blob: 9e31f5559ccce0b755368ce1f4e63aa869b7e25d [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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>
Jean Delvarefde09502005-07-19 23:51:07 +020045#include <linux/i2c-isa.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070046#include <linux/i2c-sensor.h>
47#include <linux/i2c-vid.h>
Mark M. Hoffman943b0832005-07-15 21:39:18 -040048#include <linux/hwmon.h>
49#include <linux/err.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070050#include <asm/io.h>
51#include "lm75.h"
52
53static u16 force_addr;
54module_param(force_addr, ushort, 0);
55MODULE_PARM_DESC(force_addr,
56 "Initialize the base address of the sensors");
57static u8 force_i2c = 0x1f;
58module_param(force_i2c, byte, 0);
59MODULE_PARM_DESC(force_i2c,
60 "Initialize the i2c address of the sensors");
61
Jean Delvare2d8672c2005-07-19 23:56:35 +020062/* The actual ISA address is read from Super-I/O configuration space */
63static unsigned short address;
Linus Torvalds1da177e2005-04-16 15:20:36 -070064
65/* Insmod parameters */
Jean Delvare2d8672c2005-07-19 23:56:35 +020066enum chips { any_chip, w83627hf, w83627thf, w83697hf, w83637hf };
Linus Torvalds1da177e2005-04-16 15:20:36 -070067
68static int init = 1;
69module_param(init, bool, 0);
70MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
71
72/* modified from kernel/include/traps.c */
73static int REG; /* The register to read/write */
74#define DEV 0x07 /* Register: Logical device select */
75static int VAL; /* The value to read/write */
76
77/* logical device numbers for superio_select (below) */
78#define W83627HF_LD_FDC 0x00
79#define W83627HF_LD_PRT 0x01
80#define W83627HF_LD_UART1 0x02
81#define W83627HF_LD_UART2 0x03
82#define W83627HF_LD_KBC 0x05
83#define W83627HF_LD_CIR 0x06 /* w83627hf only */
84#define W83627HF_LD_GAME 0x07
85#define W83627HF_LD_MIDI 0x07
86#define W83627HF_LD_GPIO1 0x07
87#define W83627HF_LD_GPIO5 0x07 /* w83627thf only */
88#define W83627HF_LD_GPIO2 0x08
89#define W83627HF_LD_GPIO3 0x09
90#define W83627HF_LD_GPIO4 0x09 /* w83627thf only */
91#define W83627HF_LD_ACPI 0x0a
92#define W83627HF_LD_HWM 0x0b
93
94#define DEVID 0x20 /* Register: Device ID */
95
96#define W83627THF_GPIO5_EN 0x30 /* w83627thf only */
97#define W83627THF_GPIO5_IOSR 0xf3 /* w83627thf only */
98#define W83627THF_GPIO5_DR 0xf4 /* w83627thf only */
99
100static inline void
101superio_outb(int reg, int val)
102{
103 outb(reg, REG);
104 outb(val, VAL);
105}
106
107static inline int
108superio_inb(int reg)
109{
110 outb(reg, REG);
111 return inb(VAL);
112}
113
114static inline void
115superio_select(int ld)
116{
117 outb(DEV, REG);
118 outb(ld, VAL);
119}
120
121static inline void
122superio_enter(void)
123{
124 outb(0x87, REG);
125 outb(0x87, REG);
126}
127
128static inline void
129superio_exit(void)
130{
131 outb(0xAA, REG);
132}
133
134#define W627_DEVID 0x52
135#define W627THF_DEVID 0x82
136#define W697_DEVID 0x60
137#define W637_DEVID 0x70
138#define WINB_ACT_REG 0x30
139#define WINB_BASE_REG 0x60
140/* Constants specified below */
141
142/* Length of ISA address segment */
143#define WINB_EXTENT 8
144
145/* Where are the ISA address/data registers relative to the base address */
146#define W83781D_ADDR_REG_OFFSET 5
147#define W83781D_DATA_REG_OFFSET 6
148
149/* The W83781D registers */
150/* The W83782D registers for nr=7,8 are in bank 5 */
151#define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
152 (0x554 + (((nr) - 7) * 2)))
153#define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
154 (0x555 + (((nr) - 7) * 2)))
155#define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \
156 (0x550 + (nr) - 7))
157
158#define W83781D_REG_FAN_MIN(nr) (0x3a + (nr))
159#define W83781D_REG_FAN(nr) (0x27 + (nr))
160
161#define W83781D_REG_TEMP2_CONFIG 0x152
162#define W83781D_REG_TEMP3_CONFIG 0x252
163#define W83781D_REG_TEMP(nr) ((nr == 3) ? (0x0250) : \
164 ((nr == 2) ? (0x0150) : \
165 (0x27)))
166#define W83781D_REG_TEMP_HYST(nr) ((nr == 3) ? (0x253) : \
167 ((nr == 2) ? (0x153) : \
168 (0x3A)))
169#define W83781D_REG_TEMP_OVER(nr) ((nr == 3) ? (0x255) : \
170 ((nr == 2) ? (0x155) : \
171 (0x39)))
172
173#define W83781D_REG_BANK 0x4E
174
175#define W83781D_REG_CONFIG 0x40
176#define W83781D_REG_ALARM1 0x41
177#define W83781D_REG_ALARM2 0x42
178#define W83781D_REG_ALARM3 0x450
179
180#define W83781D_REG_IRQ 0x4C
181#define W83781D_REG_BEEP_CONFIG 0x4D
182#define W83781D_REG_BEEP_INTS1 0x56
183#define W83781D_REG_BEEP_INTS2 0x57
184#define W83781D_REG_BEEP_INTS3 0x453
185
186#define W83781D_REG_VID_FANDIV 0x47
187
188#define W83781D_REG_CHIPID 0x49
189#define W83781D_REG_WCHIPID 0x58
190#define W83781D_REG_CHIPMAN 0x4F
191#define W83781D_REG_PIN 0x4B
192
193#define W83781D_REG_VBAT 0x5D
194
195#define W83627HF_REG_PWM1 0x5A
196#define W83627HF_REG_PWM2 0x5B
197#define W83627HF_REG_PWMCLK12 0x5C
198
199#define W83627THF_REG_PWM1 0x01 /* 697HF and 637HF too */
200#define W83627THF_REG_PWM2 0x03 /* 697HF and 637HF too */
201#define W83627THF_REG_PWM3 0x11 /* 637HF too */
202
203#define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF too */
204
205static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
206static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
207 W83627THF_REG_PWM3 };
208#define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \
209 regpwm_627hf[(nr) - 1] : regpwm[(nr) - 1])
210
211#define W83781D_REG_I2C_ADDR 0x48
212#define W83781D_REG_I2C_SUBADDR 0x4A
213
214/* Sensor selection */
215#define W83781D_REG_SCFG1 0x5D
216static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
217#define W83781D_REG_SCFG2 0x59
218static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
219#define W83781D_DEFAULT_BETA 3435
220
221/* Conversions. Limit checking is only done on the TO_REG
222 variants. Note that you should be a bit careful with which arguments
223 these macros are called: arguments may be evaluated more than once.
224 Fixing this is just not worth it. */
225#define IN_TO_REG(val) (SENSORS_LIMIT((((val) + 8)/16),0,255))
226#define IN_FROM_REG(val) ((val) * 16)
227
228static inline u8 FAN_TO_REG(long rpm, int div)
229{
230 if (rpm == 0)
231 return 255;
232 rpm = SENSORS_LIMIT(rpm, 1, 1000000);
233 return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1,
234 254);
235}
236
237#define TEMP_MIN (-128000)
238#define TEMP_MAX ( 127000)
239
240/* TEMP: 0.001C/bit (-128C to +127C)
241 REG: 1C/bit, two's complement */
242static u8 TEMP_TO_REG(int temp)
243{
244 int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX);
245 ntemp += (ntemp<0 ? -500 : 500);
246 return (u8)(ntemp / 1000);
247}
248
249static int TEMP_FROM_REG(u8 reg)
250{
251 return (s8)reg * 1000;
252}
253
254#define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
255
256#define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255))
257
258#define BEEP_MASK_FROM_REG(val) (val)
259#define BEEP_MASK_TO_REG(val) ((val) & 0xffffff)
260#define BEEP_ENABLE_TO_REG(val) ((val)?1:0)
261#define BEEP_ENABLE_FROM_REG(val) ((val)?1:0)
262
263#define DIV_FROM_REG(val) (1 << (val))
264
265static inline u8 DIV_TO_REG(long val)
266{
267 int i;
268 val = SENSORS_LIMIT(val, 1, 128) >> 1;
Grant Coadyabc01922005-05-12 13:41:51 +1000269 for (i = 0; i < 7; i++) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700270 if (val == 0)
271 break;
272 val >>= 1;
273 }
274 return ((u8) i);
275}
276
277/* For each registered chip, we need to keep some data in memory. That
278 data is pointed to by w83627hf_list[NR]->data. The structure itself is
279 dynamically allocated, at the same time when a new client is allocated. */
280struct w83627hf_data {
281 struct i2c_client client;
Mark M. Hoffman943b0832005-07-15 21:39:18 -0400282 struct class_device *class_dev;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700283 struct semaphore lock;
284 enum chips type;
285
286 struct semaphore update_lock;
287 char valid; /* !=0 if following fields are valid */
288 unsigned long last_updated; /* In jiffies */
289
290 struct i2c_client *lm75; /* for secondary I2C addresses */
291 /* pointer to array of 2 subclients */
292
293 u8 in[9]; /* Register value */
294 u8 in_max[9]; /* Register value */
295 u8 in_min[9]; /* Register value */
296 u8 fan[3]; /* Register value */
297 u8 fan_min[3]; /* Register value */
298 u8 temp;
299 u8 temp_max; /* Register value */
300 u8 temp_max_hyst; /* Register value */
301 u16 temp_add[2]; /* Register value */
302 u16 temp_max_add[2]; /* Register value */
303 u16 temp_max_hyst_add[2]; /* Register value */
304 u8 fan_div[3]; /* Register encoding, shifted right */
305 u8 vid; /* Register encoding, combined */
306 u32 alarms; /* Register encoding, combined */
307 u32 beep_mask; /* Register encoding, combined */
308 u8 beep_enable; /* Boolean */
309 u8 pwm[3]; /* Register value */
310 u16 sens[3]; /* 782D/783S only.
311 1 = pentium diode; 2 = 3904 diode;
312 3000-5000 = thermistor beta.
313 Default = 3435.
314 Other Betas unimplemented */
315 u8 vrm;
316 u8 vrm_ovt; /* Register value, 627thf & 637hf only */
317};
318
319
Jean Delvare2d8672c2005-07-19 23:56:35 +0200320static int w83627hf_detect(struct i2c_adapter *adapter);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700321static int w83627hf_detach_client(struct i2c_client *client);
322
323static int w83627hf_read_value(struct i2c_client *client, u16 register);
324static int w83627hf_write_value(struct i2c_client *client, u16 register,
325 u16 value);
326static struct w83627hf_data *w83627hf_update_device(struct device *dev);
327static void w83627hf_init_client(struct i2c_client *client);
328
329static struct i2c_driver w83627hf_driver = {
330 .owner = THIS_MODULE,
331 .name = "w83627hf",
Jean Delvare2d8672c2005-07-19 23:56:35 +0200332 .attach_adapter = w83627hf_detect,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700333 .detach_client = w83627hf_detach_client,
334};
335
336/* following are the sysfs callback functions */
337#define show_in_reg(reg) \
338static ssize_t show_##reg (struct device *dev, char *buf, int nr) \
339{ \
340 struct w83627hf_data *data = w83627hf_update_device(dev); \
341 return sprintf(buf,"%ld\n", (long)IN_FROM_REG(data->reg[nr])); \
342}
343show_in_reg(in)
344show_in_reg(in_min)
345show_in_reg(in_max)
346
347#define store_in_reg(REG, reg) \
348static ssize_t \
349store_in_##reg (struct device *dev, const char *buf, size_t count, int nr) \
350{ \
351 struct i2c_client *client = to_i2c_client(dev); \
352 struct w83627hf_data *data = i2c_get_clientdata(client); \
353 u32 val; \
354 \
355 val = simple_strtoul(buf, NULL, 10); \
356 \
357 down(&data->update_lock); \
358 data->in_##reg[nr] = IN_TO_REG(val); \
359 w83627hf_write_value(client, W83781D_REG_IN_##REG(nr), \
360 data->in_##reg[nr]); \
361 \
362 up(&data->update_lock); \
363 return count; \
364}
365store_in_reg(MIN, min)
366store_in_reg(MAX, max)
367
368#define sysfs_in_offset(offset) \
369static ssize_t \
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400370show_regs_in_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700371{ \
372 return show_in(dev, buf, offset); \
373} \
374static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_regs_in_##offset, NULL);
375
376#define sysfs_in_reg_offset(reg, offset) \
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400377static ssize_t show_regs_in_##reg##offset (struct device *dev, struct device_attribute *attr, char *buf) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700378{ \
379 return show_in_##reg (dev, buf, offset); \
380} \
381static ssize_t \
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400382store_regs_in_##reg##offset (struct device *dev, struct device_attribute *attr, \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700383 const char *buf, size_t count) \
384{ \
385 return store_in_##reg (dev, buf, count, offset); \
386} \
387static DEVICE_ATTR(in##offset##_##reg, S_IRUGO| S_IWUSR, \
388 show_regs_in_##reg##offset, store_regs_in_##reg##offset);
389
390#define sysfs_in_offsets(offset) \
391sysfs_in_offset(offset) \
392sysfs_in_reg_offset(min, offset) \
393sysfs_in_reg_offset(max, offset)
394
395sysfs_in_offsets(1);
396sysfs_in_offsets(2);
397sysfs_in_offsets(3);
398sysfs_in_offsets(4);
399sysfs_in_offsets(5);
400sysfs_in_offsets(6);
401sysfs_in_offsets(7);
402sysfs_in_offsets(8);
403
404/* use a different set of functions for in0 */
405static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
406{
407 long in0;
408
409 if ((data->vrm_ovt & 0x01) &&
410 (w83627thf == data->type || w83637hf == data->type))
411
412 /* use VRM9 calculation */
413 in0 = (long)((reg * 488 + 70000 + 50) / 100);
414 else
415 /* use VRM8 (standard) calculation */
416 in0 = (long)IN_FROM_REG(reg);
417
418 return sprintf(buf,"%ld\n", in0);
419}
420
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400421static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700422{
423 struct w83627hf_data *data = w83627hf_update_device(dev);
424 return show_in_0(data, buf, data->in[0]);
425}
426
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400427static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700428{
429 struct w83627hf_data *data = w83627hf_update_device(dev);
430 return show_in_0(data, buf, data->in_min[0]);
431}
432
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400433static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700434{
435 struct w83627hf_data *data = w83627hf_update_device(dev);
436 return show_in_0(data, buf, data->in_max[0]);
437}
438
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400439static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700440 const char *buf, size_t count)
441{
442 struct i2c_client *client = to_i2c_client(dev);
443 struct w83627hf_data *data = i2c_get_clientdata(client);
444 u32 val;
445
446 val = simple_strtoul(buf, NULL, 10);
447
448 down(&data->update_lock);
449
450 if ((data->vrm_ovt & 0x01) &&
451 (w83627thf == data->type || w83637hf == data->type))
452
453 /* use VRM9 calculation */
454 data->in_min[0] = (u8)(((val * 100) - 70000 + 244) / 488);
455 else
456 /* use VRM8 (standard) calculation */
457 data->in_min[0] = IN_TO_REG(val);
458
459 w83627hf_write_value(client, W83781D_REG_IN_MIN(0), data->in_min[0]);
460 up(&data->update_lock);
461 return count;
462}
463
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400464static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700465 const char *buf, size_t count)
466{
467 struct i2c_client *client = to_i2c_client(dev);
468 struct w83627hf_data *data = i2c_get_clientdata(client);
469 u32 val;
470
471 val = simple_strtoul(buf, NULL, 10);
472
473 down(&data->update_lock);
474
475 if ((data->vrm_ovt & 0x01) &&
476 (w83627thf == data->type || w83637hf == data->type))
477
478 /* use VRM9 calculation */
479 data->in_max[0] = (u8)(((val * 100) - 70000 + 244) / 488);
480 else
481 /* use VRM8 (standard) calculation */
482 data->in_max[0] = IN_TO_REG(val);
483
484 w83627hf_write_value(client, W83781D_REG_IN_MAX(0), data->in_max[0]);
485 up(&data->update_lock);
486 return count;
487}
488
489static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL);
490static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
491 show_regs_in_min0, store_regs_in_min0);
492static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
493 show_regs_in_max0, store_regs_in_max0);
494
495#define device_create_file_in(client, offset) \
496do { \
497device_create_file(&client->dev, &dev_attr_in##offset##_input); \
498device_create_file(&client->dev, &dev_attr_in##offset##_min); \
499device_create_file(&client->dev, &dev_attr_in##offset##_max); \
500} while (0)
501
502#define show_fan_reg(reg) \
503static ssize_t show_##reg (struct device *dev, char *buf, int nr) \
504{ \
505 struct w83627hf_data *data = w83627hf_update_device(dev); \
506 return sprintf(buf,"%ld\n", \
507 FAN_FROM_REG(data->reg[nr-1], \
508 (long)DIV_FROM_REG(data->fan_div[nr-1]))); \
509}
510show_fan_reg(fan);
511show_fan_reg(fan_min);
512
513static ssize_t
514store_fan_min(struct device *dev, const char *buf, size_t count, int nr)
515{
516 struct i2c_client *client = to_i2c_client(dev);
517 struct w83627hf_data *data = i2c_get_clientdata(client);
518 u32 val;
519
520 val = simple_strtoul(buf, NULL, 10);
521
522 down(&data->update_lock);
523 data->fan_min[nr - 1] =
524 FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr - 1]));
525 w83627hf_write_value(client, W83781D_REG_FAN_MIN(nr),
526 data->fan_min[nr - 1]);
527
528 up(&data->update_lock);
529 return count;
530}
531
532#define sysfs_fan_offset(offset) \
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400533static ssize_t show_regs_fan_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700534{ \
535 return show_fan(dev, buf, offset); \
536} \
537static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_regs_fan_##offset, NULL);
538
539#define sysfs_fan_min_offset(offset) \
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400540static ssize_t show_regs_fan_min##offset (struct device *dev, struct device_attribute *attr, char *buf) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700541{ \
542 return show_fan_min(dev, buf, offset); \
543} \
544static ssize_t \
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400545store_regs_fan_min##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700546{ \
547 return store_fan_min(dev, buf, count, offset); \
548} \
549static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
550 show_regs_fan_min##offset, store_regs_fan_min##offset);
551
552sysfs_fan_offset(1);
553sysfs_fan_min_offset(1);
554sysfs_fan_offset(2);
555sysfs_fan_min_offset(2);
556sysfs_fan_offset(3);
557sysfs_fan_min_offset(3);
558
559#define device_create_file_fan(client, offset) \
560do { \
561device_create_file(&client->dev, &dev_attr_fan##offset##_input); \
562device_create_file(&client->dev, &dev_attr_fan##offset##_min); \
563} while (0)
564
565#define show_temp_reg(reg) \
566static ssize_t show_##reg (struct device *dev, char *buf, int nr) \
567{ \
568 struct w83627hf_data *data = w83627hf_update_device(dev); \
569 if (nr >= 2) { /* TEMP2 and TEMP3 */ \
570 return sprintf(buf,"%ld\n", \
571 (long)LM75_TEMP_FROM_REG(data->reg##_add[nr-2])); \
572 } else { /* TEMP1 */ \
573 return sprintf(buf,"%ld\n", (long)TEMP_FROM_REG(data->reg)); \
574 } \
575}
576show_temp_reg(temp);
577show_temp_reg(temp_max);
578show_temp_reg(temp_max_hyst);
579
580#define store_temp_reg(REG, reg) \
581static ssize_t \
582store_temp_##reg (struct device *dev, const char *buf, size_t count, int nr) \
583{ \
584 struct i2c_client *client = to_i2c_client(dev); \
585 struct w83627hf_data *data = i2c_get_clientdata(client); \
586 u32 val; \
587 \
588 val = simple_strtoul(buf, NULL, 10); \
589 \
590 down(&data->update_lock); \
591 \
592 if (nr >= 2) { /* TEMP2 and TEMP3 */ \
593 data->temp_##reg##_add[nr-2] = LM75_TEMP_TO_REG(val); \
594 w83627hf_write_value(client, W83781D_REG_TEMP_##REG(nr), \
595 data->temp_##reg##_add[nr-2]); \
596 } else { /* TEMP1 */ \
597 data->temp_##reg = TEMP_TO_REG(val); \
598 w83627hf_write_value(client, W83781D_REG_TEMP_##REG(nr), \
599 data->temp_##reg); \
600 } \
601 \
602 up(&data->update_lock); \
603 return count; \
604}
605store_temp_reg(OVER, max);
606store_temp_reg(HYST, max_hyst);
607
608#define sysfs_temp_offset(offset) \
609static ssize_t \
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400610show_regs_temp_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700611{ \
612 return show_temp(dev, buf, offset); \
613} \
614static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_regs_temp_##offset, NULL);
615
616#define sysfs_temp_reg_offset(reg, offset) \
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400617static ssize_t show_regs_temp_##reg##offset (struct device *dev, struct device_attribute *attr, char *buf) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700618{ \
619 return show_temp_##reg (dev, buf, offset); \
620} \
621static ssize_t \
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400622store_regs_temp_##reg##offset (struct device *dev, struct device_attribute *attr, \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700623 const char *buf, size_t count) \
624{ \
625 return store_temp_##reg (dev, buf, count, offset); \
626} \
627static DEVICE_ATTR(temp##offset##_##reg, S_IRUGO| S_IWUSR, \
628 show_regs_temp_##reg##offset, store_regs_temp_##reg##offset);
629
630#define sysfs_temp_offsets(offset) \
631sysfs_temp_offset(offset) \
632sysfs_temp_reg_offset(max, offset) \
633sysfs_temp_reg_offset(max_hyst, offset)
634
635sysfs_temp_offsets(1);
636sysfs_temp_offsets(2);
637sysfs_temp_offsets(3);
638
639#define device_create_file_temp(client, offset) \
640do { \
641device_create_file(&client->dev, &dev_attr_temp##offset##_input); \
642device_create_file(&client->dev, &dev_attr_temp##offset##_max); \
643device_create_file(&client->dev, &dev_attr_temp##offset##_max_hyst); \
644} while (0)
645
646static ssize_t
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400647show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700648{
649 struct w83627hf_data *data = w83627hf_update_device(dev);
650 return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
651}
652static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
653#define device_create_file_vid(client) \
654device_create_file(&client->dev, &dev_attr_cpu0_vid)
655
656static ssize_t
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400657show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700658{
659 struct w83627hf_data *data = w83627hf_update_device(dev);
660 return sprintf(buf, "%ld\n", (long) data->vrm);
661}
662static ssize_t
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400663store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700664{
665 struct i2c_client *client = to_i2c_client(dev);
666 struct w83627hf_data *data = i2c_get_clientdata(client);
667 u32 val;
668
669 val = simple_strtoul(buf, NULL, 10);
670 data->vrm = val;
671
672 return count;
673}
674static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
675#define device_create_file_vrm(client) \
676device_create_file(&client->dev, &dev_attr_vrm)
677
678static ssize_t
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400679show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700680{
681 struct w83627hf_data *data = w83627hf_update_device(dev);
682 return sprintf(buf, "%ld\n", (long) data->alarms);
683}
684static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
685#define device_create_file_alarms(client) \
686device_create_file(&client->dev, &dev_attr_alarms)
687
688#define show_beep_reg(REG, reg) \
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400689static ssize_t show_beep_##reg (struct device *dev, struct device_attribute *attr, char *buf) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700690{ \
691 struct w83627hf_data *data = w83627hf_update_device(dev); \
692 return sprintf(buf,"%ld\n", \
693 (long)BEEP_##REG##_FROM_REG(data->beep_##reg)); \
694}
695show_beep_reg(ENABLE, enable)
696show_beep_reg(MASK, mask)
697
698#define BEEP_ENABLE 0 /* Store beep_enable */
699#define BEEP_MASK 1 /* Store beep_mask */
700
701static ssize_t
702store_beep_reg(struct device *dev, const char *buf, size_t count,
703 int update_mask)
704{
705 struct i2c_client *client = to_i2c_client(dev);
706 struct w83627hf_data *data = i2c_get_clientdata(client);
707 u32 val, val2;
708
709 val = simple_strtoul(buf, NULL, 10);
710
711 down(&data->update_lock);
712
713 if (update_mask == BEEP_MASK) { /* We are storing beep_mask */
714 data->beep_mask = BEEP_MASK_TO_REG(val);
715 w83627hf_write_value(client, W83781D_REG_BEEP_INTS1,
716 data->beep_mask & 0xff);
717 w83627hf_write_value(client, W83781D_REG_BEEP_INTS3,
718 ((data->beep_mask) >> 16) & 0xff);
719 val2 = (data->beep_mask >> 8) & 0x7f;
720 } else { /* We are storing beep_enable */
721 val2 =
722 w83627hf_read_value(client, W83781D_REG_BEEP_INTS2) & 0x7f;
723 data->beep_enable = BEEP_ENABLE_TO_REG(val);
724 }
725
726 w83627hf_write_value(client, W83781D_REG_BEEP_INTS2,
727 val2 | data->beep_enable << 7);
728
729 up(&data->update_lock);
730 return count;
731}
732
733#define sysfs_beep(REG, reg) \
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400734static ssize_t show_regs_beep_##reg (struct device *dev, struct device_attribute *attr, char *buf) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700735{ \
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400736 return show_beep_##reg(dev, attr, buf); \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700737} \
738static ssize_t \
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400739store_regs_beep_##reg (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700740{ \
741 return store_beep_reg(dev, buf, count, BEEP_##REG); \
742} \
743static DEVICE_ATTR(beep_##reg, S_IRUGO | S_IWUSR, \
744 show_regs_beep_##reg, store_regs_beep_##reg);
745
746sysfs_beep(ENABLE, enable);
747sysfs_beep(MASK, mask);
748
749#define device_create_file_beep(client) \
750do { \
751device_create_file(&client->dev, &dev_attr_beep_enable); \
752device_create_file(&client->dev, &dev_attr_beep_mask); \
753} while (0)
754
755static ssize_t
756show_fan_div_reg(struct device *dev, char *buf, int nr)
757{
758 struct w83627hf_data *data = w83627hf_update_device(dev);
759 return sprintf(buf, "%ld\n",
760 (long) DIV_FROM_REG(data->fan_div[nr - 1]));
761}
762
763/* Note: we save and restore the fan minimum here, because its value is
764 determined in part by the fan divisor. This follows the principle of
765 least suprise; the user doesn't expect the fan minimum to change just
766 because the divisor changed. */
767static ssize_t
768store_fan_div_reg(struct device *dev, const char *buf, size_t count, int nr)
769{
770 struct i2c_client *client = to_i2c_client(dev);
771 struct w83627hf_data *data = i2c_get_clientdata(client);
772 unsigned long min;
773 u8 reg;
774 unsigned long val = simple_strtoul(buf, NULL, 10);
775
776 down(&data->update_lock);
777
778 /* Save fan_min */
779 min = FAN_FROM_REG(data->fan_min[nr],
780 DIV_FROM_REG(data->fan_div[nr]));
781
782 data->fan_div[nr] = DIV_TO_REG(val);
783
784 reg = (w83627hf_read_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
785 & (nr==0 ? 0xcf : 0x3f))
786 | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
787 w83627hf_write_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
788
789 reg = (w83627hf_read_value(client, W83781D_REG_VBAT)
790 & ~(1 << (5 + nr)))
791 | ((data->fan_div[nr] & 0x04) << (3 + nr));
792 w83627hf_write_value(client, W83781D_REG_VBAT, reg);
793
794 /* Restore fan_min */
795 data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
796 w83627hf_write_value(client, W83781D_REG_FAN_MIN(nr+1), data->fan_min[nr]);
797
798 up(&data->update_lock);
799 return count;
800}
801
802#define sysfs_fan_div(offset) \
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400803static ssize_t show_regs_fan_div_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700804{ \
805 return show_fan_div_reg(dev, buf, offset); \
806} \
807static ssize_t \
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400808store_regs_fan_div_##offset (struct device *dev, struct device_attribute *attr, \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700809 const char *buf, size_t count) \
810{ \
811 return store_fan_div_reg(dev, buf, count, offset - 1); \
812} \
813static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
814 show_regs_fan_div_##offset, store_regs_fan_div_##offset);
815
816sysfs_fan_div(1);
817sysfs_fan_div(2);
818sysfs_fan_div(3);
819
820#define device_create_file_fan_div(client, offset) \
821do { \
822device_create_file(&client->dev, &dev_attr_fan##offset##_div); \
823} while (0)
824
825static ssize_t
826show_pwm_reg(struct device *dev, char *buf, int nr)
827{
828 struct w83627hf_data *data = w83627hf_update_device(dev);
829 return sprintf(buf, "%ld\n", (long) data->pwm[nr - 1]);
830}
831
832static ssize_t
833store_pwm_reg(struct device *dev, const char *buf, size_t count, int nr)
834{
835 struct i2c_client *client = to_i2c_client(dev);
836 struct w83627hf_data *data = i2c_get_clientdata(client);
837 u32 val;
838
839 val = simple_strtoul(buf, NULL, 10);
840
841 down(&data->update_lock);
842
843 if (data->type == w83627thf) {
844 /* bits 0-3 are reserved in 627THF */
845 data->pwm[nr - 1] = PWM_TO_REG(val) & 0xf0;
846 w83627hf_write_value(client,
847 W836X7HF_REG_PWM(data->type, nr),
848 data->pwm[nr - 1] |
849 (w83627hf_read_value(client,
850 W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
851 } else {
852 data->pwm[nr - 1] = PWM_TO_REG(val);
853 w83627hf_write_value(client,
854 W836X7HF_REG_PWM(data->type, nr),
855 data->pwm[nr - 1]);
856 }
857
858 up(&data->update_lock);
859 return count;
860}
861
862#define sysfs_pwm(offset) \
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400863static ssize_t show_regs_pwm_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700864{ \
865 return show_pwm_reg(dev, buf, offset); \
866} \
867static ssize_t \
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400868store_regs_pwm_##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700869{ \
870 return store_pwm_reg(dev, buf, count, offset); \
871} \
872static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \
873 show_regs_pwm_##offset, store_regs_pwm_##offset);
874
875sysfs_pwm(1);
876sysfs_pwm(2);
877sysfs_pwm(3);
878
879#define device_create_file_pwm(client, offset) \
880do { \
881device_create_file(&client->dev, &dev_attr_pwm##offset); \
882} while (0)
883
884static ssize_t
885show_sensor_reg(struct device *dev, char *buf, int nr)
886{
887 struct w83627hf_data *data = w83627hf_update_device(dev);
888 return sprintf(buf, "%ld\n", (long) data->sens[nr - 1]);
889}
890
891static ssize_t
892store_sensor_reg(struct device *dev, const char *buf, size_t count, int nr)
893{
894 struct i2c_client *client = to_i2c_client(dev);
895 struct w83627hf_data *data = i2c_get_clientdata(client);
896 u32 val, tmp;
897
898 val = simple_strtoul(buf, NULL, 10);
899
900 down(&data->update_lock);
901
902 switch (val) {
903 case 1: /* PII/Celeron diode */
904 tmp = w83627hf_read_value(client, W83781D_REG_SCFG1);
905 w83627hf_write_value(client, W83781D_REG_SCFG1,
906 tmp | BIT_SCFG1[nr - 1]);
907 tmp = w83627hf_read_value(client, W83781D_REG_SCFG2);
908 w83627hf_write_value(client, W83781D_REG_SCFG2,
909 tmp | BIT_SCFG2[nr - 1]);
910 data->sens[nr - 1] = val;
911 break;
912 case 2: /* 3904 */
913 tmp = w83627hf_read_value(client, W83781D_REG_SCFG1);
914 w83627hf_write_value(client, W83781D_REG_SCFG1,
915 tmp | BIT_SCFG1[nr - 1]);
916 tmp = w83627hf_read_value(client, W83781D_REG_SCFG2);
917 w83627hf_write_value(client, W83781D_REG_SCFG2,
918 tmp & ~BIT_SCFG2[nr - 1]);
919 data->sens[nr - 1] = val;
920 break;
921 case W83781D_DEFAULT_BETA: /* thermistor */
922 tmp = w83627hf_read_value(client, W83781D_REG_SCFG1);
923 w83627hf_write_value(client, W83781D_REG_SCFG1,
924 tmp & ~BIT_SCFG1[nr - 1]);
925 data->sens[nr - 1] = val;
926 break;
927 default:
928 dev_err(&client->dev,
929 "Invalid sensor type %ld; must be 1, 2, or %d\n",
930 (long) val, W83781D_DEFAULT_BETA);
931 break;
932 }
933
934 up(&data->update_lock);
935 return count;
936}
937
938#define sysfs_sensor(offset) \
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400939static ssize_t show_regs_sensor_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700940{ \
941 return show_sensor_reg(dev, buf, offset); \
942} \
943static ssize_t \
Yani Ioannoua5099cf2005-05-17 06:42:25 -0400944store_regs_sensor_##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700945{ \
946 return store_sensor_reg(dev, buf, count, offset); \
947} \
948static DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
949 show_regs_sensor_##offset, store_regs_sensor_##offset);
950
951sysfs_sensor(1);
952sysfs_sensor(2);
953sysfs_sensor(3);
954
955#define device_create_file_sensor(client, offset) \
956do { \
957device_create_file(&client->dev, &dev_attr_temp##offset##_type); \
958} while (0)
959
960
Jean Delvare2d8672c2005-07-19 23:56:35 +0200961static int w83627hf_find(int sioaddr, unsigned short *addr)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700962{
963 u16 val;
964
965 REG = sioaddr;
966 VAL = sioaddr + 1;
967
968 superio_enter();
969 val= superio_inb(DEVID);
970 if(val != W627_DEVID &&
971 val != W627THF_DEVID &&
972 val != W697_DEVID &&
973 val != W637_DEVID) {
974 superio_exit();
975 return -ENODEV;
976 }
977
978 superio_select(W83627HF_LD_HWM);
979 val = (superio_inb(WINB_BASE_REG) << 8) |
980 superio_inb(WINB_BASE_REG + 1);
Jean Delvare2d8672c2005-07-19 23:56:35 +0200981 *addr = val & ~(WINB_EXTENT - 1);
982 if (*addr == 0 && force_addr == 0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700983 superio_exit();
984 return -ENODEV;
985 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700986
987 superio_exit();
988 return 0;
989}
990
Jean Delvare2d8672c2005-07-19 23:56:35 +0200991static int w83627hf_detect(struct i2c_adapter *adapter)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700992{
Jean Delvare2d8672c2005-07-19 23:56:35 +0200993 int val, kind;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700994 struct i2c_client *new_client;
995 struct w83627hf_data *data;
996 int err = 0;
997 const char *client_name = "";
998
Linus Torvalds1da177e2005-04-16 15:20:36 -0700999 if(force_addr)
1000 address = force_addr & ~(WINB_EXTENT - 1);
1001
1002 if (!request_region(address, WINB_EXTENT, w83627hf_driver.name)) {
1003 err = -EBUSY;
1004 goto ERROR0;
1005 }
1006
1007 if(force_addr) {
1008 printk("w83627hf.o: forcing ISA address 0x%04X\n", address);
1009 superio_enter();
1010 superio_select(W83627HF_LD_HWM);
1011 superio_outb(WINB_BASE_REG, address >> 8);
1012 superio_outb(WINB_BASE_REG+1, address & 0xff);
1013 superio_exit();
1014 }
1015
1016 superio_enter();
1017 val= superio_inb(DEVID);
1018 if(val == W627_DEVID)
1019 kind = w83627hf;
1020 else if(val == W697_DEVID)
1021 kind = w83697hf;
1022 else if(val == W627THF_DEVID)
1023 kind = w83627thf;
1024 else if(val == W637_DEVID)
1025 kind = w83637hf;
1026 else {
1027 dev_info(&adapter->dev,
1028 "Unsupported chip (dev_id=0x%02X).\n", val);
1029 goto ERROR1;
1030 }
1031
1032 superio_select(W83627HF_LD_HWM);
1033 if((val = 0x01 & superio_inb(WINB_ACT_REG)) == 0)
1034 superio_outb(WINB_ACT_REG, 1);
1035 superio_exit();
1036
1037 /* OK. For now, we presume we have a valid client. We now create the
1038 client structure, even though we cannot fill it completely yet.
1039 But it allows us to access w83627hf_{read,write}_value. */
1040
1041 if (!(data = kmalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) {
1042 err = -ENOMEM;
1043 goto ERROR1;
1044 }
1045 memset(data, 0, sizeof(struct w83627hf_data));
1046
1047 new_client = &data->client;
1048 i2c_set_clientdata(new_client, data);
1049 new_client->addr = address;
1050 init_MUTEX(&data->lock);
1051 new_client->adapter = adapter;
1052 new_client->driver = &w83627hf_driver;
1053 new_client->flags = 0;
1054
1055
1056 if (kind == w83627hf) {
1057 client_name = "w83627hf";
1058 } else if (kind == w83627thf) {
1059 client_name = "w83627thf";
1060 } else if (kind == w83697hf) {
1061 client_name = "w83697hf";
1062 } else if (kind == w83637hf) {
1063 client_name = "w83637hf";
1064 }
1065
1066 /* Fill in the remaining client fields and put into the global list */
1067 strlcpy(new_client->name, client_name, I2C_NAME_SIZE);
1068 data->type = kind;
1069 data->valid = 0;
1070 init_MUTEX(&data->update_lock);
1071
1072 /* Tell the I2C layer a new client has arrived */
1073 if ((err = i2c_attach_client(new_client)))
1074 goto ERROR2;
1075
1076 data->lm75 = NULL;
1077
1078 /* Initialize the chip */
1079 w83627hf_init_client(new_client);
1080
1081 /* A few vars need to be filled upon startup */
1082 data->fan_min[0] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(1));
1083 data->fan_min[1] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(2));
1084 data->fan_min[2] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(3));
1085
1086 /* Register sysfs hooks */
Mark M. Hoffman943b0832005-07-15 21:39:18 -04001087 data->class_dev = hwmon_device_register(&new_client->dev);
1088 if (IS_ERR(data->class_dev)) {
1089 err = PTR_ERR(data->class_dev);
1090 goto ERROR3;
1091 }
1092
Linus Torvalds1da177e2005-04-16 15:20:36 -07001093 device_create_file_in(new_client, 0);
1094 if (kind != w83697hf)
1095 device_create_file_in(new_client, 1);
1096 device_create_file_in(new_client, 2);
1097 device_create_file_in(new_client, 3);
1098 device_create_file_in(new_client, 4);
1099 if (kind != w83627thf && kind != w83637hf) {
1100 device_create_file_in(new_client, 5);
1101 device_create_file_in(new_client, 6);
1102 }
1103 device_create_file_in(new_client, 7);
1104 device_create_file_in(new_client, 8);
1105
1106 device_create_file_fan(new_client, 1);
1107 device_create_file_fan(new_client, 2);
1108 if (kind != w83697hf)
1109 device_create_file_fan(new_client, 3);
1110
1111 device_create_file_temp(new_client, 1);
1112 device_create_file_temp(new_client, 2);
1113 if (kind != w83697hf)
1114 device_create_file_temp(new_client, 3);
1115
1116 if (kind != w83697hf)
1117 device_create_file_vid(new_client);
1118
1119 if (kind != w83697hf)
1120 device_create_file_vrm(new_client);
1121
1122 device_create_file_fan_div(new_client, 1);
1123 device_create_file_fan_div(new_client, 2);
1124 if (kind != w83697hf)
1125 device_create_file_fan_div(new_client, 3);
1126
1127 device_create_file_alarms(new_client);
1128
1129 device_create_file_beep(new_client);
1130
1131 device_create_file_pwm(new_client, 1);
1132 device_create_file_pwm(new_client, 2);
1133 if (kind == w83627thf || kind == w83637hf)
1134 device_create_file_pwm(new_client, 3);
1135
1136 device_create_file_sensor(new_client, 1);
1137 device_create_file_sensor(new_client, 2);
1138 if (kind != w83697hf)
1139 device_create_file_sensor(new_client, 3);
1140
1141 return 0;
1142
Mark M. Hoffman943b0832005-07-15 21:39:18 -04001143 ERROR3:
1144 i2c_detach_client(new_client);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001145 ERROR2:
1146 kfree(data);
1147 ERROR1:
1148 release_region(address, WINB_EXTENT);
1149 ERROR0:
1150 return err;
1151}
1152
1153static int w83627hf_detach_client(struct i2c_client *client)
1154{
Mark M. Hoffman943b0832005-07-15 21:39:18 -04001155 struct w83627hf_data *data = i2c_get_clientdata(client);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001156 int err;
1157
Mark M. Hoffman943b0832005-07-15 21:39:18 -04001158 hwmon_device_unregister(data->class_dev);
1159
Linus Torvalds1da177e2005-04-16 15:20:36 -07001160 if ((err = i2c_detach_client(client))) {
1161 dev_err(&client->dev,
1162 "Client deregistration failed, client not detached.\n");
1163 return err;
1164 }
1165
1166 release_region(client->addr, WINB_EXTENT);
Mark M. Hoffman943b0832005-07-15 21:39:18 -04001167 kfree(data);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001168
1169 return 0;
1170}
1171
1172
1173/*
1174 ISA access must always be locked explicitly!
1175 We ignore the W83781D BUSY flag at this moment - it could lead to deadlocks,
1176 would slow down the W83781D access and should not be necessary.
1177 There are some ugly typecasts here, but the good news is - they should
1178 nowhere else be necessary! */
1179static int w83627hf_read_value(struct i2c_client *client, u16 reg)
1180{
1181 struct w83627hf_data *data = i2c_get_clientdata(client);
1182 int res, word_sized;
1183
1184 down(&data->lock);
1185 word_sized = (((reg & 0xff00) == 0x100)
1186 || ((reg & 0xff00) == 0x200))
1187 && (((reg & 0x00ff) == 0x50)
1188 || ((reg & 0x00ff) == 0x53)
1189 || ((reg & 0x00ff) == 0x55));
1190 if (reg & 0xff00) {
1191 outb_p(W83781D_REG_BANK,
1192 client->addr + W83781D_ADDR_REG_OFFSET);
1193 outb_p(reg >> 8,
1194 client->addr + W83781D_DATA_REG_OFFSET);
1195 }
1196 outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET);
1197 res = inb_p(client->addr + W83781D_DATA_REG_OFFSET);
1198 if (word_sized) {
1199 outb_p((reg & 0xff) + 1,
1200 client->addr + W83781D_ADDR_REG_OFFSET);
1201 res =
1202 (res << 8) + inb_p(client->addr +
1203 W83781D_DATA_REG_OFFSET);
1204 }
1205 if (reg & 0xff00) {
1206 outb_p(W83781D_REG_BANK,
1207 client->addr + W83781D_ADDR_REG_OFFSET);
1208 outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
1209 }
1210 up(&data->lock);
1211 return res;
1212}
1213
1214static int w83627thf_read_gpio5(struct i2c_client *client)
1215{
1216 int res = 0xff, sel;
1217
1218 superio_enter();
1219 superio_select(W83627HF_LD_GPIO5);
1220
1221 /* Make sure these GPIO pins are enabled */
1222 if (!(superio_inb(W83627THF_GPIO5_EN) & (1<<3))) {
1223 dev_dbg(&client->dev, "GPIO5 disabled, no VID function\n");
1224 goto exit;
1225 }
1226
1227 /* Make sure the pins are configured for input
1228 There must be at least five (VRM 9), and possibly 6 (VRM 10) */
1229 sel = superio_inb(W83627THF_GPIO5_IOSR);
1230 if ((sel & 0x1f) != 0x1f) {
1231 dev_dbg(&client->dev, "GPIO5 not configured for VID "
1232 "function\n");
1233 goto exit;
1234 }
1235
1236 dev_info(&client->dev, "Reading VID from GPIO5\n");
1237 res = superio_inb(W83627THF_GPIO5_DR) & sel;
1238
1239exit:
1240 superio_exit();
1241 return res;
1242}
1243
1244static int w83627hf_write_value(struct i2c_client *client, u16 reg, u16 value)
1245{
1246 struct w83627hf_data *data = i2c_get_clientdata(client);
1247 int word_sized;
1248
1249 down(&data->lock);
1250 word_sized = (((reg & 0xff00) == 0x100)
1251 || ((reg & 0xff00) == 0x200))
1252 && (((reg & 0x00ff) == 0x53)
1253 || ((reg & 0x00ff) == 0x55));
1254 if (reg & 0xff00) {
1255 outb_p(W83781D_REG_BANK,
1256 client->addr + W83781D_ADDR_REG_OFFSET);
1257 outb_p(reg >> 8,
1258 client->addr + W83781D_DATA_REG_OFFSET);
1259 }
1260 outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET);
1261 if (word_sized) {
1262 outb_p(value >> 8,
1263 client->addr + W83781D_DATA_REG_OFFSET);
1264 outb_p((reg & 0xff) + 1,
1265 client->addr + W83781D_ADDR_REG_OFFSET);
1266 }
1267 outb_p(value & 0xff,
1268 client->addr + W83781D_DATA_REG_OFFSET);
1269 if (reg & 0xff00) {
1270 outb_p(W83781D_REG_BANK,
1271 client->addr + W83781D_ADDR_REG_OFFSET);
1272 outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
1273 }
1274 up(&data->lock);
1275 return 0;
1276}
1277
1278/* Called when we have found a new W83781D. It should set limits, etc. */
1279static void w83627hf_init_client(struct i2c_client *client)
1280{
1281 struct w83627hf_data *data = i2c_get_clientdata(client);
1282 int i;
1283 int type = data->type;
1284 u8 tmp;
1285
1286 if(init) {
1287 /* save this register */
1288 i = w83627hf_read_value(client, W83781D_REG_BEEP_CONFIG);
1289 /* Reset all except Watchdog values and last conversion values
1290 This sets fan-divs to 2, among others */
1291 w83627hf_write_value(client, W83781D_REG_CONFIG, 0x80);
1292 /* Restore the register and disable power-on abnormal beep.
1293 This saves FAN 1/2/3 input/output values set by BIOS. */
1294 w83627hf_write_value(client, W83781D_REG_BEEP_CONFIG, i | 0x80);
1295 /* Disable master beep-enable (reset turns it on).
1296 Individual beeps should be reset to off but for some reason
1297 disabling this bit helps some people not get beeped */
1298 w83627hf_write_value(client, W83781D_REG_BEEP_INTS2, 0);
1299 }
1300
1301 /* Minimize conflicts with other winbond i2c-only clients... */
1302 /* disable i2c subclients... how to disable main i2c client?? */
1303 /* force i2c address to relatively uncommon address */
1304 w83627hf_write_value(client, W83781D_REG_I2C_SUBADDR, 0x89);
1305 w83627hf_write_value(client, W83781D_REG_I2C_ADDR, force_i2c);
1306
1307 /* Read VID only once */
1308 if (w83627hf == data->type || w83637hf == data->type) {
1309 int lo = w83627hf_read_value(client, W83781D_REG_VID_FANDIV);
1310 int hi = w83627hf_read_value(client, W83781D_REG_CHIPID);
1311 data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
1312 } else if (w83627thf == data->type) {
1313 data->vid = w83627thf_read_gpio5(client) & 0x3f;
1314 }
1315
1316 /* Read VRM & OVT Config only once */
1317 if (w83627thf == data->type || w83637hf == data->type) {
1318 data->vrm_ovt =
1319 w83627hf_read_value(client, W83627THF_REG_VRM_OVT_CFG);
1320 data->vrm = (data->vrm_ovt & 0x01) ? 90 : 82;
1321 } else {
1322 /* Convert VID to voltage based on default VRM */
1323 data->vrm = i2c_which_vrm();
1324 }
1325
1326 tmp = w83627hf_read_value(client, W83781D_REG_SCFG1);
1327 for (i = 1; i <= 3; i++) {
1328 if (!(tmp & BIT_SCFG1[i - 1])) {
1329 data->sens[i - 1] = W83781D_DEFAULT_BETA;
1330 } else {
1331 if (w83627hf_read_value
1332 (client,
1333 W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
1334 data->sens[i - 1] = 1;
1335 else
1336 data->sens[i - 1] = 2;
1337 }
1338 if ((type == w83697hf) && (i == 2))
1339 break;
1340 }
1341
1342 if(init) {
1343 /* Enable temp2 */
1344 tmp = w83627hf_read_value(client, W83781D_REG_TEMP2_CONFIG);
1345 if (tmp & 0x01) {
1346 dev_warn(&client->dev, "Enabling temp2, readings "
1347 "might not make sense\n");
1348 w83627hf_write_value(client, W83781D_REG_TEMP2_CONFIG,
1349 tmp & 0xfe);
1350 }
1351
1352 /* Enable temp3 */
1353 if (type != w83697hf) {
1354 tmp = w83627hf_read_value(client,
1355 W83781D_REG_TEMP3_CONFIG);
1356 if (tmp & 0x01) {
1357 dev_warn(&client->dev, "Enabling temp3, "
1358 "readings might not make sense\n");
1359 w83627hf_write_value(client,
1360 W83781D_REG_TEMP3_CONFIG, tmp & 0xfe);
1361 }
1362 }
1363
1364 if (type == w83627hf) {
1365 /* enable PWM2 control (can't hurt since PWM reg
1366 should have been reset to 0xff) */
1367 w83627hf_write_value(client, W83627HF_REG_PWMCLK12,
1368 0x19);
1369 }
1370 /* enable comparator mode for temp2 and temp3 so
1371 alarm indication will work correctly */
1372 i = w83627hf_read_value(client, W83781D_REG_IRQ);
1373 if (!(i & 0x40))
1374 w83627hf_write_value(client, W83781D_REG_IRQ,
1375 i | 0x40);
1376 }
1377
1378 /* Start monitoring */
1379 w83627hf_write_value(client, W83781D_REG_CONFIG,
1380 (w83627hf_read_value(client,
1381 W83781D_REG_CONFIG) & 0xf7)
1382 | 0x01);
1383}
1384
1385static struct w83627hf_data *w83627hf_update_device(struct device *dev)
1386{
1387 struct i2c_client *client = to_i2c_client(dev);
1388 struct w83627hf_data *data = i2c_get_clientdata(client);
1389 int i;
1390
1391 down(&data->update_lock);
1392
1393 if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
1394 || !data->valid) {
1395 for (i = 0; i <= 8; i++) {
1396 /* skip missing sensors */
1397 if (((data->type == w83697hf) && (i == 1)) ||
1398 ((data->type == w83627thf || data->type == w83637hf)
1399 && (i == 4 || i == 5)))
1400 continue;
1401 data->in[i] =
1402 w83627hf_read_value(client, W83781D_REG_IN(i));
1403 data->in_min[i] =
1404 w83627hf_read_value(client,
1405 W83781D_REG_IN_MIN(i));
1406 data->in_max[i] =
1407 w83627hf_read_value(client,
1408 W83781D_REG_IN_MAX(i));
1409 }
1410 for (i = 1; i <= 3; i++) {
1411 data->fan[i - 1] =
1412 w83627hf_read_value(client, W83781D_REG_FAN(i));
1413 data->fan_min[i - 1] =
1414 w83627hf_read_value(client,
1415 W83781D_REG_FAN_MIN(i));
1416 }
1417 for (i = 1; i <= 3; i++) {
1418 u8 tmp = w83627hf_read_value(client,
1419 W836X7HF_REG_PWM(data->type, i));
1420 /* bits 0-3 are reserved in 627THF */
1421 if (data->type == w83627thf)
1422 tmp &= 0xf0;
1423 data->pwm[i - 1] = tmp;
1424 if(i == 2 &&
1425 (data->type == w83627hf || data->type == w83697hf))
1426 break;
1427 }
1428
1429 data->temp = w83627hf_read_value(client, W83781D_REG_TEMP(1));
1430 data->temp_max =
1431 w83627hf_read_value(client, W83781D_REG_TEMP_OVER(1));
1432 data->temp_max_hyst =
1433 w83627hf_read_value(client, W83781D_REG_TEMP_HYST(1));
1434 data->temp_add[0] =
1435 w83627hf_read_value(client, W83781D_REG_TEMP(2));
1436 data->temp_max_add[0] =
1437 w83627hf_read_value(client, W83781D_REG_TEMP_OVER(2));
1438 data->temp_max_hyst_add[0] =
1439 w83627hf_read_value(client, W83781D_REG_TEMP_HYST(2));
1440 if (data->type != w83697hf) {
1441 data->temp_add[1] =
1442 w83627hf_read_value(client, W83781D_REG_TEMP(3));
1443 data->temp_max_add[1] =
1444 w83627hf_read_value(client, W83781D_REG_TEMP_OVER(3));
1445 data->temp_max_hyst_add[1] =
1446 w83627hf_read_value(client, W83781D_REG_TEMP_HYST(3));
1447 }
1448
1449 i = w83627hf_read_value(client, W83781D_REG_VID_FANDIV);
1450 data->fan_div[0] = (i >> 4) & 0x03;
1451 data->fan_div[1] = (i >> 6) & 0x03;
1452 if (data->type != w83697hf) {
1453 data->fan_div[2] = (w83627hf_read_value(client,
1454 W83781D_REG_PIN) >> 6) & 0x03;
1455 }
1456 i = w83627hf_read_value(client, W83781D_REG_VBAT);
1457 data->fan_div[0] |= (i >> 3) & 0x04;
1458 data->fan_div[1] |= (i >> 4) & 0x04;
1459 if (data->type != w83697hf)
1460 data->fan_div[2] |= (i >> 5) & 0x04;
1461 data->alarms =
1462 w83627hf_read_value(client, W83781D_REG_ALARM1) |
1463 (w83627hf_read_value(client, W83781D_REG_ALARM2) << 8) |
1464 (w83627hf_read_value(client, W83781D_REG_ALARM3) << 16);
1465 i = w83627hf_read_value(client, W83781D_REG_BEEP_INTS2);
1466 data->beep_enable = i >> 7;
1467 data->beep_mask = ((i & 0x7f) << 8) |
1468 w83627hf_read_value(client, W83781D_REG_BEEP_INTS1) |
1469 w83627hf_read_value(client, W83781D_REG_BEEP_INTS3) << 16;
1470 data->last_updated = jiffies;
1471 data->valid = 1;
1472 }
1473
1474 up(&data->update_lock);
1475
1476 return data;
1477}
1478
1479static int __init sensors_w83627hf_init(void)
1480{
Jean Delvare2d8672c2005-07-19 23:56:35 +02001481 if (w83627hf_find(0x2e, &address)
1482 && w83627hf_find(0x4e, &address)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001483 return -ENODEV;
1484 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001485
Jean Delvarefde09502005-07-19 23:51:07 +02001486 return i2c_isa_add_driver(&w83627hf_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001487}
1488
1489static void __exit sensors_w83627hf_exit(void)
1490{
Jean Delvarefde09502005-07-19 23:51:07 +02001491 i2c_isa_del_driver(&w83627hf_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001492}
1493
1494MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
1495 "Philip Edelbrock <phil@netroedge.com>, "
1496 "and Mark Studebaker <mdsxyz123@yahoo.com>");
1497MODULE_DESCRIPTION("W83627HF driver");
1498MODULE_LICENSE("GPL");
1499
1500module_init(sensors_w83627hf_init);
1501module_exit(sensors_w83627hf_exit);