1/*
 2 * Copyright 2013 Red Hat Inc.
 3 *
 4 * Permission is hereby granted, free of charge, to any person obtaining a
 5 * copy of this software and associated documentation files (the "Software"),
 6 * to deal in the Software without restriction, including without limitation
 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 8 * and/or sell copies of the Software, and to permit persons to whom the
 9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Dave Airlie
23 *          Alon Levy
24 */
25
26#include "qxl_drv.h"
27#include "qxl_object.h"
28
29/* dumb ioctls implementation */
30
31int qxl_mode_dumb_create(struct drm_file *file_priv,
32			    struct drm_device *dev,
33			    struct drm_mode_create_dumb *args)
34{
35	struct qxl_device *qdev = to_qxl(dev);
36	struct qxl_bo *qobj;
37	uint32_t handle;
38	int r;
39	struct qxl_surface surf;
40	uint32_t pitch, format;
41
42	pitch = args->width * ((args->bpp + 1) / 8);
43	args->size = pitch * args->height;
44	args->size = ALIGN(args->size, PAGE_SIZE);
45
46	switch (args->bpp) {
47	case 16:
48		format = SPICE_SURFACE_FMT_16_565;
49		break;
50	case 32:
51		format = SPICE_SURFACE_FMT_32_xRGB;
52		break;
53	default:
54		return -EINVAL;
55	}
56
57	surf.width = args->width;
58	surf.height = args->height;
59	surf.stride = pitch;
60	surf.format = format;
61	surf.data = 0;
62
63	r = qxl_gem_object_create_with_handle(qdev, file_priv,
64					      QXL_GEM_DOMAIN_CPU,
65					      args->size, &surf, &qobj,
66					      &handle);
67	if (r)
68		return r;
69	qobj->is_dumb = true;
70	args->pitch = pitch;
71	args->handle = handle;
72	return 0;
73}