2 sis5595.c - Part of lm_sensors, Linux kernel modules
3 for hardware monitoring
5 Copyright (C) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>,
6 Kyösti Mälkki <kmalkki@cc.hut.fi>, and
7 Mark D. Studebaker <mdsxyz123@yahoo.com>
8 Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with
9 the help of Jean Delvare <khali@linux-fr.org>
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 SiS southbridge has a LM78-like chip integrated on the same IC.
28 This driver is a customized copy of lm78.c
30 Supports following revisions:
31 Version PCI ID PCI Revision
32 1 1039/0008 AF or less
33 2 1039/0008 B0 or greater
35 Note: these chips contain a 0008 device which is incompatible with the
36 5595. We recognize these by the presence of the listed
37 "blacklist" PCI ID and refuse to load.
39 NOT SUPPORTED PCI ID BLACKLIST PCI ID
53 #include <linux/module.h>
54 #include <linux/slab.h>
55 #include <linux/ioport.h>
56 #include <linux/pci.h>
57 #include <linux/i2c.h>
58 #include <linux/i2c-isa.h>
59 #include <linux/hwmon.h>
60 #include <linux/err.h>
61 #include <linux/init.h>
62 #include <linux/jiffies.h>
66 /* If force_addr is set to anything different from 0, we forcibly enable
67 the device at the given address. */
68 static u16 force_addr;
69 module_param(force_addr, ushort, 0);
70 MODULE_PARM_DESC(force_addr,
71 "Initialize the base address of the sensors");
74 Note that we can't determine the ISA address until we have initialized
76 static unsigned short address;
78 /* Many SIS5595 constants specified below */
80 /* Length of ISA address segment */
81 #define SIS5595_EXTENT 8
82 /* PCI Config Registers */
83 #define SIS5595_REVISION_REG 0x08
84 #define SIS5595_BASE_REG 0x68
85 #define SIS5595_PIN_REG 0x7A
86 #define SIS5595_ENABLE_REG 0x7B
88 /* Where are the ISA address/data registers relative to the base address */
89 #define SIS5595_ADDR_REG_OFFSET 5
90 #define SIS5595_DATA_REG_OFFSET 6
92 /* The SIS5595 registers */
93 #define SIS5595_REG_IN_MAX(nr) (0x2b + (nr) * 2)
94 #define SIS5595_REG_IN_MIN(nr) (0x2c + (nr) * 2)
95 #define SIS5595_REG_IN(nr) (0x20 + (nr))
97 #define SIS5595_REG_FAN_MIN(nr) (0x3b + (nr))
98 #define SIS5595_REG_FAN(nr) (0x28 + (nr))
100 /* On the first version of the chip, the temp registers are separate.
101 On the second version,
102 TEMP pin is shared with IN4, configured in PCI register 0x7A.
103 The registers are the same as well.
104 OVER and HYST are really MAX and MIN. */
107 #define SIS5595_REG_TEMP (( data->revision) >= REV2MIN) ? \
108 SIS5595_REG_IN(4) : 0x27
109 #define SIS5595_REG_TEMP_OVER (( data->revision) >= REV2MIN) ? \
110 SIS5595_REG_IN_MAX(4) : 0x39
111 #define SIS5595_REG_TEMP_HYST (( data->revision) >= REV2MIN) ? \
112 SIS5595_REG_IN_MIN(4) : 0x3a
114 #define SIS5595_REG_CONFIG 0x40
115 #define SIS5595_REG_ALARM1 0x41
116 #define SIS5595_REG_ALARM2 0x42
117 #define SIS5595_REG_FANDIV 0x47
119 /* Conversions. Limit checking is only done on the TO_REG
122 /* IN: mV, (0V to 4.08V)
124 static inline u8 IN_TO_REG(unsigned long val)
126 unsigned long nval = SENSORS_LIMIT(val, 0, 4080);
127 return (nval + 8) / 16;
129 #define IN_FROM_REG(val) ((val) * 16)
131 static inline u8 FAN_TO_REG(long rpm, int div)
135 return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
138 static inline int FAN_FROM_REG(u8 val, int div)
140 return val==0 ? -1 : val==255 ? 0 : 1350000/(val*div);
143 /* TEMP: mC (-54.12C to +157.53C)
144 REG: 0.83C/bit + 52.12, two's complement */
145 static inline int TEMP_FROM_REG(s8 val)
147 return val * 830 + 52120;
149 static inline s8 TEMP_TO_REG(int val)
151 int nval = SENSORS_LIMIT(val, -54120, 157530) ;
152 return nval<0 ? (nval-5212-415)/830 : (nval-5212+415)/830;
155 /* FAN DIV: 1, 2, 4, or 8 (defaults to 2)
156 REG: 0, 1, 2, or 3 (respectively) (defaults to 1) */
157 static inline u8 DIV_TO_REG(int val)
159 return val==8 ? 3 : val==4 ? 2 : val==1 ? 0 : 1;
161 #define DIV_FROM_REG(val) (1 << (val))
163 /* For the SIS5595, we need to keep some data in memory. That
164 data is pointed to by sis5595_list[NR]->data. The structure itself is
165 dynamically allocated, at the time when the new sis5595 client is
167 struct sis5595_data {
168 struct i2c_client client;
169 struct class_device *class_dev;
170 struct semaphore lock;
172 struct semaphore update_lock;
173 char valid; /* !=0 if following fields are valid */
174 unsigned long last_updated; /* In jiffies */
175 char maxins; /* == 3 if temp enabled, otherwise == 4 */
176 u8 revision; /* Reg. value */
178 u8 in[5]; /* Register value */
179 u8 in_max[5]; /* Register value */
180 u8 in_min[5]; /* Register value */
181 u8 fan[2]; /* Register value */
182 u8 fan_min[2]; /* Register value */
183 s8 temp; /* Register value */
184 s8 temp_over; /* Register value */
185 s8 temp_hyst; /* Register value */
186 u8 fan_div[2]; /* Register encoding, shifted right */
187 u16 alarms; /* Register encoding, combined */
190 static struct pci_dev *s_bridge; /* pointer to the (only) sis5595 */
192 static int sis5595_detect(struct i2c_adapter *adapter);
193 static int sis5595_detach_client(struct i2c_client *client);
195 static int sis5595_read_value(struct i2c_client *client, u8 register);
196 static int sis5595_write_value(struct i2c_client *client, u8 register, u8 value);
197 static struct sis5595_data *sis5595_update_device(struct device *dev);
198 static void sis5595_init_client(struct i2c_client *client);
200 static struct i2c_driver sis5595_driver = {
201 .owner = THIS_MODULE,
203 .attach_adapter = sis5595_detect,
204 .detach_client = sis5595_detach_client,
208 static ssize_t show_in(struct device *dev, char *buf, int nr)
210 struct sis5595_data *data = sis5595_update_device(dev);
211 return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr]));
214 static ssize_t show_in_min(struct device *dev, char *buf, int nr)
216 struct sis5595_data *data = sis5595_update_device(dev);
217 return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[nr]));
220 static ssize_t show_in_max(struct device *dev, char *buf, int nr)
222 struct sis5595_data *data = sis5595_update_device(dev);
223 return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[nr]));
226 static ssize_t set_in_min(struct device *dev, const char *buf,
227 size_t count, int nr)
229 struct i2c_client *client = to_i2c_client(dev);
230 struct sis5595_data *data = i2c_get_clientdata(client);
231 unsigned long val = simple_strtoul(buf, NULL, 10);
233 down(&data->update_lock);
234 data->in_min[nr] = IN_TO_REG(val);
235 sis5595_write_value(client, SIS5595_REG_IN_MIN(nr), data->in_min[nr]);
236 up(&data->update_lock);
240 static ssize_t set_in_max(struct device *dev, const char *buf,
241 size_t count, int nr)
243 struct i2c_client *client = to_i2c_client(dev);
244 struct sis5595_data *data = i2c_get_clientdata(client);
245 unsigned long val = simple_strtoul(buf, NULL, 10);
247 down(&data->update_lock);
248 data->in_max[nr] = IN_TO_REG(val);
249 sis5595_write_value(client, SIS5595_REG_IN_MAX(nr), data->in_max[nr]);
250 up(&data->update_lock);
254 #define show_in_offset(offset) \
256 show_in##offset (struct device *dev, struct device_attribute *attr, char *buf) \
258 return show_in(dev, buf, offset); \
260 static DEVICE_ATTR(in##offset##_input, S_IRUGO, \
261 show_in##offset, NULL); \
263 show_in##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \
265 return show_in_min(dev, buf, offset); \
268 show_in##offset##_max (struct device *dev, struct device_attribute *attr, char *buf) \
270 return show_in_max(dev, buf, offset); \
272 static ssize_t set_in##offset##_min (struct device *dev, struct device_attribute *attr, \
273 const char *buf, size_t count) \
275 return set_in_min(dev, buf, count, offset); \
277 static ssize_t set_in##offset##_max (struct device *dev, struct device_attribute *attr, \
278 const char *buf, size_t count) \
280 return set_in_max(dev, buf, count, offset); \
282 static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
283 show_in##offset##_min, set_in##offset##_min); \
284 static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
285 show_in##offset##_max, set_in##offset##_max);
294 static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char *buf)
296 struct sis5595_data *data = sis5595_update_device(dev);
297 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp));
300 static ssize_t show_temp_over(struct device *dev, struct device_attribute *attr, char *buf)
302 struct sis5595_data *data = sis5595_update_device(dev);
303 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_over));
306 static ssize_t set_temp_over(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
308 struct i2c_client *client = to_i2c_client(dev);
309 struct sis5595_data *data = i2c_get_clientdata(client);
310 long val = simple_strtol(buf, NULL, 10);
312 down(&data->update_lock);
313 data->temp_over = TEMP_TO_REG(val);
314 sis5595_write_value(client, SIS5595_REG_TEMP_OVER, data->temp_over);
315 up(&data->update_lock);
319 static ssize_t show_temp_hyst(struct device *dev, struct device_attribute *attr, char *buf)
321 struct sis5595_data *data = sis5595_update_device(dev);
322 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_hyst));
325 static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
327 struct i2c_client *client = to_i2c_client(dev);
328 struct sis5595_data *data = i2c_get_clientdata(client);
329 long val = simple_strtol(buf, NULL, 10);
331 down(&data->update_lock);
332 data->temp_hyst = TEMP_TO_REG(val);
333 sis5595_write_value(client, SIS5595_REG_TEMP_HYST, data->temp_hyst);
334 up(&data->update_lock);
338 static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL);
339 static DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR,
340 show_temp_over, set_temp_over);
341 static DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR,
342 show_temp_hyst, set_temp_hyst);
345 static ssize_t show_fan(struct device *dev, char *buf, int nr)
347 struct sis5595_data *data = sis5595_update_device(dev);
348 return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
349 DIV_FROM_REG(data->fan_div[nr])) );
352 static ssize_t show_fan_min(struct device *dev, char *buf, int nr)
354 struct sis5595_data *data = sis5595_update_device(dev);
355 return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr],
356 DIV_FROM_REG(data->fan_div[nr])) );
359 static ssize_t set_fan_min(struct device *dev, const char *buf,
360 size_t count, int nr)
362 struct i2c_client *client = to_i2c_client(dev);
363 struct sis5595_data *data = i2c_get_clientdata(client);
364 unsigned long val = simple_strtoul(buf, NULL, 10);
366 down(&data->update_lock);
367 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
368 sis5595_write_value(client, SIS5595_REG_FAN_MIN(nr), data->fan_min[nr]);
369 up(&data->update_lock);
373 static ssize_t show_fan_div(struct device *dev, char *buf, int nr)
375 struct sis5595_data *data = sis5595_update_device(dev);
376 return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]) );
379 /* Note: we save and restore the fan minimum here, because its value is
380 determined in part by the fan divisor. This follows the principle of
381 least suprise; the user doesn't expect the fan minimum to change just
382 because the divisor changed. */
383 static ssize_t set_fan_div(struct device *dev, const char *buf,
384 size_t count, int nr)
386 struct i2c_client *client = to_i2c_client(dev);
387 struct sis5595_data *data = i2c_get_clientdata(client);
389 unsigned long val = simple_strtoul(buf, NULL, 10);
392 down(&data->update_lock);
393 min = FAN_FROM_REG(data->fan_min[nr],
394 DIV_FROM_REG(data->fan_div[nr]));
395 reg = sis5595_read_value(client, SIS5595_REG_FANDIV);
398 case 1: data->fan_div[nr] = 0; break;
399 case 2: data->fan_div[nr] = 1; break;
400 case 4: data->fan_div[nr] = 2; break;
401 case 8: data->fan_div[nr] = 3; break;
403 dev_err(&client->dev, "fan_div value %ld not "
404 "supported. Choose one of 1, 2, 4 or 8!\n", val);
405 up(&data->update_lock);
411 reg = (reg & 0xcf) | (data->fan_div[nr] << 4);
414 reg = (reg & 0x3f) | (data->fan_div[nr] << 6);
417 sis5595_write_value(client, SIS5595_REG_FANDIV, reg);
419 FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
420 sis5595_write_value(client, SIS5595_REG_FAN_MIN(nr), data->fan_min[nr]);
421 up(&data->update_lock);
425 #define show_fan_offset(offset) \
426 static ssize_t show_fan_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
428 return show_fan(dev, buf, offset - 1); \
430 static ssize_t show_fan_##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \
432 return show_fan_min(dev, buf, offset - 1); \
434 static ssize_t show_fan_##offset##_div (struct device *dev, struct device_attribute *attr, char *buf) \
436 return show_fan_div(dev, buf, offset - 1); \
438 static ssize_t set_fan_##offset##_min (struct device *dev, struct device_attribute *attr, \
439 const char *buf, size_t count) \
441 return set_fan_min(dev, buf, count, offset - 1); \
443 static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan_##offset, NULL);\
444 static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
445 show_fan_##offset##_min, set_fan_##offset##_min);
450 static ssize_t set_fan_1_div(struct device *dev, struct device_attribute *attr, const char *buf,
453 return set_fan_div(dev, buf, count, 0) ;
456 static ssize_t set_fan_2_div(struct device *dev, struct device_attribute *attr, const char *buf,
459 return set_fan_div(dev, buf, count, 1) ;
461 static DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR,
462 show_fan_1_div, set_fan_1_div);
463 static DEVICE_ATTR(fan2_div, S_IRUGO | S_IWUSR,
464 show_fan_2_div, set_fan_2_div);
467 static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
469 struct sis5595_data *data = sis5595_update_device(dev);
470 return sprintf(buf, "%d\n", data->alarms);
472 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
474 /* This is called when the module is loaded */
475 static int sis5595_detect(struct i2c_adapter *adapter)
479 struct i2c_client *new_client;
480 struct sis5595_data *data;
485 address = force_addr & ~(SIS5595_EXTENT - 1);
486 /* Reserve the ISA region */
487 if (!request_region(address, SIS5595_EXTENT, sis5595_driver.name)) {
492 dev_warn(&adapter->dev, "forcing ISA address 0x%04X\n", address);
493 if (PCIBIOS_SUCCESSFUL !=
494 pci_write_config_word(s_bridge, SIS5595_BASE_REG, address))
496 if (PCIBIOS_SUCCESSFUL !=
497 pci_read_config_word(s_bridge, SIS5595_BASE_REG, &a))
499 if ((a & ~(SIS5595_EXTENT - 1)) != address)
500 /* doesn't work for some chips? */
504 if (PCIBIOS_SUCCESSFUL !=
505 pci_read_config_byte(s_bridge, SIS5595_ENABLE_REG, &val)) {
508 if ((val & 0x80) == 0) {
509 if (PCIBIOS_SUCCESSFUL !=
510 pci_write_config_byte(s_bridge, SIS5595_ENABLE_REG,
513 if (PCIBIOS_SUCCESSFUL !=
514 pci_read_config_byte(s_bridge, SIS5595_ENABLE_REG, &val))
516 if ((val & 0x80) == 0)
517 /* doesn't work for some chips! */
521 if (!(data = kzalloc(sizeof(struct sis5595_data), GFP_KERNEL))) {
526 new_client = &data->client;
527 new_client->addr = address;
528 init_MUTEX(&data->lock);
529 i2c_set_clientdata(new_client, data);
530 new_client->adapter = adapter;
531 new_client->driver = &sis5595_driver;
532 new_client->flags = 0;
534 /* Check revision and pin registers to determine whether 4 or 5 voltages */
535 pci_read_config_byte(s_bridge, SIS5595_REVISION_REG, &(data->revision));
536 /* 4 voltages, 1 temp */
538 if (data->revision >= REV2MIN) {
539 pci_read_config_byte(s_bridge, SIS5595_PIN_REG, &val);
541 /* 5 voltages, no temps */
545 /* Fill in the remaining client fields and put it into the global list */
546 strlcpy(new_client->name, "sis5595", I2C_NAME_SIZE);
549 init_MUTEX(&data->update_lock);
551 /* Tell the I2C layer a new client has arrived */
552 if ((err = i2c_attach_client(new_client)))
555 /* Initialize the SIS5595 chip */
556 sis5595_init_client(new_client);
558 /* A few vars need to be filled upon startup */
559 for (i = 0; i < 2; i++) {
560 data->fan_min[i] = sis5595_read_value(new_client,
561 SIS5595_REG_FAN_MIN(i));
564 /* Register sysfs hooks */
565 data->class_dev = hwmon_device_register(&new_client->dev);
566 if (IS_ERR(data->class_dev)) {
567 err = PTR_ERR(data->class_dev);
571 device_create_file(&new_client->dev, &dev_attr_in0_input);
572 device_create_file(&new_client->dev, &dev_attr_in0_min);
573 device_create_file(&new_client->dev, &dev_attr_in0_max);
574 device_create_file(&new_client->dev, &dev_attr_in1_input);
575 device_create_file(&new_client->dev, &dev_attr_in1_min);
576 device_create_file(&new_client->dev, &dev_attr_in1_max);
577 device_create_file(&new_client->dev, &dev_attr_in2_input);
578 device_create_file(&new_client->dev, &dev_attr_in2_min);
579 device_create_file(&new_client->dev, &dev_attr_in2_max);
580 device_create_file(&new_client->dev, &dev_attr_in3_input);
581 device_create_file(&new_client->dev, &dev_attr_in3_min);
582 device_create_file(&new_client->dev, &dev_attr_in3_max);
583 if (data->maxins == 4) {
584 device_create_file(&new_client->dev, &dev_attr_in4_input);
585 device_create_file(&new_client->dev, &dev_attr_in4_min);
586 device_create_file(&new_client->dev, &dev_attr_in4_max);
588 device_create_file(&new_client->dev, &dev_attr_fan1_input);
589 device_create_file(&new_client->dev, &dev_attr_fan1_min);
590 device_create_file(&new_client->dev, &dev_attr_fan1_div);
591 device_create_file(&new_client->dev, &dev_attr_fan2_input);
592 device_create_file(&new_client->dev, &dev_attr_fan2_min);
593 device_create_file(&new_client->dev, &dev_attr_fan2_div);
594 device_create_file(&new_client->dev, &dev_attr_alarms);
595 if (data->maxins == 3) {
596 device_create_file(&new_client->dev, &dev_attr_temp1_input);
597 device_create_file(&new_client->dev, &dev_attr_temp1_max);
598 device_create_file(&new_client->dev, &dev_attr_temp1_max_hyst);
603 i2c_detach_client(new_client);
607 release_region(address, SIS5595_EXTENT);
612 static int sis5595_detach_client(struct i2c_client *client)
614 struct sis5595_data *data = i2c_get_clientdata(client);
617 hwmon_device_unregister(data->class_dev);
619 if ((err = i2c_detach_client(client)))
622 release_region(client->addr, SIS5595_EXTENT);
630 /* ISA access must be locked explicitly. */
631 static int sis5595_read_value(struct i2c_client *client, u8 reg)
635 struct sis5595_data *data = i2c_get_clientdata(client);
637 outb_p(reg, client->addr + SIS5595_ADDR_REG_OFFSET);
638 res = inb_p(client->addr + SIS5595_DATA_REG_OFFSET);
643 static int sis5595_write_value(struct i2c_client *client, u8 reg, u8 value)
645 struct sis5595_data *data = i2c_get_clientdata(client);
647 outb_p(reg, client->addr + SIS5595_ADDR_REG_OFFSET);
648 outb_p(value, client->addr + SIS5595_DATA_REG_OFFSET);
653 /* Called when we have found a new SIS5595. */
654 static void sis5595_init_client(struct i2c_client *client)
656 u8 config = sis5595_read_value(client, SIS5595_REG_CONFIG);
657 if (!(config & 0x01))
658 sis5595_write_value(client, SIS5595_REG_CONFIG,
659 (config & 0xf7) | 0x01);
662 static struct sis5595_data *sis5595_update_device(struct device *dev)
664 struct i2c_client *client = to_i2c_client(dev);
665 struct sis5595_data *data = i2c_get_clientdata(client);
668 down(&data->update_lock);
670 if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
673 for (i = 0; i <= data->maxins; i++) {
675 sis5595_read_value(client, SIS5595_REG_IN(i));
677 sis5595_read_value(client,
678 SIS5595_REG_IN_MIN(i));
680 sis5595_read_value(client,
681 SIS5595_REG_IN_MAX(i));
683 for (i = 0; i < 2; i++) {
685 sis5595_read_value(client, SIS5595_REG_FAN(i));
687 sis5595_read_value(client,
688 SIS5595_REG_FAN_MIN(i));
690 if (data->maxins == 3) {
692 sis5595_read_value(client, SIS5595_REG_TEMP);
694 sis5595_read_value(client, SIS5595_REG_TEMP_OVER);
696 sis5595_read_value(client, SIS5595_REG_TEMP_HYST);
698 i = sis5595_read_value(client, SIS5595_REG_FANDIV);
699 data->fan_div[0] = (i >> 4) & 0x03;
700 data->fan_div[1] = i >> 6;
702 sis5595_read_value(client, SIS5595_REG_ALARM1) |
703 (sis5595_read_value(client, SIS5595_REG_ALARM2) << 8);
704 data->last_updated = jiffies;
708 up(&data->update_lock);
713 static struct pci_device_id sis5595_pci_ids[] = {
714 { PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_503) },
718 MODULE_DEVICE_TABLE(pci, sis5595_pci_ids);
720 static int blacklist[] __devinitdata = {
721 PCI_DEVICE_ID_SI_540,
722 PCI_DEVICE_ID_SI_550,
723 PCI_DEVICE_ID_SI_630,
724 PCI_DEVICE_ID_SI_645,
725 PCI_DEVICE_ID_SI_730,
726 PCI_DEVICE_ID_SI_735,
727 PCI_DEVICE_ID_SI_5511, /* 5513 chip has the 0008 device but
728 that ID shows up in other chips so we
729 use the 5511 ID for recognition */
730 PCI_DEVICE_ID_SI_5597,
731 PCI_DEVICE_ID_SI_5598,
734 static int __devinit sis5595_pci_probe(struct pci_dev *dev,
735 const struct pci_device_id *id)
740 for (i = blacklist; *i != 0; i++) {
742 dev = pci_get_device(PCI_VENDOR_ID_SI, *i, NULL);
744 dev_err(&dev->dev, "Looked for SIS5595 but found unsupported device %.4x\n", *i);
750 if (PCIBIOS_SUCCESSFUL !=
751 pci_read_config_word(dev, SIS5595_BASE_REG, &val))
754 address = val & ~(SIS5595_EXTENT - 1);
755 if (address == 0 && force_addr == 0) {
756 dev_err(&dev->dev, "Base address not set - upgrade BIOS or use force_addr=0xaddr\n");
760 s_bridge = pci_dev_get(dev);
761 if (i2c_isa_add_driver(&sis5595_driver)) {
762 pci_dev_put(s_bridge);
766 /* Always return failure here. This is to allow other drivers to bind
767 * to this pci device. We don't really want to have control over the
768 * pci device, we only wanted to read as few register values from it.
773 static struct pci_driver sis5595_pci_driver = {
775 .id_table = sis5595_pci_ids,
776 .probe = sis5595_pci_probe,
779 static int __init sm_sis5595_init(void)
781 return pci_register_driver(&sis5595_pci_driver);
784 static void __exit sm_sis5595_exit(void)
786 pci_unregister_driver(&sis5595_pci_driver);
787 if (s_bridge != NULL) {
788 i2c_isa_del_driver(&sis5595_driver);
789 pci_dev_put(s_bridge);
794 MODULE_AUTHOR("Aurelien Jarno <aurelien@aurel32.net>");
795 MODULE_DESCRIPTION("SiS 5595 Sensor device");
796 MODULE_LICENSE("GPL");
798 module_init(sm_sis5595_init);
799 module_exit(sm_sis5595_exit);