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 */ 220