1 /*
2  * Copyright 2012 Red Hat Inc.
3  *
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:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: Ben Skeggs
23  */
24 #include "nv04.h"
25 #include "channv04.h"
26 #include "regsnv04.h"
27 
28 static const struct nv04_fifo_ramfc
29 nv10_fifo_ramfc[] = {
30 	{ 32,  0, 0x00,  0, NV04_PFIFO_CACHE1_DMA_PUT },
31 	{ 32,  0, 0x04,  0, NV04_PFIFO_CACHE1_DMA_GET },
32 	{ 32,  0, 0x08,  0, NV10_PFIFO_CACHE1_REF_CNT },
33 	{ 16,  0, 0x0c,  0, NV04_PFIFO_CACHE1_DMA_INSTANCE },
34 	{ 16, 16, 0x0c,  0, NV04_PFIFO_CACHE1_DMA_DCOUNT },
35 	{ 32,  0, 0x10,  0, NV04_PFIFO_CACHE1_DMA_STATE },
36 	{ 32,  0, 0x14,  0, NV04_PFIFO_CACHE1_DMA_FETCH },
37 	{ 32,  0, 0x18,  0, NV04_PFIFO_CACHE1_ENGINE },
38 	{ 32,  0, 0x1c,  0, NV04_PFIFO_CACHE1_PULL1 },
39 	{}
40 };
41 
42 static const struct nvkm_fifo_func
43 nv10_fifo = {
44 	.init = nv04_fifo_init,
45 	.intr = nv04_fifo_intr,
46 	.engine_id = nv04_fifo_engine_id,
47 	.id_engine = nv04_fifo_id_engine,
48 	.pause = nv04_fifo_pause,
49 	.start = nv04_fifo_start,
50 	.chan = {
51 		&nv10_fifo_dma_oclass,
52 		NULL
53 	},
54 };
55 
56 int
57 nv10_fifo_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
58 	      struct nvkm_fifo **pfifo)
59 {
60 	return nv04_fifo_new_(&nv10_fifo, device, type, inst, 32, nv10_fifo_ramfc, pfifo);
61 }
62