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-rw-r--r--drivers/hwmon/Kconfig95
-rw-r--r--drivers/hwmon/Makefile7
-rw-r--r--drivers/hwmon/asus_atk0110.c1009
-rw-r--r--drivers/hwmon/ds1621.c172
-rw-r--r--drivers/hwmon/f75375s.c4
-rw-r--r--drivers/hwmon/fschmd.c229
-rw-r--r--drivers/hwmon/g760a.c272
-rw-r--r--drivers/hwmon/hdaps.c66
-rw-r--r--drivers/hwmon/hp_accel.c125
-rw-r--r--drivers/hwmon/lis3lv02d.c288
-rw-r--r--drivers/hwmon/lis3lv02d.h20
-rw-r--r--drivers/hwmon/lis3lv02d_spi.c114
-rw-r--r--drivers/hwmon/lm95241.c509
-rw-r--r--drivers/hwmon/ltc4215.c364
-rw-r--r--drivers/hwmon/pcf8591.c325
-rw-r--r--drivers/hwmon/sht15.c692
-rw-r--r--drivers/hwmon/w83627ehf.c170
17 files changed, 4020 insertions, 441 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index b4eea0292c1a..d73f5f473e38 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -248,6 +248,18 @@ config SENSORS_ASB100
This driver can also be built as a module. If so, the module
will be called asb100.
+config SENSORS_ATK0110
+ tristate "ASUS ATK0110 ACPI hwmon"
+ depends on X86 && ACPI && EXPERIMENTAL
+ help
+ If you say yes here you get support for the ACPI hardware
+ monitoring interface found in many ASUS motherboards. This
+ driver will provide readings of fans, voltages and temperatures
+ through the system firmware.
+
+ This driver can also be built as a module. If so, the module
+ will be called asus_atk0110.
+
config SENSORS_ATXP1
tristate "Attansic ATXP1 VID controller"
depends on I2C && EXPERIMENTAL
@@ -343,12 +355,13 @@ config SENSORS_FSCPOS
will be called fscpos.
config SENSORS_FSCHMD
- tristate "FSC Poseidon, Scylla, Hermes, Heimdall and Heracles"
+ tristate "Fujitsu Siemens Computers sensor chips"
depends on X86 && I2C
help
- If you say yes here you get support for various Fujitsu Siemens
- Computers sensor chips, including support for the integrated
- watchdog.
+ If you say yes here you get support for the following Fujitsu
+ Siemens Computers (FSC) sensor chips: Poseidon, Scylla, Hermes,
+ Heimdall, Heracles, Hades and Syleus including support for the
+ integrated watchdog.
This is a merged driver for FSC sensor chips replacing the fscpos,
fscscy and fscher drivers and adding support for several other FSC
@@ -357,6 +370,16 @@ config SENSORS_FSCHMD
This driver can also be built as a module. If so, the module
will be called fschmd.
+config SENSORS_G760A
+ tristate "GMT G760A"
+ depends on I2C
+ help
+ If you say yes here you get support for Global Mixed-mode
+ Technology Inc G760A fan speed PWM controller chips.
+
+ This driver can also be built as a module. If so, the module
+ will be called g760a.
+
config SENSORS_GL518SM
tristate "Genesys Logic GL518SM"
depends on I2C
@@ -570,6 +593,17 @@ config SENSORS_LM93
This driver can also be built as a module. If so, the module
will be called lm93.
+config SENSORS_LTC4215
+ tristate "Linear Technology LTC4215"
+ depends on I2C && EXPERIMENTAL
+ default n
+ help
+ If you say yes here you get support for Linear Technology LTC4215
+ Hot Swap Controller I2C interface.
+
+ This driver can also be built as a module. If so, the module will
+ be called ltc4215.
+
config SENSORS_LTC4245
tristate "Linear Technology LTC4245"
depends on I2C && EXPERIMENTAL
@@ -581,6 +615,15 @@ config SENSORS_LTC4245
This driver can also be built as a module. If so, the module will
be called ltc4245.
+config SENSORS_LM95241
+ tristate "National Semiconductor LM95241 sensor chip"
+ depends on I2C
+ help
+ If you say yes here you get support for LM95241 sensor chip.
+
+ This driver can also be built as a module. If so, the module
+ will be called lm95241.
+
config SENSORS_MAX1111
tristate "Maxim MAX1111 Multichannel, Serial 8-bit ADC chip"
depends on SPI_MASTER
@@ -635,6 +678,30 @@ config SENSORS_PC87427
This driver can also be built as a module. If so, the module
will be called pc87427.
+config SENSORS_PCF8591
+ tristate "Philips PCF8591 ADC/DAC"
+ depends on I2C
+ default n
+ help
+ If you say yes here you get support for Philips PCF8591 4-channel
+ ADC, 1-channel DAC chips.
+
+ This driver can also be built as a module. If so, the module
+ will be called pcf8591.
+
+ These devices are hard to detect and rarely found on mainstream
+ hardware. If unsure, say N.
+
+config SENSORS_SHT15
+ tristate "Sensiron humidity and temperature sensors. SHT15 and compat."
+ depends on GENERIC_GPIO
+ help
+ If you say yes here you get support for the Sensiron SHT10, SHT11,
+ SHT15, SHT71, SHT75 humidity and temperature sensors.
+
+ This driver can also be built as a module. If so, the module
+ will be called sht15.
+
config SENSORS_SIS5595
tristate "Silicon Integrated Systems Corp. SiS5595"
depends on PCI
@@ -827,7 +894,7 @@ config SENSORS_W83627HF
will be called w83627hf.
config SENSORS_W83627EHF
- tristate "Winbond W83627EHF/DHG"
+ tristate "Winbond W83627EHF/EHG/DHG, W83667HG"
select HWMON_VID
help
If you say yes here you get support for the hardware
@@ -838,6 +905,8 @@ config SENSORS_W83627EHF
chip suited for specific Intel processors that use PECI such as
the Core 2 Duo.
+ This driver also supports the W83667HG chip.
+
This driver can also be built as a module. If so, the module
will be called w83627ehf.
@@ -895,6 +964,22 @@ config SENSORS_LIS3LV02D
Say Y here if you have an applicable laptop and want to experience
the awesome power of lis3lv02d.
+config SENSORS_LIS3_SPI
+ tristate "STMicroeletronics LIS3LV02Dx three-axis digital accelerometer (SPI)"
+ depends on !ACPI && SPI_MASTER && INPUT
+ default n
+ help
+ This driver provides support for the LIS3LV02Dx accelerometer connected
+ via SPI. 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 modules. If so, the core module
+ will be called lis3lv02d and a specific module for the SPI transport
+ is called lis3lv02d_spi.
+
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 2e80f37f39eb..0ae26984ba45 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -32,6 +32,7 @@ obj-$(CONFIG_SENSORS_ADT7475) += adt7475.o
obj-$(CONFIG_SENSORS_APPLESMC) += applesmc.o
obj-$(CONFIG_SENSORS_AMS) += ams/
+obj-$(CONFIG_SENSORS_ATK0110) += asus_atk0110.o
obj-$(CONFIG_SENSORS_ATXP1) += atxp1.o
obj-$(CONFIG_SENSORS_CORETEMP) += coretemp.o
obj-$(CONFIG_SENSORS_DME1737) += dme1737.o
@@ -42,6 +43,7 @@ obj-$(CONFIG_SENSORS_F75375S) += f75375s.o
obj-$(CONFIG_SENSORS_FSCHER) += fscher.o
obj-$(CONFIG_SENSORS_FSCHMD) += fschmd.o
obj-$(CONFIG_SENSORS_FSCPOS) += fscpos.o
+obj-$(CONFIG_SENSORS_G760A) += g760a.o
obj-$(CONFIG_SENSORS_GL518SM) += gl518sm.o
obj-$(CONFIG_SENSORS_GL520SM) += gl520sm.o
obj-$(CONFIG_SENSORS_ULTRA45) += ultra45_env.o
@@ -52,6 +54,7 @@ obj-$(CONFIG_SENSORS_IBMPEX) += ibmpex.o
obj-$(CONFIG_SENSORS_IT87) += it87.o
obj-$(CONFIG_SENSORS_K8TEMP) += k8temp.o
obj-$(CONFIG_SENSORS_LIS3LV02D) += lis3lv02d.o hp_accel.o
+obj-$(CONFIG_SENSORS_LIS3_SPI) += lis3lv02d.o lis3lv02d_spi.o
obj-$(CONFIG_SENSORS_LM63) += lm63.o
obj-$(CONFIG_SENSORS_LM70) += lm70.o
obj-$(CONFIG_SENSORS_LM75) += lm75.o
@@ -64,12 +67,16 @@ obj-$(CONFIG_SENSORS_LM87) += lm87.o
obj-$(CONFIG_SENSORS_LM90) += lm90.o
obj-$(CONFIG_SENSORS_LM92) += lm92.o
obj-$(CONFIG_SENSORS_LM93) += lm93.o
+obj-$(CONFIG_SENSORS_LM95241) += lm95241.o
+obj-$(CONFIG_SENSORS_LTC4215) += ltc4215.o
obj-$(CONFIG_SENSORS_LTC4245) += ltc4245.o
obj-$(CONFIG_SENSORS_MAX1111) += max1111.o
obj-$(CONFIG_SENSORS_MAX1619) += max1619.o
obj-$(CONFIG_SENSORS_MAX6650) += max6650.o
obj-$(CONFIG_SENSORS_PC87360) += pc87360.o
obj-$(CONFIG_SENSORS_PC87427) += pc87427.o
+obj-$(CONFIG_SENSORS_PCF8591) += pcf8591.o
+obj-$(CONFIG_SENSORS_SHT15) += sht15.o
obj-$(CONFIG_SENSORS_SIS5595) += sis5595.o
obj-$(CONFIG_SENSORS_SMSC47B397)+= smsc47b397.o
obj-$(CONFIG_SENSORS_SMSC47M1) += smsc47m1.o
diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c
new file mode 100644
index 000000000000..0897edef2574
--- /dev/null
+++ b/drivers/hwmon/asus_atk0110.c
@@ -0,0 +1,1009 @@
+/*
+ * Copyright (C) 2007-2009 Luca Tettamanti <kronos.it@gmail.com>
+ *
+ * This file is released under the GPLv2
+ * See COPYING in the top level directory of the kernel tree.
+ */
+
+#include <linux/kernel.h>
+#include <linux/hwmon.h>
+#include <linux/list.h>
+#include <linux/module.h>
+
+#include <acpi/acpi.h>
+#include <acpi/acpixf.h>
+#include <acpi/acpi_drivers.h>
+#include <acpi/acpi_bus.h>
+
+
+#define ATK_HID "ATK0110"
+
+/* Minimum time between readings, enforced in order to avoid
+ * hogging the CPU.
+ */
+#define CACHE_TIME HZ
+
+#define BOARD_ID "MBIF"
+#define METHOD_ENUMERATE "GGRP"
+#define METHOD_READ "GITM"
+#define METHOD_WRITE "SITM"
+#define METHOD_OLD_READ_TMP "RTMP"
+#define METHOD_OLD_READ_VLT "RVLT"
+#define METHOD_OLD_READ_FAN "RFAN"
+#define METHOD_OLD_ENUM_TMP "TSIF"
+#define METHOD_OLD_ENUM_VLT "VSIF"
+#define METHOD_OLD_ENUM_FAN "FSIF"
+
+#define ATK_MUX_HWMON 0x00000006ULL
+
+#define ATK_CLASS_MASK 0xff000000ULL
+#define ATK_CLASS_FREQ_CTL 0x03000000ULL
+#define ATK_CLASS_FAN_CTL 0x04000000ULL
+#define ATK_CLASS_HWMON 0x06000000ULL
+
+#define ATK_TYPE_MASK 0x00ff0000ULL
+#define HWMON_TYPE_VOLT 0x00020000ULL
+#define HWMON_TYPE_TEMP 0x00030000ULL
+#define HWMON_TYPE_FAN 0x00040000ULL
+
+#define HWMON_SENSOR_ID_MASK 0x0000ffffULL
+
+enum atk_pack_member {
+ HWMON_PACK_FLAGS,
+ HWMON_PACK_NAME,
+ HWMON_PACK_LIMIT1,
+ HWMON_PACK_LIMIT2,
+ HWMON_PACK_ENABLE
+};
+
+/* New package format */
+#define _HWMON_NEW_PACK_SIZE 7
+#define _HWMON_NEW_PACK_FLAGS 0
+#define _HWMON_NEW_PACK_NAME 1
+#define _HWMON_NEW_PACK_UNK1 2
+#define _HWMON_NEW_PACK_UNK2 3
+#define _HWMON_NEW_PACK_LIMIT1 4
+#define _HWMON_NEW_PACK_LIMIT2 5
+#define _HWMON_NEW_PACK_ENABLE 6
+
+/* Old package format */
+#define _HWMON_OLD_PACK_SIZE 5
+#define _HWMON_OLD_PACK_FLAGS 0
+#define _HWMON_OLD_PACK_NAME 1
+#define _HWMON_OLD_PACK_LIMIT1 2
+#define _HWMON_OLD_PACK_LIMIT2 3
+#define _HWMON_OLD_PACK_ENABLE 4
+
+
+struct atk_data {
+ struct device *hwmon_dev;
+ acpi_handle atk_handle;
+ struct acpi_device *acpi_dev;
+
+ bool old_interface;
+
+ /* old interface */
+ acpi_handle rtmp_handle;
+ acpi_handle rvlt_handle;
+ acpi_handle rfan_handle;
+ /* new inteface */
+ acpi_handle enumerate_handle;
+ acpi_handle read_handle;
+
+ int voltage_count;
+ int temperature_count;
+ int fan_count;
+ struct list_head sensor_list;
+};
+
+
+typedef ssize_t (*sysfs_show_func)(struct device *dev,
+ struct device_attribute *attr, char *buf);
+
+static const struct acpi_device_id atk_ids[] = {
+ {ATK_HID, 0},
+ {"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, atk_ids);
+
+#define ATTR_NAME_SIZE 16 /* Worst case is "tempN_input" */
+
+struct atk_sensor_data {
+ struct list_head list;
+ struct atk_data *data;
+ struct device_attribute label_attr;
+ struct device_attribute input_attr;
+ struct device_attribute limit1_attr;
+ struct device_attribute limit2_attr;
+ char label_attr_name[ATTR_NAME_SIZE];
+ char input_attr_name[ATTR_NAME_SIZE];
+ char limit1_attr_name[ATTR_NAME_SIZE];
+ char limit2_attr_name[ATTR_NAME_SIZE];
+ u64 id;
+ u64 type;
+ u64 limit1;
+ u64 limit2;
+ u64 cached_value;
+ unsigned long last_updated; /* in jiffies */
+ bool is_valid;
+ char const *acpi_name;
+};
+
+struct atk_acpi_buffer_u64 {
+ union acpi_object buf;
+ u64 value;
+};
+
+static int atk_add(struct acpi_device *device);
+static int atk_remove(struct acpi_device *device, int type);
+static void atk_print_sensor(struct atk_data *data, union acpi_object *obj);
+static int atk_read_value(struct atk_sensor_data *sensor, u64 *value);
+static void atk_free_sensors(struct atk_data *data);
+
+static struct acpi_driver atk_driver = {
+ .name = ATK_HID,
+ .class = "hwmon",
+ .ids = atk_ids,
+ .ops = {
+ .add = atk_add,
+ .remove = atk_remove,
+ },
+};
+
+#define input_to_atk_sensor(attr) \
+ container_of(attr, struct atk_sensor_data, input_attr)
+
+#define label_to_atk_sensor(attr) \
+ container_of(attr, struct atk_sensor_data, label_attr)
+
+#define limit1_to_atk_sensor(attr) \
+ container_of(attr, struct atk_sensor_data, limit1_attr)
+
+#define limit2_to_atk_sensor(attr) \
+ container_of(attr, struct atk_sensor_data, limit2_attr)
+
+static ssize_t atk_input_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct atk_sensor_data *s = input_to_atk_sensor(attr);
+ u64 value;
+ int err;
+
+ err = atk_read_value(s, &value);
+ if (err)
+ return err;
+
+ if (s->type == HWMON_TYPE_TEMP)
+ /* ACPI returns decidegree */
+ value *= 100;
+
+ return sprintf(buf, "%llu\n", value);
+}
+
+static ssize_t atk_label_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct atk_sensor_data *s = label_to_atk_sensor(attr);
+
+ return sprintf(buf, "%s\n", s->acpi_name);
+}
+
+static ssize_t atk_limit1_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct atk_sensor_data *s = limit1_to_atk_sensor(attr);
+ u64 value = s->limit1;
+
+ if (s->type == HWMON_TYPE_TEMP)
+ value *= 100;
+
+ return sprintf(buf, "%lld\n", value);
+}
+
+static ssize_t atk_limit2_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct atk_sensor_data *s = limit2_to_atk_sensor(attr);
+ u64 value = s->limit2;
+
+ if (s->type == HWMON_TYPE_TEMP)
+ value *= 100;
+
+ return sprintf(buf, "%lld\n", value);
+}
+
+static ssize_t atk_name_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ return sprintf(buf, "atk0110\n");
+}
+static struct device_attribute atk_name_attr =
+ __ATTR(name, 0444, atk_name_show, NULL);
+
+static void atk_init_attribute(struct device_attribute *attr, char *name,
+ sysfs_show_func show)
+{
+ attr->attr.name = name;
+ attr->attr.mode = 0444;
+ attr->show = show;
+ attr->store = NULL;
+}
+
+
+static union acpi_object *atk_get_pack_member(struct atk_data *data,
+ union acpi_object *pack,
+ enum atk_pack_member m)
+{
+ bool old_if = data->old_interface;
+ int offset;
+
+ switch (m) {
+ case HWMON_PACK_FLAGS:
+ offset = old_if ? _HWMON_OLD_PACK_FLAGS : _HWMON_NEW_PACK_FLAGS;
+ break;
+ case HWMON_PACK_NAME:
+ offset = old_if ? _HWMON_OLD_PACK_NAME : _HWMON_NEW_PACK_NAME;
+ break;
+ case HWMON_PACK_LIMIT1:
+ offset = old_if ? _HWMON_OLD_PACK_LIMIT1 :
+ _HWMON_NEW_PACK_LIMIT1;
+ break;
+ case HWMON_PACK_LIMIT2:
+ offset = old_if ? _HWMON_OLD_PACK_LIMIT2 :
+ _HWMON_NEW_PACK_LIMIT2;
+ break;
+ case HWMON_PACK_ENABLE:
+ offset = old_if ? _HWMON_OLD_PACK_ENABLE :
+ _HWMON_NEW_PACK_ENABLE;
+ break;
+ default:
+ return NULL;
+ }
+
+ return &pack->package.elements[offset];
+}
+
+
+/* New package format is:
+ * - flag (int)
+ * class - used for de-muxing the request to the correct GITn
+ * type (volt, temp, fan)
+ * sensor id |
+ * sensor id - used for de-muxing the request _inside_ the GITn
+ * - name (str)
+ * - unknown (int)
+ * - unknown (int)
+ * - limit1 (int)
+ * - limit2 (int)
+ * - enable (int)
+ *
+ * The old package has the same format but it's missing the two unknown fields.
+ */
+static int validate_hwmon_pack(struct atk_data *data, union acpi_object *obj)
+{
+ struct device *dev = &data->acpi_dev->dev;
+ union acpi_object *tmp;
+ bool old_if = data->old_interface;
+ int const expected_size = old_if ? _HWMON_OLD_PACK_SIZE :
+ _HWMON_NEW_PACK_SIZE;
+
+ if (obj->type != ACPI_TYPE_PACKAGE) {
+ dev_warn(dev, "Invalid type: %d\n", obj->type);
+ return -EINVAL;
+ }
+
+ if (obj->package.count != expected_size) {
+ dev_warn(dev, "Invalid package size: %d, expected: %d\n",
+ obj->package.count, expected_size);
+ return -EINVAL;
+ }
+
+ tmp = atk_get_pack_member(data, obj, HWMON_PACK_FLAGS);
+ if (tmp->type != ACPI_TYPE_INTEGER) {
+ dev_warn(dev, "Invalid type (flag): %d\n", tmp->type);
+ return -EINVAL;
+ }
+
+ tmp = atk_get_pack_member(data, obj, HWMON_PACK_NAME);
+ if (tmp->type != ACPI_TYPE_STRING) {
+ dev_warn(dev, "Invalid type (name): %d\n", tmp->type);
+ return -EINVAL;
+ }
+
+ /* Don't check... we don't know what they're useful for anyway */
+#if 0
+ tmp = &obj->package.elements[HWMON_PACK_UNK1];
+ if (tmp->type != ACPI_TYPE_INTEGER) {
+ dev_warn(dev, "Invalid type (unk1): %d\n", tmp->type);
+ return -EINVAL;
+ }
+
+ tmp = &obj->package.elements[HWMON_PACK_UNK2];
+ if (tmp->type != ACPI_TYPE_INTEGER) {
+ dev_warn(dev, "Invalid type (unk2): %d\n", tmp->type);
+ return -EINVAL;
+ }
+#endif
+
+ tmp = atk_get_pack_member(data, obj, HWMON_PACK_LIMIT1);
+ if (tmp->type != ACPI_TYPE_INTEGER) {
+ dev_warn(dev, "Invalid type (limit1): %d\n", tmp->type);
+ return -EINVAL;
+ }
+
+ tmp = atk_get_pack_member(data, obj, HWMON_PACK_LIMIT2);
+ if (tmp->type != ACPI_TYPE_INTEGER) {
+ dev_warn(dev, "Invalid type (limit2): %d\n", tmp->type);
+ return -EINVAL;
+ }
+
+ tmp = atk_get_pack_member(data, obj, HWMON_PACK_ENABLE);
+ if (tmp->type != ACPI_TYPE_INTEGER) {
+ dev_warn(dev, "Invalid type (enable): %d\n", tmp->type);
+ return -EINVAL;
+ }
+
+ atk_print_sensor(data, obj);
+
+ return 0;
+}
+
+static char const *atk_sensor_type(union acpi_object *flags)
+{
+ u64 type = flags->integer.value & ATK_TYPE_MASK;
+ char const *what;
+
+ switch (type) {
+ case HWMON_TYPE_VOLT:
+ what = "voltage";
+ break;
+ case HWMON_TYPE_TEMP:
+ what = "temperature";
+ break;
+ case HWMON_TYPE_FAN:
+ what = "fan";
+ break;
+ default:
+ what = "unknown";
+ break;
+ }
+
+ return what;
+}
+
+static void atk_print_sensor(struct atk_data *data, union acpi_object *obj)
+{
+#ifdef DEBUG
+ struct device *dev = &data->acpi_dev->dev;
+ union acpi_object *flags;
+ union acpi_object *name;
+ union acpi_object *limit1;
+ union acpi_object *limit2;
+ union acpi_object *enable;
+ char const *what;
+
+ flags = atk_get_pack_member(data, obj, HWMON_PACK_FLAGS);
+ name = atk_get_pack_member(data, obj, HWMON_PACK_NAME);
+ limit1 = atk_get_pack_member(data, obj, HWMON_PACK_LIMIT1);
+ limit2 = atk_get_pack_member(data, obj, HWMON_PACK_LIMIT2);
+ enable = atk_get_pack_member(data, obj, HWMON_PACK_ENABLE);
+
+ what = atk_sensor_type(flags);
+
+ dev_dbg(dev, "%s: %#llx %s [%llu-%llu] %s\n", what,
+ flags->integer.value,
+ name->string.pointer,
+ limit1->integer.value, limit2->integer.value,
+ enable->integer.value ? "enabled" : "disabled");
+#endif
+}
+
+static int atk_read_value_old(struct atk_sensor_data *sensor, u64 *value)
+{
+ struct atk_data *data = sensor->data;
+ struct device *dev = &data->acpi_dev->dev;
+ struct acpi_object_list params;
+ union acpi_object id;
+ acpi_status status;
+ acpi_handle method;
+
+ switch (sensor->type) {
+ case HWMON_TYPE_VOLT:
+ method = data->rvlt_handle;
+ break;
+ case HWMON_TYPE_TEMP:
+ method = data->rtmp_handle;
+ break;
+ case HWMON_TYPE_FAN:
+ method = data->rfan_handle;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ id.type = ACPI_TYPE_INTEGER;
+ id.integer.value = sensor->id;
+
+ params.count = 1;
+ params.pointer = &id;
+
+ status = acpi_evaluate_integer(method, NULL, &params, value);
+ if (status != AE_OK) {
+ dev_warn(dev, "%s: ACPI exception: %s\n", __func__,
+ acpi_format_exception(status));
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int atk_read_value_new(struct atk_sensor_data *sensor, u64 *value)
+{
+ struct atk_data *data = sensor->data;
+ struct device *dev = &data->acpi_dev->dev;
+ struct acpi_object_list params;
+ struct acpi_buffer ret;
+ union acpi_object id;
+ struct atk_acpi_buffer_u64 tmp;
+ acpi_status status;
+
+ id.type = ACPI_TYPE_INTEGER;
+ id.integer.value = sensor->id;
+
+ params.count = 1;
+ params.pointer = &id;
+
+ tmp.buf.type = ACPI_TYPE_BUFFER;
+ tmp.buf.buffer.pointer = (u8 *)&tmp.value;
+ tmp.buf.buffer.length = sizeof(u64);
+ ret.length = sizeof(tmp);
+ ret.pointer = &tmp;
+
+ status = acpi_evaluate_object_typed(data->read_handle, NULL, &params,
+ &ret, ACPI_TYPE_BUFFER);
+ if (status != AE_OK) {
+ dev_warn(dev, "%s: ACPI exception: %s\n", __func__,
+ acpi_format_exception(status));
+ return -EIO;
+ }
+
+ /* Return buffer format:
+ * [0-3] "value" is valid flag
+ * [4-7] value
+ */
+ if (!(tmp.value & 0xffffffff)) {
+ /* The reading is not valid, possible causes:
+ * - sensor failure
+ * - enumeration was FUBAR (and we didn't notice)
+ */
+ dev_info(dev, "Failure: %#llx\n", tmp.value);
+ return -EIO;
+ }
+
+ *value = (tmp.value & 0xffffffff00000000ULL) >> 32;
+
+ return 0;
+}
+
+static int atk_read_value(struct atk_sensor_data *sensor, u64 *value)
+{
+ int err;
+
+ if (!sensor->is_valid ||
+ time_after(jiffies, sensor->last_updated + CACHE_TIME)) {
+ if (sensor->data->old_interface)
+ err = atk_read_value_old(sensor, value);
+ else
+ err = atk_read_value_new(sensor, value);
+
+ sensor->is_valid = true;
+ sensor->last_updated = jiffies;
+ sensor->cached_value = *value;
+ } else {
+ *value = sensor->cached_value;
+ err = 0;
+ }
+
+ return err;
+}
+
+static int atk_add_sensor(struct atk_data *data, union acpi_object *obj)
+{
+ struct device *dev = &data->acpi_dev->dev;
+ union acpi_object *flags;
+ union acpi_object *name;
+ union acpi_object *limit1;
+ union acpi_object *limit2;
+ union acpi_object *enable;
+ struct atk_sensor_data *sensor;
+ char const *base_name;
+ char const *limit1_name;
+ char const *limit2_name;
+ u64 type;
+ int err;
+ int *num;
+ int start;
+
+ if (obj->type != ACPI_TYPE_PACKAGE) {
+ /* wft is this? */
+ dev_warn(dev, "Unknown type for ACPI object: (%d)\n",
+ obj->type);
+ return -EINVAL;
+ }
+
+ err = validate_hwmon_pack(data, obj);
+ if (err)
+ return err;
+
+ /* Ok, we have a valid hwmon package */
+ type = atk_get_pack_member(data, obj, HWMON_PACK_FLAGS)->integer.value
+ & ATK_TYPE_MASK;
+
+ switch (type) {
+ case HWMON_TYPE_VOLT:
+ base_name = "in";
+ limit1_name = "min";
+ limit2_name = "max";
+ num = &data->voltage_count;
+ start = 0;
+ break;
+ case HWMON_TYPE_TEMP:
+ base_name = "temp";
+ limit1_name = "max";
+ limit2_name = "crit";
+ num = &data->temperature_count;
+ start = 1;
+ break;
+ case HWMON_TYPE_FAN:
+ base_name = "fan";
+ limit1_name = "min";
+ limit2_name = "max";
+ num = &data->fan_count;
+ start = 1;
+ break;
+ default:
+ dev_warn(dev, "Unknown sensor type: %#llx\n", type);
+ return -EINVAL;
+ }
+
+ enable = atk_get_pack_member(data, obj, HWMON_PACK_ENABLE);
+ if (!enable->integer.value)
+ /* sensor is disabled */
+ return 0;
+
+ flags = atk_get_pack_member(data, obj, HWMON_PACK_FLAGS);
+ name = atk_get_pack_member(data, obj, HWMON_PACK_NAME);
+ limit1 = atk_get_pack_member(data, obj, HWMON_PACK_LIMIT1);
+ limit2 = atk_get_pack_member(data, obj, HWMON_PACK_LIMIT2);
+
+ sensor = kzalloc(sizeof(*sensor), GFP_KERNEL);
+ if (!sensor)
+ return -ENOMEM;
+
+ sensor->acpi_name = kstrdup(name->string.pointer, GFP_KERNEL);
+ if (!sensor->acpi_name) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ INIT_LIST_HEAD(&sensor->list);
+ sensor->type = type;
+ sensor->data = data;
+ sensor->id = flags->integer.value;
+ sensor->limit1 = limit1->integer.value;
+ sensor->limit2 = limit2->integer.value;
+
+ snprintf(sensor->input_attr_name, ATTR_NAME_SIZE,
+ "%s%d_input", base_name, start + *num);
+ atk_init_attribute(&sensor->input_attr,
+ sensor->input_attr_name,
+ atk_input_show);
+
+ snprintf(sensor->label_attr_name, ATTR_NAME_SIZE,
+ "%s%d_label", base_name, start + *num);
+ atk_init_attribute(&sensor->label_attr,
+ sensor->label_attr_name,
+ atk_label_show);
+
+ snprintf(sensor->limit1_attr_name, ATTR_NAME_SIZE,
+ "%s%d_%s", base_name, start + *num, limit1_name);
+ atk_init_attribute(&sensor->limit1_attr,
+ sensor->limit1_attr_name,
+ atk_limit1_show);
+
+ snprintf(sensor->limit2_attr_name, ATTR_NAME_SIZE,
+ "%s%d_%s", base_name, start + *num, limit2_name);
+ atk_init_attribute(&sensor->limit2_attr,
+ sensor->limit2_attr_name,
+ atk_limit2_show);
+
+ list_add(&sensor->list, &data->sensor_list);
+ (*num)++;
+
+ return 1;
+out:
+ kfree(sensor->acpi_name);
+ kfree(sensor);
+ return err;
+}
+
+static int atk_enumerate_old_hwmon(struct atk_data *data)
+{
+ struct device *dev = &data->acpi_dev->dev;
+ struct acpi_buffer buf;
+ union acpi_object *pack;
+ acpi_status status;
+ int i, ret;
+ int count = 0;
+
+ /* Voltages */
+ buf.length = ACPI_ALLOCATE_BUFFER;
+ status = acpi_evaluate_object_typed(data->atk_handle,
+ METHOD_OLD_ENUM_VLT, NULL, &buf, ACPI_TYPE_PACKAGE);
+ if (status != AE_OK) {
+ dev_warn(dev, METHOD_OLD_ENUM_VLT ": ACPI exception: %s\n",
+ acpi_format_exception(status));
+
+ return -ENODEV;
+ }
+
+ pack = buf.pointer;
+ for (i = 1; i < pack->package.count; i++) {
+ union acpi_object *obj = &pack->package.elements[i];
+
+ ret = atk_add_sensor(data, obj);
+ if (ret > 0)
+ count++;
+ }
+ ACPI_FREE(buf.pointer);
+
+ /* Temperatures */
+ buf.length = ACPI_ALLOCATE_BUFFER;
+ status = acpi_evaluate_object_typed(data->atk_handle,
+ METHOD_OLD_ENUM_TMP, NULL, &buf, ACPI_TYPE_PACKAGE);
+ if (status != AE_OK) {
+ dev_warn(dev, METHOD_OLD_ENUM_TMP ": ACPI exception: %s\n",
+ acpi_format_exception(status));
+
+ ret = -ENODEV;
+ goto cleanup;
+ }
+
+ pack = buf.pointer;
+ for (i = 1; i < pack->package.count; i++) {
+ union acpi_object *obj = &pack->package.elements[i];
+
+ ret = atk_add_sensor(data, obj);
+ if (ret > 0)
+ count++;
+ }
+ ACPI_FREE(buf.pointer);
+
+ /* Fans */
+ buf.length = ACPI_ALLOCATE_BUFFER;
+ status = acpi_evaluate_object_typed(data->atk_handle,
+ METHOD_OLD_ENUM_FAN, NULL, &buf, ACPI_TYPE_PACKAGE);
+ if (status != AE_OK) {
+ dev_warn(dev, METHOD_OLD_ENUM_FAN ": ACPI exception: %s\n",
+ acpi_format_exception(status));
+
+ ret = -ENODEV;
+ goto cleanup;
+ }
+
+ pack = buf.pointer;
+ for (i = 1; i < pack->package.count; i++) {
+ union acpi_object *obj = &pack->package.elements[i];
+
+ ret = atk_add_sensor(data, obj);
+ if (ret > 0)
+ count++;
+ }
+ ACPI_FREE(buf.pointer);
+
+ return count;
+cleanup:
+ atk_free_sensors(data);
+ return ret;
+}
+
+static int atk_enumerate_new_hwmon(struct atk_data *data)
+{
+ struct device *dev = &data->acpi_dev->dev;
+ struct acpi_buffer buf;
+ acpi_status ret;
+ struct acpi_object_list params;
+ union acpi_object id;
+ union acpi_object *pack;
+ int err;
+ int i;
+
+ dev_dbg(dev, "Enumerating hwmon sensors\n");
+
+ id.type = ACPI_TYPE_INTEGER;
+ id.integer.value = ATK_MUX_HWMON;
+ params.count = 1;
+ params.pointer = &id;
+
+ buf.length = ACPI_ALLOCATE_BUFFER;
+ ret = acpi_evaluate_object_typed(data->enumerate_handle, NULL, &params,
+ &buf, ACPI_TYPE_PACKAGE);
+ if (ret != AE_OK) {
+ dev_warn(dev, METHOD_ENUMERATE ": ACPI exception: %s\n",
+ acpi_format_exception(ret));
+ return -ENODEV;
+ }
+
+ /* Result must be a package */
+ pack = buf.pointer;
+
+ if (pack->package.count < 1) {
+ dev_dbg(dev, "%s: hwmon package is too small: %d\n", __func__,
+ pack->package.count);
+ err = -EINVAL;
+ goto out;
+ }
+
+ for (i = 0; i < pack->package.count; i++) {
+ union acpi_object *obj = &pack->package.elements[i];
+
+ atk_add_sensor(data, obj);
+ }
+
+ err = data->voltage_count + data->temperature_count + data->fan_count;
+
+out:
+ ACPI_FREE(buf.pointer);
+ return err;
+}
+
+static int atk_create_files(struct atk_data *data)
+{
+ struct atk_sensor_data *s;
+ int err;
+
+ list_for_each_entry(s, &data->sensor_list, list) {
+ err = device_create_file(data->hwmon_dev, &s->input_attr);
+ if (err)
+ return err;
+ err = device_create_file(data->hwmon_dev, &s->label_attr);
+ if (err)
+ return err;
+ err = device_create_file(data->hwmon_dev, &s->limit1_attr);
+ if (err)
+ return err;
+ err = device_create_file(data->hwmon_dev, &s->limit2_attr);
+ if (err)
+ return err;
+ }
+
+ err = device_create_file(data->hwmon_dev, &atk_name_attr);
+
+ return err;
+}
+
+static void atk_remove_files(struct atk_data *data)
+{
+ struct atk_sensor_data *s;
+
+ list_for_each_entry(s, &data->sensor_list, list) {
+ device_remove_file(data->hwmon_dev, &s->input_attr);
+ device_remove_file(data->hwmon_dev, &s->label_attr);
+ device_remove_file(data->hwmon_dev, &s->limit1_attr);
+ device_remove_file(data->hwmon_dev, &s->limit2_attr);
+ }
+ device_remove_file(data->hwmon_dev, &atk_name_attr);
+}
+
+static void atk_free_sensors(struct atk_data *data)
+{
+ struct list_head *head = &data->sensor_list;
+ struct atk_sensor_data *s, *tmp;
+
+ list_for_each_entry_safe(s, tmp, head, list) {
+ kfree(s->acpi_name);
+ kfree(s);
+ }
+}
+
+static int atk_register_hwmon(struct atk_data *data)
+{
+ struct device *dev = &data->acpi_dev->dev;
+ int err;
+
+ dev_dbg(dev, "registering hwmon device\n");
+ data->hwmon_dev = hwmon_device_register(dev);
+ if (IS_ERR(data->hwmon_dev))
+ return PTR_ERR(data->hwmon_dev);
+
+ dev_dbg(dev, "populating sysfs directory\n");
+ err = atk_create_files(data);
+ if (err)
+ goto remove;
+
+ return 0;
+remove:
+ /* Cleanup the registered files */
+ atk_remove_files(data);
+ hwmon_device_unregister(data->hwmon_dev);
+ return err;
+}
+
+static int atk_check_old_if(struct atk_data *data)
+{
+ struct device *dev = &data->acpi_dev->dev;
+ acpi_handle ret;
+ acpi_status status;
+
+ /* RTMP: read temperature */
+ status = acpi_get_handle(data->atk_handle, METHOD_OLD_READ_TMP, &ret);
+ if (status != AE_OK) {
+ dev_dbg(dev, "method " METHOD_OLD_READ_TMP " not found: %s\n",
+ acpi_format_exception(status));
+ return -ENODEV;
+ }
+ data->rtmp_handle = ret;
+
+ /* RVLT: read voltage */
+ status = acpi_get_handle(data->atk_handle, METHOD_OLD_READ_VLT, &ret);
+ if (status != AE_OK) {
+ dev_dbg(dev, "method " METHOD_OLD_READ_VLT " not found: %s\n",
+ acpi_format_exception(status));
+ return -ENODEV;
+ }
+ data->rvlt_handle = ret;
+
+ /* RFAN: read fan status */
+ status = acpi_get_handle(data->atk_handle, METHOD_OLD_READ_FAN, &ret);
+ if (status != AE_OK) {
+ dev_dbg(dev, "method " METHOD_OLD_READ_FAN " not found: %s\n",
+ acpi_format_exception(status));
+ return -ENODEV;
+ }
+ data->rfan_handle = ret;
+
+ return 0;
+}
+
+static int atk_check_new_if(struct atk_data *data)
+{
+ struct device *dev = &data->acpi_dev->dev;
+ acpi_handle ret;
+ acpi_status status;
+
+ /* Enumeration */
+ status = acpi_get_handle(data->atk_handle, METHOD_ENUMERATE, &ret);
+ if (status != AE_OK) {
+ dev_dbg(dev, "method " METHOD_ENUMERATE " not found: %s\n",
+ acpi_format_exception(status));
+ return -ENODEV;
+ }
+ data->enumerate_handle = ret;
+
+ /* De-multiplexer (read) */
+ status = acpi_get_handle(data->atk_handle, METHOD_READ, &ret);
+ if (status != AE_OK) {
+ dev_dbg(dev, "method " METHOD_READ " not found: %s\n",
+ acpi_format_exception(status));
+ return -ENODEV;
+ }
+ data->read_handle = ret;
+
+ return 0;
+}
+
+static int atk_add(struct acpi_device *device)
+{
+ acpi_status ret;
+ int err;
+ struct acpi_buffer buf;
+ union acpi_object *obj;
+ struct atk_data *data;
+
+ dev_dbg(&device->dev, "adding...\n");
+
+ data = kzalloc(sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ data->acpi_dev = device;
+ data->atk_handle = device->handle;
+ INIT_LIST_HEAD(&data->sensor_list);
+
+ buf.length = ACPI_ALLOCATE_BUFFER;
+ ret = acpi_evaluate_object_typed(data->atk_handle, BOARD_ID, NULL,
+ &buf, ACPI_TYPE_PACKAGE);
+ if (ret != AE_OK) {
+ dev_dbg(&device->dev, "atk: method MBIF not found\n");
+ err = -ENODEV;
+ goto out;
+ }
+
+ obj = buf.pointer;
+ if (obj->package.count >= 2 &&
+ obj->package.elements[1].type == ACPI_TYPE_STRING) {
+ dev_dbg(&device->dev, "board ID = %s\n",
+ obj->package.elements[1].string.pointer);
+ }
+ ACPI_FREE(buf.pointer);
+
+ /* Check for hwmon methods: first check "old" style methods; note that
+ * both may be present: in this case we stick to the old interface;
+ * analysis of multiple DSDTs indicates that when both interfaces
+ * are present the new one (GGRP/GITM) is not functional.
+ */
+ err = atk_check_old_if(data);
+ if (!err) {
+ dev_dbg(&device->dev, "Using old hwmon interface\n");
+ data->old_interface = true;
+ } else {
+ err = atk_check_new_if(data);
+ if (err)
+ goto out;
+
+ dev_dbg(&device->dev, "Using new hwmon interface\n");
+ data->old_interface = false;
+ }
+
+ if (data->old_interface)
+ err = atk_enumerate_old_hwmon(data);
+ else
+ err = atk_enumerate_new_hwmon(data);
+ if (err < 0)
+ goto out;
+ if (err == 0) {
+ dev_info(&device->dev,
+ "No usable sensor detected, bailing out\n");
+ err = -ENODEV;
+ goto out;
+ }
+
+ err = atk_register_hwmon(data);
+ if (err)
+ goto cleanup;
+
+ device->driver_data = data;
+ return 0;
+cleanup:
+ atk_free_sensors(data);
+out:
+ kfree(data);
+ return err;
+}
+
+static int atk_remove(struct acpi_device *device, int type)
+{
+ struct atk_data *data = device->driver_data;
+ dev_dbg(&device->dev, "removing...\n");
+
+ device->driver_data = NULL;
+
+ atk_remove_files(data);
+ atk_free_sensors(data);
+ hwmon_device_unregister(data->hwmon_dev);
+
+ kfree(data);
+
+ return 0;
+}
+
+static int __init atk0110_init(void)
+{
+ int ret;
+
+ ret = acpi_bus_register_driver(&atk_driver);
+ if (ret)
+ pr_info("atk: acpi_bus_register_driver failed: %d\n", ret);
+
+ return ret;
+}
+
+static void __exit atk0110_exit(void)
+{
+ acpi_bus_unregister_driver(&atk_driver);
+}
+
+module_init(atk0110_init);
+module_exit(atk0110_exit);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/hwmon/ds1621.c b/drivers/hwmon/ds1621.c
index 7415381601c3..53f88f511816 100644
--- a/drivers/hwmon/ds1621.c
+++ b/drivers/hwmon/ds1621.c
@@ -81,71 +81,84 @@ struct ds1621_data {
u8 conf; /* Register encoding, combined */
};
-static int ds1621_probe(struct i2c_client *client,
- const struct i2c_device_id *id);
-static int ds1621_detect(struct i2c_client *client, int kind,
- struct i2c_board_info *info);
-static void ds1621_init_client(struct i2c_client *client);
-static int ds1621_remove(struct i2c_client *client);
-static struct ds1621_data *ds1621_update_client(struct device *dev);
-
-static const struct i2c_device_id ds1621_id[] = {
- { "ds1621", ds1621 },
- { "ds1625", ds1621 },
- { }
-};
-MODULE_DEVICE_TABLE(i2c, ds1621_id);
-
-/* This is the driver that will be inserted */
-static struct i2c_driver ds1621_driver = {
- .class = I2C_CLASS_HWMON,
- .driver = {
- .name = "ds1621",
- },
- .probe = ds1621_probe,
- .remove = ds1621_remove,
- .id_table = ds1621_id,
- .detect = ds1621_detect,
- .address_data = &addr_data,
-};
-
-/* All registers are word-sized, except for the configuration register.
+/* Temperature registers are word-sized.
DS1621 uses a high-byte first convention, which is exactly opposite to
the SMBus standard. */
-static int ds1621_read_value(struct i2c_client *client, u8 reg)
+static int ds1621_read_temp(struct i2c_client *client, u8 reg)
{
- if (reg == DS1621_REG_CONF)
- return i2c_smbus_read_byte_data(client, reg);
- else
- return swab16(i2c_smbus_read_word_data(client, reg));
+ int ret;
+
+ ret = i2c_smbus_read_word_data(client, reg);
+ if (ret < 0)
+ return ret;
+ return swab16(ret);
}
-static int ds1621_write_value(struct i2c_client *client, u8 reg, u16 value)
+static int ds1621_write_temp(struct i2c_client *client, u8 reg, u16 value)
{
- if (reg == DS1621_REG_CONF)
- return i2c_smbus_write_byte_data(client, reg, value);
- else
- return i2c_smbus_write_word_data(client, reg, swab16(value));
+ return i2c_smbus_write_word_data(client, reg, swab16(value));
}
static void ds1621_init_client(struct i2c_client *client)
{
- int reg = ds1621_read_value(client, DS1621_REG_CONF);
+ u8 conf, new_conf;
+
+ new_conf = conf = i2c_smbus_read_byte_data(client, DS1621_REG_CONF);
/* switch to continuous conversion mode */
- reg &= ~ DS1621_REG_CONFIG_1SHOT;
+ new_conf &= ~DS1621_REG_CONFIG_1SHOT;
/* setup output polarity */
if (polarity == 0)
- reg &= ~DS1621_REG_CONFIG_POLARITY;
+ new_conf &= ~DS1621_REG_CONFIG_POLARITY;
else if (polarity == 1)
- reg |= DS1621_REG_CONFIG_POLARITY;
+ new_conf |= DS1621_REG_CONFIG_POLARITY;
- ds1621_write_value(client, DS1621_REG_CONF, reg);
+ if (conf != new_conf)
+ i2c_smbus_write_byte_data(client, DS1621_REG_CONF, new_conf);
/* start conversion */
i2c_smbus_write_byte(client, DS1621_COM_START);
}
+static struct ds1621_data *ds1621_update_client(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct ds1621_data *data = i2c_get_clientdata(client);
+ u8 new_conf;
+
+ mutex_lock(&data->update_lock);
+
+ if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
+ || !data->valid) {
+ int i;
+
+ dev_dbg(&client->dev, "Starting ds1621 update\n");
+
+ data->conf = i2c_smbus_read_byte_data(client, DS1621_REG_CONF);
+
+ for (i = 0; i < ARRAY_SIZE(data->temp); i++)
+ data->temp[i] = ds1621_read_temp(client,
+ DS1621_REG_TEMP[i]);
+
+ /* reset alarms if necessary */
+ new_conf = data->conf;
+ if (data->temp[0] > data->temp[1]) /* input > min */
+ new_conf &= ~DS1621_ALARM_TEMP_LOW;
+ if (data->temp[0] < data->temp[2]) /* input < max */
+ new_conf &= ~DS1621_ALARM_TEMP_HIGH;
+ if (data->conf != new_conf)
+ i2c_smbus_write_byte_data(client, DS1621_REG_CONF,
+ new_conf);
+
+ data->last_updated = jiffies;
+ data->valid = 1;
+ }
+
+ mutex_unlock(&data->update_lock);
+
+ return data;
+}
+
static ssize_t show_temp(struct device *dev, struct device_attribute *da,
char *buf)
{
@@ -160,13 +173,13 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da,
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
struct i2c_client *client = to_i2c_client(dev);
- struct ds1621_data *data = ds1621_update_client(dev);
+ struct ds1621_data *data = i2c_get_clientdata(client);
u16 val = LM75_TEMP_TO_REG(simple_strtol(buf, NULL, 10));
mutex_lock(&data->update_lock);
data->temp[attr->index] = val;
- ds1621_write_value(client, DS1621_REG_TEMP[attr->index],
- data->temp[attr->index]);
+ ds1621_write_temp(client, DS1621_REG_TEMP[attr->index],
+ data->temp[attr->index]);
mutex_unlock(&data->update_lock);
return count;
}
@@ -228,13 +241,14 @@ static int ds1621_detect(struct i2c_client *client, int kind,
/* The NVB bit should be low if no EEPROM write has been
requested during the latest 10ms, which is highly
improbable in our case. */
- conf = ds1621_read_value(client, DS1621_REG_CONF);
- if (conf & DS1621_REG_CONFIG_NVB)
+ conf = i2c_smbus_read_byte_data(client, DS1621_REG_CONF);
+ if (conf < 0 || conf & DS1621_REG_CONFIG_NVB)
return -ENODEV;
/* The 7 lowest bits of a temperature should always be 0. */
for (i = 0; i < ARRAY_SIZE(DS1621_REG_TEMP); i++) {
- temp = ds1621_read_value(client, DS1621_REG_TEMP[i]);
- if (temp & 0x007f)
+ temp = i2c_smbus_read_word_data(client,
+ DS1621_REG_TEMP[i]);
+ if (temp < 0 || (temp & 0x7f00))
return -ENODEV;
}
}
@@ -294,45 +308,25 @@ static int ds1621_remove(struct i2c_client *client)
return 0;
}
+static const struct i2c_device_id ds1621_id[] = {
+ { "ds1621", ds1621 },
+ { "ds1625", ds1621 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, ds1621_id);
-static struct ds1621_data *ds1621_update_client(struct device *dev)
-{
- struct i2c_client *client = to_i2c_client(dev);
- struct ds1621_data *data = i2c_get_clientdata(client);
- u8 new_conf;
-
- mutex_lock(&data->update_lock);
-
- if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
- || !data->valid) {
- int i;
-
- dev_dbg(&client->dev, "Starting ds1621 update\n");
-
- data->conf = ds1621_read_value(client, DS1621_REG_CONF);
-
- for (i = 0; i < ARRAY_SIZE(data->temp); i++)
- data->temp[i] = ds1621_read_value(client,
- DS1621_REG_TEMP[i]);
-
- /* reset alarms if necessary */
- new_conf = data->conf;
- if (data->temp[0] > data->temp[1]) /* input > min */
- new_conf &= ~DS1621_ALARM_TEMP_LOW;
- if (data->temp[0] < data->temp[2]) /* input < max */
- new_conf &= ~DS1621_ALARM_TEMP_HIGH;
- if (data->conf != new_conf)
- ds1621_write_value(client, DS1621_REG_CONF,
- new_conf);
-
- data->last_updated = jiffies;
- data->valid = 1;
- }
-
- mutex_unlock(&data->update_lock);
-
- return data;
-}
+/* This is the driver that will be inserted */
+static struct i2c_driver ds1621_driver = {
+ .class = I2C_CLASS_HWMON,
+ .driver = {
+ .name = "ds1621",
+ },
+ .probe = ds1621_probe,
+ .remove = ds1621_remove,
+ .id_table = ds1621_id,
+ .detect = ds1621_detect,
+ .address_data = &addr_data,
+};
static int __init ds1621_init(void)
{
diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c
index 18a1ba888165..e2107e533ede 100644
--- a/drivers/hwmon/f75375s.c
+++ b/drivers/hwmon/f75375s.c
@@ -1,7 +1,7 @@
/*
* f75375s.c - driver for the Fintek F75375/SP and F75373
* hardware monitoring features
- * Copyright (C) 2006-2007 Riku Voipio <riku.voipio@movial.fi>
+ * Copyright (C) 2006-2007 Riku Voipio
*
* Datasheets available at:
*
@@ -721,7 +721,7 @@ static void __exit sensors_f75375_exit(void)
i2c_del_driver(&f75375_driver);
}
-MODULE_AUTHOR("Riku Voipio <riku.voipio@movial.fi>");
+MODULE_AUTHOR("Riku Voipio");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("F75373/F75375 hardware monitoring driver");
diff --git a/drivers/hwmon/fschmd.c b/drivers/hwmon/fschmd.c
index d07f4ef75092..ea955edde87e 100644
--- a/drivers/hwmon/fschmd.c
+++ b/drivers/hwmon/fschmd.c
@@ -1,6 +1,6 @@
/* fschmd.c
*
- * Copyright (C) 2007,2008 Hans de Goede <hdegoede@redhat.com>
+ * Copyright (C) 2007 - 2009 Hans de Goede <hdegoede@redhat.com>
*
* 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
@@ -19,7 +19,7 @@
/*
* Merged Fujitsu Siemens hwmon driver, supporting the Poseidon, Hermes,
- * Scylla, Heracles and Heimdall chips
+ * Scylla, Heracles, Heimdall, Hades and Syleus chips
*
* Based on the original 2.4 fscscy, 2.6 fscpos, 2.6 fscher and 2.6
* (candidate) fschmd drivers:
@@ -56,7 +56,7 @@ static int nowayout = WATCHDOG_NOWAYOUT;
module_param(nowayout, int, 0);
MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
-I2C_CLIENT_INSMOD_5(fscpos, fscher, fscscy, fschrc, fschmd);
+I2C_CLIENT_INSMOD_7(fscpos, fscher, fscscy, fschrc, fschmd, fschds, fscsyl);
/*
* The FSCHMD registers and other defines
@@ -75,9 +75,12 @@ I2C_CLIENT_INSMOD_5(fscpos, fscher, fscscy, fschrc, fschmd);
#define FSCHMD_CONTROL_ALERT_LED 0x01
/* watchdog */
-#define FSCHMD_REG_WDOG_PRESET 0x28
-#define FSCHMD_REG_WDOG_STATE 0x23
-#define FSCHMD_REG_WDOG_CONTROL 0x21
+static const u8 FSCHMD_REG_WDOG_CONTROL[7] =
+ { 0x21, 0x21, 0x21, 0x21, 0x21, 0x28, 0x28 };
+static const u8 FSCHMD_REG_WDOG_STATE[7] =
+ { 0x23, 0x23, 0x23, 0x23, 0x23, 0x29, 0x29 };
+static const u8 FSCHMD_REG_WDOG_PRESET[7] =
+ { 0x28, 0x28, 0x28, 0x28, 0x28, 0x2a, 0x2a };
#define FSCHMD_WDOG_CONTROL_TRIGGER 0x10
#define FSCHMD_WDOG_CONTROL_STARTED 0x10 /* the same as trigger */
@@ -87,70 +90,95 @@ I2C_CLIENT_INSMOD_5(fscpos, fscher, fscscy, fschrc, fschmd);
#define FSCHMD_WDOG_STATE_CARDRESET 0x02
/* voltages, weird order is to keep the same order as the old drivers */
-static const u8 FSCHMD_REG_VOLT[3] = { 0x45, 0x42, 0x48 };
+static const u8 FSCHMD_REG_VOLT[7][6] = {
+ { 0x45, 0x42, 0x48 }, /* pos */
+ { 0x45, 0x42, 0x48 }, /* her */
+ { 0x45, 0x42, 0x48 }, /* scy */
+ { 0x45, 0x42, 0x48 }, /* hrc */
+ { 0x45, 0x42, 0x48 }, /* hmd */
+ { 0x21, 0x20, 0x22 }, /* hds */
+ { 0x21, 0x20, 0x22, 0x23, 0x24, 0x25 }, /* syl */
+};
+
+static const int FSCHMD_NO_VOLT_SENSORS[7] = { 3, 3, 3, 3, 3, 3, 6 };
/* minimum pwm at which the fan is driven (pwm can by increased depending on
the temp. Notice that for the scy some fans share there minimum speed.
Also notice that with the scy the sensor order is different than with the
other chips, this order was in the 2.4 driver and kept for consistency. */
-static const u8 FSCHMD_REG_FAN_MIN[5][6] = {
+static const u8 FSCHMD_REG_FAN_MIN[7][7] = {
{ 0x55, 0x65 }, /* pos */
{ 0x55, 0x65, 0xb5 }, /* her */
{ 0x65, 0x65, 0x55, 0xa5, 0x55, 0xa5 }, /* scy */
{ 0x55, 0x65, 0xa5, 0xb5 }, /* hrc */
{ 0x55, 0x65, 0xa5, 0xb5, 0xc5 }, /* hmd */
+ { 0x55, 0x65, 0xa5, 0xb5, 0xc5 }, /* hds */
+ { 0x54, 0x64, 0x74, 0x84, 0x94, 0xa4, 0xb4 }, /* syl */
};
/* actual fan speed */
-static const u8 FSCHMD_REG_FAN_ACT[5][6] = {
+static const u8 FSCHMD_REG_FAN_ACT[7][7] = {
{ 0x0e, 0x6b, 0xab }, /* pos */
{ 0x0e, 0x6b, 0xbb }, /* her */
{ 0x6b, 0x6c, 0x0e, 0xab, 0x5c, 0xbb }, /* scy */
{ 0x0e, 0x6b, 0xab, 0xbb }, /* hrc */
{ 0x5b, 0x6b, 0xab, 0xbb, 0xcb }, /* hmd */
+ { 0x5b, 0x6b, 0xab, 0xbb, 0xcb }, /* hds */
+ { 0x57, 0x67, 0x77, 0x87, 0x97, 0xa7, 0xb7 }, /* syl */
};
/* fan status registers */
-static const u8 FSCHMD_REG_FAN_STATE[5][6] = {
+static const u8 FSCHMD_REG_FAN_STATE[7][7] = {
{ 0x0d, 0x62, 0xa2 }, /* pos */
{ 0x0d, 0x62, 0xb2 }, /* her */
{ 0x62, 0x61, 0x0d, 0xa2, 0x52, 0xb2 }, /* scy */
{ 0x0d, 0x62, 0xa2, 0xb2 }, /* hrc */
{ 0x52, 0x62, 0xa2, 0xb2, 0xc2 }, /* hmd */
+ { 0x52, 0x62, 0xa2, 0xb2, 0xc2 }, /* hds */
+ { 0x50, 0x60, 0x70, 0x80, 0x90, 0xa0, 0xb0 }, /* syl */
};
/* fan ripple / divider registers */
-static const u8 FSCHMD_REG_FAN_RIPPLE[5][6] = {
+static const u8 FSCHMD_REG_FAN_RIPPLE[7][7] = {
{ 0x0f, 0x6f, 0xaf }, /* pos */
{ 0x0f, 0x6f, 0xbf }, /* her */
{ 0x6f, 0x6f, 0x0f, 0xaf, 0x0f, 0xbf }, /* scy */
{ 0x0f, 0x6f, 0xaf, 0xbf }, /* hrc */
{ 0x5f, 0x6f, 0xaf, 0xbf, 0xcf }, /* hmd */
+ { 0x5f, 0x6f, 0xaf, 0xbf, 0xcf }, /* hds */
+ { 0x56, 0x66, 0x76, 0x86, 0x96, 0xa6, 0xb6 }, /* syl */
};
-static const int FSCHMD_NO_FAN_SENSORS[5] = { 3, 3, 6, 4, 5 };
+static const int FSCHMD_NO_FAN_SENSORS[7] = { 3, 3, 6, 4, 5, 5, 7 };
/* Fan status register bitmasks */
#define FSCHMD_FAN_ALARM 0x04 /* called fault by FSC! */
-#define FSCHMD_FAN_NOT_PRESENT 0x08 /* not documented */
+#define FSCHMD_FAN_NOT_PRESENT 0x08
+#define FSCHMD_FAN_DISABLED 0x80
/* actual temperature registers */
-static const u8 FSCHMD_REG_TEMP_ACT[5][5] = {
+static const u8 FSCHMD_REG_TEMP_ACT[7][11] = {
{ 0x64, 0x32, 0x35 }, /* pos */
{ 0x64, 0x32, 0x35 }, /* her */
{ 0x64, 0xD0, 0x32, 0x35 }, /* scy */
{ 0x64, 0x32, 0x35 }, /* hrc */
{ 0x70, 0x80, 0x90, 0xd0, 0xe0 }, /* hmd */
+ { 0x70, 0x80, 0x90, 0xd0, 0xe0 }, /* hds */
+ { 0x58, 0x68, 0x78, 0x88, 0x98, 0xa8, /* syl */
+ 0xb8, 0xc8, 0xd8, 0xe8, 0xf8 },
};
/* temperature state registers */
-static const u8 FSCHMD_REG_TEMP_STATE[5][5] = {
+static const u8 FSCHMD_REG_TEMP_STATE[7][11] = {
{ 0x71, 0x81, 0x91 }, /* pos */
{ 0x71, 0x81, 0x91 }, /* her */
{ 0x71, 0xd1, 0x81, 0x91 }, /* scy */
{ 0x71, 0x81, 0x91 }, /* hrc */
{ 0x71, 0x81, 0x91, 0xd1, 0xe1 }, /* hmd */
+ { 0x71, 0x81, 0x91, 0xd1, 0xe1 }, /* hds */
+ { 0x59, 0x69, 0x79, 0x89, 0x99, 0xa9, /* syl */
+ 0xb9, 0xc9, 0xd9, 0xe9, 0xf9 },
};
/* temperature high limit registers, FSC does not document these. Proven to be
@@ -158,24 +186,31 @@ static const u8 FSCHMD_REG_TEMP_STATE[5][5] = {
in the fscscy 2.4 driver. FSC has confirmed that the fschmd has registers
at these addresses, but doesn't want to confirm they are the same as with
the fscher?? */
-static const u8 FSCHMD_REG_TEMP_LIMIT[5][5] = {
+static const u8 FSCHMD_REG_TEMP_LIMIT[7][11] = {
{ 0, 0, 0 }, /* pos */
{ 0x76, 0x86, 0x96 }, /* her */
{ 0x76, 0xd6, 0x86, 0x96 }, /* scy */
{ 0x76, 0x86, 0x96 }, /* hrc */
{ 0x76, 0x86, 0x96, 0xd6, 0xe6 }, /* hmd */
+ { 0x76, 0x86, 0x96, 0xd6, 0xe6 }, /* hds */
+ { 0x5a, 0x6a, 0x7a, 0x8a, 0x9a, 0xaa, /* syl */
+ 0xba, 0xca, 0xda, 0xea, 0xfa },
};
/* These were found through experimenting with an fscher, currently they are
not used, but we keep them around for future reference.
+ On the fscsyl AUTOP1 lives at 0x#c (so 0x5c for fan1, 0x6c for fan2, etc),
+ AUTOP2 lives at 0x#e, and 0x#1 is a bitmask defining which temps influence
+ the fan speed.
static const u8 FSCHER_REG_TEMP_AUTOP1[] = { 0x73, 0x83, 0x93 };
static const u8 FSCHER_REG_TEMP_AUTOP2[] = { 0x75, 0x85, 0x95 }; */
-static const int FSCHMD_NO_TEMP_SENSORS[5] = { 3, 3, 4, 3, 5 };
+static const int FSCHMD_NO_TEMP_SENSORS[7] = { 3, 3, 4, 3, 5, 5, 11 };
/* temp status register bitmasks */
#define FSCHMD_TEMP_WORKING 0x01
#define FSCHMD_TEMP_ALERT 0x02
+#define FSCHMD_TEMP_DISABLED 0x80
/* there only really is an alarm if the sensor is working and alert == 1 */
#define FSCHMD_TEMP_ALARM_MASK \
(FSCHMD_TEMP_WORKING | FSCHMD_TEMP_ALERT)
@@ -201,6 +236,8 @@ static const struct i2c_device_id fschmd_id[] = {
{ "fscscy", fscscy },
{ "fschrc", fschrc },
{ "fschmd", fschmd },
+ { "fschds", fschds },
+ { "fscsyl", fscsyl },
{ }
};
MODULE_DEVICE_TABLE(i2c, fschmd_id);
@@ -242,14 +279,14 @@ struct fschmd_data {
u8 watchdog_control; /* watchdog control register */
u8 watchdog_state; /* watchdog status register */
u8 watchdog_preset; /* watchdog counter preset on trigger val */
- u8 volt[3]; /* 12, 5, battery voltage */
- u8 temp_act[5]; /* temperature */
- u8 temp_status[5]; /* status of sensor */
- u8 temp_max[5]; /* high temp limit, notice: undocumented! */
- u8 fan_act[6]; /* fans revolutions per second */
- u8 fan_status[6]; /* fan status */
- u8 fan_min[6]; /* fan min value for rps */
- u8 fan_ripple[6]; /* divider for rps */
+ u8 volt[6]; /* voltage */
+ u8 temp_act[11]; /* temperature */
+ u8 temp_status[11]; /* status of sensor */
+ u8 temp_max[11]; /* high temp limit, notice: undocumented! */
+ u8 fan_act[7]; /* fans revolutions per second */
+ u8 fan_status[7]; /* fan status */
+ u8 fan_min[7]; /* fan min value for rps */
+ u8 fan_ripple[7]; /* divider for rps */
};
/* Global variables to hold information read from special DMI tables, which are
@@ -257,8 +294,8 @@ struct fschmd_data {
protect these with a lock as they are only modified from our attach function
which always gets called with the i2c-core lock held and never accessed
before the attach function is done with them. */
-static int dmi_mult[3] = { 490, 200, 100 };
-static int dmi_offset[3] = { 0, 0, 0 };
+static int dmi_mult[6] = { 490, 200, 100, 100, 200, 100 };
+static int dmi_offset[6] = { 0, 0, 0, 0, 0, 0 };
static int dmi_vref = -1;
/* Somewhat ugly :( global data pointer list with all fschmd devices, so that
@@ -450,10 +487,11 @@ static ssize_t show_pwm_auto_point1_pwm(struct device *dev,
struct device_attribute *devattr, char *buf)
{
int index = to_sensor_dev_attr(devattr)->index;
- int val = fschmd_update_device(dev)->fan_min[index];
+ struct fschmd_data *data = fschmd_update_device(dev);
+ int val = data->fan_min[index];
- /* 0 = allow turning off, 1-255 = 50-100% */
- if (val)
+ /* 0 = allow turning off (except on the syl), 1-255 = 50-100% */
+ if (val || data->kind == fscsyl - 1)
val = val / 2 + 128;
return sprintf(buf, "%d\n", val);
@@ -466,8 +504,8 @@ static ssize_t store_pwm_auto_point1_pwm(struct device *dev,
struct fschmd_data *data = dev_get_drvdata(dev);
unsigned long v = simple_strtoul(buf, NULL, 10);
- /* register: 0 = allow turning off, 1-255 = 50-100% */
- if (v) {
+ /* reg: 0 = allow turning off (except on the syl), 1-255 = 50-100% */
+ if (v || data->kind == fscsyl - 1) {
v = SENSORS_LIMIT(v, 128, 255);
v = (v - 128) * 2 + 1;
}
@@ -522,11 +560,15 @@ static ssize_t store_alert_led(struct device *dev,
return count;
}
+static DEVICE_ATTR(alert_led, 0644, show_alert_led, store_alert_led);
+
static struct sensor_device_attribute fschmd_attr[] = {
SENSOR_ATTR(in0_input, 0444, show_in_value, NULL, 0),
SENSOR_ATTR(in1_input, 0444, show_in_value, NULL, 1),
SENSOR_ATTR(in2_input, 0444, show_in_value, NULL, 2),
- SENSOR_ATTR(alert_led, 0644, show_alert_led, store_alert_led, 0),
+ SENSOR_ATTR(in3_input, 0444, show_in_value, NULL, 3),
+ SENSOR_ATTR(in4_input, 0444, show_in_value, NULL, 4),
+ SENSOR_ATTR(in5_input, 0444, show_in_value, NULL, 5),
};
static struct sensor_device_attribute fschmd_temp_attr[] = {
@@ -550,6 +592,30 @@ static struct sensor_device_attribute fschmd_temp_attr[] = {
SENSOR_ATTR(temp5_max, 0644, show_temp_max, store_temp_max, 4),
SENSOR_ATTR(temp5_fault, 0444, show_temp_fault, NULL, 4),
SENSOR_ATTR(temp5_alarm, 0444, show_temp_alarm, NULL, 4),
+ SENSOR_ATTR(temp6_input, 0444, show_temp_value, NULL, 5),
+ SENSOR_ATTR(temp6_max, 0644, show_temp_max, store_temp_max, 5),
+ SENSOR_ATTR(temp6_fault, 0444, show_temp_fault, NULL, 5),
+ SENSOR_ATTR(temp6_alarm, 0444, show_temp_alarm, NULL, 5),
+ SENSOR_ATTR(temp7_input, 0444, show_temp_value, NULL, 6),
+ SENSOR_ATTR(temp7_max, 0644, show_temp_max, store_temp_max, 6),
+ SENSOR_ATTR(temp7_fault, 0444, show_temp_fault, NULL, 6),
+ SENSOR_ATTR(temp7_alarm, 0444, show_temp_alarm, NULL, 6),
+ SENSOR_ATTR(temp8_input, 0444, show_temp_value, NULL, 7),
+ SENSOR_ATTR(temp8_max, 0644, show_temp_max, store_temp_max, 7),
+ SENSOR_ATTR(temp8_fault, 0444, show_temp_fault, NULL, 7),
+ SENSOR_ATTR(temp8_alarm, 0444, show_temp_alarm, NULL, 7),
+ SENSOR_ATTR(temp9_input, 0444, show_temp_value, NULL, 8),
+ SENSOR_ATTR(temp9_max, 0644, show_temp_max, store_temp_max, 8),
+ SENSOR_ATTR(temp9_fault, 0444, show_temp_fault, NULL, 8),
+ SENSOR_ATTR(temp9_alarm, 0444, show_temp_alarm, NULL, 8),
+ SENSOR_ATTR(temp10_input, 0444, show_temp_value, NULL, 9),
+ SENSOR_ATTR(temp10_max, 0644, show_temp_max, store_temp_max, 9),
+ SENSOR_ATTR(temp10_fault, 0444, show_temp_fault, NULL, 9),
+ SENSOR_ATTR(temp10_alarm, 0444, show_temp_alarm, NULL, 9),
+ SENSOR_ATTR(temp11_input, 0444, show_temp_value, NULL, 10),
+ SENSOR_ATTR(temp11_max, 0644, show_temp_max, store_temp_max, 10),
+ SENSOR_ATTR(temp11_fault, 0444, show_temp_fault, NULL, 10),
+ SENSOR_ATTR(temp11_alarm, 0444, show_temp_alarm, NULL, 10),
};
static struct sensor_device_attribute fschmd_fan_attr[] = {
@@ -589,6 +655,12 @@ static struct sensor_device_attribute fschmd_fan_attr[] = {
SENSOR_ATTR(fan6_fault, 0444, show_fan_fault, NULL, 5),
SENSOR_ATTR(pwm6_auto_point1_pwm, 0644, show_pwm_auto_point1_pwm,
store_pwm_auto_point1_pwm, 5),
+ SENSOR_ATTR(fan7_input, 0444, show_fan_value, NULL, 6),
+ SENSOR_ATTR(fan7_div, 0644, show_fan_div, store_fan_div, 6),
+ SENSOR_ATTR(fan7_alarm, 0444, show_fan_alarm, NULL, 6),
+ SENSOR_ATTR(fan7_fault, 0444, show_fan_fault, NULL, 6),
+ SENSOR_ATTR(pwm7_auto_point1_pwm, 0644, show_pwm_auto_point1_pwm,
+ store_pwm_auto_point1_pwm, 6),
};
@@ -624,10 +696,11 @@ static int watchdog_set_timeout(struct fschmd_data *data, int timeout)
data->watchdog_preset = DIV_ROUND_UP(timeout, resolution);
/* Write new timeout value */
- i2c_smbus_write_byte_data(data->client, FSCHMD_REG_WDOG_PRESET,
- data->watchdog_preset);
+ i2c_smbus_write_byte_data(data->client,
+ FSCHMD_REG_WDOG_PRESET[data->kind], data->watchdog_preset);
/* Write new control register, do not trigger! */
- i2c_smbus_write_byte_data(data->client, FSCHMD_REG_WDOG_CONTROL,
+ i2c_smbus_write_byte_data(data->client,
+ FSCHMD_REG_WDOG_CONTROL[data->kind],
data->watchdog_control & ~FSCHMD_WDOG_CONTROL_TRIGGER);
ret = data->watchdog_preset * resolution;
@@ -662,8 +735,9 @@ static int watchdog_trigger(struct fschmd_data *data)
}
data->watchdog_control |= FSCHMD_WDOG_CONTROL_TRIGGER;
- i2c_smbus_write_byte_data(data->client, FSCHMD_REG_WDOG_CONTROL,
- data->watchdog_control);
+ i2c_smbus_write_byte_data(data->client,
+ FSCHMD_REG_WDOG_CONTROL[data->kind],
+ data->watchdog_control);
leave:
mutex_unlock(&data->watchdog_lock);
return ret;
@@ -682,7 +756,8 @@ static int watchdog_stop(struct fschmd_data *data)
data->watchdog_control &= ~FSCHMD_WDOG_CONTROL_STARTED;
/* Don't store the stop flag in our watchdog control register copy, as
its a write only bit (read always returns 0) */
- i2c_smbus_write_byte_data(data->client, FSCHMD_REG_WDOG_CONTROL,
+ i2c_smbus_write_byte_data(data->client,
+ FSCHMD_REG_WDOG_CONTROL[data->kind],
data->watchdog_control | FSCHMD_WDOG_CONTROL_STOP);
leave:
mutex_unlock(&data->watchdog_lock);
@@ -856,7 +931,7 @@ static struct file_operations watchdog_fops = {
/* DMI decode routine to read voltage scaling factors from special DMI tables,
which are available on FSC machines with an fscher or later chip. */
-static void fschmd_dmi_decode(const struct dmi_header *header)
+static void fschmd_dmi_decode(const struct dmi_header *header, void *dummy)
{
int i, mult[3] = { 0 }, offset[3] = { 0 }, vref = 0, found = 0;
@@ -912,6 +987,15 @@ static void fschmd_dmi_decode(const struct dmi_header *header)
dmi_mult[i] = mult[i] * 10;
dmi_offset[i] = offset[i] * 10;
}
+ /* According to the docs there should be separate dmi entries
+ for the mult's and offsets of in3-5 of the syl, but on
+ my test machine these are not present */
+ dmi_mult[3] = dmi_mult[2];
+ dmi_mult[4] = dmi_mult[1];
+ dmi_mult[5] = dmi_mult[2];
+ dmi_offset[3] = dmi_offset[2];
+ dmi_offset[4] = dmi_offset[1];
+ dmi_offset[5] = dmi_offset[2];
dmi_vref = vref;
}
}
@@ -920,8 +1004,6 @@ static int fschmd_detect(struct i2c_client *client, int kind,
struct i2c_board_info *info)
{
struct i2c_adapter *adapter = client->adapter;
- const char * const client_names[5] = { "fscpos", "fscher", "fscscy",
- "fschrc", "fschmd" };
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
return -ENODEV;
@@ -948,11 +1030,15 @@ static int fschmd_detect(struct i2c_client *client, int kind,
kind = fschrc;
else if (!strcmp(id, "HMD"))
kind = fschmd;
+ else if (!strcmp(id, "HDS"))
+ kind = fschds;
+ else if (!strcmp(id, "SYL"))
+ kind = fscsyl;
else
return -ENODEV;
}
- strlcpy(info->type, client_names[kind - 1], I2C_NAME_SIZE);
+ strlcpy(info->type, fschmd_id[kind - 1].name, I2C_NAME_SIZE);
return 0;
}
@@ -961,8 +1047,8 @@ static int fschmd_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct fschmd_data *data;
- const char * const names[5] = { "Poseidon", "Hermes", "Scylla",
- "Heracles", "Heimdall" };
+ const char * const names[7] = { "Poseidon", "Hermes", "Scylla",
+ "Heracles", "Heimdall", "Hades", "Syleus" };
const int watchdog_minors[] = { WATCHDOG_MINOR, 212, 213, 214, 215 };
int i, err;
enum chips kind = id->driver_data;
@@ -991,7 +1077,7 @@ static int fschmd_probe(struct i2c_client *client,
/* Read the special DMI table for fscher and newer chips */
if ((kind == fscher || kind >= fschrc) && dmi_vref == -1) {
- dmi_walk(fschmd_dmi_decode);
+ dmi_walk(fschmd_dmi_decode, NULL);
if (dmi_vref == -1) {
dev_warn(&client->dev,
"Couldn't get voltage scaling factors from "
@@ -1000,21 +1086,25 @@ static int fschmd_probe(struct i2c_client *client,
}
}
+ /* i2c kind goes from 1-6, we want from 0-5 to address arrays */
+ data->kind = kind - 1;
+
/* Read in some never changing registers */
data->revision = i2c_smbus_read_byte_data(client, FSCHMD_REG_REVISION);
data->global_control = i2c_smbus_read_byte_data(client,
FSCHMD_REG_CONTROL);
data->watchdog_control = i2c_smbus_read_byte_data(client,
- FSCHMD_REG_WDOG_CONTROL);
+ FSCHMD_REG_WDOG_CONTROL[data->kind]);
data->watchdog_state = i2c_smbus_read_byte_data(client,
- FSCHMD_REG_WDOG_STATE);
+ FSCHMD_REG_WDOG_STATE[data->kind]);
data->watchdog_preset = i2c_smbus_read_byte_data(client,
- FSCHMD_REG_WDOG_PRESET);
+ FSCHMD_REG_WDOG_PRESET[data->kind]);
- /* i2c kind goes from 1-5, we want from 0-4 to address arrays */
- data->kind = kind - 1;
+ err = device_create_file(&client->dev, &dev_attr_alert_led);
+ if (err)
+ goto exit_detach;
- for (i = 0; i < ARRAY_SIZE(fschmd_attr); i++) {
+ for (i = 0; i < FSCHMD_NO_VOLT_SENSORS[data->kind]; i++) {
err = device_create_file(&client->dev,
&fschmd_attr[i].dev_attr);
if (err)
@@ -1027,6 +1117,16 @@ static int fschmd_probe(struct i2c_client *client,
show_temp_max)
continue;
+ if (kind == fscsyl) {
+ if (i % 4 == 0)
+ data->temp_status[i / 4] =
+ i2c_smbus_read_byte_data(client,
+ FSCHMD_REG_TEMP_STATE
+ [data->kind][i / 4]);
+ if (data->temp_status[i / 4] & FSCHMD_TEMP_DISABLED)
+ continue;
+ }
+
err = device_create_file(&client->dev,
&fschmd_temp_attr[i].dev_attr);
if (err)
@@ -1040,6 +1140,16 @@ static int fschmd_probe(struct i2c_client *client,
"pwm3_auto_point1_pwm"))
continue;
+ if (kind == fscsyl) {
+ if (i % 5 == 0)
+ data->fan_status[i / 5] =
+ i2c_smbus_read_byte_data(client,
+ FSCHMD_REG_FAN_STATE
+ [data->kind][i / 5]);
+ if (data->fan_status[i / 5] & FSCHMD_FAN_DISABLED)
+ continue;
+ }
+
err = device_create_file(&client->dev,
&fschmd_fan_attr[i].dev_attr);
if (err)
@@ -1126,7 +1236,8 @@ static int fschmd_remove(struct i2c_client *client)
if (data->hwmon_dev)
hwmon_device_unregister(data->hwmon_dev);
- for (i = 0; i < ARRAY_SIZE(fschmd_attr); i++)
+ device_remove_file(&client->dev, &dev_attr_alert_led);
+ for (i = 0; i < (FSCHMD_NO_VOLT_SENSORS[data->kind]); i++)
device_remove_file(&client->dev, &fschmd_attr[i].dev_attr);
for (i = 0; i < (FSCHMD_NO_TEMP_SENSORS[data->kind] * 4); i++)
device_remove_file(&client->dev,
@@ -1171,7 +1282,7 @@ static struct fschmd_data *fschmd_update_device(struct device *dev)
data->temp_act[i] < data->temp_max[i])
i2c_smbus_write_byte_data(client,
FSCHMD_REG_TEMP_STATE[data->kind][i],
- FSCHMD_TEMP_ALERT);
+ data->temp_status[i]);
}
for (i = 0; i < FSCHMD_NO_FAN_SENSORS[data->kind]; i++) {
@@ -1193,12 +1304,12 @@ static struct fschmd_data *fschmd_update_device(struct device *dev)
data->fan_act[i])
i2c_smbus_write_byte_data(client,
FSCHMD_REG_FAN_STATE[data->kind][i],
- FSCHMD_FAN_ALARM);
+ data->fan_status[i]);
}
- for (i = 0; i < 3; i++)
+ for (i = 0; i < FSCHMD_NO_VOLT_SENSORS[data->kind]; i++)
data->volt[i] = i2c_smbus_read_byte_data(client,
- FSCHMD_REG_VOLT[i]);
+ FSCHMD_REG_VOLT[data->kind][i]);
data->last_updated = jiffies;
data->valid = 1;
@@ -1220,8 +1331,8 @@ static void __exit fschmd_exit(void)
}
MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>");
-MODULE_DESCRIPTION("FSC Poseidon, Hermes, Scylla, Heracles and "
- "Heimdall driver");
+MODULE_DESCRIPTION("FSC Poseidon, Hermes, Scylla, Heracles, Heimdall, Hades "
+ "and Syleus driver");
MODULE_LICENSE("GPL");
module_init(fschmd_init);
diff --git a/drivers/hwmon/g760a.c b/drivers/hwmon/g760a.c
new file mode 100644
index 000000000000..19c01a49f6be
--- /dev/null
+++ b/drivers/hwmon/g760a.c
@@ -0,0 +1,272 @@
+/*
+ g760a - Driver for the Global Mixed-mode Technology Inc. G760A
+ fan speed PWM controller chip
+
+ Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
+
+ Complete datasheet is available at GMT's website:
+ http://www.gmt.com.tw/datasheet/g760a.pdf
+
+ 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.
+*/
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/err.h>
+#include <linux/mutex.h>
+#include <linux/sysfs.h>
+
+static const struct i2c_device_id g760a_id[] = {
+ { "g760a", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, g760a_id);
+
+enum g760a_regs {
+ G760A_REG_SET_CNT = 0x00,
+ G760A_REG_ACT_CNT = 0x01,
+ G760A_REG_FAN_STA = 0x02
+};
+
+#define G760A_REG_FAN_STA_RPM_OFF 0x1 /* +/-20% off */
+#define G760A_REG_FAN_STA_RPM_LOW 0x2 /* below 1920rpm */
+
+/* register data is read (and cached) at most once per second */
+#define G760A_UPDATE_INTERVAL (HZ)
+
+struct g760a_data {
+ struct i2c_client *client;
+ struct device *hwmon_dev;
+ struct mutex update_lock;
+
+ /* board specific parameters */
+ u32 clk; /* default 32kHz */
+ u16 fan_div; /* default P=2 */
+
+ /* g760a register cache */
+ unsigned int valid:1;
+ unsigned long last_updated; /* In jiffies */
+
+ u8 set_cnt; /* PWM (period) count number; 0xff stops fan */
+ u8 act_cnt; /* formula: cnt = (CLK * 30)/(rpm * P) */
+ u8 fan_sta; /* bit 0: set when actual fan speed more than 20%
+ * outside requested fan speed
+ * bit 1: set when fan speed below 1920 rpm */
+};
+
+#define G760A_DEFAULT_CLK 32768
+#define G760A_DEFAULT_FAN_DIV 2
+
+#define PWM_FROM_CNT(cnt) (0xff-(cnt))
+#define PWM_TO_CNT(pwm) (0xff-(pwm))
+
+unsigned int rpm_from_cnt(u8 val, u32 clk, u16 div)
+{
+ return ((val == 0x00) ? 0 : ((clk*30)/(val*div)));
+}
+
+/* new-style driver model */
+static int g760a_probe(struct i2c_client *client,
+ const struct i2c_device_id *id);
+static int g760a_remove(struct i2c_client *client);
+
+static struct i2c_driver g760a_driver = {
+ .driver = {
+ .name = "g760a",
+ },
+ .probe = g760a_probe,
+ .remove = g760a_remove,
+ .id_table = g760a_id,
+};
+
+/* read/write wrappers */
+static int g760a_read_value(struct i2c_client *client, enum g760a_regs reg)
+{
+ return i2c_smbus_read_byte_data(client, reg);
+}
+
+static int g760a_write_value(struct i2c_client *client, enum g760a_regs reg,
+ u16 value)
+{
+ return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+/****************************************************************************
+ * sysfs attributes
+ */
+
+static struct g760a_data *g760a_update_client(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct g760a_data *data = i2c_get_clientdata(client);
+
+ mutex_lock(&data->update_lock);
+
+ if (time_after(jiffies, data->last_updated + G760A_UPDATE_INTERVAL)
+ || !data->valid) {
+ dev_dbg(&client->dev, "Starting g760a update\n");
+
+ data->set_cnt = g760a_read_value(client, G760A_REG_SET_CNT);
+ data->act_cnt = g760a_read_value(client, G760A_REG_ACT_CNT);
+ data->fan_sta = g760a_read_value(client, G760A_REG_FAN_STA);
+
+ data->last_updated = jiffies;
+ data->valid = 1;
+ }
+
+ mutex_unlock(&data->update_lock);
+
+ return data;
+}
+
+static ssize_t show_fan(struct device *dev, struct device_attribute *da,
+ char *buf)
+{
+ struct g760a_data *data = g760a_update_client(dev);
+ unsigned int rpm = 0;
+
+ mutex_lock(&data->update_lock);
+ if (!(data->fan_sta & G760A_REG_FAN_STA_RPM_LOW))
+ rpm = rpm_from_cnt(data->act_cnt, data->clk, data->fan_div);
+ mutex_unlock(&data->update_lock);
+
+ return sprintf(buf, "%d\n", rpm);
+}
+
+static ssize_t show_fan_alarm(struct device *dev, struct device_attribute *da,
+ char *buf)
+{
+ struct g760a_data *data = g760a_update_client(dev);
+
+ int fan_alarm = (data->fan_sta & G760A_REG_FAN_STA_RPM_OFF) ? 1 : 0;
+
+ return sprintf(buf, "%d\n", fan_alarm);
+}
+
+static ssize_t get_pwm(struct device *dev, struct device_attribute *da,
+ char *buf)
+{
+ struct g760a_data *data = g760a_update_client(dev);
+
+ return sprintf(buf, "%d\n", PWM_FROM_CNT(data->set_cnt));
+}
+
+static ssize_t set_pwm(struct device *dev, struct device_attribute *da,
+ const char *buf, size_t count)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct g760a_data *data = g760a_update_client(dev);
+ unsigned long val;
+
+ if (strict_strtoul(buf, 10, &val))
+ return -EINVAL;
+
+ mutex_lock(&data->update_lock);
+ data->set_cnt = PWM_TO_CNT(SENSORS_LIMIT(val, 0, 255));
+ g760a_write_value(client, G760A_REG_SET_CNT, data->set_cnt);
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
+static DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, get_pwm, set_pwm);
+static DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL);
+static DEVICE_ATTR(fan1_alarm, S_IRUGO, show_fan_alarm, NULL);
+
+static struct attribute *g760a_attributes[] = {
+ &dev_attr_pwm1.attr,
+ &dev_attr_fan1_input.attr,
+ &dev_attr_fan1_alarm.attr,
+ NULL
+};
+
+static const struct attribute_group g760a_group = {
+ .attrs = g760a_attributes,
+};
+
+/****************************************************************************
+ * new-style driver model code
+ */
+
+static int g760a_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct g760a_data *data;
+ int err;
+
+ if (!i2c_check_functionality(client->adapter,
+ I2C_FUNC_SMBUS_BYTE_DATA))
+ return -EIO;
+
+ data = kzalloc(sizeof(struct g760a_data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ i2c_set_clientdata(client, data);
+
+ data->client = client;
+ mutex_init(&data->update_lock);
+
+ /* setup default configuration for now */
+ data->fan_div = G760A_DEFAULT_FAN_DIV;
+ data->clk = G760A_DEFAULT_CLK;
+
+ /* Register sysfs hooks */
+ err = sysfs_create_group(&client->dev.kobj, &g760a_group);
+ if (err)
+ goto error_sysfs_create_group;
+
+ data->hwmon_dev = hwmon_device_register(&client->dev);
+ if (IS_ERR(data->hwmon_dev)) {
+ err = PTR_ERR(data->hwmon_dev);
+ goto error_hwmon_device_register;
+ }
+
+ return 0;
+
+error_hwmon_device_register:
+ sysfs_remove_group(&client->dev.kobj, &g760a_group);
+error_sysfs_create_group:
+ kfree(data);
+ i2c_set_clientdata(client, NULL);
+
+ return err;
+}
+
+static int g760a_remove(struct i2c_client *client)
+{
+ struct g760a_data *data = i2c_get_clientdata(client);
+ hwmon_device_unregister(data->hwmon_dev);
+ sysfs_remove_group(&client->dev.kobj, &g760a_group);
+ kfree(data);
+ i2c_set_clientdata(client, NULL);
+
+ return 0;
+}
+
+/* module management */
+
+static int __init g760a_init(void)
+{
+ return i2c_add_driver(&g760a_driver);
+}
+
+static void __exit g760a_exit(void)
+{
+ i2c_del_driver(&g760a_driver);
+}
+
+MODULE_AUTHOR("Herbert Valerio Riedel <hvr@gnu.org>");
+MODULE_DESCRIPTION("GMT G760A driver");
+MODULE_LICENSE("GPL");
+
+module_init(g760a_init);
+module_exit(g760a_exit);
diff --git a/drivers/hwmon/hdaps.c b/drivers/hwmon/hdaps.c
index a4d92d246d52..d3612a1f1981 100644
--- a/drivers/hwmon/hdaps.c
+++ b/drivers/hwmon/hdaps.c
@@ -65,6 +65,10 @@
#define HDAPS_INPUT_FUZZ 4 /* input event threshold */
#define HDAPS_INPUT_FLAT 4
+#define HDAPS_X_AXIS (1 << 0)
+#define HDAPS_Y_AXIS (1 << 1)
+#define HDAPS_BOTH_AXES (HDAPS_X_AXIS | HDAPS_Y_AXIS)
+
static struct platform_device *pdev;
static struct input_polled_dev *hdaps_idev;
static unsigned int hdaps_invert;
@@ -182,11 +186,11 @@ static int __hdaps_read_pair(unsigned int port1, unsigned int port2,
km_activity = inb(HDAPS_PORT_KMACT);
__device_complete();
- /* if hdaps_invert is set, negate the two values */
- if (hdaps_invert) {
+ /* hdaps_invert is a bitvector to negate the axes */
+ if (hdaps_invert & HDAPS_X_AXIS)
*x = -*x;
+ if (hdaps_invert & HDAPS_Y_AXIS)
*y = -*y;
- }
return 0;
}
@@ -436,7 +440,8 @@ static ssize_t hdaps_invert_store(struct device *dev,
{
int invert;
- if (sscanf(buf, "%d", &invert) != 1 || (invert != 1 && invert != 0))
+ if (sscanf(buf, "%d", &invert) != 1 ||
+ invert < 0 || invert > HDAPS_BOTH_AXES)
return -EINVAL;
hdaps_invert = invert;
@@ -483,56 +488,52 @@ static int __init hdaps_dmi_match(const struct dmi_system_id *id)
/* hdaps_dmi_match_invert - found an inverted match. */
static int __init hdaps_dmi_match_invert(const struct dmi_system_id *id)
{
- hdaps_invert = 1;
- printk(KERN_INFO "hdaps: inverting axis readings.\n");
+ hdaps_invert = (unsigned long)id->driver_data;
+ printk(KERN_INFO "hdaps: inverting axis (%u) readings.\n",
+ hdaps_invert);
return hdaps_dmi_match(id);
}
-#define HDAPS_DMI_MATCH_NORMAL(vendor, model) { \
- .ident = vendor " " model, \
- .callback = hdaps_dmi_match, \
- .matches = { \
- DMI_MATCH(DMI_BOARD_VENDOR, vendor), \
- DMI_MATCH(DMI_PRODUCT_VERSION, model) \
- } \
-}
-
-#define HDAPS_DMI_MATCH_INVERT(vendor, model) { \
+#define HDAPS_DMI_MATCH_INVERT(vendor, model, axes) { \
.ident = vendor " " model, \
.callback = hdaps_dmi_match_invert, \
+ .driver_data = (void *)axes, \
.matches = { \
DMI_MATCH(DMI_BOARD_VENDOR, vendor), \
DMI_MATCH(DMI_PRODUCT_VERSION, model) \
} \
}
+#define HDAPS_DMI_MATCH_NORMAL(vendor, model) \
+ HDAPS_DMI_MATCH_INVERT(vendor, model, 0)
+
/* Note that HDAPS_DMI_MATCH_NORMAL("ThinkPad T42") would match
"ThinkPad T42p", so the order of the entries matters.
If your ThinkPad is not recognized, please update to latest
BIOS. This is especially the case for some R52 ThinkPads. */
static struct dmi_system_id __initdata hdaps_whitelist[] = {
- HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad R50p"),
+ HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad R50p", HDAPS_BOTH_AXES),
HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R50"),
HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R51"),
HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R52"),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad R61i"),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad R61"),
- HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T41p"),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad R61i", HDAPS_BOTH_AXES),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad R61", HDAPS_BOTH_AXES),
+ HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T41p", HDAPS_BOTH_AXES),
HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T41"),
- HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T42p"),
+ HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad T42p", HDAPS_BOTH_AXES),
HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T42"),
HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad T43"),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T60"),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T61p"),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T61"),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T60", HDAPS_BOTH_AXES),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T61p", HDAPS_BOTH_AXES),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad T61", HDAPS_BOTH_AXES),
HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad X40"),
- HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad X41"),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X60"),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X61s"),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X61"),
+ HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad X41", HDAPS_Y_AXIS),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X60", HDAPS_BOTH_AXES),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X61s", HDAPS_BOTH_AXES),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad X61", HDAPS_BOTH_AXES),
HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad Z60m"),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad Z61m"),
- HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad Z61p"),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad Z61m", HDAPS_BOTH_AXES),
+ HDAPS_DMI_MATCH_INVERT("LENOVO", "ThinkPad Z61p", HDAPS_BOTH_AXES),
{ .ident = NULL }
};
@@ -627,8 +628,9 @@ static void __exit hdaps_exit(void)
module_init(hdaps_init);
module_exit(hdaps_exit);
-module_param_named(invert, hdaps_invert, bool, 0);
-MODULE_PARM_DESC(invert, "invert data along each axis");
+module_param_named(invert, hdaps_invert, int, 0);
+MODULE_PARM_DESC(invert, "invert data along each axis. 1 invert x-axis, "
+ "2 invert y-axis, 3 invert both axes.");
MODULE_AUTHOR("Robert Love");
MODULE_DESCRIPTION("IBM Hard Drive Active Protection System (HDAPS) driver");
diff --git a/drivers/hwmon/hp_accel.c b/drivers/hwmon/hp_accel.c
index 29c83b5b9697..abca7e9f953b 100644
--- a/drivers/hwmon/hp_accel.c
+++ b/drivers/hwmon/hp_accel.c
@@ -34,7 +34,6 @@
#include <linux/wait.h>
#include <linux/poll.h>
#include <linux/freezer.h>
-#include <linux/version.h>
#include <linux/uaccess.h>
#include <linux/leds.h>
#include <acpi/acpi_drivers.h>
@@ -85,25 +84,31 @@ MODULE_DEVICE_TABLE(acpi, lis3lv02d_device_ids);
/**
* lis3lv02d_acpi_init - ACPI _INI method: initialize the device.
- * @handle: the handle of the device
+ * @lis3: pointer to the device struct
*
- * Returns AE_OK on success.
+ * Returns 0 on success.
*/
-acpi_status lis3lv02d_acpi_init(acpi_handle handle)
+int lis3lv02d_acpi_init(struct lis3lv02d *lis3)
{
- return acpi_evaluate_object(handle, METHOD_NAME__INI, NULL, NULL);
+ struct acpi_device *dev = lis3->bus_priv;
+ if (acpi_evaluate_object(dev->handle, METHOD_NAME__INI,
+ NULL, NULL) != AE_OK)
+ return -EINVAL;
+
+ return 0;
}
/**
* lis3lv02d_acpi_read - ACPI ALRD method: read a register
- * @handle: the handle of the device
+ * @lis3: pointer to the device struct
* @reg: the register to read
* @ret: result of the operation
*
- * Returns AE_OK on success.
+ * Returns 0 on success.
*/
-acpi_status lis3lv02d_acpi_read(acpi_handle handle, int reg, u8 *ret)
+int lis3lv02d_acpi_read(struct lis3lv02d *lis3, int reg, u8 *ret)
{
+ struct acpi_device *dev = lis3->bus_priv;
union acpi_object arg0 = { ACPI_TYPE_INTEGER };
struct acpi_object_list args = { 1, &arg0 };
unsigned long long lret;
@@ -111,21 +116,22 @@ acpi_status lis3lv02d_acpi_read(acpi_handle handle, int reg, u8 *ret)
arg0.integer.value = reg;
- status = acpi_evaluate_integer(handle, "ALRD", &args, &lret);
+ status = acpi_evaluate_integer(dev->handle, "ALRD", &args, &lret);
*ret = lret;
- return status;
+ return (status != AE_OK) ? -EINVAL : 0;
}
/**
* lis3lv02d_acpi_write - ACPI ALWR method: write to a register
- * @handle: the handle of the device
+ * @lis3: pointer to the device struct
* @reg: the register to write to
* @val: the value to write
*
- * Returns AE_OK on success.
+ * Returns 0 on success.
*/
-acpi_status lis3lv02d_acpi_write(acpi_handle handle, int reg, u8 val)
+int lis3lv02d_acpi_write(struct lis3lv02d *lis3, int reg, u8 val)
{
+ struct acpi_device *dev = lis3->bus_priv;
unsigned long long ret; /* Not used when writting */
union acpi_object in_obj[2];
struct acpi_object_list args = { 2, in_obj };
@@ -135,12 +141,15 @@ acpi_status lis3lv02d_acpi_write(acpi_handle handle, int reg, u8 val)
in_obj[1].type = ACPI_TYPE_INTEGER;
in_obj[1].integer.value = val;
- return acpi_evaluate_integer(handle, "ALWR", &args, &ret);
+ if (acpi_evaluate_integer(dev->handle, "ALWR", &args, &ret) != AE_OK)
+ return -EINVAL;
+
+ return 0;
}
static int lis3lv02d_dmi_matched(const struct dmi_system_id *dmi)
{
- adev.ac = *((struct axis_conversion *)dmi->driver_data);
+ lis3_dev.ac = *((struct axis_conversion *)dmi->driver_data);
printk(KERN_INFO DRIVER_NAME ": hardware type %s found.\n", dmi->ident);
return 1;
@@ -187,6 +196,7 @@ static struct dmi_system_id lis3lv02d_dmi_ids[] = {
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),
+ AXIS_DMI_MATCH("HP2140", "HP 2140", xy_swap_inverted),
AXIS_DMI_MATCH("NC653x", "HP Compaq 653", xy_rotated_left_usd),
AXIS_DMI_MATCH("NC673x", "HP Compaq 673", xy_rotated_left_usd),
AXIS_DMI_MATCH("NC651xx", "HP Compaq 651", xy_rotated_right),
@@ -201,6 +211,8 @@ static struct dmi_system_id lis3lv02d_dmi_ids[] = {
PRODUCT_NAME, "HP Pavilion dv5",
BOARD_NAME, "3600",
y_inverted),
+ AXIS_DMI_MATCH("DV7", "HP Pavilion dv7", x_inverted),
+ AXIS_DMI_MATCH("HP8710", "HP Compaq 8710", y_inverted),
{ NULL, }
/* Laptop models without axis info (yet):
* "NC6910" "HP Compaq 6910"
@@ -214,7 +226,7 @@ static struct dmi_system_id lis3lv02d_dmi_ids[] = {
static void hpled_set(struct delayed_led_classdev *led_cdev, enum led_brightness value)
{
- acpi_handle handle = adev.device->handle;
+ struct acpi_device *dev = lis3_dev.bus_priv;
unsigned long long ret; /* Not used when writing */
union acpi_object in_obj[1];
struct acpi_object_list args = { 1, in_obj };
@@ -222,7 +234,7 @@ static void hpled_set(struct delayed_led_classdev *led_cdev, enum led_brightness
in_obj[0].type = ACPI_TYPE_INTEGER;
in_obj[0].integer.value = !!value;
- acpi_evaluate_integer(handle, "ALED", &args, &ret);
+ acpi_evaluate_integer(dev->handle, "ALED", &args, &ret);
}
static struct delayed_led_classdev hpled_led = {
@@ -254,28 +266,11 @@ static void lis3lv02d_enum_resources(struct acpi_device *device)
acpi_status status;
status = acpi_walk_resources(device->handle, METHOD_NAME__CRS,
- lis3lv02d_get_resource, &adev.irq);
+ lis3lv02d_get_resource, &lis3_dev.irq);
if (ACPI_FAILURE(status))
printk(KERN_DEBUG DRIVER_NAME ": Error getting resources\n");
}
-static s16 lis3lv02d_read_16(acpi_handle handle, int reg)
-{
- u8 lo, hi;
-
- adev.read(handle, reg - 1, &lo);
- adev.read(handle, reg, &hi);
- /* In "12 bit right justified" mode, bit 6, bit 7, bit 8 = bit 5 */
- return (s16)((hi << 8) | lo);
-}
-
-static s16 lis3lv02d_read_8(acpi_handle handle, int reg)
-{
- s8 lo;
- adev.read(handle, reg, &lo);
- return lo;
-}
-
static int lis3lv02d_add(struct acpi_device *device)
{
int ret;
@@ -283,51 +278,35 @@ static int lis3lv02d_add(struct acpi_device *device)
if (!device)
return -EINVAL;
- adev.device = device;
- adev.init = lis3lv02d_acpi_init;
- adev.read = lis3lv02d_acpi_read;
- adev.write = lis3lv02d_acpi_write;
+ lis3_dev.bus_priv = device;
+ lis3_dev.init = lis3lv02d_acpi_init;
+ lis3_dev.read = lis3lv02d_acpi_read;
+ lis3_dev.write = lis3lv02d_acpi_write;
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, &adev.whoami);
- switch (adev.whoami) {
- case LIS_DOUBLE_ID:
- printk(KERN_INFO DRIVER_NAME ": 2-byte sensor found\n");
- adev.read_data = lis3lv02d_read_16;
- adev.mdps_max_val = 2048;
- break;
- case LIS_SINGLE_ID:
- printk(KERN_INFO DRIVER_NAME ": 1-byte sensor found\n");
- adev.read_data = lis3lv02d_read_8;
- adev.mdps_max_val = 128;
- break;
- default:
- printk(KERN_ERR DRIVER_NAME
- ": unknown sensor type 0x%X\n", adev.whoami);
- return -EINVAL;
- }
+ device->driver_data = &lis3_dev;
+
+ /* obtain IRQ number of our device from ACPI */
+ lis3lv02d_enum_resources(device);
/* 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;
+ lis3_dev.ac = lis3lv02d_axis_normal;
}
- INIT_WORK(&hpled_led.work, delayed_set_status_worker);
- ret = led_classdev_register(NULL, &hpled_led.led_classdev);
+ /* call the core layer do its init */
+ ret = lis3lv02d_init_device(&lis3_dev);
if (ret)
return ret;
- /* obtain IRQ number of our device from ACPI */
- lis3lv02d_enum_resources(adev.device);
-
- ret = lis3lv02d_init_device(&adev);
+ INIT_WORK(&hpled_led.work, delayed_set_status_worker);
+ ret = led_classdev_register(NULL, &hpled_led.led_classdev);
if (ret) {
+ lis3lv02d_joystick_disable();
+ lis3lv02d_poweroff(&lis3_dev);
flush_work(&hpled_led.work);
- led_classdev_unregister(&hpled_led.led_classdev);
return ret;
}
@@ -340,7 +319,7 @@ static int lis3lv02d_remove(struct acpi_device *device, int type)
return -EINVAL;
lis3lv02d_joystick_disable();
- lis3lv02d_poweroff(device->handle);
+ lis3lv02d_poweroff(&lis3_dev);
flush_work(&hpled_led.work);
led_classdev_unregister(&hpled_led.led_classdev);
@@ -353,19 +332,19 @@ static int lis3lv02d_remove(struct acpi_device *device, int type)
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);
+ lis3lv02d_poweroff(&lis3_dev);
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);
+ mutex_lock(&lis3_dev.lock);
+ if (lis3_dev.usage > 0)
+ lis3lv02d_poweron(&lis3_dev);
else
- lis3lv02d_poweroff(device->handle);
- mutex_unlock(&adev.lock);
+ lis3lv02d_poweroff(&lis3_dev);
+ mutex_unlock(&lis3_dev.lock);
return 0;
}
#else
diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c
index 8bb2158f0453..778eb7795983 100644
--- a/drivers/hwmon/lis3lv02d.c
+++ b/drivers/hwmon/lis3lv02d.c
@@ -36,7 +36,6 @@
#include <linux/freezer.h>
#include <linux/uaccess.h>
#include <linux/miscdevice.h>
-#include <acpi/acpi_drivers.h>
#include <asm/atomic.h>
#include "lis3lv02d.h"
@@ -53,13 +52,30 @@
* joystick.
*/
-struct acpi_lis3lv02d adev = {
- .misc_wait = __WAIT_QUEUE_HEAD_INITIALIZER(adev.misc_wait),
+struct lis3lv02d lis3_dev = {
+ .misc_wait = __WAIT_QUEUE_HEAD_INITIALIZER(lis3_dev.misc_wait),
};
-EXPORT_SYMBOL_GPL(adev);
+EXPORT_SYMBOL_GPL(lis3_dev);
-static int lis3lv02d_add_fs(struct acpi_device *device);
+static s16 lis3lv02d_read_8(struct lis3lv02d *lis3, int reg)
+{
+ s8 lo;
+ if (lis3->read(lis3, reg, &lo) < 0)
+ return 0;
+
+ return lo;
+}
+
+static s16 lis3lv02d_read_16(struct lis3lv02d *lis3, int reg)
+{
+ u8 lo, hi;
+
+ lis3->read(lis3, reg - 1, &lo);
+ lis3->read(lis3, reg, &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
@@ -78,36 +94,36 @@ static inline int lis3lv02d_get_axis(s8 axis, int hw_values[3])
/**
* 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
+ * @lis3: pointer to the device struct
+ * @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)
+static void lis3lv02d_get_xyz(struct lis3lv02d *lis3, int *x, int *y, int *z)
{
int position[3];
- position[0] = adev.read_data(handle, OUTX);
- position[1] = adev.read_data(handle, OUTY);
- position[2] = adev.read_data(handle, OUTZ);
+ position[0] = lis3_dev.read_data(lis3, OUTX);
+ position[1] = lis3_dev.read_data(lis3, OUTY);
+ position[2] = lis3_dev.read_data(lis3, OUTZ);
- *x = lis3lv02d_get_axis(adev.ac.x, position);
- *y = lis3lv02d_get_axis(adev.ac.y, position);
- *z = lis3lv02d_get_axis(adev.ac.z, position);
+ *x = lis3lv02d_get_axis(lis3_dev.ac.x, position);
+ *y = lis3lv02d_get_axis(lis3_dev.ac.y, position);
+ *z = lis3lv02d_get_axis(lis3_dev.ac.z, position);
}
-void lis3lv02d_poweroff(acpi_handle handle)
+void lis3lv02d_poweroff(struct lis3lv02d *lis3)
{
- adev.is_on = 0;
+ lis3_dev.is_on = 0;
}
EXPORT_SYMBOL_GPL(lis3lv02d_poweroff);
-void lis3lv02d_poweron(acpi_handle handle)
+void lis3lv02d_poweron(struct lis3lv02d *lis3)
{
- adev.is_on = 1;
- adev.init(handle);
+ lis3_dev.is_on = 1;
+ lis3_dev.init(lis3);
}
EXPORT_SYMBOL_GPL(lis3lv02d_poweron);
@@ -116,13 +132,13 @@ EXPORT_SYMBOL_GPL(lis3lv02d_poweron);
* 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)
+static void lis3lv02d_increase_use(struct lis3lv02d *dev)
{
mutex_lock(&dev->lock);
dev->usage++;
if (dev->usage == 1) {
if (!dev->is_on)
- lis3lv02d_poweron(dev->device->handle);
+ lis3lv02d_poweron(dev);
}
mutex_unlock(&dev->lock);
}
@@ -131,12 +147,12 @@ static void lis3lv02d_increase_use(struct acpi_lis3lv02d *dev)
* 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)
+static void lis3lv02d_decrease_use(struct lis3lv02d *dev)
{
mutex_lock(&dev->lock);
dev->usage--;
if (dev->usage == 0)
- lis3lv02d_poweroff(dev->device->handle);
+ lis3lv02d_poweroff(dev);
mutex_unlock(&dev->lock);
}
@@ -147,10 +163,10 @@ static irqreturn_t lis302dl_interrupt(int irq, void *dummy)
* the lid is closed. This leads to interrupts as soon as a little move
* is done.
*/
- atomic_inc(&adev.count);
+ atomic_inc(&lis3_dev.count);
- wake_up_interruptible(&adev.misc_wait);
- kill_fasync(&adev.async_queue, SIGIO, POLL_IN);
+ wake_up_interruptible(&lis3_dev.misc_wait);
+ kill_fasync(&lis3_dev.async_queue, SIGIO, POLL_IN);
return IRQ_HANDLED;
}
@@ -158,10 +174,10 @@ static int lis3lv02d_misc_open(struct inode *inode, struct file *file)
{
int ret;
- if (test_and_set_bit(0, &adev.misc_opened))
+ if (test_and_set_bit(0, &lis3_dev.misc_opened))
return -EBUSY; /* already open */
- atomic_set(&adev.count, 0);
+ atomic_set(&lis3_dev.count, 0);
/*
* The sensor can generate interrupts for free-fall and direction
@@ -174,25 +190,25 @@ static int lis3lv02d_misc_open(struct inode *inode, struct file *file)
* io-apic is not configurable (and generates a warning) but I keep it
* in case of support for other hardware.
*/
- ret = request_irq(adev.irq, lis302dl_interrupt, IRQF_TRIGGER_RISING,
- DRIVER_NAME, &adev);
+ ret = request_irq(lis3_dev.irq, lis302dl_interrupt, IRQF_TRIGGER_RISING,
+ DRIVER_NAME, &lis3_dev);
if (ret) {
- clear_bit(0, &adev.misc_opened);
- printk(KERN_ERR DRIVER_NAME ": IRQ%d allocation failed\n", adev.irq);
+ clear_bit(0, &lis3_dev.misc_opened);
+ printk(KERN_ERR DRIVER_NAME ": IRQ%d allocation failed\n", lis3_dev.irq);
return -EBUSY;
}
- lis3lv02d_increase_use(&adev);
- printk("lis3: registered interrupt %d\n", adev.irq);
+ lis3lv02d_increase_use(&lis3_dev);
+ printk("lis3: registered interrupt %d\n", lis3_dev.irq);
return 0;
}
static int lis3lv02d_misc_release(struct inode *inode, struct file *file)
{
- fasync_helper(-1, file, 0, &adev.async_queue);
- lis3lv02d_decrease_use(&adev);
- free_irq(adev.irq, &adev);
- clear_bit(0, &adev.misc_opened); /* release the device */
+ fasync_helper(-1, file, 0, &lis3_dev.async_queue);
+ lis3lv02d_decrease_use(&lis3_dev);
+ free_irq(lis3_dev.irq, &lis3_dev);
+ clear_bit(0, &lis3_dev.misc_opened); /* release the device */
return 0;
}
@@ -207,10 +223,10 @@ static ssize_t lis3lv02d_misc_read(struct file *file, char __user *buf,
if (count < 1)
return -EINVAL;
- add_wait_queue(&adev.misc_wait, &wait);
+ add_wait_queue(&lis3_dev.misc_wait, &wait);
while (true) {
set_current_state(TASK_INTERRUPTIBLE);
- data = atomic_xchg(&adev.count, 0);
+ data = atomic_xchg(&lis3_dev.count, 0);
if (data)
break;
@@ -240,22 +256,22 @@ static ssize_t lis3lv02d_misc_read(struct file *file, char __user *buf,
out:
__set_current_state(TASK_RUNNING);
- remove_wait_queue(&adev.misc_wait, &wait);
+ remove_wait_queue(&lis3_dev.misc_wait, &wait);
return retval;
}
static unsigned int lis3lv02d_misc_poll(struct file *file, poll_table *wait)
{
- poll_wait(file, &adev.misc_wait, wait);
- if (atomic_read(&adev.count))
+ poll_wait(file, &lis3_dev.misc_wait, wait);
+ if (atomic_read(&lis3_dev.count))
return POLLIN | POLLRDNORM;
return 0;
}
static int lis3lv02d_misc_fasync(int fd, struct file *file, int on)
{
- return fasync_helper(fd, file, on, &adev.async_queue);
+ return fasync_helper(fd, file, on, &lis3_dev.async_queue);
}
static const struct file_operations lis3lv02d_misc_fops = {
@@ -283,12 +299,12 @@ 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);
+ lis3lv02d_get_xyz(&lis3_dev, &x, &y, &z);
+ input_report_abs(lis3_dev.idev, ABS_X, x - lis3_dev.xcalib);
+ input_report_abs(lis3_dev.idev, ABS_Y, y - lis3_dev.ycalib);
+ input_report_abs(lis3_dev.idev, ABS_Z, z - lis3_dev.zcalib);
- input_sync(adev.idev);
+ input_sync(lis3_dev.idev);
try_to_freeze();
msleep_interruptible(MDPS_POLL_INTERVAL);
@@ -299,11 +315,11 @@ static int lis3lv02d_joystick_kthread(void *data)
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);
+ lis3lv02d_increase_use(&lis3_dev);
+ lis3_dev.kthread = kthread_run(lis3lv02d_joystick_kthread, NULL, "klis3lv02d");
+ if (IS_ERR(lis3_dev.kthread)) {
+ lis3lv02d_decrease_use(&lis3_dev);
+ return PTR_ERR(lis3_dev.kthread);
}
return 0;
@@ -311,45 +327,46 @@ static int lis3lv02d_joystick_open(struct input_dev *input)
static void lis3lv02d_joystick_close(struct input_dev *input)
{
- kthread_stop(adev.kthread);
- lis3lv02d_decrease_use(&adev);
+ kthread_stop(lis3_dev.kthread);
+ lis3lv02d_decrease_use(&lis3_dev);
}
static inline void lis3lv02d_calibrate_joystick(void)
{
- lis3lv02d_get_xyz(adev.device->handle, &adev.xcalib, &adev.ycalib, &adev.zcalib);
+ lis3lv02d_get_xyz(&lis3_dev,
+ &lis3_dev.xcalib, &lis3_dev.ycalib, &lis3_dev.zcalib);
}
int lis3lv02d_joystick_enable(void)
{
int err;
- if (adev.idev)
+ if (lis3_dev.idev)
return -EINVAL;
- adev.idev = input_allocate_device();
- if (!adev.idev)
+ lis3_dev.idev = input_allocate_device();
+ if (!lis3_dev.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;
+ lis3_dev.idev->name = "ST LIS3LV02DL Accelerometer";
+ lis3_dev.idev->phys = DRIVER_NAME "/input0";
+ lis3_dev.idev->id.bustype = BUS_HOST;
+ lis3_dev.idev->id.vendor = 0;
+ lis3_dev.idev->dev.parent = &lis3_dev.pdev->dev;
+ lis3_dev.idev->open = lis3lv02d_joystick_open;
+ lis3_dev.idev->close = lis3lv02d_joystick_close;
- set_bit(EV_ABS, adev.idev->evbit);
- input_set_abs_params(adev.idev, ABS_X, -adev.mdps_max_val, adev.mdps_max_val, 3, 3);
- input_set_abs_params(adev.idev, ABS_Y, -adev.mdps_max_val, adev.mdps_max_val, 3, 3);
- input_set_abs_params(adev.idev, ABS_Z, -adev.mdps_max_val, adev.mdps_max_val, 3, 3);
+ set_bit(EV_ABS, lis3_dev.idev->evbit);
+ input_set_abs_params(lis3_dev.idev, ABS_X, -lis3_dev.mdps_max_val, lis3_dev.mdps_max_val, 3, 3);
+ input_set_abs_params(lis3_dev.idev, ABS_Y, -lis3_dev.mdps_max_val, lis3_dev.mdps_max_val, 3, 3);
+ input_set_abs_params(lis3_dev.idev, ABS_Z, -lis3_dev.mdps_max_val, lis3_dev.mdps_max_val, 3, 3);
- err = input_register_device(adev.idev);
+ err = input_register_device(lis3_dev.idev);
if (err) {
- input_free_device(adev.idev);
- adev.idev = NULL;
+ input_free_device(lis3_dev.idev);
+ lis3_dev.idev = NULL;
}
return err;
@@ -358,71 +375,40 @@ EXPORT_SYMBOL_GPL(lis3lv02d_joystick_enable);
void lis3lv02d_joystick_disable(void)
{
- if (!adev.idev)
+ if (!lis3_dev.idev)
return;
misc_deregister(&lis3lv02d_misc_device);
- input_unregister_device(adev.idev);
- adev.idev = NULL;
+ input_unregister_device(lis3_dev.idev);
+ lis3_dev.idev = NULL;
}
EXPORT_SYMBOL_GPL(lis3lv02d_joystick_disable);
-/*
- * Initialise the accelerometer and the various subsystems.
- * Should be rather independant of the bus system.
- */
-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");
-
- printk("lis3_init_device: irq %d\n", dev->irq);
-
- /* if we did not get an IRQ from ACPI - we have nothing more to do */
- if (!dev->irq) {
- printk(KERN_ERR DRIVER_NAME
- ": No IRQ in ACPI. Disabling /dev/freefall\n");
- goto out;
- }
-
- printk("lis3: registering device\n");
- if (misc_register(&lis3lv02d_misc_device))
- printk(KERN_ERR DRIVER_NAME ": misc_register failed\n");
-out:
- lis3lv02d_decrease_use(dev);
- return 0;
-}
-EXPORT_SYMBOL_GPL(lis3lv02d_init_device);
-
/* 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);
+ lis3lv02d_increase_use(&lis3_dev);
+ lis3lv02d_get_xyz(&lis3_dev, &x, &y, &z);
+ lis3lv02d_decrease_use(&lis3_dev);
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);
+ return sprintf(buf, "(%d,%d,%d)\n", lis3_dev.xcalib, lis3_dev.ycalib, lis3_dev.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_increase_use(&lis3_dev);
lis3lv02d_calibrate_joystick();
- lis3lv02d_decrease_use(&adev);
+ lis3lv02d_decrease_use(&lis3_dev);
return count;
}
@@ -434,9 +420,9 @@ static ssize_t lis3lv02d_rate_show(struct device *dev,
u8 ctrl;
int val;
- lis3lv02d_increase_use(&adev);
- adev.read(adev.device->handle, CTRL_REG1, &ctrl);
- lis3lv02d_decrease_use(&adev);
+ lis3lv02d_increase_use(&lis3_dev);
+ lis3_dev.read(&lis3_dev, CTRL_REG1, &ctrl);
+ lis3lv02d_decrease_use(&lis3_dev);
val = (ctrl & (CTRL1_DF0 | CTRL1_DF1)) >> 4;
return sprintf(buf, "%d\n", lis3lv02dl_df_val[val]);
}
@@ -458,23 +444,73 @@ static struct attribute_group lis3lv02d_attribute_group = {
};
-static int lis3lv02d_add_fs(struct acpi_device *device)
+static int lis3lv02d_add_fs(struct lis3lv02d *lis3)
{
- adev.pdev = platform_device_register_simple(DRIVER_NAME, -1, NULL, 0);
- if (IS_ERR(adev.pdev))
- return PTR_ERR(adev.pdev);
+ lis3_dev.pdev = platform_device_register_simple(DRIVER_NAME, -1, NULL, 0);
+ if (IS_ERR(lis3_dev.pdev))
+ return PTR_ERR(lis3_dev.pdev);
- return sysfs_create_group(&adev.pdev->dev.kobj, &lis3lv02d_attribute_group);
+ return sysfs_create_group(&lis3_dev.pdev->dev.kobj, &lis3lv02d_attribute_group);
}
int lis3lv02d_remove_fs(void)
{
- sysfs_remove_group(&adev.pdev->dev.kobj, &lis3lv02d_attribute_group);
- platform_device_unregister(adev.pdev);
+ sysfs_remove_group(&lis3_dev.pdev->dev.kobj, &lis3lv02d_attribute_group);
+ platform_device_unregister(lis3_dev.pdev);
return 0;
}
EXPORT_SYMBOL_GPL(lis3lv02d_remove_fs);
+/*
+ * Initialise the accelerometer and the various subsystems.
+ * Should be rather independant of the bus system.
+ */
+int lis3lv02d_init_device(struct lis3lv02d *dev)
+{
+ dev->whoami = lis3lv02d_read_8(dev, WHO_AM_I);
+
+ switch (dev->whoami) {
+ case LIS_DOUBLE_ID:
+ printk(KERN_INFO DRIVER_NAME ": 2-byte sensor found\n");
+ dev->read_data = lis3lv02d_read_16;
+ dev->mdps_max_val = 2048;
+ break;
+ case LIS_SINGLE_ID:
+ printk(KERN_INFO DRIVER_NAME ": 1-byte sensor found\n");
+ dev->read_data = lis3lv02d_read_8;
+ dev->mdps_max_val = 128;
+ break;
+ default:
+ printk(KERN_ERR DRIVER_NAME
+ ": unknown sensor type 0x%X\n", lis3_dev.whoami);
+ return -EINVAL;
+ }
+
+ mutex_init(&dev->lock);
+ lis3lv02d_add_fs(dev);
+ lis3lv02d_increase_use(dev);
+
+ if (lis3lv02d_joystick_enable())
+ printk(KERN_ERR DRIVER_NAME ": joystick initialization failed\n");
+
+ printk("lis3_init_device: irq %d\n", dev->irq);
+
+ /* bail if we did not get an IRQ from the bus layer */
+ if (!dev->irq) {
+ printk(KERN_ERR DRIVER_NAME
+ ": No IRQ. Disabling /dev/freefall\n");
+ goto out;
+ }
+
+ printk("lis3: registering device\n");
+ if (misc_register(&lis3lv02d_misc_device))
+ printk(KERN_ERR DRIVER_NAME ": misc_register failed\n");
+out:
+ lis3lv02d_decrease_use(dev);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(lis3lv02d_init_device);
+
MODULE_DESCRIPTION("ST LIS3LV02Dx three-axis digital accelerometer driver");
MODULE_AUTHOR("Yan Burman, Eric Piel, Pavel Machek");
MODULE_LICENSE("GPL");
diff --git a/drivers/hwmon/lis3lv02d.h b/drivers/hwmon/lis3lv02d.h
index 75972bf372ff..745ec96806d4 100644
--- a/drivers/hwmon/lis3lv02d.h
+++ b/drivers/hwmon/lis3lv02d.h
@@ -159,14 +159,14 @@ struct axis_conversion {
s8 z;
};
-struct acpi_lis3lv02d {
- struct acpi_device *device; /* The ACPI device */
- acpi_status (*init) (acpi_handle handle);
- acpi_status (*write) (acpi_handle handle, int reg, u8 val);
- acpi_status (*read) (acpi_handle handle, int reg, u8 *ret);
+struct lis3lv02d {
+ void *bus_priv; /* used by the bus layer only */
+ int (*init) (struct lis3lv02d *lis3);
+ int (*write) (struct lis3lv02d *lis3, int reg, u8 val);
+ int (*read) (struct lis3lv02d *lis3, int reg, u8 *ret);
u8 whoami; /* 3Ah: 2-byte registries, 3Bh: 1-byte registries */
- s16 (*read_data) (acpi_handle handle, int reg);
+ s16 (*read_data) (struct lis3lv02d *lis3, int reg);
int mdps_max_val;
struct input_dev *idev; /* input device */
@@ -187,11 +187,11 @@ struct acpi_lis3lv02d {
unsigned long misc_opened; /* bit0: whether the device is open */
};
-int lis3lv02d_init_device(struct acpi_lis3lv02d *dev);
+int lis3lv02d_init_device(struct lis3lv02d *lis3);
int lis3lv02d_joystick_enable(void);
void lis3lv02d_joystick_disable(void);
-void lis3lv02d_poweroff(acpi_handle handle);
-void lis3lv02d_poweron(acpi_handle handle);
+void lis3lv02d_poweroff(struct lis3lv02d *lis3);
+void lis3lv02d_poweron(struct lis3lv02d *lis3);
int lis3lv02d_remove_fs(void);
-extern struct acpi_lis3lv02d adev;
+extern struct lis3lv02d lis3_dev;
diff --git a/drivers/hwmon/lis3lv02d_spi.c b/drivers/hwmon/lis3lv02d_spi.c
new file mode 100644
index 000000000000..07ae74b0e191
--- /dev/null
+++ b/drivers/hwmon/lis3lv02d_spi.c
@@ -0,0 +1,114 @@
+/*
+ * lis3lv02d_spi - SPI glue layer for lis3lv02d
+ *
+ * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * publishhed by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/workqueue.h>
+#include <linux/spi/spi.h>
+
+#include "lis3lv02d.h"
+
+#define DRV_NAME "lis3lv02d_spi"
+#define LIS3_SPI_READ 0x80
+
+static int lis3_spi_read(struct lis3lv02d *lis3, int reg, u8 *v)
+{
+ struct spi_device *spi = lis3->bus_priv;
+ int ret = spi_w8r8(spi, reg | LIS3_SPI_READ);
+ if (ret < 0)
+ return -EINVAL;
+
+ *v = (u8) ret;
+ return 0;
+}
+
+static int lis3_spi_write(struct lis3lv02d *lis3, int reg, u8 val)
+{
+ u8 tmp[2] = { reg, val };
+ struct spi_device *spi = lis3->bus_priv;
+ return spi_write(spi, tmp, sizeof(tmp));
+}
+
+static int lis3_spi_init(struct lis3lv02d *lis3)
+{
+ u8 reg;
+ int ret;
+
+ /* power up the device */
+ ret = lis3->read(lis3, CTRL_REG1, &reg);
+ if (ret < 0)
+ return ret;
+
+ reg |= CTRL1_PD0;
+ return lis3->write(lis3, CTRL_REG1, reg);
+}
+
+static struct axis_conversion lis3lv02d_axis_normal = { 1, 2, 3 };
+
+static int __devinit lis302dl_spi_probe(struct spi_device *spi)
+{
+ int ret;
+
+ spi->bits_per_word = 8;
+ spi->mode = SPI_MODE_0;
+ ret = spi_setup(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;
+ spi_set_drvdata(spi, &lis3_dev);
+
+ ret = lis3lv02d_init_device(&lis3_dev);
+ return ret;
+}
+
+static int __devexit lis302dl_spi_remove(struct spi_device *spi)
+{
+ struct lis3lv02d *lis3 = spi_get_drvdata(spi);
+ lis3lv02d_joystick_disable();
+ lis3lv02d_poweroff(lis3);
+ return 0;
+}
+
+static struct spi_driver lis302dl_spi_driver = {
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ },
+ .probe = lis302dl_spi_probe,
+ .remove = __devexit_p(lis302dl_spi_remove),
+};
+
+static int __init lis302dl_init(void)
+{
+ return spi_register_driver(&lis302dl_spi_driver);
+}
+
+static void __exit lis302dl_exit(void)
+{
+ spi_unregister_driver(&lis302dl_spi_driver);
+}
+
+module_init(lis302dl_init);
+module_exit(lis302dl_exit);
+
+MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>");
+MODULE_DESCRIPTION("lis3lv02d SPI glue layer");
+MODULE_LICENSE("GPL");
+
diff --git a/drivers/hwmon/lm95241.c b/drivers/hwmon/lm95241.c
new file mode 100644
index 000000000000..e34f9e402a2c
--- /dev/null
+++ b/drivers/hwmon/lm95241.c
@@ -0,0 +1,509 @@
+/*
+ * lm95241.c - Part of lm_sensors, Linux kernel modules for hardware
+ * monitoring
+ * Copyright (C) 2008 Davide Rizzo <elpa-rizzo@gmail.com>
+ *
+ * Based on the max1619 driver. The LM95241 is a sensor chip made by National
+ * Semiconductors.
+ * It reports up to three temperatures (its own plus up to
+ * two external ones). Complete datasheet can be
+ * obtained from National's website at:
+ * http://www.national.com/ds.cgi/LM/LM95241.pdf
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/err.h>
+#include <linux/mutex.h>
+#include <linux/sysfs.h>
+
+static const unsigned short normal_i2c[] = {
+ 0x19, 0x2a, 0x2b, I2C_CLIENT_END};
+
+/* Insmod parameters */
+I2C_CLIENT_INSMOD_1(lm95241);
+
+/* LM95241 registers */
+#define LM95241_REG_R_MAN_ID 0xFE
+#define LM95241_REG_R_CHIP_ID 0xFF
+#define LM95241_REG_R_STATUS 0x02
+#define LM95241_REG_RW_CONFIG 0x03
+#define LM95241_REG_RW_REM_FILTER 0x06
+#define LM95241_REG_RW_TRUTHERM 0x07
+#define LM95241_REG_W_ONE_SHOT 0x0F
+#define LM95241_REG_R_LOCAL_TEMPH 0x10
+#define LM95241_REG_R_REMOTE1_TEMPH 0x11
+#define LM95241_REG_R_REMOTE2_TEMPH 0x12
+#define LM95241_REG_R_LOCAL_TEMPL 0x20
+#define LM95241_REG_R_REMOTE1_TEMPL 0x21
+#define LM95241_REG_R_REMOTE2_TEMPL 0x22
+#define LM95241_REG_RW_REMOTE_MODEL 0x30
+
+/* LM95241 specific bitfields */
+#define CFG_STOP 0x40
+#define CFG_CR0076 0x00
+#define CFG_CR0182 0x10
+#define CFG_CR1000 0x20
+#define CFG_CR2700 0x30
+#define R1MS_SHIFT 0
+#define R2MS_SHIFT 2
+#define R1MS_MASK (0x01 << (R1MS_SHIFT))
+#define R2MS_MASK (0x01 << (R2MS_SHIFT))
+#define R1DF_SHIFT 1
+#define R2DF_SHIFT 2
+#define R1DF_MASK (0x01 << (R1DF_SHIFT))
+#define R2DF_MASK (0x01 << (R2DF_SHIFT))
+#define R1FE_MASK 0x01
+#define R2FE_MASK 0x05
+#define TT1_SHIFT 0
+#define TT2_SHIFT 4
+#define TT_OFF 0
+#define TT_ON 1
+#define TT_MASK 7
+#define MANUFACTURER_ID 0x01
+#define DEFAULT_REVISION 0xA4
+
+/* Conversions and various macros */
+#define TEMP_FROM_REG(val_h, val_l) (((val_h) & 0x80 ? (val_h) - 0x100 : \
+ (val_h)) * 1000 + (val_l) * 1000 / 256)
+
+/* Functions declaration */
+static void lm95241_init_client(struct i2c_client *client);
+static struct lm95241_data *lm95241_update_device(struct device *dev);
+
+/* Client data (each client gets its own) */
+struct lm95241_data {
+ struct device *hwmon_dev;
+ struct mutex update_lock;
+ unsigned long last_updated, rate; /* in jiffies */
+ char valid; /* zero until following fields are valid */
+ /* registers values */
+ u8 local_h, local_l; /* local */
+ u8 remote1_h, remote1_l; /* remote1 */
+ u8 remote2_h, remote2_l; /* remote2 */
+ u8 config, model, trutherm;
+};
+
+/* Sysfs stuff */
+#define show_temp(value) \
+static ssize_t show_##value(struct device *dev, \
+ struct device_attribute *attr, char *buf) \
+{ \
+ struct lm95241_data *data = lm95241_update_device(dev); \
+ snprintf(buf, PAGE_SIZE - 1, "%d\n", \
+ TEMP_FROM_REG(data->value##_h, data->value##_l)); \
+ return strlen(buf); \
+}
+show_temp(local);
+show_temp(remote1);
+show_temp(remote2);
+
+static ssize_t show_rate(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct lm95241_data *data = lm95241_update_device(dev);
+
+ snprintf(buf, PAGE_SIZE - 1, "%lu\n", 1000 * data->rate / HZ);
+ return strlen(buf);
+}
+
+static ssize_t set_rate(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct lm95241_data *data = i2c_get_clientdata(client);
+
+ strict_strtol(buf, 10, &data->rate);
+ data->rate = data->rate * HZ / 1000;
+
+ return count;
+}
+
+#define show_type(flag) \
+static ssize_t show_type##flag(struct device *dev, \
+ struct device_attribute *attr, char *buf) \
+{ \
+ struct i2c_client *client = to_i2c_client(dev); \
+ struct lm95241_data *data = i2c_get_clientdata(client); \
+\
+ snprintf(buf, PAGE_SIZE - 1, \
+ data->model & R##flag##MS_MASK ? "1\n" : "2\n"); \
+ return strlen(buf); \
+}
+show_type(1);
+show_type(2);
+
+#define show_min(flag) \
+static ssize_t show_min##flag(struct device *dev, \
+ struct device_attribute *attr, char *buf) \
+{ \
+ struct i2c_client *client = to_i2c_client(dev); \
+ struct lm95241_data *data = i2c_get_clientdata(client); \
+\
+ snprintf(buf, PAGE_SIZE - 1, \
+ data->config & R##flag##DF_MASK ? \
+ "-127000\n" : "0\n"); \
+ return strlen(buf); \
+}
+show_min(1);
+show_min(2);
+
+#define show_max(flag) \
+static ssize_t show_max##flag(struct device *dev, \
+ struct device_attribute *attr, char *buf) \
+{ \
+ struct i2c_client *client = to_i2c_client(dev); \
+ struct lm95241_data *data = i2c_get_clientdata(client); \
+\
+ snprintf(buf, PAGE_SIZE - 1, \
+ data->config & R##flag##DF_MASK ? \
+ "127000\n" : "255000\n"); \
+ return strlen(buf); \
+}
+show_max(1);
+show_max(2);
+
+#define set_type(flag) \
+static ssize_t set_type##flag(struct device *dev, \
+ struct device_attribute *attr, \
+ const char *buf, size_t count) \
+{ \
+ struct i2c_client *client = to_i2c_client(dev); \
+ struct lm95241_data *data = i2c_get_clientdata(client); \
+\
+ long val; \
+ strict_strtol(buf, 10, &val); \
+\
+ if ((val == 1) || (val == 2)) { \
+\
+ mutex_lock(&data->update_lock); \
+\
+ data->trutherm &= ~(TT_MASK << TT##flag##_SHIFT); \
+ if (val == 1) { \
+ data->model |= R##flag##MS_MASK; \
+ data->trutherm |= (TT_ON << TT##flag##_SHIFT); \
+ } \
+ else { \
+ data->model &= ~R##flag##MS_MASK; \
+ data->trutherm |= (TT_OFF << TT##flag##_SHIFT); \
+ } \
+\
+ data->valid = 0; \
+\
+ i2c_smbus_write_byte_data(client, LM95241_REG_RW_REMOTE_MODEL, \
+ data->model); \
+ i2c_smbus_write_byte_data(client, LM95241_REG_RW_TRUTHERM, \
+ data->trutherm); \
+\
+ mutex_unlock(&data->update_lock); \
+\
+ } \
+ return count; \
+}
+set_type(1);
+set_type(2);
+
+#define set_min(flag) \
+static ssize_t set_min##flag(struct device *dev, \
+ struct device_attribute *devattr, const char *buf, size_t count) \
+{ \
+ struct i2c_client *client = to_i2c_client(dev); \
+ struct lm95241_data *data = i2c_get_clientdata(client); \
+\
+ long val; \
+ strict_strtol(buf, 10, &val); \
+\
+ mutex_lock(&data->update_lock); \
+\
+ if (val < 0) \
+ data->config |= R##flag##DF_MASK; \
+ else \
+ data->config &= ~R##flag##DF_MASK; \
+\
+ data->valid = 0; \
+\
+ i2c_smbus_write_byte_data(client, LM95241_REG_RW_CONFIG, \
+ data->config); \
+\
+ mutex_unlock(&data->update_lock); \
+\
+ return count; \
+}
+set_min(1);
+set_min(2);
+
+#define set_max(flag) \
+static ssize_t set_max##flag(struct device *dev, \
+ struct device_attribute *devattr, const char *buf, size_t count) \
+{ \
+ struct i2c_client *client = to_i2c_client(dev); \
+ struct lm95241_data *data = i2c_get_clientdata(client); \
+\
+ long val; \
+ strict_strtol(buf, 10, &val); \
+\
+ mutex_lock(&data->update_lock); \
+\
+ if (val <= 127000) \
+ data->config |= R##flag##DF_MASK; \
+ else \
+ data->config &= ~R##flag##DF_MASK; \
+\
+ data->valid = 0; \
+\
+ i2c_smbus_write_byte_data(client, LM95241_REG_RW_CONFIG, \
+ data->config); \
+\
+ mutex_unlock(&data->update_lock); \
+\
+ return count; \
+}
+set_max(1);
+set_max(2);
+
+static DEVICE_ATTR(temp1_input, S_IRUGO, show_local, NULL);
+static DEVICE_ATTR(temp2_input, S_IRUGO, show_remote1, NULL);
+static DEVICE_ATTR(temp3_input, S_IRUGO, show_remote2, NULL);
+static DEVICE_ATTR(temp2_type, S_IWUSR | S_IRUGO, show_type1, set_type1);
+static DEVICE_ATTR(temp3_type, S_IWUSR | S_IRUGO, show_type2, set_type2);
+static DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_min1, set_min1);
+static DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO, show_min2, set_min2);
+static DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_max1, set_max1);
+static DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, show_max2, set_max2);
+static DEVICE_ATTR(rate, S_IWUSR | S_IRUGO, show_rate, set_rate);
+
+static struct attribute *lm95241_attributes[] = {
+ &dev_attr_temp1_input.attr,
+ &dev_attr_temp2_input.attr,
+ &dev_attr_temp3_input.attr,
+ &dev_attr_temp2_type.attr,
+ &dev_attr_temp3_type.attr,
+ &dev_attr_temp2_min.attr,
+ &dev_attr_temp3_min.attr,
+ &dev_attr_temp2_max.attr,
+ &dev_attr_temp3_max.attr,
+ &dev_attr_rate.attr,
+ NULL
+};
+
+static const struct attribute_group lm95241_group = {
+ .attrs = lm95241_attributes,
+};
+
+/* Return 0 if detection is successful, -ENODEV otherwise */
+static int lm95241_detect(struct i2c_client *new_client, int kind,
+ struct i2c_board_info *info)
+{
+ struct i2c_adapter *adapter = new_client->adapter;
+ int address = new_client->addr;
+ const char *name = "";
+
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+ return -ENODEV;
+
+ /*
+ * Now we do the remaining detection. A negative kind means that
+ * the driver was loaded with no force parameter (default), so we
+ * must both detect and identify the chip. A zero kind means that
+ * the driver was loaded with the force parameter, the detection
+ * step shall be skipped. A positive kind means that the driver
+ * was loaded with the force parameter and a given kind of chip is
+ * requested, so both the detection and the identification steps
+ * are skipped.
+ */
+ if (kind < 0) { /* detection */
+ if ((i2c_smbus_read_byte_data(new_client, LM95241_REG_R_MAN_ID)
+ != MANUFACTURER_ID)
+ || (i2c_smbus_read_byte_data(new_client, LM95241_REG_R_CHIP_ID)
+ < DEFAULT_REVISION)) {
+ dev_dbg(&adapter->dev,
+ "LM95241 detection failed at 0x%02x.\n",
+ address);
+ return -ENODEV;
+ }
+ }
+
+ if (kind <= 0) { /* identification */
+ if ((i2c_smbus_read_byte_data(new_client, LM95241_REG_R_MAN_ID)
+ == MANUFACTURER_ID)
+ && (i2c_smbus_read_byte_data(new_client, LM95241_REG_R_CHIP_ID)
+ >= DEFAULT_REVISION)) {
+
+ kind = lm95241;
+
+ if (kind <= 0) { /* identification failed */
+ dev_info(&adapter->dev, "Unsupported chip\n");
+ return -ENODEV;
+ }
+ }
+ }
+
+ /* Fill the i2c board info */
+ if (kind == lm95241)
+ name = "lm95241";
+ strlcpy(info->type, name, I2C_NAME_SIZE);
+ return 0;
+}
+
+static int lm95241_probe(struct i2c_client *new_client,
+ const struct i2c_device_id *id)
+{
+ struct lm95241_data *data;
+ int err;
+
+ data = kzalloc(sizeof(struct lm95241_data), GFP_KERNEL);
+ if (!data) {
+ err = -ENOMEM;
+ goto exit;
+ }
+
+ i2c_set_clientdata(new_client, data);
+ mutex_init(&data->update_lock);
+
+ /* Initialize the LM95241 chip */
+ lm95241_init_client(new_client);
+
+ /* Register sysfs hooks */
+ err = sysfs_create_group(&new_client->dev.kobj, &lm95241_group);
+ if (err)
+ goto exit_free;
+
+ data->hwmon_dev = hwmon_device_register(&new_client->dev);
+ if (IS_ERR(data->hwmon_dev)) {
+ err = PTR_ERR(data->hwmon_dev);
+ goto exit_remove_files;
+ }
+
+ return 0;
+
+exit_remove_files:
+ sysfs_remove_group(&new_client->dev.kobj, &lm95241_group);
+exit_free:
+ kfree(data);
+exit:
+ return err;
+}
+
+static void lm95241_init_client(struct i2c_client *client)
+{
+ struct lm95241_data *data = i2c_get_clientdata(client);
+
+ data->rate = HZ; /* 1 sec default */
+ data->valid = 0;
+ data->config = CFG_CR0076;
+ data->model = 0;
+ data->trutherm = (TT_OFF << TT1_SHIFT) | (TT_OFF << TT2_SHIFT);
+
+ i2c_smbus_write_byte_data(client, LM95241_REG_RW_CONFIG,
+ data->config);
+ i2c_smbus_write_byte_data(client, LM95241_REG_RW_REM_FILTER,
+ R1FE_MASK | R2FE_MASK);
+ i2c_smbus_write_byte_data(client, LM95241_REG_RW_TRUTHERM,
+ data->trutherm);
+ i2c_smbus_write_byte_data(client, LM95241_REG_RW_REMOTE_MODEL,
+ data->model);
+}
+
+static int lm95241_remove(struct i2c_client *client)
+{
+ struct lm95241_data *data = i2c_get_clientdata(client);
+
+ hwmon_device_unregister(data->hwmon_dev);
+ sysfs_remove_group(&client->dev.kobj, &lm95241_group);
+
+ i2c_set_clientdata(client, NULL);
+ kfree(data);
+ return 0;
+}
+
+static struct lm95241_data *lm95241_update_device(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct lm95241_data *data = i2c_get_clientdata(client);
+
+ mutex_lock(&data->update_lock);
+
+ if (time_after(jiffies, data->last_updated + data->rate) ||
+ !data->valid) {
+ dev_dbg(&client->dev, "Updating lm95241 data.\n");
+ data->local_h =
+ i2c_smbus_read_byte_data(client,
+ LM95241_REG_R_LOCAL_TEMPH);
+ data->local_l =
+ i2c_smbus_read_byte_data(client,
+ LM95241_REG_R_LOCAL_TEMPL);
+ data->remote1_h =
+ i2c_smbus_read_byte_data(client,
+ LM95241_REG_R_REMOTE1_TEMPH);
+ data->remote1_l =
+ i2c_smbus_read_byte_data(client,
+ LM95241_REG_R_REMOTE1_TEMPL);
+ data->remote2_h =
+ i2c_smbus_read_byte_data(client,
+ LM95241_REG_R_REMOTE2_TEMPH);
+ data->remote2_l =
+ i2c_smbus_read_byte_data(client,
+ LM95241_REG_R_REMOTE2_TEMPL);
+ data->last_updated = jiffies;
+ data->valid = 1;
+ }
+
+ mutex_unlock(&data->update_lock);
+
+ return data;
+}
+
+/* Driver data (common to all clients) */
+static const struct i2c_device_id lm95241_id[] = {
+ { "lm95241", lm95241 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, lm95241_id);
+
+static struct i2c_driver lm95241_driver = {
+ .class = I2C_CLASS_HWMON,
+ .driver = {
+ .name = "lm95241",
+ },
+ .probe = lm95241_probe,
+ .remove = lm95241_remove,
+ .id_table = lm95241_id,
+ .detect = lm95241_detect,
+ .address_data = &addr_data,
+};
+
+static int __init sensors_lm95241_init(void)
+{
+ return i2c_add_driver(&lm95241_driver);
+}
+
+static void __exit sensors_lm95241_exit(void)
+{
+ i2c_del_driver(&lm95241_driver);
+}
+
+MODULE_AUTHOR("Davide Rizzo <elpa-rizzo@gmail.com>");
+MODULE_DESCRIPTION("LM95241 sensor driver");
+MODULE_LICENSE("GPL");
+
+module_init(sensors_lm95241_init);
+module_exit(sensors_lm95241_exit);
diff --git a/drivers/hwmon/ltc4215.c b/drivers/hwmon/ltc4215.c
new file mode 100644
index 000000000000..9386e2a39211
--- /dev/null
+++ b/drivers/hwmon/ltc4215.c
@@ -0,0 +1,364 @@
+/*
+ * Driver for Linear Technology LTC4215 I2C Hot Swap Controller
+ *
+ * Copyright (C) 2009 Ira W. Snyder <iws@ovro.caltech.edu>
+ *
+ * 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; version 2 of the License.
+ *
+ * Datasheet:
+ * http://www.linear.com/pc/downloadDocument.do?navId=H0,C1,C1003,C1006,C1163,P17572,D12697
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+
+static const unsigned short normal_i2c[] = { I2C_CLIENT_END };
+
+/* Insmod parameters */
+I2C_CLIENT_INSMOD_1(ltc4215);
+
+/* Here are names of the chip's registers (a.k.a. commands) */
+enum ltc4215_cmd {
+ LTC4215_CONTROL = 0x00, /* rw */
+ LTC4215_ALERT = 0x01, /* rw */
+ LTC4215_STATUS = 0x02, /* ro */
+ LTC4215_FAULT = 0x03, /* rw */
+ LTC4215_SENSE = 0x04, /* rw */
+ LTC4215_SOURCE = 0x05, /* rw */
+ LTC4215_ADIN = 0x06, /* rw */
+};
+
+struct ltc4215_data {
+ struct device *hwmon_dev;
+
+ struct mutex update_lock;
+ bool valid;
+ unsigned long last_updated; /* in jiffies */
+
+ /* Registers */
+ u8 regs[7];
+};
+
+static struct ltc4215_data *ltc4215_update_device(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct ltc4215_data *data = i2c_get_clientdata(client);
+ s32 val;
+ int i;
+
+ mutex_lock(&data->update_lock);
+
+ /* The chip's A/D updates 10 times per second */
+ if (time_after(jiffies, data->last_updated + HZ / 10) || !data->valid) {
+
+ dev_dbg(&client->dev, "Starting ltc4215 update\n");
+
+ /* Read all registers */
+ for (i = 0; i < ARRAY_SIZE(data->regs); i++) {
+ val = i2c_smbus_read_byte_data(client, i);
+ if (unlikely(val < 0))
+ data->regs[i] = 0;
+ else
+ data->regs[i] = val;
+ }
+
+ data->last_updated = jiffies;
+ data->valid = 1;
+ }
+
+ mutex_unlock(&data->update_lock);
+
+ return data;
+}
+
+/* Return the voltage from the given register in millivolts */
+static int ltc4215_get_voltage(struct device *dev, u8 reg)
+{
+ struct ltc4215_data *data = ltc4215_update_device(dev);
+ const u8 regval = data->regs[reg];
+ u32 voltage = 0;
+
+ switch (reg) {
+ case LTC4215_SENSE:
+ /* 151 uV per increment */
+ voltage = regval * 151 / 1000;
+ break;
+ case LTC4215_SOURCE:
+ /* 60.5 mV per increment */
+ voltage = regval * 605 / 10;
+ break;
+ case LTC4215_ADIN:
+ /* The ADIN input is divided by 12.5, and has 4.82 mV
+ * per increment, so we have the additional multiply */
+ voltage = regval * 482 * 125 / 1000;
+ break;
+ default:
+ /* If we get here, the developer messed up */
+ WARN_ON_ONCE(1);
+ break;
+ }
+
+ return voltage;
+}
+
+/* Return the current from the sense resistor in mA */
+static unsigned int ltc4215_get_current(struct device *dev)
+{
+ struct ltc4215_data *data = ltc4215_update_device(dev);
+
+ /* The strange looking conversions that follow are fixed-point
+ * math, since we cannot do floating point in the kernel.
+ *
+ * Step 1: convert sense register to microVolts
+ * Step 2: convert voltage to milliAmperes
+ *
+ * If you play around with the V=IR equation, you come up with
+ * the following: X uV / Y mOhm == Z mA
+ *
+ * With the resistors that are fractions of a milliOhm, we multiply
+ * the voltage and resistance by 10, to shift the decimal point.
+ * Now we can use the normal division operator again.
+ */
+
+ /* Calculate voltage in microVolts (151 uV per increment) */
+ const unsigned int voltage = data->regs[LTC4215_SENSE] * 151;
+
+ /* Calculate current in milliAmperes (4 milliOhm sense resistor) */
+ const unsigned int curr = voltage / 4;
+
+ return curr;
+}
+
+static ssize_t ltc4215_show_voltage(struct device *dev,
+ struct device_attribute *da,
+ char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ const int voltage = ltc4215_get_voltage(dev, attr->index);
+
+ return snprintf(buf, PAGE_SIZE, "%d\n", voltage);
+}
+
+static ssize_t ltc4215_show_current(struct device *dev,
+ struct device_attribute *da,
+ char *buf)
+{
+ const unsigned int curr = ltc4215_get_current(dev);
+
+ return snprintf(buf, PAGE_SIZE, "%u\n", curr);
+}
+
+static ssize_t ltc4215_show_power(struct device *dev,
+ struct device_attribute *da,
+ char *buf)
+{
+ const unsigned int curr = ltc4215_get_current(dev);
+ const int output_voltage = ltc4215_get_voltage(dev, LTC4215_ADIN);
+
+ /* current in mA * voltage in mV == power in uW */
+ const unsigned int power = abs(output_voltage * curr);
+
+ return snprintf(buf, PAGE_SIZE, "%u\n", power);
+}
+
+static ssize_t ltc4215_show_alarm(struct device *dev,
+ struct device_attribute *da,
+ char *buf)
+{
+ struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(da);
+ struct ltc4215_data *data = ltc4215_update_device(dev);
+ const u8 reg = data->regs[attr->index];
+ const u32 mask = attr->nr;
+
+ return snprintf(buf, PAGE_SIZE, "%u\n", (reg & mask) ? 1 : 0);
+}
+
+/* These macros are used below in constructing device attribute objects
+ * for use with sysfs_create_group() to make a sysfs device file
+ * for each register.
+ */
+
+#define LTC4215_VOLTAGE(name, ltc4215_cmd_idx) \
+ static SENSOR_DEVICE_ATTR(name, S_IRUGO, \
+ ltc4215_show_voltage, NULL, ltc4215_cmd_idx)
+
+#define LTC4215_CURRENT(name) \
+ static SENSOR_DEVICE_ATTR(name, S_IRUGO, \
+ ltc4215_show_current, NULL, 0);
+
+#define LTC4215_POWER(name) \
+ static SENSOR_DEVICE_ATTR(name, S_IRUGO, \
+ ltc4215_show_power, NULL, 0);
+
+#define LTC4215_ALARM(name, mask, reg) \
+ static SENSOR_DEVICE_ATTR_2(name, S_IRUGO, \
+ ltc4215_show_alarm, NULL, (mask), reg)
+
+/* Construct a sensor_device_attribute structure for each register */
+
+/* Current */
+LTC4215_CURRENT(curr1_input);
+LTC4215_ALARM(curr1_max_alarm, (1 << 2), LTC4215_STATUS);
+
+/* Power (virtual) */
+LTC4215_POWER(power1_input);
+LTC4215_ALARM(power1_alarm, (1 << 3), LTC4215_STATUS);
+
+/* Input Voltage */
+LTC4215_VOLTAGE(in1_input, LTC4215_ADIN);
+LTC4215_ALARM(in1_max_alarm, (1 << 0), LTC4215_STATUS);
+LTC4215_ALARM(in1_min_alarm, (1 << 1), LTC4215_STATUS);
+
+/* Output Voltage */
+LTC4215_VOLTAGE(in2_input, LTC4215_SOURCE);
+
+/* Finally, construct an array of pointers to members of the above objects,
+ * as required for sysfs_create_group()
+ */
+static struct attribute *ltc4215_attributes[] = {
+ &sensor_dev_attr_curr1_input.dev_attr.attr,
+ &sensor_dev_attr_curr1_max_alarm.dev_attr.attr,
+
+ &sensor_dev_attr_power1_input.dev_attr.attr,
+ &sensor_dev_attr_power1_alarm.dev_attr.attr,
+
+ &sensor_dev_attr_in1_input.dev_attr.attr,
+ &sensor_dev_attr_in1_max_alarm.dev_attr.attr,
+ &sensor_dev_attr_in1_min_alarm.dev_attr.attr,
+
+ &sensor_dev_attr_in2_input.dev_attr.attr,
+
+ NULL,
+};
+
+static const struct attribute_group ltc4215_group = {
+ .attrs = ltc4215_attributes,
+};
+
+static int ltc4215_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct ltc4215_data *data;
+ int ret;
+
+ data = kzalloc(sizeof(*data), GFP_KERNEL);
+ if (!data) {
+ ret = -ENOMEM;
+ goto out_kzalloc;
+ }
+
+ i2c_set_clientdata(client, data);
+ mutex_init(&data->update_lock);
+
+ /* Initialize the LTC4215 chip */
+ /* TODO */
+
+ /* Register sysfs hooks */
+ ret = sysfs_create_group(&client->dev.kobj, &ltc4215_group);
+ if (ret)
+ goto out_sysfs_create_group;
+
+ data->hwmon_dev = hwmon_device_register(&client->dev);
+ if (IS_ERR(data->hwmon_dev)) {
+ ret = PTR_ERR(data->hwmon_dev);
+ goto out_hwmon_device_register;
+ }
+
+ return 0;
+
+out_hwmon_device_register:
+ sysfs_remove_group(&client->dev.kobj, &ltc4215_group);
+out_sysfs_create_group:
+ kfree(data);
+out_kzalloc:
+ return ret;
+}
+
+static int ltc4215_remove(struct i2c_client *client)
+{
+ struct ltc4215_data *data = i2c_get_clientdata(client);
+
+ hwmon_device_unregister(data->hwmon_dev);
+ sysfs_remove_group(&client->dev.kobj, &ltc4215_group);
+
+ kfree(data);
+
+ return 0;
+}
+
+static int ltc4215_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) { /* probed detection - check the chip type */
+ s32 v; /* 8 bits from the chip, or -ERRNO */
+
+ /*
+ * Register 0x01 bit b7 is reserved, expect 0
+ * Register 0x03 bit b6 and b7 are reserved, expect 0
+ */
+ v = i2c_smbus_read_byte_data(client, LTC4215_ALERT);
+ if (v < 0 || (v & (1 << 7)) != 0)
+ return -ENODEV;
+
+ v = i2c_smbus_read_byte_data(client, LTC4215_FAULT);
+ if (v < 0 || (v & ((1 << 6) | (1 << 7))) != 0)
+ return -ENODEV;
+ }
+
+ strlcpy(info->type, "ltc4215", I2C_NAME_SIZE);
+ dev_info(&adapter->dev, "ltc4215 %s at address 0x%02x\n",
+ kind < 0 ? "probed" : "forced",
+ client->addr);
+
+ return 0;
+}
+
+static const struct i2c_device_id ltc4215_id[] = {
+ { "ltc4215", ltc4215 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, ltc4215_id);
+
+/* This is the driver that will be inserted */
+static struct i2c_driver ltc4215_driver = {
+ .class = I2C_CLASS_HWMON,
+ .driver = {
+ .name = "ltc4215",
+ },
+ .probe = ltc4215_probe,
+ .remove = ltc4215_remove,
+ .id_table = ltc4215_id,
+ .detect = ltc4215_detect,
+ .address_data = &addr_data,
+};
+
+static int __init ltc4215_init(void)
+{
+ return i2c_add_driver(&ltc4215_driver);
+}
+
+static void __exit ltc4215_exit(void)
+{
+ i2c_del_driver(&ltc4215_driver);
+}
+
+MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>");
+MODULE_DESCRIPTION("LTC4215 driver");
+MODULE_LICENSE("GPL");
+
+module_init(ltc4215_init);
+module_exit(ltc4215_exit);
diff --git a/drivers/hwmon/pcf8591.c b/drivers/hwmon/pcf8591.c
new file mode 100644
index 000000000000..1d7ffebd679d
--- /dev/null
+++ b/drivers/hwmon/pcf8591.c
@@ -0,0 +1,325 @@
+/*
+ Copyright (C) 2001-2004 Aurelien Jarno <aurelien@aurel32.net>
+ Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with
+ the help of Jean Delvare <khali@linux-fr.org>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/mutex.h>
+
+/* Addresses to scan */
+static const unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c,
+ 0x4d, 0x4e, 0x4f, I2C_CLIENT_END };
+
+/* Insmod parameters */
+I2C_CLIENT_INSMOD_1(pcf8591);
+
+static int input_mode;
+module_param(input_mode, int, 0);
+MODULE_PARM_DESC(input_mode,
+ "Analog input mode:\n"
+ " 0 = four single ended inputs\n"
+ " 1 = three differential inputs\n"
+ " 2 = single ended and differential mixed\n"
+ " 3 = two differential inputs\n");
+
+/* The PCF8591 control byte
+ 7 6 5 4 3 2 1 0
+ | 0 |AOEF| AIP | 0 |AINC| AICH | */
+
+/* Analog Output Enable Flag (analog output active if 1) */
+#define PCF8591_CONTROL_AOEF 0x40
+
+/* Analog Input Programming
+ 0x00 = four single ended inputs
+ 0x10 = three differential inputs
+ 0x20 = single ended and differential mixed
+ 0x30 = two differential inputs */
+#define PCF8591_CONTROL_AIP_MASK 0x30
+
+/* Autoincrement Flag (switch on if 1) */
+#define PCF8591_CONTROL_AINC 0x04
+
+/* Channel selection
+ 0x00 = channel 0
+ 0x01 = channel 1
+ 0x02 = channel 2
+ 0x03 = channel 3 */
+#define PCF8591_CONTROL_AICH_MASK 0x03
+
+/* Initial values */
+#define PCF8591_INIT_CONTROL ((input_mode << 4) | PCF8591_CONTROL_AOEF)
+#define PCF8591_INIT_AOUT 0 /* DAC out = 0 */
+
+/* Conversions */
+#define REG_TO_SIGNED(reg) (((reg) & 0x80)?((reg) - 256):(reg))
+
+struct pcf8591_data {
+ struct mutex update_lock;
+
+ u8 control;
+ u8 aout;
+};
+
+static void pcf8591_init_client(struct i2c_client *client);
+static int pcf8591_read_channel(struct device *dev, int channel);
+
+/* following are the sysfs callback functions */
+#define show_in_channel(channel) \
+static ssize_t show_in##channel##_input(struct device *dev, struct device_attribute *attr, char *buf) \
+{ \
+ return sprintf(buf, "%d\n", pcf8591_read_channel(dev, channel));\
+} \
+static DEVICE_ATTR(in##channel##_input, S_IRUGO, \
+ show_in##channel##_input, NULL);
+
+show_in_channel(0);
+show_in_channel(1);
+show_in_channel(2);
+show_in_channel(3);
+
+static ssize_t show_out0_ouput(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct pcf8591_data *data = i2c_get_clientdata(to_i2c_client(dev));
+ return sprintf(buf, "%d\n", data->aout * 10);
+}
+
+static ssize_t set_out0_output(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+{
+ unsigned int value;
+ struct i2c_client *client = to_i2c_client(dev);
+ struct pcf8591_data *data = i2c_get_clientdata(client);
+ if ((value = (simple_strtoul(buf, NULL, 10) + 5) / 10) <= 255) {
+ data->aout = value;
+ i2c_smbus_write_byte_data(client, data->control, data->aout);
+ return count;
+ }
+ return -EINVAL;
+}
+
+static DEVICE_ATTR(out0_output, S_IWUSR | S_IRUGO,
+ show_out0_ouput, set_out0_output);
+
+static ssize_t show_out0_enable(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct pcf8591_data *data = i2c_get_clientdata(to_i2c_client(dev));
+ return sprintf(buf, "%u\n", !(!(data->control & PCF8591_CONTROL_AOEF)));
+}
+
+static ssize_t set_out0_enable(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct pcf8591_data *data = i2c_get_clientdata(client);
+ unsigned long val = simple_strtoul(buf, NULL, 10);
+
+ mutex_lock(&data->update_lock);
+ if (val)
+ data->control |= PCF8591_CONTROL_AOEF;
+ else
+ data->control &= ~PCF8591_CONTROL_AOEF;
+ i2c_smbus_write_byte(client, data->control);
+ mutex_unlock(&data->update_lock);
+ return count;
+}
+
+static DEVICE_ATTR(out0_enable, S_IWUSR | S_IRUGO,
+ show_out0_enable, set_out0_enable);
+
+static struct attribute *pcf8591_attributes[] = {
+ &dev_attr_out0_enable.attr,
+ &dev_attr_out0_output.attr,
+ &dev_attr_in0_input.attr,
+ &dev_attr_in1_input.attr,
+ NULL
+};
+
+static const struct attribute_group pcf8591_attr_group = {
+ .attrs = pcf8591_attributes,
+};
+
+static struct attribute *pcf8591_attributes_opt[] = {
+ &dev_attr_in2_input.attr,
+ &dev_attr_in3_input.attr,
+ NULL
+};
+
+static const struct attribute_group pcf8591_attr_group_opt = {
+ .attrs = pcf8591_attributes_opt,
+};
+
+/*
+ * Real code
+ */
+
+/* Return 0 if detection is successful, -ENODEV otherwise */
+static int pcf8591_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
+ | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
+ return -ENODEV;
+
+ /* Now, we would do the remaining detection. But the PCF8591 is plainly
+ impossible to detect! Stupid chip. */
+
+ strlcpy(info->type, "pcf8591", I2C_NAME_SIZE);
+
+ return 0;
+}
+
+static int pcf8591_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct pcf8591_data *data;
+ int err;
+
+ if (!(data = kzalloc(sizeof(struct pcf8591_data), GFP_KERNEL))) {
+ err = -ENOMEM;
+ goto exit;
+ }
+
+ i2c_set_clientdata(client, data);
+ mutex_init(&data->update_lock);
+
+ /* Initialize the PCF8591 chip */
+ pcf8591_init_client(client);
+
+ /* Register sysfs hooks */
+ err = sysfs_create_group(&client->dev.kobj, &pcf8591_attr_group);
+ if (err)
+ goto exit_kfree;
+
+ /* Register input2 if not in "two differential inputs" mode */
+ if (input_mode != 3) {
+ if ((err = device_create_file(&client->dev,
+ &dev_attr_in2_input)))
+ goto exit_sysfs_remove;
+ }
+
+ /* Register input3 only in "four single ended inputs" mode */
+ if (input_mode == 0) {
+ if ((err = device_create_file(&client->dev,
+ &dev_attr_in3_input)))
+ goto exit_sysfs_remove;
+ }
+
+ return 0;
+
+exit_sysfs_remove:
+ sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group_opt);
+ sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group);
+exit_kfree:
+ kfree(data);
+exit:
+ return err;
+}
+
+static int pcf8591_remove(struct i2c_client *client)
+{
+ sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group_opt);
+ sysfs_remove_group(&client->dev.kobj, &pcf8591_attr_group);
+ kfree(i2c_get_clientdata(client));
+ return 0;
+}
+
+/* Called when we have found a new PCF8591. */
+static void pcf8591_init_client(struct i2c_client *client)
+{
+ struct pcf8591_data *data = i2c_get_clientdata(client);
+ data->control = PCF8591_INIT_CONTROL;
+ data->aout = PCF8591_INIT_AOUT;
+
+ i2c_smbus_write_byte_data(client, data->control, data->aout);
+
+ /* The first byte transmitted contains the conversion code of the
+ previous read cycle. FLUSH IT! */
+ i2c_smbus_read_byte(client);
+}
+
+static int pcf8591_read_channel(struct device *dev, int channel)
+{
+ u8 value;
+ struct i2c_client *client = to_i2c_client(dev);
+ struct pcf8591_data *data = i2c_get_clientdata(client);
+
+ mutex_lock(&data->update_lock);
+
+ if ((data->control & PCF8591_CONTROL_AICH_MASK) != channel) {
+ data->control = (data->control & ~PCF8591_CONTROL_AICH_MASK)
+ | channel;
+ i2c_smbus_write_byte(client, data->control);
+
+ /* The first byte transmitted contains the conversion code of
+ the previous read cycle. FLUSH IT! */
+ i2c_smbus_read_byte(client);
+ }
+ value = i2c_smbus_read_byte(client);
+
+ mutex_unlock(&data->update_lock);
+
+ if ((channel == 2 && input_mode == 2) ||
+ (channel != 3 && (input_mode == 1 || input_mode == 3)))
+ return (10 * REG_TO_SIGNED(value));
+ else
+ return (10 * value);
+}
+
+static const struct i2c_device_id pcf8591_id[] = {
+ { "pcf8591", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, pcf8591_id);
+
+static struct i2c_driver pcf8591_driver = {
+ .driver = {
+ .name = "pcf8591",
+ },
+ .probe = pcf8591_probe,
+ .remove = pcf8591_remove,
+ .id_table = pcf8591_id,
+
+ .class = I2C_CLASS_HWMON, /* Nearest choice */
+ .detect = pcf8591_detect,
+ .address_data = &addr_data,
+};
+
+static int __init pcf8591_init(void)
+{
+ if (input_mode < 0 || input_mode > 3) {
+ printk(KERN_WARNING "pcf8591: invalid input_mode (%d)\n",
+ input_mode);
+ input_mode = 0;
+ }
+ return i2c_add_driver(&pcf8591_driver);
+}
+
+static void __exit pcf8591_exit(void)
+{
+ i2c_del_driver(&pcf8591_driver);
+}
+
+MODULE_AUTHOR("Aurelien Jarno <aurelien@aurel32.net>");
+MODULE_DESCRIPTION("PCF8591 driver");
+MODULE_LICENSE("GPL");
+
+module_init(pcf8591_init);
+module_exit(pcf8591_exit);
diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c
new file mode 100644
index 000000000000..6cbdc2fea734
--- /dev/null
+++ b/drivers/hwmon/sht15.c
@@ -0,0 +1,692 @@
+/*
+ * sht15.c - support for the SHT15 Temperature and Humidity Sensor
+ *
+ * Copyright (c) 2009 Jonathan Cameron
+ *
+ * Copyright (c) 2007 Wouter Horre
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Currently ignoring checksum on readings.
+ * Default resolution only (14bit temp, 12bit humidity)
+ * Ignoring battery status.
+ * Heater not enabled.
+ * Timings are all conservative.
+ *
+ * Data sheet available (1/2009) at
+ * http://www.sensirion.ch/en/pdf/product_information/Datasheet-humidity-sensor-SHT1x.pdf
+ *
+ * Regulator supply name = vcc
+ */
+
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/mutex.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/jiffies.h>
+#include <linux/err.h>
+#include <linux/sht15.h>
+#include <linux/regulator/consumer.h>
+#include <asm/atomic.h>
+
+#define SHT15_MEASURE_TEMP 3
+#define SHT15_MEASURE_RH 5
+
+#define SHT15_READING_NOTHING 0
+#define SHT15_READING_TEMP 1
+#define SHT15_READING_HUMID 2
+
+/* Min timings in nsecs */
+#define SHT15_TSCKL 100 /* clock low */
+#define SHT15_TSCKH 100 /* clock high */
+#define SHT15_TSU 150 /* data setup time */
+
+/**
+ * struct sht15_temppair - elements of voltage dependant temp calc
+ * @vdd: supply voltage in microvolts
+ * @d1: see data sheet
+ */
+struct sht15_temppair {
+ int vdd; /* microvolts */
+ int d1;
+};
+
+/* Table 9 from data sheet - relates temperature calculation
+ * to supply voltage.
+ */
+static const struct sht15_temppair temppoints[] = {
+ { 2500000, -39400 },
+ { 3000000, -39600 },
+ { 3500000, -39700 },
+ { 4000000, -39800 },
+ { 5000000, -40100 },
+};
+
+/**
+ * struct sht15_data - device instance specific data
+ * @pdata: platform data (gpio's etc)
+ * @read_work: bh of interrupt handler
+ * @wait_queue: wait queue for getting values from device
+ * @val_temp: last temperature value read from device
+ * @val_humid: last humidity value read from device
+ * @flag: status flag used to identify what the last request was
+ * @valid: are the current stored values valid (start condition)
+ * @last_updat: time of last update
+ * @read_lock: mutex to ensure only one read in progress
+ * at a time.
+ * @dev: associate device structure
+ * @hwmon_dev: device associated with hwmon subsystem
+ * @reg: associated regulator (if specified)
+ * @nb: notifier block to handle notifications of voltage changes
+ * @supply_uV: local copy of supply voltage used to allow
+ * use of regulator consumer if available
+ * @supply_uV_valid: indicates that an updated value has not yet
+ * been obtained from the regulator and so any calculations
+ * based upon it will be invalid.
+ * @update_supply_work: work struct that is used to update the supply_uV
+ * @interrupt_handled: flag used to indicate a hander has been scheduled
+ */
+struct sht15_data {
+ struct sht15_platform_data *pdata;
+ struct work_struct read_work;
+ wait_queue_head_t wait_queue;
+ uint16_t val_temp;
+ uint16_t val_humid;
+ u8 flag;
+ u8 valid;
+ unsigned long last_updat;
+ struct mutex read_lock;
+ struct device *dev;
+ struct device *hwmon_dev;
+ struct regulator *reg;
+ struct notifier_block nb;
+ int supply_uV;
+ int supply_uV_valid;
+ struct work_struct update_supply_work;
+ atomic_t interrupt_handled;
+};
+
+/**
+ * sht15_connection_reset() - reset the comms interface
+ * @data: sht15 specific data
+ *
+ * This implements section 3.4 of the data sheet
+ */
+static void sht15_connection_reset(struct sht15_data *data)
+{
+ int i;
+ gpio_direction_output(data->pdata->gpio_data, 1);
+ ndelay(SHT15_TSCKL);
+ gpio_set_value(data->pdata->gpio_sck, 0);
+ ndelay(SHT15_TSCKL);
+ for (i = 0; i < 9; ++i) {
+ gpio_set_value(data->pdata->gpio_sck, 1);
+ ndelay(SHT15_TSCKH);
+ gpio_set_value(data->pdata->gpio_sck, 0);
+ ndelay(SHT15_TSCKL);
+ }
+}
+/**
+ * sht15_send_bit() - send an individual bit to the device
+ * @data: device state data
+ * @val: value of bit to be sent
+ **/
+static inline void sht15_send_bit(struct sht15_data *data, int val)
+{
+
+ gpio_set_value(data->pdata->gpio_data, val);
+ ndelay(SHT15_TSU);
+ gpio_set_value(data->pdata->gpio_sck, 1);
+ ndelay(SHT15_TSCKH);
+ gpio_set_value(data->pdata->gpio_sck, 0);
+ ndelay(SHT15_TSCKL); /* clock low time */
+}
+
+/**
+ * sht15_transmission_start() - specific sequence for new transmission
+ *
+ * @data: device state data
+ * Timings for this are not documented on the data sheet, so very
+ * conservative ones used in implementation. This implements
+ * figure 12 on the data sheet.
+ **/
+static void sht15_transmission_start(struct sht15_data *data)
+{
+ /* ensure data is high and output */
+ gpio_direction_output(data->pdata->gpio_data, 1);
+ ndelay(SHT15_TSU);
+ gpio_set_value(data->pdata->gpio_sck, 0);
+ ndelay(SHT15_TSCKL);
+ gpio_set_value(data->pdata->gpio_sck, 1);
+ ndelay(SHT15_TSCKH);
+ gpio_set_value(data->pdata->gpio_data, 0);
+ ndelay(SHT15_TSU);
+ gpio_set_value(data->pdata->gpio_sck, 0);
+ ndelay(SHT15_TSCKL);
+ gpio_set_value(data->pdata->gpio_sck, 1);
+ ndelay(SHT15_TSCKH);
+ gpio_set_value(data->pdata->gpio_data, 1);
+ ndelay(SHT15_TSU);
+ gpio_set_value(data->pdata->gpio_sck, 0);
+ ndelay(SHT15_TSCKL);
+}
+/**
+ * sht15_send_byte() - send a single byte to the device
+ * @data: device state
+ * @byte: value to be sent
+ **/
+static void sht15_send_byte(struct sht15_data *data, u8 byte)
+{
+ int i;
+ for (i = 0; i < 8; i++) {
+ sht15_send_bit(data, !!(byte & 0x80));
+ byte <<= 1;
+ }
+}
+/**
+ * sht15_wait_for_response() - checks for ack from device
+ * @data: device state
+ **/
+static int sht15_wait_for_response(struct sht15_data *data)
+{
+ gpio_direction_input(data->pdata->gpio_data);
+ gpio_set_value(data->pdata->gpio_sck, 1);
+ ndelay(SHT15_TSCKH);
+ if (gpio_get_value(data->pdata->gpio_data)) {
+ gpio_set_value(data->pdata->gpio_sck, 0);
+ dev_err(data->dev, "Command not acknowledged\n");
+ sht15_connection_reset(data);
+ return -EIO;
+ }
+ gpio_set_value(data->pdata->gpio_sck, 0);
+ ndelay(SHT15_TSCKL);
+ return 0;
+}
+
+/**
+ * sht15_send_cmd() - Sends a command to the device.
+ * @data: device state
+ * @cmd: command byte to be sent
+ *
+ * On entry, sck is output low, data is output pull high
+ * and the interrupt disabled.
+ **/
+static int sht15_send_cmd(struct sht15_data *data, u8 cmd)
+{
+ int ret = 0;
+ sht15_transmission_start(data);
+ sht15_send_byte(data, cmd);
+ ret = sht15_wait_for_response(data);
+ return ret;
+}
+/**
+ * sht15_update_single_val() - get a new value from device
+ * @data: device instance specific data
+ * @command: command sent to request value
+ * @timeout_msecs: timeout after which comms are assumed
+ * to have failed are reset.
+ **/
+static inline int sht15_update_single_val(struct sht15_data *data,
+ int command,
+ int timeout_msecs)
+{
+ int ret;
+ ret = sht15_send_cmd(data, command);
+ if (ret)
+ return ret;
+
+ gpio_direction_input(data->pdata->gpio_data);
+ atomic_set(&data->interrupt_handled, 0);
+
+ enable_irq(gpio_to_irq(data->pdata->gpio_data));
+ if (gpio_get_value(data->pdata->gpio_data) == 0) {
+ disable_irq_nosync(gpio_to_irq(data->pdata->gpio_data));
+ /* Only relevant if the interrupt hasn't occured. */
+ if (!atomic_read(&data->interrupt_handled))
+ schedule_work(&data->read_work);
+ }
+ ret = wait_event_timeout(data->wait_queue,
+ (data->flag == SHT15_READING_NOTHING),
+ msecs_to_jiffies(timeout_msecs));
+ if (ret == 0) {/* timeout occurred */
+ disable_irq_nosync(gpio_to_irq(data->pdata->gpio_data));;
+ sht15_connection_reset(data);
+ return -ETIME;
+ }
+ return 0;
+}
+
+/**
+ * sht15_update_vals() - get updated readings from device if too old
+ * @data: device state
+ **/
+static int sht15_update_vals(struct sht15_data *data)
+{
+ int ret = 0;
+ int timeout = HZ;
+
+ mutex_lock(&data->read_lock);
+ if (time_after(jiffies, data->last_updat + timeout)
+ || !data->valid) {
+ data->flag = SHT15_READING_HUMID;
+ ret = sht15_update_single_val(data, SHT15_MEASURE_RH, 160);
+ if (ret)
+ goto error_ret;
+ data->flag = SHT15_READING_TEMP;
+ ret = sht15_update_single_val(data, SHT15_MEASURE_TEMP, 400);
+ if (ret)
+ goto error_ret;
+ data->valid = 1;
+ data->last_updat = jiffies;
+ }
+error_ret:
+ mutex_unlock(&data->read_lock);
+
+ return ret;
+}
+
+/**
+ * sht15_calc_temp() - convert the raw reading to a temperature
+ * @data: device state
+ *
+ * As per section 4.3 of the data sheet.
+ **/
+static inline int sht15_calc_temp(struct sht15_data *data)
+{
+ int d1 = 0;
+ int i;
+
+ for (i = 1; i < ARRAY_SIZE(temppoints) - 1; i++)
+ /* Find pointer to interpolate */
+ if (data->supply_uV > temppoints[i - 1].vdd) {
+ d1 = (data->supply_uV/1000 - temppoints[i - 1].vdd)
+ * (temppoints[i].d1 - temppoints[i - 1].d1)
+ / (temppoints[i].vdd - temppoints[i - 1].vdd)
+ + temppoints[i - 1].d1;
+ break;
+ }
+
+ return data->val_temp*10 + d1;
+}
+
+/**
+ * sht15_calc_humid() - using last temperature convert raw to humid
+ * @data: device state
+ *
+ * This is the temperature compensated version as per section 4.2 of
+ * the data sheet.
+ **/
+static inline int sht15_calc_humid(struct sht15_data *data)
+{
+ int RHlinear; /* milli percent */
+ int temp = sht15_calc_temp(data);
+
+ const int c1 = -4;
+ const int c2 = 40500; /* x 10 ^ -6 */
+ const int c3 = 2800; /* x10 ^ -9 */
+
+ RHlinear = c1*1000
+ + c2 * data->val_humid/1000
+ + (data->val_humid * data->val_humid * c3)/1000000;
+ return (temp - 25000) * (10000 + 800 * data->val_humid)
+ / 1000000 + RHlinear;
+}
+
+static ssize_t sht15_show_temp(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ int ret;
+ struct sht15_data *data = dev_get_drvdata(dev);
+
+ /* Technically no need to read humidity as well */
+ ret = sht15_update_vals(data);
+
+ return ret ? ret : sprintf(buf, "%d\n",
+ sht15_calc_temp(data));
+}
+
+static ssize_t sht15_show_humidity(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ int ret;
+ struct sht15_data *data = dev_get_drvdata(dev);
+
+ ret = sht15_update_vals(data);
+
+ return ret ? ret : sprintf(buf, "%d\n", sht15_calc_humid(data));
+
+};
+static ssize_t show_name(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ return sprintf(buf, "%s\n", pdev->name);
+}
+
+static SENSOR_DEVICE_ATTR(temp1_input,
+ S_IRUGO, sht15_show_temp,
+ NULL, 0);
+static SENSOR_DEVICE_ATTR(humidity1_input,
+ S_IRUGO, sht15_show_humidity,
+ NULL, 0);
+static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
+static struct attribute *sht15_attrs[] = {
+ &sensor_dev_attr_temp1_input.dev_attr.attr,
+ &sensor_dev_attr_humidity1_input.dev_attr.attr,
+ &dev_attr_name.attr,
+ NULL,
+};
+
+static const struct attribute_group sht15_attr_group = {
+ .attrs = sht15_attrs,
+};
+
+static irqreturn_t sht15_interrupt_fired(int irq, void *d)
+{
+ struct sht15_data *data = d;
+ /* First disable the interrupt */
+ disable_irq_nosync(irq);
+ atomic_inc(&data->interrupt_handled);
+ /* Then schedule a reading work struct */
+ if (data->flag != SHT15_READING_NOTHING)
+ schedule_work(&data->read_work);
+ return IRQ_HANDLED;
+}
+
+/* Each byte of data is acknowledged by pulling the data line
+ * low for one clock pulse.
+ */
+static void sht15_ack(struct sht15_data *data)
+{
+ gpio_direction_output(data->pdata->gpio_data, 0);
+ ndelay(SHT15_TSU);
+ gpio_set_value(data->pdata->gpio_sck, 1);
+ ndelay(SHT15_TSU);
+ gpio_set_value(data->pdata->gpio_sck, 0);
+ ndelay(SHT15_TSU);
+ gpio_set_value(data->pdata->gpio_data, 1);
+
+ gpio_direction_input(data->pdata->gpio_data);
+}
+/**
+ * sht15_end_transmission() - notify device of end of transmission
+ * @data: device state
+ *
+ * This is basically a NAK. (single clock pulse, data high)
+ **/
+static void sht15_end_transmission(struct sht15_data *data)
+{
+ gpio_direction_output(data->pdata->gpio_data, 1);
+ ndelay(SHT15_TSU);
+ gpio_set_value(data->pdata->gpio_sck, 1);
+ ndelay(SHT15_TSCKH);
+ gpio_set_value(data->pdata->gpio_sck, 0);
+ ndelay(SHT15_TSCKL);
+}
+
+static void sht15_bh_read_data(struct work_struct *work_s)
+{
+ int i;
+ uint16_t val = 0;
+ struct sht15_data *data
+ = container_of(work_s, struct sht15_data,
+ read_work);
+ /* Firstly, verify the line is low */
+ if (gpio_get_value(data->pdata->gpio_data)) {
+ /* If not, then start the interrupt again - care
+ here as could have gone low in meantime so verify
+ it hasn't!
+ */
+ atomic_set(&data->interrupt_handled, 0);
+ enable_irq(gpio_to_irq(data->pdata->gpio_data));
+ /* If still not occured or another handler has been scheduled */
+ if (gpio_get_value(data->pdata->gpio_data)
+ || atomic_read(&data->interrupt_handled))
+ return;
+ }
+ /* Read the data back from the device */
+ for (i = 0; i < 16; ++i) {
+ val <<= 1;
+ gpio_set_value(data->pdata->gpio_sck, 1);
+ ndelay(SHT15_TSCKH);
+ val |= !!gpio_get_value(data->pdata->gpio_data);
+ gpio_set_value(data->pdata->gpio_sck, 0);
+ ndelay(SHT15_TSCKL);
+ if (i == 7)
+ sht15_ack(data);
+ }
+ /* Tell the device we are done */
+ sht15_end_transmission(data);
+
+ switch (data->flag) {
+ case SHT15_READING_TEMP:
+ data->val_temp = val;
+ break;
+ case SHT15_READING_HUMID:
+ data->val_humid = val;
+ break;
+ }
+
+ data->flag = SHT15_READING_NOTHING;
+ wake_up(&data->wait_queue);
+}
+
+static void sht15_update_voltage(struct work_struct *work_s)
+{
+ struct sht15_data *data
+ = container_of(work_s, struct sht15_data,
+ update_supply_work);
+ data->supply_uV = regulator_get_voltage(data->reg);
+}
+
+/**
+ * sht15_invalidate_voltage() - mark supply voltage invalid when notified by reg
+ * @nb: associated notification structure
+ * @event: voltage regulator state change event code
+ * @ignored: function parameter - ignored here
+ *
+ * Note that as the notification code holds the regulator lock, we have
+ * to schedule an update of the supply voltage rather than getting it directly.
+ **/
+static int sht15_invalidate_voltage(struct notifier_block *nb,
+ unsigned long event,
+ void *ignored)
+{
+ struct sht15_data *data = container_of(nb, struct sht15_data, nb);
+
+ if (event == REGULATOR_EVENT_VOLTAGE_CHANGE)
+ data->supply_uV_valid = false;
+ schedule_work(&data->update_supply_work);
+
+ return NOTIFY_OK;
+}
+
+static int __devinit sht15_probe(struct platform_device *pdev)
+{
+ int ret = 0;
+ struct sht15_data *data = kzalloc(sizeof(*data), GFP_KERNEL);
+
+ if (!data) {
+ ret = -ENOMEM;
+ dev_err(&pdev->dev, "kzalloc failed");
+ goto error_ret;
+ }
+
+ INIT_WORK(&data->read_work, sht15_bh_read_data);
+ INIT_WORK(&data->update_supply_work, sht15_update_voltage);
+ platform_set_drvdata(pdev, data);
+ mutex_init(&data->read_lock);
+ data->dev = &pdev->dev;
+ init_waitqueue_head(&data->wait_queue);
+
+ if (pdev->dev.platform_data == NULL) {
+ dev_err(&pdev->dev, "no platform data supplied");
+ goto err_free_data;
+ }
+ data->pdata = pdev->dev.platform_data;
+ data->supply_uV = data->pdata->supply_mv*1000;
+
+/* If a regulator is available, query what the supply voltage actually is!*/
+ data->reg = regulator_get(data->dev, "vcc");
+ if (!IS_ERR(data->reg)) {
+ data->supply_uV = regulator_get_voltage(data->reg);
+ regulator_enable(data->reg);
+ /* setup a notifier block to update this if another device
+ * causes the voltage to change */
+ data->nb.notifier_call = &sht15_invalidate_voltage;
+ ret = regulator_register_notifier(data->reg, &data->nb);
+ }
+/* Try requesting the GPIOs */
+ ret = gpio_request(data->pdata->gpio_sck, "SHT15 sck");
+ if (ret) {
+ dev_err(&pdev->dev, "gpio request failed");
+ goto err_free_data;
+ }
+ gpio_direction_output(data->pdata->gpio_sck, 0);
+ ret = gpio_request(data->pdata->gpio_data, "SHT15 data");
+ if (ret) {
+ dev_err(&pdev->dev, "gpio request failed");
+ goto err_release_gpio_sck;
+ }
+ ret = sysfs_create_group(&pdev->dev.kobj, &sht15_attr_group);
+ if (ret) {
+ dev_err(&pdev->dev, "sysfs create failed");
+ goto err_free_data;
+ }
+
+ ret = request_irq(gpio_to_irq(data->pdata->gpio_data),
+ sht15_interrupt_fired,
+ IRQF_TRIGGER_FALLING,
+ "sht15 data",
+ data);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to get irq for data line");
+ goto err_release_gpio_data;
+ }
+ disable_irq_nosync(gpio_to_irq(data->pdata->gpio_data));
+ sht15_connection_reset(data);
+ sht15_send_cmd(data, 0x1E);
+
+ 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;
+ }
+ return 0;
+
+err_release_gpio_data:
+ gpio_free(data->pdata->gpio_data);
+err_release_gpio_sck:
+ gpio_free(data->pdata->gpio_sck);
+err_free_data:
+ kfree(data);
+error_ret:
+
+ return ret;
+}
+
+static int __devexit sht15_remove(struct platform_device *pdev)
+{
+ struct sht15_data *data = platform_get_drvdata(pdev);
+
+ /* Make sure any reads from the device are done and
+ * prevent new ones beginnning */
+ mutex_lock(&data->read_lock);
+ hwmon_device_unregister(data->hwmon_dev);
+ sysfs_remove_group(&pdev->dev.kobj, &sht15_attr_group);
+ if (!IS_ERR(data->reg)) {
+ regulator_unregister_notifier(data->reg, &data->nb);
+ regulator_disable(data->reg);
+ regulator_put(data->reg);
+ }
+
+ free_irq(gpio_to_irq(data->pdata->gpio_data), data);
+ gpio_free(data->pdata->gpio_data);
+ gpio_free(data->pdata->gpio_sck);
+ mutex_unlock(&data->read_lock);
+ kfree(data);
+ return 0;
+}
+
+
+static struct platform_driver sht_drivers[] = {
+ {
+ .driver = {
+ .name = "sht10",
+ .owner = THIS_MODULE,
+ },
+ .probe = sht15_probe,
+ .remove = sht15_remove,
+ }, {
+ .driver = {
+ .name = "sht11",
+ .owner = THIS_MODULE,
+ },
+ .probe = sht15_probe,
+ .remove = sht15_remove,
+ }, {
+ .driver = {
+ .name = "sht15",
+ .owner = THIS_MODULE,
+ },
+ .probe = sht15_probe,
+ .remove = sht15_remove,
+ }, {
+ .driver = {
+ .name = "sht71",
+ .owner = THIS_MODULE,
+ },
+ .probe = sht15_probe,
+ .remove = sht15_remove,
+ }, {
+ .driver = {
+ .name = "sht75",
+ .owner = THIS_MODULE,
+ },
+ .probe = sht15_probe,
+ .remove = sht15_remove,
+ },
+};
+
+
+static int __init sht15_init(void)
+{
+ int ret;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(sht_drivers); i++) {
+ ret = platform_driver_register(&sht_drivers[i]);
+ if (ret)
+ goto error_unreg;
+ }
+
+ return 0;
+
+error_unreg:
+ while (--i >= 0)
+ platform_driver_unregister(&sht_drivers[i]);
+
+ return ret;
+}
+module_init(sht15_init);
+
+static void __exit sht15_exit(void)
+{
+ int i;
+ for (i = ARRAY_SIZE(sht_drivers) - 1; i >= 0; i--)
+ platform_driver_unregister(&sht_drivers[i]);
+}
+module_exit(sht15_exit);
+
+MODULE_LICENSE("GPL");
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index feae743ba991..e64b42058b21 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -36,6 +36,7 @@
w83627ehf 10 5 4 3 0x8850 0x88 0x5ca3
0x8860 0xa1
w83627dhg 9 5 4 3 0xa020 0xc1 0x5ca3
+ w83667hg 9 5 3 3 0xa510 0xc1 0x5ca3
*/
#include <linux/module.h>
@@ -52,12 +53,13 @@
#include <asm/io.h>
#include "lm75.h"
-enum kinds { w83627ehf, w83627dhg };
+enum kinds { w83627ehf, w83627dhg, w83667hg };
/* used to set data->name = w83627ehf_device_names[data->sio_kind] */
static const char * w83627ehf_device_names[] = {
"w83627ehf",
"w83627dhg",
+ "w83667hg",
};
static unsigned short force_id;
@@ -71,6 +73,7 @@ MODULE_PARM_DESC(force_id, "Override the detected device ID");
*/
#define W83627EHF_LD_HWM 0x0b
+#define W83667HG_LD_VID 0x0d
#define SIO_REG_LDSEL 0x07 /* Logical device select */
#define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */
@@ -83,6 +86,7 @@ MODULE_PARM_DESC(force_id, "Override the detected device ID");
#define SIO_W83627EHF_ID 0x8850
#define SIO_W83627EHG_ID 0x8860
#define SIO_W83627DHG_ID 0xa020
+#define SIO_W83667HG_ID 0xa510
#define SIO_ID_MASK 0xFFF0
static inline void
@@ -289,6 +293,7 @@ struct w83627ehf_data {
u8 pwm_mode[4]; /* 0->DC variable voltage, 1->PWM variable duty cycle */
u8 pwm_enable[4]; /* 1->manual
2->thermal cruise (also called SmartFan I) */
+ u8 pwm_num; /* number of pwm */
u8 pwm[4];
u8 target_temp[4];
u8 tolerance[4];
@@ -298,6 +303,9 @@ struct w83627ehf_data {
u8 vid;
u8 vrm;
+
+ u8 temp3_disable;
+ u8 in6_skip;
};
struct w83627ehf_sio_data {
@@ -866,25 +874,37 @@ show_temp_type(struct device *dev, struct device_attribute *attr, char *buf)
return sprintf(buf, "%d\n", (int)data->temp_type[nr]);
}
-static struct sensor_device_attribute sda_temp[] = {
+static struct sensor_device_attribute sda_temp_input[] = {
SENSOR_ATTR(temp1_input, S_IRUGO, show_temp1, NULL, 0),
SENSOR_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 0),
SENSOR_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 1),
+};
+
+static struct sensor_device_attribute sda_temp_max[] = {
SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp1_max,
store_temp1_max, 0),
SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR, show_temp_max,
store_temp_max, 0),
SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR, show_temp_max,
store_temp_max, 1),
+};
+
+static struct sensor_device_attribute sda_temp_max_hyst[] = {
SENSOR_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp1_max_hyst,
store_temp1_max_hyst, 0),
SENSOR_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
store_temp_max_hyst, 0),
SENSOR_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst,
store_temp_max_hyst, 1),
+};
+
+static struct sensor_device_attribute sda_temp_alarm[] = {
SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4),
SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5),
SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13),
+};
+
+static struct sensor_device_attribute sda_temp_type[] = {
SENSOR_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0),
SENSOR_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1),
SENSOR_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2),
@@ -1181,6 +1201,8 @@ static void w83627ehf_device_remove_files(struct device *dev)
for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++)
device_remove_file(dev, &sda_sf3_arrays_fan4[i].dev_attr);
for (i = 0; i < data->in_num; i++) {
+ if ((i == 6) && data->in6_skip)
+ continue;
device_remove_file(dev, &sda_in_input[i].dev_attr);
device_remove_file(dev, &sda_in_alarm[i].dev_attr);
device_remove_file(dev, &sda_in_min[i].dev_attr);
@@ -1192,15 +1214,22 @@ static void w83627ehf_device_remove_files(struct device *dev)
device_remove_file(dev, &sda_fan_div[i].dev_attr);
device_remove_file(dev, &sda_fan_min[i].dev_attr);
}
- for (i = 0; i < 4; i++) {
+ for (i = 0; i < data->pwm_num; i++) {
device_remove_file(dev, &sda_pwm[i].dev_attr);
device_remove_file(dev, &sda_pwm_mode[i].dev_attr);
device_remove_file(dev, &sda_pwm_enable[i].dev_attr);
device_remove_file(dev, &sda_target_temp[i].dev_attr);
device_remove_file(dev, &sda_tolerance[i].dev_attr);
}
- for (i = 0; i < ARRAY_SIZE(sda_temp); i++)
- device_remove_file(dev, &sda_temp[i].dev_attr);
+ for (i = 0; i < 3; i++) {
+ if ((i == 2) && data->temp3_disable)
+ continue;
+ device_remove_file(dev, &sda_temp_input[i].dev_attr);
+ device_remove_file(dev, &sda_temp_max[i].dev_attr);
+ device_remove_file(dev, &sda_temp_max_hyst[i].dev_attr);
+ device_remove_file(dev, &sda_temp_alarm[i].dev_attr);
+ device_remove_file(dev, &sda_temp_type[i].dev_attr);
+ }
device_remove_file(dev, &dev_attr_name);
device_remove_file(dev, &dev_attr_cpu0_vid);
@@ -1222,6 +1251,8 @@ static inline void __devinit w83627ehf_init_device(struct w83627ehf_data *data)
for (i = 0; i < 2; i++) {
tmp = w83627ehf_read_value(data,
W83627EHF_REG_TEMP_CONFIG[i]);
+ if ((i == 1) && data->temp3_disable)
+ continue;
if (tmp & 0x01)
w83627ehf_write_value(data,
W83627EHF_REG_TEMP_CONFIG[i],
@@ -1272,8 +1303,17 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
data->name = w83627ehf_device_names[sio_data->kind];
platform_set_drvdata(pdev, data);
- /* 627EHG and 627EHF have 10 voltage inputs; DHG has 9 */
- data->in_num = (sio_data->kind == w83627dhg) ? 9 : 10;
+ /* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */
+ data->in_num = (sio_data->kind == w83627ehf) ? 10 : 9;
+ /* 667HG has 3 pwms */
+ data->pwm_num = (sio_data->kind == w83667hg) ? 3 : 4;
+
+ /* Check temp3 configuration bit for 667HG */
+ if (sio_data->kind == w83667hg) {
+ data->temp3_disable = w83627ehf_read_value(data,
+ W83627EHF_REG_TEMP_CONFIG[1]) & 0x01;
+ data->in6_skip = !data->temp3_disable;
+ }
/* Initialize the chip */
w83627ehf_init_device(data);
@@ -1281,44 +1321,64 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
data->vrm = vid_which_vrm();
superio_enter(sio_data->sioreg);
/* Read VID value */
- superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
- if (superio_inb(sio_data->sioreg, SIO_REG_VID_CTRL) & 0x80) {
- /* Set VID input sensibility if needed. In theory the BIOS
- should have set it, but in practice it's not always the
- case. We only do it for the W83627EHF/EHG because the
- W83627DHG is more complex in this respect. */
- if (sio_data->kind == w83627ehf) {
- en_vrm10 = superio_inb(sio_data->sioreg,
- SIO_REG_EN_VRM10);
- if ((en_vrm10 & 0x08) && data->vrm == 90) {
- dev_warn(dev, "Setting VID input voltage to "
- "TTL\n");
- superio_outb(sio_data->sioreg, SIO_REG_EN_VRM10,
- en_vrm10 & ~0x08);
- } else if (!(en_vrm10 & 0x08) && data->vrm == 100) {
- dev_warn(dev, "Setting VID input voltage to "
- "VRM10\n");
- superio_outb(sio_data->sioreg, SIO_REG_EN_VRM10,
- en_vrm10 | 0x08);
- }
- }
-
- data->vid = superio_inb(sio_data->sioreg, SIO_REG_VID_DATA);
- if (sio_data->kind == w83627ehf) /* 6 VID pins only */
- data->vid &= 0x3f;
-
+ if (sio_data->kind == w83667hg) {
+ /* W83667HG has different pins for VID input and output, so
+ we can get the VID input values directly at logical device D
+ 0xe3. */
+ superio_select(sio_data->sioreg, W83667HG_LD_VID);
+ data->vid = superio_inb(sio_data->sioreg, 0xe3);
err = device_create_file(dev, &dev_attr_cpu0_vid);
if (err)
goto exit_release;
} else {
- dev_info(dev, "VID pins in output mode, CPU VID not "
- "available\n");
+ superio_select(sio_data->sioreg, W83627EHF_LD_HWM);
+ if (superio_inb(sio_data->sioreg, SIO_REG_VID_CTRL) & 0x80) {
+ /* Set VID input sensibility if needed. In theory the
+ BIOS should have set it, but in practice it's not
+ always the case. We only do it for the W83627EHF/EHG
+ because the W83627DHG is more complex in this
+ respect. */
+ if (sio_data->kind == w83627ehf) {
+ en_vrm10 = superio_inb(sio_data->sioreg,
+ SIO_REG_EN_VRM10);
+ if ((en_vrm10 & 0x08) && data->vrm == 90) {
+ dev_warn(dev, "Setting VID input "
+ "voltage to TTL\n");
+ superio_outb(sio_data->sioreg,
+ SIO_REG_EN_VRM10,
+ en_vrm10 & ~0x08);
+ } else if (!(en_vrm10 & 0x08)
+ && data->vrm == 100) {
+ dev_warn(dev, "Setting VID input "
+ "voltage to VRM10\n");
+ superio_outb(sio_data->sioreg,
+ SIO_REG_EN_VRM10,
+ en_vrm10 | 0x08);
+ }
+ }
+
+ data->vid = superio_inb(sio_data->sioreg,
+ SIO_REG_VID_DATA);
+ if (sio_data->kind == w83627ehf) /* 6 VID pins only */
+ data->vid &= 0x3f;
+
+ err = device_create_file(dev, &dev_attr_cpu0_vid);
+ if (err)
+ goto exit_release;
+ } else {
+ dev_info(dev, "VID pins in output mode, CPU VID not "
+ "available\n");
+ }
}
/* fan4 and fan5 share some pins with the GPIO and serial flash */
-
- fan5pin = superio_inb(sio_data->sioreg, 0x24) & 0x2;
- fan4pin = superio_inb(sio_data->sioreg, 0x29) & 0x6;
+ if (sio_data->kind == w83667hg) {
+ fan5pin = superio_inb(sio_data->sioreg, 0x27) & 0x20;
+ fan4pin = superio_inb(sio_data->sioreg, 0x27) & 0x40;
+ } else {
+ fan5pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x02);
+ fan4pin = !(superio_inb(sio_data->sioreg, 0x29) & 0x06);
+ }
superio_exit(sio_data->sioreg);
/* It looks like fan4 and fan5 pins can be alternatively used
@@ -1329,9 +1389,9 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
data->has_fan = 0x07; /* fan1, fan2 and fan3 */
i = w83627ehf_read_value(data, W83627EHF_REG_FANDIV1);
- if ((i & (1 << 2)) && (!fan4pin))
+ if ((i & (1 << 2)) && fan4pin)
data->has_fan |= (1 << 3);
- if (!(i & (1 << 1)) && (!fan5pin))
+ if (!(i & (1 << 1)) && fan5pin)
data->has_fan |= (1 << 4);
/* Read fan clock dividers immediately */
@@ -1344,14 +1404,16 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
goto exit_remove;
/* if fan4 is enabled create the sf3 files for it */
- if (data->has_fan & (1 << 3))
+ if ((data->has_fan & (1 << 3)) && data->pwm_num >= 4)
for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) {
if ((err = device_create_file(dev,
&sda_sf3_arrays_fan4[i].dev_attr)))
goto exit_remove;
}
- for (i = 0; i < data->in_num; i++)
+ for (i = 0; i < data->in_num; i++) {
+ if ((i == 6) && data->in6_skip)
+ continue;
if ((err = device_create_file(dev, &sda_in_input[i].dev_attr))
|| (err = device_create_file(dev,
&sda_in_alarm[i].dev_attr))
@@ -1360,6 +1422,7 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
|| (err = device_create_file(dev,
&sda_in_max[i].dev_attr)))
goto exit_remove;
+ }
for (i = 0; i < 5; i++) {
if (data->has_fan & (1 << i)) {
@@ -1372,7 +1435,7 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
|| (err = device_create_file(dev,
&sda_fan_min[i].dev_attr)))
goto exit_remove;
- if (i < 4 && /* w83627ehf only has 4 pwm */
+ if (i < data->pwm_num &&
((err = device_create_file(dev,
&sda_pwm[i].dev_attr))
|| (err = device_create_file(dev,
@@ -1387,9 +1450,21 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
}
}
- for (i = 0; i < ARRAY_SIZE(sda_temp); i++)
- if ((err = device_create_file(dev, &sda_temp[i].dev_attr)))
+ for (i = 0; i < 3; i++) {
+ if ((i == 2) && data->temp3_disable)
+ continue;
+ if ((err = device_create_file(dev,
+ &sda_temp_input[i].dev_attr))
+ || (err = device_create_file(dev,
+ &sda_temp_max[i].dev_attr))
+ || (err = device_create_file(dev,
+ &sda_temp_max_hyst[i].dev_attr))
+ || (err = device_create_file(dev,
+ &sda_temp_alarm[i].dev_attr))
+ || (err = device_create_file(dev,
+ &sda_temp_type[i].dev_attr)))
goto exit_remove;
+ }
err = device_create_file(dev, &dev_attr_name);
if (err)
@@ -1442,6 +1517,7 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr,
static const char __initdata sio_name_W83627EHF[] = "W83627EHF";
static const char __initdata sio_name_W83627EHG[] = "W83627EHG";
static const char __initdata sio_name_W83627DHG[] = "W83627DHG";
+ static const char __initdata sio_name_W83667HG[] = "W83667HG";
u16 val;
const char *sio_name;
@@ -1466,6 +1542,10 @@ static int __init w83627ehf_find(int sioaddr, unsigned short *addr,
sio_data->kind = w83627dhg;
sio_name = sio_name_W83627DHG;
break;
+ case SIO_W83667HG_ID:
+ sio_data->kind = w83667hg;
+ sio_name = sio_name_W83667HG;
+ break;
default:
if (val != 0xffff)
pr_debug(DRVNAME ": unsupported chip ID: 0x%04x\n",
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.