From 468cc0320ed083e26364d9febde2679d981ed6a6 Mon Sep 17 00:00:00 2001 From: Henrik Rydberg Date: Wed, 12 Nov 2008 13:24:58 -0800 Subject: hwmon: applesmc: add support for Macbook 4 This patch adds accelerometer and temperature sensor support for Macbook 4. Signed-off-by: Henrik Rydberg Cc: Nicolas Boichat Signed-off-by: Linus Torvalds --- drivers/hwmon/applesmc.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers/hwmon') diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index be32859..488e45c 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -1280,7 +1280,7 @@ static __initdata struct dmi_match_data applesmc_dmi_data[] = { { .accelerometer = 0, .light = 0, .temperature_set = 4 }, /* iMac: temperature set 5 */ { .accelerometer = 0, .light = 0, .temperature_set = 5 }, -/* MacBook3: accelerometer and temperature set 6 */ +/* MacBook3, MacBook4: accelerometer and temperature set 6 */ { .accelerometer = 1, .light = 0, .temperature_set = 6 }, /* MacBook Air: accelerometer, backlight and temperature set 7 */ { .accelerometer = 1, .light = 1, .temperature_set = 7 }, @@ -1329,6 +1329,10 @@ static __initdata struct dmi_system_id applesmc_whitelist[] = { DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), DMI_MATCH(DMI_PRODUCT_NAME,"MacBook3") }, &applesmc_dmi_data[6]}, + { applesmc_dmi_match, "Apple MacBook 4", { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook4") }, + &applesmc_dmi_data[6]}, { applesmc_dmi_match, "Apple MacBook 5", { DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), DMI_MATCH(DMI_PRODUCT_NAME, "MacBook5") }, -- cgit v1.1 From fe2d5ffc74a1de6a31e9fd65b65cce72d881edf7 Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Wed, 12 Nov 2008 13:25:00 -0800 Subject: Fix platform drivers that crash on suspend/resume It turns out that if one registers a struct platform_device, the platform device code expects that platform_device.device->driver points to a struct driver inside a struct platform_driver. This is not the case with the ipmi-si, ipmi-msghandler and ibmaem drivers, which causes the suspend/resume hook functions to jump off into nowhere, causing a crash. Make this assumption hold true for these three drivers. Signed-off-by: Darrick J. Wong Acked-by: Corey Minyard Cc: Jean Delvare Cc: Kay Sievers Cc: Greg KH Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/hwmon/ibmaem.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) (limited to 'drivers/hwmon') diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c index 7b0ed5d..fe74609 100644 --- a/drivers/hwmon/ibmaem.c +++ b/drivers/hwmon/ibmaem.c @@ -88,9 +88,11 @@ static DEFINE_IDR(aem_idr); static DEFINE_SPINLOCK(aem_idr_lock); -static struct device_driver aem_driver = { - .name = DRVNAME, - .bus = &platform_bus_type, +static struct platform_driver aem_driver = { + .driver = { + .name = DRVNAME, + .bus = &platform_bus_type, + } }; struct aem_ipmi_data { @@ -583,7 +585,7 @@ static int aem_init_aem1_inst(struct aem_ipmi_data *probe, u8 module_handle) data->pdev = platform_device_alloc(DRVNAME, data->id); if (!data->pdev) goto dev_err; - data->pdev->dev.driver = &aem_driver; + data->pdev->dev.driver = &aem_driver.driver; res = platform_device_add(data->pdev); if (res) @@ -716,7 +718,7 @@ static int aem_init_aem2_inst(struct aem_ipmi_data *probe, data->pdev = platform_device_alloc(DRVNAME, data->id); if (!data->pdev) goto dev_err; - data->pdev->dev.driver = &aem_driver; + data->pdev->dev.driver = &aem_driver.driver; res = platform_device_add(data->pdev); if (res) @@ -1085,7 +1087,7 @@ static int __init aem_init(void) { int res; - res = driver_register(&aem_driver); + res = driver_register(&aem_driver.driver); if (res) { printk(KERN_ERR "Can't register aem driver\n"); return res; @@ -1097,7 +1099,7 @@ static int __init aem_init(void) return 0; ipmi_reg_err: - driver_unregister(&aem_driver); + driver_unregister(&aem_driver.driver); return res; } @@ -1107,7 +1109,7 @@ static void __exit aem_exit(void) struct aem_data *p1, *next1; ipmi_smi_watcher_unregister(&driver_data.bmc_events); - driver_unregister(&aem_driver); + driver_unregister(&aem_driver.driver); list_for_each_entry_safe(p1, next1, &driver_data.aem_devices, list) aem_delete(p1); } -- cgit v1.1 From 05a9bd46e49a9cbb09a0c61c901642a9911bf56e Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Wed, 12 Nov 2008 13:26:57 -0800 Subject: adt7470: check input range when sysfs files are written Implement correct range checking for adt7470 to prevent userland from writing impossible values into the chip, and cap out-of-range values per standard hwmon conventions. Implement correct rounding of input values per standard hwmon conventions. Signed-off-by: Darrick J. Wong Cc: Jean Delvare Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/hwmon/adt7470.c | 75 ++++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 62 insertions(+), 13 deletions(-) (limited to 'drivers/hwmon') diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c index d368d8f..1311a59 100644 --- a/drivers/hwmon/adt7470.c +++ b/drivers/hwmon/adt7470.c @@ -137,6 +137,8 @@ I2C_CLIENT_INSMOD_1(adt7470); #define FAN_PERIOD_INVALID 65535 #define FAN_DATA_VALID(x) ((x) && (x) != FAN_PERIOD_INVALID) +#define ROUND_DIV(x, divisor) (((x) + ((divisor) / 2)) / (divisor)) + struct adt7470_data { struct device *hwmon_dev; struct attribute_group attrs; @@ -353,7 +355,13 @@ static ssize_t set_temp_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->temp_min[attr->index] = temp; @@ -381,7 +389,13 @@ static ssize_t set_temp_max(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->temp_max[attr->index] = temp; @@ -430,11 +444,13 @@ static ssize_t set_fan_max(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; - if (!temp) + if (strict_strtol(buf, 10, &temp) || !temp) return -EINVAL; + temp = FAN_RPM_TO_PERIOD(temp); + temp = SENSORS_LIMIT(temp, 1, 65534); mutex_lock(&data->lock); data->fan_max[attr->index] = temp; @@ -465,11 +481,13 @@ static ssize_t set_fan_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; - if (!temp) + if (strict_strtol(buf, 10, &temp) || !temp) return -EINVAL; + temp = FAN_RPM_TO_PERIOD(temp); + temp = SENSORS_LIMIT(temp, 1, 65534); mutex_lock(&data->lock); data->fan_min[attr->index] = temp; @@ -507,9 +525,12 @@ static ssize_t set_force_pwm_max(struct device *dev, { struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; u8 reg; + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + mutex_lock(&data->lock); data->force_pwm_max = temp; reg = i2c_smbus_read_byte_data(client, ADT7470_REG_CFG); @@ -537,7 +558,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm[attr->index] = temp; @@ -564,7 +590,12 @@ static ssize_t set_pwm_max(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm_max[attr->index] = temp; @@ -592,7 +623,12 @@ static ssize_t set_pwm_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm_min[attr->index] = temp; @@ -630,7 +666,13 @@ static ssize_t set_pwm_tmin(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm_tmin[attr->index] = temp; @@ -658,11 +700,14 @@ static ssize_t set_pwm_auto(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); int pwm_auto_reg = ADT7470_REG_PWM_CFG(attr->index); int pwm_auto_reg_mask; + long temp; u8 reg; + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + if (attr->index % 2) pwm_auto_reg_mask = ADT7470_PWM2_AUTO_MASK; else @@ -716,10 +761,14 @@ static ssize_t set_pwm_auto_temp(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7470_data *data = i2c_get_clientdata(client); - int temp = cvt_auto_temp(simple_strtol(buf, NULL, 10)); int pwm_auto_reg = ADT7470_REG_PWM_AUTO_TEMP(attr->index); + long temp; u8 reg; + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = cvt_auto_temp(temp); if (temp < 0) return temp; -- cgit v1.1 From 862343c4ea2ece307f25db1812637cff142d3263 Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Wed, 12 Nov 2008 13:26:58 -0800 Subject: adt7473: check inputs from sysfs writes Implement correct range checking for adt7470 to prevent userland from writing impossible values into the chip, and cap out-of-range values per standard hwmon conventions. Implement correct rounding of input values per standard hwmon conventions. Signed-off-by: Darrick J. Wong Cc: Jean Delvare Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/hwmon/adt7473.c | 89 ++++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 74 insertions(+), 15 deletions(-) (limited to 'drivers/hwmon') diff --git a/drivers/hwmon/adt7473.c b/drivers/hwmon/adt7473.c index b9a8ea3..18aa308 100644 --- a/drivers/hwmon/adt7473.c +++ b/drivers/hwmon/adt7473.c @@ -129,6 +129,8 @@ I2C_CLIENT_INSMOD_1(adt7473); #define FAN_PERIOD_INVALID 65535 #define FAN_DATA_VALID(x) ((x) && (x) != FAN_PERIOD_INVALID) +#define ROUND_DIV(x, divisor) (((x) + ((divisor) / 2)) / (divisor)) + struct adt7473_data { struct device *hwmon_dev; struct attribute_group attrs; @@ -357,7 +359,12 @@ static ssize_t set_volt_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int volt = encode_volt(attr->index, simple_strtol(buf, NULL, 10)); + long volt; + + if (strict_strtol(buf, 10, &volt)) + return -EINVAL; + + volt = encode_volt(attr->index, volt); mutex_lock(&data->lock); data->volt_min[attr->index] = volt; @@ -386,7 +393,12 @@ static ssize_t set_volt_max(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int volt = encode_volt(attr->index, simple_strtol(buf, NULL, 10)); + long volt; + + if (strict_strtol(buf, 10, &volt)) + return -EINVAL; + + volt = encode_volt(attr->index, volt); mutex_lock(&data->lock); data->volt_max[attr->index] = volt; @@ -419,7 +431,8 @@ static int decode_temp(u8 twos_complement, u8 raw) static u8 encode_temp(u8 twos_complement, int cooked) { - return twos_complement ? cooked & 0xFF : cooked + 64; + u8 ret = twos_complement ? cooked & 0xFF : cooked + 64; + return SENSORS_LIMIT(ret, 0, 255); } static ssize_t show_temp_min(struct device *dev, @@ -441,7 +454,12 @@ static ssize_t set_temp_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); temp = encode_temp(data->temp_twos_complement, temp); mutex_lock(&data->lock); @@ -472,7 +490,12 @@ static ssize_t set_temp_max(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); temp = encode_temp(data->temp_twos_complement, temp); mutex_lock(&data->lock); @@ -515,11 +538,13 @@ static ssize_t set_fan_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; - if (!temp) + if (strict_strtol(buf, 10, &temp) || !temp) return -EINVAL; + temp = FAN_RPM_TO_PERIOD(temp); + temp = SENSORS_LIMIT(temp, 1, 65534); mutex_lock(&data->lock); data->fan_min[attr->index] = temp; @@ -558,7 +583,10 @@ static ssize_t set_max_duty_at_crit(struct device *dev, u8 reg; struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; mutex_lock(&data->lock); data->max_duty_at_overheat = !!temp; @@ -587,7 +615,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm[attr->index] = temp; @@ -614,7 +647,12 @@ static ssize_t set_pwm_max(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm_max[attr->index] = temp; @@ -642,7 +680,12 @@ static ssize_t set_pwm_min(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); mutex_lock(&data->lock); data->pwm_min[attr->index] = temp; @@ -672,7 +715,12 @@ static ssize_t set_temp_tmax(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); temp = encode_temp(data->temp_twos_complement, temp); mutex_lock(&data->lock); @@ -703,7 +751,12 @@ static ssize_t set_temp_tmin(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10) / 1000; + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); temp = encode_temp(data->temp_twos_complement, temp); mutex_lock(&data->lock); @@ -741,7 +794,10 @@ static ssize_t set_pwm_enable(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; switch (temp) { case 0: @@ -805,7 +861,10 @@ static ssize_t set_pwm_auto_temp(struct device *dev, struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct i2c_client *client = to_i2c_client(dev); struct adt7473_data *data = i2c_get_clientdata(client); - int temp = simple_strtol(buf, NULL, 10); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; switch (temp) { case 1: -- cgit v1.1 From 79b92f2bab0dc5ac70e8391548f75ac3268426e4 Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Wed, 12 Nov 2008 13:26:59 -0800 Subject: lm85: support adt7468 chips The adt7468 is a follow-on to the adt7463, so plumb in adt7468 support along the same code paths. Signed-off-by: Darrick J. Wong Cc: Jean Delvare Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/hwmon/lm85.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++------ 1 file changed, 46 insertions(+), 6 deletions(-) (limited to 'drivers/hwmon') diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c index 3ff0285..cfc1ee9 100644 --- a/drivers/hwmon/lm85.c +++ b/drivers/hwmon/lm85.c @@ -39,7 +39,8 @@ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; /* Insmod parameters */ -I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102); +I2C_CLIENT_INSMOD_7(lm85b, lm85c, adm1027, adt7463, adt7468, emc6d100, + emc6d102); /* The LM85 registers */ @@ -59,6 +60,12 @@ I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102); #define LM85_REG_COMPANY 0x3e #define LM85_REG_VERSTEP 0x3f + +#define ADT7468_REG_CFG5 0x7c +#define ADT7468_OFF64 0x01 +#define IS_ADT7468_OFF64(data) \ + ((data)->type == adt7468 && !((data)->cfg5 & ADT7468_OFF64)) + /* These are the recognized values for the above regs */ #define LM85_COMPANY_NATIONAL 0x01 #define LM85_COMPANY_ANALOG_DEV 0x41 @@ -70,6 +77,8 @@ I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102); #define LM85_VERSTEP_ADM1027 0x60 #define LM85_VERSTEP_ADT7463 0x62 #define LM85_VERSTEP_ADT7463C 0x6A +#define LM85_VERSTEP_ADT7468_1 0x71 +#define LM85_VERSTEP_ADT7468_2 0x72 #define LM85_VERSTEP_EMC6D100_A0 0x60 #define LM85_VERSTEP_EMC6D100_A1 0x61 #define LM85_VERSTEP_EMC6D102 0x65 @@ -306,6 +315,7 @@ struct lm85_data { u8 vid; /* Register value */ u8 vrm; /* VRM version */ u32 alarms; /* Register encoding, combined */ + u8 cfg5; /* Config Register 5 on ADT7468 */ struct lm85_autofan autofan[3]; struct lm85_zone zone[3]; }; @@ -685,6 +695,9 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, struct lm85_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); + if (IS_ADT7468_OFF64(data)) + val += 64; + mutex_lock(&data->update_lock); data->temp_min[nr] = TEMP_TO_REG(val); lm85_write_value(client, LM85_REG_TEMP_MIN(nr), data->temp_min[nr]); @@ -708,6 +721,9 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, struct lm85_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); + if (IS_ADT7468_OFF64(data)) + val += 64; + mutex_lock(&data->update_lock); data->temp_max[nr] = TEMP_TO_REG(val); lm85_write_value(client, LM85_REG_TEMP_MAX(nr), data->temp_max[nr]); @@ -1163,6 +1179,10 @@ static int lm85_detect(struct i2c_client *client, int kind, case LM85_VERSTEP_ADT7463C: kind = adt7463; break; + case LM85_VERSTEP_ADT7468_1: + case LM85_VERSTEP_ADT7468_2: + kind = adt7468; + break; } } else if (company == LM85_COMPANY_SMSC) { switch (verstep) { @@ -1195,6 +1215,9 @@ static int lm85_detect(struct i2c_client *client, int kind, case adt7463: type_name = "adt7463"; break; + case adt7468: + type_name = "adt7468"; + break; case emc6d100: type_name = "emc6d100"; break; @@ -1246,10 +1269,11 @@ static int lm85_probe(struct i2c_client *client, if (err) goto err_kfree; - /* The ADT7463 has an optional VRM 10 mode where pin 21 is used + /* The ADT7463/68 have an optional VRM 10 mode where pin 21 is used as a sixth digital VID input rather than an analog input. */ data->vid = lm85_read_value(client, LM85_REG_VID); - if (!(data->type == adt7463 && (data->vid & 0x80))) + if (!((data->type == adt7463 || data->type == adt7468) && + (data->vid & 0x80))) if ((err = sysfs_create_group(&client->dev.kobj, &lm85_group_in4))) goto err_remove_files; @@ -1357,7 +1381,8 @@ static struct lm85_data *lm85_update_device(struct device *dev) * There are 2 additional resolution bits per channel and we * have room for 4, so we shift them to the left. */ - if (data->type == adm1027 || data->type == adt7463) { + if (data->type == adm1027 || data->type == adt7463 || + data->type == adt7468) { int ext1 = lm85_read_value(client, ADM1027_REG_EXTEND_ADC1); int ext2 = lm85_read_value(client, @@ -1382,16 +1407,23 @@ static struct lm85_data *lm85_update_device(struct device *dev) lm85_read_value(client, LM85_REG_FAN(i)); } - if (!(data->type == adt7463 && (data->vid & 0x80))) { + if (!((data->type == adt7463 || data->type == adt7468) && + (data->vid & 0x80))) { data->in[4] = lm85_read_value(client, LM85_REG_IN(4)); } + if (data->type == adt7468) + data->cfg5 = lm85_read_value(client, ADT7468_REG_CFG5); + for (i = 0; i <= 2; ++i) { data->temp[i] = lm85_read_value(client, LM85_REG_TEMP(i)); data->pwm[i] = lm85_read_value(client, LM85_REG_PWM(i)); + + if (IS_ADT7468_OFF64(data)) + data->temp[i] -= 64; } data->alarms = lm85_read_value(client, LM85_REG_ALARM1); @@ -1446,7 +1478,8 @@ static struct lm85_data *lm85_update_device(struct device *dev) lm85_read_value(client, LM85_REG_FAN_MIN(i)); } - if (!(data->type == adt7463 && (data->vid & 0x80))) { + if (!((data->type == adt7463 || data->type == adt7468) && + (data->vid & 0x80))) { data->in_min[4] = lm85_read_value(client, LM85_REG_IN_MIN(4)); data->in_max[4] = lm85_read_value(client, @@ -1481,6 +1514,13 @@ static struct lm85_data *lm85_update_device(struct device *dev) lm85_read_value(client, LM85_REG_AFAN_LIMIT(i)); data->zone[i].critical = lm85_read_value(client, LM85_REG_AFAN_CRITICAL(i)); + + if (IS_ADT7468_OFF64(data)) { + data->temp_min[i] -= 64; + data->temp_max[i] -= 64; + data->zone[i].limit -= 64; + data->zone[i].critical -= 64; + } } i = lm85_read_value(client, LM85_REG_AFAN_SPIKE1); -- cgit v1.1 From 455fbdd376c3ed3a5be8c039348896fdd87e9930 Mon Sep 17 00:00:00 2001 From: Pavel Machek Date: Wed, 12 Nov 2008 13:27:02 -0800 Subject: LIS3LV02Dx Accelerometer driver This adds a driver to the accelerometer sensor found in several HP laptops (under the commercial names of "HP Mobile Data Protection System 3D" and "HP 3D driveguard"). It tries to have more or less the same interfaces as the hdaps and other accelerometer drivers: in sysfs and as a joystick. This driver was first written by Yan Burman. Eric Piel has updated it and slimed it up (including the removal of an interface to access to the free-fall feature of the sensor because it is not reliable enough for now). Pavel Machek removed few more features and switched locking from semaphore to mutex. Several people have contributed to the database of the axes. [eric.piel@tremplin-utc.net: LIS3LV02D: Conform to the new ACPI API] Signed-off-by: Eric Piel Signed-off-by: Yan Burman Signed-off-by: Pavel Machek Cc: "Mark M. Hoffman" Signed-off-by: Eric Piel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/hwmon/Kconfig | 19 ++ drivers/hwmon/Makefile | 1 + drivers/hwmon/lis3lv02d.c | 582 ++++++++++++++++++++++++++++++++++++++++++++++ drivers/hwmon/lis3lv02d.h | 149 ++++++++++++ 4 files changed, 751 insertions(+) create mode 100644 drivers/hwmon/lis3lv02d.c create mode 100644 drivers/hwmon/lis3lv02d.h (limited to 'drivers/hwmon') diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 6de1e0f..1c44f5c 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -825,6 +825,25 @@ config SENSORS_HDAPS Say Y here if you have an applicable laptop and want to experience the awesome power of hdaps. +config SENSORS_LIS3LV02D + tristate "STMicroeletronics LIS3LV02Dx three-axis digital accelerometer" + depends on ACPI && INPUT + default n + help + This driver provides support for the LIS3LV02Dx accelerometer. In + particular, it can be found in a number of HP laptops, which have the + "Mobile Data Protection System 3D" or "3D DriveGuard" feature. On such + systems the driver should load automatically (via ACPI). The + accelerometer might also be found in other systems, connected via SPI + or I2C. The accelerometer data is readable via + /sys/devices/platform/lis3lv02d. + + This driver also provides an absolute input class device, allowing + the laptop to act as a pinball machine-esque joystick. + + This driver can also be built as a module. If so, the module + will be called lis3lv02d. + config SENSORS_APPLESMC tristate "Apple SMC (Motion sensor, light sensor, keyboard backlight)" depends on INPUT && X86 diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index 042d5a7..e0d90a6 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -48,6 +48,7 @@ obj-$(CONFIG_SENSORS_IBMAEM) += ibmaem.o obj-$(CONFIG_SENSORS_IBMPEX) += ibmpex.o obj-$(CONFIG_SENSORS_IT87) += it87.o obj-$(CONFIG_SENSORS_K8TEMP) += k8temp.o +obj-$(CONFIG_SENSORS_LIS3LV02D) += lis3lv02d.o obj-$(CONFIG_SENSORS_LM63) += lm63.o obj-$(CONFIG_SENSORS_LM70) += lm70.o obj-$(CONFIG_SENSORS_LM75) += lm75.o diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c new file mode 100644 index 0000000..752b5c4 --- /dev/null +++ b/drivers/hwmon/lis3lv02d.c @@ -0,0 +1,582 @@ +/* + * lis3lv02d.c - ST LIS3LV02DL accelerometer driver + * + * Copyright (C) 2007-2008 Yan Burman + * Copyright (C) 2008 Eric Piel + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "lis3lv02d.h" + +#define DRIVER_NAME "lis3lv02d" +#define ACPI_MDPS_CLASS "accelerometer" + +/* joystick device poll interval in milliseconds */ +#define MDPS_POLL_INTERVAL 50 +/* + * The sensor can also generate interrupts (DRDY) but it's pretty pointless + * because their are generated even if the data do not change. So it's better + * to keep the interrupt for the free-fall event. The values are updated at + * 40Hz (at the lowest frequency), but as it can be pretty time consuming on + * some low processor, we poll the sensor only at 20Hz... enough for the + * joystick. + */ + +/* Maximum value our axis may get for the input device (signed 12 bits) */ +#define MDPS_MAX_VAL 2048 + +struct axis_conversion { + s8 x; + s8 y; + s8 z; +}; + +struct acpi_lis3lv02d { + struct acpi_device *device; /* The ACPI device */ + struct input_dev *idev; /* input device */ + struct task_struct *kthread; /* kthread for input */ + struct mutex lock; + struct platform_device *pdev; /* platform device */ + atomic_t count; /* interrupt count after last read */ + int xcalib; /* calibrated null value for x */ + int ycalib; /* calibrated null value for y */ + int zcalib; /* calibrated null value for z */ + unsigned char is_on; /* whether the device is on or off */ + unsigned char usage; /* usage counter */ + struct axis_conversion ac; /* hw -> logical axis */ +}; + +static struct acpi_lis3lv02d adev; + +static int lis3lv02d_remove_fs(void); +static int lis3lv02d_add_fs(struct acpi_device *device); + +/* For automatic insertion of the module */ +static struct acpi_device_id lis3lv02d_device_ids[] = { + {"HPQ0004", 0}, /* HP Mobile Data Protection System PNP */ + {"", 0}, +}; +MODULE_DEVICE_TABLE(acpi, lis3lv02d_device_ids); + +/** + * lis3lv02d_acpi_init - ACPI _INI method: initialize the device. + * @handle: the handle of the device + * + * Returns AE_OK on success. + */ +static inline acpi_status lis3lv02d_acpi_init(acpi_handle handle) +{ + return acpi_evaluate_object(handle, METHOD_NAME__INI, NULL, NULL); +} + +/** + * lis3lv02d_acpi_read - ACPI ALRD method: read a register + * @handle: the handle of the device + * @reg: the register to read + * @ret: result of the operation + * + * Returns AE_OK on success. + */ +static acpi_status lis3lv02d_acpi_read(acpi_handle handle, int reg, u8 *ret) +{ + union acpi_object arg0 = { ACPI_TYPE_INTEGER }; + struct acpi_object_list args = { 1, &arg0 }; + unsigned long long lret; + acpi_status status; + + arg0.integer.value = reg; + + status = acpi_evaluate_integer(handle, "ALRD", &args, &lret); + *ret = lret; + return status; +} + +/** + * lis3lv02d_acpi_write - ACPI ALWR method: write to a register + * @handle: the handle of the device + * @reg: the register to write to + * @val: the value to write + * + * Returns AE_OK on success. + */ +static acpi_status lis3lv02d_acpi_write(acpi_handle handle, int reg, u8 val) +{ + unsigned long long ret; /* Not used when writting */ + union acpi_object in_obj[2]; + struct acpi_object_list args = { 2, in_obj }; + + in_obj[0].type = ACPI_TYPE_INTEGER; + in_obj[0].integer.value = reg; + in_obj[1].type = ACPI_TYPE_INTEGER; + in_obj[1].integer.value = val; + + return acpi_evaluate_integer(handle, "ALWR", &args, &ret); +} + +static s16 lis3lv02d_read_16(acpi_handle handle, int reg) +{ + u8 lo, hi; + + lis3lv02d_acpi_read(handle, reg, &lo); + lis3lv02d_acpi_read(handle, reg + 1, &hi); + /* In "12 bit right justified" mode, bit 6, bit 7, bit 8 = bit 5 */ + return (s16)((hi << 8) | lo); +} + +/** + * lis3lv02d_get_axis - For the given axis, give the value converted + * @axis: 1,2,3 - can also be negative + * @hw_values: raw values returned by the hardware + * + * Returns the converted value. + */ +static inline int lis3lv02d_get_axis(s8 axis, int hw_values[3]) +{ + if (axis > 0) + return hw_values[axis - 1]; + else + return -hw_values[-axis - 1]; +} + +/** + * lis3lv02d_get_xyz - Get X, Y and Z axis values from the accelerometer + * @handle: the handle to the device + * @x: where to store the X axis value + * @y: where to store the Y axis value + * @z: where to store the Z axis value + * + * Note that 40Hz input device can eat up about 10% CPU at 800MHZ + */ +static void lis3lv02d_get_xyz(acpi_handle handle, int *x, int *y, int *z) +{ + int position[3]; + + position[0] = lis3lv02d_read_16(handle, OUTX_L); + position[1] = lis3lv02d_read_16(handle, OUTY_L); + position[2] = lis3lv02d_read_16(handle, OUTZ_L); + + *x = lis3lv02d_get_axis(adev.ac.x, position); + *y = lis3lv02d_get_axis(adev.ac.y, position); + *z = lis3lv02d_get_axis(adev.ac.z, position); +} + +static inline void lis3lv02d_poweroff(acpi_handle handle) +{ + adev.is_on = 0; + /* disable X,Y,Z axis and power down */ + lis3lv02d_acpi_write(handle, CTRL_REG1, 0x00); +} + +static void lis3lv02d_poweron(acpi_handle handle) +{ + u8 val; + + adev.is_on = 1; + lis3lv02d_acpi_init(handle); + lis3lv02d_acpi_write(handle, FF_WU_CFG, 0); + /* + * BDU: LSB and MSB values are not updated until both have been read. + * So the value read will always be correct. + * IEN: Interrupt for free-fall and DD, not for data-ready. + */ + lis3lv02d_acpi_read(handle, CTRL_REG2, &val); + val |= CTRL2_BDU | CTRL2_IEN; + lis3lv02d_acpi_write(handle, CTRL_REG2, val); +} + +#ifdef CONFIG_PM +static int lis3lv02d_suspend(struct acpi_device *device, pm_message_t state) +{ + /* make sure the device is off when we suspend */ + lis3lv02d_poweroff(device->handle); + return 0; +} + +static int lis3lv02d_resume(struct acpi_device *device) +{ + /* put back the device in the right state (ACPI might turn it on) */ + mutex_lock(&adev.lock); + if (adev.usage > 0) + lis3lv02d_poweron(device->handle); + else + lis3lv02d_poweroff(device->handle); + mutex_unlock(&adev.lock); + return 0; +} +#else +#define lis3lv02d_suspend NULL +#define lis3lv02d_resume NULL +#endif + + +/* + * To be called before starting to use the device. It makes sure that the + * device will always be on until a call to lis3lv02d_decrease_use(). Not to be + * used from interrupt context. + */ +static void lis3lv02d_increase_use(struct acpi_lis3lv02d *dev) +{ + mutex_lock(&dev->lock); + dev->usage++; + if (dev->usage == 1) { + if (!dev->is_on) + lis3lv02d_poweron(dev->device->handle); + } + mutex_unlock(&dev->lock); +} + +/* + * To be called whenever a usage of the device is stopped. + * It will make sure to turn off the device when there is not usage. + */ +static void lis3lv02d_decrease_use(struct acpi_lis3lv02d *dev) +{ + mutex_lock(&dev->lock); + dev->usage--; + if (dev->usage == 0) + lis3lv02d_poweroff(dev->device->handle); + mutex_unlock(&dev->lock); +} + +/** + * lis3lv02d_joystick_kthread - Kthread polling function + * @data: unused - here to conform to threadfn prototype + */ +static int lis3lv02d_joystick_kthread(void *data) +{ + int x, y, z; + + while (!kthread_should_stop()) { + lis3lv02d_get_xyz(adev.device->handle, &x, &y, &z); + input_report_abs(adev.idev, ABS_X, x - adev.xcalib); + input_report_abs(adev.idev, ABS_Y, y - adev.ycalib); + input_report_abs(adev.idev, ABS_Z, z - adev.zcalib); + + input_sync(adev.idev); + + try_to_freeze(); + msleep_interruptible(MDPS_POLL_INTERVAL); + } + + return 0; +} + +static int lis3lv02d_joystick_open(struct input_dev *input) +{ + lis3lv02d_increase_use(&adev); + adev.kthread = kthread_run(lis3lv02d_joystick_kthread, NULL, "klis3lv02d"); + if (IS_ERR(adev.kthread)) { + lis3lv02d_decrease_use(&adev); + return PTR_ERR(adev.kthread); + } + + return 0; +} + +static void lis3lv02d_joystick_close(struct input_dev *input) +{ + kthread_stop(adev.kthread); + lis3lv02d_decrease_use(&adev); +} + + +static inline void lis3lv02d_calibrate_joystick(void) +{ + lis3lv02d_get_xyz(adev.device->handle, &adev.xcalib, &adev.ycalib, &adev.zcalib); +} + +static int lis3lv02d_joystick_enable(void) +{ + int err; + + if (adev.idev) + return -EINVAL; + + adev.idev = input_allocate_device(); + if (!adev.idev) + return -ENOMEM; + + lis3lv02d_calibrate_joystick(); + + adev.idev->name = "ST LIS3LV02DL Accelerometer"; + adev.idev->phys = DRIVER_NAME "/input0"; + adev.idev->id.bustype = BUS_HOST; + adev.idev->id.vendor = 0; + adev.idev->dev.parent = &adev.pdev->dev; + adev.idev->open = lis3lv02d_joystick_open; + adev.idev->close = lis3lv02d_joystick_close; + + set_bit(EV_ABS, adev.idev->evbit); + input_set_abs_params(adev.idev, ABS_X, -MDPS_MAX_VAL, MDPS_MAX_VAL, 3, 3); + input_set_abs_params(adev.idev, ABS_Y, -MDPS_MAX_VAL, MDPS_MAX_VAL, 3, 3); + input_set_abs_params(adev.idev, ABS_Z, -MDPS_MAX_VAL, MDPS_MAX_VAL, 3, 3); + + err = input_register_device(adev.idev); + if (err) { + input_free_device(adev.idev); + adev.idev = NULL; + } + + return err; +} + +static void lis3lv02d_joystick_disable(void) +{ + if (!adev.idev) + return; + + input_unregister_device(adev.idev); + adev.idev = NULL; +} + + +/* + * Initialise the accelerometer and the various subsystems. + * Should be rather independant of the bus system. + */ +static int lis3lv02d_init_device(struct acpi_lis3lv02d *dev) +{ + mutex_init(&dev->lock); + lis3lv02d_add_fs(dev->device); + lis3lv02d_increase_use(dev); + + if (lis3lv02d_joystick_enable()) + printk(KERN_ERR DRIVER_NAME ": joystick initialization failed\n"); + + lis3lv02d_decrease_use(dev); + return 0; +} + +static int lis3lv02d_dmi_matched(const struct dmi_system_id *dmi) +{ + adev.ac = *((struct axis_conversion *)dmi->driver_data); + printk(KERN_INFO DRIVER_NAME ": hardware type %s found.\n", dmi->ident); + + return 1; +} + +/* Represents, for each axis seen by userspace, the corresponding hw axis (+1). + * If the value is negative, the opposite of the hw value is used. */ +static struct axis_conversion lis3lv02d_axis_normal = {1, 2, 3}; +static struct axis_conversion lis3lv02d_axis_y_inverted = {1, -2, 3}; +static struct axis_conversion lis3lv02d_axis_x_inverted = {-1, 2, 3}; +static struct axis_conversion lis3lv02d_axis_z_inverted = {1, 2, -3}; +static struct axis_conversion lis3lv02d_axis_xy_rotated_left = {-2, 1, 3}; +static struct axis_conversion lis3lv02d_axis_xy_swap_inverted = {-2, -1, 3}; + +#define AXIS_DMI_MATCH(_ident, _name, _axis) { \ + .ident = _ident, \ + .callback = lis3lv02d_dmi_matched, \ + .matches = { \ + DMI_MATCH(DMI_PRODUCT_NAME, _name) \ + }, \ + .driver_data = &lis3lv02d_axis_##_axis \ +} +static struct dmi_system_id lis3lv02d_dmi_ids[] = { + /* product names are truncated to match all kinds of a same model */ + AXIS_DMI_MATCH("NC64x0", "HP Compaq nc64", x_inverted), + AXIS_DMI_MATCH("NC84x0", "HP Compaq nc84", z_inverted), + AXIS_DMI_MATCH("NX9420", "HP Compaq nx9420", x_inverted), + AXIS_DMI_MATCH("NW9440", "HP Compaq nw9440", x_inverted), + AXIS_DMI_MATCH("NC2510", "HP Compaq 2510", y_inverted), + AXIS_DMI_MATCH("NC8510", "HP Compaq 8510", xy_swap_inverted), + AXIS_DMI_MATCH("HP2133", "HP 2133", xy_rotated_left), + { NULL, } +/* Laptop models without axis info (yet): + * "NC651xx" "HP Compaq 651" + * "NC671xx" "HP Compaq 671" + * "NC6910" "HP Compaq 6910" + * HP Compaq 8710x Notebook PC / Mobile Workstation + * "NC2400" "HP Compaq nc2400" + * "NX74x0" "HP Compaq nx74" + * "NX6325" "HP Compaq nx6325" + * "NC4400" "HP Compaq nc4400" + */ +}; + +static int lis3lv02d_add(struct acpi_device *device) +{ + u8 val; + + if (!device) + return -EINVAL; + + adev.device = device; + strcpy(acpi_device_name(device), DRIVER_NAME); + strcpy(acpi_device_class(device), ACPI_MDPS_CLASS); + device->driver_data = &adev; + + lis3lv02d_acpi_read(device->handle, WHO_AM_I, &val); + if ((val != LIS3LV02DL_ID) && (val != LIS302DL_ID)) { + printk(KERN_ERR DRIVER_NAME + ": Accelerometer chip not LIS3LV02D{L,Q}\n"); + } + + /* If possible use a "standard" axes order */ + if (dmi_check_system(lis3lv02d_dmi_ids) == 0) { + printk(KERN_INFO DRIVER_NAME ": laptop model unknown, " + "using default axes configuration\n"); + adev.ac = lis3lv02d_axis_normal; + } + + return lis3lv02d_init_device(&adev); +} + +static int lis3lv02d_remove(struct acpi_device *device, int type) +{ + if (!device) + return -EINVAL; + + lis3lv02d_joystick_disable(); + lis3lv02d_poweroff(device->handle); + + return lis3lv02d_remove_fs(); +} + + +/* Sysfs stuff */ +static ssize_t lis3lv02d_position_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int x, y, z; + + lis3lv02d_increase_use(&adev); + lis3lv02d_get_xyz(adev.device->handle, &x, &y, &z); + lis3lv02d_decrease_use(&adev); + return sprintf(buf, "(%d,%d,%d)\n", x, y, z); +} + +static ssize_t lis3lv02d_calibrate_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "(%d,%d,%d)\n", adev.xcalib, adev.ycalib, adev.zcalib); +} + +static ssize_t lis3lv02d_calibrate_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + lis3lv02d_increase_use(&adev); + lis3lv02d_calibrate_joystick(); + lis3lv02d_decrease_use(&adev); + return count; +} + +/* conversion btw sampling rate and the register values */ +static int lis3lv02dl_df_val[4] = {40, 160, 640, 2560}; +static ssize_t lis3lv02d_rate_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + u8 ctrl; + int val; + + lis3lv02d_increase_use(&adev); + lis3lv02d_acpi_read(adev.device->handle, CTRL_REG1, &ctrl); + lis3lv02d_decrease_use(&adev); + val = (ctrl & (CTRL1_DF0 | CTRL1_DF1)) >> 4; + return sprintf(buf, "%d\n", lis3lv02dl_df_val[val]); +} + +static DEVICE_ATTR(position, S_IRUGO, lis3lv02d_position_show, NULL); +static DEVICE_ATTR(calibrate, S_IRUGO|S_IWUSR, lis3lv02d_calibrate_show, + lis3lv02d_calibrate_store); +static DEVICE_ATTR(rate, S_IRUGO, lis3lv02d_rate_show, NULL); + +static struct attribute *lis3lv02d_attributes[] = { + &dev_attr_position.attr, + &dev_attr_calibrate.attr, + &dev_attr_rate.attr, + NULL +}; + +static struct attribute_group lis3lv02d_attribute_group = { + .attrs = lis3lv02d_attributes +}; + +static int lis3lv02d_add_fs(struct acpi_device *device) +{ + adev.pdev = platform_device_register_simple(DRIVER_NAME, -1, NULL, 0); + if (IS_ERR(adev.pdev)) + return PTR_ERR(adev.pdev); + + return sysfs_create_group(&adev.pdev->dev.kobj, &lis3lv02d_attribute_group); +} + +static int lis3lv02d_remove_fs(void) +{ + sysfs_remove_group(&adev.pdev->dev.kobj, &lis3lv02d_attribute_group); + platform_device_unregister(adev.pdev); + return 0; +} + +/* For the HP MDPS aka 3D Driveguard */ +static struct acpi_driver lis3lv02d_driver = { + .name = DRIVER_NAME, + .class = ACPI_MDPS_CLASS, + .ids = lis3lv02d_device_ids, + .ops = { + .add = lis3lv02d_add, + .remove = lis3lv02d_remove, + .suspend = lis3lv02d_suspend, + .resume = lis3lv02d_resume, + } +}; + +static int __init lis3lv02d_init_module(void) +{ + int ret; + + if (acpi_disabled) + return -ENODEV; + + ret = acpi_bus_register_driver(&lis3lv02d_driver); + if (ret < 0) + return ret; + + printk(KERN_INFO DRIVER_NAME " driver loaded.\n"); + + return 0; +} + +static void __exit lis3lv02d_exit_module(void) +{ + acpi_bus_unregister_driver(&lis3lv02d_driver); +} + +MODULE_DESCRIPTION("ST LIS3LV02Dx three-axis digital accelerometer driver"); +MODULE_AUTHOR("Yan Burman and Eric Piel"); +MODULE_LICENSE("GPL"); + +module_init(lis3lv02d_init_module); +module_exit(lis3lv02d_exit_module); diff --git a/drivers/hwmon/lis3lv02d.h b/drivers/hwmon/lis3lv02d.h new file mode 100644 index 0000000..330cfc6 --- /dev/null +++ b/drivers/hwmon/lis3lv02d.h @@ -0,0 +1,149 @@ +/* + * lis3lv02d.h - ST LIS3LV02DL accelerometer driver + * + * Copyright (C) 2007-2008 Yan Burman + * Copyright (C) 2008 Eric Piel + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* + * The actual chip is STMicroelectronics LIS3LV02DL or LIS3LV02DQ that seems to + * be connected via SPI. There exists also several similar chips (such as LIS302DL or + * LIS3L02DQ) but not in the HP laptops and they have slightly different registers. + * They can also be connected via I²C. + */ + +#define LIS3LV02DL_ID 0x3A /* Also the LIS3LV02DQ */ +#define LIS302DL_ID 0x3B /* Also the LIS202DL! */ + +enum lis3lv02d_reg { + WHO_AM_I = 0x0F, + OFFSET_X = 0x16, + OFFSET_Y = 0x17, + OFFSET_Z = 0x18, + GAIN_X = 0x19, + GAIN_Y = 0x1A, + GAIN_Z = 0x1B, + CTRL_REG1 = 0x20, + CTRL_REG2 = 0x21, + CTRL_REG3 = 0x22, + HP_FILTER_RESET = 0x23, + STATUS_REG = 0x27, + OUTX_L = 0x28, + OUTX_H = 0x29, + OUTY_L = 0x2A, + OUTY_H = 0x2B, + OUTZ_L = 0x2C, + OUTZ_H = 0x2D, + FF_WU_CFG = 0x30, + FF_WU_SRC = 0x31, + FF_WU_ACK = 0x32, + FF_WU_THS_L = 0x34, + FF_WU_THS_H = 0x35, + FF_WU_DURATION = 0x36, + DD_CFG = 0x38, + DD_SRC = 0x39, + DD_ACK = 0x3A, + DD_THSI_L = 0x3C, + DD_THSI_H = 0x3D, + DD_THSE_L = 0x3E, + DD_THSE_H = 0x3F, +}; + +enum lis3lv02d_ctrl1 { + CTRL1_Xen = 0x01, + CTRL1_Yen = 0x02, + CTRL1_Zen = 0x04, + CTRL1_ST = 0x08, + CTRL1_DF0 = 0x10, + CTRL1_DF1 = 0x20, + CTRL1_PD0 = 0x40, + CTRL1_PD1 = 0x80, +}; +enum lis3lv02d_ctrl2 { + CTRL2_DAS = 0x01, + CTRL2_SIM = 0x02, + CTRL2_DRDY = 0x04, + CTRL2_IEN = 0x08, + CTRL2_BOOT = 0x10, + CTRL2_BLE = 0x20, + CTRL2_BDU = 0x40, /* Block Data Update */ + CTRL2_FS = 0x80, /* Full Scale selection */ +}; + + +enum lis3lv02d_ctrl3 { + CTRL3_CFS0 = 0x01, + CTRL3_CFS1 = 0x02, + CTRL3_FDS = 0x10, + CTRL3_HPFF = 0x20, + CTRL3_HPDD = 0x40, + CTRL3_ECK = 0x80, +}; + +enum lis3lv02d_status_reg { + STATUS_XDA = 0x01, + STATUS_YDA = 0x02, + STATUS_ZDA = 0x04, + STATUS_XYZDA = 0x08, + STATUS_XOR = 0x10, + STATUS_YOR = 0x20, + STATUS_ZOR = 0x40, + STATUS_XYZOR = 0x80, +}; + +enum lis3lv02d_ff_wu_cfg { + FF_WU_CFG_XLIE = 0x01, + FF_WU_CFG_XHIE = 0x02, + FF_WU_CFG_YLIE = 0x04, + FF_WU_CFG_YHIE = 0x08, + FF_WU_CFG_ZLIE = 0x10, + FF_WU_CFG_ZHIE = 0x20, + FF_WU_CFG_LIR = 0x40, + FF_WU_CFG_AOI = 0x80, +}; + +enum lis3lv02d_ff_wu_src { + FF_WU_SRC_XL = 0x01, + FF_WU_SRC_XH = 0x02, + FF_WU_SRC_YL = 0x04, + FF_WU_SRC_YH = 0x08, + FF_WU_SRC_ZL = 0x10, + FF_WU_SRC_ZH = 0x20, + FF_WU_SRC_IA = 0x40, +}; + +enum lis3lv02d_dd_cfg { + DD_CFG_XLIE = 0x01, + DD_CFG_XHIE = 0x02, + DD_CFG_YLIE = 0x04, + DD_CFG_YHIE = 0x08, + DD_CFG_ZLIE = 0x10, + DD_CFG_ZHIE = 0x20, + DD_CFG_LIR = 0x40, + DD_CFG_IEND = 0x80, +}; + +enum lis3lv02d_dd_src { + DD_SRC_XL = 0x01, + DD_SRC_XH = 0x02, + DD_SRC_YL = 0x04, + DD_SRC_YH = 0x08, + DD_SRC_ZL = 0x10, + DD_SRC_ZH = 0x20, + DD_SRC_IA = 0x40, +}; + -- cgit v1.1 From c0b4e3ab0c769913438aeb078535ff117eeba5fb Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Wed, 12 Nov 2008 13:27:03 -0800 Subject: adt7462: new hwmon driver New driver to play with. As Jean mentioned a couple of years ago, this chip is a beast with odd combinations of 8 fans, 4 temperatures, and 13 voltage sensors. This driver has been tested on an IntelliStation Z30. Signed-off-by: Darrick J. Wong Cc: Jean Delvare Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/hwmon/Kconfig | 10 + drivers/hwmon/Makefile | 1 + drivers/hwmon/adt7462.c | 2002 +++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 2013 insertions(+) create mode 100644 drivers/hwmon/adt7462.c (limited to 'drivers/hwmon') diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 1c44f5c..c709e82 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -159,6 +159,16 @@ config SENSORS_ADM9240 This driver can also be built as a module. If so, the module will be called adm9240. +config SENSORS_ADT7462 + tristate "Analog Devices ADT7462" + depends on I2C && EXPERIMENTAL + help + If you say yes here you get support for the Analog Devices + ADT7462 temperature monitoring chips. + + This driver can also be built as a module. If so, the module + will be called adt7462. + config SENSORS_ADT7470 tristate "Analog Devices ADT7470" depends on I2C && EXPERIMENTAL diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index e0d90a6..58fc5be 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -25,6 +25,7 @@ obj-$(CONFIG_SENSORS_ADM1029) += adm1029.o obj-$(CONFIG_SENSORS_ADM1031) += adm1031.o obj-$(CONFIG_SENSORS_ADM9240) += adm9240.o obj-$(CONFIG_SENSORS_ADS7828) += ads7828.o +obj-$(CONFIG_SENSORS_ADT7462) += adt7462.o obj-$(CONFIG_SENSORS_ADT7470) += adt7470.o obj-$(CONFIG_SENSORS_ADT7473) += adt7473.o obj-$(CONFIG_SENSORS_APPLESMC) += applesmc.o diff --git a/drivers/hwmon/adt7462.c b/drivers/hwmon/adt7462.c new file mode 100644 index 0000000..66107b4 --- /dev/null +++ b/drivers/hwmon/adt7462.c @@ -0,0 +1,2002 @@ +/* + * A hwmon driver for the Analog Devices ADT7462 + * Copyright (C) 2008 IBM + * + * Author: Darrick J. Wong + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* Addresses to scan */ +static const unsigned short normal_i2c[] = { 0x58, 0x5C, I2C_CLIENT_END }; + +/* Insmod parameters */ +I2C_CLIENT_INSMOD_1(adt7462); + +/* ADT7462 registers */ +#define ADT7462_REG_DEVICE 0x3D +#define ADT7462_REG_VENDOR 0x3E +#define ADT7462_REG_REVISION 0x3F + +#define ADT7462_REG_MIN_TEMP_BASE_ADDR 0x44 +#define ADT7462_REG_MIN_TEMP_MAX_ADDR 0x47 +#define ADT7462_REG_MAX_TEMP_BASE_ADDR 0x48 +#define ADT7462_REG_MAX_TEMP_MAX_ADDR 0x4B +#define ADT7462_REG_TEMP_BASE_ADDR 0x88 +#define ADT7462_REG_TEMP_MAX_ADDR 0x8F + +#define ADT7462_REG_FAN_BASE_ADDR 0x98 +#define ADT7462_REG_FAN_MAX_ADDR 0x9F +#define ADT7462_REG_FAN2_BASE_ADDR 0xA2 +#define ADT7462_REG_FAN2_MAX_ADDR 0xA9 +#define ADT7462_REG_FAN_ENABLE 0x07 +#define ADT7462_REG_FAN_MIN_BASE_ADDR 0x78 +#define ADT7462_REG_FAN_MIN_MAX_ADDR 0x7F + +#define ADT7462_REG_CFG2 0x02 +#define ADT7462_FSPD_MASK 0x20 + +#define ADT7462_REG_PWM_BASE_ADDR 0xAA +#define ADT7462_REG_PWM_MAX_ADDR 0xAD +#define ADT7462_REG_PWM_MIN_BASE_ADDR 0x28 +#define ADT7462_REG_PWM_MIN_MAX_ADDR 0x2B +#define ADT7462_REG_PWM_MAX 0x2C +#define ADT7462_REG_PWM_TEMP_MIN_BASE_ADDR 0x5C +#define ADT7462_REG_PWM_TEMP_MIN_MAX_ADDR 0x5F +#define ADT7462_REG_PWM_TEMP_RANGE_BASE_ADDR 0x60 +#define ADT7462_REG_PWM_TEMP_RANGE_MAX_ADDR 0x63 +#define ADT7462_PWM_HYST_MASK 0x0F +#define ADT7462_PWM_RANGE_MASK 0xF0 +#define ADT7462_PWM_RANGE_SHIFT 4 +#define ADT7462_REG_PWM_CFG_BASE_ADDR 0x21 +#define ADT7462_REG_PWM_CFG_MAX_ADDR 0x24 +#define ADT7462_PWM_CHANNEL_MASK 0xE0 +#define ADT7462_PWM_CHANNEL_SHIFT 5 + +#define ADT7462_REG_PIN_CFG_BASE_ADDR 0x10 +#define ADT7462_REG_PIN_CFG_MAX_ADDR 0x13 +#define ADT7462_PIN7_INPUT 0x01 /* cfg0 */ +#define ADT7462_DIODE3_INPUT 0x20 +#define ADT7462_DIODE1_INPUT 0x40 +#define ADT7462_VID_INPUT 0x80 +#define ADT7462_PIN22_INPUT 0x04 /* cfg1 */ +#define ADT7462_PIN21_INPUT 0x08 +#define ADT7462_PIN19_INPUT 0x10 +#define ADT7462_PIN15_INPUT 0x20 +#define ADT7462_PIN13_INPUT 0x40 +#define ADT7462_PIN8_INPUT 0x80 +#define ADT7462_PIN23_MASK 0x03 +#define ADT7462_PIN23_SHIFT 0 +#define ADT7462_PIN26_MASK 0x0C /* cfg2 */ +#define ADT7462_PIN26_SHIFT 2 +#define ADT7462_PIN25_MASK 0x30 +#define ADT7462_PIN25_SHIFT 4 +#define ADT7462_PIN24_MASK 0xC0 +#define ADT7462_PIN24_SHIFT 6 +#define ADT7462_PIN26_VOLT_INPUT 0x08 +#define ADT7462_PIN25_VOLT_INPUT 0x20 +#define ADT7462_PIN28_SHIFT 6 /* cfg3 */ +#define ADT7462_PIN28_VOLT 0x5 + +#define ADT7462_REG_ALARM1 0xB8 +#define ADT7462_LT_ALARM 0x02 +#define ADT7462_R1T_ALARM 0x04 +#define ADT7462_R2T_ALARM 0x08 +#define ADT7462_R3T_ALARM 0x10 +#define ADT7462_REG_ALARM2 0xBB +#define ADT7462_V0_ALARM 0x01 +#define ADT7462_V1_ALARM 0x02 +#define ADT7462_V2_ALARM 0x04 +#define ADT7462_V3_ALARM 0x08 +#define ADT7462_V4_ALARM 0x10 +#define ADT7462_V5_ALARM 0x20 +#define ADT7462_V6_ALARM 0x40 +#define ADT7462_V7_ALARM 0x80 +#define ADT7462_REG_ALARM3 0xBC +#define ADT7462_V8_ALARM 0x08 +#define ADT7462_V9_ALARM 0x10 +#define ADT7462_V10_ALARM 0x20 +#define ADT7462_V11_ALARM 0x40 +#define ADT7462_V12_ALARM 0x80 +#define ADT7462_REG_ALARM4 0xBD +#define ADT7462_F0_ALARM 0x01 +#define ADT7462_F1_ALARM 0x02 +#define ADT7462_F2_ALARM 0x04 +#define ADT7462_F3_ALARM 0x08 +#define ADT7462_F4_ALARM 0x10 +#define ADT7462_F5_ALARM 0x20 +#define ADT7462_F6_ALARM 0x40 +#define ADT7462_F7_ALARM 0x80 +#define ADT7462_ALARM1 0x0000 +#define ADT7462_ALARM2 0x0100 +#define ADT7462_ALARM3 0x0200 +#define ADT7462_ALARM4 0x0300 +#define ADT7462_ALARM_REG_SHIFT 8 +#define ADT7462_ALARM_FLAG_MASK 0x0F + +#define ADT7462_TEMP_COUNT 4 +#define ADT7462_TEMP_REG(x) (ADT7462_REG_TEMP_BASE_ADDR + (x * 2)) +#define ADT7462_TEMP_MIN_REG(x) (ADT7462_REG_MIN_TEMP_BASE_ADDR + (x)) +#define ADT7462_TEMP_MAX_REG(x) (ADT7462_REG_MAX_TEMP_BASE_ADDR + (x)) +#define TEMP_FRAC_OFFSET 6 + +#define ADT7462_FAN_COUNT 8 +#define ADT7462_REG_FAN_MIN(x) (ADT7462_REG_FAN_MIN_BASE_ADDR + (x)) + +#define ADT7462_PWM_COUNT 4 +#define ADT7462_REG_PWM(x) (ADT7462_REG_PWM_BASE_ADDR + (x)) +#define ADT7462_REG_PWM_MIN(x) (ADT7462_REG_PWM_MIN_BASE_ADDR + (x)) +#define ADT7462_REG_PWM_TMIN(x) \ + (ADT7462_REG_PWM_TEMP_MIN_BASE_ADDR + (x)) +#define ADT7462_REG_PWM_TRANGE(x) \ + (ADT7462_REG_PWM_TEMP_RANGE_BASE_ADDR + (x)) + +#define ADT7462_PIN_CFG_REG_COUNT 4 +#define ADT7462_REG_PIN_CFG(x) (ADT7462_REG_PIN_CFG_BASE_ADDR + (x)) +#define ADT7462_REG_PWM_CFG(x) (ADT7462_REG_PWM_CFG_BASE_ADDR + (x)) + +#define ADT7462_ALARM_REG_COUNT 4 + +/* + * The chip can measure 13 different voltage sources: + * + * 1. +12V1 (pin 7) + * 2. Vccp1/+2.5V/+1.8V/+1.5V (pin 23) + * 3. +12V3 (pin 22) + * 4. +5V (pin 21) + * 5. +1.25V/+0.9V (pin 19) + * 6. +2.5V/+1.8V (pin 15) + * 7. +3.3v (pin 13) + * 8. +12V2 (pin 8) + * 9. Vbatt/FSB_Vtt (pin 26) + * A. +3.3V/+1.2V1 (pin 25) + * B. Vccp2/+2.5V/+1.8V/+1.5V (pin 24) + * C. +1.5V ICH (only if BOTH pin 28/29 are set to +1.5V) + * D. +1.5V 3GPIO (only if BOTH pin 28/29 are set to +1.5V) + * + * Each of these 13 has a factor to convert raw to voltage. Even better, + * the pins can be connected to other sensors (tach/gpio/hot/etc), which + * makes the bookkeeping tricky. + * + * Some, but not all, of these voltages have low/high limits. + */ +#define ADT7462_VOLT_COUNT 12 + +#define ADT7462_VENDOR 0x41 +#define ADT7462_DEVICE 0x62 +/* datasheet only mentions a revision 4 */ +#define ADT7462_REVISION 0x04 + +/* How often do we reread sensors values? (In jiffies) */ +#define SENSOR_REFRESH_INTERVAL (2 * HZ) + +/* How often do we reread sensor limit values? (In jiffies) */ +#define LIMIT_REFRESH_INTERVAL (60 * HZ) + +/* datasheet says to divide this number by the fan reading to get fan rpm */ +#define FAN_PERIOD_TO_RPM(x) ((90000 * 60) / (x)) +#define FAN_RPM_TO_PERIOD FAN_PERIOD_TO_RPM +#define FAN_PERIOD_INVALID 65535 +#define FAN_DATA_VALID(x) ((x) && (x) != FAN_PERIOD_INVALID) + +#define MASK_AND_SHIFT(value, prefix) \ + (((value) & prefix##_MASK) >> prefix##_SHIFT) + +#define ROUND_DIV(x, divisor) (((x) + ((divisor) / 2)) / (divisor)) + +struct adt7462_data { + struct device *hwmon_dev; + struct attribute_group attrs; + struct mutex lock; + char sensors_valid; + char limits_valid; + unsigned long sensors_last_updated; /* In jiffies */ + unsigned long limits_last_updated; /* In jiffies */ + + u8 temp[ADT7462_TEMP_COUNT]; + /* bits 6-7 are quarter pieces of temp */ + u8 temp_frac[ADT7462_TEMP_COUNT]; + u8 temp_min[ADT7462_TEMP_COUNT]; + u8 temp_max[ADT7462_TEMP_COUNT]; + u16 fan[ADT7462_FAN_COUNT]; + u8 fan_enabled; + u8 fan_min[ADT7462_FAN_COUNT]; + u8 cfg2; + u8 pwm[ADT7462_PWM_COUNT]; + u8 pin_cfg[ADT7462_PIN_CFG_REG_COUNT]; + u8 voltages[ADT7462_VOLT_COUNT]; + u8 volt_max[ADT7462_VOLT_COUNT]; + u8 volt_min[ADT7462_VOLT_COUNT]; + u8 pwm_min[ADT7462_PWM_COUNT]; + u8 pwm_tmin[ADT7462_PWM_COUNT]; + u8 pwm_trange[ADT7462_PWM_COUNT]; + u8 pwm_max; /* only one per chip */ + u8 pwm_cfg[ADT7462_PWM_COUNT]; + u8 alarms[ADT7462_ALARM_REG_COUNT]; +}; + +static int adt7462_probe(struct i2c_client *client, + const struct i2c_device_id *id); +static int adt7462_detect(struct i2c_client *client, int kind, + struct i2c_board_info *info); +static int adt7462_remove(struct i2c_client *client); + +static const struct i2c_device_id adt7462_id[] = { + { "adt7462", adt7462 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, adt7462_id); + +static struct i2c_driver adt7462_driver = { + .class = I2C_CLASS_HWMON, + .driver = { + .name = "adt7462", + }, + .probe = adt7462_probe, + .remove = adt7462_remove, + .id_table = adt7462_id, + .detect = adt7462_detect, + .address_data = &addr_data, +}; + +/* + * 16-bit registers on the ADT7462 are low-byte first. The data sheet says + * that the low byte must be read before the high byte. + */ +static inline int adt7462_read_word_data(struct i2c_client *client, u8 reg) +{ + u16 foo; + foo = i2c_smbus_read_byte_data(client, reg); + foo |= ((u16)i2c_smbus_read_byte_data(client, reg + 1) << 8); + return foo; +} + +/* For some reason these registers are not contiguous. */ +static int ADT7462_REG_FAN(int fan) +{ + if (fan < 4) + return ADT7462_REG_FAN_BASE_ADDR + (2 * fan); + return ADT7462_REG_FAN2_BASE_ADDR + (2 * (fan - 4)); +} + +/* Voltage registers are scattered everywhere */ +static int ADT7462_REG_VOLT_MAX(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) + return 0x7C; + break; + case 1: + return 0x69; + case 2: + if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) + return 0x7F; + break; + case 3: + if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) + return 0x7E; + break; + case 4: + if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) + return 0x4B; + break; + case 5: + if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) + return 0x49; + break; + case 6: + if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) + return 0x68; + break; + case 7: + if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) + return 0x7D; + break; + case 8: + if (!(data->pin_cfg[2] & ADT7462_PIN26_VOLT_INPUT)) + return 0x6C; + break; + case 9: + if (!(data->pin_cfg[2] & ADT7462_PIN25_VOLT_INPUT)) + return 0x6B; + break; + case 10: + return 0x6A; + case 11: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 0x50; + break; + case 12: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 0x4C; + break; + } + return -ENODEV; +} + +static int ADT7462_REG_VOLT_MIN(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) + return 0x6D; + break; + case 1: + return 0x72; + case 2: + if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) + return 0x6F; + break; + case 3: + if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) + return 0x71; + break; + case 4: + if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) + return 0x47; + break; + case 5: + if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) + return 0x45; + break; + case 6: + if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) + return 0x70; + break; + case 7: + if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) + return 0x6E; + break; + case 8: + if (!(data->pin_cfg[2] & ADT7462_PIN26_VOLT_INPUT)) + return 0x75; + break; + case 9: + if (!(data->pin_cfg[2] & ADT7462_PIN25_VOLT_INPUT)) + return 0x74; + break; + case 10: + return 0x73; + case 11: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 0x76; + break; + case 12: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 0x77; + break; + } + return -ENODEV; +} + +static int ADT7462_REG_VOLT(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) + return 0xA3; + break; + case 1: + return 0x90; + case 2: + if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) + return 0xA9; + break; + case 3: + if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) + return 0xA7; + break; + case 4: + if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) + return 0x8F; + break; + case 5: + if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) + return 0x8B; + break; + case 6: + if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) + return 0x96; + break; + case 7: + if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) + return 0xA5; + break; + case 8: + if (!(data->pin_cfg[2] & ADT7462_PIN26_VOLT_INPUT)) + return 0x93; + break; + case 9: + if (!(data->pin_cfg[2] & ADT7462_PIN25_VOLT_INPUT)) + return 0x92; + break; + case 10: + return 0x91; + case 11: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 0x94; + break; + case 12: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 0x95; + break; + } + return -ENODEV; +} + +/* Provide labels for sysfs */ +static const char *voltage_label(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) + return "+12V1"; + break; + case 1: + switch (MASK_AND_SHIFT(data->pin_cfg[1], ADT7462_PIN23)) { + case 0: + return "Vccp1"; + case 1: + return "+2.5V"; + case 2: + return "+1.8V"; + case 3: + return "+1.5V"; + } + case 2: + if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) + return "+12V3"; + break; + case 3: + if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) + return "+5V"; + break; + case 4: + if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) { + if (data->pin_cfg[1] & ADT7462_PIN19_INPUT) + return "+0.9V"; + return "+1.25V"; + } + break; + case 5: + if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) { + if (data->pin_cfg[1] & ADT7462_PIN19_INPUT) + return "+1.8V"; + return "+2.5V"; + } + break; + case 6: + if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) + return "+3.3V"; + break; + case 7: + if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) + return "+12V2"; + break; + case 8: + switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN26)) { + case 0: + return "Vbatt"; + case 1: + return "FSB_Vtt"; + } + break; + case 9: + switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN25)) { + case 0: + return "+3.3V"; + case 1: + return "+1.2V1"; + } + break; + case 10: + switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN24)) { + case 0: + return "Vccp2"; + case 1: + return "+2.5V"; + case 2: + return "+1.8V"; + case 3: + return "+1.5"; + } + case 11: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return "+1.5V ICH"; + break; + case 12: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return "+1.5V 3GPIO"; + break; + } + return "N/A"; +} + +/* Multipliers are actually in uV, not mV. */ +static int voltage_multiplier(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) + return 62500; + break; + case 1: + switch (MASK_AND_SHIFT(data->pin_cfg[1], ADT7462_PIN23)) { + case 0: + if (data->pin_cfg[0] & ADT7462_VID_INPUT) + return 12500; + return 6250; + case 1: + return 13000; + case 2: + return 9400; + case 3: + return 7800; + } + case 2: + if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) + return 62500; + break; + case 3: + if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) + return 26000; + break; + case 4: + if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) { + if (data->pin_cfg[1] & ADT7462_PIN19_INPUT) + return 4690; + return 6500; + } + break; + case 5: + if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) { + if (data->pin_cfg[1] & ADT7462_PIN15_INPUT) + return 9400; + return 13000; + } + break; + case 6: + if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) + return 17200; + break; + case 7: + if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) + return 62500; + break; + case 8: + switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN26)) { + case 0: + return 15600; + case 1: + return 6250; + } + break; + case 9: + switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN25)) { + case 0: + return 17200; + case 1: + return 6250; + } + break; + case 10: + switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN24)) { + case 0: + return 6250; + case 1: + return 13000; + case 2: + return 9400; + case 3: + return 7800; + } + case 11: + case 12: + if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == + ADT7462_PIN28_VOLT && + !(data->pin_cfg[0] & ADT7462_VID_INPUT)) + return 7800; + } + return 0; +} + +static int temp_enabled(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + case 2: + return 1; + case 1: + if (data->pin_cfg[0] & ADT7462_DIODE1_INPUT) + return 1; + break; + case 3: + if (data->pin_cfg[0] & ADT7462_DIODE3_INPUT) + return 1; + break; + } + return 0; +} + +static const char *temp_label(struct adt7462_data *data, int which) +{ + switch (which) { + case 0: + return "local"; + case 1: + if (data->pin_cfg[0] & ADT7462_DIODE1_INPUT) + return "remote1"; + break; + case 2: + return "remote2"; + case 3: + if (data->pin_cfg[0] & ADT7462_DIODE3_INPUT) + return "remote3"; + break; + } + return "N/A"; +} + +/* Map Trange register values to mC */ +#define NUM_TRANGE_VALUES 16 +static const int trange_values[NUM_TRANGE_VALUES] = { + 2000, + 2500, + 3300, + 4000, + 5000, + 6700, + 8000, + 10000, + 13300, + 16000, + 20000, + 26700, + 32000, + 40000, + 53300, + 80000 +}; + +static int find_trange_value(int trange) +{ + int i; + + for (i = 0; i < NUM_TRANGE_VALUES; i++) + if (trange_values[i] == trange) + return i; + + return -ENODEV; +} + +static struct adt7462_data *adt7462_update_device(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + unsigned long local_jiffies = jiffies; + int i; + + mutex_lock(&data->lock); + if (time_before(local_jiffies, data->sensors_last_updated + + SENSOR_REFRESH_INTERVAL) + && data->sensors_valid) + goto no_sensor_update; + + for (i = 0; i < ADT7462_TEMP_COUNT; i++) { + /* + * Reading the fractional register locks the integral + * register until both have been read. + */ + data->temp_frac[i] = i2c_smbus_read_byte_data(client, + ADT7462_TEMP_REG(i)); + data->temp[i] = i2c_smbus_read_byte_data(client, + ADT7462_TEMP_REG(i) + 1); + } + + for (i = 0; i < ADT7462_FAN_COUNT; i++) + data->fan[i] = adt7462_read_word_data(client, + ADT7462_REG_FAN(i)); + + data->fan_enabled = i2c_smbus_read_byte_data(client, + ADT7462_REG_FAN_ENABLE); + + for (i = 0; i < ADT7462_PWM_COUNT; i++) + data->pwm[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_PWM(i)); + + for (i = 0; i < ADT7462_PIN_CFG_REG_COUNT; i++) + data->pin_cfg[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_PIN_CFG(i)); + + for (i = 0; i < ADT7462_VOLT_COUNT; i++) { + int reg = ADT7462_REG_VOLT(data, i); + if (!reg) + data->voltages[i] = 0; + else + data->voltages[i] = i2c_smbus_read_byte_data(client, + reg); + } + + data->alarms[0] = i2c_smbus_read_byte_data(client, ADT7462_REG_ALARM1); + data->alarms[1] = i2c_smbus_read_byte_data(client, ADT7462_REG_ALARM2); + data->alarms[2] = i2c_smbus_read_byte_data(client, ADT7462_REG_ALARM3); + data->alarms[3] = i2c_smbus_read_byte_data(client, ADT7462_REG_ALARM4); + + data->sensors_last_updated = local_jiffies; + data->sensors_valid = 1; + +no_sensor_update: + if (time_before(local_jiffies, data->limits_last_updated + + LIMIT_REFRESH_INTERVAL) + && data->limits_valid) + goto out; + + for (i = 0; i < ADT7462_TEMP_COUNT; i++) { + data->temp_min[i] = i2c_smbus_read_byte_data(client, + ADT7462_TEMP_MIN_REG(i)); + data->temp_max[i] = i2c_smbus_read_byte_data(client, + ADT7462_TEMP_MAX_REG(i)); + } + + for (i = 0; i < ADT7462_FAN_COUNT; i++) + data->fan_min[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_FAN_MIN(i)); + + for (i = 0; i < ADT7462_VOLT_COUNT; i++) { + int reg = ADT7462_REG_VOLT_MAX(data, i); + data->volt_max[i] = + (reg ? i2c_smbus_read_byte_data(client, reg) : 0); + + reg = ADT7462_REG_VOLT_MIN(data, i); + data->volt_min[i] = + (reg ? i2c_smbus_read_byte_data(client, reg) : 0); + } + + for (i = 0; i < ADT7462_PWM_COUNT; i++) { + data->pwm_min[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_PWM_MIN(i)); + data->pwm_tmin[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_PWM_TMIN(i)); + data->pwm_trange[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_PWM_TRANGE(i)); + data->pwm_cfg[i] = i2c_smbus_read_byte_data(client, + ADT7462_REG_PWM_CFG(i)); + } + + data->pwm_max = i2c_smbus_read_byte_data(client, ADT7462_REG_PWM_MAX); + + data->cfg2 = i2c_smbus_read_byte_data(client, ADT7462_REG_CFG2); + + data->limits_last_updated = local_jiffies; + data->limits_valid = 1; + +out: + mutex_unlock(&data->lock); + return data; +} + +static ssize_t show_temp_min(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + + if (!temp_enabled(data, attr->index)) + return sprintf(buf, "0\n"); + + return sprintf(buf, "%d\n", 1000 * (data->temp_min[attr->index] - 64)); +} + +static ssize_t set_temp_min(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp) || !temp_enabled(data, attr->index)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000) + 64; + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->temp_min[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_TEMP_MIN_REG(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_temp_max(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + + if (!temp_enabled(data, attr->index)) + return sprintf(buf, "0\n"); + + return sprintf(buf, "%d\n", 1000 * (data->temp_max[attr->index] - 64)); +} + +static ssize_t set_temp_max(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp) || !temp_enabled(data, attr->index)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000) + 64; + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->temp_max[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_TEMP_MAX_REG(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + u8 frac = data->temp_frac[attr->index] >> TEMP_FRAC_OFFSET; + + if (!temp_enabled(data, attr->index)) + return sprintf(buf, "0\n"); + + return sprintf(buf, "%d\n", 1000 * (data->temp[attr->index] - 64) + + 250 * frac); +} + +static ssize_t show_temp_label(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + + return sprintf(buf, "%s\n", temp_label(data, attr->index)); +} + +static ssize_t show_volt_max(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + int x = voltage_multiplier(data, attr->index); + + x *= data->volt_max[attr->index]; + x /= 1000; /* convert from uV to mV */ + + return sprintf(buf, "%d\n", x); +} + +static ssize_t set_volt_max(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + int x = voltage_multiplier(data, attr->index); + long temp; + + if (strict_strtol(buf, 10, &temp) || !x) + return -EINVAL; + + temp *= 1000; /* convert mV to uV */ + temp = ROUND_DIV(temp, x); + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->volt_max[attr->index] = temp; + i2c_smbus_write_byte_data(client, + ADT7462_REG_VOLT_MAX(data, attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_volt_min(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + int x = voltage_multiplier(data, attr->index); + + x *= data->volt_min[attr->index]; + x /= 1000; /* convert from uV to mV */ + + return sprintf(buf, "%d\n", x); +} + +static ssize_t set_volt_min(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + int x = voltage_multiplier(data, attr->index); + long temp; + + if (strict_strtol(buf, 10, &temp) || !x) + return -EINVAL; + + temp *= 1000; /* convert mV to uV */ + temp = ROUND_DIV(temp, x); + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->volt_min[attr->index] = temp; + i2c_smbus_write_byte_data(client, + ADT7462_REG_VOLT_MIN(data, attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_voltage(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + int x = voltage_multiplier(data, attr->index); + + x *= data->voltages[attr->index]; + x /= 1000; /* convert from uV to mV */ + + return sprintf(buf, "%d\n", x); +} + +static ssize_t show_voltage_label(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + + return sprintf(buf, "%s\n", voltage_label(data, attr->index)); +} + +static ssize_t show_alarm(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + int reg = attr->index >> ADT7462_ALARM_REG_SHIFT; + int mask = attr->index & ADT7462_ALARM_FLAG_MASK; + + if (data->alarms[reg] & mask) + return sprintf(buf, "1\n"); + else + return sprintf(buf, "0\n"); +} + +static int fan_enabled(struct adt7462_data *data, int fan) +{ + return data->fan_enabled & (1 << fan); +} + +static ssize_t show_fan_min(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + u16 temp; + + /* Only the MSB of the min fan period is stored... */ + temp = data->fan_min[attr->index]; + temp <<= 8; + + if (!fan_enabled(data, attr->index) || + !FAN_DATA_VALID(temp)) + return sprintf(buf, "0\n"); + + return sprintf(buf, "%d\n", FAN_PERIOD_TO_RPM(temp)); +} + +static ssize_t set_fan_min(struct device *dev, + struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp) || !temp || + !fan_enabled(data, attr->index)) + return -EINVAL; + + temp = FAN_RPM_TO_PERIOD(temp); + temp >>= 8; + temp = SENSORS_LIMIT(temp, 1, 255); + + mutex_lock(&data->lock); + data->fan_min[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_FAN_MIN(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_fan(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + + if (!fan_enabled(data, attr->index) || + !FAN_DATA_VALID(data->fan[attr->index])) + return sprintf(buf, "0\n"); + + return sprintf(buf, "%d\n", + FAN_PERIOD_TO_RPM(data->fan[attr->index])); +} + +static ssize_t show_force_pwm_max(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct adt7462_data *data = adt7462_update_device(dev); + return sprintf(buf, "%d\n", (data->cfg2 & ADT7462_FSPD_MASK ? 1 : 0)); +} + +static ssize_t set_force_pwm_max(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + u8 reg; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + mutex_lock(&data->lock); + reg = i2c_smbus_read_byte_data(client, ADT7462_REG_CFG2); + if (temp) + reg |= ADT7462_FSPD_MASK; + else + reg &= ~ADT7462_FSPD_MASK; + data->cfg2 = reg; + i2c_smbus_write_byte_data(client, ADT7462_REG_CFG2, reg); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + return sprintf(buf, "%d\n", data->pwm[attr->index]); +} + +static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->pwm[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM(attr->index), temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_max(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct adt7462_data *data = adt7462_update_device(dev); + return sprintf(buf, "%d\n", data->pwm_max); +} + +static ssize_t set_pwm_max(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->pwm_max = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_MAX, temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_min(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + return sprintf(buf, "%d\n", data->pwm_min[attr->index]); +} + +static ssize_t set_pwm_min(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->pwm_min[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_MIN(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_hyst(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + return sprintf(buf, "%d\n", 1000 * + (data->pwm_trange[attr->index] & ADT7462_PWM_HYST_MASK)); +} + +static ssize_t set_pwm_hyst(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000); + temp = SENSORS_LIMIT(temp, 0, 15); + + /* package things up */ + temp &= ADT7462_PWM_HYST_MASK; + temp |= data->pwm_trange[attr->index] & ADT7462_PWM_RANGE_MASK; + + mutex_lock(&data->lock); + data->pwm_trange[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_TRANGE(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_tmax(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + + /* tmax = tmin + trange */ + int trange = trange_values[data->pwm_trange[attr->index] >> + ADT7462_PWM_RANGE_SHIFT]; + int tmin = (data->pwm_tmin[attr->index] - 64) * 1000; + + return sprintf(buf, "%d\n", tmin + trange); +} + +static ssize_t set_pwm_tmax(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + int temp; + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + int tmin, trange_value; + long trange; + + if (strict_strtol(buf, 10, &trange)) + return -EINVAL; + + /* trange = tmax - tmin */ + tmin = (data->pwm_tmin[attr->index] - 64) * 1000; + trange_value = find_trange_value(trange - tmin); + + if (trange_value < 0) + return -EINVAL; + + temp = trange_value << ADT7462_PWM_RANGE_SHIFT; + temp |= data->pwm_trange[attr->index] & ADT7462_PWM_HYST_MASK; + + mutex_lock(&data->lock); + data->pwm_trange[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_TRANGE(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_tmin(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + return sprintf(buf, "%d\n", 1000 * (data->pwm_tmin[attr->index] - 64)); +} + +static ssize_t set_pwm_tmin(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = ROUND_DIV(temp, 1000) + 64; + temp = SENSORS_LIMIT(temp, 0, 255); + + mutex_lock(&data->lock); + data->pwm_tmin[attr->index] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_TMIN(attr->index), + temp); + mutex_unlock(&data->lock); + + return count; +} + +static ssize_t show_pwm_auto(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + int cfg = data->pwm_cfg[attr->index] >> ADT7462_PWM_CHANNEL_SHIFT; + + switch (cfg) { + case 4: /* off */ + return sprintf(buf, "0\n"); + case 7: /* manual */ + return sprintf(buf, "1\n"); + default: /* automatic */ + return sprintf(buf, "2\n"); + } +} + +static void set_pwm_channel(struct i2c_client *client, + struct adt7462_data *data, + int which, + int value) +{ + int temp = data->pwm_cfg[which] & ~ADT7462_PWM_CHANNEL_MASK; + temp |= value << ADT7462_PWM_CHANNEL_SHIFT; + + mutex_lock(&data->lock); + data->pwm_cfg[which] = temp; + i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_CFG(which), temp); + mutex_unlock(&data->lock); +} + +static ssize_t set_pwm_auto(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + switch (temp) { + case 0: /* off */ + set_pwm_channel(client, data, attr->index, 4); + return count; + case 1: /* manual */ + set_pwm_channel(client, data, attr->index, 7); + return count; + default: + return -EINVAL; + } +} + +static ssize_t show_pwm_auto_temp(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct adt7462_data *data = adt7462_update_device(dev); + int channel = data->pwm_cfg[attr->index] >> ADT7462_PWM_CHANNEL_SHIFT; + + switch (channel) { + case 0: /* temp[1234] only */ + case 1: + case 2: + case 3: + return sprintf(buf, "%d\n", (1 << channel)); + case 5: /* temp1 & temp4 */ + return sprintf(buf, "9\n"); + case 6: + return sprintf(buf, "15\n"); + default: + return sprintf(buf, "0\n"); + } +} + +static int cvt_auto_temp(int input) +{ + if (input == 0xF) + return 6; + if (input == 0x9) + return 5; + if (input < 1 || !is_power_of_2(input)) + return -EINVAL; + return ilog2(input); +} + +static ssize_t set_pwm_auto_temp(struct device *dev, + struct device_attribute *devattr, + const char *buf, + size_t count) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct i2c_client *client = to_i2c_client(dev); + struct adt7462_data *data = i2c_get_clientdata(client); + long temp; + + if (strict_strtol(buf, 10, &temp)) + return -EINVAL; + + temp = cvt_auto_temp(temp); + if (temp < 0) + return temp; + + set_pwm_channel(client, data, attr->index, temp); + + return count; +} + +static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, + set_temp_max, 0); +static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp_max, + set_temp_max, 1); +static SENSOR_DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, show_temp_max, + set_temp_max, 2); +static SENSOR_DEVICE_ATTR(temp4_max, S_IWUSR | S_IRUGO, show_temp_max, + set_temp_max, 3); + +static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp_min, + set_temp_min, 0); +static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp_min, + set_temp_min, 1); +static SENSOR_DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO, show_temp_min, + set_temp_min, 2); +static SENSOR_DEVICE_ATTR(temp4_min, S_IWUSR | S_IRUGO, show_temp_min, + set_temp_min, 3); + +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); +static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1); +static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2); +static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, show_temp, NULL, 3); + +static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, show_temp_label, NULL, 0); +static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO, show_temp_label, NULL, 1); +static SENSOR_DEVICE_ATTR(temp3_label, S_IRUGO, show_temp_label, NULL, 2); +static SENSOR_DEVICE_ATTR(temp4_label, S_IRUGO, show_temp_label, NULL, 3); + +static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM1 | ADT7462_LT_ALARM); +static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM1 | ADT7462_R1T_ALARM); +static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM1 | ADT7462_R2T_ALARM); +static SENSOR_DEVICE_ATTR(temp4_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM1 | ADT7462_R3T_ALARM); + +static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 0); +static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 1); +static SENSOR_DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 2); +static SENSOR_DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 3); +static SENSOR_DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 4); +static SENSOR_DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 5); +static SENSOR_DEVICE_ATTR(in7_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 6); +static SENSOR_DEVICE_ATTR(in8_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 7); +static SENSOR_DEVICE_ATTR(in9_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 8); +static SENSOR_DEVICE_ATTR(in10_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 9); +static SENSOR_DEVICE_ATTR(in11_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 10); +static SENSOR_DEVICE_ATTR(in12_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 11); +static SENSOR_DEVICE_ATTR(in13_max, S_IWUSR | S_IRUGO, show_volt_max, + set_volt_max, 12); + +static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 0); +static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 1); +static SENSOR_DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 2); +static SENSOR_DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 3); +static SENSOR_DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 4); +static SENSOR_DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 5); +static SENSOR_DEVICE_ATTR(in7_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 6); +static SENSOR_DEVICE_ATTR(in8_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 7); +static SENSOR_DEVICE_ATTR(in9_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 8); +static SENSOR_DEVICE_ATTR(in10_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 9); +static SENSOR_DEVICE_ATTR(in11_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 10); +static SENSOR_DEVICE_ATTR(in12_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 11); +static SENSOR_DEVICE_ATTR(in13_min, S_IWUSR | S_IRUGO, show_volt_min, + set_volt_min, 12); + +static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_voltage, NULL, 0); +static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_voltage, NULL, 1); +static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_voltage, NULL, 2); +static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_voltage, NULL, 3); +static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_voltage, NULL, 4); +static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_voltage, NULL, 5); +static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_voltage, NULL, 6); +static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_voltage, NULL, 7); +static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_voltage, NULL, 8); +static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_voltage, NULL, 9); +static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, show_voltage, NULL, 10); +static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, show_voltage, NULL, 11); +static SENSOR_DEVICE_ATTR(in13_input, S_IRUGO, show_voltage, NULL, 12); + +static SENSOR_DEVICE_ATTR(in1_label, S_IRUGO, show_voltage_label, NULL, 0); +static SENSOR_DEVICE_ATTR(in2_label, S_IRUGO, show_voltage_label, NULL, 1); +static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_voltage_label, NULL, 2); +static SENSOR_DEVICE_ATTR(in4_label, S_IRUGO, show_voltage_label, NULL, 3); +static SENSOR_DEVICE_ATTR(in5_label, S_IRUGO, show_voltage_label, NULL, 4); +static SENSOR_DEVICE_ATTR(in6_label, S_IRUGO, show_voltage_label, NULL, 5); +static SENSOR_DEVICE_ATTR(in7_label, S_IRUGO, show_voltage_label, NULL, 6); +static SENSOR_DEVICE_ATTR(in8_label, S_IRUGO, show_voltage_label, NULL, 7); +static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_voltage_label, NULL, 8); +static SENSOR_DEVICE_ATTR(in10_label, S_IRUGO, show_voltage_label, NULL, 9); +static SENSOR_DEVICE_ATTR(in11_label, S_IRUGO, show_voltage_label, NULL, 10); +static SENSOR_DEVICE_ATTR(in12_label, S_IRUGO, show_voltage_label, NULL, 11); +static SENSOR_DEVICE_ATTR(in13_label, S_IRUGO, show_voltage_label, NULL, 12); + +static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V0_ALARM); +static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V7_ALARM); +static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V2_ALARM); +static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V6_ALARM); +static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V5_ALARM); +static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V4_ALARM); +static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V3_ALARM); +static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM2 | ADT7462_V1_ALARM); +static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM3 | ADT7462_V10_ALARM); +static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM3 | ADT7462_V9_ALARM); +static SENSOR_DEVICE_ATTR(in11_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM3 | ADT7462_V8_ALARM); +static SENSOR_DEVICE_ATTR(in12_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM3 | ADT7462_V11_ALARM); +static SENSOR_DEVICE_ATTR(in13_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM3 | ADT7462_V12_ALARM); + +static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 0); +static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 1); +static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 2); +static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 3); +static SENSOR_DEVICE_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 4); +static SENSOR_DEVICE_ATTR(fan6_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 5); +static SENSOR_DEVICE_ATTR(fan7_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 6); +static SENSOR_DEVICE_ATTR(fan8_min, S_IWUSR | S_IRUGO, show_fan_min, + set_fan_min, 7); + +static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0); +static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1); +static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2); +static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3); +static SENSOR_DEVICE_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4); +static SENSOR_DEVICE_ATTR(fan6_input, S_IRUGO, show_fan, NULL, 5); +static SENSOR_DEVICE_ATTR(fan7_input, S_IRUGO, show_fan, NULL, 6); +static SENSOR_DEVICE_ATTR(fan8_input, S_IRUGO, show_fan, NULL, 7); + +static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F0_ALARM); +static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F1_ALARM); +static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F2_ALARM); +static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F3_ALARM); +static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F4_ALARM); +static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F5_ALARM); +static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F6_ALARM); +static SENSOR_DEVICE_ATTR(fan8_alarm, S_IRUGO, show_alarm, NULL, + ADT7462_ALARM4 | ADT7462_F7_ALARM); + +static SENSOR_DEVICE_ATTR(force_pwm_max, S_IWUSR | S_IRUGO, + show_force_pwm_max, set_force_pwm_max, 0); + +static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 0); +static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 1); +static SENSOR_DEVICE_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2); +static SENSOR_DEVICE_ATTR(pwm4, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 3); + +static SENSOR_DEVICE_ATTR(pwm1_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_pwm_min, set_pwm_min, 0); +static SENSOR_DEVICE_ATTR(pwm2_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_pwm_min, set_pwm_min, 1); +static SENSOR_DEVICE_ATTR(pwm3_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_pwm_min, set_pwm_min, 2); +static SENSOR_DEVICE_ATTR(pwm4_auto_point1_pwm, S_IWUSR | S_IRUGO, + show_pwm_min, set_pwm_min, 3); + +static SENSOR_DEVICE_ATTR(pwm1_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_pwm_max, set_pwm_max, 0); +static SENSOR_DEVICE_ATTR(pwm2_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_pwm_max, set_pwm_max, 1); +static SENSOR_DEVICE_ATTR(pwm3_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_pwm_max, set_pwm_max, 2); +static SENSOR_DEVICE_ATTR(pwm4_auto_point2_pwm, S_IWUSR | S_IRUGO, + show_pwm_max, set_pwm_max, 3); + +static SENSOR_DEVICE_ATTR(temp1_auto_point1_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 0); +static SENSOR_DEVICE_ATTR(temp2_auto_point1_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 1); +static SENSOR_DEVICE_ATTR(temp3_auto_point1_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 2); +static SENSOR_DEVICE_ATTR(temp4_auto_point1_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 3); + +static SENSOR_DEVICE_ATTR(temp1_auto_point2_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 0); +static SENSOR_DEVICE_ATTR(temp2_auto_point2_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 1); +static SENSOR_DEVICE_ATTR(temp3_auto_point2_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 2); +static SENSOR_DEVICE_ATTR(temp4_auto_point2_hyst, S_IWUSR | S_IRUGO, + show_pwm_hyst, set_pwm_hyst, 3); + +static SENSOR_DEVICE_ATTR(temp1_auto_point1_temp, S_IWUSR | S_IRUGO, + show_pwm_tmin, set_pwm_tmin, 0); +static SENSOR_DEVICE_ATTR(temp2_auto_point1_temp, S_IWUSR | S_IRUGO, + show_pwm_tmin, set_pwm_tmin, 1); +static SENSOR_DEVICE_ATTR(temp3_auto_point1_temp, S_IWUSR | S_IRUGO, + show_pwm_tmin, set_pwm_tmin, 2); +static SENSOR_DEVICE_ATTR(temp4_auto_point1_temp, S_IWUSR | S_IRUGO, + show_pwm_tmin, set_pwm_tmin, 3); + +static SENSOR_DEVICE_ATTR(temp1_auto_point2_temp, S_IWUSR | S_IRUGO, + show_pwm_tmax, set_pwm_tmax, 0); +static SENSOR_DEVICE_ATTR(temp2_auto_point2_temp, S_IWUSR | S_IRUGO, + show_pwm_tmax, set_pwm_tmax, 1); +static SENSOR_DEVICE_ATTR(temp3_auto_point2_temp, S_IWUSR | S_IRUGO, + show_pwm_tmax, set_pwm_tmax, 2); +static SENSOR_DEVICE_ATTR(temp4_auto_point2_temp, S_IWUSR | S_IRUGO, + show_pwm_tmax, set_pwm_tmax, 3); + +static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm_auto, + set_pwm_auto, 0); +static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, show_pwm_auto, + set_pwm_auto, 1); +static SENSOR_DEVICE_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, show_pwm_auto, + set_pwm_auto, 2); +static SENSOR_DEVICE_ATTR(pwm4_enable, S_IWUSR | S_IRUGO, show_pwm_auto, + set_pwm_auto, 3); + +static SENSOR_DEVICE_ATTR(pwm1_auto_channels_temp, S_IWUSR | S_IRUGO, + show_pwm_auto_temp, set_pwm_auto_temp, 0); +static SENSOR_DEVICE_ATTR(pwm2_auto_channels_temp, S_IWUSR | S_IRUGO, + show_pwm_auto_temp, set_pwm_auto_temp, 1); +static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, S_IWUSR | S_IRUGO, + show_pwm_auto_temp, set_pwm_auto_temp, 2); +static SENSOR_DEVICE_ATTR(pwm4_auto_channels_temp, S_IWUSR | S_IRUGO, + show_pwm_auto_temp, set_pwm_auto_temp, 3); + +static struct attribute *adt7462_attr[] = +{ + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp2_max.dev_attr.attr, + &sensor_dev_attr_temp3_max.dev_attr.attr, + &sensor_dev_attr_temp4_max.dev_attr.attr, + + &sensor_dev_attr_temp1_min.dev_attr.attr, + &sensor_dev_attr_temp2_min.dev_attr.attr, + &sensor_dev_attr_temp3_min.dev_attr.attr, + &sensor_dev_attr_temp4_min.dev_attr.attr, + + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp2_input.dev_attr.attr, + &sensor_dev_attr_temp3_input.dev_attr.attr, + &sensor_dev_attr_temp4_input.dev_attr.attr, + + &sensor_dev_attr_temp1_label.dev_attr.attr, + &sensor_dev_attr_temp2_label.dev_attr.attr, + &sensor_dev_attr_temp3_label.dev_attr.attr, + &sensor_dev_attr_temp4_label.dev_attr.attr, + + &sensor_dev_attr_temp1_alarm.dev_attr.attr, + &sensor_dev_attr_temp2_alarm.dev_attr.attr, + &sensor_dev_attr_temp3_alarm.dev_attr.attr, + &sensor_dev_attr_temp4_alarm.dev_attr.attr, + + &sensor_dev_attr_in1_max.dev_attr.attr, + &sensor_dev_attr_in2_max.dev_attr.attr, + &sensor_dev_attr_in3_max.dev_attr.attr, + &sensor_dev_attr_in4_max.dev_attr.attr, + &sensor_dev_attr_in5_max.dev_attr.attr, + &sensor_dev_attr_in6_max.dev_attr.attr, + &sensor_dev_attr_in7_max.dev_attr.attr, + &sensor_dev_attr_in8_max.dev_attr.attr, + &sensor_dev_attr_in9_max.dev_attr.attr, + &sensor_dev_attr_in10_max.dev_attr.attr, + &sensor_dev_attr_in11_max.dev_attr.attr, + &sensor_dev_attr_in12_max.dev_attr.attr, + &sensor_dev_attr_in13_max.dev_attr.attr, + + &sensor_dev_attr_in1_min.dev_attr.attr, + &sensor_dev_attr_in2_min.dev_attr.attr, + &sensor_dev_attr_in3_min.dev_attr.attr, + &sensor_dev_attr_in4_min.dev_attr.attr, + &sensor_dev_attr_in5_min.dev_attr.attr, + &sensor_dev_attr_in6_min.dev_attr.attr, + &sensor_dev_attr_in7_min.dev_attr.attr, + &sensor_dev_attr_in8_min.dev_attr.attr, + &sensor_dev_attr_in9_min.dev_attr.attr, + &sensor_dev_attr_in10_min.dev_attr.attr, + &sensor_dev_attr_in11_min.dev_attr.attr, + &sensor_dev_attr_in12_min.dev_attr.attr, + &sensor_dev_attr_in13_min.dev_attr.attr, + + &sensor_dev_attr_in1_input.dev_attr.attr, + &sensor_dev_attr_in2_input.dev_attr.attr, + &sensor_dev_attr_in3_input.dev_attr.attr, + &sensor_dev_attr_in4_input.dev_attr.attr, + &sensor_dev_attr_in5_input.dev_attr.attr, + &sensor_dev_attr_in6_input.dev_attr.attr, + &sensor_dev_attr_in7_input.dev_attr.attr, + &sensor_dev_attr_in8_input.dev_attr.attr, + &sensor_dev_attr_in9_input.dev_attr.attr, + &sensor_dev_attr_in10_input.dev_attr.attr, + &sensor_dev_attr_in11_input.dev_attr.attr, + &sensor_dev_attr_in12_input.dev_attr.attr, + &sensor_dev_attr_in13_input.dev_attr.attr, + + &sensor_dev_attr_in1_label.dev_attr.attr, + &sensor_dev_attr_in2_label.dev_attr.attr, + &sensor_dev_attr_in3_label.dev_attr.attr, + &sensor_dev_attr_in4_label.dev_attr.attr, + &sensor_dev_attr_in5_label.dev_attr.attr, + &sensor_dev_attr_in6_label.dev_attr.attr, + &sensor_dev_attr_in7_label.dev_attr.attr, + &sensor_dev_attr_in8_label.dev_attr.attr, + &sensor_dev_attr_in9_label.dev_attr.attr, + &sensor_dev_attr_in10_label.dev_attr.attr, + &sensor_dev_attr_in11_label.dev_attr.attr, + &sensor_dev_attr_in12_label.dev_attr.attr, + &sensor_dev_attr_in13_label.dev_attr.attr, + + &sensor_dev_attr_in1_alarm.dev_attr.attr, + &sensor_dev_attr_in2_alarm.dev_attr.attr, + &sensor_dev_attr_in3_alarm.dev_attr.attr, + &sensor_dev_attr_in4_alarm.dev_attr.attr, + &sensor_dev_attr_in5_alarm.dev_attr.attr, + &sensor_dev_attr_in6_alarm.dev_attr.attr, + &sensor_dev_attr_in7_alarm.dev_attr.attr, + &sensor_dev_attr_in8_alarm.dev_attr.attr, + &sensor_dev_attr_in9_alarm.dev_attr.attr, + &sensor_dev_attr_in10_alarm.dev_attr.attr, + &sensor_dev_attr_in11_alarm.dev_attr.attr, + &sensor_dev_attr_in12_alarm.dev_attr.attr, + &sensor_dev_attr_in13_alarm.dev_attr.attr, + + &sensor_dev_attr_fan1_min.dev_attr.attr, + &sensor_dev_attr_fan2_min.dev_attr.attr, + &sensor_dev_attr_fan3_min.dev_attr.attr, + &sensor_dev_attr_fan4_min.dev_attr.attr, + &sensor_dev_attr_fan5_min.dev_attr.attr, + &sensor_dev_attr_fan6_min.dev_attr.attr, + &sensor_dev_attr_fan7_min.dev_attr.attr, + &sensor_dev_attr_fan8_min.dev_attr.attr, + + &sensor_dev_attr_fan1_input.dev_attr.attr, + &sensor_dev_attr_fan2_input.dev_attr.attr, + &sensor_dev_attr_fan3_input.dev_attr.attr, + &sensor_dev_attr_fan4_input.dev_attr.attr, + &sensor_dev_attr_fan5_input.dev_attr.attr, + &sensor_dev_attr_fan6_input.dev_attr.attr, + &sensor_dev_attr_fan7_input.dev_attr.attr, + &sensor_dev_attr_fan8_input.dev_attr.attr, + + &sensor_dev_attr_fan1_alarm.dev_attr.attr, + &sensor_dev_attr_fan2_alarm.dev_attr.attr, + &sensor_dev_attr_fan3_alarm.dev_attr.attr, + &sensor_dev_attr_fan4_alarm.dev_attr.attr, + &sensor_dev_attr_fan5_alarm.dev_attr.attr, + &sensor_dev_attr_fan6_alarm.dev_attr.attr, + &sensor_dev_attr_fan7_alarm.dev_attr.attr, + &sensor_dev_attr_fan8_alarm.dev_attr.attr, + + &sensor_dev_attr_force_pwm_max.dev_attr.attr, + &sensor_dev_attr_pwm1.dev_attr.attr, + &sensor_dev_attr_pwm2.dev_attr.attr, + &sensor_dev_attr_pwm3.dev_attr.attr, + &sensor_dev_attr_pwm4.dev_attr.attr, + + &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, + &sensor_dev_attr_pwm4_auto_point1_pwm.dev_attr.attr, + + &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr, + &sensor_dev_attr_pwm4_auto_point2_pwm.dev_attr.attr, + + &sensor_dev_attr_temp1_auto_point1_hyst.dev_attr.attr, + &sensor_dev_attr_temp2_auto_point1_hyst.dev_attr.attr, + &sensor_dev_attr_temp3_auto_point1_hyst.dev_attr.attr, + &sensor_dev_attr_temp4_auto_point1_hyst.dev_attr.attr, + + &sensor_dev_attr_temp1_auto_point2_hyst.dev_attr.attr, + &sensor_dev_attr_temp2_auto_point2_hyst.dev_attr.attr, + &sensor_dev_attr_temp3_auto_point2_hyst.dev_attr.attr, + &sensor_dev_attr_temp4_auto_point2_hyst.dev_attr.attr, + + &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr, + &sensor_dev_attr_temp4_auto_point1_temp.dev_attr.attr, + + &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr, + &sensor_dev_attr_temp4_auto_point2_temp.dev_attr.attr, + + &sensor_dev_attr_pwm1_enable.dev_attr.attr, + &sensor_dev_attr_pwm2_enable.dev_attr.attr, + &sensor_dev_attr_pwm3_enable.dev_attr.attr, + &sensor_dev_attr_pwm4_enable.dev_attr.attr, + + &sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_channels_temp.dev_attr.attr, + &sensor_dev_attr_pwm4_auto_channels_temp.dev_attr.attr, + NULL +}; + +/* Return 0 if detection is successful, -ENODEV otherwise */ +static int adt7462_detect(struct i2c_client *client, int kind, + struct i2c_board_info *info) +{ + struct i2c_adapter *adapter = client->adapter; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) + return -ENODEV; + + if (kind <= 0) { + int vendor, device, revision; + + vendor = i2c_smbus_read_byte_data(client, ADT7462_REG_VENDOR); + if (vendor != ADT7462_VENDOR) + return -ENODEV; + + device = i2c_smbus_read_byte_data(client, ADT7462_REG_DEVICE); + if (device != ADT7462_DEVICE) + return -ENODEV; + + revision = i2c_smbus_read_byte_data(client, + ADT7462_REG_REVISION); + if (revision != ADT7462_REVISION) + return -ENODEV; + } else + dev_dbg(&adapter->dev, "detection forced\n"); + + strlcpy(info->type, "adt7462", I2C_NAME_SIZE); + + return 0; +} + +static int adt7462_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct adt7462_data *data; + int err; + + data = kzalloc(sizeof(struct adt7462_data), GFP_KERNEL); + if (!data) { + err = -ENOMEM; + goto exit; + } + + i2c_set_clientdata(client, data); + mutex_init(&data->lock); + + dev_info(&client->dev, "%s chip found\n", client->name); + + /* Register sysfs hooks */ + data->attrs.attrs = adt7462_attr; + err = sysfs_create_group(&client->dev.kobj, &data->attrs); + if (err) + goto exit_free; + + data->hwmon_dev = hwmon_device_register(&client->dev); + if (IS_ERR(data->hwmon_dev)) { + err = PTR_ERR(data->hwmon_dev); + goto exit_remove; + } + + return 0; + +exit_remove: + sysfs_remove_group(&client->dev.kobj, &data->attrs); +exit_free: + kfree(data); +exit: + return err; +} + +static int adt7462_remove(struct i2c_client *client) +{ + struct adt7462_data *data = i2c_get_clientdata(client); + + hwmon_device_unregister(data->hwmon_dev); + sysfs_remove_group(&client->dev.kobj, &data->attrs); + kfree(data); + return 0; +} + +static int __init adt7462_init(void) +{ + return i2c_add_driver(&adt7462_driver); +} + +static void __exit adt7462_exit(void) +{ + i2c_del_driver(&adt7462_driver); +} + +MODULE_AUTHOR("Darrick J. Wong "); +MODULE_DESCRIPTION("ADT7462 driver"); +MODULE_LICENSE("GPL"); + +module_init(adt7462_init); +module_exit(adt7462_exit); -- cgit v1.1 From 0d3b71009737511ea937ac405205fd8214b898bb Mon Sep 17 00:00:00 2001 From: Huang Weiyi Date: Thu, 13 Nov 2008 20:14:17 +0800 Subject: LIS3LV02Dx: remove unused #include The file(s) below do not use LINUX_VERSION_CODE nor KERNEL_VERSION. drivers/hwmon/lis3lv02d.c This patch removes the said #include . Signed-off-by: Huang Weiyi Signed-off-by: Linus Torvalds --- drivers/hwmon/lis3lv02d.c | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers/hwmon') diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c index 752b5c4..c002144 100644 --- a/drivers/hwmon/lis3lv02d.c +++ b/drivers/hwmon/lis3lv02d.c @@ -33,7 +33,6 @@ #include #include #include -#include #include #include #include -- cgit v1.1