msm_device.c revision 3f012e29 
1/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
2
3/*
4 * Copyright (C) 2013 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#ifdef HAVE_CONFIG_H
30# include <config.h>
31#endif
32
33#include <sys/types.h>
34#include <sys/stat.h>
35#include <unistd.h>
36
37#include "msm_priv.h"
38
39static void msm_device_destroy(struct fd_device *dev)
40{
41	struct msm_device *msm_dev = to_msm_device(dev);
42	fd_bo_cache_cleanup(&msm_dev->ring_cache, 0);
43	free(msm_dev);
44}
45
46static const struct fd_device_funcs funcs = {
47		.bo_new_handle = msm_bo_new_handle,
48		.bo_from_handle = msm_bo_from_handle,
49		.pipe_new = msm_pipe_new,
50		.destroy = msm_device_destroy,
51};
52
53drm_private struct fd_device * msm_device_new(int fd)
54{
55	struct msm_device *msm_dev;
56	struct fd_device *dev;
57
58	msm_dev = calloc(1, sizeof(*msm_dev));
59	if (!msm_dev)
60		return NULL;
61
62	dev = &msm_dev->base;
63	dev->funcs = &funcs;
64
65	fd_bo_cache_init(&msm_dev->ring_cache, TRUE);
66
67	return dev;
68}
69