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_DISP_BLS, 40 MTK_DDP_COMP_TYPE_MAX, 41 }; 42 43 enum mtk_ddp_comp_id { 44 DDP_COMPONENT_AAL, 45 DDP_COMPONENT_BLS, 46 DDP_COMPONENT_COLOR0, 47 DDP_COMPONENT_COLOR1, 48 DDP_COMPONENT_DPI0, 49 DDP_COMPONENT_DSI0, 50 DDP_COMPONENT_DSI1, 51 DDP_COMPONENT_GAMMA, 52 DDP_COMPONENT_OD, 53 DDP_COMPONENT_OVL0, 54 DDP_COMPONENT_OVL1, 55 DDP_COMPONENT_PWM0, 56 DDP_COMPONENT_PWM1, 57 DDP_COMPONENT_RDMA0, 58 DDP_COMPONENT_RDMA1, 59 DDP_COMPONENT_RDMA2, 60 DDP_COMPONENT_UFOE, 61 DDP_COMPONENT_WDMA0, 62 DDP_COMPONENT_WDMA1, 63 DDP_COMPONENT_ID_MAX, 64 }; 65 66 struct mtk_ddp_comp; 67 68 struct mtk_ddp_comp_funcs { 69 void (*config)(struct mtk_ddp_comp *comp, unsigned int w, 70 unsigned int h, unsigned int vrefresh, unsigned int bpc); 71 void (*start)(struct mtk_ddp_comp *comp); 72 void (*stop)(struct mtk_ddp_comp *comp); 73 void (*enable_vblank)(struct mtk_ddp_comp *comp, struct drm_crtc *crtc); 74 void (*disable_vblank)(struct mtk_ddp_comp *comp); 75 void (*layer_on)(struct mtk_ddp_comp *comp, unsigned int idx); 76 void (*layer_off)(struct mtk_ddp_comp *comp, unsigned int idx); 77 void (*layer_config)(struct mtk_ddp_comp *comp, unsigned int idx, 78 struct mtk_plane_state *state); 79 void (*gamma_set)(struct mtk_ddp_comp *comp, 80 struct drm_crtc_state *state); 81 }; 82 83 struct mtk_ddp_comp { 84 struct clk *clk; 85 void __iomem *regs; 86 int irq; 87 struct device *larb_dev; 88 enum mtk_ddp_comp_id id; 89 const struct mtk_ddp_comp_funcs *funcs; 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 { 96 if (comp->funcs && comp->funcs->config) 97 comp->funcs->config(comp, w, h, vrefresh, bpc); 98 } 99 100 static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp) 101 { 102 if (comp->funcs && comp->funcs->start) 103 comp->funcs->start(comp); 104 } 105 106 static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp) 107 { 108 if (comp->funcs && comp->funcs->stop) 109 comp->funcs->stop(comp); 110 } 111 112 static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp, 113 struct drm_crtc *crtc) 114 { 115 if (comp->funcs && comp->funcs->enable_vblank) 116 comp->funcs->enable_vblank(comp, crtc); 117 } 118 119 static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp) 120 { 121 if (comp->funcs && comp->funcs->disable_vblank) 122 comp->funcs->disable_vblank(comp); 123 } 124 125 static inline void mtk_ddp_comp_layer_on(struct mtk_ddp_comp *comp, 126 unsigned int idx) 127 { 128 if (comp->funcs && comp->funcs->layer_on) 129 comp->funcs->layer_on(comp, idx); 130 } 131 132 static inline void mtk_ddp_comp_layer_off(struct mtk_ddp_comp *comp, 133 unsigned int idx) 134 { 135 if (comp->funcs && comp->funcs->layer_off) 136 comp->funcs->layer_off(comp, idx); 137 } 138 139 static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp, 140 unsigned int idx, 141 struct mtk_plane_state *state) 142 { 143 if (comp->funcs && comp->funcs->layer_config) 144 comp->funcs->layer_config(comp, idx, state); 145 } 146 147 static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp, 148 struct drm_crtc_state *state) 149 { 150 if (comp->funcs && comp->funcs->gamma_set) 151 comp->funcs->gamma_set(comp, state); 152 } 153 154 int mtk_ddp_comp_get_id(struct device_node *node, 155 enum mtk_ddp_comp_type comp_type); 156 int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node, 157 struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id, 158 const struct mtk_ddp_comp_funcs *funcs); 159 int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp); 160 void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp); 161 void mtk_dither_set(struct mtk_ddp_comp *comp, unsigned int bpc, 162 unsigned int CFG); 163 164 #endif /* MTK_DRM_DDP_COMP_H */ 165