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 #include <errno.h>
30 #include <stdlib.h>
31 #include <string.h>
32
33 #include "libdrm_macros.h"
34 #include "internal.h"
35
kms_create(int fd,struct kms_driver ** out)36 drm_public int kms_create(int fd, struct kms_driver **out)
37 {
38 return linux_create(fd, out);
39 }
40
kms_get_prop(struct kms_driver * kms,unsigned key,unsigned * out)41 drm_public int kms_get_prop(struct kms_driver *kms, unsigned key, unsigned *out)
42 {
43 switch (key) {
44 case KMS_BO_TYPE:
45 break;
46 default:
47 return -EINVAL;
48 }
49 return kms->get_prop(kms, key, out);
50 }
51
kms_destroy(struct kms_driver ** kms)52 drm_public int kms_destroy(struct kms_driver **kms)
53 {
54 if (!(*kms))
55 return 0;
56
57 free(*kms);
58 *kms = NULL;
59 return 0;
60 }
61
kms_bo_create(struct kms_driver * kms,const unsigned * attr,struct kms_bo ** out)62 drm_public int kms_bo_create(struct kms_driver *kms, const unsigned *attr, struct kms_bo **out)
63 {
64 unsigned width = 0;
65 unsigned height = 0;
66 enum kms_bo_type type = KMS_BO_TYPE_SCANOUT_X8R8G8B8;
67 int i;
68
69 for (i = 0; attr[i];) {
70 unsigned key = attr[i++];
71 unsigned value = attr[i++];
72
73 switch (key) {
74 case KMS_WIDTH:
75 width = value;
76 break;
77 case KMS_HEIGHT:
78 height = value;
79 break;
80 case KMS_BO_TYPE:
81 type = value;
82 break;
83 default:
84 return -EINVAL;
85 }
86 }
87
88 if (width == 0 || height == 0)
89 return -EINVAL;
90
91 /* XXX sanity check type */
92
93 if (type == KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8 &&
94 (width != 64 || height != 64))
95 return -EINVAL;
96
97 return kms->bo_create(kms, width, height, type, attr, out);
98 }
99
kms_bo_get_prop(struct kms_bo * bo,unsigned key,unsigned * out)100 drm_public int kms_bo_get_prop(struct kms_bo *bo, unsigned key, unsigned *out)
101 {
102 switch (key) {
103 case KMS_PITCH:
104 *out = bo->pitch;
105 break;
106 case KMS_HANDLE:
107 *out = bo->handle;
108 break;
109 default:
110 return -EINVAL;
111 }
112
113 return 0;
114 }
115
kms_bo_map(struct kms_bo * bo,void ** out)116 drm_public int kms_bo_map(struct kms_bo *bo, void **out)
117 {
118 return bo->kms->bo_map(bo, out);
119 }
120
kms_bo_unmap(struct kms_bo * bo)121 drm_public int kms_bo_unmap(struct kms_bo *bo)
122 {
123 return bo->kms->bo_unmap(bo);
124 }
125
kms_bo_destroy(struct kms_bo ** bo)126 drm_public int kms_bo_destroy(struct kms_bo **bo)
127 {
128 int ret;
129
130 if (!(*bo))
131 return 0;
132
133 ret = (*bo)->kms->bo_destroy(*bo);
134 if (ret)
135 return ret;
136
137 *bo = NULL;
138 return 0;
139 }
140