shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-09 12:17:12 +09:00
Code Issues Packages Projects Releases Wiki Activity

rk3368 lcdc: update gamma lut 10bit to 8bit

Browse Source 
Signed-off-by: hjc <hjc@rock-chips.com>
This commit is contained in:
hjc
2014-12-16 10:00:17 +08:00
committed by Huang, Tao
parent 0ad8f3f803
commit b3cd2058cd
1 changed files with 12 additions and 80 deletions
Download Patch File Download Diff File Expand all files Collapse all files

92
drivers/video/rockchip/lcdc/rk3368_lcdc.c
View File

@@ -95,28 +95,20 @@ u32 rk3368_get_hard_ware_vskiplines(u32 srch, u32 dsth)
return vscalednmult;
}
static int rk3368_lcdc_set_lut(struct rk_lcdc_driver *dev_drv)
static int rk3368_lcdc_set_lut(struct rk_lcdc_driver *dev_drv, int *dsp_lut)
{
int i, j;
int i;
int __iomem *c;
u32 v, r, g, b;
u32 v;
struct lcdc_device *lcdc_dev =
container_of(dev_drv, struct lcdc_device, driver);
lcdc_msk_reg(lcdc_dev, DSP_CTRL1, 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);
b = (v & 0xff) << 2;
g = (v & 0xff00) << 4;
r = (v & 0xff0000) << 6;
v = r + g + b;
for (j = 0; j < 4; j++) {
writel_relaxed(v, c);
v += (1 + (1 << 10) + (1 << 20));
c++;
}
v = dsp_lut[i];
c = lcdc_dev->dsp_lut_addr_base + i;
writel_relaxed(v, c);
}
lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_DSP_LUT_EN, v_DSP_LUT_EN(1));
@@ -1925,7 +1917,8 @@ static int rk3368_lcdc_open(struct rk_lcdc_driver *dev_drv, int win_id,
rk3368_lcdc_set_bcsh(dev_drv, 1);
spin_lock(&lcdc_dev->reg_lock);
if (dev_drv->cur_screen->dsp_lut)
rk3368_lcdc_set_lut(dev_drv);
rk3368_lcdc_set_lut(dev_drv,
dev_drv->cur_screen->dsp_lut);
spin_unlock(&lcdc_dev->reg_lock);
}
@@ -2896,9 +2889,6 @@ static int rk3368_lcdc_early_resume(struct rk_lcdc_driver *dev_drv)
{
struct lcdc_device *lcdc_dev =
container_of(dev_drv, struct lcdc_device, driver);
int i, j;
int __iomem *c;
int v, r, g, b;
if (!dev_drv->suspend_flag)
return 0;
@@ -2910,27 +2900,9 @@ static int rk3368_lcdc_early_resume(struct rk_lcdc_driver *dev_drv)
rk3368_lcdc_reg_restore(lcdc_dev);
spin_lock(&lcdc_dev->reg_lock);
if (dev_drv->cur_screen->dsp_lut) {
lcdc_msk_reg(lcdc_dev, DSP_CTRL1, 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);
b = (v & 0xff);
g = (v & 0xff00);
r = (v & 0xff0000);
v = r + g + b;
for (j = 0; j < 4; j++) {
writel_relaxed(v, c);
v += (1 + (1 << 10) + (1 << 20));
c++;
}
}
lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_DSP_LUT_EN,
v_DSP_LUT_EN(1));
}
if (dev_drv->cur_screen->dsp_lut)
rk3368_lcdc_set_lut(dev_drv,
dev_drv->cur_screen->dsp_lut);
lcdc_msk_reg(lcdc_dev, DSP_CTRL0, m_DSP_OUT_ZERO,
v_DSP_OUT_ZERO(0));
@@ -3573,46 +3545,6 @@ static int rk3368_lcdc_get_win_id(struct rk_lcdc_driver *dev_drv,
return win_id;
}
static int rk3368_set_dsp_lut(struct rk_lcdc_driver *dev_drv, int *lut)
{
int i, j;
int __iomem *c;
int v, r, g, b;
int ret = 0;
struct lcdc_device *lcdc_dev =
container_of(dev_drv, struct lcdc_device, driver);
lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_DSP_LUT_EN, v_DSP_LUT_EN(0));
lcdc_cfg_done(lcdc_dev);
mdelay(25);
if (dev_drv->cur_screen->dsp_lut) {
for (i = 0; i < 256; i++) {
dev_drv->cur_screen->dsp_lut[i] = lut[i];
v = dev_drv->cur_screen->dsp_lut[i];
c = lcdc_dev->dsp_lut_addr_base + (i << 2);
b = (v & 0xff) << 2;
g = (v & 0xff00) << 4;
r = (v & 0xff0000) << 6;
v = r + g + b;
for (j = 0; j < 4; j++) {
writel_relaxed(v, c);
v += (1 + (1 << 10) + (1 << 20));
c++;
}
}
} else {
dev_err(dev_drv->dev, "no buffer to backup lut data!\n");
ret = -1;
}
do {
lcdc_msk_reg(lcdc_dev, DSP_CTRL1, m_DSP_LUT_EN,
v_DSP_LUT_EN(1));
lcdc_cfg_done(lcdc_dev);
} while (!lcdc_read_bit(lcdc_dev, DSP_CTRL1, m_DSP_LUT_EN));
return ret;
}
static int rk3368_lcdc_config_done(struct rk_lcdc_driver *dev_drv)
{
struct lcdc_device *lcdc_dev =
@@ -4128,7 +4060,7 @@ static struct rk_lcdc_drv_ops lcdc_drv_ops = {
.fps_mgr = rk3368_lcdc_fps_mgr,
.fb_get_win_id = rk3368_lcdc_get_win_id,
.fb_win_remap = rk3368_fb_win_remap,
.set_dsp_lut = rk3368_set_dsp_lut,
.set_dsp_lut = rk3368_lcdc_set_lut,
.poll_vblank = rk3368_lcdc_poll_vblank,
.dpi_open = rk3368_lcdc_dpi_open,
.dpi_win_sel = rk3368_lcdc_dpi_win_sel,