diff options
Diffstat (limited to 'nouveau/nouveau_pushbuf.h')
| -rw-r--r-- | nouveau/nouveau_pushbuf.h | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/nouveau/nouveau_pushbuf.h b/nouveau/nouveau_pushbuf.h new file mode 100644 index 00000000..c7ac8c45 --- /dev/null +++ b/nouveau/nouveau_pushbuf.h @@ -0,0 +1,196 @@ +/* + * 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_PUSHBUF_H__ +#define __NOUVEAU_PUSHBUF_H__ + +#include <assert.h> +#include <string.h> + +#include "nouveau_bo.h" +#include "nouveau_grobj.h" + +struct nouveau_pushbuf { + struct nouveau_channel *channel; + + unsigned remaining; + uint32_t *cur; +}; + +int +nouveau_pushbuf_flush(struct nouveau_channel *, unsigned min); + +int +nouveau_pushbuf_marker_emit(struct nouveau_channel *chan, + unsigned wait_dwords, unsigned wait_relocs); + +void +nouveau_pushbuf_marker_undo(struct nouveau_channel *chan); + +int +nouveau_pushbuf_emit_reloc(struct nouveau_channel *, void *ptr, + struct nouveau_bo *, uint32_t data, uint32_t data2, + uint32_t flags, uint32_t vor, uint32_t tor); + +/* Push buffer access macros */ +static __inline__ int +MARK_RING(struct nouveau_channel *chan, unsigned dwords, unsigned relocs) +{ + return nouveau_pushbuf_marker_emit(chan, dwords, relocs); +} + +static __inline__ void +MARK_UNDO(struct nouveau_channel *chan) +{ + nouveau_pushbuf_marker_undo(chan); +} + +static __inline__ void +OUT_RING(struct nouveau_channel *chan, unsigned data) +{ + *(chan->pushbuf->cur++) = (data); +} + +static __inline__ void +OUT_RINGp(struct nouveau_channel *chan, const void *data, unsigned size) +{ + memcpy(chan->pushbuf->cur, data, size * 4); + chan->pushbuf->cur += size; +} + +static __inline__ void +OUT_RINGf(struct nouveau_channel *chan, float f) +{ + union { uint32_t i; float f; } c; + c.f = f; + OUT_RING(chan, c.i); +} + +static __inline__ unsigned +AVAIL_RING(struct nouveau_channel *chan) +{ + return chan->pushbuf->remaining; +} + +static __inline__ void +WAIT_RING(struct nouveau_channel *chan, unsigned size) +{ + if (chan->pushbuf->remaining < size) + nouveau_pushbuf_flush(chan, size); +} + +static __inline__ void +BEGIN_RING(struct nouveau_channel *chan, struct nouveau_grobj *gr, + unsigned mthd, unsigned size) +{ + if (gr->bound == NOUVEAU_GROBJ_UNBOUND) + nouveau_grobj_autobind(gr); + chan->subc[gr->subc].sequence = chan->subc_sequence++; + + WAIT_RING(chan, size + 1); + OUT_RING(chan, (gr->subc << 13) | (size << 18) | mthd); + chan->pushbuf->remaining -= (size + 1); +} + +static __inline__ void +FIRE_RING(struct nouveau_channel *chan) +{ + nouveau_pushbuf_flush(chan, 0); +} + +static __inline__ void +BIND_RING(struct nouveau_channel *chan, struct nouveau_grobj *gr, unsigned sc) +{ + struct nouveau_subchannel *subc = &gr->channel->subc[sc]; + + if (subc->gr) { + if (subc->gr->bound == NOUVEAU_GROBJ_BOUND_EXPLICIT) + assert(0); + subc->gr->bound = NOUVEAU_GROBJ_UNBOUND; + } + subc->gr = gr; + subc->gr->subc = sc; + subc->gr->bound = NOUVEAU_GROBJ_BOUND_EXPLICIT; + + BEGIN_RING(chan, gr, 0x0000, 1); + OUT_RING (chan, gr->handle); +} + +static __inline__ int +OUT_RELOC(struct nouveau_channel *chan, struct nouveau_bo *bo, + unsigned data, unsigned flags, unsigned vor, unsigned tor) +{ + return nouveau_pushbuf_emit_reloc(chan, chan->pushbuf->cur++, bo, + data, 0, flags, vor, tor); +} + +static __inline__ int +OUT_RELOC2(struct nouveau_channel *chan, struct nouveau_bo *bo, + unsigned data, unsigned data2, unsigned flags, + unsigned vor, unsigned tor) +{ + return nouveau_pushbuf_emit_reloc(chan, chan->pushbuf->cur++, bo, + data, data2, flags, vor, tor); +} + +/* Raw data + flags depending on FB/TT buffer */ +static __inline__ int +OUT_RELOCd(struct nouveau_channel *chan, struct nouveau_bo *bo, + unsigned data, unsigned flags, unsigned vor, unsigned tor) +{ + return OUT_RELOC(chan, bo, data, flags | NOUVEAU_BO_OR, vor, tor); +} + +/* FB/TT object handle */ +static __inline__ int +OUT_RELOCo(struct nouveau_channel *chan, struct nouveau_bo *bo, + unsigned flags) +{ + return OUT_RELOC(chan, bo, 0, flags | NOUVEAU_BO_OR, + chan->vram->handle, chan->gart->handle); +} + +/* Low 32-bits of offset */ +static __inline__ int +OUT_RELOCl(struct nouveau_channel *chan, struct nouveau_bo *bo, + unsigned delta, unsigned flags) +{ + return OUT_RELOC(chan, bo, delta, flags | NOUVEAU_BO_LOW, 0, 0); +} + +/* Low 32-bits of offset + GPU linear access range info */ +static __inline__ int +OUT_RELOCr(struct nouveau_channel *chan, struct nouveau_bo *bo, + unsigned delta, unsigned size, unsigned flags) +{ + return OUT_RELOC2(chan, bo, delta, size, flags | NOUVEAU_BO_LOW, 0, 0); +} + +/* High 32-bits of offset */ +static __inline__ int +OUT_RELOCh(struct nouveau_channel *chan, struct nouveau_bo *bo, + unsigned delta, unsigned flags) +{ + return OUT_RELOC(chan, bo, delta, flags | NOUVEAU_BO_HIGH, 0, 0); +} + +#endif |