11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 28c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * asb100.c - Part of lm_sensors, Linux kernel modules for hardware 38c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * monitoring 48c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * 58c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * Copyright (C) 2004 Mark M. Hoffman <mhoffman@lightlink.com> 68c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * 78c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * (derived from w83781d.c) 88c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * 98c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * Copyright (C) 1998 - 2003 Frodo Looijaard <frodol@dds.nl>, 108c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * Philip Edelbrock <phil@netroedge.com>, and 118c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * Mark Studebaker <mdsxyz123@yahoo.com> 128c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * 138c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * This program is free software; you can redistribute it and/or modify 148c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * it under the terms of the GNU General Public License as published by 158c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * the Free Software Foundation; either version 2 of the License, or 168c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * (at your option) any later version. 178c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * 188c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * This program is distributed in the hope that it will be useful, 198c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * but WITHOUT ANY WARRANTY; without even the implied warranty of 208c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 218c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * GNU General Public License for more details. 228c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * 238c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * You should have received a copy of the GNU General Public License 248c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * along with this program; if not, write to the Free Software 258c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 268c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck */ 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 298c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * This driver supports the hardware sensor chips: Asus ASB100 and 308c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * ASB100-A "BACH". 318c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * 328c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * ASB100-A supports pwm1, while plain ASB100 does not. There is no known 338c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * way for the driver to tell which one is there. 348c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * 354101ece3a226e68a5335dd8a15c7ab8663972b81Jean Delvare * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA 368c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * asb100 7 3 1 4 0x31 0x0694 yes no 378c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck */ 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 394d630e2ba59a231c8e5031cc55e16737aa59af97Joe Perches#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 404d630e2ba59a231c8e5031cc55e16737aa59af97Joe Perches 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/slab.h> 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/i2c.h> 44943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman#include <linux/hwmon.h> 45fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare#include <linux/hwmon-sysfs.h> 46303760b44a7a142cb9f4c9df4609fb63bbda98dbJean Delvare#include <linux/hwmon-vid.h> 47943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman#include <linux/err.h> 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 49ff3240946d6a3d9f2ecf273f7330e09eec5484ebDominik Hackl#include <linux/jiffies.h> 509a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar#include <linux/mutex.h> 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "lm75.h" 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* I2C addresses to scan */ 5425e9c86d5a6d82ea45eb680fc66bf73ac5e50dffMark M. Hoffmanstatic const unsigned short normal_i2c[] = { 0x2d, I2C_CLIENT_END }; 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 563aed198c35567e5a721f52c0bde23167867e6af6Jean Delvarestatic unsigned short force_subclients[4]; 573aed198c35567e5a721f52c0bde23167867e6af6Jean Delvaremodule_param_array(force_subclients, short, NULL, 0); 58b55f375725ff85aada394da488802b0a3cc99e88Guenter RoeckMODULE_PARM_DESC(force_subclients, 59b55f375725ff85aada394da488802b0a3cc99e88Guenter Roeck "List of subclient addresses: {bus, clientaddr, subclientaddr1, subclientaddr2}"); 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Voltage IN registers 0-6 */ 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_IN(nr) (0x20 + (nr)) 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_IN_MAX(nr) (0x2b + (nr * 2)) 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_IN_MIN(nr) (0x2c + (nr * 2)) 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* FAN IN registers 1-3 */ 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_FAN(nr) (0x28 + (nr)) 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_FAN_MIN(nr) (0x3b + (nr)) 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* TEMPERATURE registers 1-4 */ 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic const u16 asb100_reg_temp[] = {0, 0x27, 0x150, 0x250, 0x17}; 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic const u16 asb100_reg_temp_max[] = {0, 0x39, 0x155, 0x255, 0x18}; 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic const u16 asb100_reg_temp_hyst[] = {0, 0x3a, 0x153, 0x253, 0x19}; 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_TEMP(nr) (asb100_reg_temp[nr]) 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_TEMP_MAX(nr) (asb100_reg_temp_max[nr]) 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_TEMP_HYST(nr) (asb100_reg_temp_hyst[nr]) 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_TEMP2_CONFIG 0x0152 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_TEMP3_CONFIG 0x0252 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_CONFIG 0x40 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_ALARM1 0x41 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_ALARM2 0x42 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_SMIM1 0x43 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_SMIM2 0x44 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_VID_FANDIV 0x47 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_I2C_ADDR 0x48 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_CHIPID 0x49 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_I2C_SUBADDR 0x4a 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_PIN 0x4b 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_IRQ 0x4c 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_BANK 0x4e 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_CHIPMAN 0x4f 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_WCHIPID 0x58 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* bit 7 -> enable, bits 0-3 -> duty cycle */ 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ASB100_REG_PWM1 0x59 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1028c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck/* 1038c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * CONVERSIONS 1048c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * Rounding and limit checking is only done on the TO_REG variants. 1058c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck */ 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* These constants are a guess, consistent w/ w83781d */ 1088c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck#define ASB100_IN_MIN 0 1098c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck#define ASB100_IN_MAX 4080 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1118c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck/* 1128c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * IN: 1/1000 V (0V to 4.08V) 1138c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * REG: 16mV/bit 1148c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck */ 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u8 IN_TO_REG(unsigned val) 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1172a844c148e1f714ebf42cb96e1b172ce394c36c9Guenter Roeck unsigned nval = clamp_val(val, ASB100_IN_MIN, ASB100_IN_MAX); 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (nval + 8) / 16; 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic unsigned IN_FROM_REG(u8 reg) 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return reg * 16; 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u8 FAN_TO_REG(long rpm, int div) 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rpm == -1) 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (rpm == 0) 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 255; 1322a844c148e1f714ebf42cb96e1b172ce394c36c9Guenter Roeck rpm = clamp_val(rpm, 1, 1000000); 1332a844c148e1f714ebf42cb96e1b172ce394c36c9Guenter Roeck return clamp_val((1350000 + rpm * div / 2) / (rpm * div), 1, 254); 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int FAN_FROM_REG(u8 val, int div) 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1388c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck return val == 0 ? -1 : val == 255 ? 0 : 1350000 / (val * div); 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* These constants are a guess, consistent w/ w83781d */ 1428c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck#define ASB100_TEMP_MIN -128000 1438c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck#define ASB100_TEMP_MAX 127000 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1458c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck/* 1468c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * TEMP: 0.001C/bit (-128C to +127C) 1478c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * REG: 1C/bit, two's complement 1488c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck */ 1495bfedac045082a97e20d47d876071279ef984d28Christian Hohnstaedtstatic u8 TEMP_TO_REG(long temp) 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1512a844c148e1f714ebf42cb96e1b172ce394c36c9Guenter Roeck int ntemp = clamp_val(temp, ASB100_TEMP_MIN, ASB100_TEMP_MAX); 1528c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck ntemp += (ntemp < 0 ? -500 : 500); 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (u8)(ntemp / 1000); 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int TEMP_FROM_REG(u8 reg) 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (s8)reg * 1000; 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1618c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck/* 1628c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * PWM: 0 - 255 per sensors documentation 1638c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * REG: (6.25% duty cycle per bit) 1648c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck */ 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u8 ASB100_PWM_TO_REG(int pwm) 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1672a844c148e1f714ebf42cb96e1b172ce394c36c9Guenter Roeck pwm = clamp_val(pwm, 0, 255); 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (u8)(pwm / 16); 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int ASB100_PWM_FROM_REG(u8 reg) 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return reg * 16; 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define DIV_FROM_REG(val) (1 << (val)) 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1788c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck/* 1798c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * FAN DIV: 1, 2, 4, or 8 (defaults to 2) 1808c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * REG: 0, 1, 2, or 3 (respectively) (defaults to 1) 1818c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck */ 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic u8 DIV_TO_REG(long val) 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1848c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck return val == 8 ? 3 : val == 4 ? 2 : val == 1 ? 0 : 1; 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1878c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck/* 1888c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * For each registered client, we need to keep some data in memory. That 1898c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * data is pointed to by client->data. The structure itself is 1908c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * dynamically allocated, at the same time the client itself is allocated. 1918c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck */ 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct asb100_data { 1931beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones struct device *hwmon_dev; 1949a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar struct mutex lock; 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1969a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar struct mutex update_lock; 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long last_updated; /* In jiffies */ 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* array of 2 pointers to subclients */ 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *lm75[2]; 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char valid; /* !=0 if following fields are valid */ 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 in[7]; /* Register value */ 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 in_max[7]; /* Register value */ 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 in_min[7]; /* Register value */ 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 fan[3]; /* Register value */ 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 fan_min[3]; /* Register value */ 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 temp[4]; /* Register value (0 and 3 are u8 only) */ 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 temp_max[4]; /* Register value (0 and 3 are u8 only) */ 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 temp_hyst[4]; /* Register value (0 and 3 are u8 only) */ 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 fan_div[3]; /* Register encoding, right justified */ 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 pwm; /* Register encoding */ 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 vid; /* Register encoding, combined */ 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 alarms; /* Register encoding, combined */ 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 vrm; 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int asb100_read_value(struct i2c_client *client, u16 reg); 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void asb100_write_value(struct i2c_client *client, u16 reg, u16 val); 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 221063675b15608dfbb8404b3a19546d579bd039d02Jean Delvarestatic int asb100_probe(struct i2c_client *client, 222063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare const struct i2c_device_id *id); 223310ec79210d754afe51e2e4a983e846b60179abdJean Delvarestatic int asb100_detect(struct i2c_client *client, 224063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare struct i2c_board_info *info); 225063675b15608dfbb8404b3a19546d579bd039d02Jean Delvarestatic int asb100_remove(struct i2c_client *client); 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct asb100_data *asb100_update_device(struct device *dev); 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void asb100_init_client(struct i2c_client *client); 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 229063675b15608dfbb8404b3a19546d579bd039d02Jean Delvarestatic const struct i2c_device_id asb100_id[] = { 2301f86df49ddfd0067cce941187d57b2fd2f749a9eJean Delvare { "asb100", 0 }, 231063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare { } 232063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare}; 233063675b15608dfbb8404b3a19546d579bd039d02Jean DelvareMODULE_DEVICE_TABLE(i2c, asb100_id); 234063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct i2c_driver asb100_driver = { 236063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare .class = I2C_CLASS_HWMON, 237cdaf79349c7d24e1d33acb6497849c9e956a33eaLaurent Riffard .driver = { 238cdaf79349c7d24e1d33acb6497849c9e956a33eaLaurent Riffard .name = "asb100", 239cdaf79349c7d24e1d33acb6497849c9e956a33eaLaurent Riffard }, 240063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare .probe = asb100_probe, 241063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare .remove = asb100_remove, 242063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare .id_table = asb100_id, 243063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare .detect = asb100_detect, 244c3813d6af177fab19e322f3114b1f64fbcf08d71Jean Delvare .address_list = normal_i2c, 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 7 Voltages */ 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define show_in_reg(reg) \ 249fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvarestatic ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ 250fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare char *buf) \ 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 252fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare int nr = to_sensor_dev_attr(attr)->index; \ 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct asb100_data *data = asb100_update_device(dev); \ 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", IN_FROM_REG(data->reg[nr])); \ 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in_reg(in) 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in_reg(in_min) 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_in_reg(in_max) 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define set_in_reg(REG, reg) \ 262fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvarestatic ssize_t set_in_##reg(struct device *dev, struct device_attribute *attr, \ 263fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare const char *buf, size_t count) \ 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 265fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare int nr = to_sensor_dev_attr(attr)->index; \ 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); \ 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct asb100_data *data = i2c_get_clientdata(client); \ 2688c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck unsigned long val; \ 2698c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck int err = kstrtoul(buf, 10, &val); \ 2708c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck if (err) \ 2718c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck return err; \ 2729a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); \ 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_##reg[nr] = IN_TO_REG(val); \ 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds asb100_write_value(client, ASB100_REG_IN_##REG(nr), \ 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_##reg[nr]); \ 2769a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); \ 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; \ 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in_reg(MIN, min) 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_in_reg(MAX, max) 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define sysfs_in(offset) \ 284fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvarestatic SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \ 285fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare show_in, NULL, offset); \ 286fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvarestatic SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ 287fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare show_in_min, set_in_min, offset); \ 288fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvarestatic SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ 289fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare show_in_max, set_in_max, offset) 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssysfs_in(0); 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssysfs_in(1); 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssysfs_in(2); 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssysfs_in(3); 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssysfs_in(4); 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssysfs_in(5); 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssysfs_in(6); 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 3 Fans */ 300fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvarestatic ssize_t show_fan(struct device *dev, struct device_attribute *attr, 301fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare char *buf) 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 303fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare int nr = to_sensor_dev_attr(attr)->index; 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct asb100_data *data = asb100_update_device(dev); 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr], 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DIV_FROM_REG(data->fan_div[nr]))); 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 309fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvarestatic ssize_t show_fan_min(struct device *dev, struct device_attribute *attr, 310fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare char *buf) 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 312fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare int nr = to_sensor_dev_attr(attr)->index; 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct asb100_data *data = asb100_update_device(dev); 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr], 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DIV_FROM_REG(data->fan_div[nr]))); 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 318fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvarestatic ssize_t show_fan_div(struct device *dev, struct device_attribute *attr, 319fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare char *buf) 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 321fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare int nr = to_sensor_dev_attr(attr)->index; 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct asb100_data *data = asb100_update_device(dev); 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr])); 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 326fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvarestatic ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, 327fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare const char *buf, size_t count) 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 329fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare int nr = to_sensor_dev_attr(attr)->index; 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct asb100_data *data = i2c_get_clientdata(client); 3328c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck unsigned long val; 3338c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck int err; 3348c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck 3358c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck err = kstrtoul(buf, 10, &val); 3368c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck if (err) 3378c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck return err; 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3399a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds asb100_write_value(client, ASB100_REG_FAN_MIN(nr), data->fan_min[nr]); 3429a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3468c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck/* 3478c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * Note: we save and restore the fan minimum here, because its value is 3488c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * determined in part by the fan divisor. This follows the principle of 3498c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * least surprise; the user doesn't expect the fan minimum to change just 3508c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * because the divisor changed. 3518c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck */ 352fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvarestatic ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, 353fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare const char *buf, size_t count) 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 355fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare int nr = to_sensor_dev_attr(attr)->index; 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct asb100_data *data = i2c_get_clientdata(client); 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long min; 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int reg; 3608c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck unsigned long val; 3618c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck int err; 3628c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck 3638c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck err = kstrtoul(buf, 10, &val); 3648c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck if (err) 3658c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck return err; 366af221931519571028c98cf7c7030dd973a524011Jean Delvare 3679a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds min = FAN_FROM_REG(data->fan_min[nr], 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DIV_FROM_REG(data->fan_div[nr])); 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_div[nr] = DIV_TO_REG(val); 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 373af221931519571028c98cf7c7030dd973a524011Jean Delvare switch (nr) { 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0: /* fan 1 */ 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = asb100_read_value(client, ASB100_REG_VID_FANDIV); 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = (reg & 0xcf) | (data->fan_div[0] << 4); 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds asb100_write_value(client, ASB100_REG_VID_FANDIV, reg); 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 1: /* fan 2 */ 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = asb100_read_value(client, ASB100_REG_VID_FANDIV); 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = (reg & 0x3f) | (data->fan_div[1] << 6); 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds asb100_write_value(client, ASB100_REG_VID_FANDIV, reg); 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 2: /* fan 3 */ 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = asb100_read_value(client, ASB100_REG_PIN); 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reg = (reg & 0x3f) | (data->fan_div[2] << 6); 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds asb100_write_value(client, ASB100_REG_PIN, reg); 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_min[nr] = 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds asb100_write_value(client, ASB100_REG_FAN_MIN(nr), data->fan_min[nr]); 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3979a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 4001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define sysfs_fan(offset) \ 403fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvarestatic SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ 404fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare show_fan, NULL, offset - 1); \ 405fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvarestatic SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ 406fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare show_fan_min, set_fan_min, offset - 1); \ 407fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvarestatic SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ 408fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare show_fan_div, set_fan_div, offset - 1) 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssysfs_fan(1); 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssysfs_fan(2); 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssysfs_fan(3); 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 4 Temp. Sensors */ 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int sprintf_temp_from_reg(u16 reg, char *buf, int nr) 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret = 0; 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (nr) { 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 1: case 2: 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = sprintf(buf, "%d\n", LM75_TEMP_FROM_REG(reg)); 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0: case 3: default: 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = sprintf(buf, "%d\n", TEMP_FROM_REG(reg)); 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 429af221931519571028c98cf7c7030dd973a524011Jean Delvare 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define show_temp_reg(reg) \ 431fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvarestatic ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ 432fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare char *buf) \ 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 434fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare int nr = to_sensor_dev_attr(attr)->index; \ 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct asb100_data *data = asb100_update_device(dev); \ 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf_temp_from_reg(data->reg[nr], buf, nr); \ 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_temp_reg(temp); 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_temp_reg(temp_max); 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsshow_temp_reg(temp_hyst); 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define set_temp_reg(REG, reg) \ 444fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvarestatic ssize_t set_##reg(struct device *dev, struct device_attribute *attr, \ 445fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare const char *buf, size_t count) \ 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ \ 447fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare int nr = to_sensor_dev_attr(attr)->index; \ 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); \ 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct asb100_data *data = i2c_get_clientdata(client); \ 4508c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck long val; \ 4518c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck int err = kstrtol(buf, 10, &val); \ 4528c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck if (err) \ 4538c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck return err; \ 4549a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); \ 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (nr) { \ 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 1: case 2: \ 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->reg[nr] = LM75_TEMP_TO_REG(val); \ 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; \ 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0: case 3: default: \ 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->reg[nr] = TEMP_TO_REG(val); \ 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; \ 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } \ 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds asb100_write_value(client, ASB100_REG_TEMP_##REG(nr+1), \ 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->reg[nr]); \ 4659a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); \ 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; \ 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_temp_reg(MAX, temp_max); 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsset_temp_reg(HYST, temp_hyst); 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define sysfs_temp(num) \ 473fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvarestatic SENSOR_DEVICE_ATTR(temp##num##_input, S_IRUGO, \ 474fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare show_temp, NULL, num - 1); \ 475fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvarestatic SENSOR_DEVICE_ATTR(temp##num##_max, S_IRUGO | S_IWUSR, \ 476fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare show_temp_max, set_temp_max, num - 1); \ 477fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvarestatic SENSOR_DEVICE_ATTR(temp##num##_max_hyst, S_IRUGO | S_IWUSR, \ 478fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare show_temp_hyst, set_temp_hyst, num - 1) 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssysfs_temp(1); 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssysfs_temp(2); 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssysfs_temp(3); 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssysfs_temp(4); 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* VID */ 486af221931519571028c98cf7c7030dd973a524011Jean Delvarestatic ssize_t show_vid(struct device *dev, struct device_attribute *attr, 487af221931519571028c98cf7c7030dd973a524011Jean Delvare char *buf) 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct asb100_data *data = asb100_update_device(dev); 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* VRM */ 496af221931519571028c98cf7c7030dd973a524011Jean Delvarestatic ssize_t show_vrm(struct device *dev, struct device_attribute *attr, 497af221931519571028c98cf7c7030dd973a524011Jean Delvare char *buf) 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 49990d6619a916062cb75a176aacb318d108758b4a5Jean Delvare struct asb100_data *data = dev_get_drvdata(dev); 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", data->vrm); 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 503af221931519571028c98cf7c7030dd973a524011Jean Delvarestatic ssize_t set_vrm(struct device *dev, struct device_attribute *attr, 504af221931519571028c98cf7c7030dd973a524011Jean Delvare const char *buf, size_t count) 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5068f74efe81d122c071410fd74f42879ef81439fa4Jean Delvare struct asb100_data *data = dev_get_drvdata(dev); 5078c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck unsigned long val; 5088c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck int err; 5098c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck 5108c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck err = kstrtoul(buf, 10, &val); 5118c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck if (err) 5128c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck return err; 513db59ac434230c2d6c051bb314f320ad977e6841dAxel Lin 514db59ac434230c2d6c051bb314f320ad977e6841dAxel Lin if (val > 255) 515db59ac434230c2d6c051bb314f320ad977e6841dAxel Lin return -EINVAL; 516db59ac434230c2d6c051bb314f320ad977e6841dAxel Lin 5178c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck data->vrm = val; 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Alarms */ 5221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm); 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 524af221931519571028c98cf7c7030dd973a524011Jean Delvarestatic ssize_t show_alarms(struct device *dev, struct device_attribute *attr, 525af221931519571028c98cf7c7030dd973a524011Jean Delvare char *buf) 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct asb100_data *data = asb100_update_device(dev); 52868188ba7de2db9999ff08a4544a78b2f10eb08bdJean Delvare return sprintf(buf, "%u\n", data->alarms); 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 533636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvarestatic ssize_t show_alarm(struct device *dev, struct device_attribute *attr, 534636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvare char *buf) 535636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvare{ 536636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvare int bitnr = to_sensor_dev_attr(attr)->index; 537636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvare struct asb100_data *data = asb100_update_device(dev); 538636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvare return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1); 539636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvare} 540636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvarestatic SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); 541636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvarestatic SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); 542636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvarestatic SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); 543636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvarestatic SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); 544636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvarestatic SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8); 545636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvarestatic SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6); 546636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvarestatic SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7); 547636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvarestatic SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11); 548636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvarestatic SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4); 549636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvarestatic SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5); 550636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvarestatic SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13); 551636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvare 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1 PWM */ 553af221931519571028c98cf7c7030dd973a524011Jean Delvarestatic ssize_t show_pwm1(struct device *dev, struct device_attribute *attr, 554af221931519571028c98cf7c7030dd973a524011Jean Delvare char *buf) 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct asb100_data *data = asb100_update_device(dev); 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", ASB100_PWM_FROM_REG(data->pwm & 0x0f)); 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 560af221931519571028c98cf7c7030dd973a524011Jean Delvarestatic ssize_t set_pwm1(struct device *dev, struct device_attribute *attr, 561af221931519571028c98cf7c7030dd973a524011Jean Delvare const char *buf, size_t count) 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct asb100_data *data = i2c_get_clientdata(client); 5658c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck unsigned long val; 5668c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck int err; 5678c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck 5688c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck err = kstrtoul(buf, 10, &val); 5698c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck if (err) 5708c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck return err; 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5729a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->pwm &= 0x80; /* keep the enable bit */ 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->pwm |= (0x0f & ASB100_PWM_TO_REG(val)); 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds asb100_write_value(client, ASB100_REG_PWM1, data->pwm); 5769a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 580af221931519571028c98cf7c7030dd973a524011Jean Delvarestatic ssize_t show_pwm_enable1(struct device *dev, 581af221931519571028c98cf7c7030dd973a524011Jean Delvare struct device_attribute *attr, char *buf) 5821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct asb100_data *data = asb100_update_device(dev); 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(buf, "%d\n", (data->pwm & 0x80) ? 1 : 0); 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 587af221931519571028c98cf7c7030dd973a524011Jean Delvarestatic ssize_t set_pwm_enable1(struct device *dev, 588af221931519571028c98cf7c7030dd973a524011Jean Delvare struct device_attribute *attr, const char *buf, size_t count) 5891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct asb100_data *data = i2c_get_clientdata(client); 5928c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck unsigned long val; 5938c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck int err; 5948c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck 5958c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck err = kstrtoul(buf, 10, &val); 5968c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck if (err) 5978c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck return err; 5981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5999a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->pwm &= 0x0f; /* keep the duty cycle bits */ 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->pwm |= (val ? 0x80 : 0x00); 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds asb100_write_value(client, ASB100_REG_PWM1, data->pwm); 6039a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return count; 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm1, set_pwm1); 6081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, 6091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds show_pwm_enable1, set_pwm_enable1); 610c1685f61b0a3110b701d09b84a9f9a3d4e9ef2e2Mark M. Hoffman 611c1685f61b0a3110b701d09b84a9f9a3d4e9ef2e2Mark M. Hoffmanstatic struct attribute *asb100_attributes[] = { 612fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in0_input.dev_attr.attr, 613fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in0_min.dev_attr.attr, 614fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in0_max.dev_attr.attr, 615fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in1_input.dev_attr.attr, 616fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in1_min.dev_attr.attr, 617fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in1_max.dev_attr.attr, 618fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in2_input.dev_attr.attr, 619fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in2_min.dev_attr.attr, 620fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in2_max.dev_attr.attr, 621fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in3_input.dev_attr.attr, 622fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in3_min.dev_attr.attr, 623fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in3_max.dev_attr.attr, 624fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in4_input.dev_attr.attr, 625fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in4_min.dev_attr.attr, 626fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in4_max.dev_attr.attr, 627fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in5_input.dev_attr.attr, 628fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in5_min.dev_attr.attr, 629fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in5_max.dev_attr.attr, 630fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in6_input.dev_attr.attr, 631fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in6_min.dev_attr.attr, 632fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_in6_max.dev_attr.attr, 633fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare 634fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_fan1_input.dev_attr.attr, 635fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_fan1_min.dev_attr.attr, 636fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_fan1_div.dev_attr.attr, 637fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_fan2_input.dev_attr.attr, 638fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_fan2_min.dev_attr.attr, 639fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_fan2_div.dev_attr.attr, 640fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_fan3_input.dev_attr.attr, 641fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_fan3_min.dev_attr.attr, 642fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_fan3_div.dev_attr.attr, 643fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare 644fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_temp1_input.dev_attr.attr, 645fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_temp1_max.dev_attr.attr, 646fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, 647fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_temp2_input.dev_attr.attr, 648fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_temp2_max.dev_attr.attr, 649fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_temp2_max_hyst.dev_attr.attr, 650fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_temp3_input.dev_attr.attr, 651fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_temp3_max.dev_attr.attr, 652fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_temp3_max_hyst.dev_attr.attr, 653fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_temp4_input.dev_attr.attr, 654fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_temp4_max.dev_attr.attr, 655fad33c5fdae73a75af2f8ecf69147011bd57e28cJean Delvare &sensor_dev_attr_temp4_max_hyst.dev_attr.attr, 656c1685f61b0a3110b701d09b84a9f9a3d4e9ef2e2Mark M. Hoffman 657636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvare &sensor_dev_attr_in0_alarm.dev_attr.attr, 658636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvare &sensor_dev_attr_in1_alarm.dev_attr.attr, 659636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvare &sensor_dev_attr_in2_alarm.dev_attr.attr, 660636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvare &sensor_dev_attr_in3_alarm.dev_attr.attr, 661636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvare &sensor_dev_attr_in4_alarm.dev_attr.attr, 662636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvare &sensor_dev_attr_fan1_alarm.dev_attr.attr, 663636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvare &sensor_dev_attr_fan2_alarm.dev_attr.attr, 664636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvare &sensor_dev_attr_fan3_alarm.dev_attr.attr, 665636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvare &sensor_dev_attr_temp1_alarm.dev_attr.attr, 666636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvare &sensor_dev_attr_temp2_alarm.dev_attr.attr, 667636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvare &sensor_dev_attr_temp3_alarm.dev_attr.attr, 668636866b9f0a72583d2361a897668eb19ff37ded6Jean Delvare 669c1685f61b0a3110b701d09b84a9f9a3d4e9ef2e2Mark M. Hoffman &dev_attr_cpu0_vid.attr, 670c1685f61b0a3110b701d09b84a9f9a3d4e9ef2e2Mark M. Hoffman &dev_attr_vrm.attr, 671c1685f61b0a3110b701d09b84a9f9a3d4e9ef2e2Mark M. Hoffman &dev_attr_alarms.attr, 672c1685f61b0a3110b701d09b84a9f9a3d4e9ef2e2Mark M. Hoffman &dev_attr_pwm1.attr, 673c1685f61b0a3110b701d09b84a9f9a3d4e9ef2e2Mark M. Hoffman &dev_attr_pwm1_enable.attr, 674c1685f61b0a3110b701d09b84a9f9a3d4e9ef2e2Mark M. Hoffman 675c1685f61b0a3110b701d09b84a9f9a3d4e9ef2e2Mark M. Hoffman NULL 676c1685f61b0a3110b701d09b84a9f9a3d4e9ef2e2Mark M. Hoffman}; 677c1685f61b0a3110b701d09b84a9f9a3d4e9ef2e2Mark M. Hoffman 678c1685f61b0a3110b701d09b84a9f9a3d4e9ef2e2Mark M. Hoffmanstatic const struct attribute_group asb100_group = { 679c1685f61b0a3110b701d09b84a9f9a3d4e9ef2e2Mark M. Hoffman .attrs = asb100_attributes, 680c1685f61b0a3110b701d09b84a9f9a3d4e9ef2e2Mark M. Hoffman}; 6811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 682063675b15608dfbb8404b3a19546d579bd039d02Jean Delvarestatic int asb100_detect_subclients(struct i2c_client *client) 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, id, err; 685063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare int address = client->addr; 686063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare unsigned short sc_addr[2]; 687af221931519571028c98cf7c7030dd973a524011Jean Delvare struct asb100_data *data = i2c_get_clientdata(client); 688063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare struct i2c_adapter *adapter = client->adapter; 6891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds id = i2c_adapter_id(adapter); 6911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (force_subclients[0] == id && force_subclients[1] == address) { 6931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 2; i <= 3; i++) { 6941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (force_subclients[i] < 0x48 || 6951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds force_subclients[i] > 0x4f) { 696b55f375725ff85aada394da488802b0a3cc99e88Guenter Roeck dev_err(&client->dev, 697b55f375725ff85aada394da488802b0a3cc99e88Guenter Roeck "invalid subclient address %d; must be 0x48-0x4f\n", 6981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds force_subclients[i]); 6991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = -ENODEV; 7001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto ERROR_SC_2; 7011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 703af221931519571028c98cf7c7030dd973a524011Jean Delvare asb100_write_value(client, ASB100_REG_I2C_SUBADDR, 7041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (force_subclients[2] & 0x07) | 705af221931519571028c98cf7c7030dd973a524011Jean Delvare ((force_subclients[3] & 0x07) << 4)); 706063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare sc_addr[0] = force_subclients[2]; 707063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare sc_addr[1] = force_subclients[3]; 7081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 709af221931519571028c98cf7c7030dd973a524011Jean Delvare int val = asb100_read_value(client, ASB100_REG_I2C_SUBADDR); 710063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare sc_addr[0] = 0x48 + (val & 0x07); 711063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare sc_addr[1] = 0x48 + ((val >> 4) & 0x07); 7121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 714063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare if (sc_addr[0] == sc_addr[1]) { 715b55f375725ff85aada394da488802b0a3cc99e88Guenter Roeck dev_err(&client->dev, 716b55f375725ff85aada394da488802b0a3cc99e88Guenter Roeck "duplicate addresses 0x%x for subclients\n", 717b55f375725ff85aada394da488802b0a3cc99e88Guenter Roeck sc_addr[0]); 7181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = -ENODEV; 7191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto ERROR_SC_2; 7201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 722063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare data->lm75[0] = i2c_new_dummy(adapter, sc_addr[0]); 723063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare if (!data->lm75[0]) { 724b55f375725ff85aada394da488802b0a3cc99e88Guenter Roeck dev_err(&client->dev, 725b55f375725ff85aada394da488802b0a3cc99e88Guenter Roeck "subclient %d registration at address 0x%x failed.\n", 726b55f375725ff85aada394da488802b0a3cc99e88Guenter Roeck 1, sc_addr[0]); 727063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare err = -ENOMEM; 7281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto ERROR_SC_2; 7291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 731063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare data->lm75[1] = i2c_new_dummy(adapter, sc_addr[1]); 732063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare if (!data->lm75[1]) { 733b55f375725ff85aada394da488802b0a3cc99e88Guenter Roeck dev_err(&client->dev, 734b55f375725ff85aada394da488802b0a3cc99e88Guenter Roeck "subclient %d registration at address 0x%x failed.\n", 735b55f375725ff85aada394da488802b0a3cc99e88Guenter Roeck 2, sc_addr[1]); 736063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare err = -ENOMEM; 7371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto ERROR_SC_3; 7381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 7411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Undo inits in case of errors */ 7431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsERROR_SC_3: 744063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare i2c_unregister_device(data->lm75[0]); 7451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsERROR_SC_2: 7461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 7471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 749063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare/* Return 0 if detection is successful, -ENODEV otherwise */ 750310ec79210d754afe51e2e4a983e846b60179abdJean Delvarestatic int asb100_detect(struct i2c_client *client, 751063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare struct i2c_board_info *info) 7521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 753063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare struct i2c_adapter *adapter = client->adapter; 75452df6440a29123eed912183fe785bbe174ef14b9Jean Delvare int val1, val2; 7551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { 7574d630e2ba59a231c8e5031cc55e16737aa59af97Joe Perches pr_debug("detect failed, smbus byte data not supported!\n"); 758063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare return -ENODEV; 7591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 76152df6440a29123eed912183fe785bbe174ef14b9Jean Delvare val1 = i2c_smbus_read_byte_data(client, ASB100_REG_BANK); 76252df6440a29123eed912183fe785bbe174ef14b9Jean Delvare val2 = i2c_smbus_read_byte_data(client, ASB100_REG_CHIPMAN); 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 76452df6440a29123eed912183fe785bbe174ef14b9Jean Delvare /* If we're in bank 0 */ 76552df6440a29123eed912183fe785bbe174ef14b9Jean Delvare if ((!(val1 & 0x07)) && 76652df6440a29123eed912183fe785bbe174ef14b9Jean Delvare /* Check for ASB100 ID (low byte) */ 76752df6440a29123eed912183fe785bbe174ef14b9Jean Delvare (((!(val1 & 0x80)) && (val2 != 0x94)) || 76852df6440a29123eed912183fe785bbe174ef14b9Jean Delvare /* Check for ASB100 ID (high byte ) */ 76952df6440a29123eed912183fe785bbe174ef14b9Jean Delvare ((val1 & 0x80) && (val2 != 0x06)))) { 7704d630e2ba59a231c8e5031cc55e16737aa59af97Joe Perches pr_debug("detect failed, bad chip id 0x%02x!\n", val2); 77152df6440a29123eed912183fe785bbe174ef14b9Jean Delvare return -ENODEV; 77252df6440a29123eed912183fe785bbe174ef14b9Jean Delvare } 7731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 77452df6440a29123eed912183fe785bbe174ef14b9Jean Delvare /* Put it now into bank 0 and Vendor ID High Byte */ 775063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare i2c_smbus_write_byte_data(client, ASB100_REG_BANK, 776063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare (i2c_smbus_read_byte_data(client, ASB100_REG_BANK) & 0x78) 777063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare | 0x80); 7781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Determine the chip type. */ 78052df6440a29123eed912183fe785bbe174ef14b9Jean Delvare val1 = i2c_smbus_read_byte_data(client, ASB100_REG_WCHIPID); 78152df6440a29123eed912183fe785bbe174ef14b9Jean Delvare val2 = i2c_smbus_read_byte_data(client, ASB100_REG_CHIPMAN); 78252df6440a29123eed912183fe785bbe174ef14b9Jean Delvare 78352df6440a29123eed912183fe785bbe174ef14b9Jean Delvare if (val1 != 0x31 || val2 != 0x06) 78452df6440a29123eed912183fe785bbe174ef14b9Jean Delvare return -ENODEV; 7851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 786063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare strlcpy(info->type, "asb100", I2C_NAME_SIZE); 7871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 788063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare return 0; 789063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare} 790063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare 791063675b15608dfbb8404b3a19546d579bd039d02Jean Delvarestatic int asb100_probe(struct i2c_client *client, 792063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare const struct i2c_device_id *id) 793063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare{ 794063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare int err; 795063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare struct asb100_data *data; 796063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare 79764adf39837c7cf744161b18598577cbe2467a01dGuenter Roeck data = devm_kzalloc(&client->dev, sizeof(struct asb100_data), 79864adf39837c7cf744161b18598577cbe2467a01dGuenter Roeck GFP_KERNEL); 79964adf39837c7cf744161b18598577cbe2467a01dGuenter Roeck if (!data) 80064adf39837c7cf744161b18598577cbe2467a01dGuenter Roeck return -ENOMEM; 801063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare 802063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare i2c_set_clientdata(client, data); 803063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare mutex_init(&data->lock); 804063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare mutex_init(&data->update_lock); 8051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Attach secondary lm75 clients */ 807063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare err = asb100_detect_subclients(client); 808063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare if (err) 80964adf39837c7cf744161b18598577cbe2467a01dGuenter Roeck return err; 8101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Initialize the chip */ 812af221931519571028c98cf7c7030dd973a524011Jean Delvare asb100_init_client(client); 8131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* A few vars need to be filled upon startup */ 815af221931519571028c98cf7c7030dd973a524011Jean Delvare data->fan_min[0] = asb100_read_value(client, ASB100_REG_FAN_MIN(0)); 816af221931519571028c98cf7c7030dd973a524011Jean Delvare data->fan_min[1] = asb100_read_value(client, ASB100_REG_FAN_MIN(1)); 817af221931519571028c98cf7c7030dd973a524011Jean Delvare data->fan_min[2] = asb100_read_value(client, ASB100_REG_FAN_MIN(2)); 8181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Register sysfs hooks */ 8208c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck err = sysfs_create_group(&client->dev.kobj, &asb100_group); 8218c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck if (err) 822c1685f61b0a3110b701d09b84a9f9a3d4e9ef2e2Mark M. Hoffman goto ERROR3; 823c1685f61b0a3110b701d09b84a9f9a3d4e9ef2e2Mark M. Hoffman 824af221931519571028c98cf7c7030dd973a524011Jean Delvare data->hwmon_dev = hwmon_device_register(&client->dev); 8251beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones if (IS_ERR(data->hwmon_dev)) { 8261beeffe43311f64df8dd0ab08ff6b1858c58363fTony Jones err = PTR_ERR(data->hwmon_dev); 827c1685f61b0a3110b701d09b84a9f9a3d4e9ef2e2Mark M. Hoffman goto ERROR4; 828943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman } 829943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman 8301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 8311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 832c1685f61b0a3110b701d09b84a9f9a3d4e9ef2e2Mark M. HoffmanERROR4: 833af221931519571028c98cf7c7030dd973a524011Jean Delvare sysfs_remove_group(&client->dev.kobj, &asb100_group); 834943b0830cebe4711354945ed3cb44e84152aaca0Mark M. HoffmanERROR3: 835063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare i2c_unregister_device(data->lm75[1]); 836063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare i2c_unregister_device(data->lm75[0]); 8371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 8381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 840063675b15608dfbb8404b3a19546d579bd039d02Jean Delvarestatic int asb100_remove(struct i2c_client *client) 8411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 842943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman struct asb100_data *data = i2c_get_clientdata(client); 843943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman 844063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare hwmon_device_unregister(data->hwmon_dev); 845063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare sysfs_remove_group(&client->dev.kobj, &asb100_group); 8461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 847063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare i2c_unregister_device(data->lm75[1]); 848063675b15608dfbb8404b3a19546d579bd039d02Jean Delvare i2c_unregister_device(data->lm75[0]); 849943b0830cebe4711354945ed3cb44e84152aaca0Mark M. Hoffman 8501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 8511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8538c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck/* 8548c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * The SMBus locks itself, usually, but nothing may access the chip between 8558c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck * bank switches. 8568c103696fa59e1b810bf24a63304acd5ab585c12Guenter Roeck */ 8571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int asb100_read_value(struct i2c_client *client, u16 reg) 8581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct asb100_data *data = i2c_get_clientdata(client); 8601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *cl; 8611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int res, bank; 8621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8639a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->lock); 8641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bank = (reg >> 8) & 0x0f; 8661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (bank > 2) 8671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* switch banks */ 8681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i2c_smbus_write_byte_data(client, ASB100_REG_BANK, bank); 8691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (bank == 0 || bank > 2) { 8711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds res = i2c_smbus_read_byte_data(client, reg & 0xff); 8721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 8731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* switch to subclient */ 8741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cl = data->lm75[bank - 1]; 8751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* convert from ISA to LM75 I2C addresses */ 8771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (reg & 0xff) { 8781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x50: /* TEMP */ 87990f4102ce59226954edbe960b2434d8b3da5f086Jean Delvare res = i2c_smbus_read_word_swapped(cl, 0); 8801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 8811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x52: /* CONFIG */ 8821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds res = i2c_smbus_read_byte_data(cl, 1); 8831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 8841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x53: /* HYST */ 88590f4102ce59226954edbe960b2434d8b3da5f086Jean Delvare res = i2c_smbus_read_word_swapped(cl, 2); 8861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 8871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x55: /* MAX */ 8881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 88990f4102ce59226954edbe960b2434d8b3da5f086Jean Delvare res = i2c_smbus_read_word_swapped(cl, 3); 8901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 8911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (bank > 2) 8951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i2c_smbus_write_byte_data(client, ASB100_REG_BANK, 0); 8961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8979a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->lock); 8981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return res; 9001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void asb100_write_value(struct i2c_client *client, u16 reg, u16 value) 9031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct asb100_data *data = i2c_get_clientdata(client); 9051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *cl; 9061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int bank; 9071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9089a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->lock); 9091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bank = (reg >> 8) & 0x0f; 9111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (bank > 2) 9121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* switch banks */ 9131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i2c_smbus_write_byte_data(client, ASB100_REG_BANK, bank); 9141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (bank == 0 || bank > 2) { 9161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i2c_smbus_write_byte_data(client, reg & 0xff, value & 0xff); 9171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 9181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* switch to subclient */ 9191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cl = data->lm75[bank - 1]; 9201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* convert from ISA to LM75 I2C addresses */ 9221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (reg & 0xff) { 9231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x52: /* CONFIG */ 9241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i2c_smbus_write_byte_data(cl, 1, value & 0xff); 9251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x53: /* HYST */ 92790f4102ce59226954edbe960b2434d8b3da5f086Jean Delvare i2c_smbus_write_word_swapped(cl, 2, value); 9281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x55: /* MAX */ 93090f4102ce59226954edbe960b2434d8b3da5f086Jean Delvare i2c_smbus_write_word_swapped(cl, 3, value); 9311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 9321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (bank > 2) 9361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i2c_smbus_write_byte_data(client, ASB100_REG_BANK, 0); 9371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9389a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->lock); 9391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void asb100_init_client(struct i2c_client *client) 9421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct asb100_data *data = i2c_get_clientdata(client); 9441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 945303760b44a7a142cb9f4c9df4609fb63bbda98dbJean Delvare data->vrm = vid_which_vrm(); 9461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Start monitoring */ 948af221931519571028c98cf7c7030dd973a524011Jean Delvare asb100_write_value(client, ASB100_REG_CONFIG, 9491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (asb100_read_value(client, ASB100_REG_CONFIG) & 0xf7) | 0x01); 9501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct asb100_data *asb100_update_device(struct device *dev) 9531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct i2c_client *client = to_i2c_client(dev); 9551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct asb100_data *data = i2c_get_clientdata(client); 9561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 9571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9589a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_lock(&data->update_lock); 9591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (time_after(jiffies, data->last_updated + HZ + HZ / 2) 9611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds || !data->valid) { 9621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_dbg(&client->dev, "starting device update...\n"); 9641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 7 voltage inputs */ 9661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 7; i++) { 9671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in[i] = asb100_read_value(client, 9681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ASB100_REG_IN(i)); 9691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_min[i] = asb100_read_value(client, 9701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ASB100_REG_IN_MIN(i)); 9711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->in_max[i] = asb100_read_value(client, 9721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ASB100_REG_IN_MAX(i)); 9731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 3 fan inputs */ 9761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 3; i++) { 9771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan[i] = asb100_read_value(client, 9781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ASB100_REG_FAN(i)); 9791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_min[i] = asb100_read_value(client, 9801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ASB100_REG_FAN_MIN(i)); 9811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 4 temperature inputs */ 9841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 1; i <= 4; i++) { 9851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp[i-1] = asb100_read_value(client, 9861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ASB100_REG_TEMP(i)); 9871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_max[i-1] = asb100_read_value(client, 9881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ASB100_REG_TEMP_MAX(i)); 9891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->temp_hyst[i-1] = asb100_read_value(client, 9901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ASB100_REG_TEMP_HYST(i)); 9911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* VID and fan divisors */ 9941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = asb100_read_value(client, ASB100_REG_VID_FANDIV); 9951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->vid = i & 0x0f; 9961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->vid |= (asb100_read_value(client, 9971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ASB100_REG_CHIPID) & 0x01) << 4; 9981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_div[0] = (i >> 4) & 0x03; 9991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_div[1] = (i >> 6) & 0x03; 10001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->fan_div[2] = (asb100_read_value(client, 10011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ASB100_REG_PIN) >> 6) & 0x03; 10021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* PWM */ 10041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->pwm = asb100_read_value(client, ASB100_REG_PWM1); 10051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* alarms */ 10071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->alarms = asb100_read_value(client, ASB100_REG_ALARM1) + 10081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (asb100_read_value(client, ASB100_REG_ALARM2) << 8); 10091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->last_updated = jiffies; 10111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds data->valid = 1; 10121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_dbg(&client->dev, "... device update complete\n"); 10141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10169a61bf6300533d3b64d7ff29adfec00e596de67dIngo Molnar mutex_unlock(&data->update_lock); 10171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return data; 10191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1021f0967eea80ec2a19a4fe1ad27e3ff1b22c79a3c7Axel Linmodule_i2c_driver(asb100_driver); 10221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_AUTHOR("Mark M. Hoffman <mhoffman@lightlink.com>"); 10241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DESCRIPTION("ASB100 Bach driver"); 10251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 1026