void pwm_set_backlight(struct msm_fb_data_type *mfd)
{
lcd_panel_type lcd_panel_wvga = LCD_NONE;
lcd_panel_wvga = get_lcd_panel_type();
if ((MIPI_RSP61408_CHIMEI_WVGA == lcd_panel_wvga )
|| (MIPI_RSP61408_BYD_WVGA == lcd_panel_wvga )
|| (MIPI_RSP61408_TRULY_WVGA == lcd_panel_wvga )
|| (MIPI_HX8369A_TIANMA_WVGA == lcd_panel_wvga ))
{
/* keep duty is 75% of the quondam duty */
mfd->bl_level = mfd->bl_level * 75 / 100;
}
if (get_hw_lcd_ctrl_bl_type() == CTRL_BL_BY_MSM)
{
lcd_set_backlight_pwm(mfd->bl_level);
}
else
{
cabc_backlight_set(mfd);
}
return;
}
int backlight_pwm_gpio_config(void)
{
int rc;
struct pm_gpio backlight_drv =
{
.direction = PM_GPIO_DIR_OUT,
.output_buffer = PM_GPIO_OUT_BUF_CMOS,
.output_value = 0,
.pull = PM_GPIO_PULL_NO,
.vin_sel = 0,
.out_strength = PM_GPIO_STRENGTH_HIGH,
.function = PM_GPIO_FUNC_2,
.inv_int_pol = 1,
};
/* U8800 use PM_GPIO25 as backlight's PWM,but U8820 use PM_GPIO26 */
if(machine_is_msm7x30_u8800()
|| machine_is_msm7x30_u8800_51()
|| machine_is_msm8255_u8800_pro()
|| machine_is_msm8255_u8860()
|| machine_is_msm8255_c8860()
|| machine_is_msm8255_u8860lp()
|| machine_is_msm8255_u8860_r()
|| machine_is_msm8255_u8860_92()
|| machine_is_msm8255_u8680()
|| machine_is_msm8255_u8667()
|| machine_is_msm8255_u8860_51()
|| machine_is_msm8255_u8730())
{
rc = pm8xxx_gpio_config( 24, &backlight_drv);
}
else if(machine_is_msm7x30_u8820())
{
rc = pm8xxx_gpio_config( 25, &backlight_drv);
}
else
{
rc = -1;
}
if (rc)
{
pr_err("%s LCD backlight GPIO config failed\n", __func__);
return rc;
}
return 0;
}
/* use the mmp pin like three-leds */
void msm_backlight_set(int level)
{
static uint8 last_level = 0;
/*fix bug in new base-line 1025*/
#ifdef CONFIG_ARCH_MSM7X30
static boolean first_set_bl = TRUE;
static struct pwm_device *bl_pwm;
#endif //CONFIG_ARCH_MSM7X30
/* keep duty 10% < level < 100% */
#ifdef CONFIG_ARCH_MSM7X27A
if(level)
{
#ifdef CONFIG_HUAWEI_OLD_BACKLIGHT
level = ((level * PWM_LEVEL_ADJUST_LPG) / PWM_LEVEL );
if (level < BL_MIN_LEVEL_LPG)
{
level = BL_MIN_LEVEL_LPG;
}
#else
if (level < BL_MIN_LEVEL)
{
level = BL_MIN_LEVEL;
}
#endif
}
if (last_level == level)
{
return ;
}
last_level = level;
pmapp_disp_backlight_set_brightness(last_level);
#endif
#ifdef CONFIG_ARCH_MSM7X30
if(TRUE == first_set_bl)
{
backlight_pwm_gpio_config();
/* U8800 use PM_GPIO25 as backlight's PWM,but U8820 use PM_GPIO26 */
if(machine_is_msm7x30_u8800()
|| machine_is_msm7x30_u8800_51()
|| machine_is_msm8255_u8800_pro()
|| machine_is_msm8255_u8860()
|| machine_is_msm8255_c8860()
|| machine_is_msm8255_u8860lp()
|| machine_is_msm8255_u8860_r()
|| machine_is_msm8255_u8860_92()
|| machine_is_msm8255_u8680()
|| machine_is_msm8255_u8667()
|| machine_is_msm8255_u8860_51()
|| machine_is_msm8255_u8730())
{
bl_pwm = pwm_request(PM_GPIO25_PWM_ID, "backlight");
}
else if(machine_is_msm7x30_u8820())
{
bl_pwm = pwm_request(PM_GPIO26_PWM_ID, "backlight");
}
else
{
bl_pwm = NULL;
}
if (NULL == bl_pwm || IS_ERR(bl_pwm))
{
pr_err("%s: pwm_request() failed\n", __func__);
bl_pwm = NULL;
}
first_set_bl = FALSE;
}
if (bl_pwm)
{
if(level)
{
level = ((level * PWM_LEVEL_ADJUST) / PWM_LEVEL + ADD_VALUE);
if (level < BL_MIN_LEVEL)
{
level = BL_MIN_LEVEL;
}
}
if (last_level == level)
{
return ;
}
last_level = level;
pwm_config(bl_pwm, PWM_DUTY_LEVEL*level/NSEC_PER_USEC, PWM_PERIOD/NSEC_PER_USEC);
pwm_enable(bl_pwm);
}
#endif
}
void cabc_backlight_set(struct msm_fb_data_type * mfd)
{
struct msm_fb_panel_data *pdata = NULL;
uint32 bl_level = mfd->bl_level;
/* keep duty 10% < level < 100% */
if (bl_level)
{
/****delete one line codes for backlight*****/
if (bl_level < BL_MIN_LEVEL)
{
bl_level = BL_MIN_LEVEL;
}
}
/* backlight ctrl by LCD-self, like as CABC */
pdata = (struct msm_fb_panel_data *)mfd->pdev->dev.platform_data;
if ((pdata) && (pdata->set_cabc_brightness))
{
pdata->set_cabc_brightness(mfd,bl_level);
}
}
void pwm_set_backlight(struct msm_fb_data_type *mfd)
{
#ifdef CONFIG_HUAWEI_OLD_BACKLIGHT
lcd_panel_type lcd_panel_wvga = LCD_NONE;
#endif
/*When all the device are resume that can turn the light*/
if(atomic_read(&suspend_flag))
{
mfd_local = mfd;
backlight_set = TRUE;
return;
}
#ifdef CONFIG_HUAWEI_OLD_BACKLIGHT
lcd_panel_wvga = get_lcd_panel_type();
if ((MIPI_CMD_RSP61408_CHIMEI_WVGA == lcd_panel_wvga )
|| (MIPI_CMD_RSP61408_BYD_WVGA == lcd_panel_wvga )
|| (MIPI_CMD_RSP61408_TRULY_WVGA == lcd_panel_wvga )
|| (MIPI_CMD_HX8369A_TIANMA_WVGA == lcd_panel_wvga ))
{
/* keep duty is 75% of the quondam duty */
mfd->bl_level = mfd->bl_level * 75 / 100;
}
#endif
if (get_hw_lcd_ctrl_bl_type() == CTRL_BL_BY_MSM)
{
msm_backlight_set(mfd->bl_level);
}
else
{
cabc_backlight_set(mfd);
}
return;
}
int backlight_pwm_gpio_config(void)
{
int rc;
struct pm_gpio backlight_drv =
{
.direction = PM_GPIO_DIR_OUT,
.output_buffer = PM_GPIO_OUT_BUF_CMOS,
.output_value = 0,
.pull = PM_GPIO_PULL_NO,
.vin_sel = 0,
.out_strength = PM_GPIO_STRENGTH_HIGH,
.function = PM_GPIO_FUNC_2,
.inv_int_pol = 1,
};
/* U8800 use PM_GPIO25 as backlight's PWM,but U8820 use PM_GPIO26 */
/* < DTS2011102401822 liwei 20111024 begin */
if(machine_is_msm7x30_u8800()
|| machine_is_msm7x30_u8800_51()
|| machine_is_msm8255_u8800_pro()
|| machine_is_msm8255_u8860()
|| machine_is_msm8255_c8860()
|| machine_is_msm8255_u8860lp()
/* < DTS2012022905490 ganfan 20120301 begin */
|| machine_is_msm8255_u8860_r()
/* DTS2012022905490 ganfan 20120301 end > */
|| machine_is_msm8255_u8860_92()
|| machine_is_msm8255_u8680()
|| machine_is_msm8255_u8667()
|| machine_is_msm8255_u8860_51()
|| machine_is_msm8255_u8730())
/* DTS2011102401822 liwei 20111024 end > */
/*< DTS2012051704510 houming 20120517 begin */
/* renew config the gpio value */
{
rc = pm8xxx_gpio_config( PM8058_GPIO_PM_TO_SYS(24), &backlight_drv);
}
else if(machine_is_msm7x30_u8820())
{
rc = pm8xxx_gpio_config( PM8058_GPIO_PM_TO_SYS(25), &backlight_drv);
}
/* DTS2012051704510 houming 20120517 end >*/
else
{
rc = -1;
}
if (rc)
{
pr_err("%s LCD backlight GPIO config failed\n", __func__);
return rc;
}
return 0;
}
/* use the mmp pin like three-leds */
/*< DTS2012012101194 lijianzhao 20120121 begin */
void msm_backlight_set(int level)
{
static uint8 last_level = 0;
static boolean first_set_bl = TRUE;
/*< DTS2012042605475 zhongjinrong 20120426 begin */
/*< DTS2012032101654 liweiwu 20120321 begin */
/* keep duty 10% < level < 100% */
/* DTS2012032101654 liweiwu 20120321 end >*/
/* DTS2012042605475 zhongjinrong 20120426 end >*/
/*< DTS2012021602342 zhongjinrong 20120224 begin */
#ifdef CONFIG_ARCH_MSM7X27A
/* DTS2012021602342 zhongjinrong 20120224 end >*/
if(level)
{
level = ((level * PWM_LEVEL_ADJUST_LPG) / PWM_LEVEL );
if (level < BL_MIN_LEVEL_LPG)
{
level = BL_MIN_LEVEL_LPG;
}
}
if (last_level == level)
{
return ;
}
last_level = level;
pmapp_disp_backlight_set_brightness(last_level);
#endif
#ifdef CONFIG_ARCH_MSM7X30
if(TRUE == first_set_bl)
{
backlight_pwm_gpio_config();
/* U8800 use PM_GPIO25 as backlight's PWM,but U8820 use PM_GPIO26 */
/* < DTS2011102401822 liwei 20111024 begin */
if(machine_is_msm7x30_u8800()
|| machine_is_msm7x30_u8800_51()
|| machine_is_msm8255_u8800_pro()
|| machine_is_msm8255_u8860()
|| machine_is_msm8255_c8860()
|| machine_is_msm8255_u8860lp()
/* < DTS2012022905490 ganfan 20120301 begin */
|| machine_is_msm8255_u8860_r()
/* DTS2012022905490 ganfan 20120301 end > */
|| machine_is_msm8255_u8860_92()
|| machine_is_msm8255_u8680()
|| machine_is_msm8255_u8667()
|| machine_is_msm8255_u8860_51()
|| machine_is_msm8255_u8730())
/* DTS2011102401822 liwei 20111024 end > */
{
bl_pwm = pwm_request(PM_GPIO25_PWM_ID, "backlight");
}
else if(machine_is_msm7x30_u8820())
{
bl_pwm = pwm_request(PM_GPIO26_PWM_ID, "backlight");
}
else
{
bl_pwm = NULL;
}
if (NULL == bl_pwm || IS_ERR(bl_pwm))
{
pr_err("%s: pwm_request() failed\n", __func__);
bl_pwm = NULL;
}
first_set_bl = FALSE;
}
if (bl_pwm)
{
if(level)
{
level = ((level * PWM_LEVEL_ADJUST) / PWM_LEVEL + ADD_VALUE);
if (level < BL_MIN_LEVEL)
{
level = BL_MIN_LEVEL;
}
}
if (last_level == level)
{
return ;
}
last_level = level;
pwm_config(bl_pwm, PWM_DUTY_LEVEL*level/NSEC_PER_USEC, PWM_PERIOD/NSEC_PER_USEC);
pwm_enable(bl_pwm);
}
#endif
}
/* DTS2012012101194 lijianzhao 20120121 end >*/
void cabc_backlight_set(struct msm_fb_data_type * mfd)
{
struct msm_fb_panel_data *pdata = NULL;
uint32 bl_level = mfd->bl_level;
/*< DTS2012042605475 zhongjinrong 20120426 begin */
/*< DTS2012032101654 liweiwu 20120321 begin */
/* keep duty 10% < level < 100% */
/* DTS2012032101654 liweiwu 20120321 end >*/
if (bl_level)
{
/*< DTS2012032101654 liweiwu 20120321 begin */
/****delete one line codes for backlight*****/
/* DTS2012032101654 liweiwu 20120321 end >*/
/* DTS2012042605475 zhongjinrong 20120426 end >*/
if (bl_level < BL_MIN_LEVEL)
{
bl_level = BL_MIN_LEVEL;
}
}
/* backlight ctrl by LCD-self, like as CABC */
/*< DTS2012012101194 lijianzhao 20120121 begin */
pdata = (struct msm_fb_panel_data *)mfd->pdev->dev.platform_data;
if ((pdata) && (pdata->set_cabc_brightness))
{
pdata->set_cabc_brightness(mfd,bl_level);
}
/* DTS2012012101194 lijianzhao 20120121 end >*/
}
/*< DTS2012022408079 zhongjinrong 20120306 begin */
void pwm_set_backlight(struct msm_fb_data_type *mfd)
{
lcd_panel_type lcd_panel_wvga = LCD_NONE;
/*< DTS2011122704239 liuyuntao 20111229 begin */
/*When all the device are resume that can turn the light*/
if(atomic_read(&suspend_flag))
{
mfd_local = mfd;
backlight_set = TRUE;
return;
}
/* DTS2011122704239 liuyuntao 20111229 end >*/
/*< DTS2012021601331 duanfei 20120216 begin */
/*< DTS2012021602342 zhongjinrong 20120224 begin */
#ifdef CONFIG_ARCH_MSM7X27A
/* DTS2012021602342 zhongjinrong 20120224 end >*/
lcd_panel_wvga = get_lcd_panel_type();
/* <DTS2012022501992 liguosheng 20120229 begin */
if ((MIPI_RSP61408_CHIMEI_WVGA == lcd_panel_wvga )
|| (MIPI_RSP61408_BYD_WVGA == lcd_panel_wvga )
|| (MIPI_RSP61408_TRULY_WVGA == lcd_panel_wvga )
|| (MIPI_HX8369A_TIANMA_WVGA == lcd_panel_wvga ))
{
/* keep duty is 75% of the quondam duty */
mfd->bl_level = mfd->bl_level * 75 / 100;
}
/* DTS2012022501992 liguosheng 20120229 end> */
#endif
/* DTS2012021601331 duanfei 20120216 end >*/
if (get_hw_lcd_ctrl_bl_type() == CTRL_BL_BY_MSM)
{
msm_backlight_set(mfd->bl_level);
}
else
{
cabc_backlight_set(mfd);
}
return;
}