1 | /* $NetBSD: nouveau_subdev_devinit_nvc0.c,v 1.1.1.1 2014/08/06 12:36:30 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 | |
27 | #include <sys/cdefs.h> |
28 | __KERNEL_RCSID(0, "$NetBSD: nouveau_subdev_devinit_nvc0.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $" ); |
29 | |
30 | #include "nv50.h" |
31 | |
32 | int |
33 | nvc0_devinit_pll_set(struct nouveau_devinit *devinit, u32 type, u32 freq) |
34 | { |
35 | struct nv50_devinit_priv *priv = (void *)devinit; |
36 | struct nouveau_bios *bios = nouveau_bios(priv); |
37 | struct nvbios_pll info; |
38 | int N, fN, M, P; |
39 | int ret; |
40 | |
41 | ret = nvbios_pll_parse(bios, type, &info); |
42 | if (ret) |
43 | return ret; |
44 | |
45 | ret = nva3_pll_calc(nv_subdev(devinit), &info, freq, &N, &fN, &M, &P); |
46 | if (ret < 0) |
47 | return ret; |
48 | |
49 | switch (info.type) { |
50 | case PLL_VPLL0: |
51 | case PLL_VPLL1: |
52 | case PLL_VPLL2: |
53 | case PLL_VPLL3: |
54 | nv_mask(priv, info.reg + 0x0c, 0x00000000, 0x00000100); |
55 | nv_wr32(priv, info.reg + 0x04, (P << 16) | (N << 8) | M); |
56 | nv_wr32(priv, info.reg + 0x10, fN << 16); |
57 | break; |
58 | default: |
59 | nv_warn(priv, "0x%08x/%dKhz unimplemented\n" , type, freq); |
60 | ret = -EINVAL; |
61 | break; |
62 | } |
63 | |
64 | return ret; |
65 | } |
66 | |
67 | static u64 |
68 | nvc0_devinit_disable(struct nouveau_devinit *devinit) |
69 | { |
70 | struct nv50_devinit_priv *priv = (void *)devinit; |
71 | u32 r022500 = nv_rd32(priv, 0x022500); |
72 | u64 disable = 0ULL; |
73 | |
74 | if (r022500 & 0x00000001) |
75 | disable |= (1ULL << NVDEV_ENGINE_DISP); |
76 | |
77 | if (r022500 & 0x00000002) { |
78 | disable |= (1ULL << NVDEV_ENGINE_VP); |
79 | disable |= (1ULL << NVDEV_ENGINE_PPP); |
80 | } |
81 | |
82 | if (r022500 & 0x00000004) |
83 | disable |= (1ULL << NVDEV_ENGINE_BSP); |
84 | if (r022500 & 0x00000008) |
85 | disable |= (1ULL << NVDEV_ENGINE_VENC); |
86 | if (r022500 & 0x00000100) |
87 | disable |= (1ULL << NVDEV_ENGINE_COPY0); |
88 | if (r022500 & 0x00000200) |
89 | disable |= (1ULL << NVDEV_ENGINE_COPY1); |
90 | |
91 | return disable; |
92 | } |
93 | |
94 | static int |
95 | nvc0_devinit_ctor(struct nouveau_object *parent, struct nouveau_object *engine, |
96 | struct nouveau_oclass *oclass, void *data, u32 size, |
97 | struct nouveau_object **pobject) |
98 | { |
99 | struct nv50_devinit_priv *priv; |
100 | int ret; |
101 | |
102 | ret = nouveau_devinit_create(parent, engine, oclass, &priv); |
103 | *pobject = nv_object(priv); |
104 | if (ret) |
105 | return ret; |
106 | |
107 | if (nv_rd32(priv, 0x022500) & 0x00000001) |
108 | priv->base.post = true; |
109 | return 0; |
110 | } |
111 | |
112 | struct nouveau_oclass * |
113 | nvc0_devinit_oclass = &(struct nouveau_devinit_impl) { |
114 | .base.handle = NV_SUBDEV(DEVINIT, 0xc0), |
115 | .base.ofuncs = &(struct nouveau_ofuncs) { |
116 | .ctor = nvc0_devinit_ctor, |
117 | .dtor = _nouveau_devinit_dtor, |
118 | .init = nv50_devinit_init, |
119 | .fini = _nouveau_devinit_fini, |
120 | }, |
121 | .pll_set = nvc0_devinit_pll_set, |
122 | .disable = nvc0_devinit_disable, |
123 | }.base; |
124 | |