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_AAL0, 45 DDP_COMPONENT_AAL1, 46 DDP_COMPONENT_BLS, 47 DDP_COMPONENT_COLOR0, 48 DDP_COMPONENT_COLOR1, 49 DDP_COMPONENT_DPI0, 50 DDP_COMPONENT_DPI1, 51 DDP_COMPONENT_DSI0, 52 DDP_COMPONENT_DSI1, 53 DDP_COMPONENT_DSI2, 54 DDP_COMPONENT_DSI3, 55 DDP_COMPONENT_GAMMA, 56 DDP_COMPONENT_OD0, 57 DDP_COMPONENT_OD1, 58 DDP_COMPONENT_OVL0, 59 DDP_COMPONENT_OVL1, 60 DDP_COMPONENT_PWM0, 61 DDP_COMPONENT_PWM1, 62 DDP_COMPONENT_PWM2, 63 DDP_COMPONENT_RDMA0, 64 DDP_COMPONENT_RDMA1, 65 DDP_COMPONENT_RDMA2, 66 DDP_COMPONENT_UFOE, 67 DDP_COMPONENT_WDMA0, 68 DDP_COMPONENT_WDMA1, 69 DDP_COMPONENT_ID_MAX, 70 }; 71 72 struct mtk_ddp_comp; 73 74 struct mtk_ddp_comp_funcs { 75 void (*config)(struct mtk_ddp_comp *comp, unsigned int w, 76 unsigned int h, unsigned int vrefresh, unsigned int bpc); 77 void (*start)(struct mtk_ddp_comp *comp); 78 void (*stop)(struct mtk_ddp_comp *comp); 79 void (*enable_vblank)(struct mtk_ddp_comp *comp, struct drm_crtc *crtc); 80 void (*disable_vblank)(struct mtk_ddp_comp *comp); 81 void (*layer_on)(struct mtk_ddp_comp *comp, unsigned int idx); 82 void (*layer_off)(struct mtk_ddp_comp *comp, unsigned int idx); 83 void (*layer_config)(struct mtk_ddp_comp *comp, unsigned int idx, 84 struct mtk_plane_state *state); 85 void (*gamma_set)(struct mtk_ddp_comp *comp, 86 struct drm_crtc_state *state); 87 }; 88 89 struct mtk_ddp_comp { 90 struct clk *clk; 91 void __iomem *regs; 92 int irq; 93 struct device *larb_dev; 94 enum mtk_ddp_comp_id id; 95 const struct mtk_ddp_comp_funcs *funcs; 96 }; 97 98 static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp, 99 unsigned int w, unsigned int h, 100 unsigned int vrefresh, unsigned int bpc) 101 { 102 if (comp->funcs && comp->funcs->config) 103 comp->funcs->config(comp, w, h, vrefresh, bpc); 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); 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); 116 } 117 118 static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp, 119 struct drm_crtc *crtc) 120 { 121 if (comp->funcs && comp->funcs->enable_vblank) 122 comp->funcs->enable_vblank(comp, crtc); 123 } 124 125 static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp) 126 { 127 if (comp->funcs && comp->funcs->disable_vblank) 128 comp->funcs->disable_vblank(comp); 129 } 130 131 static inline void mtk_ddp_comp_layer_on(struct mtk_ddp_comp *comp, 132 unsigned int idx) 133 { 134 if (comp->funcs && comp->funcs->layer_on) 135 comp->funcs->layer_on(comp, idx); 136 } 137 138 static inline void mtk_ddp_comp_layer_off(struct mtk_ddp_comp *comp, 139 unsigned int idx) 140 { 141 if (comp->funcs && comp->funcs->layer_off) 142 comp->funcs->layer_off(comp, idx); 143 } 144 145 static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp, 146 unsigned int idx, 147 struct mtk_plane_state *state) 148 { 149 if (comp->funcs && comp->funcs->layer_config) 150 comp->funcs->layer_config(comp, idx, state); 151 } 152 153 static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp, 154 struct drm_crtc_state *state) 155 { 156 if (comp->funcs && comp->funcs->gamma_set) 157 comp->funcs->gamma_set(comp, state); 158 } 159 160 int mtk_ddp_comp_get_id(struct device_node *node, 161 enum mtk_ddp_comp_type comp_type); 162 int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node, 163 struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id, 164 const struct mtk_ddp_comp_funcs *funcs); 165 int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp); 166 void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp); 167 void mtk_dither_set(struct mtk_ddp_comp *comp, unsigned int bpc, 168 unsigned int CFG); 169 170 #endif /* MTK_DRM_DDP_COMP_H */ 171