Commit | Line | Data |
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9de2e2e8 GR |
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 | |
7c81c60f | 8 | * Copyright (C) 2005-2012 Jean Delvare <jdelvare@suse.de> |
9de2e2e8 GR |
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 | |
6c009501 | 36 | * nct6106d 9 3 3 6+3 0xc450 0xc1 0x5ca3 |
9de2e2e8 GR |
37 | * nct6775f 9 4 3 6+3 0xb470 0xc1 0x5ca3 |
38 | * nct6776f 9 5 3 6+3 0xc330 0xc1 0x5ca3 | |
39 | * nct6779d 15 5 5 2+6 0xc560 0xc1 0x5ca3 | |
578ab5f0 | 40 | * nct6791d 15 6 6 2+6 0xc800 0xc1 0x5ca3 |
8aefb93f | 41 | * nct6792d 15 6 6 2+6 0xc910 0xc1 0x5ca3 |
cd1faefa | 42 | * nct6793d 15 6 6 2+6 0xd120 0xc1 0x5ca3 |
9de2e2e8 GR |
43 | * |
44 | * #temp lists the number of monitored temperature sources (first value) plus | |
45 | * the number of directly connectable temperature sensors (second value). | |
46 | */ | |
47 | ||
48 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
49 | ||
50 | #include <linux/module.h> | |
51 | #include <linux/init.h> | |
52 | #include <linux/slab.h> | |
53 | #include <linux/jiffies.h> | |
54 | #include <linux/platform_device.h> | |
55 | #include <linux/hwmon.h> | |
56 | #include <linux/hwmon-sysfs.h> | |
57 | #include <linux/hwmon-vid.h> | |
58 | #include <linux/err.h> | |
59 | #include <linux/mutex.h> | |
60 | #include <linux/acpi.h> | |
25cdd99d | 61 | #include <linux/dmi.h> |
9de2e2e8 GR |
62 | #include <linux/io.h> |
63 | #include "lm75.h" | |
64 | ||
aa136e5d GR |
65 | #define USE_ALTERNATE |
66 | ||
cd1faefa | 67 | enum kinds { nct6106, nct6775, nct6776, nct6779, nct6791, nct6792, nct6793 }; |
9de2e2e8 GR |
68 | |
69 | /* used to set data->name = nct6775_device_names[data->sio_kind] */ | |
70 | static const char * const nct6775_device_names[] = { | |
6c009501 | 71 | "nct6106", |
9de2e2e8 GR |
72 | "nct6775", |
73 | "nct6776", | |
74 | "nct6779", | |
578ab5f0 | 75 | "nct6791", |
8aefb93f | 76 | "nct6792", |
cd1faefa GR |
77 | "nct6793", |
78 | }; | |
79 | ||
80 | static const char * const nct6775_sio_names[] __initconst = { | |
81 | "NCT6106D", | |
82 | "NCT6775F", | |
83 | "NCT6776D/F", | |
84 | "NCT6779D", | |
85 | "NCT6791D", | |
86 | "NCT6792D", | |
87 | "NCT6793D", | |
9de2e2e8 GR |
88 | }; |
89 | ||
90 | static unsigned short force_id; | |
91 | module_param(force_id, ushort, 0); | |
92 | MODULE_PARM_DESC(force_id, "Override the detected device ID"); | |
93 | ||
47ece964 GR |
94 | static unsigned short fan_debounce; |
95 | module_param(fan_debounce, ushort, 0); | |
96 | MODULE_PARM_DESC(fan_debounce, "Enable debouncing for fan RPM signal"); | |
97 | ||
9de2e2e8 GR |
98 | #define DRVNAME "nct6775" |
99 | ||
100 | /* | |
101 | * Super-I/O constants and functions | |
102 | */ | |
103 | ||
a6bd5878 | 104 | #define NCT6775_LD_ACPI 0x0a |
9de2e2e8 GR |
105 | #define NCT6775_LD_HWM 0x0b |
106 | #define NCT6775_LD_VID 0x0d | |
107 | ||
108 | #define SIO_REG_LDSEL 0x07 /* Logical device select */ | |
109 | #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ | |
110 | #define SIO_REG_ENABLE 0x30 /* Logical device enable */ | |
111 | #define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */ | |
112 | ||
6c009501 | 113 | #define SIO_NCT6106_ID 0xc450 |
9de2e2e8 GR |
114 | #define SIO_NCT6775_ID 0xb470 |
115 | #define SIO_NCT6776_ID 0xc330 | |
116 | #define SIO_NCT6779_ID 0xc560 | |
578ab5f0 | 117 | #define SIO_NCT6791_ID 0xc800 |
8aefb93f | 118 | #define SIO_NCT6792_ID 0xc910 |
cd1faefa | 119 | #define SIO_NCT6793_ID 0xd120 |
9de2e2e8 GR |
120 | #define SIO_ID_MASK 0xFFF0 |
121 | ||
77eb5b37 GR |
122 | enum pwm_enable { off, manual, thermal_cruise, speed_cruise, sf3, sf4 }; |
123 | ||
9de2e2e8 GR |
124 | static inline void |
125 | superio_outb(int ioreg, int reg, int val) | |
126 | { | |
127 | outb(reg, ioreg); | |
128 | outb(val, ioreg + 1); | |
129 | } | |
130 | ||
131 | static inline int | |
132 | superio_inb(int ioreg, int reg) | |
133 | { | |
134 | outb(reg, ioreg); | |
135 | return inb(ioreg + 1); | |
136 | } | |
137 | ||
138 | static inline void | |
139 | superio_select(int ioreg, int ld) | |
140 | { | |
141 | outb(SIO_REG_LDSEL, ioreg); | |
142 | outb(ld, ioreg + 1); | |
143 | } | |
144 | ||
145 | static inline int | |
146 | superio_enter(int ioreg) | |
147 | { | |
148 | /* | |
149 | * Try to reserve <ioreg> and <ioreg + 1> for exclusive access. | |
150 | */ | |
151 | if (!request_muxed_region(ioreg, 2, DRVNAME)) | |
152 | return -EBUSY; | |
153 | ||
154 | outb(0x87, ioreg); | |
155 | outb(0x87, ioreg); | |
156 | ||
157 | return 0; | |
158 | } | |
159 | ||
160 | static inline void | |
161 | superio_exit(int ioreg) | |
162 | { | |
163 | outb(0xaa, ioreg); | |
164 | outb(0x02, ioreg); | |
165 | outb(0x02, ioreg + 1); | |
166 | release_region(ioreg, 2); | |
167 | } | |
168 | ||
169 | /* | |
170 | * ISA constants | |
171 | */ | |
172 | ||
173 | #define IOREGION_ALIGNMENT (~7) | |
174 | #define IOREGION_OFFSET 5 | |
175 | #define IOREGION_LENGTH 2 | |
176 | #define ADDR_REG_OFFSET 0 | |
177 | #define DATA_REG_OFFSET 1 | |
178 | ||
179 | #define NCT6775_REG_BANK 0x4E | |
180 | #define NCT6775_REG_CONFIG 0x40 | |
181 | ||
182 | /* | |
183 | * Not currently used: | |
184 | * REG_MAN_ID has the value 0x5ca3 for all supported chips. | |
185 | * REG_CHIP_ID == 0x88/0xa1/0xc1 depending on chip model. | |
186 | * REG_MAN_ID is at port 0x4f | |
187 | * REG_CHIP_ID is at port 0x58 | |
188 | */ | |
189 | ||
aa136e5d GR |
190 | #define NUM_TEMP 10 /* Max number of temp attribute sets w/ limits*/ |
191 | #define NUM_TEMP_FIXED 6 /* Max number of fixed temp attribute sets */ | |
192 | ||
6c009501 | 193 | #define NUM_REG_ALARM 7 /* Max number of alarm registers */ |
30846993 | 194 | #define NUM_REG_BEEP 5 /* Max number of beep registers */ |
9de2e2e8 | 195 | |
578ab5f0 DB |
196 | #define NUM_FAN 6 |
197 | ||
9de2e2e8 GR |
198 | /* Common and NCT6775 specific data */ |
199 | ||
200 | /* Voltage min/max registers for nr=7..14 are in bank 5 */ | |
201 | ||
202 | static const u16 NCT6775_REG_IN_MAX[] = { | |
203 | 0x2b, 0x2d, 0x2f, 0x31, 0x33, 0x35, 0x37, 0x554, 0x556, 0x558, 0x55a, | |
204 | 0x55c, 0x55e, 0x560, 0x562 }; | |
205 | static const u16 NCT6775_REG_IN_MIN[] = { | |
206 | 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x555, 0x557, 0x559, 0x55b, | |
207 | 0x55d, 0x55f, 0x561, 0x563 }; | |
208 | static const u16 NCT6775_REG_IN[] = { | |
209 | 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x550, 0x551, 0x552 | |
210 | }; | |
211 | ||
212 | #define NCT6775_REG_VBAT 0x5D | |
aa136e5d | 213 | #define NCT6775_REG_DIODE 0x5E |
6c009501 | 214 | #define NCT6775_DIODE_MASK 0x02 |
9de2e2e8 | 215 | |
1c65dc36 GR |
216 | #define NCT6775_REG_FANDIV1 0x506 |
217 | #define NCT6775_REG_FANDIV2 0x507 | |
218 | ||
47ece964 GR |
219 | #define NCT6775_REG_CR_FAN_DEBOUNCE 0xf0 |
220 | ||
9de2e2e8 GR |
221 | static const u16 NCT6775_REG_ALARM[NUM_REG_ALARM] = { 0x459, 0x45A, 0x45B }; |
222 | ||
30846993 | 223 | /* 0..15 voltages, 16..23 fans, 24..29 temperatures, 30..31 intrusion */ |
9de2e2e8 GR |
224 | |
225 | static const s8 NCT6775_ALARM_BITS[] = { | |
226 | 0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */ | |
227 | 17, -1, -1, -1, -1, -1, -1, /* in8..in14 */ | |
228 | -1, /* unused */ | |
41fa9a94 | 229 | 6, 7, 11, -1, -1, /* fan1..fan5 */ |
9de2e2e8 GR |
230 | -1, -1, -1, /* unused */ |
231 | 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ | |
232 | 12, -1 }; /* intrusion0, intrusion1 */ | |
233 | ||
1c65dc36 | 234 | #define FAN_ALARM_BASE 16 |
aa136e5d | 235 | #define TEMP_ALARM_BASE 24 |
a6bd5878 GR |
236 | #define INTRUSION_ALARM_BASE 30 |
237 | ||
30846993 GR |
238 | static const u16 NCT6775_REG_BEEP[NUM_REG_BEEP] = { 0x56, 0x57, 0x453, 0x4e }; |
239 | ||
240 | /* | |
241 | * 0..14 voltages, 15 global beep enable, 16..23 fans, 24..29 temperatures, | |
242 | * 30..31 intrusion | |
243 | */ | |
244 | static const s8 NCT6775_BEEP_BITS[] = { | |
245 | 0, 1, 2, 3, 8, 9, 10, 16, /* in0.. in7 */ | |
246 | 17, -1, -1, -1, -1, -1, -1, /* in8..in14 */ | |
247 | 21, /* global beep enable */ | |
248 | 6, 7, 11, 28, -1, /* fan1..fan5 */ | |
249 | -1, -1, -1, /* unused */ | |
250 | 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ | |
251 | 12, -1 }; /* intrusion0, intrusion1 */ | |
252 | ||
253 | #define BEEP_ENABLE_BASE 15 | |
254 | ||
a6bd5878 GR |
255 | static const u8 NCT6775_REG_CR_CASEOPEN_CLR[] = { 0xe6, 0xee }; |
256 | static const u8 NCT6775_CR_CASEOPEN_CLR_MASK[] = { 0x20, 0x01 }; | |
257 | ||
77eb5b37 GR |
258 | /* DC or PWM output fan configuration */ |
259 | static const u8 NCT6775_REG_PWM_MODE[] = { 0x04, 0x04, 0x12 }; | |
260 | static const u8 NCT6775_PWM_MODE_MASK[] = { 0x01, 0x02, 0x01 }; | |
261 | ||
cdcaeceb | 262 | /* Advanced Fan control, some values are common for all fans */ |
77eb5b37 | 263 | |
578ab5f0 DB |
264 | static const u16 NCT6775_REG_TARGET[] = { |
265 | 0x101, 0x201, 0x301, 0x801, 0x901, 0xa01 }; | |
266 | static const u16 NCT6775_REG_FAN_MODE[] = { | |
267 | 0x102, 0x202, 0x302, 0x802, 0x902, 0xa02 }; | |
cdcaeceb | 268 | static const u16 NCT6775_REG_FAN_STEP_DOWN_TIME[] = { |
578ab5f0 | 269 | 0x103, 0x203, 0x303, 0x803, 0x903, 0xa03 }; |
cdcaeceb | 270 | static const u16 NCT6775_REG_FAN_STEP_UP_TIME[] = { |
578ab5f0 | 271 | 0x104, 0x204, 0x304, 0x804, 0x904, 0xa04 }; |
cdcaeceb | 272 | static const u16 NCT6775_REG_FAN_STOP_OUTPUT[] = { |
578ab5f0 DB |
273 | 0x105, 0x205, 0x305, 0x805, 0x905, 0xa05 }; |
274 | static const u16 NCT6775_REG_FAN_START_OUTPUT[] = { | |
275 | 0x106, 0x206, 0x306, 0x806, 0x906, 0xa06 }; | |
cdcaeceb GR |
276 | static const u16 NCT6775_REG_FAN_MAX_OUTPUT[] = { 0x10a, 0x20a, 0x30a }; |
277 | static const u16 NCT6775_REG_FAN_STEP_OUTPUT[] = { 0x10b, 0x20b, 0x30b }; | |
278 | ||
279 | static const u16 NCT6775_REG_FAN_STOP_TIME[] = { | |
578ab5f0 DB |
280 | 0x107, 0x207, 0x307, 0x807, 0x907, 0xa07 }; |
281 | static const u16 NCT6775_REG_PWM[] = { | |
282 | 0x109, 0x209, 0x309, 0x809, 0x909, 0xa09 }; | |
283 | static const u16 NCT6775_REG_PWM_READ[] = { | |
284 | 0x01, 0x03, 0x11, 0x13, 0x15, 0xa09 }; | |
77eb5b37 | 285 | |
1c65dc36 GR |
286 | static const u16 NCT6775_REG_FAN[] = { 0x630, 0x632, 0x634, 0x636, 0x638 }; |
287 | static const u16 NCT6775_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d }; | |
5c25d954 | 288 | static const u16 NCT6775_REG_FAN_PULSES[] = { 0x641, 0x642, 0x643, 0x644, 0 }; |
578ab5f0 | 289 | static const u16 NCT6775_FAN_PULSE_SHIFT[] = { 0, 0, 0, 0, 0, 0 }; |
1c65dc36 | 290 | |
aa136e5d GR |
291 | static const u16 NCT6775_REG_TEMP[] = { |
292 | 0x27, 0x150, 0x250, 0x62b, 0x62c, 0x62d }; | |
293 | ||
d1a284b7 GR |
294 | static const u16 NCT6775_REG_TEMP_MON[] = { 0x73, 0x75, 0x77 }; |
295 | ||
aa136e5d GR |
296 | static const u16 NCT6775_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6775_REG_TEMP)] = { |
297 | 0, 0x152, 0x252, 0x628, 0x629, 0x62A }; | |
298 | static const u16 NCT6775_REG_TEMP_HYST[ARRAY_SIZE(NCT6775_REG_TEMP)] = { | |
299 | 0x3a, 0x153, 0x253, 0x673, 0x678, 0x67D }; | |
300 | static const u16 NCT6775_REG_TEMP_OVER[ARRAY_SIZE(NCT6775_REG_TEMP)] = { | |
301 | 0x39, 0x155, 0x255, 0x672, 0x677, 0x67C }; | |
302 | ||
303 | static const u16 NCT6775_REG_TEMP_SOURCE[ARRAY_SIZE(NCT6775_REG_TEMP)] = { | |
304 | 0x621, 0x622, 0x623, 0x624, 0x625, 0x626 }; | |
305 | ||
cdcaeceb | 306 | static const u16 NCT6775_REG_TEMP_SEL[] = { |
578ab5f0 | 307 | 0x100, 0x200, 0x300, 0x800, 0x900, 0xa00 }; |
cdcaeceb | 308 | |
bbd8decd | 309 | static const u16 NCT6775_REG_WEIGHT_TEMP_SEL[] = { |
578ab5f0 | 310 | 0x139, 0x239, 0x339, 0x839, 0x939, 0xa39 }; |
bbd8decd | 311 | static const u16 NCT6775_REG_WEIGHT_TEMP_STEP[] = { |
578ab5f0 | 312 | 0x13a, 0x23a, 0x33a, 0x83a, 0x93a, 0xa3a }; |
bbd8decd | 313 | static const u16 NCT6775_REG_WEIGHT_TEMP_STEP_TOL[] = { |
578ab5f0 | 314 | 0x13b, 0x23b, 0x33b, 0x83b, 0x93b, 0xa3b }; |
bbd8decd | 315 | static const u16 NCT6775_REG_WEIGHT_DUTY_STEP[] = { |
578ab5f0 | 316 | 0x13c, 0x23c, 0x33c, 0x83c, 0x93c, 0xa3c }; |
bbd8decd | 317 | static const u16 NCT6775_REG_WEIGHT_TEMP_BASE[] = { |
578ab5f0 | 318 | 0x13d, 0x23d, 0x33d, 0x83d, 0x93d, 0xa3d }; |
bbd8decd | 319 | |
aa136e5d GR |
320 | static const u16 NCT6775_REG_TEMP_OFFSET[] = { 0x454, 0x455, 0x456 }; |
321 | ||
cdcaeceb | 322 | static const u16 NCT6775_REG_AUTO_TEMP[] = { |
578ab5f0 | 323 | 0x121, 0x221, 0x321, 0x821, 0x921, 0xa21 }; |
cdcaeceb | 324 | static const u16 NCT6775_REG_AUTO_PWM[] = { |
578ab5f0 | 325 | 0x127, 0x227, 0x327, 0x827, 0x927, 0xa27 }; |
cdcaeceb GR |
326 | |
327 | #define NCT6775_AUTO_TEMP(data, nr, p) ((data)->REG_AUTO_TEMP[nr] + (p)) | |
328 | #define NCT6775_AUTO_PWM(data, nr, p) ((data)->REG_AUTO_PWM[nr] + (p)) | |
329 | ||
330 | static const u16 NCT6775_REG_CRITICAL_ENAB[] = { 0x134, 0x234, 0x334 }; | |
331 | ||
332 | static const u16 NCT6775_REG_CRITICAL_TEMP[] = { | |
578ab5f0 | 333 | 0x135, 0x235, 0x335, 0x835, 0x935, 0xa35 }; |
cdcaeceb | 334 | static const u16 NCT6775_REG_CRITICAL_TEMP_TOLERANCE[] = { |
578ab5f0 | 335 | 0x138, 0x238, 0x338, 0x838, 0x938, 0xa38 }; |
cdcaeceb | 336 | |
aa136e5d GR |
337 | static const char *const nct6775_temp_label[] = { |
338 | "", | |
339 | "SYSTIN", | |
340 | "CPUTIN", | |
341 | "AUXTIN", | |
342 | "AMD SB-TSI", | |
343 | "PECI Agent 0", | |
344 | "PECI Agent 1", | |
345 | "PECI Agent 2", | |
346 | "PECI Agent 3", | |
347 | "PECI Agent 4", | |
348 | "PECI Agent 5", | |
349 | "PECI Agent 6", | |
350 | "PECI Agent 7", | |
351 | "PCH_CHIP_CPU_MAX_TEMP", | |
352 | "PCH_CHIP_TEMP", | |
353 | "PCH_CPU_TEMP", | |
354 | "PCH_MCH_TEMP", | |
355 | "PCH_DIM0_TEMP", | |
356 | "PCH_DIM1_TEMP", | |
357 | "PCH_DIM2_TEMP", | |
358 | "PCH_DIM3_TEMP" | |
359 | }; | |
360 | ||
361 | static const u16 NCT6775_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6775_temp_label) - 1] | |
362 | = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x661, 0x662, 0x664 }; | |
363 | ||
364 | static const u16 NCT6775_REG_TEMP_CRIT[ARRAY_SIZE(nct6775_temp_label) - 1] | |
365 | = { 0, 0, 0, 0, 0xa00, 0xa01, 0xa02, 0xa03, 0xa04, 0xa05, 0xa06, | |
366 | 0xa07 }; | |
367 | ||
9de2e2e8 GR |
368 | /* NCT6776 specific data */ |
369 | ||
728d2940 GR |
370 | /* STEP_UP_TIME and STEP_DOWN_TIME regs are swapped for all chips but NCT6775 */ |
371 | #define NCT6776_REG_FAN_STEP_UP_TIME NCT6775_REG_FAN_STEP_DOWN_TIME | |
372 | #define NCT6776_REG_FAN_STEP_DOWN_TIME NCT6775_REG_FAN_STEP_UP_TIME | |
373 | ||
9de2e2e8 GR |
374 | static const s8 NCT6776_ALARM_BITS[] = { |
375 | 0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */ | |
376 | 17, -1, -1, -1, -1, -1, -1, /* in8..in14 */ | |
377 | -1, /* unused */ | |
378 | 6, 7, 11, 10, 23, /* fan1..fan5 */ | |
379 | -1, -1, -1, /* unused */ | |
380 | 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ | |
381 | 12, 9 }; /* intrusion0, intrusion1 */ | |
382 | ||
30846993 GR |
383 | static const u16 NCT6776_REG_BEEP[NUM_REG_BEEP] = { 0xb2, 0xb3, 0xb4, 0xb5 }; |
384 | ||
385 | static const s8 NCT6776_BEEP_BITS[] = { | |
386 | 0, 1, 2, 3, 4, 5, 6, 7, /* in0.. in7 */ | |
387 | 8, -1, -1, -1, -1, -1, -1, /* in8..in14 */ | |
388 | 24, /* global beep enable */ | |
389 | 25, 26, 27, 28, 29, /* fan1..fan5 */ | |
390 | -1, -1, -1, /* unused */ | |
391 | 16, 17, 18, 19, 20, 21, /* temp1..temp6 */ | |
392 | 30, 31 }; /* intrusion0, intrusion1 */ | |
393 | ||
cdcaeceb | 394 | static const u16 NCT6776_REG_TOLERANCE_H[] = { |
578ab5f0 | 395 | 0x10c, 0x20c, 0x30c, 0x80c, 0x90c, 0xa0c }; |
cdcaeceb | 396 | |
578ab5f0 DB |
397 | static const u8 NCT6776_REG_PWM_MODE[] = { 0x04, 0, 0, 0, 0, 0 }; |
398 | static const u8 NCT6776_PWM_MODE_MASK[] = { 0x01, 0, 0, 0, 0, 0 }; | |
77eb5b37 | 399 | |
1c65dc36 | 400 | static const u16 NCT6776_REG_FAN_MIN[] = { 0x63a, 0x63c, 0x63e, 0x640, 0x642 }; |
5c25d954 | 401 | static const u16 NCT6776_REG_FAN_PULSES[] = { 0x644, 0x645, 0x646, 0, 0 }; |
1c65dc36 | 402 | |
bbd8decd | 403 | static const u16 NCT6776_REG_WEIGHT_DUTY_BASE[] = { |
578ab5f0 | 404 | 0x13e, 0x23e, 0x33e, 0x83e, 0x93e, 0xa3e }; |
bbd8decd | 405 | |
aa136e5d GR |
406 | static const u16 NCT6776_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6775_REG_TEMP)] = { |
407 | 0x18, 0x152, 0x252, 0x628, 0x629, 0x62A }; | |
408 | ||
409 | static const char *const nct6776_temp_label[] = { | |
410 | "", | |
411 | "SYSTIN", | |
412 | "CPUTIN", | |
413 | "AUXTIN", | |
414 | "SMBUSMASTER 0", | |
415 | "SMBUSMASTER 1", | |
416 | "SMBUSMASTER 2", | |
417 | "SMBUSMASTER 3", | |
418 | "SMBUSMASTER 4", | |
419 | "SMBUSMASTER 5", | |
420 | "SMBUSMASTER 6", | |
421 | "SMBUSMASTER 7", | |
422 | "PECI Agent 0", | |
423 | "PECI Agent 1", | |
424 | "PCH_CHIP_CPU_MAX_TEMP", | |
425 | "PCH_CHIP_TEMP", | |
426 | "PCH_CPU_TEMP", | |
427 | "PCH_MCH_TEMP", | |
428 | "PCH_DIM0_TEMP", | |
429 | "PCH_DIM1_TEMP", | |
430 | "PCH_DIM2_TEMP", | |
431 | "PCH_DIM3_TEMP", | |
432 | "BYTE_TEMP" | |
433 | }; | |
434 | ||
435 | static const u16 NCT6776_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6776_temp_label) - 1] | |
436 | = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x401, 0x402, 0x404 }; | |
437 | ||
438 | static const u16 NCT6776_REG_TEMP_CRIT[ARRAY_SIZE(nct6776_temp_label) - 1] | |
439 | = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x709, 0x70a }; | |
440 | ||
9de2e2e8 GR |
441 | /* NCT6779 specific data */ |
442 | ||
443 | static const u16 NCT6779_REG_IN[] = { | |
444 | 0x480, 0x481, 0x482, 0x483, 0x484, 0x485, 0x486, 0x487, | |
445 | 0x488, 0x489, 0x48a, 0x48b, 0x48c, 0x48d, 0x48e }; | |
446 | ||
447 | static const u16 NCT6779_REG_ALARM[NUM_REG_ALARM] = { | |
448 | 0x459, 0x45A, 0x45B, 0x568 }; | |
449 | ||
450 | static const s8 NCT6779_ALARM_BITS[] = { | |
451 | 0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */ | |
452 | 17, 24, 25, 26, 27, 28, 29, /* in8..in14 */ | |
453 | -1, /* unused */ | |
454 | 6, 7, 11, 10, 23, /* fan1..fan5 */ | |
455 | -1, -1, -1, /* unused */ | |
456 | 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ | |
457 | 12, 9 }; /* intrusion0, intrusion1 */ | |
458 | ||
30846993 GR |
459 | static const s8 NCT6779_BEEP_BITS[] = { |
460 | 0, 1, 2, 3, 4, 5, 6, 7, /* in0.. in7 */ | |
461 | 8, 9, 10, 11, 12, 13, 14, /* in8..in14 */ | |
462 | 24, /* global beep enable */ | |
463 | 25, 26, 27, 28, 29, /* fan1..fan5 */ | |
464 | -1, -1, -1, /* unused */ | |
465 | 16, 17, -1, -1, -1, -1, /* temp1..temp6 */ | |
466 | 30, 31 }; /* intrusion0, intrusion1 */ | |
467 | ||
578ab5f0 DB |
468 | static const u16 NCT6779_REG_FAN[] = { |
469 | 0x4b0, 0x4b2, 0x4b4, 0x4b6, 0x4b8, 0x4ba }; | |
5c25d954 | 470 | static const u16 NCT6779_REG_FAN_PULSES[] = { |
578ab5f0 | 471 | 0x644, 0x645, 0x646, 0x647, 0x648, 0x649 }; |
1c65dc36 | 472 | |
cdcaeceb | 473 | static const u16 NCT6779_REG_CRITICAL_PWM_ENABLE[] = { |
578ab5f0 | 474 | 0x136, 0x236, 0x336, 0x836, 0x936, 0xa36 }; |
6c009501 | 475 | #define NCT6779_CRITICAL_PWM_ENABLE_MASK 0x01 |
cdcaeceb | 476 | static const u16 NCT6779_REG_CRITICAL_PWM[] = { |
578ab5f0 | 477 | 0x137, 0x237, 0x337, 0x837, 0x937, 0xa37 }; |
cdcaeceb | 478 | |
aa136e5d | 479 | static const u16 NCT6779_REG_TEMP[] = { 0x27, 0x150 }; |
d1a284b7 | 480 | static const u16 NCT6779_REG_TEMP_MON[] = { 0x73, 0x75, 0x77, 0x79, 0x7b }; |
aa136e5d GR |
481 | static const u16 NCT6779_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6779_REG_TEMP)] = { |
482 | 0x18, 0x152 }; | |
483 | static const u16 NCT6779_REG_TEMP_HYST[ARRAY_SIZE(NCT6779_REG_TEMP)] = { | |
484 | 0x3a, 0x153 }; | |
485 | static const u16 NCT6779_REG_TEMP_OVER[ARRAY_SIZE(NCT6779_REG_TEMP)] = { | |
486 | 0x39, 0x155 }; | |
487 | ||
488 | static const u16 NCT6779_REG_TEMP_OFFSET[] = { | |
489 | 0x454, 0x455, 0x456, 0x44a, 0x44b, 0x44c }; | |
490 | ||
491 | static const char *const nct6779_temp_label[] = { | |
492 | "", | |
493 | "SYSTIN", | |
494 | "CPUTIN", | |
495 | "AUXTIN0", | |
496 | "AUXTIN1", | |
497 | "AUXTIN2", | |
498 | "AUXTIN3", | |
499 | "", | |
500 | "SMBUSMASTER 0", | |
501 | "SMBUSMASTER 1", | |
502 | "SMBUSMASTER 2", | |
503 | "SMBUSMASTER 3", | |
504 | "SMBUSMASTER 4", | |
505 | "SMBUSMASTER 5", | |
506 | "SMBUSMASTER 6", | |
507 | "SMBUSMASTER 7", | |
508 | "PECI Agent 0", | |
509 | "PECI Agent 1", | |
510 | "PCH_CHIP_CPU_MAX_TEMP", | |
511 | "PCH_CHIP_TEMP", | |
512 | "PCH_CPU_TEMP", | |
513 | "PCH_MCH_TEMP", | |
514 | "PCH_DIM0_TEMP", | |
515 | "PCH_DIM1_TEMP", | |
516 | "PCH_DIM2_TEMP", | |
517 | "PCH_DIM3_TEMP", | |
518 | "BYTE_TEMP" | |
519 | }; | |
520 | ||
521 | static const u16 NCT6779_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6779_temp_label) - 1] | |
522 | = { 0x490, 0x491, 0x492, 0x493, 0x494, 0x495, 0, 0, | |
523 | 0, 0, 0, 0, 0, 0, 0, 0, | |
524 | 0, 0x400, 0x401, 0x402, 0x404, 0x405, 0x406, 0x407, | |
525 | 0x408, 0 }; | |
526 | ||
527 | static const u16 NCT6779_REG_TEMP_CRIT[ARRAY_SIZE(nct6779_temp_label) - 1] | |
528 | = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x709, 0x70a }; | |
529 | ||
578ab5f0 DB |
530 | /* NCT6791 specific data */ |
531 | ||
532 | #define NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE 0x28 | |
533 | ||
cc76dee1 GR |
534 | static const u16 NCT6791_REG_WEIGHT_TEMP_SEL[6] = { 0, 0x239 }; |
535 | static const u16 NCT6791_REG_WEIGHT_TEMP_STEP[6] = { 0, 0x23a }; | |
536 | static const u16 NCT6791_REG_WEIGHT_TEMP_STEP_TOL[6] = { 0, 0x23b }; | |
537 | static const u16 NCT6791_REG_WEIGHT_DUTY_STEP[6] = { 0, 0x23c }; | |
538 | static const u16 NCT6791_REG_WEIGHT_TEMP_BASE[6] = { 0, 0x23d }; | |
539 | static const u16 NCT6791_REG_WEIGHT_DUTY_BASE[6] = { 0, 0x23e }; | |
540 | ||
578ab5f0 DB |
541 | static const u16 NCT6791_REG_ALARM[NUM_REG_ALARM] = { |
542 | 0x459, 0x45A, 0x45B, 0x568, 0x45D }; | |
543 | ||
544 | static const s8 NCT6791_ALARM_BITS[] = { | |
545 | 0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */ | |
546 | 17, 24, 25, 26, 27, 28, 29, /* in8..in14 */ | |
547 | -1, /* unused */ | |
548 | 6, 7, 11, 10, 23, 33, /* fan1..fan6 */ | |
549 | -1, -1, /* unused */ | |
550 | 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ | |
551 | 12, 9 }; /* intrusion0, intrusion1 */ | |
552 | ||
cd1faefa | 553 | /* NCT6792/NCT6793 specific data */ |
8aefb93f GR |
554 | |
555 | static const u16 NCT6792_REG_TEMP_MON[] = { | |
556 | 0x73, 0x75, 0x77, 0x79, 0x7b, 0x7d }; | |
557 | static const u16 NCT6792_REG_BEEP[NUM_REG_BEEP] = { | |
558 | 0xb2, 0xb3, 0xb4, 0xb5, 0xbf }; | |
578ab5f0 | 559 | |
6c009501 GR |
560 | /* NCT6102D/NCT6106D specific data */ |
561 | ||
562 | #define NCT6106_REG_VBAT 0x318 | |
563 | #define NCT6106_REG_DIODE 0x319 | |
564 | #define NCT6106_DIODE_MASK 0x01 | |
565 | ||
566 | static const u16 NCT6106_REG_IN_MAX[] = { | |
567 | 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9e, 0xa0, 0xa2 }; | |
568 | static const u16 NCT6106_REG_IN_MIN[] = { | |
569 | 0x91, 0x93, 0x95, 0x97, 0x99, 0x9b, 0x9f, 0xa1, 0xa3 }; | |
570 | static const u16 NCT6106_REG_IN[] = { | |
571 | 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x07, 0x08, 0x09 }; | |
572 | ||
573 | static const u16 NCT6106_REG_TEMP[] = { 0x10, 0x11, 0x12, 0x13, 0x14, 0x15 }; | |
d1a284b7 | 574 | static const u16 NCT6106_REG_TEMP_MON[] = { 0x18, 0x19, 0x1a }; |
6c009501 GR |
575 | static const u16 NCT6106_REG_TEMP_HYST[] = { |
576 | 0xc3, 0xc7, 0xcb, 0xcf, 0xd3, 0xd7 }; | |
577 | static const u16 NCT6106_REG_TEMP_OVER[] = { | |
b7a61353 GR |
578 | 0xc2, 0xc6, 0xca, 0xce, 0xd2, 0xd6 }; |
579 | static const u16 NCT6106_REG_TEMP_CRIT_L[] = { | |
580 | 0xc0, 0xc4, 0xc8, 0xcc, 0xd0, 0xd4 }; | |
581 | static const u16 NCT6106_REG_TEMP_CRIT_H[] = { | |
582 | 0xc1, 0xc5, 0xc9, 0xcf, 0xd1, 0xd5 }; | |
6c009501 GR |
583 | static const u16 NCT6106_REG_TEMP_OFFSET[] = { 0x311, 0x312, 0x313 }; |
584 | static const u16 NCT6106_REG_TEMP_CONFIG[] = { | |
585 | 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc }; | |
586 | ||
587 | static const u16 NCT6106_REG_FAN[] = { 0x20, 0x22, 0x24 }; | |
588 | static const u16 NCT6106_REG_FAN_MIN[] = { 0xe0, 0xe2, 0xe4 }; | |
589 | static const u16 NCT6106_REG_FAN_PULSES[] = { 0xf6, 0xf6, 0xf6, 0, 0 }; | |
590 | static const u16 NCT6106_FAN_PULSE_SHIFT[] = { 0, 2, 4, 0, 0 }; | |
591 | ||
592 | static const u8 NCT6106_REG_PWM_MODE[] = { 0xf3, 0xf3, 0xf3 }; | |
593 | static const u8 NCT6106_PWM_MODE_MASK[] = { 0x01, 0x02, 0x04 }; | |
594 | static const u16 NCT6106_REG_PWM[] = { 0x119, 0x129, 0x139 }; | |
595 | static const u16 NCT6106_REG_PWM_READ[] = { 0x4a, 0x4b, 0x4c }; | |
596 | static const u16 NCT6106_REG_FAN_MODE[] = { 0x113, 0x123, 0x133 }; | |
597 | static const u16 NCT6106_REG_TEMP_SEL[] = { 0x110, 0x120, 0x130 }; | |
598 | static const u16 NCT6106_REG_TEMP_SOURCE[] = { | |
599 | 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5 }; | |
600 | ||
601 | static const u16 NCT6106_REG_CRITICAL_TEMP[] = { 0x11a, 0x12a, 0x13a }; | |
602 | static const u16 NCT6106_REG_CRITICAL_TEMP_TOLERANCE[] = { | |
603 | 0x11b, 0x12b, 0x13b }; | |
604 | ||
605 | static const u16 NCT6106_REG_CRITICAL_PWM_ENABLE[] = { 0x11c, 0x12c, 0x13c }; | |
606 | #define NCT6106_CRITICAL_PWM_ENABLE_MASK 0x10 | |
607 | static const u16 NCT6106_REG_CRITICAL_PWM[] = { 0x11d, 0x12d, 0x13d }; | |
608 | ||
609 | static const u16 NCT6106_REG_FAN_STEP_UP_TIME[] = { 0x114, 0x124, 0x134 }; | |
610 | static const u16 NCT6106_REG_FAN_STEP_DOWN_TIME[] = { 0x115, 0x125, 0x135 }; | |
611 | static const u16 NCT6106_REG_FAN_STOP_OUTPUT[] = { 0x116, 0x126, 0x136 }; | |
612 | static const u16 NCT6106_REG_FAN_START_OUTPUT[] = { 0x117, 0x127, 0x137 }; | |
613 | static const u16 NCT6106_REG_FAN_STOP_TIME[] = { 0x118, 0x128, 0x138 }; | |
614 | static const u16 NCT6106_REG_TOLERANCE_H[] = { 0x112, 0x122, 0x132 }; | |
615 | ||
616 | static const u16 NCT6106_REG_TARGET[] = { 0x111, 0x121, 0x131 }; | |
617 | ||
618 | static const u16 NCT6106_REG_WEIGHT_TEMP_SEL[] = { 0x168, 0x178, 0x188 }; | |
619 | static const u16 NCT6106_REG_WEIGHT_TEMP_STEP[] = { 0x169, 0x179, 0x189 }; | |
620 | static const u16 NCT6106_REG_WEIGHT_TEMP_STEP_TOL[] = { 0x16a, 0x17a, 0x18a }; | |
621 | static const u16 NCT6106_REG_WEIGHT_DUTY_STEP[] = { 0x16b, 0x17b, 0x17c }; | |
622 | static const u16 NCT6106_REG_WEIGHT_TEMP_BASE[] = { 0x16c, 0x17c, 0x18c }; | |
623 | static const u16 NCT6106_REG_WEIGHT_DUTY_BASE[] = { 0x16d, 0x17d, 0x18d }; | |
624 | ||
625 | static const u16 NCT6106_REG_AUTO_TEMP[] = { 0x160, 0x170, 0x180 }; | |
626 | static const u16 NCT6106_REG_AUTO_PWM[] = { 0x164, 0x174, 0x184 }; | |
627 | ||
628 | static const u16 NCT6106_REG_ALARM[NUM_REG_ALARM] = { | |
629 | 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d }; | |
630 | ||
631 | static const s8 NCT6106_ALARM_BITS[] = { | |
632 | 0, 1, 2, 3, 4, 5, 7, 8, /* in0.. in7 */ | |
633 | 9, -1, -1, -1, -1, -1, -1, /* in8..in14 */ | |
634 | -1, /* unused */ | |
635 | 32, 33, 34, -1, -1, /* fan1..fan5 */ | |
636 | -1, -1, -1, /* unused */ | |
637 | 16, 17, 18, 19, 20, 21, /* temp1..temp6 */ | |
638 | 48, -1 /* intrusion0, intrusion1 */ | |
639 | }; | |
640 | ||
30846993 GR |
641 | static const u16 NCT6106_REG_BEEP[NUM_REG_BEEP] = { |
642 | 0x3c0, 0x3c1, 0x3c2, 0x3c3, 0x3c4 }; | |
643 | ||
644 | static const s8 NCT6106_BEEP_BITS[] = { | |
645 | 0, 1, 2, 3, 4, 5, 7, 8, /* in0.. in7 */ | |
646 | 9, 10, 11, 12, -1, -1, -1, /* in8..in14 */ | |
647 | 32, /* global beep enable */ | |
648 | 24, 25, 26, 27, 28, /* fan1..fan5 */ | |
649 | -1, -1, -1, /* unused */ | |
650 | 16, 17, 18, 19, 20, 21, /* temp1..temp6 */ | |
651 | 34, -1 /* intrusion0, intrusion1 */ | |
652 | }; | |
653 | ||
6c009501 GR |
654 | static const u16 NCT6106_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6776_temp_label) - 1] |
655 | = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x51, 0x52, 0x54 }; | |
656 | ||
657 | static const u16 NCT6106_REG_TEMP_CRIT[ARRAY_SIZE(nct6776_temp_label) - 1] | |
658 | = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x204, 0x205 }; | |
659 | ||
77eb5b37 GR |
660 | static enum pwm_enable reg_to_pwm_enable(int pwm, int mode) |
661 | { | |
662 | if (mode == 0 && pwm == 255) | |
663 | return off; | |
664 | return mode + 1; | |
665 | } | |
666 | ||
667 | static int pwm_enable_to_reg(enum pwm_enable mode) | |
668 | { | |
669 | if (mode == off) | |
670 | return 0; | |
671 | return mode - 1; | |
672 | } | |
673 | ||
9de2e2e8 GR |
674 | /* |
675 | * Conversions | |
676 | */ | |
677 | ||
cdcaeceb GR |
678 | /* 1 is DC mode, output in ms */ |
679 | static unsigned int step_time_from_reg(u8 reg, u8 mode) | |
680 | { | |
681 | return mode ? 400 * reg : 100 * reg; | |
682 | } | |
683 | ||
684 | static u8 step_time_to_reg(unsigned int msec, u8 mode) | |
685 | { | |
686 | return clamp_val((mode ? (msec + 200) / 400 : | |
687 | (msec + 50) / 100), 1, 255); | |
688 | } | |
689 | ||
1c65dc36 GR |
690 | static unsigned int fan_from_reg8(u16 reg, unsigned int divreg) |
691 | { | |
692 | if (reg == 0 || reg == 255) | |
693 | return 0; | |
694 | return 1350000U / (reg << divreg); | |
695 | } | |
696 | ||
697 | static unsigned int fan_from_reg13(u16 reg, unsigned int divreg) | |
698 | { | |
699 | if ((reg & 0xff1f) == 0xff1f) | |
700 | return 0; | |
701 | ||
702 | reg = (reg & 0x1f) | ((reg & 0xff00) >> 3); | |
703 | ||
704 | if (reg == 0) | |
705 | return 0; | |
706 | ||
707 | return 1350000U / reg; | |
708 | } | |
709 | ||
710 | static unsigned int fan_from_reg16(u16 reg, unsigned int divreg) | |
711 | { | |
712 | if (reg == 0 || reg == 0xffff) | |
713 | return 0; | |
714 | ||
715 | /* | |
716 | * Even though the registers are 16 bit wide, the fan divisor | |
717 | * still applies. | |
718 | */ | |
719 | return 1350000U / (reg << divreg); | |
720 | } | |
721 | ||
cdcaeceb GR |
722 | static u16 fan_to_reg(u32 fan, unsigned int divreg) |
723 | { | |
724 | if (!fan) | |
725 | return 0; | |
726 | ||
727 | return (1350000U / fan) >> divreg; | |
728 | } | |
729 | ||
1c65dc36 GR |
730 | static inline unsigned int |
731 | div_from_reg(u8 reg) | |
732 | { | |
733 | return 1 << reg; | |
734 | } | |
735 | ||
9de2e2e8 GR |
736 | /* |
737 | * Some of the voltage inputs have internal scaling, the tables below | |
738 | * contain 8 (the ADC LSB in mV) * scaling factor * 100 | |
739 | */ | |
740 | static const u16 scale_in[15] = { | |
741 | 800, 800, 1600, 1600, 800, 800, 800, 1600, 1600, 800, 800, 800, 800, | |
742 | 800, 800 | |
743 | }; | |
744 | ||
745 | static inline long in_from_reg(u8 reg, u8 nr) | |
746 | { | |
747 | return DIV_ROUND_CLOSEST(reg * scale_in[nr], 100); | |
748 | } | |
749 | ||
750 | static inline u8 in_to_reg(u32 val, u8 nr) | |
751 | { | |
752 | return clamp_val(DIV_ROUND_CLOSEST(val * 100, scale_in[nr]), 0, 255); | |
753 | } | |
754 | ||
755 | /* | |
756 | * Data structures and manipulation thereof | |
757 | */ | |
758 | ||
759 | struct nct6775_data { | |
760 | int addr; /* IO base of hw monitor block */ | |
df612d5f | 761 | int sioreg; /* SIO register address */ |
9de2e2e8 GR |
762 | enum kinds kind; |
763 | const char *name; | |
764 | ||
615fc8cb | 765 | const struct attribute_group *groups[6]; |
9de2e2e8 | 766 | |
b7a61353 GR |
767 | u16 reg_temp[5][NUM_TEMP]; /* 0=temp, 1=temp_over, 2=temp_hyst, |
768 | * 3=temp_crit, 4=temp_lcrit | |
aa136e5d GR |
769 | */ |
770 | u8 temp_src[NUM_TEMP]; | |
771 | u16 reg_temp_config[NUM_TEMP]; | |
772 | const char * const *temp_label; | |
773 | int temp_label_num; | |
774 | ||
9de2e2e8 GR |
775 | u16 REG_CONFIG; |
776 | u16 REG_VBAT; | |
aa136e5d | 777 | u16 REG_DIODE; |
6c009501 | 778 | u8 DIODE_MASK; |
9de2e2e8 GR |
779 | |
780 | const s8 *ALARM_BITS; | |
30846993 | 781 | const s8 *BEEP_BITS; |
9de2e2e8 GR |
782 | |
783 | const u16 *REG_VIN; | |
784 | const u16 *REG_IN_MINMAX[2]; | |
785 | ||
cdcaeceb | 786 | const u16 *REG_TARGET; |
1c65dc36 | 787 | const u16 *REG_FAN; |
77eb5b37 | 788 | const u16 *REG_FAN_MODE; |
1c65dc36 | 789 | const u16 *REG_FAN_MIN; |
5c25d954 | 790 | const u16 *REG_FAN_PULSES; |
6c009501 | 791 | const u16 *FAN_PULSE_SHIFT; |
cdcaeceb GR |
792 | const u16 *REG_FAN_TIME[3]; |
793 | ||
794 | const u16 *REG_TOLERANCE_H; | |
aa136e5d | 795 | |
77eb5b37 GR |
796 | const u8 *REG_PWM_MODE; |
797 | const u8 *PWM_MODE_MASK; | |
798 | ||
bbd8decd GR |
799 | const u16 *REG_PWM[7]; /* [0]=pwm, [1]=pwm_start, [2]=pwm_floor, |
800 | * [3]=pwm_max, [4]=pwm_step, | |
801 | * [5]=weight_duty_step, [6]=weight_duty_base | |
cdcaeceb | 802 | */ |
77eb5b37 GR |
803 | const u16 *REG_PWM_READ; |
804 | ||
6c009501 GR |
805 | const u16 *REG_CRITICAL_PWM_ENABLE; |
806 | u8 CRITICAL_PWM_ENABLE_MASK; | |
807 | const u16 *REG_CRITICAL_PWM; | |
808 | ||
cdcaeceb GR |
809 | const u16 *REG_AUTO_TEMP; |
810 | const u16 *REG_AUTO_PWM; | |
811 | ||
812 | const u16 *REG_CRITICAL_TEMP; | |
813 | const u16 *REG_CRITICAL_TEMP_TOLERANCE; | |
814 | ||
1c65dc36 | 815 | const u16 *REG_TEMP_SOURCE; /* temp register sources */ |
cdcaeceb | 816 | const u16 *REG_TEMP_SEL; |
bbd8decd GR |
817 | const u16 *REG_WEIGHT_TEMP_SEL; |
818 | const u16 *REG_WEIGHT_TEMP[3]; /* 0=base, 1=tolerance, 2=step */ | |
819 | ||
aa136e5d GR |
820 | const u16 *REG_TEMP_OFFSET; |
821 | ||
9de2e2e8 | 822 | const u16 *REG_ALARM; |
30846993 | 823 | const u16 *REG_BEEP; |
9de2e2e8 | 824 | |
1c65dc36 GR |
825 | unsigned int (*fan_from_reg)(u16 reg, unsigned int divreg); |
826 | unsigned int (*fan_from_reg_min)(u16 reg, unsigned int divreg); | |
827 | ||
9de2e2e8 GR |
828 | struct mutex update_lock; |
829 | bool valid; /* true if following fields are valid */ | |
830 | unsigned long last_updated; /* In jiffies */ | |
831 | ||
832 | /* Register values */ | |
833 | u8 bank; /* current register bank */ | |
834 | u8 in_num; /* number of in inputs we have */ | |
835 | u8 in[15][3]; /* [0]=in, [1]=in_max, [2]=in_min */ | |
578ab5f0 DB |
836 | unsigned int rpm[NUM_FAN]; |
837 | u16 fan_min[NUM_FAN]; | |
838 | u8 fan_pulses[NUM_FAN]; | |
839 | u8 fan_div[NUM_FAN]; | |
77eb5b37 | 840 | u8 has_pwm; |
1c65dc36 GR |
841 | u8 has_fan; /* some fan inputs can be disabled */ |
842 | u8 has_fan_min; /* some fans don't have min register */ | |
843 | bool has_fan_div; | |
9de2e2e8 | 844 | |
6c009501 | 845 | u8 num_temp_alarms; /* 2, 3, or 6 */ |
30846993 | 846 | u8 num_temp_beeps; /* 2, 3, or 6 */ |
aa136e5d GR |
847 | u8 temp_fixed_num; /* 3 or 6 */ |
848 | u8 temp_type[NUM_TEMP_FIXED]; | |
849 | s8 temp_offset[NUM_TEMP_FIXED]; | |
f58876ac DC |
850 | s16 temp[5][NUM_TEMP]; /* 0=temp, 1=temp_over, 2=temp_hyst, |
851 | * 3=temp_crit, 4=temp_lcrit */ | |
9de2e2e8 | 852 | u64 alarms; |
30846993 | 853 | u64 beeps; |
9de2e2e8 | 854 | |
77eb5b37 | 855 | u8 pwm_num; /* number of pwm */ |
578ab5f0 DB |
856 | u8 pwm_mode[NUM_FAN]; /* 1->DC variable voltage, |
857 | * 0->PWM variable duty cycle | |
858 | */ | |
859 | enum pwm_enable pwm_enable[NUM_FAN]; | |
77eb5b37 GR |
860 | /* 0->off |
861 | * 1->manual | |
862 | * 2->thermal cruise mode (also called SmartFan I) | |
863 | * 3->fan speed cruise mode | |
864 | * 4->SmartFan III | |
865 | * 5->enhanced variable thermal cruise (SmartFan IV) | |
866 | */ | |
578ab5f0 DB |
867 | u8 pwm[7][NUM_FAN]; /* [0]=pwm, [1]=pwm_start, [2]=pwm_floor, |
868 | * [3]=pwm_max, [4]=pwm_step, | |
869 | * [5]=weight_duty_step, [6]=weight_duty_base | |
870 | */ | |
cdcaeceb | 871 | |
578ab5f0 | 872 | u8 target_temp[NUM_FAN]; |
cdcaeceb | 873 | u8 target_temp_mask; |
578ab5f0 DB |
874 | u32 target_speed[NUM_FAN]; |
875 | u32 target_speed_tolerance[NUM_FAN]; | |
cdcaeceb GR |
876 | u8 speed_tolerance_limit; |
877 | ||
578ab5f0 | 878 | u8 temp_tolerance[2][NUM_FAN]; |
cdcaeceb GR |
879 | u8 tolerance_mask; |
880 | ||
578ab5f0 | 881 | u8 fan_time[3][NUM_FAN]; /* 0 = stop_time, 1 = step_up, 2 = step_down */ |
cdcaeceb GR |
882 | |
883 | /* Automatic fan speed control registers */ | |
884 | int auto_pwm_num; | |
578ab5f0 DB |
885 | u8 auto_pwm[NUM_FAN][7]; |
886 | u8 auto_temp[NUM_FAN][7]; | |
887 | u8 pwm_temp_sel[NUM_FAN]; | |
888 | u8 pwm_weight_temp_sel[NUM_FAN]; | |
889 | u8 weight_temp[3][NUM_FAN]; /* 0->temp_step, 1->temp_step_tol, | |
890 | * 2->temp_base | |
891 | */ | |
77eb5b37 | 892 | |
9de2e2e8 GR |
893 | u8 vid; |
894 | u8 vrm; | |
895 | ||
f73cf632 GR |
896 | bool have_vid; |
897 | ||
aa136e5d GR |
898 | u16 have_temp; |
899 | u16 have_temp_fixed; | |
9de2e2e8 | 900 | u16 have_in; |
48e93182 | 901 | |
84d19d92 GR |
902 | /* Remember extra register values over suspend/resume */ |
903 | u8 vbat; | |
904 | u8 fandiv1; | |
905 | u8 fandiv2; | |
d2a14ea5 | 906 | u8 sio_reg_enable; |
9de2e2e8 GR |
907 | }; |
908 | ||
909 | struct nct6775_sio_data { | |
910 | int sioreg; | |
911 | enum kinds kind; | |
912 | }; | |
913 | ||
f73cf632 GR |
914 | struct sensor_device_template { |
915 | struct device_attribute dev_attr; | |
916 | union { | |
917 | struct { | |
918 | u8 nr; | |
919 | u8 index; | |
920 | } s; | |
921 | int index; | |
922 | } u; | |
923 | bool s2; /* true if both index and nr are used */ | |
924 | }; | |
925 | ||
926 | struct sensor_device_attr_u { | |
927 | union { | |
928 | struct sensor_device_attribute a1; | |
929 | struct sensor_device_attribute_2 a2; | |
930 | } u; | |
931 | char name[32]; | |
932 | }; | |
933 | ||
934 | #define __TEMPLATE_ATTR(_template, _mode, _show, _store) { \ | |
935 | .attr = {.name = _template, .mode = _mode }, \ | |
936 | .show = _show, \ | |
937 | .store = _store, \ | |
938 | } | |
939 | ||
940 | #define SENSOR_DEVICE_TEMPLATE(_template, _mode, _show, _store, _index) \ | |
941 | { .dev_attr = __TEMPLATE_ATTR(_template, _mode, _show, _store), \ | |
942 | .u.index = _index, \ | |
943 | .s2 = false } | |
944 | ||
945 | #define SENSOR_DEVICE_TEMPLATE_2(_template, _mode, _show, _store, \ | |
946 | _nr, _index) \ | |
947 | { .dev_attr = __TEMPLATE_ATTR(_template, _mode, _show, _store), \ | |
948 | .u.s.index = _index, \ | |
949 | .u.s.nr = _nr, \ | |
950 | .s2 = true } | |
951 | ||
952 | #define SENSOR_TEMPLATE(_name, _template, _mode, _show, _store, _index) \ | |
953 | static struct sensor_device_template sensor_dev_template_##_name \ | |
954 | = SENSOR_DEVICE_TEMPLATE(_template, _mode, _show, _store, \ | |
955 | _index) | |
956 | ||
957 | #define SENSOR_TEMPLATE_2(_name, _template, _mode, _show, _store, \ | |
958 | _nr, _index) \ | |
959 | static struct sensor_device_template sensor_dev_template_##_name \ | |
960 | = SENSOR_DEVICE_TEMPLATE_2(_template, _mode, _show, _store, \ | |
961 | _nr, _index) | |
962 | ||
963 | struct sensor_template_group { | |
964 | struct sensor_device_template **templates; | |
965 | umode_t (*is_visible)(struct kobject *, struct attribute *, int); | |
966 | int base; | |
967 | }; | |
968 | ||
969 | static struct attribute_group * | |
970 | nct6775_create_attr_group(struct device *dev, struct sensor_template_group *tg, | |
971 | int repeat) | |
972 | { | |
973 | struct attribute_group *group; | |
974 | struct sensor_device_attr_u *su; | |
975 | struct sensor_device_attribute *a; | |
976 | struct sensor_device_attribute_2 *a2; | |
977 | struct attribute **attrs; | |
978 | struct sensor_device_template **t; | |
1e687e80 | 979 | int i, count; |
f73cf632 GR |
980 | |
981 | if (repeat <= 0) | |
982 | return ERR_PTR(-EINVAL); | |
983 | ||
984 | t = tg->templates; | |
985 | for (count = 0; *t; t++, count++) | |
986 | ; | |
987 | ||
988 | if (count == 0) | |
989 | return ERR_PTR(-EINVAL); | |
990 | ||
991 | group = devm_kzalloc(dev, sizeof(*group), GFP_KERNEL); | |
992 | if (group == NULL) | |
993 | return ERR_PTR(-ENOMEM); | |
994 | ||
995 | attrs = devm_kzalloc(dev, sizeof(*attrs) * (repeat * count + 1), | |
996 | GFP_KERNEL); | |
997 | if (attrs == NULL) | |
998 | return ERR_PTR(-ENOMEM); | |
999 | ||
1000 | su = devm_kzalloc(dev, sizeof(*su) * repeat * count, | |
1001 | GFP_KERNEL); | |
1002 | if (su == NULL) | |
1003 | return ERR_PTR(-ENOMEM); | |
1004 | ||
1005 | group->attrs = attrs; | |
1006 | group->is_visible = tg->is_visible; | |
1007 | ||
1008 | for (i = 0; i < repeat; i++) { | |
1009 | t = tg->templates; | |
1e687e80 | 1010 | while (*t != NULL) { |
f73cf632 GR |
1011 | snprintf(su->name, sizeof(su->name), |
1012 | (*t)->dev_attr.attr.name, tg->base + i); | |
1013 | if ((*t)->s2) { | |
1014 | a2 = &su->u.a2; | |
1b63bf61 | 1015 | sysfs_attr_init(&a2->dev_attr.attr); |
f73cf632 GR |
1016 | a2->dev_attr.attr.name = su->name; |
1017 | a2->nr = (*t)->u.s.nr + i; | |
1018 | a2->index = (*t)->u.s.index; | |
1019 | a2->dev_attr.attr.mode = | |
1020 | (*t)->dev_attr.attr.mode; | |
1021 | a2->dev_attr.show = (*t)->dev_attr.show; | |
1022 | a2->dev_attr.store = (*t)->dev_attr.store; | |
1023 | *attrs = &a2->dev_attr.attr; | |
1024 | } else { | |
1025 | a = &su->u.a1; | |
1b63bf61 | 1026 | sysfs_attr_init(&a->dev_attr.attr); |
f73cf632 GR |
1027 | a->dev_attr.attr.name = su->name; |
1028 | a->index = (*t)->u.index + i; | |
1029 | a->dev_attr.attr.mode = | |
1030 | (*t)->dev_attr.attr.mode; | |
1031 | a->dev_attr.show = (*t)->dev_attr.show; | |
1032 | a->dev_attr.store = (*t)->dev_attr.store; | |
1033 | *attrs = &a->dev_attr.attr; | |
1034 | } | |
1035 | attrs++; | |
1036 | su++; | |
1037 | t++; | |
1038 | } | |
1039 | } | |
1040 | ||
f73cf632 GR |
1041 | return group; |
1042 | } | |
1043 | ||
9de2e2e8 GR |
1044 | static bool is_word_sized(struct nct6775_data *data, u16 reg) |
1045 | { | |
1046 | switch (data->kind) { | |
6c009501 GR |
1047 | case nct6106: |
1048 | return reg == 0x20 || reg == 0x22 || reg == 0x24 || | |
1049 | reg == 0xe0 || reg == 0xe2 || reg == 0xe4 || | |
1050 | reg == 0x111 || reg == 0x121 || reg == 0x131; | |
9de2e2e8 GR |
1051 | case nct6775: |
1052 | return (((reg & 0xff00) == 0x100 || | |
1053 | (reg & 0xff00) == 0x200) && | |
1054 | ((reg & 0x00ff) == 0x50 || | |
1055 | (reg & 0x00ff) == 0x53 || | |
1056 | (reg & 0x00ff) == 0x55)) || | |
1057 | (reg & 0xfff0) == 0x630 || | |
1058 | reg == 0x640 || reg == 0x642 || | |
1059 | reg == 0x662 || | |
1060 | ((reg & 0xfff0) == 0x650 && (reg & 0x000f) >= 0x06) || | |
1061 | reg == 0x73 || reg == 0x75 || reg == 0x77; | |
1062 | case nct6776: | |
1063 | return (((reg & 0xff00) == 0x100 || | |
1064 | (reg & 0xff00) == 0x200) && | |
1065 | ((reg & 0x00ff) == 0x50 || | |
1066 | (reg & 0x00ff) == 0x53 || | |
1067 | (reg & 0x00ff) == 0x55)) || | |
1068 | (reg & 0xfff0) == 0x630 || | |
1069 | reg == 0x402 || | |
1070 | reg == 0x640 || reg == 0x642 || | |
1071 | ((reg & 0xfff0) == 0x650 && (reg & 0x000f) >= 0x06) || | |
1072 | reg == 0x73 || reg == 0x75 || reg == 0x77; | |
1073 | case nct6779: | |
578ab5f0 | 1074 | case nct6791: |
8aefb93f | 1075 | case nct6792: |
cd1faefa | 1076 | case nct6793: |
9de2e2e8 | 1077 | return reg == 0x150 || reg == 0x153 || reg == 0x155 || |
578ab5f0 | 1078 | ((reg & 0xfff0) == 0x4b0 && (reg & 0x000f) < 0x0b) || |
9de2e2e8 GR |
1079 | reg == 0x402 || |
1080 | reg == 0x63a || reg == 0x63c || reg == 0x63e || | |
1081 | reg == 0x640 || reg == 0x642 || | |
1082 | reg == 0x73 || reg == 0x75 || reg == 0x77 || reg == 0x79 || | |
8aefb93f | 1083 | reg == 0x7b || reg == 0x7d; |
9de2e2e8 GR |
1084 | } |
1085 | return false; | |
1086 | } | |
1087 | ||
1088 | /* | |
1089 | * On older chips, only registers 0x50-0x5f are banked. | |
1090 | * On more recent chips, all registers are banked. | |
1091 | * Assume that is the case and set the bank number for each access. | |
1092 | * Cache the bank number so it only needs to be set if it changes. | |
1093 | */ | |
1094 | static inline void nct6775_set_bank(struct nct6775_data *data, u16 reg) | |
1095 | { | |
1096 | u8 bank = reg >> 8; | |
9cd892bc | 1097 | |
9de2e2e8 GR |
1098 | if (data->bank != bank) { |
1099 | outb_p(NCT6775_REG_BANK, data->addr + ADDR_REG_OFFSET); | |
1100 | outb_p(bank, data->addr + DATA_REG_OFFSET); | |
1101 | data->bank = bank; | |
1102 | } | |
1103 | } | |
1104 | ||
1105 | static u16 nct6775_read_value(struct nct6775_data *data, u16 reg) | |
1106 | { | |
1107 | int res, word_sized = is_word_sized(data, reg); | |
1108 | ||
9de2e2e8 GR |
1109 | nct6775_set_bank(data, reg); |
1110 | outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET); | |
1111 | res = inb_p(data->addr + DATA_REG_OFFSET); | |
1112 | if (word_sized) { | |
1113 | outb_p((reg & 0xff) + 1, | |
1114 | data->addr + ADDR_REG_OFFSET); | |
1115 | res = (res << 8) + inb_p(data->addr + DATA_REG_OFFSET); | |
1116 | } | |
9de2e2e8 GR |
1117 | return res; |
1118 | } | |
1119 | ||
1120 | static int nct6775_write_value(struct nct6775_data *data, u16 reg, u16 value) | |
1121 | { | |
1122 | int word_sized = is_word_sized(data, reg); | |
1123 | ||
9de2e2e8 GR |
1124 | nct6775_set_bank(data, reg); |
1125 | outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET); | |
1126 | if (word_sized) { | |
1127 | outb_p(value >> 8, data->addr + DATA_REG_OFFSET); | |
1128 | outb_p((reg & 0xff) + 1, | |
1129 | data->addr + ADDR_REG_OFFSET); | |
1130 | } | |
1131 | outb_p(value & 0xff, data->addr + DATA_REG_OFFSET); | |
9de2e2e8 GR |
1132 | return 0; |
1133 | } | |
1134 | ||
aa136e5d GR |
1135 | /* We left-align 8-bit temperature values to make the code simpler */ |
1136 | static u16 nct6775_read_temp(struct nct6775_data *data, u16 reg) | |
1137 | { | |
1138 | u16 res; | |
1139 | ||
1140 | res = nct6775_read_value(data, reg); | |
1141 | if (!is_word_sized(data, reg)) | |
1142 | res <<= 8; | |
1143 | ||
1144 | return res; | |
1145 | } | |
1146 | ||
1147 | static int nct6775_write_temp(struct nct6775_data *data, u16 reg, u16 value) | |
1148 | { | |
1149 | if (!is_word_sized(data, reg)) | |
1150 | value >>= 8; | |
1151 | return nct6775_write_value(data, reg, value); | |
1152 | } | |
1153 | ||
1c65dc36 GR |
1154 | /* This function assumes that the caller holds data->update_lock */ |
1155 | static void nct6775_write_fan_div(struct nct6775_data *data, int nr) | |
1156 | { | |
1157 | u8 reg; | |
1158 | ||
1159 | switch (nr) { | |
1160 | case 0: | |
1161 | reg = (nct6775_read_value(data, NCT6775_REG_FANDIV1) & 0x70) | |
1162 | | (data->fan_div[0] & 0x7); | |
1163 | nct6775_write_value(data, NCT6775_REG_FANDIV1, reg); | |
1164 | break; | |
1165 | case 1: | |
1166 | reg = (nct6775_read_value(data, NCT6775_REG_FANDIV1) & 0x7) | |
1167 | | ((data->fan_div[1] << 4) & 0x70); | |
1168 | nct6775_write_value(data, NCT6775_REG_FANDIV1, reg); | |
1169 | break; | |
1170 | case 2: | |
1171 | reg = (nct6775_read_value(data, NCT6775_REG_FANDIV2) & 0x70) | |
1172 | | (data->fan_div[2] & 0x7); | |
1173 | nct6775_write_value(data, NCT6775_REG_FANDIV2, reg); | |
1174 | break; | |
1175 | case 3: | |
1176 | reg = (nct6775_read_value(data, NCT6775_REG_FANDIV2) & 0x7) | |
1177 | | ((data->fan_div[3] << 4) & 0x70); | |
1178 | nct6775_write_value(data, NCT6775_REG_FANDIV2, reg); | |
1179 | break; | |
1180 | } | |
1181 | } | |
1182 | ||
1183 | static void nct6775_write_fan_div_common(struct nct6775_data *data, int nr) | |
1184 | { | |
1185 | if (data->kind == nct6775) | |
1186 | nct6775_write_fan_div(data, nr); | |
1187 | } | |
1188 | ||
1189 | static void nct6775_update_fan_div(struct nct6775_data *data) | |
1190 | { | |
1191 | u8 i; | |
1192 | ||
1193 | i = nct6775_read_value(data, NCT6775_REG_FANDIV1); | |
1194 | data->fan_div[0] = i & 0x7; | |
1195 | data->fan_div[1] = (i & 0x70) >> 4; | |
1196 | i = nct6775_read_value(data, NCT6775_REG_FANDIV2); | |
1197 | data->fan_div[2] = i & 0x7; | |
6445e660 | 1198 | if (data->has_fan & (1 << 3)) |
1c65dc36 GR |
1199 | data->fan_div[3] = (i & 0x70) >> 4; |
1200 | } | |
1201 | ||
1202 | static void nct6775_update_fan_div_common(struct nct6775_data *data) | |
1203 | { | |
1204 | if (data->kind == nct6775) | |
1205 | nct6775_update_fan_div(data); | |
1206 | } | |
1207 | ||
1208 | static void nct6775_init_fan_div(struct nct6775_data *data) | |
1209 | { | |
1210 | int i; | |
1211 | ||
1212 | nct6775_update_fan_div_common(data); | |
1213 | /* | |
1214 | * For all fans, start with highest divider value if the divider | |
1215 | * register is not initialized. This ensures that we get a | |
1216 | * reading from the fan count register, even if it is not optimal. | |
1217 | * We'll compute a better divider later on. | |
1218 | */ | |
c409fd43 | 1219 | for (i = 0; i < ARRAY_SIZE(data->fan_div); i++) { |
1c65dc36 GR |
1220 | if (!(data->has_fan & (1 << i))) |
1221 | continue; | |
1222 | if (data->fan_div[i] == 0) { | |
1223 | data->fan_div[i] = 7; | |
1224 | nct6775_write_fan_div_common(data, i); | |
1225 | } | |
1226 | } | |
1227 | } | |
1228 | ||
1229 | static void nct6775_init_fan_common(struct device *dev, | |
1230 | struct nct6775_data *data) | |
1231 | { | |
1232 | int i; | |
1233 | u8 reg; | |
1234 | ||
1235 | if (data->has_fan_div) | |
1236 | nct6775_init_fan_div(data); | |
1237 | ||
1238 | /* | |
1239 | * If fan_min is not set (0), set it to 0xff to disable it. This | |
1240 | * prevents the unnecessary warning when fanX_min is reported as 0. | |
1241 | */ | |
c409fd43 | 1242 | for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) { |
1c65dc36 GR |
1243 | if (data->has_fan_min & (1 << i)) { |
1244 | reg = nct6775_read_value(data, data->REG_FAN_MIN[i]); | |
1245 | if (!reg) | |
1246 | nct6775_write_value(data, data->REG_FAN_MIN[i], | |
1247 | data->has_fan_div ? 0xff | |
1248 | : 0xff1f); | |
1249 | } | |
1250 | } | |
1251 | } | |
1252 | ||
1253 | static void nct6775_select_fan_div(struct device *dev, | |
1254 | struct nct6775_data *data, int nr, u16 reg) | |
1255 | { | |
1256 | u8 fan_div = data->fan_div[nr]; | |
1257 | u16 fan_min; | |
1258 | ||
1259 | if (!data->has_fan_div) | |
1260 | return; | |
1261 | ||
1262 | /* | |
1263 | * If we failed to measure the fan speed, or the reported value is not | |
1264 | * in the optimal range, and the clock divider can be modified, | |
1265 | * let's try that for next time. | |
1266 | */ | |
1267 | if (reg == 0x00 && fan_div < 0x07) | |
1268 | fan_div++; | |
1269 | else if (reg != 0x00 && reg < 0x30 && fan_div > 0) | |
1270 | fan_div--; | |
1271 | ||
1272 | if (fan_div != data->fan_div[nr]) { | |
1273 | dev_dbg(dev, "Modifying fan%d clock divider from %u to %u\n", | |
1274 | nr + 1, div_from_reg(data->fan_div[nr]), | |
1275 | div_from_reg(fan_div)); | |
1276 | ||
1277 | /* Preserve min limit if possible */ | |
1278 | if (data->has_fan_min & (1 << nr)) { | |
1279 | fan_min = data->fan_min[nr]; | |
1280 | if (fan_div > data->fan_div[nr]) { | |
1281 | if (fan_min != 255 && fan_min > 1) | |
1282 | fan_min >>= 1; | |
1283 | } else { | |
1284 | if (fan_min != 255) { | |
1285 | fan_min <<= 1; | |
1286 | if (fan_min > 254) | |
1287 | fan_min = 254; | |
1288 | } | |
1289 | } | |
1290 | if (fan_min != data->fan_min[nr]) { | |
1291 | data->fan_min[nr] = fan_min; | |
1292 | nct6775_write_value(data, data->REG_FAN_MIN[nr], | |
1293 | fan_min); | |
1294 | } | |
1295 | } | |
1296 | data->fan_div[nr] = fan_div; | |
1297 | nct6775_write_fan_div_common(data, nr); | |
1298 | } | |
1299 | } | |
1300 | ||
77eb5b37 GR |
1301 | static void nct6775_update_pwm(struct device *dev) |
1302 | { | |
1303 | struct nct6775_data *data = dev_get_drvdata(dev); | |
1304 | int i, j; | |
cdcaeceb | 1305 | int fanmodecfg, reg; |
77eb5b37 GR |
1306 | bool duty_is_dc; |
1307 | ||
1308 | for (i = 0; i < data->pwm_num; i++) { | |
1309 | if (!(data->has_pwm & (1 << i))) | |
1310 | continue; | |
1311 | ||
1312 | duty_is_dc = data->REG_PWM_MODE[i] && | |
1313 | (nct6775_read_value(data, data->REG_PWM_MODE[i]) | |
1314 | & data->PWM_MODE_MASK[i]); | |
1315 | data->pwm_mode[i] = duty_is_dc; | |
1316 | ||
1317 | fanmodecfg = nct6775_read_value(data, data->REG_FAN_MODE[i]); | |
1318 | for (j = 0; j < ARRAY_SIZE(data->REG_PWM); j++) { | |
1319 | if (data->REG_PWM[j] && data->REG_PWM[j][i]) { | |
1320 | data->pwm[j][i] | |
1321 | = nct6775_read_value(data, | |
1322 | data->REG_PWM[j][i]); | |
1323 | } | |
1324 | } | |
1325 | ||
1326 | data->pwm_enable[i] = reg_to_pwm_enable(data->pwm[0][i], | |
1327 | (fanmodecfg >> 4) & 7); | |
cdcaeceb GR |
1328 | |
1329 | if (!data->temp_tolerance[0][i] || | |
1330 | data->pwm_enable[i] != speed_cruise) | |
1331 | data->temp_tolerance[0][i] = fanmodecfg & 0x0f; | |
1332 | if (!data->target_speed_tolerance[i] || | |
1333 | data->pwm_enable[i] == speed_cruise) { | |
1334 | u8 t = fanmodecfg & 0x0f; | |
9cd892bc | 1335 | |
cdcaeceb GR |
1336 | if (data->REG_TOLERANCE_H) { |
1337 | t |= (nct6775_read_value(data, | |
1338 | data->REG_TOLERANCE_H[i]) & 0x70) >> 1; | |
1339 | } | |
1340 | data->target_speed_tolerance[i] = t; | |
1341 | } | |
1342 | ||
1343 | data->temp_tolerance[1][i] = | |
1344 | nct6775_read_value(data, | |
1345 | data->REG_CRITICAL_TEMP_TOLERANCE[i]); | |
1346 | ||
1347 | reg = nct6775_read_value(data, data->REG_TEMP_SEL[i]); | |
1348 | data->pwm_temp_sel[i] = reg & 0x1f; | |
1349 | /* If fan can stop, report floor as 0 */ | |
1350 | if (reg & 0x80) | |
1351 | data->pwm[2][i] = 0; | |
bbd8decd | 1352 | |
cc76dee1 GR |
1353 | if (!data->REG_WEIGHT_TEMP_SEL[i]) |
1354 | continue; | |
1355 | ||
bbd8decd GR |
1356 | reg = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[i]); |
1357 | data->pwm_weight_temp_sel[i] = reg & 0x1f; | |
1358 | /* If weight is disabled, report weight source as 0 */ | |
1359 | if (j == 1 && !(reg & 0x80)) | |
1360 | data->pwm_weight_temp_sel[i] = 0; | |
1361 | ||
1362 | /* Weight temp data */ | |
c409fd43 | 1363 | for (j = 0; j < ARRAY_SIZE(data->weight_temp); j++) { |
bbd8decd GR |
1364 | data->weight_temp[j][i] |
1365 | = nct6775_read_value(data, | |
1366 | data->REG_WEIGHT_TEMP[j][i]); | |
1367 | } | |
cdcaeceb GR |
1368 | } |
1369 | } | |
1370 | ||
1371 | static void nct6775_update_pwm_limits(struct device *dev) | |
1372 | { | |
1373 | struct nct6775_data *data = dev_get_drvdata(dev); | |
1374 | int i, j; | |
1375 | u8 reg; | |
1376 | u16 reg_t; | |
1377 | ||
1378 | for (i = 0; i < data->pwm_num; i++) { | |
1379 | if (!(data->has_pwm & (1 << i))) | |
1380 | continue; | |
1381 | ||
c409fd43 | 1382 | for (j = 0; j < ARRAY_SIZE(data->fan_time); j++) { |
cdcaeceb GR |
1383 | data->fan_time[j][i] = |
1384 | nct6775_read_value(data, data->REG_FAN_TIME[j][i]); | |
1385 | } | |
1386 | ||
1387 | reg_t = nct6775_read_value(data, data->REG_TARGET[i]); | |
1388 | /* Update only in matching mode or if never updated */ | |
1389 | if (!data->target_temp[i] || | |
1390 | data->pwm_enable[i] == thermal_cruise) | |
1391 | data->target_temp[i] = reg_t & data->target_temp_mask; | |
1392 | if (!data->target_speed[i] || | |
1393 | data->pwm_enable[i] == speed_cruise) { | |
1394 | if (data->REG_TOLERANCE_H) { | |
1395 | reg_t |= (nct6775_read_value(data, | |
1396 | data->REG_TOLERANCE_H[i]) & 0x0f) << 8; | |
1397 | } | |
1398 | data->target_speed[i] = reg_t; | |
1399 | } | |
1400 | ||
1401 | for (j = 0; j < data->auto_pwm_num; j++) { | |
1402 | data->auto_pwm[i][j] = | |
1403 | nct6775_read_value(data, | |
1404 | NCT6775_AUTO_PWM(data, i, j)); | |
1405 | data->auto_temp[i][j] = | |
1406 | nct6775_read_value(data, | |
1407 | NCT6775_AUTO_TEMP(data, i, j)); | |
1408 | } | |
1409 | ||
1410 | /* critical auto_pwm temperature data */ | |
1411 | data->auto_temp[i][data->auto_pwm_num] = | |
1412 | nct6775_read_value(data, data->REG_CRITICAL_TEMP[i]); | |
1413 | ||
1414 | switch (data->kind) { | |
1415 | case nct6775: | |
1416 | reg = nct6775_read_value(data, | |
1417 | NCT6775_REG_CRITICAL_ENAB[i]); | |
1418 | data->auto_pwm[i][data->auto_pwm_num] = | |
1419 | (reg & 0x02) ? 0xff : 0x00; | |
1420 | break; | |
1421 | case nct6776: | |
1422 | data->auto_pwm[i][data->auto_pwm_num] = 0xff; | |
1423 | break; | |
6c009501 | 1424 | case nct6106: |
cdcaeceb | 1425 | case nct6779: |
578ab5f0 | 1426 | case nct6791: |
8aefb93f | 1427 | case nct6792: |
cd1faefa | 1428 | case nct6793: |
cdcaeceb | 1429 | reg = nct6775_read_value(data, |
6c009501 GR |
1430 | data->REG_CRITICAL_PWM_ENABLE[i]); |
1431 | if (reg & data->CRITICAL_PWM_ENABLE_MASK) | |
1432 | reg = nct6775_read_value(data, | |
1433 | data->REG_CRITICAL_PWM[i]); | |
cdcaeceb | 1434 | else |
6c009501 GR |
1435 | reg = 0xff; |
1436 | data->auto_pwm[i][data->auto_pwm_num] = reg; | |
cdcaeceb GR |
1437 | break; |
1438 | } | |
77eb5b37 GR |
1439 | } |
1440 | } | |
1441 | ||
9de2e2e8 GR |
1442 | static struct nct6775_data *nct6775_update_device(struct device *dev) |
1443 | { | |
1444 | struct nct6775_data *data = dev_get_drvdata(dev); | |
aa136e5d | 1445 | int i, j; |
9de2e2e8 GR |
1446 | |
1447 | mutex_lock(&data->update_lock); | |
1448 | ||
6445e660 | 1449 | if (time_after(jiffies, data->last_updated + HZ + HZ / 2) |
9de2e2e8 | 1450 | || !data->valid) { |
1c65dc36 GR |
1451 | /* Fan clock dividers */ |
1452 | nct6775_update_fan_div_common(data); | |
1453 | ||
9de2e2e8 GR |
1454 | /* Measured voltages and limits */ |
1455 | for (i = 0; i < data->in_num; i++) { | |
1456 | if (!(data->have_in & (1 << i))) | |
1457 | continue; | |
1458 | ||
1459 | data->in[i][0] = nct6775_read_value(data, | |
1460 | data->REG_VIN[i]); | |
1461 | data->in[i][1] = nct6775_read_value(data, | |
1462 | data->REG_IN_MINMAX[0][i]); | |
1463 | data->in[i][2] = nct6775_read_value(data, | |
1464 | data->REG_IN_MINMAX[1][i]); | |
1465 | } | |
1466 | ||
1c65dc36 | 1467 | /* Measured fan speeds and limits */ |
c409fd43 | 1468 | for (i = 0; i < ARRAY_SIZE(data->rpm); i++) { |
1c65dc36 GR |
1469 | u16 reg; |
1470 | ||
1471 | if (!(data->has_fan & (1 << i))) | |
1472 | continue; | |
1473 | ||
1474 | reg = nct6775_read_value(data, data->REG_FAN[i]); | |
1475 | data->rpm[i] = data->fan_from_reg(reg, | |
1476 | data->fan_div[i]); | |
1477 | ||
1478 | if (data->has_fan_min & (1 << i)) | |
1479 | data->fan_min[i] = nct6775_read_value(data, | |
1480 | data->REG_FAN_MIN[i]); | |
5c25d954 | 1481 | data->fan_pulses[i] = |
6c009501 GR |
1482 | (nct6775_read_value(data, data->REG_FAN_PULSES[i]) |
1483 | >> data->FAN_PULSE_SHIFT[i]) & 0x03; | |
1c65dc36 GR |
1484 | |
1485 | nct6775_select_fan_div(dev, data, i, reg); | |
1486 | } | |
1487 | ||
77eb5b37 | 1488 | nct6775_update_pwm(dev); |
cdcaeceb | 1489 | nct6775_update_pwm_limits(dev); |
77eb5b37 | 1490 | |
aa136e5d GR |
1491 | /* Measured temperatures and limits */ |
1492 | for (i = 0; i < NUM_TEMP; i++) { | |
1493 | if (!(data->have_temp & (1 << i))) | |
1494 | continue; | |
c409fd43 | 1495 | for (j = 0; j < ARRAY_SIZE(data->reg_temp); j++) { |
aa136e5d GR |
1496 | if (data->reg_temp[j][i]) |
1497 | data->temp[j][i] | |
1498 | = nct6775_read_temp(data, | |
1499 | data->reg_temp[j][i]); | |
1500 | } | |
45a5b3a1 GR |
1501 | if (i >= NUM_TEMP_FIXED || |
1502 | !(data->have_temp_fixed & (1 << i))) | |
aa136e5d GR |
1503 | continue; |
1504 | data->temp_offset[i] | |
1505 | = nct6775_read_value(data, data->REG_TEMP_OFFSET[i]); | |
1506 | } | |
1507 | ||
9de2e2e8 GR |
1508 | data->alarms = 0; |
1509 | for (i = 0; i < NUM_REG_ALARM; i++) { | |
1510 | u8 alarm; | |
9cd892bc | 1511 | |
9de2e2e8 GR |
1512 | if (!data->REG_ALARM[i]) |
1513 | continue; | |
1514 | alarm = nct6775_read_value(data, data->REG_ALARM[i]); | |
1515 | data->alarms |= ((u64)alarm) << (i << 3); | |
1516 | } | |
1517 | ||
30846993 GR |
1518 | data->beeps = 0; |
1519 | for (i = 0; i < NUM_REG_BEEP; i++) { | |
1520 | u8 beep; | |
9cd892bc | 1521 | |
30846993 GR |
1522 | if (!data->REG_BEEP[i]) |
1523 | continue; | |
1524 | beep = nct6775_read_value(data, data->REG_BEEP[i]); | |
1525 | data->beeps |= ((u64)beep) << (i << 3); | |
1526 | } | |
1527 | ||
9de2e2e8 GR |
1528 | data->last_updated = jiffies; |
1529 | data->valid = true; | |
1530 | } | |
1531 | ||
1532 | mutex_unlock(&data->update_lock); | |
1533 | return data; | |
1534 | } | |
1535 | ||
1536 | /* | |
1537 | * Sysfs callback functions | |
1538 | */ | |
1539 | static ssize_t | |
1540 | show_in_reg(struct device *dev, struct device_attribute *attr, char *buf) | |
1541 | { | |
1542 | struct nct6775_data *data = nct6775_update_device(dev); | |
1543 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
9de2e2e8 | 1544 | int index = sattr->index; |
9cd892bc GR |
1545 | int nr = sattr->nr; |
1546 | ||
9de2e2e8 GR |
1547 | return sprintf(buf, "%ld\n", in_from_reg(data->in[nr][index], nr)); |
1548 | } | |
1549 | ||
1550 | static ssize_t | |
1551 | store_in_reg(struct device *dev, struct device_attribute *attr, const char *buf, | |
1552 | size_t count) | |
1553 | { | |
1554 | struct nct6775_data *data = dev_get_drvdata(dev); | |
1555 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
9de2e2e8 | 1556 | int index = sattr->index; |
9cd892bc | 1557 | int nr = sattr->nr; |
9de2e2e8 | 1558 | unsigned long val; |
9cd892bc GR |
1559 | int err; |
1560 | ||
1561 | err = kstrtoul(buf, 10, &val); | |
9de2e2e8 GR |
1562 | if (err < 0) |
1563 | return err; | |
1564 | mutex_lock(&data->update_lock); | |
1565 | data->in[nr][index] = in_to_reg(val, nr); | |
6445e660 | 1566 | nct6775_write_value(data, data->REG_IN_MINMAX[index - 1][nr], |
9de2e2e8 GR |
1567 | data->in[nr][index]); |
1568 | mutex_unlock(&data->update_lock); | |
1569 | return count; | |
1570 | } | |
1571 | ||
1572 | static ssize_t | |
1573 | show_alarm(struct device *dev, struct device_attribute *attr, char *buf) | |
1574 | { | |
1575 | struct nct6775_data *data = nct6775_update_device(dev); | |
1576 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1577 | int nr = data->ALARM_BITS[sattr->index]; | |
9cd892bc | 1578 | |
9de2e2e8 GR |
1579 | return sprintf(buf, "%u\n", |
1580 | (unsigned int)((data->alarms >> nr) & 0x01)); | |
1581 | } | |
1582 | ||
b1d2bff6 GR |
1583 | static int find_temp_source(struct nct6775_data *data, int index, int count) |
1584 | { | |
1585 | int source = data->temp_src[index]; | |
1586 | int nr; | |
1587 | ||
1588 | for (nr = 0; nr < count; nr++) { | |
1589 | int src; | |
1590 | ||
1591 | src = nct6775_read_value(data, | |
1592 | data->REG_TEMP_SOURCE[nr]) & 0x1f; | |
1593 | if (src == source) | |
1594 | return nr; | |
1595 | } | |
e8ab508c | 1596 | return -ENODEV; |
b1d2bff6 GR |
1597 | } |
1598 | ||
1599 | static ssize_t | |
1600 | show_temp_alarm(struct device *dev, struct device_attribute *attr, char *buf) | |
1601 | { | |
1602 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1603 | struct nct6775_data *data = nct6775_update_device(dev); | |
1604 | unsigned int alarm = 0; | |
1605 | int nr; | |
1606 | ||
1607 | /* | |
1608 | * For temperatures, there is no fixed mapping from registers to alarm | |
1609 | * bits. Alarm bits are determined by the temperature source mapping. | |
1610 | */ | |
1611 | nr = find_temp_source(data, sattr->index, data->num_temp_alarms); | |
1612 | if (nr >= 0) { | |
1613 | int bit = data->ALARM_BITS[nr + TEMP_ALARM_BASE]; | |
9cd892bc | 1614 | |
b1d2bff6 GR |
1615 | alarm = (data->alarms >> bit) & 0x01; |
1616 | } | |
1617 | return sprintf(buf, "%u\n", alarm); | |
1618 | } | |
1619 | ||
30846993 GR |
1620 | static ssize_t |
1621 | show_beep(struct device *dev, struct device_attribute *attr, char *buf) | |
1622 | { | |
1623 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1624 | struct nct6775_data *data = nct6775_update_device(dev); | |
1625 | int nr = data->BEEP_BITS[sattr->index]; | |
1626 | ||
1627 | return sprintf(buf, "%u\n", | |
1628 | (unsigned int)((data->beeps >> nr) & 0x01)); | |
1629 | } | |
1630 | ||
1631 | static ssize_t | |
1632 | store_beep(struct device *dev, struct device_attribute *attr, const char *buf, | |
1633 | size_t count) | |
1634 | { | |
1635 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
1636 | struct nct6775_data *data = dev_get_drvdata(dev); | |
1637 | int nr = data->BEEP_BITS[sattr->index]; | |
1638 | int regindex = nr >> 3; | |
1639 | unsigned long val; | |
9cd892bc | 1640 | int err; |
30846993 | 1641 | |
9cd892bc | 1642 | err = kstrtoul(buf, 10, &val); |
30846993 GR |
1643 | if (err < 0) |
1644 | return err; | |
1645 | if (val > 1) | |
1646 | return -EINVAL; | |
1647 | ||
1648 | mutex_lock(&data->update_lock); | |
1649 | if (val) | |
1650 | data->beeps |= (1ULL << nr); | |
1651 | else | |
1652 | data->beeps &= ~(1ULL << nr); | |
1653 | nct6775_write_value(data, data->REG_BEEP[regindex], | |
1654 | (data->beeps >> (regindex << 3)) & 0xff); | |
1655 | mutex_unlock(&data->update_lock); | |
1656 | return count; | |
1657 | } | |
1658 | ||
1659 | static ssize_t | |
1660 | show_temp_beep(struct device *dev, struct device_attribute *attr, char *buf) | |
1661 | { | |
1662 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1663 | struct nct6775_data *data = nct6775_update_device(dev); | |
1664 | unsigned int beep = 0; | |
1665 | int nr; | |
1666 | ||
1667 | /* | |
1668 | * For temperatures, there is no fixed mapping from registers to beep | |
1669 | * enable bits. Beep enable bits are determined by the temperature | |
1670 | * source mapping. | |
1671 | */ | |
1672 | nr = find_temp_source(data, sattr->index, data->num_temp_beeps); | |
1673 | if (nr >= 0) { | |
1674 | int bit = data->BEEP_BITS[nr + TEMP_ALARM_BASE]; | |
9cd892bc | 1675 | |
30846993 GR |
1676 | beep = (data->beeps >> bit) & 0x01; |
1677 | } | |
1678 | return sprintf(buf, "%u\n", beep); | |
1679 | } | |
1680 | ||
1681 | static ssize_t | |
1682 | store_temp_beep(struct device *dev, struct device_attribute *attr, | |
1683 | const char *buf, size_t count) | |
1684 | { | |
1685 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
1686 | struct nct6775_data *data = dev_get_drvdata(dev); | |
1687 | int nr, bit, regindex; | |
1688 | unsigned long val; | |
9cd892bc | 1689 | int err; |
30846993 | 1690 | |
9cd892bc | 1691 | err = kstrtoul(buf, 10, &val); |
30846993 GR |
1692 | if (err < 0) |
1693 | return err; | |
1694 | if (val > 1) | |
1695 | return -EINVAL; | |
1696 | ||
1697 | nr = find_temp_source(data, sattr->index, data->num_temp_beeps); | |
1698 | if (nr < 0) | |
e8ab508c | 1699 | return nr; |
30846993 GR |
1700 | |
1701 | bit = data->BEEP_BITS[nr + TEMP_ALARM_BASE]; | |
1702 | regindex = bit >> 3; | |
1703 | ||
1704 | mutex_lock(&data->update_lock); | |
1705 | if (val) | |
1706 | data->beeps |= (1ULL << bit); | |
1707 | else | |
1708 | data->beeps &= ~(1ULL << bit); | |
1709 | nct6775_write_value(data, data->REG_BEEP[regindex], | |
1710 | (data->beeps >> (regindex << 3)) & 0xff); | |
1711 | mutex_unlock(&data->update_lock); | |
1712 | ||
1713 | return count; | |
1714 | } | |
1715 | ||
f73cf632 GR |
1716 | static umode_t nct6775_in_is_visible(struct kobject *kobj, |
1717 | struct attribute *attr, int index) | |
1718 | { | |
1719 | struct device *dev = container_of(kobj, struct device, kobj); | |
1720 | struct nct6775_data *data = dev_get_drvdata(dev); | |
30846993 | 1721 | int in = index / 5; /* voltage index */ |
f73cf632 GR |
1722 | |
1723 | if (!(data->have_in & (1 << in))) | |
1724 | return 0; | |
1725 | ||
1726 | return attr->mode; | |
1727 | } | |
1728 | ||
1729 | SENSOR_TEMPLATE_2(in_input, "in%d_input", S_IRUGO, show_in_reg, NULL, 0, 0); | |
1730 | SENSOR_TEMPLATE(in_alarm, "in%d_alarm", S_IRUGO, show_alarm, NULL, 0); | |
30846993 GR |
1731 | SENSOR_TEMPLATE(in_beep, "in%d_beep", S_IWUSR | S_IRUGO, show_beep, store_beep, |
1732 | 0); | |
f73cf632 GR |
1733 | SENSOR_TEMPLATE_2(in_min, "in%d_min", S_IWUSR | S_IRUGO, show_in_reg, |
1734 | store_in_reg, 0, 1); | |
1735 | SENSOR_TEMPLATE_2(in_max, "in%d_max", S_IWUSR | S_IRUGO, show_in_reg, | |
1736 | store_in_reg, 0, 2); | |
1737 | ||
1738 | /* | |
1739 | * nct6775_in_is_visible uses the index into the following array | |
1740 | * to determine if attributes should be created or not. | |
1741 | * Any change in order or content must be matched. | |
1742 | */ | |
1743 | static struct sensor_device_template *nct6775_attributes_in_template[] = { | |
1744 | &sensor_dev_template_in_input, | |
1745 | &sensor_dev_template_in_alarm, | |
30846993 | 1746 | &sensor_dev_template_in_beep, |
f73cf632 GR |
1747 | &sensor_dev_template_in_min, |
1748 | &sensor_dev_template_in_max, | |
1749 | NULL | |
9de2e2e8 GR |
1750 | }; |
1751 | ||
f73cf632 GR |
1752 | static struct sensor_template_group nct6775_in_template_group = { |
1753 | .templates = nct6775_attributes_in_template, | |
1754 | .is_visible = nct6775_in_is_visible, | |
9de2e2e8 GR |
1755 | }; |
1756 | ||
1c65dc36 GR |
1757 | static ssize_t |
1758 | show_fan(struct device *dev, struct device_attribute *attr, char *buf) | |
1759 | { | |
1760 | struct nct6775_data *data = nct6775_update_device(dev); | |
1761 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1762 | int nr = sattr->index; | |
9cd892bc | 1763 | |
1c65dc36 GR |
1764 | return sprintf(buf, "%d\n", data->rpm[nr]); |
1765 | } | |
1766 | ||
1767 | static ssize_t | |
1768 | show_fan_min(struct device *dev, struct device_attribute *attr, char *buf) | |
1769 | { | |
1770 | struct nct6775_data *data = nct6775_update_device(dev); | |
1771 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1772 | int nr = sattr->index; | |
9cd892bc | 1773 | |
1c65dc36 GR |
1774 | return sprintf(buf, "%d\n", |
1775 | data->fan_from_reg_min(data->fan_min[nr], | |
1776 | data->fan_div[nr])); | |
1777 | } | |
1778 | ||
1779 | static ssize_t | |
1780 | show_fan_div(struct device *dev, struct device_attribute *attr, char *buf) | |
1781 | { | |
1782 | struct nct6775_data *data = nct6775_update_device(dev); | |
1783 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1784 | int nr = sattr->index; | |
9cd892bc | 1785 | |
1c65dc36 GR |
1786 | return sprintf(buf, "%u\n", div_from_reg(data->fan_div[nr])); |
1787 | } | |
1788 | ||
1789 | static ssize_t | |
1790 | store_fan_min(struct device *dev, struct device_attribute *attr, | |
1791 | const char *buf, size_t count) | |
1792 | { | |
1793 | struct nct6775_data *data = dev_get_drvdata(dev); | |
1794 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1795 | int nr = sattr->index; | |
1796 | unsigned long val; | |
1c65dc36 GR |
1797 | unsigned int reg; |
1798 | u8 new_div; | |
9cd892bc | 1799 | int err; |
1c65dc36 GR |
1800 | |
1801 | err = kstrtoul(buf, 10, &val); | |
1802 | if (err < 0) | |
1803 | return err; | |
1804 | ||
1805 | mutex_lock(&data->update_lock); | |
1806 | if (!data->has_fan_div) { | |
1807 | /* NCT6776F or NCT6779D; we know this is a 13 bit register */ | |
1808 | if (!val) { | |
1809 | val = 0xff1f; | |
1810 | } else { | |
1811 | if (val > 1350000U) | |
1812 | val = 135000U; | |
1813 | val = 1350000U / val; | |
1814 | val = (val & 0x1f) | ((val << 3) & 0xff00); | |
1815 | } | |
1816 | data->fan_min[nr] = val; | |
1817 | goto write_min; /* Leave fan divider alone */ | |
1818 | } | |
1819 | if (!val) { | |
1820 | /* No min limit, alarm disabled */ | |
1821 | data->fan_min[nr] = 255; | |
1822 | new_div = data->fan_div[nr]; /* No change */ | |
1823 | dev_info(dev, "fan%u low limit and alarm disabled\n", nr + 1); | |
1824 | goto write_div; | |
1825 | } | |
1826 | reg = 1350000U / val; | |
1827 | if (reg >= 128 * 255) { | |
1828 | /* | |
1829 | * Speed below this value cannot possibly be represented, | |
1830 | * even with the highest divider (128) | |
1831 | */ | |
1832 | data->fan_min[nr] = 254; | |
1833 | new_div = 7; /* 128 == (1 << 7) */ | |
1834 | dev_warn(dev, | |
1835 | "fan%u low limit %lu below minimum %u, set to minimum\n", | |
1836 | nr + 1, val, data->fan_from_reg_min(254, 7)); | |
1837 | } else if (!reg) { | |
1838 | /* | |
1839 | * Speed above this value cannot possibly be represented, | |
1840 | * even with the lowest divider (1) | |
1841 | */ | |
1842 | data->fan_min[nr] = 1; | |
1843 | new_div = 0; /* 1 == (1 << 0) */ | |
1844 | dev_warn(dev, | |
1845 | "fan%u low limit %lu above maximum %u, set to maximum\n", | |
1846 | nr + 1, val, data->fan_from_reg_min(1, 0)); | |
1847 | } else { | |
1848 | /* | |
1849 | * Automatically pick the best divider, i.e. the one such | |
1850 | * that the min limit will correspond to a register value | |
1851 | * in the 96..192 range | |
1852 | */ | |
1853 | new_div = 0; | |
1854 | while (reg > 192 && new_div < 7) { | |
1855 | reg >>= 1; | |
1856 | new_div++; | |
1857 | } | |
1858 | data->fan_min[nr] = reg; | |
1859 | } | |
1860 | ||
1861 | write_div: | |
1862 | /* | |
1863 | * Write both the fan clock divider (if it changed) and the new | |
1864 | * fan min (unconditionally) | |
1865 | */ | |
1866 | if (new_div != data->fan_div[nr]) { | |
1867 | dev_dbg(dev, "fan%u clock divider changed from %u to %u\n", | |
1868 | nr + 1, div_from_reg(data->fan_div[nr]), | |
1869 | div_from_reg(new_div)); | |
1870 | data->fan_div[nr] = new_div; | |
1871 | nct6775_write_fan_div_common(data, nr); | |
1872 | /* Give the chip time to sample a new speed value */ | |
1873 | data->last_updated = jiffies; | |
1874 | } | |
1875 | ||
1876 | write_min: | |
1877 | nct6775_write_value(data, data->REG_FAN_MIN[nr], data->fan_min[nr]); | |
1878 | mutex_unlock(&data->update_lock); | |
1879 | ||
1880 | return count; | |
1881 | } | |
1882 | ||
5c25d954 GR |
1883 | static ssize_t |
1884 | show_fan_pulses(struct device *dev, struct device_attribute *attr, char *buf) | |
1885 | { | |
1886 | struct nct6775_data *data = nct6775_update_device(dev); | |
1887 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1888 | int p = data->fan_pulses[sattr->index]; | |
1889 | ||
1890 | return sprintf(buf, "%d\n", p ? : 4); | |
1891 | } | |
1892 | ||
1893 | static ssize_t | |
1894 | store_fan_pulses(struct device *dev, struct device_attribute *attr, | |
1895 | const char *buf, size_t count) | |
1896 | { | |
1897 | struct nct6775_data *data = dev_get_drvdata(dev); | |
1898 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1899 | int nr = sattr->index; | |
1900 | unsigned long val; | |
1901 | int err; | |
6c009501 | 1902 | u8 reg; |
5c25d954 GR |
1903 | |
1904 | err = kstrtoul(buf, 10, &val); | |
1905 | if (err < 0) | |
1906 | return err; | |
1907 | ||
1908 | if (val > 4) | |
1909 | return -EINVAL; | |
1910 | ||
1911 | mutex_lock(&data->update_lock); | |
1912 | data->fan_pulses[nr] = val & 3; | |
6c009501 GR |
1913 | reg = nct6775_read_value(data, data->REG_FAN_PULSES[nr]); |
1914 | reg &= ~(0x03 << data->FAN_PULSE_SHIFT[nr]); | |
1915 | reg |= (val & 3) << data->FAN_PULSE_SHIFT[nr]; | |
1916 | nct6775_write_value(data, data->REG_FAN_PULSES[nr], reg); | |
5c25d954 GR |
1917 | mutex_unlock(&data->update_lock); |
1918 | ||
1919 | return count; | |
1920 | } | |
1921 | ||
f73cf632 GR |
1922 | static umode_t nct6775_fan_is_visible(struct kobject *kobj, |
1923 | struct attribute *attr, int index) | |
1924 | { | |
1925 | struct device *dev = container_of(kobj, struct device, kobj); | |
1926 | struct nct6775_data *data = dev_get_drvdata(dev); | |
30846993 GR |
1927 | int fan = index / 6; /* fan index */ |
1928 | int nr = index % 6; /* attribute index */ | |
1c65dc36 | 1929 | |
f73cf632 GR |
1930 | if (!(data->has_fan & (1 << fan))) |
1931 | return 0; | |
1c65dc36 | 1932 | |
f73cf632 GR |
1933 | if (nr == 1 && data->ALARM_BITS[FAN_ALARM_BASE + fan] == -1) |
1934 | return 0; | |
30846993 | 1935 | if (nr == 2 && data->BEEP_BITS[FAN_ALARM_BASE + fan] == -1) |
f73cf632 | 1936 | return 0; |
30846993 GR |
1937 | if (nr == 4 && !(data->has_fan_min & (1 << fan))) |
1938 | return 0; | |
1939 | if (nr == 5 && data->kind != nct6775) | |
f73cf632 GR |
1940 | return 0; |
1941 | ||
1942 | return attr->mode; | |
1943 | } | |
1c65dc36 | 1944 | |
f73cf632 GR |
1945 | SENSOR_TEMPLATE(fan_input, "fan%d_input", S_IRUGO, show_fan, NULL, 0); |
1946 | SENSOR_TEMPLATE(fan_alarm, "fan%d_alarm", S_IRUGO, show_alarm, NULL, | |
1947 | FAN_ALARM_BASE); | |
30846993 GR |
1948 | SENSOR_TEMPLATE(fan_beep, "fan%d_beep", S_IWUSR | S_IRUGO, show_beep, |
1949 | store_beep, FAN_ALARM_BASE); | |
f73cf632 GR |
1950 | SENSOR_TEMPLATE(fan_pulses, "fan%d_pulses", S_IWUSR | S_IRUGO, show_fan_pulses, |
1951 | store_fan_pulses, 0); | |
1952 | SENSOR_TEMPLATE(fan_min, "fan%d_min", S_IWUSR | S_IRUGO, show_fan_min, | |
1953 | store_fan_min, 0); | |
1954 | SENSOR_TEMPLATE(fan_div, "fan%d_div", S_IRUGO, show_fan_div, NULL, 0); | |
1955 | ||
1956 | /* | |
1957 | * nct6775_fan_is_visible uses the index into the following array | |
1958 | * to determine if attributes should be created or not. | |
1959 | * Any change in order or content must be matched. | |
1960 | */ | |
1961 | static struct sensor_device_template *nct6775_attributes_fan_template[] = { | |
1962 | &sensor_dev_template_fan_input, | |
1963 | &sensor_dev_template_fan_alarm, /* 1 */ | |
30846993 | 1964 | &sensor_dev_template_fan_beep, /* 2 */ |
f73cf632 | 1965 | &sensor_dev_template_fan_pulses, |
30846993 GR |
1966 | &sensor_dev_template_fan_min, /* 4 */ |
1967 | &sensor_dev_template_fan_div, /* 5 */ | |
f73cf632 | 1968 | NULL |
5c25d954 GR |
1969 | }; |
1970 | ||
f73cf632 GR |
1971 | static struct sensor_template_group nct6775_fan_template_group = { |
1972 | .templates = nct6775_attributes_fan_template, | |
1973 | .is_visible = nct6775_fan_is_visible, | |
1974 | .base = 1, | |
1c65dc36 GR |
1975 | }; |
1976 | ||
aa136e5d GR |
1977 | static ssize_t |
1978 | show_temp_label(struct device *dev, struct device_attribute *attr, char *buf) | |
1979 | { | |
1980 | struct nct6775_data *data = nct6775_update_device(dev); | |
1981 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1982 | int nr = sattr->index; | |
9cd892bc | 1983 | |
aa136e5d GR |
1984 | return sprintf(buf, "%s\n", data->temp_label[data->temp_src[nr]]); |
1985 | } | |
1986 | ||
1987 | static ssize_t | |
1988 | show_temp(struct device *dev, struct device_attribute *attr, char *buf) | |
1989 | { | |
1990 | struct nct6775_data *data = nct6775_update_device(dev); | |
1991 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
1992 | int nr = sattr->nr; | |
1993 | int index = sattr->index; | |
1994 | ||
1995 | return sprintf(buf, "%d\n", LM75_TEMP_FROM_REG(data->temp[index][nr])); | |
1996 | } | |
1997 | ||
1998 | static ssize_t | |
1999 | store_temp(struct device *dev, struct device_attribute *attr, const char *buf, | |
2000 | size_t count) | |
2001 | { | |
2002 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2003 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2004 | int nr = sattr->nr; | |
2005 | int index = sattr->index; | |
2006 | int err; | |
2007 | long val; | |
2008 | ||
2009 | err = kstrtol(buf, 10, &val); | |
2010 | if (err < 0) | |
2011 | return err; | |
2012 | ||
2013 | mutex_lock(&data->update_lock); | |
2014 | data->temp[index][nr] = LM75_TEMP_TO_REG(val); | |
2015 | nct6775_write_temp(data, data->reg_temp[index][nr], | |
2016 | data->temp[index][nr]); | |
2017 | mutex_unlock(&data->update_lock); | |
2018 | return count; | |
2019 | } | |
2020 | ||
2021 | static ssize_t | |
2022 | show_temp_offset(struct device *dev, struct device_attribute *attr, char *buf) | |
2023 | { | |
2024 | struct nct6775_data *data = nct6775_update_device(dev); | |
2025 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2026 | ||
2027 | return sprintf(buf, "%d\n", data->temp_offset[sattr->index] * 1000); | |
2028 | } | |
2029 | ||
2030 | static ssize_t | |
2031 | store_temp_offset(struct device *dev, struct device_attribute *attr, | |
2032 | const char *buf, size_t count) | |
2033 | { | |
2034 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2035 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2036 | int nr = sattr->index; | |
2037 | long val; | |
2038 | int err; | |
2039 | ||
2040 | err = kstrtol(buf, 10, &val); | |
2041 | if (err < 0) | |
2042 | return err; | |
2043 | ||
2044 | val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127); | |
2045 | ||
2046 | mutex_lock(&data->update_lock); | |
2047 | data->temp_offset[nr] = val; | |
2048 | nct6775_write_value(data, data->REG_TEMP_OFFSET[nr], val); | |
2049 | mutex_unlock(&data->update_lock); | |
2050 | ||
2051 | return count; | |
2052 | } | |
2053 | ||
2054 | static ssize_t | |
2055 | show_temp_type(struct device *dev, struct device_attribute *attr, char *buf) | |
2056 | { | |
2057 | struct nct6775_data *data = nct6775_update_device(dev); | |
2058 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2059 | int nr = sattr->index; | |
9cd892bc | 2060 | |
aa136e5d GR |
2061 | return sprintf(buf, "%d\n", (int)data->temp_type[nr]); |
2062 | } | |
2063 | ||
2064 | static ssize_t | |
2065 | store_temp_type(struct device *dev, struct device_attribute *attr, | |
2066 | const char *buf, size_t count) | |
2067 | { | |
2068 | struct nct6775_data *data = nct6775_update_device(dev); | |
2069 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2070 | int nr = sattr->index; | |
2071 | unsigned long val; | |
2072 | int err; | |
6c009501 | 2073 | u8 vbat, diode, vbit, dbit; |
aa136e5d GR |
2074 | |
2075 | err = kstrtoul(buf, 10, &val); | |
2076 | if (err < 0) | |
2077 | return err; | |
2078 | ||
2079 | if (val != 1 && val != 3 && val != 4) | |
2080 | return -EINVAL; | |
2081 | ||
2082 | mutex_lock(&data->update_lock); | |
2083 | ||
2084 | data->temp_type[nr] = val; | |
6c009501 GR |
2085 | vbit = 0x02 << nr; |
2086 | dbit = data->DIODE_MASK << nr; | |
2087 | vbat = nct6775_read_value(data, data->REG_VBAT) & ~vbit; | |
2088 | diode = nct6775_read_value(data, data->REG_DIODE) & ~dbit; | |
aa136e5d GR |
2089 | switch (val) { |
2090 | case 1: /* CPU diode (diode, current mode) */ | |
6c009501 GR |
2091 | vbat |= vbit; |
2092 | diode |= dbit; | |
aa136e5d GR |
2093 | break; |
2094 | case 3: /* diode, voltage mode */ | |
6c009501 | 2095 | vbat |= dbit; |
aa136e5d GR |
2096 | break; |
2097 | case 4: /* thermistor */ | |
2098 | break; | |
2099 | } | |
2100 | nct6775_write_value(data, data->REG_VBAT, vbat); | |
2101 | nct6775_write_value(data, data->REG_DIODE, diode); | |
2102 | ||
2103 | mutex_unlock(&data->update_lock); | |
2104 | return count; | |
2105 | } | |
2106 | ||
f73cf632 GR |
2107 | static umode_t nct6775_temp_is_visible(struct kobject *kobj, |
2108 | struct attribute *attr, int index) | |
2109 | { | |
2110 | struct device *dev = container_of(kobj, struct device, kobj); | |
2111 | struct nct6775_data *data = dev_get_drvdata(dev); | |
30846993 GR |
2112 | int temp = index / 10; /* temp index */ |
2113 | int nr = index % 10; /* attribute index */ | |
aa136e5d | 2114 | |
f73cf632 GR |
2115 | if (!(data->have_temp & (1 << temp))) |
2116 | return 0; | |
aa136e5d | 2117 | |
f73cf632 GR |
2118 | if (nr == 2 && find_temp_source(data, temp, data->num_temp_alarms) < 0) |
2119 | return 0; /* alarm */ | |
aa136e5d | 2120 | |
30846993 GR |
2121 | if (nr == 3 && find_temp_source(data, temp, data->num_temp_beeps) < 0) |
2122 | return 0; /* beep */ | |
2123 | ||
2124 | if (nr == 4 && !data->reg_temp[1][temp]) /* max */ | |
f73cf632 | 2125 | return 0; |
aa136e5d | 2126 | |
30846993 | 2127 | if (nr == 5 && !data->reg_temp[2][temp]) /* max_hyst */ |
f73cf632 | 2128 | return 0; |
aa136e5d | 2129 | |
30846993 | 2130 | if (nr == 6 && !data->reg_temp[3][temp]) /* crit */ |
f73cf632 GR |
2131 | return 0; |
2132 | ||
30846993 | 2133 | if (nr == 7 && !data->reg_temp[4][temp]) /* lcrit */ |
b7a61353 GR |
2134 | return 0; |
2135 | ||
2136 | /* offset and type only apply to fixed sensors */ | |
30846993 | 2137 | if (nr > 7 && !(data->have_temp_fixed & (1 << temp))) |
f73cf632 | 2138 | return 0; |
aa136e5d | 2139 | |
f73cf632 GR |
2140 | return attr->mode; |
2141 | } | |
2142 | ||
2143 | SENSOR_TEMPLATE_2(temp_input, "temp%d_input", S_IRUGO, show_temp, NULL, 0, 0); | |
2144 | SENSOR_TEMPLATE(temp_label, "temp%d_label", S_IRUGO, show_temp_label, NULL, 0); | |
2145 | SENSOR_TEMPLATE_2(temp_max, "temp%d_max", S_IRUGO | S_IWUSR, show_temp, | |
2146 | store_temp, 0, 1); | |
2147 | SENSOR_TEMPLATE_2(temp_max_hyst, "temp%d_max_hyst", S_IRUGO | S_IWUSR, | |
2148 | show_temp, store_temp, 0, 2); | |
2149 | SENSOR_TEMPLATE_2(temp_crit, "temp%d_crit", S_IRUGO | S_IWUSR, show_temp, | |
2150 | store_temp, 0, 3); | |
b7a61353 GR |
2151 | SENSOR_TEMPLATE_2(temp_lcrit, "temp%d_lcrit", S_IRUGO | S_IWUSR, show_temp, |
2152 | store_temp, 0, 4); | |
f73cf632 GR |
2153 | SENSOR_TEMPLATE(temp_offset, "temp%d_offset", S_IRUGO | S_IWUSR, |
2154 | show_temp_offset, store_temp_offset, 0); | |
2155 | SENSOR_TEMPLATE(temp_type, "temp%d_type", S_IRUGO | S_IWUSR, show_temp_type, | |
2156 | store_temp_type, 0); | |
2157 | SENSOR_TEMPLATE(temp_alarm, "temp%d_alarm", S_IRUGO, show_temp_alarm, NULL, 0); | |
30846993 GR |
2158 | SENSOR_TEMPLATE(temp_beep, "temp%d_beep", S_IRUGO | S_IWUSR, show_temp_beep, |
2159 | store_temp_beep, 0); | |
f73cf632 GR |
2160 | |
2161 | /* | |
2162 | * nct6775_temp_is_visible uses the index into the following array | |
2163 | * to determine if attributes should be created or not. | |
2164 | * Any change in order or content must be matched. | |
2165 | */ | |
2166 | static struct sensor_device_template *nct6775_attributes_temp_template[] = { | |
2167 | &sensor_dev_template_temp_input, | |
2168 | &sensor_dev_template_temp_label, | |
2169 | &sensor_dev_template_temp_alarm, /* 2 */ | |
30846993 GR |
2170 | &sensor_dev_template_temp_beep, /* 3 */ |
2171 | &sensor_dev_template_temp_max, /* 4 */ | |
2172 | &sensor_dev_template_temp_max_hyst, /* 5 */ | |
2173 | &sensor_dev_template_temp_crit, /* 6 */ | |
2174 | &sensor_dev_template_temp_lcrit, /* 7 */ | |
2175 | &sensor_dev_template_temp_offset, /* 8 */ | |
2176 | &sensor_dev_template_temp_type, /* 9 */ | |
f73cf632 | 2177 | NULL |
aa136e5d GR |
2178 | }; |
2179 | ||
f73cf632 GR |
2180 | static struct sensor_template_group nct6775_temp_template_group = { |
2181 | .templates = nct6775_attributes_temp_template, | |
2182 | .is_visible = nct6775_temp_is_visible, | |
2183 | .base = 1, | |
aa136e5d GR |
2184 | }; |
2185 | ||
77eb5b37 GR |
2186 | static ssize_t |
2187 | show_pwm_mode(struct device *dev, struct device_attribute *attr, char *buf) | |
2188 | { | |
2189 | struct nct6775_data *data = nct6775_update_device(dev); | |
2190 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2191 | ||
2192 | return sprintf(buf, "%d\n", !data->pwm_mode[sattr->index]); | |
2193 | } | |
2194 | ||
2195 | static ssize_t | |
2196 | store_pwm_mode(struct device *dev, struct device_attribute *attr, | |
2197 | const char *buf, size_t count) | |
2198 | { | |
2199 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2200 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2201 | int nr = sattr->index; | |
2202 | unsigned long val; | |
2203 | int err; | |
2204 | u8 reg; | |
2205 | ||
2206 | err = kstrtoul(buf, 10, &val); | |
2207 | if (err < 0) | |
2208 | return err; | |
2209 | ||
2210 | if (val > 1) | |
2211 | return -EINVAL; | |
2212 | ||
2213 | /* Setting DC mode is not supported for all chips/channels */ | |
2214 | if (data->REG_PWM_MODE[nr] == 0) { | |
2215 | if (val) | |
2216 | return -EINVAL; | |
2217 | return count; | |
2218 | } | |
2219 | ||
2220 | mutex_lock(&data->update_lock); | |
2221 | data->pwm_mode[nr] = val; | |
2222 | reg = nct6775_read_value(data, data->REG_PWM_MODE[nr]); | |
2223 | reg &= ~data->PWM_MODE_MASK[nr]; | |
2224 | if (val) | |
2225 | reg |= data->PWM_MODE_MASK[nr]; | |
2226 | nct6775_write_value(data, data->REG_PWM_MODE[nr], reg); | |
2227 | mutex_unlock(&data->update_lock); | |
2228 | return count; | |
2229 | } | |
2230 | ||
2231 | static ssize_t | |
2232 | show_pwm(struct device *dev, struct device_attribute *attr, char *buf) | |
2233 | { | |
2234 | struct nct6775_data *data = nct6775_update_device(dev); | |
2235 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2236 | int nr = sattr->nr; | |
2237 | int index = sattr->index; | |
2238 | int pwm; | |
2239 | ||
2240 | /* | |
2241 | * For automatic fan control modes, show current pwm readings. | |
2242 | * Otherwise, show the configured value. | |
2243 | */ | |
2244 | if (index == 0 && data->pwm_enable[nr] > manual) | |
2245 | pwm = nct6775_read_value(data, data->REG_PWM_READ[nr]); | |
2246 | else | |
2247 | pwm = data->pwm[index][nr]; | |
2248 | ||
2249 | return sprintf(buf, "%d\n", pwm); | |
2250 | } | |
2251 | ||
2252 | static ssize_t | |
2253 | store_pwm(struct device *dev, struct device_attribute *attr, const char *buf, | |
2254 | size_t count) | |
2255 | { | |
2256 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2257 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2258 | int nr = sattr->nr; | |
2259 | int index = sattr->index; | |
2260 | unsigned long val; | |
bbd8decd GR |
2261 | int minval[7] = { 0, 1, 1, data->pwm[2][nr], 0, 0, 0 }; |
2262 | int maxval[7] | |
2263 | = { 255, 255, data->pwm[3][nr] ? : 255, 255, 255, 255, 255 }; | |
77eb5b37 | 2264 | int err; |
cdcaeceb | 2265 | u8 reg; |
77eb5b37 GR |
2266 | |
2267 | err = kstrtoul(buf, 10, &val); | |
2268 | if (err < 0) | |
2269 | return err; | |
cdcaeceb | 2270 | val = clamp_val(val, minval[index], maxval[index]); |
77eb5b37 GR |
2271 | |
2272 | mutex_lock(&data->update_lock); | |
2273 | data->pwm[index][nr] = val; | |
2274 | nct6775_write_value(data, data->REG_PWM[index][nr], val); | |
cdcaeceb GR |
2275 | if (index == 2) { /* floor: disable if val == 0 */ |
2276 | reg = nct6775_read_value(data, data->REG_TEMP_SEL[nr]); | |
2277 | reg &= 0x7f; | |
2278 | if (val) | |
2279 | reg |= 0x80; | |
2280 | nct6775_write_value(data, data->REG_TEMP_SEL[nr], reg); | |
2281 | } | |
77eb5b37 GR |
2282 | mutex_unlock(&data->update_lock); |
2283 | return count; | |
2284 | } | |
2285 | ||
cdcaeceb GR |
2286 | /* Returns 0 if OK, -EINVAL otherwise */ |
2287 | static int check_trip_points(struct nct6775_data *data, int nr) | |
2288 | { | |
2289 | int i; | |
2290 | ||
2291 | for (i = 0; i < data->auto_pwm_num - 1; i++) { | |
2292 | if (data->auto_temp[nr][i] > data->auto_temp[nr][i + 1]) | |
2293 | return -EINVAL; | |
2294 | } | |
2295 | for (i = 0; i < data->auto_pwm_num - 1; i++) { | |
2296 | if (data->auto_pwm[nr][i] > data->auto_pwm[nr][i + 1]) | |
2297 | return -EINVAL; | |
2298 | } | |
2299 | /* validate critical temperature and pwm if enabled (pwm > 0) */ | |
2300 | if (data->auto_pwm[nr][data->auto_pwm_num]) { | |
2301 | if (data->auto_temp[nr][data->auto_pwm_num - 1] > | |
2302 | data->auto_temp[nr][data->auto_pwm_num] || | |
2303 | data->auto_pwm[nr][data->auto_pwm_num - 1] > | |
2304 | data->auto_pwm[nr][data->auto_pwm_num]) | |
2305 | return -EINVAL; | |
2306 | } | |
2307 | return 0; | |
2308 | } | |
2309 | ||
2310 | static void pwm_update_registers(struct nct6775_data *data, int nr) | |
2311 | { | |
2312 | u8 reg; | |
2313 | ||
2314 | switch (data->pwm_enable[nr]) { | |
2315 | case off: | |
2316 | case manual: | |
2317 | break; | |
2318 | case speed_cruise: | |
2319 | reg = nct6775_read_value(data, data->REG_FAN_MODE[nr]); | |
2320 | reg = (reg & ~data->tolerance_mask) | | |
2321 | (data->target_speed_tolerance[nr] & data->tolerance_mask); | |
2322 | nct6775_write_value(data, data->REG_FAN_MODE[nr], reg); | |
2323 | nct6775_write_value(data, data->REG_TARGET[nr], | |
2324 | data->target_speed[nr] & 0xff); | |
2325 | if (data->REG_TOLERANCE_H) { | |
2326 | reg = (data->target_speed[nr] >> 8) & 0x0f; | |
2327 | reg |= (data->target_speed_tolerance[nr] & 0x38) << 1; | |
2328 | nct6775_write_value(data, | |
2329 | data->REG_TOLERANCE_H[nr], | |
2330 | reg); | |
2331 | } | |
2332 | break; | |
2333 | case thermal_cruise: | |
2334 | nct6775_write_value(data, data->REG_TARGET[nr], | |
2335 | data->target_temp[nr]); | |
2336 | /* intentional */ | |
2337 | default: | |
2338 | reg = nct6775_read_value(data, data->REG_FAN_MODE[nr]); | |
2339 | reg = (reg & ~data->tolerance_mask) | | |
2340 | data->temp_tolerance[0][nr]; | |
2341 | nct6775_write_value(data, data->REG_FAN_MODE[nr], reg); | |
2342 | break; | |
2343 | } | |
2344 | } | |
2345 | ||
77eb5b37 GR |
2346 | static ssize_t |
2347 | show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf) | |
2348 | { | |
2349 | struct nct6775_data *data = nct6775_update_device(dev); | |
2350 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2351 | ||
2352 | return sprintf(buf, "%d\n", data->pwm_enable[sattr->index]); | |
2353 | } | |
2354 | ||
2355 | static ssize_t | |
2356 | store_pwm_enable(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 | u16 reg; | |
2365 | ||
2366 | err = kstrtoul(buf, 10, &val); | |
2367 | if (err < 0) | |
2368 | return err; | |
2369 | ||
2370 | if (val > sf4) | |
2371 | return -EINVAL; | |
2372 | ||
2373 | if (val == sf3 && data->kind != nct6775) | |
2374 | return -EINVAL; | |
2375 | ||
cdcaeceb GR |
2376 | if (val == sf4 && check_trip_points(data, nr)) { |
2377 | dev_err(dev, "Inconsistent trip points, not switching to SmartFan IV mode\n"); | |
2378 | dev_err(dev, "Adjust trip points and try again\n"); | |
2379 | return -EINVAL; | |
2380 | } | |
2381 | ||
77eb5b37 GR |
2382 | mutex_lock(&data->update_lock); |
2383 | data->pwm_enable[nr] = val; | |
2384 | if (val == off) { | |
2385 | /* | |
2386 | * turn off pwm control: select manual mode, set pwm to maximum | |
2387 | */ | |
2388 | data->pwm[0][nr] = 255; | |
2389 | nct6775_write_value(data, data->REG_PWM[0][nr], 255); | |
2390 | } | |
cdcaeceb | 2391 | pwm_update_registers(data, nr); |
77eb5b37 GR |
2392 | reg = nct6775_read_value(data, data->REG_FAN_MODE[nr]); |
2393 | reg &= 0x0f; | |
2394 | reg |= pwm_enable_to_reg(val) << 4; | |
2395 | nct6775_write_value(data, data->REG_FAN_MODE[nr], reg); | |
2396 | mutex_unlock(&data->update_lock); | |
2397 | return count; | |
2398 | } | |
2399 | ||
cdcaeceb | 2400 | static ssize_t |
bbd8decd | 2401 | show_pwm_temp_sel_common(struct nct6775_data *data, char *buf, int src) |
cdcaeceb | 2402 | { |
bbd8decd | 2403 | int i, sel = 0; |
cdcaeceb GR |
2404 | |
2405 | for (i = 0; i < NUM_TEMP; i++) { | |
2406 | if (!(data->have_temp & (1 << i))) | |
2407 | continue; | |
2408 | if (src == data->temp_src[i]) { | |
2409 | sel = i + 1; | |
2410 | break; | |
2411 | } | |
2412 | } | |
2413 | ||
2414 | return sprintf(buf, "%d\n", sel); | |
2415 | } | |
2416 | ||
bbd8decd GR |
2417 | static ssize_t |
2418 | show_pwm_temp_sel(struct device *dev, struct device_attribute *attr, char *buf) | |
2419 | { | |
2420 | struct nct6775_data *data = nct6775_update_device(dev); | |
2421 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2422 | int index = sattr->index; | |
2423 | ||
2424 | return show_pwm_temp_sel_common(data, buf, data->pwm_temp_sel[index]); | |
2425 | } | |
2426 | ||
cdcaeceb GR |
2427 | static ssize_t |
2428 | store_pwm_temp_sel(struct device *dev, struct device_attribute *attr, | |
2429 | const char *buf, size_t count) | |
2430 | { | |
2431 | struct nct6775_data *data = nct6775_update_device(dev); | |
2432 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2433 | int nr = sattr->index; | |
2434 | unsigned long val; | |
2435 | int err, reg, src; | |
2436 | ||
2437 | err = kstrtoul(buf, 10, &val); | |
2438 | if (err < 0) | |
2439 | return err; | |
2440 | if (val == 0 || val > NUM_TEMP) | |
2441 | return -EINVAL; | |
2442 | if (!(data->have_temp & (1 << (val - 1))) || !data->temp_src[val - 1]) | |
2443 | return -EINVAL; | |
2444 | ||
2445 | mutex_lock(&data->update_lock); | |
2446 | src = data->temp_src[val - 1]; | |
2447 | data->pwm_temp_sel[nr] = src; | |
2448 | reg = nct6775_read_value(data, data->REG_TEMP_SEL[nr]); | |
2449 | reg &= 0xe0; | |
2450 | reg |= src; | |
2451 | nct6775_write_value(data, data->REG_TEMP_SEL[nr], reg); | |
2452 | mutex_unlock(&data->update_lock); | |
2453 | ||
2454 | return count; | |
2455 | } | |
2456 | ||
bbd8decd GR |
2457 | static ssize_t |
2458 | show_pwm_weight_temp_sel(struct device *dev, struct device_attribute *attr, | |
2459 | char *buf) | |
2460 | { | |
2461 | struct nct6775_data *data = nct6775_update_device(dev); | |
2462 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2463 | int index = sattr->index; | |
2464 | ||
2465 | return show_pwm_temp_sel_common(data, buf, | |
2466 | data->pwm_weight_temp_sel[index]); | |
2467 | } | |
2468 | ||
2469 | static ssize_t | |
2470 | store_pwm_weight_temp_sel(struct device *dev, struct device_attribute *attr, | |
2471 | const char *buf, size_t count) | |
2472 | { | |
2473 | struct nct6775_data *data = nct6775_update_device(dev); | |
2474 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2475 | int nr = sattr->index; | |
2476 | unsigned long val; | |
2477 | int err, reg, src; | |
2478 | ||
2479 | err = kstrtoul(buf, 10, &val); | |
2480 | if (err < 0) | |
2481 | return err; | |
2482 | if (val > NUM_TEMP) | |
2483 | return -EINVAL; | |
2484 | if (val && (!(data->have_temp & (1 << (val - 1))) || | |
2485 | !data->temp_src[val - 1])) | |
2486 | return -EINVAL; | |
2487 | ||
2488 | mutex_lock(&data->update_lock); | |
2489 | if (val) { | |
2490 | src = data->temp_src[val - 1]; | |
2491 | data->pwm_weight_temp_sel[nr] = src; | |
2492 | reg = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[nr]); | |
2493 | reg &= 0xe0; | |
2494 | reg |= (src | 0x80); | |
2495 | nct6775_write_value(data, data->REG_WEIGHT_TEMP_SEL[nr], reg); | |
2496 | } else { | |
2497 | data->pwm_weight_temp_sel[nr] = 0; | |
2498 | reg = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[nr]); | |
2499 | reg &= 0x7f; | |
2500 | nct6775_write_value(data, data->REG_WEIGHT_TEMP_SEL[nr], reg); | |
2501 | } | |
2502 | mutex_unlock(&data->update_lock); | |
2503 | ||
2504 | return count; | |
2505 | } | |
2506 | ||
cdcaeceb GR |
2507 | static ssize_t |
2508 | show_target_temp(struct device *dev, struct device_attribute *attr, char *buf) | |
2509 | { | |
2510 | struct nct6775_data *data = nct6775_update_device(dev); | |
2511 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2512 | ||
2513 | return sprintf(buf, "%d\n", data->target_temp[sattr->index] * 1000); | |
2514 | } | |
2515 | ||
2516 | static ssize_t | |
2517 | store_target_temp(struct device *dev, struct device_attribute *attr, | |
2518 | const char *buf, size_t count) | |
2519 | { | |
2520 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2521 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2522 | int nr = sattr->index; | |
2523 | unsigned long val; | |
2524 | int err; | |
2525 | ||
2526 | err = kstrtoul(buf, 10, &val); | |
2527 | if (err < 0) | |
2528 | return err; | |
2529 | ||
2530 | val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, | |
2531 | data->target_temp_mask); | |
2532 | ||
2533 | mutex_lock(&data->update_lock); | |
2534 | data->target_temp[nr] = val; | |
2535 | pwm_update_registers(data, nr); | |
2536 | mutex_unlock(&data->update_lock); | |
2537 | return count; | |
2538 | } | |
2539 | ||
2540 | static ssize_t | |
2541 | show_target_speed(struct device *dev, struct device_attribute *attr, char *buf) | |
2542 | { | |
2543 | struct nct6775_data *data = nct6775_update_device(dev); | |
2544 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2545 | int nr = sattr->index; | |
2546 | ||
2547 | return sprintf(buf, "%d\n", | |
2548 | fan_from_reg16(data->target_speed[nr], | |
2549 | data->fan_div[nr])); | |
2550 | } | |
2551 | ||
2552 | static ssize_t | |
2553 | store_target_speed(struct device *dev, struct device_attribute *attr, | |
2554 | const char *buf, size_t count) | |
2555 | { | |
2556 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2557 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2558 | int nr = sattr->index; | |
2559 | unsigned long val; | |
2560 | int err; | |
2561 | u16 speed; | |
2562 | ||
2563 | err = kstrtoul(buf, 10, &val); | |
2564 | if (err < 0) | |
2565 | return err; | |
2566 | ||
2567 | val = clamp_val(val, 0, 1350000U); | |
2568 | speed = fan_to_reg(val, data->fan_div[nr]); | |
2569 | ||
2570 | mutex_lock(&data->update_lock); | |
2571 | data->target_speed[nr] = speed; | |
2572 | pwm_update_registers(data, nr); | |
2573 | mutex_unlock(&data->update_lock); | |
2574 | return count; | |
2575 | } | |
2576 | ||
2577 | static ssize_t | |
2578 | show_temp_tolerance(struct device *dev, struct device_attribute *attr, | |
2579 | char *buf) | |
2580 | { | |
2581 | struct nct6775_data *data = nct6775_update_device(dev); | |
2582 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2583 | int nr = sattr->nr; | |
2584 | int index = sattr->index; | |
2585 | ||
2586 | return sprintf(buf, "%d\n", data->temp_tolerance[index][nr] * 1000); | |
2587 | } | |
2588 | ||
2589 | static ssize_t | |
2590 | store_temp_tolerance(struct device *dev, struct device_attribute *attr, | |
2591 | const char *buf, size_t count) | |
2592 | { | |
2593 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2594 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2595 | int nr = sattr->nr; | |
2596 | int index = sattr->index; | |
2597 | unsigned long val; | |
2598 | int err; | |
2599 | ||
2600 | err = kstrtoul(buf, 10, &val); | |
2601 | if (err < 0) | |
2602 | return err; | |
2603 | ||
2604 | /* Limit tolerance as needed */ | |
2605 | val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, data->tolerance_mask); | |
2606 | ||
2607 | mutex_lock(&data->update_lock); | |
2608 | data->temp_tolerance[index][nr] = val; | |
2609 | if (index) | |
2610 | pwm_update_registers(data, nr); | |
2611 | else | |
2612 | nct6775_write_value(data, | |
2613 | data->REG_CRITICAL_TEMP_TOLERANCE[nr], | |
2614 | val); | |
2615 | mutex_unlock(&data->update_lock); | |
2616 | return count; | |
2617 | } | |
2618 | ||
2619 | /* | |
2620 | * Fan speed tolerance is a tricky beast, since the associated register is | |
2621 | * a tick counter, but the value is reported and configured as rpm. | |
2622 | * Compute resulting low and high rpm values and report the difference. | |
2623 | */ | |
2624 | static ssize_t | |
2625 | show_speed_tolerance(struct device *dev, struct device_attribute *attr, | |
2626 | char *buf) | |
2627 | { | |
2628 | struct nct6775_data *data = nct6775_update_device(dev); | |
2629 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2630 | int nr = sattr->index; | |
2631 | int low = data->target_speed[nr] - data->target_speed_tolerance[nr]; | |
2632 | int high = data->target_speed[nr] + data->target_speed_tolerance[nr]; | |
2633 | int tolerance; | |
2634 | ||
2635 | if (low <= 0) | |
2636 | low = 1; | |
2637 | if (high > 0xffff) | |
2638 | high = 0xffff; | |
2639 | if (high < low) | |
2640 | high = low; | |
2641 | ||
2642 | tolerance = (fan_from_reg16(low, data->fan_div[nr]) | |
2643 | - fan_from_reg16(high, data->fan_div[nr])) / 2; | |
2644 | ||
2645 | return sprintf(buf, "%d\n", tolerance); | |
2646 | } | |
2647 | ||
2648 | static ssize_t | |
2649 | store_speed_tolerance(struct device *dev, struct device_attribute *attr, | |
2650 | const char *buf, size_t count) | |
2651 | { | |
2652 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2653 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2654 | int nr = sattr->index; | |
2655 | unsigned long val; | |
2656 | int err; | |
2657 | int low, high; | |
2658 | ||
2659 | err = kstrtoul(buf, 10, &val); | |
2660 | if (err < 0) | |
2661 | return err; | |
2662 | ||
2663 | high = fan_from_reg16(data->target_speed[nr], | |
2664 | data->fan_div[nr]) + val; | |
2665 | low = fan_from_reg16(data->target_speed[nr], | |
2666 | data->fan_div[nr]) - val; | |
2667 | if (low <= 0) | |
2668 | low = 1; | |
2669 | if (high < low) | |
2670 | high = low; | |
2671 | ||
2672 | val = (fan_to_reg(low, data->fan_div[nr]) - | |
2673 | fan_to_reg(high, data->fan_div[nr])) / 2; | |
2674 | ||
2675 | /* Limit tolerance as needed */ | |
2676 | val = clamp_val(val, 0, data->speed_tolerance_limit); | |
2677 | ||
2678 | mutex_lock(&data->update_lock); | |
2679 | data->target_speed_tolerance[nr] = val; | |
2680 | pwm_update_registers(data, nr); | |
2681 | mutex_unlock(&data->update_lock); | |
2682 | return count; | |
2683 | } | |
2684 | ||
f73cf632 GR |
2685 | SENSOR_TEMPLATE_2(pwm, "pwm%d", S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0, 0); |
2686 | SENSOR_TEMPLATE(pwm_mode, "pwm%d_mode", S_IWUSR | S_IRUGO, show_pwm_mode, | |
2687 | store_pwm_mode, 0); | |
2688 | SENSOR_TEMPLATE(pwm_enable, "pwm%d_enable", S_IWUSR | S_IRUGO, show_pwm_enable, | |
2689 | store_pwm_enable, 0); | |
2690 | SENSOR_TEMPLATE(pwm_temp_sel, "pwm%d_temp_sel", S_IWUSR | S_IRUGO, | |
2691 | show_pwm_temp_sel, store_pwm_temp_sel, 0); | |
2692 | SENSOR_TEMPLATE(pwm_target_temp, "pwm%d_target_temp", S_IWUSR | S_IRUGO, | |
2693 | show_target_temp, store_target_temp, 0); | |
2694 | SENSOR_TEMPLATE(fan_target, "fan%d_target", S_IWUSR | S_IRUGO, | |
2695 | show_target_speed, store_target_speed, 0); | |
2696 | SENSOR_TEMPLATE(fan_tolerance, "fan%d_tolerance", S_IWUSR | S_IRUGO, | |
2697 | show_speed_tolerance, store_speed_tolerance, 0); | |
cdcaeceb GR |
2698 | |
2699 | /* Smart Fan registers */ | |
2700 | ||
bbd8decd GR |
2701 | static ssize_t |
2702 | show_weight_temp(struct device *dev, struct device_attribute *attr, char *buf) | |
2703 | { | |
2704 | struct nct6775_data *data = nct6775_update_device(dev); | |
2705 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2706 | int nr = sattr->nr; | |
2707 | int index = sattr->index; | |
2708 | ||
2709 | return sprintf(buf, "%d\n", data->weight_temp[index][nr] * 1000); | |
2710 | } | |
2711 | ||
2712 | static ssize_t | |
2713 | store_weight_temp(struct device *dev, struct device_attribute *attr, | |
2714 | const char *buf, size_t count) | |
2715 | { | |
2716 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2717 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2718 | int nr = sattr->nr; | |
2719 | int index = sattr->index; | |
2720 | unsigned long val; | |
2721 | int err; | |
2722 | ||
2723 | err = kstrtoul(buf, 10, &val); | |
2724 | if (err < 0) | |
2725 | return err; | |
2726 | ||
2727 | val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 255); | |
2728 | ||
2729 | mutex_lock(&data->update_lock); | |
2730 | data->weight_temp[index][nr] = val; | |
2731 | nct6775_write_value(data, data->REG_WEIGHT_TEMP[index][nr], val); | |
2732 | mutex_unlock(&data->update_lock); | |
2733 | return count; | |
2734 | } | |
2735 | ||
f73cf632 GR |
2736 | SENSOR_TEMPLATE(pwm_weight_temp_sel, "pwm%d_weight_temp_sel", S_IWUSR | S_IRUGO, |
2737 | show_pwm_weight_temp_sel, store_pwm_weight_temp_sel, 0); | |
2738 | SENSOR_TEMPLATE_2(pwm_weight_temp_step, "pwm%d_weight_temp_step", | |
2739 | S_IWUSR | S_IRUGO, show_weight_temp, store_weight_temp, 0, 0); | |
2740 | SENSOR_TEMPLATE_2(pwm_weight_temp_step_tol, "pwm%d_weight_temp_step_tol", | |
2741 | S_IWUSR | S_IRUGO, show_weight_temp, store_weight_temp, 0, 1); | |
2742 | SENSOR_TEMPLATE_2(pwm_weight_temp_step_base, "pwm%d_weight_temp_step_base", | |
2743 | S_IWUSR | S_IRUGO, show_weight_temp, store_weight_temp, 0, 2); | |
2744 | SENSOR_TEMPLATE_2(pwm_weight_duty_step, "pwm%d_weight_duty_step", | |
2745 | S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0, 5); | |
2746 | SENSOR_TEMPLATE_2(pwm_weight_duty_base, "pwm%d_weight_duty_base", | |
2747 | S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0, 6); | |
bbd8decd | 2748 | |
cdcaeceb GR |
2749 | static ssize_t |
2750 | show_fan_time(struct device *dev, struct device_attribute *attr, char *buf) | |
2751 | { | |
2752 | struct nct6775_data *data = nct6775_update_device(dev); | |
2753 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2754 | int nr = sattr->nr; | |
2755 | int index = sattr->index; | |
2756 | ||
2757 | return sprintf(buf, "%d\n", | |
2758 | step_time_from_reg(data->fan_time[index][nr], | |
2759 | data->pwm_mode[nr])); | |
2760 | } | |
2761 | ||
2762 | static ssize_t | |
2763 | store_fan_time(struct device *dev, struct device_attribute *attr, | |
2764 | const char *buf, size_t count) | |
2765 | { | |
2766 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2767 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2768 | int nr = sattr->nr; | |
2769 | int index = sattr->index; | |
2770 | unsigned long val; | |
2771 | int err; | |
2772 | ||
2773 | err = kstrtoul(buf, 10, &val); | |
2774 | if (err < 0) | |
2775 | return err; | |
2776 | ||
2777 | val = step_time_to_reg(val, data->pwm_mode[nr]); | |
2778 | mutex_lock(&data->update_lock); | |
2779 | data->fan_time[index][nr] = val; | |
2780 | nct6775_write_value(data, data->REG_FAN_TIME[index][nr], val); | |
2781 | mutex_unlock(&data->update_lock); | |
2782 | return count; | |
2783 | } | |
2784 | ||
cdcaeceb GR |
2785 | static ssize_t |
2786 | show_auto_pwm(struct device *dev, struct device_attribute *attr, char *buf) | |
2787 | { | |
2788 | struct nct6775_data *data = nct6775_update_device(dev); | |
2789 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2790 | ||
2791 | return sprintf(buf, "%d\n", data->auto_pwm[sattr->nr][sattr->index]); | |
2792 | } | |
2793 | ||
2794 | static ssize_t | |
2795 | store_auto_pwm(struct device *dev, struct device_attribute *attr, | |
2796 | const char *buf, size_t count) | |
2797 | { | |
2798 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2799 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2800 | int nr = sattr->nr; | |
2801 | int point = sattr->index; | |
2802 | unsigned long val; | |
2803 | int err; | |
2804 | u8 reg; | |
2805 | ||
2806 | err = kstrtoul(buf, 10, &val); | |
2807 | if (err < 0) | |
2808 | return err; | |
2809 | if (val > 255) | |
2810 | return -EINVAL; | |
2811 | ||
2812 | if (point == data->auto_pwm_num) { | |
2813 | if (data->kind != nct6775 && !val) | |
2814 | return -EINVAL; | |
2815 | if (data->kind != nct6779 && val) | |
2816 | val = 0xff; | |
2817 | } | |
2818 | ||
2819 | mutex_lock(&data->update_lock); | |
2820 | data->auto_pwm[nr][point] = val; | |
2821 | if (point < data->auto_pwm_num) { | |
2822 | nct6775_write_value(data, | |
2823 | NCT6775_AUTO_PWM(data, nr, point), | |
2824 | data->auto_pwm[nr][point]); | |
2825 | } else { | |
2826 | switch (data->kind) { | |
2827 | case nct6775: | |
2828 | /* disable if needed (pwm == 0) */ | |
2829 | reg = nct6775_read_value(data, | |
2830 | NCT6775_REG_CRITICAL_ENAB[nr]); | |
2831 | if (val) | |
2832 | reg |= 0x02; | |
2833 | else | |
2834 | reg &= ~0x02; | |
2835 | nct6775_write_value(data, NCT6775_REG_CRITICAL_ENAB[nr], | |
2836 | reg); | |
2837 | break; | |
2838 | case nct6776: | |
2839 | break; /* always enabled, nothing to do */ | |
6c009501 | 2840 | case nct6106: |
cdcaeceb | 2841 | case nct6779: |
578ab5f0 | 2842 | case nct6791: |
8aefb93f | 2843 | case nct6792: |
cd1faefa | 2844 | case nct6793: |
6c009501 | 2845 | nct6775_write_value(data, data->REG_CRITICAL_PWM[nr], |
cdcaeceb GR |
2846 | val); |
2847 | reg = nct6775_read_value(data, | |
6c009501 | 2848 | data->REG_CRITICAL_PWM_ENABLE[nr]); |
cdcaeceb | 2849 | if (val == 255) |
6c009501 | 2850 | reg &= ~data->CRITICAL_PWM_ENABLE_MASK; |
cdcaeceb | 2851 | else |
6c009501 | 2852 | reg |= data->CRITICAL_PWM_ENABLE_MASK; |
cdcaeceb | 2853 | nct6775_write_value(data, |
6c009501 | 2854 | data->REG_CRITICAL_PWM_ENABLE[nr], |
cdcaeceb GR |
2855 | reg); |
2856 | break; | |
2857 | } | |
2858 | } | |
2859 | mutex_unlock(&data->update_lock); | |
2860 | return count; | |
2861 | } | |
2862 | ||
2863 | static ssize_t | |
2864 | show_auto_temp(struct device *dev, struct device_attribute *attr, char *buf) | |
2865 | { | |
2866 | struct nct6775_data *data = nct6775_update_device(dev); | |
2867 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2868 | int nr = sattr->nr; | |
2869 | int point = sattr->index; | |
2870 | ||
2871 | /* | |
2872 | * We don't know for sure if the temperature is signed or unsigned. | |
2873 | * Assume it is unsigned. | |
2874 | */ | |
2875 | return sprintf(buf, "%d\n", data->auto_temp[nr][point] * 1000); | |
2876 | } | |
2877 | ||
2878 | static ssize_t | |
2879 | store_auto_temp(struct device *dev, struct device_attribute *attr, | |
2880 | const char *buf, size_t count) | |
2881 | { | |
2882 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2883 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2884 | int nr = sattr->nr; | |
2885 | int point = sattr->index; | |
2886 | unsigned long val; | |
2887 | int err; | |
2888 | ||
2889 | err = kstrtoul(buf, 10, &val); | |
2890 | if (err) | |
2891 | return err; | |
2892 | if (val > 255000) | |
2893 | return -EINVAL; | |
2894 | ||
2895 | mutex_lock(&data->update_lock); | |
2896 | data->auto_temp[nr][point] = DIV_ROUND_CLOSEST(val, 1000); | |
2897 | if (point < data->auto_pwm_num) { | |
2898 | nct6775_write_value(data, | |
2899 | NCT6775_AUTO_TEMP(data, nr, point), | |
2900 | data->auto_temp[nr][point]); | |
2901 | } else { | |
2902 | nct6775_write_value(data, data->REG_CRITICAL_TEMP[nr], | |
2903 | data->auto_temp[nr][point]); | |
2904 | } | |
2905 | mutex_unlock(&data->update_lock); | |
2906 | return count; | |
2907 | } | |
2908 | ||
f73cf632 GR |
2909 | static umode_t nct6775_pwm_is_visible(struct kobject *kobj, |
2910 | struct attribute *attr, int index) | |
2911 | { | |
2912 | struct device *dev = container_of(kobj, struct device, kobj); | |
2913 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2914 | int pwm = index / 36; /* pwm index */ | |
2915 | int nr = index % 36; /* attribute index */ | |
2916 | ||
2917 | if (!(data->has_pwm & (1 << pwm))) | |
2918 | return 0; | |
2919 | ||
cc76dee1 GR |
2920 | if ((nr >= 14 && nr <= 18) || nr == 21) /* weight */ |
2921 | if (!data->REG_WEIGHT_TEMP_SEL[pwm]) | |
2922 | return 0; | |
f73cf632 GR |
2923 | if (nr == 19 && data->REG_PWM[3] == NULL) /* pwm_max */ |
2924 | return 0; | |
2925 | if (nr == 20 && data->REG_PWM[4] == NULL) /* pwm_step */ | |
2926 | return 0; | |
2927 | if (nr == 21 && data->REG_PWM[6] == NULL) /* weight_duty_base */ | |
2928 | return 0; | |
2929 | ||
2930 | if (nr >= 22 && nr <= 35) { /* auto point */ | |
2931 | int api = (nr - 22) / 2; /* auto point index */ | |
2932 | ||
2933 | if (api > data->auto_pwm_num) | |
2934 | return 0; | |
2935 | } | |
2936 | return attr->mode; | |
2937 | } | |
2938 | ||
2939 | SENSOR_TEMPLATE_2(pwm_stop_time, "pwm%d_stop_time", S_IWUSR | S_IRUGO, | |
2940 | show_fan_time, store_fan_time, 0, 0); | |
2941 | SENSOR_TEMPLATE_2(pwm_step_up_time, "pwm%d_step_up_time", S_IWUSR | S_IRUGO, | |
2942 | show_fan_time, store_fan_time, 0, 1); | |
2943 | SENSOR_TEMPLATE_2(pwm_step_down_time, "pwm%d_step_down_time", S_IWUSR | S_IRUGO, | |
2944 | show_fan_time, store_fan_time, 0, 2); | |
2945 | SENSOR_TEMPLATE_2(pwm_start, "pwm%d_start", S_IWUSR | S_IRUGO, show_pwm, | |
2946 | store_pwm, 0, 1); | |
2947 | SENSOR_TEMPLATE_2(pwm_floor, "pwm%d_floor", S_IWUSR | S_IRUGO, show_pwm, | |
2948 | store_pwm, 0, 2); | |
2949 | SENSOR_TEMPLATE_2(pwm_temp_tolerance, "pwm%d_temp_tolerance", S_IWUSR | S_IRUGO, | |
2950 | show_temp_tolerance, store_temp_tolerance, 0, 0); | |
2951 | SENSOR_TEMPLATE_2(pwm_crit_temp_tolerance, "pwm%d_crit_temp_tolerance", | |
2952 | S_IWUSR | S_IRUGO, show_temp_tolerance, store_temp_tolerance, | |
2953 | 0, 1); | |
2954 | ||
2955 | SENSOR_TEMPLATE_2(pwm_max, "pwm%d_max", S_IWUSR | S_IRUGO, show_pwm, store_pwm, | |
2956 | 0, 3); | |
2957 | ||
2958 | SENSOR_TEMPLATE_2(pwm_step, "pwm%d_step", S_IWUSR | S_IRUGO, show_pwm, | |
2959 | store_pwm, 0, 4); | |
2960 | ||
2961 | SENSOR_TEMPLATE_2(pwm_auto_point1_pwm, "pwm%d_auto_point1_pwm", | |
2962 | S_IWUSR | S_IRUGO, show_auto_pwm, store_auto_pwm, 0, 0); | |
2963 | SENSOR_TEMPLATE_2(pwm_auto_point1_temp, "pwm%d_auto_point1_temp", | |
2964 | S_IWUSR | S_IRUGO, show_auto_temp, store_auto_temp, 0, 0); | |
2965 | ||
2966 | SENSOR_TEMPLATE_2(pwm_auto_point2_pwm, "pwm%d_auto_point2_pwm", | |
2967 | S_IWUSR | S_IRUGO, show_auto_pwm, store_auto_pwm, 0, 1); | |
2968 | SENSOR_TEMPLATE_2(pwm_auto_point2_temp, "pwm%d_auto_point2_temp", | |
2969 | S_IWUSR | S_IRUGO, show_auto_temp, store_auto_temp, 0, 1); | |
2970 | ||
2971 | SENSOR_TEMPLATE_2(pwm_auto_point3_pwm, "pwm%d_auto_point3_pwm", | |
2972 | S_IWUSR | S_IRUGO, show_auto_pwm, store_auto_pwm, 0, 2); | |
2973 | SENSOR_TEMPLATE_2(pwm_auto_point3_temp, "pwm%d_auto_point3_temp", | |
2974 | S_IWUSR | S_IRUGO, show_auto_temp, store_auto_temp, 0, 2); | |
2975 | ||
2976 | SENSOR_TEMPLATE_2(pwm_auto_point4_pwm, "pwm%d_auto_point4_pwm", | |
2977 | S_IWUSR | S_IRUGO, show_auto_pwm, store_auto_pwm, 0, 3); | |
2978 | SENSOR_TEMPLATE_2(pwm_auto_point4_temp, "pwm%d_auto_point4_temp", | |
2979 | S_IWUSR | S_IRUGO, show_auto_temp, store_auto_temp, 0, 3); | |
2980 | ||
2981 | SENSOR_TEMPLATE_2(pwm_auto_point5_pwm, "pwm%d_auto_point5_pwm", | |
2982 | S_IWUSR | S_IRUGO, show_auto_pwm, store_auto_pwm, 0, 4); | |
2983 | SENSOR_TEMPLATE_2(pwm_auto_point5_temp, "pwm%d_auto_point5_temp", | |
2984 | S_IWUSR | S_IRUGO, show_auto_temp, store_auto_temp, 0, 4); | |
2985 | ||
2986 | SENSOR_TEMPLATE_2(pwm_auto_point6_pwm, "pwm%d_auto_point6_pwm", | |
2987 | S_IWUSR | S_IRUGO, show_auto_pwm, store_auto_pwm, 0, 5); | |
2988 | SENSOR_TEMPLATE_2(pwm_auto_point6_temp, "pwm%d_auto_point6_temp", | |
2989 | S_IWUSR | S_IRUGO, show_auto_temp, store_auto_temp, 0, 5); | |
2990 | ||
2991 | SENSOR_TEMPLATE_2(pwm_auto_point7_pwm, "pwm%d_auto_point7_pwm", | |
2992 | S_IWUSR | S_IRUGO, show_auto_pwm, store_auto_pwm, 0, 6); | |
2993 | SENSOR_TEMPLATE_2(pwm_auto_point7_temp, "pwm%d_auto_point7_temp", | |
2994 | S_IWUSR | S_IRUGO, show_auto_temp, store_auto_temp, 0, 6); | |
2995 | ||
cdcaeceb | 2996 | /* |
f73cf632 GR |
2997 | * nct6775_pwm_is_visible uses the index into the following array |
2998 | * to determine if attributes should be created or not. | |
2999 | * Any change in order or content must be matched. | |
cdcaeceb | 3000 | */ |
f73cf632 GR |
3001 | static struct sensor_device_template *nct6775_attributes_pwm_template[] = { |
3002 | &sensor_dev_template_pwm, | |
3003 | &sensor_dev_template_pwm_mode, | |
3004 | &sensor_dev_template_pwm_enable, | |
3005 | &sensor_dev_template_pwm_temp_sel, | |
3006 | &sensor_dev_template_pwm_temp_tolerance, | |
3007 | &sensor_dev_template_pwm_crit_temp_tolerance, | |
3008 | &sensor_dev_template_pwm_target_temp, | |
3009 | &sensor_dev_template_fan_target, | |
3010 | &sensor_dev_template_fan_tolerance, | |
3011 | &sensor_dev_template_pwm_stop_time, | |
3012 | &sensor_dev_template_pwm_step_up_time, | |
3013 | &sensor_dev_template_pwm_step_down_time, | |
3014 | &sensor_dev_template_pwm_start, | |
3015 | &sensor_dev_template_pwm_floor, | |
cc76dee1 | 3016 | &sensor_dev_template_pwm_weight_temp_sel, /* 14 */ |
f73cf632 GR |
3017 | &sensor_dev_template_pwm_weight_temp_step, |
3018 | &sensor_dev_template_pwm_weight_temp_step_tol, | |
3019 | &sensor_dev_template_pwm_weight_temp_step_base, | |
cc76dee1 | 3020 | &sensor_dev_template_pwm_weight_duty_step, /* 18 */ |
f73cf632 GR |
3021 | &sensor_dev_template_pwm_max, /* 19 */ |
3022 | &sensor_dev_template_pwm_step, /* 20 */ | |
3023 | &sensor_dev_template_pwm_weight_duty_base, /* 21 */ | |
3024 | &sensor_dev_template_pwm_auto_point1_pwm, /* 22 */ | |
3025 | &sensor_dev_template_pwm_auto_point1_temp, | |
3026 | &sensor_dev_template_pwm_auto_point2_pwm, | |
3027 | &sensor_dev_template_pwm_auto_point2_temp, | |
3028 | &sensor_dev_template_pwm_auto_point3_pwm, | |
3029 | &sensor_dev_template_pwm_auto_point3_temp, | |
3030 | &sensor_dev_template_pwm_auto_point4_pwm, | |
3031 | &sensor_dev_template_pwm_auto_point4_temp, | |
3032 | &sensor_dev_template_pwm_auto_point5_pwm, | |
3033 | &sensor_dev_template_pwm_auto_point5_temp, | |
3034 | &sensor_dev_template_pwm_auto_point6_pwm, | |
3035 | &sensor_dev_template_pwm_auto_point6_temp, | |
3036 | &sensor_dev_template_pwm_auto_point7_pwm, | |
3037 | &sensor_dev_template_pwm_auto_point7_temp, /* 35 */ | |
3038 | ||
3039 | NULL | |
3040 | }; | |
3041 | ||
3042 | static struct sensor_template_group nct6775_pwm_template_group = { | |
3043 | .templates = nct6775_attributes_pwm_template, | |
3044 | .is_visible = nct6775_pwm_is_visible, | |
3045 | .base = 1, | |
cdcaeceb GR |
3046 | }; |
3047 | ||
9de2e2e8 GR |
3048 | static ssize_t |
3049 | show_vid(struct device *dev, struct device_attribute *attr, char *buf) | |
3050 | { | |
3051 | struct nct6775_data *data = dev_get_drvdata(dev); | |
9cd892bc | 3052 | |
9de2e2e8 GR |
3053 | return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); |
3054 | } | |
3055 | ||
3056 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); | |
3057 | ||
a6bd5878 GR |
3058 | /* Case open detection */ |
3059 | ||
3060 | static ssize_t | |
3061 | clear_caseopen(struct device *dev, struct device_attribute *attr, | |
3062 | const char *buf, size_t count) | |
3063 | { | |
3064 | struct nct6775_data *data = dev_get_drvdata(dev); | |
a6bd5878 GR |
3065 | int nr = to_sensor_dev_attr(attr)->index - INTRUSION_ALARM_BASE; |
3066 | unsigned long val; | |
3067 | u8 reg; | |
3068 | int ret; | |
3069 | ||
3070 | if (kstrtoul(buf, 10, &val) || val != 0) | |
3071 | return -EINVAL; | |
3072 | ||
3073 | mutex_lock(&data->update_lock); | |
3074 | ||
3075 | /* | |
3076 | * Use CR registers to clear caseopen status. | |
3077 | * The CR registers are the same for all chips, and not all chips | |
3078 | * support clearing the caseopen status through "regular" registers. | |
3079 | */ | |
df612d5f | 3080 | ret = superio_enter(data->sioreg); |
a6bd5878 GR |
3081 | if (ret) { |
3082 | count = ret; | |
3083 | goto error; | |
3084 | } | |
3085 | ||
df612d5f GR |
3086 | superio_select(data->sioreg, NCT6775_LD_ACPI); |
3087 | reg = superio_inb(data->sioreg, NCT6775_REG_CR_CASEOPEN_CLR[nr]); | |
a6bd5878 | 3088 | reg |= NCT6775_CR_CASEOPEN_CLR_MASK[nr]; |
df612d5f | 3089 | superio_outb(data->sioreg, NCT6775_REG_CR_CASEOPEN_CLR[nr], reg); |
a6bd5878 | 3090 | reg &= ~NCT6775_CR_CASEOPEN_CLR_MASK[nr]; |
df612d5f GR |
3091 | superio_outb(data->sioreg, NCT6775_REG_CR_CASEOPEN_CLR[nr], reg); |
3092 | superio_exit(data->sioreg); | |
a6bd5878 GR |
3093 | |
3094 | data->valid = false; /* Force cache refresh */ | |
3095 | error: | |
3096 | mutex_unlock(&data->update_lock); | |
3097 | return count; | |
3098 | } | |
3099 | ||
f73cf632 GR |
3100 | static SENSOR_DEVICE_ATTR(intrusion0_alarm, S_IWUSR | S_IRUGO, show_alarm, |
3101 | clear_caseopen, INTRUSION_ALARM_BASE); | |
3102 | static SENSOR_DEVICE_ATTR(intrusion1_alarm, S_IWUSR | S_IRUGO, show_alarm, | |
3103 | clear_caseopen, INTRUSION_ALARM_BASE + 1); | |
30846993 GR |
3104 | static SENSOR_DEVICE_ATTR(intrusion0_beep, S_IWUSR | S_IRUGO, show_beep, |
3105 | store_beep, INTRUSION_ALARM_BASE); | |
3106 | static SENSOR_DEVICE_ATTR(intrusion1_beep, S_IWUSR | S_IRUGO, show_beep, | |
3107 | store_beep, INTRUSION_ALARM_BASE + 1); | |
3108 | static SENSOR_DEVICE_ATTR(beep_enable, S_IWUSR | S_IRUGO, show_beep, | |
3109 | store_beep, BEEP_ENABLE_BASE); | |
9de2e2e8 | 3110 | |
f73cf632 GR |
3111 | static umode_t nct6775_other_is_visible(struct kobject *kobj, |
3112 | struct attribute *attr, int index) | |
9de2e2e8 | 3113 | { |
f73cf632 | 3114 | struct device *dev = container_of(kobj, struct device, kobj); |
9de2e2e8 GR |
3115 | struct nct6775_data *data = dev_get_drvdata(dev); |
3116 | ||
615fc8cb | 3117 | if (index == 0 && !data->have_vid) |
f73cf632 | 3118 | return 0; |
77eb5b37 | 3119 | |
615fc8cb GR |
3120 | if (index == 1 || index == 2) { |
3121 | if (data->ALARM_BITS[INTRUSION_ALARM_BASE + index - 1] < 0) | |
f73cf632 GR |
3122 | return 0; |
3123 | } | |
cdcaeceb | 3124 | |
615fc8cb GR |
3125 | if (index == 3 || index == 4) { |
3126 | if (data->BEEP_BITS[INTRUSION_ALARM_BASE + index - 3] < 0) | |
30846993 GR |
3127 | return 0; |
3128 | } | |
3129 | ||
f73cf632 GR |
3130 | return attr->mode; |
3131 | } | |
cdcaeceb | 3132 | |
f73cf632 GR |
3133 | /* |
3134 | * nct6775_other_is_visible uses the index into the following array | |
3135 | * to determine if attributes should be created or not. | |
3136 | * Any change in order or content must be matched. | |
3137 | */ | |
3138 | static struct attribute *nct6775_attributes_other[] = { | |
615fc8cb GR |
3139 | &dev_attr_cpu0_vid.attr, /* 0 */ |
3140 | &sensor_dev_attr_intrusion0_alarm.dev_attr.attr, /* 1 */ | |
3141 | &sensor_dev_attr_intrusion1_alarm.dev_attr.attr, /* 2 */ | |
3142 | &sensor_dev_attr_intrusion0_beep.dev_attr.attr, /* 3 */ | |
3143 | &sensor_dev_attr_intrusion1_beep.dev_attr.attr, /* 4 */ | |
3144 | &sensor_dev_attr_beep_enable.dev_attr.attr, /* 5 */ | |
bbd8decd | 3145 | |
f73cf632 GR |
3146 | NULL |
3147 | }; | |
cdcaeceb | 3148 | |
f73cf632 GR |
3149 | static const struct attribute_group nct6775_group_other = { |
3150 | .attrs = nct6775_attributes_other, | |
3151 | .is_visible = nct6775_other_is_visible, | |
3152 | }; | |
9de2e2e8 | 3153 | |
9de2e2e8 GR |
3154 | static inline void nct6775_init_device(struct nct6775_data *data) |
3155 | { | |
aa136e5d GR |
3156 | int i; |
3157 | u8 tmp, diode; | |
9de2e2e8 GR |
3158 | |
3159 | /* Start monitoring if needed */ | |
3160 | if (data->REG_CONFIG) { | |
3161 | tmp = nct6775_read_value(data, data->REG_CONFIG); | |
3162 | if (!(tmp & 0x01)) | |
3163 | nct6775_write_value(data, data->REG_CONFIG, tmp | 0x01); | |
3164 | } | |
3165 | ||
aa136e5d GR |
3166 | /* Enable temperature sensors if needed */ |
3167 | for (i = 0; i < NUM_TEMP; i++) { | |
3168 | if (!(data->have_temp & (1 << i))) | |
3169 | continue; | |
3170 | if (!data->reg_temp_config[i]) | |
3171 | continue; | |
3172 | tmp = nct6775_read_value(data, data->reg_temp_config[i]); | |
3173 | if (tmp & 0x01) | |
3174 | nct6775_write_value(data, data->reg_temp_config[i], | |
3175 | tmp & 0xfe); | |
3176 | } | |
3177 | ||
9de2e2e8 GR |
3178 | /* Enable VBAT monitoring if needed */ |
3179 | tmp = nct6775_read_value(data, data->REG_VBAT); | |
3180 | if (!(tmp & 0x01)) | |
3181 | nct6775_write_value(data, data->REG_VBAT, tmp | 0x01); | |
aa136e5d GR |
3182 | |
3183 | diode = nct6775_read_value(data, data->REG_DIODE); | |
3184 | ||
3185 | for (i = 0; i < data->temp_fixed_num; i++) { | |
3186 | if (!(data->have_temp_fixed & (1 << i))) | |
3187 | continue; | |
6c009501 GR |
3188 | if ((tmp & (data->DIODE_MASK << i))) /* diode */ |
3189 | data->temp_type[i] | |
3190 | = 3 - ((diode >> i) & data->DIODE_MASK); | |
aa136e5d GR |
3191 | else /* thermistor */ |
3192 | data->temp_type[i] = 4; | |
3193 | } | |
9de2e2e8 GR |
3194 | } |
3195 | ||
f73cf632 | 3196 | static void |
df612d5f | 3197 | nct6775_check_fan_inputs(struct nct6775_data *data) |
1c65dc36 | 3198 | { |
578ab5f0 DB |
3199 | bool fan3pin, fan4pin, fan4min, fan5pin, fan6pin; |
3200 | bool pwm3pin, pwm4pin, pwm5pin, pwm6pin; | |
df612d5f GR |
3201 | int sioreg = data->sioreg; |
3202 | int regval; | |
1c65dc36 | 3203 | |
d2a14ea5 GR |
3204 | /* Store SIO_REG_ENABLE for use during resume */ |
3205 | superio_select(sioreg, NCT6775_LD_HWM); | |
3206 | data->sio_reg_enable = superio_inb(sioreg, SIO_REG_ENABLE); | |
3207 | ||
1c65dc36 GR |
3208 | /* fan4 and fan5 share some pins with the GPIO and serial flash */ |
3209 | if (data->kind == nct6775) { | |
df612d5f | 3210 | regval = superio_inb(sioreg, 0x2c); |
1c65dc36 GR |
3211 | |
3212 | fan3pin = regval & (1 << 6); | |
77eb5b37 | 3213 | pwm3pin = regval & (1 << 7); |
1c65dc36 GR |
3214 | |
3215 | /* On NCT6775, fan4 shares pins with the fdc interface */ | |
df612d5f | 3216 | fan4pin = !(superio_inb(sioreg, 0x2A) & 0x80); |
578ab5f0 DB |
3217 | fan4min = false; |
3218 | fan5pin = false; | |
3219 | fan6pin = false; | |
3220 | pwm4pin = false; | |
3221 | pwm5pin = false; | |
3222 | pwm6pin = false; | |
1c65dc36 | 3223 | } else if (data->kind == nct6776) { |
df612d5f | 3224 | bool gpok = superio_inb(sioreg, 0x27) & 0x80; |
25cdd99d GR |
3225 | const char *board_vendor, *board_name; |
3226 | ||
3227 | board_vendor = dmi_get_system_info(DMI_BOARD_VENDOR); | |
3228 | board_name = dmi_get_system_info(DMI_BOARD_NAME); | |
3229 | ||
3230 | if (board_name && board_vendor && | |
3231 | !strcmp(board_vendor, "ASRock")) { | |
3232 | /* | |
3233 | * Auxiliary fan monitoring is not enabled on ASRock | |
3234 | * Z77 Pro4-M if booted in UEFI Ultra-FastBoot mode. | |
3235 | * Observed with BIOS version 2.00. | |
3236 | */ | |
3237 | if (!strcmp(board_name, "Z77 Pro4-M")) { | |
3238 | if ((data->sio_reg_enable & 0xe0) != 0xe0) { | |
3239 | data->sio_reg_enable |= 0xe0; | |
3240 | superio_outb(sioreg, SIO_REG_ENABLE, | |
3241 | data->sio_reg_enable); | |
3242 | } | |
3243 | } | |
3244 | } | |
1c65dc36 | 3245 | |
d2a14ea5 | 3246 | if (data->sio_reg_enable & 0x80) |
1c65dc36 GR |
3247 | fan3pin = gpok; |
3248 | else | |
df612d5f | 3249 | fan3pin = !(superio_inb(sioreg, 0x24) & 0x40); |
1c65dc36 | 3250 | |
d2a14ea5 | 3251 | if (data->sio_reg_enable & 0x40) |
1c65dc36 GR |
3252 | fan4pin = gpok; |
3253 | else | |
df612d5f | 3254 | fan4pin = superio_inb(sioreg, 0x1C) & 0x01; |
1c65dc36 | 3255 | |
d2a14ea5 | 3256 | if (data->sio_reg_enable & 0x20) |
1c65dc36 GR |
3257 | fan5pin = gpok; |
3258 | else | |
df612d5f | 3259 | fan5pin = superio_inb(sioreg, 0x1C) & 0x02; |
1c65dc36 GR |
3260 | |
3261 | fan4min = fan4pin; | |
578ab5f0 | 3262 | fan6pin = false; |
77eb5b37 | 3263 | pwm3pin = fan3pin; |
578ab5f0 DB |
3264 | pwm4pin = false; |
3265 | pwm5pin = false; | |
3266 | pwm6pin = false; | |
6c009501 | 3267 | } else if (data->kind == nct6106) { |
df612d5f | 3268 | regval = superio_inb(sioreg, 0x24); |
6c009501 GR |
3269 | fan3pin = !(regval & 0x80); |
3270 | pwm3pin = regval & 0x08; | |
6c009501 GR |
3271 | |
3272 | fan4pin = false; | |
3273 | fan4min = false; | |
3274 | fan5pin = false; | |
578ab5f0 | 3275 | fan6pin = false; |
6c009501 GR |
3276 | pwm4pin = false; |
3277 | pwm5pin = false; | |
578ab5f0 | 3278 | pwm6pin = false; |
cd1faefa | 3279 | } else { /* NCT6779D, NCT6791D, NCT6792D, or NCT6793D */ |
df612d5f | 3280 | regval = superio_inb(sioreg, 0x1c); |
1c65dc36 GR |
3281 | |
3282 | fan3pin = !(regval & (1 << 5)); | |
3283 | fan4pin = !(regval & (1 << 6)); | |
3284 | fan5pin = !(regval & (1 << 7)); | |
3285 | ||
77eb5b37 GR |
3286 | pwm3pin = !(regval & (1 << 0)); |
3287 | pwm4pin = !(regval & (1 << 1)); | |
3288 | pwm5pin = !(regval & (1 << 2)); | |
3289 | ||
1c65dc36 | 3290 | fan4min = fan4pin; |
1c65dc36 | 3291 | |
cd1faefa GR |
3292 | if (data->kind == nct6791 || data->kind == nct6792 || |
3293 | data->kind == nct6793) { | |
df612d5f | 3294 | regval = superio_inb(sioreg, 0x2d); |
578ab5f0 DB |
3295 | fan6pin = (regval & (1 << 1)); |
3296 | pwm6pin = (regval & (1 << 0)); | |
3297 | } else { /* NCT6779D */ | |
3298 | fan6pin = false; | |
3299 | pwm6pin = false; | |
3300 | } | |
3301 | } | |
1c65dc36 | 3302 | |
578ab5f0 DB |
3303 | /* fan 1 and 2 (0x03) are always present */ |
3304 | data->has_fan = 0x03 | (fan3pin << 2) | (fan4pin << 3) | | |
3305 | (fan5pin << 4) | (fan6pin << 5); | |
3306 | data->has_fan_min = 0x03 | (fan3pin << 2) | (fan4min << 3) | | |
3307 | (fan5pin << 4); | |
3308 | data->has_pwm = 0x03 | (pwm3pin << 2) | (pwm4pin << 3) | | |
3309 | (pwm5pin << 4) | (pwm6pin << 5); | |
1c65dc36 GR |
3310 | } |
3311 | ||
8e9285b0 GR |
3312 | static void add_temp_sensors(struct nct6775_data *data, const u16 *regp, |
3313 | int *available, int *mask) | |
3314 | { | |
3315 | int i; | |
3316 | u8 src; | |
3317 | ||
3318 | for (i = 0; i < data->pwm_num && *available; i++) { | |
3319 | int index; | |
3320 | ||
3321 | if (!regp[i]) | |
3322 | continue; | |
3323 | src = nct6775_read_value(data, regp[i]); | |
3324 | src &= 0x1f; | |
3325 | if (!src || (*mask & (1 << src))) | |
3326 | continue; | |
3327 | if (src >= data->temp_label_num || | |
3328 | !strlen(data->temp_label[src])) | |
3329 | continue; | |
3330 | ||
3331 | index = __ffs(*available); | |
3332 | nct6775_write_value(data, data->REG_TEMP_SOURCE[index], src); | |
3333 | *available &= ~(1 << index); | |
3334 | *mask |= 1 << src; | |
3335 | } | |
3336 | } | |
3337 | ||
9de2e2e8 GR |
3338 | static int nct6775_probe(struct platform_device *pdev) |
3339 | { | |
3340 | struct device *dev = &pdev->dev; | |
a8b3a3a5 | 3341 | struct nct6775_sio_data *sio_data = dev_get_platdata(dev); |
9de2e2e8 GR |
3342 | struct nct6775_data *data; |
3343 | struct resource *res; | |
aa136e5d GR |
3344 | int i, s, err = 0; |
3345 | int src, mask, available; | |
3346 | const u16 *reg_temp, *reg_temp_over, *reg_temp_hyst, *reg_temp_config; | |
d1a284b7 | 3347 | const u16 *reg_temp_mon, *reg_temp_alternate, *reg_temp_crit; |
b7a61353 | 3348 | const u16 *reg_temp_crit_l = NULL, *reg_temp_crit_h = NULL; |
d1a284b7 | 3349 | int num_reg_temp, num_reg_temp_mon; |
0fc1f8fc | 3350 | u8 cr2a; |
f73cf632 | 3351 | struct attribute_group *group; |
a150d95b | 3352 | struct device *hwmon_dev; |
55bdee69 | 3353 | int num_attr_groups = 0; |
9de2e2e8 GR |
3354 | |
3355 | res = platform_get_resource(pdev, IORESOURCE_IO, 0); | |
3356 | if (!devm_request_region(&pdev->dev, res->start, IOREGION_LENGTH, | |
3357 | DRVNAME)) | |
3358 | return -EBUSY; | |
3359 | ||
3360 | data = devm_kzalloc(&pdev->dev, sizeof(struct nct6775_data), | |
3361 | GFP_KERNEL); | |
3362 | if (!data) | |
3363 | return -ENOMEM; | |
3364 | ||
3365 | data->kind = sio_data->kind; | |
df612d5f | 3366 | data->sioreg = sio_data->sioreg; |
9de2e2e8 | 3367 | data->addr = res->start; |
9de2e2e8 GR |
3368 | mutex_init(&data->update_lock); |
3369 | data->name = nct6775_device_names[data->kind]; | |
3370 | data->bank = 0xff; /* Force initial bank selection */ | |
3371 | platform_set_drvdata(pdev, data); | |
3372 | ||
3373 | switch (data->kind) { | |
6c009501 GR |
3374 | case nct6106: |
3375 | data->in_num = 9; | |
3376 | data->pwm_num = 3; | |
3377 | data->auto_pwm_num = 4; | |
3378 | data->temp_fixed_num = 3; | |
3379 | data->num_temp_alarms = 6; | |
30846993 | 3380 | data->num_temp_beeps = 6; |
6c009501 GR |
3381 | |
3382 | data->fan_from_reg = fan_from_reg13; | |
3383 | data->fan_from_reg_min = fan_from_reg13; | |
3384 | ||
3385 | data->temp_label = nct6776_temp_label; | |
3386 | data->temp_label_num = ARRAY_SIZE(nct6776_temp_label); | |
3387 | ||
3388 | data->REG_VBAT = NCT6106_REG_VBAT; | |
3389 | data->REG_DIODE = NCT6106_REG_DIODE; | |
3390 | data->DIODE_MASK = NCT6106_DIODE_MASK; | |
3391 | data->REG_VIN = NCT6106_REG_IN; | |
3392 | data->REG_IN_MINMAX[0] = NCT6106_REG_IN_MIN; | |
3393 | data->REG_IN_MINMAX[1] = NCT6106_REG_IN_MAX; | |
3394 | data->REG_TARGET = NCT6106_REG_TARGET; | |
3395 | data->REG_FAN = NCT6106_REG_FAN; | |
3396 | data->REG_FAN_MODE = NCT6106_REG_FAN_MODE; | |
3397 | data->REG_FAN_MIN = NCT6106_REG_FAN_MIN; | |
3398 | data->REG_FAN_PULSES = NCT6106_REG_FAN_PULSES; | |
3399 | data->FAN_PULSE_SHIFT = NCT6106_FAN_PULSE_SHIFT; | |
3400 | data->REG_FAN_TIME[0] = NCT6106_REG_FAN_STOP_TIME; | |
3401 | data->REG_FAN_TIME[1] = NCT6106_REG_FAN_STEP_UP_TIME; | |
3402 | data->REG_FAN_TIME[2] = NCT6106_REG_FAN_STEP_DOWN_TIME; | |
3403 | data->REG_PWM[0] = NCT6106_REG_PWM; | |
3404 | data->REG_PWM[1] = NCT6106_REG_FAN_START_OUTPUT; | |
3405 | data->REG_PWM[2] = NCT6106_REG_FAN_STOP_OUTPUT; | |
3406 | data->REG_PWM[5] = NCT6106_REG_WEIGHT_DUTY_STEP; | |
3407 | data->REG_PWM[6] = NCT6106_REG_WEIGHT_DUTY_BASE; | |
3408 | data->REG_PWM_READ = NCT6106_REG_PWM_READ; | |
3409 | data->REG_PWM_MODE = NCT6106_REG_PWM_MODE; | |
3410 | data->PWM_MODE_MASK = NCT6106_PWM_MODE_MASK; | |
3411 | data->REG_AUTO_TEMP = NCT6106_REG_AUTO_TEMP; | |
3412 | data->REG_AUTO_PWM = NCT6106_REG_AUTO_PWM; | |
3413 | data->REG_CRITICAL_TEMP = NCT6106_REG_CRITICAL_TEMP; | |
3414 | data->REG_CRITICAL_TEMP_TOLERANCE | |
3415 | = NCT6106_REG_CRITICAL_TEMP_TOLERANCE; | |
3416 | data->REG_CRITICAL_PWM_ENABLE = NCT6106_REG_CRITICAL_PWM_ENABLE; | |
3417 | data->CRITICAL_PWM_ENABLE_MASK | |
3418 | = NCT6106_CRITICAL_PWM_ENABLE_MASK; | |
3419 | data->REG_CRITICAL_PWM = NCT6106_REG_CRITICAL_PWM; | |
3420 | data->REG_TEMP_OFFSET = NCT6106_REG_TEMP_OFFSET; | |
3421 | data->REG_TEMP_SOURCE = NCT6106_REG_TEMP_SOURCE; | |
3422 | data->REG_TEMP_SEL = NCT6106_REG_TEMP_SEL; | |
3423 | data->REG_WEIGHT_TEMP_SEL = NCT6106_REG_WEIGHT_TEMP_SEL; | |
3424 | data->REG_WEIGHT_TEMP[0] = NCT6106_REG_WEIGHT_TEMP_STEP; | |
3425 | data->REG_WEIGHT_TEMP[1] = NCT6106_REG_WEIGHT_TEMP_STEP_TOL; | |
3426 | data->REG_WEIGHT_TEMP[2] = NCT6106_REG_WEIGHT_TEMP_BASE; | |
3427 | data->REG_ALARM = NCT6106_REG_ALARM; | |
3428 | data->ALARM_BITS = NCT6106_ALARM_BITS; | |
30846993 GR |
3429 | data->REG_BEEP = NCT6106_REG_BEEP; |
3430 | data->BEEP_BITS = NCT6106_BEEP_BITS; | |
6c009501 GR |
3431 | |
3432 | reg_temp = NCT6106_REG_TEMP; | |
d1a284b7 | 3433 | reg_temp_mon = NCT6106_REG_TEMP_MON; |
6c009501 | 3434 | num_reg_temp = ARRAY_SIZE(NCT6106_REG_TEMP); |
d1a284b7 | 3435 | num_reg_temp_mon = ARRAY_SIZE(NCT6106_REG_TEMP_MON); |
6c009501 GR |
3436 | reg_temp_over = NCT6106_REG_TEMP_OVER; |
3437 | reg_temp_hyst = NCT6106_REG_TEMP_HYST; | |
3438 | reg_temp_config = NCT6106_REG_TEMP_CONFIG; | |
3439 | reg_temp_alternate = NCT6106_REG_TEMP_ALTERNATE; | |
3440 | reg_temp_crit = NCT6106_REG_TEMP_CRIT; | |
b7a61353 GR |
3441 | reg_temp_crit_l = NCT6106_REG_TEMP_CRIT_L; |
3442 | reg_temp_crit_h = NCT6106_REG_TEMP_CRIT_H; | |
6c009501 GR |
3443 | |
3444 | break; | |
9de2e2e8 GR |
3445 | case nct6775: |
3446 | data->in_num = 9; | |
77eb5b37 | 3447 | data->pwm_num = 3; |
cdcaeceb | 3448 | data->auto_pwm_num = 6; |
1c65dc36 | 3449 | data->has_fan_div = true; |
aa136e5d | 3450 | data->temp_fixed_num = 3; |
b1d2bff6 | 3451 | data->num_temp_alarms = 3; |
30846993 | 3452 | data->num_temp_beeps = 3; |
9de2e2e8 GR |
3453 | |
3454 | data->ALARM_BITS = NCT6775_ALARM_BITS; | |
30846993 | 3455 | data->BEEP_BITS = NCT6775_BEEP_BITS; |
9de2e2e8 | 3456 | |
1c65dc36 GR |
3457 | data->fan_from_reg = fan_from_reg16; |
3458 | data->fan_from_reg_min = fan_from_reg8; | |
cdcaeceb GR |
3459 | data->target_temp_mask = 0x7f; |
3460 | data->tolerance_mask = 0x0f; | |
3461 | data->speed_tolerance_limit = 15; | |
1c65dc36 | 3462 | |
aa136e5d GR |
3463 | data->temp_label = nct6775_temp_label; |
3464 | data->temp_label_num = ARRAY_SIZE(nct6775_temp_label); | |
3465 | ||
9de2e2e8 GR |
3466 | data->REG_CONFIG = NCT6775_REG_CONFIG; |
3467 | data->REG_VBAT = NCT6775_REG_VBAT; | |
aa136e5d | 3468 | data->REG_DIODE = NCT6775_REG_DIODE; |
6c009501 | 3469 | data->DIODE_MASK = NCT6775_DIODE_MASK; |
9de2e2e8 GR |
3470 | data->REG_VIN = NCT6775_REG_IN; |
3471 | data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; | |
3472 | data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; | |
cdcaeceb | 3473 | data->REG_TARGET = NCT6775_REG_TARGET; |
1c65dc36 | 3474 | data->REG_FAN = NCT6775_REG_FAN; |
77eb5b37 | 3475 | data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; |
1c65dc36 | 3476 | data->REG_FAN_MIN = NCT6775_REG_FAN_MIN; |
5c25d954 | 3477 | data->REG_FAN_PULSES = NCT6775_REG_FAN_PULSES; |
6c009501 | 3478 | data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT; |
cdcaeceb GR |
3479 | data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; |
3480 | data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME; | |
3481 | data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME; | |
77eb5b37 | 3482 | data->REG_PWM[0] = NCT6775_REG_PWM; |
cdcaeceb GR |
3483 | data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; |
3484 | data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; | |
3485 | data->REG_PWM[3] = NCT6775_REG_FAN_MAX_OUTPUT; | |
3486 | data->REG_PWM[4] = NCT6775_REG_FAN_STEP_OUTPUT; | |
bbd8decd | 3487 | data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP; |
77eb5b37 GR |
3488 | data->REG_PWM_READ = NCT6775_REG_PWM_READ; |
3489 | data->REG_PWM_MODE = NCT6775_REG_PWM_MODE; | |
3490 | data->PWM_MODE_MASK = NCT6775_PWM_MODE_MASK; | |
cdcaeceb GR |
3491 | data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; |
3492 | data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; | |
3493 | data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; | |
3494 | data->REG_CRITICAL_TEMP_TOLERANCE | |
3495 | = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; | |
aa136e5d GR |
3496 | data->REG_TEMP_OFFSET = NCT6775_REG_TEMP_OFFSET; |
3497 | data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; | |
cdcaeceb | 3498 | data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; |
bbd8decd GR |
3499 | data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL; |
3500 | data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP; | |
3501 | data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; | |
3502 | data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; | |
9de2e2e8 | 3503 | data->REG_ALARM = NCT6775_REG_ALARM; |
30846993 | 3504 | data->REG_BEEP = NCT6775_REG_BEEP; |
aa136e5d GR |
3505 | |
3506 | reg_temp = NCT6775_REG_TEMP; | |
d1a284b7 | 3507 | reg_temp_mon = NCT6775_REG_TEMP_MON; |
aa136e5d | 3508 | num_reg_temp = ARRAY_SIZE(NCT6775_REG_TEMP); |
d1a284b7 | 3509 | num_reg_temp_mon = ARRAY_SIZE(NCT6775_REG_TEMP_MON); |
aa136e5d GR |
3510 | reg_temp_over = NCT6775_REG_TEMP_OVER; |
3511 | reg_temp_hyst = NCT6775_REG_TEMP_HYST; | |
3512 | reg_temp_config = NCT6775_REG_TEMP_CONFIG; | |
3513 | reg_temp_alternate = NCT6775_REG_TEMP_ALTERNATE; | |
3514 | reg_temp_crit = NCT6775_REG_TEMP_CRIT; | |
3515 | ||
9de2e2e8 GR |
3516 | break; |
3517 | case nct6776: | |
3518 | data->in_num = 9; | |
77eb5b37 | 3519 | data->pwm_num = 3; |
cdcaeceb | 3520 | data->auto_pwm_num = 4; |
1c65dc36 | 3521 | data->has_fan_div = false; |
aa136e5d | 3522 | data->temp_fixed_num = 3; |
b1d2bff6 | 3523 | data->num_temp_alarms = 3; |
30846993 | 3524 | data->num_temp_beeps = 6; |
9de2e2e8 GR |
3525 | |
3526 | data->ALARM_BITS = NCT6776_ALARM_BITS; | |
30846993 | 3527 | data->BEEP_BITS = NCT6776_BEEP_BITS; |
9de2e2e8 | 3528 | |
1c65dc36 GR |
3529 | data->fan_from_reg = fan_from_reg13; |
3530 | data->fan_from_reg_min = fan_from_reg13; | |
cdcaeceb GR |
3531 | data->target_temp_mask = 0xff; |
3532 | data->tolerance_mask = 0x07; | |
3533 | data->speed_tolerance_limit = 63; | |
1c65dc36 | 3534 | |
aa136e5d GR |
3535 | data->temp_label = nct6776_temp_label; |
3536 | data->temp_label_num = ARRAY_SIZE(nct6776_temp_label); | |
3537 | ||
9de2e2e8 GR |
3538 | data->REG_CONFIG = NCT6775_REG_CONFIG; |
3539 | data->REG_VBAT = NCT6775_REG_VBAT; | |
aa136e5d | 3540 | data->REG_DIODE = NCT6775_REG_DIODE; |
6c009501 | 3541 | data->DIODE_MASK = NCT6775_DIODE_MASK; |
9de2e2e8 GR |
3542 | data->REG_VIN = NCT6775_REG_IN; |
3543 | data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; | |
3544 | data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; | |
cdcaeceb | 3545 | data->REG_TARGET = NCT6775_REG_TARGET; |
1c65dc36 | 3546 | data->REG_FAN = NCT6775_REG_FAN; |
77eb5b37 | 3547 | data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; |
1c65dc36 | 3548 | data->REG_FAN_MIN = NCT6776_REG_FAN_MIN; |
5c25d954 | 3549 | data->REG_FAN_PULSES = NCT6776_REG_FAN_PULSES; |
6c009501 | 3550 | data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT; |
cdcaeceb | 3551 | data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; |
728d2940 GR |
3552 | data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME; |
3553 | data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME; | |
cdcaeceb | 3554 | data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H; |
77eb5b37 | 3555 | data->REG_PWM[0] = NCT6775_REG_PWM; |
cdcaeceb GR |
3556 | data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; |
3557 | data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; | |
bbd8decd GR |
3558 | data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP; |
3559 | data->REG_PWM[6] = NCT6776_REG_WEIGHT_DUTY_BASE; | |
77eb5b37 GR |
3560 | data->REG_PWM_READ = NCT6775_REG_PWM_READ; |
3561 | data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; | |
3562 | data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; | |
cdcaeceb GR |
3563 | data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; |
3564 | data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; | |
3565 | data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; | |
3566 | data->REG_CRITICAL_TEMP_TOLERANCE | |
3567 | = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; | |
aa136e5d GR |
3568 | data->REG_TEMP_OFFSET = NCT6775_REG_TEMP_OFFSET; |
3569 | data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; | |
cdcaeceb | 3570 | data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; |
bbd8decd GR |
3571 | data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL; |
3572 | data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP; | |
3573 | data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; | |
3574 | data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; | |
9de2e2e8 | 3575 | data->REG_ALARM = NCT6775_REG_ALARM; |
30846993 | 3576 | data->REG_BEEP = NCT6776_REG_BEEP; |
aa136e5d GR |
3577 | |
3578 | reg_temp = NCT6775_REG_TEMP; | |
d1a284b7 | 3579 | reg_temp_mon = NCT6775_REG_TEMP_MON; |
aa136e5d | 3580 | num_reg_temp = ARRAY_SIZE(NCT6775_REG_TEMP); |
d1a284b7 | 3581 | num_reg_temp_mon = ARRAY_SIZE(NCT6775_REG_TEMP_MON); |
aa136e5d GR |
3582 | reg_temp_over = NCT6775_REG_TEMP_OVER; |
3583 | reg_temp_hyst = NCT6775_REG_TEMP_HYST; | |
3584 | reg_temp_config = NCT6776_REG_TEMP_CONFIG; | |
3585 | reg_temp_alternate = NCT6776_REG_TEMP_ALTERNATE; | |
3586 | reg_temp_crit = NCT6776_REG_TEMP_CRIT; | |
3587 | ||
9de2e2e8 GR |
3588 | break; |
3589 | case nct6779: | |
3590 | data->in_num = 15; | |
77eb5b37 | 3591 | data->pwm_num = 5; |
cdcaeceb | 3592 | data->auto_pwm_num = 4; |
1c65dc36 | 3593 | data->has_fan_div = false; |
aa136e5d | 3594 | data->temp_fixed_num = 6; |
b1d2bff6 | 3595 | data->num_temp_alarms = 2; |
30846993 | 3596 | data->num_temp_beeps = 2; |
9de2e2e8 GR |
3597 | |
3598 | data->ALARM_BITS = NCT6779_ALARM_BITS; | |
30846993 | 3599 | data->BEEP_BITS = NCT6779_BEEP_BITS; |
9de2e2e8 | 3600 | |
1c65dc36 GR |
3601 | data->fan_from_reg = fan_from_reg13; |
3602 | data->fan_from_reg_min = fan_from_reg13; | |
cdcaeceb GR |
3603 | data->target_temp_mask = 0xff; |
3604 | data->tolerance_mask = 0x07; | |
3605 | data->speed_tolerance_limit = 63; | |
1c65dc36 | 3606 | |
aa136e5d GR |
3607 | data->temp_label = nct6779_temp_label; |
3608 | data->temp_label_num = ARRAY_SIZE(nct6779_temp_label); | |
3609 | ||
9de2e2e8 GR |
3610 | data->REG_CONFIG = NCT6775_REG_CONFIG; |
3611 | data->REG_VBAT = NCT6775_REG_VBAT; | |
aa136e5d | 3612 | data->REG_DIODE = NCT6775_REG_DIODE; |
6c009501 | 3613 | data->DIODE_MASK = NCT6775_DIODE_MASK; |
9de2e2e8 GR |
3614 | data->REG_VIN = NCT6779_REG_IN; |
3615 | data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; | |
3616 | data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; | |
cdcaeceb | 3617 | data->REG_TARGET = NCT6775_REG_TARGET; |
1c65dc36 | 3618 | data->REG_FAN = NCT6779_REG_FAN; |
77eb5b37 | 3619 | data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; |
1c65dc36 | 3620 | data->REG_FAN_MIN = NCT6776_REG_FAN_MIN; |
5c25d954 | 3621 | data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES; |
6c009501 | 3622 | data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT; |
cdcaeceb | 3623 | data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; |
728d2940 GR |
3624 | data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME; |
3625 | data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME; | |
cdcaeceb | 3626 | data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H; |
77eb5b37 | 3627 | data->REG_PWM[0] = NCT6775_REG_PWM; |
cdcaeceb GR |
3628 | data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; |
3629 | data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; | |
bbd8decd GR |
3630 | data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP; |
3631 | data->REG_PWM[6] = NCT6776_REG_WEIGHT_DUTY_BASE; | |
77eb5b37 GR |
3632 | data->REG_PWM_READ = NCT6775_REG_PWM_READ; |
3633 | data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; | |
3634 | data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; | |
cdcaeceb GR |
3635 | data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; |
3636 | data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; | |
3637 | data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; | |
3638 | data->REG_CRITICAL_TEMP_TOLERANCE | |
3639 | = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; | |
6c009501 GR |
3640 | data->REG_CRITICAL_PWM_ENABLE = NCT6779_REG_CRITICAL_PWM_ENABLE; |
3641 | data->CRITICAL_PWM_ENABLE_MASK | |
3642 | = NCT6779_CRITICAL_PWM_ENABLE_MASK; | |
3643 | data->REG_CRITICAL_PWM = NCT6779_REG_CRITICAL_PWM; | |
aa136e5d GR |
3644 | data->REG_TEMP_OFFSET = NCT6779_REG_TEMP_OFFSET; |
3645 | data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; | |
cdcaeceb | 3646 | data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; |
bbd8decd GR |
3647 | data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL; |
3648 | data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP; | |
3649 | data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; | |
3650 | data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; | |
9de2e2e8 | 3651 | data->REG_ALARM = NCT6779_REG_ALARM; |
30846993 | 3652 | data->REG_BEEP = NCT6776_REG_BEEP; |
aa136e5d GR |
3653 | |
3654 | reg_temp = NCT6779_REG_TEMP; | |
d1a284b7 | 3655 | reg_temp_mon = NCT6779_REG_TEMP_MON; |
aa136e5d | 3656 | num_reg_temp = ARRAY_SIZE(NCT6779_REG_TEMP); |
d1a284b7 | 3657 | num_reg_temp_mon = ARRAY_SIZE(NCT6779_REG_TEMP_MON); |
aa136e5d GR |
3658 | reg_temp_over = NCT6779_REG_TEMP_OVER; |
3659 | reg_temp_hyst = NCT6779_REG_TEMP_HYST; | |
3660 | reg_temp_config = NCT6779_REG_TEMP_CONFIG; | |
3661 | reg_temp_alternate = NCT6779_REG_TEMP_ALTERNATE; | |
3662 | reg_temp_crit = NCT6779_REG_TEMP_CRIT; | |
3663 | ||
578ab5f0 DB |
3664 | break; |
3665 | case nct6791: | |
8aefb93f | 3666 | case nct6792: |
cd1faefa | 3667 | case nct6793: |
578ab5f0 DB |
3668 | data->in_num = 15; |
3669 | data->pwm_num = 6; | |
3670 | data->auto_pwm_num = 4; | |
3671 | data->has_fan_div = false; | |
3672 | data->temp_fixed_num = 6; | |
3673 | data->num_temp_alarms = 2; | |
3674 | data->num_temp_beeps = 2; | |
3675 | ||
3676 | data->ALARM_BITS = NCT6791_ALARM_BITS; | |
3677 | data->BEEP_BITS = NCT6779_BEEP_BITS; | |
3678 | ||
3679 | data->fan_from_reg = fan_from_reg13; | |
3680 | data->fan_from_reg_min = fan_from_reg13; | |
3681 | data->target_temp_mask = 0xff; | |
3682 | data->tolerance_mask = 0x07; | |
3683 | data->speed_tolerance_limit = 63; | |
3684 | ||
3685 | data->temp_label = nct6779_temp_label; | |
3686 | data->temp_label_num = ARRAY_SIZE(nct6779_temp_label); | |
3687 | ||
3688 | data->REG_CONFIG = NCT6775_REG_CONFIG; | |
3689 | data->REG_VBAT = NCT6775_REG_VBAT; | |
3690 | data->REG_DIODE = NCT6775_REG_DIODE; | |
3691 | data->DIODE_MASK = NCT6775_DIODE_MASK; | |
3692 | data->REG_VIN = NCT6779_REG_IN; | |
3693 | data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; | |
3694 | data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; | |
3695 | data->REG_TARGET = NCT6775_REG_TARGET; | |
3696 | data->REG_FAN = NCT6779_REG_FAN; | |
3697 | data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; | |
3698 | data->REG_FAN_MIN = NCT6776_REG_FAN_MIN; | |
3699 | data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES; | |
3700 | data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT; | |
3701 | data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; | |
728d2940 GR |
3702 | data->REG_FAN_TIME[1] = NCT6776_REG_FAN_STEP_UP_TIME; |
3703 | data->REG_FAN_TIME[2] = NCT6776_REG_FAN_STEP_DOWN_TIME; | |
578ab5f0 DB |
3704 | data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H; |
3705 | data->REG_PWM[0] = NCT6775_REG_PWM; | |
3706 | data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; | |
3707 | data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; | |
cc76dee1 GR |
3708 | data->REG_PWM[5] = NCT6791_REG_WEIGHT_DUTY_STEP; |
3709 | data->REG_PWM[6] = NCT6791_REG_WEIGHT_DUTY_BASE; | |
578ab5f0 DB |
3710 | data->REG_PWM_READ = NCT6775_REG_PWM_READ; |
3711 | data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; | |
3712 | data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; | |
3713 | data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; | |
3714 | data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; | |
3715 | data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; | |
3716 | data->REG_CRITICAL_TEMP_TOLERANCE | |
3717 | = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; | |
3718 | data->REG_CRITICAL_PWM_ENABLE = NCT6779_REG_CRITICAL_PWM_ENABLE; | |
3719 | data->CRITICAL_PWM_ENABLE_MASK | |
3720 | = NCT6779_CRITICAL_PWM_ENABLE_MASK; | |
3721 | data->REG_CRITICAL_PWM = NCT6779_REG_CRITICAL_PWM; | |
3722 | data->REG_TEMP_OFFSET = NCT6779_REG_TEMP_OFFSET; | |
3723 | data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; | |
3724 | data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; | |
cc76dee1 GR |
3725 | data->REG_WEIGHT_TEMP_SEL = NCT6791_REG_WEIGHT_TEMP_SEL; |
3726 | data->REG_WEIGHT_TEMP[0] = NCT6791_REG_WEIGHT_TEMP_STEP; | |
3727 | data->REG_WEIGHT_TEMP[1] = NCT6791_REG_WEIGHT_TEMP_STEP_TOL; | |
3728 | data->REG_WEIGHT_TEMP[2] = NCT6791_REG_WEIGHT_TEMP_BASE; | |
578ab5f0 | 3729 | data->REG_ALARM = NCT6791_REG_ALARM; |
8aefb93f GR |
3730 | if (data->kind == nct6791) |
3731 | data->REG_BEEP = NCT6776_REG_BEEP; | |
3732 | else | |
3733 | data->REG_BEEP = NCT6792_REG_BEEP; | |
578ab5f0 DB |
3734 | |
3735 | reg_temp = NCT6779_REG_TEMP; | |
3736 | num_reg_temp = ARRAY_SIZE(NCT6779_REG_TEMP); | |
8aefb93f GR |
3737 | if (data->kind == nct6791) { |
3738 | reg_temp_mon = NCT6779_REG_TEMP_MON; | |
3739 | num_reg_temp_mon = ARRAY_SIZE(NCT6779_REG_TEMP_MON); | |
3740 | } else { | |
3741 | reg_temp_mon = NCT6792_REG_TEMP_MON; | |
3742 | num_reg_temp_mon = ARRAY_SIZE(NCT6792_REG_TEMP_MON); | |
3743 | } | |
578ab5f0 DB |
3744 | reg_temp_over = NCT6779_REG_TEMP_OVER; |
3745 | reg_temp_hyst = NCT6779_REG_TEMP_HYST; | |
3746 | reg_temp_config = NCT6779_REG_TEMP_CONFIG; | |
3747 | reg_temp_alternate = NCT6779_REG_TEMP_ALTERNATE; | |
3748 | reg_temp_crit = NCT6779_REG_TEMP_CRIT; | |
3749 | ||
9de2e2e8 GR |
3750 | break; |
3751 | default: | |
3752 | return -ENODEV; | |
3753 | } | |
3754 | data->have_in = (1 << data->in_num) - 1; | |
aa136e5d GR |
3755 | data->have_temp = 0; |
3756 | ||
3757 | /* | |
3758 | * On some boards, not all available temperature sources are monitored, | |
3759 | * even though some of the monitoring registers are unused. | |
3760 | * Get list of unused monitoring registers, then detect if any fan | |
3761 | * controls are configured to use unmonitored temperature sources. | |
3762 | * If so, assign the unmonitored temperature sources to available | |
3763 | * monitoring registers. | |
3764 | */ | |
3765 | mask = 0; | |
3766 | available = 0; | |
3767 | for (i = 0; i < num_reg_temp; i++) { | |
3768 | if (reg_temp[i] == 0) | |
3769 | continue; | |
3770 | ||
3771 | src = nct6775_read_value(data, data->REG_TEMP_SOURCE[i]) & 0x1f; | |
3772 | if (!src || (mask & (1 << src))) | |
3773 | available |= 1 << i; | |
3774 | ||
3775 | mask |= 1 << src; | |
3776 | } | |
3777 | ||
8e9285b0 GR |
3778 | /* |
3779 | * Now find unmonitored temperature registers and enable monitoring | |
3780 | * if additional monitoring registers are available. | |
3781 | */ | |
3782 | add_temp_sensors(data, data->REG_TEMP_SEL, &available, &mask); | |
3783 | add_temp_sensors(data, data->REG_WEIGHT_TEMP_SEL, &available, &mask); | |
3784 | ||
aa136e5d GR |
3785 | mask = 0; |
3786 | s = NUM_TEMP_FIXED; /* First dynamic temperature attribute */ | |
3787 | for (i = 0; i < num_reg_temp; i++) { | |
3788 | if (reg_temp[i] == 0) | |
3789 | continue; | |
3790 | ||
3791 | src = nct6775_read_value(data, data->REG_TEMP_SOURCE[i]) & 0x1f; | |
3792 | if (!src || (mask & (1 << src))) | |
3793 | continue; | |
3794 | ||
3795 | if (src >= data->temp_label_num || | |
3796 | !strlen(data->temp_label[src])) { | |
3797 | dev_info(dev, | |
3798 | "Invalid temperature source %d at index %d, source register 0x%x, temp register 0x%x\n", | |
3799 | src, i, data->REG_TEMP_SOURCE[i], reg_temp[i]); | |
3800 | continue; | |
3801 | } | |
3802 | ||
3803 | mask |= 1 << src; | |
3804 | ||
3805 | /* Use fixed index for SYSTIN(1), CPUTIN(2), AUXTIN(3) */ | |
3806 | if (src <= data->temp_fixed_num) { | |
3807 | data->have_temp |= 1 << (src - 1); | |
3808 | data->have_temp_fixed |= 1 << (src - 1); | |
3809 | data->reg_temp[0][src - 1] = reg_temp[i]; | |
3810 | data->reg_temp[1][src - 1] = reg_temp_over[i]; | |
3811 | data->reg_temp[2][src - 1] = reg_temp_hyst[i]; | |
b7a61353 GR |
3812 | if (reg_temp_crit_h && reg_temp_crit_h[i]) |
3813 | data->reg_temp[3][src - 1] = reg_temp_crit_h[i]; | |
3814 | else if (reg_temp_crit[src - 1]) | |
3815 | data->reg_temp[3][src - 1] | |
3816 | = reg_temp_crit[src - 1]; | |
3817 | if (reg_temp_crit_l && reg_temp_crit_l[i]) | |
3818 | data->reg_temp[4][src - 1] = reg_temp_crit_l[i]; | |
aa136e5d GR |
3819 | data->reg_temp_config[src - 1] = reg_temp_config[i]; |
3820 | data->temp_src[src - 1] = src; | |
3821 | continue; | |
3822 | } | |
3823 | ||
3824 | if (s >= NUM_TEMP) | |
3825 | continue; | |
3826 | ||
3827 | /* Use dynamic index for other sources */ | |
3828 | data->have_temp |= 1 << s; | |
3829 | data->reg_temp[0][s] = reg_temp[i]; | |
3830 | data->reg_temp[1][s] = reg_temp_over[i]; | |
3831 | data->reg_temp[2][s] = reg_temp_hyst[i]; | |
3832 | data->reg_temp_config[s] = reg_temp_config[i]; | |
b7a61353 GR |
3833 | if (reg_temp_crit_h && reg_temp_crit_h[i]) |
3834 | data->reg_temp[3][s] = reg_temp_crit_h[i]; | |
3835 | else if (reg_temp_crit[src - 1]) | |
aa136e5d | 3836 | data->reg_temp[3][s] = reg_temp_crit[src - 1]; |
b7a61353 GR |
3837 | if (reg_temp_crit_l && reg_temp_crit_l[i]) |
3838 | data->reg_temp[4][s] = reg_temp_crit_l[i]; | |
aa136e5d GR |
3839 | |
3840 | data->temp_src[s] = src; | |
3841 | s++; | |
3842 | } | |
3843 | ||
d1a284b7 GR |
3844 | /* |
3845 | * Repeat with temperatures used for fan control. | |
3846 | * This set of registers does not support limits. | |
3847 | */ | |
3848 | for (i = 0; i < num_reg_temp_mon; i++) { | |
3849 | if (reg_temp_mon[i] == 0) | |
3850 | continue; | |
3851 | ||
3852 | src = nct6775_read_value(data, data->REG_TEMP_SEL[i]) & 0x1f; | |
3853 | if (!src || (mask & (1 << src))) | |
3854 | continue; | |
3855 | ||
3856 | if (src >= data->temp_label_num || | |
3857 | !strlen(data->temp_label[src])) { | |
3858 | dev_info(dev, | |
3859 | "Invalid temperature source %d at index %d, source register 0x%x, temp register 0x%x\n", | |
3860 | src, i, data->REG_TEMP_SEL[i], | |
3861 | reg_temp_mon[i]); | |
3862 | continue; | |
3863 | } | |
3864 | ||
3865 | mask |= 1 << src; | |
3866 | ||
3867 | /* Use fixed index for SYSTIN(1), CPUTIN(2), AUXTIN(3) */ | |
3868 | if (src <= data->temp_fixed_num) { | |
3869 | if (data->have_temp & (1 << (src - 1))) | |
3870 | continue; | |
3871 | data->have_temp |= 1 << (src - 1); | |
3872 | data->have_temp_fixed |= 1 << (src - 1); | |
3873 | data->reg_temp[0][src - 1] = reg_temp_mon[i]; | |
3874 | data->temp_src[src - 1] = src; | |
3875 | continue; | |
3876 | } | |
3877 | ||
3878 | if (s >= NUM_TEMP) | |
3879 | continue; | |
3880 | ||
3881 | /* Use dynamic index for other sources */ | |
3882 | data->have_temp |= 1 << s; | |
3883 | data->reg_temp[0][s] = reg_temp_mon[i]; | |
3884 | data->temp_src[s] = src; | |
3885 | s++; | |
3886 | } | |
3887 | ||
aa136e5d GR |
3888 | #ifdef USE_ALTERNATE |
3889 | /* | |
3890 | * Go through the list of alternate temp registers and enable | |
3891 | * if possible. | |
3892 | * The temperature is already monitored if the respective bit in <mask> | |
3893 | * is set. | |
3894 | */ | |
3895 | for (i = 0; i < data->temp_label_num - 1; i++) { | |
3896 | if (!reg_temp_alternate[i]) | |
3897 | continue; | |
3898 | if (mask & (1 << (i + 1))) | |
3899 | continue; | |
3900 | if (i < data->temp_fixed_num) { | |
3901 | if (data->have_temp & (1 << i)) | |
3902 | continue; | |
3903 | data->have_temp |= 1 << i; | |
3904 | data->have_temp_fixed |= 1 << i; | |
3905 | data->reg_temp[0][i] = reg_temp_alternate[i]; | |
169c05cd GR |
3906 | if (i < num_reg_temp) { |
3907 | data->reg_temp[1][i] = reg_temp_over[i]; | |
3908 | data->reg_temp[2][i] = reg_temp_hyst[i]; | |
3909 | } | |
aa136e5d GR |
3910 | data->temp_src[i] = i + 1; |
3911 | continue; | |
3912 | } | |
3913 | ||
3914 | if (s >= NUM_TEMP) /* Abort if no more space */ | |
3915 | break; | |
3916 | ||
3917 | data->have_temp |= 1 << s; | |
3918 | data->reg_temp[0][s] = reg_temp_alternate[i]; | |
3919 | data->temp_src[s] = i + 1; | |
3920 | s++; | |
3921 | } | |
3922 | #endif /* USE_ALTERNATE */ | |
3923 | ||
9de2e2e8 GR |
3924 | /* Initialize the chip */ |
3925 | nct6775_init_device(data); | |
3926 | ||
9de2e2e8 GR |
3927 | err = superio_enter(sio_data->sioreg); |
3928 | if (err) | |
3929 | return err; | |
3930 | ||
0fc1f8fc GR |
3931 | cr2a = superio_inb(sio_data->sioreg, 0x2a); |
3932 | switch (data->kind) { | |
3933 | case nct6775: | |
f73cf632 | 3934 | data->have_vid = (cr2a & 0x40); |
0fc1f8fc GR |
3935 | break; |
3936 | case nct6776: | |
f73cf632 | 3937 | data->have_vid = (cr2a & 0x60) == 0x40; |
0fc1f8fc | 3938 | break; |
6c009501 | 3939 | case nct6106: |
0fc1f8fc | 3940 | case nct6779: |
578ab5f0 | 3941 | case nct6791: |
8aefb93f | 3942 | case nct6792: |
cd1faefa | 3943 | case nct6793: |
0fc1f8fc GR |
3944 | break; |
3945 | } | |
3946 | ||
9de2e2e8 GR |
3947 | /* |
3948 | * Read VID value | |
3949 | * We can get the VID input values directly at logical device D 0xe3. | |
3950 | */ | |
f73cf632 | 3951 | if (data->have_vid) { |
0fc1f8fc GR |
3952 | superio_select(sio_data->sioreg, NCT6775_LD_VID); |
3953 | data->vid = superio_inb(sio_data->sioreg, 0xe3); | |
3954 | data->vrm = vid_which_vrm(); | |
3955 | } | |
47ece964 GR |
3956 | |
3957 | if (fan_debounce) { | |
3958 | u8 tmp; | |
3959 | ||
3960 | superio_select(sio_data->sioreg, NCT6775_LD_HWM); | |
3961 | tmp = superio_inb(sio_data->sioreg, | |
3962 | NCT6775_REG_CR_FAN_DEBOUNCE); | |
3963 | switch (data->kind) { | |
6c009501 GR |
3964 | case nct6106: |
3965 | tmp |= 0xe0; | |
3966 | break; | |
47ece964 GR |
3967 | case nct6775: |
3968 | tmp |= 0x1e; | |
3969 | break; | |
3970 | case nct6776: | |
3971 | case nct6779: | |
3972 | tmp |= 0x3e; | |
3973 | break; | |
578ab5f0 | 3974 | case nct6791: |
8aefb93f | 3975 | case nct6792: |
cd1faefa | 3976 | case nct6793: |
578ab5f0 DB |
3977 | tmp |= 0x7e; |
3978 | break; | |
47ece964 GR |
3979 | } |
3980 | superio_outb(sio_data->sioreg, NCT6775_REG_CR_FAN_DEBOUNCE, | |
3981 | tmp); | |
3982 | dev_info(&pdev->dev, "Enabled fan debounce for chip %s\n", | |
3983 | data->name); | |
3984 | } | |
3985 | ||
df612d5f | 3986 | nct6775_check_fan_inputs(data); |
9de2e2e8 | 3987 | |
f73cf632 | 3988 | superio_exit(sio_data->sioreg); |
1c65dc36 GR |
3989 | |
3990 | /* Read fan clock dividers immediately */ | |
3991 | nct6775_init_fan_common(dev, data); | |
3992 | ||
77eb5b37 | 3993 | /* Register sysfs hooks */ |
f73cf632 GR |
3994 | group = nct6775_create_attr_group(dev, &nct6775_pwm_template_group, |
3995 | data->pwm_num); | |
615fc8cb GR |
3996 | if (IS_ERR(group)) |
3997 | return PTR_ERR(group); | |
3998 | ||
55bdee69 | 3999 | data->groups[num_attr_groups++] = group; |
9de2e2e8 | 4000 | |
f73cf632 GR |
4001 | group = nct6775_create_attr_group(dev, &nct6775_in_template_group, |
4002 | fls(data->have_in)); | |
615fc8cb GR |
4003 | if (IS_ERR(group)) |
4004 | return PTR_ERR(group); | |
4005 | ||
55bdee69 | 4006 | data->groups[num_attr_groups++] = group; |
1c65dc36 | 4007 | |
f73cf632 GR |
4008 | group = nct6775_create_attr_group(dev, &nct6775_fan_template_group, |
4009 | fls(data->has_fan)); | |
615fc8cb GR |
4010 | if (IS_ERR(group)) |
4011 | return PTR_ERR(group); | |
4012 | ||
55bdee69 | 4013 | data->groups[num_attr_groups++] = group; |
aa136e5d | 4014 | |
f73cf632 GR |
4015 | group = nct6775_create_attr_group(dev, &nct6775_temp_template_group, |
4016 | fls(data->have_temp)); | |
615fc8cb GR |
4017 | if (IS_ERR(group)) |
4018 | return PTR_ERR(group); | |
a6bd5878 | 4019 | |
55bdee69 AL |
4020 | data->groups[num_attr_groups++] = group; |
4021 | data->groups[num_attr_groups++] = &nct6775_group_other; | |
9de2e2e8 | 4022 | |
a150d95b GR |
4023 | hwmon_dev = devm_hwmon_device_register_with_groups(dev, data->name, |
4024 | data, data->groups); | |
9c09bd8d | 4025 | return PTR_ERR_OR_ZERO(hwmon_dev); |
9de2e2e8 GR |
4026 | } |
4027 | ||
f5776cc3 GR |
4028 | static void nct6791_enable_io_mapping(int sioaddr) |
4029 | { | |
4030 | int val; | |
4031 | ||
4032 | val = superio_inb(sioaddr, NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE); | |
4033 | if (val & 0x10) { | |
4034 | pr_info("Enabling hardware monitor logical device mappings.\n"); | |
4035 | superio_outb(sioaddr, NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE, | |
4036 | val & ~0x10); | |
4037 | } | |
4038 | } | |
4039 | ||
48e93182 | 4040 | static int __maybe_unused nct6775_suspend(struct device *dev) |
84d19d92 GR |
4041 | { |
4042 | struct nct6775_data *data = nct6775_update_device(dev); | |
84d19d92 GR |
4043 | |
4044 | mutex_lock(&data->update_lock); | |
4045 | data->vbat = nct6775_read_value(data, data->REG_VBAT); | |
df612d5f | 4046 | if (data->kind == nct6775) { |
84d19d92 GR |
4047 | data->fandiv1 = nct6775_read_value(data, NCT6775_REG_FANDIV1); |
4048 | data->fandiv2 = nct6775_read_value(data, NCT6775_REG_FANDIV2); | |
4049 | } | |
4050 | mutex_unlock(&data->update_lock); | |
4051 | ||
4052 | return 0; | |
4053 | } | |
4054 | ||
48e93182 | 4055 | static int __maybe_unused nct6775_resume(struct device *dev) |
84d19d92 GR |
4056 | { |
4057 | struct nct6775_data *data = dev_get_drvdata(dev); | |
d2a14ea5 | 4058 | int sioreg = data->sioreg; |
f5776cc3 | 4059 | int i, j, err = 0; |
d2a14ea5 | 4060 | u8 reg; |
84d19d92 GR |
4061 | |
4062 | mutex_lock(&data->update_lock); | |
4063 | data->bank = 0xff; /* Force initial bank selection */ | |
4064 | ||
d2a14ea5 GR |
4065 | err = superio_enter(sioreg); |
4066 | if (err) | |
4067 | goto abort; | |
f5776cc3 | 4068 | |
d2a14ea5 GR |
4069 | superio_select(sioreg, NCT6775_LD_HWM); |
4070 | reg = superio_inb(sioreg, SIO_REG_ENABLE); | |
4071 | if (reg != data->sio_reg_enable) | |
4072 | superio_outb(sioreg, SIO_REG_ENABLE, data->sio_reg_enable); | |
4073 | ||
cd1faefa GR |
4074 | if (data->kind == nct6791 || data->kind == nct6792 || |
4075 | data->kind == nct6793) | |
d2a14ea5 GR |
4076 | nct6791_enable_io_mapping(sioreg); |
4077 | ||
4078 | superio_exit(sioreg); | |
f5776cc3 | 4079 | |
84d19d92 GR |
4080 | /* Restore limits */ |
4081 | for (i = 0; i < data->in_num; i++) { | |
4082 | if (!(data->have_in & (1 << i))) | |
4083 | continue; | |
4084 | ||
4085 | nct6775_write_value(data, data->REG_IN_MINMAX[0][i], | |
4086 | data->in[i][1]); | |
4087 | nct6775_write_value(data, data->REG_IN_MINMAX[1][i], | |
4088 | data->in[i][2]); | |
4089 | } | |
4090 | ||
c409fd43 | 4091 | for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) { |
84d19d92 GR |
4092 | if (!(data->has_fan_min & (1 << i))) |
4093 | continue; | |
4094 | ||
4095 | nct6775_write_value(data, data->REG_FAN_MIN[i], | |
4096 | data->fan_min[i]); | |
4097 | } | |
4098 | ||
4099 | for (i = 0; i < NUM_TEMP; i++) { | |
4100 | if (!(data->have_temp & (1 << i))) | |
4101 | continue; | |
4102 | ||
c409fd43 | 4103 | for (j = 1; j < ARRAY_SIZE(data->reg_temp); j++) |
84d19d92 GR |
4104 | if (data->reg_temp[j][i]) |
4105 | nct6775_write_temp(data, data->reg_temp[j][i], | |
4106 | data->temp[j][i]); | |
4107 | } | |
4108 | ||
4109 | /* Restore other settings */ | |
4110 | nct6775_write_value(data, data->REG_VBAT, data->vbat); | |
df612d5f | 4111 | if (data->kind == nct6775) { |
84d19d92 GR |
4112 | nct6775_write_value(data, NCT6775_REG_FANDIV1, data->fandiv1); |
4113 | nct6775_write_value(data, NCT6775_REG_FANDIV2, data->fandiv2); | |
4114 | } | |
4115 | ||
f5776cc3 | 4116 | abort: |
84d19d92 GR |
4117 | /* Force re-reading all values */ |
4118 | data->valid = false; | |
4119 | mutex_unlock(&data->update_lock); | |
4120 | ||
f5776cc3 | 4121 | return err; |
84d19d92 GR |
4122 | } |
4123 | ||
48e93182 | 4124 | static SIMPLE_DEV_PM_OPS(nct6775_dev_pm_ops, nct6775_suspend, nct6775_resume); |
84d19d92 | 4125 | |
9de2e2e8 GR |
4126 | static struct platform_driver nct6775_driver = { |
4127 | .driver = { | |
9de2e2e8 | 4128 | .name = DRVNAME, |
48e93182 | 4129 | .pm = &nct6775_dev_pm_ops, |
9de2e2e8 GR |
4130 | }, |
4131 | .probe = nct6775_probe, | |
9de2e2e8 GR |
4132 | }; |
4133 | ||
4134 | /* nct6775_find() looks for a '627 in the Super-I/O config space */ | |
698a7c24 | 4135 | static int __init nct6775_find(int sioaddr, struct nct6775_sio_data *sio_data) |
9de2e2e8 | 4136 | { |
9de2e2e8 | 4137 | u16 val; |
9de2e2e8 | 4138 | int err; |
698a7c24 | 4139 | int addr; |
9de2e2e8 GR |
4140 | |
4141 | err = superio_enter(sioaddr); | |
4142 | if (err) | |
4143 | return err; | |
4144 | ||
4145 | if (force_id) | |
4146 | val = force_id; | |
4147 | else | |
4148 | val = (superio_inb(sioaddr, SIO_REG_DEVID) << 8) | |
4149 | | superio_inb(sioaddr, SIO_REG_DEVID + 1); | |
4150 | switch (val & SIO_ID_MASK) { | |
6c009501 GR |
4151 | case SIO_NCT6106_ID: |
4152 | sio_data->kind = nct6106; | |
4153 | break; | |
9de2e2e8 GR |
4154 | case SIO_NCT6775_ID: |
4155 | sio_data->kind = nct6775; | |
9de2e2e8 GR |
4156 | break; |
4157 | case SIO_NCT6776_ID: | |
4158 | sio_data->kind = nct6776; | |
9de2e2e8 GR |
4159 | break; |
4160 | case SIO_NCT6779_ID: | |
4161 | sio_data->kind = nct6779; | |
9de2e2e8 | 4162 | break; |
578ab5f0 DB |
4163 | case SIO_NCT6791_ID: |
4164 | sio_data->kind = nct6791; | |
4165 | break; | |
8aefb93f GR |
4166 | case SIO_NCT6792_ID: |
4167 | sio_data->kind = nct6792; | |
4168 | break; | |
cd1faefa GR |
4169 | case SIO_NCT6793_ID: |
4170 | sio_data->kind = nct6793; | |
4171 | break; | |
9de2e2e8 GR |
4172 | default: |
4173 | if (val != 0xffff) | |
4174 | pr_debug("unsupported chip ID: 0x%04x\n", val); | |
4175 | superio_exit(sioaddr); | |
4176 | return -ENODEV; | |
4177 | } | |
4178 | ||
4179 | /* We have a known chip, find the HWM I/O address */ | |
4180 | superio_select(sioaddr, NCT6775_LD_HWM); | |
4181 | val = (superio_inb(sioaddr, SIO_REG_ADDR) << 8) | |
4182 | | superio_inb(sioaddr, SIO_REG_ADDR + 1); | |
698a7c24 GR |
4183 | addr = val & IOREGION_ALIGNMENT; |
4184 | if (addr == 0) { | |
9de2e2e8 GR |
4185 | pr_err("Refusing to enable a Super-I/O device with a base I/O port 0\n"); |
4186 | superio_exit(sioaddr); | |
4187 | return -ENODEV; | |
4188 | } | |
4189 | ||
4190 | /* Activate logical device if needed */ | |
4191 | val = superio_inb(sioaddr, SIO_REG_ENABLE); | |
4192 | if (!(val & 0x01)) { | |
4193 | pr_warn("Forcibly enabling Super-I/O. Sensor is probably unusable.\n"); | |
4194 | superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01); | |
4195 | } | |
f5776cc3 | 4196 | |
cd1faefa GR |
4197 | if (sio_data->kind == nct6791 || sio_data->kind == nct6792 || |
4198 | sio_data->kind == nct6793) | |
f5776cc3 | 4199 | nct6791_enable_io_mapping(sioaddr); |
9de2e2e8 GR |
4200 | |
4201 | superio_exit(sioaddr); | |
698a7c24 GR |
4202 | pr_info("Found %s or compatible chip at %#x:%#x\n", |
4203 | nct6775_sio_names[sio_data->kind], sioaddr, addr); | |
9de2e2e8 GR |
4204 | sio_data->sioreg = sioaddr; |
4205 | ||
698a7c24 | 4206 | return addr; |
9de2e2e8 GR |
4207 | } |
4208 | ||
4209 | /* | |
4210 | * when Super-I/O functions move to a separate file, the Super-I/O | |
4211 | * bus will manage the lifetime of the device and this module will only keep | |
615fc8cb | 4212 | * track of the nct6775 driver. But since we use platform_device_alloc(), we |
9de2e2e8 GR |
4213 | * must keep track of the device |
4214 | */ | |
698a7c24 | 4215 | static struct platform_device *pdev[2]; |
9de2e2e8 GR |
4216 | |
4217 | static int __init sensors_nct6775_init(void) | |
4218 | { | |
698a7c24 GR |
4219 | int i, err; |
4220 | bool found = false; | |
4221 | int address; | |
9de2e2e8 GR |
4222 | struct resource res; |
4223 | struct nct6775_sio_data sio_data; | |
698a7c24 GR |
4224 | int sioaddr[2] = { 0x2e, 0x4e }; |
4225 | ||
4226 | err = platform_driver_register(&nct6775_driver); | |
4227 | if (err) | |
4228 | return err; | |
9de2e2e8 GR |
4229 | |
4230 | /* | |
4231 | * initialize sio_data->kind and sio_data->sioreg. | |
4232 | * | |
4233 | * when Super-I/O functions move to a separate file, the Super-I/O | |
4234 | * driver will probe 0x2e and 0x4e and auto-detect the presence of a | |
4235 | * nct6775 hardware monitor, and call probe() | |
4236 | */ | |
698a7c24 GR |
4237 | for (i = 0; i < ARRAY_SIZE(pdev); i++) { |
4238 | address = nct6775_find(sioaddr[i], &sio_data); | |
4239 | if (address <= 0) | |
4240 | continue; | |
9de2e2e8 | 4241 | |
698a7c24 | 4242 | found = true; |
9de2e2e8 | 4243 | |
698a7c24 GR |
4244 | pdev[i] = platform_device_alloc(DRVNAME, address); |
4245 | if (!pdev[i]) { | |
4246 | err = -ENOMEM; | |
9d311edd | 4247 | goto exit_device_unregister; |
698a7c24 | 4248 | } |
9de2e2e8 | 4249 | |
698a7c24 GR |
4250 | err = platform_device_add_data(pdev[i], &sio_data, |
4251 | sizeof(struct nct6775_sio_data)); | |
4252 | if (err) | |
4253 | goto exit_device_put; | |
4254 | ||
4255 | memset(&res, 0, sizeof(res)); | |
4256 | res.name = DRVNAME; | |
4257 | res.start = address + IOREGION_OFFSET; | |
4258 | res.end = address + IOREGION_OFFSET + IOREGION_LENGTH - 1; | |
4259 | res.flags = IORESOURCE_IO; | |
4260 | ||
4261 | err = acpi_check_resource_conflict(&res); | |
4262 | if (err) { | |
4263 | platform_device_put(pdev[i]); | |
4264 | pdev[i] = NULL; | |
4265 | continue; | |
4266 | } | |
9de2e2e8 | 4267 | |
698a7c24 GR |
4268 | err = platform_device_add_resources(pdev[i], &res, 1); |
4269 | if (err) | |
4270 | goto exit_device_put; | |
9de2e2e8 | 4271 | |
698a7c24 GR |
4272 | /* platform_device_add calls probe() */ |
4273 | err = platform_device_add(pdev[i]); | |
4274 | if (err) | |
4275 | goto exit_device_put; | |
9de2e2e8 | 4276 | } |
698a7c24 GR |
4277 | if (!found) { |
4278 | err = -ENODEV; | |
4279 | goto exit_unregister; | |
9de2e2e8 GR |
4280 | } |
4281 | ||
4282 | return 0; | |
4283 | ||
4284 | exit_device_put: | |
9d311edd AL |
4285 | platform_device_put(pdev[i]); |
4286 | exit_device_unregister: | |
4287 | while (--i >= 0) { | |
698a7c24 | 4288 | if (pdev[i]) |
9d311edd | 4289 | platform_device_unregister(pdev[i]); |
698a7c24 | 4290 | } |
9de2e2e8 GR |
4291 | exit_unregister: |
4292 | platform_driver_unregister(&nct6775_driver); | |
9de2e2e8 GR |
4293 | return err; |
4294 | } | |
4295 | ||
4296 | static void __exit sensors_nct6775_exit(void) | |
4297 | { | |
698a7c24 GR |
4298 | int i; |
4299 | ||
4300 | for (i = 0; i < ARRAY_SIZE(pdev); i++) { | |
4301 | if (pdev[i]) | |
4302 | platform_device_unregister(pdev[i]); | |
4303 | } | |
9de2e2e8 GR |
4304 | platform_driver_unregister(&nct6775_driver); |
4305 | } | |
4306 | ||
4307 | MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>"); | |
cd1faefa | 4308 | MODULE_DESCRIPTION("Driver for NCT6775F and compatible chips"); |
9de2e2e8 GR |
4309 | MODULE_LICENSE("GPL"); |
4310 | ||
4311 | module_init(sensors_nct6775_init); | |
4312 | module_exit(sensors_nct6775_exit); |