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[PATCH] I2C: Separate non-i2c hwmon drivers from i2c-core (3/9)
[linux-2.6/cjktty.git] / drivers / hwmon / w83627hf.c
bloba2c7cea502cbbe352f528b1aa416cc4fbcb1b9fa
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-isa.h>
46 #include <linux/i2c-sensor.h>
47 #include <linux/i2c-vid.h>
48 #include <linux/hwmon.h>
49 #include <linux/err.h>
50 #include <asm/io.h>
51 #include "lm75.h"
52
53 static u16 force_addr;
54 module_param(force_addr, ushort, 0);
55 MODULE_PARM_DESC(force_addr,
56 "Initialize the base address of the sensors");
57 static u8 force_i2c = 0x1f;
58 module_param(force_i2c, byte, 0);
59 MODULE_PARM_DESC(force_i2c,
60 "Initialize the i2c address of the sensors");
61
62 /* Addresses to scan */
63 static unsigned short normal_i2c[] = { I2C_CLIENT_END };
64 static unsigned int normal_isa[] = { 0, I2C_CLIENT_ISA_END };
65
66 /* Insmod parameters */
67 SENSORS_INSMOD_4(w83627hf, w83627thf, w83697hf, w83637hf);
68
69 static int init = 1;
70 module_param(init, bool, 0);
71 MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
72
73 /* modified from kernel/include/traps.c */
74 static int REG; /* The register to read/write */
75 #define DEV 0x07 /* Register: Logical device select */
76 static int VAL; /* The value to read/write */
77
78 /* logical device numbers for superio_select (below) */
79 #define W83627HF_LD_FDC 0x00
80 #define W83627HF_LD_PRT 0x01
81 #define W83627HF_LD_UART1 0x02
82 #define W83627HF_LD_UART2 0x03
83 #define W83627HF_LD_KBC 0x05
84 #define W83627HF_LD_CIR 0x06 /* w83627hf only */
85 #define W83627HF_LD_GAME 0x07
86 #define W83627HF_LD_MIDI 0x07
87 #define W83627HF_LD_GPIO1 0x07
88 #define W83627HF_LD_GPIO5 0x07 /* w83627thf only */
89 #define W83627HF_LD_GPIO2 0x08
90 #define W83627HF_LD_GPIO3 0x09
91 #define W83627HF_LD_GPIO4 0x09 /* w83627thf only */
92 #define W83627HF_LD_ACPI 0x0a
93 #define W83627HF_LD_HWM 0x0b
94
95 #define DEVID 0x20 /* Register: Device ID */
96
97 #define W83627THF_GPIO5_EN 0x30 /* w83627thf only */
98 #define W83627THF_GPIO5_IOSR 0xf3 /* w83627thf only */
99 #define W83627THF_GPIO5_DR 0xf4 /* w83627thf only */
100
101 static inline void
102 superio_outb(int reg, int val)
103 {
104 outb(reg, REG);
105 outb(val, VAL);
106 }
107
108 static inline int
109 superio_inb(int reg)
110 {
111 outb(reg, REG);
112 return inb(VAL);
113 }
114
115 static inline void
116 superio_select(int ld)
117 {
118 outb(DEV, REG);
119 outb(ld, VAL);
120 }
121
122 static inline void
123 superio_enter(void)
124 {
125 outb(0x87, REG);
126 outb(0x87, REG);
127 }
128
129 static inline void
130 superio_exit(void)
131 {
132 outb(0xAA, REG);
133 }
134
135 #define W627_DEVID 0x52
136 #define W627THF_DEVID 0x82
137 #define W697_DEVID 0x60
138 #define W637_DEVID 0x70
139 #define WINB_ACT_REG 0x30
140 #define WINB_BASE_REG 0x60
141 /* Constants specified below */
142
143 /* Length of ISA address segment */
144 #define WINB_EXTENT 8
145
146 /* Where are the ISA address/data registers relative to the base address */
147 #define W83781D_ADDR_REG_OFFSET 5
148 #define W83781D_DATA_REG_OFFSET 6
149
150 /* The W83781D registers */
151 /* The W83782D registers for nr=7,8 are in bank 5 */
152 #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
153 (0x554 + (((nr) - 7) * 2)))
154 #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
155 (0x555 + (((nr) - 7) * 2)))
156 #define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \
157 (0x550 + (nr) - 7))
158
159 #define W83781D_REG_FAN_MIN(nr) (0x3a + (nr))
160 #define W83781D_REG_FAN(nr) (0x27 + (nr))
161
162 #define W83781D_REG_TEMP2_CONFIG 0x152
163 #define W83781D_REG_TEMP3_CONFIG 0x252
164 #define W83781D_REG_TEMP(nr) ((nr == 3) ? (0x0250) : \
165 ((nr == 2) ? (0x0150) : \
166 (0x27)))
167 #define W83781D_REG_TEMP_HYST(nr) ((nr == 3) ? (0x253) : \
168 ((nr == 2) ? (0x153) : \
169 (0x3A)))
170 #define W83781D_REG_TEMP_OVER(nr) ((nr == 3) ? (0x255) : \
171 ((nr == 2) ? (0x155) : \
172 (0x39)))
173
174 #define W83781D_REG_BANK 0x4E
175
176 #define W83781D_REG_CONFIG 0x40
177 #define W83781D_REG_ALARM1 0x41
178 #define W83781D_REG_ALARM2 0x42
179 #define W83781D_REG_ALARM3 0x450
180
181 #define W83781D_REG_IRQ 0x4C
182 #define W83781D_REG_BEEP_CONFIG 0x4D
183 #define W83781D_REG_BEEP_INTS1 0x56
184 #define W83781D_REG_BEEP_INTS2 0x57
185 #define W83781D_REG_BEEP_INTS3 0x453
186
187 #define W83781D_REG_VID_FANDIV 0x47
188
189 #define W83781D_REG_CHIPID 0x49
190 #define W83781D_REG_WCHIPID 0x58
191 #define W83781D_REG_CHIPMAN 0x4F
192 #define W83781D_REG_PIN 0x4B
193
194 #define W83781D_REG_VBAT 0x5D
195
196 #define W83627HF_REG_PWM1 0x5A
197 #define W83627HF_REG_PWM2 0x5B
198 #define W83627HF_REG_PWMCLK12 0x5C
199
200 #define W83627THF_REG_PWM1 0x01 /* 697HF and 637HF too */
201 #define W83627THF_REG_PWM2 0x03 /* 697HF and 637HF too */
202 #define W83627THF_REG_PWM3 0x11 /* 637HF too */
203
204 #define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF too */
205
206 static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
207 static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
208 W83627THF_REG_PWM3 };
209 #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \
210 regpwm_627hf[(nr) - 1] : regpwm[(nr) - 1])
211
212 #define W83781D_REG_I2C_ADDR 0x48
213 #define W83781D_REG_I2C_SUBADDR 0x4A
214
215 /* Sensor selection */
216 #define W83781D_REG_SCFG1 0x5D
217 static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
218 #define W83781D_REG_SCFG2 0x59
219 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
220 #define W83781D_DEFAULT_BETA 3435
221
222 /* Conversions. Limit checking is only done on the TO_REG
223 variants. Note that you should be a bit careful with which arguments
224 these macros are called: arguments may be evaluated more than once.
225 Fixing this is just not worth it. */
226 #define IN_TO_REG(val) (SENSORS_LIMIT((((val) + 8)/16),0,255))
227 #define IN_FROM_REG(val) ((val) * 16)
228
229 static inline u8 FAN_TO_REG(long rpm, int div)
230 {
231 if (rpm == 0)
232 return 255;
233 rpm = SENSORS_LIMIT(rpm, 1, 1000000);
234 return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1,
235 254);
236 }
237
238 #define TEMP_MIN (-128000)
239 #define TEMP_MAX ( 127000)
240
241 /* TEMP: 0.001C/bit (-128C to +127C)
242 REG: 1C/bit, two's complement */
243 static u8 TEMP_TO_REG(int temp)
244 {
245 int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX);
246 ntemp += (ntemp<0 ? -500 : 500);
247 return (u8)(ntemp / 1000);
248 }
249
250 static int TEMP_FROM_REG(u8 reg)
251 {
252 return (s8)reg * 1000;
253 }
254
255 #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
256
257 #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255))
258
259 #define BEEP_MASK_FROM_REG(val) (val)
260 #define BEEP_MASK_TO_REG(val) ((val) & 0xffffff)
261 #define BEEP_ENABLE_TO_REG(val) ((val)?1:0)
262 #define BEEP_ENABLE_FROM_REG(val) ((val)?1:0)
263
264 #define DIV_FROM_REG(val) (1 << (val))
265
266 static inline u8 DIV_TO_REG(long val)
267 {
268 int i;
269 val = SENSORS_LIMIT(val, 1, 128) >> 1;
270 for (i = 0; i < 7; i++) {
271 if (val == 0)
272 break;
273 val >>= 1;
274 }
275 return ((u8) i);
276 }
277
278 /* For each registered chip, we need to keep some data in memory. That
279 data is pointed to by w83627hf_list[NR]->data. The structure itself is
280 dynamically allocated, at the same time when a new client is allocated. */
281 struct w83627hf_data {
282 struct i2c_client client;
283 struct class_device *class_dev;
284 struct semaphore lock;
285 enum chips type;
286
287 struct semaphore update_lock;
288 char valid; /* !=0 if following fields are valid */
289 unsigned long last_updated; /* In jiffies */
290
291 struct i2c_client *lm75; /* for secondary I2C addresses */
292 /* pointer to array of 2 subclients */
293
294 u8 in[9]; /* Register value */
295 u8 in_max[9]; /* Register value */
296 u8 in_min[9]; /* Register value */
297 u8 fan[3]; /* Register value */
298 u8 fan_min[3]; /* Register value */
299 u8 temp;
300 u8 temp_max; /* Register value */
301 u8 temp_max_hyst; /* Register value */
302 u16 temp_add[2]; /* Register value */
303 u16 temp_max_add[2]; /* Register value */
304 u16 temp_max_hyst_add[2]; /* Register value */
305 u8 fan_div[3]; /* Register encoding, shifted right */
306 u8 vid; /* Register encoding, combined */
307 u32 alarms; /* Register encoding, combined */
308 u32 beep_mask; /* Register encoding, combined */
309 u8 beep_enable; /* Boolean */
310 u8 pwm[3]; /* Register value */
311 u16 sens[3]; /* 782D/783S only.
312 1 = pentium diode; 2 = 3904 diode;
313 3000-5000 = thermistor beta.
314 Default = 3435.
315 Other Betas unimplemented */
316 u8 vrm;
317 u8 vrm_ovt; /* Register value, 627thf & 637hf only */
318 };
319
320
321 static int w83627hf_attach_adapter(struct i2c_adapter *adapter);
322 static int w83627hf_detect(struct i2c_adapter *adapter, int address,
323 int kind);
324 static int w83627hf_detach_client(struct i2c_client *client);
325
326 static int w83627hf_read_value(struct i2c_client *client, u16 register);
327 static int w83627hf_write_value(struct i2c_client *client, u16 register,
328 u16 value);
329 static struct w83627hf_data *w83627hf_update_device(struct device *dev);
330 static void w83627hf_init_client(struct i2c_client *client);
331
332 static struct i2c_driver w83627hf_driver = {
333 .owner = THIS_MODULE,
334 .name = "w83627hf",
335 .id = I2C_DRIVERID_W83627HF,
336 .flags = I2C_DF_NOTIFY,
337 .attach_adapter = w83627hf_attach_adapter,
338 .detach_client = w83627hf_detach_client,
339 };
340
341 /* following are the sysfs callback functions */
342 #define show_in_reg(reg) \
343 static ssize_t show_##reg (struct device *dev, char *buf, int nr) \
344 { \
345 struct w83627hf_data *data = w83627hf_update_device(dev); \
346 return sprintf(buf,"%ld\n", (long)IN_FROM_REG(data->reg[nr])); \
347 }
348 show_in_reg(in)
349 show_in_reg(in_min)
350 show_in_reg(in_max)
351
352 #define store_in_reg(REG, reg) \
353 static ssize_t \
354 store_in_##reg (struct device *dev, const char *buf, size_t count, int nr) \
355 { \
356 struct i2c_client *client = to_i2c_client(dev); \
357 struct w83627hf_data *data = i2c_get_clientdata(client); \
358 u32 val; \
359 \
360 val = simple_strtoul(buf, NULL, 10); \
361 \
362 down(&data->update_lock); \
363 data->in_##reg[nr] = IN_TO_REG(val); \
364 w83627hf_write_value(client, W83781D_REG_IN_##REG(nr), \
365 data->in_##reg[nr]); \
366 \
367 up(&data->update_lock); \
368 return count; \
369 }
370 store_in_reg(MIN, min)
371 store_in_reg(MAX, max)
372
373 #define sysfs_in_offset(offset) \
374 static ssize_t \
375 show_regs_in_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
376 { \
377 return show_in(dev, buf, offset); \
378 } \
379 static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_regs_in_##offset, NULL);
380
381 #define sysfs_in_reg_offset(reg, offset) \
382 static ssize_t show_regs_in_##reg##offset (struct device *dev, struct device_attribute *attr, char *buf) \
383 { \
384 return show_in_##reg (dev, buf, offset); \
385 } \
386 static ssize_t \
387 store_regs_in_##reg##offset (struct device *dev, struct device_attribute *attr, \
388 const char *buf, size_t count) \
389 { \
390 return store_in_##reg (dev, buf, count, offset); \
391 } \
392 static DEVICE_ATTR(in##offset##_##reg, S_IRUGO| S_IWUSR, \
393 show_regs_in_##reg##offset, store_regs_in_##reg##offset);
394
395 #define sysfs_in_offsets(offset) \
396 sysfs_in_offset(offset) \
397 sysfs_in_reg_offset(min, offset) \
398 sysfs_in_reg_offset(max, offset)
399
400 sysfs_in_offsets(1);
401 sysfs_in_offsets(2);
402 sysfs_in_offsets(3);
403 sysfs_in_offsets(4);
404 sysfs_in_offsets(5);
405 sysfs_in_offsets(6);
406 sysfs_in_offsets(7);
407 sysfs_in_offsets(8);
408
409 /* use a different set of functions for in0 */
410 static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
411 {
412 long in0;
413
414 if ((data->vrm_ovt & 0x01) &&
415 (w83627thf == data->type || w83637hf == data->type))
416
417 /* use VRM9 calculation */
418 in0 = (long)((reg * 488 + 70000 + 50) / 100);
419 else
420 /* use VRM8 (standard) calculation */
421 in0 = (long)IN_FROM_REG(reg);
422
423 return sprintf(buf,"%ld\n", in0);
424 }
425
426 static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf)
427 {
428 struct w83627hf_data *data = w83627hf_update_device(dev);
429 return show_in_0(data, buf, data->in[0]);
430 }
431
432 static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf)
433 {
434 struct w83627hf_data *data = w83627hf_update_device(dev);
435 return show_in_0(data, buf, data->in_min[0]);
436 }
437
438 static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf)
439 {
440 struct w83627hf_data *data = w83627hf_update_device(dev);
441 return show_in_0(data, buf, data->in_max[0]);
442 }
443
444 static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr,
445 const char *buf, size_t count)
446 {
447 struct i2c_client *client = to_i2c_client(dev);
448 struct w83627hf_data *data = i2c_get_clientdata(client);
449 u32 val;
450
451 val = simple_strtoul(buf, NULL, 10);
452
453 down(&data->update_lock);
454
455 if ((data->vrm_ovt & 0x01) &&
456 (w83627thf == data->type || w83637hf == data->type))
457
458 /* use VRM9 calculation */
459 data->in_min[0] = (u8)(((val * 100) - 70000 + 244) / 488);
460 else
461 /* use VRM8 (standard) calculation */
462 data->in_min[0] = IN_TO_REG(val);
463
464 w83627hf_write_value(client, W83781D_REG_IN_MIN(0), data->in_min[0]);
465 up(&data->update_lock);
466 return count;
467 }
468
469 static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr,
470 const char *buf, size_t count)
471 {
472 struct i2c_client *client = to_i2c_client(dev);
473 struct w83627hf_data *data = i2c_get_clientdata(client);
474 u32 val;
475
476 val = simple_strtoul(buf, NULL, 10);
477
478 down(&data->update_lock);
479
480 if ((data->vrm_ovt & 0x01) &&
481 (w83627thf == data->type || w83637hf == data->type))
482
483 /* use VRM9 calculation */
484 data->in_max[0] = (u8)(((val * 100) - 70000 + 244) / 488);
485 else
486 /* use VRM8 (standard) calculation */
487 data->in_max[0] = IN_TO_REG(val);
488
489 w83627hf_write_value(client, W83781D_REG_IN_MAX(0), data->in_max[0]);
490 up(&data->update_lock);
491 return count;
492 }
493
494 static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL);
495 static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
496 show_regs_in_min0, store_regs_in_min0);
497 static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
498 show_regs_in_max0, store_regs_in_max0);
499
500 #define device_create_file_in(client, offset) \
501 do { \
502 device_create_file(&client->dev, &dev_attr_in##offset##_input); \
503 device_create_file(&client->dev, &dev_attr_in##offset##_min); \
504 device_create_file(&client->dev, &dev_attr_in##offset##_max); \
505 } while (0)
506
507 #define show_fan_reg(reg) \
508 static ssize_t show_##reg (struct device *dev, char *buf, int nr) \
509 { \
510 struct w83627hf_data *data = w83627hf_update_device(dev); \
511 return sprintf(buf,"%ld\n", \
512 FAN_FROM_REG(data->reg[nr-1], \
513 (long)DIV_FROM_REG(data->fan_div[nr-1]))); \
514 }
515 show_fan_reg(fan);
516 show_fan_reg(fan_min);
517
518 static ssize_t
519 store_fan_min(struct device *dev, const char *buf, size_t count, int nr)
520 {
521 struct i2c_client *client = to_i2c_client(dev);
522 struct w83627hf_data *data = i2c_get_clientdata(client);
523 u32 val;
524
525 val = simple_strtoul(buf, NULL, 10);
526
527 down(&data->update_lock);
528 data->fan_min[nr - 1] =
529 FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr - 1]));
530 w83627hf_write_value(client, W83781D_REG_FAN_MIN(nr),
531 data->fan_min[nr - 1]);
532
533 up(&data->update_lock);
534 return count;
535 }
536
537 #define sysfs_fan_offset(offset) \
538 static ssize_t show_regs_fan_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
539 { \
540 return show_fan(dev, buf, offset); \
541 } \
542 static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_regs_fan_##offset, NULL);
543
544 #define sysfs_fan_min_offset(offset) \
545 static ssize_t show_regs_fan_min##offset (struct device *dev, struct device_attribute *attr, char *buf) \
546 { \
547 return show_fan_min(dev, buf, offset); \
548 } \
549 static ssize_t \
550 store_regs_fan_min##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
551 { \
552 return store_fan_min(dev, buf, count, offset); \
553 } \
554 static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
555 show_regs_fan_min##offset, store_regs_fan_min##offset);
556
557 sysfs_fan_offset(1);
558 sysfs_fan_min_offset(1);
559 sysfs_fan_offset(2);
560 sysfs_fan_min_offset(2);
561 sysfs_fan_offset(3);
562 sysfs_fan_min_offset(3);
563
564 #define device_create_file_fan(client, offset) \
565 do { \
566 device_create_file(&client->dev, &dev_attr_fan##offset##_input); \
567 device_create_file(&client->dev, &dev_attr_fan##offset##_min); \
568 } while (0)
569
570 #define show_temp_reg(reg) \
571 static ssize_t show_##reg (struct device *dev, char *buf, int nr) \
572 { \
573 struct w83627hf_data *data = w83627hf_update_device(dev); \
574 if (nr >= 2) { /* TEMP2 and TEMP3 */ \
575 return sprintf(buf,"%ld\n", \
576 (long)LM75_TEMP_FROM_REG(data->reg##_add[nr-2])); \
577 } else { /* TEMP1 */ \
578 return sprintf(buf,"%ld\n", (long)TEMP_FROM_REG(data->reg)); \
579 } \
580 }
581 show_temp_reg(temp);
582 show_temp_reg(temp_max);
583 show_temp_reg(temp_max_hyst);
584
585 #define store_temp_reg(REG, reg) \
586 static ssize_t \
587 store_temp_##reg (struct device *dev, const char *buf, size_t count, int nr) \
588 { \
589 struct i2c_client *client = to_i2c_client(dev); \
590 struct w83627hf_data *data = i2c_get_clientdata(client); \
591 u32 val; \
592 \
593 val = simple_strtoul(buf, NULL, 10); \
594 \
595 down(&data->update_lock); \
596 \
597 if (nr >= 2) { /* TEMP2 and TEMP3 */ \
598 data->temp_##reg##_add[nr-2] = LM75_TEMP_TO_REG(val); \
599 w83627hf_write_value(client, W83781D_REG_TEMP_##REG(nr), \
600 data->temp_##reg##_add[nr-2]); \
601 } else { /* TEMP1 */ \
602 data->temp_##reg = TEMP_TO_REG(val); \
603 w83627hf_write_value(client, W83781D_REG_TEMP_##REG(nr), \
604 data->temp_##reg); \
605 } \
606 \
607 up(&data->update_lock); \
608 return count; \
609 }
610 store_temp_reg(OVER, max);
611 store_temp_reg(HYST, max_hyst);
612
613 #define sysfs_temp_offset(offset) \
614 static ssize_t \
615 show_regs_temp_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
616 { \
617 return show_temp(dev, buf, offset); \
618 } \
619 static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_regs_temp_##offset, NULL);
620
621 #define sysfs_temp_reg_offset(reg, offset) \
622 static ssize_t show_regs_temp_##reg##offset (struct device *dev, struct device_attribute *attr, char *buf) \
623 { \
624 return show_temp_##reg (dev, buf, offset); \
625 } \
626 static ssize_t \
627 store_regs_temp_##reg##offset (struct device *dev, struct device_attribute *attr, \
628 const char *buf, size_t count) \
629 { \
630 return store_temp_##reg (dev, buf, count, offset); \
631 } \
632 static DEVICE_ATTR(temp##offset##_##reg, S_IRUGO| S_IWUSR, \
633 show_regs_temp_##reg##offset, store_regs_temp_##reg##offset);
634
635 #define sysfs_temp_offsets(offset) \
636 sysfs_temp_offset(offset) \
637 sysfs_temp_reg_offset(max, offset) \
638 sysfs_temp_reg_offset(max_hyst, offset)
639
640 sysfs_temp_offsets(1);
641 sysfs_temp_offsets(2);
642 sysfs_temp_offsets(3);
643
644 #define device_create_file_temp(client, offset) \
645 do { \
646 device_create_file(&client->dev, &dev_attr_temp##offset##_input); \
647 device_create_file(&client->dev, &dev_attr_temp##offset##_max); \
648 device_create_file(&client->dev, &dev_attr_temp##offset##_max_hyst); \
649 } while (0)
650
651 static ssize_t
652 show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
653 {
654 struct w83627hf_data *data = w83627hf_update_device(dev);
655 return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
656 }
657 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
658 #define device_create_file_vid(client) \
659 device_create_file(&client->dev, &dev_attr_cpu0_vid)
660
661 static ssize_t
662 show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
663 {
664 struct w83627hf_data *data = w83627hf_update_device(dev);
665 return sprintf(buf, "%ld\n", (long) data->vrm);
666 }
667 static ssize_t
668 store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
669 {
670 struct i2c_client *client = to_i2c_client(dev);
671 struct w83627hf_data *data = i2c_get_clientdata(client);
672 u32 val;
673
674 val = simple_strtoul(buf, NULL, 10);
675 data->vrm = val;
676
677 return count;
678 }
679 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
680 #define device_create_file_vrm(client) \
681 device_create_file(&client->dev, &dev_attr_vrm)
682
683 static ssize_t
684 show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
685 {
686 struct w83627hf_data *data = w83627hf_update_device(dev);
687 return sprintf(buf, "%ld\n", (long) data->alarms);
688 }
689 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
690 #define device_create_file_alarms(client) \
691 device_create_file(&client->dev, &dev_attr_alarms)
692
693 #define show_beep_reg(REG, reg) \
694 static ssize_t show_beep_##reg (struct device *dev, struct device_attribute *attr, char *buf) \
695 { \
696 struct w83627hf_data *data = w83627hf_update_device(dev); \
697 return sprintf(buf,"%ld\n", \
698 (long)BEEP_##REG##_FROM_REG(data->beep_##reg)); \
699 }
700 show_beep_reg(ENABLE, enable)
701 show_beep_reg(MASK, mask)
702
703 #define BEEP_ENABLE 0 /* Store beep_enable */
704 #define BEEP_MASK 1 /* Store beep_mask */
705
706 static ssize_t
707 store_beep_reg(struct device *dev, const char *buf, size_t count,
708 int update_mask)
709 {
710 struct i2c_client *client = to_i2c_client(dev);
711 struct w83627hf_data *data = i2c_get_clientdata(client);
712 u32 val, val2;
713
714 val = simple_strtoul(buf, NULL, 10);
715
716 down(&data->update_lock);
717
718 if (update_mask == BEEP_MASK) { /* We are storing beep_mask */
719 data->beep_mask = BEEP_MASK_TO_REG(val);
720 w83627hf_write_value(client, W83781D_REG_BEEP_INTS1,
721 data->beep_mask & 0xff);
722 w83627hf_write_value(client, W83781D_REG_BEEP_INTS3,
723 ((data->beep_mask) >> 16) & 0xff);
724 val2 = (data->beep_mask >> 8) & 0x7f;
725 } else { /* We are storing beep_enable */
726 val2 =
727 w83627hf_read_value(client, W83781D_REG_BEEP_INTS2) & 0x7f;
728 data->beep_enable = BEEP_ENABLE_TO_REG(val);
729 }
730
731 w83627hf_write_value(client, W83781D_REG_BEEP_INTS2,
732 val2 | data->beep_enable << 7);
733
734 up(&data->update_lock);
735 return count;
736 }
737
738 #define sysfs_beep(REG, reg) \
739 static ssize_t show_regs_beep_##reg (struct device *dev, struct device_attribute *attr, char *buf) \
740 { \
741 return show_beep_##reg(dev, attr, buf); \
742 } \
743 static ssize_t \
744 store_regs_beep_##reg (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
745 { \
746 return store_beep_reg(dev, buf, count, BEEP_##REG); \
747 } \
748 static DEVICE_ATTR(beep_##reg, S_IRUGO | S_IWUSR, \
749 show_regs_beep_##reg, store_regs_beep_##reg);
750
751 sysfs_beep(ENABLE, enable);
752 sysfs_beep(MASK, mask);
753
754 #define device_create_file_beep(client) \
755 do { \
756 device_create_file(&client->dev, &dev_attr_beep_enable); \
757 device_create_file(&client->dev, &dev_attr_beep_mask); \
758 } while (0)
759
760 static ssize_t
761 show_fan_div_reg(struct device *dev, char *buf, int nr)
762 {
763 struct w83627hf_data *data = w83627hf_update_device(dev);
764 return sprintf(buf, "%ld\n",
765 (long) DIV_FROM_REG(data->fan_div[nr - 1]));
766 }
767
768 /* Note: we save and restore the fan minimum here, because its value is
769 determined in part by the fan divisor. This follows the principle of
770 least suprise; the user doesn't expect the fan minimum to change just
771 because the divisor changed. */
772 static ssize_t
773 store_fan_div_reg(struct device *dev, const char *buf, size_t count, int nr)
774 {
775 struct i2c_client *client = to_i2c_client(dev);
776 struct w83627hf_data *data = i2c_get_clientdata(client);
777 unsigned long min;
778 u8 reg;
779 unsigned long val = simple_strtoul(buf, NULL, 10);
780
781 down(&data->update_lock);
782
783 /* Save fan_min */
784 min = FAN_FROM_REG(data->fan_min[nr],
785 DIV_FROM_REG(data->fan_div[nr]));
786
787 data->fan_div[nr] = DIV_TO_REG(val);
788
789 reg = (w83627hf_read_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
790 & (nr==0 ? 0xcf : 0x3f))
791 | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
792 w83627hf_write_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
793
794 reg = (w83627hf_read_value(client, W83781D_REG_VBAT)
795 & ~(1 << (5 + nr)))
796 | ((data->fan_div[nr] & 0x04) << (3 + nr));
797 w83627hf_write_value(client, W83781D_REG_VBAT, reg);
798
799 /* Restore fan_min */
800 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
801 w83627hf_write_value(client, W83781D_REG_FAN_MIN(nr+1), data->fan_min[nr]);
802
803 up(&data->update_lock);
804 return count;
805 }
806
807 #define sysfs_fan_div(offset) \
808 static ssize_t show_regs_fan_div_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
809 { \
810 return show_fan_div_reg(dev, buf, offset); \
811 } \
812 static ssize_t \
813 store_regs_fan_div_##offset (struct device *dev, struct device_attribute *attr, \
814 const char *buf, size_t count) \
815 { \
816 return store_fan_div_reg(dev, buf, count, offset - 1); \
817 } \
818 static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
819 show_regs_fan_div_##offset, store_regs_fan_div_##offset);
820
821 sysfs_fan_div(1);
822 sysfs_fan_div(2);
823 sysfs_fan_div(3);
824
825 #define device_create_file_fan_div(client, offset) \
826 do { \
827 device_create_file(&client->dev, &dev_attr_fan##offset##_div); \
828 } while (0)
829
830 static ssize_t
831 show_pwm_reg(struct device *dev, char *buf, int nr)
832 {
833 struct w83627hf_data *data = w83627hf_update_device(dev);
834 return sprintf(buf, "%ld\n", (long) data->pwm[nr - 1]);
835 }
836
837 static ssize_t
838 store_pwm_reg(struct device *dev, const char *buf, size_t count, int nr)
839 {
840 struct i2c_client *client = to_i2c_client(dev);
841 struct w83627hf_data *data = i2c_get_clientdata(client);
842 u32 val;
843
844 val = simple_strtoul(buf, NULL, 10);
845
846 down(&data->update_lock);
847
848 if (data->type == w83627thf) {
849 /* bits 0-3 are reserved in 627THF */
850 data->pwm[nr - 1] = PWM_TO_REG(val) & 0xf0;
851 w83627hf_write_value(client,
852 W836X7HF_REG_PWM(data->type, nr),
853 data->pwm[nr - 1] |
854 (w83627hf_read_value(client,
855 W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
856 } else {
857 data->pwm[nr - 1] = PWM_TO_REG(val);
858 w83627hf_write_value(client,
859 W836X7HF_REG_PWM(data->type, nr),
860 data->pwm[nr - 1]);
861 }
862
863 up(&data->update_lock);
864 return count;
865 }
866
867 #define sysfs_pwm(offset) \
868 static ssize_t show_regs_pwm_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
869 { \
870 return show_pwm_reg(dev, buf, offset); \
871 } \
872 static ssize_t \
873 store_regs_pwm_##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
874 { \
875 return store_pwm_reg(dev, buf, count, offset); \
876 } \
877 static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \
878 show_regs_pwm_##offset, store_regs_pwm_##offset);
879
880 sysfs_pwm(1);
881 sysfs_pwm(2);
882 sysfs_pwm(3);
883
884 #define device_create_file_pwm(client, offset) \
885 do { \
886 device_create_file(&client->dev, &dev_attr_pwm##offset); \
887 } while (0)
888
889 static ssize_t
890 show_sensor_reg(struct device *dev, char *buf, int nr)
891 {
892 struct w83627hf_data *data = w83627hf_update_device(dev);
893 return sprintf(buf, "%ld\n", (long) data->sens[nr - 1]);
894 }
895
896 static ssize_t
897 store_sensor_reg(struct device *dev, const char *buf, size_t count, int nr)
898 {
899 struct i2c_client *client = to_i2c_client(dev);
900 struct w83627hf_data *data = i2c_get_clientdata(client);
901 u32 val, tmp;
902
903 val = simple_strtoul(buf, NULL, 10);
904
905 down(&data->update_lock);
906
907 switch (val) {
908 case 1: /* PII/Celeron diode */
909 tmp = w83627hf_read_value(client, W83781D_REG_SCFG1);
910 w83627hf_write_value(client, W83781D_REG_SCFG1,
911 tmp | BIT_SCFG1[nr - 1]);
912 tmp = w83627hf_read_value(client, W83781D_REG_SCFG2);
913 w83627hf_write_value(client, W83781D_REG_SCFG2,
914 tmp | BIT_SCFG2[nr - 1]);
915 data->sens[nr - 1] = val;
916 break;
917 case 2: /* 3904 */
918 tmp = w83627hf_read_value(client, W83781D_REG_SCFG1);
919 w83627hf_write_value(client, W83781D_REG_SCFG1,
920 tmp | BIT_SCFG1[nr - 1]);
921 tmp = w83627hf_read_value(client, W83781D_REG_SCFG2);
922 w83627hf_write_value(client, W83781D_REG_SCFG2,
923 tmp & ~BIT_SCFG2[nr - 1]);
924 data->sens[nr - 1] = val;
925 break;
926 case W83781D_DEFAULT_BETA: /* thermistor */
927 tmp = w83627hf_read_value(client, W83781D_REG_SCFG1);
928 w83627hf_write_value(client, W83781D_REG_SCFG1,
929 tmp & ~BIT_SCFG1[nr - 1]);
930 data->sens[nr - 1] = val;
931 break;
932 default:
933 dev_err(&client->dev,
934 "Invalid sensor type %ld; must be 1, 2, or %d\n",
935 (long) val, W83781D_DEFAULT_BETA);
936 break;
937 }
938
939 up(&data->update_lock);
940 return count;
941 }
942
943 #define sysfs_sensor(offset) \
944 static ssize_t show_regs_sensor_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
945 { \
946 return show_sensor_reg(dev, buf, offset); \
947 } \
948 static ssize_t \
949 store_regs_sensor_##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
950 { \
951 return store_sensor_reg(dev, buf, count, offset); \
952 } \
953 static DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
954 show_regs_sensor_##offset, store_regs_sensor_##offset);
955
956 sysfs_sensor(1);
957 sysfs_sensor(2);
958 sysfs_sensor(3);
959
960 #define device_create_file_sensor(client, offset) \
961 do { \
962 device_create_file(&client->dev, &dev_attr_temp##offset##_type); \
963 } while (0)
964
965
966 /* This function is called when:
967 * w83627hf_driver is inserted (when this module is loaded), for each
968 available adapter
969 * when a new adapter is inserted (and w83627hf_driver is still present) */
970 static int w83627hf_attach_adapter(struct i2c_adapter *adapter)
971 {
972 return i2c_detect(adapter, &addr_data, w83627hf_detect);
973 }
974
975 static int w83627hf_find(int sioaddr, int *address)
976 {
977 u16 val;
978
979 REG = sioaddr;
980 VAL = sioaddr + 1;
981
982 superio_enter();
983 val= superio_inb(DEVID);
984 if(val != W627_DEVID &&
985 val != W627THF_DEVID &&
986 val != W697_DEVID &&
987 val != W637_DEVID) {
988 superio_exit();
989 return -ENODEV;
990 }
991
992 superio_select(W83627HF_LD_HWM);
993 val = (superio_inb(WINB_BASE_REG) << 8) |
994 superio_inb(WINB_BASE_REG + 1);
995 *address = val & ~(WINB_EXTENT - 1);
996 if (*address == 0 && force_addr == 0) {
997 superio_exit();
998 return -ENODEV;
999 }
1000 if (force_addr)
1001 *address = force_addr; /* so detect will get called */
1002
1003 superio_exit();
1004 return 0;
1005 }
1006
1007 int w83627hf_detect(struct i2c_adapter *adapter, int address,
1008 int kind)
1009 {
1010 int val;
1011 struct i2c_client *new_client;
1012 struct w83627hf_data *data;
1013 int err = 0;
1014 const char *client_name = "";
1015
1016 if (!i2c_is_isa_adapter(adapter)) {
1017 err = -ENODEV;
1018 goto ERROR0;
1019 }
1020
1021 if(force_addr)
1022 address = force_addr & ~(WINB_EXTENT - 1);
1023
1024 if (!request_region(address, WINB_EXTENT, w83627hf_driver.name)) {
1025 err = -EBUSY;
1026 goto ERROR0;
1027 }
1028
1029 if(force_addr) {
1030 printk("w83627hf.o: forcing ISA address 0x%04X\n", address);
1031 superio_enter();
1032 superio_select(W83627HF_LD_HWM);
1033 superio_outb(WINB_BASE_REG, address >> 8);
1034 superio_outb(WINB_BASE_REG+1, address & 0xff);
1035 superio_exit();
1036 }
1037
1038 superio_enter();
1039 val= superio_inb(DEVID);
1040 if(val == W627_DEVID)
1041 kind = w83627hf;
1042 else if(val == W697_DEVID)
1043 kind = w83697hf;
1044 else if(val == W627THF_DEVID)
1045 kind = w83627thf;
1046 else if(val == W637_DEVID)
1047 kind = w83637hf;
1048 else {
1049 dev_info(&adapter->dev,
1050 "Unsupported chip (dev_id=0x%02X).\n", val);
1051 goto ERROR1;
1052 }
1053
1054 superio_select(W83627HF_LD_HWM);
1055 if((val = 0x01 & superio_inb(WINB_ACT_REG)) == 0)
1056 superio_outb(WINB_ACT_REG, 1);
1057 superio_exit();
1058
1059 /* OK. For now, we presume we have a valid client. We now create the
1060 client structure, even though we cannot fill it completely yet.
1061 But it allows us to access w83627hf_{read,write}_value. */
1062
1063 if (!(data = kmalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) {
1064 err = -ENOMEM;
1065 goto ERROR1;
1066 }
1067 memset(data, 0, sizeof(struct w83627hf_data));
1068
1069 new_client = &data->client;
1070 i2c_set_clientdata(new_client, data);
1071 new_client->addr = address;
1072 init_MUTEX(&data->lock);
1073 new_client->adapter = adapter;
1074 new_client->driver = &w83627hf_driver;
1075 new_client->flags = 0;
1076
1077
1078 if (kind == w83627hf) {
1079 client_name = "w83627hf";
1080 } else if (kind == w83627thf) {
1081 client_name = "w83627thf";
1082 } else if (kind == w83697hf) {
1083 client_name = "w83697hf";
1084 } else if (kind == w83637hf) {
1085 client_name = "w83637hf";
1086 }
1087
1088 /* Fill in the remaining client fields and put into the global list */
1089 strlcpy(new_client->name, client_name, I2C_NAME_SIZE);
1090 data->type = kind;
1091 data->valid = 0;
1092 init_MUTEX(&data->update_lock);
1093
1094 /* Tell the I2C layer a new client has arrived */
1095 if ((err = i2c_attach_client(new_client)))
1096 goto ERROR2;
1097
1098 data->lm75 = NULL;
1099
1100 /* Initialize the chip */
1101 w83627hf_init_client(new_client);
1102
1103 /* A few vars need to be filled upon startup */
1104 data->fan_min[0] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(1));
1105 data->fan_min[1] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(2));
1106 data->fan_min[2] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(3));
1107
1108 /* Register sysfs hooks */
1109 data->class_dev = hwmon_device_register(&new_client->dev);
1110 if (IS_ERR(data->class_dev)) {
1111 err = PTR_ERR(data->class_dev);
1112 goto ERROR3;
1113 }
1114
1115 device_create_file_in(new_client, 0);
1116 if (kind != w83697hf)
1117 device_create_file_in(new_client, 1);
1118 device_create_file_in(new_client, 2);
1119 device_create_file_in(new_client, 3);
1120 device_create_file_in(new_client, 4);
1121 if (kind != w83627thf && kind != w83637hf) {
1122 device_create_file_in(new_client, 5);
1123 device_create_file_in(new_client, 6);
1124 }
1125 device_create_file_in(new_client, 7);
1126 device_create_file_in(new_client, 8);
1127
1128 device_create_file_fan(new_client, 1);
1129 device_create_file_fan(new_client, 2);
1130 if (kind != w83697hf)
1131 device_create_file_fan(new_client, 3);
1132
1133 device_create_file_temp(new_client, 1);
1134 device_create_file_temp(new_client, 2);
1135 if (kind != w83697hf)
1136 device_create_file_temp(new_client, 3);
1137
1138 if (kind != w83697hf)
1139 device_create_file_vid(new_client);
1140
1141 if (kind != w83697hf)
1142 device_create_file_vrm(new_client);
1143
1144 device_create_file_fan_div(new_client, 1);
1145 device_create_file_fan_div(new_client, 2);
1146 if (kind != w83697hf)
1147 device_create_file_fan_div(new_client, 3);
1148
1149 device_create_file_alarms(new_client);
1150
1151 device_create_file_beep(new_client);
1152
1153 device_create_file_pwm(new_client, 1);
1154 device_create_file_pwm(new_client, 2);
1155 if (kind == w83627thf || kind == w83637hf)
1156 device_create_file_pwm(new_client, 3);
1157
1158 device_create_file_sensor(new_client, 1);
1159 device_create_file_sensor(new_client, 2);
1160 if (kind != w83697hf)
1161 device_create_file_sensor(new_client, 3);
1162
1163 return 0;
1164
1165 ERROR3:
1166 i2c_detach_client(new_client);
1167 ERROR2:
1168 kfree(data);
1169 ERROR1:
1170 release_region(address, WINB_EXTENT);
1171 ERROR0:
1172 return err;
1173 }
1174
1175 static int w83627hf_detach_client(struct i2c_client *client)
1176 {
1177 struct w83627hf_data *data = i2c_get_clientdata(client);
1178 int err;
1179
1180 hwmon_device_unregister(data->class_dev);
1181
1182 if ((err = i2c_detach_client(client))) {
1183 dev_err(&client->dev,
1184 "Client deregistration failed, client not detached.\n");
1185 return err;
1186 }
1187
1188 release_region(client->addr, WINB_EXTENT);
1189 kfree(data);
1190
1191 return 0;
1192 }
1193
1194
1195 /*
1196 ISA access must always be locked explicitly!
1197 We ignore the W83781D BUSY flag at this moment - it could lead to deadlocks,
1198 would slow down the W83781D access and should not be necessary.
1199 There are some ugly typecasts here, but the good news is - they should
1200 nowhere else be necessary! */
1201 static int w83627hf_read_value(struct i2c_client *client, u16 reg)
1202 {
1203 struct w83627hf_data *data = i2c_get_clientdata(client);
1204 int res, word_sized;
1205
1206 down(&data->lock);
1207 word_sized = (((reg & 0xff00) == 0x100)
1208 || ((reg & 0xff00) == 0x200))
1209 && (((reg & 0x00ff) == 0x50)
1210 || ((reg & 0x00ff) == 0x53)
1211 || ((reg & 0x00ff) == 0x55));
1212 if (reg & 0xff00) {
1213 outb_p(W83781D_REG_BANK,
1214 client->addr + W83781D_ADDR_REG_OFFSET);
1215 outb_p(reg >> 8,
1216 client->addr + W83781D_DATA_REG_OFFSET);
1217 }
1218 outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET);
1219 res = inb_p(client->addr + W83781D_DATA_REG_OFFSET);
1220 if (word_sized) {
1221 outb_p((reg & 0xff) + 1,
1222 client->addr + W83781D_ADDR_REG_OFFSET);
1223 res =
1224 (res << 8) + inb_p(client->addr +
1225 W83781D_DATA_REG_OFFSET);
1226 }
1227 if (reg & 0xff00) {
1228 outb_p(W83781D_REG_BANK,
1229 client->addr + W83781D_ADDR_REG_OFFSET);
1230 outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
1231 }
1232 up(&data->lock);
1233 return res;
1234 }
1235
1236 static int w83627thf_read_gpio5(struct i2c_client *client)
1237 {
1238 int res = 0xff, sel;
1239
1240 superio_enter();
1241 superio_select(W83627HF_LD_GPIO5);
1242
1243 /* Make sure these GPIO pins are enabled */
1244 if (!(superio_inb(W83627THF_GPIO5_EN) & (1<<3))) {
1245 dev_dbg(&client->dev, "GPIO5 disabled, no VID function\n");
1246 goto exit;
1247 }
1248
1249 /* Make sure the pins are configured for input
1250 There must be at least five (VRM 9), and possibly 6 (VRM 10) */
1251 sel = superio_inb(W83627THF_GPIO5_IOSR);
1252 if ((sel & 0x1f) != 0x1f) {
1253 dev_dbg(&client->dev, "GPIO5 not configured for VID "
1254 "function\n");
1255 goto exit;
1256 }
1257
1258 dev_info(&client->dev, "Reading VID from GPIO5\n");
1259 res = superio_inb(W83627THF_GPIO5_DR) & sel;
1260
1261 exit:
1262 superio_exit();
1263 return res;
1264 }
1265
1266 static int w83627hf_write_value(struct i2c_client *client, u16 reg, u16 value)
1267 {
1268 struct w83627hf_data *data = i2c_get_clientdata(client);
1269 int word_sized;
1270
1271 down(&data->lock);
1272 word_sized = (((reg & 0xff00) == 0x100)
1273 || ((reg & 0xff00) == 0x200))
1274 && (((reg & 0x00ff) == 0x53)
1275 || ((reg & 0x00ff) == 0x55));
1276 if (reg & 0xff00) {
1277 outb_p(W83781D_REG_BANK,
1278 client->addr + W83781D_ADDR_REG_OFFSET);
1279 outb_p(reg >> 8,
1280 client->addr + W83781D_DATA_REG_OFFSET);
1281 }
1282 outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET);
1283 if (word_sized) {
1284 outb_p(value >> 8,
1285 client->addr + W83781D_DATA_REG_OFFSET);
1286 outb_p((reg & 0xff) + 1,
1287 client->addr + W83781D_ADDR_REG_OFFSET);
1288 }
1289 outb_p(value & 0xff,
1290 client->addr + W83781D_DATA_REG_OFFSET);
1291 if (reg & 0xff00) {
1292 outb_p(W83781D_REG_BANK,
1293 client->addr + W83781D_ADDR_REG_OFFSET);
1294 outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
1295 }
1296 up(&data->lock);
1297 return 0;
1298 }
1299
1300 /* Called when we have found a new W83781D. It should set limits, etc. */
1301 static void w83627hf_init_client(struct i2c_client *client)
1302 {
1303 struct w83627hf_data *data = i2c_get_clientdata(client);
1304 int i;
1305 int type = data->type;
1306 u8 tmp;
1307
1308 if(init) {
1309 /* save this register */
1310 i = w83627hf_read_value(client, W83781D_REG_BEEP_CONFIG);
1311 /* Reset all except Watchdog values and last conversion values
1312 This sets fan-divs to 2, among others */
1313 w83627hf_write_value(client, W83781D_REG_CONFIG, 0x80);
1314 /* Restore the register and disable power-on abnormal beep.
1315 This saves FAN 1/2/3 input/output values set by BIOS. */
1316 w83627hf_write_value(client, W83781D_REG_BEEP_CONFIG, i | 0x80);
1317 /* Disable master beep-enable (reset turns it on).
1318 Individual beeps should be reset to off but for some reason
1319 disabling this bit helps some people not get beeped */
1320 w83627hf_write_value(client, W83781D_REG_BEEP_INTS2, 0);
1321 }
1322
1323 /* Minimize conflicts with other winbond i2c-only clients... */
1324 /* disable i2c subclients... how to disable main i2c client?? */
1325 /* force i2c address to relatively uncommon address */
1326 w83627hf_write_value(client, W83781D_REG_I2C_SUBADDR, 0x89);
1327 w83627hf_write_value(client, W83781D_REG_I2C_ADDR, force_i2c);
1328
1329 /* Read VID only once */
1330 if (w83627hf == data->type || w83637hf == data->type) {
1331 int lo = w83627hf_read_value(client, W83781D_REG_VID_FANDIV);
1332 int hi = w83627hf_read_value(client, W83781D_REG_CHIPID);
1333 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1334 } else if (w83627thf == data->type) {
1335 data->vid = w83627thf_read_gpio5(client) & 0x3f;
1336 }
1337
1338 /* Read VRM & OVT Config only once */
1339 if (w83627thf == data->type || w83637hf == data->type) {
1340 data->vrm_ovt =
1341 w83627hf_read_value(client, W83627THF_REG_VRM_OVT_CFG);
1342 data->vrm = (data->vrm_ovt & 0x01) ? 90 : 82;
1343 } else {
1344 /* Convert VID to voltage based on default VRM */
1345 data->vrm = i2c_which_vrm();
1346 }
1347
1348 tmp = w83627hf_read_value(client, W83781D_REG_SCFG1);
1349 for (i = 1; i <= 3; i++) {
1350 if (!(tmp & BIT_SCFG1[i - 1])) {
1351 data->sens[i - 1] = W83781D_DEFAULT_BETA;
1352 } else {
1353 if (w83627hf_read_value
1354 (client,
1355 W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1356 data->sens[i - 1] = 1;
1357 else
1358 data->sens[i - 1] = 2;
1359 }
1360 if ((type == w83697hf) && (i == 2))
1361 break;
1362 }
1363
1364 if(init) {
1365 /* Enable temp2 */
1366 tmp = w83627hf_read_value(client, W83781D_REG_TEMP2_CONFIG);
1367 if (tmp & 0x01) {
1368 dev_warn(&client->dev, "Enabling temp2, readings "
1369 "might not make sense\n");
1370 w83627hf_write_value(client, W83781D_REG_TEMP2_CONFIG,
1371 tmp & 0xfe);
1372 }
1373
1374 /* Enable temp3 */
1375 if (type != w83697hf) {
1376 tmp = w83627hf_read_value(client,
1377 W83781D_REG_TEMP3_CONFIG);
1378 if (tmp & 0x01) {
1379 dev_warn(&client->dev, "Enabling temp3, "
1380 "readings might not make sense\n");
1381 w83627hf_write_value(client,
1382 W83781D_REG_TEMP3_CONFIG, tmp & 0xfe);
1383 }
1384 }
1385
1386 if (type == w83627hf) {
1387 /* enable PWM2 control (can't hurt since PWM reg
1388 should have been reset to 0xff) */
1389 w83627hf_write_value(client, W83627HF_REG_PWMCLK12,
1390 0x19);
1391 }
1392 /* enable comparator mode for temp2 and temp3 so
1393 alarm indication will work correctly */
1394 i = w83627hf_read_value(client, W83781D_REG_IRQ);
1395 if (!(i & 0x40))
1396 w83627hf_write_value(client, W83781D_REG_IRQ,
1397 i | 0x40);
1398 }
1399
1400 /* Start monitoring */
1401 w83627hf_write_value(client, W83781D_REG_CONFIG,
1402 (w83627hf_read_value(client,
1403 W83781D_REG_CONFIG) & 0xf7)
1404 | 0x01);
1405 }
1406
1407 static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1408 {
1409 struct i2c_client *client = to_i2c_client(dev);
1410 struct w83627hf_data *data = i2c_get_clientdata(client);
1411 int i;
1412
1413 down(&data->update_lock);
1414
1415 if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1416 || !data->valid) {
1417 for (i = 0; i <= 8; i++) {
1418 /* skip missing sensors */
1419 if (((data->type == w83697hf) && (i == 1)) ||
1420 ((data->type == w83627thf || data->type == w83637hf)
1421 && (i == 4 || i == 5)))
1422 continue;
1423 data->in[i] =
1424 w83627hf_read_value(client, W83781D_REG_IN(i));
1425 data->in_min[i] =
1426 w83627hf_read_value(client,
1427 W83781D_REG_IN_MIN(i));
1428 data->in_max[i] =
1429 w83627hf_read_value(client,
1430 W83781D_REG_IN_MAX(i));
1431 }
1432 for (i = 1; i <= 3; i++) {
1433 data->fan[i - 1] =
1434 w83627hf_read_value(client, W83781D_REG_FAN(i));
1435 data->fan_min[i - 1] =
1436 w83627hf_read_value(client,
1437 W83781D_REG_FAN_MIN(i));
1438 }
1439 for (i = 1; i <= 3; i++) {
1440 u8 tmp = w83627hf_read_value(client,
1441 W836X7HF_REG_PWM(data->type, i));
1442 /* bits 0-3 are reserved in 627THF */
1443 if (data->type == w83627thf)
1444 tmp &= 0xf0;
1445 data->pwm[i - 1] = tmp;
1446 if(i == 2 &&
1447 (data->type == w83627hf || data->type == w83697hf))
1448 break;
1449 }
1450
1451 data->temp = w83627hf_read_value(client, W83781D_REG_TEMP(1));
1452 data->temp_max =
1453 w83627hf_read_value(client, W83781D_REG_TEMP_OVER(1));
1454 data->temp_max_hyst =
1455 w83627hf_read_value(client, W83781D_REG_TEMP_HYST(1));
1456 data->temp_add[0] =
1457 w83627hf_read_value(client, W83781D_REG_TEMP(2));
1458 data->temp_max_add[0] =
1459 w83627hf_read_value(client, W83781D_REG_TEMP_OVER(2));
1460 data->temp_max_hyst_add[0] =
1461 w83627hf_read_value(client, W83781D_REG_TEMP_HYST(2));
1462 if (data->type != w83697hf) {
1463 data->temp_add[1] =
1464 w83627hf_read_value(client, W83781D_REG_TEMP(3));
1465 data->temp_max_add[1] =
1466 w83627hf_read_value(client, W83781D_REG_TEMP_OVER(3));
1467 data->temp_max_hyst_add[1] =
1468 w83627hf_read_value(client, W83781D_REG_TEMP_HYST(3));
1469 }
1470
1471 i = w83627hf_read_value(client, W83781D_REG_VID_FANDIV);
1472 data->fan_div[0] = (i >> 4) & 0x03;
1473 data->fan_div[1] = (i >> 6) & 0x03;
1474 if (data->type != w83697hf) {
1475 data->fan_div[2] = (w83627hf_read_value(client,
1476 W83781D_REG_PIN) >> 6) & 0x03;
1477 }
1478 i = w83627hf_read_value(client, W83781D_REG_VBAT);
1479 data->fan_div[0] |= (i >> 3) & 0x04;
1480 data->fan_div[1] |= (i >> 4) & 0x04;
1481 if (data->type != w83697hf)
1482 data->fan_div[2] |= (i >> 5) & 0x04;
1483 data->alarms =
1484 w83627hf_read_value(client, W83781D_REG_ALARM1) |
1485 (w83627hf_read_value(client, W83781D_REG_ALARM2) << 8) |
1486 (w83627hf_read_value(client, W83781D_REG_ALARM3) << 16);
1487 i = w83627hf_read_value(client, W83781D_REG_BEEP_INTS2);
1488 data->beep_enable = i >> 7;
1489 data->beep_mask = ((i & 0x7f) << 8) |
1490 w83627hf_read_value(client, W83781D_REG_BEEP_INTS1) |
1491 w83627hf_read_value(client, W83781D_REG_BEEP_INTS3) << 16;
1492 data->last_updated = jiffies;
1493 data->valid = 1;
1494 }
1495
1496 up(&data->update_lock);
1497
1498 return data;
1499 }
1500
1501 static int __init sensors_w83627hf_init(void)
1502 {
1503 int addr;
1504
1505 if (w83627hf_find(0x2e, &addr)
1506 && w83627hf_find(0x4e, &addr)) {
1507 return -ENODEV;
1508 }
1509 normal_isa[0] = addr;
1510
1511 return i2c_isa_add_driver(&w83627hf_driver);
1512 }
1513
1514 static void __exit sensors_w83627hf_exit(void)
1515 {
1516 i2c_isa_del_driver(&w83627hf_driver);
1517 }
1518
1519 MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
1520 "Philip Edelbrock <phil@netroedge.com>, "
1521 "and Mark Studebaker <mdsxyz123@yahoo.com>");
1522 MODULE_DESCRIPTION("W83627HF driver");
1523 MODULE_LICENSE("GPL");
1524
1525 module_init(sensors_w83627hf_init);
1526 module_exit(sensors_w83627hf_exit);
CJK support for tty framebuffer vt