diff options
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/Kconfig | 21 | ||||
| -rw-r--r-- | drivers/hwmon/Makefile | 2 | ||||
| -rw-r--r-- | drivers/hwmon/adcxx.c | 101 | ||||
| -rw-r--r-- | drivers/hwmon/adm1021.c | 79 | ||||
| -rw-r--r-- | drivers/hwmon/applesmc.c | 38 | ||||
| -rw-r--r-- | drivers/hwmon/coretemp.c | 4 | ||||
| -rw-r--r-- | drivers/hwmon/dme1737.c | 2 | ||||
| -rw-r--r-- | drivers/hwmon/lis3lv02d.c | 9 | ||||
| -rw-r--r-- | drivers/hwmon/lis3lv02d.h | 24 | ||||
| -rw-r--r-- | drivers/hwmon/lis3lv02d_spi.c | 47 | ||||
| -rw-r--r-- | drivers/hwmon/lm70.c | 55 | ||||
| -rw-r--r-- | drivers/hwmon/max1111.c | 1 | ||||
| -rw-r--r-- | drivers/hwmon/sht15.c | 6 | ||||
| -rw-r--r-- | drivers/hwmon/wm831x-hwmon.c | 226 | ||||
| -rw-r--r-- | drivers/hwmon/wm8350-hwmon.c | 151 |
15 files changed, 588 insertions, 178 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 461abb1e273a..ed7711d11ae8 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -946,6 +946,27 @@ config SENSORS_W83627EHF This driver can also be built as a module. If so, the module will be called w83627ehf. +config SENSORS_WM831X + tristate "WM831x PMICs" + depends on MFD_WM831X + help + If you say yes here you get support for the hardware + monitoring functionality of the Wolfson Microelectronics + WM831x series of PMICs. + + This driver can also be built as a module. If so, the module + will be called wm831x-hwmon. + +config SENSORS_WM8350 + tristate "Wolfson Microelectronics WM835x" + depends on MFD_WM8350 + help + If you say yes here you get support for the hardware + monitoring features of the WM835x series of PMICs. + + This driver can also be built as a module. If so, the module + will be called wm8350-hwmon. + config SENSORS_ULTRA45 tristate "Sun Ultra45 PIC16F747" depends on SPARC64 diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index 2e547881bc0a..bcf73a9bb619 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -93,6 +93,8 @@ obj-$(CONFIG_SENSORS_VT8231) += vt8231.o obj-$(CONFIG_SENSORS_W83627EHF) += w83627ehf.o obj-$(CONFIG_SENSORS_W83L785TS) += w83l785ts.o obj-$(CONFIG_SENSORS_W83L786NG) += w83l786ng.o +obj-$(CONFIG_SENSORS_WM831X) += wm831x-hwmon.o +obj-$(CONFIG_SENSORS_WM8350) += wm8350-hwmon.o ifeq ($(CONFIG_HWMON_DEBUG_CHIP),y) EXTRA_CFLAGS += -DDEBUG diff --git a/drivers/hwmon/adcxx.c b/drivers/hwmon/adcxx.c index 242294db3db6..5e9e095f1136 100644 --- a/drivers/hwmon/adcxx.c +++ b/drivers/hwmon/adcxx.c @@ -43,6 +43,7 @@ #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> #include <linux/mutex.h> +#include <linux/mod_devicetable.h> #include <linux/spi/spi.h> #define DRVNAME "adcxx" @@ -157,8 +158,9 @@ static struct sensor_device_attribute ad_input[] = { /*----------------------------------------------------------------------*/ -static int __devinit adcxx_probe(struct spi_device *spi, int channels) +static int __devinit adcxx_probe(struct spi_device *spi) { + int channels = spi_get_device_id(spi)->driver_data; struct adcxx *adc; int status; int i; @@ -204,26 +206,6 @@ out_err: return status; } -static int __devinit adcxx1s_probe(struct spi_device *spi) -{ - return adcxx_probe(spi, 1); -} - -static int __devinit adcxx2s_probe(struct spi_device *spi) -{ - return adcxx_probe(spi, 2); -} - -static int __devinit adcxx4s_probe(struct spi_device *spi) -{ - return adcxx_probe(spi, 4); -} - -static int __devinit adcxx8s_probe(struct spi_device *spi) -{ - return adcxx_probe(spi, 8); -} - static int __devexit adcxx_remove(struct spi_device *spi) { struct adcxx *adc = dev_get_drvdata(&spi->dev); @@ -241,79 +223,33 @@ static int __devexit adcxx_remove(struct spi_device *spi) return 0; } -static struct spi_driver adcxx1s_driver = { - .driver = { - .name = "adcxx1s", - .owner = THIS_MODULE, - }, - .probe = adcxx1s_probe, - .remove = __devexit_p(adcxx_remove), +static const struct spi_device_id adcxx_ids[] = { + { "adcxx1s", 1 }, + { "adcxx2s", 2 }, + { "adcxx4s", 4 }, + { "adcxx8s", 8 }, + { }, }; +MODULE_DEVICE_TABLE(spi, adcxx_ids); -static struct spi_driver adcxx2s_driver = { +static struct spi_driver adcxx_driver = { .driver = { - .name = "adcxx2s", + .name = "adcxx", .owner = THIS_MODULE, }, - .probe = adcxx2s_probe, - .remove = __devexit_p(adcxx_remove), -}; - -static struct spi_driver adcxx4s_driver = { - .driver = { - .name = "adcxx4s", - .owner = THIS_MODULE, - }, - .probe = adcxx4s_probe, - .remove = __devexit_p(adcxx_remove), -}; - -static struct spi_driver adcxx8s_driver = { - .driver = { - .name = "adcxx8s", - .owner = THIS_MODULE, - }, - .probe = adcxx8s_probe, + .id_table = adcxx_ids, + .probe = adcxx_probe, .remove = __devexit_p(adcxx_remove), }; static int __init init_adcxx(void) { - int status; - status = spi_register_driver(&adcxx1s_driver); - if (status) - goto reg_1_failed; - - status = spi_register_driver(&adcxx2s_driver); - if (status) - goto reg_2_failed; - - status = spi_register_driver(&adcxx4s_driver); - if (status) - goto reg_4_failed; - - status = spi_register_driver(&adcxx8s_driver); - if (status) - goto reg_8_failed; - - return status; - -reg_8_failed: - spi_unregister_driver(&adcxx4s_driver); -reg_4_failed: - spi_unregister_driver(&adcxx2s_driver); -reg_2_failed: - spi_unregister_driver(&adcxx1s_driver); -reg_1_failed: - return status; + return spi_register_driver(&adcxx_driver); } static void __exit exit_adcxx(void) { - spi_unregister_driver(&adcxx1s_driver); - spi_unregister_driver(&adcxx2s_driver); - spi_unregister_driver(&adcxx4s_driver); - spi_unregister_driver(&adcxx8s_driver); + spi_unregister_driver(&adcxx_driver); } module_init(init_adcxx); @@ -322,8 +258,3 @@ module_exit(exit_adcxx); MODULE_AUTHOR("Marc Pignat"); MODULE_DESCRIPTION("National Semiconductor adcxx8sxxx Linux driver"); MODULE_LICENSE("GPL"); - -MODULE_ALIAS("adcxx1s"); -MODULE_ALIAS("adcxx2s"); -MODULE_ALIAS("adcxx4s"); -MODULE_ALIAS("adcxx8s"); diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c index b11e06f644b1..afc594318125 100644 --- a/drivers/hwmon/adm1021.c +++ b/drivers/hwmon/adm1021.c @@ -83,16 +83,14 @@ struct adm1021_data { struct mutex update_lock; char valid; /* !=0 if following fields are valid */ + char low_power; /* !=0 if device in low power mode */ unsigned long last_updated; /* In jiffies */ - s8 temp_max[2]; /* Register values */ - s8 temp_min[2]; - s8 temp[2]; + int temp_max[2]; /* Register values */ + int temp_min[2]; + int temp[2]; u8 alarms; /* Special values for ADM1023 only */ - u8 remote_temp_prec; - u8 remote_temp_os_prec; - u8 remote_temp_hyst_prec; u8 remote_temp_offset; u8 remote_temp_offset_prec; }; @@ -141,7 +139,7 @@ static ssize_t show_temp(struct device *dev, int index = to_sensor_dev_attr(devattr)->index; struct adm1021_data *data = adm1021_update_device(dev); - return sprintf(buf, "%d\n", 1000 * data->temp[index]); + return sprintf(buf, "%d\n", data->temp[index]); } static ssize_t show_temp_max(struct device *dev, @@ -150,7 +148,7 @@ static ssize_t show_temp_max(struct device *dev, int index = to_sensor_dev_attr(devattr)->index; struct adm1021_data *data = adm1021_update_device(dev); - return sprintf(buf, "%d\n", 1000 * data->temp_max[index]); + return sprintf(buf, "%d\n", data->temp_max[index]); } static ssize_t show_temp_min(struct device *dev, @@ -159,7 +157,7 @@ static ssize_t show_temp_min(struct device *dev, int index = to_sensor_dev_attr(devattr)->index; struct adm1021_data *data = adm1021_update_device(dev); - return sprintf(buf, "%d\n", 1000 * data->temp_min[index]); + return sprintf(buf, "%d\n", data->temp_min[index]); } static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, @@ -216,6 +214,35 @@ static ssize_t set_temp_min(struct device *dev, return count; } +static ssize_t show_low_power(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + struct adm1021_data *data = adm1021_update_device(dev); + return sprintf(buf, "%d\n", data->low_power); +} + +static ssize_t set_low_power(struct device *dev, + struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct adm1021_data *data = i2c_get_clientdata(client); + int low_power = simple_strtol(buf, NULL, 10) != 0; + + mutex_lock(&data->update_lock); + if (low_power != data->low_power) { + int config = i2c_smbus_read_byte_data( + client, ADM1021_REG_CONFIG_R); + data->low_power = low_power; + i2c_smbus_write_byte_data(client, ADM1021_REG_CONFIG_W, + (config & 0xBF) | (low_power << 6)); + } + mutex_unlock(&data->update_lock); + + return count; +} + + static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, set_temp_max, 0); @@ -233,6 +260,7 @@ static SENSOR_DEVICE_ATTR(temp2_min_alarm, S_IRUGO, show_alarm, NULL, 3); static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_alarm, NULL, 2); static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); +static DEVICE_ATTR(low_power, S_IWUSR | S_IRUGO, show_low_power, set_low_power); static struct attribute *adm1021_attributes[] = { &sensor_dev_attr_temp1_max.dev_attr.attr, @@ -247,6 +275,7 @@ static struct attribute *adm1021_attributes[] = { &sensor_dev_attr_temp2_min_alarm.dev_attr.attr, &sensor_dev_attr_temp2_fault.dev_attr.attr, &dev_attr_alarms.attr, + &dev_attr_low_power.attr, NULL }; @@ -412,25 +441,27 @@ static struct adm1021_data *adm1021_update_device(struct device *dev) dev_dbg(&client->dev, "Starting adm1021 update\n"); for (i = 0; i < 2; i++) { - data->temp[i] = i2c_smbus_read_byte_data(client, - ADM1021_REG_TEMP(i)); - data->temp_max[i] = i2c_smbus_read_byte_data(client, - ADM1021_REG_TOS_R(i)); - data->temp_min[i] = i2c_smbus_read_byte_data(client, - ADM1021_REG_THYST_R(i)); + data->temp[i] = 1000 * + (s8) i2c_smbus_read_byte_data( + client, ADM1021_REG_TEMP(i)); + data->temp_max[i] = 1000 * + (s8) i2c_smbus_read_byte_data( + client, ADM1021_REG_TOS_R(i)); + data->temp_min[i] = 1000 * + (s8) i2c_smbus_read_byte_data( + client, ADM1021_REG_THYST_R(i)); } data->alarms = i2c_smbus_read_byte_data(client, ADM1021_REG_STATUS) & 0x7c; if (data->type == adm1023) { - data->remote_temp_prec = - i2c_smbus_read_byte_data(client, - ADM1023_REG_REM_TEMP_PREC); - data->remote_temp_os_prec = - i2c_smbus_read_byte_data(client, - ADM1023_REG_REM_TOS_PREC); - data->remote_temp_hyst_prec = - i2c_smbus_read_byte_data(client, - ADM1023_REG_REM_THYST_PREC); + /* The ADM1023 provides 3 extra bits of precision for + * the remote sensor in extra registers. */ + data->temp[1] += 125 * (i2c_smbus_read_byte_data( + client, ADM1023_REG_REM_TEMP_PREC) >> 5); + data->temp_max[1] += 125 * (i2c_smbus_read_byte_data( + client, ADM1023_REG_REM_TOS_PREC) >> 5); + data->temp_min[1] += 125 * (i2c_smbus_read_byte_data( + client, ADM1023_REG_REM_THYST_PREC) >> 5); data->remote_temp_offset = i2c_smbus_read_byte_data(client, ADM1023_REG_REM_OFFSET); diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index 753b34885f9d..7ea6a8f66056 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -178,6 +178,8 @@ static const int debug; static struct platform_device *pdev; static s16 rest_x; static s16 rest_y; +static u8 backlight_state[2]; + static struct device *hwmon_dev; static struct input_polled_dev *applesmc_idev; @@ -497,17 +499,36 @@ static int applesmc_probe(struct platform_device *dev) return 0; } -static int applesmc_resume(struct platform_device *dev) +/* Synchronize device with memorized backlight state */ +static int applesmc_pm_resume(struct device *dev) { - return applesmc_device_init(); + mutex_lock(&applesmc_lock); + if (applesmc_light) + applesmc_write_key(BACKLIGHT_KEY, backlight_state, 2); + mutex_unlock(&applesmc_lock); + return 0; } +/* Reinitialize device on resume from hibernation */ +static int applesmc_pm_restore(struct device *dev) +{ + int ret = applesmc_device_init(); + if (ret) + return ret; + return applesmc_pm_resume(dev); +} + +static struct dev_pm_ops applesmc_pm_ops = { + .resume = applesmc_pm_resume, + .restore = applesmc_pm_restore, +}; + static struct platform_driver applesmc_driver = { .probe = applesmc_probe, - .resume = applesmc_resume, .driver = { .name = "applesmc", .owner = THIS_MODULE, + .pm = &applesmc_pm_ops, }, }; @@ -804,17 +825,10 @@ static ssize_t applesmc_calibrate_store(struct device *dev, return count; } -/* Store the next backlight value to be written by the work */ -static unsigned int backlight_value; - static void applesmc_backlight_set(struct work_struct *work) { - u8 buffer[2]; - mutex_lock(&applesmc_lock); - buffer[0] = backlight_value; - buffer[1] = 0x00; - applesmc_write_key(BACKLIGHT_KEY, buffer, 2); + applesmc_write_key(BACKLIGHT_KEY, backlight_state, 2); mutex_unlock(&applesmc_lock); } static DECLARE_WORK(backlight_work, &applesmc_backlight_set); @@ -824,7 +838,7 @@ static void applesmc_brightness_set(struct led_classdev *led_cdev, { int ret; - backlight_value = value; + backlight_state[0] = value; ret = queue_work(applesmc_led_wq, &backlight_work); if (debug && (!ret)) diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index 93c17223b527..972cf4ba963c 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -185,7 +185,7 @@ static int __devinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device * } } - if (ismobile) { + if (ismobile || c->x86_model == 0x1c) { err = rdmsr_safe_on_cpu(id, 0xee, &eax, &edx); if (err) { @@ -417,7 +417,7 @@ static int __init coretemp_init(void) if ((c->cpuid_level < 0) || (c->x86 != 0x6) || !((c->x86_model == 0xe) || (c->x86_model == 0xf) || (c->x86_model == 0x16) || (c->x86_model == 0x17) || - (c->x86_model == 0x1A))) { + (c->x86_model == 0x1A) || (c->x86_model == 0x1c))) { /* supported CPU not found, but report the unknown family 6 CPU */ diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c index 9814d51b3af4..2c2cb1ec94c5 100644 --- a/drivers/hwmon/dme1737.c +++ b/drivers/hwmon/dme1737.c @@ -1134,7 +1134,7 @@ static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, res = PWM_FREQ_FROM_REG(data->pwm_freq[ix]); break; case SYS_PWM_ENABLE: - if (ix > 3) { + if (ix >= 3) { res = 1; /* pwm[5-6] hard-wired to manual mode */ } else { res = PWM_EN_FROM_REG(data->pwm_config[ix]); diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c index 271338bdb6be..cf5afb9a10ab 100644 --- a/drivers/hwmon/lis3lv02d.c +++ b/drivers/hwmon/lis3lv02d.c @@ -454,6 +454,15 @@ int lis3lv02d_init_device(struct lis3lv02d *dev) (p->click_thresh_y << 4)); } + if (p->wakeup_flags && (dev->whoami == LIS_SINGLE_ID)) { + dev->write(dev, FF_WU_CFG_1, p->wakeup_flags); + dev->write(dev, FF_WU_THS_1, p->wakeup_thresh & 0x7f); + /* default to 2.5ms for now */ + dev->write(dev, FF_WU_DURATION_1, 1); + /* enable high pass filter for both free-fall units */ + dev->write(dev, CTRL_REG2, HP_FF_WU1 | HP_FF_WU2); + } + if (p->irq_cfg) dev->write(dev, CTRL_REG3, p->irq_cfg); } diff --git a/drivers/hwmon/lis3lv02d.h b/drivers/hwmon/lis3lv02d.h index e320e2f511f1..3e1ff46f72d3 100644 --- a/drivers/hwmon/lis3lv02d.h +++ b/drivers/hwmon/lis3lv02d.h @@ -58,15 +58,17 @@ enum lis3_reg { OUTZ_L = 0x2C, OUTZ_H = 0x2D, OUTZ = 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, }; enum lis302d_reg { + FF_WU_CFG_1 = 0x30, + FF_WU_SRC_1 = 0x31, + FF_WU_THS_1 = 0x32, + FF_WU_DURATION_1 = 0x33, + FF_WU_CFG_2 = 0x34, + FF_WU_SRC_2 = 0x35, + FF_WU_THS_2 = 0x36, + FF_WU_DURATION_2 = 0x37, CLICK_CFG = 0x38, CLICK_SRC = 0x39, CLICK_THSY_X = 0x3B, @@ -77,6 +79,12 @@ enum lis302d_reg { }; enum lis3lv02d_reg { + 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, @@ -107,6 +115,10 @@ enum lis3lv02d_ctrl2 { CTRL2_FS = 0x80, /* Full Scale selection */ }; +enum lis302d_ctrl2 { + HP_FF_WU2 = 0x08, + HP_FF_WU1 = 0x04, +}; enum lis3lv02d_ctrl3 { CTRL3_CFS0 = 0x01, diff --git a/drivers/hwmon/lis3lv02d_spi.c b/drivers/hwmon/lis3lv02d_spi.c index 3827ff04485f..ecd739534f6a 100644 --- a/drivers/hwmon/lis3lv02d_spi.c +++ b/drivers/hwmon/lis3lv02d_spi.c @@ -66,17 +66,16 @@ static int __devinit lis302dl_spi_probe(struct spi_device *spi) if (ret < 0) return ret; - lis3_dev.bus_priv = spi; - lis3_dev.init = lis3_spi_init; - lis3_dev.read = lis3_spi_read; - lis3_dev.write = lis3_spi_write; - lis3_dev.irq = spi->irq; - lis3_dev.ac = lis3lv02d_axis_normal; - lis3_dev.pdata = spi->dev.platform_data; + lis3_dev.bus_priv = spi; + lis3_dev.init = lis3_spi_init; + lis3_dev.read = lis3_spi_read; + lis3_dev.write = lis3_spi_write; + lis3_dev.irq = spi->irq; + lis3_dev.ac = lis3lv02d_axis_normal; + lis3_dev.pdata = spi->dev.platform_data; spi_set_drvdata(spi, &lis3_dev); - ret = lis3lv02d_init_device(&lis3_dev); - return ret; + return lis3lv02d_init_device(&lis3_dev); } static int __devexit lis302dl_spi_remove(struct spi_device *spi) @@ -87,6 +86,32 @@ static int __devexit lis302dl_spi_remove(struct spi_device *spi) return 0; } +#ifdef CONFIG_PM +static int lis3lv02d_spi_suspend(struct spi_device *spi, pm_message_t mesg) +{ + struct lis3lv02d *lis3 = spi_get_drvdata(spi); + + if (!lis3->pdata->wakeup_flags) + lis3lv02d_poweroff(&lis3_dev); + + return 0; +} + +static int lis3lv02d_spi_resume(struct spi_device *spi) +{ + struct lis3lv02d *lis3 = spi_get_drvdata(spi); + + if (!lis3->pdata->wakeup_flags) + lis3lv02d_poweron(lis3); + + return 0; +} + +#else +#define lis3lv02d_spi_suspend NULL +#define lis3lv02d_spi_resume NULL +#endif + static struct spi_driver lis302dl_spi_driver = { .driver = { .name = DRV_NAME, @@ -94,6 +119,8 @@ static struct spi_driver lis302dl_spi_driver = { }, .probe = lis302dl_spi_probe, .remove = __devexit_p(lis302dl_spi_remove), + .suspend = lis3lv02d_spi_suspend, + .resume = lis3lv02d_spi_resume, }; static int __init lis302dl_init(void) @@ -112,4 +139,4 @@ module_exit(lis302dl_exit); MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>"); MODULE_DESCRIPTION("lis3lv02d SPI glue layer"); MODULE_LICENSE("GPL"); - +MODULE_ALIAS("spi:" DRV_NAME); diff --git a/drivers/hwmon/lm70.c b/drivers/hwmon/lm70.c index ae6204f33214..ab8a5d3c7690 100644 --- a/drivers/hwmon/lm70.c +++ b/drivers/hwmon/lm70.c @@ -32,6 +32,7 @@ #include <linux/sysfs.h> #include <linux/hwmon.h> #include <linux/mutex.h> +#include <linux/mod_devicetable.h> #include <linux/spi/spi.h> @@ -130,11 +131,20 @@ static DEVICE_ATTR(name, S_IRUGO, lm70_show_name, NULL); /*----------------------------------------------------------------------*/ -static int __devinit common_probe(struct spi_device *spi, int chip) +static int __devinit lm70_probe(struct spi_device *spi) { + int chip = spi_get_device_id(spi)->driver_data; struct lm70 *p_lm70; int status; + /* signaling is SPI_MODE_0 for both LM70 and TMP121 */ + if (spi->mode & (SPI_CPOL | SPI_CPHA)) + return -EINVAL; + + /* 3-wire link (shared SI/SO) for LM70 */ + if (chip == LM70_CHIP_LM70 && !(spi->mode & SPI_3WIRE)) + return -EINVAL; + /* NOTE: we assume 8-bit words, and convert to 16 bits manually */ p_lm70 = kzalloc(sizeof *p_lm70, GFP_KERNEL); @@ -170,24 +180,6 @@ out_dev_reg_failed: return status; } -static int __devinit lm70_probe(struct spi_device *spi) -{ - /* signaling is SPI_MODE_0 on a 3-wire link (shared SI/SO) */ - if ((spi->mode & (SPI_CPOL | SPI_CPHA)) || !(spi->mode & SPI_3WIRE)) - return -EINVAL; - - return common_probe(spi, LM70_CHIP_LM70); -} - -static int __devinit tmp121_probe(struct spi_device *spi) -{ - /* signaling is SPI_MODE_0 with only MISO connected */ - if (spi->mode & (SPI_CPOL | SPI_CPHA)) - return -EINVAL; - - return common_probe(spi, LM70_CHIP_TMP121); -} - static int __devexit lm70_remove(struct spi_device *spi) { struct lm70 *p_lm70 = dev_get_drvdata(&spi->dev); @@ -201,41 +193,32 @@ static int __devexit lm70_remove(struct spi_device *spi) return 0; } -static struct spi_driver tmp121_driver = { - .driver = { - .name = "tmp121", - .owner = THIS_MODULE, - }, - .probe = tmp121_probe, - .remove = __devexit_p(lm70_remove), + +static const struct spi_device_id lm70_ids[] = { + { "lm70", LM70_CHIP_LM70 }, + { "tmp121", LM70_CHIP_TMP121 }, + { }, }; +MODULE_DEVICE_TABLE(spi, lm70_ids); static struct spi_driver lm70_driver = { .driver = { .name = "lm70", .owner = THIS_MODULE, }, + .id_table = lm70_ids, .probe = lm70_probe, .remove = __devexit_p(lm70_remove), }; static int __init init_lm70(void) { - int ret = spi_register_driver(&lm70_driver); - if (ret) - return ret; - - ret = spi_register_driver(&tmp121_driver); - if (ret) - spi_unregister_driver(&lm70_driver); - - return ret; + return spi_register_driver(&lm70_driver); } static void __exit cleanup_lm70(void) { spi_unregister_driver(&lm70_driver); - spi_unregister_driver(&tmp121_driver); } module_init(init_lm70); diff --git a/drivers/hwmon/max1111.c b/drivers/hwmon/max1111.c index bfaa665ccf32..9ac497271adf 100644 --- a/drivers/hwmon/max1111.c +++ b/drivers/hwmon/max1111.c @@ -242,3 +242,4 @@ module_exit(max1111_exit); MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>"); MODULE_DESCRIPTION("MAX1111 ADC Driver"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("spi:max1111"); diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c index 6290a259456e..303c02694c3c 100644 --- a/drivers/hwmon/sht15.c +++ b/drivers/hwmon/sht15.c @@ -562,7 +562,7 @@ static int __devinit sht15_probe(struct platform_device *pdev) ret = sysfs_create_group(&pdev->dev.kobj, &sht15_attr_group); if (ret) { dev_err(&pdev->dev, "sysfs create failed"); - goto err_free_data; + goto err_release_gpio_data; } ret = request_irq(gpio_to_irq(data->pdata->gpio_data), @@ -581,10 +581,12 @@ static int __devinit sht15_probe(struct platform_device *pdev) data->hwmon_dev = hwmon_device_register(data->dev); if (IS_ERR(data->hwmon_dev)) { ret = PTR_ERR(data->hwmon_dev); - goto err_release_gpio_data; + goto err_release_irq; } return 0; +err_release_irq: + free_irq(gpio_to_irq(data->pdata->gpio_data), data); err_release_gpio_data: gpio_free(data->pdata->gpio_data); err_release_gpio_sck: diff --git a/drivers/hwmon/wm831x-hwmon.c b/drivers/hwmon/wm831x-hwmon.c new file mode 100644 index 000000000000..c16e9e74c356 --- /dev/null +++ b/drivers/hwmon/wm831x-hwmon.c @@ -0,0 +1,226 @@ +/* + * drivers/hwmon/wm831x-hwmon.c - Wolfson Microelectronics WM831x PMIC + * hardware monitoring features. + * + * Copyright (C) 2009 Wolfson Microelectronics plc + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License v2 as published by the + * Free Software Foundation. + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/err.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> + +#include <linux/mfd/wm831x/core.h> +#include <linux/mfd/wm831x/auxadc.h> + +struct wm831x_hwmon { + struct wm831x *wm831x; + struct device *classdev; +}; + +static ssize_t show_name(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "wm831x\n"); +} + +static const char *input_names[] = { + [WM831X_AUX_SYSVDD] = "SYSVDD", + [WM831X_AUX_USB] = "USB", + [WM831X_AUX_BKUP_BATT] = "Backup battery", + [WM831X_AUX_BATT] = "Battery", + [WM831X_AUX_WALL] = "WALL", + [WM831X_AUX_CHIP_TEMP] = "PMIC", + [WM831X_AUX_BATT_TEMP] = "Battery", +}; + + +static ssize_t show_voltage(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct wm831x_hwmon *hwmon = dev_get_drvdata(dev); + int channel = to_sensor_dev_attr(attr)->index; + int ret; + + ret = wm831x_auxadc_read_uv(hwmon->wm831x, channel); + if (ret < 0) + return ret; + + return sprintf(buf, "%d\n", DIV_ROUND_CLOSEST(ret, 1000)); +} + +static ssize_t show_chip_temp(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct wm831x_hwmon *hwmon = dev_get_drvdata(dev); + int channel = to_sensor_dev_attr(attr)->index; + int ret; + + ret = wm831x_auxadc_read(hwmon->wm831x, channel); + if (ret < 0) + return ret; + + /* Degrees celsius = (512.18-ret) / 1.0983 */ + ret = 512180 - (ret * 1000); + ret = DIV_ROUND_CLOSEST(ret * 10000, 10983); + + return sprintf(buf, "%d\n", ret); +} + +static ssize_t show_label(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int channel = to_sensor_dev_attr(attr)->index; + + return sprintf(buf, "%s\n", input_names[channel]); +} + +#define WM831X_VOLTAGE(id, name) \ + static SENSOR_DEVICE_ATTR(in##id##_input, S_IRUGO, show_voltage, \ + NULL, name) + +#define WM831X_NAMED_VOLTAGE(id, name) \ + WM831X_VOLTAGE(id, name); \ + static SENSOR_DEVICE_ATTR(in##id##_label, S_IRUGO, show_label, \ + NULL, name) + +static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); + +WM831X_VOLTAGE(0, WM831X_AUX_AUX1); +WM831X_VOLTAGE(1, WM831X_AUX_AUX2); +WM831X_VOLTAGE(2, WM831X_AUX_AUX3); +WM831X_VOLTAGE(3, WM831X_AUX_AUX4); + +WM831X_NAMED_VOLTAGE(4, WM831X_AUX_SYSVDD); +WM831X_NAMED_VOLTAGE(5, WM831X_AUX_USB); +WM831X_NAMED_VOLTAGE(6, WM831X_AUX_BATT); +WM831X_NAMED_VOLTAGE(7, WM831X_AUX_WALL); +WM831X_NAMED_VOLTAGE(8, WM831X_AUX_BKUP_BATT); + +static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_chip_temp, NULL, + WM831X_AUX_CHIP_TEMP); +static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, show_label, NULL, + WM831X_AUX_CHIP_TEMP); +/* Report as a voltage since conversion depends on external components + * and that's what the ABI wants. */ +static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_voltage, NULL, + WM831X_AUX_BATT_TEMP); +static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO, show_label, NULL, + WM831X_AUX_BATT_TEMP); + +static struct attribute *wm831x_attributes[] = { + &dev_attr_name.attr, + + &sensor_dev_attr_in0_input.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_in4_label.dev_attr.attr, + &sensor_dev_attr_in5_input.dev_attr.attr, + &sensor_dev_attr_in5_label.dev_attr.attr, + &sensor_dev_attr_in6_input.dev_attr.attr, + &sensor_dev_attr_in6_label.dev_attr.attr, + &sensor_dev_attr_in7_input.dev_attr.attr, + &sensor_dev_attr_in7_label.dev_attr.attr, + &sensor_dev_attr_in8_input.dev_attr.attr, + &sensor_dev_attr_in8_label.dev_attr.attr, + + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp1_label.dev_attr.attr, + &sensor_dev_attr_temp2_input.dev_attr.attr, + &sensor_dev_attr_temp2_label.dev_attr.attr, + + NULL +}; + +static const struct attribute_group wm831x_attr_group = { + .attrs = wm831x_attributes, +}; + +static int __devinit wm831x_hwmon_probe(struct platform_device *pdev) +{ + struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent); + struct wm831x_hwmon *hwmon; + int ret; + + hwmon = kzalloc(sizeof(struct wm831x_hwmon), GFP_KERNEL); + if (!hwmon) + return -ENOMEM; + + hwmon->wm831x = wm831x; + + ret = sysfs_create_group(&pdev->dev.kobj, &wm831x_attr_group); + if (ret) + goto err; + + hwmon->classdev = hwmon_device_register(&pdev->dev); + if (IS_ERR(hwmon->classdev)) { + ret = PTR_ERR(hwmon->classdev); + goto err_sysfs; + } + + platform_set_drvdata(pdev, hwmon); + + return 0; + +err_sysfs: + sysfs_remove_group(&pdev->dev.kobj, &wm831x_attr_group); +err: + kfree(hwmon); + return ret; +} + +static int __devexit wm831x_hwmon_remove(struct platform_device *pdev) +{ + struct wm831x_hwmon *hwmon = platform_get_drvdata(pdev); + + hwmon_device_unregister(hwmon->classdev); + sysfs_remove_group(&pdev->dev.kobj, &wm831x_attr_group); + platform_set_drvdata(pdev, NULL); + kfree(hwmon); + + return 0; +} + +static struct platform_driver wm831x_hwmon_driver = { + .probe = wm831x_hwmon_probe, + .remove = __devexit_p(wm831x_hwmon_remove), + .driver = { + .name = "wm831x-hwmon", + .owner = THIS_MODULE, + }, +}; + +static int __init wm831x_hwmon_init(void) +{ + return platform_driver_register(&wm831x_hwmon_driver); +} +module_init(wm831x_hwmon_init); + +static void __exit wm831x_hwmon_exit(void) +{ + platform_driver_unregister(&wm831x_hwmon_driver); +} +module_exit(wm831x_hwmon_exit); + +MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); +MODULE_DESCRIPTION("WM831x Hardware Monitoring"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:wm831x-hwmon"); diff --git a/drivers/hwmon/wm8350-hwmon.c b/drivers/hwmon/wm8350-hwmon.c new file mode 100644 index 000000000000..13290595ca86 --- /dev/null +++ b/drivers/hwmon/wm8350-hwmon.c @@ -0,0 +1,151 @@ +/* + * drivers/hwmon/wm8350-hwmon.c - Wolfson Microelectronics WM8350 PMIC + * hardware monitoring features. + * + * Copyright (C) 2009 Wolfson Microelectronics plc + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License v2 as published by the + * Free Software Foundation. + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/err.h> +#include <linux/platform_device.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> + +#include <linux/mfd/wm8350/core.h> +#include <linux/mfd/wm8350/comparator.h> + +static ssize_t show_name(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "wm8350\n"); +} + +static const char *input_names[] = { + [WM8350_AUXADC_USB] = "USB", + [WM8350_AUXADC_LINE] = "Line", + [WM8350_AUXADC_BATT] = "Battery", +}; + + +static ssize_t show_voltage(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct wm8350 *wm8350 = dev_get_drvdata(dev); + int channel = to_sensor_dev_attr(attr)->index; + int val; + + val = wm8350_read_auxadc(wm8350, channel, 0, 0) * WM8350_AUX_COEFF; + val = DIV_ROUND_CLOSEST(val, 1000); + + return sprintf(buf, "%d\n", val); +} + +static ssize_t show_label(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int channel = to_sensor_dev_attr(attr)->index; + + return sprintf(buf, "%s\n", input_names[channel]); +} + +#define WM8350_NAMED_VOLTAGE(id, name) \ + static SENSOR_DEVICE_ATTR(in##id##_input, S_IRUGO, show_voltage,\ + NULL, name); \ + static SENSOR_DEVICE_ATTR(in##id##_label, S_IRUGO, show_label, \ + NULL, name) + +static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); + +WM8350_NAMED_VOLTAGE(0, WM8350_AUXADC_USB); +WM8350_NAMED_VOLTAGE(1, WM8350_AUXADC_BATT); +WM8350_NAMED_VOLTAGE(2, WM8350_AUXADC_LINE); + +static struct attribute *wm8350_attributes[] = { + &dev_attr_name.attr, + + &sensor_dev_attr_in0_input.dev_attr.attr, + &sensor_dev_attr_in0_label.dev_attr.attr, + &sensor_dev_attr_in1_input.dev_attr.attr, + &sensor_dev_attr_in1_label.dev_attr.attr, + &sensor_dev_attr_in2_input.dev_attr.attr, + &sensor_dev_attr_in2_label.dev_attr.attr, + + NULL, +}; + +static const struct attribute_group wm8350_attr_group = { + .attrs = wm8350_attributes, +}; + +static int __devinit wm8350_hwmon_probe(struct platform_device *pdev) +{ + struct wm8350 *wm8350 = platform_get_drvdata(pdev); + int ret; + + ret = sysfs_create_group(&pdev->dev.kobj, &wm8350_attr_group); + if (ret) + goto err; + + wm8350->hwmon.classdev = hwmon_device_register(&pdev->dev); + if (IS_ERR(wm8350->hwmon.classdev)) { + ret = PTR_ERR(wm8350->hwmon.classdev); + goto err_group; + } + + return 0; + +err_group: + sysfs_remove_group(&pdev->dev.kobj, &wm8350_attr_group); +err: + return ret; +} + +static int __devexit wm8350_hwmon_remove(struct platform_device *pdev) +{ + struct wm8350 *wm8350 = platform_get_drvdata(pdev); + + hwmon_device_unregister(wm8350->hwmon.classdev); + sysfs_remove_group(&pdev->dev.kobj, &wm8350_attr_group); + + return 0; +} + +static struct platform_driver wm8350_hwmon_driver = { + .probe = wm8350_hwmon_probe, + .remove = __devexit_p(wm8350_hwmon_remove), + .driver = { + .name = "wm8350-hwmon", + .owner = THIS_MODULE, + }, +}; + +static int __init wm8350_hwmon_init(void) +{ + return platform_driver_register(&wm8350_hwmon_driver); +} +module_init(wm8350_hwmon_init); + +static void __exit wm8350_hwmon_exit(void) +{ + platform_driver_unregister(&wm8350_hwmon_driver); +} +module_exit(wm8350_hwmon_exit); + +MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); +MODULE_DESCRIPTION("WM8350 Hardware Monitoring"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:wm8350-hwmon"); |
