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
27 static void
28 g84_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
34 static void
35 g84_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
41 static const struct nvkm_fifo_func
42 g84_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
58 int
59 g84_fifo_new(struct nvkm_device *device, int index, struct nvkm_fifo **pfifo)
60 {
61 return nv50_fifo_new_(&g84_fifo, device, index, pfifo);
62 }