1 /* 2 * Copyright © 2012, 2013 Thierry Reding 3 * Copyright © 2013 Erik Faye-Lund 4 * Copyright © 2014 NVIDIA Corporation 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 #ifndef __DRM_TEGRA_H__ 26 #define __DRM_TEGRA_H__ 1 27 28 #include <stdint.h> 29 #include <stdlib.h> 30 31 #include <tegra_drm.h> 32 33 enum drm_tegra_class { 34 DRM_TEGRA_HOST1X, 35 DRM_TEGRA_GR2D, 36 DRM_TEGRA_GR3D, 37 DRM_TEGRA_VIC, 38 }; 39 40 struct drm_tegra_bo; 41 struct drm_tegra; 42 43 int drm_tegra_new(int fd, struct drm_tegra **drmp); 44 void drm_tegra_close(struct drm_tegra *drm); 45 46 int drm_tegra_bo_new(struct drm_tegra *drm, uint32_t flags, uint32_t size, 47 struct drm_tegra_bo **bop); 48 int drm_tegra_bo_wrap(struct drm_tegra *drm, uint32_t handle, uint32_t flags, 49 uint32_t size, struct drm_tegra_bo **bop); 50 struct drm_tegra_bo *drm_tegra_bo_ref(struct drm_tegra_bo *bo); 51 void drm_tegra_bo_unref(struct drm_tegra_bo *bo); 52 int drm_tegra_bo_get_handle(struct drm_tegra_bo *bo, uint32_t *handle); 53 int drm_tegra_bo_map(struct drm_tegra_bo *bo, void **ptr); 54 int drm_tegra_bo_unmap(struct drm_tegra_bo *bo); 55 56 int drm_tegra_bo_get_name(struct drm_tegra_bo *bo, uint32_t *name); 57 int drm_tegra_bo_open(struct drm_tegra *drm, uint32_t name, uint32_t flags, 58 struct drm_tegra_bo **bop); 59 60 int drm_tegra_bo_export(struct drm_tegra_bo *bo, uint32_t flags); 61 int drm_tegra_bo_import(struct drm_tegra *drm, int fd, 62 struct drm_tegra_bo **bop); 63 64 struct drm_tegra_channel; 65 struct drm_tegra_mapping; 66 struct drm_tegra_pushbuf; 67 struct drm_tegra_job; 68 struct drm_tegra_syncpoint; 69 70 enum drm_tegra_sync_cond { 71 DRM_TEGRA_SYNC_COND_IMMEDIATE, 72 DRM_TEGRA_SYNC_COND_OP_DONE, 73 DRM_TEGRA_SYNC_COND_RD_DONE, 74 DRM_TEGRA_SYNC_COND_WR_SAFE, 75 DRM_TEGRA_SYNC_COND_MAX, 76 }; 77 78 struct drm_tegra_fence { 79 struct drm_tegra *drm; 80 uint32_t syncpt; 81 uint32_t value; 82 }; 83 84 int drm_tegra_channel_open(struct drm_tegra *drm, 85 enum drm_tegra_class client, 86 struct drm_tegra_channel **channelp); 87 int drm_tegra_channel_close(struct drm_tegra_channel *channel); 88 unsigned int drm_tegra_channel_get_version(struct drm_tegra_channel *channel); 89 int drm_tegra_channel_map(struct drm_tegra_channel *channel, 90 struct drm_tegra_bo *bo, uint32_t flags, 91 struct drm_tegra_mapping **mapp); 92 int drm_tegra_channel_unmap(struct drm_tegra_mapping *map); 93 94 int drm_tegra_job_new(struct drm_tegra_channel *channel, 95 struct drm_tegra_job **jobp); 96 int drm_tegra_job_free(struct drm_tegra_job *job); 97 int drm_tegra_job_get_pushbuf(struct drm_tegra_job *job, 98 struct drm_tegra_pushbuf **pushbufp); 99 int drm_tegra_job_submit(struct drm_tegra_job *job, 100 struct drm_tegra_fence *fence); 101 int drm_tegra_job_wait(struct drm_tegra_job *job, unsigned long timeout); 102 103 int drm_tegra_pushbuf_begin(struct drm_tegra_pushbuf *pushbuf, 104 unsigned int words, uint32_t **ptrp); 105 int drm_tegra_pushbuf_end(struct drm_tegra_pushbuf *pushbuf, uint32_t *ptr); 106 int drm_tegra_pushbuf_wait(struct drm_tegra_pushbuf *pushbuf, 107 struct drm_tegra_syncpoint *syncpt, 108 uint32_t value); 109 int drm_tegra_pushbuf_relocate(struct drm_tegra_pushbuf *pushbuf, 110 uint32_t **ptrp, 111 struct drm_tegra_mapping *target, 112 unsigned long offset, unsigned int shift, 113 uint32_t flags); 114 int drm_tegra_pushbuf_sync(struct drm_tegra_pushbuf *pushbuf, 115 struct drm_tegra_syncpoint *syncpt, 116 unsigned int count); 117 int drm_tegra_pushbuf_sync_cond(struct drm_tegra_pushbuf *pushbuf, 118 uint32_t **ptrp, 119 struct drm_tegra_syncpoint *syncpt, 120 enum drm_tegra_sync_cond cond); 121 122 int drm_tegra_syncpoint_new(struct drm_tegra *drm, 123 struct drm_tegra_syncpoint **syncptp); 124 int drm_tegra_syncpoint_free(struct drm_tegra_syncpoint *syncpt); 125 int drm_tegra_fence_wait(struct drm_tegra_fence *fence, unsigned long timeout); 126 127 #endif /* __DRM_TEGRA_H__ */ 128