1/*
2 * Copyright 2015 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 "gk104.h"
25
26#include <nvif/class.h>
27
28static struct nvkm_oclass
29gm204_fifo_sclass[] = {
30	{ MAXWELL_CHANNEL_GPFIFO_A, &gk104_fifo_chan_ofuncs },
31	{}
32};
33
34static int
35gm204_fifo_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
36		struct nvkm_oclass *oclass, void *data, u32 size,
37		struct nvkm_object **pobject)
38{
39	int ret = gk104_fifo_ctor(parent, engine, oclass, data, size, pobject);
40	if (ret == 0) {
41		struct gk104_fifo_priv *priv = (void *)*pobject;
42		nv_engine(priv)->sclass = gm204_fifo_sclass;
43	}
44	return ret;
45}
46
47struct nvkm_oclass *
48gm204_fifo_oclass = &(struct gk104_fifo_impl) {
49	.base.handle = NV_ENGINE(FIFO, 0x24),
50	.base.ofuncs = &(struct nvkm_ofuncs) {
51		.ctor = gm204_fifo_ctor,
52		.dtor = gk104_fifo_dtor,
53		.init = gk104_fifo_init,
54		.fini = _nvkm_fifo_fini,
55	},
56	.channels = 4096,
57}.base;
58