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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@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 };
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