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