static void mipi_d2l_set_backlight(struct msm_fb_data_type *mfd)
{
int level = mfd->bl_level;
pr_debug("%s.lvl=%d.\n", __func__, level);
mipi_d2l_set_backlight_level(bl_pwm, level);
bl_level = level;
}
static void blenable_work_func(struct work_struct *work)
{
int ret = 0;
/* Set backlight via PWM */
if (bl_pwm) {
ret = mipi_d2l_set_backlight_level(bl_pwm, bl_level);
if (ret)
pr_err("%s.mipi_d2l_set_backlight_level.ret=%d",
__func__, ret);
}
}
/**
* LCD ON.
*
* Set LCD On via MIPI interface or I2C-Slave interface.
* Set Backlight on.
*
* @param pdev
*
* @return int
*/
static int mipi_d2l_lcd_on(struct platform_device *pdev)
{
int ret = 0;
u32 chip_id;
struct msm_fb_data_type *mfd;
pr_info("%s.\n", __func__);
/* wait for valid clock before sending data over DSI or I2C. */
msleep(30);
mfd = platform_get_drvdata(pdev);
d2l_mfd = mfd;
if (!mfd)
return -ENODEV;
if (mfd->key != MFD_KEY)
return -EINVAL;
chip_id = mipi_d2l_read_reg(mfd, IDREG);
if (chip_id != TC358764XBG_ID) {
pr_err("%s: invalid chip_id=0x%x", __func__, chip_id);
return -ENODEV;
}
ret = mipi_d2l_dsi_init_sequence(mfd);
if (ret)
return ret;
mipi_d2l_write_reg(mfd, GPIOC, d2l_gpio_out_mask);
/* Set GPIOs: gpio#4=U/D=0 , gpio#3=L/R=1 , gpio#2,1=CABC=0. */
mipi_d2l_write_reg(mfd, GPIOO, d2l_gpio_out_val);
if (bl_level == 0)
bl_level = PWM_LEVEL * 2 / 3 ; /* Default ON value */
/* Set backlight via PWM */
if (bl_pwm) {
ret = mipi_d2l_set_backlight_level(bl_pwm, bl_level);
if (ret)
pr_err("%s.mipi_d2l_set_backlight_level.ret=%d",
__func__, ret);
}
pr_info("%s.ret=%d.\n", __func__, ret);
return ret;
}
/**
* LCD OFF.
*
* @param pdev
*
* @return int
*/
static int mipi_d2l_lcd_off(struct platform_device *pdev)
{
int ret;
struct msm_fb_data_type *mfd;
pr_info("%s.\n", __func__);
mfd = platform_get_drvdata(pdev);
if (!mfd)
return -ENODEV;
if (mfd->key != MFD_KEY)
return -EINVAL;
ret = mipi_d2l_set_backlight_level(bl_pwm, 1);
pr_info("%s.ret=%d.\n", __func__, ret);
return ret;
}
/**
* LCD ON.
*
* Set LCD On via MIPI interface or I2C-Slave interface.
* Set Backlight on.
*
* @param pdev
*
* @return int
*/
static int mipi_d2l_lcd_on(struct platform_device *pdev)
{
int ret = 0;
u32 chip_id;
struct msm_fb_data_type *mfd;
pr_info("%s.\n", __func__);
/* wait for valid clock before sending data over DSI or I2C. */
msleep(30);
mfd = platform_get_drvdata(pdev);
d2l_mfd = mfd;
if (!mfd)
return -ENODEV;
if (mfd->key != MFD_KEY)
return -EINVAL;
chip_id = mipi_d2l_read_reg(mfd, IDREG);
if (chip_id != TC358764XBG_ID) {
pr_err("%s: invalid chip_id=0x%x", __func__, chip_id);
return -ENODEV;
}
ret = mipi_d2l_dsi_init_sequence(mfd);
if (ret)
return ret;
mipi_d2l_write_reg(mfd, GPIOC, d2l_gpio_out_mask);
/* Set GPIOs: gpio#4=U/D=0 , gpio#3=L/R=1 , gpio#2,1=CABC=0. */
mipi_d2l_write_reg(mfd, GPIOO, d2l_gpio_out_val);
#if defined(CONFIG_FB_MSM_MIPI_BOEOT_TFT_VIDEO_WSVGA_PT_PANEL) \
|| defined(CONFIG_FB_MSM_MIPI_SAMSUNG_TFT_VIDEO_WXGA_PT_PANEL)
if ((bl_level == 0) && (!initial_powerseq)) {
bl_level = BRIGHTNESS_DEFAULT ; /* Default ON value */
INIT_DELAYED_WORK(&det_work, blenable_work_func);
schedule_delayed_work(&det_work, msecs_to_jiffies(250));
}
#else
if ((bl_level == 0) && (!initial_powerseq))
bl_level = PWM_LEVEL * 2 / 3 ; /* Default ON value */
/* Set backlight via PWM */
if (bl_pwm) {
ret = mipi_d2l_set_backlight_level(bl_pwm, bl_level);
if (ret)
pr_err("%s.mipi_d2l_set_backlight_level.ret=%d",
__func__, ret);
}
#endif
pr_info("%s.ret=%d.\n", __func__, ret);
/* Set power on flag */
initial_powerseq = 1;
return ret;
}
