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 
qxl_mode_dumb_create(struct drm_file * file_priv,struct drm_device * dev,struct drm_mode_create_dumb * args)31 int 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 }
74