| /* |
| * 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 { |
| uint32_t *cur; |
| uint32_t *end; |
| |
| struct nouveau_device *device; |
| int id; |
| |
| 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, |
| int pushbuf_size, struct nouveau_channel **); |
| |
| void |
| nouveau_channel_free(struct nouveau_channel **); |
| |
| #endif |