Files
lm-sensors/kernel/chips/pc87360.c
T
2004-05-24 21:13:39 +00:00

1282 lines
39 KiB
C

/*
* pc87360.c - Part of lm_sensors, Linux kernel modules
* for hardware monitoring
* Copyright (C) 2004 Jean Delvare <khali@linux-fr.org>
*
* Copied from smsc47m1.c:
* Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Supports the following chips:
*
* Chip #vin #fan #pwm #temp devid
* PC87360 - 2 2 - 0xE1
* PC87363 - 2 2 - 0xE8
* PC87364 - 3 3 - 0xE4
* PC87365 11 3 3 2 0xE5
* PC87366 11 3 3 3-4 0xE9
*
* This driver assumes that no more than one chip is present, and the
* standard Super-I/O address is used (0x2E/0x2F).
*/
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/ioport.h>
#include <linux/i2c.h>
#include <linux/i2c-proc.h>
#include <linux/init.h>
#include <asm/io.h>
#include "version.h"
static unsigned short normal_i2c[] = { SENSORS_I2C_END };
static unsigned short normal_i2c_range[] = { SENSORS_I2C_END };
static unsigned int normal_isa[] = { 0x0000, SENSORS_ISA_END };
static unsigned int normal_isa_range[] = { SENSORS_ISA_END };
static struct i2c_force_data forces[] = {{NULL}};
static u8 devid;
static unsigned int extra_isa[] = { 0x0000, 0x0000, 0x0000 };
static u8 confreg[3];
enum chips { any_chip, pc87360, pc87363, pc87364, pc87365, pc87366 };
static struct i2c_address_data addr_data = {
.normal_i2c = normal_i2c,
.normal_i2c_range = normal_i2c_range,
.normal_isa = normal_isa,
.normal_isa_range = normal_isa_range,
.probe = normal_i2c, /* cheat */
.probe_range = normal_i2c_range, /* cheat */
.ignore = normal_i2c, /* cheat */
.ignore_range = normal_i2c_range, /* cheat */
.forces = forces,
};
static int init = 1;
MODULE_PARM(init, "i");
MODULE_PARM_DESC(init,
"Chip initialization level:\n"
" 0: None\n"
"*1: Forcibly enable internal voltage and temperature channels, except in9\n"
" 2: Forcibly enable all voltage and temperature channels, except in9\n"
" 3: Forcibly enable all voltage and temperature channels, including in9");
/*
* Super-I/O registers and operations
*/
#define REG 0x2e /* The register to read/write */
#define VAL 0x2f /* The value to read/write */
#define DEV 0x07 /* Register: Logical device select */
#define DEVID 0x20 /* Register: Device ID */
#define ACT 0x30 /* Register: Device activation */
#define BASE 0x60 /* Register: Base address */
#define FSCM 0x09 /* Logical device: fans */
#define VLM 0x0d /* Logical device: voltages */
#define TMS 0x0e /* Logical device: temperatures */
static const u8 logdev[3] = { FSCM, VLM, TMS };
#define LD_FAN 0
#define LD_IN 1
#define LD_TEMP 2
static inline void superio_outb(int reg, int val)
{
outb(reg, REG);
outb(val, VAL);
}
static inline int superio_inb(int reg)
{
outb(reg, REG);
return inb(VAL);
}
static inline void superio_exit(void)
{
outb(0x02, REG);
outb(0x02, VAL);
}
/*
* Logical devices
*/
#define PC87360_EXTENT 0x10
#define PC87365_REG_BANK 0x09
#define NO_BANK 0xff
/*
* Fan registers and conversions
*/
/* nr has to be 0 or 1 (PC87360/87363) or 2 (PC87364/87365/87366) */
#define PC87360_REG_PRESCALE(nr) (0x00 + 2 * (nr))
#define PC87360_REG_PWM(nr) (0x01 + 2 * (nr))
#define PC87360_REG_FAN_MIN(nr) (0x06 + 3 * (nr))
#define PC87360_REG_FAN(nr) (0x07 + 3 * (nr))
#define PC87360_REG_FAN_STATUS(nr) (0x08 + 3 * (nr))
#define FAN_FROM_REG(val,div) ((val)==0?0: \
480000/((val)*(div)))
#define FAN_TO_REG(val,div) ((val)<=100?0: \
480000/((val)*(div)))
#define FAN_DIV_FROM_REG(val) (1 << ((val >> 5) & 0x03))
#define FAN_DIV_TO_REG(val) ((val)==8?0x60:(val)==4?0x40: \
(val)==1?0x00:0x20)
#define FAN_STATUS_FROM_REG(val) ((val) & 0x07)
#define FAN_CONFIG_MONITOR(val,nr) (((val) >> (2 + nr * 3)) & 1)
#define FAN_CONFIG_CONTROL(val,nr) (((val) >> (3 + nr * 3)) & 1)
#define FAN_CONFIG_INVERT(val,nr) (((val) >> (4 + nr * 3)) & 1)
#define PWM_FROM_REG(val,inv) ((inv) ? 255 - (val) : (val))
static inline u8 PWM_TO_REG(int val, int inv)
{
if (inv)
val = 255 - val;
if (val < 0)
return 0;
if (val > 255)
return 255;
return val;
}
/*
* Voltage registers and conversions
*/
#define PC87365_REG_IN_CONVRATE 0x07
#define PC87365_REG_IN_CONFIG 0x08
#define PC87365_REG_IN 0x0B
#define PC87365_REG_IN_MIN 0x0D
#define PC87365_REG_IN_MAX 0x0C
#define PC87365_REG_IN_STATUS 0x0A
#define PC87365_REG_IN_ALARMS1 0x00
#define PC87365_REG_IN_ALARMS2 0x01
#define IN_FROM_REG(val,ref) (((val) * (ref) + 128) / 256)
#define IN_TO_REG(val,ref) ((val)<0 ? 0 : \
(val)*256>=(ref)*255 ? 255: \
((val) * 256 + (ref) / 2) / (ref))
/*
* Temperature registers and conversions
*/
#define PC87365_REG_TEMP_CONFIG 0x08
#define PC87365_REG_TEMP 0x0B
#define PC87365_REG_TEMP_MIN 0x0D
#define PC87365_REG_TEMP_MAX 0x0C
#define PC87365_REG_TEMP_CRIT 0x0E
#define PC87365_REG_TEMP_STATUS 0x0A
#define PC87365_REG_TEMP_ALARMS 0x00
#define TEMP_FROM_REG(val) ((val)&0x80 ? (val) - 0x100 : (val))
#define TEMP_TO_REG(val) ((val)<-55 ? 201 : (val)>127 ? 0x7F : \
(val)<0 ? (val) + 0x100 : (val))
struct pc87360_data {
struct i2c_client client;
struct semaphore lock;
int sysctl_id;
int address[3];
struct semaphore update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
u8 fannr, innr, tempnr;
u8 fan[3]; /* Register value */
u8 fan_min[3]; /* Register value */
u8 fan_status[3]; /* Register value */
u8 pwm[3]; /* Register value */
u16 fan_conf; /* Configuration register values, combined */
u16 in_vref; /* 10mV/bit */
u8 in[14]; /* Register value */
u8 in_min[14]; /* Register value */
u8 in_max[14]; /* Register value */
u8 in_crit[3]; /* Register value */
u8 in_status[14]; /* Register value */
u16 in_alarms; /* Register values, combined, masked */
u8 temp[3]; /* Register value */
u8 temp_min[3]; /* Register value */
u8 temp_max[3]; /* Register value */
u8 temp_crit[3]; /* Register value */
u8 temp_status[3]; /* Register value */
u8 temp_alarms; /* Register value, masked */
};
static int pc87360_attach_adapter(struct i2c_adapter *adapter);
static int pc87360_detect(struct i2c_adapter *adapter, int address,
unsigned short flags, int kind);
static int pc87360_detach_client(struct i2c_client *client);
static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
u8 reg);
static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
u8 reg, u8 value);
static void pc87360_init_client(struct i2c_client *client, int use_thermistors);
static void pc87360_update_client(struct i2c_client *client);
static int pc87360_find(u8 *devid, int *address);
void pc87365_alarms(struct i2c_client *client, int operation, int ctl_name,
int *nrels_mag, long *results);
static void pc87360_fan(struct i2c_client *client, int operation,
int ctl_name, int *nrels_mag, long *results);
static void pc87360_fan_status(struct i2c_client *client, int operation,
int ctl_name, int *nrels_mag, long *results);
static void pc87360_fan_div(struct i2c_client *client, int operation,
int ctl_name, int *nrels_mag, long *results);
static void pc87360_pwm(struct i2c_client *client, int operation,
int ctl_name, int *nrels_mag, long *results);
void pc87365_in(struct i2c_client *client, int operation, int ctl_name,
int *nrels_mag, long *results);
void pc87365_in_status(struct i2c_client *client, int operation, int ctl_name,
int *nrels_mag, long *results);
void pc87365_temp(struct i2c_client *client, int operation, int ctl_name,
int *nrels_mag, long *results);
void pc87365_temp_status(struct i2c_client *client, int operation, int ctl_name,
int *nrels_mag, long *results);
static int pc87360_id = 0;
static struct i2c_driver pc87360_driver = {
.owner = THIS_MODULE,
.name = "PC8736x hardware monitor",
.flags = I2C_DF_NOTIFY,
.attach_adapter = pc87360_attach_adapter,
.detach_client = pc87360_detach_client,
};
/* -- SENSORS SYSCTL START -- */
#define PC87365_SYSCTL_ALARMS 100 /* bit field */
#define PC87360_SYSCTL_FAN1 1101 /* Rotations/min */
#define PC87360_SYSCTL_FAN2 1102
#define PC87360_SYSCTL_FAN3 1103 /* not for PC87360/PC87363 */
#define PC87360_SYSCTL_FAN_DIV 1201 /* 1, 2, 4 or 8 */
#define PC87360_SYSCTL_FAN1_STATUS 1301 /* bit field */
#define PC87360_SYSCTL_FAN2_STATUS 1302
#define PC87360_SYSCTL_FAN3_STATUS 1303 /* not for PC87360/PC87363 */
#define PC87360_SYSCTL_PWM1 1401 /* 0-255 */
#define PC87360_SYSCTL_PWM2 1402
#define PC87360_SYSCTL_PWM3 1403 /* not for PC87360/PC87363 */
#define PC87360_STATUS_FAN_READY 0x01
#define PC87360_STATUS_FAN_LOW 0x02
#define PC87360_STATUS_FAN_OVERFLOW 0x04
#define PC87365_SYSCTL_IN0 2100 /* mV */
#define PC87365_SYSCTL_IN1 2101
#define PC87365_SYSCTL_IN2 2102
#define PC87365_SYSCTL_IN3 2103
#define PC87365_SYSCTL_IN4 2104
#define PC87365_SYSCTL_IN5 2105
#define PC87365_SYSCTL_IN6 2106
#define PC87365_SYSCTL_IN7 2107
#define PC87365_SYSCTL_IN8 2108
#define PC87365_SYSCTL_IN9 2109
#define PC87365_SYSCTL_IN10 2110
#define PC87365_SYSCTL_TEMP4 2111 /* not for PC87365 */
#define PC87365_SYSCTL_TEMP5 2112 /* not for PC87365 */
#define PC87365_SYSCTL_TEMP6 2113 /* not for PC87365 */
#define PC87365_SYSCTL_IN0_STATUS 2300 /* bit field */
#define PC87365_SYSCTL_IN1_STATUS 2301
#define PC87365_SYSCTL_IN2_STATUS 2302
#define PC87365_SYSCTL_IN3_STATUS 2303
#define PC87365_SYSCTL_IN4_STATUS 2304
#define PC87365_SYSCTL_IN5_STATUS 2305
#define PC87365_SYSCTL_IN6_STATUS 2306
#define PC87365_SYSCTL_IN7_STATUS 2307
#define PC87365_SYSCTL_IN8_STATUS 2308
#define PC87365_SYSCTL_IN9_STATUS 2309
#define PC87365_SYSCTL_IN10_STATUS 2310
#define PC87365_SYSCTL_TEMP4_STATUS 2311 /* not for PC87365 */
#define PC87365_SYSCTL_TEMP5_STATUS 2312 /* not for PC87365 */
#define PC87365_SYSCTL_TEMP6_STATUS 2313 /* not for PC87365 */
#define PC87365_STATUS_IN_MIN 0x02
#define PC87365_STATUS_IN_MAX 0x04
#define PC87365_SYSCTL_TEMP1 3101 /* degrees Celcius */
#define PC87365_SYSCTL_TEMP2 3102
#define PC87365_SYSCTL_TEMP3 3103 /* not for PC87365 */
#define PC87365_SYSCTL_TEMP1_STATUS 3301 /* bit field */
#define PC87365_SYSCTL_TEMP2_STATUS 3302
#define PC87365_SYSCTL_TEMP3_STATUS 3303 /* not for PC87365 */
#define PC87365_STATUS_TEMP_MIN 0x02
#define PC87365_STATUS_TEMP_MAX 0x04
#define PC87365_STATUS_TEMP_CRIT 0x08
#define PC87365_STATUS_TEMP_OPEN 0x40
/* -- SENSORS SYSCTL END -- */
static ctl_table pc87360_dir_table_template[] = { /* PC87363 and PC87364 too */
{PC87360_SYSCTL_FAN1, "fan1", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87360_fan},
{PC87360_SYSCTL_FAN2, "fan2", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87360_fan},
{PC87360_SYSCTL_FAN3, "fan3", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87360_fan},
{PC87360_SYSCTL_FAN_DIV, "fan_div", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87360_fan_div},
{PC87360_SYSCTL_FAN1_STATUS, "fan1_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87360_fan_status},
{PC87360_SYSCTL_FAN2_STATUS, "fan2_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87360_fan_status},
{PC87360_SYSCTL_FAN3_STATUS, "fan3_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87360_fan_status},
{PC87360_SYSCTL_PWM1, "pwm1", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87360_pwm},
{PC87360_SYSCTL_PWM2, "pwm2", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87360_pwm},
{PC87360_SYSCTL_PWM3, "pwm3", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87360_pwm},
{0}
};
static ctl_table pc87365_dir_table_template[] = { /* PC87366 too */
{PC87365_SYSCTL_ALARMS, "alarms", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_alarms},
{PC87360_SYSCTL_FAN1, "fan1", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87360_fan},
{PC87360_SYSCTL_FAN2, "fan2", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87360_fan},
{PC87360_SYSCTL_FAN3, "fan3", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87360_fan},
{PC87360_SYSCTL_FAN_DIV, "fan_div", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87360_fan_div},
{PC87360_SYSCTL_FAN1_STATUS, "fan1_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87360_fan_status},
{PC87360_SYSCTL_FAN2_STATUS, "fan2_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87360_fan_status},
{PC87360_SYSCTL_FAN3_STATUS, "fan3_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87360_fan_status},
{PC87360_SYSCTL_PWM1, "pwm1", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87360_pwm},
{PC87360_SYSCTL_PWM2, "pwm2", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87360_pwm},
{PC87360_SYSCTL_PWM3, "pwm3", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87360_pwm},
{PC87365_SYSCTL_IN0, "in0", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in},
{PC87365_SYSCTL_IN1, "in1", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in},
{PC87365_SYSCTL_IN2, "in2", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in},
{PC87365_SYSCTL_IN3, "in3", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in},
{PC87365_SYSCTL_IN4, "in4", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in},
{PC87365_SYSCTL_IN5, "in5", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in},
{PC87365_SYSCTL_IN6, "in6", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in},
{PC87365_SYSCTL_IN7, "in7", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in},
{PC87365_SYSCTL_IN8, "in8", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in},
{PC87365_SYSCTL_IN9, "in9", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in},
{PC87365_SYSCTL_IN10, "in10", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in},
{PC87365_SYSCTL_IN0_STATUS, "in0_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in_status},
{PC87365_SYSCTL_IN1_STATUS, "in1_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in_status},
{PC87365_SYSCTL_IN2_STATUS, "in2_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in_status},
{PC87365_SYSCTL_IN3_STATUS, "in3_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in_status},
{PC87365_SYSCTL_IN4_STATUS, "in4_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in_status},
{PC87365_SYSCTL_IN5_STATUS, "in5_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in_status},
{PC87365_SYSCTL_IN6_STATUS, "in6_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in_status},
{PC87365_SYSCTL_IN7_STATUS, "in7_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in_status},
{PC87365_SYSCTL_IN8_STATUS, "in8_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in_status},
{PC87365_SYSCTL_IN9_STATUS, "in9_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in_status},
{PC87365_SYSCTL_IN10_STATUS, "in10_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in_status},
{PC87365_SYSCTL_TEMP1, "temp1", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_temp},
{PC87365_SYSCTL_TEMP2, "temp2", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_temp},
{PC87365_SYSCTL_TEMP3, "temp3", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_temp},
{PC87365_SYSCTL_TEMP4, "temp4", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in},
{PC87365_SYSCTL_TEMP5, "temp5", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in},
{PC87365_SYSCTL_TEMP6, "temp6", NULL, 0, 0644, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in},
{PC87365_SYSCTL_TEMP1_STATUS, "temp1_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_temp_status},
{PC87365_SYSCTL_TEMP2_STATUS, "temp2_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_temp_status},
{PC87365_SYSCTL_TEMP3_STATUS, "temp3_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_temp_status},
{PC87365_SYSCTL_TEMP4_STATUS, "temp4_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in_status},
{PC87365_SYSCTL_TEMP5_STATUS, "temp5_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in_status},
{PC87365_SYSCTL_TEMP6_STATUS, "temp6_status", NULL, 0, 0444, NULL,
&i2c_proc_real, &i2c_sysctl_real, NULL, &pc87365_in_status},
{0}
};
static int pc87360_attach_adapter(struct i2c_adapter *adapter)
{
return i2c_detect(adapter, &addr_data, pc87360_detect);
}
static int pc87360_find(u8 *devid, int *address)
{
u16 val;
int i;
int nrdev; /* logical device count */
/* No superio_enter */
/* Identify device */
val = superio_inb(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();
return -ENODEV;
}
/* Remember the device id */
*devid = val;
for (i = 0; i < nrdev; i++) {
/* select logical device */
superio_outb(DEV, logdev[i]);
val = superio_inb(ACT);
if (!(val & 0x01)) {
printk(KERN_INFO "pc87360.o: device 0x%02x not "
"activated\n", logdev[i]);
continue;
}
val = (superio_inb(BASE) << 8)
| superio_inb(BASE + 1);
if (!val) {
printk(KERN_INFO "pc87360.o: base address not set for "
"device 0x%02x\n", logdev[i]);
continue;
}
address[i] = val;
if (i==0) { /* Fans */
confreg[0] = superio_inb(0xF0);
confreg[1] = superio_inb(0xF1);
#ifdef DEBUG
printk(KERN_DEBUG "pc87360.o: 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.o: 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.o: 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 */
/* This register is not logical-device
specific, just that we won't need it if we
don't use the VLM device */
confreg[2] = superio_inb(0x2B);
if (confreg[2] & 0x40) {
printk(KERN_INFO "pc87360.o: Using "
"thermistors for temperature "
"monitoring\n");
}
}
}
}
superio_exit();
return 0;
}
/* We don't really care about the address.
Read from extra_isa instead. */
int pc87360_detect(struct i2c_adapter *adapter, int address,
unsigned short flags, int kind)
{
int i;
struct i2c_client *new_client;
struct pc87360_data *data;
int err = 0;
const char *type_name = "pc87360";
const char *client_name = "PC8736x chip";
ctl_table *template = pc87360_dir_table_template;
int use_thermistors = 0;
if (!i2c_is_isa_adapter(adapter)) {
return 0;
}
for (i = 0; i < 3; i++) {
if (extra_isa[i]
&& check_region(extra_isa[i], PC87360_EXTENT)) {
printk(KERN_ERR "pc87360.o: region 0x%x already in "
"use!\n", address);
return -ENODEV;
}
}
if (!(data = kmalloc(sizeof(struct pc87360_data), GFP_KERNEL))) {
return -ENOMEM;
}
memset(data, 0x00, sizeof(struct pc87360_data));
new_client = &data->client;
new_client->addr = address;
init_MUTEX(&data->lock);
new_client->data = data;
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:
type_name = "pc87363";
break;
case 0xe4:
type_name = "pc87364";
data->fannr = 3;
break;
case 0xe5:
type_name = "pc87365";
template = pc87365_dir_table_template;
data->fannr = extra_isa[0] ? 3 : 0;
data->innr = extra_isa[1] ? 11 : 0;
data->tempnr = extra_isa[2] ? 2 : 0;
break;
case 0xe9:
type_name = "pc87366";
template = pc87365_dir_table_template;
data->fannr = extra_isa[0] ? 3 : 0;
data->innr = extra_isa[1] ? 14 : 0;
data->tempnr = extra_isa[2] ? 3 : 0;
break;
}
/* Retrieve the fans configuration from Super-I/O space */
if (data->fannr)
data->fan_conf = confreg[0] | (confreg[1] << 8);
for (i = 0; i < 3; i++) {
if ((data->address[i] = extra_isa[i])) {
request_region(extra_isa[i], PC87360_EXTENT, "pc87360");
}
}
strcpy(new_client->name, client_name);
new_client->id = pc87360_id++;
data->valid = 0;
init_MUTEX(&data->update_lock);
if ((err = i2c_attach_client(new_client)))
goto ERROR1;
/* 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) ? 303 : 297;
#ifdef DEBUG
printk(KERN_DEBUG "Using %s reference voltage\n",
(i&0x02) ? "external" : "internal");
#endif
}
/* Fan clock dividers may be needed before any data is read */
for (i = 0; i < data->fannr; 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);
}
if ((i = i2c_register_entry((struct i2c_client *) new_client,
type_name, template)) < 0) {
err = i;
goto ERROR2;
}
data->sysctl_id = i;
return 0;
ERROR2:
i2c_detach_client(new_client);
ERROR1:
for (i = 0; i < 3; i++) {
if (data->address[i]) {
release_region(data->address[i], PC87360_EXTENT);
}
}
kfree(data);
return err;
}
static int pc87360_detach_client(struct i2c_client *client)
{
struct pc87360_data *data = client->data;
int i, err;
i2c_deregister_entry(data->sysctl_id);
if ((err = i2c_detach_client(client))) {
printk(KERN_ERR "pc87360.o: Client deregistration failed, "
"client not detached.\n");
return err;
}
for (i = 0; i < 3; i++) {
if (data->address[i]) {
release_region(data->address[i], PC87360_EXTENT);
}
}
kfree(client->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 = client->data;
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 >= 3 && data->innr) {
reg = pc87360_read_value(data, LD_IN, NO_BANK,
PC87365_REG_IN_CONVRATE);
if (reg & 0x06) {
#ifdef DEBUG
printk(KERN_DEBUG "pc87360.o: Setting "
"VLM conversion period to 1 second\n");
#endif
pc87360_write_value(data, LD_IN, NO_BANK,
PC87365_REG_IN_CONVRATE,
(reg & 0xF8) | 0x01);
}
}
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)) {
#ifdef DEBUG
printk(KERN_DEBUG "pc87360.o: Forcibly "
"enabling in%d\n", i);
#endif
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)) {
#ifdef DEBUG
printk(KERN_DEBUG "pc87360.o: Forcibly "
"enabling temp%d\n", i+1);
#endif
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)
continue;
/* Forcibly enable thermistor channel */
reg = pc87360_read_value(data, LD_IN, i,
PC87365_REG_IN_STATUS);
if (!(reg & 0x01)) {
#ifdef DEBUG
printk(KERN_DEBUG "pc87360.o: Forcibly "
"enabling temp%d\n", i-7);
#endif
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) {
#ifdef DEBUG
printk(KERN_DEBUG "pc87360.o: Forcibly "
"enabling monitoring (VLM)\n");
#endif
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) {
#ifdef DEBUG
printk(KERN_DEBUG "pc87360.o: Forcibly "
"enabling monitoring (TMS)\n");
#endif
pc87360_write_value(data, LD_TEMP, NO_BANK,
PC87365_REG_TEMP_CONFIG,
reg & 0xFE);
}
}
}
static void pc87360_autodiv(struct pc87360_data *data, int nr)
{
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;
#ifdef DEBUG
printk(KERN_DEBUG "pc87360.o: Increasing "
"clock divider to %d for fan %d\n",
FAN_DIV_FROM_REG(data->fan_status[nr]),
nr+1);
#endif
}
} else {
/* Decrease clock divider if possible */
while (!(data->fan_min[nr] & 0x80) /* fan 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;
#ifdef DEBUG
printk(KERN_DEBUG "pc87360.o: Decreasing "
"clock divider to %d for fan %d\n",
FAN_DIV_FROM_REG(data->fan_status[nr]),
nr+1);
#endif
}
}
/* 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 void pc87360_update_client(struct i2c_client *client)
{
struct pc87360_data *data = client->data;
u8 i;
down(&data->update_lock);
if ((jiffies - data->last_updated > HZ * 2) ||
(jiffies < data->last_updated) || !data->valid) {
#ifdef DEBUG
printk(KERN_DEBUG "pc87360.o: Data update\n");
#endif
/* 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(data, i);
/* Clear bits and write new divider */
pc87360_write_value(data, LD_FAN, NO_BANK,
PC87360_REG_FAN_STATUS(i),
data->fan_status[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);
}
/* 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);
}
void pc87365_alarms(struct i2c_client *client, int operation, int ctl_name,
int *nrels_mag, long *results)
{
struct pc87360_data *data = client->data;
if (operation == SENSORS_PROC_REAL_INFO)
*nrels_mag = 0;
else if (operation == SENSORS_PROC_REAL_READ) {
pc87360_update_client(client);
results[0] = data->in_alarms;
results[1] = data->temp_alarms;
*nrels_mag = 2;
}
}
void pc87360_fan(struct i2c_client *client, int operation, int ctl_name,
int *nrels_mag, long *results)
{
struct pc87360_data *data = client->data;
int nr = ctl_name - PC87360_SYSCTL_FAN1;
if (operation == SENSORS_PROC_REAL_INFO)
*nrels_mag = 0;
else if (operation == SENSORS_PROC_REAL_READ) {
pc87360_update_client(client);
results[0] = FAN_FROM_REG(data->fan_min[nr],
FAN_DIV_FROM_REG(data->fan_status[nr]));
results[1] = FAN_FROM_REG(data->fan[nr],
FAN_DIV_FROM_REG(data->fan_status[nr]));
*nrels_mag = 2;
}
/* We ignore National's recommendation */
else if (operation == SENSORS_PROC_REAL_WRITE) {
if (nr >= data->fannr)
return;
if (*nrels_mag >= 1) {
int fan_min = FAN_TO_REG(results[0],
FAN_DIV_FROM_REG(data->fan_status[nr]));
/* If it wouldn't fit, change clock divisor */
while (fan_min > 255
&& (data->fan_status[nr] & 0x60) != 0x60) {
fan_min >>= 1;
data->fan[nr] >>= 1;
data->fan_status[nr] += 0x20;
}
data->fan_min[nr] = fan_min > 255 ? 255 : fan_min;
pc87360_write_value(data, LD_FAN, NO_BANK,
PC87360_REG_FAN_MIN(nr),
data->fan_min[nr]);
/* Write new divider, preserve alarm bits */
pc87360_write_value(data, LD_FAN, NO_BANK,
PC87360_REG_FAN_STATUS(nr),
data->fan_status[nr] & 0xF9);
}
}
}
void pc87360_fan_div(struct i2c_client *client, int operation,
int ctl_name, int *nrels_mag, long *results)
{
struct pc87360_data *data = client->data;
int i;
if (operation == SENSORS_PROC_REAL_INFO)
*nrels_mag = 0;
else if (operation == SENSORS_PROC_REAL_READ) {
pc87360_update_client(client);
for (i = 0; i < data->fannr; i++) {
results[i] = FAN_DIV_FROM_REG(data->fan_status[i]);
}
*nrels_mag = data->fannr;
}
}
void pc87360_pwm(struct i2c_client *client, int operation, int ctl_name,
int *nrels_mag, long *results)
{
struct pc87360_data *data = client->data;
int nr = ctl_name - PC87360_SYSCTL_PWM1;
if (operation == SENSORS_PROC_REAL_INFO)
*nrels_mag = 0;
else if (operation == SENSORS_PROC_REAL_READ) {
pc87360_update_client(client);
results[0] = PWM_FROM_REG(data->pwm[nr],
FAN_CONFIG_INVERT(data->fan_conf, nr));
results[1] = FAN_CONFIG_CONTROL(data->fan_conf, nr);
*nrels_mag = 2;
}
else if (operation == SENSORS_PROC_REAL_WRITE) {
if (nr >= data->fannr)
return;
if (*nrels_mag >= 1) {
data->pwm[nr] = PWM_TO_REG(results[0],
FAN_CONFIG_INVERT(data->fan_conf, nr));
pc87360_write_value(data, LD_FAN, NO_BANK,
PC87360_REG_PWM(nr),
data->pwm[nr]);
}
}
}
void pc87360_fan_status(struct i2c_client *client, int operation, int ctl_name,
int *nrels_mag, long *results)
{
struct pc87360_data *data = client->data;
int nr = ctl_name - PC87360_SYSCTL_FAN1_STATUS;
if (operation == SENSORS_PROC_REAL_INFO)
*nrels_mag = 0;
else if (operation == SENSORS_PROC_REAL_READ) {
pc87360_update_client(client);
results[0] = FAN_STATUS_FROM_REG(data->fan_status[nr]);
*nrels_mag = 1;
}
}
void pc87365_in(struct i2c_client *client, int operation, int ctl_name,
int *nrels_mag, long *results)
{
struct pc87360_data *data = client->data;
int nr = ctl_name - PC87365_SYSCTL_IN0;
if (operation == SENSORS_PROC_REAL_INFO)
*nrels_mag = 2;
else if (operation == SENSORS_PROC_REAL_READ) {
pc87360_update_client(client);
results[0] = IN_FROM_REG(data->in_min[nr], data->in_vref);
results[1] = IN_FROM_REG(data->in_max[nr], data->in_vref);
if (nr < 11) {
*nrels_mag = 3;
} else {
results[2] = IN_FROM_REG(data->in_crit[nr-11],
data->in_vref);
*nrels_mag = 4;
}
results[(*nrels_mag)-1] = IN_FROM_REG(data->in[nr],
data->in_vref);
}
else if (operation == SENSORS_PROC_REAL_WRITE) {
if (*nrels_mag >= 1) {
data->in_min[nr] = IN_TO_REG(results[0],
data->in_vref);
pc87360_write_value(data, LD_IN, nr,
PC87365_REG_IN_MIN,
data->in_min[nr]);
}
if (*nrels_mag >= 2) {
data->in_max[nr] = IN_TO_REG(results[1],
data->in_vref);
pc87360_write_value(data, LD_IN, nr,
PC87365_REG_IN_MAX,
data->in_max[nr]);
}
if (*nrels_mag >= 3 && nr >= 11) {
data->in_crit[nr-11] = IN_TO_REG(results[2],
data->in_vref);
pc87360_write_value(data, LD_IN, nr,
PC87365_REG_TEMP_CRIT,
data->in_crit[nr-11]);
}
}
}
void pc87365_in_status(struct i2c_client *client, int operation, int ctl_name,
int *nrels_mag, long *results)
{
struct pc87360_data *data = client->data;
int nr = ctl_name - PC87365_SYSCTL_IN0_STATUS;
if (operation == SENSORS_PROC_REAL_INFO)
*nrels_mag = 0;
else if (operation == SENSORS_PROC_REAL_READ) {
pc87360_update_client(client);
results[0] = data->in_status[nr];
*nrels_mag = 1;
}
}
void pc87365_temp(struct i2c_client *client, int operation, int ctl_name,
int *nrels_mag, long *results)
{
struct pc87360_data *data = client->data;
int nr = ctl_name - PC87365_SYSCTL_TEMP1;
if (operation == SENSORS_PROC_REAL_INFO)
*nrels_mag = 0;
else if (operation == SENSORS_PROC_REAL_READ) {
pc87360_update_client(client);
results[0] = TEMP_FROM_REG(data->temp_max[nr]);
results[1] = TEMP_FROM_REG(data->temp_min[nr]);
results[2] = TEMP_FROM_REG(data->temp_crit[nr]);
results[3] = TEMP_FROM_REG(data->temp[nr]);
*nrels_mag = 4;
}
else if (operation == SENSORS_PROC_REAL_WRITE) {
if (nr >= data->tempnr)
return;
if (*nrels_mag >= 1) {
data->temp_max[nr] = TEMP_TO_REG(results[0]);
pc87360_write_value(data, LD_TEMP, nr,
PC87365_REG_TEMP_MAX,
data->temp_max[nr]);
}
if (*nrels_mag >= 2) {
data->temp_min[nr] = TEMP_TO_REG(results[1]);
pc87360_write_value(data, LD_TEMP, nr,
PC87365_REG_TEMP_MIN,
data->temp_min[nr]);
}
if (*nrels_mag >= 3) {
data->temp_crit[nr] = TEMP_TO_REG(results[2]);
pc87360_write_value(data, LD_TEMP, nr,
PC87365_REG_TEMP_CRIT,
data->temp_crit[nr]);
}
}
}
void pc87365_temp_status(struct i2c_client *client, int operation, int ctl_name,
int *nrels_mag, long *results)
{
struct pc87360_data *data = client->data;
int nr = ctl_name - PC87365_SYSCTL_TEMP1_STATUS;
if (operation == SENSORS_PROC_REAL_INFO)
*nrels_mag = 0;
else if (operation == SENSORS_PROC_REAL_READ) {
pc87360_update_client(client);
results[0] = data->temp_status[nr];
*nrels_mag = 1;
}
}
static int __init pc87360_init(void)
{
int i;
printk(KERN_INFO "pc87360.o version %s (%s)\n", LM_VERSION, LM_DATE);
if (pc87360_find(&devid, extra_isa)) {
printk(KERN_WARNING "pc87360.o: 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.o: 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);