1 /* 2 w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware 3 monitoring 4 Copyright (c) 1998 - 2003 Frodo Looijaard <frodol@dds.nl>, 5 Philip Edelbrock <phil@netroedge.com>, 6 and Mark Studebaker <mdsxyz123@yahoo.com> 7 Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org> 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 2 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program; if not, write to the Free Software 21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 22 */ 23 24 /* 25 Supports following chips: 26 27 Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA 28 w83627hf 9 3 2 3 0x20 0x5ca3 no yes(LPC) 29 w83627thf 7 3 3 3 0x90 0x5ca3 no yes(LPC) 30 w83637hf 7 3 3 3 0x80 0x5ca3 no yes(LPC) 31 w83697hf 8 2 2 2 0x60 0x5ca3 no yes(LPC) 32 33 For other winbond chips, and for i2c support in the above chips, 34 use w83781d.c. 35 36 Note: automatic ("cruise") fan control for 697, 637 & 627thf not 37 supported yet. 38 */ 39 40 #include <linux/module.h> 41 #include <linux/init.h> 42 #include <linux/slab.h> 43 #include <linux/jiffies.h> 44 #include <linux/i2c.h> 45 #include <linux/i2c-sensor.h> 46 #include <linux/i2c-vid.h> 47 #include <asm/io.h> 48 #include "lm75.h" 49 50 static u16 force_addr; 51 module_param(force_addr, ushort, 0); 52 MODULE_PARM_DESC(force_addr, 53 "Initialize the base address of the sensors"); 54 static u8 force_i2c = 0x1f; 55 module_param(force_i2c, byte, 0); 56 MODULE_PARM_DESC(force_i2c, 57 "Initialize the i2c address of the sensors"); 58 59 /* Addresses to scan */ 60 static unsigned short normal_i2c[] = { I2C_CLIENT_END }; 61 static unsigned int normal_isa[] = { 0, I2C_CLIENT_ISA_END }; 62 63 /* Insmod parameters */ 64 SENSORS_INSMOD_4(w83627hf, w83627thf, w83697hf, w83637hf); 65 66 static int init = 1; 67 module_param(init, bool, 0); 68 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization"); 69 70 /* modified from kernel/include/traps.c */ 71 static int REG; /* The register to read/write */ 72 #define DEV 0x07 /* Register: Logical device select */ 73 static int VAL; /* The value to read/write */ 74 75 /* logical device numbers for superio_select (below) */ 76 #define W83627HF_LD_FDC 0x00 77 #define W83627HF_LD_PRT 0x01 78 #define W83627HF_LD_UART1 0x02 79 #define W83627HF_LD_UART2 0x03 80 #define W83627HF_LD_KBC 0x05 81 #define W83627HF_LD_CIR 0x06 /* w83627hf only */ 82 #define W83627HF_LD_GAME 0x07 83 #define W83627HF_LD_MIDI 0x07 84 #define W83627HF_LD_GPIO1 0x07 85 #define W83627HF_LD_GPIO5 0x07 /* w83627thf only */ 86 #define W83627HF_LD_GPIO2 0x08 87 #define W83627HF_LD_GPIO3 0x09 88 #define W83627HF_LD_GPIO4 0x09 /* w83627thf only */ 89 #define W83627HF_LD_ACPI 0x0a 90 #define W83627HF_LD_HWM 0x0b 91 92 #define DEVID 0x20 /* Register: Device ID */ 93 94 #define W83627THF_GPIO5_EN 0x30 /* w83627thf only */ 95 #define W83627THF_GPIO5_IOSR 0xf3 /* w83627thf only */ 96 #define W83627THF_GPIO5_DR 0xf4 /* w83627thf only */ 97 98 static inline void 99 superio_outb(int reg, int val) 100 { 101 outb(reg, REG); 102 outb(val, VAL); 103 } 104 105 static inline int 106 superio_inb(int reg) 107 { 108 outb(reg, REG); 109 return inb(VAL); 110 } 111 112 static inline void 113 superio_select(int ld) 114 { 115 outb(DEV, REG); 116 outb(ld, VAL); 117 } 118 119 static inline void 120 superio_enter(void) 121 { 122 outb(0x87, REG); 123 outb(0x87, REG); 124 } 125 126 static inline void 127 superio_exit(void) 128 { 129 outb(0xAA, REG); 130 } 131 132 #define W627_DEVID 0x52 133 #define W627THF_DEVID 0x82 134 #define W697_DEVID 0x60 135 #define W637_DEVID 0x70 136 #define WINB_ACT_REG 0x30 137 #define WINB_BASE_REG 0x60 138 /* Constants specified below */ 139 140 /* Length of ISA address segment */ 141 #define WINB_EXTENT 8 142 143 /* Where are the ISA address/data registers relative to the base address */ 144 #define W83781D_ADDR_REG_OFFSET 5 145 #define W83781D_DATA_REG_OFFSET 6 146 147 /* The W83781D registers */ 148 /* The W83782D registers for nr=7,8 are in bank 5 */ 149 #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ 150 (0x554 + (((nr) - 7) * 2))) 151 #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ 152 (0x555 + (((nr) - 7) * 2))) 153 #define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ 154 (0x550 + (nr) - 7)) 155 156 #define W83781D_REG_FAN_MIN(nr) (0x3a + (nr)) 157 #define W83781D_REG_FAN(nr) (0x27 + (nr)) 158 159 #define W83781D_REG_TEMP2_CONFIG 0x152 160 #define W83781D_REG_TEMP3_CONFIG 0x252 161 #define W83781D_REG_TEMP(nr) ((nr == 3) ? (0x0250) : \ 162 ((nr == 2) ? (0x0150) : \ 163 (0x27))) 164 #define W83781D_REG_TEMP_HYST(nr) ((nr == 3) ? (0x253) : \ 165 ((nr == 2) ? (0x153) : \ 166 (0x3A))) 167 #define W83781D_REG_TEMP_OVER(nr) ((nr == 3) ? (0x255) : \ 168 ((nr == 2) ? (0x155) : \ 169 (0x39))) 170 171 #define W83781D_REG_BANK 0x4E 172 173 #define W83781D_REG_CONFIG 0x40 174 #define W83781D_REG_ALARM1 0x41 175 #define W83781D_REG_ALARM2 0x42 176 #define W83781D_REG_ALARM3 0x450 177 178 #define W83781D_REG_IRQ 0x4C 179 #define W83781D_REG_BEEP_CONFIG 0x4D 180 #define W83781D_REG_BEEP_INTS1 0x56 181 #define W83781D_REG_BEEP_INTS2 0x57 182 #define W83781D_REG_BEEP_INTS3 0x453 183 184 #define W83781D_REG_VID_FANDIV 0x47 185 186 #define W83781D_REG_CHIPID 0x49 187 #define W83781D_REG_WCHIPID 0x58 188 #define W83781D_REG_CHIPMAN 0x4F 189 #define W83781D_REG_PIN 0x4B 190 191 #define W83781D_REG_VBAT 0x5D 192 193 #define W83627HF_REG_PWM1 0x5A 194 #define W83627HF_REG_PWM2 0x5B 195 #define W83627HF_REG_PWMCLK12 0x5C 196 197 #define W83627THF_REG_PWM1 0x01 /* 697HF and 637HF too */ 198 #define W83627THF_REG_PWM2 0x03 /* 697HF and 637HF too */ 199 #define W83627THF_REG_PWM3 0x11 /* 637HF too */ 200 201 #define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF too */ 202 203 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 }; 204 static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2, 205 W83627THF_REG_PWM3 }; 206 #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \ 207 regpwm_627hf[(nr) - 1] : regpwm[(nr) - 1]) 208 209 #define W83781D_REG_I2C_ADDR 0x48 210 #define W83781D_REG_I2C_SUBADDR 0x4A 211 212 /* Sensor selection */ 213 #define W83781D_REG_SCFG1 0x5D 214 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 }; 215 #define W83781D_REG_SCFG2 0x59 216 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 }; 217 #define W83781D_DEFAULT_BETA 3435 218 219 /* Conversions. Limit checking is only done on the TO_REG 220 variants. Note that you should be a bit careful with which arguments 221 these macros are called: arguments may be evaluated more than once. 222 Fixing this is just not worth it. */ 223 #define IN_TO_REG(val) (SENSORS_LIMIT((((val) + 8)/16),0,255)) 224 #define IN_FROM_REG(val) ((val) * 16) 225 226 static inline u8 FAN_TO_REG(long rpm, int div) 227 { 228 if (rpm == 0) 229 return 255; 230 rpm = SENSORS_LIMIT(rpm, 1, 1000000); 231 return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 232 254); 233 } 234 235 #define TEMP_MIN (-128000) 236 #define TEMP_MAX ( 127000) 237 238 /* TEMP: 0.001C/bit (-128C to +127C) 239 REG: 1C/bit, two's complement */ 240 static u8 TEMP_TO_REG(int temp) 241 { 242 int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX); 243 ntemp += (ntemp<0 ? -500 : 500); 244 return (u8)(ntemp / 1000); 245 } 246 247 static int TEMP_FROM_REG(u8 reg) 248 { 249 return (s8)reg * 1000; 250 } 251 252 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div))) 253 254 #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255)) 255 256 #define BEEP_MASK_FROM_REG(val) (val) 257 #define BEEP_MASK_TO_REG(val) ((val) & 0xffffff) 258 #define BEEP_ENABLE_TO_REG(val) ((val)?1:0) 259 #define BEEP_ENABLE_FROM_REG(val) ((val)?1:0) 260 261 #define DIV_FROM_REG(val) (1 << (val)) 262 263 static inline u8 DIV_TO_REG(long val) 264 { 265 int i; 266 val = SENSORS_LIMIT(val, 1, 128) >> 1; 267 for (i = 0; i < 7; i++) { 268 if (val == 0) 269 break; 270 val >>= 1; 271 } 272 return ((u8) i); 273 } 274 275 /* For each registered chip, we need to keep some data in memory. That 276 data is pointed to by w83627hf_list[NR]->data. The structure itself is 277 dynamically allocated, at the same time when a new client is allocated. */ 278 struct w83627hf_data { 279 struct i2c_client client; 280 struct semaphore lock; 281 enum chips type; 282 283 struct semaphore update_lock; 284 char valid; /* !=0 if following fields are valid */ 285 unsigned long last_updated; /* In jiffies */ 286 287 struct i2c_client *lm75; /* for secondary I2C addresses */ 288 /* pointer to array of 2 subclients */ 289 290 u8 in[9]; /* Register value */ 291 u8 in_max[9]; /* Register value */ 292 u8 in_min[9]; /* Register value */ 293 u8 fan[3]; /* Register value */ 294 u8 fan_min[3]; /* Register value */ 295 u8 temp; 296 u8 temp_max; /* Register value */ 297 u8 temp_max_hyst; /* Register value */ 298 u16 temp_add[2]; /* Register value */ 299 u16 temp_max_add[2]; /* Register value */ 300 u16 temp_max_hyst_add[2]; /* Register value */ 301 u8 fan_div[3]; /* Register encoding, shifted right */ 302 u8 vid; /* Register encoding, combined */ 303 u32 alarms; /* Register encoding, combined */ 304 u32 beep_mask; /* Register encoding, combined */ 305 u8 beep_enable; /* Boolean */ 306 u8 pwm[3]; /* Register value */ 307 u16 sens[3]; /* 782D/783S only. 308 1 = pentium diode; 2 = 3904 diode; 309 3000-5000 = thermistor beta. 310 Default = 3435. 311 Other Betas unimplemented */ 312 u8 vrm; 313 u8 vrm_ovt; /* Register value, 627thf & 637hf only */ 314 }; 315 316 317 static int w83627hf_attach_adapter(struct i2c_adapter *adapter); 318 static int w83627hf_detect(struct i2c_adapter *adapter, int address, 319 int kind); 320 static int w83627hf_detach_client(struct i2c_client *client); 321 322 static int w83627hf_read_value(struct i2c_client *client, u16 register); 323 static int w83627hf_write_value(struct i2c_client *client, u16 register, 324 u16 value); 325 static struct w83627hf_data *w83627hf_update_device(struct device *dev); 326 static void w83627hf_init_client(struct i2c_client *client); 327 328 static struct i2c_driver w83627hf_driver = { 329 .owner = THIS_MODULE, 330 .name = "w83627hf", 331 .id = I2C_DRIVERID_W83627HF, 332 .flags = I2C_DF_NOTIFY, 333 .attach_adapter = w83627hf_attach_adapter, 334 .detach_client = w83627hf_detach_client, 335 }; 336 337 /* following are the sysfs callback functions */ 338 #define show_in_reg(reg) \ 339 static ssize_t show_##reg (struct device *dev, char *buf, int nr) \ 340 { \ 341 struct w83627hf_data *data = w83627hf_update_device(dev); \ 342 return sprintf(buf,"%ld\n", (long)IN_FROM_REG(data->reg[nr])); \ 343 } 344 show_in_reg(in) 345 show_in_reg(in_min) 346 show_in_reg(in_max) 347 348 #define store_in_reg(REG, reg) \ 349 static ssize_t \ 350 store_in_##reg (struct device *dev, const char *buf, size_t count, int nr) \ 351 { \ 352 struct i2c_client *client = to_i2c_client(dev); \ 353 struct w83627hf_data *data = i2c_get_clientdata(client); \ 354 u32 val; \ 355 \ 356 val = simple_strtoul(buf, NULL, 10); \ 357 \ 358 down(&data->update_lock); \ 359 data->in_##reg[nr] = IN_TO_REG(val); \ 360 w83627hf_write_value(client, W83781D_REG_IN_##REG(nr), \ 361 data->in_##reg[nr]); \ 362 \ 363 up(&data->update_lock); \ 364 return count; \ 365 } 366 store_in_reg(MIN, min) 367 store_in_reg(MAX, max) 368 369 #define sysfs_in_offset(offset) \ 370 static ssize_t \ 371 show_regs_in_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ 372 { \ 373 return show_in(dev, buf, offset); \ 374 } \ 375 static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_regs_in_##offset, NULL); 376 377 #define sysfs_in_reg_offset(reg, offset) \ 378 static ssize_t show_regs_in_##reg##offset (struct device *dev, struct device_attribute *attr, char *buf) \ 379 { \ 380 return show_in_##reg (dev, buf, offset); \ 381 } \ 382 static ssize_t \ 383 store_regs_in_##reg##offset (struct device *dev, struct device_attribute *attr, \ 384 const char *buf, size_t count) \ 385 { \ 386 return store_in_##reg (dev, buf, count, offset); \ 387 } \ 388 static DEVICE_ATTR(in##offset##_##reg, S_IRUGO| S_IWUSR, \ 389 show_regs_in_##reg##offset, store_regs_in_##reg##offset); 390 391 #define sysfs_in_offsets(offset) \ 392 sysfs_in_offset(offset) \ 393 sysfs_in_reg_offset(min, offset) \ 394 sysfs_in_reg_offset(max, offset) 395 396 sysfs_in_offsets(1); 397 sysfs_in_offsets(2); 398 sysfs_in_offsets(3); 399 sysfs_in_offsets(4); 400 sysfs_in_offsets(5); 401 sysfs_in_offsets(6); 402 sysfs_in_offsets(7); 403 sysfs_in_offsets(8); 404 405 /* use a different set of functions for in0 */ 406 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg) 407 { 408 long in0; 409 410 if ((data->vrm_ovt & 0x01) && 411 (w83627thf == data->type || w83637hf == data->type)) 412 413 /* use VRM9 calculation */ 414 in0 = (long)((reg * 488 + 70000 + 50) / 100); 415 else 416 /* use VRM8 (standard) calculation */ 417 in0 = (long)IN_FROM_REG(reg); 418 419 return sprintf(buf,"%ld\n", in0); 420 } 421 422 static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf) 423 { 424 struct w83627hf_data *data = w83627hf_update_device(dev); 425 return show_in_0(data, buf, data->in[0]); 426 } 427 428 static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf) 429 { 430 struct w83627hf_data *data = w83627hf_update_device(dev); 431 return show_in_0(data, buf, data->in_min[0]); 432 } 433 434 static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf) 435 { 436 struct w83627hf_data *data = w83627hf_update_device(dev); 437 return show_in_0(data, buf, data->in_max[0]); 438 } 439 440 static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr, 441 const char *buf, size_t count) 442 { 443 struct i2c_client *client = to_i2c_client(dev); 444 struct w83627hf_data *data = i2c_get_clientdata(client); 445 u32 val; 446 447 val = simple_strtoul(buf, NULL, 10); 448 449 down(&data->update_lock); 450 451 if ((data->vrm_ovt & 0x01) && 452 (w83627thf == data->type || w83637hf == data->type)) 453 454 /* use VRM9 calculation */ 455 data->in_min[0] = (u8)(((val * 100) - 70000 + 244) / 488); 456 else 457 /* use VRM8 (standard) calculation */ 458 data->in_min[0] = IN_TO_REG(val); 459 460 w83627hf_write_value(client, W83781D_REG_IN_MIN(0), data->in_min[0]); 461 up(&data->update_lock); 462 return count; 463 } 464 465 static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr, 466 const char *buf, size_t count) 467 { 468 struct i2c_client *client = to_i2c_client(dev); 469 struct w83627hf_data *data = i2c_get_clientdata(client); 470 u32 val; 471 472 val = simple_strtoul(buf, NULL, 10); 473 474 down(&data->update_lock); 475 476 if ((data->vrm_ovt & 0x01) && 477 (w83627thf == data->type || w83637hf == data->type)) 478 479 /* use VRM9 calculation */ 480 data->in_max[0] = (u8)(((val * 100) - 70000 + 244) / 488); 481 else 482 /* use VRM8 (standard) calculation */ 483 data->in_max[0] = IN_TO_REG(val); 484 485 w83627hf_write_value(client, W83781D_REG_IN_MAX(0), data->in_max[0]); 486 up(&data->update_lock); 487 return count; 488 } 489 490 static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL); 491 static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR, 492 show_regs_in_min0, store_regs_in_min0); 493 static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR, 494 show_regs_in_max0, store_regs_in_max0); 495 496 #define device_create_file_in(client, offset) \ 497 do { \ 498 device_create_file(&client->dev, &dev_attr_in##offset##_input); \ 499 device_create_file(&client->dev, &dev_attr_in##offset##_min); \ 500 device_create_file(&client->dev, &dev_attr_in##offset##_max); \ 501 } while (0) 502 503 #define show_fan_reg(reg) \ 504 static ssize_t show_##reg (struct device *dev, char *buf, int nr) \ 505 { \ 506 struct w83627hf_data *data = w83627hf_update_device(dev); \ 507 return sprintf(buf,"%ld\n", \ 508 FAN_FROM_REG(data->reg[nr-1], \ 509 (long)DIV_FROM_REG(data->fan_div[nr-1]))); \ 510 } 511 show_fan_reg(fan); 512 show_fan_reg(fan_min); 513 514 static ssize_t 515 store_fan_min(struct device *dev, const char *buf, size_t count, int nr) 516 { 517 struct i2c_client *client = to_i2c_client(dev); 518 struct w83627hf_data *data = i2c_get_clientdata(client); 519 u32 val; 520 521 val = simple_strtoul(buf, NULL, 10); 522 523 down(&data->update_lock); 524 data->fan_min[nr - 1] = 525 FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr - 1])); 526 w83627hf_write_value(client, W83781D_REG_FAN_MIN(nr), 527 data->fan_min[nr - 1]); 528 529 up(&data->update_lock); 530 return count; 531 } 532 533 #define sysfs_fan_offset(offset) \ 534 static ssize_t show_regs_fan_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ 535 { \ 536 return show_fan(dev, buf, offset); \ 537 } \ 538 static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_regs_fan_##offset, NULL); 539 540 #define sysfs_fan_min_offset(offset) \ 541 static ssize_t show_regs_fan_min##offset (struct device *dev, struct device_attribute *attr, char *buf) \ 542 { \ 543 return show_fan_min(dev, buf, offset); \ 544 } \ 545 static ssize_t \ 546 store_regs_fan_min##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ 547 { \ 548 return store_fan_min(dev, buf, count, offset); \ 549 } \ 550 static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ 551 show_regs_fan_min##offset, store_regs_fan_min##offset); 552 553 sysfs_fan_offset(1); 554 sysfs_fan_min_offset(1); 555 sysfs_fan_offset(2); 556 sysfs_fan_min_offset(2); 557 sysfs_fan_offset(3); 558 sysfs_fan_min_offset(3); 559 560 #define device_create_file_fan(client, offset) \ 561 do { \ 562 device_create_file(&client->dev, &dev_attr_fan##offset##_input); \ 563 device_create_file(&client->dev, &dev_attr_fan##offset##_min); \ 564 } while (0) 565 566 #define show_temp_reg(reg) \ 567 static ssize_t show_##reg (struct device *dev, char *buf, int nr) \ 568 { \ 569 struct w83627hf_data *data = w83627hf_update_device(dev); \ 570 if (nr >= 2) { /* TEMP2 and TEMP3 */ \ 571 return sprintf(buf,"%ld\n", \ 572 (long)LM75_TEMP_FROM_REG(data->reg##_add[nr-2])); \ 573 } else { /* TEMP1 */ \ 574 return sprintf(buf,"%ld\n", (long)TEMP_FROM_REG(data->reg)); \ 575 } \ 576 } 577 show_temp_reg(temp); 578 show_temp_reg(temp_max); 579 show_temp_reg(temp_max_hyst); 580 581 #define store_temp_reg(REG, reg) \ 582 static ssize_t \ 583 store_temp_##reg (struct device *dev, const char *buf, size_t count, int nr) \ 584 { \ 585 struct i2c_client *client = to_i2c_client(dev); \ 586 struct w83627hf_data *data = i2c_get_clientdata(client); \ 587 u32 val; \ 588 \ 589 val = simple_strtoul(buf, NULL, 10); \ 590 \ 591 down(&data->update_lock); \ 592 \ 593 if (nr >= 2) { /* TEMP2 and TEMP3 */ \ 594 data->temp_##reg##_add[nr-2] = LM75_TEMP_TO_REG(val); \ 595 w83627hf_write_value(client, W83781D_REG_TEMP_##REG(nr), \ 596 data->temp_##reg##_add[nr-2]); \ 597 } else { /* TEMP1 */ \ 598 data->temp_##reg = TEMP_TO_REG(val); \ 599 w83627hf_write_value(client, W83781D_REG_TEMP_##REG(nr), \ 600 data->temp_##reg); \ 601 } \ 602 \ 603 up(&data->update_lock); \ 604 return count; \ 605 } 606 store_temp_reg(OVER, max); 607 store_temp_reg(HYST, max_hyst); 608 609 #define sysfs_temp_offset(offset) \ 610 static ssize_t \ 611 show_regs_temp_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ 612 { \ 613 return show_temp(dev, buf, offset); \ 614 } \ 615 static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_regs_temp_##offset, NULL); 616 617 #define sysfs_temp_reg_offset(reg, offset) \ 618 static ssize_t show_regs_temp_##reg##offset (struct device *dev, struct device_attribute *attr, char *buf) \ 619 { \ 620 return show_temp_##reg (dev, buf, offset); \ 621 } \ 622 static ssize_t \ 623 store_regs_temp_##reg##offset (struct device *dev, struct device_attribute *attr, \ 624 const char *buf, size_t count) \ 625 { \ 626 return store_temp_##reg (dev, buf, count, offset); \ 627 } \ 628 static DEVICE_ATTR(temp##offset##_##reg, S_IRUGO| S_IWUSR, \ 629 show_regs_temp_##reg##offset, store_regs_temp_##reg##offset); 630 631 #define sysfs_temp_offsets(offset) \ 632 sysfs_temp_offset(offset) \ 633 sysfs_temp_reg_offset(max, offset) \ 634 sysfs_temp_reg_offset(max_hyst, offset) 635 636 sysfs_temp_offsets(1); 637 sysfs_temp_offsets(2); 638 sysfs_temp_offsets(3); 639 640 #define device_create_file_temp(client, offset) \ 641 do { \ 642 device_create_file(&client->dev, &dev_attr_temp##offset##_input); \ 643 device_create_file(&client->dev, &dev_attr_temp##offset##_max); \ 644 device_create_file(&client->dev, &dev_attr_temp##offset##_max_hyst); \ 645 } while (0) 646 647 static ssize_t 648 show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) 649 { 650 struct w83627hf_data *data = w83627hf_update_device(dev); 651 return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm)); 652 } 653 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); 654 #define device_create_file_vid(client) \ 655 device_create_file(&client->dev, &dev_attr_cpu0_vid) 656 657 static ssize_t 658 show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) 659 { 660 struct w83627hf_data *data = w83627hf_update_device(dev); 661 return sprintf(buf, "%ld\n", (long) data->vrm); 662 } 663 static ssize_t 664 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) 665 { 666 struct i2c_client *client = to_i2c_client(dev); 667 struct w83627hf_data *data = i2c_get_clientdata(client); 668 u32 val; 669 670 val = simple_strtoul(buf, NULL, 10); 671 data->vrm = val; 672 673 return count; 674 } 675 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); 676 #define device_create_file_vrm(client) \ 677 device_create_file(&client->dev, &dev_attr_vrm) 678 679 static ssize_t 680 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) 681 { 682 struct w83627hf_data *data = w83627hf_update_device(dev); 683 return sprintf(buf, "%ld\n", (long) data->alarms); 684 } 685 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); 686 #define device_create_file_alarms(client) \ 687 device_create_file(&client->dev, &dev_attr_alarms) 688 689 #define show_beep_reg(REG, reg) \ 690 static ssize_t show_beep_##reg (struct device *dev, struct device_attribute *attr, char *buf) \ 691 { \ 692 struct w83627hf_data *data = w83627hf_update_device(dev); \ 693 return sprintf(buf,"%ld\n", \ 694 (long)BEEP_##REG##_FROM_REG(data->beep_##reg)); \ 695 } 696 show_beep_reg(ENABLE, enable) 697 show_beep_reg(MASK, mask) 698 699 #define BEEP_ENABLE 0 /* Store beep_enable */ 700 #define BEEP_MASK 1 /* Store beep_mask */ 701 702 static ssize_t 703 store_beep_reg(struct device *dev, const char *buf, size_t count, 704 int update_mask) 705 { 706 struct i2c_client *client = to_i2c_client(dev); 707 struct w83627hf_data *data = i2c_get_clientdata(client); 708 u32 val, val2; 709 710 val = simple_strtoul(buf, NULL, 10); 711 712 down(&data->update_lock); 713 714 if (update_mask == BEEP_MASK) { /* We are storing beep_mask */ 715 data->beep_mask = BEEP_MASK_TO_REG(val); 716 w83627hf_write_value(client, W83781D_REG_BEEP_INTS1, 717 data->beep_mask & 0xff); 718 w83627hf_write_value(client, W83781D_REG_BEEP_INTS3, 719 ((data->beep_mask) >> 16) & 0xff); 720 val2 = (data->beep_mask >> 8) & 0x7f; 721 } else { /* We are storing beep_enable */ 722 val2 = 723 w83627hf_read_value(client, W83781D_REG_BEEP_INTS2) & 0x7f; 724 data->beep_enable = BEEP_ENABLE_TO_REG(val); 725 } 726 727 w83627hf_write_value(client, W83781D_REG_BEEP_INTS2, 728 val2 | data->beep_enable << 7); 729 730 up(&data->update_lock); 731 return count; 732 } 733 734 #define sysfs_beep(REG, reg) \ 735 static ssize_t show_regs_beep_##reg (struct device *dev, struct device_attribute *attr, char *buf) \ 736 { \ 737 return show_beep_##reg(dev, attr, buf); \ 738 } \ 739 static ssize_t \ 740 store_regs_beep_##reg (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ 741 { \ 742 return store_beep_reg(dev, buf, count, BEEP_##REG); \ 743 } \ 744 static DEVICE_ATTR(beep_##reg, S_IRUGO | S_IWUSR, \ 745 show_regs_beep_##reg, store_regs_beep_##reg); 746 747 sysfs_beep(ENABLE, enable); 748 sysfs_beep(MASK, mask); 749 750 #define device_create_file_beep(client) \ 751 do { \ 752 device_create_file(&client->dev, &dev_attr_beep_enable); \ 753 device_create_file(&client->dev, &dev_attr_beep_mask); \ 754 } while (0) 755 756 static ssize_t 757 show_fan_div_reg(struct device *dev, char *buf, int nr) 758 { 759 struct w83627hf_data *data = w83627hf_update_device(dev); 760 return sprintf(buf, "%ld\n", 761 (long) DIV_FROM_REG(data->fan_div[nr - 1])); 762 } 763 764 /* Note: we save and restore the fan minimum here, because its value is 765 determined in part by the fan divisor. This follows the principle of 766 least suprise; the user doesn't expect the fan minimum to change just 767 because the divisor changed. */ 768 static ssize_t 769 store_fan_div_reg(struct device *dev, const char *buf, size_t count, int nr) 770 { 771 struct i2c_client *client = to_i2c_client(dev); 772 struct w83627hf_data *data = i2c_get_clientdata(client); 773 unsigned long min; 774 u8 reg; 775 unsigned long val = simple_strtoul(buf, NULL, 10); 776 777 down(&data->update_lock); 778 779 /* Save fan_min */ 780 min = FAN_FROM_REG(data->fan_min[nr], 781 DIV_FROM_REG(data->fan_div[nr])); 782 783 data->fan_div[nr] = DIV_TO_REG(val); 784 785 reg = (w83627hf_read_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV) 786 & (nr==0 ? 0xcf : 0x3f)) 787 | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6)); 788 w83627hf_write_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg); 789 790 reg = (w83627hf_read_value(client, W83781D_REG_VBAT) 791 & ~(1 << (5 + nr))) 792 | ((data->fan_div[nr] & 0x04) << (3 + nr)); 793 w83627hf_write_value(client, W83781D_REG_VBAT, reg); 794 795 /* Restore fan_min */ 796 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); 797 w83627hf_write_value(client, W83781D_REG_FAN_MIN(nr+1), data->fan_min[nr]); 798 799 up(&data->update_lock); 800 return count; 801 } 802 803 #define sysfs_fan_div(offset) \ 804 static ssize_t show_regs_fan_div_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ 805 { \ 806 return show_fan_div_reg(dev, buf, offset); \ 807 } \ 808 static ssize_t \ 809 store_regs_fan_div_##offset (struct device *dev, struct device_attribute *attr, \ 810 const char *buf, size_t count) \ 811 { \ 812 return store_fan_div_reg(dev, buf, count, offset - 1); \ 813 } \ 814 static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ 815 show_regs_fan_div_##offset, store_regs_fan_div_##offset); 816 817 sysfs_fan_div(1); 818 sysfs_fan_div(2); 819 sysfs_fan_div(3); 820 821 #define device_create_file_fan_div(client, offset) \ 822 do { \ 823 device_create_file(&client->dev, &dev_attr_fan##offset##_div); \ 824 } while (0) 825 826 static ssize_t 827 show_pwm_reg(struct device *dev, char *buf, int nr) 828 { 829 struct w83627hf_data *data = w83627hf_update_device(dev); 830 return sprintf(buf, "%ld\n", (long) data->pwm[nr - 1]); 831 } 832 833 static ssize_t 834 store_pwm_reg(struct device *dev, const char *buf, size_t count, int nr) 835 { 836 struct i2c_client *client = to_i2c_client(dev); 837 struct w83627hf_data *data = i2c_get_clientdata(client); 838 u32 val; 839 840 val = simple_strtoul(buf, NULL, 10); 841 842 down(&data->update_lock); 843 844 if (data->type == w83627thf) { 845 /* bits 0-3 are reserved in 627THF */ 846 data->pwm[nr - 1] = PWM_TO_REG(val) & 0xf0; 847 w83627hf_write_value(client, 848 W836X7HF_REG_PWM(data->type, nr), 849 data->pwm[nr - 1] | 850 (w83627hf_read_value(client, 851 W836X7HF_REG_PWM(data->type, nr)) & 0x0f)); 852 } else { 853 data->pwm[nr - 1] = PWM_TO_REG(val); 854 w83627hf_write_value(client, 855 W836X7HF_REG_PWM(data->type, nr), 856 data->pwm[nr - 1]); 857 } 858 859 up(&data->update_lock); 860 return count; 861 } 862 863 #define sysfs_pwm(offset) \ 864 static ssize_t show_regs_pwm_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ 865 { \ 866 return show_pwm_reg(dev, buf, offset); \ 867 } \ 868 static ssize_t \ 869 store_regs_pwm_##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ 870 { \ 871 return store_pwm_reg(dev, buf, count, offset); \ 872 } \ 873 static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ 874 show_regs_pwm_##offset, store_regs_pwm_##offset); 875 876 sysfs_pwm(1); 877 sysfs_pwm(2); 878 sysfs_pwm(3); 879 880 #define device_create_file_pwm(client, offset) \ 881 do { \ 882 device_create_file(&client->dev, &dev_attr_pwm##offset); \ 883 } while (0) 884 885 static ssize_t 886 show_sensor_reg(struct device *dev, char *buf, int nr) 887 { 888 struct w83627hf_data *data = w83627hf_update_device(dev); 889 return sprintf(buf, "%ld\n", (long) data->sens[nr - 1]); 890 } 891 892 static ssize_t 893 store_sensor_reg(struct device *dev, const char *buf, size_t count, int nr) 894 { 895 struct i2c_client *client = to_i2c_client(dev); 896 struct w83627hf_data *data = i2c_get_clientdata(client); 897 u32 val, tmp; 898 899 val = simple_strtoul(buf, NULL, 10); 900 901 down(&data->update_lock); 902 903 switch (val) { 904 case 1: /* PII/Celeron diode */ 905 tmp = w83627hf_read_value(client, W83781D_REG_SCFG1); 906 w83627hf_write_value(client, W83781D_REG_SCFG1, 907 tmp | BIT_SCFG1[nr - 1]); 908 tmp = w83627hf_read_value(client, W83781D_REG_SCFG2); 909 w83627hf_write_value(client, W83781D_REG_SCFG2, 910 tmp | BIT_SCFG2[nr - 1]); 911 data->sens[nr - 1] = val; 912 break; 913 case 2: /* 3904 */ 914 tmp = w83627hf_read_value(client, W83781D_REG_SCFG1); 915 w83627hf_write_value(client, W83781D_REG_SCFG1, 916 tmp | BIT_SCFG1[nr - 1]); 917 tmp = w83627hf_read_value(client, W83781D_REG_SCFG2); 918 w83627hf_write_value(client, W83781D_REG_SCFG2, 919 tmp & ~BIT_SCFG2[nr - 1]); 920 data->sens[nr - 1] = val; 921 break; 922 case W83781D_DEFAULT_BETA: /* thermistor */ 923 tmp = w83627hf_read_value(client, W83781D_REG_SCFG1); 924 w83627hf_write_value(client, W83781D_REG_SCFG1, 925 tmp & ~BIT_SCFG1[nr - 1]); 926 data->sens[nr - 1] = val; 927 break; 928 default: 929 dev_err(&client->dev, 930 "Invalid sensor type %ld; must be 1, 2, or %d\n", 931 (long) val, W83781D_DEFAULT_BETA); 932 break; 933 } 934 935 up(&data->update_lock); 936 return count; 937 } 938 939 #define sysfs_sensor(offset) \ 940 static ssize_t show_regs_sensor_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ 941 { \ 942 return show_sensor_reg(dev, buf, offset); \ 943 } \ 944 static ssize_t \ 945 store_regs_sensor_##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ 946 { \ 947 return store_sensor_reg(dev, buf, count, offset); \ 948 } \ 949 static DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \ 950 show_regs_sensor_##offset, store_regs_sensor_##offset); 951 952 sysfs_sensor(1); 953 sysfs_sensor(2); 954 sysfs_sensor(3); 955 956 #define device_create_file_sensor(client, offset) \ 957 do { \ 958 device_create_file(&client->dev, &dev_attr_temp##offset##_type); \ 959 } while (0) 960 961 962 /* This function is called when: 963 * w83627hf_driver is inserted (when this module is loaded), for each 964 available adapter 965 * when a new adapter is inserted (and w83627hf_driver is still present) */ 966 static int w83627hf_attach_adapter(struct i2c_adapter *adapter) 967 { 968 return i2c_detect(adapter, &addr_data, w83627hf_detect); 969 } 970 971 static int w83627hf_find(int sioaddr, int *address) 972 { 973 u16 val; 974 975 REG = sioaddr; 976 VAL = sioaddr + 1; 977 978 superio_enter(); 979 val= superio_inb(DEVID); 980 if(val != W627_DEVID && 981 val != W627THF_DEVID && 982 val != W697_DEVID && 983 val != W637_DEVID) { 984 superio_exit(); 985 return -ENODEV; 986 } 987 988 superio_select(W83627HF_LD_HWM); 989 val = (superio_inb(WINB_BASE_REG) << 8) | 990 superio_inb(WINB_BASE_REG + 1); 991 *address = val & ~(WINB_EXTENT - 1); 992 if (*address == 0 && force_addr == 0) { 993 superio_exit(); 994 return -ENODEV; 995 } 996 if (force_addr) 997 *address = force_addr; /* so detect will get called */ 998 999 superio_exit(); 1000 return 0; 1001 } 1002 1003 int w83627hf_detect(struct i2c_adapter *adapter, int address, 1004 int kind) 1005 { 1006 int val; 1007 struct i2c_client *new_client; 1008 struct w83627hf_data *data; 1009 int err = 0; 1010 const char *client_name = ""; 1011 1012 if (!i2c_is_isa_adapter(adapter)) { 1013 err = -ENODEV; 1014 goto ERROR0; 1015 } 1016 1017 if(force_addr) 1018 address = force_addr & ~(WINB_EXTENT - 1); 1019 1020 if (!request_region(address, WINB_EXTENT, w83627hf_driver.name)) { 1021 err = -EBUSY; 1022 goto ERROR0; 1023 } 1024 1025 if(force_addr) { 1026 printk("w83627hf.o: forcing ISA address 0x%04X\n", address); 1027 superio_enter(); 1028 superio_select(W83627HF_LD_HWM); 1029 superio_outb(WINB_BASE_REG, address >> 8); 1030 superio_outb(WINB_BASE_REG+1, address & 0xff); 1031 superio_exit(); 1032 } 1033 1034 superio_enter(); 1035 val= superio_inb(DEVID); 1036 if(val == W627_DEVID) 1037 kind = w83627hf; 1038 else if(val == W697_DEVID) 1039 kind = w83697hf; 1040 else if(val == W627THF_DEVID) 1041 kind = w83627thf; 1042 else if(val == W637_DEVID) 1043 kind = w83637hf; 1044 else { 1045 dev_info(&adapter->dev, 1046 "Unsupported chip (dev_id=0x%02X).\n", val); 1047 goto ERROR1; 1048 } 1049 1050 superio_select(W83627HF_LD_HWM); 1051 if((val = 0x01 & superio_inb(WINB_ACT_REG)) == 0) 1052 superio_outb(WINB_ACT_REG, 1); 1053 superio_exit(); 1054 1055 /* OK. For now, we presume we have a valid client. We now create the 1056 client structure, even though we cannot fill it completely yet. 1057 But it allows us to access w83627hf_{read,write}_value. */ 1058 1059 if (!(data = kmalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) { 1060 err = -ENOMEM; 1061 goto ERROR1; 1062 } 1063 memset(data, 0, sizeof(struct w83627hf_data)); 1064 1065 new_client = &data->client; 1066 i2c_set_clientdata(new_client, data); 1067 new_client->addr = address; 1068 init_MUTEX(&data->lock); 1069 new_client->adapter = adapter; 1070 new_client->driver = &w83627hf_driver; 1071 new_client->flags = 0; 1072 1073 1074 if (kind == w83627hf) { 1075 client_name = "w83627hf"; 1076 } else if (kind == w83627thf) { 1077 client_name = "w83627thf"; 1078 } else if (kind == w83697hf) { 1079 client_name = "w83697hf"; 1080 } else if (kind == w83637hf) { 1081 client_name = "w83637hf"; 1082 } 1083 1084 /* Fill in the remaining client fields and put into the global list */ 1085 strlcpy(new_client->name, client_name, I2C_NAME_SIZE); 1086 data->type = kind; 1087 data->valid = 0; 1088 init_MUTEX(&data->update_lock); 1089 1090 /* Tell the I2C layer a new client has arrived */ 1091 if ((err = i2c_attach_client(new_client))) 1092 goto ERROR2; 1093 1094 data->lm75 = NULL; 1095 1096 /* Initialize the chip */ 1097 w83627hf_init_client(new_client); 1098 1099 /* A few vars need to be filled upon startup */ 1100 data->fan_min[0] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(1)); 1101 data->fan_min[1] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(2)); 1102 data->fan_min[2] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(3)); 1103 1104 /* Register sysfs hooks */ 1105 device_create_file_in(new_client, 0); 1106 if (kind != w83697hf) 1107 device_create_file_in(new_client, 1); 1108 device_create_file_in(new_client, 2); 1109 device_create_file_in(new_client, 3); 1110 device_create_file_in(new_client, 4); 1111 if (kind != w83627thf && kind != w83637hf) { 1112 device_create_file_in(new_client, 5); 1113 device_create_file_in(new_client, 6); 1114 } 1115 device_create_file_in(new_client, 7); 1116 device_create_file_in(new_client, 8); 1117 1118 device_create_file_fan(new_client, 1); 1119 device_create_file_fan(new_client, 2); 1120 if (kind != w83697hf) 1121 device_create_file_fan(new_client, 3); 1122 1123 device_create_file_temp(new_client, 1); 1124 device_create_file_temp(new_client, 2); 1125 if (kind != w83697hf) 1126 device_create_file_temp(new_client, 3); 1127 1128 if (kind != w83697hf) 1129 device_create_file_vid(new_client); 1130 1131 if (kind != w83697hf) 1132 device_create_file_vrm(new_client); 1133 1134 device_create_file_fan_div(new_client, 1); 1135 device_create_file_fan_div(new_client, 2); 1136 if (kind != w83697hf) 1137 device_create_file_fan_div(new_client, 3); 1138 1139 device_create_file_alarms(new_client); 1140 1141 device_create_file_beep(new_client); 1142 1143 device_create_file_pwm(new_client, 1); 1144 device_create_file_pwm(new_client, 2); 1145 if (kind == w83627thf || kind == w83637hf) 1146 device_create_file_pwm(new_client, 3); 1147 1148 device_create_file_sensor(new_client, 1); 1149 device_create_file_sensor(new_client, 2); 1150 if (kind != w83697hf) 1151 device_create_file_sensor(new_client, 3); 1152 1153 return 0; 1154 1155 ERROR2: 1156 kfree(data); 1157 ERROR1: 1158 release_region(address, WINB_EXTENT); 1159 ERROR0: 1160 return err; 1161 } 1162 1163 static int w83627hf_detach_client(struct i2c_client *client) 1164 { 1165 int err; 1166 1167 if ((err = i2c_detach_client(client))) { 1168 dev_err(&client->dev, 1169 "Client deregistration failed, client not detached.\n"); 1170 return err; 1171 } 1172 1173 release_region(client->addr, WINB_EXTENT); 1174 kfree(i2c_get_clientdata(client)); 1175 1176 return 0; 1177 } 1178 1179 1180 /* 1181 ISA access must always be locked explicitly! 1182 We ignore the W83781D BUSY flag at this moment - it could lead to deadlocks, 1183 would slow down the W83781D access and should not be necessary. 1184 There are some ugly typecasts here, but the good news is - they should 1185 nowhere else be necessary! */ 1186 static int w83627hf_read_value(struct i2c_client *client, u16 reg) 1187 { 1188 struct w83627hf_data *data = i2c_get_clientdata(client); 1189 int res, word_sized; 1190 1191 down(&data->lock); 1192 word_sized = (((reg & 0xff00) == 0x100) 1193 || ((reg & 0xff00) == 0x200)) 1194 && (((reg & 0x00ff) == 0x50) 1195 || ((reg & 0x00ff) == 0x53) 1196 || ((reg & 0x00ff) == 0x55)); 1197 if (reg & 0xff00) { 1198 outb_p(W83781D_REG_BANK, 1199 client->addr + W83781D_ADDR_REG_OFFSET); 1200 outb_p(reg >> 8, 1201 client->addr + W83781D_DATA_REG_OFFSET); 1202 } 1203 outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET); 1204 res = inb_p(client->addr + W83781D_DATA_REG_OFFSET); 1205 if (word_sized) { 1206 outb_p((reg & 0xff) + 1, 1207 client->addr + W83781D_ADDR_REG_OFFSET); 1208 res = 1209 (res << 8) + inb_p(client->addr + 1210 W83781D_DATA_REG_OFFSET); 1211 } 1212 if (reg & 0xff00) { 1213 outb_p(W83781D_REG_BANK, 1214 client->addr + W83781D_ADDR_REG_OFFSET); 1215 outb_p(0, client->addr + W83781D_DATA_REG_OFFSET); 1216 } 1217 up(&data->lock); 1218 return res; 1219 } 1220 1221 static int w83627thf_read_gpio5(struct i2c_client *client) 1222 { 1223 int res = 0xff, sel; 1224 1225 superio_enter(); 1226 superio_select(W83627HF_LD_GPIO5); 1227 1228 /* Make sure these GPIO pins are enabled */ 1229 if (!(superio_inb(W83627THF_GPIO5_EN) & (1<<3))) { 1230 dev_dbg(&client->dev, "GPIO5 disabled, no VID function\n"); 1231 goto exit; 1232 } 1233 1234 /* Make sure the pins are configured for input 1235 There must be at least five (VRM 9), and possibly 6 (VRM 10) */ 1236 sel = superio_inb(W83627THF_GPIO5_IOSR); 1237 if ((sel & 0x1f) != 0x1f) { 1238 dev_dbg(&client->dev, "GPIO5 not configured for VID " 1239 "function\n"); 1240 goto exit; 1241 } 1242 1243 dev_info(&client->dev, "Reading VID from GPIO5\n"); 1244 res = superio_inb(W83627THF_GPIO5_DR) & sel; 1245 1246 exit: 1247 superio_exit(); 1248 return res; 1249 } 1250 1251 static int w83627hf_write_value(struct i2c_client *client, u16 reg, u16 value) 1252 { 1253 struct w83627hf_data *data = i2c_get_clientdata(client); 1254 int word_sized; 1255 1256 down(&data->lock); 1257 word_sized = (((reg & 0xff00) == 0x100) 1258 || ((reg & 0xff00) == 0x200)) 1259 && (((reg & 0x00ff) == 0x53) 1260 || ((reg & 0x00ff) == 0x55)); 1261 if (reg & 0xff00) { 1262 outb_p(W83781D_REG_BANK, 1263 client->addr + W83781D_ADDR_REG_OFFSET); 1264 outb_p(reg >> 8, 1265 client->addr + W83781D_DATA_REG_OFFSET); 1266 } 1267 outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET); 1268 if (word_sized) { 1269 outb_p(value >> 8, 1270 client->addr + W83781D_DATA_REG_OFFSET); 1271 outb_p((reg & 0xff) + 1, 1272 client->addr + W83781D_ADDR_REG_OFFSET); 1273 } 1274 outb_p(value & 0xff, 1275 client->addr + W83781D_DATA_REG_OFFSET); 1276 if (reg & 0xff00) { 1277 outb_p(W83781D_REG_BANK, 1278 client->addr + W83781D_ADDR_REG_OFFSET); 1279 outb_p(0, client->addr + W83781D_DATA_REG_OFFSET); 1280 } 1281 up(&data->lock); 1282 return 0; 1283 } 1284 1285 /* Called when we have found a new W83781D. It should set limits, etc. */ 1286 static void w83627hf_init_client(struct i2c_client *client) 1287 { 1288 struct w83627hf_data *data = i2c_get_clientdata(client); 1289 int i; 1290 int type = data->type; 1291 u8 tmp; 1292 1293 if(init) { 1294 /* save this register */ 1295 i = w83627hf_read_value(client, W83781D_REG_BEEP_CONFIG); 1296 /* Reset all except Watchdog values and last conversion values 1297 This sets fan-divs to 2, among others */ 1298 w83627hf_write_value(client, W83781D_REG_CONFIG, 0x80); 1299 /* Restore the register and disable power-on abnormal beep. 1300 This saves FAN 1/2/3 input/output values set by BIOS. */ 1301 w83627hf_write_value(client, W83781D_REG_BEEP_CONFIG, i | 0x80); 1302 /* Disable master beep-enable (reset turns it on). 1303 Individual beeps should be reset to off but for some reason 1304 disabling this bit helps some people not get beeped */ 1305 w83627hf_write_value(client, W83781D_REG_BEEP_INTS2, 0); 1306 } 1307 1308 /* Minimize conflicts with other winbond i2c-only clients... */ 1309 /* disable i2c subclients... how to disable main i2c client?? */ 1310 /* force i2c address to relatively uncommon address */ 1311 w83627hf_write_value(client, W83781D_REG_I2C_SUBADDR, 0x89); 1312 w83627hf_write_value(client, W83781D_REG_I2C_ADDR, force_i2c); 1313 1314 /* Read VID only once */ 1315 if (w83627hf == data->type || w83637hf == data->type) { 1316 int lo = w83627hf_read_value(client, W83781D_REG_VID_FANDIV); 1317 int hi = w83627hf_read_value(client, W83781D_REG_CHIPID); 1318 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4); 1319 } else if (w83627thf == data->type) { 1320 data->vid = w83627thf_read_gpio5(client) & 0x3f; 1321 } 1322 1323 /* Read VRM & OVT Config only once */ 1324 if (w83627thf == data->type || w83637hf == data->type) { 1325 data->vrm_ovt = 1326 w83627hf_read_value(client, W83627THF_REG_VRM_OVT_CFG); 1327 data->vrm = (data->vrm_ovt & 0x01) ? 90 : 82; 1328 } else { 1329 /* Convert VID to voltage based on default VRM */ 1330 data->vrm = i2c_which_vrm(); 1331 } 1332 1333 tmp = w83627hf_read_value(client, W83781D_REG_SCFG1); 1334 for (i = 1; i <= 3; i++) { 1335 if (!(tmp & BIT_SCFG1[i - 1])) { 1336 data->sens[i - 1] = W83781D_DEFAULT_BETA; 1337 } else { 1338 if (w83627hf_read_value 1339 (client, 1340 W83781D_REG_SCFG2) & BIT_SCFG2[i - 1]) 1341 data->sens[i - 1] = 1; 1342 else 1343 data->sens[i - 1] = 2; 1344 } 1345 if ((type == w83697hf) && (i == 2)) 1346 break; 1347 } 1348 1349 if(init) { 1350 /* Enable temp2 */ 1351 tmp = w83627hf_read_value(client, W83781D_REG_TEMP2_CONFIG); 1352 if (tmp & 0x01) { 1353 dev_warn(&client->dev, "Enabling temp2, readings " 1354 "might not make sense\n"); 1355 w83627hf_write_value(client, W83781D_REG_TEMP2_CONFIG, 1356 tmp & 0xfe); 1357 } 1358 1359 /* Enable temp3 */ 1360 if (type != w83697hf) { 1361 tmp = w83627hf_read_value(client, 1362 W83781D_REG_TEMP3_CONFIG); 1363 if (tmp & 0x01) { 1364 dev_warn(&client->dev, "Enabling temp3, " 1365 "readings might not make sense\n"); 1366 w83627hf_write_value(client, 1367 W83781D_REG_TEMP3_CONFIG, tmp & 0xfe); 1368 } 1369 } 1370 1371 if (type == w83627hf) { 1372 /* enable PWM2 control (can't hurt since PWM reg 1373 should have been reset to 0xff) */ 1374 w83627hf_write_value(client, W83627HF_REG_PWMCLK12, 1375 0x19); 1376 } 1377 /* enable comparator mode for temp2 and temp3 so 1378 alarm indication will work correctly */ 1379 i = w83627hf_read_value(client, W83781D_REG_IRQ); 1380 if (!(i & 0x40)) 1381 w83627hf_write_value(client, W83781D_REG_IRQ, 1382 i | 0x40); 1383 } 1384 1385 /* Start monitoring */ 1386 w83627hf_write_value(client, W83781D_REG_CONFIG, 1387 (w83627hf_read_value(client, 1388 W83781D_REG_CONFIG) & 0xf7) 1389 | 0x01); 1390 } 1391 1392 static struct w83627hf_data *w83627hf_update_device(struct device *dev) 1393 { 1394 struct i2c_client *client = to_i2c_client(dev); 1395 struct w83627hf_data *data = i2c_get_clientdata(client); 1396 int i; 1397 1398 down(&data->update_lock); 1399 1400 if (time_after(jiffies, data->last_updated + HZ + HZ / 2) 1401 || !data->valid) { 1402 for (i = 0; i <= 8; i++) { 1403 /* skip missing sensors */ 1404 if (((data->type == w83697hf) && (i == 1)) || 1405 ((data->type == w83627thf || data->type == w83637hf) 1406 && (i == 4 || i == 5))) 1407 continue; 1408 data->in[i] = 1409 w83627hf_read_value(client, W83781D_REG_IN(i)); 1410 data->in_min[i] = 1411 w83627hf_read_value(client, 1412 W83781D_REG_IN_MIN(i)); 1413 data->in_max[i] = 1414 w83627hf_read_value(client, 1415 W83781D_REG_IN_MAX(i)); 1416 } 1417 for (i = 1; i <= 3; i++) { 1418 data->fan[i - 1] = 1419 w83627hf_read_value(client, W83781D_REG_FAN(i)); 1420 data->fan_min[i - 1] = 1421 w83627hf_read_value(client, 1422 W83781D_REG_FAN_MIN(i)); 1423 } 1424 for (i = 1; i <= 3; i++) { 1425 u8 tmp = w83627hf_read_value(client, 1426 W836X7HF_REG_PWM(data->type, i)); 1427 /* bits 0-3 are reserved in 627THF */ 1428 if (data->type == w83627thf) 1429 tmp &= 0xf0; 1430 data->pwm[i - 1] = tmp; 1431 if(i == 2 && 1432 (data->type == w83627hf || data->type == w83697hf)) 1433 break; 1434 } 1435 1436 data->temp = w83627hf_read_value(client, W83781D_REG_TEMP(1)); 1437 data->temp_max = 1438 w83627hf_read_value(client, W83781D_REG_TEMP_OVER(1)); 1439 data->temp_max_hyst = 1440 w83627hf_read_value(client, W83781D_REG_TEMP_HYST(1)); 1441 data->temp_add[0] = 1442 w83627hf_read_value(client, W83781D_REG_TEMP(2)); 1443 data->temp_max_add[0] = 1444 w83627hf_read_value(client, W83781D_REG_TEMP_OVER(2)); 1445 data->temp_max_hyst_add[0] = 1446 w83627hf_read_value(client, W83781D_REG_TEMP_HYST(2)); 1447 if (data->type != w83697hf) { 1448 data->temp_add[1] = 1449 w83627hf_read_value(client, W83781D_REG_TEMP(3)); 1450 data->temp_max_add[1] = 1451 w83627hf_read_value(client, W83781D_REG_TEMP_OVER(3)); 1452 data->temp_max_hyst_add[1] = 1453 w83627hf_read_value(client, W83781D_REG_TEMP_HYST(3)); 1454 } 1455 1456 i = w83627hf_read_value(client, W83781D_REG_VID_FANDIV); 1457 data->fan_div[0] = (i >> 4) & 0x03; 1458 data->fan_div[1] = (i >> 6) & 0x03; 1459 if (data->type != w83697hf) { 1460 data->fan_div[2] = (w83627hf_read_value(client, 1461 W83781D_REG_PIN) >> 6) & 0x03; 1462 } 1463 i = w83627hf_read_value(client, W83781D_REG_VBAT); 1464 data->fan_div[0] |= (i >> 3) & 0x04; 1465 data->fan_div[1] |= (i >> 4) & 0x04; 1466 if (data->type != w83697hf) 1467 data->fan_div[2] |= (i >> 5) & 0x04; 1468 data->alarms = 1469 w83627hf_read_value(client, W83781D_REG_ALARM1) | 1470 (w83627hf_read_value(client, W83781D_REG_ALARM2) << 8) | 1471 (w83627hf_read_value(client, W83781D_REG_ALARM3) << 16); 1472 i = w83627hf_read_value(client, W83781D_REG_BEEP_INTS2); 1473 data->beep_enable = i >> 7; 1474 data->beep_mask = ((i & 0x7f) << 8) | 1475 w83627hf_read_value(client, W83781D_REG_BEEP_INTS1) | 1476 w83627hf_read_value(client, W83781D_REG_BEEP_INTS3) << 16; 1477 data->last_updated = jiffies; 1478 data->valid = 1; 1479 } 1480 1481 up(&data->update_lock); 1482 1483 return data; 1484 } 1485 1486 static int __init sensors_w83627hf_init(void) 1487 { 1488 int addr; 1489 1490 if (w83627hf_find(0x2e, &addr) 1491 && w83627hf_find(0x4e, &addr)) { 1492 return -ENODEV; 1493 } 1494 normal_isa[0] = addr; 1495 1496 return i2c_add_driver(&w83627hf_driver); 1497 } 1498 1499 static void __exit sensors_w83627hf_exit(void) 1500 { 1501 i2c_del_driver(&w83627hf_driver); 1502 } 1503 1504 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, " 1505 "Philip Edelbrock <phil@netroedge.com>, " 1506 "and Mark Studebaker <mdsxyz123@yahoo.com>"); 1507 MODULE_DESCRIPTION("W83627HF driver"); 1508 MODULE_LICENSE("GPL"); 1509 1510 module_init(sensors_w83627hf_init); 1511 module_exit(sensors_w83627hf_exit); 1512