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