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
35struct fd_bo;
36struct fd_pipe;
37struct fd_device;
38
39enum fd_pipe_id {
40	FD_PIPE_3D = 1,
41	FD_PIPE_2D = 2,
42	/* some devices have two 2d blocks.. not really sure how to
43	 * use that yet, so just ignoring the 2nd 2d pipe for now
44	 */
45	FD_PIPE_MAX
46};
47
48enum fd_param_id {
49	FD_DEVICE_ID,
50	FD_GMEM_SIZE,
51	FD_GPU_ID,
52	FD_CHIP_ID,
53};
54
55/* bo flags: */
56#define DRM_FREEDRENO_GEM_TYPE_SMI        0x00000001
57#define DRM_FREEDRENO_GEM_TYPE_KMEM       0x00000002
58#define DRM_FREEDRENO_GEM_TYPE_MEM_MASK   0x0000000f
59#define DRM_FREEDRENO_GEM_CACHE_NONE      0x00000000
60#define DRM_FREEDRENO_GEM_CACHE_WCOMBINE  0x00100000
61#define DRM_FREEDRENO_GEM_CACHE_WTHROUGH  0x00200000
62#define DRM_FREEDRENO_GEM_CACHE_WBACK     0x00400000
63#define DRM_FREEDRENO_GEM_CACHE_WBACKWA   0x00800000
64#define DRM_FREEDRENO_GEM_CACHE_MASK      0x00f00000
65#define DRM_FREEDRENO_GEM_GPUREADONLY     0x01000000
66
67/* bo access flags: (keep aligned to MSM_PREP_x) */
68#define DRM_FREEDRENO_PREP_READ           0x01
69#define DRM_FREEDRENO_PREP_WRITE          0x02
70#define DRM_FREEDRENO_PREP_NOSYNC         0x04
71
72/* device functions:
73 */
74
75struct fd_device * fd_device_new(int fd);
76struct fd_device * fd_device_new_dup(int fd);
77struct fd_device * fd_device_ref(struct fd_device *dev);
78void fd_device_del(struct fd_device *dev);
79int fd_device_fd(struct fd_device *dev);
80
81
82/* pipe functions:
83 */
84
85struct fd_pipe * fd_pipe_new(struct fd_device *dev, enum fd_pipe_id id);
86void fd_pipe_del(struct fd_pipe *pipe);
87int fd_pipe_get_param(struct fd_pipe *pipe, enum fd_param_id param,
88		uint64_t *value);
89int fd_pipe_wait(struct fd_pipe *pipe, uint32_t timestamp);
90/* timeout in nanosec */
91int fd_pipe_wait_timeout(struct fd_pipe *pipe, uint32_t timestamp,
92		uint64_t timeout);
93
94
95/* buffer-object functions:
96 */
97
98struct fd_bo * fd_bo_new(struct fd_device *dev,
99		uint32_t size, uint32_t flags);
100struct fd_bo * fd_bo_from_fbdev(struct fd_pipe *pipe,
101		int fbfd, uint32_t size);
102struct fd_bo *fd_bo_from_handle(struct fd_device *dev,
103		uint32_t handle, uint32_t size);
104struct fd_bo * fd_bo_from_name(struct fd_device *dev, uint32_t name);
105struct fd_bo * fd_bo_from_dmabuf(struct fd_device *dev, int fd);
106struct fd_bo * fd_bo_ref(struct fd_bo *bo);
107void fd_bo_del(struct fd_bo *bo);
108int fd_bo_get_name(struct fd_bo *bo, uint32_t *name);
109uint32_t fd_bo_handle(struct fd_bo *bo);
110int fd_bo_dmabuf(struct fd_bo *bo);
111uint32_t fd_bo_size(struct fd_bo *bo);
112void * fd_bo_map(struct fd_bo *bo);
113int fd_bo_cpu_prep(struct fd_bo *bo, struct fd_pipe *pipe, uint32_t op);
114void fd_bo_cpu_fini(struct fd_bo *bo);
115
116#endif /* FREEDRENO_DRMIF_H_ */
117