1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ 2 3 /* 4 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org> 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 (including the next 14 * paragraph) shall be included in all copies or substantial portions of the 15 * Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. 24 * 25 * Authors: 26 * Rob Clark <robclark@freedesktop.org> 27 */ 28 29 #ifndef FREEDRENO_DRMIF_H_ 30 #define FREEDRENO_DRMIF_H_ 31 32 #include <xf86drm.h> 33 #include <stdint.h> 34 35 #if defined(__GNUC__) 36 # define drm_deprecated __attribute__((__deprecated__)) 37 #else 38 # define drm_deprecated 39 #endif 40 41 /* an empty marker for things that will be deprecated in the future: */ 42 #define will_be_deprecated 43 44 struct fd_bo; 45 struct fd_pipe; 46 struct fd_device; 47 48 enum fd_pipe_id { 49 FD_PIPE_3D = 1, 50 FD_PIPE_2D = 2, 51 /* some devices have two 2d blocks.. not really sure how to 52 * use that yet, so just ignoring the 2nd 2d pipe for now 53 */ 54 FD_PIPE_MAX 55 }; 56 57 enum fd_param_id { 58 FD_DEVICE_ID, 59 FD_GMEM_SIZE, 60 FD_GPU_ID, 61 FD_CHIP_ID, 62 FD_MAX_FREQ, 63 FD_TIMESTAMP, 64 FD_NR_RINGS, /* # of rings == # of distinct priority levels */ 65 }; 66 67 /* bo flags: */ 68 #define DRM_FREEDRENO_GEM_TYPE_SMI 0x00000001 69 #define DRM_FREEDRENO_GEM_TYPE_KMEM 0x00000002 70 #define DRM_FREEDRENO_GEM_TYPE_MEM_MASK 0x0000000f 71 #define DRM_FREEDRENO_GEM_CACHE_NONE 0x00000000 72 #define DRM_FREEDRENO_GEM_CACHE_WCOMBINE 0x00100000 73 #define DRM_FREEDRENO_GEM_CACHE_WTHROUGH 0x00200000 74 #define DRM_FREEDRENO_GEM_CACHE_WBACK 0x00400000 75 #define DRM_FREEDRENO_GEM_CACHE_WBACKWA 0x00800000 76 #define DRM_FREEDRENO_GEM_CACHE_MASK 0x00f00000 77 #define DRM_FREEDRENO_GEM_GPUREADONLY 0x01000000 78 79 /* bo access flags: (keep aligned to MSM_PREP_x) */ 80 #define DRM_FREEDRENO_PREP_READ 0x01 81 #define DRM_FREEDRENO_PREP_WRITE 0x02 82 #define DRM_FREEDRENO_PREP_NOSYNC 0x04 83 84 /* device functions: 85 */ 86 87 struct fd_device * fd_device_new(int fd); 88 struct fd_device * fd_device_new_dup(int fd); 89 struct fd_device * fd_device_ref(struct fd_device *dev); 90 void fd_device_del(struct fd_device *dev); 91 int fd_device_fd(struct fd_device *dev); 92 93 enum fd_version { 94 FD_VERSION_MADVISE = 1, /* kernel supports madvise */ 95 FD_VERSION_UNLIMITED_CMDS = 1, /* submits w/ >4 cmd buffers (growable ringbuffer) */ 96 FD_VERSION_FENCE_FD = 2, /* submit command supports in/out fences */ 97 FD_VERSION_SUBMIT_QUEUES = 3, /* submit queues and multiple priority levels */ 98 FD_VERSION_BO_IOVA = 3, /* supports fd_bo_get/put_iova() */ 99 }; 100 enum fd_version fd_device_version(struct fd_device *dev); 101 102 /* pipe functions: 103 */ 104 105 struct fd_pipe * fd_pipe_new(struct fd_device *dev, enum fd_pipe_id id); 106 struct fd_pipe * fd_pipe_new2(struct fd_device *dev, enum fd_pipe_id id, uint32_t prio); 107 struct fd_pipe * fd_pipe_ref(struct fd_pipe *pipe); 108 void fd_pipe_del(struct fd_pipe *pipe); 109 int fd_pipe_get_param(struct fd_pipe *pipe, enum fd_param_id param, 110 uint64_t *value); 111 int fd_pipe_wait(struct fd_pipe *pipe, uint32_t timestamp); 112 /* timeout in nanosec */ 113 int fd_pipe_wait_timeout(struct fd_pipe *pipe, uint32_t timestamp, 114 uint64_t timeout); 115 116 117 /* buffer-object functions: 118 */ 119 120 struct fd_bo * fd_bo_new(struct fd_device *dev, 121 uint32_t size, uint32_t flags); 122 struct fd_bo * fd_bo_from_fbdev(struct fd_pipe *pipe, 123 int fbfd, uint32_t size); 124 struct fd_bo *fd_bo_from_handle(struct fd_device *dev, 125 uint32_t handle, uint32_t size); 126 struct fd_bo * fd_bo_from_name(struct fd_device *dev, uint32_t name); 127 struct fd_bo * fd_bo_from_dmabuf(struct fd_device *dev, int fd); 128 uint64_t fd_bo_get_iova(struct fd_bo *bo); 129 void fd_bo_put_iova(struct fd_bo *bo); 130 struct fd_bo * fd_bo_ref(struct fd_bo *bo); 131 void fd_bo_del(struct fd_bo *bo); 132 int fd_bo_get_name(struct fd_bo *bo, uint32_t *name); 133 uint32_t fd_bo_handle(struct fd_bo *bo); 134 int fd_bo_dmabuf(struct fd_bo *bo); 135 uint32_t fd_bo_size(struct fd_bo *bo); 136 void * fd_bo_map(struct fd_bo *bo); 137 int fd_bo_cpu_prep(struct fd_bo *bo, struct fd_pipe *pipe, uint32_t op); 138 void fd_bo_cpu_fini(struct fd_bo *bo); 139 140 #endif /* FREEDRENO_DRMIF_H_ */ 141