1 /* exynos_drm.h 2 * 3 * Copyright (c) 2011 Samsung Electronics Co., Ltd. 4 * Authors: 5 * Inki Dae <inki.dae@samsung.com> 6 * Joonyoung Shim <jy0922.shim@samsung.com> 7 * Seung-Woo Kim <sw0312.kim@samsung.com> 8 * 9 * Permission is hereby granted, free of charge, to any person obtaining a 10 * copy of this software and associated documentation files (the "Software"), 11 * to deal in the Software without restriction, including without limitation 12 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 13 * and/or sell copies of the Software, and to permit persons to whom the 14 * Software is furnished to do so, subject to the following conditions: 15 * 16 * The above copyright notice and this permission notice (including the next 17 * paragraph) shall be included in all copies or substantial portions of the 18 * Software. 19 * 20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 23 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 24 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 26 * OTHER DEALINGS IN THE SOFTWARE. 27 */ 28 29 #ifndef _EXYNOS_DRM_H_ 30 #define _EXYNOS_DRM_H_ 31 32 /** 33 * User-desired buffer creation information structure. 34 * 35 * @size: user-desired memory allocation size. 36 * - this size value would be page-aligned internally. 37 * @flags: user request for setting memory type or cache attributes. 38 * @handle: returned a handle to created gem object. 39 * - this handle will be set by gem module of kernel side. 40 */ 41 struct drm_exynos_gem_create { 42 uint64_t size; 43 unsigned int flags; 44 unsigned int handle; 45 }; 46 47 /** 48 * A structure for getting buffer offset. 49 * 50 * @handle: a pointer to gem object created. 51 * @pad: just padding to be 64-bit aligned. 52 * @offset: relatived offset value of the memory region allocated. 53 * - this value should be set by user. 54 */ 55 struct drm_exynos_gem_map_off { 56 unsigned int handle; 57 unsigned int pad; 58 uint64_t offset; 59 }; 60 61 /** 62 * A structure for mapping buffer. 63 * 64 * @handle: a handle to gem object created. 65 * @size: memory size to be mapped. 66 * @mapped: having user virtual address mmaped. 67 * - this variable would be filled by exynos gem module 68 * of kernel side with user virtual address which is allocated 69 * by do_mmap(). 70 */ 71 struct drm_exynos_gem_mmap { 72 unsigned int handle; 73 unsigned int size; 74 uint64_t mapped; 75 }; 76 77 /** 78 * A structure for user connection request of virtual display. 79 * 80 * @connection: indicate whether doing connetion or not by user. 81 * @extensions: if this value is 1 then the vidi driver would need additional 82 * 128bytes edid data. 83 * @edid: the edid data pointer from user side. 84 */ 85 struct drm_exynos_vidi_connection { 86 unsigned int connection; 87 unsigned int extensions; 88 uint64_t edid; 89 }; 90 91 struct drm_exynos_plane_set_zpos { 92 __u32 plane_id; 93 __s32 zpos; 94 }; 95 96 /* memory type definitions. */ 97 enum e_drm_exynos_gem_mem_type { 98 /* Physically Non-Continuous memory. */ 99 EXYNOS_BO_NONCONTIG = 1 << 0, 100 EXYNOS_BO_MASK = EXYNOS_BO_NONCONTIG 101 }; 102 103 #define DRM_EXYNOS_GEM_CREATE 0x00 104 #define DRM_EXYNOS_GEM_MAP_OFFSET 0x01 105 #define DRM_EXYNOS_GEM_MMAP 0x02 106 /* Reserved 0x03 ~ 0x05 for exynos specific gem ioctl */ 107 #define DRM_EXYNOS_PLANE_SET_ZPOS 0x06 108 #define DRM_EXYNOS_VIDI_CONNECTION 0x07 109 110 #define DRM_IOCTL_EXYNOS_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \ 111 DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create) 112 113 #define DRM_IOCTL_EXYNOS_GEM_MAP_OFFSET DRM_IOWR(DRM_COMMAND_BASE + \ 114 DRM_EXYNOS_GEM_MAP_OFFSET, struct drm_exynos_gem_map_off) 115 116 #define DRM_IOCTL_EXYNOS_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + \ 117 DRM_EXYNOS_GEM_MMAP, struct drm_exynos_gem_mmap) 118 119 #define DRM_IOCTL_EXYNOS_PLANE_SET_ZPOS DRM_IOWR(DRM_COMMAND_BASE + \ 120 DRM_EXYNOS_PLANE_SET_ZPOS, struct drm_exynos_plane_set_zpos) 121 122 #define DRM_IOCTL_EXYNOS_VIDI_CONNECTION DRM_IOWR(DRM_COMMAND_BASE + \ 123 DRM_EXYNOS_VIDI_CONNECTION, struct drm_exynos_vidi_connection) 124 125 #ifdef __KERNEL__ 126 127 /** 128 * A structure for lcd panel information. 129 * 130 * @timing: default video mode for initializing 131 * @width_mm: physical size of lcd width. 132 * @height_mm: physical size of lcd height. 133 */ 134 struct exynos_drm_panel_info { 135 struct fb_videomode timing; 136 u32 width_mm; 137 u32 height_mm; 138 }; 139 140 /** 141 * Platform Specific Structure for DRM based FIMD. 142 * 143 * @panel: default panel info for initializing 144 * @default_win: default window layer number to be used for UI. 145 * @bpp: default bit per pixel. 146 */ 147 struct exynos_drm_fimd_pdata { 148 struct exynos_drm_panel_info panel; 149 u32 vidcon0; 150 u32 vidcon1; 151 unsigned int default_win; 152 unsigned int bpp; 153 }; 154 155 /** 156 * Platform Specific Structure for DRM based HDMI. 157 * 158 * @hdmi_dev: device point to specific hdmi driver. 159 * @mixer_dev: device point to specific mixer driver. 160 * 161 * this structure is used for common hdmi driver and each device object 162 * would be used to access specific device driver(hdmi or mixer driver) 163 */ 164 struct exynos_drm_common_hdmi_pd { 165 struct device *hdmi_dev; 166 struct device *mixer_dev; 167 }; 168 169 /** 170 * Platform Specific Structure for DRM based HDMI core. 171 * 172 * @timing: default video mode for initializing 173 * @default_win: default window layer number to be used for UI. 174 * @bpp: default bit per pixel. 175 * @is_v13: set if hdmi version 13 is. 176 */ 177 struct exynos_drm_hdmi_pdata { 178 struct fb_videomode timing; 179 unsigned int default_win; 180 unsigned int bpp; 181 unsigned int is_v13:1; 182 }; 183 184 #endif /* __KERNEL__ */ 185 #endif /* _EXYNOS_DRM_H_ */ 186