1 | /* $NetBSD: nouveau_subdev_devinit_nv50.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_nv50.c,v 1.1.1.1 2014/08/06 12:36:30 riastradh Exp $" ); |
29 | |
30 | #include <subdev/bios.h> |
31 | #include <subdev/bios/dcb.h> |
32 | #include <subdev/bios/disp.h> |
33 | #include <subdev/bios/init.h> |
34 | #include <subdev/vga.h> |
35 | |
36 | #include "nv50.h" |
37 | |
38 | int |
39 | nv50_devinit_pll_set(struct nouveau_devinit *devinit, u32 type, u32 freq) |
40 | { |
41 | struct nv50_devinit_priv *priv = (void *)devinit; |
42 | struct nouveau_bios *bios = nouveau_bios(priv); |
43 | struct nvbios_pll info; |
44 | int N1, M1, N2, M2, P; |
45 | int ret; |
46 | |
47 | ret = nvbios_pll_parse(bios, type, &info); |
48 | if (ret) { |
49 | nv_error(devinit, "failed to retrieve pll data, %d\n" , ret); |
50 | return ret; |
51 | } |
52 | |
53 | ret = nv04_pll_calc(nv_subdev(devinit), &info, freq, &N1, &M1, &N2, &M2, &P); |
54 | if (!ret) { |
55 | nv_error(devinit, "failed pll calculation\n" ); |
56 | return ret; |
57 | } |
58 | |
59 | switch (info.type) { |
60 | case PLL_VPLL0: |
61 | case PLL_VPLL1: |
62 | nv_wr32(priv, info.reg + 0, 0x10000611); |
63 | nv_mask(priv, info.reg + 4, 0x00ff00ff, (M1 << 16) | N1); |
64 | nv_mask(priv, info.reg + 8, 0x7fff00ff, (P << 28) | |
65 | (M2 << 16) | N2); |
66 | break; |
67 | case PLL_MEMORY: |
68 | nv_mask(priv, info.reg + 0, 0x01ff0000, (P << 22) | |
69 | (info.bias_p << 19) | |
70 | (P << 16)); |
71 | nv_wr32(priv, info.reg + 4, (N1 << 8) | M1); |
72 | break; |
73 | default: |
74 | nv_mask(priv, info.reg + 0, 0x00070000, (P << 16)); |
75 | nv_wr32(priv, info.reg + 4, (N1 << 8) | M1); |
76 | break; |
77 | } |
78 | |
79 | return 0; |
80 | } |
81 | |
82 | static u64 |
83 | nv50_devinit_disable(struct nouveau_devinit *devinit) |
84 | { |
85 | struct nv50_devinit_priv *priv = (void *)devinit; |
86 | u32 r001540 = nv_rd32(priv, 0x001540); |
87 | u64 disable = 0ULL; |
88 | |
89 | if (!(r001540 & 0x40000000)) |
90 | disable |= (1ULL << NVDEV_ENGINE_MPEG); |
91 | |
92 | return disable; |
93 | } |
94 | |
95 | int |
96 | nv50_devinit_init(struct nouveau_object *object) |
97 | { |
98 | struct nouveau_bios *bios = nouveau_bios(object); |
99 | struct nv50_devinit_priv *priv = (void *)object; |
100 | struct nvbios_outp info; |
101 | struct dcb_output outp; |
102 | u8 ver = 0xff, hdr, cnt, len; |
103 | int ret, i = 0; |
104 | |
105 | if (!priv->base.post) { |
106 | if (!nv_rdvgac(priv, 0, 0x00) && |
107 | !nv_rdvgac(priv, 0, 0x1a)) { |
108 | nv_info(priv, "adaptor not initialised\n" ); |
109 | priv->base.post = true; |
110 | } |
111 | } |
112 | |
113 | ret = nouveau_devinit_init(&priv->base); |
114 | if (ret) |
115 | return ret; |
116 | |
117 | /* if we ran the init tables, we have to execute the first script |
118 | * pointer of each dcb entry's display encoder table in order |
119 | * to properly initialise each encoder. |
120 | */ |
121 | while (priv->base.post && dcb_outp_parse(bios, i, &ver, &hdr, &outp)) { |
122 | if (nvbios_outp_match(bios, outp.hasht, outp.hashm, |
123 | &ver, &hdr, &cnt, &len, &info)) { |
124 | struct nvbios_init init = { |
125 | .subdev = nv_subdev(priv), |
126 | .bios = bios, |
127 | .offset = info.script[0], |
128 | .outp = &outp, |
129 | .crtc = -1, |
130 | .execute = 1, |
131 | }; |
132 | |
133 | nvbios_exec(&init); |
134 | } |
135 | i++; |
136 | } |
137 | |
138 | return 0; |
139 | } |
140 | |
141 | int |
142 | nv50_devinit_ctor(struct nouveau_object *parent, struct nouveau_object *engine, |
143 | struct nouveau_oclass *oclass, void *data, u32 size, |
144 | struct nouveau_object **pobject) |
145 | { |
146 | struct nv50_devinit_priv *priv; |
147 | int ret; |
148 | |
149 | ret = nouveau_devinit_create(parent, engine, oclass, &priv); |
150 | *pobject = nv_object(priv); |
151 | if (ret) |
152 | return ret; |
153 | |
154 | return 0; |
155 | } |
156 | |
157 | struct nouveau_oclass * |
158 | nv50_devinit_oclass = &(struct nouveau_devinit_impl) { |
159 | .base.handle = NV_SUBDEV(DEVINIT, 0x50), |
160 | .base.ofuncs = &(struct nouveau_ofuncs) { |
161 | .ctor = nv50_devinit_ctor, |
162 | .dtor = _nouveau_devinit_dtor, |
163 | .init = nv50_devinit_init, |
164 | .fini = _nouveau_devinit_fini, |
165 | }, |
166 | .pll_set = nv50_devinit_pll_set, |
167 | .disable = nv50_devinit_disable, |
168 | }.base; |
169 | |