/*
Supports:
Intel PIIX4, 440MX
- Serverworks OSB4, CSB5, CSB6
+ Serverworks OSB4, CSB5, CSB6, HT-1000
SMSC Victory66
Note: we assume there can only be one device, with one SMBus interface.
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
-#include <linux/config.h>
#include <linux/pci.h>
#include <linux/kernel.h>
+#include <linux/delay.h>
#include <linux/stddef.h>
#include <linux/sched.h>
#include <linux/ioport.h>
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/apm_bios.h>
+#include <linux/dmi.h>
#include <asm/io.h>
/* If force is set to anything different from 0, we forcibly enable the
PIIX4. DANGEROUS! */
-static int force = 0;
+static int force;
module_param (force, int, 0);
MODULE_PARM_DESC(force, "Forcibly enable the PIIX4. DANGEROUS!");
/* If force_addr is set to anything different from 0, we forcibly enable
the PIIX4 at the given address. VERY DANGEROUS! */
-static int force_addr = 0;
+static int force_addr;
module_param (force_addr, int, 0);
MODULE_PARM_DESC(force_addr,
"Forcibly enable the PIIX4 at the given address. "
/* If fix_hstcfg is set to anything different from 0, we reset one of the
registers to be a valid value. */
-static int fix_hstcfg = 0;
+static int fix_hstcfg;
module_param (fix_hstcfg, int, 0);
MODULE_PARM_DESC(fix_hstcfg,
"Fix config register. Needed on some boards (Force CPCI735).");
static int piix4_transaction(void);
-static unsigned short piix4_smba = 0;
+static unsigned short piix4_smba;
+static struct pci_driver piix4_driver;
static struct i2c_adapter piix4_adapter;
-/*
- * Get DMI information.
- */
-static int __devinit ibm_dmi_probe(void)
-{
-#ifdef CONFIG_X86
- extern int is_unsafe_smbus;
- return is_unsafe_smbus;
-#else
- return 0;
-#endif
-}
+static struct dmi_system_id __devinitdata piix4_dmi_table[] = {
+ {
+ .ident = "IBM",
+ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "IBM"), },
+ },
+ { },
+};
static int __devinit piix4_setup(struct pci_dev *PIIX4_dev,
const struct pci_device_id *id)
dev_info(&PIIX4_dev->dev, "Found %s device\n", pci_name(PIIX4_dev));
- if(ibm_dmi_probe()) {
+ /* Don't access SMBus on IBM systems which get corrupted eeproms */
+ if (dmi_check_system(piix4_dmi_table) &&
+ PIIX4_dev->vendor == PCI_VENDOR_ID_INTEL) {
dev_err(&PIIX4_dev->dev, "IBM Laptop detected; this module "
"may corrupt your serial eeprom! Refusing to load "
"module!\n");
}
}
- if (!request_region(piix4_smba, SMBIOSIZE, "piix4-smbus")) {
+ if (!request_region(piix4_smba, SMBIOSIZE, piix4_driver.name)) {
dev_err(&PIIX4_dev->dev, "SMB region 0x%x already in use!\n",
piix4_smba);
return -ENODEV;
/* Make sure the SMBus host is ready to start transmitting */
if ((temp = inb_p(SMBHSTSTS)) != 0x00) {
dev_dbg(&piix4_adapter.dev, "SMBus busy (%02x). "
- "Resetting... \n", temp);
+ "Resetting...\n", temp);
outb_p(temp, SMBHSTSTS);
if ((temp = inb_p(SMBHSTSTS)) != 0x00) {
dev_err(&piix4_adapter.dev, "Failed! (%02x)\n", temp);
/* We will always wait for a fraction of a second! (See PIIX4 docs errata) */
do {
- i2c_delay(1);
+ msleep(1);
temp = inb_p(SMBHSTSTS);
} while ((temp & 0x01) && (timeout++ < MAX_TIMEOUT));
}
static struct i2c_algorithm smbus_algorithm = {
- .name = "Non-I2C SMBus adapter",
- .id = I2C_ALGO_SMBUS,
.smbus_xfer = piix4_access,
.functionality = piix4_func,
};
static struct i2c_adapter piix4_adapter = {
.owner = THIS_MODULE,
- .class = I2C_ADAP_CLASS_SMBUS,
+ .class = I2C_CLASS_HWMON,
.algo = &smbus_algorithm,
- .name = "unset",
};
static struct pci_device_id piix4_ids[] = {
- {
- .vendor = PCI_VENDOR_ID_INTEL,
- .device = PCI_DEVICE_ID_INTEL_82371AB_3,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- .driver_data = 3
- },
- {
- .vendor = PCI_VENDOR_ID_SERVERWORKS,
- .device = PCI_DEVICE_ID_SERVERWORKS_OSB4,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- .driver_data = 0,
- },
- {
- .vendor = PCI_VENDOR_ID_SERVERWORKS,
- .device = PCI_DEVICE_ID_SERVERWORKS_CSB5,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- .driver_data = 0,
- },
- {
- .vendor = PCI_VENDOR_ID_SERVERWORKS,
- .device = PCI_DEVICE_ID_SERVERWORKS_CSB6,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- .driver_data = 0,
- },
- {
- .vendor = PCI_VENDOR_ID_INTEL,
- .device = PCI_DEVICE_ID_INTEL_82443MX_3,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- .driver_data = 3,
- },
- {
- .vendor = PCI_VENDOR_ID_EFAR,
- .device = PCI_DEVICE_ID_EFAR_SLC90E66_3,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- .driver_data = 0,
- },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_3),
+ .driver_data = 3 },
+ { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4),
+ .driver_data = 0 },
+ { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5),
+ .driver_data = 0 },
+ { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6),
+ .driver_data = 0 },
+ { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT1000SB),
+ .driver_data = 0 },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82443MX_3),
+ .driver_data = 3 },
+ { PCI_DEVICE(PCI_VENDOR_ID_EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_3),
+ .driver_data = 0 },
{ 0, }
};
+MODULE_DEVICE_TABLE (pci, piix4_ids);
+
static int __devinit piix4_probe(struct pci_dev *dev,
const struct pci_device_id *id)
{
}
static struct pci_driver piix4_driver = {
- .name = "piix4-smbus",
+ .name = "piix4_smbus",
.id_table = piix4_ids,
.probe = piix4_probe,
.remove = __devexit_p(piix4_remove),
static int __init i2c_piix4_init(void)
{
- return pci_module_init(&piix4_driver);
+ return pci_register_driver(&piix4_driver);
}
static void __exit i2c_piix4_exit(void)
git://git.onelab.eu / linux-2.6.git / blobdiff