11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 28fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * sis5595.c - Part of lm_sensors, Linux kernel modules 38fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * for hardware monitoring 48fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 58fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * Copyright (C) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>, 68fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * Kyösti Mälkki <kmalkki@cc.hut.fi>, and 78fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * Mark D. Studebaker <mdsxyz123@yahoo.com> 88fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with 98fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * the help of Jean Delvare <khali@linux-fr.org> 108fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 118fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * This program is free software; you can redistribute it and/or modify 128fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * it under the terms of the GNU General Public License as published by 138fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * the Free Software Foundation; either version 2 of the License, or 148fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * (at your option) any later version. 158fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 168fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * This program is distributed in the hope that it will be useful, 178fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * but WITHOUT ANY WARRANTY; without even the implied warranty of 188fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 198fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * GNU General Public License for more details. 208fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 218fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * You should have received a copy of the GNU General Public License 228fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * along with this program; if not, write to the Free Software 238fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 248fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck */ 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 278fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * SiS southbridge has a LM78-like chip integrated on the same IC. 288fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * This driver is a customized copy of lm78.c 298fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 308fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * Supports following revisions: 318fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * Version PCI ID PCI Revision 328fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 1 1039/0008 AF or less 338fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 2 1039/0008 B0 or greater 348fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 358fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * Note: these chips contain a 0008 device which is incompatible with the 368fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 5595. We recognize these by the presence of the listed 378fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * "blacklist" PCI ID and refuse to load. 388fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 398fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * NOT SUPPORTED PCI ID BLACKLIST PCI ID 408fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 540 0008 0540 418fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 550 0008 0550 428fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 5513 0008 5511 438fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 5581 0008 5597 448fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 5582 0008 5597 458fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 5597 0008 5597 468fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 5598 0008 5597/5598 478fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 630 0008 0630 488fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 645 0008 0645 498fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 730 0008 0730 508fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 735 0008 0735 518fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck */ 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 534b2515dbb94341db01db3208f9f40658c5e2a251Joe Perches#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 544b2515dbb94341db01db3208f9f40658c5e2a251Joe Perches 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/slab.h> 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ioport.h> 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/pci.h> 5917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare#include <linux/platform_device.h> 60943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman#include <linux/hwmon.h> 611f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare#include <linux/hwmon-sysfs.h> 62943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman#include <linux/err.h> 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 64ff3240946d6a3d9f2ecf273f7330e09eec5484ebDominik Hackl#include <linux/jiffies.h> 659a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar#include <linux/mutex.h> 66a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare#include <linux/sysfs.h> 67b9acb64a385c5b26fc392e0d58ac7b8e0a2cd812Jean Delvare#include <linux/acpi.h> 686055fae8aceee41471edfd1876e5617d16e028feH Hartley Sweeten#include <linux/io.h> 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 718fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck/* 728fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * If force_addr is set to anything different from 0, we forcibly enable 738fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * the device at the given address. 748fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck */ 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u16 force_addr; 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_param(force_addr, ushort, 0); 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_PARM_DESC(force_addr, 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "Initialize the base address of the sensors"); 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8017e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvarestatic struct platform_device *pdev; 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Many SIS5595 constants specified below */ 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Length of ISA address segment */ 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SIS5595_EXTENT 8 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* PCI Config Registers */ 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SIS5595_BASE_REG 0x68 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SIS5595_PIN_REG 0x7A 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SIS5595_ENABLE_REG 0x7B 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Where are the ISA address/data registers relative to the base address */ 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SIS5595_ADDR_REG_OFFSET 5 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SIS5595_DATA_REG_OFFSET 6 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* The SIS5595 registers */ 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SIS5595_REG_IN_MAX(nr) (0x2b + (nr) * 2) 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SIS5595_REG_IN_MIN(nr) (0x2c + (nr) * 2) 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SIS5595_REG_IN(nr) (0x20 + (nr)) 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SIS5595_REG_FAN_MIN(nr) (0x3b + (nr)) 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SIS5595_REG_FAN(nr) (0x28 + (nr)) 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1038fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck/* 1048fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * On the first version of the chip, the temp registers are separate. 1058fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * On the second version, 1068fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * TEMP pin is shared with IN4, configured in PCI register 0x7A. 1078fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * The registers are the same as well. 1088fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * OVER and HYST are really MAX and MIN. 1098fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck */ 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define REV2MIN 0xb0 1128fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck#define SIS5595_REG_TEMP (((data->revision) >= REV2MIN) ? \ 1138fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck SIS5595_REG_IN(4) : 0x27) 1148fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck#define SIS5595_REG_TEMP_OVER (((data->revision) >= REV2MIN) ? \ 1158fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck SIS5595_REG_IN_MAX(4) : 0x39) 1168fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck#define SIS5595_REG_TEMP_HYST (((data->revision) >= REV2MIN) ? \ 1178fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck SIS5595_REG_IN_MIN(4) : 0x3a) 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SIS5595_REG_CONFIG 0x40 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SIS5595_REG_ALARM1 0x41 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SIS5595_REG_ALARM2 0x42 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SIS5595_REG_FANDIV 0x47 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1248fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck/* 1258fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * Conversions. Limit checking is only done on the TO_REG 1268fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * variants. 1278fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck */ 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1298fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck/* 1308fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * IN: mV, (0V to 4.08V) 1318fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * REG: 16mV/bit 1328fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck */ 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline u8 IN_TO_REG(unsigned long val) 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long nval = SENSORS_LIMIT(val, 0, 4080); 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (nval + 8) / 16; 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IN_FROM_REG(val) ((val) * 16) 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline u8 FAN_TO_REG(long rpm, int div) 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rpm <= 0) 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 255; 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254); 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline int FAN_FROM_REG(u8 val, int div) 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1498fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck return val == 0 ? -1 : val == 255 ? 0 : 1350000 / (val * div); 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1528fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck/* 1538fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * TEMP: mC (-54.12C to +157.53C) 1548fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * REG: 0.83C/bit + 52.12, two's complement 1558fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck */ 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline int TEMP_FROM_REG(s8 val) 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return val * 830 + 52120; 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline s8 TEMP_TO_REG(int val) 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int nval = SENSORS_LIMIT(val, -54120, 157530) ; 1638fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck return nval < 0 ? (nval - 5212 - 415) / 830 : (nval - 5212 + 415) / 830; 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1668fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck/* 1678fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * FAN DIV: 1, 2, 4, or 8 (defaults to 2) 1688fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * REG: 0, 1, 2, or 3 (respectively) (defaults to 1) 1698fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck */ 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline u8 DIV_TO_REG(int val) 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1728fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck return val == 8 ? 3 : val == 4 ? 2 : val == 1 ? 0 : 1; 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DIV_FROM_REG(val) (1 << (val)) 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1768fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck/* 1778fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * For each registered chip, we need to keep some data in memory. 1788fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * The structure is dynamically allocated. 1798fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck */ 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct sis5595_data { 18117e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare unsigned short addr; 18217e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare const char *name; 1831beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones struct device *hwmon_dev; 1849a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar struct mutex lock; 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1869a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar struct mutex update_lock; 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char valid; /* !=0 if following fields are valid */ 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long last_updated; /* In jiffies */ 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char maxins; /* == 3 if temp enabled, otherwise == 4 */ 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 revision; /* Reg. value */ 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 in[5]; /* Register value */ 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 in_max[5]; /* Register value */ 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 in_min[5]; /* Register value */ 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 fan[2]; /* Register value */ 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 fan_min[2]; /* Register value */ 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s8 temp; /* Register value */ 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s8 temp_over; /* Register value */ 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s8 temp_hyst; /* Register value */ 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 fan_div[2]; /* Register encoding, shifted right */ 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 alarms; /* Register encoding, combined */ 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct pci_dev *s_bridge; /* pointer to the (only) sis5595 */ 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20617e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvarestatic int sis5595_probe(struct platform_device *pdev); 207d0546128980c18748010c758903b02909e634830Jean Delvarestatic int __devexit sis5595_remove(struct platform_device *pdev); 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvarestatic int sis5595_read_value(struct sis5595_data *data, u8 reg); 21017e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvarestatic void sis5595_write_value(struct sis5595_data *data, u8 reg, u8 value); 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct sis5595_data *sis5595_update_device(struct device *dev); 21217e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvarestatic void sis5595_init_device(struct sis5595_data *data); 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 21417e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvarestatic struct platform_driver sis5595_driver = { 215cdaf79349c7d24e1d33acb6497849c9e956a33eaLaurent Riffard .driver = { 216872188420997f7f7c1b968fd9bce6578e4c3d45fJean Delvare .owner = THIS_MODULE, 217cdaf79349c7d24e1d33acb6497849c9e956a33eaLaurent Riffard .name = "sis5595", 218cdaf79349c7d24e1d33acb6497849c9e956a33eaLaurent Riffard }, 21917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare .probe = sis5595_probe, 22017e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare .remove = __devexit_p(sis5595_remove), 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 4 Voltages */ 2241f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvarestatic ssize_t show_in(struct device *dev, struct device_attribute *da, 2251f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare char *buf) 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sis5595_data *data = sis5595_update_device(dev); 2281f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare struct sensor_device_attribute *attr = to_sensor_dev_attr(da); 2291f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare int nr = attr->index; 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr])); 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2331f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvarestatic ssize_t show_in_min(struct device *dev, struct device_attribute *da, 2341f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare char *buf) 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sis5595_data *data = sis5595_update_device(dev); 2371f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare struct sensor_device_attribute *attr = to_sensor_dev_attr(da); 2381f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare int nr = attr->index; 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[nr])); 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2421f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvarestatic ssize_t show_in_max(struct device *dev, struct device_attribute *da, 2431f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare char *buf) 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sis5595_data *data = sis5595_update_device(dev); 2461f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare struct sensor_device_attribute *attr = to_sensor_dev_attr(da); 2471f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare int nr = attr->index; 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[nr])); 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2511f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvarestatic ssize_t set_in_min(struct device *dev, struct device_attribute *da, 2521f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare const char *buf, size_t count) 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 25417e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare struct sis5595_data *data = dev_get_drvdata(dev); 2551f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare struct sensor_device_attribute *attr = to_sensor_dev_attr(da); 2561f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare int nr = attr->index; 2578fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck unsigned long val; 2588fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck int err; 2598fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck 2608fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck err = kstrtoul(buf, 10, &val); 2618fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck if (err) 2628fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck return err; 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2649a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_min[nr] = IN_TO_REG(val); 26617e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare sis5595_write_value(data, SIS5595_REG_IN_MIN(nr), data->in_min[nr]); 2679a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2711f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvarestatic ssize_t set_in_max(struct device *dev, struct device_attribute *da, 2721f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare const char *buf, size_t count) 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 27417e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare struct sis5595_data *data = dev_get_drvdata(dev); 2751f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare struct sensor_device_attribute *attr = to_sensor_dev_attr(da); 2761f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare int nr = attr->index; 2778fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck unsigned long val; 2788fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck int err; 2798fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck 2808fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck err = kstrtoul(buf, 10, &val); 2818fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck if (err) 2828fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck return err; 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2849a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_max[nr] = IN_TO_REG(val); 28617e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare sis5595_write_value(data, SIS5595_REG_IN_MAX(nr), data->in_max[nr]); 2879a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define show_in_offset(offset) \ 2921f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvarestatic SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \ 2931f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare show_in, NULL, offset); \ 2941f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvarestatic SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ 2951f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare show_in_min, set_in_min, offset); \ 2961f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvarestatic SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ 2971f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare show_in_max, set_in_max, offset); 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in_offset(0); 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in_offset(1); 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in_offset(2); 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in_offset(3); 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in_offset(4); 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Temperature */ 3068fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeckstatic ssize_t show_temp(struct device *dev, struct device_attribute *attr, 3078fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck char *buf) 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sis5595_data *data = sis5595_update_device(dev); 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp)); 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3138fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeckstatic ssize_t show_temp_over(struct device *dev, struct device_attribute *attr, 3148fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck char *buf) 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sis5595_data *data = sis5595_update_device(dev); 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_over)); 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3208fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeckstatic ssize_t set_temp_over(struct device *dev, struct device_attribute *attr, 3218fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck const char *buf, size_t count) 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 32317e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare struct sis5595_data *data = dev_get_drvdata(dev); 3248fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck long val; 3258fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck int err; 3268fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck 3278fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck err = kstrtol(buf, 10, &val); 3288fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck if (err) 3298fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck return err; 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3319a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_over = TEMP_TO_REG(val); 33317e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare sis5595_write_value(data, SIS5595_REG_TEMP_OVER, data->temp_over); 3349a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3388fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeckstatic ssize_t show_temp_hyst(struct device *dev, struct device_attribute *attr, 3398fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck char *buf) 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sis5595_data *data = sis5595_update_device(dev); 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_hyst)); 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3458fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeckstatic ssize_t set_temp_hyst(struct device *dev, struct device_attribute *attr, 3468fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck const char *buf, size_t count) 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 34817e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare struct sis5595_data *data = dev_get_drvdata(dev); 3498fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck long val; 3508fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck int err; 3518fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck 3528fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck err = kstrtol(buf, 10, &val); 3538fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck if (err) 3548fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck return err; 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3569a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_hyst = TEMP_TO_REG(val); 35817e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare sis5595_write_value(data, SIS5595_REG_TEMP_HYST, data->temp_hyst); 3599a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL); 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_temp_over, set_temp_over); 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_temp_hyst, set_temp_hyst); 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2 Fans */ 3701f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvarestatic ssize_t show_fan(struct device *dev, struct device_attribute *da, 3711f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare char *buf) 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sis5595_data *data = sis5595_update_device(dev); 3741f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare struct sensor_device_attribute *attr = to_sensor_dev_attr(da); 3751f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare int nr = attr->index; 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr], 3778fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck DIV_FROM_REG(data->fan_div[nr]))); 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3801f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvarestatic ssize_t show_fan_min(struct device *dev, struct device_attribute *da, 3811f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare char *buf) 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sis5595_data *data = sis5595_update_device(dev); 3841f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare struct sensor_device_attribute *attr = to_sensor_dev_attr(da); 3851f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare int nr = attr->index; 3868fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr], 3878fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck DIV_FROM_REG(data->fan_div[nr]))); 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3901f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvarestatic ssize_t set_fan_min(struct device *dev, struct device_attribute *da, 3911f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare const char *buf, size_t count) 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 39317e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare struct sis5595_data *data = dev_get_drvdata(dev); 3941f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare struct sensor_device_attribute *attr = to_sensor_dev_attr(da); 3951f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare int nr = attr->index; 3968fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck unsigned long val; 3978fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck int err; 3988fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck 3998fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck err = kstrtoul(buf, 10, &val); 4008fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck if (err) 4018fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck return err; 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4039a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); 40517e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare sis5595_write_value(data, SIS5595_REG_FAN_MIN(nr), data->fan_min[nr]); 4069a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4101f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvarestatic ssize_t show_fan_div(struct device *dev, struct device_attribute *da, 4111f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare char *buf) 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sis5595_data *data = sis5595_update_device(dev); 4141f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare struct sensor_device_attribute *attr = to_sensor_dev_attr(da); 4151f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare int nr = attr->index; 4168fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr])); 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4198fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck/* 4208fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * Note: we save and restore the fan minimum here, because its value is 4218fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * determined in part by the fan divisor. This follows the principle of 4228fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * least surprise; the user doesn't expect the fan minimum to change just 4238fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * because the divisor changed. 4248fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck */ 4251f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvarestatic ssize_t set_fan_div(struct device *dev, struct device_attribute *da, 4261f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare const char *buf, size_t count) 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 42817e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare struct sis5595_data *data = dev_get_drvdata(dev); 4291f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare struct sensor_device_attribute *attr = to_sensor_dev_attr(da); 4301f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare int nr = attr->index; 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long min; 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int reg; 4338fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck unsigned long val; 4348fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck int err; 4358fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck 4368fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck err = kstrtoul(buf, 10, &val); 4378fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck if (err) 4388fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck return err; 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4409a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds min = FAN_FROM_REG(data->fan_min[nr], 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DIV_FROM_REG(data->fan_div[nr])); 44317e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare reg = sis5595_read_value(data, SIS5595_REG_FANDIV); 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (val) { 4468fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck case 1: 4478fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck data->fan_div[nr] = 0; 4488fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck break; 4498fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck case 2: 4508fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck data->fan_div[nr] = 1; 4518fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck break; 4528fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck case 4: 4538fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck data->fan_div[nr] = 2; 4548fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck break; 4558fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck case 8: 4568fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck data->fan_div[nr] = 3; 4578fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck break; 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 45917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare dev_err(dev, "fan_div value %ld not " 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "supported. Choose one of 1, 2, 4 or 8!\n", val); 4619a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4648fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck 4651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (nr) { 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0: 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = (reg & 0xcf) | (data->fan_div[nr] << 4); 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 1: 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = (reg & 0x3f) | (data->fan_div[nr] << 6); 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 47317e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare sis5595_write_value(data, SIS5595_REG_FANDIV, reg); 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_min[nr] = 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); 47617e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare sis5595_write_value(data, SIS5595_REG_FAN_MIN(nr), data->fan_min[nr]); 4779a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define show_fan_offset(offset) \ 4821f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvarestatic SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ 4831f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare show_fan, NULL, offset - 1); \ 4841f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvarestatic SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ 4851f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare show_fan_min, set_fan_min, offset - 1); \ 4861f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvarestatic SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ 4871f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare show_fan_div, set_fan_div, offset - 1); 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_fan_offset(1); 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_fan_offset(2); 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Alarms */ 4938fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeckstatic ssize_t show_alarms(struct device *dev, struct device_attribute *attr, 4948fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck char *buf) 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sis5595_data *data = sis5595_update_device(dev); 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", data->alarms); 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); 500a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare 5015c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Mancastatic ssize_t show_alarm(struct device *dev, struct device_attribute *da, 5025c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Manca char *buf) 5035c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Manca{ 5045c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Manca struct sis5595_data *data = sis5595_update_device(dev); 5055c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Manca int nr = to_sensor_dev_attr(da)->index; 5065c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Manca return sprintf(buf, "%u\n", (data->alarms >> nr) & 1); 5075c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Manca} 5085c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Mancastatic SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); 5095c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Mancastatic SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); 5105c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Mancastatic SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); 5115c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Mancastatic SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); 5125c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Mancastatic SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 15); 5135c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Mancastatic SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6); 5145c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Mancastatic SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7); 5155c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Mancastatic SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 15); 5165c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Manca 51717e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvarestatic ssize_t show_name(struct device *dev, struct device_attribute *attr, 51817e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare char *buf) 51917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare{ 52017e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare struct sis5595_data *data = dev_get_drvdata(dev); 52117e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare return sprintf(buf, "%s\n", data->name); 52217e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare} 52317e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvarestatic DEVICE_ATTR(name, S_IRUGO, show_name, NULL); 52417e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare 525a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvarestatic struct attribute *sis5595_attributes[] = { 5261f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_in0_input.dev_attr.attr, 5271f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_in0_min.dev_attr.attr, 5281f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_in0_max.dev_attr.attr, 5295c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Manca &sensor_dev_attr_in0_alarm.dev_attr.attr, 5301f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_in1_input.dev_attr.attr, 5311f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_in1_min.dev_attr.attr, 5321f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_in1_max.dev_attr.attr, 5335c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Manca &sensor_dev_attr_in1_alarm.dev_attr.attr, 5341f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_in2_input.dev_attr.attr, 5351f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_in2_min.dev_attr.attr, 5361f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_in2_max.dev_attr.attr, 5375c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Manca &sensor_dev_attr_in2_alarm.dev_attr.attr, 5381f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_in3_input.dev_attr.attr, 5391f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_in3_min.dev_attr.attr, 5401f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_in3_max.dev_attr.attr, 5415c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Manca &sensor_dev_attr_in3_alarm.dev_attr.attr, 5421f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare 5431f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_fan1_input.dev_attr.attr, 5441f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_fan1_min.dev_attr.attr, 5451f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_fan1_div.dev_attr.attr, 5465c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Manca &sensor_dev_attr_fan1_alarm.dev_attr.attr, 5471f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_fan2_input.dev_attr.attr, 5481f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_fan2_min.dev_attr.attr, 5491f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_fan2_div.dev_attr.attr, 5505c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Manca &sensor_dev_attr_fan2_alarm.dev_attr.attr, 551a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare 552a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare &dev_attr_alarms.attr, 55317e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare &dev_attr_name.attr, 554a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare NULL 555a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare}; 556a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare 557a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvarestatic const struct attribute_group sis5595_group = { 558a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare .attrs = sis5595_attributes, 559a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare}; 560a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare 56176e63860daedb302bddd707a765411c902d936bdIvo Mancastatic struct attribute *sis5595_attributes_in4[] = { 5621f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_in4_input.dev_attr.attr, 5631f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_in4_min.dev_attr.attr, 5641f5f48dde709ae6951a2f1e044c21f5641684b0aJean Delvare &sensor_dev_attr_in4_max.dev_attr.attr, 5655c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Manca &sensor_dev_attr_in4_alarm.dev_attr.attr, 56676e63860daedb302bddd707a765411c902d936bdIvo Manca NULL 56776e63860daedb302bddd707a765411c902d936bdIvo Manca}; 56876e63860daedb302bddd707a765411c902d936bdIvo Manca 56976e63860daedb302bddd707a765411c902d936bdIvo Mancastatic const struct attribute_group sis5595_group_in4 = { 57076e63860daedb302bddd707a765411c902d936bdIvo Manca .attrs = sis5595_attributes_in4, 57176e63860daedb302bddd707a765411c902d936bdIvo Manca}; 572a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare 57376e63860daedb302bddd707a765411c902d936bdIvo Mancastatic struct attribute *sis5595_attributes_temp1[] = { 574a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare &dev_attr_temp1_input.attr, 575a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare &dev_attr_temp1_max.attr, 576a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare &dev_attr_temp1_max_hyst.attr, 5775c726b3ba0d6692253a09d88c701f0c4b45ca248Ivo Manca &sensor_dev_attr_temp1_alarm.dev_attr.attr, 578a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare NULL 579a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare}; 580a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare 58176e63860daedb302bddd707a765411c902d936bdIvo Mancastatic const struct attribute_group sis5595_group_temp1 = { 58276e63860daedb302bddd707a765411c902d936bdIvo Manca .attrs = sis5595_attributes_temp1, 583a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare}; 5848fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* This is called when the module is loaded */ 58617e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvarestatic int __devinit sis5595_probe(struct platform_device *pdev) 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int err = 0; 5891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct sis5595_data *data; 59117e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare struct resource *res; 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char val; 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Reserve the ISA region */ 59517e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare res = platform_get_resource(pdev, IORESOURCE_IO, 0); 59617e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare if (!request_region(res->start, SIS5595_EXTENT, 597cdaf79349c7d24e1d33acb6497849c9e956a33eaLaurent Riffard sis5595_driver.driver.name)) { 5981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = -EBUSY; 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto exit; 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6028fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck data = kzalloc(sizeof(struct sis5595_data), GFP_KERNEL); 6038fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck if (!data) { 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = -ENOMEM; 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto exit_release; 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6089a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_init(&data->lock); 60917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare mutex_init(&data->update_lock); 61017e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare data->addr = res->start; 61117e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare data->name = "sis5595"; 61217e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare platform_set_drvdata(pdev, data); 6131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6148fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck /* 6158fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * Check revision and pin registers to determine whether 4 or 5 voltages 6168fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck */ 6177b6d1f044d95395ca103bfb6869caa996fedbbd2Auke Kok data->revision = s_bridge->revision; 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 4 voltages, 1 temp */ 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->maxins = 3; 6201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data->revision >= REV2MIN) { 6211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_read_config_byte(s_bridge, SIS5595_PIN_REG, &val); 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(val & 0x80)) 6231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 5 voltages, no temps */ 6241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->maxins = 4; 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6268fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Initialize the SIS5595 chip */ 62817e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare sis5595_init_device(data); 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* A few vars need to be filled upon startup */ 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 2; i++) { 63217e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare data->fan_min[i] = sis5595_read_value(data, 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SIS5595_REG_FAN_MIN(i)); 6341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Register sysfs hooks */ 6378fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck err = sysfs_create_group(&pdev->dev.kobj, &sis5595_group); 6388fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck if (err) 63917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare goto exit_free; 640a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare if (data->maxins == 4) { 6418fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck err = sysfs_create_group(&pdev->dev.kobj, &sis5595_group_in4); 6428fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck if (err) 643a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare goto exit_remove_files; 644a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare } else { 6458fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck err = sysfs_create_group(&pdev->dev.kobj, &sis5595_group_temp1); 6468fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck if (err) 647a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare goto exit_remove_files; 648a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare } 649a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare 6501beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones data->hwmon_dev = hwmon_device_register(&pdev->dev); 6511beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones if (IS_ERR(data->hwmon_dev)) { 6521beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones err = PTR_ERR(data->hwmon_dev); 653a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvare goto exit_remove_files; 654943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman } 655943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 657943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman 658a5ebe668add5f76ed8f01f752b37cfa164a26a30Jean Delvareexit_remove_files: 65917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare sysfs_remove_group(&pdev->dev.kobj, &sis5595_group); 66076e63860daedb302bddd707a765411c902d936bdIvo Manca sysfs_remove_group(&pdev->dev.kobj, &sis5595_group_in4); 66176e63860daedb302bddd707a765411c902d936bdIvo Manca sysfs_remove_group(&pdev->dev.kobj, &sis5595_group_temp1); 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsexit_free: 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(data); 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsexit_release: 66517e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare release_region(res->start, SIS5595_EXTENT); 6661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsexit: 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 6681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 67017e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvarestatic int __devexit sis5595_remove(struct platform_device *pdev) 6711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 67217e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare struct sis5595_data *data = platform_get_drvdata(pdev); 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6741beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones hwmon_device_unregister(data->hwmon_dev); 67517e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare sysfs_remove_group(&pdev->dev.kobj, &sis5595_group); 67676e63860daedb302bddd707a765411c902d936bdIvo Manca sysfs_remove_group(&pdev->dev.kobj, &sis5595_group_in4); 67776e63860daedb302bddd707a765411c902d936bdIvo Manca sysfs_remove_group(&pdev->dev.kobj, &sis5595_group_temp1); 6781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 67917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare release_region(data->addr, SIS5595_EXTENT); 68017e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare platform_set_drvdata(pdev, NULL); 681943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman kfree(data); 6821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ISA access must be locked explicitly. */ 68817e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvarestatic int sis5595_read_value(struct sis5595_data *data, u8 reg) 6891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int res; 6911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6929a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->lock); 69317e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare outb_p(reg, data->addr + SIS5595_ADDR_REG_OFFSET); 69417e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare res = inb_p(data->addr + SIS5595_DATA_REG_OFFSET); 6959a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->lock); 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return res; 6971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 69917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvarestatic void sis5595_write_value(struct sis5595_data *data, u8 reg, u8 value) 7001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7019a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->lock); 70217e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare outb_p(reg, data->addr + SIS5595_ADDR_REG_OFFSET); 70317e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare outb_p(value, data->addr + SIS5595_DATA_REG_OFFSET); 7049a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->lock); 7051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Called when we have found a new SIS5595. */ 70817e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvarestatic void __devinit sis5595_init_device(struct sis5595_data *data) 7091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 71017e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare u8 config = sis5595_read_value(data, SIS5595_REG_CONFIG); 7111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(config & 0x01)) 71217e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare sis5595_write_value(data, SIS5595_REG_CONFIG, 7131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (config & 0xf7) | 0x01); 7141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct sis5595_data *sis5595_update_device(struct device *dev) 7171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 71817e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare struct sis5595_data *data = dev_get_drvdata(dev); 7191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 7201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7219a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 7221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (time_after(jiffies, data->last_updated + HZ + HZ / 2) 7241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || !data->valid) { 7251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i <= data->maxins; i++) { 7271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in[i] = 72817e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare sis5595_read_value(data, SIS5595_REG_IN(i)); 7291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_min[i] = 73017e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare sis5595_read_value(data, 7311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SIS5595_REG_IN_MIN(i)); 7321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_max[i] = 73317e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare sis5595_read_value(data, 7341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SIS5595_REG_IN_MAX(i)); 7351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 2; i++) { 7371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan[i] = 73817e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare sis5595_read_value(data, SIS5595_REG_FAN(i)); 7391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_min[i] = 74017e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare sis5595_read_value(data, 7411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SIS5595_REG_FAN_MIN(i)); 7421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data->maxins == 3) { 7441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp = 74517e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare sis5595_read_value(data, SIS5595_REG_TEMP); 7461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_over = 74717e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare sis5595_read_value(data, SIS5595_REG_TEMP_OVER); 7481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_hyst = 74917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare sis5595_read_value(data, SIS5595_REG_TEMP_HYST); 7501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 75117e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare i = sis5595_read_value(data, SIS5595_REG_FANDIV); 7521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_div[0] = (i >> 4) & 0x03; 7531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_div[1] = i >> 6; 7541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->alarms = 75517e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare sis5595_read_value(data, SIS5595_REG_ALARM1) | 75617e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare (sis5595_read_value(data, SIS5595_REG_ALARM2) << 8); 7571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->last_updated = jiffies; 7581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->valid = 1; 7591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7619a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 7621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return data; 7641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 766600151b9de97bd580f9dc09199a10f0c2b65cb97Frans Meulenbroeksstatic DEFINE_PCI_DEVICE_TABLE(sis5595_pci_ids) = { 7671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_503) }, 7681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0, } 7691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 7701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DEVICE_TABLE(pci, sis5595_pci_ids); 7721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int blacklist[] __devinitdata = { 7741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PCI_DEVICE_ID_SI_540, 7751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PCI_DEVICE_ID_SI_550, 7761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PCI_DEVICE_ID_SI_630, 7771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PCI_DEVICE_ID_SI_645, 7781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PCI_DEVICE_ID_SI_730, 7791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PCI_DEVICE_ID_SI_735, 7808fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck PCI_DEVICE_ID_SI_5511, /* 7818fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * 5513 chip has the 0008 device but 7828fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * that ID shows up in other chips so we 7838fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * use the 5511 ID for recognition 7848fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck */ 7851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PCI_DEVICE_ID_SI_5597, 7861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PCI_DEVICE_ID_SI_5598, 7871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 0 }; 7881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 78917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvarestatic int __devinit sis5595_device_add(unsigned short address) 79017e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare{ 79117e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare struct resource res = { 79217e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare .start = address, 79317e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare .end = address + SIS5595_EXTENT - 1, 79417e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare .name = "sis5595", 79517e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare .flags = IORESOURCE_IO, 79617e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare }; 79717e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare int err; 79817e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare 799b9acb64a385c5b26fc392e0d58ac7b8e0a2cd812Jean Delvare err = acpi_check_resource_conflict(&res); 800b9acb64a385c5b26fc392e0d58ac7b8e0a2cd812Jean Delvare if (err) 801b9acb64a385c5b26fc392e0d58ac7b8e0a2cd812Jean Delvare goto exit; 802b9acb64a385c5b26fc392e0d58ac7b8e0a2cd812Jean Delvare 80317e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare pdev = platform_device_alloc("sis5595", address); 80417e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare if (!pdev) { 80517e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare err = -ENOMEM; 8064b2515dbb94341db01db3208f9f40658c5e2a251Joe Perches pr_err("Device allocation failed\n"); 80717e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare goto exit; 80817e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare } 80917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare 81017e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare err = platform_device_add_resources(pdev, &res, 1); 81117e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare if (err) { 8124b2515dbb94341db01db3208f9f40658c5e2a251Joe Perches pr_err("Device resource addition failed (%d)\n", err); 81317e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare goto exit_device_put; 81417e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare } 81517e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare 81617e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare err = platform_device_add(pdev); 81717e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare if (err) { 8184b2515dbb94341db01db3208f9f40658c5e2a251Joe Perches pr_err("Device addition failed (%d)\n", err); 81917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare goto exit_device_put; 82017e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare } 82117e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare 82217e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare return 0; 82317e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare 82417e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvareexit_device_put: 82517e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare platform_device_put(pdev); 82617e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvareexit: 82717e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare return err; 82817e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare} 82917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare 8301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __devinit sis5595_pci_probe(struct pci_dev *dev, 8311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const struct pci_device_id *id) 8321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 83317e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare u16 address; 83417e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare u8 enable; 8351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int *i; 8361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = blacklist; *i != 0; i++) { 8385460a9d0ffc860a370631e096a8a6f3682f3fc94Mark M. Hoffman struct pci_dev *d; 8398fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck d = pci_get_device(PCI_VENDOR_ID_SI, *i, NULL); 8408fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck if (d) { 8418fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck dev_err(&d->dev, 8428fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck "Looked for SIS5595 but found unsupported device %.4x\n", 8438fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck *i); 8445460a9d0ffc860a370631e096a8a6f3682f3fc94Mark M. Hoffman pci_dev_put(d); 8451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENODEV; 8461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8488fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck 84917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare force_addr &= ~(SIS5595_EXTENT - 1); 85017e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare if (force_addr) { 85117e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare dev_warn(&dev->dev, "Forcing ISA address 0x%x\n", force_addr); 85217e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare pci_write_config_word(dev, SIS5595_BASE_REG, force_addr); 85317e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare } 85417e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare 8551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (PCIBIOS_SUCCESSFUL != 85617e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare pci_read_config_word(dev, SIS5595_BASE_REG, &address)) { 85717e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare dev_err(&dev->dev, "Failed to read ISA address\n"); 8581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENODEV; 85917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare } 8608fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck 86117e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare address &= ~(SIS5595_EXTENT - 1); 86217e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare if (!address) { 8638fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck dev_err(&dev->dev, 8648fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck "Base address not set - upgrade BIOS or use force_addr=0xaddr\n"); 8651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENODEV; 8661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 86717e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare if (force_addr && address != force_addr) { 86817e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare /* doesn't work for some chips? */ 86917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare dev_err(&dev->dev, "Failed to force ISA address\n"); 87017e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare return -ENODEV; 87117e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare } 8721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 87317e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare if (PCIBIOS_SUCCESSFUL != 87417e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare pci_read_config_byte(dev, SIS5595_ENABLE_REG, &enable)) { 87517e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare dev_err(&dev->dev, "Failed to read enable register\n"); 87617e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare return -ENODEV; 87717e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare } 87817e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare if (!(enable & 0x80)) { 87917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare if ((PCIBIOS_SUCCESSFUL != 88017e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare pci_write_config_byte(dev, SIS5595_ENABLE_REG, 88117e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare enable | 0x80)) 88217e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare || (PCIBIOS_SUCCESSFUL != 88317e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare pci_read_config_byte(dev, SIS5595_ENABLE_REG, &enable)) 88417e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare || (!(enable & 0x80))) { 88517e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare /* doesn't work for some chips! */ 88617e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare dev_err(&dev->dev, "Failed to enable HWM device\n"); 88717e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare return -ENODEV; 88817e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare } 8891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 89117e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare if (platform_driver_register(&sis5595_driver)) { 89217e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare dev_dbg(&dev->dev, "Failed to register sis5595 driver\n"); 89317e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare goto exit; 89417e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare } 89517e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare 89617e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare s_bridge = pci_dev_get(dev); 89717e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare /* Sets global pdev as a side effect */ 89817e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare if (sis5595_device_add(address)) 89917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare goto exit_unregister; 90017e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare 9018fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck /* 9028fda79ec8654afa98fb9bad04d1e08df853fe05eGuenter Roeck * Always return failure here. This is to allow other drivers to bind 9031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to this pci device. We don't really want to have control over the 9041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * pci device, we only wanted to read as few register values from it. 9051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 9061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENODEV; 90717e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare 90817e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvareexit_unregister: 90917e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare pci_dev_put(dev); 91017e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare platform_driver_unregister(&sis5595_driver); 91117e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvareexit: 91217e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare return -ENODEV; 9131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct pci_driver sis5595_pci_driver = { 9161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "sis5595", 9171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .id_table = sis5595_pci_ids, 9181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .probe = sis5595_pci_probe, 9191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 9201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __init sm_sis5595_init(void) 9221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return pci_register_driver(&sis5595_pci_driver); 9241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __exit sm_sis5595_exit(void) 9271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_unregister_driver(&sis5595_pci_driver); 9291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (s_bridge != NULL) { 93017e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare platform_device_unregister(pdev); 93117e7dc4373dfcf2a3058d307665263df29dd5fe7Jean Delvare platform_driver_unregister(&sis5595_driver); 9321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_dev_put(s_bridge); 9331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s_bridge = NULL; 9341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_AUTHOR("Aurelien Jarno <aurelien@aurel32.net>"); 9381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DESCRIPTION("SiS 5595 Sensor device"); 9391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 9401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_init(sm_sis5595_init); 9421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_exit(sm_sis5595_exit); 943