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b55f375725
Cc: Corentin Labbe <corentin.labbe@geomatys.fr> Cc: Mark M. Hoffman <mhoffman@lightlink.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Juerg Haefliger <juergh@gmail.com> Cc: Andreas Herrmann <herrmann.der.user@googlemail.com> Cc: Rudolf Marek <r.marek@assembler.cz> Cc: Jim Cromie <jim.cromie@gmail.com> Cc: Roger Lucas <vt8231@hiddenengine.co.uk> Cc: Marc Hulsman <m.hulsman@tudelft.nl> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
1817 lines
55 KiB
C
1817 lines
55 KiB
C
/*
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* pc87360.c - Part of lm_sensors, Linux kernel modules
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* for hardware monitoring
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* Copyright (C) 2004, 2007 Jean Delvare <khali@linux-fr.org>
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*
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* Copied from smsc47m1.c:
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* Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
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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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* Supports the following chips:
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*
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* Chip #vin #fan #pwm #temp devid
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* PC87360 - 2 2 - 0xE1
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* PC87363 - 2 2 - 0xE8
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* PC87364 - 3 3 - 0xE4
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* PC87365 11 3 3 2 0xE5
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* PC87366 11 3 3 3-4 0xE9
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*
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* This driver assumes that no more than one chip is present, and one of
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* the standard Super-I/O addresses is used (0x2E/0x2F or 0x4E/0x4F).
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/jiffies.h>
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#include <linux/platform_device.h>
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#include <linux/hwmon.h>
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#include <linux/hwmon-sysfs.h>
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#include <linux/hwmon-vid.h>
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#include <linux/err.h>
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#include <linux/mutex.h>
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#include <linux/acpi.h>
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#include <linux/io.h>
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static u8 devid;
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static struct platform_device *pdev;
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static unsigned short extra_isa[3];
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static u8 confreg[4];
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static int init = 1;
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module_param(init, int, 0);
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MODULE_PARM_DESC(init,
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"Chip initialization level:\n"
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" 0: None\n"
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"*1: Forcibly enable internal voltage and temperature channels, except in9\n"
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" 2: Forcibly enable all voltage and temperature channels, except in9\n"
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" 3: Forcibly enable all voltage and temperature channels, including in9");
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static unsigned short force_id;
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module_param(force_id, ushort, 0);
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MODULE_PARM_DESC(force_id, "Override the detected device ID");
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/*
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* Super-I/O registers and operations
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*/
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#define DEV 0x07 /* Register: Logical device select */
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#define DEVID 0x20 /* Register: Device ID */
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#define ACT 0x30 /* Register: Device activation */
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#define BASE 0x60 /* Register: Base address */
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#define FSCM 0x09 /* Logical device: fans */
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#define VLM 0x0d /* Logical device: voltages */
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#define TMS 0x0e /* Logical device: temperatures */
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#define LDNI_MAX 3
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static const u8 logdev[LDNI_MAX] = { FSCM, VLM, TMS };
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#define LD_FAN 0
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#define LD_IN 1
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#define LD_TEMP 2
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static inline void superio_outb(int sioaddr, int reg, int val)
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{
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outb(reg, sioaddr);
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outb(val, sioaddr + 1);
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}
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static inline int superio_inb(int sioaddr, int reg)
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{
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outb(reg, sioaddr);
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return inb(sioaddr + 1);
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}
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static inline void superio_exit(int sioaddr)
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{
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outb(0x02, sioaddr);
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outb(0x02, sioaddr + 1);
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}
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/*
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* Logical devices
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*/
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#define PC87360_EXTENT 0x10
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#define PC87365_REG_BANK 0x09
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#define NO_BANK 0xff
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/*
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* Fan registers and conversions
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*/
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/* nr has to be 0 or 1 (PC87360/87363) or 2 (PC87364/87365/87366) */
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#define PC87360_REG_PRESCALE(nr) (0x00 + 2 * (nr))
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#define PC87360_REG_PWM(nr) (0x01 + 2 * (nr))
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#define PC87360_REG_FAN_MIN(nr) (0x06 + 3 * (nr))
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#define PC87360_REG_FAN(nr) (0x07 + 3 * (nr))
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#define PC87360_REG_FAN_STATUS(nr) (0x08 + 3 * (nr))
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#define FAN_FROM_REG(val, div) ((val) == 0 ? 0 : \
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480000 / ((val) * (div)))
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#define FAN_TO_REG(val, div) ((val) <= 100 ? 0 : \
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480000 / ((val) * (div)))
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#define FAN_DIV_FROM_REG(val) (1 << (((val) >> 5) & 0x03))
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#define FAN_STATUS_FROM_REG(val) ((val) & 0x07)
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#define FAN_CONFIG_MONITOR(val, nr) (((val) >> (2 + (nr) * 3)) & 1)
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#define FAN_CONFIG_CONTROL(val, nr) (((val) >> (3 + (nr) * 3)) & 1)
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#define FAN_CONFIG_INVERT(val, nr) (((val) >> (4 + (nr) * 3)) & 1)
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#define PWM_FROM_REG(val, inv) ((inv) ? 255 - (val) : (val))
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static inline u8 PWM_TO_REG(int val, int inv)
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{
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if (inv)
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val = 255 - val;
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if (val < 0)
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return 0;
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if (val > 255)
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return 255;
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return val;
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}
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/*
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* Voltage registers and conversions
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*/
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#define PC87365_REG_IN_CONVRATE 0x07
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#define PC87365_REG_IN_CONFIG 0x08
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#define PC87365_REG_IN 0x0B
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#define PC87365_REG_IN_MIN 0x0D
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#define PC87365_REG_IN_MAX 0x0C
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#define PC87365_REG_IN_STATUS 0x0A
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#define PC87365_REG_IN_ALARMS1 0x00
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#define PC87365_REG_IN_ALARMS2 0x01
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#define PC87365_REG_VID 0x06
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#define IN_FROM_REG(val, ref) (((val) * (ref) + 128) / 256)
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#define IN_TO_REG(val, ref) ((val) < 0 ? 0 : \
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(val) * 256 >= (ref) * 255 ? 255 : \
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((val) * 256 + (ref) / 2) / (ref))
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/*
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* Temperature registers and conversions
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*/
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#define PC87365_REG_TEMP_CONFIG 0x08
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#define PC87365_REG_TEMP 0x0B
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#define PC87365_REG_TEMP_MIN 0x0D
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#define PC87365_REG_TEMP_MAX 0x0C
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#define PC87365_REG_TEMP_CRIT 0x0E
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#define PC87365_REG_TEMP_STATUS 0x0A
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#define PC87365_REG_TEMP_ALARMS 0x00
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#define TEMP_FROM_REG(val) ((val) * 1000)
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#define TEMP_TO_REG(val) ((val) < -55000 ? -55 : \
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(val) > 127000 ? 127 : \
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(val) < 0 ? ((val) - 500) / 1000 : \
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((val) + 500) / 1000)
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/*
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* Device data
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*/
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struct pc87360_data {
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const char *name;
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struct device *hwmon_dev;
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struct mutex lock;
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struct mutex update_lock;
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char valid; /* !=0 if following fields are valid */
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unsigned long last_updated; /* In jiffies */
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int address[3];
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u8 fannr, innr, tempnr;
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u8 fan[3]; /* Register value */
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u8 fan_min[3]; /* Register value */
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u8 fan_status[3]; /* Register value */
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u8 pwm[3]; /* Register value */
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u16 fan_conf; /* Configuration register values, combined */
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u16 in_vref; /* 1 mV/bit */
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u8 in[14]; /* Register value */
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u8 in_min[14]; /* Register value */
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u8 in_max[14]; /* Register value */
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u8 in_crit[3]; /* Register value */
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u8 in_status[14]; /* Register value */
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u16 in_alarms; /* Register values, combined, masked */
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u8 vid_conf; /* Configuration register value */
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u8 vrm;
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u8 vid; /* Register value */
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s8 temp[3]; /* Register value */
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s8 temp_min[3]; /* Register value */
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s8 temp_max[3]; /* Register value */
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s8 temp_crit[3]; /* Register value */
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u8 temp_status[3]; /* Register value */
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u8 temp_alarms; /* Register value, masked */
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};
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/*
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* Functions declaration
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*/
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static int pc87360_probe(struct platform_device *pdev);
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static int pc87360_remove(struct platform_device *pdev);
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static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
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u8 reg);
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static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
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u8 reg, u8 value);
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static void pc87360_init_device(struct platform_device *pdev,
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int use_thermistors);
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static struct pc87360_data *pc87360_update_device(struct device *dev);
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/*
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* Driver data
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*/
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static struct platform_driver pc87360_driver = {
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.driver = {
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.owner = THIS_MODULE,
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.name = "pc87360",
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},
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.probe = pc87360_probe,
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.remove = pc87360_remove,
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};
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/*
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* Sysfs stuff
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*/
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static ssize_t show_fan_input(struct device *dev,
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struct device_attribute *devattr, char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct pc87360_data *data = pc87360_update_device(dev);
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return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan[attr->index],
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FAN_DIV_FROM_REG(data->fan_status[attr->index])));
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}
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static ssize_t show_fan_min(struct device *dev,
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struct device_attribute *devattr, char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct pc87360_data *data = pc87360_update_device(dev);
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return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan_min[attr->index],
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FAN_DIV_FROM_REG(data->fan_status[attr->index])));
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}
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static ssize_t show_fan_div(struct device *dev,
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struct device_attribute *devattr, char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct pc87360_data *data = pc87360_update_device(dev);
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return sprintf(buf, "%u\n",
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FAN_DIV_FROM_REG(data->fan_status[attr->index]));
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}
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static ssize_t show_fan_status(struct device *dev,
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struct device_attribute *devattr, char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct pc87360_data *data = pc87360_update_device(dev);
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return sprintf(buf, "%u\n",
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FAN_STATUS_FROM_REG(data->fan_status[attr->index]));
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}
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static ssize_t set_fan_min(struct device *dev,
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struct device_attribute *devattr, const char *buf,
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size_t count)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct pc87360_data *data = dev_get_drvdata(dev);
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long fan_min;
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int err;
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err = kstrtol(buf, 10, &fan_min);
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if (err)
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return err;
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mutex_lock(&data->update_lock);
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fan_min = FAN_TO_REG(fan_min,
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FAN_DIV_FROM_REG(data->fan_status[attr->index]));
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/* If it wouldn't fit, change clock divisor */
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while (fan_min > 255
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&& (data->fan_status[attr->index] & 0x60) != 0x60) {
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fan_min >>= 1;
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data->fan[attr->index] >>= 1;
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data->fan_status[attr->index] += 0x20;
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}
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data->fan_min[attr->index] = fan_min > 255 ? 255 : fan_min;
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pc87360_write_value(data, LD_FAN, NO_BANK,
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PC87360_REG_FAN_MIN(attr->index),
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data->fan_min[attr->index]);
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/* Write new divider, preserve alarm bits */
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pc87360_write_value(data, LD_FAN, NO_BANK,
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PC87360_REG_FAN_STATUS(attr->index),
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data->fan_status[attr->index] & 0xF9);
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mutex_unlock(&data->update_lock);
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return count;
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}
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static struct sensor_device_attribute fan_input[] = {
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SENSOR_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0),
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SENSOR_ATTR(fan2_input, S_IRUGO, show_fan_input, NULL, 1),
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SENSOR_ATTR(fan3_input, S_IRUGO, show_fan_input, NULL, 2),
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};
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static struct sensor_device_attribute fan_status[] = {
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SENSOR_ATTR(fan1_status, S_IRUGO, show_fan_status, NULL, 0),
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SENSOR_ATTR(fan2_status, S_IRUGO, show_fan_status, NULL, 1),
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SENSOR_ATTR(fan3_status, S_IRUGO, show_fan_status, NULL, 2),
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};
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static struct sensor_device_attribute fan_div[] = {
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SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0),
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SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1),
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SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2),
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};
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static struct sensor_device_attribute fan_min[] = {
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SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 0),
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SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 1),
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SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, set_fan_min, 2),
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};
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#define FAN_UNIT_ATTRS(X) \
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{ &fan_input[X].dev_attr.attr, \
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&fan_status[X].dev_attr.attr, \
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&fan_div[X].dev_attr.attr, \
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&fan_min[X].dev_attr.attr, \
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NULL \
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}
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static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr,
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char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct pc87360_data *data = pc87360_update_device(dev);
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return sprintf(buf, "%u\n",
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PWM_FROM_REG(data->pwm[attr->index],
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FAN_CONFIG_INVERT(data->fan_conf,
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attr->index)));
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}
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static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr,
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const char *buf, size_t count)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct pc87360_data *data = dev_get_drvdata(dev);
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long val;
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int err;
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err = kstrtol(buf, 10, &val);
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if (err)
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return err;
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mutex_lock(&data->update_lock);
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data->pwm[attr->index] = PWM_TO_REG(val,
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FAN_CONFIG_INVERT(data->fan_conf, attr->index));
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pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_PWM(attr->index),
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data->pwm[attr->index]);
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mutex_unlock(&data->update_lock);
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return count;
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}
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static struct sensor_device_attribute pwm[] = {
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SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 0),
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SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 1),
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SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2),
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};
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static struct attribute *pc8736x_fan_attr[][5] = {
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FAN_UNIT_ATTRS(0),
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FAN_UNIT_ATTRS(1),
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FAN_UNIT_ATTRS(2)
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};
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static const struct attribute_group pc8736x_fan_attr_group[] = {
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{ .attrs = pc8736x_fan_attr[0], },
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{ .attrs = pc8736x_fan_attr[1], },
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{ .attrs = pc8736x_fan_attr[2], },
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};
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static ssize_t show_in_input(struct device *dev,
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struct device_attribute *devattr, char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct pc87360_data *data = pc87360_update_device(dev);
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return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index],
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data->in_vref));
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}
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static ssize_t show_in_min(struct device *dev,
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struct device_attribute *devattr, char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct pc87360_data *data = pc87360_update_device(dev);
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return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index],
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data->in_vref));
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}
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static ssize_t show_in_max(struct device *dev,
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struct device_attribute *devattr, char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct pc87360_data *data = pc87360_update_device(dev);
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return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index],
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data->in_vref));
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}
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static ssize_t show_in_status(struct device *dev,
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struct device_attribute *devattr, char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct pc87360_data *data = pc87360_update_device(dev);
|
|
return sprintf(buf, "%u\n", data->in_status[attr->index]);
|
|
}
|
|
static ssize_t set_in_min(struct device *dev, struct device_attribute *devattr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
|
struct pc87360_data *data = dev_get_drvdata(dev);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->in_min[attr->index] = IN_TO_REG(val, data->in_vref);
|
|
pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MIN,
|
|
data->in_min[attr->index]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
|
struct pc87360_data *data = dev_get_drvdata(dev);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->in_max[attr->index] = IN_TO_REG(val,
|
|
data->in_vref);
|
|
pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MAX,
|
|
data->in_max[attr->index]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static struct sensor_device_attribute in_input[] = {
|
|
SENSOR_ATTR(in0_input, S_IRUGO, show_in_input, NULL, 0),
|
|
SENSOR_ATTR(in1_input, S_IRUGO, show_in_input, NULL, 1),
|
|
SENSOR_ATTR(in2_input, S_IRUGO, show_in_input, NULL, 2),
|
|
SENSOR_ATTR(in3_input, S_IRUGO, show_in_input, NULL, 3),
|
|
SENSOR_ATTR(in4_input, S_IRUGO, show_in_input, NULL, 4),
|
|
SENSOR_ATTR(in5_input, S_IRUGO, show_in_input, NULL, 5),
|
|
SENSOR_ATTR(in6_input, S_IRUGO, show_in_input, NULL, 6),
|
|
SENSOR_ATTR(in7_input, S_IRUGO, show_in_input, NULL, 7),
|
|
SENSOR_ATTR(in8_input, S_IRUGO, show_in_input, NULL, 8),
|
|
SENSOR_ATTR(in9_input, S_IRUGO, show_in_input, NULL, 9),
|
|
SENSOR_ATTR(in10_input, S_IRUGO, show_in_input, NULL, 10),
|
|
};
|
|
static struct sensor_device_attribute in_status[] = {
|
|
SENSOR_ATTR(in0_status, S_IRUGO, show_in_status, NULL, 0),
|
|
SENSOR_ATTR(in1_status, S_IRUGO, show_in_status, NULL, 1),
|
|
SENSOR_ATTR(in2_status, S_IRUGO, show_in_status, NULL, 2),
|
|
SENSOR_ATTR(in3_status, S_IRUGO, show_in_status, NULL, 3),
|
|
SENSOR_ATTR(in4_status, S_IRUGO, show_in_status, NULL, 4),
|
|
SENSOR_ATTR(in5_status, S_IRUGO, show_in_status, NULL, 5),
|
|
SENSOR_ATTR(in6_status, S_IRUGO, show_in_status, NULL, 6),
|
|
SENSOR_ATTR(in7_status, S_IRUGO, show_in_status, NULL, 7),
|
|
SENSOR_ATTR(in8_status, S_IRUGO, show_in_status, NULL, 8),
|
|
SENSOR_ATTR(in9_status, S_IRUGO, show_in_status, NULL, 9),
|
|
SENSOR_ATTR(in10_status, S_IRUGO, show_in_status, NULL, 10),
|
|
};
|
|
static struct sensor_device_attribute in_min[] = {
|
|
SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 0),
|
|
SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 1),
|
|
SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 2),
|
|
SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 3),
|
|
SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 4),
|
|
SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 5),
|
|
SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 6),
|
|
SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 7),
|
|
SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 8),
|
|
SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 9),
|
|
SENSOR_ATTR(in10_min, S_IWUSR | S_IRUGO, show_in_min, set_in_min, 10),
|
|
};
|
|
static struct sensor_device_attribute in_max[] = {
|
|
SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 0),
|
|
SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 1),
|
|
SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 2),
|
|
SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 3),
|
|
SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 4),
|
|
SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 5),
|
|
SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 6),
|
|
SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 7),
|
|
SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 8),
|
|
SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 9),
|
|
SENSOR_ATTR(in10_max, S_IWUSR | S_IRUGO, show_in_max, set_in_max, 10),
|
|
};
|
|
|
|
/* (temp & vin) channel status register alarm bits (pdf sec.11.5.12) */
|
|
#define CHAN_ALM_MIN 0x02 /* min limit crossed */
|
|
#define CHAN_ALM_MAX 0x04 /* max limit exceeded */
|
|
#define TEMP_ALM_CRIT 0x08 /* temp crit exceeded (temp only) */
|
|
|
|
/*
|
|
* show_in_min/max_alarm() reads data from the per-channel status
|
|
* register (sec 11.5.12), not the vin event status registers (sec
|
|
* 11.5.2) that (legacy) show_in_alarm() resds (via data->in_alarms)
|
|
*/
|
|
|
|
static ssize_t show_in_min_alarm(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
unsigned nr = to_sensor_dev_attr(devattr)->index;
|
|
|
|
return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN));
|
|
}
|
|
static ssize_t show_in_max_alarm(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
unsigned nr = to_sensor_dev_attr(devattr)->index;
|
|
|
|
return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX));
|
|
}
|
|
|
|
static struct sensor_device_attribute in_min_alarm[] = {
|
|
SENSOR_ATTR(in0_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 0),
|
|
SENSOR_ATTR(in1_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 1),
|
|
SENSOR_ATTR(in2_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 2),
|
|
SENSOR_ATTR(in3_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 3),
|
|
SENSOR_ATTR(in4_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 4),
|
|
SENSOR_ATTR(in5_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 5),
|
|
SENSOR_ATTR(in6_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 6),
|
|
SENSOR_ATTR(in7_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 7),
|
|
SENSOR_ATTR(in8_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 8),
|
|
SENSOR_ATTR(in9_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 9),
|
|
SENSOR_ATTR(in10_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 10),
|
|
};
|
|
static struct sensor_device_attribute in_max_alarm[] = {
|
|
SENSOR_ATTR(in0_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 0),
|
|
SENSOR_ATTR(in1_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 1),
|
|
SENSOR_ATTR(in2_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 2),
|
|
SENSOR_ATTR(in3_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 3),
|
|
SENSOR_ATTR(in4_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 4),
|
|
SENSOR_ATTR(in5_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 5),
|
|
SENSOR_ATTR(in6_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 6),
|
|
SENSOR_ATTR(in7_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 7),
|
|
SENSOR_ATTR(in8_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 8),
|
|
SENSOR_ATTR(in9_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 9),
|
|
SENSOR_ATTR(in10_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 10),
|
|
};
|
|
|
|
#define VIN_UNIT_ATTRS(X) \
|
|
&in_input[X].dev_attr.attr, \
|
|
&in_status[X].dev_attr.attr, \
|
|
&in_min[X].dev_attr.attr, \
|
|
&in_max[X].dev_attr.attr, \
|
|
&in_min_alarm[X].dev_attr.attr, \
|
|
&in_max_alarm[X].dev_attr.attr
|
|
|
|
static ssize_t show_vid(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm));
|
|
}
|
|
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
|
|
|
|
static ssize_t show_vrm(struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct pc87360_data *data = dev_get_drvdata(dev);
|
|
return sprintf(buf, "%u\n", data->vrm);
|
|
}
|
|
static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct pc87360_data *data = dev_get_drvdata(dev);
|
|
unsigned long val;
|
|
int err;
|
|
|
|
err = kstrtoul(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
data->vrm = val;
|
|
return count;
|
|
}
|
|
static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
|
|
|
|
static ssize_t show_in_alarms(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
return sprintf(buf, "%u\n", data->in_alarms);
|
|
}
|
|
static DEVICE_ATTR(alarms_in, S_IRUGO, show_in_alarms, NULL);
|
|
|
|
static struct attribute *pc8736x_vin_attr_array[] = {
|
|
VIN_UNIT_ATTRS(0),
|
|
VIN_UNIT_ATTRS(1),
|
|
VIN_UNIT_ATTRS(2),
|
|
VIN_UNIT_ATTRS(3),
|
|
VIN_UNIT_ATTRS(4),
|
|
VIN_UNIT_ATTRS(5),
|
|
VIN_UNIT_ATTRS(6),
|
|
VIN_UNIT_ATTRS(7),
|
|
VIN_UNIT_ATTRS(8),
|
|
VIN_UNIT_ATTRS(9),
|
|
VIN_UNIT_ATTRS(10),
|
|
&dev_attr_cpu0_vid.attr,
|
|
&dev_attr_vrm.attr,
|
|
&dev_attr_alarms_in.attr,
|
|
NULL
|
|
};
|
|
static const struct attribute_group pc8736x_vin_group = {
|
|
.attrs = pc8736x_vin_attr_array,
|
|
};
|
|
|
|
static ssize_t show_therm_input(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index],
|
|
data->in_vref));
|
|
}
|
|
static ssize_t show_therm_min(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index],
|
|
data->in_vref));
|
|
}
|
|
static ssize_t show_therm_max(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index],
|
|
data->in_vref));
|
|
}
|
|
static ssize_t show_therm_crit(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
return sprintf(buf, "%u\n", IN_FROM_REG(data->in_crit[attr->index-11],
|
|
data->in_vref));
|
|
}
|
|
static ssize_t show_therm_status(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
return sprintf(buf, "%u\n", data->in_status[attr->index]);
|
|
}
|
|
|
|
static ssize_t set_therm_min(struct device *dev,
|
|
struct device_attribute *devattr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
|
struct pc87360_data *data = dev_get_drvdata(dev);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->in_min[attr->index] = IN_TO_REG(val, data->in_vref);
|
|
pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MIN,
|
|
data->in_min[attr->index]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static ssize_t set_therm_max(struct device *dev,
|
|
struct device_attribute *devattr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
|
struct pc87360_data *data = dev_get_drvdata(dev);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->in_max[attr->index] = IN_TO_REG(val, data->in_vref);
|
|
pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MAX,
|
|
data->in_max[attr->index]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
static ssize_t set_therm_crit(struct device *dev,
|
|
struct device_attribute *devattr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
|
struct pc87360_data *data = dev_get_drvdata(dev);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->in_crit[attr->index-11] = IN_TO_REG(val, data->in_vref);
|
|
pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_CRIT,
|
|
data->in_crit[attr->index-11]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
/*
|
|
* the +11 term below reflects the fact that VLM units 11,12,13 are
|
|
* used in the chip to measure voltage across the thermistors
|
|
*/
|
|
static struct sensor_device_attribute therm_input[] = {
|
|
SENSOR_ATTR(temp4_input, S_IRUGO, show_therm_input, NULL, 0 + 11),
|
|
SENSOR_ATTR(temp5_input, S_IRUGO, show_therm_input, NULL, 1 + 11),
|
|
SENSOR_ATTR(temp6_input, S_IRUGO, show_therm_input, NULL, 2 + 11),
|
|
};
|
|
static struct sensor_device_attribute therm_status[] = {
|
|
SENSOR_ATTR(temp4_status, S_IRUGO, show_therm_status, NULL, 0 + 11),
|
|
SENSOR_ATTR(temp5_status, S_IRUGO, show_therm_status, NULL, 1 + 11),
|
|
SENSOR_ATTR(temp6_status, S_IRUGO, show_therm_status, NULL, 2 + 11),
|
|
};
|
|
static struct sensor_device_attribute therm_min[] = {
|
|
SENSOR_ATTR(temp4_min, S_IRUGO | S_IWUSR,
|
|
show_therm_min, set_therm_min, 0 + 11),
|
|
SENSOR_ATTR(temp5_min, S_IRUGO | S_IWUSR,
|
|
show_therm_min, set_therm_min, 1 + 11),
|
|
SENSOR_ATTR(temp6_min, S_IRUGO | S_IWUSR,
|
|
show_therm_min, set_therm_min, 2 + 11),
|
|
};
|
|
static struct sensor_device_attribute therm_max[] = {
|
|
SENSOR_ATTR(temp4_max, S_IRUGO | S_IWUSR,
|
|
show_therm_max, set_therm_max, 0 + 11),
|
|
SENSOR_ATTR(temp5_max, S_IRUGO | S_IWUSR,
|
|
show_therm_max, set_therm_max, 1 + 11),
|
|
SENSOR_ATTR(temp6_max, S_IRUGO | S_IWUSR,
|
|
show_therm_max, set_therm_max, 2 + 11),
|
|
};
|
|
static struct sensor_device_attribute therm_crit[] = {
|
|
SENSOR_ATTR(temp4_crit, S_IRUGO | S_IWUSR,
|
|
show_therm_crit, set_therm_crit, 0 + 11),
|
|
SENSOR_ATTR(temp5_crit, S_IRUGO | S_IWUSR,
|
|
show_therm_crit, set_therm_crit, 1 + 11),
|
|
SENSOR_ATTR(temp6_crit, S_IRUGO | S_IWUSR,
|
|
show_therm_crit, set_therm_crit, 2 + 11),
|
|
};
|
|
|
|
/*
|
|
* show_therm_min/max_alarm() reads data from the per-channel voltage
|
|
* status register (sec 11.5.12)
|
|
*/
|
|
|
|
static ssize_t show_therm_min_alarm(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
unsigned nr = to_sensor_dev_attr(devattr)->index;
|
|
|
|
return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN));
|
|
}
|
|
static ssize_t show_therm_max_alarm(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
unsigned nr = to_sensor_dev_attr(devattr)->index;
|
|
|
|
return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX));
|
|
}
|
|
static ssize_t show_therm_crit_alarm(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
unsigned nr = to_sensor_dev_attr(devattr)->index;
|
|
|
|
return sprintf(buf, "%u\n", !!(data->in_status[nr] & TEMP_ALM_CRIT));
|
|
}
|
|
|
|
static struct sensor_device_attribute therm_min_alarm[] = {
|
|
SENSOR_ATTR(temp4_min_alarm, S_IRUGO,
|
|
show_therm_min_alarm, NULL, 0 + 11),
|
|
SENSOR_ATTR(temp5_min_alarm, S_IRUGO,
|
|
show_therm_min_alarm, NULL, 1 + 11),
|
|
SENSOR_ATTR(temp6_min_alarm, S_IRUGO,
|
|
show_therm_min_alarm, NULL, 2 + 11),
|
|
};
|
|
static struct sensor_device_attribute therm_max_alarm[] = {
|
|
SENSOR_ATTR(temp4_max_alarm, S_IRUGO,
|
|
show_therm_max_alarm, NULL, 0 + 11),
|
|
SENSOR_ATTR(temp5_max_alarm, S_IRUGO,
|
|
show_therm_max_alarm, NULL, 1 + 11),
|
|
SENSOR_ATTR(temp6_max_alarm, S_IRUGO,
|
|
show_therm_max_alarm, NULL, 2 + 11),
|
|
};
|
|
static struct sensor_device_attribute therm_crit_alarm[] = {
|
|
SENSOR_ATTR(temp4_crit_alarm, S_IRUGO,
|
|
show_therm_crit_alarm, NULL, 0 + 11),
|
|
SENSOR_ATTR(temp5_crit_alarm, S_IRUGO,
|
|
show_therm_crit_alarm, NULL, 1 + 11),
|
|
SENSOR_ATTR(temp6_crit_alarm, S_IRUGO,
|
|
show_therm_crit_alarm, NULL, 2 + 11),
|
|
};
|
|
|
|
#define THERM_UNIT_ATTRS(X) \
|
|
&therm_input[X].dev_attr.attr, \
|
|
&therm_status[X].dev_attr.attr, \
|
|
&therm_min[X].dev_attr.attr, \
|
|
&therm_max[X].dev_attr.attr, \
|
|
&therm_crit[X].dev_attr.attr, \
|
|
&therm_min_alarm[X].dev_attr.attr, \
|
|
&therm_max_alarm[X].dev_attr.attr, \
|
|
&therm_crit_alarm[X].dev_attr.attr
|
|
|
|
static struct attribute *pc8736x_therm_attr_array[] = {
|
|
THERM_UNIT_ATTRS(0),
|
|
THERM_UNIT_ATTRS(1),
|
|
THERM_UNIT_ATTRS(2),
|
|
NULL
|
|
};
|
|
static const struct attribute_group pc8736x_therm_group = {
|
|
.attrs = pc8736x_therm_attr_array,
|
|
};
|
|
|
|
static ssize_t show_temp_input(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index]));
|
|
}
|
|
|
|
static ssize_t show_temp_min(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[attr->index]));
|
|
}
|
|
|
|
static ssize_t show_temp_max(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[attr->index]));
|
|
}
|
|
|
|
static ssize_t show_temp_crit(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
return sprintf(buf, "%d\n",
|
|
TEMP_FROM_REG(data->temp_crit[attr->index]));
|
|
}
|
|
|
|
static ssize_t show_temp_status(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
return sprintf(buf, "%d\n", data->temp_status[attr->index]);
|
|
}
|
|
|
|
static ssize_t set_temp_min(struct device *dev,
|
|
struct device_attribute *devattr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
|
struct pc87360_data *data = dev_get_drvdata(dev);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->temp_min[attr->index] = TEMP_TO_REG(val);
|
|
pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MIN,
|
|
data->temp_min[attr->index]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static ssize_t set_temp_max(struct device *dev,
|
|
struct device_attribute *devattr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
|
struct pc87360_data *data = dev_get_drvdata(dev);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->temp_max[attr->index] = TEMP_TO_REG(val);
|
|
pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MAX,
|
|
data->temp_max[attr->index]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static ssize_t set_temp_crit(struct device *dev,
|
|
struct device_attribute *devattr, const char *buf,
|
|
size_t count)
|
|
{
|
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
|
struct pc87360_data *data = dev_get_drvdata(dev);
|
|
long val;
|
|
int err;
|
|
|
|
err = kstrtol(buf, 10, &val);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
data->temp_crit[attr->index] = TEMP_TO_REG(val);
|
|
pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_CRIT,
|
|
data->temp_crit[attr->index]);
|
|
mutex_unlock(&data->update_lock);
|
|
return count;
|
|
}
|
|
|
|
static struct sensor_device_attribute temp_input[] = {
|
|
SENSOR_ATTR(temp1_input, S_IRUGO, show_temp_input, NULL, 0),
|
|
SENSOR_ATTR(temp2_input, S_IRUGO, show_temp_input, NULL, 1),
|
|
SENSOR_ATTR(temp3_input, S_IRUGO, show_temp_input, NULL, 2),
|
|
};
|
|
static struct sensor_device_attribute temp_status[] = {
|
|
SENSOR_ATTR(temp1_status, S_IRUGO, show_temp_status, NULL, 0),
|
|
SENSOR_ATTR(temp2_status, S_IRUGO, show_temp_status, NULL, 1),
|
|
SENSOR_ATTR(temp3_status, S_IRUGO, show_temp_status, NULL, 2),
|
|
};
|
|
static struct sensor_device_attribute temp_min[] = {
|
|
SENSOR_ATTR(temp1_min, S_IRUGO | S_IWUSR,
|
|
show_temp_min, set_temp_min, 0),
|
|
SENSOR_ATTR(temp2_min, S_IRUGO | S_IWUSR,
|
|
show_temp_min, set_temp_min, 1),
|
|
SENSOR_ATTR(temp3_min, S_IRUGO | S_IWUSR,
|
|
show_temp_min, set_temp_min, 2),
|
|
};
|
|
static struct sensor_device_attribute temp_max[] = {
|
|
SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR,
|
|
show_temp_max, set_temp_max, 0),
|
|
SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR,
|
|
show_temp_max, set_temp_max, 1),
|
|
SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR,
|
|
show_temp_max, set_temp_max, 2),
|
|
};
|
|
static struct sensor_device_attribute temp_crit[] = {
|
|
SENSOR_ATTR(temp1_crit, S_IRUGO | S_IWUSR,
|
|
show_temp_crit, set_temp_crit, 0),
|
|
SENSOR_ATTR(temp2_crit, S_IRUGO | S_IWUSR,
|
|
show_temp_crit, set_temp_crit, 1),
|
|
SENSOR_ATTR(temp3_crit, S_IRUGO | S_IWUSR,
|
|
show_temp_crit, set_temp_crit, 2),
|
|
};
|
|
|
|
static ssize_t show_temp_alarms(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
return sprintf(buf, "%u\n", data->temp_alarms);
|
|
}
|
|
|
|
static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL);
|
|
|
|
/*
|
|
* show_temp_min/max_alarm() reads data from the per-channel status
|
|
* register (sec 12.3.7), not the temp event status registers (sec
|
|
* 12.3.2) that show_temp_alarm() reads (via data->temp_alarms)
|
|
*/
|
|
|
|
static ssize_t show_temp_min_alarm(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
unsigned nr = to_sensor_dev_attr(devattr)->index;
|
|
|
|
return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MIN));
|
|
}
|
|
|
|
static ssize_t show_temp_max_alarm(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
unsigned nr = to_sensor_dev_attr(devattr)->index;
|
|
|
|
return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MAX));
|
|
}
|
|
|
|
static ssize_t show_temp_crit_alarm(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
unsigned nr = to_sensor_dev_attr(devattr)->index;
|
|
|
|
return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_ALM_CRIT));
|
|
}
|
|
|
|
static struct sensor_device_attribute temp_min_alarm[] = {
|
|
SENSOR_ATTR(temp1_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 0),
|
|
SENSOR_ATTR(temp2_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 1),
|
|
SENSOR_ATTR(temp3_min_alarm, S_IRUGO, show_temp_min_alarm, NULL, 2),
|
|
};
|
|
|
|
static struct sensor_device_attribute temp_max_alarm[] = {
|
|
SENSOR_ATTR(temp1_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 0),
|
|
SENSOR_ATTR(temp2_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 1),
|
|
SENSOR_ATTR(temp3_max_alarm, S_IRUGO, show_temp_max_alarm, NULL, 2),
|
|
};
|
|
|
|
static struct sensor_device_attribute temp_crit_alarm[] = {
|
|
SENSOR_ATTR(temp1_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 0),
|
|
SENSOR_ATTR(temp2_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 1),
|
|
SENSOR_ATTR(temp3_crit_alarm, S_IRUGO, show_temp_crit_alarm, NULL, 2),
|
|
};
|
|
|
|
#define TEMP_FAULT 0x40 /* open diode */
|
|
static ssize_t show_temp_fault(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct pc87360_data *data = pc87360_update_device(dev);
|
|
unsigned nr = to_sensor_dev_attr(devattr)->index;
|
|
|
|
return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_FAULT));
|
|
}
|
|
static struct sensor_device_attribute temp_fault[] = {
|
|
SENSOR_ATTR(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0),
|
|
SENSOR_ATTR(temp2_fault, S_IRUGO, show_temp_fault, NULL, 1),
|
|
SENSOR_ATTR(temp3_fault, S_IRUGO, show_temp_fault, NULL, 2),
|
|
};
|
|
|
|
#define TEMP_UNIT_ATTRS(X) \
|
|
{ &temp_input[X].dev_attr.attr, \
|
|
&temp_status[X].dev_attr.attr, \
|
|
&temp_min[X].dev_attr.attr, \
|
|
&temp_max[X].dev_attr.attr, \
|
|
&temp_crit[X].dev_attr.attr, \
|
|
&temp_min_alarm[X].dev_attr.attr, \
|
|
&temp_max_alarm[X].dev_attr.attr, \
|
|
&temp_crit_alarm[X].dev_attr.attr, \
|
|
&temp_fault[X].dev_attr.attr, \
|
|
NULL \
|
|
}
|
|
|
|
static struct attribute *pc8736x_temp_attr[][10] = {
|
|
TEMP_UNIT_ATTRS(0),
|
|
TEMP_UNIT_ATTRS(1),
|
|
TEMP_UNIT_ATTRS(2)
|
|
};
|
|
|
|
static const struct attribute_group pc8736x_temp_attr_group[] = {
|
|
{ .attrs = pc8736x_temp_attr[0] },
|
|
{ .attrs = pc8736x_temp_attr[1] },
|
|
{ .attrs = pc8736x_temp_attr[2] }
|
|
};
|
|
|
|
static ssize_t show_name(struct device *dev,
|
|
struct device_attribute *devattr, char *buf)
|
|
{
|
|
struct pc87360_data *data = dev_get_drvdata(dev);
|
|
return sprintf(buf, "%s\n", data->name);
|
|
}
|
|
|
|
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
|
|
|
|
/*
|
|
* Device detection, registration and update
|
|
*/
|
|
|
|
static int __init pc87360_find(int sioaddr, u8 *devid,
|
|
unsigned short *addresses)
|
|
{
|
|
u16 val;
|
|
int i;
|
|
int nrdev; /* logical device count */
|
|
|
|
/* No superio_enter */
|
|
|
|
/* Identify device */
|
|
val = force_id ? force_id : superio_inb(sioaddr, DEVID);
|
|
switch (val) {
|
|
case 0xE1: /* PC87360 */
|
|
case 0xE8: /* PC87363 */
|
|
case 0xE4: /* PC87364 */
|
|
nrdev = 1;
|
|
break;
|
|
case 0xE5: /* PC87365 */
|
|
case 0xE9: /* PC87366 */
|
|
nrdev = 3;
|
|
break;
|
|
default:
|
|
superio_exit(sioaddr);
|
|
return -ENODEV;
|
|
}
|
|
/* Remember the device id */
|
|
*devid = val;
|
|
|
|
for (i = 0; i < nrdev; i++) {
|
|
/* select logical device */
|
|
superio_outb(sioaddr, DEV, logdev[i]);
|
|
|
|
val = superio_inb(sioaddr, ACT);
|
|
if (!(val & 0x01)) {
|
|
pr_info("Device 0x%02x not activated\n", logdev[i]);
|
|
continue;
|
|
}
|
|
|
|
val = (superio_inb(sioaddr, BASE) << 8)
|
|
| superio_inb(sioaddr, BASE + 1);
|
|
if (!val) {
|
|
pr_info("Base address not set for device 0x%02x\n",
|
|
logdev[i]);
|
|
continue;
|
|
}
|
|
|
|
addresses[i] = val;
|
|
|
|
if (i == 0) { /* Fans */
|
|
confreg[0] = superio_inb(sioaddr, 0xF0);
|
|
confreg[1] = superio_inb(sioaddr, 0xF1);
|
|
|
|
pr_debug("Fan %d: mon=%d ctrl=%d inv=%d\n", 1,
|
|
(confreg[0] >> 2) & 1, (confreg[0] >> 3) & 1,
|
|
(confreg[0] >> 4) & 1);
|
|
pr_debug("Fan %d: mon=%d ctrl=%d inv=%d\n", 2,
|
|
(confreg[0] >> 5) & 1, (confreg[0] >> 6) & 1,
|
|
(confreg[0] >> 7) & 1);
|
|
pr_debug("Fan %d: mon=%d ctrl=%d inv=%d\n", 3,
|
|
confreg[1] & 1, (confreg[1] >> 1) & 1,
|
|
(confreg[1] >> 2) & 1);
|
|
} else if (i == 1) { /* Voltages */
|
|
/* Are we using thermistors? */
|
|
if (*devid == 0xE9) { /* PC87366 */
|
|
/*
|
|
* These registers are not logical-device
|
|
* specific, just that we won't need them if
|
|
* we don't use the VLM device
|
|
*/
|
|
confreg[2] = superio_inb(sioaddr, 0x2B);
|
|
confreg[3] = superio_inb(sioaddr, 0x25);
|
|
|
|
if (confreg[2] & 0x40) {
|
|
pr_info("Using thermistors for temperature monitoring\n");
|
|
}
|
|
if (confreg[3] & 0xE0) {
|
|
pr_info("VID inputs routed (mode %u)\n",
|
|
confreg[3] >> 5);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
superio_exit(sioaddr);
|
|
return 0;
|
|
}
|
|
|
|
static void pc87360_remove_files(struct device *dev)
|
|
{
|
|
int i;
|
|
|
|
device_remove_file(dev, &dev_attr_name);
|
|
device_remove_file(dev, &dev_attr_alarms_temp);
|
|
for (i = 0; i < ARRAY_SIZE(pc8736x_temp_attr_group); i++)
|
|
sysfs_remove_group(&dev->kobj, &pc8736x_temp_attr_group[i]);
|
|
for (i = 0; i < ARRAY_SIZE(pc8736x_fan_attr_group); i++) {
|
|
sysfs_remove_group(&pdev->dev.kobj, &pc8736x_fan_attr_group[i]);
|
|
device_remove_file(dev, &pwm[i].dev_attr);
|
|
}
|
|
sysfs_remove_group(&dev->kobj, &pc8736x_therm_group);
|
|
sysfs_remove_group(&dev->kobj, &pc8736x_vin_group);
|
|
}
|
|
|
|
static int pc87360_probe(struct platform_device *pdev)
|
|
{
|
|
int i;
|
|
struct pc87360_data *data;
|
|
int err = 0;
|
|
const char *name = "pc87360";
|
|
int use_thermistors = 0;
|
|
struct device *dev = &pdev->dev;
|
|
|
|
data = devm_kzalloc(dev, sizeof(struct pc87360_data), GFP_KERNEL);
|
|
if (!data)
|
|
return -ENOMEM;
|
|
|
|
data->fannr = 2;
|
|
data->innr = 0;
|
|
data->tempnr = 0;
|
|
|
|
switch (devid) {
|
|
case 0xe8:
|
|
name = "pc87363";
|
|
break;
|
|
case 0xe4:
|
|
name = "pc87364";
|
|
data->fannr = 3;
|
|
break;
|
|
case 0xe5:
|
|
name = "pc87365";
|
|
data->fannr = extra_isa[0] ? 3 : 0;
|
|
data->innr = extra_isa[1] ? 11 : 0;
|
|
data->tempnr = extra_isa[2] ? 2 : 0;
|
|
break;
|
|
case 0xe9:
|
|
name = "pc87366";
|
|
data->fannr = extra_isa[0] ? 3 : 0;
|
|
data->innr = extra_isa[1] ? 14 : 0;
|
|
data->tempnr = extra_isa[2] ? 3 : 0;
|
|
break;
|
|
}
|
|
|
|
data->name = name;
|
|
data->valid = 0;
|
|
mutex_init(&data->lock);
|
|
mutex_init(&data->update_lock);
|
|
platform_set_drvdata(pdev, data);
|
|
|
|
for (i = 0; i < LDNI_MAX; i++) {
|
|
data->address[i] = extra_isa[i];
|
|
if (data->address[i]
|
|
&& !devm_request_region(dev, extra_isa[i], PC87360_EXTENT,
|
|
pc87360_driver.driver.name)) {
|
|
dev_err(dev,
|
|
"Region 0x%x-0x%x already in use!\n",
|
|
extra_isa[i], extra_isa[i]+PC87360_EXTENT-1);
|
|
return -EBUSY;
|
|
}
|
|
}
|
|
|
|
/* Retrieve the fans configuration from Super-I/O space */
|
|
if (data->fannr)
|
|
data->fan_conf = confreg[0] | (confreg[1] << 8);
|
|
|
|
/*
|
|
* Use the correct reference voltage
|
|
* Unless both the VLM and the TMS logical devices agree to
|
|
* use an external Vref, the internal one is used.
|
|
*/
|
|
if (data->innr) {
|
|
i = pc87360_read_value(data, LD_IN, NO_BANK,
|
|
PC87365_REG_IN_CONFIG);
|
|
if (data->tempnr) {
|
|
i &= pc87360_read_value(data, LD_TEMP, NO_BANK,
|
|
PC87365_REG_TEMP_CONFIG);
|
|
}
|
|
data->in_vref = (i&0x02) ? 3025 : 2966;
|
|
dev_dbg(dev, "Using %s reference voltage\n",
|
|
(i&0x02) ? "external" : "internal");
|
|
|
|
data->vid_conf = confreg[3];
|
|
data->vrm = vid_which_vrm();
|
|
}
|
|
|
|
/* Fan clock dividers may be needed before any data is read */
|
|
for (i = 0; i < data->fannr; i++) {
|
|
if (FAN_CONFIG_MONITOR(data->fan_conf, i))
|
|
data->fan_status[i] = pc87360_read_value(data,
|
|
LD_FAN, NO_BANK,
|
|
PC87360_REG_FAN_STATUS(i));
|
|
}
|
|
|
|
if (init > 0) {
|
|
if (devid == 0xe9 && data->address[1]) /* PC87366 */
|
|
use_thermistors = confreg[2] & 0x40;
|
|
|
|
pc87360_init_device(pdev, use_thermistors);
|
|
}
|
|
|
|
/* Register all-or-nothing sysfs groups */
|
|
|
|
if (data->innr) {
|
|
err = sysfs_create_group(&dev->kobj, &pc8736x_vin_group);
|
|
if (err)
|
|
goto error;
|
|
}
|
|
|
|
if (data->innr == 14) {
|
|
err = sysfs_create_group(&dev->kobj, &pc8736x_therm_group);
|
|
if (err)
|
|
goto error;
|
|
}
|
|
|
|
/* create device attr-files for varying sysfs groups */
|
|
|
|
if (data->tempnr) {
|
|
for (i = 0; i < data->tempnr; i++) {
|
|
err = sysfs_create_group(&dev->kobj,
|
|
&pc8736x_temp_attr_group[i]);
|
|
if (err)
|
|
goto error;
|
|
}
|
|
err = device_create_file(dev, &dev_attr_alarms_temp);
|
|
if (err)
|
|
goto error;
|
|
}
|
|
|
|
for (i = 0; i < data->fannr; i++) {
|
|
if (FAN_CONFIG_MONITOR(data->fan_conf, i)) {
|
|
err = sysfs_create_group(&dev->kobj,
|
|
&pc8736x_fan_attr_group[i]);
|
|
if (err)
|
|
goto error;
|
|
}
|
|
if (FAN_CONFIG_CONTROL(data->fan_conf, i)) {
|
|
err = device_create_file(dev, &pwm[i].dev_attr);
|
|
if (err)
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
err = device_create_file(dev, &dev_attr_name);
|
|
if (err)
|
|
goto error;
|
|
|
|
data->hwmon_dev = hwmon_device_register(dev);
|
|
if (IS_ERR(data->hwmon_dev)) {
|
|
err = PTR_ERR(data->hwmon_dev);
|
|
goto error;
|
|
}
|
|
return 0;
|
|
|
|
error:
|
|
pc87360_remove_files(dev);
|
|
return err;
|
|
}
|
|
|
|
static int pc87360_remove(struct platform_device *pdev)
|
|
{
|
|
struct pc87360_data *data = platform_get_drvdata(pdev);
|
|
|
|
hwmon_device_unregister(data->hwmon_dev);
|
|
pc87360_remove_files(&pdev->dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* ldi is the logical device index
|
|
* bank is for voltages and temperatures only
|
|
*/
|
|
static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
|
|
u8 reg)
|
|
{
|
|
int res;
|
|
|
|
mutex_lock(&(data->lock));
|
|
if (bank != NO_BANK)
|
|
outb_p(bank, data->address[ldi] + PC87365_REG_BANK);
|
|
res = inb_p(data->address[ldi] + reg);
|
|
mutex_unlock(&(data->lock));
|
|
|
|
return res;
|
|
}
|
|
|
|
static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
|
|
u8 reg, u8 value)
|
|
{
|
|
mutex_lock(&(data->lock));
|
|
if (bank != NO_BANK)
|
|
outb_p(bank, data->address[ldi] + PC87365_REG_BANK);
|
|
outb_p(value, data->address[ldi] + reg);
|
|
mutex_unlock(&(data->lock));
|
|
}
|
|
|
|
/* (temp & vin) channel conversion status register flags (pdf sec.11.5.12) */
|
|
#define CHAN_CNVRTD 0x80 /* new data ready */
|
|
#define CHAN_ENA 0x01 /* enabled channel (temp or vin) */
|
|
#define CHAN_ALM_ENA 0x10 /* propagate to alarms-reg ?? (chk val!) */
|
|
#define CHAN_READY (CHAN_ENA|CHAN_CNVRTD) /* sample ready mask */
|
|
|
|
#define TEMP_OTS_OE 0x20 /* OTS Output Enable */
|
|
#define VIN_RW1C_MASK (CHAN_READY|CHAN_ALM_MAX|CHAN_ALM_MIN) /* 0x87 */
|
|
#define TEMP_RW1C_MASK (VIN_RW1C_MASK|TEMP_ALM_CRIT|TEMP_FAULT) /* 0xCF */
|
|
|
|
static void pc87360_init_device(struct platform_device *pdev,
|
|
int use_thermistors)
|
|
{
|
|
struct pc87360_data *data = platform_get_drvdata(pdev);
|
|
int i, nr;
|
|
const u8 init_in[14] = { 2, 2, 2, 2, 2, 2, 2, 1, 1, 3, 1, 2, 2, 2 };
|
|
const u8 init_temp[3] = { 2, 2, 1 };
|
|
u8 reg;
|
|
|
|
if (init >= 2 && data->innr) {
|
|
reg = pc87360_read_value(data, LD_IN, NO_BANK,
|
|
PC87365_REG_IN_CONVRATE);
|
|
dev_info(&pdev->dev,
|
|
"VLM conversion set to 1s period, 160us delay\n");
|
|
pc87360_write_value(data, LD_IN, NO_BANK,
|
|
PC87365_REG_IN_CONVRATE,
|
|
(reg & 0xC0) | 0x11);
|
|
}
|
|
|
|
nr = data->innr < 11 ? data->innr : 11;
|
|
for (i = 0; i < nr; i++) {
|
|
reg = pc87360_read_value(data, LD_IN, i,
|
|
PC87365_REG_IN_STATUS);
|
|
dev_dbg(&pdev->dev, "bios in%d status:0x%02x\n", i, reg);
|
|
if (init >= init_in[i]) {
|
|
/* Forcibly enable voltage channel */
|
|
if (!(reg & CHAN_ENA)) {
|
|
dev_dbg(&pdev->dev, "Forcibly enabling in%d\n",
|
|
i);
|
|
pc87360_write_value(data, LD_IN, i,
|
|
PC87365_REG_IN_STATUS,
|
|
(reg & 0x68) | 0x87);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* We can't blindly trust the Super-I/O space configuration bit,
|
|
* most BIOS won't set it properly
|
|
*/
|
|
dev_dbg(&pdev->dev, "bios thermistors:%d\n", use_thermistors);
|
|
for (i = 11; i < data->innr; i++) {
|
|
reg = pc87360_read_value(data, LD_IN, i,
|
|
PC87365_REG_TEMP_STATUS);
|
|
use_thermistors = use_thermistors || (reg & CHAN_ENA);
|
|
/* thermistors are temp[4-6], measured on vin[11-14] */
|
|
dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i-7, reg);
|
|
}
|
|
dev_dbg(&pdev->dev, "using thermistors:%d\n", use_thermistors);
|
|
|
|
i = use_thermistors ? 2 : 0;
|
|
for (; i < data->tempnr; i++) {
|
|
reg = pc87360_read_value(data, LD_TEMP, i,
|
|
PC87365_REG_TEMP_STATUS);
|
|
dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i + 1, reg);
|
|
if (init >= init_temp[i]) {
|
|
/* Forcibly enable temperature channel */
|
|
if (!(reg & CHAN_ENA)) {
|
|
dev_dbg(&pdev->dev,
|
|
"Forcibly enabling temp%d\n", i + 1);
|
|
pc87360_write_value(data, LD_TEMP, i,
|
|
PC87365_REG_TEMP_STATUS,
|
|
0xCF);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (use_thermistors) {
|
|
for (i = 11; i < data->innr; i++) {
|
|
if (init >= init_in[i]) {
|
|
/*
|
|
* The pin may already be used by thermal
|
|
* diodes
|
|
*/
|
|
reg = pc87360_read_value(data, LD_TEMP,
|
|
(i - 11) / 2, PC87365_REG_TEMP_STATUS);
|
|
if (reg & CHAN_ENA) {
|
|
dev_dbg(&pdev->dev,
|
|
"Skipping temp%d, pin already in use by temp%d\n",
|
|
i - 7, (i - 11) / 2);
|
|
continue;
|
|
}
|
|
|
|
/* Forcibly enable thermistor channel */
|
|
reg = pc87360_read_value(data, LD_IN, i,
|
|
PC87365_REG_IN_STATUS);
|
|
if (!(reg & CHAN_ENA)) {
|
|
dev_dbg(&pdev->dev,
|
|
"Forcibly enabling temp%d\n",
|
|
i - 7);
|
|
pc87360_write_value(data, LD_IN, i,
|
|
PC87365_REG_TEMP_STATUS,
|
|
(reg & 0x60) | 0x8F);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (data->innr) {
|
|
reg = pc87360_read_value(data, LD_IN, NO_BANK,
|
|
PC87365_REG_IN_CONFIG);
|
|
dev_dbg(&pdev->dev, "bios vin-cfg:0x%02x\n", reg);
|
|
if (reg & CHAN_ENA) {
|
|
dev_dbg(&pdev->dev,
|
|
"Forcibly enabling monitoring (VLM)\n");
|
|
pc87360_write_value(data, LD_IN, NO_BANK,
|
|
PC87365_REG_IN_CONFIG,
|
|
reg & 0xFE);
|
|
}
|
|
}
|
|
|
|
if (data->tempnr) {
|
|
reg = pc87360_read_value(data, LD_TEMP, NO_BANK,
|
|
PC87365_REG_TEMP_CONFIG);
|
|
dev_dbg(&pdev->dev, "bios temp-cfg:0x%02x\n", reg);
|
|
if (reg & CHAN_ENA) {
|
|
dev_dbg(&pdev->dev,
|
|
"Forcibly enabling monitoring (TMS)\n");
|
|
pc87360_write_value(data, LD_TEMP, NO_BANK,
|
|
PC87365_REG_TEMP_CONFIG,
|
|
reg & 0xFE);
|
|
}
|
|
|
|
if (init >= 2) {
|
|
/* Chip config as documented by National Semi. */
|
|
pc87360_write_value(data, LD_TEMP, 0xF, 0xA, 0x08);
|
|
/*
|
|
* We voluntarily omit the bank here, in case the
|
|
* sequence itself matters. It shouldn't be a problem,
|
|
* since nobody else is supposed to access the
|
|
* device at that point.
|
|
*/
|
|
pc87360_write_value(data, LD_TEMP, NO_BANK, 0xB, 0x04);
|
|
pc87360_write_value(data, LD_TEMP, NO_BANK, 0xC, 0x35);
|
|
pc87360_write_value(data, LD_TEMP, NO_BANK, 0xD, 0x05);
|
|
pc87360_write_value(data, LD_TEMP, NO_BANK, 0xE, 0x05);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void pc87360_autodiv(struct device *dev, int nr)
|
|
{
|
|
struct pc87360_data *data = dev_get_drvdata(dev);
|
|
u8 old_min = data->fan_min[nr];
|
|
|
|
/* Increase clock divider if needed and possible */
|
|
if ((data->fan_status[nr] & 0x04) /* overflow flag */
|
|
|| (data->fan[nr] >= 224)) { /* next to overflow */
|
|
if ((data->fan_status[nr] & 0x60) != 0x60) {
|
|
data->fan_status[nr] += 0x20;
|
|
data->fan_min[nr] >>= 1;
|
|
data->fan[nr] >>= 1;
|
|
dev_dbg(dev,
|
|
"Increasing clock divider to %d for fan %d\n",
|
|
FAN_DIV_FROM_REG(data->fan_status[nr]), nr + 1);
|
|
}
|
|
} else {
|
|
/* Decrease clock divider if possible */
|
|
while (!(data->fan_min[nr] & 0x80) /* min "nails" divider */
|
|
&& data->fan[nr] < 85 /* bad accuracy */
|
|
&& (data->fan_status[nr] & 0x60) != 0x00) {
|
|
data->fan_status[nr] -= 0x20;
|
|
data->fan_min[nr] <<= 1;
|
|
data->fan[nr] <<= 1;
|
|
dev_dbg(dev,
|
|
"Decreasing clock divider to %d for fan %d\n",
|
|
FAN_DIV_FROM_REG(data->fan_status[nr]),
|
|
nr + 1);
|
|
}
|
|
}
|
|
|
|
/* Write new fan min if it changed */
|
|
if (old_min != data->fan_min[nr]) {
|
|
pc87360_write_value(data, LD_FAN, NO_BANK,
|
|
PC87360_REG_FAN_MIN(nr),
|
|
data->fan_min[nr]);
|
|
}
|
|
}
|
|
|
|
static struct pc87360_data *pc87360_update_device(struct device *dev)
|
|
{
|
|
struct pc87360_data *data = dev_get_drvdata(dev);
|
|
u8 i;
|
|
|
|
mutex_lock(&data->update_lock);
|
|
|
|
if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
|
|
dev_dbg(dev, "Data update\n");
|
|
|
|
/* Fans */
|
|
for (i = 0; i < data->fannr; i++) {
|
|
if (FAN_CONFIG_MONITOR(data->fan_conf, i)) {
|
|
data->fan_status[i] =
|
|
pc87360_read_value(data, LD_FAN,
|
|
NO_BANK, PC87360_REG_FAN_STATUS(i));
|
|
data->fan[i] = pc87360_read_value(data, LD_FAN,
|
|
NO_BANK, PC87360_REG_FAN(i));
|
|
data->fan_min[i] = pc87360_read_value(data,
|
|
LD_FAN, NO_BANK,
|
|
PC87360_REG_FAN_MIN(i));
|
|
/* Change clock divider if needed */
|
|
pc87360_autodiv(dev, i);
|
|
/* Clear bits and write new divider */
|
|
pc87360_write_value(data, LD_FAN, NO_BANK,
|
|
PC87360_REG_FAN_STATUS(i),
|
|
data->fan_status[i]);
|
|
}
|
|
if (FAN_CONFIG_CONTROL(data->fan_conf, i))
|
|
data->pwm[i] = pc87360_read_value(data, LD_FAN,
|
|
NO_BANK, PC87360_REG_PWM(i));
|
|
}
|
|
|
|
/* Voltages */
|
|
for (i = 0; i < data->innr; i++) {
|
|
data->in_status[i] = pc87360_read_value(data, LD_IN, i,
|
|
PC87365_REG_IN_STATUS);
|
|
/* Clear bits */
|
|
pc87360_write_value(data, LD_IN, i,
|
|
PC87365_REG_IN_STATUS,
|
|
data->in_status[i]);
|
|
if ((data->in_status[i] & CHAN_READY) == CHAN_READY) {
|
|
data->in[i] = pc87360_read_value(data, LD_IN,
|
|
i, PC87365_REG_IN);
|
|
}
|
|
if (data->in_status[i] & CHAN_ENA) {
|
|
data->in_min[i] = pc87360_read_value(data,
|
|
LD_IN, i,
|
|
PC87365_REG_IN_MIN);
|
|
data->in_max[i] = pc87360_read_value(data,
|
|
LD_IN, i,
|
|
PC87365_REG_IN_MAX);
|
|
if (i >= 11)
|
|
data->in_crit[i-11] =
|
|
pc87360_read_value(data, LD_IN,
|
|
i, PC87365_REG_TEMP_CRIT);
|
|
}
|
|
}
|
|
if (data->innr) {
|
|
data->in_alarms = pc87360_read_value(data, LD_IN,
|
|
NO_BANK, PC87365_REG_IN_ALARMS1)
|
|
| ((pc87360_read_value(data, LD_IN,
|
|
NO_BANK, PC87365_REG_IN_ALARMS2)
|
|
& 0x07) << 8);
|
|
data->vid = (data->vid_conf & 0xE0) ?
|
|
pc87360_read_value(data, LD_IN,
|
|
NO_BANK, PC87365_REG_VID) : 0x1F;
|
|
}
|
|
|
|
/* Temperatures */
|
|
for (i = 0; i < data->tempnr; i++) {
|
|
data->temp_status[i] = pc87360_read_value(data,
|
|
LD_TEMP, i,
|
|
PC87365_REG_TEMP_STATUS);
|
|
/* Clear bits */
|
|
pc87360_write_value(data, LD_TEMP, i,
|
|
PC87365_REG_TEMP_STATUS,
|
|
data->temp_status[i]);
|
|
if ((data->temp_status[i] & CHAN_READY) == CHAN_READY) {
|
|
data->temp[i] = pc87360_read_value(data,
|
|
LD_TEMP, i,
|
|
PC87365_REG_TEMP);
|
|
}
|
|
if (data->temp_status[i] & CHAN_ENA) {
|
|
data->temp_min[i] = pc87360_read_value(data,
|
|
LD_TEMP, i,
|
|
PC87365_REG_TEMP_MIN);
|
|
data->temp_max[i] = pc87360_read_value(data,
|
|
LD_TEMP, i,
|
|
PC87365_REG_TEMP_MAX);
|
|
data->temp_crit[i] = pc87360_read_value(data,
|
|
LD_TEMP, i,
|
|
PC87365_REG_TEMP_CRIT);
|
|
}
|
|
}
|
|
if (data->tempnr) {
|
|
data->temp_alarms = pc87360_read_value(data, LD_TEMP,
|
|
NO_BANK, PC87365_REG_TEMP_ALARMS)
|
|
& 0x3F;
|
|
}
|
|
|
|
data->last_updated = jiffies;
|
|
data->valid = 1;
|
|
}
|
|
|
|
mutex_unlock(&data->update_lock);
|
|
|
|
return data;
|
|
}
|
|
|
|
static int __init pc87360_device_add(unsigned short address)
|
|
{
|
|
struct resource res[3];
|
|
int err, i, res_count;
|
|
|
|
pdev = platform_device_alloc("pc87360", address);
|
|
if (!pdev) {
|
|
err = -ENOMEM;
|
|
pr_err("Device allocation failed\n");
|
|
goto exit;
|
|
}
|
|
|
|
memset(res, 0, 3 * sizeof(struct resource));
|
|
res_count = 0;
|
|
for (i = 0; i < 3; i++) {
|
|
if (!extra_isa[i])
|
|
continue;
|
|
res[res_count].start = extra_isa[i];
|
|
res[res_count].end = extra_isa[i] + PC87360_EXTENT - 1;
|
|
res[res_count].name = "pc87360",
|
|
res[res_count].flags = IORESOURCE_IO,
|
|
|
|
err = acpi_check_resource_conflict(&res[res_count]);
|
|
if (err)
|
|
goto exit_device_put;
|
|
|
|
res_count++;
|
|
}
|
|
|
|
err = platform_device_add_resources(pdev, res, res_count);
|
|
if (err) {
|
|
pr_err("Device resources addition failed (%d)\n", err);
|
|
goto exit_device_put;
|
|
}
|
|
|
|
err = platform_device_add(pdev);
|
|
if (err) {
|
|
pr_err("Device addition failed (%d)\n", err);
|
|
goto exit_device_put;
|
|
}
|
|
|
|
return 0;
|
|
|
|
exit_device_put:
|
|
platform_device_put(pdev);
|
|
exit:
|
|
return err;
|
|
}
|
|
|
|
static int __init pc87360_init(void)
|
|
{
|
|
int err, i;
|
|
unsigned short address = 0;
|
|
|
|
if (pc87360_find(0x2e, &devid, extra_isa)
|
|
&& pc87360_find(0x4e, &devid, extra_isa)) {
|
|
pr_warn("PC8736x not detected, module not inserted\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
/* Arbitrarily pick one of the addresses */
|
|
for (i = 0; i < 3; i++) {
|
|
if (extra_isa[i] != 0x0000) {
|
|
address = extra_isa[i];
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (address == 0x0000) {
|
|
pr_warn("No active logical device, module not inserted\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
err = platform_driver_register(&pc87360_driver);
|
|
if (err)
|
|
goto exit;
|
|
|
|
/* Sets global pdev as a side effect */
|
|
err = pc87360_device_add(address);
|
|
if (err)
|
|
goto exit_driver;
|
|
|
|
return 0;
|
|
|
|
exit_driver:
|
|
platform_driver_unregister(&pc87360_driver);
|
|
exit:
|
|
return err;
|
|
}
|
|
|
|
static void __exit pc87360_exit(void)
|
|
{
|
|
platform_device_unregister(pdev);
|
|
platform_driver_unregister(&pc87360_driver);
|
|
}
|
|
|
|
|
|
MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
|
|
MODULE_DESCRIPTION("PC8736x hardware monitor");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
module_init(pc87360_init);
|
|
module_exit(pc87360_exit);
|