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 
kms_create(int fd,struct kms_driver ** out)40 int kms_create(int fd, struct kms_driver **out)
41 {
42 	return linux_create(fd, out);
43 }
44 
kms_get_prop(struct kms_driver * kms,unsigned key,unsigned * out)45 int 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 
kms_destroy(struct kms_driver ** kms)56 int 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 
kms_bo_create(struct kms_driver * kms,const unsigned * attr,struct kms_bo ** out)66 int 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 
kms_bo_get_prop(struct kms_bo * bo,unsigned key,unsigned * out)104 int 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 
kms_bo_map(struct kms_bo * bo,void ** out)120 int kms_bo_map(struct kms_bo *bo, void **out)
121 {
122 	return bo->kms->bo_map(bo, out);
123 }
124 
kms_bo_unmap(struct kms_bo * bo)125 int kms_bo_unmap(struct kms_bo *bo)
126 {
127 	return bo->kms->bo_unmap(bo);
128 }
129 
kms_bo_destroy(struct kms_bo ** bo)130 int 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