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: add gather config for bandwidth

Browse Source 
Signed-off-by: hjc <hjc@rock-chips.com>
This commit is contained in:
hjc
2015-04-16 11:51:47 +08:00
parent 5a61bdfd90
commit b280cfcee1
1 changed files with 54 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
drivers/video/rockchip/lcdc/rk3368_lcdc.c
View File

@@ -1039,6 +1039,57 @@ static int rk3368_init_fbdc_config(struct rk_lcdc_driver *dev_drv, int win_id)
return 0;
}
static int rk3368_lcdc_axi_gather_cfg(struct lcdc_device *lcdc_dev,
struct rk_lcdc_win *win)
{
u32 mask, val;
u16 yrgb_gather_num = 8;
u16 cbcr_gather_num = 2;
switch (win->area[0].format) {
case ARGB888:
case XBGR888:
case ABGR888:
yrgb_gather_num = 8;
break;
case RGB888:
case RGB565:
yrgb_gather_num = 4;
break;
case YUV444:
case YUV422:
case YUV420:
case YUV420_NV21:
yrgb_gather_num = 2;
cbcr_gather_num = 4;
break;
default:
dev_err(lcdc_dev->driver.dev, "%s:un supported format!\n",
__func__);
return -EINVAL;
}
if ((win->id == 0) || (win->id == 1)) {
mask = m_WIN0_YRGB_AXI_GATHER_EN | m_WIN0_CBR_AXI_GATHER_EN |
m_WIN0_YRGB_AXI_GATHER_NUM | m_WIN0_CBR_AXI_GATHER_NUM;
val = v_WIN0_YRGB_AXI_GATHER_EN(1) | v_WIN0_CBR_AXI_GATHER_EN(1) |
v_WIN0_YRGB_AXI_GATHER_NUM(yrgb_gather_num) |
v_WIN0_CBR_AXI_GATHER_NUM(cbcr_gather_num);
lcdc_msk_reg(lcdc_dev, WIN0_CTRL1 + (win->id * 0x40), mask, val);
} else if ((win->id == 2) || (win->id == 3)) {
mask = m_WIN0_YRGB_AXI_GATHER_EN | m_WIN0_YRGB_AXI_GATHER_NUM;
val = v_WIN0_YRGB_AXI_GATHER_EN(1) |
v_WIN0_YRGB_AXI_GATHER_NUM(yrgb_gather_num);
lcdc_msk_reg(lcdc_dev, WIN2_CTRL1 + ((win->id - 2) * 0x50), mask, val);
} else if (win->id == 4) {
mask = m_HWC_AXI_GATHER_EN | m_HWC_AXI_GATHER_NUM;
val = v_HWC_AXI_GATHER_EN(1) |
v_HWC_AXI_GATHER_NUM(yrgb_gather_num);
lcdc_msk_reg(lcdc_dev, HWC_CTRL1, mask, val);
}
return 0;
}
static void rk3368_lcdc_csc_mode(struct lcdc_device *lcdc_dev,
struct rk_lcdc_win *win)
{
@@ -1086,6 +1137,7 @@ static int rk3368_win_0_1_reg_update(struct rk_lcdc_driver *dev_drv, int win_id)
if (win->state == 1) {
rk3368_lcdc_csc_mode(lcdc_dev, win);
rk3368_lcdc_axi_gather_cfg(lcdc_dev, win);
if (win->area[0].fbdc_en) {
rk3368_fbdc_reg_update(&lcdc_dev->driver, win_id);
} else {
@@ -1185,6 +1237,7 @@ static int rk3368_win_2_3_reg_update(struct rk_lcdc_driver *dev_drv, int win_id)
if (win->state == 1) {
rk3368_lcdc_csc_mode(lcdc_dev, win);
rk3368_lcdc_axi_gather_cfg(lcdc_dev, win);
if (win->area[0].fbdc_en) {
rk3368_fbdc_reg_update(&lcdc_dev->driver, win_id);
} else {
@@ -1340,6 +1393,7 @@ static int rk3368_hwc_reg_update(struct rk_lcdc_driver *dev_drv, int win_id)
if (win->state == 1) {
rk3368_lcdc_csc_mode(lcdc_dev, win);
rk3368_lcdc_axi_gather_cfg(lcdc_dev, win);
mask = m_HWC_EN | m_HWC_DATA_FMT |
m_HWC_RB_SWAP | m_WIN0_CSC_MODE;
val = v_HWC_EN(1) | v_HWC_DATA_FMT(win->area[0].fmt_cfg) |