1 /* $NetBSD: nouveau_nvkm_engine_fifo_nv10.c,v 1.3 2021/12/18 23:45:35 riastradh Exp $ */
2
3 /*
4 * Copyright 2012 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Ben Skeggs
25 */
26 #include <sys/cdefs.h>
27 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_fifo_nv10.c,v 1.3 2021/12/18 23:45:35 riastradh Exp $");
28
29 #include "nv04.h"
30 #include "channv04.h"
31 #include "regsnv04.h"
32
33 static const struct nv04_fifo_ramfc
34 nv10_fifo_ramfc[] = {
35 { 32, 0, 0x00, 0, NV04_PFIFO_CACHE1_DMA_PUT },
36 { 32, 0, 0x04, 0, NV04_PFIFO_CACHE1_DMA_GET },
37 { 32, 0, 0x08, 0, NV10_PFIFO_CACHE1_REF_CNT },
38 { 16, 0, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_INSTANCE },
39 { 16, 16, 0x0c, 0, NV04_PFIFO_CACHE1_DMA_DCOUNT },
40 { 32, 0, 0x10, 0, NV04_PFIFO_CACHE1_DMA_STATE },
41 { 32, 0, 0x14, 0, NV04_PFIFO_CACHE1_DMA_FETCH },
42 { 32, 0, 0x18, 0, NV04_PFIFO_CACHE1_ENGINE },
43 { 32, 0, 0x1c, 0, NV04_PFIFO_CACHE1_PULL1 },
44 {}
45 };
46
47 static const struct nvkm_fifo_func
48 nv10_fifo = {
49 .init = nv04_fifo_init,
50 .intr = nv04_fifo_intr,
51 .pause = nv04_fifo_pause,
52 .start = nv04_fifo_start,
53 .chan = {
54 &nv10_fifo_dma_oclass,
55 NULL
56 },
57 };
58
59 int
nv10_fifo_new(struct nvkm_device * device,int index,struct nvkm_fifo ** pfifo)60 nv10_fifo_new(struct nvkm_device *device, int index, struct nvkm_fifo **pfifo)
61 {
62 return nv04_fifo_new_(&nv10_fifo, device, index, 32,
63 nv10_fifo_ramfc, pfifo);
64 }
65