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> |
Jean Delvare | fde0950 | 2005-07-19 23:51:07 +0200 | [diff] [blame] | 45 | #include <linux/i2c-isa.h> |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 46 | #include <linux/hwmon.h> |
Jean Delvare | 303760b | 2005-07-31 21:52:01 +0200 | [diff] [blame] | 47 | #include <linux/hwmon-vid.h> |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 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 | |
Jean Delvare | 2d8672c | 2005-07-19 23:56:35 +0200 | [diff] [blame] | 61 | /* The actual ISA address is read from Super-I/O configuration space */ |
| 62 | static unsigned short address; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | |
| 64 | /* Insmod parameters */ |
Jean Delvare | 2d8672c | 2005-07-19 23:56:35 +0200 | [diff] [blame] | 65 | enum chips { any_chip, w83627hf, w83627thf, w83697hf, w83637hf }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | |
Jean Delvare | 2251cf1 | 2005-09-04 22:52:17 +0200 | [diff] [blame] | 67 | static int reset; |
| 68 | module_param(reset, bool, 0); |
| 69 | MODULE_PARM_DESC(reset, "Set to one to reset chip on load"); |
| 70 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | static int init = 1; |
| 72 | module_param(init, bool, 0); |
| 73 | MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization"); |
| 74 | |
| 75 | /* modified from kernel/include/traps.c */ |
| 76 | static int REG; /* The register to read/write */ |
| 77 | #define DEV 0x07 /* Register: Logical device select */ |
| 78 | static int VAL; /* The value to read/write */ |
| 79 | |
| 80 | /* logical device numbers for superio_select (below) */ |
| 81 | #define W83627HF_LD_FDC 0x00 |
| 82 | #define W83627HF_LD_PRT 0x01 |
| 83 | #define W83627HF_LD_UART1 0x02 |
| 84 | #define W83627HF_LD_UART2 0x03 |
| 85 | #define W83627HF_LD_KBC 0x05 |
| 86 | #define W83627HF_LD_CIR 0x06 /* w83627hf only */ |
| 87 | #define W83627HF_LD_GAME 0x07 |
| 88 | #define W83627HF_LD_MIDI 0x07 |
| 89 | #define W83627HF_LD_GPIO1 0x07 |
| 90 | #define W83627HF_LD_GPIO5 0x07 /* w83627thf only */ |
| 91 | #define W83627HF_LD_GPIO2 0x08 |
| 92 | #define W83627HF_LD_GPIO3 0x09 |
| 93 | #define W83627HF_LD_GPIO4 0x09 /* w83627thf only */ |
| 94 | #define W83627HF_LD_ACPI 0x0a |
| 95 | #define W83627HF_LD_HWM 0x0b |
| 96 | |
| 97 | #define DEVID 0x20 /* Register: Device ID */ |
| 98 | |
| 99 | #define W83627THF_GPIO5_EN 0x30 /* w83627thf only */ |
| 100 | #define W83627THF_GPIO5_IOSR 0xf3 /* w83627thf only */ |
| 101 | #define W83627THF_GPIO5_DR 0xf4 /* w83627thf only */ |
| 102 | |
| 103 | static inline void |
| 104 | superio_outb(int reg, int val) |
| 105 | { |
| 106 | outb(reg, REG); |
| 107 | outb(val, VAL); |
| 108 | } |
| 109 | |
| 110 | static inline int |
| 111 | superio_inb(int reg) |
| 112 | { |
| 113 | outb(reg, REG); |
| 114 | return inb(VAL); |
| 115 | } |
| 116 | |
| 117 | static inline void |
| 118 | superio_select(int ld) |
| 119 | { |
| 120 | outb(DEV, REG); |
| 121 | outb(ld, VAL); |
| 122 | } |
| 123 | |
| 124 | static inline void |
| 125 | superio_enter(void) |
| 126 | { |
| 127 | outb(0x87, REG); |
| 128 | outb(0x87, REG); |
| 129 | } |
| 130 | |
| 131 | static inline void |
| 132 | superio_exit(void) |
| 133 | { |
| 134 | outb(0xAA, REG); |
| 135 | } |
| 136 | |
| 137 | #define W627_DEVID 0x52 |
| 138 | #define W627THF_DEVID 0x82 |
| 139 | #define W697_DEVID 0x60 |
| 140 | #define W637_DEVID 0x70 |
| 141 | #define WINB_ACT_REG 0x30 |
| 142 | #define WINB_BASE_REG 0x60 |
| 143 | /* Constants specified below */ |
| 144 | |
Petr Vandrovec | ada0c2f | 2005-10-07 23:11:03 +0200 | [diff] [blame^] | 145 | /* Alignment of the base address */ |
| 146 | #define WINB_ALIGNMENT ~7 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 147 | |
Petr Vandrovec | ada0c2f | 2005-10-07 23:11:03 +0200 | [diff] [blame^] | 148 | /* Offset & size of I/O region we are interested in */ |
| 149 | #define WINB_REGION_OFFSET 5 |
| 150 | #define WINB_REGION_SIZE 2 |
| 151 | |
| 152 | /* Where are the sensors address/data registers relative to the base address */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | #define W83781D_ADDR_REG_OFFSET 5 |
| 154 | #define W83781D_DATA_REG_OFFSET 6 |
| 155 | |
| 156 | /* The W83781D registers */ |
| 157 | /* The W83782D registers for nr=7,8 are in bank 5 */ |
| 158 | #define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \ |
| 159 | (0x554 + (((nr) - 7) * 2))) |
| 160 | #define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \ |
| 161 | (0x555 + (((nr) - 7) * 2))) |
| 162 | #define W83781D_REG_IN(nr) ((nr < 7) ? (0x20 + (nr)) : \ |
| 163 | (0x550 + (nr) - 7)) |
| 164 | |
| 165 | #define W83781D_REG_FAN_MIN(nr) (0x3a + (nr)) |
| 166 | #define W83781D_REG_FAN(nr) (0x27 + (nr)) |
| 167 | |
| 168 | #define W83781D_REG_TEMP2_CONFIG 0x152 |
| 169 | #define W83781D_REG_TEMP3_CONFIG 0x252 |
| 170 | #define W83781D_REG_TEMP(nr) ((nr == 3) ? (0x0250) : \ |
| 171 | ((nr == 2) ? (0x0150) : \ |
| 172 | (0x27))) |
| 173 | #define W83781D_REG_TEMP_HYST(nr) ((nr == 3) ? (0x253) : \ |
| 174 | ((nr == 2) ? (0x153) : \ |
| 175 | (0x3A))) |
| 176 | #define W83781D_REG_TEMP_OVER(nr) ((nr == 3) ? (0x255) : \ |
| 177 | ((nr == 2) ? (0x155) : \ |
| 178 | (0x39))) |
| 179 | |
| 180 | #define W83781D_REG_BANK 0x4E |
| 181 | |
| 182 | #define W83781D_REG_CONFIG 0x40 |
| 183 | #define W83781D_REG_ALARM1 0x41 |
| 184 | #define W83781D_REG_ALARM2 0x42 |
| 185 | #define W83781D_REG_ALARM3 0x450 |
| 186 | |
| 187 | #define W83781D_REG_IRQ 0x4C |
| 188 | #define W83781D_REG_BEEP_CONFIG 0x4D |
| 189 | #define W83781D_REG_BEEP_INTS1 0x56 |
| 190 | #define W83781D_REG_BEEP_INTS2 0x57 |
| 191 | #define W83781D_REG_BEEP_INTS3 0x453 |
| 192 | |
| 193 | #define W83781D_REG_VID_FANDIV 0x47 |
| 194 | |
| 195 | #define W83781D_REG_CHIPID 0x49 |
| 196 | #define W83781D_REG_WCHIPID 0x58 |
| 197 | #define W83781D_REG_CHIPMAN 0x4F |
| 198 | #define W83781D_REG_PIN 0x4B |
| 199 | |
| 200 | #define W83781D_REG_VBAT 0x5D |
| 201 | |
| 202 | #define W83627HF_REG_PWM1 0x5A |
| 203 | #define W83627HF_REG_PWM2 0x5B |
| 204 | #define W83627HF_REG_PWMCLK12 0x5C |
| 205 | |
| 206 | #define W83627THF_REG_PWM1 0x01 /* 697HF and 637HF too */ |
| 207 | #define W83627THF_REG_PWM2 0x03 /* 697HF and 637HF too */ |
| 208 | #define W83627THF_REG_PWM3 0x11 /* 637HF too */ |
| 209 | |
| 210 | #define W83627THF_REG_VRM_OVT_CFG 0x18 /* 637HF too */ |
| 211 | |
| 212 | static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 }; |
| 213 | static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2, |
| 214 | W83627THF_REG_PWM3 }; |
| 215 | #define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \ |
| 216 | regpwm_627hf[(nr) - 1] : regpwm[(nr) - 1]) |
| 217 | |
| 218 | #define W83781D_REG_I2C_ADDR 0x48 |
| 219 | #define W83781D_REG_I2C_SUBADDR 0x4A |
| 220 | |
| 221 | /* Sensor selection */ |
| 222 | #define W83781D_REG_SCFG1 0x5D |
| 223 | static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 }; |
| 224 | #define W83781D_REG_SCFG2 0x59 |
| 225 | static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 }; |
| 226 | #define W83781D_DEFAULT_BETA 3435 |
| 227 | |
| 228 | /* Conversions. Limit checking is only done on the TO_REG |
| 229 | variants. Note that you should be a bit careful with which arguments |
| 230 | these macros are called: arguments may be evaluated more than once. |
| 231 | Fixing this is just not worth it. */ |
| 232 | #define IN_TO_REG(val) (SENSORS_LIMIT((((val) + 8)/16),0,255)) |
| 233 | #define IN_FROM_REG(val) ((val) * 16) |
| 234 | |
| 235 | static inline u8 FAN_TO_REG(long rpm, int div) |
| 236 | { |
| 237 | if (rpm == 0) |
| 238 | return 255; |
| 239 | rpm = SENSORS_LIMIT(rpm, 1, 1000000); |
| 240 | return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, |
| 241 | 254); |
| 242 | } |
| 243 | |
| 244 | #define TEMP_MIN (-128000) |
| 245 | #define TEMP_MAX ( 127000) |
| 246 | |
| 247 | /* TEMP: 0.001C/bit (-128C to +127C) |
| 248 | REG: 1C/bit, two's complement */ |
| 249 | static u8 TEMP_TO_REG(int temp) |
| 250 | { |
| 251 | int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX); |
| 252 | ntemp += (ntemp<0 ? -500 : 500); |
| 253 | return (u8)(ntemp / 1000); |
| 254 | } |
| 255 | |
| 256 | static int TEMP_FROM_REG(u8 reg) |
| 257 | { |
| 258 | return (s8)reg * 1000; |
| 259 | } |
| 260 | |
| 261 | #define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div))) |
| 262 | |
| 263 | #define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255)) |
| 264 | |
| 265 | #define BEEP_MASK_FROM_REG(val) (val) |
| 266 | #define BEEP_MASK_TO_REG(val) ((val) & 0xffffff) |
| 267 | #define BEEP_ENABLE_TO_REG(val) ((val)?1:0) |
| 268 | #define BEEP_ENABLE_FROM_REG(val) ((val)?1:0) |
| 269 | |
| 270 | #define DIV_FROM_REG(val) (1 << (val)) |
| 271 | |
| 272 | static inline u8 DIV_TO_REG(long val) |
| 273 | { |
| 274 | int i; |
| 275 | val = SENSORS_LIMIT(val, 1, 128) >> 1; |
Grant Coady | abc0192 | 2005-05-12 13:41:51 +1000 | [diff] [blame] | 276 | for (i = 0; i < 7; i++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 277 | if (val == 0) |
| 278 | break; |
| 279 | val >>= 1; |
| 280 | } |
| 281 | return ((u8) i); |
| 282 | } |
| 283 | |
| 284 | /* For each registered chip, we need to keep some data in memory. That |
| 285 | data is pointed to by w83627hf_list[NR]->data. The structure itself is |
| 286 | dynamically allocated, at the same time when a new client is allocated. */ |
| 287 | struct w83627hf_data { |
| 288 | struct i2c_client client; |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 289 | struct class_device *class_dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | struct semaphore lock; |
| 291 | enum chips type; |
| 292 | |
| 293 | struct semaphore update_lock; |
| 294 | char valid; /* !=0 if following fields are valid */ |
| 295 | unsigned long last_updated; /* In jiffies */ |
| 296 | |
| 297 | struct i2c_client *lm75; /* for secondary I2C addresses */ |
| 298 | /* pointer to array of 2 subclients */ |
| 299 | |
| 300 | u8 in[9]; /* Register value */ |
| 301 | u8 in_max[9]; /* Register value */ |
| 302 | u8 in_min[9]; /* Register value */ |
| 303 | u8 fan[3]; /* Register value */ |
| 304 | u8 fan_min[3]; /* Register value */ |
| 305 | u8 temp; |
| 306 | u8 temp_max; /* Register value */ |
| 307 | u8 temp_max_hyst; /* Register value */ |
| 308 | u16 temp_add[2]; /* Register value */ |
| 309 | u16 temp_max_add[2]; /* Register value */ |
| 310 | u16 temp_max_hyst_add[2]; /* Register value */ |
| 311 | u8 fan_div[3]; /* Register encoding, shifted right */ |
| 312 | u8 vid; /* Register encoding, combined */ |
| 313 | u32 alarms; /* Register encoding, combined */ |
| 314 | u32 beep_mask; /* Register encoding, combined */ |
| 315 | u8 beep_enable; /* Boolean */ |
| 316 | u8 pwm[3]; /* Register value */ |
| 317 | u16 sens[3]; /* 782D/783S only. |
| 318 | 1 = pentium diode; 2 = 3904 diode; |
| 319 | 3000-5000 = thermistor beta. |
| 320 | Default = 3435. |
| 321 | Other Betas unimplemented */ |
| 322 | u8 vrm; |
| 323 | u8 vrm_ovt; /* Register value, 627thf & 637hf only */ |
| 324 | }; |
| 325 | |
| 326 | |
Jean Delvare | 2d8672c | 2005-07-19 23:56:35 +0200 | [diff] [blame] | 327 | static int w83627hf_detect(struct i2c_adapter *adapter); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 328 | static int w83627hf_detach_client(struct i2c_client *client); |
| 329 | |
| 330 | static int w83627hf_read_value(struct i2c_client *client, u16 register); |
| 331 | static int w83627hf_write_value(struct i2c_client *client, u16 register, |
| 332 | u16 value); |
| 333 | static struct w83627hf_data *w83627hf_update_device(struct device *dev); |
| 334 | static void w83627hf_init_client(struct i2c_client *client); |
| 335 | |
| 336 | static struct i2c_driver w83627hf_driver = { |
| 337 | .owner = THIS_MODULE, |
| 338 | .name = "w83627hf", |
Jean Delvare | 2d8672c | 2005-07-19 23:56:35 +0200 | [diff] [blame] | 339 | .attach_adapter = w83627hf_detect, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 340 | .detach_client = w83627hf_detach_client, |
| 341 | }; |
| 342 | |
| 343 | /* following are the sysfs callback functions */ |
| 344 | #define show_in_reg(reg) \ |
| 345 | static ssize_t show_##reg (struct device *dev, char *buf, int nr) \ |
| 346 | { \ |
| 347 | struct w83627hf_data *data = w83627hf_update_device(dev); \ |
| 348 | return sprintf(buf,"%ld\n", (long)IN_FROM_REG(data->reg[nr])); \ |
| 349 | } |
| 350 | show_in_reg(in) |
| 351 | show_in_reg(in_min) |
| 352 | show_in_reg(in_max) |
| 353 | |
| 354 | #define store_in_reg(REG, reg) \ |
| 355 | static ssize_t \ |
| 356 | store_in_##reg (struct device *dev, const char *buf, size_t count, int nr) \ |
| 357 | { \ |
| 358 | struct i2c_client *client = to_i2c_client(dev); \ |
| 359 | struct w83627hf_data *data = i2c_get_clientdata(client); \ |
| 360 | u32 val; \ |
| 361 | \ |
| 362 | val = simple_strtoul(buf, NULL, 10); \ |
| 363 | \ |
| 364 | down(&data->update_lock); \ |
| 365 | data->in_##reg[nr] = IN_TO_REG(val); \ |
| 366 | w83627hf_write_value(client, W83781D_REG_IN_##REG(nr), \ |
| 367 | data->in_##reg[nr]); \ |
| 368 | \ |
| 369 | up(&data->update_lock); \ |
| 370 | return count; \ |
| 371 | } |
| 372 | store_in_reg(MIN, min) |
| 373 | store_in_reg(MAX, max) |
| 374 | |
| 375 | #define sysfs_in_offset(offset) \ |
| 376 | static ssize_t \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 377 | 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] | 378 | { \ |
| 379 | return show_in(dev, buf, offset); \ |
| 380 | } \ |
| 381 | static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_regs_in_##offset, NULL); |
| 382 | |
| 383 | #define sysfs_in_reg_offset(reg, offset) \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 384 | 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] | 385 | { \ |
| 386 | return show_in_##reg (dev, buf, offset); \ |
| 387 | } \ |
| 388 | static ssize_t \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 389 | store_regs_in_##reg##offset (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 390 | const char *buf, size_t count) \ |
| 391 | { \ |
| 392 | return store_in_##reg (dev, buf, count, offset); \ |
| 393 | } \ |
| 394 | static DEVICE_ATTR(in##offset##_##reg, S_IRUGO| S_IWUSR, \ |
| 395 | show_regs_in_##reg##offset, store_regs_in_##reg##offset); |
| 396 | |
| 397 | #define sysfs_in_offsets(offset) \ |
| 398 | sysfs_in_offset(offset) \ |
| 399 | sysfs_in_reg_offset(min, offset) \ |
| 400 | sysfs_in_reg_offset(max, offset) |
| 401 | |
| 402 | sysfs_in_offsets(1); |
| 403 | sysfs_in_offsets(2); |
| 404 | sysfs_in_offsets(3); |
| 405 | sysfs_in_offsets(4); |
| 406 | sysfs_in_offsets(5); |
| 407 | sysfs_in_offsets(6); |
| 408 | sysfs_in_offsets(7); |
| 409 | sysfs_in_offsets(8); |
| 410 | |
| 411 | /* use a different set of functions for in0 */ |
| 412 | static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg) |
| 413 | { |
| 414 | long in0; |
| 415 | |
| 416 | if ((data->vrm_ovt & 0x01) && |
| 417 | (w83627thf == data->type || w83637hf == data->type)) |
| 418 | |
| 419 | /* use VRM9 calculation */ |
| 420 | in0 = (long)((reg * 488 + 70000 + 50) / 100); |
| 421 | else |
| 422 | /* use VRM8 (standard) calculation */ |
| 423 | in0 = (long)IN_FROM_REG(reg); |
| 424 | |
| 425 | return sprintf(buf,"%ld\n", in0); |
| 426 | } |
| 427 | |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 428 | 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] | 429 | { |
| 430 | struct w83627hf_data *data = w83627hf_update_device(dev); |
| 431 | return show_in_0(data, buf, data->in[0]); |
| 432 | } |
| 433 | |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 434 | 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] | 435 | { |
| 436 | struct w83627hf_data *data = w83627hf_update_device(dev); |
| 437 | return show_in_0(data, buf, data->in_min[0]); |
| 438 | } |
| 439 | |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 440 | 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] | 441 | { |
| 442 | struct w83627hf_data *data = w83627hf_update_device(dev); |
| 443 | return show_in_0(data, buf, data->in_max[0]); |
| 444 | } |
| 445 | |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 446 | 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] | 447 | const char *buf, size_t count) |
| 448 | { |
| 449 | struct i2c_client *client = to_i2c_client(dev); |
| 450 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 451 | u32 val; |
| 452 | |
| 453 | val = simple_strtoul(buf, NULL, 10); |
| 454 | |
| 455 | down(&data->update_lock); |
| 456 | |
| 457 | if ((data->vrm_ovt & 0x01) && |
| 458 | (w83627thf == data->type || w83637hf == data->type)) |
| 459 | |
| 460 | /* use VRM9 calculation */ |
| 461 | data->in_min[0] = (u8)(((val * 100) - 70000 + 244) / 488); |
| 462 | else |
| 463 | /* use VRM8 (standard) calculation */ |
| 464 | data->in_min[0] = IN_TO_REG(val); |
| 465 | |
| 466 | w83627hf_write_value(client, W83781D_REG_IN_MIN(0), data->in_min[0]); |
| 467 | up(&data->update_lock); |
| 468 | return count; |
| 469 | } |
| 470 | |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 471 | 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] | 472 | const char *buf, size_t count) |
| 473 | { |
| 474 | struct i2c_client *client = to_i2c_client(dev); |
| 475 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 476 | u32 val; |
| 477 | |
| 478 | val = simple_strtoul(buf, NULL, 10); |
| 479 | |
| 480 | down(&data->update_lock); |
| 481 | |
| 482 | if ((data->vrm_ovt & 0x01) && |
| 483 | (w83627thf == data->type || w83637hf == data->type)) |
| 484 | |
| 485 | /* use VRM9 calculation */ |
| 486 | data->in_max[0] = (u8)(((val * 100) - 70000 + 244) / 488); |
| 487 | else |
| 488 | /* use VRM8 (standard) calculation */ |
| 489 | data->in_max[0] = IN_TO_REG(val); |
| 490 | |
| 491 | w83627hf_write_value(client, W83781D_REG_IN_MAX(0), data->in_max[0]); |
| 492 | up(&data->update_lock); |
| 493 | return count; |
| 494 | } |
| 495 | |
| 496 | static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL); |
| 497 | static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR, |
| 498 | show_regs_in_min0, store_regs_in_min0); |
| 499 | static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR, |
| 500 | show_regs_in_max0, store_regs_in_max0); |
| 501 | |
| 502 | #define device_create_file_in(client, offset) \ |
| 503 | do { \ |
| 504 | device_create_file(&client->dev, &dev_attr_in##offset##_input); \ |
| 505 | device_create_file(&client->dev, &dev_attr_in##offset##_min); \ |
| 506 | device_create_file(&client->dev, &dev_attr_in##offset##_max); \ |
| 507 | } while (0) |
| 508 | |
| 509 | #define show_fan_reg(reg) \ |
| 510 | static ssize_t show_##reg (struct device *dev, char *buf, int nr) \ |
| 511 | { \ |
| 512 | struct w83627hf_data *data = w83627hf_update_device(dev); \ |
| 513 | return sprintf(buf,"%ld\n", \ |
| 514 | FAN_FROM_REG(data->reg[nr-1], \ |
| 515 | (long)DIV_FROM_REG(data->fan_div[nr-1]))); \ |
| 516 | } |
| 517 | show_fan_reg(fan); |
| 518 | show_fan_reg(fan_min); |
| 519 | |
| 520 | static ssize_t |
| 521 | store_fan_min(struct device *dev, const char *buf, size_t count, int nr) |
| 522 | { |
| 523 | struct i2c_client *client = to_i2c_client(dev); |
| 524 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 525 | u32 val; |
| 526 | |
| 527 | val = simple_strtoul(buf, NULL, 10); |
| 528 | |
| 529 | down(&data->update_lock); |
| 530 | data->fan_min[nr - 1] = |
| 531 | FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr - 1])); |
| 532 | w83627hf_write_value(client, W83781D_REG_FAN_MIN(nr), |
| 533 | data->fan_min[nr - 1]); |
| 534 | |
| 535 | up(&data->update_lock); |
| 536 | return count; |
| 537 | } |
| 538 | |
| 539 | #define sysfs_fan_offset(offset) \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 540 | 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] | 541 | { \ |
| 542 | return show_fan(dev, buf, offset); \ |
| 543 | } \ |
| 544 | static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_regs_fan_##offset, NULL); |
| 545 | |
| 546 | #define sysfs_fan_min_offset(offset) \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 547 | 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] | 548 | { \ |
| 549 | return show_fan_min(dev, buf, offset); \ |
| 550 | } \ |
| 551 | static ssize_t \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 552 | 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] | 553 | { \ |
| 554 | return store_fan_min(dev, buf, count, offset); \ |
| 555 | } \ |
| 556 | static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ |
| 557 | show_regs_fan_min##offset, store_regs_fan_min##offset); |
| 558 | |
| 559 | sysfs_fan_offset(1); |
| 560 | sysfs_fan_min_offset(1); |
| 561 | sysfs_fan_offset(2); |
| 562 | sysfs_fan_min_offset(2); |
| 563 | sysfs_fan_offset(3); |
| 564 | sysfs_fan_min_offset(3); |
| 565 | |
| 566 | #define device_create_file_fan(client, offset) \ |
| 567 | do { \ |
| 568 | device_create_file(&client->dev, &dev_attr_fan##offset##_input); \ |
| 569 | device_create_file(&client->dev, &dev_attr_fan##offset##_min); \ |
| 570 | } while (0) |
| 571 | |
| 572 | #define show_temp_reg(reg) \ |
| 573 | static ssize_t show_##reg (struct device *dev, char *buf, int nr) \ |
| 574 | { \ |
| 575 | struct w83627hf_data *data = w83627hf_update_device(dev); \ |
| 576 | if (nr >= 2) { /* TEMP2 and TEMP3 */ \ |
| 577 | return sprintf(buf,"%ld\n", \ |
| 578 | (long)LM75_TEMP_FROM_REG(data->reg##_add[nr-2])); \ |
| 579 | } else { /* TEMP1 */ \ |
| 580 | return sprintf(buf,"%ld\n", (long)TEMP_FROM_REG(data->reg)); \ |
| 581 | } \ |
| 582 | } |
| 583 | show_temp_reg(temp); |
| 584 | show_temp_reg(temp_max); |
| 585 | show_temp_reg(temp_max_hyst); |
| 586 | |
| 587 | #define store_temp_reg(REG, reg) \ |
| 588 | static ssize_t \ |
| 589 | store_temp_##reg (struct device *dev, const char *buf, size_t count, int nr) \ |
| 590 | { \ |
| 591 | struct i2c_client *client = to_i2c_client(dev); \ |
| 592 | struct w83627hf_data *data = i2c_get_clientdata(client); \ |
| 593 | u32 val; \ |
| 594 | \ |
| 595 | val = simple_strtoul(buf, NULL, 10); \ |
| 596 | \ |
| 597 | down(&data->update_lock); \ |
| 598 | \ |
| 599 | if (nr >= 2) { /* TEMP2 and TEMP3 */ \ |
| 600 | data->temp_##reg##_add[nr-2] = LM75_TEMP_TO_REG(val); \ |
| 601 | w83627hf_write_value(client, W83781D_REG_TEMP_##REG(nr), \ |
| 602 | data->temp_##reg##_add[nr-2]); \ |
| 603 | } else { /* TEMP1 */ \ |
| 604 | data->temp_##reg = TEMP_TO_REG(val); \ |
| 605 | w83627hf_write_value(client, W83781D_REG_TEMP_##REG(nr), \ |
| 606 | data->temp_##reg); \ |
| 607 | } \ |
| 608 | \ |
| 609 | up(&data->update_lock); \ |
| 610 | return count; \ |
| 611 | } |
| 612 | store_temp_reg(OVER, max); |
| 613 | store_temp_reg(HYST, max_hyst); |
| 614 | |
| 615 | #define sysfs_temp_offset(offset) \ |
| 616 | static ssize_t \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 617 | 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] | 618 | { \ |
| 619 | return show_temp(dev, buf, offset); \ |
| 620 | } \ |
| 621 | static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_regs_temp_##offset, NULL); |
| 622 | |
| 623 | #define sysfs_temp_reg_offset(reg, offset) \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 624 | 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] | 625 | { \ |
| 626 | return show_temp_##reg (dev, buf, offset); \ |
| 627 | } \ |
| 628 | static ssize_t \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 629 | store_regs_temp_##reg##offset (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 630 | const char *buf, size_t count) \ |
| 631 | { \ |
| 632 | return store_temp_##reg (dev, buf, count, offset); \ |
| 633 | } \ |
| 634 | static DEVICE_ATTR(temp##offset##_##reg, S_IRUGO| S_IWUSR, \ |
| 635 | show_regs_temp_##reg##offset, store_regs_temp_##reg##offset); |
| 636 | |
| 637 | #define sysfs_temp_offsets(offset) \ |
| 638 | sysfs_temp_offset(offset) \ |
| 639 | sysfs_temp_reg_offset(max, offset) \ |
| 640 | sysfs_temp_reg_offset(max_hyst, offset) |
| 641 | |
| 642 | sysfs_temp_offsets(1); |
| 643 | sysfs_temp_offsets(2); |
| 644 | sysfs_temp_offsets(3); |
| 645 | |
| 646 | #define device_create_file_temp(client, offset) \ |
| 647 | do { \ |
| 648 | device_create_file(&client->dev, &dev_attr_temp##offset##_input); \ |
| 649 | device_create_file(&client->dev, &dev_attr_temp##offset##_max); \ |
| 650 | device_create_file(&client->dev, &dev_attr_temp##offset##_max_hyst); \ |
| 651 | } while (0) |
| 652 | |
| 653 | static ssize_t |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 654 | show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 655 | { |
| 656 | struct w83627hf_data *data = w83627hf_update_device(dev); |
| 657 | return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm)); |
| 658 | } |
| 659 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); |
| 660 | #define device_create_file_vid(client) \ |
| 661 | device_create_file(&client->dev, &dev_attr_cpu0_vid) |
| 662 | |
| 663 | static ssize_t |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 664 | show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 665 | { |
| 666 | struct w83627hf_data *data = w83627hf_update_device(dev); |
| 667 | return sprintf(buf, "%ld\n", (long) data->vrm); |
| 668 | } |
| 669 | static ssize_t |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 670 | 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] | 671 | { |
| 672 | struct i2c_client *client = to_i2c_client(dev); |
| 673 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 674 | u32 val; |
| 675 | |
| 676 | val = simple_strtoul(buf, NULL, 10); |
| 677 | data->vrm = val; |
| 678 | |
| 679 | return count; |
| 680 | } |
| 681 | static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); |
| 682 | #define device_create_file_vrm(client) \ |
| 683 | device_create_file(&client->dev, &dev_attr_vrm) |
| 684 | |
| 685 | static ssize_t |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 686 | show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 687 | { |
| 688 | struct w83627hf_data *data = w83627hf_update_device(dev); |
| 689 | return sprintf(buf, "%ld\n", (long) data->alarms); |
| 690 | } |
| 691 | static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); |
| 692 | #define device_create_file_alarms(client) \ |
| 693 | device_create_file(&client->dev, &dev_attr_alarms) |
| 694 | |
| 695 | #define show_beep_reg(REG, reg) \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 696 | 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] | 697 | { \ |
| 698 | struct w83627hf_data *data = w83627hf_update_device(dev); \ |
| 699 | return sprintf(buf,"%ld\n", \ |
| 700 | (long)BEEP_##REG##_FROM_REG(data->beep_##reg)); \ |
| 701 | } |
| 702 | show_beep_reg(ENABLE, enable) |
| 703 | show_beep_reg(MASK, mask) |
| 704 | |
| 705 | #define BEEP_ENABLE 0 /* Store beep_enable */ |
| 706 | #define BEEP_MASK 1 /* Store beep_mask */ |
| 707 | |
| 708 | static ssize_t |
| 709 | store_beep_reg(struct device *dev, const char *buf, size_t count, |
| 710 | int update_mask) |
| 711 | { |
| 712 | struct i2c_client *client = to_i2c_client(dev); |
| 713 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 714 | u32 val, val2; |
| 715 | |
| 716 | val = simple_strtoul(buf, NULL, 10); |
| 717 | |
| 718 | down(&data->update_lock); |
| 719 | |
| 720 | if (update_mask == BEEP_MASK) { /* We are storing beep_mask */ |
| 721 | data->beep_mask = BEEP_MASK_TO_REG(val); |
| 722 | w83627hf_write_value(client, W83781D_REG_BEEP_INTS1, |
| 723 | data->beep_mask & 0xff); |
| 724 | w83627hf_write_value(client, W83781D_REG_BEEP_INTS3, |
| 725 | ((data->beep_mask) >> 16) & 0xff); |
| 726 | val2 = (data->beep_mask >> 8) & 0x7f; |
| 727 | } else { /* We are storing beep_enable */ |
| 728 | val2 = |
| 729 | w83627hf_read_value(client, W83781D_REG_BEEP_INTS2) & 0x7f; |
| 730 | data->beep_enable = BEEP_ENABLE_TO_REG(val); |
| 731 | } |
| 732 | |
| 733 | w83627hf_write_value(client, W83781D_REG_BEEP_INTS2, |
| 734 | val2 | data->beep_enable << 7); |
| 735 | |
| 736 | up(&data->update_lock); |
| 737 | return count; |
| 738 | } |
| 739 | |
| 740 | #define sysfs_beep(REG, reg) \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 741 | 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] | 742 | { \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 743 | return show_beep_##reg(dev, attr, buf); \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 744 | } \ |
| 745 | static ssize_t \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 746 | 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] | 747 | { \ |
| 748 | return store_beep_reg(dev, buf, count, BEEP_##REG); \ |
| 749 | } \ |
| 750 | static DEVICE_ATTR(beep_##reg, S_IRUGO | S_IWUSR, \ |
| 751 | show_regs_beep_##reg, store_regs_beep_##reg); |
| 752 | |
| 753 | sysfs_beep(ENABLE, enable); |
| 754 | sysfs_beep(MASK, mask); |
| 755 | |
| 756 | #define device_create_file_beep(client) \ |
| 757 | do { \ |
| 758 | device_create_file(&client->dev, &dev_attr_beep_enable); \ |
| 759 | device_create_file(&client->dev, &dev_attr_beep_mask); \ |
| 760 | } while (0) |
| 761 | |
| 762 | static ssize_t |
| 763 | show_fan_div_reg(struct device *dev, char *buf, int nr) |
| 764 | { |
| 765 | struct w83627hf_data *data = w83627hf_update_device(dev); |
| 766 | return sprintf(buf, "%ld\n", |
| 767 | (long) DIV_FROM_REG(data->fan_div[nr - 1])); |
| 768 | } |
| 769 | |
| 770 | /* Note: we save and restore the fan minimum here, because its value is |
| 771 | determined in part by the fan divisor. This follows the principle of |
| 772 | least suprise; the user doesn't expect the fan minimum to change just |
| 773 | because the divisor changed. */ |
| 774 | static ssize_t |
| 775 | store_fan_div_reg(struct device *dev, const char *buf, size_t count, int nr) |
| 776 | { |
| 777 | struct i2c_client *client = to_i2c_client(dev); |
| 778 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 779 | unsigned long min; |
| 780 | u8 reg; |
| 781 | unsigned long val = simple_strtoul(buf, NULL, 10); |
| 782 | |
| 783 | down(&data->update_lock); |
| 784 | |
| 785 | /* Save fan_min */ |
| 786 | min = FAN_FROM_REG(data->fan_min[nr], |
| 787 | DIV_FROM_REG(data->fan_div[nr])); |
| 788 | |
| 789 | data->fan_div[nr] = DIV_TO_REG(val); |
| 790 | |
| 791 | reg = (w83627hf_read_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV) |
| 792 | & (nr==0 ? 0xcf : 0x3f)) |
| 793 | | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6)); |
| 794 | w83627hf_write_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg); |
| 795 | |
| 796 | reg = (w83627hf_read_value(client, W83781D_REG_VBAT) |
| 797 | & ~(1 << (5 + nr))) |
| 798 | | ((data->fan_div[nr] & 0x04) << (3 + nr)); |
| 799 | w83627hf_write_value(client, W83781D_REG_VBAT, reg); |
| 800 | |
| 801 | /* Restore fan_min */ |
| 802 | data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr])); |
| 803 | w83627hf_write_value(client, W83781D_REG_FAN_MIN(nr+1), data->fan_min[nr]); |
| 804 | |
| 805 | up(&data->update_lock); |
| 806 | return count; |
| 807 | } |
| 808 | |
| 809 | #define sysfs_fan_div(offset) \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 810 | 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] | 811 | { \ |
| 812 | return show_fan_div_reg(dev, buf, offset); \ |
| 813 | } \ |
| 814 | static ssize_t \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 815 | store_regs_fan_div_##offset (struct device *dev, struct device_attribute *attr, \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 816 | const char *buf, size_t count) \ |
| 817 | { \ |
| 818 | return store_fan_div_reg(dev, buf, count, offset - 1); \ |
| 819 | } \ |
| 820 | static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ |
| 821 | show_regs_fan_div_##offset, store_regs_fan_div_##offset); |
| 822 | |
| 823 | sysfs_fan_div(1); |
| 824 | sysfs_fan_div(2); |
| 825 | sysfs_fan_div(3); |
| 826 | |
| 827 | #define device_create_file_fan_div(client, offset) \ |
| 828 | do { \ |
| 829 | device_create_file(&client->dev, &dev_attr_fan##offset##_div); \ |
| 830 | } while (0) |
| 831 | |
| 832 | static ssize_t |
| 833 | show_pwm_reg(struct device *dev, char *buf, int nr) |
| 834 | { |
| 835 | struct w83627hf_data *data = w83627hf_update_device(dev); |
| 836 | return sprintf(buf, "%ld\n", (long) data->pwm[nr - 1]); |
| 837 | } |
| 838 | |
| 839 | static ssize_t |
| 840 | store_pwm_reg(struct device *dev, const char *buf, size_t count, int nr) |
| 841 | { |
| 842 | struct i2c_client *client = to_i2c_client(dev); |
| 843 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 844 | u32 val; |
| 845 | |
| 846 | val = simple_strtoul(buf, NULL, 10); |
| 847 | |
| 848 | down(&data->update_lock); |
| 849 | |
| 850 | if (data->type == w83627thf) { |
| 851 | /* bits 0-3 are reserved in 627THF */ |
| 852 | data->pwm[nr - 1] = PWM_TO_REG(val) & 0xf0; |
| 853 | w83627hf_write_value(client, |
| 854 | W836X7HF_REG_PWM(data->type, nr), |
| 855 | data->pwm[nr - 1] | |
| 856 | (w83627hf_read_value(client, |
| 857 | W836X7HF_REG_PWM(data->type, nr)) & 0x0f)); |
| 858 | } else { |
| 859 | data->pwm[nr - 1] = PWM_TO_REG(val); |
| 860 | w83627hf_write_value(client, |
| 861 | W836X7HF_REG_PWM(data->type, nr), |
| 862 | data->pwm[nr - 1]); |
| 863 | } |
| 864 | |
| 865 | up(&data->update_lock); |
| 866 | return count; |
| 867 | } |
| 868 | |
| 869 | #define sysfs_pwm(offset) \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 870 | 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] | 871 | { \ |
| 872 | return show_pwm_reg(dev, buf, offset); \ |
| 873 | } \ |
| 874 | static ssize_t \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 875 | 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] | 876 | { \ |
| 877 | return store_pwm_reg(dev, buf, count, offset); \ |
| 878 | } \ |
| 879 | static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ |
| 880 | show_regs_pwm_##offset, store_regs_pwm_##offset); |
| 881 | |
| 882 | sysfs_pwm(1); |
| 883 | sysfs_pwm(2); |
| 884 | sysfs_pwm(3); |
| 885 | |
| 886 | #define device_create_file_pwm(client, offset) \ |
| 887 | do { \ |
| 888 | device_create_file(&client->dev, &dev_attr_pwm##offset); \ |
| 889 | } while (0) |
| 890 | |
| 891 | static ssize_t |
| 892 | show_sensor_reg(struct device *dev, char *buf, int nr) |
| 893 | { |
| 894 | struct w83627hf_data *data = w83627hf_update_device(dev); |
| 895 | return sprintf(buf, "%ld\n", (long) data->sens[nr - 1]); |
| 896 | } |
| 897 | |
| 898 | static ssize_t |
| 899 | store_sensor_reg(struct device *dev, const char *buf, size_t count, int nr) |
| 900 | { |
| 901 | struct i2c_client *client = to_i2c_client(dev); |
| 902 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 903 | u32 val, tmp; |
| 904 | |
| 905 | val = simple_strtoul(buf, NULL, 10); |
| 906 | |
| 907 | down(&data->update_lock); |
| 908 | |
| 909 | switch (val) { |
| 910 | case 1: /* PII/Celeron diode */ |
| 911 | tmp = w83627hf_read_value(client, W83781D_REG_SCFG1); |
| 912 | w83627hf_write_value(client, W83781D_REG_SCFG1, |
| 913 | tmp | BIT_SCFG1[nr - 1]); |
| 914 | tmp = w83627hf_read_value(client, W83781D_REG_SCFG2); |
| 915 | w83627hf_write_value(client, W83781D_REG_SCFG2, |
| 916 | tmp | BIT_SCFG2[nr - 1]); |
| 917 | data->sens[nr - 1] = val; |
| 918 | break; |
| 919 | case 2: /* 3904 */ |
| 920 | tmp = w83627hf_read_value(client, W83781D_REG_SCFG1); |
| 921 | w83627hf_write_value(client, W83781D_REG_SCFG1, |
| 922 | tmp | BIT_SCFG1[nr - 1]); |
| 923 | tmp = w83627hf_read_value(client, W83781D_REG_SCFG2); |
| 924 | w83627hf_write_value(client, W83781D_REG_SCFG2, |
| 925 | tmp & ~BIT_SCFG2[nr - 1]); |
| 926 | data->sens[nr - 1] = val; |
| 927 | break; |
| 928 | case W83781D_DEFAULT_BETA: /* thermistor */ |
| 929 | tmp = w83627hf_read_value(client, W83781D_REG_SCFG1); |
| 930 | w83627hf_write_value(client, W83781D_REG_SCFG1, |
| 931 | tmp & ~BIT_SCFG1[nr - 1]); |
| 932 | data->sens[nr - 1] = val; |
| 933 | break; |
| 934 | default: |
| 935 | dev_err(&client->dev, |
| 936 | "Invalid sensor type %ld; must be 1, 2, or %d\n", |
| 937 | (long) val, W83781D_DEFAULT_BETA); |
| 938 | break; |
| 939 | } |
| 940 | |
| 941 | up(&data->update_lock); |
| 942 | return count; |
| 943 | } |
| 944 | |
| 945 | #define sysfs_sensor(offset) \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 946 | 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] | 947 | { \ |
| 948 | return show_sensor_reg(dev, buf, offset); \ |
| 949 | } \ |
| 950 | static ssize_t \ |
Yani Ioannou | a5099cf | 2005-05-17 06:42:25 -0400 | [diff] [blame] | 951 | 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] | 952 | { \ |
| 953 | return store_sensor_reg(dev, buf, count, offset); \ |
| 954 | } \ |
| 955 | static DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \ |
| 956 | show_regs_sensor_##offset, store_regs_sensor_##offset); |
| 957 | |
| 958 | sysfs_sensor(1); |
| 959 | sysfs_sensor(2); |
| 960 | sysfs_sensor(3); |
| 961 | |
| 962 | #define device_create_file_sensor(client, offset) \ |
| 963 | do { \ |
| 964 | device_create_file(&client->dev, &dev_attr_temp##offset##_type); \ |
| 965 | } while (0) |
| 966 | |
| 967 | |
Jean Delvare | e6cfb3a | 2005-07-27 21:32:02 +0200 | [diff] [blame] | 968 | static int __init w83627hf_find(int sioaddr, unsigned short *addr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 969 | { |
| 970 | u16 val; |
| 971 | |
| 972 | REG = sioaddr; |
| 973 | VAL = sioaddr + 1; |
| 974 | |
| 975 | superio_enter(); |
| 976 | val= superio_inb(DEVID); |
| 977 | if(val != W627_DEVID && |
| 978 | val != W627THF_DEVID && |
| 979 | val != W697_DEVID && |
| 980 | val != W637_DEVID) { |
| 981 | superio_exit(); |
| 982 | return -ENODEV; |
| 983 | } |
| 984 | |
| 985 | superio_select(W83627HF_LD_HWM); |
| 986 | val = (superio_inb(WINB_BASE_REG) << 8) | |
| 987 | superio_inb(WINB_BASE_REG + 1); |
Petr Vandrovec | ada0c2f | 2005-10-07 23:11:03 +0200 | [diff] [blame^] | 988 | *addr = val & WINB_ALIGNMENT; |
Jean Delvare | 2d8672c | 2005-07-19 23:56:35 +0200 | [diff] [blame] | 989 | if (*addr == 0 && force_addr == 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 990 | superio_exit(); |
| 991 | return -ENODEV; |
| 992 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 993 | |
| 994 | superio_exit(); |
| 995 | return 0; |
| 996 | } |
| 997 | |
Jean Delvare | 2d8672c | 2005-07-19 23:56:35 +0200 | [diff] [blame] | 998 | static int w83627hf_detect(struct i2c_adapter *adapter) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 999 | { |
Jean Delvare | 2d8672c | 2005-07-19 23:56:35 +0200 | [diff] [blame] | 1000 | int val, kind; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1001 | struct i2c_client *new_client; |
| 1002 | struct w83627hf_data *data; |
| 1003 | int err = 0; |
| 1004 | const char *client_name = ""; |
| 1005 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1006 | if(force_addr) |
Petr Vandrovec | ada0c2f | 2005-10-07 23:11:03 +0200 | [diff] [blame^] | 1007 | address = force_addr & WINB_ALIGNMENT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1008 | |
Petr Vandrovec | ada0c2f | 2005-10-07 23:11:03 +0200 | [diff] [blame^] | 1009 | if (!request_region(address + WINB_REGION_OFFSET, WINB_REGION_SIZE, |
| 1010 | w83627hf_driver.name)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1011 | err = -EBUSY; |
| 1012 | goto ERROR0; |
| 1013 | } |
| 1014 | |
| 1015 | if(force_addr) { |
| 1016 | printk("w83627hf.o: forcing ISA address 0x%04X\n", address); |
| 1017 | superio_enter(); |
| 1018 | superio_select(W83627HF_LD_HWM); |
| 1019 | superio_outb(WINB_BASE_REG, address >> 8); |
| 1020 | superio_outb(WINB_BASE_REG+1, address & 0xff); |
| 1021 | superio_exit(); |
| 1022 | } |
| 1023 | |
| 1024 | superio_enter(); |
| 1025 | val= superio_inb(DEVID); |
| 1026 | if(val == W627_DEVID) |
| 1027 | kind = w83627hf; |
| 1028 | else if(val == W697_DEVID) |
| 1029 | kind = w83697hf; |
| 1030 | else if(val == W627THF_DEVID) |
| 1031 | kind = w83627thf; |
| 1032 | else if(val == W637_DEVID) |
| 1033 | kind = w83637hf; |
| 1034 | else { |
| 1035 | dev_info(&adapter->dev, |
| 1036 | "Unsupported chip (dev_id=0x%02X).\n", val); |
| 1037 | goto ERROR1; |
| 1038 | } |
| 1039 | |
| 1040 | superio_select(W83627HF_LD_HWM); |
| 1041 | if((val = 0x01 & superio_inb(WINB_ACT_REG)) == 0) |
| 1042 | superio_outb(WINB_ACT_REG, 1); |
| 1043 | superio_exit(); |
| 1044 | |
| 1045 | /* OK. For now, we presume we have a valid client. We now create the |
| 1046 | client structure, even though we cannot fill it completely yet. |
| 1047 | But it allows us to access w83627hf_{read,write}_value. */ |
| 1048 | |
| 1049 | if (!(data = kmalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) { |
| 1050 | err = -ENOMEM; |
| 1051 | goto ERROR1; |
| 1052 | } |
| 1053 | memset(data, 0, sizeof(struct w83627hf_data)); |
| 1054 | |
| 1055 | new_client = &data->client; |
| 1056 | i2c_set_clientdata(new_client, data); |
| 1057 | new_client->addr = address; |
| 1058 | init_MUTEX(&data->lock); |
| 1059 | new_client->adapter = adapter; |
| 1060 | new_client->driver = &w83627hf_driver; |
| 1061 | new_client->flags = 0; |
| 1062 | |
| 1063 | |
| 1064 | if (kind == w83627hf) { |
| 1065 | client_name = "w83627hf"; |
| 1066 | } else if (kind == w83627thf) { |
| 1067 | client_name = "w83627thf"; |
| 1068 | } else if (kind == w83697hf) { |
| 1069 | client_name = "w83697hf"; |
| 1070 | } else if (kind == w83637hf) { |
| 1071 | client_name = "w83637hf"; |
| 1072 | } |
| 1073 | |
| 1074 | /* Fill in the remaining client fields and put into the global list */ |
| 1075 | strlcpy(new_client->name, client_name, I2C_NAME_SIZE); |
| 1076 | data->type = kind; |
| 1077 | data->valid = 0; |
| 1078 | init_MUTEX(&data->update_lock); |
| 1079 | |
| 1080 | /* Tell the I2C layer a new client has arrived */ |
| 1081 | if ((err = i2c_attach_client(new_client))) |
| 1082 | goto ERROR2; |
| 1083 | |
| 1084 | data->lm75 = NULL; |
| 1085 | |
| 1086 | /* Initialize the chip */ |
| 1087 | w83627hf_init_client(new_client); |
| 1088 | |
| 1089 | /* A few vars need to be filled upon startup */ |
| 1090 | data->fan_min[0] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(1)); |
| 1091 | data->fan_min[1] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(2)); |
| 1092 | data->fan_min[2] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(3)); |
| 1093 | |
| 1094 | /* Register sysfs hooks */ |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1095 | data->class_dev = hwmon_device_register(&new_client->dev); |
| 1096 | if (IS_ERR(data->class_dev)) { |
| 1097 | err = PTR_ERR(data->class_dev); |
| 1098 | goto ERROR3; |
| 1099 | } |
| 1100 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1101 | device_create_file_in(new_client, 0); |
| 1102 | if (kind != w83697hf) |
| 1103 | device_create_file_in(new_client, 1); |
| 1104 | device_create_file_in(new_client, 2); |
| 1105 | device_create_file_in(new_client, 3); |
| 1106 | device_create_file_in(new_client, 4); |
| 1107 | if (kind != w83627thf && kind != w83637hf) { |
| 1108 | device_create_file_in(new_client, 5); |
| 1109 | device_create_file_in(new_client, 6); |
| 1110 | } |
| 1111 | device_create_file_in(new_client, 7); |
| 1112 | device_create_file_in(new_client, 8); |
| 1113 | |
| 1114 | device_create_file_fan(new_client, 1); |
| 1115 | device_create_file_fan(new_client, 2); |
| 1116 | if (kind != w83697hf) |
| 1117 | device_create_file_fan(new_client, 3); |
| 1118 | |
| 1119 | device_create_file_temp(new_client, 1); |
| 1120 | device_create_file_temp(new_client, 2); |
| 1121 | if (kind != w83697hf) |
| 1122 | device_create_file_temp(new_client, 3); |
| 1123 | |
| 1124 | if (kind != w83697hf) |
| 1125 | device_create_file_vid(new_client); |
| 1126 | |
| 1127 | if (kind != w83697hf) |
| 1128 | device_create_file_vrm(new_client); |
| 1129 | |
| 1130 | device_create_file_fan_div(new_client, 1); |
| 1131 | device_create_file_fan_div(new_client, 2); |
| 1132 | if (kind != w83697hf) |
| 1133 | device_create_file_fan_div(new_client, 3); |
| 1134 | |
| 1135 | device_create_file_alarms(new_client); |
| 1136 | |
| 1137 | device_create_file_beep(new_client); |
| 1138 | |
| 1139 | device_create_file_pwm(new_client, 1); |
| 1140 | device_create_file_pwm(new_client, 2); |
| 1141 | if (kind == w83627thf || kind == w83637hf) |
| 1142 | device_create_file_pwm(new_client, 3); |
| 1143 | |
| 1144 | device_create_file_sensor(new_client, 1); |
| 1145 | device_create_file_sensor(new_client, 2); |
| 1146 | if (kind != w83697hf) |
| 1147 | device_create_file_sensor(new_client, 3); |
| 1148 | |
| 1149 | return 0; |
| 1150 | |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1151 | ERROR3: |
| 1152 | i2c_detach_client(new_client); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1153 | ERROR2: |
| 1154 | kfree(data); |
| 1155 | ERROR1: |
Petr Vandrovec | ada0c2f | 2005-10-07 23:11:03 +0200 | [diff] [blame^] | 1156 | release_region(address + WINB_REGION_OFFSET, WINB_REGION_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1157 | ERROR0: |
| 1158 | return err; |
| 1159 | } |
| 1160 | |
| 1161 | static int w83627hf_detach_client(struct i2c_client *client) |
| 1162 | { |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1163 | struct w83627hf_data *data = i2c_get_clientdata(client); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1164 | int err; |
| 1165 | |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1166 | hwmon_device_unregister(data->class_dev); |
| 1167 | |
Jean Delvare | 7bef559 | 2005-07-27 22:14:49 +0200 | [diff] [blame] | 1168 | if ((err = i2c_detach_client(client))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1169 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1170 | |
Petr Vandrovec | ada0c2f | 2005-10-07 23:11:03 +0200 | [diff] [blame^] | 1171 | release_region(client->addr + WINB_REGION_OFFSET, WINB_REGION_SIZE); |
Mark M. Hoffman | 943b083 | 2005-07-15 21:39:18 -0400 | [diff] [blame] | 1172 | kfree(data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1173 | |
| 1174 | return 0; |
| 1175 | } |
| 1176 | |
| 1177 | |
| 1178 | /* |
| 1179 | ISA access must always be locked explicitly! |
| 1180 | We ignore the W83781D BUSY flag at this moment - it could lead to deadlocks, |
| 1181 | would slow down the W83781D access and should not be necessary. |
| 1182 | There are some ugly typecasts here, but the good news is - they should |
| 1183 | nowhere else be necessary! */ |
| 1184 | static int w83627hf_read_value(struct i2c_client *client, u16 reg) |
| 1185 | { |
| 1186 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 1187 | int res, word_sized; |
| 1188 | |
| 1189 | down(&data->lock); |
| 1190 | word_sized = (((reg & 0xff00) == 0x100) |
| 1191 | || ((reg & 0xff00) == 0x200)) |
| 1192 | && (((reg & 0x00ff) == 0x50) |
| 1193 | || ((reg & 0x00ff) == 0x53) |
| 1194 | || ((reg & 0x00ff) == 0x55)); |
| 1195 | if (reg & 0xff00) { |
| 1196 | outb_p(W83781D_REG_BANK, |
| 1197 | client->addr + W83781D_ADDR_REG_OFFSET); |
| 1198 | outb_p(reg >> 8, |
| 1199 | client->addr + W83781D_DATA_REG_OFFSET); |
| 1200 | } |
| 1201 | outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET); |
| 1202 | res = inb_p(client->addr + W83781D_DATA_REG_OFFSET); |
| 1203 | if (word_sized) { |
| 1204 | outb_p((reg & 0xff) + 1, |
| 1205 | client->addr + W83781D_ADDR_REG_OFFSET); |
| 1206 | res = |
| 1207 | (res << 8) + inb_p(client->addr + |
| 1208 | W83781D_DATA_REG_OFFSET); |
| 1209 | } |
| 1210 | if (reg & 0xff00) { |
| 1211 | outb_p(W83781D_REG_BANK, |
| 1212 | client->addr + W83781D_ADDR_REG_OFFSET); |
| 1213 | outb_p(0, client->addr + W83781D_DATA_REG_OFFSET); |
| 1214 | } |
| 1215 | up(&data->lock); |
| 1216 | return res; |
| 1217 | } |
| 1218 | |
| 1219 | static int w83627thf_read_gpio5(struct i2c_client *client) |
| 1220 | { |
| 1221 | int res = 0xff, sel; |
| 1222 | |
| 1223 | superio_enter(); |
| 1224 | superio_select(W83627HF_LD_GPIO5); |
| 1225 | |
| 1226 | /* Make sure these GPIO pins are enabled */ |
| 1227 | if (!(superio_inb(W83627THF_GPIO5_EN) & (1<<3))) { |
| 1228 | dev_dbg(&client->dev, "GPIO5 disabled, no VID function\n"); |
| 1229 | goto exit; |
| 1230 | } |
| 1231 | |
| 1232 | /* Make sure the pins are configured for input |
| 1233 | There must be at least five (VRM 9), and possibly 6 (VRM 10) */ |
| 1234 | sel = superio_inb(W83627THF_GPIO5_IOSR); |
| 1235 | if ((sel & 0x1f) != 0x1f) { |
| 1236 | dev_dbg(&client->dev, "GPIO5 not configured for VID " |
| 1237 | "function\n"); |
| 1238 | goto exit; |
| 1239 | } |
| 1240 | |
| 1241 | dev_info(&client->dev, "Reading VID from GPIO5\n"); |
| 1242 | res = superio_inb(W83627THF_GPIO5_DR) & sel; |
| 1243 | |
| 1244 | exit: |
| 1245 | superio_exit(); |
| 1246 | return res; |
| 1247 | } |
| 1248 | |
| 1249 | static int w83627hf_write_value(struct i2c_client *client, u16 reg, u16 value) |
| 1250 | { |
| 1251 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 1252 | int word_sized; |
| 1253 | |
| 1254 | down(&data->lock); |
| 1255 | word_sized = (((reg & 0xff00) == 0x100) |
| 1256 | || ((reg & 0xff00) == 0x200)) |
| 1257 | && (((reg & 0x00ff) == 0x53) |
| 1258 | || ((reg & 0x00ff) == 0x55)); |
| 1259 | if (reg & 0xff00) { |
| 1260 | outb_p(W83781D_REG_BANK, |
| 1261 | client->addr + W83781D_ADDR_REG_OFFSET); |
| 1262 | outb_p(reg >> 8, |
| 1263 | client->addr + W83781D_DATA_REG_OFFSET); |
| 1264 | } |
| 1265 | outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET); |
| 1266 | if (word_sized) { |
| 1267 | outb_p(value >> 8, |
| 1268 | client->addr + W83781D_DATA_REG_OFFSET); |
| 1269 | outb_p((reg & 0xff) + 1, |
| 1270 | client->addr + W83781D_ADDR_REG_OFFSET); |
| 1271 | } |
| 1272 | outb_p(value & 0xff, |
| 1273 | client->addr + W83781D_DATA_REG_OFFSET); |
| 1274 | if (reg & 0xff00) { |
| 1275 | outb_p(W83781D_REG_BANK, |
| 1276 | client->addr + W83781D_ADDR_REG_OFFSET); |
| 1277 | outb_p(0, client->addr + W83781D_DATA_REG_OFFSET); |
| 1278 | } |
| 1279 | up(&data->lock); |
| 1280 | return 0; |
| 1281 | } |
| 1282 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1283 | static void w83627hf_init_client(struct i2c_client *client) |
| 1284 | { |
| 1285 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 1286 | int i; |
| 1287 | int type = data->type; |
| 1288 | u8 tmp; |
| 1289 | |
Jean Delvare | 2251cf1 | 2005-09-04 22:52:17 +0200 | [diff] [blame] | 1290 | if (reset) { |
| 1291 | /* Resetting the chip has been the default for a long time, |
| 1292 | but repeatedly caused problems (fans going to full |
| 1293 | speed...) so it is now optional. It might even go away if |
| 1294 | nobody reports it as being useful, as I see very little |
| 1295 | reason why this would be needed at all. */ |
| 1296 | dev_info(&client->dev, "If reset=1 solved a problem you were " |
| 1297 | "having, please report!\n"); |
| 1298 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1299 | /* save this register */ |
| 1300 | i = w83627hf_read_value(client, W83781D_REG_BEEP_CONFIG); |
| 1301 | /* Reset all except Watchdog values and last conversion values |
| 1302 | This sets fan-divs to 2, among others */ |
| 1303 | w83627hf_write_value(client, W83781D_REG_CONFIG, 0x80); |
| 1304 | /* Restore the register and disable power-on abnormal beep. |
| 1305 | This saves FAN 1/2/3 input/output values set by BIOS. */ |
| 1306 | w83627hf_write_value(client, W83781D_REG_BEEP_CONFIG, i | 0x80); |
| 1307 | /* Disable master beep-enable (reset turns it on). |
| 1308 | Individual beeps should be reset to off but for some reason |
| 1309 | disabling this bit helps some people not get beeped */ |
| 1310 | w83627hf_write_value(client, W83781D_REG_BEEP_INTS2, 0); |
| 1311 | } |
| 1312 | |
| 1313 | /* Minimize conflicts with other winbond i2c-only clients... */ |
| 1314 | /* disable i2c subclients... how to disable main i2c client?? */ |
| 1315 | /* force i2c address to relatively uncommon address */ |
| 1316 | w83627hf_write_value(client, W83781D_REG_I2C_SUBADDR, 0x89); |
| 1317 | w83627hf_write_value(client, W83781D_REG_I2C_ADDR, force_i2c); |
| 1318 | |
| 1319 | /* Read VID only once */ |
| 1320 | if (w83627hf == data->type || w83637hf == data->type) { |
| 1321 | int lo = w83627hf_read_value(client, W83781D_REG_VID_FANDIV); |
| 1322 | int hi = w83627hf_read_value(client, W83781D_REG_CHIPID); |
| 1323 | data->vid = (lo & 0x0f) | ((hi & 0x01) << 4); |
| 1324 | } else if (w83627thf == data->type) { |
| 1325 | data->vid = w83627thf_read_gpio5(client) & 0x3f; |
| 1326 | } |
| 1327 | |
| 1328 | /* Read VRM & OVT Config only once */ |
| 1329 | if (w83627thf == data->type || w83637hf == data->type) { |
| 1330 | data->vrm_ovt = |
| 1331 | w83627hf_read_value(client, W83627THF_REG_VRM_OVT_CFG); |
| 1332 | data->vrm = (data->vrm_ovt & 0x01) ? 90 : 82; |
| 1333 | } else { |
| 1334 | /* Convert VID to voltage based on default VRM */ |
Jean Delvare | 303760b | 2005-07-31 21:52:01 +0200 | [diff] [blame] | 1335 | data->vrm = vid_which_vrm(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1336 | } |
| 1337 | |
| 1338 | tmp = w83627hf_read_value(client, W83781D_REG_SCFG1); |
| 1339 | for (i = 1; i <= 3; i++) { |
| 1340 | if (!(tmp & BIT_SCFG1[i - 1])) { |
| 1341 | data->sens[i - 1] = W83781D_DEFAULT_BETA; |
| 1342 | } else { |
| 1343 | if (w83627hf_read_value |
| 1344 | (client, |
| 1345 | W83781D_REG_SCFG2) & BIT_SCFG2[i - 1]) |
| 1346 | data->sens[i - 1] = 1; |
| 1347 | else |
| 1348 | data->sens[i - 1] = 2; |
| 1349 | } |
| 1350 | if ((type == w83697hf) && (i == 2)) |
| 1351 | break; |
| 1352 | } |
| 1353 | |
| 1354 | if(init) { |
| 1355 | /* Enable temp2 */ |
| 1356 | tmp = w83627hf_read_value(client, W83781D_REG_TEMP2_CONFIG); |
| 1357 | if (tmp & 0x01) { |
| 1358 | dev_warn(&client->dev, "Enabling temp2, readings " |
| 1359 | "might not make sense\n"); |
| 1360 | w83627hf_write_value(client, W83781D_REG_TEMP2_CONFIG, |
| 1361 | tmp & 0xfe); |
| 1362 | } |
| 1363 | |
| 1364 | /* Enable temp3 */ |
| 1365 | if (type != w83697hf) { |
| 1366 | tmp = w83627hf_read_value(client, |
| 1367 | W83781D_REG_TEMP3_CONFIG); |
| 1368 | if (tmp & 0x01) { |
| 1369 | dev_warn(&client->dev, "Enabling temp3, " |
| 1370 | "readings might not make sense\n"); |
| 1371 | w83627hf_write_value(client, |
| 1372 | W83781D_REG_TEMP3_CONFIG, tmp & 0xfe); |
| 1373 | } |
| 1374 | } |
| 1375 | |
| 1376 | if (type == w83627hf) { |
| 1377 | /* enable PWM2 control (can't hurt since PWM reg |
| 1378 | should have been reset to 0xff) */ |
| 1379 | w83627hf_write_value(client, W83627HF_REG_PWMCLK12, |
| 1380 | 0x19); |
| 1381 | } |
| 1382 | /* enable comparator mode for temp2 and temp3 so |
| 1383 | alarm indication will work correctly */ |
| 1384 | i = w83627hf_read_value(client, W83781D_REG_IRQ); |
| 1385 | if (!(i & 0x40)) |
| 1386 | w83627hf_write_value(client, W83781D_REG_IRQ, |
| 1387 | i | 0x40); |
| 1388 | } |
| 1389 | |
| 1390 | /* Start monitoring */ |
| 1391 | w83627hf_write_value(client, W83781D_REG_CONFIG, |
| 1392 | (w83627hf_read_value(client, |
| 1393 | W83781D_REG_CONFIG) & 0xf7) |
| 1394 | | 0x01); |
| 1395 | } |
| 1396 | |
| 1397 | static struct w83627hf_data *w83627hf_update_device(struct device *dev) |
| 1398 | { |
| 1399 | struct i2c_client *client = to_i2c_client(dev); |
| 1400 | struct w83627hf_data *data = i2c_get_clientdata(client); |
| 1401 | int i; |
| 1402 | |
| 1403 | down(&data->update_lock); |
| 1404 | |
| 1405 | if (time_after(jiffies, data->last_updated + HZ + HZ / 2) |
| 1406 | || !data->valid) { |
| 1407 | for (i = 0; i <= 8; i++) { |
| 1408 | /* skip missing sensors */ |
| 1409 | if (((data->type == w83697hf) && (i == 1)) || |
| 1410 | ((data->type == w83627thf || data->type == w83637hf) |
| 1411 | && (i == 4 || i == 5))) |
| 1412 | continue; |
| 1413 | data->in[i] = |
| 1414 | w83627hf_read_value(client, W83781D_REG_IN(i)); |
| 1415 | data->in_min[i] = |
| 1416 | w83627hf_read_value(client, |
| 1417 | W83781D_REG_IN_MIN(i)); |
| 1418 | data->in_max[i] = |
| 1419 | w83627hf_read_value(client, |
| 1420 | W83781D_REG_IN_MAX(i)); |
| 1421 | } |
| 1422 | for (i = 1; i <= 3; i++) { |
| 1423 | data->fan[i - 1] = |
| 1424 | w83627hf_read_value(client, W83781D_REG_FAN(i)); |
| 1425 | data->fan_min[i - 1] = |
| 1426 | w83627hf_read_value(client, |
| 1427 | W83781D_REG_FAN_MIN(i)); |
| 1428 | } |
| 1429 | for (i = 1; i <= 3; i++) { |
| 1430 | u8 tmp = w83627hf_read_value(client, |
| 1431 | W836X7HF_REG_PWM(data->type, i)); |
| 1432 | /* bits 0-3 are reserved in 627THF */ |
| 1433 | if (data->type == w83627thf) |
| 1434 | tmp &= 0xf0; |
| 1435 | data->pwm[i - 1] = tmp; |
| 1436 | if(i == 2 && |
| 1437 | (data->type == w83627hf || data->type == w83697hf)) |
| 1438 | break; |
| 1439 | } |
| 1440 | |
| 1441 | data->temp = w83627hf_read_value(client, W83781D_REG_TEMP(1)); |
| 1442 | data->temp_max = |
| 1443 | w83627hf_read_value(client, W83781D_REG_TEMP_OVER(1)); |
| 1444 | data->temp_max_hyst = |
| 1445 | w83627hf_read_value(client, W83781D_REG_TEMP_HYST(1)); |
| 1446 | data->temp_add[0] = |
| 1447 | w83627hf_read_value(client, W83781D_REG_TEMP(2)); |
| 1448 | data->temp_max_add[0] = |
| 1449 | w83627hf_read_value(client, W83781D_REG_TEMP_OVER(2)); |
| 1450 | data->temp_max_hyst_add[0] = |
| 1451 | w83627hf_read_value(client, W83781D_REG_TEMP_HYST(2)); |
| 1452 | if (data->type != w83697hf) { |
| 1453 | data->temp_add[1] = |
| 1454 | w83627hf_read_value(client, W83781D_REG_TEMP(3)); |
| 1455 | data->temp_max_add[1] = |
| 1456 | w83627hf_read_value(client, W83781D_REG_TEMP_OVER(3)); |
| 1457 | data->temp_max_hyst_add[1] = |
| 1458 | w83627hf_read_value(client, W83781D_REG_TEMP_HYST(3)); |
| 1459 | } |
| 1460 | |
| 1461 | i = w83627hf_read_value(client, W83781D_REG_VID_FANDIV); |
| 1462 | data->fan_div[0] = (i >> 4) & 0x03; |
| 1463 | data->fan_div[1] = (i >> 6) & 0x03; |
| 1464 | if (data->type != w83697hf) { |
| 1465 | data->fan_div[2] = (w83627hf_read_value(client, |
| 1466 | W83781D_REG_PIN) >> 6) & 0x03; |
| 1467 | } |
| 1468 | i = w83627hf_read_value(client, W83781D_REG_VBAT); |
| 1469 | data->fan_div[0] |= (i >> 3) & 0x04; |
| 1470 | data->fan_div[1] |= (i >> 4) & 0x04; |
| 1471 | if (data->type != w83697hf) |
| 1472 | data->fan_div[2] |= (i >> 5) & 0x04; |
| 1473 | data->alarms = |
| 1474 | w83627hf_read_value(client, W83781D_REG_ALARM1) | |
| 1475 | (w83627hf_read_value(client, W83781D_REG_ALARM2) << 8) | |
| 1476 | (w83627hf_read_value(client, W83781D_REG_ALARM3) << 16); |
| 1477 | i = w83627hf_read_value(client, W83781D_REG_BEEP_INTS2); |
| 1478 | data->beep_enable = i >> 7; |
| 1479 | data->beep_mask = ((i & 0x7f) << 8) | |
| 1480 | w83627hf_read_value(client, W83781D_REG_BEEP_INTS1) | |
| 1481 | w83627hf_read_value(client, W83781D_REG_BEEP_INTS3) << 16; |
| 1482 | data->last_updated = jiffies; |
| 1483 | data->valid = 1; |
| 1484 | } |
| 1485 | |
| 1486 | up(&data->update_lock); |
| 1487 | |
| 1488 | return data; |
| 1489 | } |
| 1490 | |
| 1491 | static int __init sensors_w83627hf_init(void) |
| 1492 | { |
Jean Delvare | 2d8672c | 2005-07-19 23:56:35 +0200 | [diff] [blame] | 1493 | if (w83627hf_find(0x2e, &address) |
| 1494 | && w83627hf_find(0x4e, &address)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1495 | return -ENODEV; |
| 1496 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1497 | |
Jean Delvare | fde0950 | 2005-07-19 23:51:07 +0200 | [diff] [blame] | 1498 | return i2c_isa_add_driver(&w83627hf_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1499 | } |
| 1500 | |
| 1501 | static void __exit sensors_w83627hf_exit(void) |
| 1502 | { |
Jean Delvare | fde0950 | 2005-07-19 23:51:07 +0200 | [diff] [blame] | 1503 | i2c_isa_del_driver(&w83627hf_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1504 | } |
| 1505 | |
| 1506 | MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, " |
| 1507 | "Philip Edelbrock <phil@netroedge.com>, " |
| 1508 | "and Mark Studebaker <mdsxyz123@yahoo.com>"); |
| 1509 | MODULE_DESCRIPTION("W83627HF driver"); |
| 1510 | MODULE_LICENSE("GPL"); |
| 1511 | |
| 1512 | module_init(sensors_w83627hf_init); |
| 1513 | module_exit(sensors_w83627hf_exit); |