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 **************************************************************************/
39 #include <sys/ioctl.h>
43 #include "radeon_drm.h"
55 radeon_get_prop(struct kms_driver *kms, unsigned key, unsigned *out)
59 *out = KMS_BO_TYPE_SCANOUT_X8R8G8B8 | KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8;
68 radeon_destroy(struct kms_driver *kms)
75 radeon_bo_create(struct kms_driver *kms,
76 const unsigned width, const unsigned height,
77 const enum kms_bo_type type, const unsigned *attr,
80 struct drm_radeon_gem_create arg;
85 for (i = 0; attr[i]; i += 2) {
97 case KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8:
101 case KMS_BO_TYPE_SCANOUT_X8R8G8B8:
103 pitch = (pitch + ALIGNMENT - 1) & ~(ALIGNMENT - 1);
104 size = pitch * height;
110 bo = calloc(1, sizeof(*bo));
114 memset(&arg, 0, sizeof(arg));
116 arg.alignment = ALIGNMENT;
117 arg.initial_domain = RADEON_GEM_DOMAIN_CPU;
121 ret = drmCommandWriteRead(kms->fd, DRM_RADEON_GEM_CREATE,
127 bo->base.handle = arg.handle;
128 bo->base.size = size;
129 bo->base.pitch = pitch;
143 radeon_bo_get_prop(struct kms_bo *bo, unsigned key, unsigned *out)
152 radeon_bo_map(struct kms_bo *_bo, void **out)
154 struct radeon_bo *bo = (struct radeon_bo *)_bo;
155 struct drm_radeon_gem_mmap arg;
165 memset(&arg, 0, sizeof(arg));
166 arg.handle = bo->base.handle;
167 arg.offset = bo->base.offset;
168 arg.size = (uint64_t)bo->base.size;
170 ret = drmCommandWriteRead(bo->base.kms->fd, DRM_RADEON_GEM_MMAP,
175 map = drm_mmap(0, arg.size, PROT_READ | PROT_WRITE, MAP_SHARED,
176 bo->base.kms->fd, arg.addr_ptr);
177 if (map == MAP_FAILED)
188 radeon_bo_unmap(struct kms_bo *_bo)
190 struct radeon_bo *bo = (struct radeon_bo *)_bo;
191 if (--bo->map_count == 0) {
192 drm_munmap(bo->base.ptr, bo->base.size);
199 radeon_bo_destroy(struct kms_bo *_bo)
201 struct radeon_bo *bo = (struct radeon_bo *)_bo;
202 struct drm_gem_close arg;
206 /* XXX Sanity check map_count */
207 drm_munmap(bo->base.ptr, bo->base.size);
211 memset(&arg, 0, sizeof(arg));
212 arg.handle = bo->base.handle;
214 ret = drmIoctl(bo->base.kms->fd, DRM_IOCTL_GEM_CLOSE, &arg);
223 radeon_create(int fd, struct kms_driver **out)
225 struct kms_driver *kms;
227 kms = calloc(1, sizeof(*kms));
233 kms->bo_create = radeon_bo_create;
234 kms->bo_map = radeon_bo_map;
235 kms->bo_unmap = radeon_bo_unmap;
236 kms->bo_get_prop = radeon_bo_get_prop;
237 kms->bo_destroy = radeon_bo_destroy;
238 kms->get_prop = radeon_get_prop;
239 kms->destroy = radeon_destroy;