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>hifive-unleashed-5.1
Frank Myhr
Jean Delvare
parent
6c633c3025
commit
15872212e8
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@ -1,76 +1,78 @@
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/*
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hwmon-vid.c - VID/VRM/VRD voltage conversions
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Copyright (c) 2004 Rudolf Marek <r.marek@assembler.cz>
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Partly imported from i2c-vid.h of the lm_sensors project
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Copyright (c) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
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With assistance from Trent Piepho <xyzzy@speakeasy.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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* hwmon-vid.c - VID/VRM/VRD voltage conversions
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*
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* Copyright (c) 2004 Rudolf Marek <r.marek@assembler.cz>
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*
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* Partly imported from i2c-vid.h of the lm_sensors project
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* Copyright (c) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
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* With assistance from Trent Piepho <xyzzy@speakeasy.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/hwmon-vid.h>
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/*
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Common code for decoding VID pins.
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* Common code for decoding VID pins.
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*
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* References:
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*
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* For VRM 8.4 to 9.1, "VRM x.y DC-DC Converter Design Guidelines",
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* available at http://developer.intel.com/.
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*
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* For VRD 10.0 and up, "VRD x.y Design Guide",
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* available at http://developer.intel.com/.
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*
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* AMD Opteron processors don't follow the Intel specifications.
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* I'm going to "make up" 2.4 as the spec number for the Opterons.
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* No good reason just a mnemonic for the 24x Opteron processor
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* series.
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*
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* Opteron VID encoding is:
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* 00000 = 1.550 V
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* 00001 = 1.525 V
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* . . . .
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* 11110 = 0.800 V
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* 11111 = 0.000 V (off)
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*
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* The 17 specification is in fact Intel Mobile Voltage Positioning -
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* (IMVP-II). You can find more information in the datasheet of Max1718
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* http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2452
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*
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* The 13 specification corresponds to the Intel Pentium M series. There
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* doesn't seem to be any named specification for these. The conversion
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* tables are detailed directly in the various Pentium M datasheets:
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* http://www.intel.com/design/intarch/pentiumm/docs_pentiumm.htm
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*
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* The 14 specification corresponds to Intel Core series. There
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* doesn't seem to be any named specification for these. The conversion
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* tables are detailed directly in the various Pentium Core datasheets:
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* http://www.intel.com/design/mobile/datashts/309221.htm
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*
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* The 110 (VRM 11) specification corresponds to Intel Conroe based series.
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* http://www.intel.com/design/processor/applnots/313214.htm
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*/
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References:
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For VRM 8.4 to 9.1, "VRM x.y DC-DC Converter Design Guidelines",
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available at http://developer.intel.com/.
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For VRD 10.0 and up, "VRD x.y Design Guide",
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available at http://developer.intel.com/.
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AMD Opteron processors don't follow the Intel specifications.
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I'm going to "make up" 2.4 as the spec number for the Opterons.
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No good reason just a mnemonic for the 24x Opteron processor
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series.
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Opteron VID encoding is:
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00000 = 1.550 V
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00001 = 1.525 V
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. . . .
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11110 = 0.800 V
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11111 = 0.000 V (off)
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The 17 specification is in fact Intel Mobile Voltage Positioning -
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(IMVP-II). You can find more information in the datasheet of Max1718
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http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2452
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The 13 specification corresponds to the Intel Pentium M series. There
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doesn't seem to be any named specification for these. The conversion
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tables are detailed directly in the various Pentium M datasheets:
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http://www.intel.com/design/intarch/pentiumm/docs_pentiumm.htm
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The 14 specification corresponds to Intel Core series. There
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doesn't seem to be any named specification for these. The conversion
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tables are detailed directly in the various Pentium Core datasheets:
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http://www.intel.com/design/mobile/datashts/309221.htm
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The 110 (VRM 11) specification corresponds to Intel Conroe based series.
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http://www.intel.com/design/processor/applnots/313214.htm
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*/
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/* vrm is the VRM/VRD document version multiplied by 10.
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val is the 4-bit or more VID code.
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Returned value is in mV to avoid floating point in the kernel.
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Some VID have some bits in uV scale, this is rounded to mV */
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/*
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* vrm is the VRM/VRD document version multiplied by 10.
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* val is the 4-bit or more VID code.
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* Returned value is in mV to avoid floating point in the kernel.
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* Some VID have some bits in uV scale, this is rounded to mV.
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*/
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int vid_from_reg(int val, u8 vrm)
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{
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int vid;
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@ -141,9 +143,9 @@ int vid_from_reg(int val, u8 vrm)
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/*
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After this point is the code to automatically determine which
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VRM/VRD specification should be used depending on the CPU.
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*/
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* After this point is the code to automatically determine which
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* VRM/VRD specification should be used depending on the CPU.
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*/
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struct vrm_model {
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u8 vendor;
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