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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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-
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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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+ * 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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-
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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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-
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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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+ * 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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+
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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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