Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | lm85.c - Part of lm_sensors, Linux kernel modules for hardware |
| 3 | monitoring |
| 4 | Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl> |
| 5 | Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com> |
| 6 | Copyright (c) 2003 Margit Schubert-While <margitsw@t-online.de> |
| 7 | Copyright (c) 2004 Justin Thiessen <jthiessen@penguincomputing.com> |
| 8 | |
| 9 | Chip details at <http://www.national.com/ds/LM/LM85.pdf> |
| 10 | |
| 11 | This program is free software; you can redistribute it and/or modify |
| 12 | it under the terms of the GNU General Public License as published by |
| 13 | the Free Software Foundation; either version 2 of the License, or |
| 14 | (at your option) any later version. |
| 15 | |
| 16 | This program is distributed in the hope that it will be useful, |
| 17 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | GNU General Public License for more details. |
| 20 | |
| 21 | You should have received a copy of the GNU General Public License |
| 22 | along with this program; if not, write to the Free Software |
| 23 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 24 | */ |
| 25 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | #include <linux/module.h> |
| 27 | #include <linux/init.h> |
| 28 | #include <linux/slab.h> |
| 29 | #include <linux/jiffies.h> |
| 30 | #include <linux/i2c.h> |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 31 | #include <linux/hwmon.h> |
Jean Delvare | 303760b | 2005-07-31 21:52:01 +0200 | [diff] [blame] | 32 | #include <linux/hwmon-vid.h> |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 33 | #include <linux/hwmon-sysfs.h> |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 34 | #include <linux/err.h> |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 35 | #include <linux/mutex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | |
| 37 | /* Addresses to scan */ |
| 38 | static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | |
| 40 | /* Insmod parameters */ |
Jean Delvare | f4b5026 | 2005-07-31 21:49:03 +0200 | [diff] [blame] | 41 | I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | |
| 43 | /* The LM85 registers */ |
| 44 | |
| 45 | #define LM85_REG_IN(nr) (0x20 + (nr)) |
| 46 | #define LM85_REG_IN_MIN(nr) (0x44 + (nr) * 2) |
| 47 | #define LM85_REG_IN_MAX(nr) (0x45 + (nr) * 2) |
| 48 | |
| 49 | #define LM85_REG_TEMP(nr) (0x25 + (nr)) |
| 50 | #define LM85_REG_TEMP_MIN(nr) (0x4e + (nr) * 2) |
| 51 | #define LM85_REG_TEMP_MAX(nr) (0x4f + (nr) * 2) |
| 52 | |
| 53 | /* Fan speeds are LSB, MSB (2 bytes) */ |
| 54 | #define LM85_REG_FAN(nr) (0x28 + (nr) *2) |
| 55 | #define LM85_REG_FAN_MIN(nr) (0x54 + (nr) *2) |
| 56 | |
| 57 | #define LM85_REG_PWM(nr) (0x30 + (nr)) |
| 58 | |
| 59 | #define ADT7463_REG_OPPOINT(nr) (0x33 + (nr)) |
| 60 | |
| 61 | #define ADT7463_REG_TMIN_CTL1 0x36 |
| 62 | #define ADT7463_REG_TMIN_CTL2 0x37 |
| 63 | |
| 64 | #define LM85_REG_DEVICE 0x3d |
| 65 | #define LM85_REG_COMPANY 0x3e |
| 66 | #define LM85_REG_VERSTEP 0x3f |
| 67 | /* These are the recognized values for the above regs */ |
| 68 | #define LM85_DEVICE_ADX 0x27 |
| 69 | #define LM85_COMPANY_NATIONAL 0x01 |
| 70 | #define LM85_COMPANY_ANALOG_DEV 0x41 |
| 71 | #define LM85_COMPANY_SMSC 0x5c |
| 72 | #define LM85_VERSTEP_VMASK 0xf0 |
| 73 | #define LM85_VERSTEP_GENERIC 0x60 |
| 74 | #define LM85_VERSTEP_LM85C 0x60 |
| 75 | #define LM85_VERSTEP_LM85B 0x62 |
| 76 | #define LM85_VERSTEP_ADM1027 0x60 |
| 77 | #define LM85_VERSTEP_ADT7463 0x62 |
| 78 | #define LM85_VERSTEP_ADT7463C 0x6A |
| 79 | #define LM85_VERSTEP_EMC6D100_A0 0x60 |
| 80 | #define LM85_VERSTEP_EMC6D100_A1 0x61 |
| 81 | #define LM85_VERSTEP_EMC6D102 0x65 |
| 82 | |
| 83 | #define LM85_REG_CONFIG 0x40 |
| 84 | |
| 85 | #define LM85_REG_ALARM1 0x41 |
| 86 | #define LM85_REG_ALARM2 0x42 |
| 87 | |
| 88 | #define LM85_REG_VID 0x43 |
| 89 | |
| 90 | /* Automated FAN control */ |
| 91 | #define LM85_REG_AFAN_CONFIG(nr) (0x5c + (nr)) |
| 92 | #define LM85_REG_AFAN_RANGE(nr) (0x5f + (nr)) |
| 93 | #define LM85_REG_AFAN_SPIKE1 0x62 |
| 94 | #define LM85_REG_AFAN_SPIKE2 0x63 |
| 95 | #define LM85_REG_AFAN_MINPWM(nr) (0x64 + (nr)) |
| 96 | #define LM85_REG_AFAN_LIMIT(nr) (0x67 + (nr)) |
| 97 | #define LM85_REG_AFAN_CRITICAL(nr) (0x6a + (nr)) |
| 98 | #define LM85_REG_AFAN_HYST1 0x6d |
| 99 | #define LM85_REG_AFAN_HYST2 0x6e |
| 100 | |
| 101 | #define LM85_REG_TACH_MODE 0x74 |
| 102 | #define LM85_REG_SPINUP_CTL 0x75 |
| 103 | |
| 104 | #define ADM1027_REG_TEMP_OFFSET(nr) (0x70 + (nr)) |
| 105 | #define ADM1027_REG_CONFIG2 0x73 |
| 106 | #define ADM1027_REG_INTMASK1 0x74 |
| 107 | #define ADM1027_REG_INTMASK2 0x75 |
| 108 | #define ADM1027_REG_EXTEND_ADC1 0x76 |
| 109 | #define ADM1027_REG_EXTEND_ADC2 0x77 |
| 110 | #define ADM1027_REG_CONFIG3 0x78 |
| 111 | #define ADM1027_REG_FAN_PPR 0x7b |
| 112 | |
| 113 | #define ADT7463_REG_THERM 0x79 |
| 114 | #define ADT7463_REG_THERM_LIMIT 0x7A |
| 115 | |
| 116 | #define EMC6D100_REG_ALARM3 0x7d |
| 117 | /* IN5, IN6 and IN7 */ |
| 118 | #define EMC6D100_REG_IN(nr) (0x70 + ((nr)-5)) |
| 119 | #define EMC6D100_REG_IN_MIN(nr) (0x73 + ((nr)-5) * 2) |
| 120 | #define EMC6D100_REG_IN_MAX(nr) (0x74 + ((nr)-5) * 2) |
| 121 | #define EMC6D102_REG_EXTEND_ADC1 0x85 |
| 122 | #define EMC6D102_REG_EXTEND_ADC2 0x86 |
| 123 | #define EMC6D102_REG_EXTEND_ADC3 0x87 |
| 124 | #define EMC6D102_REG_EXTEND_ADC4 0x88 |
| 125 | |
| 126 | #define LM85_ALARM_IN0 0x0001 |
| 127 | #define LM85_ALARM_IN1 0x0002 |
| 128 | #define LM85_ALARM_IN2 0x0004 |
| 129 | #define LM85_ALARM_IN3 0x0008 |
| 130 | #define LM85_ALARM_TEMP1 0x0010 |
| 131 | #define LM85_ALARM_TEMP2 0x0020 |
| 132 | #define LM85_ALARM_TEMP3 0x0040 |
| 133 | #define LM85_ALARM_ALARM2 0x0080 |
| 134 | #define LM85_ALARM_IN4 0x0100 |
| 135 | #define LM85_ALARM_RESERVED 0x0200 |
| 136 | #define LM85_ALARM_FAN1 0x0400 |
| 137 | #define LM85_ALARM_FAN2 0x0800 |
| 138 | #define LM85_ALARM_FAN3 0x1000 |
| 139 | #define LM85_ALARM_FAN4 0x2000 |
| 140 | #define LM85_ALARM_TEMP1_FAULT 0x4000 |
| 141 | #define LM85_ALARM_TEMP3_FAULT 0x8000 |
| 142 | |
| 143 | |
| 144 | /* Conversions. Rounding and limit checking is only done on the TO_REG |
| 145 | variants. Note that you should be a bit careful with which arguments |
| 146 | these macros are called: arguments may be evaluated more than once. |
| 147 | */ |
| 148 | |
| 149 | /* IN are scaled acording to built-in resistors */ |
| 150 | static int lm85_scaling[] = { /* .001 Volts */ |
| 151 | 2500, 2250, 3300, 5000, 12000, |
| 152 | 3300, 1500, 1800 /*EMC6D100*/ |
| 153 | }; |
| 154 | #define SCALE(val,from,to) (((val)*(to) + ((from)/2))/(from)) |
| 155 | |
| 156 | #define INS_TO_REG(n,val) \ |
| 157 | SENSORS_LIMIT(SCALE(val,lm85_scaling[n],192),0,255) |
| 158 | |
| 159 | #define INSEXT_FROM_REG(n,val,ext,scale) \ |
| 160 | SCALE((val)*(scale) + (ext),192*(scale),lm85_scaling[n]) |
| 161 | |
| 162 | #define INS_FROM_REG(n,val) INSEXT_FROM_REG(n,val,0,1) |
| 163 | |
| 164 | /* FAN speed is measured using 90kHz clock */ |
| 165 | #define FAN_TO_REG(val) (SENSORS_LIMIT( (val)<=0?0: 5400000/(val),0,65534)) |
| 166 | #define FAN_FROM_REG(val) ((val)==0?-1:(val)==0xffff?0:5400000/(val)) |
| 167 | |
| 168 | /* Temperature is reported in .001 degC increments */ |
| 169 | #define TEMP_TO_REG(val) \ |
| 170 | SENSORS_LIMIT(SCALE(val,1000,1),-127,127) |
| 171 | #define TEMPEXT_FROM_REG(val,ext,scale) \ |
| 172 | SCALE((val)*scale + (ext),scale,1000) |
| 173 | #define TEMP_FROM_REG(val) \ |
| 174 | TEMPEXT_FROM_REG(val,0,1) |
| 175 | |
| 176 | #define PWM_TO_REG(val) (SENSORS_LIMIT(val,0,255)) |
| 177 | #define PWM_FROM_REG(val) (val) |
| 178 | |
| 179 | |
| 180 | /* ZONEs have the following parameters: |
| 181 | * Limit (low) temp, 1. degC |
| 182 | * Hysteresis (below limit), 1. degC (0-15) |
| 183 | * Range of speed control, .1 degC (2-80) |
| 184 | * Critical (high) temp, 1. degC |
| 185 | * |
| 186 | * FAN PWMs have the following parameters: |
| 187 | * Reference Zone, 1, 2, 3, etc. |
| 188 | * Spinup time, .05 sec |
| 189 | * PWM value at limit/low temp, 1 count |
| 190 | * PWM Frequency, 1. Hz |
| 191 | * PWM is Min or OFF below limit, flag |
| 192 | * Invert PWM output, flag |
| 193 | * |
| 194 | * Some chips filter the temp, others the fan. |
| 195 | * Filter constant (or disabled) .1 seconds |
| 196 | */ |
| 197 | |
| 198 | /* These are the zone temperature range encodings in .001 degree C */ |
| 199 | static int lm85_range_map[] = { |
| 200 | 2000, 2500, 3300, 4000, 5000, 6600, |
| 201 | 8000, 10000, 13300, 16000, 20000, 26600, |
| 202 | 32000, 40000, 53300, 80000 |
| 203 | }; |
| 204 | static int RANGE_TO_REG( int range ) |
| 205 | { |
| 206 | int i; |
| 207 | |
| 208 | if ( range < lm85_range_map[0] ) { |
| 209 | return 0 ; |
| 210 | } else if ( range > lm85_range_map[15] ) { |
| 211 | return 15 ; |
| 212 | } else { /* find closest match */ |
| 213 | for ( i = 14 ; i >= 0 ; --i ) { |
| 214 | if ( range > lm85_range_map[i] ) { /* range bracketed */ |
| 215 | if ((lm85_range_map[i+1] - range) < |
| 216 | (range - lm85_range_map[i])) { |
| 217 | i++; |
| 218 | break; |
| 219 | } |
| 220 | break; |
| 221 | } |
| 222 | } |
| 223 | } |
| 224 | return( i & 0x0f ); |
| 225 | } |
| 226 | #define RANGE_FROM_REG(val) (lm85_range_map[(val)&0x0f]) |
| 227 | |
| 228 | /* These are the Acoustic Enhancement, or Temperature smoothing encodings |
| 229 | * NOTE: The enable/disable bit is INCLUDED in these encodings as the |
| 230 | * MSB (bit 3, value 8). If the enable bit is 0, the encoded value |
| 231 | * is ignored, or set to 0. |
| 232 | */ |
| 233 | /* These are the PWM frequency encodings */ |
| 234 | static int lm85_freq_map[] = { /* .1 Hz */ |
| 235 | 100, 150, 230, 300, 380, 470, 620, 940 |
| 236 | }; |
| 237 | static int FREQ_TO_REG( int freq ) |
| 238 | { |
| 239 | int i; |
| 240 | |
| 241 | if( freq >= lm85_freq_map[7] ) { return 7 ; } |
| 242 | for( i = 0 ; i < 7 ; ++i ) |
| 243 | if( freq <= lm85_freq_map[i] ) |
| 244 | break ; |
| 245 | return( i & 0x07 ); |
| 246 | } |
| 247 | #define FREQ_FROM_REG(val) (lm85_freq_map[(val)&0x07]) |
| 248 | |
| 249 | /* Since we can't use strings, I'm abusing these numbers |
| 250 | * to stand in for the following meanings: |
| 251 | * 1 -- PWM responds to Zone 1 |
| 252 | * 2 -- PWM responds to Zone 2 |
| 253 | * 3 -- PWM responds to Zone 3 |
| 254 | * 23 -- PWM responds to the higher temp of Zone 2 or 3 |
| 255 | * 123 -- PWM responds to highest of Zone 1, 2, or 3 |
| 256 | * 0 -- PWM is always at 0% (ie, off) |
| 257 | * -1 -- PWM is always at 100% |
| 258 | * -2 -- PWM responds to manual control |
| 259 | */ |
| 260 | |
| 261 | static int lm85_zone_map[] = { 1, 2, 3, -1, 0, 23, 123, -2 }; |
| 262 | #define ZONE_FROM_REG(val) (lm85_zone_map[((val)>>5)&0x07]) |
| 263 | |
| 264 | static int ZONE_TO_REG( int zone ) |
| 265 | { |
| 266 | int i; |
| 267 | |
| 268 | for( i = 0 ; i <= 7 ; ++i ) |
| 269 | if( zone == lm85_zone_map[i] ) |
| 270 | break ; |
| 271 | if( i > 7 ) /* Not found. */ |
| 272 | i = 3; /* Always 100% */ |
| 273 | return( (i & 0x07)<<5 ); |
| 274 | } |
| 275 | |
| 276 | #define HYST_TO_REG(val) (SENSORS_LIMIT(((val)+500)/1000,0,15)) |
| 277 | #define HYST_FROM_REG(val) ((val)*1000) |
| 278 | |
| 279 | #define OFFSET_TO_REG(val) (SENSORS_LIMIT((val)/25,-127,127)) |
| 280 | #define OFFSET_FROM_REG(val) ((val)*25) |
| 281 | |
| 282 | #define PPR_MASK(fan) (0x03<<(fan *2)) |
| 283 | #define PPR_TO_REG(val,fan) (SENSORS_LIMIT((val)-1,0,3)<<(fan *2)) |
| 284 | #define PPR_FROM_REG(val,fan) ((((val)>>(fan * 2))&0x03)+1) |
| 285 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 286 | /* Chip sampling rates |
| 287 | * |
| 288 | * Some sensors are not updated more frequently than once per second |
| 289 | * so it doesn't make sense to read them more often than that. |
| 290 | * We cache the results and return the saved data if the driver |
| 291 | * is called again before a second has elapsed. |
| 292 | * |
| 293 | * Also, there is significant configuration data for this chip |
| 294 | * given the automatic PWM fan control that is possible. There |
| 295 | * are about 47 bytes of config data to only 22 bytes of actual |
| 296 | * readings. So, we keep the config data up to date in the cache |
| 297 | * when it is written and only sample it once every 1 *minute* |
| 298 | */ |
| 299 | #define LM85_DATA_INTERVAL (HZ + HZ / 2) |
| 300 | #define LM85_CONFIG_INTERVAL (1 * 60 * HZ) |
| 301 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 302 | /* LM85 can automatically adjust fan speeds based on temperature |
| 303 | * This structure encapsulates an entire Zone config. There are |
| 304 | * three zones (one for each temperature input) on the lm85 |
| 305 | */ |
| 306 | struct lm85_zone { |
| 307 | s8 limit; /* Low temp limit */ |
| 308 | u8 hyst; /* Low limit hysteresis. (0-15) */ |
| 309 | u8 range; /* Temp range, encoded */ |
| 310 | s8 critical; /* "All fans ON" temp limit */ |
| 311 | u8 off_desired; /* Actual "off" temperature specified. Preserved |
| 312 | * to prevent "drift" as other autofan control |
| 313 | * values change. |
| 314 | */ |
| 315 | u8 max_desired; /* Actual "max" temperature specified. Preserved |
| 316 | * to prevent "drift" as other autofan control |
| 317 | * values change. |
| 318 | */ |
| 319 | }; |
| 320 | |
| 321 | struct lm85_autofan { |
| 322 | u8 config; /* Register value */ |
| 323 | u8 freq; /* PWM frequency, encoded */ |
| 324 | u8 min_pwm; /* Minimum PWM value, encoded */ |
| 325 | u8 min_off; /* Min PWM or OFF below "limit", flag */ |
| 326 | }; |
| 327 | |
Jean Delvare | ed6bafb | 2007-02-14 21:15:03 +0100 | [diff] [blame] | 328 | /* For each registered chip, we need to keep some data in memory. |
| 329 | The structure is dynamically allocated. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 330 | struct lm85_data { |
| 331 | struct i2c_client client; |
Tony Jones | 1beeffe | 2007-08-20 13:46:20 -0700 | [diff] [blame] | 332 | struct device *hwmon_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 333 | enum chips type; |
| 334 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 335 | struct mutex update_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 336 | int valid; /* !=0 if following fields are valid */ |
| 337 | unsigned long last_reading; /* In jiffies */ |
| 338 | unsigned long last_config; /* In jiffies */ |
| 339 | |
| 340 | u8 in[8]; /* Register value */ |
| 341 | u8 in_max[8]; /* Register value */ |
| 342 | u8 in_min[8]; /* Register value */ |
| 343 | s8 temp[3]; /* Register value */ |
| 344 | s8 temp_min[3]; /* Register value */ |
| 345 | s8 temp_max[3]; /* Register value */ |
| 346 | s8 temp_offset[3]; /* Register value */ |
| 347 | u16 fan[4]; /* Register value */ |
| 348 | u16 fan_min[4]; /* Register value */ |
| 349 | u8 pwm[3]; /* Register value */ |
| 350 | u8 spinup_ctl; /* Register encoding, combined */ |
| 351 | u8 tach_mode; /* Register encoding, combined */ |
| 352 | u8 temp_ext[3]; /* Decoded values */ |
| 353 | u8 in_ext[8]; /* Decoded values */ |
| 354 | u8 adc_scale; /* ADC Extended bits scaling factor */ |
| 355 | u8 fan_ppr; /* Register value */ |
| 356 | u8 smooth[3]; /* Register encoding */ |
| 357 | u8 vid; /* Register value */ |
| 358 | u8 vrm; /* VRM version */ |
| 359 | u8 syncpwm3; /* Saved PWM3 for TACH 2,3,4 config */ |
| 360 | u8 oppoint[3]; /* Register value */ |
| 361 | u16 tmin_ctl; /* Register value */ |
| 362 | unsigned long therm_total; /* Cummulative therm count */ |
| 363 | u8 therm_limit; /* Register value */ |
| 364 | u32 alarms; /* Register encoding, combined */ |
| 365 | struct lm85_autofan autofan[3]; |
| 366 | struct lm85_zone zone[3]; |
| 367 | }; |
| 368 | |
| 369 | static int lm85_attach_adapter(struct i2c_adapter *adapter); |
| 370 | static int lm85_detect(struct i2c_adapter *adapter, int address, |
| 371 | int kind); |
| 372 | static int lm85_detach_client(struct i2c_client *client); |
| 373 | |
Darren Jenkins | f6c27fc | 2006-02-27 23:14:58 +0100 | [diff] [blame] | 374 | static int lm85_read_value(struct i2c_client *client, u8 reg); |
| 375 | static int lm85_write_value(struct i2c_client *client, u8 reg, int value); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 376 | static struct lm85_data *lm85_update_device(struct device *dev); |
| 377 | static void lm85_init_client(struct i2c_client *client); |
| 378 | |
| 379 | |
| 380 | static struct i2c_driver lm85_driver = { |
Laurent Riffard | cdaf793 | 2005-11-26 20:37:41 +0100 | [diff] [blame] | 381 | .driver = { |
Laurent Riffard | cdaf793 | 2005-11-26 20:37:41 +0100 | [diff] [blame] | 382 | .name = "lm85", |
| 383 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 384 | .id = I2C_DRIVERID_LM85, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 385 | .attach_adapter = lm85_attach_adapter, |
| 386 | .detach_client = lm85_detach_client, |
| 387 | }; |
| 388 | |
| 389 | |
| 390 | /* 4 Fans */ |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 391 | static ssize_t show_fan(struct device *dev, struct device_attribute *attr, |
| 392 | char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 393 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 394 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | struct lm85_data *data = lm85_update_device(dev); |
| 396 | return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr]) ); |
| 397 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 398 | |
| 399 | static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr, |
| 400 | char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 401 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 402 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 403 | struct lm85_data *data = lm85_update_device(dev); |
| 404 | return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr]) ); |
| 405 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 406 | |
| 407 | static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, |
| 408 | const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 409 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 410 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | struct i2c_client *client = to_i2c_client(dev); |
| 412 | struct lm85_data *data = i2c_get_clientdata(client); |
| 413 | long val = simple_strtol(buf, NULL, 10); |
| 414 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 415 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 416 | data->fan_min[nr] = FAN_TO_REG(val); |
| 417 | lm85_write_value(client, LM85_REG_FAN_MIN(nr), data->fan_min[nr]); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 418 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | return count; |
| 420 | } |
| 421 | |
| 422 | #define show_fan_offset(offset) \ |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 423 | static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ |
| 424 | show_fan, NULL, offset - 1); \ |
| 425 | static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ |
| 426 | show_fan_min, set_fan_min, offset - 1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 427 | |
| 428 | show_fan_offset(1); |
| 429 | show_fan_offset(2); |
| 430 | show_fan_offset(3); |
| 431 | show_fan_offset(4); |
| 432 | |
| 433 | /* vid, vrm, alarms */ |
| 434 | |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 435 | static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 436 | { |
| 437 | struct lm85_data *data = lm85_update_device(dev); |
Jean Delvare | 9c516ef | 2005-11-26 20:07:54 +0100 | [diff] [blame] | 438 | int vid; |
| 439 | |
| 440 | if (data->type == adt7463 && (data->vid & 0x80)) { |
| 441 | /* 6-pin VID (VRM 10) */ |
| 442 | vid = vid_from_reg(data->vid & 0x3f, data->vrm); |
| 443 | } else { |
| 444 | /* 5-pin VID (VRM 9) */ |
| 445 | vid = vid_from_reg(data->vid & 0x1f, data->vrm); |
| 446 | } |
| 447 | |
| 448 | return sprintf(buf, "%d\n", vid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 449 | } |
| 450 | |
| 451 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); |
| 452 | |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 453 | static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 454 | { |
| 455 | struct lm85_data *data = lm85_update_device(dev); |
| 456 | return sprintf(buf, "%ld\n", (long) data->vrm); |
| 457 | } |
| 458 | |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 459 | static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 460 | { |
| 461 | struct i2c_client *client = to_i2c_client(dev); |
| 462 | struct lm85_data *data = i2c_get_clientdata(client); |
| 463 | u32 val; |
| 464 | |
| 465 | val = simple_strtoul(buf, NULL, 10); |
| 466 | data->vrm = val; |
| 467 | return count; |
| 468 | } |
| 469 | |
| 470 | static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); |
| 471 | |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 472 | static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 473 | { |
| 474 | struct lm85_data *data = lm85_update_device(dev); |
Jean Delvare | 68188ba | 2005-05-16 18:52:38 +0200 | [diff] [blame] | 475 | return sprintf(buf, "%u\n", data->alarms); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 476 | } |
| 477 | |
| 478 | static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); |
| 479 | |
| 480 | /* pwm */ |
| 481 | |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 482 | static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, |
| 483 | char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 484 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 485 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 486 | struct lm85_data *data = lm85_update_device(dev); |
| 487 | return sprintf(buf,"%d\n", PWM_FROM_REG(data->pwm[nr]) ); |
| 488 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 489 | |
| 490 | static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, |
| 491 | const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 492 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 493 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 494 | struct i2c_client *client = to_i2c_client(dev); |
| 495 | struct lm85_data *data = i2c_get_clientdata(client); |
| 496 | long val = simple_strtol(buf, NULL, 10); |
| 497 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 498 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 499 | data->pwm[nr] = PWM_TO_REG(val); |
| 500 | lm85_write_value(client, LM85_REG_PWM(nr), data->pwm[nr]); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 501 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 502 | return count; |
| 503 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 504 | |
| 505 | static ssize_t show_pwm_enable(struct device *dev, struct device_attribute |
| 506 | *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 507 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 508 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 509 | struct lm85_data *data = lm85_update_device(dev); |
| 510 | int pwm_zone; |
| 511 | |
| 512 | pwm_zone = ZONE_FROM_REG(data->autofan[nr].config); |
| 513 | return sprintf(buf,"%d\n", (pwm_zone != 0 && pwm_zone != -1) ); |
| 514 | } |
| 515 | |
| 516 | #define show_pwm_reg(offset) \ |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 517 | static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ |
| 518 | show_pwm, set_pwm, offset - 1); \ |
| 519 | static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO, \ |
| 520 | show_pwm_enable, NULL, offset - 1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 521 | |
| 522 | show_pwm_reg(1); |
| 523 | show_pwm_reg(2); |
| 524 | show_pwm_reg(3); |
| 525 | |
| 526 | /* Voltages */ |
| 527 | |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 528 | static ssize_t show_in(struct device *dev, struct device_attribute *attr, |
| 529 | char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 530 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 531 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 532 | struct lm85_data *data = lm85_update_device(dev); |
| 533 | return sprintf( buf, "%d\n", INSEXT_FROM_REG(nr, |
| 534 | data->in[nr], |
| 535 | data->in_ext[nr], |
| 536 | data->adc_scale) ); |
| 537 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 538 | |
| 539 | static ssize_t show_in_min(struct device *dev, struct device_attribute *attr, |
| 540 | char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 541 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 542 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 543 | struct lm85_data *data = lm85_update_device(dev); |
| 544 | return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_min[nr]) ); |
| 545 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 546 | |
| 547 | static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, |
| 548 | const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 549 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 550 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 551 | struct i2c_client *client = to_i2c_client(dev); |
| 552 | struct lm85_data *data = i2c_get_clientdata(client); |
| 553 | long val = simple_strtol(buf, NULL, 10); |
| 554 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 555 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 556 | data->in_min[nr] = INS_TO_REG(nr, val); |
| 557 | lm85_write_value(client, LM85_REG_IN_MIN(nr), data->in_min[nr]); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 558 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 559 | return count; |
| 560 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 561 | |
| 562 | static ssize_t show_in_max(struct device *dev, struct device_attribute *attr, |
| 563 | char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 564 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 565 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 566 | struct lm85_data *data = lm85_update_device(dev); |
| 567 | return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_max[nr]) ); |
| 568 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 569 | |
| 570 | static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, |
| 571 | const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 572 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 573 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 574 | struct i2c_client *client = to_i2c_client(dev); |
| 575 | struct lm85_data *data = i2c_get_clientdata(client); |
| 576 | long val = simple_strtol(buf, NULL, 10); |
| 577 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 578 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 579 | data->in_max[nr] = INS_TO_REG(nr, val); |
| 580 | lm85_write_value(client, LM85_REG_IN_MAX(nr), data->in_max[nr]); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 581 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 582 | return count; |
| 583 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 584 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 585 | #define show_in_reg(offset) \ |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 586 | static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \ |
| 587 | show_in, NULL, offset); \ |
| 588 | static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ |
| 589 | show_in_min, set_in_min, offset); \ |
| 590 | static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ |
| 591 | show_in_max, set_in_max, offset) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 592 | |
| 593 | show_in_reg(0); |
| 594 | show_in_reg(1); |
| 595 | show_in_reg(2); |
| 596 | show_in_reg(3); |
| 597 | show_in_reg(4); |
| 598 | |
| 599 | /* Temps */ |
| 600 | |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 601 | static ssize_t show_temp(struct device *dev, struct device_attribute *attr, |
| 602 | char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 603 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 604 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 605 | struct lm85_data *data = lm85_update_device(dev); |
| 606 | return sprintf(buf,"%d\n", TEMPEXT_FROM_REG(data->temp[nr], |
| 607 | data->temp_ext[nr], |
| 608 | data->adc_scale) ); |
| 609 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 610 | |
| 611 | static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr, |
| 612 | char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 613 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 614 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 615 | struct lm85_data *data = lm85_update_device(dev); |
| 616 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_min[nr]) ); |
| 617 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 618 | |
| 619 | static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, |
| 620 | const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 621 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 622 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 623 | struct i2c_client *client = to_i2c_client(dev); |
| 624 | struct lm85_data *data = i2c_get_clientdata(client); |
| 625 | long val = simple_strtol(buf, NULL, 10); |
| 626 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 627 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 628 | data->temp_min[nr] = TEMP_TO_REG(val); |
| 629 | lm85_write_value(client, LM85_REG_TEMP_MIN(nr), data->temp_min[nr]); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 630 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 631 | return count; |
| 632 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 633 | |
| 634 | static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr, |
| 635 | char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 636 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 637 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 638 | struct lm85_data *data = lm85_update_device(dev); |
| 639 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_max[nr]) ); |
| 640 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 641 | |
| 642 | static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, |
| 643 | const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 644 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 645 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 646 | struct i2c_client *client = to_i2c_client(dev); |
| 647 | struct lm85_data *data = i2c_get_clientdata(client); |
| 648 | long val = simple_strtol(buf, NULL, 10); |
| 649 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 650 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 651 | data->temp_max[nr] = TEMP_TO_REG(val); |
| 652 | lm85_write_value(client, LM85_REG_TEMP_MAX(nr), data->temp_max[nr]); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 653 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 654 | return count; |
| 655 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 656 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 657 | #define show_temp_reg(offset) \ |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 658 | static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ |
| 659 | show_temp, NULL, offset - 1); \ |
| 660 | static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \ |
| 661 | show_temp_min, set_temp_min, offset - 1); \ |
| 662 | static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ |
| 663 | show_temp_max, set_temp_max, offset - 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 664 | |
| 665 | show_temp_reg(1); |
| 666 | show_temp_reg(2); |
| 667 | show_temp_reg(3); |
| 668 | |
| 669 | |
| 670 | /* Automatic PWM control */ |
| 671 | |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 672 | static ssize_t show_pwm_auto_channels(struct device *dev, |
| 673 | struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 674 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 675 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 676 | struct lm85_data *data = lm85_update_device(dev); |
| 677 | return sprintf(buf,"%d\n", ZONE_FROM_REG(data->autofan[nr].config)); |
| 678 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 679 | |
| 680 | static ssize_t set_pwm_auto_channels(struct device *dev, |
| 681 | struct device_attribute *attr, const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 682 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 683 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 684 | struct i2c_client *client = to_i2c_client(dev); |
| 685 | struct lm85_data *data = i2c_get_clientdata(client); |
| 686 | long val = simple_strtol(buf, NULL, 10); |
| 687 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 688 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 689 | data->autofan[nr].config = (data->autofan[nr].config & (~0xe0)) |
| 690 | | ZONE_TO_REG(val) ; |
| 691 | lm85_write_value(client, LM85_REG_AFAN_CONFIG(nr), |
| 692 | data->autofan[nr].config); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 693 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 694 | return count; |
| 695 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 696 | |
| 697 | static ssize_t show_pwm_auto_pwm_min(struct device *dev, |
| 698 | struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 699 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 700 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 701 | struct lm85_data *data = lm85_update_device(dev); |
| 702 | return sprintf(buf,"%d\n", PWM_FROM_REG(data->autofan[nr].min_pwm)); |
| 703 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 704 | |
| 705 | static ssize_t set_pwm_auto_pwm_min(struct device *dev, |
| 706 | struct device_attribute *attr, const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 707 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 708 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 709 | struct i2c_client *client = to_i2c_client(dev); |
| 710 | struct lm85_data *data = i2c_get_clientdata(client); |
| 711 | long val = simple_strtol(buf, NULL, 10); |
| 712 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 713 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 714 | data->autofan[nr].min_pwm = PWM_TO_REG(val); |
| 715 | lm85_write_value(client, LM85_REG_AFAN_MINPWM(nr), |
| 716 | data->autofan[nr].min_pwm); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 717 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 718 | return count; |
| 719 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 720 | |
| 721 | static ssize_t show_pwm_auto_pwm_minctl(struct device *dev, |
| 722 | struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 723 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 724 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 725 | struct lm85_data *data = lm85_update_device(dev); |
| 726 | return sprintf(buf,"%d\n", data->autofan[nr].min_off); |
| 727 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 728 | |
| 729 | static ssize_t set_pwm_auto_pwm_minctl(struct device *dev, |
| 730 | struct device_attribute *attr, const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 731 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 732 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 733 | struct i2c_client *client = to_i2c_client(dev); |
| 734 | struct lm85_data *data = i2c_get_clientdata(client); |
| 735 | long val = simple_strtol(buf, NULL, 10); |
| 736 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 737 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 738 | data->autofan[nr].min_off = val; |
| 739 | lm85_write_value(client, LM85_REG_AFAN_SPIKE1, data->smooth[0] |
| 740 | | data->syncpwm3 |
| 741 | | (data->autofan[0].min_off ? 0x20 : 0) |
| 742 | | (data->autofan[1].min_off ? 0x40 : 0) |
| 743 | | (data->autofan[2].min_off ? 0x80 : 0) |
| 744 | ); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 745 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 746 | return count; |
| 747 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 748 | |
| 749 | static ssize_t show_pwm_auto_pwm_freq(struct device *dev, |
| 750 | struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 751 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 752 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 753 | struct lm85_data *data = lm85_update_device(dev); |
| 754 | return sprintf(buf,"%d\n", FREQ_FROM_REG(data->autofan[nr].freq)); |
| 755 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 756 | |
| 757 | static ssize_t set_pwm_auto_pwm_freq(struct device *dev, |
| 758 | struct device_attribute *attr, const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 759 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 760 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 761 | struct i2c_client *client = to_i2c_client(dev); |
| 762 | struct lm85_data *data = i2c_get_clientdata(client); |
| 763 | long val = simple_strtol(buf, NULL, 10); |
| 764 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 765 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 766 | data->autofan[nr].freq = FREQ_TO_REG(val); |
| 767 | lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), |
| 768 | (data->zone[nr].range << 4) |
| 769 | | data->autofan[nr].freq |
| 770 | ); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 771 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 772 | return count; |
| 773 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 774 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 775 | #define pwm_auto(offset) \ |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 776 | static SENSOR_DEVICE_ATTR(pwm##offset##_auto_channels, \ |
| 777 | S_IRUGO | S_IWUSR, show_pwm_auto_channels, \ |
| 778 | set_pwm_auto_channels, offset - 1); \ |
| 779 | static SENSOR_DEVICE_ATTR(pwm##offset##_auto_pwm_min, \ |
| 780 | S_IRUGO | S_IWUSR, show_pwm_auto_pwm_min, \ |
| 781 | set_pwm_auto_pwm_min, offset - 1); \ |
| 782 | static SENSOR_DEVICE_ATTR(pwm##offset##_auto_pwm_minctl, \ |
| 783 | S_IRUGO | S_IWUSR, show_pwm_auto_pwm_minctl, \ |
| 784 | set_pwm_auto_pwm_minctl, offset - 1); \ |
| 785 | static SENSOR_DEVICE_ATTR(pwm##offset##_auto_pwm_freq, \ |
| 786 | S_IRUGO | S_IWUSR, show_pwm_auto_pwm_freq, \ |
| 787 | set_pwm_auto_pwm_freq, offset - 1); |
| 788 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 789 | pwm_auto(1); |
| 790 | pwm_auto(2); |
| 791 | pwm_auto(3); |
| 792 | |
| 793 | /* Temperature settings for automatic PWM control */ |
| 794 | |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 795 | static ssize_t show_temp_auto_temp_off(struct device *dev, |
| 796 | struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 797 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 798 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 799 | struct lm85_data *data = lm85_update_device(dev); |
| 800 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) - |
| 801 | HYST_FROM_REG(data->zone[nr].hyst)); |
| 802 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 803 | |
| 804 | static ssize_t set_temp_auto_temp_off(struct device *dev, |
| 805 | struct device_attribute *attr, const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 806 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 807 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 808 | struct i2c_client *client = to_i2c_client(dev); |
| 809 | struct lm85_data *data = i2c_get_clientdata(client); |
| 810 | int min; |
| 811 | long val = simple_strtol(buf, NULL, 10); |
| 812 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 813 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 814 | min = TEMP_FROM_REG(data->zone[nr].limit); |
| 815 | data->zone[nr].off_desired = TEMP_TO_REG(val); |
| 816 | data->zone[nr].hyst = HYST_TO_REG(min - val); |
| 817 | if ( nr == 0 || nr == 1 ) { |
| 818 | lm85_write_value(client, LM85_REG_AFAN_HYST1, |
| 819 | (data->zone[0].hyst << 4) |
| 820 | | data->zone[1].hyst |
| 821 | ); |
| 822 | } else { |
| 823 | lm85_write_value(client, LM85_REG_AFAN_HYST2, |
| 824 | (data->zone[2].hyst << 4) |
| 825 | ); |
| 826 | } |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 827 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 828 | return count; |
| 829 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 830 | |
| 831 | static ssize_t show_temp_auto_temp_min(struct device *dev, |
| 832 | struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 833 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 834 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 835 | struct lm85_data *data = lm85_update_device(dev); |
| 836 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) ); |
| 837 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 838 | |
| 839 | static ssize_t set_temp_auto_temp_min(struct device *dev, |
| 840 | struct device_attribute *attr, const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 841 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 842 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 843 | struct i2c_client *client = to_i2c_client(dev); |
| 844 | struct lm85_data *data = i2c_get_clientdata(client); |
| 845 | long val = simple_strtol(buf, NULL, 10); |
| 846 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 847 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 848 | data->zone[nr].limit = TEMP_TO_REG(val); |
| 849 | lm85_write_value(client, LM85_REG_AFAN_LIMIT(nr), |
| 850 | data->zone[nr].limit); |
| 851 | |
| 852 | /* Update temp_auto_max and temp_auto_range */ |
| 853 | data->zone[nr].range = RANGE_TO_REG( |
| 854 | TEMP_FROM_REG(data->zone[nr].max_desired) - |
| 855 | TEMP_FROM_REG(data->zone[nr].limit)); |
| 856 | lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), |
| 857 | ((data->zone[nr].range & 0x0f) << 4) |
| 858 | | (data->autofan[nr].freq & 0x07)); |
| 859 | |
| 860 | /* Update temp_auto_hyst and temp_auto_off */ |
| 861 | data->zone[nr].hyst = HYST_TO_REG(TEMP_FROM_REG( |
| 862 | data->zone[nr].limit) - TEMP_FROM_REG( |
| 863 | data->zone[nr].off_desired)); |
| 864 | if ( nr == 0 || nr == 1 ) { |
| 865 | lm85_write_value(client, LM85_REG_AFAN_HYST1, |
| 866 | (data->zone[0].hyst << 4) |
| 867 | | data->zone[1].hyst |
| 868 | ); |
| 869 | } else { |
| 870 | lm85_write_value(client, LM85_REG_AFAN_HYST2, |
| 871 | (data->zone[2].hyst << 4) |
| 872 | ); |
| 873 | } |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 874 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 875 | return count; |
| 876 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 877 | |
| 878 | static ssize_t show_temp_auto_temp_max(struct device *dev, |
| 879 | struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 880 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 881 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 882 | struct lm85_data *data = lm85_update_device(dev); |
| 883 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) + |
| 884 | RANGE_FROM_REG(data->zone[nr].range)); |
| 885 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 886 | |
| 887 | static ssize_t set_temp_auto_temp_max(struct device *dev, |
| 888 | struct device_attribute *attr, const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 889 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 890 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 891 | struct i2c_client *client = to_i2c_client(dev); |
| 892 | struct lm85_data *data = i2c_get_clientdata(client); |
| 893 | int min; |
| 894 | long val = simple_strtol(buf, NULL, 10); |
| 895 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 896 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 897 | min = TEMP_FROM_REG(data->zone[nr].limit); |
| 898 | data->zone[nr].max_desired = TEMP_TO_REG(val); |
| 899 | data->zone[nr].range = RANGE_TO_REG( |
| 900 | val - min); |
| 901 | lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), |
| 902 | ((data->zone[nr].range & 0x0f) << 4) |
| 903 | | (data->autofan[nr].freq & 0x07)); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 904 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 905 | return count; |
| 906 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 907 | |
| 908 | static ssize_t show_temp_auto_temp_crit(struct device *dev, |
| 909 | struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 910 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 911 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 912 | struct lm85_data *data = lm85_update_device(dev); |
| 913 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].critical)); |
| 914 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 915 | |
| 916 | static ssize_t set_temp_auto_temp_crit(struct device *dev, |
| 917 | struct device_attribute *attr,const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 918 | { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 919 | int nr = to_sensor_dev_attr(attr)->index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 920 | struct i2c_client *client = to_i2c_client(dev); |
| 921 | struct lm85_data *data = i2c_get_clientdata(client); |
| 922 | long val = simple_strtol(buf, NULL, 10); |
| 923 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 924 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 925 | data->zone[nr].critical = TEMP_TO_REG(val); |
| 926 | lm85_write_value(client, LM85_REG_AFAN_CRITICAL(nr), |
| 927 | data->zone[nr].critical); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 928 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 929 | return count; |
| 930 | } |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 931 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 932 | #define temp_auto(offset) \ |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 933 | static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_off, \ |
| 934 | S_IRUGO | S_IWUSR, show_temp_auto_temp_off, \ |
| 935 | set_temp_auto_temp_off, offset - 1); \ |
| 936 | static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_min, \ |
| 937 | S_IRUGO | S_IWUSR, show_temp_auto_temp_min, \ |
| 938 | set_temp_auto_temp_min, offset - 1); \ |
| 939 | static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_max, \ |
| 940 | S_IRUGO | S_IWUSR, show_temp_auto_temp_max, \ |
| 941 | set_temp_auto_temp_max, offset - 1); \ |
| 942 | static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_crit, \ |
| 943 | S_IRUGO | S_IWUSR, show_temp_auto_temp_crit, \ |
| 944 | set_temp_auto_temp_crit, offset - 1); |
| 945 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 946 | temp_auto(1); |
| 947 | temp_auto(2); |
| 948 | temp_auto(3); |
| 949 | |
Ben Dooks | d8d2061 | 2005-10-26 21:05:46 +0200 | [diff] [blame] | 950 | static int lm85_attach_adapter(struct i2c_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 951 | { |
| 952 | if (!(adapter->class & I2C_CLASS_HWMON)) |
| 953 | return 0; |
Jean Delvare | 2ed2dc3 | 2005-07-31 21:42:02 +0200 | [diff] [blame] | 954 | return i2c_probe(adapter, &addr_data, lm85_detect); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 955 | } |
| 956 | |
Mark M. Hoffman | 0501a38 | 2006-09-24 21:14:35 +0200 | [diff] [blame] | 957 | static struct attribute *lm85_attributes[] = { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 958 | &sensor_dev_attr_fan1_input.dev_attr.attr, |
| 959 | &sensor_dev_attr_fan2_input.dev_attr.attr, |
| 960 | &sensor_dev_attr_fan3_input.dev_attr.attr, |
| 961 | &sensor_dev_attr_fan4_input.dev_attr.attr, |
| 962 | &sensor_dev_attr_fan1_min.dev_attr.attr, |
| 963 | &sensor_dev_attr_fan2_min.dev_attr.attr, |
| 964 | &sensor_dev_attr_fan3_min.dev_attr.attr, |
| 965 | &sensor_dev_attr_fan4_min.dev_attr.attr, |
| 966 | |
| 967 | &sensor_dev_attr_pwm1.dev_attr.attr, |
| 968 | &sensor_dev_attr_pwm2.dev_attr.attr, |
| 969 | &sensor_dev_attr_pwm3.dev_attr.attr, |
| 970 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, |
| 971 | &sensor_dev_attr_pwm2_enable.dev_attr.attr, |
| 972 | &sensor_dev_attr_pwm3_enable.dev_attr.attr, |
| 973 | |
| 974 | &sensor_dev_attr_in0_input.dev_attr.attr, |
| 975 | &sensor_dev_attr_in1_input.dev_attr.attr, |
| 976 | &sensor_dev_attr_in2_input.dev_attr.attr, |
| 977 | &sensor_dev_attr_in3_input.dev_attr.attr, |
| 978 | &sensor_dev_attr_in0_min.dev_attr.attr, |
| 979 | &sensor_dev_attr_in1_min.dev_attr.attr, |
| 980 | &sensor_dev_attr_in2_min.dev_attr.attr, |
| 981 | &sensor_dev_attr_in3_min.dev_attr.attr, |
| 982 | &sensor_dev_attr_in0_max.dev_attr.attr, |
| 983 | &sensor_dev_attr_in1_max.dev_attr.attr, |
| 984 | &sensor_dev_attr_in2_max.dev_attr.attr, |
| 985 | &sensor_dev_attr_in3_max.dev_attr.attr, |
| 986 | |
| 987 | &sensor_dev_attr_temp1_input.dev_attr.attr, |
| 988 | &sensor_dev_attr_temp2_input.dev_attr.attr, |
| 989 | &sensor_dev_attr_temp3_input.dev_attr.attr, |
| 990 | &sensor_dev_attr_temp1_min.dev_attr.attr, |
| 991 | &sensor_dev_attr_temp2_min.dev_attr.attr, |
| 992 | &sensor_dev_attr_temp3_min.dev_attr.attr, |
| 993 | &sensor_dev_attr_temp1_max.dev_attr.attr, |
| 994 | &sensor_dev_attr_temp2_max.dev_attr.attr, |
| 995 | &sensor_dev_attr_temp3_max.dev_attr.attr, |
| 996 | |
| 997 | &sensor_dev_attr_pwm1_auto_channels.dev_attr.attr, |
| 998 | &sensor_dev_attr_pwm2_auto_channels.dev_attr.attr, |
| 999 | &sensor_dev_attr_pwm3_auto_channels.dev_attr.attr, |
| 1000 | &sensor_dev_attr_pwm1_auto_pwm_min.dev_attr.attr, |
| 1001 | &sensor_dev_attr_pwm2_auto_pwm_min.dev_attr.attr, |
| 1002 | &sensor_dev_attr_pwm3_auto_pwm_min.dev_attr.attr, |
| 1003 | &sensor_dev_attr_pwm1_auto_pwm_minctl.dev_attr.attr, |
| 1004 | &sensor_dev_attr_pwm2_auto_pwm_minctl.dev_attr.attr, |
| 1005 | &sensor_dev_attr_pwm3_auto_pwm_minctl.dev_attr.attr, |
| 1006 | &sensor_dev_attr_pwm1_auto_pwm_freq.dev_attr.attr, |
| 1007 | &sensor_dev_attr_pwm2_auto_pwm_freq.dev_attr.attr, |
| 1008 | &sensor_dev_attr_pwm3_auto_pwm_freq.dev_attr.attr, |
| 1009 | |
| 1010 | &sensor_dev_attr_temp1_auto_temp_off.dev_attr.attr, |
| 1011 | &sensor_dev_attr_temp2_auto_temp_off.dev_attr.attr, |
| 1012 | &sensor_dev_attr_temp3_auto_temp_off.dev_attr.attr, |
| 1013 | &sensor_dev_attr_temp1_auto_temp_min.dev_attr.attr, |
| 1014 | &sensor_dev_attr_temp2_auto_temp_min.dev_attr.attr, |
| 1015 | &sensor_dev_attr_temp3_auto_temp_min.dev_attr.attr, |
| 1016 | &sensor_dev_attr_temp1_auto_temp_max.dev_attr.attr, |
| 1017 | &sensor_dev_attr_temp2_auto_temp_max.dev_attr.attr, |
| 1018 | &sensor_dev_attr_temp3_auto_temp_max.dev_attr.attr, |
| 1019 | &sensor_dev_attr_temp1_auto_temp_crit.dev_attr.attr, |
| 1020 | &sensor_dev_attr_temp2_auto_temp_crit.dev_attr.attr, |
| 1021 | &sensor_dev_attr_temp3_auto_temp_crit.dev_attr.attr, |
| 1022 | |
Mark M. Hoffman | 0501a38 | 2006-09-24 21:14:35 +0200 | [diff] [blame] | 1023 | &dev_attr_vrm.attr, |
| 1024 | &dev_attr_cpu0_vid.attr, |
| 1025 | &dev_attr_alarms.attr, |
Mark M. Hoffman | 0501a38 | 2006-09-24 21:14:35 +0200 | [diff] [blame] | 1026 | NULL |
| 1027 | }; |
| 1028 | |
| 1029 | static const struct attribute_group lm85_group = { |
| 1030 | .attrs = lm85_attributes, |
| 1031 | }; |
| 1032 | |
| 1033 | static struct attribute *lm85_attributes_opt[] = { |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 1034 | &sensor_dev_attr_in4_input.dev_attr.attr, |
| 1035 | &sensor_dev_attr_in4_min.dev_attr.attr, |
| 1036 | &sensor_dev_attr_in4_max.dev_attr.attr, |
Mark M. Hoffman | 0501a38 | 2006-09-24 21:14:35 +0200 | [diff] [blame] | 1037 | NULL |
| 1038 | }; |
| 1039 | |
| 1040 | static const struct attribute_group lm85_group_opt = { |
| 1041 | .attrs = lm85_attributes_opt, |
| 1042 | }; |
| 1043 | |
Ben Dooks | d8d2061 | 2005-10-26 21:05:46 +0200 | [diff] [blame] | 1044 | static int lm85_detect(struct i2c_adapter *adapter, int address, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1045 | int kind) |
| 1046 | { |
| 1047 | int company, verstep ; |
| 1048 | struct i2c_client *new_client = NULL; |
| 1049 | struct lm85_data *data; |
| 1050 | int err = 0; |
| 1051 | const char *type_name = ""; |
| 1052 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1053 | if (!i2c_check_functionality(adapter, |
| 1054 | I2C_FUNC_SMBUS_BYTE_DATA)) { |
| 1055 | /* We need to be able to do byte I/O */ |
| 1056 | goto ERROR0 ; |
| 1057 | }; |
| 1058 | |
| 1059 | /* OK. For now, we presume we have a valid client. We now create the |
| 1060 | client structure, even though we cannot fill it completely yet. |
| 1061 | But it allows us to access lm85_{read,write}_value. */ |
| 1062 | |
Deepak Saxena | ba9c2e8 | 2005-10-17 23:08:32 +0200 | [diff] [blame] | 1063 | if (!(data = kzalloc(sizeof(struct lm85_data), GFP_KERNEL))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1064 | err = -ENOMEM; |
| 1065 | goto ERROR0; |
| 1066 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1067 | |
| 1068 | new_client = &data->client; |
| 1069 | i2c_set_clientdata(new_client, data); |
| 1070 | new_client->addr = address; |
| 1071 | new_client->adapter = adapter; |
| 1072 | new_client->driver = &lm85_driver; |
| 1073 | new_client->flags = 0; |
| 1074 | |
| 1075 | /* Now, we do the remaining detection. */ |
| 1076 | |
| 1077 | company = lm85_read_value(new_client, LM85_REG_COMPANY); |
| 1078 | verstep = lm85_read_value(new_client, LM85_REG_VERSTEP); |
| 1079 | |
| 1080 | dev_dbg(&adapter->dev, "Detecting device at %d,0x%02x with" |
| 1081 | " COMPANY: 0x%02x and VERSTEP: 0x%02x\n", |
| 1082 | i2c_adapter_id(new_client->adapter), new_client->addr, |
| 1083 | company, verstep); |
| 1084 | |
| 1085 | /* If auto-detecting, Determine the chip type. */ |
| 1086 | if (kind <= 0) { |
| 1087 | dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x ...\n", |
| 1088 | i2c_adapter_id(adapter), address ); |
| 1089 | if( company == LM85_COMPANY_NATIONAL |
| 1090 | && verstep == LM85_VERSTEP_LM85C ) { |
| 1091 | kind = lm85c ; |
| 1092 | } else if( company == LM85_COMPANY_NATIONAL |
| 1093 | && verstep == LM85_VERSTEP_LM85B ) { |
| 1094 | kind = lm85b ; |
| 1095 | } else if( company == LM85_COMPANY_NATIONAL |
| 1096 | && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC ) { |
| 1097 | dev_err(&adapter->dev, "Unrecognized version/stepping 0x%02x" |
| 1098 | " Defaulting to LM85.\n", verstep); |
| 1099 | kind = any_chip ; |
| 1100 | } else if( company == LM85_COMPANY_ANALOG_DEV |
| 1101 | && verstep == LM85_VERSTEP_ADM1027 ) { |
| 1102 | kind = adm1027 ; |
| 1103 | } else if( company == LM85_COMPANY_ANALOG_DEV |
| 1104 | && (verstep == LM85_VERSTEP_ADT7463 |
| 1105 | || verstep == LM85_VERSTEP_ADT7463C) ) { |
| 1106 | kind = adt7463 ; |
| 1107 | } else if( company == LM85_COMPANY_ANALOG_DEV |
| 1108 | && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC ) { |
| 1109 | dev_err(&adapter->dev, "Unrecognized version/stepping 0x%02x" |
| 1110 | " Defaulting to Generic LM85.\n", verstep ); |
| 1111 | kind = any_chip ; |
| 1112 | } else if( company == LM85_COMPANY_SMSC |
| 1113 | && (verstep == LM85_VERSTEP_EMC6D100_A0 |
| 1114 | || verstep == LM85_VERSTEP_EMC6D100_A1) ) { |
| 1115 | /* Unfortunately, we can't tell a '100 from a '101 |
| 1116 | * from the registers. Since a '101 is a '100 |
| 1117 | * in a package with fewer pins and therefore no |
| 1118 | * 3.3V, 1.5V or 1.8V inputs, perhaps if those |
| 1119 | * inputs read 0, then it's a '101. |
| 1120 | */ |
| 1121 | kind = emc6d100 ; |
| 1122 | } else if( company == LM85_COMPANY_SMSC |
| 1123 | && verstep == LM85_VERSTEP_EMC6D102) { |
| 1124 | kind = emc6d102 ; |
| 1125 | } else if( company == LM85_COMPANY_SMSC |
| 1126 | && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) { |
| 1127 | dev_err(&adapter->dev, "lm85: Detected SMSC chip\n"); |
| 1128 | dev_err(&adapter->dev, "lm85: Unrecognized version/stepping 0x%02x" |
| 1129 | " Defaulting to Generic LM85.\n", verstep ); |
| 1130 | kind = any_chip ; |
| 1131 | } else if( kind == any_chip |
| 1132 | && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) { |
| 1133 | dev_err(&adapter->dev, "Generic LM85 Version 6 detected\n"); |
| 1134 | /* Leave kind as "any_chip" */ |
| 1135 | } else { |
| 1136 | dev_dbg(&adapter->dev, "Autodetection failed\n"); |
| 1137 | /* Not an LM85 ... */ |
| 1138 | if( kind == any_chip ) { /* User used force=x,y */ |
| 1139 | dev_err(&adapter->dev, "Generic LM85 Version 6 not" |
| 1140 | " found at %d,0x%02x. Try force_lm85c.\n", |
| 1141 | i2c_adapter_id(adapter), address ); |
| 1142 | } |
| 1143 | err = 0 ; |
| 1144 | goto ERROR1; |
| 1145 | } |
| 1146 | } |
| 1147 | |
| 1148 | /* Fill in the chip specific driver values */ |
| 1149 | if ( kind == any_chip ) { |
| 1150 | type_name = "lm85"; |
| 1151 | } else if ( kind == lm85b ) { |
| 1152 | type_name = "lm85b"; |
| 1153 | } else if ( kind == lm85c ) { |
| 1154 | type_name = "lm85c"; |
| 1155 | } else if ( kind == adm1027 ) { |
| 1156 | type_name = "adm1027"; |
| 1157 | } else if ( kind == adt7463 ) { |
| 1158 | type_name = "adt7463"; |
| 1159 | } else if ( kind == emc6d100){ |
| 1160 | type_name = "emc6d100"; |
| 1161 | } else if ( kind == emc6d102 ) { |
| 1162 | type_name = "emc6d102"; |
| 1163 | } |
| 1164 | strlcpy(new_client->name, type_name, I2C_NAME_SIZE); |
| 1165 | |
| 1166 | /* Fill in the remaining client fields */ |
| 1167 | data->type = kind; |
| 1168 | data->valid = 0; |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 1169 | mutex_init(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1170 | |
| 1171 | /* Tell the I2C layer a new client has arrived */ |
| 1172 | if ((err = i2c_attach_client(new_client))) |
| 1173 | goto ERROR1; |
| 1174 | |
| 1175 | /* Set the VRM version */ |
Jean Delvare | 303760b | 2005-07-31 21:52:01 +0200 | [diff] [blame] | 1176 | data->vrm = vid_which_vrm(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1177 | |
| 1178 | /* Initialize the LM85 chip */ |
| 1179 | lm85_init_client(new_client); |
| 1180 | |
| 1181 | /* Register sysfs hooks */ |
Mark M. Hoffman | 0501a38 | 2006-09-24 21:14:35 +0200 | [diff] [blame] | 1182 | if ((err = sysfs_create_group(&new_client->dev.kobj, &lm85_group))) |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1183 | goto ERROR2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1184 | |
Jean Delvare | 9c516ef | 2005-11-26 20:07:54 +0100 | [diff] [blame] | 1185 | /* The ADT7463 has an optional VRM 10 mode where pin 21 is used |
| 1186 | as a sixth digital VID input rather than an analog input. */ |
| 1187 | data->vid = lm85_read_value(new_client, LM85_REG_VID); |
Mark M. Hoffman | 0501a38 | 2006-09-24 21:14:35 +0200 | [diff] [blame] | 1188 | if (!(kind == adt7463 && (data->vid & 0x80))) |
| 1189 | if ((err = device_create_file(&new_client->dev, |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 1190 | &sensor_dev_attr_in4_input.dev_attr)) |
Mark M. Hoffman | 0501a38 | 2006-09-24 21:14:35 +0200 | [diff] [blame] | 1191 | || (err = device_create_file(&new_client->dev, |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 1192 | &sensor_dev_attr_in4_min.dev_attr)) |
Mark M. Hoffman | 0501a38 | 2006-09-24 21:14:35 +0200 | [diff] [blame] | 1193 | || (err = device_create_file(&new_client->dev, |
Jean Delvare | b353a48 | 2007-07-05 20:36:12 +0200 | [diff] [blame^] | 1194 | &sensor_dev_attr_in4_max.dev_attr))) |
Mark M. Hoffman | 0501a38 | 2006-09-24 21:14:35 +0200 | [diff] [blame] | 1195 | goto ERROR3; |
| 1196 | |
Tony Jones | 1beeffe | 2007-08-20 13:46:20 -0700 | [diff] [blame] | 1197 | data->hwmon_dev = hwmon_device_register(&new_client->dev); |
| 1198 | if (IS_ERR(data->hwmon_dev)) { |
| 1199 | err = PTR_ERR(data->hwmon_dev); |
Mark M. Hoffman | 0501a38 | 2006-09-24 21:14:35 +0200 | [diff] [blame] | 1200 | goto ERROR3; |
Jean Delvare | 9c516ef | 2005-11-26 20:07:54 +0100 | [diff] [blame] | 1201 | } |
| 1202 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1203 | return 0; |
| 1204 | |
| 1205 | /* Error out and cleanup code */ |
Mark M. Hoffman | 0501a38 | 2006-09-24 21:14:35 +0200 | [diff] [blame] | 1206 | ERROR3: |
| 1207 | sysfs_remove_group(&new_client->dev.kobj, &lm85_group); |
| 1208 | sysfs_remove_group(&new_client->dev.kobj, &lm85_group_opt); |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1209 | ERROR2: |
| 1210 | i2c_detach_client(new_client); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1211 | ERROR1: |
| 1212 | kfree(data); |
| 1213 | ERROR0: |
| 1214 | return err; |
| 1215 | } |
| 1216 | |
Ben Dooks | d8d2061 | 2005-10-26 21:05:46 +0200 | [diff] [blame] | 1217 | static int lm85_detach_client(struct i2c_client *client) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1218 | { |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1219 | struct lm85_data *data = i2c_get_clientdata(client); |
Tony Jones | 1beeffe | 2007-08-20 13:46:20 -0700 | [diff] [blame] | 1220 | hwmon_device_unregister(data->hwmon_dev); |
Mark M. Hoffman | 0501a38 | 2006-09-24 21:14:35 +0200 | [diff] [blame] | 1221 | sysfs_remove_group(&client->dev.kobj, &lm85_group); |
| 1222 | sysfs_remove_group(&client->dev.kobj, &lm85_group_opt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1223 | i2c_detach_client(client); |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1224 | kfree(data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1225 | return 0; |
| 1226 | } |
| 1227 | |
| 1228 | |
Ben Dooks | d8d2061 | 2005-10-26 21:05:46 +0200 | [diff] [blame] | 1229 | static int lm85_read_value(struct i2c_client *client, u8 reg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1230 | { |
| 1231 | int res; |
| 1232 | |
| 1233 | /* What size location is it? */ |
| 1234 | switch( reg ) { |
| 1235 | case LM85_REG_FAN(0) : /* Read WORD data */ |
| 1236 | case LM85_REG_FAN(1) : |
| 1237 | case LM85_REG_FAN(2) : |
| 1238 | case LM85_REG_FAN(3) : |
| 1239 | case LM85_REG_FAN_MIN(0) : |
| 1240 | case LM85_REG_FAN_MIN(1) : |
| 1241 | case LM85_REG_FAN_MIN(2) : |
| 1242 | case LM85_REG_FAN_MIN(3) : |
| 1243 | case LM85_REG_ALARM1 : /* Read both bytes at once */ |
| 1244 | res = i2c_smbus_read_byte_data(client, reg) & 0xff ; |
| 1245 | res |= i2c_smbus_read_byte_data(client, reg+1) << 8 ; |
| 1246 | break ; |
| 1247 | case ADT7463_REG_TMIN_CTL1 : /* Read WORD MSB, LSB */ |
| 1248 | res = i2c_smbus_read_byte_data(client, reg) << 8 ; |
| 1249 | res |= i2c_smbus_read_byte_data(client, reg+1) & 0xff ; |
| 1250 | break ; |
| 1251 | default: /* Read BYTE data */ |
| 1252 | res = i2c_smbus_read_byte_data(client, reg); |
| 1253 | break ; |
| 1254 | } |
| 1255 | |
| 1256 | return res ; |
| 1257 | } |
| 1258 | |
Ben Dooks | d8d2061 | 2005-10-26 21:05:46 +0200 | [diff] [blame] | 1259 | static int lm85_write_value(struct i2c_client *client, u8 reg, int value) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1260 | { |
| 1261 | int res ; |
| 1262 | |
| 1263 | switch( reg ) { |
| 1264 | case LM85_REG_FAN(0) : /* Write WORD data */ |
| 1265 | case LM85_REG_FAN(1) : |
| 1266 | case LM85_REG_FAN(2) : |
| 1267 | case LM85_REG_FAN(3) : |
| 1268 | case LM85_REG_FAN_MIN(0) : |
| 1269 | case LM85_REG_FAN_MIN(1) : |
| 1270 | case LM85_REG_FAN_MIN(2) : |
| 1271 | case LM85_REG_FAN_MIN(3) : |
| 1272 | /* NOTE: ALARM is read only, so not included here */ |
| 1273 | res = i2c_smbus_write_byte_data(client, reg, value & 0xff) ; |
| 1274 | res |= i2c_smbus_write_byte_data(client, reg+1, (value>>8) & 0xff) ; |
| 1275 | break ; |
| 1276 | case ADT7463_REG_TMIN_CTL1 : /* Write WORD MSB, LSB */ |
| 1277 | res = i2c_smbus_write_byte_data(client, reg, (value>>8) & 0xff); |
| 1278 | res |= i2c_smbus_write_byte_data(client, reg+1, value & 0xff) ; |
| 1279 | break ; |
| 1280 | default: /* Write BYTE data */ |
| 1281 | res = i2c_smbus_write_byte_data(client, reg, value); |
| 1282 | break ; |
| 1283 | } |
| 1284 | |
| 1285 | return res ; |
| 1286 | } |
| 1287 | |
Ben Dooks | d8d2061 | 2005-10-26 21:05:46 +0200 | [diff] [blame] | 1288 | static void lm85_init_client(struct i2c_client *client) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1289 | { |
| 1290 | int value; |
| 1291 | struct lm85_data *data = i2c_get_clientdata(client); |
| 1292 | |
| 1293 | dev_dbg(&client->dev, "Initializing device\n"); |
| 1294 | |
| 1295 | /* Warn if part was not "READY" */ |
| 1296 | value = lm85_read_value(client, LM85_REG_CONFIG); |
| 1297 | dev_dbg(&client->dev, "LM85_REG_CONFIG is: 0x%02x\n", value); |
| 1298 | if( value & 0x02 ) { |
| 1299 | dev_err(&client->dev, "Client (%d,0x%02x) config is locked.\n", |
| 1300 | i2c_adapter_id(client->adapter), client->addr ); |
| 1301 | }; |
| 1302 | if( ! (value & 0x04) ) { |
| 1303 | dev_err(&client->dev, "Client (%d,0x%02x) is not ready.\n", |
| 1304 | i2c_adapter_id(client->adapter), client->addr ); |
| 1305 | }; |
| 1306 | if( value & 0x10 |
| 1307 | && ( data->type == adm1027 |
| 1308 | || data->type == adt7463 ) ) { |
| 1309 | dev_err(&client->dev, "Client (%d,0x%02x) VxI mode is set. " |
| 1310 | "Please report this to the lm85 maintainer.\n", |
| 1311 | i2c_adapter_id(client->adapter), client->addr ); |
| 1312 | }; |
| 1313 | |
| 1314 | /* WE INTENTIONALLY make no changes to the limits, |
| 1315 | * offsets, pwms, fans and zones. If they were |
| 1316 | * configured, we don't want to mess with them. |
| 1317 | * If they weren't, the default is 100% PWM, no |
| 1318 | * control and will suffice until 'sensors -s' |
| 1319 | * can be run by the user. |
| 1320 | */ |
| 1321 | |
| 1322 | /* Start monitoring */ |
| 1323 | value = lm85_read_value(client, LM85_REG_CONFIG); |
| 1324 | /* Try to clear LOCK, Set START, save everything else */ |
| 1325 | value = (value & ~ 0x02) | 0x01 ; |
| 1326 | dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value); |
| 1327 | lm85_write_value(client, LM85_REG_CONFIG, value); |
| 1328 | } |
| 1329 | |
| 1330 | static struct lm85_data *lm85_update_device(struct device *dev) |
| 1331 | { |
| 1332 | struct i2c_client *client = to_i2c_client(dev); |
| 1333 | struct lm85_data *data = i2c_get_clientdata(client); |
| 1334 | int i; |
| 1335 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 1336 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1337 | |
| 1338 | if ( !data->valid || |
| 1339 | time_after(jiffies, data->last_reading + LM85_DATA_INTERVAL) ) { |
| 1340 | /* Things that change quickly */ |
| 1341 | dev_dbg(&client->dev, "Reading sensor values\n"); |
| 1342 | |
| 1343 | /* Have to read extended bits first to "freeze" the |
| 1344 | * more significant bits that are read later. |
| 1345 | */ |
| 1346 | if ( (data->type == adm1027) || (data->type == adt7463) ) { |
| 1347 | int ext1 = lm85_read_value(client, |
| 1348 | ADM1027_REG_EXTEND_ADC1); |
| 1349 | int ext2 = lm85_read_value(client, |
| 1350 | ADM1027_REG_EXTEND_ADC2); |
| 1351 | int val = (ext1 << 8) + ext2; |
| 1352 | |
| 1353 | for(i = 0; i <= 4; i++) |
| 1354 | data->in_ext[i] = (val>>(i * 2))&0x03; |
| 1355 | |
| 1356 | for(i = 0; i <= 2; i++) |
| 1357 | data->temp_ext[i] = (val>>((i + 5) * 2))&0x03; |
| 1358 | } |
| 1359 | |
| 1360 | /* adc_scale is 2^(number of LSBs). There are 4 extra bits in |
| 1361 | the emc6d102 and 2 in the adt7463 and adm1027. In all |
| 1362 | other chips ext is always 0 and the value of scale is |
| 1363 | irrelevant. So it is left in 4*/ |
| 1364 | data->adc_scale = (data->type == emc6d102 ) ? 16 : 4; |
| 1365 | |
Jean Delvare | 9c516ef | 2005-11-26 20:07:54 +0100 | [diff] [blame] | 1366 | data->vid = lm85_read_value(client, LM85_REG_VID); |
| 1367 | |
| 1368 | for (i = 0; i <= 3; ++i) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1369 | data->in[i] = |
| 1370 | lm85_read_value(client, LM85_REG_IN(i)); |
| 1371 | } |
| 1372 | |
Jean Delvare | 9c516ef | 2005-11-26 20:07:54 +0100 | [diff] [blame] | 1373 | if (!(data->type == adt7463 && (data->vid & 0x80))) { |
| 1374 | data->in[4] = lm85_read_value(client, |
| 1375 | LM85_REG_IN(4)); |
| 1376 | } |
| 1377 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1378 | for (i = 0; i <= 3; ++i) { |
| 1379 | data->fan[i] = |
| 1380 | lm85_read_value(client, LM85_REG_FAN(i)); |
| 1381 | } |
| 1382 | |
| 1383 | for (i = 0; i <= 2; ++i) { |
| 1384 | data->temp[i] = |
| 1385 | lm85_read_value(client, LM85_REG_TEMP(i)); |
| 1386 | } |
| 1387 | |
| 1388 | for (i = 0; i <= 2; ++i) { |
| 1389 | data->pwm[i] = |
| 1390 | lm85_read_value(client, LM85_REG_PWM(i)); |
| 1391 | } |
| 1392 | |
| 1393 | data->alarms = lm85_read_value(client, LM85_REG_ALARM1); |
| 1394 | |
| 1395 | if ( data->type == adt7463 ) { |
| 1396 | if( data->therm_total < ULONG_MAX - 256 ) { |
| 1397 | data->therm_total += |
| 1398 | lm85_read_value(client, ADT7463_REG_THERM ); |
| 1399 | } |
| 1400 | } else if ( data->type == emc6d100 ) { |
| 1401 | /* Three more voltage sensors */ |
| 1402 | for (i = 5; i <= 7; ++i) { |
| 1403 | data->in[i] = |
| 1404 | lm85_read_value(client, EMC6D100_REG_IN(i)); |
| 1405 | } |
| 1406 | /* More alarm bits */ |
| 1407 | data->alarms |= |
| 1408 | lm85_read_value(client, EMC6D100_REG_ALARM3) << 16; |
| 1409 | } else if (data->type == emc6d102 ) { |
| 1410 | /* Have to read LSB bits after the MSB ones because |
| 1411 | the reading of the MSB bits has frozen the |
| 1412 | LSBs (backward from the ADM1027). |
| 1413 | */ |
| 1414 | int ext1 = lm85_read_value(client, |
| 1415 | EMC6D102_REG_EXTEND_ADC1); |
| 1416 | int ext2 = lm85_read_value(client, |
| 1417 | EMC6D102_REG_EXTEND_ADC2); |
| 1418 | int ext3 = lm85_read_value(client, |
| 1419 | EMC6D102_REG_EXTEND_ADC3); |
| 1420 | int ext4 = lm85_read_value(client, |
| 1421 | EMC6D102_REG_EXTEND_ADC4); |
| 1422 | data->in_ext[0] = ext3 & 0x0f; |
| 1423 | data->in_ext[1] = ext4 & 0x0f; |
| 1424 | data->in_ext[2] = (ext4 >> 4) & 0x0f; |
| 1425 | data->in_ext[3] = (ext3 >> 4) & 0x0f; |
| 1426 | data->in_ext[4] = (ext2 >> 4) & 0x0f; |
| 1427 | |
| 1428 | data->temp_ext[0] = ext1 & 0x0f; |
| 1429 | data->temp_ext[1] = ext2 & 0x0f; |
| 1430 | data->temp_ext[2] = (ext1 >> 4) & 0x0f; |
| 1431 | } |
| 1432 | |
| 1433 | data->last_reading = jiffies ; |
| 1434 | }; /* last_reading */ |
| 1435 | |
| 1436 | if ( !data->valid || |
| 1437 | time_after(jiffies, data->last_config + LM85_CONFIG_INTERVAL) ) { |
| 1438 | /* Things that don't change often */ |
| 1439 | dev_dbg(&client->dev, "Reading config values\n"); |
| 1440 | |
Jean Delvare | 9c516ef | 2005-11-26 20:07:54 +0100 | [diff] [blame] | 1441 | for (i = 0; i <= 3; ++i) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1442 | data->in_min[i] = |
| 1443 | lm85_read_value(client, LM85_REG_IN_MIN(i)); |
| 1444 | data->in_max[i] = |
| 1445 | lm85_read_value(client, LM85_REG_IN_MAX(i)); |
| 1446 | } |
| 1447 | |
Jean Delvare | 9c516ef | 2005-11-26 20:07:54 +0100 | [diff] [blame] | 1448 | if (!(data->type == adt7463 && (data->vid & 0x80))) { |
| 1449 | data->in_min[4] = lm85_read_value(client, |
| 1450 | LM85_REG_IN_MIN(4)); |
| 1451 | data->in_max[4] = lm85_read_value(client, |
| 1452 | LM85_REG_IN_MAX(4)); |
| 1453 | } |
| 1454 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1455 | if ( data->type == emc6d100 ) { |
| 1456 | for (i = 5; i <= 7; ++i) { |
| 1457 | data->in_min[i] = |
| 1458 | lm85_read_value(client, EMC6D100_REG_IN_MIN(i)); |
| 1459 | data->in_max[i] = |
| 1460 | lm85_read_value(client, EMC6D100_REG_IN_MAX(i)); |
| 1461 | } |
| 1462 | } |
| 1463 | |
| 1464 | for (i = 0; i <= 3; ++i) { |
| 1465 | data->fan_min[i] = |
| 1466 | lm85_read_value(client, LM85_REG_FAN_MIN(i)); |
| 1467 | } |
| 1468 | |
| 1469 | for (i = 0; i <= 2; ++i) { |
| 1470 | data->temp_min[i] = |
| 1471 | lm85_read_value(client, LM85_REG_TEMP_MIN(i)); |
| 1472 | data->temp_max[i] = |
| 1473 | lm85_read_value(client, LM85_REG_TEMP_MAX(i)); |
| 1474 | } |
| 1475 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1476 | for (i = 0; i <= 2; ++i) { |
| 1477 | int val ; |
| 1478 | data->autofan[i].config = |
| 1479 | lm85_read_value(client, LM85_REG_AFAN_CONFIG(i)); |
| 1480 | val = lm85_read_value(client, LM85_REG_AFAN_RANGE(i)); |
| 1481 | data->autofan[i].freq = val & 0x07 ; |
| 1482 | data->zone[i].range = (val >> 4) & 0x0f ; |
| 1483 | data->autofan[i].min_pwm = |
| 1484 | lm85_read_value(client, LM85_REG_AFAN_MINPWM(i)); |
| 1485 | data->zone[i].limit = |
| 1486 | lm85_read_value(client, LM85_REG_AFAN_LIMIT(i)); |
| 1487 | data->zone[i].critical = |
| 1488 | lm85_read_value(client, LM85_REG_AFAN_CRITICAL(i)); |
| 1489 | } |
| 1490 | |
| 1491 | i = lm85_read_value(client, LM85_REG_AFAN_SPIKE1); |
| 1492 | data->smooth[0] = i & 0x0f ; |
| 1493 | data->syncpwm3 = i & 0x10 ; /* Save PWM3 config */ |
| 1494 | data->autofan[0].min_off = (i & 0x20) != 0 ; |
| 1495 | data->autofan[1].min_off = (i & 0x40) != 0 ; |
| 1496 | data->autofan[2].min_off = (i & 0x80) != 0 ; |
| 1497 | i = lm85_read_value(client, LM85_REG_AFAN_SPIKE2); |
| 1498 | data->smooth[1] = (i>>4) & 0x0f ; |
| 1499 | data->smooth[2] = i & 0x0f ; |
| 1500 | |
| 1501 | i = lm85_read_value(client, LM85_REG_AFAN_HYST1); |
| 1502 | data->zone[0].hyst = (i>>4) & 0x0f ; |
| 1503 | data->zone[1].hyst = i & 0x0f ; |
| 1504 | |
| 1505 | i = lm85_read_value(client, LM85_REG_AFAN_HYST2); |
| 1506 | data->zone[2].hyst = (i>>4) & 0x0f ; |
| 1507 | |
| 1508 | if ( (data->type == lm85b) || (data->type == lm85c) ) { |
| 1509 | data->tach_mode = lm85_read_value(client, |
| 1510 | LM85_REG_TACH_MODE ); |
| 1511 | data->spinup_ctl = lm85_read_value(client, |
| 1512 | LM85_REG_SPINUP_CTL ); |
| 1513 | } else if ( (data->type == adt7463) || (data->type == adm1027) ) { |
| 1514 | if ( data->type == adt7463 ) { |
| 1515 | for (i = 0; i <= 2; ++i) { |
| 1516 | data->oppoint[i] = lm85_read_value(client, |
| 1517 | ADT7463_REG_OPPOINT(i) ); |
| 1518 | } |
| 1519 | data->tmin_ctl = lm85_read_value(client, |
| 1520 | ADT7463_REG_TMIN_CTL1 ); |
| 1521 | data->therm_limit = lm85_read_value(client, |
| 1522 | ADT7463_REG_THERM_LIMIT ); |
| 1523 | } |
| 1524 | for (i = 0; i <= 2; ++i) { |
| 1525 | data->temp_offset[i] = lm85_read_value(client, |
| 1526 | ADM1027_REG_TEMP_OFFSET(i) ); |
| 1527 | } |
| 1528 | data->tach_mode = lm85_read_value(client, |
| 1529 | ADM1027_REG_CONFIG3 ); |
| 1530 | data->fan_ppr = lm85_read_value(client, |
| 1531 | ADM1027_REG_FAN_PPR ); |
| 1532 | } |
| 1533 | |
| 1534 | data->last_config = jiffies; |
| 1535 | }; /* last_config */ |
| 1536 | |
| 1537 | data->valid = 1; |
| 1538 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 1539 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1540 | |
| 1541 | return data; |
| 1542 | } |
| 1543 | |
| 1544 | |
| 1545 | static int __init sm_lm85_init(void) |
| 1546 | { |
| 1547 | return i2c_add_driver(&lm85_driver); |
| 1548 | } |
| 1549 | |
| 1550 | static void __exit sm_lm85_exit(void) |
| 1551 | { |
| 1552 | i2c_del_driver(&lm85_driver); |
| 1553 | } |
| 1554 | |
| 1555 | /* Thanks to Richard Barrington for adding the LM85 to sensors-detect. |
| 1556 | * Thanks to Margit Schubert-While <margitsw@t-online.de> for help with |
| 1557 | * post 2.7.0 CVS changes. |
| 1558 | */ |
| 1559 | MODULE_LICENSE("GPL"); |
| 1560 | MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, Margit Schubert-While <margitsw@t-online.de>, Justin Thiessen <jthiessen@penguincomputing.com"); |
| 1561 | MODULE_DESCRIPTION("LM85-B, LM85-C driver"); |
| 1562 | |
| 1563 | module_init(sm_lm85_init); |
| 1564 | module_exit(sm_lm85_exit); |