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 #include <errno.h>
33 #include <stdlib.h>
34 #include <string.h>
35 #include "internal.h"
36
kms_create(int fd,struct kms_driver ** out)37 int kms_create(int fd, struct kms_driver **out)
38 {
39 return linux_create(fd, out);
40 }
41
kms_get_prop(struct kms_driver * kms,unsigned key,unsigned * out)42 int kms_get_prop(struct kms_driver *kms, unsigned key, unsigned *out)
43 {
44 switch (key) {
45 case KMS_BO_TYPE:
46 break;
47 default:
48 return -EINVAL;
49 }
50 return kms->get_prop(kms, key, out);
51 }
52
kms_destroy(struct kms_driver ** kms)53 int kms_destroy(struct kms_driver **kms)
54 {
55 if (!(*kms))
56 return 0;
57
58 free(*kms);
59 *kms = NULL;
60 return 0;
61 }
62
kms_bo_create(struct kms_driver * kms,const unsigned * attr,struct kms_bo ** out)63 int kms_bo_create(struct kms_driver *kms, const unsigned *attr, struct kms_bo **out)
64 {
65 unsigned width = 0;
66 unsigned height = 0;
67 enum kms_bo_type type = KMS_BO_TYPE_SCANOUT_X8R8G8B8;
68 int i;
69
70 for (i = 0; attr[i];) {
71 unsigned key = attr[i++];
72 unsigned value = attr[i++];
73
74 switch (key) {
75 case KMS_WIDTH:
76 width = value;
77 break;
78 case KMS_HEIGHT:
79 height = value;
80 break;
81 case KMS_BO_TYPE:
82 type = value;
83 break;
84 default:
85 return -EINVAL;
86 }
87 }
88
89 if (width == 0 || height == 0)
90 return -EINVAL;
91
92 /* XXX sanity check type */
93
94 if (type == KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8 &&
95 (width != 64 || height != 64))
96 return -EINVAL;
97
98 return kms->bo_create(kms, width, height, type, attr, out);
99 }
100
kms_bo_get_prop(struct kms_bo * bo,unsigned key,unsigned * out)101 int kms_bo_get_prop(struct kms_bo *bo, unsigned key, unsigned *out)
102 {
103 switch (key) {
104 case KMS_PITCH:
105 *out = bo->pitch;
106 break;
107 case KMS_HANDLE:
108 *out = bo->handle;
109 break;
110 default:
111 return -EINVAL;
112 }
113
114 return 0;
115 }
116
kms_bo_map(struct kms_bo * bo,void ** out)117 int kms_bo_map(struct kms_bo *bo, void **out)
118 {
119 return bo->kms->bo_map(bo, out);
120 }
121
kms_bo_unmap(struct kms_bo * bo)122 int kms_bo_unmap(struct kms_bo *bo)
123 {
124 return bo->kms->bo_unmap(bo);
125 }
126
kms_bo_destroy(struct kms_bo ** bo)127 int kms_bo_destroy(struct kms_bo **bo)
128 {
129 int ret;
130
131 if (!(*bo))
132 return 0;
133
134 ret = (*bo)->kms->bo_destroy(*bo);
135 if (ret)
136 return ret;
137
138 *bo = NULL;
139 return 0;
140 }
141