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drivers/hwmon/vt1211.c
37.3 KB
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/* * vt1211.c - driver for the VIA VT1211 Super-I/O chip integrated hardware * monitoring features * Copyright (C) 2006 Juerg Haefliger <juergh@gmail.com> * * This driver is based on the driver for kernel 2.4 by Mark D. Studebaker * and its port to kernel 2.6 by Lars Ekman. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
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#include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/jiffies.h> #include <linux/platform_device.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> #include <linux/hwmon-vid.h> #include <linux/err.h> #include <linux/mutex.h> |
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#include <linux/ioport.h> |
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#include <linux/acpi.h> |
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#include <linux/io.h> |
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static int uch_config = -1; module_param(uch_config, int, 0); MODULE_PARM_DESC(uch_config, "Initialize the universal channel configuration"); static int int_mode = -1; module_param(int_mode, int, 0); MODULE_PARM_DESC(int_mode, "Force the temperature interrupt mode"); |
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static unsigned short force_id; module_param(force_id, ushort, 0); MODULE_PARM_DESC(force_id, "Override the detected device ID"); |
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static struct platform_device *pdev; #define DRVNAME "vt1211" /* --------------------------------------------------------------------- * Registers * * The sensors are defined as follows. * * Sensor Voltage Mode Temp Mode Notes (from the datasheet) * -------- ------------ --------- -------------------------- * Reading 1 temp1 Intel thermal diode * Reading 3 temp2 Internal thermal diode * UCH1/Reading2 in0 temp3 NTC type thermistor * UCH2 in1 temp4 +2.5V * UCH3 in2 temp5 VccP * UCH4 in3 temp6 +5V * UCH5 in4 temp7 +12V * 3.3V in5 Internal VDD (+3.3V) * * --------------------------------------------------------------------- */ /* Voltages (in) numbered 0-5 (ix) */ #define VT1211_REG_IN(ix) (0x21 + (ix)) #define VT1211_REG_IN_MIN(ix) ((ix) == 0 ? 0x3e : 0x2a + 2 * (ix)) #define VT1211_REG_IN_MAX(ix) ((ix) == 0 ? 0x3d : 0x29 + 2 * (ix)) /* Temperatures (temp) numbered 0-6 (ix) */ static u8 regtemp[] = {0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25}; static u8 regtempmax[] = {0x39, 0x1d, 0x3d, 0x2b, 0x2d, 0x2f, 0x31}; static u8 regtemphyst[] = {0x3a, 0x1e, 0x3e, 0x2c, 0x2e, 0x30, 0x32}; /* Fans numbered 0-1 (ix) */ #define VT1211_REG_FAN(ix) (0x29 + (ix)) #define VT1211_REG_FAN_MIN(ix) (0x3b + (ix)) #define VT1211_REG_FAN_DIV 0x47 /* PWMs numbered 0-1 (ix) */ /* Auto points numbered 0-3 (ap) */ #define VT1211_REG_PWM(ix) (0x60 + (ix)) #define VT1211_REG_PWM_CLK 0x50 #define VT1211_REG_PWM_CTL 0x51 #define VT1211_REG_PWM_AUTO_TEMP(ap) (0x55 - (ap)) #define VT1211_REG_PWM_AUTO_PWM(ix, ap) (0x58 + 2 * (ix) - (ap)) /* Miscellaneous registers */ #define VT1211_REG_CONFIG 0x40 #define VT1211_REG_ALARM1 0x41 #define VT1211_REG_ALARM2 0x42 #define VT1211_REG_VID 0x45 #define VT1211_REG_UCH_CONFIG 0x4a #define VT1211_REG_TEMP1_CONFIG 0x4b #define VT1211_REG_TEMP2_CONFIG 0x4c /* In, temp & fan alarm bits */ static const u8 bitalarmin[] = {11, 0, 1, 3, 8, 2, 9}; static const u8 bitalarmtemp[] = {4, 15, 11, 0, 1, 3, 8}; static const u8 bitalarmfan[] = {6, 7}; /* --------------------------------------------------------------------- * Data structures and manipulation thereof * --------------------------------------------------------------------- */ struct vt1211_data { unsigned short addr; const char *name; |
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struct device *hwmon_dev; |
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struct mutex update_lock; char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ /* Register values */ u8 in[6]; u8 in_max[6]; u8 in_min[6]; u8 temp[7]; u8 temp_max[7]; u8 temp_hyst[7]; u8 fan[2]; u8 fan_min[2]; u8 fan_div[2]; u8 fan_ctl; u8 pwm[2]; u8 pwm_ctl[2]; u8 pwm_clk; u8 pwm_auto_temp[4]; u8 pwm_auto_pwm[2][4]; u8 vid; /* Read once at init time */ u8 vrm; u8 uch_config; /* Read once at init time */ u16 alarms; }; /* ix = [0-5] */ #define ISVOLT(ix, uch_config) ((ix) > 4 ? 1 : \ !(((uch_config) >> ((ix) + 2)) & 1)) /* ix = [0-6] */ #define ISTEMP(ix, uch_config) ((ix) < 2 ? 1 : \ ((uch_config) >> (ix)) & 1) |
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/* * in5 (ix = 5) is special. It's the internal 3.3V so it's scaled in the * driver according to the VT1211 BIOS porting guide */ |
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#define IN_FROM_REG(ix, reg) ((reg) < 3 ? 0 : (ix) == 5 ? \ (((reg) - 3) * 15882 + 479) / 958 : \ (((reg) - 3) * 10000 + 479) / 958) |
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#define IN_TO_REG(ix, val) (clamp_val((ix) == 5 ? \ |
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((val) * 958 + 7941) / 15882 + 3 : \ ((val) * 958 + 5000) / 10000 + 3, 0, 255)) |
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/* * temp1 (ix = 0) is an intel thermal diode which is scaled in user space. * temp2 (ix = 1) is the internal temp diode so it's scaled in the driver * according to some measurements that I took on an EPIA M10000. * temp3-7 are thermistor based so the driver returns the voltage measured at * the pin (range 0V - 2.2V). */ |
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#define TEMP_FROM_REG(ix, reg) ((ix) == 0 ? (reg) * 1000 : \ (ix) == 1 ? (reg) < 51 ? 0 : \ ((reg) - 51) * 1000 : \ ((253 - (reg)) * 2200 + 105) / 210) |
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#define TEMP_TO_REG(ix, val) clamp_val( \ |
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((ix) == 0 ? ((val) + 500) / 1000 : \ (ix) == 1 ? ((val) + 500) / 1000 + 51 : \ 253 - ((val) * 210 + 1100) / 2200), 0, 255) #define DIV_FROM_REG(reg) (1 << (reg)) #define RPM_FROM_REG(reg, div) (((reg) == 0) || ((reg) == 255) ? 0 : \ 1310720 / (reg) / DIV_FROM_REG(div)) #define RPM_TO_REG(val, div) ((val) == 0 ? 255 : \ |
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clamp_val((1310720 / (val) / \ |
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DIV_FROM_REG(div)), 1, 254)) /* --------------------------------------------------------------------- * Super-I/O constants and functions * --------------------------------------------------------------------- */ |
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/* * Configuration index port registers * The vt1211 can live at 2 different addresses so we need to probe both */ |
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#define SIO_REG_CIP1 0x2e #define SIO_REG_CIP2 0x4e |
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/* Configuration registers */ #define SIO_VT1211_LDN 0x07 /* logical device number */ #define SIO_VT1211_DEVID 0x20 /* device ID */ #define SIO_VT1211_DEVREV 0x21 /* device revision */ #define SIO_VT1211_ACTIVE 0x30 /* HW monitor active */ #define SIO_VT1211_BADDR 0x60 /* base I/O address */ #define SIO_VT1211_ID 0x3c /* VT1211 device ID */ /* VT1211 logical device numbers */ #define SIO_VT1211_LDN_HWMON 0x0b /* HW monitor */ |
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static inline void superio_outb(int sio_cip, int reg, int val) |
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{ |
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outb(reg, sio_cip); outb(val, sio_cip + 1); |
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} |
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static inline int superio_inb(int sio_cip, int reg) |
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{ |
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outb(reg, sio_cip); return inb(sio_cip + 1); |
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} |
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static inline void superio_select(int sio_cip, int ldn) |
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{ |
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outb(SIO_VT1211_LDN, sio_cip); outb(ldn, sio_cip + 1); |
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} |
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static inline void superio_enter(int sio_cip) |
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{ |
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outb(0x87, sio_cip); outb(0x87, sio_cip); |
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} |
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static inline void superio_exit(int sio_cip) |
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{ |
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outb(0xaa, sio_cip); |
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} /* --------------------------------------------------------------------- * Device I/O access * --------------------------------------------------------------------- */ static inline u8 vt1211_read8(struct vt1211_data *data, u8 reg) { return inb(data->addr + reg); } static inline void vt1211_write8(struct vt1211_data *data, u8 reg, u8 val) { outb(val, data->addr + reg); } static struct vt1211_data *vt1211_update_device(struct device *dev) { struct vt1211_data *data = dev_get_drvdata(dev); int ix, val; mutex_lock(&data->update_lock); /* registers cache is refreshed after 1 second */ if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { /* read VID */ data->vid = vt1211_read8(data, VT1211_REG_VID) & 0x1f; /* voltage (in) registers */ for (ix = 0; ix < ARRAY_SIZE(data->in); ix++) { if (ISVOLT(ix, data->uch_config)) { data->in[ix] = vt1211_read8(data, VT1211_REG_IN(ix)); data->in_min[ix] = vt1211_read8(data, VT1211_REG_IN_MIN(ix)); data->in_max[ix] = vt1211_read8(data, VT1211_REG_IN_MAX(ix)); } } /* temp registers */ for (ix = 0; ix < ARRAY_SIZE(data->temp); ix++) { if (ISTEMP(ix, data->uch_config)) { data->temp[ix] = vt1211_read8(data, regtemp[ix]); data->temp_max[ix] = vt1211_read8(data, regtempmax[ix]); data->temp_hyst[ix] = vt1211_read8(data, regtemphyst[ix]); } } /* fan & pwm registers */ for (ix = 0; ix < ARRAY_SIZE(data->fan); ix++) { data->fan[ix] = vt1211_read8(data, VT1211_REG_FAN(ix)); data->fan_min[ix] = vt1211_read8(data, VT1211_REG_FAN_MIN(ix)); data->pwm[ix] = vt1211_read8(data, VT1211_REG_PWM(ix)); } val = vt1211_read8(data, VT1211_REG_FAN_DIV); data->fan_div[0] = (val >> 4) & 3; data->fan_div[1] = (val >> 6) & 3; data->fan_ctl = val & 0xf; val = vt1211_read8(data, VT1211_REG_PWM_CTL); data->pwm_ctl[0] = val & 0xf; data->pwm_ctl[1] = (val >> 4) & 0xf; data->pwm_clk = vt1211_read8(data, VT1211_REG_PWM_CLK); /* pwm & temp auto point registers */ data->pwm_auto_pwm[0][1] = vt1211_read8(data, VT1211_REG_PWM_AUTO_PWM(0, 1)); data->pwm_auto_pwm[0][2] = vt1211_read8(data, VT1211_REG_PWM_AUTO_PWM(0, 2)); data->pwm_auto_pwm[1][1] = vt1211_read8(data, VT1211_REG_PWM_AUTO_PWM(1, 1)); data->pwm_auto_pwm[1][2] = vt1211_read8(data, VT1211_REG_PWM_AUTO_PWM(1, 2)); for (ix = 0; ix < ARRAY_SIZE(data->pwm_auto_temp); ix++) { data->pwm_auto_temp[ix] = vt1211_read8(data, VT1211_REG_PWM_AUTO_TEMP(ix)); } /* alarm registers */ data->alarms = (vt1211_read8(data, VT1211_REG_ALARM2) << 8) | vt1211_read8(data, VT1211_REG_ALARM1); data->last_updated = jiffies; data->valid = 1; } mutex_unlock(&data->update_lock); return data; } /* --------------------------------------------------------------------- * Voltage sysfs interfaces * ix = [0-5] * --------------------------------------------------------------------- */ #define SHOW_IN_INPUT 0 #define SHOW_SET_IN_MIN 1 #define SHOW_SET_IN_MAX 2 #define SHOW_IN_ALARM 3 static ssize_t show_in(struct device *dev, struct device_attribute *attr, char *buf) { struct vt1211_data *data = vt1211_update_device(dev); struct sensor_device_attribute_2 *sensor_attr_2 = to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; int fn = sensor_attr_2->nr; int res; switch (fn) { case SHOW_IN_INPUT: res = IN_FROM_REG(ix, data->in[ix]); break; case SHOW_SET_IN_MIN: res = IN_FROM_REG(ix, data->in_min[ix]); break; case SHOW_SET_IN_MAX: res = IN_FROM_REG(ix, data->in_max[ix]); break; case SHOW_IN_ALARM: res = (data->alarms >> bitalarmin[ix]) & 1; break; default: res = 0; dev_dbg(dev, "Unknown attr fetch (%d) ", fn); } return sprintf(buf, "%d ", res); } static ssize_t set_in(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct vt1211_data *data = dev_get_drvdata(dev); struct sensor_device_attribute_2 *sensor_attr_2 = to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; int fn = sensor_attr_2->nr; |
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long val; int err; err = kstrtol(buf, 10, &val); if (err) return err; |
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mutex_lock(&data->update_lock); switch (fn) { case SHOW_SET_IN_MIN: data->in_min[ix] = IN_TO_REG(ix, val); vt1211_write8(data, VT1211_REG_IN_MIN(ix), data->in_min[ix]); break; case SHOW_SET_IN_MAX: data->in_max[ix] = IN_TO_REG(ix, val); vt1211_write8(data, VT1211_REG_IN_MAX(ix), data->in_max[ix]); break; default: dev_dbg(dev, "Unknown attr fetch (%d) ", fn); } mutex_unlock(&data->update_lock); return count; } /* --------------------------------------------------------------------- * Temperature sysfs interfaces * ix = [0-6] * --------------------------------------------------------------------- */ #define SHOW_TEMP_INPUT 0 #define SHOW_SET_TEMP_MAX 1 #define SHOW_SET_TEMP_MAX_HYST 2 #define SHOW_TEMP_ALARM 3 static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char *buf) { struct vt1211_data *data = vt1211_update_device(dev); struct sensor_device_attribute_2 *sensor_attr_2 = to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; int fn = sensor_attr_2->nr; int res; switch (fn) { case SHOW_TEMP_INPUT: res = TEMP_FROM_REG(ix, data->temp[ix]); break; case SHOW_SET_TEMP_MAX: res = TEMP_FROM_REG(ix, data->temp_max[ix]); break; case SHOW_SET_TEMP_MAX_HYST: res = TEMP_FROM_REG(ix, data->temp_hyst[ix]); break; case SHOW_TEMP_ALARM: res = (data->alarms >> bitalarmtemp[ix]) & 1; break; default: res = 0; dev_dbg(dev, "Unknown attr fetch (%d) ", fn); } return sprintf(buf, "%d ", res); } static ssize_t set_temp(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct vt1211_data *data = dev_get_drvdata(dev); struct sensor_device_attribute_2 *sensor_attr_2 = to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; int fn = sensor_attr_2->nr; |
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long val; int err; err = kstrtol(buf, 10, &val); if (err) return err; |
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mutex_lock(&data->update_lock); switch (fn) { case SHOW_SET_TEMP_MAX: data->temp_max[ix] = TEMP_TO_REG(ix, val); vt1211_write8(data, regtempmax[ix], data->temp_max[ix]); break; case SHOW_SET_TEMP_MAX_HYST: data->temp_hyst[ix] = TEMP_TO_REG(ix, val); vt1211_write8(data, regtemphyst[ix], data->temp_hyst[ix]); break; default: dev_dbg(dev, "Unknown attr fetch (%d) ", fn); } mutex_unlock(&data->update_lock); return count; } /* --------------------------------------------------------------------- * Fan sysfs interfaces * ix = [0-1] * --------------------------------------------------------------------- */ #define SHOW_FAN_INPUT 0 #define SHOW_SET_FAN_MIN 1 #define SHOW_SET_FAN_DIV 2 #define SHOW_FAN_ALARM 3 static ssize_t show_fan(struct device *dev, struct device_attribute *attr, char *buf) { struct vt1211_data *data = vt1211_update_device(dev); struct sensor_device_attribute_2 *sensor_attr_2 = to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; int fn = sensor_attr_2->nr; int res; switch (fn) { case SHOW_FAN_INPUT: res = RPM_FROM_REG(data->fan[ix], data->fan_div[ix]); break; case SHOW_SET_FAN_MIN: res = RPM_FROM_REG(data->fan_min[ix], data->fan_div[ix]); break; case SHOW_SET_FAN_DIV: res = DIV_FROM_REG(data->fan_div[ix]); break; case SHOW_FAN_ALARM: res = (data->alarms >> bitalarmfan[ix]) & 1; break; default: res = 0; dev_dbg(dev, "Unknown attr fetch (%d) ", fn); } return sprintf(buf, "%d ", res); } static ssize_t set_fan(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct vt1211_data *data = dev_get_drvdata(dev); struct sensor_device_attribute_2 *sensor_attr_2 = to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; int fn = sensor_attr_2->nr; |
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int reg; |
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unsigned long val; int err; err = kstrtoul(buf, 10, &val); if (err) return err; |
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mutex_lock(&data->update_lock); /* sync the data cache */ reg = vt1211_read8(data, VT1211_REG_FAN_DIV); data->fan_div[0] = (reg >> 4) & 3; data->fan_div[1] = (reg >> 6) & 3; data->fan_ctl = reg & 0xf; switch (fn) { case SHOW_SET_FAN_MIN: data->fan_min[ix] = RPM_TO_REG(val, data->fan_div[ix]); vt1211_write8(data, VT1211_REG_FAN_MIN(ix), data->fan_min[ix]); break; case SHOW_SET_FAN_DIV: switch (val) { |
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case 1: data->fan_div[ix] = 0; break; case 2: data->fan_div[ix] = 1; break; case 4: data->fan_div[ix] = 2; break; case 8: data->fan_div[ix] = 3; break; default: count = -EINVAL; |
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dev_warn(dev, "fan div value %ld not supported. Choose one of 1, 2, 4, or 8. ", val); |
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goto EXIT; |
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} vt1211_write8(data, VT1211_REG_FAN_DIV, ((data->fan_div[1] << 6) | (data->fan_div[0] << 4) | data->fan_ctl)); break; default: dev_dbg(dev, "Unknown attr fetch (%d) ", fn); } EXIT: mutex_unlock(&data->update_lock); return count; } /* --------------------------------------------------------------------- * PWM sysfs interfaces * ix = [0-1] * --------------------------------------------------------------------- */ #define SHOW_PWM 0 #define SHOW_SET_PWM_ENABLE 1 #define SHOW_SET_PWM_FREQ 2 #define SHOW_SET_PWM_AUTO_CHANNELS_TEMP 3 static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, char *buf) { struct vt1211_data *data = vt1211_update_device(dev); struct sensor_device_attribute_2 *sensor_attr_2 = to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; int fn = sensor_attr_2->nr; int res; switch (fn) { case SHOW_PWM: res = data->pwm[ix]; break; case SHOW_SET_PWM_ENABLE: res = ((data->pwm_ctl[ix] >> 3) & 1) ? 2 : 0; break; case SHOW_SET_PWM_FREQ: res = 90000 >> (data->pwm_clk & 7); break; case SHOW_SET_PWM_AUTO_CHANNELS_TEMP: res = (data->pwm_ctl[ix] & 7) + 1; break; default: res = 0; dev_dbg(dev, "Unknown attr fetch (%d) ", fn); } return sprintf(buf, "%d ", res); } static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct vt1211_data *data = dev_get_drvdata(dev); struct sensor_device_attribute_2 *sensor_attr_2 = to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; int fn = sensor_attr_2->nr; |
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int tmp, reg; |
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unsigned long val; int err; err = kstrtoul(buf, 10, &val); if (err) return err; |
ab41319ea hwmon: New driver... |
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mutex_lock(&data->update_lock); switch (fn) { case SHOW_SET_PWM_ENABLE: /* sync the data cache */ reg = vt1211_read8(data, VT1211_REG_FAN_DIV); data->fan_div[0] = (reg >> 4) & 3; data->fan_div[1] = (reg >> 6) & 3; data->fan_ctl = reg & 0xf; reg = vt1211_read8(data, VT1211_REG_PWM_CTL); data->pwm_ctl[0] = reg & 0xf; data->pwm_ctl[1] = (reg >> 4) & 0xf; switch (val) { case 0: data->pwm_ctl[ix] &= 7; |
b162c0334 hwmon: (vt1211) F... |
665 666 667 668 669 |
/* * disable SmartGuardian if both PWM outputs are * disabled */ if ((data->pwm_ctl[ix ^ 1] & 1) == 0) |
ab41319ea hwmon: New driver... |
670 |
data->fan_ctl &= 0xe; |
ab41319ea hwmon: New driver... |
671 672 673 674 675 676 677 |
break; case 2: data->pwm_ctl[ix] |= 8; data->fan_ctl |= 1; break; default: count = -EINVAL; |
b55f37572 hwmon: Fix checkp... |
678 679 680 681 |
dev_warn(dev, "pwm mode %ld not supported. Choose one of 0 or 2. ", val); |
ab41319ea hwmon: New driver... |
682 683 684 685 686 687 688 689 690 691 692 |
goto EXIT; } vt1211_write8(data, VT1211_REG_PWM_CTL, ((data->pwm_ctl[1] << 4) | data->pwm_ctl[0])); vt1211_write8(data, VT1211_REG_FAN_DIV, ((data->fan_div[1] << 6) | (data->fan_div[0] << 4) | data->fan_ctl)); break; case SHOW_SET_PWM_FREQ: |
2a844c148 hwmon: Replace SE... |
693 |
val = 135000 / clamp_val(val, 135000 >> 7, 135000); |
ab41319ea hwmon: New driver... |
694 695 |
/* calculate tmp = log2(val) */ tmp = 0; |
b162c0334 hwmon: (vt1211) F... |
696 |
for (val >>= 1; val > 0; val >>= 1) |
ab41319ea hwmon: New driver... |
697 |
tmp++; |
ab41319ea hwmon: New driver... |
698 699 700 701 702 703 |
/* sync the data cache */ reg = vt1211_read8(data, VT1211_REG_PWM_CLK); data->pwm_clk = (reg & 0xf8) | tmp; vt1211_write8(data, VT1211_REG_PWM_CLK, data->pwm_clk); break; case SHOW_SET_PWM_AUTO_CHANNELS_TEMP: |
b162c0334 hwmon: (vt1211) F... |
704 |
if (val < 1 || val > 7) { |
ab41319ea hwmon: New driver... |
705 |
count = -EINVAL; |
b55f37572 hwmon: Fix checkp... |
706 707 708 709 |
dev_warn(dev, "temp channel %ld not supported. Choose a value between 1 and 7. ", val); |
ab41319ea hwmon: New driver... |
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goto EXIT; } if (!ISTEMP(val - 1, data->uch_config)) { count = -EINVAL; dev_warn(dev, "temp channel %ld is not available. ", val); goto EXIT; } /* sync the data cache */ reg = vt1211_read8(data, VT1211_REG_PWM_CTL); data->pwm_ctl[0] = reg & 0xf; data->pwm_ctl[1] = (reg >> 4) & 0xf; data->pwm_ctl[ix] = (data->pwm_ctl[ix] & 8) | (val - 1); vt1211_write8(data, VT1211_REG_PWM_CTL, ((data->pwm_ctl[1] << 4) | data->pwm_ctl[0])); break; default: dev_dbg(dev, "Unknown attr fetch (%d) ", fn); } EXIT: mutex_unlock(&data->update_lock); return count; } /* --------------------------------------------------------------------- * PWM auto point definitions * ix = [0-1] * ap = [0-3] * --------------------------------------------------------------------- */ /* * pwm[ix+1]_auto_point[ap+1]_temp mapping table: * Note that there is only a single set of temp auto points that controls both * PWM controllers. We still create 2 sets of sysfs files to make it look * more consistent even though they map to the same registers. * * ix ap : description * ------------------- * 0 0 : pwm1/2 off temperature (pwm_auto_temp[0]) * 0 1 : pwm1/2 low speed temperature (pwm_auto_temp[1]) * 0 2 : pwm1/2 high speed temperature (pwm_auto_temp[2]) * 0 3 : pwm1/2 full speed temperature (pwm_auto_temp[3]) * 1 0 : pwm1/2 off temperature (pwm_auto_temp[0]) * 1 1 : pwm1/2 low speed temperature (pwm_auto_temp[1]) * 1 2 : pwm1/2 high speed temperature (pwm_auto_temp[2]) * 1 3 : pwm1/2 full speed temperature (pwm_auto_temp[3]) */ static ssize_t show_pwm_auto_point_temp(struct device *dev, struct device_attribute *attr, char *buf) { struct vt1211_data *data = vt1211_update_device(dev); struct sensor_device_attribute_2 *sensor_attr_2 = to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; int ap = sensor_attr_2->nr; return sprintf(buf, "%d ", TEMP_FROM_REG(data->pwm_ctl[ix] & 7, data->pwm_auto_temp[ap])); } static ssize_t set_pwm_auto_point_temp(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct vt1211_data *data = dev_get_drvdata(dev); struct sensor_device_attribute_2 *sensor_attr_2 = to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; int ap = sensor_attr_2->nr; |
ab41319ea hwmon: New driver... |
785 |
int reg; |
b162c0334 hwmon: (vt1211) F... |
786 787 788 789 790 791 |
long val; int err; err = kstrtol(buf, 10, &val); if (err) return err; |
ab41319ea hwmon: New driver... |
792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 |
mutex_lock(&data->update_lock); /* sync the data cache */ reg = vt1211_read8(data, VT1211_REG_PWM_CTL); data->pwm_ctl[0] = reg & 0xf; data->pwm_ctl[1] = (reg >> 4) & 0xf; data->pwm_auto_temp[ap] = TEMP_TO_REG(data->pwm_ctl[ix] & 7, val); vt1211_write8(data, VT1211_REG_PWM_AUTO_TEMP(ap), data->pwm_auto_temp[ap]); mutex_unlock(&data->update_lock); return count; } /* * pwm[ix+1]_auto_point[ap+1]_pwm mapping table: * Note that the PWM auto points 0 & 3 are hard-wired in the VT1211 and can't * be changed. * * ix ap : description * ------------------- * 0 0 : pwm1 off (pwm_auto_pwm[0][0], hard-wired to 0) * 0 1 : pwm1 low speed duty cycle (pwm_auto_pwm[0][1]) * 0 2 : pwm1 high speed duty cycle (pwm_auto_pwm[0][2]) * 0 3 : pwm1 full speed (pwm_auto_pwm[0][3], hard-wired to 255) * 1 0 : pwm2 off (pwm_auto_pwm[1][0], hard-wired to 0) * 1 1 : pwm2 low speed duty cycle (pwm_auto_pwm[1][1]) * 1 2 : pwm2 high speed duty cycle (pwm_auto_pwm[1][2]) * 1 3 : pwm2 full speed (pwm_auto_pwm[1][3], hard-wired to 255) |
b162c0334 hwmon: (vt1211) F... |
823 |
*/ |
ab41319ea hwmon: New driver... |
824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 |
static ssize_t show_pwm_auto_point_pwm(struct device *dev, struct device_attribute *attr, char *buf) { struct vt1211_data *data = vt1211_update_device(dev); struct sensor_device_attribute_2 *sensor_attr_2 = to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; int ap = sensor_attr_2->nr; return sprintf(buf, "%d ", data->pwm_auto_pwm[ix][ap]); } static ssize_t set_pwm_auto_point_pwm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct vt1211_data *data = dev_get_drvdata(dev); struct sensor_device_attribute_2 *sensor_attr_2 = to_sensor_dev_attr_2(attr); int ix = sensor_attr_2->index; int ap = sensor_attr_2->nr; |
b162c0334 hwmon: (vt1211) F... |
848 849 |
unsigned long val; int err; |
ab41319ea hwmon: New driver... |
850 |
|
b162c0334 hwmon: (vt1211) F... |
851 852 853 |
err = kstrtoul(buf, 10, &val); if (err) return err; |
ab41319ea hwmon: New driver... |
854 855 |
mutex_lock(&data->update_lock); |
2a844c148 hwmon: Replace SE... |
856 |
data->pwm_auto_pwm[ix][ap] = clamp_val(val, 0, 255); |
ab41319ea hwmon: New driver... |
857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 |
vt1211_write8(data, VT1211_REG_PWM_AUTO_PWM(ix, ap), data->pwm_auto_pwm[ix][ap]); mutex_unlock(&data->update_lock); return count; } /* --------------------------------------------------------------------- * Miscellaneous sysfs interfaces (VRM, VID, name, and (legacy) alarms) * --------------------------------------------------------------------- */ static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf) { struct vt1211_data *data = dev_get_drvdata(dev); return sprintf(buf, "%d ", data->vrm); } static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct vt1211_data *data = dev_get_drvdata(dev); |
b162c0334 hwmon: (vt1211) F... |
881 882 883 884 885 886 |
unsigned long val; int err; err = kstrtoul(buf, 10, &val); if (err) return err; |
ab41319ea hwmon: New driver... |
887 |
|
5c570b957 hwmon: (vt1211) F... |
888 889 |
if (val > 255) return -EINVAL; |
ab41319ea hwmon: New driver... |
890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 |
data->vrm = val; return count; } static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf) { struct vt1211_data *data = dev_get_drvdata(dev); return sprintf(buf, "%d ", vid_from_reg(data->vid, data->vrm)); } static ssize_t show_name(struct device *dev, struct device_attribute *attr, char *buf) { struct vt1211_data *data = dev_get_drvdata(dev); return sprintf(buf, "%s ", data->name); } static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) { struct vt1211_data *data = vt1211_update_device(dev); return sprintf(buf, "%d ", data->alarms); } /* --------------------------------------------------------------------- * Device attribute structs * --------------------------------------------------------------------- */ |
2185696d7 hwmon: (vt1211) F... |
925 926 927 |
#define SENSOR_ATTR_IN(ix) \ { SENSOR_ATTR_2(in##ix##_input, S_IRUGO, \ show_in, NULL, SHOW_IN_INPUT, ix), \ |
ab41319ea hwmon: New driver... |
928 |
SENSOR_ATTR_2(in##ix##_min, S_IRUGO | S_IWUSR, \ |
2185696d7 hwmon: (vt1211) F... |
929 |
show_in, set_in, SHOW_SET_IN_MIN, ix), \ |
ab41319ea hwmon: New driver... |
930 |
SENSOR_ATTR_2(in##ix##_max, S_IRUGO | S_IWUSR, \ |
2185696d7 hwmon: (vt1211) F... |
931 932 933 934 935 936 937 938 939 940 941 942 |
show_in, set_in, SHOW_SET_IN_MAX, ix), \ SENSOR_ATTR_2(in##ix##_alarm, S_IRUGO, \ show_in, NULL, SHOW_IN_ALARM, ix) \ } static struct sensor_device_attribute_2 vt1211_sysfs_in[][4] = { SENSOR_ATTR_IN(0), SENSOR_ATTR_IN(1), SENSOR_ATTR_IN(2), SENSOR_ATTR_IN(3), SENSOR_ATTR_IN(4), SENSOR_ATTR_IN(5) |
ab41319ea hwmon: New driver... |
943 |
}; |
2185696d7 hwmon: (vt1211) F... |
944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 |
#define IN_UNIT_ATTRS(X) \ { &vt1211_sysfs_in[X][0].dev_attr.attr, \ &vt1211_sysfs_in[X][1].dev_attr.attr, \ &vt1211_sysfs_in[X][2].dev_attr.attr, \ &vt1211_sysfs_in[X][3].dev_attr.attr, \ NULL \ } static struct attribute *vt1211_in_attr[][5] = { IN_UNIT_ATTRS(0), IN_UNIT_ATTRS(1), IN_UNIT_ATTRS(2), IN_UNIT_ATTRS(3), IN_UNIT_ATTRS(4), IN_UNIT_ATTRS(5) |
ab41319ea hwmon: New driver... |
959 |
}; |
2185696d7 hwmon: (vt1211) F... |
960 961 962 963 964 965 966 |
static const struct attribute_group vt1211_in_attr_group[] = { { .attrs = vt1211_in_attr[0] }, { .attrs = vt1211_in_attr[1] }, { .attrs = vt1211_in_attr[2] }, { .attrs = vt1211_in_attr[3] }, { .attrs = vt1211_in_attr[4] }, { .attrs = vt1211_in_attr[5] } |
ab41319ea hwmon: New driver... |
967 |
}; |
2185696d7 hwmon: (vt1211) F... |
968 969 970 |
#define SENSOR_ATTR_TEMP(ix) \ { SENSOR_ATTR_2(temp##ix##_input, S_IRUGO, \ show_temp, NULL, SHOW_TEMP_INPUT, ix-1), \ |
ab41319ea hwmon: New driver... |
971 |
SENSOR_ATTR_2(temp##ix##_max, S_IRUGO | S_IWUSR, \ |
2185696d7 hwmon: (vt1211) F... |
972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 |
show_temp, set_temp, SHOW_SET_TEMP_MAX, ix-1), \ SENSOR_ATTR_2(temp##ix##_max_hyst, S_IRUGO | S_IWUSR, \ show_temp, set_temp, SHOW_SET_TEMP_MAX_HYST, ix-1), \ SENSOR_ATTR_2(temp##ix##_alarm, S_IRUGO, \ show_temp, NULL, SHOW_TEMP_ALARM, ix-1) \ } static struct sensor_device_attribute_2 vt1211_sysfs_temp[][4] = { SENSOR_ATTR_TEMP(1), SENSOR_ATTR_TEMP(2), SENSOR_ATTR_TEMP(3), SENSOR_ATTR_TEMP(4), SENSOR_ATTR_TEMP(5), SENSOR_ATTR_TEMP(6), SENSOR_ATTR_TEMP(7), |
ab41319ea hwmon: New driver... |
987 |
}; |
2185696d7 hwmon: (vt1211) F... |
988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 |
#define TEMP_UNIT_ATTRS(X) \ { &vt1211_sysfs_temp[X][0].dev_attr.attr, \ &vt1211_sysfs_temp[X][1].dev_attr.attr, \ &vt1211_sysfs_temp[X][2].dev_attr.attr, \ &vt1211_sysfs_temp[X][3].dev_attr.attr, \ NULL \ } static struct attribute *vt1211_temp_attr[][5] = { TEMP_UNIT_ATTRS(0), TEMP_UNIT_ATTRS(1), TEMP_UNIT_ATTRS(2), TEMP_UNIT_ATTRS(3), TEMP_UNIT_ATTRS(4), TEMP_UNIT_ATTRS(5), TEMP_UNIT_ATTRS(6) |
ab41319ea hwmon: New driver... |
1004 |
}; |
2185696d7 hwmon: (vt1211) F... |
1005 1006 1007 1008 1009 1010 1011 1012 |
static const struct attribute_group vt1211_temp_attr_group[] = { { .attrs = vt1211_temp_attr[0] }, { .attrs = vt1211_temp_attr[1] }, { .attrs = vt1211_temp_attr[2] }, { .attrs = vt1211_temp_attr[3] }, { .attrs = vt1211_temp_attr[4] }, { .attrs = vt1211_temp_attr[5] }, { .attrs = vt1211_temp_attr[6] } |
ab41319ea hwmon: New driver... |
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}; #define SENSOR_ATTR_FAN(ix) \ SENSOR_ATTR_2(fan##ix##_input, S_IRUGO, \ show_fan, NULL, SHOW_FAN_INPUT, ix-1), \ SENSOR_ATTR_2(fan##ix##_min, S_IRUGO | S_IWUSR, \ show_fan, set_fan, SHOW_SET_FAN_MIN, ix-1), \ SENSOR_ATTR_2(fan##ix##_div, S_IRUGO | S_IWUSR, \ show_fan, set_fan, SHOW_SET_FAN_DIV, ix-1), \ SENSOR_ATTR_2(fan##ix##_alarm, S_IRUGO, \ show_fan, NULL, SHOW_FAN_ALARM, ix-1) #define SENSOR_ATTR_PWM(ix) \ SENSOR_ATTR_2(pwm##ix, S_IRUGO, \ show_pwm, NULL, SHOW_PWM, ix-1), \ SENSOR_ATTR_2(pwm##ix##_enable, S_IRUGO | S_IWUSR, \ show_pwm, set_pwm, SHOW_SET_PWM_ENABLE, ix-1), \ SENSOR_ATTR_2(pwm##ix##_auto_channels_temp, S_IRUGO | S_IWUSR, \ show_pwm, set_pwm, SHOW_SET_PWM_AUTO_CHANNELS_TEMP, ix-1) #define SENSOR_ATTR_PWM_FREQ(ix) \ SENSOR_ATTR_2(pwm##ix##_freq, S_IRUGO | S_IWUSR, \ show_pwm, set_pwm, SHOW_SET_PWM_FREQ, ix-1) #define SENSOR_ATTR_PWM_FREQ_RO(ix) \ SENSOR_ATTR_2(pwm##ix##_freq, S_IRUGO, \ show_pwm, NULL, SHOW_SET_PWM_FREQ, ix-1) #define SENSOR_ATTR_PWM_AUTO_POINT_TEMP(ix, ap) \ SENSOR_ATTR_2(pwm##ix##_auto_point##ap##_temp, S_IRUGO | S_IWUSR, \ show_pwm_auto_point_temp, set_pwm_auto_point_temp, \ ap-1, ix-1) #define SENSOR_ATTR_PWM_AUTO_POINT_TEMP_RO(ix, ap) \ SENSOR_ATTR_2(pwm##ix##_auto_point##ap##_temp, S_IRUGO, \ show_pwm_auto_point_temp, NULL, \ ap-1, ix-1) #define SENSOR_ATTR_PWM_AUTO_POINT_PWM(ix, ap) \ SENSOR_ATTR_2(pwm##ix##_auto_point##ap##_pwm, S_IRUGO | S_IWUSR, \ show_pwm_auto_point_pwm, set_pwm_auto_point_pwm, \ ap-1, ix-1) #define SENSOR_ATTR_PWM_AUTO_POINT_PWM_RO(ix, ap) \ SENSOR_ATTR_2(pwm##ix##_auto_point##ap##_pwm, S_IRUGO, \ show_pwm_auto_point_pwm, NULL, \ ap-1, ix-1) static struct sensor_device_attribute_2 vt1211_sysfs_fan_pwm[] = { SENSOR_ATTR_FAN(1), SENSOR_ATTR_FAN(2), SENSOR_ATTR_PWM(1), SENSOR_ATTR_PWM(2), SENSOR_ATTR_PWM_FREQ(1), SENSOR_ATTR_PWM_FREQ_RO(2), SENSOR_ATTR_PWM_AUTO_POINT_TEMP(1, 1), SENSOR_ATTR_PWM_AUTO_POINT_TEMP(1, 2), SENSOR_ATTR_PWM_AUTO_POINT_TEMP(1, 3), SENSOR_ATTR_PWM_AUTO_POINT_TEMP(1, 4), SENSOR_ATTR_PWM_AUTO_POINT_TEMP_RO(2, 1), SENSOR_ATTR_PWM_AUTO_POINT_TEMP_RO(2, 2), SENSOR_ATTR_PWM_AUTO_POINT_TEMP_RO(2, 3), SENSOR_ATTR_PWM_AUTO_POINT_TEMP_RO(2, 4), SENSOR_ATTR_PWM_AUTO_POINT_PWM_RO(1, 1), SENSOR_ATTR_PWM_AUTO_POINT_PWM(1, 2), SENSOR_ATTR_PWM_AUTO_POINT_PWM(1, 3), SENSOR_ATTR_PWM_AUTO_POINT_PWM_RO(1, 4), SENSOR_ATTR_PWM_AUTO_POINT_PWM_RO(2, 1), SENSOR_ATTR_PWM_AUTO_POINT_PWM(2, 2), SENSOR_ATTR_PWM_AUTO_POINT_PWM(2, 3), SENSOR_ATTR_PWM_AUTO_POINT_PWM_RO(2, 4), }; static struct device_attribute vt1211_sysfs_misc[] = { __ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm), __ATTR(cpu0_vid, S_IRUGO, show_vid, NULL), __ATTR(name, S_IRUGO, show_name, NULL), __ATTR(alarms, S_IRUGO, show_alarms, NULL), }; /* --------------------------------------------------------------------- * Device registration and initialization * --------------------------------------------------------------------- */ |
6c931ae1c hwmon: remove use... |
1096 |
static void vt1211_init_device(struct vt1211_data *data) |
ab41319ea hwmon: New driver... |
1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 |
{ /* set VRM */ data->vrm = vid_which_vrm(); /* Read (and initialize) UCH config */ data->uch_config = vt1211_read8(data, VT1211_REG_UCH_CONFIG); if (uch_config > -1) { data->uch_config = (data->uch_config & 0x83) | (uch_config << 2); vt1211_write8(data, VT1211_REG_UCH_CONFIG, data->uch_config); } |
b162c0334 hwmon: (vt1211) F... |
1108 1109 |
/* * Initialize the interrupt mode (if request at module load time). |
ab41319ea hwmon: New driver... |
1110 1111 1112 1113 1114 1115 1116 1117 1118 |
* The VT1211 implements 3 different modes for clearing interrupts: * 0: Clear INT when status register is read. Regenerate INT as long * as temp stays above hysteresis limit. * 1: Clear INT when status register is read. DON'T regenerate INT * until temp falls below hysteresis limit and exceeds hot limit * again. * 2: Clear INT when temp falls below max limit. * * The driver only allows to force mode 0 since that's the only one |
b162c0334 hwmon: (vt1211) F... |
1119 1120 |
* that makes sense for 'sensors' */ |
ab41319ea hwmon: New driver... |
1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 |
if (int_mode == 0) { vt1211_write8(data, VT1211_REG_TEMP1_CONFIG, 0); vt1211_write8(data, VT1211_REG_TEMP2_CONFIG, 0); } /* Fill in some hard wired values into our data struct */ data->pwm_auto_pwm[0][3] = 255; data->pwm_auto_pwm[1][3] = 255; } static void vt1211_remove_sysfs(struct platform_device *pdev) { struct device *dev = &pdev->dev; int i; |
2185696d7 hwmon: (vt1211) F... |
1135 1136 1137 1138 1139 |
for (i = 0; i < ARRAY_SIZE(vt1211_in_attr_group); i++) sysfs_remove_group(&dev->kobj, &vt1211_in_attr_group[i]); for (i = 0; i < ARRAY_SIZE(vt1211_temp_attr_group); i++) sysfs_remove_group(&dev->kobj, &vt1211_temp_attr_group[i]); |
ab41319ea hwmon: New driver... |
1140 1141 1142 1143 |
for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_fan_pwm); i++) { device_remove_file(dev, &vt1211_sysfs_fan_pwm[i].dev_attr); } |
b162c0334 hwmon: (vt1211) F... |
1144 |
for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_misc); i++) |
ab41319ea hwmon: New driver... |
1145 |
device_remove_file(dev, &vt1211_sysfs_misc[i]); |
ab41319ea hwmon: New driver... |
1146 |
} |
6c931ae1c hwmon: remove use... |
1147 |
static int vt1211_probe(struct platform_device *pdev) |
ab41319ea hwmon: New driver... |
1148 1149 1150 1151 1152 |
{ struct device *dev = &pdev->dev; struct vt1211_data *data; struct resource *res; int i, err; |
84269edce hwmon: (vt1211) C... |
1153 |
data = devm_kzalloc(dev, sizeof(struct vt1211_data), GFP_KERNEL); |
5b20995ee hwmon: (vt1211) r... |
1154 |
if (!data) |
84269edce hwmon: (vt1211) C... |
1155 |
return -ENOMEM; |
ab41319ea hwmon: New driver... |
1156 1157 |
res = platform_get_resource(pdev, IORESOURCE_IO, 0); |
84269edce hwmon: (vt1211) C... |
1158 1159 |
if (!devm_request_region(dev, res->start, resource_size(res), DRVNAME)) { |
ce7ee4e80 hwmon: Request th... |
1160 1161 1162 |
dev_err(dev, "Failed to request region 0x%lx-0x%lx ", (unsigned long)res->start, (unsigned long)res->end); |
84269edce hwmon: (vt1211) C... |
1163 |
return -EBUSY; |
ce7ee4e80 hwmon: Request th... |
1164 |
} |
ab41319ea hwmon: New driver... |
1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 |
data->addr = res->start; data->name = DRVNAME; mutex_init(&data->update_lock); platform_set_drvdata(pdev, data); /* Initialize the VT1211 chip */ vt1211_init_device(data); /* Create sysfs interface files */ |
2185696d7 hwmon: (vt1211) F... |
1175 |
for (i = 0; i < ARRAY_SIZE(vt1211_in_attr_group); i++) { |
ab41319ea hwmon: New driver... |
1176 |
if (ISVOLT(i, data->uch_config)) { |
2185696d7 hwmon: (vt1211) F... |
1177 1178 1179 |
err = sysfs_create_group(&dev->kobj, &vt1211_in_attr_group[i]); if (err) |
ab41319ea hwmon: New driver... |
1180 |
goto EXIT_DEV_REMOVE; |
ab41319ea hwmon: New driver... |
1181 1182 |
} } |
2185696d7 hwmon: (vt1211) F... |
1183 |
for (i = 0; i < ARRAY_SIZE(vt1211_temp_attr_group); i++) { |
ab41319ea hwmon: New driver... |
1184 |
if (ISTEMP(i, data->uch_config)) { |
2185696d7 hwmon: (vt1211) F... |
1185 1186 1187 |
err = sysfs_create_group(&dev->kobj, &vt1211_temp_attr_group[i]); if (err) |
ab41319ea hwmon: New driver... |
1188 |
goto EXIT_DEV_REMOVE; |
ab41319ea hwmon: New driver... |
1189 1190 1191 1192 1193 |
} } for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_fan_pwm); i++) { err = device_create_file(dev, &vt1211_sysfs_fan_pwm[i].dev_attr); |
b162c0334 hwmon: (vt1211) F... |
1194 |
if (err) |
ab41319ea hwmon: New driver... |
1195 |
goto EXIT_DEV_REMOVE; |
ab41319ea hwmon: New driver... |
1196 1197 1198 1199 |
} for (i = 0; i < ARRAY_SIZE(vt1211_sysfs_misc); i++) { err = device_create_file(dev, &vt1211_sysfs_misc[i]); |
b162c0334 hwmon: (vt1211) F... |
1200 |
if (err) |
ab41319ea hwmon: New driver... |
1201 |
goto EXIT_DEV_REMOVE; |
ab41319ea hwmon: New driver... |
1202 1203 1204 |
} /* Register device */ |
1beeffe43 hwmon: Convert fr... |
1205 1206 1207 |
data->hwmon_dev = hwmon_device_register(dev); if (IS_ERR(data->hwmon_dev)) { err = PTR_ERR(data->hwmon_dev); |
ab41319ea hwmon: New driver... |
1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 |
dev_err(dev, "Class registration failed (%d) ", err); goto EXIT_DEV_REMOVE_SILENT; } return 0; EXIT_DEV_REMOVE: dev_err(dev, "Sysfs interface creation failed (%d) ", err); EXIT_DEV_REMOVE_SILENT: vt1211_remove_sysfs(pdev); |
ab41319ea hwmon: New driver... |
1220 1221 |
return err; } |
281dfd0b6 hwmon: remove use... |
1222 |
static int vt1211_remove(struct platform_device *pdev) |
ab41319ea hwmon: New driver... |
1223 1224 |
{ struct vt1211_data *data = platform_get_drvdata(pdev); |
1beeffe43 hwmon: Convert fr... |
1225 |
hwmon_device_unregister(data->hwmon_dev); |
ab41319ea hwmon: New driver... |
1226 |
vt1211_remove_sysfs(pdev); |
ce7ee4e80 hwmon: Request th... |
1227 |
|
ab41319ea hwmon: New driver... |
1228 1229 1230 1231 1232 |
return 0; } static struct platform_driver vt1211_driver = { .driver = { |
ab41319ea hwmon: New driver... |
1233 1234 1235 |
.name = DRVNAME, }, .probe = vt1211_probe, |
9e5e9b7a9 hwmon: remove use... |
1236 |
.remove = vt1211_remove, |
ab41319ea hwmon: New driver... |
1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 |
}; static int __init vt1211_device_add(unsigned short address) { struct resource res = { .start = address, .end = address + 0x7f, .flags = IORESOURCE_IO, }; int err; pdev = platform_device_alloc(DRVNAME, address); if (!pdev) { err = -ENOMEM; |
5ed9ba6b8 hwmon: (vt1211) U... |
1251 1252 |
pr_err("Device allocation failed (%d) ", err); |
ab41319ea hwmon: New driver... |
1253 1254 1255 1256 |
goto EXIT; } res.name = pdev->name; |
b9acb64a3 hwmon: Check for ... |
1257 1258 |
err = acpi_check_resource_conflict(&res); if (err) |
18632f84f hwmon: Fix ACPI r... |
1259 |
goto EXIT_DEV_PUT; |
b9acb64a3 hwmon: Check for ... |
1260 |
|
ab41319ea hwmon: New driver... |
1261 1262 |
err = platform_device_add_resources(pdev, &res, 1); if (err) { |
5ed9ba6b8 hwmon: (vt1211) U... |
1263 1264 |
pr_err("Device resource addition failed (%d) ", err); |
ab41319ea hwmon: New driver... |
1265 1266 1267 1268 1269 |
goto EXIT_DEV_PUT; } err = platform_device_add(pdev); if (err) { |
5ed9ba6b8 hwmon: (vt1211) U... |
1270 1271 |
pr_err("Device addition failed (%d) ", err); |
ab41319ea hwmon: New driver... |
1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 |
goto EXIT_DEV_PUT; } return 0; EXIT_DEV_PUT: platform_device_put(pdev); EXIT: return err; } |
2219cd81a hwmon/vt1211: Add... |
1282 |
static int __init vt1211_find(int sio_cip, unsigned short *address) |
ab41319ea hwmon: New driver... |
1283 1284 |
{ int err = -ENODEV; |
67b671bce hwmon: Let the us... |
1285 |
int devid; |
ab41319ea hwmon: New driver... |
1286 |
|
2219cd81a hwmon/vt1211: Add... |
1287 |
superio_enter(sio_cip); |
ab41319ea hwmon: New driver... |
1288 |
|
67b671bce hwmon: Let the us... |
1289 |
devid = force_id ? force_id : superio_inb(sio_cip, SIO_VT1211_DEVID); |
b162c0334 hwmon: (vt1211) F... |
1290 |
if (devid != SIO_VT1211_ID) |
ab41319ea hwmon: New driver... |
1291 |
goto EXIT; |
ab41319ea hwmon: New driver... |
1292 |
|
2219cd81a hwmon/vt1211: Add... |
1293 |
superio_select(sio_cip, SIO_VT1211_LDN_HWMON); |
ab41319ea hwmon: New driver... |
1294 |
|
2219cd81a hwmon/vt1211: Add... |
1295 |
if ((superio_inb(sio_cip, SIO_VT1211_ACTIVE) & 1) == 0) { |
5ed9ba6b8 hwmon: (vt1211) U... |
1296 1297 |
pr_warn("HW monitor is disabled, skipping "); |
ab41319ea hwmon: New driver... |
1298 1299 |
goto EXIT; } |
2219cd81a hwmon/vt1211: Add... |
1300 1301 |
*address = ((superio_inb(sio_cip, SIO_VT1211_BADDR) << 8) | (superio_inb(sio_cip, SIO_VT1211_BADDR + 1))) & 0xff00; |
ab41319ea hwmon: New driver... |
1302 |
if (*address == 0) { |
5ed9ba6b8 hwmon: (vt1211) U... |
1303 1304 |
pr_warn("Base address is not set, skipping "); |
ab41319ea hwmon: New driver... |
1305 1306 1307 1308 |
goto EXIT; } err = 0; |
5ed9ba6b8 hwmon: (vt1211) U... |
1309 1310 1311 |
pr_info("Found VT1211 chip at 0x%04x, revision %u ", *address, superio_inb(sio_cip, SIO_VT1211_DEVREV)); |
ab41319ea hwmon: New driver... |
1312 1313 |
EXIT: |
2219cd81a hwmon/vt1211: Add... |
1314 |
superio_exit(sio_cip); |
ab41319ea hwmon: New driver... |
1315 1316 1317 1318 1319 1320 1321 |
return err; } static int __init vt1211_init(void) { int err; unsigned short address = 0; |
b162c0334 hwmon: (vt1211) F... |
1322 1323 1324 1325 1326 |
err = vt1211_find(SIO_REG_CIP1, &address); if (err) { err = vt1211_find(SIO_REG_CIP2, &address); if (err) goto EXIT; |
ab41319ea hwmon: New driver... |
1327 1328 1329 1330 |
} if ((uch_config < -1) || (uch_config > 31)) { err = -EINVAL; |
b55f37572 hwmon: Fix checkp... |
1331 1332 1333 |
pr_warn("Invalid UCH configuration %d. Choose a value between 0 and 31. ", uch_config); |
b162c0334 hwmon: (vt1211) F... |
1334 |
goto EXIT; |
ab41319ea hwmon: New driver... |
1335 1336 1337 1338 |
} if ((int_mode < -1) || (int_mode > 0)) { err = -EINVAL; |
b55f37572 hwmon: Fix checkp... |
1339 1340 1341 |
pr_warn("Invalid interrupt mode %d. Only mode 0 is supported. ", int_mode); |
b162c0334 hwmon: (vt1211) F... |
1342 |
goto EXIT; |
ab41319ea hwmon: New driver... |
1343 1344 1345 |
} err = platform_driver_register(&vt1211_driver); |
b162c0334 hwmon: (vt1211) F... |
1346 |
if (err) |
ab41319ea hwmon: New driver... |
1347 |
goto EXIT; |
ab41319ea hwmon: New driver... |
1348 1349 1350 |
/* Sets global pdev as a side effect */ err = vt1211_device_add(address); |
b162c0334 hwmon: (vt1211) F... |
1351 |
if (err) |
ab41319ea hwmon: New driver... |
1352 |
goto EXIT_DRV_UNREGISTER; |
ab41319ea hwmon: New driver... |
1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 |
return 0; EXIT_DRV_UNREGISTER: platform_driver_unregister(&vt1211_driver); EXIT: return err; } static void __exit vt1211_exit(void) { platform_device_unregister(pdev); platform_driver_unregister(&vt1211_driver); } MODULE_AUTHOR("Juerg Haefliger <juergh@gmail.com>"); MODULE_DESCRIPTION("VT1211 sensors"); MODULE_LICENSE("GPL"); module_init(vt1211_init); module_exit(vt1211_exit); |