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 **************************************************************************/
30 #define _FILE_OFFSET_BITS 64
39 #include <sys/ioctl.h>
42 #include "nouveau_drm.h"
52 nouveau_get_prop(struct kms_driver *kms, unsigned key, unsigned *out)
56 *out = KMS_BO_TYPE_SCANOUT_X8R8G8B8 | KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8;
65 nouveau_destroy(struct kms_driver *kms)
72 nouveau_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_nouveau_gem_new arg;
79 struct nouveau_bo *bo;
82 for (i = 0; attr[i]; i += 2) {
93 bo = calloc(1, sizeof(*bo));
97 if (type == KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8) {
100 } else if (type == KMS_BO_TYPE_SCANOUT_X8R8G8B8) {
102 pitch = (pitch + 512 - 1) & ~(512 - 1);
103 size = pitch * height;
109 memset(&arg, 0, sizeof(arg));
110 arg.info.size = size;
111 arg.info.domain = NOUVEAU_GEM_DOMAIN_MAPPABLE | NOUVEAU_GEM_DOMAIN_VRAM;
112 arg.info.tile_mode = 0;
113 arg.info.tile_flags = 0;
115 arg.channel_hint = 0;
117 ret = drmCommandWriteRead(kms->fd, DRM_NOUVEAU_GEM_NEW, &arg, sizeof(arg));
122 bo->base.handle = arg.info.handle;
123 bo->base.size = size;
124 bo->base.pitch = pitch;
125 bo->map_handle = arg.info.map_handle;
137 nouveau_bo_get_prop(struct kms_bo *bo, unsigned key, unsigned *out)
146 nouveau_bo_map(struct kms_bo *_bo, void **out)
148 struct nouveau_bo *bo = (struct nouveau_bo *)_bo;
157 map = mmap(0, bo->base.size, PROT_READ | PROT_WRITE, MAP_SHARED, bo->base.kms->fd, bo->map_handle);
158 if (map == MAP_FAILED)
169 nouveau_bo_unmap(struct kms_bo *_bo)
171 struct nouveau_bo *bo = (struct nouveau_bo *)_bo;
177 nouveau_bo_destroy(struct kms_bo *_bo)
179 struct nouveau_bo *bo = (struct nouveau_bo *)_bo;
180 struct drm_gem_close arg;
184 /* XXX Sanity check map_count */
185 munmap(bo->base.ptr, bo->base.size);
189 memset(&arg, 0, sizeof(arg));
190 arg.handle = bo->base.handle;
192 ret = drmIoctl(bo->base.kms->fd, DRM_IOCTL_GEM_CLOSE, &arg);
201 nouveau_create(int fd, struct kms_driver **out)
203 struct kms_driver *kms;
205 kms = calloc(1, sizeof(*kms));
211 kms->bo_create = nouveau_bo_create;
212 kms->bo_map = nouveau_bo_map;
213 kms->bo_unmap = nouveau_bo_unmap;
214 kms->bo_get_prop = nouveau_bo_get_prop;
215 kms->bo_destroy = nouveau_bo_destroy;
216 kms->get_prop = nouveau_get_prop;
217 kms->destroy = nouveau_destroy;