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
38int
39nv50_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
82static u64
83nv50_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
95int
96nv50_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
141int
142nv50_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
157struct nouveau_oclass *
158nv50_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