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-mmsys.h> 11 12 struct device; 13 struct device_node; 14 struct drm_crtc; 15 struct drm_device; 16 struct mtk_plane_state; 17 struct drm_crtc_state; 18 19 enum mtk_ddp_comp_type { 20 MTK_DISP_OVL, 21 MTK_DISP_OVL_2L, 22 MTK_DISP_RDMA, 23 MTK_DISP_WDMA, 24 MTK_DISP_COLOR, 25 MTK_DISP_CCORR, 26 MTK_DISP_DITHER, 27 MTK_DISP_AAL, 28 MTK_DISP_GAMMA, 29 MTK_DISP_UFOE, 30 MTK_DSI, 31 MTK_DPI, 32 MTK_DISP_PWM, 33 MTK_DISP_MUTEX, 34 MTK_DISP_OD, 35 MTK_DISP_BLS, 36 MTK_DDP_COMP_TYPE_MAX, 37 }; 38 39 struct mtk_ddp_comp; 40 struct cmdq_pkt; 41 struct mtk_ddp_comp_funcs { 42 void (*config)(struct mtk_ddp_comp *comp, unsigned int w, 43 unsigned int h, unsigned int vrefresh, 44 unsigned int bpc, struct cmdq_pkt *cmdq_pkt); 45 void (*start)(struct mtk_ddp_comp *comp); 46 void (*stop)(struct mtk_ddp_comp *comp); 47 void (*enable_vblank)(struct mtk_ddp_comp *comp, struct drm_crtc *crtc); 48 void (*disable_vblank)(struct mtk_ddp_comp *comp); 49 unsigned int (*supported_rotations)(struct mtk_ddp_comp *comp); 50 unsigned int (*layer_nr)(struct mtk_ddp_comp *comp); 51 int (*layer_check)(struct mtk_ddp_comp *comp, 52 unsigned int idx, 53 struct mtk_plane_state *state); 54 void (*layer_config)(struct mtk_ddp_comp *comp, unsigned int idx, 55 struct mtk_plane_state *state, 56 struct cmdq_pkt *cmdq_pkt); 57 void (*gamma_set)(struct mtk_ddp_comp *comp, 58 struct drm_crtc_state *state); 59 void (*bgclr_in_on)(struct mtk_ddp_comp *comp); 60 void (*bgclr_in_off)(struct mtk_ddp_comp *comp); 61 void (*ctm_set)(struct mtk_ddp_comp *comp, 62 struct drm_crtc_state *state); 63 }; 64 65 struct mtk_ddp_comp { 66 struct clk *clk; 67 void __iomem *regs; 68 int irq; 69 struct device *larb_dev; 70 enum mtk_ddp_comp_id id; 71 const struct mtk_ddp_comp_funcs *funcs; 72 resource_size_t regs_pa; 73 u8 subsys; 74 }; 75 76 static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp, 77 unsigned int w, unsigned int h, 78 unsigned int vrefresh, unsigned int bpc, 79 struct cmdq_pkt *cmdq_pkt) 80 { 81 if (comp->funcs && comp->funcs->config) 82 comp->funcs->config(comp, w, h, vrefresh, bpc, cmdq_pkt); 83 } 84 85 static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp) 86 { 87 if (comp->funcs && comp->funcs->start) 88 comp->funcs->start(comp); 89 } 90 91 static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp) 92 { 93 if (comp->funcs && comp->funcs->stop) 94 comp->funcs->stop(comp); 95 } 96 97 static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp, 98 struct drm_crtc *crtc) 99 { 100 if (comp->funcs && comp->funcs->enable_vblank) 101 comp->funcs->enable_vblank(comp, crtc); 102 } 103 104 static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp) 105 { 106 if (comp->funcs && comp->funcs->disable_vblank) 107 comp->funcs->disable_vblank(comp); 108 } 109 110 static inline 111 unsigned int mtk_ddp_comp_supported_rotations(struct mtk_ddp_comp *comp) 112 { 113 if (comp->funcs && comp->funcs->supported_rotations) 114 return comp->funcs->supported_rotations(comp); 115 116 return 0; 117 } 118 119 static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp) 120 { 121 if (comp->funcs && comp->funcs->layer_nr) 122 return comp->funcs->layer_nr(comp); 123 124 return 0; 125 } 126 127 static inline int mtk_ddp_comp_layer_check(struct mtk_ddp_comp *comp, 128 unsigned int idx, 129 struct mtk_plane_state *state) 130 { 131 if (comp->funcs && comp->funcs->layer_check) 132 return comp->funcs->layer_check(comp, idx, state); 133 return 0; 134 } 135 136 static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp, 137 unsigned int idx, 138 struct mtk_plane_state *state, 139 struct cmdq_pkt *cmdq_pkt) 140 { 141 if (comp->funcs && comp->funcs->layer_config) 142 comp->funcs->layer_config(comp, idx, state, cmdq_pkt); 143 } 144 145 static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp, 146 struct drm_crtc_state *state) 147 { 148 if (comp->funcs && comp->funcs->gamma_set) 149 comp->funcs->gamma_set(comp, state); 150 } 151 152 static inline void mtk_ddp_comp_bgclr_in_on(struct mtk_ddp_comp *comp) 153 { 154 if (comp->funcs && comp->funcs->bgclr_in_on) 155 comp->funcs->bgclr_in_on(comp); 156 } 157 158 static inline void mtk_ddp_comp_bgclr_in_off(struct mtk_ddp_comp *comp) 159 { 160 if (comp->funcs && comp->funcs->bgclr_in_off) 161 comp->funcs->bgclr_in_off(comp); 162 } 163 164 static inline void mtk_ddp_ctm_set(struct mtk_ddp_comp *comp, 165 struct drm_crtc_state *state) 166 { 167 if (comp->funcs && comp->funcs->ctm_set) 168 comp->funcs->ctm_set(comp, state); 169 } 170 171 int mtk_ddp_comp_get_id(struct device_node *node, 172 enum mtk_ddp_comp_type comp_type); 173 unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm, 174 struct mtk_ddp_comp ddp_comp); 175 int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node, 176 struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id, 177 const struct mtk_ddp_comp_funcs *funcs); 178 int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp); 179 void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp); 180 void mtk_dither_set(struct mtk_ddp_comp *comp, unsigned int bpc, 181 unsigned int CFG, struct cmdq_pkt *cmdq_pkt); 182 enum mtk_ddp_comp_type mtk_ddp_comp_get_type(enum mtk_ddp_comp_id comp_id); 183 void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value, 184 struct mtk_ddp_comp *comp, unsigned int offset); 185 void mtk_ddp_write_relaxed(struct cmdq_pkt *cmdq_pkt, unsigned int value, 186 struct mtk_ddp_comp *comp, unsigned int offset); 187 void mtk_ddp_write_mask(struct cmdq_pkt *cmdq_pkt, unsigned int value, 188 struct mtk_ddp_comp *comp, unsigned int offset, 189 unsigned int mask); 190 #endif /* MTK_DRM_DDP_COMP_H */ 191