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