2 * Copyright 2007 Nouveau Project
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 #ifndef __NOUVEAU_PUSHBUF_H__
24 #define __NOUVEAU_PUSHBUF_H__
29 #include "nouveau_bo.h"
30 #include "nouveau_grobj.h"
33 nouveau_pushbuf_flush(struct nouveau_channel *, unsigned min);
36 nouveau_pushbuf_marker_emit(struct nouveau_channel *chan,
37 unsigned wait_dwords, unsigned wait_relocs);
40 nouveau_pushbuf_marker_undo(struct nouveau_channel *chan);
43 nouveau_pushbuf_emit_reloc(struct nouveau_channel *, void *ptr,
44 struct nouveau_bo *, uint32_t data, uint32_t data2,
45 uint32_t flags, uint32_t vor, uint32_t tor);
48 nouveau_pushbuf_submit(struct nouveau_channel *chan, struct nouveau_bo *bo,
49 unsigned offset, unsigned length);
51 /* Push buffer access macros */
53 MARK_RING(struct nouveau_channel *chan, unsigned dwords, unsigned relocs)
55 return nouveau_pushbuf_marker_emit(chan, dwords, relocs);
58 static __inline__ void
59 MARK_UNDO(struct nouveau_channel *chan)
61 nouveau_pushbuf_marker_undo(chan);
64 static __inline__ void
65 OUT_RING(struct nouveau_channel *chan, unsigned data)
67 *(chan->cur++) = (data);
70 static __inline__ void
71 OUT_RINGp(struct nouveau_channel *chan, const void *data, unsigned size)
73 memcpy(chan->cur, data, size * 4);
77 static __inline__ void
78 OUT_RINGf(struct nouveau_channel *chan, float f)
80 union { uint32_t i; float f; } c;
85 static __inline__ unsigned
86 AVAIL_RING(struct nouveau_channel *chan)
88 return chan->end - chan->cur;
91 static __inline__ void
92 WAIT_RING(struct nouveau_channel *chan, unsigned size)
94 if (chan->cur + size > chan->end)
95 nouveau_pushbuf_flush(chan, size);
98 static __inline__ void
99 BEGIN_RING(struct nouveau_channel *chan, struct nouveau_grobj *gr,
100 unsigned mthd, unsigned size)
102 if (gr->bound == NOUVEAU_GROBJ_UNBOUND)
103 nouveau_grobj_autobind(gr);
104 chan->subc[gr->subc].sequence = chan->subc_sequence++;
106 WAIT_RING(chan, size + 1);
107 OUT_RING(chan, (gr->subc << 13) | (size << 18) | mthd);
110 /* non-incrementing BEGIN_RING */
111 static __inline__ void
112 BEGIN_RING_NI(struct nouveau_channel *chan, struct nouveau_grobj *gr,
113 unsigned mthd, unsigned size)
115 BEGIN_RING(chan, gr, mthd | 0x40000000, size);
118 static __inline__ void
119 FIRE_RING(struct nouveau_channel *chan)
121 nouveau_pushbuf_flush(chan, 0);
124 static __inline__ void
125 BIND_RING(struct nouveau_channel *chan, struct nouveau_grobj *gr, unsigned sc)
127 struct nouveau_subchannel *subc = &gr->channel->subc[sc];
130 if (subc->gr->bound == NOUVEAU_GROBJ_BOUND_EXPLICIT)
132 subc->gr->bound = NOUVEAU_GROBJ_UNBOUND;
136 subc->gr->bound = NOUVEAU_GROBJ_BOUND_EXPLICIT;
138 BEGIN_RING(chan, gr, 0x0000, 1);
139 OUT_RING (chan, gr->handle);
142 static __inline__ int
143 OUT_RELOC(struct nouveau_channel *chan, struct nouveau_bo *bo,
144 unsigned data, unsigned flags, unsigned vor, unsigned tor)
146 return nouveau_pushbuf_emit_reloc(chan, chan->cur++, bo,
147 data, 0, flags, vor, tor);
150 static __inline__ int
151 OUT_RELOC2(struct nouveau_channel *chan, struct nouveau_bo *bo,
152 unsigned data, unsigned data2, unsigned flags,
153 unsigned vor, unsigned tor)
155 return nouveau_pushbuf_emit_reloc(chan, chan->cur++, bo,
156 data, data2, flags, vor, tor);
159 /* Raw data + flags depending on FB/TT buffer */
160 static __inline__ int
161 OUT_RELOCd(struct nouveau_channel *chan, struct nouveau_bo *bo,
162 unsigned data, unsigned flags, unsigned vor, unsigned tor)
164 return OUT_RELOC(chan, bo, data, flags | NOUVEAU_BO_OR, vor, tor);
167 /* FB/TT object handle */
168 static __inline__ int
169 OUT_RELOCo(struct nouveau_channel *chan, struct nouveau_bo *bo,
172 return OUT_RELOC(chan, bo, 0, flags | NOUVEAU_BO_OR,
173 chan->vram->handle, chan->gart->handle);
176 /* Low 32-bits of offset */
177 static __inline__ int
178 OUT_RELOCl(struct nouveau_channel *chan, struct nouveau_bo *bo,
179 unsigned delta, unsigned flags)
181 return OUT_RELOC(chan, bo, delta, flags | NOUVEAU_BO_LOW, 0, 0);
184 /* Low 32-bits of offset + GPU linear access range info */
185 static __inline__ int
186 OUT_RELOCr(struct nouveau_channel *chan, struct nouveau_bo *bo,
187 unsigned delta, unsigned size, unsigned flags)
189 return OUT_RELOC2(chan, bo, delta, size, flags | NOUVEAU_BO_LOW, 0, 0);
192 /* High 32-bits of offset */
193 static __inline__ int
194 OUT_RELOCh(struct nouveau_channel *chan, struct nouveau_bo *bo,
195 unsigned delta, unsigned flags)
197 return OUT_RELOC(chan, bo, delta, flags | NOUVEAU_BO_HIGH, 0, 0);