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"
32 struct nouveau_pushbuf {
33 struct nouveau_channel *channel;
40 nouveau_pushbuf_flush(struct nouveau_channel *, unsigned min);
43 nouveau_pushbuf_marker_emit(struct nouveau_channel *chan,
44 unsigned wait_dwords, unsigned wait_relocs);
47 nouveau_pushbuf_marker_undo(struct nouveau_channel *chan);
50 nouveau_pushbuf_emit_reloc(struct nouveau_channel *, void *ptr,
51 struct nouveau_bo *, uint32_t data, uint32_t data2,
52 uint32_t flags, uint32_t vor, uint32_t tor);
54 /* Push buffer access macros */
56 MARK_RING(struct nouveau_channel *chan, unsigned dwords, unsigned relocs)
58 return nouveau_pushbuf_marker_emit(chan, dwords, relocs);
61 static __inline__ void
62 MARK_UNDO(struct nouveau_channel *chan)
64 nouveau_pushbuf_marker_undo(chan);
67 static __inline__ void
68 OUT_RING(struct nouveau_channel *chan, unsigned data)
70 *(chan->pushbuf->cur++) = (data);
73 static __inline__ void
74 OUT_RINGp(struct nouveau_channel *chan, const void *data, unsigned size)
76 memcpy(chan->pushbuf->cur, data, size * 4);
77 chan->pushbuf->cur += size;
80 static __inline__ void
81 OUT_RINGf(struct nouveau_channel *chan, float f)
83 union { uint32_t i; float f; } c;
88 static __inline__ unsigned
89 AVAIL_RING(struct nouveau_channel *chan)
91 return chan->pushbuf->remaining;
94 static __inline__ void
95 WAIT_RING(struct nouveau_channel *chan, unsigned size)
97 if (chan->pushbuf->remaining < size)
98 nouveau_pushbuf_flush(chan, size);
101 static __inline__ void
102 BEGIN_RING(struct nouveau_channel *chan, struct nouveau_grobj *gr,
103 unsigned mthd, unsigned size)
105 if (gr->bound == NOUVEAU_GROBJ_UNBOUND)
106 nouveau_grobj_autobind(gr);
107 chan->subc[gr->subc].sequence = chan->subc_sequence++;
109 WAIT_RING(chan, size + 1);
110 OUT_RING(chan, (gr->subc << 13) | (size << 18) | mthd);
111 chan->pushbuf->remaining -= (size + 1);
114 static __inline__ void
115 FIRE_RING(struct nouveau_channel *chan)
117 nouveau_pushbuf_flush(chan, 0);
120 static __inline__ void
121 BIND_RING(struct nouveau_channel *chan, struct nouveau_grobj *gr, unsigned sc)
123 struct nouveau_subchannel *subc = &gr->channel->subc[sc];
126 if (subc->gr->bound == NOUVEAU_GROBJ_BOUND_EXPLICIT)
128 subc->gr->bound = NOUVEAU_GROBJ_UNBOUND;
132 subc->gr->bound = NOUVEAU_GROBJ_BOUND_EXPLICIT;
134 BEGIN_RING(chan, gr, 0x0000, 1);
135 OUT_RING (chan, gr->handle);
138 static __inline__ int
139 OUT_RELOC(struct nouveau_channel *chan, struct nouveau_bo *bo,
140 unsigned data, unsigned flags, unsigned vor, unsigned tor)
142 return nouveau_pushbuf_emit_reloc(chan, chan->pushbuf->cur++, bo,
143 data, 0, flags, vor, tor);
146 static __inline__ int
147 OUT_RELOC2(struct nouveau_channel *chan, struct nouveau_bo *bo,
148 unsigned data, unsigned data2, unsigned flags,
149 unsigned vor, unsigned tor)
151 return nouveau_pushbuf_emit_reloc(chan, chan->pushbuf->cur++, bo,
152 data, data2, flags, vor, tor);
155 /* Raw data + flags depending on FB/TT buffer */
156 static __inline__ int
157 OUT_RELOCd(struct nouveau_channel *chan, struct nouveau_bo *bo,
158 unsigned data, unsigned flags, unsigned vor, unsigned tor)
160 return OUT_RELOC(chan, bo, data, flags | NOUVEAU_BO_OR, vor, tor);
163 /* FB/TT object handle */
164 static __inline__ int
165 OUT_RELOCo(struct nouveau_channel *chan, struct nouveau_bo *bo,
168 return OUT_RELOC(chan, bo, 0, flags | NOUVEAU_BO_OR,
169 chan->vram->handle, chan->gart->handle);
172 /* Low 32-bits of offset */
173 static __inline__ int
174 OUT_RELOCl(struct nouveau_channel *chan, struct nouveau_bo *bo,
175 unsigned delta, unsigned flags)
177 return OUT_RELOC(chan, bo, delta, flags | NOUVEAU_BO_LOW, 0, 0);
180 /* Low 32-bits of offset + GPU linear access range info */
181 static __inline__ int
182 OUT_RELOCr(struct nouveau_channel *chan, struct nouveau_bo *bo,
183 unsigned delta, unsigned size, unsigned flags)
185 return OUT_RELOC2(chan, bo, delta, size, flags | NOUVEAU_BO_LOW, 0, 0);
188 /* High 32-bits of offset */
189 static __inline__ int
190 OUT_RELOCh(struct nouveau_channel *chan, struct nouveau_bo *bo,
191 unsigned delta, unsigned flags)
193 return OUT_RELOC(chan, bo, delta, flags | NOUVEAU_BO_HIGH, 0, 0);