Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 1 | /* |
| 2 | * nct6775 - Driver for the hardware monitoring functionality of |
| 3 | * Nuvoton NCT677x Super-I/O chips |
| 4 | * |
| 5 | * Copyright (C) 2012 Guenter Roeck <linux@roeck-us.net> |
| 6 | * |
| 7 | * Derived from w83627ehf driver |
| 8 | * Copyright (C) 2005-2012 Jean Delvare <khali@linux-fr.org> |
| 9 | * Copyright (C) 2006 Yuan Mu (Winbond), |
| 10 | * Rudolf Marek <r.marek@assembler.cz> |
| 11 | * David Hubbard <david.c.hubbard@gmail.com> |
| 12 | * Daniel J Blueman <daniel.blueman@gmail.com> |
| 13 | * Copyright (C) 2010 Sheng-Yuan Huang (Nuvoton) (PS00) |
| 14 | * |
| 15 | * Shamelessly ripped from the w83627hf driver |
| 16 | * Copyright (C) 2003 Mark Studebaker |
| 17 | * |
| 18 | * This program is free software; you can redistribute it and/or modify |
| 19 | * it under the terms of the GNU General Public License as published by |
| 20 | * the Free Software Foundation; either version 2 of the License, or |
| 21 | * (at your option) any later version. |
| 22 | * |
| 23 | * This program is distributed in the hope that it will be useful, |
| 24 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 26 | * GNU General Public License for more details. |
| 27 | * |
| 28 | * You should have received a copy of the GNU General Public License |
| 29 | * along with this program; if not, write to the Free Software |
| 30 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 31 | * |
| 32 | * |
| 33 | * Supports the following chips: |
| 34 | * |
| 35 | * Chip #vin #fan #pwm #temp chip IDs man ID |
| 36 | * nct6775f 9 4 3 6+3 0xb470 0xc1 0x5ca3 |
| 37 | * nct6776f 9 5 3 6+3 0xc330 0xc1 0x5ca3 |
| 38 | * nct6779d 15 5 5 2+6 0xc560 0xc1 0x5ca3 |
| 39 | * |
| 40 | * #temp lists the number of monitored temperature sources (first value) plus |
| 41 | * the number of directly connectable temperature sensors (second value). |
| 42 | */ |
| 43 | |
| 44 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 45 | |
| 46 | #include <linux/module.h> |
| 47 | #include <linux/init.h> |
| 48 | #include <linux/slab.h> |
| 49 | #include <linux/jiffies.h> |
| 50 | #include <linux/platform_device.h> |
| 51 | #include <linux/hwmon.h> |
| 52 | #include <linux/hwmon-sysfs.h> |
| 53 | #include <linux/hwmon-vid.h> |
| 54 | #include <linux/err.h> |
| 55 | #include <linux/mutex.h> |
| 56 | #include <linux/acpi.h> |
| 57 | #include <linux/io.h> |
| 58 | #include "lm75.h" |
| 59 | |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 60 | #define USE_ALTERNATE |
| 61 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 62 | enum kinds { nct6775, nct6776, nct6779 }; |
| 63 | |
| 64 | /* used to set data->name = nct6775_device_names[data->sio_kind] */ |
| 65 | static const char * const nct6775_device_names[] = { |
| 66 | "nct6775", |
| 67 | "nct6776", |
| 68 | "nct6779", |
| 69 | }; |
| 70 | |
| 71 | static unsigned short force_id; |
| 72 | module_param(force_id, ushort, 0); |
| 73 | MODULE_PARM_DESC(force_id, "Override the detected device ID"); |
| 74 | |
Guenter Roeck | 47ece96 | 2012-12-04 07:59:32 -0800 | [diff] [blame] | 75 | static unsigned short fan_debounce; |
| 76 | module_param(fan_debounce, ushort, 0); |
| 77 | MODULE_PARM_DESC(fan_debounce, "Enable debouncing for fan RPM signal"); |
| 78 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 79 | #define DRVNAME "nct6775" |
| 80 | |
| 81 | /* |
| 82 | * Super-I/O constants and functions |
| 83 | */ |
| 84 | |
Guenter Roeck | a6bd587 | 2012-12-04 03:13:34 -0800 | [diff] [blame] | 85 | #define NCT6775_LD_ACPI 0x0a |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 86 | #define NCT6775_LD_HWM 0x0b |
| 87 | #define NCT6775_LD_VID 0x0d |
| 88 | |
| 89 | #define SIO_REG_LDSEL 0x07 /* Logical device select */ |
| 90 | #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ |
| 91 | #define SIO_REG_ENABLE 0x30 /* Logical device enable */ |
| 92 | #define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */ |
| 93 | |
| 94 | #define SIO_NCT6775_ID 0xb470 |
| 95 | #define SIO_NCT6776_ID 0xc330 |
| 96 | #define SIO_NCT6779_ID 0xc560 |
| 97 | #define SIO_ID_MASK 0xFFF0 |
| 98 | |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 99 | enum pwm_enable { off, manual, thermal_cruise, speed_cruise, sf3, sf4 }; |
| 100 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 101 | static inline void |
| 102 | superio_outb(int ioreg, int reg, int val) |
| 103 | { |
| 104 | outb(reg, ioreg); |
| 105 | outb(val, ioreg + 1); |
| 106 | } |
| 107 | |
| 108 | static inline int |
| 109 | superio_inb(int ioreg, int reg) |
| 110 | { |
| 111 | outb(reg, ioreg); |
| 112 | return inb(ioreg + 1); |
| 113 | } |
| 114 | |
| 115 | static inline void |
| 116 | superio_select(int ioreg, int ld) |
| 117 | { |
| 118 | outb(SIO_REG_LDSEL, ioreg); |
| 119 | outb(ld, ioreg + 1); |
| 120 | } |
| 121 | |
| 122 | static inline int |
| 123 | superio_enter(int ioreg) |
| 124 | { |
| 125 | /* |
| 126 | * Try to reserve <ioreg> and <ioreg + 1> for exclusive access. |
| 127 | */ |
| 128 | if (!request_muxed_region(ioreg, 2, DRVNAME)) |
| 129 | return -EBUSY; |
| 130 | |
| 131 | outb(0x87, ioreg); |
| 132 | outb(0x87, ioreg); |
| 133 | |
| 134 | return 0; |
| 135 | } |
| 136 | |
| 137 | static inline void |
| 138 | superio_exit(int ioreg) |
| 139 | { |
| 140 | outb(0xaa, ioreg); |
| 141 | outb(0x02, ioreg); |
| 142 | outb(0x02, ioreg + 1); |
| 143 | release_region(ioreg, 2); |
| 144 | } |
| 145 | |
| 146 | /* |
| 147 | * ISA constants |
| 148 | */ |
| 149 | |
| 150 | #define IOREGION_ALIGNMENT (~7) |
| 151 | #define IOREGION_OFFSET 5 |
| 152 | #define IOREGION_LENGTH 2 |
| 153 | #define ADDR_REG_OFFSET 0 |
| 154 | #define DATA_REG_OFFSET 1 |
| 155 | |
| 156 | #define NCT6775_REG_BANK 0x4E |
| 157 | #define NCT6775_REG_CONFIG 0x40 |
| 158 | |
| 159 | /* |
| 160 | * Not currently used: |
| 161 | * REG_MAN_ID has the value 0x5ca3 for all supported chips. |
| 162 | * REG_CHIP_ID == 0x88/0xa1/0xc1 depending on chip model. |
| 163 | * REG_MAN_ID is at port 0x4f |
| 164 | * REG_CHIP_ID is at port 0x58 |
| 165 | */ |
| 166 | |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 167 | #define NUM_TEMP 10 /* Max number of temp attribute sets w/ limits*/ |
| 168 | #define NUM_TEMP_FIXED 6 /* Max number of fixed temp attribute sets */ |
| 169 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 170 | #define NUM_REG_ALARM 4 /* Max number of alarm registers */ |
| 171 | |
| 172 | /* Common and NCT6775 specific data */ |
| 173 | |
| 174 | /* Voltage min/max registers for nr=7..14 are in bank 5 */ |
| 175 | |
| 176 | static const u16 NCT6775_REG_IN_MAX[] = { |
| 177 | 0x2b, 0x2d, 0x2f, 0x31, 0x33, 0x35, 0x37, 0x554, 0x556, 0x558, 0x55a, |
| 178 | 0x55c, 0x55e, 0x560, 0x562 }; |
| 179 | static const u16 NCT6775_REG_IN_MIN[] = { |
| 180 | 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x555, 0x557, 0x559, 0x55b, |
| 181 | 0x55d, 0x55f, 0x561, 0x563 }; |
| 182 | static const u16 NCT6775_REG_IN[] = { |
| 183 | 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x550, 0x551, 0x552 |
| 184 | }; |
| 185 | |
| 186 | #define NCT6775_REG_VBAT 0x5D |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 187 | #define NCT6775_REG_DIODE 0x5E |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 188 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 189 | #define NCT6775_REG_FANDIV1 0x506 |
| 190 | #define NCT6775_REG_FANDIV2 0x507 |
| 191 | |
Guenter Roeck | 47ece96 | 2012-12-04 07:59:32 -0800 | [diff] [blame] | 192 | #define NCT6775_REG_CR_FAN_DEBOUNCE 0xf0 |
| 193 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 194 | static const u16 NCT6775_REG_ALARM[NUM_REG_ALARM] = { 0x459, 0x45A, 0x45B }; |
| 195 | |
| 196 | /* 0..15 voltages, 16..23 fans, 24..31 temperatures */ |
| 197 | |
| 198 | static const s8 NCT6775_ALARM_BITS[] = { |
| 199 | 0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */ |
| 200 | 17, -1, -1, -1, -1, -1, -1, /* in8..in14 */ |
| 201 | -1, /* unused */ |
| 202 | 6, 7, 11, 10, 23, /* fan1..fan5 */ |
| 203 | -1, -1, -1, /* unused */ |
| 204 | 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ |
| 205 | 12, -1 }; /* intrusion0, intrusion1 */ |
| 206 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 207 | #define FAN_ALARM_BASE 16 |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 208 | #define TEMP_ALARM_BASE 24 |
Guenter Roeck | a6bd587 | 2012-12-04 03:13:34 -0800 | [diff] [blame] | 209 | #define INTRUSION_ALARM_BASE 30 |
| 210 | |
| 211 | static const u8 NCT6775_REG_CR_CASEOPEN_CLR[] = { 0xe6, 0xee }; |
| 212 | static const u8 NCT6775_CR_CASEOPEN_CLR_MASK[] = { 0x20, 0x01 }; |
| 213 | |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 214 | /* DC or PWM output fan configuration */ |
| 215 | static const u8 NCT6775_REG_PWM_MODE[] = { 0x04, 0x04, 0x12 }; |
| 216 | static const u8 NCT6775_PWM_MODE_MASK[] = { 0x01, 0x02, 0x01 }; |
| 217 | |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 218 | /* Advanced Fan control, some values are common for all fans */ |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 219 | |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 220 | static const u16 NCT6775_REG_TARGET[] = { 0x101, 0x201, 0x301, 0x801, 0x901 }; |
| 221 | static const u16 NCT6775_REG_FAN_MODE[] = { 0x102, 0x202, 0x302, 0x802, 0x902 }; |
| 222 | static const u16 NCT6775_REG_FAN_STEP_DOWN_TIME[] = { |
| 223 | 0x103, 0x203, 0x303, 0x803, 0x903 }; |
| 224 | static const u16 NCT6775_REG_FAN_STEP_UP_TIME[] = { |
| 225 | 0x104, 0x204, 0x304, 0x804, 0x904 }; |
| 226 | static const u16 NCT6775_REG_FAN_STOP_OUTPUT[] = { |
| 227 | 0x105, 0x205, 0x305, 0x805, 0x905 }; |
| 228 | static const u16 NCT6775_REG_FAN_START_OUTPUT[] |
| 229 | = { 0x106, 0x206, 0x306, 0x806, 0x906 }; |
| 230 | static const u16 NCT6775_REG_FAN_MAX_OUTPUT[] = { 0x10a, 0x20a, 0x30a }; |
| 231 | static const u16 NCT6775_REG_FAN_STEP_OUTPUT[] = { 0x10b, 0x20b, 0x30b }; |
| 232 | |
| 233 | static const u16 NCT6775_REG_FAN_STOP_TIME[] = { |
| 234 | 0x107, 0x207, 0x307, 0x807, 0x907 }; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 235 | static const u16 NCT6775_REG_PWM[] = { 0x109, 0x209, 0x309, 0x809, 0x909 }; |
| 236 | static const u16 NCT6775_REG_PWM_READ[] = { 0x01, 0x03, 0x11, 0x13, 0x15 }; |
| 237 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 238 | static const u16 NCT6775_REG_FAN[] = { 0x630, 0x632, 0x634, 0x636, 0x638 }; |
| 239 | static const u16 NCT6775_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d }; |
Guenter Roeck | 5c25d95 | 2012-12-11 07:29:06 -0800 | [diff] [blame] | 240 | static const u16 NCT6775_REG_FAN_PULSES[] = { 0x641, 0x642, 0x643, 0x644, 0 }; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 241 | |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 242 | static const u16 NCT6775_REG_TEMP[] = { |
| 243 | 0x27, 0x150, 0x250, 0x62b, 0x62c, 0x62d }; |
| 244 | |
| 245 | static const u16 NCT6775_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6775_REG_TEMP)] = { |
| 246 | 0, 0x152, 0x252, 0x628, 0x629, 0x62A }; |
| 247 | static const u16 NCT6775_REG_TEMP_HYST[ARRAY_SIZE(NCT6775_REG_TEMP)] = { |
| 248 | 0x3a, 0x153, 0x253, 0x673, 0x678, 0x67D }; |
| 249 | static const u16 NCT6775_REG_TEMP_OVER[ARRAY_SIZE(NCT6775_REG_TEMP)] = { |
| 250 | 0x39, 0x155, 0x255, 0x672, 0x677, 0x67C }; |
| 251 | |
| 252 | static const u16 NCT6775_REG_TEMP_SOURCE[ARRAY_SIZE(NCT6775_REG_TEMP)] = { |
| 253 | 0x621, 0x622, 0x623, 0x624, 0x625, 0x626 }; |
| 254 | |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 255 | static const u16 NCT6775_REG_TEMP_SEL[] = { |
| 256 | 0x100, 0x200, 0x300, 0x800, 0x900 }; |
| 257 | |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 258 | static const u16 NCT6775_REG_WEIGHT_TEMP_SEL[] = { |
| 259 | 0x139, 0x239, 0x339, 0x839, 0x939 }; |
| 260 | static const u16 NCT6775_REG_WEIGHT_TEMP_STEP[] = { |
| 261 | 0x13a, 0x23a, 0x33a, 0x83a, 0x93a }; |
| 262 | static const u16 NCT6775_REG_WEIGHT_TEMP_STEP_TOL[] = { |
| 263 | 0x13b, 0x23b, 0x33b, 0x83b, 0x93b }; |
| 264 | static const u16 NCT6775_REG_WEIGHT_DUTY_STEP[] = { |
| 265 | 0x13c, 0x23c, 0x33c, 0x83c, 0x93c }; |
| 266 | static const u16 NCT6775_REG_WEIGHT_TEMP_BASE[] = { |
| 267 | 0x13d, 0x23d, 0x33d, 0x83d, 0x93d }; |
| 268 | |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 269 | static const u16 NCT6775_REG_TEMP_OFFSET[] = { 0x454, 0x455, 0x456 }; |
| 270 | |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 271 | static const u16 NCT6775_REG_AUTO_TEMP[] = { |
| 272 | 0x121, 0x221, 0x321, 0x821, 0x921 }; |
| 273 | static const u16 NCT6775_REG_AUTO_PWM[] = { |
| 274 | 0x127, 0x227, 0x327, 0x827, 0x927 }; |
| 275 | |
| 276 | #define NCT6775_AUTO_TEMP(data, nr, p) ((data)->REG_AUTO_TEMP[nr] + (p)) |
| 277 | #define NCT6775_AUTO_PWM(data, nr, p) ((data)->REG_AUTO_PWM[nr] + (p)) |
| 278 | |
| 279 | static const u16 NCT6775_REG_CRITICAL_ENAB[] = { 0x134, 0x234, 0x334 }; |
| 280 | |
| 281 | static const u16 NCT6775_REG_CRITICAL_TEMP[] = { |
| 282 | 0x135, 0x235, 0x335, 0x835, 0x935 }; |
| 283 | static const u16 NCT6775_REG_CRITICAL_TEMP_TOLERANCE[] = { |
| 284 | 0x138, 0x238, 0x338, 0x838, 0x938 }; |
| 285 | |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 286 | static const char *const nct6775_temp_label[] = { |
| 287 | "", |
| 288 | "SYSTIN", |
| 289 | "CPUTIN", |
| 290 | "AUXTIN", |
| 291 | "AMD SB-TSI", |
| 292 | "PECI Agent 0", |
| 293 | "PECI Agent 1", |
| 294 | "PECI Agent 2", |
| 295 | "PECI Agent 3", |
| 296 | "PECI Agent 4", |
| 297 | "PECI Agent 5", |
| 298 | "PECI Agent 6", |
| 299 | "PECI Agent 7", |
| 300 | "PCH_CHIP_CPU_MAX_TEMP", |
| 301 | "PCH_CHIP_TEMP", |
| 302 | "PCH_CPU_TEMP", |
| 303 | "PCH_MCH_TEMP", |
| 304 | "PCH_DIM0_TEMP", |
| 305 | "PCH_DIM1_TEMP", |
| 306 | "PCH_DIM2_TEMP", |
| 307 | "PCH_DIM3_TEMP" |
| 308 | }; |
| 309 | |
| 310 | static const u16 NCT6775_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6775_temp_label) - 1] |
| 311 | = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x661, 0x662, 0x664 }; |
| 312 | |
| 313 | static const u16 NCT6775_REG_TEMP_CRIT[ARRAY_SIZE(nct6775_temp_label) - 1] |
| 314 | = { 0, 0, 0, 0, 0xa00, 0xa01, 0xa02, 0xa03, 0xa04, 0xa05, 0xa06, |
| 315 | 0xa07 }; |
| 316 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 317 | /* NCT6776 specific data */ |
| 318 | |
| 319 | static const s8 NCT6776_ALARM_BITS[] = { |
| 320 | 0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */ |
| 321 | 17, -1, -1, -1, -1, -1, -1, /* in8..in14 */ |
| 322 | -1, /* unused */ |
| 323 | 6, 7, 11, 10, 23, /* fan1..fan5 */ |
| 324 | -1, -1, -1, /* unused */ |
| 325 | 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ |
| 326 | 12, 9 }; /* intrusion0, intrusion1 */ |
| 327 | |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 328 | static const u16 NCT6776_REG_TOLERANCE_H[] = { |
| 329 | 0x10c, 0x20c, 0x30c, 0x80c, 0x90c }; |
| 330 | |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 331 | static const u8 NCT6776_REG_PWM_MODE[] = { 0x04, 0, 0 }; |
| 332 | static const u8 NCT6776_PWM_MODE_MASK[] = { 0x01, 0, 0 }; |
| 333 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 334 | static const u16 NCT6776_REG_FAN_MIN[] = { 0x63a, 0x63c, 0x63e, 0x640, 0x642 }; |
Guenter Roeck | 5c25d95 | 2012-12-11 07:29:06 -0800 | [diff] [blame] | 335 | static const u16 NCT6776_REG_FAN_PULSES[] = { 0x644, 0x645, 0x646, 0, 0 }; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 336 | |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 337 | static const u16 NCT6776_REG_WEIGHT_DUTY_BASE[] = { |
| 338 | 0x13e, 0x23e, 0x33e, 0x83e, 0x93e }; |
| 339 | |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 340 | static const u16 NCT6776_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6775_REG_TEMP)] = { |
| 341 | 0x18, 0x152, 0x252, 0x628, 0x629, 0x62A }; |
| 342 | |
| 343 | static const char *const nct6776_temp_label[] = { |
| 344 | "", |
| 345 | "SYSTIN", |
| 346 | "CPUTIN", |
| 347 | "AUXTIN", |
| 348 | "SMBUSMASTER 0", |
| 349 | "SMBUSMASTER 1", |
| 350 | "SMBUSMASTER 2", |
| 351 | "SMBUSMASTER 3", |
| 352 | "SMBUSMASTER 4", |
| 353 | "SMBUSMASTER 5", |
| 354 | "SMBUSMASTER 6", |
| 355 | "SMBUSMASTER 7", |
| 356 | "PECI Agent 0", |
| 357 | "PECI Agent 1", |
| 358 | "PCH_CHIP_CPU_MAX_TEMP", |
| 359 | "PCH_CHIP_TEMP", |
| 360 | "PCH_CPU_TEMP", |
| 361 | "PCH_MCH_TEMP", |
| 362 | "PCH_DIM0_TEMP", |
| 363 | "PCH_DIM1_TEMP", |
| 364 | "PCH_DIM2_TEMP", |
| 365 | "PCH_DIM3_TEMP", |
| 366 | "BYTE_TEMP" |
| 367 | }; |
| 368 | |
| 369 | static const u16 NCT6776_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6776_temp_label) - 1] |
| 370 | = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x401, 0x402, 0x404 }; |
| 371 | |
| 372 | static const u16 NCT6776_REG_TEMP_CRIT[ARRAY_SIZE(nct6776_temp_label) - 1] |
| 373 | = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x709, 0x70a }; |
| 374 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 375 | /* NCT6779 specific data */ |
| 376 | |
| 377 | static const u16 NCT6779_REG_IN[] = { |
| 378 | 0x480, 0x481, 0x482, 0x483, 0x484, 0x485, 0x486, 0x487, |
| 379 | 0x488, 0x489, 0x48a, 0x48b, 0x48c, 0x48d, 0x48e }; |
| 380 | |
| 381 | static const u16 NCT6779_REG_ALARM[NUM_REG_ALARM] = { |
| 382 | 0x459, 0x45A, 0x45B, 0x568 }; |
| 383 | |
| 384 | static const s8 NCT6779_ALARM_BITS[] = { |
| 385 | 0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */ |
| 386 | 17, 24, 25, 26, 27, 28, 29, /* in8..in14 */ |
| 387 | -1, /* unused */ |
| 388 | 6, 7, 11, 10, 23, /* fan1..fan5 */ |
| 389 | -1, -1, -1, /* unused */ |
| 390 | 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ |
| 391 | 12, 9 }; /* intrusion0, intrusion1 */ |
| 392 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 393 | static const u16 NCT6779_REG_FAN[] = { 0x4b0, 0x4b2, 0x4b4, 0x4b6, 0x4b8 }; |
Guenter Roeck | 5c25d95 | 2012-12-11 07:29:06 -0800 | [diff] [blame] | 394 | static const u16 NCT6779_REG_FAN_PULSES[] = { |
| 395 | 0x644, 0x645, 0x646, 0x647, 0x648 }; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 396 | |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 397 | static const u16 NCT6779_REG_CRITICAL_PWM_ENABLE[] = { |
| 398 | 0x136, 0x236, 0x336, 0x836, 0x936 }; |
| 399 | static const u16 NCT6779_REG_CRITICAL_PWM[] = { |
| 400 | 0x137, 0x237, 0x337, 0x837, 0x937 }; |
| 401 | |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 402 | static const u16 NCT6779_REG_TEMP[] = { 0x27, 0x150 }; |
| 403 | static const u16 NCT6779_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6779_REG_TEMP)] = { |
| 404 | 0x18, 0x152 }; |
| 405 | static const u16 NCT6779_REG_TEMP_HYST[ARRAY_SIZE(NCT6779_REG_TEMP)] = { |
| 406 | 0x3a, 0x153 }; |
| 407 | static const u16 NCT6779_REG_TEMP_OVER[ARRAY_SIZE(NCT6779_REG_TEMP)] = { |
| 408 | 0x39, 0x155 }; |
| 409 | |
| 410 | static const u16 NCT6779_REG_TEMP_OFFSET[] = { |
| 411 | 0x454, 0x455, 0x456, 0x44a, 0x44b, 0x44c }; |
| 412 | |
| 413 | static const char *const nct6779_temp_label[] = { |
| 414 | "", |
| 415 | "SYSTIN", |
| 416 | "CPUTIN", |
| 417 | "AUXTIN0", |
| 418 | "AUXTIN1", |
| 419 | "AUXTIN2", |
| 420 | "AUXTIN3", |
| 421 | "", |
| 422 | "SMBUSMASTER 0", |
| 423 | "SMBUSMASTER 1", |
| 424 | "SMBUSMASTER 2", |
| 425 | "SMBUSMASTER 3", |
| 426 | "SMBUSMASTER 4", |
| 427 | "SMBUSMASTER 5", |
| 428 | "SMBUSMASTER 6", |
| 429 | "SMBUSMASTER 7", |
| 430 | "PECI Agent 0", |
| 431 | "PECI Agent 1", |
| 432 | "PCH_CHIP_CPU_MAX_TEMP", |
| 433 | "PCH_CHIP_TEMP", |
| 434 | "PCH_CPU_TEMP", |
| 435 | "PCH_MCH_TEMP", |
| 436 | "PCH_DIM0_TEMP", |
| 437 | "PCH_DIM1_TEMP", |
| 438 | "PCH_DIM2_TEMP", |
| 439 | "PCH_DIM3_TEMP", |
| 440 | "BYTE_TEMP" |
| 441 | }; |
| 442 | |
| 443 | static const u16 NCT6779_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6779_temp_label) - 1] |
| 444 | = { 0x490, 0x491, 0x492, 0x493, 0x494, 0x495, 0, 0, |
| 445 | 0, 0, 0, 0, 0, 0, 0, 0, |
| 446 | 0, 0x400, 0x401, 0x402, 0x404, 0x405, 0x406, 0x407, |
| 447 | 0x408, 0 }; |
| 448 | |
| 449 | static const u16 NCT6779_REG_TEMP_CRIT[ARRAY_SIZE(nct6779_temp_label) - 1] |
| 450 | = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x709, 0x70a }; |
| 451 | |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 452 | static enum pwm_enable reg_to_pwm_enable(int pwm, int mode) |
| 453 | { |
| 454 | if (mode == 0 && pwm == 255) |
| 455 | return off; |
| 456 | return mode + 1; |
| 457 | } |
| 458 | |
| 459 | static int pwm_enable_to_reg(enum pwm_enable mode) |
| 460 | { |
| 461 | if (mode == off) |
| 462 | return 0; |
| 463 | return mode - 1; |
| 464 | } |
| 465 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 466 | /* |
| 467 | * Conversions |
| 468 | */ |
| 469 | |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 470 | /* 1 is DC mode, output in ms */ |
| 471 | static unsigned int step_time_from_reg(u8 reg, u8 mode) |
| 472 | { |
| 473 | return mode ? 400 * reg : 100 * reg; |
| 474 | } |
| 475 | |
| 476 | static u8 step_time_to_reg(unsigned int msec, u8 mode) |
| 477 | { |
| 478 | return clamp_val((mode ? (msec + 200) / 400 : |
| 479 | (msec + 50) / 100), 1, 255); |
| 480 | } |
| 481 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 482 | static unsigned int fan_from_reg8(u16 reg, unsigned int divreg) |
| 483 | { |
| 484 | if (reg == 0 || reg == 255) |
| 485 | return 0; |
| 486 | return 1350000U / (reg << divreg); |
| 487 | } |
| 488 | |
| 489 | static unsigned int fan_from_reg13(u16 reg, unsigned int divreg) |
| 490 | { |
| 491 | if ((reg & 0xff1f) == 0xff1f) |
| 492 | return 0; |
| 493 | |
| 494 | reg = (reg & 0x1f) | ((reg & 0xff00) >> 3); |
| 495 | |
| 496 | if (reg == 0) |
| 497 | return 0; |
| 498 | |
| 499 | return 1350000U / reg; |
| 500 | } |
| 501 | |
| 502 | static unsigned int fan_from_reg16(u16 reg, unsigned int divreg) |
| 503 | { |
| 504 | if (reg == 0 || reg == 0xffff) |
| 505 | return 0; |
| 506 | |
| 507 | /* |
| 508 | * Even though the registers are 16 bit wide, the fan divisor |
| 509 | * still applies. |
| 510 | */ |
| 511 | return 1350000U / (reg << divreg); |
| 512 | } |
| 513 | |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 514 | static u16 fan_to_reg(u32 fan, unsigned int divreg) |
| 515 | { |
| 516 | if (!fan) |
| 517 | return 0; |
| 518 | |
| 519 | return (1350000U / fan) >> divreg; |
| 520 | } |
| 521 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 522 | static inline unsigned int |
| 523 | div_from_reg(u8 reg) |
| 524 | { |
| 525 | return 1 << reg; |
| 526 | } |
| 527 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 528 | /* |
| 529 | * Some of the voltage inputs have internal scaling, the tables below |
| 530 | * contain 8 (the ADC LSB in mV) * scaling factor * 100 |
| 531 | */ |
| 532 | static const u16 scale_in[15] = { |
| 533 | 800, 800, 1600, 1600, 800, 800, 800, 1600, 1600, 800, 800, 800, 800, |
| 534 | 800, 800 |
| 535 | }; |
| 536 | |
| 537 | static inline long in_from_reg(u8 reg, u8 nr) |
| 538 | { |
| 539 | return DIV_ROUND_CLOSEST(reg * scale_in[nr], 100); |
| 540 | } |
| 541 | |
| 542 | static inline u8 in_to_reg(u32 val, u8 nr) |
| 543 | { |
| 544 | return clamp_val(DIV_ROUND_CLOSEST(val * 100, scale_in[nr]), 0, 255); |
| 545 | } |
| 546 | |
| 547 | /* |
| 548 | * Data structures and manipulation thereof |
| 549 | */ |
| 550 | |
| 551 | struct nct6775_data { |
| 552 | int addr; /* IO base of hw monitor block */ |
| 553 | enum kinds kind; |
| 554 | const char *name; |
| 555 | |
| 556 | struct device *hwmon_dev; |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 557 | |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 558 | u16 reg_temp[4][NUM_TEMP]; /* 0=temp, 1=temp_over, 2=temp_hyst, |
| 559 | * 3=temp_crit |
| 560 | */ |
| 561 | u8 temp_src[NUM_TEMP]; |
| 562 | u16 reg_temp_config[NUM_TEMP]; |
| 563 | const char * const *temp_label; |
| 564 | int temp_label_num; |
| 565 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 566 | u16 REG_CONFIG; |
| 567 | u16 REG_VBAT; |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 568 | u16 REG_DIODE; |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 569 | |
| 570 | const s8 *ALARM_BITS; |
| 571 | |
| 572 | const u16 *REG_VIN; |
| 573 | const u16 *REG_IN_MINMAX[2]; |
| 574 | |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 575 | const u16 *REG_TARGET; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 576 | const u16 *REG_FAN; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 577 | const u16 *REG_FAN_MODE; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 578 | const u16 *REG_FAN_MIN; |
Guenter Roeck | 5c25d95 | 2012-12-11 07:29:06 -0800 | [diff] [blame] | 579 | const u16 *REG_FAN_PULSES; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 580 | const u16 *REG_FAN_TIME[3]; |
| 581 | |
| 582 | const u16 *REG_TOLERANCE_H; |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 583 | |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 584 | const u8 *REG_PWM_MODE; |
| 585 | const u8 *PWM_MODE_MASK; |
| 586 | |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 587 | const u16 *REG_PWM[7]; /* [0]=pwm, [1]=pwm_start, [2]=pwm_floor, |
| 588 | * [3]=pwm_max, [4]=pwm_step, |
| 589 | * [5]=weight_duty_step, [6]=weight_duty_base |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 590 | */ |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 591 | const u16 *REG_PWM_READ; |
| 592 | |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 593 | const u16 *REG_AUTO_TEMP; |
| 594 | const u16 *REG_AUTO_PWM; |
| 595 | |
| 596 | const u16 *REG_CRITICAL_TEMP; |
| 597 | const u16 *REG_CRITICAL_TEMP_TOLERANCE; |
| 598 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 599 | const u16 *REG_TEMP_SOURCE; /* temp register sources */ |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 600 | const u16 *REG_TEMP_SEL; |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 601 | const u16 *REG_WEIGHT_TEMP_SEL; |
| 602 | const u16 *REG_WEIGHT_TEMP[3]; /* 0=base, 1=tolerance, 2=step */ |
| 603 | |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 604 | const u16 *REG_TEMP_OFFSET; |
| 605 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 606 | const u16 *REG_ALARM; |
| 607 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 608 | unsigned int (*fan_from_reg)(u16 reg, unsigned int divreg); |
| 609 | unsigned int (*fan_from_reg_min)(u16 reg, unsigned int divreg); |
| 610 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 611 | struct mutex update_lock; |
| 612 | bool valid; /* true if following fields are valid */ |
| 613 | unsigned long last_updated; /* In jiffies */ |
| 614 | |
| 615 | /* Register values */ |
| 616 | u8 bank; /* current register bank */ |
| 617 | u8 in_num; /* number of in inputs we have */ |
| 618 | u8 in[15][3]; /* [0]=in, [1]=in_max, [2]=in_min */ |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 619 | unsigned int rpm[5]; |
| 620 | u16 fan_min[5]; |
Guenter Roeck | 5c25d95 | 2012-12-11 07:29:06 -0800 | [diff] [blame] | 621 | u8 fan_pulses[5]; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 622 | u8 fan_div[5]; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 623 | u8 has_pwm; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 624 | u8 has_fan; /* some fan inputs can be disabled */ |
| 625 | u8 has_fan_min; /* some fans don't have min register */ |
| 626 | bool has_fan_div; |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 627 | |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 628 | u8 temp_fixed_num; /* 3 or 6 */ |
| 629 | u8 temp_type[NUM_TEMP_FIXED]; |
| 630 | s8 temp_offset[NUM_TEMP_FIXED]; |
| 631 | s16 temp[4][NUM_TEMP]; /* 0=temp, 1=temp_over, 2=temp_hyst, |
| 632 | * 3=temp_crit */ |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 633 | u64 alarms; |
| 634 | |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 635 | u8 pwm_num; /* number of pwm */ |
| 636 | u8 pwm_mode[5]; /* 1->DC variable voltage, 0->PWM variable duty cycle */ |
| 637 | enum pwm_enable pwm_enable[5]; |
| 638 | /* 0->off |
| 639 | * 1->manual |
| 640 | * 2->thermal cruise mode (also called SmartFan I) |
| 641 | * 3->fan speed cruise mode |
| 642 | * 4->SmartFan III |
| 643 | * 5->enhanced variable thermal cruise (SmartFan IV) |
| 644 | */ |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 645 | u8 pwm[7][5]; /* [0]=pwm, [1]=pwm_start, [2]=pwm_floor, |
| 646 | * [3]=pwm_max, [4]=pwm_step, |
| 647 | * [5]=weight_duty_step, [6]=weight_duty_base |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 648 | */ |
| 649 | |
| 650 | u8 target_temp[5]; |
| 651 | u8 target_temp_mask; |
| 652 | u32 target_speed[5]; |
| 653 | u32 target_speed_tolerance[5]; |
| 654 | u8 speed_tolerance_limit; |
| 655 | |
| 656 | u8 temp_tolerance[2][5]; |
| 657 | u8 tolerance_mask; |
| 658 | |
| 659 | u8 fan_time[3][5]; /* 0 = stop_time, 1 = step_up, 2 = step_down */ |
| 660 | |
| 661 | /* Automatic fan speed control registers */ |
| 662 | int auto_pwm_num; |
| 663 | u8 auto_pwm[5][7]; |
| 664 | u8 auto_temp[5][7]; |
| 665 | u8 pwm_temp_sel[5]; |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 666 | u8 pwm_weight_temp_sel[5]; |
| 667 | u8 weight_temp[3][5]; /* 0->temp_step, 1->temp_step_tol, |
| 668 | * 2->temp_base |
| 669 | */ |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 670 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 671 | u8 vid; |
| 672 | u8 vrm; |
| 673 | |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 674 | u16 have_temp; |
| 675 | u16 have_temp_fixed; |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 676 | u16 have_in; |
Guenter Roeck | 84d19d9 | 2012-12-04 08:01:39 -0800 | [diff] [blame] | 677 | #ifdef CONFIG_PM |
| 678 | /* Remember extra register values over suspend/resume */ |
| 679 | u8 vbat; |
| 680 | u8 fandiv1; |
| 681 | u8 fandiv2; |
| 682 | #endif |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 683 | }; |
| 684 | |
| 685 | struct nct6775_sio_data { |
| 686 | int sioreg; |
| 687 | enum kinds kind; |
| 688 | }; |
| 689 | |
| 690 | static bool is_word_sized(struct nct6775_data *data, u16 reg) |
| 691 | { |
| 692 | switch (data->kind) { |
| 693 | case nct6775: |
| 694 | return (((reg & 0xff00) == 0x100 || |
| 695 | (reg & 0xff00) == 0x200) && |
| 696 | ((reg & 0x00ff) == 0x50 || |
| 697 | (reg & 0x00ff) == 0x53 || |
| 698 | (reg & 0x00ff) == 0x55)) || |
| 699 | (reg & 0xfff0) == 0x630 || |
| 700 | reg == 0x640 || reg == 0x642 || |
| 701 | reg == 0x662 || |
| 702 | ((reg & 0xfff0) == 0x650 && (reg & 0x000f) >= 0x06) || |
| 703 | reg == 0x73 || reg == 0x75 || reg == 0x77; |
| 704 | case nct6776: |
| 705 | return (((reg & 0xff00) == 0x100 || |
| 706 | (reg & 0xff00) == 0x200) && |
| 707 | ((reg & 0x00ff) == 0x50 || |
| 708 | (reg & 0x00ff) == 0x53 || |
| 709 | (reg & 0x00ff) == 0x55)) || |
| 710 | (reg & 0xfff0) == 0x630 || |
| 711 | reg == 0x402 || |
| 712 | reg == 0x640 || reg == 0x642 || |
| 713 | ((reg & 0xfff0) == 0x650 && (reg & 0x000f) >= 0x06) || |
| 714 | reg == 0x73 || reg == 0x75 || reg == 0x77; |
| 715 | case nct6779: |
| 716 | return reg == 0x150 || reg == 0x153 || reg == 0x155 || |
| 717 | ((reg & 0xfff0) == 0x4b0 && (reg & 0x000f) < 0x09) || |
| 718 | reg == 0x402 || |
| 719 | reg == 0x63a || reg == 0x63c || reg == 0x63e || |
| 720 | reg == 0x640 || reg == 0x642 || |
| 721 | reg == 0x73 || reg == 0x75 || reg == 0x77 || reg == 0x79 || |
| 722 | reg == 0x7b; |
| 723 | } |
| 724 | return false; |
| 725 | } |
| 726 | |
| 727 | /* |
| 728 | * On older chips, only registers 0x50-0x5f are banked. |
| 729 | * On more recent chips, all registers are banked. |
| 730 | * Assume that is the case and set the bank number for each access. |
| 731 | * Cache the bank number so it only needs to be set if it changes. |
| 732 | */ |
| 733 | static inline void nct6775_set_bank(struct nct6775_data *data, u16 reg) |
| 734 | { |
| 735 | u8 bank = reg >> 8; |
| 736 | if (data->bank != bank) { |
| 737 | outb_p(NCT6775_REG_BANK, data->addr + ADDR_REG_OFFSET); |
| 738 | outb_p(bank, data->addr + DATA_REG_OFFSET); |
| 739 | data->bank = bank; |
| 740 | } |
| 741 | } |
| 742 | |
| 743 | static u16 nct6775_read_value(struct nct6775_data *data, u16 reg) |
| 744 | { |
| 745 | int res, word_sized = is_word_sized(data, reg); |
| 746 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 747 | nct6775_set_bank(data, reg); |
| 748 | outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET); |
| 749 | res = inb_p(data->addr + DATA_REG_OFFSET); |
| 750 | if (word_sized) { |
| 751 | outb_p((reg & 0xff) + 1, |
| 752 | data->addr + ADDR_REG_OFFSET); |
| 753 | res = (res << 8) + inb_p(data->addr + DATA_REG_OFFSET); |
| 754 | } |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 755 | return res; |
| 756 | } |
| 757 | |
| 758 | static int nct6775_write_value(struct nct6775_data *data, u16 reg, u16 value) |
| 759 | { |
| 760 | int word_sized = is_word_sized(data, reg); |
| 761 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 762 | nct6775_set_bank(data, reg); |
| 763 | outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET); |
| 764 | if (word_sized) { |
| 765 | outb_p(value >> 8, data->addr + DATA_REG_OFFSET); |
| 766 | outb_p((reg & 0xff) + 1, |
| 767 | data->addr + ADDR_REG_OFFSET); |
| 768 | } |
| 769 | outb_p(value & 0xff, data->addr + DATA_REG_OFFSET); |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 770 | return 0; |
| 771 | } |
| 772 | |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 773 | /* We left-align 8-bit temperature values to make the code simpler */ |
| 774 | static u16 nct6775_read_temp(struct nct6775_data *data, u16 reg) |
| 775 | { |
| 776 | u16 res; |
| 777 | |
| 778 | res = nct6775_read_value(data, reg); |
| 779 | if (!is_word_sized(data, reg)) |
| 780 | res <<= 8; |
| 781 | |
| 782 | return res; |
| 783 | } |
| 784 | |
| 785 | static int nct6775_write_temp(struct nct6775_data *data, u16 reg, u16 value) |
| 786 | { |
| 787 | if (!is_word_sized(data, reg)) |
| 788 | value >>= 8; |
| 789 | return nct6775_write_value(data, reg, value); |
| 790 | } |
| 791 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 792 | /* This function assumes that the caller holds data->update_lock */ |
| 793 | static void nct6775_write_fan_div(struct nct6775_data *data, int nr) |
| 794 | { |
| 795 | u8 reg; |
| 796 | |
| 797 | switch (nr) { |
| 798 | case 0: |
| 799 | reg = (nct6775_read_value(data, NCT6775_REG_FANDIV1) & 0x70) |
| 800 | | (data->fan_div[0] & 0x7); |
| 801 | nct6775_write_value(data, NCT6775_REG_FANDIV1, reg); |
| 802 | break; |
| 803 | case 1: |
| 804 | reg = (nct6775_read_value(data, NCT6775_REG_FANDIV1) & 0x7) |
| 805 | | ((data->fan_div[1] << 4) & 0x70); |
| 806 | nct6775_write_value(data, NCT6775_REG_FANDIV1, reg); |
| 807 | break; |
| 808 | case 2: |
| 809 | reg = (nct6775_read_value(data, NCT6775_REG_FANDIV2) & 0x70) |
| 810 | | (data->fan_div[2] & 0x7); |
| 811 | nct6775_write_value(data, NCT6775_REG_FANDIV2, reg); |
| 812 | break; |
| 813 | case 3: |
| 814 | reg = (nct6775_read_value(data, NCT6775_REG_FANDIV2) & 0x7) |
| 815 | | ((data->fan_div[3] << 4) & 0x70); |
| 816 | nct6775_write_value(data, NCT6775_REG_FANDIV2, reg); |
| 817 | break; |
| 818 | } |
| 819 | } |
| 820 | |
| 821 | static void nct6775_write_fan_div_common(struct nct6775_data *data, int nr) |
| 822 | { |
| 823 | if (data->kind == nct6775) |
| 824 | nct6775_write_fan_div(data, nr); |
| 825 | } |
| 826 | |
| 827 | static void nct6775_update_fan_div(struct nct6775_data *data) |
| 828 | { |
| 829 | u8 i; |
| 830 | |
| 831 | i = nct6775_read_value(data, NCT6775_REG_FANDIV1); |
| 832 | data->fan_div[0] = i & 0x7; |
| 833 | data->fan_div[1] = (i & 0x70) >> 4; |
| 834 | i = nct6775_read_value(data, NCT6775_REG_FANDIV2); |
| 835 | data->fan_div[2] = i & 0x7; |
| 836 | if (data->has_fan & (1<<3)) |
| 837 | data->fan_div[3] = (i & 0x70) >> 4; |
| 838 | } |
| 839 | |
| 840 | static void nct6775_update_fan_div_common(struct nct6775_data *data) |
| 841 | { |
| 842 | if (data->kind == nct6775) |
| 843 | nct6775_update_fan_div(data); |
| 844 | } |
| 845 | |
| 846 | static void nct6775_init_fan_div(struct nct6775_data *data) |
| 847 | { |
| 848 | int i; |
| 849 | |
| 850 | nct6775_update_fan_div_common(data); |
| 851 | /* |
| 852 | * For all fans, start with highest divider value if the divider |
| 853 | * register is not initialized. This ensures that we get a |
| 854 | * reading from the fan count register, even if it is not optimal. |
| 855 | * We'll compute a better divider later on. |
| 856 | */ |
| 857 | for (i = 0; i < 3; i++) { |
| 858 | if (!(data->has_fan & (1 << i))) |
| 859 | continue; |
| 860 | if (data->fan_div[i] == 0) { |
| 861 | data->fan_div[i] = 7; |
| 862 | nct6775_write_fan_div_common(data, i); |
| 863 | } |
| 864 | } |
| 865 | } |
| 866 | |
| 867 | static void nct6775_init_fan_common(struct device *dev, |
| 868 | struct nct6775_data *data) |
| 869 | { |
| 870 | int i; |
| 871 | u8 reg; |
| 872 | |
| 873 | if (data->has_fan_div) |
| 874 | nct6775_init_fan_div(data); |
| 875 | |
| 876 | /* |
| 877 | * If fan_min is not set (0), set it to 0xff to disable it. This |
| 878 | * prevents the unnecessary warning when fanX_min is reported as 0. |
| 879 | */ |
| 880 | for (i = 0; i < 5; i++) { |
| 881 | if (data->has_fan_min & (1 << i)) { |
| 882 | reg = nct6775_read_value(data, data->REG_FAN_MIN[i]); |
| 883 | if (!reg) |
| 884 | nct6775_write_value(data, data->REG_FAN_MIN[i], |
| 885 | data->has_fan_div ? 0xff |
| 886 | : 0xff1f); |
| 887 | } |
| 888 | } |
| 889 | } |
| 890 | |
| 891 | static void nct6775_select_fan_div(struct device *dev, |
| 892 | struct nct6775_data *data, int nr, u16 reg) |
| 893 | { |
| 894 | u8 fan_div = data->fan_div[nr]; |
| 895 | u16 fan_min; |
| 896 | |
| 897 | if (!data->has_fan_div) |
| 898 | return; |
| 899 | |
| 900 | /* |
| 901 | * If we failed to measure the fan speed, or the reported value is not |
| 902 | * in the optimal range, and the clock divider can be modified, |
| 903 | * let's try that for next time. |
| 904 | */ |
| 905 | if (reg == 0x00 && fan_div < 0x07) |
| 906 | fan_div++; |
| 907 | else if (reg != 0x00 && reg < 0x30 && fan_div > 0) |
| 908 | fan_div--; |
| 909 | |
| 910 | if (fan_div != data->fan_div[nr]) { |
| 911 | dev_dbg(dev, "Modifying fan%d clock divider from %u to %u\n", |
| 912 | nr + 1, div_from_reg(data->fan_div[nr]), |
| 913 | div_from_reg(fan_div)); |
| 914 | |
| 915 | /* Preserve min limit if possible */ |
| 916 | if (data->has_fan_min & (1 << nr)) { |
| 917 | fan_min = data->fan_min[nr]; |
| 918 | if (fan_div > data->fan_div[nr]) { |
| 919 | if (fan_min != 255 && fan_min > 1) |
| 920 | fan_min >>= 1; |
| 921 | } else { |
| 922 | if (fan_min != 255) { |
| 923 | fan_min <<= 1; |
| 924 | if (fan_min > 254) |
| 925 | fan_min = 254; |
| 926 | } |
| 927 | } |
| 928 | if (fan_min != data->fan_min[nr]) { |
| 929 | data->fan_min[nr] = fan_min; |
| 930 | nct6775_write_value(data, data->REG_FAN_MIN[nr], |
| 931 | fan_min); |
| 932 | } |
| 933 | } |
| 934 | data->fan_div[nr] = fan_div; |
| 935 | nct6775_write_fan_div_common(data, nr); |
| 936 | } |
| 937 | } |
| 938 | |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 939 | static void nct6775_update_pwm(struct device *dev) |
| 940 | { |
| 941 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 942 | int i, j; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 943 | int fanmodecfg, reg; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 944 | bool duty_is_dc; |
| 945 | |
| 946 | for (i = 0; i < data->pwm_num; i++) { |
| 947 | if (!(data->has_pwm & (1 << i))) |
| 948 | continue; |
| 949 | |
| 950 | duty_is_dc = data->REG_PWM_MODE[i] && |
| 951 | (nct6775_read_value(data, data->REG_PWM_MODE[i]) |
| 952 | & data->PWM_MODE_MASK[i]); |
| 953 | data->pwm_mode[i] = duty_is_dc; |
| 954 | |
| 955 | fanmodecfg = nct6775_read_value(data, data->REG_FAN_MODE[i]); |
| 956 | for (j = 0; j < ARRAY_SIZE(data->REG_PWM); j++) { |
| 957 | if (data->REG_PWM[j] && data->REG_PWM[j][i]) { |
| 958 | data->pwm[j][i] |
| 959 | = nct6775_read_value(data, |
| 960 | data->REG_PWM[j][i]); |
| 961 | } |
| 962 | } |
| 963 | |
| 964 | data->pwm_enable[i] = reg_to_pwm_enable(data->pwm[0][i], |
| 965 | (fanmodecfg >> 4) & 7); |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 966 | |
| 967 | if (!data->temp_tolerance[0][i] || |
| 968 | data->pwm_enable[i] != speed_cruise) |
| 969 | data->temp_tolerance[0][i] = fanmodecfg & 0x0f; |
| 970 | if (!data->target_speed_tolerance[i] || |
| 971 | data->pwm_enable[i] == speed_cruise) { |
| 972 | u8 t = fanmodecfg & 0x0f; |
| 973 | if (data->REG_TOLERANCE_H) { |
| 974 | t |= (nct6775_read_value(data, |
| 975 | data->REG_TOLERANCE_H[i]) & 0x70) >> 1; |
| 976 | } |
| 977 | data->target_speed_tolerance[i] = t; |
| 978 | } |
| 979 | |
| 980 | data->temp_tolerance[1][i] = |
| 981 | nct6775_read_value(data, |
| 982 | data->REG_CRITICAL_TEMP_TOLERANCE[i]); |
| 983 | |
| 984 | reg = nct6775_read_value(data, data->REG_TEMP_SEL[i]); |
| 985 | data->pwm_temp_sel[i] = reg & 0x1f; |
| 986 | /* If fan can stop, report floor as 0 */ |
| 987 | if (reg & 0x80) |
| 988 | data->pwm[2][i] = 0; |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 989 | |
| 990 | reg = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[i]); |
| 991 | data->pwm_weight_temp_sel[i] = reg & 0x1f; |
| 992 | /* If weight is disabled, report weight source as 0 */ |
| 993 | if (j == 1 && !(reg & 0x80)) |
| 994 | data->pwm_weight_temp_sel[i] = 0; |
| 995 | |
| 996 | /* Weight temp data */ |
| 997 | for (j = 0; j < 3; j++) { |
| 998 | data->weight_temp[j][i] |
| 999 | = nct6775_read_value(data, |
| 1000 | data->REG_WEIGHT_TEMP[j][i]); |
| 1001 | } |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 1002 | } |
| 1003 | } |
| 1004 | |
| 1005 | static void nct6775_update_pwm_limits(struct device *dev) |
| 1006 | { |
| 1007 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 1008 | int i, j; |
| 1009 | u8 reg; |
| 1010 | u16 reg_t; |
| 1011 | |
| 1012 | for (i = 0; i < data->pwm_num; i++) { |
| 1013 | if (!(data->has_pwm & (1 << i))) |
| 1014 | continue; |
| 1015 | |
| 1016 | for (j = 0; j < 3; j++) { |
| 1017 | data->fan_time[j][i] = |
| 1018 | nct6775_read_value(data, data->REG_FAN_TIME[j][i]); |
| 1019 | } |
| 1020 | |
| 1021 | reg_t = nct6775_read_value(data, data->REG_TARGET[i]); |
| 1022 | /* Update only in matching mode or if never updated */ |
| 1023 | if (!data->target_temp[i] || |
| 1024 | data->pwm_enable[i] == thermal_cruise) |
| 1025 | data->target_temp[i] = reg_t & data->target_temp_mask; |
| 1026 | if (!data->target_speed[i] || |
| 1027 | data->pwm_enable[i] == speed_cruise) { |
| 1028 | if (data->REG_TOLERANCE_H) { |
| 1029 | reg_t |= (nct6775_read_value(data, |
| 1030 | data->REG_TOLERANCE_H[i]) & 0x0f) << 8; |
| 1031 | } |
| 1032 | data->target_speed[i] = reg_t; |
| 1033 | } |
| 1034 | |
| 1035 | for (j = 0; j < data->auto_pwm_num; j++) { |
| 1036 | data->auto_pwm[i][j] = |
| 1037 | nct6775_read_value(data, |
| 1038 | NCT6775_AUTO_PWM(data, i, j)); |
| 1039 | data->auto_temp[i][j] = |
| 1040 | nct6775_read_value(data, |
| 1041 | NCT6775_AUTO_TEMP(data, i, j)); |
| 1042 | } |
| 1043 | |
| 1044 | /* critical auto_pwm temperature data */ |
| 1045 | data->auto_temp[i][data->auto_pwm_num] = |
| 1046 | nct6775_read_value(data, data->REG_CRITICAL_TEMP[i]); |
| 1047 | |
| 1048 | switch (data->kind) { |
| 1049 | case nct6775: |
| 1050 | reg = nct6775_read_value(data, |
| 1051 | NCT6775_REG_CRITICAL_ENAB[i]); |
| 1052 | data->auto_pwm[i][data->auto_pwm_num] = |
| 1053 | (reg & 0x02) ? 0xff : 0x00; |
| 1054 | break; |
| 1055 | case nct6776: |
| 1056 | data->auto_pwm[i][data->auto_pwm_num] = 0xff; |
| 1057 | break; |
| 1058 | case nct6779: |
| 1059 | reg = nct6775_read_value(data, |
| 1060 | NCT6779_REG_CRITICAL_PWM_ENABLE[i]); |
| 1061 | if (reg & 1) |
| 1062 | data->auto_pwm[i][data->auto_pwm_num] = |
| 1063 | nct6775_read_value(data, |
| 1064 | NCT6779_REG_CRITICAL_PWM[i]); |
| 1065 | else |
| 1066 | data->auto_pwm[i][data->auto_pwm_num] = 0xff; |
| 1067 | break; |
| 1068 | } |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 1069 | } |
| 1070 | } |
| 1071 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 1072 | static struct nct6775_data *nct6775_update_device(struct device *dev) |
| 1073 | { |
| 1074 | struct nct6775_data *data = dev_get_drvdata(dev); |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 1075 | int i, j; |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 1076 | |
| 1077 | mutex_lock(&data->update_lock); |
| 1078 | |
| 1079 | if (time_after(jiffies, data->last_updated + HZ + HZ/2) |
| 1080 | || !data->valid) { |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 1081 | /* Fan clock dividers */ |
| 1082 | nct6775_update_fan_div_common(data); |
| 1083 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 1084 | /* Measured voltages and limits */ |
| 1085 | for (i = 0; i < data->in_num; i++) { |
| 1086 | if (!(data->have_in & (1 << i))) |
| 1087 | continue; |
| 1088 | |
| 1089 | data->in[i][0] = nct6775_read_value(data, |
| 1090 | data->REG_VIN[i]); |
| 1091 | data->in[i][1] = nct6775_read_value(data, |
| 1092 | data->REG_IN_MINMAX[0][i]); |
| 1093 | data->in[i][2] = nct6775_read_value(data, |
| 1094 | data->REG_IN_MINMAX[1][i]); |
| 1095 | } |
| 1096 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 1097 | /* Measured fan speeds and limits */ |
| 1098 | for (i = 0; i < 5; i++) { |
| 1099 | u16 reg; |
| 1100 | |
| 1101 | if (!(data->has_fan & (1 << i))) |
| 1102 | continue; |
| 1103 | |
| 1104 | reg = nct6775_read_value(data, data->REG_FAN[i]); |
| 1105 | data->rpm[i] = data->fan_from_reg(reg, |
| 1106 | data->fan_div[i]); |
| 1107 | |
| 1108 | if (data->has_fan_min & (1 << i)) |
| 1109 | data->fan_min[i] = nct6775_read_value(data, |
| 1110 | data->REG_FAN_MIN[i]); |
Guenter Roeck | 5c25d95 | 2012-12-11 07:29:06 -0800 | [diff] [blame] | 1111 | data->fan_pulses[i] = |
| 1112 | nct6775_read_value(data, data->REG_FAN_PULSES[i]); |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 1113 | |
| 1114 | nct6775_select_fan_div(dev, data, i, reg); |
| 1115 | } |
| 1116 | |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 1117 | nct6775_update_pwm(dev); |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 1118 | nct6775_update_pwm_limits(dev); |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 1119 | |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 1120 | /* Measured temperatures and limits */ |
| 1121 | for (i = 0; i < NUM_TEMP; i++) { |
| 1122 | if (!(data->have_temp & (1 << i))) |
| 1123 | continue; |
| 1124 | for (j = 0; j < 4; j++) { |
| 1125 | if (data->reg_temp[j][i]) |
| 1126 | data->temp[j][i] |
| 1127 | = nct6775_read_temp(data, |
| 1128 | data->reg_temp[j][i]); |
| 1129 | } |
| 1130 | if (!(data->have_temp_fixed & (1 << i))) |
| 1131 | continue; |
| 1132 | data->temp_offset[i] |
| 1133 | = nct6775_read_value(data, data->REG_TEMP_OFFSET[i]); |
| 1134 | } |
| 1135 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 1136 | data->alarms = 0; |
| 1137 | for (i = 0; i < NUM_REG_ALARM; i++) { |
| 1138 | u8 alarm; |
| 1139 | if (!data->REG_ALARM[i]) |
| 1140 | continue; |
| 1141 | alarm = nct6775_read_value(data, data->REG_ALARM[i]); |
| 1142 | data->alarms |= ((u64)alarm) << (i << 3); |
| 1143 | } |
| 1144 | |
| 1145 | data->last_updated = jiffies; |
| 1146 | data->valid = true; |
| 1147 | } |
| 1148 | |
| 1149 | mutex_unlock(&data->update_lock); |
| 1150 | return data; |
| 1151 | } |
| 1152 | |
| 1153 | /* |
| 1154 | * Sysfs callback functions |
| 1155 | */ |
| 1156 | static ssize_t |
| 1157 | show_in_reg(struct device *dev, struct device_attribute *attr, char *buf) |
| 1158 | { |
| 1159 | struct nct6775_data *data = nct6775_update_device(dev); |
| 1160 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); |
| 1161 | int nr = sattr->nr; |
| 1162 | int index = sattr->index; |
| 1163 | return sprintf(buf, "%ld\n", in_from_reg(data->in[nr][index], nr)); |
| 1164 | } |
| 1165 | |
| 1166 | static ssize_t |
| 1167 | store_in_reg(struct device *dev, struct device_attribute *attr, const char *buf, |
| 1168 | size_t count) |
| 1169 | { |
| 1170 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 1171 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); |
| 1172 | int nr = sattr->nr; |
| 1173 | int index = sattr->index; |
| 1174 | unsigned long val; |
| 1175 | int err = kstrtoul(buf, 10, &val); |
| 1176 | if (err < 0) |
| 1177 | return err; |
| 1178 | mutex_lock(&data->update_lock); |
| 1179 | data->in[nr][index] = in_to_reg(val, nr); |
| 1180 | nct6775_write_value(data, data->REG_IN_MINMAX[index-1][nr], |
| 1181 | data->in[nr][index]); |
| 1182 | mutex_unlock(&data->update_lock); |
| 1183 | return count; |
| 1184 | } |
| 1185 | |
| 1186 | static ssize_t |
| 1187 | show_alarm(struct device *dev, struct device_attribute *attr, char *buf) |
| 1188 | { |
| 1189 | struct nct6775_data *data = nct6775_update_device(dev); |
| 1190 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 1191 | int nr = data->ALARM_BITS[sattr->index]; |
| 1192 | return sprintf(buf, "%u\n", |
| 1193 | (unsigned int)((data->alarms >> nr) & 0x01)); |
| 1194 | } |
| 1195 | |
| 1196 | static SENSOR_DEVICE_ATTR_2(in0_input, S_IRUGO, show_in_reg, NULL, 0, 0); |
| 1197 | static SENSOR_DEVICE_ATTR_2(in1_input, S_IRUGO, show_in_reg, NULL, 1, 0); |
| 1198 | static SENSOR_DEVICE_ATTR_2(in2_input, S_IRUGO, show_in_reg, NULL, 2, 0); |
| 1199 | static SENSOR_DEVICE_ATTR_2(in3_input, S_IRUGO, show_in_reg, NULL, 3, 0); |
| 1200 | static SENSOR_DEVICE_ATTR_2(in4_input, S_IRUGO, show_in_reg, NULL, 4, 0); |
| 1201 | static SENSOR_DEVICE_ATTR_2(in5_input, S_IRUGO, show_in_reg, NULL, 5, 0); |
| 1202 | static SENSOR_DEVICE_ATTR_2(in6_input, S_IRUGO, show_in_reg, NULL, 6, 0); |
| 1203 | static SENSOR_DEVICE_ATTR_2(in7_input, S_IRUGO, show_in_reg, NULL, 7, 0); |
| 1204 | static SENSOR_DEVICE_ATTR_2(in8_input, S_IRUGO, show_in_reg, NULL, 8, 0); |
| 1205 | static SENSOR_DEVICE_ATTR_2(in9_input, S_IRUGO, show_in_reg, NULL, 9, 0); |
| 1206 | static SENSOR_DEVICE_ATTR_2(in10_input, S_IRUGO, show_in_reg, NULL, 10, 0); |
| 1207 | static SENSOR_DEVICE_ATTR_2(in11_input, S_IRUGO, show_in_reg, NULL, 11, 0); |
| 1208 | static SENSOR_DEVICE_ATTR_2(in12_input, S_IRUGO, show_in_reg, NULL, 12, 0); |
| 1209 | static SENSOR_DEVICE_ATTR_2(in13_input, S_IRUGO, show_in_reg, NULL, 13, 0); |
| 1210 | static SENSOR_DEVICE_ATTR_2(in14_input, S_IRUGO, show_in_reg, NULL, 14, 0); |
| 1211 | |
| 1212 | static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); |
| 1213 | static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); |
| 1214 | static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); |
| 1215 | static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); |
| 1216 | static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 4); |
| 1217 | static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 5); |
| 1218 | static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 6); |
| 1219 | static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 7); |
| 1220 | static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 8); |
| 1221 | static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 9); |
| 1222 | static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 10); |
| 1223 | static SENSOR_DEVICE_ATTR(in11_alarm, S_IRUGO, show_alarm, NULL, 11); |
| 1224 | static SENSOR_DEVICE_ATTR(in12_alarm, S_IRUGO, show_alarm, NULL, 12); |
| 1225 | static SENSOR_DEVICE_ATTR(in13_alarm, S_IRUGO, show_alarm, NULL, 13); |
| 1226 | static SENSOR_DEVICE_ATTR(in14_alarm, S_IRUGO, show_alarm, NULL, 14); |
| 1227 | |
| 1228 | static SENSOR_DEVICE_ATTR_2(in0_min, S_IWUSR | S_IRUGO, show_in_reg, |
| 1229 | store_in_reg, 0, 1); |
| 1230 | static SENSOR_DEVICE_ATTR_2(in1_min, S_IWUSR | S_IRUGO, show_in_reg, |
| 1231 | store_in_reg, 1, 1); |
| 1232 | static SENSOR_DEVICE_ATTR_2(in2_min, S_IWUSR | S_IRUGO, show_in_reg, |
| 1233 | store_in_reg, 2, 1); |
| 1234 | static SENSOR_DEVICE_ATTR_2(in3_min, S_IWUSR | S_IRUGO, show_in_reg, |
| 1235 | store_in_reg, 3, 1); |
| 1236 | static SENSOR_DEVICE_ATTR_2(in4_min, S_IWUSR | S_IRUGO, show_in_reg, |
| 1237 | store_in_reg, 4, 1); |
| 1238 | static SENSOR_DEVICE_ATTR_2(in5_min, S_IWUSR | S_IRUGO, show_in_reg, |
| 1239 | store_in_reg, 5, 1); |
| 1240 | static SENSOR_DEVICE_ATTR_2(in6_min, S_IWUSR | S_IRUGO, show_in_reg, |
| 1241 | store_in_reg, 6, 1); |
| 1242 | static SENSOR_DEVICE_ATTR_2(in7_min, S_IWUSR | S_IRUGO, show_in_reg, |
| 1243 | store_in_reg, 7, 1); |
| 1244 | static SENSOR_DEVICE_ATTR_2(in8_min, S_IWUSR | S_IRUGO, show_in_reg, |
| 1245 | store_in_reg, 8, 1); |
| 1246 | static SENSOR_DEVICE_ATTR_2(in9_min, S_IWUSR | S_IRUGO, show_in_reg, |
| 1247 | store_in_reg, 9, 1); |
| 1248 | static SENSOR_DEVICE_ATTR_2(in10_min, S_IWUSR | S_IRUGO, show_in_reg, |
| 1249 | store_in_reg, 10, 1); |
| 1250 | static SENSOR_DEVICE_ATTR_2(in11_min, S_IWUSR | S_IRUGO, show_in_reg, |
| 1251 | store_in_reg, 11, 1); |
| 1252 | static SENSOR_DEVICE_ATTR_2(in12_min, S_IWUSR | S_IRUGO, show_in_reg, |
| 1253 | store_in_reg, 12, 1); |
| 1254 | static SENSOR_DEVICE_ATTR_2(in13_min, S_IWUSR | S_IRUGO, show_in_reg, |
| 1255 | store_in_reg, 13, 1); |
| 1256 | static SENSOR_DEVICE_ATTR_2(in14_min, S_IWUSR | S_IRUGO, show_in_reg, |
| 1257 | store_in_reg, 14, 1); |
| 1258 | |
| 1259 | static SENSOR_DEVICE_ATTR_2(in0_max, S_IWUSR | S_IRUGO, show_in_reg, |
| 1260 | store_in_reg, 0, 2); |
| 1261 | static SENSOR_DEVICE_ATTR_2(in1_max, S_IWUSR | S_IRUGO, show_in_reg, |
| 1262 | store_in_reg, 1, 2); |
| 1263 | static SENSOR_DEVICE_ATTR_2(in2_max, S_IWUSR | S_IRUGO, show_in_reg, |
| 1264 | store_in_reg, 2, 2); |
| 1265 | static SENSOR_DEVICE_ATTR_2(in3_max, S_IWUSR | S_IRUGO, show_in_reg, |
| 1266 | store_in_reg, 3, 2); |
| 1267 | static SENSOR_DEVICE_ATTR_2(in4_max, S_IWUSR | S_IRUGO, show_in_reg, |
| 1268 | store_in_reg, 4, 2); |
| 1269 | static SENSOR_DEVICE_ATTR_2(in5_max, S_IWUSR | S_IRUGO, show_in_reg, |
| 1270 | store_in_reg, 5, 2); |
| 1271 | static SENSOR_DEVICE_ATTR_2(in6_max, S_IWUSR | S_IRUGO, show_in_reg, |
| 1272 | store_in_reg, 6, 2); |
| 1273 | static SENSOR_DEVICE_ATTR_2(in7_max, S_IWUSR | S_IRUGO, show_in_reg, |
| 1274 | store_in_reg, 7, 2); |
| 1275 | static SENSOR_DEVICE_ATTR_2(in8_max, S_IWUSR | S_IRUGO, show_in_reg, |
| 1276 | store_in_reg, 8, 2); |
| 1277 | static SENSOR_DEVICE_ATTR_2(in9_max, S_IWUSR | S_IRUGO, show_in_reg, |
| 1278 | store_in_reg, 9, 2); |
| 1279 | static SENSOR_DEVICE_ATTR_2(in10_max, S_IWUSR | S_IRUGO, show_in_reg, |
| 1280 | store_in_reg, 10, 2); |
| 1281 | static SENSOR_DEVICE_ATTR_2(in11_max, S_IWUSR | S_IRUGO, show_in_reg, |
| 1282 | store_in_reg, 11, 2); |
| 1283 | static SENSOR_DEVICE_ATTR_2(in12_max, S_IWUSR | S_IRUGO, show_in_reg, |
| 1284 | store_in_reg, 12, 2); |
| 1285 | static SENSOR_DEVICE_ATTR_2(in13_max, S_IWUSR | S_IRUGO, show_in_reg, |
| 1286 | store_in_reg, 13, 2); |
| 1287 | static SENSOR_DEVICE_ATTR_2(in14_max, S_IWUSR | S_IRUGO, show_in_reg, |
| 1288 | store_in_reg, 14, 2); |
| 1289 | |
| 1290 | static struct attribute *nct6775_attributes_in[15][5] = { |
| 1291 | { |
| 1292 | &sensor_dev_attr_in0_input.dev_attr.attr, |
| 1293 | &sensor_dev_attr_in0_min.dev_attr.attr, |
| 1294 | &sensor_dev_attr_in0_max.dev_attr.attr, |
| 1295 | &sensor_dev_attr_in0_alarm.dev_attr.attr, |
| 1296 | NULL |
| 1297 | }, |
| 1298 | { |
| 1299 | &sensor_dev_attr_in1_input.dev_attr.attr, |
| 1300 | &sensor_dev_attr_in1_min.dev_attr.attr, |
| 1301 | &sensor_dev_attr_in1_max.dev_attr.attr, |
| 1302 | &sensor_dev_attr_in1_alarm.dev_attr.attr, |
| 1303 | NULL |
| 1304 | }, |
| 1305 | { |
| 1306 | &sensor_dev_attr_in2_input.dev_attr.attr, |
| 1307 | &sensor_dev_attr_in2_min.dev_attr.attr, |
| 1308 | &sensor_dev_attr_in2_max.dev_attr.attr, |
| 1309 | &sensor_dev_attr_in2_alarm.dev_attr.attr, |
| 1310 | NULL |
| 1311 | }, |
| 1312 | { |
| 1313 | &sensor_dev_attr_in3_input.dev_attr.attr, |
| 1314 | &sensor_dev_attr_in3_min.dev_attr.attr, |
| 1315 | &sensor_dev_attr_in3_max.dev_attr.attr, |
| 1316 | &sensor_dev_attr_in3_alarm.dev_attr.attr, |
| 1317 | NULL |
| 1318 | }, |
| 1319 | { |
| 1320 | &sensor_dev_attr_in4_input.dev_attr.attr, |
| 1321 | &sensor_dev_attr_in4_min.dev_attr.attr, |
| 1322 | &sensor_dev_attr_in4_max.dev_attr.attr, |
| 1323 | &sensor_dev_attr_in4_alarm.dev_attr.attr, |
| 1324 | NULL |
| 1325 | }, |
| 1326 | { |
| 1327 | &sensor_dev_attr_in5_input.dev_attr.attr, |
| 1328 | &sensor_dev_attr_in5_min.dev_attr.attr, |
| 1329 | &sensor_dev_attr_in5_max.dev_attr.attr, |
| 1330 | &sensor_dev_attr_in5_alarm.dev_attr.attr, |
| 1331 | NULL |
| 1332 | }, |
| 1333 | { |
| 1334 | &sensor_dev_attr_in6_input.dev_attr.attr, |
| 1335 | &sensor_dev_attr_in6_min.dev_attr.attr, |
| 1336 | &sensor_dev_attr_in6_max.dev_attr.attr, |
| 1337 | &sensor_dev_attr_in6_alarm.dev_attr.attr, |
| 1338 | NULL |
| 1339 | }, |
| 1340 | { |
| 1341 | &sensor_dev_attr_in7_input.dev_attr.attr, |
| 1342 | &sensor_dev_attr_in7_min.dev_attr.attr, |
| 1343 | &sensor_dev_attr_in7_max.dev_attr.attr, |
| 1344 | &sensor_dev_attr_in7_alarm.dev_attr.attr, |
| 1345 | NULL |
| 1346 | }, |
| 1347 | { |
| 1348 | &sensor_dev_attr_in8_input.dev_attr.attr, |
| 1349 | &sensor_dev_attr_in8_min.dev_attr.attr, |
| 1350 | &sensor_dev_attr_in8_max.dev_attr.attr, |
| 1351 | &sensor_dev_attr_in8_alarm.dev_attr.attr, |
| 1352 | NULL |
| 1353 | }, |
| 1354 | { |
| 1355 | &sensor_dev_attr_in9_input.dev_attr.attr, |
| 1356 | &sensor_dev_attr_in9_min.dev_attr.attr, |
| 1357 | &sensor_dev_attr_in9_max.dev_attr.attr, |
| 1358 | &sensor_dev_attr_in9_alarm.dev_attr.attr, |
| 1359 | NULL |
| 1360 | }, |
| 1361 | { |
| 1362 | &sensor_dev_attr_in10_input.dev_attr.attr, |
| 1363 | &sensor_dev_attr_in10_min.dev_attr.attr, |
| 1364 | &sensor_dev_attr_in10_max.dev_attr.attr, |
| 1365 | &sensor_dev_attr_in10_alarm.dev_attr.attr, |
| 1366 | NULL |
| 1367 | }, |
| 1368 | { |
| 1369 | &sensor_dev_attr_in11_input.dev_attr.attr, |
| 1370 | &sensor_dev_attr_in11_min.dev_attr.attr, |
| 1371 | &sensor_dev_attr_in11_max.dev_attr.attr, |
| 1372 | &sensor_dev_attr_in11_alarm.dev_attr.attr, |
| 1373 | NULL |
| 1374 | }, |
| 1375 | { |
| 1376 | &sensor_dev_attr_in12_input.dev_attr.attr, |
| 1377 | &sensor_dev_attr_in12_min.dev_attr.attr, |
| 1378 | &sensor_dev_attr_in12_max.dev_attr.attr, |
| 1379 | &sensor_dev_attr_in12_alarm.dev_attr.attr, |
| 1380 | NULL |
| 1381 | }, |
| 1382 | { |
| 1383 | &sensor_dev_attr_in13_input.dev_attr.attr, |
| 1384 | &sensor_dev_attr_in13_min.dev_attr.attr, |
| 1385 | &sensor_dev_attr_in13_max.dev_attr.attr, |
| 1386 | &sensor_dev_attr_in13_alarm.dev_attr.attr, |
| 1387 | NULL |
| 1388 | }, |
| 1389 | { |
| 1390 | &sensor_dev_attr_in14_input.dev_attr.attr, |
| 1391 | &sensor_dev_attr_in14_min.dev_attr.attr, |
| 1392 | &sensor_dev_attr_in14_max.dev_attr.attr, |
| 1393 | &sensor_dev_attr_in14_alarm.dev_attr.attr, |
| 1394 | NULL |
| 1395 | }, |
| 1396 | }; |
| 1397 | |
| 1398 | static const struct attribute_group nct6775_group_in[15] = { |
| 1399 | { .attrs = nct6775_attributes_in[0] }, |
| 1400 | { .attrs = nct6775_attributes_in[1] }, |
| 1401 | { .attrs = nct6775_attributes_in[2] }, |
| 1402 | { .attrs = nct6775_attributes_in[3] }, |
| 1403 | { .attrs = nct6775_attributes_in[4] }, |
| 1404 | { .attrs = nct6775_attributes_in[5] }, |
| 1405 | { .attrs = nct6775_attributes_in[6] }, |
| 1406 | { .attrs = nct6775_attributes_in[7] }, |
| 1407 | { .attrs = nct6775_attributes_in[8] }, |
| 1408 | { .attrs = nct6775_attributes_in[9] }, |
| 1409 | { .attrs = nct6775_attributes_in[10] }, |
| 1410 | { .attrs = nct6775_attributes_in[11] }, |
| 1411 | { .attrs = nct6775_attributes_in[12] }, |
| 1412 | { .attrs = nct6775_attributes_in[13] }, |
| 1413 | { .attrs = nct6775_attributes_in[14] }, |
| 1414 | }; |
| 1415 | |
| 1416 | static ssize_t |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 1417 | show_fan(struct device *dev, struct device_attribute *attr, char *buf) |
| 1418 | { |
| 1419 | struct nct6775_data *data = nct6775_update_device(dev); |
| 1420 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 1421 | int nr = sattr->index; |
| 1422 | return sprintf(buf, "%d\n", data->rpm[nr]); |
| 1423 | } |
| 1424 | |
| 1425 | static ssize_t |
| 1426 | show_fan_min(struct device *dev, struct device_attribute *attr, char *buf) |
| 1427 | { |
| 1428 | struct nct6775_data *data = nct6775_update_device(dev); |
| 1429 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 1430 | int nr = sattr->index; |
| 1431 | return sprintf(buf, "%d\n", |
| 1432 | data->fan_from_reg_min(data->fan_min[nr], |
| 1433 | data->fan_div[nr])); |
| 1434 | } |
| 1435 | |
| 1436 | static ssize_t |
| 1437 | show_fan_div(struct device *dev, struct device_attribute *attr, char *buf) |
| 1438 | { |
| 1439 | struct nct6775_data *data = nct6775_update_device(dev); |
| 1440 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 1441 | int nr = sattr->index; |
| 1442 | return sprintf(buf, "%u\n", div_from_reg(data->fan_div[nr])); |
| 1443 | } |
| 1444 | |
| 1445 | static ssize_t |
| 1446 | store_fan_min(struct device *dev, struct device_attribute *attr, |
| 1447 | const char *buf, size_t count) |
| 1448 | { |
| 1449 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 1450 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 1451 | int nr = sattr->index; |
| 1452 | unsigned long val; |
| 1453 | int err; |
| 1454 | unsigned int reg; |
| 1455 | u8 new_div; |
| 1456 | |
| 1457 | err = kstrtoul(buf, 10, &val); |
| 1458 | if (err < 0) |
| 1459 | return err; |
| 1460 | |
| 1461 | mutex_lock(&data->update_lock); |
| 1462 | if (!data->has_fan_div) { |
| 1463 | /* NCT6776F or NCT6779D; we know this is a 13 bit register */ |
| 1464 | if (!val) { |
| 1465 | val = 0xff1f; |
| 1466 | } else { |
| 1467 | if (val > 1350000U) |
| 1468 | val = 135000U; |
| 1469 | val = 1350000U / val; |
| 1470 | val = (val & 0x1f) | ((val << 3) & 0xff00); |
| 1471 | } |
| 1472 | data->fan_min[nr] = val; |
| 1473 | goto write_min; /* Leave fan divider alone */ |
| 1474 | } |
| 1475 | if (!val) { |
| 1476 | /* No min limit, alarm disabled */ |
| 1477 | data->fan_min[nr] = 255; |
| 1478 | new_div = data->fan_div[nr]; /* No change */ |
| 1479 | dev_info(dev, "fan%u low limit and alarm disabled\n", nr + 1); |
| 1480 | goto write_div; |
| 1481 | } |
| 1482 | reg = 1350000U / val; |
| 1483 | if (reg >= 128 * 255) { |
| 1484 | /* |
| 1485 | * Speed below this value cannot possibly be represented, |
| 1486 | * even with the highest divider (128) |
| 1487 | */ |
| 1488 | data->fan_min[nr] = 254; |
| 1489 | new_div = 7; /* 128 == (1 << 7) */ |
| 1490 | dev_warn(dev, |
| 1491 | "fan%u low limit %lu below minimum %u, set to minimum\n", |
| 1492 | nr + 1, val, data->fan_from_reg_min(254, 7)); |
| 1493 | } else if (!reg) { |
| 1494 | /* |
| 1495 | * Speed above this value cannot possibly be represented, |
| 1496 | * even with the lowest divider (1) |
| 1497 | */ |
| 1498 | data->fan_min[nr] = 1; |
| 1499 | new_div = 0; /* 1 == (1 << 0) */ |
| 1500 | dev_warn(dev, |
| 1501 | "fan%u low limit %lu above maximum %u, set to maximum\n", |
| 1502 | nr + 1, val, data->fan_from_reg_min(1, 0)); |
| 1503 | } else { |
| 1504 | /* |
| 1505 | * Automatically pick the best divider, i.e. the one such |
| 1506 | * that the min limit will correspond to a register value |
| 1507 | * in the 96..192 range |
| 1508 | */ |
| 1509 | new_div = 0; |
| 1510 | while (reg > 192 && new_div < 7) { |
| 1511 | reg >>= 1; |
| 1512 | new_div++; |
| 1513 | } |
| 1514 | data->fan_min[nr] = reg; |
| 1515 | } |
| 1516 | |
| 1517 | write_div: |
| 1518 | /* |
| 1519 | * Write both the fan clock divider (if it changed) and the new |
| 1520 | * fan min (unconditionally) |
| 1521 | */ |
| 1522 | if (new_div != data->fan_div[nr]) { |
| 1523 | dev_dbg(dev, "fan%u clock divider changed from %u to %u\n", |
| 1524 | nr + 1, div_from_reg(data->fan_div[nr]), |
| 1525 | div_from_reg(new_div)); |
| 1526 | data->fan_div[nr] = new_div; |
| 1527 | nct6775_write_fan_div_common(data, nr); |
| 1528 | /* Give the chip time to sample a new speed value */ |
| 1529 | data->last_updated = jiffies; |
| 1530 | } |
| 1531 | |
| 1532 | write_min: |
| 1533 | nct6775_write_value(data, data->REG_FAN_MIN[nr], data->fan_min[nr]); |
| 1534 | mutex_unlock(&data->update_lock); |
| 1535 | |
| 1536 | return count; |
| 1537 | } |
| 1538 | |
Guenter Roeck | 5c25d95 | 2012-12-11 07:29:06 -0800 | [diff] [blame] | 1539 | static ssize_t |
| 1540 | show_fan_pulses(struct device *dev, struct device_attribute *attr, char *buf) |
| 1541 | { |
| 1542 | struct nct6775_data *data = nct6775_update_device(dev); |
| 1543 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 1544 | int p = data->fan_pulses[sattr->index]; |
| 1545 | |
| 1546 | return sprintf(buf, "%d\n", p ? : 4); |
| 1547 | } |
| 1548 | |
| 1549 | static ssize_t |
| 1550 | store_fan_pulses(struct device *dev, struct device_attribute *attr, |
| 1551 | const char *buf, size_t count) |
| 1552 | { |
| 1553 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 1554 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 1555 | int nr = sattr->index; |
| 1556 | unsigned long val; |
| 1557 | int err; |
| 1558 | |
| 1559 | err = kstrtoul(buf, 10, &val); |
| 1560 | if (err < 0) |
| 1561 | return err; |
| 1562 | |
| 1563 | if (val > 4) |
| 1564 | return -EINVAL; |
| 1565 | |
| 1566 | mutex_lock(&data->update_lock); |
| 1567 | data->fan_pulses[nr] = val & 3; |
| 1568 | nct6775_write_value(data, data->REG_FAN_PULSES[nr], val & 3); |
| 1569 | mutex_unlock(&data->update_lock); |
| 1570 | |
| 1571 | return count; |
| 1572 | } |
| 1573 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 1574 | static struct sensor_device_attribute sda_fan_input[] = { |
| 1575 | SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0), |
| 1576 | SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1), |
| 1577 | SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2), |
| 1578 | SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3), |
| 1579 | SENSOR_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4), |
| 1580 | }; |
| 1581 | |
| 1582 | static struct sensor_device_attribute sda_fan_alarm[] = { |
| 1583 | SENSOR_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, FAN_ALARM_BASE), |
| 1584 | SENSOR_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, FAN_ALARM_BASE + 1), |
| 1585 | SENSOR_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, FAN_ALARM_BASE + 2), |
| 1586 | SENSOR_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, FAN_ALARM_BASE + 3), |
| 1587 | SENSOR_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, FAN_ALARM_BASE + 4), |
| 1588 | }; |
| 1589 | |
| 1590 | static struct sensor_device_attribute sda_fan_min[] = { |
| 1591 | SENSOR_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, |
| 1592 | store_fan_min, 0), |
| 1593 | SENSOR_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, |
| 1594 | store_fan_min, 1), |
| 1595 | SENSOR_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, |
| 1596 | store_fan_min, 2), |
| 1597 | SENSOR_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, |
| 1598 | store_fan_min, 3), |
| 1599 | SENSOR_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min, |
| 1600 | store_fan_min, 4), |
| 1601 | }; |
| 1602 | |
Guenter Roeck | 5c25d95 | 2012-12-11 07:29:06 -0800 | [diff] [blame] | 1603 | static struct sensor_device_attribute sda_fan_pulses[] = { |
| 1604 | SENSOR_ATTR(fan1_pulses, S_IWUSR | S_IRUGO, show_fan_pulses, |
| 1605 | store_fan_pulses, 0), |
| 1606 | SENSOR_ATTR(fan2_pulses, S_IWUSR | S_IRUGO, show_fan_pulses, |
| 1607 | store_fan_pulses, 1), |
| 1608 | SENSOR_ATTR(fan3_pulses, S_IWUSR | S_IRUGO, show_fan_pulses, |
| 1609 | store_fan_pulses, 2), |
| 1610 | SENSOR_ATTR(fan4_pulses, S_IWUSR | S_IRUGO, show_fan_pulses, |
| 1611 | store_fan_pulses, 3), |
| 1612 | SENSOR_ATTR(fan5_pulses, S_IWUSR | S_IRUGO, show_fan_pulses, |
| 1613 | store_fan_pulses, 4), |
| 1614 | }; |
| 1615 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 1616 | static struct sensor_device_attribute sda_fan_div[] = { |
| 1617 | SENSOR_ATTR(fan1_div, S_IRUGO, show_fan_div, NULL, 0), |
| 1618 | SENSOR_ATTR(fan2_div, S_IRUGO, show_fan_div, NULL, 1), |
| 1619 | SENSOR_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2), |
| 1620 | SENSOR_ATTR(fan4_div, S_IRUGO, show_fan_div, NULL, 3), |
| 1621 | SENSOR_ATTR(fan5_div, S_IRUGO, show_fan_div, NULL, 4), |
| 1622 | }; |
| 1623 | |
| 1624 | static ssize_t |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 1625 | show_temp_label(struct device *dev, struct device_attribute *attr, char *buf) |
| 1626 | { |
| 1627 | struct nct6775_data *data = nct6775_update_device(dev); |
| 1628 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 1629 | int nr = sattr->index; |
| 1630 | return sprintf(buf, "%s\n", data->temp_label[data->temp_src[nr]]); |
| 1631 | } |
| 1632 | |
| 1633 | static ssize_t |
| 1634 | show_temp(struct device *dev, struct device_attribute *attr, char *buf) |
| 1635 | { |
| 1636 | struct nct6775_data *data = nct6775_update_device(dev); |
| 1637 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); |
| 1638 | int nr = sattr->nr; |
| 1639 | int index = sattr->index; |
| 1640 | |
| 1641 | return sprintf(buf, "%d\n", LM75_TEMP_FROM_REG(data->temp[index][nr])); |
| 1642 | } |
| 1643 | |
| 1644 | static ssize_t |
| 1645 | store_temp(struct device *dev, struct device_attribute *attr, const char *buf, |
| 1646 | size_t count) |
| 1647 | { |
| 1648 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 1649 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); |
| 1650 | int nr = sattr->nr; |
| 1651 | int index = sattr->index; |
| 1652 | int err; |
| 1653 | long val; |
| 1654 | |
| 1655 | err = kstrtol(buf, 10, &val); |
| 1656 | if (err < 0) |
| 1657 | return err; |
| 1658 | |
| 1659 | mutex_lock(&data->update_lock); |
| 1660 | data->temp[index][nr] = LM75_TEMP_TO_REG(val); |
| 1661 | nct6775_write_temp(data, data->reg_temp[index][nr], |
| 1662 | data->temp[index][nr]); |
| 1663 | mutex_unlock(&data->update_lock); |
| 1664 | return count; |
| 1665 | } |
| 1666 | |
| 1667 | static ssize_t |
| 1668 | show_temp_offset(struct device *dev, struct device_attribute *attr, char *buf) |
| 1669 | { |
| 1670 | struct nct6775_data *data = nct6775_update_device(dev); |
| 1671 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 1672 | |
| 1673 | return sprintf(buf, "%d\n", data->temp_offset[sattr->index] * 1000); |
| 1674 | } |
| 1675 | |
| 1676 | static ssize_t |
| 1677 | store_temp_offset(struct device *dev, struct device_attribute *attr, |
| 1678 | const char *buf, size_t count) |
| 1679 | { |
| 1680 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 1681 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 1682 | int nr = sattr->index; |
| 1683 | long val; |
| 1684 | int err; |
| 1685 | |
| 1686 | err = kstrtol(buf, 10, &val); |
| 1687 | if (err < 0) |
| 1688 | return err; |
| 1689 | |
| 1690 | val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127); |
| 1691 | |
| 1692 | mutex_lock(&data->update_lock); |
| 1693 | data->temp_offset[nr] = val; |
| 1694 | nct6775_write_value(data, data->REG_TEMP_OFFSET[nr], val); |
| 1695 | mutex_unlock(&data->update_lock); |
| 1696 | |
| 1697 | return count; |
| 1698 | } |
| 1699 | |
| 1700 | static ssize_t |
| 1701 | show_temp_type(struct device *dev, struct device_attribute *attr, char *buf) |
| 1702 | { |
| 1703 | struct nct6775_data *data = nct6775_update_device(dev); |
| 1704 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 1705 | int nr = sattr->index; |
| 1706 | return sprintf(buf, "%d\n", (int)data->temp_type[nr]); |
| 1707 | } |
| 1708 | |
| 1709 | static ssize_t |
| 1710 | store_temp_type(struct device *dev, struct device_attribute *attr, |
| 1711 | const char *buf, size_t count) |
| 1712 | { |
| 1713 | struct nct6775_data *data = nct6775_update_device(dev); |
| 1714 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 1715 | int nr = sattr->index; |
| 1716 | unsigned long val; |
| 1717 | int err; |
| 1718 | u8 vbat, diode, bit; |
| 1719 | |
| 1720 | err = kstrtoul(buf, 10, &val); |
| 1721 | if (err < 0) |
| 1722 | return err; |
| 1723 | |
| 1724 | if (val != 1 && val != 3 && val != 4) |
| 1725 | return -EINVAL; |
| 1726 | |
| 1727 | mutex_lock(&data->update_lock); |
| 1728 | |
| 1729 | data->temp_type[nr] = val; |
| 1730 | vbat = nct6775_read_value(data, data->REG_VBAT) & ~(0x02 << nr); |
| 1731 | diode = nct6775_read_value(data, data->REG_DIODE) & ~(0x02 << nr); |
| 1732 | bit = 0x02 << nr; |
| 1733 | switch (val) { |
| 1734 | case 1: /* CPU diode (diode, current mode) */ |
| 1735 | vbat |= bit; |
| 1736 | diode |= bit; |
| 1737 | break; |
| 1738 | case 3: /* diode, voltage mode */ |
| 1739 | vbat |= bit; |
| 1740 | break; |
| 1741 | case 4: /* thermistor */ |
| 1742 | break; |
| 1743 | } |
| 1744 | nct6775_write_value(data, data->REG_VBAT, vbat); |
| 1745 | nct6775_write_value(data, data->REG_DIODE, diode); |
| 1746 | |
| 1747 | mutex_unlock(&data->update_lock); |
| 1748 | return count; |
| 1749 | } |
| 1750 | |
| 1751 | static struct sensor_device_attribute_2 sda_temp_input[] = { |
| 1752 | SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0), |
| 1753 | SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 1, 0), |
| 1754 | SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 2, 0), |
| 1755 | SENSOR_ATTR_2(temp4_input, S_IRUGO, show_temp, NULL, 3, 0), |
| 1756 | SENSOR_ATTR_2(temp5_input, S_IRUGO, show_temp, NULL, 4, 0), |
| 1757 | SENSOR_ATTR_2(temp6_input, S_IRUGO, show_temp, NULL, 5, 0), |
| 1758 | SENSOR_ATTR_2(temp7_input, S_IRUGO, show_temp, NULL, 6, 0), |
| 1759 | SENSOR_ATTR_2(temp8_input, S_IRUGO, show_temp, NULL, 7, 0), |
| 1760 | SENSOR_ATTR_2(temp9_input, S_IRUGO, show_temp, NULL, 8, 0), |
| 1761 | SENSOR_ATTR_2(temp10_input, S_IRUGO, show_temp, NULL, 9, 0), |
| 1762 | }; |
| 1763 | |
| 1764 | static struct sensor_device_attribute sda_temp_label[] = { |
| 1765 | SENSOR_ATTR(temp1_label, S_IRUGO, show_temp_label, NULL, 0), |
| 1766 | SENSOR_ATTR(temp2_label, S_IRUGO, show_temp_label, NULL, 1), |
| 1767 | SENSOR_ATTR(temp3_label, S_IRUGO, show_temp_label, NULL, 2), |
| 1768 | SENSOR_ATTR(temp4_label, S_IRUGO, show_temp_label, NULL, 3), |
| 1769 | SENSOR_ATTR(temp5_label, S_IRUGO, show_temp_label, NULL, 4), |
| 1770 | SENSOR_ATTR(temp6_label, S_IRUGO, show_temp_label, NULL, 5), |
| 1771 | SENSOR_ATTR(temp7_label, S_IRUGO, show_temp_label, NULL, 6), |
| 1772 | SENSOR_ATTR(temp8_label, S_IRUGO, show_temp_label, NULL, 7), |
| 1773 | SENSOR_ATTR(temp9_label, S_IRUGO, show_temp_label, NULL, 8), |
| 1774 | SENSOR_ATTR(temp10_label, S_IRUGO, show_temp_label, NULL, 9), |
| 1775 | }; |
| 1776 | |
| 1777 | static struct sensor_device_attribute_2 sda_temp_max[] = { |
| 1778 | SENSOR_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1779 | 0, 1), |
| 1780 | SENSOR_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1781 | 1, 1), |
| 1782 | SENSOR_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1783 | 2, 1), |
| 1784 | SENSOR_ATTR_2(temp4_max, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1785 | 3, 1), |
| 1786 | SENSOR_ATTR_2(temp5_max, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1787 | 4, 1), |
| 1788 | SENSOR_ATTR_2(temp6_max, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1789 | 5, 1), |
| 1790 | SENSOR_ATTR_2(temp7_max, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1791 | 6, 1), |
| 1792 | SENSOR_ATTR_2(temp8_max, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1793 | 7, 1), |
| 1794 | SENSOR_ATTR_2(temp9_max, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1795 | 8, 1), |
| 1796 | SENSOR_ATTR_2(temp10_max, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1797 | 9, 1), |
| 1798 | }; |
| 1799 | |
| 1800 | static struct sensor_device_attribute_2 sda_temp_max_hyst[] = { |
| 1801 | SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1802 | 0, 2), |
| 1803 | SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1804 | 1, 2), |
| 1805 | SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1806 | 2, 2), |
| 1807 | SENSOR_ATTR_2(temp4_max_hyst, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1808 | 3, 2), |
| 1809 | SENSOR_ATTR_2(temp5_max_hyst, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1810 | 4, 2), |
| 1811 | SENSOR_ATTR_2(temp6_max_hyst, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1812 | 5, 2), |
| 1813 | SENSOR_ATTR_2(temp7_max_hyst, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1814 | 6, 2), |
| 1815 | SENSOR_ATTR_2(temp8_max_hyst, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1816 | 7, 2), |
| 1817 | SENSOR_ATTR_2(temp9_max_hyst, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1818 | 8, 2), |
| 1819 | SENSOR_ATTR_2(temp10_max_hyst, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1820 | 9, 2), |
| 1821 | }; |
| 1822 | |
| 1823 | static struct sensor_device_attribute_2 sda_temp_crit[] = { |
| 1824 | SENSOR_ATTR_2(temp1_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1825 | 0, 3), |
| 1826 | SENSOR_ATTR_2(temp2_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1827 | 1, 3), |
| 1828 | SENSOR_ATTR_2(temp3_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1829 | 2, 3), |
| 1830 | SENSOR_ATTR_2(temp4_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1831 | 3, 3), |
| 1832 | SENSOR_ATTR_2(temp5_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1833 | 4, 3), |
| 1834 | SENSOR_ATTR_2(temp6_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1835 | 5, 3), |
| 1836 | SENSOR_ATTR_2(temp7_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1837 | 6, 3), |
| 1838 | SENSOR_ATTR_2(temp8_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1839 | 7, 3), |
| 1840 | SENSOR_ATTR_2(temp9_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1841 | 8, 3), |
| 1842 | SENSOR_ATTR_2(temp10_crit, S_IRUGO | S_IWUSR, show_temp, store_temp, |
| 1843 | 9, 3), |
| 1844 | }; |
| 1845 | |
| 1846 | static struct sensor_device_attribute sda_temp_offset[] = { |
| 1847 | SENSOR_ATTR(temp1_offset, S_IRUGO | S_IWUSR, show_temp_offset, |
| 1848 | store_temp_offset, 0), |
| 1849 | SENSOR_ATTR(temp2_offset, S_IRUGO | S_IWUSR, show_temp_offset, |
| 1850 | store_temp_offset, 1), |
| 1851 | SENSOR_ATTR(temp3_offset, S_IRUGO | S_IWUSR, show_temp_offset, |
| 1852 | store_temp_offset, 2), |
| 1853 | SENSOR_ATTR(temp4_offset, S_IRUGO | S_IWUSR, show_temp_offset, |
| 1854 | store_temp_offset, 3), |
| 1855 | SENSOR_ATTR(temp5_offset, S_IRUGO | S_IWUSR, show_temp_offset, |
| 1856 | store_temp_offset, 4), |
| 1857 | SENSOR_ATTR(temp6_offset, S_IRUGO | S_IWUSR, show_temp_offset, |
| 1858 | store_temp_offset, 5), |
| 1859 | }; |
| 1860 | |
| 1861 | static struct sensor_device_attribute sda_temp_type[] = { |
| 1862 | SENSOR_ATTR(temp1_type, S_IRUGO | S_IWUSR, show_temp_type, |
| 1863 | store_temp_type, 0), |
| 1864 | SENSOR_ATTR(temp2_type, S_IRUGO | S_IWUSR, show_temp_type, |
| 1865 | store_temp_type, 1), |
| 1866 | SENSOR_ATTR(temp3_type, S_IRUGO | S_IWUSR, show_temp_type, |
| 1867 | store_temp_type, 2), |
| 1868 | SENSOR_ATTR(temp4_type, S_IRUGO | S_IWUSR, show_temp_type, |
| 1869 | store_temp_type, 3), |
| 1870 | SENSOR_ATTR(temp5_type, S_IRUGO | S_IWUSR, show_temp_type, |
| 1871 | store_temp_type, 4), |
| 1872 | SENSOR_ATTR(temp6_type, S_IRUGO | S_IWUSR, show_temp_type, |
| 1873 | store_temp_type, 5), |
| 1874 | }; |
| 1875 | |
| 1876 | static struct sensor_device_attribute sda_temp_alarm[] = { |
| 1877 | SENSOR_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, |
| 1878 | TEMP_ALARM_BASE), |
| 1879 | SENSOR_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, |
| 1880 | TEMP_ALARM_BASE + 1), |
| 1881 | SENSOR_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, |
| 1882 | TEMP_ALARM_BASE + 2), |
| 1883 | SENSOR_ATTR(temp4_alarm, S_IRUGO, show_alarm, NULL, |
| 1884 | TEMP_ALARM_BASE + 3), |
| 1885 | SENSOR_ATTR(temp5_alarm, S_IRUGO, show_alarm, NULL, |
| 1886 | TEMP_ALARM_BASE + 4), |
| 1887 | SENSOR_ATTR(temp6_alarm, S_IRUGO, show_alarm, NULL, |
| 1888 | TEMP_ALARM_BASE + 5), |
| 1889 | }; |
| 1890 | |
| 1891 | #define NUM_TEMP_ALARM ARRAY_SIZE(sda_temp_alarm) |
| 1892 | |
| 1893 | static ssize_t |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 1894 | show_pwm_mode(struct device *dev, struct device_attribute *attr, char *buf) |
| 1895 | { |
| 1896 | struct nct6775_data *data = nct6775_update_device(dev); |
| 1897 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 1898 | |
| 1899 | return sprintf(buf, "%d\n", !data->pwm_mode[sattr->index]); |
| 1900 | } |
| 1901 | |
| 1902 | static ssize_t |
| 1903 | store_pwm_mode(struct device *dev, struct device_attribute *attr, |
| 1904 | const char *buf, size_t count) |
| 1905 | { |
| 1906 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 1907 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 1908 | int nr = sattr->index; |
| 1909 | unsigned long val; |
| 1910 | int err; |
| 1911 | u8 reg; |
| 1912 | |
| 1913 | err = kstrtoul(buf, 10, &val); |
| 1914 | if (err < 0) |
| 1915 | return err; |
| 1916 | |
| 1917 | if (val > 1) |
| 1918 | return -EINVAL; |
| 1919 | |
| 1920 | /* Setting DC mode is not supported for all chips/channels */ |
| 1921 | if (data->REG_PWM_MODE[nr] == 0) { |
| 1922 | if (val) |
| 1923 | return -EINVAL; |
| 1924 | return count; |
| 1925 | } |
| 1926 | |
| 1927 | mutex_lock(&data->update_lock); |
| 1928 | data->pwm_mode[nr] = val; |
| 1929 | reg = nct6775_read_value(data, data->REG_PWM_MODE[nr]); |
| 1930 | reg &= ~data->PWM_MODE_MASK[nr]; |
| 1931 | if (val) |
| 1932 | reg |= data->PWM_MODE_MASK[nr]; |
| 1933 | nct6775_write_value(data, data->REG_PWM_MODE[nr], reg); |
| 1934 | mutex_unlock(&data->update_lock); |
| 1935 | return count; |
| 1936 | } |
| 1937 | |
| 1938 | static ssize_t |
| 1939 | show_pwm(struct device *dev, struct device_attribute *attr, char *buf) |
| 1940 | { |
| 1941 | struct nct6775_data *data = nct6775_update_device(dev); |
| 1942 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); |
| 1943 | int nr = sattr->nr; |
| 1944 | int index = sattr->index; |
| 1945 | int pwm; |
| 1946 | |
| 1947 | /* |
| 1948 | * For automatic fan control modes, show current pwm readings. |
| 1949 | * Otherwise, show the configured value. |
| 1950 | */ |
| 1951 | if (index == 0 && data->pwm_enable[nr] > manual) |
| 1952 | pwm = nct6775_read_value(data, data->REG_PWM_READ[nr]); |
| 1953 | else |
| 1954 | pwm = data->pwm[index][nr]; |
| 1955 | |
| 1956 | return sprintf(buf, "%d\n", pwm); |
| 1957 | } |
| 1958 | |
| 1959 | static ssize_t |
| 1960 | store_pwm(struct device *dev, struct device_attribute *attr, const char *buf, |
| 1961 | size_t count) |
| 1962 | { |
| 1963 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 1964 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); |
| 1965 | int nr = sattr->nr; |
| 1966 | int index = sattr->index; |
| 1967 | unsigned long val; |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 1968 | int minval[7] = { 0, 1, 1, data->pwm[2][nr], 0, 0, 0 }; |
| 1969 | int maxval[7] |
| 1970 | = { 255, 255, data->pwm[3][nr] ? : 255, 255, 255, 255, 255 }; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 1971 | int err; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 1972 | u8 reg; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 1973 | |
| 1974 | err = kstrtoul(buf, 10, &val); |
| 1975 | if (err < 0) |
| 1976 | return err; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 1977 | val = clamp_val(val, minval[index], maxval[index]); |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 1978 | |
| 1979 | mutex_lock(&data->update_lock); |
| 1980 | data->pwm[index][nr] = val; |
| 1981 | nct6775_write_value(data, data->REG_PWM[index][nr], val); |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 1982 | if (index == 2) { /* floor: disable if val == 0 */ |
| 1983 | reg = nct6775_read_value(data, data->REG_TEMP_SEL[nr]); |
| 1984 | reg &= 0x7f; |
| 1985 | if (val) |
| 1986 | reg |= 0x80; |
| 1987 | nct6775_write_value(data, data->REG_TEMP_SEL[nr], reg); |
| 1988 | } |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 1989 | mutex_unlock(&data->update_lock); |
| 1990 | return count; |
| 1991 | } |
| 1992 | |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 1993 | /* Returns 0 if OK, -EINVAL otherwise */ |
| 1994 | static int check_trip_points(struct nct6775_data *data, int nr) |
| 1995 | { |
| 1996 | int i; |
| 1997 | |
| 1998 | for (i = 0; i < data->auto_pwm_num - 1; i++) { |
| 1999 | if (data->auto_temp[nr][i] > data->auto_temp[nr][i + 1]) |
| 2000 | return -EINVAL; |
| 2001 | } |
| 2002 | for (i = 0; i < data->auto_pwm_num - 1; i++) { |
| 2003 | if (data->auto_pwm[nr][i] > data->auto_pwm[nr][i + 1]) |
| 2004 | return -EINVAL; |
| 2005 | } |
| 2006 | /* validate critical temperature and pwm if enabled (pwm > 0) */ |
| 2007 | if (data->auto_pwm[nr][data->auto_pwm_num]) { |
| 2008 | if (data->auto_temp[nr][data->auto_pwm_num - 1] > |
| 2009 | data->auto_temp[nr][data->auto_pwm_num] || |
| 2010 | data->auto_pwm[nr][data->auto_pwm_num - 1] > |
| 2011 | data->auto_pwm[nr][data->auto_pwm_num]) |
| 2012 | return -EINVAL; |
| 2013 | } |
| 2014 | return 0; |
| 2015 | } |
| 2016 | |
| 2017 | static void pwm_update_registers(struct nct6775_data *data, int nr) |
| 2018 | { |
| 2019 | u8 reg; |
| 2020 | |
| 2021 | switch (data->pwm_enable[nr]) { |
| 2022 | case off: |
| 2023 | case manual: |
| 2024 | break; |
| 2025 | case speed_cruise: |
| 2026 | reg = nct6775_read_value(data, data->REG_FAN_MODE[nr]); |
| 2027 | reg = (reg & ~data->tolerance_mask) | |
| 2028 | (data->target_speed_tolerance[nr] & data->tolerance_mask); |
| 2029 | nct6775_write_value(data, data->REG_FAN_MODE[nr], reg); |
| 2030 | nct6775_write_value(data, data->REG_TARGET[nr], |
| 2031 | data->target_speed[nr] & 0xff); |
| 2032 | if (data->REG_TOLERANCE_H) { |
| 2033 | reg = (data->target_speed[nr] >> 8) & 0x0f; |
| 2034 | reg |= (data->target_speed_tolerance[nr] & 0x38) << 1; |
| 2035 | nct6775_write_value(data, |
| 2036 | data->REG_TOLERANCE_H[nr], |
| 2037 | reg); |
| 2038 | } |
| 2039 | break; |
| 2040 | case thermal_cruise: |
| 2041 | nct6775_write_value(data, data->REG_TARGET[nr], |
| 2042 | data->target_temp[nr]); |
| 2043 | /* intentional */ |
| 2044 | default: |
| 2045 | reg = nct6775_read_value(data, data->REG_FAN_MODE[nr]); |
| 2046 | reg = (reg & ~data->tolerance_mask) | |
| 2047 | data->temp_tolerance[0][nr]; |
| 2048 | nct6775_write_value(data, data->REG_FAN_MODE[nr], reg); |
| 2049 | break; |
| 2050 | } |
| 2051 | } |
| 2052 | |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 2053 | static ssize_t |
| 2054 | show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf) |
| 2055 | { |
| 2056 | struct nct6775_data *data = nct6775_update_device(dev); |
| 2057 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 2058 | |
| 2059 | return sprintf(buf, "%d\n", data->pwm_enable[sattr->index]); |
| 2060 | } |
| 2061 | |
| 2062 | static ssize_t |
| 2063 | store_pwm_enable(struct device *dev, struct device_attribute *attr, |
| 2064 | const char *buf, size_t count) |
| 2065 | { |
| 2066 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 2067 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 2068 | int nr = sattr->index; |
| 2069 | unsigned long val; |
| 2070 | int err; |
| 2071 | u16 reg; |
| 2072 | |
| 2073 | err = kstrtoul(buf, 10, &val); |
| 2074 | if (err < 0) |
| 2075 | return err; |
| 2076 | |
| 2077 | if (val > sf4) |
| 2078 | return -EINVAL; |
| 2079 | |
| 2080 | if (val == sf3 && data->kind != nct6775) |
| 2081 | return -EINVAL; |
| 2082 | |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 2083 | if (val == sf4 && check_trip_points(data, nr)) { |
| 2084 | dev_err(dev, "Inconsistent trip points, not switching to SmartFan IV mode\n"); |
| 2085 | dev_err(dev, "Adjust trip points and try again\n"); |
| 2086 | return -EINVAL; |
| 2087 | } |
| 2088 | |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 2089 | mutex_lock(&data->update_lock); |
| 2090 | data->pwm_enable[nr] = val; |
| 2091 | if (val == off) { |
| 2092 | /* |
| 2093 | * turn off pwm control: select manual mode, set pwm to maximum |
| 2094 | */ |
| 2095 | data->pwm[0][nr] = 255; |
| 2096 | nct6775_write_value(data, data->REG_PWM[0][nr], 255); |
| 2097 | } |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 2098 | pwm_update_registers(data, nr); |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 2099 | reg = nct6775_read_value(data, data->REG_FAN_MODE[nr]); |
| 2100 | reg &= 0x0f; |
| 2101 | reg |= pwm_enable_to_reg(val) << 4; |
| 2102 | nct6775_write_value(data, data->REG_FAN_MODE[nr], reg); |
| 2103 | mutex_unlock(&data->update_lock); |
| 2104 | return count; |
| 2105 | } |
| 2106 | |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 2107 | static ssize_t |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 2108 | show_pwm_temp_sel_common(struct nct6775_data *data, char *buf, int src) |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 2109 | { |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 2110 | int i, sel = 0; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 2111 | |
| 2112 | for (i = 0; i < NUM_TEMP; i++) { |
| 2113 | if (!(data->have_temp & (1 << i))) |
| 2114 | continue; |
| 2115 | if (src == data->temp_src[i]) { |
| 2116 | sel = i + 1; |
| 2117 | break; |
| 2118 | } |
| 2119 | } |
| 2120 | |
| 2121 | return sprintf(buf, "%d\n", sel); |
| 2122 | } |
| 2123 | |
| 2124 | static ssize_t |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 2125 | show_pwm_temp_sel(struct device *dev, struct device_attribute *attr, char *buf) |
| 2126 | { |
| 2127 | struct nct6775_data *data = nct6775_update_device(dev); |
| 2128 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 2129 | int index = sattr->index; |
| 2130 | |
| 2131 | return show_pwm_temp_sel_common(data, buf, data->pwm_temp_sel[index]); |
| 2132 | } |
| 2133 | |
| 2134 | static ssize_t |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 2135 | store_pwm_temp_sel(struct device *dev, struct device_attribute *attr, |
| 2136 | const char *buf, size_t count) |
| 2137 | { |
| 2138 | struct nct6775_data *data = nct6775_update_device(dev); |
| 2139 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 2140 | int nr = sattr->index; |
| 2141 | unsigned long val; |
| 2142 | int err, reg, src; |
| 2143 | |
| 2144 | err = kstrtoul(buf, 10, &val); |
| 2145 | if (err < 0) |
| 2146 | return err; |
| 2147 | if (val == 0 || val > NUM_TEMP) |
| 2148 | return -EINVAL; |
| 2149 | if (!(data->have_temp & (1 << (val - 1))) || !data->temp_src[val - 1]) |
| 2150 | return -EINVAL; |
| 2151 | |
| 2152 | mutex_lock(&data->update_lock); |
| 2153 | src = data->temp_src[val - 1]; |
| 2154 | data->pwm_temp_sel[nr] = src; |
| 2155 | reg = nct6775_read_value(data, data->REG_TEMP_SEL[nr]); |
| 2156 | reg &= 0xe0; |
| 2157 | reg |= src; |
| 2158 | nct6775_write_value(data, data->REG_TEMP_SEL[nr], reg); |
| 2159 | mutex_unlock(&data->update_lock); |
| 2160 | |
| 2161 | return count; |
| 2162 | } |
| 2163 | |
| 2164 | static ssize_t |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 2165 | show_pwm_weight_temp_sel(struct device *dev, struct device_attribute *attr, |
| 2166 | char *buf) |
| 2167 | { |
| 2168 | struct nct6775_data *data = nct6775_update_device(dev); |
| 2169 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 2170 | int index = sattr->index; |
| 2171 | |
| 2172 | return show_pwm_temp_sel_common(data, buf, |
| 2173 | data->pwm_weight_temp_sel[index]); |
| 2174 | } |
| 2175 | |
| 2176 | static ssize_t |
| 2177 | store_pwm_weight_temp_sel(struct device *dev, struct device_attribute *attr, |
| 2178 | const char *buf, size_t count) |
| 2179 | { |
| 2180 | struct nct6775_data *data = nct6775_update_device(dev); |
| 2181 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 2182 | int nr = sattr->index; |
| 2183 | unsigned long val; |
| 2184 | int err, reg, src; |
| 2185 | |
| 2186 | err = kstrtoul(buf, 10, &val); |
| 2187 | if (err < 0) |
| 2188 | return err; |
| 2189 | if (val > NUM_TEMP) |
| 2190 | return -EINVAL; |
| 2191 | if (val && (!(data->have_temp & (1 << (val - 1))) || |
| 2192 | !data->temp_src[val - 1])) |
| 2193 | return -EINVAL; |
| 2194 | |
| 2195 | mutex_lock(&data->update_lock); |
| 2196 | if (val) { |
| 2197 | src = data->temp_src[val - 1]; |
| 2198 | data->pwm_weight_temp_sel[nr] = src; |
| 2199 | reg = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[nr]); |
| 2200 | reg &= 0xe0; |
| 2201 | reg |= (src | 0x80); |
| 2202 | nct6775_write_value(data, data->REG_WEIGHT_TEMP_SEL[nr], reg); |
| 2203 | } else { |
| 2204 | data->pwm_weight_temp_sel[nr] = 0; |
| 2205 | reg = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[nr]); |
| 2206 | reg &= 0x7f; |
| 2207 | nct6775_write_value(data, data->REG_WEIGHT_TEMP_SEL[nr], reg); |
| 2208 | } |
| 2209 | mutex_unlock(&data->update_lock); |
| 2210 | |
| 2211 | return count; |
| 2212 | } |
| 2213 | |
| 2214 | static ssize_t |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 2215 | show_target_temp(struct device *dev, struct device_attribute *attr, char *buf) |
| 2216 | { |
| 2217 | struct nct6775_data *data = nct6775_update_device(dev); |
| 2218 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 2219 | |
| 2220 | return sprintf(buf, "%d\n", data->target_temp[sattr->index] * 1000); |
| 2221 | } |
| 2222 | |
| 2223 | static ssize_t |
| 2224 | store_target_temp(struct device *dev, struct device_attribute *attr, |
| 2225 | const char *buf, size_t count) |
| 2226 | { |
| 2227 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 2228 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 2229 | int nr = sattr->index; |
| 2230 | unsigned long val; |
| 2231 | int err; |
| 2232 | |
| 2233 | err = kstrtoul(buf, 10, &val); |
| 2234 | if (err < 0) |
| 2235 | return err; |
| 2236 | |
| 2237 | val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, |
| 2238 | data->target_temp_mask); |
| 2239 | |
| 2240 | mutex_lock(&data->update_lock); |
| 2241 | data->target_temp[nr] = val; |
| 2242 | pwm_update_registers(data, nr); |
| 2243 | mutex_unlock(&data->update_lock); |
| 2244 | return count; |
| 2245 | } |
| 2246 | |
| 2247 | static ssize_t |
| 2248 | show_target_speed(struct device *dev, struct device_attribute *attr, char *buf) |
| 2249 | { |
| 2250 | struct nct6775_data *data = nct6775_update_device(dev); |
| 2251 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 2252 | int nr = sattr->index; |
| 2253 | |
| 2254 | return sprintf(buf, "%d\n", |
| 2255 | fan_from_reg16(data->target_speed[nr], |
| 2256 | data->fan_div[nr])); |
| 2257 | } |
| 2258 | |
| 2259 | static ssize_t |
| 2260 | store_target_speed(struct device *dev, struct device_attribute *attr, |
| 2261 | const char *buf, size_t count) |
| 2262 | { |
| 2263 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 2264 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 2265 | int nr = sattr->index; |
| 2266 | unsigned long val; |
| 2267 | int err; |
| 2268 | u16 speed; |
| 2269 | |
| 2270 | err = kstrtoul(buf, 10, &val); |
| 2271 | if (err < 0) |
| 2272 | return err; |
| 2273 | |
| 2274 | val = clamp_val(val, 0, 1350000U); |
| 2275 | speed = fan_to_reg(val, data->fan_div[nr]); |
| 2276 | |
| 2277 | mutex_lock(&data->update_lock); |
| 2278 | data->target_speed[nr] = speed; |
| 2279 | pwm_update_registers(data, nr); |
| 2280 | mutex_unlock(&data->update_lock); |
| 2281 | return count; |
| 2282 | } |
| 2283 | |
| 2284 | static ssize_t |
| 2285 | show_temp_tolerance(struct device *dev, struct device_attribute *attr, |
| 2286 | char *buf) |
| 2287 | { |
| 2288 | struct nct6775_data *data = nct6775_update_device(dev); |
| 2289 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); |
| 2290 | int nr = sattr->nr; |
| 2291 | int index = sattr->index; |
| 2292 | |
| 2293 | return sprintf(buf, "%d\n", data->temp_tolerance[index][nr] * 1000); |
| 2294 | } |
| 2295 | |
| 2296 | static ssize_t |
| 2297 | store_temp_tolerance(struct device *dev, struct device_attribute *attr, |
| 2298 | const char *buf, size_t count) |
| 2299 | { |
| 2300 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 2301 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); |
| 2302 | int nr = sattr->nr; |
| 2303 | int index = sattr->index; |
| 2304 | unsigned long val; |
| 2305 | int err; |
| 2306 | |
| 2307 | err = kstrtoul(buf, 10, &val); |
| 2308 | if (err < 0) |
| 2309 | return err; |
| 2310 | |
| 2311 | /* Limit tolerance as needed */ |
| 2312 | val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, data->tolerance_mask); |
| 2313 | |
| 2314 | mutex_lock(&data->update_lock); |
| 2315 | data->temp_tolerance[index][nr] = val; |
| 2316 | if (index) |
| 2317 | pwm_update_registers(data, nr); |
| 2318 | else |
| 2319 | nct6775_write_value(data, |
| 2320 | data->REG_CRITICAL_TEMP_TOLERANCE[nr], |
| 2321 | val); |
| 2322 | mutex_unlock(&data->update_lock); |
| 2323 | return count; |
| 2324 | } |
| 2325 | |
| 2326 | /* |
| 2327 | * Fan speed tolerance is a tricky beast, since the associated register is |
| 2328 | * a tick counter, but the value is reported and configured as rpm. |
| 2329 | * Compute resulting low and high rpm values and report the difference. |
| 2330 | */ |
| 2331 | static ssize_t |
| 2332 | show_speed_tolerance(struct device *dev, struct device_attribute *attr, |
| 2333 | char *buf) |
| 2334 | { |
| 2335 | struct nct6775_data *data = nct6775_update_device(dev); |
| 2336 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 2337 | int nr = sattr->index; |
| 2338 | int low = data->target_speed[nr] - data->target_speed_tolerance[nr]; |
| 2339 | int high = data->target_speed[nr] + data->target_speed_tolerance[nr]; |
| 2340 | int tolerance; |
| 2341 | |
| 2342 | if (low <= 0) |
| 2343 | low = 1; |
| 2344 | if (high > 0xffff) |
| 2345 | high = 0xffff; |
| 2346 | if (high < low) |
| 2347 | high = low; |
| 2348 | |
| 2349 | tolerance = (fan_from_reg16(low, data->fan_div[nr]) |
| 2350 | - fan_from_reg16(high, data->fan_div[nr])) / 2; |
| 2351 | |
| 2352 | return sprintf(buf, "%d\n", tolerance); |
| 2353 | } |
| 2354 | |
| 2355 | static ssize_t |
| 2356 | store_speed_tolerance(struct device *dev, struct device_attribute *attr, |
| 2357 | const char *buf, size_t count) |
| 2358 | { |
| 2359 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 2360 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); |
| 2361 | int nr = sattr->index; |
| 2362 | unsigned long val; |
| 2363 | int err; |
| 2364 | int low, high; |
| 2365 | |
| 2366 | err = kstrtoul(buf, 10, &val); |
| 2367 | if (err < 0) |
| 2368 | return err; |
| 2369 | |
| 2370 | high = fan_from_reg16(data->target_speed[nr], |
| 2371 | data->fan_div[nr]) + val; |
| 2372 | low = fan_from_reg16(data->target_speed[nr], |
| 2373 | data->fan_div[nr]) - val; |
| 2374 | if (low <= 0) |
| 2375 | low = 1; |
| 2376 | if (high < low) |
| 2377 | high = low; |
| 2378 | |
| 2379 | val = (fan_to_reg(low, data->fan_div[nr]) - |
| 2380 | fan_to_reg(high, data->fan_div[nr])) / 2; |
| 2381 | |
| 2382 | /* Limit tolerance as needed */ |
| 2383 | val = clamp_val(val, 0, data->speed_tolerance_limit); |
| 2384 | |
| 2385 | mutex_lock(&data->update_lock); |
| 2386 | data->target_speed_tolerance[nr] = val; |
| 2387 | pwm_update_registers(data, nr); |
| 2388 | mutex_unlock(&data->update_lock); |
| 2389 | return count; |
| 2390 | } |
| 2391 | |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 2392 | static SENSOR_DEVICE_ATTR_2(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0, 0); |
| 2393 | static SENSOR_DEVICE_ATTR_2(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1, 0); |
| 2394 | static SENSOR_DEVICE_ATTR_2(pwm3, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2, 0); |
| 2395 | static SENSOR_DEVICE_ATTR_2(pwm4, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3, 0); |
| 2396 | static SENSOR_DEVICE_ATTR_2(pwm5, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 4, 0); |
| 2397 | |
| 2398 | static SENSOR_DEVICE_ATTR(pwm1_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
| 2399 | store_pwm_mode, 0); |
| 2400 | static SENSOR_DEVICE_ATTR(pwm2_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
| 2401 | store_pwm_mode, 1); |
| 2402 | static SENSOR_DEVICE_ATTR(pwm3_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
| 2403 | store_pwm_mode, 2); |
| 2404 | static SENSOR_DEVICE_ATTR(pwm4_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
| 2405 | store_pwm_mode, 3); |
| 2406 | static SENSOR_DEVICE_ATTR(pwm5_mode, S_IWUSR | S_IRUGO, show_pwm_mode, |
| 2407 | store_pwm_mode, 4); |
| 2408 | |
| 2409 | static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
| 2410 | store_pwm_enable, 0); |
| 2411 | static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
| 2412 | store_pwm_enable, 1); |
| 2413 | static SENSOR_DEVICE_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
| 2414 | store_pwm_enable, 2); |
| 2415 | static SENSOR_DEVICE_ATTR(pwm4_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
| 2416 | store_pwm_enable, 3); |
| 2417 | static SENSOR_DEVICE_ATTR(pwm5_enable, S_IWUSR | S_IRUGO, show_pwm_enable, |
| 2418 | store_pwm_enable, 4); |
| 2419 | |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 2420 | static SENSOR_DEVICE_ATTR(pwm1_temp_sel, S_IWUSR | S_IRUGO, |
| 2421 | show_pwm_temp_sel, store_pwm_temp_sel, 0); |
| 2422 | static SENSOR_DEVICE_ATTR(pwm2_temp_sel, S_IWUSR | S_IRUGO, |
| 2423 | show_pwm_temp_sel, store_pwm_temp_sel, 1); |
| 2424 | static SENSOR_DEVICE_ATTR(pwm3_temp_sel, S_IWUSR | S_IRUGO, |
| 2425 | show_pwm_temp_sel, store_pwm_temp_sel, 2); |
| 2426 | static SENSOR_DEVICE_ATTR(pwm4_temp_sel, S_IWUSR | S_IRUGO, |
| 2427 | show_pwm_temp_sel, store_pwm_temp_sel, 3); |
| 2428 | static SENSOR_DEVICE_ATTR(pwm5_temp_sel, S_IWUSR | S_IRUGO, |
| 2429 | show_pwm_temp_sel, store_pwm_temp_sel, 4); |
| 2430 | |
| 2431 | static SENSOR_DEVICE_ATTR(pwm1_target_temp, S_IWUSR | S_IRUGO, show_target_temp, |
| 2432 | store_target_temp, 0); |
| 2433 | static SENSOR_DEVICE_ATTR(pwm2_target_temp, S_IWUSR | S_IRUGO, show_target_temp, |
| 2434 | store_target_temp, 1); |
| 2435 | static SENSOR_DEVICE_ATTR(pwm3_target_temp, S_IWUSR | S_IRUGO, show_target_temp, |
| 2436 | store_target_temp, 2); |
| 2437 | static SENSOR_DEVICE_ATTR(pwm4_target_temp, S_IWUSR | S_IRUGO, show_target_temp, |
| 2438 | store_target_temp, 3); |
| 2439 | static SENSOR_DEVICE_ATTR(pwm5_target_temp, S_IWUSR | S_IRUGO, show_target_temp, |
| 2440 | store_target_temp, 4); |
| 2441 | |
| 2442 | static SENSOR_DEVICE_ATTR(fan1_target, S_IWUSR | S_IRUGO, show_target_speed, |
| 2443 | store_target_speed, 0); |
| 2444 | static SENSOR_DEVICE_ATTR(fan2_target, S_IWUSR | S_IRUGO, show_target_speed, |
| 2445 | store_target_speed, 1); |
| 2446 | static SENSOR_DEVICE_ATTR(fan3_target, S_IWUSR | S_IRUGO, show_target_speed, |
| 2447 | store_target_speed, 2); |
| 2448 | static SENSOR_DEVICE_ATTR(fan4_target, S_IWUSR | S_IRUGO, show_target_speed, |
| 2449 | store_target_speed, 3); |
| 2450 | static SENSOR_DEVICE_ATTR(fan5_target, S_IWUSR | S_IRUGO, show_target_speed, |
| 2451 | store_target_speed, 4); |
| 2452 | |
| 2453 | static SENSOR_DEVICE_ATTR(fan1_tolerance, S_IWUSR | S_IRUGO, |
| 2454 | show_speed_tolerance, store_speed_tolerance, 0); |
| 2455 | static SENSOR_DEVICE_ATTR(fan2_tolerance, S_IWUSR | S_IRUGO, |
| 2456 | show_speed_tolerance, store_speed_tolerance, 1); |
| 2457 | static SENSOR_DEVICE_ATTR(fan3_tolerance, S_IWUSR | S_IRUGO, |
| 2458 | show_speed_tolerance, store_speed_tolerance, 2); |
| 2459 | static SENSOR_DEVICE_ATTR(fan4_tolerance, S_IWUSR | S_IRUGO, |
| 2460 | show_speed_tolerance, store_speed_tolerance, 3); |
| 2461 | static SENSOR_DEVICE_ATTR(fan5_tolerance, S_IWUSR | S_IRUGO, |
| 2462 | show_speed_tolerance, store_speed_tolerance, 4); |
| 2463 | |
| 2464 | /* Smart Fan registers */ |
| 2465 | |
| 2466 | static ssize_t |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 2467 | show_weight_temp(struct device *dev, struct device_attribute *attr, char *buf) |
| 2468 | { |
| 2469 | struct nct6775_data *data = nct6775_update_device(dev); |
| 2470 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); |
| 2471 | int nr = sattr->nr; |
| 2472 | int index = sattr->index; |
| 2473 | |
| 2474 | return sprintf(buf, "%d\n", data->weight_temp[index][nr] * 1000); |
| 2475 | } |
| 2476 | |
| 2477 | static ssize_t |
| 2478 | store_weight_temp(struct device *dev, struct device_attribute *attr, |
| 2479 | const char *buf, size_t count) |
| 2480 | { |
| 2481 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 2482 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); |
| 2483 | int nr = sattr->nr; |
| 2484 | int index = sattr->index; |
| 2485 | unsigned long val; |
| 2486 | int err; |
| 2487 | |
| 2488 | err = kstrtoul(buf, 10, &val); |
| 2489 | if (err < 0) |
| 2490 | return err; |
| 2491 | |
| 2492 | val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 255); |
| 2493 | |
| 2494 | mutex_lock(&data->update_lock); |
| 2495 | data->weight_temp[index][nr] = val; |
| 2496 | nct6775_write_value(data, data->REG_WEIGHT_TEMP[index][nr], val); |
| 2497 | mutex_unlock(&data->update_lock); |
| 2498 | return count; |
| 2499 | } |
| 2500 | |
| 2501 | static SENSOR_DEVICE_ATTR(pwm1_weight_temp_sel, S_IWUSR | S_IRUGO, |
| 2502 | show_pwm_weight_temp_sel, store_pwm_weight_temp_sel, |
| 2503 | 0); |
| 2504 | static SENSOR_DEVICE_ATTR(pwm2_weight_temp_sel, S_IWUSR | S_IRUGO, |
| 2505 | show_pwm_weight_temp_sel, store_pwm_weight_temp_sel, |
| 2506 | 1); |
| 2507 | static SENSOR_DEVICE_ATTR(pwm3_weight_temp_sel, S_IWUSR | S_IRUGO, |
| 2508 | show_pwm_weight_temp_sel, store_pwm_weight_temp_sel, |
| 2509 | 2); |
| 2510 | static SENSOR_DEVICE_ATTR(pwm4_weight_temp_sel, S_IWUSR | S_IRUGO, |
| 2511 | show_pwm_weight_temp_sel, store_pwm_weight_temp_sel, |
| 2512 | 3); |
| 2513 | static SENSOR_DEVICE_ATTR(pwm5_weight_temp_sel, S_IWUSR | S_IRUGO, |
| 2514 | show_pwm_weight_temp_sel, store_pwm_weight_temp_sel, |
| 2515 | 4); |
| 2516 | |
| 2517 | static SENSOR_DEVICE_ATTR_2(pwm1_weight_temp_step, S_IWUSR | S_IRUGO, |
| 2518 | show_weight_temp, store_weight_temp, 0, 0); |
| 2519 | static SENSOR_DEVICE_ATTR_2(pwm2_weight_temp_step, S_IWUSR | S_IRUGO, |
| 2520 | show_weight_temp, store_weight_temp, 1, 0); |
| 2521 | static SENSOR_DEVICE_ATTR_2(pwm3_weight_temp_step, S_IWUSR | S_IRUGO, |
| 2522 | show_weight_temp, store_weight_temp, 2, 0); |
| 2523 | static SENSOR_DEVICE_ATTR_2(pwm4_weight_temp_step, S_IWUSR | S_IRUGO, |
| 2524 | show_weight_temp, store_weight_temp, 3, 0); |
| 2525 | static SENSOR_DEVICE_ATTR_2(pwm5_weight_temp_step, S_IWUSR | S_IRUGO, |
| 2526 | show_weight_temp, store_weight_temp, 4, 0); |
| 2527 | |
| 2528 | static SENSOR_DEVICE_ATTR_2(pwm1_weight_temp_step_tol, S_IWUSR | S_IRUGO, |
| 2529 | show_weight_temp, store_weight_temp, 0, 1); |
| 2530 | static SENSOR_DEVICE_ATTR_2(pwm2_weight_temp_step_tol, S_IWUSR | S_IRUGO, |
| 2531 | show_weight_temp, store_weight_temp, 1, 1); |
| 2532 | static SENSOR_DEVICE_ATTR_2(pwm3_weight_temp_step_tol, S_IWUSR | S_IRUGO, |
| 2533 | show_weight_temp, store_weight_temp, 2, 1); |
| 2534 | static SENSOR_DEVICE_ATTR_2(pwm4_weight_temp_step_tol, S_IWUSR | S_IRUGO, |
| 2535 | show_weight_temp, store_weight_temp, 3, 1); |
| 2536 | static SENSOR_DEVICE_ATTR_2(pwm5_weight_temp_step_tol, S_IWUSR | S_IRUGO, |
| 2537 | show_weight_temp, store_weight_temp, 4, 1); |
| 2538 | |
| 2539 | static SENSOR_DEVICE_ATTR_2(pwm1_weight_temp_step_base, S_IWUSR | S_IRUGO, |
| 2540 | show_weight_temp, store_weight_temp, 0, 2); |
| 2541 | static SENSOR_DEVICE_ATTR_2(pwm2_weight_temp_step_base, S_IWUSR | S_IRUGO, |
| 2542 | show_weight_temp, store_weight_temp, 1, 2); |
| 2543 | static SENSOR_DEVICE_ATTR_2(pwm3_weight_temp_step_base, S_IWUSR | S_IRUGO, |
| 2544 | show_weight_temp, store_weight_temp, 2, 2); |
| 2545 | static SENSOR_DEVICE_ATTR_2(pwm4_weight_temp_step_base, S_IWUSR | S_IRUGO, |
| 2546 | show_weight_temp, store_weight_temp, 3, 2); |
| 2547 | static SENSOR_DEVICE_ATTR_2(pwm5_weight_temp_step_base, S_IWUSR | S_IRUGO, |
| 2548 | show_weight_temp, store_weight_temp, 4, 2); |
| 2549 | |
| 2550 | static SENSOR_DEVICE_ATTR_2(pwm1_weight_duty_step, S_IWUSR | S_IRUGO, |
| 2551 | show_pwm, store_pwm, 0, 5); |
| 2552 | static SENSOR_DEVICE_ATTR_2(pwm2_weight_duty_step, S_IWUSR | S_IRUGO, |
| 2553 | show_pwm, store_pwm, 1, 5); |
| 2554 | static SENSOR_DEVICE_ATTR_2(pwm3_weight_duty_step, S_IWUSR | S_IRUGO, |
| 2555 | show_pwm, store_pwm, 2, 5); |
| 2556 | static SENSOR_DEVICE_ATTR_2(pwm4_weight_duty_step, S_IWUSR | S_IRUGO, |
| 2557 | show_pwm, store_pwm, 3, 5); |
| 2558 | static SENSOR_DEVICE_ATTR_2(pwm5_weight_duty_step, S_IWUSR | S_IRUGO, |
| 2559 | show_pwm, store_pwm, 4, 5); |
| 2560 | |
| 2561 | /* duty_base is not supported on all chips */ |
| 2562 | static struct sensor_device_attribute_2 sda_weight_duty_base[] = { |
| 2563 | SENSOR_ATTR_2(pwm1_weight_duty_base, S_IWUSR | S_IRUGO, |
| 2564 | show_pwm, store_pwm, 0, 6), |
| 2565 | SENSOR_ATTR_2(pwm2_weight_duty_base, S_IWUSR | S_IRUGO, |
| 2566 | show_pwm, store_pwm, 1, 6), |
| 2567 | SENSOR_ATTR_2(pwm3_weight_duty_base, S_IWUSR | S_IRUGO, |
| 2568 | show_pwm, store_pwm, 2, 6), |
| 2569 | SENSOR_ATTR_2(pwm4_weight_duty_base, S_IWUSR | S_IRUGO, |
| 2570 | show_pwm, store_pwm, 3, 6), |
| 2571 | SENSOR_ATTR_2(pwm5_weight_duty_base, S_IWUSR | S_IRUGO, |
| 2572 | show_pwm, store_pwm, 4, 6), |
| 2573 | }; |
| 2574 | |
| 2575 | static ssize_t |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 2576 | show_fan_time(struct device *dev, struct device_attribute *attr, char *buf) |
| 2577 | { |
| 2578 | struct nct6775_data *data = nct6775_update_device(dev); |
| 2579 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); |
| 2580 | int nr = sattr->nr; |
| 2581 | int index = sattr->index; |
| 2582 | |
| 2583 | return sprintf(buf, "%d\n", |
| 2584 | step_time_from_reg(data->fan_time[index][nr], |
| 2585 | data->pwm_mode[nr])); |
| 2586 | } |
| 2587 | |
| 2588 | static ssize_t |
| 2589 | store_fan_time(struct device *dev, struct device_attribute *attr, |
| 2590 | const char *buf, size_t count) |
| 2591 | { |
| 2592 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 2593 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); |
| 2594 | int nr = sattr->nr; |
| 2595 | int index = sattr->index; |
| 2596 | unsigned long val; |
| 2597 | int err; |
| 2598 | |
| 2599 | err = kstrtoul(buf, 10, &val); |
| 2600 | if (err < 0) |
| 2601 | return err; |
| 2602 | |
| 2603 | val = step_time_to_reg(val, data->pwm_mode[nr]); |
| 2604 | mutex_lock(&data->update_lock); |
| 2605 | data->fan_time[index][nr] = val; |
| 2606 | nct6775_write_value(data, data->REG_FAN_TIME[index][nr], val); |
| 2607 | mutex_unlock(&data->update_lock); |
| 2608 | return count; |
| 2609 | } |
| 2610 | |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 2611 | static ssize_t |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 2612 | show_name(struct device *dev, struct device_attribute *attr, char *buf) |
| 2613 | { |
| 2614 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 2615 | |
| 2616 | return sprintf(buf, "%s\n", data->name); |
| 2617 | } |
| 2618 | |
| 2619 | static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); |
| 2620 | |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 2621 | static SENSOR_DEVICE_ATTR_2(pwm1_stop_time, S_IWUSR | S_IRUGO, show_fan_time, |
| 2622 | store_fan_time, 0, 0); |
| 2623 | static SENSOR_DEVICE_ATTR_2(pwm2_stop_time, S_IWUSR | S_IRUGO, show_fan_time, |
| 2624 | store_fan_time, 1, 0); |
| 2625 | static SENSOR_DEVICE_ATTR_2(pwm3_stop_time, S_IWUSR | S_IRUGO, show_fan_time, |
| 2626 | store_fan_time, 2, 0); |
| 2627 | static SENSOR_DEVICE_ATTR_2(pwm4_stop_time, S_IWUSR | S_IRUGO, show_fan_time, |
| 2628 | store_fan_time, 3, 0); |
| 2629 | static SENSOR_DEVICE_ATTR_2(pwm5_stop_time, S_IWUSR | S_IRUGO, show_fan_time, |
| 2630 | store_fan_time, 4, 0); |
| 2631 | |
| 2632 | static SENSOR_DEVICE_ATTR_2(pwm1_step_up_time, S_IWUSR | S_IRUGO, show_fan_time, |
| 2633 | store_fan_time, 0, 1); |
| 2634 | static SENSOR_DEVICE_ATTR_2(pwm2_step_up_time, S_IWUSR | S_IRUGO, show_fan_time, |
| 2635 | store_fan_time, 1, 1); |
| 2636 | static SENSOR_DEVICE_ATTR_2(pwm3_step_up_time, S_IWUSR | S_IRUGO, show_fan_time, |
| 2637 | store_fan_time, 2, 1); |
| 2638 | static SENSOR_DEVICE_ATTR_2(pwm4_step_up_time, S_IWUSR | S_IRUGO, show_fan_time, |
| 2639 | store_fan_time, 3, 1); |
| 2640 | static SENSOR_DEVICE_ATTR_2(pwm5_step_up_time, S_IWUSR | S_IRUGO, show_fan_time, |
| 2641 | store_fan_time, 4, 1); |
| 2642 | |
| 2643 | static SENSOR_DEVICE_ATTR_2(pwm1_step_down_time, S_IWUSR | S_IRUGO, |
| 2644 | show_fan_time, store_fan_time, 0, 2); |
| 2645 | static SENSOR_DEVICE_ATTR_2(pwm2_step_down_time, S_IWUSR | S_IRUGO, |
| 2646 | show_fan_time, store_fan_time, 1, 2); |
| 2647 | static SENSOR_DEVICE_ATTR_2(pwm3_step_down_time, S_IWUSR | S_IRUGO, |
| 2648 | show_fan_time, store_fan_time, 2, 2); |
| 2649 | static SENSOR_DEVICE_ATTR_2(pwm4_step_down_time, S_IWUSR | S_IRUGO, |
| 2650 | show_fan_time, store_fan_time, 3, 2); |
| 2651 | static SENSOR_DEVICE_ATTR_2(pwm5_step_down_time, S_IWUSR | S_IRUGO, |
| 2652 | show_fan_time, store_fan_time, 4, 2); |
| 2653 | |
| 2654 | static SENSOR_DEVICE_ATTR_2(pwm1_start, S_IWUSR | S_IRUGO, show_pwm, |
| 2655 | store_pwm, 0, 1); |
| 2656 | static SENSOR_DEVICE_ATTR_2(pwm2_start, S_IWUSR | S_IRUGO, show_pwm, |
| 2657 | store_pwm, 1, 1); |
| 2658 | static SENSOR_DEVICE_ATTR_2(pwm3_start, S_IWUSR | S_IRUGO, show_pwm, |
| 2659 | store_pwm, 2, 1); |
| 2660 | static SENSOR_DEVICE_ATTR_2(pwm4_start, S_IWUSR | S_IRUGO, show_pwm, |
| 2661 | store_pwm, 3, 1); |
| 2662 | static SENSOR_DEVICE_ATTR_2(pwm5_start, S_IWUSR | S_IRUGO, show_pwm, |
| 2663 | store_pwm, 4, 1); |
| 2664 | |
| 2665 | static SENSOR_DEVICE_ATTR_2(pwm1_floor, S_IWUSR | S_IRUGO, show_pwm, |
| 2666 | store_pwm, 0, 2); |
| 2667 | static SENSOR_DEVICE_ATTR_2(pwm2_floor, S_IWUSR | S_IRUGO, show_pwm, |
| 2668 | store_pwm, 1, 2); |
| 2669 | static SENSOR_DEVICE_ATTR_2(pwm3_floor, S_IWUSR | S_IRUGO, show_pwm, |
| 2670 | store_pwm, 2, 2); |
| 2671 | static SENSOR_DEVICE_ATTR_2(pwm4_floor, S_IWUSR | S_IRUGO, show_pwm, |
| 2672 | store_pwm, 3, 2); |
| 2673 | static SENSOR_DEVICE_ATTR_2(pwm5_floor, S_IWUSR | S_IRUGO, show_pwm, |
| 2674 | store_pwm, 4, 2); |
| 2675 | |
| 2676 | static SENSOR_DEVICE_ATTR_2(pwm1_temp_tolerance, S_IWUSR | S_IRUGO, |
| 2677 | show_temp_tolerance, store_temp_tolerance, 0, 0); |
| 2678 | static SENSOR_DEVICE_ATTR_2(pwm2_temp_tolerance, S_IWUSR | S_IRUGO, |
| 2679 | show_temp_tolerance, store_temp_tolerance, 1, 0); |
| 2680 | static SENSOR_DEVICE_ATTR_2(pwm3_temp_tolerance, S_IWUSR | S_IRUGO, |
| 2681 | show_temp_tolerance, store_temp_tolerance, 2, 0); |
| 2682 | static SENSOR_DEVICE_ATTR_2(pwm4_temp_tolerance, S_IWUSR | S_IRUGO, |
| 2683 | show_temp_tolerance, store_temp_tolerance, 3, 0); |
| 2684 | static SENSOR_DEVICE_ATTR_2(pwm5_temp_tolerance, S_IWUSR | S_IRUGO, |
| 2685 | show_temp_tolerance, store_temp_tolerance, 4, 0); |
| 2686 | |
| 2687 | static SENSOR_DEVICE_ATTR_2(pwm1_crit_temp_tolerance, S_IWUSR | S_IRUGO, |
| 2688 | show_temp_tolerance, store_temp_tolerance, 0, 1); |
| 2689 | static SENSOR_DEVICE_ATTR_2(pwm2_crit_temp_tolerance, S_IWUSR | S_IRUGO, |
| 2690 | show_temp_tolerance, store_temp_tolerance, 1, 1); |
| 2691 | static SENSOR_DEVICE_ATTR_2(pwm3_crit_temp_tolerance, S_IWUSR | S_IRUGO, |
| 2692 | show_temp_tolerance, store_temp_tolerance, 2, 1); |
| 2693 | static SENSOR_DEVICE_ATTR_2(pwm4_crit_temp_tolerance, S_IWUSR | S_IRUGO, |
| 2694 | show_temp_tolerance, store_temp_tolerance, 3, 1); |
| 2695 | static SENSOR_DEVICE_ATTR_2(pwm5_crit_temp_tolerance, S_IWUSR | S_IRUGO, |
| 2696 | show_temp_tolerance, store_temp_tolerance, 4, 1); |
| 2697 | |
| 2698 | /* pwm_max is not supported on all chips */ |
| 2699 | static struct sensor_device_attribute_2 sda_pwm_max[] = { |
| 2700 | SENSOR_ATTR_2(pwm1_max, S_IWUSR | S_IRUGO, show_pwm, store_pwm, |
| 2701 | 0, 3), |
| 2702 | SENSOR_ATTR_2(pwm2_max, S_IWUSR | S_IRUGO, show_pwm, store_pwm, |
| 2703 | 1, 3), |
| 2704 | SENSOR_ATTR_2(pwm3_max, S_IWUSR | S_IRUGO, show_pwm, store_pwm, |
| 2705 | 2, 3), |
| 2706 | SENSOR_ATTR_2(pwm4_max, S_IWUSR | S_IRUGO, show_pwm, store_pwm, |
| 2707 | 3, 3), |
| 2708 | SENSOR_ATTR_2(pwm5_max, S_IWUSR | S_IRUGO, show_pwm, store_pwm, |
| 2709 | 4, 3), |
| 2710 | }; |
| 2711 | |
| 2712 | /* pwm_step is not supported on all chips */ |
| 2713 | static struct sensor_device_attribute_2 sda_pwm_step[] = { |
| 2714 | SENSOR_ATTR_2(pwm1_step, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0, 4), |
| 2715 | SENSOR_ATTR_2(pwm2_step, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1, 4), |
| 2716 | SENSOR_ATTR_2(pwm3_step, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 2, 4), |
| 2717 | SENSOR_ATTR_2(pwm4_step, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 3, 4), |
| 2718 | SENSOR_ATTR_2(pwm5_step, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 4, 4), |
| 2719 | }; |
| 2720 | |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 2721 | static struct attribute *nct6775_attributes_pwm[5][20] = { |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 2722 | { |
| 2723 | &sensor_dev_attr_pwm1.dev_attr.attr, |
| 2724 | &sensor_dev_attr_pwm1_mode.dev_attr.attr, |
| 2725 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 2726 | &sensor_dev_attr_pwm1_temp_sel.dev_attr.attr, |
| 2727 | &sensor_dev_attr_pwm1_temp_tolerance.dev_attr.attr, |
| 2728 | &sensor_dev_attr_pwm1_crit_temp_tolerance.dev_attr.attr, |
| 2729 | &sensor_dev_attr_pwm1_target_temp.dev_attr.attr, |
| 2730 | &sensor_dev_attr_fan1_target.dev_attr.attr, |
| 2731 | &sensor_dev_attr_fan1_tolerance.dev_attr.attr, |
| 2732 | &sensor_dev_attr_pwm1_stop_time.dev_attr.attr, |
| 2733 | &sensor_dev_attr_pwm1_step_up_time.dev_attr.attr, |
| 2734 | &sensor_dev_attr_pwm1_step_down_time.dev_attr.attr, |
| 2735 | &sensor_dev_attr_pwm1_start.dev_attr.attr, |
| 2736 | &sensor_dev_attr_pwm1_floor.dev_attr.attr, |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 2737 | &sensor_dev_attr_pwm1_weight_temp_sel.dev_attr.attr, |
| 2738 | &sensor_dev_attr_pwm1_weight_temp_step.dev_attr.attr, |
| 2739 | &sensor_dev_attr_pwm1_weight_temp_step_tol.dev_attr.attr, |
| 2740 | &sensor_dev_attr_pwm1_weight_temp_step_base.dev_attr.attr, |
| 2741 | &sensor_dev_attr_pwm1_weight_duty_step.dev_attr.attr, |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 2742 | NULL |
| 2743 | }, |
| 2744 | { |
| 2745 | &sensor_dev_attr_pwm2.dev_attr.attr, |
| 2746 | &sensor_dev_attr_pwm2_mode.dev_attr.attr, |
| 2747 | &sensor_dev_attr_pwm2_enable.dev_attr.attr, |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 2748 | &sensor_dev_attr_pwm2_temp_sel.dev_attr.attr, |
| 2749 | &sensor_dev_attr_pwm2_temp_tolerance.dev_attr.attr, |
| 2750 | &sensor_dev_attr_pwm2_crit_temp_tolerance.dev_attr.attr, |
| 2751 | &sensor_dev_attr_pwm2_target_temp.dev_attr.attr, |
| 2752 | &sensor_dev_attr_fan2_target.dev_attr.attr, |
| 2753 | &sensor_dev_attr_fan2_tolerance.dev_attr.attr, |
| 2754 | &sensor_dev_attr_pwm2_stop_time.dev_attr.attr, |
| 2755 | &sensor_dev_attr_pwm2_step_up_time.dev_attr.attr, |
| 2756 | &sensor_dev_attr_pwm2_step_down_time.dev_attr.attr, |
| 2757 | &sensor_dev_attr_pwm2_start.dev_attr.attr, |
| 2758 | &sensor_dev_attr_pwm2_floor.dev_attr.attr, |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 2759 | &sensor_dev_attr_pwm2_weight_temp_sel.dev_attr.attr, |
| 2760 | &sensor_dev_attr_pwm2_weight_temp_step.dev_attr.attr, |
| 2761 | &sensor_dev_attr_pwm2_weight_temp_step_tol.dev_attr.attr, |
| 2762 | &sensor_dev_attr_pwm2_weight_temp_step_base.dev_attr.attr, |
| 2763 | &sensor_dev_attr_pwm2_weight_duty_step.dev_attr.attr, |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 2764 | NULL |
| 2765 | }, |
| 2766 | { |
| 2767 | &sensor_dev_attr_pwm3.dev_attr.attr, |
| 2768 | &sensor_dev_attr_pwm3_mode.dev_attr.attr, |
| 2769 | &sensor_dev_attr_pwm3_enable.dev_attr.attr, |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 2770 | &sensor_dev_attr_pwm3_temp_sel.dev_attr.attr, |
| 2771 | &sensor_dev_attr_pwm3_temp_tolerance.dev_attr.attr, |
| 2772 | &sensor_dev_attr_pwm3_crit_temp_tolerance.dev_attr.attr, |
| 2773 | &sensor_dev_attr_pwm3_target_temp.dev_attr.attr, |
| 2774 | &sensor_dev_attr_fan3_target.dev_attr.attr, |
| 2775 | &sensor_dev_attr_fan3_tolerance.dev_attr.attr, |
| 2776 | &sensor_dev_attr_pwm3_stop_time.dev_attr.attr, |
| 2777 | &sensor_dev_attr_pwm3_step_up_time.dev_attr.attr, |
| 2778 | &sensor_dev_attr_pwm3_step_down_time.dev_attr.attr, |
| 2779 | &sensor_dev_attr_pwm3_start.dev_attr.attr, |
| 2780 | &sensor_dev_attr_pwm3_floor.dev_attr.attr, |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 2781 | &sensor_dev_attr_pwm3_weight_temp_sel.dev_attr.attr, |
| 2782 | &sensor_dev_attr_pwm3_weight_temp_step.dev_attr.attr, |
| 2783 | &sensor_dev_attr_pwm3_weight_temp_step_tol.dev_attr.attr, |
| 2784 | &sensor_dev_attr_pwm3_weight_temp_step_base.dev_attr.attr, |
| 2785 | &sensor_dev_attr_pwm3_weight_duty_step.dev_attr.attr, |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 2786 | NULL |
| 2787 | }, |
| 2788 | { |
| 2789 | &sensor_dev_attr_pwm4.dev_attr.attr, |
| 2790 | &sensor_dev_attr_pwm4_mode.dev_attr.attr, |
| 2791 | &sensor_dev_attr_pwm4_enable.dev_attr.attr, |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 2792 | &sensor_dev_attr_pwm4_temp_sel.dev_attr.attr, |
| 2793 | &sensor_dev_attr_pwm4_temp_tolerance.dev_attr.attr, |
| 2794 | &sensor_dev_attr_pwm4_crit_temp_tolerance.dev_attr.attr, |
| 2795 | &sensor_dev_attr_pwm4_target_temp.dev_attr.attr, |
| 2796 | &sensor_dev_attr_fan4_target.dev_attr.attr, |
| 2797 | &sensor_dev_attr_fan4_tolerance.dev_attr.attr, |
| 2798 | &sensor_dev_attr_pwm4_stop_time.dev_attr.attr, |
| 2799 | &sensor_dev_attr_pwm4_step_up_time.dev_attr.attr, |
| 2800 | &sensor_dev_attr_pwm4_step_down_time.dev_attr.attr, |
| 2801 | &sensor_dev_attr_pwm4_start.dev_attr.attr, |
| 2802 | &sensor_dev_attr_pwm4_floor.dev_attr.attr, |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 2803 | &sensor_dev_attr_pwm4_weight_temp_sel.dev_attr.attr, |
| 2804 | &sensor_dev_attr_pwm4_weight_temp_step.dev_attr.attr, |
| 2805 | &sensor_dev_attr_pwm4_weight_temp_step_tol.dev_attr.attr, |
| 2806 | &sensor_dev_attr_pwm4_weight_temp_step_base.dev_attr.attr, |
| 2807 | &sensor_dev_attr_pwm4_weight_duty_step.dev_attr.attr, |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 2808 | NULL |
| 2809 | }, |
| 2810 | { |
| 2811 | &sensor_dev_attr_pwm5.dev_attr.attr, |
| 2812 | &sensor_dev_attr_pwm5_mode.dev_attr.attr, |
| 2813 | &sensor_dev_attr_pwm5_enable.dev_attr.attr, |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 2814 | &sensor_dev_attr_pwm5_temp_sel.dev_attr.attr, |
| 2815 | &sensor_dev_attr_pwm5_temp_tolerance.dev_attr.attr, |
| 2816 | &sensor_dev_attr_pwm5_crit_temp_tolerance.dev_attr.attr, |
| 2817 | &sensor_dev_attr_pwm5_target_temp.dev_attr.attr, |
| 2818 | &sensor_dev_attr_fan5_target.dev_attr.attr, |
| 2819 | &sensor_dev_attr_fan5_tolerance.dev_attr.attr, |
| 2820 | &sensor_dev_attr_pwm5_stop_time.dev_attr.attr, |
| 2821 | &sensor_dev_attr_pwm5_step_up_time.dev_attr.attr, |
| 2822 | &sensor_dev_attr_pwm5_step_down_time.dev_attr.attr, |
| 2823 | &sensor_dev_attr_pwm5_start.dev_attr.attr, |
| 2824 | &sensor_dev_attr_pwm5_floor.dev_attr.attr, |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 2825 | &sensor_dev_attr_pwm5_weight_temp_sel.dev_attr.attr, |
| 2826 | &sensor_dev_attr_pwm5_weight_temp_step.dev_attr.attr, |
| 2827 | &sensor_dev_attr_pwm5_weight_temp_step_tol.dev_attr.attr, |
| 2828 | &sensor_dev_attr_pwm5_weight_temp_step_base.dev_attr.attr, |
| 2829 | &sensor_dev_attr_pwm5_weight_duty_step.dev_attr.attr, |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 2830 | NULL |
| 2831 | }, |
| 2832 | }; |
| 2833 | |
| 2834 | static const struct attribute_group nct6775_group_pwm[5] = { |
| 2835 | { .attrs = nct6775_attributes_pwm[0] }, |
| 2836 | { .attrs = nct6775_attributes_pwm[1] }, |
| 2837 | { .attrs = nct6775_attributes_pwm[2] }, |
| 2838 | { .attrs = nct6775_attributes_pwm[3] }, |
| 2839 | { .attrs = nct6775_attributes_pwm[4] }, |
| 2840 | }; |
| 2841 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 2842 | static ssize_t |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 2843 | show_auto_pwm(struct device *dev, struct device_attribute *attr, char *buf) |
| 2844 | { |
| 2845 | struct nct6775_data *data = nct6775_update_device(dev); |
| 2846 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); |
| 2847 | |
| 2848 | return sprintf(buf, "%d\n", data->auto_pwm[sattr->nr][sattr->index]); |
| 2849 | } |
| 2850 | |
| 2851 | static ssize_t |
| 2852 | store_auto_pwm(struct device *dev, struct device_attribute *attr, |
| 2853 | const char *buf, size_t count) |
| 2854 | { |
| 2855 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 2856 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); |
| 2857 | int nr = sattr->nr; |
| 2858 | int point = sattr->index; |
| 2859 | unsigned long val; |
| 2860 | int err; |
| 2861 | u8 reg; |
| 2862 | |
| 2863 | err = kstrtoul(buf, 10, &val); |
| 2864 | if (err < 0) |
| 2865 | return err; |
| 2866 | if (val > 255) |
| 2867 | return -EINVAL; |
| 2868 | |
| 2869 | if (point == data->auto_pwm_num) { |
| 2870 | if (data->kind != nct6775 && !val) |
| 2871 | return -EINVAL; |
| 2872 | if (data->kind != nct6779 && val) |
| 2873 | val = 0xff; |
| 2874 | } |
| 2875 | |
| 2876 | mutex_lock(&data->update_lock); |
| 2877 | data->auto_pwm[nr][point] = val; |
| 2878 | if (point < data->auto_pwm_num) { |
| 2879 | nct6775_write_value(data, |
| 2880 | NCT6775_AUTO_PWM(data, nr, point), |
| 2881 | data->auto_pwm[nr][point]); |
| 2882 | } else { |
| 2883 | switch (data->kind) { |
| 2884 | case nct6775: |
| 2885 | /* disable if needed (pwm == 0) */ |
| 2886 | reg = nct6775_read_value(data, |
| 2887 | NCT6775_REG_CRITICAL_ENAB[nr]); |
| 2888 | if (val) |
| 2889 | reg |= 0x02; |
| 2890 | else |
| 2891 | reg &= ~0x02; |
| 2892 | nct6775_write_value(data, NCT6775_REG_CRITICAL_ENAB[nr], |
| 2893 | reg); |
| 2894 | break; |
| 2895 | case nct6776: |
| 2896 | break; /* always enabled, nothing to do */ |
| 2897 | case nct6779: |
| 2898 | nct6775_write_value(data, NCT6779_REG_CRITICAL_PWM[nr], |
| 2899 | val); |
| 2900 | reg = nct6775_read_value(data, |
| 2901 | NCT6779_REG_CRITICAL_PWM_ENABLE[nr]); |
| 2902 | if (val == 255) |
| 2903 | reg &= ~0x01; |
| 2904 | else |
| 2905 | reg |= 0x01; |
| 2906 | nct6775_write_value(data, |
| 2907 | NCT6779_REG_CRITICAL_PWM_ENABLE[nr], |
| 2908 | reg); |
| 2909 | break; |
| 2910 | } |
| 2911 | } |
| 2912 | mutex_unlock(&data->update_lock); |
| 2913 | return count; |
| 2914 | } |
| 2915 | |
| 2916 | static ssize_t |
| 2917 | show_auto_temp(struct device *dev, struct device_attribute *attr, char *buf) |
| 2918 | { |
| 2919 | struct nct6775_data *data = nct6775_update_device(dev); |
| 2920 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); |
| 2921 | int nr = sattr->nr; |
| 2922 | int point = sattr->index; |
| 2923 | |
| 2924 | /* |
| 2925 | * We don't know for sure if the temperature is signed or unsigned. |
| 2926 | * Assume it is unsigned. |
| 2927 | */ |
| 2928 | return sprintf(buf, "%d\n", data->auto_temp[nr][point] * 1000); |
| 2929 | } |
| 2930 | |
| 2931 | static ssize_t |
| 2932 | store_auto_temp(struct device *dev, struct device_attribute *attr, |
| 2933 | const char *buf, size_t count) |
| 2934 | { |
| 2935 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 2936 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); |
| 2937 | int nr = sattr->nr; |
| 2938 | int point = sattr->index; |
| 2939 | unsigned long val; |
| 2940 | int err; |
| 2941 | |
| 2942 | err = kstrtoul(buf, 10, &val); |
| 2943 | if (err) |
| 2944 | return err; |
| 2945 | if (val > 255000) |
| 2946 | return -EINVAL; |
| 2947 | |
| 2948 | mutex_lock(&data->update_lock); |
| 2949 | data->auto_temp[nr][point] = DIV_ROUND_CLOSEST(val, 1000); |
| 2950 | if (point < data->auto_pwm_num) { |
| 2951 | nct6775_write_value(data, |
| 2952 | NCT6775_AUTO_TEMP(data, nr, point), |
| 2953 | data->auto_temp[nr][point]); |
| 2954 | } else { |
| 2955 | nct6775_write_value(data, data->REG_CRITICAL_TEMP[nr], |
| 2956 | data->auto_temp[nr][point]); |
| 2957 | } |
| 2958 | mutex_unlock(&data->update_lock); |
| 2959 | return count; |
| 2960 | } |
| 2961 | |
| 2962 | /* |
| 2963 | * The number of auto-point trip points is chip dependent. |
| 2964 | * Need to check support while generating/removing attribute files. |
| 2965 | */ |
| 2966 | static struct sensor_device_attribute_2 sda_auto_pwm_arrays[] = { |
| 2967 | SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IWUSR | S_IRUGO, |
| 2968 | show_auto_pwm, store_auto_pwm, 0, 0), |
| 2969 | SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IWUSR | S_IRUGO, |
| 2970 | show_auto_temp, store_auto_temp, 0, 0), |
| 2971 | SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IWUSR | S_IRUGO, |
| 2972 | show_auto_pwm, store_auto_pwm, 0, 1), |
| 2973 | SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IWUSR | S_IRUGO, |
| 2974 | show_auto_temp, store_auto_temp, 0, 1), |
| 2975 | SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IWUSR | S_IRUGO, |
| 2976 | show_auto_pwm, store_auto_pwm, 0, 2), |
| 2977 | SENSOR_ATTR_2(pwm1_auto_point3_temp, S_IWUSR | S_IRUGO, |
| 2978 | show_auto_temp, store_auto_temp, 0, 2), |
| 2979 | SENSOR_ATTR_2(pwm1_auto_point4_pwm, S_IWUSR | S_IRUGO, |
| 2980 | show_auto_pwm, store_auto_pwm, 0, 3), |
| 2981 | SENSOR_ATTR_2(pwm1_auto_point4_temp, S_IWUSR | S_IRUGO, |
| 2982 | show_auto_temp, store_auto_temp, 0, 3), |
| 2983 | SENSOR_ATTR_2(pwm1_auto_point5_pwm, S_IWUSR | S_IRUGO, |
| 2984 | show_auto_pwm, store_auto_pwm, 0, 4), |
| 2985 | SENSOR_ATTR_2(pwm1_auto_point5_temp, S_IWUSR | S_IRUGO, |
| 2986 | show_auto_temp, store_auto_temp, 0, 4), |
| 2987 | SENSOR_ATTR_2(pwm1_auto_point6_pwm, S_IWUSR | S_IRUGO, |
| 2988 | show_auto_pwm, store_auto_pwm, 0, 5), |
| 2989 | SENSOR_ATTR_2(pwm1_auto_point6_temp, S_IWUSR | S_IRUGO, |
| 2990 | show_auto_temp, store_auto_temp, 0, 5), |
| 2991 | SENSOR_ATTR_2(pwm1_auto_point7_pwm, S_IWUSR | S_IRUGO, |
| 2992 | show_auto_pwm, store_auto_pwm, 0, 6), |
| 2993 | SENSOR_ATTR_2(pwm1_auto_point7_temp, S_IWUSR | S_IRUGO, |
| 2994 | show_auto_temp, store_auto_temp, 0, 6), |
| 2995 | |
| 2996 | SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IWUSR | S_IRUGO, |
| 2997 | show_auto_pwm, store_auto_pwm, 1, 0), |
| 2998 | SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IWUSR | S_IRUGO, |
| 2999 | show_auto_temp, store_auto_temp, 1, 0), |
| 3000 | SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IWUSR | S_IRUGO, |
| 3001 | show_auto_pwm, store_auto_pwm, 1, 1), |
| 3002 | SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IWUSR | S_IRUGO, |
| 3003 | show_auto_temp, store_auto_temp, 1, 1), |
| 3004 | SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IWUSR | S_IRUGO, |
| 3005 | show_auto_pwm, store_auto_pwm, 1, 2), |
| 3006 | SENSOR_ATTR_2(pwm2_auto_point3_temp, S_IWUSR | S_IRUGO, |
| 3007 | show_auto_temp, store_auto_temp, 1, 2), |
| 3008 | SENSOR_ATTR_2(pwm2_auto_point4_pwm, S_IWUSR | S_IRUGO, |
| 3009 | show_auto_pwm, store_auto_pwm, 1, 3), |
| 3010 | SENSOR_ATTR_2(pwm2_auto_point4_temp, S_IWUSR | S_IRUGO, |
| 3011 | show_auto_temp, store_auto_temp, 1, 3), |
| 3012 | SENSOR_ATTR_2(pwm2_auto_point5_pwm, S_IWUSR | S_IRUGO, |
| 3013 | show_auto_pwm, store_auto_pwm, 1, 4), |
| 3014 | SENSOR_ATTR_2(pwm2_auto_point5_temp, S_IWUSR | S_IRUGO, |
| 3015 | show_auto_temp, store_auto_temp, 1, 4), |
| 3016 | SENSOR_ATTR_2(pwm2_auto_point6_pwm, S_IWUSR | S_IRUGO, |
| 3017 | show_auto_pwm, store_auto_pwm, 1, 5), |
| 3018 | SENSOR_ATTR_2(pwm2_auto_point6_temp, S_IWUSR | S_IRUGO, |
| 3019 | show_auto_temp, store_auto_temp, 1, 5), |
| 3020 | SENSOR_ATTR_2(pwm2_auto_point7_pwm, S_IWUSR | S_IRUGO, |
| 3021 | show_auto_pwm, store_auto_pwm, 1, 6), |
| 3022 | SENSOR_ATTR_2(pwm2_auto_point7_temp, S_IWUSR | S_IRUGO, |
| 3023 | show_auto_temp, store_auto_temp, 1, 6), |
| 3024 | |
| 3025 | SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IWUSR | S_IRUGO, |
| 3026 | show_auto_pwm, store_auto_pwm, 2, 0), |
| 3027 | SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IWUSR | S_IRUGO, |
| 3028 | show_auto_temp, store_auto_temp, 2, 0), |
| 3029 | SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IWUSR | S_IRUGO, |
| 3030 | show_auto_pwm, store_auto_pwm, 2, 1), |
| 3031 | SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IWUSR | S_IRUGO, |
| 3032 | show_auto_temp, store_auto_temp, 2, 1), |
| 3033 | SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IWUSR | S_IRUGO, |
| 3034 | show_auto_pwm, store_auto_pwm, 2, 2), |
| 3035 | SENSOR_ATTR_2(pwm3_auto_point3_temp, S_IWUSR | S_IRUGO, |
| 3036 | show_auto_temp, store_auto_temp, 2, 2), |
| 3037 | SENSOR_ATTR_2(pwm3_auto_point4_pwm, S_IWUSR | S_IRUGO, |
| 3038 | show_auto_pwm, store_auto_pwm, 2, 3), |
| 3039 | SENSOR_ATTR_2(pwm3_auto_point4_temp, S_IWUSR | S_IRUGO, |
| 3040 | show_auto_temp, store_auto_temp, 2, 3), |
| 3041 | SENSOR_ATTR_2(pwm3_auto_point5_pwm, S_IWUSR | S_IRUGO, |
| 3042 | show_auto_pwm, store_auto_pwm, 2, 4), |
| 3043 | SENSOR_ATTR_2(pwm3_auto_point5_temp, S_IWUSR | S_IRUGO, |
| 3044 | show_auto_temp, store_auto_temp, 2, 4), |
| 3045 | SENSOR_ATTR_2(pwm3_auto_point6_pwm, S_IWUSR | S_IRUGO, |
| 3046 | show_auto_pwm, store_auto_pwm, 2, 5), |
| 3047 | SENSOR_ATTR_2(pwm3_auto_point6_temp, S_IWUSR | S_IRUGO, |
| 3048 | show_auto_temp, store_auto_temp, 2, 5), |
| 3049 | SENSOR_ATTR_2(pwm3_auto_point7_pwm, S_IWUSR | S_IRUGO, |
| 3050 | show_auto_pwm, store_auto_pwm, 2, 6), |
| 3051 | SENSOR_ATTR_2(pwm3_auto_point7_temp, S_IWUSR | S_IRUGO, |
| 3052 | show_auto_temp, store_auto_temp, 2, 6), |
| 3053 | |
| 3054 | SENSOR_ATTR_2(pwm4_auto_point1_pwm, S_IWUSR | S_IRUGO, |
| 3055 | show_auto_pwm, store_auto_pwm, 3, 0), |
| 3056 | SENSOR_ATTR_2(pwm4_auto_point1_temp, S_IWUSR | S_IRUGO, |
| 3057 | show_auto_temp, store_auto_temp, 3, 0), |
| 3058 | SENSOR_ATTR_2(pwm4_auto_point2_pwm, S_IWUSR | S_IRUGO, |
| 3059 | show_auto_pwm, store_auto_pwm, 3, 1), |
| 3060 | SENSOR_ATTR_2(pwm4_auto_point2_temp, S_IWUSR | S_IRUGO, |
| 3061 | show_auto_temp, store_auto_temp, 3, 1), |
| 3062 | SENSOR_ATTR_2(pwm4_auto_point3_pwm, S_IWUSR | S_IRUGO, |
| 3063 | show_auto_pwm, store_auto_pwm, 3, 2), |
| 3064 | SENSOR_ATTR_2(pwm4_auto_point3_temp, S_IWUSR | S_IRUGO, |
| 3065 | show_auto_temp, store_auto_temp, 3, 2), |
| 3066 | SENSOR_ATTR_2(pwm4_auto_point4_pwm, S_IWUSR | S_IRUGO, |
| 3067 | show_auto_pwm, store_auto_pwm, 3, 3), |
| 3068 | SENSOR_ATTR_2(pwm4_auto_point4_temp, S_IWUSR | S_IRUGO, |
| 3069 | show_auto_temp, store_auto_temp, 3, 3), |
| 3070 | SENSOR_ATTR_2(pwm4_auto_point5_pwm, S_IWUSR | S_IRUGO, |
| 3071 | show_auto_pwm, store_auto_pwm, 3, 4), |
| 3072 | SENSOR_ATTR_2(pwm4_auto_point5_temp, S_IWUSR | S_IRUGO, |
| 3073 | show_auto_temp, store_auto_temp, 3, 4), |
| 3074 | SENSOR_ATTR_2(pwm4_auto_point6_pwm, S_IWUSR | S_IRUGO, |
| 3075 | show_auto_pwm, store_auto_pwm, 3, 5), |
| 3076 | SENSOR_ATTR_2(pwm4_auto_point6_temp, S_IWUSR | S_IRUGO, |
| 3077 | show_auto_temp, store_auto_temp, 3, 5), |
| 3078 | SENSOR_ATTR_2(pwm4_auto_point7_pwm, S_IWUSR | S_IRUGO, |
| 3079 | show_auto_pwm, store_auto_pwm, 3, 6), |
| 3080 | SENSOR_ATTR_2(pwm4_auto_point7_temp, S_IWUSR | S_IRUGO, |
| 3081 | show_auto_temp, store_auto_temp, 3, 6), |
| 3082 | |
| 3083 | SENSOR_ATTR_2(pwm5_auto_point1_pwm, S_IWUSR | S_IRUGO, |
| 3084 | show_auto_pwm, store_auto_pwm, 4, 0), |
| 3085 | SENSOR_ATTR_2(pwm5_auto_point1_temp, S_IWUSR | S_IRUGO, |
| 3086 | show_auto_temp, store_auto_temp, 4, 0), |
| 3087 | SENSOR_ATTR_2(pwm5_auto_point2_pwm, S_IWUSR | S_IRUGO, |
| 3088 | show_auto_pwm, store_auto_pwm, 4, 1), |
| 3089 | SENSOR_ATTR_2(pwm5_auto_point2_temp, S_IWUSR | S_IRUGO, |
| 3090 | show_auto_temp, store_auto_temp, 4, 1), |
| 3091 | SENSOR_ATTR_2(pwm5_auto_point3_pwm, S_IWUSR | S_IRUGO, |
| 3092 | show_auto_pwm, store_auto_pwm, 4, 2), |
| 3093 | SENSOR_ATTR_2(pwm5_auto_point3_temp, S_IWUSR | S_IRUGO, |
| 3094 | show_auto_temp, store_auto_temp, 4, 2), |
| 3095 | SENSOR_ATTR_2(pwm5_auto_point4_pwm, S_IWUSR | S_IRUGO, |
| 3096 | show_auto_pwm, store_auto_pwm, 4, 3), |
| 3097 | SENSOR_ATTR_2(pwm5_auto_point4_temp, S_IWUSR | S_IRUGO, |
| 3098 | show_auto_temp, store_auto_temp, 4, 3), |
| 3099 | SENSOR_ATTR_2(pwm5_auto_point5_pwm, S_IWUSR | S_IRUGO, |
| 3100 | show_auto_pwm, store_auto_pwm, 4, 4), |
| 3101 | SENSOR_ATTR_2(pwm5_auto_point5_temp, S_IWUSR | S_IRUGO, |
| 3102 | show_auto_temp, store_auto_temp, 4, 4), |
| 3103 | SENSOR_ATTR_2(pwm5_auto_point6_pwm, S_IWUSR | S_IRUGO, |
| 3104 | show_auto_pwm, store_auto_pwm, 4, 5), |
| 3105 | SENSOR_ATTR_2(pwm5_auto_point6_temp, S_IWUSR | S_IRUGO, |
| 3106 | show_auto_temp, store_auto_temp, 4, 5), |
| 3107 | SENSOR_ATTR_2(pwm5_auto_point7_pwm, S_IWUSR | S_IRUGO, |
| 3108 | show_auto_pwm, store_auto_pwm, 4, 6), |
| 3109 | SENSOR_ATTR_2(pwm5_auto_point7_temp, S_IWUSR | S_IRUGO, |
| 3110 | show_auto_temp, store_auto_temp, 4, 6), |
| 3111 | }; |
| 3112 | |
| 3113 | static ssize_t |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3114 | show_vid(struct device *dev, struct device_attribute *attr, char *buf) |
| 3115 | { |
| 3116 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 3117 | return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); |
| 3118 | } |
| 3119 | |
| 3120 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); |
| 3121 | |
Guenter Roeck | a6bd587 | 2012-12-04 03:13:34 -0800 | [diff] [blame] | 3122 | /* Case open detection */ |
| 3123 | |
| 3124 | static ssize_t |
| 3125 | clear_caseopen(struct device *dev, struct device_attribute *attr, |
| 3126 | const char *buf, size_t count) |
| 3127 | { |
| 3128 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 3129 | struct nct6775_sio_data *sio_data = dev->platform_data; |
| 3130 | int nr = to_sensor_dev_attr(attr)->index - INTRUSION_ALARM_BASE; |
| 3131 | unsigned long val; |
| 3132 | u8 reg; |
| 3133 | int ret; |
| 3134 | |
| 3135 | if (kstrtoul(buf, 10, &val) || val != 0) |
| 3136 | return -EINVAL; |
| 3137 | |
| 3138 | mutex_lock(&data->update_lock); |
| 3139 | |
| 3140 | /* |
| 3141 | * Use CR registers to clear caseopen status. |
| 3142 | * The CR registers are the same for all chips, and not all chips |
| 3143 | * support clearing the caseopen status through "regular" registers. |
| 3144 | */ |
| 3145 | ret = superio_enter(sio_data->sioreg); |
| 3146 | if (ret) { |
| 3147 | count = ret; |
| 3148 | goto error; |
| 3149 | } |
| 3150 | |
| 3151 | superio_select(sio_data->sioreg, NCT6775_LD_ACPI); |
| 3152 | reg = superio_inb(sio_data->sioreg, NCT6775_REG_CR_CASEOPEN_CLR[nr]); |
| 3153 | reg |= NCT6775_CR_CASEOPEN_CLR_MASK[nr]; |
| 3154 | superio_outb(sio_data->sioreg, NCT6775_REG_CR_CASEOPEN_CLR[nr], reg); |
| 3155 | reg &= ~NCT6775_CR_CASEOPEN_CLR_MASK[nr]; |
| 3156 | superio_outb(sio_data->sioreg, NCT6775_REG_CR_CASEOPEN_CLR[nr], reg); |
| 3157 | superio_exit(sio_data->sioreg); |
| 3158 | |
| 3159 | data->valid = false; /* Force cache refresh */ |
| 3160 | error: |
| 3161 | mutex_unlock(&data->update_lock); |
| 3162 | return count; |
| 3163 | } |
| 3164 | |
| 3165 | static struct sensor_device_attribute sda_caseopen[] = { |
| 3166 | SENSOR_ATTR(intrusion0_alarm, S_IWUSR | S_IRUGO, show_alarm, |
| 3167 | clear_caseopen, INTRUSION_ALARM_BASE), |
| 3168 | SENSOR_ATTR(intrusion1_alarm, S_IWUSR | S_IRUGO, show_alarm, |
| 3169 | clear_caseopen, INTRUSION_ALARM_BASE + 1), |
| 3170 | }; |
| 3171 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3172 | /* |
| 3173 | * Driver and device management |
| 3174 | */ |
| 3175 | |
| 3176 | static void nct6775_device_remove_files(struct device *dev) |
| 3177 | { |
| 3178 | /* |
| 3179 | * some entries in the following arrays may not have been used in |
| 3180 | * device_create_file(), but device_remove_file() will ignore them |
| 3181 | */ |
| 3182 | int i; |
| 3183 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 3184 | |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3185 | for (i = 0; i < data->pwm_num; i++) |
| 3186 | sysfs_remove_group(&dev->kobj, &nct6775_group_pwm[i]); |
| 3187 | |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3188 | for (i = 0; i < ARRAY_SIZE(sda_pwm_max); i++) |
| 3189 | device_remove_file(dev, &sda_pwm_max[i].dev_attr); |
| 3190 | |
| 3191 | for (i = 0; i < ARRAY_SIZE(sda_pwm_step); i++) |
| 3192 | device_remove_file(dev, &sda_pwm_step[i].dev_attr); |
| 3193 | |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 3194 | for (i = 0; i < ARRAY_SIZE(sda_weight_duty_base); i++) |
| 3195 | device_remove_file(dev, &sda_weight_duty_base[i].dev_attr); |
| 3196 | |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3197 | for (i = 0; i < ARRAY_SIZE(sda_auto_pwm_arrays); i++) |
| 3198 | device_remove_file(dev, &sda_auto_pwm_arrays[i].dev_attr); |
| 3199 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3200 | for (i = 0; i < data->in_num; i++) |
| 3201 | sysfs_remove_group(&dev->kobj, &nct6775_group_in[i]); |
| 3202 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3203 | for (i = 0; i < 5; i++) { |
| 3204 | device_remove_file(dev, &sda_fan_input[i].dev_attr); |
| 3205 | device_remove_file(dev, &sda_fan_alarm[i].dev_attr); |
| 3206 | device_remove_file(dev, &sda_fan_div[i].dev_attr); |
| 3207 | device_remove_file(dev, &sda_fan_min[i].dev_attr); |
Guenter Roeck | 5c25d95 | 2012-12-11 07:29:06 -0800 | [diff] [blame] | 3208 | device_remove_file(dev, &sda_fan_pulses[i].dev_attr); |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3209 | } |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3210 | for (i = 0; i < NUM_TEMP; i++) { |
| 3211 | if (!(data->have_temp & (1 << i))) |
| 3212 | continue; |
| 3213 | device_remove_file(dev, &sda_temp_input[i].dev_attr); |
| 3214 | device_remove_file(dev, &sda_temp_label[i].dev_attr); |
| 3215 | device_remove_file(dev, &sda_temp_max[i].dev_attr); |
| 3216 | device_remove_file(dev, &sda_temp_max_hyst[i].dev_attr); |
| 3217 | device_remove_file(dev, &sda_temp_crit[i].dev_attr); |
| 3218 | if (!(data->have_temp_fixed & (1 << i))) |
| 3219 | continue; |
| 3220 | device_remove_file(dev, &sda_temp_type[i].dev_attr); |
| 3221 | device_remove_file(dev, &sda_temp_offset[i].dev_attr); |
| 3222 | if (i >= NUM_TEMP_ALARM) |
| 3223 | continue; |
| 3224 | device_remove_file(dev, &sda_temp_alarm[i].dev_attr); |
| 3225 | } |
| 3226 | |
Guenter Roeck | a6bd587 | 2012-12-04 03:13:34 -0800 | [diff] [blame] | 3227 | device_remove_file(dev, &sda_caseopen[0].dev_attr); |
| 3228 | device_remove_file(dev, &sda_caseopen[1].dev_attr); |
| 3229 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3230 | device_remove_file(dev, &dev_attr_name); |
| 3231 | device_remove_file(dev, &dev_attr_cpu0_vid); |
| 3232 | } |
| 3233 | |
| 3234 | /* Get the monitoring functions started */ |
| 3235 | static inline void nct6775_init_device(struct nct6775_data *data) |
| 3236 | { |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3237 | int i; |
| 3238 | u8 tmp, diode; |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3239 | |
| 3240 | /* Start monitoring if needed */ |
| 3241 | if (data->REG_CONFIG) { |
| 3242 | tmp = nct6775_read_value(data, data->REG_CONFIG); |
| 3243 | if (!(tmp & 0x01)) |
| 3244 | nct6775_write_value(data, data->REG_CONFIG, tmp | 0x01); |
| 3245 | } |
| 3246 | |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3247 | /* Enable temperature sensors if needed */ |
| 3248 | for (i = 0; i < NUM_TEMP; i++) { |
| 3249 | if (!(data->have_temp & (1 << i))) |
| 3250 | continue; |
| 3251 | if (!data->reg_temp_config[i]) |
| 3252 | continue; |
| 3253 | tmp = nct6775_read_value(data, data->reg_temp_config[i]); |
| 3254 | if (tmp & 0x01) |
| 3255 | nct6775_write_value(data, data->reg_temp_config[i], |
| 3256 | tmp & 0xfe); |
| 3257 | } |
| 3258 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3259 | /* Enable VBAT monitoring if needed */ |
| 3260 | tmp = nct6775_read_value(data, data->REG_VBAT); |
| 3261 | if (!(tmp & 0x01)) |
| 3262 | nct6775_write_value(data, data->REG_VBAT, tmp | 0x01); |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3263 | |
| 3264 | diode = nct6775_read_value(data, data->REG_DIODE); |
| 3265 | |
| 3266 | for (i = 0; i < data->temp_fixed_num; i++) { |
| 3267 | if (!(data->have_temp_fixed & (1 << i))) |
| 3268 | continue; |
| 3269 | if ((tmp & (0x02 << i))) /* diode */ |
| 3270 | data->temp_type[i] = 3 - ((diode >> i) & 0x02); |
| 3271 | else /* thermistor */ |
| 3272 | data->temp_type[i] = 4; |
| 3273 | } |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3274 | } |
| 3275 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3276 | static int |
| 3277 | nct6775_check_fan_inputs(const struct nct6775_sio_data *sio_data, |
| 3278 | struct nct6775_data *data) |
| 3279 | { |
| 3280 | int regval; |
| 3281 | bool fan3pin, fan3min, fan4pin, fan4min, fan5pin; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3282 | bool pwm3pin, pwm4pin, pwm5pin; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3283 | int ret; |
| 3284 | |
| 3285 | ret = superio_enter(sio_data->sioreg); |
| 3286 | if (ret) |
| 3287 | return ret; |
| 3288 | |
| 3289 | /* fan4 and fan5 share some pins with the GPIO and serial flash */ |
| 3290 | if (data->kind == nct6775) { |
| 3291 | regval = superio_inb(sio_data->sioreg, 0x2c); |
| 3292 | |
| 3293 | fan3pin = regval & (1 << 6); |
| 3294 | fan3min = fan3pin; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3295 | pwm3pin = regval & (1 << 7); |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3296 | |
| 3297 | /* On NCT6775, fan4 shares pins with the fdc interface */ |
| 3298 | fan4pin = !(superio_inb(sio_data->sioreg, 0x2A) & 0x80); |
| 3299 | fan4min = 0; |
| 3300 | fan5pin = 0; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3301 | pwm4pin = 0; |
| 3302 | pwm5pin = 0; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3303 | } else if (data->kind == nct6776) { |
| 3304 | bool gpok = superio_inb(sio_data->sioreg, 0x27) & 0x80; |
| 3305 | |
| 3306 | superio_select(sio_data->sioreg, NCT6775_LD_HWM); |
| 3307 | regval = superio_inb(sio_data->sioreg, SIO_REG_ENABLE); |
| 3308 | |
| 3309 | if (regval & 0x80) |
| 3310 | fan3pin = gpok; |
| 3311 | else |
| 3312 | fan3pin = !(superio_inb(sio_data->sioreg, 0x24) & 0x40); |
| 3313 | |
| 3314 | if (regval & 0x40) |
| 3315 | fan4pin = gpok; |
| 3316 | else |
| 3317 | fan4pin = superio_inb(sio_data->sioreg, 0x1C) & 0x01; |
| 3318 | |
| 3319 | if (regval & 0x20) |
| 3320 | fan5pin = gpok; |
| 3321 | else |
| 3322 | fan5pin = superio_inb(sio_data->sioreg, 0x1C) & 0x02; |
| 3323 | |
| 3324 | fan4min = fan4pin; |
| 3325 | fan3min = fan3pin; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3326 | pwm3pin = fan3pin; |
| 3327 | pwm4pin = 0; |
| 3328 | pwm5pin = 0; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3329 | } else { /* NCT6779D */ |
| 3330 | regval = superio_inb(sio_data->sioreg, 0x1c); |
| 3331 | |
| 3332 | fan3pin = !(regval & (1 << 5)); |
| 3333 | fan4pin = !(regval & (1 << 6)); |
| 3334 | fan5pin = !(regval & (1 << 7)); |
| 3335 | |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3336 | pwm3pin = !(regval & (1 << 0)); |
| 3337 | pwm4pin = !(regval & (1 << 1)); |
| 3338 | pwm5pin = !(regval & (1 << 2)); |
| 3339 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3340 | fan3min = fan3pin; |
| 3341 | fan4min = fan4pin; |
| 3342 | } |
| 3343 | |
| 3344 | superio_exit(sio_data->sioreg); |
| 3345 | |
| 3346 | data->has_fan = data->has_fan_min = 0x03; /* fan1 and fan2 */ |
| 3347 | data->has_fan |= fan3pin << 2; |
| 3348 | data->has_fan_min |= fan3min << 2; |
| 3349 | |
| 3350 | data->has_fan |= (fan4pin << 3) | (fan5pin << 4); |
| 3351 | data->has_fan_min |= (fan4min << 3) | (fan5pin << 4); |
| 3352 | |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3353 | data->has_pwm = 0x03 | (pwm3pin << 2) | (pwm4pin << 3) | (pwm5pin << 4); |
| 3354 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3355 | return 0; |
| 3356 | } |
| 3357 | |
Guenter Roeck | 8e9285b | 2012-12-04 08:03:37 -0800 | [diff] [blame] | 3358 | static void add_temp_sensors(struct nct6775_data *data, const u16 *regp, |
| 3359 | int *available, int *mask) |
| 3360 | { |
| 3361 | int i; |
| 3362 | u8 src; |
| 3363 | |
| 3364 | for (i = 0; i < data->pwm_num && *available; i++) { |
| 3365 | int index; |
| 3366 | |
| 3367 | if (!regp[i]) |
| 3368 | continue; |
| 3369 | src = nct6775_read_value(data, regp[i]); |
| 3370 | src &= 0x1f; |
| 3371 | if (!src || (*mask & (1 << src))) |
| 3372 | continue; |
| 3373 | if (src >= data->temp_label_num || |
| 3374 | !strlen(data->temp_label[src])) |
| 3375 | continue; |
| 3376 | |
| 3377 | index = __ffs(*available); |
| 3378 | nct6775_write_value(data, data->REG_TEMP_SOURCE[index], src); |
| 3379 | *available &= ~(1 << index); |
| 3380 | *mask |= 1 << src; |
| 3381 | } |
| 3382 | } |
| 3383 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3384 | static int nct6775_probe(struct platform_device *pdev) |
| 3385 | { |
| 3386 | struct device *dev = &pdev->dev; |
| 3387 | struct nct6775_sio_data *sio_data = dev->platform_data; |
| 3388 | struct nct6775_data *data; |
| 3389 | struct resource *res; |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3390 | int i, s, err = 0; |
| 3391 | int src, mask, available; |
| 3392 | const u16 *reg_temp, *reg_temp_over, *reg_temp_hyst, *reg_temp_config; |
| 3393 | const u16 *reg_temp_alternate, *reg_temp_crit; |
| 3394 | int num_reg_temp; |
Guenter Roeck | 0fc1f8f | 2013-02-26 09:43:50 -0800 | [diff] [blame] | 3395 | bool have_vid = false; |
| 3396 | u8 cr2a; |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3397 | |
| 3398 | res = platform_get_resource(pdev, IORESOURCE_IO, 0); |
| 3399 | if (!devm_request_region(&pdev->dev, res->start, IOREGION_LENGTH, |
| 3400 | DRVNAME)) |
| 3401 | return -EBUSY; |
| 3402 | |
| 3403 | data = devm_kzalloc(&pdev->dev, sizeof(struct nct6775_data), |
| 3404 | GFP_KERNEL); |
| 3405 | if (!data) |
| 3406 | return -ENOMEM; |
| 3407 | |
| 3408 | data->kind = sio_data->kind; |
| 3409 | data->addr = res->start; |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3410 | mutex_init(&data->update_lock); |
| 3411 | data->name = nct6775_device_names[data->kind]; |
| 3412 | data->bank = 0xff; /* Force initial bank selection */ |
| 3413 | platform_set_drvdata(pdev, data); |
| 3414 | |
| 3415 | switch (data->kind) { |
| 3416 | case nct6775: |
| 3417 | data->in_num = 9; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3418 | data->pwm_num = 3; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3419 | data->auto_pwm_num = 6; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3420 | data->has_fan_div = true; |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3421 | data->temp_fixed_num = 3; |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3422 | |
| 3423 | data->ALARM_BITS = NCT6775_ALARM_BITS; |
| 3424 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3425 | data->fan_from_reg = fan_from_reg16; |
| 3426 | data->fan_from_reg_min = fan_from_reg8; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3427 | data->target_temp_mask = 0x7f; |
| 3428 | data->tolerance_mask = 0x0f; |
| 3429 | data->speed_tolerance_limit = 15; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3430 | |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3431 | data->temp_label = nct6775_temp_label; |
| 3432 | data->temp_label_num = ARRAY_SIZE(nct6775_temp_label); |
| 3433 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3434 | data->REG_CONFIG = NCT6775_REG_CONFIG; |
| 3435 | data->REG_VBAT = NCT6775_REG_VBAT; |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3436 | data->REG_DIODE = NCT6775_REG_DIODE; |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3437 | data->REG_VIN = NCT6775_REG_IN; |
| 3438 | data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; |
| 3439 | data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3440 | data->REG_TARGET = NCT6775_REG_TARGET; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3441 | data->REG_FAN = NCT6775_REG_FAN; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3442 | data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3443 | data->REG_FAN_MIN = NCT6775_REG_FAN_MIN; |
Guenter Roeck | 5c25d95 | 2012-12-11 07:29:06 -0800 | [diff] [blame] | 3444 | data->REG_FAN_PULSES = NCT6775_REG_FAN_PULSES; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3445 | data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; |
| 3446 | data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME; |
| 3447 | data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3448 | data->REG_PWM[0] = NCT6775_REG_PWM; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3449 | data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; |
| 3450 | data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; |
| 3451 | data->REG_PWM[3] = NCT6775_REG_FAN_MAX_OUTPUT; |
| 3452 | data->REG_PWM[4] = NCT6775_REG_FAN_STEP_OUTPUT; |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 3453 | data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3454 | data->REG_PWM_READ = NCT6775_REG_PWM_READ; |
| 3455 | data->REG_PWM_MODE = NCT6775_REG_PWM_MODE; |
| 3456 | data->PWM_MODE_MASK = NCT6775_PWM_MODE_MASK; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3457 | data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; |
| 3458 | data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; |
| 3459 | data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; |
| 3460 | data->REG_CRITICAL_TEMP_TOLERANCE |
| 3461 | = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3462 | data->REG_TEMP_OFFSET = NCT6775_REG_TEMP_OFFSET; |
| 3463 | data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3464 | data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 3465 | data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL; |
| 3466 | data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP; |
| 3467 | data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; |
| 3468 | data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3469 | data->REG_ALARM = NCT6775_REG_ALARM; |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3470 | |
| 3471 | reg_temp = NCT6775_REG_TEMP; |
| 3472 | num_reg_temp = ARRAY_SIZE(NCT6775_REG_TEMP); |
| 3473 | reg_temp_over = NCT6775_REG_TEMP_OVER; |
| 3474 | reg_temp_hyst = NCT6775_REG_TEMP_HYST; |
| 3475 | reg_temp_config = NCT6775_REG_TEMP_CONFIG; |
| 3476 | reg_temp_alternate = NCT6775_REG_TEMP_ALTERNATE; |
| 3477 | reg_temp_crit = NCT6775_REG_TEMP_CRIT; |
| 3478 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3479 | break; |
| 3480 | case nct6776: |
| 3481 | data->in_num = 9; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3482 | data->pwm_num = 3; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3483 | data->auto_pwm_num = 4; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3484 | data->has_fan_div = false; |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3485 | data->temp_fixed_num = 3; |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3486 | |
| 3487 | data->ALARM_BITS = NCT6776_ALARM_BITS; |
| 3488 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3489 | data->fan_from_reg = fan_from_reg13; |
| 3490 | data->fan_from_reg_min = fan_from_reg13; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3491 | data->target_temp_mask = 0xff; |
| 3492 | data->tolerance_mask = 0x07; |
| 3493 | data->speed_tolerance_limit = 63; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3494 | |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3495 | data->temp_label = nct6776_temp_label; |
| 3496 | data->temp_label_num = ARRAY_SIZE(nct6776_temp_label); |
| 3497 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3498 | data->REG_CONFIG = NCT6775_REG_CONFIG; |
| 3499 | data->REG_VBAT = NCT6775_REG_VBAT; |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3500 | data->REG_DIODE = NCT6775_REG_DIODE; |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3501 | data->REG_VIN = NCT6775_REG_IN; |
| 3502 | data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; |
| 3503 | data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3504 | data->REG_TARGET = NCT6775_REG_TARGET; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3505 | data->REG_FAN = NCT6775_REG_FAN; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3506 | data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3507 | data->REG_FAN_MIN = NCT6776_REG_FAN_MIN; |
Guenter Roeck | 5c25d95 | 2012-12-11 07:29:06 -0800 | [diff] [blame] | 3508 | data->REG_FAN_PULSES = NCT6776_REG_FAN_PULSES; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3509 | data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; |
| 3510 | data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME; |
| 3511 | data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME; |
| 3512 | data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3513 | data->REG_PWM[0] = NCT6775_REG_PWM; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3514 | data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; |
| 3515 | data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 3516 | data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP; |
| 3517 | data->REG_PWM[6] = NCT6776_REG_WEIGHT_DUTY_BASE; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3518 | data->REG_PWM_READ = NCT6775_REG_PWM_READ; |
| 3519 | data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; |
| 3520 | data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3521 | data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; |
| 3522 | data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; |
| 3523 | data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; |
| 3524 | data->REG_CRITICAL_TEMP_TOLERANCE |
| 3525 | = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3526 | data->REG_TEMP_OFFSET = NCT6775_REG_TEMP_OFFSET; |
| 3527 | data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3528 | data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 3529 | data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL; |
| 3530 | data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP; |
| 3531 | data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; |
| 3532 | data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3533 | data->REG_ALARM = NCT6775_REG_ALARM; |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3534 | |
| 3535 | reg_temp = NCT6775_REG_TEMP; |
| 3536 | num_reg_temp = ARRAY_SIZE(NCT6775_REG_TEMP); |
| 3537 | reg_temp_over = NCT6775_REG_TEMP_OVER; |
| 3538 | reg_temp_hyst = NCT6775_REG_TEMP_HYST; |
| 3539 | reg_temp_config = NCT6776_REG_TEMP_CONFIG; |
| 3540 | reg_temp_alternate = NCT6776_REG_TEMP_ALTERNATE; |
| 3541 | reg_temp_crit = NCT6776_REG_TEMP_CRIT; |
| 3542 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3543 | break; |
| 3544 | case nct6779: |
| 3545 | data->in_num = 15; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3546 | data->pwm_num = 5; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3547 | data->auto_pwm_num = 4; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3548 | data->has_fan_div = false; |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3549 | data->temp_fixed_num = 6; |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3550 | |
| 3551 | data->ALARM_BITS = NCT6779_ALARM_BITS; |
| 3552 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3553 | data->fan_from_reg = fan_from_reg13; |
| 3554 | data->fan_from_reg_min = fan_from_reg13; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3555 | data->target_temp_mask = 0xff; |
| 3556 | data->tolerance_mask = 0x07; |
| 3557 | data->speed_tolerance_limit = 63; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3558 | |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3559 | data->temp_label = nct6779_temp_label; |
| 3560 | data->temp_label_num = ARRAY_SIZE(nct6779_temp_label); |
| 3561 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3562 | data->REG_CONFIG = NCT6775_REG_CONFIG; |
| 3563 | data->REG_VBAT = NCT6775_REG_VBAT; |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3564 | data->REG_DIODE = NCT6775_REG_DIODE; |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3565 | data->REG_VIN = NCT6779_REG_IN; |
| 3566 | data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; |
| 3567 | data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3568 | data->REG_TARGET = NCT6775_REG_TARGET; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3569 | data->REG_FAN = NCT6779_REG_FAN; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3570 | data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3571 | data->REG_FAN_MIN = NCT6776_REG_FAN_MIN; |
Guenter Roeck | 5c25d95 | 2012-12-11 07:29:06 -0800 | [diff] [blame] | 3572 | data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3573 | data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; |
| 3574 | data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME; |
| 3575 | data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME; |
| 3576 | data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3577 | data->REG_PWM[0] = NCT6775_REG_PWM; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3578 | data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; |
| 3579 | data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 3580 | data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP; |
| 3581 | data->REG_PWM[6] = NCT6776_REG_WEIGHT_DUTY_BASE; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3582 | data->REG_PWM_READ = NCT6775_REG_PWM_READ; |
| 3583 | data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; |
| 3584 | data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3585 | data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; |
| 3586 | data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; |
| 3587 | data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; |
| 3588 | data->REG_CRITICAL_TEMP_TOLERANCE |
| 3589 | = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3590 | data->REG_TEMP_OFFSET = NCT6779_REG_TEMP_OFFSET; |
| 3591 | data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3592 | data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 3593 | data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL; |
| 3594 | data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP; |
| 3595 | data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; |
| 3596 | data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3597 | data->REG_ALARM = NCT6779_REG_ALARM; |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3598 | |
| 3599 | reg_temp = NCT6779_REG_TEMP; |
| 3600 | num_reg_temp = ARRAY_SIZE(NCT6779_REG_TEMP); |
| 3601 | reg_temp_over = NCT6779_REG_TEMP_OVER; |
| 3602 | reg_temp_hyst = NCT6779_REG_TEMP_HYST; |
| 3603 | reg_temp_config = NCT6779_REG_TEMP_CONFIG; |
| 3604 | reg_temp_alternate = NCT6779_REG_TEMP_ALTERNATE; |
| 3605 | reg_temp_crit = NCT6779_REG_TEMP_CRIT; |
| 3606 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3607 | break; |
| 3608 | default: |
| 3609 | return -ENODEV; |
| 3610 | } |
| 3611 | data->have_in = (1 << data->in_num) - 1; |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3612 | data->have_temp = 0; |
| 3613 | |
| 3614 | /* |
| 3615 | * On some boards, not all available temperature sources are monitored, |
| 3616 | * even though some of the monitoring registers are unused. |
| 3617 | * Get list of unused monitoring registers, then detect if any fan |
| 3618 | * controls are configured to use unmonitored temperature sources. |
| 3619 | * If so, assign the unmonitored temperature sources to available |
| 3620 | * monitoring registers. |
| 3621 | */ |
| 3622 | mask = 0; |
| 3623 | available = 0; |
| 3624 | for (i = 0; i < num_reg_temp; i++) { |
| 3625 | if (reg_temp[i] == 0) |
| 3626 | continue; |
| 3627 | |
| 3628 | src = nct6775_read_value(data, data->REG_TEMP_SOURCE[i]) & 0x1f; |
| 3629 | if (!src || (mask & (1 << src))) |
| 3630 | available |= 1 << i; |
| 3631 | |
| 3632 | mask |= 1 << src; |
| 3633 | } |
| 3634 | |
Guenter Roeck | 8e9285b | 2012-12-04 08:03:37 -0800 | [diff] [blame] | 3635 | /* |
| 3636 | * Now find unmonitored temperature registers and enable monitoring |
| 3637 | * if additional monitoring registers are available. |
| 3638 | */ |
| 3639 | add_temp_sensors(data, data->REG_TEMP_SEL, &available, &mask); |
| 3640 | add_temp_sensors(data, data->REG_WEIGHT_TEMP_SEL, &available, &mask); |
| 3641 | |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3642 | mask = 0; |
| 3643 | s = NUM_TEMP_FIXED; /* First dynamic temperature attribute */ |
| 3644 | for (i = 0; i < num_reg_temp; i++) { |
| 3645 | if (reg_temp[i] == 0) |
| 3646 | continue; |
| 3647 | |
| 3648 | src = nct6775_read_value(data, data->REG_TEMP_SOURCE[i]) & 0x1f; |
| 3649 | if (!src || (mask & (1 << src))) |
| 3650 | continue; |
| 3651 | |
| 3652 | if (src >= data->temp_label_num || |
| 3653 | !strlen(data->temp_label[src])) { |
| 3654 | dev_info(dev, |
| 3655 | "Invalid temperature source %d at index %d, source register 0x%x, temp register 0x%x\n", |
| 3656 | src, i, data->REG_TEMP_SOURCE[i], reg_temp[i]); |
| 3657 | continue; |
| 3658 | } |
| 3659 | |
| 3660 | mask |= 1 << src; |
| 3661 | |
| 3662 | /* Use fixed index for SYSTIN(1), CPUTIN(2), AUXTIN(3) */ |
| 3663 | if (src <= data->temp_fixed_num) { |
| 3664 | data->have_temp |= 1 << (src - 1); |
| 3665 | data->have_temp_fixed |= 1 << (src - 1); |
| 3666 | data->reg_temp[0][src - 1] = reg_temp[i]; |
| 3667 | data->reg_temp[1][src - 1] = reg_temp_over[i]; |
| 3668 | data->reg_temp[2][src - 1] = reg_temp_hyst[i]; |
| 3669 | data->reg_temp_config[src - 1] = reg_temp_config[i]; |
| 3670 | data->temp_src[src - 1] = src; |
| 3671 | continue; |
| 3672 | } |
| 3673 | |
| 3674 | if (s >= NUM_TEMP) |
| 3675 | continue; |
| 3676 | |
| 3677 | /* Use dynamic index for other sources */ |
| 3678 | data->have_temp |= 1 << s; |
| 3679 | data->reg_temp[0][s] = reg_temp[i]; |
| 3680 | data->reg_temp[1][s] = reg_temp_over[i]; |
| 3681 | data->reg_temp[2][s] = reg_temp_hyst[i]; |
| 3682 | data->reg_temp_config[s] = reg_temp_config[i]; |
| 3683 | if (reg_temp_crit[src - 1]) |
| 3684 | data->reg_temp[3][s] = reg_temp_crit[src - 1]; |
| 3685 | |
| 3686 | data->temp_src[s] = src; |
| 3687 | s++; |
| 3688 | } |
| 3689 | |
| 3690 | #ifdef USE_ALTERNATE |
| 3691 | /* |
| 3692 | * Go through the list of alternate temp registers and enable |
| 3693 | * if possible. |
| 3694 | * The temperature is already monitored if the respective bit in <mask> |
| 3695 | * is set. |
| 3696 | */ |
| 3697 | for (i = 0; i < data->temp_label_num - 1; i++) { |
| 3698 | if (!reg_temp_alternate[i]) |
| 3699 | continue; |
| 3700 | if (mask & (1 << (i + 1))) |
| 3701 | continue; |
| 3702 | if (i < data->temp_fixed_num) { |
| 3703 | if (data->have_temp & (1 << i)) |
| 3704 | continue; |
| 3705 | data->have_temp |= 1 << i; |
| 3706 | data->have_temp_fixed |= 1 << i; |
| 3707 | data->reg_temp[0][i] = reg_temp_alternate[i]; |
| 3708 | data->reg_temp[1][i] = reg_temp_over[i]; |
| 3709 | data->reg_temp[2][i] = reg_temp_hyst[i]; |
| 3710 | data->temp_src[i] = i + 1; |
| 3711 | continue; |
| 3712 | } |
| 3713 | |
| 3714 | if (s >= NUM_TEMP) /* Abort if no more space */ |
| 3715 | break; |
| 3716 | |
| 3717 | data->have_temp |= 1 << s; |
| 3718 | data->reg_temp[0][s] = reg_temp_alternate[i]; |
| 3719 | data->temp_src[s] = i + 1; |
| 3720 | s++; |
| 3721 | } |
| 3722 | #endif /* USE_ALTERNATE */ |
| 3723 | |
| 3724 | switch (data->kind) { |
| 3725 | case nct6775: |
| 3726 | break; |
| 3727 | case nct6776: |
| 3728 | /* |
| 3729 | * On NCT6776, AUXTIN and VIN3 pins are shared. |
| 3730 | * Only way to detect it is to check if AUXTIN is used |
| 3731 | * as a temperature source, and if that source is |
| 3732 | * enabled. |
| 3733 | * |
| 3734 | * If that is the case, disable in6, which reports VIN3. |
| 3735 | * Otherwise disable temp3. |
| 3736 | */ |
| 3737 | if (data->have_temp & (1 << 2)) { |
| 3738 | u8 reg = nct6775_read_value(data, |
| 3739 | data->reg_temp_config[2]); |
| 3740 | if (reg & 0x01) |
| 3741 | data->have_temp &= ~(1 << 2); |
| 3742 | else |
| 3743 | data->have_in &= ~(1 << 6); |
| 3744 | } |
| 3745 | break; |
| 3746 | case nct6779: |
| 3747 | /* |
| 3748 | * Shared pins: |
| 3749 | * VIN4 / AUXTIN0 |
| 3750 | * VIN5 / AUXTIN1 |
| 3751 | * VIN6 / AUXTIN2 |
| 3752 | * VIN7 / AUXTIN3 |
| 3753 | * |
| 3754 | * There does not seem to be a clean way to detect if VINx or |
| 3755 | * AUXTINx is active, so for keep both sensor types enabled |
| 3756 | * for now. |
| 3757 | */ |
| 3758 | break; |
| 3759 | } |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3760 | |
| 3761 | /* Initialize the chip */ |
| 3762 | nct6775_init_device(data); |
| 3763 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3764 | err = superio_enter(sio_data->sioreg); |
| 3765 | if (err) |
| 3766 | return err; |
| 3767 | |
Guenter Roeck | 0fc1f8f | 2013-02-26 09:43:50 -0800 | [diff] [blame] | 3768 | cr2a = superio_inb(sio_data->sioreg, 0x2a); |
| 3769 | switch (data->kind) { |
| 3770 | case nct6775: |
| 3771 | have_vid = (cr2a & 0x40); |
| 3772 | break; |
| 3773 | case nct6776: |
| 3774 | have_vid = (cr2a & 0x60) == 0x40; |
| 3775 | break; |
| 3776 | case nct6779: |
| 3777 | break; |
| 3778 | } |
| 3779 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3780 | /* |
| 3781 | * Read VID value |
| 3782 | * We can get the VID input values directly at logical device D 0xe3. |
| 3783 | */ |
Guenter Roeck | 0fc1f8f | 2013-02-26 09:43:50 -0800 | [diff] [blame] | 3784 | if (have_vid) { |
| 3785 | superio_select(sio_data->sioreg, NCT6775_LD_VID); |
| 3786 | data->vid = superio_inb(sio_data->sioreg, 0xe3); |
| 3787 | data->vrm = vid_which_vrm(); |
| 3788 | } |
Guenter Roeck | 47ece96 | 2012-12-04 07:59:32 -0800 | [diff] [blame] | 3789 | |
| 3790 | if (fan_debounce) { |
| 3791 | u8 tmp; |
| 3792 | |
| 3793 | superio_select(sio_data->sioreg, NCT6775_LD_HWM); |
| 3794 | tmp = superio_inb(sio_data->sioreg, |
| 3795 | NCT6775_REG_CR_FAN_DEBOUNCE); |
| 3796 | switch (data->kind) { |
| 3797 | case nct6775: |
| 3798 | tmp |= 0x1e; |
| 3799 | break; |
| 3800 | case nct6776: |
| 3801 | case nct6779: |
| 3802 | tmp |= 0x3e; |
| 3803 | break; |
| 3804 | } |
| 3805 | superio_outb(sio_data->sioreg, NCT6775_REG_CR_FAN_DEBOUNCE, |
| 3806 | tmp); |
| 3807 | dev_info(&pdev->dev, "Enabled fan debounce for chip %s\n", |
| 3808 | data->name); |
| 3809 | } |
| 3810 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3811 | superio_exit(sio_data->sioreg); |
| 3812 | |
Guenter Roeck | 0fc1f8f | 2013-02-26 09:43:50 -0800 | [diff] [blame] | 3813 | if (have_vid) { |
| 3814 | err = device_create_file(dev, &dev_attr_cpu0_vid); |
| 3815 | if (err) |
| 3816 | return err; |
| 3817 | } |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3818 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3819 | err = nct6775_check_fan_inputs(sio_data, data); |
| 3820 | if (err) |
| 3821 | goto exit_remove; |
| 3822 | |
| 3823 | /* Read fan clock dividers immediately */ |
| 3824 | nct6775_init_fan_common(dev, data); |
| 3825 | |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3826 | /* Register sysfs hooks */ |
| 3827 | for (i = 0; i < data->pwm_num; i++) { |
| 3828 | if (!(data->has_pwm & (1 << i))) |
| 3829 | continue; |
| 3830 | |
| 3831 | err = sysfs_create_group(&dev->kobj, &nct6775_group_pwm[i]); |
| 3832 | if (err) |
| 3833 | goto exit_remove; |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3834 | |
| 3835 | if (data->REG_PWM[3]) { |
| 3836 | err = device_create_file(dev, |
| 3837 | &sda_pwm_max[i].dev_attr); |
| 3838 | if (err) |
| 3839 | goto exit_remove; |
| 3840 | } |
| 3841 | if (data->REG_PWM[4]) { |
| 3842 | err = device_create_file(dev, |
| 3843 | &sda_pwm_step[i].dev_attr); |
| 3844 | if (err) |
| 3845 | goto exit_remove; |
| 3846 | } |
Guenter Roeck | bbd8dec | 2012-12-04 09:08:29 -0800 | [diff] [blame] | 3847 | if (data->REG_PWM[6]) { |
| 3848 | err = device_create_file(dev, |
| 3849 | &sda_weight_duty_base[i].dev_attr); |
| 3850 | if (err) |
| 3851 | goto exit_remove; |
| 3852 | } |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3853 | } |
| 3854 | for (i = 0; i < ARRAY_SIZE(sda_auto_pwm_arrays); i++) { |
| 3855 | struct sensor_device_attribute_2 *attr = |
| 3856 | &sda_auto_pwm_arrays[i]; |
| 3857 | |
| 3858 | if (!(data->has_pwm & (1 << attr->nr))) |
| 3859 | continue; |
| 3860 | if (attr->index > data->auto_pwm_num) |
| 3861 | continue; |
| 3862 | err = device_create_file(dev, &attr->dev_attr); |
| 3863 | if (err) |
| 3864 | goto exit_remove; |
Guenter Roeck | 77eb5b3 | 2012-12-04 08:30:54 -0800 | [diff] [blame] | 3865 | } |
| 3866 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3867 | for (i = 0; i < data->in_num; i++) { |
| 3868 | if (!(data->have_in & (1 << i))) |
| 3869 | continue; |
| 3870 | err = sysfs_create_group(&dev->kobj, &nct6775_group_in[i]); |
| 3871 | if (err) |
| 3872 | goto exit_remove; |
| 3873 | } |
| 3874 | |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3875 | for (i = 0; i < 5; i++) { |
| 3876 | if (data->has_fan & (1 << i)) { |
| 3877 | err = device_create_file(dev, |
| 3878 | &sda_fan_input[i].dev_attr); |
| 3879 | if (err) |
| 3880 | goto exit_remove; |
| 3881 | err = device_create_file(dev, |
| 3882 | &sda_fan_alarm[i].dev_attr); |
| 3883 | if (err) |
| 3884 | goto exit_remove; |
| 3885 | if (data->kind != nct6776 && |
| 3886 | data->kind != nct6779) { |
| 3887 | err = device_create_file(dev, |
| 3888 | &sda_fan_div[i].dev_attr); |
| 3889 | if (err) |
| 3890 | goto exit_remove; |
| 3891 | } |
| 3892 | if (data->has_fan_min & (1 << i)) { |
| 3893 | err = device_create_file(dev, |
| 3894 | &sda_fan_min[i].dev_attr); |
| 3895 | if (err) |
| 3896 | goto exit_remove; |
| 3897 | } |
Guenter Roeck | 5c25d95 | 2012-12-11 07:29:06 -0800 | [diff] [blame] | 3898 | err = device_create_file(dev, |
Guenter Roeck | cdcaece | 2012-12-04 09:04:52 -0800 | [diff] [blame] | 3899 | &sda_fan_pulses[i].dev_attr); |
Guenter Roeck | 5c25d95 | 2012-12-11 07:29:06 -0800 | [diff] [blame] | 3900 | if (err) |
| 3901 | goto exit_remove; |
Guenter Roeck | 1c65dc3 | 2012-12-04 07:56:24 -0800 | [diff] [blame] | 3902 | } |
| 3903 | } |
| 3904 | |
Guenter Roeck | aa136e5 | 2012-12-04 03:26:05 -0800 | [diff] [blame] | 3905 | for (i = 0; i < NUM_TEMP; i++) { |
| 3906 | if (!(data->have_temp & (1 << i))) |
| 3907 | continue; |
| 3908 | err = device_create_file(dev, &sda_temp_input[i].dev_attr); |
| 3909 | if (err) |
| 3910 | goto exit_remove; |
| 3911 | if (data->temp_label) { |
| 3912 | err = device_create_file(dev, |
| 3913 | &sda_temp_label[i].dev_attr); |
| 3914 | if (err) |
| 3915 | goto exit_remove; |
| 3916 | } |
| 3917 | if (data->reg_temp[1][i]) { |
| 3918 | err = device_create_file(dev, |
| 3919 | &sda_temp_max[i].dev_attr); |
| 3920 | if (err) |
| 3921 | goto exit_remove; |
| 3922 | } |
| 3923 | if (data->reg_temp[2][i]) { |
| 3924 | err = device_create_file(dev, |
| 3925 | &sda_temp_max_hyst[i].dev_attr); |
| 3926 | if (err) |
| 3927 | goto exit_remove; |
| 3928 | } |
| 3929 | if (data->reg_temp[3][i]) { |
| 3930 | err = device_create_file(dev, |
| 3931 | &sda_temp_crit[i].dev_attr); |
| 3932 | if (err) |
| 3933 | goto exit_remove; |
| 3934 | } |
| 3935 | if (!(data->have_temp_fixed & (1 << i))) |
| 3936 | continue; |
| 3937 | err = device_create_file(dev, &sda_temp_type[i].dev_attr); |
| 3938 | if (err) |
| 3939 | goto exit_remove; |
| 3940 | err = device_create_file(dev, &sda_temp_offset[i].dev_attr); |
| 3941 | if (err) |
| 3942 | goto exit_remove; |
| 3943 | if (i >= NUM_TEMP_ALARM || |
| 3944 | data->ALARM_BITS[TEMP_ALARM_BASE + i] < 0) |
| 3945 | continue; |
| 3946 | err = device_create_file(dev, &sda_temp_alarm[i].dev_attr); |
| 3947 | if (err) |
| 3948 | goto exit_remove; |
| 3949 | } |
| 3950 | |
Guenter Roeck | a6bd587 | 2012-12-04 03:13:34 -0800 | [diff] [blame] | 3951 | for (i = 0; i < ARRAY_SIZE(sda_caseopen); i++) { |
| 3952 | if (data->ALARM_BITS[INTRUSION_ALARM_BASE + i] < 0) |
| 3953 | continue; |
| 3954 | err = device_create_file(dev, &sda_caseopen[i].dev_attr); |
| 3955 | if (err) |
| 3956 | goto exit_remove; |
| 3957 | } |
| 3958 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 3959 | err = device_create_file(dev, &dev_attr_name); |
| 3960 | if (err) |
| 3961 | goto exit_remove; |
| 3962 | |
| 3963 | data->hwmon_dev = hwmon_device_register(dev); |
| 3964 | if (IS_ERR(data->hwmon_dev)) { |
| 3965 | err = PTR_ERR(data->hwmon_dev); |
| 3966 | goto exit_remove; |
| 3967 | } |
| 3968 | |
| 3969 | return 0; |
| 3970 | |
| 3971 | exit_remove: |
| 3972 | nct6775_device_remove_files(dev); |
| 3973 | return err; |
| 3974 | } |
| 3975 | |
| 3976 | static int nct6775_remove(struct platform_device *pdev) |
| 3977 | { |
| 3978 | struct nct6775_data *data = platform_get_drvdata(pdev); |
| 3979 | |
| 3980 | hwmon_device_unregister(data->hwmon_dev); |
| 3981 | nct6775_device_remove_files(&pdev->dev); |
| 3982 | |
| 3983 | return 0; |
| 3984 | } |
| 3985 | |
Guenter Roeck | 84d19d9 | 2012-12-04 08:01:39 -0800 | [diff] [blame] | 3986 | #ifdef CONFIG_PM |
| 3987 | static int nct6775_suspend(struct device *dev) |
| 3988 | { |
| 3989 | struct nct6775_data *data = nct6775_update_device(dev); |
| 3990 | struct nct6775_sio_data *sio_data = dev->platform_data; |
| 3991 | |
| 3992 | mutex_lock(&data->update_lock); |
| 3993 | data->vbat = nct6775_read_value(data, data->REG_VBAT); |
| 3994 | if (sio_data->kind == nct6775) { |
| 3995 | data->fandiv1 = nct6775_read_value(data, NCT6775_REG_FANDIV1); |
| 3996 | data->fandiv2 = nct6775_read_value(data, NCT6775_REG_FANDIV2); |
| 3997 | } |
| 3998 | mutex_unlock(&data->update_lock); |
| 3999 | |
| 4000 | return 0; |
| 4001 | } |
| 4002 | |
| 4003 | static int nct6775_resume(struct device *dev) |
| 4004 | { |
| 4005 | struct nct6775_data *data = dev_get_drvdata(dev); |
| 4006 | struct nct6775_sio_data *sio_data = dev->platform_data; |
| 4007 | int i, j; |
| 4008 | |
| 4009 | mutex_lock(&data->update_lock); |
| 4010 | data->bank = 0xff; /* Force initial bank selection */ |
| 4011 | |
| 4012 | /* Restore limits */ |
| 4013 | for (i = 0; i < data->in_num; i++) { |
| 4014 | if (!(data->have_in & (1 << i))) |
| 4015 | continue; |
| 4016 | |
| 4017 | nct6775_write_value(data, data->REG_IN_MINMAX[0][i], |
| 4018 | data->in[i][1]); |
| 4019 | nct6775_write_value(data, data->REG_IN_MINMAX[1][i], |
| 4020 | data->in[i][2]); |
| 4021 | } |
| 4022 | |
| 4023 | for (i = 0; i < 5; i++) { |
| 4024 | if (!(data->has_fan_min & (1 << i))) |
| 4025 | continue; |
| 4026 | |
| 4027 | nct6775_write_value(data, data->REG_FAN_MIN[i], |
| 4028 | data->fan_min[i]); |
| 4029 | } |
| 4030 | |
| 4031 | for (i = 0; i < NUM_TEMP; i++) { |
| 4032 | if (!(data->have_temp & (1 << i))) |
| 4033 | continue; |
| 4034 | |
| 4035 | for (j = 1; j < 4; j++) |
| 4036 | if (data->reg_temp[j][i]) |
| 4037 | nct6775_write_temp(data, data->reg_temp[j][i], |
| 4038 | data->temp[j][i]); |
| 4039 | } |
| 4040 | |
| 4041 | /* Restore other settings */ |
| 4042 | nct6775_write_value(data, data->REG_VBAT, data->vbat); |
| 4043 | if (sio_data->kind == nct6775) { |
| 4044 | nct6775_write_value(data, NCT6775_REG_FANDIV1, data->fandiv1); |
| 4045 | nct6775_write_value(data, NCT6775_REG_FANDIV2, data->fandiv2); |
| 4046 | } |
| 4047 | |
| 4048 | /* Force re-reading all values */ |
| 4049 | data->valid = false; |
| 4050 | mutex_unlock(&data->update_lock); |
| 4051 | |
| 4052 | return 0; |
| 4053 | } |
| 4054 | |
| 4055 | static const struct dev_pm_ops nct6775_dev_pm_ops = { |
| 4056 | .suspend = nct6775_suspend, |
| 4057 | .resume = nct6775_resume, |
| 4058 | }; |
| 4059 | |
| 4060 | #define NCT6775_DEV_PM_OPS (&nct6775_dev_pm_ops) |
| 4061 | #else |
| 4062 | #define NCT6775_DEV_PM_OPS NULL |
| 4063 | #endif /* CONFIG_PM */ |
| 4064 | |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 4065 | static struct platform_driver nct6775_driver = { |
| 4066 | .driver = { |
| 4067 | .owner = THIS_MODULE, |
| 4068 | .name = DRVNAME, |
Guenter Roeck | 84d19d9 | 2012-12-04 08:01:39 -0800 | [diff] [blame] | 4069 | .pm = NCT6775_DEV_PM_OPS, |
Guenter Roeck | 9de2e2e | 2012-05-20 19:29:48 -0700 | [diff] [blame] | 4070 | }, |
| 4071 | .probe = nct6775_probe, |
| 4072 | .remove = nct6775_remove, |
| 4073 | }; |
| 4074 | |
| 4075 | /* nct6775_find() looks for a '627 in the Super-I/O config space */ |
| 4076 | static int __init nct6775_find(int sioaddr, unsigned short *addr, |
| 4077 | struct nct6775_sio_data *sio_data) |
| 4078 | { |
| 4079 | static const char sio_name_NCT6775[] __initconst = "NCT6775F"; |
| 4080 | static const char sio_name_NCT6776[] __initconst = "NCT6776F"; |
| 4081 | static const char sio_name_NCT6779[] __initconst = "NCT6779D"; |
| 4082 | |
| 4083 | u16 val; |
| 4084 | const char *sio_name; |
| 4085 | int err; |
| 4086 | |
| 4087 | err = superio_enter(sioaddr); |
| 4088 | if (err) |
| 4089 | return err; |
| 4090 | |
| 4091 | if (force_id) |
| 4092 | val = force_id; |
| 4093 | else |
| 4094 | val = (superio_inb(sioaddr, SIO_REG_DEVID) << 8) |
| 4095 | | superio_inb(sioaddr, SIO_REG_DEVID + 1); |
| 4096 | switch (val & SIO_ID_MASK) { |
| 4097 | case SIO_NCT6775_ID: |
| 4098 | sio_data->kind = nct6775; |
| 4099 | sio_name = sio_name_NCT6775; |
| 4100 | break; |
| 4101 | case SIO_NCT6776_ID: |
| 4102 | sio_data->kind = nct6776; |
| 4103 | sio_name = sio_name_NCT6776; |
| 4104 | break; |
| 4105 | case SIO_NCT6779_ID: |
| 4106 | sio_data->kind = nct6779; |
| 4107 | sio_name = sio_name_NCT6779; |
| 4108 | break; |
| 4109 | default: |
| 4110 | if (val != 0xffff) |
| 4111 | pr_debug("unsupported chip ID: 0x%04x\n", val); |
| 4112 | superio_exit(sioaddr); |
| 4113 | return -ENODEV; |
| 4114 | } |
| 4115 | |
| 4116 | /* We have a known chip, find the HWM I/O address */ |
| 4117 | superio_select(sioaddr, NCT6775_LD_HWM); |
| 4118 | val = (superio_inb(sioaddr, SIO_REG_ADDR) << 8) |
| 4119 | | superio_inb(sioaddr, SIO_REG_ADDR + 1); |
| 4120 | *addr = val & IOREGION_ALIGNMENT; |
| 4121 | if (*addr == 0) { |
| 4122 | pr_err("Refusing to enable a Super-I/O device with a base I/O port 0\n"); |
| 4123 | superio_exit(sioaddr); |
| 4124 | return -ENODEV; |
| 4125 | } |
| 4126 | |
| 4127 | /* Activate logical device if needed */ |
| 4128 | val = superio_inb(sioaddr, SIO_REG_ENABLE); |
| 4129 | if (!(val & 0x01)) { |
| 4130 | pr_warn("Forcibly enabling Super-I/O. Sensor is probably unusable.\n"); |
| 4131 | superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01); |
| 4132 | } |
| 4133 | |
| 4134 | superio_exit(sioaddr); |
| 4135 | pr_info("Found %s chip at %#x\n", sio_name, *addr); |
| 4136 | sio_data->sioreg = sioaddr; |
| 4137 | |
| 4138 | return 0; |
| 4139 | } |
| 4140 | |
| 4141 | /* |
| 4142 | * when Super-I/O functions move to a separate file, the Super-I/O |
| 4143 | * bus will manage the lifetime of the device and this module will only keep |
| 4144 | * track of the nct6775 driver. But since we platform_device_alloc(), we |
| 4145 | * must keep track of the device |
| 4146 | */ |
| 4147 | static struct platform_device *pdev; |
| 4148 | |
| 4149 | static int __init sensors_nct6775_init(void) |
| 4150 | { |
| 4151 | int err; |
| 4152 | unsigned short address; |
| 4153 | struct resource res; |
| 4154 | struct nct6775_sio_data sio_data; |
| 4155 | |
| 4156 | /* |
| 4157 | * initialize sio_data->kind and sio_data->sioreg. |
| 4158 | * |
| 4159 | * when Super-I/O functions move to a separate file, the Super-I/O |
| 4160 | * driver will probe 0x2e and 0x4e and auto-detect the presence of a |
| 4161 | * nct6775 hardware monitor, and call probe() |
| 4162 | */ |
| 4163 | if (nct6775_find(0x2e, &address, &sio_data) && |
| 4164 | nct6775_find(0x4e, &address, &sio_data)) |
| 4165 | return -ENODEV; |
| 4166 | |
| 4167 | err = platform_driver_register(&nct6775_driver); |
| 4168 | if (err) |
| 4169 | goto exit; |
| 4170 | |
| 4171 | pdev = platform_device_alloc(DRVNAME, address); |
| 4172 | if (!pdev) { |
| 4173 | err = -ENOMEM; |
| 4174 | pr_err("Device allocation failed\n"); |
| 4175 | goto exit_unregister; |
| 4176 | } |
| 4177 | |
| 4178 | err = platform_device_add_data(pdev, &sio_data, |
| 4179 | sizeof(struct nct6775_sio_data)); |
| 4180 | if (err) { |
| 4181 | pr_err("Platform data allocation failed\n"); |
| 4182 | goto exit_device_put; |
| 4183 | } |
| 4184 | |
| 4185 | memset(&res, 0, sizeof(res)); |
| 4186 | res.name = DRVNAME; |
| 4187 | res.start = address + IOREGION_OFFSET; |
| 4188 | res.end = address + IOREGION_OFFSET + IOREGION_LENGTH - 1; |
| 4189 | res.flags = IORESOURCE_IO; |
| 4190 | |
| 4191 | err = acpi_check_resource_conflict(&res); |
| 4192 | if (err) |
| 4193 | goto exit_device_put; |
| 4194 | |
| 4195 | err = platform_device_add_resources(pdev, &res, 1); |
| 4196 | if (err) { |
| 4197 | pr_err("Device resource addition failed (%d)\n", err); |
| 4198 | goto exit_device_put; |
| 4199 | } |
| 4200 | |
| 4201 | /* platform_device_add calls probe() */ |
| 4202 | err = platform_device_add(pdev); |
| 4203 | if (err) { |
| 4204 | pr_err("Device addition failed (%d)\n", err); |
| 4205 | goto exit_device_put; |
| 4206 | } |
| 4207 | |
| 4208 | return 0; |
| 4209 | |
| 4210 | exit_device_put: |
| 4211 | platform_device_put(pdev); |
| 4212 | exit_unregister: |
| 4213 | platform_driver_unregister(&nct6775_driver); |
| 4214 | exit: |
| 4215 | return err; |
| 4216 | } |
| 4217 | |
| 4218 | static void __exit sensors_nct6775_exit(void) |
| 4219 | { |
| 4220 | platform_device_unregister(pdev); |
| 4221 | platform_driver_unregister(&nct6775_driver); |
| 4222 | } |
| 4223 | |
| 4224 | MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>"); |
| 4225 | MODULE_DESCRIPTION("NCT6775F/NCT6776F/NCT6779D driver"); |
| 4226 | MODULE_LICENSE("GPL"); |
| 4227 | |
| 4228 | module_init(sensors_nct6775_init); |
| 4229 | module_exit(sensors_nct6775_exit); |