Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1 | /* |
| 2 | w83627ehf - Driver for the hardware monitoring functionality of |
| 3 | the Winbond W83627EHF Super-I/O chip |
| 4 | Copyright (C) 2005 Jean Delvare <khali@linux-fr.org> |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame^] | 5 | Copyright (C) 2006 Yuan Mu <Ymu@Winbond.com.tw>, |
| 6 | Rudolf Marek <r.marek@sh.cvut.cz> |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 7 | |
| 8 | Shamelessly ripped from the w83627hf driver |
| 9 | Copyright (C) 2003 Mark Studebaker |
| 10 | |
| 11 | Thanks to Leon Moonen, Steve Cliffe and Grant Coady for their help |
| 12 | in testing and debugging this driver. |
| 13 | |
Jean Delvare | 8dd2d2c | 2005-07-27 21:33:15 +0200 | [diff] [blame] | 14 | This driver also supports the W83627EHG, which is the lead-free |
| 15 | version of the W83627EHF. |
| 16 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 17 | This program is free software; you can redistribute it and/or modify |
| 18 | it under the terms of the GNU General Public License as published by |
| 19 | the Free Software Foundation; either version 2 of the License, or |
| 20 | (at your option) any later version. |
| 21 | |
| 22 | This program is distributed in the hope that it will be useful, |
| 23 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 24 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 25 | GNU General Public License for more details. |
| 26 | |
| 27 | You should have received a copy of the GNU General Public License |
| 28 | along with this program; if not, write to the Free Software |
| 29 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 30 | |
| 31 | |
| 32 | Supports the following chips: |
| 33 | |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame^] | 34 | Chip #vin #fan #pwm #temp chip_id man_id |
| 35 | w83627ehf 10 5 4 3 0x88,0xa1 0x5ca3 |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 36 | */ |
| 37 | |
| 38 | #include <linux/module.h> |
| 39 | #include <linux/init.h> |
| 40 | #include <linux/slab.h> |
| 41 | #include <linux/i2c.h> |
Jean Delvare | fde0950 | 2005-07-19 23:51:07 +0200 | [diff] [blame] | 42 | #include <linux/i2c-isa.h> |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 43 | #include <linux/hwmon.h> |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 44 | #include <linux/hwmon-sysfs.h> |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 45 | #include <linux/err.h> |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 46 | #include <linux/mutex.h> |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 47 | #include <asm/io.h> |
| 48 | #include "lm75.h" |
| 49 | |
Jean Delvare | 2d8672c | 2005-07-19 23:56:35 +0200 | [diff] [blame] | 50 | /* The actual ISA address is read from Super-I/O configuration space */ |
| 51 | static unsigned short address; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 52 | |
| 53 | /* |
| 54 | * Super-I/O constants and functions |
| 55 | */ |
| 56 | |
| 57 | static int REG; /* The register to read/write */ |
| 58 | static int VAL; /* The value to read/write */ |
| 59 | |
| 60 | #define W83627EHF_LD_HWM 0x0b |
| 61 | |
| 62 | #define SIO_REG_LDSEL 0x07 /* Logical device select */ |
| 63 | #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ |
| 64 | #define SIO_REG_ENABLE 0x30 /* Logical device enable */ |
| 65 | #define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */ |
| 66 | |
| 67 | #define SIO_W83627EHF_ID 0x8840 |
| 68 | #define SIO_ID_MASK 0xFFC0 |
| 69 | |
| 70 | static inline void |
| 71 | superio_outb(int reg, int val) |
| 72 | { |
| 73 | outb(reg, REG); |
| 74 | outb(val, VAL); |
| 75 | } |
| 76 | |
| 77 | static inline int |
| 78 | superio_inb(int reg) |
| 79 | { |
| 80 | outb(reg, REG); |
| 81 | return inb(VAL); |
| 82 | } |
| 83 | |
| 84 | static inline void |
| 85 | superio_select(int ld) |
| 86 | { |
| 87 | outb(SIO_REG_LDSEL, REG); |
| 88 | outb(ld, VAL); |
| 89 | } |
| 90 | |
| 91 | static inline void |
| 92 | superio_enter(void) |
| 93 | { |
| 94 | outb(0x87, REG); |
| 95 | outb(0x87, REG); |
| 96 | } |
| 97 | |
| 98 | static inline void |
| 99 | superio_exit(void) |
| 100 | { |
| 101 | outb(0x02, REG); |
| 102 | outb(0x02, VAL); |
| 103 | } |
| 104 | |
| 105 | /* |
| 106 | * ISA constants |
| 107 | */ |
| 108 | |
Petr Vandrovec | ada0c2f | 2005-10-07 23:11:03 +0200 | [diff] [blame] | 109 | #define REGION_ALIGNMENT ~7 |
| 110 | #define REGION_OFFSET 5 |
| 111 | #define REGION_LENGTH 2 |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 112 | #define ADDR_REG_OFFSET 5 |
| 113 | #define DATA_REG_OFFSET 6 |
| 114 | |
| 115 | #define W83627EHF_REG_BANK 0x4E |
| 116 | #define W83627EHF_REG_CONFIG 0x40 |
| 117 | #define W83627EHF_REG_CHIP_ID 0x49 |
| 118 | #define W83627EHF_REG_MAN_ID 0x4F |
| 119 | |
| 120 | static const u16 W83627EHF_REG_FAN[] = { 0x28, 0x29, 0x2a, 0x3f, 0x553 }; |
| 121 | static const u16 W83627EHF_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d, 0x3e, 0x55c }; |
| 122 | |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 123 | /* The W83627EHF registers for nr=7,8,9 are in bank 5 */ |
| 124 | #define W83627EHF_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ |
| 125 | (0x554 + (((nr) - 7) * 2))) |
| 126 | #define W83627EHF_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ |
| 127 | (0x555 + (((nr) - 7) * 2))) |
| 128 | #define W83627EHF_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ |
| 129 | (0x550 + (nr) - 7)) |
| 130 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 131 | #define W83627EHF_REG_TEMP1 0x27 |
| 132 | #define W83627EHF_REG_TEMP1_HYST 0x3a |
| 133 | #define W83627EHF_REG_TEMP1_OVER 0x39 |
| 134 | static const u16 W83627EHF_REG_TEMP[] = { 0x150, 0x250 }; |
| 135 | static const u16 W83627EHF_REG_TEMP_HYST[] = { 0x153, 0x253 }; |
| 136 | static const u16 W83627EHF_REG_TEMP_OVER[] = { 0x155, 0x255 }; |
| 137 | static const u16 W83627EHF_REG_TEMP_CONFIG[] = { 0x152, 0x252 }; |
| 138 | |
| 139 | /* Fan clock dividers are spread over the following five registers */ |
| 140 | #define W83627EHF_REG_FANDIV1 0x47 |
| 141 | #define W83627EHF_REG_FANDIV2 0x4B |
| 142 | #define W83627EHF_REG_VBAT 0x5D |
| 143 | #define W83627EHF_REG_DIODE 0x59 |
| 144 | #define W83627EHF_REG_SMI_OVT 0x4C |
| 145 | |
Jean Delvare | a4589db | 2006-03-23 16:30:29 +0100 | [diff] [blame] | 146 | #define W83627EHF_REG_ALARM1 0x459 |
| 147 | #define W83627EHF_REG_ALARM2 0x45A |
| 148 | #define W83627EHF_REG_ALARM3 0x45B |
| 149 | |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame^] | 150 | /* SmartFan registers */ |
| 151 | /* DC or PWM output fan configuration */ |
| 152 | static const u8 W83627EHF_REG_PWM_ENABLE[] = { |
| 153 | 0x04, /* SYS FAN0 output mode and PWM mode */ |
| 154 | 0x04, /* CPU FAN0 output mode and PWM mode */ |
| 155 | 0x12, /* AUX FAN mode */ |
| 156 | 0x62, /* CPU fan1 mode */ |
| 157 | }; |
| 158 | |
| 159 | static const u8 W83627EHF_PWM_MODE_SHIFT[] = { 0, 1, 0, 6 }; |
| 160 | static const u8 W83627EHF_PWM_ENABLE_SHIFT[] = { 2, 4, 1, 4 }; |
| 161 | |
| 162 | /* FAN Duty Cycle, be used to control */ |
| 163 | static const u8 W83627EHF_REG_PWM[] = { 0x01, 0x03, 0x11, 0x61 }; |
| 164 | static const u8 W83627EHF_REG_TARGET[] = { 0x05, 0x06, 0x13, 0x63 }; |
| 165 | static const u8 W83627EHF_REG_TOLERANCE[] = { 0x07, 0x07, 0x14, 0x62 }; |
| 166 | |
| 167 | |
| 168 | /* Advanced Fan control, some values are common for all fans */ |
| 169 | static const u8 W83627EHF_REG_FAN_MIN_OUTPUT[] = { 0x08, 0x09, 0x15, 0x64 }; |
| 170 | static const u8 W83627EHF_REG_FAN_STOP_TIME[] = { 0x0C, 0x0D, 0x17, 0x66 }; |
| 171 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 172 | /* |
| 173 | * Conversions |
| 174 | */ |
| 175 | |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame^] | 176 | /* 1 is PWM mode, output in ms */ |
| 177 | static inline unsigned int step_time_from_reg(u8 reg, u8 mode) |
| 178 | { |
| 179 | return mode ? 100 * reg : 400 * reg; |
| 180 | } |
| 181 | |
| 182 | static inline u8 step_time_to_reg(unsigned int msec, u8 mode) |
| 183 | { |
| 184 | return SENSORS_LIMIT((mode ? (msec + 50) / 100 : |
| 185 | (msec + 200) / 400), 1, 255); |
| 186 | } |
| 187 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 188 | static inline unsigned int |
| 189 | fan_from_reg(u8 reg, unsigned int div) |
| 190 | { |
| 191 | if (reg == 0 || reg == 255) |
| 192 | return 0; |
| 193 | return 1350000U / (reg * div); |
| 194 | } |
| 195 | |
| 196 | static inline unsigned int |
| 197 | div_from_reg(u8 reg) |
| 198 | { |
| 199 | return 1 << reg; |
| 200 | } |
| 201 | |
| 202 | static inline int |
| 203 | temp1_from_reg(s8 reg) |
| 204 | { |
| 205 | return reg * 1000; |
| 206 | } |
| 207 | |
| 208 | static inline s8 |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame^] | 209 | temp1_to_reg(int temp, int min, int max) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 210 | { |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame^] | 211 | if (temp <= min) |
| 212 | return min / 1000; |
| 213 | if (temp >= max) |
| 214 | return max / 1000; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 215 | if (temp < 0) |
| 216 | return (temp - 500) / 1000; |
| 217 | return (temp + 500) / 1000; |
| 218 | } |
| 219 | |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 220 | /* Some of analog inputs have internal scaling (2x), 8mV is ADC LSB */ |
| 221 | |
| 222 | static u8 scale_in[10] = { 8, 8, 16, 16, 8, 8, 8, 16, 16, 8 }; |
| 223 | |
| 224 | static inline long in_from_reg(u8 reg, u8 nr) |
| 225 | { |
| 226 | return reg * scale_in[nr]; |
| 227 | } |
| 228 | |
| 229 | static inline u8 in_to_reg(u32 val, u8 nr) |
| 230 | { |
| 231 | return SENSORS_LIMIT(((val + (scale_in[nr] / 2)) / scale_in[nr]), 0, 255); |
| 232 | } |
| 233 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 234 | /* |
| 235 | * Data structures and manipulation thereof |
| 236 | */ |
| 237 | |
| 238 | struct w83627ehf_data { |
| 239 | struct i2c_client client; |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 240 | struct class_device *class_dev; |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 241 | struct mutex lock; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 242 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 243 | struct mutex update_lock; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 244 | char valid; /* !=0 if following fields are valid */ |
| 245 | unsigned long last_updated; /* In jiffies */ |
| 246 | |
| 247 | /* Register values */ |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 248 | u8 in[10]; /* Register value */ |
| 249 | u8 in_max[10]; /* Register value */ |
| 250 | u8 in_min[10]; /* Register value */ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 251 | u8 fan[5]; |
| 252 | u8 fan_min[5]; |
| 253 | u8 fan_div[5]; |
| 254 | u8 has_fan; /* some fan inputs can be disabled */ |
| 255 | s8 temp1; |
| 256 | s8 temp1_max; |
| 257 | s8 temp1_max_hyst; |
| 258 | s16 temp[2]; |
| 259 | s16 temp_max[2]; |
| 260 | s16 temp_max_hyst[2]; |
Jean Delvare | a4589db | 2006-03-23 16:30:29 +0100 | [diff] [blame] | 261 | u32 alarms; |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame^] | 262 | |
| 263 | u8 pwm_mode[4]; /* 0->DC variable voltage, 1->PWM variable duty cycle */ |
| 264 | u8 pwm_enable[4]; /* 1->manual |
| 265 | 2->thermal cruise (also called SmartFan I) */ |
| 266 | u8 pwm[4]; |
| 267 | u8 target_temp[4]; |
| 268 | u8 tolerance[4]; |
| 269 | |
| 270 | u8 fan_min_output[4]; /* minimum fan speed */ |
| 271 | u8 fan_stop_time[4]; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 272 | }; |
| 273 | |
| 274 | static inline int is_word_sized(u16 reg) |
| 275 | { |
| 276 | return (((reg & 0xff00) == 0x100 |
| 277 | || (reg & 0xff00) == 0x200) |
| 278 | && ((reg & 0x00ff) == 0x50 |
| 279 | || (reg & 0x00ff) == 0x53 |
| 280 | || (reg & 0x00ff) == 0x55)); |
| 281 | } |
| 282 | |
| 283 | /* We assume that the default bank is 0, thus the following two functions do |
| 284 | nothing for registers which live in bank 0. For others, they respectively |
| 285 | set the bank register to the correct value (before the register is |
| 286 | accessed), and back to 0 (afterwards). */ |
| 287 | static inline void w83627ehf_set_bank(struct i2c_client *client, u16 reg) |
| 288 | { |
| 289 | if (reg & 0xff00) { |
| 290 | outb_p(W83627EHF_REG_BANK, client->addr + ADDR_REG_OFFSET); |
| 291 | outb_p(reg >> 8, client->addr + DATA_REG_OFFSET); |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | static inline void w83627ehf_reset_bank(struct i2c_client *client, u16 reg) |
| 296 | { |
| 297 | if (reg & 0xff00) { |
| 298 | outb_p(W83627EHF_REG_BANK, client->addr + ADDR_REG_OFFSET); |
| 299 | outb_p(0, client->addr + DATA_REG_OFFSET); |
| 300 | } |
| 301 | } |
| 302 | |
| 303 | static u16 w83627ehf_read_value(struct i2c_client *client, u16 reg) |
| 304 | { |
| 305 | struct w83627ehf_data *data = i2c_get_clientdata(client); |
| 306 | int res, word_sized = is_word_sized(reg); |
| 307 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 308 | mutex_lock(&data->lock); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 309 | |
| 310 | w83627ehf_set_bank(client, reg); |
| 311 | outb_p(reg & 0xff, client->addr + ADDR_REG_OFFSET); |
| 312 | res = inb_p(client->addr + DATA_REG_OFFSET); |
| 313 | if (word_sized) { |
| 314 | outb_p((reg & 0xff) + 1, |
| 315 | client->addr + ADDR_REG_OFFSET); |
| 316 | res = (res << 8) + inb_p(client->addr + DATA_REG_OFFSET); |
| 317 | } |
| 318 | w83627ehf_reset_bank(client, reg); |
| 319 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 320 | mutex_unlock(&data->lock); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 321 | |
| 322 | return res; |
| 323 | } |
| 324 | |
| 325 | static int w83627ehf_write_value(struct i2c_client *client, u16 reg, u16 value) |
| 326 | { |
| 327 | struct w83627ehf_data *data = i2c_get_clientdata(client); |
| 328 | int word_sized = is_word_sized(reg); |
| 329 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 330 | mutex_lock(&data->lock); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 331 | |
| 332 | w83627ehf_set_bank(client, reg); |
| 333 | outb_p(reg & 0xff, client->addr + ADDR_REG_OFFSET); |
| 334 | if (word_sized) { |
| 335 | outb_p(value >> 8, client->addr + DATA_REG_OFFSET); |
| 336 | outb_p((reg & 0xff) + 1, |
| 337 | client->addr + ADDR_REG_OFFSET); |
| 338 | } |
| 339 | outb_p(value & 0xff, client->addr + DATA_REG_OFFSET); |
| 340 | w83627ehf_reset_bank(client, reg); |
| 341 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 342 | mutex_unlock(&data->lock); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 343 | return 0; |
| 344 | } |
| 345 | |
| 346 | /* This function assumes that the caller holds data->update_lock */ |
| 347 | static void w83627ehf_write_fan_div(struct i2c_client *client, int nr) |
| 348 | { |
| 349 | struct w83627ehf_data *data = i2c_get_clientdata(client); |
| 350 | u8 reg; |
| 351 | |
| 352 | switch (nr) { |
| 353 | case 0: |
| 354 | reg = (w83627ehf_read_value(client, W83627EHF_REG_FANDIV1) & 0xcf) |
| 355 | | ((data->fan_div[0] & 0x03) << 4); |
| 356 | w83627ehf_write_value(client, W83627EHF_REG_FANDIV1, reg); |
| 357 | reg = (w83627ehf_read_value(client, W83627EHF_REG_VBAT) & 0xdf) |
| 358 | | ((data->fan_div[0] & 0x04) << 3); |
| 359 | w83627ehf_write_value(client, W83627EHF_REG_VBAT, reg); |
| 360 | break; |
| 361 | case 1: |
| 362 | reg = (w83627ehf_read_value(client, W83627EHF_REG_FANDIV1) & 0x3f) |
| 363 | | ((data->fan_div[1] & 0x03) << 6); |
| 364 | w83627ehf_write_value(client, W83627EHF_REG_FANDIV1, reg); |
| 365 | reg = (w83627ehf_read_value(client, W83627EHF_REG_VBAT) & 0xbf) |
| 366 | | ((data->fan_div[1] & 0x04) << 4); |
| 367 | w83627ehf_write_value(client, W83627EHF_REG_VBAT, reg); |
| 368 | break; |
| 369 | case 2: |
| 370 | reg = (w83627ehf_read_value(client, W83627EHF_REG_FANDIV2) & 0x3f) |
| 371 | | ((data->fan_div[2] & 0x03) << 6); |
| 372 | w83627ehf_write_value(client, W83627EHF_REG_FANDIV2, reg); |
| 373 | reg = (w83627ehf_read_value(client, W83627EHF_REG_VBAT) & 0x7f) |
| 374 | | ((data->fan_div[2] & 0x04) << 5); |
| 375 | w83627ehf_write_value(client, W83627EHF_REG_VBAT, reg); |
| 376 | break; |
| 377 | case 3: |
| 378 | reg = (w83627ehf_read_value(client, W83627EHF_REG_DIODE) & 0xfc) |
| 379 | | (data->fan_div[3] & 0x03); |
| 380 | w83627ehf_write_value(client, W83627EHF_REG_DIODE, reg); |
| 381 | reg = (w83627ehf_read_value(client, W83627EHF_REG_SMI_OVT) & 0x7f) |
| 382 | | ((data->fan_div[3] & 0x04) << 5); |
| 383 | w83627ehf_write_value(client, W83627EHF_REG_SMI_OVT, reg); |
| 384 | break; |
| 385 | case 4: |
| 386 | reg = (w83627ehf_read_value(client, W83627EHF_REG_DIODE) & 0x73) |
| 387 | | ((data->fan_div[4] & 0x03) << 3) |
| 388 | | ((data->fan_div[4] & 0x04) << 5); |
| 389 | w83627ehf_write_value(client, W83627EHF_REG_DIODE, reg); |
| 390 | break; |
| 391 | } |
| 392 | } |
| 393 | |
| 394 | static struct w83627ehf_data *w83627ehf_update_device(struct device *dev) |
| 395 | { |
| 396 | struct i2c_client *client = to_i2c_client(dev); |
| 397 | struct w83627ehf_data *data = i2c_get_clientdata(client); |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame^] | 398 | int pwmcfg = 0, tolerance = 0; /* shut up the compiler */ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 399 | int i; |
| 400 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 401 | mutex_lock(&data->update_lock); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 402 | |
| 403 | if (time_after(jiffies, data->last_updated + HZ) |
| 404 | || !data->valid) { |
| 405 | /* Fan clock dividers */ |
| 406 | i = w83627ehf_read_value(client, W83627EHF_REG_FANDIV1); |
| 407 | data->fan_div[0] = (i >> 4) & 0x03; |
| 408 | data->fan_div[1] = (i >> 6) & 0x03; |
| 409 | i = w83627ehf_read_value(client, W83627EHF_REG_FANDIV2); |
| 410 | data->fan_div[2] = (i >> 6) & 0x03; |
| 411 | i = w83627ehf_read_value(client, W83627EHF_REG_VBAT); |
| 412 | data->fan_div[0] |= (i >> 3) & 0x04; |
| 413 | data->fan_div[1] |= (i >> 4) & 0x04; |
| 414 | data->fan_div[2] |= (i >> 5) & 0x04; |
| 415 | if (data->has_fan & ((1 << 3) | (1 << 4))) { |
| 416 | i = w83627ehf_read_value(client, W83627EHF_REG_DIODE); |
| 417 | data->fan_div[3] = i & 0x03; |
| 418 | data->fan_div[4] = ((i >> 2) & 0x03) |
| 419 | | ((i >> 5) & 0x04); |
| 420 | } |
| 421 | if (data->has_fan & (1 << 3)) { |
| 422 | i = w83627ehf_read_value(client, W83627EHF_REG_SMI_OVT); |
| 423 | data->fan_div[3] |= (i >> 5) & 0x04; |
| 424 | } |
| 425 | |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 426 | /* Measured voltages and limits */ |
| 427 | for (i = 0; i < 10; i++) { |
| 428 | data->in[i] = w83627ehf_read_value(client, |
| 429 | W83627EHF_REG_IN(i)); |
| 430 | data->in_min[i] = w83627ehf_read_value(client, |
| 431 | W83627EHF_REG_IN_MIN(i)); |
| 432 | data->in_max[i] = w83627ehf_read_value(client, |
| 433 | W83627EHF_REG_IN_MAX(i)); |
| 434 | } |
| 435 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 436 | /* Measured fan speeds and limits */ |
| 437 | for (i = 0; i < 5; i++) { |
| 438 | if (!(data->has_fan & (1 << i))) |
| 439 | continue; |
| 440 | |
| 441 | data->fan[i] = w83627ehf_read_value(client, |
| 442 | W83627EHF_REG_FAN[i]); |
| 443 | data->fan_min[i] = w83627ehf_read_value(client, |
| 444 | W83627EHF_REG_FAN_MIN[i]); |
| 445 | |
| 446 | /* If we failed to measure the fan speed and clock |
| 447 | divider can be increased, let's try that for next |
| 448 | time */ |
| 449 | if (data->fan[i] == 0xff |
| 450 | && data->fan_div[i] < 0x07) { |
| 451 | dev_dbg(&client->dev, "Increasing fan %d " |
| 452 | "clock divider from %u to %u\n", |
| 453 | i, div_from_reg(data->fan_div[i]), |
| 454 | div_from_reg(data->fan_div[i] + 1)); |
| 455 | data->fan_div[i]++; |
| 456 | w83627ehf_write_fan_div(client, i); |
| 457 | /* Preserve min limit if possible */ |
| 458 | if (data->fan_min[i] >= 2 |
| 459 | && data->fan_min[i] != 255) |
| 460 | w83627ehf_write_value(client, |
| 461 | W83627EHF_REG_FAN_MIN[i], |
| 462 | (data->fan_min[i] /= 2)); |
| 463 | } |
| 464 | } |
| 465 | |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame^] | 466 | for (i = 0; i < 4; i++) { |
| 467 | /* pwmcfg, tolarance mapped for i=0, i=1 to same reg */ |
| 468 | if (i != 1) { |
| 469 | pwmcfg = w83627ehf_read_value(client, |
| 470 | W83627EHF_REG_PWM_ENABLE[i]); |
| 471 | tolerance = w83627ehf_read_value(client, |
| 472 | W83627EHF_REG_TOLERANCE[i]); |
| 473 | } |
| 474 | data->pwm_mode[i] = |
| 475 | ((pwmcfg >> W83627EHF_PWM_MODE_SHIFT[i]) & 1) |
| 476 | ? 0 : 1; |
| 477 | data->pwm_enable[i] = |
| 478 | ((pwmcfg >> W83627EHF_PWM_ENABLE_SHIFT[i]) |
| 479 | & 3) + 1; |
| 480 | data->pwm[i] = w83627ehf_read_value(client, |
| 481 | W83627EHF_REG_PWM[i]); |
| 482 | data->fan_min_output[i] = w83627ehf_read_value(client, |
| 483 | W83627EHF_REG_FAN_MIN_OUTPUT[i]); |
| 484 | data->fan_stop_time[i] = w83627ehf_read_value(client, |
| 485 | W83627EHF_REG_FAN_STOP_TIME[i]); |
| 486 | data->target_temp[i] = |
| 487 | w83627ehf_read_value(client, |
| 488 | W83627EHF_REG_TARGET[i]) & |
| 489 | (data->pwm_mode[i] == 1 ? 0x7f : 0xff); |
| 490 | data->tolerance[i] = (tolerance >> (i == 1 ? 4 : 0)) |
| 491 | & 0x0f; |
| 492 | } |
| 493 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 494 | /* Measured temperatures and limits */ |
| 495 | data->temp1 = w83627ehf_read_value(client, |
| 496 | W83627EHF_REG_TEMP1); |
| 497 | data->temp1_max = w83627ehf_read_value(client, |
| 498 | W83627EHF_REG_TEMP1_OVER); |
| 499 | data->temp1_max_hyst = w83627ehf_read_value(client, |
| 500 | W83627EHF_REG_TEMP1_HYST); |
| 501 | for (i = 0; i < 2; i++) { |
| 502 | data->temp[i] = w83627ehf_read_value(client, |
| 503 | W83627EHF_REG_TEMP[i]); |
| 504 | data->temp_max[i] = w83627ehf_read_value(client, |
| 505 | W83627EHF_REG_TEMP_OVER[i]); |
| 506 | data->temp_max_hyst[i] = w83627ehf_read_value(client, |
| 507 | W83627EHF_REG_TEMP_HYST[i]); |
| 508 | } |
| 509 | |
Jean Delvare | a4589db | 2006-03-23 16:30:29 +0100 | [diff] [blame] | 510 | data->alarms = w83627ehf_read_value(client, |
| 511 | W83627EHF_REG_ALARM1) | |
| 512 | (w83627ehf_read_value(client, |
| 513 | W83627EHF_REG_ALARM2) << 8) | |
| 514 | (w83627ehf_read_value(client, |
| 515 | W83627EHF_REG_ALARM3) << 16); |
| 516 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 517 | data->last_updated = jiffies; |
| 518 | data->valid = 1; |
| 519 | } |
| 520 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 521 | mutex_unlock(&data->update_lock); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 522 | return data; |
| 523 | } |
| 524 | |
| 525 | /* |
| 526 | * Sysfs callback functions |
| 527 | */ |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 528 | #define show_in_reg(reg) \ |
| 529 | static ssize_t \ |
| 530 | show_##reg(struct device *dev, struct device_attribute *attr, \ |
| 531 | char *buf) \ |
| 532 | { \ |
| 533 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
| 534 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 535 | int nr = sensor_attr->index; \ |
| 536 | return sprintf(buf, "%ld\n", in_from_reg(data->reg[nr], nr)); \ |
| 537 | } |
| 538 | show_in_reg(in) |
| 539 | show_in_reg(in_min) |
| 540 | show_in_reg(in_max) |
| 541 | |
| 542 | #define store_in_reg(REG, reg) \ |
| 543 | static ssize_t \ |
| 544 | store_in_##reg (struct device *dev, struct device_attribute *attr, \ |
| 545 | const char *buf, size_t count) \ |
| 546 | { \ |
| 547 | struct i2c_client *client = to_i2c_client(dev); \ |
| 548 | struct w83627ehf_data *data = i2c_get_clientdata(client); \ |
| 549 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 550 | int nr = sensor_attr->index; \ |
| 551 | u32 val = simple_strtoul(buf, NULL, 10); \ |
| 552 | \ |
| 553 | mutex_lock(&data->update_lock); \ |
| 554 | data->in_##reg[nr] = in_to_reg(val, nr); \ |
| 555 | w83627ehf_write_value(client, W83627EHF_REG_IN_##REG(nr), \ |
| 556 | data->in_##reg[nr]); \ |
| 557 | mutex_unlock(&data->update_lock); \ |
| 558 | return count; \ |
| 559 | } |
| 560 | |
| 561 | store_in_reg(MIN, min) |
| 562 | store_in_reg(MAX, max) |
| 563 | |
Jean Delvare | a4589db | 2006-03-23 16:30:29 +0100 | [diff] [blame] | 564 | static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, char *buf) |
| 565 | { |
| 566 | struct w83627ehf_data *data = w83627ehf_update_device(dev); |
| 567 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 568 | int nr = sensor_attr->index; |
| 569 | return sprintf(buf, "%u\n", (data->alarms >> nr) & 0x01); |
| 570 | } |
| 571 | |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 572 | static struct sensor_device_attribute sda_in_input[] = { |
| 573 | SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0), |
| 574 | SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1), |
| 575 | SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2), |
| 576 | SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3), |
| 577 | SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4), |
| 578 | SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5), |
| 579 | SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6), |
| 580 | SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7), |
| 581 | SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8), |
| 582 | SENSOR_ATTR(in9_input, S_IRUGO, show_in, NULL, 9), |
| 583 | }; |
| 584 | |
Jean Delvare | a4589db | 2006-03-23 16:30:29 +0100 | [diff] [blame] | 585 | static struct sensor_device_attribute sda_in_alarm[] = { |
| 586 | SENSOR_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0), |
| 587 | SENSOR_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1), |
| 588 | SENSOR_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2), |
| 589 | SENSOR_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3), |
| 590 | SENSOR_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8), |
| 591 | SENSOR_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 21), |
| 592 | SENSOR_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 20), |
| 593 | SENSOR_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 16), |
| 594 | SENSOR_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 17), |
| 595 | SENSOR_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 19), |
| 596 | }; |
| 597 | |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 598 | static struct sensor_device_attribute sda_in_min[] = { |
| 599 | SENSOR_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 0), |
| 600 | SENSOR_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 1), |
| 601 | SENSOR_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 2), |
| 602 | SENSOR_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 3), |
| 603 | SENSOR_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 4), |
| 604 | SENSOR_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 5), |
| 605 | SENSOR_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 6), |
| 606 | SENSOR_ATTR(in7_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 7), |
| 607 | SENSOR_ATTR(in8_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 8), |
| 608 | SENSOR_ATTR(in9_min, S_IWUSR | S_IRUGO, show_in_min, store_in_min, 9), |
| 609 | }; |
| 610 | |
| 611 | static struct sensor_device_attribute sda_in_max[] = { |
| 612 | SENSOR_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 0), |
| 613 | SENSOR_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 1), |
| 614 | SENSOR_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 2), |
| 615 | SENSOR_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 3), |
| 616 | SENSOR_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 4), |
| 617 | SENSOR_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 5), |
| 618 | SENSOR_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 6), |
| 619 | SENSOR_ATTR(in7_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 7), |
| 620 | SENSOR_ATTR(in8_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 8), |
| 621 | SENSOR_ATTR(in9_max, S_IWUSR | S_IRUGO, show_in_max, store_in_max, 9), |
| 622 | }; |
| 623 | |
| 624 | static void device_create_file_in(struct device *dev, int i) |
| 625 | { |
| 626 | device_create_file(dev, &sda_in_input[i].dev_attr); |
Jean Delvare | a4589db | 2006-03-23 16:30:29 +0100 | [diff] [blame] | 627 | device_create_file(dev, &sda_in_alarm[i].dev_attr); |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 628 | device_create_file(dev, &sda_in_min[i].dev_attr); |
| 629 | device_create_file(dev, &sda_in_max[i].dev_attr); |
| 630 | } |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 631 | |
| 632 | #define show_fan_reg(reg) \ |
| 633 | static ssize_t \ |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 634 | show_##reg(struct device *dev, struct device_attribute *attr, \ |
| 635 | char *buf) \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 636 | { \ |
| 637 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 638 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 639 | int nr = sensor_attr->index; \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 640 | return sprintf(buf, "%d\n", \ |
| 641 | fan_from_reg(data->reg[nr], \ |
| 642 | div_from_reg(data->fan_div[nr]))); \ |
| 643 | } |
| 644 | show_fan_reg(fan); |
| 645 | show_fan_reg(fan_min); |
| 646 | |
| 647 | static ssize_t |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 648 | show_fan_div(struct device *dev, struct device_attribute *attr, |
| 649 | char *buf) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 650 | { |
| 651 | struct w83627ehf_data *data = w83627ehf_update_device(dev); |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 652 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 653 | int nr = sensor_attr->index; |
| 654 | return sprintf(buf, "%u\n", div_from_reg(data->fan_div[nr])); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 655 | } |
| 656 | |
| 657 | static ssize_t |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 658 | store_fan_min(struct device *dev, struct device_attribute *attr, |
| 659 | const char *buf, size_t count) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 660 | { |
| 661 | struct i2c_client *client = to_i2c_client(dev); |
| 662 | struct w83627ehf_data *data = i2c_get_clientdata(client); |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 663 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 664 | int nr = sensor_attr->index; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 665 | unsigned int val = simple_strtoul(buf, NULL, 10); |
| 666 | unsigned int reg; |
| 667 | u8 new_div; |
| 668 | |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 669 | mutex_lock(&data->update_lock); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 670 | if (!val) { |
| 671 | /* No min limit, alarm disabled */ |
| 672 | data->fan_min[nr] = 255; |
| 673 | new_div = data->fan_div[nr]; /* No change */ |
| 674 | dev_info(dev, "fan%u low limit and alarm disabled\n", nr + 1); |
| 675 | } else if ((reg = 1350000U / val) >= 128 * 255) { |
| 676 | /* Speed below this value cannot possibly be represented, |
| 677 | even with the highest divider (128) */ |
| 678 | data->fan_min[nr] = 254; |
| 679 | new_div = 7; /* 128 == (1 << 7) */ |
| 680 | dev_warn(dev, "fan%u low limit %u below minimum %u, set to " |
| 681 | "minimum\n", nr + 1, val, fan_from_reg(254, 128)); |
| 682 | } else if (!reg) { |
| 683 | /* Speed above this value cannot possibly be represented, |
| 684 | even with the lowest divider (1) */ |
| 685 | data->fan_min[nr] = 1; |
| 686 | new_div = 0; /* 1 == (1 << 0) */ |
| 687 | dev_warn(dev, "fan%u low limit %u above maximum %u, set to " |
Jean Delvare | b9110b1 | 2005-05-02 23:08:22 +0200 | [diff] [blame] | 688 | "maximum\n", nr + 1, val, fan_from_reg(1, 1)); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 689 | } else { |
| 690 | /* Automatically pick the best divider, i.e. the one such |
| 691 | that the min limit will correspond to a register value |
| 692 | in the 96..192 range */ |
| 693 | new_div = 0; |
| 694 | while (reg > 192 && new_div < 7) { |
| 695 | reg >>= 1; |
| 696 | new_div++; |
| 697 | } |
| 698 | data->fan_min[nr] = reg; |
| 699 | } |
| 700 | |
| 701 | /* Write both the fan clock divider (if it changed) and the new |
| 702 | fan min (unconditionally) */ |
| 703 | if (new_div != data->fan_div[nr]) { |
| 704 | if (new_div > data->fan_div[nr]) |
| 705 | data->fan[nr] >>= (data->fan_div[nr] - new_div); |
| 706 | else |
| 707 | data->fan[nr] <<= (new_div - data->fan_div[nr]); |
| 708 | |
| 709 | dev_dbg(dev, "fan%u clock divider changed from %u to %u\n", |
| 710 | nr + 1, div_from_reg(data->fan_div[nr]), |
| 711 | div_from_reg(new_div)); |
| 712 | data->fan_div[nr] = new_div; |
| 713 | w83627ehf_write_fan_div(client, nr); |
| 714 | } |
| 715 | w83627ehf_write_value(client, W83627EHF_REG_FAN_MIN[nr], |
| 716 | data->fan_min[nr]); |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 717 | mutex_unlock(&data->update_lock); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 718 | |
| 719 | return count; |
| 720 | } |
| 721 | |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 722 | static struct sensor_device_attribute sda_fan_input[] = { |
| 723 | SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0), |
| 724 | SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1), |
| 725 | SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2), |
| 726 | SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3), |
| 727 | SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4), |
| 728 | }; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 729 | |
Jean Delvare | a4589db | 2006-03-23 16:30:29 +0100 | [diff] [blame] | 730 | static struct sensor_device_attribute sda_fan_alarm[] = { |
| 731 | SENSOR_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6), |
| 732 | SENSOR_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7), |
| 733 | SENSOR_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11), |
| 734 | SENSOR_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 10), |
| 735 | SENSOR_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, 23), |
| 736 | }; |
| 737 | |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 738 | static struct sensor_device_attribute sda_fan_min[] = { |
| 739 | SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, |
| 740 | store_fan_min, 0), |
| 741 | SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, |
| 742 | store_fan_min, 1), |
| 743 | SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, |
| 744 | store_fan_min, 2), |
| 745 | SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, |
| 746 | store_fan_min, 3), |
| 747 | SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min, |
| 748 | store_fan_min, 4), |
| 749 | }; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 750 | |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 751 | static struct sensor_device_attribute sda_fan_div[] = { |
| 752 | SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0), |
| 753 | SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1), |
| 754 | SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2), |
| 755 | SENSOR_ATTR(fan4_div, S_IRUGO, show_fan_div, NULL, 3), |
| 756 | SENSOR_ATTR(fan5_div, S_IRUGO, show_fan_div, NULL, 4), |
| 757 | }; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 758 | |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 759 | static void device_create_file_fan(struct device *dev, int i) |
| 760 | { |
| 761 | device_create_file(dev, &sda_fan_input[i].dev_attr); |
Jean Delvare | a4589db | 2006-03-23 16:30:29 +0100 | [diff] [blame] | 762 | device_create_file(dev, &sda_fan_alarm[i].dev_attr); |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 763 | device_create_file(dev, &sda_fan_div[i].dev_attr); |
| 764 | device_create_file(dev, &sda_fan_min[i].dev_attr); |
| 765 | } |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 766 | |
| 767 | #define show_temp1_reg(reg) \ |
| 768 | static ssize_t \ |
Greg Kroah-Hartman | 6f637a6 | 2005-06-21 21:01:59 -0700 | [diff] [blame] | 769 | show_##reg(struct device *dev, struct device_attribute *attr, \ |
| 770 | char *buf) \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 771 | { \ |
| 772 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
| 773 | return sprintf(buf, "%d\n", temp1_from_reg(data->reg)); \ |
| 774 | } |
| 775 | show_temp1_reg(temp1); |
| 776 | show_temp1_reg(temp1_max); |
| 777 | show_temp1_reg(temp1_max_hyst); |
| 778 | |
| 779 | #define store_temp1_reg(REG, reg) \ |
| 780 | static ssize_t \ |
Greg Kroah-Hartman | 6f637a6 | 2005-06-21 21:01:59 -0700 | [diff] [blame] | 781 | store_temp1_##reg(struct device *dev, struct device_attribute *attr, \ |
| 782 | const char *buf, size_t count) \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 783 | { \ |
| 784 | struct i2c_client *client = to_i2c_client(dev); \ |
| 785 | struct w83627ehf_data *data = i2c_get_clientdata(client); \ |
| 786 | u32 val = simple_strtoul(buf, NULL, 10); \ |
| 787 | \ |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 788 | mutex_lock(&data->update_lock); \ |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame^] | 789 | data->temp1_##reg = temp1_to_reg(val, -128000, 127000); \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 790 | w83627ehf_write_value(client, W83627EHF_REG_TEMP1_##REG, \ |
| 791 | data->temp1_##reg); \ |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 792 | mutex_unlock(&data->update_lock); \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 793 | return count; \ |
| 794 | } |
| 795 | store_temp1_reg(OVER, max); |
| 796 | store_temp1_reg(HYST, max_hyst); |
| 797 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 798 | #define show_temp_reg(reg) \ |
| 799 | static ssize_t \ |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 800 | show_##reg(struct device *dev, struct device_attribute *attr, \ |
| 801 | char *buf) \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 802 | { \ |
| 803 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 804 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 805 | int nr = sensor_attr->index; \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 806 | return sprintf(buf, "%d\n", \ |
| 807 | LM75_TEMP_FROM_REG(data->reg[nr])); \ |
| 808 | } |
| 809 | show_temp_reg(temp); |
| 810 | show_temp_reg(temp_max); |
| 811 | show_temp_reg(temp_max_hyst); |
| 812 | |
| 813 | #define store_temp_reg(REG, reg) \ |
| 814 | static ssize_t \ |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 815 | store_##reg(struct device *dev, struct device_attribute *attr, \ |
| 816 | const char *buf, size_t count) \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 817 | { \ |
| 818 | struct i2c_client *client = to_i2c_client(dev); \ |
| 819 | struct w83627ehf_data *data = i2c_get_clientdata(client); \ |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 820 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 821 | int nr = sensor_attr->index; \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 822 | u32 val = simple_strtoul(buf, NULL, 10); \ |
| 823 | \ |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 824 | mutex_lock(&data->update_lock); \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 825 | data->reg[nr] = LM75_TEMP_TO_REG(val); \ |
| 826 | w83627ehf_write_value(client, W83627EHF_REG_TEMP_##REG[nr], \ |
| 827 | data->reg[nr]); \ |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 828 | mutex_unlock(&data->update_lock); \ |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 829 | return count; \ |
| 830 | } |
| 831 | store_temp_reg(OVER, temp_max); |
| 832 | store_temp_reg(HYST, temp_max_hyst); |
| 833 | |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 834 | static struct sensor_device_attribute sda_temp[] = { |
| 835 | SENSOR_ATTR(temp1_input, S_IRUGO, show_temp1, NULL, 0), |
| 836 | SENSOR_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 0), |
| 837 | SENSOR_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 1), |
| 838 | SENSOR_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp1_max, |
| 839 | store_temp1_max, 0), |
| 840 | SENSOR_ATTR(temp2_max, S_IRUGO | S_IWUSR, show_temp_max, |
| 841 | store_temp_max, 0), |
| 842 | SENSOR_ATTR(temp3_max, S_IRUGO | S_IWUSR, show_temp_max, |
| 843 | store_temp_max, 1), |
| 844 | SENSOR_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp1_max_hyst, |
| 845 | store_temp1_max_hyst, 0), |
| 846 | SENSOR_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst, |
| 847 | store_temp_max_hyst, 0), |
| 848 | SENSOR_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp_max_hyst, |
| 849 | store_temp_max_hyst, 1), |
Jean Delvare | a4589db | 2006-03-23 16:30:29 +0100 | [diff] [blame] | 850 | SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4), |
| 851 | SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5), |
| 852 | SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13), |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 853 | }; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 854 | |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame^] | 855 | #define show_pwm_reg(reg) \ |
| 856 | static ssize_t show_##reg (struct device *dev, struct device_attribute *attr, \ |
| 857 | char *buf) \ |
| 858 | { \ |
| 859 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
| 860 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 861 | int nr = sensor_attr->index; \ |
| 862 | return sprintf(buf, "%d\n", data->reg[nr]); \ |
| 863 | } |
| 864 | |
| 865 | show_pwm_reg(pwm_mode) |
| 866 | show_pwm_reg(pwm_enable) |
| 867 | show_pwm_reg(pwm) |
| 868 | |
| 869 | static ssize_t |
| 870 | store_pwm_mode(struct device *dev, struct device_attribute *attr, |
| 871 | const char *buf, size_t count) |
| 872 | { |
| 873 | struct i2c_client *client = to_i2c_client(dev); |
| 874 | struct w83627ehf_data *data = i2c_get_clientdata(client); |
| 875 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 876 | int nr = sensor_attr->index; |
| 877 | u32 val = simple_strtoul(buf, NULL, 10); |
| 878 | u16 reg; |
| 879 | |
| 880 | if (val > 1) |
| 881 | return -EINVAL; |
| 882 | mutex_lock(&data->update_lock); |
| 883 | reg = w83627ehf_read_value(client, W83627EHF_REG_PWM_ENABLE[nr]); |
| 884 | data->pwm_mode[nr] = val; |
| 885 | reg &= ~(1 << W83627EHF_PWM_MODE_SHIFT[nr]); |
| 886 | if (!val) |
| 887 | reg |= 1 << W83627EHF_PWM_MODE_SHIFT[nr]; |
| 888 | w83627ehf_write_value(client, W83627EHF_REG_PWM_ENABLE[nr], reg); |
| 889 | mutex_unlock(&data->update_lock); |
| 890 | return count; |
| 891 | } |
| 892 | |
| 893 | static ssize_t |
| 894 | store_pwm(struct device *dev, struct device_attribute *attr, |
| 895 | const char *buf, size_t count) |
| 896 | { |
| 897 | struct i2c_client *client = to_i2c_client(dev); |
| 898 | struct w83627ehf_data *data = i2c_get_clientdata(client); |
| 899 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 900 | int nr = sensor_attr->index; |
| 901 | u32 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 0, 255); |
| 902 | |
| 903 | mutex_lock(&data->update_lock); |
| 904 | data->pwm[nr] = val; |
| 905 | w83627ehf_write_value(client, W83627EHF_REG_PWM[nr], val); |
| 906 | mutex_unlock(&data->update_lock); |
| 907 | return count; |
| 908 | } |
| 909 | |
| 910 | static ssize_t |
| 911 | store_pwm_enable(struct device *dev, struct device_attribute *attr, |
| 912 | const char *buf, size_t count) |
| 913 | { |
| 914 | struct i2c_client *client = to_i2c_client(dev); |
| 915 | struct w83627ehf_data *data = i2c_get_clientdata(client); |
| 916 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 917 | int nr = sensor_attr->index; |
| 918 | u32 val = simple_strtoul(buf, NULL, 10); |
| 919 | u16 reg; |
| 920 | |
| 921 | if (!val || (val > 2)) /* only modes 1 and 2 are supported */ |
| 922 | return -EINVAL; |
| 923 | mutex_lock(&data->update_lock); |
| 924 | reg = w83627ehf_read_value(client, W83627EHF_REG_PWM_ENABLE[nr]); |
| 925 | data->pwm_enable[nr] = val; |
| 926 | reg &= ~(0x03 << W83627EHF_PWM_ENABLE_SHIFT[nr]); |
| 927 | reg |= (val - 1) << W83627EHF_PWM_ENABLE_SHIFT[nr]; |
| 928 | w83627ehf_write_value(client, W83627EHF_REG_PWM_ENABLE[nr], reg); |
| 929 | mutex_unlock(&data->update_lock); |
| 930 | return count; |
| 931 | } |
| 932 | |
| 933 | |
| 934 | #define show_tol_temp(reg) \ |
| 935 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ |
| 936 | char *buf) \ |
| 937 | { \ |
| 938 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
| 939 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 940 | int nr = sensor_attr->index; \ |
| 941 | return sprintf(buf, "%d\n", temp1_from_reg(data->reg[nr])); \ |
| 942 | } |
| 943 | |
| 944 | show_tol_temp(tolerance) |
| 945 | show_tol_temp(target_temp) |
| 946 | |
| 947 | static ssize_t |
| 948 | store_target_temp(struct device *dev, struct device_attribute *attr, |
| 949 | const char *buf, size_t count) |
| 950 | { |
| 951 | struct i2c_client *client = to_i2c_client(dev); |
| 952 | struct w83627ehf_data *data = i2c_get_clientdata(client); |
| 953 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 954 | int nr = sensor_attr->index; |
| 955 | u8 val = temp1_to_reg(simple_strtoul(buf, NULL, 10), 0, 127000); |
| 956 | |
| 957 | mutex_lock(&data->update_lock); |
| 958 | data->target_temp[nr] = val; |
| 959 | w83627ehf_write_value(client, W83627EHF_REG_TARGET[nr], val); |
| 960 | mutex_unlock(&data->update_lock); |
| 961 | return count; |
| 962 | } |
| 963 | |
| 964 | static ssize_t |
| 965 | store_tolerance(struct device *dev, struct device_attribute *attr, |
| 966 | const char *buf, size_t count) |
| 967 | { |
| 968 | struct i2c_client *client = to_i2c_client(dev); |
| 969 | struct w83627ehf_data *data = i2c_get_clientdata(client); |
| 970 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); |
| 971 | int nr = sensor_attr->index; |
| 972 | u16 reg; |
| 973 | /* Limit the temp to 0C - 15C */ |
| 974 | u8 val = temp1_to_reg(simple_strtoul(buf, NULL, 10), 0, 15000); |
| 975 | |
| 976 | mutex_lock(&data->update_lock); |
| 977 | reg = w83627ehf_read_value(client, W83627EHF_REG_TOLERANCE[nr]); |
| 978 | data->tolerance[nr] = val; |
| 979 | if (nr == 1) |
| 980 | reg = (reg & 0x0f) | (val << 4); |
| 981 | else |
| 982 | reg = (reg & 0xf0) | val; |
| 983 | w83627ehf_write_value(client, W83627EHF_REG_TOLERANCE[nr], reg); |
| 984 | mutex_unlock(&data->update_lock); |
| 985 | return count; |
| 986 | } |
| 987 | |
| 988 | static struct sensor_device_attribute sda_pwm[] = { |
| 989 | SENSOR_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0), |
| 990 | SENSOR_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1), |
| 991 | SENSOR_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2), |
| 992 | SENSOR_ATTR(pwm4, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3), |
| 993 | }; |
| 994 | |
| 995 | static struct sensor_device_attribute sda_pwm_mode[] = { |
| 996 | SENSOR_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
| 997 | store_pwm_mode, 0), |
| 998 | SENSOR_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
| 999 | store_pwm_mode, 1), |
| 1000 | SENSOR_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
| 1001 | store_pwm_mode, 2), |
| 1002 | SENSOR_ATTR(pwm4_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
| 1003 | store_pwm_mode, 3), |
| 1004 | }; |
| 1005 | |
| 1006 | static struct sensor_device_attribute sda_pwm_enable[] = { |
| 1007 | SENSOR_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
| 1008 | store_pwm_enable, 0), |
| 1009 | SENSOR_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
| 1010 | store_pwm_enable, 1), |
| 1011 | SENSOR_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
| 1012 | store_pwm_enable, 2), |
| 1013 | SENSOR_ATTR(pwm4_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
| 1014 | store_pwm_enable, 3), |
| 1015 | }; |
| 1016 | |
| 1017 | static struct sensor_device_attribute sda_target_temp[] = { |
| 1018 | SENSOR_ATTR(pwm1_target, S_IWUSR | S_IRUGO, show_target_temp, |
| 1019 | store_target_temp, 0), |
| 1020 | SENSOR_ATTR(pwm2_target, S_IWUSR | S_IRUGO, show_target_temp, |
| 1021 | store_target_temp, 1), |
| 1022 | SENSOR_ATTR(pwm3_target, S_IWUSR | S_IRUGO, show_target_temp, |
| 1023 | store_target_temp, 2), |
| 1024 | SENSOR_ATTR(pwm4_target, S_IWUSR | S_IRUGO, show_target_temp, |
| 1025 | store_target_temp, 3), |
| 1026 | }; |
| 1027 | |
| 1028 | static struct sensor_device_attribute sda_tolerance[] = { |
| 1029 | SENSOR_ATTR(pwm1_tolerance, S_IWUSR | S_IRUGO, show_tolerance, |
| 1030 | store_tolerance, 0), |
| 1031 | SENSOR_ATTR(pwm2_tolerance, S_IWUSR | S_IRUGO, show_tolerance, |
| 1032 | store_tolerance, 1), |
| 1033 | SENSOR_ATTR(pwm3_tolerance, S_IWUSR | S_IRUGO, show_tolerance, |
| 1034 | store_tolerance, 2), |
| 1035 | SENSOR_ATTR(pwm4_tolerance, S_IWUSR | S_IRUGO, show_tolerance, |
| 1036 | store_tolerance, 3), |
| 1037 | }; |
| 1038 | |
| 1039 | static void device_create_file_pwm(struct device *dev, int i) |
| 1040 | { |
| 1041 | device_create_file(dev, &sda_pwm[i].dev_attr); |
| 1042 | device_create_file(dev, &sda_pwm_mode[i].dev_attr); |
| 1043 | device_create_file(dev, &sda_pwm_enable[i].dev_attr); |
| 1044 | device_create_file(dev, &sda_target_temp[i].dev_attr); |
| 1045 | device_create_file(dev, &sda_tolerance[i].dev_attr); |
| 1046 | } |
| 1047 | |
| 1048 | /* Smart Fan registers */ |
| 1049 | |
| 1050 | #define fan_functions(reg, REG) \ |
| 1051 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ |
| 1052 | char *buf) \ |
| 1053 | { \ |
| 1054 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
| 1055 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 1056 | int nr = sensor_attr->index; \ |
| 1057 | return sprintf(buf, "%d\n", data->reg[nr]); \ |
| 1058 | }\ |
| 1059 | static ssize_t \ |
| 1060 | store_##reg(struct device *dev, struct device_attribute *attr, \ |
| 1061 | const char *buf, size_t count) \ |
| 1062 | {\ |
| 1063 | struct i2c_client *client = to_i2c_client(dev); \ |
| 1064 | struct w83627ehf_data *data = i2c_get_clientdata(client); \ |
| 1065 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 1066 | int nr = sensor_attr->index; \ |
| 1067 | u32 val = SENSORS_LIMIT(simple_strtoul(buf, NULL, 10), 1, 255); \ |
| 1068 | mutex_lock(&data->update_lock); \ |
| 1069 | data->reg[nr] = val; \ |
| 1070 | w83627ehf_write_value(client, W83627EHF_REG_##REG[nr], val); \ |
| 1071 | mutex_unlock(&data->update_lock); \ |
| 1072 | return count; \ |
| 1073 | } |
| 1074 | |
| 1075 | fan_functions(fan_min_output, FAN_MIN_OUTPUT) |
| 1076 | |
| 1077 | #define fan_time_functions(reg, REG) \ |
| 1078 | static ssize_t show_##reg(struct device *dev, struct device_attribute *attr, \ |
| 1079 | char *buf) \ |
| 1080 | { \ |
| 1081 | struct w83627ehf_data *data = w83627ehf_update_device(dev); \ |
| 1082 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 1083 | int nr = sensor_attr->index; \ |
| 1084 | return sprintf(buf, "%d\n", \ |
| 1085 | step_time_from_reg(data->reg[nr], data->pwm_mode[nr])); \ |
| 1086 | } \ |
| 1087 | \ |
| 1088 | static ssize_t \ |
| 1089 | store_##reg(struct device *dev, struct device_attribute *attr, \ |
| 1090 | const char *buf, size_t count) \ |
| 1091 | { \ |
| 1092 | struct i2c_client *client = to_i2c_client(dev); \ |
| 1093 | struct w83627ehf_data *data = i2c_get_clientdata(client); \ |
| 1094 | struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); \ |
| 1095 | int nr = sensor_attr->index; \ |
| 1096 | u8 val = step_time_to_reg(simple_strtoul(buf, NULL, 10), \ |
| 1097 | data->pwm_mode[nr]); \ |
| 1098 | mutex_lock(&data->update_lock); \ |
| 1099 | data->reg[nr] = val; \ |
| 1100 | w83627ehf_write_value(client, W83627EHF_REG_##REG[nr], val); \ |
| 1101 | mutex_unlock(&data->update_lock); \ |
| 1102 | return count; \ |
| 1103 | } \ |
| 1104 | |
| 1105 | fan_time_functions(fan_stop_time, FAN_STOP_TIME) |
| 1106 | |
| 1107 | |
| 1108 | static struct sensor_device_attribute sda_sf3_arrays_fan4[] = { |
| 1109 | SENSOR_ATTR(pwm4_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, |
| 1110 | store_fan_stop_time, 3), |
| 1111 | SENSOR_ATTR(pwm4_min_output, S_IWUSR | S_IRUGO, show_fan_min_output, |
| 1112 | store_fan_min_output, 3), |
| 1113 | }; |
| 1114 | |
| 1115 | static struct sensor_device_attribute sda_sf3_arrays[] = { |
| 1116 | SENSOR_ATTR(pwm1_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, |
| 1117 | store_fan_stop_time, 0), |
| 1118 | SENSOR_ATTR(pwm2_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, |
| 1119 | store_fan_stop_time, 1), |
| 1120 | SENSOR_ATTR(pwm3_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time, |
| 1121 | store_fan_stop_time, 2), |
| 1122 | SENSOR_ATTR(pwm1_min_output, S_IWUSR | S_IRUGO, show_fan_min_output, |
| 1123 | store_fan_min_output, 0), |
| 1124 | SENSOR_ATTR(pwm2_min_output, S_IWUSR | S_IRUGO, show_fan_min_output, |
| 1125 | store_fan_min_output, 1), |
| 1126 | SENSOR_ATTR(pwm3_min_output, S_IWUSR | S_IRUGO, show_fan_min_output, |
| 1127 | store_fan_min_output, 2), |
| 1128 | }; |
| 1129 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1130 | /* |
| 1131 | * Driver and client management |
| 1132 | */ |
| 1133 | |
| 1134 | static struct i2c_driver w83627ehf_driver; |
| 1135 | |
| 1136 | static void w83627ehf_init_client(struct i2c_client *client) |
| 1137 | { |
| 1138 | int i; |
| 1139 | u8 tmp; |
| 1140 | |
| 1141 | /* Start monitoring is needed */ |
| 1142 | tmp = w83627ehf_read_value(client, W83627EHF_REG_CONFIG); |
| 1143 | if (!(tmp & 0x01)) |
| 1144 | w83627ehf_write_value(client, W83627EHF_REG_CONFIG, |
| 1145 | tmp | 0x01); |
| 1146 | |
| 1147 | /* Enable temp2 and temp3 if needed */ |
| 1148 | for (i = 0; i < 2; i++) { |
| 1149 | tmp = w83627ehf_read_value(client, |
| 1150 | W83627EHF_REG_TEMP_CONFIG[i]); |
| 1151 | if (tmp & 0x01) |
| 1152 | w83627ehf_write_value(client, |
| 1153 | W83627EHF_REG_TEMP_CONFIG[i], |
| 1154 | tmp & 0xfe); |
| 1155 | } |
| 1156 | } |
| 1157 | |
Jean Delvare | 2d8672c | 2005-07-19 23:56:35 +0200 | [diff] [blame] | 1158 | static int w83627ehf_detect(struct i2c_adapter *adapter) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1159 | { |
| 1160 | struct i2c_client *client; |
| 1161 | struct w83627ehf_data *data; |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 1162 | struct device *dev; |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame^] | 1163 | u8 fan4pin, fan5pin; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1164 | int i, err = 0; |
| 1165 | |
Petr Vandrovec | ada0c2f | 2005-10-07 23:11:03 +0200 | [diff] [blame] | 1166 | if (!request_region(address + REGION_OFFSET, REGION_LENGTH, |
Laurent Riffard | cdaf793 | 2005-11-26 20:37:41 +0100 | [diff] [blame] | 1167 | w83627ehf_driver.driver.name)) { |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1168 | err = -EBUSY; |
| 1169 | goto exit; |
| 1170 | } |
| 1171 | |
Deepak Saxena | ba9c2e8 | 2005-10-17 23:08:32 +0200 | [diff] [blame] | 1172 | if (!(data = kzalloc(sizeof(struct w83627ehf_data), GFP_KERNEL))) { |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1173 | err = -ENOMEM; |
| 1174 | goto exit_release; |
| 1175 | } |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1176 | |
| 1177 | client = &data->client; |
| 1178 | i2c_set_clientdata(client, data); |
| 1179 | client->addr = address; |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 1180 | mutex_init(&data->lock); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1181 | client->adapter = adapter; |
| 1182 | client->driver = &w83627ehf_driver; |
| 1183 | client->flags = 0; |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 1184 | dev = &client->dev; |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1185 | |
| 1186 | strlcpy(client->name, "w83627ehf", I2C_NAME_SIZE); |
| 1187 | data->valid = 0; |
Ingo Molnar | 9a61bf6 | 2006-01-18 23:19:26 +0100 | [diff] [blame] | 1188 | mutex_init(&data->update_lock); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1189 | |
| 1190 | /* Tell the i2c layer a new client has arrived */ |
| 1191 | if ((err = i2c_attach_client(client))) |
| 1192 | goto exit_free; |
| 1193 | |
| 1194 | /* Initialize the chip */ |
| 1195 | w83627ehf_init_client(client); |
| 1196 | |
| 1197 | /* A few vars need to be filled upon startup */ |
| 1198 | for (i = 0; i < 5; i++) |
| 1199 | data->fan_min[i] = w83627ehf_read_value(client, |
| 1200 | W83627EHF_REG_FAN_MIN[i]); |
| 1201 | |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame^] | 1202 | /* fan4 and fan5 share some pins with the GPIO and serial flash */ |
| 1203 | |
| 1204 | superio_enter(); |
| 1205 | fan5pin = superio_inb(0x24) & 0x2; |
| 1206 | fan4pin = superio_inb(0x29) & 0x6; |
| 1207 | superio_exit(); |
| 1208 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1209 | /* It looks like fan4 and fan5 pins can be alternatively used |
| 1210 | as fan on/off switches */ |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame^] | 1211 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1212 | data->has_fan = 0x07; /* fan1, fan2 and fan3 */ |
| 1213 | i = w83627ehf_read_value(client, W83627EHF_REG_FANDIV1); |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame^] | 1214 | if ((i & (1 << 2)) && (!fan4pin)) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1215 | data->has_fan |= (1 << 3); |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame^] | 1216 | if ((i & (1 << 0)) && (!fan5pin)) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1217 | data->has_fan |= (1 << 4); |
| 1218 | |
| 1219 | /* Register sysfs hooks */ |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 1220 | data->class_dev = hwmon_device_register(dev); |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1221 | if (IS_ERR(data->class_dev)) { |
| 1222 | err = PTR_ERR(data->class_dev); |
| 1223 | goto exit_detach; |
| 1224 | } |
| 1225 | |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame^] | 1226 | for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++) |
| 1227 | device_create_file(dev, &sda_sf3_arrays[i].dev_attr); |
| 1228 | |
| 1229 | /* if fan4 is enabled create the sf3 files for it */ |
| 1230 | if (data->has_fan & (1 << 3)) |
| 1231 | for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays_fan4); i++) |
| 1232 | device_create_file(dev, &sda_sf3_arrays_fan4[i].dev_attr); |
| 1233 | |
Rudolf Marek | cf0676f | 2006-03-23 16:25:22 +0100 | [diff] [blame] | 1234 | for (i = 0; i < 10; i++) |
| 1235 | device_create_file_in(dev, i); |
| 1236 | |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 1237 | for (i = 0; i < 5; i++) { |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame^] | 1238 | if (data->has_fan & (1 << i)) { |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 1239 | device_create_file_fan(dev, i); |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame^] | 1240 | if (i != 4) /* we have only 4 pwm */ |
| 1241 | device_create_file_pwm(dev, i); |
| 1242 | } |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1243 | } |
Rudolf Marek | 08c7995 | 2006-07-05 18:14:31 +0200 | [diff] [blame^] | 1244 | |
Yuan Mu | 412fec8 | 2006-02-05 23:24:16 +0100 | [diff] [blame] | 1245 | for (i = 0; i < ARRAY_SIZE(sda_temp); i++) |
| 1246 | device_create_file(dev, &sda_temp[i].dev_attr); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1247 | |
| 1248 | return 0; |
| 1249 | |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1250 | exit_detach: |
| 1251 | i2c_detach_client(client); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1252 | exit_free: |
| 1253 | kfree(data); |
| 1254 | exit_release: |
Petr Vandrovec | ada0c2f | 2005-10-07 23:11:03 +0200 | [diff] [blame] | 1255 | release_region(address + REGION_OFFSET, REGION_LENGTH); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1256 | exit: |
| 1257 | return err; |
| 1258 | } |
| 1259 | |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1260 | static int w83627ehf_detach_client(struct i2c_client *client) |
| 1261 | { |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1262 | struct w83627ehf_data *data = i2c_get_clientdata(client); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1263 | int err; |
| 1264 | |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1265 | hwmon_device_unregister(data->class_dev); |
| 1266 | |
Jean Delvare | 7bef559 | 2005-07-27 22:14:49 +0200 | [diff] [blame] | 1267 | if ((err = i2c_detach_client(client))) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1268 | return err; |
Petr Vandrovec | ada0c2f | 2005-10-07 23:11:03 +0200 | [diff] [blame] | 1269 | release_region(client->addr + REGION_OFFSET, REGION_LENGTH); |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1270 | kfree(data); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1271 | |
| 1272 | return 0; |
| 1273 | } |
| 1274 | |
| 1275 | static struct i2c_driver w83627ehf_driver = { |
Laurent Riffard | cdaf793 | 2005-11-26 20:37:41 +0100 | [diff] [blame] | 1276 | .driver = { |
Jean Delvare | 8721884 | 2006-09-03 22:36:14 +0200 | [diff] [blame] | 1277 | .owner = THIS_MODULE, |
Laurent Riffard | cdaf793 | 2005-11-26 20:37:41 +0100 | [diff] [blame] | 1278 | .name = "w83627ehf", |
| 1279 | }, |
Jean Delvare | 2d8672c | 2005-07-19 23:56:35 +0200 | [diff] [blame] | 1280 | .attach_adapter = w83627ehf_detect, |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1281 | .detach_client = w83627ehf_detach_client, |
| 1282 | }; |
| 1283 | |
Jean Delvare | 2d8672c | 2005-07-19 23:56:35 +0200 | [diff] [blame] | 1284 | static int __init w83627ehf_find(int sioaddr, unsigned short *addr) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1285 | { |
| 1286 | u16 val; |
| 1287 | |
| 1288 | REG = sioaddr; |
| 1289 | VAL = sioaddr + 1; |
| 1290 | superio_enter(); |
| 1291 | |
| 1292 | val = (superio_inb(SIO_REG_DEVID) << 8) |
| 1293 | | superio_inb(SIO_REG_DEVID + 1); |
| 1294 | if ((val & SIO_ID_MASK) != SIO_W83627EHF_ID) { |
| 1295 | superio_exit(); |
| 1296 | return -ENODEV; |
| 1297 | } |
| 1298 | |
| 1299 | superio_select(W83627EHF_LD_HWM); |
| 1300 | val = (superio_inb(SIO_REG_ADDR) << 8) |
| 1301 | | superio_inb(SIO_REG_ADDR + 1); |
Petr Vandrovec | ada0c2f | 2005-10-07 23:11:03 +0200 | [diff] [blame] | 1302 | *addr = val & REGION_ALIGNMENT; |
Jean Delvare | 2d8672c | 2005-07-19 23:56:35 +0200 | [diff] [blame] | 1303 | if (*addr == 0) { |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1304 | superio_exit(); |
| 1305 | return -ENODEV; |
| 1306 | } |
| 1307 | |
| 1308 | /* Activate logical device if needed */ |
| 1309 | val = superio_inb(SIO_REG_ENABLE); |
| 1310 | if (!(val & 0x01)) |
| 1311 | superio_outb(SIO_REG_ENABLE, val | 0x01); |
| 1312 | |
| 1313 | superio_exit(); |
| 1314 | return 0; |
| 1315 | } |
| 1316 | |
| 1317 | static int __init sensors_w83627ehf_init(void) |
| 1318 | { |
Jean Delvare | 2d8672c | 2005-07-19 23:56:35 +0200 | [diff] [blame] | 1319 | if (w83627ehf_find(0x2e, &address) |
| 1320 | && w83627ehf_find(0x4e, &address)) |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1321 | return -ENODEV; |
| 1322 | |
Jean Delvare | fde0950 | 2005-07-19 23:51:07 +0200 | [diff] [blame] | 1323 | return i2c_isa_add_driver(&w83627ehf_driver); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1324 | } |
| 1325 | |
| 1326 | static void __exit sensors_w83627ehf_exit(void) |
| 1327 | { |
Jean Delvare | fde0950 | 2005-07-19 23:51:07 +0200 | [diff] [blame] | 1328 | i2c_isa_del_driver(&w83627ehf_driver); |
Jean Delvare | 08e7e27 | 2005-04-25 22:43:25 +0200 | [diff] [blame] | 1329 | } |
| 1330 | |
| 1331 | MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>"); |
| 1332 | MODULE_DESCRIPTION("W83627EHF driver"); |
| 1333 | MODULE_LICENSE("GPL"); |
| 1334 | |
| 1335 | module_init(sensors_w83627ehf_init); |
| 1336 | module_exit(sensors_w83627ehf_exit); |