161 lines
4.3 KiB
C
161 lines
4.3 KiB
C
/*
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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_PUSHBUF_H__
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#define __NOUVEAU_PUSHBUF_H__
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#include <assert.h>
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#include <string.h>
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#include "nouveau_bo.h"
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#include "nouveau_grobj.h"
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struct nouveau_pushbuf {
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struct nouveau_channel *channel;
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unsigned remaining;
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uint32_t *cur;
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};
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int
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nouveau_pushbuf_flush(struct nouveau_channel *, unsigned min);
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int
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nouveau_pushbuf_emit_reloc(struct nouveau_channel *, void *ptr,
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struct nouveau_bo *, uint32_t data, uint32_t flags,
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uint32_t vor, uint32_t tor);
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/* Push buffer access macros */
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static __inline__ void
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OUT_RING(struct nouveau_channel *chan, unsigned data)
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{
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*(chan->pushbuf->cur++) = (data);
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}
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static __inline__ void
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OUT_RINGp(struct nouveau_channel *chan, const void *data, unsigned size)
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{
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memcpy(chan->pushbuf->cur, data, size * 4);
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chan->pushbuf->cur += size;
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}
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static __inline__ void
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OUT_RINGf(struct nouveau_channel *chan, float f)
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{
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union { uint32_t i; float f; } c;
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c.f = f;
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OUT_RING(chan, c.i);
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}
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static __inline__ unsigned
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AVAIL_RING(struct nouveau_channel *chan)
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{
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return chan->pushbuf->remaining;
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}
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static __inline__ void
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WAIT_RING(struct nouveau_channel *chan, unsigned size)
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{
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if (chan->pushbuf->remaining < size)
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nouveau_pushbuf_flush(chan, size);
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}
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static __inline__ void
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BEGIN_RING(struct nouveau_channel *chan, struct nouveau_grobj *gr,
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unsigned mthd, unsigned size)
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{
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if (gr->bound == NOUVEAU_GROBJ_UNBOUND)
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nouveau_grobj_autobind(gr);
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chan->subc[gr->subc].sequence = chan->subc_sequence++;
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WAIT_RING(chan, size + 1);
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OUT_RING(chan, (gr->subc << 13) | (size << 18) | mthd);
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chan->pushbuf->remaining -= (size + 1);
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}
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static __inline__ void
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FIRE_RING(struct nouveau_channel *chan)
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{
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nouveau_pushbuf_flush(chan, 0);
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}
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static __inline__ void
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BIND_RING(struct nouveau_channel *chan, struct nouveau_grobj *gr, unsigned sc)
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{
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struct nouveau_subchannel *subc = &gr->channel->subc[sc];
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if (subc->gr) {
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if (subc->gr->bound == NOUVEAU_GROBJ_BOUND_EXPLICIT)
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assert(0);
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subc->gr->bound = NOUVEAU_GROBJ_UNBOUND;
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}
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subc->gr = gr;
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subc->gr->subc = sc;
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subc->gr->bound = NOUVEAU_GROBJ_BOUND_EXPLICIT;
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BEGIN_RING(chan, gr, 0x0000, 1);
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OUT_RING (chan, gr->handle);
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}
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static __inline__ void
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OUT_RELOC(struct nouveau_channel *chan, struct nouveau_bo *bo,
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unsigned data, unsigned flags, unsigned vor, unsigned tor)
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{
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nouveau_pushbuf_emit_reloc(chan, chan->pushbuf->cur++, bo,
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data, flags, vor, tor);
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}
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/* Raw data + flags depending on FB/TT buffer */
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static __inline__ void
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OUT_RELOCd(struct nouveau_channel *chan, struct nouveau_bo *bo,
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unsigned data, unsigned flags, unsigned vor, unsigned tor)
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{
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OUT_RELOC(chan, bo, data, flags | NOUVEAU_BO_OR, vor, tor);
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}
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/* FB/TT object handle */
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static __inline__ void
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OUT_RELOCo(struct nouveau_channel *chan, struct nouveau_bo *bo,
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unsigned flags)
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{
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OUT_RELOC(chan, bo, 0, flags | NOUVEAU_BO_OR,
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chan->vram->handle, chan->gart->handle);
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}
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/* Low 32-bits of offset */
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static __inline__ void
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OUT_RELOCl(struct nouveau_channel *chan, struct nouveau_bo *bo,
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unsigned delta, unsigned flags)
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{
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OUT_RELOC(chan, bo, delta, flags | NOUVEAU_BO_LOW, 0, 0);
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}
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/* High 32-bits of offset */
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static __inline__ void
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OUT_RELOCh(struct nouveau_channel *chan, struct nouveau_bo *bo,
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unsigned delta, unsigned flags)
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{
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OUT_RELOC(chan, bo, delta, flags | NOUVEAU_BO_HIGH, 0, 0);
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}
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#endif
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