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rk312x: lcdc: the function that adjust GAMMA by config dsp lut is OK

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Signed-off-by: zwl <zwl@rockchips.com>
This commit is contained in:
zwl
2015-01-06 08:46:14 +08:00
parent e5e62c70c1
commit bb70e88099
1 changed files with 14 additions and 5 deletions
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19
drivers/video/rockchip/lcdc/rk312x_lcdc.c
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@@ -621,6 +621,7 @@ static int rk312x_lcdc_mmu_en(struct rk_lcdc_driver *dev_drv)
return 0;
}
static int rk312x_lcdc_set_hwc_lut(struct rk_lcdc_driver *dev_drv,
int *hwc_lut, int mode)
{
@@ -650,7 +651,9 @@ static int rk312x_lcdc_set_hwc_lut(struct rk_lcdc_driver *dev_drv,
return 0;
}
static int rk312x_lcdc_set_lut(struct rk_lcdc_driver *dev_drv)
static int rk312x_lcdc_set_lut(struct rk_lcdc_driver *dev_drv,
int *dsp_lut)
{
int i = 0;
int __iomem *c;
@@ -658,13 +661,16 @@ static int rk312x_lcdc_set_lut(struct rk_lcdc_driver *dev_drv)
struct lcdc_device *lcdc_dev =
container_of(dev_drv, struct lcdc_device, driver);
if (!dsp_lut)
return 0;
spin_lock(&lcdc_dev->reg_lock);
lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_DSP_LUT_EN, v_DSP_LUT_EN(0));
lcdc_cfg_done(lcdc_dev);
mdelay(25);
for (i = 0; i < 256; i++) {
v = dev_drv->cur_screen->dsp_lut[i];
c = lcdc_dev->dsp_lut_addr_base + (i<<2);
v = dsp_lut[i];
c = lcdc_dev->dsp_lut_addr_base + i;
writel_relaxed(v, c);
}
lcdc_msk_reg(lcdc_dev, SYS_CTRL, m_DSP_LUT_EN, v_DSP_LUT_EN(1));
@@ -1446,7 +1452,8 @@ static int rk312x_lcdc_open(struct rk_lcdc_driver *dev_drv, int win_id,
/* set screen lut */
if (dev_drv->cur_screen->dsp_lut)
rk312x_lcdc_set_lut(dev_drv);
rk312x_lcdc_set_lut(dev_drv,
dev_drv->cur_screen->dsp_lut);
}
if (win_id < ARRAY_SIZE(lcdc_win))
@@ -1806,7 +1813,8 @@ static int rk312x_lcdc_early_resume(struct rk_lcdc_driver *dev_drv)
/* set screen lut */
if (dev_drv->cur_screen && dev_drv->cur_screen->dsp_lut)
rk312x_lcdc_set_lut(dev_drv);
rk312x_lcdc_set_lut(dev_drv,
dev_drv->cur_screen->dsp_lut);
/*set hwc lut*/
rk312x_lcdc_set_hwc_lut(dev_drv, dev_drv->hwc_lut, 0);
@@ -2467,6 +2475,7 @@ static struct rk_lcdc_drv_ops lcdc_drv_ops = {
.get_dsp_bcsh_bcs = rk312x_lcdc_get_bcsh_bcs,
.open_bcsh = rk312x_lcdc_open_bcsh,
.set_screen_scaler = rk312x_lcdc_set_scaler,
.set_dsp_lut = rk312x_lcdc_set_lut,
.set_hwc_lut = rk312x_lcdc_set_hwc_lut,
.set_irq_to_cpu = rk312x_lcdc_set_irq_to_cpu,
.dsp_black = rk312x_lcdc_dsp_black,