15563e27dSR.Marek@sh.cvut.cz /* 25563e27dSR.Marek@sh.cvut.cz w83792d.c - Part of lm_sensors, Linux kernel modules for hardware 35563e27dSR.Marek@sh.cvut.cz monitoring 45563e27dSR.Marek@sh.cvut.cz Copyright (C) 2004, 2005 Winbond Electronics Corp. 55563e27dSR.Marek@sh.cvut.cz Chunhao Huang <DZShen@Winbond.com.tw>, 65563e27dSR.Marek@sh.cvut.cz Rudolf Marek <r.marek@sh.cvut.cz> 75563e27dSR.Marek@sh.cvut.cz 85563e27dSR.Marek@sh.cvut.cz This program is free software; you can redistribute it and/or modify 95563e27dSR.Marek@sh.cvut.cz it under the terms of the GNU General Public License as published by 105563e27dSR.Marek@sh.cvut.cz the Free Software Foundation; either version 2 of the License, or 115563e27dSR.Marek@sh.cvut.cz (at your option) any later version. 125563e27dSR.Marek@sh.cvut.cz 135563e27dSR.Marek@sh.cvut.cz This program is distributed in the hope that it will be useful, 145563e27dSR.Marek@sh.cvut.cz but WITHOUT ANY WARRANTY; without even the implied warranty of 155563e27dSR.Marek@sh.cvut.cz MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 165563e27dSR.Marek@sh.cvut.cz GNU General Public License for more details. 175563e27dSR.Marek@sh.cvut.cz 185563e27dSR.Marek@sh.cvut.cz You should have received a copy of the GNU General Public License 195563e27dSR.Marek@sh.cvut.cz along with this program; if not, write to the Free Software 205563e27dSR.Marek@sh.cvut.cz Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 215563e27dSR.Marek@sh.cvut.cz 225563e27dSR.Marek@sh.cvut.cz Note: 235563e27dSR.Marek@sh.cvut.cz 1. This driver is only for 2.6 kernel, 2.4 kernel need a different driver. 245563e27dSR.Marek@sh.cvut.cz 2. This driver is only for Winbond W83792D C version device, there 255563e27dSR.Marek@sh.cvut.cz are also some motherboards with B version W83792D device. The 265563e27dSR.Marek@sh.cvut.cz calculation method to in6-in7(measured value, limits) is a little 275563e27dSR.Marek@sh.cvut.cz different between C and B version. C or B version can be identified 285563e27dSR.Marek@sh.cvut.cz by CR[0x49h]. 295563e27dSR.Marek@sh.cvut.cz */ 305563e27dSR.Marek@sh.cvut.cz 315563e27dSR.Marek@sh.cvut.cz /* 325563e27dSR.Marek@sh.cvut.cz Supports following chips: 335563e27dSR.Marek@sh.cvut.cz 345563e27dSR.Marek@sh.cvut.cz Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA 355563e27dSR.Marek@sh.cvut.cz w83792d 9 7 7 3 0x7a 0x5ca3 yes no 365563e27dSR.Marek@sh.cvut.cz */ 375563e27dSR.Marek@sh.cvut.cz 385563e27dSR.Marek@sh.cvut.cz #include <linux/config.h> 395563e27dSR.Marek@sh.cvut.cz #include <linux/module.h> 405563e27dSR.Marek@sh.cvut.cz #include <linux/init.h> 415563e27dSR.Marek@sh.cvut.cz #include <linux/slab.h> 425563e27dSR.Marek@sh.cvut.cz #include <linux/i2c.h> 43ce785ab4SR.Marek@sh.cvut.cz #include <linux/hwmon.h> 445563e27dSR.Marek@sh.cvut.cz #include <linux/hwmon-sysfs.h> 45ce785ab4SR.Marek@sh.cvut.cz #include <linux/err.h> 469a61bf63SIngo Molnar #include <linux/mutex.h> 475563e27dSR.Marek@sh.cvut.cz 485563e27dSR.Marek@sh.cvut.cz /* Addresses to scan */ 495563e27dSR.Marek@sh.cvut.cz static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; 505563e27dSR.Marek@sh.cvut.cz 515563e27dSR.Marek@sh.cvut.cz /* Insmod parameters */ 52f4b50261SJean Delvare I2C_CLIENT_INSMOD_1(w83792d); 535563e27dSR.Marek@sh.cvut.cz I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: " 545563e27dSR.Marek@sh.cvut.cz "{bus, clientaddr, subclientaddr1, subclientaddr2}"); 555563e27dSR.Marek@sh.cvut.cz 565563e27dSR.Marek@sh.cvut.cz static int init; 575563e27dSR.Marek@sh.cvut.cz module_param(init, bool, 0); 585563e27dSR.Marek@sh.cvut.cz MODULE_PARM_DESC(init, "Set to one to force chip initialization"); 595563e27dSR.Marek@sh.cvut.cz 605563e27dSR.Marek@sh.cvut.cz /* The W83792D registers */ 615563e27dSR.Marek@sh.cvut.cz static const u8 W83792D_REG_IN[9] = { 625563e27dSR.Marek@sh.cvut.cz 0x20, /* Vcore A in DataSheet */ 635563e27dSR.Marek@sh.cvut.cz 0x21, /* Vcore B in DataSheet */ 645563e27dSR.Marek@sh.cvut.cz 0x22, /* VIN0 in DataSheet */ 655563e27dSR.Marek@sh.cvut.cz 0x23, /* VIN1 in DataSheet */ 665563e27dSR.Marek@sh.cvut.cz 0x24, /* VIN2 in DataSheet */ 675563e27dSR.Marek@sh.cvut.cz 0x25, /* VIN3 in DataSheet */ 685563e27dSR.Marek@sh.cvut.cz 0x26, /* 5VCC in DataSheet */ 695563e27dSR.Marek@sh.cvut.cz 0xB0, /* 5VSB in DataSheet */ 705563e27dSR.Marek@sh.cvut.cz 0xB1 /* VBAT in DataSheet */ 715563e27dSR.Marek@sh.cvut.cz }; 725563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_LOW_BITS1 0x3E /* Low Bits I in DataSheet */ 735563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_LOW_BITS2 0x3F /* Low Bits II in DataSheet */ 745563e27dSR.Marek@sh.cvut.cz static const u8 W83792D_REG_IN_MAX[9] = { 755563e27dSR.Marek@sh.cvut.cz 0x2B, /* Vcore A High Limit in DataSheet */ 765563e27dSR.Marek@sh.cvut.cz 0x2D, /* Vcore B High Limit in DataSheet */ 775563e27dSR.Marek@sh.cvut.cz 0x2F, /* VIN0 High Limit in DataSheet */ 785563e27dSR.Marek@sh.cvut.cz 0x31, /* VIN1 High Limit in DataSheet */ 795563e27dSR.Marek@sh.cvut.cz 0x33, /* VIN2 High Limit in DataSheet */ 805563e27dSR.Marek@sh.cvut.cz 0x35, /* VIN3 High Limit in DataSheet */ 815563e27dSR.Marek@sh.cvut.cz 0x37, /* 5VCC High Limit in DataSheet */ 825563e27dSR.Marek@sh.cvut.cz 0xB4, /* 5VSB High Limit in DataSheet */ 835563e27dSR.Marek@sh.cvut.cz 0xB6 /* VBAT High Limit in DataSheet */ 845563e27dSR.Marek@sh.cvut.cz }; 855563e27dSR.Marek@sh.cvut.cz static const u8 W83792D_REG_IN_MIN[9] = { 865563e27dSR.Marek@sh.cvut.cz 0x2C, /* Vcore A Low Limit in DataSheet */ 875563e27dSR.Marek@sh.cvut.cz 0x2E, /* Vcore B Low Limit in DataSheet */ 885563e27dSR.Marek@sh.cvut.cz 0x30, /* VIN0 Low Limit in DataSheet */ 895563e27dSR.Marek@sh.cvut.cz 0x32, /* VIN1 Low Limit in DataSheet */ 905563e27dSR.Marek@sh.cvut.cz 0x34, /* VIN2 Low Limit in DataSheet */ 915563e27dSR.Marek@sh.cvut.cz 0x36, /* VIN3 Low Limit in DataSheet */ 925563e27dSR.Marek@sh.cvut.cz 0x38, /* 5VCC Low Limit in DataSheet */ 935563e27dSR.Marek@sh.cvut.cz 0xB5, /* 5VSB Low Limit in DataSheet */ 945563e27dSR.Marek@sh.cvut.cz 0xB7 /* VBAT Low Limit in DataSheet */ 955563e27dSR.Marek@sh.cvut.cz }; 965563e27dSR.Marek@sh.cvut.cz static const u8 W83792D_REG_FAN[7] = { 975563e27dSR.Marek@sh.cvut.cz 0x28, /* FAN 1 Count in DataSheet */ 985563e27dSR.Marek@sh.cvut.cz 0x29, /* FAN 2 Count in DataSheet */ 995563e27dSR.Marek@sh.cvut.cz 0x2A, /* FAN 3 Count in DataSheet */ 1005563e27dSR.Marek@sh.cvut.cz 0xB8, /* FAN 4 Count in DataSheet */ 1015563e27dSR.Marek@sh.cvut.cz 0xB9, /* FAN 5 Count in DataSheet */ 1025563e27dSR.Marek@sh.cvut.cz 0xBA, /* FAN 6 Count in DataSheet */ 1035563e27dSR.Marek@sh.cvut.cz 0xBE /* FAN 7 Count in DataSheet */ 1045563e27dSR.Marek@sh.cvut.cz }; 1055563e27dSR.Marek@sh.cvut.cz static const u8 W83792D_REG_FAN_MIN[7] = { 1065563e27dSR.Marek@sh.cvut.cz 0x3B, /* FAN 1 Count Low Limit in DataSheet */ 1075563e27dSR.Marek@sh.cvut.cz 0x3C, /* FAN 2 Count Low Limit in DataSheet */ 1085563e27dSR.Marek@sh.cvut.cz 0x3D, /* FAN 3 Count Low Limit in DataSheet */ 1095563e27dSR.Marek@sh.cvut.cz 0xBB, /* FAN 4 Count Low Limit in DataSheet */ 1105563e27dSR.Marek@sh.cvut.cz 0xBC, /* FAN 5 Count Low Limit in DataSheet */ 1115563e27dSR.Marek@sh.cvut.cz 0xBD, /* FAN 6 Count Low Limit in DataSheet */ 1125563e27dSR.Marek@sh.cvut.cz 0xBF /* FAN 7 Count Low Limit in DataSheet */ 1135563e27dSR.Marek@sh.cvut.cz }; 1145563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_FAN_CFG 0x84 /* FAN Configuration in DataSheet */ 1155563e27dSR.Marek@sh.cvut.cz static const u8 W83792D_REG_FAN_DIV[4] = { 1165563e27dSR.Marek@sh.cvut.cz 0x47, /* contains FAN2 and FAN1 Divisor */ 1175563e27dSR.Marek@sh.cvut.cz 0x5B, /* contains FAN4 and FAN3 Divisor */ 1185563e27dSR.Marek@sh.cvut.cz 0x5C, /* contains FAN6 and FAN5 Divisor */ 1195563e27dSR.Marek@sh.cvut.cz 0x9E /* contains FAN7 Divisor. */ 1205563e27dSR.Marek@sh.cvut.cz }; 1215563e27dSR.Marek@sh.cvut.cz static const u8 W83792D_REG_PWM[7] = { 1225563e27dSR.Marek@sh.cvut.cz 0x81, /* FAN 1 Duty Cycle, be used to control */ 1235563e27dSR.Marek@sh.cvut.cz 0x83, /* FAN 2 Duty Cycle, be used to control */ 1245563e27dSR.Marek@sh.cvut.cz 0x94, /* FAN 3 Duty Cycle, be used to control */ 1255563e27dSR.Marek@sh.cvut.cz 0xA3, /* FAN 4 Duty Cycle, be used to control */ 1265563e27dSR.Marek@sh.cvut.cz 0xA4, /* FAN 5 Duty Cycle, be used to control */ 1275563e27dSR.Marek@sh.cvut.cz 0xA5, /* FAN 6 Duty Cycle, be used to control */ 1285563e27dSR.Marek@sh.cvut.cz 0xA6 /* FAN 7 Duty Cycle, be used to control */ 1295563e27dSR.Marek@sh.cvut.cz }; 1305563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_BANK 0x4E 1315563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_TEMP2_CONFIG 0xC2 1325563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_TEMP3_CONFIG 0xCA 1335563e27dSR.Marek@sh.cvut.cz 1345563e27dSR.Marek@sh.cvut.cz static const u8 W83792D_REG_TEMP1[3] = { 1355563e27dSR.Marek@sh.cvut.cz 0x27, /* TEMP 1 in DataSheet */ 1365563e27dSR.Marek@sh.cvut.cz 0x39, /* TEMP 1 Over in DataSheet */ 1375563e27dSR.Marek@sh.cvut.cz 0x3A, /* TEMP 1 Hyst in DataSheet */ 1385563e27dSR.Marek@sh.cvut.cz }; 1395563e27dSR.Marek@sh.cvut.cz 1405563e27dSR.Marek@sh.cvut.cz static const u8 W83792D_REG_TEMP_ADD[2][6] = { 1415563e27dSR.Marek@sh.cvut.cz { 0xC0, /* TEMP 2 in DataSheet */ 1425563e27dSR.Marek@sh.cvut.cz 0xC1, /* TEMP 2(0.5 deg) in DataSheet */ 1435563e27dSR.Marek@sh.cvut.cz 0xC5, /* TEMP 2 Over High part in DataSheet */ 1445563e27dSR.Marek@sh.cvut.cz 0xC6, /* TEMP 2 Over Low part in DataSheet */ 1455563e27dSR.Marek@sh.cvut.cz 0xC3, /* TEMP 2 Thyst High part in DataSheet */ 1465563e27dSR.Marek@sh.cvut.cz 0xC4 }, /* TEMP 2 Thyst Low part in DataSheet */ 1475563e27dSR.Marek@sh.cvut.cz { 0xC8, /* TEMP 3 in DataSheet */ 1485563e27dSR.Marek@sh.cvut.cz 0xC9, /* TEMP 3(0.5 deg) in DataSheet */ 1495563e27dSR.Marek@sh.cvut.cz 0xCD, /* TEMP 3 Over High part in DataSheet */ 1505563e27dSR.Marek@sh.cvut.cz 0xCE, /* TEMP 3 Over Low part in DataSheet */ 1515563e27dSR.Marek@sh.cvut.cz 0xCB, /* TEMP 3 Thyst High part in DataSheet */ 1525563e27dSR.Marek@sh.cvut.cz 0xCC } /* TEMP 3 Thyst Low part in DataSheet */ 1535563e27dSR.Marek@sh.cvut.cz }; 1545563e27dSR.Marek@sh.cvut.cz 1555563e27dSR.Marek@sh.cvut.cz static const u8 W83792D_REG_THERMAL[3] = { 1565563e27dSR.Marek@sh.cvut.cz 0x85, /* SmartFanI: Fan1 target value */ 1575563e27dSR.Marek@sh.cvut.cz 0x86, /* SmartFanI: Fan2 target value */ 1585563e27dSR.Marek@sh.cvut.cz 0x96 /* SmartFanI: Fan3 target value */ 1595563e27dSR.Marek@sh.cvut.cz }; 1605563e27dSR.Marek@sh.cvut.cz 1615563e27dSR.Marek@sh.cvut.cz static const u8 W83792D_REG_TOLERANCE[3] = { 1625563e27dSR.Marek@sh.cvut.cz 0x87, /* (bit3-0)SmartFan Fan1 tolerance */ 1635563e27dSR.Marek@sh.cvut.cz 0x87, /* (bit7-4)SmartFan Fan2 tolerance */ 1645563e27dSR.Marek@sh.cvut.cz 0x97 /* (bit3-0)SmartFan Fan3 tolerance */ 1655563e27dSR.Marek@sh.cvut.cz }; 1665563e27dSR.Marek@sh.cvut.cz 1675563e27dSR.Marek@sh.cvut.cz static const u8 W83792D_REG_POINTS[3][4] = { 1685563e27dSR.Marek@sh.cvut.cz { 0x85, /* SmartFanII: Fan1 temp point 1 */ 1695563e27dSR.Marek@sh.cvut.cz 0xE3, /* SmartFanII: Fan1 temp point 2 */ 1705563e27dSR.Marek@sh.cvut.cz 0xE4, /* SmartFanII: Fan1 temp point 3 */ 1715563e27dSR.Marek@sh.cvut.cz 0xE5 }, /* SmartFanII: Fan1 temp point 4 */ 1725563e27dSR.Marek@sh.cvut.cz { 0x86, /* SmartFanII: Fan2 temp point 1 */ 1735563e27dSR.Marek@sh.cvut.cz 0xE6, /* SmartFanII: Fan2 temp point 2 */ 1745563e27dSR.Marek@sh.cvut.cz 0xE7, /* SmartFanII: Fan2 temp point 3 */ 1755563e27dSR.Marek@sh.cvut.cz 0xE8 }, /* SmartFanII: Fan2 temp point 4 */ 1765563e27dSR.Marek@sh.cvut.cz { 0x96, /* SmartFanII: Fan3 temp point 1 */ 1775563e27dSR.Marek@sh.cvut.cz 0xE9, /* SmartFanII: Fan3 temp point 2 */ 1785563e27dSR.Marek@sh.cvut.cz 0xEA, /* SmartFanII: Fan3 temp point 3 */ 1795563e27dSR.Marek@sh.cvut.cz 0xEB } /* SmartFanII: Fan3 temp point 4 */ 1805563e27dSR.Marek@sh.cvut.cz }; 1815563e27dSR.Marek@sh.cvut.cz 1825563e27dSR.Marek@sh.cvut.cz static const u8 W83792D_REG_LEVELS[3][4] = { 1835563e27dSR.Marek@sh.cvut.cz { 0x88, /* (bit3-0) SmartFanII: Fan1 Non-Stop */ 1845563e27dSR.Marek@sh.cvut.cz 0x88, /* (bit7-4) SmartFanII: Fan1 Level 1 */ 1855563e27dSR.Marek@sh.cvut.cz 0xE0, /* (bit7-4) SmartFanII: Fan1 Level 2 */ 1865563e27dSR.Marek@sh.cvut.cz 0xE0 }, /* (bit3-0) SmartFanII: Fan1 Level 3 */ 1875563e27dSR.Marek@sh.cvut.cz { 0x89, /* (bit3-0) SmartFanII: Fan2 Non-Stop */ 1885563e27dSR.Marek@sh.cvut.cz 0x89, /* (bit7-4) SmartFanII: Fan2 Level 1 */ 1895563e27dSR.Marek@sh.cvut.cz 0xE1, /* (bit7-4) SmartFanII: Fan2 Level 2 */ 1905563e27dSR.Marek@sh.cvut.cz 0xE1 }, /* (bit3-0) SmartFanII: Fan2 Level 3 */ 1915563e27dSR.Marek@sh.cvut.cz { 0x98, /* (bit3-0) SmartFanII: Fan3 Non-Stop */ 1925563e27dSR.Marek@sh.cvut.cz 0x98, /* (bit7-4) SmartFanII: Fan3 Level 1 */ 1935563e27dSR.Marek@sh.cvut.cz 0xE2, /* (bit7-4) SmartFanII: Fan3 Level 2 */ 1945563e27dSR.Marek@sh.cvut.cz 0xE2 } /* (bit3-0) SmartFanII: Fan3 Level 3 */ 1955563e27dSR.Marek@sh.cvut.cz }; 1965563e27dSR.Marek@sh.cvut.cz 19796320519SJean Delvare #define W83792D_REG_GPIO_EN 0x1A 1985563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_CONFIG 0x40 1995563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_VID_FANDIV 0x47 2005563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_CHIPID 0x49 2015563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_WCHIPID 0x58 2025563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_CHIPMAN 0x4F 2035563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_PIN 0x4B 2045563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_I2C_SUBADDR 0x4A 2055563e27dSR.Marek@sh.cvut.cz 2065563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_ALARM1 0xA9 /* realtime status register1 */ 2075563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_ALARM2 0xAA /* realtime status register2 */ 2085563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_ALARM3 0xAB /* realtime status register3 */ 2095563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_CHASSIS 0x42 /* Bit 5: Case Open status bit */ 2105563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_CHASSIS_CLR 0x44 /* Bit 7: Case Open CLR_CHS/Reset bit */ 2115563e27dSR.Marek@sh.cvut.cz 2125563e27dSR.Marek@sh.cvut.cz /* control in0/in1 's limit modifiability */ 2135563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_VID_IN_B 0x17 2145563e27dSR.Marek@sh.cvut.cz 2155563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_VBAT 0x5D 2165563e27dSR.Marek@sh.cvut.cz #define W83792D_REG_I2C_ADDR 0x48 2175563e27dSR.Marek@sh.cvut.cz 2185563e27dSR.Marek@sh.cvut.cz /* Conversions. Rounding and limit checking is only done on the TO_REG 2195563e27dSR.Marek@sh.cvut.cz variants. Note that you should be a bit careful with which arguments 2205563e27dSR.Marek@sh.cvut.cz these macros are called: arguments may be evaluated more than once. 2215563e27dSR.Marek@sh.cvut.cz Fixing this is just not worth it. */ 2225563e27dSR.Marek@sh.cvut.cz #define IN_FROM_REG(nr,val) (((nr)<=1)?(val*2): \ 2235563e27dSR.Marek@sh.cvut.cz ((((nr)==6)||((nr)==7))?(val*6):(val*4))) 2245563e27dSR.Marek@sh.cvut.cz #define IN_TO_REG(nr,val) (((nr)<=1)?(val/2): \ 2255563e27dSR.Marek@sh.cvut.cz ((((nr)==6)||((nr)==7))?(val/6):(val/4))) 2265563e27dSR.Marek@sh.cvut.cz 2275563e27dSR.Marek@sh.cvut.cz static inline u8 2285563e27dSR.Marek@sh.cvut.cz FAN_TO_REG(long rpm, int div) 2295563e27dSR.Marek@sh.cvut.cz { 2305563e27dSR.Marek@sh.cvut.cz if (rpm == 0) 2315563e27dSR.Marek@sh.cvut.cz return 255; 2325563e27dSR.Marek@sh.cvut.cz rpm = SENSORS_LIMIT(rpm, 1, 1000000); 2335563e27dSR.Marek@sh.cvut.cz return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254); 2345563e27dSR.Marek@sh.cvut.cz } 2355563e27dSR.Marek@sh.cvut.cz 2365563e27dSR.Marek@sh.cvut.cz #define FAN_FROM_REG(val,div) ((val) == 0 ? -1 : \ 2375563e27dSR.Marek@sh.cvut.cz ((val) == 255 ? 0 : \ 2385563e27dSR.Marek@sh.cvut.cz 1350000 / ((val) * (div)))) 2395563e27dSR.Marek@sh.cvut.cz 2405563e27dSR.Marek@sh.cvut.cz /* for temp1 */ 2415563e27dSR.Marek@sh.cvut.cz #define TEMP1_TO_REG(val) (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \ 2425563e27dSR.Marek@sh.cvut.cz : (val)) / 1000, 0, 0xff)) 2435563e27dSR.Marek@sh.cvut.cz #define TEMP1_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000) 2445563e27dSR.Marek@sh.cvut.cz /* for temp2 and temp3, because they need addtional resolution */ 2455563e27dSR.Marek@sh.cvut.cz #define TEMP_ADD_FROM_REG(val1, val2) \ 2465563e27dSR.Marek@sh.cvut.cz ((((val1) & 0x80 ? (val1)-0x100 \ 2475563e27dSR.Marek@sh.cvut.cz : (val1)) * 1000) + ((val2 & 0x80) ? 500 : 0)) 2485563e27dSR.Marek@sh.cvut.cz #define TEMP_ADD_TO_REG_HIGH(val) \ 2495563e27dSR.Marek@sh.cvut.cz (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \ 2505563e27dSR.Marek@sh.cvut.cz : (val)) / 1000, 0, 0xff)) 2515563e27dSR.Marek@sh.cvut.cz #define TEMP_ADD_TO_REG_LOW(val) ((val%1000) ? 0x80 : 0x00) 2525563e27dSR.Marek@sh.cvut.cz 2535563e27dSR.Marek@sh.cvut.cz #define DIV_FROM_REG(val) (1 << (val)) 2545563e27dSR.Marek@sh.cvut.cz 2555563e27dSR.Marek@sh.cvut.cz static inline u8 2565563e27dSR.Marek@sh.cvut.cz DIV_TO_REG(long val) 2575563e27dSR.Marek@sh.cvut.cz { 2585563e27dSR.Marek@sh.cvut.cz int i; 2595563e27dSR.Marek@sh.cvut.cz val = SENSORS_LIMIT(val, 1, 128) >> 1; 26096320519SJean Delvare for (i = 0; i < 7; i++) { 2615563e27dSR.Marek@sh.cvut.cz if (val == 0) 2625563e27dSR.Marek@sh.cvut.cz break; 2635563e27dSR.Marek@sh.cvut.cz val >>= 1; 2645563e27dSR.Marek@sh.cvut.cz } 2655563e27dSR.Marek@sh.cvut.cz return ((u8) i); 2665563e27dSR.Marek@sh.cvut.cz } 2675563e27dSR.Marek@sh.cvut.cz 2685563e27dSR.Marek@sh.cvut.cz struct w83792d_data { 2695563e27dSR.Marek@sh.cvut.cz struct i2c_client client; 270ce785ab4SR.Marek@sh.cvut.cz struct class_device *class_dev; 2715563e27dSR.Marek@sh.cvut.cz enum chips type; 2725563e27dSR.Marek@sh.cvut.cz 2739a61bf63SIngo Molnar struct mutex update_lock; 2745563e27dSR.Marek@sh.cvut.cz char valid; /* !=0 if following fields are valid */ 2755563e27dSR.Marek@sh.cvut.cz unsigned long last_updated; /* In jiffies */ 2765563e27dSR.Marek@sh.cvut.cz 2775563e27dSR.Marek@sh.cvut.cz /* array of 2 pointers to subclients */ 2785563e27dSR.Marek@sh.cvut.cz struct i2c_client *lm75[2]; 2795563e27dSR.Marek@sh.cvut.cz 2805563e27dSR.Marek@sh.cvut.cz u8 in[9]; /* Register value */ 2815563e27dSR.Marek@sh.cvut.cz u8 in_max[9]; /* Register value */ 2825563e27dSR.Marek@sh.cvut.cz u8 in_min[9]; /* Register value */ 28399d85560SJean Delvare u16 low_bits; /* Additional resolution to voltage in6-0 */ 2845563e27dSR.Marek@sh.cvut.cz u8 fan[7]; /* Register value */ 2855563e27dSR.Marek@sh.cvut.cz u8 fan_min[7]; /* Register value */ 2865563e27dSR.Marek@sh.cvut.cz u8 temp1[3]; /* current, over, thyst */ 2875563e27dSR.Marek@sh.cvut.cz u8 temp_add[2][6]; /* Register value */ 2885563e27dSR.Marek@sh.cvut.cz u8 fan_div[7]; /* Register encoding, shifted right */ 2895563e27dSR.Marek@sh.cvut.cz u8 pwm[7]; /* We only consider the first 3 set of pwm, 2905563e27dSR.Marek@sh.cvut.cz although 792 chip has 7 set of pwm. */ 2915563e27dSR.Marek@sh.cvut.cz u8 pwmenable[3]; 2925563e27dSR.Marek@sh.cvut.cz u32 alarms; /* realtime status register encoding,combined */ 2935563e27dSR.Marek@sh.cvut.cz u8 chassis; /* Chassis status */ 2945563e27dSR.Marek@sh.cvut.cz u8 chassis_clear; /* CLR_CHS, clear chassis intrusion detection */ 2955563e27dSR.Marek@sh.cvut.cz u8 thermal_cruise[3]; /* Smart FanI: Fan1,2,3 target value */ 2965563e27dSR.Marek@sh.cvut.cz u8 tolerance[3]; /* Fan1,2,3 tolerance(Smart Fan I/II) */ 2975563e27dSR.Marek@sh.cvut.cz u8 sf2_points[3][4]; /* Smart FanII: Fan1,2,3 temperature points */ 2985563e27dSR.Marek@sh.cvut.cz u8 sf2_levels[3][4]; /* Smart FanII: Fan1,2,3 duty cycle levels */ 2995563e27dSR.Marek@sh.cvut.cz }; 3005563e27dSR.Marek@sh.cvut.cz 3015563e27dSR.Marek@sh.cvut.cz static int w83792d_attach_adapter(struct i2c_adapter *adapter); 3025563e27dSR.Marek@sh.cvut.cz static int w83792d_detect(struct i2c_adapter *adapter, int address, int kind); 3035563e27dSR.Marek@sh.cvut.cz static int w83792d_detach_client(struct i2c_client *client); 3045563e27dSR.Marek@sh.cvut.cz static struct w83792d_data *w83792d_update_device(struct device *dev); 3055563e27dSR.Marek@sh.cvut.cz 3065563e27dSR.Marek@sh.cvut.cz #ifdef DEBUG 3075563e27dSR.Marek@sh.cvut.cz static void w83792d_print_debug(struct w83792d_data *data, struct device *dev); 3085563e27dSR.Marek@sh.cvut.cz #endif 3095563e27dSR.Marek@sh.cvut.cz 3105563e27dSR.Marek@sh.cvut.cz static void w83792d_init_client(struct i2c_client *client); 3115563e27dSR.Marek@sh.cvut.cz 3125563e27dSR.Marek@sh.cvut.cz static struct i2c_driver w83792d_driver = { 313cdaf7934SLaurent Riffard .driver = { 3145563e27dSR.Marek@sh.cvut.cz .name = "w83792d", 315cdaf7934SLaurent Riffard }, 3165563e27dSR.Marek@sh.cvut.cz .attach_adapter = w83792d_attach_adapter, 3175563e27dSR.Marek@sh.cvut.cz .detach_client = w83792d_detach_client, 3185563e27dSR.Marek@sh.cvut.cz }; 3195563e27dSR.Marek@sh.cvut.cz 32099d85560SJean Delvare static inline long in_count_from_reg(int nr, struct w83792d_data *data) 3215563e27dSR.Marek@sh.cvut.cz { 32299d85560SJean Delvare /* in7 and in8 do not have low bits, but the formula still works */ 32399d85560SJean Delvare return ((data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03)); 3245563e27dSR.Marek@sh.cvut.cz } 3255563e27dSR.Marek@sh.cvut.cz 3260d0ab7feSJean Delvare /* The SMBus locks itself. The Winbond W83792D chip has a bank register, 3270d0ab7feSJean Delvare but the driver only accesses registers in bank 0, so we don't have 3280d0ab7feSJean Delvare to switch banks and lock access between switches. */ 3290d0ab7feSJean Delvare static inline int w83792d_read_value(struct i2c_client *client, u8 reg) 3300d0ab7feSJean Delvare { 3310d0ab7feSJean Delvare return i2c_smbus_read_byte_data(client, reg); 3320d0ab7feSJean Delvare } 3330d0ab7feSJean Delvare 3340d0ab7feSJean Delvare static inline int 3350d0ab7feSJean Delvare w83792d_write_value(struct i2c_client *client, u8 reg, u8 value) 3360d0ab7feSJean Delvare { 3370d0ab7feSJean Delvare return i2c_smbus_write_byte_data(client, reg, value); 3380d0ab7feSJean Delvare } 3390d0ab7feSJean Delvare 3405563e27dSR.Marek@sh.cvut.cz /* following are the sysfs callback functions */ 3415563e27dSR.Marek@sh.cvut.cz static ssize_t show_in(struct device *dev, struct device_attribute *attr, 3425563e27dSR.Marek@sh.cvut.cz char *buf) 3435563e27dSR.Marek@sh.cvut.cz { 3445563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 3455563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->index; 3465563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = w83792d_update_device(dev); 3475563e27dSR.Marek@sh.cvut.cz return sprintf(buf,"%ld\n", IN_FROM_REG(nr,(in_count_from_reg(nr, data)))); 3485563e27dSR.Marek@sh.cvut.cz } 3495563e27dSR.Marek@sh.cvut.cz 3505563e27dSR.Marek@sh.cvut.cz #define show_in_reg(reg) \ 3515563e27dSR.Marek@sh.cvut.cz static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ 3525563e27dSR.Marek@sh.cvut.cz char *buf) \ 3535563e27dSR.Marek@sh.cvut.cz { \ 3545563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ 3555563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->index; \ 3565563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = w83792d_update_device(dev); \ 3575563e27dSR.Marek@sh.cvut.cz return sprintf(buf,"%ld\n", (long)(IN_FROM_REG(nr, (data->reg[nr])*4))); \ 3585563e27dSR.Marek@sh.cvut.cz } 3595563e27dSR.Marek@sh.cvut.cz 3605563e27dSR.Marek@sh.cvut.cz show_in_reg(in_min); 3615563e27dSR.Marek@sh.cvut.cz show_in_reg(in_max); 3625563e27dSR.Marek@sh.cvut.cz 3635563e27dSR.Marek@sh.cvut.cz #define store_in_reg(REG, reg) \ 3645563e27dSR.Marek@sh.cvut.cz static ssize_t store_in_##reg (struct device *dev, \ 3655563e27dSR.Marek@sh.cvut.cz struct device_attribute *attr, \ 3665563e27dSR.Marek@sh.cvut.cz const char *buf, size_t count) \ 3675563e27dSR.Marek@sh.cvut.cz { \ 3685563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ 3695563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->index; \ 3705563e27dSR.Marek@sh.cvut.cz struct i2c_client *client = to_i2c_client(dev); \ 3715563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = i2c_get_clientdata(client); \ 3725563e27dSR.Marek@sh.cvut.cz u32 val; \ 3735563e27dSR.Marek@sh.cvut.cz \ 3745563e27dSR.Marek@sh.cvut.cz val = simple_strtoul(buf, NULL, 10); \ 375*bed73082SYuan Mu mutex_lock(&data->update_lock); \ 3765563e27dSR.Marek@sh.cvut.cz data->in_##reg[nr] = SENSORS_LIMIT(IN_TO_REG(nr, val)/4, 0, 255); \ 3775563e27dSR.Marek@sh.cvut.cz w83792d_write_value(client, W83792D_REG_IN_##REG[nr], data->in_##reg[nr]); \ 378*bed73082SYuan Mu mutex_unlock(&data->update_lock); \ 3795563e27dSR.Marek@sh.cvut.cz \ 3805563e27dSR.Marek@sh.cvut.cz return count; \ 3815563e27dSR.Marek@sh.cvut.cz } 3825563e27dSR.Marek@sh.cvut.cz store_in_reg(MIN, min); 3835563e27dSR.Marek@sh.cvut.cz store_in_reg(MAX, max); 3845563e27dSR.Marek@sh.cvut.cz 3851f8dae31SYuan Mu static struct sensor_device_attribute sda_in_input[] = { 3861f8dae31SYuan Mu SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0), 3871f8dae31SYuan Mu SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1), 3881f8dae31SYuan Mu SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2), 3891f8dae31SYuan Mu SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3), 3901f8dae31SYuan Mu SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4), 3911f8dae31SYuan Mu SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5), 3921f8dae31SYuan Mu SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6), 3931f8dae31SYuan Mu SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7), 3941f8dae31SYuan Mu SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8), 3951f8dae31SYuan Mu }; 3961f8dae31SYuan Mu static struct sensor_device_attribute sda_in_min[] = { 3971f8dae31SYuan Mu SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0), 3981f8dae31SYuan Mu SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1), 3991f8dae31SYuan Mu SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2), 4001f8dae31SYuan Mu SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3), 4011f8dae31SYuan Mu SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4), 4021f8dae31SYuan Mu SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5), 4031f8dae31SYuan Mu SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6), 4041f8dae31SYuan Mu SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7), 4051f8dae31SYuan Mu SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8), 4061f8dae31SYuan Mu }; 4071f8dae31SYuan Mu static struct sensor_device_attribute sda_in_max[] = { 4081f8dae31SYuan Mu SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0), 4091f8dae31SYuan Mu SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1), 4101f8dae31SYuan Mu SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2), 4111f8dae31SYuan Mu SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3), 4121f8dae31SYuan Mu SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4), 4131f8dae31SYuan Mu SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5), 4141f8dae31SYuan Mu SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6), 4151f8dae31SYuan Mu SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7), 4161f8dae31SYuan Mu SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8), 4171f8dae31SYuan Mu }; 4185563e27dSR.Marek@sh.cvut.cz 4195563e27dSR.Marek@sh.cvut.cz 4205563e27dSR.Marek@sh.cvut.cz #define show_fan_reg(reg) \ 4215563e27dSR.Marek@sh.cvut.cz static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \ 4225563e27dSR.Marek@sh.cvut.cz char *buf) \ 4235563e27dSR.Marek@sh.cvut.cz { \ 4245563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ 4255563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->index - 1; \ 4265563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = w83792d_update_device(dev); \ 4275563e27dSR.Marek@sh.cvut.cz return sprintf(buf,"%d\n", \ 4285563e27dSR.Marek@sh.cvut.cz FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \ 4295563e27dSR.Marek@sh.cvut.cz } 4305563e27dSR.Marek@sh.cvut.cz 4315563e27dSR.Marek@sh.cvut.cz show_fan_reg(fan); 4325563e27dSR.Marek@sh.cvut.cz show_fan_reg(fan_min); 4335563e27dSR.Marek@sh.cvut.cz 4345563e27dSR.Marek@sh.cvut.cz static ssize_t 4355563e27dSR.Marek@sh.cvut.cz store_fan_min(struct device *dev, struct device_attribute *attr, 4365563e27dSR.Marek@sh.cvut.cz const char *buf, size_t count) 4375563e27dSR.Marek@sh.cvut.cz { 4385563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 4395563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->index - 1; 4405563e27dSR.Marek@sh.cvut.cz struct i2c_client *client = to_i2c_client(dev); 4415563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = i2c_get_clientdata(client); 4425563e27dSR.Marek@sh.cvut.cz u32 val; 4435563e27dSR.Marek@sh.cvut.cz 4445563e27dSR.Marek@sh.cvut.cz val = simple_strtoul(buf, NULL, 10); 445*bed73082SYuan Mu mutex_lock(&data->update_lock); 4465563e27dSR.Marek@sh.cvut.cz data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); 4475563e27dSR.Marek@sh.cvut.cz w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], 4485563e27dSR.Marek@sh.cvut.cz data->fan_min[nr]); 449*bed73082SYuan Mu mutex_unlock(&data->update_lock); 4505563e27dSR.Marek@sh.cvut.cz 4515563e27dSR.Marek@sh.cvut.cz return count; 4525563e27dSR.Marek@sh.cvut.cz } 4535563e27dSR.Marek@sh.cvut.cz 4545563e27dSR.Marek@sh.cvut.cz static ssize_t 4555563e27dSR.Marek@sh.cvut.cz show_fan_div(struct device *dev, struct device_attribute *attr, 4565563e27dSR.Marek@sh.cvut.cz char *buf) 4575563e27dSR.Marek@sh.cvut.cz { 4585563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 4595563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->index; 4605563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = w83792d_update_device(dev); 4615563e27dSR.Marek@sh.cvut.cz return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr - 1])); 4625563e27dSR.Marek@sh.cvut.cz } 4635563e27dSR.Marek@sh.cvut.cz 4645563e27dSR.Marek@sh.cvut.cz /* Note: we save and restore the fan minimum here, because its value is 4655563e27dSR.Marek@sh.cvut.cz determined in part by the fan divisor. This follows the principle of 4665563e27dSR.Marek@sh.cvut.cz least suprise; the user doesn't expect the fan minimum to change just 4675563e27dSR.Marek@sh.cvut.cz because the divisor changed. */ 4685563e27dSR.Marek@sh.cvut.cz static ssize_t 4695563e27dSR.Marek@sh.cvut.cz store_fan_div(struct device *dev, struct device_attribute *attr, 4705563e27dSR.Marek@sh.cvut.cz const char *buf, size_t count) 4715563e27dSR.Marek@sh.cvut.cz { 4725563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 4735563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->index - 1; 4745563e27dSR.Marek@sh.cvut.cz struct i2c_client *client = to_i2c_client(dev); 4755563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = i2c_get_clientdata(client); 4765563e27dSR.Marek@sh.cvut.cz unsigned long min; 4775563e27dSR.Marek@sh.cvut.cz /*u8 reg;*/ 4785563e27dSR.Marek@sh.cvut.cz u8 fan_div_reg = 0; 4795563e27dSR.Marek@sh.cvut.cz u8 tmp_fan_div; 4805563e27dSR.Marek@sh.cvut.cz 4815563e27dSR.Marek@sh.cvut.cz /* Save fan_min */ 482*bed73082SYuan Mu mutex_lock(&data->update_lock); 4835563e27dSR.Marek@sh.cvut.cz min = FAN_FROM_REG(data->fan_min[nr], 4845563e27dSR.Marek@sh.cvut.cz DIV_FROM_REG(data->fan_div[nr])); 4855563e27dSR.Marek@sh.cvut.cz 4865563e27dSR.Marek@sh.cvut.cz data->fan_div[nr] = DIV_TO_REG(simple_strtoul(buf, NULL, 10)); 4875563e27dSR.Marek@sh.cvut.cz 4885563e27dSR.Marek@sh.cvut.cz fan_div_reg = w83792d_read_value(client, W83792D_REG_FAN_DIV[nr >> 1]); 4895563e27dSR.Marek@sh.cvut.cz fan_div_reg &= (nr & 0x01) ? 0x8f : 0xf8; 4905563e27dSR.Marek@sh.cvut.cz tmp_fan_div = (nr & 0x01) ? (((data->fan_div[nr]) << 4) & 0x70) 4915563e27dSR.Marek@sh.cvut.cz : ((data->fan_div[nr]) & 0x07); 4925563e27dSR.Marek@sh.cvut.cz w83792d_write_value(client, W83792D_REG_FAN_DIV[nr >> 1], 4935563e27dSR.Marek@sh.cvut.cz fan_div_reg | tmp_fan_div); 4945563e27dSR.Marek@sh.cvut.cz 4955563e27dSR.Marek@sh.cvut.cz /* Restore fan_min */ 4965563e27dSR.Marek@sh.cvut.cz data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); 4975563e27dSR.Marek@sh.cvut.cz w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], data->fan_min[nr]); 498*bed73082SYuan Mu mutex_unlock(&data->update_lock); 4995563e27dSR.Marek@sh.cvut.cz 5005563e27dSR.Marek@sh.cvut.cz return count; 5015563e27dSR.Marek@sh.cvut.cz } 5025563e27dSR.Marek@sh.cvut.cz 5031f8dae31SYuan Mu static struct sensor_device_attribute sda_fan_input[] = { 5041f8dae31SYuan Mu SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 1), 5051f8dae31SYuan Mu SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 2), 5061f8dae31SYuan Mu SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 3), 5071f8dae31SYuan Mu SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 4), 5081f8dae31SYuan Mu SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 5), 5091f8dae31SYuan Mu SENSOR_ATTR(fan6_input, S_IRUGO, show_fan, NULL, 6), 5101f8dae31SYuan Mu SENSOR_ATTR(fan7_input, S_IRUGO, show_fan, NULL, 7), 5111f8dae31SYuan Mu }; 5121f8dae31SYuan Mu static struct sensor_device_attribute sda_fan_min[] = { 5131f8dae31SYuan Mu SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 1), 5141f8dae31SYuan Mu SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 2), 5151f8dae31SYuan Mu SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 3), 5161f8dae31SYuan Mu SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 4), 5171f8dae31SYuan Mu SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 5), 5181f8dae31SYuan Mu SENSOR_ATTR(fan6_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 6), 5191f8dae31SYuan Mu SENSOR_ATTR(fan7_min, S_IWUSR | S_IRUGO, show_fan_min, store_fan_min, 7), 5201f8dae31SYuan Mu }; 5211f8dae31SYuan Mu static struct sensor_device_attribute sda_fan_div[] = { 5221f8dae31SYuan Mu SENSOR_ATTR(fan1_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 1), 5231f8dae31SYuan Mu SENSOR_ATTR(fan2_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 2), 5241f8dae31SYuan Mu SENSOR_ATTR(fan3_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 3), 5251f8dae31SYuan Mu SENSOR_ATTR(fan4_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 4), 5261f8dae31SYuan Mu SENSOR_ATTR(fan5_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 5), 5271f8dae31SYuan Mu SENSOR_ATTR(fan6_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 6), 5281f8dae31SYuan Mu SENSOR_ATTR(fan7_div, S_IWUSR | S_IRUGO, show_fan_div, store_fan_div, 7), 5291f8dae31SYuan Mu }; 5305563e27dSR.Marek@sh.cvut.cz 5315563e27dSR.Marek@sh.cvut.cz 5325563e27dSR.Marek@sh.cvut.cz /* read/write the temperature1, includes measured value and limits */ 5335563e27dSR.Marek@sh.cvut.cz 5345563e27dSR.Marek@sh.cvut.cz static ssize_t show_temp1(struct device *dev, struct device_attribute *attr, 5355563e27dSR.Marek@sh.cvut.cz char *buf) 5365563e27dSR.Marek@sh.cvut.cz { 5375563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 5385563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->index; 5395563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = w83792d_update_device(dev); 5405563e27dSR.Marek@sh.cvut.cz return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[nr])); 5415563e27dSR.Marek@sh.cvut.cz } 5425563e27dSR.Marek@sh.cvut.cz 5435563e27dSR.Marek@sh.cvut.cz static ssize_t store_temp1(struct device *dev, struct device_attribute *attr, 5445563e27dSR.Marek@sh.cvut.cz const char *buf, size_t count) 5455563e27dSR.Marek@sh.cvut.cz { 5465563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 5475563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->index; 5485563e27dSR.Marek@sh.cvut.cz struct i2c_client *client = to_i2c_client(dev); 5495563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = i2c_get_clientdata(client); 5505563e27dSR.Marek@sh.cvut.cz s32 val; 5515563e27dSR.Marek@sh.cvut.cz 5525563e27dSR.Marek@sh.cvut.cz val = simple_strtol(buf, NULL, 10); 553*bed73082SYuan Mu mutex_lock(&data->update_lock); 5545563e27dSR.Marek@sh.cvut.cz data->temp1[nr] = TEMP1_TO_REG(val); 5555563e27dSR.Marek@sh.cvut.cz w83792d_write_value(client, W83792D_REG_TEMP1[nr], 5565563e27dSR.Marek@sh.cvut.cz data->temp1[nr]); 557*bed73082SYuan Mu mutex_unlock(&data->update_lock); 5585563e27dSR.Marek@sh.cvut.cz 5595563e27dSR.Marek@sh.cvut.cz return count; 5605563e27dSR.Marek@sh.cvut.cz } 5615563e27dSR.Marek@sh.cvut.cz 5625563e27dSR.Marek@sh.cvut.cz /* read/write the temperature2-3, includes measured value and limits */ 5635563e27dSR.Marek@sh.cvut.cz 5645563e27dSR.Marek@sh.cvut.cz static ssize_t show_temp23(struct device *dev, struct device_attribute *attr, 5655563e27dSR.Marek@sh.cvut.cz char *buf) 5665563e27dSR.Marek@sh.cvut.cz { 5675563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 5685563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->nr; 5695563e27dSR.Marek@sh.cvut.cz int index = sensor_attr->index; 5705563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = w83792d_update_device(dev); 5715563e27dSR.Marek@sh.cvut.cz return sprintf(buf,"%ld\n", 5725563e27dSR.Marek@sh.cvut.cz (long)TEMP_ADD_FROM_REG(data->temp_add[nr][index], 5735563e27dSR.Marek@sh.cvut.cz data->temp_add[nr][index+1])); 5745563e27dSR.Marek@sh.cvut.cz } 5755563e27dSR.Marek@sh.cvut.cz 5765563e27dSR.Marek@sh.cvut.cz static ssize_t store_temp23(struct device *dev, struct device_attribute *attr, 5775563e27dSR.Marek@sh.cvut.cz const char *buf, size_t count) 5785563e27dSR.Marek@sh.cvut.cz { 5795563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 5805563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->nr; 5815563e27dSR.Marek@sh.cvut.cz int index = sensor_attr->index; 5825563e27dSR.Marek@sh.cvut.cz struct i2c_client *client = to_i2c_client(dev); 5835563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = i2c_get_clientdata(client); 5845563e27dSR.Marek@sh.cvut.cz s32 val; 5855563e27dSR.Marek@sh.cvut.cz 5865563e27dSR.Marek@sh.cvut.cz val = simple_strtol(buf, NULL, 10); 587*bed73082SYuan Mu mutex_lock(&data->update_lock); 5885563e27dSR.Marek@sh.cvut.cz data->temp_add[nr][index] = TEMP_ADD_TO_REG_HIGH(val); 5895563e27dSR.Marek@sh.cvut.cz data->temp_add[nr][index+1] = TEMP_ADD_TO_REG_LOW(val); 5905563e27dSR.Marek@sh.cvut.cz w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index], 5915563e27dSR.Marek@sh.cvut.cz data->temp_add[nr][index]); 5925563e27dSR.Marek@sh.cvut.cz w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index+1], 5935563e27dSR.Marek@sh.cvut.cz data->temp_add[nr][index+1]); 594*bed73082SYuan Mu mutex_unlock(&data->update_lock); 5955563e27dSR.Marek@sh.cvut.cz 5965563e27dSR.Marek@sh.cvut.cz return count; 5975563e27dSR.Marek@sh.cvut.cz } 5985563e27dSR.Marek@sh.cvut.cz 5991f8dae31SYuan Mu static struct sensor_device_attribute_2 sda_temp_input[] = { 6001f8dae31SYuan Mu SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp1, NULL, 0, 0), 6011f8dae31SYuan Mu SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp23, NULL, 0, 0), 6021f8dae31SYuan Mu SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp23, NULL, 1, 0), 6031f8dae31SYuan Mu }; 6045563e27dSR.Marek@sh.cvut.cz 6051f8dae31SYuan Mu static struct sensor_device_attribute_2 sda_temp_max[] = { 6061f8dae31SYuan Mu SENSOR_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, show_temp1, store_temp1, 0, 1), 6071f8dae31SYuan Mu SENSOR_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 0, 2), 6081f8dae31SYuan Mu SENSOR_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 1, 2), 6091f8dae31SYuan Mu }; 6105563e27dSR.Marek@sh.cvut.cz 6111f8dae31SYuan Mu static struct sensor_device_attribute_2 sda_temp_max_hyst[] = { 6121f8dae31SYuan Mu SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp1, store_temp1, 0, 2), 6131f8dae31SYuan Mu SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 0, 4), 6141f8dae31SYuan Mu SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp23, store_temp23, 1, 4), 6151f8dae31SYuan Mu }; 6165563e27dSR.Marek@sh.cvut.cz 6175563e27dSR.Marek@sh.cvut.cz /* get reatime status of all sensors items: voltage, temp, fan */ 6185563e27dSR.Marek@sh.cvut.cz static ssize_t 6195563e27dSR.Marek@sh.cvut.cz show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) 6205563e27dSR.Marek@sh.cvut.cz { 6215563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = w83792d_update_device(dev); 6225563e27dSR.Marek@sh.cvut.cz return sprintf(buf, "%d\n", data->alarms); 6235563e27dSR.Marek@sh.cvut.cz } 6245563e27dSR.Marek@sh.cvut.cz 6255563e27dSR.Marek@sh.cvut.cz static 6265563e27dSR.Marek@sh.cvut.cz DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); 6275563e27dSR.Marek@sh.cvut.cz 6285563e27dSR.Marek@sh.cvut.cz static ssize_t 6295563e27dSR.Marek@sh.cvut.cz show_pwm(struct device *dev, struct device_attribute *attr, 6305563e27dSR.Marek@sh.cvut.cz char *buf) 6315563e27dSR.Marek@sh.cvut.cz { 6325563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 6335563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->index; 6345563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = w83792d_update_device(dev); 63553e2761bSYuan Mu return sprintf(buf, "%d\n", (data->pwm[nr] & 0x0f) << 4); 6365563e27dSR.Marek@sh.cvut.cz } 6375563e27dSR.Marek@sh.cvut.cz 6385563e27dSR.Marek@sh.cvut.cz static ssize_t 6395563e27dSR.Marek@sh.cvut.cz show_pwmenable(struct device *dev, struct device_attribute *attr, 6405563e27dSR.Marek@sh.cvut.cz char *buf) 6415563e27dSR.Marek@sh.cvut.cz { 6425563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 6435563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->index - 1; 6445563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = w83792d_update_device(dev); 6455563e27dSR.Marek@sh.cvut.cz long pwm_enable_tmp = 1; 6465563e27dSR.Marek@sh.cvut.cz 6475563e27dSR.Marek@sh.cvut.cz switch (data->pwmenable[nr]) { 6485563e27dSR.Marek@sh.cvut.cz case 0: 6495563e27dSR.Marek@sh.cvut.cz pwm_enable_tmp = 1; /* manual mode */ 6505563e27dSR.Marek@sh.cvut.cz break; 6515563e27dSR.Marek@sh.cvut.cz case 1: 6525563e27dSR.Marek@sh.cvut.cz pwm_enable_tmp = 3; /*thermal cruise/Smart Fan I */ 6535563e27dSR.Marek@sh.cvut.cz break; 6545563e27dSR.Marek@sh.cvut.cz case 2: 6555563e27dSR.Marek@sh.cvut.cz pwm_enable_tmp = 2; /* Smart Fan II */ 6565563e27dSR.Marek@sh.cvut.cz break; 6575563e27dSR.Marek@sh.cvut.cz } 6585563e27dSR.Marek@sh.cvut.cz 6595563e27dSR.Marek@sh.cvut.cz return sprintf(buf, "%ld\n", pwm_enable_tmp); 6605563e27dSR.Marek@sh.cvut.cz } 6615563e27dSR.Marek@sh.cvut.cz 6625563e27dSR.Marek@sh.cvut.cz static ssize_t 6635563e27dSR.Marek@sh.cvut.cz store_pwm(struct device *dev, struct device_attribute *attr, 6645563e27dSR.Marek@sh.cvut.cz const char *buf, size_t count) 6655563e27dSR.Marek@sh.cvut.cz { 6665563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 66753e2761bSYuan Mu int nr = sensor_attr->index; 6685563e27dSR.Marek@sh.cvut.cz struct i2c_client *client = to_i2c_client(dev); 6695563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = i2c_get_clientdata(client); 67053e2761bSYuan Mu u8 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 255) >> 4; 6715563e27dSR.Marek@sh.cvut.cz 67253e2761bSYuan Mu mutex_lock(&data->update_lock); 67353e2761bSYuan Mu val |= w83792d_read_value(client, W83792D_REG_PWM[nr]) & 0xf0; 67453e2761bSYuan Mu data->pwm[nr] = val; 6755563e27dSR.Marek@sh.cvut.cz w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]); 67653e2761bSYuan Mu mutex_unlock(&data->update_lock); 6775563e27dSR.Marek@sh.cvut.cz 6785563e27dSR.Marek@sh.cvut.cz return count; 6795563e27dSR.Marek@sh.cvut.cz } 6805563e27dSR.Marek@sh.cvut.cz 6815563e27dSR.Marek@sh.cvut.cz static ssize_t 6825563e27dSR.Marek@sh.cvut.cz store_pwmenable(struct device *dev, struct device_attribute *attr, 6835563e27dSR.Marek@sh.cvut.cz const char *buf, size_t count) 6845563e27dSR.Marek@sh.cvut.cz { 6855563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 6865563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->index - 1; 6875563e27dSR.Marek@sh.cvut.cz struct i2c_client *client = to_i2c_client(dev); 6885563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = i2c_get_clientdata(client); 6895563e27dSR.Marek@sh.cvut.cz u32 val; 6905563e27dSR.Marek@sh.cvut.cz u8 fan_cfg_tmp, cfg1_tmp, cfg2_tmp, cfg3_tmp, cfg4_tmp; 6915563e27dSR.Marek@sh.cvut.cz 6925563e27dSR.Marek@sh.cvut.cz val = simple_strtoul(buf, NULL, 10); 693*bed73082SYuan Mu if (val < 1 || val > 3) 694*bed73082SYuan Mu return -EINVAL; 695*bed73082SYuan Mu 696*bed73082SYuan Mu mutex_lock(&data->update_lock); 6975563e27dSR.Marek@sh.cvut.cz switch (val) { 6985563e27dSR.Marek@sh.cvut.cz case 1: 6995563e27dSR.Marek@sh.cvut.cz data->pwmenable[nr] = 0; /* manual mode */ 7005563e27dSR.Marek@sh.cvut.cz break; 7015563e27dSR.Marek@sh.cvut.cz case 2: 7025563e27dSR.Marek@sh.cvut.cz data->pwmenable[nr] = 2; /* Smart Fan II */ 7035563e27dSR.Marek@sh.cvut.cz break; 7045563e27dSR.Marek@sh.cvut.cz case 3: 7055563e27dSR.Marek@sh.cvut.cz data->pwmenable[nr] = 1; /* thermal cruise/Smart Fan I */ 7065563e27dSR.Marek@sh.cvut.cz break; 7075563e27dSR.Marek@sh.cvut.cz } 7085563e27dSR.Marek@sh.cvut.cz cfg1_tmp = data->pwmenable[0]; 7095563e27dSR.Marek@sh.cvut.cz cfg2_tmp = (data->pwmenable[1]) << 2; 7105563e27dSR.Marek@sh.cvut.cz cfg3_tmp = (data->pwmenable[2]) << 4; 7115563e27dSR.Marek@sh.cvut.cz cfg4_tmp = w83792d_read_value(client,W83792D_REG_FAN_CFG) & 0xc0; 7125563e27dSR.Marek@sh.cvut.cz fan_cfg_tmp = ((cfg4_tmp | cfg3_tmp) | cfg2_tmp) | cfg1_tmp; 7135563e27dSR.Marek@sh.cvut.cz w83792d_write_value(client, W83792D_REG_FAN_CFG, fan_cfg_tmp); 714*bed73082SYuan Mu mutex_unlock(&data->update_lock); 7155563e27dSR.Marek@sh.cvut.cz 7165563e27dSR.Marek@sh.cvut.cz return count; 7175563e27dSR.Marek@sh.cvut.cz } 7185563e27dSR.Marek@sh.cvut.cz 7191f8dae31SYuan Mu static struct sensor_device_attribute sda_pwm[] = { 72053e2761bSYuan Mu SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0), 72153e2761bSYuan Mu SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1), 72253e2761bSYuan Mu SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2), 7231f8dae31SYuan Mu }; 7241f8dae31SYuan Mu static struct sensor_device_attribute sda_pwm_enable[] = { 7251f8dae31SYuan Mu SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, 7261f8dae31SYuan Mu show_pwmenable, store_pwmenable, 1), 7271f8dae31SYuan Mu SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, 7281f8dae31SYuan Mu show_pwmenable, store_pwmenable, 2), 7291f8dae31SYuan Mu SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, 7301f8dae31SYuan Mu show_pwmenable, store_pwmenable, 3), 7311f8dae31SYuan Mu }; 7325563e27dSR.Marek@sh.cvut.cz 7335563e27dSR.Marek@sh.cvut.cz 7345563e27dSR.Marek@sh.cvut.cz static ssize_t 7355563e27dSR.Marek@sh.cvut.cz show_pwm_mode(struct device *dev, struct device_attribute *attr, 7365563e27dSR.Marek@sh.cvut.cz char *buf) 7375563e27dSR.Marek@sh.cvut.cz { 7385563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 7395563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->index; 7405563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = w83792d_update_device(dev); 74153e2761bSYuan Mu return sprintf(buf, "%d\n", data->pwm[nr] >> 7); 7425563e27dSR.Marek@sh.cvut.cz } 7435563e27dSR.Marek@sh.cvut.cz 7445563e27dSR.Marek@sh.cvut.cz static ssize_t 7455563e27dSR.Marek@sh.cvut.cz store_pwm_mode(struct device *dev, struct device_attribute *attr, 7465563e27dSR.Marek@sh.cvut.cz const char *buf, size_t count) 7475563e27dSR.Marek@sh.cvut.cz { 7485563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 74953e2761bSYuan Mu int nr = sensor_attr->index; 7505563e27dSR.Marek@sh.cvut.cz struct i2c_client *client = to_i2c_client(dev); 7515563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = i2c_get_clientdata(client); 7525563e27dSR.Marek@sh.cvut.cz u32 val; 7535563e27dSR.Marek@sh.cvut.cz 7545563e27dSR.Marek@sh.cvut.cz val = simple_strtoul(buf, NULL, 10); 75553e2761bSYuan Mu if (val != 0 && val != 1) 75653e2761bSYuan Mu return -EINVAL; 75753e2761bSYuan Mu 75853e2761bSYuan Mu mutex_lock(&data->update_lock); 75953e2761bSYuan Mu data->pwm[nr] = w83792d_read_value(client, W83792D_REG_PWM[nr]); 76053e2761bSYuan Mu if (val) { /* PWM mode */ 76153e2761bSYuan Mu data->pwm[nr] |= 0x80; 76253e2761bSYuan Mu } else { /* DC mode */ 76353e2761bSYuan Mu data->pwm[nr] &= 0x7f; 76453e2761bSYuan Mu } 76553e2761bSYuan Mu w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]); 76653e2761bSYuan Mu mutex_unlock(&data->update_lock); 7675563e27dSR.Marek@sh.cvut.cz 7685563e27dSR.Marek@sh.cvut.cz return count; 7695563e27dSR.Marek@sh.cvut.cz } 7705563e27dSR.Marek@sh.cvut.cz 7711f8dae31SYuan Mu static struct sensor_device_attribute sda_pwm_mode[] = { 7721f8dae31SYuan Mu SENSOR_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, 77353e2761bSYuan Mu show_pwm_mode, store_pwm_mode, 0), 7741f8dae31SYuan Mu SENSOR_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, 77553e2761bSYuan Mu show_pwm_mode, store_pwm_mode, 1), 7761f8dae31SYuan Mu SENSOR_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, 77753e2761bSYuan Mu show_pwm_mode, store_pwm_mode, 2), 7781f8dae31SYuan Mu }; 7795563e27dSR.Marek@sh.cvut.cz 7805563e27dSR.Marek@sh.cvut.cz 7815563e27dSR.Marek@sh.cvut.cz static ssize_t 7825563e27dSR.Marek@sh.cvut.cz show_regs_chassis(struct device *dev, struct device_attribute *attr, 7835563e27dSR.Marek@sh.cvut.cz char *buf) 7845563e27dSR.Marek@sh.cvut.cz { 7855563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = w83792d_update_device(dev); 7865563e27dSR.Marek@sh.cvut.cz return sprintf(buf, "%d\n", data->chassis); 7875563e27dSR.Marek@sh.cvut.cz } 7885563e27dSR.Marek@sh.cvut.cz 7895563e27dSR.Marek@sh.cvut.cz static DEVICE_ATTR(chassis, S_IRUGO, show_regs_chassis, NULL); 7905563e27dSR.Marek@sh.cvut.cz 7915563e27dSR.Marek@sh.cvut.cz static ssize_t 7925563e27dSR.Marek@sh.cvut.cz show_chassis_clear(struct device *dev, struct device_attribute *attr, char *buf) 7935563e27dSR.Marek@sh.cvut.cz { 7945563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = w83792d_update_device(dev); 7955563e27dSR.Marek@sh.cvut.cz return sprintf(buf, "%d\n", data->chassis_clear); 7965563e27dSR.Marek@sh.cvut.cz } 7975563e27dSR.Marek@sh.cvut.cz 7985563e27dSR.Marek@sh.cvut.cz static ssize_t 7995563e27dSR.Marek@sh.cvut.cz store_chassis_clear(struct device *dev, struct device_attribute *attr, 8005563e27dSR.Marek@sh.cvut.cz const char *buf, size_t count) 8015563e27dSR.Marek@sh.cvut.cz { 8025563e27dSR.Marek@sh.cvut.cz struct i2c_client *client = to_i2c_client(dev); 8035563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = i2c_get_clientdata(client); 8045563e27dSR.Marek@sh.cvut.cz u32 val; 8055563e27dSR.Marek@sh.cvut.cz u8 temp1 = 0, temp2 = 0; 8065563e27dSR.Marek@sh.cvut.cz 8075563e27dSR.Marek@sh.cvut.cz val = simple_strtoul(buf, NULL, 10); 808*bed73082SYuan Mu mutex_lock(&data->update_lock); 8095563e27dSR.Marek@sh.cvut.cz data->chassis_clear = SENSORS_LIMIT(val, 0 ,1); 8105563e27dSR.Marek@sh.cvut.cz temp1 = ((data->chassis_clear) << 7) & 0x80; 8115563e27dSR.Marek@sh.cvut.cz temp2 = w83792d_read_value(client, 8125563e27dSR.Marek@sh.cvut.cz W83792D_REG_CHASSIS_CLR) & 0x7f; 8135563e27dSR.Marek@sh.cvut.cz w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, temp1 | temp2); 814*bed73082SYuan Mu mutex_unlock(&data->update_lock); 8155563e27dSR.Marek@sh.cvut.cz 8165563e27dSR.Marek@sh.cvut.cz return count; 8175563e27dSR.Marek@sh.cvut.cz } 8185563e27dSR.Marek@sh.cvut.cz 8195563e27dSR.Marek@sh.cvut.cz static DEVICE_ATTR(chassis_clear, S_IRUGO | S_IWUSR, 8205563e27dSR.Marek@sh.cvut.cz show_chassis_clear, store_chassis_clear); 8215563e27dSR.Marek@sh.cvut.cz 8225563e27dSR.Marek@sh.cvut.cz /* For Smart Fan I / Thermal Cruise */ 8235563e27dSR.Marek@sh.cvut.cz static ssize_t 8245563e27dSR.Marek@sh.cvut.cz show_thermal_cruise(struct device *dev, struct device_attribute *attr, 8255563e27dSR.Marek@sh.cvut.cz char *buf) 8265563e27dSR.Marek@sh.cvut.cz { 8275563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 8285563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->index; 8295563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = w83792d_update_device(dev); 8305563e27dSR.Marek@sh.cvut.cz return sprintf(buf, "%ld\n", (long)data->thermal_cruise[nr-1]); 8315563e27dSR.Marek@sh.cvut.cz } 8325563e27dSR.Marek@sh.cvut.cz 8335563e27dSR.Marek@sh.cvut.cz static ssize_t 8345563e27dSR.Marek@sh.cvut.cz store_thermal_cruise(struct device *dev, struct device_attribute *attr, 8355563e27dSR.Marek@sh.cvut.cz const char *buf, size_t count) 8365563e27dSR.Marek@sh.cvut.cz { 8375563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 8385563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->index - 1; 8395563e27dSR.Marek@sh.cvut.cz struct i2c_client *client = to_i2c_client(dev); 8405563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = i2c_get_clientdata(client); 8415563e27dSR.Marek@sh.cvut.cz u32 val; 8425563e27dSR.Marek@sh.cvut.cz u8 target_tmp=0, target_mask=0; 8435563e27dSR.Marek@sh.cvut.cz 8445563e27dSR.Marek@sh.cvut.cz val = simple_strtoul(buf, NULL, 10); 8455563e27dSR.Marek@sh.cvut.cz target_tmp = val; 8465563e27dSR.Marek@sh.cvut.cz target_tmp = target_tmp & 0x7f; 847*bed73082SYuan Mu mutex_lock(&data->update_lock); 8485563e27dSR.Marek@sh.cvut.cz target_mask = w83792d_read_value(client, W83792D_REG_THERMAL[nr]) & 0x80; 8495563e27dSR.Marek@sh.cvut.cz data->thermal_cruise[nr] = SENSORS_LIMIT(target_tmp, 0, 255); 8505563e27dSR.Marek@sh.cvut.cz w83792d_write_value(client, W83792D_REG_THERMAL[nr], 8515563e27dSR.Marek@sh.cvut.cz (data->thermal_cruise[nr]) | target_mask); 852*bed73082SYuan Mu mutex_unlock(&data->update_lock); 8535563e27dSR.Marek@sh.cvut.cz 8545563e27dSR.Marek@sh.cvut.cz return count; 8555563e27dSR.Marek@sh.cvut.cz } 8565563e27dSR.Marek@sh.cvut.cz 8571f8dae31SYuan Mu static struct sensor_device_attribute sda_thermal_cruise[] = { 8581f8dae31SYuan Mu SENSOR_ATTR(thermal_cruise1, S_IWUSR | S_IRUGO, 8591f8dae31SYuan Mu show_thermal_cruise, store_thermal_cruise, 1), 8601f8dae31SYuan Mu SENSOR_ATTR(thermal_cruise2, S_IWUSR | S_IRUGO, 8611f8dae31SYuan Mu show_thermal_cruise, store_thermal_cruise, 2), 8621f8dae31SYuan Mu SENSOR_ATTR(thermal_cruise3, S_IWUSR | S_IRUGO, 8631f8dae31SYuan Mu show_thermal_cruise, store_thermal_cruise, 3), 8641f8dae31SYuan Mu }; 8655563e27dSR.Marek@sh.cvut.cz 8665563e27dSR.Marek@sh.cvut.cz /* For Smart Fan I/Thermal Cruise and Smart Fan II */ 8675563e27dSR.Marek@sh.cvut.cz static ssize_t 8685563e27dSR.Marek@sh.cvut.cz show_tolerance(struct device *dev, struct device_attribute *attr, 8695563e27dSR.Marek@sh.cvut.cz char *buf) 8705563e27dSR.Marek@sh.cvut.cz { 8715563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 8725563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->index; 8735563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = w83792d_update_device(dev); 8745563e27dSR.Marek@sh.cvut.cz return sprintf(buf, "%ld\n", (long)data->tolerance[nr-1]); 8755563e27dSR.Marek@sh.cvut.cz } 8765563e27dSR.Marek@sh.cvut.cz 8775563e27dSR.Marek@sh.cvut.cz static ssize_t 8785563e27dSR.Marek@sh.cvut.cz store_tolerance(struct device *dev, struct device_attribute *attr, 8795563e27dSR.Marek@sh.cvut.cz const char *buf, size_t count) 8805563e27dSR.Marek@sh.cvut.cz { 8815563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); 8825563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->index - 1; 8835563e27dSR.Marek@sh.cvut.cz struct i2c_client *client = to_i2c_client(dev); 8845563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = i2c_get_clientdata(client); 8855563e27dSR.Marek@sh.cvut.cz u32 val; 8865563e27dSR.Marek@sh.cvut.cz u8 tol_tmp, tol_mask; 8875563e27dSR.Marek@sh.cvut.cz 8885563e27dSR.Marek@sh.cvut.cz val = simple_strtoul(buf, NULL, 10); 889*bed73082SYuan Mu mutex_lock(&data->update_lock); 8905563e27dSR.Marek@sh.cvut.cz tol_mask = w83792d_read_value(client, 8915563e27dSR.Marek@sh.cvut.cz W83792D_REG_TOLERANCE[nr]) & ((nr == 1) ? 0x0f : 0xf0); 8925563e27dSR.Marek@sh.cvut.cz tol_tmp = SENSORS_LIMIT(val, 0, 15); 8935563e27dSR.Marek@sh.cvut.cz tol_tmp &= 0x0f; 8945563e27dSR.Marek@sh.cvut.cz data->tolerance[nr] = tol_tmp; 8955563e27dSR.Marek@sh.cvut.cz if (nr == 1) { 8965563e27dSR.Marek@sh.cvut.cz tol_tmp <<= 4; 8975563e27dSR.Marek@sh.cvut.cz } 8985563e27dSR.Marek@sh.cvut.cz w83792d_write_value(client, W83792D_REG_TOLERANCE[nr], 8995563e27dSR.Marek@sh.cvut.cz tol_mask | tol_tmp); 900*bed73082SYuan Mu mutex_unlock(&data->update_lock); 9015563e27dSR.Marek@sh.cvut.cz 9025563e27dSR.Marek@sh.cvut.cz return count; 9035563e27dSR.Marek@sh.cvut.cz } 9045563e27dSR.Marek@sh.cvut.cz 9051f8dae31SYuan Mu static struct sensor_device_attribute sda_tolerance[] = { 9061f8dae31SYuan Mu SENSOR_ATTR(tolerance1, S_IWUSR | S_IRUGO, 9071f8dae31SYuan Mu show_tolerance, store_tolerance, 1), 9081f8dae31SYuan Mu SENSOR_ATTR(tolerance2, S_IWUSR | S_IRUGO, 9091f8dae31SYuan Mu show_tolerance, store_tolerance, 2), 9101f8dae31SYuan Mu SENSOR_ATTR(tolerance3, S_IWUSR | S_IRUGO, 9111f8dae31SYuan Mu show_tolerance, store_tolerance, 3), 9121f8dae31SYuan Mu }; 9135563e27dSR.Marek@sh.cvut.cz 9145563e27dSR.Marek@sh.cvut.cz /* For Smart Fan II */ 9155563e27dSR.Marek@sh.cvut.cz static ssize_t 9165563e27dSR.Marek@sh.cvut.cz show_sf2_point(struct device *dev, struct device_attribute *attr, 9175563e27dSR.Marek@sh.cvut.cz char *buf) 9185563e27dSR.Marek@sh.cvut.cz { 9195563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 9205563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->nr; 9215563e27dSR.Marek@sh.cvut.cz int index = sensor_attr->index; 9225563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = w83792d_update_device(dev); 9235563e27dSR.Marek@sh.cvut.cz return sprintf(buf, "%ld\n", (long)data->sf2_points[index-1][nr-1]); 9245563e27dSR.Marek@sh.cvut.cz } 9255563e27dSR.Marek@sh.cvut.cz 9265563e27dSR.Marek@sh.cvut.cz static ssize_t 9275563e27dSR.Marek@sh.cvut.cz store_sf2_point(struct device *dev, struct device_attribute *attr, 9285563e27dSR.Marek@sh.cvut.cz const char *buf, size_t count) 9295563e27dSR.Marek@sh.cvut.cz { 9305563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 9315563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->nr - 1; 9325563e27dSR.Marek@sh.cvut.cz int index = sensor_attr->index - 1; 9335563e27dSR.Marek@sh.cvut.cz struct i2c_client *client = to_i2c_client(dev); 9345563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = i2c_get_clientdata(client); 9355563e27dSR.Marek@sh.cvut.cz u32 val; 9365563e27dSR.Marek@sh.cvut.cz u8 mask_tmp = 0; 9375563e27dSR.Marek@sh.cvut.cz 9385563e27dSR.Marek@sh.cvut.cz val = simple_strtoul(buf, NULL, 10); 939*bed73082SYuan Mu mutex_lock(&data->update_lock); 9405563e27dSR.Marek@sh.cvut.cz data->sf2_points[index][nr] = SENSORS_LIMIT(val, 0, 127); 9415563e27dSR.Marek@sh.cvut.cz mask_tmp = w83792d_read_value(client, 9425563e27dSR.Marek@sh.cvut.cz W83792D_REG_POINTS[index][nr]) & 0x80; 9435563e27dSR.Marek@sh.cvut.cz w83792d_write_value(client, W83792D_REG_POINTS[index][nr], 9445563e27dSR.Marek@sh.cvut.cz mask_tmp|data->sf2_points[index][nr]); 945*bed73082SYuan Mu mutex_unlock(&data->update_lock); 9465563e27dSR.Marek@sh.cvut.cz 9475563e27dSR.Marek@sh.cvut.cz return count; 9485563e27dSR.Marek@sh.cvut.cz } 9495563e27dSR.Marek@sh.cvut.cz 9501f8dae31SYuan Mu static struct sensor_device_attribute_2 sda_sf2_point[] = { 9511f8dae31SYuan Mu SENSOR_ATTR_2(sf2_point1_fan1, S_IRUGO | S_IWUSR, 9521f8dae31SYuan Mu show_sf2_point, store_sf2_point, 1, 1), 9531f8dae31SYuan Mu SENSOR_ATTR_2(sf2_point2_fan1, S_IRUGO | S_IWUSR, 9541f8dae31SYuan Mu show_sf2_point, store_sf2_point, 2, 1), 9551f8dae31SYuan Mu SENSOR_ATTR_2(sf2_point3_fan1, S_IRUGO | S_IWUSR, 9561f8dae31SYuan Mu show_sf2_point, store_sf2_point, 3, 1), 9571f8dae31SYuan Mu SENSOR_ATTR_2(sf2_point4_fan1, S_IRUGO | S_IWUSR, 9581f8dae31SYuan Mu show_sf2_point, store_sf2_point, 4, 1), 9595563e27dSR.Marek@sh.cvut.cz 9601f8dae31SYuan Mu SENSOR_ATTR_2(sf2_point1_fan2, S_IRUGO | S_IWUSR, 9611f8dae31SYuan Mu show_sf2_point, store_sf2_point, 1, 2), 9621f8dae31SYuan Mu SENSOR_ATTR_2(sf2_point2_fan2, S_IRUGO | S_IWUSR, 9631f8dae31SYuan Mu show_sf2_point, store_sf2_point, 2, 2), 9641f8dae31SYuan Mu SENSOR_ATTR_2(sf2_point3_fan2, S_IRUGO | S_IWUSR, 9651f8dae31SYuan Mu show_sf2_point, store_sf2_point, 3, 2), 9661f8dae31SYuan Mu SENSOR_ATTR_2(sf2_point4_fan2, S_IRUGO | S_IWUSR, 9671f8dae31SYuan Mu show_sf2_point, store_sf2_point, 4, 2), 9685563e27dSR.Marek@sh.cvut.cz 9691f8dae31SYuan Mu SENSOR_ATTR_2(sf2_point1_fan3, S_IRUGO | S_IWUSR, 9701f8dae31SYuan Mu show_sf2_point, store_sf2_point, 1, 3), 9711f8dae31SYuan Mu SENSOR_ATTR_2(sf2_point2_fan3, S_IRUGO | S_IWUSR, 9721f8dae31SYuan Mu show_sf2_point, store_sf2_point, 2, 3), 9731f8dae31SYuan Mu SENSOR_ATTR_2(sf2_point3_fan3, S_IRUGO | S_IWUSR, 9741f8dae31SYuan Mu show_sf2_point, store_sf2_point, 3, 3), 9751f8dae31SYuan Mu SENSOR_ATTR_2(sf2_point4_fan3, S_IRUGO | S_IWUSR, 9761f8dae31SYuan Mu show_sf2_point, store_sf2_point, 4, 3), 9771f8dae31SYuan Mu }; 9785563e27dSR.Marek@sh.cvut.cz 9795563e27dSR.Marek@sh.cvut.cz 9805563e27dSR.Marek@sh.cvut.cz static ssize_t 9815563e27dSR.Marek@sh.cvut.cz show_sf2_level(struct device *dev, struct device_attribute *attr, 9825563e27dSR.Marek@sh.cvut.cz char *buf) 9835563e27dSR.Marek@sh.cvut.cz { 9845563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 9855563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->nr; 9865563e27dSR.Marek@sh.cvut.cz int index = sensor_attr->index; 9875563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = w83792d_update_device(dev); 9885563e27dSR.Marek@sh.cvut.cz return sprintf(buf, "%d\n", 9895563e27dSR.Marek@sh.cvut.cz (((data->sf2_levels[index-1][nr]) * 100) / 15)); 9905563e27dSR.Marek@sh.cvut.cz } 9915563e27dSR.Marek@sh.cvut.cz 9925563e27dSR.Marek@sh.cvut.cz static ssize_t 9935563e27dSR.Marek@sh.cvut.cz store_sf2_level(struct device *dev, struct device_attribute *attr, 9945563e27dSR.Marek@sh.cvut.cz const char *buf, size_t count) 9955563e27dSR.Marek@sh.cvut.cz { 9965563e27dSR.Marek@sh.cvut.cz struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); 9975563e27dSR.Marek@sh.cvut.cz int nr = sensor_attr->nr; 9985563e27dSR.Marek@sh.cvut.cz int index = sensor_attr->index - 1; 9995563e27dSR.Marek@sh.cvut.cz struct i2c_client *client = to_i2c_client(dev); 10005563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = i2c_get_clientdata(client); 10015563e27dSR.Marek@sh.cvut.cz u32 val; 10025563e27dSR.Marek@sh.cvut.cz u8 mask_tmp=0, level_tmp=0; 10035563e27dSR.Marek@sh.cvut.cz 10045563e27dSR.Marek@sh.cvut.cz val = simple_strtoul(buf, NULL, 10); 1005*bed73082SYuan Mu mutex_lock(&data->update_lock); 10065563e27dSR.Marek@sh.cvut.cz data->sf2_levels[index][nr] = SENSORS_LIMIT((val * 15) / 100, 0, 15); 10075563e27dSR.Marek@sh.cvut.cz mask_tmp = w83792d_read_value(client, W83792D_REG_LEVELS[index][nr]) 10085563e27dSR.Marek@sh.cvut.cz & ((nr==3) ? 0xf0 : 0x0f); 10095563e27dSR.Marek@sh.cvut.cz if (nr==3) { 10105563e27dSR.Marek@sh.cvut.cz level_tmp = data->sf2_levels[index][nr]; 10115563e27dSR.Marek@sh.cvut.cz } else { 10125563e27dSR.Marek@sh.cvut.cz level_tmp = data->sf2_levels[index][nr] << 4; 10135563e27dSR.Marek@sh.cvut.cz } 10145563e27dSR.Marek@sh.cvut.cz w83792d_write_value(client, W83792D_REG_LEVELS[index][nr], level_tmp | mask_tmp); 1015*bed73082SYuan Mu mutex_unlock(&data->update_lock); 10165563e27dSR.Marek@sh.cvut.cz 10175563e27dSR.Marek@sh.cvut.cz return count; 10185563e27dSR.Marek@sh.cvut.cz } 10195563e27dSR.Marek@sh.cvut.cz 10201f8dae31SYuan Mu static struct sensor_device_attribute_2 sda_sf2_level[] = { 10211f8dae31SYuan Mu SENSOR_ATTR_2(sf2_level1_fan1, S_IRUGO | S_IWUSR, 10221f8dae31SYuan Mu show_sf2_level, store_sf2_level, 1, 1), 10231f8dae31SYuan Mu SENSOR_ATTR_2(sf2_level2_fan1, S_IRUGO | S_IWUSR, 10241f8dae31SYuan Mu show_sf2_level, store_sf2_level, 2, 1), 10251f8dae31SYuan Mu SENSOR_ATTR_2(sf2_level3_fan1, S_IRUGO | S_IWUSR, 10261f8dae31SYuan Mu show_sf2_level, store_sf2_level, 3, 1), 10275563e27dSR.Marek@sh.cvut.cz 10281f8dae31SYuan Mu SENSOR_ATTR_2(sf2_level1_fan2, S_IRUGO | S_IWUSR, 10291f8dae31SYuan Mu show_sf2_level, store_sf2_level, 1, 2), 10301f8dae31SYuan Mu SENSOR_ATTR_2(sf2_level2_fan2, S_IRUGO | S_IWUSR, 10311f8dae31SYuan Mu show_sf2_level, store_sf2_level, 2, 2), 10321f8dae31SYuan Mu SENSOR_ATTR_2(sf2_level3_fan2, S_IRUGO | S_IWUSR, 10331f8dae31SYuan Mu show_sf2_level, store_sf2_level, 3, 2), 10345563e27dSR.Marek@sh.cvut.cz 10351f8dae31SYuan Mu SENSOR_ATTR_2(sf2_level1_fan3, S_IRUGO | S_IWUSR, 10361f8dae31SYuan Mu show_sf2_level, store_sf2_level, 1, 3), 10371f8dae31SYuan Mu SENSOR_ATTR_2(sf2_level2_fan3, S_IRUGO | S_IWUSR, 10381f8dae31SYuan Mu show_sf2_level, store_sf2_level, 2, 3), 10391f8dae31SYuan Mu SENSOR_ATTR_2(sf2_level3_fan3, S_IRUGO | S_IWUSR, 10401f8dae31SYuan Mu show_sf2_level, store_sf2_level, 3, 3), 10411f8dae31SYuan Mu }; 10425563e27dSR.Marek@sh.cvut.cz 10435563e27dSR.Marek@sh.cvut.cz /* This function is called when: 10445563e27dSR.Marek@sh.cvut.cz * w83792d_driver is inserted (when this module is loaded), for each 10455563e27dSR.Marek@sh.cvut.cz available adapter 10465563e27dSR.Marek@sh.cvut.cz * when a new adapter is inserted (and w83792d_driver is still present) */ 10475563e27dSR.Marek@sh.cvut.cz static int 10485563e27dSR.Marek@sh.cvut.cz w83792d_attach_adapter(struct i2c_adapter *adapter) 10495563e27dSR.Marek@sh.cvut.cz { 10505563e27dSR.Marek@sh.cvut.cz if (!(adapter->class & I2C_CLASS_HWMON)) 10515563e27dSR.Marek@sh.cvut.cz return 0; 10522ed2dc3cSJean Delvare return i2c_probe(adapter, &addr_data, w83792d_detect); 10535563e27dSR.Marek@sh.cvut.cz } 10545563e27dSR.Marek@sh.cvut.cz 10555563e27dSR.Marek@sh.cvut.cz 10565563e27dSR.Marek@sh.cvut.cz static int 10575563e27dSR.Marek@sh.cvut.cz w83792d_create_subclient(struct i2c_adapter *adapter, 10585563e27dSR.Marek@sh.cvut.cz struct i2c_client *new_client, int addr, 10595563e27dSR.Marek@sh.cvut.cz struct i2c_client **sub_cli) 10605563e27dSR.Marek@sh.cvut.cz { 10615563e27dSR.Marek@sh.cvut.cz int err; 10625563e27dSR.Marek@sh.cvut.cz struct i2c_client *sub_client; 10635563e27dSR.Marek@sh.cvut.cz 1064ba9c2e8dSDeepak Saxena (*sub_cli) = sub_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); 10655563e27dSR.Marek@sh.cvut.cz if (!(sub_client)) { 10665563e27dSR.Marek@sh.cvut.cz return -ENOMEM; 10675563e27dSR.Marek@sh.cvut.cz } 10685563e27dSR.Marek@sh.cvut.cz sub_client->addr = 0x48 + addr; 10695563e27dSR.Marek@sh.cvut.cz i2c_set_clientdata(sub_client, NULL); 10705563e27dSR.Marek@sh.cvut.cz sub_client->adapter = adapter; 10715563e27dSR.Marek@sh.cvut.cz sub_client->driver = &w83792d_driver; 10725563e27dSR.Marek@sh.cvut.cz sub_client->flags = 0; 10735563e27dSR.Marek@sh.cvut.cz strlcpy(sub_client->name, "w83792d subclient", I2C_NAME_SIZE); 10745563e27dSR.Marek@sh.cvut.cz if ((err = i2c_attach_client(sub_client))) { 10755563e27dSR.Marek@sh.cvut.cz dev_err(&new_client->dev, "subclient registration " 10765563e27dSR.Marek@sh.cvut.cz "at address 0x%x failed\n", sub_client->addr); 10775563e27dSR.Marek@sh.cvut.cz kfree(sub_client); 10785563e27dSR.Marek@sh.cvut.cz return err; 10795563e27dSR.Marek@sh.cvut.cz } 10805563e27dSR.Marek@sh.cvut.cz return 0; 10815563e27dSR.Marek@sh.cvut.cz } 10825563e27dSR.Marek@sh.cvut.cz 10835563e27dSR.Marek@sh.cvut.cz 10845563e27dSR.Marek@sh.cvut.cz static int 10855563e27dSR.Marek@sh.cvut.cz w83792d_detect_subclients(struct i2c_adapter *adapter, int address, int kind, 10865563e27dSR.Marek@sh.cvut.cz struct i2c_client *new_client) 10875563e27dSR.Marek@sh.cvut.cz { 10885563e27dSR.Marek@sh.cvut.cz int i, id, err; 10895563e27dSR.Marek@sh.cvut.cz u8 val; 10905563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = i2c_get_clientdata(new_client); 10915563e27dSR.Marek@sh.cvut.cz 10925563e27dSR.Marek@sh.cvut.cz id = i2c_adapter_id(adapter); 10935563e27dSR.Marek@sh.cvut.cz if (force_subclients[0] == id && force_subclients[1] == address) { 10945563e27dSR.Marek@sh.cvut.cz for (i = 2; i <= 3; i++) { 10955563e27dSR.Marek@sh.cvut.cz if (force_subclients[i] < 0x48 || 10965563e27dSR.Marek@sh.cvut.cz force_subclients[i] > 0x4f) { 10975563e27dSR.Marek@sh.cvut.cz dev_err(&new_client->dev, "invalid subclient " 10985563e27dSR.Marek@sh.cvut.cz "address %d; must be 0x48-0x4f\n", 10995563e27dSR.Marek@sh.cvut.cz force_subclients[i]); 11005563e27dSR.Marek@sh.cvut.cz err = -ENODEV; 11015563e27dSR.Marek@sh.cvut.cz goto ERROR_SC_0; 11025563e27dSR.Marek@sh.cvut.cz } 11035563e27dSR.Marek@sh.cvut.cz } 11045563e27dSR.Marek@sh.cvut.cz w83792d_write_value(new_client, W83792D_REG_I2C_SUBADDR, 11055563e27dSR.Marek@sh.cvut.cz (force_subclients[2] & 0x07) | 11065563e27dSR.Marek@sh.cvut.cz ((force_subclients[3] & 0x07) << 4)); 11075563e27dSR.Marek@sh.cvut.cz } 11085563e27dSR.Marek@sh.cvut.cz 11095563e27dSR.Marek@sh.cvut.cz val = w83792d_read_value(new_client, W83792D_REG_I2C_SUBADDR); 11105563e27dSR.Marek@sh.cvut.cz if (!(val & 0x08)) { 11115563e27dSR.Marek@sh.cvut.cz err = w83792d_create_subclient(adapter, new_client, val & 0x7, 11125563e27dSR.Marek@sh.cvut.cz &data->lm75[0]); 11135563e27dSR.Marek@sh.cvut.cz if (err < 0) 11145563e27dSR.Marek@sh.cvut.cz goto ERROR_SC_0; 11155563e27dSR.Marek@sh.cvut.cz } 11165563e27dSR.Marek@sh.cvut.cz if (!(val & 0x80)) { 11175563e27dSR.Marek@sh.cvut.cz if ((data->lm75[0] != NULL) && 11185563e27dSR.Marek@sh.cvut.cz ((val & 0x7) == ((val >> 4) & 0x7))) { 11195563e27dSR.Marek@sh.cvut.cz dev_err(&new_client->dev, "duplicate addresses 0x%x, " 11205563e27dSR.Marek@sh.cvut.cz "use force_subclient\n", data->lm75[0]->addr); 11215563e27dSR.Marek@sh.cvut.cz err = -ENODEV; 11225563e27dSR.Marek@sh.cvut.cz goto ERROR_SC_1; 11235563e27dSR.Marek@sh.cvut.cz } 11245563e27dSR.Marek@sh.cvut.cz err = w83792d_create_subclient(adapter, new_client, 11255563e27dSR.Marek@sh.cvut.cz (val >> 4) & 0x7, &data->lm75[1]); 11265563e27dSR.Marek@sh.cvut.cz if (err < 0) 11275563e27dSR.Marek@sh.cvut.cz goto ERROR_SC_1; 11285563e27dSR.Marek@sh.cvut.cz } 11295563e27dSR.Marek@sh.cvut.cz 11305563e27dSR.Marek@sh.cvut.cz return 0; 11315563e27dSR.Marek@sh.cvut.cz 11325563e27dSR.Marek@sh.cvut.cz /* Undo inits in case of errors */ 11335563e27dSR.Marek@sh.cvut.cz 11345563e27dSR.Marek@sh.cvut.cz ERROR_SC_1: 11355563e27dSR.Marek@sh.cvut.cz if (data->lm75[0] != NULL) { 11365563e27dSR.Marek@sh.cvut.cz i2c_detach_client(data->lm75[0]); 11375563e27dSR.Marek@sh.cvut.cz kfree(data->lm75[0]); 11385563e27dSR.Marek@sh.cvut.cz } 11395563e27dSR.Marek@sh.cvut.cz ERROR_SC_0: 11405563e27dSR.Marek@sh.cvut.cz return err; 11415563e27dSR.Marek@sh.cvut.cz } 11425563e27dSR.Marek@sh.cvut.cz 11431f8dae31SYuan Mu static void device_create_file_fan(struct device *dev, int i) 11441f8dae31SYuan Mu { 11451f8dae31SYuan Mu device_create_file(dev, &sda_fan_input[i].dev_attr); 11461f8dae31SYuan Mu device_create_file(dev, &sda_fan_div[i].dev_attr); 11471f8dae31SYuan Mu device_create_file(dev, &sda_fan_min[i].dev_attr); 11481f8dae31SYuan Mu } 11495563e27dSR.Marek@sh.cvut.cz 11505563e27dSR.Marek@sh.cvut.cz static int 11515563e27dSR.Marek@sh.cvut.cz w83792d_detect(struct i2c_adapter *adapter, int address, int kind) 11525563e27dSR.Marek@sh.cvut.cz { 11535563e27dSR.Marek@sh.cvut.cz int i = 0, val1 = 0, val2; 11541f8dae31SYuan Mu struct i2c_client *client; 11551f8dae31SYuan Mu struct device *dev; 11565563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data; 11575563e27dSR.Marek@sh.cvut.cz int err = 0; 11585563e27dSR.Marek@sh.cvut.cz const char *client_name = ""; 11595563e27dSR.Marek@sh.cvut.cz 11605563e27dSR.Marek@sh.cvut.cz if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { 11615563e27dSR.Marek@sh.cvut.cz goto ERROR0; 11625563e27dSR.Marek@sh.cvut.cz } 11635563e27dSR.Marek@sh.cvut.cz 11645563e27dSR.Marek@sh.cvut.cz /* OK. For now, we presume we have a valid client. We now create the 11655563e27dSR.Marek@sh.cvut.cz client structure, even though we cannot fill it completely yet. 11665563e27dSR.Marek@sh.cvut.cz But it allows us to access w83792d_{read,write}_value. */ 11675563e27dSR.Marek@sh.cvut.cz 1168ba9c2e8dSDeepak Saxena if (!(data = kzalloc(sizeof(struct w83792d_data), GFP_KERNEL))) { 11695563e27dSR.Marek@sh.cvut.cz err = -ENOMEM; 11705563e27dSR.Marek@sh.cvut.cz goto ERROR0; 11715563e27dSR.Marek@sh.cvut.cz } 11725563e27dSR.Marek@sh.cvut.cz 11731f8dae31SYuan Mu client = &data->client; 11741f8dae31SYuan Mu dev = &client->dev; 11751f8dae31SYuan Mu i2c_set_clientdata(client, data); 11761f8dae31SYuan Mu client->addr = address; 11771f8dae31SYuan Mu client->adapter = adapter; 11781f8dae31SYuan Mu client->driver = &w83792d_driver; 11791f8dae31SYuan Mu client->flags = 0; 11805563e27dSR.Marek@sh.cvut.cz 11815563e27dSR.Marek@sh.cvut.cz /* Now, we do the remaining detection. */ 11825563e27dSR.Marek@sh.cvut.cz 11835563e27dSR.Marek@sh.cvut.cz /* The w83792d may be stuck in some other bank than bank 0. This may 11845563e27dSR.Marek@sh.cvut.cz make reading other information impossible. Specify a force=... or 11855563e27dSR.Marek@sh.cvut.cz force_*=... parameter, and the Winbond will be reset to the right 11865563e27dSR.Marek@sh.cvut.cz bank. */ 11875563e27dSR.Marek@sh.cvut.cz if (kind < 0) { 11881f8dae31SYuan Mu if (w83792d_read_value(client, W83792D_REG_CONFIG) & 0x80) { 1189ac987c1fSJean Delvare dev_dbg(dev, "Detection failed at step 1\n"); 11905563e27dSR.Marek@sh.cvut.cz goto ERROR1; 11915563e27dSR.Marek@sh.cvut.cz } 11921f8dae31SYuan Mu val1 = w83792d_read_value(client, W83792D_REG_BANK); 11931f8dae31SYuan Mu val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); 11945563e27dSR.Marek@sh.cvut.cz /* Check for Winbond ID if in bank 0 */ 11955563e27dSR.Marek@sh.cvut.cz if (!(val1 & 0x07)) { /* is Bank0 */ 11965563e27dSR.Marek@sh.cvut.cz if (((!(val1 & 0x80)) && (val2 != 0xa3)) || 11975563e27dSR.Marek@sh.cvut.cz ((val1 & 0x80) && (val2 != 0x5c))) { 1198ac987c1fSJean Delvare dev_dbg(dev, "Detection failed at step 2\n"); 11995563e27dSR.Marek@sh.cvut.cz goto ERROR1; 12005563e27dSR.Marek@sh.cvut.cz } 12015563e27dSR.Marek@sh.cvut.cz } 12025563e27dSR.Marek@sh.cvut.cz /* If Winbond chip, address of chip and W83792D_REG_I2C_ADDR 12035563e27dSR.Marek@sh.cvut.cz should match */ 12041f8dae31SYuan Mu if (w83792d_read_value(client, 12055563e27dSR.Marek@sh.cvut.cz W83792D_REG_I2C_ADDR) != address) { 1206ac987c1fSJean Delvare dev_dbg(dev, "Detection failed at step 3\n"); 12075563e27dSR.Marek@sh.cvut.cz goto ERROR1; 12085563e27dSR.Marek@sh.cvut.cz } 12095563e27dSR.Marek@sh.cvut.cz } 12105563e27dSR.Marek@sh.cvut.cz 12115563e27dSR.Marek@sh.cvut.cz /* We have either had a force parameter, or we have already detected the 12125563e27dSR.Marek@sh.cvut.cz Winbond. Put it now into bank 0 and Vendor ID High Byte */ 12131f8dae31SYuan Mu w83792d_write_value(client, 12145563e27dSR.Marek@sh.cvut.cz W83792D_REG_BANK, 12151f8dae31SYuan Mu (w83792d_read_value(client, 12165563e27dSR.Marek@sh.cvut.cz W83792D_REG_BANK) & 0x78) | 0x80); 12175563e27dSR.Marek@sh.cvut.cz 12185563e27dSR.Marek@sh.cvut.cz /* Determine the chip type. */ 12195563e27dSR.Marek@sh.cvut.cz if (kind <= 0) { 12205563e27dSR.Marek@sh.cvut.cz /* get vendor ID */ 12211f8dae31SYuan Mu val2 = w83792d_read_value(client, W83792D_REG_CHIPMAN); 12225563e27dSR.Marek@sh.cvut.cz if (val2 != 0x5c) { /* the vendor is NOT Winbond */ 12235563e27dSR.Marek@sh.cvut.cz goto ERROR1; 12245563e27dSR.Marek@sh.cvut.cz } 12251f8dae31SYuan Mu val1 = w83792d_read_value(client, W83792D_REG_WCHIPID); 1226c9152deaSJean Delvare if (val1 == 0x7a) { 12275563e27dSR.Marek@sh.cvut.cz kind = w83792d; 12285563e27dSR.Marek@sh.cvut.cz } else { 12295563e27dSR.Marek@sh.cvut.cz if (kind == 0) 12301f8dae31SYuan Mu dev_warn(dev, 12315563e27dSR.Marek@sh.cvut.cz "w83792d: Ignoring 'force' parameter for" 12325563e27dSR.Marek@sh.cvut.cz " unknown chip at adapter %d, address" 12335563e27dSR.Marek@sh.cvut.cz " 0x%02x\n", i2c_adapter_id(adapter), 12345563e27dSR.Marek@sh.cvut.cz address); 12355563e27dSR.Marek@sh.cvut.cz goto ERROR1; 12365563e27dSR.Marek@sh.cvut.cz } 12375563e27dSR.Marek@sh.cvut.cz } 12385563e27dSR.Marek@sh.cvut.cz 12395563e27dSR.Marek@sh.cvut.cz if (kind == w83792d) { 12405563e27dSR.Marek@sh.cvut.cz client_name = "w83792d"; 12415563e27dSR.Marek@sh.cvut.cz } else { 12421f8dae31SYuan Mu dev_err(dev, "w83792d: Internal error: unknown" 12435563e27dSR.Marek@sh.cvut.cz " kind (%d)?!?", kind); 12445563e27dSR.Marek@sh.cvut.cz goto ERROR1; 12455563e27dSR.Marek@sh.cvut.cz } 12465563e27dSR.Marek@sh.cvut.cz 12475563e27dSR.Marek@sh.cvut.cz /* Fill in the remaining client fields and put into the global list */ 12481f8dae31SYuan Mu strlcpy(client->name, client_name, I2C_NAME_SIZE); 12495563e27dSR.Marek@sh.cvut.cz data->type = kind; 12505563e27dSR.Marek@sh.cvut.cz 12515563e27dSR.Marek@sh.cvut.cz data->valid = 0; 12529a61bf63SIngo Molnar mutex_init(&data->update_lock); 12535563e27dSR.Marek@sh.cvut.cz 12545563e27dSR.Marek@sh.cvut.cz /* Tell the I2C layer a new client has arrived */ 12551f8dae31SYuan Mu if ((err = i2c_attach_client(client))) 12565563e27dSR.Marek@sh.cvut.cz goto ERROR1; 12575563e27dSR.Marek@sh.cvut.cz 12585563e27dSR.Marek@sh.cvut.cz if ((err = w83792d_detect_subclients(adapter, address, 12591f8dae31SYuan Mu kind, client))) 12605563e27dSR.Marek@sh.cvut.cz goto ERROR2; 12615563e27dSR.Marek@sh.cvut.cz 12625563e27dSR.Marek@sh.cvut.cz /* Initialize the chip */ 12631f8dae31SYuan Mu w83792d_init_client(client); 12645563e27dSR.Marek@sh.cvut.cz 12655563e27dSR.Marek@sh.cvut.cz /* A few vars need to be filled upon startup */ 126696320519SJean Delvare for (i = 0; i < 7; i++) { 12671f8dae31SYuan Mu data->fan_min[i] = w83792d_read_value(client, 12685563e27dSR.Marek@sh.cvut.cz W83792D_REG_FAN_MIN[i]); 12695563e27dSR.Marek@sh.cvut.cz } 12705563e27dSR.Marek@sh.cvut.cz 12715563e27dSR.Marek@sh.cvut.cz /* Register sysfs hooks */ 12721f8dae31SYuan Mu data->class_dev = hwmon_device_register(dev); 1273ce785ab4SR.Marek@sh.cvut.cz if (IS_ERR(data->class_dev)) { 1274ce785ab4SR.Marek@sh.cvut.cz err = PTR_ERR(data->class_dev); 1275ce785ab4SR.Marek@sh.cvut.cz goto ERROR3; 1276ce785ab4SR.Marek@sh.cvut.cz } 12771f8dae31SYuan Mu for (i = 0; i < 9; i++) { 12781f8dae31SYuan Mu device_create_file(dev, &sda_in_input[i].dev_attr); 12791f8dae31SYuan Mu device_create_file(dev, &sda_in_max[i].dev_attr); 12801f8dae31SYuan Mu device_create_file(dev, &sda_in_min[i].dev_attr); 12811f8dae31SYuan Mu } 12821f8dae31SYuan Mu for (i = 0; i < 3; i++) 12831f8dae31SYuan Mu device_create_file_fan(dev, i); 128496320519SJean Delvare 128596320519SJean Delvare /* Read GPIO enable register to check if pins for fan 4,5 are used as 128696320519SJean Delvare GPIO */ 12871f8dae31SYuan Mu val1 = w83792d_read_value(client, W83792D_REG_GPIO_EN); 128896320519SJean Delvare if (!(val1 & 0x40)) 12891f8dae31SYuan Mu device_create_file_fan(dev, 3); 129096320519SJean Delvare if (!(val1 & 0x20)) 12911f8dae31SYuan Mu device_create_file_fan(dev, 4); 129296320519SJean Delvare 12931f8dae31SYuan Mu val1 = w83792d_read_value(client, W83792D_REG_PIN); 129496320519SJean Delvare if (val1 & 0x40) 12951f8dae31SYuan Mu device_create_file_fan(dev, 5); 129696320519SJean Delvare if (val1 & 0x04) 12971f8dae31SYuan Mu device_create_file_fan(dev, 6); 12985563e27dSR.Marek@sh.cvut.cz 12991f8dae31SYuan Mu for (i = 0; i < 3; i++) { 13001f8dae31SYuan Mu device_create_file(dev, &sda_temp_input[i].dev_attr); 13011f8dae31SYuan Mu device_create_file(dev, &sda_temp_max[i].dev_attr); 13021f8dae31SYuan Mu device_create_file(dev, &sda_temp_max_hyst[i].dev_attr); 13031f8dae31SYuan Mu device_create_file(dev, &sda_thermal_cruise[i].dev_attr); 13041f8dae31SYuan Mu device_create_file(dev, &sda_tolerance[i].dev_attr); 13051f8dae31SYuan Mu } 13065563e27dSR.Marek@sh.cvut.cz 13071f8dae31SYuan Mu for (i = 0; i < ARRAY_SIZE(sda_pwm); i++) { 13081f8dae31SYuan Mu device_create_file(dev, &sda_pwm[i].dev_attr); 13091f8dae31SYuan Mu device_create_file(dev, &sda_pwm_enable[i].dev_attr); 13101f8dae31SYuan Mu device_create_file(dev, &sda_pwm_mode[i].dev_attr); 13111f8dae31SYuan Mu } 13125563e27dSR.Marek@sh.cvut.cz 131393766d2dSJean Delvare device_create_file(dev, &dev_attr_alarms); 131493766d2dSJean Delvare device_create_file(dev, &dev_attr_chassis); 131593766d2dSJean Delvare device_create_file(dev, &dev_attr_chassis_clear); 13165563e27dSR.Marek@sh.cvut.cz 13171f8dae31SYuan Mu for (i = 0; i < ARRAY_SIZE(sda_sf2_point); i++) 13181f8dae31SYuan Mu device_create_file(dev, &sda_sf2_point[i].dev_attr); 13195563e27dSR.Marek@sh.cvut.cz 13201f8dae31SYuan Mu for (i = 0; i < ARRAY_SIZE(sda_sf2_level); i++) 13211f8dae31SYuan Mu device_create_file(dev, &sda_sf2_level[i].dev_attr); 13225563e27dSR.Marek@sh.cvut.cz 13235563e27dSR.Marek@sh.cvut.cz return 0; 13245563e27dSR.Marek@sh.cvut.cz 1325ce785ab4SR.Marek@sh.cvut.cz ERROR3: 1326ce785ab4SR.Marek@sh.cvut.cz if (data->lm75[0] != NULL) { 1327ce785ab4SR.Marek@sh.cvut.cz i2c_detach_client(data->lm75[0]); 1328ce785ab4SR.Marek@sh.cvut.cz kfree(data->lm75[0]); 1329ce785ab4SR.Marek@sh.cvut.cz } 1330ce785ab4SR.Marek@sh.cvut.cz if (data->lm75[1] != NULL) { 1331ce785ab4SR.Marek@sh.cvut.cz i2c_detach_client(data->lm75[1]); 1332ce785ab4SR.Marek@sh.cvut.cz kfree(data->lm75[1]); 1333ce785ab4SR.Marek@sh.cvut.cz } 13345563e27dSR.Marek@sh.cvut.cz ERROR2: 13351f8dae31SYuan Mu i2c_detach_client(client); 13365563e27dSR.Marek@sh.cvut.cz ERROR1: 13375563e27dSR.Marek@sh.cvut.cz kfree(data); 13385563e27dSR.Marek@sh.cvut.cz ERROR0: 13395563e27dSR.Marek@sh.cvut.cz return err; 13405563e27dSR.Marek@sh.cvut.cz } 13415563e27dSR.Marek@sh.cvut.cz 13425563e27dSR.Marek@sh.cvut.cz static int 13435563e27dSR.Marek@sh.cvut.cz w83792d_detach_client(struct i2c_client *client) 13445563e27dSR.Marek@sh.cvut.cz { 1345ce785ab4SR.Marek@sh.cvut.cz struct w83792d_data *data = i2c_get_clientdata(client); 13465563e27dSR.Marek@sh.cvut.cz int err; 13475563e27dSR.Marek@sh.cvut.cz 1348ce785ab4SR.Marek@sh.cvut.cz /* main client */ 1349ce785ab4SR.Marek@sh.cvut.cz if (data) 1350ce785ab4SR.Marek@sh.cvut.cz hwmon_device_unregister(data->class_dev); 1351ce785ab4SR.Marek@sh.cvut.cz 13527bef5594SJean Delvare if ((err = i2c_detach_client(client))) 13535563e27dSR.Marek@sh.cvut.cz return err; 13545563e27dSR.Marek@sh.cvut.cz 13555563e27dSR.Marek@sh.cvut.cz /* main client */ 1356ce785ab4SR.Marek@sh.cvut.cz if (data) 1357ce785ab4SR.Marek@sh.cvut.cz kfree(data); 1358ce785ab4SR.Marek@sh.cvut.cz /* subclient */ 1359ce785ab4SR.Marek@sh.cvut.cz else 1360ce785ab4SR.Marek@sh.cvut.cz kfree(client); 13615563e27dSR.Marek@sh.cvut.cz 13625563e27dSR.Marek@sh.cvut.cz return 0; 13635563e27dSR.Marek@sh.cvut.cz } 13645563e27dSR.Marek@sh.cvut.cz 13655563e27dSR.Marek@sh.cvut.cz static void 13665563e27dSR.Marek@sh.cvut.cz w83792d_init_client(struct i2c_client *client) 13675563e27dSR.Marek@sh.cvut.cz { 13685563e27dSR.Marek@sh.cvut.cz u8 temp2_cfg, temp3_cfg, vid_in_b; 13695563e27dSR.Marek@sh.cvut.cz 13705563e27dSR.Marek@sh.cvut.cz if (init) { 13715563e27dSR.Marek@sh.cvut.cz w83792d_write_value(client, W83792D_REG_CONFIG, 0x80); 13725563e27dSR.Marek@sh.cvut.cz } 13735563e27dSR.Marek@sh.cvut.cz /* Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0): 13745563e27dSR.Marek@sh.cvut.cz W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of 13755563e27dSR.Marek@sh.cvut.cz vin0/vin1 can be modified by user; 13765563e27dSR.Marek@sh.cvut.cz W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of 13775563e27dSR.Marek@sh.cvut.cz vin0/vin1 auto-updated, can NOT be modified by user. */ 13785563e27dSR.Marek@sh.cvut.cz vid_in_b = w83792d_read_value(client, W83792D_REG_VID_IN_B); 13795563e27dSR.Marek@sh.cvut.cz w83792d_write_value(client, W83792D_REG_VID_IN_B, 13805563e27dSR.Marek@sh.cvut.cz vid_in_b & 0xbf); 13815563e27dSR.Marek@sh.cvut.cz 13825563e27dSR.Marek@sh.cvut.cz temp2_cfg = w83792d_read_value(client, W83792D_REG_TEMP2_CONFIG); 13835563e27dSR.Marek@sh.cvut.cz temp3_cfg = w83792d_read_value(client, W83792D_REG_TEMP3_CONFIG); 13845563e27dSR.Marek@sh.cvut.cz w83792d_write_value(client, W83792D_REG_TEMP2_CONFIG, 13855563e27dSR.Marek@sh.cvut.cz temp2_cfg & 0xe6); 13865563e27dSR.Marek@sh.cvut.cz w83792d_write_value(client, W83792D_REG_TEMP3_CONFIG, 13875563e27dSR.Marek@sh.cvut.cz temp3_cfg & 0xe6); 13885563e27dSR.Marek@sh.cvut.cz 13895563e27dSR.Marek@sh.cvut.cz /* Start monitoring */ 13905563e27dSR.Marek@sh.cvut.cz w83792d_write_value(client, W83792D_REG_CONFIG, 13915563e27dSR.Marek@sh.cvut.cz (w83792d_read_value(client, 13925563e27dSR.Marek@sh.cvut.cz W83792D_REG_CONFIG) & 0xf7) 13935563e27dSR.Marek@sh.cvut.cz | 0x01); 13945563e27dSR.Marek@sh.cvut.cz } 13955563e27dSR.Marek@sh.cvut.cz 13965563e27dSR.Marek@sh.cvut.cz static struct w83792d_data *w83792d_update_device(struct device *dev) 13975563e27dSR.Marek@sh.cvut.cz { 13985563e27dSR.Marek@sh.cvut.cz struct i2c_client *client = to_i2c_client(dev); 13995563e27dSR.Marek@sh.cvut.cz struct w83792d_data *data = i2c_get_clientdata(client); 14005563e27dSR.Marek@sh.cvut.cz int i, j; 140153e2761bSYuan Mu u8 reg_array_tmp[4], reg_tmp; 14025563e27dSR.Marek@sh.cvut.cz 14039a61bf63SIngo Molnar mutex_lock(&data->update_lock); 14045563e27dSR.Marek@sh.cvut.cz 14055563e27dSR.Marek@sh.cvut.cz if (time_after 14065563e27dSR.Marek@sh.cvut.cz (jiffies - data->last_updated, (unsigned long) (HZ * 3)) 14075563e27dSR.Marek@sh.cvut.cz || time_before(jiffies, data->last_updated) || !data->valid) { 14085563e27dSR.Marek@sh.cvut.cz dev_dbg(dev, "Starting device update\n"); 14095563e27dSR.Marek@sh.cvut.cz 14105563e27dSR.Marek@sh.cvut.cz /* Update the voltages measured value and limits */ 14115563e27dSR.Marek@sh.cvut.cz for (i = 0; i < 9; i++) { 14125563e27dSR.Marek@sh.cvut.cz data->in[i] = w83792d_read_value(client, 14135563e27dSR.Marek@sh.cvut.cz W83792D_REG_IN[i]); 14145563e27dSR.Marek@sh.cvut.cz data->in_max[i] = w83792d_read_value(client, 14155563e27dSR.Marek@sh.cvut.cz W83792D_REG_IN_MAX[i]); 14165563e27dSR.Marek@sh.cvut.cz data->in_min[i] = w83792d_read_value(client, 14175563e27dSR.Marek@sh.cvut.cz W83792D_REG_IN_MIN[i]); 14185563e27dSR.Marek@sh.cvut.cz } 141999d85560SJean Delvare data->low_bits = w83792d_read_value(client, 142099d85560SJean Delvare W83792D_REG_LOW_BITS1) + 142199d85560SJean Delvare (w83792d_read_value(client, 142299d85560SJean Delvare W83792D_REG_LOW_BITS2) << 8); 14235563e27dSR.Marek@sh.cvut.cz for (i = 0; i < 7; i++) { 14245563e27dSR.Marek@sh.cvut.cz /* Update the Fan measured value and limits */ 14255563e27dSR.Marek@sh.cvut.cz data->fan[i] = w83792d_read_value(client, 14265563e27dSR.Marek@sh.cvut.cz W83792D_REG_FAN[i]); 14275563e27dSR.Marek@sh.cvut.cz data->fan_min[i] = w83792d_read_value(client, 14285563e27dSR.Marek@sh.cvut.cz W83792D_REG_FAN_MIN[i]); 14295563e27dSR.Marek@sh.cvut.cz /* Update the PWM/DC Value and PWM/DC flag */ 143053e2761bSYuan Mu data->pwm[i] = w83792d_read_value(client, 14315563e27dSR.Marek@sh.cvut.cz W83792D_REG_PWM[i]); 14325563e27dSR.Marek@sh.cvut.cz } 14335563e27dSR.Marek@sh.cvut.cz 14345563e27dSR.Marek@sh.cvut.cz reg_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG); 14355563e27dSR.Marek@sh.cvut.cz data->pwmenable[0] = reg_tmp & 0x03; 14365563e27dSR.Marek@sh.cvut.cz data->pwmenable[1] = (reg_tmp>>2) & 0x03; 14375563e27dSR.Marek@sh.cvut.cz data->pwmenable[2] = (reg_tmp>>4) & 0x03; 14385563e27dSR.Marek@sh.cvut.cz 14395563e27dSR.Marek@sh.cvut.cz for (i = 0; i < 3; i++) { 14405563e27dSR.Marek@sh.cvut.cz data->temp1[i] = w83792d_read_value(client, 14415563e27dSR.Marek@sh.cvut.cz W83792D_REG_TEMP1[i]); 14425563e27dSR.Marek@sh.cvut.cz } 14435563e27dSR.Marek@sh.cvut.cz for (i = 0; i < 2; i++) { 14445563e27dSR.Marek@sh.cvut.cz for (j = 0; j < 6; j++) { 14455563e27dSR.Marek@sh.cvut.cz data->temp_add[i][j] = w83792d_read_value( 14465563e27dSR.Marek@sh.cvut.cz client,W83792D_REG_TEMP_ADD[i][j]); 14475563e27dSR.Marek@sh.cvut.cz } 14485563e27dSR.Marek@sh.cvut.cz } 14495563e27dSR.Marek@sh.cvut.cz 14505563e27dSR.Marek@sh.cvut.cz /* Update the Fan Divisor */ 14515563e27dSR.Marek@sh.cvut.cz for (i = 0; i < 4; i++) { 14525563e27dSR.Marek@sh.cvut.cz reg_array_tmp[i] = w83792d_read_value(client, 14535563e27dSR.Marek@sh.cvut.cz W83792D_REG_FAN_DIV[i]); 14545563e27dSR.Marek@sh.cvut.cz } 14555563e27dSR.Marek@sh.cvut.cz data->fan_div[0] = reg_array_tmp[0] & 0x07; 14565563e27dSR.Marek@sh.cvut.cz data->fan_div[1] = (reg_array_tmp[0] >> 4) & 0x07; 14575563e27dSR.Marek@sh.cvut.cz data->fan_div[2] = reg_array_tmp[1] & 0x07; 14585563e27dSR.Marek@sh.cvut.cz data->fan_div[3] = (reg_array_tmp[1] >> 4) & 0x07; 14595563e27dSR.Marek@sh.cvut.cz data->fan_div[4] = reg_array_tmp[2] & 0x07; 14605563e27dSR.Marek@sh.cvut.cz data->fan_div[5] = (reg_array_tmp[2] >> 4) & 0x07; 14615563e27dSR.Marek@sh.cvut.cz data->fan_div[6] = reg_array_tmp[3] & 0x07; 14625563e27dSR.Marek@sh.cvut.cz 14635563e27dSR.Marek@sh.cvut.cz /* Update the realtime status */ 14645563e27dSR.Marek@sh.cvut.cz data->alarms = w83792d_read_value(client, W83792D_REG_ALARM1) + 14655563e27dSR.Marek@sh.cvut.cz (w83792d_read_value(client, W83792D_REG_ALARM2) << 8) + 14665563e27dSR.Marek@sh.cvut.cz (w83792d_read_value(client, W83792D_REG_ALARM3) << 16); 14675563e27dSR.Marek@sh.cvut.cz 14685563e27dSR.Marek@sh.cvut.cz /* Update CaseOpen status and it's CLR_CHS. */ 14695563e27dSR.Marek@sh.cvut.cz data->chassis = (w83792d_read_value(client, 14705563e27dSR.Marek@sh.cvut.cz W83792D_REG_CHASSIS) >> 5) & 0x01; 14715563e27dSR.Marek@sh.cvut.cz data->chassis_clear = (w83792d_read_value(client, 14725563e27dSR.Marek@sh.cvut.cz W83792D_REG_CHASSIS_CLR) >> 7) & 0x01; 14735563e27dSR.Marek@sh.cvut.cz 14745563e27dSR.Marek@sh.cvut.cz /* Update Thermal Cruise/Smart Fan I target value */ 14755563e27dSR.Marek@sh.cvut.cz for (i = 0; i < 3; i++) { 14765563e27dSR.Marek@sh.cvut.cz data->thermal_cruise[i] = 14775563e27dSR.Marek@sh.cvut.cz w83792d_read_value(client, 14785563e27dSR.Marek@sh.cvut.cz W83792D_REG_THERMAL[i]) & 0x7f; 14795563e27dSR.Marek@sh.cvut.cz } 14805563e27dSR.Marek@sh.cvut.cz 14815563e27dSR.Marek@sh.cvut.cz /* Update Smart Fan I/II tolerance */ 14825563e27dSR.Marek@sh.cvut.cz reg_tmp = w83792d_read_value(client, W83792D_REG_TOLERANCE[0]); 14835563e27dSR.Marek@sh.cvut.cz data->tolerance[0] = reg_tmp & 0x0f; 14845563e27dSR.Marek@sh.cvut.cz data->tolerance[1] = (reg_tmp >> 4) & 0x0f; 14855563e27dSR.Marek@sh.cvut.cz data->tolerance[2] = w83792d_read_value(client, 14865563e27dSR.Marek@sh.cvut.cz W83792D_REG_TOLERANCE[2]) & 0x0f; 14875563e27dSR.Marek@sh.cvut.cz 14885563e27dSR.Marek@sh.cvut.cz /* Update Smart Fan II temperature points */ 14895563e27dSR.Marek@sh.cvut.cz for (i = 0; i < 3; i++) { 14905563e27dSR.Marek@sh.cvut.cz for (j = 0; j < 4; j++) { 14915563e27dSR.Marek@sh.cvut.cz data->sf2_points[i][j] = w83792d_read_value( 14925563e27dSR.Marek@sh.cvut.cz client,W83792D_REG_POINTS[i][j]) & 0x7f; 14935563e27dSR.Marek@sh.cvut.cz } 14945563e27dSR.Marek@sh.cvut.cz } 14955563e27dSR.Marek@sh.cvut.cz 14965563e27dSR.Marek@sh.cvut.cz /* Update Smart Fan II duty cycle levels */ 14975563e27dSR.Marek@sh.cvut.cz for (i = 0; i < 3; i++) { 14985563e27dSR.Marek@sh.cvut.cz reg_tmp = w83792d_read_value(client, 14995563e27dSR.Marek@sh.cvut.cz W83792D_REG_LEVELS[i][0]); 15005563e27dSR.Marek@sh.cvut.cz data->sf2_levels[i][0] = reg_tmp & 0x0f; 15015563e27dSR.Marek@sh.cvut.cz data->sf2_levels[i][1] = (reg_tmp >> 4) & 0x0f; 15025563e27dSR.Marek@sh.cvut.cz reg_tmp = w83792d_read_value(client, 15035563e27dSR.Marek@sh.cvut.cz W83792D_REG_LEVELS[i][2]); 15045563e27dSR.Marek@sh.cvut.cz data->sf2_levels[i][2] = (reg_tmp >> 4) & 0x0f; 15055563e27dSR.Marek@sh.cvut.cz data->sf2_levels[i][3] = reg_tmp & 0x0f; 15065563e27dSR.Marek@sh.cvut.cz } 15075563e27dSR.Marek@sh.cvut.cz 15085563e27dSR.Marek@sh.cvut.cz data->last_updated = jiffies; 15095563e27dSR.Marek@sh.cvut.cz data->valid = 1; 15105563e27dSR.Marek@sh.cvut.cz } 15115563e27dSR.Marek@sh.cvut.cz 15129a61bf63SIngo Molnar mutex_unlock(&data->update_lock); 15135563e27dSR.Marek@sh.cvut.cz 15145563e27dSR.Marek@sh.cvut.cz #ifdef DEBUG 15155563e27dSR.Marek@sh.cvut.cz w83792d_print_debug(data, dev); 15165563e27dSR.Marek@sh.cvut.cz #endif 15175563e27dSR.Marek@sh.cvut.cz 15185563e27dSR.Marek@sh.cvut.cz return data; 15195563e27dSR.Marek@sh.cvut.cz } 15205563e27dSR.Marek@sh.cvut.cz 15215563e27dSR.Marek@sh.cvut.cz #ifdef DEBUG 15225563e27dSR.Marek@sh.cvut.cz static void w83792d_print_debug(struct w83792d_data *data, struct device *dev) 15235563e27dSR.Marek@sh.cvut.cz { 15245563e27dSR.Marek@sh.cvut.cz int i=0, j=0; 15255563e27dSR.Marek@sh.cvut.cz dev_dbg(dev, "==========The following is the debug message...========\n"); 15265563e27dSR.Marek@sh.cvut.cz dev_dbg(dev, "9 set of Voltages: =====>\n"); 15275563e27dSR.Marek@sh.cvut.cz for (i=0; i<9; i++) { 15285563e27dSR.Marek@sh.cvut.cz dev_dbg(dev, "vin[%d] is: 0x%x\n", i, data->in[i]); 15295563e27dSR.Marek@sh.cvut.cz dev_dbg(dev, "vin[%d] max is: 0x%x\n", i, data->in_max[i]); 15305563e27dSR.Marek@sh.cvut.cz dev_dbg(dev, "vin[%d] min is: 0x%x\n", i, data->in_min[i]); 15315563e27dSR.Marek@sh.cvut.cz } 153299d85560SJean Delvare dev_dbg(dev, "Low Bit1 is: 0x%x\n", data->low_bits & 0xff); 153399d85560SJean Delvare dev_dbg(dev, "Low Bit2 is: 0x%x\n", data->low_bits >> 8); 15345563e27dSR.Marek@sh.cvut.cz dev_dbg(dev, "7 set of Fan Counts and Duty Cycles: =====>\n"); 15355563e27dSR.Marek@sh.cvut.cz for (i=0; i<7; i++) { 15365563e27dSR.Marek@sh.cvut.cz dev_dbg(dev, "fan[%d] is: 0x%x\n", i, data->fan[i]); 15375563e27dSR.Marek@sh.cvut.cz dev_dbg(dev, "fan[%d] min is: 0x%x\n", i, data->fan_min[i]); 15385563e27dSR.Marek@sh.cvut.cz dev_dbg(dev, "pwm[%d] is: 0x%x\n", i, data->pwm[i]); 15395563e27dSR.Marek@sh.cvut.cz } 15405563e27dSR.Marek@sh.cvut.cz dev_dbg(dev, "3 set of Temperatures: =====>\n"); 15415563e27dSR.Marek@sh.cvut.cz for (i=0; i<3; i++) { 15425563e27dSR.Marek@sh.cvut.cz dev_dbg(dev, "temp1[%d] is: 0x%x\n", i, data->temp1[i]); 15435563e27dSR.Marek@sh.cvut.cz } 15445563e27dSR.Marek@sh.cvut.cz 15455563e27dSR.Marek@sh.cvut.cz for (i=0; i<2; i++) { 15465563e27dSR.Marek@sh.cvut.cz for (j=0; j<6; j++) { 15475563e27dSR.Marek@sh.cvut.cz dev_dbg(dev, "temp_add[%d][%d] is: 0x%x\n", i, j, 15485563e27dSR.Marek@sh.cvut.cz data->temp_add[i][j]); 15495563e27dSR.Marek@sh.cvut.cz } 15505563e27dSR.Marek@sh.cvut.cz } 15515563e27dSR.Marek@sh.cvut.cz 15525563e27dSR.Marek@sh.cvut.cz for (i=0; i<7; i++) { 15535563e27dSR.Marek@sh.cvut.cz dev_dbg(dev, "fan_div[%d] is: 0x%x\n", i, data->fan_div[i]); 15545563e27dSR.Marek@sh.cvut.cz } 15555563e27dSR.Marek@sh.cvut.cz dev_dbg(dev, "==========End of the debug message...==================\n"); 15565563e27dSR.Marek@sh.cvut.cz dev_dbg(dev, "\n"); 15575563e27dSR.Marek@sh.cvut.cz } 15585563e27dSR.Marek@sh.cvut.cz #endif 15595563e27dSR.Marek@sh.cvut.cz 15605563e27dSR.Marek@sh.cvut.cz static int __init 15615563e27dSR.Marek@sh.cvut.cz sensors_w83792d_init(void) 15625563e27dSR.Marek@sh.cvut.cz { 15635563e27dSR.Marek@sh.cvut.cz return i2c_add_driver(&w83792d_driver); 15645563e27dSR.Marek@sh.cvut.cz } 15655563e27dSR.Marek@sh.cvut.cz 15665563e27dSR.Marek@sh.cvut.cz static void __exit 15675563e27dSR.Marek@sh.cvut.cz sensors_w83792d_exit(void) 15685563e27dSR.Marek@sh.cvut.cz { 15695563e27dSR.Marek@sh.cvut.cz i2c_del_driver(&w83792d_driver); 15705563e27dSR.Marek@sh.cvut.cz } 15715563e27dSR.Marek@sh.cvut.cz 15725563e27dSR.Marek@sh.cvut.cz MODULE_AUTHOR("Chunhao Huang @ Winbond <DZShen@Winbond.com.tw>"); 15735563e27dSR.Marek@sh.cvut.cz MODULE_DESCRIPTION("W83792AD/D driver for linux-2.6"); 15745563e27dSR.Marek@sh.cvut.cz MODULE_LICENSE("GPL"); 15755563e27dSR.Marek@sh.cvut.cz 15765563e27dSR.Marek@sh.cvut.cz module_init(sensors_w83792d_init); 15775563e27dSR.Marek@sh.cvut.cz module_exit(sensors_w83792d_exit); 15785563e27dSR.Marek@sh.cvut.cz 1579