drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (c) 2015 MediaTek Inc.
   4  */
   5
   6 #ifndef MTK_DRM_DDP_COMP_H
   7 #define MTK_DRM_DDP_COMP_H
   8
   9 #include <linux/io.h>
  10 #include <linux/soc/mediatek/mtk-cmdq.h>
  11 #include <linux/soc/mediatek/mtk-mmsys.h>
  12
  13 struct device;
  14 struct device_node;
  15 struct drm_crtc;
  16 struct drm_device;
  17 struct mtk_plane_state;
  18 struct drm_crtc_state;
  19
  20 enum mtk_ddp_comp_type {
  21         MTK_DISP_AAL,
  22         MTK_DISP_BLS,
  23         MTK_DISP_CCORR,
  24         MTK_DISP_COLOR,
  25         MTK_DISP_DITHER,
  26         MTK_DISP_DSC,
  27         MTK_DISP_GAMMA,
  28         MTK_DISP_MERGE,
  29         MTK_DISP_MUTEX,
  30         MTK_DISP_OD,
  31         MTK_DISP_OVL,
  32         MTK_DISP_OVL_2L,
  33         MTK_DISP_POSTMASK,
  34         MTK_DISP_PWM,
  35         MTK_DISP_RDMA,
  36         MTK_DISP_UFOE,
  37         MTK_DISP_WDMA,
  38         MTK_DPI,
  39         MTK_DP_INTF,
  40         MTK_DSI,
  41         MTK_DDP_COMP_TYPE_MAX,
  42 };
  43
  44 struct mtk_ddp_comp;
  45 struct cmdq_pkt;
  46 struct mtk_ddp_comp_funcs {
  47         int (*clk_enable)(struct device *dev);
  48         void (*clk_disable)(struct device *dev);
  49         void (*config)(struct device *dev, unsigned int w,
  50                        unsigned int h, unsigned int vrefresh,
  51                        unsigned int bpc, struct cmdq_pkt *cmdq_pkt);
  52         void (*start)(struct device *dev);
  53         void (*stop)(struct device *dev);
  54         void (*register_vblank_cb)(struct device *dev,
  55                                    void (*vblank_cb)(void *),
  56                                    void *vblank_cb_data);
  57         void (*unregister_vblank_cb)(struct device *dev);
  58         void (*enable_vblank)(struct device *dev);
  59         void (*disable_vblank)(struct device *dev);
  60         unsigned int (*supported_rotations)(struct device *dev);
  61         unsigned int (*layer_nr)(struct device *dev);
  62         int (*layer_check)(struct device *dev,
  63                            unsigned int idx,
  64                            struct mtk_plane_state *state);
  65         void (*layer_config)(struct device *dev, unsigned int idx,
  66                              struct mtk_plane_state *state,
  67                              struct cmdq_pkt *cmdq_pkt);
  68         void (*gamma_set)(struct device *dev,
  69                           struct drm_crtc_state *state);
  70         void (*bgclr_in_on)(struct device *dev);
  71         void (*bgclr_in_off)(struct device *dev);
  72         void (*ctm_set)(struct device *dev,
  73                         struct drm_crtc_state *state);
  74 };
  75
  76 struct mtk_ddp_comp {
  77         struct device *dev;
  78         int irq;
  79         enum mtk_ddp_comp_id id;
  80         const struct mtk_ddp_comp_funcs *funcs;
  81 };
  82
  83 static inline int mtk_ddp_comp_clk_enable(struct mtk_ddp_comp *comp)
  84 {
  85         if (comp->funcs && comp->funcs->clk_enable)
  86                 return comp->funcs->clk_enable(comp->dev);
  87
  88         return 0;
  89 }
  90
  91 static inline void mtk_ddp_comp_clk_disable(struct mtk_ddp_comp *comp)
  92 {
  93         if (comp->funcs && comp->funcs->clk_disable)
  94                 comp->funcs->clk_disable(comp->dev);
  95 }
  96
  97 static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
  98                                        unsigned int w, unsigned int h,
  99                                        unsigned int vrefresh, unsigned int bpc,
 100                                        struct cmdq_pkt *cmdq_pkt)
 101 {
 102         if (comp->funcs && comp->funcs->config)
 103                 comp->funcs->config(comp->dev, w, h, vrefresh, bpc, cmdq_pkt);
 104 }
 105
 106 static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
 107 {
 108         if (comp->funcs && comp->funcs->start)
 109                 comp->funcs->start(comp->dev);
 110 }
 111
 112 static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
 113 {
 114         if (comp->funcs && comp->funcs->stop)
 115                 comp->funcs->stop(comp->dev);
 116 }
 117
 118 static inline void mtk_ddp_comp_register_vblank_cb(struct mtk_ddp_comp *comp,
 119                                                    void (*vblank_cb)(void *),
 120                                                    void *vblank_cb_data)
 121 {
 122         if (comp->funcs && comp->funcs->register_vblank_cb)
 123                 comp->funcs->register_vblank_cb(comp->dev, vblank_cb,
 124                                                 vblank_cb_data);
 125 }
 126
 127 static inline void mtk_ddp_comp_unregister_vblank_cb(struct mtk_ddp_comp *comp)
 128 {
 129         if (comp->funcs && comp->funcs->unregister_vblank_cb)
 130                 comp->funcs->unregister_vblank_cb(comp->dev);
 131 }
 132
 133 static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp)
 134 {
 135         if (comp->funcs && comp->funcs->enable_vblank)
 136                 comp->funcs->enable_vblank(comp->dev);
 137 }
 138
 139 static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
 140 {
 141         if (comp->funcs && comp->funcs->disable_vblank)
 142                 comp->funcs->disable_vblank(comp->dev);
 143 }
 144
 145 static inline
 146 unsigned int mtk_ddp_comp_supported_rotations(struct mtk_ddp_comp *comp)
 147 {
 148         if (comp->funcs && comp->funcs->supported_rotations)
 149                 return comp->funcs->supported_rotations(comp->dev);
 150
 151         return 0;
 152 }
 153
 154 static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp)
 155 {
 156         if (comp->funcs && comp->funcs->layer_nr)
 157                 return comp->funcs->layer_nr(comp->dev);
 158
 159         return 0;
 160 }
 161
 162 static inline int mtk_ddp_comp_layer_check(struct mtk_ddp_comp *comp,
 163                                            unsigned int idx,
 164                                            struct mtk_plane_state *state)
 165 {
 166         if (comp->funcs && comp->funcs->layer_check)
 167                 return comp->funcs->layer_check(comp->dev, idx, state);
 168         return 0;
 169 }
 170
 171 static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
 172                                              unsigned int idx,
 173                                              struct mtk_plane_state *state,
 174                                              struct cmdq_pkt *cmdq_pkt)
 175 {
 176         if (comp->funcs && comp->funcs->layer_config)
 177                 comp->funcs->layer_config(comp->dev, idx, state, cmdq_pkt);
 178 }
 179
 180 static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
 181                                      struct drm_crtc_state *state)
 182 {
 183         if (comp->funcs && comp->funcs->gamma_set)
 184                 comp->funcs->gamma_set(comp->dev, state);
 185 }
 186
 187 static inline void mtk_ddp_comp_bgclr_in_on(struct mtk_ddp_comp *comp)
 188 {
 189         if (comp->funcs && comp->funcs->bgclr_in_on)
 190                 comp->funcs->bgclr_in_on(comp->dev);
 191 }
 192
 193 static inline void mtk_ddp_comp_bgclr_in_off(struct mtk_ddp_comp *comp)
 194 {
 195         if (comp->funcs && comp->funcs->bgclr_in_off)
 196                 comp->funcs->bgclr_in_off(comp->dev);
 197 }
 198
 199 static inline void mtk_ddp_ctm_set(struct mtk_ddp_comp *comp,
 200                                    struct drm_crtc_state *state)
 201 {
 202         if (comp->funcs && comp->funcs->ctm_set)
 203                 comp->funcs->ctm_set(comp->dev, state);
 204 }
 205
 206 int mtk_ddp_comp_get_id(struct device_node *node,
 207                         enum mtk_ddp_comp_type comp_type);
 208 unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm,
 209                                                 struct device *dev);
 210 int mtk_ddp_comp_init(struct device_node *comp_node, struct mtk_ddp_comp *comp,
 211                       enum mtk_ddp_comp_id comp_id);
 212 enum mtk_ddp_comp_type mtk_ddp_comp_get_type(enum mtk_ddp_comp_id comp_id);
 213 void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value,
 214                    struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
 215                    unsigned int offset);
 216 void mtk_ddp_write_relaxed(struct cmdq_pkt *cmdq_pkt, unsigned int value,
 217                            struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
 218                            unsigned int offset);
 219 void mtk_ddp_write_mask(struct cmdq_pkt *cmdq_pkt, unsigned int value,
 220                         struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
 221                         unsigned int offset, unsigned int mask);
 222 #endif /* MTK_DRM_DDP_COMP_H */