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_DSC, 27 MTK_DISP_GAMMA, 28 MTK_DISP_MERGE, 29 MTK_DISP_MUTEX, 30 MTK_DISP_OD, 31 MTK_DISP_OVL, 32 MTK_DISP_OVL_2L, 33 MTK_DISP_POSTMASK, 34 MTK_DISP_PWM, 35 MTK_DISP_RDMA, 36 MTK_DISP_UFOE, 37 MTK_DISP_WDMA, 38 MTK_DPI, 39 MTK_DP_INTF, 40 MTK_DSI, 41 MTK_DDP_COMP_TYPE_MAX, 42 }; 43 44 struct mtk_ddp_comp; 45 struct cmdq_pkt; 46 struct mtk_ddp_comp_funcs { 47 int (*clk_enable)(struct device *dev); 48 void (*clk_disable)(struct device *dev); 49 void (*config)(struct device *dev, unsigned int w, 50 unsigned int h, unsigned int vrefresh, 51 unsigned int bpc, struct cmdq_pkt *cmdq_pkt); 52 void (*start)(struct device *dev); 53 void (*stop)(struct device *dev); 54 void (*register_vblank_cb)(struct device *dev, 55 void (*vblank_cb)(void *), 56 void *vblank_cb_data); 57 void (*unregister_vblank_cb)(struct device *dev); 58 void (*enable_vblank)(struct device *dev); 59 void (*disable_vblank)(struct device *dev); 60 unsigned int (*supported_rotations)(struct device *dev); 61 unsigned int (*layer_nr)(struct device *dev); 62 int (*layer_check)(struct device *dev, 63 unsigned int idx, 64 struct mtk_plane_state *state); 65 void (*layer_config)(struct device *dev, unsigned int idx, 66 struct mtk_plane_state *state, 67 struct cmdq_pkt *cmdq_pkt); 68 void (*gamma_set)(struct device *dev, 69 struct drm_crtc_state *state); 70 void (*bgclr_in_on)(struct device *dev); 71 void (*bgclr_in_off)(struct device *dev); 72 void (*ctm_set)(struct device *dev, 73 struct drm_crtc_state *state); 74 }; 75 76 struct mtk_ddp_comp { 77 struct device *dev; 78 int irq; 79 enum mtk_ddp_comp_id id; 80 const struct mtk_ddp_comp_funcs *funcs; 81 }; 82 83 static inline int mtk_ddp_comp_clk_enable(struct mtk_ddp_comp *comp) 84 { 85 if (comp->funcs && comp->funcs->clk_enable) 86 return comp->funcs->clk_enable(comp->dev); 87 88 return 0; 89 } 90 91 static inline void mtk_ddp_comp_clk_disable(struct mtk_ddp_comp *comp) 92 { 93 if (comp->funcs && comp->funcs->clk_disable) 94 comp->funcs->clk_disable(comp->dev); 95 } 96 97 static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp, 98 unsigned int w, unsigned int h, 99 unsigned int vrefresh, unsigned int bpc, 100 struct cmdq_pkt *cmdq_pkt) 101 { 102 if (comp->funcs && comp->funcs->config) 103 comp->funcs->config(comp->dev, w, h, vrefresh, bpc, cmdq_pkt); 104 } 105 106 static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp) 107 { 108 if (comp->funcs && comp->funcs->start) 109 comp->funcs->start(comp->dev); 110 } 111 112 static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp) 113 { 114 if (comp->funcs && comp->funcs->stop) 115 comp->funcs->stop(comp->dev); 116 } 117 118 static inline void mtk_ddp_comp_register_vblank_cb(struct mtk_ddp_comp *comp, 119 void (*vblank_cb)(void *), 120 void *vblank_cb_data) 121 { 122 if (comp->funcs && comp->funcs->register_vblank_cb) 123 comp->funcs->register_vblank_cb(comp->dev, vblank_cb, 124 vblank_cb_data); 125 } 126 127 static inline void mtk_ddp_comp_unregister_vblank_cb(struct mtk_ddp_comp *comp) 128 { 129 if (comp->funcs && comp->funcs->unregister_vblank_cb) 130 comp->funcs->unregister_vblank_cb(comp->dev); 131 } 132 133 static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp) 134 { 135 if (comp->funcs && comp->funcs->enable_vblank) 136 comp->funcs->enable_vblank(comp->dev); 137 } 138 139 static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp) 140 { 141 if (comp->funcs && comp->funcs->disable_vblank) 142 comp->funcs->disable_vblank(comp->dev); 143 } 144 145 static inline 146 unsigned int mtk_ddp_comp_supported_rotations(struct mtk_ddp_comp *comp) 147 { 148 if (comp->funcs && comp->funcs->supported_rotations) 149 return comp->funcs->supported_rotations(comp->dev); 150 151 return 0; 152 } 153 154 static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp) 155 { 156 if (comp->funcs && comp->funcs->layer_nr) 157 return comp->funcs->layer_nr(comp->dev); 158 159 return 0; 160 } 161 162 static inline int mtk_ddp_comp_layer_check(struct mtk_ddp_comp *comp, 163 unsigned int idx, 164 struct mtk_plane_state *state) 165 { 166 if (comp->funcs && comp->funcs->layer_check) 167 return comp->funcs->layer_check(comp->dev, idx, state); 168 return 0; 169 } 170 171 static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp, 172 unsigned int idx, 173 struct mtk_plane_state *state, 174 struct cmdq_pkt *cmdq_pkt) 175 { 176 if (comp->funcs && comp->funcs->layer_config) 177 comp->funcs->layer_config(comp->dev, idx, state, cmdq_pkt); 178 } 179 180 static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp, 181 struct drm_crtc_state *state) 182 { 183 if (comp->funcs && comp->funcs->gamma_set) 184 comp->funcs->gamma_set(comp->dev, state); 185 } 186 187 static inline void mtk_ddp_comp_bgclr_in_on(struct mtk_ddp_comp *comp) 188 { 189 if (comp->funcs && comp->funcs->bgclr_in_on) 190 comp->funcs->bgclr_in_on(comp->dev); 191 } 192 193 static inline void mtk_ddp_comp_bgclr_in_off(struct mtk_ddp_comp *comp) 194 { 195 if (comp->funcs && comp->funcs->bgclr_in_off) 196 comp->funcs->bgclr_in_off(comp->dev); 197 } 198 199 static inline void mtk_ddp_ctm_set(struct mtk_ddp_comp *comp, 200 struct drm_crtc_state *state) 201 { 202 if (comp->funcs && comp->funcs->ctm_set) 203 comp->funcs->ctm_set(comp->dev, state); 204 } 205 206 int mtk_ddp_comp_get_id(struct device_node *node, 207 enum mtk_ddp_comp_type comp_type); 208 unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm, 209 struct device *dev); 210 int mtk_ddp_comp_init(struct device_node *comp_node, struct mtk_ddp_comp *comp, 211 enum mtk_ddp_comp_id comp_id); 212 enum mtk_ddp_comp_type mtk_ddp_comp_get_type(enum mtk_ddp_comp_id comp_id); 213 void mtk_ddp_write(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_relaxed(struct cmdq_pkt *cmdq_pkt, unsigned int value, 217 struct cmdq_client_reg *cmdq_reg, void __iomem *regs, 218 unsigned int offset); 219 void mtk_ddp_write_mask(struct cmdq_pkt *cmdq_pkt, unsigned int value, 220 struct cmdq_client_reg *cmdq_reg, void __iomem *regs, 221 unsigned int offset, unsigned int mask); 222 #endif /* MTK_DRM_DDP_COMP_H */ 223