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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * Copyright (c) 2015 MediaTek Inc.
- */
- #ifndef MTK_DRM_DDP_COMP_H
- #define MTK_DRM_DDP_COMP_H
- #include <linux/io.h>
- #include <linux/soc/mediatek/mtk-mmsys.h>
- struct device;
- struct device_node;
- struct drm_crtc;
- struct drm_device;
- struct mtk_plane_state;
- struct drm_crtc_state;
- enum mtk_ddp_comp_type {
- MTK_DISP_OVL,
- MTK_DISP_OVL_2L,
- MTK_DISP_RDMA,
- MTK_DISP_WDMA,
- MTK_DISP_COLOR,
- MTK_DISP_CCORR,
- MTK_DISP_DITHER,
- MTK_DISP_AAL,
- MTK_DISP_GAMMA,
- MTK_DISP_UFOE,
- MTK_DSI,
- MTK_DPI,
- MTK_DISP_PWM,
- MTK_DISP_MUTEX,
- MTK_DISP_OD,
- MTK_DISP_BLS,
- MTK_DDP_COMP_TYPE_MAX,
- };
- struct mtk_ddp_comp;
- struct cmdq_pkt;
- struct mtk_ddp_comp_funcs {
- void (*config)(struct mtk_ddp_comp *comp, unsigned int w,
- unsigned int h, unsigned int vrefresh,
- unsigned int bpc, struct cmdq_pkt *cmdq_pkt);
- void (*start)(struct mtk_ddp_comp *comp);
- void (*stop)(struct mtk_ddp_comp *comp);
- void (*enable_vblank)(struct mtk_ddp_comp *comp, struct drm_crtc *crtc);
- void (*disable_vblank)(struct mtk_ddp_comp *comp);
- unsigned int (*supported_rotations)(struct mtk_ddp_comp *comp);
- unsigned int (*layer_nr)(struct mtk_ddp_comp *comp);
- int (*layer_check)(struct mtk_ddp_comp *comp,
- unsigned int idx,
- struct mtk_plane_state *state);
- void (*layer_config)(struct mtk_ddp_comp *comp, unsigned int idx,
- struct mtk_plane_state *state,
- struct cmdq_pkt *cmdq_pkt);
- void (*gamma_set)(struct mtk_ddp_comp *comp,
- struct drm_crtc_state *state);
- void (*bgclr_in_on)(struct mtk_ddp_comp *comp);
- void (*bgclr_in_off)(struct mtk_ddp_comp *comp);
- void (*ctm_set)(struct mtk_ddp_comp *comp,
- struct drm_crtc_state *state);
- };
- struct mtk_ddp_comp {
- struct clk *clk;
- void __iomem *regs;
- int irq;
- struct device *larb_dev;
- enum mtk_ddp_comp_id id;
- const struct mtk_ddp_comp_funcs *funcs;
- resource_size_t regs_pa;
- u8 subsys;
- };
- static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
- unsigned int w, unsigned int h,
- unsigned int vrefresh, unsigned int bpc,
- struct cmdq_pkt *cmdq_pkt)
- {
- if (comp->funcs && comp->funcs->config)
- comp->funcs->config(comp, w, h, vrefresh, bpc, cmdq_pkt);
- }
- static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
- {
- if (comp->funcs && comp->funcs->start)
- comp->funcs->start(comp);
- }
- static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
- {
- if (comp->funcs && comp->funcs->stop)
- comp->funcs->stop(comp);
- }
- static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp,
- struct drm_crtc *crtc)
- {
- if (comp->funcs && comp->funcs->enable_vblank)
- comp->funcs->enable_vblank(comp, crtc);
- }
- static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
- {
- if (comp->funcs && comp->funcs->disable_vblank)
- comp->funcs->disable_vblank(comp);
- }
- static inline
- unsigned int mtk_ddp_comp_supported_rotations(struct mtk_ddp_comp *comp)
- {
- if (comp->funcs && comp->funcs->supported_rotations)
- return comp->funcs->supported_rotations(comp);
- return 0;
- }
- static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp)
- {
- if (comp->funcs && comp->funcs->layer_nr)
- return comp->funcs->layer_nr(comp);
- return 0;
- }
- static inline int mtk_ddp_comp_layer_check(struct mtk_ddp_comp *comp,
- unsigned int idx,
- struct mtk_plane_state *state)
- {
- if (comp->funcs && comp->funcs->layer_check)
- return comp->funcs->layer_check(comp, idx, state);
- return 0;
- }
- static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
- unsigned int idx,
- struct mtk_plane_state *state,
- struct cmdq_pkt *cmdq_pkt)
- {
- if (comp->funcs && comp->funcs->layer_config)
- comp->funcs->layer_config(comp, idx, state, cmdq_pkt);
- }
- static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
- struct drm_crtc_state *state)
- {
- if (comp->funcs && comp->funcs->gamma_set)
- comp->funcs->gamma_set(comp, state);
- }
- static inline void mtk_ddp_comp_bgclr_in_on(struct mtk_ddp_comp *comp)
- {
- if (comp->funcs && comp->funcs->bgclr_in_on)
- comp->funcs->bgclr_in_on(comp);
- }
- static inline void mtk_ddp_comp_bgclr_in_off(struct mtk_ddp_comp *comp)
- {
- if (comp->funcs && comp->funcs->bgclr_in_off)
- comp->funcs->bgclr_in_off(comp);
- }
- static inline void mtk_ddp_ctm_set(struct mtk_ddp_comp *comp,
- struct drm_crtc_state *state)
- {
- if (comp->funcs && comp->funcs->ctm_set)
- comp->funcs->ctm_set(comp, state);
- }
- int mtk_ddp_comp_get_id(struct device_node *node,
- enum mtk_ddp_comp_type comp_type);
- unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm,
- struct mtk_ddp_comp ddp_comp);
- int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node,
- struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id,
- const struct mtk_ddp_comp_funcs *funcs);
- int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp);
- void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp);
- void mtk_dither_set(struct mtk_ddp_comp *comp, unsigned int bpc,
- unsigned int CFG, struct cmdq_pkt *cmdq_pkt);
- enum mtk_ddp_comp_type mtk_ddp_comp_get_type(enum mtk_ddp_comp_id comp_id);
- void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value,
- struct mtk_ddp_comp *comp, unsigned int offset);
- void mtk_ddp_write_relaxed(struct cmdq_pkt *cmdq_pkt, unsigned int value,
- struct mtk_ddp_comp *comp, unsigned int offset);
- void mtk_ddp_write_mask(struct cmdq_pkt *cmdq_pkt, unsigned int value,
- struct mtk_ddp_comp *comp, unsigned int offset,
- unsigned int mask);
- #endif /* MTK_DRM_DDP_COMP_H */
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