2005-04-16 16:20:36 -06:00
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/*
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sis5595.c - Part of lm_sensors, Linux kernel modules
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for hardware monitoring
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Copyright (C) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>,
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Ky<EFBFBD>sti M<EFBFBD>lkki <kmalkki@cc.hut.fi>, and
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Mark D. Studebaker <mdsxyz123@yahoo.com>
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Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with
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the help of Jean Delvare <khali@linux-fr.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*
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SiS southbridge has a LM78-like chip integrated on the same IC.
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This driver is a customized copy of lm78.c
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Supports following revisions:
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Version PCI ID PCI Revision
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1 1039/0008 AF or less
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2 1039/0008 B0 or greater
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Note: these chips contain a 0008 device which is incompatible with the
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5595. We recognize these by the presence of the listed
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"blacklist" PCI ID and refuse to load.
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NOT SUPPORTED PCI ID BLACKLIST PCI ID
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540 0008 0540
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550 0008 0550
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5513 0008 5511
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5581 0008 5597
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5582 0008 5597
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5597 0008 5597
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5598 0008 5597/5598
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630 0008 0630
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645 0008 0645
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730 0008 0730
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735 0008 0735
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*/
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/ioport.h>
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#include <linux/pci.h>
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#include <linux/i2c.h>
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#include <linux/i2c-sensor.h>
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#include <linux/init.h>
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2005-05-16 10:12:18 -06:00
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#include <linux/jiffies.h>
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2005-04-16 16:20:36 -06:00
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#include <asm/io.h>
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/* If force_addr is set to anything different from 0, we forcibly enable
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the device at the given address. */
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static u16 force_addr;
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module_param(force_addr, ushort, 0);
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MODULE_PARM_DESC(force_addr,
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"Initialize the base address of the sensors");
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/* Addresses to scan.
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Note that we can't determine the ISA address until we have initialized
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our module */
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static unsigned short normal_i2c[] = { I2C_CLIENT_END };
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static unsigned int normal_isa[] = { 0x0000, I2C_CLIENT_ISA_END };
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/* Insmod parameters */
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SENSORS_INSMOD_1(sis5595);
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/* Many SIS5595 constants specified below */
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/* Length of ISA address segment */
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#define SIS5595_EXTENT 8
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/* PCI Config Registers */
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#define SIS5595_REVISION_REG 0x08
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#define SIS5595_BASE_REG 0x68
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#define SIS5595_PIN_REG 0x7A
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#define SIS5595_ENABLE_REG 0x7B
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/* Where are the ISA address/data registers relative to the base address */
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#define SIS5595_ADDR_REG_OFFSET 5
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#define SIS5595_DATA_REG_OFFSET 6
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/* The SIS5595 registers */
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#define SIS5595_REG_IN_MAX(nr) (0x2b + (nr) * 2)
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#define SIS5595_REG_IN_MIN(nr) (0x2c + (nr) * 2)
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#define SIS5595_REG_IN(nr) (0x20 + (nr))
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#define SIS5595_REG_FAN_MIN(nr) (0x3b + (nr))
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#define SIS5595_REG_FAN(nr) (0x28 + (nr))
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/* On the first version of the chip, the temp registers are separate.
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On the second version,
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TEMP pin is shared with IN4, configured in PCI register 0x7A.
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The registers are the same as well.
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OVER and HYST are really MAX and MIN. */
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#define REV2MIN 0xb0
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#define SIS5595_REG_TEMP (( data->revision) >= REV2MIN) ? \
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SIS5595_REG_IN(4) : 0x27
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#define SIS5595_REG_TEMP_OVER (( data->revision) >= REV2MIN) ? \
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SIS5595_REG_IN_MAX(4) : 0x39
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#define SIS5595_REG_TEMP_HYST (( data->revision) >= REV2MIN) ? \
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SIS5595_REG_IN_MIN(4) : 0x3a
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#define SIS5595_REG_CONFIG 0x40
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#define SIS5595_REG_ALARM1 0x41
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#define SIS5595_REG_ALARM2 0x42
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#define SIS5595_REG_FANDIV 0x47
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/* Conversions. Limit checking is only done on the TO_REG
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variants. */
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/* IN: mV, (0V to 4.08V)
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REG: 16mV/bit */
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static inline u8 IN_TO_REG(unsigned long val)
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{
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unsigned long nval = SENSORS_LIMIT(val, 0, 4080);
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return (nval + 8) / 16;
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}
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#define IN_FROM_REG(val) ((val) * 16)
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static inline u8 FAN_TO_REG(long rpm, int div)
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{
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if (rpm <= 0)
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return 255;
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return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
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}
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static inline int FAN_FROM_REG(u8 val, int div)
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{
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return val==0 ? -1 : val==255 ? 0 : 1350000/(val*div);
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}
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/* TEMP: mC (-54.12C to +157.53C)
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REG: 0.83C/bit + 52.12, two's complement */
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static inline int TEMP_FROM_REG(s8 val)
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{
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return val * 830 + 52120;
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}
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static inline s8 TEMP_TO_REG(int val)
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{
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int nval = SENSORS_LIMIT(val, -54120, 157530) ;
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return nval<0 ? (nval-5212-415)/830 : (nval-5212+415)/830;
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}
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/* FAN DIV: 1, 2, 4, or 8 (defaults to 2)
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REG: 0, 1, 2, or 3 (respectively) (defaults to 1) */
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static inline u8 DIV_TO_REG(int val)
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{
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return val==8 ? 3 : val==4 ? 2 : val==1 ? 0 : 1;
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}
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#define DIV_FROM_REG(val) (1 << (val))
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/* For the SIS5595, we need to keep some data in memory. That
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data is pointed to by sis5595_list[NR]->data. The structure itself is
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dynamically allocated, at the time when the new sis5595 client is
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allocated. */
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struct sis5595_data {
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struct i2c_client client;
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struct semaphore lock;
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struct semaphore update_lock;
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char valid; /* !=0 if following fields are valid */
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unsigned long last_updated; /* In jiffies */
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char maxins; /* == 3 if temp enabled, otherwise == 4 */
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u8 revision; /* Reg. value */
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u8 in[5]; /* Register value */
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u8 in_max[5]; /* Register value */
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u8 in_min[5]; /* Register value */
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u8 fan[2]; /* Register value */
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u8 fan_min[2]; /* Register value */
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s8 temp; /* Register value */
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s8 temp_over; /* Register value */
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s8 temp_hyst; /* Register value */
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u8 fan_div[2]; /* Register encoding, shifted right */
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u16 alarms; /* Register encoding, combined */
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};
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static struct pci_dev *s_bridge; /* pointer to the (only) sis5595 */
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static int sis5595_attach_adapter(struct i2c_adapter *adapter);
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static int sis5595_detect(struct i2c_adapter *adapter, int address, int kind);
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static int sis5595_detach_client(struct i2c_client *client);
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static int sis5595_read_value(struct i2c_client *client, u8 register);
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static int sis5595_write_value(struct i2c_client *client, u8 register, u8 value);
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static struct sis5595_data *sis5595_update_device(struct device *dev);
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static void sis5595_init_client(struct i2c_client *client);
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static struct i2c_driver sis5595_driver = {
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.owner = THIS_MODULE,
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.name = "sis5595",
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.id = I2C_DRIVERID_SIS5595,
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.flags = I2C_DF_NOTIFY,
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.attach_adapter = sis5595_attach_adapter,
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.detach_client = sis5595_detach_client,
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};
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/* 4 Voltages */
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static ssize_t show_in(struct device *dev, char *buf, int nr)
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{
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struct sis5595_data *data = sis5595_update_device(dev);
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return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr]));
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}
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static ssize_t show_in_min(struct device *dev, char *buf, int nr)
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{
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struct sis5595_data *data = sis5595_update_device(dev);
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return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[nr]));
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}
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static ssize_t show_in_max(struct device *dev, char *buf, int nr)
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{
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struct sis5595_data *data = sis5595_update_device(dev);
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return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[nr]));
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}
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static ssize_t set_in_min(struct device *dev, const char *buf,
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size_t count, int nr)
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{
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struct i2c_client *client = to_i2c_client(dev);
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struct sis5595_data *data = i2c_get_clientdata(client);
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unsigned long val = simple_strtoul(buf, NULL, 10);
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down(&data->update_lock);
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data->in_min[nr] = IN_TO_REG(val);
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sis5595_write_value(client, SIS5595_REG_IN_MIN(nr), data->in_min[nr]);
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up(&data->update_lock);
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return count;
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}
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static ssize_t set_in_max(struct device *dev, const char *buf,
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size_t count, int nr)
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{
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struct i2c_client *client = to_i2c_client(dev);
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struct sis5595_data *data = i2c_get_clientdata(client);
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unsigned long val = simple_strtoul(buf, NULL, 10);
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down(&data->update_lock);
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data->in_max[nr] = IN_TO_REG(val);
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sis5595_write_value(client, SIS5595_REG_IN_MAX(nr), data->in_max[nr]);
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up(&data->update_lock);
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return count;
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}
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#define show_in_offset(offset) \
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static ssize_t \
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show_in##offset (struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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return show_in(dev, buf, offset); \
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} \
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static DEVICE_ATTR(in##offset##_input, S_IRUGO, \
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show_in##offset, NULL); \
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static ssize_t \
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show_in##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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return show_in_min(dev, buf, offset); \
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} \
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static ssize_t \
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show_in##offset##_max (struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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return show_in_max(dev, buf, offset); \
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} \
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static ssize_t set_in##offset##_min (struct device *dev, struct device_attribute *attr, \
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const char *buf, size_t count) \
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{ \
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return set_in_min(dev, buf, count, offset); \
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} \
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static ssize_t set_in##offset##_max (struct device *dev, struct device_attribute *attr, \
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const char *buf, size_t count) \
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{ \
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return set_in_max(dev, buf, count, offset); \
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} \
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static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
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show_in##offset##_min, set_in##offset##_min); \
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static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
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show_in##offset##_max, set_in##offset##_max);
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show_in_offset(0);
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show_in_offset(1);
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show_in_offset(2);
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show_in_offset(3);
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|
|
show_in_offset(4);
|
|
|
|
|
|
|
|
|
|
/* Temperature */
|
2005-05-17 04:42:25 -06:00
|
|
|
|
static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char *buf)
|
2005-04-16 16:20:36 -06:00
|
|
|
|
{
|
|
|
|
|
struct sis5595_data *data = sis5595_update_device(dev);
|
|
|
|
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp));
|
|
|
|
|
}
|
|
|
|
|
|
2005-05-17 04:42:25 -06:00
|
|
|
|
static ssize_t show_temp_over(struct device *dev, struct device_attribute *attr, char *buf)
|
2005-04-16 16:20:36 -06:00
|
|
|
|
{
|
|
|
|
|
struct sis5595_data *data = sis5595_update_device(dev);
|
|
|
|
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_over));
|
|
|
|
|
}
|
|
|
|
|
|
2005-05-17 04:42:25 -06:00
|
|
|
|
static ssize_t set_temp_over(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
|
2005-04-16 16:20:36 -06:00
|
|
|
|
{
|
|
|
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
|
|
|
struct sis5595_data *data = i2c_get_clientdata(client);
|
|
|
|
|
long val = simple_strtol(buf, NULL, 10);
|
|
|
|
|
|
|
|
|
|
down(&data->update_lock);
|
|
|
|
|
data->temp_over = TEMP_TO_REG(val);
|
|
|
|
|
sis5595_write_value(client, SIS5595_REG_TEMP_OVER, data->temp_over);
|
|
|
|
|
up(&data->update_lock);
|
|
|
|
|
return count;
|
|
|
|
|
}
|
|
|
|
|
|
2005-05-17 04:42:25 -06:00
|
|
|
|
static ssize_t show_temp_hyst(struct device *dev, struct device_attribute *attr, char *buf)
|
2005-04-16 16:20:36 -06:00
|
|
|
|
{
|
|
|
|
|
struct sis5595_data *data = sis5595_update_device(dev);
|
|
|
|
|
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_hyst));
|
|
|
|
|
}
|
|
|
|
|
|
2005-05-17 04:42:25 -06:00
|
|
|
|
static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
|
2005-04-16 16:20:36 -06:00
|
|
|
|
{
|
|
|
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
|
|
|
struct sis5595_data *data = i2c_get_clientdata(client);
|
|
|
|
|
long val = simple_strtol(buf, NULL, 10);
|
|
|
|
|
|
|
|
|
|
down(&data->update_lock);
|
|
|
|
|
data->temp_hyst = TEMP_TO_REG(val);
|
|
|
|
|
sis5595_write_value(client, SIS5595_REG_TEMP_HYST, data->temp_hyst);
|
|
|
|
|
up(&data->update_lock);
|
|
|
|
|
return count;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL);
|
|
|
|
|
static DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR,
|
|
|
|
|
show_temp_over, set_temp_over);
|
|
|
|
|
static DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR,
|
|
|
|
|
show_temp_hyst, set_temp_hyst);
|
|
|
|
|
|
|
|
|
|
/* 2 Fans */
|
|
|
|
|
static ssize_t show_fan(struct device *dev, char *buf, int nr)
|
|
|
|
|
{
|
|
|
|
|
struct sis5595_data *data = sis5595_update_device(dev);
|
|
|
|
|
return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
|
|
|
|
|
DIV_FROM_REG(data->fan_div[nr])) );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static ssize_t show_fan_min(struct device *dev, char *buf, int nr)
|
|
|
|
|
{
|
|
|
|
|
struct sis5595_data *data = sis5595_update_device(dev);
|
|
|
|
|
return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr],
|
|
|
|
|
DIV_FROM_REG(data->fan_div[nr])) );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static ssize_t set_fan_min(struct device *dev, const char *buf,
|
|
|
|
|
size_t count, int nr)
|
|
|
|
|
{
|
|
|
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
|
|
|
struct sis5595_data *data = i2c_get_clientdata(client);
|
|
|
|
|
unsigned long val = simple_strtoul(buf, NULL, 10);
|
|
|
|
|
|
|
|
|
|
down(&data->update_lock);
|
|
|
|
|
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
|
|
|
|
|
sis5595_write_value(client, SIS5595_REG_FAN_MIN(nr), data->fan_min[nr]);
|
|
|
|
|
up(&data->update_lock);
|
|
|
|
|
return count;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static ssize_t show_fan_div(struct device *dev, char *buf, int nr)
|
|
|
|
|
{
|
|
|
|
|
struct sis5595_data *data = sis5595_update_device(dev);
|
|
|
|
|
return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]) );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Note: we save and restore the fan minimum here, because its value is
|
|
|
|
|
determined in part by the fan divisor. This follows the principle of
|
|
|
|
|
least suprise; the user doesn't expect the fan minimum to change just
|
|
|
|
|
because the divisor changed. */
|
|
|
|
|
static ssize_t set_fan_div(struct device *dev, const char *buf,
|
|
|
|
|
size_t count, int nr)
|
|
|
|
|
{
|
|
|
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
|
|
|
struct sis5595_data *data = i2c_get_clientdata(client);
|
|
|
|
|
unsigned long min;
|
|
|
|
|
unsigned long val = simple_strtoul(buf, NULL, 10);
|
|
|
|
|
int reg;
|
|
|
|
|
|
|
|
|
|
down(&data->update_lock);
|
|
|
|
|
min = FAN_FROM_REG(data->fan_min[nr],
|
|
|
|
|
DIV_FROM_REG(data->fan_div[nr]));
|
|
|
|
|
reg = sis5595_read_value(client, SIS5595_REG_FANDIV);
|
|
|
|
|
|
|
|
|
|
switch (val) {
|
|
|
|
|
case 1: data->fan_div[nr] = 0; break;
|
|
|
|
|
case 2: data->fan_div[nr] = 1; break;
|
|
|
|
|
case 4: data->fan_div[nr] = 2; break;
|
|
|
|
|
case 8: data->fan_div[nr] = 3; break;
|
|
|
|
|
default:
|
|
|
|
|
dev_err(&client->dev, "fan_div value %ld not "
|
|
|
|
|
"supported. Choose one of 1, 2, 4 or 8!\n", val);
|
|
|
|
|
up(&data->update_lock);
|
|
|
|
|
return -EINVAL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
switch (nr) {
|
|
|
|
|
case 0:
|
|
|
|
|
reg = (reg & 0xcf) | (data->fan_div[nr] << 4);
|
|
|
|
|
break;
|
|
|
|
|
case 1:
|
|
|
|
|
reg = (reg & 0x3f) | (data->fan_div[nr] << 6);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
sis5595_write_value(client, SIS5595_REG_FANDIV, reg);
|
|
|
|
|
data->fan_min[nr] =
|
|
|
|
|
FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
|
|
|
|
|
sis5595_write_value(client, SIS5595_REG_FAN_MIN(nr), data->fan_min[nr]);
|
|
|
|
|
up(&data->update_lock);
|
|
|
|
|
return count;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#define show_fan_offset(offset) \
|
2005-05-17 04:42:25 -06:00
|
|
|
|
static ssize_t show_fan_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
|
2005-04-16 16:20:36 -06:00
|
|
|
|
{ \
|
|
|
|
|
return show_fan(dev, buf, offset - 1); \
|
|
|
|
|
} \
|
2005-05-17 04:42:25 -06:00
|
|
|
|
static ssize_t show_fan_##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \
|
2005-04-16 16:20:36 -06:00
|
|
|
|
{ \
|
|
|
|
|
return show_fan_min(dev, buf, offset - 1); \
|
|
|
|
|
} \
|
2005-05-17 04:42:25 -06:00
|
|
|
|
static ssize_t show_fan_##offset##_div (struct device *dev, struct device_attribute *attr, char *buf) \
|
2005-04-16 16:20:36 -06:00
|
|
|
|
{ \
|
|
|
|
|
return show_fan_div(dev, buf, offset - 1); \
|
|
|
|
|
} \
|
2005-05-17 04:42:25 -06:00
|
|
|
|
static ssize_t set_fan_##offset##_min (struct device *dev, struct device_attribute *attr, \
|
2005-04-16 16:20:36 -06:00
|
|
|
|
const char *buf, size_t count) \
|
|
|
|
|
{ \
|
|
|
|
|
return set_fan_min(dev, buf, count, offset - 1); \
|
|
|
|
|
} \
|
|
|
|
|
static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan_##offset, NULL);\
|
|
|
|
|
static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
|
|
|
|
|
show_fan_##offset##_min, set_fan_##offset##_min);
|
|
|
|
|
|
|
|
|
|
show_fan_offset(1);
|
|
|
|
|
show_fan_offset(2);
|
|
|
|
|
|
2005-05-17 04:42:25 -06:00
|
|
|
|
static ssize_t set_fan_1_div(struct device *dev, struct device_attribute *attr, const char *buf,
|
2005-04-16 16:20:36 -06:00
|
|
|
|
size_t count)
|
|
|
|
|
{
|
|
|
|
|
return set_fan_div(dev, buf, count, 0) ;
|
|
|
|
|
}
|
|
|
|
|
|
2005-05-17 04:42:25 -06:00
|
|
|
|
static ssize_t set_fan_2_div(struct device *dev, struct device_attribute *attr, const char *buf,
|
2005-04-16 16:20:36 -06:00
|
|
|
|
size_t count)
|
|
|
|
|
{
|
|
|
|
|
return set_fan_div(dev, buf, count, 1) ;
|
|
|
|
|
}
|
|
|
|
|
static DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR,
|
|
|
|
|
show_fan_1_div, set_fan_1_div);
|
|
|
|
|
static DEVICE_ATTR(fan2_div, S_IRUGO | S_IWUSR,
|
|
|
|
|
show_fan_2_div, set_fan_2_div);
|
|
|
|
|
|
|
|
|
|
/* Alarms */
|
2005-05-17 04:42:25 -06:00
|
|
|
|
static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
|
2005-04-16 16:20:36 -06:00
|
|
|
|
{
|
|
|
|
|
struct sis5595_data *data = sis5595_update_device(dev);
|
|
|
|
|
return sprintf(buf, "%d\n", data->alarms);
|
|
|
|
|
}
|
|
|
|
|
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
|
|
|
|
|
|
|
|
|
|
/* This is called when the module is loaded */
|
|
|
|
|
static int sis5595_attach_adapter(struct i2c_adapter *adapter)
|
|
|
|
|
{
|
|
|
|
|
if (!(adapter->class & I2C_CLASS_HWMON))
|
|
|
|
|
return 0;
|
|
|
|
|
return i2c_detect(adapter, &addr_data, sis5595_detect);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int sis5595_detect(struct i2c_adapter *adapter, int address, int kind)
|
|
|
|
|
{
|
|
|
|
|
int err = 0;
|
|
|
|
|
int i;
|
|
|
|
|
struct i2c_client *new_client;
|
|
|
|
|
struct sis5595_data *data;
|
|
|
|
|
char val;
|
|
|
|
|
u16 a;
|
|
|
|
|
|
|
|
|
|
/* Make sure we are probing the ISA bus!! */
|
|
|
|
|
if (!i2c_is_isa_adapter(adapter))
|
|
|
|
|
goto exit;
|
|
|
|
|
|
|
|
|
|
if (force_addr)
|
|
|
|
|
address = force_addr & ~(SIS5595_EXTENT - 1);
|
|
|
|
|
/* Reserve the ISA region */
|
|
|
|
|
if (!request_region(address, SIS5595_EXTENT, sis5595_driver.name)) {
|
|
|
|
|
err = -EBUSY;
|
|
|
|
|
goto exit;
|
|
|
|
|
}
|
|
|
|
|
if (force_addr) {
|
|
|
|
|
dev_warn(&adapter->dev, "forcing ISA address 0x%04X\n", address);
|
|
|
|
|
if (PCIBIOS_SUCCESSFUL !=
|
|
|
|
|
pci_write_config_word(s_bridge, SIS5595_BASE_REG, address))
|
|
|
|
|
goto exit_release;
|
|
|
|
|
if (PCIBIOS_SUCCESSFUL !=
|
|
|
|
|
pci_read_config_word(s_bridge, SIS5595_BASE_REG, &a))
|
|
|
|
|
goto exit_release;
|
|
|
|
|
if ((a & ~(SIS5595_EXTENT - 1)) != address)
|
|
|
|
|
/* doesn't work for some chips? */
|
|
|
|
|
goto exit_release;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (PCIBIOS_SUCCESSFUL !=
|
|
|
|
|
pci_read_config_byte(s_bridge, SIS5595_ENABLE_REG, &val)) {
|
|
|
|
|
goto exit_release;
|
|
|
|
|
}
|
|
|
|
|
if ((val & 0x80) == 0) {
|
|
|
|
|
if (PCIBIOS_SUCCESSFUL !=
|
|
|
|
|
pci_write_config_byte(s_bridge, SIS5595_ENABLE_REG,
|
|
|
|
|
val | 0x80))
|
|
|
|
|
goto exit_release;
|
|
|
|
|
if (PCIBIOS_SUCCESSFUL !=
|
|
|
|
|
pci_read_config_byte(s_bridge, SIS5595_ENABLE_REG, &val))
|
|
|
|
|
goto exit_release;
|
|
|
|
|
if ((val & 0x80) == 0)
|
|
|
|
|
/* doesn't work for some chips! */
|
|
|
|
|
goto exit_release;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!(data = kmalloc(sizeof(struct sis5595_data), GFP_KERNEL))) {
|
|
|
|
|
err = -ENOMEM;
|
|
|
|
|
goto exit_release;
|
|
|
|
|
}
|
|
|
|
|
memset(data, 0, sizeof(struct sis5595_data));
|
|
|
|
|
|
|
|
|
|
new_client = &data->client;
|
|
|
|
|
new_client->addr = address;
|
|
|
|
|
init_MUTEX(&data->lock);
|
|
|
|
|
i2c_set_clientdata(new_client, data);
|
|
|
|
|
new_client->adapter = adapter;
|
|
|
|
|
new_client->driver = &sis5595_driver;
|
|
|
|
|
new_client->flags = 0;
|
|
|
|
|
|
|
|
|
|
/* Check revision and pin registers to determine whether 4 or 5 voltages */
|
|
|
|
|
pci_read_config_byte(s_bridge, SIS5595_REVISION_REG, &(data->revision));
|
|
|
|
|
/* 4 voltages, 1 temp */
|
|
|
|
|
data->maxins = 3;
|
|
|
|
|
if (data->revision >= REV2MIN) {
|
|
|
|
|
pci_read_config_byte(s_bridge, SIS5595_PIN_REG, &val);
|
|
|
|
|
if (!(val & 0x80))
|
|
|
|
|
/* 5 voltages, no temps */
|
|
|
|
|
data->maxins = 4;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Fill in the remaining client fields and put it into the global list */
|
|
|
|
|
strlcpy(new_client->name, "sis5595", I2C_NAME_SIZE);
|
|
|
|
|
|
|
|
|
|
data->valid = 0;
|
|
|
|
|
init_MUTEX(&data->update_lock);
|
|
|
|
|
|
|
|
|
|
/* Tell the I2C layer a new client has arrived */
|
|
|
|
|
if ((err = i2c_attach_client(new_client)))
|
|
|
|
|
goto exit_free;
|
|
|
|
|
|
|
|
|
|
/* Initialize the SIS5595 chip */
|
|
|
|
|
sis5595_init_client(new_client);
|
|
|
|
|
|
|
|
|
|
/* A few vars need to be filled upon startup */
|
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
|
|
|
data->fan_min[i] = sis5595_read_value(new_client,
|
|
|
|
|
SIS5595_REG_FAN_MIN(i));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Register sysfs hooks */
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_in0_input);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_in0_min);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_in0_max);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_in1_input);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_in1_min);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_in1_max);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_in2_input);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_in2_min);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_in2_max);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_in3_input);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_in3_min);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_in3_max);
|
|
|
|
|
if (data->maxins == 4) {
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_in4_input);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_in4_min);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_in4_max);
|
|
|
|
|
}
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_fan1_input);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_fan1_min);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_fan1_div);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_fan2_input);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_fan2_min);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_fan2_div);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_alarms);
|
|
|
|
|
if (data->maxins == 3) {
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_temp1_input);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_temp1_max);
|
|
|
|
|
device_create_file(&new_client->dev, &dev_attr_temp1_max_hyst);
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
exit_free:
|
|
|
|
|
kfree(data);
|
|
|
|
|
exit_release:
|
|
|
|
|
release_region(address, SIS5595_EXTENT);
|
|
|
|
|
exit:
|
|
|
|
|
return err;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int sis5595_detach_client(struct i2c_client *client)
|
|
|
|
|
{
|
|
|
|
|
int err;
|
|
|
|
|
|
|
|
|
|
if ((err = i2c_detach_client(client))) {
|
|
|
|
|
dev_err(&client->dev,
|
|
|
|
|
"Client deregistration failed, client not detached.\n");
|
|
|
|
|
return err;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (i2c_is_isa_client(client))
|
|
|
|
|
release_region(client->addr, SIS5595_EXTENT);
|
|
|
|
|
|
|
|
|
|
kfree(i2c_get_clientdata(client));
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* ISA access must be locked explicitly. */
|
|
|
|
|
static int sis5595_read_value(struct i2c_client *client, u8 reg)
|
|
|
|
|
{
|
|
|
|
|
int res;
|
|
|
|
|
|
|
|
|
|
struct sis5595_data *data = i2c_get_clientdata(client);
|
|
|
|
|
down(&data->lock);
|
|
|
|
|
outb_p(reg, client->addr + SIS5595_ADDR_REG_OFFSET);
|
|
|
|
|
res = inb_p(client->addr + SIS5595_DATA_REG_OFFSET);
|
|
|
|
|
up(&data->lock);
|
|
|
|
|
return res;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int sis5595_write_value(struct i2c_client *client, u8 reg, u8 value)
|
|
|
|
|
{
|
|
|
|
|
struct sis5595_data *data = i2c_get_clientdata(client);
|
|
|
|
|
down(&data->lock);
|
|
|
|
|
outb_p(reg, client->addr + SIS5595_ADDR_REG_OFFSET);
|
|
|
|
|
outb_p(value, client->addr + SIS5595_DATA_REG_OFFSET);
|
|
|
|
|
up(&data->lock);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Called when we have found a new SIS5595. */
|
|
|
|
|
static void sis5595_init_client(struct i2c_client *client)
|
|
|
|
|
{
|
|
|
|
|
u8 config = sis5595_read_value(client, SIS5595_REG_CONFIG);
|
|
|
|
|
if (!(config & 0x01))
|
|
|
|
|
sis5595_write_value(client, SIS5595_REG_CONFIG,
|
|
|
|
|
(config & 0xf7) | 0x01);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct sis5595_data *sis5595_update_device(struct device *dev)
|
|
|
|
|
{
|
|
|
|
|
struct i2c_client *client = to_i2c_client(dev);
|
|
|
|
|
struct sis5595_data *data = i2c_get_clientdata(client);
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
down(&data->update_lock);
|
|
|
|
|
|
|
|
|
|
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|
|
|
|
|
|| !data->valid) {
|
|
|
|
|
|
|
|
|
|
for (i = 0; i <= data->maxins; i++) {
|
|
|
|
|
data->in[i] =
|
|
|
|
|
sis5595_read_value(client, SIS5595_REG_IN(i));
|
|
|
|
|
data->in_min[i] =
|
|
|
|
|
sis5595_read_value(client,
|
|
|
|
|
SIS5595_REG_IN_MIN(i));
|
|
|
|
|
data->in_max[i] =
|
|
|
|
|
sis5595_read_value(client,
|
|
|
|
|
SIS5595_REG_IN_MAX(i));
|
|
|
|
|
}
|
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
|
|
|
data->fan[i] =
|
|
|
|
|
sis5595_read_value(client, SIS5595_REG_FAN(i));
|
|
|
|
|
data->fan_min[i] =
|
|
|
|
|
sis5595_read_value(client,
|
|
|
|
|
SIS5595_REG_FAN_MIN(i));
|
|
|
|
|
}
|
|
|
|
|
if (data->maxins == 3) {
|
|
|
|
|
data->temp =
|
|
|
|
|
sis5595_read_value(client, SIS5595_REG_TEMP);
|
|
|
|
|
data->temp_over =
|
|
|
|
|
sis5595_read_value(client, SIS5595_REG_TEMP_OVER);
|
|
|
|
|
data->temp_hyst =
|
|
|
|
|
sis5595_read_value(client, SIS5595_REG_TEMP_HYST);
|
|
|
|
|
}
|
|
|
|
|
i = sis5595_read_value(client, SIS5595_REG_FANDIV);
|
|
|
|
|
data->fan_div[0] = (i >> 4) & 0x03;
|
|
|
|
|
data->fan_div[1] = i >> 6;
|
|
|
|
|
data->alarms =
|
|
|
|
|
sis5595_read_value(client, SIS5595_REG_ALARM1) |
|
|
|
|
|
(sis5595_read_value(client, SIS5595_REG_ALARM2) << 8);
|
|
|
|
|
data->last_updated = jiffies;
|
|
|
|
|
data->valid = 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
up(&data->update_lock);
|
|
|
|
|
|
|
|
|
|
return data;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct pci_device_id sis5595_pci_ids[] = {
|
|
|
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_503) },
|
|
|
|
|
{ 0, }
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
MODULE_DEVICE_TABLE(pci, sis5595_pci_ids);
|
|
|
|
|
|
|
|
|
|
static int blacklist[] __devinitdata = {
|
|
|
|
|
PCI_DEVICE_ID_SI_540,
|
|
|
|
|
PCI_DEVICE_ID_SI_550,
|
|
|
|
|
PCI_DEVICE_ID_SI_630,
|
|
|
|
|
PCI_DEVICE_ID_SI_645,
|
|
|
|
|
PCI_DEVICE_ID_SI_730,
|
|
|
|
|
PCI_DEVICE_ID_SI_735,
|
|
|
|
|
PCI_DEVICE_ID_SI_5511, /* 5513 chip has the 0008 device but
|
|
|
|
|
that ID shows up in other chips so we
|
|
|
|
|
use the 5511 ID for recognition */
|
|
|
|
|
PCI_DEVICE_ID_SI_5597,
|
|
|
|
|
PCI_DEVICE_ID_SI_5598,
|
|
|
|
|
0 };
|
|
|
|
|
|
|
|
|
|
static int __devinit sis5595_pci_probe(struct pci_dev *dev,
|
|
|
|
|
const struct pci_device_id *id)
|
|
|
|
|
{
|
|
|
|
|
u16 val;
|
|
|
|
|
int *i;
|
|
|
|
|
int addr = 0;
|
|
|
|
|
|
|
|
|
|
for (i = blacklist; *i != 0; i++) {
|
|
|
|
|
struct pci_dev *dev;
|
|
|
|
|
dev = pci_get_device(PCI_VENDOR_ID_SI, *i, NULL);
|
|
|
|
|
if (dev) {
|
|
|
|
|
dev_err(&dev->dev, "Looked for SIS5595 but found unsupported device %.4x\n", *i);
|
|
|
|
|
pci_dev_put(dev);
|
|
|
|
|
return -ENODEV;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (PCIBIOS_SUCCESSFUL !=
|
|
|
|
|
pci_read_config_word(dev, SIS5595_BASE_REG, &val))
|
|
|
|
|
return -ENODEV;
|
|
|
|
|
|
|
|
|
|
addr = val & ~(SIS5595_EXTENT - 1);
|
|
|
|
|
if (addr == 0 && force_addr == 0) {
|
|
|
|
|
dev_err(&dev->dev, "Base address not set - upgrade BIOS or use force_addr=0xaddr\n");
|
|
|
|
|
return -ENODEV;
|
|
|
|
|
}
|
|
|
|
|
if (force_addr)
|
|
|
|
|
addr = force_addr; /* so detect will get called */
|
|
|
|
|
|
|
|
|
|
if (!addr) {
|
|
|
|
|
dev_err(&dev->dev,"No SiS 5595 sensors found.\n");
|
|
|
|
|
return -ENODEV;
|
|
|
|
|
}
|
|
|
|
|
normal_isa[0] = addr;
|
|
|
|
|
|
|
|
|
|
s_bridge = pci_dev_get(dev);
|
|
|
|
|
if (i2c_add_driver(&sis5595_driver)) {
|
|
|
|
|
pci_dev_put(s_bridge);
|
|
|
|
|
s_bridge = NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Always return failure here. This is to allow other drivers to bind
|
|
|
|
|
* to this pci device. We don't really want to have control over the
|
|
|
|
|
* pci device, we only wanted to read as few register values from it.
|
|
|
|
|
*/
|
|
|
|
|
return -ENODEV;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static struct pci_driver sis5595_pci_driver = {
|
|
|
|
|
.name = "sis5595",
|
|
|
|
|
.id_table = sis5595_pci_ids,
|
|
|
|
|
.probe = sis5595_pci_probe,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static int __init sm_sis5595_init(void)
|
|
|
|
|
{
|
|
|
|
|
return pci_register_driver(&sis5595_pci_driver);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void __exit sm_sis5595_exit(void)
|
|
|
|
|
{
|
|
|
|
|
pci_unregister_driver(&sis5595_pci_driver);
|
|
|
|
|
if (s_bridge != NULL) {
|
|
|
|
|
i2c_del_driver(&sis5595_driver);
|
|
|
|
|
pci_dev_put(s_bridge);
|
|
|
|
|
s_bridge = NULL;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
MODULE_AUTHOR("Aurelien Jarno <aurelien@aurel32.net>");
|
|
|
|
|
MODULE_DESCRIPTION("SiS 5595 Sensor device");
|
|
|
|
|
MODULE_LICENSE("GPL");
|
|
|
|
|
|
|
|
|
|
module_init(sm_sis5595_init);
|
|
|
|
|
module_exit(sm_sis5595_exit);
|