1 /* $NetBSD: nouveau_nvkm_subdev_devinit_gm107.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_gm107.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 u64
gm107_devinit_disable(struct nvkm_devinit * init)35 gm107_devinit_disable(struct nvkm_devinit *init)
36 {
37 struct nvkm_device *device = init->subdev.device;
38 u32 r021c00 = nvkm_rd32(device, 0x021c00);
39 u32 r021c04 = nvkm_rd32(device, 0x021c04);
40 u64 disable = 0ULL;
41
42 if (r021c00 & 0x00000001)
43 disable |= (1ULL << NVKM_ENGINE_CE0);
44 if (r021c00 & 0x00000004)
45 disable |= (1ULL << NVKM_ENGINE_CE2);
46 if (r021c04 & 0x00000001)
47 disable |= (1ULL << NVKM_ENGINE_DISP);
48
49 return disable;
50 }
51
52 static const struct nvkm_devinit_func
53 gm107_devinit = {
54 .preinit = gf100_devinit_preinit,
55 .init = nv50_devinit_init,
56 .post = nv04_devinit_post,
57 .pll_set = gf100_devinit_pll_set,
58 .disable = gm107_devinit_disable,
59 };
60
61 int
gm107_devinit_new(struct nvkm_device * device,int index,struct nvkm_devinit ** pinit)62 gm107_devinit_new(struct nvkm_device *device, int index,
63 struct nvkm_devinit **pinit)
64 {
65 return nv50_devinit_new_(&gm107_devinit, device, index, pinit);
66 }
67