1 /* 2 * Copyright (c) 2015 MediaTek Inc. 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 */ 13 14 #ifndef MTK_DRM_DDP_COMP_H 15 #define MTK_DRM_DDP_COMP_H 16 17 #include <linux/io.h> 18 19 struct device; 20 struct device_node; 21 struct drm_crtc; 22 struct drm_device; 23 struct mtk_plane_state; 24 struct drm_crtc_state; 25 26 enum mtk_ddp_comp_type { 27 MTK_DISP_OVL, 28 MTK_DISP_RDMA, 29 MTK_DISP_WDMA, 30 MTK_DISP_COLOR, 31 MTK_DISP_AAL, 32 MTK_DISP_GAMMA, 33 MTK_DISP_UFOE, 34 MTK_DSI, 35 MTK_DPI, 36 MTK_DISP_PWM, 37 MTK_DISP_MUTEX, 38 MTK_DISP_OD, 39 MTK_DDP_COMP_TYPE_MAX, 40 }; 41 42 enum mtk_ddp_comp_id { 43 DDP_COMPONENT_AAL, 44 DDP_COMPONENT_COLOR0, 45 DDP_COMPONENT_COLOR1, 46 DDP_COMPONENT_DPI0, 47 DDP_COMPONENT_DSI0, 48 DDP_COMPONENT_DSI1, 49 DDP_COMPONENT_GAMMA, 50 DDP_COMPONENT_OD, 51 DDP_COMPONENT_OVL0, 52 DDP_COMPONENT_OVL1, 53 DDP_COMPONENT_PWM0, 54 DDP_COMPONENT_PWM1, 55 DDP_COMPONENT_RDMA0, 56 DDP_COMPONENT_RDMA1, 57 DDP_COMPONENT_RDMA2, 58 DDP_COMPONENT_UFOE, 59 DDP_COMPONENT_WDMA0, 60 DDP_COMPONENT_WDMA1, 61 DDP_COMPONENT_ID_MAX, 62 }; 63 64 struct mtk_ddp_comp; 65 66 struct mtk_ddp_comp_funcs { 67 void (*config)(struct mtk_ddp_comp *comp, unsigned int w, 68 unsigned int h, unsigned int vrefresh, unsigned int bpc); 69 void (*start)(struct mtk_ddp_comp *comp); 70 void (*stop)(struct mtk_ddp_comp *comp); 71 void (*enable_vblank)(struct mtk_ddp_comp *comp, struct drm_crtc *crtc); 72 void (*disable_vblank)(struct mtk_ddp_comp *comp); 73 void (*layer_on)(struct mtk_ddp_comp *comp, unsigned int idx); 74 void (*layer_off)(struct mtk_ddp_comp *comp, unsigned int idx); 75 void (*layer_config)(struct mtk_ddp_comp *comp, unsigned int idx, 76 struct mtk_plane_state *state); 77 void (*gamma_set)(struct mtk_ddp_comp *comp, 78 struct drm_crtc_state *state); 79 }; 80 81 struct mtk_ddp_comp { 82 struct clk *clk; 83 void __iomem *regs; 84 int irq; 85 struct device *larb_dev; 86 enum mtk_ddp_comp_id id; 87 const struct mtk_ddp_comp_funcs *funcs; 88 }; 89 90 static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp, 91 unsigned int w, unsigned int h, 92 unsigned int vrefresh, unsigned int bpc) 93 { 94 if (comp->funcs && comp->funcs->config) 95 comp->funcs->config(comp, w, h, vrefresh, bpc); 96 } 97 98 static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp) 99 { 100 if (comp->funcs && comp->funcs->start) 101 comp->funcs->start(comp); 102 } 103 104 static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp) 105 { 106 if (comp->funcs && comp->funcs->stop) 107 comp->funcs->stop(comp); 108 } 109 110 static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp, 111 struct drm_crtc *crtc) 112 { 113 if (comp->funcs && comp->funcs->enable_vblank) 114 comp->funcs->enable_vblank(comp, crtc); 115 } 116 117 static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp) 118 { 119 if (comp->funcs && comp->funcs->disable_vblank) 120 comp->funcs->disable_vblank(comp); 121 } 122 123 static inline void mtk_ddp_comp_layer_on(struct mtk_ddp_comp *comp, 124 unsigned int idx) 125 { 126 if (comp->funcs && comp->funcs->layer_on) 127 comp->funcs->layer_on(comp, idx); 128 } 129 130 static inline void mtk_ddp_comp_layer_off(struct mtk_ddp_comp *comp, 131 unsigned int idx) 132 { 133 if (comp->funcs && comp->funcs->layer_off) 134 comp->funcs->layer_off(comp, idx); 135 } 136 137 static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp, 138 unsigned int idx, 139 struct mtk_plane_state *state) 140 { 141 if (comp->funcs && comp->funcs->layer_config) 142 comp->funcs->layer_config(comp, idx, state); 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 int mtk_ddp_comp_get_id(struct device_node *node, 153 enum mtk_ddp_comp_type comp_type); 154 int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node, 155 struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id, 156 const struct mtk_ddp_comp_funcs *funcs); 157 int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp); 158 void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp); 159 void mtk_dither_set(struct mtk_ddp_comp *comp, unsigned int bpc, 160 unsigned int CFG); 161 162 #endif /* MTK_DRM_DDP_COMP_H */ 163