lm87.c revision 889af3d5d9586db795a06c619e416b4baee11da8
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> 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 2004 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 * 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is free software; you can redistribute it and/or modify 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * it under the terms of the GNU General Public License as published by 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the Free Software Foundation; either version 2 of the License, or 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (at your option) any later version. 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is distributed in the hope that it will be useful, 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * but WITHOUT ANY WARRANTY; without even the implied warranty of 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * GNU General Public License for more details. 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * You should have received a copy of the GNU General Public License 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * along with this program; if not, write to the Free Software 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/slab.h> 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/jiffies.h> 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/i2c.h> 60943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman#include <linux/hwmon.h> 61c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare#include <linux/hwmon-sysfs.h> 62303760b44a7a142cb9f4c9df4609fb63bbda98dbJean Delvare#include <linux/hwmon-vid.h> 63943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman#include <linux/err.h> 649a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar#include <linux/mutex.h> 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Addresses to scan 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * LM87 has three possible addresses: 0x2c, 0x2d and 0x2e. 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Insmod parameters 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 77f4b50261207c987913f076d867c2e154d71fd012Jean DelvareI2C_CLIENT_INSMOD_1(lm87); 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The LM87 registers 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* nr in 0..5 */ 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_IN(nr) (0x20 + (nr)) 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_IN_MAX(nr) (0x2B + (nr) * 2) 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_IN_MIN(nr) (0x2C + (nr) * 2) 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* nr in 0..1 */ 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_AIN(nr) (0x28 + (nr)) 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_AIN_MIN(nr) (0x1A + (nr)) 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_AIN_MAX(nr) (0x3B + (nr)) 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u8 LM87_REG_TEMP[3] = { 0x27, 0x26, 0x20 }; 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u8 LM87_REG_TEMP_HIGH[3] = { 0x39, 0x37, 0x2B }; 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u8 LM87_REG_TEMP_LOW[3] = { 0x3A, 0x38, 0x2C }; 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_TEMP_HW_INT_LOCK 0x13 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_TEMP_HW_EXT_LOCK 0x14 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_TEMP_HW_INT 0x17 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_TEMP_HW_EXT 0x18 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* nr in 0..1 */ 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_FAN(nr) (0x28 + (nr)) 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_FAN_MIN(nr) (0x3B + (nr)) 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_AOUT 0x19 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_CONFIG 0x40 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_CHANNEL_MODE 0x16 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_VID_FAN_DIV 0x47 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_VID4 0x49 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_ALARMS1 0x41 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_ALARMS2 0x42 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_COMPANY_ID 0x3E 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define LM87_REG_REVISION 0x3F 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Conversions and various macros 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The LM87 uses signed 8-bit values for temperatures. 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IN_FROM_REG(reg,scale) (((reg) * (scale) + 96) / 192) 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define IN_TO_REG(val,scale) ((val) <= 0 ? 0 : \ 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (val) * 192 >= (scale) * 255 ? 255 : \ 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((val) * 192 + (scale)/2) / (scale)) 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TEMP_FROM_REG(reg) ((reg) * 1000) 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TEMP_TO_REG(val) ((val) <= -127500 ? -128 : \ 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (val) >= 126500 ? 127 : \ 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (((val) < 0 ? (val)-500 : (val)+500) / 1000)) 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FAN_FROM_REG(reg,div) ((reg) == 255 || (reg) == 0 ? 0 : \ 133b965d4b7f614522170af6a7e450be0333792ccd2Jean Delvare (1350000 + (reg)*(div) / 2) / ((reg)*(div))) 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FAN_TO_REG(val,div) ((val)*(div) * 255 <= 1350000 ? 255 : \ 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (1350000 + (val)*(div) / 2) / ((val)*(div))) 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FAN_DIV_FROM_REG(reg) (1 << (reg)) 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* analog out is 9.80mV/LSB */ 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AOUT_FROM_REG(reg) (((reg) * 98 + 5) / 10) 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AOUT_TO_REG(val) ((val) <= 0 ? 0 : \ 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (val) >= 2500 ? 255 : \ 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((val) * 10 + 49) / 98) 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* nr in 0..1 */ 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CHAN_NO_FAN(nr) (1 << (nr)) 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CHAN_TEMP3 (1 << 2) 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CHAN_VCC_5V (1 << 3) 149889af3d5d9586db795a06c619e416b4baee11da8Jean Delvare#define CHAN_NO_VID (1 << 7) 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Functions declaration 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int lm87_attach_adapter(struct i2c_adapter *adapter); 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int lm87_detect(struct i2c_adapter *adapter, int address, int kind); 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void lm87_init_client(struct i2c_client *client); 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int lm87_detach_client(struct i2c_client *client); 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct lm87_data *lm87_update_device(struct device *dev); 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Driver data (common to all clients) 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct i2c_driver lm87_driver = { 166cdaf79349c7d24e1d33acb6497849c9e956a33eaLaurent Riffard .driver = { 167cdaf79349c7d24e1d33acb6497849c9e956a33eaLaurent Riffard .name = "lm87", 168cdaf79349c7d24e1d33acb6497849c9e956a33eaLaurent Riffard }, 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .id = I2C_DRIVERID_LM87, 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .attach_adapter = lm87_attach_adapter, 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .detach_client = lm87_detach_client, 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Client data (each client gets its own) 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct lm87_data { 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client client; 1801beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones struct device *hwmon_dev; 1819a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar struct mutex update_lock; 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char valid; /* zero until following fields are valid */ 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long last_updated; /* In jiffies */ 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 channel; /* register value */ 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 in[8]; /* register value */ 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 in_max[8]; /* register value */ 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 in_min[8]; /* register value */ 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 in_scale[8]; 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s8 temp[3]; /* register value */ 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s8 temp_high[3]; /* register value */ 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s8 temp_low[3]; /* register value */ 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s8 temp_crit_int; /* min of two register values */ 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s8 temp_crit_ext; /* min of two register values */ 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 fan[2]; /* register value */ 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 fan_min[2]; /* register value */ 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 fan_div[2]; /* register value, shifted right */ 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 aout; /* register value */ 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 alarms; /* register values, combined */ 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 vid; /* register values, combined */ 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 vrm; 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Sysfs stuff 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline int lm87_read_value(struct i2c_client *client, u8 reg) 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return i2c_smbus_read_byte_data(client, reg); 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline int lm87_write_value(struct i2c_client *client, u8 reg, u8 value) 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return i2c_smbus_write_byte_data(client, reg, value); 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define show_in(offset) \ 2238627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_in##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \ 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset], \ 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[offset])); \ 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 2298627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_in##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \ 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset], \ 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[offset])); \ 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 2358627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_in##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \ 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset], \ 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[offset])); \ 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(in##offset##_input, S_IRUGO, \ 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_in##offset##_input, NULL); 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(0); 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(1); 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(2); 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(3); 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(4); 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(5); 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(6); 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(7); 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void set_in_min(struct device *dev, const char *buf, int nr) 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds long val = simple_strtol(buf, NULL, 10); 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2589a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_min[nr] = IN_TO_REG(val, data->in_scale[nr]); 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, nr<6 ? LM87_REG_IN_MIN(nr) : 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_AIN_MIN(nr-6), data->in_min[nr]); 2629a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void set_in_max(struct device *dev, const char *buf, int nr) 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds long val = simple_strtol(buf, NULL, 10); 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2719a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_max[nr] = IN_TO_REG(val, data->in_scale[nr]); 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, nr<6 ? LM87_REG_IN_MAX(nr) : 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_AIN_MAX(nr-6), data->in_max[nr]); 2759a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define set_in(offset) \ 2798627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t set_in##offset##_min(struct device *dev, struct device_attribute *attr, \ 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const char *buf, size_t count) \ 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_in_min(dev, buf, offset); \ 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; \ 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 2858627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t set_in##offset##_max(struct device *dev, struct device_attribute *attr, \ 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const char *buf, size_t count) \ 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_in_max(dev, buf, offset); \ 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; \ 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_in##offset##_min, set_in##offset##_min); \ 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_in##offset##_max, set_in##offset##_max); 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(0); 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(1); 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(2); 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(3); 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(4); 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(5); 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(6); 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(7); 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define show_temp(offset) \ 3058627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_temp##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \ 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[offset-1])); \ 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 3108627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_temp##offset##_low(struct device *dev, struct device_attribute *attr, char *buf) \ 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_low[offset-1])); \ 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 3158627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_temp##offset##_high(struct device *dev, struct device_attribute *attr, char *buf) \ 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_high[offset-1])); \ 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}\ 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_temp##offset##_input, NULL); 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_temp(1); 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_temp(2); 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_temp(3); 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void set_temp_low(struct device *dev, const char *buf, int nr) 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds long val = simple_strtol(buf, NULL, 10); 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3329a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_low[nr] = TEMP_TO_REG(val); 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_TEMP_LOW[nr], data->temp_low[nr]); 3359a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void set_temp_high(struct device *dev, const char *buf, int nr) 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds long val = simple_strtol(buf, NULL, 10); 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3449a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_high[nr] = TEMP_TO_REG(val); 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_TEMP_HIGH[nr], data->temp_high[nr]); 3479a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define set_temp(offset) \ 3518627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t set_temp##offset##_low(struct device *dev, struct device_attribute *attr, \ 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const char *buf, size_t count) \ 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_temp_low(dev, buf, offset-1); \ 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; \ 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 3578627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t set_temp##offset##_high(struct device *dev, struct device_attribute *attr, \ 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const char *buf, size_t count) \ 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_temp_high(dev, buf, offset-1); \ 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; \ 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_temp##offset##_high, set_temp##offset##_high); \ 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \ 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_temp##offset##_low, set_temp##offset##_low); 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_temp(1); 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_temp(2); 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_temp(3); 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3718627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_temp_crit_int(struct device *dev, struct device_attribute *attr, char *buf) 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit_int)); 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3778627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_temp_crit_ext(struct device *dev, struct device_attribute *attr, char *buf) 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit_ext)); 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp1_crit, S_IRUGO, show_temp_crit_int, NULL); 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp_crit_ext, NULL); 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp3_crit, S_IRUGO, show_temp_crit_ext, NULL); 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define show_fan(offset) \ 3888627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_fan##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \ 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[offset-1], \ 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds FAN_DIV_FROM_REG(data->fan_div[offset-1]))); \ 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 3948627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_fan##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \ 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[offset-1], \ 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds FAN_DIV_FROM_REG(data->fan_div[offset-1]))); \ 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 4008627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_fan##offset##_div(struct device *dev, struct device_attribute *attr, char *buf) \ 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", FAN_DIV_FROM_REG(data->fan_div[offset-1])); \ 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fan##offset##_input, NULL); 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_fan(1); 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_fan(2); 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void set_fan_min(struct device *dev, const char *buf, int nr) 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds long val = simple_strtol(buf, NULL, 10); 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4169a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_min[nr] = FAN_TO_REG(val, 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds FAN_DIV_FROM_REG(data->fan_div[nr])); 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_FAN_MIN(nr), data->fan_min[nr]); 4209a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Note: we save and restore the fan minimum here, because its value is 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds determined in part by the fan clock divider. This follows the principle 425d6e05edc59ecd79e8badf440c0d295a979bdfa3eAndreas Mohr of least surprise; the user doesn't expect the fan minimum to change just 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds because the divider changed. */ 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t set_fan_div(struct device *dev, const char *buf, 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size_t count, int nr) 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds long val = simple_strtol(buf, NULL, 10); 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long min; 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 reg; 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4369a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds min = FAN_FROM_REG(data->fan_min[nr], 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds FAN_DIV_FROM_REG(data->fan_div[nr])); 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (val) { 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 1: data->fan_div[nr] = 0; break; 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 2: data->fan_div[nr] = 1; break; 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 4: data->fan_div[nr] = 2; break; 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: data->fan_div[nr] = 3; break; 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 4469a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = lm87_read_value(client, LM87_REG_VID_FAN_DIV); 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (nr) { 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0: 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = (reg & 0xCF) | (data->fan_div[0] << 4); 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 1: 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = (reg & 0x3F) | (data->fan_div[1] << 6); 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_VID_FAN_DIV, reg); 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_min[nr] = FAN_TO_REG(min, val); 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_FAN_MIN(nr), 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_min[nr]); 4649a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 4651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define set_fan(offset) \ 4708627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t set_fan##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \ 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size_t count) \ 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 4731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_fan_min(dev, buf, offset-1); \ 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; \ 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 4768627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t set_fan##offset##_div(struct device *dev, struct device_attribute *attr, const char *buf, \ 4771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size_t count) \ 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return set_fan_div(dev, buf, count, offset-1); \ 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fan##offset##_min, set_fan##offset##_min); \ 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fan##offset##_div, set_fan##offset##_div); 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_fan(1); 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_fan(2); 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4888627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", data->alarms); 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4958627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf) 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5028627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf) 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 50490d6619a916062cb75a176aacb318d108758b4a5Jean Delvare struct lm87_data *data = dev_get_drvdata(dev); 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", data->vrm); 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5078627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->vrm = simple_strtoul(buf, NULL, 10); 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm); 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5168627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t show_aout(struct device *dev, struct device_attribute *attr, char *buf) 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", AOUT_FROM_REG(data->aout)); 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5218627f9ba531269d8850919c62af1b017438e2e79Yani Ioannoustatic ssize_t set_aout(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) 5221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds long val = simple_strtol(buf, NULL, 10); 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5279a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->aout = AOUT_TO_REG(val); 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_AOUT, data->aout); 5309a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(aout_output, S_IRUGO | S_IWUSR, show_aout, set_aout); 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 535c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic ssize_t show_alarm(struct device *dev, struct device_attribute *attr, 536c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare char *buf) 537c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare{ 538c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare struct lm87_data *data = lm87_update_device(dev); 539c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare int bitnr = to_sensor_dev_attr(attr)->index; 540c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); 541c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare} 542c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); 543c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); 544c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); 545c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); 546c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8); 547c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9); 548c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 6); 549c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 7); 550c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4); 551c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5); 552c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 5); 553c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6); 554c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7); 555c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_alarm, NULL, 14); 556c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_alarm, NULL, 15); 557c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Real code 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int lm87_attach_adapter(struct i2c_adapter *adapter) 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(adapter->class & I2C_CLASS_HWMON)) 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 5662ed2dc3c116d26fc6a9384e83d136b15cc203b6cJean Delvare return i2c_probe(adapter, &addr_data, lm87_detect); 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5690501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffmanstatic struct attribute *lm87_attributes[] = { 5700501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in1_input.attr, 5710501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in1_min.attr, 5720501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in1_max.attr, 573c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in1_alarm.dev_attr.attr, 5740501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in2_input.attr, 5750501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in2_min.attr, 5760501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in2_max.attr, 577c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in2_alarm.dev_attr.attr, 5780501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in3_input.attr, 5790501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in3_min.attr, 5800501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in3_max.attr, 581c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in3_alarm.dev_attr.attr, 5820501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in4_input.attr, 5830501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in4_min.attr, 5840501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in4_max.attr, 585c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in4_alarm.dev_attr.attr, 5860501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 5870501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp1_input.attr, 5880501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp1_max.attr, 5890501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp1_min.attr, 5900501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp1_crit.attr, 591c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_temp1_alarm.dev_attr.attr, 5920501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp2_input.attr, 5930501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp2_max.attr, 5940501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp2_min.attr, 5950501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp2_crit.attr, 596c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_temp2_alarm.dev_attr.attr, 597c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_temp2_fault.dev_attr.attr, 5980501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 5990501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_alarms.attr, 6000501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_aout_output.attr, 6010501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6020501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman NULL 6030501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman}; 6040501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6050501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffmanstatic const struct attribute_group lm87_group = { 6060501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman .attrs = lm87_attributes, 6070501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman}; 6080501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6090501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffmanstatic struct attribute *lm87_attributes_opt[] = { 6100501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in6_input.attr, 6110501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in6_min.attr, 6120501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in6_max.attr, 613c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in6_alarm.dev_attr.attr, 6140501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6150501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan1_input.attr, 6160501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan1_min.attr, 6170501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan1_div.attr, 618c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_fan1_alarm.dev_attr.attr, 6190501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6200501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in7_input.attr, 6210501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in7_min.attr, 6220501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in7_max.attr, 623c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in7_alarm.dev_attr.attr, 6240501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6250501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan2_input.attr, 6260501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan2_min.attr, 6270501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan2_div.attr, 628c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_fan2_alarm.dev_attr.attr, 6290501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6300501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp3_input.attr, 6310501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp3_max.attr, 6320501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp3_min.attr, 6330501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp3_crit.attr, 634c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_temp3_alarm.dev_attr.attr, 635c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_temp3_fault.dev_attr.attr, 6360501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6370501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in0_input.attr, 6380501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in0_min.attr, 6390501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in0_max.attr, 640c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in0_alarm.dev_attr.attr, 6410501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in5_input.attr, 6420501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in5_min.attr, 6430501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in5_max.attr, 644c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in5_alarm.dev_attr.attr, 6450501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6460501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_cpu0_vid.attr, 6470501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_vrm.attr, 6480501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6490501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman NULL 6500501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman}; 6510501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6520501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffmanstatic const struct attribute_group lm87_group_opt = { 6530501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman .attrs = lm87_attributes_opt, 6540501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman}; 6550501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 6571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The following function does more than just detection. If detection 6581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * succeeds, it also registers the new chip. 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int lm87_detect(struct i2c_adapter *adapter, int address, int kind) 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *new_client; 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data; 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int err = 0; 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto exit; 6681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 669ba9c2e8d15da029ea3051c95e446b2d638ef02e2Deepak Saxena if (!(data = kzalloc(sizeof(struct lm87_data), GFP_KERNEL))) { 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = -ENOMEM; 6711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto exit; 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* The common I2C client data is placed right before the 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87-specific data. */ 6761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds new_client = &data->client; 6771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i2c_set_clientdata(new_client, data); 6781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds new_client->addr = address; 6791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds new_client->adapter = adapter; 6801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds new_client->driver = &lm87_driver; 6811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds new_client->flags = 0; 6821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Default to an LM87 if forced */ 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (kind == 0) 6851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kind = lm87; 6861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Now, we do the remaining detection. */ 6881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (kind < 0) { 6891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 rev = lm87_read_value(new_client, LM87_REG_REVISION); 6901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rev < 0x01 || rev > 0x08 6921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || (lm87_read_value(new_client, LM87_REG_CONFIG) & 0x80) 6931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || lm87_read_value(new_client, LM87_REG_COMPANY_ID) != 0x02) { 6941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_dbg(&adapter->dev, 6951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "LM87 detection failed at 0x%02x.\n", 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds address); 6971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto exit_free; 6981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* We can fill in the remaining client fields */ 7021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strlcpy(new_client->name, "lm87", I2C_NAME_SIZE); 7031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->valid = 0; 7049a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_init(&data->update_lock); 7051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Tell the I2C layer a new client has arrived */ 7071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((err = i2c_attach_client(new_client))) 7081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto exit_free; 7091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Initialize the LM87 chip */ 7111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_init_client(new_client); 7121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[0] = 2500; 7141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[1] = 2700; 7151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[2] = (data->channel & CHAN_VCC_5V) ? 5000 : 3300; 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[3] = 5000; 7171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[4] = 12000; 7181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[5] = 2700; 7191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[6] = 1875; 7201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[7] = 1875; 7211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Register sysfs hooks */ 7230501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman if ((err = sysfs_create_group(&new_client->dev.kobj, &lm87_group))) 724943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman goto exit_detach; 7251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data->channel & CHAN_NO_FAN(0)) { 7270501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman if ((err = device_create_file(&new_client->dev, 7280501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in6_input)) 7290501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 7300501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in6_min)) 7310501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 732c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &dev_attr_in6_max)) 733c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare || (err = device_create_file(&new_client->dev, 734c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in6_alarm.dev_attr))) 7350501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 7370501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman if ((err = device_create_file(&new_client->dev, 7380501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan1_input)) 7390501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 7400501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan1_min)) 7410501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 742c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &dev_attr_fan1_div)) 743c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare || (err = device_create_file(&new_client->dev, 744c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_fan1_alarm.dev_attr))) 7450501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 7461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7470501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 7481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data->channel & CHAN_NO_FAN(1)) { 7490501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman if ((err = device_create_file(&new_client->dev, 7500501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in7_input)) 7510501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 7520501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in7_min)) 7530501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 754c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &dev_attr_in7_max)) 755c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare || (err = device_create_file(&new_client->dev, 756c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in7_alarm.dev_attr))) 7570501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 7581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 7590501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman if ((err = device_create_file(&new_client->dev, 7600501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan2_input)) 7610501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 7620501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan2_min)) 7630501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 764c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &dev_attr_fan2_div)) 765c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare || (err = device_create_file(&new_client->dev, 766c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_fan2_alarm.dev_attr))) 7670501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 7681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data->channel & CHAN_TEMP3) { 7710501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman if ((err = device_create_file(&new_client->dev, 7720501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp3_input)) 7730501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 7740501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp3_max)) 7750501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 7760501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp3_min)) 7770501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 778c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &dev_attr_temp3_crit)) 779c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare || (err = device_create_file(&new_client->dev, 780c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_temp3_alarm.dev_attr)) 781c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare || (err = device_create_file(&new_client->dev, 782c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_temp3_fault.dev_attr))) 7830501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 7841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 7850501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman if ((err = device_create_file(&new_client->dev, 7860501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in0_input)) 7870501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 7880501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in0_min)) 7890501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 7900501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in0_max)) 7910501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 792c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in0_alarm.dev_attr)) 793c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare || (err = device_create_file(&new_client->dev, 7940501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in5_input)) 7950501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 7960501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in5_min)) 7970501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 798c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &dev_attr_in5_max)) 799c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare || (err = device_create_file(&new_client->dev, 800c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in5_alarm.dev_attr))) 8010501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 8021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(data->channel & CHAN_NO_VID)) { 8058a665a0552c414af88788cc0e2cf0e4626182c20Jean Delvare data->vrm = vid_which_vrm(); 8060501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman if ((err = device_create_file(&new_client->dev, 8070501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_cpu0_vid)) 8080501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman || (err = device_create_file(&new_client->dev, 8090501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_vrm))) 8100501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 8111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8131beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones data->hwmon_dev = hwmon_device_register(&new_client->dev); 8141beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones if (IS_ERR(data->hwmon_dev)) { 8151beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones err = PTR_ERR(data->hwmon_dev); 8160501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 8170501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman } 8181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 8201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8210501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffmanexit_remove: 8220501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman sysfs_remove_group(&new_client->dev.kobj, &lm87_group); 8230501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman sysfs_remove_group(&new_client->dev.kobj, &lm87_group_opt); 824943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffmanexit_detach: 825943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman i2c_detach_client(new_client); 8261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsexit_free: 8271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(data); 8281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsexit: 8291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 8301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void lm87_init_client(struct i2c_client *client) 8331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 8351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 config; 8361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->channel = lm87_read_value(client, LM87_REG_CHANNEL_MODE); 8381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds config = lm87_read_value(client, LM87_REG_CONFIG); 8401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(config & 0x01)) { 8411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 8421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Limits are left uninitialized after power-up */ 8441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 1; i < 6; i++) { 8451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_IN_MIN(i), 0x00); 8461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_IN_MAX(i), 0xFF); 8471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 2; i++) { 8491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_TEMP_HIGH[i], 0x7F); 8501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_TEMP_LOW[i], 0x00); 8511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_AIN_MIN(i), 0x00); 8521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_AIN_MAX(i), 0xFF); 8531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data->channel & CHAN_TEMP3) { 8551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_TEMP_HIGH[2], 0x7F); 8561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_TEMP_LOW[2], 0x00); 8571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 8581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_IN_MIN(0), 0x00); 8591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_IN_MAX(0), 0xFF); 8601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((config & 0x81) != 0x01) { 8631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Start monitoring */ 8641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_CONFIG, 8651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (config & 0xF7) | 0x01); 8661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int lm87_detach_client(struct i2c_client *client) 8701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 871943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman struct lm87_data *data = i2c_get_clientdata(client); 8721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int err; 8731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8741beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones hwmon_device_unregister(data->hwmon_dev); 8750501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman sysfs_remove_group(&client->dev.kobj, &lm87_group); 8760501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman sysfs_remove_group(&client->dev.kobj, &lm87_group_opt); 877943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman 8787bef559455fc71f66f8573cc1aafe1dd33966c1cJean Delvare if ((err = i2c_detach_client(client))) 8791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 8801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 881943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman kfree(data); 8821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 8831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct lm87_data *lm87_update_device(struct device *dev) 8861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 8881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 8891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8909a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 8911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { 8931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, j; 8941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_dbg(&client->dev, "Updating data.\n"); 8961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = (data->channel & CHAN_TEMP3) ? 1 : 0; 8981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds j = (data->channel & CHAN_TEMP3) ? 5 : 6; 8991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (; i < j; i++) { 9001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in[i] = lm87_read_value(client, 9011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_IN(i)); 9021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_min[i] = lm87_read_value(client, 9031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_IN_MIN(i)); 9041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_max[i] = lm87_read_value(client, 9051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_IN_MAX(i)); 9061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 2; i++) { 9091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data->channel & CHAN_NO_FAN(i)) { 9101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in[6+i] = lm87_read_value(client, 9111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_AIN(i)); 9121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_max[6+i] = lm87_read_value(client, 9131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_AIN_MAX(i)); 9141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_min[6+i] = lm87_read_value(client, 9151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_AIN_MIN(i)); 9161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 9181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan[i] = lm87_read_value(client, 9191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_FAN(i)); 9201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_min[i] = lm87_read_value(client, 9211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_FAN_MIN(i)); 9221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds j = (data->channel & CHAN_TEMP3) ? 3 : 2; 9261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0 ; i < j; i++) { 9271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp[i] = lm87_read_value(client, 9281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_TEMP[i]); 9291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_high[i] = lm87_read_value(client, 9301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_TEMP_HIGH[i]); 9311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_low[i] = lm87_read_value(client, 9321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_TEMP_LOW[i]); 9331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = lm87_read_value(client, LM87_REG_TEMP_HW_INT_LOCK); 9361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds j = lm87_read_value(client, LM87_REG_TEMP_HW_INT); 9371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_crit_int = min(i, j); 9381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = lm87_read_value(client, LM87_REG_TEMP_HW_EXT_LOCK); 9401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds j = lm87_read_value(client, LM87_REG_TEMP_HW_EXT); 9411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_crit_ext = min(i, j); 9421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = lm87_read_value(client, LM87_REG_VID_FAN_DIV); 9441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_div[0] = (i >> 4) & 0x03; 9451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_div[1] = (i >> 6) & 0x03; 9461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->vid = (i & 0x0F) 9471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | (lm87_read_value(client, LM87_REG_VID4) & 0x01) 9481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds << 4; 9491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->alarms = lm87_read_value(client, LM87_REG_ALARMS1) 9511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | (lm87_read_value(client, LM87_REG_ALARMS2) 9521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds << 8); 9531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->aout = lm87_read_value(client, LM87_REG_AOUT); 9541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->last_updated = jiffies; 9561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->valid = 1; 9571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9599a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 9601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return data; 9621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __init sensors_lm87_init(void) 9651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return i2c_add_driver(&lm87_driver); 9671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __exit sensors_lm87_exit(void) 9701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i2c_del_driver(&lm87_driver); 9721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_AUTHOR("Jean Delvare <khali@linux-fr.org> and others"); 9751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DESCRIPTION("LM87 driver"); 9761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 9771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_init(sensors_lm87_init); 9791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_exit(sensors_lm87_exit); 980