R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1 | /* |
| 2 | w83792d.c - Part of lm_sensors, Linux kernel modules for hardware |
| 3 | monitoring |
| 4 | Copyright (C) 2004, 2005 Winbond Electronics Corp. |
| 5 | Chunhao Huang <DZShen@Winbond.com.tw>, |
| 6 | Rudolf Marek <r.marek@sh.cvut.cz> |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 2 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 21 | |
| 22 | Note: |
| 23 | 1. This driver is only for 2.6 kernel, 2.4 kernel need a different driver. |
| 24 | 2. This driver is only for Winbond W83792D C version device, there |
| 25 | are also some motherboards with B version W83792D device. The |
| 26 | calculation method to in6-in7(measured value, limits) is a little |
| 27 | different between C and B version. C or B version can be identified |
| 28 | by CR[0x49h]. |
| 29 | */ |
| 30 | |
| 31 | /* |
| 32 | Supports following chips: |
| 33 | |
| 34 | Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA |
| 35 | w83792d 9 7 7 3 0x7a 0x5ca3 yes no |
| 36 | */ |
| 37 | |
| 38 | #include <linux/config.h> |
| 39 | #include <linux/module.h> |
| 40 | #include <linux/init.h> |
| 41 | #include <linux/slab.h> |
| 42 | #include <linux/i2c.h> |
R.Marek@sh.cvut.cz | ce785ab | 2005-07-27 11:50:18 +0000 | [diff] [blame] | 43 | #include <linux/hwmon.h> |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 44 | #include <linux/hwmon-sysfs.h> |
R.Marek@sh.cvut.cz | ce785ab | 2005-07-27 11:50:18 +0000 | [diff] [blame] | 45 | #include <linux/err.h> |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 46 | |
| 47 | /* Addresses to scan */ |
| 48 | static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END }; |
| 49 | |
| 50 | /* Insmod parameters */ |
Jean Delvare | f4b5026 | 2005-07-31 21:49:03 +0200 | [diff] [blame] | 51 | I2C_CLIENT_INSMOD_1(w83792d); |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 52 | I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: " |
| 53 | "{bus, clientaddr, subclientaddr1, subclientaddr2}"); |
| 54 | |
| 55 | static int init; |
| 56 | module_param(init, bool, 0); |
| 57 | MODULE_PARM_DESC(init, "Set to one to force chip initialization"); |
| 58 | |
| 59 | /* The W83792D registers */ |
| 60 | static const u8 W83792D_REG_IN[9] = { |
| 61 | 0x20, /* Vcore A in DataSheet */ |
| 62 | 0x21, /* Vcore B in DataSheet */ |
| 63 | 0x22, /* VIN0 in DataSheet */ |
| 64 | 0x23, /* VIN1 in DataSheet */ |
| 65 | 0x24, /* VIN2 in DataSheet */ |
| 66 | 0x25, /* VIN3 in DataSheet */ |
| 67 | 0x26, /* 5VCC in DataSheet */ |
| 68 | 0xB0, /* 5VSB in DataSheet */ |
| 69 | 0xB1 /* VBAT in DataSheet */ |
| 70 | }; |
| 71 | #define W83792D_REG_LOW_BITS1 0x3E /* Low Bits I in DataSheet */ |
| 72 | #define W83792D_REG_LOW_BITS2 0x3F /* Low Bits II in DataSheet */ |
| 73 | static const u8 W83792D_REG_IN_MAX[9] = { |
| 74 | 0x2B, /* Vcore A High Limit in DataSheet */ |
| 75 | 0x2D, /* Vcore B High Limit in DataSheet */ |
| 76 | 0x2F, /* VIN0 High Limit in DataSheet */ |
| 77 | 0x31, /* VIN1 High Limit in DataSheet */ |
| 78 | 0x33, /* VIN2 High Limit in DataSheet */ |
| 79 | 0x35, /* VIN3 High Limit in DataSheet */ |
| 80 | 0x37, /* 5VCC High Limit in DataSheet */ |
| 81 | 0xB4, /* 5VSB High Limit in DataSheet */ |
| 82 | 0xB6 /* VBAT High Limit in DataSheet */ |
| 83 | }; |
| 84 | static const u8 W83792D_REG_IN_MIN[9] = { |
| 85 | 0x2C, /* Vcore A Low Limit in DataSheet */ |
| 86 | 0x2E, /* Vcore B Low Limit in DataSheet */ |
| 87 | 0x30, /* VIN0 Low Limit in DataSheet */ |
| 88 | 0x32, /* VIN1 Low Limit in DataSheet */ |
| 89 | 0x34, /* VIN2 Low Limit in DataSheet */ |
| 90 | 0x36, /* VIN3 Low Limit in DataSheet */ |
| 91 | 0x38, /* 5VCC Low Limit in DataSheet */ |
| 92 | 0xB5, /* 5VSB Low Limit in DataSheet */ |
| 93 | 0xB7 /* VBAT Low Limit in DataSheet */ |
| 94 | }; |
| 95 | static const u8 W83792D_REG_FAN[7] = { |
| 96 | 0x28, /* FAN 1 Count in DataSheet */ |
| 97 | 0x29, /* FAN 2 Count in DataSheet */ |
| 98 | 0x2A, /* FAN 3 Count in DataSheet */ |
| 99 | 0xB8, /* FAN 4 Count in DataSheet */ |
| 100 | 0xB9, /* FAN 5 Count in DataSheet */ |
| 101 | 0xBA, /* FAN 6 Count in DataSheet */ |
| 102 | 0xBE /* FAN 7 Count in DataSheet */ |
| 103 | }; |
| 104 | static const u8 W83792D_REG_FAN_MIN[7] = { |
| 105 | 0x3B, /* FAN 1 Count Low Limit in DataSheet */ |
| 106 | 0x3C, /* FAN 2 Count Low Limit in DataSheet */ |
| 107 | 0x3D, /* FAN 3 Count Low Limit in DataSheet */ |
| 108 | 0xBB, /* FAN 4 Count Low Limit in DataSheet */ |
| 109 | 0xBC, /* FAN 5 Count Low Limit in DataSheet */ |
| 110 | 0xBD, /* FAN 6 Count Low Limit in DataSheet */ |
| 111 | 0xBF /* FAN 7 Count Low Limit in DataSheet */ |
| 112 | }; |
| 113 | #define W83792D_REG_FAN_CFG 0x84 /* FAN Configuration in DataSheet */ |
| 114 | static const u8 W83792D_REG_FAN_DIV[4] = { |
| 115 | 0x47, /* contains FAN2 and FAN1 Divisor */ |
| 116 | 0x5B, /* contains FAN4 and FAN3 Divisor */ |
| 117 | 0x5C, /* contains FAN6 and FAN5 Divisor */ |
| 118 | 0x9E /* contains FAN7 Divisor. */ |
| 119 | }; |
| 120 | static const u8 W83792D_REG_PWM[7] = { |
| 121 | 0x81, /* FAN 1 Duty Cycle, be used to control */ |
| 122 | 0x83, /* FAN 2 Duty Cycle, be used to control */ |
| 123 | 0x94, /* FAN 3 Duty Cycle, be used to control */ |
| 124 | 0xA3, /* FAN 4 Duty Cycle, be used to control */ |
| 125 | 0xA4, /* FAN 5 Duty Cycle, be used to control */ |
| 126 | 0xA5, /* FAN 6 Duty Cycle, be used to control */ |
| 127 | 0xA6 /* FAN 7 Duty Cycle, be used to control */ |
| 128 | }; |
| 129 | #define W83792D_REG_BANK 0x4E |
| 130 | #define W83792D_REG_TEMP2_CONFIG 0xC2 |
| 131 | #define W83792D_REG_TEMP3_CONFIG 0xCA |
| 132 | |
| 133 | static const u8 W83792D_REG_TEMP1[3] = { |
| 134 | 0x27, /* TEMP 1 in DataSheet */ |
| 135 | 0x39, /* TEMP 1 Over in DataSheet */ |
| 136 | 0x3A, /* TEMP 1 Hyst in DataSheet */ |
| 137 | }; |
| 138 | |
| 139 | static const u8 W83792D_REG_TEMP_ADD[2][6] = { |
| 140 | { 0xC0, /* TEMP 2 in DataSheet */ |
| 141 | 0xC1, /* TEMP 2(0.5 deg) in DataSheet */ |
| 142 | 0xC5, /* TEMP 2 Over High part in DataSheet */ |
| 143 | 0xC6, /* TEMP 2 Over Low part in DataSheet */ |
| 144 | 0xC3, /* TEMP 2 Thyst High part in DataSheet */ |
| 145 | 0xC4 }, /* TEMP 2 Thyst Low part in DataSheet */ |
| 146 | { 0xC8, /* TEMP 3 in DataSheet */ |
| 147 | 0xC9, /* TEMP 3(0.5 deg) in DataSheet */ |
| 148 | 0xCD, /* TEMP 3 Over High part in DataSheet */ |
| 149 | 0xCE, /* TEMP 3 Over Low part in DataSheet */ |
| 150 | 0xCB, /* TEMP 3 Thyst High part in DataSheet */ |
| 151 | 0xCC } /* TEMP 3 Thyst Low part in DataSheet */ |
| 152 | }; |
| 153 | |
| 154 | static const u8 W83792D_REG_THERMAL[3] = { |
| 155 | 0x85, /* SmartFanI: Fan1 target value */ |
| 156 | 0x86, /* SmartFanI: Fan2 target value */ |
| 157 | 0x96 /* SmartFanI: Fan3 target value */ |
| 158 | }; |
| 159 | |
| 160 | static const u8 W83792D_REG_TOLERANCE[3] = { |
| 161 | 0x87, /* (bit3-0)SmartFan Fan1 tolerance */ |
| 162 | 0x87, /* (bit7-4)SmartFan Fan2 tolerance */ |
| 163 | 0x97 /* (bit3-0)SmartFan Fan3 tolerance */ |
| 164 | }; |
| 165 | |
| 166 | static const u8 W83792D_REG_POINTS[3][4] = { |
| 167 | { 0x85, /* SmartFanII: Fan1 temp point 1 */ |
| 168 | 0xE3, /* SmartFanII: Fan1 temp point 2 */ |
| 169 | 0xE4, /* SmartFanII: Fan1 temp point 3 */ |
| 170 | 0xE5 }, /* SmartFanII: Fan1 temp point 4 */ |
| 171 | { 0x86, /* SmartFanII: Fan2 temp point 1 */ |
| 172 | 0xE6, /* SmartFanII: Fan2 temp point 2 */ |
| 173 | 0xE7, /* SmartFanII: Fan2 temp point 3 */ |
| 174 | 0xE8 }, /* SmartFanII: Fan2 temp point 4 */ |
| 175 | { 0x96, /* SmartFanII: Fan3 temp point 1 */ |
| 176 | 0xE9, /* SmartFanII: Fan3 temp point 2 */ |
| 177 | 0xEA, /* SmartFanII: Fan3 temp point 3 */ |
| 178 | 0xEB } /* SmartFanII: Fan3 temp point 4 */ |
| 179 | }; |
| 180 | |
| 181 | static const u8 W83792D_REG_LEVELS[3][4] = { |
| 182 | { 0x88, /* (bit3-0) SmartFanII: Fan1 Non-Stop */ |
| 183 | 0x88, /* (bit7-4) SmartFanII: Fan1 Level 1 */ |
| 184 | 0xE0, /* (bit7-4) SmartFanII: Fan1 Level 2 */ |
| 185 | 0xE0 }, /* (bit3-0) SmartFanII: Fan1 Level 3 */ |
| 186 | { 0x89, /* (bit3-0) SmartFanII: Fan2 Non-Stop */ |
| 187 | 0x89, /* (bit7-4) SmartFanII: Fan2 Level 1 */ |
| 188 | 0xE1, /* (bit7-4) SmartFanII: Fan2 Level 2 */ |
| 189 | 0xE1 }, /* (bit3-0) SmartFanII: Fan2 Level 3 */ |
| 190 | { 0x98, /* (bit3-0) SmartFanII: Fan3 Non-Stop */ |
| 191 | 0x98, /* (bit7-4) SmartFanII: Fan3 Level 1 */ |
| 192 | 0xE2, /* (bit7-4) SmartFanII: Fan3 Level 2 */ |
| 193 | 0xE2 } /* (bit3-0) SmartFanII: Fan3 Level 3 */ |
| 194 | }; |
| 195 | |
Jean Delvare | 9632051 | 2005-11-29 22:27:14 +0100 | [diff] [blame] | 196 | #define W83792D_REG_GPIO_EN 0x1A |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 197 | #define W83792D_REG_CONFIG 0x40 |
| 198 | #define W83792D_REG_VID_FANDIV 0x47 |
| 199 | #define W83792D_REG_CHIPID 0x49 |
| 200 | #define W83792D_REG_WCHIPID 0x58 |
| 201 | #define W83792D_REG_CHIPMAN 0x4F |
| 202 | #define W83792D_REG_PIN 0x4B |
| 203 | #define W83792D_REG_I2C_SUBADDR 0x4A |
| 204 | |
| 205 | #define W83792D_REG_ALARM1 0xA9 /* realtime status register1 */ |
| 206 | #define W83792D_REG_ALARM2 0xAA /* realtime status register2 */ |
| 207 | #define W83792D_REG_ALARM3 0xAB /* realtime status register3 */ |
| 208 | #define W83792D_REG_CHASSIS 0x42 /* Bit 5: Case Open status bit */ |
| 209 | #define W83792D_REG_CHASSIS_CLR 0x44 /* Bit 7: Case Open CLR_CHS/Reset bit */ |
| 210 | |
| 211 | /* control in0/in1 's limit modifiability */ |
| 212 | #define W83792D_REG_VID_IN_B 0x17 |
| 213 | |
| 214 | #define W83792D_REG_VBAT 0x5D |
| 215 | #define W83792D_REG_I2C_ADDR 0x48 |
| 216 | |
| 217 | /* Conversions. Rounding and limit checking is only done on the TO_REG |
| 218 | variants. Note that you should be a bit careful with which arguments |
| 219 | these macros are called: arguments may be evaluated more than once. |
| 220 | Fixing this is just not worth it. */ |
| 221 | #define IN_FROM_REG(nr,val) (((nr)<=1)?(val*2): \ |
| 222 | ((((nr)==6)||((nr)==7))?(val*6):(val*4))) |
| 223 | #define IN_TO_REG(nr,val) (((nr)<=1)?(val/2): \ |
| 224 | ((((nr)==6)||((nr)==7))?(val/6):(val/4))) |
| 225 | |
| 226 | static inline u8 |
| 227 | FAN_TO_REG(long rpm, int div) |
| 228 | { |
| 229 | if (rpm == 0) |
| 230 | return 255; |
| 231 | rpm = SENSORS_LIMIT(rpm, 1, 1000000); |
| 232 | return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254); |
| 233 | } |
| 234 | |
| 235 | #define FAN_FROM_REG(val,div) ((val) == 0 ? -1 : \ |
| 236 | ((val) == 255 ? 0 : \ |
| 237 | 1350000 / ((val) * (div)))) |
| 238 | |
| 239 | /* for temp1 */ |
| 240 | #define TEMP1_TO_REG(val) (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \ |
| 241 | : (val)) / 1000, 0, 0xff)) |
| 242 | #define TEMP1_FROM_REG(val) (((val) & 0x80 ? (val)-0x100 : (val)) * 1000) |
| 243 | /* for temp2 and temp3, because they need addtional resolution */ |
| 244 | #define TEMP_ADD_FROM_REG(val1, val2) \ |
| 245 | ((((val1) & 0x80 ? (val1)-0x100 \ |
| 246 | : (val1)) * 1000) + ((val2 & 0x80) ? 500 : 0)) |
| 247 | #define TEMP_ADD_TO_REG_HIGH(val) \ |
| 248 | (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \ |
| 249 | : (val)) / 1000, 0, 0xff)) |
| 250 | #define TEMP_ADD_TO_REG_LOW(val) ((val%1000) ? 0x80 : 0x00) |
| 251 | |
| 252 | #define PWM_FROM_REG(val) (val) |
| 253 | #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255)) |
| 254 | #define DIV_FROM_REG(val) (1 << (val)) |
| 255 | |
| 256 | static inline u8 |
| 257 | DIV_TO_REG(long val) |
| 258 | { |
| 259 | int i; |
| 260 | val = SENSORS_LIMIT(val, 1, 128) >> 1; |
Jean Delvare | 9632051 | 2005-11-29 22:27:14 +0100 | [diff] [blame] | 261 | for (i = 0; i < 7; i++) { |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 262 | if (val == 0) |
| 263 | break; |
| 264 | val >>= 1; |
| 265 | } |
| 266 | return ((u8) i); |
| 267 | } |
| 268 | |
| 269 | struct w83792d_data { |
| 270 | struct i2c_client client; |
R.Marek@sh.cvut.cz | ce785ab | 2005-07-27 11:50:18 +0000 | [diff] [blame] | 271 | struct class_device *class_dev; |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 272 | enum chips type; |
| 273 | |
| 274 | struct semaphore update_lock; |
| 275 | char valid; /* !=0 if following fields are valid */ |
| 276 | unsigned long last_updated; /* In jiffies */ |
| 277 | |
| 278 | /* array of 2 pointers to subclients */ |
| 279 | struct i2c_client *lm75[2]; |
| 280 | |
| 281 | u8 in[9]; /* Register value */ |
| 282 | u8 in_max[9]; /* Register value */ |
| 283 | u8 in_min[9]; /* Register value */ |
Jean Delvare | 99d8556 | 2005-12-18 16:34:28 +0100 | [diff] [blame] | 284 | u16 low_bits; /* Additional resolution to voltage in6-0 */ |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 285 | u8 fan[7]; /* Register value */ |
| 286 | u8 fan_min[7]; /* Register value */ |
| 287 | u8 temp1[3]; /* current, over, thyst */ |
| 288 | u8 temp_add[2][6]; /* Register value */ |
| 289 | u8 fan_div[7]; /* Register encoding, shifted right */ |
| 290 | u8 pwm[7]; /* We only consider the first 3 set of pwm, |
| 291 | although 792 chip has 7 set of pwm. */ |
| 292 | u8 pwmenable[3]; |
| 293 | u8 pwm_mode[7]; /* indicates PWM or DC mode: 1->PWM; 0->DC */ |
| 294 | u32 alarms; /* realtime status register encoding,combined */ |
| 295 | u8 chassis; /* Chassis status */ |
| 296 | u8 chassis_clear; /* CLR_CHS, clear chassis intrusion detection */ |
| 297 | u8 thermal_cruise[3]; /* Smart FanI: Fan1,2,3 target value */ |
| 298 | u8 tolerance[3]; /* Fan1,2,3 tolerance(Smart Fan I/II) */ |
| 299 | u8 sf2_points[3][4]; /* Smart FanII: Fan1,2,3 temperature points */ |
| 300 | u8 sf2_levels[3][4]; /* Smart FanII: Fan1,2,3 duty cycle levels */ |
| 301 | }; |
| 302 | |
| 303 | static int w83792d_attach_adapter(struct i2c_adapter *adapter); |
| 304 | static int w83792d_detect(struct i2c_adapter *adapter, int address, int kind); |
| 305 | static int w83792d_detach_client(struct i2c_client *client); |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 306 | static struct w83792d_data *w83792d_update_device(struct device *dev); |
| 307 | |
| 308 | #ifdef DEBUG |
| 309 | static void w83792d_print_debug(struct w83792d_data *data, struct device *dev); |
| 310 | #endif |
| 311 | |
| 312 | static void w83792d_init_client(struct i2c_client *client); |
| 313 | |
| 314 | static struct i2c_driver w83792d_driver = { |
Laurent Riffard | cdaf793 | 2005-11-26 20:37:41 +0100 | [diff] [blame] | 315 | .driver = { |
Laurent Riffard | cdaf793 | 2005-11-26 20:37:41 +0100 | [diff] [blame] | 316 | .name = "w83792d", |
| 317 | }, |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 318 | .attach_adapter = w83792d_attach_adapter, |
| 319 | .detach_client = w83792d_detach_client, |
| 320 | }; |
| 321 | |
Jean Delvare | 99d8556 | 2005-12-18 16:34:28 +0100 | [diff] [blame] | 322 | static inline long in_count_from_reg(int nr, struct w83792d_data *data) |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 323 | { |
Jean Delvare | 99d8556 | 2005-12-18 16:34:28 +0100 | [diff] [blame] | 324 | /* in7 and in8 do not have low bits, but the formula still works */ |
| 325 | return ((data->in[nr] << 2) | ((data->low_bits >> (2 * nr)) & 0x03)); |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 326 | } |
| 327 | |
Jean Delvare | 0d0ab7f | 2006-01-09 23:07:05 +0100 | [diff] [blame] | 328 | /* The SMBus locks itself. The Winbond W83792D chip has a bank register, |
| 329 | but the driver only accesses registers in bank 0, so we don't have |
| 330 | to switch banks and lock access between switches. */ |
| 331 | static inline int w83792d_read_value(struct i2c_client *client, u8 reg) |
| 332 | { |
| 333 | return i2c_smbus_read_byte_data(client, reg); |
| 334 | } |
| 335 | |
| 336 | static inline int |
| 337 | w83792d_write_value(struct i2c_client *client, u8 reg, u8 value) |
| 338 | { |
| 339 | return i2c_smbus_write_byte_data(client, reg, value); |
| 340 | } |
| 341 | |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 342 | /* following are the sysfs callback functions */ |
| 343 | static ssize_t show_in(struct device *dev, struct device_attribute *attr, |
| 344 | char *buf) |
| 345 | { |
| 346 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 347 | int nr = sensor_attr->index; |
| 348 | struct w83792d_data *data = w83792d_update_device(dev); |
| 349 | return sprintf(buf,"%ld\n", IN_FROM_REG(nr,(in_count_from_reg(nr, data)))); |
| 350 | } |
| 351 | |
| 352 | #define show_in_reg(reg) \ |
| 353 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ |
| 354 | char *buf) \ |
| 355 | { \ |
| 356 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 357 | int nr = sensor_attr->index; \ |
| 358 | struct w83792d_data *data = w83792d_update_device(dev); \ |
| 359 | return sprintf(buf,"%ld\n", (long)(IN_FROM_REG(nr, (data->reg[nr])*4))); \ |
| 360 | } |
| 361 | |
| 362 | show_in_reg(in_min); |
| 363 | show_in_reg(in_max); |
| 364 | |
| 365 | #define store_in_reg(REG, reg) \ |
| 366 | static ssize_t store_in_##reg (struct device *dev, \ |
| 367 | struct device_attribute *attr, \ |
| 368 | const char *buf, size_t count) \ |
| 369 | { \ |
| 370 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 371 | int nr = sensor_attr->index; \ |
| 372 | struct i2c_client *client = to_i2c_client(dev); \ |
| 373 | struct w83792d_data *data = i2c_get_clientdata(client); \ |
| 374 | u32 val; \ |
| 375 | \ |
| 376 | val = simple_strtoul(buf, NULL, 10); \ |
| 377 | data->in_##reg[nr] = SENSORS_LIMIT(IN_TO_REG(nr, val)/4, 0, 255); \ |
| 378 | w83792d_write_value(client, W83792D_REG_IN_##REG[nr], data->in_##reg[nr]); \ |
| 379 | \ |
| 380 | return count; \ |
| 381 | } |
| 382 | store_in_reg(MIN, min); |
| 383 | store_in_reg(MAX, max); |
| 384 | |
| 385 | #define sysfs_in_reg(offset) \ |
| 386 | static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in, \ |
| 387 | NULL, offset); \ |
| 388 | static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ |
| 389 | show_in_min, store_in_min, offset); \ |
| 390 | static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ |
| 391 | show_in_max, store_in_max, offset); |
| 392 | |
| 393 | sysfs_in_reg(0); |
| 394 | sysfs_in_reg(1); |
| 395 | sysfs_in_reg(2); |
| 396 | sysfs_in_reg(3); |
| 397 | sysfs_in_reg(4); |
| 398 | sysfs_in_reg(5); |
| 399 | sysfs_in_reg(6); |
| 400 | sysfs_in_reg(7); |
| 401 | sysfs_in_reg(8); |
| 402 | |
| 403 | #define device_create_file_in(client, offset) \ |
| 404 | do { \ |
| 405 | device_create_file(&client->dev, &sensor_dev_attr_in##offset##_input.dev_attr); \ |
| 406 | device_create_file(&client->dev, &sensor_dev_attr_in##offset##_max.dev_attr); \ |
| 407 | device_create_file(&client->dev, &sensor_dev_attr_in##offset##_min.dev_attr); \ |
| 408 | } while (0) |
| 409 | |
| 410 | #define show_fan_reg(reg) \ |
| 411 | static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \ |
| 412 | char *buf) \ |
| 413 | { \ |
| 414 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 415 | int nr = sensor_attr->index - 1; \ |
| 416 | struct w83792d_data *data = w83792d_update_device(dev); \ |
| 417 | return sprintf(buf,"%d\n", \ |
| 418 | FAN_FROM_REG(data->reg[nr], DIV_FROM_REG(data->fan_div[nr]))); \ |
| 419 | } |
| 420 | |
| 421 | show_fan_reg(fan); |
| 422 | show_fan_reg(fan_min); |
| 423 | |
| 424 | static ssize_t |
| 425 | store_fan_min(struct device *dev, struct device_attribute *attr, |
| 426 | const char *buf, size_t count) |
| 427 | { |
| 428 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 429 | int nr = sensor_attr->index - 1; |
| 430 | struct i2c_client *client = to_i2c_client(dev); |
| 431 | struct w83792d_data *data = i2c_get_clientdata(client); |
| 432 | u32 val; |
| 433 | |
| 434 | val = simple_strtoul(buf, NULL, 10); |
| 435 | data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); |
| 436 | w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], |
| 437 | data->fan_min[nr]); |
| 438 | |
| 439 | return count; |
| 440 | } |
| 441 | |
| 442 | static ssize_t |
| 443 | show_fan_div(struct device *dev, struct device_attribute *attr, |
| 444 | char *buf) |
| 445 | { |
| 446 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 447 | int nr = sensor_attr->index; |
| 448 | struct w83792d_data *data = w83792d_update_device(dev); |
| 449 | return sprintf(buf, "%u\n", DIV_FROM_REG(data->fan_div[nr - 1])); |
| 450 | } |
| 451 | |
| 452 | /* Note: we save and restore the fan minimum here, because its value is |
| 453 | determined in part by the fan divisor. This follows the principle of |
| 454 | least suprise; the user doesn't expect the fan minimum to change just |
| 455 | because the divisor changed. */ |
| 456 | static ssize_t |
| 457 | store_fan_div(struct device *dev, struct device_attribute *attr, |
| 458 | const char *buf, size_t count) |
| 459 | { |
| 460 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 461 | int nr = sensor_attr->index - 1; |
| 462 | struct i2c_client *client = to_i2c_client(dev); |
| 463 | struct w83792d_data *data = i2c_get_clientdata(client); |
| 464 | unsigned long min; |
| 465 | /*u8 reg;*/ |
| 466 | u8 fan_div_reg = 0; |
| 467 | u8 tmp_fan_div; |
| 468 | |
| 469 | /* Save fan_min */ |
| 470 | min = FAN_FROM_REG(data->fan_min[nr], |
| 471 | DIV_FROM_REG(data->fan_div[nr])); |
| 472 | |
| 473 | data->fan_div[nr] = DIV_TO_REG(simple_strtoul(buf, NULL, 10)); |
| 474 | |
| 475 | fan_div_reg = w83792d_read_value(client, W83792D_REG_FAN_DIV[nr >> 1]); |
| 476 | fan_div_reg &= (nr & 0x01) ? 0x8f : 0xf8; |
| 477 | tmp_fan_div = (nr & 0x01) ? (((data->fan_div[nr]) << 4) & 0x70) |
| 478 | : ((data->fan_div[nr]) & 0x07); |
| 479 | w83792d_write_value(client, W83792D_REG_FAN_DIV[nr >> 1], |
| 480 | fan_div_reg | tmp_fan_div); |
| 481 | |
| 482 | /* Restore fan_min */ |
| 483 | data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); |
| 484 | w83792d_write_value(client, W83792D_REG_FAN_MIN[nr], data->fan_min[nr]); |
| 485 | |
| 486 | return count; |
| 487 | } |
| 488 | |
| 489 | #define sysfs_fan(offset) \ |
| 490 | static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan, NULL, \ |
| 491 | offset); \ |
| 492 | static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ |
| 493 | show_fan_div, store_fan_div, offset); \ |
| 494 | static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ |
| 495 | show_fan_min, store_fan_min, offset); |
| 496 | |
| 497 | sysfs_fan(1); |
| 498 | sysfs_fan(2); |
| 499 | sysfs_fan(3); |
| 500 | sysfs_fan(4); |
| 501 | sysfs_fan(5); |
| 502 | sysfs_fan(6); |
| 503 | sysfs_fan(7); |
| 504 | |
| 505 | #define device_create_file_fan(client, offset) \ |
| 506 | do { \ |
| 507 | device_create_file(&client->dev, &sensor_dev_attr_fan##offset##_input.dev_attr); \ |
| 508 | device_create_file(&client->dev, &sensor_dev_attr_fan##offset##_div.dev_attr); \ |
| 509 | device_create_file(&client->dev, &sensor_dev_attr_fan##offset##_min.dev_attr); \ |
| 510 | } while (0) |
| 511 | |
| 512 | |
| 513 | /* read/write the temperature1, includes measured value and limits */ |
| 514 | |
| 515 | static ssize_t show_temp1(struct device *dev, struct device_attribute *attr, |
| 516 | char *buf) |
| 517 | { |
| 518 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 519 | int nr = sensor_attr->index; |
| 520 | struct w83792d_data *data = w83792d_update_device(dev); |
| 521 | return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->temp1[nr])); |
| 522 | } |
| 523 | |
| 524 | static ssize_t store_temp1(struct device *dev, struct device_attribute *attr, |
| 525 | const char *buf, size_t count) |
| 526 | { |
| 527 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 528 | int nr = sensor_attr->index; |
| 529 | struct i2c_client *client = to_i2c_client(dev); |
| 530 | struct w83792d_data *data = i2c_get_clientdata(client); |
| 531 | s32 val; |
| 532 | |
| 533 | val = simple_strtol(buf, NULL, 10); |
| 534 | |
| 535 | data->temp1[nr] = TEMP1_TO_REG(val); |
| 536 | w83792d_write_value(client, W83792D_REG_TEMP1[nr], |
| 537 | data->temp1[nr]); |
| 538 | |
| 539 | return count; |
| 540 | } |
| 541 | |
| 542 | |
| 543 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp1, NULL, 0); |
| 544 | static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp1, |
| 545 | store_temp1, 1); |
| 546 | static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp1, |
| 547 | store_temp1, 2); |
| 548 | |
| 549 | #define device_create_file_temp1(client) \ |
| 550 | do { \ |
| 551 | device_create_file(&client->dev, &sensor_dev_attr_temp1_input.dev_attr); \ |
| 552 | device_create_file(&client->dev, &sensor_dev_attr_temp1_max.dev_attr); \ |
| 553 | device_create_file(&client->dev, &sensor_dev_attr_temp1_max_hyst.dev_attr); \ |
| 554 | } while (0) |
| 555 | |
| 556 | |
| 557 | /* read/write the temperature2-3, includes measured value and limits */ |
| 558 | |
| 559 | static ssize_t show_temp23(struct device *dev, struct device_attribute *attr, |
| 560 | char *buf) |
| 561 | { |
| 562 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); |
| 563 | int nr = sensor_attr->nr; |
| 564 | int index = sensor_attr->index; |
| 565 | struct w83792d_data *data = w83792d_update_device(dev); |
| 566 | return sprintf(buf,"%ld\n", |
| 567 | (long)TEMP_ADD_FROM_REG(data->temp_add[nr][index], |
| 568 | data->temp_add[nr][index+1])); |
| 569 | } |
| 570 | |
| 571 | static ssize_t store_temp23(struct device *dev, struct device_attribute *attr, |
| 572 | const char *buf, size_t count) |
| 573 | { |
| 574 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); |
| 575 | int nr = sensor_attr->nr; |
| 576 | int index = sensor_attr->index; |
| 577 | struct i2c_client *client = to_i2c_client(dev); |
| 578 | struct w83792d_data *data = i2c_get_clientdata(client); |
| 579 | s32 val; |
| 580 | |
| 581 | val = simple_strtol(buf, NULL, 10); |
| 582 | |
| 583 | data->temp_add[nr][index] = TEMP_ADD_TO_REG_HIGH(val); |
| 584 | data->temp_add[nr][index+1] = TEMP_ADD_TO_REG_LOW(val); |
| 585 | w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index], |
| 586 | data->temp_add[nr][index]); |
| 587 | w83792d_write_value(client, W83792D_REG_TEMP_ADD[nr][index+1], |
| 588 | data->temp_add[nr][index+1]); |
| 589 | |
| 590 | return count; |
| 591 | } |
| 592 | |
| 593 | #define sysfs_temp23(name,idx) \ |
| 594 | static SENSOR_DEVICE_ATTR_2(name##_input, S_IRUGO, show_temp23, NULL, \ |
| 595 | idx, 0); \ |
| 596 | static SENSOR_DEVICE_ATTR_2(name##_max, S_IRUGO | S_IWUSR, \ |
| 597 | show_temp23, store_temp23, idx, 2); \ |
| 598 | static SENSOR_DEVICE_ATTR_2(name##_max_hyst, S_IRUGO | S_IWUSR, \ |
| 599 | show_temp23, store_temp23, idx, 4); |
| 600 | |
| 601 | sysfs_temp23(temp2,0) |
| 602 | sysfs_temp23(temp3,1) |
| 603 | |
| 604 | #define device_create_file_temp_add(client, offset) \ |
| 605 | do { \ |
| 606 | device_create_file(&client->dev, &sensor_dev_attr_temp##offset##_input.dev_attr); \ |
| 607 | device_create_file(&client->dev, &sensor_dev_attr_temp##offset##_max.dev_attr); \ |
| 608 | device_create_file(&client->dev, \ |
| 609 | &sensor_dev_attr_temp##offset##_max_hyst.dev_attr); \ |
| 610 | } while (0) |
| 611 | |
| 612 | |
| 613 | /* get reatime status of all sensors items: voltage, temp, fan */ |
| 614 | static ssize_t |
| 615 | show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) |
| 616 | { |
| 617 | struct w83792d_data *data = w83792d_update_device(dev); |
| 618 | return sprintf(buf, "%d\n", data->alarms); |
| 619 | } |
| 620 | |
| 621 | static |
| 622 | DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); |
| 623 | #define device_create_file_alarms(client) \ |
| 624 | device_create_file(&client->dev, &dev_attr_alarms); |
| 625 | |
| 626 | |
| 627 | |
| 628 | static ssize_t |
| 629 | show_pwm(struct device *dev, struct device_attribute *attr, |
| 630 | char *buf) |
| 631 | { |
| 632 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 633 | int nr = sensor_attr->index; |
| 634 | struct w83792d_data *data = w83792d_update_device(dev); |
| 635 | return sprintf(buf, "%ld\n", (long) PWM_FROM_REG(data->pwm[nr-1])); |
| 636 | } |
| 637 | |
| 638 | static ssize_t |
| 639 | show_pwmenable(struct device *dev, struct device_attribute *attr, |
| 640 | char *buf) |
| 641 | { |
| 642 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 643 | int nr = sensor_attr->index - 1; |
| 644 | struct w83792d_data *data = w83792d_update_device(dev); |
| 645 | long pwm_enable_tmp = 1; |
| 646 | |
| 647 | switch (data->pwmenable[nr]) { |
| 648 | case 0: |
| 649 | pwm_enable_tmp = 1; /* manual mode */ |
| 650 | break; |
| 651 | case 1: |
| 652 | pwm_enable_tmp = 3; /*thermal cruise/Smart Fan I */ |
| 653 | break; |
| 654 | case 2: |
| 655 | pwm_enable_tmp = 2; /* Smart Fan II */ |
| 656 | break; |
| 657 | } |
| 658 | |
| 659 | return sprintf(buf, "%ld\n", pwm_enable_tmp); |
| 660 | } |
| 661 | |
| 662 | static ssize_t |
| 663 | store_pwm(struct device *dev, struct device_attribute *attr, |
| 664 | const char *buf, size_t count) |
| 665 | { |
| 666 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 667 | int nr = sensor_attr->index - 1; |
| 668 | struct i2c_client *client = to_i2c_client(dev); |
| 669 | struct w83792d_data *data = i2c_get_clientdata(client); |
| 670 | u32 val; |
| 671 | |
| 672 | val = simple_strtoul(buf, NULL, 10); |
| 673 | data->pwm[nr] = PWM_TO_REG(val); |
| 674 | w83792d_write_value(client, W83792D_REG_PWM[nr], data->pwm[nr]); |
| 675 | |
| 676 | return count; |
| 677 | } |
| 678 | |
| 679 | static ssize_t |
| 680 | store_pwmenable(struct device *dev, struct device_attribute *attr, |
| 681 | const char *buf, size_t count) |
| 682 | { |
| 683 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 684 | int nr = sensor_attr->index - 1; |
| 685 | struct i2c_client *client = to_i2c_client(dev); |
| 686 | struct w83792d_data *data = i2c_get_clientdata(client); |
| 687 | u32 val; |
| 688 | u8 fan_cfg_tmp, cfg1_tmp, cfg2_tmp, cfg3_tmp, cfg4_tmp; |
| 689 | |
| 690 | val = simple_strtoul(buf, NULL, 10); |
| 691 | switch (val) { |
| 692 | case 1: |
| 693 | data->pwmenable[nr] = 0; /* manual mode */ |
| 694 | break; |
| 695 | case 2: |
| 696 | data->pwmenable[nr] = 2; /* Smart Fan II */ |
| 697 | break; |
| 698 | case 3: |
| 699 | data->pwmenable[nr] = 1; /* thermal cruise/Smart Fan I */ |
| 700 | break; |
| 701 | default: |
| 702 | return -EINVAL; |
| 703 | } |
| 704 | cfg1_tmp = data->pwmenable[0]; |
| 705 | cfg2_tmp = (data->pwmenable[1]) << 2; |
| 706 | cfg3_tmp = (data->pwmenable[2]) << 4; |
| 707 | cfg4_tmp = w83792d_read_value(client,W83792D_REG_FAN_CFG) & 0xc0; |
| 708 | fan_cfg_tmp = ((cfg4_tmp | cfg3_tmp) | cfg2_tmp) | cfg1_tmp; |
| 709 | w83792d_write_value(client, W83792D_REG_FAN_CFG, fan_cfg_tmp); |
| 710 | |
| 711 | return count; |
| 712 | } |
| 713 | |
| 714 | #define sysfs_pwm(offset) \ |
| 715 | static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ |
| 716 | show_pwm, store_pwm, offset); \ |
| 717 | static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR, \ |
| 718 | show_pwmenable, store_pwmenable, offset); \ |
| 719 | |
| 720 | sysfs_pwm(1); |
| 721 | sysfs_pwm(2); |
| 722 | sysfs_pwm(3); |
| 723 | |
| 724 | |
| 725 | #define device_create_file_pwm(client, offset) \ |
| 726 | do { \ |
| 727 | device_create_file(&client->dev, &sensor_dev_attr_pwm##offset.dev_attr); \ |
| 728 | } while (0) |
| 729 | |
| 730 | #define device_create_file_pwmenable(client, offset) \ |
| 731 | do { \ |
| 732 | device_create_file(&client->dev, &sensor_dev_attr_pwm##offset##_enable.dev_attr); \ |
| 733 | } while (0) |
| 734 | |
| 735 | |
| 736 | static ssize_t |
| 737 | show_pwm_mode(struct device *dev, struct device_attribute *attr, |
| 738 | char *buf) |
| 739 | { |
| 740 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 741 | int nr = sensor_attr->index; |
| 742 | struct w83792d_data *data = w83792d_update_device(dev); |
| 743 | return sprintf(buf, "%d\n", data->pwm_mode[nr-1]); |
| 744 | } |
| 745 | |
| 746 | static ssize_t |
| 747 | store_pwm_mode(struct device *dev, struct device_attribute *attr, |
| 748 | const char *buf, size_t count) |
| 749 | { |
| 750 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 751 | int nr = sensor_attr->index - 1; |
| 752 | struct i2c_client *client = to_i2c_client(dev); |
| 753 | struct w83792d_data *data = i2c_get_clientdata(client); |
| 754 | u32 val; |
| 755 | u8 pwm_mode_mask = 0; |
| 756 | |
| 757 | val = simple_strtoul(buf, NULL, 10); |
| 758 | data->pwm_mode[nr] = SENSORS_LIMIT(val, 0, 1); |
| 759 | pwm_mode_mask = w83792d_read_value(client, |
| 760 | W83792D_REG_PWM[nr]) & 0x7f; |
| 761 | w83792d_write_value(client, W83792D_REG_PWM[nr], |
| 762 | ((data->pwm_mode[nr]) << 7) | pwm_mode_mask); |
| 763 | |
| 764 | return count; |
| 765 | } |
| 766 | |
| 767 | #define sysfs_pwm_mode(offset) \ |
| 768 | static SENSOR_DEVICE_ATTR(pwm##offset##_mode, S_IRUGO | S_IWUSR, \ |
| 769 | show_pwm_mode, store_pwm_mode, offset); |
| 770 | |
| 771 | sysfs_pwm_mode(1); |
| 772 | sysfs_pwm_mode(2); |
| 773 | sysfs_pwm_mode(3); |
| 774 | |
| 775 | #define device_create_file_pwm_mode(client, offset) \ |
| 776 | do { \ |
| 777 | device_create_file(&client->dev, &sensor_dev_attr_pwm##offset##_mode.dev_attr); \ |
| 778 | } while (0) |
| 779 | |
| 780 | |
| 781 | static ssize_t |
| 782 | show_regs_chassis(struct device *dev, struct device_attribute *attr, |
| 783 | char *buf) |
| 784 | { |
| 785 | struct w83792d_data *data = w83792d_update_device(dev); |
| 786 | return sprintf(buf, "%d\n", data->chassis); |
| 787 | } |
| 788 | |
| 789 | static DEVICE_ATTR(chassis, S_IRUGO, show_regs_chassis, NULL); |
| 790 | |
| 791 | #define device_create_file_chassis(client) \ |
| 792 | do { \ |
| 793 | device_create_file(&client->dev, &dev_attr_chassis); \ |
| 794 | } while (0) |
| 795 | |
| 796 | |
| 797 | static ssize_t |
| 798 | show_chassis_clear(struct device *dev, struct device_attribute *attr, char *buf) |
| 799 | { |
| 800 | struct w83792d_data *data = w83792d_update_device(dev); |
| 801 | return sprintf(buf, "%d\n", data->chassis_clear); |
| 802 | } |
| 803 | |
| 804 | static ssize_t |
| 805 | store_chassis_clear(struct device *dev, struct device_attribute *attr, |
| 806 | const char *buf, size_t count) |
| 807 | { |
| 808 | struct i2c_client *client = to_i2c_client(dev); |
| 809 | struct w83792d_data *data = i2c_get_clientdata(client); |
| 810 | u32 val; |
| 811 | u8 temp1 = 0, temp2 = 0; |
| 812 | |
| 813 | val = simple_strtoul(buf, NULL, 10); |
| 814 | |
| 815 | data->chassis_clear = SENSORS_LIMIT(val, 0 ,1); |
| 816 | temp1 = ((data->chassis_clear) << 7) & 0x80; |
| 817 | temp2 = w83792d_read_value(client, |
| 818 | W83792D_REG_CHASSIS_CLR) & 0x7f; |
| 819 | w83792d_write_value(client, W83792D_REG_CHASSIS_CLR, temp1 | temp2); |
| 820 | |
| 821 | return count; |
| 822 | } |
| 823 | |
| 824 | static DEVICE_ATTR(chassis_clear, S_IRUGO | S_IWUSR, |
| 825 | show_chassis_clear, store_chassis_clear); |
| 826 | |
| 827 | #define device_create_file_chassis_clear(client) \ |
| 828 | do { \ |
| 829 | device_create_file(&client->dev, &dev_attr_chassis_clear); \ |
| 830 | } while (0) |
| 831 | |
| 832 | |
| 833 | |
| 834 | /* For Smart Fan I / Thermal Cruise */ |
| 835 | static ssize_t |
| 836 | show_thermal_cruise(struct device *dev, struct device_attribute *attr, |
| 837 | char *buf) |
| 838 | { |
| 839 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 840 | int nr = sensor_attr->index; |
| 841 | struct w83792d_data *data = w83792d_update_device(dev); |
| 842 | return sprintf(buf, "%ld\n", (long)data->thermal_cruise[nr-1]); |
| 843 | } |
| 844 | |
| 845 | static ssize_t |
| 846 | store_thermal_cruise(struct device *dev, struct device_attribute *attr, |
| 847 | const char *buf, size_t count) |
| 848 | { |
| 849 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 850 | int nr = sensor_attr->index - 1; |
| 851 | struct i2c_client *client = to_i2c_client(dev); |
| 852 | struct w83792d_data *data = i2c_get_clientdata(client); |
| 853 | u32 val; |
| 854 | u8 target_tmp=0, target_mask=0; |
| 855 | |
| 856 | val = simple_strtoul(buf, NULL, 10); |
| 857 | target_tmp = val; |
| 858 | target_tmp = target_tmp & 0x7f; |
| 859 | target_mask = w83792d_read_value(client, W83792D_REG_THERMAL[nr]) & 0x80; |
| 860 | data->thermal_cruise[nr] = SENSORS_LIMIT(target_tmp, 0, 255); |
| 861 | w83792d_write_value(client, W83792D_REG_THERMAL[nr], |
| 862 | (data->thermal_cruise[nr]) | target_mask); |
| 863 | |
| 864 | return count; |
| 865 | } |
| 866 | |
| 867 | #define sysfs_thermal_cruise(offset) \ |
| 868 | static SENSOR_DEVICE_ATTR(thermal_cruise##offset, S_IRUGO | S_IWUSR, \ |
| 869 | show_thermal_cruise, store_thermal_cruise, offset); |
| 870 | |
| 871 | sysfs_thermal_cruise(1); |
| 872 | sysfs_thermal_cruise(2); |
| 873 | sysfs_thermal_cruise(3); |
| 874 | |
| 875 | #define device_create_file_thermal_cruise(client, offset) \ |
| 876 | do { \ |
| 877 | device_create_file(&client->dev, \ |
| 878 | &sensor_dev_attr_thermal_cruise##offset.dev_attr); \ |
| 879 | } while (0) |
| 880 | |
| 881 | |
| 882 | /* For Smart Fan I/Thermal Cruise and Smart Fan II */ |
| 883 | static ssize_t |
| 884 | show_tolerance(struct device *dev, struct device_attribute *attr, |
| 885 | char *buf) |
| 886 | { |
| 887 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 888 | int nr = sensor_attr->index; |
| 889 | struct w83792d_data *data = w83792d_update_device(dev); |
| 890 | return sprintf(buf, "%ld\n", (long)data->tolerance[nr-1]); |
| 891 | } |
| 892 | |
| 893 | static ssize_t |
| 894 | store_tolerance(struct device *dev, struct device_attribute *attr, |
| 895 | const char *buf, size_t count) |
| 896 | { |
| 897 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 898 | int nr = sensor_attr->index - 1; |
| 899 | struct i2c_client *client = to_i2c_client(dev); |
| 900 | struct w83792d_data *data = i2c_get_clientdata(client); |
| 901 | u32 val; |
| 902 | u8 tol_tmp, tol_mask; |
| 903 | |
| 904 | val = simple_strtoul(buf, NULL, 10); |
| 905 | tol_mask = w83792d_read_value(client, |
| 906 | W83792D_REG_TOLERANCE[nr]) & ((nr == 1) ? 0x0f : 0xf0); |
| 907 | tol_tmp = SENSORS_LIMIT(val, 0, 15); |
| 908 | tol_tmp &= 0x0f; |
| 909 | data->tolerance[nr] = tol_tmp; |
| 910 | if (nr == 1) { |
| 911 | tol_tmp <<= 4; |
| 912 | } |
| 913 | w83792d_write_value(client, W83792D_REG_TOLERANCE[nr], |
| 914 | tol_mask | tol_tmp); |
| 915 | |
| 916 | return count; |
| 917 | } |
| 918 | |
| 919 | #define sysfs_tolerance(offset) \ |
| 920 | static SENSOR_DEVICE_ATTR(tolerance##offset, S_IRUGO | S_IWUSR, \ |
| 921 | show_tolerance, store_tolerance, offset); |
| 922 | |
| 923 | sysfs_tolerance(1); |
| 924 | sysfs_tolerance(2); |
| 925 | sysfs_tolerance(3); |
| 926 | |
| 927 | #define device_create_file_tolerance(client, offset) \ |
| 928 | do { \ |
| 929 | device_create_file(&client->dev, &sensor_dev_attr_tolerance##offset.dev_attr); \ |
| 930 | } while (0) |
| 931 | |
| 932 | |
| 933 | /* For Smart Fan II */ |
| 934 | static ssize_t |
| 935 | show_sf2_point(struct device *dev, struct device_attribute *attr, |
| 936 | char *buf) |
| 937 | { |
| 938 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); |
| 939 | int nr = sensor_attr->nr; |
| 940 | int index = sensor_attr->index; |
| 941 | struct w83792d_data *data = w83792d_update_device(dev); |
| 942 | return sprintf(buf, "%ld\n", (long)data->sf2_points[index-1][nr-1]); |
| 943 | } |
| 944 | |
| 945 | static ssize_t |
| 946 | store_sf2_point(struct device *dev, struct device_attribute *attr, |
| 947 | const char *buf, size_t count) |
| 948 | { |
| 949 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); |
| 950 | int nr = sensor_attr->nr - 1; |
| 951 | int index = sensor_attr->index - 1; |
| 952 | struct i2c_client *client = to_i2c_client(dev); |
| 953 | struct w83792d_data *data = i2c_get_clientdata(client); |
| 954 | u32 val; |
| 955 | u8 mask_tmp = 0; |
| 956 | |
| 957 | val = simple_strtoul(buf, NULL, 10); |
| 958 | data->sf2_points[index][nr] = SENSORS_LIMIT(val, 0, 127); |
| 959 | mask_tmp = w83792d_read_value(client, |
| 960 | W83792D_REG_POINTS[index][nr]) & 0x80; |
| 961 | w83792d_write_value(client, W83792D_REG_POINTS[index][nr], |
| 962 | mask_tmp|data->sf2_points[index][nr]); |
| 963 | |
| 964 | return count; |
| 965 | } |
| 966 | |
| 967 | #define sysfs_sf2_point(offset, index) \ |
| 968 | static SENSOR_DEVICE_ATTR_2(sf2_point##offset##_fan##index, S_IRUGO | S_IWUSR, \ |
| 969 | show_sf2_point, store_sf2_point, offset, index); |
| 970 | |
| 971 | sysfs_sf2_point(1, 1); /* Fan1 */ |
| 972 | sysfs_sf2_point(2, 1); /* Fan1 */ |
| 973 | sysfs_sf2_point(3, 1); /* Fan1 */ |
| 974 | sysfs_sf2_point(4, 1); /* Fan1 */ |
| 975 | sysfs_sf2_point(1, 2); /* Fan2 */ |
| 976 | sysfs_sf2_point(2, 2); /* Fan2 */ |
| 977 | sysfs_sf2_point(3, 2); /* Fan2 */ |
| 978 | sysfs_sf2_point(4, 2); /* Fan2 */ |
| 979 | sysfs_sf2_point(1, 3); /* Fan3 */ |
| 980 | sysfs_sf2_point(2, 3); /* Fan3 */ |
| 981 | sysfs_sf2_point(3, 3); /* Fan3 */ |
| 982 | sysfs_sf2_point(4, 3); /* Fan3 */ |
| 983 | |
| 984 | #define device_create_file_sf2_point(client, offset, index) \ |
| 985 | do { \ |
| 986 | device_create_file(&client->dev, \ |
| 987 | &sensor_dev_attr_sf2_point##offset##_fan##index.dev_attr); \ |
| 988 | } while (0) |
| 989 | |
| 990 | |
| 991 | static ssize_t |
| 992 | show_sf2_level(struct device *dev, struct device_attribute *attr, |
| 993 | char *buf) |
| 994 | { |
| 995 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); |
| 996 | int nr = sensor_attr->nr; |
| 997 | int index = sensor_attr->index; |
| 998 | struct w83792d_data *data = w83792d_update_device(dev); |
| 999 | return sprintf(buf, "%d\n", |
| 1000 | (((data->sf2_levels[index-1][nr]) * 100) / 15)); |
| 1001 | } |
| 1002 | |
| 1003 | static ssize_t |
| 1004 | store_sf2_level(struct device *dev, struct device_attribute *attr, |
| 1005 | const char *buf, size_t count) |
| 1006 | { |
| 1007 | struct sensor_device_attribute_2 *sensor_attr = to_sensor_dev_attr_2(attr); |
| 1008 | int nr = sensor_attr->nr; |
| 1009 | int index = sensor_attr->index - 1; |
| 1010 | struct i2c_client *client = to_i2c_client(dev); |
| 1011 | struct w83792d_data *data = i2c_get_clientdata(client); |
| 1012 | u32 val; |
| 1013 | u8 mask_tmp=0, level_tmp=0; |
| 1014 | |
| 1015 | val = simple_strtoul(buf, NULL, 10); |
| 1016 | data->sf2_levels[index][nr] = SENSORS_LIMIT((val * 15) / 100, 0, 15); |
| 1017 | mask_tmp = w83792d_read_value(client, W83792D_REG_LEVELS[index][nr]) |
| 1018 | & ((nr==3) ? 0xf0 : 0x0f); |
| 1019 | if (nr==3) { |
| 1020 | level_tmp = data->sf2_levels[index][nr]; |
| 1021 | } else { |
| 1022 | level_tmp = data->sf2_levels[index][nr] << 4; |
| 1023 | } |
| 1024 | w83792d_write_value(client, W83792D_REG_LEVELS[index][nr], level_tmp | mask_tmp); |
| 1025 | |
| 1026 | return count; |
| 1027 | } |
| 1028 | |
| 1029 | #define sysfs_sf2_level(offset, index) \ |
| 1030 | static SENSOR_DEVICE_ATTR_2(sf2_level##offset##_fan##index, S_IRUGO | S_IWUSR, \ |
| 1031 | show_sf2_level, store_sf2_level, offset, index); |
| 1032 | |
| 1033 | sysfs_sf2_level(1, 1); /* Fan1 */ |
| 1034 | sysfs_sf2_level(2, 1); /* Fan1 */ |
| 1035 | sysfs_sf2_level(3, 1); /* Fan1 */ |
| 1036 | sysfs_sf2_level(1, 2); /* Fan2 */ |
| 1037 | sysfs_sf2_level(2, 2); /* Fan2 */ |
| 1038 | sysfs_sf2_level(3, 2); /* Fan2 */ |
| 1039 | sysfs_sf2_level(1, 3); /* Fan3 */ |
| 1040 | sysfs_sf2_level(2, 3); /* Fan3 */ |
| 1041 | sysfs_sf2_level(3, 3); /* Fan3 */ |
| 1042 | |
| 1043 | #define device_create_file_sf2_level(client, offset, index) \ |
| 1044 | do { \ |
| 1045 | device_create_file(&client->dev, \ |
| 1046 | &sensor_dev_attr_sf2_level##offset##_fan##index.dev_attr); \ |
| 1047 | } while (0) |
| 1048 | |
| 1049 | |
| 1050 | /* This function is called when: |
| 1051 | * w83792d_driver is inserted (when this module is loaded), for each |
| 1052 | available adapter |
| 1053 | * when a new adapter is inserted (and w83792d_driver is still present) */ |
| 1054 | static int |
| 1055 | w83792d_attach_adapter(struct i2c_adapter *adapter) |
| 1056 | { |
| 1057 | if (!(adapter->class & I2C_CLASS_HWMON)) |
| 1058 | return 0; |
Jean Delvare | 2ed2dc3 | 2005-07-31 21:42:02 +0200 | [diff] [blame] | 1059 | return i2c_probe(adapter, &addr_data, w83792d_detect); |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1060 | } |
| 1061 | |
| 1062 | |
| 1063 | static int |
| 1064 | w83792d_create_subclient(struct i2c_adapter *adapter, |
| 1065 | struct i2c_client *new_client, int addr, |
| 1066 | struct i2c_client **sub_cli) |
| 1067 | { |
| 1068 | int err; |
| 1069 | struct i2c_client *sub_client; |
| 1070 | |
Deepak Saxena | ba9c2e8 | 2005-10-17 23:08:32 +0200 | [diff] [blame] | 1071 | (*sub_cli) = sub_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1072 | if (!(sub_client)) { |
| 1073 | return -ENOMEM; |
| 1074 | } |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1075 | sub_client->addr = 0x48 + addr; |
| 1076 | i2c_set_clientdata(sub_client, NULL); |
| 1077 | sub_client->adapter = adapter; |
| 1078 | sub_client->driver = &w83792d_driver; |
| 1079 | sub_client->flags = 0; |
| 1080 | strlcpy(sub_client->name, "w83792d subclient", I2C_NAME_SIZE); |
| 1081 | if ((err = i2c_attach_client(sub_client))) { |
| 1082 | dev_err(&new_client->dev, "subclient registration " |
| 1083 | "at address 0x%x failed\n", sub_client->addr); |
| 1084 | kfree(sub_client); |
| 1085 | return err; |
| 1086 | } |
| 1087 | return 0; |
| 1088 | } |
| 1089 | |
| 1090 | |
| 1091 | static int |
| 1092 | w83792d_detect_subclients(struct i2c_adapter *adapter, int address, int kind, |
| 1093 | struct i2c_client *new_client) |
| 1094 | { |
| 1095 | int i, id, err; |
| 1096 | u8 val; |
| 1097 | struct w83792d_data *data = i2c_get_clientdata(new_client); |
| 1098 | |
| 1099 | id = i2c_adapter_id(adapter); |
| 1100 | if (force_subclients[0] == id && force_subclients[1] == address) { |
| 1101 | for (i = 2; i <= 3; i++) { |
| 1102 | if (force_subclients[i] < 0x48 || |
| 1103 | force_subclients[i] > 0x4f) { |
| 1104 | dev_err(&new_client->dev, "invalid subclient " |
| 1105 | "address %d; must be 0x48-0x4f\n", |
| 1106 | force_subclients[i]); |
| 1107 | err = -ENODEV; |
| 1108 | goto ERROR_SC_0; |
| 1109 | } |
| 1110 | } |
| 1111 | w83792d_write_value(new_client, W83792D_REG_I2C_SUBADDR, |
| 1112 | (force_subclients[2] & 0x07) | |
| 1113 | ((force_subclients[3] & 0x07) << 4)); |
| 1114 | } |
| 1115 | |
| 1116 | val = w83792d_read_value(new_client, W83792D_REG_I2C_SUBADDR); |
| 1117 | if (!(val & 0x08)) { |
| 1118 | err = w83792d_create_subclient(adapter, new_client, val & 0x7, |
| 1119 | &data->lm75[0]); |
| 1120 | if (err < 0) |
| 1121 | goto ERROR_SC_0; |
| 1122 | } |
| 1123 | if (!(val & 0x80)) { |
| 1124 | if ((data->lm75[0] != NULL) && |
| 1125 | ((val & 0x7) == ((val >> 4) & 0x7))) { |
| 1126 | dev_err(&new_client->dev, "duplicate addresses 0x%x, " |
| 1127 | "use force_subclient\n", data->lm75[0]->addr); |
| 1128 | err = -ENODEV; |
| 1129 | goto ERROR_SC_1; |
| 1130 | } |
| 1131 | err = w83792d_create_subclient(adapter, new_client, |
| 1132 | (val >> 4) & 0x7, &data->lm75[1]); |
| 1133 | if (err < 0) |
| 1134 | goto ERROR_SC_1; |
| 1135 | } |
| 1136 | |
| 1137 | return 0; |
| 1138 | |
| 1139 | /* Undo inits in case of errors */ |
| 1140 | |
| 1141 | ERROR_SC_1: |
| 1142 | if (data->lm75[0] != NULL) { |
| 1143 | i2c_detach_client(data->lm75[0]); |
| 1144 | kfree(data->lm75[0]); |
| 1145 | } |
| 1146 | ERROR_SC_0: |
| 1147 | return err; |
| 1148 | } |
| 1149 | |
| 1150 | |
| 1151 | static int |
| 1152 | w83792d_detect(struct i2c_adapter *adapter, int address, int kind) |
| 1153 | { |
| 1154 | int i = 0, val1 = 0, val2; |
| 1155 | struct i2c_client *new_client; |
| 1156 | struct w83792d_data *data; |
| 1157 | int err = 0; |
| 1158 | const char *client_name = ""; |
| 1159 | |
| 1160 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { |
| 1161 | goto ERROR0; |
| 1162 | } |
| 1163 | |
| 1164 | /* OK. For now, we presume we have a valid client. We now create the |
| 1165 | client structure, even though we cannot fill it completely yet. |
| 1166 | But it allows us to access w83792d_{read,write}_value. */ |
| 1167 | |
Deepak Saxena | ba9c2e8 | 2005-10-17 23:08:32 +0200 | [diff] [blame] | 1168 | if (!(data = kzalloc(sizeof(struct w83792d_data), GFP_KERNEL))) { |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1169 | err = -ENOMEM; |
| 1170 | goto ERROR0; |
| 1171 | } |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1172 | |
| 1173 | new_client = &data->client; |
| 1174 | i2c_set_clientdata(new_client, data); |
| 1175 | new_client->addr = address; |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1176 | new_client->adapter = adapter; |
| 1177 | new_client->driver = &w83792d_driver; |
| 1178 | new_client->flags = 0; |
| 1179 | |
| 1180 | /* Now, we do the remaining detection. */ |
| 1181 | |
| 1182 | /* The w83792d may be stuck in some other bank than bank 0. This may |
| 1183 | make reading other information impossible. Specify a force=... or |
| 1184 | force_*=... parameter, and the Winbond will be reset to the right |
| 1185 | bank. */ |
| 1186 | if (kind < 0) { |
| 1187 | if (w83792d_read_value(new_client, W83792D_REG_CONFIG) & 0x80) { |
| 1188 | dev_warn(&new_client->dev, "Detection failed at step " |
| 1189 | "3\n"); |
| 1190 | goto ERROR1; |
| 1191 | } |
| 1192 | val1 = w83792d_read_value(new_client, W83792D_REG_BANK); |
| 1193 | val2 = w83792d_read_value(new_client, W83792D_REG_CHIPMAN); |
| 1194 | /* Check for Winbond ID if in bank 0 */ |
| 1195 | if (!(val1 & 0x07)) { /* is Bank0 */ |
| 1196 | if (((!(val1 & 0x80)) && (val2 != 0xa3)) || |
| 1197 | ((val1 & 0x80) && (val2 != 0x5c))) { |
| 1198 | goto ERROR1; |
| 1199 | } |
| 1200 | } |
| 1201 | /* If Winbond chip, address of chip and W83792D_REG_I2C_ADDR |
| 1202 | should match */ |
| 1203 | if (w83792d_read_value(new_client, |
| 1204 | W83792D_REG_I2C_ADDR) != address) { |
| 1205 | dev_warn(&new_client->dev, "Detection failed " |
| 1206 | "at step 5\n"); |
| 1207 | goto ERROR1; |
| 1208 | } |
| 1209 | } |
| 1210 | |
| 1211 | /* We have either had a force parameter, or we have already detected the |
| 1212 | Winbond. Put it now into bank 0 and Vendor ID High Byte */ |
| 1213 | w83792d_write_value(new_client, |
| 1214 | W83792D_REG_BANK, |
| 1215 | (w83792d_read_value(new_client, |
| 1216 | W83792D_REG_BANK) & 0x78) | 0x80); |
| 1217 | |
| 1218 | /* Determine the chip type. */ |
| 1219 | if (kind <= 0) { |
| 1220 | /* get vendor ID */ |
| 1221 | val2 = w83792d_read_value(new_client, W83792D_REG_CHIPMAN); |
| 1222 | if (val2 != 0x5c) { /* the vendor is NOT Winbond */ |
| 1223 | goto ERROR1; |
| 1224 | } |
| 1225 | val1 = w83792d_read_value(new_client, W83792D_REG_WCHIPID); |
Jean Delvare | c9152de | 2005-12-18 16:29:40 +0100 | [diff] [blame] | 1226 | if (val1 == 0x7a) { |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1227 | kind = w83792d; |
| 1228 | } else { |
| 1229 | if (kind == 0) |
| 1230 | dev_warn(&new_client->dev, |
| 1231 | "w83792d: Ignoring 'force' parameter for" |
| 1232 | " unknown chip at adapter %d, address" |
| 1233 | " 0x%02x\n", i2c_adapter_id(adapter), |
| 1234 | address); |
| 1235 | goto ERROR1; |
| 1236 | } |
| 1237 | } |
| 1238 | |
| 1239 | if (kind == w83792d) { |
| 1240 | client_name = "w83792d"; |
| 1241 | } else { |
| 1242 | dev_err(&new_client->dev, "w83792d: Internal error: unknown" |
| 1243 | " kind (%d)?!?", kind); |
| 1244 | goto ERROR1; |
| 1245 | } |
| 1246 | |
| 1247 | /* Fill in the remaining client fields and put into the global list */ |
| 1248 | strlcpy(new_client->name, client_name, I2C_NAME_SIZE); |
| 1249 | data->type = kind; |
| 1250 | |
| 1251 | data->valid = 0; |
| 1252 | init_MUTEX(&data->update_lock); |
| 1253 | |
| 1254 | /* Tell the I2C layer a new client has arrived */ |
| 1255 | if ((err = i2c_attach_client(new_client))) |
| 1256 | goto ERROR1; |
| 1257 | |
| 1258 | if ((err = w83792d_detect_subclients(adapter, address, |
| 1259 | kind, new_client))) |
| 1260 | goto ERROR2; |
| 1261 | |
| 1262 | /* Initialize the chip */ |
| 1263 | w83792d_init_client(new_client); |
| 1264 | |
| 1265 | /* A few vars need to be filled upon startup */ |
Jean Delvare | 9632051 | 2005-11-29 22:27:14 +0100 | [diff] [blame] | 1266 | for (i = 0; i < 7; i++) { |
| 1267 | data->fan_min[i] = w83792d_read_value(new_client, |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1268 | W83792D_REG_FAN_MIN[i]); |
| 1269 | } |
| 1270 | |
| 1271 | /* Register sysfs hooks */ |
R.Marek@sh.cvut.cz | ce785ab | 2005-07-27 11:50:18 +0000 | [diff] [blame] | 1272 | data->class_dev = hwmon_device_register(&new_client->dev); |
| 1273 | if (IS_ERR(data->class_dev)) { |
| 1274 | err = PTR_ERR(data->class_dev); |
| 1275 | goto ERROR3; |
| 1276 | } |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1277 | device_create_file_in(new_client, 0); |
| 1278 | device_create_file_in(new_client, 1); |
| 1279 | device_create_file_in(new_client, 2); |
| 1280 | device_create_file_in(new_client, 3); |
| 1281 | device_create_file_in(new_client, 4); |
| 1282 | device_create_file_in(new_client, 5); |
| 1283 | device_create_file_in(new_client, 6); |
| 1284 | device_create_file_in(new_client, 7); |
| 1285 | device_create_file_in(new_client, 8); |
| 1286 | |
| 1287 | device_create_file_fan(new_client, 1); |
| 1288 | device_create_file_fan(new_client, 2); |
| 1289 | device_create_file_fan(new_client, 3); |
Jean Delvare | 9632051 | 2005-11-29 22:27:14 +0100 | [diff] [blame] | 1290 | |
| 1291 | /* Read GPIO enable register to check if pins for fan 4,5 are used as |
| 1292 | GPIO */ |
| 1293 | val1 = w83792d_read_value(new_client, W83792D_REG_GPIO_EN); |
| 1294 | if (!(val1 & 0x40)) |
| 1295 | device_create_file_fan(new_client, 4); |
| 1296 | if (!(val1 & 0x20)) |
| 1297 | device_create_file_fan(new_client, 5); |
| 1298 | |
| 1299 | val1 = w83792d_read_value(new_client, W83792D_REG_PIN); |
| 1300 | if (val1 & 0x40) |
| 1301 | device_create_file_fan(new_client, 6); |
| 1302 | if (val1 & 0x04) |
| 1303 | device_create_file_fan(new_client, 7); |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1304 | |
| 1305 | device_create_file_temp1(new_client); /* Temp1 */ |
| 1306 | device_create_file_temp_add(new_client, 2); /* Temp2 */ |
| 1307 | device_create_file_temp_add(new_client, 3); /* Temp3 */ |
| 1308 | |
| 1309 | device_create_file_alarms(new_client); |
| 1310 | |
| 1311 | device_create_file_pwm(new_client, 1); |
| 1312 | device_create_file_pwm(new_client, 2); |
| 1313 | device_create_file_pwm(new_client, 3); |
| 1314 | |
| 1315 | device_create_file_pwmenable(new_client, 1); |
| 1316 | device_create_file_pwmenable(new_client, 2); |
| 1317 | device_create_file_pwmenable(new_client, 3); |
| 1318 | |
| 1319 | device_create_file_pwm_mode(new_client, 1); |
| 1320 | device_create_file_pwm_mode(new_client, 2); |
| 1321 | device_create_file_pwm_mode(new_client, 3); |
| 1322 | |
| 1323 | device_create_file_chassis(new_client); |
| 1324 | device_create_file_chassis_clear(new_client); |
| 1325 | |
| 1326 | device_create_file_thermal_cruise(new_client, 1); |
| 1327 | device_create_file_thermal_cruise(new_client, 2); |
| 1328 | device_create_file_thermal_cruise(new_client, 3); |
| 1329 | |
| 1330 | device_create_file_tolerance(new_client, 1); |
| 1331 | device_create_file_tolerance(new_client, 2); |
| 1332 | device_create_file_tolerance(new_client, 3); |
| 1333 | |
| 1334 | device_create_file_sf2_point(new_client, 1, 1); /* Fan1 */ |
| 1335 | device_create_file_sf2_point(new_client, 2, 1); /* Fan1 */ |
| 1336 | device_create_file_sf2_point(new_client, 3, 1); /* Fan1 */ |
| 1337 | device_create_file_sf2_point(new_client, 4, 1); /* Fan1 */ |
| 1338 | device_create_file_sf2_point(new_client, 1, 2); /* Fan2 */ |
| 1339 | device_create_file_sf2_point(new_client, 2, 2); /* Fan2 */ |
| 1340 | device_create_file_sf2_point(new_client, 3, 2); /* Fan2 */ |
| 1341 | device_create_file_sf2_point(new_client, 4, 2); /* Fan2 */ |
| 1342 | device_create_file_sf2_point(new_client, 1, 3); /* Fan3 */ |
| 1343 | device_create_file_sf2_point(new_client, 2, 3); /* Fan3 */ |
| 1344 | device_create_file_sf2_point(new_client, 3, 3); /* Fan3 */ |
| 1345 | device_create_file_sf2_point(new_client, 4, 3); /* Fan3 */ |
| 1346 | |
| 1347 | device_create_file_sf2_level(new_client, 1, 1); /* Fan1 */ |
| 1348 | device_create_file_sf2_level(new_client, 2, 1); /* Fan1 */ |
| 1349 | device_create_file_sf2_level(new_client, 3, 1); /* Fan1 */ |
| 1350 | device_create_file_sf2_level(new_client, 1, 2); /* Fan2 */ |
| 1351 | device_create_file_sf2_level(new_client, 2, 2); /* Fan2 */ |
| 1352 | device_create_file_sf2_level(new_client, 3, 2); /* Fan2 */ |
| 1353 | device_create_file_sf2_level(new_client, 1, 3); /* Fan3 */ |
| 1354 | device_create_file_sf2_level(new_client, 2, 3); /* Fan3 */ |
| 1355 | device_create_file_sf2_level(new_client, 3, 3); /* Fan3 */ |
| 1356 | |
| 1357 | return 0; |
| 1358 | |
R.Marek@sh.cvut.cz | ce785ab | 2005-07-27 11:50:18 +0000 | [diff] [blame] | 1359 | ERROR3: |
| 1360 | if (data->lm75[0] != NULL) { |
| 1361 | i2c_detach_client(data->lm75[0]); |
| 1362 | kfree(data->lm75[0]); |
| 1363 | } |
| 1364 | if (data->lm75[1] != NULL) { |
| 1365 | i2c_detach_client(data->lm75[1]); |
| 1366 | kfree(data->lm75[1]); |
| 1367 | } |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1368 | ERROR2: |
| 1369 | i2c_detach_client(new_client); |
| 1370 | ERROR1: |
| 1371 | kfree(data); |
| 1372 | ERROR0: |
| 1373 | return err; |
| 1374 | } |
| 1375 | |
| 1376 | static int |
| 1377 | w83792d_detach_client(struct i2c_client *client) |
| 1378 | { |
R.Marek@sh.cvut.cz | ce785ab | 2005-07-27 11:50:18 +0000 | [diff] [blame] | 1379 | struct w83792d_data *data = i2c_get_clientdata(client); |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1380 | int err; |
| 1381 | |
R.Marek@sh.cvut.cz | ce785ab | 2005-07-27 11:50:18 +0000 | [diff] [blame] | 1382 | /* main client */ |
| 1383 | if (data) |
| 1384 | hwmon_device_unregister(data->class_dev); |
| 1385 | |
Jean Delvare | 7bef559 | 2005-07-27 22:14:49 +0200 | [diff] [blame] | 1386 | if ((err = i2c_detach_client(client))) |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1387 | return err; |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1388 | |
R.Marek@sh.cvut.cz | ce785ab | 2005-07-27 11:50:18 +0000 | [diff] [blame] | 1389 | /* main client */ |
| 1390 | if (data) |
| 1391 | kfree(data); |
| 1392 | /* subclient */ |
| 1393 | else |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1394 | kfree(client); |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1395 | |
| 1396 | return 0; |
| 1397 | } |
| 1398 | |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1399 | static void |
| 1400 | w83792d_init_client(struct i2c_client *client) |
| 1401 | { |
| 1402 | u8 temp2_cfg, temp3_cfg, vid_in_b; |
| 1403 | |
| 1404 | if (init) { |
| 1405 | w83792d_write_value(client, W83792D_REG_CONFIG, 0x80); |
| 1406 | } |
| 1407 | /* Clear the bit6 of W83792D_REG_VID_IN_B(set it into 0): |
| 1408 | W83792D_REG_VID_IN_B bit6 = 0: the high/low limit of |
| 1409 | vin0/vin1 can be modified by user; |
| 1410 | W83792D_REG_VID_IN_B bit6 = 1: the high/low limit of |
| 1411 | vin0/vin1 auto-updated, can NOT be modified by user. */ |
| 1412 | vid_in_b = w83792d_read_value(client, W83792D_REG_VID_IN_B); |
| 1413 | w83792d_write_value(client, W83792D_REG_VID_IN_B, |
| 1414 | vid_in_b & 0xbf); |
| 1415 | |
| 1416 | temp2_cfg = w83792d_read_value(client, W83792D_REG_TEMP2_CONFIG); |
| 1417 | temp3_cfg = w83792d_read_value(client, W83792D_REG_TEMP3_CONFIG); |
| 1418 | w83792d_write_value(client, W83792D_REG_TEMP2_CONFIG, |
| 1419 | temp2_cfg & 0xe6); |
| 1420 | w83792d_write_value(client, W83792D_REG_TEMP3_CONFIG, |
| 1421 | temp3_cfg & 0xe6); |
| 1422 | |
| 1423 | /* Start monitoring */ |
| 1424 | w83792d_write_value(client, W83792D_REG_CONFIG, |
| 1425 | (w83792d_read_value(client, |
| 1426 | W83792D_REG_CONFIG) & 0xf7) |
| 1427 | | 0x01); |
| 1428 | } |
| 1429 | |
| 1430 | static struct w83792d_data *w83792d_update_device(struct device *dev) |
| 1431 | { |
| 1432 | struct i2c_client *client = to_i2c_client(dev); |
| 1433 | struct w83792d_data *data = i2c_get_clientdata(client); |
| 1434 | int i, j; |
| 1435 | u8 reg_array_tmp[4], pwm_array_tmp[7], reg_tmp; |
| 1436 | |
| 1437 | down(&data->update_lock); |
| 1438 | |
| 1439 | if (time_after |
| 1440 | (jiffies - data->last_updated, (unsigned long) (HZ * 3)) |
| 1441 | || time_before(jiffies, data->last_updated) || !data->valid) { |
| 1442 | dev_dbg(dev, "Starting device update\n"); |
| 1443 | |
| 1444 | /* Update the voltages measured value and limits */ |
| 1445 | for (i = 0; i < 9; i++) { |
| 1446 | data->in[i] = w83792d_read_value(client, |
| 1447 | W83792D_REG_IN[i]); |
| 1448 | data->in_max[i] = w83792d_read_value(client, |
| 1449 | W83792D_REG_IN_MAX[i]); |
| 1450 | data->in_min[i] = w83792d_read_value(client, |
| 1451 | W83792D_REG_IN_MIN[i]); |
| 1452 | } |
Jean Delvare | 99d8556 | 2005-12-18 16:34:28 +0100 | [diff] [blame] | 1453 | data->low_bits = w83792d_read_value(client, |
| 1454 | W83792D_REG_LOW_BITS1) + |
| 1455 | (w83792d_read_value(client, |
| 1456 | W83792D_REG_LOW_BITS2) << 8); |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1457 | for (i = 0; i < 7; i++) { |
| 1458 | /* Update the Fan measured value and limits */ |
| 1459 | data->fan[i] = w83792d_read_value(client, |
| 1460 | W83792D_REG_FAN[i]); |
| 1461 | data->fan_min[i] = w83792d_read_value(client, |
| 1462 | W83792D_REG_FAN_MIN[i]); |
| 1463 | /* Update the PWM/DC Value and PWM/DC flag */ |
| 1464 | pwm_array_tmp[i] = w83792d_read_value(client, |
| 1465 | W83792D_REG_PWM[i]); |
| 1466 | data->pwm[i] = pwm_array_tmp[i] & 0x0f; |
Jean Delvare | c9152de | 2005-12-18 16:29:40 +0100 | [diff] [blame] | 1467 | data->pwm_mode[i] = pwm_array_tmp[i] >> 7; |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1468 | } |
| 1469 | |
| 1470 | reg_tmp = w83792d_read_value(client, W83792D_REG_FAN_CFG); |
| 1471 | data->pwmenable[0] = reg_tmp & 0x03; |
| 1472 | data->pwmenable[1] = (reg_tmp>>2) & 0x03; |
| 1473 | data->pwmenable[2] = (reg_tmp>>4) & 0x03; |
| 1474 | |
| 1475 | for (i = 0; i < 3; i++) { |
| 1476 | data->temp1[i] = w83792d_read_value(client, |
| 1477 | W83792D_REG_TEMP1[i]); |
| 1478 | } |
| 1479 | for (i = 0; i < 2; i++) { |
| 1480 | for (j = 0; j < 6; j++) { |
| 1481 | data->temp_add[i][j] = w83792d_read_value( |
| 1482 | client,W83792D_REG_TEMP_ADD[i][j]); |
| 1483 | } |
| 1484 | } |
| 1485 | |
| 1486 | /* Update the Fan Divisor */ |
| 1487 | for (i = 0; i < 4; i++) { |
| 1488 | reg_array_tmp[i] = w83792d_read_value(client, |
| 1489 | W83792D_REG_FAN_DIV[i]); |
| 1490 | } |
| 1491 | data->fan_div[0] = reg_array_tmp[0] & 0x07; |
| 1492 | data->fan_div[1] = (reg_array_tmp[0] >> 4) & 0x07; |
| 1493 | data->fan_div[2] = reg_array_tmp[1] & 0x07; |
| 1494 | data->fan_div[3] = (reg_array_tmp[1] >> 4) & 0x07; |
| 1495 | data->fan_div[4] = reg_array_tmp[2] & 0x07; |
| 1496 | data->fan_div[5] = (reg_array_tmp[2] >> 4) & 0x07; |
| 1497 | data->fan_div[6] = reg_array_tmp[3] & 0x07; |
| 1498 | |
| 1499 | /* Update the realtime status */ |
| 1500 | data->alarms = w83792d_read_value(client, W83792D_REG_ALARM1) + |
| 1501 | (w83792d_read_value(client, W83792D_REG_ALARM2) << 8) + |
| 1502 | (w83792d_read_value(client, W83792D_REG_ALARM3) << 16); |
| 1503 | |
| 1504 | /* Update CaseOpen status and it's CLR_CHS. */ |
| 1505 | data->chassis = (w83792d_read_value(client, |
| 1506 | W83792D_REG_CHASSIS) >> 5) & 0x01; |
| 1507 | data->chassis_clear = (w83792d_read_value(client, |
| 1508 | W83792D_REG_CHASSIS_CLR) >> 7) & 0x01; |
| 1509 | |
| 1510 | /* Update Thermal Cruise/Smart Fan I target value */ |
| 1511 | for (i = 0; i < 3; i++) { |
| 1512 | data->thermal_cruise[i] = |
| 1513 | w83792d_read_value(client, |
| 1514 | W83792D_REG_THERMAL[i]) & 0x7f; |
| 1515 | } |
| 1516 | |
| 1517 | /* Update Smart Fan I/II tolerance */ |
| 1518 | reg_tmp = w83792d_read_value(client, W83792D_REG_TOLERANCE[0]); |
| 1519 | data->tolerance[0] = reg_tmp & 0x0f; |
| 1520 | data->tolerance[1] = (reg_tmp >> 4) & 0x0f; |
| 1521 | data->tolerance[2] = w83792d_read_value(client, |
| 1522 | W83792D_REG_TOLERANCE[2]) & 0x0f; |
| 1523 | |
| 1524 | /* Update Smart Fan II temperature points */ |
| 1525 | for (i = 0; i < 3; i++) { |
| 1526 | for (j = 0; j < 4; j++) { |
| 1527 | data->sf2_points[i][j] = w83792d_read_value( |
| 1528 | client,W83792D_REG_POINTS[i][j]) & 0x7f; |
| 1529 | } |
| 1530 | } |
| 1531 | |
| 1532 | /* Update Smart Fan II duty cycle levels */ |
| 1533 | for (i = 0; i < 3; i++) { |
| 1534 | reg_tmp = w83792d_read_value(client, |
| 1535 | W83792D_REG_LEVELS[i][0]); |
| 1536 | data->sf2_levels[i][0] = reg_tmp & 0x0f; |
| 1537 | data->sf2_levels[i][1] = (reg_tmp >> 4) & 0x0f; |
| 1538 | reg_tmp = w83792d_read_value(client, |
| 1539 | W83792D_REG_LEVELS[i][2]); |
| 1540 | data->sf2_levels[i][2] = (reg_tmp >> 4) & 0x0f; |
| 1541 | data->sf2_levels[i][3] = reg_tmp & 0x0f; |
| 1542 | } |
| 1543 | |
| 1544 | data->last_updated = jiffies; |
| 1545 | data->valid = 1; |
| 1546 | } |
| 1547 | |
| 1548 | up(&data->update_lock); |
| 1549 | |
| 1550 | #ifdef DEBUG |
| 1551 | w83792d_print_debug(data, dev); |
| 1552 | #endif |
| 1553 | |
| 1554 | return data; |
| 1555 | } |
| 1556 | |
| 1557 | #ifdef DEBUG |
| 1558 | static void w83792d_print_debug(struct w83792d_data *data, struct device *dev) |
| 1559 | { |
| 1560 | int i=0, j=0; |
| 1561 | dev_dbg(dev, "==========The following is the debug message...========\n"); |
| 1562 | dev_dbg(dev, "9 set of Voltages: =====>\n"); |
| 1563 | for (i=0; i<9; i++) { |
| 1564 | dev_dbg(dev, "vin[%d] is: 0x%x\n", i, data->in[i]); |
| 1565 | dev_dbg(dev, "vin[%d] max is: 0x%x\n", i, data->in_max[i]); |
| 1566 | dev_dbg(dev, "vin[%d] min is: 0x%x\n", i, data->in_min[i]); |
| 1567 | } |
Jean Delvare | 99d8556 | 2005-12-18 16:34:28 +0100 | [diff] [blame] | 1568 | dev_dbg(dev, "Low Bit1 is: 0x%x\n", data->low_bits & 0xff); |
| 1569 | dev_dbg(dev, "Low Bit2 is: 0x%x\n", data->low_bits >> 8); |
R.Marek@sh.cvut.cz | 5563e27 | 2005-07-27 11:43:47 +0000 | [diff] [blame] | 1570 | dev_dbg(dev, "7 set of Fan Counts and Duty Cycles: =====>\n"); |
| 1571 | for (i=0; i<7; i++) { |
| 1572 | dev_dbg(dev, "fan[%d] is: 0x%x\n", i, data->fan[i]); |
| 1573 | dev_dbg(dev, "fan[%d] min is: 0x%x\n", i, data->fan_min[i]); |
| 1574 | dev_dbg(dev, "pwm[%d] is: 0x%x\n", i, data->pwm[i]); |
| 1575 | dev_dbg(dev, "pwm_mode[%d] is: 0x%x\n", i, data->pwm_mode[i]); |
| 1576 | } |
| 1577 | dev_dbg(dev, "3 set of Temperatures: =====>\n"); |
| 1578 | for (i=0; i<3; i++) { |
| 1579 | dev_dbg(dev, "temp1[%d] is: 0x%x\n", i, data->temp1[i]); |
| 1580 | } |
| 1581 | |
| 1582 | for (i=0; i<2; i++) { |
| 1583 | for (j=0; j<6; j++) { |
| 1584 | dev_dbg(dev, "temp_add[%d][%d] is: 0x%x\n", i, j, |
| 1585 | data->temp_add[i][j]); |
| 1586 | } |
| 1587 | } |
| 1588 | |
| 1589 | for (i=0; i<7; i++) { |
| 1590 | dev_dbg(dev, "fan_div[%d] is: 0x%x\n", i, data->fan_div[i]); |
| 1591 | } |
| 1592 | dev_dbg(dev, "==========End of the debug message...==================\n"); |
| 1593 | dev_dbg(dev, "\n"); |
| 1594 | } |
| 1595 | #endif |
| 1596 | |
| 1597 | static int __init |
| 1598 | sensors_w83792d_init(void) |
| 1599 | { |
| 1600 | return i2c_add_driver(&w83792d_driver); |
| 1601 | } |
| 1602 | |
| 1603 | static void __exit |
| 1604 | sensors_w83792d_exit(void) |
| 1605 | { |
| 1606 | i2c_del_driver(&w83792d_driver); |
| 1607 | } |
| 1608 | |
| 1609 | MODULE_AUTHOR("Chunhao Huang @ Winbond <DZShen@Winbond.com.tw>"); |
| 1610 | MODULE_DESCRIPTION("W83792AD/D driver for linux-2.6"); |
| 1611 | MODULE_LICENSE("GPL"); |
| 1612 | |
| 1613 | module_init(sensors_w83792d_init); |
| 1614 | module_exit(sensors_w83792d_exit); |
| 1615 | |