mirror of https://github.com/hak5/openwrt.git
kernel: move the gateworks system controller driver to an out-of-tree package
Signed-off-by: Felix Fietkau <nbd@nbd.name>lede-17.01
Felix Fietkau
parent
c00e5a4f09
commit
acd0c8c178
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@ -0,0 +1,30 @@
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include $(TOPDIR)/rules.mk
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include $(INCLUDE_DIR)/kernel.mk
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PKG_NAME:=hwmon-gsc
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PKG_RELEASE:=1
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include $(INCLUDE_DIR)/package.mk
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define KernelPackage/hwmon-gsc
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SUBMENU:=Hardware Monitoring Support
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DEPENDS:=@TARGET_imx6||TARGET_cns3xxx kmod-hwmon-core +kmod-i2c-core
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TITLE:=Driver for the Gateworks System Controller
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AUTOLOAD:=$(call AutoLoad,60,gsc)
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FILES:=$(PKG_BUILD_DIR)/gsc.ko
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endef
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define KernelPackage/hwmon-gsc/description
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Kernel module for the Gateworks System Controller chips.
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endef
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define Build/Compile
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$(MAKE) -C "$(LINUX_DIR)" \
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CROSS_COMPILE="$(TARGET_CROSS)" \
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ARCH="$(LINUX_KARCH)" \
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SUBDIRS="$(PKG_BUILD_DIR)" \
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EXTRA_CFLAGS="$(BUILDFLAGS)" \
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modules
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endef
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$(eval $(call KernelPackage,hwmon-gsc))
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@ -0,0 +1 @@
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obj-m := gsc.o
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@ -0,0 +1,308 @@
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/*
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* A hwmon driver for the Gateworks System Controller
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* Copyright (C) 2009 Gateworks Corporation
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*
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* Author: Chris Lang <clang@gateworks.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License,
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* as published by the Free Software Foundation - version 2.
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*/
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#include <linux/module.h>
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#include <linux/i2c.h>
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#include <linux/hwmon.h>
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#include <linux/hwmon-sysfs.h>
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#include <linux/err.h>
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#include <linux/slab.h>
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#define DRV_VERSION "0.2"
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enum chips { gsp };
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/* AD7418 registers */
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#define GSP_REG_TEMP_IN 0x00
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#define GSP_REG_VIN 0x02
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#define GSP_REG_3P3 0x05
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#define GSP_REG_BAT 0x08
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#define GSP_REG_5P0 0x0b
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#define GSP_REG_CORE 0x0e
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#define GSP_REG_CPU1 0x11
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#define GSP_REG_CPU2 0x14
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#define GSP_REG_DRAM 0x17
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#define GSP_REG_EXT_BAT 0x1a
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#define GSP_REG_IO1 0x1d
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#define GSP_REG_IO2 0x20
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#define GSP_REG_PCIE 0x23
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#define GSP_REG_CURRENT 0x26
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#define GSP_FAN_0 0x2C
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#define GSP_FAN_1 0x2E
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#define GSP_FAN_2 0x30
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#define GSP_FAN_3 0x32
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#define GSP_FAN_4 0x34
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#define GSP_FAN_5 0x36
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struct gsp_sensor_info {
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const char* name;
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int reg;
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};
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static const struct gsp_sensor_info gsp_sensors[] = {
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{"temp", GSP_REG_TEMP_IN},
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{"vin", GSP_REG_VIN},
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{"3p3", GSP_REG_3P3},
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{"bat", GSP_REG_BAT},
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{"5p0", GSP_REG_5P0},
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{"core", GSP_REG_CORE},
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{"cpu1", GSP_REG_CPU1},
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{"cpu2", GSP_REG_CPU2},
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{"dram", GSP_REG_DRAM},
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{"ext_bat", GSP_REG_EXT_BAT},
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{"io1", GSP_REG_IO1},
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{"io2", GSP_REG_IO2},
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{"pci2", GSP_REG_PCIE},
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{"current", GSP_REG_CURRENT},
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{"fan_point0", GSP_FAN_0},
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{"fan_point1", GSP_FAN_1},
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{"fan_point2", GSP_FAN_2},
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{"fan_point3", GSP_FAN_3},
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{"fan_point4", GSP_FAN_4},
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{"fan_point5", GSP_FAN_5},
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};
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struct gsp_data {
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struct device *hwmon_dev;
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struct attribute_group attrs;
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enum chips type;
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};
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static int gsp_probe(struct i2c_client *client,
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const struct i2c_device_id *id);
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static int gsp_remove(struct i2c_client *client);
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static const struct i2c_device_id gsp_id[] = {
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{ "gsp", 0 },
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{ }
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};
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MODULE_DEVICE_TABLE(i2c, gsp_id);
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static struct i2c_driver gsp_driver = {
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.driver = {
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.name = "gsp",
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},
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.probe = gsp_probe,
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.remove = gsp_remove,
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.id_table = gsp_id,
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};
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/* All registers are word-sized, except for the configuration registers.
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* AD7418 uses a high-byte first convention. Do NOT use those functions to
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* access the configuration registers CONF and CONF2, as they are byte-sized.
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*/
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static inline int gsp_read(struct i2c_client *client, u8 reg)
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{
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unsigned int adc = 0;
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if (reg == GSP_REG_TEMP_IN || reg > GSP_REG_CURRENT)
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{
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adc |= i2c_smbus_read_byte_data(client, reg);
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adc |= i2c_smbus_read_byte_data(client, reg + 1) << 8;
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return adc;
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}
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else
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{
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adc |= i2c_smbus_read_byte_data(client, reg);
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adc |= i2c_smbus_read_byte_data(client, reg + 1) << 8;
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adc |= i2c_smbus_read_byte_data(client, reg + 2) << 16;
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return adc;
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}
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}
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static inline int gsp_write(struct i2c_client *client, u8 reg, u16 value)
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{
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i2c_smbus_write_byte_data(client, reg, value & 0xff);
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i2c_smbus_write_byte_data(client, reg + 1, ((value >> 8) & 0xff));
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return 1;
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}
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static ssize_t show_adc(struct device *dev, struct device_attribute *devattr,
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char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct i2c_client *client = to_i2c_client(dev);
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return sprintf(buf, "%d\n", gsp_read(client, gsp_sensors[attr->index].reg));
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}
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static ssize_t show_label(struct device *dev,
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struct device_attribute *devattr, char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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return sprintf(buf, "%s\n", gsp_sensors[attr->index].name);
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}
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static ssize_t store_fan(struct device *dev,
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struct device_attribute *devattr, const char *buf, size_t count)
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{
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u16 val;
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
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struct i2c_client *client = to_i2c_client(dev);
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val = simple_strtoul(buf, NULL, 10);
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gsp_write(client, gsp_sensors[attr->index].reg, val);
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return count;
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}
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static SENSOR_DEVICE_ATTR(temp0_input, S_IRUGO, show_adc, NULL, 0);
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static SENSOR_DEVICE_ATTR(temp0_label, S_IRUGO, show_label, NULL, 0);
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static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_adc, NULL, 1);
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static SENSOR_DEVICE_ATTR(in0_label, S_IRUGO, show_label, NULL, 1);
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static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_adc, NULL, 2);
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static SENSOR_DEVICE_ATTR(in1_label, S_IRUGO, show_label, NULL, 2);
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static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_adc, NULL, 3);
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static SENSOR_DEVICE_ATTR(in2_label, S_IRUGO, show_label, NULL, 3);
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static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_adc, NULL, 4);
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static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_label, NULL, 4);
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static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_adc, NULL, 5);
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static SENSOR_DEVICE_ATTR(in4_label, S_IRUGO, show_label, NULL, 5);
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static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_adc, NULL, 6);
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static SENSOR_DEVICE_ATTR(in5_label, S_IRUGO, show_label, NULL, 6);
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static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_adc, NULL, 7);
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static SENSOR_DEVICE_ATTR(in6_label, S_IRUGO, show_label, NULL, 7);
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static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_adc, NULL, 8);
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static SENSOR_DEVICE_ATTR(in7_label, S_IRUGO, show_label, NULL, 8);
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static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_adc, NULL, 9);
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static SENSOR_DEVICE_ATTR(in8_label, S_IRUGO, show_label, NULL, 9);
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static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_adc, NULL, 10);
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static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_label, NULL, 10);
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static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_adc, NULL, 11);
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static SENSOR_DEVICE_ATTR(in10_label, S_IRUGO, show_label, NULL, 11);
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static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, show_adc, NULL, 12);
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static SENSOR_DEVICE_ATTR(in11_label, S_IRUGO, show_label, NULL, 12);
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static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, show_adc, NULL, 13);
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static SENSOR_DEVICE_ATTR(in12_label, S_IRUGO, show_label, NULL, 13);
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static SENSOR_DEVICE_ATTR(fan0_point0, S_IRUGO | S_IWUSR, show_adc, store_fan, 14);
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static SENSOR_DEVICE_ATTR(fan0_point1, S_IRUGO | S_IWUSR, show_adc, store_fan, 15);
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static SENSOR_DEVICE_ATTR(fan0_point2, S_IRUGO | S_IWUSR, show_adc, store_fan, 16);
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static SENSOR_DEVICE_ATTR(fan0_point3, S_IRUGO | S_IWUSR, show_adc, store_fan, 17);
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static SENSOR_DEVICE_ATTR(fan0_point4, S_IRUGO | S_IWUSR, show_adc, store_fan, 18);
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static SENSOR_DEVICE_ATTR(fan0_point5, S_IRUGO | S_IWUSR, show_adc, store_fan, 19);
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static struct attribute *gsp_attributes[] = {
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&sensor_dev_attr_temp0_input.dev_attr.attr,
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&sensor_dev_attr_in0_input.dev_attr.attr,
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&sensor_dev_attr_in1_input.dev_attr.attr,
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&sensor_dev_attr_in2_input.dev_attr.attr,
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&sensor_dev_attr_in3_input.dev_attr.attr,
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&sensor_dev_attr_in4_input.dev_attr.attr,
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&sensor_dev_attr_in5_input.dev_attr.attr,
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&sensor_dev_attr_in6_input.dev_attr.attr,
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&sensor_dev_attr_in7_input.dev_attr.attr,
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&sensor_dev_attr_in8_input.dev_attr.attr,
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&sensor_dev_attr_in9_input.dev_attr.attr,
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&sensor_dev_attr_in10_input.dev_attr.attr,
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&sensor_dev_attr_in11_input.dev_attr.attr,
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&sensor_dev_attr_in12_input.dev_attr.attr,
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&sensor_dev_attr_temp0_label.dev_attr.attr,
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&sensor_dev_attr_in0_label.dev_attr.attr,
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&sensor_dev_attr_in1_label.dev_attr.attr,
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&sensor_dev_attr_in2_label.dev_attr.attr,
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&sensor_dev_attr_in3_label.dev_attr.attr,
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&sensor_dev_attr_in4_label.dev_attr.attr,
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&sensor_dev_attr_in5_label.dev_attr.attr,
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&sensor_dev_attr_in6_label.dev_attr.attr,
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&sensor_dev_attr_in7_label.dev_attr.attr,
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&sensor_dev_attr_in8_label.dev_attr.attr,
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&sensor_dev_attr_in9_label.dev_attr.attr,
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&sensor_dev_attr_in10_label.dev_attr.attr,
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&sensor_dev_attr_in11_label.dev_attr.attr,
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&sensor_dev_attr_in12_label.dev_attr.attr,
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&sensor_dev_attr_fan0_point0.dev_attr.attr,
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&sensor_dev_attr_fan0_point1.dev_attr.attr,
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&sensor_dev_attr_fan0_point2.dev_attr.attr,
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&sensor_dev_attr_fan0_point3.dev_attr.attr,
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&sensor_dev_attr_fan0_point4.dev_attr.attr,
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&sensor_dev_attr_fan0_point5.dev_attr.attr,
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NULL
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};
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static int gsp_probe(struct i2c_client *client,
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const struct i2c_device_id *id)
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{
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struct i2c_adapter *adapter = client->adapter;
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struct gsp_data *data;
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int err;
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if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
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I2C_FUNC_SMBUS_WORD_DATA)) {
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err = -EOPNOTSUPP;
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goto exit;
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}
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if (!(data = kzalloc(sizeof(struct gsp_data), GFP_KERNEL))) {
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err = -ENOMEM;
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goto exit;
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}
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i2c_set_clientdata(client, data);
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data->type = id->driver_data;
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switch (data->type) {
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case 0:
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data->attrs.attrs = gsp_attributes;
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break;
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}
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dev_info(&client->dev, "%s chip found\n", client->name);
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/* Register sysfs hooks */
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if ((err = sysfs_create_group(&client->dev.kobj, &data->attrs)))
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goto exit_free;
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data->hwmon_dev = hwmon_device_register(&client->dev);
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if (IS_ERR(data->hwmon_dev)) {
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err = PTR_ERR(data->hwmon_dev);
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goto exit_remove;
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}
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return 0;
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exit_remove:
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sysfs_remove_group(&client->dev.kobj, &data->attrs);
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exit_free:
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kfree(data);
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exit:
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return err;
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}
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static int gsp_remove(struct i2c_client *client)
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{
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struct gsp_data *data = i2c_get_clientdata(client);
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hwmon_device_unregister(data->hwmon_dev);
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sysfs_remove_group(&client->dev.kobj, &data->attrs);
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kfree(data);
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return 0;
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}
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static int __init gsp_init(void)
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{
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return i2c_add_driver(&gsp_driver);
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}
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static void __exit gsp_exit(void)
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{
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i2c_del_driver(&gsp_driver);
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}
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module_init(gsp_init);
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module_exit(gsp_exit);
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MODULE_AUTHOR("Chris Lang <clang@gateworks.com>");
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MODULE_DESCRIPTION("GSC HWMON driver");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(DRV_VERSION);
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@ -313,21 +313,6 @@ endef
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$(eval $(call KernelPackage,hwmon-w83793))
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define KernelPackage/hwmon-gsc
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TITLE:=Gateworks GSC monitoring support
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KCONFIG:=CONFIG_SENSORS_GSC
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FILES:=$(LINUX_DIR)/drivers/hwmon/gsc.ko
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AUTOLOAD:=$(call AutoLoad,60,gsc)
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$(call AddDepends/hwmon,+kmod-i2c-core)
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endef
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define KernelPackage/hwmon-gsc/description
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Kernel module for the Gateworks System Controller chips.
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endef
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$(eval $(call KernelPackage,hwmon-gsc))
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define KernelPackage/hwmon-tmp102
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TITLE:=Texas Instruments TMP102 monitoring support
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KCONFIG:=CONFIG_SENSORS_TMP102
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@ -1,339 +0,0 @@
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--- a/drivers/hwmon/Kconfig
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+++ b/drivers/hwmon/Kconfig
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@@ -507,6 +507,15 @@ config SENSORS_G762
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This driver can also be built as a module. If so, the module
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will be called g762.
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+config SENSORS_GSC
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+ tristate "Gateworks System Controller"
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+ depends on I2C
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+ help
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+ If you say yes here you get support for the Gateworks System Controller.
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+
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+ This driver can also be built as a module. If so, the module
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+ will be called gsc.
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+
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config SENSORS_GPIO_FAN
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tristate "GPIO fan"
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depends on GPIOLIB
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--- a/drivers/hwmon/Makefile
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+++ b/drivers/hwmon/Makefile
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@@ -153,6 +153,7 @@ obj-$(CONFIG_SENSORS_W83L785TS) += w83l7
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obj-$(CONFIG_SENSORS_W83L786NG) += w83l786ng.o
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obj-$(CONFIG_SENSORS_WM831X) += wm831x-hwmon.o
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obj-$(CONFIG_SENSORS_WM8350) += wm8350-hwmon.o
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+obj-$(CONFIG_SENSORS_GSC) += gsc.o
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obj-$(CONFIG_PMBUS) += pmbus/
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--- /dev/null
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+++ b/drivers/hwmon/gsc.c
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@@ -0,0 +1,308 @@
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+/*
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+ * A hwmon driver for the Gateworks System Controller
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+ * Copyright (C) 2009 Gateworks Corporation
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+ *
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+ * Author: Chris Lang <clang@gateworks.com>
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License,
|
||||
+ * as published by the Free Software Foundation - version 2.
|
||||
+ */
|
||||
+
|
||||
+#include <linux/module.h>
|
||||
+#include <linux/i2c.h>
|
||||
+#include <linux/hwmon.h>
|
||||
+#include <linux/hwmon-sysfs.h>
|
||||
+#include <linux/err.h>
|
||||
+#include <linux/slab.h>
|
||||
+
|
||||
+#define DRV_VERSION "0.2"
|
||||
+
|
||||
+enum chips { gsp };
|
||||
+
|
||||
+/* AD7418 registers */
|
||||
+#define GSP_REG_TEMP_IN 0x00
|
||||
+#define GSP_REG_VIN 0x02
|
||||
+#define GSP_REG_3P3 0x05
|
||||
+#define GSP_REG_BAT 0x08
|
||||
+#define GSP_REG_5P0 0x0b
|
||||
+#define GSP_REG_CORE 0x0e
|
||||
+#define GSP_REG_CPU1 0x11
|
||||
+#define GSP_REG_CPU2 0x14
|
||||
+#define GSP_REG_DRAM 0x17
|
||||
+#define GSP_REG_EXT_BAT 0x1a
|
||||
+#define GSP_REG_IO1 0x1d
|
||||
+#define GSP_REG_IO2 0x20
|
||||
+#define GSP_REG_PCIE 0x23
|
||||
+#define GSP_REG_CURRENT 0x26
|
||||
+#define GSP_FAN_0 0x2C
|
||||
+#define GSP_FAN_1 0x2E
|
||||
+#define GSP_FAN_2 0x30
|
||||
+#define GSP_FAN_3 0x32
|
||||
+#define GSP_FAN_4 0x34
|
||||
+#define GSP_FAN_5 0x36
|
||||
+
|
||||
+struct gsp_sensor_info {
|
||||
+ const char* name;
|
||||
+ int reg;
|
||||
+};
|
||||
+
|
||||
+static const struct gsp_sensor_info gsp_sensors[] = {
|
||||
+ {"temp", GSP_REG_TEMP_IN},
|
||||
+ {"vin", GSP_REG_VIN},
|
||||
+ {"3p3", GSP_REG_3P3},
|
||||
+ {"bat", GSP_REG_BAT},
|
||||
+ {"5p0", GSP_REG_5P0},
|
||||
+ {"core", GSP_REG_CORE},
|
||||
+ {"cpu1", GSP_REG_CPU1},
|
||||
+ {"cpu2", GSP_REG_CPU2},
|
||||
+ {"dram", GSP_REG_DRAM},
|
||||
+ {"ext_bat", GSP_REG_EXT_BAT},
|
||||
+ {"io1", GSP_REG_IO1},
|
||||
+ {"io2", GSP_REG_IO2},
|
||||
+ {"pci2", GSP_REG_PCIE},
|
||||
+ {"current", GSP_REG_CURRENT},
|
||||
+ {"fan_point0", GSP_FAN_0},
|
||||
+ {"fan_point1", GSP_FAN_1},
|
||||
+ {"fan_point2", GSP_FAN_2},
|
||||
+ {"fan_point3", GSP_FAN_3},
|
||||
+ {"fan_point4", GSP_FAN_4},
|
||||
+ {"fan_point5", GSP_FAN_5},
|
||||
+};
|
||||
+
|
||||
+struct gsp_data {
|
||||
+ struct device *hwmon_dev;
|
||||
+ struct attribute_group attrs;
|
||||
+ enum chips type;
|
||||
+};
|
||||
+
|
||||
+static int gsp_probe(struct i2c_client *client,
|
||||
+ const struct i2c_device_id *id);
|
||||
+static int gsp_remove(struct i2c_client *client);
|
||||
+
|
||||
+static const struct i2c_device_id gsp_id[] = {
|
||||
+ { "gsp", 0 },
|
||||
+ { }
|
||||
+};
|
||||
+MODULE_DEVICE_TABLE(i2c, gsp_id);
|
||||
+
|
||||
+static struct i2c_driver gsp_driver = {
|
||||
+ .driver = {
|
||||
+ .name = "gsp",
|
||||
+ },
|
||||
+ .probe = gsp_probe,
|
||||
+ .remove = gsp_remove,
|
||||
+ .id_table = gsp_id,
|
||||
+};
|
||||
+
|
||||
+/* All registers are word-sized, except for the configuration registers.
|
||||
+ * AD7418 uses a high-byte first convention. Do NOT use those functions to
|
||||
+ * access the configuration registers CONF and CONF2, as they are byte-sized.
|
||||
+ */
|
||||
+static inline int gsp_read(struct i2c_client *client, u8 reg)
|
||||
+{
|
||||
+ unsigned int adc = 0;
|
||||
+ if (reg == GSP_REG_TEMP_IN || reg > GSP_REG_CURRENT)
|
||||
+ {
|
||||
+ adc |= i2c_smbus_read_byte_data(client, reg);
|
||||
+ adc |= i2c_smbus_read_byte_data(client, reg + 1) << 8;
|
||||
+ return adc;
|
||||
+ }
|
||||
+ else
|
||||
+ {
|
||||
+ adc |= i2c_smbus_read_byte_data(client, reg);
|
||||
+ adc |= i2c_smbus_read_byte_data(client, reg + 1) << 8;
|
||||
+ adc |= i2c_smbus_read_byte_data(client, reg + 2) << 16;
|
||||
+ return adc;
|
||||
+ }
|
||||
+}
|
||||
+
|
||||
+static inline int gsp_write(struct i2c_client *client, u8 reg, u16 value)
|
||||
+{
|
||||
+ i2c_smbus_write_byte_data(client, reg, value & 0xff);
|
||||
+ i2c_smbus_write_byte_data(client, reg + 1, ((value >> 8) & 0xff));
|
||||
+ return 1;
|
||||
+}
|
||||
+
|
||||
+static ssize_t show_adc(struct device *dev, struct device_attribute *devattr,
|
||||
+ char *buf)
|
||||
+{
|
||||
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
||||
+ struct i2c_client *client = to_i2c_client(dev);
|
||||
+ return sprintf(buf, "%d\n", gsp_read(client, gsp_sensors[attr->index].reg));
|
||||
+}
|
||||
+
|
||||
+static ssize_t show_label(struct device *dev,
|
||||
+ struct device_attribute *devattr, char *buf)
|
||||
+{
|
||||
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
||||
+
|
||||
+ return sprintf(buf, "%s\n", gsp_sensors[attr->index].name);
|
||||
+}
|
||||
+
|
||||
+static ssize_t store_fan(struct device *dev,
|
||||
+ struct device_attribute *devattr, const char *buf, size_t count)
|
||||
+{
|
||||
+ u16 val;
|
||||
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
||||
+ struct i2c_client *client = to_i2c_client(dev);
|
||||
+ val = simple_strtoul(buf, NULL, 10);
|
||||
+ gsp_write(client, gsp_sensors[attr->index].reg, val);
|
||||
+ return count;
|
||||
+}
|
||||
+
|
||||
+static SENSOR_DEVICE_ATTR(temp0_input, S_IRUGO, show_adc, NULL, 0);
|
||||
+static SENSOR_DEVICE_ATTR(temp0_label, S_IRUGO, show_label, NULL, 0);
|
||||
+
|
||||
+static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_adc, NULL, 1);
|
||||
+static SENSOR_DEVICE_ATTR(in0_label, S_IRUGO, show_label, NULL, 1);
|
||||
+static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_adc, NULL, 2);
|
||||
+static SENSOR_DEVICE_ATTR(in1_label, S_IRUGO, show_label, NULL, 2);
|
||||
+static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_adc, NULL, 3);
|
||||
+static SENSOR_DEVICE_ATTR(in2_label, S_IRUGO, show_label, NULL, 3);
|
||||
+static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_adc, NULL, 4);
|
||||
+static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_label, NULL, 4);
|
||||
+static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_adc, NULL, 5);
|
||||
+static SENSOR_DEVICE_ATTR(in4_label, S_IRUGO, show_label, NULL, 5);
|
||||
+static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_adc, NULL, 6);
|
||||
+static SENSOR_DEVICE_ATTR(in5_label, S_IRUGO, show_label, NULL, 6);
|
||||
+static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_adc, NULL, 7);
|
||||
+static SENSOR_DEVICE_ATTR(in6_label, S_IRUGO, show_label, NULL, 7);
|
||||
+static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_adc, NULL, 8);
|
||||
+static SENSOR_DEVICE_ATTR(in7_label, S_IRUGO, show_label, NULL, 8);
|
||||
+static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_adc, NULL, 9);
|
||||
+static SENSOR_DEVICE_ATTR(in8_label, S_IRUGO, show_label, NULL, 9);
|
||||
+static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_adc, NULL, 10);
|
||||
+static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_label, NULL, 10);
|
||||
+static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_adc, NULL, 11);
|
||||
+static SENSOR_DEVICE_ATTR(in10_label, S_IRUGO, show_label, NULL, 11);
|
||||
+static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, show_adc, NULL, 12);
|
||||
+static SENSOR_DEVICE_ATTR(in11_label, S_IRUGO, show_label, NULL, 12);
|
||||
+static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, show_adc, NULL, 13);
|
||||
+static SENSOR_DEVICE_ATTR(in12_label, S_IRUGO, show_label, NULL, 13);
|
||||
+
|
||||
+static SENSOR_DEVICE_ATTR(fan0_point0, S_IRUGO | S_IWUSR, show_adc, store_fan, 14);
|
||||
+static SENSOR_DEVICE_ATTR(fan0_point1, S_IRUGO | S_IWUSR, show_adc, store_fan, 15);
|
||||
+static SENSOR_DEVICE_ATTR(fan0_point2, S_IRUGO | S_IWUSR, show_adc, store_fan, 16);
|
||||
+static SENSOR_DEVICE_ATTR(fan0_point3, S_IRUGO | S_IWUSR, show_adc, store_fan, 17);
|
||||
+static SENSOR_DEVICE_ATTR(fan0_point4, S_IRUGO | S_IWUSR, show_adc, store_fan, 18);
|
||||
+static SENSOR_DEVICE_ATTR(fan0_point5, S_IRUGO | S_IWUSR, show_adc, store_fan, 19);
|
||||
+
|
||||
+static struct attribute *gsp_attributes[] = {
|
||||
+ &sensor_dev_attr_temp0_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in0_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in1_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in2_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in3_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in4_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in5_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in6_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in7_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in8_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in9_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in10_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in11_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in12_input.dev_attr.attr,
|
||||
+
|
||||
+ &sensor_dev_attr_temp0_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in0_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in1_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in2_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in3_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in4_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in5_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in6_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in7_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in8_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in9_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in10_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in11_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in12_label.dev_attr.attr,
|
||||
+
|
||||
+ &sensor_dev_attr_fan0_point0.dev_attr.attr,
|
||||
+ &sensor_dev_attr_fan0_point1.dev_attr.attr,
|
||||
+ &sensor_dev_attr_fan0_point2.dev_attr.attr,
|
||||
+ &sensor_dev_attr_fan0_point3.dev_attr.attr,
|
||||
+ &sensor_dev_attr_fan0_point4.dev_attr.attr,
|
||||
+ &sensor_dev_attr_fan0_point5.dev_attr.attr,
|
||||
+ NULL
|
||||
+};
|
||||
+
|
||||
+
|
||||
+static int gsp_probe(struct i2c_client *client,
|
||||
+ const struct i2c_device_id *id)
|
||||
+{
|
||||
+ struct i2c_adapter *adapter = client->adapter;
|
||||
+ struct gsp_data *data;
|
||||
+ int err;
|
||||
+
|
||||
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
|
||||
+ I2C_FUNC_SMBUS_WORD_DATA)) {
|
||||
+ err = -EOPNOTSUPP;
|
||||
+ goto exit;
|
||||
+ }
|
||||
+
|
||||
+ if (!(data = kzalloc(sizeof(struct gsp_data), GFP_KERNEL))) {
|
||||
+ err = -ENOMEM;
|
||||
+ goto exit;
|
||||
+ }
|
||||
+
|
||||
+ i2c_set_clientdata(client, data);
|
||||
+
|
||||
+ data->type = id->driver_data;
|
||||
+
|
||||
+ switch (data->type) {
|
||||
+ case 0:
|
||||
+ data->attrs.attrs = gsp_attributes;
|
||||
+ break;
|
||||
+ }
|
||||
+
|
||||
+ dev_info(&client->dev, "%s chip found\n", client->name);
|
||||
+
|
||||
+ /* Register sysfs hooks */
|
||||
+ if ((err = sysfs_create_group(&client->dev.kobj, &data->attrs)))
|
||||
+ goto exit_free;
|
||||
+
|
||||
+ data->hwmon_dev = hwmon_device_register(&client->dev);
|
||||
+ if (IS_ERR(data->hwmon_dev)) {
|
||||
+ err = PTR_ERR(data->hwmon_dev);
|
||||
+ goto exit_remove;
|
||||
+ }
|
||||
+
|
||||
+ return 0;
|
||||
+
|
||||
+exit_remove:
|
||||
+ sysfs_remove_group(&client->dev.kobj, &data->attrs);
|
||||
+exit_free:
|
||||
+ kfree(data);
|
||||
+exit:
|
||||
+ return err;
|
||||
+}
|
||||
+
|
||||
+static int gsp_remove(struct i2c_client *client)
|
||||
+{
|
||||
+ struct gsp_data *data = i2c_get_clientdata(client);
|
||||
+ hwmon_device_unregister(data->hwmon_dev);
|
||||
+ sysfs_remove_group(&client->dev.kobj, &data->attrs);
|
||||
+ kfree(data);
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static int __init gsp_init(void)
|
||||
+{
|
||||
+ return i2c_add_driver(&gsp_driver);
|
||||
+}
|
||||
+
|
||||
+static void __exit gsp_exit(void)
|
||||
+{
|
||||
+ i2c_del_driver(&gsp_driver);
|
||||
+}
|
||||
+
|
||||
+module_init(gsp_init);
|
||||
+module_exit(gsp_exit);
|
||||
+
|
||||
+MODULE_AUTHOR("Chris Lang <clang@gateworks.com>");
|
||||
+MODULE_DESCRIPTION("GSC HWMON driver");
|
||||
+MODULE_LICENSE("GPL");
|
||||
+MODULE_VERSION(DRV_VERSION);
|
||||
+
|
||||
|
|
@ -1,339 +0,0 @@
|
|||
--- a/drivers/hwmon/Kconfig
|
||||
+++ b/drivers/hwmon/Kconfig
|
||||
@@ -507,6 +507,15 @@ config SENSORS_G762
|
||||
This driver can also be built as a module. If so, the module
|
||||
will be called g762.
|
||||
|
||||
+config SENSORS_GSC
|
||||
+ tristate "Gateworks System Controller"
|
||||
+ depends on I2C
|
||||
+ help
|
||||
+ If you say yes here you get support for the Gateworks System Controller.
|
||||
+
|
||||
+ This driver can also be built as a module. If so, the module
|
||||
+ will be called gsc.
|
||||
+
|
||||
config SENSORS_GPIO_FAN
|
||||
tristate "GPIO fan"
|
||||
depends on GPIOLIB
|
||||
--- a/drivers/hwmon/Makefile
|
||||
+++ b/drivers/hwmon/Makefile
|
||||
@@ -156,6 +156,7 @@ obj-$(CONFIG_SENSORS_W83L785TS) += w83l7
|
||||
obj-$(CONFIG_SENSORS_W83L786NG) += w83l786ng.o
|
||||
obj-$(CONFIG_SENSORS_WM831X) += wm831x-hwmon.o
|
||||
obj-$(CONFIG_SENSORS_WM8350) += wm8350-hwmon.o
|
||||
+obj-$(CONFIG_SENSORS_GSC) += gsc.o
|
||||
|
||||
obj-$(CONFIG_PMBUS) += pmbus/
|
||||
|
||||
--- /dev/null
|
||||
+++ b/drivers/hwmon/gsc.c
|
||||
@@ -0,0 +1,308 @@
|
||||
+/*
|
||||
+ * A hwmon driver for the Gateworks System Controller
|
||||
+ * Copyright (C) 2009 Gateworks Corporation
|
||||
+ *
|
||||
+ * Author: Chris Lang <clang@gateworks.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 the Free Software Foundation - version 2.
|
||||
+ */
|
||||
+
|
||||
+#include <linux/module.h>
|
||||
+#include <linux/i2c.h>
|
||||
+#include <linux/hwmon.h>
|
||||
+#include <linux/hwmon-sysfs.h>
|
||||
+#include <linux/err.h>
|
||||
+#include <linux/slab.h>
|
||||
+
|
||||
+#define DRV_VERSION "0.2"
|
||||
+
|
||||
+enum chips { gsp };
|
||||
+
|
||||
+/* AD7418 registers */
|
||||
+#define GSP_REG_TEMP_IN 0x00
|
||||
+#define GSP_REG_VIN 0x02
|
||||
+#define GSP_REG_3P3 0x05
|
||||
+#define GSP_REG_BAT 0x08
|
||||
+#define GSP_REG_5P0 0x0b
|
||||
+#define GSP_REG_CORE 0x0e
|
||||
+#define GSP_REG_CPU1 0x11
|
||||
+#define GSP_REG_CPU2 0x14
|
||||
+#define GSP_REG_DRAM 0x17
|
||||
+#define GSP_REG_EXT_BAT 0x1a
|
||||
+#define GSP_REG_IO1 0x1d
|
||||
+#define GSP_REG_IO2 0x20
|
||||
+#define GSP_REG_PCIE 0x23
|
||||
+#define GSP_REG_CURRENT 0x26
|
||||
+#define GSP_FAN_0 0x2C
|
||||
+#define GSP_FAN_1 0x2E
|
||||
+#define GSP_FAN_2 0x30
|
||||
+#define GSP_FAN_3 0x32
|
||||
+#define GSP_FAN_4 0x34
|
||||
+#define GSP_FAN_5 0x36
|
||||
+
|
||||
+struct gsp_sensor_info {
|
||||
+ const char* name;
|
||||
+ int reg;
|
||||
+};
|
||||
+
|
||||
+static const struct gsp_sensor_info gsp_sensors[] = {
|
||||
+ {"temp", GSP_REG_TEMP_IN},
|
||||
+ {"vin", GSP_REG_VIN},
|
||||
+ {"3p3", GSP_REG_3P3},
|
||||
+ {"bat", GSP_REG_BAT},
|
||||
+ {"5p0", GSP_REG_5P0},
|
||||
+ {"core", GSP_REG_CORE},
|
||||
+ {"cpu1", GSP_REG_CPU1},
|
||||
+ {"cpu2", GSP_REG_CPU2},
|
||||
+ {"dram", GSP_REG_DRAM},
|
||||
+ {"ext_bat", GSP_REG_EXT_BAT},
|
||||
+ {"io1", GSP_REG_IO1},
|
||||
+ {"io2", GSP_REG_IO2},
|
||||
+ {"pci2", GSP_REG_PCIE},
|
||||
+ {"current", GSP_REG_CURRENT},
|
||||
+ {"fan_point0", GSP_FAN_0},
|
||||
+ {"fan_point1", GSP_FAN_1},
|
||||
+ {"fan_point2", GSP_FAN_2},
|
||||
+ {"fan_point3", GSP_FAN_3},
|
||||
+ {"fan_point4", GSP_FAN_4},
|
||||
+ {"fan_point5", GSP_FAN_5},
|
||||
+};
|
||||
+
|
||||
+struct gsp_data {
|
||||
+ struct device *hwmon_dev;
|
||||
+ struct attribute_group attrs;
|
||||
+ enum chips type;
|
||||
+};
|
||||
+
|
||||
+static int gsp_probe(struct i2c_client *client,
|
||||
+ const struct i2c_device_id *id);
|
||||
+static int gsp_remove(struct i2c_client *client);
|
||||
+
|
||||
+static const struct i2c_device_id gsp_id[] = {
|
||||
+ { "gsp", 0 },
|
||||
+ { }
|
||||
+};
|
||||
+MODULE_DEVICE_TABLE(i2c, gsp_id);
|
||||
+
|
||||
+static struct i2c_driver gsp_driver = {
|
||||
+ .driver = {
|
||||
+ .name = "gsp",
|
||||
+ },
|
||||
+ .probe = gsp_probe,
|
||||
+ .remove = gsp_remove,
|
||||
+ .id_table = gsp_id,
|
||||
+};
|
||||
+
|
||||
+/* All registers are word-sized, except for the configuration registers.
|
||||
+ * AD7418 uses a high-byte first convention. Do NOT use those functions to
|
||||
+ * access the configuration registers CONF and CONF2, as they are byte-sized.
|
||||
+ */
|
||||
+static inline int gsp_read(struct i2c_client *client, u8 reg)
|
||||
+{
|
||||
+ unsigned int adc = 0;
|
||||
+ if (reg == GSP_REG_TEMP_IN || reg > GSP_REG_CURRENT)
|
||||
+ {
|
||||
+ adc |= i2c_smbus_read_byte_data(client, reg);
|
||||
+ adc |= i2c_smbus_read_byte_data(client, reg + 1) << 8;
|
||||
+ return adc;
|
||||
+ }
|
||||
+ else
|
||||
+ {
|
||||
+ adc |= i2c_smbus_read_byte_data(client, reg);
|
||||
+ adc |= i2c_smbus_read_byte_data(client, reg + 1) << 8;
|
||||
+ adc |= i2c_smbus_read_byte_data(client, reg + 2) << 16;
|
||||
+ return adc;
|
||||
+ }
|
||||
+}
|
||||
+
|
||||
+static inline int gsp_write(struct i2c_client *client, u8 reg, u16 value)
|
||||
+{
|
||||
+ i2c_smbus_write_byte_data(client, reg, value & 0xff);
|
||||
+ i2c_smbus_write_byte_data(client, reg + 1, ((value >> 8) & 0xff));
|
||||
+ return 1;
|
||||
+}
|
||||
+
|
||||
+static ssize_t show_adc(struct device *dev, struct device_attribute *devattr,
|
||||
+ char *buf)
|
||||
+{
|
||||
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
||||
+ struct i2c_client *client = to_i2c_client(dev);
|
||||
+ return sprintf(buf, "%d\n", gsp_read(client, gsp_sensors[attr->index].reg));
|
||||
+}
|
||||
+
|
||||
+static ssize_t show_label(struct device *dev,
|
||||
+ struct device_attribute *devattr, char *buf)
|
||||
+{
|
||||
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
||||
+
|
||||
+ return sprintf(buf, "%s\n", gsp_sensors[attr->index].name);
|
||||
+}
|
||||
+
|
||||
+static ssize_t store_fan(struct device *dev,
|
||||
+ struct device_attribute *devattr, const char *buf, size_t count)
|
||||
+{
|
||||
+ u16 val;
|
||||
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
||||
+ struct i2c_client *client = to_i2c_client(dev);
|
||||
+ val = simple_strtoul(buf, NULL, 10);
|
||||
+ gsp_write(client, gsp_sensors[attr->index].reg, val);
|
||||
+ return count;
|
||||
+}
|
||||
+
|
||||
+static SENSOR_DEVICE_ATTR(temp0_input, S_IRUGO, show_adc, NULL, 0);
|
||||
+static SENSOR_DEVICE_ATTR(temp0_label, S_IRUGO, show_label, NULL, 0);
|
||||
+
|
||||
+static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_adc, NULL, 1);
|
||||
+static SENSOR_DEVICE_ATTR(in0_label, S_IRUGO, show_label, NULL, 1);
|
||||
+static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_adc, NULL, 2);
|
||||
+static SENSOR_DEVICE_ATTR(in1_label, S_IRUGO, show_label, NULL, 2);
|
||||
+static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_adc, NULL, 3);
|
||||
+static SENSOR_DEVICE_ATTR(in2_label, S_IRUGO, show_label, NULL, 3);
|
||||
+static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_adc, NULL, 4);
|
||||
+static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_label, NULL, 4);
|
||||
+static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_adc, NULL, 5);
|
||||
+static SENSOR_DEVICE_ATTR(in4_label, S_IRUGO, show_label, NULL, 5);
|
||||
+static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_adc, NULL, 6);
|
||||
+static SENSOR_DEVICE_ATTR(in5_label, S_IRUGO, show_label, NULL, 6);
|
||||
+static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_adc, NULL, 7);
|
||||
+static SENSOR_DEVICE_ATTR(in6_label, S_IRUGO, show_label, NULL, 7);
|
||||
+static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_adc, NULL, 8);
|
||||
+static SENSOR_DEVICE_ATTR(in7_label, S_IRUGO, show_label, NULL, 8);
|
||||
+static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_adc, NULL, 9);
|
||||
+static SENSOR_DEVICE_ATTR(in8_label, S_IRUGO, show_label, NULL, 9);
|
||||
+static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_adc, NULL, 10);
|
||||
+static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_label, NULL, 10);
|
||||
+static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_adc, NULL, 11);
|
||||
+static SENSOR_DEVICE_ATTR(in10_label, S_IRUGO, show_label, NULL, 11);
|
||||
+static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, show_adc, NULL, 12);
|
||||
+static SENSOR_DEVICE_ATTR(in11_label, S_IRUGO, show_label, NULL, 12);
|
||||
+static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, show_adc, NULL, 13);
|
||||
+static SENSOR_DEVICE_ATTR(in12_label, S_IRUGO, show_label, NULL, 13);
|
||||
+
|
||||
+static SENSOR_DEVICE_ATTR(fan0_point0, S_IRUGO | S_IWUSR, show_adc, store_fan, 14);
|
||||
+static SENSOR_DEVICE_ATTR(fan0_point1, S_IRUGO | S_IWUSR, show_adc, store_fan, 15);
|
||||
+static SENSOR_DEVICE_ATTR(fan0_point2, S_IRUGO | S_IWUSR, show_adc, store_fan, 16);
|
||||
+static SENSOR_DEVICE_ATTR(fan0_point3, S_IRUGO | S_IWUSR, show_adc, store_fan, 17);
|
||||
+static SENSOR_DEVICE_ATTR(fan0_point4, S_IRUGO | S_IWUSR, show_adc, store_fan, 18);
|
||||
+static SENSOR_DEVICE_ATTR(fan0_point5, S_IRUGO | S_IWUSR, show_adc, store_fan, 19);
|
||||
+
|
||||
+static struct attribute *gsp_attributes[] = {
|
||||
+ &sensor_dev_attr_temp0_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in0_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in1_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in2_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in3_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in4_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in5_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in6_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in7_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in8_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in9_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in10_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in11_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in12_input.dev_attr.attr,
|
||||
+
|
||||
+ &sensor_dev_attr_temp0_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in0_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in1_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in2_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in3_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in4_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in5_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in6_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in7_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in8_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in9_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in10_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in11_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in12_label.dev_attr.attr,
|
||||
+
|
||||
+ &sensor_dev_attr_fan0_point0.dev_attr.attr,
|
||||
+ &sensor_dev_attr_fan0_point1.dev_attr.attr,
|
||||
+ &sensor_dev_attr_fan0_point2.dev_attr.attr,
|
||||
+ &sensor_dev_attr_fan0_point3.dev_attr.attr,
|
||||
+ &sensor_dev_attr_fan0_point4.dev_attr.attr,
|
||||
+ &sensor_dev_attr_fan0_point5.dev_attr.attr,
|
||||
+ NULL
|
||||
+};
|
||||
+
|
||||
+
|
||||
+static int gsp_probe(struct i2c_client *client,
|
||||
+ const struct i2c_device_id *id)
|
||||
+{
|
||||
+ struct i2c_adapter *adapter = client->adapter;
|
||||
+ struct gsp_data *data;
|
||||
+ int err;
|
||||
+
|
||||
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
|
||||
+ I2C_FUNC_SMBUS_WORD_DATA)) {
|
||||
+ err = -EOPNOTSUPP;
|
||||
+ goto exit;
|
||||
+ }
|
||||
+
|
||||
+ if (!(data = kzalloc(sizeof(struct gsp_data), GFP_KERNEL))) {
|
||||
+ err = -ENOMEM;
|
||||
+ goto exit;
|
||||
+ }
|
||||
+
|
||||
+ i2c_set_clientdata(client, data);
|
||||
+
|
||||
+ data->type = id->driver_data;
|
||||
+
|
||||
+ switch (data->type) {
|
||||
+ case 0:
|
||||
+ data->attrs.attrs = gsp_attributes;
|
||||
+ break;
|
||||
+ }
|
||||
+
|
||||
+ dev_info(&client->dev, "%s chip found\n", client->name);
|
||||
+
|
||||
+ /* Register sysfs hooks */
|
||||
+ if ((err = sysfs_create_group(&client->dev.kobj, &data->attrs)))
|
||||
+ goto exit_free;
|
||||
+
|
||||
+ data->hwmon_dev = hwmon_device_register(&client->dev);
|
||||
+ if (IS_ERR(data->hwmon_dev)) {
|
||||
+ err = PTR_ERR(data->hwmon_dev);
|
||||
+ goto exit_remove;
|
||||
+ }
|
||||
+
|
||||
+ return 0;
|
||||
+
|
||||
+exit_remove:
|
||||
+ sysfs_remove_group(&client->dev.kobj, &data->attrs);
|
||||
+exit_free:
|
||||
+ kfree(data);
|
||||
+exit:
|
||||
+ return err;
|
||||
+}
|
||||
+
|
||||
+static int gsp_remove(struct i2c_client *client)
|
||||
+{
|
||||
+ struct gsp_data *data = i2c_get_clientdata(client);
|
||||
+ hwmon_device_unregister(data->hwmon_dev);
|
||||
+ sysfs_remove_group(&client->dev.kobj, &data->attrs);
|
||||
+ kfree(data);
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static int __init gsp_init(void)
|
||||
+{
|
||||
+ return i2c_add_driver(&gsp_driver);
|
||||
+}
|
||||
+
|
||||
+static void __exit gsp_exit(void)
|
||||
+{
|
||||
+ i2c_del_driver(&gsp_driver);
|
||||
+}
|
||||
+
|
||||
+module_init(gsp_init);
|
||||
+module_exit(gsp_exit);
|
||||
+
|
||||
+MODULE_AUTHOR("Chris Lang <clang@gateworks.com>");
|
||||
+MODULE_DESCRIPTION("GSC HWMON driver");
|
||||
+MODULE_LICENSE("GPL");
|
||||
+MODULE_VERSION(DRV_VERSION);
|
||||
+
|
||||
|
|
@ -1,339 +0,0 @@
|
|||
--- a/drivers/hwmon/Kconfig
|
||||
+++ b/drivers/hwmon/Kconfig
|
||||
@@ -527,6 +527,15 @@ config SENSORS_G762
|
||||
This driver can also be built as a module. If so, the module
|
||||
will be called g762.
|
||||
|
||||
+config SENSORS_GSC
|
||||
+ tristate "Gateworks System Controller"
|
||||
+ depends on I2C
|
||||
+ help
|
||||
+ If you say yes here you get support for the Gateworks System Controller.
|
||||
+
|
||||
+ This driver can also be built as a module. If so, the module
|
||||
+ will be called gsc.
|
||||
+
|
||||
config SENSORS_GPIO_FAN
|
||||
tristate "GPIO fan"
|
||||
depends on GPIOLIB || COMPILE_TEST
|
||||
--- a/drivers/hwmon/Makefile
|
||||
+++ b/drivers/hwmon/Makefile
|
||||
@@ -160,6 +160,7 @@ obj-$(CONFIG_SENSORS_W83L785TS) += w83l7
|
||||
obj-$(CONFIG_SENSORS_W83L786NG) += w83l786ng.o
|
||||
obj-$(CONFIG_SENSORS_WM831X) += wm831x-hwmon.o
|
||||
obj-$(CONFIG_SENSORS_WM8350) += wm8350-hwmon.o
|
||||
+obj-$(CONFIG_SENSORS_GSC) += gsc.o
|
||||
|
||||
obj-$(CONFIG_PMBUS) += pmbus/
|
||||
|
||||
--- /dev/null
|
||||
+++ b/drivers/hwmon/gsc.c
|
||||
@@ -0,0 +1,308 @@
|
||||
+/*
|
||||
+ * A hwmon driver for the Gateworks System Controller
|
||||
+ * Copyright (C) 2009 Gateworks Corporation
|
||||
+ *
|
||||
+ * Author: Chris Lang <clang@gateworks.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 the Free Software Foundation - version 2.
|
||||
+ */
|
||||
+
|
||||
+#include <linux/module.h>
|
||||
+#include <linux/i2c.h>
|
||||
+#include <linux/hwmon.h>
|
||||
+#include <linux/hwmon-sysfs.h>
|
||||
+#include <linux/err.h>
|
||||
+#include <linux/slab.h>
|
||||
+
|
||||
+#define DRV_VERSION "0.2"
|
||||
+
|
||||
+enum chips { gsp };
|
||||
+
|
||||
+/* AD7418 registers */
|
||||
+#define GSP_REG_TEMP_IN 0x00
|
||||
+#define GSP_REG_VIN 0x02
|
||||
+#define GSP_REG_3P3 0x05
|
||||
+#define GSP_REG_BAT 0x08
|
||||
+#define GSP_REG_5P0 0x0b
|
||||
+#define GSP_REG_CORE 0x0e
|
||||
+#define GSP_REG_CPU1 0x11
|
||||
+#define GSP_REG_CPU2 0x14
|
||||
+#define GSP_REG_DRAM 0x17
|
||||
+#define GSP_REG_EXT_BAT 0x1a
|
||||
+#define GSP_REG_IO1 0x1d
|
||||
+#define GSP_REG_IO2 0x20
|
||||
+#define GSP_REG_PCIE 0x23
|
||||
+#define GSP_REG_CURRENT 0x26
|
||||
+#define GSP_FAN_0 0x2C
|
||||
+#define GSP_FAN_1 0x2E
|
||||
+#define GSP_FAN_2 0x30
|
||||
+#define GSP_FAN_3 0x32
|
||||
+#define GSP_FAN_4 0x34
|
||||
+#define GSP_FAN_5 0x36
|
||||
+
|
||||
+struct gsp_sensor_info {
|
||||
+ const char* name;
|
||||
+ int reg;
|
||||
+};
|
||||
+
|
||||
+static const struct gsp_sensor_info gsp_sensors[] = {
|
||||
+ {"temp", GSP_REG_TEMP_IN},
|
||||
+ {"vin", GSP_REG_VIN},
|
||||
+ {"3p3", GSP_REG_3P3},
|
||||
+ {"bat", GSP_REG_BAT},
|
||||
+ {"5p0", GSP_REG_5P0},
|
||||
+ {"core", GSP_REG_CORE},
|
||||
+ {"cpu1", GSP_REG_CPU1},
|
||||
+ {"cpu2", GSP_REG_CPU2},
|
||||
+ {"dram", GSP_REG_DRAM},
|
||||
+ {"ext_bat", GSP_REG_EXT_BAT},
|
||||
+ {"io1", GSP_REG_IO1},
|
||||
+ {"io2", GSP_REG_IO2},
|
||||
+ {"pci2", GSP_REG_PCIE},
|
||||
+ {"current", GSP_REG_CURRENT},
|
||||
+ {"fan_point0", GSP_FAN_0},
|
||||
+ {"fan_point1", GSP_FAN_1},
|
||||
+ {"fan_point2", GSP_FAN_2},
|
||||
+ {"fan_point3", GSP_FAN_3},
|
||||
+ {"fan_point4", GSP_FAN_4},
|
||||
+ {"fan_point5", GSP_FAN_5},
|
||||
+};
|
||||
+
|
||||
+struct gsp_data {
|
||||
+ struct device *hwmon_dev;
|
||||
+ struct attribute_group attrs;
|
||||
+ enum chips type;
|
||||
+};
|
||||
+
|
||||
+static int gsp_probe(struct i2c_client *client,
|
||||
+ const struct i2c_device_id *id);
|
||||
+static int gsp_remove(struct i2c_client *client);
|
||||
+
|
||||
+static const struct i2c_device_id gsp_id[] = {
|
||||
+ { "gsp", 0 },
|
||||
+ { }
|
||||
+};
|
||||
+MODULE_DEVICE_TABLE(i2c, gsp_id);
|
||||
+
|
||||
+static struct i2c_driver gsp_driver = {
|
||||
+ .driver = {
|
||||
+ .name = "gsp",
|
||||
+ },
|
||||
+ .probe = gsp_probe,
|
||||
+ .remove = gsp_remove,
|
||||
+ .id_table = gsp_id,
|
||||
+};
|
||||
+
|
||||
+/* All registers are word-sized, except for the configuration registers.
|
||||
+ * AD7418 uses a high-byte first convention. Do NOT use those functions to
|
||||
+ * access the configuration registers CONF and CONF2, as they are byte-sized.
|
||||
+ */
|
||||
+static inline int gsp_read(struct i2c_client *client, u8 reg)
|
||||
+{
|
||||
+ unsigned int adc = 0;
|
||||
+ if (reg == GSP_REG_TEMP_IN || reg > GSP_REG_CURRENT)
|
||||
+ {
|
||||
+ adc |= i2c_smbus_read_byte_data(client, reg);
|
||||
+ adc |= i2c_smbus_read_byte_data(client, reg + 1) << 8;
|
||||
+ return adc;
|
||||
+ }
|
||||
+ else
|
||||
+ {
|
||||
+ adc |= i2c_smbus_read_byte_data(client, reg);
|
||||
+ adc |= i2c_smbus_read_byte_data(client, reg + 1) << 8;
|
||||
+ adc |= i2c_smbus_read_byte_data(client, reg + 2) << 16;
|
||||
+ return adc;
|
||||
+ }
|
||||
+}
|
||||
+
|
||||
+static inline int gsp_write(struct i2c_client *client, u8 reg, u16 value)
|
||||
+{
|
||||
+ i2c_smbus_write_byte_data(client, reg, value & 0xff);
|
||||
+ i2c_smbus_write_byte_data(client, reg + 1, ((value >> 8) & 0xff));
|
||||
+ return 1;
|
||||
+}
|
||||
+
|
||||
+static ssize_t show_adc(struct device *dev, struct device_attribute *devattr,
|
||||
+ char *buf)
|
||||
+{
|
||||
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
||||
+ struct i2c_client *client = to_i2c_client(dev);
|
||||
+ return sprintf(buf, "%d\n", gsp_read(client, gsp_sensors[attr->index].reg));
|
||||
+}
|
||||
+
|
||||
+static ssize_t show_label(struct device *dev,
|
||||
+ struct device_attribute *devattr, char *buf)
|
||||
+{
|
||||
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
||||
+
|
||||
+ return sprintf(buf, "%s\n", gsp_sensors[attr->index].name);
|
||||
+}
|
||||
+
|
||||
+static ssize_t store_fan(struct device *dev,
|
||||
+ struct device_attribute *devattr, const char *buf, size_t count)
|
||||
+{
|
||||
+ u16 val;
|
||||
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
|
||||
+ struct i2c_client *client = to_i2c_client(dev);
|
||||
+ val = simple_strtoul(buf, NULL, 10);
|
||||
+ gsp_write(client, gsp_sensors[attr->index].reg, val);
|
||||
+ return count;
|
||||
+}
|
||||
+
|
||||
+static SENSOR_DEVICE_ATTR(temp0_input, S_IRUGO, show_adc, NULL, 0);
|
||||
+static SENSOR_DEVICE_ATTR(temp0_label, S_IRUGO, show_label, NULL, 0);
|
||||
+
|
||||
+static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_adc, NULL, 1);
|
||||
+static SENSOR_DEVICE_ATTR(in0_label, S_IRUGO, show_label, NULL, 1);
|
||||
+static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_adc, NULL, 2);
|
||||
+static SENSOR_DEVICE_ATTR(in1_label, S_IRUGO, show_label, NULL, 2);
|
||||
+static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_adc, NULL, 3);
|
||||
+static SENSOR_DEVICE_ATTR(in2_label, S_IRUGO, show_label, NULL, 3);
|
||||
+static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_adc, NULL, 4);
|
||||
+static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_label, NULL, 4);
|
||||
+static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_adc, NULL, 5);
|
||||
+static SENSOR_DEVICE_ATTR(in4_label, S_IRUGO, show_label, NULL, 5);
|
||||
+static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_adc, NULL, 6);
|
||||
+static SENSOR_DEVICE_ATTR(in5_label, S_IRUGO, show_label, NULL, 6);
|
||||
+static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_adc, NULL, 7);
|
||||
+static SENSOR_DEVICE_ATTR(in6_label, S_IRUGO, show_label, NULL, 7);
|
||||
+static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_adc, NULL, 8);
|
||||
+static SENSOR_DEVICE_ATTR(in7_label, S_IRUGO, show_label, NULL, 8);
|
||||
+static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_adc, NULL, 9);
|
||||
+static SENSOR_DEVICE_ATTR(in8_label, S_IRUGO, show_label, NULL, 9);
|
||||
+static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_adc, NULL, 10);
|
||||
+static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_label, NULL, 10);
|
||||
+static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_adc, NULL, 11);
|
||||
+static SENSOR_DEVICE_ATTR(in10_label, S_IRUGO, show_label, NULL, 11);
|
||||
+static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, show_adc, NULL, 12);
|
||||
+static SENSOR_DEVICE_ATTR(in11_label, S_IRUGO, show_label, NULL, 12);
|
||||
+static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, show_adc, NULL, 13);
|
||||
+static SENSOR_DEVICE_ATTR(in12_label, S_IRUGO, show_label, NULL, 13);
|
||||
+
|
||||
+static SENSOR_DEVICE_ATTR(fan0_point0, S_IRUGO | S_IWUSR, show_adc, store_fan, 14);
|
||||
+static SENSOR_DEVICE_ATTR(fan0_point1, S_IRUGO | S_IWUSR, show_adc, store_fan, 15);
|
||||
+static SENSOR_DEVICE_ATTR(fan0_point2, S_IRUGO | S_IWUSR, show_adc, store_fan, 16);
|
||||
+static SENSOR_DEVICE_ATTR(fan0_point3, S_IRUGO | S_IWUSR, show_adc, store_fan, 17);
|
||||
+static SENSOR_DEVICE_ATTR(fan0_point4, S_IRUGO | S_IWUSR, show_adc, store_fan, 18);
|
||||
+static SENSOR_DEVICE_ATTR(fan0_point5, S_IRUGO | S_IWUSR, show_adc, store_fan, 19);
|
||||
+
|
||||
+static struct attribute *gsp_attributes[] = {
|
||||
+ &sensor_dev_attr_temp0_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in0_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in1_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in2_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in3_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in4_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in5_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in6_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in7_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in8_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in9_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in10_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in11_input.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in12_input.dev_attr.attr,
|
||||
+
|
||||
+ &sensor_dev_attr_temp0_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in0_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in1_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in2_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in3_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in4_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in5_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in6_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in7_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in8_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in9_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in10_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in11_label.dev_attr.attr,
|
||||
+ &sensor_dev_attr_in12_label.dev_attr.attr,
|
||||
+
|
||||
+ &sensor_dev_attr_fan0_point0.dev_attr.attr,
|
||||
+ &sensor_dev_attr_fan0_point1.dev_attr.attr,
|
||||
+ &sensor_dev_attr_fan0_point2.dev_attr.attr,
|
||||
+ &sensor_dev_attr_fan0_point3.dev_attr.attr,
|
||||
+ &sensor_dev_attr_fan0_point4.dev_attr.attr,
|
||||
+ &sensor_dev_attr_fan0_point5.dev_attr.attr,
|
||||
+ NULL
|
||||
+};
|
||||
+
|
||||
+
|
||||
+static int gsp_probe(struct i2c_client *client,
|
||||
+ const struct i2c_device_id *id)
|
||||
+{
|
||||
+ struct i2c_adapter *adapter = client->adapter;
|
||||
+ struct gsp_data *data;
|
||||
+ int err;
|
||||
+
|
||||
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
|
||||
+ I2C_FUNC_SMBUS_WORD_DATA)) {
|
||||
+ err = -EOPNOTSUPP;
|
||||
+ goto exit;
|
||||
+ }
|
||||
+
|
||||
+ if (!(data = kzalloc(sizeof(struct gsp_data), GFP_KERNEL))) {
|
||||
+ err = -ENOMEM;
|
||||
+ goto exit;
|
||||
+ }
|
||||
+
|
||||
+ i2c_set_clientdata(client, data);
|
||||
+
|
||||
+ data->type = id->driver_data;
|
||||
+
|
||||
+ switch (data->type) {
|
||||
+ case 0:
|
||||
+ data->attrs.attrs = gsp_attributes;
|
||||
+ break;
|
||||
+ }
|
||||
+
|
||||
+ dev_info(&client->dev, "%s chip found\n", client->name);
|
||||
+
|
||||
+ /* Register sysfs hooks */
|
||||
+ if ((err = sysfs_create_group(&client->dev.kobj, &data->attrs)))
|
||||
+ goto exit_free;
|
||||
+
|
||||
+ data->hwmon_dev = hwmon_device_register(&client->dev);
|
||||
+ if (IS_ERR(data->hwmon_dev)) {
|
||||
+ err = PTR_ERR(data->hwmon_dev);
|
||||
+ goto exit_remove;
|
||||
+ }
|
||||
+
|
||||
+ return 0;
|
||||
+
|
||||
+exit_remove:
|
||||
+ sysfs_remove_group(&client->dev.kobj, &data->attrs);
|
||||
+exit_free:
|
||||
+ kfree(data);
|
||||
+exit:
|
||||
+ return err;
|
||||
+}
|
||||
+
|
||||
+static int gsp_remove(struct i2c_client *client)
|
||||
+{
|
||||
+ struct gsp_data *data = i2c_get_clientdata(client);
|
||||
+ hwmon_device_unregister(data->hwmon_dev);
|
||||
+ sysfs_remove_group(&client->dev.kobj, &data->attrs);
|
||||
+ kfree(data);
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static int __init gsp_init(void)
|
||||
+{
|
||||
+ return i2c_add_driver(&gsp_driver);
|
||||
+}
|
||||
+
|
||||
+static void __exit gsp_exit(void)
|
||||
+{
|
||||
+ i2c_del_driver(&gsp_driver);
|
||||
+}
|
||||
+
|
||||
+module_init(gsp_init);
|
||||
+module_exit(gsp_exit);
|
||||
+
|
||||
+MODULE_AUTHOR("Chris Lang <clang@gateworks.com>");
|
||||
+MODULE_DESCRIPTION("GSC HWMON driver");
|
||||
+MODULE_LICENSE("GPL");
|
||||
+MODULE_VERSION(DRV_VERSION);
|
||||
+
|
||||
Loading…
Reference in New Issue