lm87.c revision 073f1e6c895f256b1d7b535a97fe0ced98ac1615
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> 8a888420af07b9a26b6d518328baa913fb704e950Jean Delvare * Copyright (C) 2004-2008 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 2447064d645bc55863c7887a7c96cde39c9a37ee5fBen Hutchings * time. Which are depends on the hardware setup. This driver normally 2547064d645bc55863c7887a7c96cde39c9a37ee5fBen Hutchings * assumes that firmware configured the chip correctly. Where this is not 2647064d645bc55863c7887a7c96cde39c9a37ee5fBen Hutchings * the case, platform code must set the I2C client's platform_data to point 2747064d645bc55863c7887a7c96cde39c9a37ee5fBen Hutchings * to a u8 value to be written to the channel register. 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * For reference, here is the list of exclusive functions: 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - in0+in5 (default) or temp3 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - fan1 (default) or in6 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - fan2 (default) or in7 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - VID lines (default) or IRQ lines (not handled by this driver) 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The LM87 additionally features an analog output, supposedly usable to 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * control the speed of a fan. All new chips use pulse width modulation 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * instead. The LM87 is the only hardware monitoring chipset I know of 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * which uses amplitude modulation. Be careful when using this feature. 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 39c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare * This driver also supports the ADM1024, a sensor chip made by Analog 40c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare * Devices. That chip is fully compatible with the LM87. Complete 41c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare * datasheet can be obtained from Analog's website at: 42c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare * http://www.analog.com/en/prod/0,2877,ADM1024,00.html 43c7fa373796ea685874ca9525eeb3d0d0951e511bJean Delvare * 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is free software; you can redistribute it and/or modify 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * it under the terms of the GNU General Public License as published by 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the Free Software Foundation; either version 2 of the License, or 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (at your option) any later version. 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is distributed in the hope that it will be useful, 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * but WITHOUT ANY WARRANTY; without even the implied warranty of 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * GNU General Public License for more details. 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * You should have received a copy of the GNU General Public License 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * along with this program; if not, write to the Free Software 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/slab.h> 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/jiffies.h> 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/i2c.h> 64943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman#include <linux/hwmon.h> 65c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare#include <linux/hwmon-sysfs.h> 66303760b44a7a142cb9f4c9df4609fb63bbda98dbJean Delvare#include <linux/hwmon-vid.h> 67943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman#include <linux/err.h> 689a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar#include <linux/mutex.h> 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Addresses to scan 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * LM87 has three possible addresses: 0x2c, 0x2d and 0x2e. 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7525e9c86d5a6d82ea45eb680fc66bf73ac5e50dffMark M. Hoffmanstatic const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 77e5e9f44c246fbafe723e579e9fe887677beb40e4Jean Delvareenum chips { lm87, adm1024 }; 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 122c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck#define IN_FROM_REG(reg, scale) (((reg) * (scale) + 96) / 192) 123c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck#define IN_TO_REG(val, scale) ((val) <= 0 ? 0 : \ 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (val) * 192 >= (scale) * 255 ? 255 : \ 125c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck ((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 : \ 130c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck (((val) < 0 ? (val) - 500 : \ 131c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck (val) + 500) / 1000)) 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 133c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck#define FAN_FROM_REG(reg, div) ((reg) == 255 || (reg) == 0 ? 0 : \ 134c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck (1350000 + (reg)*(div) / 2) / ((reg) * (div))) 135c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck#define FAN_TO_REG(val, div) ((val) * (div) * 255 <= 1350000 ? 255 : \ 136c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck (1350000 + (val)*(div) / 2) / ((val) * (div))) 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FAN_DIV_FROM_REG(reg) (1 << (reg)) 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* analog out is 9.80mV/LSB */ 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AOUT_FROM_REG(reg) (((reg) * 98 + 5) / 10) 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AOUT_TO_REG(val) ((val) <= 0 ? 0 : \ 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (val) >= 2500 ? 255 : \ 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((val) * 10 + 49) / 98) 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* nr in 0..1 */ 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CHAN_NO_FAN(nr) (1 << (nr)) 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CHAN_TEMP3 (1 << 2) 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CHAN_VCC_5V (1 << 3) 150889af3d5d9586db795a06c619e416b4baee11da8Jean Delvare#define CHAN_NO_VID (1 << 7) 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Functions declaration 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 156a888420af07b9a26b6d518328baa913fb704e950Jean Delvarestatic int lm87_probe(struct i2c_client *client, 157a888420af07b9a26b6d518328baa913fb704e950Jean Delvare const struct i2c_device_id *id); 158310ec79210d754afe51e2e4a983e846b60179abdJean Delvarestatic int lm87_detect(struct i2c_client *new_client, 159a888420af07b9a26b6d518328baa913fb704e950Jean Delvare struct i2c_board_info *info); 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void lm87_init_client(struct i2c_client *client); 161a888420af07b9a26b6d518328baa913fb704e950Jean Delvarestatic int lm87_remove(struct i2c_client *client); 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct lm87_data *lm87_update_device(struct device *dev); 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Driver data (common to all clients) 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 168a888420af07b9a26b6d518328baa913fb704e950Jean Delvarestatic const struct i2c_device_id lm87_id[] = { 169a888420af07b9a26b6d518328baa913fb704e950Jean Delvare { "lm87", lm87 }, 170a888420af07b9a26b6d518328baa913fb704e950Jean Delvare { "adm1024", adm1024 }, 171a888420af07b9a26b6d518328baa913fb704e950Jean Delvare { } 172a888420af07b9a26b6d518328baa913fb704e950Jean Delvare}; 173a888420af07b9a26b6d518328baa913fb704e950Jean DelvareMODULE_DEVICE_TABLE(i2c, lm87_id); 174a888420af07b9a26b6d518328baa913fb704e950Jean Delvare 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct i2c_driver lm87_driver = { 176a888420af07b9a26b6d518328baa913fb704e950Jean Delvare .class = I2C_CLASS_HWMON, 177cdaf79349c7d24e1d33acb6497849c9e956a33eaLaurent Riffard .driver = { 178cdaf79349c7d24e1d33acb6497849c9e956a33eaLaurent Riffard .name = "lm87", 179cdaf79349c7d24e1d33acb6497849c9e956a33eaLaurent Riffard }, 180a888420af07b9a26b6d518328baa913fb704e950Jean Delvare .probe = lm87_probe, 181a888420af07b9a26b6d518328baa913fb704e950Jean Delvare .remove = lm87_remove, 182a888420af07b9a26b6d518328baa913fb704e950Jean Delvare .id_table = lm87_id, 183a888420af07b9a26b6d518328baa913fb704e950Jean Delvare .detect = lm87_detect, 184c3813d6af177fab19e322f3114b1f64fbcf08d71Jean Delvare .address_list = normal_i2c, 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Client data (each client gets its own) 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct lm87_data { 1921beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones struct device *hwmon_dev; 1939a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar struct mutex update_lock; 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char valid; /* zero until following fields are valid */ 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long last_updated; /* In jiffies */ 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 channel; /* register value */ 198d2cac802feae6f0c246a9251eefc482bf5ec0f0fBen Hutchings u8 config; /* original register value */ 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 in[8]; /* register value */ 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 in_max[8]; /* register value */ 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 in_min[8]; /* register value */ 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 in_scale[8]; 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s8 temp[3]; /* register value */ 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s8 temp_high[3]; /* register value */ 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s8 temp_low[3]; /* register value */ 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s8 temp_crit_int; /* min of two register values */ 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds s8 temp_crit_ext; /* min of two register values */ 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 fan[2]; /* register value */ 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 fan_min[2]; /* register value */ 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 fan_div[2]; /* register value, shifted right */ 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 aout; /* register value */ 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 alarms; /* register values, combined */ 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 vid; /* register values, combined */ 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 vrm; 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Sysfs stuff 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline int lm87_read_value(struct i2c_client *client, u8 reg) 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return i2c_smbus_read_byte_data(client, reg); 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic inline int lm87_write_value(struct i2c_client *client, u8 reg, u8 value) 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return i2c_smbus_write_byte_data(client, reg, value); 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define show_in(offset) \ 236c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t show_in##offset##_input(struct device *dev, \ 237c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck struct device_attribute *attr, \ 238c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck char *buf) \ 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset], \ 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[offset])); \ 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 244c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t show_in##offset##_min(struct device *dev, \ 245c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck struct device_attribute *attr, char *buf) \ 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset], \ 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[offset])); \ 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 251c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t show_in##offset##_max(struct device *dev, \ 252c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck struct device_attribute *attr, char *buf) \ 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset], \ 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[offset])); \ 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(in##offset##_input, S_IRUGO, \ 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_in##offset##_input, NULL); 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(0); 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(1); 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(2); 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(3); 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(4); 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(5); 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(6); 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in(7); 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 269c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t set_in_min(struct device *dev, const char *buf, int nr, 270c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck size_t count) 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 274c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck long val; 275c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck int err; 276c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck 277c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck err = kstrtol(buf, 10, &val); 278c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck if (err) 279c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return err; 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2819a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_min[nr] = IN_TO_REG(val, data->in_scale[nr]); 283c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck lm87_write_value(client, nr < 6 ? LM87_REG_IN_MIN(nr) : 284c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck LM87_REG_AIN_MIN(nr - 6), data->in_min[nr]); 2859a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 286c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return count; 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 289c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t set_in_max(struct device *dev, const char *buf, int nr, 290c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck size_t count) 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 294c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck long val; 295c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck int err; 296c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck 297c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck err = kstrtol(buf, 10, &val); 298c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck if (err) 299c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return err; 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3019a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_max[nr] = IN_TO_REG(val, data->in_scale[nr]); 303c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck lm87_write_value(client, nr < 6 ? LM87_REG_IN_MAX(nr) : 304c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck LM87_REG_AIN_MAX(nr - 6), data->in_max[nr]); 3059a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 306c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return count; 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define set_in(offset) \ 310c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t set_in##offset##_min(struct device *dev, \ 311c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck struct device_attribute *attr, \ 312c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck const char *buf, size_t count) \ 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 314c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return set_in_min(dev, buf, offset, count); \ 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 316c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t set_in##offset##_max(struct device *dev, \ 317c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck struct device_attribute *attr, \ 318c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck const char *buf, size_t count) \ 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 320c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return set_in_max(dev, buf, offset, count); \ 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_in##offset##_min, set_in##offset##_min); \ 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_in##offset##_max, set_in##offset##_max); 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(0); 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(1); 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(2); 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(3); 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(4); 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(5); 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(6); 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in(7); 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define show_temp(offset) \ 336c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t show_temp##offset##_input(struct device *dev, \ 337c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck struct device_attribute *attr, \ 338c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck char *buf) \ 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 341c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[offset - 1])); \ 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 343c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t show_temp##offset##_low(struct device *dev, \ 344c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck struct device_attribute *attr, \ 345c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck char *buf) \ 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 348c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return sprintf(buf, "%d\n", \ 349c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck TEMP_FROM_REG(data->temp_low[offset - 1])); \ 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 351c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t show_temp##offset##_high(struct device *dev, \ 352c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck struct device_attribute *attr, \ 353c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck char *buf) \ 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 356c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return sprintf(buf, "%d\n", \ 357c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck TEMP_FROM_REG(data->temp_high[offset - 1])); \ 358c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck} \ 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_temp##offset##_input, NULL); 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_temp(1); 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_temp(2); 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_temp(3); 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 365c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t set_temp_low(struct device *dev, const char *buf, int nr, 366c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck size_t count) 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 370c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck long val; 371c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck int err; 372c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck 373c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck err = kstrtol(buf, 10, &val); 374c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck if (err) 375c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return err; 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3779a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_low[nr] = TEMP_TO_REG(val); 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_TEMP_LOW[nr], data->temp_low[nr]); 3809a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 381c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return count; 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 384c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t set_temp_high(struct device *dev, const char *buf, int nr, 385c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck size_t count) 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 389c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck long val; 390c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck int err; 391c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck 392c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck err = kstrtol(buf, 10, &val); 393c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck if (err) 394c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return err; 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3969a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_high[nr] = TEMP_TO_REG(val); 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_TEMP_HIGH[nr], data->temp_high[nr]); 3999a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 400c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return count; 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define set_temp(offset) \ 404c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t set_temp##offset##_low(struct device *dev, \ 405c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck struct device_attribute *attr, \ 406c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck const char *buf, size_t count) \ 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 408c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return set_temp_low(dev, buf, offset - 1, count); \ 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 410c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t set_temp##offset##_high(struct device *dev, \ 411c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck struct device_attribute *attr, \ 412c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck const char *buf, size_t count) \ 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 414c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return set_temp_high(dev, buf, offset - 1, count); \ 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_temp##offset##_high, set_temp##offset##_high); \ 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \ 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_temp##offset##_low, set_temp##offset##_low); 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_temp(1); 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_temp(2); 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_temp(3); 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 424c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t show_temp_crit_int(struct device *dev, 425c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck struct device_attribute *attr, char *buf) 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit_int)); 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 431c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t show_temp_crit_ext(struct device *dev, 432c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck struct device_attribute *attr, char *buf) 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit_ext)); 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp1_crit, S_IRUGO, show_temp_crit_int, NULL); 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp_crit_ext, NULL); 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(temp3_crit, S_IRUGO, show_temp_crit_ext, NULL); 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define show_fan(offset) \ 443c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t show_fan##offset##_input(struct device *dev, \ 444c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck struct device_attribute *attr, \ 445c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck char *buf) \ 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 448c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[offset - 1], \ 449c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck FAN_DIV_FROM_REG(data->fan_div[offset - 1]))); \ 4501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 451c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t show_fan##offset##_min(struct device *dev, \ 452c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck struct device_attribute *attr, \ 453c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck char *buf) \ 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 456c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[offset - 1], \ 457c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck FAN_DIV_FROM_REG(data->fan_div[offset - 1]))); \ 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 459c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t show_fan##offset##_div(struct device *dev, \ 460c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck struct device_attribute *attr, \ 461c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck char *buf) \ 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); \ 464c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return sprintf(buf, "%d\n", \ 465c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck FAN_DIV_FROM_REG(data->fan_div[offset - 1])); \ 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fan##offset##_input, NULL); 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_fan(1); 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_fan(2); 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 472c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t set_fan_min(struct device *dev, const char *buf, int nr, 473c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck size_t count) 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 4761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 477c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck long val; 478c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck int err; 479c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck 480c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck err = kstrtol(buf, 10, &val); 481c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck if (err) 482c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return err; 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4849a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_min[nr] = FAN_TO_REG(val, 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds FAN_DIV_FROM_REG(data->fan_div[nr])); 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_FAN_MIN(nr), data->fan_min[nr]); 4889a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 489c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return count; 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 492c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck/* 493c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck * Note: we save and restore the fan minimum here, because its value is 494c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck * determined in part by the fan clock divider. This follows the principle 495c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck * of least surprise; the user doesn't expect the fan minimum to change just 496c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck * because the divider changed. 497c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck */ 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic ssize_t set_fan_div(struct device *dev, const char *buf, 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds size_t count, int nr) 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 503c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck long val; 504c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck int err; 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long min; 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 reg; 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 508c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck err = kstrtol(buf, 10, &val); 509c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck if (err) 510c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return err; 511c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck 5129a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds min = FAN_FROM_REG(data->fan_min[nr], 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds FAN_DIV_FROM_REG(data->fan_div[nr])); 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (val) { 517c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck case 1: 518c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck data->fan_div[nr] = 0; 519c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck break; 520c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck case 2: 521c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck data->fan_div[nr] = 1; 522c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck break; 523c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck case 4: 524c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck data->fan_div[nr] = 2; 525c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck break; 526c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck case 8: 527c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck data->fan_div[nr] = 3; 528c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck break; 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 5309a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = lm87_read_value(client, LM87_REG_VID_FAN_DIV); 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (nr) { 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0: 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = (reg & 0xCF) | (data->fan_div[0] << 4); 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 1: 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = (reg & 0x3F) | (data->fan_div[1] << 6); 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_VID_FAN_DIV, reg); 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_min[nr] = FAN_TO_REG(min, val); 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_FAN_MIN(nr), 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_min[nr]); 5489a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define set_fan(offset) \ 554c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t set_fan##offset##_min(struct device *dev, \ 555c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck struct device_attribute *attr, \ 556c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck const char *buf, size_t count) \ 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 558c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return set_fan_min(dev, buf, offset - 1, count); \ 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 560c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t set_fan##offset##_div(struct device *dev, \ 561c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck struct device_attribute *attr, \ 562c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck const char *buf, size_t count) \ 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 564c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return set_fan_div(dev, buf, count, offset - 1); \ 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} \ 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fan##offset##_min, set_fan##offset##_min); \ 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_fan##offset##_div, set_fan##offset##_div); 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_fan(1); 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_fan(2); 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 573c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t show_alarms(struct device *dev, struct device_attribute *attr, 574c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck char *buf) 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", data->alarms); 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 581c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t show_vid(struct device *dev, struct device_attribute *attr, 582c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck char *buf) 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 589c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t show_vrm(struct device *dev, struct device_attribute *attr, 590c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck char *buf) 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 59290d6619a916062cb75a176aacb318d108758b4a5Jean Delvare struct lm87_data *data = dev_get_drvdata(dev); 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", data->vrm); 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 595c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t set_vrm(struct device *dev, struct device_attribute *attr, 596c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck const char *buf, size_t count) 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5988f74efe81d122c071410fd74f42879ef81439fa4Jean Delvare struct lm87_data *data = dev_get_drvdata(dev); 599c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck unsigned long val; 600c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck int err; 601c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck 602c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck err = kstrtoul(buf, 10, &val); 603c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck if (err) 604c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return err; 605c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck data->vrm = val; 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 6071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm); 6091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 610c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t show_aout(struct device *dev, struct device_attribute *attr, 611c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck char *buf) 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = lm87_update_device(dev); 6141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", AOUT_FROM_REG(data->aout)); 6151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 616c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeckstatic ssize_t set_aout(struct device *dev, struct device_attribute *attr, 617c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck const char *buf, size_t count) 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 6201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 621c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck long val; 622c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck int err; 623c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck 624c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck err = kstrtol(buf, 10, &val); 625c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck if (err) 626c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck return err; 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6289a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->aout = AOUT_TO_REG(val); 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_AOUT, data->aout); 6319a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 6321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(aout_output, S_IRUGO | S_IWUSR, show_aout, set_aout); 6351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 636c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic ssize_t show_alarm(struct device *dev, struct device_attribute *attr, 637c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare char *buf) 638c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare{ 639c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare struct lm87_data *data = lm87_update_device(dev); 640c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare int bitnr = to_sensor_dev_attr(attr)->index; 641c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); 642c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare} 643c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); 644c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); 645c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); 646c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); 647c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8); 648c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9); 649c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 6); 650c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 7); 651c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4); 652c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5); 653c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 5); 654c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6); 655c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7); 656c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_alarm, NULL, 14); 657c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvarestatic SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_alarm, NULL, 15); 658c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Real code 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6630501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffmanstatic struct attribute *lm87_attributes[] = { 6640501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in1_input.attr, 6650501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in1_min.attr, 6660501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in1_max.attr, 667c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in1_alarm.dev_attr.attr, 6680501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in2_input.attr, 6690501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in2_min.attr, 6700501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in2_max.attr, 671c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in2_alarm.dev_attr.attr, 6720501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in3_input.attr, 6730501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in3_min.attr, 6740501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in3_max.attr, 675c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in3_alarm.dev_attr.attr, 6760501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in4_input.attr, 6770501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in4_min.attr, 6780501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in4_max.attr, 679c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in4_alarm.dev_attr.attr, 6800501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6810501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp1_input.attr, 6820501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp1_max.attr, 6830501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp1_min.attr, 6840501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp1_crit.attr, 685c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_temp1_alarm.dev_attr.attr, 6860501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp2_input.attr, 6870501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp2_max.attr, 6880501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp2_min.attr, 6890501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp2_crit.attr, 690c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_temp2_alarm.dev_attr.attr, 691c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_temp2_fault.dev_attr.attr, 6920501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6930501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_alarms.attr, 6940501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_aout_output.attr, 6950501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6960501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman NULL 6970501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman}; 6980501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 6990501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffmanstatic const struct attribute_group lm87_group = { 7000501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman .attrs = lm87_attributes, 7010501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman}; 7020501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 703073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeckstatic struct attribute *lm87_attributes_in6[] = { 7040501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in6_input.attr, 7050501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in6_min.attr, 7060501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in6_max.attr, 707c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in6_alarm.dev_attr.attr, 708073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck NULL 709073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck}; 710073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck 711073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeckstatic const struct attribute_group lm87_group_in6 = { 712073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck .attrs = lm87_attributes_in6, 713073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck}; 7140501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 715073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeckstatic struct attribute *lm87_attributes_fan1[] = { 7160501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan1_input.attr, 7170501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan1_min.attr, 7180501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan1_div.attr, 719c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_fan1_alarm.dev_attr.attr, 720073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck NULL 721073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck}; 722073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck 723073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeckstatic const struct attribute_group lm87_group_fan1 = { 724073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck .attrs = lm87_attributes_fan1, 725073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck}; 7260501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 727073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeckstatic struct attribute *lm87_attributes_in7[] = { 7280501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in7_input.attr, 7290501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in7_min.attr, 7300501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in7_max.attr, 731c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in7_alarm.dev_attr.attr, 732073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck NULL 733073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck}; 7340501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 735073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeckstatic const struct attribute_group lm87_group_in7 = { 736073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck .attrs = lm87_attributes_in7, 737073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck}; 738073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck 739073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeckstatic struct attribute *lm87_attributes_fan2[] = { 7400501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan2_input.attr, 7410501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan2_min.attr, 7420501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_fan2_div.attr, 743c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_fan2_alarm.dev_attr.attr, 744073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck NULL 745073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck}; 7460501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 747073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeckstatic const struct attribute_group lm87_group_fan2 = { 748073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck .attrs = lm87_attributes_fan2, 749073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck}; 750073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck 751073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeckstatic struct attribute *lm87_attributes_temp3[] = { 7520501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp3_input.attr, 7530501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp3_max.attr, 7540501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp3_min.attr, 7550501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_temp3_crit.attr, 756c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_temp3_alarm.dev_attr.attr, 757c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_temp3_fault.dev_attr.attr, 758073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck NULL 759073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck}; 7600501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 761073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeckstatic const struct attribute_group lm87_group_temp3 = { 762073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck .attrs = lm87_attributes_temp3, 763073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck}; 764073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck 765073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeckstatic struct attribute *lm87_attributes_in0_5[] = { 7660501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in0_input.attr, 7670501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in0_min.attr, 7680501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in0_max.attr, 769c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in0_alarm.dev_attr.attr, 7700501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in5_input.attr, 7710501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in5_min.attr, 7720501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_in5_max.attr, 773c2803b98557c10464f3a1fc65f56d0c8c01991bdJean Delvare &sensor_dev_attr_in5_alarm.dev_attr.attr, 774073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck NULL 775073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck}; 776073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck 777073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeckstatic const struct attribute_group lm87_group_in0_5 = { 778073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck .attrs = lm87_attributes_in0_5, 779073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck}; 7800501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 781073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeckstatic struct attribute *lm87_attributes_vid[] = { 7820501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_cpu0_vid.attr, 7830501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman &dev_attr_vrm.attr, 7840501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman NULL 7850501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman}; 7860501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 787073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeckstatic const struct attribute_group lm87_group_vid = { 788073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck .attrs = lm87_attributes_vid, 7890501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman}; 7900501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 791a888420af07b9a26b6d518328baa913fb704e950Jean Delvare/* Return 0 if detection is successful, -ENODEV otherwise */ 792310ec79210d754afe51e2e4a983e846b60179abdJean Delvarestatic int lm87_detect(struct i2c_client *new_client, 793a888420af07b9a26b6d518328baa913fb704e950Jean Delvare struct i2c_board_info *info) 7941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 795a888420af07b9a26b6d518328baa913fb704e950Jean Delvare struct i2c_adapter *adapter = new_client->adapter; 79652df6440a29123eed912183fe785bbe174ef14b9Jean Delvare const char *name; 79752df6440a29123eed912183fe785bbe174ef14b9Jean Delvare u8 cid, rev; 7981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 800a888420af07b9a26b6d518328baa913fb704e950Jean Delvare return -ENODEV; 8011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 80252df6440a29123eed912183fe785bbe174ef14b9Jean Delvare if (lm87_read_value(new_client, LM87_REG_CONFIG) & 0x80) 80352df6440a29123eed912183fe785bbe174ef14b9Jean Delvare return -ENODEV; 8041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Now, we do the remaining detection. */ 80652df6440a29123eed912183fe785bbe174ef14b9Jean Delvare cid = lm87_read_value(new_client, LM87_REG_COMPANY_ID); 80752df6440a29123eed912183fe785bbe174ef14b9Jean Delvare rev = lm87_read_value(new_client, LM87_REG_REVISION); 80852df6440a29123eed912183fe785bbe174ef14b9Jean Delvare 80952df6440a29123eed912183fe785bbe174ef14b9Jean Delvare if (cid == 0x02 /* National Semiconductor */ 81052df6440a29123eed912183fe785bbe174ef14b9Jean Delvare && (rev >= 0x01 && rev <= 0x08)) 81152df6440a29123eed912183fe785bbe174ef14b9Jean Delvare name = "lm87"; 81252df6440a29123eed912183fe785bbe174ef14b9Jean Delvare else if (cid == 0x41 /* Analog Devices */ 81352df6440a29123eed912183fe785bbe174ef14b9Jean Delvare && (rev & 0xf0) == 0x10) 81452df6440a29123eed912183fe785bbe174ef14b9Jean Delvare name = "adm1024"; 81552df6440a29123eed912183fe785bbe174ef14b9Jean Delvare else { 81652df6440a29123eed912183fe785bbe174ef14b9Jean Delvare dev_dbg(&adapter->dev, "LM87 detection failed at 0x%02x\n", 81752df6440a29123eed912183fe785bbe174ef14b9Jean Delvare new_client->addr); 81852df6440a29123eed912183fe785bbe174ef14b9Jean Delvare return -ENODEV; 8191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 82152df6440a29123eed912183fe785bbe174ef14b9Jean Delvare strlcpy(info->type, name, I2C_NAME_SIZE); 822a888420af07b9a26b6d518328baa913fb704e950Jean Delvare 823a888420af07b9a26b6d518328baa913fb704e950Jean Delvare return 0; 824a888420af07b9a26b6d518328baa913fb704e950Jean Delvare} 825a888420af07b9a26b6d518328baa913fb704e950Jean Delvare 826073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeckstatic void lm87_remove_files(struct i2c_client *client) 827073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck{ 828073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck struct device *dev = &client->dev; 829073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck 830073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck sysfs_remove_group(&dev->kobj, &lm87_group); 831073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck sysfs_remove_group(&dev->kobj, &lm87_group_in6); 832073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck sysfs_remove_group(&dev->kobj, &lm87_group_fan1); 833073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck sysfs_remove_group(&dev->kobj, &lm87_group_in7); 834073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck sysfs_remove_group(&dev->kobj, &lm87_group_fan2); 835073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck sysfs_remove_group(&dev->kobj, &lm87_group_temp3); 836073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck sysfs_remove_group(&dev->kobj, &lm87_group_in0_5); 837073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck sysfs_remove_group(&dev->kobj, &lm87_group_vid); 838073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck} 839073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck 840a888420af07b9a26b6d518328baa913fb704e950Jean Delvarestatic int lm87_probe(struct i2c_client *new_client, 841a888420af07b9a26b6d518328baa913fb704e950Jean Delvare const struct i2c_device_id *id) 842a888420af07b9a26b6d518328baa913fb704e950Jean Delvare{ 843a888420af07b9a26b6d518328baa913fb704e950Jean Delvare struct lm87_data *data; 844a888420af07b9a26b6d518328baa913fb704e950Jean Delvare int err; 845a888420af07b9a26b6d518328baa913fb704e950Jean Delvare 846a888420af07b9a26b6d518328baa913fb704e950Jean Delvare data = kzalloc(sizeof(struct lm87_data), GFP_KERNEL); 847a888420af07b9a26b6d518328baa913fb704e950Jean Delvare if (!data) { 848a888420af07b9a26b6d518328baa913fb704e950Jean Delvare err = -ENOMEM; 849a888420af07b9a26b6d518328baa913fb704e950Jean Delvare goto exit; 850a888420af07b9a26b6d518328baa913fb704e950Jean Delvare } 851a888420af07b9a26b6d518328baa913fb704e950Jean Delvare 852a888420af07b9a26b6d518328baa913fb704e950Jean Delvare i2c_set_clientdata(new_client, data); 8531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->valid = 0; 8549a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_init(&data->update_lock); 8551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Initialize the LM87 chip */ 8571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_init_client(new_client); 8581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[0] = 2500; 8601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[1] = 2700; 8611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[2] = (data->channel & CHAN_VCC_5V) ? 5000 : 3300; 8621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[3] = 5000; 8631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[4] = 12000; 8641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[5] = 2700; 8651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[6] = 1875; 8661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_scale[7] = 1875; 8671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Register sysfs hooks */ 869c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck err = sysfs_create_group(&new_client->dev.kobj, &lm87_group); 870c6370dbe45278db0ebebc377c0a6143b7c488379Guenter Roeck if (err) 871a888420af07b9a26b6d518328baa913fb704e950Jean Delvare goto exit_free; 8721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data->channel & CHAN_NO_FAN(0)) { 874073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck err = sysfs_create_group(&new_client->dev.kobj, 875073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck &lm87_group_in6); 876073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck if (err) 8770501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 8781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 879073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck err = sysfs_create_group(&new_client->dev.kobj, 880073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck &lm87_group_fan1); 881073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck if (err) 8820501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 8831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8840501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman 8851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data->channel & CHAN_NO_FAN(1)) { 886073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck err = sysfs_create_group(&new_client->dev.kobj, 887073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck &lm87_group_in7); 888073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck if (err) 8890501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 8901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 891073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck err = sysfs_create_group(&new_client->dev.kobj, 892073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck &lm87_group_fan2); 893073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck if (err) 8940501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 8951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data->channel & CHAN_TEMP3) { 898073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck err = sysfs_create_group(&new_client->dev.kobj, 899073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck &lm87_group_temp3); 900073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck if (err) 9010501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 9021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 903073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck err = sysfs_create_group(&new_client->dev.kobj, 904073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck &lm87_group_in0_5); 905073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck if (err) 9060501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 9071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(data->channel & CHAN_NO_VID)) { 9108a665a0552c414af88788cc0e2cf0e4626182c20Jean Delvare data->vrm = vid_which_vrm(); 911073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck err = sysfs_create_group(&new_client->dev.kobj, 912073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck &lm87_group_vid); 913073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck if (err) 9140501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 9151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9171beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones data->hwmon_dev = hwmon_device_register(&new_client->dev); 9181beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones if (IS_ERR(data->hwmon_dev)) { 9191beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones err = PTR_ERR(data->hwmon_dev); 9200501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman goto exit_remove; 9210501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffman } 9221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 9241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9250501a3816e5b778830fc2157a6d6bb11a965fc2cMark M. Hoffmanexit_remove: 926073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck lm87_remove_files(new_client); 9271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsexit_free: 928d2cac802feae6f0c246a9251eefc482bf5ec0f0fBen Hutchings lm87_write_value(new_client, LM87_REG_CONFIG, data->config); 9291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(data); 9301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsexit: 9311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 9321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void lm87_init_client(struct i2c_client *client) 9351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 9371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 93847064d645bc55863c7887a7c96cde39c9a37ee5fBen Hutchings if (client->dev.platform_data) { 93947064d645bc55863c7887a7c96cde39c9a37ee5fBen Hutchings data->channel = *(u8 *)client->dev.platform_data; 94047064d645bc55863c7887a7c96cde39c9a37ee5fBen Hutchings lm87_write_value(client, 94147064d645bc55863c7887a7c96cde39c9a37ee5fBen Hutchings LM87_REG_CHANNEL_MODE, data->channel); 94247064d645bc55863c7887a7c96cde39c9a37ee5fBen Hutchings } else { 94347064d645bc55863c7887a7c96cde39c9a37ee5fBen Hutchings data->channel = lm87_read_value(client, LM87_REG_CHANNEL_MODE); 94447064d645bc55863c7887a7c96cde39c9a37ee5fBen Hutchings } 945d2cac802feae6f0c246a9251eefc482bf5ec0f0fBen Hutchings data->config = lm87_read_value(client, LM87_REG_CONFIG) & 0x6F; 9461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 947d2cac802feae6f0c246a9251eefc482bf5ec0f0fBen Hutchings if (!(data->config & 0x01)) { 9481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 9491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Limits are left uninitialized after power-up */ 9511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 1; i < 6; i++) { 9521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_IN_MIN(i), 0x00); 9531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_IN_MAX(i), 0xFF); 9541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 2; i++) { 9561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_TEMP_HIGH[i], 0x7F); 9571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_TEMP_LOW[i], 0x00); 9581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_AIN_MIN(i), 0x00); 9591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_AIN_MAX(i), 0xFF); 9601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data->channel & CHAN_TEMP3) { 9621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_TEMP_HIGH[2], 0x7F); 9631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_TEMP_LOW[2], 0x00); 9641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 9651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_IN_MIN(0), 0x00); 9661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_IN_MAX(0), 0xFF); 9671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 96949ae6cc8005f45edadf237089c31885834f2608eBen Hutchings 97049ae6cc8005f45edadf237089c31885834f2608eBen Hutchings /* Make sure Start is set and INT#_Clear is clear */ 971d2cac802feae6f0c246a9251eefc482bf5ec0f0fBen Hutchings if ((data->config & 0x09) != 0x01) 9721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds lm87_write_value(client, LM87_REG_CONFIG, 973d2cac802feae6f0c246a9251eefc482bf5ec0f0fBen Hutchings (data->config & 0x77) | 0x01); 9741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 976a888420af07b9a26b6d518328baa913fb704e950Jean Delvarestatic int lm87_remove(struct i2c_client *client) 9771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 978943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman struct lm87_data *data = i2c_get_clientdata(client); 9791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9801beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones hwmon_device_unregister(data->hwmon_dev); 981073f1e6c895f256b1d7b535a97fe0ced98ac1615Guenter Roeck lm87_remove_files(client); 982943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman 983d2cac802feae6f0c246a9251eefc482bf5ec0f0fBen Hutchings lm87_write_value(client, LM87_REG_CONFIG, data->config); 984943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman kfree(data); 9851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 9861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct lm87_data *lm87_update_device(struct device *dev) 9891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 9911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct lm87_data *data = i2c_get_clientdata(client); 9921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9939a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 9941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { 9961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, j; 9971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_dbg(&client->dev, "Updating data.\n"); 9991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = (data->channel & CHAN_TEMP3) ? 1 : 0; 10011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds j = (data->channel & CHAN_TEMP3) ? 5 : 6; 10021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (; i < j; i++) { 10031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in[i] = lm87_read_value(client, 10041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_IN(i)); 10051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_min[i] = lm87_read_value(client, 10061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_IN_MIN(i)); 10071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_max[i] = lm87_read_value(client, 10081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_IN_MAX(i)); 10091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 2; i++) { 10121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (data->channel & CHAN_NO_FAN(i)) { 10131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in[6+i] = lm87_read_value(client, 10141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_AIN(i)); 10151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_max[6+i] = lm87_read_value(client, 10161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_AIN_MAX(i)); 10171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_min[6+i] = lm87_read_value(client, 10181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_AIN_MIN(i)); 10191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 10211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan[i] = lm87_read_value(client, 10221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_FAN(i)); 10231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_min[i] = lm87_read_value(client, 10241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_FAN_MIN(i)); 10251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds j = (data->channel & CHAN_TEMP3) ? 3 : 2; 10291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0 ; i < j; i++) { 10301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp[i] = lm87_read_value(client, 10311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_TEMP[i]); 10321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_high[i] = lm87_read_value(client, 10331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_TEMP_HIGH[i]); 10341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_low[i] = lm87_read_value(client, 10351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LM87_REG_TEMP_LOW[i]); 10361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = lm87_read_value(client, LM87_REG_TEMP_HW_INT_LOCK); 10391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds j = lm87_read_value(client, LM87_REG_TEMP_HW_INT); 10401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_crit_int = min(i, j); 10411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = lm87_read_value(client, LM87_REG_TEMP_HW_EXT_LOCK); 10431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds j = lm87_read_value(client, LM87_REG_TEMP_HW_EXT); 10441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_crit_ext = min(i, j); 10451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = lm87_read_value(client, LM87_REG_VID_FAN_DIV); 10471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_div[0] = (i >> 4) & 0x03; 10481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_div[1] = (i >> 6) & 0x03; 10491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->vid = (i & 0x0F) 10501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | (lm87_read_value(client, LM87_REG_VID4) & 0x01) 10511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds << 4; 10521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->alarms = lm87_read_value(client, LM87_REG_ALARMS1) 10541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | (lm87_read_value(client, LM87_REG_ALARMS2) 10551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds << 8); 10561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->aout = lm87_read_value(client, LM87_REG_AOUT); 10571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->last_updated = jiffies; 10591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->valid = 1; 10601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10629a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 10631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return data; 10651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1067f0967eea80ec2a19a4fe1ad27e3ff1b22c79a3c7Axel Linmodule_i2c_driver(lm87_driver); 10681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_AUTHOR("Jean Delvare <khali@linux-fr.org> and others"); 10701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DESCRIPTION("LM87 driver"); 10711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 1072