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authorFrank Myhr <fmyhr@fhmtech.com>2008-08-06 16:41:06 -0400
committerJean Delvare <khali@mahadeva.delvare>2008-08-06 16:41:06 -0400
commit15872212e876de9ae404108e4ad231a645b55b54 (patch)
tree372882554c330906ec1e52b45496f8e905d78e52 /drivers
parent6c633c3025c75f5fcf3a76d375faff34e3be021b (diff)
hwmon: (hwmon-vid) Trivial format multi-line comments per CodingStyle
Signed-off-by: Frank Myhr <fmyhr@fhmtech.com> Signed-off-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/hwmon/hwmon-vid.c140
1 files changed, 71 insertions, 69 deletions
diff --git a/drivers/hwmon/hwmon-vid.c b/drivers/hwmon/hwmon-vid.c
index 3330667280b9..ed78a72e7261 100644
--- a/drivers/hwmon/hwmon-vid.c
+++ b/drivers/hwmon/hwmon-vid.c
@@ -1,76 +1,78 @@
1/* 1/*
2 hwmon-vid.c - VID/VRM/VRD voltage conversions 2 * hwmon-vid.c - VID/VRM/VRD voltage conversions
3 3 *
4 Copyright (c) 2004 Rudolf Marek <r.marek@assembler.cz> 4 * Copyright (c) 2004 Rudolf Marek <r.marek@assembler.cz>
5 5 *
6 Partly imported from i2c-vid.h of the lm_sensors project 6 * Partly imported from i2c-vid.h of the lm_sensors project
7 Copyright (c) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com> 7 * Copyright (c) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
8 With assistance from Trent Piepho <xyzzy@speakeasy.org> 8 * With assistance from Trent Piepho <xyzzy@speakeasy.org>
9 9 *
10 This program is free software; you can redistribute it and/or modify 10 * This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by 11 * it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or 12 * the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version. 13 * (at your option) any later version.
14 14 *
15 This program is distributed in the hope that it will be useful, 15 * This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details. 18 * GNU General Public License for more details.
19 19 *
20 You should have received a copy of the GNU General Public License 20 * You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software 21 * along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23*/ 23 */
24 24
25#include <linux/module.h> 25#include <linux/module.h>
26#include <linux/kernel.h> 26#include <linux/kernel.h>
27#include <linux/hwmon-vid.h> 27#include <linux/hwmon-vid.h>
28 28
29/* 29/*
30 Common code for decoding VID pins. 30 * Common code for decoding VID pins.
31 31 *
32 References: 32 * References:
33 33 *
34 For VRM 8.4 to 9.1, "VRM x.y DC-DC Converter Design Guidelines", 34 * For VRM 8.4 to 9.1, "VRM x.y DC-DC Converter Design Guidelines",
35 available at http://developer.intel.com/. 35 * available at http://developer.intel.com/.
36 36 *
37 For VRD 10.0 and up, "VRD x.y Design Guide", 37 * For VRD 10.0 and up, "VRD x.y Design Guide",
38 available at http://developer.intel.com/. 38 * available at http://developer.intel.com/.
39 39 *
40 AMD Opteron processors don't follow the Intel specifications. 40 * AMD Opteron processors don't follow the Intel specifications.
41 I'm going to "make up" 2.4 as the spec number for the Opterons. 41 * I'm going to "make up" 2.4 as the spec number for the Opterons.
42 No good reason just a mnemonic for the 24x Opteron processor 42 * No good reason just a mnemonic for the 24x Opteron processor
43 series. 43 * series.
44 44 *
45 Opteron VID encoding is: 45 * Opteron VID encoding is:
46 00000 = 1.550 V 46 * 00000 = 1.550 V
47 00001 = 1.525 V 47 * 00001 = 1.525 V
48 . . . . 48 * . . . .
49 11110 = 0.800 V 49 * 11110 = 0.800 V
50 11111 = 0.000 V (off) 50 * 11111 = 0.000 V (off)
51 51 *
52 The 17 specification is in fact Intel Mobile Voltage Positioning - 52 * The 17 specification is in fact Intel Mobile Voltage Positioning -
53 (IMVP-II). You can find more information in the datasheet of Max1718 53 * (IMVP-II). You can find more information in the datasheet of Max1718
54 http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2452 54 * http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2452
55 55 *
56 The 13 specification corresponds to the Intel Pentium M series. There 56 * The 13 specification corresponds to the Intel Pentium M series. There
57 doesn't seem to be any named specification for these. The conversion 57 * doesn't seem to be any named specification for these. The conversion
58 tables are detailed directly in the various Pentium M datasheets: 58 * tables are detailed directly in the various Pentium M datasheets:
59 http://www.intel.com/design/intarch/pentiumm/docs_pentiumm.htm 59 * http://www.intel.com/design/intarch/pentiumm/docs_pentiumm.htm
60 60 *
61 The 14 specification corresponds to Intel Core series. There 61 * The 14 specification corresponds to Intel Core series. There
62 doesn't seem to be any named specification for these. The conversion 62 * doesn't seem to be any named specification for these. The conversion
63 tables are detailed directly in the various Pentium Core datasheets: 63 * tables are detailed directly in the various Pentium Core datasheets:
64 http://www.intel.com/design/mobile/datashts/309221.htm 64 * http://www.intel.com/design/mobile/datashts/309221.htm
65 65 *
66 The 110 (VRM 11) specification corresponds to Intel Conroe based series. 66 * The 110 (VRM 11) specification corresponds to Intel Conroe based series.
67 http://www.intel.com/design/processor/applnots/313214.htm 67 * http://www.intel.com/design/processor/applnots/313214.htm
68*/ 68 */
69 69
70/* vrm is the VRM/VRD document version multiplied by 10. 70/*
71 val is the 4-bit or more VID code. 71 * vrm is the VRM/VRD document version multiplied by 10.
72 Returned value is in mV to avoid floating point in the kernel. 72 * val is the 4-bit or more VID code.
73 Some VID have some bits in uV scale, this is rounded to mV */ 73 * Returned value is in mV to avoid floating point in the kernel.
74 * Some VID have some bits in uV scale, this is rounded to mV.
75 */
74int vid_from_reg(int val, u8 vrm) 76int vid_from_reg(int val, u8 vrm)
75{ 77{
76 int vid; 78 int vid;
@@ -141,9 +143,9 @@ int vid_from_reg(int val, u8 vrm)
141 143
142 144
143/* 145/*
144 After this point is the code to automatically determine which 146 * After this point is the code to automatically determine which
145 VRM/VRD specification should be used depending on the CPU. 147 * VRM/VRD specification should be used depending on the CPU.
146*/ 148 */
147 149
148struct vrm_model { 150struct vrm_model {
149 u8 vendor; 151 u8 vendor;