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Commit 533fa454 authored by Linus Torvalds's avatar Linus Torvalds
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Merge bk://kernel.bkbits.net/gregkh/linux/i2c-2.5 

into home.transmeta.com:/home/torvalds/v2.5/linux
parents 276fccf5 c3efc929
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Showing with 1190 additions and 491 deletions
drivers/i2c/busses/i2c-viapro.c
View file @ 533fa454
......@@ -42,23 +42,24 @@
#include <linux/init.h>
#include <asm/io.h>
#define SMBBA1 0x90
#define SMBBA2 0x80
#define SMBBA3 0xD0
#define SMBBA1 0x90
#define SMBBA2 0x80
#define SMBBA3 0xD0
/* SMBus address offsets */
#define SMBHSTSTS (0 + vt596_smba)
#define SMBHSLVSTS (1 + vt596_smba)
#define SMBHSTCNT (2 + vt596_smba)
#define SMBHSTCMD (3 + vt596_smba)
#define SMBHSTADD (4 + vt596_smba)
#define SMBHSTDAT0 (5 + vt596_smba)
#define SMBHSTDAT1 (6 + vt596_smba)
#define SMBBLKDAT (7 + vt596_smba)
#define SMBSLVCNT (8 + vt596_smba)
#define SMBSHDWCMD (9 + vt596_smba)
#define SMBSLVEVT (0xA + vt596_smba)
#define SMBSLVDAT (0xC + vt596_smba)
static unsigned short vt596_smba;
#define SMBHSTSTS (vt596_smba + 0)
#define SMBHSLVSTS (vt596_smba + 1)
#define SMBHSTCNT (vt596_smba + 2)
#define SMBHSTCMD (vt596_smba + 3)
#define SMBHSTADD (vt596_smba + 4)
#define SMBHSTDAT0 (vt596_smba + 5)
#define SMBHSTDAT1 (vt596_smba + 6)
#define SMBBLKDAT (vt596_smba + 7)
#define SMBSLVCNT (vt596_smba + 8)
#define SMBSHDWCMD (vt596_smba + 9)
#define SMBSLVEVT (vt596_smba + 0xA)
#define SMBSLVDAT (vt596_smba + 0xC)
/* PCI Address Constants */
......@@ -68,14 +69,14 @@
static unsigned short smb_cf_hstcfg = 0xD2;
#define SMBHSTCFG (smb_cf_hstcfg)
#define SMBSLVC (SMBHSTCFG+1)
#define SMBSHDW1 (SMBHSTCFG+2)
#define SMBSHDW2 (SMBHSTCFG+3)
#define SMBREV (SMBHSTCFG+4)
#define SMBSLVC (smb_cf_hstcfg + 1)
#define SMBSHDW1 (smb_cf_hstcfg + 2)
#define SMBSHDW2 (smb_cf_hstcfg + 3)
#define SMBREV (smb_cf_hstcfg + 4)
/* Other settings */
#define MAX_TIMEOUT 500
#define ENABLE_INT9 0
#define MAX_TIMEOUT 500
#define ENABLE_INT9 0
/* VT82C596 constants */
#define VT596_QUICK 0x00
......@@ -84,144 +85,33 @@ static unsigned short smb_cf_hstcfg = 0xD2;
#define VT596_WORD_DATA 0x0C
#define VT596_BLOCK_DATA 0x14
/* insmod parameters */
/* If force is set to anything different from 0, we forcibly enable the
VT596. DANGEROUS! */
static int force = 0;
static int force;
MODULE_PARM(force, "i");
MODULE_PARM_DESC(force, "Forcibly enable the SMBus. DANGEROUS!");
/* If force_addr is set to anything different from 0, we forcibly enable
the VT596 at the given address. VERY DANGEROUS! */
static int force_addr = 0;
static int force_addr;
MODULE_PARM(force_addr, "i");
MODULE_PARM_DESC(force_addr,
"Forcibly enable the SMBus at the given address. "
"EXTREMELY DANGEROUS!");
static void vt596_do_pause(unsigned int amount);
static int vt596_transaction(void);
s32 vt596_access(struct i2c_adapter * adap, u16 addr, unsigned short flags,
char read_write, u8 command, int size, union i2c_smbus_data * data);
u32 vt596_func(struct i2c_adapter *adapter);
static struct i2c_algorithm smbus_algorithm = {
.name = "Non-I2C SMBus adapter",
.id = I2C_ALGO_SMBUS,
.smbus_xfer = vt596_access,
.functionality = vt596_func,
};
static struct i2c_adapter vt596_adapter = {
.owner = THIS_MODULE,
.id = I2C_ALGO_SMBUS | I2C_HW_SMBUS_VIA2,
.algo = &smbus_algorithm,
.dev = {
.name = "unset",
},
};
static unsigned short vt596_smba = 0;
/* Detect whether a compatible device can be found, and initialize it. */
int vt596_setup(struct pci_dev *VT596_dev, struct pci_device_id const *id)
{
unsigned char temp;
dev_info(&VT596_dev->dev, "Found Via %s device\n", VT596_dev->dev.name);
/* Determine the address of the SMBus areas */
if (force_addr) {
vt596_smba = force_addr & 0xfff0;
force = 0;
} else {
if ((pci_read_config_word(VT596_dev, id->driver_data, &vt596_smba))
|| !(vt596_smba & 0x1)) {
/* try 2nd address and config reg. for 596 */
if((id->device == PCI_DEVICE_ID_VIA_82C596_3) &&
(!pci_read_config_word(VT596_dev, SMBBA2, &vt596_smba)) &&
(vt596_smba & 0x1)) {
smb_cf_hstcfg = 0x84;
} else {
/* no matches at all */
dev_err(&VT596_dev->dev, "Cannot configure "
"SMBus I/O Base address\n");
return(-ENODEV);
}
}
vt596_smba &= 0xfff0;
if(vt596_smba == 0) {
dev_err(&VT596_dev->dev, "SMBus base address "
"uninitialized - upgrade BIOS or use "
"force_addr=0xaddr\n");
return -ENODEV;
}
}
if (!request_region(vt596_smba, 8, "viapro-smbus")) {
dev_err(&VT596_dev->dev, "SMBus region 0x%x already in use!\n",
vt596_smba);
return(-ENODEV);
}
pci_read_config_byte(VT596_dev, SMBHSTCFG, &temp);
/* If force_addr is set, we program the new address here. Just to make
sure, we disable the VT596 first. */
if (force_addr) {
pci_write_config_byte(VT596_dev, SMBHSTCFG, temp & 0xfe);
pci_write_config_word(VT596_dev, id->driver_data, vt596_smba);
pci_write_config_byte(VT596_dev, SMBHSTCFG, temp | 0x01);
dev_warn(&VT596_dev->dev, "WARNING: SMBus interface set to new "
"address 0x%04x!\n", vt596_smba);
} else if ((temp & 1) == 0) {
if (force) {
/* NOTE: This assumes I/O space and other allocations
* WERE done by the Bios! Don't complain if your
* hardware does weird things after enabling this.
* :') Check for Bios updates before resorting to
* this.
*/
pci_write_config_byte(VT596_dev, SMBHSTCFG,
temp | 1);
dev_info(&VT596_dev->dev, "Enabling SMBus device\n");
} else {
dev_err(&VT596_dev->dev, "SMBUS: Error: Host SMBus "
"controller not enabled! - upgrade BIOS or "
"use force=1\n");
return(-ENODEV);
}
}
if ((temp & 0x0E) == 8)
dev_dbg(&VT596_dev->dev, "using Interrupt 9 for SMBus.\n");
else if ((temp & 0x0E) == 0)
dev_dbg(&VT596_dev->dev, "using Interrupt SMI# for SMBus.\n");
else
dev_dbg(&VT596_dev->dev, "Illegal Interrupt configuration "
"(or code out of date)!\n");
pci_read_config_byte(VT596_dev, SMBREV, &temp);
dev_dbg(&VT596_dev->dev, "SMBREV = 0x%X\n", temp);
dev_dbg(&VT596_dev->dev, "VT596_smba = 0x%X\n", vt596_smba);
return(0);
}
static struct i2c_adapter vt596_adapter;
/* Internally used pause function */
void vt596_do_pause(unsigned int amount)
static void vt596_do_pause(unsigned int amount)
{
current->state = TASK_INTERRUPTIBLE;
schedule_timeout(amount);
}
/* Another internally used function */
int vt596_transaction(void)
static int vt596_transaction(void)
{
int temp;
int result = 0;
......@@ -296,15 +186,16 @@ int vt596_transaction(void)
}
/* Return -1 on error. */
s32 vt596_access(struct i2c_adapter *adap, u16 addr, unsigned short flags,
char read_write, u8 command, int size,
union i2c_smbus_data * data)
static s32 vt596_access(struct i2c_adapter *adap, u16 addr,
unsigned short flags, char read_write, u8 command,
int size, union i2c_smbus_data *data)
{
int i, len;
switch (size) {
case I2C_SMBUS_PROC_CALL:
dev_info(&vt596_adapter.dev, "I2C_SMBUS_PROC_CALL not supported!\n");
dev_info(&vt596_adapter.dev,
"I2C_SMBUS_PROC_CALL not supported!\n");
return -1;
case I2C_SMBUS_QUICK:
outb_p(((addr & 0x7f) << 1) | (read_write & 0x01),
......@@ -363,7 +254,6 @@ s32 vt596_access(struct i2c_adapter *adap, u16 addr, unsigned short flags,
if ((read_write == I2C_SMBUS_WRITE) || (size == VT596_QUICK))
return 0;
switch (size) {
case VT596_BYTE:
/* Where is the result put? I assume here it is in
......@@ -388,15 +278,127 @@ s32 vt596_access(struct i2c_adapter *adap, u16 addr, unsigned short flags,
return 0;
}
u32 vt596_func(struct i2c_adapter *adapter)
static u32 vt596_func(struct i2c_adapter *adapter)
{
return I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE |
I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA |
I2C_FUNC_SMBUS_BLOCK_DATA;
}
static struct i2c_algorithm smbus_algorithm = {
.name = "Non-I2C SMBus adapter",
.id = I2C_ALGO_SMBUS,
.smbus_xfer = vt596_access,
.functionality = vt596_func,
};
static struct i2c_adapter vt596_adapter = {
.owner = THIS_MODULE,
.id = I2C_ALGO_SMBUS | I2C_HW_SMBUS_VIA2,
.algo = &smbus_algorithm,
.dev = {
.name = "unset",
},
};
static int __devinit vt596_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
unsigned char temp;
int error = -ENODEV;
/* Determine the address of the SMBus areas */
if (force_addr) {
vt596_smba = force_addr & 0xfff0;
force = 0;
goto found;
}
if ((pci_read_config_word(pdev, id->driver_data, &vt596_smba)) ||
!(vt596_smba & 0x1)) {
/* try 2nd address and config reg. for 596 */
if (id->device == PCI_DEVICE_ID_VIA_82C596_3 &&
!pci_read_config_word(pdev, SMBBA2, &vt596_smba) &&
(vt596_smba & 0x1)) {
smb_cf_hstcfg = 0x84;
} else {
/* no matches at all */
dev_err(&pdev->dev, "Cannot configure "
"SMBus I/O Base address\n");
return -ENODEV;
}
}
vt596_smba &= 0xfff0;
if (vt596_smba == 0) {
dev_err(&pdev->dev, "SMBus base address "
"uninitialized - upgrade BIOS or use "
"force_addr=0xaddr\n");
return -ENODEV;
}
found:
if (!request_region(vt596_smba, 8, "viapro-smbus")) {
dev_err(&pdev->dev, "SMBus region 0x%x already in use!\n",
vt596_smba);
return -ENODEV;
}
pci_read_config_byte(pdev, SMBHSTCFG, &temp);
/* If force_addr is set, we program the new address here. Just to make
sure, we disable the VT596 first. */
if (force_addr) {
pci_write_config_byte(pdev, SMBHSTCFG, temp & 0xfe);
pci_write_config_word(pdev, id->driver_data, vt596_smba);
pci_write_config_byte(pdev, SMBHSTCFG, temp | 0x01);
dev_warn(&pdev->dev, "WARNING: SMBus interface set to new "
"address 0x%04x!\n", vt596_smba);
} else if ((temp & 1) == 0) {
if (force) {
/* NOTE: This assumes I/O space and other allocations
* WERE done by the Bios! Don't complain if your
* hardware does weird things after enabling this.
* :') Check for Bios updates before resorting to
* this.
*/
pci_write_config_byte(pdev, SMBHSTCFG, temp | 1);
dev_info(&pdev->dev, "Enabling SMBus device\n");
} else {
dev_err(&pdev->dev, "SMBUS: Error: Host SMBus "
"controller not enabled! - upgrade BIOS or "
"use force=1\n");
goto release_region;
}
}
if ((temp & 0x0E) == 8)
dev_dbg(&pdev->dev, "using Interrupt 9 for SMBus.\n");
else if ((temp & 0x0E) == 0)
dev_dbg(&pdev->dev, "using Interrupt SMI# for SMBus.\n");
else
dev_dbg(&pdev->dev, "Illegal Interrupt configuration "
"(or code out of date)!\n");
pci_read_config_byte(pdev, SMBREV, &temp);
dev_dbg(&pdev->dev, "SMBREV = 0x%X\n", temp);
dev_dbg(&pdev->dev, "VT596_smba = 0x%X\n", vt596_smba);
vt596_adapter.dev.parent = &pdev->dev;
snprintf(vt596_adapter.dev.name, DEVICE_NAME_SIZE,
"SMBus Via Pro adapter at %04x", vt596_smba);
return i2c_add_adapter(&vt596_adapter);
release_region:
release_region(vt596_smba, 8);
return error;
}
static void __devexit vt596_remove(struct pci_dev *pdev)
{
i2c_del_adapter(&vt596_adapter);
release_region(vt596_smba, 8);
}
static struct pci_device_id vt596_ids[] __devinitdata = {
{
......@@ -451,29 +453,6 @@ static struct pci_device_id vt596_ids[] __devinitdata = {
{ 0, }
};
static int __devinit vt596_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
int retval;
retval = vt596_setup(dev, id);
if (retval)
return retval;
vt596_adapter.dev.parent = &dev->dev;
snprintf(vt596_adapter.dev.name, DEVICE_NAME_SIZE,
"SMBus Via Pro adapter at %04x", vt596_smba);
retval = i2c_add_adapter(&vt596_adapter);
return retval;
}
static void __devexit vt596_remove(struct pci_dev *dev)
{
i2c_del_adapter(&vt596_adapter);
}
static struct pci_driver vt596_driver = {
.name = "vt596 smbus",
.id_table = vt596_ids,
......@@ -490,14 +469,12 @@ static int __init i2c_vt596_init(void)
static void __exit i2c_vt596_exit(void)
{
pci_unregister_driver(&vt596_driver);
release_region(vt596_smba, 8);
}
MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl> and Philip Edelbrock <phil@netroedge.com>");
MODULE_AUTHOR(
"Frodo Looijaard <frodol@dds.nl> and "
"Philip Edelbrock <phil@netroedge.com>");
MODULE_DESCRIPTION("vt82c596 SMBus driver");
MODULE_LICENSE("GPL");
module_init(i2c_vt596_init);
......
drivers/i2c/chips/Kconfig
View file @ 533fa454
......@@ -22,6 +22,16 @@ config SENSORS_ADM1021
in the lm_sensors package, which you can download at
http://www.lm-sensors.nu
config SENSORS_IT87
tristate " National Semiconductors IT87 and compatibles"
depends on I2C && EXPERIMENTAL
help
The module will be called it87.
You will also need the latest user-space utilties: you can find them
in the lm_sensors package, which you can download at
http://www.lm-sensors.nu
config SENSORS_LM75
tristate " National Semiconductors LM75 and compatibles"
depends on I2C && EXPERIMENTAL
......@@ -66,8 +76,8 @@ config SENSORS_W83781D
config I2C_SENSOR
tristate
default y if SENSORS_ADM1021=y || SENSORS_LM75=y || SENSORS_VIA686A=y || SENSORS_W83781D=y
default m if SENSORS_ADM1021=m || SENSORS_LM75=m || SENSORS_VIA686A=m || SENSORS_W83781D=m
default y if SENSORS_ADM1021=y || SENSORS_IT87=y || SENSORS_LM75=y || SENSORS_VIA686A=y || SENSORS_W83781D=y
default m if SENSORS_ADM1021=m || SENSORS_IT87=m || SENSORS_LM75=m || SENSORS_VIA686A=m || SENSORS_W83781D=m
default n
endmenu
drivers/i2c/chips/Makefile
View file @ 533fa454
......@@ -3,6 +3,7 @@
#
obj-$(CONFIG_SENSORS_ADM1021) += adm1021.o
obj-$(CONFIG_SENSORS_IT87) += it87.o
obj-$(CONFIG_SENSORS_LM75) += lm75.o
obj-$(CONFIG_SENSORS_VIA686A) += via686a.o
obj-$(CONFIG_SENSORS_W83781D) += w83781d.o
drivers/i2c/chips/adm1021.c
View file @ 533fa454
......@@ -39,12 +39,12 @@
#define ADM1021_ALARM_RTEMP_NA 0x04
/* Addresses to scan */
static unsigned short normal_i2c[] = { SENSORS_I2C_END };
static unsigned short normal_i2c[] = { I2C_CLIENT_END };
static unsigned short normal_i2c_range[] = { 0x18, 0x1a, 0x29, 0x2b,
0x4c, 0x4e, SENSORS_I2C_END
0x4c, 0x4e, I2C_CLIENT_END
};
static unsigned int normal_isa[] = { SENSORS_ISA_END };
static unsigned int normal_isa_range[] = { SENSORS_ISA_END };
static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
SENSORS_INSMOD_8(adm1021, adm1023, max1617, max1617a, thmc10, lm84, gl523sm, mc1066);
......@@ -416,128 +416,6 @@ static void adm1021_update_client(struct i2c_client *client)
up(&data->update_lock);
}
/* FIXME, remove these four functions, they are here to verify the sysfs
* conversion is correct, or not */
__attribute__((unused))
static void adm1021_temp(struct i2c_client *client, int operation,
int ctl_name, int *nrels_mag, long *results)
{
struct adm1021_data *data = i2c_get_clientdata(client);
if (operation == SENSORS_PROC_REAL_INFO)
*nrels_mag = 0;
else if (operation == SENSORS_PROC_REAL_READ) {
adm1021_update_client(client);
results[0] = TEMP_FROM_REG(data->temp_max);
results[1] = TEMP_FROM_REG(data->temp_hyst);
results[2] = TEMP_FROM_REG(data->temp_input);
*nrels_mag = 3;
} else if (operation == SENSORS_PROC_REAL_WRITE) {
if (*nrels_mag >= 1) {
data->temp_max = TEMP_TO_REG(results[0]);
adm1021_write_value(client, ADM1021_REG_TOS_W,
data->temp_max);
}
if (*nrels_mag >= 2) {
data->temp_hyst = TEMP_TO_REG(results[1]);
adm1021_write_value(client, ADM1021_REG_THYST_W,
data->temp_hyst);
}
}
}
__attribute__((unused))
static void adm1021_remote_temp(struct i2c_client *client, int operation,
int ctl_name, int *nrels_mag, long *results)
{
struct adm1021_data *data = i2c_get_clientdata(client);
int prec = 0;
if (operation == SENSORS_PROC_REAL_INFO)
if (data->type == adm1023) { *nrels_mag = 3; }
else { *nrels_mag = 0; }
else if (operation == SENSORS_PROC_REAL_READ) {
adm1021_update_client(client);
results[0] = TEMP_FROM_REG(data->remote_temp_max);
results[1] = TEMP_FROM_REG(data->remote_temp_hyst);
results[2] = TEMP_FROM_REG(data->remote_temp_input);
if (data->type == adm1023) {
results[0] = results[0]*1000 + ((data->remote_temp_os_prec >> 5) * 125);
results[1] = results[1]*1000 + ((data->remote_temp_hyst_prec >> 5) * 125);
results[2] = (TEMP_FROM_REG(data->remote_temp_offset)*1000) + ((data->remote_temp_offset_prec >> 5) * 125);
results[3] = (TEMP_FROM_REG(data->remote_temp_input)*1000) + ((data->remote_temp_prec >> 5) * 125);
*nrels_mag = 4;
} else {
*nrels_mag = 3;
}
} else if (operation == SENSORS_PROC_REAL_WRITE) {
if (*nrels_mag >= 1) {
if (data->type == adm1023) {
prec = ((results[0]-((results[0]/1000)*1000))/125)<<5;
adm1021_write_value(client, ADM1021_REG_REM_TOS_PREC, prec);
results[0] = results[0]/1000;
data->remote_temp_os_prec=prec;
}
data->remote_temp_max = TEMP_TO_REG(results[0]);
adm1021_write_value(client, ADM1021_REG_REMOTE_TOS_W, data->remote_temp_max);
}
if (*nrels_mag >= 2) {
if (data->type == adm1023) {
prec = ((results[1]-((results[1]/1000)*1000))/125)<<5;
adm1021_write_value(client, ADM1021_REG_REM_THYST_PREC, prec);
results[1] = results[1]/1000;
data->remote_temp_hyst_prec=prec;
}
data->remote_temp_hyst = TEMP_TO_REG(results[1]);
adm1021_write_value(client, ADM1021_REG_REMOTE_THYST_W, data->remote_temp_hyst);
}
if (*nrels_mag >= 3) {
if (data->type == adm1023) {
prec = ((results[2]-((results[2]/1000)*1000))/125)<<5;
adm1021_write_value(client, ADM1021_REG_REM_OFFSET_PREC, prec);
results[2]=results[2]/1000;
data->remote_temp_offset_prec=prec;
data->remote_temp_offset=results[2];
adm1021_write_value(client, ADM1021_REG_REM_OFFSET, data->remote_temp_offset);
}
}
}
}
__attribute__((unused))
static void adm1021_die_code(struct i2c_client *client, int operation,
int ctl_name, int *nrels_mag, long *results)
{
struct adm1021_data *data = i2c_get_clientdata(client);
if (operation == SENSORS_PROC_REAL_INFO)
*nrels_mag = 0;
else if (operation == SENSORS_PROC_REAL_READ) {
adm1021_update_client(client);
results[0] = data->die_code;
*nrels_mag = 1;
} else if (operation == SENSORS_PROC_REAL_WRITE) {
/* Can't write to it */
}
}
__attribute__((unused))
static void adm1021_alarms(struct i2c_client *client, int operation,
int ctl_name, int *nrels_mag, long *results)
{
struct adm1021_data *data = i2c_get_clientdata(client);
if (operation == SENSORS_PROC_REAL_INFO)
*nrels_mag = 0;
else if (operation == SENSORS_PROC_REAL_READ) {
adm1021_update_client(client);
results[0] = data->alarms;
*nrels_mag = 1;
} else if (operation == SENSORS_PROC_REAL_WRITE) {
/* Can't write to it */
}
}
static int __init sensors_adm1021_init(void)
{
return i2c_add_driver(&adm1021_driver);
......
drivers/i2c/chips/it87.c 0 → 100644
View file @ 533fa454
/*
it87.c - Part of lm_sensors, Linux kernel modules for hardware
monitoring.
Supports: IT8705F Super I/O chip w/LPC interface
IT8712F Super I/O chup w/LPC interface & SMbus
Sis950 A clone of the IT8705F
Copyright (c) 2001 Chris Gauthron <chrisg@0-in.com>
Largely inspired by lm78.c of the same package
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.
*/
/*
djg@pdp8.net David Gesswein 7/18/01
Modified to fix bug with not all alarms enabled.
Added ability to read battery voltage and select temperature sensor
type at module load time.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/i2c-sensor.h>
#include <asm/io.h>
/* Addresses to scan */
static unsigned short normal_i2c[] = { I2C_CLIENT_END };
static unsigned short normal_i2c_range[] = { 0x20, 0x2f, I2C_CLIENT_END };
static unsigned int normal_isa[] = { 0x0290, I2C_CLIENT_ISA_END };
static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
SENSORS_INSMOD_4(it87, it8705, it8712, sis950);
/* Update battery voltage after every reading if true */
static int update_vbat = 0;
/* Enable Temp1 as thermal resistor */
/* Enable Temp2 as thermal diode */
/* Enable Temp3 as thermal resistor */
static int temp_type = 0x2a;
/* Many IT87 constants specified below */
/* Length of ISA address segment */
#define IT87_EXTENT 8
/* Where are the ISA address/data registers relative to the base address */
#define IT87_ADDR_REG_OFFSET 5
#define IT87_DATA_REG_OFFSET 6
/*----- The IT87 registers -----*/
#define IT87_REG_CONFIG 0x00
#define IT87_REG_ALARM1 0x01
#define IT87_REG_ALARM2 0x02
#define IT87_REG_ALARM3 0x03
#define IT87_REG_VID 0x0a
#define IT87_REG_FAN_DIV 0x0b
/* Monitors: 9 voltage (0 to 7, battery), 3 temp (1 to 3), 3 fan (1 to 3) */
#define IT87_REG_FAN(nr) (0x0c + (nr))
#define IT87_REG_FAN_MIN(nr) (0x0f + (nr))
#define IT87_REG_FAN_CTRL 0x13
#define IT87_REG_VIN(nr) (0x20 + (nr))
#define IT87_REG_TEMP(nr) (0x28 + (nr))
#define IT87_REG_VIN_MAX(nr) (0x30 + (nr) * 2)
#define IT87_REG_VIN_MIN(nr) (0x31 + (nr) * 2)
#define IT87_REG_TEMP_HIGH(nr) (0x3e + (nr) * 2)
#define IT87_REG_TEMP_LOW(nr) (0x3f + (nr) * 2)
#define IT87_REG_I2C_ADDR 0x48
#define IT87_REG_VIN_ENABLE 0x50
#define IT87_REG_TEMP_ENABLE 0x51
#define IT87_REG_CHIPID 0x58
static inline u8 IN_TO_REG(long val, int inNum)
{
/* to avoid floating point, we multiply everything by 100.
val is guaranteed to be positive, so we can achieve the effect of
rounding by (...*10+5)/10. Note that the *10 is hidden in the
/250 (which should really be /2500).
At the end, we need to /100 because we *100 everything and we need
to /10 because of the rounding thing, so we /1000. */
if (inNum <= 1)
return (u8)
SENSORS_LIMIT(((val * 210240 - 13300) / 250 + 5) / 1000,
0, 255);
else if (inNum == 2)
return (u8)
SENSORS_LIMIT(((val * 157370 - 13300) / 250 + 5) / 1000,
0, 255);
else if (inNum == 3)
return (u8)
SENSORS_LIMIT(((val * 101080 - 13300) / 250 + 5) / 1000,
0, 255);
else
return (u8) SENSORS_LIMIT(((val * 41714 - 13300) / 250 + 5)
/ 1000, 0, 255);
}
static inline long IN_FROM_REG(u8 val, int inNum)
{
/* to avoid floating point, we multiply everything by 100.
val is guaranteed to be positive, so we can achieve the effect of
rounding by adding 0.5. Or, to avoid fp math, we do (...*10+5)/10.
We need to scale with *100 anyway, so no need to /100 at the end. */
if (inNum <= 1)
return (long) (((250000 * val + 13300) / 210240 * 10 + 5) /10);
else if (inNum == 2)
return (long) (((250000 * val + 13300) / 157370 * 10 + 5) /10);
else if (inNum == 3)
return (long) (((250000 * val + 13300) / 101080 * 10 + 5) /10);
else
return (long) (((250000 * val + 13300) / 41714 * 10 + 5) /10);
}
static inline u8 FAN_TO_REG(long rpm, int div)
{
if (rpm == 0)
return 255;
rpm = SENSORS_LIMIT(rpm, 1, 1000000);
return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1,
254);
}
#define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)<0?(((val)-5)/10):\
((val)+5)/10),0,255))
#define TEMP_FROM_REG(val) (((val)>0x80?(val)-0x100:(val))*10)
#define VID_FROM_REG(val) ((val)==0x1f?0:(val)>=0x10?510-(val)*10:\
205-(val)*5)
#define ALARMS_FROM_REG(val) (val)
#define DIV_TO_REG(val) ((val)==8?3:(val)==4?2:(val)==1?0:1)
#define DIV_FROM_REG(val) (1 << (val))
/* Initial limits. Use the config file to set better limits. */
#define IT87_INIT_IN_0 170
#define IT87_INIT_IN_1 250
#define IT87_INIT_IN_2 (330 / 2)
#define IT87_INIT_IN_3 (((500) * 100)/168)
#define IT87_INIT_IN_4 (((1200) * 10)/38)
#define IT87_INIT_IN_5 (((1200) * 10)/72)
#define IT87_INIT_IN_6 (((500) * 10)/56)
#define IT87_INIT_IN_7 (((500) * 100)/168)
#define IT87_INIT_IN_PERCENTAGE 10
#define IT87_INIT_IN_MIN_0 \
(IT87_INIT_IN_0 - IT87_INIT_IN_0 * IT87_INIT_IN_PERCENTAGE / 100)
#define IT87_INIT_IN_MAX_0 \
(IT87_INIT_IN_0 + IT87_INIT_IN_0 * IT87_INIT_IN_PERCENTAGE / 100)
#define IT87_INIT_IN_MIN_1 \
(IT87_INIT_IN_1 - IT87_INIT_IN_1 * IT87_INIT_IN_PERCENTAGE / 100)
#define IT87_INIT_IN_MAX_1 \
(IT87_INIT_IN_1 + IT87_INIT_IN_1 * IT87_INIT_IN_PERCENTAGE / 100)
#define IT87_INIT_IN_MIN_2 \
(IT87_INIT_IN_2 - IT87_INIT_IN_2 * IT87_INIT_IN_PERCENTAGE / 100)
#define IT87_INIT_IN_MAX_2 \
(IT87_INIT_IN_2 + IT87_INIT_IN_2 * IT87_INIT_IN_PERCENTAGE / 100)
#define IT87_INIT_IN_MIN_3 \
(IT87_INIT_IN_3 - IT87_INIT_IN_3 * IT87_INIT_IN_PERCENTAGE / 100)
#define IT87_INIT_IN_MAX_3 \
(IT87_INIT_IN_3 + IT87_INIT_IN_3 * IT87_INIT_IN_PERCENTAGE / 100)
#define IT87_INIT_IN_MIN_4 \
(IT87_INIT_IN_4 - IT87_INIT_IN_4 * IT87_INIT_IN_PERCENTAGE / 100)
#define IT87_INIT_IN_MAX_4 \
(IT87_INIT_IN_4 + IT87_INIT_IN_4 * IT87_INIT_IN_PERCENTAGE / 100)
#define IT87_INIT_IN_MIN_5 \
(IT87_INIT_IN_5 - IT87_INIT_IN_5 * IT87_INIT_IN_PERCENTAGE / 100)
#define IT87_INIT_IN_MAX_5 \
(IT87_INIT_IN_5 + IT87_INIT_IN_5 * IT87_INIT_IN_PERCENTAGE / 100)
#define IT87_INIT_IN_MIN_6 \
(IT87_INIT_IN_6 - IT87_INIT_IN_6 * IT87_INIT_IN_PERCENTAGE / 100)
#define IT87_INIT_IN_MAX_6 \
(IT87_INIT_IN_6 + IT87_INIT_IN_6 * IT87_INIT_IN_PERCENTAGE / 100)
#define IT87_INIT_IN_MIN_7 \
(IT87_INIT_IN_7 - IT87_INIT_IN_7 * IT87_INIT_IN_PERCENTAGE / 100)
#define IT87_INIT_IN_MAX_7 \
(IT87_INIT_IN_7 + IT87_INIT_IN_7 * IT87_INIT_IN_PERCENTAGE / 100)
#define IT87_INIT_FAN_MIN_1 3000
#define IT87_INIT_FAN_MIN_2 3000
#define IT87_INIT_FAN_MIN_3 3000
#define IT87_INIT_TEMP_HIGH_1 600
#define IT87_INIT_TEMP_LOW_1 200
#define IT87_INIT_TEMP_HIGH_2 600
#define IT87_INIT_TEMP_LOW_2 200
#define IT87_INIT_TEMP_HIGH_3 600
#define IT87_INIT_TEMP_LOW_3 200
/* For each registered IT87, we need to keep some data in memory. That
data is pointed to by it87_list[NR]->data. The structure itself is
dynamically allocated, at the same time when a new it87 client is
allocated. */
struct it87_data {
struct semaphore lock;
enum chips type;
struct semaphore update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
u8 in[9]; /* Register value */
u8 in_max[9]; /* Register value */
u8 in_min[9]; /* Register value */
u8 fan[3]; /* Register value */
u8 fan_min[3]; /* Register value */
u8 temp[3]; /* Register value */
u8 temp_high[3]; /* Register value */
u8 temp_low[3]; /* Register value */
u8 fan_div[3]; /* Register encoding, shifted right */
u8 vid; /* Register encoding, combined */
u32 alarms; /* Register encoding, combined */
};
static int it87_attach_adapter(struct i2c_adapter *adapter);
static int it87_detect(struct i2c_adapter *adapter, int address, int kind);
static int it87_detach_client(struct i2c_client *client);
static int it87_read_value(struct i2c_client *client, u8 register);
static int it87_write_value(struct i2c_client *client, u8 register,
u8 value);
static void it87_update_client(struct i2c_client *client);
static void it87_init_client(struct i2c_client *client);
static struct i2c_driver it87_driver = {
.owner = THIS_MODULE,
.name = "IT87xx",
.id = I2C_DRIVERID_IT87,
.flags = I2C_DF_NOTIFY,
.attach_adapter = it87_attach_adapter,
.detach_client = it87_detach_client,
};
static int it87_id = 0;
static ssize_t show_in(struct device *dev, char *buf, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
it87_update_client(client);
return sprintf(buf, "%ld\n", IN_FROM_REG(data->in[nr], nr)*10 );
}
static ssize_t show_in_min(struct device *dev, char *buf, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
it87_update_client(client);
return sprintf(buf, "%ld\n", IN_FROM_REG(data->in_min[nr], nr)*10 );
}
static ssize_t show_in_max(struct device *dev, char *buf, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
it87_update_client(client);
return sprintf(buf, "%ld\n", IN_FROM_REG(data->in_max[nr], nr)*10 );
}
static ssize_t set_in_min(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10)/10;
data->in_min[nr] = IN_TO_REG(val,nr);
it87_write_value(client, IT87_REG_VIN_MIN(nr),
data->in_min[nr]);
return count;
}
static ssize_t set_in_max(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10)/10;
data->in_max[nr] = IN_TO_REG(val,nr);
it87_write_value(client, IT87_REG_VIN_MAX(nr),
data->in_max[nr]);
return count;
}
#define show_in_offset(offset) \
static ssize_t \
show_in##offset (struct device *dev, char *buf) \
{ \
return show_in(dev, buf, 0x##offset); \
} \
static ssize_t \
show_in##offset##_min (struct device *dev, char *buf) \
{ \
return show_in_min(dev, buf, 0x##offset); \
} \
static ssize_t \
show_in##offset##_max (struct device *dev, char *buf) \
{ \
return show_in_max(dev, buf, 0x##offset); \
} \
static ssize_t set_in##offset##_min (struct device *dev, \
const char *buf, size_t count) \
{ \
return set_in_min(dev, buf, count, 0x##offset); \
} \
static ssize_t set_in##offset##_max (struct device *dev, \
const char *buf, size_t count) \
{ \
return set_in_max(dev, buf, count, 0x##offset); \
} \
static DEVICE_ATTR(in_input##offset, S_IRUGO, show_in##offset, NULL) \
static DEVICE_ATTR(in_min##offset, S_IRUGO | S_IWUSR, \
show_in##offset##_min, set_in##offset##_min) \
static DEVICE_ATTR(in_max##offset, S_IRUGO | S_IWUSR, \
show_in##offset##_max, set_in##offset##_max)
show_in_offset(0);
show_in_offset(1);
show_in_offset(2);
show_in_offset(3);
show_in_offset(4);
/* 3 temperatures */
static ssize_t show_temp(struct device *dev, char *buf, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
it87_update_client(client);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr])*10 );
}
/* more like overshoot temperature */
static ssize_t show_temp_max(struct device *dev, char *buf, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
it87_update_client(client);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_high[nr])*10);
}
/* more like hysteresis temperature */
static ssize_t show_temp_min(struct device *dev, char *buf, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
it87_update_client(client);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_low[nr])*10);
}
static ssize_t set_temp_max(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10)/10;
data->temp_high[nr] = TEMP_TO_REG(val);
it87_write_value(client, IT87_REG_TEMP_HIGH(nr), data->temp_high[nr]);
return count;
}
static ssize_t set_temp_min(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10)/10;
data->temp_low[nr] = TEMP_TO_REG(val);
it87_write_value(client, IT87_REG_TEMP_LOW(nr), data->temp_low[nr]);
return count;
}
#define show_temp_offset(offset) \
static ssize_t show_temp_##offset (struct device *dev, char *buf) \
{ \
return show_temp(dev, buf, 0x##offset - 1); \
} \
static ssize_t \
show_temp_##offset##_max (struct device *dev, char *buf) \
{ \
return show_temp_max(dev, buf, 0x##offset - 1); \
} \
static ssize_t \
show_temp_##offset##_min (struct device *dev, char *buf) \
{ \
return show_temp_min(dev, buf, 0x##offset - 1); \
} \
static ssize_t set_temp_##offset##_max (struct device *dev, \
const char *buf, size_t count) \
{ \
return set_temp_max(dev, buf, count, 0x##offset - 1); \
} \
static ssize_t set_temp_##offset##_min (struct device *dev, \
const char *buf, size_t count) \
{ \
return set_temp_min(dev, buf, count, 0x##offset - 1); \
} \
static DEVICE_ATTR(temp_input##offset, S_IRUGO, show_temp_##offset, NULL) \
static DEVICE_ATTR(temp_max##offset, S_IRUGO | S_IWUSR, \
show_temp_##offset##_max, set_temp_##offset##_max) \
static DEVICE_ATTR(temp_min##offset, S_IRUGO | S_IWUSR, \
show_temp_##offset##_min, set_temp_##offset##_min)
show_temp_offset(1);
show_temp_offset(2);
show_temp_offset(3);
/* 2 Fans */
static ssize_t show_fan(struct device *dev, char *buf, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
it87_update_client(client);
return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr],
DIV_FROM_REG(data->fan_div[nr])) );
}
static ssize_t show_fan_min(struct device *dev, char *buf, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
it87_update_client(client);
return sprintf(buf,"%d\n",
FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr])) );
}
static ssize_t show_fan_div(struct device *dev, char *buf, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
it87_update_client(client);
return sprintf(buf,"%d\n", DIV_FROM_REG(data->fan_div[nr]) );
}
static ssize_t set_fan_min(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
it87_write_value(client, IT87_REG_FAN_MIN(nr+1), data->fan_min[nr]);
return count;
}
static ssize_t set_fan_div(struct device *dev, const char *buf,
size_t count, int nr)
{
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
int old = it87_read_value(client, IT87_REG_FAN_DIV);
data->fan_div[nr] = DIV_TO_REG(val);
old = (old & 0x0f) | (data->fan_div[1] << 6) | (data->fan_div[0] << 4);
it87_write_value(client, IT87_REG_FAN_DIV, old);
return count;
}
#define show_fan_offset(offset) \
static ssize_t show_fan_##offset (struct device *dev, char *buf) \
{ \
return show_fan(dev, buf, 0x##offset - 1); \
} \
static ssize_t show_fan_##offset##_min (struct device *dev, char *buf) \
{ \
return show_fan_min(dev, buf, 0x##offset - 1); \
} \
static ssize_t show_fan_##offset##_div (struct device *dev, char *buf) \
{ \
return show_fan_div(dev, buf, 0x##offset - 1); \
} \
static ssize_t set_fan_##offset##_min (struct device *dev, \
const char *buf, size_t count) \
{ \
return set_fan_min(dev, buf, count, 0x##offset - 1); \
} \
static ssize_t set_fan_##offset##_div (struct device *dev, \
const char *buf, size_t count) \
{ \
return set_fan_div(dev, buf, count, 0x##offset - 1); \
} \
static DEVICE_ATTR(fan_input##offset, S_IRUGO, show_fan_##offset, NULL) \
static DEVICE_ATTR(fan_min##offset, S_IRUGO | S_IWUSR, \
show_fan_##offset##_min, set_fan_##offset##_min) \
static DEVICE_ATTR(fan_div##offset, S_IRUGO | S_IWUSR, \
show_fan_##offset##_div, set_fan_##offset##_div)
show_fan_offset(1);
show_fan_offset(2);
/* Alarm */
static ssize_t show_alarm(struct device *dev, char *buf)
{
struct i2c_client *client = to_i2c_client(dev);
struct it87_data *data = i2c_get_clientdata(client);
it87_update_client(client);
return sprintf(buf,"%d\n", ALARMS_FROM_REG(data->alarms));
}
static DEVICE_ATTR(alarm, S_IRUGO | S_IWUSR, show_alarm, NULL);
/* This function is called when:
* it87_driver is inserted (when this module is loaded), for each
available adapter
* when a new adapter is inserted (and it87_driver is still present) */
static int it87_attach_adapter(struct i2c_adapter *adapter)
{
return i2c_detect(adapter, &addr_data, it87_detect);
}
/* This function is called by i2c_detect */
int it87_detect(struct i2c_adapter *adapter, int address, int kind)
{
int i;
struct i2c_client *new_client = NULL;
struct it87_data *data;
int err = 0;
const char *name = "";
const char *client_name = "";
int is_isa = i2c_is_isa_adapter(adapter);
if (!is_isa &&
!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
goto ERROR0;
/* Reserve the ISA region */
if (is_isa)
if (!request_region(address, IT87_EXTENT, name))
goto ERROR0;
/* Probe whether there is anything available on this address. Already
done for SMBus clients */
if (kind < 0) {
if (is_isa) {
#define REALLY_SLOW_IO
/* We need the timeouts for at least some IT87-like chips. But only
if we read 'undefined' registers. */
i = inb_p(address + 1);
if (inb_p(address + 2) != i)
goto ERROR1;
if (inb_p(address + 3) != i)
goto ERROR1;
if (inb_p(address + 7) != i)
goto ERROR1;
#undef REALLY_SLOW_IO
/* Let's just hope nothing breaks here */
i = inb_p(address + 5) & 0x7f;
outb_p(~i & 0x7f, address + 5);
if ((inb_p(address + 5) & 0x7f) != (~i & 0x7f)) {
outb_p(i, address + 5);
return 0;
}
}
}
/* OK. For now, we presume we have a valid client. We now create the
client structure, even though we cannot fill it completely yet.
But it allows us to access it87_{read,write}_value. */
if (!(new_client = kmalloc((sizeof(struct i2c_client)) +
sizeof(struct it87_data),
GFP_KERNEL))) {
err = -ENOMEM;
goto ERROR1;
}
data = (struct it87_data *) (new_client + 1);
if (is_isa)
init_MUTEX(&data->lock);
i2c_set_clientdata(new_client, data);
new_client->addr = address;
new_client->adapter = adapter;
new_client->driver = &it87_driver;
new_client->flags = 0;
/* Now, we do the remaining detection. */
if (kind < 0) {
if (it87_read_value(new_client, IT87_REG_CONFIG) & 0x80)
goto ERROR1;
if (!is_isa
&& (it87_read_value(new_client, IT87_REG_I2C_ADDR) !=
address)) goto ERROR1;
}
/* Determine the chip type. */
if (kind <= 0) {
i = it87_read_value(new_client, IT87_REG_CHIPID);
if (i == 0x90) {
kind = it87;
}
else {
if (kind == 0)
printk
("it87.o: Ignoring 'force' parameter for unknown chip at "
"adapter %d, address 0x%02x\n",
i2c_adapter_id(adapter), address);
goto ERROR1;
}
}
if (kind == it87) {
name = "it87";
client_name = "IT87 chip";
} /* else if (kind == it8712) {
name = "it8712";
client_name = "IT87-J chip";
} */ else {
dev_dbg(&adapter->dev, "Internal error: unknown kind (%d)?!?",
kind);
goto ERROR1;
}
/* Fill in the remaining client fields and put it into the global list */
strncpy(new_client->dev.name, name, DEVICE_NAME_SIZE);
data->type = kind;
new_client->id = it87_id++;
data->valid = 0;
init_MUTEX(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
goto ERROR1;
/* register sysfs hooks */
device_create_file(&new_client->dev, &dev_attr_in_input0);
device_create_file(&new_client->dev, &dev_attr_in_input1);
device_create_file(&new_client->dev, &dev_attr_in_input2);
device_create_file(&new_client->dev, &dev_attr_in_input3);
device_create_file(&new_client->dev, &dev_attr_in_input4);
device_create_file(&new_client->dev, &dev_attr_in_min0);
device_create_file(&new_client->dev, &dev_attr_in_min1);
device_create_file(&new_client->dev, &dev_attr_in_min2);
device_create_file(&new_client->dev, &dev_attr_in_min3);
device_create_file(&new_client->dev, &dev_attr_in_min4);
device_create_file(&new_client->dev, &dev_attr_in_max0);
device_create_file(&new_client->dev, &dev_attr_in_max1);
device_create_file(&new_client->dev, &dev_attr_in_max2);
device_create_file(&new_client->dev, &dev_attr_in_max3);
device_create_file(&new_client->dev, &dev_attr_in_max4);
device_create_file(&new_client->dev, &dev_attr_temp_input1);
device_create_file(&new_client->dev, &dev_attr_temp_input2);
device_create_file(&new_client->dev, &dev_attr_temp_input3);
device_create_file(&new_client->dev, &dev_attr_temp_max1);
device_create_file(&new_client->dev, &dev_attr_temp_max2);
device_create_file(&new_client->dev, &dev_attr_temp_max3);
device_create_file(&new_client->dev, &dev_attr_temp_min1);
device_create_file(&new_client->dev, &dev_attr_temp_min2);
device_create_file(&new_client->dev, &dev_attr_temp_min3);
device_create_file(&new_client->dev, &dev_attr_fan_input1);
device_create_file(&new_client->dev, &dev_attr_fan_input2);
device_create_file(&new_client->dev, &dev_attr_fan_min1);
device_create_file(&new_client->dev, &dev_attr_fan_min2);
device_create_file(&new_client->dev, &dev_attr_fan_div1);
device_create_file(&new_client->dev, &dev_attr_fan_div2);
device_create_file(&new_client->dev, &dev_attr_alarm);
/* Initialize the IT87 chip */
it87_init_client(new_client);
return 0;
ERROR1:
kfree(new_client);
if (is_isa)
release_region(address, IT87_EXTENT);
ERROR0:
return err;
}
static int it87_detach_client(struct i2c_client *client)
{
int err;
if ((err = i2c_detach_client(client))) {
dev_err(&client->dev,
"Client deregistration failed, client not detached.\n");
return err;
}
if(i2c_is_isa_client(client))
release_region(client->addr, IT87_EXTENT);
kfree(client);
return 0;
}
/* The SMBus locks itself, but ISA access must be locked explicitely!
We don't want to lock the whole ISA bus, so we lock each client
separately.
We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
would slow down the IT87 access and should not be necessary.
There are some ugly typecasts here, but the good new is - they should
nowhere else be necessary! */
static int it87_read_value(struct i2c_client *client, u8 reg)
{
struct it87_data *data = i2c_get_clientdata(client);
int res;
if (i2c_is_isa_client(client)) {
down(&data->lock);
outb_p(reg, client->addr + IT87_ADDR_REG_OFFSET);
res = inb_p(client->addr + IT87_DATA_REG_OFFSET);
up(&data->lock);
return res;
} else
return i2c_smbus_read_byte_data(client, reg);
}
/* The SMBus locks itself, but ISA access muse be locked explicitely!
We don't want to lock the whole ISA bus, so we lock each client
separately.
We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
would slow down the IT87 access and should not be necessary.
There are some ugly typecasts here, but the good new is - they should
nowhere else be necessary! */
static int it87_write_value(struct i2c_client *client, u8 reg, u8 value)
{
struct it87_data *data = i2c_get_clientdata(client);
if (i2c_is_isa_client(client)) {
down(&data->lock);
outb_p(reg, client->addr + IT87_ADDR_REG_OFFSET);
outb_p(value, client->addr + IT87_DATA_REG_OFFSET);
up(&data->lock);
return 0;
} else
return i2c_smbus_write_byte_data(client, reg, value);
}
/* Called when we have found a new IT87. It should set limits, etc. */
static void it87_init_client(struct i2c_client *client)
{
/* Reset all except Watchdog values and last conversion values
This sets fan-divs to 2, among others */
it87_write_value(client, IT87_REG_CONFIG, 0x80);
it87_write_value(client, IT87_REG_VIN_MIN(0),
IN_TO_REG(IT87_INIT_IN_MIN_0, 0));
it87_write_value(client, IT87_REG_VIN_MAX(0),
IN_TO_REG(IT87_INIT_IN_MAX_0, 0));
it87_write_value(client, IT87_REG_VIN_MIN(1),
IN_TO_REG(IT87_INIT_IN_MIN_1, 1));
it87_write_value(client, IT87_REG_VIN_MAX(1),
IN_TO_REG(IT87_INIT_IN_MAX_1, 1));
it87_write_value(client, IT87_REG_VIN_MIN(2),
IN_TO_REG(IT87_INIT_IN_MIN_2, 2));
it87_write_value(client, IT87_REG_VIN_MAX(2),
IN_TO_REG(IT87_INIT_IN_MAX_2, 2));
it87_write_value(client, IT87_REG_VIN_MIN(3),
IN_TO_REG(IT87_INIT_IN_MIN_3, 3));
it87_write_value(client, IT87_REG_VIN_MAX(3),
IN_TO_REG(IT87_INIT_IN_MAX_3, 3));
it87_write_value(client, IT87_REG_VIN_MIN(4),
IN_TO_REG(IT87_INIT_IN_MIN_4, 4));
it87_write_value(client, IT87_REG_VIN_MAX(4),
IN_TO_REG(IT87_INIT_IN_MAX_4, 4));
it87_write_value(client, IT87_REG_VIN_MIN(5),
IN_TO_REG(IT87_INIT_IN_MIN_5, 5));
it87_write_value(client, IT87_REG_VIN_MAX(5),
IN_TO_REG(IT87_INIT_IN_MAX_5, 5));
it87_write_value(client, IT87_REG_VIN_MIN(6),
IN_TO_REG(IT87_INIT_IN_MIN_6, 6));
it87_write_value(client, IT87_REG_VIN_MAX(6),
IN_TO_REG(IT87_INIT_IN_MAX_6, 6));
it87_write_value(client, IT87_REG_VIN_MIN(7),
IN_TO_REG(IT87_INIT_IN_MIN_7, 7));
it87_write_value(client, IT87_REG_VIN_MAX(7),
IN_TO_REG(IT87_INIT_IN_MAX_7, 7));
/* Note: Battery voltage does not have limit registers */
it87_write_value(client, IT87_REG_FAN_MIN(1),
FAN_TO_REG(IT87_INIT_FAN_MIN_1, 2));
it87_write_value(client, IT87_REG_FAN_MIN(2),
FAN_TO_REG(IT87_INIT_FAN_MIN_2, 2));
it87_write_value(client, IT87_REG_FAN_MIN(3),
FAN_TO_REG(IT87_INIT_FAN_MIN_3, 2));
it87_write_value(client, IT87_REG_TEMP_HIGH(1),
TEMP_TO_REG(IT87_INIT_TEMP_HIGH_1));
it87_write_value(client, IT87_REG_TEMP_LOW(1),
TEMP_TO_REG(IT87_INIT_TEMP_LOW_1));
it87_write_value(client, IT87_REG_TEMP_HIGH(2),
TEMP_TO_REG(IT87_INIT_TEMP_HIGH_2));
it87_write_value(client, IT87_REG_TEMP_LOW(2),
TEMP_TO_REG(IT87_INIT_TEMP_LOW_2));
it87_write_value(client, IT87_REG_TEMP_HIGH(3),
TEMP_TO_REG(IT87_INIT_TEMP_HIGH_3));
it87_write_value(client, IT87_REG_TEMP_LOW(3),
TEMP_TO_REG(IT87_INIT_TEMP_LOW_3));
/* Enable voltage monitors */
it87_write_value(client, IT87_REG_VIN_ENABLE, 0xff);
/* Enable Temp1-Temp3 */
it87_write_value(client, IT87_REG_TEMP_ENABLE,
(it87_read_value(client, IT87_REG_TEMP_ENABLE) & 0xc0)
| (temp_type & 0x3f));
/* Enable fans */
it87_write_value(client, IT87_REG_FAN_CTRL,
(it87_read_value(client, IT87_REG_FAN_CTRL) & 0x8f)
| 0x70);
/* Start monitoring */
it87_write_value(client, IT87_REG_CONFIG,
(it87_read_value(client, IT87_REG_CONFIG) & 0xb7)
| (update_vbat ? 0x41 : 0x01));
}
static void it87_update_client(struct i2c_client *client)
{
struct it87_data *data = i2c_get_clientdata(client);
int i;
down(&data->update_lock);
if ((jiffies - data->last_updated > HZ + HZ / 2) ||
(jiffies < data->last_updated) || !data->valid) {
if (update_vbat) {
/* Cleared after each update, so reenable. Value
returned by this read will be previous value */
it87_write_value(client, IT87_REG_CONFIG,
it87_read_value(client, IT87_REG_CONFIG) | 0x40);
}
for (i = 0; i <= 7; i++) {
data->in[i] =
it87_read_value(client, IT87_REG_VIN(i));
data->in_min[i] =
it87_read_value(client, IT87_REG_VIN_MIN(i));
data->in_max[i] =
it87_read_value(client, IT87_REG_VIN_MAX(i));
}
data->in[8] =
it87_read_value(client, IT87_REG_VIN(8));
/* Temperature sensor doesn't have limit registers, set
to min and max value */
data->in_min[8] = 0;
data->in_max[8] = 255;
for (i = 1; i <= 3; i++) {
data->fan[i - 1] =
it87_read_value(client, IT87_REG_FAN(i));
data->fan_min[i - 1] =
it87_read_value(client, IT87_REG_FAN_MIN(i));
}
for (i = 1; i <= 3; i++) {
data->temp[i - 1] =
it87_read_value(client, IT87_REG_TEMP(i));
data->temp_high[i - 1] =
it87_read_value(client, IT87_REG_TEMP_HIGH(i));
data->temp_low[i - 1] =
it87_read_value(client, IT87_REG_TEMP_LOW(i));
}
/* The 8705 does not have VID capability */
/*if (data->type == it8712) {
data->vid = it87_read_value(client, IT87_REG_VID);
data->vid &= 0x1f;
}
else */ {
data->vid = 0x1f;
}
i = it87_read_value(client, IT87_REG_FAN_DIV);
data->fan_div[0] = i & 0x07;
data->fan_div[1] = (i >> 3) & 0x07;
data->fan_div[2] = 1;
data->alarms =
it87_read_value(client, IT87_REG_ALARM1) |
(it87_read_value(client, IT87_REG_ALARM2) << 8) |
(it87_read_value(client, IT87_REG_ALARM3) << 16);
data->last_updated = jiffies;
data->valid = 1;
}
up(&data->update_lock);
}
static int __init sm_it87_init(void)
{
return i2c_add_driver(&it87_driver);
}
static void __exit sm_it87_exit(void)
{
i2c_del_driver(&it87_driver);
}
MODULE_AUTHOR("Chris Gauthron <chrisg@0-in.com>");
MODULE_DESCRIPTION("IT8705F, IT8712F, Sis950 driver");
MODULE_PARM(update_vbat, "i");
MODULE_PARM_DESC(update_vbat, "Update vbat if set else return powerup value");
MODULE_PARM(temp_type, "i");
MODULE_PARM_DESC(temp_type, "Temperature sensor type, normally leave unset");
MODULE_LICENSE("GPL");
module_init(sm_it87_init);
module_exit(sm_it87_exit);
drivers/i2c/chips/lm75.c
View file @ 533fa454
......@@ -28,10 +28,10 @@
/* Addresses to scan */
static unsigned short normal_i2c[] = { SENSORS_I2C_END };
static unsigned short normal_i2c_range[] = { 0x48, 0x4f, SENSORS_I2C_END };
static unsigned int normal_isa[] = { SENSORS_ISA_END };
static unsigned int normal_isa_range[] = { SENSORS_ISA_END };
static unsigned short normal_i2c[] = { I2C_CLIENT_END };
static unsigned short normal_i2c_range[] = { 0x48, 0x4f, I2C_CLIENT_END };
static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
SENSORS_INSMOD_1(lm75);
......
drivers/i2c/chips/via686a.c
View file @ 533fa454
......@@ -51,10 +51,10 @@ MODULE_PARM_DESC(force_addr,
/* Addresses to scan.
Note that we can't determine the ISA address until we have initialized
our module */
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 unsigned short normal_i2c[] = { I2C_CLIENT_END };
static unsigned short normal_i2c_range[] = { I2C_CLIENT_END };
static unsigned int normal_isa[] = { 0x0000, I2C_CLIENT_ISA_END };
static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
SENSORS_INSMOD_1(via686a);
......
drivers/i2c/chips/w83781d.c
View file @ 533fa454
......@@ -46,14 +46,14 @@
#define W83781D_RT 1
/* Addresses to scan */
static unsigned short normal_i2c[] = { SENSORS_I2C_END };
static unsigned short normal_i2c_range[] = { 0x20, 0x2f, SENSORS_I2C_END };
static unsigned int normal_isa[] = { 0x0290, SENSORS_ISA_END };
static unsigned int normal_isa_range[] = { SENSORS_ISA_END };
static unsigned short normal_i2c[] = { I2C_CLIENT_END };
static unsigned short normal_i2c_range[] = { 0x20, 0x2f, I2C_CLIENT_END };
static unsigned int normal_isa[] = { 0x0290, I2C_CLIENT_ISA_END };
static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END };
/* Insmod parameters */
SENSORS_INSMOD_6(w83781d, w83782d, w83783s, w83627hf, as99127f, w83697hf);
SENSORS_MODULE_PARM(force_subclients, "List of subclient addresses: "
I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: "
"{bus, clientaddr, subclientaddr1, subclientaddr2}");
static int init = 1;
......
drivers/i2c/i2c-core.c
View file @ 533fa454
......@@ -618,8 +618,8 @@ int i2c_control(struct i2c_client *client,
* ----------------------------------------------------
*/
int i2c_probe(struct i2c_adapter *adapter,
struct i2c_client_address_data *address_data,
i2c_client_found_addr_proc *found_proc)
struct i2c_client_address_data *address_data,
int (*found_proc) (struct i2c_adapter *, int, int))
{
int addr,i,found,err;
int adap_id = i2c_adapter_id(adapter);
......@@ -644,7 +644,7 @@ int i2c_probe(struct i2c_adapter *adapter,
(addr == address_data->force[i+1])) {
DEB2(printk(KERN_DEBUG "i2c-core.o: found force parameter for adapter %d, addr %04x\n",
adap_id,addr));
if ((err = found_proc(adapter,addr,0,0)))
if ((err = found_proc(adapter,addr,0)))
return err;
found = 1;
}
......@@ -732,7 +732,7 @@ int i2c_probe(struct i2c_adapter *adapter,
/* OK, so we really should examine this address. First check
whether there is some client here at all! */
if (i2c_smbus_xfer(adapter,addr,0,0,0,I2C_SMBUS_QUICK,NULL) >= 0)
if ((err = found_proc(adapter,addr,0,-1)))
if ((err = found_proc(adapter,addr,-1)))
return err;
}
return 0;
......
drivers/i2c/i2c-sensor.c
View file @ 533fa454
......@@ -35,14 +35,14 @@
/* Very inefficient for ISA detects, and won't work for 10-bit addresses! */
int i2c_detect(struct i2c_adapter *adapter,
struct i2c_address_data *address_data,
i2c_found_addr_proc * found_proc)
struct i2c_address_data *address_data,
int (*found_proc) (struct i2c_adapter *, int, int))
{
int addr, i, found, j, err;
struct i2c_force_data *this_force;
int is_isa = i2c_is_isa_adapter(adapter);
int adapter_id =
is_isa ? SENSORS_ISA_BUS : i2c_adapter_id(adapter);
is_isa ? ANY_I2C_ISA_BUS : i2c_adapter_id(adapter);
/* Forget it if we can't probe using SMBUS_QUICK */
if ((!is_isa) &&
......@@ -59,9 +59,9 @@ int i2c_detect(struct i2c_adapter *adapter,
detection at all */
found = 0;
for (i = 0; !found && (this_force = address_data->forces + i, this_force->force); i++) {
for (j = 0; !found && (this_force->force[j] != SENSORS_I2C_END); j += 2) {
for (j = 0; !found && (this_force->force[j] != I2C_CLIENT_END); j += 2) {
if ( ((adapter_id == this_force->force[j]) ||
((this_force->force[j] == SENSORS_ANY_I2C_BUS) && !is_isa)) &&
((this_force->force[j] == ANY_I2C_BUS) && !is_isa)) &&
(addr == this_force->force[j + 1]) ) {
dev_dbg(&adapter->dev, "found force parameter for adapter %d, addr %04x\n", adapter_id, addr);
if ((err = found_proc(adapter, addr, this_force->kind)))
......@@ -75,18 +75,18 @@ int i2c_detect(struct i2c_adapter *adapter,
/* If this address is in one of the ignores, we can forget about it
right now */
for (i = 0; !found && (address_data->ignore[i] != SENSORS_I2C_END); i += 2) {
for (i = 0; !found && (address_data->ignore[i] != I2C_CLIENT_END); i += 2) {
if ( ((adapter_id == address_data->ignore[i]) ||
((address_data->ignore[i] == SENSORS_ANY_I2C_BUS) &&
((address_data->ignore[i] == ANY_I2C_BUS) &&
!is_isa)) &&
(addr == address_data->ignore[i + 1])) {
dev_dbg(&adapter->dev, "found ignore parameter for adapter %d, addr %04x\n", adapter_id, addr);
found = 1;
}
}
for (i = 0; !found && (address_data->ignore_range[i] != SENSORS_I2C_END); i += 3) {
for (i = 0; !found && (address_data->ignore_range[i] != I2C_CLIENT_END); i += 3) {
if ( ((adapter_id == address_data->ignore_range[i]) ||
((address_data-> ignore_range[i] == SENSORS_ANY_I2C_BUS) &
((address_data-> ignore_range[i] == ANY_I2C_BUS) &
!is_isa)) &&
(addr >= address_data->ignore_range[i + 1]) &&
(addr <= address_data->ignore_range[i + 2])) {
......@@ -100,13 +100,13 @@ int i2c_detect(struct i2c_adapter *adapter,
/* Now, we will do a detection, but only if it is in the normal or
probe entries */
if (is_isa) {
for (i = 0; !found && (address_data->normal_isa[i] != SENSORS_ISA_END); i += 1) {
for (i = 0; !found && (address_data->normal_isa[i] != I2C_CLIENT_ISA_END); i += 1) {
if (addr == address_data->normal_isa[i]) {
dev_dbg(&adapter->dev, "found normal isa entry for adapter %d, addr %04x\n", adapter_id, addr);
found = 1;
}
}
for (i = 0; !found && (address_data->normal_isa_range[i] != SENSORS_ISA_END); i += 3) {
for (i = 0; !found && (address_data->normal_isa_range[i] != I2C_CLIENT_ISA_END); i += 3) {
if ((addr >= address_data->normal_isa_range[i]) &&
(addr <= address_data->normal_isa_range[i + 1]) &&
((addr - address_data->normal_isa_range[i]) % address_data->normal_isa_range[i + 2] == 0)) {
......@@ -115,13 +115,13 @@ int i2c_detect(struct i2c_adapter *adapter,
}
}
} else {
for (i = 0; !found && (address_data->normal_i2c[i] != SENSORS_I2C_END); i += 1) {
for (i = 0; !found && (address_data->normal_i2c[i] != I2C_CLIENT_END); i += 1) {
if (addr == address_data->normal_i2c[i]) {
found = 1;
dev_dbg(&adapter->dev, "found normal i2c entry for adapter %d, addr %02x", adapter_id, addr);
}
}
for (i = 0; !found && (address_data->normal_i2c_range[i] != SENSORS_I2C_END); i += 2) {
for (i = 0; !found && (address_data->normal_i2c_range[i] != I2C_CLIENT_END); i += 2) {
if ((addr >= address_data->normal_i2c_range[i]) &&
(addr <= address_data->normal_i2c_range[i + 1])) {
dev_dbg(&adapter->dev, "found normal i2c_range entry for adapter %d, addr %04x\n", adapter_id, addr);
......@@ -131,19 +131,19 @@ int i2c_detect(struct i2c_adapter *adapter,
}
for (i = 0;
!found && (address_data->probe[i] != SENSORS_I2C_END);
!found && (address_data->probe[i] != I2C_CLIENT_END);
i += 2) {
if (((adapter_id == address_data->probe[i]) ||
((address_data->
probe[i] == SENSORS_ANY_I2C_BUS) & !is_isa))
probe[i] == ANY_I2C_BUS) & !is_isa))
&& (addr == address_data->probe[i + 1])) {
dev_dbg(&adapter->dev, "found probe parameter for adapter %d, addr %04x\n", adapter_id, addr);
found = 1;
}
}
for (i = 0; !found && (address_data->probe_range[i] != SENSORS_I2C_END); i += 3) {
for (i = 0; !found && (address_data->probe_range[i] != I2C_CLIENT_END); i += 3) {
if ( ((adapter_id == address_data->probe_range[i]) ||
((address_data->probe_range[i] == SENSORS_ANY_I2C_BUS) & !is_isa)) &&
((address_data->probe_range[i] == ANY_I2C_BUS) & !is_isa)) &&
(addr >= address_data->probe_range[i + 1]) &&
(addr <= address_data->probe_range[i + 2])) {
found = 1;
......@@ -163,20 +163,8 @@ int i2c_detect(struct i2c_adapter *adapter,
return 0;
}
static int __init i2c_sensor_init(void)
{
return 0;
}
static void __exit i2c_sensor_exit(void)
{
}
EXPORT_SYMBOL(i2c_detect);
MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>");
MODULE_DESCRIPTION("i2c-sensor driver");
MODULE_LICENSE("GPL");
module_init(i2c_sensor_init);
module_exit(i2c_sensor_exit);
drivers/media/video/msp3400.c
View file @ 533fa454
......@@ -1208,8 +1208,7 @@ static int msp3410d_thread(void *data)
/* ----------------------------------------------------------------------- */
static int msp_attach(struct i2c_adapter *adap, int addr,
unsigned short flags, int kind);
static int msp_attach(struct i2c_adapter *adap, int addr, int kind);
static int msp_detach(struct i2c_client *client);
static int msp_probe(struct i2c_adapter *adap);
static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg);
......@@ -1233,8 +1232,7 @@ static struct i2c_client client_template =
},
};
static int msp_attach(struct i2c_adapter *adap, int addr,
unsigned short flags, int kind)
static int msp_attach(struct i2c_adapter *adap, int addr, int kind)
{
DECLARE_MUTEX_LOCKED(sem);
struct msp3400c *msp;
......
drivers/media/video/saa5249.c
View file @ 533fa454
......@@ -149,7 +149,7 @@ static struct i2c_client_address_data addr_data = {
static struct i2c_client client_template;
static int saa5249_attach(struct i2c_adapter *adap, int addr, unsigned short flags, int kind)
static int saa5249_attach(struct i2c_adapter *adap, int addr, int kind)
{
int pgbuf;
int err;
......
drivers/media/video/saa7111.c
View file @ 533fa454
......@@ -66,7 +66,7 @@ static struct i2c_client client_template;
/* ----------------------------------------------------------------------- */
static int saa7111_attach(struct i2c_adapter *adap, int addr, unsigned short flags, int kind)
static int saa7111_attach(struct i2c_adapter *adap, int addr, int kind)
{
int i;
struct saa7111 *decoder;
......
drivers/media/video/tda7432.c
View file @ 533fa454
......@@ -312,8 +312,7 @@ static void do_tda7432_init(struct i2c_client *client)
* i2c interface functions *
* *********************** */
static int tda7432_attach(struct i2c_adapter *adap, int addr,
unsigned short flags, int kind)
static int tda7432_attach(struct i2c_adapter *adap, int addr, int kind)
{
struct tda7432 *t;
struct i2c_client *client;
......
drivers/media/video/tda9840.c
View file @ 533fa454
......@@ -178,7 +178,7 @@ static int tda9840_command(struct i2c_client *client, unsigned int cmd, void* ar
return 0;
}
static int tda9840_detect(struct i2c_adapter *adapter, int address, unsigned short flags, int kind)
static int tda9840_detect(struct i2c_adapter *adapter, int address, int kind)
{
struct i2c_client *client;
int result = 0;
......
drivers/media/video/tda9875.c
View file @ 533fa454
......@@ -240,8 +240,7 @@ static int tda9875_checkit(struct i2c_adapter *adap, int addr)
return(0);
}
static int tda9875_attach(struct i2c_adapter *adap, int addr,
unsigned short flags, int kind)
static int tda9875_attach(struct i2c_adapter *adap, int addr, int kind)
{
struct tda9875 *t;
struct i2c_client *client;
......
drivers/media/video/tda9887.c
View file @ 533fa454
......@@ -345,8 +345,7 @@ static int tda9887_configure(struct tda9887 *t)
/* ---------------------------------------------------------------------- */
static int tda9887_attach(struct i2c_adapter *adap, int addr,
unsigned short flags, int kind)
static int tda9887_attach(struct i2c_adapter *adap, int addr, int kind)
{
struct tda9887 *t;
......
drivers/media/video/tea6415c.c
View file @ 533fa454
......@@ -55,7 +55,7 @@ static struct i2c_driver driver;
static int tea6415c_id = 0;
/* this function is called by i2c_probe */
static int tea6415c_detect(struct i2c_adapter *adapter, int address, unsigned short flags, int kind)
static int tea6415c_detect(struct i2c_adapter *adapter, int address, int kind)
{
struct i2c_client *client = 0;
int err = 0;
......
drivers/media/video/tea6420.c
View file @ 533fa454
......@@ -95,7 +95,7 @@ static int tea6420_switch(struct i2c_client *client, int i, int o, int g)
}
/* this function is called by i2c_probe */
static int tea6420_detect(struct i2c_adapter *adapter, int address, unsigned short flags, int kind)
static int tea6420_detect(struct i2c_adapter *adapter, int address, int kind)
{
struct i2c_client *client;
int err = 0, i = 0;
......
drivers/media/video/tuner-3036.c
View file @ 533fa454
......@@ -114,8 +114,7 @@ set_tv_freq(struct i2c_client *c, int freq)
/* ---------------------------------------------------------------------- */
static int
tuner_attach(struct i2c_adapter *adap, int addr,
unsigned short flags, int kind)
tuner_attach(struct i2c_adapter *adap, int addr, int kind)
{
static unsigned char buffer[] = { 0x29, 0x32, 0x2a, 0, 0x2b, 0 };
......
drivers/media/video/tuner.c
View file @ 533fa454
......@@ -776,8 +776,7 @@ static void set_radio_freq(struct i2c_client *c, int freq)
/* ---------------------------------------------------------------------- */
static int tuner_attach(struct i2c_adapter *adap, int addr,
unsigned short flags, int kind)
static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
{
struct tuner *t;
struct i2c_client *client;
......
drivers/media/video/tvaudio.c
View file @ 533fa454
......@@ -1326,8 +1326,7 @@ static struct CHIPDESC chiplist[] = {
/* ---------------------------------------------------------------------- */
/* i2c registration */
static int chip_attach(struct i2c_adapter *adap, int addr,
unsigned short flags, int kind)
static int chip_attach(struct i2c_adapter *adap, int addr, int kind)
{
struct CHIPSTATE *chip;
struct CHIPDESC *desc;
......
include/linux/i2c-sensor.h
View file @ 533fa454
......@@ -22,18 +22,6 @@
#ifndef _LINUX_I2C_SENSOR_H
#define _LINUX_I2C_SENSOR_H
#include <linux/sysctl.h>
/* The type of callback functions used in sensors_{proc,sysctl}_real */
typedef void (*i2c_real_callback) (struct i2c_client * client,
int operation, int ctl_name,
int *nrels_mag, long *results);
/* Values for the operation field in the above function type */
#define SENSORS_PROC_REAL_INFO 1
#define SENSORS_PROC_REAL_READ 2
#define SENSORS_PROC_REAL_WRITE 3
/* A structure containing detect information.
Force variables overrule all other variables; they force a detection on
that place. If a specific chip is given, the module blindly assumes this
......@@ -41,8 +29,8 @@ typedef void (*i2c_real_callback) (struct i2c_client * client,
will still try to figure out what type of chip is present. This is useful
if for some reasons the detect for SMBus or ISA address space filled
fails.
probe: insmod parameter. Initialize this list with SENSORS_I2C_END values.
A list of pairs. The first value is a bus number (SENSORS_ISA_BUS for
probe: insmod parameter. Initialize this list with I2C_CLIENT_ISA_END values.
A list of pairs. The first value is a bus number (ANY_I2C_ISA_BUS for
the ISA bus, -1 for any I2C bus), the second is the address.
kind: The kind of chip. 0 equals any chip.
*/
......@@ -52,10 +40,10 @@ struct i2c_force_data {
};
/* A structure containing the detect information.
normal_i2c: filled in by the module writer. Terminated by SENSORS_I2C_END.
normal_i2c: filled in by the module writer. Terminated by I2C_CLIENT_ISA_END.
A list of I2C addresses which should normally be examined.
normal_i2c_range: filled in by the module writer. Terminated by
SENSORS_I2C_END
I2C_CLIENT_ISA_END
A list of pairs of I2C addresses, each pair being an inclusive range of
addresses which should normally be examined.
normal_isa: filled in by the module writer. Terminated by SENSORS_ISA_END.
......@@ -66,24 +54,24 @@ struct i2c_force_data {
range of addresses which should normally be examined. The third is the
modulo parameter: only addresses which are 0 module this value relative
to the first address of the range are actually considered.
probe: insmod parameter. Initialize this list with SENSORS_I2C_END values.
A list of pairs. The first value is a bus number (SENSORS_ISA_BUS for
probe: insmod parameter. Initialize this list with I2C_CLIENT_ISA_END values.
A list of pairs. The first value is a bus number (ANY_I2C_ISA_BUS for
the ISA bus, -1 for any I2C bus), the second is the address. These
addresses are also probed, as if they were in the 'normal' list.
probe_range: insmod parameter. Initialize this list with SENSORS_I2C_END
probe_range: insmod parameter. Initialize this list with I2C_CLIENT_ISA_END
values.
A list of triples. The first value is a bus number (SENSORS_ISA_BUS for
A list of triples. The first value is a bus number (ANY_I2C_ISA_BUS for
the ISA bus, -1 for any I2C bus), the second and third are addresses.
These form an inclusive range of addresses that are also probed, as
if they were in the 'normal' list.
ignore: insmod parameter. Initialize this list with SENSORS_I2C_END values.
A list of pairs. The first value is a bus number (SENSORS_ISA_BUS for
ignore: insmod parameter. Initialize this list with I2C_CLIENT_ISA_END values.
A list of pairs. The first value is a bus number (ANY_I2C_ISA_BUS for
the ISA bus, -1 for any I2C bus), the second is the I2C address. These
addresses are never probed. This parameter overrules 'normal' and
'probe', but not the 'force' lists.
ignore_range: insmod parameter. Initialize this list with SENSORS_I2C_END
ignore_range: insmod parameter. Initialize this list with I2C_CLIENT_ISA_END
values.
A list of triples. The first value is a bus number (SENSORS_ISA_BUS for
A list of triples. The first value is a bus number (ANY_I2C_ISA_BUS for
the ISA bus, -1 for any I2C bus), the second and third are addresses.
These form an inclusive range of I2C addresses that are never probed.
This parameter overrules 'normal' and 'probe', but not the 'force' lists.
......@@ -102,74 +90,35 @@ struct i2c_address_data {
struct i2c_force_data *forces;
};
/* Internal numbers to terminate lists */
#define SENSORS_I2C_END 0xfffe
#define SENSORS_ISA_END 0xfffefffe
/* The numbers to use to set an ISA or I2C bus address */
#define SENSORS_ISA_BUS 9191
#define SENSORS_ANY_I2C_BUS 0xffff
/* The length of the option lists */
#define SENSORS_MAX_OPTS 48
/* Default fill of many variables */
#define SENSORS_DEFAULTS {SENSORS_I2C_END, SENSORS_I2C_END, SENSORS_I2C_END, \
SENSORS_I2C_END, SENSORS_I2C_END, SENSORS_I2C_END, \
SENSORS_I2C_END, SENSORS_I2C_END, SENSORS_I2C_END, \
SENSORS_I2C_END, SENSORS_I2C_END, SENSORS_I2C_END, \
SENSORS_I2C_END, SENSORS_I2C_END, SENSORS_I2C_END, \
SENSORS_I2C_END, SENSORS_I2C_END, SENSORS_I2C_END, \
SENSORS_I2C_END, SENSORS_I2C_END, SENSORS_I2C_END, \
SENSORS_I2C_END, SENSORS_I2C_END, SENSORS_I2C_END, \
SENSORS_I2C_END, SENSORS_I2C_END, SENSORS_I2C_END, \
SENSORS_I2C_END, SENSORS_I2C_END, SENSORS_I2C_END, \
SENSORS_I2C_END, SENSORS_I2C_END, SENSORS_I2C_END, \
SENSORS_I2C_END, SENSORS_I2C_END, SENSORS_I2C_END, \
SENSORS_I2C_END, SENSORS_I2C_END, SENSORS_I2C_END, \
SENSORS_I2C_END, SENSORS_I2C_END, SENSORS_I2C_END, \
SENSORS_I2C_END, SENSORS_I2C_END, SENSORS_I2C_END, \
SENSORS_I2C_END, SENSORS_I2C_END, SENSORS_I2C_END}
/* This is ugly. We need to evaluate SENSORS_MAX_OPTS before it is
stringified */
#define SENSORS_MODPARM_AUX1(x) "1-" #x "h"
#define SENSORS_MODPARM_AUX(x) SENSORS_MODPARM_AUX1(x)
#define SENSORS_MODPARM SENSORS_MODPARM_AUX(SENSORS_MAX_OPTS)
/* SENSORS_MODULE_PARM creates a module parameter, and puts it in the
module header */
#define SENSORS_MODULE_PARM(var,desc) \
static unsigned short var[SENSORS_MAX_OPTS] = SENSORS_DEFAULTS; \
MODULE_PARM(var,SENSORS_MODPARM); \
MODULE_PARM_DESC(var,desc)
/* SENSORS_MODULE_PARM creates a 'force_*' module parameter, and puts it in
the module header */
#define SENSORS_MODULE_PARM_FORCE(name) \
SENSORS_MODULE_PARM(force_ ## name, \
I2C_CLIENT_MODULE_PARM(force_ ## name, \
"List of adapter,address pairs which are unquestionably" \
" assumed to contain a `" # name "' chip")
/* This defines several insmod variables, and the addr_data structure */
#define SENSORS_INSMOD \
SENSORS_MODULE_PARM(probe, \
I2C_CLIENT_MODULE_PARM(probe, \
"List of adapter,address pairs to scan additionally"); \
SENSORS_MODULE_PARM(probe_range, \
I2C_CLIENT_MODULE_PARM(probe_range, \
"List of adapter,start-addr,end-addr triples to scan " \
"additionally"); \
SENSORS_MODULE_PARM(ignore, \
I2C_CLIENT_MODULE_PARM(ignore, \
"List of adapter,address pairs not to scan"); \
SENSORS_MODULE_PARM(ignore_range, \
I2C_CLIENT_MODULE_PARM(ignore_range, \
"List of adapter,start-addr,end-addr triples not to " \
"scan"); \
static struct i2c_address_data addr_data = \
{normal_i2c, normal_i2c_range, \
normal_isa, normal_isa_range, \
probe, probe_range, \
ignore, ignore_range, \
forces}
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 = probe, \
.probe_range = probe_range, \
.ignore = ignore, \
.ignore_range = ignore_range, \
.forces = forces, \
}
/* The following functions create an enum with the chip names as elements.
The first element of the enum is any_chip. These are the only macros
......@@ -177,7 +126,7 @@ struct i2c_address_data {
#define SENSORS_INSMOD_0 \
enum chips { any_chip }; \
SENSORS_MODULE_PARM(force, \
I2C_CLIENT_MODULE_PARM(force, \
"List of adapter,address pairs to boldly assume " \
"to be present"); \
static struct i2c_force_data forces[] = {{force,any_chip},{NULL}}; \
......@@ -185,7 +134,7 @@ struct i2c_address_data {
#define SENSORS_INSMOD_1(chip1) \
enum chips { any_chip, chip1 }; \
SENSORS_MODULE_PARM(force, \
I2C_CLIENT_MODULE_PARM(force, \
"List of adapter,address pairs to boldly assume " \
"to be present"); \
SENSORS_MODULE_PARM_FORCE(chip1); \
......@@ -196,7 +145,7 @@ struct i2c_address_data {
#define SENSORS_INSMOD_2(chip1,chip2) \
enum chips { any_chip, chip1, chip2 }; \
SENSORS_MODULE_PARM(force, \
I2C_CLIENT_MODULE_PARM(force, \
"List of adapter,address pairs to boldly assume " \
"to be present"); \
SENSORS_MODULE_PARM_FORCE(chip1); \
......@@ -209,7 +158,7 @@ struct i2c_address_data {
#define SENSORS_INSMOD_3(chip1,chip2,chip3) \
enum chips { any_chip, chip1, chip2, chip3 }; \
SENSORS_MODULE_PARM(force, \
I2C_CLIENT_MODULE_PARM(force, \
"List of adapter,address pairs to boldly assume " \
"to be present"); \
SENSORS_MODULE_PARM_FORCE(chip1); \
......@@ -224,7 +173,7 @@ struct i2c_address_data {
#define SENSORS_INSMOD_4(chip1,chip2,chip3,chip4) \
enum chips { any_chip, chip1, chip2, chip3, chip4 }; \
SENSORS_MODULE_PARM(force, \
I2C_CLIENT_MODULE_PARM(force, \
"List of adapter,address pairs to boldly assume " \
"to be present"); \
SENSORS_MODULE_PARM_FORCE(chip1); \
......@@ -241,7 +190,7 @@ struct i2c_address_data {
#define SENSORS_INSMOD_5(chip1,chip2,chip3,chip4,chip5) \
enum chips { any_chip, chip1, chip2, chip3, chip4, chip5 }; \
SENSORS_MODULE_PARM(force, \
I2C_CLIENT_MODULE_PARM(force, \
"List of adapter,address pairs to boldly assume " \
"to be present"); \
SENSORS_MODULE_PARM_FORCE(chip1); \
......@@ -260,7 +209,7 @@ struct i2c_address_data {
#define SENSORS_INSMOD_6(chip1,chip2,chip3,chip4,chip5,chip6) \
enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6 }; \
SENSORS_MODULE_PARM(force, \
I2C_CLIENT_MODULE_PARM(force, \
"List of adapter,address pairs to boldly assume " \
"to be present"); \
SENSORS_MODULE_PARM_FORCE(chip1); \
......@@ -281,7 +230,7 @@ struct i2c_address_data {
#define SENSORS_INSMOD_7(chip1,chip2,chip3,chip4,chip5,chip6,chip7) \
enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, chip7 }; \
SENSORS_MODULE_PARM(force, \
I2C_CLIENT_MODULE_PARM(force, \
"List of adapter,address pairs to boldly assume " \
"to be present"); \
SENSORS_MODULE_PARM_FORCE(chip1); \
......@@ -304,7 +253,7 @@ struct i2c_address_data {
#define SENSORS_INSMOD_8(chip1,chip2,chip3,chip4,chip5,chip6,chip7,chip8) \
enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, chip7, chip8 }; \
SENSORS_MODULE_PARM(force, \
I2C_CLIENT_MODULE_PARM(force, \
"List of adapter,address pairs to boldly assume " \
"to be present"); \
SENSORS_MODULE_PARM_FORCE(chip1); \
......@@ -327,16 +276,13 @@ struct i2c_address_data {
{NULL}}; \
SENSORS_INSMOD
typedef int i2c_found_addr_proc(struct i2c_adapter *adapter,
int addr, int kind);
/* Detect function. It iterates over all possible addresses itself. For
SMBus addresses, it will only call found_proc if some client is connected
to the SMBus (unless a 'force' matched); for ISA detections, this is not
done. */
extern int i2c_detect(struct i2c_adapter *adapter,
struct i2c_address_data *address_data,
i2c_found_addr_proc * found_proc);
struct i2c_address_data *address_data,
int (*found_proc) (struct i2c_adapter *, int, int));
/* This macro is used to scale user-input to sensible values in almost all
......@@ -350,24 +296,4 @@ static inline int SENSORS_LIMIT(long value, long low, long high)
else
return value;
}
/* The maximum length of the prefix */
#define SENSORS_PREFIX_MAX 20
/* Sysctl IDs */
#ifdef DEV_HWMON
#define DEV_SENSORS DEV_HWMON
#else /* ndef DEV_HWMOM */
#define DEV_SENSORS 2 /* The id of the lm_sensors directory within the
dev table */
#endif /* def DEV_HWMON */
#define SENSORS_CHIPS 1
struct i2c_chips_data {
int sysctl_id;
char name[SENSORS_PREFIX_MAX + 13];
};
#endif /* def _LINUX_I2C_SENSOR_H */
include/linux/i2c.h
View file @ 533fa454
......@@ -290,10 +290,12 @@ struct i2c_client_address_data {
};
/* Internal numbers to terminate lists */
#define I2C_CLIENT_END 0xfffe
#define I2C_CLIENT_END 0xfffe
#define I2C_CLIENT_ISA_END 0xfffefffe
/* The numbers to use to set I2C bus address */
#define ANY_I2C_BUS 0xffff
#define ANY_I2C_BUS 0xffff
#define ANY_I2C_ISA_BUS 9191
/* The length of the option lists */
#define I2C_CLIENT_MAX_OPTS 48
......@@ -338,12 +340,9 @@ extern int i2c_check_addr (struct i2c_adapter *adapter, int addr);
* It will only call found_proc if some client is connected at the
* specific address (unless a 'force' matched);
*/
typedef int i2c_client_found_addr_proc (struct i2c_adapter *adapter,
int addr, unsigned short flags,int kind);
extern int i2c_probe(struct i2c_adapter *adapter,
struct i2c_client_address_data *address_data,
i2c_client_found_addr_proc *found_proc);
int (*found_proc) (struct i2c_adapter *, int, int));
/* An ioctl like call to set div. parameters of the adapter.
*/
......@@ -559,11 +558,15 @@ union i2c_smbus_data {
I2C_CLIENT_MODULE_PARM(force, \
"List of adapter,address pairs to boldly assume " \
"to be present"); \
static struct i2c_client_address_data addr_data = \
{normal_i2c, normal_i2c_range, \
probe, probe_range, \
ignore, ignore_range, \
force}
static struct i2c_client_address_data addr_data = { \
.normal_i2c = normal_i2c, \
.normal_i2c_range = normal_i2c_range, \
.probe = probe, \
.probe_range = probe_range, \
.ignore = ignore, \
.ignore_range = ignore_range, \
.force = force, \
}
/* Detect whether we are on the isa bus. If this returns true, all i2c
access will fail! */
......
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