1/**************************************************************************
2 *
3 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 * USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28
29#ifdef HAVE_CONFIG_H
30#include "config.h"
31#endif
32
33#include <errno.h>
34#include <stdlib.h>
35#include <string.h>
36
37#include "libdrm_macros.h"
38#include "internal.h"
39
40int kms_create(int fd, struct kms_driver **out)
41{
42	return linux_create(fd, out);
43}
44
45int kms_get_prop(struct kms_driver *kms, unsigned key, unsigned *out)
46{
47	switch (key) {
48	case KMS_BO_TYPE:
49		break;
50	default:
51		return -EINVAL;
52	}
53	return kms->get_prop(kms, key, out);
54}
55
56int kms_destroy(struct kms_driver **kms)
57{
58	if (!(*kms))
59		return 0;
60
61	free(*kms);
62	*kms = NULL;
63	return 0;
64}
65
66int kms_bo_create(struct kms_driver *kms, const unsigned *attr, struct kms_bo **out)
67{
68	unsigned width = 0;
69	unsigned height = 0;
70	enum kms_bo_type type = KMS_BO_TYPE_SCANOUT_X8R8G8B8;
71	int i;
72
73	for (i = 0; attr[i];) {
74		unsigned key = attr[i++];
75		unsigned value = attr[i++];
76
77		switch (key) {
78		case KMS_WIDTH:
79			width = value;
80			break;
81		case KMS_HEIGHT:
82			height = value;
83			break;
84		case KMS_BO_TYPE:
85			type = value;
86			break;
87		default:
88			return -EINVAL;
89		}
90	}
91
92	if (width == 0 || height == 0)
93		return -EINVAL;
94
95	/* XXX sanity check type */
96
97	if (type == KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8 &&
98	    (width != 64 || height != 64))
99		return -EINVAL;
100
101	return kms->bo_create(kms, width, height, type, attr, out);
102}
103
104int kms_bo_get_prop(struct kms_bo *bo, unsigned key, unsigned *out)
105{
106	switch (key) {
107	case KMS_PITCH:
108		*out = bo->pitch;
109		break;
110	case KMS_HANDLE:
111		*out = bo->handle;
112		break;
113	default:
114		return -EINVAL;
115	}
116
117	return 0;
118}
119
120int kms_bo_map(struct kms_bo *bo, void **out)
121{
122	return bo->kms->bo_map(bo, out);
123}
124
125int kms_bo_unmap(struct kms_bo *bo)
126{
127	return bo->kms->bo_unmap(bo);
128}
129
130int kms_bo_destroy(struct kms_bo **bo)
131{
132	int ret;
133
134	if (!(*bo))
135		return 0;
136
137	ret = (*bo)->kms->bo_destroy(*bo);
138	if (ret)
139		return ret;
140
141	*bo = NULL;
142	return 0;
143}
144