diff options
Diffstat (limited to 'nouveau/nouveau_channel.h')
-rw-r--r-- | nouveau/nouveau_channel.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/nouveau/nouveau_channel.h b/nouveau/nouveau_channel.h new file mode 100644 index 00000000..294f7497 --- /dev/null +++ b/nouveau/nouveau_channel.h @@ -0,0 +1,56 @@ +/* + * Copyright 2007 Nouveau Project + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef __NOUVEAU_CHANNEL_H__ +#define __NOUVEAU_CHANNEL_H__ + +struct nouveau_subchannel { + struct nouveau_grobj *gr; + unsigned sequence; +}; + +struct nouveau_channel { + struct nouveau_device *device; + int id; + + struct nouveau_pushbuf *pushbuf; + + struct nouveau_grobj *nullobj; + struct nouveau_grobj *vram; + struct nouveau_grobj *gart; + + void *user_private; + void (*hang_notify)(struct nouveau_channel *); + void (*flush_notify)(struct nouveau_channel *); + + struct nouveau_subchannel subc[8]; + unsigned subc_sequence; +}; + +int +nouveau_channel_alloc(struct nouveau_device *, uint32_t fb, uint32_t tt, + struct nouveau_channel **); + +void +nouveau_channel_free(struct nouveau_channel **); + +#endif |