1 /* $NetBSD: nouveau_nvkm_engine_fifo_g84.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_g84.c,v 1.3 2021/12/18 23:45:35 riastradh Exp $");
28
29 #include "nv50.h"
30 #include "channv50.h"
31
32 static void
g84_fifo_uevent_fini(struct nvkm_fifo * fifo)33 g84_fifo_uevent_fini(struct nvkm_fifo *fifo)
34 {
35 struct nvkm_device *device = fifo->engine.subdev.device;
36 nvkm_mask(device, 0x002140, 0x40000000, 0x00000000);
37 }
38
39 static void
g84_fifo_uevent_init(struct nvkm_fifo * fifo)40 g84_fifo_uevent_init(struct nvkm_fifo *fifo)
41 {
42 struct nvkm_device *device = fifo->engine.subdev.device;
43 nvkm_mask(device, 0x002140, 0x40000000, 0x40000000);
44 }
45
46 static const struct nvkm_fifo_func
47 g84_fifo = {
48 .dtor = nv50_fifo_dtor,
49 .oneinit = nv50_fifo_oneinit,
50 .init = nv50_fifo_init,
51 .intr = nv04_fifo_intr,
52 .pause = nv04_fifo_pause,
53 .start = nv04_fifo_start,
54 .uevent_init = g84_fifo_uevent_init,
55 .uevent_fini = g84_fifo_uevent_fini,
56 .chan = {
57 &g84_fifo_dma_oclass,
58 &g84_fifo_gpfifo_oclass,
59 NULL
60 },
61 };
62
63 int
g84_fifo_new(struct nvkm_device * device,int index,struct nvkm_fifo ** pfifo)64 g84_fifo_new(struct nvkm_device *device, int index, struct nvkm_fifo **pfifo)
65 {
66 return nv50_fifo_new_(&g84_fifo, device, index, pfifo);
67 }
68