Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware |
| 3 | monitoring |
| 4 | Copyright (c) 1998 - 2003 Frodo Looijaard <frodol@dds.nl>, |
| 5 | Philip Edelbrock <phil@netroedge.com>, |
| 6 | and Mark Studebaker <mdsxyz123@yahoo.com> |
| 7 | Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org> |
| 8 | |
| 9 | This program is free software; you can redistribute it and/or modify |
| 10 | it under the terms of the GNU General Public License as published by |
| 11 | the Free Software Foundation; either version 2 of the License, or |
| 12 | (at your option) any later version. |
| 13 | |
| 14 | This program is distributed in the hope that it will be useful, |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU General Public License for more details. |
| 18 | |
| 19 | You should have received a copy of the GNU General Public License |
| 20 | along with this program; if not, write to the Free Software |
| 21 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | Supports following chips: |
| 26 | |
| 27 | Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA |
| 28 | w83627hf 9 3 2 3 0x20 0x5ca3 no yes(LPC) |
| 29 | w83627thf 7 3 3 3 0x90 0x5ca3 no yes(LPC) |
| 30 | w83637hf 7 3 3 3 0x80 0x5ca3 no yes(LPC) |
| 31 | w83697hf 8 2 2 2 0x60 0x5ca3 no yes(LPC) |
| 32 | |
| 33 | For other winbond chips, and for i2c support in the above chips, |
| 34 | use w83781d.c. |
| 35 | |
| 36 | Note: automatic ("cruise") fan control for 697, 637 & 627thf not |
| 37 | supported yet. |
| 38 | */ |
| 39 | |
| 40 | #include <linux/module.h> |
| 41 | #include <linux/init.h> |
| 42 | #include <linux/slab.h> |
| 43 | #include <linux/jiffies.h> |
| 44 | #include <linux/i2c.h> |
| 45 | #include <linux/i2c-sensor.h> |
| 46 | #include <linux/i2c-vid.h> |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame^] | 47 | #include <linux/hwmon.h> |
| 48 | #include <linux/err.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | #include <asm/io.h> |
| 50 | #include "lm75.h" |
| 51 | |
| 52 | static u16 force_addr; |
| 53 | module_param(force_addr, ushort, 0); |
| 54 | MODULE_PARM_DESC(force_addr, |
| 55 | "Initialize the base address of the sensors"); |
| 56 | static u8 force_i2c = 0x1f; |
| 57 | module_param(force_i2c, byte, 0); |
| 58 | MODULE_PARM_DESC(force_i2c, |
| 59 | "Initialize the i2c address of the sensors"); |
| 60 | |
| 61 | /* Addresses to scan */ |
| 62 | static unsigned short normal_i2c[] = { I2C_CLIENT_END }; |
| 63 | static unsigned int normal_isa[] = { 0, I2C_CLIENT_ISA_END }; |
| 64 | |
| 65 | /* Insmod parameters */ |
| 66 | SENSORS_INSMOD_4(w83627hf, w83627thf, w83697hf, w83637hf); |
| 67 | |
| 68 | static int init = 1; |
| 69 | module_param(init, bool, 0); |
| 70 | MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization"); |
| 71 | |
| 72 | /* modified from kernel/include/traps.c */ |
| 73 | static int REG; /* The register to read/write */ |
| 74 | #define DEV 0x07 /* Register: Logical device select */ |
| 75 | static int VAL; /* The value to read/write */ |
| 76 | |
| 77 | /* logical device numbers for superio_select (below) */ |
| 78 | #define W83627HF_LD_FDC 0x00 |
| 79 | #define W83627HF_LD_PRT 0x01 |
| 80 | #define W83627HF_LD_UART1 0x02 |
| 81 | #define W83627HF_LD_UART2 0x03 |
| 82 | #define W83627HF_LD_KBC 0x05 |
| 83 | #define W83627HF_LD_CIR 0x06 /* w83627hf only */ |
| 84 | #define W83627HF_LD_GAME 0x07 |
| 85 | #define W83627HF_LD_MIDI 0x07 |
| 86 | #define W83627HF_LD_GPIO1 0x07 |
| 87 | #define W83627HF_LD_GPIO5 0x07 /* w83627thf only */ |
| 88 | #define W83627HF_LD_GPIO2 0x08 |
| 89 | #define W83627HF_LD_GPIO3 0x09 |
| 90 | #define W83627HF_LD_GPIO4 0x09 /* w83627thf only */ |
| 91 | #define W83627HF_LD_ACPI 0x0a |
| 92 | #define W83627HF_LD_HWM 0x0b |
| 93 | |
| 94 | #define DEVID 0x20 /* Register: Device ID */ |
| 95 | |
| 96 | #define W83627THF_GPIO5_EN 0x30 /* w83627thf only */ |
| 97 | #define W83627THF_GPIO5_IOSR 0xf3 /* w83627thf only */ |
| 98 | #define W83627THF_GPIO5_DR 0xf4 /* w83627thf only */ |
| 99 | |
| 100 | static inline void |
| 101 | superio_outb(int reg, int val) |
| 102 | { |
| 103 | outb(reg, REG); |
| 104 | outb(val, VAL); |
| 105 | } |
| 106 | |
| 107 | static inline int |
| 108 | superio_inb(int reg) |
| 109 | { |
| 110 | outb(reg, REG); |
| 111 | return inb(VAL); |
| 112 | } |
| 113 | |
| 114 | static inline void |
| 115 | superio_select(int ld) |
| 116 | { |
| 117 | outb(DEV, REG); |
| 118 | outb(ld, VAL); |
| 119 | } |
| 120 | |
| 121 | static inline void |
| 122 | superio_enter(void) |
| 123 | { |
| 124 | outb(0x87, REG); |
| 125 | outb(0x87, REG); |
| 126 | } |
| 127 | |
| 128 | static inline void |
| 129 | superio_exit(void) |
| 130 | { |
| 131 | outb(0xAA, REG); |
| 132 | } |
| 133 | |
| 134 | #define W627_DEVID 0x52 |
| 135 | #define W627THF_DEVID 0x82 |
| 136 | #define W697_DEVID 0x60 |
| 137 | #define W637_DEVID 0x70 |
| 138 | #define WINB_ACT_REG 0x30 |
| 139 | #define WINB_BASE_REG 0x60 |
| 140 | /* Constants specified below */ |
| 141 | |
| 142 | /* Length of ISA address segment */ |
| 143 | #define WINB_EXTENT 8 |
| 144 | |
| 145 | /* Where are the ISA address/data registers relative to the base address */ |
| 146 | #define W83781D_ADDR_REG_OFFSET 5 |
| 147 | #define W83781D_DATA_REG_OFFSET 6 |
| 148 | |
| 149 | /* The W83781D registers */ |
| 150 | /* The W83782D registers for nr=7,8 are in bank 5 */ |
| 151 | #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ |
| 152 | (0x554 + (((nr) - 7) * 2))) |
| 153 | #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ |
| 154 | (0x555 + (((nr) - 7) * 2))) |
| 155 | #define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ |
| 156 | (0x550 + (nr) - 7)) |
| 157 | |
| 158 | #define W83781D_REG_FAN_MIN(nr) (0x3a + (nr)) |
| 159 | #define W83781D_REG_FAN(nr) (0x27 + (nr)) |
| 160 | |
| 161 | #define W83781D_REG_TEMP2_CONFIG 0x152 |
| 162 | #define W83781D_REG_TEMP3_CONFIG 0x252 |
| 163 | #define W83781D_REG_TEMP(nr) ((nr == 3) ? (0x0250) : \ |
| 164 | ((nr == 2) ? (0x0150) : \ |
| 165 | (0x27))) |
| 166 | #define W83781D_REG_TEMP_HYST(nr) ((nr == 3) ? (0x253) : \ |
| 167 | ((nr == 2) ? (0x153) : \ |
| 168 | (0x3A))) |
| 169 | #define W83781D_REG_TEMP_OVER(nr) ((nr == 3) ? (0x255) : \ |
| 170 | ((nr == 2) ? (0x155) : \ |
| 171 | (0x39))) |
| 172 | |
| 173 | #define W83781D_REG_BANK 0x4E |
| 174 | |
| 175 | #define W83781D_REG_CONFIG 0x40 |
| 176 | #define W83781D_REG_ALARM1 0x41 |
| 177 | #define W83781D_REG_ALARM2 0x42 |
| 178 | #define W83781D_REG_ALARM3 0x450 |
| 179 | |
| 180 | #define W83781D_REG_IRQ 0x4C |
| 181 | #define W83781D_REG_BEEP_CONFIG 0x4D |
| 182 | #define W83781D_REG_BEEP_INTS1 0x56 |
| 183 | #define W83781D_REG_BEEP_INTS2 0x57 |
| 184 | #define W83781D_REG_BEEP_INTS3 0x453 |
| 185 | |
| 186 | #define W83781D_REG_VID_FANDIV 0x47 |
| 187 | |
| 188 | #define W83781D_REG_CHIPID 0x49 |
| 189 | #define W83781D_REG_WCHIPID 0x58 |
| 190 | #define W83781D_REG_CHIPMAN 0x4F |
| 191 | #define W83781D_REG_PIN 0x4B |
| 192 | |
| 193 | #define W83781D_REG_VBAT 0x5D |
| 194 | |
| 195 | #define W83627HF_REG_PWM1 0x5A |
| 196 | #define W83627HF_REG_PWM2 0x5B |
| 197 | #define W83627HF_REG_PWMCLK12 0x5C |
| 198 | |
| 199 | #define W83627THF_REG_PWM1 0x01 /* 697HF and 637HF too */ |
| 200 | #define W83627THF_REG_PWM2 0x03 /* 697HF and 637HF too */ |
| 201 | #define W83627THF_REG_PWM3 0x11 /* 637HF too */ |
| 202 | |
| 203 | #define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF too */ |
| 204 | |
| 205 | static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 }; |
| 206 | static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2, |
| 207 | W83627THF_REG_PWM3 }; |
| 208 | #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \ |
| 209 | regpwm_627hf[(nr) - 1] : regpwm[(nr) - 1]) |
| 210 | |
| 211 | #define W83781D_REG_I2C_ADDR 0x48 |
| 212 | #define W83781D_REG_I2C_SUBADDR 0x4A |
| 213 | |
| 214 | /* Sensor selection */ |
| 215 | #define W83781D_REG_SCFG1 0x5D |
| 216 | static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 }; |
| 217 | #define W83781D_REG_SCFG2 0x59 |
| 218 | static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 }; |
| 219 | #define W83781D_DEFAULT_BETA 3435 |
| 220 | |
| 221 | /* Conversions. Limit checking is only done on the TO_REG |
| 222 | variants. Note that you should be a bit careful with which arguments |
| 223 | these macros are called: arguments may be evaluated more than once. |
| 224 | Fixing this is just not worth it. */ |
| 225 | #define IN_TO_REG(val) (SENSORS_LIMIT((((val) + 8)/16),0,255)) |
| 226 | #define IN_FROM_REG(val) ((val) * 16) |
| 227 | |
| 228 | static inline u8 FAN_TO_REG(long rpm, int div) |
| 229 | { |
| 230 | if (rpm == 0) |
| 231 | return 255; |
| 232 | rpm = SENSORS_LIMIT(rpm, 1, 1000000); |
| 233 | return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, |
| 234 | 254); |
| 235 | } |
| 236 | |
| 237 | #define TEMP_MIN (-128000) |
| 238 | #define TEMP_MAX ( 127000) |
| 239 | |
| 240 | /* TEMP: 0.001C/bit (-128C to +127C) |
| 241 | REG: 1C/bit, two's complement */ |
| 242 | static u8 TEMP_TO_REG(int temp) |
| 243 | { |
| 244 | int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX); |
| 245 | ntemp += (ntemp<0 ? -500 : 500); |
| 246 | return (u8)(ntemp / 1000); |
| 247 | } |
| 248 | |
| 249 | static int TEMP_FROM_REG(u8 reg) |
| 250 | { |
| 251 | return (s8)reg * 1000; |
| 252 | } |
| 253 | |
| 254 | #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div))) |
| 255 | |
| 256 | #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255)) |
| 257 | |
| 258 | #define BEEP_MASK_FROM_REG(val) (val) |
| 259 | #define BEEP_MASK_TO_REG(val) ((val) & 0xffffff) |
| 260 | #define BEEP_ENABLE_TO_REG(val) ((val)?1:0) |
| 261 | #define BEEP_ENABLE_FROM_REG(val) ((val)?1:0) |
| 262 | |
| 263 | #define DIV_FROM_REG(val) (1 << (val)) |
| 264 | |
| 265 | static inline u8 DIV_TO_REG(long val) |
| 266 | { |
| 267 | int i; |
| 268 | val = SENSORS_LIMIT(val, 1, 128) >> 1; |
Grant Coady | abc0192 | 2005-05-12 13:41:51 +1000 | [diff] [blame] | 269 | for (i = 0; i < 7; i++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 270 | if (val == 0) |
| 271 | break; |
| 272 | val >>= 1; |
| 273 | } |
| 274 | return ((u8) i); |
| 275 | } |
| 276 | |
| 277 | /* For each registered chip, we need to keep some data in memory. That |
| 278 | data is pointed to by w83627hf_list[NR]->data. The structure itself is |
| 279 | dynamically allocated, at the same time when a new client is allocated. */ |
| 280 | struct w83627hf_data { |
| 281 | struct i2c_client client; |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame^] | 282 | struct class_device *class_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | struct semaphore lock; |
| 284 | enum chips type; |
| 285 | |
| 286 | struct semaphore update_lock; |
| 287 | char valid; /* !=0 if following fields are valid */ |
| 288 | unsigned long last_updated; /* In jiffies */ |
| 289 | |
| 290 | struct i2c_client *lm75; /* for secondary I2C addresses */ |
| 291 | /* pointer to array of 2 subclients */ |
| 292 | |
| 293 | u8 in[9]; /* Register value */ |
| 294 | u8 in_max[9]; /* Register value */ |
| 295 | u8 in_min[9]; /* Register value */ |
| 296 | u8 fan[3]; /* Register value */ |
| 297 | u8 fan_min[3]; /* Register value */ |
| 298 | u8 temp; |
| 299 | u8 temp_max; /* Register value */ |
| 300 | u8 temp_max_hyst; /* Register value */ |
| 301 | u16 temp_add[2]; /* Register value */ |
| 302 | u16 temp_max_add[2]; /* Register value */ |
| 303 | u16 temp_max_hyst_add[2]; /* Register value */ |
| 304 | u8 fan_div[3]; /* Register encoding, shifted right */ |
| 305 | u8 vid; /* Register encoding, combined */ |
| 306 | u32 alarms; /* Register encoding, combined */ |
| 307 | u32 beep_mask; /* Register encoding, combined */ |
| 308 | u8 beep_enable; /* Boolean */ |
| 309 | u8 pwm[3]; /* Register value */ |
| 310 | u16 sens[3]; /* 782D/783S only. |
| 311 | 1 = pentium diode; 2 = 3904 diode; |
| 312 | 3000-5000 = thermistor beta. |
| 313 | Default = 3435. |
| 314 | Other Betas unimplemented */ |
| 315 | u8 vrm; |
| 316 | u8 vrm_ovt; /* Register value, 627thf & 637hf only */ |
| 317 | }; |
| 318 | |
| 319 | |
| 320 | static int w83627hf_attach_adapter(struct i2c_adapter *adapter); |
| 321 | static int w83627hf_detect(struct i2c_adapter *adapter, int address, |
| 322 | int kind); |
| 323 | static int w83627hf_detach_client(struct i2c_client *client); |
| 324 | |
| 325 | static int w83627hf_read_value(struct i2c_client *client, u16 register); |
| 326 | static int w83627hf_write_value(struct i2c_client *client, u16 register, |
| 327 | u16 value); |
| 328 | static struct w83627hf_data *w83627hf_update_device(struct device *dev); |
| 329 | static void w83627hf_init_client(struct i2c_client *client); |
| 330 | |
| 331 | static struct i2c_driver w83627hf_driver = { |
| 332 | .owner = THIS_MODULE, |
| 333 | .name = "w83627hf", |
| 334 | .id = I2C_DRIVERID_W83627HF, |
| 335 | .flags = I2C_DF_NOTIFY, |
| 336 | .attach_adapter = w83627hf_attach_adapter, |
| 337 | .detach_client = w83627hf_detach_client, |
| 338 | }; |
| 339 | |
| 340 | /* following are the sysfs callback functions */ |
| 341 | #define show_in_reg(reg) \ |
| 342 | static ssize_t show_##reg (struct device *dev, char *buf, int nr) \ |
| 343 | { \ |
| 344 | struct w83627hf_data *data = w83627hf_update_device(dev); \ |
| 345 | return sprintf(buf,"%ld\n", (long)IN_FROM_REG(data->reg[nr])); \ |
| 346 | } |
| 347 | show_in_reg(in) |
| 348 | show_in_reg(in_min) |
| 349 | show_in_reg(in_max) |
| 350 | |
| 351 | #define store_in_reg(REG, reg) \ |
| 352 | static ssize_t \ |
| 353 | store_in_##reg (struct device *dev, const char *buf, size_t count, int nr) \ |
| 354 | { \ |
| 355 | struct i2c_client *client = to_i2c_client(dev); \ |
| 356 | struct w83627hf_data *data = i2c_get_clientdata(client); \ |
| 357 | u32 val; \ |
| 358 | \ |
| 359 | val = simple_strtoul(buf, NULL, 10); \ |
| 360 | \ |
| 361 | down(&data->update_lock); \ |
| 362 | data->in_##reg[nr] = IN_TO_REG(val); \ |
| 363 | w83627hf_write_value(client, W83781D_REG_IN_##REG(nr), \ |
| 364 | data->in_##reg[nr]); \ |
| 365 | \ |
| 366 | up(&data->update_lock); \ |
| 367 | return count; \ |
| 368 | } |
| 369 | store_in_reg(MIN, min) |
| 370 | store_in_reg(MAX, max) |
| 371 | |
| 372 | #define sysfs_in_offset(offset) \ |
| 373 | static ssize_t \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 374 | show_regs_in_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | { \ |
| 376 | return show_in(dev, buf, offset); \ |
| 377 | } \ |
| 378 | static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_regs_in_##offset, NULL); |
| 379 | |
| 380 | #define sysfs_in_reg_offset(reg, offset) \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 381 | static ssize_t show_regs_in_##reg##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 382 | { \ |
| 383 | return show_in_##reg (dev, buf, offset); \ |
| 384 | } \ |
| 385 | static ssize_t \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 386 | store_regs_in_##reg##offset (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 387 | const char *buf, size_t count) \ |
| 388 | { \ |
| 389 | return store_in_##reg (dev, buf, count, offset); \ |
| 390 | } \ |
| 391 | static DEVICE_ATTR(in##offset##_##reg, S_IRUGO| S_IWUSR, \ |
| 392 | show_regs_in_##reg##offset, store_regs_in_##reg##offset); |
| 393 | |
| 394 | #define sysfs_in_offsets(offset) \ |
| 395 | sysfs_in_offset(offset) \ |
| 396 | sysfs_in_reg_offset(min, offset) \ |
| 397 | sysfs_in_reg_offset(max, offset) |
| 398 | |
| 399 | sysfs_in_offsets(1); |
| 400 | sysfs_in_offsets(2); |
| 401 | sysfs_in_offsets(3); |
| 402 | sysfs_in_offsets(4); |
| 403 | sysfs_in_offsets(5); |
| 404 | sysfs_in_offsets(6); |
| 405 | sysfs_in_offsets(7); |
| 406 | sysfs_in_offsets(8); |
| 407 | |
| 408 | /* use a different set of functions for in0 */ |
| 409 | static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg) |
| 410 | { |
| 411 | long in0; |
| 412 | |
| 413 | if ((data->vrm_ovt & 0x01) && |
| 414 | (w83627thf == data->type || w83637hf == data->type)) |
| 415 | |
| 416 | /* use VRM9 calculation */ |
| 417 | in0 = (long)((reg * 488 + 70000 + 50) / 100); |
| 418 | else |
| 419 | /* use VRM8 (standard) calculation */ |
| 420 | in0 = (long)IN_FROM_REG(reg); |
| 421 | |
| 422 | return sprintf(buf,"%ld\n", in0); |
| 423 | } |
| 424 | |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 425 | static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 426 | { |
| 427 | struct w83627hf_data *data = w83627hf_update_device(dev); |
| 428 | return show_in_0(data, buf, data->in[0]); |
| 429 | } |
| 430 | |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 431 | static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 432 | { |
| 433 | struct w83627hf_data *data = w83627hf_update_device(dev); |
| 434 | return show_in_0(data, buf, data->in_min[0]); |
| 435 | } |
| 436 | |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 437 | static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 438 | { |
| 439 | struct w83627hf_data *data = w83627hf_update_device(dev); |
| 440 | return show_in_0(data, buf, data->in_max[0]); |
| 441 | } |
| 442 | |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 443 | static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 444 | const char *buf, size_t count) |
| 445 | { |
| 446 | struct i2c_client *client = to_i2c_client(dev); |
| 447 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 448 | u32 val; |
| 449 | |
| 450 | val = simple_strtoul(buf, NULL, 10); |
| 451 | |
| 452 | down(&data->update_lock); |
| 453 | |
| 454 | if ((data->vrm_ovt & 0x01) && |
| 455 | (w83627thf == data->type || w83637hf == data->type)) |
| 456 | |
| 457 | /* use VRM9 calculation */ |
| 458 | data->in_min[0] = (u8)(((val * 100) - 70000 + 244) / 488); |
| 459 | else |
| 460 | /* use VRM8 (standard) calculation */ |
| 461 | data->in_min[0] = IN_TO_REG(val); |
| 462 | |
| 463 | w83627hf_write_value(client, W83781D_REG_IN_MIN(0), data->in_min[0]); |
| 464 | up(&data->update_lock); |
| 465 | return count; |
| 466 | } |
| 467 | |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 468 | static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 469 | const char *buf, size_t count) |
| 470 | { |
| 471 | struct i2c_client *client = to_i2c_client(dev); |
| 472 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 473 | u32 val; |
| 474 | |
| 475 | val = simple_strtoul(buf, NULL, 10); |
| 476 | |
| 477 | down(&data->update_lock); |
| 478 | |
| 479 | if ((data->vrm_ovt & 0x01) && |
| 480 | (w83627thf == data->type || w83637hf == data->type)) |
| 481 | |
| 482 | /* use VRM9 calculation */ |
| 483 | data->in_max[0] = (u8)(((val * 100) - 70000 + 244) / 488); |
| 484 | else |
| 485 | /* use VRM8 (standard) calculation */ |
| 486 | data->in_max[0] = IN_TO_REG(val); |
| 487 | |
| 488 | w83627hf_write_value(client, W83781D_REG_IN_MAX(0), data->in_max[0]); |
| 489 | up(&data->update_lock); |
| 490 | return count; |
| 491 | } |
| 492 | |
| 493 | static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL); |
| 494 | static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR, |
| 495 | show_regs_in_min0, store_regs_in_min0); |
| 496 | static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR, |
| 497 | show_regs_in_max0, store_regs_in_max0); |
| 498 | |
| 499 | #define device_create_file_in(client, offset) \ |
| 500 | do { \ |
| 501 | device_create_file(&client->dev, &dev_attr_in##offset##_input); \ |
| 502 | device_create_file(&client->dev, &dev_attr_in##offset##_min); \ |
| 503 | device_create_file(&client->dev, &dev_attr_in##offset##_max); \ |
| 504 | } while (0) |
| 505 | |
| 506 | #define show_fan_reg(reg) \ |
| 507 | static ssize_t show_##reg (struct device *dev, char *buf, int nr) \ |
| 508 | { \ |
| 509 | struct w83627hf_data *data = w83627hf_update_device(dev); \ |
| 510 | return sprintf(buf,"%ld\n", \ |
| 511 | FAN_FROM_REG(data->reg[nr-1], \ |
| 512 | (long)DIV_FROM_REG(data->fan_div[nr-1]))); \ |
| 513 | } |
| 514 | show_fan_reg(fan); |
| 515 | show_fan_reg(fan_min); |
| 516 | |
| 517 | static ssize_t |
| 518 | store_fan_min(struct device *dev, const char *buf, size_t count, int nr) |
| 519 | { |
| 520 | struct i2c_client *client = to_i2c_client(dev); |
| 521 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 522 | u32 val; |
| 523 | |
| 524 | val = simple_strtoul(buf, NULL, 10); |
| 525 | |
| 526 | down(&data->update_lock); |
| 527 | data->fan_min[nr - 1] = |
| 528 | FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr - 1])); |
| 529 | w83627hf_write_value(client, W83781D_REG_FAN_MIN(nr), |
| 530 | data->fan_min[nr - 1]); |
| 531 | |
| 532 | up(&data->update_lock); |
| 533 | return count; |
| 534 | } |
| 535 | |
| 536 | #define sysfs_fan_offset(offset) \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 537 | static ssize_t show_regs_fan_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 538 | { \ |
| 539 | return show_fan(dev, buf, offset); \ |
| 540 | } \ |
| 541 | static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_regs_fan_##offset, NULL); |
| 542 | |
| 543 | #define sysfs_fan_min_offset(offset) \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 544 | static ssize_t show_regs_fan_min##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 545 | { \ |
| 546 | return show_fan_min(dev, buf, offset); \ |
| 547 | } \ |
| 548 | static ssize_t \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 549 | store_regs_fan_min##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 550 | { \ |
| 551 | return store_fan_min(dev, buf, count, offset); \ |
| 552 | } \ |
| 553 | static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ |
| 554 | show_regs_fan_min##offset, store_regs_fan_min##offset); |
| 555 | |
| 556 | sysfs_fan_offset(1); |
| 557 | sysfs_fan_min_offset(1); |
| 558 | sysfs_fan_offset(2); |
| 559 | sysfs_fan_min_offset(2); |
| 560 | sysfs_fan_offset(3); |
| 561 | sysfs_fan_min_offset(3); |
| 562 | |
| 563 | #define device_create_file_fan(client, offset) \ |
| 564 | do { \ |
| 565 | device_create_file(&client->dev, &dev_attr_fan##offset##_input); \ |
| 566 | device_create_file(&client->dev, &dev_attr_fan##offset##_min); \ |
| 567 | } while (0) |
| 568 | |
| 569 | #define show_temp_reg(reg) \ |
| 570 | static ssize_t show_##reg (struct device *dev, char *buf, int nr) \ |
| 571 | { \ |
| 572 | struct w83627hf_data *data = w83627hf_update_device(dev); \ |
| 573 | if (nr >= 2) { /* TEMP2 and TEMP3 */ \ |
| 574 | return sprintf(buf,"%ld\n", \ |
| 575 | (long)LM75_TEMP_FROM_REG(data->reg##_add[nr-2])); \ |
| 576 | } else { /* TEMP1 */ \ |
| 577 | return sprintf(buf,"%ld\n", (long)TEMP_FROM_REG(data->reg)); \ |
| 578 | } \ |
| 579 | } |
| 580 | show_temp_reg(temp); |
| 581 | show_temp_reg(temp_max); |
| 582 | show_temp_reg(temp_max_hyst); |
| 583 | |
| 584 | #define store_temp_reg(REG, reg) \ |
| 585 | static ssize_t \ |
| 586 | store_temp_##reg (struct device *dev, const char *buf, size_t count, int nr) \ |
| 587 | { \ |
| 588 | struct i2c_client *client = to_i2c_client(dev); \ |
| 589 | struct w83627hf_data *data = i2c_get_clientdata(client); \ |
| 590 | u32 val; \ |
| 591 | \ |
| 592 | val = simple_strtoul(buf, NULL, 10); \ |
| 593 | \ |
| 594 | down(&data->update_lock); \ |
| 595 | \ |
| 596 | if (nr >= 2) { /* TEMP2 and TEMP3 */ \ |
| 597 | data->temp_##reg##_add[nr-2] = LM75_TEMP_TO_REG(val); \ |
| 598 | w83627hf_write_value(client, W83781D_REG_TEMP_##REG(nr), \ |
| 599 | data->temp_##reg##_add[nr-2]); \ |
| 600 | } else { /* TEMP1 */ \ |
| 601 | data->temp_##reg = TEMP_TO_REG(val); \ |
| 602 | w83627hf_write_value(client, W83781D_REG_TEMP_##REG(nr), \ |
| 603 | data->temp_##reg); \ |
| 604 | } \ |
| 605 | \ |
| 606 | up(&data->update_lock); \ |
| 607 | return count; \ |
| 608 | } |
| 609 | store_temp_reg(OVER, max); |
| 610 | store_temp_reg(HYST, max_hyst); |
| 611 | |
| 612 | #define sysfs_temp_offset(offset) \ |
| 613 | static ssize_t \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 614 | show_regs_temp_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 615 | { \ |
| 616 | return show_temp(dev, buf, offset); \ |
| 617 | } \ |
| 618 | static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_regs_temp_##offset, NULL); |
| 619 | |
| 620 | #define sysfs_temp_reg_offset(reg, offset) \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 621 | static ssize_t show_regs_temp_##reg##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 622 | { \ |
| 623 | return show_temp_##reg (dev, buf, offset); \ |
| 624 | } \ |
| 625 | static ssize_t \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 626 | store_regs_temp_##reg##offset (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 627 | const char *buf, size_t count) \ |
| 628 | { \ |
| 629 | return store_temp_##reg (dev, buf, count, offset); \ |
| 630 | } \ |
| 631 | static DEVICE_ATTR(temp##offset##_##reg, S_IRUGO| S_IWUSR, \ |
| 632 | show_regs_temp_##reg##offset, store_regs_temp_##reg##offset); |
| 633 | |
| 634 | #define sysfs_temp_offsets(offset) \ |
| 635 | sysfs_temp_offset(offset) \ |
| 636 | sysfs_temp_reg_offset(max, offset) \ |
| 637 | sysfs_temp_reg_offset(max_hyst, offset) |
| 638 | |
| 639 | sysfs_temp_offsets(1); |
| 640 | sysfs_temp_offsets(2); |
| 641 | sysfs_temp_offsets(3); |
| 642 | |
| 643 | #define device_create_file_temp(client, offset) \ |
| 644 | do { \ |
| 645 | device_create_file(&client->dev, &dev_attr_temp##offset##_input); \ |
| 646 | device_create_file(&client->dev, &dev_attr_temp##offset##_max); \ |
| 647 | device_create_file(&client->dev, &dev_attr_temp##offset##_max_hyst); \ |
| 648 | } while (0) |
| 649 | |
| 650 | static ssize_t |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 651 | show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 652 | { |
| 653 | struct w83627hf_data *data = w83627hf_update_device(dev); |
| 654 | return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm)); |
| 655 | } |
| 656 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); |
| 657 | #define device_create_file_vid(client) \ |
| 658 | device_create_file(&client->dev, &dev_attr_cpu0_vid) |
| 659 | |
| 660 | static ssize_t |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 661 | show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 662 | { |
| 663 | struct w83627hf_data *data = w83627hf_update_device(dev); |
| 664 | return sprintf(buf, "%ld\n", (long) data->vrm); |
| 665 | } |
| 666 | static ssize_t |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 667 | store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 668 | { |
| 669 | struct i2c_client *client = to_i2c_client(dev); |
| 670 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 671 | u32 val; |
| 672 | |
| 673 | val = simple_strtoul(buf, NULL, 10); |
| 674 | data->vrm = val; |
| 675 | |
| 676 | return count; |
| 677 | } |
| 678 | static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); |
| 679 | #define device_create_file_vrm(client) \ |
| 680 | device_create_file(&client->dev, &dev_attr_vrm) |
| 681 | |
| 682 | static ssize_t |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 683 | show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 684 | { |
| 685 | struct w83627hf_data *data = w83627hf_update_device(dev); |
| 686 | return sprintf(buf, "%ld\n", (long) data->alarms); |
| 687 | } |
| 688 | static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); |
| 689 | #define device_create_file_alarms(client) \ |
| 690 | device_create_file(&client->dev, &dev_attr_alarms) |
| 691 | |
| 692 | #define show_beep_reg(REG, reg) \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 693 | static ssize_t show_beep_##reg (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 694 | { \ |
| 695 | struct w83627hf_data *data = w83627hf_update_device(dev); \ |
| 696 | return sprintf(buf,"%ld\n", \ |
| 697 | (long)BEEP_##REG##_FROM_REG(data->beep_##reg)); \ |
| 698 | } |
| 699 | show_beep_reg(ENABLE, enable) |
| 700 | show_beep_reg(MASK, mask) |
| 701 | |
| 702 | #define BEEP_ENABLE 0 /* Store beep_enable */ |
| 703 | #define BEEP_MASK 1 /* Store beep_mask */ |
| 704 | |
| 705 | static ssize_t |
| 706 | store_beep_reg(struct device *dev, const char *buf, size_t count, |
| 707 | int update_mask) |
| 708 | { |
| 709 | struct i2c_client *client = to_i2c_client(dev); |
| 710 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 711 | u32 val, val2; |
| 712 | |
| 713 | val = simple_strtoul(buf, NULL, 10); |
| 714 | |
| 715 | down(&data->update_lock); |
| 716 | |
| 717 | if (update_mask == BEEP_MASK) { /* We are storing beep_mask */ |
| 718 | data->beep_mask = BEEP_MASK_TO_REG(val); |
| 719 | w83627hf_write_value(client, W83781D_REG_BEEP_INTS1, |
| 720 | data->beep_mask & 0xff); |
| 721 | w83627hf_write_value(client, W83781D_REG_BEEP_INTS3, |
| 722 | ((data->beep_mask) >> 16) & 0xff); |
| 723 | val2 = (data->beep_mask >> 8) & 0x7f; |
| 724 | } else { /* We are storing beep_enable */ |
| 725 | val2 = |
| 726 | w83627hf_read_value(client, W83781D_REG_BEEP_INTS2) & 0x7f; |
| 727 | data->beep_enable = BEEP_ENABLE_TO_REG(val); |
| 728 | } |
| 729 | |
| 730 | w83627hf_write_value(client, W83781D_REG_BEEP_INTS2, |
| 731 | val2 | data->beep_enable << 7); |
| 732 | |
| 733 | up(&data->update_lock); |
| 734 | return count; |
| 735 | } |
| 736 | |
| 737 | #define sysfs_beep(REG, reg) \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 738 | static ssize_t show_regs_beep_##reg (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 739 | { \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 740 | return show_beep_##reg(dev, attr, buf); \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 741 | } \ |
| 742 | static ssize_t \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 743 | store_regs_beep_##reg (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 744 | { \ |
| 745 | return store_beep_reg(dev, buf, count, BEEP_##REG); \ |
| 746 | } \ |
| 747 | static DEVICE_ATTR(beep_##reg, S_IRUGO | S_IWUSR, \ |
| 748 | show_regs_beep_##reg, store_regs_beep_##reg); |
| 749 | |
| 750 | sysfs_beep(ENABLE, enable); |
| 751 | sysfs_beep(MASK, mask); |
| 752 | |
| 753 | #define device_create_file_beep(client) \ |
| 754 | do { \ |
| 755 | device_create_file(&client->dev, &dev_attr_beep_enable); \ |
| 756 | device_create_file(&client->dev, &dev_attr_beep_mask); \ |
| 757 | } while (0) |
| 758 | |
| 759 | static ssize_t |
| 760 | show_fan_div_reg(struct device *dev, char *buf, int nr) |
| 761 | { |
| 762 | struct w83627hf_data *data = w83627hf_update_device(dev); |
| 763 | return sprintf(buf, "%ld\n", |
| 764 | (long) DIV_FROM_REG(data->fan_div[nr - 1])); |
| 765 | } |
| 766 | |
| 767 | /* Note: we save and restore the fan minimum here, because its value is |
| 768 | determined in part by the fan divisor. This follows the principle of |
| 769 | least suprise; the user doesn't expect the fan minimum to change just |
| 770 | because the divisor changed. */ |
| 771 | static ssize_t |
| 772 | store_fan_div_reg(struct device *dev, const char *buf, size_t count, int nr) |
| 773 | { |
| 774 | struct i2c_client *client = to_i2c_client(dev); |
| 775 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 776 | unsigned long min; |
| 777 | u8 reg; |
| 778 | unsigned long val = simple_strtoul(buf, NULL, 10); |
| 779 | |
| 780 | down(&data->update_lock); |
| 781 | |
| 782 | /* Save fan_min */ |
| 783 | min = FAN_FROM_REG(data->fan_min[nr], |
| 784 | DIV_FROM_REG(data->fan_div[nr])); |
| 785 | |
| 786 | data->fan_div[nr] = DIV_TO_REG(val); |
| 787 | |
| 788 | reg = (w83627hf_read_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV) |
| 789 | & (nr==0 ? 0xcf : 0x3f)) |
| 790 | | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6)); |
| 791 | w83627hf_write_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg); |
| 792 | |
| 793 | reg = (w83627hf_read_value(client, W83781D_REG_VBAT) |
| 794 | & ~(1 << (5 + nr))) |
| 795 | | ((data->fan_div[nr] & 0x04) << (3 + nr)); |
| 796 | w83627hf_write_value(client, W83781D_REG_VBAT, reg); |
| 797 | |
| 798 | /* Restore fan_min */ |
| 799 | data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); |
| 800 | w83627hf_write_value(client, W83781D_REG_FAN_MIN(nr+1), data->fan_min[nr]); |
| 801 | |
| 802 | up(&data->update_lock); |
| 803 | return count; |
| 804 | } |
| 805 | |
| 806 | #define sysfs_fan_div(offset) \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 807 | static ssize_t show_regs_fan_div_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 808 | { \ |
| 809 | return show_fan_div_reg(dev, buf, offset); \ |
| 810 | } \ |
| 811 | static ssize_t \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 812 | store_regs_fan_div_##offset (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 813 | const char *buf, size_t count) \ |
| 814 | { \ |
| 815 | return store_fan_div_reg(dev, buf, count, offset - 1); \ |
| 816 | } \ |
| 817 | static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ |
| 818 | show_regs_fan_div_##offset, store_regs_fan_div_##offset); |
| 819 | |
| 820 | sysfs_fan_div(1); |
| 821 | sysfs_fan_div(2); |
| 822 | sysfs_fan_div(3); |
| 823 | |
| 824 | #define device_create_file_fan_div(client, offset) \ |
| 825 | do { \ |
| 826 | device_create_file(&client->dev, &dev_attr_fan##offset##_div); \ |
| 827 | } while (0) |
| 828 | |
| 829 | static ssize_t |
| 830 | show_pwm_reg(struct device *dev, char *buf, int nr) |
| 831 | { |
| 832 | struct w83627hf_data *data = w83627hf_update_device(dev); |
| 833 | return sprintf(buf, "%ld\n", (long) data->pwm[nr - 1]); |
| 834 | } |
| 835 | |
| 836 | static ssize_t |
| 837 | store_pwm_reg(struct device *dev, const char *buf, size_t count, int nr) |
| 838 | { |
| 839 | struct i2c_client *client = to_i2c_client(dev); |
| 840 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 841 | u32 val; |
| 842 | |
| 843 | val = simple_strtoul(buf, NULL, 10); |
| 844 | |
| 845 | down(&data->update_lock); |
| 846 | |
| 847 | if (data->type == w83627thf) { |
| 848 | /* bits 0-3 are reserved in 627THF */ |
| 849 | data->pwm[nr - 1] = PWM_TO_REG(val) & 0xf0; |
| 850 | w83627hf_write_value(client, |
| 851 | W836X7HF_REG_PWM(data->type, nr), |
| 852 | data->pwm[nr - 1] | |
| 853 | (w83627hf_read_value(client, |
| 854 | W836X7HF_REG_PWM(data->type, nr)) & 0x0f)); |
| 855 | } else { |
| 856 | data->pwm[nr - 1] = PWM_TO_REG(val); |
| 857 | w83627hf_write_value(client, |
| 858 | W836X7HF_REG_PWM(data->type, nr), |
| 859 | data->pwm[nr - 1]); |
| 860 | } |
| 861 | |
| 862 | up(&data->update_lock); |
| 863 | return count; |
| 864 | } |
| 865 | |
| 866 | #define sysfs_pwm(offset) \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 867 | static ssize_t show_regs_pwm_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 868 | { \ |
| 869 | return show_pwm_reg(dev, buf, offset); \ |
| 870 | } \ |
| 871 | static ssize_t \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 872 | store_regs_pwm_##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 873 | { \ |
| 874 | return store_pwm_reg(dev, buf, count, offset); \ |
| 875 | } \ |
| 876 | static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ |
| 877 | show_regs_pwm_##offset, store_regs_pwm_##offset); |
| 878 | |
| 879 | sysfs_pwm(1); |
| 880 | sysfs_pwm(2); |
| 881 | sysfs_pwm(3); |
| 882 | |
| 883 | #define device_create_file_pwm(client, offset) \ |
| 884 | do { \ |
| 885 | device_create_file(&client->dev, &dev_attr_pwm##offset); \ |
| 886 | } while (0) |
| 887 | |
| 888 | static ssize_t |
| 889 | show_sensor_reg(struct device *dev, char *buf, int nr) |
| 890 | { |
| 891 | struct w83627hf_data *data = w83627hf_update_device(dev); |
| 892 | return sprintf(buf, "%ld\n", (long) data->sens[nr - 1]); |
| 893 | } |
| 894 | |
| 895 | static ssize_t |
| 896 | store_sensor_reg(struct device *dev, const char *buf, size_t count, int nr) |
| 897 | { |
| 898 | struct i2c_client *client = to_i2c_client(dev); |
| 899 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 900 | u32 val, tmp; |
| 901 | |
| 902 | val = simple_strtoul(buf, NULL, 10); |
| 903 | |
| 904 | down(&data->update_lock); |
| 905 | |
| 906 | switch (val) { |
| 907 | case 1: /* PII/Celeron diode */ |
| 908 | tmp = w83627hf_read_value(client, W83781D_REG_SCFG1); |
| 909 | w83627hf_write_value(client, W83781D_REG_SCFG1, |
| 910 | tmp | BIT_SCFG1[nr - 1]); |
| 911 | tmp = w83627hf_read_value(client, W83781D_REG_SCFG2); |
| 912 | w83627hf_write_value(client, W83781D_REG_SCFG2, |
| 913 | tmp | BIT_SCFG2[nr - 1]); |
| 914 | data->sens[nr - 1] = val; |
| 915 | break; |
| 916 | case 2: /* 3904 */ |
| 917 | tmp = w83627hf_read_value(client, W83781D_REG_SCFG1); |
| 918 | w83627hf_write_value(client, W83781D_REG_SCFG1, |
| 919 | tmp | BIT_SCFG1[nr - 1]); |
| 920 | tmp = w83627hf_read_value(client, W83781D_REG_SCFG2); |
| 921 | w83627hf_write_value(client, W83781D_REG_SCFG2, |
| 922 | tmp & ~BIT_SCFG2[nr - 1]); |
| 923 | data->sens[nr - 1] = val; |
| 924 | break; |
| 925 | case W83781D_DEFAULT_BETA: /* thermistor */ |
| 926 | tmp = w83627hf_read_value(client, W83781D_REG_SCFG1); |
| 927 | w83627hf_write_value(client, W83781D_REG_SCFG1, |
| 928 | tmp & ~BIT_SCFG1[nr - 1]); |
| 929 | data->sens[nr - 1] = val; |
| 930 | break; |
| 931 | default: |
| 932 | dev_err(&client->dev, |
| 933 | "Invalid sensor type %ld; must be 1, 2, or %d\n", |
| 934 | (long) val, W83781D_DEFAULT_BETA); |
| 935 | break; |
| 936 | } |
| 937 | |
| 938 | up(&data->update_lock); |
| 939 | return count; |
| 940 | } |
| 941 | |
| 942 | #define sysfs_sensor(offset) \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 943 | static ssize_t show_regs_sensor_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 944 | { \ |
| 945 | return show_sensor_reg(dev, buf, offset); \ |
| 946 | } \ |
| 947 | static ssize_t \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 948 | store_regs_sensor_##offset (struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 949 | { \ |
| 950 | return store_sensor_reg(dev, buf, count, offset); \ |
| 951 | } \ |
| 952 | static DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \ |
| 953 | show_regs_sensor_##offset, store_regs_sensor_##offset); |
| 954 | |
| 955 | sysfs_sensor(1); |
| 956 | sysfs_sensor(2); |
| 957 | sysfs_sensor(3); |
| 958 | |
| 959 | #define device_create_file_sensor(client, offset) \ |
| 960 | do { \ |
| 961 | device_create_file(&client->dev, &dev_attr_temp##offset##_type); \ |
| 962 | } while (0) |
| 963 | |
| 964 | |
| 965 | /* This function is called when: |
| 966 | * w83627hf_driver is inserted (when this module is loaded), for each |
| 967 | available adapter |
| 968 | * when a new adapter is inserted (and w83627hf_driver is still present) */ |
| 969 | static int w83627hf_attach_adapter(struct i2c_adapter *adapter) |
| 970 | { |
| 971 | return i2c_detect(adapter, &addr_data, w83627hf_detect); |
| 972 | } |
| 973 | |
| 974 | static int w83627hf_find(int sioaddr, int *address) |
| 975 | { |
| 976 | u16 val; |
| 977 | |
| 978 | REG = sioaddr; |
| 979 | VAL = sioaddr + 1; |
| 980 | |
| 981 | superio_enter(); |
| 982 | val= superio_inb(DEVID); |
| 983 | if(val != W627_DEVID && |
| 984 | val != W627THF_DEVID && |
| 985 | val != W697_DEVID && |
| 986 | val != W637_DEVID) { |
| 987 | superio_exit(); |
| 988 | return -ENODEV; |
| 989 | } |
| 990 | |
| 991 | superio_select(W83627HF_LD_HWM); |
| 992 | val = (superio_inb(WINB_BASE_REG) << 8) | |
| 993 | superio_inb(WINB_BASE_REG + 1); |
| 994 | *address = val & ~(WINB_EXTENT - 1); |
| 995 | if (*address == 0 && force_addr == 0) { |
| 996 | superio_exit(); |
| 997 | return -ENODEV; |
| 998 | } |
| 999 | if (force_addr) |
| 1000 | *address = force_addr; /* so detect will get called */ |
| 1001 | |
| 1002 | superio_exit(); |
| 1003 | return 0; |
| 1004 | } |
| 1005 | |
| 1006 | int w83627hf_detect(struct i2c_adapter *adapter, int address, |
| 1007 | int kind) |
| 1008 | { |
| 1009 | int val; |
| 1010 | struct i2c_client *new_client; |
| 1011 | struct w83627hf_data *data; |
| 1012 | int err = 0; |
| 1013 | const char *client_name = ""; |
| 1014 | |
| 1015 | if (!i2c_is_isa_adapter(adapter)) { |
| 1016 | err = -ENODEV; |
| 1017 | goto ERROR0; |
| 1018 | } |
| 1019 | |
| 1020 | if(force_addr) |
| 1021 | address = force_addr & ~(WINB_EXTENT - 1); |
| 1022 | |
| 1023 | if (!request_region(address, WINB_EXTENT, w83627hf_driver.name)) { |
| 1024 | err = -EBUSY; |
| 1025 | goto ERROR0; |
| 1026 | } |
| 1027 | |
| 1028 | if(force_addr) { |
| 1029 | printk("w83627hf.o: forcing ISA address 0x%04X\n", address); |
| 1030 | superio_enter(); |
| 1031 | superio_select(W83627HF_LD_HWM); |
| 1032 | superio_outb(WINB_BASE_REG, address >> 8); |
| 1033 | superio_outb(WINB_BASE_REG+1, address & 0xff); |
| 1034 | superio_exit(); |
| 1035 | } |
| 1036 | |
| 1037 | superio_enter(); |
| 1038 | val= superio_inb(DEVID); |
| 1039 | if(val == W627_DEVID) |
| 1040 | kind = w83627hf; |
| 1041 | else if(val == W697_DEVID) |
| 1042 | kind = w83697hf; |
| 1043 | else if(val == W627THF_DEVID) |
| 1044 | kind = w83627thf; |
| 1045 | else if(val == W637_DEVID) |
| 1046 | kind = w83637hf; |
| 1047 | else { |
| 1048 | dev_info(&adapter->dev, |
| 1049 | "Unsupported chip (dev_id=0x%02X).\n", val); |
| 1050 | goto ERROR1; |
| 1051 | } |
| 1052 | |
| 1053 | superio_select(W83627HF_LD_HWM); |
| 1054 | if((val = 0x01 & superio_inb(WINB_ACT_REG)) == 0) |
| 1055 | superio_outb(WINB_ACT_REG, 1); |
| 1056 | superio_exit(); |
| 1057 | |
| 1058 | /* OK. For now, we presume we have a valid client. We now create the |
| 1059 | client structure, even though we cannot fill it completely yet. |
| 1060 | But it allows us to access w83627hf_{read,write}_value. */ |
| 1061 | |
| 1062 | if (!(data = kmalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) { |
| 1063 | err = -ENOMEM; |
| 1064 | goto ERROR1; |
| 1065 | } |
| 1066 | memset(data, 0, sizeof(struct w83627hf_data)); |
| 1067 | |
| 1068 | new_client = &data->client; |
| 1069 | i2c_set_clientdata(new_client, data); |
| 1070 | new_client->addr = address; |
| 1071 | init_MUTEX(&data->lock); |
| 1072 | new_client->adapter = adapter; |
| 1073 | new_client->driver = &w83627hf_driver; |
| 1074 | new_client->flags = 0; |
| 1075 | |
| 1076 | |
| 1077 | if (kind == w83627hf) { |
| 1078 | client_name = "w83627hf"; |
| 1079 | } else if (kind == w83627thf) { |
| 1080 | client_name = "w83627thf"; |
| 1081 | } else if (kind == w83697hf) { |
| 1082 | client_name = "w83697hf"; |
| 1083 | } else if (kind == w83637hf) { |
| 1084 | client_name = "w83637hf"; |
| 1085 | } |
| 1086 | |
| 1087 | /* Fill in the remaining client fields and put into the global list */ |
| 1088 | strlcpy(new_client->name, client_name, I2C_NAME_SIZE); |
| 1089 | data->type = kind; |
| 1090 | data->valid = 0; |
| 1091 | init_MUTEX(&data->update_lock); |
| 1092 | |
| 1093 | /* Tell the I2C layer a new client has arrived */ |
| 1094 | if ((err = i2c_attach_client(new_client))) |
| 1095 | goto ERROR2; |
| 1096 | |
| 1097 | data->lm75 = NULL; |
| 1098 | |
| 1099 | /* Initialize the chip */ |
| 1100 | w83627hf_init_client(new_client); |
| 1101 | |
| 1102 | /* A few vars need to be filled upon startup */ |
| 1103 | data->fan_min[0] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(1)); |
| 1104 | data->fan_min[1] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(2)); |
| 1105 | data->fan_min[2] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(3)); |
| 1106 | |
| 1107 | /* Register sysfs hooks */ |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame^] | 1108 | data->class_dev = hwmon_device_register(&new_client->dev); |
| 1109 | if (IS_ERR(data->class_dev)) { |
| 1110 | err = PTR_ERR(data->class_dev); |
| 1111 | goto ERROR3; |
| 1112 | } |
| 1113 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1114 | device_create_file_in(new_client, 0); |
| 1115 | if (kind != w83697hf) |
| 1116 | device_create_file_in(new_client, 1); |
| 1117 | device_create_file_in(new_client, 2); |
| 1118 | device_create_file_in(new_client, 3); |
| 1119 | device_create_file_in(new_client, 4); |
| 1120 | if (kind != w83627thf && kind != w83637hf) { |
| 1121 | device_create_file_in(new_client, 5); |
| 1122 | device_create_file_in(new_client, 6); |
| 1123 | } |
| 1124 | device_create_file_in(new_client, 7); |
| 1125 | device_create_file_in(new_client, 8); |
| 1126 | |
| 1127 | device_create_file_fan(new_client, 1); |
| 1128 | device_create_file_fan(new_client, 2); |
| 1129 | if (kind != w83697hf) |
| 1130 | device_create_file_fan(new_client, 3); |
| 1131 | |
| 1132 | device_create_file_temp(new_client, 1); |
| 1133 | device_create_file_temp(new_client, 2); |
| 1134 | if (kind != w83697hf) |
| 1135 | device_create_file_temp(new_client, 3); |
| 1136 | |
| 1137 | if (kind != w83697hf) |
| 1138 | device_create_file_vid(new_client); |
| 1139 | |
| 1140 | if (kind != w83697hf) |
| 1141 | device_create_file_vrm(new_client); |
| 1142 | |
| 1143 | device_create_file_fan_div(new_client, 1); |
| 1144 | device_create_file_fan_div(new_client, 2); |
| 1145 | if (kind != w83697hf) |
| 1146 | device_create_file_fan_div(new_client, 3); |
| 1147 | |
| 1148 | device_create_file_alarms(new_client); |
| 1149 | |
| 1150 | device_create_file_beep(new_client); |
| 1151 | |
| 1152 | device_create_file_pwm(new_client, 1); |
| 1153 | device_create_file_pwm(new_client, 2); |
| 1154 | if (kind == w83627thf || kind == w83637hf) |
| 1155 | device_create_file_pwm(new_client, 3); |
| 1156 | |
| 1157 | device_create_file_sensor(new_client, 1); |
| 1158 | device_create_file_sensor(new_client, 2); |
| 1159 | if (kind != w83697hf) |
| 1160 | device_create_file_sensor(new_client, 3); |
| 1161 | |
| 1162 | return 0; |
| 1163 | |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame^] | 1164 | ERROR3: |
| 1165 | i2c_detach_client(new_client); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1166 | ERROR2: |
| 1167 | kfree(data); |
| 1168 | ERROR1: |
| 1169 | release_region(address, WINB_EXTENT); |
| 1170 | ERROR0: |
| 1171 | return err; |
| 1172 | } |
| 1173 | |
| 1174 | static int w83627hf_detach_client(struct i2c_client *client) |
| 1175 | { |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame^] | 1176 | struct w83627hf_data *data = i2c_get_clientdata(client); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1177 | int err; |
| 1178 | |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame^] | 1179 | hwmon_device_unregister(data->class_dev); |
| 1180 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1181 | if ((err = i2c_detach_client(client))) { |
| 1182 | dev_err(&client->dev, |
| 1183 | "Client deregistration failed, client not detached.\n"); |
| 1184 | return err; |
| 1185 | } |
| 1186 | |
| 1187 | release_region(client->addr, WINB_EXTENT); |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame^] | 1188 | kfree(data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1189 | |
| 1190 | return 0; |
| 1191 | } |
| 1192 | |
| 1193 | |
| 1194 | /* |
| 1195 | ISA access must always be locked explicitly! |
| 1196 | We ignore the W83781D BUSY flag at this moment - it could lead to deadlocks, |
| 1197 | would slow down the W83781D access and should not be necessary. |
| 1198 | There are some ugly typecasts here, but the good news is - they should |
| 1199 | nowhere else be necessary! */ |
| 1200 | static int w83627hf_read_value(struct i2c_client *client, u16 reg) |
| 1201 | { |
| 1202 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 1203 | int res, word_sized; |
| 1204 | |
| 1205 | down(&data->lock); |
| 1206 | word_sized = (((reg & 0xff00) == 0x100) |
| 1207 | || ((reg & 0xff00) == 0x200)) |
| 1208 | && (((reg & 0x00ff) == 0x50) |
| 1209 | || ((reg & 0x00ff) == 0x53) |
| 1210 | || ((reg & 0x00ff) == 0x55)); |
| 1211 | if (reg & 0xff00) { |
| 1212 | outb_p(W83781D_REG_BANK, |
| 1213 | client->addr + W83781D_ADDR_REG_OFFSET); |
| 1214 | outb_p(reg >> 8, |
| 1215 | client->addr + W83781D_DATA_REG_OFFSET); |
| 1216 | } |
| 1217 | outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET); |
| 1218 | res = inb_p(client->addr + W83781D_DATA_REG_OFFSET); |
| 1219 | if (word_sized) { |
| 1220 | outb_p((reg & 0xff) + 1, |
| 1221 | client->addr + W83781D_ADDR_REG_OFFSET); |
| 1222 | res = |
| 1223 | (res << 8) + inb_p(client->addr + |
| 1224 | W83781D_DATA_REG_OFFSET); |
| 1225 | } |
| 1226 | if (reg & 0xff00) { |
| 1227 | outb_p(W83781D_REG_BANK, |
| 1228 | client->addr + W83781D_ADDR_REG_OFFSET); |
| 1229 | outb_p(0, client->addr + W83781D_DATA_REG_OFFSET); |
| 1230 | } |
| 1231 | up(&data->lock); |
| 1232 | return res; |
| 1233 | } |
| 1234 | |
| 1235 | static int w83627thf_read_gpio5(struct i2c_client *client) |
| 1236 | { |
| 1237 | int res = 0xff, sel; |
| 1238 | |
| 1239 | superio_enter(); |
| 1240 | superio_select(W83627HF_LD_GPIO5); |
| 1241 | |
| 1242 | /* Make sure these GPIO pins are enabled */ |
| 1243 | if (!(superio_inb(W83627THF_GPIO5_EN) & (1<<3))) { |
| 1244 | dev_dbg(&client->dev, "GPIO5 disabled, no VID function\n"); |
| 1245 | goto exit; |
| 1246 | } |
| 1247 | |
| 1248 | /* Make sure the pins are configured for input |
| 1249 | There must be at least five (VRM 9), and possibly 6 (VRM 10) */ |
| 1250 | sel = superio_inb(W83627THF_GPIO5_IOSR); |
| 1251 | if ((sel & 0x1f) != 0x1f) { |
| 1252 | dev_dbg(&client->dev, "GPIO5 not configured for VID " |
| 1253 | "function\n"); |
| 1254 | goto exit; |
| 1255 | } |
| 1256 | |
| 1257 | dev_info(&client->dev, "Reading VID from GPIO5\n"); |
| 1258 | res = superio_inb(W83627THF_GPIO5_DR) & sel; |
| 1259 | |
| 1260 | exit: |
| 1261 | superio_exit(); |
| 1262 | return res; |
| 1263 | } |
| 1264 | |
| 1265 | static int w83627hf_write_value(struct i2c_client *client, u16 reg, u16 value) |
| 1266 | { |
| 1267 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 1268 | int word_sized; |
| 1269 | |
| 1270 | down(&data->lock); |
| 1271 | word_sized = (((reg & 0xff00) == 0x100) |
| 1272 | || ((reg & 0xff00) == 0x200)) |
| 1273 | && (((reg & 0x00ff) == 0x53) |
| 1274 | || ((reg & 0x00ff) == 0x55)); |
| 1275 | if (reg & 0xff00) { |
| 1276 | outb_p(W83781D_REG_BANK, |
| 1277 | client->addr + W83781D_ADDR_REG_OFFSET); |
| 1278 | outb_p(reg >> 8, |
| 1279 | client->addr + W83781D_DATA_REG_OFFSET); |
| 1280 | } |
| 1281 | outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET); |
| 1282 | if (word_sized) { |
| 1283 | outb_p(value >> 8, |
| 1284 | client->addr + W83781D_DATA_REG_OFFSET); |
| 1285 | outb_p((reg & 0xff) + 1, |
| 1286 | client->addr + W83781D_ADDR_REG_OFFSET); |
| 1287 | } |
| 1288 | outb_p(value & 0xff, |
| 1289 | client->addr + W83781D_DATA_REG_OFFSET); |
| 1290 | if (reg & 0xff00) { |
| 1291 | outb_p(W83781D_REG_BANK, |
| 1292 | client->addr + W83781D_ADDR_REG_OFFSET); |
| 1293 | outb_p(0, client->addr + W83781D_DATA_REG_OFFSET); |
| 1294 | } |
| 1295 | up(&data->lock); |
| 1296 | return 0; |
| 1297 | } |
| 1298 | |
| 1299 | /* Called when we have found a new W83781D. It should set limits, etc. */ |
| 1300 | static void w83627hf_init_client(struct i2c_client *client) |
| 1301 | { |
| 1302 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 1303 | int i; |
| 1304 | int type = data->type; |
| 1305 | u8 tmp; |
| 1306 | |
| 1307 | if(init) { |
| 1308 | /* save this register */ |
| 1309 | i = w83627hf_read_value(client, W83781D_REG_BEEP_CONFIG); |
| 1310 | /* Reset all except Watchdog values and last conversion values |
| 1311 | This sets fan-divs to 2, among others */ |
| 1312 | w83627hf_write_value(client, W83781D_REG_CONFIG, 0x80); |
| 1313 | /* Restore the register and disable power-on abnormal beep. |
| 1314 | This saves FAN 1/2/3 input/output values set by BIOS. */ |
| 1315 | w83627hf_write_value(client, W83781D_REG_BEEP_CONFIG, i | 0x80); |
| 1316 | /* Disable master beep-enable (reset turns it on). |
| 1317 | Individual beeps should be reset to off but for some reason |
| 1318 | disabling this bit helps some people not get beeped */ |
| 1319 | w83627hf_write_value(client, W83781D_REG_BEEP_INTS2, 0); |
| 1320 | } |
| 1321 | |
| 1322 | /* Minimize conflicts with other winbond i2c-only clients... */ |
| 1323 | /* disable i2c subclients... how to disable main i2c client?? */ |
| 1324 | /* force i2c address to relatively uncommon address */ |
| 1325 | w83627hf_write_value(client, W83781D_REG_I2C_SUBADDR, 0x89); |
| 1326 | w83627hf_write_value(client, W83781D_REG_I2C_ADDR, force_i2c); |
| 1327 | |
| 1328 | /* Read VID only once */ |
| 1329 | if (w83627hf == data->type || w83637hf == data->type) { |
| 1330 | int lo = w83627hf_read_value(client, W83781D_REG_VID_FANDIV); |
| 1331 | int hi = w83627hf_read_value(client, W83781D_REG_CHIPID); |
| 1332 | data->vid = (lo & 0x0f) | ((hi & 0x01) << 4); |
| 1333 | } else if (w83627thf == data->type) { |
| 1334 | data->vid = w83627thf_read_gpio5(client) & 0x3f; |
| 1335 | } |
| 1336 | |
| 1337 | /* Read VRM & OVT Config only once */ |
| 1338 | if (w83627thf == data->type || w83637hf == data->type) { |
| 1339 | data->vrm_ovt = |
| 1340 | w83627hf_read_value(client, W83627THF_REG_VRM_OVT_CFG); |
| 1341 | data->vrm = (data->vrm_ovt & 0x01) ? 90 : 82; |
| 1342 | } else { |
| 1343 | /* Convert VID to voltage based on default VRM */ |
| 1344 | data->vrm = i2c_which_vrm(); |
| 1345 | } |
| 1346 | |
| 1347 | tmp = w83627hf_read_value(client, W83781D_REG_SCFG1); |
| 1348 | for (i = 1; i <= 3; i++) { |
| 1349 | if (!(tmp & BIT_SCFG1[i - 1])) { |
| 1350 | data->sens[i - 1] = W83781D_DEFAULT_BETA; |
| 1351 | } else { |
| 1352 | if (w83627hf_read_value |
| 1353 | (client, |
| 1354 | W83781D_REG_SCFG2) & BIT_SCFG2[i - 1]) |
| 1355 | data->sens[i - 1] = 1; |
| 1356 | else |
| 1357 | data->sens[i - 1] = 2; |
| 1358 | } |
| 1359 | if ((type == w83697hf) && (i == 2)) |
| 1360 | break; |
| 1361 | } |
| 1362 | |
| 1363 | if(init) { |
| 1364 | /* Enable temp2 */ |
| 1365 | tmp = w83627hf_read_value(client, W83781D_REG_TEMP2_CONFIG); |
| 1366 | if (tmp & 0x01) { |
| 1367 | dev_warn(&client->dev, "Enabling temp2, readings " |
| 1368 | "might not make sense\n"); |
| 1369 | w83627hf_write_value(client, W83781D_REG_TEMP2_CONFIG, |
| 1370 | tmp & 0xfe); |
| 1371 | } |
| 1372 | |
| 1373 | /* Enable temp3 */ |
| 1374 | if (type != w83697hf) { |
| 1375 | tmp = w83627hf_read_value(client, |
| 1376 | W83781D_REG_TEMP3_CONFIG); |
| 1377 | if (tmp & 0x01) { |
| 1378 | dev_warn(&client->dev, "Enabling temp3, " |
| 1379 | "readings might not make sense\n"); |
| 1380 | w83627hf_write_value(client, |
| 1381 | W83781D_REG_TEMP3_CONFIG, tmp & 0xfe); |
| 1382 | } |
| 1383 | } |
| 1384 | |
| 1385 | if (type == w83627hf) { |
| 1386 | /* enable PWM2 control (can't hurt since PWM reg |
| 1387 | should have been reset to 0xff) */ |
| 1388 | w83627hf_write_value(client, W83627HF_REG_PWMCLK12, |
| 1389 | 0x19); |
| 1390 | } |
| 1391 | /* enable comparator mode for temp2 and temp3 so |
| 1392 | alarm indication will work correctly */ |
| 1393 | i = w83627hf_read_value(client, W83781D_REG_IRQ); |
| 1394 | if (!(i & 0x40)) |
| 1395 | w83627hf_write_value(client, W83781D_REG_IRQ, |
| 1396 | i | 0x40); |
| 1397 | } |
| 1398 | |
| 1399 | /* Start monitoring */ |
| 1400 | w83627hf_write_value(client, W83781D_REG_CONFIG, |
| 1401 | (w83627hf_read_value(client, |
| 1402 | W83781D_REG_CONFIG) & 0xf7) |
| 1403 | | 0x01); |
| 1404 | } |
| 1405 | |
| 1406 | static struct w83627hf_data *w83627hf_update_device(struct device *dev) |
| 1407 | { |
| 1408 | struct i2c_client *client = to_i2c_client(dev); |
| 1409 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 1410 | int i; |
| 1411 | |
| 1412 | down(&data->update_lock); |
| 1413 | |
| 1414 | if (time_after(jiffies, data->last_updated + HZ + HZ / 2) |
| 1415 | || !data->valid) { |
| 1416 | for (i = 0; i <= 8; i++) { |
| 1417 | /* skip missing sensors */ |
| 1418 | if (((data->type == w83697hf) && (i == 1)) || |
| 1419 | ((data->type == w83627thf || data->type == w83637hf) |
| 1420 | && (i == 4 || i == 5))) |
| 1421 | continue; |
| 1422 | data->in[i] = |
| 1423 | w83627hf_read_value(client, W83781D_REG_IN(i)); |
| 1424 | data->in_min[i] = |
| 1425 | w83627hf_read_value(client, |
| 1426 | W83781D_REG_IN_MIN(i)); |
| 1427 | data->in_max[i] = |
| 1428 | w83627hf_read_value(client, |
| 1429 | W83781D_REG_IN_MAX(i)); |
| 1430 | } |
| 1431 | for (i = 1; i <= 3; i++) { |
| 1432 | data->fan[i - 1] = |
| 1433 | w83627hf_read_value(client, W83781D_REG_FAN(i)); |
| 1434 | data->fan_min[i - 1] = |
| 1435 | w83627hf_read_value(client, |
| 1436 | W83781D_REG_FAN_MIN(i)); |
| 1437 | } |
| 1438 | for (i = 1; i <= 3; i++) { |
| 1439 | u8 tmp = w83627hf_read_value(client, |
| 1440 | W836X7HF_REG_PWM(data->type, i)); |
| 1441 | /* bits 0-3 are reserved in 627THF */ |
| 1442 | if (data->type == w83627thf) |
| 1443 | tmp &= 0xf0; |
| 1444 | data->pwm[i - 1] = tmp; |
| 1445 | if(i == 2 && |
| 1446 | (data->type == w83627hf || data->type == w83697hf)) |
| 1447 | break; |
| 1448 | } |
| 1449 | |
| 1450 | data->temp = w83627hf_read_value(client, W83781D_REG_TEMP(1)); |
| 1451 | data->temp_max = |
| 1452 | w83627hf_read_value(client, W83781D_REG_TEMP_OVER(1)); |
| 1453 | data->temp_max_hyst = |
| 1454 | w83627hf_read_value(client, W83781D_REG_TEMP_HYST(1)); |
| 1455 | data->temp_add[0] = |
| 1456 | w83627hf_read_value(client, W83781D_REG_TEMP(2)); |
| 1457 | data->temp_max_add[0] = |
| 1458 | w83627hf_read_value(client, W83781D_REG_TEMP_OVER(2)); |
| 1459 | data->temp_max_hyst_add[0] = |
| 1460 | w83627hf_read_value(client, W83781D_REG_TEMP_HYST(2)); |
| 1461 | if (data->type != w83697hf) { |
| 1462 | data->temp_add[1] = |
| 1463 | w83627hf_read_value(client, W83781D_REG_TEMP(3)); |
| 1464 | data->temp_max_add[1] = |
| 1465 | w83627hf_read_value(client, W83781D_REG_TEMP_OVER(3)); |
| 1466 | data->temp_max_hyst_add[1] = |
| 1467 | w83627hf_read_value(client, W83781D_REG_TEMP_HYST(3)); |
| 1468 | } |
| 1469 | |
| 1470 | i = w83627hf_read_value(client, W83781D_REG_VID_FANDIV); |
| 1471 | data->fan_div[0] = (i >> 4) & 0x03; |
| 1472 | data->fan_div[1] = (i >> 6) & 0x03; |
| 1473 | if (data->type != w83697hf) { |
| 1474 | data->fan_div[2] = (w83627hf_read_value(client, |
| 1475 | W83781D_REG_PIN) >> 6) & 0x03; |
| 1476 | } |
| 1477 | i = w83627hf_read_value(client, W83781D_REG_VBAT); |
| 1478 | data->fan_div[0] |= (i >> 3) & 0x04; |
| 1479 | data->fan_div[1] |= (i >> 4) & 0x04; |
| 1480 | if (data->type != w83697hf) |
| 1481 | data->fan_div[2] |= (i >> 5) & 0x04; |
| 1482 | data->alarms = |
| 1483 | w83627hf_read_value(client, W83781D_REG_ALARM1) | |
| 1484 | (w83627hf_read_value(client, W83781D_REG_ALARM2) << 8) | |
| 1485 | (w83627hf_read_value(client, W83781D_REG_ALARM3) << 16); |
| 1486 | i = w83627hf_read_value(client, W83781D_REG_BEEP_INTS2); |
| 1487 | data->beep_enable = i >> 7; |
| 1488 | data->beep_mask = ((i & 0x7f) << 8) | |
| 1489 | w83627hf_read_value(client, W83781D_REG_BEEP_INTS1) | |
| 1490 | w83627hf_read_value(client, W83781D_REG_BEEP_INTS3) << 16; |
| 1491 | data->last_updated = jiffies; |
| 1492 | data->valid = 1; |
| 1493 | } |
| 1494 | |
| 1495 | up(&data->update_lock); |
| 1496 | |
| 1497 | return data; |
| 1498 | } |
| 1499 | |
| 1500 | static int __init sensors_w83627hf_init(void) |
| 1501 | { |
| 1502 | int addr; |
| 1503 | |
| 1504 | if (w83627hf_find(0x2e, &addr) |
| 1505 | && w83627hf_find(0x4e, &addr)) { |
| 1506 | return -ENODEV; |
| 1507 | } |
| 1508 | normal_isa[0] = addr; |
| 1509 | |
| 1510 | return i2c_add_driver(&w83627hf_driver); |
| 1511 | } |
| 1512 | |
| 1513 | static void __exit sensors_w83627hf_exit(void) |
| 1514 | { |
| 1515 | i2c_del_driver(&w83627hf_driver); |
| 1516 | } |
| 1517 | |
| 1518 | MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, " |
| 1519 | "Philip Edelbrock <phil@netroedge.com>, " |
| 1520 | "and Mark Studebaker <mdsxyz123@yahoo.com>"); |
| 1521 | MODULE_DESCRIPTION("W83627HF driver"); |
| 1522 | MODULE_LICENSE("GPL"); |
| 1523 | |
| 1524 | module_init(sensors_w83627hf_init); |
| 1525 | module_exit(sensors_w83627hf_exit); |