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drm/mediatek: add component DITHER

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This patch add component DITHER

Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
This commit is contained in:
Yongqiang Niu 2019-08-29 22:50:39 +08:00 committed by CK Hu
parent cefb6abfcc
commit 450aa87c73
2 changed files with 34 additions and 0 deletions
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32
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
View File

@ -39,6 +39,12 @@
#define CCORR_RELAY_MODE BIT(0)
#define DISP_CCORR_SIZE 0x0030
#define DISP_DITHER_EN 0x0000
#define DITHER_EN BIT(0)
#define DISP_DITHER_CFG 0x0020
#define DITHER_RELAY_MODE BIT(0)
#define DISP_DITHER_SIZE 0x0030
#define DISP_GAMMA_EN 0x0000
#define DISP_GAMMA_CFG 0x0020
#define DISP_GAMMA_SIZE 0x0030
@ -147,6 +153,24 @@ static void mtk_ccorr_stop(struct mtk_ddp_comp *comp)
writel_relaxed(0x0, comp->regs + DISP_CCORR_EN);
}
static void mtk_dither_config(struct mtk_ddp_comp *comp, unsigned int w,
unsigned int h, unsigned int vrefresh,
unsigned int bpc)
{
writel(h << 16 | w, comp->regs + DISP_DITHER_SIZE);
writel(DITHER_RELAY_MODE, comp->regs + DISP_DITHER_CFG);
}
static void mtk_dither_start(struct mtk_ddp_comp *comp)
{
writel(DITHER_EN, comp->regs + DISP_DITHER_EN);
}
static void mtk_dither_stop(struct mtk_ddp_comp *comp)
{
writel_relaxed(0x0, comp->regs + DISP_DITHER_EN);
}
static void mtk_gamma_config(struct mtk_ddp_comp *comp, unsigned int w,
unsigned int h, unsigned int vrefresh,
unsigned int bpc)
@ -201,6 +225,12 @@ static const struct mtk_ddp_comp_funcs ddp_ccorr = {
.stop = mtk_ccorr_stop,
};
static const struct mtk_ddp_comp_funcs ddp_dither = {
.config = mtk_dither_config,
.start = mtk_dither_start,
.stop = mtk_dither_stop,
};
static const struct mtk_ddp_comp_funcs ddp_gamma = {
.gamma_set = mtk_gamma_set,
.config = mtk_gamma_config,
@ -225,6 +255,7 @@ static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = {
[MTK_DISP_CCORR] = "ccorr",
[MTK_DISP_AAL] = "aal",
[MTK_DISP_GAMMA] = "gamma",
[MTK_DISP_DITHER] = "dither",
[MTK_DISP_UFOE] = "ufoe",
[MTK_DSI] = "dsi",
[MTK_DPI] = "dpi",
@ -247,6 +278,7 @@ static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = {
[DDP_COMPONENT_CCORR] = { MTK_DISP_CCORR, 0, &ddp_ccorr },
[DDP_COMPONENT_COLOR0] = { MTK_DISP_COLOR, 0, NULL },
[DDP_COMPONENT_COLOR1] = { MTK_DISP_COLOR, 1, NULL },
[DDP_COMPONENT_DITHER] = { MTK_DISP_DITHER, 0, &ddp_dither },
[DDP_COMPONENT_DPI0] = { MTK_DPI, 0, NULL },
[DDP_COMPONENT_DPI1] = { MTK_DPI, 1, NULL },
[DDP_COMPONENT_DSI0] = { MTK_DSI, 0, NULL },

2
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
View File

@ -21,6 +21,7 @@ enum mtk_ddp_comp_type {
MTK_DISP_WDMA,
MTK_DISP_COLOR,
MTK_DISP_CCORR,
MTK_DISP_DITHER,
MTK_DISP_AAL,
MTK_DISP_GAMMA,
MTK_DISP_UFOE,
@ -40,6 +41,7 @@ enum mtk_ddp_comp_id {
DDP_COMPONENT_CCORR,
DDP_COMPONENT_COLOR0,
DDP_COMPONENT_COLOR1,
DDP_COMPONENT_DITHER,
DDP_COMPONENT_DPI0,
DDP_COMPONENT_DPI1,
DDP_COMPONENT_DSI0,