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792d376b WS |
1 | /* |
2 | * w83795.c - Linux kernel driver for hardware monitoring | |
3 | * Copyright (C) 2008 Nuvoton Technology Corp. | |
4 | * Wei Song | |
e3760b43 | 5 | * Copyright (C) 2010 Jean Delvare <khali@linux-fr.org> |
792d376b WS |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation - version 2. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
19 | * 02110-1301 USA. | |
20 | * | |
21 | * Supports following chips: | |
22 | * | |
23 | * Chip #vin #fanin #pwm #temp #dts wchipid vendid i2c ISA | |
24 | * w83795g 21 14 8 6 8 0x79 0x5ca3 yes no | |
25 | * w83795adg 18 14 2 6 8 0x79 0x5ca3 yes no | |
26 | */ | |
27 | ||
28 | #include <linux/kernel.h> | |
29 | #include <linux/module.h> | |
30 | #include <linux/init.h> | |
31 | #include <linux/slab.h> | |
32 | #include <linux/i2c.h> | |
33 | #include <linux/hwmon.h> | |
34 | #include <linux/hwmon-sysfs.h> | |
35 | #include <linux/err.h> | |
36 | #include <linux/mutex.h> | |
37 | #include <linux/delay.h> | |
38 | ||
39 | /* Addresses to scan */ | |
86ef4d2f JD |
40 | static const unsigned short normal_i2c[] = { |
41 | 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END | |
42 | }; | |
792d376b | 43 | |
792d376b WS |
44 | |
45 | static int reset; | |
46 | module_param(reset, bool, 0); | |
47 | MODULE_PARM_DESC(reset, "Set to 1 to reset chip, not recommended"); | |
48 | ||
49 | ||
50 | #define W83795_REG_BANKSEL 0x00 | |
51 | #define W83795_REG_VENDORID 0xfd | |
52 | #define W83795_REG_CHIPID 0xfe | |
53 | #define W83795_REG_DEVICEID 0xfb | |
2be381de | 54 | #define W83795_REG_DEVICEID_A 0xff |
792d376b WS |
55 | |
56 | #define W83795_REG_I2C_ADDR 0xfc | |
57 | #define W83795_REG_CONFIG 0x01 | |
58 | #define W83795_REG_CONFIG_CONFIG48 0x04 | |
80646b95 | 59 | #define W83795_REG_CONFIG_START 0x01 |
792d376b WS |
60 | |
61 | /* Multi-Function Pin Ctrl Registers */ | |
62 | #define W83795_REG_VOLT_CTRL1 0x02 | |
63 | #define W83795_REG_VOLT_CTRL2 0x03 | |
64 | #define W83795_REG_TEMP_CTRL1 0x04 | |
65 | #define W83795_REG_TEMP_CTRL2 0x05 | |
66 | #define W83795_REG_FANIN_CTRL1 0x06 | |
67 | #define W83795_REG_FANIN_CTRL2 0x07 | |
68 | #define W83795_REG_VMIGB_CTRL 0x08 | |
69 | ||
792d376b WS |
70 | #define TEMP_READ 0 |
71 | #define TEMP_CRIT 1 | |
72 | #define TEMP_CRIT_HYST 2 | |
73 | #define TEMP_WARN 3 | |
74 | #define TEMP_WARN_HYST 4 | |
75 | /* only crit and crit_hyst affect real-time alarm status | |
76 | * current crit crit_hyst warn warn_hyst */ | |
86ef4d2f | 77 | static const u16 W83795_REG_TEMP[][5] = { |
792d376b WS |
78 | {0x21, 0x96, 0x97, 0x98, 0x99}, /* TD1/TR1 */ |
79 | {0x22, 0x9a, 0x9b, 0x9c, 0x9d}, /* TD2/TR2 */ | |
80 | {0x23, 0x9e, 0x9f, 0xa0, 0xa1}, /* TD3/TR3 */ | |
81 | {0x24, 0xa2, 0xa3, 0xa4, 0xa5}, /* TD4/TR4 */ | |
82 | {0x1f, 0xa6, 0xa7, 0xa8, 0xa9}, /* TR5 */ | |
83 | {0x20, 0xaa, 0xab, 0xac, 0xad}, /* TR6 */ | |
84 | }; | |
85 | ||
86 | #define IN_READ 0 | |
87 | #define IN_MAX 1 | |
88 | #define IN_LOW 2 | |
89 | static const u16 W83795_REG_IN[][3] = { | |
90 | /* Current, HL, LL */ | |
91 | {0x10, 0x70, 0x71}, /* VSEN1 */ | |
92 | {0x11, 0x72, 0x73}, /* VSEN2 */ | |
93 | {0x12, 0x74, 0x75}, /* VSEN3 */ | |
94 | {0x13, 0x76, 0x77}, /* VSEN4 */ | |
95 | {0x14, 0x78, 0x79}, /* VSEN5 */ | |
96 | {0x15, 0x7a, 0x7b}, /* VSEN6 */ | |
97 | {0x16, 0x7c, 0x7d}, /* VSEN7 */ | |
98 | {0x17, 0x7e, 0x7f}, /* VSEN8 */ | |
99 | {0x18, 0x80, 0x81}, /* VSEN9 */ | |
100 | {0x19, 0x82, 0x83}, /* VSEN10 */ | |
101 | {0x1A, 0x84, 0x85}, /* VSEN11 */ | |
102 | {0x1B, 0x86, 0x87}, /* VTT */ | |
103 | {0x1C, 0x88, 0x89}, /* 3VDD */ | |
104 | {0x1D, 0x8a, 0x8b}, /* 3VSB */ | |
105 | {0x1E, 0x8c, 0x8d}, /* VBAT */ | |
106 | {0x1F, 0xa6, 0xa7}, /* VSEN12 */ | |
107 | {0x20, 0xaa, 0xab}, /* VSEN13 */ | |
108 | {0x21, 0x96, 0x97}, /* VSEN14 */ | |
109 | {0x22, 0x9a, 0x9b}, /* VSEN15 */ | |
110 | {0x23, 0x9e, 0x9f}, /* VSEN16 */ | |
111 | {0x24, 0xa2, 0xa3}, /* VSEN17 */ | |
112 | }; | |
113 | #define W83795_REG_VRLSB 0x3C | |
792d376b WS |
114 | |
115 | static const u8 W83795_REG_IN_HL_LSB[] = { | |
116 | 0x8e, /* VSEN1-4 */ | |
117 | 0x90, /* VSEN5-8 */ | |
118 | 0x92, /* VSEN9-11 */ | |
119 | 0x94, /* VTT, 3VDD, 3VSB, 3VBAT */ | |
120 | 0xa8, /* VSEN12 */ | |
121 | 0xac, /* VSEN13 */ | |
122 | 0x98, /* VSEN14 */ | |
123 | 0x9c, /* VSEN15 */ | |
124 | 0xa0, /* VSEN16 */ | |
125 | 0xa4, /* VSEN17 */ | |
126 | }; | |
127 | ||
128 | #define IN_LSB_REG(index, type) \ | |
129 | (((type) == 1) ? W83795_REG_IN_HL_LSB[(index)] \ | |
130 | : (W83795_REG_IN_HL_LSB[(index)] + 1)) | |
131 | ||
792d376b WS |
132 | #define IN_LSB_SHIFT 0 |
133 | #define IN_LSB_IDX 1 | |
134 | static const u8 IN_LSB_SHIFT_IDX[][2] = { | |
135 | /* High/Low LSB shift, LSB No. */ | |
136 | {0x00, 0x00}, /* VSEN1 */ | |
137 | {0x02, 0x00}, /* VSEN2 */ | |
138 | {0x04, 0x00}, /* VSEN3 */ | |
139 | {0x06, 0x00}, /* VSEN4 */ | |
140 | {0x00, 0x01}, /* VSEN5 */ | |
141 | {0x02, 0x01}, /* VSEN6 */ | |
142 | {0x04, 0x01}, /* VSEN7 */ | |
143 | {0x06, 0x01}, /* VSEN8 */ | |
144 | {0x00, 0x02}, /* VSEN9 */ | |
145 | {0x02, 0x02}, /* VSEN10 */ | |
146 | {0x04, 0x02}, /* VSEN11 */ | |
147 | {0x00, 0x03}, /* VTT */ | |
148 | {0x02, 0x03}, /* 3VDD */ | |
149 | {0x04, 0x03}, /* 3VSB */ | |
150 | {0x06, 0x03}, /* VBAT */ | |
151 | {0x06, 0x04}, /* VSEN12 */ | |
152 | {0x06, 0x05}, /* VSEN13 */ | |
153 | {0x06, 0x06}, /* VSEN14 */ | |
154 | {0x06, 0x07}, /* VSEN15 */ | |
155 | {0x06, 0x08}, /* VSEN16 */ | |
156 | {0x06, 0x09}, /* VSEN17 */ | |
157 | }; | |
158 | ||
159 | ||
792d376b WS |
160 | #define W83795_REG_FAN(index) (0x2E + (index)) |
161 | #define W83795_REG_FAN_MIN_HL(index) (0xB6 + (index)) | |
162 | #define W83795_REG_FAN_MIN_LSB(index) (0xC4 + (index) / 2) | |
163 | #define W83795_REG_FAN_MIN_LSB_SHIFT(index) \ | |
7eb8d508 | 164 | (((index) & 1) ? 4 : 0) |
792d376b WS |
165 | |
166 | #define W83795_REG_VID_CTRL 0x6A | |
167 | ||
792d376b WS |
168 | #define W83795_REG_ALARM(index) (0x41 + (index)) |
169 | #define W83795_REG_BEEP(index) (0x50 + (index)) | |
170 | ||
171 | #define W83795_REG_CLR_CHASSIS 0x4D | |
172 | ||
173 | ||
792d376b WS |
174 | #define W83795_REG_FCMS1 0x201 |
175 | #define W83795_REG_FCMS2 0x208 | |
176 | #define W83795_REG_TFMR(index) (0x202 + (index)) | |
177 | #define W83795_REG_FOMC 0x20F | |
792d376b WS |
178 | |
179 | #define W83795_REG_TSS(index) (0x209 + (index)) | |
180 | ||
181 | #define PWM_OUTPUT 0 | |
fd7f82b8 JD |
182 | #define PWM_FREQ 1 |
183 | #define PWM_START 2 | |
184 | #define PWM_NONSTOP 3 | |
185 | #define PWM_STOP_TIME 4 | |
186 | #define W83795_REG_PWM(index, nr) (0x210 + (nr) * 8 + (index)) | |
792d376b | 187 | |
792d376b WS |
188 | #define W83795_REG_FTSH(index) (0x240 + (index) * 2) |
189 | #define W83795_REG_FTSL(index) (0x241 + (index) * 2) | |
190 | #define W83795_REG_TFTS 0x250 | |
191 | ||
192 | #define TEMP_PWM_TTTI 0 | |
193 | #define TEMP_PWM_CTFS 1 | |
194 | #define TEMP_PWM_HCT 2 | |
195 | #define TEMP_PWM_HOT 3 | |
196 | #define W83795_REG_TTTI(index) (0x260 + (index)) | |
197 | #define W83795_REG_CTFS(index) (0x268 + (index)) | |
198 | #define W83795_REG_HT(index) (0x270 + (index)) | |
199 | ||
200 | #define SF4_TEMP 0 | |
201 | #define SF4_PWM 1 | |
202 | #define W83795_REG_SF4_TEMP(temp_num, index) \ | |
203 | (0x280 + 0x10 * (temp_num) + (index)) | |
204 | #define W83795_REG_SF4_PWM(temp_num, index) \ | |
205 | (0x288 + 0x10 * (temp_num) + (index)) | |
206 | ||
207 | #define W83795_REG_DTSC 0x301 | |
208 | #define W83795_REG_DTSE 0x302 | |
209 | #define W83795_REG_DTS(index) (0x26 + (index)) | |
54891a3c | 210 | #define W83795_REG_PECI_TBASE(index) (0x320 + (index)) |
792d376b WS |
211 | |
212 | #define DTS_CRIT 0 | |
213 | #define DTS_CRIT_HYST 1 | |
214 | #define DTS_WARN 2 | |
215 | #define DTS_WARN_HYST 3 | |
216 | #define W83795_REG_DTS_EXT(index) (0xB2 + (index)) | |
217 | ||
218 | #define SETUP_PWM_DEFAULT 0 | |
219 | #define SETUP_PWM_UPTIME 1 | |
220 | #define SETUP_PWM_DOWNTIME 2 | |
221 | #define W83795_REG_SETUP_PWM(index) (0x20C + (index)) | |
222 | ||
223 | static inline u16 in_from_reg(u8 index, u16 val) | |
224 | { | |
49c7347a JD |
225 | /* 3VDD, 3VSB and VBAT: 6 mV/bit; other inputs: 2 mV/bit */ |
226 | if (index >= 12 && index <= 14) | |
792d376b WS |
227 | return val * 6; |
228 | else | |
229 | return val * 2; | |
230 | } | |
231 | ||
232 | static inline u16 in_to_reg(u8 index, u16 val) | |
233 | { | |
49c7347a | 234 | if (index >= 12 && index <= 14) |
792d376b WS |
235 | return val / 6; |
236 | else | |
237 | return val / 2; | |
238 | } | |
239 | ||
240 | static inline unsigned long fan_from_reg(u16 val) | |
241 | { | |
6c82b2f3 | 242 | if ((val == 0xfff) || (val == 0)) |
792d376b WS |
243 | return 0; |
244 | return 1350000UL / val; | |
245 | } | |
246 | ||
247 | static inline u16 fan_to_reg(long rpm) | |
248 | { | |
249 | if (rpm <= 0) | |
250 | return 0x0fff; | |
251 | return SENSORS_LIMIT((1350000 + (rpm >> 1)) / rpm, 1, 0xffe); | |
252 | } | |
253 | ||
254 | static inline unsigned long time_from_reg(u8 reg) | |
255 | { | |
256 | return reg * 100; | |
257 | } | |
258 | ||
259 | static inline u8 time_to_reg(unsigned long val) | |
260 | { | |
261 | return SENSORS_LIMIT((val + 50) / 100, 0, 0xff); | |
262 | } | |
263 | ||
264 | static inline long temp_from_reg(s8 reg) | |
265 | { | |
266 | return reg * 1000; | |
267 | } | |
268 | ||
269 | static inline s8 temp_to_reg(long val, s8 min, s8 max) | |
270 | { | |
dd127f5c | 271 | return SENSORS_LIMIT(val / 1000, min, max); |
792d376b WS |
272 | } |
273 | ||
01879a85 JD |
274 | static const u16 pwm_freq_cksel0[16] = { |
275 | 1024, 512, 341, 256, 205, 171, 146, 128, | |
276 | 85, 64, 32, 16, 8, 4, 2, 1 | |
277 | }; | |
278 | ||
279 | static unsigned int pwm_freq_from_reg(u8 reg, u16 clkin) | |
280 | { | |
281 | unsigned long base_clock; | |
282 | ||
283 | if (reg & 0x80) { | |
284 | base_clock = clkin * 1000 / ((clkin == 48000) ? 384 : 256); | |
285 | return base_clock / ((reg & 0x7f) + 1); | |
286 | } else | |
287 | return pwm_freq_cksel0[reg & 0x0f]; | |
288 | } | |
289 | ||
290 | static u8 pwm_freq_to_reg(unsigned long val, u16 clkin) | |
291 | { | |
292 | unsigned long base_clock; | |
293 | u8 reg0, reg1; | |
294 | unsigned long best0, best1; | |
295 | ||
296 | /* Best fit for cksel = 0 */ | |
297 | for (reg0 = 0; reg0 < ARRAY_SIZE(pwm_freq_cksel0) - 1; reg0++) { | |
298 | if (val > (pwm_freq_cksel0[reg0] + | |
299 | pwm_freq_cksel0[reg0 + 1]) / 2) | |
300 | break; | |
301 | } | |
302 | if (val < 375) /* cksel = 1 can't beat this */ | |
303 | return reg0; | |
304 | best0 = pwm_freq_cksel0[reg0]; | |
305 | ||
306 | /* Best fit for cksel = 1 */ | |
307 | base_clock = clkin * 1000 / ((clkin == 48000) ? 384 : 256); | |
308 | reg1 = SENSORS_LIMIT(DIV_ROUND_CLOSEST(base_clock, val), 1, 128); | |
309 | best1 = base_clock / reg1; | |
310 | reg1 = 0x80 | (reg1 - 1); | |
311 | ||
312 | /* Choose the closest one */ | |
313 | if (abs(val - best0) > abs(val - best1)) | |
314 | return reg1; | |
315 | else | |
316 | return reg0; | |
317 | } | |
792d376b WS |
318 | |
319 | enum chip_types {w83795g, w83795adg}; | |
320 | ||
321 | struct w83795_data { | |
322 | struct device *hwmon_dev; | |
323 | struct mutex update_lock; | |
324 | unsigned long last_updated; /* In jiffies */ | |
325 | enum chip_types chip_type; | |
326 | ||
327 | u8 bank; | |
328 | ||
329 | u32 has_in; /* Enable monitor VIN or not */ | |
0e256018 | 330 | u8 has_dyn_in; /* Only in2-0 can have this */ |
792d376b WS |
331 | u16 in[21][3]; /* Register value, read/high/low */ |
332 | u8 in_lsb[10][3]; /* LSB Register value, high/low */ | |
333 | u8 has_gain; /* has gain: in17-20 * 8 */ | |
334 | ||
335 | u16 has_fan; /* Enable fan14-1 or not */ | |
336 | u16 fan[14]; /* Register value combine */ | |
337 | u16 fan_min[14]; /* Register value combine */ | |
338 | ||
339 | u8 has_temp; /* Enable monitor temp6-1 or not */ | |
dd127f5c | 340 | s8 temp[6][5]; /* current, crit, crit_hyst, warn, warn_hyst */ |
792d376b | 341 | u8 temp_read_vrlsb[6]; |
39deb699 | 342 | u8 temp_mode; /* Bit vector, 0 = TR, 1 = TD */ |
792d376b WS |
343 | u8 temp_src[3]; /* Register value */ |
344 | ||
345 | u8 enable_dts; /* Enable PECI and SB-TSI, | |
346 | * bit 0: =1 enable, =0 disable, | |
347 | * bit 1: =1 AMD SB-TSI, =0 Intel PECI */ | |
348 | u8 has_dts; /* Enable monitor DTS temp */ | |
dd127f5c | 349 | s8 dts[8]; /* Register value */ |
792d376b | 350 | u8 dts_read_vrlsb[8]; /* Register value */ |
dd127f5c | 351 | s8 dts_ext[4]; /* Register value */ |
792d376b WS |
352 | |
353 | u8 has_pwm; /* 795g supports 8 pwm, 795adg only supports 2, | |
354 | * no config register, only affected by chip | |
355 | * type */ | |
fd7f82b8 JD |
356 | u8 pwm[8][5]; /* Register value, output, freq, start, |
357 | * non stop, stop time */ | |
01879a85 | 358 | u16 clkin; /* CLKIN frequency in kHz */ |
792d376b WS |
359 | u8 pwm_fcms[2]; /* Register value */ |
360 | u8 pwm_tfmr[6]; /* Register value */ | |
361 | u8 pwm_fomc; /* Register value */ | |
362 | ||
363 | u16 target_speed[8]; /* Register value, target speed for speed | |
364 | * cruise */ | |
365 | u8 tol_speed; /* tolerance of target speed */ | |
366 | u8 pwm_temp[6][4]; /* TTTI, CTFS, HCT, HOT */ | |
367 | u8 sf4_reg[6][2][7]; /* 6 temp, temp/dcpwm, 7 registers */ | |
368 | ||
369 | u8 setup_pwm[3]; /* Register value */ | |
370 | ||
371 | u8 alarms[6]; /* Register value */ | |
372 | u8 beeps[6]; /* Register value */ | |
792d376b WS |
373 | |
374 | char valid; | |
2ae61de9 | 375 | char valid_limits; |
1bb3450c | 376 | char valid_pwm_config; |
792d376b WS |
377 | }; |
378 | ||
379 | /* | |
380 | * Hardware access | |
b2469f42 | 381 | * We assume that nobdody can change the bank outside the driver. |
792d376b WS |
382 | */ |
383 | ||
b2469f42 JD |
384 | /* Must be called with data->update_lock held, except during initialization */ |
385 | static int w83795_set_bank(struct i2c_client *client, u8 bank) | |
792d376b WS |
386 | { |
387 | struct w83795_data *data = i2c_get_clientdata(client); | |
b2469f42 JD |
388 | int err; |
389 | ||
390 | /* If the same bank is already set, nothing to do */ | |
391 | if ((data->bank & 0x07) == bank) | |
392 | return 0; | |
393 | ||
394 | /* Change to new bank, preserve all other bits */ | |
395 | bank |= data->bank & ~0x07; | |
396 | err = i2c_smbus_write_byte_data(client, W83795_REG_BANKSEL, bank); | |
397 | if (err < 0) { | |
398 | dev_err(&client->dev, | |
399 | "Failed to set bank to %d, err %d\n", | |
400 | (int)bank, err); | |
401 | return err; | |
792d376b | 402 | } |
b2469f42 JD |
403 | data->bank = bank; |
404 | ||
405 | return 0; | |
792d376b WS |
406 | } |
407 | ||
408 | /* Must be called with data->update_lock held, except during initialization */ | |
b2469f42 | 409 | static u8 w83795_read(struct i2c_client *client, u16 reg) |
792d376b | 410 | { |
b2469f42 JD |
411 | int err; |
412 | ||
413 | err = w83795_set_bank(client, reg >> 8); | |
414 | if (err < 0) | |
415 | return 0x00; /* Arbitrary */ | |
416 | ||
417 | err = i2c_smbus_read_byte_data(client, reg & 0xff); | |
418 | if (err < 0) { | |
419 | dev_err(&client->dev, | |
420 | "Failed to read from register 0x%03x, err %d\n", | |
421 | (int)reg, err); | |
422 | return 0x00; /* Arbitrary */ | |
792d376b | 423 | } |
b2469f42 JD |
424 | return err; |
425 | } | |
792d376b | 426 | |
b2469f42 JD |
427 | /* Must be called with data->update_lock held, except during initialization */ |
428 | static int w83795_write(struct i2c_client *client, u16 reg, u8 value) | |
429 | { | |
430 | int err; | |
431 | ||
432 | err = w83795_set_bank(client, reg >> 8); | |
433 | if (err < 0) | |
434 | return err; | |
435 | ||
436 | err = i2c_smbus_write_byte_data(client, reg & 0xff, value); | |
437 | if (err < 0) | |
438 | dev_err(&client->dev, | |
439 | "Failed to write to register 0x%03x, err %d\n", | |
440 | (int)reg, err); | |
441 | return err; | |
792d376b WS |
442 | } |
443 | ||
0d7237bf JD |
444 | static void w83795_update_limits(struct i2c_client *client) |
445 | { | |
446 | struct w83795_data *data = i2c_get_clientdata(client); | |
447 | int i, limit; | |
448 | ||
449 | /* Read the voltage limits */ | |
450 | for (i = 0; i < ARRAY_SIZE(data->in); i++) { | |
451 | if (!(data->has_in & (1 << i))) | |
452 | continue; | |
453 | data->in[i][IN_MAX] = | |
454 | w83795_read(client, W83795_REG_IN[i][IN_MAX]); | |
455 | data->in[i][IN_LOW] = | |
456 | w83795_read(client, W83795_REG_IN[i][IN_LOW]); | |
457 | } | |
458 | for (i = 0; i < ARRAY_SIZE(data->in_lsb); i++) { | |
459 | if ((i == 2 && data->chip_type == w83795adg) || | |
460 | (i >= 4 && !(data->has_in & (1 << (i + 11))))) | |
461 | continue; | |
462 | data->in_lsb[i][IN_MAX] = | |
463 | w83795_read(client, IN_LSB_REG(i, IN_MAX)); | |
464 | data->in_lsb[i][IN_LOW] = | |
465 | w83795_read(client, IN_LSB_REG(i, IN_LOW)); | |
466 | } | |
467 | ||
468 | /* Read the fan limits */ | |
469 | for (i = 0; i < ARRAY_SIZE(data->fan); i++) { | |
470 | u8 lsb; | |
471 | ||
472 | /* Each register contains LSB for 2 fans, but we want to | |
473 | * read it only once to save time */ | |
474 | if ((i & 1) == 0 && (data->has_fan & (3 << i))) | |
475 | lsb = w83795_read(client, W83795_REG_FAN_MIN_LSB(i)); | |
476 | ||
477 | if (!(data->has_fan & (1 << i))) | |
478 | continue; | |
479 | data->fan_min[i] = | |
480 | w83795_read(client, W83795_REG_FAN_MIN_HL(i)) << 4; | |
481 | data->fan_min[i] |= | |
482 | (lsb >> W83795_REG_FAN_MIN_LSB_SHIFT(i)) & 0x0F; | |
483 | } | |
484 | ||
485 | /* Read the temperature limits */ | |
486 | for (i = 0; i < ARRAY_SIZE(data->temp); i++) { | |
487 | if (!(data->has_temp & (1 << i))) | |
488 | continue; | |
489 | for (limit = TEMP_CRIT; limit <= TEMP_WARN_HYST; limit++) | |
490 | data->temp[i][limit] = | |
491 | w83795_read(client, W83795_REG_TEMP[i][limit]); | |
492 | } | |
493 | ||
494 | /* Read the DTS limits */ | |
eb02755a | 495 | if (data->enable_dts) { |
0d7237bf JD |
496 | for (limit = DTS_CRIT; limit <= DTS_WARN_HYST; limit++) |
497 | data->dts_ext[limit] = | |
498 | w83795_read(client, W83795_REG_DTS_EXT(limit)); | |
499 | } | |
500 | ||
501 | /* Read beep settings */ | |
502 | for (i = 0; i < ARRAY_SIZE(data->beeps); i++) | |
503 | data->beeps[i] = w83795_read(client, W83795_REG_BEEP(i)); | |
2ae61de9 JD |
504 | |
505 | data->valid_limits = 1; | |
0d7237bf JD |
506 | } |
507 | ||
1bb3450c | 508 | static struct w83795_data *w83795_update_pwm_config(struct device *dev) |
0d7237bf | 509 | { |
1bb3450c | 510 | struct i2c_client *client = to_i2c_client(dev); |
0d7237bf JD |
511 | struct w83795_data *data = i2c_get_clientdata(client); |
512 | int i, tmp; | |
513 | ||
1bb3450c JD |
514 | mutex_lock(&data->update_lock); |
515 | ||
516 | if (data->valid_pwm_config) | |
517 | goto END; | |
518 | ||
0d7237bf JD |
519 | /* Read temperature source selection */ |
520 | for (i = 0; i < ARRAY_SIZE(data->temp_src); i++) | |
521 | data->temp_src[i] = w83795_read(client, W83795_REG_TSS(i)); | |
522 | ||
523 | /* Read automatic fan speed control settings */ | |
524 | data->pwm_fcms[0] = w83795_read(client, W83795_REG_FCMS1); | |
525 | data->pwm_fcms[1] = w83795_read(client, W83795_REG_FCMS2); | |
526 | for (i = 0; i < ARRAY_SIZE(data->pwm_tfmr); i++) | |
527 | data->pwm_tfmr[i] = w83795_read(client, W83795_REG_TFMR(i)); | |
528 | data->pwm_fomc = w83795_read(client, W83795_REG_FOMC); | |
529 | for (i = 0; i < data->has_pwm; i++) { | |
530 | for (tmp = PWM_FREQ; tmp <= PWM_STOP_TIME; tmp++) | |
531 | data->pwm[i][tmp] = | |
532 | w83795_read(client, W83795_REG_PWM(i, tmp)); | |
533 | } | |
534 | for (i = 0; i < ARRAY_SIZE(data->target_speed); i++) { | |
535 | data->target_speed[i] = | |
536 | w83795_read(client, W83795_REG_FTSH(i)) << 4; | |
537 | data->target_speed[i] |= | |
538 | w83795_read(client, W83795_REG_FTSL(i)) >> 4; | |
539 | } | |
540 | data->tol_speed = w83795_read(client, W83795_REG_TFTS) & 0x3f; | |
541 | ||
542 | for (i = 0; i < ARRAY_SIZE(data->pwm_temp); i++) { | |
543 | data->pwm_temp[i][TEMP_PWM_TTTI] = | |
544 | w83795_read(client, W83795_REG_TTTI(i)) & 0x7f; | |
545 | data->pwm_temp[i][TEMP_PWM_CTFS] = | |
546 | w83795_read(client, W83795_REG_CTFS(i)); | |
547 | tmp = w83795_read(client, W83795_REG_HT(i)); | |
eb02755a | 548 | data->pwm_temp[i][TEMP_PWM_HCT] = tmp >> 4; |
0d7237bf JD |
549 | data->pwm_temp[i][TEMP_PWM_HOT] = tmp & 0x0f; |
550 | } | |
551 | ||
552 | /* Read SmartFanIV trip points */ | |
553 | for (i = 0; i < ARRAY_SIZE(data->sf4_reg); i++) { | |
554 | for (tmp = 0; tmp < 7; tmp++) { | |
555 | data->sf4_reg[i][SF4_TEMP][tmp] = | |
556 | w83795_read(client, | |
557 | W83795_REG_SF4_TEMP(i, tmp)); | |
558 | data->sf4_reg[i][SF4_PWM][tmp] = | |
559 | w83795_read(client, W83795_REG_SF4_PWM(i, tmp)); | |
560 | } | |
561 | } | |
562 | ||
563 | /* Read setup PWM */ | |
564 | for (i = 0; i < ARRAY_SIZE(data->setup_pwm); i++) | |
565 | data->setup_pwm[i] = | |
566 | w83795_read(client, W83795_REG_SETUP_PWM(i)); | |
1bb3450c JD |
567 | |
568 | data->valid_pwm_config = 1; | |
569 | ||
570 | END: | |
571 | mutex_unlock(&data->update_lock); | |
572 | return data; | |
0d7237bf JD |
573 | } |
574 | ||
792d376b WS |
575 | static struct w83795_data *w83795_update_device(struct device *dev) |
576 | { | |
577 | struct i2c_client *client = to_i2c_client(dev); | |
578 | struct w83795_data *data = i2c_get_clientdata(client); | |
579 | u16 tmp; | |
580 | int i; | |
581 | ||
582 | mutex_lock(&data->update_lock); | |
583 | ||
2ae61de9 JD |
584 | if (!data->valid_limits) |
585 | w83795_update_limits(client); | |
586 | ||
792d376b WS |
587 | if (!(time_after(jiffies, data->last_updated + HZ * 2) |
588 | || !data->valid)) | |
589 | goto END; | |
590 | ||
591 | /* Update the voltages value */ | |
592 | for (i = 0; i < ARRAY_SIZE(data->in); i++) { | |
593 | if (!(data->has_in & (1 << i))) | |
594 | continue; | |
595 | tmp = w83795_read(client, W83795_REG_IN[i][IN_READ]) << 2; | |
a654b9d4 | 596 | tmp |= w83795_read(client, W83795_REG_VRLSB) >> 6; |
792d376b WS |
597 | data->in[i][IN_READ] = tmp; |
598 | } | |
599 | ||
0e256018 JD |
600 | /* in0-2 can have dynamic limits (W83795G only) */ |
601 | if (data->has_dyn_in) { | |
602 | u8 lsb_max = w83795_read(client, IN_LSB_REG(0, IN_MAX)); | |
603 | u8 lsb_low = w83795_read(client, IN_LSB_REG(0, IN_LOW)); | |
604 | ||
605 | for (i = 0; i < 3; i++) { | |
606 | if (!(data->has_dyn_in & (1 << i))) | |
607 | continue; | |
608 | data->in[i][IN_MAX] = | |
609 | w83795_read(client, W83795_REG_IN[i][IN_MAX]); | |
610 | data->in[i][IN_LOW] = | |
611 | w83795_read(client, W83795_REG_IN[i][IN_LOW]); | |
612 | data->in_lsb[i][IN_MAX] = (lsb_max >> (2 * i)) & 0x03; | |
613 | data->in_lsb[i][IN_LOW] = (lsb_low >> (2 * i)) & 0x03; | |
614 | } | |
615 | } | |
616 | ||
792d376b WS |
617 | /* Update fan */ |
618 | for (i = 0; i < ARRAY_SIZE(data->fan); i++) { | |
619 | if (!(data->has_fan & (1 << i))) | |
620 | continue; | |
621 | data->fan[i] = w83795_read(client, W83795_REG_FAN(i)) << 4; | |
eb02755a | 622 | data->fan[i] |= w83795_read(client, W83795_REG_VRLSB) >> 4; |
792d376b WS |
623 | } |
624 | ||
625 | /* Update temperature */ | |
626 | for (i = 0; i < ARRAY_SIZE(data->temp); i++) { | |
792d376b WS |
627 | data->temp[i][TEMP_READ] = |
628 | w83795_read(client, W83795_REG_TEMP[i][TEMP_READ]); | |
629 | data->temp_read_vrlsb[i] = | |
630 | w83795_read(client, W83795_REG_VRLSB); | |
631 | } | |
632 | ||
633 | /* Update dts temperature */ | |
eb02755a | 634 | if (data->enable_dts) { |
792d376b WS |
635 | for (i = 0; i < ARRAY_SIZE(data->dts); i++) { |
636 | if (!(data->has_dts & (1 << i))) | |
637 | continue; | |
638 | data->dts[i] = | |
639 | w83795_read(client, W83795_REG_DTS(i)); | |
640 | data->dts_read_vrlsb[i] = | |
641 | w83795_read(client, W83795_REG_VRLSB); | |
642 | } | |
643 | } | |
644 | ||
645 | /* Update pwm output */ | |
646 | for (i = 0; i < data->has_pwm; i++) { | |
647 | data->pwm[i][PWM_OUTPUT] = | |
648 | w83795_read(client, W83795_REG_PWM(i, PWM_OUTPUT)); | |
649 | } | |
650 | ||
651 | /* update alarm */ | |
cd316df5 | 652 | for (i = 0; i < ARRAY_SIZE(data->alarms); i++) |
792d376b WS |
653 | data->alarms[i] = w83795_read(client, W83795_REG_ALARM(i)); |
654 | ||
655 | data->last_updated = jiffies; | |
656 | data->valid = 1; | |
657 | ||
658 | END: | |
659 | mutex_unlock(&data->update_lock); | |
660 | return data; | |
661 | } | |
662 | ||
663 | /* | |
664 | * Sysfs attributes | |
665 | */ | |
666 | ||
667 | #define ALARM_STATUS 0 | |
668 | #define BEEP_ENABLE 1 | |
669 | static ssize_t | |
670 | show_alarm_beep(struct device *dev, struct device_attribute *attr, char *buf) | |
671 | { | |
672 | struct w83795_data *data = w83795_update_device(dev); | |
673 | struct sensor_device_attribute_2 *sensor_attr = | |
674 | to_sensor_dev_attr_2(attr); | |
675 | int nr = sensor_attr->nr; | |
676 | int index = sensor_attr->index >> 3; | |
677 | int bit = sensor_attr->index & 0x07; | |
678 | u8 val; | |
679 | ||
eb02755a JD |
680 | if (nr == ALARM_STATUS) |
681 | val = (data->alarms[index] >> bit) & 1; | |
682 | else /* BEEP_ENABLE */ | |
683 | val = (data->beeps[index] >> bit) & 1; | |
792d376b WS |
684 | |
685 | return sprintf(buf, "%u\n", val); | |
686 | } | |
687 | ||
688 | static ssize_t | |
689 | store_beep(struct device *dev, struct device_attribute *attr, | |
690 | const char *buf, size_t count) | |
691 | { | |
692 | struct i2c_client *client = to_i2c_client(dev); | |
693 | struct w83795_data *data = i2c_get_clientdata(client); | |
694 | struct sensor_device_attribute_2 *sensor_attr = | |
695 | to_sensor_dev_attr_2(attr); | |
696 | int index = sensor_attr->index >> 3; | |
697 | int shift = sensor_attr->index & 0x07; | |
698 | u8 beep_bit = 1 << shift; | |
699 | unsigned long val; | |
700 | ||
701 | if (strict_strtoul(buf, 10, &val) < 0) | |
702 | return -EINVAL; | |
703 | if (val != 0 && val != 1) | |
704 | return -EINVAL; | |
705 | ||
706 | mutex_lock(&data->update_lock); | |
707 | data->beeps[index] = w83795_read(client, W83795_REG_BEEP(index)); | |
708 | data->beeps[index] &= ~beep_bit; | |
709 | data->beeps[index] |= val << shift; | |
710 | w83795_write(client, W83795_REG_BEEP(index), data->beeps[index]); | |
711 | mutex_unlock(&data->update_lock); | |
712 | ||
713 | return count; | |
714 | } | |
715 | ||
24377101 | 716 | /* Write 0 to clear chassis alarm */ |
792d376b WS |
717 | static ssize_t |
718 | store_chassis_clear(struct device *dev, | |
719 | struct device_attribute *attr, const char *buf, | |
720 | size_t count) | |
721 | { | |
722 | struct i2c_client *client = to_i2c_client(dev); | |
723 | struct w83795_data *data = i2c_get_clientdata(client); | |
24377101 JD |
724 | unsigned long val; |
725 | ||
726 | if (strict_strtoul(buf, 10, &val) < 0 || val != 0) | |
727 | return -EINVAL; | |
792d376b WS |
728 | |
729 | mutex_lock(&data->update_lock); | |
730 | val = w83795_read(client, W83795_REG_CLR_CHASSIS); | |
731 | val |= 0x80; | |
732 | w83795_write(client, W83795_REG_CLR_CHASSIS, val); | |
733 | mutex_unlock(&data->update_lock); | |
734 | return count; | |
735 | } | |
736 | ||
737 | #define FAN_INPUT 0 | |
738 | #define FAN_MIN 1 | |
739 | static ssize_t | |
740 | show_fan(struct device *dev, struct device_attribute *attr, char *buf) | |
741 | { | |
742 | struct sensor_device_attribute_2 *sensor_attr = | |
743 | to_sensor_dev_attr_2(attr); | |
744 | int nr = sensor_attr->nr; | |
745 | int index = sensor_attr->index; | |
746 | struct w83795_data *data = w83795_update_device(dev); | |
747 | u16 val; | |
748 | ||
eb02755a | 749 | if (nr == FAN_INPUT) |
792d376b WS |
750 | val = data->fan[index] & 0x0fff; |
751 | else | |
752 | val = data->fan_min[index] & 0x0fff; | |
753 | ||
754 | return sprintf(buf, "%lu\n", fan_from_reg(val)); | |
755 | } | |
756 | ||
757 | static ssize_t | |
758 | store_fan_min(struct device *dev, struct device_attribute *attr, | |
759 | const char *buf, size_t count) | |
760 | { | |
761 | struct sensor_device_attribute_2 *sensor_attr = | |
762 | to_sensor_dev_attr_2(attr); | |
763 | int index = sensor_attr->index; | |
764 | struct i2c_client *client = to_i2c_client(dev); | |
765 | struct w83795_data *data = i2c_get_clientdata(client); | |
766 | unsigned long val; | |
767 | ||
768 | if (strict_strtoul(buf, 10, &val)) | |
769 | return -EINVAL; | |
770 | val = fan_to_reg(val); | |
771 | ||
772 | mutex_lock(&data->update_lock); | |
773 | data->fan_min[index] = val; | |
774 | w83795_write(client, W83795_REG_FAN_MIN_HL(index), (val >> 4) & 0xff); | |
775 | val &= 0x0f; | |
7eb8d508 | 776 | if (index & 1) { |
792d376b WS |
777 | val <<= 4; |
778 | val |= w83795_read(client, W83795_REG_FAN_MIN_LSB(index)) | |
779 | & 0x0f; | |
780 | } else { | |
781 | val |= w83795_read(client, W83795_REG_FAN_MIN_LSB(index)) | |
782 | & 0xf0; | |
783 | } | |
784 | w83795_write(client, W83795_REG_FAN_MIN_LSB(index), val & 0xff); | |
785 | mutex_unlock(&data->update_lock); | |
786 | ||
787 | return count; | |
788 | } | |
789 | ||
790 | static ssize_t | |
791 | show_pwm(struct device *dev, struct device_attribute *attr, char *buf) | |
792 | { | |
1bb3450c | 793 | struct w83795_data *data; |
792d376b WS |
794 | struct sensor_device_attribute_2 *sensor_attr = |
795 | to_sensor_dev_attr_2(attr); | |
796 | int nr = sensor_attr->nr; | |
797 | int index = sensor_attr->index; | |
01879a85 | 798 | unsigned int val; |
792d376b | 799 | |
1bb3450c JD |
800 | data = nr == PWM_OUTPUT ? w83795_update_device(dev) |
801 | : w83795_update_pwm_config(dev); | |
802 | ||
792d376b WS |
803 | switch (nr) { |
804 | case PWM_STOP_TIME: | |
805 | val = time_from_reg(data->pwm[index][nr]); | |
806 | break; | |
01879a85 JD |
807 | case PWM_FREQ: |
808 | val = pwm_freq_from_reg(data->pwm[index][nr], data->clkin); | |
792d376b WS |
809 | break; |
810 | default: | |
811 | val = data->pwm[index][nr]; | |
812 | break; | |
813 | } | |
814 | ||
815 | return sprintf(buf, "%u\n", val); | |
816 | } | |
817 | ||
818 | static ssize_t | |
819 | store_pwm(struct device *dev, struct device_attribute *attr, | |
820 | const char *buf, size_t count) | |
821 | { | |
822 | struct i2c_client *client = to_i2c_client(dev); | |
823 | struct w83795_data *data = i2c_get_clientdata(client); | |
824 | struct sensor_device_attribute_2 *sensor_attr = | |
825 | to_sensor_dev_attr_2(attr); | |
826 | int nr = sensor_attr->nr; | |
827 | int index = sensor_attr->index; | |
828 | unsigned long val; | |
792d376b WS |
829 | |
830 | if (strict_strtoul(buf, 10, &val) < 0) | |
831 | return -EINVAL; | |
832 | ||
833 | mutex_lock(&data->update_lock); | |
834 | switch (nr) { | |
835 | case PWM_STOP_TIME: | |
836 | val = time_to_reg(val); | |
837 | break; | |
01879a85 JD |
838 | case PWM_FREQ: |
839 | val = pwm_freq_to_reg(val, data->clkin); | |
792d376b WS |
840 | break; |
841 | default: | |
842 | val = SENSORS_LIMIT(val, 0, 0xff); | |
843 | break; | |
844 | } | |
845 | w83795_write(client, W83795_REG_PWM(index, nr), val); | |
01879a85 | 846 | data->pwm[index][nr] = val; |
792d376b WS |
847 | mutex_unlock(&data->update_lock); |
848 | return count; | |
792d376b WS |
849 | } |
850 | ||
851 | static ssize_t | |
852 | show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf) | |
853 | { | |
854 | struct sensor_device_attribute_2 *sensor_attr = | |
855 | to_sensor_dev_attr_2(attr); | |
1bb3450c | 856 | struct w83795_data *data = w83795_update_pwm_config(dev); |
792d376b WS |
857 | int index = sensor_attr->index; |
858 | u8 tmp; | |
859 | ||
ae51cd9b JD |
860 | /* Speed cruise mode */ |
861 | if (data->pwm_fcms[0] & (1 << index)) { | |
792d376b WS |
862 | tmp = 2; |
863 | goto out; | |
864 | } | |
ae51cd9b | 865 | /* Thermal cruise or SmartFan IV mode */ |
792d376b WS |
866 | for (tmp = 0; tmp < 6; tmp++) { |
867 | if (data->pwm_tfmr[tmp] & (1 << index)) { | |
868 | tmp = 3; | |
869 | goto out; | |
870 | } | |
871 | } | |
ae51cd9b JD |
872 | /* Manual mode */ |
873 | tmp = 1; | |
792d376b WS |
874 | |
875 | out: | |
876 | return sprintf(buf, "%u\n", tmp); | |
877 | } | |
878 | ||
879 | static ssize_t | |
880 | store_pwm_enable(struct device *dev, struct device_attribute *attr, | |
881 | const char *buf, size_t count) | |
882 | { | |
883 | struct i2c_client *client = to_i2c_client(dev); | |
1bb3450c | 884 | struct w83795_data *data = w83795_update_pwm_config(dev); |
792d376b WS |
885 | struct sensor_device_attribute_2 *sensor_attr = |
886 | to_sensor_dev_attr_2(attr); | |
887 | int index = sensor_attr->index; | |
888 | unsigned long val; | |
889 | int i; | |
890 | ||
891 | if (strict_strtoul(buf, 10, &val) < 0) | |
892 | return -EINVAL; | |
ae51cd9b | 893 | if (val < 1 || val > 2) |
792d376b WS |
894 | return -EINVAL; |
895 | ||
896 | mutex_lock(&data->update_lock); | |
897 | switch (val) { | |
792d376b | 898 | case 1: |
ae51cd9b | 899 | /* Clear speed cruise mode bits */ |
792d376b WS |
900 | data->pwm_fcms[0] &= ~(1 << index); |
901 | w83795_write(client, W83795_REG_FCMS1, data->pwm_fcms[0]); | |
ae51cd9b | 902 | /* Clear thermal cruise mode bits */ |
792d376b WS |
903 | for (i = 0; i < 6; i++) { |
904 | data->pwm_tfmr[i] &= ~(1 << index); | |
905 | w83795_write(client, W83795_REG_TFMR(i), | |
906 | data->pwm_tfmr[i]); | |
907 | } | |
792d376b WS |
908 | break; |
909 | case 2: | |
910 | data->pwm_fcms[0] |= (1 << index); | |
911 | w83795_write(client, W83795_REG_FCMS1, data->pwm_fcms[0]); | |
912 | break; | |
913 | } | |
914 | mutex_unlock(&data->update_lock); | |
915 | return count; | |
792d376b WS |
916 | } |
917 | ||
d5ab845a JD |
918 | static ssize_t |
919 | show_pwm_mode(struct device *dev, struct device_attribute *attr, char *buf) | |
920 | { | |
921 | struct w83795_data *data = w83795_update_pwm_config(dev); | |
922 | int index = to_sensor_dev_attr_2(attr)->index; | |
923 | unsigned int mode; | |
924 | ||
925 | if (data->pwm_fomc & (1 << index)) | |
926 | mode = 0; /* DC */ | |
927 | else | |
928 | mode = 1; /* PWM */ | |
929 | ||
930 | return sprintf(buf, "%u\n", mode); | |
931 | } | |
932 | ||
792d376b WS |
933 | static ssize_t |
934 | show_temp_src(struct device *dev, struct device_attribute *attr, char *buf) | |
935 | { | |
936 | struct sensor_device_attribute_2 *sensor_attr = | |
937 | to_sensor_dev_attr_2(attr); | |
1bb3450c | 938 | struct w83795_data *data = w83795_update_pwm_config(dev); |
792d376b WS |
939 | int index = sensor_attr->index; |
940 | u8 val = index / 2; | |
941 | u8 tmp = data->temp_src[val]; | |
942 | ||
7eb8d508 | 943 | if (index & 1) |
792d376b WS |
944 | val = 4; |
945 | else | |
946 | val = 0; | |
947 | tmp >>= val; | |
948 | tmp &= 0x0f; | |
949 | ||
950 | return sprintf(buf, "%u\n", tmp); | |
951 | } | |
952 | ||
953 | static ssize_t | |
954 | store_temp_src(struct device *dev, struct device_attribute *attr, | |
955 | const char *buf, size_t count) | |
956 | { | |
957 | struct i2c_client *client = to_i2c_client(dev); | |
1bb3450c | 958 | struct w83795_data *data = w83795_update_pwm_config(dev); |
792d376b WS |
959 | struct sensor_device_attribute_2 *sensor_attr = |
960 | to_sensor_dev_attr_2(attr); | |
961 | int index = sensor_attr->index; | |
962 | unsigned long tmp; | |
963 | u8 val = index / 2; | |
964 | ||
965 | if (strict_strtoul(buf, 10, &tmp) < 0) | |
966 | return -EINVAL; | |
967 | tmp = SENSORS_LIMIT(tmp, 0, 15); | |
968 | ||
969 | mutex_lock(&data->update_lock); | |
7eb8d508 | 970 | if (index & 1) { |
792d376b WS |
971 | tmp <<= 4; |
972 | data->temp_src[val] &= 0x0f; | |
973 | } else { | |
974 | data->temp_src[val] &= 0xf0; | |
975 | } | |
976 | data->temp_src[val] |= tmp; | |
977 | w83795_write(client, W83795_REG_TSS(val), data->temp_src[val]); | |
978 | mutex_unlock(&data->update_lock); | |
979 | ||
980 | return count; | |
981 | } | |
982 | ||
983 | #define TEMP_PWM_ENABLE 0 | |
984 | #define TEMP_PWM_FAN_MAP 1 | |
985 | static ssize_t | |
986 | show_temp_pwm_enable(struct device *dev, struct device_attribute *attr, | |
987 | char *buf) | |
988 | { | |
1bb3450c | 989 | struct w83795_data *data = w83795_update_pwm_config(dev); |
792d376b WS |
990 | struct sensor_device_attribute_2 *sensor_attr = |
991 | to_sensor_dev_attr_2(attr); | |
992 | int nr = sensor_attr->nr; | |
993 | int index = sensor_attr->index; | |
994 | u8 tmp = 0xff; | |
995 | ||
996 | switch (nr) { | |
997 | case TEMP_PWM_ENABLE: | |
998 | tmp = (data->pwm_fcms[1] >> index) & 1; | |
999 | if (tmp) | |
1000 | tmp = 4; | |
1001 | else | |
1002 | tmp = 3; | |
1003 | break; | |
1004 | case TEMP_PWM_FAN_MAP: | |
1005 | tmp = data->pwm_tfmr[index]; | |
1006 | break; | |
1007 | } | |
1008 | ||
1009 | return sprintf(buf, "%u\n", tmp); | |
1010 | } | |
1011 | ||
1012 | static ssize_t | |
1013 | store_temp_pwm_enable(struct device *dev, struct device_attribute *attr, | |
1014 | const char *buf, size_t count) | |
1015 | { | |
1016 | struct i2c_client *client = to_i2c_client(dev); | |
1bb3450c | 1017 | struct w83795_data *data = w83795_update_pwm_config(dev); |
792d376b WS |
1018 | struct sensor_device_attribute_2 *sensor_attr = |
1019 | to_sensor_dev_attr_2(attr); | |
1020 | int nr = sensor_attr->nr; | |
1021 | int index = sensor_attr->index; | |
1022 | unsigned long tmp; | |
1023 | ||
1024 | if (strict_strtoul(buf, 10, &tmp) < 0) | |
1025 | return -EINVAL; | |
1026 | ||
1027 | switch (nr) { | |
1028 | case TEMP_PWM_ENABLE: | |
eb02755a | 1029 | if (tmp != 3 && tmp != 4) |
792d376b WS |
1030 | return -EINVAL; |
1031 | tmp -= 3; | |
1032 | mutex_lock(&data->update_lock); | |
1033 | data->pwm_fcms[1] &= ~(1 << index); | |
1034 | data->pwm_fcms[1] |= tmp << index; | |
1035 | w83795_write(client, W83795_REG_FCMS2, data->pwm_fcms[1]); | |
1036 | mutex_unlock(&data->update_lock); | |
1037 | break; | |
1038 | case TEMP_PWM_FAN_MAP: | |
1039 | mutex_lock(&data->update_lock); | |
1040 | tmp = SENSORS_LIMIT(tmp, 0, 0xff); | |
1041 | w83795_write(client, W83795_REG_TFMR(index), tmp); | |
1042 | data->pwm_tfmr[index] = tmp; | |
1043 | mutex_unlock(&data->update_lock); | |
1044 | break; | |
1045 | } | |
1046 | return count; | |
1047 | } | |
1048 | ||
1049 | #define FANIN_TARGET 0 | |
1050 | #define FANIN_TOL 1 | |
1051 | static ssize_t | |
1052 | show_fanin(struct device *dev, struct device_attribute *attr, char *buf) | |
1053 | { | |
1bb3450c | 1054 | struct w83795_data *data = w83795_update_pwm_config(dev); |
792d376b WS |
1055 | struct sensor_device_attribute_2 *sensor_attr = |
1056 | to_sensor_dev_attr_2(attr); | |
1057 | int nr = sensor_attr->nr; | |
1058 | int index = sensor_attr->index; | |
1059 | u16 tmp = 0; | |
1060 | ||
1061 | switch (nr) { | |
1062 | case FANIN_TARGET: | |
1063 | tmp = fan_from_reg(data->target_speed[index]); | |
1064 | break; | |
1065 | case FANIN_TOL: | |
1066 | tmp = data->tol_speed; | |
1067 | break; | |
1068 | } | |
1069 | ||
1070 | return sprintf(buf, "%u\n", tmp); | |
1071 | } | |
1072 | ||
1073 | static ssize_t | |
1074 | store_fanin(struct device *dev, struct device_attribute *attr, | |
1075 | const char *buf, size_t count) | |
1076 | { | |
1077 | struct i2c_client *client = to_i2c_client(dev); | |
1078 | struct w83795_data *data = i2c_get_clientdata(client); | |
1079 | struct sensor_device_attribute_2 *sensor_attr = | |
1080 | to_sensor_dev_attr_2(attr); | |
1081 | int nr = sensor_attr->nr; | |
1082 | int index = sensor_attr->index; | |
1083 | unsigned long val; | |
1084 | ||
1085 | if (strict_strtoul(buf, 10, &val) < 0) | |
1086 | return -EINVAL; | |
1087 | ||
1088 | mutex_lock(&data->update_lock); | |
1089 | switch (nr) { | |
1090 | case FANIN_TARGET: | |
1091 | val = fan_to_reg(SENSORS_LIMIT(val, 0, 0xfff)); | |
eb02755a | 1092 | w83795_write(client, W83795_REG_FTSH(index), val >> 4); |
792d376b WS |
1093 | w83795_write(client, W83795_REG_FTSL(index), (val << 4) & 0xf0); |
1094 | data->target_speed[index] = val; | |
1095 | break; | |
1096 | case FANIN_TOL: | |
1097 | val = SENSORS_LIMIT(val, 0, 0x3f); | |
1098 | w83795_write(client, W83795_REG_TFTS, val); | |
1099 | data->tol_speed = val; | |
1100 | break; | |
1101 | } | |
1102 | mutex_unlock(&data->update_lock); | |
1103 | ||
1104 | return count; | |
1105 | } | |
1106 | ||
1107 | ||
1108 | static ssize_t | |
1109 | show_temp_pwm(struct device *dev, struct device_attribute *attr, char *buf) | |
1110 | { | |
1bb3450c | 1111 | struct w83795_data *data = w83795_update_pwm_config(dev); |
792d376b WS |
1112 | struct sensor_device_attribute_2 *sensor_attr = |
1113 | to_sensor_dev_attr_2(attr); | |
1114 | int nr = sensor_attr->nr; | |
1115 | int index = sensor_attr->index; | |
1116 | long tmp = temp_from_reg(data->pwm_temp[index][nr]); | |
1117 | ||
1118 | return sprintf(buf, "%ld\n", tmp); | |
1119 | } | |
1120 | ||
1121 | static ssize_t | |
1122 | store_temp_pwm(struct device *dev, struct device_attribute *attr, | |
1123 | const char *buf, size_t count) | |
1124 | { | |
1125 | struct i2c_client *client = to_i2c_client(dev); | |
1126 | struct w83795_data *data = i2c_get_clientdata(client); | |
1127 | struct sensor_device_attribute_2 *sensor_attr = | |
1128 | to_sensor_dev_attr_2(attr); | |
1129 | int nr = sensor_attr->nr; | |
1130 | int index = sensor_attr->index; | |
1131 | unsigned long val; | |
1132 | u8 tmp; | |
1133 | ||
1134 | if (strict_strtoul(buf, 10, &val) < 0) | |
1135 | return -EINVAL; | |
1136 | val /= 1000; | |
1137 | ||
1138 | mutex_lock(&data->update_lock); | |
1139 | switch (nr) { | |
1140 | case TEMP_PWM_TTTI: | |
1141 | val = SENSORS_LIMIT(val, 0, 0x7f); | |
1142 | w83795_write(client, W83795_REG_TTTI(index), val); | |
1143 | break; | |
1144 | case TEMP_PWM_CTFS: | |
1145 | val = SENSORS_LIMIT(val, 0, 0x7f); | |
1146 | w83795_write(client, W83795_REG_CTFS(index), val); | |
1147 | break; | |
1148 | case TEMP_PWM_HCT: | |
1149 | val = SENSORS_LIMIT(val, 0, 0x0f); | |
1150 | tmp = w83795_read(client, W83795_REG_HT(index)); | |
1151 | tmp &= 0x0f; | |
1152 | tmp |= (val << 4) & 0xf0; | |
1153 | w83795_write(client, W83795_REG_HT(index), tmp); | |
1154 | break; | |
1155 | case TEMP_PWM_HOT: | |
1156 | val = SENSORS_LIMIT(val, 0, 0x0f); | |
1157 | tmp = w83795_read(client, W83795_REG_HT(index)); | |
1158 | tmp &= 0xf0; | |
1159 | tmp |= val & 0x0f; | |
1160 | w83795_write(client, W83795_REG_HT(index), tmp); | |
1161 | break; | |
1162 | } | |
1163 | data->pwm_temp[index][nr] = val; | |
1164 | mutex_unlock(&data->update_lock); | |
1165 | ||
1166 | return count; | |
1167 | } | |
1168 | ||
1169 | static ssize_t | |
1170 | show_sf4_pwm(struct device *dev, struct device_attribute *attr, char *buf) | |
1171 | { | |
1bb3450c | 1172 | struct w83795_data *data = w83795_update_pwm_config(dev); |
792d376b WS |
1173 | struct sensor_device_attribute_2 *sensor_attr = |
1174 | to_sensor_dev_attr_2(attr); | |
1175 | int nr = sensor_attr->nr; | |
1176 | int index = sensor_attr->index; | |
1177 | ||
1178 | return sprintf(buf, "%u\n", data->sf4_reg[index][SF4_PWM][nr]); | |
1179 | } | |
1180 | ||
1181 | static ssize_t | |
1182 | store_sf4_pwm(struct device *dev, struct device_attribute *attr, | |
1183 | const char *buf, size_t count) | |
1184 | { | |
1185 | struct i2c_client *client = to_i2c_client(dev); | |
1186 | struct w83795_data *data = i2c_get_clientdata(client); | |
1187 | struct sensor_device_attribute_2 *sensor_attr = | |
1188 | to_sensor_dev_attr_2(attr); | |
1189 | int nr = sensor_attr->nr; | |
1190 | int index = sensor_attr->index; | |
1191 | unsigned long val; | |
1192 | ||
1193 | if (strict_strtoul(buf, 10, &val) < 0) | |
1194 | return -EINVAL; | |
1195 | ||
1196 | mutex_lock(&data->update_lock); | |
1197 | w83795_write(client, W83795_REG_SF4_PWM(index, nr), val); | |
1198 | data->sf4_reg[index][SF4_PWM][nr] = val; | |
1199 | mutex_unlock(&data->update_lock); | |
1200 | ||
1201 | return count; | |
1202 | } | |
1203 | ||
1204 | static ssize_t | |
1205 | show_sf4_temp(struct device *dev, struct device_attribute *attr, char *buf) | |
1206 | { | |
1bb3450c | 1207 | struct w83795_data *data = w83795_update_pwm_config(dev); |
792d376b WS |
1208 | struct sensor_device_attribute_2 *sensor_attr = |
1209 | to_sensor_dev_attr_2(attr); | |
1210 | int nr = sensor_attr->nr; | |
1211 | int index = sensor_attr->index; | |
1212 | ||
1213 | return sprintf(buf, "%u\n", | |
1214 | (data->sf4_reg[index][SF4_TEMP][nr]) * 1000); | |
1215 | } | |
1216 | ||
1217 | static ssize_t | |
1218 | store_sf4_temp(struct device *dev, struct device_attribute *attr, | |
1219 | const char *buf, size_t count) | |
1220 | { | |
1221 | struct i2c_client *client = to_i2c_client(dev); | |
1222 | struct w83795_data *data = i2c_get_clientdata(client); | |
1223 | struct sensor_device_attribute_2 *sensor_attr = | |
1224 | to_sensor_dev_attr_2(attr); | |
1225 | int nr = sensor_attr->nr; | |
1226 | int index = sensor_attr->index; | |
1227 | unsigned long val; | |
1228 | ||
1229 | if (strict_strtoul(buf, 10, &val) < 0) | |
1230 | return -EINVAL; | |
1231 | val /= 1000; | |
1232 | ||
1233 | mutex_lock(&data->update_lock); | |
1234 | w83795_write(client, W83795_REG_SF4_TEMP(index, nr), val); | |
1235 | data->sf4_reg[index][SF4_TEMP][nr] = val; | |
1236 | mutex_unlock(&data->update_lock); | |
1237 | ||
1238 | return count; | |
1239 | } | |
1240 | ||
1241 | ||
1242 | static ssize_t | |
1243 | show_temp(struct device *dev, struct device_attribute *attr, char *buf) | |
1244 | { | |
1245 | struct sensor_device_attribute_2 *sensor_attr = | |
1246 | to_sensor_dev_attr_2(attr); | |
1247 | int nr = sensor_attr->nr; | |
1248 | int index = sensor_attr->index; | |
1249 | struct w83795_data *data = w83795_update_device(dev); | |
dd127f5c | 1250 | long temp = temp_from_reg(data->temp[index][nr]); |
792d376b | 1251 | |
eb02755a | 1252 | if (nr == TEMP_READ) |
a654b9d4 | 1253 | temp += (data->temp_read_vrlsb[index] >> 6) * 250; |
792d376b WS |
1254 | return sprintf(buf, "%ld\n", temp); |
1255 | } | |
1256 | ||
1257 | static ssize_t | |
1258 | store_temp(struct device *dev, struct device_attribute *attr, | |
1259 | const char *buf, size_t count) | |
1260 | { | |
1261 | struct sensor_device_attribute_2 *sensor_attr = | |
1262 | to_sensor_dev_attr_2(attr); | |
1263 | int nr = sensor_attr->nr; | |
1264 | int index = sensor_attr->index; | |
1265 | struct i2c_client *client = to_i2c_client(dev); | |
1266 | struct w83795_data *data = i2c_get_clientdata(client); | |
1267 | long tmp; | |
1268 | ||
1269 | if (strict_strtol(buf, 10, &tmp) < 0) | |
1270 | return -EINVAL; | |
1271 | ||
1272 | mutex_lock(&data->update_lock); | |
1273 | data->temp[index][nr] = temp_to_reg(tmp, -128, 127); | |
1274 | w83795_write(client, W83795_REG_TEMP[index][nr], data->temp[index][nr]); | |
1275 | mutex_unlock(&data->update_lock); | |
1276 | return count; | |
1277 | } | |
1278 | ||
1279 | ||
1280 | static ssize_t | |
1281 | show_dts_mode(struct device *dev, struct device_attribute *attr, char *buf) | |
1282 | { | |
21fc9775 | 1283 | struct w83795_data *data = dev_get_drvdata(dev); |
39deb699 | 1284 | int tmp; |
792d376b | 1285 | |
39deb699 JD |
1286 | if (data->enable_dts & 2) |
1287 | tmp = 5; | |
1288 | else | |
1289 | tmp = 6; | |
792d376b WS |
1290 | |
1291 | return sprintf(buf, "%d\n", tmp); | |
1292 | } | |
1293 | ||
1294 | static ssize_t | |
1295 | show_dts(struct device *dev, struct device_attribute *attr, char *buf) | |
1296 | { | |
1297 | struct sensor_device_attribute_2 *sensor_attr = | |
1298 | to_sensor_dev_attr_2(attr); | |
1299 | int index = sensor_attr->index; | |
1300 | struct w83795_data *data = w83795_update_device(dev); | |
dd127f5c | 1301 | long temp = temp_from_reg(data->dts[index]); |
792d376b | 1302 | |
a654b9d4 | 1303 | temp += (data->dts_read_vrlsb[index] >> 6) * 250; |
792d376b WS |
1304 | return sprintf(buf, "%ld\n", temp); |
1305 | } | |
1306 | ||
1307 | static ssize_t | |
1308 | show_dts_ext(struct device *dev, struct device_attribute *attr, char *buf) | |
1309 | { | |
1310 | struct sensor_device_attribute_2 *sensor_attr = | |
1311 | to_sensor_dev_attr_2(attr); | |
1312 | int nr = sensor_attr->nr; | |
21fc9775 | 1313 | struct w83795_data *data = dev_get_drvdata(dev); |
dd127f5c | 1314 | long temp = temp_from_reg(data->dts_ext[nr]); |
792d376b | 1315 | |
792d376b WS |
1316 | return sprintf(buf, "%ld\n", temp); |
1317 | } | |
1318 | ||
1319 | static ssize_t | |
1320 | store_dts_ext(struct device *dev, struct device_attribute *attr, | |
1321 | const char *buf, size_t count) | |
1322 | { | |
1323 | struct sensor_device_attribute_2 *sensor_attr = | |
1324 | to_sensor_dev_attr_2(attr); | |
1325 | int nr = sensor_attr->nr; | |
1326 | struct i2c_client *client = to_i2c_client(dev); | |
1327 | struct w83795_data *data = i2c_get_clientdata(client); | |
1328 | long tmp; | |
1329 | ||
1330 | if (strict_strtol(buf, 10, &tmp) < 0) | |
1331 | return -EINVAL; | |
1332 | ||
1333 | mutex_lock(&data->update_lock); | |
1334 | data->dts_ext[nr] = temp_to_reg(tmp, -128, 127); | |
1335 | w83795_write(client, W83795_REG_DTS_EXT(nr), data->dts_ext[nr]); | |
1336 | mutex_unlock(&data->update_lock); | |
1337 | return count; | |
1338 | } | |
1339 | ||
1340 | ||
792d376b WS |
1341 | static ssize_t |
1342 | show_temp_mode(struct device *dev, struct device_attribute *attr, char *buf) | |
1343 | { | |
21fc9775 | 1344 | struct w83795_data *data = dev_get_drvdata(dev); |
792d376b WS |
1345 | struct sensor_device_attribute_2 *sensor_attr = |
1346 | to_sensor_dev_attr_2(attr); | |
1347 | int index = sensor_attr->index; | |
39deb699 | 1348 | int tmp; |
792d376b | 1349 | |
39deb699 JD |
1350 | if (data->temp_mode & (1 << index)) |
1351 | tmp = 3; /* Thermal diode */ | |
1352 | else | |
1353 | tmp = 4; /* Thermistor */ | |
792d376b WS |
1354 | |
1355 | return sprintf(buf, "%d\n", tmp); | |
1356 | } | |
1357 | ||
39deb699 | 1358 | /* Only for temp1-4 (temp5-6 can only be thermistor) */ |
792d376b WS |
1359 | static ssize_t |
1360 | store_temp_mode(struct device *dev, struct device_attribute *attr, | |
1361 | const char *buf, size_t count) | |
1362 | { | |
1363 | struct i2c_client *client = to_i2c_client(dev); | |
1364 | struct w83795_data *data = i2c_get_clientdata(client); | |
1365 | struct sensor_device_attribute_2 *sensor_attr = | |
1366 | to_sensor_dev_attr_2(attr); | |
1367 | int index = sensor_attr->index; | |
39deb699 | 1368 | int reg_shift; |
792d376b WS |
1369 | unsigned long val; |
1370 | u8 tmp; | |
792d376b WS |
1371 | |
1372 | if (strict_strtoul(buf, 10, &val) < 0) | |
1373 | return -EINVAL; | |
1374 | if ((val != 4) && (val != 3)) | |
1375 | return -EINVAL; | |
792d376b WS |
1376 | |
1377 | mutex_lock(&data->update_lock); | |
1378 | if (val == 3) { | |
39deb699 JD |
1379 | /* Thermal diode */ |
1380 | val = 0x01; | |
792d376b WS |
1381 | data->temp_mode |= 1 << index; |
1382 | } else if (val == 4) { | |
39deb699 JD |
1383 | /* Thermistor */ |
1384 | val = 0x03; | |
1385 | data->temp_mode &= ~(1 << index); | |
792d376b WS |
1386 | } |
1387 | ||
39deb699 JD |
1388 | reg_shift = 2 * index; |
1389 | tmp = w83795_read(client, W83795_REG_TEMP_CTRL2); | |
1390 | tmp &= ~(0x03 << reg_shift); | |
1391 | tmp |= val << reg_shift; | |
1392 | w83795_write(client, W83795_REG_TEMP_CTRL2, tmp); | |
792d376b WS |
1393 | |
1394 | mutex_unlock(&data->update_lock); | |
1395 | return count; | |
1396 | } | |
1397 | ||
1398 | ||
1399 | /* show/store VIN */ | |
1400 | static ssize_t | |
1401 | show_in(struct device *dev, struct device_attribute *attr, char *buf) | |
1402 | { | |
1403 | struct sensor_device_attribute_2 *sensor_attr = | |
1404 | to_sensor_dev_attr_2(attr); | |
1405 | int nr = sensor_attr->nr; | |
1406 | int index = sensor_attr->index; | |
1407 | struct w83795_data *data = w83795_update_device(dev); | |
1408 | u16 val = data->in[index][nr]; | |
1409 | u8 lsb_idx; | |
1410 | ||
1411 | switch (nr) { | |
1412 | case IN_READ: | |
1413 | /* calculate this value again by sensors as sensors3.conf */ | |
1414 | if ((index >= 17) && | |
6f9dfd85 | 1415 | !((data->has_gain >> (index - 17)) & 1)) |
792d376b WS |
1416 | val *= 8; |
1417 | break; | |
1418 | case IN_MAX: | |
1419 | case IN_LOW: | |
1420 | lsb_idx = IN_LSB_SHIFT_IDX[index][IN_LSB_IDX]; | |
1421 | val <<= 2; | |
1422 | val |= (data->in_lsb[lsb_idx][nr] >> | |
5d2cd958 | 1423 | IN_LSB_SHIFT_IDX[index][IN_LSB_SHIFT]) & 0x03; |
792d376b | 1424 | if ((index >= 17) && |
6f9dfd85 | 1425 | !((data->has_gain >> (index - 17)) & 1)) |
792d376b WS |
1426 | val *= 8; |
1427 | break; | |
1428 | } | |
1429 | val = in_from_reg(index, val); | |
1430 | ||
1431 | return sprintf(buf, "%d\n", val); | |
1432 | } | |
1433 | ||
1434 | static ssize_t | |
1435 | store_in(struct device *dev, struct device_attribute *attr, | |
1436 | const char *buf, size_t count) | |
1437 | { | |
1438 | struct sensor_device_attribute_2 *sensor_attr = | |
1439 | to_sensor_dev_attr_2(attr); | |
1440 | int nr = sensor_attr->nr; | |
1441 | int index = sensor_attr->index; | |
1442 | struct i2c_client *client = to_i2c_client(dev); | |
1443 | struct w83795_data *data = i2c_get_clientdata(client); | |
1444 | unsigned long val; | |
1445 | u8 tmp; | |
1446 | u8 lsb_idx; | |
1447 | ||
1448 | if (strict_strtoul(buf, 10, &val) < 0) | |
1449 | return -EINVAL; | |
1450 | val = in_to_reg(index, val); | |
1451 | ||
1452 | if ((index >= 17) && | |
6f9dfd85 | 1453 | !((data->has_gain >> (index - 17)) & 1)) |
792d376b WS |
1454 | val /= 8; |
1455 | val = SENSORS_LIMIT(val, 0, 0x3FF); | |
1456 | mutex_lock(&data->update_lock); | |
1457 | ||
1458 | lsb_idx = IN_LSB_SHIFT_IDX[index][IN_LSB_IDX]; | |
1459 | tmp = w83795_read(client, IN_LSB_REG(lsb_idx, nr)); | |
1460 | tmp &= ~(0x03 << IN_LSB_SHIFT_IDX[index][IN_LSB_SHIFT]); | |
1461 | tmp |= (val & 0x03) << IN_LSB_SHIFT_IDX[index][IN_LSB_SHIFT]; | |
1462 | w83795_write(client, IN_LSB_REG(lsb_idx, nr), tmp); | |
1463 | data->in_lsb[lsb_idx][nr] = tmp; | |
1464 | ||
1465 | tmp = (val >> 2) & 0xff; | |
1466 | w83795_write(client, W83795_REG_IN[index][nr], tmp); | |
1467 | data->in[index][nr] = tmp; | |
1468 | ||
1469 | mutex_unlock(&data->update_lock); | |
1470 | return count; | |
1471 | } | |
1472 | ||
1473 | ||
00030af2 | 1474 | #ifdef CONFIG_SENSORS_W83795_FANCTRL |
792d376b WS |
1475 | static ssize_t |
1476 | show_sf_setup(struct device *dev, struct device_attribute *attr, char *buf) | |
1477 | { | |
1478 | struct sensor_device_attribute_2 *sensor_attr = | |
1479 | to_sensor_dev_attr_2(attr); | |
1480 | int nr = sensor_attr->nr; | |
1bb3450c | 1481 | struct w83795_data *data = w83795_update_pwm_config(dev); |
792d376b WS |
1482 | u16 val = data->setup_pwm[nr]; |
1483 | ||
1484 | switch (nr) { | |
1485 | case SETUP_PWM_UPTIME: | |
1486 | case SETUP_PWM_DOWNTIME: | |
1487 | val = time_from_reg(val); | |
1488 | break; | |
1489 | } | |
1490 | ||
1491 | return sprintf(buf, "%d\n", val); | |
1492 | } | |
1493 | ||
1494 | static ssize_t | |
1495 | store_sf_setup(struct device *dev, struct device_attribute *attr, | |
1496 | const char *buf, size_t count) | |
1497 | { | |
1498 | struct sensor_device_attribute_2 *sensor_attr = | |
1499 | to_sensor_dev_attr_2(attr); | |
1500 | int nr = sensor_attr->nr; | |
1501 | struct i2c_client *client = to_i2c_client(dev); | |
1502 | struct w83795_data *data = i2c_get_clientdata(client); | |
1503 | unsigned long val; | |
1504 | ||
1505 | if (strict_strtoul(buf, 10, &val) < 0) | |
1506 | return -EINVAL; | |
1507 | ||
1508 | switch (nr) { | |
1509 | case SETUP_PWM_DEFAULT: | |
1510 | val = SENSORS_LIMIT(val, 0, 0xff); | |
1511 | break; | |
1512 | case SETUP_PWM_UPTIME: | |
1513 | case SETUP_PWM_DOWNTIME: | |
1514 | val = time_to_reg(val); | |
1515 | if (val == 0) | |
1516 | return -EINVAL; | |
1517 | break; | |
1518 | } | |
1519 | ||
1520 | mutex_lock(&data->update_lock); | |
1521 | data->setup_pwm[nr] = val; | |
1522 | w83795_write(client, W83795_REG_SETUP_PWM(nr), val); | |
1523 | mutex_unlock(&data->update_lock); | |
1524 | return count; | |
1525 | } | |
00030af2 | 1526 | #endif |
792d376b WS |
1527 | |
1528 | ||
1529 | #define NOT_USED -1 | |
1530 | ||
0e256018 JD |
1531 | /* Don't change the attribute order, _max and _min are accessed by index |
1532 | * somewhere else in the code */ | |
87df0dad | 1533 | #define SENSOR_ATTR_IN(index) { \ |
792d376b WS |
1534 | SENSOR_ATTR_2(in##index##_input, S_IRUGO, show_in, NULL, \ |
1535 | IN_READ, index), \ | |
1536 | SENSOR_ATTR_2(in##index##_max, S_IRUGO | S_IWUSR, show_in, \ | |
1537 | store_in, IN_MAX, index), \ | |
1538 | SENSOR_ATTR_2(in##index##_min, S_IRUGO | S_IWUSR, show_in, \ | |
1539 | store_in, IN_LOW, index), \ | |
1540 | SENSOR_ATTR_2(in##index##_alarm, S_IRUGO, show_alarm_beep, \ | |
1541 | NULL, ALARM_STATUS, index + ((index > 14) ? 1 : 0)), \ | |
1542 | SENSOR_ATTR_2(in##index##_beep, S_IWUSR | S_IRUGO, \ | |
1543 | show_alarm_beep, store_beep, BEEP_ENABLE, \ | |
87df0dad | 1544 | index + ((index > 14) ? 1 : 0)) } |
792d376b | 1545 | |
87df0dad | 1546 | #define SENSOR_ATTR_FAN(index) { \ |
792d376b WS |
1547 | SENSOR_ATTR_2(fan##index##_input, S_IRUGO, show_fan, \ |
1548 | NULL, FAN_INPUT, index - 1), \ | |
1549 | SENSOR_ATTR_2(fan##index##_min, S_IWUSR | S_IRUGO, \ | |
1550 | show_fan, store_fan_min, FAN_MIN, index - 1), \ | |
1551 | SENSOR_ATTR_2(fan##index##_alarm, S_IRUGO, show_alarm_beep, \ | |
1552 | NULL, ALARM_STATUS, index + 31), \ | |
1553 | SENSOR_ATTR_2(fan##index##_beep, S_IWUSR | S_IRUGO, \ | |
87df0dad | 1554 | show_alarm_beep, store_beep, BEEP_ENABLE, index + 31) } |
792d376b | 1555 | |
b5f6a90a | 1556 | #define SENSOR_ATTR_PWM(index) { \ |
792d376b WS |
1557 | SENSOR_ATTR_2(pwm##index, S_IWUSR | S_IRUGO, show_pwm, \ |
1558 | store_pwm, PWM_OUTPUT, index - 1), \ | |
1559 | SENSOR_ATTR_2(pwm##index##_nonstop, S_IWUSR | S_IRUGO, \ | |
1560 | show_pwm, store_pwm, PWM_NONSTOP, index - 1), \ | |
1561 | SENSOR_ATTR_2(pwm##index##_start, S_IWUSR | S_IRUGO, \ | |
1562 | show_pwm, store_pwm, PWM_START, index - 1), \ | |
1563 | SENSOR_ATTR_2(pwm##index##_stop_time, S_IWUSR | S_IRUGO, \ | |
1564 | show_pwm, store_pwm, PWM_STOP_TIME, index - 1), \ | |
01879a85 JD |
1565 | SENSOR_ATTR_2(pwm##index##_freq, S_IWUSR | S_IRUGO, \ |
1566 | show_pwm, store_pwm, PWM_FREQ, index - 1), \ | |
792d376b | 1567 | SENSOR_ATTR_2(pwm##index##_enable, S_IWUSR | S_IRUGO, \ |
b2cc528e | 1568 | show_pwm_enable, store_pwm_enable, NOT_USED, index - 1), \ |
d5ab845a JD |
1569 | SENSOR_ATTR_2(pwm##index##_mode, S_IRUGO, \ |
1570 | show_pwm_mode, NULL, NOT_USED, index - 1), \ | |
b2cc528e JD |
1571 | SENSOR_ATTR_2(fan##index##_target, S_IWUSR | S_IRUGO, \ |
1572 | show_fanin, store_fanin, FANIN_TARGET, index - 1) } | |
792d376b | 1573 | |
87df0dad | 1574 | #define SENSOR_ATTR_DTS(index) { \ |
792d376b WS |
1575 | SENSOR_ATTR_2(temp##index##_type, S_IRUGO , \ |
1576 | show_dts_mode, NULL, NOT_USED, index - 7), \ | |
1577 | SENSOR_ATTR_2(temp##index##_input, S_IRUGO, show_dts, \ | |
1578 | NULL, NOT_USED, index - 7), \ | |
a0ce402f | 1579 | SENSOR_ATTR_2(temp##index##_crit, S_IRUGO | S_IWUSR, show_dts_ext, \ |
792d376b | 1580 | store_dts_ext, DTS_CRIT, NOT_USED), \ |
a0ce402f | 1581 | SENSOR_ATTR_2(temp##index##_crit_hyst, S_IRUGO | S_IWUSR, \ |
792d376b | 1582 | show_dts_ext, store_dts_ext, DTS_CRIT_HYST, NOT_USED), \ |
a0ce402f | 1583 | SENSOR_ATTR_2(temp##index##_max, S_IRUGO | S_IWUSR, show_dts_ext, \ |
792d376b | 1584 | store_dts_ext, DTS_WARN, NOT_USED), \ |
a0ce402f | 1585 | SENSOR_ATTR_2(temp##index##_max_hyst, S_IRUGO | S_IWUSR, \ |
792d376b WS |
1586 | show_dts_ext, store_dts_ext, DTS_WARN_HYST, NOT_USED), \ |
1587 | SENSOR_ATTR_2(temp##index##_alarm, S_IRUGO, \ | |
1588 | show_alarm_beep, NULL, ALARM_STATUS, index + 17), \ | |
1589 | SENSOR_ATTR_2(temp##index##_beep, S_IWUSR | S_IRUGO, \ | |
87df0dad | 1590 | show_alarm_beep, store_beep, BEEP_ENABLE, index + 17) } |
792d376b | 1591 | |
87df0dad | 1592 | #define SENSOR_ATTR_TEMP(index) { \ |
39deb699 | 1593 | SENSOR_ATTR_2(temp##index##_type, S_IRUGO | (index < 4 ? S_IWUSR : 0), \ |
792d376b WS |
1594 | show_temp_mode, store_temp_mode, NOT_USED, index - 1), \ |
1595 | SENSOR_ATTR_2(temp##index##_input, S_IRUGO, show_temp, \ | |
1596 | NULL, TEMP_READ, index - 1), \ | |
a0ce402f | 1597 | SENSOR_ATTR_2(temp##index##_crit, S_IRUGO | S_IWUSR, show_temp, \ |
792d376b | 1598 | store_temp, TEMP_CRIT, index - 1), \ |
a0ce402f | 1599 | SENSOR_ATTR_2(temp##index##_crit_hyst, S_IRUGO | S_IWUSR, \ |
792d376b | 1600 | show_temp, store_temp, TEMP_CRIT_HYST, index - 1), \ |
a0ce402f | 1601 | SENSOR_ATTR_2(temp##index##_max, S_IRUGO | S_IWUSR, show_temp, \ |
792d376b | 1602 | store_temp, TEMP_WARN, index - 1), \ |
a0ce402f | 1603 | SENSOR_ATTR_2(temp##index##_max_hyst, S_IRUGO | S_IWUSR, \ |
792d376b WS |
1604 | show_temp, store_temp, TEMP_WARN_HYST, index - 1), \ |
1605 | SENSOR_ATTR_2(temp##index##_alarm, S_IRUGO, \ | |
1606 | show_alarm_beep, NULL, ALARM_STATUS, \ | |
1607 | index + (index > 4 ? 11 : 17)), \ | |
1608 | SENSOR_ATTR_2(temp##index##_beep, S_IWUSR | S_IRUGO, \ | |
1609 | show_alarm_beep, store_beep, BEEP_ENABLE, \ | |
1610 | index + (index > 4 ? 11 : 17)), \ | |
1611 | SENSOR_ATTR_2(temp##index##_source_sel, S_IWUSR | S_IRUGO, \ | |
1612 | show_temp_src, store_temp_src, NOT_USED, index - 1), \ | |
1613 | SENSOR_ATTR_2(temp##index##_pwm_enable, S_IWUSR | S_IRUGO, \ | |
1614 | show_temp_pwm_enable, store_temp_pwm_enable, \ | |
1615 | TEMP_PWM_ENABLE, index - 1), \ | |
1616 | SENSOR_ATTR_2(temp##index##_auto_channels_pwm, S_IWUSR | S_IRUGO, \ | |
1617 | show_temp_pwm_enable, store_temp_pwm_enable, \ | |
1618 | TEMP_PWM_FAN_MAP, index - 1), \ | |
1619 | SENSOR_ATTR_2(thermal_cruise##index, S_IWUSR | S_IRUGO, \ | |
1620 | show_temp_pwm, store_temp_pwm, TEMP_PWM_TTTI, index - 1), \ | |
a0ce402f | 1621 | SENSOR_ATTR_2(temp##index##_warn, S_IWUSR | S_IRUGO, \ |
792d376b | 1622 | show_temp_pwm, store_temp_pwm, TEMP_PWM_CTFS, index - 1), \ |
a0ce402f | 1623 | SENSOR_ATTR_2(temp##index##_warn_hyst, S_IWUSR | S_IRUGO, \ |
792d376b WS |
1624 | show_temp_pwm, store_temp_pwm, TEMP_PWM_HCT, index - 1), \ |
1625 | SENSOR_ATTR_2(temp##index##_operation_hyst, S_IWUSR | S_IRUGO, \ | |
1626 | show_temp_pwm, store_temp_pwm, TEMP_PWM_HOT, index - 1), \ | |
1627 | SENSOR_ATTR_2(temp##index##_auto_point1_pwm, S_IRUGO | S_IWUSR, \ | |
1628 | show_sf4_pwm, store_sf4_pwm, 0, index - 1), \ | |
1629 | SENSOR_ATTR_2(temp##index##_auto_point2_pwm, S_IRUGO | S_IWUSR, \ | |
1630 | show_sf4_pwm, store_sf4_pwm, 1, index - 1), \ | |
1631 | SENSOR_ATTR_2(temp##index##_auto_point3_pwm, S_IRUGO | S_IWUSR, \ | |
1632 | show_sf4_pwm, store_sf4_pwm, 2, index - 1), \ | |
1633 | SENSOR_ATTR_2(temp##index##_auto_point4_pwm, S_IRUGO | S_IWUSR, \ | |
1634 | show_sf4_pwm, store_sf4_pwm, 3, index - 1), \ | |
1635 | SENSOR_ATTR_2(temp##index##_auto_point5_pwm, S_IRUGO | S_IWUSR, \ | |
1636 | show_sf4_pwm, store_sf4_pwm, 4, index - 1), \ | |
1637 | SENSOR_ATTR_2(temp##index##_auto_point6_pwm, S_IRUGO | S_IWUSR, \ | |
1638 | show_sf4_pwm, store_sf4_pwm, 5, index - 1), \ | |
1639 | SENSOR_ATTR_2(temp##index##_auto_point7_pwm, S_IRUGO | S_IWUSR, \ | |
1640 | show_sf4_pwm, store_sf4_pwm, 6, index - 1), \ | |
1641 | SENSOR_ATTR_2(temp##index##_auto_point1_temp, S_IRUGO | S_IWUSR,\ | |
1642 | show_sf4_temp, store_sf4_temp, 0, index - 1), \ | |
1643 | SENSOR_ATTR_2(temp##index##_auto_point2_temp, S_IRUGO | S_IWUSR,\ | |
1644 | show_sf4_temp, store_sf4_temp, 1, index - 1), \ | |
1645 | SENSOR_ATTR_2(temp##index##_auto_point3_temp, S_IRUGO | S_IWUSR,\ | |
1646 | show_sf4_temp, store_sf4_temp, 2, index - 1), \ | |
1647 | SENSOR_ATTR_2(temp##index##_auto_point4_temp, S_IRUGO | S_IWUSR,\ | |
1648 | show_sf4_temp, store_sf4_temp, 3, index - 1), \ | |
1649 | SENSOR_ATTR_2(temp##index##_auto_point5_temp, S_IRUGO | S_IWUSR,\ | |
1650 | show_sf4_temp, store_sf4_temp, 4, index - 1), \ | |
1651 | SENSOR_ATTR_2(temp##index##_auto_point6_temp, S_IRUGO | S_IWUSR,\ | |
1652 | show_sf4_temp, store_sf4_temp, 5, index - 1), \ | |
1653 | SENSOR_ATTR_2(temp##index##_auto_point7_temp, S_IRUGO | S_IWUSR,\ | |
87df0dad | 1654 | show_sf4_temp, store_sf4_temp, 6, index - 1) } |
792d376b WS |
1655 | |
1656 | ||
87df0dad | 1657 | static struct sensor_device_attribute_2 w83795_in[][5] = { |
792d376b WS |
1658 | SENSOR_ATTR_IN(0), |
1659 | SENSOR_ATTR_IN(1), | |
1660 | SENSOR_ATTR_IN(2), | |
1661 | SENSOR_ATTR_IN(3), | |
1662 | SENSOR_ATTR_IN(4), | |
1663 | SENSOR_ATTR_IN(5), | |
1664 | SENSOR_ATTR_IN(6), | |
1665 | SENSOR_ATTR_IN(7), | |
1666 | SENSOR_ATTR_IN(8), | |
1667 | SENSOR_ATTR_IN(9), | |
1668 | SENSOR_ATTR_IN(10), | |
1669 | SENSOR_ATTR_IN(11), | |
1670 | SENSOR_ATTR_IN(12), | |
1671 | SENSOR_ATTR_IN(13), | |
1672 | SENSOR_ATTR_IN(14), | |
1673 | SENSOR_ATTR_IN(15), | |
1674 | SENSOR_ATTR_IN(16), | |
1675 | SENSOR_ATTR_IN(17), | |
1676 | SENSOR_ATTR_IN(18), | |
1677 | SENSOR_ATTR_IN(19), | |
1678 | SENSOR_ATTR_IN(20), | |
1679 | }; | |
1680 | ||
86ef4d2f | 1681 | static const struct sensor_device_attribute_2 w83795_fan[][4] = { |
792d376b WS |
1682 | SENSOR_ATTR_FAN(1), |
1683 | SENSOR_ATTR_FAN(2), | |
1684 | SENSOR_ATTR_FAN(3), | |
1685 | SENSOR_ATTR_FAN(4), | |
1686 | SENSOR_ATTR_FAN(5), | |
1687 | SENSOR_ATTR_FAN(6), | |
1688 | SENSOR_ATTR_FAN(7), | |
1689 | SENSOR_ATTR_FAN(8), | |
1690 | SENSOR_ATTR_FAN(9), | |
1691 | SENSOR_ATTR_FAN(10), | |
1692 | SENSOR_ATTR_FAN(11), | |
1693 | SENSOR_ATTR_FAN(12), | |
1694 | SENSOR_ATTR_FAN(13), | |
1695 | SENSOR_ATTR_FAN(14), | |
1696 | }; | |
1697 | ||
86ef4d2f | 1698 | static const struct sensor_device_attribute_2 w83795_temp[][29] = { |
792d376b WS |
1699 | SENSOR_ATTR_TEMP(1), |
1700 | SENSOR_ATTR_TEMP(2), | |
1701 | SENSOR_ATTR_TEMP(3), | |
1702 | SENSOR_ATTR_TEMP(4), | |
1703 | SENSOR_ATTR_TEMP(5), | |
1704 | SENSOR_ATTR_TEMP(6), | |
1705 | }; | |
1706 | ||
86ef4d2f | 1707 | static const struct sensor_device_attribute_2 w83795_dts[][8] = { |
792d376b WS |
1708 | SENSOR_ATTR_DTS(7), |
1709 | SENSOR_ATTR_DTS(8), | |
1710 | SENSOR_ATTR_DTS(9), | |
1711 | SENSOR_ATTR_DTS(10), | |
1712 | SENSOR_ATTR_DTS(11), | |
1713 | SENSOR_ATTR_DTS(12), | |
1714 | SENSOR_ATTR_DTS(13), | |
1715 | SENSOR_ATTR_DTS(14), | |
1716 | }; | |
1717 | ||
d5ab845a | 1718 | static const struct sensor_device_attribute_2 w83795_pwm[][8] = { |
b5f6a90a JD |
1719 | SENSOR_ATTR_PWM(1), |
1720 | SENSOR_ATTR_PWM(2), | |
792d376b WS |
1721 | SENSOR_ATTR_PWM(3), |
1722 | SENSOR_ATTR_PWM(4), | |
1723 | SENSOR_ATTR_PWM(5), | |
1724 | SENSOR_ATTR_PWM(6), | |
1725 | SENSOR_ATTR_PWM(7), | |
1726 | SENSOR_ATTR_PWM(8), | |
1727 | }; | |
1728 | ||
86ef4d2f | 1729 | static const struct sensor_device_attribute_2 sda_single_files[] = { |
24377101 | 1730 | SENSOR_ATTR_2(intrusion0_alarm, S_IWUSR | S_IRUGO, show_alarm_beep, |
792d376b | 1731 | store_chassis_clear, ALARM_STATUS, 46), |
24377101 JD |
1732 | SENSOR_ATTR_2(intrusion0_beep, S_IWUSR | S_IRUGO, show_alarm_beep, |
1733 | store_beep, BEEP_ENABLE, 46), | |
02728ffe JD |
1734 | SENSOR_ATTR_2(beep_enable, S_IWUSR | S_IRUGO, show_alarm_beep, |
1735 | store_beep, BEEP_ENABLE, 47), | |
00030af2 | 1736 | #ifdef CONFIG_SENSORS_W83795_FANCTRL |
792d376b WS |
1737 | SENSOR_ATTR_2(speed_cruise_tolerance, S_IWUSR | S_IRUGO, show_fanin, |
1738 | store_fanin, FANIN_TOL, NOT_USED), | |
1739 | SENSOR_ATTR_2(pwm_default, S_IWUSR | S_IRUGO, show_sf_setup, | |
1740 | store_sf_setup, SETUP_PWM_DEFAULT, NOT_USED), | |
1741 | SENSOR_ATTR_2(pwm_uptime, S_IWUSR | S_IRUGO, show_sf_setup, | |
1742 | store_sf_setup, SETUP_PWM_UPTIME, NOT_USED), | |
1743 | SENSOR_ATTR_2(pwm_downtime, S_IWUSR | S_IRUGO, show_sf_setup, | |
1744 | store_sf_setup, SETUP_PWM_DOWNTIME, NOT_USED), | |
00030af2 | 1745 | #endif |
792d376b WS |
1746 | }; |
1747 | ||
1748 | /* | |
1749 | * Driver interface | |
1750 | */ | |
1751 | ||
1752 | static void w83795_init_client(struct i2c_client *client) | |
1753 | { | |
01879a85 JD |
1754 | struct w83795_data *data = i2c_get_clientdata(client); |
1755 | static const u16 clkin[4] = { /* in kHz */ | |
1756 | 14318, 24000, 33333, 48000 | |
1757 | }; | |
80646b95 JD |
1758 | u8 config; |
1759 | ||
792d376b WS |
1760 | if (reset) |
1761 | w83795_write(client, W83795_REG_CONFIG, 0x80); | |
1762 | ||
80646b95 JD |
1763 | /* Start monitoring if needed */ |
1764 | config = w83795_read(client, W83795_REG_CONFIG); | |
1765 | if (!(config & W83795_REG_CONFIG_START)) { | |
1766 | dev_info(&client->dev, "Enabling monitoring operations\n"); | |
1767 | w83795_write(client, W83795_REG_CONFIG, | |
1768 | config | W83795_REG_CONFIG_START); | |
1769 | } | |
01879a85 JD |
1770 | |
1771 | data->clkin = clkin[(config >> 3) & 0x3]; | |
1772 | dev_dbg(&client->dev, "clkin = %u kHz\n", data->clkin); | |
792d376b WS |
1773 | } |
1774 | ||
2be381de JD |
1775 | static int w83795_get_device_id(struct i2c_client *client) |
1776 | { | |
1777 | int device_id; | |
1778 | ||
1779 | device_id = i2c_smbus_read_byte_data(client, W83795_REG_DEVICEID); | |
1780 | ||
1781 | /* Special case for rev. A chips; can't be checked first because later | |
1782 | revisions emulate this for compatibility */ | |
1783 | if (device_id < 0 || (device_id & 0xf0) != 0x50) { | |
1784 | int alt_id; | |
1785 | ||
1786 | alt_id = i2c_smbus_read_byte_data(client, | |
1787 | W83795_REG_DEVICEID_A); | |
1788 | if (alt_id == 0x50) | |
1789 | device_id = alt_id; | |
1790 | } | |
1791 | ||
1792 | return device_id; | |
1793 | } | |
1794 | ||
792d376b WS |
1795 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
1796 | static int w83795_detect(struct i2c_client *client, | |
1797 | struct i2c_board_info *info) | |
1798 | { | |
2be381de | 1799 | int bank, vendor_id, device_id, expected, i2c_addr, config; |
792d376b WS |
1800 | struct i2c_adapter *adapter = client->adapter; |
1801 | unsigned short address = client->addr; | |
093d1a47 | 1802 | const char *chip_name; |
792d376b WS |
1803 | |
1804 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
1805 | return -ENODEV; | |
1806 | bank = i2c_smbus_read_byte_data(client, W83795_REG_BANKSEL); | |
2be381de JD |
1807 | if (bank < 0 || (bank & 0x7c)) { |
1808 | dev_dbg(&adapter->dev, | |
1809 | "w83795: Detection failed at addr 0x%02hx, check %s\n", | |
1810 | address, "bank"); | |
1811 | return -ENODEV; | |
1812 | } | |
792d376b | 1813 | |
792d376b | 1814 | /* Check Nuvoton vendor ID */ |
2be381de JD |
1815 | vendor_id = i2c_smbus_read_byte_data(client, W83795_REG_VENDORID); |
1816 | expected = bank & 0x80 ? 0x5c : 0xa3; | |
1817 | if (vendor_id != expected) { | |
1818 | dev_dbg(&adapter->dev, | |
1819 | "w83795: Detection failed at addr 0x%02hx, check %s\n", | |
1820 | address, "vendor id"); | |
792d376b WS |
1821 | return -ENODEV; |
1822 | } | |
1823 | ||
2be381de JD |
1824 | /* Check device ID */ |
1825 | device_id = w83795_get_device_id(client) | | |
1826 | (i2c_smbus_read_byte_data(client, W83795_REG_CHIPID) << 8); | |
1827 | if ((device_id >> 4) != 0x795) { | |
1828 | dev_dbg(&adapter->dev, | |
1829 | "w83795: Detection failed at addr 0x%02hx, check %s\n", | |
1830 | address, "device id\n"); | |
792d376b WS |
1831 | return -ENODEV; |
1832 | } | |
1833 | ||
2be381de JD |
1834 | /* If Nuvoton chip, address of chip and W83795_REG_I2C_ADDR |
1835 | should match */ | |
1836 | if ((bank & 0x07) == 0) { | |
1837 | i2c_addr = i2c_smbus_read_byte_data(client, | |
1838 | W83795_REG_I2C_ADDR); | |
1839 | if ((i2c_addr & 0x7f) != address) { | |
1840 | dev_dbg(&adapter->dev, | |
1841 | "w83795: Detection failed at addr 0x%02hx, " | |
1842 | "check %s\n", address, "i2c addr"); | |
1843 | return -ENODEV; | |
1844 | } | |
792d376b WS |
1845 | } |
1846 | ||
093d1a47 JD |
1847 | /* Check 795 chip type: 795G or 795ADG |
1848 | Usually we don't write to chips during detection, but here we don't | |
1849 | quite have the choice; hopefully it's OK, we are about to return | |
1850 | success anyway */ | |
1851 | if ((bank & 0x07) != 0) | |
1852 | i2c_smbus_write_byte_data(client, W83795_REG_BANKSEL, | |
1853 | bank & ~0x07); | |
2be381de JD |
1854 | config = i2c_smbus_read_byte_data(client, W83795_REG_CONFIG); |
1855 | if (config & W83795_REG_CONFIG_CONFIG48) | |
093d1a47 | 1856 | chip_name = "w83795adg"; |
2be381de | 1857 | else |
093d1a47 | 1858 | chip_name = "w83795g"; |
792d376b | 1859 | |
093d1a47 | 1860 | strlcpy(info->type, chip_name, I2C_NAME_SIZE); |
2be381de JD |
1861 | dev_info(&adapter->dev, "Found %s rev. %c at 0x%02hx\n", chip_name, |
1862 | 'A' + (device_id & 0xf), address); | |
792d376b WS |
1863 | |
1864 | return 0; | |
1865 | } | |
1866 | ||
6f3dcde9 JD |
1867 | static int w83795_handle_files(struct device *dev, int (*fn)(struct device *, |
1868 | const struct device_attribute *)) | |
892514a6 JD |
1869 | { |
1870 | struct w83795_data *data = dev_get_drvdata(dev); | |
87df0dad | 1871 | int err, i, j; |
892514a6 JD |
1872 | |
1873 | for (i = 0; i < ARRAY_SIZE(w83795_in); i++) { | |
87df0dad | 1874 | if (!(data->has_in & (1 << i))) |
892514a6 | 1875 | continue; |
87df0dad JD |
1876 | for (j = 0; j < ARRAY_SIZE(w83795_in[0]); j++) { |
1877 | err = fn(dev, &w83795_in[i][j].dev_attr); | |
1878 | if (err) | |
1879 | return err; | |
1880 | } | |
892514a6 JD |
1881 | } |
1882 | ||
1883 | for (i = 0; i < ARRAY_SIZE(w83795_fan); i++) { | |
87df0dad | 1884 | if (!(data->has_fan & (1 << i))) |
892514a6 | 1885 | continue; |
87df0dad JD |
1886 | for (j = 0; j < ARRAY_SIZE(w83795_fan[0]); j++) { |
1887 | err = fn(dev, &w83795_fan[i][j].dev_attr); | |
1888 | if (err) | |
1889 | return err; | |
1890 | } | |
892514a6 JD |
1891 | } |
1892 | ||
1893 | for (i = 0; i < ARRAY_SIZE(sda_single_files); i++) { | |
6f3dcde9 | 1894 | err = fn(dev, &sda_single_files[i].dev_attr); |
892514a6 JD |
1895 | if (err) |
1896 | return err; | |
1897 | } | |
1898 | ||
00030af2 | 1899 | #ifdef CONFIG_SENSORS_W83795_FANCTRL |
b5f6a90a JD |
1900 | for (i = 0; i < data->has_pwm; i++) { |
1901 | for (j = 0; j < ARRAY_SIZE(w83795_pwm[0]); j++) { | |
1902 | err = fn(dev, &w83795_pwm[i][j].dev_attr); | |
892514a6 JD |
1903 | if (err) |
1904 | return err; | |
1905 | } | |
1906 | } | |
00030af2 | 1907 | #endif |
892514a6 JD |
1908 | |
1909 | for (i = 0; i < ARRAY_SIZE(w83795_temp); i++) { | |
87df0dad | 1910 | if (!(data->has_temp & (1 << i))) |
892514a6 | 1911 | continue; |
00030af2 | 1912 | #ifdef CONFIG_SENSORS_W83795_FANCTRL |
87df0dad | 1913 | for (j = 0; j < ARRAY_SIZE(w83795_temp[0]); j++) { |
00030af2 JD |
1914 | #else |
1915 | for (j = 0; j < 8; j++) { | |
1916 | #endif | |
87df0dad JD |
1917 | err = fn(dev, &w83795_temp[i][j].dev_attr); |
1918 | if (err) | |
1919 | return err; | |
1920 | } | |
892514a6 JD |
1921 | } |
1922 | ||
eb02755a | 1923 | if (data->enable_dts) { |
892514a6 | 1924 | for (i = 0; i < ARRAY_SIZE(w83795_dts); i++) { |
87df0dad | 1925 | if (!(data->has_dts & (1 << i))) |
892514a6 | 1926 | continue; |
87df0dad JD |
1927 | for (j = 0; j < ARRAY_SIZE(w83795_dts[0]); j++) { |
1928 | err = fn(dev, &w83795_dts[i][j].dev_attr); | |
1929 | if (err) | |
1930 | return err; | |
1931 | } | |
892514a6 JD |
1932 | } |
1933 | } | |
1934 | ||
892514a6 JD |
1935 | return 0; |
1936 | } | |
1937 | ||
6f3dcde9 JD |
1938 | /* We need a wrapper that fits in w83795_handle_files */ |
1939 | static int device_remove_file_wrapper(struct device *dev, | |
1940 | const struct device_attribute *attr) | |
2fa09878 | 1941 | { |
6f3dcde9 JD |
1942 | device_remove_file(dev, attr); |
1943 | return 0; | |
2fa09878 JD |
1944 | } |
1945 | ||
0e256018 JD |
1946 | static void w83795_check_dynamic_in_limits(struct i2c_client *client) |
1947 | { | |
1948 | struct w83795_data *data = i2c_get_clientdata(client); | |
1949 | u8 vid_ctl; | |
1950 | int i, err_max, err_min; | |
1951 | ||
1952 | vid_ctl = w83795_read(client, W83795_REG_VID_CTRL); | |
1953 | ||
1954 | /* Return immediately if VRM isn't configured */ | |
1955 | if ((vid_ctl & 0x07) == 0x00 || (vid_ctl & 0x07) == 0x07) | |
1956 | return; | |
1957 | ||
1958 | data->has_dyn_in = (vid_ctl >> 3) & 0x07; | |
1959 | for (i = 0; i < 2; i++) { | |
1960 | if (!(data->has_dyn_in & (1 << i))) | |
1961 | continue; | |
1962 | ||
1963 | /* Voltage limits in dynamic mode, switch to read-only */ | |
1964 | err_max = sysfs_chmod_file(&client->dev.kobj, | |
1965 | &w83795_in[i][2].dev_attr.attr, | |
1966 | S_IRUGO); | |
1967 | err_min = sysfs_chmod_file(&client->dev.kobj, | |
1968 | &w83795_in[i][3].dev_attr.attr, | |
1969 | S_IRUGO); | |
1970 | if (err_max || err_min) | |
1971 | dev_warn(&client->dev, "Failed to set in%d limits " | |
1972 | "read-only (%d, %d)\n", i, err_max, err_min); | |
1973 | else | |
1974 | dev_info(&client->dev, "in%d limits set dynamically " | |
1975 | "from VID\n", i); | |
1976 | } | |
1977 | } | |
1978 | ||
71caf46f JD |
1979 | /* Check pins that can be used for either temperature or voltage monitoring */ |
1980 | static void w83795_apply_temp_config(struct w83795_data *data, u8 config, | |
1981 | int temp_chan, int in_chan) | |
1982 | { | |
1983 | /* config is a 2-bit value */ | |
1984 | switch (config) { | |
1985 | case 0x2: /* Voltage monitoring */ | |
1986 | data->has_in |= 1 << in_chan; | |
1987 | break; | |
1988 | case 0x1: /* Thermal diode */ | |
1989 | if (temp_chan >= 4) | |
1990 | break; | |
1991 | data->temp_mode |= 1 << temp_chan; | |
1992 | /* fall through */ | |
1993 | case 0x3: /* Thermistor */ | |
1994 | data->has_temp |= 1 << temp_chan; | |
1995 | break; | |
1996 | } | |
1997 | } | |
1998 | ||
792d376b WS |
1999 | static int w83795_probe(struct i2c_client *client, |
2000 | const struct i2c_device_id *id) | |
2001 | { | |
2002 | int i; | |
2003 | u8 tmp; | |
2004 | struct device *dev = &client->dev; | |
2005 | struct w83795_data *data; | |
71caf46f | 2006 | int err; |
792d376b WS |
2007 | |
2008 | data = kzalloc(sizeof(struct w83795_data), GFP_KERNEL); | |
2009 | if (!data) { | |
2010 | err = -ENOMEM; | |
2011 | goto exit; | |
2012 | } | |
2013 | ||
2014 | i2c_set_clientdata(client, data); | |
093d1a47 | 2015 | data->chip_type = id->driver_data; |
792d376b WS |
2016 | data->bank = i2c_smbus_read_byte_data(client, W83795_REG_BANKSEL); |
2017 | mutex_init(&data->update_lock); | |
2018 | ||
2019 | /* Initialize the chip */ | |
2020 | w83795_init_client(client); | |
2021 | ||
71caf46f JD |
2022 | /* Check which voltages and fans are present */ |
2023 | data->has_in = w83795_read(client, W83795_REG_VOLT_CTRL1) | |
2024 | | (w83795_read(client, W83795_REG_VOLT_CTRL2) << 8); | |
2025 | data->has_fan = w83795_read(client, W83795_REG_FANIN_CTRL1) | |
2026 | | (w83795_read(client, W83795_REG_FANIN_CTRL2) << 8); | |
792d376b | 2027 | |
71caf46f | 2028 | /* Check which analog temperatures and extra voltages are present */ |
792d376b WS |
2029 | tmp = w83795_read(client, W83795_REG_TEMP_CTRL1); |
2030 | if (tmp & 0x20) | |
2031 | data->enable_dts = 1; | |
71caf46f JD |
2032 | w83795_apply_temp_config(data, (tmp >> 2) & 0x3, 5, 16); |
2033 | w83795_apply_temp_config(data, tmp & 0x3, 4, 15); | |
792d376b | 2034 | tmp = w83795_read(client, W83795_REG_TEMP_CTRL2); |
71caf46f JD |
2035 | w83795_apply_temp_config(data, tmp >> 6, 3, 20); |
2036 | w83795_apply_temp_config(data, (tmp >> 4) & 0x3, 2, 19); | |
2037 | w83795_apply_temp_config(data, (tmp >> 2) & 0x3, 1, 18); | |
2038 | w83795_apply_temp_config(data, tmp & 0x3, 0, 17); | |
792d376b WS |
2039 | |
2040 | /* Check DTS enable status */ | |
71caf46f | 2041 | if (data->enable_dts) { |
792d376b WS |
2042 | if (1 & w83795_read(client, W83795_REG_DTSC)) |
2043 | data->enable_dts |= 2; | |
2044 | data->has_dts = w83795_read(client, W83795_REG_DTSE); | |
2045 | } | |
2046 | ||
54891a3c JD |
2047 | /* Report PECI Tbase values */ |
2048 | if (data->enable_dts == 1) { | |
2049 | for (i = 0; i < 8; i++) { | |
2050 | if (!(data->has_dts & (1 << i))) | |
2051 | continue; | |
2052 | tmp = w83795_read(client, W83795_REG_PECI_TBASE(i)); | |
2053 | dev_info(&client->dev, | |
2054 | "PECI agent %d Tbase temperature: %u\n", | |
2055 | i + 1, (unsigned int)tmp & 0x7f); | |
2056 | } | |
2057 | } | |
2058 | ||
792d376b | 2059 | data->has_gain = w83795_read(client, W83795_REG_VMIGB_CTRL) & 0x0f; |
792d376b WS |
2060 | |
2061 | /* pwm and smart fan */ | |
2062 | if (data->chip_type == w83795g) | |
2063 | data->has_pwm = 8; | |
2064 | else | |
2065 | data->has_pwm = 2; | |
792d376b | 2066 | |
6f3dcde9 | 2067 | err = w83795_handle_files(dev, device_create_file); |
892514a6 JD |
2068 | if (err) |
2069 | goto exit_remove; | |
792d376b | 2070 | |
0e256018 JD |
2071 | if (data->chip_type == w83795g) |
2072 | w83795_check_dynamic_in_limits(client); | |
2073 | ||
792d376b WS |
2074 | data->hwmon_dev = hwmon_device_register(dev); |
2075 | if (IS_ERR(data->hwmon_dev)) { | |
2076 | err = PTR_ERR(data->hwmon_dev); | |
2077 | goto exit_remove; | |
2078 | } | |
2079 | ||
2080 | return 0; | |
2081 | ||
792d376b | 2082 | exit_remove: |
6f3dcde9 | 2083 | w83795_handle_files(dev, device_remove_file_wrapper); |
792d376b WS |
2084 | kfree(data); |
2085 | exit: | |
2086 | return err; | |
2087 | } | |
2088 | ||
2089 | static int w83795_remove(struct i2c_client *client) | |
2090 | { | |
2091 | struct w83795_data *data = i2c_get_clientdata(client); | |
792d376b WS |
2092 | |
2093 | hwmon_device_unregister(data->hwmon_dev); | |
6f3dcde9 | 2094 | w83795_handle_files(&client->dev, device_remove_file_wrapper); |
792d376b WS |
2095 | kfree(data); |
2096 | ||
2097 | return 0; | |
2098 | } | |
2099 | ||
2100 | ||
2101 | static const struct i2c_device_id w83795_id[] = { | |
093d1a47 JD |
2102 | { "w83795g", w83795g }, |
2103 | { "w83795adg", w83795adg }, | |
792d376b WS |
2104 | { } |
2105 | }; | |
2106 | MODULE_DEVICE_TABLE(i2c, w83795_id); | |
2107 | ||
2108 | static struct i2c_driver w83795_driver = { | |
2109 | .driver = { | |
2110 | .name = "w83795", | |
2111 | }, | |
2112 | .probe = w83795_probe, | |
2113 | .remove = w83795_remove, | |
2114 | .id_table = w83795_id, | |
2115 | ||
2116 | .class = I2C_CLASS_HWMON, | |
2117 | .detect = w83795_detect, | |
2118 | .address_list = normal_i2c, | |
2119 | }; | |
2120 | ||
2121 | static int __init sensors_w83795_init(void) | |
2122 | { | |
2123 | return i2c_add_driver(&w83795_driver); | |
2124 | } | |
2125 | ||
2126 | static void __exit sensors_w83795_exit(void) | |
2127 | { | |
2128 | i2c_del_driver(&w83795_driver); | |
2129 | } | |
2130 | ||
e3760b43 | 2131 | MODULE_AUTHOR("Wei Song, Jean Delvare <khali@linux-fr.org>"); |
315bacfd | 2132 | MODULE_DESCRIPTION("W83795G/ADG hardware monitoring driver"); |
792d376b WS |
2133 | MODULE_LICENSE("GPL"); |
2134 | ||
2135 | module_init(sensors_w83795_init); | |
2136 | module_exit(sensors_w83795_exit); |