diff options
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 69 |
1 files changed, 60 insertions, 9 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index 48cc01fd20c7..8b52416b6e41 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -39,9 +39,11 @@ #define DISP_REG_UFO_START 0x0000 #define DISP_COLOR_CFG_MAIN 0x0400 -#define DISP_COLOR_START 0x0c00 -#define DISP_COLOR_WIDTH 0x0c50 -#define DISP_COLOR_HEIGHT 0x0c54 +#define DISP_COLOR_START_MT2701 0x0f00 +#define DISP_COLOR_START_MT8173 0x0c00 +#define DISP_COLOR_START(comp) ((comp)->data->color_offset) +#define DISP_COLOR_WIDTH(comp) (DISP_COLOR_START(comp) + 0x50) +#define DISP_COLOR_HEIGHT(comp) (DISP_COLOR_START(comp) + 0x54) #define DISP_AAL_EN 0x0000 #define DISP_AAL_SIZE 0x0030 @@ -80,6 +82,20 @@ #define DITHER_ADD_LSHIFT_G(x) (((x) & 0x7) << 4) #define DITHER_ADD_RSHIFT_G(x) (((x) & 0x7) << 0) +struct mtk_disp_color_data { + unsigned int color_offset; +}; + +struct mtk_disp_color { + struct mtk_ddp_comp ddp_comp; + const struct mtk_disp_color_data *data; +}; + +static inline struct mtk_disp_color *comp_to_color(struct mtk_ddp_comp *comp) +{ + return container_of(comp, struct mtk_disp_color, ddp_comp); +} + void mtk_dither_set(struct mtk_ddp_comp *comp, unsigned int bpc, unsigned int CFG) { @@ -107,15 +123,19 @@ static void mtk_color_config(struct mtk_ddp_comp *comp, unsigned int w, unsigned int h, unsigned int vrefresh, unsigned int bpc) { - writel(w, comp->regs + DISP_COLOR_WIDTH); - writel(h, comp->regs + DISP_COLOR_HEIGHT); + struct mtk_disp_color *color = comp_to_color(comp); + + writel(w, comp->regs + DISP_COLOR_WIDTH(color)); + writel(h, comp->regs + DISP_COLOR_HEIGHT(color)); } static void mtk_color_start(struct mtk_ddp_comp *comp) { + struct mtk_disp_color *color = comp_to_color(comp); + writel(COLOR_BYPASS_ALL | COLOR_SEQ_SEL, comp->regs + DISP_COLOR_CFG_MAIN); - writel(0x1, comp->regs + DISP_COLOR_START); + writel(0x1, comp->regs + DISP_COLOR_START(color)); } static void mtk_od_config(struct mtk_ddp_comp *comp, unsigned int w, @@ -236,6 +256,7 @@ static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = { [MTK_DISP_PWM] = "pwm", [MTK_DISP_MUTEX] = "mutex", [MTK_DISP_OD] = "od", + [MTK_DISP_BLS] = "bls", }; struct mtk_ddp_comp_match { @@ -246,6 +267,7 @@ struct mtk_ddp_comp_match { static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_AAL] = { MTK_DISP_AAL, 0, &ddp_aal }, + [DDP_COMPONENT_BLS] = { MTK_DISP_BLS, 0, NULL }, [DDP_COMPONENT_COLOR0] = { MTK_DISP_COLOR, 0, &ddp_color }, [DDP_COMPONENT_COLOR1] = { MTK_DISP_COLOR, 1, &ddp_color }, [DDP_COMPONENT_DPI0] = { MTK_DPI, 0, NULL }, @@ -264,6 +286,22 @@ static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = { [DDP_COMPONENT_WDMA1] = { MTK_DISP_WDMA, 1, NULL }, }; +static const struct mtk_disp_color_data mt2701_color_driver_data = { + .color_offset = DISP_COLOR_START_MT2701, +}; + +static const struct mtk_disp_color_data mt8173_color_driver_data = { + .color_offset = DISP_COLOR_START_MT8173, +}; + +static const struct of_device_id mtk_disp_color_driver_dt_match[] = { + { .compatible = "mediatek,mt2701-disp-color", + .data = &mt2701_color_driver_data}, + { .compatible = "mediatek,mt8173-disp-color", + .data = &mt8173_color_driver_data}, + {}, +}; + int mtk_ddp_comp_get_id(struct device_node *node, enum mtk_ddp_comp_type comp_type) { @@ -286,14 +324,29 @@ int mtk_ddp_comp_init(struct device *dev, struct device_node *node, enum mtk_ddp_comp_type type; struct device_node *larb_node; struct platform_device *larb_pdev; + const struct of_device_id *match; + struct mtk_disp_color *color; if (comp_id < 0 || comp_id >= DDP_COMPONENT_ID_MAX) return -EINVAL; + type = mtk_ddp_matches[comp_id].type; + if (type == MTK_DISP_COLOR) { + devm_kfree(dev, comp); + color = devm_kzalloc(dev, sizeof(*color), GFP_KERNEL); + if (!color) + return -ENOMEM; + + match = of_match_node(mtk_disp_color_driver_dt_match, node); + color->data = match->data; + comp = &color->ddp_comp; + } + comp->id = comp_id; comp->funcs = funcs ?: mtk_ddp_matches[comp_id].funcs; - if (comp_id == DDP_COMPONENT_DPI0 || + if (comp_id == DDP_COMPONENT_BLS || + comp_id == DDP_COMPONENT_DPI0 || comp_id == DDP_COMPONENT_DSI0 || comp_id == DDP_COMPONENT_PWM0) { comp->regs = NULL; @@ -308,8 +361,6 @@ int mtk_ddp_comp_init(struct device *dev, struct device_node *node, if (IS_ERR(comp->clk)) comp->clk = NULL; - type = mtk_ddp_matches[comp_id].type; - /* Only DMA capable components need the LARB property */ comp->larb_dev = NULL; if (type != MTK_DISP_OVL && |