shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-04-14 09:30:40 +09:00
Code Issues Packages Projects Releases Wiki Activity

rk3288:lcdc: add support set default bcsh value which read from dts when open lcdc

Browse Source
This commit is contained in:
zwl
2014-08-26 08:51:00 +08:00
parent 5f159debc6
commit 8a387fc0ab
2 changed files with 83 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

80
drivers/video/rockchip/lcdc/rk3288_lcdc.c
View File

@@ -48,6 +48,9 @@ module_param(dbg_thresd, int, S_IRUGO | S_IWUSR);
if (unlikely(dbg_thresd >= level)) \
printk(KERN_INFO x); } while (0)
static int rk3288_lcdc_set_bcsh(struct rk_lcdc_driver *dev_drv,
bool enable);
/*#define WAIT_FOR_SYNC 1*/
static int rk3288_lcdc_get_id(u32 phy_base)
@@ -1325,6 +1328,8 @@ static int rk3288_lcdc_open(struct rk_lcdc_driver *dev_drv, int win_id,
} else {
rk3288_load_screen(dev_drv, 1);
}
if (dev_drv->bcsh.enable)
rk3288_lcdc_set_bcsh(dev_drv, 1);
spin_lock(&lcdc_dev->reg_lock);
if (dev_drv->cur_screen->dsp_lut)
rk3288_lcdc_set_lut(dev_drv);
@@ -3386,6 +3391,37 @@ static int rk3288_lcdc_open_bcsh(struct rk_lcdc_driver *dev_drv, bool open)
return 0;
}
static int rk3288_lcdc_set_bcsh(struct rk_lcdc_driver *dev_drv,
bool enable)
{
if (!enable || !dev_drv->bcsh.enable) {
rk3288_lcdc_open_bcsh(dev_drv, false);
return 0;
}
if (dev_drv->bcsh.brightness <= 255 ||
dev_drv->bcsh.contrast <= 510 ||
dev_drv->bcsh.sat_con <= 1015 ||
(dev_drv->bcsh.sin_hue <= 511 && dev_drv->bcsh.cos_hue <= 511)) {
rk3288_lcdc_open_bcsh(dev_drv, true);
if (dev_drv->bcsh.brightness <= 255)
rk3288_lcdc_set_bcsh_bcs(dev_drv, BRIGHTNESS,
dev_drv->bcsh.brightness);
if (dev_drv->bcsh.contrast <= 510)
rk3288_lcdc_set_bcsh_bcs(dev_drv, CONTRAST,
dev_drv->bcsh.contrast);
if (dev_drv->bcsh.sat_con <= 1015)
rk3288_lcdc_set_bcsh_bcs(dev_drv, SAT_CON,
dev_drv->bcsh.sat_con);
if (dev_drv->bcsh.sin_hue <= 511 &&
dev_drv->bcsh.cos_hue <= 511)
rk3288_lcdc_set_bcsh_hue(dev_drv,
dev_drv->bcsh.sin_hue,
dev_drv->bcsh.cos_hue);
}
return 0;
}
static struct rk_lcdc_win lcdc_win[] = {
[0] = {
.name = "win0",
@@ -3546,6 +3582,7 @@ static int rk3288_lcdc_resume(struct platform_device *pdev)
static int rk3288_lcdc_parse_dt(struct lcdc_device *lcdc_dev)
{
struct device_node *np = lcdc_dev->dev->of_node;
struct rk_lcdc_driver *dev_drv = &lcdc_dev->driver;
int val;
if (of_property_read_u32(np, "rockchip,prop", &val))
@@ -3554,26 +3591,55 @@ static int rk3288_lcdc_parse_dt(struct lcdc_device *lcdc_dev)
lcdc_dev->prop = val;
if (of_property_read_u32(np, "rockchip,mirror", &val))
lcdc_dev->driver.rotate_mode = NO_MIRROR;
dev_drv->rotate_mode = NO_MIRROR;
else
lcdc_dev->driver.rotate_mode = val;
dev_drv->rotate_mode = val;
if (of_property_read_u32(np, "rockchip,cabc_mode", &val))
lcdc_dev->driver.cabc_mode = 0; /* default set close cabc */
dev_drv->cabc_mode = 0; /* default set close cabc */
else
lcdc_dev->driver.cabc_mode = val;
dev_drv->cabc_mode = val;
if (of_property_read_u32(np, "rockchip,pwr18", &val))
lcdc_dev->pwr18 = false; /*default set it as 3.xv power supply */
else
lcdc_dev->pwr18 = (val ? true : false);
if (of_property_read_u32(np, "rockchip,bcsh-en", &val))
dev_drv->bcsh.enable = false;
else
dev_drv->bcsh.enable = (val ? true : false);
if (of_property_read_u32(np, "rockchip,brightness", &val))
dev_drv->bcsh.brightness = 0xffff;
else
dev_drv->bcsh.brightness = val;
if (of_property_read_u32(np, "rockchip,contrast", &val))
dev_drv->bcsh.contrast = 0xffff;
else
dev_drv->bcsh.contrast = val;
if (of_property_read_u32(np, "rockchip,sat-con", &val))
dev_drv->bcsh.sat_con = 0xffff;
else
dev_drv->bcsh.sat_con = val;
if (of_property_read_u32(np, "rockchip,hue", &val)) {
dev_drv->bcsh.sin_hue = 0xffff;
dev_drv->bcsh.cos_hue = 0xffff;
} else {
dev_drv->bcsh.sin_hue = val & 0xff;
dev_drv->bcsh.cos_hue = (val >> 8) & 0xff;
}
#if defined(CONFIG_ROCKCHIP_IOMMU)
if (of_property_read_u32(np, "rockchip,iommu-enabled", &val))
lcdc_dev->driver.iommu_enabled = 0;
dev_drv->iommu_enabled = 0;
else
lcdc_dev->driver.iommu_enabled = val;
dev_drv->iommu_enabled = val;
#else
lcdc_dev->driver.iommu_enabled = 0;
dev_drv->iommu_enabled = 0;
#endif
return 0;
}

10
include/linux/rk_fb.h
View File

@@ -310,6 +310,15 @@ struct rk_lcdc_post_cfg{
u32 ysize;
};
struct rk_lcdc_bcsh {
bool enable;
u16 brightness;
u16 contrast;
u16 sat_con;
u16 sin_hue;
u16 cos_hue;
};
struct rk_lcdc_win_area{
bool state;
u32 y_offset; /*yuv/rgb offset -->LCDC_WINx_YRGB_MSTx*/
@@ -589,6 +598,7 @@ struct rk_lcdc_driver {
void (*irq_call_back)(struct rk_lcdc_driver *driver);
#endif
struct overscan overscan;
struct rk_lcdc_bcsh bcsh;
};
/*disp_mode: dual display mode