David Howells | 718dced | 2012-10-04 18:21:50 +0100 | [diff] [blame] | 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 _UAPI_EXYNOS_DRM_H_ |
| 30 | #define _UAPI_EXYNOS_DRM_H_ |
| 31 | |
| 32 | #include <drm/drm.h> |
| 33 | |
| 34 | /** |
| 35 | * User-desired buffer creation information structure. |
| 36 | * |
| 37 | * @size: user-desired memory allocation size. |
| 38 | * - this size value would be page-aligned internally. |
| 39 | * @flags: user request for setting memory type or cache attributes. |
| 40 | * @handle: returned a handle to created gem object. |
| 41 | * - this handle will be set by gem module of kernel side. |
| 42 | */ |
| 43 | struct drm_exynos_gem_create { |
| 44 | uint64_t size; |
| 45 | unsigned int flags; |
| 46 | unsigned int handle; |
| 47 | }; |
| 48 | |
| 49 | /** |
| 50 | * A structure for getting buffer offset. |
| 51 | * |
| 52 | * @handle: a pointer to gem object created. |
| 53 | * @pad: just padding to be 64-bit aligned. |
| 54 | * @offset: relatived offset value of the memory region allocated. |
| 55 | * - this value should be set by user. |
| 56 | */ |
| 57 | struct drm_exynos_gem_map_off { |
| 58 | unsigned int handle; |
| 59 | unsigned int pad; |
| 60 | uint64_t offset; |
| 61 | }; |
| 62 | |
| 63 | /** |
| 64 | * A structure for mapping buffer. |
| 65 | * |
| 66 | * @handle: a handle to gem object created. |
| 67 | * @pad: just padding to be 64-bit aligned. |
| 68 | * @size: memory size to be mapped. |
| 69 | * @mapped: having user virtual address mmaped. |
| 70 | * - this variable would be filled by exynos gem module |
| 71 | * of kernel side with user virtual address which is allocated |
| 72 | * by do_mmap(). |
| 73 | */ |
| 74 | struct drm_exynos_gem_mmap { |
| 75 | unsigned int handle; |
| 76 | unsigned int pad; |
| 77 | uint64_t size; |
| 78 | uint64_t mapped; |
| 79 | }; |
| 80 | |
| 81 | /** |
| 82 | * A structure to gem information. |
| 83 | * |
| 84 | * @handle: a handle to gem object created. |
| 85 | * @flags: flag value including memory type and cache attribute and |
| 86 | * this value would be set by driver. |
| 87 | * @size: size to memory region allocated by gem and this size would |
| 88 | * be set by driver. |
| 89 | */ |
| 90 | struct drm_exynos_gem_info { |
| 91 | unsigned int handle; |
| 92 | unsigned int flags; |
| 93 | uint64_t size; |
| 94 | }; |
| 95 | |
| 96 | /** |
| 97 | * A structure for user connection request of virtual display. |
| 98 | * |
| 99 | * @connection: indicate whether doing connetion or not by user. |
| 100 | * @extensions: if this value is 1 then the vidi driver would need additional |
| 101 | * 128bytes edid data. |
| 102 | * @edid: the edid data pointer from user side. |
| 103 | */ |
| 104 | struct drm_exynos_vidi_connection { |
| 105 | unsigned int connection; |
| 106 | unsigned int extensions; |
| 107 | uint64_t edid; |
| 108 | }; |
| 109 | |
| 110 | /* memory type definitions. */ |
| 111 | enum e_drm_exynos_gem_mem_type { |
| 112 | /* Physically Continuous memory and used as default. */ |
| 113 | EXYNOS_BO_CONTIG = 0 << 0, |
| 114 | /* Physically Non-Continuous memory. */ |
| 115 | EXYNOS_BO_NONCONTIG = 1 << 0, |
| 116 | /* non-cachable mapping and used as default. */ |
| 117 | EXYNOS_BO_NONCACHABLE = 0 << 1, |
| 118 | /* cachable mapping. */ |
| 119 | EXYNOS_BO_CACHABLE = 1 << 1, |
| 120 | /* write-combine mapping. */ |
| 121 | EXYNOS_BO_WC = 1 << 2, |
| 122 | EXYNOS_BO_MASK = EXYNOS_BO_NONCONTIG | EXYNOS_BO_CACHABLE | |
| 123 | EXYNOS_BO_WC |
| 124 | }; |
| 125 | |
| 126 | struct drm_exynos_g2d_get_ver { |
| 127 | __u32 major; |
| 128 | __u32 minor; |
| 129 | }; |
| 130 | |
| 131 | struct drm_exynos_g2d_cmd { |
| 132 | __u32 offset; |
| 133 | __u32 data; |
| 134 | }; |
| 135 | |
Inki Dae | 2a3098f | 2012-11-04 05:48:52 -0800 | [diff] [blame^] | 136 | enum drm_exynos_g2d_buf_type { |
| 137 | G2D_BUF_USERPTR = 1 << 31, |
| 138 | }; |
| 139 | |
David Howells | 718dced | 2012-10-04 18:21:50 +0100 | [diff] [blame] | 140 | enum drm_exynos_g2d_event_type { |
| 141 | G2D_EVENT_NOT, |
| 142 | G2D_EVENT_NONSTOP, |
| 143 | G2D_EVENT_STOP, /* not yet */ |
| 144 | }; |
| 145 | |
Inki Dae | 2a3098f | 2012-11-04 05:48:52 -0800 | [diff] [blame^] | 146 | struct drm_exynos_g2d_userptr { |
| 147 | unsigned long userptr; |
| 148 | unsigned long size; |
| 149 | }; |
| 150 | |
David Howells | 718dced | 2012-10-04 18:21:50 +0100 | [diff] [blame] | 151 | struct drm_exynos_g2d_set_cmdlist { |
| 152 | __u64 cmd; |
Inki Dae | 2a3098f | 2012-11-04 05:48:52 -0800 | [diff] [blame^] | 153 | __u64 cmd_buf; |
David Howells | 718dced | 2012-10-04 18:21:50 +0100 | [diff] [blame] | 154 | __u32 cmd_nr; |
Inki Dae | 2a3098f | 2012-11-04 05:48:52 -0800 | [diff] [blame^] | 155 | __u32 cmd_buf_nr; |
David Howells | 718dced | 2012-10-04 18:21:50 +0100 | [diff] [blame] | 156 | |
| 157 | /* for g2d event */ |
| 158 | __u64 event_type; |
| 159 | __u64 user_data; |
| 160 | }; |
| 161 | |
| 162 | struct drm_exynos_g2d_exec { |
| 163 | __u64 async; |
| 164 | }; |
| 165 | |
| 166 | #define DRM_EXYNOS_GEM_CREATE 0x00 |
| 167 | #define DRM_EXYNOS_GEM_MAP_OFFSET 0x01 |
| 168 | #define DRM_EXYNOS_GEM_MMAP 0x02 |
| 169 | /* Reserved 0x03 ~ 0x05 for exynos specific gem ioctl */ |
| 170 | #define DRM_EXYNOS_GEM_GET 0x04 |
| 171 | #define DRM_EXYNOS_VIDI_CONNECTION 0x07 |
| 172 | |
| 173 | /* G2D */ |
| 174 | #define DRM_EXYNOS_G2D_GET_VER 0x20 |
| 175 | #define DRM_EXYNOS_G2D_SET_CMDLIST 0x21 |
| 176 | #define DRM_EXYNOS_G2D_EXEC 0x22 |
| 177 | |
| 178 | #define DRM_IOCTL_EXYNOS_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \ |
| 179 | DRM_EXYNOS_GEM_CREATE, struct drm_exynos_gem_create) |
| 180 | |
| 181 | #define DRM_IOCTL_EXYNOS_GEM_MAP_OFFSET DRM_IOWR(DRM_COMMAND_BASE + \ |
| 182 | DRM_EXYNOS_GEM_MAP_OFFSET, struct drm_exynos_gem_map_off) |
| 183 | |
| 184 | #define DRM_IOCTL_EXYNOS_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + \ |
| 185 | DRM_EXYNOS_GEM_MMAP, struct drm_exynos_gem_mmap) |
| 186 | |
| 187 | #define DRM_IOCTL_EXYNOS_GEM_GET DRM_IOWR(DRM_COMMAND_BASE + \ |
| 188 | DRM_EXYNOS_GEM_GET, struct drm_exynos_gem_info) |
| 189 | |
| 190 | #define DRM_IOCTL_EXYNOS_VIDI_CONNECTION DRM_IOWR(DRM_COMMAND_BASE + \ |
| 191 | DRM_EXYNOS_VIDI_CONNECTION, struct drm_exynos_vidi_connection) |
| 192 | |
| 193 | #define DRM_IOCTL_EXYNOS_G2D_GET_VER DRM_IOWR(DRM_COMMAND_BASE + \ |
| 194 | DRM_EXYNOS_G2D_GET_VER, struct drm_exynos_g2d_get_ver) |
| 195 | #define DRM_IOCTL_EXYNOS_G2D_SET_CMDLIST DRM_IOWR(DRM_COMMAND_BASE + \ |
| 196 | DRM_EXYNOS_G2D_SET_CMDLIST, struct drm_exynos_g2d_set_cmdlist) |
| 197 | #define DRM_IOCTL_EXYNOS_G2D_EXEC DRM_IOWR(DRM_COMMAND_BASE + \ |
| 198 | DRM_EXYNOS_G2D_EXEC, struct drm_exynos_g2d_exec) |
| 199 | |
| 200 | /* EXYNOS specific events */ |
| 201 | #define DRM_EXYNOS_G2D_EVENT 0x80000000 |
| 202 | |
| 203 | struct drm_exynos_g2d_event { |
| 204 | struct drm_event base; |
| 205 | __u64 user_data; |
| 206 | __u32 tv_sec; |
| 207 | __u32 tv_usec; |
| 208 | __u32 cmdlist_no; |
| 209 | __u32 reserved; |
| 210 | }; |
| 211 | |
| 212 | #endif /* _UAPI_EXYNOS_DRM_H_ */ |