From a8d6646e24fa72de38de5838df8bd1f21af59710 Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Sun, 9 Sep 2007 19:51:14 +0200 Subject: [PATCH] hwmon: (adm1021) dynamic sysfs callbacks conversion This is conversion of the driver to the dynamic sysfs callbacks. Signed-off-by: Krzysztof Helt Acked-by: Jean Delvare Signed-off-by: Mark M. Hoffman --- drivers/hwmon/adm1021.c | 194 ++++++++++++++++++++++------------------ 1 file changed, 106 insertions(+), 88 deletions(-) diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c index 5667630ac0..cc40970942 100644 --- a/drivers/hwmon/adm1021.c +++ b/drivers/hwmon/adm1021.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include @@ -43,8 +44,8 @@ I2C_CLIENT_INSMOD_8(adm1021, adm1023, max1617, max1617a, thmc10, lm84, gl523sm, /* The adm1021 registers */ /* Read-only */ -#define ADM1021_REG_TEMP 0x00 -#define ADM1021_REG_REMOTE_TEMP 0x01 +/* For nr in 0-1 */ +#define ADM1021_REG_TEMP(nr) (nr) #define ADM1021_REG_STATUS 0x02 /* 0x41 = AD, 0x49 = TI, 0x4D = Maxim, 0x23 = Genesys , 0x54 = Onsemi */ #define ADM1021_REG_MAN_ID 0xFE @@ -62,25 +63,14 @@ I2C_CLIENT_INSMOD_8(adm1021, adm1023, max1617, max1617a, thmc10, lm84, gl523sm, #define ADM1023_REG_REM_TOS_PREC 0x13 #define ADM1023_REG_REM_THYST_PREC 0x14 /* limits */ -#define ADM1021_REG_TOS_R 0x05 -#define ADM1021_REG_TOS_W 0x0B -#define ADM1021_REG_REMOTE_TOS_R 0x07 -#define ADM1021_REG_REMOTE_TOS_W 0x0D -#define ADM1021_REG_THYST_R 0x06 -#define ADM1021_REG_THYST_W 0x0C -#define ADM1021_REG_REMOTE_THYST_R 0x08 -#define ADM1021_REG_REMOTE_THYST_W 0x0E +/* For nr in 0-1 */ +#define ADM1021_REG_TOS_R(nr) (0x05 + 2 * (nr)) +#define ADM1021_REG_TOS_W(nr) (0x0B + 2 * (nr)) +#define ADM1021_REG_THYST_R(nr) (0x06 + 2 * (nr)) +#define ADM1021_REG_THYST_W(nr) (0x0C + 2 * (nr)) /* write-only */ #define ADM1021_REG_ONESHOT 0x0F - -/* Conversions. Rounding and limit checking is only done on the TO_REG - variants. Note that you should be a bit careful with which arguments - these macros are called: arguments may be evaluated more than once. - Fixing this is just not worth it. */ -/* Conversions note: 1021 uses normal integer signed-byte format*/ -#define TEMP_TO_REG(val) SENSORS_LIMIT((val) / 1000, -128, 127) - /* Initial values */ /* Note: Even though I left the low and high limits named os and hyst, @@ -98,19 +88,16 @@ struct adm1021_data { char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ - s8 temp_max; /* Register values */ - s8 temp_hyst; - s8 temp_input; - s8 remote_temp_max; - s8 remote_temp_hyst; - s8 remote_temp_input; - u8 alarms; - /* Special values for ADM1023 only */ - u8 remote_temp_prec; - u8 remote_temp_os_prec; - u8 remote_temp_hyst_prec; - u8 remote_temp_offset; - u8 remote_temp_offset_prec; + s8 temp_max[2]; /* Register values */ + s8 temp_min[2]; + s8 temp[2]; + u8 alarms; + /* Special values for ADM1023 only */ + u8 remote_temp_prec; + u8 remote_temp_os_prec; + u8 remote_temp_hyst_prec; + u8 remote_temp_offset; + u8 remote_temp_offset_prec; }; static int adm1021_attach_adapter(struct i2c_adapter *adapter); @@ -133,19 +120,32 @@ static struct i2c_driver adm1021_driver = { .detach_client = adm1021_detach_client, }; -#define show(value) \ -static ssize_t show_##value(struct device *dev, \ - struct device_attribute *attr, char *buf) \ -{ \ - struct adm1021_data *data = adm1021_update_device(dev); \ - return sprintf(buf, "%d\n", 1000 * data->value); \ +static ssize_t show_temp(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + int index = to_sensor_dev_attr(devattr)->index; + struct adm1021_data *data = adm1021_update_device(dev); + + return sprintf(buf, "%d\n", 1000 * data->temp[index]); +} + +static ssize_t show_temp_max(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + int index = to_sensor_dev_attr(devattr)->index; + struct adm1021_data *data = adm1021_update_device(dev); + + return sprintf(buf, "%d\n", 1000 * data->temp_max[index]); +} + +static ssize_t show_temp_min(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + int index = to_sensor_dev_attr(devattr)->index; + struct adm1021_data *data = adm1021_update_device(dev); + + return sprintf(buf, "%d\n", 1000 * data->temp_min[index]); } -show(temp_max); -show(temp_hyst); -show(temp_input); -show(remote_temp_max); -show(remote_temp_hyst); -show(remote_temp_input); static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, @@ -155,35 +155,55 @@ static ssize_t show_alarms(struct device *dev, return sprintf(buf, "%u\n", data->alarms); } -#define set(value, reg) \ -static ssize_t set_##value(struct device *dev, \ - struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - struct i2c_client *client = to_i2c_client(dev); \ - struct adm1021_data *data = i2c_get_clientdata(client); \ - long temp = simple_strtol(buf, NULL, 10); \ - \ - mutex_lock(&data->update_lock); \ - data->value = TEMP_TO_REG(temp); \ - if (!read_only) \ - i2c_smbus_write_byte_data(client, reg, data->value); \ - mutex_unlock(&data->update_lock); \ - return count; \ +static ssize_t set_temp_max(struct device *dev, + struct device_attribute *devattr, + const char *buf, size_t count) +{ + int index = to_sensor_dev_attr(devattr)->index; + struct i2c_client *client = to_i2c_client(dev); + struct adm1021_data *data = i2c_get_clientdata(client); + long temp = simple_strtol(buf, NULL, 10) / 1000; + + mutex_lock(&data->update_lock); + data->temp_max[index] = SENSORS_LIMIT(temp, -128, 127); + if (!read_only) + i2c_smbus_write_byte_data(client, ADM1021_REG_TOS_W(index), + data->temp_max[index]); + mutex_unlock(&data->update_lock); + + return count; } -set(temp_max, ADM1021_REG_TOS_W); -set(temp_hyst, ADM1021_REG_THYST_W); -set(remote_temp_max, ADM1021_REG_REMOTE_TOS_W); -set(remote_temp_hyst, ADM1021_REG_REMOTE_THYST_W); - -static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, set_temp_max); -static DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp_hyst, set_temp_hyst); -static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_input, NULL); -static DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_remote_temp_max, set_remote_temp_max); -static DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_remote_temp_hyst, set_remote_temp_hyst); -static DEVICE_ATTR(temp2_input, S_IRUGO, show_remote_temp_input, NULL); -static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); +static ssize_t set_temp_min(struct device *dev, + struct device_attribute *devattr, + const char *buf, size_t count) +{ + int index = to_sensor_dev_attr(devattr)->index; + struct i2c_client *client = to_i2c_client(dev); + struct adm1021_data *data = i2c_get_clientdata(client); + long temp = simple_strtol(buf, NULL, 10) / 1000; + + mutex_lock(&data->update_lock); + data->temp_min[index] = SENSORS_LIMIT(temp, -128, 127); + if (!read_only) + i2c_smbus_write_byte_data(client, ADM1021_REG_THYST_W(index), + data->temp_min[index]); + mutex_unlock(&data->update_lock); + + return count; +} + +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); +static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, + set_temp_max, 0); +static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp_min, + set_temp_min, 0); +static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1); +static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp_max, + set_temp_max, 1); +static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp_min, + set_temp_min, 1); +static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); static int adm1021_attach_adapter(struct i2c_adapter *adapter) { @@ -193,12 +213,12 @@ static int adm1021_attach_adapter(struct i2c_adapter *adapter) } static struct attribute *adm1021_attributes[] = { - &dev_attr_temp1_max.attr, - &dev_attr_temp1_min.attr, - &dev_attr_temp1_input.attr, - &dev_attr_temp2_max.attr, - &dev_attr_temp2_min.attr, - &dev_attr_temp2_input.attr, + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp1_min.dev_attr.attr, + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp2_max.dev_attr.attr, + &sensor_dev_attr_temp2_min.dev_attr.attr, + &sensor_dev_attr_temp2_input.dev_attr.attr, &dev_attr_alarms.attr, NULL }; @@ -370,20 +390,18 @@ static struct adm1021_data *adm1021_update_device(struct device *dev) if (time_after(jiffies, data->last_updated + HZ + HZ / 2) || !data->valid) { + int i; + dev_dbg(&client->dev, "Starting adm1021 update\n"); - data->temp_input = i2c_smbus_read_byte_data(client, - ADM1021_REG_TEMP); - data->temp_max = i2c_smbus_read_byte_data(client, - ADM1021_REG_TOS_R); - data->temp_hyst = i2c_smbus_read_byte_data(client, - ADM1021_REG_THYST_R); - data->remote_temp_input = i2c_smbus_read_byte_data(client, - ADM1021_REG_REMOTE_TEMP); - data->remote_temp_max = i2c_smbus_read_byte_data(client, - ADM1021_REG_REMOTE_TOS_R); - data->remote_temp_hyst = i2c_smbus_read_byte_data(client, - ADM1021_REG_REMOTE_THYST_R); + for (i = 0; i < 2; i++) { + data->temp[i] = i2c_smbus_read_byte_data(client, + ADM1021_REG_TEMP(i)); + data->temp_max[i] = i2c_smbus_read_byte_data(client, + ADM1021_REG_TOS_R(i)); + data->temp_min[i] = i2c_smbus_read_byte_data(client, + ADM1021_REG_THYST_R(i)); + } data->alarms = i2c_smbus_read_byte_data(client, ADM1021_REG_STATUS) & 0x7c; if (data->type == adm1023) { -- 2.39.5