X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fi2c%2Fchips%2Flm85.c;h=b1a0dc5f6b34fc104fcf3e2a1c09f311de237cde;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=795852aa6719d9d7b9f302f64dad7c07b2288017;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git diff --git a/drivers/i2c/chips/lm85.c b/drivers/i2c/chips/lm85.c index 795852aa6..b1a0dc5f6 100644 --- a/drivers/i2c/chips/lm85.c +++ b/drivers/i2c/chips/lm85.c @@ -4,6 +4,7 @@ Copyright (c) 1998, 1999 Frodo Looijaard Copyright (c) 2002, 2003 Philip Pokorny Copyright (c) 2003 Margit Schubert-While + Copyright (c) 2004 Justin Thiessen Chip details at @@ -26,23 +27,17 @@ #include #include #include +#include #include #include #include -/* -#include -*/ - -#undef LM85EXTENDEDFUNC /* Extended functionality */ /* Addresses to scan */ static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; -static unsigned short normal_i2c_range[] = { I2C_CLIENT_END }; static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END }; -static unsigned int normal_isa_range[] = { I2C_CLIENT_ISA_END }; /* Insmod parameters */ -SENSORS_INSMOD_4(lm85b, lm85c, adm1027, adt7463); +SENSORS_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102); /* The LM85 registers */ @@ -72,11 +67,17 @@ SENSORS_INSMOD_4(lm85b, lm85c, adm1027, adt7463); #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_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_ADT7463C 0x6A +#define LM85_VERSTEP_EMC6D100_A0 0x60 +#define LM85_VERSTEP_EMC6D100_A1 0x61 +#define LM85_VERSTEP_EMC6D102 0x65 #define LM85_REG_CONFIG 0x40 @@ -111,6 +112,16 @@ SENSORS_INSMOD_4(lm85b, lm85c, adm1027, adt7463); #define ADT7463_REG_THERM 0x79 #define ADT7463_REG_THERM_LIMIT 0x7A +#define EMC6D100_REG_ALARM3 0x7d +/* 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) +#define EMC6D102_REG_EXTEND_ADC1 0x85 +#define EMC6D102_REG_EXTEND_ADC2 0x86 +#define EMC6D102_REG_EXTEND_ADC3 0x87 +#define EMC6D102_REG_EXTEND_ADC4 0x88 + #define LM85_ALARM_IN0 0x0001 #define LM85_ALARM_IN1 0x0002 #define LM85_ALARM_IN2 0x0004 @@ -134,36 +145,36 @@ SENSORS_INSMOD_4(lm85b, lm85c, adm1027, adt7463); 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 + 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)) + +#define INS_TO_REG(n,val) \ + SENSORS_LIMIT(SCALE(val,lm85_scaling[n],192),0,255) + +#define INSEXT_FROM_REG(n,val,ext,scale) \ + SCALE((val)*(scale) + (ext),192*(scale),lm85_scaling[n]) + +#define INS_FROM_REG(n,val) INSEXT_FROM_REG(n,val,0,1) /* 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 .001 degC increments */ -#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)+500)/1000,-127,127)) -#define TEMPEXT_FROM_REG(val,ext) ((val)*1000 + (ext)*250) -#define TEMP_FROM_REG(val) (TEMPEXT_FROM_REG(val,0)) -#define EXTTEMP_TO_REG(val) (SENSORS_LIMIT((val)/250,-127,127)) +#define TEMP_TO_REG(val) \ + SENSORS_LIMIT(SCALE(val,1000,1),-127,127) +#define TEMPEXT_FROM_REG(val,ext,scale) \ + SCALE((val)*scale + (ext),scale,1000) +#define TEMP_FROM_REG(val) \ + TEMPEXT_FROM_REG(val,0,1) #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) - -#ifdef LM85EXTENDEDFUNC /* Extended functionality */ /* ZONEs have the following parameters: * Limit (low) temp, 1. degC @@ -183,20 +194,32 @@ static int lm85_scaling[] = { /* .001 Volts */ * 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 +/* These are the zone temperature range encodings in .001 degree C */ +static int lm85_range_map[] = { + 2000, 2500, 3300, 4000, 5000, 6600, + 8000, 10000, 13300, 16000, 20000, 26600, + 32000, 40000, 53300, 80000 }; 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 ; + if ( range < lm85_range_map[0] ) { + return 0 ; + } else if ( range > lm85_range_map[15] ) { + return 15 ; + } else { /* find closest match */ + for ( i = 14 ; i >= 0 ; --i ) { + if ( range > lm85_range_map[i] ) { /* range bracketed */ + if ((lm85_range_map[i+1] - range) < + (range - lm85_range_map[i])) { + i++; + break; + } + break; + } + } + } return( i & 0x0f ); } #define RANGE_FROM_REG(val) (lm85_range_map[(val)&0x0f]) @@ -206,41 +229,9 @@ static int RANGE_TO_REG( int range ) * 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 + 100, 150, 230, 300, 380, 470, 620, 940 }; static int FREQ_TO_REG( int freq ) { @@ -266,13 +257,9 @@ static int FREQ_TO_REG( int freq ) * -2 -- PWM responds to manual control */ -#endif /* Extended functionality */ - static int lm85_zone_map[] = { 1, 2, 3, -1, 0, 23, 123, -2 }; #define ZONE_FROM_REG(val) (lm85_zone_map[((val)>>5)&0x07]) -#ifdef LM85EXTENDEDFUNC /* Extended functionality */ - static int ZONE_TO_REG( int zone ) { int i; @@ -285,10 +272,8 @@ static int ZONE_TO_REG( int zone ) return( (i & 0x07)<<5 ); } -#endif /* Extended functionality */ - -#define HYST_TO_REG(val) (SENSORS_LIMIT((-(val)+5)/10,0,15)) -#define HYST_FROM_REG(val) (-(val)*10) +#define HYST_TO_REG(val) (SENSORS_LIMIT(((val)+500)/1000,0,15)) +#define HYST_FROM_REG(val) ((val)*1000) #define OFFSET_TO_REG(val) (SENSORS_LIMIT((val)/25,-127,127)) #define OFFSET_FROM_REG(val) ((val)*25) @@ -308,9 +293,6 @@ static int ZONE_TO_REG( int zone ) * version of the driver. */ -/* 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 @@ -341,6 +323,14 @@ struct lm85_zone { u8 hyst; /* Low limit hysteresis. (0-15) */ u8 range; /* Temp range, encoded */ s8 critical; /* "All fans ON" temp limit */ + u8 off_desired; /* Actual "off" temperature specified. Preserved + * to prevent "drift" as other autofan control + * values change. + */ + u8 max_desired; /* Actual "max" temperature specified. Preserved + * to prevent "drift" as other autofan control + * values change. + */ }; struct lm85_autofan { @@ -360,9 +350,9 @@ struct lm85_data { unsigned long last_reading; /* In jiffies */ unsigned long last_config; /* In jiffies */ - u8 in[5]; /* Register value */ - u8 in_max[5]; /* Register value */ - u8 in_min[5]; /* Register value */ + 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 */ @@ -372,7 +362,9 @@ struct lm85_data { u8 pwm[3]; /* Register value */ u8 spinup_ctl; /* Register encoding, combined */ u8 tach_mode; /* Register encoding, combined */ - u16 extend_adc; /* Register value */ + u8 temp_ext[3]; /* Decoded values */ + u8 in_ext[8]; /* Decoded values */ + u8 adc_scale; /* ADC Extended bits scaling factor */ u8 fan_ppr; /* Register value */ u8 smooth[3]; /* Register encoding */ u8 vid; /* Register value */ @@ -382,7 +374,7 @@ struct lm85_data { u16 tmin_ctl; /* Register value */ unsigned long therm_total; /* Cummulative therm count */ u8 therm_limit; /* Register value */ - u16 alarms; /* Register encoding, combined */ + u32 alarms; /* Register encoding, combined */ struct lm85_autofan autofan[3]; struct lm85_zone zone[3]; }; @@ -407,9 +399,6 @@ static struct i2c_driver lm85_driver = { .detach_client = lm85_detach_client, }; -/* Unique ID assigned to each LM85 detected */ -static int lm85_id = 0; - /* 4 Fans */ static ssize_t show_fan(struct device *dev, char *buf, int nr) @@ -427,10 +416,9 @@ static ssize_t set_fan_min(struct device *dev, const char *buf, { struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); - int val; + long val = simple_strtol(buf, NULL, 10); down(&data->update_lock); - val = simple_strtol(buf, NULL, 10); data->fan_min[nr] = FAN_TO_REG(val); lm85_write_value(client, LM85_REG_FAN_MIN(nr), data->fan_min[nr]); up(&data->update_lock); @@ -440,20 +428,21 @@ static ssize_t set_fan_min(struct device *dev, const char *buf, #define show_fan_offset(offset) \ static ssize_t show_fan_##offset (struct device *dev, char *buf) \ { \ - return show_fan(dev, buf, 0x##offset - 1); \ + return show_fan(dev, buf, offset - 1); \ } \ static ssize_t show_fan_##offset##_min (struct device *dev, char *buf) \ { \ - return show_fan_min(dev, buf, 0x##offset - 1); \ + return show_fan_min(dev, buf, offset - 1); \ } \ static ssize_t set_fan_##offset##_min (struct device *dev, \ const char *buf, size_t count) \ { \ - return set_fan_min(dev, buf, count, 0x##offset - 1); \ + return set_fan_min(dev, buf, count, offset - 1); \ } \ -static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan_##offset, NULL) \ +static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan_##offset, \ + NULL); \ static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ - show_fan_##offset##_min, set_fan_##offset##_min) + show_fan_##offset##_min, set_fan_##offset##_min); show_fan_offset(1); show_fan_offset(2); @@ -468,7 +457,7 @@ static ssize_t show_vid_reg(struct device *dev, char *buf) return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm)); } -static DEVICE_ATTR(in0_ref, S_IRUGO, show_vid_reg, NULL) +static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); static ssize_t show_vrm_reg(struct device *dev, char *buf) { @@ -487,7 +476,7 @@ static ssize_t store_vrm_reg(struct device *dev, const char *buf, size_t count) return count; } -static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg) +static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); static ssize_t show_alarms_reg(struct device *dev, char *buf) { @@ -495,7 +484,7 @@ static ssize_t show_alarms_reg(struct device *dev, char *buf) return sprintf(buf, "%ld\n", (long) ALARMS_FROM_REG(data->alarms)); } -static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL) +static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); /* pwm */ @@ -509,10 +498,9 @@ static ssize_t set_pwm(struct device *dev, const char *buf, { struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); - int val; + long val = simple_strtol(buf, NULL, 10); down(&data->update_lock); - val = simple_strtol(buf, NULL, 10); data->pwm[nr] = PWM_TO_REG(val); lm85_write_value(client, LM85_REG_PWM(nr), data->pwm[nr]); up(&data->update_lock); @@ -530,20 +518,21 @@ static ssize_t show_pwm_enable(struct device *dev, char *buf, int nr) #define show_pwm_reg(offset) \ static ssize_t show_pwm_##offset (struct device *dev, char *buf) \ { \ - return show_pwm(dev, buf, 0x##offset - 1); \ + return show_pwm(dev, buf, offset - 1); \ } \ static ssize_t set_pwm_##offset (struct device *dev, \ const char *buf, size_t count) \ { \ - return set_pwm(dev, buf, count, 0x##offset - 1); \ + return set_pwm(dev, buf, count, offset - 1); \ } \ static ssize_t show_pwm_enable##offset (struct device *dev, char *buf) \ { \ - return show_pwm_enable(dev, buf, 0x##offset - 1); \ + return show_pwm_enable(dev, buf, offset - 1); \ } \ -static DEVICE_ATTR(fan##offset##_pwm, S_IRUGO | S_IWUSR, \ - show_pwm_##offset, set_pwm_##offset) \ -static DEVICE_ATTR(fan##offset##_pwm_enable, S_IRUGO, show_pwm_enable##offset, NULL) +static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ + show_pwm_##offset, set_pwm_##offset); \ +static DEVICE_ATTR(pwm##offset##_enable, S_IRUGO, \ + show_pwm_enable##offset, NULL); show_pwm_reg(1); show_pwm_reg(2); @@ -554,7 +543,10 @@ show_pwm_reg(3); static ssize_t show_in(struct device *dev, char *buf, int nr) { struct lm85_data *data = lm85_update_device(dev); - return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in[nr]) ); + return sprintf( buf, "%d\n", INSEXT_FROM_REG(nr, + data->in[nr], + data->in_ext[nr], + data->adc_scale) ); } static ssize_t show_in_min(struct device *dev, char *buf, int nr) { @@ -566,10 +558,9 @@ static ssize_t set_in_min(struct device *dev, const char *buf, { struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); - int val; + long val = simple_strtol(buf, NULL, 10); down(&data->update_lock); - val = simple_strtol(buf, NULL, 10); data->in_min[nr] = INS_TO_REG(nr, val); lm85_write_value(client, LM85_REG_IN_MIN(nr), data->in_min[nr]); up(&data->update_lock); @@ -585,10 +576,9 @@ static ssize_t set_in_max(struct device *dev, const char *buf, { struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); - int val; + long val = simple_strtol(buf, NULL, 10); down(&data->update_lock); - val = simple_strtol(buf, NULL, 10); data->in_max[nr] = INS_TO_REG(nr, val); lm85_write_value(client, LM85_REG_IN_MAX(nr), data->in_max[nr]); up(&data->update_lock); @@ -597,31 +587,32 @@ static ssize_t set_in_max(struct device *dev, const char *buf, #define show_in_reg(offset) \ static ssize_t show_in_##offset (struct device *dev, char *buf) \ { \ - return show_in(dev, buf, 0x##offset); \ + return show_in(dev, buf, offset); \ } \ static ssize_t show_in_##offset##_min (struct device *dev, char *buf) \ { \ - return show_in_min(dev, buf, 0x##offset); \ + return show_in_min(dev, buf, offset); \ } \ static ssize_t show_in_##offset##_max (struct device *dev, char *buf) \ { \ - return show_in_max(dev, buf, 0x##offset); \ + return show_in_max(dev, buf, offset); \ } \ static ssize_t set_in_##offset##_min (struct device *dev, \ const char *buf, size_t count) \ { \ - return set_in_min(dev, buf, count, 0x##offset); \ + return set_in_min(dev, buf, count, offset); \ } \ static ssize_t set_in_##offset##_max (struct device *dev, \ const char *buf, size_t count) \ { \ - return set_in_max(dev, buf, count, 0x##offset); \ + return set_in_max(dev, buf, count, offset); \ } \ -static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in_##offset, NULL) \ +static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in_##offset, \ + NULL); \ static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ - show_in_##offset##_min, set_in_##offset##_min) \ + show_in_##offset##_min, set_in_##offset##_min); \ static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ - show_in_##offset##_max, set_in_##offset##_max) + show_in_##offset##_max, set_in_##offset##_max); show_in_reg(0); show_in_reg(1); @@ -634,7 +625,9 @@ show_in_reg(4); static ssize_t show_temp(struct device *dev, char *buf, int nr) { struct lm85_data *data = lm85_update_device(dev); - return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp[nr]) ); + return sprintf(buf,"%d\n", TEMPEXT_FROM_REG(data->temp[nr], + data->temp_ext[nr], + data->adc_scale) ); } static ssize_t show_temp_min(struct device *dev, char *buf, int nr) { @@ -646,10 +639,9 @@ static ssize_t set_temp_min(struct device *dev, const char *buf, { struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); - int val; + long val = simple_strtol(buf, NULL, 10); down(&data->update_lock); - val = simple_strtol(buf, NULL, 10); data->temp_min[nr] = TEMP_TO_REG(val); lm85_write_value(client, LM85_REG_TEMP_MIN(nr), data->temp_min[nr]); up(&data->update_lock); @@ -665,10 +657,9 @@ static ssize_t set_temp_max(struct device *dev, const char *buf, { struct i2c_client *client = to_i2c_client(dev); struct lm85_data *data = i2c_get_clientdata(client); - int val; + long val = simple_strtol(buf, NULL, 10); down(&data->update_lock); - val = simple_strtol(buf, NULL, 10); data->temp_max[nr] = TEMP_TO_REG(val); lm85_write_value(client, LM85_REG_TEMP_MAX(nr), data->temp_max[nr]); up(&data->update_lock); @@ -677,39 +668,360 @@ static ssize_t set_temp_max(struct device *dev, const char *buf, #define show_temp_reg(offset) \ static ssize_t show_temp_##offset (struct device *dev, char *buf) \ { \ - return show_temp(dev, buf, 0x##offset - 1); \ + return show_temp(dev, buf, offset - 1); \ } \ static ssize_t show_temp_##offset##_min (struct device *dev, char *buf) \ { \ - return show_temp_min(dev, buf, 0x##offset - 1); \ + return show_temp_min(dev, buf, offset - 1); \ } \ static ssize_t show_temp_##offset##_max (struct device *dev, char *buf) \ { \ - return show_temp_max(dev, buf, 0x##offset - 1); \ + return show_temp_max(dev, buf, offset - 1); \ } \ static ssize_t set_temp_##offset##_min (struct device *dev, \ const char *buf, size_t count) \ { \ - return set_temp_min(dev, buf, count, 0x##offset - 1); \ + return set_temp_min(dev, buf, count, offset - 1); \ } \ static ssize_t set_temp_##offset##_max (struct device *dev, \ const char *buf, size_t count) \ { \ - return set_temp_max(dev, buf, count, 0x##offset - 1); \ + return set_temp_max(dev, buf, count, offset - 1); \ } \ -static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp_##offset, NULL) \ +static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp_##offset, \ + NULL); \ static DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \ - show_temp_##offset##_min, set_temp_##offset##_min) \ + show_temp_##offset##_min, set_temp_##offset##_min); \ static DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ - show_temp_##offset##_max, set_temp_##offset##_max) + show_temp_##offset##_max, set_temp_##offset##_max); show_temp_reg(1); show_temp_reg(2); show_temp_reg(3); +/* Automatic PWM control */ + +static ssize_t show_pwm_auto_channels(struct device *dev, char *buf, int nr) +{ + struct lm85_data *data = lm85_update_device(dev); + return sprintf(buf,"%d\n", ZONE_FROM_REG(data->autofan[nr].config)); +} +static ssize_t set_pwm_auto_channels(struct device *dev, const char *buf, + size_t count, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lm85_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->autofan[nr].config = (data->autofan[nr].config & (~0xe0)) + | ZONE_TO_REG(val) ; + lm85_write_value(client, LM85_REG_AFAN_CONFIG(nr), + data->autofan[nr].config); + up(&data->update_lock); + return count; +} +static ssize_t show_pwm_auto_pwm_min(struct device *dev, char *buf, int nr) +{ + struct lm85_data *data = lm85_update_device(dev); + return sprintf(buf,"%d\n", PWM_FROM_REG(data->autofan[nr].min_pwm)); +} +static ssize_t set_pwm_auto_pwm_min(struct device *dev, const char *buf, + size_t count, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lm85_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->autofan[nr].min_pwm = PWM_TO_REG(val); + lm85_write_value(client, LM85_REG_AFAN_MINPWM(nr), + data->autofan[nr].min_pwm); + up(&data->update_lock); + return count; +} +static ssize_t show_pwm_auto_pwm_minctl(struct device *dev, char *buf, int nr) +{ + struct lm85_data *data = lm85_update_device(dev); + return sprintf(buf,"%d\n", data->autofan[nr].min_off); +} +static ssize_t set_pwm_auto_pwm_minctl(struct device *dev, const char *buf, + size_t count, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lm85_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->autofan[nr].min_off = val; + 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) + ); + up(&data->update_lock); + return count; +} +static ssize_t show_pwm_auto_pwm_freq(struct device *dev, char *buf, int nr) +{ + struct lm85_data *data = lm85_update_device(dev); + return sprintf(buf,"%d\n", FREQ_FROM_REG(data->autofan[nr].freq)); +} +static ssize_t set_pwm_auto_pwm_freq(struct device *dev, const char *buf, + size_t count, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lm85_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->autofan[nr].freq = FREQ_TO_REG(val); + lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), + (data->zone[nr].range << 4) + | data->autofan[nr].freq + ); + up(&data->update_lock); + return count; +} +#define pwm_auto(offset) \ +static ssize_t show_pwm##offset##_auto_channels (struct device *dev, \ + char *buf) \ +{ \ + return show_pwm_auto_channels(dev, buf, offset - 1); \ +} \ +static ssize_t set_pwm##offset##_auto_channels (struct device *dev, \ + const char *buf, size_t count) \ +{ \ + return set_pwm_auto_channels(dev, buf, count, offset - 1); \ +} \ +static ssize_t show_pwm##offset##_auto_pwm_min (struct device *dev, \ + char *buf) \ +{ \ + return show_pwm_auto_pwm_min(dev, buf, offset - 1); \ +} \ +static ssize_t set_pwm##offset##_auto_pwm_min (struct device *dev, \ + const char *buf, size_t count) \ +{ \ + return set_pwm_auto_pwm_min(dev, buf, count, offset - 1); \ +} \ +static ssize_t show_pwm##offset##_auto_pwm_minctl (struct device *dev, \ + char *buf) \ +{ \ + return show_pwm_auto_pwm_minctl(dev, buf, offset - 1); \ +} \ +static ssize_t set_pwm##offset##_auto_pwm_minctl (struct device *dev, \ + const char *buf, size_t count) \ +{ \ + return set_pwm_auto_pwm_minctl(dev, buf, count, offset - 1); \ +} \ +static ssize_t show_pwm##offset##_auto_pwm_freq (struct device *dev, \ + char *buf) \ +{ \ + return show_pwm_auto_pwm_freq(dev, buf, offset - 1); \ +} \ +static ssize_t set_pwm##offset##_auto_pwm_freq(struct device *dev, \ + const char *buf, size_t count) \ +{ \ + return set_pwm_auto_pwm_freq(dev, buf, count, offset - 1); \ +} \ +static DEVICE_ATTR(pwm##offset##_auto_channels, S_IRUGO | S_IWUSR, \ + show_pwm##offset##_auto_channels, \ + set_pwm##offset##_auto_channels); \ +static DEVICE_ATTR(pwm##offset##_auto_pwm_min, S_IRUGO | S_IWUSR, \ + show_pwm##offset##_auto_pwm_min, \ + set_pwm##offset##_auto_pwm_min); \ +static DEVICE_ATTR(pwm##offset##_auto_pwm_minctl, S_IRUGO | S_IWUSR, \ + show_pwm##offset##_auto_pwm_minctl, \ + set_pwm##offset##_auto_pwm_minctl); \ +static DEVICE_ATTR(pwm##offset##_auto_pwm_freq, S_IRUGO | S_IWUSR, \ + show_pwm##offset##_auto_pwm_freq, \ + set_pwm##offset##_auto_pwm_freq); +pwm_auto(1); +pwm_auto(2); +pwm_auto(3); + +/* Temperature settings for automatic PWM control */ + +static ssize_t show_temp_auto_temp_off(struct device *dev, char *buf, int nr) +{ + struct lm85_data *data = lm85_update_device(dev); + return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) - + HYST_FROM_REG(data->zone[nr].hyst)); +} +static ssize_t set_temp_auto_temp_off(struct device *dev, const char *buf, + size_t count, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lm85_data *data = i2c_get_clientdata(client); + int min; + long val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + min = TEMP_FROM_REG(data->zone[nr].limit); + data->zone[nr].off_desired = TEMP_TO_REG(val); + data->zone[nr].hyst = HYST_TO_REG(min - val); + 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) + ); + } + up(&data->update_lock); + return count; +} +static ssize_t show_temp_auto_temp_min(struct device *dev, char *buf, int nr) +{ + struct lm85_data *data = lm85_update_device(dev); + return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) ); +} +static ssize_t set_temp_auto_temp_min(struct device *dev, const char *buf, + size_t count, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lm85_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->zone[nr].limit = TEMP_TO_REG(val); + lm85_write_value(client, LM85_REG_AFAN_LIMIT(nr), + data->zone[nr].limit); + +/* Update temp_auto_max and temp_auto_range */ + data->zone[nr].range = RANGE_TO_REG( + TEMP_FROM_REG(data->zone[nr].max_desired) - + TEMP_FROM_REG(data->zone[nr].limit)); + lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), + ((data->zone[nr].range & 0x0f) << 4) + | (data->autofan[nr].freq & 0x07)); + +/* Update temp_auto_hyst and temp_auto_off */ + data->zone[nr].hyst = HYST_TO_REG(TEMP_FROM_REG( + data->zone[nr].limit) - TEMP_FROM_REG( + data->zone[nr].off_desired)); + 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) + ); + } + up(&data->update_lock); + return count; +} +static ssize_t show_temp_auto_temp_max(struct device *dev, char *buf, int nr) +{ + struct lm85_data *data = lm85_update_device(dev); + return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) + + RANGE_FROM_REG(data->zone[nr].range)); +} +static ssize_t set_temp_auto_temp_max(struct device *dev, const char *buf, + size_t count, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lm85_data *data = i2c_get_clientdata(client); + int min; + long val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + min = TEMP_FROM_REG(data->zone[nr].limit); + data->zone[nr].max_desired = TEMP_TO_REG(val); + data->zone[nr].range = RANGE_TO_REG( + val - min); + lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), + ((data->zone[nr].range & 0x0f) << 4) + | (data->autofan[nr].freq & 0x07)); + up(&data->update_lock); + return count; +} +static ssize_t show_temp_auto_temp_crit(struct device *dev, char *buf, int nr) +{ + struct lm85_data *data = lm85_update_device(dev); + return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].critical)); +} +static ssize_t set_temp_auto_temp_crit(struct device *dev, const char *buf, + size_t count, int nr) +{ + struct i2c_client *client = to_i2c_client(dev); + struct lm85_data *data = i2c_get_clientdata(client); + long val = simple_strtol(buf, NULL, 10); + + down(&data->update_lock); + data->zone[nr].critical = TEMP_TO_REG(val); + lm85_write_value(client, LM85_REG_AFAN_CRITICAL(nr), + data->zone[nr].critical); + up(&data->update_lock); + return count; +} +#define temp_auto(offset) \ +static ssize_t show_temp##offset##_auto_temp_off (struct device *dev, \ + char *buf) \ +{ \ + return show_temp_auto_temp_off(dev, buf, offset - 1); \ +} \ +static ssize_t set_temp##offset##_auto_temp_off (struct device *dev, \ + const char *buf, size_t count) \ +{ \ + return set_temp_auto_temp_off(dev, buf, count, offset - 1); \ +} \ +static ssize_t show_temp##offset##_auto_temp_min (struct device *dev, \ + char *buf) \ +{ \ + return show_temp_auto_temp_min(dev, buf, offset - 1); \ +} \ +static ssize_t set_temp##offset##_auto_temp_min (struct device *dev, \ + const char *buf, size_t count) \ +{ \ + return set_temp_auto_temp_min(dev, buf, count, offset - 1); \ +} \ +static ssize_t show_temp##offset##_auto_temp_max (struct device *dev, \ + char *buf) \ +{ \ + return show_temp_auto_temp_max(dev, buf, offset - 1); \ +} \ +static ssize_t set_temp##offset##_auto_temp_max (struct device *dev, \ + const char *buf, size_t count) \ +{ \ + return set_temp_auto_temp_max(dev, buf, count, offset - 1); \ +} \ +static ssize_t show_temp##offset##_auto_temp_crit (struct device *dev, \ + char *buf) \ +{ \ + return show_temp_auto_temp_crit(dev, buf, offset - 1); \ +} \ +static ssize_t set_temp##offset##_auto_temp_crit (struct device *dev, \ + const char *buf, size_t count) \ +{ \ + return set_temp_auto_temp_crit(dev, buf, count, offset - 1); \ +} \ +static DEVICE_ATTR(temp##offset##_auto_temp_off, S_IRUGO | S_IWUSR, \ + show_temp##offset##_auto_temp_off, \ + set_temp##offset##_auto_temp_off); \ +static DEVICE_ATTR(temp##offset##_auto_temp_min, S_IRUGO | S_IWUSR, \ + show_temp##offset##_auto_temp_min, \ + set_temp##offset##_auto_temp_min); \ +static DEVICE_ATTR(temp##offset##_auto_temp_max, S_IRUGO | S_IWUSR, \ + show_temp##offset##_auto_temp_max, \ + set_temp##offset##_auto_temp_max); \ +static DEVICE_ATTR(temp##offset##_auto_temp_crit, S_IRUGO | S_IWUSR, \ + show_temp##offset##_auto_temp_crit, \ + set_temp##offset##_auto_temp_crit); +temp_auto(1); +temp_auto(2); +temp_auto(3); + int lm85_attach_adapter(struct i2c_adapter *adapter) { + if (!(adapter->class & I2C_CLASS_HWMON)) + return 0; return i2c_detect(adapter, &addr_data, lm85_detect); } @@ -771,7 +1083,7 @@ int lm85_detect(struct i2c_adapter *adapter, int address, && verstep == LM85_VERSTEP_LM85B ) { kind = lm85b ; } else if( company == LM85_COMPANY_NATIONAL - && (verstep & 0xf0) == LM85_VERSTEP_GENERIC ) { + && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC ) { dev_err(&adapter->dev, "Unrecognized version/stepping 0x%02x" " Defaulting to LM85.\n", verstep); kind = any_chip ; @@ -779,20 +1091,41 @@ int lm85_detect(struct i2c_adapter *adapter, int address, && verstep == LM85_VERSTEP_ADM1027 ) { kind = adm1027 ; } else if( company == LM85_COMPANY_ANALOG_DEV - && verstep == LM85_VERSTEP_ADT7463 ) { + && (verstep == LM85_VERSTEP_ADT7463 + || verstep == LM85_VERSTEP_ADT7463C) ) { kind = adt7463 ; } else if( company == LM85_COMPANY_ANALOG_DEV - && (verstep & 0xf0) == LM85_VERSTEP_GENERIC ) { + && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC ) { dev_err(&adapter->dev, "Unrecognized version/stepping 0x%02x" - " Defaulting to ADM1027.\n", verstep); - kind = adm1027 ; - } else if( kind == 0 && (verstep & 0xf0) == 0x60) { + " 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_EMC6D102) { + kind = emc6d102 ; + } else if( company == LM85_COMPANY_SMSC + && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) { + dev_err(&adapter->dev, "lm85: Detected SMSC chip\n"); + dev_err(&adapter->dev, "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) { dev_err(&adapter->dev, "Generic LM85 Version 6 detected\n"); /* Leave kind as "any_chip" */ } else { dev_dbg(&adapter->dev, "Autodetection failed\n"); /* Not an LM85 ... */ - if( kind == 0 ) { /* User used force=x,y */ + if( kind == any_chip ) { /* User used force=x,y */ dev_err(&adapter->dev, "Generic LM85 Version 6 not" " found at %d,0x%02x. Try force_lm85c.\n", i2c_adapter_id(adapter), address ); @@ -813,26 +1146,24 @@ int lm85_detect(struct i2c_adapter *adapter, int address, type_name = "adm1027"; } else if ( kind == adt7463 ) { type_name = "adt7463"; + } else if ( kind == emc6d100){ + type_name = "emc6d100"; + } else if ( kind == emc6d102 ) { + type_name = "emc6d102"; } strlcpy(new_client->name, type_name, I2C_NAME_SIZE); /* Fill in the remaining client fields */ - new_client->id = lm85_id++; data->type = kind; data->valid = 0; init_MUTEX(&data->update_lock); - dev_dbg(&adapter->dev, "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); - /* Tell the I2C layer a new client has arrived */ if ((err = i2c_attach_client(new_client))) goto ERROR1; /* Set the VRM version */ - data->vrm = LM85_INIT_VRM ; + data->vrm = i2c_which_vrm(); /* Initialize the LM85 chip */ lm85_init_client(new_client); @@ -846,12 +1177,12 @@ int lm85_detect(struct i2c_adapter *adapter, int address, device_create_file(&new_client->dev, &dev_attr_fan2_min); device_create_file(&new_client->dev, &dev_attr_fan3_min); device_create_file(&new_client->dev, &dev_attr_fan4_min); - device_create_file(&new_client->dev, &dev_attr_fan1_pwm); - device_create_file(&new_client->dev, &dev_attr_fan2_pwm); - device_create_file(&new_client->dev, &dev_attr_fan3_pwm); - device_create_file(&new_client->dev, &dev_attr_fan1_pwm_enable); - device_create_file(&new_client->dev, &dev_attr_fan2_pwm_enable); - device_create_file(&new_client->dev, &dev_attr_fan3_pwm_enable); + device_create_file(&new_client->dev, &dev_attr_pwm1); + device_create_file(&new_client->dev, &dev_attr_pwm2); + device_create_file(&new_client->dev, &dev_attr_pwm3); + device_create_file(&new_client->dev, &dev_attr_pwm1_enable); + device_create_file(&new_client->dev, &dev_attr_pwm2_enable); + device_create_file(&new_client->dev, &dev_attr_pwm3_enable); device_create_file(&new_client->dev, &dev_attr_in0_input); device_create_file(&new_client->dev, &dev_attr_in1_input); device_create_file(&new_client->dev, &dev_attr_in2_input); @@ -877,8 +1208,32 @@ int lm85_detect(struct i2c_adapter *adapter, int address, device_create_file(&new_client->dev, &dev_attr_temp2_max); device_create_file(&new_client->dev, &dev_attr_temp3_max); device_create_file(&new_client->dev, &dev_attr_vrm); - device_create_file(&new_client->dev, &dev_attr_in0_ref); + device_create_file(&new_client->dev, &dev_attr_cpu0_vid); device_create_file(&new_client->dev, &dev_attr_alarms); + device_create_file(&new_client->dev, &dev_attr_pwm1_auto_channels); + device_create_file(&new_client->dev, &dev_attr_pwm2_auto_channels); + device_create_file(&new_client->dev, &dev_attr_pwm3_auto_channels); + device_create_file(&new_client->dev, &dev_attr_pwm1_auto_pwm_min); + device_create_file(&new_client->dev, &dev_attr_pwm2_auto_pwm_min); + device_create_file(&new_client->dev, &dev_attr_pwm3_auto_pwm_min); + device_create_file(&new_client->dev, &dev_attr_pwm1_auto_pwm_minctl); + device_create_file(&new_client->dev, &dev_attr_pwm2_auto_pwm_minctl); + device_create_file(&new_client->dev, &dev_attr_pwm3_auto_pwm_minctl); + device_create_file(&new_client->dev, &dev_attr_pwm1_auto_pwm_freq); + device_create_file(&new_client->dev, &dev_attr_pwm2_auto_pwm_freq); + device_create_file(&new_client->dev, &dev_attr_pwm3_auto_pwm_freq); + device_create_file(&new_client->dev, &dev_attr_temp1_auto_temp_off); + device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_off); + device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_off); + device_create_file(&new_client->dev, &dev_attr_temp1_auto_temp_min); + device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_min); + device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_min); + device_create_file(&new_client->dev, &dev_attr_temp1_auto_temp_max); + device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_max); + device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_max); + device_create_file(&new_client->dev, &dev_attr_temp1_auto_temp_crit); + device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_crit); + device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_crit); return 0; @@ -912,7 +1267,6 @@ int lm85_read_value(struct i2c_client *client, u8 reg) case LM85_REG_FAN_MIN(2) : case LM85_REG_FAN_MIN(3) : case LM85_REG_ALARM1 : /* Read both bytes at once */ - case ADM1027_REG_EXTEND_ADC1 : /* Read two bytes at once */ res = i2c_smbus_read_byte_data(client, reg) & 0xff ; res |= i2c_smbus_read_byte_data(client, reg+1) << 8 ; break ; @@ -1008,7 +1362,7 @@ static struct lm85_data *lm85_update_device(struct device *dev) down(&data->update_lock); if ( !data->valid || - (jiffies - data->last_reading > LM85_DATA_INTERVAL ) ) { + time_after(jiffies, data->last_reading + LM85_DATA_INTERVAL) ) { /* Things that change quickly */ dev_dbg(&client->dev, "Reading sensor values\n"); @@ -1016,10 +1370,25 @@ static struct lm85_data *lm85_update_device(struct device *dev) * more significant bits that are read later. */ if ( (data->type == adm1027) || (data->type == adt7463) ) { - data->extend_adc = - lm85_read_value(client, ADM1027_REG_EXTEND_ADC1); + int ext1 = lm85_read_value(client, + ADM1027_REG_EXTEND_ADC1); + int ext2 = lm85_read_value(client, + ADM1027_REG_EXTEND_ADC2); + int val = (ext1 << 8) + ext2; + + for(i = 0; i <= 4; i++) + data->in_ext[i] = (val>>(i * 2))&0x03; + + for(i = 0; i <= 2; i++) + data->temp_ext[i] = (val>>((i + 5) * 2))&0x03; } + /* adc_scale is 2^(number of LSBs). There are 4 extra bits in + the emc6d102 and 2 in the adt7463 and adm1027. In all + other chips ext is always 0 and the value of scale is + irrelevant. So it is left in 4*/ + data->adc_scale = (data->type == emc6d102 ) ? 16 : 4; + for (i = 0; i <= 4; ++i) { data->in[i] = lm85_read_value(client, LM85_REG_IN(i)); @@ -1040,20 +1409,51 @@ static struct lm85_data *lm85_update_device(struct device *dev) lm85_read_value(client, LM85_REG_PWM(i)); } + data->alarms = lm85_read_value(client, LM85_REG_ALARM1); + if ( data->type == adt7463 ) { if( data->therm_total < ULONG_MAX - 256 ) { data->therm_total += lm85_read_value(client, ADT7463_REG_THERM ); } + } else if ( data->type == 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; + } else if (data->type == emc6d102 ) { + /* Have to read LSB bits after the MSB ones because + the reading of the MSB bits has frozen the + LSBs (backward from the ADM1027). + */ + int ext1 = lm85_read_value(client, + EMC6D102_REG_EXTEND_ADC1); + int ext2 = lm85_read_value(client, + EMC6D102_REG_EXTEND_ADC2); + int ext3 = lm85_read_value(client, + EMC6D102_REG_EXTEND_ADC3); + int ext4 = lm85_read_value(client, + EMC6D102_REG_EXTEND_ADC4); + data->in_ext[0] = ext3 & 0x0f; + data->in_ext[1] = ext4 & 0x0f; + data->in_ext[2] = (ext4 >> 4) & 0x0f; + data->in_ext[3] = (ext3 >> 4) & 0x0f; + data->in_ext[4] = (ext2 >> 4) & 0x0f; + + data->temp_ext[0] = ext1 & 0x0f; + data->temp_ext[1] = ext2 & 0x0f; + data->temp_ext[2] = (ext1 >> 4) & 0x0f; } - data->alarms = lm85_read_value(client, LM85_REG_ALARM1); - data->last_reading = jiffies ; }; /* last_reading */ if ( !data->valid || - (jiffies - data->last_config > LM85_CONFIG_INTERVAL) ) { + time_after(jiffies, data->last_config + LM85_CONFIG_INTERVAL) ) { /* Things that don't change often */ dev_dbg(&client->dev, "Reading config values\n"); @@ -1064,6 +1464,15 @@ static struct lm85_data *lm85_update_device(struct device *dev) lm85_read_value(client, LM85_REG_IN_MAX(i)); } + if ( data->type == 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)); + } + } + for (i = 0; i <= 3; ++i) { data->fan_min[i] = lm85_read_value(client, LM85_REG_FAN_MIN(i)); @@ -1162,7 +1571,7 @@ static void __exit sm_lm85_exit(void) * post 2.7.0 CVS changes. */ MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Philip Pokorny , Margit Schubert-While "); +MODULE_AUTHOR("Philip Pokorny , Margit Schubert-While , Justin Thiessen