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 **************************************************************************/
35 #include <sys/ioctl.h>
37 #include "libdrm_macros.h"
39 #include "nouveau_drm.h"
49 nouveau_get_prop(struct kms_driver *kms, unsigned key, unsigned *out)
53 *out = KMS_BO_TYPE_SCANOUT_X8R8G8B8 | KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8;
62 nouveau_destroy(struct kms_driver *kms)
69 nouveau_bo_create(struct kms_driver *kms,
70 const unsigned width, const unsigned height,
71 const enum kms_bo_type type, const unsigned *attr,
74 struct drm_nouveau_gem_new arg;
76 struct nouveau_bo *bo;
79 for (i = 0; attr[i]; i += 2) {
90 bo = calloc(1, sizeof(*bo));
94 if (type == KMS_BO_TYPE_CURSOR_64X64_A8R8G8B8) {
97 } else if (type == KMS_BO_TYPE_SCANOUT_X8R8G8B8) {
99 pitch = (pitch + 512 - 1) & ~(512 - 1);
100 size = pitch * height;
106 memset(&arg, 0, sizeof(arg));
107 arg.info.size = size;
108 arg.info.domain = NOUVEAU_GEM_DOMAIN_MAPPABLE | NOUVEAU_GEM_DOMAIN_VRAM;
109 arg.info.tile_mode = 0;
110 arg.info.tile_flags = 0;
112 arg.channel_hint = 0;
114 ret = drmCommandWriteRead(kms->fd, DRM_NOUVEAU_GEM_NEW, &arg, sizeof(arg));
119 bo->base.handle = arg.info.handle;
120 bo->base.size = size;
121 bo->base.pitch = pitch;
122 bo->map_handle = arg.info.map_handle;
134 nouveau_bo_get_prop(struct kms_bo *bo, unsigned key, unsigned *out)
143 nouveau_bo_map(struct kms_bo *_bo, void **out)
145 struct nouveau_bo *bo = (struct nouveau_bo *)_bo;
154 map = drm_mmap(0, bo->base.size, PROT_READ | PROT_WRITE, MAP_SHARED, bo->base.kms->fd, bo->map_handle);
155 if (map == MAP_FAILED)
166 nouveau_bo_unmap(struct kms_bo *_bo)
168 struct nouveau_bo *bo = (struct nouveau_bo *)_bo;
174 nouveau_bo_destroy(struct kms_bo *_bo)
176 struct nouveau_bo *bo = (struct nouveau_bo *)_bo;
177 struct drm_gem_close arg;
181 /* XXX Sanity check map_count */
182 drm_munmap(bo->base.ptr, bo->base.size);
186 memset(&arg, 0, sizeof(arg));
187 arg.handle = bo->base.handle;
189 ret = drmIoctl(bo->base.kms->fd, DRM_IOCTL_GEM_CLOSE, &arg);
198 nouveau_create(int fd, struct kms_driver **out)
200 struct kms_driver *kms;
202 kms = calloc(1, sizeof(*kms));
208 kms->bo_create = nouveau_bo_create;
209 kms->bo_map = nouveau_bo_map;
210 kms->bo_unmap = nouveau_bo_unmap;
211 kms->bo_get_prop = nouveau_bo_get_prop;
212 kms->bo_destroy = nouveau_bo_destroy;
213 kms->get_prop = nouveau_get_prop;
214 kms->destroy = nouveau_destroy;