ChangeSet 1.1033.3.2, 2003/04/07 09:36:02-07:00, j.dittmer@portrix.net [PATCH] i2c: convert via686a i2c driver to sysfs drivers/i2c/chips/via686a.c | 545 ++++++++++++++++++++++++-------------------- 1 files changed, 299 insertions(+), 246 deletions(-) diff -Nru a/drivers/i2c/chips/via686a.c b/drivers/i2c/chips/via686a.c --- a/drivers/i2c/chips/via686a.c Wed Apr 9 15:16:56 2003 +++ b/drivers/i2c/chips/via686a.c Wed Apr 9 15:16:56 2003 @@ -87,9 +87,9 @@ static const u8 reghyst[] = { 0x3a, 0x3e, 0x1e }; /* temps numbered 1-3 */ -#define VIA686A_REG_TEMP(nr) (regtemp[(nr) - 1]) -#define VIA686A_REG_TEMP_OVER(nr) (regover[(nr) - 1]) -#define VIA686A_REG_TEMP_HYST(nr) (reghyst[(nr) - 1]) +#define VIA686A_REG_TEMP(nr) (regtemp[nr]) +#define VIA686A_REG_TEMP_OVER(nr) (regover[nr]) +#define VIA686A_REG_TEMP_HYST(nr) (reghyst[nr]) #define VIA686A_REG_TEMP_LOW1 0x4b // bits 7-6 #define VIA686A_REG_TEMP_LOW23 0x49 // 2 = bits 5-4, 3 = bits 7-6 @@ -369,6 +369,8 @@ dynamically allocated, at the same time when a new via686a client is allocated. */ struct via686a_data { + int sysctl_id; + struct semaphore update_lock; char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ @@ -388,16 +390,262 @@ static struct pci_dev *s_bridge; /* pointer to the (only) via686a */ static int via686a_attach_adapter(struct i2c_adapter *adapter); -static int via686a_detect(struct i2c_adapter *adapter, int address, int kind); +static int via686a_detect(struct i2c_adapter *adapter, int address, + unsigned short flags, int kind); static int via686a_detach_client(struct i2c_client *client); -static int via686a_read_value(struct i2c_client *client, u8 register); -static void via686a_write_value(struct i2c_client *client, u8 register, - u8 value); +static inline int via686a_read_value(struct i2c_client *client, u8 reg) +{ + return (inb_p(client->addr + reg)); +} + +static inline void via686a_write_value(struct i2c_client *client, u8 reg, + u8 value) +{ + outb_p(value, client->addr + reg); +} + static void via686a_update_client(struct i2c_client *client); static void via686a_init_client(struct i2c_client *client); -static int via686a_id = 0; +/* following are the sysfs callback functions */ + +/* 7 voltage sensors */ +static ssize_t show_in(struct device *dev, char *buf, int nr) { + struct i2c_client *client = to_i2c_client(dev); + struct via686a_data *data = i2c_get_clientdata(client); + via686a_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 via686a_data *data = i2c_get_clientdata(client); + via686a_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 via686a_data *data = i2c_get_clientdata(client); + via686a_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 via686a_data *data = i2c_get_clientdata(client); + unsigned long val = simple_strtoul(buf, NULL, 10)/10; + data->in_min[nr] = IN_TO_REG(val,nr); + via686a_write_value(client, VIA686A_REG_IN_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 via686a_data *data = i2c_get_clientdata(client); + unsigned long val = simple_strtoul(buf, NULL, 10)/10; + data->in_max[nr] = IN_TO_REG(val,nr); + via686a_write_value(client, VIA686A_REG_IN_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 via686a_data *data = i2c_get_clientdata(client); + via686a_update_client(client); + return sprintf(buf, "%ld\n", TEMP_FROM_REG10(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 via686a_data *data = i2c_get_clientdata(client); + via686a_update_client(client); + return sprintf(buf, "%ld\n", TEMP_FROM_REG(data->temp_over[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 via686a_data *data = i2c_get_clientdata(client); + via686a_update_client(client); + return sprintf(buf, "%ld\n", TEMP_FROM_REG(data->temp_hyst[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 via686a_data *data = i2c_get_clientdata(client); + int val = simple_strtol(buf, NULL, 10)/10; + data->temp_over[nr] = TEMP_TO_REG(val); + via686a_write_value(client, VIA686A_REG_TEMP_OVER(nr), data->temp_over[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 via686a_data *data = i2c_get_clientdata(client); + int val = simple_strtol(buf, NULL, 10)/10; + data->temp_hyst[nr] = TEMP_TO_REG(val); + via686a_write_value(client, VIA686A_REG_TEMP_HYST(nr), data->temp_hyst[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 via686a_data *data = i2c_get_clientdata(client); + via686a_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 via686a_data *data = i2c_get_clientdata(client); + via686a_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 via686a_data *data = i2c_get_clientdata(client); + via686a_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 via686a_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])); + via686a_write_value(client, VIA686A_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 via686a_data *data = i2c_get_clientdata(client); + int val = simple_strtol(buf, NULL, 10); + int old = via686a_read_value(client, VIA686A_REG_FANDIV); + data->fan_div[nr] = DIV_TO_REG(val); + old = (old & 0x0f) | (data->fan_div[1] << 6) | (data->fan_div[0] << 4); + via686a_write_value(client, VIA686A_REG_FANDIV, 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 via686a_data *data = i2c_get_clientdata(client); + via686a_update_client(client); + return sprintf(buf,"%d\n", ALARMS_FROM_REG(data->alarms)); +} +static DEVICE_ATTR(alarm, S_IRUGO | S_IWUSR, show_alarm, NULL); /* The driver. I choose to use type i2c_driver, as at is identical to both smbus_driver and isa_driver, and clients could be of either kind */ @@ -411,95 +659,19 @@ }; - -/* The /proc/sys entries */ - -/* -- SENSORS SYSCTL START -- */ -#define VIA686A_SYSCTL_IN0 1000 -#define VIA686A_SYSCTL_IN1 1001 -#define VIA686A_SYSCTL_IN2 1002 -#define VIA686A_SYSCTL_IN3 1003 -#define VIA686A_SYSCTL_IN4 1004 -#define VIA686A_SYSCTL_FAN1 1101 -#define VIA686A_SYSCTL_FAN2 1102 -#define VIA686A_SYSCTL_TEMP 1200 -#define VIA686A_SYSCTL_TEMP2 1201 -#define VIA686A_SYSCTL_TEMP3 1202 -#define VIA686A_SYSCTL_FAN_DIV 2000 -#define VIA686A_SYSCTL_ALARMS 2001 - -#define VIA686A_ALARM_IN0 0x01 -#define VIA686A_ALARM_IN1 0x02 -#define VIA686A_ALARM_IN2 0x04 -#define VIA686A_ALARM_IN3 0x08 -#define VIA686A_ALARM_TEMP 0x10 -#define VIA686A_ALARM_FAN1 0x40 -#define VIA686A_ALARM_FAN2 0x80 -#define VIA686A_ALARM_IN4 0x100 -#define VIA686A_ALARM_TEMP2 0x800 -#define VIA686A_ALARM_CHAS 0x1000 -#define VIA686A_ALARM_TEMP3 0x8000 - -/* -- SENSORS SYSCTL END -- */ - -#if 0 -/* These files are created for each detected VIA686A. This is just a template; - though at first sight, you might think we could use a statically - allocated list, we need some way to get back to the parent - which - is done through one of the 'extra' fields which are initialized - when a new copy is allocated. */ -static ctl_table via686a_dir_table_template[] = { - {VIA686A_SYSCTL_IN0, "in0", NULL, 0, 0644, NULL, &i2c_proc_real, - &i2c_sysctl_real, NULL, &via686a_in}, - {VIA686A_SYSCTL_IN1, "in1", NULL, 0, 0644, NULL, &i2c_proc_real, - &i2c_sysctl_real, NULL, &via686a_in}, - {VIA686A_SYSCTL_IN2, "in2", NULL, 0, 0644, NULL, &i2c_proc_real, - &i2c_sysctl_real, NULL, &via686a_in}, - {VIA686A_SYSCTL_IN3, "in3", NULL, 0, 0644, NULL, &i2c_proc_real, - &i2c_sysctl_real, NULL, &via686a_in}, - {VIA686A_SYSCTL_IN4, "in4", NULL, 0, 0644, NULL, &i2c_proc_real, - &i2c_sysctl_real, NULL, &via686a_in}, - {VIA686A_SYSCTL_FAN1, "fan1", NULL, 0, 0644, NULL, &i2c_proc_real, - &i2c_sysctl_real, NULL, &via686a_fan}, - {VIA686A_SYSCTL_FAN2, "fan2", NULL, 0, 0644, NULL, &i2c_proc_real, - &i2c_sysctl_real, NULL, &via686a_fan}, - {VIA686A_SYSCTL_TEMP, "temp1", NULL, 0, 0644, NULL, &i2c_proc_real, - &i2c_sysctl_real, NULL, &via686a_temp}, - {VIA686A_SYSCTL_TEMP2, "temp2", NULL, 0, 0644, NULL, - &i2c_proc_real, &i2c_sysctl_real, NULL, &via686a_temp}, - {VIA686A_SYSCTL_TEMP3, "temp3", NULL, 0, 0644, NULL, - &i2c_proc_real, &i2c_sysctl_real, NULL, &via686a_temp}, - {VIA686A_SYSCTL_FAN_DIV, "fan_div", NULL, 0, 0644, NULL, - &i2c_proc_real, &i2c_sysctl_real, NULL, &via686a_fan_div}, - {VIA686A_SYSCTL_ALARMS, "alarms", NULL, 0, 0444, NULL, - &i2c_proc_real, &i2c_sysctl_real, NULL, &via686a_alarms}, - {0} -}; -#endif - -static inline int via686a_read_value(struct i2c_client *client, u8 reg) -{ - return (inb_p(client->addr + reg)); -} - -static inline void via686a_write_value(struct i2c_client *client, u8 reg, - u8 value) -{ - outb_p(value, client->addr + reg); -} - /* This is called when the module is loaded */ static int via686a_attach_adapter(struct i2c_adapter *adapter) { return i2c_detect(adapter, &addr_data, via686a_detect); } -static int via686a_detect(struct i2c_adapter *adapter, int address, int kind) +static int via686a_detect(struct i2c_adapter *adapter, int address, + unsigned short flags, int kind) { struct i2c_client *new_client; struct via686a_data *data; int err = 0; - const char *name = "via686a"; + const char client_name[] = "via686a chip"; u16 val; /* Make sure we are probing the ISA bus!! */ @@ -552,16 +724,49 @@ new_client->adapter = adapter; new_client->driver = &via686a_driver; new_client->flags = 0; + new_client->dev.parent = &adapter->dev; /* Fill in the remaining client fields and put into the global list */ - snprintf(new_client->dev.name, DEVICE_NAME_SIZE, name); + snprintf(new_client->dev.name, DEVICE_NAME_SIZE, client_name); - new_client->id = via686a_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 ERROR3; + + /* 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 VIA686A chip */ via686a_init_client(new_client); @@ -629,7 +834,7 @@ FAN_TO_REG(VIA686A_INIT_FAN_MIN, 2)); via686a_write_value(client, VIA686A_REG_FAN_MIN(2), FAN_TO_REG(VIA686A_INIT_FAN_MIN, 2)); - for (i = 1; i <= 3; i++) { + for (i = 0; i <= 2; i++) { via686a_write_value(client, VIA686A_REG_TEMP_OVER(i), TEMP_TO_REG(VIA686A_INIT_TEMP_OVER)); via686a_write_value(client, VIA686A_REG_TEMP_HYST(i), @@ -670,13 +875,13 @@ data->fan_min[i - 1] = via686a_read_value(client, VIA686A_REG_FAN_MIN(i)); } - for (i = 1; i <= 3; i++) { - data->temp[i - 1] = via686a_read_value(client, + for (i = 0; i <= 2; i++) { + data->temp[i] = via686a_read_value(client, VIA686A_REG_TEMP(i)) << 2; - data->temp_over[i - 1] = + data->temp_over[i] = via686a_read_value(client, VIA686A_REG_TEMP_OVER(i)); - data->temp_hyst[i - 1] = + data->temp_hyst[i] = via686a_read_value(client, VIA686A_REG_TEMP_HYST(i)); } @@ -709,164 +914,12 @@ up(&data->update_lock); } - -/* The next few functions are the call-back functions of the /proc/sys and - sysctl files. Which function is used is defined in the ctl_table in - the extra1 field. - Each function must return the magnitude (power of 10 to divide the date - with) if it is called with operation==SENSORS_PROC_REAL_INFO. It must - put a maximum of *nrels elements in results reflecting the data of this - file, and set *nrels to the number it actually put in it, if operation== - SENSORS_PROC_REAL_READ. Finally, it must get upto *nrels elements from - results and write them to the chip, if operations==SENSORS_PROC_REAL_WRITE. - Note that on SENSORS_PROC_REAL_READ, I do not check whether results is - large enough (by checking the incoming value of *nrels). This is not very - good practice, but as long as you put less than about 5 values in results, - you can assume it is large enough. */ -/* FIXME, remove these functions, they are here to verify the sysfs conversion - * is correct, or not */ -__attribute__((unused)) -static void via686a_in(struct i2c_client *client, int operation, int ctl_name, - int *nrels_mag, long *results) -{ - struct via686a_data *data = i2c_get_clientdata(client); - int nr = ctl_name - VIA686A_SYSCTL_IN0; - - if (operation == SENSORS_PROC_REAL_INFO) - *nrels_mag = 2; - else if (operation == SENSORS_PROC_REAL_READ) { - via686a_update_client(client); - results[0] = IN_FROM_REG(data->in_min[nr], nr); - results[1] = IN_FROM_REG(data->in_max[nr], nr); - results[2] = IN_FROM_REG(data->in[nr], nr); - *nrels_mag = 3; - } else if (operation == SENSORS_PROC_REAL_WRITE) { - if (*nrels_mag >= 1) { - data->in_min[nr] = IN_TO_REG(results[0], nr); - via686a_write_value(client, VIA686A_REG_IN_MIN(nr), - data->in_min[nr]); - } - if (*nrels_mag >= 2) { - data->in_max[nr] = IN_TO_REG(results[1], nr); - via686a_write_value(client, VIA686A_REG_IN_MAX(nr), - data->in_max[nr]); - } - } -} - -__attribute__((unused)) -static void via686a_fan(struct i2c_client *client, int operation, int ctl_name, - int *nrels_mag, long *results) -{ - struct via686a_data *data = i2c_get_clientdata(client); - int nr = ctl_name - VIA686A_SYSCTL_FAN1 + 1; - - if (operation == SENSORS_PROC_REAL_INFO) - *nrels_mag = 0; - else if (operation == SENSORS_PROC_REAL_READ) { - via686a_update_client(client); - results[0] = FAN_FROM_REG(data->fan_min[nr - 1], - DIV_FROM_REG(data->fan_div - [nr - 1])); - results[1] = FAN_FROM_REG(data->fan[nr - 1], - DIV_FROM_REG(data->fan_div[nr - 1])); - *nrels_mag = 2; - } else if (operation == SENSORS_PROC_REAL_WRITE) { - if (*nrels_mag >= 1) { - data->fan_min[nr - 1] = FAN_TO_REG(results[0], - DIV_FROM_REG(data-> - fan_div[nr -1])); - via686a_write_value(client, - VIA686A_REG_FAN_MIN(nr), - data->fan_min[nr - 1]); - } - } -} - -__attribute__((unused)) -static void via686a_temp(struct i2c_client *client, int operation, int ctl_name, - int *nrels_mag, long *results) -{ - struct via686a_data *data = i2c_get_clientdata(client); - int nr = ctl_name - VIA686A_SYSCTL_TEMP; - - if (operation == SENSORS_PROC_REAL_INFO) - *nrels_mag = 1; - else if (operation == SENSORS_PROC_REAL_READ) { - via686a_update_client(client); - results[0] = TEMP_FROM_REG(data->temp_over[nr]); - results[1] = TEMP_FROM_REG(data->temp_hyst[nr]); - results[2] = TEMP_FROM_REG10(data->temp[nr]); - *nrels_mag = 3; - } else if (operation == SENSORS_PROC_REAL_WRITE) { - if (*nrels_mag >= 1) { - data->temp_over[nr] = TEMP_TO_REG(results[0]); - via686a_write_value(client, - VIA686A_REG_TEMP_OVER(nr + 1), - data->temp_over[nr]); - } - if (*nrels_mag >= 2) { - data->temp_hyst[nr] = TEMP_TO_REG(results[1]); - via686a_write_value(client, - VIA686A_REG_TEMP_HYST(nr + 1), - data->temp_hyst[nr]); - } - } -} - -__attribute__((unused)) -static void via686a_alarms(struct i2c_client *client, int operation, int ctl_name, - int *nrels_mag, long *results) -{ - struct via686a_data *data = i2c_get_clientdata(client); - if (operation == SENSORS_PROC_REAL_INFO) - *nrels_mag = 0; - else if (operation == SENSORS_PROC_REAL_READ) { - via686a_update_client(client); - results[0] = ALARMS_FROM_REG(data->alarms); - *nrels_mag = 1; - } -} - -__attribute__((unused)) -static void via686a_fan_div(struct i2c_client *client, int operation, - int ctl_name, int *nrels_mag, long *results) -{ - struct via686a_data *data = i2c_get_clientdata(client); - int old; - - if (operation == SENSORS_PROC_REAL_INFO) - *nrels_mag = 0; - else if (operation == SENSORS_PROC_REAL_READ) { - via686a_update_client(client); - results[0] = DIV_FROM_REG(data->fan_div[0]); - results[1] = DIV_FROM_REG(data->fan_div[1]); - *nrels_mag = 2; - } else if (operation == SENSORS_PROC_REAL_WRITE) { - old = via686a_read_value(client, VIA686A_REG_FANDIV); - if (*nrels_mag >= 2) { - data->fan_div[1] = DIV_TO_REG(results[1]); - old = (old & 0x3f) | (data->fan_div[1] << 6); - } - if (*nrels_mag >= 1) { - data->fan_div[0] = DIV_TO_REG(results[0]); - old = (old & 0xcf) | (data->fan_div[0] << 4); - via686a_write_value(client, VIA686A_REG_FANDIV, - old); - } - } -} - - static struct pci_device_id via686a_pci_ids[] __devinitdata = { { .vendor = PCI_VENDOR_ID_VIA, .device = PCI_DEVICE_ID_VIA_82C686_4, .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, - .class = 0, - .class_mask = 0, - .driver_data = 0, }, { 0, } };