1/*	$NetBSD: nouveau_nvkm_subdev_devinit_tu102.c,v 1.2 2021/12/18 23:45:39 riastradh Exp $	*/
2
3/*
4 * Copyright 2018 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#include <sys/cdefs.h>
25__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_devinit_tu102.c,v 1.2 2021/12/18 23:45:39 riastradh Exp $");
26
27#include "nv50.h"
28
29#include <subdev/bios.h>
30#include <subdev/bios/pll.h>
31#include <subdev/clk/pll.h>
32
33static int
34tu102_devinit_pll_set(struct nvkm_devinit *init, u32 type, u32 freq)
35{
36	struct nvkm_subdev *subdev = &init->subdev;
37	struct nvkm_device *device = subdev->device;
38	struct nvbios_pll info;
39	int head = type - PLL_VPLL0;
40	int N, fN, M, P;
41	int ret;
42
43	ret = nvbios_pll_parse(device->bios, type, &info);
44	if (ret)
45		return ret;
46
47	ret = gt215_pll_calc(subdev, &info, freq, &N, &fN, &M, &P);
48	if (ret < 0)
49		return ret;
50
51	switch (info.type) {
52	case PLL_VPLL0:
53	case PLL_VPLL1:
54	case PLL_VPLL2:
55	case PLL_VPLL3:
56		nvkm_wr32(device, 0x00ef10 + (head * 0x40), fN << 16);
57		nvkm_wr32(device, 0x00ef04 + (head * 0x40), (P << 16) |
58							    (N <<  8) |
59							    (M <<  0));
60		/*XXX*/
61		nvkm_wr32(device, 0x00ef0c + (head * 0x40), 0x00000900);
62		nvkm_wr32(device, 0x00ef00 + (head * 0x40), 0x02000014);
63		break;
64	default:
65		nvkm_warn(subdev, "%08x/%dKhz unimplemented\n", type, freq);
66		ret = -EINVAL;
67		break;
68	}
69
70	return ret;
71}
72
73static int
74tu102_devinit_post(struct nvkm_devinit *base, bool post)
75{
76	struct nv50_devinit *init = nv50_devinit(base);
77	gm200_devinit_preos(init, post);
78	return 0;
79}
80
81static const struct nvkm_devinit_func
82tu102_devinit = {
83	.init = nv50_devinit_init,
84	.post = tu102_devinit_post,
85	.pll_set = tu102_devinit_pll_set,
86	.disable = gm107_devinit_disable,
87};
88
89int
90tu102_devinit_new(struct nvkm_device *device, int index,
91		struct nvkm_devinit **pinit)
92{
93	return nv50_devinit_new_(&tu102_devinit, device, index, pinit);
94}
95