1 /* 2 * Copyright (c) Fuzhou Rockchip Electronics Co.Ltd 3 * Authors: 4 * Mark Yao <yzq@rock-chips.com> 5 * 6 * based on exynos_drm.h 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a 9 * copy of this software and associated documentation files (the "Software"), 10 * to deal in the Software without restriction, including without limitation 11 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 12 * and/or sell copies of the Software, and to permit persons to whom the 13 * Software is furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice (including the next 16 * paragraph) shall be included in all copies or substantial portions of the 17 * Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 22 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 25 * SOFTWARE. 26 * 27 */ 28 29 #ifndef _ROCKCHIP_DRM_H_ 30 #define _ROCKCHIP_DRM_H_ 31 32 #include <stdint.h> 33 #include "drm.h" 34 35 /** 36 * User-desired buffer creation information structure. 37 * 38 * @size: user-desired memory allocation size. 39 * - this size value would be page-aligned internally. 40 * @flags: user request for setting memory type or cache attributes. 41 * @handle: returned a handle to created gem object. 42 * - this handle will be set by gem module of kernel side. 43 */ 44 struct drm_rockchip_gem_create { 45 uint64_t size; 46 uint32_t flags; 47 uint32_t handle; 48 }; 49 50 /** 51 * A structure for getting buffer offset. 52 * 53 * @handle: a pointer to gem object created. 54 * @pad: just padding to be 64-bit aligned. 55 * @offset: relatived offset value of the memory region allocated. 56 * - this value should be set by user. 57 */ 58 struct drm_rockchip_gem_map_off { 59 uint32_t handle; 60 uint32_t pad; 61 uint64_t offset; 62 }; 63 64 struct drm_rockchip_rga_get_ver { 65 __u32 major; 66 __u32 minor; 67 }; 68 69 struct drm_rockchip_rga_cmd { 70 __u32 offset; 71 __u32 data; 72 }; 73 74 enum drm_rockchip_rga_buf_type { 75 RGA_BUF_TYPE_USERPTR = 1 << 31, 76 RGA_BUF_TYPE_GEMFD = 1 << 30, 77 }; 78 79 struct drm_rockchip_rga_userptr { 80 unsigned long userptr; 81 unsigned long size; 82 }; 83 84 struct drm_rockchip_rga_set_cmdlist { 85 __u64 cmd; 86 __u64 cmd_buf; 87 __u32 cmd_nr; 88 __u32 cmd_buf_nr; 89 __u64 user_data; 90 }; 91 92 struct drm_rockchip_rga_exec { 93 __u64 async; 94 }; 95 96 #define DRM_ROCKCHIP_GEM_CREATE 0x00 97 #define DRM_ROCKCHIP_GEM_MAP_OFFSET 0x01 98 #define DRM_ROCKCHIP_RGA_GET_VER 0x20 99 #define DRM_ROCKCHIP_RGA_SET_CMDLIST 0x21 100 #define DRM_ROCKCHIP_RGA_EXEC 0x22 101 102 #define DRM_IOCTL_ROCKCHIP_RGA_GET_VER DRM_IOWR(DRM_COMMAND_BASE + \ 103 DRM_ROCKCHIP_RGA_GET_VER, struct drm_rockchip_rga_get_ver) 104 105 #define DRM_IOCTL_ROCKCHIP_RGA_SET_CMDLIST DRM_IOWR(DRM_COMMAND_BASE + \ 106 DRM_ROCKCHIP_RGA_SET_CMDLIST, struct drm_rockchip_rga_set_cmdlist) 107 108 #define DRM_IOCTL_ROCKCHIP_RGA_EXEC DRM_IOWR(DRM_COMMAND_BASE + \ 109 DRM_ROCKCHIP_RGA_EXEC, struct drm_rockchip_rga_exec) 110 111 #define DRM_IOCTL_ROCKCHIP_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + \ 112 DRM_ROCKCHIP_GEM_CREATE, struct drm_rockchip_gem_create) 113 114 #define DRM_IOCTL_ROCKCHIP_GEM_MAP_OFFSET DRM_IOWR(DRM_COMMAND_BASE + \ 115 DRM_ROCKCHIP_GEM_MAP_OFFSET, struct drm_rockchip_gem_map_off) 116 117 #endif 118