optimum_mode(reg_l8, 100000);
if (rc < 0) {
pr_err("set_optimum_mode l8 failed, rc=%d\n", rc);
return -EINVAL;
}
rc = regulator_set_optimum_mode(reg_l23, 100000);
if (rc < 0) {
pr_err("set_optimum_mode l23 failed, rc=%d\n", rc);
return -EINVAL;
}
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_enable(reg_l8);
if (rc) {
pr_err("enable l8 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_enable(reg_l23);
if (rc) {
pr_err("enable l8 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_enable(reg_l2);
if (rc) {
pr_err("enable l2 failed, rc=%d\n", rc);
return -ENODEV;
}
gpio_set_value_cansleep(gpio43, 1);
} else {
rc = regulator_disable(reg_l2);
if (rc) {
pr_err("disable reg_l2 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_disable(reg_l8);
if (rc) {
pr_err("disable reg_l8 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_disable(reg_l23);
if (rc) {
pr_err("disable reg_l23 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_set_optimum_mode(reg_l8, 100);
if (rc < 0) {
pr_err("set_optimum_mode l8 failed, rc=%d\n", rc);
return -EINVAL;
}
rc = regulator_set_optimum_mode(reg_l23, 100);
if (rc < 0) {
pr_err("set_optimum_mode l23 failed, rc=%d\n", rc);
return -EINVAL;
}
rc = regulator_set_optimum_mode(reg_l2, 100);
if (rc < 0) {
pr_err("set_optimum_mode l2 failed, rc=%d\n", rc);
return -EINVAL;
}
gpio_set_value_cansleep(gpio43, 0);
}
return 0;
}
static int mipi_dsi_panel_power(int on)
{
int ret;
pr_debug("%s: on=%d\n", __func__, on);
if (machine_is_msm8960_liquid())
ret = mipi_dsi_liquid_panel_power(on);
else
ret = mipi_dsi_cdp_panel_power(on);
return ret;
}
#elif defined(CONFIG_FB_MSM_MIPI_LGIT_LH470WX1_VIDEO_HD_PT)
int mipi_dsi_panel_power(int on)
{
static struct regulator *reg_l8, *reg_l2, *reg_lvs6;
static int gpio20;
int rc;
struct pm_gpio gpio20_param = {
.direction = PM_GPIO_DIR_OUT,
.output_buffer = PM_GPIO_OUT_BUF_CMOS,
.output_value = 1,
.pull = PM_GPIO_PULL_NO,
.vin_sel = 2,
.out_strength = PM_GPIO_STRENGTH_HIGH,
.function = PM_GPIO_FUNC_PAIRED,
.inv_int_pol = 0,
.disable_pin = 0,
};
pr_debug("%s: state : %d\n", __func__, on);
if (!dsi_power_on) {
reg_l8 = regulator_get(&msm_mipi_dsi1_device.dev,
"dsi_vdc");
if (IS_ERR(reg_l8)) {
pr_err("could not get 8921_l8, rc = %ld\n",
PTR_ERR(reg_l8));
return -ENODEV;
}
reg_lvs6 = regulator_get(&msm_mipi_dsi1_device.dev,
"8921_lvs6");
if (IS_ERR(reg_lvs6)) {
pr_err("could not get 8921_lvs6, rc = %ld\n",
PTR_ERR(reg_lvs6));
return -ENODEV;
}
reg_l2 = regulator_get(&msm_mipi_dsi1_device.dev,
"dsi_vdda");
if (IS_ERR(reg_l2)) {
pr_err("could not get 8921_l2, rc = %ld\n",
PTR_ERR(reg_l2));
return -ENODEV;
}
rc = regulator_set_voltage(reg_l8, 3000000, 3000000);
if (rc) {
pr_err("set_voltage l8 failed, rc=%d\n", rc);
return -EINVAL;
}
rc = regulator_set_voltage(reg_l2, 1200000, 1200000);
if (rc) {
pr_err("set_voltage l2 failed, rc=%d\n", rc);
return -EINVAL;
}
gpio20 = PM8921_GPIO_PM_TO_SYS(20);
rc = gpio_request(gpio20, "disp_rst_n");
if (rc) {
pr_err("request gpio 20 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = pm8xxx_gpio_config(gpio20, &gpio20_param);
if (rc) {
pr_err("gpio_config 20 failed (4), rc=%d\n", rc);
return -EINVAL;
}
dsi_power_on = true;
}
if (on) {
rc = regulator_set_optimum_mode(reg_l8, 100000);
if (rc < 0) {
pr_err("set_optimum_mode l8 failed, rc=%d\n", rc);
return -EINVAL;
}
rc = regulator_set_optimum_mode(reg_lvs6, 100000);
if (rc < 0) {
pr_err("set_optimum_mode lvs6 failed, rc=%d\n", rc);
return -EINVAL;
}
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_enable(reg_lvs6);
if (rc) {
pr_err("enable lvs6 failed, rc=%d\n", rc);
return -ENODEV;
}
udelay(100);
rc = regulator_enable(reg_l8);
if (rc) {
pr_err("enable l8 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_enable(reg_l2);
if (rc) {
pr_err("enable l2 failed, rc=%d\n", rc);
return -ENODEV;
}
mdelay(5);
} else {
gpio_set_value_cansleep(gpio20, 0);
rc = regulator_disable(reg_l8);
if (rc) {
pr_err("disable reg_l8 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_disable(reg_lvs6);
if (rc) {
pr_err("disable reg_lvs6 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_disable(reg_l2);
if (rc) {
pr_err("enable l2 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_set_optimum_mode(reg_l8, 100);
if (rc < 0) {
pr_err("set_optimum_mode l8 failed, rc=%d\n", rc);
return -EINVAL;
}
rc = regulator_set_optimum_mode(reg_lvs6, 100);
if (rc < 0) {
pr_err("set_optimum_mode lvs6 failed, rc=%d\n", rc);
return -EINVAL;
}
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;
}
#elif defined(CONFIG_FB_MSM_MIPI_LGIT_VIDEO_HD_PT)
static int mipi_dsi_panel_power(int on)
{
static struct regulator *reg_l8, *reg_l2, *reg_lvs6;
static int gpio43;
int rc;
struct pm_gpio gpio43_param = {
.direction = PM_GPIO_DIR_OUT,
.output_buffer = PM_GPIO_OUT_BUF_CMOS,
.output_value = 0,
.pull = PM_GPIO_PULL_NO,
.vin_sel = 2,
.out_strength = PM_GPIO_STRENGTH_HIGH,
.function = PM_GPIO_FUNC_PAIRED,
.inv_int_pol = 0,
.disable_pin = 0,
};
pr_debug("%s: state : %d\n", __func__, on);
if (!dsi_power_on) {
reg_l8 = regulator_get(&msm_mipi_dsi1_device.dev,
"8921_l8");
if (IS_ERR(reg_l8)) {
pr_err("could not get 8921_l8, rc = %ld\n",
PTR_ERR(reg_l8));
return -ENODEV;
}
reg_lvs6 = regulator_get(&msm_mipi_dsi1_device.dev,
"8921_lvs6");
if (IS_ERR(reg_lvs6)) {
pr_err("could not get 8921_lvs6, rc = %ld\n",
PTR_ERR(reg_lvs6));
return -ENODEV;
}
reg_l2 = regulator_get(&msm_mipi_dsi1_device.dev,
"dsi_vdda");
if (IS_ERR(reg_l2)) {
pr_err("could not get 8921_l2, rc = %ld\n",
PTR_ERR(reg_l2));
return -ENODEV;
}
rc = regulator_set_voltage(reg_l8, 3000000, 3000000);
if (rc) {
pr_err("set_voltage l8 failed, rc=%d\n", rc);
return -EINVAL;
}
rc = regulator_set_voltage(reg_l2, 1200000, 1200000);
if (rc) {
pr_err("set_voltage l2 failed, rc=%d\n", rc);
return -EINVAL;
}
gpio43 = PM8921_GPIO_PM_TO_SYS(43);
rc = gpio_request(gpio43, "disp_rst_n");
if (rc) {
pr_err("request gpio 43 failed, rc=%d\n", rc);
return -ENODEV;
}
dsi_power_on = true;
}
if (on) {
//gpio_set_value_cansleep(gpio43, 0);
rc = regulator_set_optimum_mode(reg_l8, 100000);
if (rc < 0) {
pr_err("set_optimum_mode l8 failed, rc=%d\n", rc);
return -EINVAL;
}
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_enable(reg_l8); // dsi_vci
if (rc) { pr_err("enable l8 failed, rc=%d\n", rc);
return -ENODEV;
}
udelay(100); // 100us
rc = regulator_enable(reg_lvs6);
if (rc) {
pr_err("enable lvs6 failed, rc=%d\n", rc);
return -ENODEV;
}
udelay(100);
rc = regulator_enable(reg_l2);
if (rc) {
pr_err("enable l2 failed, rc=%d\n", rc);
return -ENODEV;
}
printk(KERN_INFO " %s : reset start.", __func__);
// LCD RESET HIGH
mdelay(2);
gpio43_param.pull = PM_GPIO_PULL_NO;
rc = pm8xxx_gpio_config(gpio43, &gpio43_param);
if (rc) {
pr_err("gpio_config 43 failed (1), rc=%d\n", rc);
return -EINVAL;
}
gpio43_param.pull = PM_GPIO_PULL_UP_30;
rc = pm8xxx_gpio_config(gpio43, &gpio43_param);
if (rc) {
pr_err("gpio_config 43 failed (2), rc=%d\n", rc);
return -EINVAL;
}
gpio43_param.pull = PM_GPIO_PULL_NO;
rc = pm8xxx_gpio_config(gpio43, &gpio43_param);
if (rc) {
pr_err("gpio_config 43 failed (3), rc=%d\n", rc);
return -EINVAL;
}
gpio43_param.pull = PM_GPIO_PULL_UP_30;
rc = pm8xxx_gpio_config(gpio43, &gpio43_param);
if (rc) {
pr_err("gpio_config 43 failed (4), rc=%d\n", rc);
return -EINVAL;
}
gpio_set_value_cansleep(gpio43, 1);
mdelay(11);
} else {
gpio_set_value_cansleep(gpio43, 0);
udelay(100);
rc = regulator_disable(reg_lvs6);
if (rc) {
pr_err("disable reg_lvs6 failed, rc=%d\n", rc);
return -ENODEV;
}
udelay(100);
rc = regulator_disable(reg_l8);
if (rc) {
pr_err("disable reg_l8 failed, rc=%d\n", rc);
return -ENODEV;
}
udelay(100);
rc = regulator_disable(reg_l2);
if (rc) {
pr_err("enable l2 failed, rc=%d\n", rc);
return -ENODEV;
}
rc = regulator_set_optimum_mode(reg_l8, 100);
if (rc < 0) {
pr_err("set_optimum_mode l8 failed, rc=%d\n", rc);
return -EINVAL;
}
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;
}
#else
static int mipi_dsi_panel_power(int on)
{
int ret;
pr_debug("%s: on=%d\n", __func__, on);
if (machine_is_msm8960_liquid())
ret = mipi_dsi_liquid_panel_power(on);
else
ret = mipi_dsi_cdp_panel_power(on);
return ret;
}
#endif
static struct mipi_dsi_platform_data mipi_dsi_pdata = {
.vsync_gpio = MDP_VSYNC_GPIO,
.dsi_power_save = mipi_dsi_panel_power,
.splash_is_enabled = mipi_dsi_splash_is_enabled,
};
#ifdef CONFIG_LGE_LCD_TUNING
static int tuning_read_porch(unsigned long tmp)
{
int size = ARRAY_SIZE(porch_value)*4;
printk(KERN_INFO "read_porch_value\n");
if (copy_to_user((uint32_t *)tmp, porch_value,
size)) {
printk(KERN_ERR "read_file : error of copy_to_user_buff\n");
return -EFAULT;
}
return 0;
}
static int tuning_write_porch(unsigned long tmp)
{
u32 *buf;
int size = ARRAY_SIZE(porch_value)*4;
printk(KERN_INFO "write porch file\n");
buf = kmalloc(size, GFP_KERNEL);
if (copy_from_user(buf, (u32 *)tmp, size)) {
printk(KERN_ERR "write_file : error of copy_from_user\n");
return -EFAULT;
}
memcpy(porch_value, buf, size);
kfree(buf);
return 0;
}
