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-rw-r--r--drivers/video/tegra/host/dev.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/video/tegra/host/dev.h b/drivers/video/tegra/host/dev.h
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1/*
2 * drivers/video/tegra/host/dev.h
3 *
4 * Tegra Graphics Host Driver Entrypoint
5 *
6 * Copyright (c) 2010-2012, NVIDIA Corporation.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms and conditions of the GNU General Public License,
10 * version 2, as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 */
20
21#ifndef __NVHOST_DEV_H
22#define __NVHOST_DEV_H
23
24#include "nvhost_acm.h"
25#include "nvhost_syncpt.h"
26#include "nvhost_intr.h"
27#include "nvhost_channel.h"
28#include "chip_support.h"
29
30#define TRACE_MAX_LENGTH 128U
31#define IFACE_NAME "nvhost"
32
33extern int nvhost_major;
34extern int nvhost_minor;
35
36struct nvhost_hwctx;
37
38struct nvhost_master {
39 void __iomem *aperture;
40 void __iomem *sync_aperture;
41 struct resource *reg_mem;
42 struct class *nvhost_class;
43 struct cdev cdev;
44 struct device *ctrl;
45 struct nvhost_syncpt syncpt;
46 struct nvmap_client *nvmap;
47 struct nvhost_intr intr;
48 struct nvhost_device *dev;
49 struct nvhost_channel *channels;
50 u32 nb_channels;
51
52 struct nvhost_chip_support op;
53
54 atomic_t clientid;
55};
56
57extern struct nvhost_master *nvhost;
58
59void nvhost_debug_init(struct nvhost_master *master);
60void nvhost_debug_dump(struct nvhost_master *master);
61
62#define host_device_op(host) (host->op.nvhost_dev)
63
64struct nvhost_device *nvhost_get_device(char *name);
65
66extern pid_t nvhost_debug_null_kickoff_pid;
67
68#endif