1 /* $NetBSD: nouveau_nvkm_subdev_mc_nv44.c,v 1.3 2021/12/18 23:45:40 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_subdev_mc_nv44.c,v 1.3 2021/12/18 23:45:40 riastradh Exp $");
28
29 #include "priv.h"
30
31 void
nv44_mc_init(struct nvkm_mc * mc)32 nv44_mc_init(struct nvkm_mc *mc)
33 {
34 struct nvkm_device *device = mc->subdev.device;
35 u32 tmp = nvkm_rd32(device, 0x10020c);
36
37 nvkm_wr32(device, 0x000200, 0xffffffff); /* everything enabled */
38
39 nvkm_wr32(device, 0x001700, tmp);
40 nvkm_wr32(device, 0x001704, 0);
41 nvkm_wr32(device, 0x001708, 0);
42 nvkm_wr32(device, 0x00170c, tmp);
43 }
44
45 static const struct nvkm_mc_func
46 nv44_mc = {
47 .init = nv44_mc_init,
48 .intr = nv17_mc_intr,
49 .intr_unarm = nv04_mc_intr_unarm,
50 .intr_rearm = nv04_mc_intr_rearm,
51 .intr_stat = nv04_mc_intr_stat,
52 .reset = nv17_mc_reset,
53 };
54
55 int
nv44_mc_new(struct nvkm_device * device,int index,struct nvkm_mc ** pmc)56 nv44_mc_new(struct nvkm_device *device, int index, struct nvkm_mc **pmc)
57 {
58 return nvkm_mc_new_(&nv44_mc, device, index, pmc);
59 }
60