static void lcd_gpio_cfg(int onoff)
{
if (onoff) {
lcd_gpio_setup(EXYNOS4_GPF0(0), 8, S3C_GPIO_SFN(2), S5P_GPIO_DRVSTR_LV2);
lcd_gpio_setup(EXYNOS4_GPF1(0), 8, S3C_GPIO_SFN(2), S5P_GPIO_DRVSTR_LV2);
lcd_gpio_setup(EXYNOS4_GPF2(0), 8, S3C_GPIO_SFN(2), S5P_GPIO_DRVSTR_LV2);
lcd_gpio_setup(EXYNOS4_GPF3(0), 4, S3C_GPIO_SFN(2), S5P_GPIO_DRVSTR_LV2);
}
else {
s3c_gpio_cfgall_range(EXYNOS4_GPF0(0), 8, S3C_GPIO_INPUT, S3C_GPIO_PULL_DOWN);
s3c_gpio_cfgall_range(EXYNOS4_GPF1(0), 8, S3C_GPIO_INPUT, S3C_GPIO_PULL_DOWN);
s3c_gpio_cfgall_range(EXYNOS4_GPF2(0), 8, S3C_GPIO_INPUT, S3C_GPIO_PULL_DOWN);
s3c_gpio_cfgall_range(EXYNOS4_GPF3(0), 4, S3C_GPIO_INPUT, S3C_GPIO_PULL_DOWN);
}
}
static int lcd_reset(int on)
{
int rc;
if (!gpio_lcd_reset) {
rc = lcd_gpio_setup(1);
if (rc) {
pr_err("gpio setup failed , rc=%d\n", rc);
return -EINVAL;
}
}
if (on) {
gpio_set_value_cansleep(gpio_lcd_reset, 0);
gpio_set_value_cansleep(gpio_lcd_reset, 1);
} else {
gpio_set_value_cansleep(gpio_lcd_reset, 1);
gpio_set_value_cansleep(gpio_lcd_reset, 0);
}
msleep(LCD_RESET_WAIT_MS);
return 0;
}
static int s6d6aa0_vreg_power(int on)
{
int rc = 0;
if (!vreg_lcd_vddio) {
vreg_lcd_vddio = regulator_get(&msm_mipi_dsi1_device.dev,
"dsi_vddio");
if (IS_ERR(vreg_lcd_vddio)) {
pr_err("%s: Unable to get 8921_l29\n", __func__);
vreg_lcd_vddio = NULL;
return -ENODEV;
}
}
if (on) {
rc = regulator_set_voltage(vreg_lcd_vddio, 1800000, 1800000);
if (rc) {
pr_err("%s:%d unable to set L29 voltage to 1.8V\n",
__func__, rc);
goto out_put;
}
rc = regulator_enable(vreg_lcd_vddio);
if (rc) {
pr_err("%s: Enable regulator 8921_l29 failed\n",
__func__);
goto out_put;
}
rc = lcd_gpio_setup(on);
if (rc) {
pr_err("gpio setup failed , rc=%d\n", rc);
goto out_desable;
}
gpio_set_value(LCD_PWR_EN, 1);
msleep(LCD_POWER_WAIT_MS);
lcd_reset(on);
} else {
lcd_reset(on);
gpio_set_value(LCD_PWR_EN, 0);
rc = lcd_gpio_setup(on);
if (rc) {
pr_err("gpio setup failed , rc=%d\n", rc);
return -EINVAL;
}
rc = regulator_disable(vreg_lcd_vddio);
if (rc)
pr_warning("%s: '%s' regulator disable failed, rc=%d\n",
__func__, "8921_l29", rc);
msleep(LCD_POWER_WAIT_MS);
}
return 0;
out_desable:
regulator_disable(vreg_lcd_vddio);
out_put:
regulator_put(vreg_lcd_vddio);
vreg_lcd_vddio = NULL;
return rc;
}
static int r63306_vreg_power(int on)
{
int rc = 0;
if (!vreg_lcd_vci) {
vreg_lcd_vci = regulator_get(&msm_mipi_dsi1_device.dev,
"dsi_vci");
if (IS_ERR(vreg_lcd_vci)) {
pr_err("could not get dsi_vci, rc = %ld\n",
PTR_ERR(vreg_lcd_vci));
return -ENODEV;
}
}
if (!vreg_lcd_vddio) {
vreg_lcd_vddio = regulator_get(&msm_mipi_dsi1_device.dev,
"dsi_vddio");
if (IS_ERR(vreg_lcd_vddio)) {
pr_err("%s: Unable to get dsi_vddio\n", __func__);
vreg_lcd_vddio = NULL;
goto out_put;
}
}
if (on) {
rc = regulator_set_voltage(vreg_lcd_vci, 2850000, 2850000);
if (rc) {
pr_err("%s:%d unable to set dsi_vci voltage to 2.8V\n",
__func__, rc);
goto out_put_all;
}
rc = regulator_enable(vreg_lcd_vci);
if (rc) {
pr_err("%s: Enable regulator dsi_vci failed\n",
__func__);
goto out_put_all;
}
rc = regulator_set_voltage(vreg_lcd_vddio, 1800000, 1800000);
if (rc) {
pr_err("%s:%d unable to set dsi_vddio voltage to 1.8V\n",
__func__, rc);
goto out_disable;
}
rc = regulator_enable(vreg_lcd_vddio);
if (rc) {
pr_err("%s: Enable regulator dsi_vddio failed\n",
__func__);
goto out_disable;
}
rc = lcd_gpio_setup(on);
if (rc) {
pr_err("gpio setup failed , rc=%d\n", rc);
goto out_disable_all;
}
msleep(LCD_VREG_ON_WAIT_MS);
lcd_reset(on);
} else {
msleep(LCD_RESET_WAIT_MS);
lcd_reset(on);
rc = lcd_gpio_setup(on);
if (rc) {
pr_err("gpio setup failed , rc=%d\n", rc);
return -EINVAL;
}
rc = regulator_disable(vreg_lcd_vddio);
if (rc)
pr_warning("%s: '%s' regulator disable failed, rc=%d\n",
__func__, "dsi_vddio", rc);
rc = regulator_disable(vreg_lcd_vci);
if (rc)
pr_warning("%s: '%s' regulator disable failed, rc=%d\n",
__func__, "dsi_vci", rc);
}
return 0;
out_disable_all:
regulator_disable(vreg_lcd_vddio);
out_disable:
regulator_disable(vreg_lcd_vci);
out_put_all:
regulator_put(vreg_lcd_vddio);
vreg_lcd_vddio = NULL;
out_put:
regulator_put(vreg_lcd_vci);
vreg_lcd_vci = NULL;
return rc;
}
static int sony_viskan_is_dric_det(void)
{
int rc = 0;
static int val = -ENODEV;
if (val != -ENODEV)
return val;
if (!vreg_lcd_vci) {
vreg_lcd_vci = regulator_get(NULL, "8921_l8");
if (IS_ERR(vreg_lcd_vci)) {
pr_err("%s: Unable to get 8921_l8\n", __func__);
vreg_lcd_vci = NULL;
return -ENODEV;
}
}
if (!vreg_lcd_vddio) {
vreg_lcd_vddio = regulator_get(NULL, "8921_l29");
if (IS_ERR(vreg_lcd_vddio)) {
pr_err("%s: Unable to get 8921_l29\n", __func__);
vreg_lcd_vddio = NULL;
goto out_put_l8;
}
}
rc = regulator_set_voltage(vreg_lcd_vci, 2850000, 2850000);
if (rc) {
pr_err("%s:%d unable to set L8 voltage to 2.85V\n",
__func__, rc);
goto out_put_l29;
}
rc = regulator_set_voltage(vreg_lcd_vddio, 1800000, 1800000);
if (rc) {
pr_err("%s:%d unable to set L29 voltage to 1.8V\n",
__func__, rc);
goto out_put_l29;
}
rc = regulator_enable(vreg_lcd_vci);
if (rc) {
pr_err("%s: Enable regulator 8921_l8 failed\n",
__func__);
goto out_put_l29;
}
rc = regulator_enable(vreg_lcd_vddio);
if (rc) {
pr_err("%s: Enable regulator 8921_l29 failed\n",
__func__);
goto out_put_l29;
}
lcd_gpio_setup(true);
msleep(LCD_VENDOR_DET_WAIT_MS);
/* LCD_VENDOR_DET */
rc = gpio_request(LCD_VENDOR_DET, "lcd vendor detect");
if (rc) {
pr_err("%s: GPIO %d: request failed. rc=%d\n",
__func__, LCD_VENDOR_DET, rc);
goto out_put_l29;
}
rc = gpio_direction_input(LCD_VENDOR_DET);
if (rc) {
pr_err("%s: GPIO %d: direction in failed. rc=%d\n",
__func__, LCD_VENDOR_DET, rc);
goto out_free;
}
val = gpio_get_value(LCD_VENDOR_DET);
pr_info("%s: GPIO:%d\n", __func__, val);
rc = regulator_disable(vreg_lcd_vddio);
if (rc)
pr_err("%s: Enable regulator 8921_l29 failed\n",
__func__);
rc = regulator_disable(vreg_lcd_vci);
if (rc)
pr_err("%s: Enable regulator 8921_l8 failed\n",
__func__);
lcd_gpio_setup(false);
out_free:
gpio_free(LCD_VENDOR_DET);
out_put_l29:
regulator_put(vreg_lcd_vddio);
vreg_lcd_vddio = NULL;
out_put_l8:
regulator_put(vreg_lcd_vci);
vreg_lcd_vci = NULL;
msleep(LCD_VENDOR_DISABLE_VREG_WAIT_MS);
return val;
}