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 "nv50.h"
25#include "channv50.h"
26
27static void
28g84_fifo_uevent_fini(struct nvkm_fifo *fifo)
29{
30	struct nvkm_device *device = fifo->engine.subdev.device;
31	nvkm_mask(device, 0x002140, 0x40000000, 0x00000000);
32}
33
34static void
35g84_fifo_uevent_init(struct nvkm_fifo *fifo)
36{
37	struct nvkm_device *device = fifo->engine.subdev.device;
38	nvkm_mask(device, 0x002140, 0x40000000, 0x40000000);
39}
40
41static const struct nvkm_fifo_func
42g84_fifo = {
43	.dtor = nv50_fifo_dtor,
44	.oneinit = nv50_fifo_oneinit,
45	.init = nv50_fifo_init,
46	.intr = nv04_fifo_intr,
47	.pause = nv04_fifo_pause,
48	.start = nv04_fifo_start,
49	.uevent_init = g84_fifo_uevent_init,
50	.uevent_fini = g84_fifo_uevent_fini,
51	.chan = {
52		&g84_fifo_dma_oclass,
53		&g84_fifo_gpfifo_oclass,
54		NULL
55	},
56};
57
58int
59g84_fifo_new(struct nvkm_device *device, int index, struct nvkm_fifo **pfifo)
60{
61	return nv50_fifo_new_(&g84_fifo, device, index, pfifo);
62}
63