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