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      1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
      2 
      3 /*
      4  * Copyright (C) 2012 Rob Clark <robclark (at) 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 (at) 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 };
     65 
     66 /* bo flags: */
     67 #define DRM_FREEDRENO_GEM_TYPE_SMI        0x00000001
     68 #define DRM_FREEDRENO_GEM_TYPE_KMEM       0x00000002
     69 #define DRM_FREEDRENO_GEM_TYPE_MEM_MASK   0x0000000f
     70 #define DRM_FREEDRENO_GEM_CACHE_NONE      0x00000000
     71 #define DRM_FREEDRENO_GEM_CACHE_WCOMBINE  0x00100000
     72 #define DRM_FREEDRENO_GEM_CACHE_WTHROUGH  0x00200000
     73 #define DRM_FREEDRENO_GEM_CACHE_WBACK     0x00400000
     74 #define DRM_FREEDRENO_GEM_CACHE_WBACKWA   0x00800000
     75 #define DRM_FREEDRENO_GEM_CACHE_MASK      0x00f00000
     76 #define DRM_FREEDRENO_GEM_GPUREADONLY     0x01000000
     77 
     78 /* bo access flags: (keep aligned to MSM_PREP_x) */
     79 #define DRM_FREEDRENO_PREP_READ           0x01
     80 #define DRM_FREEDRENO_PREP_WRITE          0x02
     81 #define DRM_FREEDRENO_PREP_NOSYNC         0x04
     82 
     83 /* device functions:
     84  */
     85 
     86 struct fd_device * fd_device_new(int fd);
     87 struct fd_device * fd_device_new_dup(int fd);
     88 struct fd_device * fd_device_ref(struct fd_device *dev);
     89 void fd_device_del(struct fd_device *dev);
     90 int fd_device_fd(struct fd_device *dev);
     91 
     92 enum fd_version {
     93 	FD_VERSION_MADVISE = 1,            /* kernel supports madvise */
     94 	FD_VERSION_UNLIMITED_CMDS = 1,     /* submits w/ >4 cmd buffers (growable ringbuffer) */
     95 	FD_VERSION_FENCE_FD = 2,           /* submit command supports in/out fences */
     96 };
     97 enum fd_version fd_device_version(struct fd_device *dev);
     98 
     99 /* pipe functions:
    100  */
    101 
    102 struct fd_pipe * fd_pipe_new(struct fd_device *dev, enum fd_pipe_id id);
    103 void fd_pipe_del(struct fd_pipe *pipe);
    104 int fd_pipe_get_param(struct fd_pipe *pipe, enum fd_param_id param,
    105 		uint64_t *value);
    106 int fd_pipe_wait(struct fd_pipe *pipe, uint32_t timestamp);
    107 /* timeout in nanosec */
    108 int fd_pipe_wait_timeout(struct fd_pipe *pipe, uint32_t timestamp,
    109 		uint64_t timeout);
    110 
    111 
    112 /* buffer-object functions:
    113  */
    114 
    115 struct fd_bo * fd_bo_new(struct fd_device *dev,
    116 		uint32_t size, uint32_t flags);
    117 struct fd_bo * fd_bo_from_fbdev(struct fd_pipe *pipe,
    118 		int fbfd, uint32_t size);
    119 struct fd_bo *fd_bo_from_handle(struct fd_device *dev,
    120 		uint32_t handle, uint32_t size);
    121 struct fd_bo * fd_bo_from_name(struct fd_device *dev, uint32_t name);
    122 struct fd_bo * fd_bo_from_dmabuf(struct fd_device *dev, int fd);
    123 struct fd_bo * fd_bo_ref(struct fd_bo *bo);
    124 void fd_bo_del(struct fd_bo *bo);
    125 int fd_bo_get_name(struct fd_bo *bo, uint32_t *name);
    126 uint32_t fd_bo_handle(struct fd_bo *bo);
    127 int fd_bo_dmabuf(struct fd_bo *bo);
    128 uint32_t fd_bo_size(struct fd_bo *bo);
    129 void * fd_bo_map(struct fd_bo *bo);
    130 int fd_bo_cpu_prep(struct fd_bo *bo, struct fd_pipe *pipe, uint32_t op);
    131 void fd_bo_cpu_fini(struct fd_bo *bo);
    132 
    133 #endif /* FREEDRENO_DRMIF_H_ */
    134