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 "priv.h"
25
26#include <nvif/class.h>
27
28void
29gk104_ce_intr(struct nvkm_engine *ce)
30{
31	const u32 base = (ce->subdev.index - NVKM_ENGINE_CE0) * 0x1000;
32	struct nvkm_subdev *subdev = &ce->subdev;
33	struct nvkm_device *device = subdev->device;
34	u32 stat = nvkm_rd32(device, 0x104908 + base);
35	if (stat) {
36		nvkm_warn(subdev, "intr %08x\n", stat);
37		nvkm_wr32(device, 0x104908 + base, stat);
38	}
39}
40
41static const struct nvkm_engine_func
42gk104_ce = {
43	.intr = gk104_ce_intr,
44	.sclass = {
45		{ -1, -1, KEPLER_DMA_COPY_A },
46		{}
47	}
48};
49
50int
51gk104_ce_new(struct nvkm_device *device, int index,
52	     struct nvkm_engine **pengine)
53{
54	if (index == NVKM_ENGINE_CE0) {
55		return nvkm_engine_new_(&gk104_ce, device, index,
56					0x00000040, true, pengine);
57	} else
58	if (index == NVKM_ENGINE_CE1) {
59		return nvkm_engine_new_(&gk104_ce, device, index,
60					0x00000080, true, pengine);
61	} else
62	if (index == NVKM_ENGINE_CE2) {
63		return nvkm_engine_new_(&gk104_ce, device, index,
64					0x00200000, true, pengine);
65	}
66	return -ENODEV;
67}
68