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 */ 205