/* lm85.c - Part of lm_sensors, Linux kernel modules for hardware monitoring Copyright (c) 1998, 1999 Frodo Looijaard Copyright (c) 2002, 2003 Philip Pokorny Copyright (c) 2003 Margit Schubert-While 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. CHANGELOG 2002-11-13 First patch for LM85 functionality 2002-11-18 LM85 functionality mostly done 2002-12-02 Adding ADM1027 functionality 2002-12-06 Adding ADT7463 functionality 2003-01-09 Code cleanup. Save reserved bits in case they are implemented in a future chip. (Solve problem with lockups on ADM1027 due to chip initialization) Added chip initialization bypass option 2003-02-12 Add THERM asserted counts for ADT7463 Added #ifdef so we can compile against 2.6.5 without updating i2c-ids.h 2003-02-17 Prepare for switch to 2.7.0 development Implement tmin_control for ADT7463 Expose THERM asserted counts to /proc Code cleanup 2003-02-19 Working with Margit and LM_SENSORS developers 2003-02-23 Removed chip initialization entirely Scale voltages in driver at Margit's request Change PWM from 0-100% to 0-255 per LM sensors standard 2003-02-27 Documentation and code cleanups Added this CHANGELOG Print additional precision for temperatures and voltages Many thanks to Margit Schubert-While and Brandt xxxxxx for help testing this version 2003-02-28 More diagnostic messages regarding BIOS setup 2003-03-01 Added Interrupt mask register support. 2003-03-08 Fixed problem with pseudo 16-bit registers Cleaned up some compiler warnings. Fixed problem with Operating Point and THERM counting 2003-03-21 Initial support for EMC6D100 and EMC6D101 chips 2003-06-30 Add support for EMC6D100 extra voltage inputs. */ #include #include #include #include #include #include #include "version.h" #include "sensors_vid.h" #ifndef I2C_DRIVERID_LM85 #define I2C_DRIVERID_LM85 1039 #endif /* Addresses to scan */ static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, SENSORS_I2C_END }; static unsigned short normal_i2c_range[] = { SENSORS_I2C_END }; static unsigned int normal_isa[] = { SENSORS_ISA_END }; static unsigned int normal_isa_range[] = { SENSORS_ISA_END }; /* Insmod parameters */ SENSORS_INSMOD_5(lm85b, lm85c, adm1027, adt7463, emc6d100); /* Many LM85 constants specified below */ /* The LM85 registers */ #define LM85_REG_IN(nr) (0x20 + (nr)) #define LM85_REG_IN_MIN(nr) (0x44 + (nr) * 2) #define LM85_REG_IN_MAX(nr) (0x45 + (nr) * 2) #define LM85_REG_TEMP(nr) (0x25 + (nr)) #define LM85_REG_TEMP_MIN(nr) (0x4e + (nr) * 2) #define LM85_REG_TEMP_MAX(nr) (0x4f + (nr) * 2) /* Fan speeds are LSB, MSB (2 bytes) */ #define LM85_REG_FAN(nr) (0x28 + (nr) *2) #define LM85_REG_FAN_MIN(nr) (0x54 + (nr) *2) #define LM85_REG_PWM(nr) (0x30 + (nr)) #define ADT7463_REG_OPPOINT(nr) (0x33 + (nr)) #define ADT7463_REG_TMIN_CTL1 0x36 #define ADT7463_REG_TMIN_CTL2 0x37 #define ADT7463_REG_TMIN_CTL 0x0136 #define LM85_REG_DEVICE 0x3d #define LM85_REG_COMPANY 0x3e #define LM85_REG_VERSTEP 0x3f /* These are the recognized values for the above regs */ #define LM85_DEVICE_ADX 0x27 #define LM85_COMPANY_NATIONAL 0x01 #define LM85_COMPANY_ANALOG_DEV 0x41 #define LM85_COMPANY_SMSC 0x5c #define LM85_VERSTEP_VMASK 0xf0 #define LM85_VERSTEP_SMASK 0x0f #define LM85_VERSTEP_GENERIC 0x60 #define LM85_VERSTEP_LM85C 0x60 #define LM85_VERSTEP_LM85B 0x62 #define LM85_VERSTEP_ADM1027 0x60 #define LM85_VERSTEP_ADT7463 0x62 #define LM85_VERSTEP_EMC6D100_A0 0x60 #define LM85_VERSTEP_EMC6D100_A1 0x61 #define LM85_REG_CONFIG 0x40 #define LM85_REG_ALARM1 0x41 #define LM85_REG_ALARM2 0x42 #define LM85_REG_ALARM 0x0141 #define LM85_REG_VID 0x43 /* Automated FAN control */ #define LM85_REG_AFAN_CONFIG(nr) (0x5c + (nr)) #define LM85_REG_AFAN_RANGE(nr) (0x5f + (nr)) #define LM85_REG_AFAN_SPIKE1 0x62 #define LM85_REG_AFAN_SPIKE2 0x63 #define LM85_REG_AFAN_MINPWM(nr) (0x64 + (nr)) #define LM85_REG_AFAN_LIMIT(nr) (0x67 + (nr)) #define LM85_REG_AFAN_CRITICAL(nr) (0x6a + (nr)) #define LM85_REG_AFAN_HYST1 0x6d #define LM85_REG_AFAN_HYST2 0x6e #define LM85_REG_TACH_MODE 0x74 #define LM85_REG_SPINUP_CTL 0x75 #define ADM1027_REG_TEMP_OFFSET(nr) (0x70 + (nr)) #define ADM1027_REG_CONFIG2 0x73 #define ADM1027_REG_INTMASK1 0x74 #define ADM1027_REG_INTMASK2 0x75 #define ADM1027_REG_INTMASK 0x0174 #define ADM1027_REG_EXTEND_ADC1 0x76 #define ADM1027_REG_EXTEND_ADC2 0x77 #define ADM1027_REG_EXTEND_ADC 0x0176 #define ADM1027_REG_CONFIG3 0x78 #define ADM1027_REG_FAN_PPR 0x7b #define ADT7463_REG_THERM 0x79 #define ADT7463_REG_THERM_LIMIT 0x7A #define ADT7463_REG_CONFIG4 0x7D #define EMC6D100_REG_SFR 0x7c #define EMC6D100_REG_ALARM3 0x7d #define EMC6D100_REG_CONF 0x7f #define EMC6D100_REG_INT_EN 0x80 /* IN5, IN6 and IN7 */ #define EMC6D100_REG_IN(nr) (0x70 + ((nr)-5)) #define EMC6D100_REG_IN_MIN(nr) (0x73 + ((nr)-5) * 2) #define EMC6D100_REG_IN_MAX(nr) (0x74 + ((nr)-5) * 2) /* Conversions. Rounding and limit checking is only done on the TO_REG variants. Note that you should be a bit careful with which arguments these macros are called: arguments may be evaluated more than once. */ /* IN are scaled 1.000 == 0xc0, mag = 3 */ #define IN_TO_REG(val) (SENSORS_LIMIT((((val)*0xc0+500)/1000),0,255)) #define INEXT_FROM_REG(val,ext) (((val)*1000 + (ext)*250 + 96)/0xc0) #define IN_FROM_REG(val) (INEXT_FROM_REG(val,0)) /* IN are scaled acording to built-in resistors */ static int lm85_scaling[] = { /* .001 Volts */ 2500, 2250, 3300, 5000, 12000, 3300, 1500, 1800, /* EMC6D100 */ }; #define SCALE(val,from,to) (((val)*(to) + ((from)/2))/(from)) #define INS_TO_REG(n,val) (SENSORS_LIMIT(SCALE(val,lm85_scaling[n],192),0,255)) #define INSEXT_FROM_REG(n,val,ext) (SCALE((val)*4 + (ext),192*4,lm85_scaling[n])) #define INS_FROM_REG(n,val) (INSEXT_FROM_REG(n,val,0)) /* FAN speed is measured using 90kHz clock */ #define FAN_TO_REG(val) (SENSORS_LIMIT( (val)<=0?0: 5400000/(val),0,65534)) #define FAN_FROM_REG(val) ((val)==0?-1:(val)==0xffff?0:5400000/(val)) /* Temperature is reported in .01 degC increments */ #define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)+50)/100,-127,127)) #define TEMPEXT_FROM_REG(val,ext) ((val)*100 + (ext)*25) #define TEMP_FROM_REG(val) (TEMPEXT_FROM_REG(val,0)) #define EXTTEMP_TO_REG(val) (SENSORS_LIMIT((val)/25,-127,127)) #define OPPOINT_TO_REG(val) (SENSORS_LIMIT(val,-127,127)) #define OPPOINT_FROM_REG(val) (val) #define PWM_TO_REG(val) (SENSORS_LIMIT(val,0,255)) #define PWM_FROM_REG(val) (val) #define EXT_FROM_REG(val,sensor) (((val)>>(sensor * 2))&0x03) /* ZONEs have the following parameters: * Limit (low) temp, 1. degC * Hysteresis (below limit), 1. degC (0-15) * Range of speed control, .1 degC (2-80) * Critical (high) temp, 1. degC * * FAN PWMs have the following parameters: * Reference Zone, 1, 2, 3, etc. * Spinup time, .05 sec * PWM value at limit/low temp, 1 count * PWM Frequency, 1. Hz * PWM is Min or OFF below limit, flag * Invert PWM output, flag * * Some chips filter the temp, others the fan. * Filter constant (or disabled) .1 seconds */ /* These are the zone temperature range encodings */ static int lm85_range_map[] = { /* .1 degC */ 20, 25, 33, 40, 50, 66, 80, 100, 133, 160, 200, 266, 320, 400, 533, 800 }; static int RANGE_TO_REG( int range ) { int i; if( range >= lm85_range_map[15] ) { return 15 ; } for( i = 0 ; i < 15 ; ++i ) if( range <= lm85_range_map[i] ) break ; return( i & 0x0f ); } #define RANGE_FROM_REG(val) (lm85_range_map[(val)&0x0f]) /* These are the Acoustic Enhancement, or Temperature smoothing encodings * NOTE: The enable/disable bit is INCLUDED in these encodings as the * MSB (bit 3, value 8). If the enable bit is 0, the encoded value * is ignored, or set to 0. */ static int lm85_smooth_map[] = { /* .1 sec */ 350, 176, 118, 70, 44, 30, 16, 8 /* 35.4 * 1/1, 1/2, 1/3, 1/5, 1/8, 1/12, 1/24, 1/48 */ }; static int SMOOTH_TO_REG( int smooth ) { int i; if( smooth <= 0 ) { return 0 ; } /* Disabled */ for( i = 0 ; i < 7 ; ++i ) if( smooth >= lm85_smooth_map[i] ) break ; return( (i & 0x07) | 0x08 ); } #define SMOOTH_FROM_REG(val) ((val)&0x08?lm85_smooth_map[(val)&0x07]:0) /* These are the fan spinup delay time encodings */ static int lm85_spinup_map[] = { /* .1 sec */ 0, 1, 2, 4, 7, 10, 20, 40 }; static int SPINUP_TO_REG( int spinup ) { int i; if( spinup >= lm85_spinup_map[7] ) { return 7 ; } for( i = 0 ; i < 7 ; ++i ) if( spinup <= lm85_spinup_map[i] ) break ; return( i & 0x07 ); } #define SPINUP_FROM_REG(val) (lm85_spinup_map[(val)&0x07]) /* These are the PWM frequency encodings */ static int lm85_freq_map[] = { /* .1 Hz */ 100, 150, 230, 300, 380, 470, 620, 980 }; static int FREQ_TO_REG( int freq ) { int i; if( freq >= lm85_freq_map[7] ) { return 7 ; } for( i = 0 ; i < 7 ; ++i ) if( freq <= lm85_freq_map[i] ) break ; return( i & 0x07 ); } #define FREQ_FROM_REG(val) (lm85_freq_map[(val)&0x07]) /* Since we can't use strings, I'm abusing these numbers * to stand in for the following meanings: * 1 -- PWM responds to Zone 1 * 2 -- PWM responds to Zone 2 * 3 -- PWM responds to Zone 3 * 23 -- PWM responds to the higher temp of Zone 2 or 3 * 123 -- PWM responds to highest of Zone 1, 2, or 3 * 0 -- PWM is always at 0% (ie, off) * -1 -- PWM is always at 100% * -2 -- PWM responds to manual control */ static int lm85_zone_map[] = { 1, 2, 3, -1, 0, 23, 123, -2 }; static int ZONE_TO_REG( int zone ) { int i; for( i = 0 ; i <= 7 ; ++i ) if( zone == lm85_zone_map[i] ) break ; if( i > 7 ) /* Not found. */ i = 3; /* Always 100% */ return( (i & 0x07)<<5 ); } #define ZONE_FROM_REG(val) (lm85_zone_map[((val)>>5)&0x07]) #define HYST_TO_REG(val) (SENSORS_LIMIT((-(val)+5)/10,0,15)) #define HYST_FROM_REG(val) (-(val)*10) #define OFFSET_TO_REG(val) (SENSORS_LIMIT((val)/25,-127,127)) #define OFFSET_FROM_REG(val) ((val)*25) #define PPR_MASK(fan) (0x03<<(fan *2)) #define PPR_TO_REG(val,fan) (SENSORS_LIMIT((val)-1,0,3)<<(fan *2)) #define PPR_FROM_REG(val,fan) ((((val)>>(fan * 2))&0x03)+1) /* sensors_vid.h defines vid_from_reg() */ #define VID_FROM_REG(val,vrm) (vid_from_reg((val),(vrm))) #define ALARMS_FROM_REG(val) (val) /* When converting to REG, we need to fixup the carry-over bit */ #define INTMASK_FROM_REG(val) (val) #define INTMASK_TO_REG(val) (SENSORS_LIMIT((val)|((val)&0xff00?0x80:0),0,65535)) /* Unlike some other drivers we DO NOT set initial limits. Use * the config file to set limits. Some users have reported * motherboards shutting down when we set limits in a previous * version of this driver. This may be caused by APM/ACPI * detecting an out-of-limit condition when we had the wrong * limits set. */ /* Typically used with Pentium 4 systems v9.1 VRM spec */ #define LM85_INIT_VRM 91 /* Chip sampling rates * * Some sensors are not updated more frequently than once per second * so it doesn't make sense to read them more often than that. * We cache the results and return the saved data if the driver * is called again before a second has elapsed. * * Also, there is significant configuration data for this chip * given the automatic PWM fan control that is possible. There * are about 47 bytes of config data to only 22 bytes of actual * readings. So, we keep the config data up to date in the cache * when it is written and only sample it once every 5 *minutes* */ #define LM85_DATA_INTERVAL (1 * HZ) #define LM85_CONFIG_INTERVAL (5 * 60 * HZ) /* For each registered LM85, we need to keep some data in memory. That data is pointed to by client->data. The structure itself is dynamically allocated, when a new lm85 client is allocated. */ /* LM85 can automatically adjust fan speeds based on temperature * This structure encapsulates an entire Zone config. There are * three zones (one for each temperature input) on the lm85 */ struct lm85_zone { s8 limit; /* Low temp limit */ u8 hyst; /* Low limit hysteresis. (0-15) */ u8 range; /* Temp range, encoded */ s8 critical; /* "All fans ON" temp limit */ }; struct lm85_autofan { u8 config; /* Register value */ u8 freq; /* PWM frequency, encoded */ u8 min_pwm; /* Minimum PWM value, encoded */ u8 min_off; /* Min PWM or OFF below "limit", flag */ }; struct lm85_data { struct semaphore lock; int sysctl_id; enum chips type; struct semaphore update_lock; int valid; /* !=0 if following fields are valid */ unsigned long last_reading; /* In jiffies */ unsigned long last_config; /* In jiffies */ u8 in[8]; /* Register value */ u8 in_max[8]; /* Register value */ u8 in_min[8]; /* Register value */ s8 temp[3]; /* Register value */ s8 temp_min[3]; /* Register value */ s8 temp_max[3]; /* Register value */ s8 temp_offset[3]; /* Register value */ u16 fan[4]; /* Register value */ u16 fan_min[4]; /* Register value */ u8 pwm[3]; /* Register value */ u8 spinup_ctl; /* Register encoding, combined */ u8 tach_mode; /* Register encoding, combined */ u16 extend_adc; /* Register value */ u8 fan_ppr; /* Register value */ u8 smooth[3]; /* Register encoding */ u8 vid; /* Register value */ u8 vrm; /* VRM version */ u8 syncpwm3; /* Saved PWM3 for TACH 2,3,4 config */ s8 oppoint[3]; /* Register value */ u16 tmin_ctl; /* Register value */ long therm_total; /* Cummulative therm count */ long therm_ovfl; /* Count of therm overflows */ u8 therm_limit; /* Register value */ u32 alarms; /* Register encoding, combined */ u32 alarm_mask; /* Register encoding, combined */ struct lm85_autofan autofan[3]; struct lm85_zone zone[3]; }; static int lm85_attach_adapter(struct i2c_adapter *adapter); static int lm85_detect(struct i2c_adapter *adapter, int address, unsigned short flags, int kind); static int lm85_detach_client(struct i2c_client *client); static int lm85_read_value(struct i2c_client *client, u16 register); static int lm85_write_value(struct i2c_client *client, u16 register, int value); static void lm85_update_client(struct i2c_client *client); static void lm85_init_client(struct i2c_client *client); static void lm85_in(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void lm85_fan(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void lm85_temp(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void lm85_vid(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void lm85_vrm(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void lm85_alarms(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void lm85_pwm(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void lm85_zone(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void lm85_pwm_config(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void lm85_pwm_zone(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void lm85_smooth(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void lm85_spinup_ctl(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void lm85_tach_mode(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void adm1027_tach_mode(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void adm1027_temp_offset(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void adm1027_fan_ppr(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void adm1027_alarm_mask(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void adt7463_tmin_ctl(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void adt7463_therm_signal(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static void emc6d100_in(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results); static struct i2c_driver lm85_driver = { .owner = THIS_MODULE, .name = "LM85 compatible sensor driver", .id = I2C_DRIVERID_LM85, .flags = I2C_DF_NOTIFY, .attach_adapter = &lm85_attach_adapter, .detach_client = &lm85_detach_client, }; /* Unique ID assigned to each LM85 detected */ static int lm85_id = 0; /* -- SENSORS SYSCTL START -- */ /* Common parameters */ #define LM85_SYSCTL_IN0 1000 #define LM85_SYSCTL_IN1 1001 #define LM85_SYSCTL_IN2 1002 #define LM85_SYSCTL_IN3 1003 #define LM85_SYSCTL_IN4 1004 #define LM85_SYSCTL_FAN1 1005 #define LM85_SYSCTL_FAN2 1006 #define LM85_SYSCTL_FAN3 1007 #define LM85_SYSCTL_FAN4 1008 #define LM85_SYSCTL_TEMP1 1009 #define LM85_SYSCTL_TEMP2 1010 #define LM85_SYSCTL_TEMP3 1011 #define LM85_SYSCTL_VID 1012 #define LM85_SYSCTL_ALARMS 1013 #define LM85_SYSCTL_PWM1 1014 #define LM85_SYSCTL_PWM2 1015 #define LM85_SYSCTL_PWM3 1016 #define LM85_SYSCTL_VRM 1017 #define LM85_SYSCTL_PWM_CFG1 1019 #define LM85_SYSCTL_PWM_CFG2 1020 #define LM85_SYSCTL_PWM_CFG3 1021 #define LM85_SYSCTL_PWM_ZONE1 1022 #define LM85_SYSCTL_PWM_ZONE2 1023 #define LM85_SYSCTL_PWM_ZONE3 1024 #define LM85_SYSCTL_ZONE1 1025 #define LM85_SYSCTL_ZONE2 1026 #define LM85_SYSCTL_ZONE3 1027 #define LM85_SYSCTL_SMOOTH1 1028 #define LM85_SYSCTL_SMOOTH2 1029 #define LM85_SYSCTL_SMOOTH3 1030 /* Vendor specific values */ #define LM85_SYSCTL_SPINUP_CTL 1100 #define LM85_SYSCTL_TACH_MODE 1101 /* Analog Devices variant of the LM85 */ #define ADM1027_SYSCTL_TACH_MODE 1200 #define ADM1027_SYSCTL_TEMP_OFFSET1 1201 #define ADM1027_SYSCTL_TEMP_OFFSET2 1202 #define ADM1027_SYSCTL_TEMP_OFFSET3 1203 #define ADM1027_SYSCTL_FAN_PPR 1204 #define ADM1027_SYSCTL_ALARM_MASK 1205 /* Analog Devices variant of the LM85/ADM1027 */ #define ADT7463_SYSCTL_TMIN_CTL1 1300 #define ADT7463_SYSCTL_TMIN_CTL2 1301 #define ADT7463_SYSCTL_TMIN_CTL3 1302 #define ADT7463_SYSCTL_THERM_SIGNAL 1303 /* SMSC variant of the LM85 */ #define EMC6D100_SYSCTL_IN5 1400 #define EMC6D100_SYSCTL_IN6 1401 #define EMC6D100_SYSCTL_IN7 1402 #define LM85_ALARM_IN0 0x0001 #define LM85_ALARM_IN1 0x0002 #define LM85_ALARM_IN2 0x0004 #define LM85_ALARM_IN3 0x0008 #define LM85_ALARM_TEMP1 0x0010 #define LM85_ALARM_TEMP2 0x0020 #define LM85_ALARM_TEMP3 0x0040 #define LM85_ALARM_ALARM2 0x0080 #define LM85_ALARM_IN4 0x0100 #define LM85_ALARM_RESERVED 0x0200 #define LM85_ALARM_FAN1 0x0400 #define LM85_ALARM_FAN2 0x0800 #define LM85_ALARM_FAN3 0x1000 #define LM85_ALARM_FAN4 0x2000 #define LM85_ALARM_TEMP1_FAULT 0x4000 #define LM85_ALARM_TEMP3_FAULT 0x08000 #define LM85_ALARM_IN6 0x10000 #define LM85_ALARM_IN7 0x20000 #define LM85_ALARM_IN5 0x40000 /* -- SENSORS SYSCTL END -- */ /* The /proc/sys entries */ /* These files are created for each detected LM85. This is just a template; * The actual list is built from this and additional per-chip * custom lists below. Note the XXX_LEN macros. These must be * compile time constants because they will be used to allocate * space for the final template passed to i2c_register_entry. * We depend on the ability of GCC to evaluate expressions at * compile time to turn these expressions into compile time * constants, but this can generate a warning. */ static ctl_table lm85_common[] = { {LM85_SYSCTL_IN0, "in0", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_in}, {LM85_SYSCTL_IN1, "in1", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_in}, {LM85_SYSCTL_IN2, "in2", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_in}, {LM85_SYSCTL_IN3, "in3", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_in}, {LM85_SYSCTL_IN4, "in4", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_in}, {LM85_SYSCTL_FAN1, "fan1", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_fan}, {LM85_SYSCTL_FAN2, "fan2", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_fan}, {LM85_SYSCTL_FAN3, "fan3", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_fan}, {LM85_SYSCTL_FAN4, "fan4", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_fan}, {LM85_SYSCTL_TEMP1, "temp1", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_temp}, {LM85_SYSCTL_TEMP2, "temp2", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_temp}, {LM85_SYSCTL_TEMP3, "temp3", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_temp}, {LM85_SYSCTL_VID, "vid", NULL, 0, 0444, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_vid}, {LM85_SYSCTL_VRM, "vrm", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_vrm}, {LM85_SYSCTL_ALARMS, "alarms", NULL, 0, 0444, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_alarms}, {LM85_SYSCTL_PWM1, "pwm1", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_pwm}, {LM85_SYSCTL_PWM2, "pwm2", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_pwm}, {LM85_SYSCTL_PWM3, "pwm3", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_pwm}, {LM85_SYSCTL_PWM_CFG1, "pwm1_cfg", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_pwm_config}, {LM85_SYSCTL_PWM_CFG2, "pwm2_cfg", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_pwm_config}, {LM85_SYSCTL_PWM_CFG3, "pwm3_cfg", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_pwm_config}, {LM85_SYSCTL_PWM_ZONE1, "pwm1_zone", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_pwm_zone}, {LM85_SYSCTL_PWM_ZONE2, "pwm2_zone", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_pwm_zone}, {LM85_SYSCTL_PWM_ZONE3, "pwm3_zone", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_pwm_zone}, {LM85_SYSCTL_ZONE1, "zone1", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_zone}, {LM85_SYSCTL_ZONE2, "zone2", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_zone}, {LM85_SYSCTL_ZONE3, "zone3", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_zone}, {LM85_SYSCTL_SMOOTH1, "smooth1", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_smooth}, {LM85_SYSCTL_SMOOTH2, "smooth2", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_smooth}, {LM85_SYSCTL_SMOOTH3, "smooth3", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_smooth}, {0} }; #define CTLTBL_COMMON (sizeof(lm85_common)/sizeof(lm85_common[0])) /* NOTE: tach_mode is a shared name, but implemented with * different functions */ static ctl_table lm85_specific[] = { {LM85_SYSCTL_SPINUP_CTL, "spinup_ctl", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_spinup_ctl}, {LM85_SYSCTL_TACH_MODE, "tach_mode", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &lm85_tach_mode}, /* {0} The doc generator needs this. */ }; #define CTLTBL_LM85 (sizeof(lm85_specific)/sizeof(lm85_specific[0])) static ctl_table adm1027_specific[] = { {ADM1027_SYSCTL_TACH_MODE, "tach_mode", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &adm1027_tach_mode}, {ADM1027_SYSCTL_TEMP_OFFSET1, "temp1_offset", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &adm1027_temp_offset}, {ADM1027_SYSCTL_TEMP_OFFSET2, "temp2_offset", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &adm1027_temp_offset}, {ADM1027_SYSCTL_TEMP_OFFSET3, "temp3_offset", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &adm1027_temp_offset}, {ADM1027_SYSCTL_FAN_PPR, "fan_ppr", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &adm1027_fan_ppr}, {ADM1027_SYSCTL_ALARM_MASK, "alarm_mask", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &adm1027_alarm_mask}, /* {0} The doc generator needs this. */ }; #define CTLTBL_ADM1027 (sizeof(adm1027_specific)/sizeof(adm1027_specific[0])) static ctl_table adt7463_specific[] = { {ADT7463_SYSCTL_TMIN_CTL1, "tmin_ctl1", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &adt7463_tmin_ctl}, {ADT7463_SYSCTL_TMIN_CTL2, "tmin_ctl2", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &adt7463_tmin_ctl}, {ADT7463_SYSCTL_TMIN_CTL3, "tmin_ctl3", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &adt7463_tmin_ctl}, {ADT7463_SYSCTL_THERM_SIGNAL, "therm_signal", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &adt7463_therm_signal}, /* {0} The doc generator needs this. */ }; #define CTLTBL_ADT7463 (sizeof(adt7463_specific)/sizeof(adt7463_specific[0])) static ctl_table emc6d100_specific[] = { {EMC6D100_SYSCTL_IN5, "in5", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &emc6d100_in}, {EMC6D100_SYSCTL_IN6, "in6", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &emc6d100_in}, {EMC6D100_SYSCTL_IN7, "in7", NULL, 0, 0644, NULL, &i2c_proc_real, &i2c_sysctl_real, NULL, &emc6d100_in}, /* {0} The doc generator needs this. */ }; #define CTLTBL_EMC6D100 (sizeof(emc6d100_specific)/sizeof(emc6d100_specific[0])) #define MAX2(a,b) ((a)>(b)?(a):(b)) #define MAX3(a,b,c) ((a)>(b)?MAX2((a),(c)):MAX2((b),(c))) #define MAX4(a,b,c,d) ((a)>(b)?MAX3((a),(c),(d)):MAX3((b),(c),(d))) #define CTLTBL_MAX (CTLTBL_COMMON + MAX3(CTLTBL_LM85, CTLTBL_ADM1027+CTLTBL_ADT7463, CTLTBL_EMC6D100)) /* This function is called when: * lm85_driver is inserted (when this module is loaded), for each available adapter * when a new adapter is inserted (and lm85_driver is still present) */ int lm85_attach_adapter(struct i2c_adapter *adapter) { return i2c_detect(adapter, &addr_data, lm85_detect); } /* This function is called by i2c_detect */ int lm85_detect(struct i2c_adapter *adapter, int address, unsigned short flags, int kind) { int i; int company, verstep ; struct i2c_client *new_client; struct lm85_data *data; int err = 0; const char *type_name = ""; struct ctl_table template[CTLTBL_MAX] ; int template_used ; if (i2c_is_isa_adapter(adapter)) { /* This chip has no ISA interface */ goto ERROR0 ; }; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { /* We need to be able to do byte I/O */ goto ERROR0 ; }; /* OK. For now, we presume we have a valid client. We now create the client structure, even though we cannot fill it completely yet. But it allows us to access lm85_{read,write}_value. */ if (!(new_client = kmalloc((sizeof(struct i2c_client)) + sizeof(struct lm85_data), GFP_KERNEL))) { err = -ENOMEM; goto ERROR0; } data = (struct lm85_data *) (new_client + 1); new_client->addr = address; new_client->data = data; new_client->adapter = adapter; new_client->driver = &lm85_driver; new_client->flags = 0; /* Now, we do the remaining detection. */ company = lm85_read_value(new_client, LM85_REG_COMPANY); verstep = lm85_read_value(new_client, LM85_REG_VERSTEP); #ifdef DEBUG printk("lm85: Detecting device at %d,0x%02x with" " COMPANY: 0x%02x and VERSTEP: 0x%02x\n", i2c_adapter_id(new_client->adapter), new_client->addr, company, verstep ); #endif /* If auto-detecting, Determine the chip type. */ if (kind <= 0) { #ifdef DEBUG printk("lm85: Autodetecting device at %d,0x%02x ...\n", i2c_adapter_id(adapter), address ); #endif if( company == LM85_COMPANY_NATIONAL && verstep == LM85_VERSTEP_LM85C ) { kind = lm85c ; } else if( company == LM85_COMPANY_NATIONAL && verstep == LM85_VERSTEP_LM85B ) { kind = lm85b ; } else if( company == LM85_COMPANY_NATIONAL && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) { printk("lm85: Detected National Semiconductor chip\n"); printk("lm85: Unrecgonized version/stepping 0x%02x" " Defaulting to Generic LM85.\n", verstep ); kind = any_chip ; } else if( company == LM85_COMPANY_ANALOG_DEV && verstep == LM85_VERSTEP_ADM1027 ) { kind = adm1027 ; } else if( company == LM85_COMPANY_ANALOG_DEV && verstep == LM85_VERSTEP_ADT7463 ) { kind = adt7463 ; } else if( company == LM85_COMPANY_ANALOG_DEV && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) { printk("lm85: Detected Analog Devices chip\n"); printk("lm85: Unrecgonized version/stepping 0x%02x" " Defaulting to Generic LM85.\n", verstep ); kind = any_chip ; } else if( company == LM85_COMPANY_SMSC && (verstep == LM85_VERSTEP_EMC6D100_A0 || verstep == LM85_VERSTEP_EMC6D100_A1) ) { /* Unfortunately, we can't tell a '100 from a '101 * from the registers. Since a '101 is a '100 * in a package with fewer pins and therefore no * 3.3V, 1.5V or 1.8V inputs, perhaps if those * inputs read 0, then it's a '101. */ kind = emc6d100 ; } else if( company == LM85_COMPANY_SMSC && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) { printk("lm85: Detected SMSC chip\n"); printk("lm85: Unrecognized version/stepping 0x%02x" " Defaulting to Generic LM85.\n", verstep ); kind = any_chip ; } else if( kind == any_chip && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) { printk("lm85: Generic LM85 Version 6 detected\n"); /* Leave kind as "any_chip" */ } else { #ifdef DEBUG printk("lm85: Autodetection failed\n"); #endif /* Not an LM85 ... */ if( kind == any_chip ) { /* User used force=x,y */ printk("lm85: Generic LM85 Version 6 not" " found at %d,0x%02x. Try force_lm85c.\n", i2c_adapter_id(adapter), address ); } err = 0 ; goto ERROR1; } } /* Fill in the chip specific driver values */ switch (kind) { case any_chip : type_name = "lm85"; strcpy(new_client->name, "Generic LM85"); template_used = 0 ; break ; case lm85b : type_name = "lm85b"; strcpy(new_client->name, "National LM85-B"); memcpy( template, lm85_specific, sizeof(lm85_specific) ); template_used = CTLTBL_LM85 ; break ; case lm85c : type_name = "lm85c"; strcpy(new_client->name, "National LM85-C"); memcpy( template, lm85_specific, sizeof(lm85_specific) ); template_used = CTLTBL_LM85 ; break ; case adm1027 : type_name = "adm1027"; strcpy(new_client->name, "Analog Devices ADM1027"); memcpy( template, adm1027_specific, sizeof(adm1027_specific) ); template_used = CTLTBL_ADM1027 ; break ; case adt7463 : type_name = "adt7463"; strcpy(new_client->name, "Analog Devices ADT7463"); memcpy( template, adt7463_specific, sizeof(adt7463_specific) ); template_used = CTLTBL_ADT7463 ; memcpy( template+template_used, adm1027_specific, sizeof(adm1027_specific) ); template_used += CTLTBL_ADM1027 ; break ; case emc6d100 : type_name = "emc6d100"; strcpy(new_client->name, "SMSC EMC6D100"); memcpy(template, emc6d100_specific, sizeof(emc6d100_specific)); template_used = CTLTBL_EMC6D100 ; break ; default : printk("lm85: Internal error, invalid kind (%d)!", kind); err = -EFAULT ; goto ERROR1; } /* Fill in the remaining client fields */ new_client->id = lm85_id++; printk("lm85: Assigning ID %d to %s at %d,0x%02x\n", new_client->id, new_client->name, i2c_adapter_id(new_client->adapter), new_client->addr ); /* Housekeeping values */ data->type = kind; data->valid = 0; /* Set the VRM version */ data->vrm = LM85_INIT_VRM ; /* Zero the accumulators */ data->therm_total = 0; data->therm_ovfl = 0; init_MUTEX(&data->update_lock); /* Initialize the LM85 chip */ lm85_init_client(new_client); /* Tell the I2C layer a new client has arrived */ if ((err = i2c_attach_client(new_client))) goto ERROR1; /* Finish out the template */ memcpy( template + template_used, lm85_common, sizeof(lm85_common) ); /* Register a new directory entry with module sensors */ if ((i = i2c_register_entry(new_client, type_name, template)) < 0) { err = i; goto ERROR2; } data->sysctl_id = i; return 0; /* Error out and cleanup code */ ERROR2: i2c_detach_client(new_client); ERROR1: kfree(new_client); ERROR0: return err; } int lm85_detach_client(struct i2c_client *client) { int err; int id ; id = client->id; i2c_deregister_entry(((struct lm85_data *)(client->data))->sysctl_id); if ((err = i2c_detach_client(client))) { printk("lm85(%d): Client deregistration failed," " client not detached.\n", id ); return err; } kfree(client); return 0; } int lm85_read_value(struct i2c_client *client, u16 reg) { int res; /* What size location is it? */ switch( reg ) { case LM85_REG_FAN(0) : /* Read WORD data */ case LM85_REG_FAN(1) : case LM85_REG_FAN(2) : case LM85_REG_FAN(3) : case LM85_REG_FAN_MIN(0) : case LM85_REG_FAN_MIN(1) : case LM85_REG_FAN_MIN(2) : case LM85_REG_FAN_MIN(3) : case LM85_REG_ALARM : /* Read ALARM1 and ALARM2 */ case ADM1027_REG_INTMASK : /* Read MASK1 and MASK2 */ case ADM1027_REG_EXTEND_ADC : /* Read ADC1 and ADC2 */ reg &= 0xff ; /* Pseudo words have address + 0x0100 */ res = i2c_smbus_read_byte_data(client, reg) & 0xff ; res |= (i2c_smbus_read_byte_data(client, reg+1) & 0xff) << 8 ; break ; case ADT7463_REG_TMIN_CTL : /* Read WORD MSB, LSB */ reg &= 0xff ; /* Pseudo words have address + 0x0100 */ res = (i2c_smbus_read_byte_data(client, reg) & 0xff) << 8 ; res |= i2c_smbus_read_byte_data(client, reg+1) & 0xff ; break ; default: /* Read BYTE data */ res = i2c_smbus_read_byte_data(client, reg & 0xff) & 0xff ; break ; } return res ; } int lm85_write_value(struct i2c_client *client, u16 reg, int value) { int res ; switch( reg ) { case LM85_REG_FAN(0) : /* Write WORD data */ case LM85_REG_FAN(1) : case LM85_REG_FAN(2) : case LM85_REG_FAN(3) : case LM85_REG_FAN_MIN(0) : case LM85_REG_FAN_MIN(1) : case LM85_REG_FAN_MIN(2) : case LM85_REG_FAN_MIN(3) : case ADM1027_REG_INTMASK : /* NOTE: ALARM and ADC are read only, so not included here */ reg &= 0xff ; /* Pseudo words have address + 0x0100 */ res = i2c_smbus_write_byte_data(client, reg, value & 0xff) ; res |= i2c_smbus_write_byte_data(client, reg+1, (value>>8) & 0xff) ; break ; case ADT7463_REG_TMIN_CTL : /* Write WORD MSB, LSB */ reg &= 0xff ; /* Pseudo words have address + 0x0100 */ res = i2c_smbus_write_byte_data(client, reg, (value>>8) & 0xff); res |= i2c_smbus_write_byte_data(client, reg+1, value & 0xff) ; break ; default: /* Write BYTE data */ res = i2c_smbus_write_byte_data(client, reg & 0xff, value); break ; } return res ; } /* Called when we have found a new LM85. It should set limits, etc. */ void lm85_init_client(struct i2c_client *client) { int value; struct lm85_data *data = client->data; #ifdef DEBUG printk("lm85(%d): Initializing device\n", client->id); #endif /* Warn if part was not "READY" */ value = lm85_read_value(client, LM85_REG_CONFIG); #ifdef DEBUG printk("lm85(%d): LM85_REG_CONFIG is: 0x%02x\n", client->id, value ); #endif if( value & 0x02 ) { printk("lm85(%d): Client (%d,0x%02x) config is locked.\n", client->id, i2c_adapter_id(client->adapter), client->addr ); }; if( ! (value & 0x04) ) { printk("lm85(%d): Client (%d,0x%02x) is not ready.\n", client->id, i2c_adapter_id(client->adapter), client->addr ); }; if( (data->type == adm1027 || data->type == adt7463) && (value & 0x10) ) { printk("lm85(%d): Client (%d,0x%02x) VxI mode is set. " "Please report this to the lm85 maintainer.\n", client->id, i2c_adapter_id(client->adapter), client->addr ); }; /* See if SYNC to PWM3 is set */ if( data->type == adt7463 && (lm85_read_value(client, LM85_REG_AFAN_SPIKE1) & 0x10) ) { printk("lm85(%d): Sync to PWM3 is set. Expect PWM3 " "to control fans 2, 3, and 4\n", client->id ); }; /* See if PWM2 is #SMBALERT */ if( (data->type == adm1027 || data->type == adt7463) && (lm85_read_value(client, ADM1027_REG_CONFIG3) & 0x01) ) { printk("lm85(%d): PWM2 is SMBALERT. PWM2 not available.\n", client->id ); }; /* Check if 2.5V and 5V inputs are reconfigured */ if( data->type == adt7463 ) { value = lm85_read_value(client, ADT7463_REG_CONFIG4); if( value & 0x01 ) { printk("lm85(%d): 2.5V input (in0) is SMBALERT. " "in0 not available.\n", client->id ); }; if( value & 0x02 ) { printk("lm85(%d): 5V input (in3) is THERM. " "in3 not available.\n", client->id ); } }; /* FIXME? Display EMC6D100 config info? */ /* WE INTENTIONALLY make no changes to the limits, * offsets, pwms, fans and zones. If they were * configured, we don't want to mess with them. * If they weren't, the default is 100% PWM, no * control and will suffice until 'sensors -s' * can be run by the user. */ /* Start monitoring */ value = lm85_read_value(client, LM85_REG_CONFIG); /* Try to clear LOCK, Set START, save everything else */ value = ((value & ~ 0x02) | 0x01) & 0xff ; #ifdef DEBUG printk("lm85(%d): Setting CONFIG to: 0x%02x\n", client->id, value ); #endif lm85_write_value(client, LM85_REG_CONFIG, value); } void lm85_update_client(struct i2c_client *client) { struct lm85_data *data = client->data; int i; down(&data->update_lock); if (!data->valid || (jiffies - data->last_reading > LM85_DATA_INTERVAL )) { /* Things that change quickly */ #ifdef DEBUG printk("lm85(%d): Reading sensor values\n", client->id); #endif /* Have to read extended bits first to "freeze" the * more significant bits that are read later. */ switch( data->type ) { case adm1027 : case adt7463 : data->extend_adc = lm85_read_value(client, ADM1027_REG_EXTEND_ADC); break ; default : data->extend_adc = 0 ; break ; } for (i = 0; i <= 4; ++i) { data->in[i] = lm85_read_value(client, LM85_REG_IN(i)); } for (i = 0; i <= 3; ++i) { data->fan[i] = lm85_read_value(client, LM85_REG_FAN(i)); } for (i = 0; i <= 2; ++i) { data->temp[i] = lm85_read_value(client, LM85_REG_TEMP(i)); } for (i = 0; i <= 2; ++i) { data->pwm[i] = lm85_read_value(client, LM85_REG_PWM(i)); } data->alarms = lm85_read_value(client, LM85_REG_ALARM); switch( ((struct lm85_data *)(client->data))->type ) { case adt7463 : /* REG_THERM code duplicated in therm_signal() */ i = lm85_read_value(client, ADT7463_REG_THERM); if( data->therm_total < LONG_MAX - 256 ) { data->therm_total += i ; } if( i >= 255 ) { ++data->therm_ovfl ; } break ; case emc6d100 : /* Three more voltage sensors */ for (i = 5; i <= 7; ++i) { data->in[i] = lm85_read_value(client, EMC6D100_REG_IN(i)); } /* More alarm bits */ data->alarms |= lm85_read_value(client, EMC6D100_REG_ALARM3) << 16; break ; default : break ; /* no warnings */ } data->last_reading = jiffies ; }; /* last_reading */ if (!data->valid || (jiffies - data->last_config > LM85_CONFIG_INTERVAL) ) { /* Things that don't change often */ #ifdef DEBUG printk("lm85(%d): Reading config values\n", client->id); #endif for (i = 0; i <= 4; ++i) { data->in_min[i] = lm85_read_value(client, LM85_REG_IN_MIN(i)); data->in_max[i] = lm85_read_value(client, LM85_REG_IN_MAX(i)); } for (i = 0; i <= 3; ++i) { data->fan_min[i] = lm85_read_value(client, LM85_REG_FAN_MIN(i)); } for (i = 0; i <= 2; ++i) { data->temp_min[i] = lm85_read_value(client, LM85_REG_TEMP_MIN(i)); data->temp_max[i] = lm85_read_value(client, LM85_REG_TEMP_MAX(i)); } data->vid = lm85_read_value(client, LM85_REG_VID); for (i = 0; i <= 2; ++i) { int val ; data->autofan[i].config = lm85_read_value(client, LM85_REG_AFAN_CONFIG(i)); val = lm85_read_value(client, LM85_REG_AFAN_RANGE(i)); data->autofan[i].freq = val & 0x07 ; data->zone[i].range = (val >> 4) & 0x0f ; data->autofan[i].min_pwm = lm85_read_value(client, LM85_REG_AFAN_MINPWM(i)); data->zone[i].limit = lm85_read_value(client, LM85_REG_AFAN_LIMIT(i)); data->zone[i].critical = lm85_read_value(client, LM85_REG_AFAN_CRITICAL(i)); } i = lm85_read_value(client, LM85_REG_AFAN_SPIKE1); data->smooth[0] = i & 0x0f ; data->syncpwm3 = i & 0x10 ; /* Save PWM3 config */ data->autofan[0].min_off = i & 0x20 ; data->autofan[1].min_off = i & 0x40 ; data->autofan[2].min_off = i & 0x80 ; i = lm85_read_value(client, LM85_REG_AFAN_SPIKE2); data->smooth[1] = (i>>4) & 0x0f ; data->smooth[2] = i & 0x0f ; i = lm85_read_value(client, LM85_REG_AFAN_HYST1); data->zone[0].hyst = (i>>4) & 0x0f ; data->zone[1].hyst = i & 0x0f ; i = lm85_read_value(client, LM85_REG_AFAN_HYST2); data->zone[2].hyst = (i>>4) & 0x0f ; switch( ((struct lm85_data *)(client->data))->type ) { case lm85b : case lm85c : data->tach_mode = lm85_read_value(client, LM85_REG_TACH_MODE ); data->spinup_ctl = lm85_read_value(client, LM85_REG_SPINUP_CTL ); break ; case adt7463 : for (i = 0; i <= 2; ++i) { data->oppoint[i] = lm85_read_value(client, ADT7463_REG_OPPOINT(i) ); } data->tmin_ctl = lm85_read_value(client, ADT7463_REG_TMIN_CTL ); data->therm_limit = lm85_read_value(client, ADT7463_REG_THERM_LIMIT ); /* FALL THROUGH */ case adm1027 : for (i = 0; i <= 2; ++i) { data->temp_offset[i] = lm85_read_value(client, ADM1027_REG_TEMP_OFFSET(i) ); } data->tach_mode = lm85_read_value(client, ADM1027_REG_CONFIG3 ); data->fan_ppr = lm85_read_value(client, ADM1027_REG_FAN_PPR ); data->alarm_mask = lm85_read_value(client, ADM1027_REG_INTMASK ); break ; case emc6d100 : for (i = 5; i <= 7; ++i) { data->in_min[i] = lm85_read_value(client, EMC6D100_REG_IN_MIN(i)); data->in_max[i] = lm85_read_value(client, EMC6D100_REG_IN_MAX(i)); } break ; default : break ; /* no warnings */ } data->last_config = jiffies; }; /* last_config */ data->valid = 1; up(&data->update_lock); } /* The next functions are the call-back functions of the /proc/sys and sysctl files. Which function is used is defined in the ctl_table in the extra1 field. Each function must return the magnitude (power of 10 to divide the data with) if it is called with operation==SENSORS_PROC_REAL_INFO. It must put a maximum of *nrels elements in results reflecting the data of this file, and set *nrels to the number it actually put in it, if operation== SENSORS_PROC_REAL_READ. Finally, it must get upto *nrels elements from results and write them to the chip, if operations==SENSORS_PROC_REAL_WRITE. */ void lm85_in(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct lm85_data *data = client->data; int nr = ctl_name - LM85_SYSCTL_IN0; if (nr < 0 || nr > 4) return ; /* ERROR */ if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 3; /* 1.000 */ else if (operation == SENSORS_PROC_REAL_READ) { int ext = 0 ; lm85_update_client(client); ext = EXT_FROM_REG(data->extend_adc, nr); results[0] = INS_FROM_REG(nr,data->in_min[nr]); results[1] = INS_FROM_REG(nr,data->in_max[nr]); results[2] = INSEXT_FROM_REG(nr,data->in[nr],ext); *nrels_mag = 3; } else if (operation == SENSORS_PROC_REAL_WRITE) { down(&data->update_lock); if (*nrels_mag > 1) { data->in_max[nr] = INS_TO_REG(nr,results[1]); lm85_write_value(client, LM85_REG_IN_MAX(nr), data->in_max[nr]); } if (*nrels_mag > 0) { data->in_min[nr] = INS_TO_REG(nr,results[0]); lm85_write_value(client, LM85_REG_IN_MIN(nr), data->in_min[nr]); } up(&data->update_lock); } } void lm85_fan(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct lm85_data *data = client->data; int nr = ctl_name - LM85_SYSCTL_FAN1 ; if (nr < 0 || nr > 3) return ; /* ERROR */ if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 0; else if (operation == SENSORS_PROC_REAL_READ) { lm85_update_client(client); results[0] = FAN_FROM_REG(data->fan_min[nr]); results[1] = FAN_FROM_REG(data->fan[nr]); *nrels_mag = 2; } else if (operation == SENSORS_PROC_REAL_WRITE) { down(&data->update_lock); if (*nrels_mag > 0) { data->fan_min[nr] = FAN_TO_REG(results[0]); lm85_write_value(client, LM85_REG_FAN_MIN(nr), data->fan_min[nr]); } up(&data->update_lock); } } void lm85_temp(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct lm85_data *data = client->data; int nr = ctl_name - LM85_SYSCTL_TEMP1 ; if (nr < 0 || nr > 2) return ; /* ERROR */ if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 2; else if (operation == SENSORS_PROC_REAL_READ) { int ext = 0 ; lm85_update_client(client); /* +5 for offset of temp data in ext reg */ ext = EXT_FROM_REG(data->extend_adc, nr+5); results[0] = TEMP_FROM_REG(data->temp_min[nr]); results[1] = TEMP_FROM_REG(data->temp_max[nr]); results[2] = TEMPEXT_FROM_REG(data->temp[nr],ext); *nrels_mag = 3; } else if (operation == SENSORS_PROC_REAL_WRITE) { down(&data->update_lock); if (*nrels_mag > 1) { data->temp_max[nr] = TEMP_TO_REG(results[1]); lm85_write_value(client, LM85_REG_TEMP_MAX(nr), data->temp_max[nr]); } if (*nrels_mag > 0) { data->temp_min[nr] = TEMP_TO_REG(results[0]); lm85_write_value(client, LM85_REG_TEMP_MIN(nr), data->temp_min[nr]); } up(&data->update_lock); } } void lm85_pwm(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct lm85_data *data = client->data; int nr = ctl_name - LM85_SYSCTL_PWM1 ; int pwm_zone ; if (nr < 0 || nr > 2) return ; /* ERROR */ if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 0; else if (operation == SENSORS_PROC_REAL_READ) { lm85_update_client(client); results[0] = PWM_FROM_REG(data->pwm[nr]); pwm_zone = ZONE_FROM_REG(data->autofan[nr].config); /* PWM "enabled" if not off (0) nor on (-1) */ results[1] = pwm_zone != 0 && pwm_zone != -1 ; *nrels_mag = 2; } else if (operation == SENSORS_PROC_REAL_WRITE) { down(&data->update_lock); /* PWM enable is read-only */ if (*nrels_mag > 0) { data->pwm[nr] = PWM_TO_REG(results[0]); lm85_write_value(client, LM85_REG_PWM(nr), data->pwm[nr]); } up(&data->update_lock); } } void lm85_vid(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct lm85_data *data = client->data; if( ctl_name != LM85_SYSCTL_VID ) return ; /* ERROR */ if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 3; else if (operation == SENSORS_PROC_REAL_READ) { lm85_update_client(client); results[0] = VID_FROM_REG((data->vid)&0x3f,data->vrm); *nrels_mag = 1; } } void lm85_vrm(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct lm85_data *data = client->data; if( ctl_name != LM85_SYSCTL_VRM ) return ; /* ERROR */ if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 1; else if (operation == SENSORS_PROC_REAL_READ) { results[0] = data->vrm ; *nrels_mag = 1; } else if (operation == SENSORS_PROC_REAL_WRITE) { down(&data->update_lock); if (*nrels_mag > 0) { data->vrm = results[0] ; } up(&data->update_lock); } } void lm85_alarms(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct lm85_data *data = client->data; if( ctl_name != LM85_SYSCTL_ALARMS ) return ; /* ERROR */ if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 0; else if (operation == SENSORS_PROC_REAL_READ) { lm85_update_client(client); results[0] = ALARMS_FROM_REG(data->alarms); *nrels_mag = 1; } } void lm85_spinup_ctl(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct lm85_data *data = client->data; int old; if( ctl_name != LM85_SYSCTL_SPINUP_CTL ) return ; /* ERROR */ if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 0; else if (operation == SENSORS_PROC_REAL_READ) { lm85_update_client(client); results[0] = (data->spinup_ctl & 1) != 0 ; results[1] = (data->spinup_ctl & 2) != 0 ; results[2] = (data->spinup_ctl & 4) != 0 ; *nrels_mag = 3; } else if (operation == SENSORS_PROC_REAL_WRITE) { down(&data->update_lock); old = data->spinup_ctl ; if (*nrels_mag > 2) { old = (old & (~4)) | (results[2]?4:0) ; } if (*nrels_mag > 1) { old = (old & (~2)) | (results[1]?2:0) ; } if (*nrels_mag > 0) { old = (old & (~1)) | (results[0]?1:0) ; lm85_write_value(client, LM85_REG_SPINUP_CTL, old); data->spinup_ctl = old ; } up(&data->update_lock); } } void lm85_tach_mode(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct lm85_data *data = client->data; int old; /* Tach Mode 1, Tach Mode 2, Tach Mode 3 & 4 */ if( ctl_name != LM85_SYSCTL_TACH_MODE ) return ; /* ERROR */ if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 0; else if (operation == SENSORS_PROC_REAL_READ) { lm85_update_client(client); results[0] = (data->tach_mode & 0x03) ; results[1] = (data->tach_mode & 0x0c) >> 2 ; results[2] = (data->tach_mode & 0x30) >> 4 ; *nrels_mag = 3; } else if (operation == SENSORS_PROC_REAL_WRITE) { down(&data->update_lock); old = data->tach_mode ; if (*nrels_mag > 2) { old = (old & (~0x30)) | ((results[2]&3) << 4) ; } if (*nrels_mag > 1) { old = (old & (~0x0c)) | ((results[1]&3) << 2) ; } if (*nrels_mag > 0) { old = (old & (~0x03)) | (results[0]&3) ; lm85_write_value(client, LM85_REG_TACH_MODE, old); data->tach_mode = old ; } up(&data->update_lock); } } void adm1027_tach_mode(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct lm85_data *data = client->data; int old; /* Tach/DC 1, Tach/DC 2, Tach/DC 3, Tach/DC 4 */ if( ctl_name != ADM1027_SYSCTL_TACH_MODE ) return ; /* ERROR */ if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 0; else if (operation == SENSORS_PROC_REAL_READ) { lm85_update_client(client); results[0] = (data->tach_mode & 0x10) != 0 ; results[1] = (data->tach_mode & 0x20) != 0 ; results[2] = (data->tach_mode & 0x40) != 0 ; results[3] = (data->tach_mode & 0x80) != 0 ; *nrels_mag = 4; } else if (operation == SENSORS_PROC_REAL_WRITE) { down(&data->update_lock); old = data->tach_mode ; if (*nrels_mag > 3) { old = (old & (~0x80)) | (results[3] ? 0x80 : 0) ; } if (*nrels_mag > 2) { old = (old & (~0x40)) | (results[2] ? 0x40 : 0) ; } if (*nrels_mag > 1) { old = (old & (~0x20)) | (results[1] ? 0x20 : 0) ; } if (*nrels_mag > 0) { old = (old & (~0x10)) | (results[0] ? 0x10 : 0) ; /* Enable fast measurements if any TACH's are DC */ old = (old & (~0x08)) | ((old&0xf0) ? 0x08 : 0) ; lm85_write_value(client, ADM1027_REG_CONFIG3, old); data->tach_mode = old ; } up(&data->update_lock); } } void lm85_pwm_config(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct lm85_data *data = client->data; int nr = ctl_name - LM85_SYSCTL_PWM_CFG1 ; /* Spinup, min PWM, PWM Frequency, min below limit, Invert */ if (nr < 0 || nr > 2) return ; /* ERROR */ if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 1; else if (operation == SENSORS_PROC_REAL_READ) { lm85_update_client(client); results[0] = SPINUP_FROM_REG(data->autofan[nr].config); results[1] = PWM_FROM_REG(data->autofan[nr].min_pwm)*10; results[2] = FREQ_FROM_REG(data->autofan[nr].freq); results[3] = data->autofan[nr].min_off ? 10 : 0 ; results[4] = (data->autofan[nr].config & 0x10) ? 10 : 0 ; *nrels_mag = 5; } else if (operation == SENSORS_PROC_REAL_WRITE) { int old_config ; down(&data->update_lock); old_config = data->autofan[nr].config ; if (*nrels_mag > 4) { old_config = (old_config & (~0x10)) | (results[4]?0x10:0) ; } if (*nrels_mag > 3) { data->autofan[nr].min_off = results[3] != 0 ; lm85_write_value(client, LM85_REG_AFAN_SPIKE1, data->smooth[0] | data->syncpwm3 | (data->autofan[0].min_off ? 0x20 : 0) | (data->autofan[1].min_off ? 0x40 : 0) | (data->autofan[2].min_off ? 0x80 : 0) ); } if (*nrels_mag > 2) { data->autofan[nr].freq = FREQ_TO_REG(results[2]) ; lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), (data->zone[nr].range << 4) | data->autofan[nr].freq ); } if (*nrels_mag > 1) { data->autofan[nr].min_pwm = PWM_TO_REG((results[1]+5)/10); lm85_write_value(client, LM85_REG_AFAN_MINPWM(nr), data->autofan[nr].min_pwm ); } if (*nrels_mag > 0) { old_config = (old_config & (~0x07)) | SPINUP_TO_REG(results[0]) ; lm85_write_value(client, LM85_REG_AFAN_CONFIG(nr), old_config); data->autofan[nr].config = old_config ; } up(&data->update_lock); } } void lm85_smooth(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct lm85_data *data = client->data; int nr = ctl_name - LM85_SYSCTL_SMOOTH1 ; if (nr < 0 || nr > 2) return ; /* ERROR */ if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 1; else if (operation == SENSORS_PROC_REAL_READ) { lm85_update_client(client); results[0] = SMOOTH_FROM_REG(data->smooth[nr]); *nrels_mag = 1; } else if (operation == SENSORS_PROC_REAL_WRITE) { down(&data->update_lock); if( *nrels_mag > 0 ) { data->smooth[nr] = SMOOTH_TO_REG(results[0]); } if( nr == 0 ) { lm85_write_value(client, LM85_REG_AFAN_SPIKE1, data->smooth[0] | data->syncpwm3 | (data->autofan[0].min_off ? 0x20 : 0) | (data->autofan[1].min_off ? 0x40 : 0) | (data->autofan[2].min_off ? 0x80 : 0) ); } else { lm85_write_value(client, LM85_REG_AFAN_SPIKE2, (data->smooth[1] << 4) | data->smooth[2]); } up(&data->update_lock); } } void lm85_zone(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct lm85_data *data = client->data; int nr = ctl_name - LM85_SYSCTL_ZONE1 ; /* Limit, Hysteresis (neg), Range, Critical */ if (nr < 0 || nr > 2) return ; /* ERROR */ if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 1; else if (operation == SENSORS_PROC_REAL_READ) { lm85_update_client(client); results[0] = TEMP_FROM_REG(data->zone[nr].limit) / 10; results[1] = HYST_FROM_REG(data->zone[nr].hyst); results[2] = RANGE_FROM_REG(data->zone[nr].range); results[3] = TEMP_FROM_REG(data->zone[nr].critical) / 10; *nrels_mag = 4; } else if (operation == SENSORS_PROC_REAL_WRITE) { down(&data->update_lock); if (*nrels_mag > 3) { data->zone[nr].critical = TEMP_TO_REG(results[3]*10); lm85_write_value(client, LM85_REG_AFAN_CRITICAL(nr), data->zone[nr].critical ); } if (*nrels_mag > 2) { data->zone[nr].range = RANGE_TO_REG(results[2]); lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), (data->zone[nr].range << 4) | data->autofan[nr].freq ); } if (*nrels_mag > 1) { data->zone[nr].hyst = HYST_TO_REG(results[1]); if( nr == 0 || nr == 1 ) { lm85_write_value(client, LM85_REG_AFAN_HYST1, (data->zone[0].hyst << 4) | data->zone[1].hyst ); } else { lm85_write_value(client, LM85_REG_AFAN_HYST2, (data->zone[2].hyst << 4) ); } } if (*nrels_mag > 0) { data->zone[nr].limit = TEMP_TO_REG(results[0]*10); lm85_write_value(client, LM85_REG_AFAN_LIMIT(nr), data->zone[nr].limit ); } up(&data->update_lock); } } void lm85_pwm_zone(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct lm85_data *data = client->data; int nr = ctl_name - LM85_SYSCTL_PWM_ZONE1 ; if (nr < 0 || nr > 2) return ; /* ERROR */ if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 0; else if (operation == SENSORS_PROC_REAL_READ) { lm85_update_client(client); results[0] = ZONE_FROM_REG(data->autofan[nr].config); *nrels_mag = 1; } else if (operation == SENSORS_PROC_REAL_WRITE) { down(&data->update_lock); if (*nrels_mag > 0) { data->autofan[nr].config = (data->autofan[nr].config & (~0xe0)) | ZONE_TO_REG(results[0]) ; lm85_write_value(client, LM85_REG_AFAN_CONFIG(nr), data->autofan[nr].config); } up(&data->update_lock); } } void adm1027_temp_offset(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct lm85_data *data = client->data; int nr = ctl_name - ADM1027_SYSCTL_TEMP_OFFSET1 ; if (nr < 0 || nr > 2) return ; /* ERROR */ if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 2; else if (operation == SENSORS_PROC_REAL_READ) { lm85_update_client(client); switch( data->type ) { case adm1027 : default : results[0] = TEMP_FROM_REG(data->temp_offset[nr]); break ; case adt7463 : results[0] = TEMPEXT_FROM_REG(0,data->temp_offset[nr]); break ; } *nrels_mag = 1; } else if (operation == SENSORS_PROC_REAL_WRITE) { down(&data->update_lock); if (*nrels_mag > 0) { switch( data->type ) { case adm1027 : default : data->temp_offset[nr] = TEMP_TO_REG(results[0]); break ; case adt7463 : data->temp_offset[nr] = EXTTEMP_TO_REG(results[0]); break ; }; lm85_write_value(client, ADM1027_REG_TEMP_OFFSET(nr), data->temp_offset[nr]); } up(&data->update_lock); } } void adm1027_fan_ppr(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct lm85_data *data = client->data; int old ; if (ctl_name != ADM1027_SYSCTL_FAN_PPR) return ; /* ERROR */ if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 0; else if (operation == SENSORS_PROC_REAL_READ) { lm85_update_client(client); results[0] = PPR_FROM_REG(data->fan_ppr,0); results[1] = PPR_FROM_REG(data->fan_ppr,1); results[2] = PPR_FROM_REG(data->fan_ppr,2); results[3] = PPR_FROM_REG(data->fan_ppr,3); *nrels_mag = 4; } else if (operation == SENSORS_PROC_REAL_WRITE) { down(&data->update_lock); old = data->fan_ppr ; if (*nrels_mag > 3) { old = (old & ~PPR_MASK(3)) | PPR_TO_REG(results[3],3); }; if (*nrels_mag > 2) { old = (old & ~PPR_MASK(2)) | PPR_TO_REG(results[2],2); }; if (*nrels_mag > 1) { old = (old & ~PPR_MASK(1)) | PPR_TO_REG(results[1],1); }; if (*nrels_mag > 0) { old = (old & ~PPR_MASK(0)) | PPR_TO_REG(results[0],0); lm85_write_value(client, ADM1027_REG_FAN_PPR, old); data->fan_ppr = old ; } up(&data->update_lock); } } void adm1027_alarm_mask(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct lm85_data *data = client->data; if( ctl_name != ADM1027_SYSCTL_ALARM_MASK ) return ; /* ERROR */ if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 0; else if (operation == SENSORS_PROC_REAL_READ) { lm85_update_client(client); results[0] = INTMASK_FROM_REG(data->alarm_mask); *nrels_mag = 1; } else if (operation == SENSORS_PROC_REAL_WRITE) { down(&data->update_lock); if (*nrels_mag > 0) { data->alarm_mask = INTMASK_TO_REG(results[0]); lm85_write_value(client, ADM1027_REG_INTMASK, data->alarm_mask); } up(&data->update_lock); } } void adt7463_tmin_ctl(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct lm85_data *data = client->data; int nr = ctl_name - ADT7463_SYSCTL_TMIN_CTL1 ; u16 old ; if (nr < 0 || nr > 2) return ; /* ERROR */ if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 0; else if (operation == SENSORS_PROC_REAL_READ) { old = data->tmin_ctl ; results[0] = (old & ( 0x2000 << nr )) != 0 ; results[1] = (old >> (nr*3)) & 0x07 ; results[2] = (old & ( 0x0400 << nr )) != 0 ; results[3] = OPPOINT_FROM_REG(data->oppoint[nr]); *nrels_mag = 4; } else if (operation == SENSORS_PROC_REAL_WRITE) { down(&data->update_lock); old = data->tmin_ctl ; if (*nrels_mag > 3) { data->oppoint[nr] = OPPOINT_TO_REG(results[3]); lm85_write_value(client, ADT7463_REG_OPPOINT(nr), data->oppoint[nr]); }; if (*nrels_mag > 2) { if( results[2] ) { old |= (0x0400 << nr) ; } else { old &= ~(0x0400 << nr) ; } }; if (*nrels_mag > 1) { old &= ~(0x07 << (nr*3)) ; old |= (results[1] & 0x07) << (nr*3) ; }; if (*nrels_mag > 0) { if( results[0] ) { old |= 0x2000 << nr ; } else { old &= ~(0x2000 << nr) ; } lm85_write_value(client, ADT7463_REG_TMIN_CTL, old); data->tmin_ctl = old ; } up(&data->update_lock); } } void adt7463_therm_signal(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct lm85_data *data = client->data; int counts ; if (ctl_name != ADT7463_SYSCTL_THERM_SIGNAL) return ; /* ERROR */ if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 0; else if (operation == SENSORS_PROC_REAL_READ) { /* Don't call update_client here because * ADT7463_REG_THERM has to be read every * 5 seconds to prevent lost counts */ down(&data->update_lock); counts = lm85_read_value(client, ADT7463_REG_THERM) & 0xff; if( data->therm_total < LONG_MAX - 256 ) { data->therm_total += counts ; } if( counts >= 255 ) { ++data->therm_ovfl ; } up(&data->update_lock); results[0] = data->therm_limit ; results[1] = data->therm_total ; results[2] = data->therm_ovfl ; *nrels_mag = 3; } else if (operation == SENSORS_PROC_REAL_WRITE) { down(&data->update_lock); /* therm_total and therm_ovfl are read only */ if (*nrels_mag > 0) { data->therm_limit = SENSORS_LIMIT(results[0],0,255); lm85_write_value(client, ADT7463_REG_THERM_LIMIT, data->therm_limit); }; up(&data->update_lock); } } void emc6d100_in(struct i2c_client *client, int operation, int ctl_name, int *nrels_mag, long *results) { struct lm85_data *data = client->data; int nr = ctl_name - EMC6D100_SYSCTL_IN5 +5; if (nr < 5 || nr > 7) return ; /* ERROR */ if (operation == SENSORS_PROC_REAL_INFO) *nrels_mag = 3; /* 1.000 */ else if (operation == SENSORS_PROC_REAL_READ) { lm85_update_client(client); results[0] = INS_FROM_REG(nr,data->in_min[nr]); results[1] = INS_FROM_REG(nr,data->in_max[nr]); results[2] = INS_FROM_REG(nr,data->in[nr]); *nrels_mag = 3; } else if (operation == SENSORS_PROC_REAL_WRITE) { down(&data->update_lock); if (*nrels_mag > 1) { data->in_max[nr] = INS_TO_REG(nr,results[1]); lm85_write_value(client, EMC6D100_REG_IN_MAX(nr), data->in_max[nr]); } if (*nrels_mag > 0) { data->in_min[nr] = INS_TO_REG(nr,results[0]); lm85_write_value(client, EMC6D100_REG_IN_MIN(nr), data->in_min[nr]); } up(&data->update_lock); } } static int __init sm_lm85_init(void) { printk("lm85: Version %s (%s)\n", LM_VERSION, LM_DATE); printk("lm85: See http://www.penguincomputing.com/lm_sensors for more info.\n" ); return i2c_add_driver(&lm85_driver); } static void __exit sm_lm85_exit(void) { i2c_del_driver(&lm85_driver); } /* Thanks to Richard Barrington for adding the LM85 to sensors-detect. * Thanks to Margit Schubert-While for help with * post 2.7.0 CVS changes */ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Philip Pokorny