nv44.c

 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
26void
27nv44_mc_init(struct nvkm_mc *mc)
28{
29	struct nvkm_device *device = mc->subdev.device;
30	u32 tmp = nvkm_rd32(device, 0x10020c);
31
32	nvkm_wr32(device, 0x000200, 0xffffffff); /* everything enabled */
33
34	nvkm_wr32(device, 0x001700, tmp);
35	nvkm_wr32(device, 0x001704, 0);
36	nvkm_wr32(device, 0x001708, 0);
37	nvkm_wr32(device, 0x00170c, tmp);
38}
39
40static const struct nvkm_mc_func
41nv44_mc = {
42	.init = nv44_mc_init,
43	.intr = &nv04_mc_intr,
44	.intrs = nv17_mc_intrs,
45	.device = &nv04_mc_device,
46	.reset = nv17_mc_reset,
47};
48
49int
50nv44_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
51{
52	return nvkm_mc_new_(&nv44_mc, device, type, inst, pmc);
53}