• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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