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/*
* 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
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