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