xref: /third_party/libdrm/tegra/private.h (revision d722e3fb)
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_PRIVATE_H__
26#define __DRM_TEGRA_PRIVATE_H__ 1
27
28#include <stdbool.h>
29#include <stddef.h>
30#include <stdint.h>
31
32#include <libdrm_macros.h>
33#include <xf86atomic.h>
34
35#include "tegra_drm.h"
36#include "tegra.h"
37
38#define container_of(ptr, type, member) ({                      \
39        const __typeof__(((type *)0)->member) *__mptr = (ptr);  \
40        (type *)((char *)__mptr - offsetof(type, member));      \
41    })
42
43enum host1x_class {
44    HOST1X_CLASS_HOST1X = 0x01,
45    HOST1X_CLASS_GR2D = 0x51,
46    HOST1X_CLASS_GR2D_SB = 0x52,
47    HOST1X_CLASS_VIC = 0x5d,
48    HOST1X_CLASS_GR3D = 0x60,
49};
50
51struct drm_tegra {
52    bool close;
53    int fd;
54};
55
56struct drm_tegra_bo {
57    struct drm_tegra *drm;
58    uint32_t handle;
59    uint64_t offset;
60    uint32_t flags;
61    uint32_t size;
62    atomic_t ref;
63    void *map;
64};
65
66struct drm_tegra_channel {
67    struct drm_tegra *drm;
68    enum host1x_class class;
69    uint32_t capabilities;
70    unsigned int version;
71    uint64_t context;
72
73    unsigned int cond_shift;
74};
75
76struct drm_tegra_mapping {
77    struct drm_tegra_channel *channel;
78    uint32_t id;
79};
80
81struct drm_tegra_pushbuf {
82    struct drm_tegra_job *job;
83
84    uint32_t *start;
85    uint32_t *end;
86    uint32_t *ptr;
87};
88
89void drm_tegra_pushbuf_free(struct drm_tegra_pushbuf *pushbuf);
90
91struct drm_tegra_job {
92    struct drm_tegra_channel *channel;
93    struct drm_tegra_pushbuf *pushbuf;
94    size_t page_size;
95
96    struct drm_tegra_submit_cmd *commands;
97    unsigned int num_commands;
98
99    struct drm_tegra_submit_buf *buffers;
100    unsigned int num_buffers;
101
102    struct {
103        uint32_t id;
104        uint32_t increments;
105        uint32_t fence;
106    } syncpt;
107};
108
109struct drm_tegra_submit_cmd *
110drm_tegra_job_add_command(struct drm_tegra_job *job, uint32_t type,
111                          uint32_t flags);
112
113struct drm_tegra_syncpoint {
114    struct drm_tegra *drm;
115    uint32_t id;
116};
117
118#endif /* __DRM_TEGRA_PRIVATE_H__ */
119