1/*
2 * Copyright 2013 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 "nv50.h"
25
26#include <subdev/bios.h>
27#include <subdev/bios/init.h>
28#include <subdev/bios/pll.h>
29#include <subdev/clk/pll.h>
30
31int
32gf100_devinit_pll_set(struct nvkm_devinit *init, u32 type, u32 freq)
33{
34	struct nvkm_subdev *subdev = &init->subdev;
35	struct nvkm_device *device = subdev->device;
36	struct nvbios_pll info;
37	int N, fN, M, P;
38	int ret;
39
40	ret = nvbios_pll_parse(device->bios, type, &info);
41	if (ret)
42		return ret;
43
44	ret = gt215_pll_calc(subdev, &info, freq, &N, &fN, &M, &P);
45	if (ret < 0)
46		return ret;
47
48	switch (info.type) {
49	case PLL_VPLL0:
50	case PLL_VPLL1:
51	case PLL_VPLL2:
52	case PLL_VPLL3:
53		nvkm_mask(device, info.reg + 0x0c, 0x00000000, 0x00000100);
54		nvkm_wr32(device, info.reg + 0x04, (P << 16) | (N << 8) | M);
55		nvkm_wr32(device, info.reg + 0x10, fN << 16);
56		break;
57	default:
58		nvkm_warn(subdev, "%08x/%dKhz unimplemented\n", type, freq);
59		ret = -EINVAL;
60		break;
61	}
62
63	return ret;
64}
65
66static u64
67gf100_devinit_disable(struct nvkm_devinit *init)
68{
69	struct nvkm_device *device = init->subdev.device;
70	u32 r022500 = nvkm_rd32(device, 0x022500);
71	u64 disable = 0ULL;
72
73	if (r022500 & 0x00000001)
74		disable |= (1ULL << NVKM_ENGINE_DISP);
75
76	if (r022500 & 0x00000002) {
77		disable |= (1ULL << NVKM_ENGINE_MSPDEC);
78		disable |= (1ULL << NVKM_ENGINE_MSPPP);
79	}
80
81	if (r022500 & 0x00000004)
82		disable |= (1ULL << NVKM_ENGINE_MSVLD);
83	if (r022500 & 0x00000008)
84		disable |= (1ULL << NVKM_ENGINE_MSENC);
85	if (r022500 & 0x00000100)
86		disable |= (1ULL << NVKM_ENGINE_CE0);
87	if (r022500 & 0x00000200)
88		disable |= (1ULL << NVKM_ENGINE_CE1);
89
90	return disable;
91}
92
93static const struct nvkm_devinit_func
94gf100_devinit = {
95	.preinit = nv50_devinit_preinit,
96	.init = nv50_devinit_init,
97	.post = nv04_devinit_post,
98	.pll_set = gf100_devinit_pll_set,
99	.disable = gf100_devinit_disable,
100};
101
102int
103gf100_devinit_new(struct nvkm_device *device, int index,
104		struct nvkm_devinit **pinit)
105{
106	return nv50_devinit_new_(&gf100_devinit, device, index, pinit);
107}
108