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> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | |
| 35 | /* Addresses to scan */ |
| 36 | static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | |
| 38 | /* Insmod parameters */ |
Jean Delvare | f4b5026 | 2005-07-31 21:49:03 +0200 | [diff] [blame] | 39 | I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | |
| 41 | /* The LM85 registers */ |
| 42 | |
| 43 | #define LM85_REG_IN(nr) (0x20 + (nr)) |
| 44 | #define LM85_REG_IN_MIN(nr) (0x44 + (nr) * 2) |
| 45 | #define LM85_REG_IN_MAX(nr) (0x45 + (nr) * 2) |
| 46 | |
| 47 | #define LM85_REG_TEMP(nr) (0x25 + (nr)) |
| 48 | #define LM85_REG_TEMP_MIN(nr) (0x4e + (nr) * 2) |
| 49 | #define LM85_REG_TEMP_MAX(nr) (0x4f + (nr) * 2) |
| 50 | |
| 51 | /* Fan speeds are LSB, MSB (2 bytes) */ |
| 52 | #define LM85_REG_FAN(nr) (0x28 + (nr) *2) |
| 53 | #define LM85_REG_FAN_MIN(nr) (0x54 + (nr) *2) |
| 54 | |
| 55 | #define LM85_REG_PWM(nr) (0x30 + (nr)) |
| 56 | |
| 57 | #define ADT7463_REG_OPPOINT(nr) (0x33 + (nr)) |
| 58 | |
| 59 | #define ADT7463_REG_TMIN_CTL1 0x36 |
| 60 | #define ADT7463_REG_TMIN_CTL2 0x37 |
| 61 | |
| 62 | #define LM85_REG_DEVICE 0x3d |
| 63 | #define LM85_REG_COMPANY 0x3e |
| 64 | #define LM85_REG_VERSTEP 0x3f |
| 65 | /* These are the recognized values for the above regs */ |
| 66 | #define LM85_DEVICE_ADX 0x27 |
| 67 | #define LM85_COMPANY_NATIONAL 0x01 |
| 68 | #define LM85_COMPANY_ANALOG_DEV 0x41 |
| 69 | #define LM85_COMPANY_SMSC 0x5c |
| 70 | #define LM85_VERSTEP_VMASK 0xf0 |
| 71 | #define LM85_VERSTEP_GENERIC 0x60 |
| 72 | #define LM85_VERSTEP_LM85C 0x60 |
| 73 | #define LM85_VERSTEP_LM85B 0x62 |
| 74 | #define LM85_VERSTEP_ADM1027 0x60 |
| 75 | #define LM85_VERSTEP_ADT7463 0x62 |
| 76 | #define LM85_VERSTEP_ADT7463C 0x6A |
| 77 | #define LM85_VERSTEP_EMC6D100_A0 0x60 |
| 78 | #define LM85_VERSTEP_EMC6D100_A1 0x61 |
| 79 | #define LM85_VERSTEP_EMC6D102 0x65 |
| 80 | |
| 81 | #define LM85_REG_CONFIG 0x40 |
| 82 | |
| 83 | #define LM85_REG_ALARM1 0x41 |
| 84 | #define LM85_REG_ALARM2 0x42 |
| 85 | |
| 86 | #define LM85_REG_VID 0x43 |
| 87 | |
| 88 | /* Automated FAN control */ |
| 89 | #define LM85_REG_AFAN_CONFIG(nr) (0x5c + (nr)) |
| 90 | #define LM85_REG_AFAN_RANGE(nr) (0x5f + (nr)) |
| 91 | #define LM85_REG_AFAN_SPIKE1 0x62 |
| 92 | #define LM85_REG_AFAN_SPIKE2 0x63 |
| 93 | #define LM85_REG_AFAN_MINPWM(nr) (0x64 + (nr)) |
| 94 | #define LM85_REG_AFAN_LIMIT(nr) (0x67 + (nr)) |
| 95 | #define LM85_REG_AFAN_CRITICAL(nr) (0x6a + (nr)) |
| 96 | #define LM85_REG_AFAN_HYST1 0x6d |
| 97 | #define LM85_REG_AFAN_HYST2 0x6e |
| 98 | |
| 99 | #define LM85_REG_TACH_MODE 0x74 |
| 100 | #define LM85_REG_SPINUP_CTL 0x75 |
| 101 | |
| 102 | #define ADM1027_REG_TEMP_OFFSET(nr) (0x70 + (nr)) |
| 103 | #define ADM1027_REG_CONFIG2 0x73 |
| 104 | #define ADM1027_REG_INTMASK1 0x74 |
| 105 | #define ADM1027_REG_INTMASK2 0x75 |
| 106 | #define ADM1027_REG_EXTEND_ADC1 0x76 |
| 107 | #define ADM1027_REG_EXTEND_ADC2 0x77 |
| 108 | #define ADM1027_REG_CONFIG3 0x78 |
| 109 | #define ADM1027_REG_FAN_PPR 0x7b |
| 110 | |
| 111 | #define ADT7463_REG_THERM 0x79 |
| 112 | #define ADT7463_REG_THERM_LIMIT 0x7A |
| 113 | |
| 114 | #define EMC6D100_REG_ALARM3 0x7d |
| 115 | /* IN5, IN6 and IN7 */ |
| 116 | #define EMC6D100_REG_IN(nr) (0x70 + ((nr)-5)) |
| 117 | #define EMC6D100_REG_IN_MIN(nr) (0x73 + ((nr)-5) * 2) |
| 118 | #define EMC6D100_REG_IN_MAX(nr) (0x74 + ((nr)-5) * 2) |
| 119 | #define EMC6D102_REG_EXTEND_ADC1 0x85 |
| 120 | #define EMC6D102_REG_EXTEND_ADC2 0x86 |
| 121 | #define EMC6D102_REG_EXTEND_ADC3 0x87 |
| 122 | #define EMC6D102_REG_EXTEND_ADC4 0x88 |
| 123 | |
| 124 | #define LM85_ALARM_IN0 0x0001 |
| 125 | #define LM85_ALARM_IN1 0x0002 |
| 126 | #define LM85_ALARM_IN2 0x0004 |
| 127 | #define LM85_ALARM_IN3 0x0008 |
| 128 | #define LM85_ALARM_TEMP1 0x0010 |
| 129 | #define LM85_ALARM_TEMP2 0x0020 |
| 130 | #define LM85_ALARM_TEMP3 0x0040 |
| 131 | #define LM85_ALARM_ALARM2 0x0080 |
| 132 | #define LM85_ALARM_IN4 0x0100 |
| 133 | #define LM85_ALARM_RESERVED 0x0200 |
| 134 | #define LM85_ALARM_FAN1 0x0400 |
| 135 | #define LM85_ALARM_FAN2 0x0800 |
| 136 | #define LM85_ALARM_FAN3 0x1000 |
| 137 | #define LM85_ALARM_FAN4 0x2000 |
| 138 | #define LM85_ALARM_TEMP1_FAULT 0x4000 |
| 139 | #define LM85_ALARM_TEMP3_FAULT 0x8000 |
| 140 | |
| 141 | |
| 142 | /* Conversions. Rounding and limit checking is only done on the TO_REG |
| 143 | variants. Note that you should be a bit careful with which arguments |
| 144 | these macros are called: arguments may be evaluated more than once. |
| 145 | */ |
| 146 | |
| 147 | /* IN are scaled acording to built-in resistors */ |
| 148 | static int lm85_scaling[] = { /* .001 Volts */ |
| 149 | 2500, 2250, 3300, 5000, 12000, |
| 150 | 3300, 1500, 1800 /*EMC6D100*/ |
| 151 | }; |
| 152 | #define SCALE(val,from,to) (((val)*(to) + ((from)/2))/(from)) |
| 153 | |
| 154 | #define INS_TO_REG(n,val) \ |
| 155 | SENSORS_LIMIT(SCALE(val,lm85_scaling[n],192),0,255) |
| 156 | |
| 157 | #define INSEXT_FROM_REG(n,val,ext,scale) \ |
| 158 | SCALE((val)*(scale) + (ext),192*(scale),lm85_scaling[n]) |
| 159 | |
| 160 | #define INS_FROM_REG(n,val) INSEXT_FROM_REG(n,val,0,1) |
| 161 | |
| 162 | /* FAN speed is measured using 90kHz clock */ |
| 163 | #define FAN_TO_REG(val) (SENSORS_LIMIT( (val)<=0?0: 5400000/(val),0,65534)) |
| 164 | #define FAN_FROM_REG(val) ((val)==0?-1:(val)==0xffff?0:5400000/(val)) |
| 165 | |
| 166 | /* Temperature is reported in .001 degC increments */ |
| 167 | #define TEMP_TO_REG(val) \ |
| 168 | SENSORS_LIMIT(SCALE(val,1000,1),-127,127) |
| 169 | #define TEMPEXT_FROM_REG(val,ext,scale) \ |
| 170 | SCALE((val)*scale + (ext),scale,1000) |
| 171 | #define TEMP_FROM_REG(val) \ |
| 172 | TEMPEXT_FROM_REG(val,0,1) |
| 173 | |
| 174 | #define PWM_TO_REG(val) (SENSORS_LIMIT(val,0,255)) |
| 175 | #define PWM_FROM_REG(val) (val) |
| 176 | |
| 177 | |
| 178 | /* ZONEs have the following parameters: |
| 179 | * Limit (low) temp, 1. degC |
| 180 | * Hysteresis (below limit), 1. degC (0-15) |
| 181 | * Range of speed control, .1 degC (2-80) |
| 182 | * Critical (high) temp, 1. degC |
| 183 | * |
| 184 | * FAN PWMs have the following parameters: |
| 185 | * Reference Zone, 1, 2, 3, etc. |
| 186 | * Spinup time, .05 sec |
| 187 | * PWM value at limit/low temp, 1 count |
| 188 | * PWM Frequency, 1. Hz |
| 189 | * PWM is Min or OFF below limit, flag |
| 190 | * Invert PWM output, flag |
| 191 | * |
| 192 | * Some chips filter the temp, others the fan. |
| 193 | * Filter constant (or disabled) .1 seconds |
| 194 | */ |
| 195 | |
| 196 | /* These are the zone temperature range encodings in .001 degree C */ |
| 197 | static int lm85_range_map[] = { |
| 198 | 2000, 2500, 3300, 4000, 5000, 6600, |
| 199 | 8000, 10000, 13300, 16000, 20000, 26600, |
| 200 | 32000, 40000, 53300, 80000 |
| 201 | }; |
| 202 | static int RANGE_TO_REG( int range ) |
| 203 | { |
| 204 | int i; |
| 205 | |
| 206 | if ( range < lm85_range_map[0] ) { |
| 207 | return 0 ; |
| 208 | } else if ( range > lm85_range_map[15] ) { |
| 209 | return 15 ; |
| 210 | } else { /* find closest match */ |
| 211 | for ( i = 14 ; i >= 0 ; --i ) { |
| 212 | if ( range > lm85_range_map[i] ) { /* range bracketed */ |
| 213 | if ((lm85_range_map[i+1] - range) < |
| 214 | (range - lm85_range_map[i])) { |
| 215 | i++; |
| 216 | break; |
| 217 | } |
| 218 | break; |
| 219 | } |
| 220 | } |
| 221 | } |
| 222 | return( i & 0x0f ); |
| 223 | } |
| 224 | #define RANGE_FROM_REG(val) (lm85_range_map[(val)&0x0f]) |
| 225 | |
| 226 | /* These are the Acoustic Enhancement, or Temperature smoothing encodings |
| 227 | * NOTE: The enable/disable bit is INCLUDED in these encodings as the |
| 228 | * MSB (bit 3, value 8). If the enable bit is 0, the encoded value |
| 229 | * is ignored, or set to 0. |
| 230 | */ |
| 231 | /* These are the PWM frequency encodings */ |
| 232 | static int lm85_freq_map[] = { /* .1 Hz */ |
| 233 | 100, 150, 230, 300, 380, 470, 620, 940 |
| 234 | }; |
| 235 | static int FREQ_TO_REG( int freq ) |
| 236 | { |
| 237 | int i; |
| 238 | |
| 239 | if( freq >= lm85_freq_map[7] ) { return 7 ; } |
| 240 | for( i = 0 ; i < 7 ; ++i ) |
| 241 | if( freq <= lm85_freq_map[i] ) |
| 242 | break ; |
| 243 | return( i & 0x07 ); |
| 244 | } |
| 245 | #define FREQ_FROM_REG(val) (lm85_freq_map[(val)&0x07]) |
| 246 | |
| 247 | /* Since we can't use strings, I'm abusing these numbers |
| 248 | * to stand in for the following meanings: |
| 249 | * 1 -- PWM responds to Zone 1 |
| 250 | * 2 -- PWM responds to Zone 2 |
| 251 | * 3 -- PWM responds to Zone 3 |
| 252 | * 23 -- PWM responds to the higher temp of Zone 2 or 3 |
| 253 | * 123 -- PWM responds to highest of Zone 1, 2, or 3 |
| 254 | * 0 -- PWM is always at 0% (ie, off) |
| 255 | * -1 -- PWM is always at 100% |
| 256 | * -2 -- PWM responds to manual control |
| 257 | */ |
| 258 | |
| 259 | static int lm85_zone_map[] = { 1, 2, 3, -1, 0, 23, 123, -2 }; |
| 260 | #define ZONE_FROM_REG(val) (lm85_zone_map[((val)>>5)&0x07]) |
| 261 | |
| 262 | static int ZONE_TO_REG( int zone ) |
| 263 | { |
| 264 | int i; |
| 265 | |
| 266 | for( i = 0 ; i <= 7 ; ++i ) |
| 267 | if( zone == lm85_zone_map[i] ) |
| 268 | break ; |
| 269 | if( i > 7 ) /* Not found. */ |
| 270 | i = 3; /* Always 100% */ |
| 271 | return( (i & 0x07)<<5 ); |
| 272 | } |
| 273 | |
| 274 | #define HYST_TO_REG(val) (SENSORS_LIMIT(((val)+500)/1000,0,15)) |
| 275 | #define HYST_FROM_REG(val) ((val)*1000) |
| 276 | |
| 277 | #define OFFSET_TO_REG(val) (SENSORS_LIMIT((val)/25,-127,127)) |
| 278 | #define OFFSET_FROM_REG(val) ((val)*25) |
| 279 | |
| 280 | #define PPR_MASK(fan) (0x03<<(fan *2)) |
| 281 | #define PPR_TO_REG(val,fan) (SENSORS_LIMIT((val)-1,0,3)<<(fan *2)) |
| 282 | #define PPR_FROM_REG(val,fan) ((((val)>>(fan * 2))&0x03)+1) |
| 283 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 284 | /* Chip sampling rates |
| 285 | * |
| 286 | * Some sensors are not updated more frequently than once per second |
| 287 | * so it doesn't make sense to read them more often than that. |
| 288 | * We cache the results and return the saved data if the driver |
| 289 | * is called again before a second has elapsed. |
| 290 | * |
| 291 | * Also, there is significant configuration data for this chip |
| 292 | * given the automatic PWM fan control that is possible. There |
| 293 | * are about 47 bytes of config data to only 22 bytes of actual |
| 294 | * readings. So, we keep the config data up to date in the cache |
| 295 | * when it is written and only sample it once every 1 *minute* |
| 296 | */ |
| 297 | #define LM85_DATA_INTERVAL (HZ + HZ / 2) |
| 298 | #define LM85_CONFIG_INTERVAL (1 * 60 * HZ) |
| 299 | |
| 300 | /* For each registered LM85, we need to keep some data in memory. That |
| 301 | data is pointed to by lm85_list[NR]->data. The structure itself is |
| 302 | dynamically allocated, at the same time when a new lm85 client is |
| 303 | allocated. */ |
| 304 | |
| 305 | /* LM85 can automatically adjust fan speeds based on temperature |
| 306 | * This structure encapsulates an entire Zone config. There are |
| 307 | * three zones (one for each temperature input) on the lm85 |
| 308 | */ |
| 309 | struct lm85_zone { |
| 310 | s8 limit; /* Low temp limit */ |
| 311 | u8 hyst; /* Low limit hysteresis. (0-15) */ |
| 312 | u8 range; /* Temp range, encoded */ |
| 313 | s8 critical; /* "All fans ON" temp limit */ |
| 314 | u8 off_desired; /* Actual "off" temperature specified. Preserved |
| 315 | * to prevent "drift" as other autofan control |
| 316 | * values change. |
| 317 | */ |
| 318 | u8 max_desired; /* Actual "max" temperature specified. Preserved |
| 319 | * to prevent "drift" as other autofan control |
| 320 | * values change. |
| 321 | */ |
| 322 | }; |
| 323 | |
| 324 | struct lm85_autofan { |
| 325 | u8 config; /* Register value */ |
| 326 | u8 freq; /* PWM frequency, encoded */ |
| 327 | u8 min_pwm; /* Minimum PWM value, encoded */ |
| 328 | u8 min_off; /* Min PWM or OFF below "limit", flag */ |
| 329 | }; |
| 330 | |
| 331 | struct lm85_data { |
| 332 | struct i2c_client client; |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 333 | struct class_device *class_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 334 | struct semaphore lock; |
| 335 | enum chips type; |
| 336 | |
| 337 | struct semaphore update_lock; |
| 338 | int valid; /* !=0 if following fields are valid */ |
| 339 | unsigned long last_reading; /* In jiffies */ |
| 340 | unsigned long last_config; /* In jiffies */ |
| 341 | |
| 342 | u8 in[8]; /* Register value */ |
| 343 | u8 in_max[8]; /* Register value */ |
| 344 | u8 in_min[8]; /* Register value */ |
| 345 | s8 temp[3]; /* Register value */ |
| 346 | s8 temp_min[3]; /* Register value */ |
| 347 | s8 temp_max[3]; /* Register value */ |
| 348 | s8 temp_offset[3]; /* Register value */ |
| 349 | u16 fan[4]; /* Register value */ |
| 350 | u16 fan_min[4]; /* Register value */ |
| 351 | u8 pwm[3]; /* Register value */ |
| 352 | u8 spinup_ctl; /* Register encoding, combined */ |
| 353 | u8 tach_mode; /* Register encoding, combined */ |
| 354 | u8 temp_ext[3]; /* Decoded values */ |
| 355 | u8 in_ext[8]; /* Decoded values */ |
| 356 | u8 adc_scale; /* ADC Extended bits scaling factor */ |
| 357 | u8 fan_ppr; /* Register value */ |
| 358 | u8 smooth[3]; /* Register encoding */ |
| 359 | u8 vid; /* Register value */ |
| 360 | u8 vrm; /* VRM version */ |
| 361 | u8 syncpwm3; /* Saved PWM3 for TACH 2,3,4 config */ |
| 362 | u8 oppoint[3]; /* Register value */ |
| 363 | u16 tmin_ctl; /* Register value */ |
| 364 | unsigned long therm_total; /* Cummulative therm count */ |
| 365 | u8 therm_limit; /* Register value */ |
| 366 | u32 alarms; /* Register encoding, combined */ |
| 367 | struct lm85_autofan autofan[3]; |
| 368 | struct lm85_zone zone[3]; |
| 369 | }; |
| 370 | |
| 371 | static int lm85_attach_adapter(struct i2c_adapter *adapter); |
| 372 | static int lm85_detect(struct i2c_adapter *adapter, int address, |
| 373 | int kind); |
| 374 | static int lm85_detach_client(struct i2c_client *client); |
| 375 | |
| 376 | static int lm85_read_value(struct i2c_client *client, u8 register); |
| 377 | static int lm85_write_value(struct i2c_client *client, u8 register, int value); |
| 378 | static struct lm85_data *lm85_update_device(struct device *dev); |
| 379 | static void lm85_init_client(struct i2c_client *client); |
| 380 | |
| 381 | |
| 382 | static struct i2c_driver lm85_driver = { |
Laurent Riffard | cdaf793 | 2005-11-26 20:37:41 +0100 | [diff] [blame^] | 383 | .driver = { |
| 384 | .owner = THIS_MODULE, |
| 385 | .name = "lm85", |
| 386 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 387 | .id = I2C_DRIVERID_LM85, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 388 | .attach_adapter = lm85_attach_adapter, |
| 389 | .detach_client = lm85_detach_client, |
| 390 | }; |
| 391 | |
| 392 | |
| 393 | /* 4 Fans */ |
| 394 | static ssize_t show_fan(struct device *dev, char *buf, int nr) |
| 395 | { |
| 396 | struct lm85_data *data = lm85_update_device(dev); |
| 397 | return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr]) ); |
| 398 | } |
| 399 | static ssize_t show_fan_min(struct device *dev, char *buf, int nr) |
| 400 | { |
| 401 | struct lm85_data *data = lm85_update_device(dev); |
| 402 | return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr]) ); |
| 403 | } |
| 404 | static ssize_t set_fan_min(struct device *dev, const char *buf, |
| 405 | size_t count, int nr) |
| 406 | { |
| 407 | struct i2c_client *client = to_i2c_client(dev); |
| 408 | struct lm85_data *data = i2c_get_clientdata(client); |
| 409 | long val = simple_strtol(buf, NULL, 10); |
| 410 | |
| 411 | down(&data->update_lock); |
| 412 | data->fan_min[nr] = FAN_TO_REG(val); |
| 413 | lm85_write_value(client, LM85_REG_FAN_MIN(nr), data->fan_min[nr]); |
| 414 | up(&data->update_lock); |
| 415 | return count; |
| 416 | } |
| 417 | |
| 418 | #define show_fan_offset(offset) \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 419 | 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] | 420 | { \ |
| 421 | return show_fan(dev, buf, offset - 1); \ |
| 422 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 423 | 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] | 424 | { \ |
| 425 | return show_fan_min(dev, buf, offset - 1); \ |
| 426 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 427 | 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] | 428 | const char *buf, size_t count) \ |
| 429 | { \ |
| 430 | return set_fan_min(dev, buf, count, offset - 1); \ |
| 431 | } \ |
| 432 | static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan_##offset, \ |
| 433 | NULL); \ |
| 434 | static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ |
| 435 | show_fan_##offset##_min, set_fan_##offset##_min); |
| 436 | |
| 437 | show_fan_offset(1); |
| 438 | show_fan_offset(2); |
| 439 | show_fan_offset(3); |
| 440 | show_fan_offset(4); |
| 441 | |
| 442 | /* vid, vrm, alarms */ |
| 443 | |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 444 | 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] | 445 | { |
| 446 | struct lm85_data *data = lm85_update_device(dev); |
Jean Delvare | 9c516ef | 2005-11-26 20:07:54 +0100 | [diff] [blame] | 447 | int vid; |
| 448 | |
| 449 | if (data->type == adt7463 && (data->vid & 0x80)) { |
| 450 | /* 6-pin VID (VRM 10) */ |
| 451 | vid = vid_from_reg(data->vid & 0x3f, data->vrm); |
| 452 | } else { |
| 453 | /* 5-pin VID (VRM 9) */ |
| 454 | vid = vid_from_reg(data->vid & 0x1f, data->vrm); |
| 455 | } |
| 456 | |
| 457 | return sprintf(buf, "%d\n", vid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 458 | } |
| 459 | |
| 460 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); |
| 461 | |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 462 | 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] | 463 | { |
| 464 | struct lm85_data *data = lm85_update_device(dev); |
| 465 | return sprintf(buf, "%ld\n", (long) data->vrm); |
| 466 | } |
| 467 | |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 468 | 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] | 469 | { |
| 470 | struct i2c_client *client = to_i2c_client(dev); |
| 471 | struct lm85_data *data = i2c_get_clientdata(client); |
| 472 | u32 val; |
| 473 | |
| 474 | val = simple_strtoul(buf, NULL, 10); |
| 475 | data->vrm = val; |
| 476 | return count; |
| 477 | } |
| 478 | |
| 479 | static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); |
| 480 | |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 481 | 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] | 482 | { |
| 483 | struct lm85_data *data = lm85_update_device(dev); |
Jean Delvare | 68188ba | 2005-05-16 18:52:38 +0200 | [diff] [blame] | 484 | return sprintf(buf, "%u\n", data->alarms); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 485 | } |
| 486 | |
| 487 | static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); |
| 488 | |
| 489 | /* pwm */ |
| 490 | |
| 491 | static ssize_t show_pwm(struct device *dev, char *buf, int nr) |
| 492 | { |
| 493 | struct lm85_data *data = lm85_update_device(dev); |
| 494 | return sprintf(buf,"%d\n", PWM_FROM_REG(data->pwm[nr]) ); |
| 495 | } |
| 496 | static ssize_t set_pwm(struct device *dev, const char *buf, |
| 497 | size_t count, int nr) |
| 498 | { |
| 499 | struct i2c_client *client = to_i2c_client(dev); |
| 500 | struct lm85_data *data = i2c_get_clientdata(client); |
| 501 | long val = simple_strtol(buf, NULL, 10); |
| 502 | |
| 503 | down(&data->update_lock); |
| 504 | data->pwm[nr] = PWM_TO_REG(val); |
| 505 | lm85_write_value(client, LM85_REG_PWM(nr), data->pwm[nr]); |
| 506 | up(&data->update_lock); |
| 507 | return count; |
| 508 | } |
| 509 | static ssize_t show_pwm_enable(struct device *dev, char *buf, int nr) |
| 510 | { |
| 511 | struct lm85_data *data = lm85_update_device(dev); |
| 512 | int pwm_zone; |
| 513 | |
| 514 | pwm_zone = ZONE_FROM_REG(data->autofan[nr].config); |
| 515 | return sprintf(buf,"%d\n", (pwm_zone != 0 && pwm_zone != -1) ); |
| 516 | } |
| 517 | |
| 518 | #define show_pwm_reg(offset) \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 519 | 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] | 520 | { \ |
| 521 | return show_pwm(dev, buf, offset - 1); \ |
| 522 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 523 | 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] | 524 | const char *buf, size_t count) \ |
| 525 | { \ |
| 526 | return set_pwm(dev, buf, count, offset - 1); \ |
| 527 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 528 | 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] | 529 | { \ |
| 530 | return show_pwm_enable(dev, buf, offset - 1); \ |
| 531 | } \ |
| 532 | static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ |
| 533 | show_pwm_##offset, set_pwm_##offset); \ |
| 534 | static DEVICE_ATTR(pwm##offset##_enable, S_IRUGO, \ |
| 535 | show_pwm_enable##offset, NULL); |
| 536 | |
| 537 | show_pwm_reg(1); |
| 538 | show_pwm_reg(2); |
| 539 | show_pwm_reg(3); |
| 540 | |
| 541 | /* Voltages */ |
| 542 | |
| 543 | static ssize_t show_in(struct device *dev, char *buf, int nr) |
| 544 | { |
| 545 | struct lm85_data *data = lm85_update_device(dev); |
| 546 | return sprintf( buf, "%d\n", INSEXT_FROM_REG(nr, |
| 547 | data->in[nr], |
| 548 | data->in_ext[nr], |
| 549 | data->adc_scale) ); |
| 550 | } |
| 551 | static ssize_t show_in_min(struct device *dev, char *buf, int nr) |
| 552 | { |
| 553 | struct lm85_data *data = lm85_update_device(dev); |
| 554 | return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_min[nr]) ); |
| 555 | } |
| 556 | static ssize_t set_in_min(struct device *dev, const char *buf, |
| 557 | size_t count, int nr) |
| 558 | { |
| 559 | struct i2c_client *client = to_i2c_client(dev); |
| 560 | struct lm85_data *data = i2c_get_clientdata(client); |
| 561 | long val = simple_strtol(buf, NULL, 10); |
| 562 | |
| 563 | down(&data->update_lock); |
| 564 | data->in_min[nr] = INS_TO_REG(nr, val); |
| 565 | lm85_write_value(client, LM85_REG_IN_MIN(nr), data->in_min[nr]); |
| 566 | up(&data->update_lock); |
| 567 | return count; |
| 568 | } |
| 569 | static ssize_t show_in_max(struct device *dev, char *buf, int nr) |
| 570 | { |
| 571 | struct lm85_data *data = lm85_update_device(dev); |
| 572 | return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_max[nr]) ); |
| 573 | } |
| 574 | static ssize_t set_in_max(struct device *dev, const char *buf, |
| 575 | size_t count, int nr) |
| 576 | { |
| 577 | struct i2c_client *client = to_i2c_client(dev); |
| 578 | struct lm85_data *data = i2c_get_clientdata(client); |
| 579 | long val = simple_strtol(buf, NULL, 10); |
| 580 | |
| 581 | down(&data->update_lock); |
| 582 | data->in_max[nr] = INS_TO_REG(nr, val); |
| 583 | lm85_write_value(client, LM85_REG_IN_MAX(nr), data->in_max[nr]); |
| 584 | up(&data->update_lock); |
| 585 | return count; |
| 586 | } |
| 587 | #define show_in_reg(offset) \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 588 | 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] | 589 | { \ |
| 590 | return show_in(dev, buf, offset); \ |
| 591 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 592 | 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] | 593 | { \ |
| 594 | return show_in_min(dev, buf, offset); \ |
| 595 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 596 | 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] | 597 | { \ |
| 598 | return show_in_max(dev, buf, offset); \ |
| 599 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 600 | 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] | 601 | const char *buf, size_t count) \ |
| 602 | { \ |
| 603 | return set_in_min(dev, buf, count, offset); \ |
| 604 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 605 | 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] | 606 | const char *buf, size_t count) \ |
| 607 | { \ |
| 608 | return set_in_max(dev, buf, count, offset); \ |
| 609 | } \ |
| 610 | static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in_##offset, \ |
| 611 | NULL); \ |
| 612 | static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ |
| 613 | show_in_##offset##_min, set_in_##offset##_min); \ |
| 614 | static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ |
| 615 | show_in_##offset##_max, set_in_##offset##_max); |
| 616 | |
| 617 | show_in_reg(0); |
| 618 | show_in_reg(1); |
| 619 | show_in_reg(2); |
| 620 | show_in_reg(3); |
| 621 | show_in_reg(4); |
| 622 | |
| 623 | /* Temps */ |
| 624 | |
| 625 | static ssize_t show_temp(struct device *dev, char *buf, int nr) |
| 626 | { |
| 627 | struct lm85_data *data = lm85_update_device(dev); |
| 628 | return sprintf(buf,"%d\n", TEMPEXT_FROM_REG(data->temp[nr], |
| 629 | data->temp_ext[nr], |
| 630 | data->adc_scale) ); |
| 631 | } |
| 632 | static ssize_t show_temp_min(struct device *dev, char *buf, int nr) |
| 633 | { |
| 634 | struct lm85_data *data = lm85_update_device(dev); |
| 635 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_min[nr]) ); |
| 636 | } |
| 637 | static ssize_t set_temp_min(struct device *dev, const char *buf, |
| 638 | size_t count, int nr) |
| 639 | { |
| 640 | struct i2c_client *client = to_i2c_client(dev); |
| 641 | struct lm85_data *data = i2c_get_clientdata(client); |
| 642 | long val = simple_strtol(buf, NULL, 10); |
| 643 | |
| 644 | down(&data->update_lock); |
| 645 | data->temp_min[nr] = TEMP_TO_REG(val); |
| 646 | lm85_write_value(client, LM85_REG_TEMP_MIN(nr), data->temp_min[nr]); |
| 647 | up(&data->update_lock); |
| 648 | return count; |
| 649 | } |
| 650 | static ssize_t show_temp_max(struct device *dev, char *buf, int nr) |
| 651 | { |
| 652 | struct lm85_data *data = lm85_update_device(dev); |
| 653 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_max[nr]) ); |
| 654 | } |
| 655 | static ssize_t set_temp_max(struct device *dev, const char *buf, |
| 656 | size_t count, int nr) |
| 657 | { |
| 658 | struct i2c_client *client = to_i2c_client(dev); |
| 659 | struct lm85_data *data = i2c_get_clientdata(client); |
| 660 | long val = simple_strtol(buf, NULL, 10); |
| 661 | |
| 662 | down(&data->update_lock); |
| 663 | data->temp_max[nr] = TEMP_TO_REG(val); |
| 664 | lm85_write_value(client, LM85_REG_TEMP_MAX(nr), data->temp_max[nr]); |
| 665 | up(&data->update_lock); |
| 666 | return count; |
| 667 | } |
| 668 | #define show_temp_reg(offset) \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 669 | 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] | 670 | { \ |
| 671 | return show_temp(dev, buf, offset - 1); \ |
| 672 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 673 | 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] | 674 | { \ |
| 675 | return show_temp_min(dev, buf, offset - 1); \ |
| 676 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 677 | 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] | 678 | { \ |
| 679 | return show_temp_max(dev, buf, offset - 1); \ |
| 680 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 681 | 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] | 682 | const char *buf, size_t count) \ |
| 683 | { \ |
| 684 | return set_temp_min(dev, buf, count, offset - 1); \ |
| 685 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 686 | 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] | 687 | const char *buf, size_t count) \ |
| 688 | { \ |
| 689 | return set_temp_max(dev, buf, count, offset - 1); \ |
| 690 | } \ |
| 691 | static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp_##offset, \ |
| 692 | NULL); \ |
| 693 | static DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \ |
| 694 | show_temp_##offset##_min, set_temp_##offset##_min); \ |
| 695 | static DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ |
| 696 | show_temp_##offset##_max, set_temp_##offset##_max); |
| 697 | |
| 698 | show_temp_reg(1); |
| 699 | show_temp_reg(2); |
| 700 | show_temp_reg(3); |
| 701 | |
| 702 | |
| 703 | /* Automatic PWM control */ |
| 704 | |
| 705 | static ssize_t show_pwm_auto_channels(struct device *dev, char *buf, int nr) |
| 706 | { |
| 707 | struct lm85_data *data = lm85_update_device(dev); |
| 708 | return sprintf(buf,"%d\n", ZONE_FROM_REG(data->autofan[nr].config)); |
| 709 | } |
| 710 | static ssize_t set_pwm_auto_channels(struct device *dev, const char *buf, |
| 711 | size_t count, int nr) |
| 712 | { |
| 713 | struct i2c_client *client = to_i2c_client(dev); |
| 714 | struct lm85_data *data = i2c_get_clientdata(client); |
| 715 | long val = simple_strtol(buf, NULL, 10); |
| 716 | |
| 717 | down(&data->update_lock); |
| 718 | data->autofan[nr].config = (data->autofan[nr].config & (~0xe0)) |
| 719 | | ZONE_TO_REG(val) ; |
| 720 | lm85_write_value(client, LM85_REG_AFAN_CONFIG(nr), |
| 721 | data->autofan[nr].config); |
| 722 | up(&data->update_lock); |
| 723 | return count; |
| 724 | } |
| 725 | static ssize_t show_pwm_auto_pwm_min(struct device *dev, char *buf, int nr) |
| 726 | { |
| 727 | struct lm85_data *data = lm85_update_device(dev); |
| 728 | return sprintf(buf,"%d\n", PWM_FROM_REG(data->autofan[nr].min_pwm)); |
| 729 | } |
| 730 | static ssize_t set_pwm_auto_pwm_min(struct device *dev, const char *buf, |
| 731 | size_t count, int nr) |
| 732 | { |
| 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 | |
| 737 | down(&data->update_lock); |
| 738 | data->autofan[nr].min_pwm = PWM_TO_REG(val); |
| 739 | lm85_write_value(client, LM85_REG_AFAN_MINPWM(nr), |
| 740 | data->autofan[nr].min_pwm); |
| 741 | up(&data->update_lock); |
| 742 | return count; |
| 743 | } |
| 744 | static ssize_t show_pwm_auto_pwm_minctl(struct device *dev, char *buf, int nr) |
| 745 | { |
| 746 | struct lm85_data *data = lm85_update_device(dev); |
| 747 | return sprintf(buf,"%d\n", data->autofan[nr].min_off); |
| 748 | } |
| 749 | static ssize_t set_pwm_auto_pwm_minctl(struct device *dev, const char *buf, |
| 750 | size_t count, int nr) |
| 751 | { |
| 752 | struct i2c_client *client = to_i2c_client(dev); |
| 753 | struct lm85_data *data = i2c_get_clientdata(client); |
| 754 | long val = simple_strtol(buf, NULL, 10); |
| 755 | |
| 756 | down(&data->update_lock); |
| 757 | data->autofan[nr].min_off = val; |
| 758 | lm85_write_value(client, LM85_REG_AFAN_SPIKE1, data->smooth[0] |
| 759 | | data->syncpwm3 |
| 760 | | (data->autofan[0].min_off ? 0x20 : 0) |
| 761 | | (data->autofan[1].min_off ? 0x40 : 0) |
| 762 | | (data->autofan[2].min_off ? 0x80 : 0) |
| 763 | ); |
| 764 | up(&data->update_lock); |
| 765 | return count; |
| 766 | } |
| 767 | static ssize_t show_pwm_auto_pwm_freq(struct device *dev, char *buf, int nr) |
| 768 | { |
| 769 | struct lm85_data *data = lm85_update_device(dev); |
| 770 | return sprintf(buf,"%d\n", FREQ_FROM_REG(data->autofan[nr].freq)); |
| 771 | } |
| 772 | static ssize_t set_pwm_auto_pwm_freq(struct device *dev, const char *buf, |
| 773 | size_t count, int nr) |
| 774 | { |
| 775 | struct i2c_client *client = to_i2c_client(dev); |
| 776 | struct lm85_data *data = i2c_get_clientdata(client); |
| 777 | long val = simple_strtol(buf, NULL, 10); |
| 778 | |
| 779 | down(&data->update_lock); |
| 780 | data->autofan[nr].freq = FREQ_TO_REG(val); |
| 781 | lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), |
| 782 | (data->zone[nr].range << 4) |
| 783 | | data->autofan[nr].freq |
| 784 | ); |
| 785 | up(&data->update_lock); |
| 786 | return count; |
| 787 | } |
| 788 | #define pwm_auto(offset) \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 789 | 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] | 790 | char *buf) \ |
| 791 | { \ |
| 792 | return show_pwm_auto_channels(dev, buf, offset - 1); \ |
| 793 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 794 | 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] | 795 | const char *buf, size_t count) \ |
| 796 | { \ |
| 797 | return set_pwm_auto_channels(dev, buf, count, offset - 1); \ |
| 798 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 799 | 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] | 800 | char *buf) \ |
| 801 | { \ |
| 802 | return show_pwm_auto_pwm_min(dev, buf, offset - 1); \ |
| 803 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 804 | 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] | 805 | const char *buf, size_t count) \ |
| 806 | { \ |
| 807 | return set_pwm_auto_pwm_min(dev, buf, count, offset - 1); \ |
| 808 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 809 | 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] | 810 | char *buf) \ |
| 811 | { \ |
| 812 | return show_pwm_auto_pwm_minctl(dev, buf, offset - 1); \ |
| 813 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 814 | 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] | 815 | const char *buf, size_t count) \ |
| 816 | { \ |
| 817 | return set_pwm_auto_pwm_minctl(dev, buf, count, offset - 1); \ |
| 818 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 819 | 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] | 820 | char *buf) \ |
| 821 | { \ |
| 822 | return show_pwm_auto_pwm_freq(dev, buf, offset - 1); \ |
| 823 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 824 | 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] | 825 | const char *buf, size_t count) \ |
| 826 | { \ |
| 827 | return set_pwm_auto_pwm_freq(dev, buf, count, offset - 1); \ |
| 828 | } \ |
| 829 | static DEVICE_ATTR(pwm##offset##_auto_channels, S_IRUGO | S_IWUSR, \ |
| 830 | show_pwm##offset##_auto_channels, \ |
| 831 | set_pwm##offset##_auto_channels); \ |
| 832 | static DEVICE_ATTR(pwm##offset##_auto_pwm_min, S_IRUGO | S_IWUSR, \ |
| 833 | show_pwm##offset##_auto_pwm_min, \ |
| 834 | set_pwm##offset##_auto_pwm_min); \ |
| 835 | static DEVICE_ATTR(pwm##offset##_auto_pwm_minctl, S_IRUGO | S_IWUSR, \ |
| 836 | show_pwm##offset##_auto_pwm_minctl, \ |
| 837 | set_pwm##offset##_auto_pwm_minctl); \ |
| 838 | static DEVICE_ATTR(pwm##offset##_auto_pwm_freq, S_IRUGO | S_IWUSR, \ |
| 839 | show_pwm##offset##_auto_pwm_freq, \ |
| 840 | set_pwm##offset##_auto_pwm_freq); |
| 841 | pwm_auto(1); |
| 842 | pwm_auto(2); |
| 843 | pwm_auto(3); |
| 844 | |
| 845 | /* Temperature settings for automatic PWM control */ |
| 846 | |
| 847 | static ssize_t show_temp_auto_temp_off(struct device *dev, char *buf, int nr) |
| 848 | { |
| 849 | struct lm85_data *data = lm85_update_device(dev); |
| 850 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) - |
| 851 | HYST_FROM_REG(data->zone[nr].hyst)); |
| 852 | } |
| 853 | static ssize_t set_temp_auto_temp_off(struct device *dev, const char *buf, |
| 854 | size_t count, int nr) |
| 855 | { |
| 856 | struct i2c_client *client = to_i2c_client(dev); |
| 857 | struct lm85_data *data = i2c_get_clientdata(client); |
| 858 | int min; |
| 859 | long val = simple_strtol(buf, NULL, 10); |
| 860 | |
| 861 | down(&data->update_lock); |
| 862 | min = TEMP_FROM_REG(data->zone[nr].limit); |
| 863 | data->zone[nr].off_desired = TEMP_TO_REG(val); |
| 864 | data->zone[nr].hyst = HYST_TO_REG(min - val); |
| 865 | if ( nr == 0 || nr == 1 ) { |
| 866 | lm85_write_value(client, LM85_REG_AFAN_HYST1, |
| 867 | (data->zone[0].hyst << 4) |
| 868 | | data->zone[1].hyst |
| 869 | ); |
| 870 | } else { |
| 871 | lm85_write_value(client, LM85_REG_AFAN_HYST2, |
| 872 | (data->zone[2].hyst << 4) |
| 873 | ); |
| 874 | } |
| 875 | up(&data->update_lock); |
| 876 | return count; |
| 877 | } |
| 878 | static ssize_t show_temp_auto_temp_min(struct device *dev, char *buf, int nr) |
| 879 | { |
| 880 | struct lm85_data *data = lm85_update_device(dev); |
| 881 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) ); |
| 882 | } |
| 883 | static ssize_t set_temp_auto_temp_min(struct device *dev, const char *buf, |
| 884 | size_t count, int nr) |
| 885 | { |
| 886 | struct i2c_client *client = to_i2c_client(dev); |
| 887 | struct lm85_data *data = i2c_get_clientdata(client); |
| 888 | long val = simple_strtol(buf, NULL, 10); |
| 889 | |
| 890 | down(&data->update_lock); |
| 891 | data->zone[nr].limit = TEMP_TO_REG(val); |
| 892 | lm85_write_value(client, LM85_REG_AFAN_LIMIT(nr), |
| 893 | data->zone[nr].limit); |
| 894 | |
| 895 | /* Update temp_auto_max and temp_auto_range */ |
| 896 | data->zone[nr].range = RANGE_TO_REG( |
| 897 | TEMP_FROM_REG(data->zone[nr].max_desired) - |
| 898 | TEMP_FROM_REG(data->zone[nr].limit)); |
| 899 | lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), |
| 900 | ((data->zone[nr].range & 0x0f) << 4) |
| 901 | | (data->autofan[nr].freq & 0x07)); |
| 902 | |
| 903 | /* Update temp_auto_hyst and temp_auto_off */ |
| 904 | data->zone[nr].hyst = HYST_TO_REG(TEMP_FROM_REG( |
| 905 | data->zone[nr].limit) - TEMP_FROM_REG( |
| 906 | data->zone[nr].off_desired)); |
| 907 | if ( nr == 0 || nr == 1 ) { |
| 908 | lm85_write_value(client, LM85_REG_AFAN_HYST1, |
| 909 | (data->zone[0].hyst << 4) |
| 910 | | data->zone[1].hyst |
| 911 | ); |
| 912 | } else { |
| 913 | lm85_write_value(client, LM85_REG_AFAN_HYST2, |
| 914 | (data->zone[2].hyst << 4) |
| 915 | ); |
| 916 | } |
| 917 | up(&data->update_lock); |
| 918 | return count; |
| 919 | } |
| 920 | static ssize_t show_temp_auto_temp_max(struct device *dev, char *buf, int nr) |
| 921 | { |
| 922 | struct lm85_data *data = lm85_update_device(dev); |
| 923 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) + |
| 924 | RANGE_FROM_REG(data->zone[nr].range)); |
| 925 | } |
| 926 | static ssize_t set_temp_auto_temp_max(struct device *dev, const char *buf, |
| 927 | size_t count, int nr) |
| 928 | { |
| 929 | struct i2c_client *client = to_i2c_client(dev); |
| 930 | struct lm85_data *data = i2c_get_clientdata(client); |
| 931 | int min; |
| 932 | long val = simple_strtol(buf, NULL, 10); |
| 933 | |
| 934 | down(&data->update_lock); |
| 935 | min = TEMP_FROM_REG(data->zone[nr].limit); |
| 936 | data->zone[nr].max_desired = TEMP_TO_REG(val); |
| 937 | data->zone[nr].range = RANGE_TO_REG( |
| 938 | val - min); |
| 939 | lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), |
| 940 | ((data->zone[nr].range & 0x0f) << 4) |
| 941 | | (data->autofan[nr].freq & 0x07)); |
| 942 | up(&data->update_lock); |
| 943 | return count; |
| 944 | } |
| 945 | static ssize_t show_temp_auto_temp_crit(struct device *dev, char *buf, int nr) |
| 946 | { |
| 947 | struct lm85_data *data = lm85_update_device(dev); |
| 948 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].critical)); |
| 949 | } |
| 950 | static ssize_t set_temp_auto_temp_crit(struct device *dev, const char *buf, |
| 951 | size_t count, int nr) |
| 952 | { |
| 953 | struct i2c_client *client = to_i2c_client(dev); |
| 954 | struct lm85_data *data = i2c_get_clientdata(client); |
| 955 | long val = simple_strtol(buf, NULL, 10); |
| 956 | |
| 957 | down(&data->update_lock); |
| 958 | data->zone[nr].critical = TEMP_TO_REG(val); |
| 959 | lm85_write_value(client, LM85_REG_AFAN_CRITICAL(nr), |
| 960 | data->zone[nr].critical); |
| 961 | up(&data->update_lock); |
| 962 | return count; |
| 963 | } |
| 964 | #define temp_auto(offset) \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 965 | 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] | 966 | char *buf) \ |
| 967 | { \ |
| 968 | return show_temp_auto_temp_off(dev, buf, offset - 1); \ |
| 969 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 970 | 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] | 971 | const char *buf, size_t count) \ |
| 972 | { \ |
| 973 | return set_temp_auto_temp_off(dev, buf, count, offset - 1); \ |
| 974 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 975 | 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] | 976 | char *buf) \ |
| 977 | { \ |
| 978 | return show_temp_auto_temp_min(dev, buf, offset - 1); \ |
| 979 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 980 | 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] | 981 | const char *buf, size_t count) \ |
| 982 | { \ |
| 983 | return set_temp_auto_temp_min(dev, buf, count, offset - 1); \ |
| 984 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 985 | 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] | 986 | char *buf) \ |
| 987 | { \ |
| 988 | return show_temp_auto_temp_max(dev, buf, offset - 1); \ |
| 989 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 990 | 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] | 991 | const char *buf, size_t count) \ |
| 992 | { \ |
| 993 | return set_temp_auto_temp_max(dev, buf, count, offset - 1); \ |
| 994 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 995 | 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] | 996 | char *buf) \ |
| 997 | { \ |
| 998 | return show_temp_auto_temp_crit(dev, buf, offset - 1); \ |
| 999 | } \ |
Yani Ioannou | 8627f9b | 2005-05-17 06:42:03 -0400 | [diff] [blame] | 1000 | 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] | 1001 | const char *buf, size_t count) \ |
| 1002 | { \ |
| 1003 | return set_temp_auto_temp_crit(dev, buf, count, offset - 1); \ |
| 1004 | } \ |
| 1005 | static DEVICE_ATTR(temp##offset##_auto_temp_off, S_IRUGO | S_IWUSR, \ |
| 1006 | show_temp##offset##_auto_temp_off, \ |
| 1007 | set_temp##offset##_auto_temp_off); \ |
| 1008 | static DEVICE_ATTR(temp##offset##_auto_temp_min, S_IRUGO | S_IWUSR, \ |
| 1009 | show_temp##offset##_auto_temp_min, \ |
| 1010 | set_temp##offset##_auto_temp_min); \ |
| 1011 | static DEVICE_ATTR(temp##offset##_auto_temp_max, S_IRUGO | S_IWUSR, \ |
| 1012 | show_temp##offset##_auto_temp_max, \ |
| 1013 | set_temp##offset##_auto_temp_max); \ |
| 1014 | static DEVICE_ATTR(temp##offset##_auto_temp_crit, S_IRUGO | S_IWUSR, \ |
| 1015 | show_temp##offset##_auto_temp_crit, \ |
| 1016 | set_temp##offset##_auto_temp_crit); |
| 1017 | temp_auto(1); |
| 1018 | temp_auto(2); |
| 1019 | temp_auto(3); |
| 1020 | |
Ben Dooks | d8d2061 | 2005-10-26 21:05:46 +0200 | [diff] [blame] | 1021 | static int lm85_attach_adapter(struct i2c_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1022 | { |
| 1023 | if (!(adapter->class & I2C_CLASS_HWMON)) |
| 1024 | return 0; |
Jean Delvare | 2ed2dc3 | 2005-07-31 21:42:02 +0200 | [diff] [blame] | 1025 | return i2c_probe(adapter, &addr_data, lm85_detect); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1026 | } |
| 1027 | |
Ben Dooks | d8d2061 | 2005-10-26 21:05:46 +0200 | [diff] [blame] | 1028 | static int lm85_detect(struct i2c_adapter *adapter, int address, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1029 | int kind) |
| 1030 | { |
| 1031 | int company, verstep ; |
| 1032 | struct i2c_client *new_client = NULL; |
| 1033 | struct lm85_data *data; |
| 1034 | int err = 0; |
| 1035 | const char *type_name = ""; |
| 1036 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1037 | if (!i2c_check_functionality(adapter, |
| 1038 | I2C_FUNC_SMBUS_BYTE_DATA)) { |
| 1039 | /* We need to be able to do byte I/O */ |
| 1040 | goto ERROR0 ; |
| 1041 | }; |
| 1042 | |
| 1043 | /* OK. For now, we presume we have a valid client. We now create the |
| 1044 | client structure, even though we cannot fill it completely yet. |
| 1045 | But it allows us to access lm85_{read,write}_value. */ |
| 1046 | |
Deepak Saxena | ba9c2e8 | 2005-10-17 23:08:32 +0200 | [diff] [blame] | 1047 | if (!(data = kzalloc(sizeof(struct lm85_data), GFP_KERNEL))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1048 | err = -ENOMEM; |
| 1049 | goto ERROR0; |
| 1050 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1051 | |
| 1052 | new_client = &data->client; |
| 1053 | i2c_set_clientdata(new_client, data); |
| 1054 | new_client->addr = address; |
| 1055 | new_client->adapter = adapter; |
| 1056 | new_client->driver = &lm85_driver; |
| 1057 | new_client->flags = 0; |
| 1058 | |
| 1059 | /* Now, we do the remaining detection. */ |
| 1060 | |
| 1061 | company = lm85_read_value(new_client, LM85_REG_COMPANY); |
| 1062 | verstep = lm85_read_value(new_client, LM85_REG_VERSTEP); |
| 1063 | |
| 1064 | dev_dbg(&adapter->dev, "Detecting device at %d,0x%02x with" |
| 1065 | " COMPANY: 0x%02x and VERSTEP: 0x%02x\n", |
| 1066 | i2c_adapter_id(new_client->adapter), new_client->addr, |
| 1067 | company, verstep); |
| 1068 | |
| 1069 | /* If auto-detecting, Determine the chip type. */ |
| 1070 | if (kind <= 0) { |
| 1071 | dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x ...\n", |
| 1072 | i2c_adapter_id(adapter), address ); |
| 1073 | if( company == LM85_COMPANY_NATIONAL |
| 1074 | && verstep == LM85_VERSTEP_LM85C ) { |
| 1075 | kind = lm85c ; |
| 1076 | } else if( company == LM85_COMPANY_NATIONAL |
| 1077 | && verstep == LM85_VERSTEP_LM85B ) { |
| 1078 | kind = lm85b ; |
| 1079 | } else if( company == LM85_COMPANY_NATIONAL |
| 1080 | && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC ) { |
| 1081 | dev_err(&adapter->dev, "Unrecognized version/stepping 0x%02x" |
| 1082 | " Defaulting to LM85.\n", verstep); |
| 1083 | kind = any_chip ; |
| 1084 | } else if( company == LM85_COMPANY_ANALOG_DEV |
| 1085 | && verstep == LM85_VERSTEP_ADM1027 ) { |
| 1086 | kind = adm1027 ; |
| 1087 | } else if( company == LM85_COMPANY_ANALOG_DEV |
| 1088 | && (verstep == LM85_VERSTEP_ADT7463 |
| 1089 | || verstep == LM85_VERSTEP_ADT7463C) ) { |
| 1090 | kind = adt7463 ; |
| 1091 | } else if( company == LM85_COMPANY_ANALOG_DEV |
| 1092 | && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC ) { |
| 1093 | dev_err(&adapter->dev, "Unrecognized version/stepping 0x%02x" |
| 1094 | " Defaulting to Generic LM85.\n", verstep ); |
| 1095 | kind = any_chip ; |
| 1096 | } else if( company == LM85_COMPANY_SMSC |
| 1097 | && (verstep == LM85_VERSTEP_EMC6D100_A0 |
| 1098 | || verstep == LM85_VERSTEP_EMC6D100_A1) ) { |
| 1099 | /* Unfortunately, we can't tell a '100 from a '101 |
| 1100 | * from the registers. Since a '101 is a '100 |
| 1101 | * in a package with fewer pins and therefore no |
| 1102 | * 3.3V, 1.5V or 1.8V inputs, perhaps if those |
| 1103 | * inputs read 0, then it's a '101. |
| 1104 | */ |
| 1105 | kind = emc6d100 ; |
| 1106 | } else if( company == LM85_COMPANY_SMSC |
| 1107 | && verstep == LM85_VERSTEP_EMC6D102) { |
| 1108 | kind = emc6d102 ; |
| 1109 | } else if( company == LM85_COMPANY_SMSC |
| 1110 | && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) { |
| 1111 | dev_err(&adapter->dev, "lm85: Detected SMSC chip\n"); |
| 1112 | dev_err(&adapter->dev, "lm85: Unrecognized version/stepping 0x%02x" |
| 1113 | " Defaulting to Generic LM85.\n", verstep ); |
| 1114 | kind = any_chip ; |
| 1115 | } else if( kind == any_chip |
| 1116 | && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) { |
| 1117 | dev_err(&adapter->dev, "Generic LM85 Version 6 detected\n"); |
| 1118 | /* Leave kind as "any_chip" */ |
| 1119 | } else { |
| 1120 | dev_dbg(&adapter->dev, "Autodetection failed\n"); |
| 1121 | /* Not an LM85 ... */ |
| 1122 | if( kind == any_chip ) { /* User used force=x,y */ |
| 1123 | dev_err(&adapter->dev, "Generic LM85 Version 6 not" |
| 1124 | " found at %d,0x%02x. Try force_lm85c.\n", |
| 1125 | i2c_adapter_id(adapter), address ); |
| 1126 | } |
| 1127 | err = 0 ; |
| 1128 | goto ERROR1; |
| 1129 | } |
| 1130 | } |
| 1131 | |
| 1132 | /* Fill in the chip specific driver values */ |
| 1133 | if ( kind == any_chip ) { |
| 1134 | type_name = "lm85"; |
| 1135 | } else if ( kind == lm85b ) { |
| 1136 | type_name = "lm85b"; |
| 1137 | } else if ( kind == lm85c ) { |
| 1138 | type_name = "lm85c"; |
| 1139 | } else if ( kind == adm1027 ) { |
| 1140 | type_name = "adm1027"; |
| 1141 | } else if ( kind == adt7463 ) { |
| 1142 | type_name = "adt7463"; |
| 1143 | } else if ( kind == emc6d100){ |
| 1144 | type_name = "emc6d100"; |
| 1145 | } else if ( kind == emc6d102 ) { |
| 1146 | type_name = "emc6d102"; |
| 1147 | } |
| 1148 | strlcpy(new_client->name, type_name, I2C_NAME_SIZE); |
| 1149 | |
| 1150 | /* Fill in the remaining client fields */ |
| 1151 | data->type = kind; |
| 1152 | data->valid = 0; |
| 1153 | init_MUTEX(&data->update_lock); |
| 1154 | |
| 1155 | /* Tell the I2C layer a new client has arrived */ |
| 1156 | if ((err = i2c_attach_client(new_client))) |
| 1157 | goto ERROR1; |
| 1158 | |
| 1159 | /* Set the VRM version */ |
Jean Delvare | 303760b | 2005-07-31 21:52:01 +0200 | [diff] [blame] | 1160 | data->vrm = vid_which_vrm(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1161 | |
| 1162 | /* Initialize the LM85 chip */ |
| 1163 | lm85_init_client(new_client); |
| 1164 | |
| 1165 | /* Register sysfs hooks */ |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1166 | data->class_dev = hwmon_device_register(&new_client->dev); |
| 1167 | if (IS_ERR(data->class_dev)) { |
| 1168 | err = PTR_ERR(data->class_dev); |
| 1169 | goto ERROR2; |
| 1170 | } |
| 1171 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1172 | device_create_file(&new_client->dev, &dev_attr_fan1_input); |
| 1173 | device_create_file(&new_client->dev, &dev_attr_fan2_input); |
| 1174 | device_create_file(&new_client->dev, &dev_attr_fan3_input); |
| 1175 | device_create_file(&new_client->dev, &dev_attr_fan4_input); |
| 1176 | device_create_file(&new_client->dev, &dev_attr_fan1_min); |
| 1177 | device_create_file(&new_client->dev, &dev_attr_fan2_min); |
| 1178 | device_create_file(&new_client->dev, &dev_attr_fan3_min); |
| 1179 | device_create_file(&new_client->dev, &dev_attr_fan4_min); |
| 1180 | device_create_file(&new_client->dev, &dev_attr_pwm1); |
| 1181 | device_create_file(&new_client->dev, &dev_attr_pwm2); |
| 1182 | device_create_file(&new_client->dev, &dev_attr_pwm3); |
| 1183 | device_create_file(&new_client->dev, &dev_attr_pwm1_enable); |
| 1184 | device_create_file(&new_client->dev, &dev_attr_pwm2_enable); |
| 1185 | device_create_file(&new_client->dev, &dev_attr_pwm3_enable); |
| 1186 | device_create_file(&new_client->dev, &dev_attr_in0_input); |
| 1187 | device_create_file(&new_client->dev, &dev_attr_in1_input); |
| 1188 | device_create_file(&new_client->dev, &dev_attr_in2_input); |
| 1189 | device_create_file(&new_client->dev, &dev_attr_in3_input); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1190 | device_create_file(&new_client->dev, &dev_attr_in0_min); |
| 1191 | device_create_file(&new_client->dev, &dev_attr_in1_min); |
| 1192 | device_create_file(&new_client->dev, &dev_attr_in2_min); |
| 1193 | device_create_file(&new_client->dev, &dev_attr_in3_min); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1194 | device_create_file(&new_client->dev, &dev_attr_in0_max); |
| 1195 | device_create_file(&new_client->dev, &dev_attr_in1_max); |
| 1196 | device_create_file(&new_client->dev, &dev_attr_in2_max); |
| 1197 | device_create_file(&new_client->dev, &dev_attr_in3_max); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1198 | device_create_file(&new_client->dev, &dev_attr_temp1_input); |
| 1199 | device_create_file(&new_client->dev, &dev_attr_temp2_input); |
| 1200 | device_create_file(&new_client->dev, &dev_attr_temp3_input); |
| 1201 | device_create_file(&new_client->dev, &dev_attr_temp1_min); |
| 1202 | device_create_file(&new_client->dev, &dev_attr_temp2_min); |
| 1203 | device_create_file(&new_client->dev, &dev_attr_temp3_min); |
| 1204 | device_create_file(&new_client->dev, &dev_attr_temp1_max); |
| 1205 | device_create_file(&new_client->dev, &dev_attr_temp2_max); |
| 1206 | device_create_file(&new_client->dev, &dev_attr_temp3_max); |
| 1207 | device_create_file(&new_client->dev, &dev_attr_vrm); |
| 1208 | device_create_file(&new_client->dev, &dev_attr_cpu0_vid); |
| 1209 | device_create_file(&new_client->dev, &dev_attr_alarms); |
| 1210 | device_create_file(&new_client->dev, &dev_attr_pwm1_auto_channels); |
| 1211 | device_create_file(&new_client->dev, &dev_attr_pwm2_auto_channels); |
| 1212 | device_create_file(&new_client->dev, &dev_attr_pwm3_auto_channels); |
| 1213 | device_create_file(&new_client->dev, &dev_attr_pwm1_auto_pwm_min); |
| 1214 | device_create_file(&new_client->dev, &dev_attr_pwm2_auto_pwm_min); |
| 1215 | device_create_file(&new_client->dev, &dev_attr_pwm3_auto_pwm_min); |
| 1216 | device_create_file(&new_client->dev, &dev_attr_pwm1_auto_pwm_minctl); |
| 1217 | device_create_file(&new_client->dev, &dev_attr_pwm2_auto_pwm_minctl); |
| 1218 | device_create_file(&new_client->dev, &dev_attr_pwm3_auto_pwm_minctl); |
| 1219 | device_create_file(&new_client->dev, &dev_attr_pwm1_auto_pwm_freq); |
| 1220 | device_create_file(&new_client->dev, &dev_attr_pwm2_auto_pwm_freq); |
| 1221 | device_create_file(&new_client->dev, &dev_attr_pwm3_auto_pwm_freq); |
| 1222 | device_create_file(&new_client->dev, &dev_attr_temp1_auto_temp_off); |
| 1223 | device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_off); |
| 1224 | device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_off); |
| 1225 | device_create_file(&new_client->dev, &dev_attr_temp1_auto_temp_min); |
| 1226 | device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_min); |
| 1227 | device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_min); |
| 1228 | device_create_file(&new_client->dev, &dev_attr_temp1_auto_temp_max); |
| 1229 | device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_max); |
| 1230 | device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_max); |
| 1231 | device_create_file(&new_client->dev, &dev_attr_temp1_auto_temp_crit); |
| 1232 | device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_crit); |
| 1233 | device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_crit); |
| 1234 | |
Jean Delvare | 9c516ef | 2005-11-26 20:07:54 +0100 | [diff] [blame] | 1235 | /* The ADT7463 has an optional VRM 10 mode where pin 21 is used |
| 1236 | as a sixth digital VID input rather than an analog input. */ |
| 1237 | data->vid = lm85_read_value(new_client, LM85_REG_VID); |
| 1238 | if (!(kind == adt7463 && (data->vid & 0x80))) { |
| 1239 | device_create_file(&new_client->dev, &dev_attr_in4_input); |
| 1240 | device_create_file(&new_client->dev, &dev_attr_in4_min); |
| 1241 | device_create_file(&new_client->dev, &dev_attr_in4_max); |
| 1242 | } |
| 1243 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1244 | return 0; |
| 1245 | |
| 1246 | /* Error out and cleanup code */ |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1247 | ERROR2: |
| 1248 | i2c_detach_client(new_client); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1249 | ERROR1: |
| 1250 | kfree(data); |
| 1251 | ERROR0: |
| 1252 | return err; |
| 1253 | } |
| 1254 | |
Ben Dooks | d8d2061 | 2005-10-26 21:05:46 +0200 | [diff] [blame] | 1255 | static int lm85_detach_client(struct i2c_client *client) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1256 | { |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1257 | struct lm85_data *data = i2c_get_clientdata(client); |
| 1258 | hwmon_device_unregister(data->class_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1259 | i2c_detach_client(client); |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1260 | kfree(data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1261 | return 0; |
| 1262 | } |
| 1263 | |
| 1264 | |
Ben Dooks | d8d2061 | 2005-10-26 21:05:46 +0200 | [diff] [blame] | 1265 | static int lm85_read_value(struct i2c_client *client, u8 reg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1266 | { |
| 1267 | int res; |
| 1268 | |
| 1269 | /* What size location is it? */ |
| 1270 | switch( reg ) { |
| 1271 | case LM85_REG_FAN(0) : /* Read WORD data */ |
| 1272 | case LM85_REG_FAN(1) : |
| 1273 | case LM85_REG_FAN(2) : |
| 1274 | case LM85_REG_FAN(3) : |
| 1275 | case LM85_REG_FAN_MIN(0) : |
| 1276 | case LM85_REG_FAN_MIN(1) : |
| 1277 | case LM85_REG_FAN_MIN(2) : |
| 1278 | case LM85_REG_FAN_MIN(3) : |
| 1279 | case LM85_REG_ALARM1 : /* Read both bytes at once */ |
| 1280 | res = i2c_smbus_read_byte_data(client, reg) & 0xff ; |
| 1281 | res |= i2c_smbus_read_byte_data(client, reg+1) << 8 ; |
| 1282 | break ; |
| 1283 | case ADT7463_REG_TMIN_CTL1 : /* Read WORD MSB, LSB */ |
| 1284 | res = i2c_smbus_read_byte_data(client, reg) << 8 ; |
| 1285 | res |= i2c_smbus_read_byte_data(client, reg+1) & 0xff ; |
| 1286 | break ; |
| 1287 | default: /* Read BYTE data */ |
| 1288 | res = i2c_smbus_read_byte_data(client, reg); |
| 1289 | break ; |
| 1290 | } |
| 1291 | |
| 1292 | return res ; |
| 1293 | } |
| 1294 | |
Ben Dooks | d8d2061 | 2005-10-26 21:05:46 +0200 | [diff] [blame] | 1295 | 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] | 1296 | { |
| 1297 | int res ; |
| 1298 | |
| 1299 | switch( reg ) { |
| 1300 | case LM85_REG_FAN(0) : /* Write WORD data */ |
| 1301 | case LM85_REG_FAN(1) : |
| 1302 | case LM85_REG_FAN(2) : |
| 1303 | case LM85_REG_FAN(3) : |
| 1304 | case LM85_REG_FAN_MIN(0) : |
| 1305 | case LM85_REG_FAN_MIN(1) : |
| 1306 | case LM85_REG_FAN_MIN(2) : |
| 1307 | case LM85_REG_FAN_MIN(3) : |
| 1308 | /* NOTE: ALARM is read only, so not included here */ |
| 1309 | res = i2c_smbus_write_byte_data(client, reg, value & 0xff) ; |
| 1310 | res |= i2c_smbus_write_byte_data(client, reg+1, (value>>8) & 0xff) ; |
| 1311 | break ; |
| 1312 | case ADT7463_REG_TMIN_CTL1 : /* Write WORD MSB, LSB */ |
| 1313 | res = i2c_smbus_write_byte_data(client, reg, (value>>8) & 0xff); |
| 1314 | res |= i2c_smbus_write_byte_data(client, reg+1, value & 0xff) ; |
| 1315 | break ; |
| 1316 | default: /* Write BYTE data */ |
| 1317 | res = i2c_smbus_write_byte_data(client, reg, value); |
| 1318 | break ; |
| 1319 | } |
| 1320 | |
| 1321 | return res ; |
| 1322 | } |
| 1323 | |
Ben Dooks | d8d2061 | 2005-10-26 21:05:46 +0200 | [diff] [blame] | 1324 | static void lm85_init_client(struct i2c_client *client) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1325 | { |
| 1326 | int value; |
| 1327 | struct lm85_data *data = i2c_get_clientdata(client); |
| 1328 | |
| 1329 | dev_dbg(&client->dev, "Initializing device\n"); |
| 1330 | |
| 1331 | /* Warn if part was not "READY" */ |
| 1332 | value = lm85_read_value(client, LM85_REG_CONFIG); |
| 1333 | dev_dbg(&client->dev, "LM85_REG_CONFIG is: 0x%02x\n", value); |
| 1334 | if( value & 0x02 ) { |
| 1335 | dev_err(&client->dev, "Client (%d,0x%02x) config is locked.\n", |
| 1336 | i2c_adapter_id(client->adapter), client->addr ); |
| 1337 | }; |
| 1338 | if( ! (value & 0x04) ) { |
| 1339 | dev_err(&client->dev, "Client (%d,0x%02x) is not ready.\n", |
| 1340 | i2c_adapter_id(client->adapter), client->addr ); |
| 1341 | }; |
| 1342 | if( value & 0x10 |
| 1343 | && ( data->type == adm1027 |
| 1344 | || data->type == adt7463 ) ) { |
| 1345 | dev_err(&client->dev, "Client (%d,0x%02x) VxI mode is set. " |
| 1346 | "Please report this to the lm85 maintainer.\n", |
| 1347 | i2c_adapter_id(client->adapter), client->addr ); |
| 1348 | }; |
| 1349 | |
| 1350 | /* WE INTENTIONALLY make no changes to the limits, |
| 1351 | * offsets, pwms, fans and zones. If they were |
| 1352 | * configured, we don't want to mess with them. |
| 1353 | * If they weren't, the default is 100% PWM, no |
| 1354 | * control and will suffice until 'sensors -s' |
| 1355 | * can be run by the user. |
| 1356 | */ |
| 1357 | |
| 1358 | /* Start monitoring */ |
| 1359 | value = lm85_read_value(client, LM85_REG_CONFIG); |
| 1360 | /* Try to clear LOCK, Set START, save everything else */ |
| 1361 | value = (value & ~ 0x02) | 0x01 ; |
| 1362 | dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value); |
| 1363 | lm85_write_value(client, LM85_REG_CONFIG, value); |
| 1364 | } |
| 1365 | |
| 1366 | static struct lm85_data *lm85_update_device(struct device *dev) |
| 1367 | { |
| 1368 | struct i2c_client *client = to_i2c_client(dev); |
| 1369 | struct lm85_data *data = i2c_get_clientdata(client); |
| 1370 | int i; |
| 1371 | |
| 1372 | down(&data->update_lock); |
| 1373 | |
| 1374 | if ( !data->valid || |
| 1375 | time_after(jiffies, data->last_reading + LM85_DATA_INTERVAL) ) { |
| 1376 | /* Things that change quickly */ |
| 1377 | dev_dbg(&client->dev, "Reading sensor values\n"); |
| 1378 | |
| 1379 | /* Have to read extended bits first to "freeze" the |
| 1380 | * more significant bits that are read later. |
| 1381 | */ |
| 1382 | if ( (data->type == adm1027) || (data->type == adt7463) ) { |
| 1383 | int ext1 = lm85_read_value(client, |
| 1384 | ADM1027_REG_EXTEND_ADC1); |
| 1385 | int ext2 = lm85_read_value(client, |
| 1386 | ADM1027_REG_EXTEND_ADC2); |
| 1387 | int val = (ext1 << 8) + ext2; |
| 1388 | |
| 1389 | for(i = 0; i <= 4; i++) |
| 1390 | data->in_ext[i] = (val>>(i * 2))&0x03; |
| 1391 | |
| 1392 | for(i = 0; i <= 2; i++) |
| 1393 | data->temp_ext[i] = (val>>((i + 5) * 2))&0x03; |
| 1394 | } |
| 1395 | |
| 1396 | /* adc_scale is 2^(number of LSBs). There are 4 extra bits in |
| 1397 | the emc6d102 and 2 in the adt7463 and adm1027. In all |
| 1398 | other chips ext is always 0 and the value of scale is |
| 1399 | irrelevant. So it is left in 4*/ |
| 1400 | data->adc_scale = (data->type == emc6d102 ) ? 16 : 4; |
| 1401 | |
Jean Delvare | 9c516ef | 2005-11-26 20:07:54 +0100 | [diff] [blame] | 1402 | data->vid = lm85_read_value(client, LM85_REG_VID); |
| 1403 | |
| 1404 | for (i = 0; i <= 3; ++i) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1405 | data->in[i] = |
| 1406 | lm85_read_value(client, LM85_REG_IN(i)); |
| 1407 | } |
| 1408 | |
Jean Delvare | 9c516ef | 2005-11-26 20:07:54 +0100 | [diff] [blame] | 1409 | if (!(data->type == adt7463 && (data->vid & 0x80))) { |
| 1410 | data->in[4] = lm85_read_value(client, |
| 1411 | LM85_REG_IN(4)); |
| 1412 | } |
| 1413 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1414 | for (i = 0; i <= 3; ++i) { |
| 1415 | data->fan[i] = |
| 1416 | lm85_read_value(client, LM85_REG_FAN(i)); |
| 1417 | } |
| 1418 | |
| 1419 | for (i = 0; i <= 2; ++i) { |
| 1420 | data->temp[i] = |
| 1421 | lm85_read_value(client, LM85_REG_TEMP(i)); |
| 1422 | } |
| 1423 | |
| 1424 | for (i = 0; i <= 2; ++i) { |
| 1425 | data->pwm[i] = |
| 1426 | lm85_read_value(client, LM85_REG_PWM(i)); |
| 1427 | } |
| 1428 | |
| 1429 | data->alarms = lm85_read_value(client, LM85_REG_ALARM1); |
| 1430 | |
| 1431 | if ( data->type == adt7463 ) { |
| 1432 | if( data->therm_total < ULONG_MAX - 256 ) { |
| 1433 | data->therm_total += |
| 1434 | lm85_read_value(client, ADT7463_REG_THERM ); |
| 1435 | } |
| 1436 | } else if ( data->type == emc6d100 ) { |
| 1437 | /* Three more voltage sensors */ |
| 1438 | for (i = 5; i <= 7; ++i) { |
| 1439 | data->in[i] = |
| 1440 | lm85_read_value(client, EMC6D100_REG_IN(i)); |
| 1441 | } |
| 1442 | /* More alarm bits */ |
| 1443 | data->alarms |= |
| 1444 | lm85_read_value(client, EMC6D100_REG_ALARM3) << 16; |
| 1445 | } else if (data->type == emc6d102 ) { |
| 1446 | /* Have to read LSB bits after the MSB ones because |
| 1447 | the reading of the MSB bits has frozen the |
| 1448 | LSBs (backward from the ADM1027). |
| 1449 | */ |
| 1450 | int ext1 = lm85_read_value(client, |
| 1451 | EMC6D102_REG_EXTEND_ADC1); |
| 1452 | int ext2 = lm85_read_value(client, |
| 1453 | EMC6D102_REG_EXTEND_ADC2); |
| 1454 | int ext3 = lm85_read_value(client, |
| 1455 | EMC6D102_REG_EXTEND_ADC3); |
| 1456 | int ext4 = lm85_read_value(client, |
| 1457 | EMC6D102_REG_EXTEND_ADC4); |
| 1458 | data->in_ext[0] = ext3 & 0x0f; |
| 1459 | data->in_ext[1] = ext4 & 0x0f; |
| 1460 | data->in_ext[2] = (ext4 >> 4) & 0x0f; |
| 1461 | data->in_ext[3] = (ext3 >> 4) & 0x0f; |
| 1462 | data->in_ext[4] = (ext2 >> 4) & 0x0f; |
| 1463 | |
| 1464 | data->temp_ext[0] = ext1 & 0x0f; |
| 1465 | data->temp_ext[1] = ext2 & 0x0f; |
| 1466 | data->temp_ext[2] = (ext1 >> 4) & 0x0f; |
| 1467 | } |
| 1468 | |
| 1469 | data->last_reading = jiffies ; |
| 1470 | }; /* last_reading */ |
| 1471 | |
| 1472 | if ( !data->valid || |
| 1473 | time_after(jiffies, data->last_config + LM85_CONFIG_INTERVAL) ) { |
| 1474 | /* Things that don't change often */ |
| 1475 | dev_dbg(&client->dev, "Reading config values\n"); |
| 1476 | |
Jean Delvare | 9c516ef | 2005-11-26 20:07:54 +0100 | [diff] [blame] | 1477 | for (i = 0; i <= 3; ++i) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1478 | data->in_min[i] = |
| 1479 | lm85_read_value(client, LM85_REG_IN_MIN(i)); |
| 1480 | data->in_max[i] = |
| 1481 | lm85_read_value(client, LM85_REG_IN_MAX(i)); |
| 1482 | } |
| 1483 | |
Jean Delvare | 9c516ef | 2005-11-26 20:07:54 +0100 | [diff] [blame] | 1484 | if (!(data->type == adt7463 && (data->vid & 0x80))) { |
| 1485 | data->in_min[4] = lm85_read_value(client, |
| 1486 | LM85_REG_IN_MIN(4)); |
| 1487 | data->in_max[4] = lm85_read_value(client, |
| 1488 | LM85_REG_IN_MAX(4)); |
| 1489 | } |
| 1490 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1491 | if ( data->type == emc6d100 ) { |
| 1492 | for (i = 5; i <= 7; ++i) { |
| 1493 | data->in_min[i] = |
| 1494 | lm85_read_value(client, EMC6D100_REG_IN_MIN(i)); |
| 1495 | data->in_max[i] = |
| 1496 | lm85_read_value(client, EMC6D100_REG_IN_MAX(i)); |
| 1497 | } |
| 1498 | } |
| 1499 | |
| 1500 | for (i = 0; i <= 3; ++i) { |
| 1501 | data->fan_min[i] = |
| 1502 | lm85_read_value(client, LM85_REG_FAN_MIN(i)); |
| 1503 | } |
| 1504 | |
| 1505 | for (i = 0; i <= 2; ++i) { |
| 1506 | data->temp_min[i] = |
| 1507 | lm85_read_value(client, LM85_REG_TEMP_MIN(i)); |
| 1508 | data->temp_max[i] = |
| 1509 | lm85_read_value(client, LM85_REG_TEMP_MAX(i)); |
| 1510 | } |
| 1511 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1512 | for (i = 0; i <= 2; ++i) { |
| 1513 | int val ; |
| 1514 | data->autofan[i].config = |
| 1515 | lm85_read_value(client, LM85_REG_AFAN_CONFIG(i)); |
| 1516 | val = lm85_read_value(client, LM85_REG_AFAN_RANGE(i)); |
| 1517 | data->autofan[i].freq = val & 0x07 ; |
| 1518 | data->zone[i].range = (val >> 4) & 0x0f ; |
| 1519 | data->autofan[i].min_pwm = |
| 1520 | lm85_read_value(client, LM85_REG_AFAN_MINPWM(i)); |
| 1521 | data->zone[i].limit = |
| 1522 | lm85_read_value(client, LM85_REG_AFAN_LIMIT(i)); |
| 1523 | data->zone[i].critical = |
| 1524 | lm85_read_value(client, LM85_REG_AFAN_CRITICAL(i)); |
| 1525 | } |
| 1526 | |
| 1527 | i = lm85_read_value(client, LM85_REG_AFAN_SPIKE1); |
| 1528 | data->smooth[0] = i & 0x0f ; |
| 1529 | data->syncpwm3 = i & 0x10 ; /* Save PWM3 config */ |
| 1530 | data->autofan[0].min_off = (i & 0x20) != 0 ; |
| 1531 | data->autofan[1].min_off = (i & 0x40) != 0 ; |
| 1532 | data->autofan[2].min_off = (i & 0x80) != 0 ; |
| 1533 | i = lm85_read_value(client, LM85_REG_AFAN_SPIKE2); |
| 1534 | data->smooth[1] = (i>>4) & 0x0f ; |
| 1535 | data->smooth[2] = i & 0x0f ; |
| 1536 | |
| 1537 | i = lm85_read_value(client, LM85_REG_AFAN_HYST1); |
| 1538 | data->zone[0].hyst = (i>>4) & 0x0f ; |
| 1539 | data->zone[1].hyst = i & 0x0f ; |
| 1540 | |
| 1541 | i = lm85_read_value(client, LM85_REG_AFAN_HYST2); |
| 1542 | data->zone[2].hyst = (i>>4) & 0x0f ; |
| 1543 | |
| 1544 | if ( (data->type == lm85b) || (data->type == lm85c) ) { |
| 1545 | data->tach_mode = lm85_read_value(client, |
| 1546 | LM85_REG_TACH_MODE ); |
| 1547 | data->spinup_ctl = lm85_read_value(client, |
| 1548 | LM85_REG_SPINUP_CTL ); |
| 1549 | } else if ( (data->type == adt7463) || (data->type == adm1027) ) { |
| 1550 | if ( data->type == adt7463 ) { |
| 1551 | for (i = 0; i <= 2; ++i) { |
| 1552 | data->oppoint[i] = lm85_read_value(client, |
| 1553 | ADT7463_REG_OPPOINT(i) ); |
| 1554 | } |
| 1555 | data->tmin_ctl = lm85_read_value(client, |
| 1556 | ADT7463_REG_TMIN_CTL1 ); |
| 1557 | data->therm_limit = lm85_read_value(client, |
| 1558 | ADT7463_REG_THERM_LIMIT ); |
| 1559 | } |
| 1560 | for (i = 0; i <= 2; ++i) { |
| 1561 | data->temp_offset[i] = lm85_read_value(client, |
| 1562 | ADM1027_REG_TEMP_OFFSET(i) ); |
| 1563 | } |
| 1564 | data->tach_mode = lm85_read_value(client, |
| 1565 | ADM1027_REG_CONFIG3 ); |
| 1566 | data->fan_ppr = lm85_read_value(client, |
| 1567 | ADM1027_REG_FAN_PPR ); |
| 1568 | } |
| 1569 | |
| 1570 | data->last_config = jiffies; |
| 1571 | }; /* last_config */ |
| 1572 | |
| 1573 | data->valid = 1; |
| 1574 | |
| 1575 | up(&data->update_lock); |
| 1576 | |
| 1577 | return data; |
| 1578 | } |
| 1579 | |
| 1580 | |
| 1581 | static int __init sm_lm85_init(void) |
| 1582 | { |
| 1583 | return i2c_add_driver(&lm85_driver); |
| 1584 | } |
| 1585 | |
| 1586 | static void __exit sm_lm85_exit(void) |
| 1587 | { |
| 1588 | i2c_del_driver(&lm85_driver); |
| 1589 | } |
| 1590 | |
| 1591 | /* Thanks to Richard Barrington for adding the LM85 to sensors-detect. |
| 1592 | * Thanks to Margit Schubert-While <margitsw@t-online.de> for help with |
| 1593 | * post 2.7.0 CVS changes. |
| 1594 | */ |
| 1595 | MODULE_LICENSE("GPL"); |
| 1596 | MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, Margit Schubert-While <margitsw@t-online.de>, Justin Thiessen <jthiessen@penguincomputing.com"); |
| 1597 | MODULE_DESCRIPTION("LM85-B, LM85-C driver"); |
| 1598 | |
| 1599 | module_init(sm_lm85_init); |
| 1600 | module_exit(sm_lm85_exit); |