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 | |
8 | * Copyright (C) 2005-2012 Jean Delvare <khali@linux-fr.org> | |
9 | * Copyright (C) 2006 Yuan Mu (Winbond), | |
10 | * Rudolf Marek <r.marek@assembler.cz> | |
11 | * David Hubbard <david.c.hubbard@gmail.com> | |
12 | * Daniel J Blueman <daniel.blueman@gmail.com> | |
13 | * Copyright (C) 2010 Sheng-Yuan Huang (Nuvoton) (PS00) | |
14 | * | |
15 | * Shamelessly ripped from the w83627hf driver | |
16 | * Copyright (C) 2003 Mark Studebaker | |
17 | * | |
18 | * This program is free software; you can redistribute it and/or modify | |
19 | * it under the terms of the GNU General Public License as published by | |
20 | * the Free Software Foundation; either version 2 of the License, or | |
21 | * (at your option) any later version. | |
22 | * | |
23 | * This program is distributed in the hope that it will be useful, | |
24 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
26 | * GNU General Public License for more details. | |
27 | * | |
28 | * You should have received a copy of the GNU General Public License | |
29 | * along with this program; if not, write to the Free Software | |
30 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
31 | * | |
32 | * | |
33 | * Supports the following chips: | |
34 | * | |
35 | * Chip #vin #fan #pwm #temp chip IDs man ID | |
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 |
9de2e2e8 GR |
41 | * |
42 | * #temp lists the number of monitored temperature sources (first value) plus | |
43 | * the number of directly connectable temperature sensors (second value). | |
44 | */ | |
45 | ||
46 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
47 | ||
48 | #include <linux/module.h> | |
49 | #include <linux/init.h> | |
50 | #include <linux/slab.h> | |
51 | #include <linux/jiffies.h> | |
52 | #include <linux/platform_device.h> | |
53 | #include <linux/hwmon.h> | |
54 | #include <linux/hwmon-sysfs.h> | |
55 | #include <linux/hwmon-vid.h> | |
56 | #include <linux/err.h> | |
57 | #include <linux/mutex.h> | |
58 | #include <linux/acpi.h> | |
59 | #include <linux/io.h> | |
60 | #include "lm75.h" | |
61 | ||
aa136e5d GR |
62 | #define USE_ALTERNATE |
63 | ||
578ab5f0 | 64 | enum kinds { nct6106, nct6775, nct6776, nct6779, nct6791 }; |
9de2e2e8 GR |
65 | |
66 | /* used to set data->name = nct6775_device_names[data->sio_kind] */ | |
67 | static const char * const nct6775_device_names[] = { | |
6c009501 | 68 | "nct6106", |
9de2e2e8 GR |
69 | "nct6775", |
70 | "nct6776", | |
71 | "nct6779", | |
578ab5f0 | 72 | "nct6791", |
9de2e2e8 GR |
73 | }; |
74 | ||
75 | static unsigned short force_id; | |
76 | module_param(force_id, ushort, 0); | |
77 | MODULE_PARM_DESC(force_id, "Override the detected device ID"); | |
78 | ||
47ece964 GR |
79 | static unsigned short fan_debounce; |
80 | module_param(fan_debounce, ushort, 0); | |
81 | MODULE_PARM_DESC(fan_debounce, "Enable debouncing for fan RPM signal"); | |
82 | ||
9de2e2e8 GR |
83 | #define DRVNAME "nct6775" |
84 | ||
85 | /* | |
86 | * Super-I/O constants and functions | |
87 | */ | |
88 | ||
a6bd5878 | 89 | #define NCT6775_LD_ACPI 0x0a |
9de2e2e8 GR |
90 | #define NCT6775_LD_HWM 0x0b |
91 | #define NCT6775_LD_VID 0x0d | |
92 | ||
93 | #define SIO_REG_LDSEL 0x07 /* Logical device select */ | |
94 | #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ | |
95 | #define SIO_REG_ENABLE 0x30 /* Logical device enable */ | |
96 | #define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */ | |
97 | ||
6c009501 | 98 | #define SIO_NCT6106_ID 0xc450 |
9de2e2e8 GR |
99 | #define SIO_NCT6775_ID 0xb470 |
100 | #define SIO_NCT6776_ID 0xc330 | |
101 | #define SIO_NCT6779_ID 0xc560 | |
578ab5f0 | 102 | #define SIO_NCT6791_ID 0xc800 |
9de2e2e8 GR |
103 | #define SIO_ID_MASK 0xFFF0 |
104 | ||
77eb5b37 GR |
105 | enum pwm_enable { off, manual, thermal_cruise, speed_cruise, sf3, sf4 }; |
106 | ||
9de2e2e8 GR |
107 | static inline void |
108 | superio_outb(int ioreg, int reg, int val) | |
109 | { | |
110 | outb(reg, ioreg); | |
111 | outb(val, ioreg + 1); | |
112 | } | |
113 | ||
114 | static inline int | |
115 | superio_inb(int ioreg, int reg) | |
116 | { | |
117 | outb(reg, ioreg); | |
118 | return inb(ioreg + 1); | |
119 | } | |
120 | ||
121 | static inline void | |
122 | superio_select(int ioreg, int ld) | |
123 | { | |
124 | outb(SIO_REG_LDSEL, ioreg); | |
125 | outb(ld, ioreg + 1); | |
126 | } | |
127 | ||
128 | static inline int | |
129 | superio_enter(int ioreg) | |
130 | { | |
131 | /* | |
132 | * Try to reserve <ioreg> and <ioreg + 1> for exclusive access. | |
133 | */ | |
134 | if (!request_muxed_region(ioreg, 2, DRVNAME)) | |
135 | return -EBUSY; | |
136 | ||
137 | outb(0x87, ioreg); | |
138 | outb(0x87, ioreg); | |
139 | ||
140 | return 0; | |
141 | } | |
142 | ||
143 | static inline void | |
144 | superio_exit(int ioreg) | |
145 | { | |
146 | outb(0xaa, ioreg); | |
147 | outb(0x02, ioreg); | |
148 | outb(0x02, ioreg + 1); | |
149 | release_region(ioreg, 2); | |
150 | } | |
151 | ||
152 | /* | |
153 | * ISA constants | |
154 | */ | |
155 | ||
156 | #define IOREGION_ALIGNMENT (~7) | |
157 | #define IOREGION_OFFSET 5 | |
158 | #define IOREGION_LENGTH 2 | |
159 | #define ADDR_REG_OFFSET 0 | |
160 | #define DATA_REG_OFFSET 1 | |
161 | ||
162 | #define NCT6775_REG_BANK 0x4E | |
163 | #define NCT6775_REG_CONFIG 0x40 | |
164 | ||
165 | /* | |
166 | * Not currently used: | |
167 | * REG_MAN_ID has the value 0x5ca3 for all supported chips. | |
168 | * REG_CHIP_ID == 0x88/0xa1/0xc1 depending on chip model. | |
169 | * REG_MAN_ID is at port 0x4f | |
170 | * REG_CHIP_ID is at port 0x58 | |
171 | */ | |
172 | ||
aa136e5d GR |
173 | #define NUM_TEMP 10 /* Max number of temp attribute sets w/ limits*/ |
174 | #define NUM_TEMP_FIXED 6 /* Max number of fixed temp attribute sets */ | |
175 | ||
6c009501 | 176 | #define NUM_REG_ALARM 7 /* Max number of alarm registers */ |
30846993 | 177 | #define NUM_REG_BEEP 5 /* Max number of beep registers */ |
9de2e2e8 | 178 | |
578ab5f0 DB |
179 | #define NUM_FAN 6 |
180 | ||
9de2e2e8 GR |
181 | /* Common and NCT6775 specific data */ |
182 | ||
183 | /* Voltage min/max registers for nr=7..14 are in bank 5 */ | |
184 | ||
185 | static const u16 NCT6775_REG_IN_MAX[] = { | |
186 | 0x2b, 0x2d, 0x2f, 0x31, 0x33, 0x35, 0x37, 0x554, 0x556, 0x558, 0x55a, | |
187 | 0x55c, 0x55e, 0x560, 0x562 }; | |
188 | static const u16 NCT6775_REG_IN_MIN[] = { | |
189 | 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x555, 0x557, 0x559, 0x55b, | |
190 | 0x55d, 0x55f, 0x561, 0x563 }; | |
191 | static const u16 NCT6775_REG_IN[] = { | |
192 | 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x550, 0x551, 0x552 | |
193 | }; | |
194 | ||
195 | #define NCT6775_REG_VBAT 0x5D | |
aa136e5d | 196 | #define NCT6775_REG_DIODE 0x5E |
6c009501 | 197 | #define NCT6775_DIODE_MASK 0x02 |
9de2e2e8 | 198 | |
1c65dc36 GR |
199 | #define NCT6775_REG_FANDIV1 0x506 |
200 | #define NCT6775_REG_FANDIV2 0x507 | |
201 | ||
47ece964 GR |
202 | #define NCT6775_REG_CR_FAN_DEBOUNCE 0xf0 |
203 | ||
9de2e2e8 GR |
204 | static const u16 NCT6775_REG_ALARM[NUM_REG_ALARM] = { 0x459, 0x45A, 0x45B }; |
205 | ||
30846993 | 206 | /* 0..15 voltages, 16..23 fans, 24..29 temperatures, 30..31 intrusion */ |
9de2e2e8 GR |
207 | |
208 | static const s8 NCT6775_ALARM_BITS[] = { | |
209 | 0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */ | |
210 | 17, -1, -1, -1, -1, -1, -1, /* in8..in14 */ | |
211 | -1, /* unused */ | |
41fa9a94 | 212 | 6, 7, 11, -1, -1, /* fan1..fan5 */ |
9de2e2e8 GR |
213 | -1, -1, -1, /* unused */ |
214 | 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ | |
215 | 12, -1 }; /* intrusion0, intrusion1 */ | |
216 | ||
1c65dc36 | 217 | #define FAN_ALARM_BASE 16 |
aa136e5d | 218 | #define TEMP_ALARM_BASE 24 |
a6bd5878 GR |
219 | #define INTRUSION_ALARM_BASE 30 |
220 | ||
30846993 GR |
221 | static const u16 NCT6775_REG_BEEP[NUM_REG_BEEP] = { 0x56, 0x57, 0x453, 0x4e }; |
222 | ||
223 | /* | |
224 | * 0..14 voltages, 15 global beep enable, 16..23 fans, 24..29 temperatures, | |
225 | * 30..31 intrusion | |
226 | */ | |
227 | static const s8 NCT6775_BEEP_BITS[] = { | |
228 | 0, 1, 2, 3, 8, 9, 10, 16, /* in0.. in7 */ | |
229 | 17, -1, -1, -1, -1, -1, -1, /* in8..in14 */ | |
230 | 21, /* global beep enable */ | |
231 | 6, 7, 11, 28, -1, /* fan1..fan5 */ | |
232 | -1, -1, -1, /* unused */ | |
233 | 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ | |
234 | 12, -1 }; /* intrusion0, intrusion1 */ | |
235 | ||
236 | #define BEEP_ENABLE_BASE 15 | |
237 | ||
a6bd5878 GR |
238 | static const u8 NCT6775_REG_CR_CASEOPEN_CLR[] = { 0xe6, 0xee }; |
239 | static const u8 NCT6775_CR_CASEOPEN_CLR_MASK[] = { 0x20, 0x01 }; | |
240 | ||
77eb5b37 GR |
241 | /* DC or PWM output fan configuration */ |
242 | static const u8 NCT6775_REG_PWM_MODE[] = { 0x04, 0x04, 0x12 }; | |
243 | static const u8 NCT6775_PWM_MODE_MASK[] = { 0x01, 0x02, 0x01 }; | |
244 | ||
cdcaeceb | 245 | /* Advanced Fan control, some values are common for all fans */ |
77eb5b37 | 246 | |
578ab5f0 DB |
247 | static const u16 NCT6775_REG_TARGET[] = { |
248 | 0x101, 0x201, 0x301, 0x801, 0x901, 0xa01 }; | |
249 | static const u16 NCT6775_REG_FAN_MODE[] = { | |
250 | 0x102, 0x202, 0x302, 0x802, 0x902, 0xa02 }; | |
cdcaeceb | 251 | static const u16 NCT6775_REG_FAN_STEP_DOWN_TIME[] = { |
578ab5f0 | 252 | 0x103, 0x203, 0x303, 0x803, 0x903, 0xa03 }; |
cdcaeceb | 253 | static const u16 NCT6775_REG_FAN_STEP_UP_TIME[] = { |
578ab5f0 | 254 | 0x104, 0x204, 0x304, 0x804, 0x904, 0xa04 }; |
cdcaeceb | 255 | static const u16 NCT6775_REG_FAN_STOP_OUTPUT[] = { |
578ab5f0 DB |
256 | 0x105, 0x205, 0x305, 0x805, 0x905, 0xa05 }; |
257 | static const u16 NCT6775_REG_FAN_START_OUTPUT[] = { | |
258 | 0x106, 0x206, 0x306, 0x806, 0x906, 0xa06 }; | |
cdcaeceb GR |
259 | static const u16 NCT6775_REG_FAN_MAX_OUTPUT[] = { 0x10a, 0x20a, 0x30a }; |
260 | static const u16 NCT6775_REG_FAN_STEP_OUTPUT[] = { 0x10b, 0x20b, 0x30b }; | |
261 | ||
262 | static const u16 NCT6775_REG_FAN_STOP_TIME[] = { | |
578ab5f0 DB |
263 | 0x107, 0x207, 0x307, 0x807, 0x907, 0xa07 }; |
264 | static const u16 NCT6775_REG_PWM[] = { | |
265 | 0x109, 0x209, 0x309, 0x809, 0x909, 0xa09 }; | |
266 | static const u16 NCT6775_REG_PWM_READ[] = { | |
267 | 0x01, 0x03, 0x11, 0x13, 0x15, 0xa09 }; | |
77eb5b37 | 268 | |
1c65dc36 GR |
269 | static const u16 NCT6775_REG_FAN[] = { 0x630, 0x632, 0x634, 0x636, 0x638 }; |
270 | static const u16 NCT6775_REG_FAN_MIN[] = { 0x3b, 0x3c, 0x3d }; | |
5c25d954 | 271 | static const u16 NCT6775_REG_FAN_PULSES[] = { 0x641, 0x642, 0x643, 0x644, 0 }; |
578ab5f0 | 272 | static const u16 NCT6775_FAN_PULSE_SHIFT[] = { 0, 0, 0, 0, 0, 0 }; |
1c65dc36 | 273 | |
aa136e5d GR |
274 | static const u16 NCT6775_REG_TEMP[] = { |
275 | 0x27, 0x150, 0x250, 0x62b, 0x62c, 0x62d }; | |
276 | ||
277 | static const u16 NCT6775_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6775_REG_TEMP)] = { | |
278 | 0, 0x152, 0x252, 0x628, 0x629, 0x62A }; | |
279 | static const u16 NCT6775_REG_TEMP_HYST[ARRAY_SIZE(NCT6775_REG_TEMP)] = { | |
280 | 0x3a, 0x153, 0x253, 0x673, 0x678, 0x67D }; | |
281 | static const u16 NCT6775_REG_TEMP_OVER[ARRAY_SIZE(NCT6775_REG_TEMP)] = { | |
282 | 0x39, 0x155, 0x255, 0x672, 0x677, 0x67C }; | |
283 | ||
284 | static const u16 NCT6775_REG_TEMP_SOURCE[ARRAY_SIZE(NCT6775_REG_TEMP)] = { | |
285 | 0x621, 0x622, 0x623, 0x624, 0x625, 0x626 }; | |
286 | ||
cdcaeceb | 287 | static const u16 NCT6775_REG_TEMP_SEL[] = { |
578ab5f0 | 288 | 0x100, 0x200, 0x300, 0x800, 0x900, 0xa00 }; |
cdcaeceb | 289 | |
bbd8decd | 290 | static const u16 NCT6775_REG_WEIGHT_TEMP_SEL[] = { |
578ab5f0 | 291 | 0x139, 0x239, 0x339, 0x839, 0x939, 0xa39 }; |
bbd8decd | 292 | static const u16 NCT6775_REG_WEIGHT_TEMP_STEP[] = { |
578ab5f0 | 293 | 0x13a, 0x23a, 0x33a, 0x83a, 0x93a, 0xa3a }; |
bbd8decd | 294 | static const u16 NCT6775_REG_WEIGHT_TEMP_STEP_TOL[] = { |
578ab5f0 | 295 | 0x13b, 0x23b, 0x33b, 0x83b, 0x93b, 0xa3b }; |
bbd8decd | 296 | static const u16 NCT6775_REG_WEIGHT_DUTY_STEP[] = { |
578ab5f0 | 297 | 0x13c, 0x23c, 0x33c, 0x83c, 0x93c, 0xa3c }; |
bbd8decd | 298 | static const u16 NCT6775_REG_WEIGHT_TEMP_BASE[] = { |
578ab5f0 | 299 | 0x13d, 0x23d, 0x33d, 0x83d, 0x93d, 0xa3d }; |
bbd8decd | 300 | |
aa136e5d GR |
301 | static const u16 NCT6775_REG_TEMP_OFFSET[] = { 0x454, 0x455, 0x456 }; |
302 | ||
cdcaeceb | 303 | static const u16 NCT6775_REG_AUTO_TEMP[] = { |
578ab5f0 | 304 | 0x121, 0x221, 0x321, 0x821, 0x921, 0xa21 }; |
cdcaeceb | 305 | static const u16 NCT6775_REG_AUTO_PWM[] = { |
578ab5f0 | 306 | 0x127, 0x227, 0x327, 0x827, 0x927, 0xa27 }; |
cdcaeceb GR |
307 | |
308 | #define NCT6775_AUTO_TEMP(data, nr, p) ((data)->REG_AUTO_TEMP[nr] + (p)) | |
309 | #define NCT6775_AUTO_PWM(data, nr, p) ((data)->REG_AUTO_PWM[nr] + (p)) | |
310 | ||
311 | static const u16 NCT6775_REG_CRITICAL_ENAB[] = { 0x134, 0x234, 0x334 }; | |
312 | ||
313 | static const u16 NCT6775_REG_CRITICAL_TEMP[] = { | |
578ab5f0 | 314 | 0x135, 0x235, 0x335, 0x835, 0x935, 0xa35 }; |
cdcaeceb | 315 | static const u16 NCT6775_REG_CRITICAL_TEMP_TOLERANCE[] = { |
578ab5f0 | 316 | 0x138, 0x238, 0x338, 0x838, 0x938, 0xa38 }; |
cdcaeceb | 317 | |
aa136e5d GR |
318 | static const char *const nct6775_temp_label[] = { |
319 | "", | |
320 | "SYSTIN", | |
321 | "CPUTIN", | |
322 | "AUXTIN", | |
323 | "AMD SB-TSI", | |
324 | "PECI Agent 0", | |
325 | "PECI Agent 1", | |
326 | "PECI Agent 2", | |
327 | "PECI Agent 3", | |
328 | "PECI Agent 4", | |
329 | "PECI Agent 5", | |
330 | "PECI Agent 6", | |
331 | "PECI Agent 7", | |
332 | "PCH_CHIP_CPU_MAX_TEMP", | |
333 | "PCH_CHIP_TEMP", | |
334 | "PCH_CPU_TEMP", | |
335 | "PCH_MCH_TEMP", | |
336 | "PCH_DIM0_TEMP", | |
337 | "PCH_DIM1_TEMP", | |
338 | "PCH_DIM2_TEMP", | |
339 | "PCH_DIM3_TEMP" | |
340 | }; | |
341 | ||
342 | static const u16 NCT6775_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6775_temp_label) - 1] | |
343 | = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x661, 0x662, 0x664 }; | |
344 | ||
345 | static const u16 NCT6775_REG_TEMP_CRIT[ARRAY_SIZE(nct6775_temp_label) - 1] | |
346 | = { 0, 0, 0, 0, 0xa00, 0xa01, 0xa02, 0xa03, 0xa04, 0xa05, 0xa06, | |
347 | 0xa07 }; | |
348 | ||
9de2e2e8 GR |
349 | /* NCT6776 specific data */ |
350 | ||
351 | static const s8 NCT6776_ALARM_BITS[] = { | |
352 | 0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */ | |
353 | 17, -1, -1, -1, -1, -1, -1, /* in8..in14 */ | |
354 | -1, /* unused */ | |
355 | 6, 7, 11, 10, 23, /* fan1..fan5 */ | |
356 | -1, -1, -1, /* unused */ | |
357 | 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ | |
358 | 12, 9 }; /* intrusion0, intrusion1 */ | |
359 | ||
30846993 GR |
360 | static const u16 NCT6776_REG_BEEP[NUM_REG_BEEP] = { 0xb2, 0xb3, 0xb4, 0xb5 }; |
361 | ||
362 | static const s8 NCT6776_BEEP_BITS[] = { | |
363 | 0, 1, 2, 3, 4, 5, 6, 7, /* in0.. in7 */ | |
364 | 8, -1, -1, -1, -1, -1, -1, /* in8..in14 */ | |
365 | 24, /* global beep enable */ | |
366 | 25, 26, 27, 28, 29, /* fan1..fan5 */ | |
367 | -1, -1, -1, /* unused */ | |
368 | 16, 17, 18, 19, 20, 21, /* temp1..temp6 */ | |
369 | 30, 31 }; /* intrusion0, intrusion1 */ | |
370 | ||
cdcaeceb | 371 | static const u16 NCT6776_REG_TOLERANCE_H[] = { |
578ab5f0 | 372 | 0x10c, 0x20c, 0x30c, 0x80c, 0x90c, 0xa0c }; |
cdcaeceb | 373 | |
578ab5f0 DB |
374 | static const u8 NCT6776_REG_PWM_MODE[] = { 0x04, 0, 0, 0, 0, 0 }; |
375 | static const u8 NCT6776_PWM_MODE_MASK[] = { 0x01, 0, 0, 0, 0, 0 }; | |
77eb5b37 | 376 | |
1c65dc36 | 377 | static const u16 NCT6776_REG_FAN_MIN[] = { 0x63a, 0x63c, 0x63e, 0x640, 0x642 }; |
5c25d954 | 378 | static const u16 NCT6776_REG_FAN_PULSES[] = { 0x644, 0x645, 0x646, 0, 0 }; |
1c65dc36 | 379 | |
bbd8decd | 380 | static const u16 NCT6776_REG_WEIGHT_DUTY_BASE[] = { |
578ab5f0 | 381 | 0x13e, 0x23e, 0x33e, 0x83e, 0x93e, 0xa3e }; |
bbd8decd | 382 | |
aa136e5d GR |
383 | static const u16 NCT6776_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6775_REG_TEMP)] = { |
384 | 0x18, 0x152, 0x252, 0x628, 0x629, 0x62A }; | |
385 | ||
386 | static const char *const nct6776_temp_label[] = { | |
387 | "", | |
388 | "SYSTIN", | |
389 | "CPUTIN", | |
390 | "AUXTIN", | |
391 | "SMBUSMASTER 0", | |
392 | "SMBUSMASTER 1", | |
393 | "SMBUSMASTER 2", | |
394 | "SMBUSMASTER 3", | |
395 | "SMBUSMASTER 4", | |
396 | "SMBUSMASTER 5", | |
397 | "SMBUSMASTER 6", | |
398 | "SMBUSMASTER 7", | |
399 | "PECI Agent 0", | |
400 | "PECI Agent 1", | |
401 | "PCH_CHIP_CPU_MAX_TEMP", | |
402 | "PCH_CHIP_TEMP", | |
403 | "PCH_CPU_TEMP", | |
404 | "PCH_MCH_TEMP", | |
405 | "PCH_DIM0_TEMP", | |
406 | "PCH_DIM1_TEMP", | |
407 | "PCH_DIM2_TEMP", | |
408 | "PCH_DIM3_TEMP", | |
409 | "BYTE_TEMP" | |
410 | }; | |
411 | ||
412 | static const u16 NCT6776_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6776_temp_label) - 1] | |
413 | = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x401, 0x402, 0x404 }; | |
414 | ||
415 | static const u16 NCT6776_REG_TEMP_CRIT[ARRAY_SIZE(nct6776_temp_label) - 1] | |
416 | = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x709, 0x70a }; | |
417 | ||
9de2e2e8 GR |
418 | /* NCT6779 specific data */ |
419 | ||
420 | static const u16 NCT6779_REG_IN[] = { | |
421 | 0x480, 0x481, 0x482, 0x483, 0x484, 0x485, 0x486, 0x487, | |
422 | 0x488, 0x489, 0x48a, 0x48b, 0x48c, 0x48d, 0x48e }; | |
423 | ||
424 | static const u16 NCT6779_REG_ALARM[NUM_REG_ALARM] = { | |
425 | 0x459, 0x45A, 0x45B, 0x568 }; | |
426 | ||
427 | static const s8 NCT6779_ALARM_BITS[] = { | |
428 | 0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */ | |
429 | 17, 24, 25, 26, 27, 28, 29, /* in8..in14 */ | |
430 | -1, /* unused */ | |
431 | 6, 7, 11, 10, 23, /* fan1..fan5 */ | |
432 | -1, -1, -1, /* unused */ | |
433 | 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ | |
434 | 12, 9 }; /* intrusion0, intrusion1 */ | |
435 | ||
30846993 GR |
436 | static const s8 NCT6779_BEEP_BITS[] = { |
437 | 0, 1, 2, 3, 4, 5, 6, 7, /* in0.. in7 */ | |
438 | 8, 9, 10, 11, 12, 13, 14, /* in8..in14 */ | |
439 | 24, /* global beep enable */ | |
440 | 25, 26, 27, 28, 29, /* fan1..fan5 */ | |
441 | -1, -1, -1, /* unused */ | |
442 | 16, 17, -1, -1, -1, -1, /* temp1..temp6 */ | |
443 | 30, 31 }; /* intrusion0, intrusion1 */ | |
444 | ||
578ab5f0 DB |
445 | static const u16 NCT6779_REG_FAN[] = { |
446 | 0x4b0, 0x4b2, 0x4b4, 0x4b6, 0x4b8, 0x4ba }; | |
5c25d954 | 447 | static const u16 NCT6779_REG_FAN_PULSES[] = { |
578ab5f0 | 448 | 0x644, 0x645, 0x646, 0x647, 0x648, 0x649 }; |
1c65dc36 | 449 | |
cdcaeceb | 450 | static const u16 NCT6779_REG_CRITICAL_PWM_ENABLE[] = { |
578ab5f0 | 451 | 0x136, 0x236, 0x336, 0x836, 0x936, 0xa36 }; |
6c009501 | 452 | #define NCT6779_CRITICAL_PWM_ENABLE_MASK 0x01 |
cdcaeceb | 453 | static const u16 NCT6779_REG_CRITICAL_PWM[] = { |
578ab5f0 | 454 | 0x137, 0x237, 0x337, 0x837, 0x937, 0xa37 }; |
cdcaeceb | 455 | |
aa136e5d GR |
456 | static const u16 NCT6779_REG_TEMP[] = { 0x27, 0x150 }; |
457 | static const u16 NCT6779_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6779_REG_TEMP)] = { | |
458 | 0x18, 0x152 }; | |
459 | static const u16 NCT6779_REG_TEMP_HYST[ARRAY_SIZE(NCT6779_REG_TEMP)] = { | |
460 | 0x3a, 0x153 }; | |
461 | static const u16 NCT6779_REG_TEMP_OVER[ARRAY_SIZE(NCT6779_REG_TEMP)] = { | |
462 | 0x39, 0x155 }; | |
463 | ||
464 | static const u16 NCT6779_REG_TEMP_OFFSET[] = { | |
465 | 0x454, 0x455, 0x456, 0x44a, 0x44b, 0x44c }; | |
466 | ||
467 | static const char *const nct6779_temp_label[] = { | |
468 | "", | |
469 | "SYSTIN", | |
470 | "CPUTIN", | |
471 | "AUXTIN0", | |
472 | "AUXTIN1", | |
473 | "AUXTIN2", | |
474 | "AUXTIN3", | |
475 | "", | |
476 | "SMBUSMASTER 0", | |
477 | "SMBUSMASTER 1", | |
478 | "SMBUSMASTER 2", | |
479 | "SMBUSMASTER 3", | |
480 | "SMBUSMASTER 4", | |
481 | "SMBUSMASTER 5", | |
482 | "SMBUSMASTER 6", | |
483 | "SMBUSMASTER 7", | |
484 | "PECI Agent 0", | |
485 | "PECI Agent 1", | |
486 | "PCH_CHIP_CPU_MAX_TEMP", | |
487 | "PCH_CHIP_TEMP", | |
488 | "PCH_CPU_TEMP", | |
489 | "PCH_MCH_TEMP", | |
490 | "PCH_DIM0_TEMP", | |
491 | "PCH_DIM1_TEMP", | |
492 | "PCH_DIM2_TEMP", | |
493 | "PCH_DIM3_TEMP", | |
494 | "BYTE_TEMP" | |
495 | }; | |
496 | ||
497 | static const u16 NCT6779_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6779_temp_label) - 1] | |
498 | = { 0x490, 0x491, 0x492, 0x493, 0x494, 0x495, 0, 0, | |
499 | 0, 0, 0, 0, 0, 0, 0, 0, | |
500 | 0, 0x400, 0x401, 0x402, 0x404, 0x405, 0x406, 0x407, | |
501 | 0x408, 0 }; | |
502 | ||
503 | static const u16 NCT6779_REG_TEMP_CRIT[ARRAY_SIZE(nct6779_temp_label) - 1] | |
504 | = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x709, 0x70a }; | |
505 | ||
578ab5f0 DB |
506 | /* NCT6791 specific data */ |
507 | ||
508 | #define NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE 0x28 | |
509 | ||
510 | static const u16 NCT6791_REG_ALARM[NUM_REG_ALARM] = { | |
511 | 0x459, 0x45A, 0x45B, 0x568, 0x45D }; | |
512 | ||
513 | static const s8 NCT6791_ALARM_BITS[] = { | |
514 | 0, 1, 2, 3, 8, 21, 20, 16, /* in0.. in7 */ | |
515 | 17, 24, 25, 26, 27, 28, 29, /* in8..in14 */ | |
516 | -1, /* unused */ | |
517 | 6, 7, 11, 10, 23, 33, /* fan1..fan6 */ | |
518 | -1, -1, /* unused */ | |
519 | 4, 5, 13, -1, -1, -1, /* temp1..temp6 */ | |
520 | 12, 9 }; /* intrusion0, intrusion1 */ | |
521 | ||
522 | ||
6c009501 GR |
523 | /* NCT6102D/NCT6106D specific data */ |
524 | ||
525 | #define NCT6106_REG_VBAT 0x318 | |
526 | #define NCT6106_REG_DIODE 0x319 | |
527 | #define NCT6106_DIODE_MASK 0x01 | |
528 | ||
529 | static const u16 NCT6106_REG_IN_MAX[] = { | |
530 | 0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9e, 0xa0, 0xa2 }; | |
531 | static const u16 NCT6106_REG_IN_MIN[] = { | |
532 | 0x91, 0x93, 0x95, 0x97, 0x99, 0x9b, 0x9f, 0xa1, 0xa3 }; | |
533 | static const u16 NCT6106_REG_IN[] = { | |
534 | 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x07, 0x08, 0x09 }; | |
535 | ||
536 | static const u16 NCT6106_REG_TEMP[] = { 0x10, 0x11, 0x12, 0x13, 0x14, 0x15 }; | |
537 | static const u16 NCT6106_REG_TEMP_HYST[] = { | |
538 | 0xc3, 0xc7, 0xcb, 0xcf, 0xd3, 0xd7 }; | |
539 | static const u16 NCT6106_REG_TEMP_OVER[] = { | |
b7a61353 GR |
540 | 0xc2, 0xc6, 0xca, 0xce, 0xd2, 0xd6 }; |
541 | static const u16 NCT6106_REG_TEMP_CRIT_L[] = { | |
542 | 0xc0, 0xc4, 0xc8, 0xcc, 0xd0, 0xd4 }; | |
543 | static const u16 NCT6106_REG_TEMP_CRIT_H[] = { | |
544 | 0xc1, 0xc5, 0xc9, 0xcf, 0xd1, 0xd5 }; | |
6c009501 GR |
545 | static const u16 NCT6106_REG_TEMP_OFFSET[] = { 0x311, 0x312, 0x313 }; |
546 | static const u16 NCT6106_REG_TEMP_CONFIG[] = { | |
547 | 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc }; | |
548 | ||
549 | static const u16 NCT6106_REG_FAN[] = { 0x20, 0x22, 0x24 }; | |
550 | static const u16 NCT6106_REG_FAN_MIN[] = { 0xe0, 0xe2, 0xe4 }; | |
551 | static const u16 NCT6106_REG_FAN_PULSES[] = { 0xf6, 0xf6, 0xf6, 0, 0 }; | |
552 | static const u16 NCT6106_FAN_PULSE_SHIFT[] = { 0, 2, 4, 0, 0 }; | |
553 | ||
554 | static const u8 NCT6106_REG_PWM_MODE[] = { 0xf3, 0xf3, 0xf3 }; | |
555 | static const u8 NCT6106_PWM_MODE_MASK[] = { 0x01, 0x02, 0x04 }; | |
556 | static const u16 NCT6106_REG_PWM[] = { 0x119, 0x129, 0x139 }; | |
557 | static const u16 NCT6106_REG_PWM_READ[] = { 0x4a, 0x4b, 0x4c }; | |
558 | static const u16 NCT6106_REG_FAN_MODE[] = { 0x113, 0x123, 0x133 }; | |
559 | static const u16 NCT6106_REG_TEMP_SEL[] = { 0x110, 0x120, 0x130 }; | |
560 | static const u16 NCT6106_REG_TEMP_SOURCE[] = { | |
561 | 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5 }; | |
562 | ||
563 | static const u16 NCT6106_REG_CRITICAL_TEMP[] = { 0x11a, 0x12a, 0x13a }; | |
564 | static const u16 NCT6106_REG_CRITICAL_TEMP_TOLERANCE[] = { | |
565 | 0x11b, 0x12b, 0x13b }; | |
566 | ||
567 | static const u16 NCT6106_REG_CRITICAL_PWM_ENABLE[] = { 0x11c, 0x12c, 0x13c }; | |
568 | #define NCT6106_CRITICAL_PWM_ENABLE_MASK 0x10 | |
569 | static const u16 NCT6106_REG_CRITICAL_PWM[] = { 0x11d, 0x12d, 0x13d }; | |
570 | ||
571 | static const u16 NCT6106_REG_FAN_STEP_UP_TIME[] = { 0x114, 0x124, 0x134 }; | |
572 | static const u16 NCT6106_REG_FAN_STEP_DOWN_TIME[] = { 0x115, 0x125, 0x135 }; | |
573 | static const u16 NCT6106_REG_FAN_STOP_OUTPUT[] = { 0x116, 0x126, 0x136 }; | |
574 | static const u16 NCT6106_REG_FAN_START_OUTPUT[] = { 0x117, 0x127, 0x137 }; | |
575 | static const u16 NCT6106_REG_FAN_STOP_TIME[] = { 0x118, 0x128, 0x138 }; | |
576 | static const u16 NCT6106_REG_TOLERANCE_H[] = { 0x112, 0x122, 0x132 }; | |
577 | ||
578 | static const u16 NCT6106_REG_TARGET[] = { 0x111, 0x121, 0x131 }; | |
579 | ||
580 | static const u16 NCT6106_REG_WEIGHT_TEMP_SEL[] = { 0x168, 0x178, 0x188 }; | |
581 | static const u16 NCT6106_REG_WEIGHT_TEMP_STEP[] = { 0x169, 0x179, 0x189 }; | |
582 | static const u16 NCT6106_REG_WEIGHT_TEMP_STEP_TOL[] = { 0x16a, 0x17a, 0x18a }; | |
583 | static const u16 NCT6106_REG_WEIGHT_DUTY_STEP[] = { 0x16b, 0x17b, 0x17c }; | |
584 | static const u16 NCT6106_REG_WEIGHT_TEMP_BASE[] = { 0x16c, 0x17c, 0x18c }; | |
585 | static const u16 NCT6106_REG_WEIGHT_DUTY_BASE[] = { 0x16d, 0x17d, 0x18d }; | |
586 | ||
587 | static const u16 NCT6106_REG_AUTO_TEMP[] = { 0x160, 0x170, 0x180 }; | |
588 | static const u16 NCT6106_REG_AUTO_PWM[] = { 0x164, 0x174, 0x184 }; | |
589 | ||
590 | static const u16 NCT6106_REG_ALARM[NUM_REG_ALARM] = { | |
591 | 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d }; | |
592 | ||
593 | static const s8 NCT6106_ALARM_BITS[] = { | |
594 | 0, 1, 2, 3, 4, 5, 7, 8, /* in0.. in7 */ | |
595 | 9, -1, -1, -1, -1, -1, -1, /* in8..in14 */ | |
596 | -1, /* unused */ | |
597 | 32, 33, 34, -1, -1, /* fan1..fan5 */ | |
598 | -1, -1, -1, /* unused */ | |
599 | 16, 17, 18, 19, 20, 21, /* temp1..temp6 */ | |
600 | 48, -1 /* intrusion0, intrusion1 */ | |
601 | }; | |
602 | ||
30846993 GR |
603 | static const u16 NCT6106_REG_BEEP[NUM_REG_BEEP] = { |
604 | 0x3c0, 0x3c1, 0x3c2, 0x3c3, 0x3c4 }; | |
605 | ||
606 | static const s8 NCT6106_BEEP_BITS[] = { | |
607 | 0, 1, 2, 3, 4, 5, 7, 8, /* in0.. in7 */ | |
608 | 9, 10, 11, 12, -1, -1, -1, /* in8..in14 */ | |
609 | 32, /* global beep enable */ | |
610 | 24, 25, 26, 27, 28, /* fan1..fan5 */ | |
611 | -1, -1, -1, /* unused */ | |
612 | 16, 17, 18, 19, 20, 21, /* temp1..temp6 */ | |
613 | 34, -1 /* intrusion0, intrusion1 */ | |
614 | }; | |
615 | ||
6c009501 GR |
616 | static const u16 NCT6106_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6776_temp_label) - 1] |
617 | = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x51, 0x52, 0x54 }; | |
618 | ||
619 | static const u16 NCT6106_REG_TEMP_CRIT[ARRAY_SIZE(nct6776_temp_label) - 1] | |
620 | = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x204, 0x205 }; | |
621 | ||
77eb5b37 GR |
622 | static enum pwm_enable reg_to_pwm_enable(int pwm, int mode) |
623 | { | |
624 | if (mode == 0 && pwm == 255) | |
625 | return off; | |
626 | return mode + 1; | |
627 | } | |
628 | ||
629 | static int pwm_enable_to_reg(enum pwm_enable mode) | |
630 | { | |
631 | if (mode == off) | |
632 | return 0; | |
633 | return mode - 1; | |
634 | } | |
635 | ||
9de2e2e8 GR |
636 | /* |
637 | * Conversions | |
638 | */ | |
639 | ||
cdcaeceb GR |
640 | /* 1 is DC mode, output in ms */ |
641 | static unsigned int step_time_from_reg(u8 reg, u8 mode) | |
642 | { | |
643 | return mode ? 400 * reg : 100 * reg; | |
644 | } | |
645 | ||
646 | static u8 step_time_to_reg(unsigned int msec, u8 mode) | |
647 | { | |
648 | return clamp_val((mode ? (msec + 200) / 400 : | |
649 | (msec + 50) / 100), 1, 255); | |
650 | } | |
651 | ||
1c65dc36 GR |
652 | static unsigned int fan_from_reg8(u16 reg, unsigned int divreg) |
653 | { | |
654 | if (reg == 0 || reg == 255) | |
655 | return 0; | |
656 | return 1350000U / (reg << divreg); | |
657 | } | |
658 | ||
659 | static unsigned int fan_from_reg13(u16 reg, unsigned int divreg) | |
660 | { | |
661 | if ((reg & 0xff1f) == 0xff1f) | |
662 | return 0; | |
663 | ||
664 | reg = (reg & 0x1f) | ((reg & 0xff00) >> 3); | |
665 | ||
666 | if (reg == 0) | |
667 | return 0; | |
668 | ||
669 | return 1350000U / reg; | |
670 | } | |
671 | ||
672 | static unsigned int fan_from_reg16(u16 reg, unsigned int divreg) | |
673 | { | |
674 | if (reg == 0 || reg == 0xffff) | |
675 | return 0; | |
676 | ||
677 | /* | |
678 | * Even though the registers are 16 bit wide, the fan divisor | |
679 | * still applies. | |
680 | */ | |
681 | return 1350000U / (reg << divreg); | |
682 | } | |
683 | ||
cdcaeceb GR |
684 | static u16 fan_to_reg(u32 fan, unsigned int divreg) |
685 | { | |
686 | if (!fan) | |
687 | return 0; | |
688 | ||
689 | return (1350000U / fan) >> divreg; | |
690 | } | |
691 | ||
1c65dc36 GR |
692 | static inline unsigned int |
693 | div_from_reg(u8 reg) | |
694 | { | |
695 | return 1 << reg; | |
696 | } | |
697 | ||
9de2e2e8 GR |
698 | /* |
699 | * Some of the voltage inputs have internal scaling, the tables below | |
700 | * contain 8 (the ADC LSB in mV) * scaling factor * 100 | |
701 | */ | |
702 | static const u16 scale_in[15] = { | |
703 | 800, 800, 1600, 1600, 800, 800, 800, 1600, 1600, 800, 800, 800, 800, | |
704 | 800, 800 | |
705 | }; | |
706 | ||
707 | static inline long in_from_reg(u8 reg, u8 nr) | |
708 | { | |
709 | return DIV_ROUND_CLOSEST(reg * scale_in[nr], 100); | |
710 | } | |
711 | ||
712 | static inline u8 in_to_reg(u32 val, u8 nr) | |
713 | { | |
714 | return clamp_val(DIV_ROUND_CLOSEST(val * 100, scale_in[nr]), 0, 255); | |
715 | } | |
716 | ||
717 | /* | |
718 | * Data structures and manipulation thereof | |
719 | */ | |
720 | ||
721 | struct nct6775_data { | |
722 | int addr; /* IO base of hw monitor block */ | |
df612d5f | 723 | int sioreg; /* SIO register address */ |
9de2e2e8 GR |
724 | enum kinds kind; |
725 | const char *name; | |
726 | ||
727 | struct device *hwmon_dev; | |
f73cf632 GR |
728 | struct attribute_group *group_in; |
729 | struct attribute_group *group_fan; | |
730 | struct attribute_group *group_temp; | |
731 | struct attribute_group *group_pwm; | |
9de2e2e8 | 732 | |
b7a61353 GR |
733 | u16 reg_temp[5][NUM_TEMP]; /* 0=temp, 1=temp_over, 2=temp_hyst, |
734 | * 3=temp_crit, 4=temp_lcrit | |
aa136e5d GR |
735 | */ |
736 | u8 temp_src[NUM_TEMP]; | |
737 | u16 reg_temp_config[NUM_TEMP]; | |
738 | const char * const *temp_label; | |
739 | int temp_label_num; | |
740 | ||
9de2e2e8 GR |
741 | u16 REG_CONFIG; |
742 | u16 REG_VBAT; | |
aa136e5d | 743 | u16 REG_DIODE; |
6c009501 | 744 | u8 DIODE_MASK; |
9de2e2e8 GR |
745 | |
746 | const s8 *ALARM_BITS; | |
30846993 | 747 | const s8 *BEEP_BITS; |
9de2e2e8 GR |
748 | |
749 | const u16 *REG_VIN; | |
750 | const u16 *REG_IN_MINMAX[2]; | |
751 | ||
cdcaeceb | 752 | const u16 *REG_TARGET; |
1c65dc36 | 753 | const u16 *REG_FAN; |
77eb5b37 | 754 | const u16 *REG_FAN_MODE; |
1c65dc36 | 755 | const u16 *REG_FAN_MIN; |
5c25d954 | 756 | const u16 *REG_FAN_PULSES; |
6c009501 | 757 | const u16 *FAN_PULSE_SHIFT; |
cdcaeceb GR |
758 | const u16 *REG_FAN_TIME[3]; |
759 | ||
760 | const u16 *REG_TOLERANCE_H; | |
aa136e5d | 761 | |
77eb5b37 GR |
762 | const u8 *REG_PWM_MODE; |
763 | const u8 *PWM_MODE_MASK; | |
764 | ||
bbd8decd GR |
765 | const u16 *REG_PWM[7]; /* [0]=pwm, [1]=pwm_start, [2]=pwm_floor, |
766 | * [3]=pwm_max, [4]=pwm_step, | |
767 | * [5]=weight_duty_step, [6]=weight_duty_base | |
cdcaeceb | 768 | */ |
77eb5b37 GR |
769 | const u16 *REG_PWM_READ; |
770 | ||
6c009501 GR |
771 | const u16 *REG_CRITICAL_PWM_ENABLE; |
772 | u8 CRITICAL_PWM_ENABLE_MASK; | |
773 | const u16 *REG_CRITICAL_PWM; | |
774 | ||
cdcaeceb GR |
775 | const u16 *REG_AUTO_TEMP; |
776 | const u16 *REG_AUTO_PWM; | |
777 | ||
778 | const u16 *REG_CRITICAL_TEMP; | |
779 | const u16 *REG_CRITICAL_TEMP_TOLERANCE; | |
780 | ||
1c65dc36 | 781 | const u16 *REG_TEMP_SOURCE; /* temp register sources */ |
cdcaeceb | 782 | const u16 *REG_TEMP_SEL; |
bbd8decd GR |
783 | const u16 *REG_WEIGHT_TEMP_SEL; |
784 | const u16 *REG_WEIGHT_TEMP[3]; /* 0=base, 1=tolerance, 2=step */ | |
785 | ||
aa136e5d GR |
786 | const u16 *REG_TEMP_OFFSET; |
787 | ||
9de2e2e8 | 788 | const u16 *REG_ALARM; |
30846993 | 789 | const u16 *REG_BEEP; |
9de2e2e8 | 790 | |
1c65dc36 GR |
791 | unsigned int (*fan_from_reg)(u16 reg, unsigned int divreg); |
792 | unsigned int (*fan_from_reg_min)(u16 reg, unsigned int divreg); | |
793 | ||
9de2e2e8 GR |
794 | struct mutex update_lock; |
795 | bool valid; /* true if following fields are valid */ | |
796 | unsigned long last_updated; /* In jiffies */ | |
797 | ||
798 | /* Register values */ | |
799 | u8 bank; /* current register bank */ | |
800 | u8 in_num; /* number of in inputs we have */ | |
801 | u8 in[15][3]; /* [0]=in, [1]=in_max, [2]=in_min */ | |
578ab5f0 DB |
802 | unsigned int rpm[NUM_FAN]; |
803 | u16 fan_min[NUM_FAN]; | |
804 | u8 fan_pulses[NUM_FAN]; | |
805 | u8 fan_div[NUM_FAN]; | |
77eb5b37 | 806 | u8 has_pwm; |
1c65dc36 GR |
807 | u8 has_fan; /* some fan inputs can be disabled */ |
808 | u8 has_fan_min; /* some fans don't have min register */ | |
809 | bool has_fan_div; | |
9de2e2e8 | 810 | |
6c009501 | 811 | u8 num_temp_alarms; /* 2, 3, or 6 */ |
30846993 | 812 | u8 num_temp_beeps; /* 2, 3, or 6 */ |
aa136e5d GR |
813 | u8 temp_fixed_num; /* 3 or 6 */ |
814 | u8 temp_type[NUM_TEMP_FIXED]; | |
815 | s8 temp_offset[NUM_TEMP_FIXED]; | |
f58876ac DC |
816 | s16 temp[5][NUM_TEMP]; /* 0=temp, 1=temp_over, 2=temp_hyst, |
817 | * 3=temp_crit, 4=temp_lcrit */ | |
9de2e2e8 | 818 | u64 alarms; |
30846993 | 819 | u64 beeps; |
9de2e2e8 | 820 | |
77eb5b37 | 821 | u8 pwm_num; /* number of pwm */ |
578ab5f0 DB |
822 | u8 pwm_mode[NUM_FAN]; /* 1->DC variable voltage, |
823 | * 0->PWM variable duty cycle | |
824 | */ | |
825 | enum pwm_enable pwm_enable[NUM_FAN]; | |
77eb5b37 GR |
826 | /* 0->off |
827 | * 1->manual | |
828 | * 2->thermal cruise mode (also called SmartFan I) | |
829 | * 3->fan speed cruise mode | |
830 | * 4->SmartFan III | |
831 | * 5->enhanced variable thermal cruise (SmartFan IV) | |
832 | */ | |
578ab5f0 DB |
833 | u8 pwm[7][NUM_FAN]; /* [0]=pwm, [1]=pwm_start, [2]=pwm_floor, |
834 | * [3]=pwm_max, [4]=pwm_step, | |
835 | * [5]=weight_duty_step, [6]=weight_duty_base | |
836 | */ | |
cdcaeceb | 837 | |
578ab5f0 | 838 | u8 target_temp[NUM_FAN]; |
cdcaeceb | 839 | u8 target_temp_mask; |
578ab5f0 DB |
840 | u32 target_speed[NUM_FAN]; |
841 | u32 target_speed_tolerance[NUM_FAN]; | |
cdcaeceb GR |
842 | u8 speed_tolerance_limit; |
843 | ||
578ab5f0 | 844 | u8 temp_tolerance[2][NUM_FAN]; |
cdcaeceb GR |
845 | u8 tolerance_mask; |
846 | ||
578ab5f0 | 847 | u8 fan_time[3][NUM_FAN]; /* 0 = stop_time, 1 = step_up, 2 = step_down */ |
cdcaeceb GR |
848 | |
849 | /* Automatic fan speed control registers */ | |
850 | int auto_pwm_num; | |
578ab5f0 DB |
851 | u8 auto_pwm[NUM_FAN][7]; |
852 | u8 auto_temp[NUM_FAN][7]; | |
853 | u8 pwm_temp_sel[NUM_FAN]; | |
854 | u8 pwm_weight_temp_sel[NUM_FAN]; | |
855 | u8 weight_temp[3][NUM_FAN]; /* 0->temp_step, 1->temp_step_tol, | |
856 | * 2->temp_base | |
857 | */ | |
77eb5b37 | 858 | |
9de2e2e8 GR |
859 | u8 vid; |
860 | u8 vrm; | |
861 | ||
f73cf632 GR |
862 | bool have_vid; |
863 | ||
aa136e5d GR |
864 | u16 have_temp; |
865 | u16 have_temp_fixed; | |
9de2e2e8 | 866 | u16 have_in; |
84d19d92 GR |
867 | #ifdef CONFIG_PM |
868 | /* Remember extra register values over suspend/resume */ | |
869 | u8 vbat; | |
870 | u8 fandiv1; | |
871 | u8 fandiv2; | |
872 | #endif | |
9de2e2e8 GR |
873 | }; |
874 | ||
875 | struct nct6775_sio_data { | |
876 | int sioreg; | |
877 | enum kinds kind; | |
878 | }; | |
879 | ||
f73cf632 GR |
880 | struct sensor_device_template { |
881 | struct device_attribute dev_attr; | |
882 | union { | |
883 | struct { | |
884 | u8 nr; | |
885 | u8 index; | |
886 | } s; | |
887 | int index; | |
888 | } u; | |
889 | bool s2; /* true if both index and nr are used */ | |
890 | }; | |
891 | ||
892 | struct sensor_device_attr_u { | |
893 | union { | |
894 | struct sensor_device_attribute a1; | |
895 | struct sensor_device_attribute_2 a2; | |
896 | } u; | |
897 | char name[32]; | |
898 | }; | |
899 | ||
900 | #define __TEMPLATE_ATTR(_template, _mode, _show, _store) { \ | |
901 | .attr = {.name = _template, .mode = _mode }, \ | |
902 | .show = _show, \ | |
903 | .store = _store, \ | |
904 | } | |
905 | ||
906 | #define SENSOR_DEVICE_TEMPLATE(_template, _mode, _show, _store, _index) \ | |
907 | { .dev_attr = __TEMPLATE_ATTR(_template, _mode, _show, _store), \ | |
908 | .u.index = _index, \ | |
909 | .s2 = false } | |
910 | ||
911 | #define SENSOR_DEVICE_TEMPLATE_2(_template, _mode, _show, _store, \ | |
912 | _nr, _index) \ | |
913 | { .dev_attr = __TEMPLATE_ATTR(_template, _mode, _show, _store), \ | |
914 | .u.s.index = _index, \ | |
915 | .u.s.nr = _nr, \ | |
916 | .s2 = true } | |
917 | ||
918 | #define SENSOR_TEMPLATE(_name, _template, _mode, _show, _store, _index) \ | |
919 | static struct sensor_device_template sensor_dev_template_##_name \ | |
920 | = SENSOR_DEVICE_TEMPLATE(_template, _mode, _show, _store, \ | |
921 | _index) | |
922 | ||
923 | #define SENSOR_TEMPLATE_2(_name, _template, _mode, _show, _store, \ | |
924 | _nr, _index) \ | |
925 | static struct sensor_device_template sensor_dev_template_##_name \ | |
926 | = SENSOR_DEVICE_TEMPLATE_2(_template, _mode, _show, _store, \ | |
927 | _nr, _index) | |
928 | ||
929 | struct sensor_template_group { | |
930 | struct sensor_device_template **templates; | |
931 | umode_t (*is_visible)(struct kobject *, struct attribute *, int); | |
932 | int base; | |
933 | }; | |
934 | ||
935 | static struct attribute_group * | |
936 | nct6775_create_attr_group(struct device *dev, struct sensor_template_group *tg, | |
937 | int repeat) | |
938 | { | |
939 | struct attribute_group *group; | |
940 | struct sensor_device_attr_u *su; | |
941 | struct sensor_device_attribute *a; | |
942 | struct sensor_device_attribute_2 *a2; | |
943 | struct attribute **attrs; | |
944 | struct sensor_device_template **t; | |
945 | int err, i, j, count; | |
946 | ||
947 | if (repeat <= 0) | |
948 | return ERR_PTR(-EINVAL); | |
949 | ||
950 | t = tg->templates; | |
951 | for (count = 0; *t; t++, count++) | |
952 | ; | |
953 | ||
954 | if (count == 0) | |
955 | return ERR_PTR(-EINVAL); | |
956 | ||
957 | group = devm_kzalloc(dev, sizeof(*group), GFP_KERNEL); | |
958 | if (group == NULL) | |
959 | return ERR_PTR(-ENOMEM); | |
960 | ||
961 | attrs = devm_kzalloc(dev, sizeof(*attrs) * (repeat * count + 1), | |
962 | GFP_KERNEL); | |
963 | if (attrs == NULL) | |
964 | return ERR_PTR(-ENOMEM); | |
965 | ||
966 | su = devm_kzalloc(dev, sizeof(*su) * repeat * count, | |
967 | GFP_KERNEL); | |
968 | if (su == NULL) | |
969 | return ERR_PTR(-ENOMEM); | |
970 | ||
971 | group->attrs = attrs; | |
972 | group->is_visible = tg->is_visible; | |
973 | ||
974 | for (i = 0; i < repeat; i++) { | |
975 | t = tg->templates; | |
976 | for (j = 0; *t != NULL; j++) { | |
977 | snprintf(su->name, sizeof(su->name), | |
978 | (*t)->dev_attr.attr.name, tg->base + i); | |
979 | if ((*t)->s2) { | |
980 | a2 = &su->u.a2; | |
981 | a2->dev_attr.attr.name = su->name; | |
982 | a2->nr = (*t)->u.s.nr + i; | |
983 | a2->index = (*t)->u.s.index; | |
984 | a2->dev_attr.attr.mode = | |
985 | (*t)->dev_attr.attr.mode; | |
986 | a2->dev_attr.show = (*t)->dev_attr.show; | |
987 | a2->dev_attr.store = (*t)->dev_attr.store; | |
988 | *attrs = &a2->dev_attr.attr; | |
989 | } else { | |
990 | a = &su->u.a1; | |
991 | a->dev_attr.attr.name = su->name; | |
992 | a->index = (*t)->u.index + i; | |
993 | a->dev_attr.attr.mode = | |
994 | (*t)->dev_attr.attr.mode; | |
995 | a->dev_attr.show = (*t)->dev_attr.show; | |
996 | a->dev_attr.store = (*t)->dev_attr.store; | |
997 | *attrs = &a->dev_attr.attr; | |
998 | } | |
999 | attrs++; | |
1000 | su++; | |
1001 | t++; | |
1002 | } | |
1003 | } | |
1004 | ||
1005 | err = sysfs_create_group(&dev->kobj, group); | |
1006 | if (err) | |
1007 | return ERR_PTR(-ENOMEM); | |
1008 | ||
1009 | return group; | |
1010 | } | |
1011 | ||
9de2e2e8 GR |
1012 | static bool is_word_sized(struct nct6775_data *data, u16 reg) |
1013 | { | |
1014 | switch (data->kind) { | |
6c009501 GR |
1015 | case nct6106: |
1016 | return reg == 0x20 || reg == 0x22 || reg == 0x24 || | |
1017 | reg == 0xe0 || reg == 0xe2 || reg == 0xe4 || | |
1018 | reg == 0x111 || reg == 0x121 || reg == 0x131; | |
9de2e2e8 GR |
1019 | case nct6775: |
1020 | return (((reg & 0xff00) == 0x100 || | |
1021 | (reg & 0xff00) == 0x200) && | |
1022 | ((reg & 0x00ff) == 0x50 || | |
1023 | (reg & 0x00ff) == 0x53 || | |
1024 | (reg & 0x00ff) == 0x55)) || | |
1025 | (reg & 0xfff0) == 0x630 || | |
1026 | reg == 0x640 || reg == 0x642 || | |
1027 | reg == 0x662 || | |
1028 | ((reg & 0xfff0) == 0x650 && (reg & 0x000f) >= 0x06) || | |
1029 | reg == 0x73 || reg == 0x75 || reg == 0x77; | |
1030 | case nct6776: | |
1031 | return (((reg & 0xff00) == 0x100 || | |
1032 | (reg & 0xff00) == 0x200) && | |
1033 | ((reg & 0x00ff) == 0x50 || | |
1034 | (reg & 0x00ff) == 0x53 || | |
1035 | (reg & 0x00ff) == 0x55)) || | |
1036 | (reg & 0xfff0) == 0x630 || | |
1037 | reg == 0x402 || | |
1038 | reg == 0x640 || reg == 0x642 || | |
1039 | ((reg & 0xfff0) == 0x650 && (reg & 0x000f) >= 0x06) || | |
1040 | reg == 0x73 || reg == 0x75 || reg == 0x77; | |
1041 | case nct6779: | |
578ab5f0 | 1042 | case nct6791: |
9de2e2e8 | 1043 | return reg == 0x150 || reg == 0x153 || reg == 0x155 || |
578ab5f0 | 1044 | ((reg & 0xfff0) == 0x4b0 && (reg & 0x000f) < 0x0b) || |
9de2e2e8 GR |
1045 | reg == 0x402 || |
1046 | reg == 0x63a || reg == 0x63c || reg == 0x63e || | |
1047 | reg == 0x640 || reg == 0x642 || | |
1048 | reg == 0x73 || reg == 0x75 || reg == 0x77 || reg == 0x79 || | |
1049 | reg == 0x7b; | |
1050 | } | |
1051 | return false; | |
1052 | } | |
1053 | ||
1054 | /* | |
1055 | * On older chips, only registers 0x50-0x5f are banked. | |
1056 | * On more recent chips, all registers are banked. | |
1057 | * Assume that is the case and set the bank number for each access. | |
1058 | * Cache the bank number so it only needs to be set if it changes. | |
1059 | */ | |
1060 | static inline void nct6775_set_bank(struct nct6775_data *data, u16 reg) | |
1061 | { | |
1062 | u8 bank = reg >> 8; | |
1063 | if (data->bank != bank) { | |
1064 | outb_p(NCT6775_REG_BANK, data->addr + ADDR_REG_OFFSET); | |
1065 | outb_p(bank, data->addr + DATA_REG_OFFSET); | |
1066 | data->bank = bank; | |
1067 | } | |
1068 | } | |
1069 | ||
1070 | static u16 nct6775_read_value(struct nct6775_data *data, u16 reg) | |
1071 | { | |
1072 | int res, word_sized = is_word_sized(data, reg); | |
1073 | ||
9de2e2e8 GR |
1074 | nct6775_set_bank(data, reg); |
1075 | outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET); | |
1076 | res = inb_p(data->addr + DATA_REG_OFFSET); | |
1077 | if (word_sized) { | |
1078 | outb_p((reg & 0xff) + 1, | |
1079 | data->addr + ADDR_REG_OFFSET); | |
1080 | res = (res << 8) + inb_p(data->addr + DATA_REG_OFFSET); | |
1081 | } | |
9de2e2e8 GR |
1082 | return res; |
1083 | } | |
1084 | ||
1085 | static int nct6775_write_value(struct nct6775_data *data, u16 reg, u16 value) | |
1086 | { | |
1087 | int word_sized = is_word_sized(data, reg); | |
1088 | ||
9de2e2e8 GR |
1089 | nct6775_set_bank(data, reg); |
1090 | outb_p(reg & 0xff, data->addr + ADDR_REG_OFFSET); | |
1091 | if (word_sized) { | |
1092 | outb_p(value >> 8, data->addr + DATA_REG_OFFSET); | |
1093 | outb_p((reg & 0xff) + 1, | |
1094 | data->addr + ADDR_REG_OFFSET); | |
1095 | } | |
1096 | outb_p(value & 0xff, data->addr + DATA_REG_OFFSET); | |
9de2e2e8 GR |
1097 | return 0; |
1098 | } | |
1099 | ||
aa136e5d GR |
1100 | /* We left-align 8-bit temperature values to make the code simpler */ |
1101 | static u16 nct6775_read_temp(struct nct6775_data *data, u16 reg) | |
1102 | { | |
1103 | u16 res; | |
1104 | ||
1105 | res = nct6775_read_value(data, reg); | |
1106 | if (!is_word_sized(data, reg)) | |
1107 | res <<= 8; | |
1108 | ||
1109 | return res; | |
1110 | } | |
1111 | ||
1112 | static int nct6775_write_temp(struct nct6775_data *data, u16 reg, u16 value) | |
1113 | { | |
1114 | if (!is_word_sized(data, reg)) | |
1115 | value >>= 8; | |
1116 | return nct6775_write_value(data, reg, value); | |
1117 | } | |
1118 | ||
1c65dc36 GR |
1119 | /* This function assumes that the caller holds data->update_lock */ |
1120 | static void nct6775_write_fan_div(struct nct6775_data *data, int nr) | |
1121 | { | |
1122 | u8 reg; | |
1123 | ||
1124 | switch (nr) { | |
1125 | case 0: | |
1126 | reg = (nct6775_read_value(data, NCT6775_REG_FANDIV1) & 0x70) | |
1127 | | (data->fan_div[0] & 0x7); | |
1128 | nct6775_write_value(data, NCT6775_REG_FANDIV1, reg); | |
1129 | break; | |
1130 | case 1: | |
1131 | reg = (nct6775_read_value(data, NCT6775_REG_FANDIV1) & 0x7) | |
1132 | | ((data->fan_div[1] << 4) & 0x70); | |
1133 | nct6775_write_value(data, NCT6775_REG_FANDIV1, reg); | |
1134 | break; | |
1135 | case 2: | |
1136 | reg = (nct6775_read_value(data, NCT6775_REG_FANDIV2) & 0x70) | |
1137 | | (data->fan_div[2] & 0x7); | |
1138 | nct6775_write_value(data, NCT6775_REG_FANDIV2, reg); | |
1139 | break; | |
1140 | case 3: | |
1141 | reg = (nct6775_read_value(data, NCT6775_REG_FANDIV2) & 0x7) | |
1142 | | ((data->fan_div[3] << 4) & 0x70); | |
1143 | nct6775_write_value(data, NCT6775_REG_FANDIV2, reg); | |
1144 | break; | |
1145 | } | |
1146 | } | |
1147 | ||
1148 | static void nct6775_write_fan_div_common(struct nct6775_data *data, int nr) | |
1149 | { | |
1150 | if (data->kind == nct6775) | |
1151 | nct6775_write_fan_div(data, nr); | |
1152 | } | |
1153 | ||
1154 | static void nct6775_update_fan_div(struct nct6775_data *data) | |
1155 | { | |
1156 | u8 i; | |
1157 | ||
1158 | i = nct6775_read_value(data, NCT6775_REG_FANDIV1); | |
1159 | data->fan_div[0] = i & 0x7; | |
1160 | data->fan_div[1] = (i & 0x70) >> 4; | |
1161 | i = nct6775_read_value(data, NCT6775_REG_FANDIV2); | |
1162 | data->fan_div[2] = i & 0x7; | |
6445e660 | 1163 | if (data->has_fan & (1 << 3)) |
1c65dc36 GR |
1164 | data->fan_div[3] = (i & 0x70) >> 4; |
1165 | } | |
1166 | ||
1167 | static void nct6775_update_fan_div_common(struct nct6775_data *data) | |
1168 | { | |
1169 | if (data->kind == nct6775) | |
1170 | nct6775_update_fan_div(data); | |
1171 | } | |
1172 | ||
1173 | static void nct6775_init_fan_div(struct nct6775_data *data) | |
1174 | { | |
1175 | int i; | |
1176 | ||
1177 | nct6775_update_fan_div_common(data); | |
1178 | /* | |
1179 | * For all fans, start with highest divider value if the divider | |
1180 | * register is not initialized. This ensures that we get a | |
1181 | * reading from the fan count register, even if it is not optimal. | |
1182 | * We'll compute a better divider later on. | |
1183 | */ | |
c409fd43 | 1184 | for (i = 0; i < ARRAY_SIZE(data->fan_div); i++) { |
1c65dc36 GR |
1185 | if (!(data->has_fan & (1 << i))) |
1186 | continue; | |
1187 | if (data->fan_div[i] == 0) { | |
1188 | data->fan_div[i] = 7; | |
1189 | nct6775_write_fan_div_common(data, i); | |
1190 | } | |
1191 | } | |
1192 | } | |
1193 | ||
1194 | static void nct6775_init_fan_common(struct device *dev, | |
1195 | struct nct6775_data *data) | |
1196 | { | |
1197 | int i; | |
1198 | u8 reg; | |
1199 | ||
1200 | if (data->has_fan_div) | |
1201 | nct6775_init_fan_div(data); | |
1202 | ||
1203 | /* | |
1204 | * If fan_min is not set (0), set it to 0xff to disable it. This | |
1205 | * prevents the unnecessary warning when fanX_min is reported as 0. | |
1206 | */ | |
c409fd43 | 1207 | for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) { |
1c65dc36 GR |
1208 | if (data->has_fan_min & (1 << i)) { |
1209 | reg = nct6775_read_value(data, data->REG_FAN_MIN[i]); | |
1210 | if (!reg) | |
1211 | nct6775_write_value(data, data->REG_FAN_MIN[i], | |
1212 | data->has_fan_div ? 0xff | |
1213 | : 0xff1f); | |
1214 | } | |
1215 | } | |
1216 | } | |
1217 | ||
1218 | static void nct6775_select_fan_div(struct device *dev, | |
1219 | struct nct6775_data *data, int nr, u16 reg) | |
1220 | { | |
1221 | u8 fan_div = data->fan_div[nr]; | |
1222 | u16 fan_min; | |
1223 | ||
1224 | if (!data->has_fan_div) | |
1225 | return; | |
1226 | ||
1227 | /* | |
1228 | * If we failed to measure the fan speed, or the reported value is not | |
1229 | * in the optimal range, and the clock divider can be modified, | |
1230 | * let's try that for next time. | |
1231 | */ | |
1232 | if (reg == 0x00 && fan_div < 0x07) | |
1233 | fan_div++; | |
1234 | else if (reg != 0x00 && reg < 0x30 && fan_div > 0) | |
1235 | fan_div--; | |
1236 | ||
1237 | if (fan_div != data->fan_div[nr]) { | |
1238 | dev_dbg(dev, "Modifying fan%d clock divider from %u to %u\n", | |
1239 | nr + 1, div_from_reg(data->fan_div[nr]), | |
1240 | div_from_reg(fan_div)); | |
1241 | ||
1242 | /* Preserve min limit if possible */ | |
1243 | if (data->has_fan_min & (1 << nr)) { | |
1244 | fan_min = data->fan_min[nr]; | |
1245 | if (fan_div > data->fan_div[nr]) { | |
1246 | if (fan_min != 255 && fan_min > 1) | |
1247 | fan_min >>= 1; | |
1248 | } else { | |
1249 | if (fan_min != 255) { | |
1250 | fan_min <<= 1; | |
1251 | if (fan_min > 254) | |
1252 | fan_min = 254; | |
1253 | } | |
1254 | } | |
1255 | if (fan_min != data->fan_min[nr]) { | |
1256 | data->fan_min[nr] = fan_min; | |
1257 | nct6775_write_value(data, data->REG_FAN_MIN[nr], | |
1258 | fan_min); | |
1259 | } | |
1260 | } | |
1261 | data->fan_div[nr] = fan_div; | |
1262 | nct6775_write_fan_div_common(data, nr); | |
1263 | } | |
1264 | } | |
1265 | ||
77eb5b37 GR |
1266 | static void nct6775_update_pwm(struct device *dev) |
1267 | { | |
1268 | struct nct6775_data *data = dev_get_drvdata(dev); | |
1269 | int i, j; | |
cdcaeceb | 1270 | int fanmodecfg, reg; |
77eb5b37 GR |
1271 | bool duty_is_dc; |
1272 | ||
1273 | for (i = 0; i < data->pwm_num; i++) { | |
1274 | if (!(data->has_pwm & (1 << i))) | |
1275 | continue; | |
1276 | ||
1277 | duty_is_dc = data->REG_PWM_MODE[i] && | |
1278 | (nct6775_read_value(data, data->REG_PWM_MODE[i]) | |
1279 | & data->PWM_MODE_MASK[i]); | |
1280 | data->pwm_mode[i] = duty_is_dc; | |
1281 | ||
1282 | fanmodecfg = nct6775_read_value(data, data->REG_FAN_MODE[i]); | |
1283 | for (j = 0; j < ARRAY_SIZE(data->REG_PWM); j++) { | |
1284 | if (data->REG_PWM[j] && data->REG_PWM[j][i]) { | |
1285 | data->pwm[j][i] | |
1286 | = nct6775_read_value(data, | |
1287 | data->REG_PWM[j][i]); | |
1288 | } | |
1289 | } | |
1290 | ||
1291 | data->pwm_enable[i] = reg_to_pwm_enable(data->pwm[0][i], | |
1292 | (fanmodecfg >> 4) & 7); | |
cdcaeceb GR |
1293 | |
1294 | if (!data->temp_tolerance[0][i] || | |
1295 | data->pwm_enable[i] != speed_cruise) | |
1296 | data->temp_tolerance[0][i] = fanmodecfg & 0x0f; | |
1297 | if (!data->target_speed_tolerance[i] || | |
1298 | data->pwm_enable[i] == speed_cruise) { | |
1299 | u8 t = fanmodecfg & 0x0f; | |
1300 | if (data->REG_TOLERANCE_H) { | |
1301 | t |= (nct6775_read_value(data, | |
1302 | data->REG_TOLERANCE_H[i]) & 0x70) >> 1; | |
1303 | } | |
1304 | data->target_speed_tolerance[i] = t; | |
1305 | } | |
1306 | ||
1307 | data->temp_tolerance[1][i] = | |
1308 | nct6775_read_value(data, | |
1309 | data->REG_CRITICAL_TEMP_TOLERANCE[i]); | |
1310 | ||
1311 | reg = nct6775_read_value(data, data->REG_TEMP_SEL[i]); | |
1312 | data->pwm_temp_sel[i] = reg & 0x1f; | |
1313 | /* If fan can stop, report floor as 0 */ | |
1314 | if (reg & 0x80) | |
1315 | data->pwm[2][i] = 0; | |
bbd8decd GR |
1316 | |
1317 | reg = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[i]); | |
1318 | data->pwm_weight_temp_sel[i] = reg & 0x1f; | |
1319 | /* If weight is disabled, report weight source as 0 */ | |
1320 | if (j == 1 && !(reg & 0x80)) | |
1321 | data->pwm_weight_temp_sel[i] = 0; | |
1322 | ||
1323 | /* Weight temp data */ | |
c409fd43 | 1324 | for (j = 0; j < ARRAY_SIZE(data->weight_temp); j++) { |
bbd8decd GR |
1325 | data->weight_temp[j][i] |
1326 | = nct6775_read_value(data, | |
1327 | data->REG_WEIGHT_TEMP[j][i]); | |
1328 | } | |
cdcaeceb GR |
1329 | } |
1330 | } | |
1331 | ||
1332 | static void nct6775_update_pwm_limits(struct device *dev) | |
1333 | { | |
1334 | struct nct6775_data *data = dev_get_drvdata(dev); | |
1335 | int i, j; | |
1336 | u8 reg; | |
1337 | u16 reg_t; | |
1338 | ||
1339 | for (i = 0; i < data->pwm_num; i++) { | |
1340 | if (!(data->has_pwm & (1 << i))) | |
1341 | continue; | |
1342 | ||
c409fd43 | 1343 | for (j = 0; j < ARRAY_SIZE(data->fan_time); j++) { |
cdcaeceb GR |
1344 | data->fan_time[j][i] = |
1345 | nct6775_read_value(data, data->REG_FAN_TIME[j][i]); | |
1346 | } | |
1347 | ||
1348 | reg_t = nct6775_read_value(data, data->REG_TARGET[i]); | |
1349 | /* Update only in matching mode or if never updated */ | |
1350 | if (!data->target_temp[i] || | |
1351 | data->pwm_enable[i] == thermal_cruise) | |
1352 | data->target_temp[i] = reg_t & data->target_temp_mask; | |
1353 | if (!data->target_speed[i] || | |
1354 | data->pwm_enable[i] == speed_cruise) { | |
1355 | if (data->REG_TOLERANCE_H) { | |
1356 | reg_t |= (nct6775_read_value(data, | |
1357 | data->REG_TOLERANCE_H[i]) & 0x0f) << 8; | |
1358 | } | |
1359 | data->target_speed[i] = reg_t; | |
1360 | } | |
1361 | ||
1362 | for (j = 0; j < data->auto_pwm_num; j++) { | |
1363 | data->auto_pwm[i][j] = | |
1364 | nct6775_read_value(data, | |
1365 | NCT6775_AUTO_PWM(data, i, j)); | |
1366 | data->auto_temp[i][j] = | |
1367 | nct6775_read_value(data, | |
1368 | NCT6775_AUTO_TEMP(data, i, j)); | |
1369 | } | |
1370 | ||
1371 | /* critical auto_pwm temperature data */ | |
1372 | data->auto_temp[i][data->auto_pwm_num] = | |
1373 | nct6775_read_value(data, data->REG_CRITICAL_TEMP[i]); | |
1374 | ||
1375 | switch (data->kind) { | |
1376 | case nct6775: | |
1377 | reg = nct6775_read_value(data, | |
1378 | NCT6775_REG_CRITICAL_ENAB[i]); | |
1379 | data->auto_pwm[i][data->auto_pwm_num] = | |
1380 | (reg & 0x02) ? 0xff : 0x00; | |
1381 | break; | |
1382 | case nct6776: | |
1383 | data->auto_pwm[i][data->auto_pwm_num] = 0xff; | |
1384 | break; | |
6c009501 | 1385 | case nct6106: |
cdcaeceb | 1386 | case nct6779: |
578ab5f0 | 1387 | case nct6791: |
cdcaeceb | 1388 | reg = nct6775_read_value(data, |
6c009501 GR |
1389 | data->REG_CRITICAL_PWM_ENABLE[i]); |
1390 | if (reg & data->CRITICAL_PWM_ENABLE_MASK) | |
1391 | reg = nct6775_read_value(data, | |
1392 | data->REG_CRITICAL_PWM[i]); | |
cdcaeceb | 1393 | else |
6c009501 GR |
1394 | reg = 0xff; |
1395 | data->auto_pwm[i][data->auto_pwm_num] = reg; | |
cdcaeceb GR |
1396 | break; |
1397 | } | |
77eb5b37 GR |
1398 | } |
1399 | } | |
1400 | ||
9de2e2e8 GR |
1401 | static struct nct6775_data *nct6775_update_device(struct device *dev) |
1402 | { | |
1403 | struct nct6775_data *data = dev_get_drvdata(dev); | |
aa136e5d | 1404 | int i, j; |
9de2e2e8 GR |
1405 | |
1406 | mutex_lock(&data->update_lock); | |
1407 | ||
6445e660 | 1408 | if (time_after(jiffies, data->last_updated + HZ + HZ / 2) |
9de2e2e8 | 1409 | || !data->valid) { |
1c65dc36 GR |
1410 | /* Fan clock dividers */ |
1411 | nct6775_update_fan_div_common(data); | |
1412 | ||
9de2e2e8 GR |
1413 | /* Measured voltages and limits */ |
1414 | for (i = 0; i < data->in_num; i++) { | |
1415 | if (!(data->have_in & (1 << i))) | |
1416 | continue; | |
1417 | ||
1418 | data->in[i][0] = nct6775_read_value(data, | |
1419 | data->REG_VIN[i]); | |
1420 | data->in[i][1] = nct6775_read_value(data, | |
1421 | data->REG_IN_MINMAX[0][i]); | |
1422 | data->in[i][2] = nct6775_read_value(data, | |
1423 | data->REG_IN_MINMAX[1][i]); | |
1424 | } | |
1425 | ||
1c65dc36 | 1426 | /* Measured fan speeds and limits */ |
c409fd43 | 1427 | for (i = 0; i < ARRAY_SIZE(data->rpm); i++) { |
1c65dc36 GR |
1428 | u16 reg; |
1429 | ||
1430 | if (!(data->has_fan & (1 << i))) | |
1431 | continue; | |
1432 | ||
1433 | reg = nct6775_read_value(data, data->REG_FAN[i]); | |
1434 | data->rpm[i] = data->fan_from_reg(reg, | |
1435 | data->fan_div[i]); | |
1436 | ||
1437 | if (data->has_fan_min & (1 << i)) | |
1438 | data->fan_min[i] = nct6775_read_value(data, | |
1439 | data->REG_FAN_MIN[i]); | |
5c25d954 | 1440 | data->fan_pulses[i] = |
6c009501 GR |
1441 | (nct6775_read_value(data, data->REG_FAN_PULSES[i]) |
1442 | >> data->FAN_PULSE_SHIFT[i]) & 0x03; | |
1c65dc36 GR |
1443 | |
1444 | nct6775_select_fan_div(dev, data, i, reg); | |
1445 | } | |
1446 | ||
77eb5b37 | 1447 | nct6775_update_pwm(dev); |
cdcaeceb | 1448 | nct6775_update_pwm_limits(dev); |
77eb5b37 | 1449 | |
aa136e5d GR |
1450 | /* Measured temperatures and limits */ |
1451 | for (i = 0; i < NUM_TEMP; i++) { | |
1452 | if (!(data->have_temp & (1 << i))) | |
1453 | continue; | |
c409fd43 | 1454 | for (j = 0; j < ARRAY_SIZE(data->reg_temp); j++) { |
aa136e5d GR |
1455 | if (data->reg_temp[j][i]) |
1456 | data->temp[j][i] | |
1457 | = nct6775_read_temp(data, | |
1458 | data->reg_temp[j][i]); | |
1459 | } | |
1460 | if (!(data->have_temp_fixed & (1 << i))) | |
1461 | continue; | |
1462 | data->temp_offset[i] | |
1463 | = nct6775_read_value(data, data->REG_TEMP_OFFSET[i]); | |
1464 | } | |
1465 | ||
9de2e2e8 GR |
1466 | data->alarms = 0; |
1467 | for (i = 0; i < NUM_REG_ALARM; i++) { | |
1468 | u8 alarm; | |
1469 | if (!data->REG_ALARM[i]) | |
1470 | continue; | |
1471 | alarm = nct6775_read_value(data, data->REG_ALARM[i]); | |
1472 | data->alarms |= ((u64)alarm) << (i << 3); | |
1473 | } | |
1474 | ||
30846993 GR |
1475 | data->beeps = 0; |
1476 | for (i = 0; i < NUM_REG_BEEP; i++) { | |
1477 | u8 beep; | |
1478 | if (!data->REG_BEEP[i]) | |
1479 | continue; | |
1480 | beep = nct6775_read_value(data, data->REG_BEEP[i]); | |
1481 | data->beeps |= ((u64)beep) << (i << 3); | |
1482 | } | |
1483 | ||
9de2e2e8 GR |
1484 | data->last_updated = jiffies; |
1485 | data->valid = true; | |
1486 | } | |
1487 | ||
1488 | mutex_unlock(&data->update_lock); | |
1489 | return data; | |
1490 | } | |
1491 | ||
1492 | /* | |
1493 | * Sysfs callback functions | |
1494 | */ | |
1495 | static ssize_t | |
1496 | show_in_reg(struct device *dev, struct device_attribute *attr, char *buf) | |
1497 | { | |
1498 | struct nct6775_data *data = nct6775_update_device(dev); | |
1499 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
1500 | int nr = sattr->nr; | |
1501 | int index = sattr->index; | |
1502 | return sprintf(buf, "%ld\n", in_from_reg(data->in[nr][index], nr)); | |
1503 | } | |
1504 | ||
1505 | static ssize_t | |
1506 | store_in_reg(struct device *dev, struct device_attribute *attr, const char *buf, | |
1507 | size_t count) | |
1508 | { | |
1509 | struct nct6775_data *data = dev_get_drvdata(dev); | |
1510 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
1511 | int nr = sattr->nr; | |
1512 | int index = sattr->index; | |
1513 | unsigned long val; | |
1514 | int err = kstrtoul(buf, 10, &val); | |
1515 | if (err < 0) | |
1516 | return err; | |
1517 | mutex_lock(&data->update_lock); | |
1518 | data->in[nr][index] = in_to_reg(val, nr); | |
6445e660 | 1519 | nct6775_write_value(data, data->REG_IN_MINMAX[index - 1][nr], |
9de2e2e8 GR |
1520 | data->in[nr][index]); |
1521 | mutex_unlock(&data->update_lock); | |
1522 | return count; | |
1523 | } | |
1524 | ||
1525 | static ssize_t | |
1526 | show_alarm(struct device *dev, struct device_attribute *attr, char *buf) | |
1527 | { | |
1528 | struct nct6775_data *data = nct6775_update_device(dev); | |
1529 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1530 | int nr = data->ALARM_BITS[sattr->index]; | |
1531 | return sprintf(buf, "%u\n", | |
1532 | (unsigned int)((data->alarms >> nr) & 0x01)); | |
1533 | } | |
1534 | ||
b1d2bff6 GR |
1535 | static int find_temp_source(struct nct6775_data *data, int index, int count) |
1536 | { | |
1537 | int source = data->temp_src[index]; | |
1538 | int nr; | |
1539 | ||
1540 | for (nr = 0; nr < count; nr++) { | |
1541 | int src; | |
1542 | ||
1543 | src = nct6775_read_value(data, | |
1544 | data->REG_TEMP_SOURCE[nr]) & 0x1f; | |
1545 | if (src == source) | |
1546 | return nr; | |
1547 | } | |
1548 | return -1; | |
1549 | } | |
1550 | ||
1551 | static ssize_t | |
1552 | show_temp_alarm(struct device *dev, struct device_attribute *attr, char *buf) | |
1553 | { | |
1554 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1555 | struct nct6775_data *data = nct6775_update_device(dev); | |
1556 | unsigned int alarm = 0; | |
1557 | int nr; | |
1558 | ||
1559 | /* | |
1560 | * For temperatures, there is no fixed mapping from registers to alarm | |
1561 | * bits. Alarm bits are determined by the temperature source mapping. | |
1562 | */ | |
1563 | nr = find_temp_source(data, sattr->index, data->num_temp_alarms); | |
1564 | if (nr >= 0) { | |
1565 | int bit = data->ALARM_BITS[nr + TEMP_ALARM_BASE]; | |
1566 | alarm = (data->alarms >> bit) & 0x01; | |
1567 | } | |
1568 | return sprintf(buf, "%u\n", alarm); | |
1569 | } | |
1570 | ||
30846993 GR |
1571 | static ssize_t |
1572 | show_beep(struct device *dev, struct device_attribute *attr, char *buf) | |
1573 | { | |
1574 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1575 | struct nct6775_data *data = nct6775_update_device(dev); | |
1576 | int nr = data->BEEP_BITS[sattr->index]; | |
1577 | ||
1578 | return sprintf(buf, "%u\n", | |
1579 | (unsigned int)((data->beeps >> nr) & 0x01)); | |
1580 | } | |
1581 | ||
1582 | static ssize_t | |
1583 | store_beep(struct device *dev, struct device_attribute *attr, const char *buf, | |
1584 | size_t count) | |
1585 | { | |
1586 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
1587 | struct nct6775_data *data = dev_get_drvdata(dev); | |
1588 | int nr = data->BEEP_BITS[sattr->index]; | |
1589 | int regindex = nr >> 3; | |
1590 | unsigned long val; | |
1591 | ||
1592 | int err = kstrtoul(buf, 10, &val); | |
1593 | if (err < 0) | |
1594 | return err; | |
1595 | if (val > 1) | |
1596 | return -EINVAL; | |
1597 | ||
1598 | mutex_lock(&data->update_lock); | |
1599 | if (val) | |
1600 | data->beeps |= (1ULL << nr); | |
1601 | else | |
1602 | data->beeps &= ~(1ULL << nr); | |
1603 | nct6775_write_value(data, data->REG_BEEP[regindex], | |
1604 | (data->beeps >> (regindex << 3)) & 0xff); | |
1605 | mutex_unlock(&data->update_lock); | |
1606 | return count; | |
1607 | } | |
1608 | ||
1609 | static ssize_t | |
1610 | show_temp_beep(struct device *dev, struct device_attribute *attr, char *buf) | |
1611 | { | |
1612 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1613 | struct nct6775_data *data = nct6775_update_device(dev); | |
1614 | unsigned int beep = 0; | |
1615 | int nr; | |
1616 | ||
1617 | /* | |
1618 | * For temperatures, there is no fixed mapping from registers to beep | |
1619 | * enable bits. Beep enable bits are determined by the temperature | |
1620 | * source mapping. | |
1621 | */ | |
1622 | nr = find_temp_source(data, sattr->index, data->num_temp_beeps); | |
1623 | if (nr >= 0) { | |
1624 | int bit = data->BEEP_BITS[nr + TEMP_ALARM_BASE]; | |
1625 | beep = (data->beeps >> bit) & 0x01; | |
1626 | } | |
1627 | return sprintf(buf, "%u\n", beep); | |
1628 | } | |
1629 | ||
1630 | static ssize_t | |
1631 | store_temp_beep(struct device *dev, struct device_attribute *attr, | |
1632 | const char *buf, size_t count) | |
1633 | { | |
1634 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
1635 | struct nct6775_data *data = dev_get_drvdata(dev); | |
1636 | int nr, bit, regindex; | |
1637 | unsigned long val; | |
1638 | ||
1639 | int err = kstrtoul(buf, 10, &val); | |
1640 | if (err < 0) | |
1641 | return err; | |
1642 | if (val > 1) | |
1643 | return -EINVAL; | |
1644 | ||
1645 | nr = find_temp_source(data, sattr->index, data->num_temp_beeps); | |
1646 | if (nr < 0) | |
1647 | return -ENODEV; | |
1648 | ||
1649 | bit = data->BEEP_BITS[nr + TEMP_ALARM_BASE]; | |
1650 | regindex = bit >> 3; | |
1651 | ||
1652 | mutex_lock(&data->update_lock); | |
1653 | if (val) | |
1654 | data->beeps |= (1ULL << bit); | |
1655 | else | |
1656 | data->beeps &= ~(1ULL << bit); | |
1657 | nct6775_write_value(data, data->REG_BEEP[regindex], | |
1658 | (data->beeps >> (regindex << 3)) & 0xff); | |
1659 | mutex_unlock(&data->update_lock); | |
1660 | ||
1661 | return count; | |
1662 | } | |
1663 | ||
f73cf632 GR |
1664 | static umode_t nct6775_in_is_visible(struct kobject *kobj, |
1665 | struct attribute *attr, int index) | |
1666 | { | |
1667 | struct device *dev = container_of(kobj, struct device, kobj); | |
1668 | struct nct6775_data *data = dev_get_drvdata(dev); | |
30846993 | 1669 | int in = index / 5; /* voltage index */ |
f73cf632 GR |
1670 | |
1671 | if (!(data->have_in & (1 << in))) | |
1672 | return 0; | |
1673 | ||
1674 | return attr->mode; | |
1675 | } | |
1676 | ||
1677 | SENSOR_TEMPLATE_2(in_input, "in%d_input", S_IRUGO, show_in_reg, NULL, 0, 0); | |
1678 | SENSOR_TEMPLATE(in_alarm, "in%d_alarm", S_IRUGO, show_alarm, NULL, 0); | |
30846993 GR |
1679 | SENSOR_TEMPLATE(in_beep, "in%d_beep", S_IWUSR | S_IRUGO, show_beep, store_beep, |
1680 | 0); | |
f73cf632 GR |
1681 | SENSOR_TEMPLATE_2(in_min, "in%d_min", S_IWUSR | S_IRUGO, show_in_reg, |
1682 | store_in_reg, 0, 1); | |
1683 | SENSOR_TEMPLATE_2(in_max, "in%d_max", S_IWUSR | S_IRUGO, show_in_reg, | |
1684 | store_in_reg, 0, 2); | |
1685 | ||
1686 | /* | |
1687 | * nct6775_in_is_visible uses the index into the following array | |
1688 | * to determine if attributes should be created or not. | |
1689 | * Any change in order or content must be matched. | |
1690 | */ | |
1691 | static struct sensor_device_template *nct6775_attributes_in_template[] = { | |
1692 | &sensor_dev_template_in_input, | |
1693 | &sensor_dev_template_in_alarm, | |
30846993 | 1694 | &sensor_dev_template_in_beep, |
f73cf632 GR |
1695 | &sensor_dev_template_in_min, |
1696 | &sensor_dev_template_in_max, | |
1697 | NULL | |
9de2e2e8 GR |
1698 | }; |
1699 | ||
f73cf632 GR |
1700 | static struct sensor_template_group nct6775_in_template_group = { |
1701 | .templates = nct6775_attributes_in_template, | |
1702 | .is_visible = nct6775_in_is_visible, | |
9de2e2e8 GR |
1703 | }; |
1704 | ||
1c65dc36 GR |
1705 | static ssize_t |
1706 | show_fan(struct device *dev, struct device_attribute *attr, char *buf) | |
1707 | { | |
1708 | struct nct6775_data *data = nct6775_update_device(dev); | |
1709 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1710 | int nr = sattr->index; | |
1711 | return sprintf(buf, "%d\n", data->rpm[nr]); | |
1712 | } | |
1713 | ||
1714 | static ssize_t | |
1715 | show_fan_min(struct device *dev, struct device_attribute *attr, char *buf) | |
1716 | { | |
1717 | struct nct6775_data *data = nct6775_update_device(dev); | |
1718 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1719 | int nr = sattr->index; | |
1720 | return sprintf(buf, "%d\n", | |
1721 | data->fan_from_reg_min(data->fan_min[nr], | |
1722 | data->fan_div[nr])); | |
1723 | } | |
1724 | ||
1725 | static ssize_t | |
1726 | show_fan_div(struct device *dev, struct device_attribute *attr, char *buf) | |
1727 | { | |
1728 | struct nct6775_data *data = nct6775_update_device(dev); | |
1729 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1730 | int nr = sattr->index; | |
1731 | return sprintf(buf, "%u\n", div_from_reg(data->fan_div[nr])); | |
1732 | } | |
1733 | ||
1734 | static ssize_t | |
1735 | store_fan_min(struct device *dev, struct device_attribute *attr, | |
1736 | const char *buf, size_t count) | |
1737 | { | |
1738 | struct nct6775_data *data = dev_get_drvdata(dev); | |
1739 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1740 | int nr = sattr->index; | |
1741 | unsigned long val; | |
1742 | int err; | |
1743 | unsigned int reg; | |
1744 | u8 new_div; | |
1745 | ||
1746 | err = kstrtoul(buf, 10, &val); | |
1747 | if (err < 0) | |
1748 | return err; | |
1749 | ||
1750 | mutex_lock(&data->update_lock); | |
1751 | if (!data->has_fan_div) { | |
1752 | /* NCT6776F or NCT6779D; we know this is a 13 bit register */ | |
1753 | if (!val) { | |
1754 | val = 0xff1f; | |
1755 | } else { | |
1756 | if (val > 1350000U) | |
1757 | val = 135000U; | |
1758 | val = 1350000U / val; | |
1759 | val = (val & 0x1f) | ((val << 3) & 0xff00); | |
1760 | } | |
1761 | data->fan_min[nr] = val; | |
1762 | goto write_min; /* Leave fan divider alone */ | |
1763 | } | |
1764 | if (!val) { | |
1765 | /* No min limit, alarm disabled */ | |
1766 | data->fan_min[nr] = 255; | |
1767 | new_div = data->fan_div[nr]; /* No change */ | |
1768 | dev_info(dev, "fan%u low limit and alarm disabled\n", nr + 1); | |
1769 | goto write_div; | |
1770 | } | |
1771 | reg = 1350000U / val; | |
1772 | if (reg >= 128 * 255) { | |
1773 | /* | |
1774 | * Speed below this value cannot possibly be represented, | |
1775 | * even with the highest divider (128) | |
1776 | */ | |
1777 | data->fan_min[nr] = 254; | |
1778 | new_div = 7; /* 128 == (1 << 7) */ | |
1779 | dev_warn(dev, | |
1780 | "fan%u low limit %lu below minimum %u, set to minimum\n", | |
1781 | nr + 1, val, data->fan_from_reg_min(254, 7)); | |
1782 | } else if (!reg) { | |
1783 | /* | |
1784 | * Speed above this value cannot possibly be represented, | |
1785 | * even with the lowest divider (1) | |
1786 | */ | |
1787 | data->fan_min[nr] = 1; | |
1788 | new_div = 0; /* 1 == (1 << 0) */ | |
1789 | dev_warn(dev, | |
1790 | "fan%u low limit %lu above maximum %u, set to maximum\n", | |
1791 | nr + 1, val, data->fan_from_reg_min(1, 0)); | |
1792 | } else { | |
1793 | /* | |
1794 | * Automatically pick the best divider, i.e. the one such | |
1795 | * that the min limit will correspond to a register value | |
1796 | * in the 96..192 range | |
1797 | */ | |
1798 | new_div = 0; | |
1799 | while (reg > 192 && new_div < 7) { | |
1800 | reg >>= 1; | |
1801 | new_div++; | |
1802 | } | |
1803 | data->fan_min[nr] = reg; | |
1804 | } | |
1805 | ||
1806 | write_div: | |
1807 | /* | |
1808 | * Write both the fan clock divider (if it changed) and the new | |
1809 | * fan min (unconditionally) | |
1810 | */ | |
1811 | if (new_div != data->fan_div[nr]) { | |
1812 | dev_dbg(dev, "fan%u clock divider changed from %u to %u\n", | |
1813 | nr + 1, div_from_reg(data->fan_div[nr]), | |
1814 | div_from_reg(new_div)); | |
1815 | data->fan_div[nr] = new_div; | |
1816 | nct6775_write_fan_div_common(data, nr); | |
1817 | /* Give the chip time to sample a new speed value */ | |
1818 | data->last_updated = jiffies; | |
1819 | } | |
1820 | ||
1821 | write_min: | |
1822 | nct6775_write_value(data, data->REG_FAN_MIN[nr], data->fan_min[nr]); | |
1823 | mutex_unlock(&data->update_lock); | |
1824 | ||
1825 | return count; | |
1826 | } | |
1827 | ||
5c25d954 GR |
1828 | static ssize_t |
1829 | show_fan_pulses(struct device *dev, struct device_attribute *attr, char *buf) | |
1830 | { | |
1831 | struct nct6775_data *data = nct6775_update_device(dev); | |
1832 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1833 | int p = data->fan_pulses[sattr->index]; | |
1834 | ||
1835 | return sprintf(buf, "%d\n", p ? : 4); | |
1836 | } | |
1837 | ||
1838 | static ssize_t | |
1839 | store_fan_pulses(struct device *dev, struct device_attribute *attr, | |
1840 | const char *buf, size_t count) | |
1841 | { | |
1842 | struct nct6775_data *data = dev_get_drvdata(dev); | |
1843 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1844 | int nr = sattr->index; | |
1845 | unsigned long val; | |
1846 | int err; | |
6c009501 | 1847 | u8 reg; |
5c25d954 GR |
1848 | |
1849 | err = kstrtoul(buf, 10, &val); | |
1850 | if (err < 0) | |
1851 | return err; | |
1852 | ||
1853 | if (val > 4) | |
1854 | return -EINVAL; | |
1855 | ||
1856 | mutex_lock(&data->update_lock); | |
1857 | data->fan_pulses[nr] = val & 3; | |
6c009501 GR |
1858 | reg = nct6775_read_value(data, data->REG_FAN_PULSES[nr]); |
1859 | reg &= ~(0x03 << data->FAN_PULSE_SHIFT[nr]); | |
1860 | reg |= (val & 3) << data->FAN_PULSE_SHIFT[nr]; | |
1861 | nct6775_write_value(data, data->REG_FAN_PULSES[nr], reg); | |
5c25d954 GR |
1862 | mutex_unlock(&data->update_lock); |
1863 | ||
1864 | return count; | |
1865 | } | |
1866 | ||
f73cf632 GR |
1867 | static umode_t nct6775_fan_is_visible(struct kobject *kobj, |
1868 | struct attribute *attr, int index) | |
1869 | { | |
1870 | struct device *dev = container_of(kobj, struct device, kobj); | |
1871 | struct nct6775_data *data = dev_get_drvdata(dev); | |
30846993 GR |
1872 | int fan = index / 6; /* fan index */ |
1873 | int nr = index % 6; /* attribute index */ | |
1c65dc36 | 1874 | |
f73cf632 GR |
1875 | if (!(data->has_fan & (1 << fan))) |
1876 | return 0; | |
1c65dc36 | 1877 | |
f73cf632 GR |
1878 | if (nr == 1 && data->ALARM_BITS[FAN_ALARM_BASE + fan] == -1) |
1879 | return 0; | |
30846993 | 1880 | if (nr == 2 && data->BEEP_BITS[FAN_ALARM_BASE + fan] == -1) |
f73cf632 | 1881 | return 0; |
30846993 GR |
1882 | if (nr == 4 && !(data->has_fan_min & (1 << fan))) |
1883 | return 0; | |
1884 | if (nr == 5 && data->kind != nct6775) | |
f73cf632 GR |
1885 | return 0; |
1886 | ||
1887 | return attr->mode; | |
1888 | } | |
1c65dc36 | 1889 | |
f73cf632 GR |
1890 | SENSOR_TEMPLATE(fan_input, "fan%d_input", S_IRUGO, show_fan, NULL, 0); |
1891 | SENSOR_TEMPLATE(fan_alarm, "fan%d_alarm", S_IRUGO, show_alarm, NULL, | |
1892 | FAN_ALARM_BASE); | |
30846993 GR |
1893 | SENSOR_TEMPLATE(fan_beep, "fan%d_beep", S_IWUSR | S_IRUGO, show_beep, |
1894 | store_beep, FAN_ALARM_BASE); | |
f73cf632 GR |
1895 | SENSOR_TEMPLATE(fan_pulses, "fan%d_pulses", S_IWUSR | S_IRUGO, show_fan_pulses, |
1896 | store_fan_pulses, 0); | |
1897 | SENSOR_TEMPLATE(fan_min, "fan%d_min", S_IWUSR | S_IRUGO, show_fan_min, | |
1898 | store_fan_min, 0); | |
1899 | SENSOR_TEMPLATE(fan_div, "fan%d_div", S_IRUGO, show_fan_div, NULL, 0); | |
1900 | ||
1901 | /* | |
1902 | * nct6775_fan_is_visible uses the index into the following array | |
1903 | * to determine if attributes should be created or not. | |
1904 | * Any change in order or content must be matched. | |
1905 | */ | |
1906 | static struct sensor_device_template *nct6775_attributes_fan_template[] = { | |
1907 | &sensor_dev_template_fan_input, | |
1908 | &sensor_dev_template_fan_alarm, /* 1 */ | |
30846993 | 1909 | &sensor_dev_template_fan_beep, /* 2 */ |
f73cf632 | 1910 | &sensor_dev_template_fan_pulses, |
30846993 GR |
1911 | &sensor_dev_template_fan_min, /* 4 */ |
1912 | &sensor_dev_template_fan_div, /* 5 */ | |
f73cf632 | 1913 | NULL |
5c25d954 GR |
1914 | }; |
1915 | ||
f73cf632 GR |
1916 | static struct sensor_template_group nct6775_fan_template_group = { |
1917 | .templates = nct6775_attributes_fan_template, | |
1918 | .is_visible = nct6775_fan_is_visible, | |
1919 | .base = 1, | |
1c65dc36 GR |
1920 | }; |
1921 | ||
aa136e5d GR |
1922 | static ssize_t |
1923 | show_temp_label(struct device *dev, struct device_attribute *attr, char *buf) | |
1924 | { | |
1925 | struct nct6775_data *data = nct6775_update_device(dev); | |
1926 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1927 | int nr = sattr->index; | |
1928 | return sprintf(buf, "%s\n", data->temp_label[data->temp_src[nr]]); | |
1929 | } | |
1930 | ||
1931 | static ssize_t | |
1932 | show_temp(struct device *dev, struct device_attribute *attr, char *buf) | |
1933 | { | |
1934 | struct nct6775_data *data = nct6775_update_device(dev); | |
1935 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
1936 | int nr = sattr->nr; | |
1937 | int index = sattr->index; | |
1938 | ||
1939 | return sprintf(buf, "%d\n", LM75_TEMP_FROM_REG(data->temp[index][nr])); | |
1940 | } | |
1941 | ||
1942 | static ssize_t | |
1943 | store_temp(struct device *dev, struct device_attribute *attr, const char *buf, | |
1944 | size_t count) | |
1945 | { | |
1946 | struct nct6775_data *data = dev_get_drvdata(dev); | |
1947 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
1948 | int nr = sattr->nr; | |
1949 | int index = sattr->index; | |
1950 | int err; | |
1951 | long val; | |
1952 | ||
1953 | err = kstrtol(buf, 10, &val); | |
1954 | if (err < 0) | |
1955 | return err; | |
1956 | ||
1957 | mutex_lock(&data->update_lock); | |
1958 | data->temp[index][nr] = LM75_TEMP_TO_REG(val); | |
1959 | nct6775_write_temp(data, data->reg_temp[index][nr], | |
1960 | data->temp[index][nr]); | |
1961 | mutex_unlock(&data->update_lock); | |
1962 | return count; | |
1963 | } | |
1964 | ||
1965 | static ssize_t | |
1966 | show_temp_offset(struct device *dev, struct device_attribute *attr, char *buf) | |
1967 | { | |
1968 | struct nct6775_data *data = nct6775_update_device(dev); | |
1969 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1970 | ||
1971 | return sprintf(buf, "%d\n", data->temp_offset[sattr->index] * 1000); | |
1972 | } | |
1973 | ||
1974 | static ssize_t | |
1975 | store_temp_offset(struct device *dev, struct device_attribute *attr, | |
1976 | const char *buf, size_t count) | |
1977 | { | |
1978 | struct nct6775_data *data = dev_get_drvdata(dev); | |
1979 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
1980 | int nr = sattr->index; | |
1981 | long val; | |
1982 | int err; | |
1983 | ||
1984 | err = kstrtol(buf, 10, &val); | |
1985 | if (err < 0) | |
1986 | return err; | |
1987 | ||
1988 | val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127); | |
1989 | ||
1990 | mutex_lock(&data->update_lock); | |
1991 | data->temp_offset[nr] = val; | |
1992 | nct6775_write_value(data, data->REG_TEMP_OFFSET[nr], val); | |
1993 | mutex_unlock(&data->update_lock); | |
1994 | ||
1995 | return count; | |
1996 | } | |
1997 | ||
1998 | static ssize_t | |
1999 | show_temp_type(struct device *dev, struct device_attribute *attr, char *buf) | |
2000 | { | |
2001 | struct nct6775_data *data = nct6775_update_device(dev); | |
2002 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2003 | int nr = sattr->index; | |
2004 | return sprintf(buf, "%d\n", (int)data->temp_type[nr]); | |
2005 | } | |
2006 | ||
2007 | static ssize_t | |
2008 | store_temp_type(struct device *dev, struct device_attribute *attr, | |
2009 | const char *buf, size_t count) | |
2010 | { | |
2011 | struct nct6775_data *data = nct6775_update_device(dev); | |
2012 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2013 | int nr = sattr->index; | |
2014 | unsigned long val; | |
2015 | int err; | |
6c009501 | 2016 | u8 vbat, diode, vbit, dbit; |
aa136e5d GR |
2017 | |
2018 | err = kstrtoul(buf, 10, &val); | |
2019 | if (err < 0) | |
2020 | return err; | |
2021 | ||
2022 | if (val != 1 && val != 3 && val != 4) | |
2023 | return -EINVAL; | |
2024 | ||
2025 | mutex_lock(&data->update_lock); | |
2026 | ||
2027 | data->temp_type[nr] = val; | |
6c009501 GR |
2028 | vbit = 0x02 << nr; |
2029 | dbit = data->DIODE_MASK << nr; | |
2030 | vbat = nct6775_read_value(data, data->REG_VBAT) & ~vbit; | |
2031 | diode = nct6775_read_value(data, data->REG_DIODE) & ~dbit; | |
aa136e5d GR |
2032 | switch (val) { |
2033 | case 1: /* CPU diode (diode, current mode) */ | |
6c009501 GR |
2034 | vbat |= vbit; |
2035 | diode |= dbit; | |
aa136e5d GR |
2036 | break; |
2037 | case 3: /* diode, voltage mode */ | |
6c009501 | 2038 | vbat |= dbit; |
aa136e5d GR |
2039 | break; |
2040 | case 4: /* thermistor */ | |
2041 | break; | |
2042 | } | |
2043 | nct6775_write_value(data, data->REG_VBAT, vbat); | |
2044 | nct6775_write_value(data, data->REG_DIODE, diode); | |
2045 | ||
2046 | mutex_unlock(&data->update_lock); | |
2047 | return count; | |
2048 | } | |
2049 | ||
f73cf632 GR |
2050 | static umode_t nct6775_temp_is_visible(struct kobject *kobj, |
2051 | struct attribute *attr, int index) | |
2052 | { | |
2053 | struct device *dev = container_of(kobj, struct device, kobj); | |
2054 | struct nct6775_data *data = dev_get_drvdata(dev); | |
30846993 GR |
2055 | int temp = index / 10; /* temp index */ |
2056 | int nr = index % 10; /* attribute index */ | |
aa136e5d | 2057 | |
f73cf632 GR |
2058 | if (!(data->have_temp & (1 << temp))) |
2059 | return 0; | |
aa136e5d | 2060 | |
f73cf632 GR |
2061 | if (nr == 2 && find_temp_source(data, temp, data->num_temp_alarms) < 0) |
2062 | return 0; /* alarm */ | |
aa136e5d | 2063 | |
30846993 GR |
2064 | if (nr == 3 && find_temp_source(data, temp, data->num_temp_beeps) < 0) |
2065 | return 0; /* beep */ | |
2066 | ||
2067 | if (nr == 4 && !data->reg_temp[1][temp]) /* max */ | |
f73cf632 | 2068 | return 0; |
aa136e5d | 2069 | |
30846993 | 2070 | if (nr == 5 && !data->reg_temp[2][temp]) /* max_hyst */ |
f73cf632 | 2071 | return 0; |
aa136e5d | 2072 | |
30846993 | 2073 | if (nr == 6 && !data->reg_temp[3][temp]) /* crit */ |
f73cf632 GR |
2074 | return 0; |
2075 | ||
30846993 | 2076 | if (nr == 7 && !data->reg_temp[4][temp]) /* lcrit */ |
b7a61353 GR |
2077 | return 0; |
2078 | ||
2079 | /* offset and type only apply to fixed sensors */ | |
30846993 | 2080 | if (nr > 7 && !(data->have_temp_fixed & (1 << temp))) |
f73cf632 | 2081 | return 0; |
aa136e5d | 2082 | |
f73cf632 GR |
2083 | return attr->mode; |
2084 | } | |
2085 | ||
2086 | SENSOR_TEMPLATE_2(temp_input, "temp%d_input", S_IRUGO, show_temp, NULL, 0, 0); | |
2087 | SENSOR_TEMPLATE(temp_label, "temp%d_label", S_IRUGO, show_temp_label, NULL, 0); | |
2088 | SENSOR_TEMPLATE_2(temp_max, "temp%d_max", S_IRUGO | S_IWUSR, show_temp, | |
2089 | store_temp, 0, 1); | |
2090 | SENSOR_TEMPLATE_2(temp_max_hyst, "temp%d_max_hyst", S_IRUGO | S_IWUSR, | |
2091 | show_temp, store_temp, 0, 2); | |
2092 | SENSOR_TEMPLATE_2(temp_crit, "temp%d_crit", S_IRUGO | S_IWUSR, show_temp, | |
2093 | store_temp, 0, 3); | |
b7a61353 GR |
2094 | SENSOR_TEMPLATE_2(temp_lcrit, "temp%d_lcrit", S_IRUGO | S_IWUSR, show_temp, |
2095 | store_temp, 0, 4); | |
f73cf632 GR |
2096 | SENSOR_TEMPLATE(temp_offset, "temp%d_offset", S_IRUGO | S_IWUSR, |
2097 | show_temp_offset, store_temp_offset, 0); | |
2098 | SENSOR_TEMPLATE(temp_type, "temp%d_type", S_IRUGO | S_IWUSR, show_temp_type, | |
2099 | store_temp_type, 0); | |
2100 | SENSOR_TEMPLATE(temp_alarm, "temp%d_alarm", S_IRUGO, show_temp_alarm, NULL, 0); | |
30846993 GR |
2101 | SENSOR_TEMPLATE(temp_beep, "temp%d_beep", S_IRUGO | S_IWUSR, show_temp_beep, |
2102 | store_temp_beep, 0); | |
f73cf632 GR |
2103 | |
2104 | /* | |
2105 | * nct6775_temp_is_visible uses the index into the following array | |
2106 | * to determine if attributes should be created or not. | |
2107 | * Any change in order or content must be matched. | |
2108 | */ | |
2109 | static struct sensor_device_template *nct6775_attributes_temp_template[] = { | |
2110 | &sensor_dev_template_temp_input, | |
2111 | &sensor_dev_template_temp_label, | |
2112 | &sensor_dev_template_temp_alarm, /* 2 */ | |
30846993 GR |
2113 | &sensor_dev_template_temp_beep, /* 3 */ |
2114 | &sensor_dev_template_temp_max, /* 4 */ | |
2115 | &sensor_dev_template_temp_max_hyst, /* 5 */ | |
2116 | &sensor_dev_template_temp_crit, /* 6 */ | |
2117 | &sensor_dev_template_temp_lcrit, /* 7 */ | |
2118 | &sensor_dev_template_temp_offset, /* 8 */ | |
2119 | &sensor_dev_template_temp_type, /* 9 */ | |
f73cf632 | 2120 | NULL |
aa136e5d GR |
2121 | }; |
2122 | ||
f73cf632 GR |
2123 | static struct sensor_template_group nct6775_temp_template_group = { |
2124 | .templates = nct6775_attributes_temp_template, | |
2125 | .is_visible = nct6775_temp_is_visible, | |
2126 | .base = 1, | |
aa136e5d GR |
2127 | }; |
2128 | ||
77eb5b37 GR |
2129 | static ssize_t |
2130 | show_pwm_mode(struct device *dev, struct device_attribute *attr, char *buf) | |
2131 | { | |
2132 | struct nct6775_data *data = nct6775_update_device(dev); | |
2133 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2134 | ||
2135 | return sprintf(buf, "%d\n", !data->pwm_mode[sattr->index]); | |
2136 | } | |
2137 | ||
2138 | static ssize_t | |
2139 | store_pwm_mode(struct device *dev, struct device_attribute *attr, | |
2140 | const char *buf, size_t count) | |
2141 | { | |
2142 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2143 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2144 | int nr = sattr->index; | |
2145 | unsigned long val; | |
2146 | int err; | |
2147 | u8 reg; | |
2148 | ||
2149 | err = kstrtoul(buf, 10, &val); | |
2150 | if (err < 0) | |
2151 | return err; | |
2152 | ||
2153 | if (val > 1) | |
2154 | return -EINVAL; | |
2155 | ||
2156 | /* Setting DC mode is not supported for all chips/channels */ | |
2157 | if (data->REG_PWM_MODE[nr] == 0) { | |
2158 | if (val) | |
2159 | return -EINVAL; | |
2160 | return count; | |
2161 | } | |
2162 | ||
2163 | mutex_lock(&data->update_lock); | |
2164 | data->pwm_mode[nr] = val; | |
2165 | reg = nct6775_read_value(data, data->REG_PWM_MODE[nr]); | |
2166 | reg &= ~data->PWM_MODE_MASK[nr]; | |
2167 | if (val) | |
2168 | reg |= data->PWM_MODE_MASK[nr]; | |
2169 | nct6775_write_value(data, data->REG_PWM_MODE[nr], reg); | |
2170 | mutex_unlock(&data->update_lock); | |
2171 | return count; | |
2172 | } | |
2173 | ||
2174 | static ssize_t | |
2175 | show_pwm(struct device *dev, struct device_attribute *attr, char *buf) | |
2176 | { | |
2177 | struct nct6775_data *data = nct6775_update_device(dev); | |
2178 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2179 | int nr = sattr->nr; | |
2180 | int index = sattr->index; | |
2181 | int pwm; | |
2182 | ||
2183 | /* | |
2184 | * For automatic fan control modes, show current pwm readings. | |
2185 | * Otherwise, show the configured value. | |
2186 | */ | |
2187 | if (index == 0 && data->pwm_enable[nr] > manual) | |
2188 | pwm = nct6775_read_value(data, data->REG_PWM_READ[nr]); | |
2189 | else | |
2190 | pwm = data->pwm[index][nr]; | |
2191 | ||
2192 | return sprintf(buf, "%d\n", pwm); | |
2193 | } | |
2194 | ||
2195 | static ssize_t | |
2196 | store_pwm(struct device *dev, struct device_attribute *attr, const char *buf, | |
2197 | size_t count) | |
2198 | { | |
2199 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2200 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2201 | int nr = sattr->nr; | |
2202 | int index = sattr->index; | |
2203 | unsigned long val; | |
bbd8decd GR |
2204 | int minval[7] = { 0, 1, 1, data->pwm[2][nr], 0, 0, 0 }; |
2205 | int maxval[7] | |
2206 | = { 255, 255, data->pwm[3][nr] ? : 255, 255, 255, 255, 255 }; | |
77eb5b37 | 2207 | int err; |
cdcaeceb | 2208 | u8 reg; |
77eb5b37 GR |
2209 | |
2210 | err = kstrtoul(buf, 10, &val); | |
2211 | if (err < 0) | |
2212 | return err; | |
cdcaeceb | 2213 | val = clamp_val(val, minval[index], maxval[index]); |
77eb5b37 GR |
2214 | |
2215 | mutex_lock(&data->update_lock); | |
2216 | data->pwm[index][nr] = val; | |
2217 | nct6775_write_value(data, data->REG_PWM[index][nr], val); | |
cdcaeceb GR |
2218 | if (index == 2) { /* floor: disable if val == 0 */ |
2219 | reg = nct6775_read_value(data, data->REG_TEMP_SEL[nr]); | |
2220 | reg &= 0x7f; | |
2221 | if (val) | |
2222 | reg |= 0x80; | |
2223 | nct6775_write_value(data, data->REG_TEMP_SEL[nr], reg); | |
2224 | } | |
77eb5b37 GR |
2225 | mutex_unlock(&data->update_lock); |
2226 | return count; | |
2227 | } | |
2228 | ||
cdcaeceb GR |
2229 | /* Returns 0 if OK, -EINVAL otherwise */ |
2230 | static int check_trip_points(struct nct6775_data *data, int nr) | |
2231 | { | |
2232 | int i; | |
2233 | ||
2234 | for (i = 0; i < data->auto_pwm_num - 1; i++) { | |
2235 | if (data->auto_temp[nr][i] > data->auto_temp[nr][i + 1]) | |
2236 | return -EINVAL; | |
2237 | } | |
2238 | for (i = 0; i < data->auto_pwm_num - 1; i++) { | |
2239 | if (data->auto_pwm[nr][i] > data->auto_pwm[nr][i + 1]) | |
2240 | return -EINVAL; | |
2241 | } | |
2242 | /* validate critical temperature and pwm if enabled (pwm > 0) */ | |
2243 | if (data->auto_pwm[nr][data->auto_pwm_num]) { | |
2244 | if (data->auto_temp[nr][data->auto_pwm_num - 1] > | |
2245 | data->auto_temp[nr][data->auto_pwm_num] || | |
2246 | data->auto_pwm[nr][data->auto_pwm_num - 1] > | |
2247 | data->auto_pwm[nr][data->auto_pwm_num]) | |
2248 | return -EINVAL; | |
2249 | } | |
2250 | return 0; | |
2251 | } | |
2252 | ||
2253 | static void pwm_update_registers(struct nct6775_data *data, int nr) | |
2254 | { | |
2255 | u8 reg; | |
2256 | ||
2257 | switch (data->pwm_enable[nr]) { | |
2258 | case off: | |
2259 | case manual: | |
2260 | break; | |
2261 | case speed_cruise: | |
2262 | reg = nct6775_read_value(data, data->REG_FAN_MODE[nr]); | |
2263 | reg = (reg & ~data->tolerance_mask) | | |
2264 | (data->target_speed_tolerance[nr] & data->tolerance_mask); | |
2265 | nct6775_write_value(data, data->REG_FAN_MODE[nr], reg); | |
2266 | nct6775_write_value(data, data->REG_TARGET[nr], | |
2267 | data->target_speed[nr] & 0xff); | |
2268 | if (data->REG_TOLERANCE_H) { | |
2269 | reg = (data->target_speed[nr] >> 8) & 0x0f; | |
2270 | reg |= (data->target_speed_tolerance[nr] & 0x38) << 1; | |
2271 | nct6775_write_value(data, | |
2272 | data->REG_TOLERANCE_H[nr], | |
2273 | reg); | |
2274 | } | |
2275 | break; | |
2276 | case thermal_cruise: | |
2277 | nct6775_write_value(data, data->REG_TARGET[nr], | |
2278 | data->target_temp[nr]); | |
2279 | /* intentional */ | |
2280 | default: | |
2281 | reg = nct6775_read_value(data, data->REG_FAN_MODE[nr]); | |
2282 | reg = (reg & ~data->tolerance_mask) | | |
2283 | data->temp_tolerance[0][nr]; | |
2284 | nct6775_write_value(data, data->REG_FAN_MODE[nr], reg); | |
2285 | break; | |
2286 | } | |
2287 | } | |
2288 | ||
77eb5b37 GR |
2289 | static ssize_t |
2290 | show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf) | |
2291 | { | |
2292 | struct nct6775_data *data = nct6775_update_device(dev); | |
2293 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2294 | ||
2295 | return sprintf(buf, "%d\n", data->pwm_enable[sattr->index]); | |
2296 | } | |
2297 | ||
2298 | static ssize_t | |
2299 | store_pwm_enable(struct device *dev, struct device_attribute *attr, | |
2300 | const char *buf, size_t count) | |
2301 | { | |
2302 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2303 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2304 | int nr = sattr->index; | |
2305 | unsigned long val; | |
2306 | int err; | |
2307 | u16 reg; | |
2308 | ||
2309 | err = kstrtoul(buf, 10, &val); | |
2310 | if (err < 0) | |
2311 | return err; | |
2312 | ||
2313 | if (val > sf4) | |
2314 | return -EINVAL; | |
2315 | ||
2316 | if (val == sf3 && data->kind != nct6775) | |
2317 | return -EINVAL; | |
2318 | ||
cdcaeceb GR |
2319 | if (val == sf4 && check_trip_points(data, nr)) { |
2320 | dev_err(dev, "Inconsistent trip points, not switching to SmartFan IV mode\n"); | |
2321 | dev_err(dev, "Adjust trip points and try again\n"); | |
2322 | return -EINVAL; | |
2323 | } | |
2324 | ||
77eb5b37 GR |
2325 | mutex_lock(&data->update_lock); |
2326 | data->pwm_enable[nr] = val; | |
2327 | if (val == off) { | |
2328 | /* | |
2329 | * turn off pwm control: select manual mode, set pwm to maximum | |
2330 | */ | |
2331 | data->pwm[0][nr] = 255; | |
2332 | nct6775_write_value(data, data->REG_PWM[0][nr], 255); | |
2333 | } | |
cdcaeceb | 2334 | pwm_update_registers(data, nr); |
77eb5b37 GR |
2335 | reg = nct6775_read_value(data, data->REG_FAN_MODE[nr]); |
2336 | reg &= 0x0f; | |
2337 | reg |= pwm_enable_to_reg(val) << 4; | |
2338 | nct6775_write_value(data, data->REG_FAN_MODE[nr], reg); | |
2339 | mutex_unlock(&data->update_lock); | |
2340 | return count; | |
2341 | } | |
2342 | ||
cdcaeceb | 2343 | static ssize_t |
bbd8decd | 2344 | show_pwm_temp_sel_common(struct nct6775_data *data, char *buf, int src) |
cdcaeceb | 2345 | { |
bbd8decd | 2346 | int i, sel = 0; |
cdcaeceb GR |
2347 | |
2348 | for (i = 0; i < NUM_TEMP; i++) { | |
2349 | if (!(data->have_temp & (1 << i))) | |
2350 | continue; | |
2351 | if (src == data->temp_src[i]) { | |
2352 | sel = i + 1; | |
2353 | break; | |
2354 | } | |
2355 | } | |
2356 | ||
2357 | return sprintf(buf, "%d\n", sel); | |
2358 | } | |
2359 | ||
bbd8decd GR |
2360 | static ssize_t |
2361 | show_pwm_temp_sel(struct device *dev, struct device_attribute *attr, char *buf) | |
2362 | { | |
2363 | struct nct6775_data *data = nct6775_update_device(dev); | |
2364 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2365 | int index = sattr->index; | |
2366 | ||
2367 | return show_pwm_temp_sel_common(data, buf, data->pwm_temp_sel[index]); | |
2368 | } | |
2369 | ||
cdcaeceb GR |
2370 | static ssize_t |
2371 | store_pwm_temp_sel(struct device *dev, struct device_attribute *attr, | |
2372 | const char *buf, size_t count) | |
2373 | { | |
2374 | struct nct6775_data *data = nct6775_update_device(dev); | |
2375 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2376 | int nr = sattr->index; | |
2377 | unsigned long val; | |
2378 | int err, reg, src; | |
2379 | ||
2380 | err = kstrtoul(buf, 10, &val); | |
2381 | if (err < 0) | |
2382 | return err; | |
2383 | if (val == 0 || val > NUM_TEMP) | |
2384 | return -EINVAL; | |
2385 | if (!(data->have_temp & (1 << (val - 1))) || !data->temp_src[val - 1]) | |
2386 | return -EINVAL; | |
2387 | ||
2388 | mutex_lock(&data->update_lock); | |
2389 | src = data->temp_src[val - 1]; | |
2390 | data->pwm_temp_sel[nr] = src; | |
2391 | reg = nct6775_read_value(data, data->REG_TEMP_SEL[nr]); | |
2392 | reg &= 0xe0; | |
2393 | reg |= src; | |
2394 | nct6775_write_value(data, data->REG_TEMP_SEL[nr], reg); | |
2395 | mutex_unlock(&data->update_lock); | |
2396 | ||
2397 | return count; | |
2398 | } | |
2399 | ||
bbd8decd GR |
2400 | static ssize_t |
2401 | show_pwm_weight_temp_sel(struct device *dev, struct device_attribute *attr, | |
2402 | char *buf) | |
2403 | { | |
2404 | struct nct6775_data *data = nct6775_update_device(dev); | |
2405 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2406 | int index = sattr->index; | |
2407 | ||
2408 | return show_pwm_temp_sel_common(data, buf, | |
2409 | data->pwm_weight_temp_sel[index]); | |
2410 | } | |
2411 | ||
2412 | static ssize_t | |
2413 | store_pwm_weight_temp_sel(struct device *dev, struct device_attribute *attr, | |
2414 | const char *buf, size_t count) | |
2415 | { | |
2416 | struct nct6775_data *data = nct6775_update_device(dev); | |
2417 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2418 | int nr = sattr->index; | |
2419 | unsigned long val; | |
2420 | int err, reg, src; | |
2421 | ||
2422 | err = kstrtoul(buf, 10, &val); | |
2423 | if (err < 0) | |
2424 | return err; | |
2425 | if (val > NUM_TEMP) | |
2426 | return -EINVAL; | |
2427 | if (val && (!(data->have_temp & (1 << (val - 1))) || | |
2428 | !data->temp_src[val - 1])) | |
2429 | return -EINVAL; | |
2430 | ||
2431 | mutex_lock(&data->update_lock); | |
2432 | if (val) { | |
2433 | src = data->temp_src[val - 1]; | |
2434 | data->pwm_weight_temp_sel[nr] = src; | |
2435 | reg = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[nr]); | |
2436 | reg &= 0xe0; | |
2437 | reg |= (src | 0x80); | |
2438 | nct6775_write_value(data, data->REG_WEIGHT_TEMP_SEL[nr], reg); | |
2439 | } else { | |
2440 | data->pwm_weight_temp_sel[nr] = 0; | |
2441 | reg = nct6775_read_value(data, data->REG_WEIGHT_TEMP_SEL[nr]); | |
2442 | reg &= 0x7f; | |
2443 | nct6775_write_value(data, data->REG_WEIGHT_TEMP_SEL[nr], reg); | |
2444 | } | |
2445 | mutex_unlock(&data->update_lock); | |
2446 | ||
2447 | return count; | |
2448 | } | |
2449 | ||
cdcaeceb GR |
2450 | static ssize_t |
2451 | show_target_temp(struct device *dev, struct device_attribute *attr, char *buf) | |
2452 | { | |
2453 | struct nct6775_data *data = nct6775_update_device(dev); | |
2454 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2455 | ||
2456 | return sprintf(buf, "%d\n", data->target_temp[sattr->index] * 1000); | |
2457 | } | |
2458 | ||
2459 | static ssize_t | |
2460 | store_target_temp(struct device *dev, struct device_attribute *attr, | |
2461 | const char *buf, size_t count) | |
2462 | { | |
2463 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2464 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2465 | int nr = sattr->index; | |
2466 | unsigned long val; | |
2467 | int err; | |
2468 | ||
2469 | err = kstrtoul(buf, 10, &val); | |
2470 | if (err < 0) | |
2471 | return err; | |
2472 | ||
2473 | val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, | |
2474 | data->target_temp_mask); | |
2475 | ||
2476 | mutex_lock(&data->update_lock); | |
2477 | data->target_temp[nr] = val; | |
2478 | pwm_update_registers(data, nr); | |
2479 | mutex_unlock(&data->update_lock); | |
2480 | return count; | |
2481 | } | |
2482 | ||
2483 | static ssize_t | |
2484 | show_target_speed(struct device *dev, struct device_attribute *attr, char *buf) | |
2485 | { | |
2486 | struct nct6775_data *data = nct6775_update_device(dev); | |
2487 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2488 | int nr = sattr->index; | |
2489 | ||
2490 | return sprintf(buf, "%d\n", | |
2491 | fan_from_reg16(data->target_speed[nr], | |
2492 | data->fan_div[nr])); | |
2493 | } | |
2494 | ||
2495 | static ssize_t | |
2496 | store_target_speed(struct device *dev, struct device_attribute *attr, | |
2497 | const char *buf, size_t count) | |
2498 | { | |
2499 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2500 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2501 | int nr = sattr->index; | |
2502 | unsigned long val; | |
2503 | int err; | |
2504 | u16 speed; | |
2505 | ||
2506 | err = kstrtoul(buf, 10, &val); | |
2507 | if (err < 0) | |
2508 | return err; | |
2509 | ||
2510 | val = clamp_val(val, 0, 1350000U); | |
2511 | speed = fan_to_reg(val, data->fan_div[nr]); | |
2512 | ||
2513 | mutex_lock(&data->update_lock); | |
2514 | data->target_speed[nr] = speed; | |
2515 | pwm_update_registers(data, nr); | |
2516 | mutex_unlock(&data->update_lock); | |
2517 | return count; | |
2518 | } | |
2519 | ||
2520 | static ssize_t | |
2521 | show_temp_tolerance(struct device *dev, struct device_attribute *attr, | |
2522 | char *buf) | |
2523 | { | |
2524 | struct nct6775_data *data = nct6775_update_device(dev); | |
2525 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2526 | int nr = sattr->nr; | |
2527 | int index = sattr->index; | |
2528 | ||
2529 | return sprintf(buf, "%d\n", data->temp_tolerance[index][nr] * 1000); | |
2530 | } | |
2531 | ||
2532 | static ssize_t | |
2533 | store_temp_tolerance(struct device *dev, struct device_attribute *attr, | |
2534 | const char *buf, size_t count) | |
2535 | { | |
2536 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2537 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2538 | int nr = sattr->nr; | |
2539 | int index = sattr->index; | |
2540 | unsigned long val; | |
2541 | int err; | |
2542 | ||
2543 | err = kstrtoul(buf, 10, &val); | |
2544 | if (err < 0) | |
2545 | return err; | |
2546 | ||
2547 | /* Limit tolerance as needed */ | |
2548 | val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, data->tolerance_mask); | |
2549 | ||
2550 | mutex_lock(&data->update_lock); | |
2551 | data->temp_tolerance[index][nr] = val; | |
2552 | if (index) | |
2553 | pwm_update_registers(data, nr); | |
2554 | else | |
2555 | nct6775_write_value(data, | |
2556 | data->REG_CRITICAL_TEMP_TOLERANCE[nr], | |
2557 | val); | |
2558 | mutex_unlock(&data->update_lock); | |
2559 | return count; | |
2560 | } | |
2561 | ||
2562 | /* | |
2563 | * Fan speed tolerance is a tricky beast, since the associated register is | |
2564 | * a tick counter, but the value is reported and configured as rpm. | |
2565 | * Compute resulting low and high rpm values and report the difference. | |
2566 | */ | |
2567 | static ssize_t | |
2568 | show_speed_tolerance(struct device *dev, struct device_attribute *attr, | |
2569 | char *buf) | |
2570 | { | |
2571 | struct nct6775_data *data = nct6775_update_device(dev); | |
2572 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2573 | int nr = sattr->index; | |
2574 | int low = data->target_speed[nr] - data->target_speed_tolerance[nr]; | |
2575 | int high = data->target_speed[nr] + data->target_speed_tolerance[nr]; | |
2576 | int tolerance; | |
2577 | ||
2578 | if (low <= 0) | |
2579 | low = 1; | |
2580 | if (high > 0xffff) | |
2581 | high = 0xffff; | |
2582 | if (high < low) | |
2583 | high = low; | |
2584 | ||
2585 | tolerance = (fan_from_reg16(low, data->fan_div[nr]) | |
2586 | - fan_from_reg16(high, data->fan_div[nr])) / 2; | |
2587 | ||
2588 | return sprintf(buf, "%d\n", tolerance); | |
2589 | } | |
2590 | ||
2591 | static ssize_t | |
2592 | store_speed_tolerance(struct device *dev, struct device_attribute *attr, | |
2593 | const char *buf, size_t count) | |
2594 | { | |
2595 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2596 | struct sensor_device_attribute *sattr = to_sensor_dev_attr(attr); | |
2597 | int nr = sattr->index; | |
2598 | unsigned long val; | |
2599 | int err; | |
2600 | int low, high; | |
2601 | ||
2602 | err = kstrtoul(buf, 10, &val); | |
2603 | if (err < 0) | |
2604 | return err; | |
2605 | ||
2606 | high = fan_from_reg16(data->target_speed[nr], | |
2607 | data->fan_div[nr]) + val; | |
2608 | low = fan_from_reg16(data->target_speed[nr], | |
2609 | data->fan_div[nr]) - val; | |
2610 | if (low <= 0) | |
2611 | low = 1; | |
2612 | if (high < low) | |
2613 | high = low; | |
2614 | ||
2615 | val = (fan_to_reg(low, data->fan_div[nr]) - | |
2616 | fan_to_reg(high, data->fan_div[nr])) / 2; | |
2617 | ||
2618 | /* Limit tolerance as needed */ | |
2619 | val = clamp_val(val, 0, data->speed_tolerance_limit); | |
2620 | ||
2621 | mutex_lock(&data->update_lock); | |
2622 | data->target_speed_tolerance[nr] = val; | |
2623 | pwm_update_registers(data, nr); | |
2624 | mutex_unlock(&data->update_lock); | |
2625 | return count; | |
2626 | } | |
2627 | ||
f73cf632 GR |
2628 | SENSOR_TEMPLATE_2(pwm, "pwm%d", S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0, 0); |
2629 | SENSOR_TEMPLATE(pwm_mode, "pwm%d_mode", S_IWUSR | S_IRUGO, show_pwm_mode, | |
2630 | store_pwm_mode, 0); | |
2631 | SENSOR_TEMPLATE(pwm_enable, "pwm%d_enable", S_IWUSR | S_IRUGO, show_pwm_enable, | |
2632 | store_pwm_enable, 0); | |
2633 | SENSOR_TEMPLATE(pwm_temp_sel, "pwm%d_temp_sel", S_IWUSR | S_IRUGO, | |
2634 | show_pwm_temp_sel, store_pwm_temp_sel, 0); | |
2635 | SENSOR_TEMPLATE(pwm_target_temp, "pwm%d_target_temp", S_IWUSR | S_IRUGO, | |
2636 | show_target_temp, store_target_temp, 0); | |
2637 | SENSOR_TEMPLATE(fan_target, "fan%d_target", S_IWUSR | S_IRUGO, | |
2638 | show_target_speed, store_target_speed, 0); | |
2639 | SENSOR_TEMPLATE(fan_tolerance, "fan%d_tolerance", S_IWUSR | S_IRUGO, | |
2640 | show_speed_tolerance, store_speed_tolerance, 0); | |
cdcaeceb GR |
2641 | |
2642 | /* Smart Fan registers */ | |
2643 | ||
bbd8decd GR |
2644 | static ssize_t |
2645 | show_weight_temp(struct device *dev, struct device_attribute *attr, char *buf) | |
2646 | { | |
2647 | struct nct6775_data *data = nct6775_update_device(dev); | |
2648 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2649 | int nr = sattr->nr; | |
2650 | int index = sattr->index; | |
2651 | ||
2652 | return sprintf(buf, "%d\n", data->weight_temp[index][nr] * 1000); | |
2653 | } | |
2654 | ||
2655 | static ssize_t | |
2656 | store_weight_temp(struct device *dev, struct device_attribute *attr, | |
2657 | const char *buf, size_t count) | |
2658 | { | |
2659 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2660 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2661 | int nr = sattr->nr; | |
2662 | int index = sattr->index; | |
2663 | unsigned long val; | |
2664 | int err; | |
2665 | ||
2666 | err = kstrtoul(buf, 10, &val); | |
2667 | if (err < 0) | |
2668 | return err; | |
2669 | ||
2670 | val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 255); | |
2671 | ||
2672 | mutex_lock(&data->update_lock); | |
2673 | data->weight_temp[index][nr] = val; | |
2674 | nct6775_write_value(data, data->REG_WEIGHT_TEMP[index][nr], val); | |
2675 | mutex_unlock(&data->update_lock); | |
2676 | return count; | |
2677 | } | |
2678 | ||
f73cf632 GR |
2679 | SENSOR_TEMPLATE(pwm_weight_temp_sel, "pwm%d_weight_temp_sel", S_IWUSR | S_IRUGO, |
2680 | show_pwm_weight_temp_sel, store_pwm_weight_temp_sel, 0); | |
2681 | SENSOR_TEMPLATE_2(pwm_weight_temp_step, "pwm%d_weight_temp_step", | |
2682 | S_IWUSR | S_IRUGO, show_weight_temp, store_weight_temp, 0, 0); | |
2683 | SENSOR_TEMPLATE_2(pwm_weight_temp_step_tol, "pwm%d_weight_temp_step_tol", | |
2684 | S_IWUSR | S_IRUGO, show_weight_temp, store_weight_temp, 0, 1); | |
2685 | SENSOR_TEMPLATE_2(pwm_weight_temp_step_base, "pwm%d_weight_temp_step_base", | |
2686 | S_IWUSR | S_IRUGO, show_weight_temp, store_weight_temp, 0, 2); | |
2687 | SENSOR_TEMPLATE_2(pwm_weight_duty_step, "pwm%d_weight_duty_step", | |
2688 | S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0, 5); | |
2689 | SENSOR_TEMPLATE_2(pwm_weight_duty_base, "pwm%d_weight_duty_base", | |
2690 | S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0, 6); | |
bbd8decd | 2691 | |
cdcaeceb GR |
2692 | static ssize_t |
2693 | show_fan_time(struct device *dev, struct device_attribute *attr, char *buf) | |
2694 | { | |
2695 | struct nct6775_data *data = nct6775_update_device(dev); | |
2696 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2697 | int nr = sattr->nr; | |
2698 | int index = sattr->index; | |
2699 | ||
2700 | return sprintf(buf, "%d\n", | |
2701 | step_time_from_reg(data->fan_time[index][nr], | |
2702 | data->pwm_mode[nr])); | |
2703 | } | |
2704 | ||
2705 | static ssize_t | |
2706 | store_fan_time(struct device *dev, struct device_attribute *attr, | |
2707 | const char *buf, size_t count) | |
2708 | { | |
2709 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2710 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2711 | int nr = sattr->nr; | |
2712 | int index = sattr->index; | |
2713 | unsigned long val; | |
2714 | int err; | |
2715 | ||
2716 | err = kstrtoul(buf, 10, &val); | |
2717 | if (err < 0) | |
2718 | return err; | |
2719 | ||
2720 | val = step_time_to_reg(val, data->pwm_mode[nr]); | |
2721 | mutex_lock(&data->update_lock); | |
2722 | data->fan_time[index][nr] = val; | |
2723 | nct6775_write_value(data, data->REG_FAN_TIME[index][nr], val); | |
2724 | mutex_unlock(&data->update_lock); | |
2725 | return count; | |
2726 | } | |
2727 | ||
9de2e2e8 GR |
2728 | static ssize_t |
2729 | show_name(struct device *dev, struct device_attribute *attr, char *buf) | |
2730 | { | |
2731 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2732 | ||
2733 | return sprintf(buf, "%s\n", data->name); | |
2734 | } | |
2735 | ||
2736 | static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); | |
2737 | ||
cdcaeceb GR |
2738 | static ssize_t |
2739 | show_auto_pwm(struct device *dev, struct device_attribute *attr, char *buf) | |
2740 | { | |
2741 | struct nct6775_data *data = nct6775_update_device(dev); | |
2742 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2743 | ||
2744 | return sprintf(buf, "%d\n", data->auto_pwm[sattr->nr][sattr->index]); | |
2745 | } | |
2746 | ||
2747 | static ssize_t | |
2748 | store_auto_pwm(struct device *dev, struct device_attribute *attr, | |
2749 | const char *buf, size_t count) | |
2750 | { | |
2751 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2752 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2753 | int nr = sattr->nr; | |
2754 | int point = sattr->index; | |
2755 | unsigned long val; | |
2756 | int err; | |
2757 | u8 reg; | |
2758 | ||
2759 | err = kstrtoul(buf, 10, &val); | |
2760 | if (err < 0) | |
2761 | return err; | |
2762 | if (val > 255) | |
2763 | return -EINVAL; | |
2764 | ||
2765 | if (point == data->auto_pwm_num) { | |
2766 | if (data->kind != nct6775 && !val) | |
2767 | return -EINVAL; | |
2768 | if (data->kind != nct6779 && val) | |
2769 | val = 0xff; | |
2770 | } | |
2771 | ||
2772 | mutex_lock(&data->update_lock); | |
2773 | data->auto_pwm[nr][point] = val; | |
2774 | if (point < data->auto_pwm_num) { | |
2775 | nct6775_write_value(data, | |
2776 | NCT6775_AUTO_PWM(data, nr, point), | |
2777 | data->auto_pwm[nr][point]); | |
2778 | } else { | |
2779 | switch (data->kind) { | |
2780 | case nct6775: | |
2781 | /* disable if needed (pwm == 0) */ | |
2782 | reg = nct6775_read_value(data, | |
2783 | NCT6775_REG_CRITICAL_ENAB[nr]); | |
2784 | if (val) | |
2785 | reg |= 0x02; | |
2786 | else | |
2787 | reg &= ~0x02; | |
2788 | nct6775_write_value(data, NCT6775_REG_CRITICAL_ENAB[nr], | |
2789 | reg); | |
2790 | break; | |
2791 | case nct6776: | |
2792 | break; /* always enabled, nothing to do */ | |
6c009501 | 2793 | case nct6106: |
cdcaeceb | 2794 | case nct6779: |
578ab5f0 | 2795 | case nct6791: |
6c009501 | 2796 | nct6775_write_value(data, data->REG_CRITICAL_PWM[nr], |
cdcaeceb GR |
2797 | val); |
2798 | reg = nct6775_read_value(data, | |
6c009501 | 2799 | data->REG_CRITICAL_PWM_ENABLE[nr]); |
cdcaeceb | 2800 | if (val == 255) |
6c009501 | 2801 | reg &= ~data->CRITICAL_PWM_ENABLE_MASK; |
cdcaeceb | 2802 | else |
6c009501 | 2803 | reg |= data->CRITICAL_PWM_ENABLE_MASK; |
cdcaeceb | 2804 | nct6775_write_value(data, |
6c009501 | 2805 | data->REG_CRITICAL_PWM_ENABLE[nr], |
cdcaeceb GR |
2806 | reg); |
2807 | break; | |
2808 | } | |
2809 | } | |
2810 | mutex_unlock(&data->update_lock); | |
2811 | return count; | |
2812 | } | |
2813 | ||
2814 | static ssize_t | |
2815 | show_auto_temp(struct device *dev, struct device_attribute *attr, char *buf) | |
2816 | { | |
2817 | struct nct6775_data *data = nct6775_update_device(dev); | |
2818 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2819 | int nr = sattr->nr; | |
2820 | int point = sattr->index; | |
2821 | ||
2822 | /* | |
2823 | * We don't know for sure if the temperature is signed or unsigned. | |
2824 | * Assume it is unsigned. | |
2825 | */ | |
2826 | return sprintf(buf, "%d\n", data->auto_temp[nr][point] * 1000); | |
2827 | } | |
2828 | ||
2829 | static ssize_t | |
2830 | store_auto_temp(struct device *dev, struct device_attribute *attr, | |
2831 | const char *buf, size_t count) | |
2832 | { | |
2833 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2834 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
2835 | int nr = sattr->nr; | |
2836 | int point = sattr->index; | |
2837 | unsigned long val; | |
2838 | int err; | |
2839 | ||
2840 | err = kstrtoul(buf, 10, &val); | |
2841 | if (err) | |
2842 | return err; | |
2843 | if (val > 255000) | |
2844 | return -EINVAL; | |
2845 | ||
2846 | mutex_lock(&data->update_lock); | |
2847 | data->auto_temp[nr][point] = DIV_ROUND_CLOSEST(val, 1000); | |
2848 | if (point < data->auto_pwm_num) { | |
2849 | nct6775_write_value(data, | |
2850 | NCT6775_AUTO_TEMP(data, nr, point), | |
2851 | data->auto_temp[nr][point]); | |
2852 | } else { | |
2853 | nct6775_write_value(data, data->REG_CRITICAL_TEMP[nr], | |
2854 | data->auto_temp[nr][point]); | |
2855 | } | |
2856 | mutex_unlock(&data->update_lock); | |
2857 | return count; | |
2858 | } | |
2859 | ||
f73cf632 GR |
2860 | static umode_t nct6775_pwm_is_visible(struct kobject *kobj, |
2861 | struct attribute *attr, int index) | |
2862 | { | |
2863 | struct device *dev = container_of(kobj, struct device, kobj); | |
2864 | struct nct6775_data *data = dev_get_drvdata(dev); | |
2865 | int pwm = index / 36; /* pwm index */ | |
2866 | int nr = index % 36; /* attribute index */ | |
2867 | ||
2868 | if (!(data->has_pwm & (1 << pwm))) | |
2869 | return 0; | |
2870 | ||
2871 | if (nr == 19 && data->REG_PWM[3] == NULL) /* pwm_max */ | |
2872 | return 0; | |
2873 | if (nr == 20 && data->REG_PWM[4] == NULL) /* pwm_step */ | |
2874 | return 0; | |
2875 | if (nr == 21 && data->REG_PWM[6] == NULL) /* weight_duty_base */ | |
2876 | return 0; | |
2877 | ||
2878 | if (nr >= 22 && nr <= 35) { /* auto point */ | |
2879 | int api = (nr - 22) / 2; /* auto point index */ | |
2880 | ||
2881 | if (api > data->auto_pwm_num) | |
2882 | return 0; | |
2883 | } | |
2884 | return attr->mode; | |
2885 | } | |
2886 | ||
2887 | SENSOR_TEMPLATE_2(pwm_stop_time, "pwm%d_stop_time", S_IWUSR | S_IRUGO, | |
2888 | show_fan_time, store_fan_time, 0, 0); | |
2889 | SENSOR_TEMPLATE_2(pwm_step_up_time, "pwm%d_step_up_time", S_IWUSR | S_IRUGO, | |
2890 | show_fan_time, store_fan_time, 0, 1); | |
2891 | SENSOR_TEMPLATE_2(pwm_step_down_time, "pwm%d_step_down_time", S_IWUSR | S_IRUGO, | |
2892 | show_fan_time, store_fan_time, 0, 2); | |
2893 | SENSOR_TEMPLATE_2(pwm_start, "pwm%d_start", S_IWUSR | S_IRUGO, show_pwm, | |
2894 | store_pwm, 0, 1); | |
2895 | SENSOR_TEMPLATE_2(pwm_floor, "pwm%d_floor", S_IWUSR | S_IRUGO, show_pwm, | |
2896 | store_pwm, 0, 2); | |
2897 | SENSOR_TEMPLATE_2(pwm_temp_tolerance, "pwm%d_temp_tolerance", S_IWUSR | S_IRUGO, | |
2898 | show_temp_tolerance, store_temp_tolerance, 0, 0); | |
2899 | SENSOR_TEMPLATE_2(pwm_crit_temp_tolerance, "pwm%d_crit_temp_tolerance", | |
2900 | S_IWUSR | S_IRUGO, show_temp_tolerance, store_temp_tolerance, | |
2901 | 0, 1); | |
2902 | ||
2903 | SENSOR_TEMPLATE_2(pwm_max, "pwm%d_max", S_IWUSR | S_IRUGO, show_pwm, store_pwm, | |
2904 | 0, 3); | |
2905 | ||
2906 | SENSOR_TEMPLATE_2(pwm_step, "pwm%d_step", S_IWUSR | S_IRUGO, show_pwm, | |
2907 | store_pwm, 0, 4); | |
2908 | ||
2909 | SENSOR_TEMPLATE_2(pwm_auto_point1_pwm, "pwm%d_auto_point1_pwm", | |
2910 | S_IWUSR | S_IRUGO, show_auto_pwm, store_auto_pwm, 0, 0); | |
2911 | SENSOR_TEMPLATE_2(pwm_auto_point1_temp, "pwm%d_auto_point1_temp", | |
2912 | S_IWUSR | S_IRUGO, show_auto_temp, store_auto_temp, 0, 0); | |
2913 | ||
2914 | SENSOR_TEMPLATE_2(pwm_auto_point2_pwm, "pwm%d_auto_point2_pwm", | |
2915 | S_IWUSR | S_IRUGO, show_auto_pwm, store_auto_pwm, 0, 1); | |
2916 | SENSOR_TEMPLATE_2(pwm_auto_point2_temp, "pwm%d_auto_point2_temp", | |
2917 | S_IWUSR | S_IRUGO, show_auto_temp, store_auto_temp, 0, 1); | |
2918 | ||
2919 | SENSOR_TEMPLATE_2(pwm_auto_point3_pwm, "pwm%d_auto_point3_pwm", | |
2920 | S_IWUSR | S_IRUGO, show_auto_pwm, store_auto_pwm, 0, 2); | |
2921 | SENSOR_TEMPLATE_2(pwm_auto_point3_temp, "pwm%d_auto_point3_temp", | |
2922 | S_IWUSR | S_IRUGO, show_auto_temp, store_auto_temp, 0, 2); | |
2923 | ||
2924 | SENSOR_TEMPLATE_2(pwm_auto_point4_pwm, "pwm%d_auto_point4_pwm", | |
2925 | S_IWUSR | S_IRUGO, show_auto_pwm, store_auto_pwm, 0, 3); | |
2926 | SENSOR_TEMPLATE_2(pwm_auto_point4_temp, "pwm%d_auto_point4_temp", | |
2927 | S_IWUSR | S_IRUGO, show_auto_temp, store_auto_temp, 0, 3); | |
2928 | ||
2929 | SENSOR_TEMPLATE_2(pwm_auto_point5_pwm, "pwm%d_auto_point5_pwm", | |
2930 | S_IWUSR | S_IRUGO, show_auto_pwm, store_auto_pwm, 0, 4); | |
2931 | SENSOR_TEMPLATE_2(pwm_auto_point5_temp, "pwm%d_auto_point5_temp", | |
2932 | S_IWUSR | S_IRUGO, show_auto_temp, store_auto_temp, 0, 4); | |
2933 | ||
2934 | SENSOR_TEMPLATE_2(pwm_auto_point6_pwm, "pwm%d_auto_point6_pwm", | |
2935 | S_IWUSR | S_IRUGO, show_auto_pwm, store_auto_pwm, 0, 5); | |
2936 | SENSOR_TEMPLATE_2(pwm_auto_point6_temp, "pwm%d_auto_point6_temp", | |
2937 | S_IWUSR | S_IRUGO, show_auto_temp, store_auto_temp, 0, 5); | |
2938 | ||
2939 | SENSOR_TEMPLATE_2(pwm_auto_point7_pwm, "pwm%d_auto_point7_pwm", | |
2940 | S_IWUSR | S_IRUGO, show_auto_pwm, store_auto_pwm, 0, 6); | |
2941 | SENSOR_TEMPLATE_2(pwm_auto_point7_temp, "pwm%d_auto_point7_temp", | |
2942 | S_IWUSR | S_IRUGO, show_auto_temp, store_auto_temp, 0, 6); | |
2943 | ||
cdcaeceb | 2944 | /* |
f73cf632 GR |
2945 | * nct6775_pwm_is_visible uses the index into the following array |
2946 | * to determine if attributes should be created or not. | |
2947 | * Any change in order or content must be matched. | |
cdcaeceb | 2948 | */ |
f73cf632 GR |
2949 | static struct sensor_device_template *nct6775_attributes_pwm_template[] = { |
2950 | &sensor_dev_template_pwm, | |
2951 | &sensor_dev_template_pwm_mode, | |
2952 | &sensor_dev_template_pwm_enable, | |
2953 | &sensor_dev_template_pwm_temp_sel, | |
2954 | &sensor_dev_template_pwm_temp_tolerance, | |
2955 | &sensor_dev_template_pwm_crit_temp_tolerance, | |
2956 | &sensor_dev_template_pwm_target_temp, | |
2957 | &sensor_dev_template_fan_target, | |
2958 | &sensor_dev_template_fan_tolerance, | |
2959 | &sensor_dev_template_pwm_stop_time, | |
2960 | &sensor_dev_template_pwm_step_up_time, | |
2961 | &sensor_dev_template_pwm_step_down_time, | |
2962 | &sensor_dev_template_pwm_start, | |
2963 | &sensor_dev_template_pwm_floor, | |
2964 | &sensor_dev_template_pwm_weight_temp_sel, | |
2965 | &sensor_dev_template_pwm_weight_temp_step, | |
2966 | &sensor_dev_template_pwm_weight_temp_step_tol, | |
2967 | &sensor_dev_template_pwm_weight_temp_step_base, | |
2968 | &sensor_dev_template_pwm_weight_duty_step, | |
2969 | &sensor_dev_template_pwm_max, /* 19 */ | |
2970 | &sensor_dev_template_pwm_step, /* 20 */ | |
2971 | &sensor_dev_template_pwm_weight_duty_base, /* 21 */ | |
2972 | &sensor_dev_template_pwm_auto_point1_pwm, /* 22 */ | |
2973 | &sensor_dev_template_pwm_auto_point1_temp, | |
2974 | &sensor_dev_template_pwm_auto_point2_pwm, | |
2975 | &sensor_dev_template_pwm_auto_point2_temp, | |
2976 | &sensor_dev_template_pwm_auto_point3_pwm, | |
2977 | &sensor_dev_template_pwm_auto_point3_temp, | |
2978 | &sensor_dev_template_pwm_auto_point4_pwm, | |
2979 | &sensor_dev_template_pwm_auto_point4_temp, | |
2980 | &sensor_dev_template_pwm_auto_point5_pwm, | |
2981 | &sensor_dev_template_pwm_auto_point5_temp, | |
2982 | &sensor_dev_template_pwm_auto_point6_pwm, | |
2983 | &sensor_dev_template_pwm_auto_point6_temp, | |
2984 | &sensor_dev_template_pwm_auto_point7_pwm, | |
2985 | &sensor_dev_template_pwm_auto_point7_temp, /* 35 */ | |
2986 | ||
2987 | NULL | |
2988 | }; | |
2989 | ||
2990 | static struct sensor_template_group nct6775_pwm_template_group = { | |
2991 | .templates = nct6775_attributes_pwm_template, | |
2992 | .is_visible = nct6775_pwm_is_visible, | |
2993 | .base = 1, | |
cdcaeceb GR |
2994 | }; |
2995 | ||
9de2e2e8 GR |
2996 | static ssize_t |
2997 | show_vid(struct device *dev, struct device_attribute *attr, char *buf) | |
2998 | { | |
2999 | struct nct6775_data *data = dev_get_drvdata(dev); | |
3000 | return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); | |
3001 | } | |
3002 | ||
3003 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); | |
3004 | ||
a6bd5878 GR |
3005 | /* Case open detection */ |
3006 | ||
3007 | static ssize_t | |
3008 | clear_caseopen(struct device *dev, struct device_attribute *attr, | |
3009 | const char *buf, size_t count) | |
3010 | { | |
3011 | struct nct6775_data *data = dev_get_drvdata(dev); | |
a6bd5878 GR |
3012 | int nr = to_sensor_dev_attr(attr)->index - INTRUSION_ALARM_BASE; |
3013 | unsigned long val; | |
3014 | u8 reg; | |
3015 | int ret; | |
3016 | ||
3017 | if (kstrtoul(buf, 10, &val) || val != 0) | |
3018 | return -EINVAL; | |
3019 | ||
3020 | mutex_lock(&data->update_lock); | |
3021 | ||
3022 | /* | |
3023 | * Use CR registers to clear caseopen status. | |
3024 | * The CR registers are the same for all chips, and not all chips | |
3025 | * support clearing the caseopen status through "regular" registers. | |
3026 | */ | |
df612d5f | 3027 | ret = superio_enter(data->sioreg); |
a6bd5878 GR |
3028 | if (ret) { |
3029 | count = ret; | |
3030 | goto error; | |
3031 | } | |
3032 | ||
df612d5f GR |
3033 | superio_select(data->sioreg, NCT6775_LD_ACPI); |
3034 | reg = superio_inb(data->sioreg, NCT6775_REG_CR_CASEOPEN_CLR[nr]); | |
a6bd5878 | 3035 | reg |= NCT6775_CR_CASEOPEN_CLR_MASK[nr]; |
df612d5f | 3036 | superio_outb(data->sioreg, NCT6775_REG_CR_CASEOPEN_CLR[nr], reg); |
a6bd5878 | 3037 | reg &= ~NCT6775_CR_CASEOPEN_CLR_MASK[nr]; |
df612d5f GR |
3038 | superio_outb(data->sioreg, NCT6775_REG_CR_CASEOPEN_CLR[nr], reg); |
3039 | superio_exit(data->sioreg); | |
a6bd5878 GR |
3040 | |
3041 | data->valid = false; /* Force cache refresh */ | |
3042 | error: | |
3043 | mutex_unlock(&data->update_lock); | |
3044 | return count; | |
3045 | } | |
3046 | ||
f73cf632 GR |
3047 | static SENSOR_DEVICE_ATTR(intrusion0_alarm, S_IWUSR | S_IRUGO, show_alarm, |
3048 | clear_caseopen, INTRUSION_ALARM_BASE); | |
3049 | static SENSOR_DEVICE_ATTR(intrusion1_alarm, S_IWUSR | S_IRUGO, show_alarm, | |
3050 | clear_caseopen, INTRUSION_ALARM_BASE + 1); | |
30846993 GR |
3051 | static SENSOR_DEVICE_ATTR(intrusion0_beep, S_IWUSR | S_IRUGO, show_beep, |
3052 | store_beep, INTRUSION_ALARM_BASE); | |
3053 | static SENSOR_DEVICE_ATTR(intrusion1_beep, S_IWUSR | S_IRUGO, show_beep, | |
3054 | store_beep, INTRUSION_ALARM_BASE + 1); | |
3055 | static SENSOR_DEVICE_ATTR(beep_enable, S_IWUSR | S_IRUGO, show_beep, | |
3056 | store_beep, BEEP_ENABLE_BASE); | |
9de2e2e8 | 3057 | |
f73cf632 GR |
3058 | static umode_t nct6775_other_is_visible(struct kobject *kobj, |
3059 | struct attribute *attr, int index) | |
9de2e2e8 | 3060 | { |
f73cf632 | 3061 | struct device *dev = container_of(kobj, struct device, kobj); |
9de2e2e8 GR |
3062 | struct nct6775_data *data = dev_get_drvdata(dev); |
3063 | ||
f73cf632 GR |
3064 | if (index == 1 && !data->have_vid) |
3065 | return 0; | |
77eb5b37 | 3066 | |
f73cf632 GR |
3067 | if (index == 2 || index == 3) { |
3068 | if (data->ALARM_BITS[INTRUSION_ALARM_BASE + index - 2] < 0) | |
3069 | return 0; | |
3070 | } | |
cdcaeceb | 3071 | |
30846993 GR |
3072 | if (index == 4 || index == 5) { |
3073 | if (data->BEEP_BITS[INTRUSION_ALARM_BASE + index - 4] < 0) | |
3074 | return 0; | |
3075 | } | |
3076 | ||
f73cf632 GR |
3077 | return attr->mode; |
3078 | } | |
cdcaeceb | 3079 | |
f73cf632 GR |
3080 | /* |
3081 | * nct6775_other_is_visible uses the index into the following array | |
3082 | * to determine if attributes should be created or not. | |
3083 | * Any change in order or content must be matched. | |
3084 | */ | |
3085 | static struct attribute *nct6775_attributes_other[] = { | |
3086 | &dev_attr_name.attr, | |
3087 | &dev_attr_cpu0_vid.attr, /* 1 */ | |
3088 | &sensor_dev_attr_intrusion0_alarm.dev_attr.attr, /* 2 */ | |
3089 | &sensor_dev_attr_intrusion1_alarm.dev_attr.attr, /* 3 */ | |
30846993 GR |
3090 | &sensor_dev_attr_intrusion0_beep.dev_attr.attr, /* 4 */ |
3091 | &sensor_dev_attr_intrusion1_beep.dev_attr.attr, /* 5 */ | |
3092 | &sensor_dev_attr_beep_enable.dev_attr.attr, /* 6 */ | |
bbd8decd | 3093 | |
f73cf632 GR |
3094 | NULL |
3095 | }; | |
cdcaeceb | 3096 | |
f73cf632 GR |
3097 | static const struct attribute_group nct6775_group_other = { |
3098 | .attrs = nct6775_attributes_other, | |
3099 | .is_visible = nct6775_other_is_visible, | |
3100 | }; | |
9de2e2e8 | 3101 | |
f73cf632 GR |
3102 | /* |
3103 | * Driver and device management | |
3104 | */ | |
3105 | ||
3106 | static void nct6775_device_remove_files(struct device *dev) | |
3107 | { | |
3108 | struct nct6775_data *data = dev_get_drvdata(dev); | |
aa136e5d | 3109 | |
f73cf632 GR |
3110 | if (data->group_pwm) |
3111 | sysfs_remove_group(&dev->kobj, data->group_pwm); | |
3112 | if (data->group_in) | |
3113 | sysfs_remove_group(&dev->kobj, data->group_in); | |
3114 | if (data->group_fan) | |
3115 | sysfs_remove_group(&dev->kobj, data->group_fan); | |
3116 | if (data->group_temp) | |
3117 | sysfs_remove_group(&dev->kobj, data->group_temp); | |
a6bd5878 | 3118 | |
f73cf632 | 3119 | sysfs_remove_group(&dev->kobj, &nct6775_group_other); |
9de2e2e8 GR |
3120 | } |
3121 | ||
3122 | /* Get the monitoring functions started */ | |
3123 | static inline void nct6775_init_device(struct nct6775_data *data) | |
3124 | { | |
aa136e5d GR |
3125 | int i; |
3126 | u8 tmp, diode; | |
9de2e2e8 GR |
3127 | |
3128 | /* Start monitoring if needed */ | |
3129 | if (data->REG_CONFIG) { | |
3130 | tmp = nct6775_read_value(data, data->REG_CONFIG); | |
3131 | if (!(tmp & 0x01)) | |
3132 | nct6775_write_value(data, data->REG_CONFIG, tmp | 0x01); | |
3133 | } | |
3134 | ||
aa136e5d GR |
3135 | /* Enable temperature sensors if needed */ |
3136 | for (i = 0; i < NUM_TEMP; i++) { | |
3137 | if (!(data->have_temp & (1 << i))) | |
3138 | continue; | |
3139 | if (!data->reg_temp_config[i]) | |
3140 | continue; | |
3141 | tmp = nct6775_read_value(data, data->reg_temp_config[i]); | |
3142 | if (tmp & 0x01) | |
3143 | nct6775_write_value(data, data->reg_temp_config[i], | |
3144 | tmp & 0xfe); | |
3145 | } | |
3146 | ||
9de2e2e8 GR |
3147 | /* Enable VBAT monitoring if needed */ |
3148 | tmp = nct6775_read_value(data, data->REG_VBAT); | |
3149 | if (!(tmp & 0x01)) | |
3150 | nct6775_write_value(data, data->REG_VBAT, tmp | 0x01); | |
aa136e5d GR |
3151 | |
3152 | diode = nct6775_read_value(data, data->REG_DIODE); | |
3153 | ||
3154 | for (i = 0; i < data->temp_fixed_num; i++) { | |
3155 | if (!(data->have_temp_fixed & (1 << i))) | |
3156 | continue; | |
6c009501 GR |
3157 | if ((tmp & (data->DIODE_MASK << i))) /* diode */ |
3158 | data->temp_type[i] | |
3159 | = 3 - ((diode >> i) & data->DIODE_MASK); | |
aa136e5d GR |
3160 | else /* thermistor */ |
3161 | data->temp_type[i] = 4; | |
3162 | } | |
9de2e2e8 GR |
3163 | } |
3164 | ||
f73cf632 | 3165 | static void |
df612d5f | 3166 | nct6775_check_fan_inputs(struct nct6775_data *data) |
1c65dc36 | 3167 | { |
578ab5f0 DB |
3168 | bool fan3pin, fan4pin, fan4min, fan5pin, fan6pin; |
3169 | bool pwm3pin, pwm4pin, pwm5pin, pwm6pin; | |
df612d5f GR |
3170 | int sioreg = data->sioreg; |
3171 | int regval; | |
1c65dc36 GR |
3172 | |
3173 | /* fan4 and fan5 share some pins with the GPIO and serial flash */ | |
3174 | if (data->kind == nct6775) { | |
df612d5f | 3175 | regval = superio_inb(sioreg, 0x2c); |
1c65dc36 GR |
3176 | |
3177 | fan3pin = regval & (1 << 6); | |
77eb5b37 | 3178 | pwm3pin = regval & (1 << 7); |
1c65dc36 GR |
3179 | |
3180 | /* On NCT6775, fan4 shares pins with the fdc interface */ | |
df612d5f | 3181 | fan4pin = !(superio_inb(sioreg, 0x2A) & 0x80); |
578ab5f0 DB |
3182 | fan4min = false; |
3183 | fan5pin = false; | |
3184 | fan6pin = false; | |
3185 | pwm4pin = false; | |
3186 | pwm5pin = false; | |
3187 | pwm6pin = false; | |
1c65dc36 | 3188 | } else if (data->kind == nct6776) { |
df612d5f | 3189 | bool gpok = superio_inb(sioreg, 0x27) & 0x80; |
1c65dc36 | 3190 | |
df612d5f GR |
3191 | superio_select(sioreg, NCT6775_LD_HWM); |
3192 | regval = superio_inb(sioreg, SIO_REG_ENABLE); | |
1c65dc36 GR |
3193 | |
3194 | if (regval & 0x80) | |
3195 | fan3pin = gpok; | |
3196 | else | |
df612d5f | 3197 | fan3pin = !(superio_inb(sioreg, 0x24) & 0x40); |
1c65dc36 GR |
3198 | |
3199 | if (regval & 0x40) | |
3200 | fan4pin = gpok; | |
3201 | else | |
df612d5f | 3202 | fan4pin = superio_inb(sioreg, 0x1C) & 0x01; |
1c65dc36 GR |
3203 | |
3204 | if (regval & 0x20) | |
3205 | fan5pin = gpok; | |
3206 | else | |
df612d5f | 3207 | fan5pin = superio_inb(sioreg, 0x1C) & 0x02; |
1c65dc36 GR |
3208 | |
3209 | fan4min = fan4pin; | |
578ab5f0 | 3210 | fan6pin = false; |
77eb5b37 | 3211 | pwm3pin = fan3pin; |
578ab5f0 DB |
3212 | pwm4pin = false; |
3213 | pwm5pin = false; | |
3214 | pwm6pin = false; | |
6c009501 | 3215 | } else if (data->kind == nct6106) { |
df612d5f | 3216 | regval = superio_inb(sioreg, 0x24); |
6c009501 GR |
3217 | fan3pin = !(regval & 0x80); |
3218 | pwm3pin = regval & 0x08; | |
6c009501 GR |
3219 | |
3220 | fan4pin = false; | |
3221 | fan4min = false; | |
3222 | fan5pin = false; | |
578ab5f0 | 3223 | fan6pin = false; |
6c009501 GR |
3224 | pwm4pin = false; |
3225 | pwm5pin = false; | |
578ab5f0 DB |
3226 | pwm6pin = false; |
3227 | } else { /* NCT6779D or NCT6791D */ | |
df612d5f | 3228 | regval = superio_inb(sioreg, 0x1c); |
1c65dc36 GR |
3229 | |
3230 | fan3pin = !(regval & (1 << 5)); | |
3231 | fan4pin = !(regval & (1 << 6)); | |
3232 | fan5pin = !(regval & (1 << 7)); | |
3233 | ||
77eb5b37 GR |
3234 | pwm3pin = !(regval & (1 << 0)); |
3235 | pwm4pin = !(regval & (1 << 1)); | |
3236 | pwm5pin = !(regval & (1 << 2)); | |
3237 | ||
1c65dc36 | 3238 | fan4min = fan4pin; |
1c65dc36 | 3239 | |
578ab5f0 | 3240 | if (data->kind == nct6791) { |
df612d5f | 3241 | regval = superio_inb(sioreg, 0x2d); |
578ab5f0 DB |
3242 | fan6pin = (regval & (1 << 1)); |
3243 | pwm6pin = (regval & (1 << 0)); | |
3244 | } else { /* NCT6779D */ | |
3245 | fan6pin = false; | |
3246 | pwm6pin = false; | |
3247 | } | |
3248 | } | |
1c65dc36 | 3249 | |
578ab5f0 DB |
3250 | /* fan 1 and 2 (0x03) are always present */ |
3251 | data->has_fan = 0x03 | (fan3pin << 2) | (fan4pin << 3) | | |
3252 | (fan5pin << 4) | (fan6pin << 5); | |
3253 | data->has_fan_min = 0x03 | (fan3pin << 2) | (fan4min << 3) | | |
3254 | (fan5pin << 4); | |
3255 | data->has_pwm = 0x03 | (pwm3pin << 2) | (pwm4pin << 3) | | |
3256 | (pwm5pin << 4) | (pwm6pin << 5); | |
1c65dc36 GR |
3257 | } |
3258 | ||
8e9285b0 GR |
3259 | static void add_temp_sensors(struct nct6775_data *data, const u16 *regp, |
3260 | int *available, int *mask) | |
3261 | { | |
3262 | int i; | |
3263 | u8 src; | |
3264 | ||
3265 | for (i = 0; i < data->pwm_num && *available; i++) { | |
3266 | int index; | |
3267 | ||
3268 | if (!regp[i]) | |
3269 | continue; | |
3270 | src = nct6775_read_value(data, regp[i]); | |
3271 | src &= 0x1f; | |
3272 | if (!src || (*mask & (1 << src))) | |
3273 | continue; | |
3274 | if (src >= data->temp_label_num || | |
3275 | !strlen(data->temp_label[src])) | |
3276 | continue; | |
3277 | ||
3278 | index = __ffs(*available); | |
3279 | nct6775_write_value(data, data->REG_TEMP_SOURCE[index], src); | |
3280 | *available &= ~(1 << index); | |
3281 | *mask |= 1 << src; | |
3282 | } | |
3283 | } | |
3284 | ||
9de2e2e8 GR |
3285 | static int nct6775_probe(struct platform_device *pdev) |
3286 | { | |
3287 | struct device *dev = &pdev->dev; | |
a8b3a3a5 | 3288 | struct nct6775_sio_data *sio_data = dev_get_platdata(dev); |
9de2e2e8 GR |
3289 | struct nct6775_data *data; |
3290 | struct resource *res; | |
aa136e5d GR |
3291 | int i, s, err = 0; |
3292 | int src, mask, available; | |
3293 | const u16 *reg_temp, *reg_temp_over, *reg_temp_hyst, *reg_temp_config; | |
3294 | const u16 *reg_temp_alternate, *reg_temp_crit; | |
b7a61353 | 3295 | const u16 *reg_temp_crit_l = NULL, *reg_temp_crit_h = NULL; |
aa136e5d | 3296 | int num_reg_temp; |
0fc1f8fc | 3297 | u8 cr2a; |
f73cf632 | 3298 | struct attribute_group *group; |
9de2e2e8 GR |
3299 | |
3300 | res = platform_get_resource(pdev, IORESOURCE_IO, 0); | |
3301 | if (!devm_request_region(&pdev->dev, res->start, IOREGION_LENGTH, | |
3302 | DRVNAME)) | |
3303 | return -EBUSY; | |
3304 | ||
3305 | data = devm_kzalloc(&pdev->dev, sizeof(struct nct6775_data), | |
3306 | GFP_KERNEL); | |
3307 | if (!data) | |
3308 | return -ENOMEM; | |
3309 | ||
3310 | data->kind = sio_data->kind; | |
df612d5f | 3311 | data->sioreg = sio_data->sioreg; |
9de2e2e8 | 3312 | data->addr = res->start; |
9de2e2e8 GR |
3313 | mutex_init(&data->update_lock); |
3314 | data->name = nct6775_device_names[data->kind]; | |
3315 | data->bank = 0xff; /* Force initial bank selection */ | |
3316 | platform_set_drvdata(pdev, data); | |
3317 | ||
3318 | switch (data->kind) { | |
6c009501 GR |
3319 | case nct6106: |
3320 | data->in_num = 9; | |
3321 | data->pwm_num = 3; | |
3322 | data->auto_pwm_num = 4; | |
3323 | data->temp_fixed_num = 3; | |
3324 | data->num_temp_alarms = 6; | |
30846993 | 3325 | data->num_temp_beeps = 6; |
6c009501 GR |
3326 | |
3327 | data->fan_from_reg = fan_from_reg13; | |
3328 | data->fan_from_reg_min = fan_from_reg13; | |
3329 | ||
3330 | data->temp_label = nct6776_temp_label; | |
3331 | data->temp_label_num = ARRAY_SIZE(nct6776_temp_label); | |
3332 | ||
3333 | data->REG_VBAT = NCT6106_REG_VBAT; | |
3334 | data->REG_DIODE = NCT6106_REG_DIODE; | |
3335 | data->DIODE_MASK = NCT6106_DIODE_MASK; | |
3336 | data->REG_VIN = NCT6106_REG_IN; | |
3337 | data->REG_IN_MINMAX[0] = NCT6106_REG_IN_MIN; | |
3338 | data->REG_IN_MINMAX[1] = NCT6106_REG_IN_MAX; | |
3339 | data->REG_TARGET = NCT6106_REG_TARGET; | |
3340 | data->REG_FAN = NCT6106_REG_FAN; | |
3341 | data->REG_FAN_MODE = NCT6106_REG_FAN_MODE; | |
3342 | data->REG_FAN_MIN = NCT6106_REG_FAN_MIN; | |
3343 | data->REG_FAN_PULSES = NCT6106_REG_FAN_PULSES; | |
3344 | data->FAN_PULSE_SHIFT = NCT6106_FAN_PULSE_SHIFT; | |
3345 | data->REG_FAN_TIME[0] = NCT6106_REG_FAN_STOP_TIME; | |
3346 | data->REG_FAN_TIME[1] = NCT6106_REG_FAN_STEP_UP_TIME; | |
3347 | data->REG_FAN_TIME[2] = NCT6106_REG_FAN_STEP_DOWN_TIME; | |
3348 | data->REG_PWM[0] = NCT6106_REG_PWM; | |
3349 | data->REG_PWM[1] = NCT6106_REG_FAN_START_OUTPUT; | |
3350 | data->REG_PWM[2] = NCT6106_REG_FAN_STOP_OUTPUT; | |
3351 | data->REG_PWM[5] = NCT6106_REG_WEIGHT_DUTY_STEP; | |
3352 | data->REG_PWM[6] = NCT6106_REG_WEIGHT_DUTY_BASE; | |
3353 | data->REG_PWM_READ = NCT6106_REG_PWM_READ; | |
3354 | data->REG_PWM_MODE = NCT6106_REG_PWM_MODE; | |
3355 | data->PWM_MODE_MASK = NCT6106_PWM_MODE_MASK; | |
3356 | data->REG_AUTO_TEMP = NCT6106_REG_AUTO_TEMP; | |
3357 | data->REG_AUTO_PWM = NCT6106_REG_AUTO_PWM; | |
3358 | data->REG_CRITICAL_TEMP = NCT6106_REG_CRITICAL_TEMP; | |
3359 | data->REG_CRITICAL_TEMP_TOLERANCE | |
3360 | = NCT6106_REG_CRITICAL_TEMP_TOLERANCE; | |
3361 | data->REG_CRITICAL_PWM_ENABLE = NCT6106_REG_CRITICAL_PWM_ENABLE; | |
3362 | data->CRITICAL_PWM_ENABLE_MASK | |
3363 | = NCT6106_CRITICAL_PWM_ENABLE_MASK; | |
3364 | data->REG_CRITICAL_PWM = NCT6106_REG_CRITICAL_PWM; | |
3365 | data->REG_TEMP_OFFSET = NCT6106_REG_TEMP_OFFSET; | |
3366 | data->REG_TEMP_SOURCE = NCT6106_REG_TEMP_SOURCE; | |
3367 | data->REG_TEMP_SEL = NCT6106_REG_TEMP_SEL; | |
3368 | data->REG_WEIGHT_TEMP_SEL = NCT6106_REG_WEIGHT_TEMP_SEL; | |
3369 | data->REG_WEIGHT_TEMP[0] = NCT6106_REG_WEIGHT_TEMP_STEP; | |
3370 | data->REG_WEIGHT_TEMP[1] = NCT6106_REG_WEIGHT_TEMP_STEP_TOL; | |
3371 | data->REG_WEIGHT_TEMP[2] = NCT6106_REG_WEIGHT_TEMP_BASE; | |
3372 | data->REG_ALARM = NCT6106_REG_ALARM; | |
3373 | data->ALARM_BITS = NCT6106_ALARM_BITS; | |
30846993 GR |
3374 | data->REG_BEEP = NCT6106_REG_BEEP; |
3375 | data->BEEP_BITS = NCT6106_BEEP_BITS; | |
6c009501 GR |
3376 | |
3377 | reg_temp = NCT6106_REG_TEMP; | |
3378 | num_reg_temp = ARRAY_SIZE(NCT6106_REG_TEMP); | |
3379 | reg_temp_over = NCT6106_REG_TEMP_OVER; | |
3380 | reg_temp_hyst = NCT6106_REG_TEMP_HYST; | |
3381 | reg_temp_config = NCT6106_REG_TEMP_CONFIG; | |
3382 | reg_temp_alternate = NCT6106_REG_TEMP_ALTERNATE; | |
3383 | reg_temp_crit = NCT6106_REG_TEMP_CRIT; | |
b7a61353 GR |
3384 | reg_temp_crit_l = NCT6106_REG_TEMP_CRIT_L; |
3385 | reg_temp_crit_h = NCT6106_REG_TEMP_CRIT_H; | |
6c009501 GR |
3386 | |
3387 | break; | |
9de2e2e8 GR |
3388 | case nct6775: |
3389 | data->in_num = 9; | |
77eb5b37 | 3390 | data->pwm_num = 3; |
cdcaeceb | 3391 | data->auto_pwm_num = 6; |
1c65dc36 | 3392 | data->has_fan_div = true; |
aa136e5d | 3393 | data->temp_fixed_num = 3; |
b1d2bff6 | 3394 | data->num_temp_alarms = 3; |
30846993 | 3395 | data->num_temp_beeps = 3; |
9de2e2e8 GR |
3396 | |
3397 | data->ALARM_BITS = NCT6775_ALARM_BITS; | |
30846993 | 3398 | data->BEEP_BITS = NCT6775_BEEP_BITS; |
9de2e2e8 | 3399 | |
1c65dc36 GR |
3400 | data->fan_from_reg = fan_from_reg16; |
3401 | data->fan_from_reg_min = fan_from_reg8; | |
cdcaeceb GR |
3402 | data->target_temp_mask = 0x7f; |
3403 | data->tolerance_mask = 0x0f; | |
3404 | data->speed_tolerance_limit = 15; | |
1c65dc36 | 3405 | |
aa136e5d GR |
3406 | data->temp_label = nct6775_temp_label; |
3407 | data->temp_label_num = ARRAY_SIZE(nct6775_temp_label); | |
3408 | ||
9de2e2e8 GR |
3409 | data->REG_CONFIG = NCT6775_REG_CONFIG; |
3410 | data->REG_VBAT = NCT6775_REG_VBAT; | |
aa136e5d | 3411 | data->REG_DIODE = NCT6775_REG_DIODE; |
6c009501 | 3412 | data->DIODE_MASK = NCT6775_DIODE_MASK; |
9de2e2e8 GR |
3413 | data->REG_VIN = NCT6775_REG_IN; |
3414 | data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; | |
3415 | data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; | |
cdcaeceb | 3416 | data->REG_TARGET = NCT6775_REG_TARGET; |
1c65dc36 | 3417 | data->REG_FAN = NCT6775_REG_FAN; |
77eb5b37 | 3418 | data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; |
1c65dc36 | 3419 | data->REG_FAN_MIN = NCT6775_REG_FAN_MIN; |
5c25d954 | 3420 | data->REG_FAN_PULSES = NCT6775_REG_FAN_PULSES; |
6c009501 | 3421 | data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT; |
cdcaeceb GR |
3422 | data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; |
3423 | data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME; | |
3424 | data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME; | |
77eb5b37 | 3425 | data->REG_PWM[0] = NCT6775_REG_PWM; |
cdcaeceb GR |
3426 | data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; |
3427 | data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; | |
3428 | data->REG_PWM[3] = NCT6775_REG_FAN_MAX_OUTPUT; | |
3429 | data->REG_PWM[4] = NCT6775_REG_FAN_STEP_OUTPUT; | |
bbd8decd | 3430 | data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP; |
77eb5b37 GR |
3431 | data->REG_PWM_READ = NCT6775_REG_PWM_READ; |
3432 | data->REG_PWM_MODE = NCT6775_REG_PWM_MODE; | |
3433 | data->PWM_MODE_MASK = NCT6775_PWM_MODE_MASK; | |
cdcaeceb GR |
3434 | data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; |
3435 | data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; | |
3436 | data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; | |
3437 | data->REG_CRITICAL_TEMP_TOLERANCE | |
3438 | = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; | |
aa136e5d GR |
3439 | data->REG_TEMP_OFFSET = NCT6775_REG_TEMP_OFFSET; |
3440 | data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; | |
cdcaeceb | 3441 | data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; |
bbd8decd GR |
3442 | data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL; |
3443 | data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP; | |
3444 | data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; | |
3445 | data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; | |
9de2e2e8 | 3446 | data->REG_ALARM = NCT6775_REG_ALARM; |
30846993 | 3447 | data->REG_BEEP = NCT6775_REG_BEEP; |
aa136e5d GR |
3448 | |
3449 | reg_temp = NCT6775_REG_TEMP; | |
3450 | num_reg_temp = ARRAY_SIZE(NCT6775_REG_TEMP); | |
3451 | reg_temp_over = NCT6775_REG_TEMP_OVER; | |
3452 | reg_temp_hyst = NCT6775_REG_TEMP_HYST; | |
3453 | reg_temp_config = NCT6775_REG_TEMP_CONFIG; | |
3454 | reg_temp_alternate = NCT6775_REG_TEMP_ALTERNATE; | |
3455 | reg_temp_crit = NCT6775_REG_TEMP_CRIT; | |
3456 | ||
9de2e2e8 GR |
3457 | break; |
3458 | case nct6776: | |
3459 | data->in_num = 9; | |
77eb5b37 | 3460 | data->pwm_num = 3; |
cdcaeceb | 3461 | data->auto_pwm_num = 4; |
1c65dc36 | 3462 | data->has_fan_div = false; |
aa136e5d | 3463 | data->temp_fixed_num = 3; |
b1d2bff6 | 3464 | data->num_temp_alarms = 3; |
30846993 | 3465 | data->num_temp_beeps = 6; |
9de2e2e8 GR |
3466 | |
3467 | data->ALARM_BITS = NCT6776_ALARM_BITS; | |
30846993 | 3468 | data->BEEP_BITS = NCT6776_BEEP_BITS; |
9de2e2e8 | 3469 | |
1c65dc36 GR |
3470 | data->fan_from_reg = fan_from_reg13; |
3471 | data->fan_from_reg_min = fan_from_reg13; | |
cdcaeceb GR |
3472 | data->target_temp_mask = 0xff; |
3473 | data->tolerance_mask = 0x07; | |
3474 | data->speed_tolerance_limit = 63; | |
1c65dc36 | 3475 | |
aa136e5d GR |
3476 | data->temp_label = nct6776_temp_label; |
3477 | data->temp_label_num = ARRAY_SIZE(nct6776_temp_label); | |
3478 | ||
9de2e2e8 GR |
3479 | data->REG_CONFIG = NCT6775_REG_CONFIG; |
3480 | data->REG_VBAT = NCT6775_REG_VBAT; | |
aa136e5d | 3481 | data->REG_DIODE = NCT6775_REG_DIODE; |
6c009501 | 3482 | data->DIODE_MASK = NCT6775_DIODE_MASK; |
9de2e2e8 GR |
3483 | data->REG_VIN = NCT6775_REG_IN; |
3484 | data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; | |
3485 | data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; | |
cdcaeceb | 3486 | data->REG_TARGET = NCT6775_REG_TARGET; |
1c65dc36 | 3487 | data->REG_FAN = NCT6775_REG_FAN; |
77eb5b37 | 3488 | data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; |
1c65dc36 | 3489 | data->REG_FAN_MIN = NCT6776_REG_FAN_MIN; |
5c25d954 | 3490 | data->REG_FAN_PULSES = NCT6776_REG_FAN_PULSES; |
6c009501 | 3491 | data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT; |
cdcaeceb GR |
3492 | data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; |
3493 | data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME; | |
3494 | data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME; | |
3495 | data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H; | |
77eb5b37 | 3496 | data->REG_PWM[0] = NCT6775_REG_PWM; |
cdcaeceb GR |
3497 | data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; |
3498 | data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; | |
bbd8decd GR |
3499 | data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP; |
3500 | data->REG_PWM[6] = NCT6776_REG_WEIGHT_DUTY_BASE; | |
77eb5b37 GR |
3501 | data->REG_PWM_READ = NCT6775_REG_PWM_READ; |
3502 | data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; | |
3503 | data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; | |
cdcaeceb GR |
3504 | data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; |
3505 | data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; | |
3506 | data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; | |
3507 | data->REG_CRITICAL_TEMP_TOLERANCE | |
3508 | = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; | |
aa136e5d GR |
3509 | data->REG_TEMP_OFFSET = NCT6775_REG_TEMP_OFFSET; |
3510 | data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; | |
cdcaeceb | 3511 | data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; |
bbd8decd GR |
3512 | data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL; |
3513 | data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP; | |
3514 | data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; | |
3515 | data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; | |
9de2e2e8 | 3516 | data->REG_ALARM = NCT6775_REG_ALARM; |
30846993 | 3517 | data->REG_BEEP = NCT6776_REG_BEEP; |
aa136e5d GR |
3518 | |
3519 | reg_temp = NCT6775_REG_TEMP; | |
3520 | num_reg_temp = ARRAY_SIZE(NCT6775_REG_TEMP); | |
3521 | reg_temp_over = NCT6775_REG_TEMP_OVER; | |
3522 | reg_temp_hyst = NCT6775_REG_TEMP_HYST; | |
3523 | reg_temp_config = NCT6776_REG_TEMP_CONFIG; | |
3524 | reg_temp_alternate = NCT6776_REG_TEMP_ALTERNATE; | |
3525 | reg_temp_crit = NCT6776_REG_TEMP_CRIT; | |
3526 | ||
9de2e2e8 GR |
3527 | break; |
3528 | case nct6779: | |
3529 | data->in_num = 15; | |
77eb5b37 | 3530 | data->pwm_num = 5; |
cdcaeceb | 3531 | data->auto_pwm_num = 4; |
1c65dc36 | 3532 | data->has_fan_div = false; |
aa136e5d | 3533 | data->temp_fixed_num = 6; |
b1d2bff6 | 3534 | data->num_temp_alarms = 2; |
30846993 | 3535 | data->num_temp_beeps = 2; |
9de2e2e8 GR |
3536 | |
3537 | data->ALARM_BITS = NCT6779_ALARM_BITS; | |
30846993 | 3538 | data->BEEP_BITS = NCT6779_BEEP_BITS; |
9de2e2e8 | 3539 | |
1c65dc36 GR |
3540 | data->fan_from_reg = fan_from_reg13; |
3541 | data->fan_from_reg_min = fan_from_reg13; | |
cdcaeceb GR |
3542 | data->target_temp_mask = 0xff; |
3543 | data->tolerance_mask = 0x07; | |
3544 | data->speed_tolerance_limit = 63; | |
1c65dc36 | 3545 | |
aa136e5d GR |
3546 | data->temp_label = nct6779_temp_label; |
3547 | data->temp_label_num = ARRAY_SIZE(nct6779_temp_label); | |
3548 | ||
9de2e2e8 GR |
3549 | data->REG_CONFIG = NCT6775_REG_CONFIG; |
3550 | data->REG_VBAT = NCT6775_REG_VBAT; | |
aa136e5d | 3551 | data->REG_DIODE = NCT6775_REG_DIODE; |
6c009501 | 3552 | data->DIODE_MASK = NCT6775_DIODE_MASK; |
9de2e2e8 GR |
3553 | data->REG_VIN = NCT6779_REG_IN; |
3554 | data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; | |
3555 | data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; | |
cdcaeceb | 3556 | data->REG_TARGET = NCT6775_REG_TARGET; |
1c65dc36 | 3557 | data->REG_FAN = NCT6779_REG_FAN; |
77eb5b37 | 3558 | data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; |
1c65dc36 | 3559 | data->REG_FAN_MIN = NCT6776_REG_FAN_MIN; |
5c25d954 | 3560 | data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES; |
6c009501 | 3561 | data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT; |
cdcaeceb GR |
3562 | data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; |
3563 | data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME; | |
3564 | data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME; | |
3565 | data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H; | |
77eb5b37 | 3566 | data->REG_PWM[0] = NCT6775_REG_PWM; |
cdcaeceb GR |
3567 | data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; |
3568 | data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; | |
bbd8decd GR |
3569 | data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP; |
3570 | data->REG_PWM[6] = NCT6776_REG_WEIGHT_DUTY_BASE; | |
77eb5b37 GR |
3571 | data->REG_PWM_READ = NCT6775_REG_PWM_READ; |
3572 | data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; | |
3573 | data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; | |
cdcaeceb GR |
3574 | data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; |
3575 | data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; | |
3576 | data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; | |
3577 | data->REG_CRITICAL_TEMP_TOLERANCE | |
3578 | = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; | |
6c009501 GR |
3579 | data->REG_CRITICAL_PWM_ENABLE = NCT6779_REG_CRITICAL_PWM_ENABLE; |
3580 | data->CRITICAL_PWM_ENABLE_MASK | |
3581 | = NCT6779_CRITICAL_PWM_ENABLE_MASK; | |
3582 | data->REG_CRITICAL_PWM = NCT6779_REG_CRITICAL_PWM; | |
aa136e5d GR |
3583 | data->REG_TEMP_OFFSET = NCT6779_REG_TEMP_OFFSET; |
3584 | data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; | |
cdcaeceb | 3585 | data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; |
bbd8decd GR |
3586 | data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL; |
3587 | data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP; | |
3588 | data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; | |
3589 | data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; | |
9de2e2e8 | 3590 | data->REG_ALARM = NCT6779_REG_ALARM; |
30846993 | 3591 | data->REG_BEEP = NCT6776_REG_BEEP; |
aa136e5d GR |
3592 | |
3593 | reg_temp = NCT6779_REG_TEMP; | |
3594 | num_reg_temp = ARRAY_SIZE(NCT6779_REG_TEMP); | |
3595 | reg_temp_over = NCT6779_REG_TEMP_OVER; | |
3596 | reg_temp_hyst = NCT6779_REG_TEMP_HYST; | |
3597 | reg_temp_config = NCT6779_REG_TEMP_CONFIG; | |
3598 | reg_temp_alternate = NCT6779_REG_TEMP_ALTERNATE; | |
3599 | reg_temp_crit = NCT6779_REG_TEMP_CRIT; | |
3600 | ||
578ab5f0 DB |
3601 | break; |
3602 | case nct6791: | |
3603 | data->in_num = 15; | |
3604 | data->pwm_num = 6; | |
3605 | data->auto_pwm_num = 4; | |
3606 | data->has_fan_div = false; | |
3607 | data->temp_fixed_num = 6; | |
3608 | data->num_temp_alarms = 2; | |
3609 | data->num_temp_beeps = 2; | |
3610 | ||
3611 | data->ALARM_BITS = NCT6791_ALARM_BITS; | |
3612 | data->BEEP_BITS = NCT6779_BEEP_BITS; | |
3613 | ||
3614 | data->fan_from_reg = fan_from_reg13; | |
3615 | data->fan_from_reg_min = fan_from_reg13; | |
3616 | data->target_temp_mask = 0xff; | |
3617 | data->tolerance_mask = 0x07; | |
3618 | data->speed_tolerance_limit = 63; | |
3619 | ||
3620 | data->temp_label = nct6779_temp_label; | |
3621 | data->temp_label_num = ARRAY_SIZE(nct6779_temp_label); | |
3622 | ||
3623 | data->REG_CONFIG = NCT6775_REG_CONFIG; | |
3624 | data->REG_VBAT = NCT6775_REG_VBAT; | |
3625 | data->REG_DIODE = NCT6775_REG_DIODE; | |
3626 | data->DIODE_MASK = NCT6775_DIODE_MASK; | |
3627 | data->REG_VIN = NCT6779_REG_IN; | |
3628 | data->REG_IN_MINMAX[0] = NCT6775_REG_IN_MIN; | |
3629 | data->REG_IN_MINMAX[1] = NCT6775_REG_IN_MAX; | |
3630 | data->REG_TARGET = NCT6775_REG_TARGET; | |
3631 | data->REG_FAN = NCT6779_REG_FAN; | |
3632 | data->REG_FAN_MODE = NCT6775_REG_FAN_MODE; | |
3633 | data->REG_FAN_MIN = NCT6776_REG_FAN_MIN; | |
3634 | data->REG_FAN_PULSES = NCT6779_REG_FAN_PULSES; | |
3635 | data->FAN_PULSE_SHIFT = NCT6775_FAN_PULSE_SHIFT; | |
3636 | data->REG_FAN_TIME[0] = NCT6775_REG_FAN_STOP_TIME; | |
3637 | data->REG_FAN_TIME[1] = NCT6775_REG_FAN_STEP_UP_TIME; | |
3638 | data->REG_FAN_TIME[2] = NCT6775_REG_FAN_STEP_DOWN_TIME; | |
3639 | data->REG_TOLERANCE_H = NCT6776_REG_TOLERANCE_H; | |
3640 | data->REG_PWM[0] = NCT6775_REG_PWM; | |
3641 | data->REG_PWM[1] = NCT6775_REG_FAN_START_OUTPUT; | |
3642 | data->REG_PWM[2] = NCT6775_REG_FAN_STOP_OUTPUT; | |
3643 | data->REG_PWM[5] = NCT6775_REG_WEIGHT_DUTY_STEP; | |
3644 | data->REG_PWM[6] = NCT6776_REG_WEIGHT_DUTY_BASE; | |
3645 | data->REG_PWM_READ = NCT6775_REG_PWM_READ; | |
3646 | data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; | |
3647 | data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; | |
3648 | data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; | |
3649 | data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; | |
3650 | data->REG_CRITICAL_TEMP = NCT6775_REG_CRITICAL_TEMP; | |
3651 | data->REG_CRITICAL_TEMP_TOLERANCE | |
3652 | = NCT6775_REG_CRITICAL_TEMP_TOLERANCE; | |
3653 | data->REG_CRITICAL_PWM_ENABLE = NCT6779_REG_CRITICAL_PWM_ENABLE; | |
3654 | data->CRITICAL_PWM_ENABLE_MASK | |
3655 | = NCT6779_CRITICAL_PWM_ENABLE_MASK; | |
3656 | data->REG_CRITICAL_PWM = NCT6779_REG_CRITICAL_PWM; | |
3657 | data->REG_TEMP_OFFSET = NCT6779_REG_TEMP_OFFSET; | |
3658 | data->REG_TEMP_SOURCE = NCT6775_REG_TEMP_SOURCE; | |
3659 | data->REG_TEMP_SEL = NCT6775_REG_TEMP_SEL; | |
3660 | data->REG_WEIGHT_TEMP_SEL = NCT6775_REG_WEIGHT_TEMP_SEL; | |
3661 | data->REG_WEIGHT_TEMP[0] = NCT6775_REG_WEIGHT_TEMP_STEP; | |
3662 | data->REG_WEIGHT_TEMP[1] = NCT6775_REG_WEIGHT_TEMP_STEP_TOL; | |
3663 | data->REG_WEIGHT_TEMP[2] = NCT6775_REG_WEIGHT_TEMP_BASE; | |
3664 | data->REG_ALARM = NCT6791_REG_ALARM; | |
3665 | data->REG_BEEP = NCT6776_REG_BEEP; | |
3666 | ||
3667 | reg_temp = NCT6779_REG_TEMP; | |
3668 | num_reg_temp = ARRAY_SIZE(NCT6779_REG_TEMP); | |
3669 | reg_temp_over = NCT6779_REG_TEMP_OVER; | |
3670 | reg_temp_hyst = NCT6779_REG_TEMP_HYST; | |
3671 | reg_temp_config = NCT6779_REG_TEMP_CONFIG; | |
3672 | reg_temp_alternate = NCT6779_REG_TEMP_ALTERNATE; | |
3673 | reg_temp_crit = NCT6779_REG_TEMP_CRIT; | |
3674 | ||
9de2e2e8 GR |
3675 | break; |
3676 | default: | |
3677 | return -ENODEV; | |
3678 | } | |
3679 | data->have_in = (1 << data->in_num) - 1; | |
aa136e5d GR |
3680 | data->have_temp = 0; |
3681 | ||
3682 | /* | |
3683 | * On some boards, not all available temperature sources are monitored, | |
3684 | * even though some of the monitoring registers are unused. | |
3685 | * Get list of unused monitoring registers, then detect if any fan | |
3686 | * controls are configured to use unmonitored temperature sources. | |
3687 | * If so, assign the unmonitored temperature sources to available | |
3688 | * monitoring registers. | |
3689 | */ | |
3690 | mask = 0; | |
3691 | available = 0; | |
3692 | for (i = 0; i < num_reg_temp; i++) { | |
3693 | if (reg_temp[i] == 0) | |
3694 | continue; | |
3695 | ||
3696 | src = nct6775_read_value(data, data->REG_TEMP_SOURCE[i]) & 0x1f; | |
3697 | if (!src || (mask & (1 << src))) | |
3698 | available |= 1 << i; | |
3699 | ||
3700 | mask |= 1 << src; | |
3701 | } | |
3702 | ||
8e9285b0 GR |
3703 | /* |
3704 | * Now find unmonitored temperature registers and enable monitoring | |
3705 | * if additional monitoring registers are available. | |
3706 | */ | |
3707 | add_temp_sensors(data, data->REG_TEMP_SEL, &available, &mask); | |
3708 | add_temp_sensors(data, data->REG_WEIGHT_TEMP_SEL, &available, &mask); | |
3709 | ||
aa136e5d GR |
3710 | mask = 0; |
3711 | s = NUM_TEMP_FIXED; /* First dynamic temperature attribute */ | |
3712 | for (i = 0; i < num_reg_temp; i++) { | |
3713 | if (reg_temp[i] == 0) | |
3714 | continue; | |
3715 | ||
3716 | src = nct6775_read_value(data, data->REG_TEMP_SOURCE[i]) & 0x1f; | |
3717 | if (!src || (mask & (1 << src))) | |
3718 | continue; | |
3719 | ||
3720 | if (src >= data->temp_label_num || | |
3721 | !strlen(data->temp_label[src])) { | |
3722 | dev_info(dev, | |
3723 | "Invalid temperature source %d at index %d, source register 0x%x, temp register 0x%x\n", | |
3724 | src, i, data->REG_TEMP_SOURCE[i], reg_temp[i]); | |
3725 | continue; | |
3726 | } | |
3727 | ||
3728 | mask |= 1 << src; | |
3729 | ||
3730 | /* Use fixed index for SYSTIN(1), CPUTIN(2), AUXTIN(3) */ | |
3731 | if (src <= data->temp_fixed_num) { | |
3732 | data->have_temp |= 1 << (src - 1); | |
3733 | data->have_temp_fixed |= 1 << (src - 1); | |
3734 | data->reg_temp[0][src - 1] = reg_temp[i]; | |
3735 | data->reg_temp[1][src - 1] = reg_temp_over[i]; | |
3736 | data->reg_temp[2][src - 1] = reg_temp_hyst[i]; | |
b7a61353 GR |
3737 | if (reg_temp_crit_h && reg_temp_crit_h[i]) |
3738 | data->reg_temp[3][src - 1] = reg_temp_crit_h[i]; | |
3739 | else if (reg_temp_crit[src - 1]) | |
3740 | data->reg_temp[3][src - 1] | |
3741 | = reg_temp_crit[src - 1]; | |
3742 | if (reg_temp_crit_l && reg_temp_crit_l[i]) | |
3743 | data->reg_temp[4][src - 1] = reg_temp_crit_l[i]; | |
aa136e5d GR |
3744 | data->reg_temp_config[src - 1] = reg_temp_config[i]; |
3745 | data->temp_src[src - 1] = src; | |
3746 | continue; | |
3747 | } | |
3748 | ||
3749 | if (s >= NUM_TEMP) | |
3750 | continue; | |
3751 | ||
3752 | /* Use dynamic index for other sources */ | |
3753 | data->have_temp |= 1 << s; | |
3754 | data->reg_temp[0][s] = reg_temp[i]; | |
3755 | data->reg_temp[1][s] = reg_temp_over[i]; | |
3756 | data->reg_temp[2][s] = reg_temp_hyst[i]; | |
3757 | data->reg_temp_config[s] = reg_temp_config[i]; | |
b7a61353 GR |
3758 | if (reg_temp_crit_h && reg_temp_crit_h[i]) |
3759 | data->reg_temp[3][s] = reg_temp_crit_h[i]; | |
3760 | else if (reg_temp_crit[src - 1]) | |
aa136e5d | 3761 | data->reg_temp[3][s] = reg_temp_crit[src - 1]; |
b7a61353 GR |
3762 | if (reg_temp_crit_l && reg_temp_crit_l[i]) |
3763 | data->reg_temp[4][s] = reg_temp_crit_l[i]; | |
aa136e5d GR |
3764 | |
3765 | data->temp_src[s] = src; | |
3766 | s++; | |
3767 | } | |
3768 | ||
3769 | #ifdef USE_ALTERNATE | |
3770 | /* | |
3771 | * Go through the list of alternate temp registers and enable | |
3772 | * if possible. | |
3773 | * The temperature is already monitored if the respective bit in <mask> | |
3774 | * is set. | |
3775 | */ | |
3776 | for (i = 0; i < data->temp_label_num - 1; i++) { | |
3777 | if (!reg_temp_alternate[i]) | |
3778 | continue; | |
3779 | if (mask & (1 << (i + 1))) | |
3780 | continue; | |
3781 | if (i < data->temp_fixed_num) { | |
3782 | if (data->have_temp & (1 << i)) | |
3783 | continue; | |
3784 | data->have_temp |= 1 << i; | |
3785 | data->have_temp_fixed |= 1 << i; | |
3786 | data->reg_temp[0][i] = reg_temp_alternate[i]; | |
169c05cd GR |
3787 | if (i < num_reg_temp) { |
3788 | data->reg_temp[1][i] = reg_temp_over[i]; | |
3789 | data->reg_temp[2][i] = reg_temp_hyst[i]; | |
3790 | } | |
aa136e5d GR |
3791 | data->temp_src[i] = i + 1; |
3792 | continue; | |
3793 | } | |
3794 | ||
3795 | if (s >= NUM_TEMP) /* Abort if no more space */ | |
3796 | break; | |
3797 | ||
3798 | data->have_temp |= 1 << s; | |
3799 | data->reg_temp[0][s] = reg_temp_alternate[i]; | |
3800 | data->temp_src[s] = i + 1; | |
3801 | s++; | |
3802 | } | |
3803 | #endif /* USE_ALTERNATE */ | |
3804 | ||
9de2e2e8 GR |
3805 | /* Initialize the chip */ |
3806 | nct6775_init_device(data); | |
3807 | ||
9de2e2e8 GR |
3808 | err = superio_enter(sio_data->sioreg); |
3809 | if (err) | |
3810 | return err; | |
3811 | ||
0fc1f8fc GR |
3812 | cr2a = superio_inb(sio_data->sioreg, 0x2a); |
3813 | switch (data->kind) { | |
3814 | case nct6775: | |
f73cf632 | 3815 | data->have_vid = (cr2a & 0x40); |
0fc1f8fc GR |
3816 | break; |
3817 | case nct6776: | |
f73cf632 | 3818 | data->have_vid = (cr2a & 0x60) == 0x40; |
0fc1f8fc | 3819 | break; |
6c009501 | 3820 | case nct6106: |
0fc1f8fc | 3821 | case nct6779: |
578ab5f0 | 3822 | case nct6791: |
0fc1f8fc GR |
3823 | break; |
3824 | } | |
3825 | ||
9de2e2e8 GR |
3826 | /* |
3827 | * Read VID value | |
3828 | * We can get the VID input values directly at logical device D 0xe3. | |
3829 | */ | |
f73cf632 | 3830 | if (data->have_vid) { |
0fc1f8fc GR |
3831 | superio_select(sio_data->sioreg, NCT6775_LD_VID); |
3832 | data->vid = superio_inb(sio_data->sioreg, 0xe3); | |
3833 | data->vrm = vid_which_vrm(); | |
3834 | } | |
47ece964 GR |
3835 | |
3836 | if (fan_debounce) { | |
3837 | u8 tmp; | |
3838 | ||
3839 | superio_select(sio_data->sioreg, NCT6775_LD_HWM); | |
3840 | tmp = superio_inb(sio_data->sioreg, | |
3841 | NCT6775_REG_CR_FAN_DEBOUNCE); | |
3842 | switch (data->kind) { | |
6c009501 GR |
3843 | case nct6106: |
3844 | tmp |= 0xe0; | |
3845 | break; | |
47ece964 GR |
3846 | case nct6775: |
3847 | tmp |= 0x1e; | |
3848 | break; | |
3849 | case nct6776: | |
3850 | case nct6779: | |
3851 | tmp |= 0x3e; | |
3852 | break; | |
578ab5f0 DB |
3853 | case nct6791: |
3854 | tmp |= 0x7e; | |
3855 | break; | |
47ece964 GR |
3856 | } |
3857 | superio_outb(sio_data->sioreg, NCT6775_REG_CR_FAN_DEBOUNCE, | |
3858 | tmp); | |
3859 | dev_info(&pdev->dev, "Enabled fan debounce for chip %s\n", | |
3860 | data->name); | |
3861 | } | |
3862 | ||
df612d5f | 3863 | nct6775_check_fan_inputs(data); |
9de2e2e8 | 3864 | |
f73cf632 | 3865 | superio_exit(sio_data->sioreg); |
1c65dc36 GR |
3866 | |
3867 | /* Read fan clock dividers immediately */ | |
3868 | nct6775_init_fan_common(dev, data); | |
3869 | ||
77eb5b37 | 3870 | /* Register sysfs hooks */ |
f73cf632 GR |
3871 | group = nct6775_create_attr_group(dev, &nct6775_pwm_template_group, |
3872 | data->pwm_num); | |
3873 | if (IS_ERR(group)) { | |
3874 | err = PTR_ERR(group); | |
3875 | goto exit_remove; | |
9de2e2e8 | 3876 | } |
f73cf632 | 3877 | data->group_pwm = group; |
9de2e2e8 | 3878 | |
f73cf632 GR |
3879 | group = nct6775_create_attr_group(dev, &nct6775_in_template_group, |
3880 | fls(data->have_in)); | |
3881 | if (IS_ERR(group)) { | |
3882 | err = PTR_ERR(group); | |
3883 | goto exit_remove; | |
1c65dc36 | 3884 | } |
f73cf632 | 3885 | data->group_in = group; |
1c65dc36 | 3886 | |
f73cf632 GR |
3887 | group = nct6775_create_attr_group(dev, &nct6775_fan_template_group, |
3888 | fls(data->has_fan)); | |
3889 | if (IS_ERR(group)) { | |
3890 | err = PTR_ERR(group); | |
3891 | goto exit_remove; | |
aa136e5d | 3892 | } |
f73cf632 | 3893 | data->group_fan = group; |
aa136e5d | 3894 | |
f73cf632 GR |
3895 | group = nct6775_create_attr_group(dev, &nct6775_temp_template_group, |
3896 | fls(data->have_temp)); | |
3897 | if (IS_ERR(group)) { | |
3898 | err = PTR_ERR(group); | |
3899 | goto exit_remove; | |
a6bd5878 | 3900 | } |
f73cf632 | 3901 | data->group_temp = group; |
a6bd5878 | 3902 | |
f73cf632 | 3903 | err = sysfs_create_group(&dev->kobj, &nct6775_group_other); |
9de2e2e8 GR |
3904 | if (err) |
3905 | goto exit_remove; | |
3906 | ||
3907 | data->hwmon_dev = hwmon_device_register(dev); | |
3908 | if (IS_ERR(data->hwmon_dev)) { | |
3909 | err = PTR_ERR(data->hwmon_dev); | |
3910 | goto exit_remove; | |
3911 | } | |
3912 | ||
3913 | return 0; | |
3914 | ||
3915 | exit_remove: | |
3916 | nct6775_device_remove_files(dev); | |
3917 | return err; | |
3918 | } | |
3919 | ||
3920 | static int nct6775_remove(struct platform_device *pdev) | |
3921 | { | |
3922 | struct nct6775_data *data = platform_get_drvdata(pdev); | |
3923 | ||
3924 | hwmon_device_unregister(data->hwmon_dev); | |
3925 | nct6775_device_remove_files(&pdev->dev); | |
3926 | ||
3927 | return 0; | |
3928 | } | |
3929 | ||
84d19d92 GR |
3930 | #ifdef CONFIG_PM |
3931 | static int nct6775_suspend(struct device *dev) | |
3932 | { | |
3933 | struct nct6775_data *data = nct6775_update_device(dev); | |
84d19d92 GR |
3934 | |
3935 | mutex_lock(&data->update_lock); | |
3936 | data->vbat = nct6775_read_value(data, data->REG_VBAT); | |
df612d5f | 3937 | if (data->kind == nct6775) { |
84d19d92 GR |
3938 | data->fandiv1 = nct6775_read_value(data, NCT6775_REG_FANDIV1); |
3939 | data->fandiv2 = nct6775_read_value(data, NCT6775_REG_FANDIV2); | |
3940 | } | |
3941 | mutex_unlock(&data->update_lock); | |
3942 | ||
3943 | return 0; | |
3944 | } | |
3945 | ||
3946 | static int nct6775_resume(struct device *dev) | |
3947 | { | |
3948 | struct nct6775_data *data = dev_get_drvdata(dev); | |
84d19d92 GR |
3949 | int i, j; |
3950 | ||
3951 | mutex_lock(&data->update_lock); | |
3952 | data->bank = 0xff; /* Force initial bank selection */ | |
3953 | ||
3954 | /* Restore limits */ | |
3955 | for (i = 0; i < data->in_num; i++) { | |
3956 | if (!(data->have_in & (1 << i))) | |
3957 | continue; | |
3958 | ||
3959 | nct6775_write_value(data, data->REG_IN_MINMAX[0][i], | |
3960 | data->in[i][1]); | |
3961 | nct6775_write_value(data, data->REG_IN_MINMAX[1][i], | |
3962 | data->in[i][2]); | |
3963 | } | |
3964 | ||
c409fd43 | 3965 | for (i = 0; i < ARRAY_SIZE(data->fan_min); i++) { |
84d19d92 GR |
3966 | if (!(data->has_fan_min & (1 << i))) |
3967 | continue; | |
3968 | ||
3969 | nct6775_write_value(data, data->REG_FAN_MIN[i], | |
3970 | data->fan_min[i]); | |
3971 | } | |
3972 | ||
3973 | for (i = 0; i < NUM_TEMP; i++) { | |
3974 | if (!(data->have_temp & (1 << i))) | |
3975 | continue; | |
3976 | ||
c409fd43 | 3977 | for (j = 1; j < ARRAY_SIZE(data->reg_temp); j++) |
84d19d92 GR |
3978 | if (data->reg_temp[j][i]) |
3979 | nct6775_write_temp(data, data->reg_temp[j][i], | |
3980 | data->temp[j][i]); | |
3981 | } | |
3982 | ||
3983 | /* Restore other settings */ | |
3984 | nct6775_write_value(data, data->REG_VBAT, data->vbat); | |
df612d5f | 3985 | if (data->kind == nct6775) { |
84d19d92 GR |
3986 | nct6775_write_value(data, NCT6775_REG_FANDIV1, data->fandiv1); |
3987 | nct6775_write_value(data, NCT6775_REG_FANDIV2, data->fandiv2); | |
3988 | } | |
3989 | ||
3990 | /* Force re-reading all values */ | |
3991 | data->valid = false; | |
3992 | mutex_unlock(&data->update_lock); | |
3993 | ||
3994 | return 0; | |
3995 | } | |
3996 | ||
3997 | static const struct dev_pm_ops nct6775_dev_pm_ops = { | |
3998 | .suspend = nct6775_suspend, | |
3999 | .resume = nct6775_resume, | |
374d1f98 HJ |
4000 | .freeze = nct6775_suspend, |
4001 | .restore = nct6775_resume, | |
84d19d92 GR |
4002 | }; |
4003 | ||
4004 | #define NCT6775_DEV_PM_OPS (&nct6775_dev_pm_ops) | |
4005 | #else | |
4006 | #define NCT6775_DEV_PM_OPS NULL | |
4007 | #endif /* CONFIG_PM */ | |
4008 | ||
9de2e2e8 GR |
4009 | static struct platform_driver nct6775_driver = { |
4010 | .driver = { | |
4011 | .owner = THIS_MODULE, | |
4012 | .name = DRVNAME, | |
84d19d92 | 4013 | .pm = NCT6775_DEV_PM_OPS, |
9de2e2e8 GR |
4014 | }, |
4015 | .probe = nct6775_probe, | |
4016 | .remove = nct6775_remove, | |
4017 | }; | |
4018 | ||
6d4b3621 | 4019 | static const char * const nct6775_sio_names[] __initconst = { |
6c009501 | 4020 | "NCT6106D", |
2c7fd30d GR |
4021 | "NCT6775F", |
4022 | "NCT6776D/F", | |
4023 | "NCT6779D", | |
578ab5f0 | 4024 | "NCT6791D", |
2c7fd30d GR |
4025 | }; |
4026 | ||
9de2e2e8 | 4027 | /* nct6775_find() looks for a '627 in the Super-I/O config space */ |
698a7c24 | 4028 | static int __init nct6775_find(int sioaddr, struct nct6775_sio_data *sio_data) |
9de2e2e8 | 4029 | { |
9de2e2e8 | 4030 | u16 val; |
9de2e2e8 | 4031 | int err; |
698a7c24 | 4032 | int addr; |
9de2e2e8 GR |
4033 | |
4034 | err = superio_enter(sioaddr); | |
4035 | if (err) | |
4036 | return err; | |
4037 | ||
4038 | if (force_id) | |
4039 | val = force_id; | |
4040 | else | |
4041 | val = (superio_inb(sioaddr, SIO_REG_DEVID) << 8) | |
4042 | | superio_inb(sioaddr, SIO_REG_DEVID + 1); | |
4043 | switch (val & SIO_ID_MASK) { | |
6c009501 GR |
4044 | case SIO_NCT6106_ID: |
4045 | sio_data->kind = nct6106; | |
4046 | break; | |
9de2e2e8 GR |
4047 | case SIO_NCT6775_ID: |
4048 | sio_data->kind = nct6775; | |
9de2e2e8 GR |
4049 | break; |
4050 | case SIO_NCT6776_ID: | |
4051 | sio_data->kind = nct6776; | |
9de2e2e8 GR |
4052 | break; |
4053 | case SIO_NCT6779_ID: | |
4054 | sio_data->kind = nct6779; | |
9de2e2e8 | 4055 | break; |
578ab5f0 DB |
4056 | case SIO_NCT6791_ID: |
4057 | sio_data->kind = nct6791; | |
4058 | break; | |
9de2e2e8 GR |
4059 | default: |
4060 | if (val != 0xffff) | |
4061 | pr_debug("unsupported chip ID: 0x%04x\n", val); | |
4062 | superio_exit(sioaddr); | |
4063 | return -ENODEV; | |
4064 | } | |
4065 | ||
4066 | /* We have a known chip, find the HWM I/O address */ | |
4067 | superio_select(sioaddr, NCT6775_LD_HWM); | |
4068 | val = (superio_inb(sioaddr, SIO_REG_ADDR) << 8) | |
4069 | | superio_inb(sioaddr, SIO_REG_ADDR + 1); | |
698a7c24 GR |
4070 | addr = val & IOREGION_ALIGNMENT; |
4071 | if (addr == 0) { | |
9de2e2e8 GR |
4072 | pr_err("Refusing to enable a Super-I/O device with a base I/O port 0\n"); |
4073 | superio_exit(sioaddr); | |
4074 | return -ENODEV; | |
4075 | } | |
4076 | ||
4077 | /* Activate logical device if needed */ | |
4078 | val = superio_inb(sioaddr, SIO_REG_ENABLE); | |
4079 | if (!(val & 0x01)) { | |
4080 | pr_warn("Forcibly enabling Super-I/O. Sensor is probably unusable.\n"); | |
4081 | superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01); | |
4082 | } | |
578ab5f0 DB |
4083 | if (sio_data->kind == nct6791) { |
4084 | val = superio_inb(sioaddr, NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE); | |
4085 | if (val & 0x10) { | |
4086 | pr_info("Enabling hardware monitor logical device mappings.\n"); | |
4087 | superio_outb(sioaddr, | |
4088 | NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE, | |
4089 | val & ~0x10); | |
4090 | } | |
4091 | } | |
9de2e2e8 GR |
4092 | |
4093 | superio_exit(sioaddr); | |
698a7c24 GR |
4094 | pr_info("Found %s or compatible chip at %#x:%#x\n", |
4095 | nct6775_sio_names[sio_data->kind], sioaddr, addr); | |
9de2e2e8 GR |
4096 | sio_data->sioreg = sioaddr; |
4097 | ||
698a7c24 | 4098 | return addr; |
9de2e2e8 GR |
4099 | } |
4100 | ||
4101 | /* | |
4102 | * when Super-I/O functions move to a separate file, the Super-I/O | |
4103 | * bus will manage the lifetime of the device and this module will only keep | |
4104 | * track of the nct6775 driver. But since we platform_device_alloc(), we | |
4105 | * must keep track of the device | |
4106 | */ | |
698a7c24 | 4107 | static struct platform_device *pdev[2]; |
9de2e2e8 GR |
4108 | |
4109 | static int __init sensors_nct6775_init(void) | |
4110 | { | |
698a7c24 GR |
4111 | int i, err; |
4112 | bool found = false; | |
4113 | int address; | |
9de2e2e8 GR |
4114 | struct resource res; |
4115 | struct nct6775_sio_data sio_data; | |
698a7c24 GR |
4116 | int sioaddr[2] = { 0x2e, 0x4e }; |
4117 | ||
4118 | err = platform_driver_register(&nct6775_driver); | |
4119 | if (err) | |
4120 | return err; | |
9de2e2e8 GR |
4121 | |
4122 | /* | |
4123 | * initialize sio_data->kind and sio_data->sioreg. | |
4124 | * | |
4125 | * when Super-I/O functions move to a separate file, the Super-I/O | |
4126 | * driver will probe 0x2e and 0x4e and auto-detect the presence of a | |
4127 | * nct6775 hardware monitor, and call probe() | |
4128 | */ | |
698a7c24 GR |
4129 | for (i = 0; i < ARRAY_SIZE(pdev); i++) { |
4130 | address = nct6775_find(sioaddr[i], &sio_data); | |
4131 | if (address <= 0) | |
4132 | continue; | |
9de2e2e8 | 4133 | |
698a7c24 | 4134 | found = true; |
9de2e2e8 | 4135 | |
698a7c24 GR |
4136 | pdev[i] = platform_device_alloc(DRVNAME, address); |
4137 | if (!pdev[i]) { | |
4138 | err = -ENOMEM; | |
4139 | goto exit_device_put; | |
4140 | } | |
9de2e2e8 | 4141 | |
698a7c24 GR |
4142 | err = platform_device_add_data(pdev[i], &sio_data, |
4143 | sizeof(struct nct6775_sio_data)); | |
4144 | if (err) | |
4145 | goto exit_device_put; | |
4146 | ||
4147 | memset(&res, 0, sizeof(res)); | |
4148 | res.name = DRVNAME; | |
4149 | res.start = address + IOREGION_OFFSET; | |
4150 | res.end = address + IOREGION_OFFSET + IOREGION_LENGTH - 1; | |
4151 | res.flags = IORESOURCE_IO; | |
4152 | ||
4153 | err = acpi_check_resource_conflict(&res); | |
4154 | if (err) { | |
4155 | platform_device_put(pdev[i]); | |
4156 | pdev[i] = NULL; | |
4157 | continue; | |
4158 | } | |
9de2e2e8 | 4159 | |
698a7c24 GR |
4160 | err = platform_device_add_resources(pdev[i], &res, 1); |
4161 | if (err) | |
4162 | goto exit_device_put; | |
9de2e2e8 | 4163 | |
698a7c24 GR |
4164 | /* platform_device_add calls probe() */ |
4165 | err = platform_device_add(pdev[i]); | |
4166 | if (err) | |
4167 | goto exit_device_put; | |
9de2e2e8 | 4168 | } |
698a7c24 GR |
4169 | if (!found) { |
4170 | err = -ENODEV; | |
4171 | goto exit_unregister; | |
9de2e2e8 GR |
4172 | } |
4173 | ||
4174 | return 0; | |
4175 | ||
4176 | exit_device_put: | |
698a7c24 GR |
4177 | for (i = 0; i < ARRAY_SIZE(pdev); i++) { |
4178 | if (pdev[i]) | |
4179 | platform_device_put(pdev[i]); | |
4180 | } | |
9de2e2e8 GR |
4181 | exit_unregister: |
4182 | platform_driver_unregister(&nct6775_driver); | |
9de2e2e8 GR |
4183 | return err; |
4184 | } | |
4185 | ||
4186 | static void __exit sensors_nct6775_exit(void) | |
4187 | { | |
698a7c24 GR |
4188 | int i; |
4189 | ||
4190 | for (i = 0; i < ARRAY_SIZE(pdev); i++) { | |
4191 | if (pdev[i]) | |
4192 | platform_device_unregister(pdev[i]); | |
4193 | } | |
9de2e2e8 GR |
4194 | platform_driver_unregister(&nct6775_driver); |
4195 | } | |
4196 | ||
4197 | MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>"); | |
4198 | MODULE_DESCRIPTION("NCT6775F/NCT6776F/NCT6779D driver"); | |
4199 | MODULE_LICENSE("GPL"); | |
4200 | ||
4201 | module_init(sensors_nct6775_init); | |
4202 | module_exit(sensors_nct6775_exit); |