1 /**************************************************************************
3 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
40 #include <sys/ioctl.h>
52 dumb_get_prop(struct kms_driver *kms, unsigned key, unsigned *out)
56 *out = KMS_BO_TYPE_SCANOUT_X8R8G8B8 | KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8;
65 dumb_destroy(struct kms_driver *kms)
72 dumb_bo_create(struct kms_driver *kms,
73 const unsigned width, const unsigned height,
74 const enum kms_bo_type type, const unsigned *attr,
77 struct drm_mode_create_dumb arg;
81 for (i = 0; attr[i]; i += 2) {
93 bo = calloc(1, sizeof(*bo));
97 memset(&arg, 0, sizeof(arg));
99 /* All BO_TYPE currently are 32bpp formats */
104 ret = drmIoctl(kms->fd, DRM_IOCTL_MODE_CREATE_DUMB, &arg);
109 bo->base.handle = arg.handle;
110 bo->base.size = arg.size;
111 bo->base.pitch = arg.pitch;
123 dumb_bo_get_prop(struct kms_bo *bo, unsigned key, unsigned *out)
132 dumb_bo_map(struct kms_bo *_bo, void **out)
134 struct dumb_bo *bo = (struct dumb_bo *)_bo;
135 struct drm_mode_map_dumb arg;
145 memset(&arg, 0, sizeof(arg));
146 arg.handle = bo->base.handle;
148 ret = drmIoctl(bo->base.kms->fd, DRM_IOCTL_MODE_MAP_DUMB, &arg);
152 map = mmap(0, bo->base.size, PROT_READ | PROT_WRITE, MAP_SHARED, bo->base.kms->fd, arg.offset);
153 if (map == MAP_FAILED)
164 dumb_bo_unmap(struct kms_bo *_bo)
166 struct dumb_bo *bo = (struct dumb_bo *)_bo;
172 dumb_bo_destroy(struct kms_bo *_bo)
174 struct dumb_bo *bo = (struct dumb_bo *)_bo;
175 struct drm_mode_destroy_dumb arg;
179 /* XXX Sanity check map_count */
180 munmap(bo->base.ptr, bo->base.size);
184 memset(&arg, 0, sizeof(arg));
185 arg.handle = bo->base.handle;
187 ret = drmIoctl(bo->base.kms->fd, DRM_IOCTL_MODE_DESTROY_DUMB, &arg);
196 dumb_create(int fd, struct kms_driver **out)
198 struct kms_driver *kms;
202 ret = drmGetCap(fd, DRM_CAP_DUMB_BUFFER, &cap);
206 kms = calloc(1, sizeof(*kms));
212 kms->bo_create = dumb_bo_create;
213 kms->bo_map = dumb_bo_map;
214 kms->bo_unmap = dumb_bo_unmap;
215 kms->bo_get_prop = dumb_bo_get_prop;
216 kms->bo_destroy = dumb_bo_destroy;
217 kms->get_prop = dumb_get_prop;
218 kms->destroy = dumb_destroy;