lm87.c revision 8f74efe81d122c071410fd74f42879ef81439fa4
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * lm87.c 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 2000 Frodo Looijaard <frodol@dds.nl> 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Philip Edelbrock <phil@netroedge.com> 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Stephen Rousset <stephen.rousset@rocketlogix.com> 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Dan Eaton <dan.eaton@rocketlogix.com> 8c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare * Copyright (C) 2004,2007 Jean Delvare <khali@linux-fr.org> 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Original port to Linux 2.6 by Jeff Oliver. 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The LM87 is a sensor chip made by National Semiconductor. It monitors up 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to 8 voltages (including its own power source), up to three temperatures 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (its own plus up to two external ones) and up to two fans. The default 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * configuration is 6 voltages, two temperatures and two fans (see below). 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Voltages are scaled internally with ratios such that the nominal value of 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * each voltage correspond to a register value of 192 (which means a 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * resolution of about 0.5% of the nominal value). Temperature values are 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * reported with a 1 deg resolution and a 3-4 deg accuracy. Complete 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * datasheet can be obtained from National's website at: 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * http://www.national.com/pf/LM/LM87.html 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Some functions share pins, so not all functions are available at the same 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * time. Which are depends on the hardware setup. This driver assumes that 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the BIOS configured the chip correctly. In that respect, it differs from 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the original driver (from lm_sensors for Linux 2.4), which would force the 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * LM87 to an arbitrary, compile-time chosen mode, regardless of the actual 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * chipset wiring. 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * For reference, here is the list of exclusive functions: 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - in0+in5 (default) or temp3 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - fan1 (default) or in6 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - fan2 (default) or in7 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - VID lines (default) or IRQ lines (not handled by this driver) 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The LM87 additionally features an analog output, supposedly usable to 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * control the speed of a fan. All new chips use pulse width modulation 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * instead. The LM87 is the only hardware monitoring chipset I know of 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * which uses amplitude modulation. Be careful when using this feature. 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 40c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare * This driver also supports the ADM1024, a sensor chip made by Analog 41c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare * Devices. That chip is fully compatible with the LM87. Complete 42c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare * datasheet can be obtained from Analog's website at: 43c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare * http://www.analog.com/en/prod/0,2877,ADM1024,00.html 44c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare * 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is free software; you can redistribute it and/or modify 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * it under the terms of the GNU General Public License as published by 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the Free Software Foundation; either version 2 of the License, or 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (at your option) any later version. 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is distributed in the hope that it will be useful, 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * but WITHOUT ANY WARRANTY; without even the implied warranty of 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * GNU General Public License for more details. 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * You should have received a copy of the GNU General Public License 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * along with this program; if not, write to the Free Software 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/slab.h> 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/jiffies.h> 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/i2c.h> 65943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman#include <linux/hwmon.h> 66c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare#include <linux/hwmon-sysfs.h> 67303760b44a7a142cb9f4c9df4609fb63bbda98dbJean Delvare#include <linux/hwmon-vid.h> 68943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman#include <linux/err.h> 699a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar#include <linux/mutex.h> 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Addresses to scan 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * LM87 has three possible addresses: 0x2c, 0x2d and 0x2e. 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Insmod parameters 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 82c7fa373796ea685874ca9525eeb3d0d0951e511bJean DelvareI2C_CLIENT_INSMOD_2(lm87, adm1024); 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The LM87 registers 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* nr in 0..5 */ 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_IN(nr) (0x20 + (nr)) 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_IN_MAX(nr) (0x2B + (nr) * 2) 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_IN_MIN(nr) (0x2C + (nr) * 2) 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* nr in 0..1 */ 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_AIN(nr) (0x28 + (nr)) 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_AIN_MIN(nr) (0x1A + (nr)) 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_AIN_MAX(nr) (0x3B + (nr)) 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u8 LM87_REG_TEMP[3] = { 0x27, 0x26, 0x20 }; 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u8 LM87_REG_TEMP_HIGH[3] = { 0x39, 0x37, 0x2B }; 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u8 LM87_REG_TEMP_LOW[3] = { 0x3A, 0x38, 0x2C }; 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_TEMP_HW_INT_LOCK 0x13 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_TEMP_HW_EXT_LOCK 0x14 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_TEMP_HW_INT 0x17 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_TEMP_HW_EXT 0x18 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* nr in 0..1 */ 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_FAN(nr) (0x28 + (nr)) 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_FAN_MIN(nr) (0x3B + (nr)) 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_AOUT 0x19 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_CONFIG 0x40 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_CHANNEL_MODE 0x16 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_VID_FAN_DIV 0x47 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_VID4 0x49 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_ALARMS1 0x41 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_ALARMS2 0x42 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_COMPANY_ID 0x3E 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_REVISION 0x3F 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Conversions and various macros 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The LM87 uses signed 8-bit values for temperatures. 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IN_FROM_REG(reg,scale) (((reg) * (scale) + 96) / 192) 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IN_TO_REG(val,scale) ((val) <= 0 ? 0 : \ 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (val) * 192 >= (scale) * 255 ? 255 : \ 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((val) * 192 + (scale)/2) / (scale)) 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TEMP_FROM_REG(reg) ((reg) * 1000) 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TEMP_TO_REG(val) ((val) <= -127500 ? -128 : \ 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (val) >= 126500 ? 127 : \ 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (((val) < 0 ? (val)-500 : (val)+500) / 1000)) 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FAN_FROM_REG(reg,div) ((reg) == 255 || (reg) == 0 ? 0 : \ 138b965d4b7f614522170af6a7e450be0333792ccd2Jean Delvare (1350000 + (reg)*(div) / 2) / ((reg)*(div))) 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FAN_TO_REG(val,div) ((val)*(div) * 255 <= 1350000 ? 255 : \ 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (1350000 + (val)*(div) / 2) / ((val)*(div))) 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FAN_DIV_FROM_REG(reg) (1 << (reg)) 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* analog out is 9.80mV/LSB */ 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AOUT_FROM_REG(reg) (((reg) * 98 + 5) / 10) 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AOUT_TO_REG(val) ((val) <= 0 ? 0 : \ 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (val) >= 2500 ? 255 : \ 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((val) * 10 + 49) / 98) 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* nr in 0..1 */ 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CHAN_NO_FAN(nr) (1 << (nr)) 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CHAN_TEMP3 (1 << 2) 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CHAN_VCC_5V (1 << 3) 154889af3d5d9586db795a06c619e416b4baee11da8Jean Delvare#define CHAN_NO_VID (1 << 7) 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Functions declaration 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int lm87_attach_adapter(struct i2c_adapter *adapter); 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int lm87_detect(struct i2c_adapter *adapter, int address, int kind); 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void lm87_init_client(struct i2c_client *client); 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int lm87_detach_client(struct i2c_client *client); 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct lm87_data *lm87_update_device(struct device *dev); 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Driver data (common to all clients) 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct i2c_driver lm87_driver = { 171cdaf79349c7d24e1d33acb6497849c9e956a33eaLaurent Riffard .driver = { 172cdaf79349c7d24e1d33acb6497849c9e956a33eaLaurent Riffard .name = "lm87", 173cdaf79349c7d24e1d33acb6497849c9e956a33eaLaurent Riffard }, 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .attach_adapter = lm87_attach_adapter, 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .detach_client = lm87_detach_client, 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Client data (each client gets its own) 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct lm87_data { 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client client; 1841beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones struct device *hwmon_dev; 1859a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar struct mutex update_lock; 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char valid; /* zero until following fields are valid */ 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long last_updated; /* In jiffies */ 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 channel; /* register value */ 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 in[8]; /* register value */ 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 in_max[8]; /* register value */ 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 in_min[8]; /* register value */ 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 in_scale[8]; 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s8 temp[3]; /* register value */ 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s8 temp_high[3]; /* register value */ 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s8 temp_low[3]; /* register value */ 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s8 temp_crit_int; /* min of two register values */ 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s8 temp_crit_ext; /* min of two register values */ 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 fan[2]; /* register value */ 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 fan_min[2]; /* register value */ 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 fan_div[2]; /* register value, shifted right */ 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 aout; /* register value */ 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 alarms; /* register values, combined */ 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 vid; /* register values, combined */ 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 vrm; 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Sysfs stuff 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline int lm87_read_value(struct i2c_client *client, u8 reg) 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return i2c_smbus_read_byte_data(client, reg); 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline int lm87_write_value(struct i2c_client *client, u8 reg, u8 value) 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return i2c_smbus_write_byte_data(client, reg, value); 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define show_in(offset) \ 2278627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_in##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \ 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset], \ 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[offset])); \ 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 2338627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_in##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \ 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset], \ 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[offset])); \ 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 2398627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_in##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \ 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset], \ 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[offset])); \ 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(in##offset##_input, S_IRUGO, \ 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_in##offset##_input, NULL); 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(0); 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(1); 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(2); 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(3); 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(4); 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(5); 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(6); 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(7); 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void set_in_min(struct device *dev, const char *buf, int nr) 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds long val = simple_strtol(buf, NULL, 10); 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2629a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_min[nr] = IN_TO_REG(val, data->in_scale[nr]); 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, nr<6 ? LM87_REG_IN_MIN(nr) : 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_AIN_MIN(nr-6), data->in_min[nr]); 2669a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void set_in_max(struct device *dev, const char *buf, int nr) 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds long val = simple_strtol(buf, NULL, 10); 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2759a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_max[nr] = IN_TO_REG(val, data->in_scale[nr]); 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, nr<6 ? LM87_REG_IN_MAX(nr) : 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_AIN_MAX(nr-6), data->in_max[nr]); 2799a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define set_in(offset) \ 2838627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t set_in##offset##_min(struct device *dev, struct device_attribute *attr, \ 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const char *buf, size_t count) \ 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_in_min(dev, buf, offset); \ 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; \ 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 2898627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t set_in##offset##_max(struct device *dev, struct device_attribute *attr, \ 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const char *buf, size_t count) \ 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_in_max(dev, buf, offset); \ 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; \ 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_in##offset##_min, set_in##offset##_min); \ 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_in##offset##_max, set_in##offset##_max); 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(0); 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(1); 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(2); 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(3); 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(4); 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(5); 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(6); 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(7); 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define show_temp(offset) \ 3098627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_temp##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \ 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[offset-1])); \ 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 3148627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_temp##offset##_low(struct device *dev, struct device_attribute *attr, char *buf) \ 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_low[offset-1])); \ 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 3198627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_temp##offset##_high(struct device *dev, struct device_attribute *attr, char *buf) \ 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_high[offset-1])); \ 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}\ 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_temp##offset##_input, NULL); 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_temp(1); 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_temp(2); 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_temp(3); 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void set_temp_low(struct device *dev, const char *buf, int nr) 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds long val = simple_strtol(buf, NULL, 10); 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3369a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_low[nr] = TEMP_TO_REG(val); 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_TEMP_LOW[nr], data->temp_low[nr]); 3399a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void set_temp_high(struct device *dev, const char *buf, int nr) 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds long val = simple_strtol(buf, NULL, 10); 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3489a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_high[nr] = TEMP_TO_REG(val); 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_TEMP_HIGH[nr], data->temp_high[nr]); 3519a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define set_temp(offset) \ 3558627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t set_temp##offset##_low(struct device *dev, struct device_attribute *attr, \ 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const char *buf, size_t count) \ 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_temp_low(dev, buf, offset-1); \ 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; \ 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 3618627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t set_temp##offset##_high(struct device *dev, struct device_attribute *attr, \ 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const char *buf, size_t count) \ 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_temp_high(dev, buf, offset-1); \ 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; \ 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_temp##offset##_high, set_temp##offset##_high); \ 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \ 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_temp##offset##_low, set_temp##offset##_low); 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_temp(1); 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_temp(2); 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_temp(3); 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3758627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_temp_crit_int(struct device *dev, struct device_attribute *attr, char *buf) 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit_int)); 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3818627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_temp_crit_ext(struct device *dev, struct device_attribute *attr, char *buf) 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit_ext)); 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp1_crit, S_IRUGO, show_temp_crit_int, NULL); 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp_crit_ext, NULL); 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp3_crit, S_IRUGO, show_temp_crit_ext, NULL); 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define show_fan(offset) \ 3928627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_fan##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \ 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[offset-1], \ 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds FAN_DIV_FROM_REG(data->fan_div[offset-1]))); \ 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 3988627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_fan##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \ 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 4001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[offset-1], \ 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds FAN_DIV_FROM_REG(data->fan_div[offset-1]))); \ 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 4048627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_fan##offset##_div(struct device *dev, struct device_attribute *attr, char *buf) \ 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", FAN_DIV_FROM_REG(data->fan_div[offset-1])); \ 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fan##offset##_input, NULL); 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_fan(1); 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_fan(2); 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void set_fan_min(struct device *dev, const char *buf, int nr) 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds long val = simple_strtol(buf, NULL, 10); 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4209a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_min[nr] = FAN_TO_REG(val, 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds FAN_DIV_FROM_REG(data->fan_div[nr])); 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_FAN_MIN(nr), data->fan_min[nr]); 4249a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Note: we save and restore the fan minimum here, because its value is 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds determined in part by the fan clock divider. This follows the principle 429d6e05edc59ecd79e8badf440c0d295a979bdfa3eAndreas Mohr of least surprise; the user doesn't expect the fan minimum to change just 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds because the divider changed. */ 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t set_fan_div(struct device *dev, const char *buf, 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size_t count, int nr) 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds long val = simple_strtol(buf, NULL, 10); 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long min; 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 reg; 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4409a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds min = FAN_FROM_REG(data->fan_min[nr], 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds FAN_DIV_FROM_REG(data->fan_div[nr])); 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (val) { 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 1: data->fan_div[nr] = 0; break; 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 2: data->fan_div[nr] = 1; break; 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 4: data->fan_div[nr] = 2; break; 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: data->fan_div[nr] = 3; break; 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 4509a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = lm87_read_value(client, LM87_REG_VID_FAN_DIV); 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (nr) { 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0: 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = (reg & 0xCF) | (data->fan_div[0] << 4); 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 1: 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = (reg & 0x3F) | (data->fan_div[1] << 6); 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_VID_FAN_DIV, reg); 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_min[nr] = FAN_TO_REG(min, val); 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_FAN_MIN(nr), 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_min[nr]); 4689a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define set_fan(offset) \ 4748627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t set_fan##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \ 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size_t count) \ 4761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 4771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_fan_min(dev, buf, offset-1); \ 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; \ 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 4808627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t set_fan##offset##_div(struct device *dev, struct device_attribute *attr, const char *buf, \ 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size_t count) \ 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return set_fan_div(dev, buf, count, offset-1); \ 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fan##offset##_min, set_fan##offset##_min); \ 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fan##offset##_div, set_fan##offset##_div); 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_fan(1); 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_fan(2); 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4928627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", data->alarms); 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4998627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf) 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5068627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf) 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 50890d6619a916062cb75a176aacb318d108758b4a5Jean Delvare struct lm87_data *data = dev_get_drvdata(dev); 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", data->vrm); 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5118627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5138f74efe81d122c071410fd74f42879ef81439fa4Jean Delvare struct lm87_data *data = dev_get_drvdata(dev); 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->vrm = simple_strtoul(buf, NULL, 10); 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm); 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5198627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_aout(struct device *dev, struct device_attribute *attr, char *buf) 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); 5221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", AOUT_FROM_REG(data->aout)); 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5248627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t set_aout(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds long val = simple_strtol(buf, NULL, 10); 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5309a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->aout = AOUT_TO_REG(val); 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_AOUT, data->aout); 5339a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(aout_output, S_IRUGO | S_IWUSR, show_aout, set_aout); 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 538c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic ssize_t show_alarm(struct device *dev, struct device_attribute *attr, 539c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare char *buf) 540c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare{ 541c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare struct lm87_data *data = lm87_update_device(dev); 542c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare int bitnr = to_sensor_dev_attr(attr)->index; 543c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); 544c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare} 545c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); 546c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); 547c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); 548c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); 549c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8); 550c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9); 551c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 6); 552c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 7); 553c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4); 554c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5); 555c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 5); 556c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6); 557c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7); 558c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_alarm, NULL, 14); 559c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_alarm, NULL, 15); 560c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Real code 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int lm87_attach_adapter(struct i2c_adapter *adapter) 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(adapter->class & I2C_CLASS_HWMON)) 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 5692ed2dc3c116d26fc6a9384e83d136b15cc203b6cJean Delvare return i2c_probe(adapter, &addr_data, lm87_detect); 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5720501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffmanstatic struct attribute *lm87_attributes[] = { 5730501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in1_input.attr, 5740501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in1_min.attr, 5750501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in1_max.attr, 576c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in1_alarm.dev_attr.attr, 5770501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in2_input.attr, 5780501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in2_min.attr, 5790501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in2_max.attr, 580c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in2_alarm.dev_attr.attr, 5810501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in3_input.attr, 5820501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in3_min.attr, 5830501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in3_max.attr, 584c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in3_alarm.dev_attr.attr, 5850501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in4_input.attr, 5860501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in4_min.attr, 5870501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in4_max.attr, 588c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in4_alarm.dev_attr.attr, 5890501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 5900501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp1_input.attr, 5910501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp1_max.attr, 5920501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp1_min.attr, 5930501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp1_crit.attr, 594c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_temp1_alarm.dev_attr.attr, 5950501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp2_input.attr, 5960501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp2_max.attr, 5970501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp2_min.attr, 5980501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp2_crit.attr, 599c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_temp2_alarm.dev_attr.attr, 600c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_temp2_fault.dev_attr.attr, 6010501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6020501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_alarms.attr, 6030501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_aout_output.attr, 6040501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6050501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman NULL 6060501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman}; 6070501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6080501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffmanstatic const struct attribute_group lm87_group = { 6090501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman .attrs = lm87_attributes, 6100501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman}; 6110501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6120501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffmanstatic struct attribute *lm87_attributes_opt[] = { 6130501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in6_input.attr, 6140501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in6_min.attr, 6150501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in6_max.attr, 616c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in6_alarm.dev_attr.attr, 6170501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6180501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan1_input.attr, 6190501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan1_min.attr, 6200501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan1_div.attr, 621c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_fan1_alarm.dev_attr.attr, 6220501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6230501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in7_input.attr, 6240501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in7_min.attr, 6250501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in7_max.attr, 626c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in7_alarm.dev_attr.attr, 6270501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6280501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan2_input.attr, 6290501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan2_min.attr, 6300501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan2_div.attr, 631c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_fan2_alarm.dev_attr.attr, 6320501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6330501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp3_input.attr, 6340501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp3_max.attr, 6350501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp3_min.attr, 6360501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp3_crit.attr, 637c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_temp3_alarm.dev_attr.attr, 638c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_temp3_fault.dev_attr.attr, 6390501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6400501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in0_input.attr, 6410501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in0_min.attr, 6420501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in0_max.attr, 643c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in0_alarm.dev_attr.attr, 6440501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in5_input.attr, 6450501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in5_min.attr, 6460501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in5_max.attr, 647c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in5_alarm.dev_attr.attr, 6480501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6490501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_cpu0_vid.attr, 6500501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_vrm.attr, 6510501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6520501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman NULL 6530501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman}; 6540501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6550501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffmanstatic const struct attribute_group lm87_group_opt = { 6560501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman .attrs = lm87_attributes_opt, 6570501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman}; 6580501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The following function does more than just detection. If detection 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * succeeds, it also registers the new chip. 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int lm87_detect(struct i2c_adapter *adapter, int address, int kind) 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *new_client; 6661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data; 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int err = 0; 668c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare static const char *names[] = { "lm87", "adm1024" }; 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 6711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto exit; 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 673ba9c2e8d15da029ea3051c95e446b2d638ef02e2Deepak Saxena if (!(data = kzalloc(sizeof(struct lm87_data), GFP_KERNEL))) { 6741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = -ENOMEM; 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto exit; 6761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* The common I2C client data is placed right before the 6791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87-specific data. */ 6801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds new_client = &data->client; 6811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i2c_set_clientdata(new_client, data); 6821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds new_client->addr = address; 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds new_client->adapter = adapter; 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds new_client->driver = &lm87_driver; 6851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds new_client->flags = 0; 6861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Default to an LM87 if forced */ 6881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (kind == 0) 6891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kind = lm87; 6901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Now, we do the remaining detection. */ 6921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (kind < 0) { 693c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare u8 cid = lm87_read_value(new_client, LM87_REG_COMPANY_ID); 6941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 rev = lm87_read_value(new_client, LM87_REG_REVISION); 6951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 696c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare if (cid == 0x02 /* National Semiconductor */ 697c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare && (rev >= 0x01 && rev <= 0x08)) 698c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare kind = lm87; 699c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare else if (cid == 0x41 /* Analog Devices */ 700c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare && (rev & 0xf0) == 0x10) 701c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare kind = adm1024; 702c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare 703c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare if (kind < 0 704c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare || (lm87_read_value(new_client, LM87_REG_CONFIG) & 0x80)) { 7051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_dbg(&adapter->dev, 7061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "LM87 detection failed at 0x%02x.\n", 7071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds address); 7081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto exit_free; 7091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* We can fill in the remaining client fields */ 713c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare strlcpy(new_client->name, names[kind - 1], I2C_NAME_SIZE); 7141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->valid = 0; 7159a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_init(&data->update_lock); 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Tell the I2C layer a new client has arrived */ 7181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((err = i2c_attach_client(new_client))) 7191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto exit_free; 7201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Initialize the LM87 chip */ 7221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_init_client(new_client); 7231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[0] = 2500; 7251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[1] = 2700; 7261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[2] = (data->channel & CHAN_VCC_5V) ? 5000 : 3300; 7271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[3] = 5000; 7281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[4] = 12000; 7291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[5] = 2700; 7301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[6] = 1875; 7311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[7] = 1875; 7321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Register sysfs hooks */ 7340501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman if ((err = sysfs_create_group(&new_client->dev.kobj, &lm87_group))) 735943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman goto exit_detach; 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data->channel & CHAN_NO_FAN(0)) { 7380501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman if ((err = device_create_file(&new_client->dev, 7390501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in6_input)) 7400501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 7410501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in6_min)) 7420501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 743c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &dev_attr_in6_max)) 744c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare || (err = device_create_file(&new_client->dev, 745c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in6_alarm.dev_attr))) 7460501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 7471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 7480501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman if ((err = device_create_file(&new_client->dev, 7490501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan1_input)) 7500501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 7510501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan1_min)) 7520501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 753c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &dev_attr_fan1_div)) 754c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare || (err = device_create_file(&new_client->dev, 755c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_fan1_alarm.dev_attr))) 7560501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 7571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7580501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 7591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data->channel & CHAN_NO_FAN(1)) { 7600501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman if ((err = device_create_file(&new_client->dev, 7610501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in7_input)) 7620501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 7630501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in7_min)) 7640501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 765c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &dev_attr_in7_max)) 766c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare || (err = device_create_file(&new_client->dev, 767c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in7_alarm.dev_attr))) 7680501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 7691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 7700501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman if ((err = device_create_file(&new_client->dev, 7710501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan2_input)) 7720501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 7730501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan2_min)) 7740501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 775c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &dev_attr_fan2_div)) 776c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare || (err = device_create_file(&new_client->dev, 777c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_fan2_alarm.dev_attr))) 7780501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 7791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data->channel & CHAN_TEMP3) { 7820501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman if ((err = device_create_file(&new_client->dev, 7830501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp3_input)) 7840501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 7850501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp3_max)) 7860501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 7870501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp3_min)) 7880501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 789c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &dev_attr_temp3_crit)) 790c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare || (err = device_create_file(&new_client->dev, 791c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_temp3_alarm.dev_attr)) 792c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare || (err = device_create_file(&new_client->dev, 793c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_temp3_fault.dev_attr))) 7940501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 7951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 7960501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman if ((err = device_create_file(&new_client->dev, 7970501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in0_input)) 7980501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 7990501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in0_min)) 8000501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 8010501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in0_max)) 8020501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 803c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in0_alarm.dev_attr)) 804c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare || (err = device_create_file(&new_client->dev, 8050501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in5_input)) 8060501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 8070501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in5_min)) 8080501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 809c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &dev_attr_in5_max)) 810c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare || (err = device_create_file(&new_client->dev, 811c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in5_alarm.dev_attr))) 8120501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 8131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(data->channel & CHAN_NO_VID)) { 8168a665a0552c414af88788cc0e2cf0e4626182c20Jean Delvare data->vrm = vid_which_vrm(); 8170501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman if ((err = device_create_file(&new_client->dev, 8180501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_cpu0_vid)) 8190501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 8200501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_vrm))) 8210501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 8221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8241beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones data->hwmon_dev = hwmon_device_register(&new_client->dev); 8251beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones if (IS_ERR(data->hwmon_dev)) { 8261beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones err = PTR_ERR(data->hwmon_dev); 8270501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 8280501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman } 8291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 8311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8320501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffmanexit_remove: 8330501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman sysfs_remove_group(&new_client->dev.kobj, &lm87_group); 8340501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman sysfs_remove_group(&new_client->dev.kobj, &lm87_group_opt); 835943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffmanexit_detach: 836943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman i2c_detach_client(new_client); 8371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsexit_free: 8381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(data); 8391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsexit: 8401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 8411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void lm87_init_client(struct i2c_client *client) 8441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 8461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 config; 8471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->channel = lm87_read_value(client, LM87_REG_CHANNEL_MODE); 8491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds config = lm87_read_value(client, LM87_REG_CONFIG); 8511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(config & 0x01)) { 8521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 8531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Limits are left uninitialized after power-up */ 8551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 1; i < 6; i++) { 8561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_IN_MIN(i), 0x00); 8571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_IN_MAX(i), 0xFF); 8581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 2; i++) { 8601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_TEMP_HIGH[i], 0x7F); 8611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_TEMP_LOW[i], 0x00); 8621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_AIN_MIN(i), 0x00); 8631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_AIN_MAX(i), 0xFF); 8641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data->channel & CHAN_TEMP3) { 8661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_TEMP_HIGH[2], 0x7F); 8671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_TEMP_LOW[2], 0x00); 8681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 8691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_IN_MIN(0), 0x00); 8701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_IN_MAX(0), 0xFF); 8711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((config & 0x81) != 0x01) { 8741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Start monitoring */ 8751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_CONFIG, 8761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (config & 0xF7) | 0x01); 8771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int lm87_detach_client(struct i2c_client *client) 8811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 882943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman struct lm87_data *data = i2c_get_clientdata(client); 8831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int err; 8841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8851beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones hwmon_device_unregister(data->hwmon_dev); 8860501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman sysfs_remove_group(&client->dev.kobj, &lm87_group); 8870501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman sysfs_remove_group(&client->dev.kobj, &lm87_group_opt); 888943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman 8897bef559455fc71f66f8573cc1aafe1dd33966c1cJean Delvare if ((err = i2c_detach_client(client))) 8901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 8911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 892943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman kfree(data); 8931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 8941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct lm87_data *lm87_update_device(struct device *dev) 8971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 8991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 9001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9019a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 9021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { 9041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, j; 9051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_dbg(&client->dev, "Updating data.\n"); 9071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = (data->channel & CHAN_TEMP3) ? 1 : 0; 9091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds j = (data->channel & CHAN_TEMP3) ? 5 : 6; 9101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (; i < j; i++) { 9111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in[i] = lm87_read_value(client, 9121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_IN(i)); 9131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_min[i] = lm87_read_value(client, 9141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_IN_MIN(i)); 9151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_max[i] = lm87_read_value(client, 9161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_IN_MAX(i)); 9171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 2; i++) { 9201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data->channel & CHAN_NO_FAN(i)) { 9211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in[6+i] = lm87_read_value(client, 9221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_AIN(i)); 9231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_max[6+i] = lm87_read_value(client, 9241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_AIN_MAX(i)); 9251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_min[6+i] = lm87_read_value(client, 9261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_AIN_MIN(i)); 9271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 9291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan[i] = lm87_read_value(client, 9301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_FAN(i)); 9311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_min[i] = lm87_read_value(client, 9321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_FAN_MIN(i)); 9331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds j = (data->channel & CHAN_TEMP3) ? 3 : 2; 9371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0 ; i < j; i++) { 9381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp[i] = lm87_read_value(client, 9391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_TEMP[i]); 9401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_high[i] = lm87_read_value(client, 9411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_TEMP_HIGH[i]); 9421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_low[i] = lm87_read_value(client, 9431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_TEMP_LOW[i]); 9441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = lm87_read_value(client, LM87_REG_TEMP_HW_INT_LOCK); 9471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds j = lm87_read_value(client, LM87_REG_TEMP_HW_INT); 9481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_crit_int = min(i, j); 9491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = lm87_read_value(client, LM87_REG_TEMP_HW_EXT_LOCK); 9511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds j = lm87_read_value(client, LM87_REG_TEMP_HW_EXT); 9521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_crit_ext = min(i, j); 9531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = lm87_read_value(client, LM87_REG_VID_FAN_DIV); 9551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_div[0] = (i >> 4) & 0x03; 9561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_div[1] = (i >> 6) & 0x03; 9571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->vid = (i & 0x0F) 9581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | (lm87_read_value(client, LM87_REG_VID4) & 0x01) 9591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds << 4; 9601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->alarms = lm87_read_value(client, LM87_REG_ALARMS1) 9621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | (lm87_read_value(client, LM87_REG_ALARMS2) 9631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds << 8); 9641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->aout = lm87_read_value(client, LM87_REG_AOUT); 9651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->last_updated = jiffies; 9671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->valid = 1; 9681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9709a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 9711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return data; 9731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __init sensors_lm87_init(void) 9761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return i2c_add_driver(&lm87_driver); 9781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __exit sensors_lm87_exit(void) 9811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i2c_del_driver(&lm87_driver); 9831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_AUTHOR("Jean Delvare <khali@linux-fr.org> and others"); 9861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DESCRIPTION("LM87 driver"); 9871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 9881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_init(sensors_lm87_init); 9901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_exit(sensors_lm87_exit); 991