1 | /* $NetBSD: nouveau_subdev_bios_boost.c,v 1.1.1.1 2014/08/06 12:36:28 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_bios_boost.c,v 1.1.1.1 2014/08/06 12:36:28 riastradh Exp $" ); |
29 | |
30 | #include <subdev/bios.h> |
31 | #include <subdev/bios/bit.h> |
32 | #include <subdev/bios/boost.h> |
33 | |
34 | u16 |
35 | nvbios_boostTe(struct nouveau_bios *bios, |
36 | u8 *ver, u8 *hdr, u8 *cnt, u8 *len, u8 *snr, u8 *ssz) |
37 | { |
38 | struct bit_entry bit_P; |
39 | u16 boost = 0x0000; |
40 | |
41 | if (!bit_entry(bios, 'P', &bit_P)) { |
42 | if (bit_P.version == 2) |
43 | boost = nv_ro16(bios, bit_P.offset + 0x30); |
44 | |
45 | if (boost) { |
46 | *ver = nv_ro08(bios, boost + 0); |
47 | switch (*ver) { |
48 | case 0x11: |
49 | *hdr = nv_ro08(bios, boost + 1); |
50 | *cnt = nv_ro08(bios, boost + 5); |
51 | *len = nv_ro08(bios, boost + 2); |
52 | *snr = nv_ro08(bios, boost + 4); |
53 | *ssz = nv_ro08(bios, boost + 3); |
54 | return boost; |
55 | default: |
56 | break; |
57 | } |
58 | } |
59 | } |
60 | |
61 | return 0x0000; |
62 | } |
63 | |
64 | u16 |
65 | nvbios_boostEe(struct nouveau_bios *bios, int idx, |
66 | u8 *ver, u8 *hdr, u8 *cnt, u8 *len) |
67 | { |
68 | u8 snr, ssz; |
69 | u16 data = nvbios_boostTe(bios, ver, hdr, cnt, len, &snr, &ssz); |
70 | if (data && idx < *cnt) { |
71 | data = data + *hdr + (idx * (*len + (snr * ssz))); |
72 | *hdr = *len; |
73 | *cnt = snr; |
74 | *len = ssz; |
75 | return data; |
76 | } |
77 | return 0x0000; |
78 | } |
79 | |
80 | u16 |
81 | nvbios_boostEp(struct nouveau_bios *bios, int idx, |
82 | u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_boostE *info) |
83 | { |
84 | u16 data = nvbios_boostEe(bios, idx, ver, hdr, cnt, len); |
85 | memset(info, 0x00, sizeof(*info)); |
86 | if (data) { |
87 | info->pstate = (nv_ro16(bios, data + 0x00) & 0x01e0) >> 5; |
88 | info->min = nv_ro16(bios, data + 0x02) * 1000; |
89 | info->max = nv_ro16(bios, data + 0x04) * 1000; |
90 | } |
91 | return data; |
92 | } |
93 | |
94 | u16 |
95 | nvbios_boostEm(struct nouveau_bios *bios, u8 pstate, |
96 | u8 *ver, u8 *hdr, u8 *cnt, u8 *len, struct nvbios_boostE *info) |
97 | { |
98 | u32 data, idx = 0; |
99 | while ((data = nvbios_boostEp(bios, idx++, ver, hdr, cnt, len, info))) { |
100 | if (info->pstate == pstate) |
101 | break; |
102 | } |
103 | return data; |
104 | } |
105 | |
106 | u16 |
107 | nvbios_boostSe(struct nouveau_bios *bios, int idx, |
108 | u16 data, u8 *ver, u8 *hdr, u8 cnt, u8 len) |
109 | { |
110 | if (data && idx < cnt) { |
111 | data = data + *hdr + (idx * len); |
112 | *hdr = len; |
113 | return data; |
114 | } |
115 | return 0x0000; |
116 | } |
117 | |
118 | u16 |
119 | nvbios_boostSp(struct nouveau_bios *bios, int idx, |
120 | u16 data, u8 *ver, u8 *hdr, u8 cnt, u8 len, |
121 | struct nvbios_boostS *info) |
122 | { |
123 | data = nvbios_boostSe(bios, idx, data, ver, hdr, cnt, len); |
124 | memset(info, 0x00, sizeof(*info)); |
125 | if (data) { |
126 | info->domain = nv_ro08(bios, data + 0x00); |
127 | info->percent = nv_ro08(bios, data + 0x01); |
128 | info->min = nv_ro16(bios, data + 0x02) * 1000; |
129 | info->max = nv_ro16(bios, data + 0x04) * 1000; |
130 | } |
131 | return data; |
132 | } |
133 | |