1 /* $NetBSD: nouveau_nvkm_subdev_devinit_g98.c,v 1.3 2021/12/18 23:45:39 riastradh Exp $ */
2
3 /*
4 * Copyright 2013 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_devinit_g98.c,v 1.3 2021/12/18 23:45:39 riastradh Exp $");
28
29 #include "nv50.h"
30
31 #include <subdev/bios.h>
32 #include <subdev/bios/init.h>
33
34 static u64
g98_devinit_disable(struct nvkm_devinit * init)35 g98_devinit_disable(struct nvkm_devinit *init)
36 {
37 struct nvkm_device *device = init->subdev.device;
38 u32 r001540 = nvkm_rd32(device, 0x001540);
39 u32 r00154c = nvkm_rd32(device, 0x00154c);
40 u64 disable = 0ULL;
41
42 if (!(r001540 & 0x40000000)) {
43 disable |= (1ULL << NVKM_ENGINE_MSPDEC);
44 disable |= (1ULL << NVKM_ENGINE_MSVLD);
45 disable |= (1ULL << NVKM_ENGINE_MSPPP);
46 }
47
48 if (!(r00154c & 0x00000004))
49 disable |= (1ULL << NVKM_ENGINE_DISP);
50 if (!(r00154c & 0x00000020))
51 disable |= (1ULL << NVKM_ENGINE_MSVLD);
52 if (!(r00154c & 0x00000040))
53 disable |= (1ULL << NVKM_ENGINE_SEC);
54
55 return disable;
56 }
57
58 static const struct nvkm_devinit_func
59 g98_devinit = {
60 .preinit = nv50_devinit_preinit,
61 .init = nv50_devinit_init,
62 .post = nv04_devinit_post,
63 .pll_set = nv50_devinit_pll_set,
64 .disable = g98_devinit_disable,
65 };
66
67 int
g98_devinit_new(struct nvkm_device * device,int index,struct nvkm_devinit ** pinit)68 g98_devinit_new(struct nvkm_device *device, int index,
69 struct nvkm_devinit **pinit)
70 {
71 return nv50_devinit_new_(&g98_devinit, device, index, pinit);
72 }
73