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 36 drm_public int kms_create(int fd, struct kms_driver **out) 37 { 38 return linux_create(fd, out); 39 } 40 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 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 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 } 99 100 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 } 115 116 drm_public int kms_bo_map(struct kms_bo *bo, void **out) 117 { 118 return bo->kms->bo_map(bo, out); 119 } 120 121 drm_public int kms_bo_unmap(struct kms_bo *bo) 122 { 123 return bo->kms->bo_unmap(bo); 124 } 125 126 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