1 /* 2 * Copyright (C) 2012 Samsung Electronics Co., Ltd. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 * SOFTWARE. 22 * 23 * Authors: 24 * Inki Dae <inki.dae@samsung.com> 25 */ 26 27 #ifndef EXYNOS_DRMIF_H_ 28 #define EXYNOS_DRMIF_H_ 29 30 #include <xf86drm.h> 31 #include <stdint.h> 32 #include "exynos_drm.h" 33 34 #if defined(__cplusplus) 35 extern "C" { 36 #endif 37 38 struct exynos_device { 39 int fd; 40 }; 41 42 /* 43 * Exynos Buffer Object structure. 44 * 45 * @dev: exynos device object allocated. 46 * @handle: a gem handle to gem object created. 47 * @flags: indicate memory allocation and cache attribute types. 48 * @size: size to the buffer created. 49 * @vaddr: user space address to a gem buffer mmaped. 50 * @name: a gem global handle from flink request. 51 */ 52 struct exynos_bo { 53 struct exynos_device *dev; 54 uint32_t handle; 55 uint32_t flags; 56 size_t size; 57 void *vaddr; 58 uint32_t name; 59 }; 60 61 #define EXYNOS_EVENT_CONTEXT_VERSION 1 62 63 /* 64 * Exynos Event Context structure. 65 * 66 * @base: base context (for core events). 67 * @version: version info similar to the one in 'drmEventContext'. 68 * @g2d_event_handler: handler for G2D events. 69 */ 70 struct exynos_event_context { 71 drmEventContext base; 72 73 int version; 74 75 void (*g2d_event_handler)(int fd, unsigned int cmdlist_no, 76 unsigned int tv_sec, unsigned int tv_usec, 77 void *user_data); 78 }; 79 80 /* 81 * device related functions: 82 */ 83 struct exynos_device * exynos_device_create(int fd); 84 void exynos_device_destroy(struct exynos_device *dev); 85 86 /* 87 * buffer-object related functions: 88 */ 89 struct exynos_bo * exynos_bo_create(struct exynos_device *dev, 90 size_t size, uint32_t flags); 91 int exynos_bo_get_info(struct exynos_device *dev, uint32_t handle, 92 size_t *size, uint32_t *flags); 93 void exynos_bo_destroy(struct exynos_bo *bo); 94 struct exynos_bo * exynos_bo_from_name(struct exynos_device *dev, uint32_t name); 95 int exynos_bo_get_name(struct exynos_bo *bo, uint32_t *name); 96 uint32_t exynos_bo_handle(struct exynos_bo *bo); 97 void * exynos_bo_map(struct exynos_bo *bo); 98 int exynos_prime_handle_to_fd(struct exynos_device *dev, uint32_t handle, 99 int *fd); 100 int exynos_prime_fd_to_handle(struct exynos_device *dev, int fd, 101 uint32_t *handle); 102 103 /* 104 * Virtual Display related functions: 105 */ 106 int exynos_vidi_connection(struct exynos_device *dev, uint32_t connect, 107 uint32_t ext, void *edid); 108 109 /* 110 * event handling related functions: 111 */ 112 int exynos_handle_event(struct exynos_device *dev, 113 struct exynos_event_context *ctx); 114 115 116 #if defined(__cplusplus) 117 } 118 #endif 119 120 #endif /* EXYNOS_DRMIF_H_ */ 121