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> |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 33 | #include <linux/err.h> |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 34 | #include <linux/mutex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | |
| 36 | /* Addresses to scan */ |
| 37 | static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | |
| 39 | /* Insmod parameters */ |
Jean Delvare | f4b5026 | 2005-07-31 21:49:03 +0200 | [diff] [blame] | 40 | I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | |
| 42 | /* The LM85 registers */ |
| 43 | |
| 44 | #define LM85_REG_IN(nr) (0x20 + (nr)) |
| 45 | #define LM85_REG_IN_MIN(nr) (0x44 + (nr) * 2) |
| 46 | #define LM85_REG_IN_MAX(nr) (0x45 + (nr) * 2) |
| 47 | |
| 48 | #define LM85_REG_TEMP(nr) (0x25 + (nr)) |
| 49 | #define LM85_REG_TEMP_MIN(nr) (0x4e + (nr) * 2) |
| 50 | #define LM85_REG_TEMP_MAX(nr) (0x4f + (nr) * 2) |
| 51 | |
| 52 | /* Fan speeds are LSB, MSB (2 bytes) */ |
| 53 | #define LM85_REG_FAN(nr) (0x28 + (nr) *2) |
| 54 | #define LM85_REG_FAN_MIN(nr) (0x54 + (nr) *2) |
| 55 | |
| 56 | #define LM85_REG_PWM(nr) (0x30 + (nr)) |
| 57 | |
| 58 | #define ADT7463_REG_OPPOINT(nr) (0x33 + (nr)) |
| 59 | |
| 60 | #define ADT7463_REG_TMIN_CTL1 0x36 |
| 61 | #define ADT7463_REG_TMIN_CTL2 0x37 |
| 62 | |
| 63 | #define LM85_REG_DEVICE 0x3d |
| 64 | #define LM85_REG_COMPANY 0x3e |
| 65 | #define LM85_REG_VERSTEP 0x3f |
| 66 | /* These are the recognized values for the above regs */ |
| 67 | #define LM85_DEVICE_ADX 0x27 |
| 68 | #define LM85_COMPANY_NATIONAL 0x01 |
| 69 | #define LM85_COMPANY_ANALOG_DEV 0x41 |
| 70 | #define LM85_COMPANY_SMSC 0x5c |
| 71 | #define LM85_VERSTEP_VMASK 0xf0 |
| 72 | #define LM85_VERSTEP_GENERIC 0x60 |
| 73 | #define LM85_VERSTEP_LM85C 0x60 |
| 74 | #define LM85_VERSTEP_LM85B 0x62 |
| 75 | #define LM85_VERSTEP_ADM1027 0x60 |
| 76 | #define LM85_VERSTEP_ADT7463 0x62 |
| 77 | #define LM85_VERSTEP_ADT7463C 0x6A |
| 78 | #define LM85_VERSTEP_EMC6D100_A0 0x60 |
| 79 | #define LM85_VERSTEP_EMC6D100_A1 0x61 |
| 80 | #define LM85_VERSTEP_EMC6D102 0x65 |
| 81 | |
| 82 | #define LM85_REG_CONFIG 0x40 |
| 83 | |
| 84 | #define LM85_REG_ALARM1 0x41 |
| 85 | #define LM85_REG_ALARM2 0x42 |
| 86 | |
| 87 | #define LM85_REG_VID 0x43 |
| 88 | |
| 89 | /* Automated FAN control */ |
| 90 | #define LM85_REG_AFAN_CONFIG(nr) (0x5c + (nr)) |
| 91 | #define LM85_REG_AFAN_RANGE(nr) (0x5f + (nr)) |
| 92 | #define LM85_REG_AFAN_SPIKE1 0x62 |
| 93 | #define LM85_REG_AFAN_SPIKE2 0x63 |
| 94 | #define LM85_REG_AFAN_MINPWM(nr) (0x64 + (nr)) |
| 95 | #define LM85_REG_AFAN_LIMIT(nr) (0x67 + (nr)) |
| 96 | #define LM85_REG_AFAN_CRITICAL(nr) (0x6a + (nr)) |
| 97 | #define LM85_REG_AFAN_HYST1 0x6d |
| 98 | #define LM85_REG_AFAN_HYST2 0x6e |
| 99 | |
| 100 | #define LM85_REG_TACH_MODE 0x74 |
| 101 | #define LM85_REG_SPINUP_CTL 0x75 |
| 102 | |
| 103 | #define ADM1027_REG_TEMP_OFFSET(nr) (0x70 + (nr)) |
| 104 | #define ADM1027_REG_CONFIG2 0x73 |
| 105 | #define ADM1027_REG_INTMASK1 0x74 |
| 106 | #define ADM1027_REG_INTMASK2 0x75 |
| 107 | #define ADM1027_REG_EXTEND_ADC1 0x76 |
| 108 | #define ADM1027_REG_EXTEND_ADC2 0x77 |
| 109 | #define ADM1027_REG_CONFIG3 0x78 |
| 110 | #define ADM1027_REG_FAN_PPR 0x7b |
| 111 | |
| 112 | #define ADT7463_REG_THERM 0x79 |
| 113 | #define ADT7463_REG_THERM_LIMIT 0x7A |
| 114 | |
| 115 | #define EMC6D100_REG_ALARM3 0x7d |
| 116 | /* IN5, IN6 and IN7 */ |
| 117 | #define EMC6D100_REG_IN(nr) (0x70 + ((nr)-5)) |
| 118 | #define EMC6D100_REG_IN_MIN(nr) (0x73 + ((nr)-5) * 2) |
| 119 | #define EMC6D100_REG_IN_MAX(nr) (0x74 + ((nr)-5) * 2) |
| 120 | #define EMC6D102_REG_EXTEND_ADC1 0x85 |
| 121 | #define EMC6D102_REG_EXTEND_ADC2 0x86 |
| 122 | #define EMC6D102_REG_EXTEND_ADC3 0x87 |
| 123 | #define EMC6D102_REG_EXTEND_ADC4 0x88 |
| 124 | |
| 125 | #define LM85_ALARM_IN0 0x0001 |
| 126 | #define LM85_ALARM_IN1 0x0002 |
| 127 | #define LM85_ALARM_IN2 0x0004 |
| 128 | #define LM85_ALARM_IN3 0x0008 |
| 129 | #define LM85_ALARM_TEMP1 0x0010 |
| 130 | #define LM85_ALARM_TEMP2 0x0020 |
| 131 | #define LM85_ALARM_TEMP3 0x0040 |
| 132 | #define LM85_ALARM_ALARM2 0x0080 |
| 133 | #define LM85_ALARM_IN4 0x0100 |
| 134 | #define LM85_ALARM_RESERVED 0x0200 |
| 135 | #define LM85_ALARM_FAN1 0x0400 |
| 136 | #define LM85_ALARM_FAN2 0x0800 |
| 137 | #define LM85_ALARM_FAN3 0x1000 |
| 138 | #define LM85_ALARM_FAN4 0x2000 |
| 139 | #define LM85_ALARM_TEMP1_FAULT 0x4000 |
| 140 | #define LM85_ALARM_TEMP3_FAULT 0x8000 |
| 141 | |
| 142 | |
| 143 | /* Conversions. Rounding and limit checking is only done on the TO_REG |
| 144 | variants. Note that you should be a bit careful with which arguments |
| 145 | these macros are called: arguments may be evaluated more than once. |
| 146 | */ |
| 147 | |
| 148 | /* IN are scaled acording to built-in resistors */ |
| 149 | static int lm85_scaling[] = { /* .001 Volts */ |
| 150 | 2500, 2250, 3300, 5000, 12000, |
| 151 | 3300, 1500, 1800 /*EMC6D100*/ |
| 152 | }; |
| 153 | #define SCALE(val,from,to) (((val)*(to) + ((from)/2))/(from)) |
| 154 | |
| 155 | #define INS_TO_REG(n,val) \ |
| 156 | SENSORS_LIMIT(SCALE(val,lm85_scaling[n],192),0,255) |
| 157 | |
| 158 | #define INSEXT_FROM_REG(n,val,ext,scale) \ |
| 159 | SCALE((val)*(scale) + (ext),192*(scale),lm85_scaling[n]) |
| 160 | |
| 161 | #define INS_FROM_REG(n,val) INSEXT_FROM_REG(n,val,0,1) |
| 162 | |
| 163 | /* FAN speed is measured using 90kHz clock */ |
| 164 | #define FAN_TO_REG(val) (SENSORS_LIMIT( (val)<=0?0: 5400000/(val),0,65534)) |
| 165 | #define FAN_FROM_REG(val) ((val)==0?-1:(val)==0xffff?0:5400000/(val)) |
| 166 | |
| 167 | /* Temperature is reported in .001 degC increments */ |
| 168 | #define TEMP_TO_REG(val) \ |
| 169 | SENSORS_LIMIT(SCALE(val,1000,1),-127,127) |
| 170 | #define TEMPEXT_FROM_REG(val,ext,scale) \ |
| 171 | SCALE((val)*scale + (ext),scale,1000) |
| 172 | #define TEMP_FROM_REG(val) \ |
| 173 | TEMPEXT_FROM_REG(val,0,1) |
| 174 | |
| 175 | #define PWM_TO_REG(val) (SENSORS_LIMIT(val,0,255)) |
| 176 | #define PWM_FROM_REG(val) (val) |
| 177 | |
| 178 | |
| 179 | /* ZONEs have the following parameters: |
| 180 | * Limit (low) temp, 1. degC |
| 181 | * Hysteresis (below limit), 1. degC (0-15) |
| 182 | * Range of speed control, .1 degC (2-80) |
| 183 | * Critical (high) temp, 1. degC |
| 184 | * |
| 185 | * FAN PWMs have the following parameters: |
| 186 | * Reference Zone, 1, 2, 3, etc. |
| 187 | * Spinup time, .05 sec |
| 188 | * PWM value at limit/low temp, 1 count |
| 189 | * PWM Frequency, 1. Hz |
| 190 | * PWM is Min or OFF below limit, flag |
| 191 | * Invert PWM output, flag |
| 192 | * |
| 193 | * Some chips filter the temp, others the fan. |
| 194 | * Filter constant (or disabled) .1 seconds |
| 195 | */ |
| 196 | |
| 197 | /* These are the zone temperature range encodings in .001 degree C */ |
| 198 | static int lm85_range_map[] = { |
| 199 | 2000, 2500, 3300, 4000, 5000, 6600, |
| 200 | 8000, 10000, 13300, 16000, 20000, 26600, |
| 201 | 32000, 40000, 53300, 80000 |
| 202 | }; |
| 203 | static int RANGE_TO_REG( int range ) |
| 204 | { |
| 205 | int i; |
| 206 | |
| 207 | if ( range < lm85_range_map[0] ) { |
| 208 | return 0 ; |
| 209 | } else if ( range > lm85_range_map[15] ) { |
| 210 | return 15 ; |
| 211 | } else { /* find closest match */ |
| 212 | for ( i = 14 ; i >= 0 ; --i ) { |
| 213 | if ( range > lm85_range_map[i] ) { /* range bracketed */ |
| 214 | if ((lm85_range_map[i+1] - range) < |
| 215 | (range - lm85_range_map[i])) { |
| 216 | i++; |
| 217 | break; |
| 218 | } |
| 219 | break; |
| 220 | } |
| 221 | } |
| 222 | } |
| 223 | return( i & 0x0f ); |
| 224 | } |
| 225 | #define RANGE_FROM_REG(val) (lm85_range_map[(val)&0x0f]) |
| 226 | |
| 227 | /* These are the Acoustic Enhancement, or Temperature smoothing encodings |
| 228 | * NOTE: The enable/disable bit is INCLUDED in these encodings as the |
| 229 | * MSB (bit 3, value 8). If the enable bit is 0, the encoded value |
| 230 | * is ignored, or set to 0. |
| 231 | */ |
| 232 | /* These are the PWM frequency encodings */ |
| 233 | static int lm85_freq_map[] = { /* .1 Hz */ |
| 234 | 100, 150, 230, 300, 380, 470, 620, 940 |
| 235 | }; |
| 236 | static int FREQ_TO_REG( int freq ) |
| 237 | { |
| 238 | int i; |
| 239 | |
| 240 | if( freq >= lm85_freq_map[7] ) { return 7 ; } |
| 241 | for( i = 0 ; i < 7 ; ++i ) |
| 242 | if( freq <= lm85_freq_map[i] ) |
| 243 | break ; |
| 244 | return( i & 0x07 ); |
| 245 | } |
| 246 | #define FREQ_FROM_REG(val) (lm85_freq_map[(val)&0x07]) |
| 247 | |
| 248 | /* Since we can't use strings, I'm abusing these numbers |
| 249 | * to stand in for the following meanings: |
| 250 | * 1 -- PWM responds to Zone 1 |
| 251 | * 2 -- PWM responds to Zone 2 |
| 252 | * 3 -- PWM responds to Zone 3 |
| 253 | * 23 -- PWM responds to the higher temp of Zone 2 or 3 |
| 254 | * 123 -- PWM responds to highest of Zone 1, 2, or 3 |
| 255 | * 0 -- PWM is always at 0% (ie, off) |
| 256 | * -1 -- PWM is always at 100% |
| 257 | * -2 -- PWM responds to manual control |
| 258 | */ |
| 259 | |
| 260 | static int lm85_zone_map[] = { 1, 2, 3, -1, 0, 23, 123, -2 }; |
| 261 | #define ZONE_FROM_REG(val) (lm85_zone_map[((val)>>5)&0x07]) |
| 262 | |
| 263 | static int ZONE_TO_REG( int zone ) |
| 264 | { |
| 265 | int i; |
| 266 | |
| 267 | for( i = 0 ; i <= 7 ; ++i ) |
| 268 | if( zone == lm85_zone_map[i] ) |
| 269 | break ; |
| 270 | if( i > 7 ) /* Not found. */ |
| 271 | i = 3; /* Always 100% */ |
| 272 | return( (i & 0x07)<<5 ); |
| 273 | } |
| 274 | |
| 275 | #define HYST_TO_REG(val) (SENSORS_LIMIT(((val)+500)/1000,0,15)) |
| 276 | #define HYST_FROM_REG(val) ((val)*1000) |
| 277 | |
| 278 | #define OFFSET_TO_REG(val) (SENSORS_LIMIT((val)/25,-127,127)) |
| 279 | #define OFFSET_FROM_REG(val) ((val)*25) |
| 280 | |
| 281 | #define PPR_MASK(fan) (0x03<<(fan *2)) |
| 282 | #define PPR_TO_REG(val,fan) (SENSORS_LIMIT((val)-1,0,3)<<(fan *2)) |
| 283 | #define PPR_FROM_REG(val,fan) ((((val)>>(fan * 2))&0x03)+1) |
| 284 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 285 | /* Chip sampling rates |
| 286 | * |
| 287 | * Some sensors are not updated more frequently than once per second |
| 288 | * so it doesn't make sense to read them more often than that. |
| 289 | * We cache the results and return the saved data if the driver |
| 290 | * is called again before a second has elapsed. |
| 291 | * |
| 292 | * Also, there is significant configuration data for this chip |
| 293 | * given the automatic PWM fan control that is possible. There |
| 294 | * are about 47 bytes of config data to only 22 bytes of actual |
| 295 | * readings. So, we keep the config data up to date in the cache |
| 296 | * when it is written and only sample it once every 1 *minute* |
| 297 | */ |
| 298 | #define LM85_DATA_INTERVAL (HZ + HZ / 2) |
| 299 | #define LM85_CONFIG_INTERVAL (1 * 60 * HZ) |
| 300 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | /* LM85 can automatically adjust fan speeds based on temperature |
| 302 | * This structure encapsulates an entire Zone config. There are |
| 303 | * three zones (one for each temperature input) on the lm85 |
| 304 | */ |
| 305 | struct lm85_zone { |
| 306 | s8 limit; /* Low temp limit */ |
| 307 | u8 hyst; /* Low limit hysteresis. (0-15) */ |
| 308 | u8 range; /* Temp range, encoded */ |
| 309 | s8 critical; /* "All fans ON" temp limit */ |
| 310 | u8 off_desired; /* Actual "off" temperature specified. Preserved |
| 311 | * to prevent "drift" as other autofan control |
| 312 | * values change. |
| 313 | */ |
| 314 | u8 max_desired; /* Actual "max" temperature specified. Preserved |
| 315 | * to prevent "drift" as other autofan control |
| 316 | * values change. |
| 317 | */ |
| 318 | }; |
| 319 | |
| 320 | struct lm85_autofan { |
| 321 | u8 config; /* Register value */ |
| 322 | u8 freq; /* PWM frequency, encoded */ |
| 323 | u8 min_pwm; /* Minimum PWM value, encoded */ |
| 324 | u8 min_off; /* Min PWM or OFF below "limit", flag */ |
| 325 | }; |
| 326 | |
Jean Delvare | ed6bafb | 2007-02-14 21:15:03 +0100 | [diff] [blame^] | 327 | /* For each registered chip, we need to keep some data in memory. |
| 328 | The structure is dynamically allocated. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 329 | struct lm85_data { |
| 330 | struct i2c_client client; |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 331 | struct class_device *class_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 332 | enum chips type; |
| 333 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 334 | struct mutex update_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 335 | int valid; /* !=0 if following fields are valid */ |
| 336 | unsigned long last_reading; /* In jiffies */ |
| 337 | unsigned long last_config; /* In jiffies */ |
| 338 | |
| 339 | u8 in[8]; /* Register value */ |
| 340 | u8 in_max[8]; /* Register value */ |
| 341 | u8 in_min[8]; /* Register value */ |
| 342 | s8 temp[3]; /* Register value */ |
| 343 | s8 temp_min[3]; /* Register value */ |
| 344 | s8 temp_max[3]; /* Register value */ |
| 345 | s8 temp_offset[3]; /* Register value */ |
| 346 | u16 fan[4]; /* Register value */ |
| 347 | u16 fan_min[4]; /* Register value */ |
| 348 | u8 pwm[3]; /* Register value */ |
| 349 | u8 spinup_ctl; /* Register encoding, combined */ |
| 350 | u8 tach_mode; /* Register encoding, combined */ |
| 351 | u8 temp_ext[3]; /* Decoded values */ |
| 352 | u8 in_ext[8]; /* Decoded values */ |
| 353 | u8 adc_scale; /* ADC Extended bits scaling factor */ |
| 354 | u8 fan_ppr; /* Register value */ |
| 355 | u8 smooth[3]; /* Register encoding */ |
| 356 | u8 vid; /* Register value */ |
| 357 | u8 vrm; /* VRM version */ |
| 358 | u8 syncpwm3; /* Saved PWM3 for TACH 2,3,4 config */ |
| 359 | u8 oppoint[3]; /* Register value */ |
| 360 | u16 tmin_ctl; /* Register value */ |
| 361 | unsigned long therm_total; /* Cummulative therm count */ |
| 362 | u8 therm_limit; /* Register value */ |
| 363 | u32 alarms; /* Register encoding, combined */ |
| 364 | struct lm85_autofan autofan[3]; |
| 365 | struct lm85_zone zone[3]; |
| 366 | }; |
| 367 | |
| 368 | static int lm85_attach_adapter(struct i2c_adapter *adapter); |
| 369 | static int lm85_detect(struct i2c_adapter *adapter, int address, |
| 370 | int kind); |
| 371 | static int lm85_detach_client(struct i2c_client *client); |
| 372 | |
Darren Jenkins | f6c27fc | 2006-02-27 23:14:58 +0100 | [diff] [blame] | 373 | static int lm85_read_value(struct i2c_client *client, u8 reg); |
| 374 | 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] | 375 | static struct lm85_data *lm85_update_device(struct device *dev); |
| 376 | static void lm85_init_client(struct i2c_client *client); |
| 377 | |
| 378 | |
| 379 | static struct i2c_driver lm85_driver = { |
Laurent Riffard | cdaf793 | 2005-11-26 20:37:41 +0100 | [diff] [blame] | 380 | .driver = { |
Laurent Riffard | cdaf793 | 2005-11-26 20:37:41 +0100 | [diff] [blame] | 381 | .name = "lm85", |
| 382 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 383 | .id = I2C_DRIVERID_LM85, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 384 | .attach_adapter = lm85_attach_adapter, |
| 385 | .detach_client = lm85_detach_client, |
| 386 | }; |
| 387 | |
| 388 | |
| 389 | /* 4 Fans */ |
| 390 | static ssize_t show_fan(struct device *dev, char *buf, int nr) |
| 391 | { |
| 392 | struct lm85_data *data = lm85_update_device(dev); |
| 393 | return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr]) ); |
| 394 | } |
| 395 | static ssize_t show_fan_min(struct device *dev, char *buf, int nr) |
| 396 | { |
| 397 | struct lm85_data *data = lm85_update_device(dev); |
| 398 | return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr]) ); |
| 399 | } |
| 400 | static ssize_t set_fan_min(struct device *dev, const char *buf, |
| 401 | size_t count, int nr) |
| 402 | { |
| 403 | struct i2c_client *client = to_i2c_client(dev); |
| 404 | struct lm85_data *data = i2c_get_clientdata(client); |
| 405 | long val = simple_strtol(buf, NULL, 10); |
| 406 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 407 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 408 | data->fan_min[nr] = FAN_TO_REG(val); |
| 409 | 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] | 410 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | return count; |
| 412 | } |
| 413 | |
| 414 | #define show_fan_offset(offset) \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 415 | static ssize_t show_fan_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 416 | { \ |
| 417 | return show_fan(dev, buf, offset - 1); \ |
| 418 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 419 | static ssize_t show_fan_##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 420 | { \ |
| 421 | return show_fan_min(dev, buf, offset - 1); \ |
| 422 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 423 | static ssize_t set_fan_##offset##_min (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 424 | const char *buf, size_t count) \ |
| 425 | { \ |
| 426 | return set_fan_min(dev, buf, count, offset - 1); \ |
| 427 | } \ |
| 428 | static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan_##offset, \ |
| 429 | NULL); \ |
| 430 | static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ |
| 431 | show_fan_##offset##_min, set_fan_##offset##_min); |
| 432 | |
| 433 | show_fan_offset(1); |
| 434 | show_fan_offset(2); |
| 435 | show_fan_offset(3); |
| 436 | show_fan_offset(4); |
| 437 | |
| 438 | /* vid, vrm, alarms */ |
| 439 | |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 440 | 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] | 441 | { |
| 442 | struct lm85_data *data = lm85_update_device(dev); |
Jean Delvare | 9c516ef | 2005-11-26 20:07:54 +0100 | [diff] [blame] | 443 | int vid; |
| 444 | |
| 445 | if (data->type == adt7463 && (data->vid & 0x80)) { |
| 446 | /* 6-pin VID (VRM 10) */ |
| 447 | vid = vid_from_reg(data->vid & 0x3f, data->vrm); |
| 448 | } else { |
| 449 | /* 5-pin VID (VRM 9) */ |
| 450 | vid = vid_from_reg(data->vid & 0x1f, data->vrm); |
| 451 | } |
| 452 | |
| 453 | return sprintf(buf, "%d\n", vid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 454 | } |
| 455 | |
| 456 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); |
| 457 | |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 458 | 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] | 459 | { |
| 460 | struct lm85_data *data = lm85_update_device(dev); |
| 461 | return sprintf(buf, "%ld\n", (long) data->vrm); |
| 462 | } |
| 463 | |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 464 | 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] | 465 | { |
| 466 | struct i2c_client *client = to_i2c_client(dev); |
| 467 | struct lm85_data *data = i2c_get_clientdata(client); |
| 468 | u32 val; |
| 469 | |
| 470 | val = simple_strtoul(buf, NULL, 10); |
| 471 | data->vrm = val; |
| 472 | return count; |
| 473 | } |
| 474 | |
| 475 | static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); |
| 476 | |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 477 | 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] | 478 | { |
| 479 | struct lm85_data *data = lm85_update_device(dev); |
Jean Delvare | 68188ba | 2005-05-16 18:52:38 +0200 | [diff] [blame] | 480 | return sprintf(buf, "%u\n", data->alarms); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 481 | } |
| 482 | |
| 483 | static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); |
| 484 | |
| 485 | /* pwm */ |
| 486 | |
| 487 | static ssize_t show_pwm(struct device *dev, char *buf, int nr) |
| 488 | { |
| 489 | struct lm85_data *data = lm85_update_device(dev); |
| 490 | return sprintf(buf,"%d\n", PWM_FROM_REG(data->pwm[nr]) ); |
| 491 | } |
| 492 | static ssize_t set_pwm(struct device *dev, const char *buf, |
| 493 | size_t count, int nr) |
| 494 | { |
| 495 | struct i2c_client *client = to_i2c_client(dev); |
| 496 | struct lm85_data *data = i2c_get_clientdata(client); |
| 497 | long val = simple_strtol(buf, NULL, 10); |
| 498 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 499 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 500 | data->pwm[nr] = PWM_TO_REG(val); |
| 501 | lm85_write_value(client, LM85_REG_PWM(nr), data->pwm[nr]); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 502 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 503 | return count; |
| 504 | } |
| 505 | static ssize_t show_pwm_enable(struct device *dev, char *buf, int nr) |
| 506 | { |
| 507 | struct lm85_data *data = lm85_update_device(dev); |
| 508 | int pwm_zone; |
| 509 | |
| 510 | pwm_zone = ZONE_FROM_REG(data->autofan[nr].config); |
| 511 | return sprintf(buf,"%d\n", (pwm_zone != 0 && pwm_zone != -1) ); |
| 512 | } |
| 513 | |
| 514 | #define show_pwm_reg(offset) \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 515 | static ssize_t show_pwm_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 516 | { \ |
| 517 | return show_pwm(dev, buf, offset - 1); \ |
| 518 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 519 | static ssize_t set_pwm_##offset (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 520 | const char *buf, size_t count) \ |
| 521 | { \ |
| 522 | return set_pwm(dev, buf, count, offset - 1); \ |
| 523 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 524 | static ssize_t show_pwm_enable##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 525 | { \ |
| 526 | return show_pwm_enable(dev, buf, offset - 1); \ |
| 527 | } \ |
| 528 | static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ |
| 529 | show_pwm_##offset, set_pwm_##offset); \ |
| 530 | static DEVICE_ATTR(pwm##offset##_enable, S_IRUGO, \ |
| 531 | show_pwm_enable##offset, NULL); |
| 532 | |
| 533 | show_pwm_reg(1); |
| 534 | show_pwm_reg(2); |
| 535 | show_pwm_reg(3); |
| 536 | |
| 537 | /* Voltages */ |
| 538 | |
| 539 | static ssize_t show_in(struct device *dev, char *buf, int nr) |
| 540 | { |
| 541 | struct lm85_data *data = lm85_update_device(dev); |
| 542 | return sprintf( buf, "%d\n", INSEXT_FROM_REG(nr, |
| 543 | data->in[nr], |
| 544 | data->in_ext[nr], |
| 545 | data->adc_scale) ); |
| 546 | } |
| 547 | static ssize_t show_in_min(struct device *dev, char *buf, int nr) |
| 548 | { |
| 549 | struct lm85_data *data = lm85_update_device(dev); |
| 550 | return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_min[nr]) ); |
| 551 | } |
| 552 | static ssize_t set_in_min(struct device *dev, const char *buf, |
| 553 | size_t count, int nr) |
| 554 | { |
| 555 | struct i2c_client *client = to_i2c_client(dev); |
| 556 | struct lm85_data *data = i2c_get_clientdata(client); |
| 557 | long val = simple_strtol(buf, NULL, 10); |
| 558 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 559 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 560 | data->in_min[nr] = INS_TO_REG(nr, val); |
| 561 | 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] | 562 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 563 | return count; |
| 564 | } |
| 565 | static ssize_t show_in_max(struct device *dev, char *buf, int nr) |
| 566 | { |
| 567 | struct lm85_data *data = lm85_update_device(dev); |
| 568 | return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_max[nr]) ); |
| 569 | } |
| 570 | static ssize_t set_in_max(struct device *dev, const char *buf, |
| 571 | size_t count, int nr) |
| 572 | { |
| 573 | struct i2c_client *client = to_i2c_client(dev); |
| 574 | struct lm85_data *data = i2c_get_clientdata(client); |
| 575 | long val = simple_strtol(buf, NULL, 10); |
| 576 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 577 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 578 | data->in_max[nr] = INS_TO_REG(nr, val); |
| 579 | 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] | 580 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 581 | return count; |
| 582 | } |
| 583 | #define show_in_reg(offset) \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 584 | static ssize_t show_in_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 585 | { \ |
| 586 | return show_in(dev, buf, offset); \ |
| 587 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 588 | static ssize_t show_in_##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 589 | { \ |
| 590 | return show_in_min(dev, buf, offset); \ |
| 591 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 592 | static ssize_t show_in_##offset##_max (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 593 | { \ |
| 594 | return show_in_max(dev, buf, offset); \ |
| 595 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 596 | static ssize_t set_in_##offset##_min (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 597 | const char *buf, size_t count) \ |
| 598 | { \ |
| 599 | return set_in_min(dev, buf, count, offset); \ |
| 600 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 601 | static ssize_t set_in_##offset##_max (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 602 | const char *buf, size_t count) \ |
| 603 | { \ |
| 604 | return set_in_max(dev, buf, count, offset); \ |
| 605 | } \ |
| 606 | static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in_##offset, \ |
| 607 | NULL); \ |
| 608 | static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ |
| 609 | show_in_##offset##_min, set_in_##offset##_min); \ |
| 610 | static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ |
| 611 | show_in_##offset##_max, set_in_##offset##_max); |
| 612 | |
| 613 | show_in_reg(0); |
| 614 | show_in_reg(1); |
| 615 | show_in_reg(2); |
| 616 | show_in_reg(3); |
| 617 | show_in_reg(4); |
| 618 | |
| 619 | /* Temps */ |
| 620 | |
| 621 | static ssize_t show_temp(struct device *dev, char *buf, int nr) |
| 622 | { |
| 623 | struct lm85_data *data = lm85_update_device(dev); |
| 624 | return sprintf(buf,"%d\n", TEMPEXT_FROM_REG(data->temp[nr], |
| 625 | data->temp_ext[nr], |
| 626 | data->adc_scale) ); |
| 627 | } |
| 628 | static ssize_t show_temp_min(struct device *dev, char *buf, int nr) |
| 629 | { |
| 630 | struct lm85_data *data = lm85_update_device(dev); |
| 631 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_min[nr]) ); |
| 632 | } |
| 633 | static ssize_t set_temp_min(struct device *dev, const char *buf, |
| 634 | size_t count, int nr) |
| 635 | { |
| 636 | struct i2c_client *client = to_i2c_client(dev); |
| 637 | struct lm85_data *data = i2c_get_clientdata(client); |
| 638 | long val = simple_strtol(buf, NULL, 10); |
| 639 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 640 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 641 | data->temp_min[nr] = TEMP_TO_REG(val); |
| 642 | 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] | 643 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 644 | return count; |
| 645 | } |
| 646 | static ssize_t show_temp_max(struct device *dev, char *buf, int nr) |
| 647 | { |
| 648 | struct lm85_data *data = lm85_update_device(dev); |
| 649 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_max[nr]) ); |
| 650 | } |
| 651 | static ssize_t set_temp_max(struct device *dev, const char *buf, |
| 652 | size_t count, int nr) |
| 653 | { |
| 654 | struct i2c_client *client = to_i2c_client(dev); |
| 655 | struct lm85_data *data = i2c_get_clientdata(client); |
| 656 | long val = simple_strtol(buf, NULL, 10); |
| 657 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 658 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 659 | data->temp_max[nr] = TEMP_TO_REG(val); |
| 660 | 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] | 661 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 662 | return count; |
| 663 | } |
| 664 | #define show_temp_reg(offset) \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 665 | static ssize_t show_temp_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 666 | { \ |
| 667 | return show_temp(dev, buf, offset - 1); \ |
| 668 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 669 | static ssize_t show_temp_##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 670 | { \ |
| 671 | return show_temp_min(dev, buf, offset - 1); \ |
| 672 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 673 | static ssize_t show_temp_##offset##_max (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 674 | { \ |
| 675 | return show_temp_max(dev, buf, offset - 1); \ |
| 676 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 677 | static ssize_t set_temp_##offset##_min (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 678 | const char *buf, size_t count) \ |
| 679 | { \ |
| 680 | return set_temp_min(dev, buf, count, offset - 1); \ |
| 681 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 682 | static ssize_t set_temp_##offset##_max (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 683 | const char *buf, size_t count) \ |
| 684 | { \ |
| 685 | return set_temp_max(dev, buf, count, offset - 1); \ |
| 686 | } \ |
| 687 | static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp_##offset, \ |
| 688 | NULL); \ |
| 689 | static DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \ |
| 690 | show_temp_##offset##_min, set_temp_##offset##_min); \ |
| 691 | static DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ |
| 692 | show_temp_##offset##_max, set_temp_##offset##_max); |
| 693 | |
| 694 | show_temp_reg(1); |
| 695 | show_temp_reg(2); |
| 696 | show_temp_reg(3); |
| 697 | |
| 698 | |
| 699 | /* Automatic PWM control */ |
| 700 | |
| 701 | static ssize_t show_pwm_auto_channels(struct device *dev, char *buf, int nr) |
| 702 | { |
| 703 | struct lm85_data *data = lm85_update_device(dev); |
| 704 | return sprintf(buf,"%d\n", ZONE_FROM_REG(data->autofan[nr].config)); |
| 705 | } |
| 706 | static ssize_t set_pwm_auto_channels(struct device *dev, const char *buf, |
| 707 | size_t count, int nr) |
| 708 | { |
| 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].config = (data->autofan[nr].config & (~0xe0)) |
| 715 | | ZONE_TO_REG(val) ; |
| 716 | lm85_write_value(client, LM85_REG_AFAN_CONFIG(nr), |
| 717 | data->autofan[nr].config); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 718 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 719 | return count; |
| 720 | } |
| 721 | static ssize_t show_pwm_auto_pwm_min(struct device *dev, char *buf, int nr) |
| 722 | { |
| 723 | struct lm85_data *data = lm85_update_device(dev); |
| 724 | return sprintf(buf,"%d\n", PWM_FROM_REG(data->autofan[nr].min_pwm)); |
| 725 | } |
| 726 | static ssize_t set_pwm_auto_pwm_min(struct device *dev, const char *buf, |
| 727 | size_t count, int nr) |
| 728 | { |
| 729 | struct i2c_client *client = to_i2c_client(dev); |
| 730 | struct lm85_data *data = i2c_get_clientdata(client); |
| 731 | long val = simple_strtol(buf, NULL, 10); |
| 732 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 733 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 734 | data->autofan[nr].min_pwm = PWM_TO_REG(val); |
| 735 | lm85_write_value(client, LM85_REG_AFAN_MINPWM(nr), |
| 736 | data->autofan[nr].min_pwm); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 737 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 738 | return count; |
| 739 | } |
| 740 | static ssize_t show_pwm_auto_pwm_minctl(struct device *dev, char *buf, int nr) |
| 741 | { |
| 742 | struct lm85_data *data = lm85_update_device(dev); |
| 743 | return sprintf(buf,"%d\n", data->autofan[nr].min_off); |
| 744 | } |
| 745 | static ssize_t set_pwm_auto_pwm_minctl(struct device *dev, const char *buf, |
| 746 | size_t count, int nr) |
| 747 | { |
| 748 | struct i2c_client *client = to_i2c_client(dev); |
| 749 | struct lm85_data *data = i2c_get_clientdata(client); |
| 750 | long val = simple_strtol(buf, NULL, 10); |
| 751 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 752 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 753 | data->autofan[nr].min_off = val; |
| 754 | lm85_write_value(client, LM85_REG_AFAN_SPIKE1, data->smooth[0] |
| 755 | | data->syncpwm3 |
| 756 | | (data->autofan[0].min_off ? 0x20 : 0) |
| 757 | | (data->autofan[1].min_off ? 0x40 : 0) |
| 758 | | (data->autofan[2].min_off ? 0x80 : 0) |
| 759 | ); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 760 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 761 | return count; |
| 762 | } |
| 763 | static ssize_t show_pwm_auto_pwm_freq(struct device *dev, char *buf, int nr) |
| 764 | { |
| 765 | struct lm85_data *data = lm85_update_device(dev); |
| 766 | return sprintf(buf,"%d\n", FREQ_FROM_REG(data->autofan[nr].freq)); |
| 767 | } |
| 768 | static ssize_t set_pwm_auto_pwm_freq(struct device *dev, const char *buf, |
| 769 | size_t count, int nr) |
| 770 | { |
| 771 | struct i2c_client *client = to_i2c_client(dev); |
| 772 | struct lm85_data *data = i2c_get_clientdata(client); |
| 773 | long val = simple_strtol(buf, NULL, 10); |
| 774 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 775 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 776 | data->autofan[nr].freq = FREQ_TO_REG(val); |
| 777 | lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), |
| 778 | (data->zone[nr].range << 4) |
| 779 | | data->autofan[nr].freq |
| 780 | ); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 781 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 782 | return count; |
| 783 | } |
| 784 | #define pwm_auto(offset) \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 785 | static ssize_t show_pwm##offset##_auto_channels (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 786 | char *buf) \ |
| 787 | { \ |
| 788 | return show_pwm_auto_channels(dev, buf, offset - 1); \ |
| 789 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 790 | static ssize_t set_pwm##offset##_auto_channels (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 791 | const char *buf, size_t count) \ |
| 792 | { \ |
| 793 | return set_pwm_auto_channels(dev, buf, count, offset - 1); \ |
| 794 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 795 | static ssize_t show_pwm##offset##_auto_pwm_min (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 796 | char *buf) \ |
| 797 | { \ |
| 798 | return show_pwm_auto_pwm_min(dev, buf, offset - 1); \ |
| 799 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 800 | static ssize_t set_pwm##offset##_auto_pwm_min (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 801 | const char *buf, size_t count) \ |
| 802 | { \ |
| 803 | return set_pwm_auto_pwm_min(dev, buf, count, offset - 1); \ |
| 804 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 805 | static ssize_t show_pwm##offset##_auto_pwm_minctl (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 806 | char *buf) \ |
| 807 | { \ |
| 808 | return show_pwm_auto_pwm_minctl(dev, buf, offset - 1); \ |
| 809 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 810 | static ssize_t set_pwm##offset##_auto_pwm_minctl (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 811 | const char *buf, size_t count) \ |
| 812 | { \ |
| 813 | return set_pwm_auto_pwm_minctl(dev, buf, count, offset - 1); \ |
| 814 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 815 | static ssize_t show_pwm##offset##_auto_pwm_freq (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 816 | char *buf) \ |
| 817 | { \ |
| 818 | return show_pwm_auto_pwm_freq(dev, buf, offset - 1); \ |
| 819 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 820 | static ssize_t set_pwm##offset##_auto_pwm_freq(struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 821 | const char *buf, size_t count) \ |
| 822 | { \ |
| 823 | return set_pwm_auto_pwm_freq(dev, buf, count, offset - 1); \ |
| 824 | } \ |
| 825 | static DEVICE_ATTR(pwm##offset##_auto_channels, S_IRUGO | S_IWUSR, \ |
| 826 | show_pwm##offset##_auto_channels, \ |
| 827 | set_pwm##offset##_auto_channels); \ |
| 828 | static DEVICE_ATTR(pwm##offset##_auto_pwm_min, S_IRUGO | S_IWUSR, \ |
| 829 | show_pwm##offset##_auto_pwm_min, \ |
| 830 | set_pwm##offset##_auto_pwm_min); \ |
| 831 | static DEVICE_ATTR(pwm##offset##_auto_pwm_minctl, S_IRUGO | S_IWUSR, \ |
| 832 | show_pwm##offset##_auto_pwm_minctl, \ |
| 833 | set_pwm##offset##_auto_pwm_minctl); \ |
| 834 | static DEVICE_ATTR(pwm##offset##_auto_pwm_freq, S_IRUGO | S_IWUSR, \ |
| 835 | show_pwm##offset##_auto_pwm_freq, \ |
| 836 | set_pwm##offset##_auto_pwm_freq); |
| 837 | pwm_auto(1); |
| 838 | pwm_auto(2); |
| 839 | pwm_auto(3); |
| 840 | |
| 841 | /* Temperature settings for automatic PWM control */ |
| 842 | |
| 843 | static ssize_t show_temp_auto_temp_off(struct device *dev, char *buf, int nr) |
| 844 | { |
| 845 | struct lm85_data *data = lm85_update_device(dev); |
| 846 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) - |
| 847 | HYST_FROM_REG(data->zone[nr].hyst)); |
| 848 | } |
| 849 | static ssize_t set_temp_auto_temp_off(struct device *dev, const char *buf, |
| 850 | size_t count, int nr) |
| 851 | { |
| 852 | struct i2c_client *client = to_i2c_client(dev); |
| 853 | struct lm85_data *data = i2c_get_clientdata(client); |
| 854 | int min; |
| 855 | long val = simple_strtol(buf, NULL, 10); |
| 856 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 857 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 858 | min = TEMP_FROM_REG(data->zone[nr].limit); |
| 859 | data->zone[nr].off_desired = TEMP_TO_REG(val); |
| 860 | data->zone[nr].hyst = HYST_TO_REG(min - val); |
| 861 | if ( nr == 0 || nr == 1 ) { |
| 862 | lm85_write_value(client, LM85_REG_AFAN_HYST1, |
| 863 | (data->zone[0].hyst << 4) |
| 864 | | data->zone[1].hyst |
| 865 | ); |
| 866 | } else { |
| 867 | lm85_write_value(client, LM85_REG_AFAN_HYST2, |
| 868 | (data->zone[2].hyst << 4) |
| 869 | ); |
| 870 | } |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 871 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 872 | return count; |
| 873 | } |
| 874 | static ssize_t show_temp_auto_temp_min(struct device *dev, char *buf, int nr) |
| 875 | { |
| 876 | struct lm85_data *data = lm85_update_device(dev); |
| 877 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) ); |
| 878 | } |
| 879 | static ssize_t set_temp_auto_temp_min(struct device *dev, const char *buf, |
| 880 | size_t count, int nr) |
| 881 | { |
| 882 | struct i2c_client *client = to_i2c_client(dev); |
| 883 | struct lm85_data *data = i2c_get_clientdata(client); |
| 884 | long val = simple_strtol(buf, NULL, 10); |
| 885 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 886 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 887 | data->zone[nr].limit = TEMP_TO_REG(val); |
| 888 | lm85_write_value(client, LM85_REG_AFAN_LIMIT(nr), |
| 889 | data->zone[nr].limit); |
| 890 | |
| 891 | /* Update temp_auto_max and temp_auto_range */ |
| 892 | data->zone[nr].range = RANGE_TO_REG( |
| 893 | TEMP_FROM_REG(data->zone[nr].max_desired) - |
| 894 | TEMP_FROM_REG(data->zone[nr].limit)); |
| 895 | lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), |
| 896 | ((data->zone[nr].range & 0x0f) << 4) |
| 897 | | (data->autofan[nr].freq & 0x07)); |
| 898 | |
| 899 | /* Update temp_auto_hyst and temp_auto_off */ |
| 900 | data->zone[nr].hyst = HYST_TO_REG(TEMP_FROM_REG( |
| 901 | data->zone[nr].limit) - TEMP_FROM_REG( |
| 902 | data->zone[nr].off_desired)); |
| 903 | if ( nr == 0 || nr == 1 ) { |
| 904 | lm85_write_value(client, LM85_REG_AFAN_HYST1, |
| 905 | (data->zone[0].hyst << 4) |
| 906 | | data->zone[1].hyst |
| 907 | ); |
| 908 | } else { |
| 909 | lm85_write_value(client, LM85_REG_AFAN_HYST2, |
| 910 | (data->zone[2].hyst << 4) |
| 911 | ); |
| 912 | } |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 913 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 914 | return count; |
| 915 | } |
| 916 | static ssize_t show_temp_auto_temp_max(struct device *dev, char *buf, int nr) |
| 917 | { |
| 918 | struct lm85_data *data = lm85_update_device(dev); |
| 919 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) + |
| 920 | RANGE_FROM_REG(data->zone[nr].range)); |
| 921 | } |
| 922 | static ssize_t set_temp_auto_temp_max(struct device *dev, const char *buf, |
| 923 | size_t count, int nr) |
| 924 | { |
| 925 | struct i2c_client *client = to_i2c_client(dev); |
| 926 | struct lm85_data *data = i2c_get_clientdata(client); |
| 927 | int min; |
| 928 | long val = simple_strtol(buf, NULL, 10); |
| 929 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 930 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 931 | min = TEMP_FROM_REG(data->zone[nr].limit); |
| 932 | data->zone[nr].max_desired = TEMP_TO_REG(val); |
| 933 | data->zone[nr].range = RANGE_TO_REG( |
| 934 | val - min); |
| 935 | lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), |
| 936 | ((data->zone[nr].range & 0x0f) << 4) |
| 937 | | (data->autofan[nr].freq & 0x07)); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 938 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 939 | return count; |
| 940 | } |
| 941 | static ssize_t show_temp_auto_temp_crit(struct device *dev, char *buf, int nr) |
| 942 | { |
| 943 | struct lm85_data *data = lm85_update_device(dev); |
| 944 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].critical)); |
| 945 | } |
| 946 | static ssize_t set_temp_auto_temp_crit(struct device *dev, const char *buf, |
| 947 | size_t count, int nr) |
| 948 | { |
| 949 | struct i2c_client *client = to_i2c_client(dev); |
| 950 | struct lm85_data *data = i2c_get_clientdata(client); |
| 951 | long val = simple_strtol(buf, NULL, 10); |
| 952 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 953 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 954 | data->zone[nr].critical = TEMP_TO_REG(val); |
| 955 | lm85_write_value(client, LM85_REG_AFAN_CRITICAL(nr), |
| 956 | data->zone[nr].critical); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 957 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 958 | return count; |
| 959 | } |
| 960 | #define temp_auto(offset) \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 961 | static ssize_t show_temp##offset##_auto_temp_off (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 962 | char *buf) \ |
| 963 | { \ |
| 964 | return show_temp_auto_temp_off(dev, buf, offset - 1); \ |
| 965 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 966 | static ssize_t set_temp##offset##_auto_temp_off (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 967 | const char *buf, size_t count) \ |
| 968 | { \ |
| 969 | return set_temp_auto_temp_off(dev, buf, count, offset - 1); \ |
| 970 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 971 | static ssize_t show_temp##offset##_auto_temp_min (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 972 | char *buf) \ |
| 973 | { \ |
| 974 | return show_temp_auto_temp_min(dev, buf, offset - 1); \ |
| 975 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 976 | static ssize_t set_temp##offset##_auto_temp_min (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 977 | const char *buf, size_t count) \ |
| 978 | { \ |
| 979 | return set_temp_auto_temp_min(dev, buf, count, offset - 1); \ |
| 980 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 981 | static ssize_t show_temp##offset##_auto_temp_max (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 982 | char *buf) \ |
| 983 | { \ |
| 984 | return show_temp_auto_temp_max(dev, buf, offset - 1); \ |
| 985 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 986 | static ssize_t set_temp##offset##_auto_temp_max (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 987 | const char *buf, size_t count) \ |
| 988 | { \ |
| 989 | return set_temp_auto_temp_max(dev, buf, count, offset - 1); \ |
| 990 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 991 | static ssize_t show_temp##offset##_auto_temp_crit (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 992 | char *buf) \ |
| 993 | { \ |
| 994 | return show_temp_auto_temp_crit(dev, buf, offset - 1); \ |
| 995 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 996 | static ssize_t set_temp##offset##_auto_temp_crit (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 997 | const char *buf, size_t count) \ |
| 998 | { \ |
| 999 | return set_temp_auto_temp_crit(dev, buf, count, offset - 1); \ |
| 1000 | } \ |
| 1001 | static DEVICE_ATTR(temp##offset##_auto_temp_off, S_IRUGO | S_IWUSR, \ |
| 1002 | show_temp##offset##_auto_temp_off, \ |
| 1003 | set_temp##offset##_auto_temp_off); \ |
| 1004 | static DEVICE_ATTR(temp##offset##_auto_temp_min, S_IRUGO | S_IWUSR, \ |
| 1005 | show_temp##offset##_auto_temp_min, \ |
| 1006 | set_temp##offset##_auto_temp_min); \ |
| 1007 | static DEVICE_ATTR(temp##offset##_auto_temp_max, S_IRUGO | S_IWUSR, \ |
| 1008 | show_temp##offset##_auto_temp_max, \ |
| 1009 | set_temp##offset##_auto_temp_max); \ |
| 1010 | static DEVICE_ATTR(temp##offset##_auto_temp_crit, S_IRUGO | S_IWUSR, \ |
| 1011 | show_temp##offset##_auto_temp_crit, \ |
| 1012 | set_temp##offset##_auto_temp_crit); |
| 1013 | temp_auto(1); |
| 1014 | temp_auto(2); |
| 1015 | temp_auto(3); |
| 1016 | |
Ben Dooks | d8d2061 | 2005-10-26 21:05:46 +0200 | [diff] [blame] | 1017 | static int lm85_attach_adapter(struct i2c_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1018 | { |
| 1019 | if (!(adapter->class & I2C_CLASS_HWMON)) |
| 1020 | return 0; |
Jean Delvare | 2ed2dc3 | 2005-07-31 21:42:02 +0200 | [diff] [blame] | 1021 | return i2c_probe(adapter, &addr_data, lm85_detect); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1022 | } |
| 1023 | |
Mark M. Hoffman | 0501a38 | 2006-09-24 21:14:35 +0200 | [diff] [blame] | 1024 | static struct attribute *lm85_attributes[] = { |
| 1025 | &dev_attr_fan1_input.attr, |
| 1026 | &dev_attr_fan2_input.attr, |
| 1027 | &dev_attr_fan3_input.attr, |
| 1028 | &dev_attr_fan4_input.attr, |
| 1029 | &dev_attr_fan1_min.attr, |
| 1030 | &dev_attr_fan2_min.attr, |
| 1031 | &dev_attr_fan3_min.attr, |
| 1032 | &dev_attr_fan4_min.attr, |
| 1033 | &dev_attr_pwm1.attr, |
| 1034 | &dev_attr_pwm2.attr, |
| 1035 | &dev_attr_pwm3.attr, |
| 1036 | &dev_attr_pwm1_enable.attr, |
| 1037 | &dev_attr_pwm2_enable.attr, |
| 1038 | &dev_attr_pwm3_enable.attr, |
| 1039 | &dev_attr_in0_input.attr, |
| 1040 | &dev_attr_in1_input.attr, |
| 1041 | &dev_attr_in2_input.attr, |
| 1042 | &dev_attr_in3_input.attr, |
| 1043 | &dev_attr_in0_min.attr, |
| 1044 | &dev_attr_in1_min.attr, |
| 1045 | &dev_attr_in2_min.attr, |
| 1046 | &dev_attr_in3_min.attr, |
| 1047 | &dev_attr_in0_max.attr, |
| 1048 | &dev_attr_in1_max.attr, |
| 1049 | &dev_attr_in2_max.attr, |
| 1050 | &dev_attr_in3_max.attr, |
| 1051 | &dev_attr_temp1_input.attr, |
| 1052 | &dev_attr_temp2_input.attr, |
| 1053 | &dev_attr_temp3_input.attr, |
| 1054 | &dev_attr_temp1_min.attr, |
| 1055 | &dev_attr_temp2_min.attr, |
| 1056 | &dev_attr_temp3_min.attr, |
| 1057 | &dev_attr_temp1_max.attr, |
| 1058 | &dev_attr_temp2_max.attr, |
| 1059 | &dev_attr_temp3_max.attr, |
| 1060 | &dev_attr_vrm.attr, |
| 1061 | &dev_attr_cpu0_vid.attr, |
| 1062 | &dev_attr_alarms.attr, |
| 1063 | &dev_attr_pwm1_auto_channels.attr, |
| 1064 | &dev_attr_pwm2_auto_channels.attr, |
| 1065 | &dev_attr_pwm3_auto_channels.attr, |
| 1066 | &dev_attr_pwm1_auto_pwm_min.attr, |
| 1067 | &dev_attr_pwm2_auto_pwm_min.attr, |
| 1068 | &dev_attr_pwm3_auto_pwm_min.attr, |
| 1069 | &dev_attr_pwm1_auto_pwm_minctl.attr, |
| 1070 | &dev_attr_pwm2_auto_pwm_minctl.attr, |
| 1071 | &dev_attr_pwm3_auto_pwm_minctl.attr, |
| 1072 | &dev_attr_pwm1_auto_pwm_freq.attr, |
| 1073 | &dev_attr_pwm2_auto_pwm_freq.attr, |
| 1074 | &dev_attr_pwm3_auto_pwm_freq.attr, |
| 1075 | &dev_attr_temp1_auto_temp_off.attr, |
| 1076 | &dev_attr_temp2_auto_temp_off.attr, |
| 1077 | &dev_attr_temp3_auto_temp_off.attr, |
| 1078 | &dev_attr_temp1_auto_temp_min.attr, |
| 1079 | &dev_attr_temp2_auto_temp_min.attr, |
| 1080 | &dev_attr_temp3_auto_temp_min.attr, |
| 1081 | &dev_attr_temp1_auto_temp_max.attr, |
| 1082 | &dev_attr_temp2_auto_temp_max.attr, |
| 1083 | &dev_attr_temp3_auto_temp_max.attr, |
| 1084 | &dev_attr_temp1_auto_temp_crit.attr, |
| 1085 | &dev_attr_temp2_auto_temp_crit.attr, |
| 1086 | &dev_attr_temp3_auto_temp_crit.attr, |
| 1087 | |
| 1088 | NULL |
| 1089 | }; |
| 1090 | |
| 1091 | static const struct attribute_group lm85_group = { |
| 1092 | .attrs = lm85_attributes, |
| 1093 | }; |
| 1094 | |
| 1095 | static struct attribute *lm85_attributes_opt[] = { |
| 1096 | &dev_attr_in4_input.attr, |
| 1097 | &dev_attr_in4_min.attr, |
| 1098 | &dev_attr_in4_max.attr, |
| 1099 | |
| 1100 | NULL |
| 1101 | }; |
| 1102 | |
| 1103 | static const struct attribute_group lm85_group_opt = { |
| 1104 | .attrs = lm85_attributes_opt, |
| 1105 | }; |
| 1106 | |
Ben Dooks | d8d2061 | 2005-10-26 21:05:46 +0200 | [diff] [blame] | 1107 | static int lm85_detect(struct i2c_adapter *adapter, int address, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1108 | int kind) |
| 1109 | { |
| 1110 | int company, verstep ; |
| 1111 | struct i2c_client *new_client = NULL; |
| 1112 | struct lm85_data *data; |
| 1113 | int err = 0; |
| 1114 | const char *type_name = ""; |
| 1115 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1116 | if (!i2c_check_functionality(adapter, |
| 1117 | I2C_FUNC_SMBUS_BYTE_DATA)) { |
| 1118 | /* We need to be able to do byte I/O */ |
| 1119 | goto ERROR0 ; |
| 1120 | }; |
| 1121 | |
| 1122 | /* OK. For now, we presume we have a valid client. We now create the |
| 1123 | client structure, even though we cannot fill it completely yet. |
| 1124 | But it allows us to access lm85_{read,write}_value. */ |
| 1125 | |
Deepak Saxena | ba9c2e8 | 2005-10-17 23:08:32 +0200 | [diff] [blame] | 1126 | if (!(data = kzalloc(sizeof(struct lm85_data), GFP_KERNEL))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1127 | err = -ENOMEM; |
| 1128 | goto ERROR0; |
| 1129 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1130 | |
| 1131 | new_client = &data->client; |
| 1132 | i2c_set_clientdata(new_client, data); |
| 1133 | new_client->addr = address; |
| 1134 | new_client->adapter = adapter; |
| 1135 | new_client->driver = &lm85_driver; |
| 1136 | new_client->flags = 0; |
| 1137 | |
| 1138 | /* Now, we do the remaining detection. */ |
| 1139 | |
| 1140 | company = lm85_read_value(new_client, LM85_REG_COMPANY); |
| 1141 | verstep = lm85_read_value(new_client, LM85_REG_VERSTEP); |
| 1142 | |
| 1143 | dev_dbg(&adapter->dev, "Detecting device at %d,0x%02x with" |
| 1144 | " COMPANY: 0x%02x and VERSTEP: 0x%02x\n", |
| 1145 | i2c_adapter_id(new_client->adapter), new_client->addr, |
| 1146 | company, verstep); |
| 1147 | |
| 1148 | /* If auto-detecting, Determine the chip type. */ |
| 1149 | if (kind <= 0) { |
| 1150 | dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x ...\n", |
| 1151 | i2c_adapter_id(adapter), address ); |
| 1152 | if( company == LM85_COMPANY_NATIONAL |
| 1153 | && verstep == LM85_VERSTEP_LM85C ) { |
| 1154 | kind = lm85c ; |
| 1155 | } else if( company == LM85_COMPANY_NATIONAL |
| 1156 | && verstep == LM85_VERSTEP_LM85B ) { |
| 1157 | kind = lm85b ; |
| 1158 | } else if( company == LM85_COMPANY_NATIONAL |
| 1159 | && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC ) { |
| 1160 | dev_err(&adapter->dev, "Unrecognized version/stepping 0x%02x" |
| 1161 | " Defaulting to LM85.\n", verstep); |
| 1162 | kind = any_chip ; |
| 1163 | } else if( company == LM85_COMPANY_ANALOG_DEV |
| 1164 | && verstep == LM85_VERSTEP_ADM1027 ) { |
| 1165 | kind = adm1027 ; |
| 1166 | } else if( company == LM85_COMPANY_ANALOG_DEV |
| 1167 | && (verstep == LM85_VERSTEP_ADT7463 |
| 1168 | || verstep == LM85_VERSTEP_ADT7463C) ) { |
| 1169 | kind = adt7463 ; |
| 1170 | } else if( company == LM85_COMPANY_ANALOG_DEV |
| 1171 | && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC ) { |
| 1172 | dev_err(&adapter->dev, "Unrecognized version/stepping 0x%02x" |
| 1173 | " Defaulting to Generic LM85.\n", verstep ); |
| 1174 | kind = any_chip ; |
| 1175 | } else if( company == LM85_COMPANY_SMSC |
| 1176 | && (verstep == LM85_VERSTEP_EMC6D100_A0 |
| 1177 | || verstep == LM85_VERSTEP_EMC6D100_A1) ) { |
| 1178 | /* Unfortunately, we can't tell a '100 from a '101 |
| 1179 | * from the registers. Since a '101 is a '100 |
| 1180 | * in a package with fewer pins and therefore no |
| 1181 | * 3.3V, 1.5V or 1.8V inputs, perhaps if those |
| 1182 | * inputs read 0, then it's a '101. |
| 1183 | */ |
| 1184 | kind = emc6d100 ; |
| 1185 | } else if( company == LM85_COMPANY_SMSC |
| 1186 | && verstep == LM85_VERSTEP_EMC6D102) { |
| 1187 | kind = emc6d102 ; |
| 1188 | } else if( company == LM85_COMPANY_SMSC |
| 1189 | && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) { |
| 1190 | dev_err(&adapter->dev, "lm85: Detected SMSC chip\n"); |
| 1191 | dev_err(&adapter->dev, "lm85: Unrecognized version/stepping 0x%02x" |
| 1192 | " Defaulting to Generic LM85.\n", verstep ); |
| 1193 | kind = any_chip ; |
| 1194 | } else if( kind == any_chip |
| 1195 | && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) { |
| 1196 | dev_err(&adapter->dev, "Generic LM85 Version 6 detected\n"); |
| 1197 | /* Leave kind as "any_chip" */ |
| 1198 | } else { |
| 1199 | dev_dbg(&adapter->dev, "Autodetection failed\n"); |
| 1200 | /* Not an LM85 ... */ |
| 1201 | if( kind == any_chip ) { /* User used force=x,y */ |
| 1202 | dev_err(&adapter->dev, "Generic LM85 Version 6 not" |
| 1203 | " found at %d,0x%02x. Try force_lm85c.\n", |
| 1204 | i2c_adapter_id(adapter), address ); |
| 1205 | } |
| 1206 | err = 0 ; |
| 1207 | goto ERROR1; |
| 1208 | } |
| 1209 | } |
| 1210 | |
| 1211 | /* Fill in the chip specific driver values */ |
| 1212 | if ( kind == any_chip ) { |
| 1213 | type_name = "lm85"; |
| 1214 | } else if ( kind == lm85b ) { |
| 1215 | type_name = "lm85b"; |
| 1216 | } else if ( kind == lm85c ) { |
| 1217 | type_name = "lm85c"; |
| 1218 | } else if ( kind == adm1027 ) { |
| 1219 | type_name = "adm1027"; |
| 1220 | } else if ( kind == adt7463 ) { |
| 1221 | type_name = "adt7463"; |
| 1222 | } else if ( kind == emc6d100){ |
| 1223 | type_name = "emc6d100"; |
| 1224 | } else if ( kind == emc6d102 ) { |
| 1225 | type_name = "emc6d102"; |
| 1226 | } |
| 1227 | strlcpy(new_client->name, type_name, I2C_NAME_SIZE); |
| 1228 | |
| 1229 | /* Fill in the remaining client fields */ |
| 1230 | data->type = kind; |
| 1231 | data->valid = 0; |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 1232 | mutex_init(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1233 | |
| 1234 | /* Tell the I2C layer a new client has arrived */ |
| 1235 | if ((err = i2c_attach_client(new_client))) |
| 1236 | goto ERROR1; |
| 1237 | |
| 1238 | /* Set the VRM version */ |
Jean Delvare | 303760b | 2005-07-31 21:52:01 +0200 | [diff] [blame] | 1239 | data->vrm = vid_which_vrm(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1240 | |
| 1241 | /* Initialize the LM85 chip */ |
| 1242 | lm85_init_client(new_client); |
| 1243 | |
| 1244 | /* Register sysfs hooks */ |
Mark M. Hoffman | 0501a38 | 2006-09-24 21:14:35 +0200 | [diff] [blame] | 1245 | if ((err = sysfs_create_group(&new_client->dev.kobj, &lm85_group))) |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1246 | goto ERROR2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1247 | |
Jean Delvare | 9c516ef | 2005-11-26 20:07:54 +0100 | [diff] [blame] | 1248 | /* The ADT7463 has an optional VRM 10 mode where pin 21 is used |
| 1249 | as a sixth digital VID input rather than an analog input. */ |
| 1250 | data->vid = lm85_read_value(new_client, LM85_REG_VID); |
Mark M. Hoffman | 0501a38 | 2006-09-24 21:14:35 +0200 | [diff] [blame] | 1251 | if (!(kind == adt7463 && (data->vid & 0x80))) |
| 1252 | if ((err = device_create_file(&new_client->dev, |
| 1253 | &dev_attr_in4_input)) |
| 1254 | || (err = device_create_file(&new_client->dev, |
| 1255 | &dev_attr_in4_min)) |
| 1256 | || (err = device_create_file(&new_client->dev, |
| 1257 | &dev_attr_in4_max))) |
| 1258 | goto ERROR3; |
| 1259 | |
| 1260 | data->class_dev = hwmon_device_register(&new_client->dev); |
| 1261 | if (IS_ERR(data->class_dev)) { |
| 1262 | err = PTR_ERR(data->class_dev); |
| 1263 | goto ERROR3; |
Jean Delvare | 9c516ef | 2005-11-26 20:07:54 +0100 | [diff] [blame] | 1264 | } |
| 1265 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1266 | return 0; |
| 1267 | |
| 1268 | /* Error out and cleanup code */ |
Mark M. Hoffman | 0501a38 | 2006-09-24 21:14:35 +0200 | [diff] [blame] | 1269 | ERROR3: |
| 1270 | sysfs_remove_group(&new_client->dev.kobj, &lm85_group); |
| 1271 | sysfs_remove_group(&new_client->dev.kobj, &lm85_group_opt); |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1272 | ERROR2: |
| 1273 | i2c_detach_client(new_client); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1274 | ERROR1: |
| 1275 | kfree(data); |
| 1276 | ERROR0: |
| 1277 | return err; |
| 1278 | } |
| 1279 | |
Ben Dooks | d8d2061 | 2005-10-26 21:05:46 +0200 | [diff] [blame] | 1280 | static int lm85_detach_client(struct i2c_client *client) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1281 | { |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1282 | struct lm85_data *data = i2c_get_clientdata(client); |
| 1283 | hwmon_device_unregister(data->class_dev); |
Mark M. Hoffman | 0501a38 | 2006-09-24 21:14:35 +0200 | [diff] [blame] | 1284 | sysfs_remove_group(&client->dev.kobj, &lm85_group); |
| 1285 | sysfs_remove_group(&client->dev.kobj, &lm85_group_opt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1286 | i2c_detach_client(client); |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1287 | kfree(data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1288 | return 0; |
| 1289 | } |
| 1290 | |
| 1291 | |
Ben Dooks | d8d2061 | 2005-10-26 21:05:46 +0200 | [diff] [blame] | 1292 | static int lm85_read_value(struct i2c_client *client, u8 reg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1293 | { |
| 1294 | int res; |
| 1295 | |
| 1296 | /* What size location is it? */ |
| 1297 | switch( reg ) { |
| 1298 | case LM85_REG_FAN(0) : /* Read WORD data */ |
| 1299 | case LM85_REG_FAN(1) : |
| 1300 | case LM85_REG_FAN(2) : |
| 1301 | case LM85_REG_FAN(3) : |
| 1302 | case LM85_REG_FAN_MIN(0) : |
| 1303 | case LM85_REG_FAN_MIN(1) : |
| 1304 | case LM85_REG_FAN_MIN(2) : |
| 1305 | case LM85_REG_FAN_MIN(3) : |
| 1306 | case LM85_REG_ALARM1 : /* Read both bytes at once */ |
| 1307 | res = i2c_smbus_read_byte_data(client, reg) & 0xff ; |
| 1308 | res |= i2c_smbus_read_byte_data(client, reg+1) << 8 ; |
| 1309 | break ; |
| 1310 | case ADT7463_REG_TMIN_CTL1 : /* Read WORD MSB, LSB */ |
| 1311 | res = i2c_smbus_read_byte_data(client, reg) << 8 ; |
| 1312 | res |= i2c_smbus_read_byte_data(client, reg+1) & 0xff ; |
| 1313 | break ; |
| 1314 | default: /* Read BYTE data */ |
| 1315 | res = i2c_smbus_read_byte_data(client, reg); |
| 1316 | break ; |
| 1317 | } |
| 1318 | |
| 1319 | return res ; |
| 1320 | } |
| 1321 | |
Ben Dooks | d8d2061 | 2005-10-26 21:05:46 +0200 | [diff] [blame] | 1322 | 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] | 1323 | { |
| 1324 | int res ; |
| 1325 | |
| 1326 | switch( reg ) { |
| 1327 | case LM85_REG_FAN(0) : /* Write WORD data */ |
| 1328 | case LM85_REG_FAN(1) : |
| 1329 | case LM85_REG_FAN(2) : |
| 1330 | case LM85_REG_FAN(3) : |
| 1331 | case LM85_REG_FAN_MIN(0) : |
| 1332 | case LM85_REG_FAN_MIN(1) : |
| 1333 | case LM85_REG_FAN_MIN(2) : |
| 1334 | case LM85_REG_FAN_MIN(3) : |
| 1335 | /* NOTE: ALARM is read only, so not included here */ |
| 1336 | res = i2c_smbus_write_byte_data(client, reg, value & 0xff) ; |
| 1337 | res |= i2c_smbus_write_byte_data(client, reg+1, (value>>8) & 0xff) ; |
| 1338 | break ; |
| 1339 | case ADT7463_REG_TMIN_CTL1 : /* Write WORD MSB, LSB */ |
| 1340 | res = i2c_smbus_write_byte_data(client, reg, (value>>8) & 0xff); |
| 1341 | res |= i2c_smbus_write_byte_data(client, reg+1, value & 0xff) ; |
| 1342 | break ; |
| 1343 | default: /* Write BYTE data */ |
| 1344 | res = i2c_smbus_write_byte_data(client, reg, value); |
| 1345 | break ; |
| 1346 | } |
| 1347 | |
| 1348 | return res ; |
| 1349 | } |
| 1350 | |
Ben Dooks | d8d2061 | 2005-10-26 21:05:46 +0200 | [diff] [blame] | 1351 | static void lm85_init_client(struct i2c_client *client) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1352 | { |
| 1353 | int value; |
| 1354 | struct lm85_data *data = i2c_get_clientdata(client); |
| 1355 | |
| 1356 | dev_dbg(&client->dev, "Initializing device\n"); |
| 1357 | |
| 1358 | /* Warn if part was not "READY" */ |
| 1359 | value = lm85_read_value(client, LM85_REG_CONFIG); |
| 1360 | dev_dbg(&client->dev, "LM85_REG_CONFIG is: 0x%02x\n", value); |
| 1361 | if( value & 0x02 ) { |
| 1362 | dev_err(&client->dev, "Client (%d,0x%02x) config is locked.\n", |
| 1363 | i2c_adapter_id(client->adapter), client->addr ); |
| 1364 | }; |
| 1365 | if( ! (value & 0x04) ) { |
| 1366 | dev_err(&client->dev, "Client (%d,0x%02x) is not ready.\n", |
| 1367 | i2c_adapter_id(client->adapter), client->addr ); |
| 1368 | }; |
| 1369 | if( value & 0x10 |
| 1370 | && ( data->type == adm1027 |
| 1371 | || data->type == adt7463 ) ) { |
| 1372 | dev_err(&client->dev, "Client (%d,0x%02x) VxI mode is set. " |
| 1373 | "Please report this to the lm85 maintainer.\n", |
| 1374 | i2c_adapter_id(client->adapter), client->addr ); |
| 1375 | }; |
| 1376 | |
| 1377 | /* WE INTENTIONALLY make no changes to the limits, |
| 1378 | * offsets, pwms, fans and zones. If they were |
| 1379 | * configured, we don't want to mess with them. |
| 1380 | * If they weren't, the default is 100% PWM, no |
| 1381 | * control and will suffice until 'sensors -s' |
| 1382 | * can be run by the user. |
| 1383 | */ |
| 1384 | |
| 1385 | /* Start monitoring */ |
| 1386 | value = lm85_read_value(client, LM85_REG_CONFIG); |
| 1387 | /* Try to clear LOCK, Set START, save everything else */ |
| 1388 | value = (value & ~ 0x02) | 0x01 ; |
| 1389 | dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value); |
| 1390 | lm85_write_value(client, LM85_REG_CONFIG, value); |
| 1391 | } |
| 1392 | |
| 1393 | static struct lm85_data *lm85_update_device(struct device *dev) |
| 1394 | { |
| 1395 | struct i2c_client *client = to_i2c_client(dev); |
| 1396 | struct lm85_data *data = i2c_get_clientdata(client); |
| 1397 | int i; |
| 1398 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 1399 | mutex_lock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1400 | |
| 1401 | if ( !data->valid || |
| 1402 | time_after(jiffies, data->last_reading + LM85_DATA_INTERVAL) ) { |
| 1403 | /* Things that change quickly */ |
| 1404 | dev_dbg(&client->dev, "Reading sensor values\n"); |
| 1405 | |
| 1406 | /* Have to read extended bits first to "freeze" the |
| 1407 | * more significant bits that are read later. |
| 1408 | */ |
| 1409 | if ( (data->type == adm1027) || (data->type == adt7463) ) { |
| 1410 | int ext1 = lm85_read_value(client, |
| 1411 | ADM1027_REG_EXTEND_ADC1); |
| 1412 | int ext2 = lm85_read_value(client, |
| 1413 | ADM1027_REG_EXTEND_ADC2); |
| 1414 | int val = (ext1 << 8) + ext2; |
| 1415 | |
| 1416 | for(i = 0; i <= 4; i++) |
| 1417 | data->in_ext[i] = (val>>(i * 2))&0x03; |
| 1418 | |
| 1419 | for(i = 0; i <= 2; i++) |
| 1420 | data->temp_ext[i] = (val>>((i + 5) * 2))&0x03; |
| 1421 | } |
| 1422 | |
| 1423 | /* adc_scale is 2^(number of LSBs). There are 4 extra bits in |
| 1424 | the emc6d102 and 2 in the adt7463 and adm1027. In all |
| 1425 | other chips ext is always 0 and the value of scale is |
| 1426 | irrelevant. So it is left in 4*/ |
| 1427 | data->adc_scale = (data->type == emc6d102 ) ? 16 : 4; |
| 1428 | |
Jean Delvare | 9c516ef | 2005-11-26 20:07:54 +0100 | [diff] [blame] | 1429 | data->vid = lm85_read_value(client, LM85_REG_VID); |
| 1430 | |
| 1431 | for (i = 0; i <= 3; ++i) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1432 | data->in[i] = |
| 1433 | lm85_read_value(client, LM85_REG_IN(i)); |
| 1434 | } |
| 1435 | |
Jean Delvare | 9c516ef | 2005-11-26 20:07:54 +0100 | [diff] [blame] | 1436 | if (!(data->type == adt7463 && (data->vid & 0x80))) { |
| 1437 | data->in[4] = lm85_read_value(client, |
| 1438 | LM85_REG_IN(4)); |
| 1439 | } |
| 1440 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1441 | for (i = 0; i <= 3; ++i) { |
| 1442 | data->fan[i] = |
| 1443 | lm85_read_value(client, LM85_REG_FAN(i)); |
| 1444 | } |
| 1445 | |
| 1446 | for (i = 0; i <= 2; ++i) { |
| 1447 | data->temp[i] = |
| 1448 | lm85_read_value(client, LM85_REG_TEMP(i)); |
| 1449 | } |
| 1450 | |
| 1451 | for (i = 0; i <= 2; ++i) { |
| 1452 | data->pwm[i] = |
| 1453 | lm85_read_value(client, LM85_REG_PWM(i)); |
| 1454 | } |
| 1455 | |
| 1456 | data->alarms = lm85_read_value(client, LM85_REG_ALARM1); |
| 1457 | |
| 1458 | if ( data->type == adt7463 ) { |
| 1459 | if( data->therm_total < ULONG_MAX - 256 ) { |
| 1460 | data->therm_total += |
| 1461 | lm85_read_value(client, ADT7463_REG_THERM ); |
| 1462 | } |
| 1463 | } else if ( data->type == emc6d100 ) { |
| 1464 | /* Three more voltage sensors */ |
| 1465 | for (i = 5; i <= 7; ++i) { |
| 1466 | data->in[i] = |
| 1467 | lm85_read_value(client, EMC6D100_REG_IN(i)); |
| 1468 | } |
| 1469 | /* More alarm bits */ |
| 1470 | data->alarms |= |
| 1471 | lm85_read_value(client, EMC6D100_REG_ALARM3) << 16; |
| 1472 | } else if (data->type == emc6d102 ) { |
| 1473 | /* Have to read LSB bits after the MSB ones because |
| 1474 | the reading of the MSB bits has frozen the |
| 1475 | LSBs (backward from the ADM1027). |
| 1476 | */ |
| 1477 | int ext1 = lm85_read_value(client, |
| 1478 | EMC6D102_REG_EXTEND_ADC1); |
| 1479 | int ext2 = lm85_read_value(client, |
| 1480 | EMC6D102_REG_EXTEND_ADC2); |
| 1481 | int ext3 = lm85_read_value(client, |
| 1482 | EMC6D102_REG_EXTEND_ADC3); |
| 1483 | int ext4 = lm85_read_value(client, |
| 1484 | EMC6D102_REG_EXTEND_ADC4); |
| 1485 | data->in_ext[0] = ext3 & 0x0f; |
| 1486 | data->in_ext[1] = ext4 & 0x0f; |
| 1487 | data->in_ext[2] = (ext4 >> 4) & 0x0f; |
| 1488 | data->in_ext[3] = (ext3 >> 4) & 0x0f; |
| 1489 | data->in_ext[4] = (ext2 >> 4) & 0x0f; |
| 1490 | |
| 1491 | data->temp_ext[0] = ext1 & 0x0f; |
| 1492 | data->temp_ext[1] = ext2 & 0x0f; |
| 1493 | data->temp_ext[2] = (ext1 >> 4) & 0x0f; |
| 1494 | } |
| 1495 | |
| 1496 | data->last_reading = jiffies ; |
| 1497 | }; /* last_reading */ |
| 1498 | |
| 1499 | if ( !data->valid || |
| 1500 | time_after(jiffies, data->last_config + LM85_CONFIG_INTERVAL) ) { |
| 1501 | /* Things that don't change often */ |
| 1502 | dev_dbg(&client->dev, "Reading config values\n"); |
| 1503 | |
Jean Delvare | 9c516ef | 2005-11-26 20:07:54 +0100 | [diff] [blame] | 1504 | for (i = 0; i <= 3; ++i) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1505 | data->in_min[i] = |
| 1506 | lm85_read_value(client, LM85_REG_IN_MIN(i)); |
| 1507 | data->in_max[i] = |
| 1508 | lm85_read_value(client, LM85_REG_IN_MAX(i)); |
| 1509 | } |
| 1510 | |
Jean Delvare | 9c516ef | 2005-11-26 20:07:54 +0100 | [diff] [blame] | 1511 | if (!(data->type == adt7463 && (data->vid & 0x80))) { |
| 1512 | data->in_min[4] = lm85_read_value(client, |
| 1513 | LM85_REG_IN_MIN(4)); |
| 1514 | data->in_max[4] = lm85_read_value(client, |
| 1515 | LM85_REG_IN_MAX(4)); |
| 1516 | } |
| 1517 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1518 | if ( data->type == emc6d100 ) { |
| 1519 | for (i = 5; i <= 7; ++i) { |
| 1520 | data->in_min[i] = |
| 1521 | lm85_read_value(client, EMC6D100_REG_IN_MIN(i)); |
| 1522 | data->in_max[i] = |
| 1523 | lm85_read_value(client, EMC6D100_REG_IN_MAX(i)); |
| 1524 | } |
| 1525 | } |
| 1526 | |
| 1527 | for (i = 0; i <= 3; ++i) { |
| 1528 | data->fan_min[i] = |
| 1529 | lm85_read_value(client, LM85_REG_FAN_MIN(i)); |
| 1530 | } |
| 1531 | |
| 1532 | for (i = 0; i <= 2; ++i) { |
| 1533 | data->temp_min[i] = |
| 1534 | lm85_read_value(client, LM85_REG_TEMP_MIN(i)); |
| 1535 | data->temp_max[i] = |
| 1536 | lm85_read_value(client, LM85_REG_TEMP_MAX(i)); |
| 1537 | } |
| 1538 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1539 | for (i = 0; i <= 2; ++i) { |
| 1540 | int val ; |
| 1541 | data->autofan[i].config = |
| 1542 | lm85_read_value(client, LM85_REG_AFAN_CONFIG(i)); |
| 1543 | val = lm85_read_value(client, LM85_REG_AFAN_RANGE(i)); |
| 1544 | data->autofan[i].freq = val & 0x07 ; |
| 1545 | data->zone[i].range = (val >> 4) & 0x0f ; |
| 1546 | data->autofan[i].min_pwm = |
| 1547 | lm85_read_value(client, LM85_REG_AFAN_MINPWM(i)); |
| 1548 | data->zone[i].limit = |
| 1549 | lm85_read_value(client, LM85_REG_AFAN_LIMIT(i)); |
| 1550 | data->zone[i].critical = |
| 1551 | lm85_read_value(client, LM85_REG_AFAN_CRITICAL(i)); |
| 1552 | } |
| 1553 | |
| 1554 | i = lm85_read_value(client, LM85_REG_AFAN_SPIKE1); |
| 1555 | data->smooth[0] = i & 0x0f ; |
| 1556 | data->syncpwm3 = i & 0x10 ; /* Save PWM3 config */ |
| 1557 | data->autofan[0].min_off = (i & 0x20) != 0 ; |
| 1558 | data->autofan[1].min_off = (i & 0x40) != 0 ; |
| 1559 | data->autofan[2].min_off = (i & 0x80) != 0 ; |
| 1560 | i = lm85_read_value(client, LM85_REG_AFAN_SPIKE2); |
| 1561 | data->smooth[1] = (i>>4) & 0x0f ; |
| 1562 | data->smooth[2] = i & 0x0f ; |
| 1563 | |
| 1564 | i = lm85_read_value(client, LM85_REG_AFAN_HYST1); |
| 1565 | data->zone[0].hyst = (i>>4) & 0x0f ; |
| 1566 | data->zone[1].hyst = i & 0x0f ; |
| 1567 | |
| 1568 | i = lm85_read_value(client, LM85_REG_AFAN_HYST2); |
| 1569 | data->zone[2].hyst = (i>>4) & 0x0f ; |
| 1570 | |
| 1571 | if ( (data->type == lm85b) || (data->type == lm85c) ) { |
| 1572 | data->tach_mode = lm85_read_value(client, |
| 1573 | LM85_REG_TACH_MODE ); |
| 1574 | data->spinup_ctl = lm85_read_value(client, |
| 1575 | LM85_REG_SPINUP_CTL ); |
| 1576 | } else if ( (data->type == adt7463) || (data->type == adm1027) ) { |
| 1577 | if ( data->type == adt7463 ) { |
| 1578 | for (i = 0; i <= 2; ++i) { |
| 1579 | data->oppoint[i] = lm85_read_value(client, |
| 1580 | ADT7463_REG_OPPOINT(i) ); |
| 1581 | } |
| 1582 | data->tmin_ctl = lm85_read_value(client, |
| 1583 | ADT7463_REG_TMIN_CTL1 ); |
| 1584 | data->therm_limit = lm85_read_value(client, |
| 1585 | ADT7463_REG_THERM_LIMIT ); |
| 1586 | } |
| 1587 | for (i = 0; i <= 2; ++i) { |
| 1588 | data->temp_offset[i] = lm85_read_value(client, |
| 1589 | ADM1027_REG_TEMP_OFFSET(i) ); |
| 1590 | } |
| 1591 | data->tach_mode = lm85_read_value(client, |
| 1592 | ADM1027_REG_CONFIG3 ); |
| 1593 | data->fan_ppr = lm85_read_value(client, |
| 1594 | ADM1027_REG_FAN_PPR ); |
| 1595 | } |
| 1596 | |
| 1597 | data->last_config = jiffies; |
| 1598 | }; /* last_config */ |
| 1599 | |
| 1600 | data->valid = 1; |
| 1601 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 1602 | mutex_unlock(&data->update_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1603 | |
| 1604 | return data; |
| 1605 | } |
| 1606 | |
| 1607 | |
| 1608 | static int __init sm_lm85_init(void) |
| 1609 | { |
| 1610 | return i2c_add_driver(&lm85_driver); |
| 1611 | } |
| 1612 | |
| 1613 | static void __exit sm_lm85_exit(void) |
| 1614 | { |
| 1615 | i2c_del_driver(&lm85_driver); |
| 1616 | } |
| 1617 | |
| 1618 | /* Thanks to Richard Barrington for adding the LM85 to sensors-detect. |
| 1619 | * Thanks to Margit Schubert-While <margitsw@t-online.de> for help with |
| 1620 | * post 2.7.0 CVS changes. |
| 1621 | */ |
| 1622 | MODULE_LICENSE("GPL"); |
| 1623 | MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, Margit Schubert-While <margitsw@t-online.de>, Justin Thiessen <jthiessen@penguincomputing.com"); |
| 1624 | MODULE_DESCRIPTION("LM85-B, LM85-C driver"); |
| 1625 | |
| 1626 | module_init(sm_lm85_init); |
| 1627 | module_exit(sm_lm85_exit); |