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1786 lines
51 KiB
1786 lines
51 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* pc87360.c - Part of lm_sensors, Linux kernel modules |
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* for hardware monitoring |
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* Copyright (C) 2004, 2007 Jean Delvare <[email protected]> |
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* |
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* Copied from smsc47m1.c: |
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* Copyright (C) 2002 Mark D. Studebaker <[email protected]> |
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* |
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* Supports the following chips: |
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* |
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* Chip #vin #fan #pwm #temp devid |
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* PC87360 - 2 2 - 0xE1 |
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* PC87363 - 2 2 - 0xE8 |
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* PC87364 - 3 3 - 0xE4 |
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* PC87365 11 3 3 2 0xE5 |
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* PC87366 11 3 3 3-4 0xE9 |
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* |
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* This driver assumes that no more than one chip is present, and one of |
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* the standard Super-I/O addresses is used (0x2E/0x2F or 0x4E/0x4F). |
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*/ |
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|
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
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|
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#include <linux/module.h> |
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#include <linux/init.h> |
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#include <linux/slab.h> |
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#include <linux/jiffies.h> |
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#include <linux/platform_device.h> |
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#include <linux/hwmon.h> |
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#include <linux/hwmon-sysfs.h> |
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#include <linux/hwmon-vid.h> |
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#include <linux/err.h> |
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#include <linux/mutex.h> |
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#include <linux/acpi.h> |
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#include <linux/io.h> |
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|
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static u8 devid; |
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static struct platform_device *pdev; |
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static unsigned short extra_isa[3]; |
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static u8 confreg[4]; |
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static int init = 1; |
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module_param(init, int, 0); |
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MODULE_PARM_DESC(init, |
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"Chip initialization level:\n" |
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" 0: None\n" |
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"*1: Forcibly enable internal voltage and temperature channels, except in9\n" |
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" 2: Forcibly enable all voltage and temperature channels, except in9\n" |
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" 3: Forcibly enable all voltage and temperature channels, including in9"); |
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static unsigned short force_id; |
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module_param(force_id, ushort, 0); |
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MODULE_PARM_DESC(force_id, "Override the detected device ID"); |
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|
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/* |
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* Super-I/O registers and operations |
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*/ |
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#define DEV 0x07 /* Register: Logical device select */ |
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#define DEVID 0x20 /* Register: Device ID */ |
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#define ACT 0x30 /* Register: Device activation */ |
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#define BASE 0x60 /* Register: Base address */ |
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#define FSCM 0x09 /* Logical device: fans */ |
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#define VLM 0x0d /* Logical device: voltages */ |
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#define TMS 0x0e /* Logical device: temperatures */ |
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#define LDNI_MAX 3 |
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static const u8 logdev[LDNI_MAX] = { FSCM, VLM, TMS }; |
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|
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#define LD_FAN 0 |
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#define LD_IN 1 |
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#define LD_TEMP 2 |
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static inline void superio_outb(int sioaddr, int reg, int val) |
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{ |
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outb(reg, sioaddr); |
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outb(val, sioaddr + 1); |
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} |
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|
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static inline int superio_inb(int sioaddr, int reg) |
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{ |
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outb(reg, sioaddr); |
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return inb(sioaddr + 1); |
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} |
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|
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static inline void superio_exit(int sioaddr) |
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{ |
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outb(0x02, sioaddr); |
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outb(0x02, sioaddr + 1); |
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} |
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/* |
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* Logical devices |
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*/ |
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#define PC87360_EXTENT 0x10 |
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#define PC87365_REG_BANK 0x09 |
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#define NO_BANK 0xff |
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|
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/* |
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* Fan registers and conversions |
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*/ |
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/* nr has to be 0 or 1 (PC87360/87363) or 2 (PC87364/87365/87366) */ |
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#define PC87360_REG_PRESCALE(nr) (0x00 + 2 * (nr)) |
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#define PC87360_REG_PWM(nr) (0x01 + 2 * (nr)) |
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#define PC87360_REG_FAN_MIN(nr) (0x06 + 3 * (nr)) |
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#define PC87360_REG_FAN(nr) (0x07 + 3 * (nr)) |
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#define PC87360_REG_FAN_STATUS(nr) (0x08 + 3 * (nr)) |
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|
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#define FAN_FROM_REG(val, div) ((val) == 0 ? 0 : \ |
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480000 / ((val) * (div))) |
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#define FAN_TO_REG(val, div) ((val) <= 100 ? 0 : \ |
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480000 / ((val) * (div))) |
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#define FAN_DIV_FROM_REG(val) (1 << (((val) >> 5) & 0x03)) |
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#define FAN_STATUS_FROM_REG(val) ((val) & 0x07) |
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|
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#define FAN_CONFIG_MONITOR(val, nr) (((val) >> (2 + (nr) * 3)) & 1) |
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#define FAN_CONFIG_CONTROL(val, nr) (((val) >> (3 + (nr) * 3)) & 1) |
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#define FAN_CONFIG_INVERT(val, nr) (((val) >> (4 + (nr) * 3)) & 1) |
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#define PWM_FROM_REG(val, inv) ((inv) ? 255 - (val) : (val)) |
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static inline u8 PWM_TO_REG(int val, int inv) |
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{ |
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if (inv) |
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val = 255 - val; |
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if (val < 0) |
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return 0; |
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if (val > 255) |
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return 255; |
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return val; |
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} |
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/* |
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* Voltage registers and conversions |
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*/ |
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#define PC87365_REG_IN_CONVRATE 0x07 |
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#define PC87365_REG_IN_CONFIG 0x08 |
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#define PC87365_REG_IN 0x0B |
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#define PC87365_REG_IN_MIN 0x0D |
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#define PC87365_REG_IN_MAX 0x0C |
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#define PC87365_REG_IN_STATUS 0x0A |
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#define PC87365_REG_IN_ALARMS1 0x00 |
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#define PC87365_REG_IN_ALARMS2 0x01 |
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#define PC87365_REG_VID 0x06 |
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#define IN_FROM_REG(val, ref) (((val) * (ref) + 128) / 256) |
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#define IN_TO_REG(val, ref) ((val) < 0 ? 0 : \ |
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(val) * 256 >= (ref) * 255 ? 255 : \ |
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((val) * 256 + (ref) / 2) / (ref)) |
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|
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/* |
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* Temperature registers and conversions |
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*/ |
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#define PC87365_REG_TEMP_CONFIG 0x08 |
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#define PC87365_REG_TEMP 0x0B |
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#define PC87365_REG_TEMP_MIN 0x0D |
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#define PC87365_REG_TEMP_MAX 0x0C |
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#define PC87365_REG_TEMP_CRIT 0x0E |
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#define PC87365_REG_TEMP_STATUS 0x0A |
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#define PC87365_REG_TEMP_ALARMS 0x00 |
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#define TEMP_FROM_REG(val) ((val) * 1000) |
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#define TEMP_TO_REG(val) ((val) < -55000 ? -55 : \ |
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(val) > 127000 ? 127 : \ |
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(val) < 0 ? ((val) - 500) / 1000 : \ |
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((val) + 500) / 1000) |
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/* |
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* Device data |
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*/ |
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struct pc87360_data { |
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const char *name; |
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struct device *hwmon_dev; |
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struct mutex lock; |
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struct mutex update_lock; |
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char valid; /* !=0 if following fields are valid */ |
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unsigned long last_updated; /* In jiffies */ |
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int address[3]; |
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u8 fannr, innr, tempnr; |
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|
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u8 fan[3]; /* Register value */ |
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u8 fan_min[3]; /* Register value */ |
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u8 fan_status[3]; /* Register value */ |
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u8 pwm[3]; /* Register value */ |
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u16 fan_conf; /* Configuration register values, combined */ |
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u16 in_vref; /* 1 mV/bit */ |
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u8 in[14]; /* Register value */ |
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u8 in_min[14]; /* Register value */ |
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u8 in_max[14]; /* Register value */ |
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u8 in_crit[3]; /* Register value */ |
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u8 in_status[14]; /* Register value */ |
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u16 in_alarms; /* Register values, combined, masked */ |
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u8 vid_conf; /* Configuration register value */ |
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u8 vrm; |
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u8 vid; /* Register value */ |
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s8 temp[3]; /* Register value */ |
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s8 temp_min[3]; /* Register value */ |
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s8 temp_max[3]; /* Register value */ |
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s8 temp_crit[3]; /* Register value */ |
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u8 temp_status[3]; /* Register value */ |
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u8 temp_alarms; /* Register value, masked */ |
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}; |
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/* |
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* Functions declaration |
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*/ |
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static int pc87360_probe(struct platform_device *pdev); |
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static int pc87360_remove(struct platform_device *pdev); |
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static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank, |
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u8 reg); |
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static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank, |
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u8 reg, u8 value); |
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static void pc87360_init_device(struct platform_device *pdev, |
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int use_thermistors); |
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static struct pc87360_data *pc87360_update_device(struct device *dev); |
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/* |
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* Driver data |
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*/ |
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static struct platform_driver pc87360_driver = { |
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.driver = { |
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.name = "pc87360", |
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}, |
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.probe = pc87360_probe, |
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.remove = pc87360_remove, |
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}; |
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/* |
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* Sysfs stuff |
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*/ |
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static ssize_t fan_input_show(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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struct pc87360_data *data = pc87360_update_device(dev); |
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return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan[attr->index], |
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FAN_DIV_FROM_REG(data->fan_status[attr->index]))); |
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} |
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static ssize_t fan_min_show(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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struct pc87360_data *data = pc87360_update_device(dev); |
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return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan_min[attr->index], |
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FAN_DIV_FROM_REG(data->fan_status[attr->index]))); |
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} |
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static ssize_t fan_div_show(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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struct pc87360_data *data = pc87360_update_device(dev); |
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return sprintf(buf, "%u\n", |
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FAN_DIV_FROM_REG(data->fan_status[attr->index])); |
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} |
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static ssize_t fan_status_show(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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struct pc87360_data *data = pc87360_update_device(dev); |
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return sprintf(buf, "%u\n", |
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FAN_STATUS_FROM_REG(data->fan_status[attr->index])); |
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} |
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static ssize_t fan_min_store(struct device *dev, |
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struct device_attribute *devattr, |
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const char *buf, size_t count) |
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{ |
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
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struct pc87360_data *data = dev_get_drvdata(dev); |
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long fan_min; |
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int err; |
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err = kstrtol(buf, 10, &fan_min); |
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if (err) |
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return err; |
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mutex_lock(&data->update_lock); |
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fan_min = FAN_TO_REG(fan_min, |
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FAN_DIV_FROM_REG(data->fan_status[attr->index])); |
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/* If it wouldn't fit, change clock divisor */ |
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while (fan_min > 255 |
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&& (data->fan_status[attr->index] & 0x60) != 0x60) { |
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fan_min >>= 1; |
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data->fan[attr->index] >>= 1; |
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data->fan_status[attr->index] += 0x20; |
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} |
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data->fan_min[attr->index] = fan_min > 255 ? 255 : fan_min; |
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pc87360_write_value(data, LD_FAN, NO_BANK, |
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PC87360_REG_FAN_MIN(attr->index), |
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data->fan_min[attr->index]); |
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|
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/* Write new divider, preserve alarm bits */ |
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pc87360_write_value(data, LD_FAN, NO_BANK, |
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PC87360_REG_FAN_STATUS(attr->index), |
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data->fan_status[attr->index] & 0xF9); |
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mutex_unlock(&data->update_lock); |
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return count; |
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} |
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static struct sensor_device_attribute fan_input[] = { |
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SENSOR_ATTR_RO(fan1_input, fan_input, 0), |
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SENSOR_ATTR_RO(fan2_input, fan_input, 1), |
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SENSOR_ATTR_RO(fan3_input, fan_input, 2), |
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}; |
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static struct sensor_device_attribute fan_status[] = { |
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SENSOR_ATTR_RO(fan1_status, fan_status, 0), |
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SENSOR_ATTR_RO(fan2_status, fan_status, 1), |
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SENSOR_ATTR_RO(fan3_status, fan_status, 2), |
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}; |
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static struct sensor_device_attribute fan_div[] = { |
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SENSOR_ATTR_RO(fan1_div, fan_div, 0), |
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SENSOR_ATTR_RO(fan2_div, fan_div, 1), |
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SENSOR_ATTR_RO(fan3_div, fan_div, 2), |
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}; |
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static struct sensor_device_attribute fan_min[] = { |
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SENSOR_ATTR_RW(fan1_min, fan_min, 0), |
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SENSOR_ATTR_RW(fan2_min, fan_min, 1), |
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SENSOR_ATTR_RW(fan3_min, fan_min, 2), |
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}; |
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#define FAN_UNIT_ATTRS(X) \ |
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{ &fan_input[X].dev_attr.attr, \ |
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&fan_status[X].dev_attr.attr, \ |
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&fan_div[X].dev_attr.attr, \ |
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&fan_min[X].dev_attr.attr, \ |
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NULL \ |
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} |
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static ssize_t pwm_show(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 pc87360_data *data = pc87360_update_device(dev); |
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return sprintf(buf, "%u\n", |
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PWM_FROM_REG(data->pwm[attr->index], |
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FAN_CONFIG_INVERT(data->fan_conf, |
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attr->index))); |
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} |
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static ssize_t pwm_store(struct device *dev, struct device_attribute *devattr, |
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const char *buf, size_t count) |
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{ |
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
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struct pc87360_data *data = dev_get_drvdata(dev); |
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long val; |
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int err; |
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err = kstrtol(buf, 10, &val); |
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if (err) |
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return err; |
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mutex_lock(&data->update_lock); |
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data->pwm[attr->index] = PWM_TO_REG(val, |
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FAN_CONFIG_INVERT(data->fan_conf, attr->index)); |
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pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_PWM(attr->index), |
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data->pwm[attr->index]); |
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mutex_unlock(&data->update_lock); |
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return count; |
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} |
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static struct sensor_device_attribute pwm[] = { |
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SENSOR_ATTR_RW(pwm1, pwm, 0), |
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SENSOR_ATTR_RW(pwm2, pwm, 1), |
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SENSOR_ATTR_RW(pwm3, pwm, 2), |
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}; |
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static struct attribute *pc8736x_fan_attr[][5] = { |
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FAN_UNIT_ATTRS(0), |
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FAN_UNIT_ATTRS(1), |
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FAN_UNIT_ATTRS(2) |
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}; |
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static const struct attribute_group pc8736x_fan_attr_group[] = { |
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{ .attrs = pc8736x_fan_attr[0], }, |
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{ .attrs = pc8736x_fan_attr[1], }, |
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{ .attrs = pc8736x_fan_attr[2], }, |
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}; |
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static ssize_t in_input_show(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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struct pc87360_data *data = pc87360_update_device(dev); |
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return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index], |
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data->in_vref)); |
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} |
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static ssize_t in_min_show(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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struct pc87360_data *data = pc87360_update_device(dev); |
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return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index], |
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data->in_vref)); |
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} |
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static ssize_t in_max_show(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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struct pc87360_data *data = pc87360_update_device(dev); |
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return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index], |
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data->in_vref)); |
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} |
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static ssize_t in_status_show(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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struct pc87360_data *data = pc87360_update_device(dev); |
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return sprintf(buf, "%u\n", data->in_status[attr->index]); |
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} |
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static ssize_t in_min_store(struct device *dev, |
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struct device_attribute *devattr, const char *buf, |
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size_t count) |
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{ |
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
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struct pc87360_data *data = dev_get_drvdata(dev); |
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long val; |
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int err; |
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|
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err = kstrtol(buf, 10, &val); |
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if (err) |
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return err; |
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|
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mutex_lock(&data->update_lock); |
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data->in_min[attr->index] = IN_TO_REG(val, data->in_vref); |
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pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MIN, |
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data->in_min[attr->index]); |
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mutex_unlock(&data->update_lock); |
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return count; |
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} |
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static ssize_t in_max_store(struct device *dev, |
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struct device_attribute *devattr, const char *buf, |
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size_t count) |
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{ |
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struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
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struct pc87360_data *data = dev_get_drvdata(dev); |
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long val; |
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int err; |
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|
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err = kstrtol(buf, 10, &val); |
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if (err) |
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return err; |
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|
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mutex_lock(&data->update_lock); |
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data->in_max[attr->index] = IN_TO_REG(val, |
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data->in_vref); |
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pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MAX, |
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data->in_max[attr->index]); |
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mutex_unlock(&data->update_lock); |
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return count; |
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} |
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|
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static struct sensor_device_attribute in_input[] = { |
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SENSOR_ATTR_RO(in0_input, in_input, 0), |
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SENSOR_ATTR_RO(in1_input, in_input, 1), |
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SENSOR_ATTR_RO(in2_input, in_input, 2), |
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SENSOR_ATTR_RO(in3_input, in_input, 3), |
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SENSOR_ATTR_RO(in4_input, in_input, 4), |
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SENSOR_ATTR_RO(in5_input, in_input, 5), |
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SENSOR_ATTR_RO(in6_input, in_input, 6), |
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SENSOR_ATTR_RO(in7_input, in_input, 7), |
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SENSOR_ATTR_RO(in8_input, in_input, 8), |
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SENSOR_ATTR_RO(in9_input, in_input, 9), |
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SENSOR_ATTR_RO(in10_input, in_input, 10), |
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}; |
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static struct sensor_device_attribute in_status[] = { |
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SENSOR_ATTR_RO(in0_status, in_status, 0), |
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SENSOR_ATTR_RO(in1_status, in_status, 1), |
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SENSOR_ATTR_RO(in2_status, in_status, 2), |
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SENSOR_ATTR_RO(in3_status, in_status, 3), |
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SENSOR_ATTR_RO(in4_status, in_status, 4), |
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SENSOR_ATTR_RO(in5_status, in_status, 5), |
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SENSOR_ATTR_RO(in6_status, in_status, 6), |
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SENSOR_ATTR_RO(in7_status, in_status, 7), |
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SENSOR_ATTR_RO(in8_status, in_status, 8), |
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SENSOR_ATTR_RO(in9_status, in_status, 9), |
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SENSOR_ATTR_RO(in10_status, in_status, 10), |
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}; |
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static struct sensor_device_attribute in_min[] = { |
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SENSOR_ATTR_RW(in0_min, in_min, 0), |
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SENSOR_ATTR_RW(in1_min, in_min, 1), |
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SENSOR_ATTR_RW(in2_min, in_min, 2), |
|
SENSOR_ATTR_RW(in3_min, in_min, 3), |
|
SENSOR_ATTR_RW(in4_min, in_min, 4), |
|
SENSOR_ATTR_RW(in5_min, in_min, 5), |
|
SENSOR_ATTR_RW(in6_min, in_min, 6), |
|
SENSOR_ATTR_RW(in7_min, in_min, 7), |
|
SENSOR_ATTR_RW(in8_min, in_min, 8), |
|
SENSOR_ATTR_RW(in9_min, in_min, 9), |
|
SENSOR_ATTR_RW(in10_min, in_min, 10), |
|
}; |
|
static struct sensor_device_attribute in_max[] = { |
|
SENSOR_ATTR_RW(in0_max, in_max, 0), |
|
SENSOR_ATTR_RW(in1_max, in_max, 1), |
|
SENSOR_ATTR_RW(in2_max, in_max, 2), |
|
SENSOR_ATTR_RW(in3_max, in_max, 3), |
|
SENSOR_ATTR_RW(in4_max, in_max, 4), |
|
SENSOR_ATTR_RW(in5_max, in_max, 5), |
|
SENSOR_ATTR_RW(in6_max, in_max, 6), |
|
SENSOR_ATTR_RW(in7_max, in_max, 7), |
|
SENSOR_ATTR_RW(in8_max, in_max, 8), |
|
SENSOR_ATTR_RW(in9_max, in_max, 9), |
|
SENSOR_ATTR_RW(in10_max, in_max, 10), |
|
}; |
|
|
|
/* (temp & vin) channel status register alarm bits (pdf sec.11.5.12) */ |
|
#define CHAN_ALM_MIN 0x02 /* min limit crossed */ |
|
#define CHAN_ALM_MAX 0x04 /* max limit exceeded */ |
|
#define TEMP_ALM_CRIT 0x08 /* temp crit exceeded (temp only) */ |
|
|
|
/* |
|
* show_in_min/max_alarm() reads data from the per-channel status |
|
* register (sec 11.5.12), not the vin event status registers (sec |
|
* 11.5.2) that (legacy) show_in_alarm() resds (via data->in_alarms) |
|
*/ |
|
|
|
static ssize_t in_min_alarm_show(struct device *dev, |
|
struct device_attribute *devattr, char *buf) |
|
{ |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
unsigned nr = to_sensor_dev_attr(devattr)->index; |
|
|
|
return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN)); |
|
} |
|
static ssize_t in_max_alarm_show(struct device *dev, |
|
struct device_attribute *devattr, char *buf) |
|
{ |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
unsigned nr = to_sensor_dev_attr(devattr)->index; |
|
|
|
return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX)); |
|
} |
|
|
|
static struct sensor_device_attribute in_min_alarm[] = { |
|
SENSOR_ATTR_RO(in0_min_alarm, in_min_alarm, 0), |
|
SENSOR_ATTR_RO(in1_min_alarm, in_min_alarm, 1), |
|
SENSOR_ATTR_RO(in2_min_alarm, in_min_alarm, 2), |
|
SENSOR_ATTR_RO(in3_min_alarm, in_min_alarm, 3), |
|
SENSOR_ATTR_RO(in4_min_alarm, in_min_alarm, 4), |
|
SENSOR_ATTR_RO(in5_min_alarm, in_min_alarm, 5), |
|
SENSOR_ATTR_RO(in6_min_alarm, in_min_alarm, 6), |
|
SENSOR_ATTR_RO(in7_min_alarm, in_min_alarm, 7), |
|
SENSOR_ATTR_RO(in8_min_alarm, in_min_alarm, 8), |
|
SENSOR_ATTR_RO(in9_min_alarm, in_min_alarm, 9), |
|
SENSOR_ATTR_RO(in10_min_alarm, in_min_alarm, 10), |
|
}; |
|
static struct sensor_device_attribute in_max_alarm[] = { |
|
SENSOR_ATTR_RO(in0_max_alarm, in_max_alarm, 0), |
|
SENSOR_ATTR_RO(in1_max_alarm, in_max_alarm, 1), |
|
SENSOR_ATTR_RO(in2_max_alarm, in_max_alarm, 2), |
|
SENSOR_ATTR_RO(in3_max_alarm, in_max_alarm, 3), |
|
SENSOR_ATTR_RO(in4_max_alarm, in_max_alarm, 4), |
|
SENSOR_ATTR_RO(in5_max_alarm, in_max_alarm, 5), |
|
SENSOR_ATTR_RO(in6_max_alarm, in_max_alarm, 6), |
|
SENSOR_ATTR_RO(in7_max_alarm, in_max_alarm, 7), |
|
SENSOR_ATTR_RO(in8_max_alarm, in_max_alarm, 8), |
|
SENSOR_ATTR_RO(in9_max_alarm, in_max_alarm, 9), |
|
SENSOR_ATTR_RO(in10_max_alarm, in_max_alarm, 10), |
|
}; |
|
|
|
#define VIN_UNIT_ATTRS(X) \ |
|
&in_input[X].dev_attr.attr, \ |
|
&in_status[X].dev_attr.attr, \ |
|
&in_min[X].dev_attr.attr, \ |
|
&in_max[X].dev_attr.attr, \ |
|
&in_min_alarm[X].dev_attr.attr, \ |
|
&in_max_alarm[X].dev_attr.attr |
|
|
|
static ssize_t cpu0_vid_show(struct device *dev, |
|
struct device_attribute *attr, char *buf) |
|
{ |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm)); |
|
} |
|
static DEVICE_ATTR_RO(cpu0_vid); |
|
|
|
static ssize_t vrm_show(struct device *dev, struct device_attribute *attr, |
|
char *buf) |
|
{ |
|
struct pc87360_data *data = dev_get_drvdata(dev); |
|
return sprintf(buf, "%u\n", data->vrm); |
|
} |
|
static ssize_t vrm_store(struct device *dev, struct device_attribute *attr, |
|
const char *buf, size_t count) |
|
{ |
|
struct pc87360_data *data = dev_get_drvdata(dev); |
|
unsigned long val; |
|
int err; |
|
|
|
err = kstrtoul(buf, 10, &val); |
|
if (err) |
|
return err; |
|
|
|
if (val > 255) |
|
return -EINVAL; |
|
|
|
data->vrm = val; |
|
return count; |
|
} |
|
static DEVICE_ATTR_RW(vrm); |
|
|
|
static ssize_t alarms_in_show(struct device *dev, |
|
struct device_attribute *attr, char *buf) |
|
{ |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
return sprintf(buf, "%u\n", data->in_alarms); |
|
} |
|
static DEVICE_ATTR_RO(alarms_in); |
|
|
|
static struct attribute *pc8736x_vin_attr_array[] = { |
|
VIN_UNIT_ATTRS(0), |
|
VIN_UNIT_ATTRS(1), |
|
VIN_UNIT_ATTRS(2), |
|
VIN_UNIT_ATTRS(3), |
|
VIN_UNIT_ATTRS(4), |
|
VIN_UNIT_ATTRS(5), |
|
VIN_UNIT_ATTRS(6), |
|
VIN_UNIT_ATTRS(7), |
|
VIN_UNIT_ATTRS(8), |
|
VIN_UNIT_ATTRS(9), |
|
VIN_UNIT_ATTRS(10), |
|
&dev_attr_cpu0_vid.attr, |
|
&dev_attr_vrm.attr, |
|
&dev_attr_alarms_in.attr, |
|
NULL |
|
}; |
|
static const struct attribute_group pc8736x_vin_group = { |
|
.attrs = pc8736x_vin_attr_array, |
|
}; |
|
|
|
static ssize_t therm_input_show(struct device *dev, |
|
struct device_attribute *devattr, char *buf) |
|
{ |
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index], |
|
data->in_vref)); |
|
} |
|
static ssize_t therm_min_show(struct device *dev, |
|
struct device_attribute *devattr, char *buf) |
|
{ |
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index], |
|
data->in_vref)); |
|
} |
|
static ssize_t therm_max_show(struct device *dev, |
|
struct device_attribute *devattr, char *buf) |
|
{ |
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index], |
|
data->in_vref)); |
|
} |
|
static ssize_t therm_crit_show(struct device *dev, |
|
struct device_attribute *devattr, char *buf) |
|
{ |
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
return sprintf(buf, "%u\n", IN_FROM_REG(data->in_crit[attr->index-11], |
|
data->in_vref)); |
|
} |
|
static ssize_t therm_status_show(struct device *dev, |
|
struct device_attribute *devattr, char *buf) |
|
{ |
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
return sprintf(buf, "%u\n", data->in_status[attr->index]); |
|
} |
|
|
|
static ssize_t therm_min_store(struct device *dev, |
|
struct device_attribute *devattr, |
|
const char *buf, size_t count) |
|
{ |
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
|
struct pc87360_data *data = dev_get_drvdata(dev); |
|
long val; |
|
int err; |
|
|
|
err = kstrtol(buf, 10, &val); |
|
if (err) |
|
return err; |
|
|
|
mutex_lock(&data->update_lock); |
|
data->in_min[attr->index] = IN_TO_REG(val, data->in_vref); |
|
pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MIN, |
|
data->in_min[attr->index]); |
|
mutex_unlock(&data->update_lock); |
|
return count; |
|
} |
|
|
|
static ssize_t therm_max_store(struct device *dev, |
|
struct device_attribute *devattr, |
|
const char *buf, size_t count) |
|
{ |
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
|
struct pc87360_data *data = dev_get_drvdata(dev); |
|
long val; |
|
int err; |
|
|
|
err = kstrtol(buf, 10, &val); |
|
if (err) |
|
return err; |
|
|
|
mutex_lock(&data->update_lock); |
|
data->in_max[attr->index] = IN_TO_REG(val, data->in_vref); |
|
pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MAX, |
|
data->in_max[attr->index]); |
|
mutex_unlock(&data->update_lock); |
|
return count; |
|
} |
|
static ssize_t therm_crit_store(struct device *dev, |
|
struct device_attribute *devattr, |
|
const char *buf, size_t count) |
|
{ |
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
|
struct pc87360_data *data = dev_get_drvdata(dev); |
|
long val; |
|
int err; |
|
|
|
err = kstrtol(buf, 10, &val); |
|
if (err) |
|
return err; |
|
|
|
mutex_lock(&data->update_lock); |
|
data->in_crit[attr->index-11] = IN_TO_REG(val, data->in_vref); |
|
pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_CRIT, |
|
data->in_crit[attr->index-11]); |
|
mutex_unlock(&data->update_lock); |
|
return count; |
|
} |
|
|
|
/* |
|
* the +11 term below reflects the fact that VLM units 11,12,13 are |
|
* used in the chip to measure voltage across the thermistors |
|
*/ |
|
static struct sensor_device_attribute therm_input[] = { |
|
SENSOR_ATTR_RO(temp4_input, therm_input, 0 + 11), |
|
SENSOR_ATTR_RO(temp5_input, therm_input, 1 + 11), |
|
SENSOR_ATTR_RO(temp6_input, therm_input, 2 + 11), |
|
}; |
|
static struct sensor_device_attribute therm_status[] = { |
|
SENSOR_ATTR_RO(temp4_status, therm_status, 0 + 11), |
|
SENSOR_ATTR_RO(temp5_status, therm_status, 1 + 11), |
|
SENSOR_ATTR_RO(temp6_status, therm_status, 2 + 11), |
|
}; |
|
static struct sensor_device_attribute therm_min[] = { |
|
SENSOR_ATTR_RW(temp4_min, therm_min, 0 + 11), |
|
SENSOR_ATTR_RW(temp5_min, therm_min, 1 + 11), |
|
SENSOR_ATTR_RW(temp6_min, therm_min, 2 + 11), |
|
}; |
|
static struct sensor_device_attribute therm_max[] = { |
|
SENSOR_ATTR_RW(temp4_max, therm_max, 0 + 11), |
|
SENSOR_ATTR_RW(temp5_max, therm_max, 1 + 11), |
|
SENSOR_ATTR_RW(temp6_max, therm_max, 2 + 11), |
|
}; |
|
static struct sensor_device_attribute therm_crit[] = { |
|
SENSOR_ATTR_RW(temp4_crit, therm_crit, 0 + 11), |
|
SENSOR_ATTR_RW(temp5_crit, therm_crit, 1 + 11), |
|
SENSOR_ATTR_RW(temp6_crit, therm_crit, 2 + 11), |
|
}; |
|
|
|
/* |
|
* show_therm_min/max_alarm() reads data from the per-channel voltage |
|
* status register (sec 11.5.12) |
|
*/ |
|
|
|
static ssize_t therm_min_alarm_show(struct device *dev, |
|
struct device_attribute *devattr, |
|
char *buf) |
|
{ |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
unsigned nr = to_sensor_dev_attr(devattr)->index; |
|
|
|
return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN)); |
|
} |
|
static ssize_t therm_max_alarm_show(struct device *dev, |
|
struct device_attribute *devattr, |
|
char *buf) |
|
{ |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
unsigned nr = to_sensor_dev_attr(devattr)->index; |
|
|
|
return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX)); |
|
} |
|
static ssize_t therm_crit_alarm_show(struct device *dev, |
|
struct device_attribute *devattr, |
|
char *buf) |
|
{ |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
unsigned nr = to_sensor_dev_attr(devattr)->index; |
|
|
|
return sprintf(buf, "%u\n", !!(data->in_status[nr] & TEMP_ALM_CRIT)); |
|
} |
|
|
|
static struct sensor_device_attribute therm_min_alarm[] = { |
|
SENSOR_ATTR_RO(temp4_min_alarm, therm_min_alarm, 0 + 11), |
|
SENSOR_ATTR_RO(temp5_min_alarm, therm_min_alarm, 1 + 11), |
|
SENSOR_ATTR_RO(temp6_min_alarm, therm_min_alarm, 2 + 11), |
|
}; |
|
static struct sensor_device_attribute therm_max_alarm[] = { |
|
SENSOR_ATTR_RO(temp4_max_alarm, therm_max_alarm, 0 + 11), |
|
SENSOR_ATTR_RO(temp5_max_alarm, therm_max_alarm, 1 + 11), |
|
SENSOR_ATTR_RO(temp6_max_alarm, therm_max_alarm, 2 + 11), |
|
}; |
|
static struct sensor_device_attribute therm_crit_alarm[] = { |
|
SENSOR_ATTR_RO(temp4_crit_alarm, therm_crit_alarm, 0 + 11), |
|
SENSOR_ATTR_RO(temp5_crit_alarm, therm_crit_alarm, 1 + 11), |
|
SENSOR_ATTR_RO(temp6_crit_alarm, therm_crit_alarm, 2 + 11), |
|
}; |
|
|
|
#define THERM_UNIT_ATTRS(X) \ |
|
&therm_input[X].dev_attr.attr, \ |
|
&therm_status[X].dev_attr.attr, \ |
|
&therm_min[X].dev_attr.attr, \ |
|
&therm_max[X].dev_attr.attr, \ |
|
&therm_crit[X].dev_attr.attr, \ |
|
&therm_min_alarm[X].dev_attr.attr, \ |
|
&therm_max_alarm[X].dev_attr.attr, \ |
|
&therm_crit_alarm[X].dev_attr.attr |
|
|
|
static struct attribute *pc8736x_therm_attr_array[] = { |
|
THERM_UNIT_ATTRS(0), |
|
THERM_UNIT_ATTRS(1), |
|
THERM_UNIT_ATTRS(2), |
|
NULL |
|
}; |
|
static const struct attribute_group pc8736x_therm_group = { |
|
.attrs = pc8736x_therm_attr_array, |
|
}; |
|
|
|
static ssize_t temp_input_show(struct device *dev, |
|
struct device_attribute *devattr, char *buf) |
|
{ |
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index])); |
|
} |
|
|
|
static ssize_t temp_min_show(struct device *dev, |
|
struct device_attribute *devattr, char *buf) |
|
{ |
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[attr->index])); |
|
} |
|
|
|
static ssize_t temp_max_show(struct device *dev, |
|
struct device_attribute *devattr, char *buf) |
|
{ |
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[attr->index])); |
|
} |
|
|
|
static ssize_t temp_crit_show(struct device *dev, |
|
struct device_attribute *devattr, char *buf) |
|
{ |
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
return sprintf(buf, "%d\n", |
|
TEMP_FROM_REG(data->temp_crit[attr->index])); |
|
} |
|
|
|
static ssize_t temp_status_show(struct device *dev, |
|
struct device_attribute *devattr, char *buf) |
|
{ |
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
return sprintf(buf, "%d\n", data->temp_status[attr->index]); |
|
} |
|
|
|
static ssize_t temp_min_store(struct device *dev, |
|
struct device_attribute *devattr, |
|
const char *buf, size_t count) |
|
{ |
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
|
struct pc87360_data *data = dev_get_drvdata(dev); |
|
long val; |
|
int err; |
|
|
|
err = kstrtol(buf, 10, &val); |
|
if (err) |
|
return err; |
|
|
|
mutex_lock(&data->update_lock); |
|
data->temp_min[attr->index] = TEMP_TO_REG(val); |
|
pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MIN, |
|
data->temp_min[attr->index]); |
|
mutex_unlock(&data->update_lock); |
|
return count; |
|
} |
|
|
|
static ssize_t temp_max_store(struct device *dev, |
|
struct device_attribute *devattr, |
|
const char *buf, size_t count) |
|
{ |
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
|
struct pc87360_data *data = dev_get_drvdata(dev); |
|
long val; |
|
int err; |
|
|
|
err = kstrtol(buf, 10, &val); |
|
if (err) |
|
return err; |
|
|
|
mutex_lock(&data->update_lock); |
|
data->temp_max[attr->index] = TEMP_TO_REG(val); |
|
pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MAX, |
|
data->temp_max[attr->index]); |
|
mutex_unlock(&data->update_lock); |
|
return count; |
|
} |
|
|
|
static ssize_t temp_crit_store(struct device *dev, |
|
struct device_attribute *devattr, |
|
const char *buf, size_t count) |
|
{ |
|
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
|
struct pc87360_data *data = dev_get_drvdata(dev); |
|
long val; |
|
int err; |
|
|
|
err = kstrtol(buf, 10, &val); |
|
if (err) |
|
return err; |
|
|
|
mutex_lock(&data->update_lock); |
|
data->temp_crit[attr->index] = TEMP_TO_REG(val); |
|
pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_CRIT, |
|
data->temp_crit[attr->index]); |
|
mutex_unlock(&data->update_lock); |
|
return count; |
|
} |
|
|
|
static struct sensor_device_attribute temp_input[] = { |
|
SENSOR_ATTR_RO(temp1_input, temp_input, 0), |
|
SENSOR_ATTR_RO(temp2_input, temp_input, 1), |
|
SENSOR_ATTR_RO(temp3_input, temp_input, 2), |
|
}; |
|
static struct sensor_device_attribute temp_status[] = { |
|
SENSOR_ATTR_RO(temp1_status, temp_status, 0), |
|
SENSOR_ATTR_RO(temp2_status, temp_status, 1), |
|
SENSOR_ATTR_RO(temp3_status, temp_status, 2), |
|
}; |
|
static struct sensor_device_attribute temp_min[] = { |
|
SENSOR_ATTR_RW(temp1_min, temp_min, 0), |
|
SENSOR_ATTR_RW(temp2_min, temp_min, 1), |
|
SENSOR_ATTR_RW(temp3_min, temp_min, 2), |
|
}; |
|
static struct sensor_device_attribute temp_max[] = { |
|
SENSOR_ATTR_RW(temp1_max, temp_max, 0), |
|
SENSOR_ATTR_RW(temp2_max, temp_max, 1), |
|
SENSOR_ATTR_RW(temp3_max, temp_max, 2), |
|
}; |
|
static struct sensor_device_attribute temp_crit[] = { |
|
SENSOR_ATTR_RW(temp1_crit, temp_crit, 0), |
|
SENSOR_ATTR_RW(temp2_crit, temp_crit, 1), |
|
SENSOR_ATTR_RW(temp3_crit, temp_crit, 2), |
|
}; |
|
|
|
static ssize_t alarms_temp_show(struct device *dev, |
|
struct device_attribute *attr, char *buf) |
|
{ |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
return sprintf(buf, "%u\n", data->temp_alarms); |
|
} |
|
|
|
static DEVICE_ATTR_RO(alarms_temp); |
|
|
|
/* |
|
* show_temp_min/max_alarm() reads data from the per-channel status |
|
* register (sec 12.3.7), not the temp event status registers (sec |
|
* 12.3.2) that show_temp_alarm() reads (via data->temp_alarms) |
|
*/ |
|
|
|
static ssize_t temp_min_alarm_show(struct device *dev, |
|
struct device_attribute *devattr, |
|
char *buf) |
|
{ |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
unsigned nr = to_sensor_dev_attr(devattr)->index; |
|
|
|
return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MIN)); |
|
} |
|
|
|
static ssize_t temp_max_alarm_show(struct device *dev, |
|
struct device_attribute *devattr, |
|
char *buf) |
|
{ |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
unsigned nr = to_sensor_dev_attr(devattr)->index; |
|
|
|
return sprintf(buf, "%u\n", !!(data->temp_status[nr] & CHAN_ALM_MAX)); |
|
} |
|
|
|
static ssize_t temp_crit_alarm_show(struct device *dev, |
|
struct device_attribute *devattr, |
|
char *buf) |
|
{ |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
unsigned nr = to_sensor_dev_attr(devattr)->index; |
|
|
|
return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_ALM_CRIT)); |
|
} |
|
|
|
static struct sensor_device_attribute temp_min_alarm[] = { |
|
SENSOR_ATTR_RO(temp1_min_alarm, temp_min_alarm, 0), |
|
SENSOR_ATTR_RO(temp2_min_alarm, temp_min_alarm, 1), |
|
SENSOR_ATTR_RO(temp3_min_alarm, temp_min_alarm, 2), |
|
}; |
|
|
|
static struct sensor_device_attribute temp_max_alarm[] = { |
|
SENSOR_ATTR_RO(temp1_max_alarm, temp_max_alarm, 0), |
|
SENSOR_ATTR_RO(temp2_max_alarm, temp_max_alarm, 1), |
|
SENSOR_ATTR_RO(temp3_max_alarm, temp_max_alarm, 2), |
|
}; |
|
|
|
static struct sensor_device_attribute temp_crit_alarm[] = { |
|
SENSOR_ATTR_RO(temp1_crit_alarm, temp_crit_alarm, 0), |
|
SENSOR_ATTR_RO(temp2_crit_alarm, temp_crit_alarm, 1), |
|
SENSOR_ATTR_RO(temp3_crit_alarm, temp_crit_alarm, 2), |
|
}; |
|
|
|
#define TEMP_FAULT 0x40 /* open diode */ |
|
static ssize_t temp_fault_show(struct device *dev, |
|
struct device_attribute *devattr, char *buf) |
|
{ |
|
struct pc87360_data *data = pc87360_update_device(dev); |
|
unsigned nr = to_sensor_dev_attr(devattr)->index; |
|
|
|
return sprintf(buf, "%u\n", !!(data->temp_status[nr] & TEMP_FAULT)); |
|
} |
|
static struct sensor_device_attribute temp_fault[] = { |
|
SENSOR_ATTR_RO(temp1_fault, temp_fault, 0), |
|
SENSOR_ATTR_RO(temp2_fault, temp_fault, 1), |
|
SENSOR_ATTR_RO(temp3_fault, temp_fault, 2), |
|
}; |
|
|
|
#define TEMP_UNIT_ATTRS(X) \ |
|
{ &temp_input[X].dev_attr.attr, \ |
|
&temp_status[X].dev_attr.attr, \ |
|
&temp_min[X].dev_attr.attr, \ |
|
&temp_max[X].dev_attr.attr, \ |
|
&temp_crit[X].dev_attr.attr, \ |
|
&temp_min_alarm[X].dev_attr.attr, \ |
|
&temp_max_alarm[X].dev_attr.attr, \ |
|
&temp_crit_alarm[X].dev_attr.attr, \ |
|
&temp_fault[X].dev_attr.attr, \ |
|
NULL \ |
|
} |
|
|
|
static struct attribute *pc8736x_temp_attr[][10] = { |
|
TEMP_UNIT_ATTRS(0), |
|
TEMP_UNIT_ATTRS(1), |
|
TEMP_UNIT_ATTRS(2) |
|
}; |
|
|
|
static const struct attribute_group pc8736x_temp_attr_group[] = { |
|
{ .attrs = pc8736x_temp_attr[0] }, |
|
{ .attrs = pc8736x_temp_attr[1] }, |
|
{ .attrs = pc8736x_temp_attr[2] } |
|
}; |
|
|
|
static ssize_t name_show(struct device *dev, |
|
struct device_attribute *devattr, char *buf) |
|
{ |
|
struct pc87360_data *data = dev_get_drvdata(dev); |
|
return sprintf(buf, "%s\n", data->name); |
|
} |
|
|
|
static DEVICE_ATTR_RO(name); |
|
|
|
/* |
|
* Device detection, registration and update |
|
*/ |
|
|
|
static int __init pc87360_find(int sioaddr, u8 *devid, |
|
unsigned short *addresses) |
|
{ |
|
u16 val; |
|
int i; |
|
int nrdev; /* logical device count */ |
|
|
|
/* No superio_enter */ |
|
|
|
/* Identify device */ |
|
val = force_id ? force_id : superio_inb(sioaddr, DEVID); |
|
switch (val) { |
|
case 0xE1: /* PC87360 */ |
|
case 0xE8: /* PC87363 */ |
|
case 0xE4: /* PC87364 */ |
|
nrdev = 1; |
|
break; |
|
case 0xE5: /* PC87365 */ |
|
case 0xE9: /* PC87366 */ |
|
nrdev = 3; |
|
break; |
|
default: |
|
superio_exit(sioaddr); |
|
return -ENODEV; |
|
} |
|
/* Remember the device id */ |
|
*devid = val; |
|
|
|
for (i = 0; i < nrdev; i++) { |
|
/* select logical device */ |
|
superio_outb(sioaddr, DEV, logdev[i]); |
|
|
|
val = superio_inb(sioaddr, ACT); |
|
if (!(val & 0x01)) { |
|
pr_info("Device 0x%02x not activated\n", logdev[i]); |
|
continue; |
|
} |
|
|
|
val = (superio_inb(sioaddr, BASE) << 8) |
|
| superio_inb(sioaddr, BASE + 1); |
|
if (!val) { |
|
pr_info("Base address not set for device 0x%02x\n", |
|
logdev[i]); |
|
continue; |
|
} |
|
|
|
addresses[i] = val; |
|
|
|
if (i == 0) { /* Fans */ |
|
confreg[0] = superio_inb(sioaddr, 0xF0); |
|
confreg[1] = superio_inb(sioaddr, 0xF1); |
|
|
|
pr_debug("Fan %d: mon=%d ctrl=%d inv=%d\n", 1, |
|
(confreg[0] >> 2) & 1, (confreg[0] >> 3) & 1, |
|
(confreg[0] >> 4) & 1); |
|
pr_debug("Fan %d: mon=%d ctrl=%d inv=%d\n", 2, |
|
(confreg[0] >> 5) & 1, (confreg[0] >> 6) & 1, |
|
(confreg[0] >> 7) & 1); |
|
pr_debug("Fan %d: mon=%d ctrl=%d inv=%d\n", 3, |
|
confreg[1] & 1, (confreg[1] >> 1) & 1, |
|
(confreg[1] >> 2) & 1); |
|
} else if (i == 1) { /* Voltages */ |
|
/* Are we using thermistors? */ |
|
if (*devid == 0xE9) { /* PC87366 */ |
|
/* |
|
* These registers are not logical-device |
|
* specific, just that we won't need them if |
|
* we don't use the VLM device |
|
*/ |
|
confreg[2] = superio_inb(sioaddr, 0x2B); |
|
confreg[3] = superio_inb(sioaddr, 0x25); |
|
|
|
if (confreg[2] & 0x40) { |
|
pr_info("Using thermistors for temperature monitoring\n"); |
|
} |
|
if (confreg[3] & 0xE0) { |
|
pr_info("VID inputs routed (mode %u)\n", |
|
confreg[3] >> 5); |
|
} |
|
} |
|
} |
|
} |
|
|
|
superio_exit(sioaddr); |
|
return 0; |
|
} |
|
|
|
static void pc87360_remove_files(struct device *dev) |
|
{ |
|
int i; |
|
|
|
device_remove_file(dev, &dev_attr_name); |
|
device_remove_file(dev, &dev_attr_alarms_temp); |
|
for (i = 0; i < ARRAY_SIZE(pc8736x_temp_attr_group); i++) |
|
sysfs_remove_group(&dev->kobj, &pc8736x_temp_attr_group[i]); |
|
for (i = 0; i < ARRAY_SIZE(pc8736x_fan_attr_group); i++) { |
|
sysfs_remove_group(&pdev->dev.kobj, &pc8736x_fan_attr_group[i]); |
|
device_remove_file(dev, &pwm[i].dev_attr); |
|
} |
|
sysfs_remove_group(&dev->kobj, &pc8736x_therm_group); |
|
sysfs_remove_group(&dev->kobj, &pc8736x_vin_group); |
|
} |
|
|
|
static int pc87360_probe(struct platform_device *pdev) |
|
{ |
|
int i; |
|
struct pc87360_data *data; |
|
int err = 0; |
|
const char *name; |
|
int use_thermistors = 0; |
|
struct device *dev = &pdev->dev; |
|
|
|
data = devm_kzalloc(dev, sizeof(struct pc87360_data), GFP_KERNEL); |
|
if (!data) |
|
return -ENOMEM; |
|
|
|
switch (devid) { |
|
default: |
|
name = "pc87360"; |
|
data->fannr = 2; |
|
break; |
|
case 0xe8: |
|
name = "pc87363"; |
|
data->fannr = 2; |
|
break; |
|
case 0xe4: |
|
name = "pc87364"; |
|
data->fannr = 3; |
|
break; |
|
case 0xe5: |
|
name = "pc87365"; |
|
data->fannr = extra_isa[0] ? 3 : 0; |
|
data->innr = extra_isa[1] ? 11 : 0; |
|
data->tempnr = extra_isa[2] ? 2 : 0; |
|
break; |
|
case 0xe9: |
|
name = "pc87366"; |
|
data->fannr = extra_isa[0] ? 3 : 0; |
|
data->innr = extra_isa[1] ? 14 : 0; |
|
data->tempnr = extra_isa[2] ? 3 : 0; |
|
break; |
|
} |
|
|
|
data->name = name; |
|
mutex_init(&data->lock); |
|
mutex_init(&data->update_lock); |
|
platform_set_drvdata(pdev, data); |
|
|
|
for (i = 0; i < LDNI_MAX; i++) { |
|
data->address[i] = extra_isa[i]; |
|
if (data->address[i] |
|
&& !devm_request_region(dev, extra_isa[i], PC87360_EXTENT, |
|
pc87360_driver.driver.name)) { |
|
dev_err(dev, |
|
"Region 0x%x-0x%x already in use!\n", |
|
extra_isa[i], extra_isa[i]+PC87360_EXTENT-1); |
|
return -EBUSY; |
|
} |
|
} |
|
|
|
/* Retrieve the fans configuration from Super-I/O space */ |
|
if (data->fannr) |
|
data->fan_conf = confreg[0] | (confreg[1] << 8); |
|
|
|
/* |
|
* Use the correct reference voltage |
|
* Unless both the VLM and the TMS logical devices agree to |
|
* use an external Vref, the internal one is used. |
|
*/ |
|
if (data->innr) { |
|
i = pc87360_read_value(data, LD_IN, NO_BANK, |
|
PC87365_REG_IN_CONFIG); |
|
if (data->tempnr) { |
|
i &= pc87360_read_value(data, LD_TEMP, NO_BANK, |
|
PC87365_REG_TEMP_CONFIG); |
|
} |
|
data->in_vref = (i&0x02) ? 3025 : 2966; |
|
dev_dbg(dev, "Using %s reference voltage\n", |
|
(i&0x02) ? "external" : "internal"); |
|
|
|
data->vid_conf = confreg[3]; |
|
data->vrm = vid_which_vrm(); |
|
} |
|
|
|
/* Fan clock dividers may be needed before any data is read */ |
|
for (i = 0; i < data->fannr; i++) { |
|
if (FAN_CONFIG_MONITOR(data->fan_conf, i)) |
|
data->fan_status[i] = pc87360_read_value(data, |
|
LD_FAN, NO_BANK, |
|
PC87360_REG_FAN_STATUS(i)); |
|
} |
|
|
|
if (init > 0) { |
|
if (devid == 0xe9 && data->address[1]) /* PC87366 */ |
|
use_thermistors = confreg[2] & 0x40; |
|
|
|
pc87360_init_device(pdev, use_thermistors); |
|
} |
|
|
|
/* Register all-or-nothing sysfs groups */ |
|
|
|
if (data->innr) { |
|
err = sysfs_create_group(&dev->kobj, &pc8736x_vin_group); |
|
if (err) |
|
goto error; |
|
} |
|
|
|
if (data->innr == 14) { |
|
err = sysfs_create_group(&dev->kobj, &pc8736x_therm_group); |
|
if (err) |
|
goto error; |
|
} |
|
|
|
/* create device attr-files for varying sysfs groups */ |
|
|
|
if (data->tempnr) { |
|
for (i = 0; i < data->tempnr; i++) { |
|
err = sysfs_create_group(&dev->kobj, |
|
&pc8736x_temp_attr_group[i]); |
|
if (err) |
|
goto error; |
|
} |
|
err = device_create_file(dev, &dev_attr_alarms_temp); |
|
if (err) |
|
goto error; |
|
} |
|
|
|
for (i = 0; i < data->fannr; i++) { |
|
if (FAN_CONFIG_MONITOR(data->fan_conf, i)) { |
|
err = sysfs_create_group(&dev->kobj, |
|
&pc8736x_fan_attr_group[i]); |
|
if (err) |
|
goto error; |
|
} |
|
if (FAN_CONFIG_CONTROL(data->fan_conf, i)) { |
|
err = device_create_file(dev, &pwm[i].dev_attr); |
|
if (err) |
|
goto error; |
|
} |
|
} |
|
|
|
err = device_create_file(dev, &dev_attr_name); |
|
if (err) |
|
goto error; |
|
|
|
data->hwmon_dev = hwmon_device_register(dev); |
|
if (IS_ERR(data->hwmon_dev)) { |
|
err = PTR_ERR(data->hwmon_dev); |
|
goto error; |
|
} |
|
return 0; |
|
|
|
error: |
|
pc87360_remove_files(dev); |
|
return err; |
|
} |
|
|
|
static int pc87360_remove(struct platform_device *pdev) |
|
{ |
|
struct pc87360_data *data = platform_get_drvdata(pdev); |
|
|
|
hwmon_device_unregister(data->hwmon_dev); |
|
pc87360_remove_files(&pdev->dev); |
|
|
|
return 0; |
|
} |
|
|
|
/* |
|
* ldi is the logical device index |
|
* bank is for voltages and temperatures only |
|
*/ |
|
static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank, |
|
u8 reg) |
|
{ |
|
int res; |
|
|
|
mutex_lock(&(data->lock)); |
|
if (bank != NO_BANK) |
|
outb_p(bank, data->address[ldi] + PC87365_REG_BANK); |
|
res = inb_p(data->address[ldi] + reg); |
|
mutex_unlock(&(data->lock)); |
|
|
|
return res; |
|
} |
|
|
|
static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank, |
|
u8 reg, u8 value) |
|
{ |
|
mutex_lock(&(data->lock)); |
|
if (bank != NO_BANK) |
|
outb_p(bank, data->address[ldi] + PC87365_REG_BANK); |
|
outb_p(value, data->address[ldi] + reg); |
|
mutex_unlock(&(data->lock)); |
|
} |
|
|
|
/* (temp & vin) channel conversion status register flags (pdf sec.11.5.12) */ |
|
#define CHAN_CNVRTD 0x80 /* new data ready */ |
|
#define CHAN_ENA 0x01 /* enabled channel (temp or vin) */ |
|
#define CHAN_ALM_ENA 0x10 /* propagate to alarms-reg ?? (chk val!) */ |
|
#define CHAN_READY (CHAN_ENA|CHAN_CNVRTD) /* sample ready mask */ |
|
|
|
#define TEMP_OTS_OE 0x20 /* OTS Output Enable */ |
|
#define VIN_RW1C_MASK (CHAN_READY|CHAN_ALM_MAX|CHAN_ALM_MIN) /* 0x87 */ |
|
#define TEMP_RW1C_MASK (VIN_RW1C_MASK|TEMP_ALM_CRIT|TEMP_FAULT) /* 0xCF */ |
|
|
|
static void pc87360_init_device(struct platform_device *pdev, |
|
int use_thermistors) |
|
{ |
|
struct pc87360_data *data = platform_get_drvdata(pdev); |
|
int i, nr; |
|
const u8 init_in[14] = { 2, 2, 2, 2, 2, 2, 2, 1, 1, 3, 1, 2, 2, 2 }; |
|
const u8 init_temp[3] = { 2, 2, 1 }; |
|
u8 reg; |
|
|
|
if (init >= 2 && data->innr) { |
|
reg = pc87360_read_value(data, LD_IN, NO_BANK, |
|
PC87365_REG_IN_CONVRATE); |
|
dev_info(&pdev->dev, |
|
"VLM conversion set to 1s period, 160us delay\n"); |
|
pc87360_write_value(data, LD_IN, NO_BANK, |
|
PC87365_REG_IN_CONVRATE, |
|
(reg & 0xC0) | 0x11); |
|
} |
|
|
|
nr = data->innr < 11 ? data->innr : 11; |
|
for (i = 0; i < nr; i++) { |
|
reg = pc87360_read_value(data, LD_IN, i, |
|
PC87365_REG_IN_STATUS); |
|
dev_dbg(&pdev->dev, "bios in%d status:0x%02x\n", i, reg); |
|
if (init >= init_in[i]) { |
|
/* Forcibly enable voltage channel */ |
|
if (!(reg & CHAN_ENA)) { |
|
dev_dbg(&pdev->dev, "Forcibly enabling in%d\n", |
|
i); |
|
pc87360_write_value(data, LD_IN, i, |
|
PC87365_REG_IN_STATUS, |
|
(reg & 0x68) | 0x87); |
|
} |
|
} |
|
} |
|
|
|
/* |
|
* We can't blindly trust the Super-I/O space configuration bit, |
|
* most BIOS won't set it properly |
|
*/ |
|
dev_dbg(&pdev->dev, "bios thermistors:%d\n", use_thermistors); |
|
for (i = 11; i < data->innr; i++) { |
|
reg = pc87360_read_value(data, LD_IN, i, |
|
PC87365_REG_TEMP_STATUS); |
|
use_thermistors = use_thermistors || (reg & CHAN_ENA); |
|
/* thermistors are temp[4-6], measured on vin[11-14] */ |
|
dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i-7, reg); |
|
} |
|
dev_dbg(&pdev->dev, "using thermistors:%d\n", use_thermistors); |
|
|
|
i = use_thermistors ? 2 : 0; |
|
for (; i < data->tempnr; i++) { |
|
reg = pc87360_read_value(data, LD_TEMP, i, |
|
PC87365_REG_TEMP_STATUS); |
|
dev_dbg(&pdev->dev, "bios temp%d_status:0x%02x\n", i + 1, reg); |
|
if (init >= init_temp[i]) { |
|
/* Forcibly enable temperature channel */ |
|
if (!(reg & CHAN_ENA)) { |
|
dev_dbg(&pdev->dev, |
|
"Forcibly enabling temp%d\n", i + 1); |
|
pc87360_write_value(data, LD_TEMP, i, |
|
PC87365_REG_TEMP_STATUS, |
|
0xCF); |
|
} |
|
} |
|
} |
|
|
|
if (use_thermistors) { |
|
for (i = 11; i < data->innr; i++) { |
|
if (init >= init_in[i]) { |
|
/* |
|
* The pin may already be used by thermal |
|
* diodes |
|
*/ |
|
reg = pc87360_read_value(data, LD_TEMP, |
|
(i - 11) / 2, PC87365_REG_TEMP_STATUS); |
|
if (reg & CHAN_ENA) { |
|
dev_dbg(&pdev->dev, |
|
"Skipping temp%d, pin already in use by temp%d\n", |
|
i - 7, (i - 11) / 2); |
|
continue; |
|
} |
|
|
|
/* Forcibly enable thermistor channel */ |
|
reg = pc87360_read_value(data, LD_IN, i, |
|
PC87365_REG_IN_STATUS); |
|
if (!(reg & CHAN_ENA)) { |
|
dev_dbg(&pdev->dev, |
|
"Forcibly enabling temp%d\n", |
|
i - 7); |
|
pc87360_write_value(data, LD_IN, i, |
|
PC87365_REG_TEMP_STATUS, |
|
(reg & 0x60) | 0x8F); |
|
} |
|
} |
|
} |
|
} |
|
|
|
if (data->innr) { |
|
reg = pc87360_read_value(data, LD_IN, NO_BANK, |
|
PC87365_REG_IN_CONFIG); |
|
dev_dbg(&pdev->dev, "bios vin-cfg:0x%02x\n", reg); |
|
if (reg & CHAN_ENA) { |
|
dev_dbg(&pdev->dev, |
|
"Forcibly enabling monitoring (VLM)\n"); |
|
pc87360_write_value(data, LD_IN, NO_BANK, |
|
PC87365_REG_IN_CONFIG, |
|
reg & 0xFE); |
|
} |
|
} |
|
|
|
if (data->tempnr) { |
|
reg = pc87360_read_value(data, LD_TEMP, NO_BANK, |
|
PC87365_REG_TEMP_CONFIG); |
|
dev_dbg(&pdev->dev, "bios temp-cfg:0x%02x\n", reg); |
|
if (reg & CHAN_ENA) { |
|
dev_dbg(&pdev->dev, |
|
"Forcibly enabling monitoring (TMS)\n"); |
|
pc87360_write_value(data, LD_TEMP, NO_BANK, |
|
PC87365_REG_TEMP_CONFIG, |
|
reg & 0xFE); |
|
} |
|
|
|
if (init >= 2) { |
|
/* Chip config as documented by National Semi. */ |
|
pc87360_write_value(data, LD_TEMP, 0xF, 0xA, 0x08); |
|
/* |
|
* We voluntarily omit the bank here, in case the |
|
* sequence itself matters. It shouldn't be a problem, |
|
* since nobody else is supposed to access the |
|
* device at that point. |
|
*/ |
|
pc87360_write_value(data, LD_TEMP, NO_BANK, 0xB, 0x04); |
|
pc87360_write_value(data, LD_TEMP, NO_BANK, 0xC, 0x35); |
|
pc87360_write_value(data, LD_TEMP, NO_BANK, 0xD, 0x05); |
|
pc87360_write_value(data, LD_TEMP, NO_BANK, 0xE, 0x05); |
|
} |
|
} |
|
} |
|
|
|
static void pc87360_autodiv(struct device *dev, int nr) |
|
{ |
|
struct pc87360_data *data = dev_get_drvdata(dev); |
|
u8 old_min = data->fan_min[nr]; |
|
|
|
/* Increase clock divider if needed and possible */ |
|
if ((data->fan_status[nr] & 0x04) /* overflow flag */ |
|
|| (data->fan[nr] >= 224)) { /* next to overflow */ |
|
if ((data->fan_status[nr] & 0x60) != 0x60) { |
|
data->fan_status[nr] += 0x20; |
|
data->fan_min[nr] >>= 1; |
|
data->fan[nr] >>= 1; |
|
dev_dbg(dev, |
|
"Increasing clock divider to %d for fan %d\n", |
|
FAN_DIV_FROM_REG(data->fan_status[nr]), nr + 1); |
|
} |
|
} else { |
|
/* Decrease clock divider if possible */ |
|
while (!(data->fan_min[nr] & 0x80) /* min "nails" divider */ |
|
&& data->fan[nr] < 85 /* bad accuracy */ |
|
&& (data->fan_status[nr] & 0x60) != 0x00) { |
|
data->fan_status[nr] -= 0x20; |
|
data->fan_min[nr] <<= 1; |
|
data->fan[nr] <<= 1; |
|
dev_dbg(dev, |
|
"Decreasing clock divider to %d for fan %d\n", |
|
FAN_DIV_FROM_REG(data->fan_status[nr]), |
|
nr + 1); |
|
} |
|
} |
|
|
|
/* Write new fan min if it changed */ |
|
if (old_min != data->fan_min[nr]) { |
|
pc87360_write_value(data, LD_FAN, NO_BANK, |
|
PC87360_REG_FAN_MIN(nr), |
|
data->fan_min[nr]); |
|
} |
|
} |
|
|
|
static struct pc87360_data *pc87360_update_device(struct device *dev) |
|
{ |
|
struct pc87360_data *data = dev_get_drvdata(dev); |
|
u8 i; |
|
|
|
mutex_lock(&data->update_lock); |
|
|
|
if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) { |
|
dev_dbg(dev, "Data update\n"); |
|
|
|
/* Fans */ |
|
for (i = 0; i < data->fannr; i++) { |
|
if (FAN_CONFIG_MONITOR(data->fan_conf, i)) { |
|
data->fan_status[i] = |
|
pc87360_read_value(data, LD_FAN, |
|
NO_BANK, PC87360_REG_FAN_STATUS(i)); |
|
data->fan[i] = pc87360_read_value(data, LD_FAN, |
|
NO_BANK, PC87360_REG_FAN(i)); |
|
data->fan_min[i] = pc87360_read_value(data, |
|
LD_FAN, NO_BANK, |
|
PC87360_REG_FAN_MIN(i)); |
|
/* Change clock divider if needed */ |
|
pc87360_autodiv(dev, i); |
|
/* Clear bits and write new divider */ |
|
pc87360_write_value(data, LD_FAN, NO_BANK, |
|
PC87360_REG_FAN_STATUS(i), |
|
data->fan_status[i]); |
|
} |
|
if (FAN_CONFIG_CONTROL(data->fan_conf, i)) |
|
data->pwm[i] = pc87360_read_value(data, LD_FAN, |
|
NO_BANK, PC87360_REG_PWM(i)); |
|
} |
|
|
|
/* Voltages */ |
|
for (i = 0; i < data->innr; i++) { |
|
data->in_status[i] = pc87360_read_value(data, LD_IN, i, |
|
PC87365_REG_IN_STATUS); |
|
/* Clear bits */ |
|
pc87360_write_value(data, LD_IN, i, |
|
PC87365_REG_IN_STATUS, |
|
data->in_status[i]); |
|
if ((data->in_status[i] & CHAN_READY) == CHAN_READY) { |
|
data->in[i] = pc87360_read_value(data, LD_IN, |
|
i, PC87365_REG_IN); |
|
} |
|
if (data->in_status[i] & CHAN_ENA) { |
|
data->in_min[i] = pc87360_read_value(data, |
|
LD_IN, i, |
|
PC87365_REG_IN_MIN); |
|
data->in_max[i] = pc87360_read_value(data, |
|
LD_IN, i, |
|
PC87365_REG_IN_MAX); |
|
if (i >= 11) |
|
data->in_crit[i-11] = |
|
pc87360_read_value(data, LD_IN, |
|
i, PC87365_REG_TEMP_CRIT); |
|
} |
|
} |
|
if (data->innr) { |
|
data->in_alarms = pc87360_read_value(data, LD_IN, |
|
NO_BANK, PC87365_REG_IN_ALARMS1) |
|
| ((pc87360_read_value(data, LD_IN, |
|
NO_BANK, PC87365_REG_IN_ALARMS2) |
|
& 0x07) << 8); |
|
data->vid = (data->vid_conf & 0xE0) ? |
|
pc87360_read_value(data, LD_IN, |
|
NO_BANK, PC87365_REG_VID) : 0x1F; |
|
} |
|
|
|
/* Temperatures */ |
|
for (i = 0; i < data->tempnr; i++) { |
|
data->temp_status[i] = pc87360_read_value(data, |
|
LD_TEMP, i, |
|
PC87365_REG_TEMP_STATUS); |
|
/* Clear bits */ |
|
pc87360_write_value(data, LD_TEMP, i, |
|
PC87365_REG_TEMP_STATUS, |
|
data->temp_status[i]); |
|
if ((data->temp_status[i] & CHAN_READY) == CHAN_READY) { |
|
data->temp[i] = pc87360_read_value(data, |
|
LD_TEMP, i, |
|
PC87365_REG_TEMP); |
|
} |
|
if (data->temp_status[i] & CHAN_ENA) { |
|
data->temp_min[i] = pc87360_read_value(data, |
|
LD_TEMP, i, |
|
PC87365_REG_TEMP_MIN); |
|
data->temp_max[i] = pc87360_read_value(data, |
|
LD_TEMP, i, |
|
PC87365_REG_TEMP_MAX); |
|
data->temp_crit[i] = pc87360_read_value(data, |
|
LD_TEMP, i, |
|
PC87365_REG_TEMP_CRIT); |
|
} |
|
} |
|
if (data->tempnr) { |
|
data->temp_alarms = pc87360_read_value(data, LD_TEMP, |
|
NO_BANK, PC87365_REG_TEMP_ALARMS) |
|
& 0x3F; |
|
} |
|
|
|
data->last_updated = jiffies; |
|
data->valid = 1; |
|
} |
|
|
|
mutex_unlock(&data->update_lock); |
|
|
|
return data; |
|
} |
|
|
|
static int __init pc87360_device_add(unsigned short address) |
|
{ |
|
struct resource res[3]; |
|
int err, i, res_count; |
|
|
|
pdev = platform_device_alloc("pc87360", address); |
|
if (!pdev) { |
|
err = -ENOMEM; |
|
pr_err("Device allocation failed\n"); |
|
goto exit; |
|
} |
|
|
|
memset(res, 0, 3 * sizeof(struct resource)); |
|
res_count = 0; |
|
for (i = 0; i < 3; i++) { |
|
if (!extra_isa[i]) |
|
continue; |
|
res[res_count].start = extra_isa[i]; |
|
res[res_count].end = extra_isa[i] + PC87360_EXTENT - 1; |
|
res[res_count].name = "pc87360"; |
|
res[res_count].flags = IORESOURCE_IO; |
|
|
|
err = acpi_check_resource_conflict(&res[res_count]); |
|
if (err) |
|
goto exit_device_put; |
|
|
|
res_count++; |
|
} |
|
|
|
err = platform_device_add_resources(pdev, res, res_count); |
|
if (err) { |
|
pr_err("Device resources addition failed (%d)\n", err); |
|
goto exit_device_put; |
|
} |
|
|
|
err = platform_device_add(pdev); |
|
if (err) { |
|
pr_err("Device addition failed (%d)\n", err); |
|
goto exit_device_put; |
|
} |
|
|
|
return 0; |
|
|
|
exit_device_put: |
|
platform_device_put(pdev); |
|
exit: |
|
return err; |
|
} |
|
|
|
static int __init pc87360_init(void) |
|
{ |
|
int err, i; |
|
unsigned short address = 0; |
|
|
|
if (pc87360_find(0x2e, &devid, extra_isa) |
|
&& pc87360_find(0x4e, &devid, extra_isa)) { |
|
pr_warn("PC8736x not detected, module not inserted\n"); |
|
return -ENODEV; |
|
} |
|
|
|
/* Arbitrarily pick one of the addresses */ |
|
for (i = 0; i < 3; i++) { |
|
if (extra_isa[i] != 0x0000) { |
|
address = extra_isa[i]; |
|
break; |
|
} |
|
} |
|
|
|
if (address == 0x0000) { |
|
pr_warn("No active logical device, module not inserted\n"); |
|
return -ENODEV; |
|
} |
|
|
|
err = platform_driver_register(&pc87360_driver); |
|
if (err) |
|
goto exit; |
|
|
|
/* Sets global pdev as a side effect */ |
|
err = pc87360_device_add(address); |
|
if (err) |
|
goto exit_driver; |
|
|
|
return 0; |
|
|
|
exit_driver: |
|
platform_driver_unregister(&pc87360_driver); |
|
exit: |
|
return err; |
|
} |
|
|
|
static void __exit pc87360_exit(void) |
|
{ |
|
platform_device_unregister(pdev); |
|
platform_driver_unregister(&pc87360_driver); |
|
} |
|
|
|
|
|
MODULE_AUTHOR("Jean Delvare <[email protected]>"); |
|
MODULE_DESCRIPTION("PC8736x hardware monitor"); |
|
MODULE_LICENSE("GPL"); |
|
|
|
module_init(pc87360_init); |
|
module_exit(pc87360_exit);
|
|
|