Copyright (c) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>,
Philip Edelbrock <phil@netroedge.com>,
and Mark Studebaker <mdsxyz123@yahoo.com>
- Copyright (c) 2007 Jean Delvare <khali@linux-fr.org>
+ Copyright (c) 2007 - 2008 Jean Delvare <khali@linux-fr.org>
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
#ifdef CONFIG_ISA
#include <linux/platform_device.h>
#include <linux/ioport.h>
-#include <asm/io.h>
+#include <linux/io.h>
#endif
#include "lm75.h"
0x2e, 0x2f, I2C_CLIENT_END };
/* Insmod parameters */
I2C_CLIENT_INSMOD_4(w83781d, w83782d, w83783s, as99127f);
-I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: "
+
+static unsigned short force_subclients[4];
+module_param_array(force_subclients, short, NULL, 0);
+MODULE_PARM_DESC(force_subclients, "List of subclient addresses: "
"{bus, clientaddr, subclientaddr1, subclientaddr2}");
static int reset;
return i;
}
-/* There are some complications in a module like this. First off, W83781D chips
- may be both present on the SMBus and the ISA bus, and we have to handle
- those cases separately at some places. Second, there might be several
- W83781D chips available (well, actually, that is probably never done; but
- it is a clean illustration of how to handle a case like that). Finally,
- a specific chip may be attached to *both* ISA and SMBus, and we would
- not like to detect it double. */
-
-/* For ISA chips, we abuse the i2c_client addr and name fields. We also use
- the driver field to differentiate between I2C and ISA chips. */
struct w83781d_data {
- struct i2c_client client;
+ struct i2c_client *client;
struct device *hwmon_dev;
struct mutex lock;
enum chips type;
+ /* For ISA device only */
+ const char *name;
+ int isa_addr;
+
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
static struct w83781d_data *w83781d_data_if_isa(void);
static int w83781d_alias_detect(struct i2c_client *client, u8 chipid);
-static int w83781d_attach_adapter(struct i2c_adapter *adapter);
-static int w83781d_detect(struct i2c_adapter *adapter, int address, int kind);
-static int w83781d_detach_client(struct i2c_client *client);
-
static int w83781d_read_value(struct w83781d_data *data, u16 reg);
static int w83781d_write_value(struct w83781d_data *data, u16 reg, u16 value);
static struct w83781d_data *w83781d_update_device(struct device *dev);
static void w83781d_init_device(struct device *dev);
-static struct i2c_driver w83781d_driver = {
- .driver = {
- .name = "w83781d",
- },
- .attach_adapter = w83781d_attach_adapter,
- .detach_client = w83781d_detach_client,
-};
-
/* following are the sysfs callback functions */
#define show_in_reg(reg) \
static ssize_t show_##reg (struct device *dev, struct device_attribute *da, \
static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO | S_IWUSR,
show_sensor, store_sensor, 2);
-/* This function is called when:
- * w83781d_driver is inserted (when this module is loaded), for each
- available adapter
- * when a new adapter is inserted (and w83781d_driver is still present)
- We block updates of the ISA device to minimize the risk of concurrent
- access to the same W83781D chip through different interfaces. */
-static int
-w83781d_attach_adapter(struct i2c_adapter *adapter)
-{
- struct w83781d_data *data = w83781d_data_if_isa();
- int err;
-
- if (!(adapter->class & I2C_CLASS_HWMON))
- return 0;
-
- if (data)
- mutex_lock(&data->update_lock);
- err = i2c_probe(adapter, &addr_data, w83781d_detect);
- if (data)
- mutex_unlock(&data->update_lock);
- return err;
-}
-
/* Assumes that adapter is of I2C, not ISA variety.
* OTHERWISE DON'T CALL THIS
*/
static int
-w83781d_detect_subclients(struct i2c_adapter *adapter, int address, int kind,
- struct i2c_client *new_client)
+w83781d_detect_subclients(struct i2c_client *new_client)
{
int i, val1 = 0, id;
int err;
- const char *client_name = "";
+ int address = new_client->addr;
+ unsigned short sc_addr[2];
+ struct i2c_adapter *adapter = new_client->adapter;
struct w83781d_data *data = i2c_get_clientdata(new_client);
-
- data->lm75[0] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (!(data->lm75[0])) {
- err = -ENOMEM;
- goto ERROR_SC_0;
- }
+ enum chips kind = data->type;
id = i2c_adapter_id(adapter);
w83781d_write_value(data, W83781D_REG_I2C_SUBADDR,
(force_subclients[2] & 0x07) |
((force_subclients[3] & 0x07) << 4));
- data->lm75[0]->addr = force_subclients[2];
+ sc_addr[0] = force_subclients[2];
} else {
val1 = w83781d_read_value(data, W83781D_REG_I2C_SUBADDR);
- data->lm75[0]->addr = 0x48 + (val1 & 0x07);
+ sc_addr[0] = 0x48 + (val1 & 0x07);
}
if (kind != w83783s) {
- data->lm75[1] = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
- if (!(data->lm75[1])) {
- err = -ENOMEM;
- goto ERROR_SC_1;
- }
-
if (force_subclients[0] == id &&
force_subclients[1] == address) {
- data->lm75[1]->addr = force_subclients[3];
+ sc_addr[1] = force_subclients[3];
} else {
- data->lm75[1]->addr = 0x48 + ((val1 >> 4) & 0x07);
+ sc_addr[1] = 0x48 + ((val1 >> 4) & 0x07);
}
- if (data->lm75[0]->addr == data->lm75[1]->addr) {
+ if (sc_addr[0] == sc_addr[1]) {
dev_err(&new_client->dev,
"Duplicate addresses 0x%x for subclients.\n",
- data->lm75[0]->addr);
+ sc_addr[0]);
err = -EBUSY;
goto ERROR_SC_2;
}
}
- if (kind == w83781d)
- client_name = "w83781d subclient";
- else if (kind == w83782d)
- client_name = "w83782d subclient";
- else if (kind == w83783s)
- client_name = "w83783s subclient";
- else if (kind == as99127f)
- client_name = "as99127f subclient";
-
for (i = 0; i <= 1; i++) {
- /* store all data in w83781d */
- i2c_set_clientdata(data->lm75[i], NULL);
- data->lm75[i]->adapter = adapter;
- data->lm75[i]->driver = &w83781d_driver;
- data->lm75[i]->flags = 0;
- strlcpy(data->lm75[i]->name, client_name,
- I2C_NAME_SIZE);
- if ((err = i2c_attach_client(data->lm75[i]))) {
+ data->lm75[i] = i2c_new_dummy(adapter, sc_addr[i]);
+ if (!data->lm75[i]) {
dev_err(&new_client->dev, "Subclient %d "
"registration at address 0x%x "
- "failed.\n", i, data->lm75[i]->addr);
+ "failed.\n", i, sc_addr[i]);
+ err = -ENOMEM;
if (i == 1)
goto ERROR_SC_3;
goto ERROR_SC_2;
/* Undo inits in case of errors */
ERROR_SC_3:
- i2c_detach_client(data->lm75[0]);
+ i2c_unregister_device(data->lm75[0]);
ERROR_SC_2:
- kfree(data->lm75[1]);
ERROR_SC_1:
- kfree(data->lm75[0]);
-ERROR_SC_0:
return err;
}
return 0;
}
+/* Return 0 if detection is successful, -ENODEV otherwise */
static int
-w83781d_detect(struct i2c_adapter *adapter, int address, int kind)
+w83781d_detect(struct i2c_client *client, int kind,
+ struct i2c_board_info *info)
{
- int val1 = 0, val2;
- struct i2c_client *client;
- struct device *dev;
- struct w83781d_data *data;
- int err;
- const char *client_name = "";
+ int val1, val2;
+ struct w83781d_data *isa = w83781d_data_if_isa();
+ struct i2c_adapter *adapter = client->adapter;
+ int address = client->addr;
+ const char *client_name;
enum vendor { winbond, asus } vendid;
- if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
- err = -EINVAL;
- goto ERROR1;
- }
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+ return -ENODEV;
- /* 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 w83781d_{read,write}_value. */
+ /* We block updates of the ISA device to minimize the risk of
+ concurrent access to the same W83781D chip through different
+ interfaces. */
+ if (isa)
+ mutex_lock(&isa->update_lock);
- if (!(data = kzalloc(sizeof(struct w83781d_data), GFP_KERNEL))) {
- err = -ENOMEM;
- goto ERROR1;
+ if (i2c_smbus_read_byte_data(client, W83781D_REG_CONFIG) & 0x80) {
+ dev_dbg(&adapter->dev,
+ "Detection of w83781d chip failed at step 3\n");
+ goto err_nodev;
}
- client = &data->client;
- i2c_set_clientdata(client, data);
- client->addr = address;
- mutex_init(&data->lock);
- client->adapter = adapter;
- client->driver = &w83781d_driver;
- dev = &client->dev;
-
- /* Now, we do the remaining detection. */
-
- /* The w8378?d may be stuck in some other bank than bank 0. This may
- make reading other information impossible. Specify a force=... or
- force_*=... parameter, and the Winbond will be reset to the right
- bank. */
- if (kind < 0) {
- if (w83781d_read_value(data, W83781D_REG_CONFIG) & 0x80) {
- dev_dbg(&adapter->dev, "Detection of w83781d chip "
- "failed at step 3\n");
- err = -ENODEV;
- goto ERROR2;
- }
- val1 = w83781d_read_value(data, W83781D_REG_BANK);
- val2 = w83781d_read_value(data, W83781D_REG_CHIPMAN);
- /* Check for Winbond or Asus ID if in bank 0 */
- if ((!(val1 & 0x07)) &&
- (((!(val1 & 0x80)) && (val2 != 0xa3) && (val2 != 0xc3))
- || ((val1 & 0x80) && (val2 != 0x5c) && (val2 != 0x12)))) {
- dev_dbg(&adapter->dev, "Detection of w83781d chip "
- "failed at step 4\n");
- err = -ENODEV;
- goto ERROR2;
- }
- /* If Winbond SMBus, check address at 0x48.
- Asus doesn't support, except for as99127f rev.2 */
- if ((!(val1 & 0x80) && (val2 == 0xa3)) ||
- ((val1 & 0x80) && (val2 == 0x5c))) {
- if (w83781d_read_value
- (data, W83781D_REG_I2C_ADDR) != address) {
- dev_dbg(&adapter->dev, "Detection of w83781d "
- "chip failed at step 5\n");
- err = -ENODEV;
- goto ERROR2;
- }
- }
+ val1 = i2c_smbus_read_byte_data(client, W83781D_REG_BANK);
+ val2 = i2c_smbus_read_byte_data(client, W83781D_REG_CHIPMAN);
+ /* Check for Winbond or Asus ID if in bank 0 */
+ if (!(val1 & 0x07) &&
+ ((!(val1 & 0x80) && val2 != 0xa3 && val2 != 0xc3) ||
+ ( (val1 & 0x80) && val2 != 0x5c && val2 != 0x12))) {
+ dev_dbg(&adapter->dev,
+ "Detection of w83781d chip failed at step 4\n");
+ goto err_nodev;
}
-
- /* We have either had a force parameter, or we have already detected the
- Winbond. Put it now into bank 0 and Vendor ID High Byte */
- w83781d_write_value(data, W83781D_REG_BANK,
- (w83781d_read_value(data, W83781D_REG_BANK)
- & 0x78) | 0x80);
-
- /* Determine the chip type. */
- if (kind <= 0) {
- /* get vendor ID */
- val2 = w83781d_read_value(data, W83781D_REG_CHIPMAN);
- if (val2 == 0x5c)
- vendid = winbond;
- else if (val2 == 0x12)
- vendid = asus;
- else {
- dev_dbg(&adapter->dev, "w83781d chip vendor is "
- "neither Winbond nor Asus\n");
- err = -ENODEV;
- goto ERROR2;
- }
-
- val1 = w83781d_read_value(data, W83781D_REG_WCHIPID);
- if ((val1 == 0x10 || val1 == 0x11) && vendid == winbond)
- kind = w83781d;
- else if (val1 == 0x30 && vendid == winbond)
- kind = w83782d;
- else if (val1 == 0x40 && vendid == winbond && address == 0x2d)
- kind = w83783s;
- else if (val1 == 0x31)
- kind = as99127f;
- else {
- if (kind == 0)
- dev_warn(&adapter->dev, "Ignoring 'force' "
- "parameter for unknown chip at "
- "address 0x%02x\n", address);
- err = -EINVAL;
- goto ERROR2;
+ /* If Winbond SMBus, check address at 0x48.
+ Asus doesn't support, except for as99127f rev.2 */
+ if ((!(val1 & 0x80) && val2 == 0xa3) ||
+ ( (val1 & 0x80) && val2 == 0x5c)) {
+ if (i2c_smbus_read_byte_data(client, W83781D_REG_I2C_ADDR)
+ != address) {
+ dev_dbg(&adapter->dev,
+ "Detection of w83781d chip failed at step 5\n");
+ goto err_nodev;
}
+ }
- if ((kind == w83781d || kind == w83782d)
- && w83781d_alias_detect(client, val1)) {
- dev_dbg(&adapter->dev, "Device at 0x%02x appears to "
- "be the same as ISA device\n", address);
- err = -ENODEV;
- goto ERROR2;
- }
+ /* Put it now into bank 0 and Vendor ID High Byte */
+ i2c_smbus_write_byte_data(client, W83781D_REG_BANK,
+ (i2c_smbus_read_byte_data(client, W83781D_REG_BANK)
+ & 0x78) | 0x80);
+
+ /* Get the vendor ID */
+ val2 = i2c_smbus_read_byte_data(client, W83781D_REG_CHIPMAN);
+ if (val2 == 0x5c)
+ vendid = winbond;
+ else if (val2 == 0x12)
+ vendid = asus;
+ else {
+ dev_dbg(&adapter->dev,
+ "w83781d chip vendor is neither Winbond nor Asus\n");
+ goto err_nodev;
}
- if (kind == w83781d) {
+ /* Determine the chip type. */
+ val1 = i2c_smbus_read_byte_data(client, W83781D_REG_WCHIPID);
+ if ((val1 == 0x10 || val1 == 0x11) && vendid == winbond)
client_name = "w83781d";
- } else if (kind == w83782d) {
+ else if (val1 == 0x30 && vendid == winbond)
client_name = "w83782d";
- } else if (kind == w83783s) {
+ else if (val1 == 0x40 && vendid == winbond && address == 0x2d)
client_name = "w83783s";
- } else if (kind == as99127f) {
+ else if (val1 == 0x31)
client_name = "as99127f";
+ else
+ goto err_nodev;
+
+ if (val1 <= 0x30 && w83781d_alias_detect(client, val1)) {
+ dev_dbg(&adapter->dev, "Device at 0x%02x appears to "
+ "be the same as ISA device\n", address);
+ goto err_nodev;
}
- /* Fill in the remaining client fields and put into the global list */
- strlcpy(client->name, client_name, I2C_NAME_SIZE);
- data->type = kind;
+ if (isa)
+ mutex_unlock(&isa->update_lock);
+
+ strlcpy(info->type, client_name, I2C_NAME_SIZE);
- /* Tell the I2C layer a new client has arrived */
- if ((err = i2c_attach_client(client)))
- goto ERROR2;
+ return 0;
+
+ err_nodev:
+ if (isa)
+ mutex_unlock(&isa->update_lock);
+ return -ENODEV;
+}
+
+static int
+w83781d_probe(struct i2c_client *client, const struct i2c_device_id *id)
+{
+ struct device *dev = &client->dev;
+ struct w83781d_data *data;
+ int err;
+
+ data = kzalloc(sizeof(struct w83781d_data), GFP_KERNEL);
+ if (!data) {
+ err = -ENOMEM;
+ goto ERROR1;
+ }
+
+ i2c_set_clientdata(client, data);
+ mutex_init(&data->lock);
+ mutex_init(&data->update_lock);
+
+ data->type = id->driver_data;
+ data->client = client;
/* attach secondary i2c lm75-like clients */
- if ((err = w83781d_detect_subclients(adapter, address,
- kind, client)))
+ err = w83781d_detect_subclients(client);
+ if (err)
goto ERROR3;
/* Initialize the chip */
w83781d_init_device(dev);
/* Register sysfs hooks */
- err = w83781d_create_files(dev, kind, 0);
+ err = w83781d_create_files(dev, data->type, 0);
if (err)
goto ERROR4;
sysfs_remove_group(&dev->kobj, &w83781d_group);
sysfs_remove_group(&dev->kobj, &w83781d_group_opt);
- if (data->lm75[1]) {
- i2c_detach_client(data->lm75[1]);
- kfree(data->lm75[1]);
- }
- if (data->lm75[0]) {
- i2c_detach_client(data->lm75[0]);
- kfree(data->lm75[0]);
- }
+ if (data->lm75[0])
+ i2c_unregister_device(data->lm75[0]);
+ if (data->lm75[1])
+ i2c_unregister_device(data->lm75[1]);
ERROR3:
- i2c_detach_client(client);
-ERROR2:
+ i2c_set_clientdata(client, NULL);
kfree(data);
ERROR1:
return err;
}
static int
-w83781d_detach_client(struct i2c_client *client)
+w83781d_remove(struct i2c_client *client)
{
struct w83781d_data *data = i2c_get_clientdata(client);
- int err;
+ struct device *dev = &client->dev;
- /* main client */
- if (data) {
- hwmon_device_unregister(data->hwmon_dev);
- sysfs_remove_group(&client->dev.kobj, &w83781d_group);
- sysfs_remove_group(&client->dev.kobj, &w83781d_group_opt);
- }
+ hwmon_device_unregister(data->hwmon_dev);
- if ((err = i2c_detach_client(client)))
- return err;
+ sysfs_remove_group(&dev->kobj, &w83781d_group);
+ sysfs_remove_group(&dev->kobj, &w83781d_group_opt);
- /* main client */
- if (data)
- kfree(data);
+ if (data->lm75[0])
+ i2c_unregister_device(data->lm75[0]);
+ if (data->lm75[1])
+ i2c_unregister_device(data->lm75[1]);
- /* subclient */
- else
- kfree(client);
+ i2c_set_clientdata(client, NULL);
+ kfree(data);
return 0;
}
static int
w83781d_read_value_i2c(struct w83781d_data *data, u16 reg)
{
- struct i2c_client *client = &data->client;
+ struct i2c_client *client = data->client;
int res, bank;
struct i2c_client *cl;
static int
w83781d_write_value_i2c(struct w83781d_data *data, u16 reg, u16 value)
{
- struct i2c_client *client = &data->client;
+ struct i2c_client *client = data->client;
int bank;
struct i2c_client *cl;
static struct w83781d_data *w83781d_update_device(struct device *dev)
{
struct w83781d_data *data = dev_get_drvdata(dev);
- struct i2c_client *client = &data->client;
+ struct i2c_client *client = data->client;
int i;
mutex_lock(&data->update_lock);
data->pwm[i] =
w83781d_read_value(data,
W83781D_REG_PWM[i]);
- if ((data->type != w83782d || !client->driver)
+ /* Only W83782D on SMBus has PWM3 and PWM4 */
+ if ((data->type != w83782d || !client)
&& i == 1)
break;
}
return data;
}
+static const struct i2c_device_id w83781d_ids[] = {
+ { "w83781d", w83781d, },
+ { "w83782d", w83782d, },
+ { "w83783s", w83783s, },
+ { "as99127f", as99127f },
+ { /* LIST END */ }
+};
+MODULE_DEVICE_TABLE(i2c, w83781d_ids);
+
+static struct i2c_driver w83781d_driver = {
+ .class = I2C_CLASS_HWMON,
+ .driver = {
+ .name = "w83781d",
+ },
+ .probe = w83781d_probe,
+ .remove = w83781d_remove,
+ .id_table = w83781d_ids,
+ .detect = w83781d_detect,
+ .address_data = &addr_data,
+};
+
+/*
+ * ISA related code
+ */
#ifdef CONFIG_ISA
/* ISA device, if found */
show_name(struct device *dev, struct device_attribute *devattr, char *buf)
{
struct w83781d_data *data = dev_get_drvdata(dev);
- return sprintf(buf, "%s\n", data->client.name);
+ return sprintf(buf, "%s\n", data->name);
}
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
/* Returns 1 if the I2C chip appears to be an alias of the ISA chip */
static int w83781d_alias_detect(struct i2c_client *client, u8 chipid)
{
- struct w83781d_data *i2c, *isa;
+ struct w83781d_data *isa;
int i;
if (!pdev) /* No ISA chip */
return 0;
- i2c = i2c_get_clientdata(client);
isa = platform_get_drvdata(pdev);
if (w83781d_read_value(isa, W83781D_REG_I2C_ADDR) != client->addr)
/* We compare all the limit registers, the config register and the
* interrupt mask registers */
for (i = 0x2b; i <= 0x3d; i++) {
- if (w83781d_read_value(isa, i) != w83781d_read_value(i2c, i))
+ if (w83781d_read_value(isa, i) !=
+ i2c_smbus_read_byte_data(client, i))
return 0;
}
if (w83781d_read_value(isa, W83781D_REG_CONFIG) !=
- w83781d_read_value(i2c, W83781D_REG_CONFIG))
+ i2c_smbus_read_byte_data(client, W83781D_REG_CONFIG))
return 0;
for (i = 0x43; i <= 0x46; i++) {
- if (w83781d_read_value(isa, i) != w83781d_read_value(i2c, i))
+ if (w83781d_read_value(isa, i) !=
+ i2c_smbus_read_byte_data(client, i))
return 0;
}
static int
w83781d_read_value_isa(struct w83781d_data *data, u16 reg)
{
- struct i2c_client *client = &data->client;
int word_sized, res;
word_sized = (((reg & 0xff00) == 0x100)
|| ((reg & 0x00ff) == 0x55));
if (reg & 0xff00) {
outb_p(W83781D_REG_BANK,
- client->addr + W83781D_ADDR_REG_OFFSET);
+ data->isa_addr + W83781D_ADDR_REG_OFFSET);
outb_p(reg >> 8,
- client->addr + W83781D_DATA_REG_OFFSET);
+ data->isa_addr + W83781D_DATA_REG_OFFSET);
}
- outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET);
- res = inb_p(client->addr + W83781D_DATA_REG_OFFSET);
+ outb_p(reg & 0xff, data->isa_addr + W83781D_ADDR_REG_OFFSET);
+ res = inb_p(data->isa_addr + W83781D_DATA_REG_OFFSET);
if (word_sized) {
outb_p((reg & 0xff) + 1,
- client->addr + W83781D_ADDR_REG_OFFSET);
+ data->isa_addr + W83781D_ADDR_REG_OFFSET);
res =
- (res << 8) + inb_p(client->addr +
+ (res << 8) + inb_p(data->isa_addr +
W83781D_DATA_REG_OFFSET);
}
if (reg & 0xff00) {
outb_p(W83781D_REG_BANK,
- client->addr + W83781D_ADDR_REG_OFFSET);
- outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
+ data->isa_addr + W83781D_ADDR_REG_OFFSET);
+ outb_p(0, data->isa_addr + W83781D_DATA_REG_OFFSET);
}
return res;
}
static void
w83781d_write_value_isa(struct w83781d_data *data, u16 reg, u16 value)
{
- struct i2c_client *client = &data->client;
int word_sized;
word_sized = (((reg & 0xff00) == 0x100)
|| ((reg & 0x00ff) == 0x55));
if (reg & 0xff00) {
outb_p(W83781D_REG_BANK,
- client->addr + W83781D_ADDR_REG_OFFSET);
+ data->isa_addr + W83781D_ADDR_REG_OFFSET);
outb_p(reg >> 8,
- client->addr + W83781D_DATA_REG_OFFSET);
+ data->isa_addr + W83781D_DATA_REG_OFFSET);
}
- outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET);
+ outb_p(reg & 0xff, data->isa_addr + W83781D_ADDR_REG_OFFSET);
if (word_sized) {
outb_p(value >> 8,
- client->addr + W83781D_DATA_REG_OFFSET);
+ data->isa_addr + W83781D_DATA_REG_OFFSET);
outb_p((reg & 0xff) + 1,
- client->addr + W83781D_ADDR_REG_OFFSET);
+ data->isa_addr + W83781D_ADDR_REG_OFFSET);
}
- outb_p(value & 0xff, client->addr + W83781D_DATA_REG_OFFSET);
+ outb_p(value & 0xff, data->isa_addr + W83781D_DATA_REG_OFFSET);
if (reg & 0xff00) {
outb_p(W83781D_REG_BANK,
- client->addr + W83781D_ADDR_REG_OFFSET);
- outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
+ data->isa_addr + W83781D_ADDR_REG_OFFSET);
+ outb_p(0, data->isa_addr + W83781D_DATA_REG_OFFSET);
}
}
static int
w83781d_read_value(struct w83781d_data *data, u16 reg)
{
- struct i2c_client *client = &data->client;
+ struct i2c_client *client = data->client;
int res;
mutex_lock(&data->lock);
- if (client->driver)
+ if (client)
res = w83781d_read_value_i2c(data, reg);
else
res = w83781d_read_value_isa(data, reg);
static int
w83781d_write_value(struct w83781d_data *data, u16 reg, u16 value)
{
- struct i2c_client *client = &data->client;
+ struct i2c_client *client = data->client;
mutex_lock(&data->lock);
- if (client->driver)
+ if (client)
w83781d_write_value_i2c(data, reg, value);
else
w83781d_write_value_isa(data, reg, value);
int err, reg;
struct w83781d_data *data;
struct resource *res;
- const char *name;
/* Reserve the ISA region */
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
goto exit_release_region;
}
mutex_init(&data->lock);
- data->client.addr = res->start;
- i2c_set_clientdata(&data->client, data);
+ data->isa_addr = res->start;
platform_set_drvdata(pdev, data);
reg = w83781d_read_value(data, W83781D_REG_WCHIPID);
switch (reg) {
case 0x30:
data->type = w83782d;
- name = "w83782d";
+ data->name = "w83782d";
break;
default:
data->type = w83781d;
- name = "w83781d";
+ data->name = "w83781d";
}
- strlcpy(data->client.name, name, I2C_NAME_SIZE);
/* Initialize the W83781D chip */
w83781d_init_device(&pdev->dev);
sysfs_remove_group(&pdev->dev.kobj, &w83781d_group);
sysfs_remove_group(&pdev->dev.kobj, &w83781d_group_opt);
device_remove_file(&pdev->dev, &dev_attr_name);
- release_region(data->client.addr + W83781D_ADDR_REG_OFFSET, 2);
+ release_region(data->isa_addr + W83781D_ADDR_REG_OFFSET, 2);
kfree(data);
return 0;
return res;
}
-static void __exit
+static void
w83781d_isa_unregister(void)
{
if (pdev) {
return 0;
}
-static void __exit
+static void
w83781d_isa_unregister(void)
{
}