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 11 struct device; 12 struct device_node; 13 struct drm_crtc; 14 struct drm_device; 15 struct mtk_plane_state; 16 struct drm_crtc_state; 17 18 enum mtk_ddp_comp_type { 19 MTK_DISP_OVL, 20 MTK_DISP_OVL_2L, 21 MTK_DISP_RDMA, 22 MTK_DISP_WDMA, 23 MTK_DISP_COLOR, 24 MTK_DISP_CCORR, 25 MTK_DISP_DITHER, 26 MTK_DISP_AAL, 27 MTK_DISP_GAMMA, 28 MTK_DISP_UFOE, 29 MTK_DSI, 30 MTK_DPI, 31 MTK_DISP_PWM, 32 MTK_DISP_MUTEX, 33 MTK_DISP_OD, 34 MTK_DISP_BLS, 35 MTK_DDP_COMP_TYPE_MAX, 36 }; 37 38 enum mtk_ddp_comp_id { 39 DDP_COMPONENT_AAL0, 40 DDP_COMPONENT_AAL1, 41 DDP_COMPONENT_BLS, 42 DDP_COMPONENT_CCORR, 43 DDP_COMPONENT_COLOR0, 44 DDP_COMPONENT_COLOR1, 45 DDP_COMPONENT_DITHER, 46 DDP_COMPONENT_DPI0, 47 DDP_COMPONENT_DPI1, 48 DDP_COMPONENT_DSI0, 49 DDP_COMPONENT_DSI1, 50 DDP_COMPONENT_DSI2, 51 DDP_COMPONENT_DSI3, 52 DDP_COMPONENT_GAMMA, 53 DDP_COMPONENT_OD0, 54 DDP_COMPONENT_OD1, 55 DDP_COMPONENT_OVL0, 56 DDP_COMPONENT_OVL_2L0, 57 DDP_COMPONENT_OVL_2L1, 58 DDP_COMPONENT_OVL1, 59 DDP_COMPONENT_PWM0, 60 DDP_COMPONENT_PWM1, 61 DDP_COMPONENT_PWM2, 62 DDP_COMPONENT_RDMA0, 63 DDP_COMPONENT_RDMA1, 64 DDP_COMPONENT_RDMA2, 65 DDP_COMPONENT_UFOE, 66 DDP_COMPONENT_WDMA0, 67 DDP_COMPONENT_WDMA1, 68 DDP_COMPONENT_ID_MAX, 69 }; 70 71 struct mtk_ddp_comp; 72 73 struct mtk_ddp_comp_funcs { 74 void (*config)(struct mtk_ddp_comp *comp, unsigned int w, 75 unsigned int h, unsigned int vrefresh, unsigned int bpc); 76 void (*start)(struct mtk_ddp_comp *comp); 77 void (*stop)(struct mtk_ddp_comp *comp); 78 void (*enable_vblank)(struct mtk_ddp_comp *comp, struct drm_crtc *crtc); 79 void (*disable_vblank)(struct mtk_ddp_comp *comp); 80 unsigned int (*supported_rotations)(struct mtk_ddp_comp *comp); 81 unsigned int (*layer_nr)(struct mtk_ddp_comp *comp); 82 void (*layer_on)(struct mtk_ddp_comp *comp, unsigned int idx); 83 void (*layer_off)(struct mtk_ddp_comp *comp, unsigned int idx); 84 int (*layer_check)(struct mtk_ddp_comp *comp, 85 unsigned int idx, 86 struct mtk_plane_state *state); 87 void (*layer_config)(struct mtk_ddp_comp *comp, unsigned int idx, 88 struct mtk_plane_state *state); 89 void (*gamma_set)(struct mtk_ddp_comp *comp, 90 struct drm_crtc_state *state); 91 void (*bgclr_in_on)(struct mtk_ddp_comp *comp); 92 void (*bgclr_in_off)(struct mtk_ddp_comp *comp); 93 }; 94 95 struct mtk_ddp_comp { 96 struct clk *clk; 97 void __iomem *regs; 98 int irq; 99 struct device *larb_dev; 100 enum mtk_ddp_comp_id id; 101 const struct mtk_ddp_comp_funcs *funcs; 102 }; 103 104 static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp, 105 unsigned int w, unsigned int h, 106 unsigned int vrefresh, unsigned int bpc) 107 { 108 if (comp->funcs && comp->funcs->config) 109 comp->funcs->config(comp, w, h, vrefresh, bpc); 110 } 111 112 static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp) 113 { 114 if (comp->funcs && comp->funcs->start) 115 comp->funcs->start(comp); 116 } 117 118 static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp) 119 { 120 if (comp->funcs && comp->funcs->stop) 121 comp->funcs->stop(comp); 122 } 123 124 static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp, 125 struct drm_crtc *crtc) 126 { 127 if (comp->funcs && comp->funcs->enable_vblank) 128 comp->funcs->enable_vblank(comp, crtc); 129 } 130 131 static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp) 132 { 133 if (comp->funcs && comp->funcs->disable_vblank) 134 comp->funcs->disable_vblank(comp); 135 } 136 137 static inline 138 unsigned int mtk_ddp_comp_supported_rotations(struct mtk_ddp_comp *comp) 139 { 140 if (comp->funcs && comp->funcs->supported_rotations) 141 return comp->funcs->supported_rotations(comp); 142 143 return 0; 144 } 145 146 static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp) 147 { 148 if (comp->funcs && comp->funcs->layer_nr) 149 return comp->funcs->layer_nr(comp); 150 151 return 0; 152 } 153 154 static inline void mtk_ddp_comp_layer_on(struct mtk_ddp_comp *comp, 155 unsigned int idx) 156 { 157 if (comp->funcs && comp->funcs->layer_on) 158 comp->funcs->layer_on(comp, idx); 159 } 160 161 static inline void mtk_ddp_comp_layer_off(struct mtk_ddp_comp *comp, 162 unsigned int idx) 163 { 164 if (comp->funcs && comp->funcs->layer_off) 165 comp->funcs->layer_off(comp, idx); 166 } 167 168 static inline int mtk_ddp_comp_layer_check(struct mtk_ddp_comp *comp, 169 unsigned int idx, 170 struct mtk_plane_state *state) 171 { 172 if (comp->funcs && comp->funcs->layer_check) 173 return comp->funcs->layer_check(comp, idx, state); 174 return 0; 175 } 176 177 static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp, 178 unsigned int idx, 179 struct mtk_plane_state *state) 180 { 181 if (comp->funcs && comp->funcs->layer_config) 182 comp->funcs->layer_config(comp, idx, state); 183 } 184 185 static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp, 186 struct drm_crtc_state *state) 187 { 188 if (comp->funcs && comp->funcs->gamma_set) 189 comp->funcs->gamma_set(comp, state); 190 } 191 192 static inline void mtk_ddp_comp_bgclr_in_on(struct mtk_ddp_comp *comp) 193 { 194 if (comp->funcs && comp->funcs->bgclr_in_on) 195 comp->funcs->bgclr_in_on(comp); 196 } 197 198 static inline void mtk_ddp_comp_bgclr_in_off(struct mtk_ddp_comp *comp) 199 { 200 if (comp->funcs && comp->funcs->bgclr_in_off) 201 comp->funcs->bgclr_in_off(comp); 202 } 203 204 int mtk_ddp_comp_get_id(struct device_node *node, 205 enum mtk_ddp_comp_type comp_type); 206 int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node, 207 struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id, 208 const struct mtk_ddp_comp_funcs *funcs); 209 int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp); 210 void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp); 211 void mtk_dither_set(struct mtk_ddp_comp *comp, unsigned int bpc, 212 unsigned int CFG); 213 214 #endif /* MTK_DRM_DDP_COMP_H */ 215