| 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 */ |