forked from Minki/linux
943b0830ce
This patch modifies sensors chip drivers to make use of the new sysfs class "hwmon". Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
1362 lines
43 KiB
C
1362 lines
43 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 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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#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/i2c.h>
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#include <linux/i2c-sensor.h>
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#include <linux/i2c-vid.h>
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#include <linux/hwmon.h>
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#include <linux/err.h>
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#include <asm/io.h>
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static unsigned short normal_i2c[] = { I2C_CLIENT_END };
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static unsigned int normal_isa[] = { 0, I2C_CLIENT_ISA_END };
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static struct i2c_force_data forces[] = {{ NULL }};
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static u8 devid;
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static unsigned int extra_isa[3];
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static u8 confreg[4];
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enum chips { any_chip, pc87360, pc87363, pc87364, pc87365, pc87366 };
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static struct i2c_address_data addr_data = {
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.normal_i2c = normal_i2c,
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.normal_isa = normal_isa,
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.forces = forces,
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};
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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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/*
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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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static const u8 logdev[3] = { 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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* Client data (each client gets its own)
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*/
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struct pc87360_data {
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struct i2c_client client;
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struct class_device *class_dev;
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struct semaphore lock;
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struct semaphore 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_attach_adapter(struct i2c_adapter *adapter);
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static int pc87360_detect(struct i2c_adapter *adapter, int address, int kind);
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static int pc87360_detach_client(struct i2c_client *client);
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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_client(struct i2c_client *client, 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 (common to all clients)
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*/
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static struct i2c_driver pc87360_driver = {
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.owner = THIS_MODULE,
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.name = "pc87360",
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.flags = I2C_DF_NOTIFY,
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.attach_adapter = pc87360_attach_adapter,
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.detach_client = pc87360_detach_client,
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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 set_fan_min(struct device *dev, const char *buf,
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size_t count, int nr)
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{
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struct i2c_client *client = to_i2c_client(dev);
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struct pc87360_data *data = i2c_get_clientdata(client);
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long fan_min = simple_strtol(buf, NULL, 10);
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down(&data->update_lock);
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fan_min = FAN_TO_REG(fan_min, FAN_DIV_FROM_REG(data->fan_status[nr]));
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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[nr] & 0x60) != 0x60) {
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fan_min >>= 1;
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data->fan[nr] >>= 1;
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data->fan_status[nr] += 0x20;
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}
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data->fan_min[nr] = fan_min > 255 ? 255 : fan_min;
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pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_MIN(nr),
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data->fan_min[nr]);
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/* Write new divider, preserve alarm bits */
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pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_STATUS(nr),
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data->fan_status[nr] & 0xF9);
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up(&data->update_lock);
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return count;
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}
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#define show_and_set_fan(offset) \
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static ssize_t show_fan##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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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[offset-1], \
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FAN_DIV_FROM_REG(data->fan_status[offset-1]))); \
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} \
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static ssize_t show_fan##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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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[offset-1], \
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FAN_DIV_FROM_REG(data->fan_status[offset-1]))); \
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} \
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static ssize_t show_fan##offset##_div(struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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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[offset-1])); \
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} \
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static ssize_t show_fan##offset##_status(struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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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[offset-1])); \
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} \
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static ssize_t set_fan##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \
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size_t count) \
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{ \
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return set_fan_min(dev, buf, count, offset-1); \
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} \
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static DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
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show_fan##offset##_input, NULL); \
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static DEVICE_ATTR(fan##offset##_min, S_IWUSR | S_IRUGO, \
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show_fan##offset##_min, set_fan##offset##_min); \
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static DEVICE_ATTR(fan##offset##_div, S_IRUGO, \
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show_fan##offset##_div, NULL); \
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static DEVICE_ATTR(fan##offset##_status, S_IRUGO, \
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show_fan##offset##_status, NULL);
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show_and_set_fan(1)
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show_and_set_fan(2)
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show_and_set_fan(3)
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#define show_and_set_pwm(offset) \
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static ssize_t show_pwm##offset(struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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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[offset-1], \
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FAN_CONFIG_INVERT(data->fan_conf, \
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offset-1))); \
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} \
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static ssize_t set_pwm##offset(struct device *dev, struct device_attribute *attr, const char *buf, \
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size_t count) \
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{ \
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struct i2c_client *client = to_i2c_client(dev); \
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struct pc87360_data *data = i2c_get_clientdata(client); \
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long val = simple_strtol(buf, NULL, 10); \
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\
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down(&data->update_lock); \
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data->pwm[offset-1] = PWM_TO_REG(val, \
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FAN_CONFIG_INVERT(data->fan_conf, offset-1)); \
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pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_PWM(offset-1), \
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data->pwm[offset-1]); \
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up(&data->update_lock); \
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return count; \
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} \
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static DEVICE_ATTR(pwm##offset, S_IWUSR | S_IRUGO, \
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show_pwm##offset, set_pwm##offset);
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show_and_set_pwm(1)
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show_and_set_pwm(2)
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show_and_set_pwm(3)
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#define show_and_set_in(offset) \
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static ssize_t show_in##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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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[offset], \
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data->in_vref)); \
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} \
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static ssize_t show_in##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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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[offset], \
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data->in_vref)); \
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} \
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static ssize_t show_in##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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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[offset], \
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data->in_vref)); \
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} \
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static ssize_t show_in##offset##_status(struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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struct pc87360_data *data = pc87360_update_device(dev); \
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return sprintf(buf, "%u\n", data->in_status[offset]); \
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} \
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static ssize_t set_in##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \
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size_t count) \
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{ \
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struct i2c_client *client = to_i2c_client(dev); \
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struct pc87360_data *data = i2c_get_clientdata(client); \
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long val = simple_strtol(buf, NULL, 10); \
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\
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down(&data->update_lock); \
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data->in_min[offset] = IN_TO_REG(val, data->in_vref); \
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pc87360_write_value(data, LD_IN, offset, PC87365_REG_IN_MIN, \
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data->in_min[offset]); \
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up(&data->update_lock); \
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return count; \
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} \
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static ssize_t set_in##offset##_max(struct device *dev, struct device_attribute *attr, const char *buf, \
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size_t count) \
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{ \
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struct i2c_client *client = to_i2c_client(dev); \
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struct pc87360_data *data = i2c_get_clientdata(client); \
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long val = simple_strtol(buf, NULL, 10); \
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\
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down(&data->update_lock); \
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data->in_max[offset] = IN_TO_REG(val, \
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data->in_vref); \
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pc87360_write_value(data, LD_IN, offset, PC87365_REG_IN_MAX, \
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data->in_max[offset]); \
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up(&data->update_lock); \
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return count; \
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} \
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static DEVICE_ATTR(in##offset##_input, S_IRUGO, \
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show_in##offset##_input, NULL); \
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static DEVICE_ATTR(in##offset##_min, S_IWUSR | S_IRUGO, \
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show_in##offset##_min, set_in##offset##_min); \
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static DEVICE_ATTR(in##offset##_max, S_IWUSR | S_IRUGO, \
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show_in##offset##_max, set_in##offset##_max); \
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static DEVICE_ATTR(in##offset##_status, S_IRUGO, \
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show_in##offset##_status, NULL);
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show_and_set_in(0)
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show_and_set_in(1)
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show_and_set_in(2)
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show_and_set_in(3)
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show_and_set_in(4)
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show_and_set_in(5)
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show_and_set_in(6)
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show_and_set_in(7)
|
|
show_and_set_in(8)
|
|
show_and_set_in(9)
|
|
show_and_set_in(10)
|
|
|
|
#define show_and_set_therm(offset) \
|
|
static ssize_t show_temp##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \
|
|
{ \
|
|
struct pc87360_data *data = pc87360_update_device(dev); \
|
|
return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset+7], \
|
|
data->in_vref)); \
|
|
} \
|
|
static ssize_t show_temp##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \
|
|
{ \
|
|
struct pc87360_data *data = pc87360_update_device(dev); \
|
|
return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset+7], \
|
|
data->in_vref)); \
|
|
} \
|
|
static ssize_t show_temp##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \
|
|
{ \
|
|
struct pc87360_data *data = pc87360_update_device(dev); \
|
|
return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset+7], \
|
|
data->in_vref)); \
|
|
} \
|
|
static ssize_t show_temp##offset##_crit(struct device *dev, struct device_attribute *attr, char *buf) \
|
|
{ \
|
|
struct pc87360_data *data = pc87360_update_device(dev); \
|
|
return sprintf(buf, "%u\n", IN_FROM_REG(data->in_crit[offset-4], \
|
|
data->in_vref)); \
|
|
} \
|
|
static ssize_t show_temp##offset##_status(struct device *dev, struct device_attribute *attr, char *buf) \
|
|
{ \
|
|
struct pc87360_data *data = pc87360_update_device(dev); \
|
|
return sprintf(buf, "%u\n", data->in_status[offset+7]); \
|
|
} \
|
|
static ssize_t set_temp##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \
|
|
size_t count) \
|
|
{ \
|
|
struct i2c_client *client = to_i2c_client(dev); \
|
|
struct pc87360_data *data = i2c_get_clientdata(client); \
|
|
long val = simple_strtol(buf, NULL, 10); \
|
|
\
|
|
down(&data->update_lock); \
|
|
data->in_min[offset+7] = IN_TO_REG(val, data->in_vref); \
|
|
pc87360_write_value(data, LD_IN, offset+7, PC87365_REG_TEMP_MIN, \
|
|
data->in_min[offset+7]); \
|
|
up(&data->update_lock); \
|
|
return count; \
|
|
} \
|
|
static ssize_t set_temp##offset##_max(struct device *dev, struct device_attribute *attr, const char *buf, \
|
|
size_t count) \
|
|
{ \
|
|
struct i2c_client *client = to_i2c_client(dev); \
|
|
struct pc87360_data *data = i2c_get_clientdata(client); \
|
|
long val = simple_strtol(buf, NULL, 10); \
|
|
\
|
|
down(&data->update_lock); \
|
|
data->in_max[offset+7] = IN_TO_REG(val, data->in_vref); \
|
|
pc87360_write_value(data, LD_IN, offset+7, PC87365_REG_TEMP_MAX, \
|
|
data->in_max[offset+7]); \
|
|
up(&data->update_lock); \
|
|
return count; \
|
|
} \
|
|
static ssize_t set_temp##offset##_crit(struct device *dev, struct device_attribute *attr, const char *buf, \
|
|
size_t count) \
|
|
{ \
|
|
struct i2c_client *client = to_i2c_client(dev); \
|
|
struct pc87360_data *data = i2c_get_clientdata(client); \
|
|
long val = simple_strtol(buf, NULL, 10); \
|
|
\
|
|
down(&data->update_lock); \
|
|
data->in_crit[offset-4] = IN_TO_REG(val, data->in_vref); \
|
|
pc87360_write_value(data, LD_IN, offset+7, PC87365_REG_TEMP_CRIT, \
|
|
data->in_crit[offset-4]); \
|
|
up(&data->update_lock); \
|
|
return count; \
|
|
} \
|
|
static DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
|
|
show_temp##offset##_input, NULL); \
|
|
static DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \
|
|
show_temp##offset##_min, set_temp##offset##_min); \
|
|
static DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \
|
|
show_temp##offset##_max, set_temp##offset##_max); \
|
|
static DEVICE_ATTR(temp##offset##_crit, S_IWUSR | S_IRUGO, \
|
|
show_temp##offset##_crit, set_temp##offset##_crit); \
|
|
static DEVICE_ATTR(temp##offset##_status, S_IRUGO, \
|
|
show_temp##offset##_status, NULL);
|
|
show_and_set_therm(4)
|
|
show_and_set_therm(5)
|
|
show_and_set_therm(6)
|
|
|
|
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 = pc87360_update_device(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 i2c_client *client = to_i2c_client(dev);
|
|
struct pc87360_data *data = i2c_get_clientdata(client);
|
|
data->vrm = simple_strtoul(buf, NULL, 10);
|
|
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);
|
|
|
|
#define show_and_set_temp(offset) \
|
|
static ssize_t show_temp##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \
|
|
{ \
|
|
struct pc87360_data *data = pc87360_update_device(dev); \
|
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[offset-1])); \
|
|
} \
|
|
static ssize_t show_temp##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \
|
|
{ \
|
|
struct pc87360_data *data = pc87360_update_device(dev); \
|
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[offset-1])); \
|
|
} \
|
|
static ssize_t show_temp##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \
|
|
{ \
|
|
struct pc87360_data *data = pc87360_update_device(dev); \
|
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[offset-1])); \
|
|
}\
|
|
static ssize_t show_temp##offset##_crit(struct device *dev, struct device_attribute *attr, char *buf) \
|
|
{ \
|
|
struct pc87360_data *data = pc87360_update_device(dev); \
|
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[offset-1])); \
|
|
}\
|
|
static ssize_t show_temp##offset##_status(struct device *dev, struct device_attribute *attr, char *buf) \
|
|
{ \
|
|
struct pc87360_data *data = pc87360_update_device(dev); \
|
|
return sprintf(buf, "%d\n", data->temp_status[offset-1]); \
|
|
}\
|
|
static ssize_t set_temp##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \
|
|
size_t count) \
|
|
{ \
|
|
struct i2c_client *client = to_i2c_client(dev); \
|
|
struct pc87360_data *data = i2c_get_clientdata(client); \
|
|
long val = simple_strtol(buf, NULL, 10); \
|
|
\
|
|
down(&data->update_lock); \
|
|
data->temp_min[offset-1] = TEMP_TO_REG(val); \
|
|
pc87360_write_value(data, LD_TEMP, offset-1, PC87365_REG_TEMP_MIN, \
|
|
data->temp_min[offset-1]); \
|
|
up(&data->update_lock); \
|
|
return count; \
|
|
} \
|
|
static ssize_t set_temp##offset##_max(struct device *dev, struct device_attribute *attr, const char *buf, \
|
|
size_t count) \
|
|
{ \
|
|
struct i2c_client *client = to_i2c_client(dev); \
|
|
struct pc87360_data *data = i2c_get_clientdata(client); \
|
|
long val = simple_strtol(buf, NULL, 10); \
|
|
\
|
|
down(&data->update_lock); \
|
|
data->temp_max[offset-1] = TEMP_TO_REG(val); \
|
|
pc87360_write_value(data, LD_TEMP, offset-1, PC87365_REG_TEMP_MAX, \
|
|
data->temp_max[offset-1]); \
|
|
up(&data->update_lock); \
|
|
return count; \
|
|
} \
|
|
static ssize_t set_temp##offset##_crit(struct device *dev, struct device_attribute *attr, const char *buf, \
|
|
size_t count) \
|
|
{ \
|
|
struct i2c_client *client = to_i2c_client(dev); \
|
|
struct pc87360_data *data = i2c_get_clientdata(client); \
|
|
long val = simple_strtol(buf, NULL, 10); \
|
|
\
|
|
down(&data->update_lock); \
|
|
data->temp_crit[offset-1] = TEMP_TO_REG(val); \
|
|
pc87360_write_value(data, LD_TEMP, offset-1, PC87365_REG_TEMP_CRIT, \
|
|
data->temp_crit[offset-1]); \
|
|
up(&data->update_lock); \
|
|
return count; \
|
|
} \
|
|
static DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
|
|
show_temp##offset##_input, NULL); \
|
|
static DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \
|
|
show_temp##offset##_min, set_temp##offset##_min); \
|
|
static DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \
|
|
show_temp##offset##_max, set_temp##offset##_max); \
|
|
static DEVICE_ATTR(temp##offset##_crit, S_IWUSR | S_IRUGO, \
|
|
show_temp##offset##_crit, set_temp##offset##_crit); \
|
|
static DEVICE_ATTR(temp##offset##_status, S_IRUGO, \
|
|
show_temp##offset##_status, NULL);
|
|
show_and_set_temp(1)
|
|
show_and_set_temp(2)
|
|
show_and_set_temp(3)
|
|
|
|
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);
|
|
|
|
/*
|
|
* Device detection, registration and update
|
|
*/
|
|
|
|
static int pc87360_attach_adapter(struct i2c_adapter *adapter)
|
|
{
|
|
return i2c_detect(adapter, &addr_data, pc87360_detect);
|
|
}
|
|
|
|
static int pc87360_find(int sioaddr, u8 *devid, int *address)
|
|
{
|
|
u16 val;
|
|
int i;
|
|
int nrdev; /* logical device count */
|
|
|
|
/* No superio_enter */
|
|
|
|
/* Identify device */
|
|
val = 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)) {
|
|
printk(KERN_INFO "pc87360: Device 0x%02x not "
|
|
"activated\n", logdev[i]);
|
|
continue;
|
|
}
|
|
|
|
val = (superio_inb(sioaddr, BASE) << 8)
|
|
| superio_inb(sioaddr, BASE + 1);
|
|
if (!val) {
|
|
printk(KERN_INFO "pc87360: Base address not set for "
|
|
"device 0x%02x\n", logdev[i]);
|
|
continue;
|
|
}
|
|
|
|
address[i] = val;
|
|
|
|
if (i==0) { /* Fans */
|
|
confreg[0] = superio_inb(sioaddr, 0xF0);
|
|
confreg[1] = superio_inb(sioaddr, 0xF1);
|
|
|
|
#ifdef DEBUG
|
|
printk(KERN_DEBUG "pc87360: Fan 1: mon=%d "
|
|
"ctrl=%d inv=%d\n", (confreg[0]>>2)&1,
|
|
(confreg[0]>>3)&1, (confreg[0]>>4)&1);
|
|
printk(KERN_DEBUG "pc87360: Fan 2: mon=%d "
|
|
"ctrl=%d inv=%d\n", (confreg[0]>>5)&1,
|
|
(confreg[0]>>6)&1, (confreg[0]>>7)&1);
|
|
printk(KERN_DEBUG "pc87360: Fan 3: mon=%d "
|
|
"ctrl=%d inv=%d\n", confreg[1]&1,
|
|
(confreg[1]>>1)&1, (confreg[1]>>2)&1);
|
|
#endif
|
|
} 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) {
|
|
printk(KERN_INFO "pc87360: Using "
|
|
"thermistors for temperature "
|
|
"monitoring\n");
|
|
}
|
|
if (confreg[3] & 0xE0) {
|
|
printk(KERN_INFO "pc87360: VID "
|
|
"inputs routed (mode %u)\n",
|
|
confreg[3] >> 5);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
superio_exit(sioaddr);
|
|
return 0;
|
|
}
|
|
|
|
/* We don't really care about the address.
|
|
Read from extra_isa instead. */
|
|
int pc87360_detect(struct i2c_adapter *adapter, int address, int kind)
|
|
{
|
|
int i;
|
|
struct i2c_client *new_client;
|
|
struct pc87360_data *data;
|
|
int err = 0;
|
|
const char *name = "pc87360";
|
|
int use_thermistors = 0;
|
|
|
|
if (!i2c_is_isa_adapter(adapter))
|
|
return -ENODEV;
|
|
|
|
if (!(data = kmalloc(sizeof(struct pc87360_data), GFP_KERNEL)))
|
|
return -ENOMEM;
|
|
memset(data, 0x00, sizeof(struct pc87360_data));
|
|
|
|
new_client = &data->client;
|
|
i2c_set_clientdata(new_client, data);
|
|
new_client->addr = address;
|
|
init_MUTEX(&data->lock);
|
|
new_client->adapter = adapter;
|
|
new_client->driver = &pc87360_driver;
|
|
new_client->flags = 0;
|
|
|
|
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;
|
|
}
|
|
|
|
strcpy(new_client->name, name);
|
|
data->valid = 0;
|
|
init_MUTEX(&data->update_lock);
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
if (((data->address[i] = extra_isa[i]))
|
|
&& !request_region(extra_isa[i], PC87360_EXTENT,
|
|
pc87360_driver.name)) {
|
|
dev_err(&new_client->dev, "Region 0x%x-0x%x already "
|
|
"in use!\n", extra_isa[i],
|
|
extra_isa[i]+PC87360_EXTENT-1);
|
|
for (i--; i >= 0; i--)
|
|
release_region(extra_isa[i], PC87360_EXTENT);
|
|
err = -EBUSY;
|
|
goto ERROR1;
|
|
}
|
|
}
|
|
|
|
/* Retrieve the fans configuration from Super-I/O space */
|
|
if (data->fannr)
|
|
data->fan_conf = confreg[0] | (confreg[1] << 8);
|
|
|
|
if ((err = i2c_attach_client(new_client)))
|
|
goto ERROR2;
|
|
|
|
/* 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(&new_client->dev, "Using %s reference voltage\n",
|
|
(i&0x02) ? "external" : "internal");
|
|
|
|
data->vid_conf = confreg[3];
|
|
data->vrm = 90;
|
|
}
|
|
|
|
/* 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_client(new_client, use_thermistors);
|
|
}
|
|
|
|
/* Register sysfs hooks */
|
|
data->class_dev = hwmon_device_register(&new_client->dev);
|
|
if (IS_ERR(data->class_dev)) {
|
|
err = PTR_ERR(data->class_dev);
|
|
goto ERROR3;
|
|
}
|
|
|
|
if (data->innr) {
|
|
device_create_file(&new_client->dev, &dev_attr_in0_input);
|
|
device_create_file(&new_client->dev, &dev_attr_in1_input);
|
|
device_create_file(&new_client->dev, &dev_attr_in2_input);
|
|
device_create_file(&new_client->dev, &dev_attr_in3_input);
|
|
device_create_file(&new_client->dev, &dev_attr_in4_input);
|
|
device_create_file(&new_client->dev, &dev_attr_in5_input);
|
|
device_create_file(&new_client->dev, &dev_attr_in6_input);
|
|
device_create_file(&new_client->dev, &dev_attr_in7_input);
|
|
device_create_file(&new_client->dev, &dev_attr_in8_input);
|
|
device_create_file(&new_client->dev, &dev_attr_in9_input);
|
|
device_create_file(&new_client->dev, &dev_attr_in10_input);
|
|
device_create_file(&new_client->dev, &dev_attr_in0_min);
|
|
device_create_file(&new_client->dev, &dev_attr_in1_min);
|
|
device_create_file(&new_client->dev, &dev_attr_in2_min);
|
|
device_create_file(&new_client->dev, &dev_attr_in3_min);
|
|
device_create_file(&new_client->dev, &dev_attr_in4_min);
|
|
device_create_file(&new_client->dev, &dev_attr_in5_min);
|
|
device_create_file(&new_client->dev, &dev_attr_in6_min);
|
|
device_create_file(&new_client->dev, &dev_attr_in7_min);
|
|
device_create_file(&new_client->dev, &dev_attr_in8_min);
|
|
device_create_file(&new_client->dev, &dev_attr_in9_min);
|
|
device_create_file(&new_client->dev, &dev_attr_in10_min);
|
|
device_create_file(&new_client->dev, &dev_attr_in0_max);
|
|
device_create_file(&new_client->dev, &dev_attr_in1_max);
|
|
device_create_file(&new_client->dev, &dev_attr_in2_max);
|
|
device_create_file(&new_client->dev, &dev_attr_in3_max);
|
|
device_create_file(&new_client->dev, &dev_attr_in4_max);
|
|
device_create_file(&new_client->dev, &dev_attr_in5_max);
|
|
device_create_file(&new_client->dev, &dev_attr_in6_max);
|
|
device_create_file(&new_client->dev, &dev_attr_in7_max);
|
|
device_create_file(&new_client->dev, &dev_attr_in8_max);
|
|
device_create_file(&new_client->dev, &dev_attr_in9_max);
|
|
device_create_file(&new_client->dev, &dev_attr_in10_max);
|
|
device_create_file(&new_client->dev, &dev_attr_in0_status);
|
|
device_create_file(&new_client->dev, &dev_attr_in1_status);
|
|
device_create_file(&new_client->dev, &dev_attr_in2_status);
|
|
device_create_file(&new_client->dev, &dev_attr_in3_status);
|
|
device_create_file(&new_client->dev, &dev_attr_in4_status);
|
|
device_create_file(&new_client->dev, &dev_attr_in5_status);
|
|
device_create_file(&new_client->dev, &dev_attr_in6_status);
|
|
device_create_file(&new_client->dev, &dev_attr_in7_status);
|
|
device_create_file(&new_client->dev, &dev_attr_in8_status);
|
|
device_create_file(&new_client->dev, &dev_attr_in9_status);
|
|
device_create_file(&new_client->dev, &dev_attr_in10_status);
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_cpu0_vid);
|
|
device_create_file(&new_client->dev, &dev_attr_vrm);
|
|
device_create_file(&new_client->dev, &dev_attr_alarms_in);
|
|
}
|
|
|
|
if (data->tempnr) {
|
|
device_create_file(&new_client->dev, &dev_attr_temp1_input);
|
|
device_create_file(&new_client->dev, &dev_attr_temp2_input);
|
|
device_create_file(&new_client->dev, &dev_attr_temp1_min);
|
|
device_create_file(&new_client->dev, &dev_attr_temp2_min);
|
|
device_create_file(&new_client->dev, &dev_attr_temp1_max);
|
|
device_create_file(&new_client->dev, &dev_attr_temp2_max);
|
|
device_create_file(&new_client->dev, &dev_attr_temp1_crit);
|
|
device_create_file(&new_client->dev, &dev_attr_temp2_crit);
|
|
device_create_file(&new_client->dev, &dev_attr_temp1_status);
|
|
device_create_file(&new_client->dev, &dev_attr_temp2_status);
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_alarms_temp);
|
|
}
|
|
if (data->tempnr == 3) {
|
|
device_create_file(&new_client->dev, &dev_attr_temp3_input);
|
|
device_create_file(&new_client->dev, &dev_attr_temp3_min);
|
|
device_create_file(&new_client->dev, &dev_attr_temp3_max);
|
|
device_create_file(&new_client->dev, &dev_attr_temp3_crit);
|
|
device_create_file(&new_client->dev, &dev_attr_temp3_status);
|
|
}
|
|
if (data->innr == 14) {
|
|
device_create_file(&new_client->dev, &dev_attr_temp4_input);
|
|
device_create_file(&new_client->dev, &dev_attr_temp5_input);
|
|
device_create_file(&new_client->dev, &dev_attr_temp6_input);
|
|
device_create_file(&new_client->dev, &dev_attr_temp4_min);
|
|
device_create_file(&new_client->dev, &dev_attr_temp5_min);
|
|
device_create_file(&new_client->dev, &dev_attr_temp6_min);
|
|
device_create_file(&new_client->dev, &dev_attr_temp4_max);
|
|
device_create_file(&new_client->dev, &dev_attr_temp5_max);
|
|
device_create_file(&new_client->dev, &dev_attr_temp6_max);
|
|
device_create_file(&new_client->dev, &dev_attr_temp4_crit);
|
|
device_create_file(&new_client->dev, &dev_attr_temp5_crit);
|
|
device_create_file(&new_client->dev, &dev_attr_temp6_crit);
|
|
device_create_file(&new_client->dev, &dev_attr_temp4_status);
|
|
device_create_file(&new_client->dev, &dev_attr_temp5_status);
|
|
device_create_file(&new_client->dev, &dev_attr_temp6_status);
|
|
}
|
|
|
|
if (data->fannr) {
|
|
if (FAN_CONFIG_MONITOR(data->fan_conf, 0)) {
|
|
device_create_file(&new_client->dev,
|
|
&dev_attr_fan1_input);
|
|
device_create_file(&new_client->dev,
|
|
&dev_attr_fan1_min);
|
|
device_create_file(&new_client->dev,
|
|
&dev_attr_fan1_div);
|
|
device_create_file(&new_client->dev,
|
|
&dev_attr_fan1_status);
|
|
}
|
|
|
|
if (FAN_CONFIG_MONITOR(data->fan_conf, 1)) {
|
|
device_create_file(&new_client->dev,
|
|
&dev_attr_fan2_input);
|
|
device_create_file(&new_client->dev,
|
|
&dev_attr_fan2_min);
|
|
device_create_file(&new_client->dev,
|
|
&dev_attr_fan2_div);
|
|
device_create_file(&new_client->dev,
|
|
&dev_attr_fan2_status);
|
|
}
|
|
|
|
if (FAN_CONFIG_CONTROL(data->fan_conf, 0))
|
|
device_create_file(&new_client->dev, &dev_attr_pwm1);
|
|
if (FAN_CONFIG_CONTROL(data->fan_conf, 1))
|
|
device_create_file(&new_client->dev, &dev_attr_pwm2);
|
|
}
|
|
if (data->fannr == 3) {
|
|
if (FAN_CONFIG_MONITOR(data->fan_conf, 2)) {
|
|
device_create_file(&new_client->dev,
|
|
&dev_attr_fan3_input);
|
|
device_create_file(&new_client->dev,
|
|
&dev_attr_fan3_min);
|
|
device_create_file(&new_client->dev,
|
|
&dev_attr_fan3_div);
|
|
device_create_file(&new_client->dev,
|
|
&dev_attr_fan3_status);
|
|
}
|
|
|
|
if (FAN_CONFIG_CONTROL(data->fan_conf, 2))
|
|
device_create_file(&new_client->dev, &dev_attr_pwm3);
|
|
}
|
|
|
|
return 0;
|
|
|
|
ERROR3:
|
|
i2c_detach_client(new_client);
|
|
ERROR2:
|
|
for (i = 0; i < 3; i++) {
|
|
if (data->address[i]) {
|
|
release_region(data->address[i], PC87360_EXTENT);
|
|
}
|
|
}
|
|
ERROR1:
|
|
kfree(data);
|
|
return err;
|
|
}
|
|
|
|
static int pc87360_detach_client(struct i2c_client *client)
|
|
{
|
|
struct pc87360_data *data = i2c_get_clientdata(client);
|
|
int i;
|
|
|
|
hwmon_device_unregister(data->class_dev);
|
|
|
|
if ((i = i2c_detach_client(client))) {
|
|
dev_err(&client->dev, "Client deregistration failed, "
|
|
"client not detached.\n");
|
|
return i;
|
|
}
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
if (data->address[i]) {
|
|
release_region(data->address[i], PC87360_EXTENT);
|
|
}
|
|
}
|
|
kfree(data);
|
|
|
|
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;
|
|
|
|
down(&(data->lock));
|
|
if (bank != NO_BANK)
|
|
outb_p(bank, data->address[ldi] + PC87365_REG_BANK);
|
|
res = inb_p(data->address[ldi] + reg);
|
|
up(&(data->lock));
|
|
|
|
return res;
|
|
}
|
|
|
|
static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
|
|
u8 reg, u8 value)
|
|
{
|
|
down(&(data->lock));
|
|
if (bank != NO_BANK)
|
|
outb_p(bank, data->address[ldi] + PC87365_REG_BANK);
|
|
outb_p(value, data->address[ldi] + reg);
|
|
up(&(data->lock));
|
|
}
|
|
|
|
static void pc87360_init_client(struct i2c_client *client, int use_thermistors)
|
|
{
|
|
struct pc87360_data *data = i2c_get_clientdata(client);
|
|
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(&client->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++) {
|
|
if (init >= init_in[i]) {
|
|
/* Forcibly enable voltage channel */
|
|
reg = pc87360_read_value(data, LD_IN, i,
|
|
PC87365_REG_IN_STATUS);
|
|
if (!(reg & 0x01)) {
|
|
dev_dbg(&client->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 */
|
|
for (i=11; i<data->innr; i++) {
|
|
reg = pc87360_read_value(data, LD_IN, i,
|
|
PC87365_REG_TEMP_STATUS);
|
|
use_thermistors = use_thermistors || (reg & 0x01);
|
|
}
|
|
|
|
i = use_thermistors ? 2 : 0;
|
|
for (; i<data->tempnr; i++) {
|
|
if (init >= init_temp[i]) {
|
|
/* Forcibly enable temperature channel */
|
|
reg = pc87360_read_value(data, LD_TEMP, i,
|
|
PC87365_REG_TEMP_STATUS);
|
|
if (!(reg & 0x01)) {
|
|
dev_dbg(&client->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 & 0x01) {
|
|
dev_dbg(&client->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 & 0x01)) {
|
|
dev_dbg(&client->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);
|
|
if (reg & 0x01) {
|
|
dev_dbg(&client->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);
|
|
if (reg & 0x01) {
|
|
dev_dbg(&client->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 i2c_client *client, int nr)
|
|
{
|
|
struct pc87360_data *data = i2c_get_clientdata(client);
|
|
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(&client->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(&client->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 i2c_client *client = to_i2c_client(dev);
|
|
struct pc87360_data *data = i2c_get_clientdata(client);
|
|
u8 i;
|
|
|
|
down(&data->update_lock);
|
|
|
|
if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
|
|
dev_dbg(&client->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(client, 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] & 0x81) == 0x81) {
|
|
data->in[i] = pc87360_read_value(data, LD_IN,
|
|
i, PC87365_REG_IN);
|
|
}
|
|
if (data->in_status[i] & 0x01) {
|
|
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] & 0x81) == 0x81) {
|
|
data->temp[i] = pc87360_read_value(data,
|
|
LD_TEMP, i,
|
|
PC87365_REG_TEMP);
|
|
}
|
|
if (data->temp_status[i] & 0x01) {
|
|
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;
|
|
}
|
|
|
|
up(&data->update_lock);
|
|
|
|
return data;
|
|
}
|
|
|
|
static int __init pc87360_init(void)
|
|
{
|
|
int i;
|
|
|
|
if (pc87360_find(0x2e, &devid, extra_isa)
|
|
&& pc87360_find(0x4e, &devid, extra_isa)) {
|
|
printk(KERN_WARNING "pc87360: 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) {
|
|
normal_isa[0] = extra_isa[i];
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (normal_isa[0] == 0x0000) {
|
|
printk(KERN_WARNING "pc87360: No active logical device, "
|
|
"module not inserted.\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
return i2c_add_driver(&pc87360_driver);
|
|
}
|
|
|
|
static void __exit pc87360_exit(void)
|
|
{
|
|
i2c_del_driver(&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);
|