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-rw-r--r--drivers/hwmon/Kconfig3
-rw-r--r--drivers/hwmon/sis5595.c323
2 files changed, 177 insertions, 149 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index b432584c49a8..398a52e163e4 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -431,8 +431,7 @@ config SENSORS_PC87427
431 431
432config SENSORS_SIS5595 432config SENSORS_SIS5595
433 tristate "Silicon Integrated Systems Corp. SiS5595" 433 tristate "Silicon Integrated Systems Corp. SiS5595"
434 depends on I2C && PCI && EXPERIMENTAL 434 depends on PCI
435 select I2C_ISA
436 help 435 help
437 If you say yes here you get support for the integrated sensors in 436 If you say yes here you get support for the integrated sensors in
438 SiS5595 South Bridges. 437 SiS5595 South Bridges.
diff --git a/drivers/hwmon/sis5595.c b/drivers/hwmon/sis5595.c
index 3f400263fc0f..c56bae3bd4c7 100644
--- a/drivers/hwmon/sis5595.c
+++ b/drivers/hwmon/sis5595.c
@@ -54,8 +54,7 @@
54#include <linux/slab.h> 54#include <linux/slab.h>
55#include <linux/ioport.h> 55#include <linux/ioport.h>
56#include <linux/pci.h> 56#include <linux/pci.h>
57#include <linux/i2c.h> 57#include <linux/platform_device.h>
58#include <linux/i2c-isa.h>
59#include <linux/hwmon.h> 58#include <linux/hwmon.h>
60#include <linux/err.h> 59#include <linux/err.h>
61#include <linux/init.h> 60#include <linux/init.h>
@@ -72,10 +71,7 @@ module_param(force_addr, ushort, 0);
72MODULE_PARM_DESC(force_addr, 71MODULE_PARM_DESC(force_addr,
73 "Initialize the base address of the sensors"); 72 "Initialize the base address of the sensors");
74 73
75/* Device address 74static struct platform_device *pdev;
76 Note that we can't determine the ISA address until we have initialized
77 our module */
78static unsigned short address;
79 75
80/* Many SIS5595 constants specified below */ 76/* Many SIS5595 constants specified below */
81 77
@@ -165,7 +161,8 @@ static inline u8 DIV_TO_REG(int val)
165/* For each registered chip, we need to keep some data in memory. 161/* For each registered chip, we need to keep some data in memory.
166 The structure is dynamically allocated. */ 162 The structure is dynamically allocated. */
167struct sis5595_data { 163struct sis5595_data {
168 struct i2c_client client; 164 unsigned short addr;
165 const char *name;
169 struct class_device *class_dev; 166 struct class_device *class_dev;
170 struct mutex lock; 167 struct mutex lock;
171 168
@@ -189,21 +186,21 @@ struct sis5595_data {
189 186
190static struct pci_dev *s_bridge; /* pointer to the (only) sis5595 */ 187static struct pci_dev *s_bridge; /* pointer to the (only) sis5595 */
191 188
192static int sis5595_detect(struct i2c_adapter *adapter); 189static int sis5595_probe(struct platform_device *pdev);
193static int sis5595_detach_client(struct i2c_client *client); 190static int sis5595_remove(struct platform_device *pdev);
194 191
195static int sis5595_read_value(struct i2c_client *client, u8 reg); 192static int sis5595_read_value(struct sis5595_data *data, u8 reg);
196static int sis5595_write_value(struct i2c_client *client, u8 reg, u8 value); 193static void sis5595_write_value(struct sis5595_data *data, u8 reg, u8 value);
197static struct sis5595_data *sis5595_update_device(struct device *dev); 194static struct sis5595_data *sis5595_update_device(struct device *dev);
198static void sis5595_init_client(struct i2c_client *client); 195static void sis5595_init_device(struct sis5595_data *data);
199 196
200static struct i2c_driver sis5595_driver = { 197static struct platform_driver sis5595_driver = {
201 .driver = { 198 .driver = {
202 .owner = THIS_MODULE, 199 .owner = THIS_MODULE,
203 .name = "sis5595", 200 .name = "sis5595",
204 }, 201 },
205 .attach_adapter = sis5595_detect, 202 .probe = sis5595_probe,
206 .detach_client = sis5595_detach_client, 203 .remove = __devexit_p(sis5595_remove),
207}; 204};
208 205
209/* 4 Voltages */ 206/* 4 Voltages */
@@ -228,13 +225,12 @@ static ssize_t show_in_max(struct device *dev, char *buf, int nr)
228static ssize_t set_in_min(struct device *dev, const char *buf, 225static ssize_t set_in_min(struct device *dev, const char *buf,
229 size_t count, int nr) 226 size_t count, int nr)
230{ 227{
231 struct i2c_client *client = to_i2c_client(dev); 228 struct sis5595_data *data = dev_get_drvdata(dev);
232 struct sis5595_data *data = i2c_get_clientdata(client);
233 unsigned long val = simple_strtoul(buf, NULL, 10); 229 unsigned long val = simple_strtoul(buf, NULL, 10);
234 230
235 mutex_lock(&data->update_lock); 231 mutex_lock(&data->update_lock);
236 data->in_min[nr] = IN_TO_REG(val); 232 data->in_min[nr] = IN_TO_REG(val);
237 sis5595_write_value(client, SIS5595_REG_IN_MIN(nr), data->in_min[nr]); 233 sis5595_write_value(data, SIS5595_REG_IN_MIN(nr), data->in_min[nr]);
238 mutex_unlock(&data->update_lock); 234 mutex_unlock(&data->update_lock);
239 return count; 235 return count;
240} 236}
@@ -242,13 +238,12 @@ static ssize_t set_in_min(struct device *dev, const char *buf,
242static ssize_t set_in_max(struct device *dev, const char *buf, 238static ssize_t set_in_max(struct device *dev, const char *buf,
243 size_t count, int nr) 239 size_t count, int nr)
244{ 240{
245 struct i2c_client *client = to_i2c_client(dev); 241 struct sis5595_data *data = dev_get_drvdata(dev);
246 struct sis5595_data *data = i2c_get_clientdata(client);
247 unsigned long val = simple_strtoul(buf, NULL, 10); 242 unsigned long val = simple_strtoul(buf, NULL, 10);
248 243
249 mutex_lock(&data->update_lock); 244 mutex_lock(&data->update_lock);
250 data->in_max[nr] = IN_TO_REG(val); 245 data->in_max[nr] = IN_TO_REG(val);
251 sis5595_write_value(client, SIS5595_REG_IN_MAX(nr), data->in_max[nr]); 246 sis5595_write_value(data, SIS5595_REG_IN_MAX(nr), data->in_max[nr]);
252 mutex_unlock(&data->update_lock); 247 mutex_unlock(&data->update_lock);
253 return count; 248 return count;
254} 249}
@@ -307,13 +302,12 @@ static ssize_t show_temp_over(struct device *dev, struct device_attribute *attr,
307 302
308static ssize_t set_temp_over(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) 303static ssize_t set_temp_over(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
309{ 304{
310 struct i2c_client *client = to_i2c_client(dev); 305 struct sis5595_data *data = dev_get_drvdata(dev);
311 struct sis5595_data *data = i2c_get_clientdata(client);
312 long val = simple_strtol(buf, NULL, 10); 306 long val = simple_strtol(buf, NULL, 10);
313 307
314 mutex_lock(&data->update_lock); 308 mutex_lock(&data->update_lock);
315 data->temp_over = TEMP_TO_REG(val); 309 data->temp_over = TEMP_TO_REG(val);
316 sis5595_write_value(client, SIS5595_REG_TEMP_OVER, data->temp_over); 310 sis5595_write_value(data, SIS5595_REG_TEMP_OVER, data->temp_over);
317 mutex_unlock(&data->update_lock); 311 mutex_unlock(&data->update_lock);
318 return count; 312 return count;
319} 313}
@@ -326,13 +320,12 @@ static ssize_t show_temp_hyst(struct device *dev, struct device_attribute *attr,
326 320
327static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) 321static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
328{ 322{
329 struct i2c_client *client = to_i2c_client(dev); 323 struct sis5595_data *data = dev_get_drvdata(dev);
330 struct sis5595_data *data = i2c_get_clientdata(client);
331 long val = simple_strtol(buf, NULL, 10); 324 long val = simple_strtol(buf, NULL, 10);
332 325
333 mutex_lock(&data->update_lock); 326 mutex_lock(&data->update_lock);
334 data->temp_hyst = TEMP_TO_REG(val); 327 data->temp_hyst = TEMP_TO_REG(val);
335 sis5595_write_value(client, SIS5595_REG_TEMP_HYST, data->temp_hyst); 328 sis5595_write_value(data, SIS5595_REG_TEMP_HYST, data->temp_hyst);
336 mutex_unlock(&data->update_lock); 329 mutex_unlock(&data->update_lock);
337 return count; 330 return count;
338} 331}
@@ -361,13 +354,12 @@ static ssize_t show_fan_min(struct device *dev, char *buf, int nr)
361static ssize_t set_fan_min(struct device *dev, const char *buf, 354static ssize_t set_fan_min(struct device *dev, const char *buf,
362 size_t count, int nr) 355 size_t count, int nr)
363{ 356{
364 struct i2c_client *client = to_i2c_client(dev); 357 struct sis5595_data *data = dev_get_drvdata(dev);
365 struct sis5595_data *data = i2c_get_clientdata(client);
366 unsigned long val = simple_strtoul(buf, NULL, 10); 358 unsigned long val = simple_strtoul(buf, NULL, 10);
367 359
368 mutex_lock(&data->update_lock); 360 mutex_lock(&data->update_lock);
369 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); 361 data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
370 sis5595_write_value(client, SIS5595_REG_FAN_MIN(nr), data->fan_min[nr]); 362 sis5595_write_value(data, SIS5595_REG_FAN_MIN(nr), data->fan_min[nr]);
371 mutex_unlock(&data->update_lock); 363 mutex_unlock(&data->update_lock);
372 return count; 364 return count;
373} 365}
@@ -385,8 +377,7 @@ static ssize_t show_fan_div(struct device *dev, char *buf, int nr)
385static ssize_t set_fan_div(struct device *dev, const char *buf, 377static ssize_t set_fan_div(struct device *dev, const char *buf,
386 size_t count, int nr) 378 size_t count, int nr)
387{ 379{
388 struct i2c_client *client = to_i2c_client(dev); 380 struct sis5595_data *data = dev_get_drvdata(dev);
389 struct sis5595_data *data = i2c_get_clientdata(client);
390 unsigned long min; 381 unsigned long min;
391 unsigned long val = simple_strtoul(buf, NULL, 10); 382 unsigned long val = simple_strtoul(buf, NULL, 10);
392 int reg; 383 int reg;
@@ -394,7 +385,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
394 mutex_lock(&data->update_lock); 385 mutex_lock(&data->update_lock);
395 min = FAN_FROM_REG(data->fan_min[nr], 386 min = FAN_FROM_REG(data->fan_min[nr],
396 DIV_FROM_REG(data->fan_div[nr])); 387 DIV_FROM_REG(data->fan_div[nr]));
397 reg = sis5595_read_value(client, SIS5595_REG_FANDIV); 388 reg = sis5595_read_value(data, SIS5595_REG_FANDIV);
398 389
399 switch (val) { 390 switch (val) {
400 case 1: data->fan_div[nr] = 0; break; 391 case 1: data->fan_div[nr] = 0; break;
@@ -402,7 +393,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
402 case 4: data->fan_div[nr] = 2; break; 393 case 4: data->fan_div[nr] = 2; break;
403 case 8: data->fan_div[nr] = 3; break; 394 case 8: data->fan_div[nr] = 3; break;
404 default: 395 default:
405 dev_err(&client->dev, "fan_div value %ld not " 396 dev_err(dev, "fan_div value %ld not "
406 "supported. Choose one of 1, 2, 4 or 8!\n", val); 397 "supported. Choose one of 1, 2, 4 or 8!\n", val);
407 mutex_unlock(&data->update_lock); 398 mutex_unlock(&data->update_lock);
408 return -EINVAL; 399 return -EINVAL;
@@ -416,10 +407,10 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
416 reg = (reg & 0x3f) | (data->fan_div[nr] << 6); 407 reg = (reg & 0x3f) | (data->fan_div[nr] << 6);
417 break; 408 break;
418 } 409 }
419 sis5595_write_value(client, SIS5595_REG_FANDIV, reg); 410 sis5595_write_value(data, SIS5595_REG_FANDIV, reg);
420 data->fan_min[nr] = 411 data->fan_min[nr] =
421 FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); 412 FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
422 sis5595_write_value(client, SIS5595_REG_FAN_MIN(nr), data->fan_min[nr]); 413 sis5595_write_value(data, SIS5595_REG_FAN_MIN(nr), data->fan_min[nr]);
423 mutex_unlock(&data->update_lock); 414 mutex_unlock(&data->update_lock);
424 return count; 415 return count;
425} 416}
@@ -473,6 +464,14 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, ch
473} 464}
474static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); 465static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
475 466
467static ssize_t show_name(struct device *dev, struct device_attribute *attr,
468 char *buf)
469{
470 struct sis5595_data *data = dev_get_drvdata(dev);
471 return sprintf(buf, "%s\n", data->name);
472}
473static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
474
476static struct attribute *sis5595_attributes[] = { 475static struct attribute *sis5595_attributes[] = {
477 &dev_attr_in0_input.attr, 476 &dev_attr_in0_input.attr,
478 &dev_attr_in0_min.attr, 477 &dev_attr_in0_min.attr,
@@ -495,6 +494,7 @@ static struct attribute *sis5595_attributes[] = {
495 &dev_attr_fan2_div.attr, 494 &dev_attr_fan2_div.attr,
496 495
497 &dev_attr_alarms.attr, 496 &dev_attr_alarms.attr,
497 &dev_attr_name.attr,
498 NULL 498 NULL
499}; 499};
500 500
@@ -518,65 +518,32 @@ static const struct attribute_group sis5595_group_opt = {
518}; 518};
519 519
520/* This is called when the module is loaded */ 520/* This is called when the module is loaded */
521static int sis5595_detect(struct i2c_adapter *adapter) 521static int __devinit sis5595_probe(struct platform_device *pdev)
522{ 522{
523 int err = 0; 523 int err = 0;
524 int i; 524 int i;
525 struct i2c_client *new_client;
526 struct sis5595_data *data; 525 struct sis5595_data *data;
526 struct resource *res;
527 char val; 527 char val;
528 u16 a;
529 528
530 if (force_addr)
531 address = force_addr & ~(SIS5595_EXTENT - 1);
532 /* Reserve the ISA region */ 529 /* Reserve the ISA region */
533 if (!request_region(address, SIS5595_EXTENT, 530 res = platform_get_resource(pdev, IORESOURCE_IO, 0);
531 if (!request_region(res->start, SIS5595_EXTENT,
534 sis5595_driver.driver.name)) { 532 sis5595_driver.driver.name)) {
535 err = -EBUSY; 533 err = -EBUSY;
536 goto exit; 534 goto exit;
537 } 535 }
538 if (force_addr) {
539 dev_warn(&adapter->dev, "forcing ISA address 0x%04X\n", address);
540 if (PCIBIOS_SUCCESSFUL !=
541 pci_write_config_word(s_bridge, SIS5595_BASE_REG, address))
542 goto exit_release;
543 if (PCIBIOS_SUCCESSFUL !=
544 pci_read_config_word(s_bridge, SIS5595_BASE_REG, &a))
545 goto exit_release;
546 if ((a & ~(SIS5595_EXTENT - 1)) != address)
547 /* doesn't work for some chips? */
548 goto exit_release;
549 }
550
551 if (PCIBIOS_SUCCESSFUL !=
552 pci_read_config_byte(s_bridge, SIS5595_ENABLE_REG, &val)) {
553 goto exit_release;
554 }
555 if ((val & 0x80) == 0) {
556 if (PCIBIOS_SUCCESSFUL !=
557 pci_write_config_byte(s_bridge, SIS5595_ENABLE_REG,
558 val | 0x80))
559 goto exit_release;
560 if (PCIBIOS_SUCCESSFUL !=
561 pci_read_config_byte(s_bridge, SIS5595_ENABLE_REG, &val))
562 goto exit_release;
563 if ((val & 0x80) == 0)
564 /* doesn't work for some chips! */
565 goto exit_release;
566 }
567 536
568 if (!(data = kzalloc(sizeof(struct sis5595_data), GFP_KERNEL))) { 537 if (!(data = kzalloc(sizeof(struct sis5595_data), GFP_KERNEL))) {
569 err = -ENOMEM; 538 err = -ENOMEM;
570 goto exit_release; 539 goto exit_release;
571 } 540 }
572 541
573 new_client = &data->client;
574 new_client->addr = address;
575 mutex_init(&data->lock); 542 mutex_init(&data->lock);
576 i2c_set_clientdata(new_client, data); 543 mutex_init(&data->update_lock);
577 new_client->adapter = adapter; 544 data->addr = res->start;
578 new_client->driver = &sis5595_driver; 545 data->name = "sis5595";
579 new_client->flags = 0; 546 platform_set_drvdata(pdev, data);
580 547
581 /* Check revision and pin registers to determine whether 4 or 5 voltages */ 548 /* Check revision and pin registers to determine whether 4 or 5 voltages */
582 pci_read_config_byte(s_bridge, SIS5595_REVISION_REG, &(data->revision)); 549 pci_read_config_byte(s_bridge, SIS5595_REVISION_REG, &(data->revision));
@@ -589,47 +556,37 @@ static int sis5595_detect(struct i2c_adapter *adapter)
589 data->maxins = 4; 556 data->maxins = 4;
590 } 557 }
591 558
592 /* Fill in the remaining client fields and put it into the global list */
593 strlcpy(new_client->name, "sis5595", I2C_NAME_SIZE);
594
595 data->valid = 0;
596 mutex_init(&data->update_lock);
597
598 /* Tell the I2C layer a new client has arrived */
599 if ((err = i2c_attach_client(new_client)))
600 goto exit_free;
601
602 /* Initialize the SIS5595 chip */ 559 /* Initialize the SIS5595 chip */
603 sis5595_init_client(new_client); 560 sis5595_init_device(data);
604 561
605 /* A few vars need to be filled upon startup */ 562 /* A few vars need to be filled upon startup */
606 for (i = 0; i < 2; i++) { 563 for (i = 0; i < 2; i++) {
607 data->fan_min[i] = sis5595_read_value(new_client, 564 data->fan_min[i] = sis5595_read_value(data,
608 SIS5595_REG_FAN_MIN(i)); 565 SIS5595_REG_FAN_MIN(i));
609 } 566 }
610 567
611 /* Register sysfs hooks */ 568 /* Register sysfs hooks */
612 if ((err = sysfs_create_group(&new_client->dev.kobj, &sis5595_group))) 569 if ((err = sysfs_create_group(&pdev->dev.kobj, &sis5595_group)))
613 goto exit_detach; 570 goto exit_free;
614 if (data->maxins == 4) { 571 if (data->maxins == 4) {
615 if ((err = device_create_file(&new_client->dev, 572 if ((err = device_create_file(&pdev->dev,
616 &dev_attr_in4_input)) 573 &dev_attr_in4_input))
617 || (err = device_create_file(&new_client->dev, 574 || (err = device_create_file(&pdev->dev,
618 &dev_attr_in4_min)) 575 &dev_attr_in4_min))
619 || (err = device_create_file(&new_client->dev, 576 || (err = device_create_file(&pdev->dev,
620 &dev_attr_in4_max))) 577 &dev_attr_in4_max)))
621 goto exit_remove_files; 578 goto exit_remove_files;
622 } else { 579 } else {
623 if ((err = device_create_file(&new_client->dev, 580 if ((err = device_create_file(&pdev->dev,
624 &dev_attr_temp1_input)) 581 &dev_attr_temp1_input))
625 || (err = device_create_file(&new_client->dev, 582 || (err = device_create_file(&pdev->dev,
626 &dev_attr_temp1_max)) 583 &dev_attr_temp1_max))
627 || (err = device_create_file(&new_client->dev, 584 || (err = device_create_file(&pdev->dev,
628 &dev_attr_temp1_max_hyst))) 585 &dev_attr_temp1_max_hyst)))
629 goto exit_remove_files; 586 goto exit_remove_files;
630 } 587 }
631 588
632 data->class_dev = hwmon_device_register(&new_client->dev); 589 data->class_dev = hwmon_device_register(&pdev->dev);
633 if (IS_ERR(data->class_dev)) { 590 if (IS_ERR(data->class_dev)) {
634 err = PTR_ERR(data->class_dev); 591 err = PTR_ERR(data->class_dev);
635 goto exit_remove_files; 592 goto exit_remove_files;
@@ -638,32 +595,26 @@ static int sis5595_detect(struct i2c_adapter *adapter)
638 return 0; 595 return 0;
639 596
640exit_remove_files: 597exit_remove_files:
641 sysfs_remove_group(&new_client->dev.kobj, &sis5595_group); 598 sysfs_remove_group(&pdev->dev.kobj, &sis5595_group);
642 sysfs_remove_group(&new_client->dev.kobj, &sis5595_group_opt); 599 sysfs_remove_group(&pdev->dev.kobj, &sis5595_group_opt);
643exit_detach:
644 i2c_detach_client(new_client);
645exit_free: 600exit_free:
646 kfree(data); 601 kfree(data);
647exit_release: 602exit_release:
648 release_region(address, SIS5595_EXTENT); 603 release_region(res->start, SIS5595_EXTENT);
649exit: 604exit:
650 return err; 605 return err;
651} 606}
652 607
653static int sis5595_detach_client(struct i2c_client *client) 608static int __devexit sis5595_remove(struct platform_device *pdev)
654{ 609{
655 struct sis5595_data *data = i2c_get_clientdata(client); 610 struct sis5595_data *data = platform_get_drvdata(pdev);
656 int err;
657 611
658 hwmon_device_unregister(data->class_dev); 612 hwmon_device_unregister(data->class_dev);
659 sysfs_remove_group(&client->dev.kobj, &sis5595_group); 613 sysfs_remove_group(&pdev->dev.kobj, &sis5595_group);
660 sysfs_remove_group(&client->dev.kobj, &sis5595_group_opt); 614 sysfs_remove_group(&pdev->dev.kobj, &sis5595_group_opt);
661
662 if ((err = i2c_detach_client(client)))
663 return err;
664
665 release_region(client->addr, SIS5595_EXTENT);
666 615
616 release_region(data->addr, SIS5595_EXTENT);
617 platform_set_drvdata(pdev, NULL);
667 kfree(data); 618 kfree(data);
668 619
669 return 0; 620 return 0;
@@ -671,41 +622,37 @@ static int sis5595_detach_client(struct i2c_client *client)
671 622
672 623
673/* ISA access must be locked explicitly. */ 624/* ISA access must be locked explicitly. */
674static int sis5595_read_value(struct i2c_client *client, u8 reg) 625static int sis5595_read_value(struct sis5595_data *data, u8 reg)
675{ 626{
676 int res; 627 int res;
677 628
678 struct sis5595_data *data = i2c_get_clientdata(client);
679 mutex_lock(&data->lock); 629 mutex_lock(&data->lock);
680 outb_p(reg, client->addr + SIS5595_ADDR_REG_OFFSET); 630 outb_p(reg, data->addr + SIS5595_ADDR_REG_OFFSET);
681 res = inb_p(client->addr + SIS5595_DATA_REG_OFFSET); 631 res = inb_p(data->addr + SIS5595_DATA_REG_OFFSET);
682 mutex_unlock(&data->lock); 632 mutex_unlock(&data->lock);
683 return res; 633 return res;
684} 634}
685 635
686static int sis5595_write_value(struct i2c_client *client, u8 reg, u8 value) 636static void sis5595_write_value(struct sis5595_data *data, u8 reg, u8 value)
687{ 637{
688 struct sis5595_data *data = i2c_get_clientdata(client);
689 mutex_lock(&data->lock); 638 mutex_lock(&data->lock);
690 outb_p(reg, client->addr + SIS5595_ADDR_REG_OFFSET); 639 outb_p(reg, data->addr + SIS5595_ADDR_REG_OFFSET);
691 outb_p(value, client->addr + SIS5595_DATA_REG_OFFSET); 640 outb_p(value, data->addr + SIS5595_DATA_REG_OFFSET);
692 mutex_unlock(&data->lock); 641 mutex_unlock(&data->lock);
693 return 0;
694} 642}
695 643
696/* Called when we have found a new SIS5595. */ 644/* Called when we have found a new SIS5595. */
697static void sis5595_init_client(struct i2c_client *client) 645static void __devinit sis5595_init_device(struct sis5595_data *data)
698{ 646{
699 u8 config = sis5595_read_value(client, SIS5595_REG_CONFIG); 647 u8 config = sis5595_read_value(data, SIS5595_REG_CONFIG);
700 if (!(config & 0x01)) 648 if (!(config & 0x01))
701 sis5595_write_value(client, SIS5595_REG_CONFIG, 649 sis5595_write_value(data, SIS5595_REG_CONFIG,
702 (config & 0xf7) | 0x01); 650 (config & 0xf7) | 0x01);
703} 651}
704 652
705static struct sis5595_data *sis5595_update_device(struct device *dev) 653static struct sis5595_data *sis5595_update_device(struct device *dev)
706{ 654{
707 struct i2c_client *client = to_i2c_client(dev); 655 struct sis5595_data *data = dev_get_drvdata(dev);
708 struct sis5595_data *data = i2c_get_clientdata(client);
709 int i; 656 int i;
710 657
711 mutex_lock(&data->update_lock); 658 mutex_lock(&data->update_lock);
@@ -715,35 +662,35 @@ static struct sis5595_data *sis5595_update_device(struct device *dev)
715 662
716 for (i = 0; i <= data->maxins; i++) { 663 for (i = 0; i <= data->maxins; i++) {
717 data->in[i] = 664 data->in[i] =
718 sis5595_read_value(client, SIS5595_REG_IN(i)); 665 sis5595_read_value(data, SIS5595_REG_IN(i));
719 data->in_min[i] = 666 data->in_min[i] =
720 sis5595_read_value(client, 667 sis5595_read_value(data,
721 SIS5595_REG_IN_MIN(i)); 668 SIS5595_REG_IN_MIN(i));
722 data->in_max[i] = 669 data->in_max[i] =
723 sis5595_read_value(client, 670 sis5595_read_value(data,
724 SIS5595_REG_IN_MAX(i)); 671 SIS5595_REG_IN_MAX(i));
725 } 672 }
726 for (i = 0; i < 2; i++) { 673 for (i = 0; i < 2; i++) {
727 data->fan[i] = 674 data->fan[i] =
728 sis5595_read_value(client, SIS5595_REG_FAN(i)); 675 sis5595_read_value(data, SIS5595_REG_FAN(i));
729 data->fan_min[i] = 676 data->fan_min[i] =
730 sis5595_read_value(client, 677 sis5595_read_value(data,
731 SIS5595_REG_FAN_MIN(i)); 678 SIS5595_REG_FAN_MIN(i));
732 } 679 }
733 if (data->maxins == 3) { 680 if (data->maxins == 3) {
734 data->temp = 681 data->temp =
735 sis5595_read_value(client, SIS5595_REG_TEMP); 682 sis5595_read_value(data, SIS5595_REG_TEMP);
736 data->temp_over = 683 data->temp_over =
737 sis5595_read_value(client, SIS5595_REG_TEMP_OVER); 684 sis5595_read_value(data, SIS5595_REG_TEMP_OVER);
738 data->temp_hyst = 685 data->temp_hyst =
739 sis5595_read_value(client, SIS5595_REG_TEMP_HYST); 686 sis5595_read_value(data, SIS5595_REG_TEMP_HYST);
740 } 687 }
741 i = sis5595_read_value(client, SIS5595_REG_FANDIV); 688 i = sis5595_read_value(data, SIS5595_REG_FANDIV);
742 data->fan_div[0] = (i >> 4) & 0x03; 689 data->fan_div[0] = (i >> 4) & 0x03;
743 data->fan_div[1] = i >> 6; 690 data->fan_div[1] = i >> 6;
744 data->alarms = 691 data->alarms =
745 sis5595_read_value(client, SIS5595_REG_ALARM1) | 692 sis5595_read_value(data, SIS5595_REG_ALARM1) |
746 (sis5595_read_value(client, SIS5595_REG_ALARM2) << 8); 693 (sis5595_read_value(data, SIS5595_REG_ALARM2) << 8);
747 data->last_updated = jiffies; 694 data->last_updated = jiffies;
748 data->valid = 1; 695 data->valid = 1;
749 } 696 }
@@ -774,10 +721,50 @@ static int blacklist[] __devinitdata = {
774 PCI_DEVICE_ID_SI_5598, 721 PCI_DEVICE_ID_SI_5598,
775 0 }; 722 0 };
776 723
724static int __devinit sis5595_device_add(unsigned short address)
725{
726 struct resource res = {
727 .start = address,
728 .end = address + SIS5595_EXTENT - 1,
729 .name = "sis5595",
730 .flags = IORESOURCE_IO,
731 };
732 int err;
733
734 pdev = platform_device_alloc("sis5595", address);
735 if (!pdev) {
736 err = -ENOMEM;
737 printk(KERN_ERR "sis5595: Device allocation failed\n");
738 goto exit;
739 }
740
741 err = platform_device_add_resources(pdev, &res, 1);
742 if (err) {
743 printk(KERN_ERR "sis5595: Device resource addition failed "
744 "(%d)\n", err);
745 goto exit_device_put;
746 }
747
748 err = platform_device_add(pdev);
749 if (err) {
750 printk(KERN_ERR "sis5595: Device addition failed (%d)\n",
751 err);
752 goto exit_device_put;
753 }
754
755 return 0;
756
757exit_device_put:
758 platform_device_put(pdev);
759exit:
760 return err;
761}
762
777static int __devinit sis5595_pci_probe(struct pci_dev *dev, 763static int __devinit sis5595_pci_probe(struct pci_dev *dev,
778 const struct pci_device_id *id) 764 const struct pci_device_id *id)
779{ 765{
780 u16 val; 766 u16 address;
767 u8 enable;
781 int *i; 768 int *i;
782 769
783 for (i = blacklist; *i != 0; i++) { 770 for (i = blacklist; *i != 0; i++) {
@@ -790,27 +777,68 @@ static int __devinit sis5595_pci_probe(struct pci_dev *dev,
790 } 777 }
791 } 778 }
792 779
780 force_addr &= ~(SIS5595_EXTENT - 1);
781 if (force_addr) {
782 dev_warn(&dev->dev, "Forcing ISA address 0x%x\n", force_addr);
783 pci_write_config_word(dev, SIS5595_BASE_REG, force_addr);
784 }
785
793 if (PCIBIOS_SUCCESSFUL != 786 if (PCIBIOS_SUCCESSFUL !=
794 pci_read_config_word(dev, SIS5595_BASE_REG, &val)) 787 pci_read_config_word(dev, SIS5595_BASE_REG, &address)) {
788 dev_err(&dev->dev, "Failed to read ISA address\n");
795 return -ENODEV; 789 return -ENODEV;
790 }
796 791
797 address = val & ~(SIS5595_EXTENT - 1); 792 address &= ~(SIS5595_EXTENT - 1);
798 if (address == 0 && force_addr == 0) { 793 if (!address) {
799 dev_err(&dev->dev, "Base address not set - upgrade BIOS or use force_addr=0xaddr\n"); 794 dev_err(&dev->dev, "Base address not set - upgrade BIOS or use force_addr=0xaddr\n");
800 return -ENODEV; 795 return -ENODEV;
801 } 796 }
797 if (force_addr && address != force_addr) {
798 /* doesn't work for some chips? */
799 dev_err(&dev->dev, "Failed to force ISA address\n");
800 return -ENODEV;
801 }
802 802
803 s_bridge = pci_dev_get(dev); 803 if (PCIBIOS_SUCCESSFUL !=
804 if (i2c_isa_add_driver(&sis5595_driver)) { 804 pci_read_config_byte(dev, SIS5595_ENABLE_REG, &enable)) {
805 pci_dev_put(s_bridge); 805 dev_err(&dev->dev, "Failed to read enable register\n");
806 s_bridge = NULL; 806 return -ENODEV;
807 }
808 if (!(enable & 0x80)) {
809 if ((PCIBIOS_SUCCESSFUL !=
810 pci_write_config_byte(dev, SIS5595_ENABLE_REG,
811 enable | 0x80))
812 || (PCIBIOS_SUCCESSFUL !=
813 pci_read_config_byte(dev, SIS5595_ENABLE_REG, &enable))
814 || (!(enable & 0x80))) {
815 /* doesn't work for some chips! */
816 dev_err(&dev->dev, "Failed to enable HWM device\n");
817 return -ENODEV;
818 }
807 } 819 }
808 820
821 if (platform_driver_register(&sis5595_driver)) {
822 dev_dbg(&dev->dev, "Failed to register sis5595 driver\n");
823 goto exit;
824 }
825
826 s_bridge = pci_dev_get(dev);
827 /* Sets global pdev as a side effect */
828 if (sis5595_device_add(address))
829 goto exit_unregister;
830
809 /* Always return failure here. This is to allow other drivers to bind 831 /* Always return failure here. This is to allow other drivers to bind
810 * to this pci device. We don't really want to have control over the 832 * to this pci device. We don't really want to have control over the
811 * pci device, we only wanted to read as few register values from it. 833 * pci device, we only wanted to read as few register values from it.
812 */ 834 */
813 return -ENODEV; 835 return -ENODEV;
836
837exit_unregister:
838 pci_dev_put(dev);
839 platform_driver_unregister(&sis5595_driver);
840exit:
841 return -ENODEV;
814} 842}
815 843
816static struct pci_driver sis5595_pci_driver = { 844static struct pci_driver sis5595_pci_driver = {
@@ -828,7 +856,8 @@ static void __exit sm_sis5595_exit(void)
828{ 856{
829 pci_unregister_driver(&sis5595_pci_driver); 857 pci_unregister_driver(&sis5595_pci_driver);
830 if (s_bridge != NULL) { 858 if (s_bridge != NULL) {
831 i2c_isa_del_driver(&sis5595_driver); 859 platform_device_unregister(pdev);
860 platform_driver_unregister(&sis5595_driver);
832 pci_dev_put(s_bridge); 861 pci_dev_put(s_bridge);
833 s_bridge = NULL; 862 s_bridge = NULL;
834 } 863 }
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-14 04:24:22 -0500