1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2 /* exynos_drm.h 3 * 4 * Copyright (c) 2011 Samsung Electronics Co., Ltd. 5 * Authors: 6 * Inki Dae <inki.dae@samsung.com> 7 * Joonyoung Shim <jy0922.shim@samsung.com> 8 * Seung-Woo Kim <sw0312.kim@samsung.com> 9 * 10 * This program is free software; you can redistribute it and/or modify it 11 * under the terms of the GNU General Public License as published by the 12 * Free Software Foundation; either version 2 of the License, or (at your 13 * option) any later version. 14 */ 15 16 #ifndef _UAPI_EXYNOS_DRM_H_ 17 #define _UAPI_EXYNOS_DRM_H_ 18 19 #include "drm.h" 20 21 #if defined(__cplusplus) 22 extern "C" { 23 #endif 24 25 /** 26 * User-desired buffer creation information structure. 27 * 28 * @size: user-desired memory allocation size. 29 * - this size value would be page-aligned internally. 30 * @flags: user request for setting memory type or cache attributes. 31 * @handle: returned a handle to created gem object. 32 * - this handle will be set by gem module of kernel side. 33 */ 34 struct drm_exynos_gem_create { 35 __u64 size; 36 __u32 flags; 37 __u32 handle; 38 }; 39 40 /** 41 * A structure for getting a fake-offset that can be used with mmap. 42 * 43 * @handle: handle of gem object. 44 * @reserved: just padding to be 64-bit aligned. 45 * @offset: a fake-offset of gem object. 46 */ 47 struct drm_exynos_gem_map { 48 __u32 handle; 49 __u32 reserved; 50 __u64 offset; 51 }; 52 53 /** 54 * A structure to gem information. 55 * 56 * @handle: a handle to gem object created. 57 * @flags: flag value including memory type and cache attribute and 58 * this value would be set by driver. 59 * @size: size to memory region allocated by gem and this size would 60 * be set by driver. 61 */ 62 struct drm_exynos_gem_info { 63 __u32 handle; 64 __u32 flags; 65 __u64 size; 66 }; 67 68 /** 69 * A structure for user connection request of virtual display. 70 * 71 * @connection: indicate whether doing connetion or not by user. 72 * @extensions: if this value is 1 then the vidi driver would need additional 73 * 128bytes edid data. 74 * @edid: the edid data pointer from user side. 75 */ 76 struct drm_exynos_vidi_connection { 77 __u32 connection; 78 __u32 extensions; 79 __u64 edid; 80 }; 81 82 /* memory type definitions. */ 83 enum e_drm_exynos_gem_mem_type { 84 /* Physically Continuous memory and used as default. */ 85 EXYNOS_BO_CONTIG = 0 << 0, 86 /* Physically Non-Continuous memory. */ 87 EXYNOS_BO_NONCONTIG = 1 << 0, 88 /* non-cachable mapping and used as default. */ 89 EXYNOS_BO_NONCACHABLE = 0 << 1, 90 /* cachable mapping. */ 91 EXYNOS_BO_CACHABLE = 1 << 1, 92 /* write-combine mapping. */ 93 EXYNOS_BO_WC = 1 << 2, 94 EXYNOS_BO_MASK = EXYNOS_BO_NONCONTIG | EXYNOS_BO_CACHABLE | 95 EXYNOS_BO_WC 96 }; 97 98 struct drm_exynos_g2d_get_ver { 99 __u32 major; 100 __u32 minor; 101 }; 102 103 struct drm_exynos_g2d_cmd { 104 __u32 offset; 105 __u32 data; 106 }; 107 108 enum drm_exynos_g2d_buf_type { 109 G2D_BUF_USERPTR = 1 << 31, 110 }; 111 112 enum drm_exynos_g2d_event_type { 113 G2D_EVENT_NOT, 114 G2D_EVENT_NONSTOP, 115 G2D_EVENT_STOP, /* not yet */ 116 }; 117 118 struct drm_exynos_g2d_userptr { 119 unsigned long userptr; 120 unsigned long size; 121 }; 122 123 struct drm_exynos_g2d_set_cmdlist { 124 __u64 cmd; 125 __u64 cmd_buf; 126 __u32 cmd_nr; 127 __u32 cmd_buf_nr; 128 129 /* for g2d event */ 130 __u64 event_type; 131 __u64 user_data; 132 }; 133 134 struct drm_exynos_g2d_exec { 135 __u64 async; 136 }; 137 138 #define DRM_EXYNOS_GEM_CREATE 0x00 139 #define DRM_EXYNOS_GEM_MAP 0x01 140 /* Reserved 0x03 ~ 0x05 for exynos specific gem ioctl */ 141 #define DRM_EXYNOS_GEM_GET 0x04 142 #define DRM_EXYNOS_VIDI_CONNECTION 0x07 143 144 /* G2D */ 145 #define DRM_EXYNOS_G2D_GET_VER 0x20 146 #define DRM_EXYNOS_G2D_SET_CMDLIST 0x21 147 #define DRM_EXYNOS_G2D_EXEC 0x22 148 149 /* Reserved 0x30 ~ 0x33 for obsolete Exynos IPP ioctls */ 150 151 #define DRM_IOCTL_EXYNOS_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \ 152 DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create) 153 #define DRM_IOCTL_EXYNOS_GEM_MAP DRM_IOWR(DRM_COMMAND_BASE + \ 154 DRM_EXYNOS_GEM_MAP, struct drm_exynos_gem_map) 155 #define DRM_IOCTL_EXYNOS_GEM_GET DRM_IOWR(DRM_COMMAND_BASE + \ 156 DRM_EXYNOS_GEM_GET, struct drm_exynos_gem_info) 157 158 #define DRM_IOCTL_EXYNOS_VIDI_CONNECTION DRM_IOWR(DRM_COMMAND_BASE + \ 159 DRM_EXYNOS_VIDI_CONNECTION, struct drm_exynos_vidi_connection) 160 161 #define DRM_IOCTL_EXYNOS_G2D_GET_VER DRM_IOWR(DRM_COMMAND_BASE + \ 162 DRM_EXYNOS_G2D_GET_VER, struct drm_exynos_g2d_get_ver) 163 #define DRM_IOCTL_EXYNOS_G2D_SET_CMDLIST DRM_IOWR(DRM_COMMAND_BASE + \ 164 DRM_EXYNOS_G2D_SET_CMDLIST, struct drm_exynos_g2d_set_cmdlist) 165 #define DRM_IOCTL_EXYNOS_G2D_EXEC DRM_IOWR(DRM_COMMAND_BASE + \ 166 DRM_EXYNOS_G2D_EXEC, struct drm_exynos_g2d_exec) 167 168 /* EXYNOS specific events */ 169 #define DRM_EXYNOS_G2D_EVENT 0x80000000 170 171 struct drm_exynos_g2d_event { 172 struct drm_event base; 173 __u64 user_data; 174 __u32 tv_sec; 175 __u32 tv_usec; 176 __u32 cmdlist_no; 177 __u32 reserved; 178 }; 179 180 #if defined(__cplusplus) 181 } 182 #endif 183 184 #endif /* _UAPI_EXYNOS_DRM_H_ */ 185