static void hisifb_bl_workqueue_handler(struct hisi_fb_data_type *hisifd)
#endif
{
struct hisi_fb_panel_data *pdata = NULL;
#ifdef CONFIG_HISI_FB_BACKLIGHT_DELAY
struct hisifb_backlight *pbacklight = NULL;
struct hisi_fb_data_type *hisifd = NULL;
pbacklight = container_of(to_delayed_work(work), struct hisifb_backlight, bl_worker);
BUG_ON(pbacklight == NULL);
hisifd = container_of(pbacklight, struct hisi_fb_data_type, backlight);
#endif
BUG_ON(hisifd == NULL);
pdata = dev_get_platdata(&hisifd->pdev->dev);
BUG_ON(pdata == NULL);
if (!hisifd->backlight.bl_updated) {
down(&hisifd->blank_sem);
hisifd->backlight.bl_updated = 1;
if (is_recovery_mode) {
hisifd->bl_level = HISI_FB_DEFAULT_BL_LEVEL;
}
hisifb_set_backlight(hisifd, hisifd->bl_level);
up(&hisifd->blank_sem);
}
}
static void hisifb_sbl_work(struct work_struct *work)
{
struct hisifb_backlight *pbacklight = NULL;
struct hisi_fb_data_type *hisifd = NULL;
char __iomem *sbl_base = NULL;
uint32_t bkl_from_AD = 0;
pbacklight = container_of(work, struct hisifb_backlight, sbl_work);
BUG_ON(pbacklight == NULL);
hisifd = container_of(pbacklight, struct hisi_fb_data_type, backlight);
BUG_ON(hisifd == NULL);
down(&hisifd->blank_sem);
if (!hisifd->panel_power_on) {
up(&hisifd->blank_sem);
return;
}
sbl_base = hisifd->dss_base + DSS_DPP_SBL_OFFSET;
bkl_from_AD = (inp32(sbl_base + SBL_BACKLIGHT_OUT_H) << 8)
| inp32(sbl_base + SBL_BACKLIGHT_OUT_L);
hisifb_set_backlight(hisifd, bkl_from_AD);
up(&hisifd->blank_sem);
}
static void hisi_fb_set_bl_brightness(struct led_classdev *led_cdev,
enum led_brightness value)
{
struct hisi_fb_data_type *hisifd = NULL;
int bl_lvl = 0;
BUG_ON(led_cdev == NULL);
hisifd = dev_get_drvdata(led_cdev->dev->parent);
BUG_ON(hisifd == NULL);
if (value < 0)
value = 0;
if (value > MAX_BACKLIGHT_BRIGHTNESS)
value = MAX_BACKLIGHT_BRIGHTNESS;
/* This maps android backlight level 0 to 255 into
driver backlight level 0 to bl_max with rounding */
bl_lvl = (2 * value * hisifd->panel_info.bl_max + MAX_BACKLIGHT_BRIGHTNESS)
/(2 * MAX_BACKLIGHT_BRIGHTNESS);
if (!bl_lvl && value)
bl_lvl = 1;
down(&hisifd->blank_sem);
hisifb_set_backlight(hisifd, bl_lvl);
up(&hisifd->blank_sem);
}
void hisifb_sbl_isr_handler(struct hisi_fb_data_type *hisifd)
{
char __iomem *sbl_base = NULL;
uint32_t bkl_from_AD = 0;
BUG_ON(hisifd == NULL);
if ((hisifd->sbl_enable == 0) || (hisifd->panel_info.sbl_support == 0)) {
return;
}
sbl_base = hisifd->dss_base + DSS_DPP_SBL_OFFSET;
bkl_from_AD = (inp32(sbl_base + SBL_BACKLIGHT_OUT_H) << 8)
| inp32(sbl_base + SBL_BACKLIGHT_OUT_L);
hisifb_set_backlight(hisifd, bkl_from_AD);
}
static int hisi_fb_bl_update_status(struct backlight_device *pbd)
{
struct hisi_fb_data_type *hisifd = NULL;
uint32_t bl_lvl = 0;
BUG_ON(pbd == NULL);
hisifd = bl_get_data(pbd);
BUG_ON(hisifd == NULL);
bl_lvl = pbd->props.brightness;
bl_lvl = hisifd->fbi->bl_curve[bl_lvl];
down(&hisifd->blank_sem);
hisifb_set_backlight(hisifd, bl_lvl);
up(&hisifd->blank_sem);
return 0;
}