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serial: xilinx_uartps: fix bad register write in console_write
[linux-2.6-xlnx.git] / drivers / hwmon / lm93.c
blob67e8fe256e020612305e7de9bef17d401fc3dc0f
1 /*
2 * lm93.c - Part of lm_sensors, Linux kernel modules for hardware monitoring
3 *
4 * Author/Maintainer: Mark M. Hoffman <mhoffman@lightlink.com>
5 * Copyright (c) 2004 Utilitek Systems, Inc.
6 *
7 * derived in part from lm78.c:
8 * Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
9 *
10 * derived in part from lm85.c:
11 * Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com>
12 * Copyright (c) 2003 Margit Schubert-While <margitsw@t-online.de>
13 *
14 * derived in part from w83l785ts.c:
15 * Copyright (c) 2003-2004 Jean Delvare <khali@linux-fr.org>
16 *
17 * Ported to Linux 2.6 by Eric J. Bowersox <ericb@aspsys.com>
18 * Copyright (c) 2005 Aspen Systems, Inc.
19 *
20 * Adapted to 2.6.20 by Carsten Emde <cbe@osadl.org>
21 * Copyright (c) 2006 Carsten Emde, Open Source Automation Development Lab
22 *
23 * Modified for mainline integration by Hans J. Koch <hjk@hansjkoch.de>
24 * Copyright (c) 2007 Hans J. Koch, Linutronix GmbH
25 *
26 * This program is free software; you can redistribute it and/or modify
27 * it under the terms of the GNU General Public License as published by
28 * the Free Software Foundation; either version 2 of the License, or
29 * (at your option) any later version.
30 *
31 * This program is distributed in the hope that it will be useful,
32 * but WITHOUT ANY WARRANTY; without even the implied warranty of
33 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
34 * GNU General Public License for more details.
35 *
36 * You should have received a copy of the GNU General Public License
37 * along with this program; if not, write to the Free Software
38 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
39 */
40
41 #include <linux/module.h>
42 #include <linux/init.h>
43 #include <linux/slab.h>
44 #include <linux/i2c.h>
45 #include <linux/hwmon.h>
46 #include <linux/hwmon-sysfs.h>
47 #include <linux/hwmon-vid.h>
48 #include <linux/err.h>
49 #include <linux/delay.h>
50
51 /* LM93 REGISTER ADDRESSES */
52
53 /* miscellaneous */
54 #define LM93_REG_MFR_ID 0x3e
55 #define LM93_REG_VER 0x3f
56 #define LM93_REG_STATUS_CONTROL 0xe2
57 #define LM93_REG_CONFIG 0xe3
58 #define LM93_REG_SLEEP_CONTROL 0xe4
59
60 /* alarm values start here */
61 #define LM93_REG_HOST_ERROR_1 0x48
62
63 /* voltage inputs: in1-in16 (nr => 0-15) */
64 #define LM93_REG_IN(nr) (0x56 + (nr))
65 #define LM93_REG_IN_MIN(nr) (0x90 + (nr) * 2)
66 #define LM93_REG_IN_MAX(nr) (0x91 + (nr) * 2)
67
68 /* temperature inputs: temp1-temp4 (nr => 0-3) */
69 #define LM93_REG_TEMP(nr) (0x50 + (nr))
70 #define LM93_REG_TEMP_MIN(nr) (0x78 + (nr) * 2)
71 #define LM93_REG_TEMP_MAX(nr) (0x79 + (nr) * 2)
72
73 /* temp[1-4]_auto_boost (nr => 0-3) */
74 #define LM93_REG_BOOST(nr) (0x80 + (nr))
75
76 /* #PROCHOT inputs: prochot1-prochot2 (nr => 0-1) */
77 #define LM93_REG_PROCHOT_CUR(nr) (0x67 + (nr) * 2)
78 #define LM93_REG_PROCHOT_AVG(nr) (0x68 + (nr) * 2)
79 #define LM93_REG_PROCHOT_MAX(nr) (0xb0 + (nr))
80
81 /* fan tach inputs: fan1-fan4 (nr => 0-3) */
82 #define LM93_REG_FAN(nr) (0x6e + (nr) * 2)
83 #define LM93_REG_FAN_MIN(nr) (0xb4 + (nr) * 2)
84
85 /* pwm outputs: pwm1-pwm2 (nr => 0-1, reg => 0-3) */
86 #define LM93_REG_PWM_CTL(nr, reg) (0xc8 + (reg) + (nr) * 4)
87 #define LM93_PWM_CTL1 0x0
88 #define LM93_PWM_CTL2 0x1
89 #define LM93_PWM_CTL3 0x2
90 #define LM93_PWM_CTL4 0x3
91
92 /* GPIO input state */
93 #define LM93_REG_GPI 0x6b
94
95 /* vid inputs: vid1-vid2 (nr => 0-1) */
96 #define LM93_REG_VID(nr) (0x6c + (nr))
97
98 /* vccp1 & vccp2: VID relative inputs (nr => 0-1) */
99 #define LM93_REG_VCCP_LIMIT_OFF(nr) (0xb2 + (nr))
100
101 /* temp[1-4]_auto_boost_hyst */
102 #define LM93_REG_BOOST_HYST_12 0xc0
103 #define LM93_REG_BOOST_HYST_34 0xc1
104 #define LM93_REG_BOOST_HYST(nr) (0xc0 + (nr)/2)
105
106 /* temp[1-4]_auto_pwm_[min|hyst] */
107 #define LM93_REG_PWM_MIN_HYST_12 0xc3
108 #define LM93_REG_PWM_MIN_HYST_34 0xc4
109 #define LM93_REG_PWM_MIN_HYST(nr) (0xc3 + (nr)/2)
110
111 /* prochot_override & prochot_interval */
112 #define LM93_REG_PROCHOT_OVERRIDE 0xc6
113 #define LM93_REG_PROCHOT_INTERVAL 0xc7
114
115 /* temp[1-4]_auto_base (nr => 0-3) */
116 #define LM93_REG_TEMP_BASE(nr) (0xd0 + (nr))
117
118 /* temp[1-4]_auto_offsets (step => 0-11) */
119 #define LM93_REG_TEMP_OFFSET(step) (0xd4 + (step))
120
121 /* #PROCHOT & #VRDHOT PWM ramp control */
122 #define LM93_REG_PWM_RAMP_CTL 0xbf
123
124 /* miscellaneous */
125 #define LM93_REG_SFC1 0xbc
126 #define LM93_REG_SFC2 0xbd
127 #define LM93_REG_GPI_VID_CTL 0xbe
128 #define LM93_REG_SF_TACH_TO_PWM 0xe0
129
130 /* error masks */
131 #define LM93_REG_GPI_ERR_MASK 0xec
132 #define LM93_REG_MISC_ERR_MASK 0xed
133
134 /* LM93 REGISTER VALUES */
135 #define LM93_MFR_ID 0x73
136 #define LM93_MFR_ID_PROTOTYPE 0x72
137
138 /* LM94 REGISTER VALUES */
139 #define LM94_MFR_ID_2 0x7a
140 #define LM94_MFR_ID 0x79
141 #define LM94_MFR_ID_PROTOTYPE 0x78
142
143 /* SMBus capabilities */
144 #define LM93_SMBUS_FUNC_FULL (I2C_FUNC_SMBUS_BYTE_DATA | \
145 I2C_FUNC_SMBUS_WORD_DATA | I2C_FUNC_SMBUS_BLOCK_DATA)
146 #define LM93_SMBUS_FUNC_MIN (I2C_FUNC_SMBUS_BYTE_DATA | \
147 I2C_FUNC_SMBUS_WORD_DATA)
148
149 /* Addresses to scan */
150 static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
151
152 /* Insmod parameters */
153
154 static bool disable_block;
155 module_param(disable_block, bool, 0);
156 MODULE_PARM_DESC(disable_block,
157 "Set to non-zero to disable SMBus block data transactions.");
158
159 static bool init;
160 module_param(init, bool, 0);
161 MODULE_PARM_DESC(init, "Set to non-zero to force chip initialization.");
162
163 static int vccp_limit_type[2] = {0, 0};
164 module_param_array(vccp_limit_type, int, NULL, 0);
165 MODULE_PARM_DESC(vccp_limit_type, "Configures in7 and in8 limit modes.");
166
167 static int vid_agtl;
168 module_param(vid_agtl, int, 0);
169 MODULE_PARM_DESC(vid_agtl, "Configures VID pin input thresholds.");
170
171 /* Driver data */
172 static struct i2c_driver lm93_driver;
173
174 /* LM93 BLOCK READ COMMANDS */
175 static const struct { u8 cmd; u8 len; } lm93_block_read_cmds[12] = {
176 { 0xf2, 8 },
177 { 0xf3, 8 },
178 { 0xf4, 6 },
179 { 0xf5, 16 },
180 { 0xf6, 4 },
181 { 0xf7, 8 },
182 { 0xf8, 12 },
183 { 0xf9, 32 },
184 { 0xfa, 8 },
185 { 0xfb, 8 },
186 { 0xfc, 16 },
187 { 0xfd, 9 },
188 };
189
190 /*
191 * ALARMS: SYSCTL format described further below
192 * REG: 64 bits in 8 registers, as immediately below
193 */
194 struct block1_t {
195 u8 host_status_1;
196 u8 host_status_2;
197 u8 host_status_3;
198 u8 host_status_4;
199 u8 p1_prochot_status;
200 u8 p2_prochot_status;
201 u8 gpi_status;
202 u8 fan_status;
203 };
204
205 /*
206 * Client-specific data
207 */
208 struct lm93_data {
209 struct device *hwmon_dev;
210
211 struct mutex update_lock;
212 unsigned long last_updated; /* In jiffies */
213
214 /* client update function */
215 void (*update)(struct lm93_data *, struct i2c_client *);
216
217 char valid; /* !=0 if following fields are valid */
218
219 /* register values, arranged by block read groups */
220 struct block1_t block1;
221
222 /*
223 * temp1 - temp4: unfiltered readings
224 * temp1 - temp2: filtered readings
225 */
226 u8 block2[6];
227
228 /* vin1 - vin16: readings */
229 u8 block3[16];
230
231 /* prochot1 - prochot2: readings */
232 struct {
233 u8 cur;
234 u8 avg;
235 } block4[2];
236
237 /* fan counts 1-4 => 14-bits, LE, *left* justified */
238 u16 block5[4];
239
240 /* block6 has a lot of data we don't need */
241 struct {
242 u8 min;
243 u8 max;
244 } temp_lim[4];
245
246 /* vin1 - vin16: low and high limits */
247 struct {
248 u8 min;
249 u8 max;
250 } block7[16];
251
252 /* fan count limits 1-4 => same format as block5 */
253 u16 block8[4];
254
255 /* pwm control registers (2 pwms, 4 regs) */
256 u8 block9[2][4];
257
258 /* auto/pwm base temp and offset temp registers */
259 struct {
260 u8 base[4];
261 u8 offset[12];
262 } block10;
263
264 /* master config register */
265 u8 config;
266
267 /* VID1 & VID2 => register format, 6-bits, right justified */
268 u8 vid[2];
269
270 /* prochot1 - prochot2: limits */
271 u8 prochot_max[2];
272
273 /* vccp1 & vccp2 (in7 & in8): VID relative limits (register format) */
274 u8 vccp_limits[2];
275
276 /* GPIO input state (register format, i.e. inverted) */
277 u8 gpi;
278
279 /* #PROCHOT override (register format) */
280 u8 prochot_override;
281
282 /* #PROCHOT intervals (register format) */
283 u8 prochot_interval;
284
285 /* Fan Boost Temperatures (register format) */
286 u8 boost[4];
287
288 /* Fan Boost Hysteresis (register format) */
289 u8 boost_hyst[2];
290
291 /* Temperature Zone Min. PWM & Hysteresis (register format) */
292 u8 auto_pwm_min_hyst[2];
293
294 /* #PROCHOT & #VRDHOT PWM Ramp Control */
295 u8 pwm_ramp_ctl;
296
297 /* miscellaneous setup regs */
298 u8 sfc1;
299 u8 sfc2;
300 u8 sf_tach_to_pwm;
301
302 /*
303 * The two PWM CTL2 registers can read something other than what was
304 * last written for the OVR_DC field (duty cycle override). So, we
305 * save the user-commanded value here.
306 */
307 u8 pwm_override[2];
308 };
309
310 /*
311 * VID: mV
312 * REG: 6-bits, right justified, *always* using Intel VRM/VRD 10
313 */
314 static int LM93_VID_FROM_REG(u8 reg)
315 {
316 return vid_from_reg((reg & 0x3f), 100);
317 }
318
319 /* min, max, and nominal register values, per channel (u8) */
320 static const u8 lm93_vin_reg_min[16] = {
321 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
322 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xae,
323 };
324 static const u8 lm93_vin_reg_max[16] = {
325 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
326 0xff, 0xfa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xd1,
327 };
328 /*
329 * Values from the datasheet. They're here for documentation only.
330 * static const u8 lm93_vin_reg_nom[16] = {
331 * 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0,
332 * 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x40, 0xc0,
333 * };
334 */
335
336 /* min, max, and nominal voltage readings, per channel (mV)*/
337 static const unsigned long lm93_vin_val_min[16] = {
338 0, 0, 0, 0, 0, 0, 0, 0,
339 0, 0, 0, 0, 0, 0, 0, 3000,
340 };
341
342 static const unsigned long lm93_vin_val_max[16] = {
343 1236, 1236, 1236, 1600, 2000, 2000, 1600, 1600,
344 4400, 6500, 3333, 2625, 1312, 1312, 1236, 3600,
345 };
346 /*
347 * Values from the datasheet. They're here for documentation only.
348 * static const unsigned long lm93_vin_val_nom[16] = {
349 * 927, 927, 927, 1200, 1500, 1500, 1200, 1200,
350 * 3300, 5000, 2500, 1969, 984, 984, 309, 3300,
351 * };
352 */
353
354 static unsigned LM93_IN_FROM_REG(int nr, u8 reg)
355 {
356 const long uV_max = lm93_vin_val_max[nr] * 1000;
357 const long uV_min = lm93_vin_val_min[nr] * 1000;
358
359 const long slope = (uV_max - uV_min) /
360 (lm93_vin_reg_max[nr] - lm93_vin_reg_min[nr]);
361 const long intercept = uV_min - slope * lm93_vin_reg_min[nr];
362
363 return (slope * reg + intercept + 500) / 1000;
364 }
365
366 /*
367 * IN: mV, limits determined by channel nr
368 * REG: scaling determined by channel nr
369 */
370 static u8 LM93_IN_TO_REG(int nr, unsigned val)
371 {
372 /* range limit */
373 const long mV = SENSORS_LIMIT(val,
374 lm93_vin_val_min[nr], lm93_vin_val_max[nr]);
375
376 /* try not to lose too much precision here */
377 const long uV = mV * 1000;
378 const long uV_max = lm93_vin_val_max[nr] * 1000;
379 const long uV_min = lm93_vin_val_min[nr] * 1000;
380
381 /* convert */
382 const long slope = (uV_max - uV_min) /
383 (lm93_vin_reg_max[nr] - lm93_vin_reg_min[nr]);
384 const long intercept = uV_min - slope * lm93_vin_reg_min[nr];
385
386 u8 result = ((uV - intercept + (slope/2)) / slope);
387 result = SENSORS_LIMIT(result,
388 lm93_vin_reg_min[nr], lm93_vin_reg_max[nr]);
389 return result;
390 }
391
392 /* vid in mV, upper == 0 indicates low limit, otherwise upper limit */
393 static unsigned LM93_IN_REL_FROM_REG(u8 reg, int upper, int vid)
394 {
395 const long uV_offset = upper ? (((reg >> 4 & 0x0f) + 1) * 12500) :
396 (((reg >> 0 & 0x0f) + 1) * -25000);
397 const long uV_vid = vid * 1000;
398 return (uV_vid + uV_offset + 5000) / 10000;
399 }
400
401 #define LM93_IN_MIN_FROM_REG(reg, vid) LM93_IN_REL_FROM_REG((reg), 0, (vid))
402 #define LM93_IN_MAX_FROM_REG(reg, vid) LM93_IN_REL_FROM_REG((reg), 1, (vid))
403
404 /*
405 * vid in mV , upper == 0 indicates low limit, otherwise upper limit
406 * upper also determines which nibble of the register is returned
407 * (the other nibble will be 0x0)
408 */
409 static u8 LM93_IN_REL_TO_REG(unsigned val, int upper, int vid)
410 {
411 long uV_offset = vid * 1000 - val * 10000;
412 if (upper) {
413 uV_offset = SENSORS_LIMIT(uV_offset, 12500, 200000);
414 return (u8)((uV_offset / 12500 - 1) << 4);
415 } else {
416 uV_offset = SENSORS_LIMIT(uV_offset, -400000, -25000);
417 return (u8)((uV_offset / -25000 - 1) << 0);
418 }
419 }
420
421 /*
422 * TEMP: 1/1000 degrees C (-128C to +127C)
423 * REG: 1C/bit, two's complement
424 */
425 static int LM93_TEMP_FROM_REG(u8 reg)
426 {
427 return (s8)reg * 1000;
428 }
429
430 #define LM93_TEMP_MIN (-128000)
431 #define LM93_TEMP_MAX (127000)
432
433 /*
434 * TEMP: 1/1000 degrees C (-128C to +127C)
435 * REG: 1C/bit, two's complement
436 */
437 static u8 LM93_TEMP_TO_REG(long temp)
438 {
439 int ntemp = SENSORS_LIMIT(temp, LM93_TEMP_MIN, LM93_TEMP_MAX);
440 ntemp += (ntemp < 0 ? -500 : 500);
441 return (u8)(ntemp / 1000);
442 }
443
444 /* Determine 4-bit temperature offset resolution */
445 static int LM93_TEMP_OFFSET_MODE_FROM_REG(u8 sfc2, int nr)
446 {
447 /* mode: 0 => 1C/bit, nonzero => 0.5C/bit */
448 return sfc2 & (nr < 2 ? 0x10 : 0x20);
449 }
450
451 /*
452 * This function is common to all 4-bit temperature offsets
453 * reg is 4 bits right justified
454 * mode 0 => 1C/bit, mode !0 => 0.5C/bit
455 */
456 static int LM93_TEMP_OFFSET_FROM_REG(u8 reg, int mode)
457 {
458 return (reg & 0x0f) * (mode ? 5 : 10);
459 }
460
461 #define LM93_TEMP_OFFSET_MIN (0)
462 #define LM93_TEMP_OFFSET_MAX0 (150)
463 #define LM93_TEMP_OFFSET_MAX1 (75)
464
465 /*
466 * This function is common to all 4-bit temperature offsets
467 * returns 4 bits right justified
468 * mode 0 => 1C/bit, mode !0 => 0.5C/bit
469 */
470 static u8 LM93_TEMP_OFFSET_TO_REG(int off, int mode)
471 {
472 int factor = mode ? 5 : 10;
473
474 off = SENSORS_LIMIT(off, LM93_TEMP_OFFSET_MIN,
475 mode ? LM93_TEMP_OFFSET_MAX1 : LM93_TEMP_OFFSET_MAX0);
476 return (u8)((off + factor/2) / factor);
477 }
478
479 /* 0 <= nr <= 3 */
480 static int LM93_TEMP_AUTO_OFFSET_FROM_REG(u8 reg, int nr, int mode)
481 {
482 /* temp1-temp2 (nr=0,1) use lower nibble */
483 if (nr < 2)
484 return LM93_TEMP_OFFSET_FROM_REG(reg & 0x0f, mode);
485
486 /* temp3-temp4 (nr=2,3) use upper nibble */
487 else
488 return LM93_TEMP_OFFSET_FROM_REG(reg >> 4 & 0x0f, mode);
489 }
490
491 /*
492 * TEMP: 1/10 degrees C (0C to +15C (mode 0) or +7.5C (mode non-zero))
493 * REG: 1.0C/bit (mode 0) or 0.5C/bit (mode non-zero)
494 * 0 <= nr <= 3
495 */
496 static u8 LM93_TEMP_AUTO_OFFSET_TO_REG(u8 old, int off, int nr, int mode)
497 {
498 u8 new = LM93_TEMP_OFFSET_TO_REG(off, mode);
499
500 /* temp1-temp2 (nr=0,1) use lower nibble */
501 if (nr < 2)
502 return (old & 0xf0) | (new & 0x0f);
503
504 /* temp3-temp4 (nr=2,3) use upper nibble */
505 else
506 return (new << 4 & 0xf0) | (old & 0x0f);
507 }
508
509 static int LM93_AUTO_BOOST_HYST_FROM_REGS(struct lm93_data *data, int nr,
510 int mode)
511 {
512 u8 reg;
513
514 switch (nr) {
515 case 0:
516 reg = data->boost_hyst[0] & 0x0f;
517 break;
518 case 1:
519 reg = data->boost_hyst[0] >> 4 & 0x0f;
520 break;
521 case 2:
522 reg = data->boost_hyst[1] & 0x0f;
523 break;
524 case 3:
525 default:
526 reg = data->boost_hyst[1] >> 4 & 0x0f;
527 break;
528 }
529
530 return LM93_TEMP_FROM_REG(data->boost[nr]) -
531 LM93_TEMP_OFFSET_FROM_REG(reg, mode);
532 }
533
534 static u8 LM93_AUTO_BOOST_HYST_TO_REG(struct lm93_data *data, long hyst,
535 int nr, int mode)
536 {
537 u8 reg = LM93_TEMP_OFFSET_TO_REG(
538 (LM93_TEMP_FROM_REG(data->boost[nr]) - hyst), mode);
539
540 switch (nr) {
541 case 0:
542 reg = (data->boost_hyst[0] & 0xf0) | (reg & 0x0f);
543 break;
544 case 1:
545 reg = (reg << 4 & 0xf0) | (data->boost_hyst[0] & 0x0f);
546 break;
547 case 2:
548 reg = (data->boost_hyst[1] & 0xf0) | (reg & 0x0f);
549 break;
550 case 3:
551 default:
552 reg = (reg << 4 & 0xf0) | (data->boost_hyst[1] & 0x0f);
553 break;
554 }
555
556 return reg;
557 }
558
559 /*
560 * PWM: 0-255 per sensors documentation
561 * REG: 0-13 as mapped below... right justified
562 */
563 enum pwm_freq { LM93_PWM_MAP_HI_FREQ, LM93_PWM_MAP_LO_FREQ };
564
565 static int lm93_pwm_map[2][16] = {
566 {
567 0x00, /* 0.00% */ 0x40, /* 25.00% */
568 0x50, /* 31.25% */ 0x60, /* 37.50% */
569 0x70, /* 43.75% */ 0x80, /* 50.00% */
570 0x90, /* 56.25% */ 0xa0, /* 62.50% */
571 0xb0, /* 68.75% */ 0xc0, /* 75.00% */
572 0xd0, /* 81.25% */ 0xe0, /* 87.50% */
573 0xf0, /* 93.75% */ 0xff, /* 100.00% */
574 0xff, 0xff, /* 14, 15 are reserved and should never occur */
575 },
576 {
577 0x00, /* 0.00% */ 0x40, /* 25.00% */
578 0x49, /* 28.57% */ 0x52, /* 32.14% */
579 0x5b, /* 35.71% */ 0x64, /* 39.29% */
580 0x6d, /* 42.86% */ 0x76, /* 46.43% */
581 0x80, /* 50.00% */ 0x89, /* 53.57% */
582 0x92, /* 57.14% */ 0xb6, /* 71.43% */
583 0xdb, /* 85.71% */ 0xff, /* 100.00% */
584 0xff, 0xff, /* 14, 15 are reserved and should never occur */
585 },
586 };
587
588 static int LM93_PWM_FROM_REG(u8 reg, enum pwm_freq freq)
589 {
590 return lm93_pwm_map[freq][reg & 0x0f];
591 }
592
593 /* round up to nearest match */
594 static u8 LM93_PWM_TO_REG(int pwm, enum pwm_freq freq)
595 {
596 int i;
597 for (i = 0; i < 13; i++)
598 if (pwm <= lm93_pwm_map[freq][i])
599 break;
600
601 /* can fall through with i==13 */
602 return (u8)i;
603 }
604
605 static int LM93_FAN_FROM_REG(u16 regs)
606 {
607 const u16 count = le16_to_cpu(regs) >> 2;
608 return count == 0 ? -1 : count == 0x3fff ? 0 : 1350000 / count;
609 }
610
611 /*
612 * RPM: (82.5 to 1350000)
613 * REG: 14-bits, LE, *left* justified
614 */
615 static u16 LM93_FAN_TO_REG(long rpm)
616 {
617 u16 count, regs;
618
619 if (rpm == 0) {
620 count = 0x3fff;
621 } else {
622 rpm = SENSORS_LIMIT(rpm, 1, 1000000);
623 count = SENSORS_LIMIT((1350000 + rpm) / rpm, 1, 0x3ffe);
624 }
625
626 regs = count << 2;
627 return cpu_to_le16(regs);
628 }
629
630 /*
631 * PWM FREQ: HZ
632 * REG: 0-7 as mapped below
633 */
634 static int lm93_pwm_freq_map[8] = {
635 22500, 96, 84, 72, 60, 48, 36, 12
636 };
637
638 static int LM93_PWM_FREQ_FROM_REG(u8 reg)
639 {
640 return lm93_pwm_freq_map[reg & 0x07];
641 }
642
643 /* round up to nearest match */
644 static u8 LM93_PWM_FREQ_TO_REG(int freq)
645 {
646 int i;
647 for (i = 7; i > 0; i--)
648 if (freq <= lm93_pwm_freq_map[i])
649 break;
650
651 /* can fall through with i==0 */
652 return (u8)i;
653 }
654
655 /*
656 * TIME: 1/100 seconds
657 * REG: 0-7 as mapped below
658 */
659 static int lm93_spinup_time_map[8] = {
660 0, 10, 25, 40, 70, 100, 200, 400,
661 };
662
663 static int LM93_SPINUP_TIME_FROM_REG(u8 reg)
664 {
665 return lm93_spinup_time_map[reg >> 5 & 0x07];
666 }
667
668 /* round up to nearest match */
669 static u8 LM93_SPINUP_TIME_TO_REG(int time)
670 {
671 int i;
672 for (i = 0; i < 7; i++)
673 if (time <= lm93_spinup_time_map[i])
674 break;
675
676 /* can fall through with i==8 */
677 return (u8)i;
678 }
679
680 #define LM93_RAMP_MIN 0
681 #define LM93_RAMP_MAX 75
682
683 static int LM93_RAMP_FROM_REG(u8 reg)
684 {
685 return (reg & 0x0f) * 5;
686 }
687
688 /*
689 * RAMP: 1/100 seconds
690 * REG: 50mS/bit 4-bits right justified
691 */
692 static u8 LM93_RAMP_TO_REG(int ramp)
693 {
694 ramp = SENSORS_LIMIT(ramp, LM93_RAMP_MIN, LM93_RAMP_MAX);
695 return (u8)((ramp + 2) / 5);
696 }
697
698 /*
699 * PROCHOT: 0-255, 0 => 0%, 255 => > 96.6%
700 * REG: (same)
701 */
702 static u8 LM93_PROCHOT_TO_REG(long prochot)
703 {
704 prochot = SENSORS_LIMIT(prochot, 0, 255);
705 return (u8)prochot;
706 }
707
708 /*
709 * PROCHOT-INTERVAL: 73 - 37200 (1/100 seconds)
710 * REG: 0-9 as mapped below
711 */
712 static int lm93_interval_map[10] = {
713 73, 146, 290, 580, 1170, 2330, 4660, 9320, 18600, 37200,
714 };
715
716 static int LM93_INTERVAL_FROM_REG(u8 reg)
717 {
718 return lm93_interval_map[reg & 0x0f];
719 }
720
721 /* round up to nearest match */
722 static u8 LM93_INTERVAL_TO_REG(long interval)
723 {
724 int i;
725 for (i = 0; i < 9; i++)
726 if (interval <= lm93_interval_map[i])
727 break;
728
729 /* can fall through with i==9 */
730 return (u8)i;
731 }
732
733 /*
734 * GPIO: 0-255, GPIO0 is LSB
735 * REG: inverted
736 */
737 static unsigned LM93_GPI_FROM_REG(u8 reg)
738 {
739 return ~reg & 0xff;
740 }
741
742 /*
743 * alarm bitmask definitions
744 * The LM93 has nearly 64 bits of error status... I've pared that down to
745 * what I think is a useful subset in order to fit it into 32 bits.
746 *
747 * Especially note that the #VRD_HOT alarms are missing because we provide
748 * that information as values in another sysfs file.
749 *
750 * If libsensors is extended to support 64 bit values, this could be revisited.
751 */
752 #define LM93_ALARM_IN1 0x00000001
753 #define LM93_ALARM_IN2 0x00000002
754 #define LM93_ALARM_IN3 0x00000004
755 #define LM93_ALARM_IN4 0x00000008
756 #define LM93_ALARM_IN5 0x00000010
757 #define LM93_ALARM_IN6 0x00000020
758 #define LM93_ALARM_IN7 0x00000040
759 #define LM93_ALARM_IN8 0x00000080
760 #define LM93_ALARM_IN9 0x00000100
761 #define LM93_ALARM_IN10 0x00000200
762 #define LM93_ALARM_IN11 0x00000400
763 #define LM93_ALARM_IN12 0x00000800
764 #define LM93_ALARM_IN13 0x00001000
765 #define LM93_ALARM_IN14 0x00002000
766 #define LM93_ALARM_IN15 0x00004000
767 #define LM93_ALARM_IN16 0x00008000
768 #define LM93_ALARM_FAN1 0x00010000
769 #define LM93_ALARM_FAN2 0x00020000
770 #define LM93_ALARM_FAN3 0x00040000
771 #define LM93_ALARM_FAN4 0x00080000
772 #define LM93_ALARM_PH1_ERR 0x00100000
773 #define LM93_ALARM_PH2_ERR 0x00200000
774 #define LM93_ALARM_SCSI1_ERR 0x00400000
775 #define LM93_ALARM_SCSI2_ERR 0x00800000
776 #define LM93_ALARM_DVDDP1_ERR 0x01000000
777 #define LM93_ALARM_DVDDP2_ERR 0x02000000
778 #define LM93_ALARM_D1_ERR 0x04000000
779 #define LM93_ALARM_D2_ERR 0x08000000
780 #define LM93_ALARM_TEMP1 0x10000000
781 #define LM93_ALARM_TEMP2 0x20000000
782 #define LM93_ALARM_TEMP3 0x40000000
783
784 static unsigned LM93_ALARMS_FROM_REG(struct block1_t b1)
785 {
786 unsigned result;
787 result = b1.host_status_2 & 0x3f;
788
789 if (vccp_limit_type[0])
790 result |= (b1.host_status_4 & 0x10) << 2;
791 else
792 result |= b1.host_status_2 & 0x40;
793
794 if (vccp_limit_type[1])
795 result |= (b1.host_status_4 & 0x20) << 2;
796 else
797 result |= b1.host_status_2 & 0x80;
798
799 result |= b1.host_status_3 << 8;
800 result |= (b1.fan_status & 0x0f) << 16;
801 result |= (b1.p1_prochot_status & 0x80) << 13;
802 result |= (b1.p2_prochot_status & 0x80) << 14;
803 result |= (b1.host_status_4 & 0xfc) << 20;
804 result |= (b1.host_status_1 & 0x07) << 28;
805 return result;
806 }
807
808 #define MAX_RETRIES 5
809
810 static u8 lm93_read_byte(struct i2c_client *client, u8 reg)
811 {
812 int value, i;
813
814 /* retry in case of read errors */
815 for (i = 1; i <= MAX_RETRIES; i++) {
816 value = i2c_smbus_read_byte_data(client, reg);
817 if (value >= 0) {
818 return value;
819 } else {
820 dev_warn(&client->dev, "lm93: read byte data failed, "
821 "address 0x%02x.\n", reg);
822 mdelay(i + 3);
823 }
824
825 }
826
827 /* <TODO> what to return in case of error? */
828 dev_err(&client->dev, "lm93: All read byte retries failed!!\n");
829 return 0;
830 }
831
832 static int lm93_write_byte(struct i2c_client *client, u8 reg, u8 value)
833 {
834 int result;
835
836 /* <TODO> how to handle write errors? */
837 result = i2c_smbus_write_byte_data(client, reg, value);
838
839 if (result < 0)
840 dev_warn(&client->dev, "lm93: write byte data failed, "
841 "0x%02x at address 0x%02x.\n", value, reg);
842
843 return result;
844 }
845
846 static u16 lm93_read_word(struct i2c_client *client, u8 reg)
847 {
848 int value, i;
849
850 /* retry in case of read errors */
851 for (i = 1; i <= MAX_RETRIES; i++) {
852 value = i2c_smbus_read_word_data(client, reg);
853 if (value >= 0) {
854 return value;
855 } else {
856 dev_warn(&client->dev, "lm93: read word data failed, "
857 "address 0x%02x.\n", reg);
858 mdelay(i + 3);
859 }
860
861 }
862
863 /* <TODO> what to return in case of error? */
864 dev_err(&client->dev, "lm93: All read word retries failed!!\n");
865 return 0;
866 }
867
868 static int lm93_write_word(struct i2c_client *client, u8 reg, u16 value)
869 {
870 int result;
871
872 /* <TODO> how to handle write errors? */
873 result = i2c_smbus_write_word_data(client, reg, value);
874
875 if (result < 0)
876 dev_warn(&client->dev, "lm93: write word data failed, "
877 "0x%04x at address 0x%02x.\n", value, reg);
878
879 return result;
880 }
881
882 static u8 lm93_block_buffer[I2C_SMBUS_BLOCK_MAX];
883
884 /*
885 * read block data into values, retry if not expected length
886 * fbn => index to lm93_block_read_cmds table
887 * (Fixed Block Number - section 14.5.2 of LM93 datasheet)
888 */
889 static void lm93_read_block(struct i2c_client *client, u8 fbn, u8 *values)
890 {
891 int i, result = 0;
892
893 for (i = 1; i <= MAX_RETRIES; i++) {
894 result = i2c_smbus_read_block_data(client,
895 lm93_block_read_cmds[fbn].cmd, lm93_block_buffer);
896
897 if (result == lm93_block_read_cmds[fbn].len) {
898 break;
899 } else {
900 dev_warn(&client->dev, "lm93: block read data failed, "
901 "command 0x%02x.\n",
902 lm93_block_read_cmds[fbn].cmd);
903 mdelay(i + 3);
904 }
905 }
906
907 if (result == lm93_block_read_cmds[fbn].len) {
908 memcpy(values, lm93_block_buffer,
909 lm93_block_read_cmds[fbn].len);
910 } else {
911 /* <TODO> what to do in case of error? */
912 }
913 }
914
915 static struct lm93_data *lm93_update_device(struct device *dev)
916 {
917 struct i2c_client *client = to_i2c_client(dev);
918 struct lm93_data *data = i2c_get_clientdata(client);
919 const unsigned long interval = HZ + (HZ / 2);
920
921 mutex_lock(&data->update_lock);
922
923 if (time_after(jiffies, data->last_updated + interval) ||
924 !data->valid) {
925
926 data->update(data, client);
927 data->last_updated = jiffies;
928 data->valid = 1;
929 }
930
931 mutex_unlock(&data->update_lock);
932 return data;
933 }
934
935 /* update routine for data that has no corresponding SMBus block command */
936 static void lm93_update_client_common(struct lm93_data *data,
937 struct i2c_client *client)
938 {
939 int i;
940 u8 *ptr;
941
942 /* temp1 - temp4: limits */
943 for (i = 0; i < 4; i++) {
944 data->temp_lim[i].min =
945 lm93_read_byte(client, LM93_REG_TEMP_MIN(i));
946 data->temp_lim[i].max =
947 lm93_read_byte(client, LM93_REG_TEMP_MAX(i));
948 }
949
950 /* config register */
951 data->config = lm93_read_byte(client, LM93_REG_CONFIG);
952
953 /* vid1 - vid2: values */
954 for (i = 0; i < 2; i++)
955 data->vid[i] = lm93_read_byte(client, LM93_REG_VID(i));
956
957 /* prochot1 - prochot2: limits */
958 for (i = 0; i < 2; i++)
959 data->prochot_max[i] = lm93_read_byte(client,
960 LM93_REG_PROCHOT_MAX(i));
961
962 /* vccp1 - vccp2: VID relative limits */
963 for (i = 0; i < 2; i++)
964 data->vccp_limits[i] = lm93_read_byte(client,
965 LM93_REG_VCCP_LIMIT_OFF(i));
966
967 /* GPIO input state */
968 data->gpi = lm93_read_byte(client, LM93_REG_GPI);
969
970 /* #PROCHOT override state */
971 data->prochot_override = lm93_read_byte(client,
972 LM93_REG_PROCHOT_OVERRIDE);
973
974 /* #PROCHOT intervals */
975 data->prochot_interval = lm93_read_byte(client,
976 LM93_REG_PROCHOT_INTERVAL);
977
978 /* Fan Boost Temperature registers */
979 for (i = 0; i < 4; i++)
980 data->boost[i] = lm93_read_byte(client, LM93_REG_BOOST(i));
981
982 /* Fan Boost Temperature Hyst. registers */
983 data->boost_hyst[0] = lm93_read_byte(client, LM93_REG_BOOST_HYST_12);
984 data->boost_hyst[1] = lm93_read_byte(client, LM93_REG_BOOST_HYST_34);
985
986 /* Temperature Zone Min. PWM & Hysteresis registers */
987 data->auto_pwm_min_hyst[0] =
988 lm93_read_byte(client, LM93_REG_PWM_MIN_HYST_12);
989 data->auto_pwm_min_hyst[1] =
990 lm93_read_byte(client, LM93_REG_PWM_MIN_HYST_34);
991
992 /* #PROCHOT & #VRDHOT PWM Ramp Control register */
993 data->pwm_ramp_ctl = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL);
994
995 /* misc setup registers */
996 data->sfc1 = lm93_read_byte(client, LM93_REG_SFC1);
997 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
998 data->sf_tach_to_pwm = lm93_read_byte(client,
999 LM93_REG_SF_TACH_TO_PWM);
1000
1001 /* write back alarm values to clear */
1002 for (i = 0, ptr = (u8 *)(&data->block1); i < 8; i++)
1003 lm93_write_byte(client, LM93_REG_HOST_ERROR_1 + i, *(ptr + i));
1004 }
1005
1006 /* update routine which uses SMBus block data commands */
1007 static void lm93_update_client_full(struct lm93_data *data,
1008 struct i2c_client *client)
1009 {
1010 dev_dbg(&client->dev, "starting device update (block data enabled)\n");
1011
1012 /* in1 - in16: values & limits */
1013 lm93_read_block(client, 3, (u8 *)(data->block3));
1014 lm93_read_block(client, 7, (u8 *)(data->block7));
1015
1016 /* temp1 - temp4: values */
1017 lm93_read_block(client, 2, (u8 *)(data->block2));
1018
1019 /* prochot1 - prochot2: values */
1020 lm93_read_block(client, 4, (u8 *)(data->block4));
1021
1022 /* fan1 - fan4: values & limits */
1023 lm93_read_block(client, 5, (u8 *)(data->block5));
1024 lm93_read_block(client, 8, (u8 *)(data->block8));
1025
1026 /* pmw control registers */
1027 lm93_read_block(client, 9, (u8 *)(data->block9));
1028
1029 /* alarm values */
1030 lm93_read_block(client, 1, (u8 *)(&data->block1));
1031
1032 /* auto/pwm registers */
1033 lm93_read_block(client, 10, (u8 *)(&data->block10));
1034
1035 lm93_update_client_common(data, client);
1036 }
1037
1038 /* update routine which uses SMBus byte/word data commands only */
1039 static void lm93_update_client_min(struct lm93_data *data,
1040 struct i2c_client *client)
1041 {
1042 int i, j;
1043 u8 *ptr;
1044
1045 dev_dbg(&client->dev, "starting device update (block data disabled)\n");
1046
1047 /* in1 - in16: values & limits */
1048 for (i = 0; i < 16; i++) {
1049 data->block3[i] =
1050 lm93_read_byte(client, LM93_REG_IN(i));
1051 data->block7[i].min =
1052 lm93_read_byte(client, LM93_REG_IN_MIN(i));
1053 data->block7[i].max =
1054 lm93_read_byte(client, LM93_REG_IN_MAX(i));
1055 }
1056
1057 /* temp1 - temp4: values */
1058 for (i = 0; i < 4; i++) {
1059 data->block2[i] =
1060 lm93_read_byte(client, LM93_REG_TEMP(i));
1061 }
1062
1063 /* prochot1 - prochot2: values */
1064 for (i = 0; i < 2; i++) {
1065 data->block4[i].cur =
1066 lm93_read_byte(client, LM93_REG_PROCHOT_CUR(i));
1067 data->block4[i].avg =
1068 lm93_read_byte(client, LM93_REG_PROCHOT_AVG(i));
1069 }
1070
1071 /* fan1 - fan4: values & limits */
1072 for (i = 0; i < 4; i++) {
1073 data->block5[i] =
1074 lm93_read_word(client, LM93_REG_FAN(i));
1075 data->block8[i] =
1076 lm93_read_word(client, LM93_REG_FAN_MIN(i));
1077 }
1078
1079 /* pwm control registers */
1080 for (i = 0; i < 2; i++) {
1081 for (j = 0; j < 4; j++) {
1082 data->block9[i][j] =
1083 lm93_read_byte(client, LM93_REG_PWM_CTL(i, j));
1084 }
1085 }
1086
1087 /* alarm values */
1088 for (i = 0, ptr = (u8 *)(&data->block1); i < 8; i++) {
1089 *(ptr + i) =
1090 lm93_read_byte(client, LM93_REG_HOST_ERROR_1 + i);
1091 }
1092
1093 /* auto/pwm (base temp) registers */
1094 for (i = 0; i < 4; i++) {
1095 data->block10.base[i] =
1096 lm93_read_byte(client, LM93_REG_TEMP_BASE(i));
1097 }
1098
1099 /* auto/pwm (offset temp) registers */
1100 for (i = 0; i < 12; i++) {
1101 data->block10.offset[i] =
1102 lm93_read_byte(client, LM93_REG_TEMP_OFFSET(i));
1103 }
1104
1105 lm93_update_client_common(data, client);
1106 }
1107
1108 /* following are the sysfs callback functions */
1109 static ssize_t show_in(struct device *dev, struct device_attribute *attr,
1110 char *buf)
1111 {
1112 int nr = (to_sensor_dev_attr(attr))->index;
1113
1114 struct lm93_data *data = lm93_update_device(dev);
1115 return sprintf(buf, "%d\n", LM93_IN_FROM_REG(nr, data->block3[nr]));
1116 }
1117
1118 static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 0);
1119 static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 1);
1120 static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 2);
1121 static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 3);
1122 static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 4);
1123 static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 5);
1124 static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 6);
1125 static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 7);
1126 static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_in, NULL, 8);
1127 static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_in, NULL, 9);
1128 static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, show_in, NULL, 10);
1129 static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, show_in, NULL, 11);
1130 static SENSOR_DEVICE_ATTR(in13_input, S_IRUGO, show_in, NULL, 12);
1131 static SENSOR_DEVICE_ATTR(in14_input, S_IRUGO, show_in, NULL, 13);
1132 static SENSOR_DEVICE_ATTR(in15_input, S_IRUGO, show_in, NULL, 14);
1133 static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in, NULL, 15);
1134
1135 static ssize_t show_in_min(struct device *dev,
1136 struct device_attribute *attr, char *buf)
1137 {
1138 int nr = (to_sensor_dev_attr(attr))->index;
1139 struct lm93_data *data = lm93_update_device(dev);
1140 int vccp = nr - 6;
1141 long rc, vid;
1142
1143 if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) {
1144 vid = LM93_VID_FROM_REG(data->vid[vccp]);
1145 rc = LM93_IN_MIN_FROM_REG(data->vccp_limits[vccp], vid);
1146 } else {
1147 rc = LM93_IN_FROM_REG(nr, data->block7[nr].min);
1148 }
1149 return sprintf(buf, "%ld\n", rc);
1150 }
1151
1152 static ssize_t store_in_min(struct device *dev, struct device_attribute *attr,
1153 const char *buf, size_t count)
1154 {
1155 int nr = (to_sensor_dev_attr(attr))->index;
1156 struct i2c_client *client = to_i2c_client(dev);
1157 struct lm93_data *data = i2c_get_clientdata(client);
1158 int vccp = nr - 6;
1159 long vid;
1160 unsigned long val;
1161 int err;
1162
1163 err = kstrtoul(buf, 10, &val);
1164 if (err)
1165 return err;
1166
1167 mutex_lock(&data->update_lock);
1168 if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) {
1169 vid = LM93_VID_FROM_REG(data->vid[vccp]);
1170 data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0xf0) |
1171 LM93_IN_REL_TO_REG(val, 0, vid);
1172 lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp),
1173 data->vccp_limits[vccp]);
1174 } else {
1175 data->block7[nr].min = LM93_IN_TO_REG(nr, val);
1176 lm93_write_byte(client, LM93_REG_IN_MIN(nr),
1177 data->block7[nr].min);
1178 }
1179 mutex_unlock(&data->update_lock);
1180 return count;
1181 }
1182
1183 static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO,
1184 show_in_min, store_in_min, 0);
1185 static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO,
1186 show_in_min, store_in_min, 1);
1187 static SENSOR_DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO,
1188 show_in_min, store_in_min, 2);
1189 static SENSOR_DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO,
1190 show_in_min, store_in_min, 3);
1191 static SENSOR_DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO,
1192 show_in_min, store_in_min, 4);
1193 static SENSOR_DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO,
1194 show_in_min, store_in_min, 5);
1195 static SENSOR_DEVICE_ATTR(in7_min, S_IWUSR | S_IRUGO,
1196 show_in_min, store_in_min, 6);
1197 static SENSOR_DEVICE_ATTR(in8_min, S_IWUSR | S_IRUGO,
1198 show_in_min, store_in_min, 7);
1199 static SENSOR_DEVICE_ATTR(in9_min, S_IWUSR | S_IRUGO,
1200 show_in_min, store_in_min, 8);
1201 static SENSOR_DEVICE_ATTR(in10_min, S_IWUSR | S_IRUGO,
1202 show_in_min, store_in_min, 9);
1203 static SENSOR_DEVICE_ATTR(in11_min, S_IWUSR | S_IRUGO,
1204 show_in_min, store_in_min, 10);
1205 static SENSOR_DEVICE_ATTR(in12_min, S_IWUSR | S_IRUGO,
1206 show_in_min, store_in_min, 11);
1207 static SENSOR_DEVICE_ATTR(in13_min, S_IWUSR | S_IRUGO,
1208 show_in_min, store_in_min, 12);
1209 static SENSOR_DEVICE_ATTR(in14_min, S_IWUSR | S_IRUGO,
1210 show_in_min, store_in_min, 13);
1211 static SENSOR_DEVICE_ATTR(in15_min, S_IWUSR | S_IRUGO,
1212 show_in_min, store_in_min, 14);
1213 static SENSOR_DEVICE_ATTR(in16_min, S_IWUSR | S_IRUGO,
1214 show_in_min, store_in_min, 15);
1215
1216 static ssize_t show_in_max(struct device *dev,
1217 struct device_attribute *attr, char *buf)
1218 {
1219 int nr = (to_sensor_dev_attr(attr))->index;
1220 struct lm93_data *data = lm93_update_device(dev);
1221 int vccp = nr - 6;
1222 long rc, vid;
1223
1224 if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) {
1225 vid = LM93_VID_FROM_REG(data->vid[vccp]);
1226 rc = LM93_IN_MAX_FROM_REG(data->vccp_limits[vccp], vid);
1227 } else {
1228 rc = LM93_IN_FROM_REG(nr, data->block7[nr].max);
1229 }
1230 return sprintf(buf, "%ld\n", rc);
1231 }
1232
1233 static ssize_t store_in_max(struct device *dev, struct device_attribute *attr,
1234 const char *buf, size_t count)
1235 {
1236 int nr = (to_sensor_dev_attr(attr))->index;
1237 struct i2c_client *client = to_i2c_client(dev);
1238 struct lm93_data *data = i2c_get_clientdata(client);
1239 int vccp = nr - 6;
1240 long vid;
1241 unsigned long val;
1242 int err;
1243
1244 err = kstrtoul(buf, 10, &val);
1245 if (err)
1246 return err;
1247
1248 mutex_lock(&data->update_lock);
1249 if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) {
1250 vid = LM93_VID_FROM_REG(data->vid[vccp]);
1251 data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0x0f) |
1252 LM93_IN_REL_TO_REG(val, 1, vid);
1253 lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp),
1254 data->vccp_limits[vccp]);
1255 } else {
1256 data->block7[nr].max = LM93_IN_TO_REG(nr, val);
1257 lm93_write_byte(client, LM93_REG_IN_MAX(nr),
1258 data->block7[nr].max);
1259 }
1260 mutex_unlock(&data->update_lock);
1261 return count;
1262 }
1263
1264 static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO,
1265 show_in_max, store_in_max, 0);
1266 static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO,
1267 show_in_max, store_in_max, 1);
1268 static SENSOR_DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO,
1269 show_in_max, store_in_max, 2);
1270 static SENSOR_DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO,
1271 show_in_max, store_in_max, 3);
1272 static SENSOR_DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO,
1273 show_in_max, store_in_max, 4);
1274 static SENSOR_DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO,
1275 show_in_max, store_in_max, 5);
1276 static SENSOR_DEVICE_ATTR(in7_max, S_IWUSR | S_IRUGO,
1277 show_in_max, store_in_max, 6);
1278 static SENSOR_DEVICE_ATTR(in8_max, S_IWUSR | S_IRUGO,
1279 show_in_max, store_in_max, 7);
1280 static SENSOR_DEVICE_ATTR(in9_max, S_IWUSR | S_IRUGO,
1281 show_in_max, store_in_max, 8);
1282 static SENSOR_DEVICE_ATTR(in10_max, S_IWUSR | S_IRUGO,
1283 show_in_max, store_in_max, 9);
1284 static SENSOR_DEVICE_ATTR(in11_max, S_IWUSR | S_IRUGO,
1285 show_in_max, store_in_max, 10);
1286 static SENSOR_DEVICE_ATTR(in12_max, S_IWUSR | S_IRUGO,
1287 show_in_max, store_in_max, 11);
1288 static SENSOR_DEVICE_ATTR(in13_max, S_IWUSR | S_IRUGO,
1289 show_in_max, store_in_max, 12);
1290 static SENSOR_DEVICE_ATTR(in14_max, S_IWUSR | S_IRUGO,
1291 show_in_max, store_in_max, 13);
1292 static SENSOR_DEVICE_ATTR(in15_max, S_IWUSR | S_IRUGO,
1293 show_in_max, store_in_max, 14);
1294 static SENSOR_DEVICE_ATTR(in16_max, S_IWUSR | S_IRUGO,
1295 show_in_max, store_in_max, 15);
1296
1297 static ssize_t show_temp(struct device *dev,
1298 struct device_attribute *attr, char *buf)
1299 {
1300 int nr = (to_sensor_dev_attr(attr))->index;
1301 struct lm93_data *data = lm93_update_device(dev);
1302 return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->block2[nr]));
1303 }
1304
1305 static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
1306 static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
1307 static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
1308
1309 static ssize_t show_temp_min(struct device *dev,
1310 struct device_attribute *attr, char *buf)
1311 {
1312 int nr = (to_sensor_dev_attr(attr))->index;
1313 struct lm93_data *data = lm93_update_device(dev);
1314 return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->temp_lim[nr].min));
1315 }
1316
1317 static ssize_t store_temp_min(struct device *dev, struct device_attribute *attr,
1318 const char *buf, size_t count)
1319 {
1320 int nr = (to_sensor_dev_attr(attr))->index;
1321 struct i2c_client *client = to_i2c_client(dev);
1322 struct lm93_data *data = i2c_get_clientdata(client);
1323 long val;
1324 int err;
1325
1326 err = kstrtol(buf, 10, &val);
1327 if (err)
1328 return err;
1329
1330 mutex_lock(&data->update_lock);
1331 data->temp_lim[nr].min = LM93_TEMP_TO_REG(val);
1332 lm93_write_byte(client, LM93_REG_TEMP_MIN(nr), data->temp_lim[nr].min);
1333 mutex_unlock(&data->update_lock);
1334 return count;
1335 }
1336
1337 static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO,
1338 show_temp_min, store_temp_min, 0);
1339 static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO,
1340 show_temp_min, store_temp_min, 1);
1341 static SENSOR_DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO,
1342 show_temp_min, store_temp_min, 2);
1343
1344 static ssize_t show_temp_max(struct device *dev,
1345 struct device_attribute *attr, char *buf)
1346 {
1347 int nr = (to_sensor_dev_attr(attr))->index;
1348 struct lm93_data *data = lm93_update_device(dev);
1349 return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->temp_lim[nr].max));
1350 }
1351
1352 static ssize_t store_temp_max(struct device *dev, struct device_attribute *attr,
1353 const char *buf, size_t count)
1354 {
1355 int nr = (to_sensor_dev_attr(attr))->index;
1356 struct i2c_client *client = to_i2c_client(dev);
1357 struct lm93_data *data = i2c_get_clientdata(client);
1358 long val;
1359 int err;
1360
1361 err = kstrtol(buf, 10, &val);
1362 if (err)
1363 return err;
1364
1365 mutex_lock(&data->update_lock);
1366 data->temp_lim[nr].max = LM93_TEMP_TO_REG(val);
1367 lm93_write_byte(client, LM93_REG_TEMP_MAX(nr), data->temp_lim[nr].max);
1368 mutex_unlock(&data->update_lock);
1369 return count;
1370 }
1371
1372 static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO,
1373 show_temp_max, store_temp_max, 0);
1374 static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO,
1375 show_temp_max, store_temp_max, 1);
1376 static SENSOR_DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO,
1377 show_temp_max, store_temp_max, 2);
1378
1379 static ssize_t show_temp_auto_base(struct device *dev,
1380 struct device_attribute *attr, char *buf)
1381 {
1382 int nr = (to_sensor_dev_attr(attr))->index;
1383 struct lm93_data *data = lm93_update_device(dev);
1384 return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->block10.base[nr]));
1385 }
1386
1387 static ssize_t store_temp_auto_base(struct device *dev,
1388 struct device_attribute *attr,
1389 const char *buf, size_t count)
1390 {
1391 int nr = (to_sensor_dev_attr(attr))->index;
1392 struct i2c_client *client = to_i2c_client(dev);
1393 struct lm93_data *data = i2c_get_clientdata(client);
1394 long val;
1395 int err;
1396
1397 err = kstrtol(buf, 10, &val);
1398 if (err)
1399 return err;
1400
1401 mutex_lock(&data->update_lock);
1402 data->block10.base[nr] = LM93_TEMP_TO_REG(val);
1403 lm93_write_byte(client, LM93_REG_TEMP_BASE(nr), data->block10.base[nr]);
1404 mutex_unlock(&data->update_lock);
1405 return count;
1406 }
1407
1408 static SENSOR_DEVICE_ATTR(temp1_auto_base, S_IWUSR | S_IRUGO,
1409 show_temp_auto_base, store_temp_auto_base, 0);
1410 static SENSOR_DEVICE_ATTR(temp2_auto_base, S_IWUSR | S_IRUGO,
1411 show_temp_auto_base, store_temp_auto_base, 1);
1412 static SENSOR_DEVICE_ATTR(temp3_auto_base, S_IWUSR | S_IRUGO,
1413 show_temp_auto_base, store_temp_auto_base, 2);
1414
1415 static ssize_t show_temp_auto_boost(struct device *dev,
1416 struct device_attribute *attr, char *buf)
1417 {
1418 int nr = (to_sensor_dev_attr(attr))->index;
1419 struct lm93_data *data = lm93_update_device(dev);
1420 return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->boost[nr]));
1421 }
1422
1423 static ssize_t store_temp_auto_boost(struct device *dev,
1424 struct device_attribute *attr,
1425 const char *buf, size_t count)
1426 {
1427 int nr = (to_sensor_dev_attr(attr))->index;
1428 struct i2c_client *client = to_i2c_client(dev);
1429 struct lm93_data *data = i2c_get_clientdata(client);
1430 long val;
1431 int err;
1432
1433 err = kstrtol(buf, 10, &val);
1434 if (err)
1435 return err;
1436
1437 mutex_lock(&data->update_lock);
1438 data->boost[nr] = LM93_TEMP_TO_REG(val);
1439 lm93_write_byte(client, LM93_REG_BOOST(nr), data->boost[nr]);
1440 mutex_unlock(&data->update_lock);
1441 return count;
1442 }
1443
1444 static SENSOR_DEVICE_ATTR(temp1_auto_boost, S_IWUSR | S_IRUGO,
1445 show_temp_auto_boost, store_temp_auto_boost, 0);
1446 static SENSOR_DEVICE_ATTR(temp2_auto_boost, S_IWUSR | S_IRUGO,
1447 show_temp_auto_boost, store_temp_auto_boost, 1);
1448 static SENSOR_DEVICE_ATTR(temp3_auto_boost, S_IWUSR | S_IRUGO,
1449 show_temp_auto_boost, store_temp_auto_boost, 2);
1450
1451 static ssize_t show_temp_auto_boost_hyst(struct device *dev,
1452 struct device_attribute *attr,
1453 char *buf)
1454 {
1455 int nr = (to_sensor_dev_attr(attr))->index;
1456 struct lm93_data *data = lm93_update_device(dev);
1457 int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);
1458 return sprintf(buf, "%d\n",
1459 LM93_AUTO_BOOST_HYST_FROM_REGS(data, nr, mode));
1460 }
1461
1462 static ssize_t store_temp_auto_boost_hyst(struct device *dev,
1463 struct device_attribute *attr,
1464 const char *buf, size_t count)
1465 {
1466 int nr = (to_sensor_dev_attr(attr))->index;
1467 struct i2c_client *client = to_i2c_client(dev);
1468 struct lm93_data *data = i2c_get_clientdata(client);
1469 unsigned long val;
1470 int err;
1471
1472 err = kstrtoul(buf, 10, &val);
1473 if (err)
1474 return err;
1475
1476 mutex_lock(&data->update_lock);
1477 /* force 0.5C/bit mode */
1478 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
1479 data->sfc2 |= ((nr < 2) ? 0x10 : 0x20);
1480 lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);
1481 data->boost_hyst[nr/2] = LM93_AUTO_BOOST_HYST_TO_REG(data, val, nr, 1);
1482 lm93_write_byte(client, LM93_REG_BOOST_HYST(nr),
1483 data->boost_hyst[nr/2]);
1484 mutex_unlock(&data->update_lock);
1485 return count;
1486 }
1487
1488 static SENSOR_DEVICE_ATTR(temp1_auto_boost_hyst, S_IWUSR | S_IRUGO,
1489 show_temp_auto_boost_hyst,
1490 store_temp_auto_boost_hyst, 0);
1491 static SENSOR_DEVICE_ATTR(temp2_auto_boost_hyst, S_IWUSR | S_IRUGO,
1492 show_temp_auto_boost_hyst,
1493 store_temp_auto_boost_hyst, 1);
1494 static SENSOR_DEVICE_ATTR(temp3_auto_boost_hyst, S_IWUSR | S_IRUGO,
1495 show_temp_auto_boost_hyst,
1496 store_temp_auto_boost_hyst, 2);
1497
1498 static ssize_t show_temp_auto_offset(struct device *dev,
1499 struct device_attribute *attr, char *buf)
1500 {
1501 struct sensor_device_attribute_2 *s_attr = to_sensor_dev_attr_2(attr);
1502 int nr = s_attr->index;
1503 int ofs = s_attr->nr;
1504 struct lm93_data *data = lm93_update_device(dev);
1505 int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);
1506 return sprintf(buf, "%d\n",
1507 LM93_TEMP_AUTO_OFFSET_FROM_REG(data->block10.offset[ofs],
1508 nr, mode));
1509 }
1510
1511 static ssize_t store_temp_auto_offset(struct device *dev,
1512 struct device_attribute *attr,
1513 const char *buf, size_t count)
1514 {
1515 struct sensor_device_attribute_2 *s_attr = to_sensor_dev_attr_2(attr);
1516 int nr = s_attr->index;
1517 int ofs = s_attr->nr;
1518 struct i2c_client *client = to_i2c_client(dev);
1519 struct lm93_data *data = i2c_get_clientdata(client);
1520 unsigned long val;
1521 int err;
1522
1523 err = kstrtoul(buf, 10, &val);
1524 if (err)
1525 return err;
1526
1527 mutex_lock(&data->update_lock);
1528 /* force 0.5C/bit mode */
1529 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
1530 data->sfc2 |= ((nr < 2) ? 0x10 : 0x20);
1531 lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);
1532 data->block10.offset[ofs] = LM93_TEMP_AUTO_OFFSET_TO_REG(
1533 data->block10.offset[ofs], val, nr, 1);
1534 lm93_write_byte(client, LM93_REG_TEMP_OFFSET(ofs),
1535 data->block10.offset[ofs]);
1536 mutex_unlock(&data->update_lock);
1537 return count;
1538 }
1539
1540 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset1, S_IWUSR | S_IRUGO,
1541 show_temp_auto_offset, store_temp_auto_offset, 0, 0);
1542 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset2, S_IWUSR | S_IRUGO,
1543 show_temp_auto_offset, store_temp_auto_offset, 1, 0);
1544 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset3, S_IWUSR | S_IRUGO,
1545 show_temp_auto_offset, store_temp_auto_offset, 2, 0);
1546 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset4, S_IWUSR | S_IRUGO,
1547 show_temp_auto_offset, store_temp_auto_offset, 3, 0);
1548 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset5, S_IWUSR | S_IRUGO,
1549 show_temp_auto_offset, store_temp_auto_offset, 4, 0);
1550 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset6, S_IWUSR | S_IRUGO,
1551 show_temp_auto_offset, store_temp_auto_offset, 5, 0);
1552 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset7, S_IWUSR | S_IRUGO,
1553 show_temp_auto_offset, store_temp_auto_offset, 6, 0);
1554 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset8, S_IWUSR | S_IRUGO,
1555 show_temp_auto_offset, store_temp_auto_offset, 7, 0);
1556 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset9, S_IWUSR | S_IRUGO,
1557 show_temp_auto_offset, store_temp_auto_offset, 8, 0);
1558 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset10, S_IWUSR | S_IRUGO,
1559 show_temp_auto_offset, store_temp_auto_offset, 9, 0);
1560 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset11, S_IWUSR | S_IRUGO,
1561 show_temp_auto_offset, store_temp_auto_offset, 10, 0);
1562 static SENSOR_DEVICE_ATTR_2(temp1_auto_offset12, S_IWUSR | S_IRUGO,
1563 show_temp_auto_offset, store_temp_auto_offset, 11, 0);
1564 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset1, S_IWUSR | S_IRUGO,
1565 show_temp_auto_offset, store_temp_auto_offset, 0, 1);
1566 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset2, S_IWUSR | S_IRUGO,
1567 show_temp_auto_offset, store_temp_auto_offset, 1, 1);
1568 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset3, S_IWUSR | S_IRUGO,
1569 show_temp_auto_offset, store_temp_auto_offset, 2, 1);
1570 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset4, S_IWUSR | S_IRUGO,
1571 show_temp_auto_offset, store_temp_auto_offset, 3, 1);
1572 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset5, S_IWUSR | S_IRUGO,
1573 show_temp_auto_offset, store_temp_auto_offset, 4, 1);
1574 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset6, S_IWUSR | S_IRUGO,
1575 show_temp_auto_offset, store_temp_auto_offset, 5, 1);
1576 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset7, S_IWUSR | S_IRUGO,
1577 show_temp_auto_offset, store_temp_auto_offset, 6, 1);
1578 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset8, S_IWUSR | S_IRUGO,
1579 show_temp_auto_offset, store_temp_auto_offset, 7, 1);
1580 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset9, S_IWUSR | S_IRUGO,
1581 show_temp_auto_offset, store_temp_auto_offset, 8, 1);
1582 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset10, S_IWUSR | S_IRUGO,
1583 show_temp_auto_offset, store_temp_auto_offset, 9, 1);
1584 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset11, S_IWUSR | S_IRUGO,
1585 show_temp_auto_offset, store_temp_auto_offset, 10, 1);
1586 static SENSOR_DEVICE_ATTR_2(temp2_auto_offset12, S_IWUSR | S_IRUGO,
1587 show_temp_auto_offset, store_temp_auto_offset, 11, 1);
1588 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset1, S_IWUSR | S_IRUGO,
1589 show_temp_auto_offset, store_temp_auto_offset, 0, 2);
1590 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset2, S_IWUSR | S_IRUGO,
1591 show_temp_auto_offset, store_temp_auto_offset, 1, 2);
1592 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset3, S_IWUSR | S_IRUGO,
1593 show_temp_auto_offset, store_temp_auto_offset, 2, 2);
1594 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset4, S_IWUSR | S_IRUGO,
1595 show_temp_auto_offset, store_temp_auto_offset, 3, 2);
1596 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset5, S_IWUSR | S_IRUGO,
1597 show_temp_auto_offset, store_temp_auto_offset, 4, 2);
1598 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset6, S_IWUSR | S_IRUGO,
1599 show_temp_auto_offset, store_temp_auto_offset, 5, 2);
1600 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset7, S_IWUSR | S_IRUGO,
1601 show_temp_auto_offset, store_temp_auto_offset, 6, 2);
1602 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset8, S_IWUSR | S_IRUGO,
1603 show_temp_auto_offset, store_temp_auto_offset, 7, 2);
1604 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset9, S_IWUSR | S_IRUGO,
1605 show_temp_auto_offset, store_temp_auto_offset, 8, 2);
1606 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset10, S_IWUSR | S_IRUGO,
1607 show_temp_auto_offset, store_temp_auto_offset, 9, 2);
1608 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset11, S_IWUSR | S_IRUGO,
1609 show_temp_auto_offset, store_temp_auto_offset, 10, 2);
1610 static SENSOR_DEVICE_ATTR_2(temp3_auto_offset12, S_IWUSR | S_IRUGO,
1611 show_temp_auto_offset, store_temp_auto_offset, 11, 2);
1612
1613 static ssize_t show_temp_auto_pwm_min(struct device *dev,
1614 struct device_attribute *attr, char *buf)
1615 {
1616 int nr = (to_sensor_dev_attr(attr))->index;
1617 u8 reg, ctl4;
1618 struct lm93_data *data = lm93_update_device(dev);
1619 reg = data->auto_pwm_min_hyst[nr/2] >> 4 & 0x0f;
1620 ctl4 = data->block9[nr][LM93_PWM_CTL4];
1621 return sprintf(buf, "%d\n", LM93_PWM_FROM_REG(reg, (ctl4 & 0x07) ?
1622 LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ));
1623 }
1624
1625 static ssize_t store_temp_auto_pwm_min(struct device *dev,
1626 struct device_attribute *attr,
1627 const char *buf, size_t count)
1628 {
1629 int nr = (to_sensor_dev_attr(attr))->index;
1630 struct i2c_client *client = to_i2c_client(dev);
1631 struct lm93_data *data = i2c_get_clientdata(client);
1632 u8 reg, ctl4;
1633 unsigned long val;
1634 int err;
1635
1636 err = kstrtoul(buf, 10, &val);
1637 if (err)
1638 return err;
1639
1640 mutex_lock(&data->update_lock);
1641 reg = lm93_read_byte(client, LM93_REG_PWM_MIN_HYST(nr));
1642 ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
1643 reg = (reg & 0x0f) |
1644 LM93_PWM_TO_REG(val, (ctl4 & 0x07) ?
1645 LM93_PWM_MAP_LO_FREQ :
1646 LM93_PWM_MAP_HI_FREQ) << 4;
1647 data->auto_pwm_min_hyst[nr/2] = reg;
1648 lm93_write_byte(client, LM93_REG_PWM_MIN_HYST(nr), reg);
1649 mutex_unlock(&data->update_lock);
1650 return count;
1651 }
1652
1653 static SENSOR_DEVICE_ATTR(temp1_auto_pwm_min, S_IWUSR | S_IRUGO,
1654 show_temp_auto_pwm_min,
1655 store_temp_auto_pwm_min, 0);
1656 static SENSOR_DEVICE_ATTR(temp2_auto_pwm_min, S_IWUSR | S_IRUGO,
1657 show_temp_auto_pwm_min,
1658 store_temp_auto_pwm_min, 1);
1659 static SENSOR_DEVICE_ATTR(temp3_auto_pwm_min, S_IWUSR | S_IRUGO,
1660 show_temp_auto_pwm_min,
1661 store_temp_auto_pwm_min, 2);
1662
1663 static ssize_t show_temp_auto_offset_hyst(struct device *dev,
1664 struct device_attribute *attr, char *buf)
1665 {
1666 int nr = (to_sensor_dev_attr(attr))->index;
1667 struct lm93_data *data = lm93_update_device(dev);
1668 int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);
1669 return sprintf(buf, "%d\n", LM93_TEMP_OFFSET_FROM_REG(
1670 data->auto_pwm_min_hyst[nr / 2], mode));
1671 }
1672
1673 static ssize_t store_temp_auto_offset_hyst(struct device *dev,
1674 struct device_attribute *attr,
1675 const char *buf, size_t count)
1676 {
1677 int nr = (to_sensor_dev_attr(attr))->index;
1678 struct i2c_client *client = to_i2c_client(dev);
1679 struct lm93_data *data = i2c_get_clientdata(client);
1680 u8 reg;
1681 unsigned long val;
1682 int err;
1683
1684 err = kstrtoul(buf, 10, &val);
1685 if (err)
1686 return err;
1687
1688 mutex_lock(&data->update_lock);
1689 /* force 0.5C/bit mode */
1690 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
1691 data->sfc2 |= ((nr < 2) ? 0x10 : 0x20);
1692 lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);
1693 reg = data->auto_pwm_min_hyst[nr/2];
1694 reg = (reg & 0xf0) | (LM93_TEMP_OFFSET_TO_REG(val, 1) & 0x0f);
1695 data->auto_pwm_min_hyst[nr/2] = reg;
1696 lm93_write_byte(client, LM93_REG_PWM_MIN_HYST(nr), reg);
1697 mutex_unlock(&data->update_lock);
1698 return count;
1699 }
1700
1701 static SENSOR_DEVICE_ATTR(temp1_auto_offset_hyst, S_IWUSR | S_IRUGO,
1702 show_temp_auto_offset_hyst,
1703 store_temp_auto_offset_hyst, 0);
1704 static SENSOR_DEVICE_ATTR(temp2_auto_offset_hyst, S_IWUSR | S_IRUGO,
1705 show_temp_auto_offset_hyst,
1706 store_temp_auto_offset_hyst, 1);
1707 static SENSOR_DEVICE_ATTR(temp3_auto_offset_hyst, S_IWUSR | S_IRUGO,
1708 show_temp_auto_offset_hyst,
1709 store_temp_auto_offset_hyst, 2);
1710
1711 static ssize_t show_fan_input(struct device *dev,
1712 struct device_attribute *attr, char *buf)
1713 {
1714 struct sensor_device_attribute *s_attr = to_sensor_dev_attr(attr);
1715 int nr = s_attr->index;
1716 struct lm93_data *data = lm93_update_device(dev);
1717
1718 return sprintf(buf, "%d\n", LM93_FAN_FROM_REG(data->block5[nr]));
1719 }
1720
1721 static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0);
1722 static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan_input, NULL, 1);
1723 static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan_input, NULL, 2);
1724 static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan_input, NULL, 3);
1725
1726 static ssize_t show_fan_min(struct device *dev,
1727 struct device_attribute *attr, char *buf)
1728 {
1729 int nr = (to_sensor_dev_attr(attr))->index;
1730 struct lm93_data *data = lm93_update_device(dev);
1731
1732 return sprintf(buf, "%d\n", LM93_FAN_FROM_REG(data->block8[nr]));
1733 }
1734
1735 static ssize_t store_fan_min(struct device *dev, struct device_attribute *attr,
1736 const char *buf, size_t count)
1737 {
1738 int nr = (to_sensor_dev_attr(attr))->index;
1739 struct i2c_client *client = to_i2c_client(dev);
1740 struct lm93_data *data = i2c_get_clientdata(client);
1741 unsigned long val;
1742 int err;
1743
1744 err = kstrtoul(buf, 10, &val);
1745 if (err)
1746 return err;
1747
1748 mutex_lock(&data->update_lock);
1749 data->block8[nr] = LM93_FAN_TO_REG(val);
1750 lm93_write_word(client, LM93_REG_FAN_MIN(nr), data->block8[nr]);
1751 mutex_unlock(&data->update_lock);
1752 return count;
1753 }
1754
1755 static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO,
1756 show_fan_min, store_fan_min, 0);
1757 static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO,
1758 show_fan_min, store_fan_min, 1);
1759 static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO,
1760 show_fan_min, store_fan_min, 2);
1761 static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO,
1762 show_fan_min, store_fan_min, 3);
1763
1764 /*
1765 * some tedious bit-twiddling here to deal with the register format:
1766 *
1767 * data->sf_tach_to_pwm: (tach to pwm mapping bits)
1768 *
1769 * bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
1770 * T4:P2 T4:P1 T3:P2 T3:P1 T2:P2 T2:P1 T1:P2 T1:P1
1771 *
1772 * data->sfc2: (enable bits)
1773 *
1774 * bit | 3 | 2 | 1 | 0
1775 * T4 T3 T2 T1
1776 */
1777
1778 static ssize_t show_fan_smart_tach(struct device *dev,
1779 struct device_attribute *attr, char *buf)
1780 {
1781 int nr = (to_sensor_dev_attr(attr))->index;
1782 struct lm93_data *data = lm93_update_device(dev);
1783 long rc = 0;
1784 int mapping;
1785
1786 /* extract the relevant mapping */
1787 mapping = (data->sf_tach_to_pwm >> (nr * 2)) & 0x03;
1788
1789 /* if there's a mapping and it's enabled */
1790 if (mapping && ((data->sfc2 >> nr) & 0x01))
1791 rc = mapping;
1792 return sprintf(buf, "%ld\n", rc);
1793 }
1794
1795 /*
1796 * helper function - must grab data->update_lock before calling
1797 * fan is 0-3, indicating fan1-fan4
1798 */
1799 static void lm93_write_fan_smart_tach(struct i2c_client *client,
1800 struct lm93_data *data, int fan, long value)
1801 {
1802 /* insert the new mapping and write it out */
1803 data->sf_tach_to_pwm = lm93_read_byte(client, LM93_REG_SF_TACH_TO_PWM);
1804 data->sf_tach_to_pwm &= ~(0x3 << fan * 2);
1805 data->sf_tach_to_pwm |= value << fan * 2;
1806 lm93_write_byte(client, LM93_REG_SF_TACH_TO_PWM, data->sf_tach_to_pwm);
1807
1808 /* insert the enable bit and write it out */
1809 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
1810 if (value)
1811 data->sfc2 |= 1 << fan;
1812 else
1813 data->sfc2 &= ~(1 << fan);
1814 lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);
1815 }
1816
1817 static ssize_t store_fan_smart_tach(struct device *dev,
1818 struct device_attribute *attr,
1819 const char *buf, size_t count)
1820 {
1821 int nr = (to_sensor_dev_attr(attr))->index;
1822 struct i2c_client *client = to_i2c_client(dev);
1823 struct lm93_data *data = i2c_get_clientdata(client);
1824 unsigned long val;
1825 int err;
1826
1827 err = kstrtoul(buf, 10, &val);
1828 if (err)
1829 return err;
1830
1831 mutex_lock(&data->update_lock);
1832 /* sanity test, ignore the write otherwise */
1833 if (0 <= val && val <= 2) {
1834 /* can't enable if pwm freq is 22.5KHz */
1835 if (val) {
1836 u8 ctl4 = lm93_read_byte(client,
1837 LM93_REG_PWM_CTL(val - 1, LM93_PWM_CTL4));
1838 if ((ctl4 & 0x07) == 0)
1839 val = 0;
1840 }
1841 lm93_write_fan_smart_tach(client, data, nr, val);
1842 }
1843 mutex_unlock(&data->update_lock);
1844 return count;
1845 }
1846
1847 static SENSOR_DEVICE_ATTR(fan1_smart_tach, S_IWUSR | S_IRUGO,
1848 show_fan_smart_tach, store_fan_smart_tach, 0);
1849 static SENSOR_DEVICE_ATTR(fan2_smart_tach, S_IWUSR | S_IRUGO,
1850 show_fan_smart_tach, store_fan_smart_tach, 1);
1851 static SENSOR_DEVICE_ATTR(fan3_smart_tach, S_IWUSR | S_IRUGO,
1852 show_fan_smart_tach, store_fan_smart_tach, 2);
1853 static SENSOR_DEVICE_ATTR(fan4_smart_tach, S_IWUSR | S_IRUGO,
1854 show_fan_smart_tach, store_fan_smart_tach, 3);
1855
1856 static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
1857 char *buf)
1858 {
1859 int nr = (to_sensor_dev_attr(attr))->index;
1860 struct lm93_data *data = lm93_update_device(dev);
1861 u8 ctl2, ctl4;
1862 long rc;
1863
1864 ctl2 = data->block9[nr][LM93_PWM_CTL2];
1865 ctl4 = data->block9[nr][LM93_PWM_CTL4];
1866 if (ctl2 & 0x01) /* show user commanded value if enabled */
1867 rc = data->pwm_override[nr];
1868 else /* show present h/w value if manual pwm disabled */
1869 rc = LM93_PWM_FROM_REG(ctl2 >> 4, (ctl4 & 0x07) ?
1870 LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ);
1871 return sprintf(buf, "%ld\n", rc);
1872 }
1873
1874 static ssize_t store_pwm(struct device *dev, struct device_attribute *attr,
1875 const char *buf, size_t count)
1876 {
1877 int nr = (to_sensor_dev_attr(attr))->index;
1878 struct i2c_client *client = to_i2c_client(dev);
1879 struct lm93_data *data = i2c_get_clientdata(client);
1880 u8 ctl2, ctl4;
1881 unsigned long val;
1882 int err;
1883
1884 err = kstrtoul(buf, 10, &val);
1885 if (err)
1886 return err;
1887
1888 mutex_lock(&data->update_lock);
1889 ctl2 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2));
1890 ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
1891 ctl2 = (ctl2 & 0x0f) | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ?
1892 LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ) << 4;
1893 /* save user commanded value */
1894 data->pwm_override[nr] = LM93_PWM_FROM_REG(ctl2 >> 4,
1895 (ctl4 & 0x07) ? LM93_PWM_MAP_LO_FREQ :
1896 LM93_PWM_MAP_HI_FREQ);
1897 lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2), ctl2);
1898 mutex_unlock(&data->update_lock);
1899 return count;
1900 }
1901
1902 static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0);
1903 static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1);
1904
1905 static ssize_t show_pwm_enable(struct device *dev,
1906 struct device_attribute *attr, char *buf)
1907 {
1908 int nr = (to_sensor_dev_attr(attr))->index;
1909 struct lm93_data *data = lm93_update_device(dev);
1910 u8 ctl2;
1911 long rc;
1912
1913 ctl2 = data->block9[nr][LM93_PWM_CTL2];
1914 if (ctl2 & 0x01) /* manual override enabled ? */
1915 rc = ((ctl2 & 0xF0) == 0xF0) ? 0 : 1;
1916 else
1917 rc = 2;
1918 return sprintf(buf, "%ld\n", rc);
1919 }
1920
1921 static ssize_t store_pwm_enable(struct device *dev,
1922 struct device_attribute *attr,
1923 const char *buf, size_t count)
1924 {
1925 int nr = (to_sensor_dev_attr(attr))->index;
1926 struct i2c_client *client = to_i2c_client(dev);
1927 struct lm93_data *data = i2c_get_clientdata(client);
1928 u8 ctl2;
1929 unsigned long val;
1930 int err;
1931
1932 err = kstrtoul(buf, 10, &val);
1933 if (err)
1934 return err;
1935
1936 mutex_lock(&data->update_lock);
1937 ctl2 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2));
1938
1939 switch (val) {
1940 case 0:
1941 ctl2 |= 0xF1; /* enable manual override, set PWM to max */
1942 break;
1943 case 1:
1944 ctl2 |= 0x01; /* enable manual override */
1945 break;
1946 case 2:
1947 ctl2 &= ~0x01; /* disable manual override */
1948 break;
1949 default:
1950 mutex_unlock(&data->update_lock);
1951 return -EINVAL;
1952 }
1953
1954 lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2), ctl2);
1955 mutex_unlock(&data->update_lock);
1956 return count;
1957 }
1958
1959 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO,
1960 show_pwm_enable, store_pwm_enable, 0);
1961 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO,
1962 show_pwm_enable, store_pwm_enable, 1);
1963
1964 static ssize_t show_pwm_freq(struct device *dev, struct device_attribute *attr,
1965 char *buf)
1966 {
1967 int nr = (to_sensor_dev_attr(attr))->index;
1968 struct lm93_data *data = lm93_update_device(dev);
1969 u8 ctl4;
1970
1971 ctl4 = data->block9[nr][LM93_PWM_CTL4];
1972 return sprintf(buf, "%d\n", LM93_PWM_FREQ_FROM_REG(ctl4));
1973 }
1974
1975 /*
1976 * helper function - must grab data->update_lock before calling
1977 * pwm is 0-1, indicating pwm1-pwm2
1978 * this disables smart tach for all tach channels bound to the given pwm
1979 */
1980 static void lm93_disable_fan_smart_tach(struct i2c_client *client,
1981 struct lm93_data *data, int pwm)
1982 {
1983 int mapping = lm93_read_byte(client, LM93_REG_SF_TACH_TO_PWM);
1984 int mask;
1985
1986 /* collapse the mapping into a mask of enable bits */
1987 mapping = (mapping >> pwm) & 0x55;
1988 mask = mapping & 0x01;
1989 mask |= (mapping & 0x04) >> 1;
1990 mask |= (mapping & 0x10) >> 2;
1991 mask |= (mapping & 0x40) >> 3;
1992
1993 /* disable smart tach according to the mask */
1994 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
1995 data->sfc2 &= ~mask;
1996 lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);
1997 }
1998
1999 static ssize_t store_pwm_freq(struct device *dev,
2000 struct device_attribute *attr,
2001 const char *buf, size_t count)
2002 {
2003 int nr = (to_sensor_dev_attr(attr))->index;
2004 struct i2c_client *client = to_i2c_client(dev);
2005 struct lm93_data *data = i2c_get_clientdata(client);
2006 u8 ctl4;
2007 unsigned long val;
2008 int err;
2009
2010 err = kstrtoul(buf, 10, &val);
2011 if (err)
2012 return err;
2013
2014 mutex_lock(&data->update_lock);
2015 ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
2016 ctl4 = (ctl4 & 0xf8) | LM93_PWM_FREQ_TO_REG(val);
2017 data->block9[nr][LM93_PWM_CTL4] = ctl4;
2018 /* ctl4 == 0 -> 22.5KHz -> disable smart tach */
2019 if (!ctl4)
2020 lm93_disable_fan_smart_tach(client, data, nr);
2021 lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4), ctl4);
2022 mutex_unlock(&data->update_lock);
2023 return count;
2024 }
2025
2026 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IWUSR | S_IRUGO,
2027 show_pwm_freq, store_pwm_freq, 0);
2028 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IWUSR | S_IRUGO,
2029 show_pwm_freq, store_pwm_freq, 1);
2030
2031 static ssize_t show_pwm_auto_channels(struct device *dev,
2032 struct device_attribute *attr, char *buf)
2033 {
2034 int nr = (to_sensor_dev_attr(attr))->index;
2035 struct lm93_data *data = lm93_update_device(dev);
2036 return sprintf(buf, "%d\n", data->block9[nr][LM93_PWM_CTL1]);
2037 }
2038
2039 static ssize_t store_pwm_auto_channels(struct device *dev,
2040 struct device_attribute *attr,
2041 const char *buf, size_t count)
2042 {
2043 int nr = (to_sensor_dev_attr(attr))->index;
2044 struct i2c_client *client = to_i2c_client(dev);
2045 struct lm93_data *data = i2c_get_clientdata(client);
2046 unsigned long val;
2047 int err;
2048
2049 err = kstrtoul(buf, 10, &val);
2050 if (err)
2051 return err;
2052
2053 mutex_lock(&data->update_lock);
2054 data->block9[nr][LM93_PWM_CTL1] = SENSORS_LIMIT(val, 0, 255);
2055 lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL1),
2056 data->block9[nr][LM93_PWM_CTL1]);
2057 mutex_unlock(&data->update_lock);
2058 return count;
2059 }
2060
2061 static SENSOR_DEVICE_ATTR(pwm1_auto_channels, S_IWUSR | S_IRUGO,
2062 show_pwm_auto_channels, store_pwm_auto_channels, 0);
2063 static SENSOR_DEVICE_ATTR(pwm2_auto_channels, S_IWUSR | S_IRUGO,
2064 show_pwm_auto_channels, store_pwm_auto_channels, 1);
2065
2066 static ssize_t show_pwm_auto_spinup_min(struct device *dev,
2067 struct device_attribute *attr, char *buf)
2068 {
2069 int nr = (to_sensor_dev_attr(attr))->index;
2070 struct lm93_data *data = lm93_update_device(dev);
2071 u8 ctl3, ctl4;
2072
2073 ctl3 = data->block9[nr][LM93_PWM_CTL3];
2074 ctl4 = data->block9[nr][LM93_PWM_CTL4];
2075 return sprintf(buf, "%d\n",
2076 LM93_PWM_FROM_REG(ctl3 & 0x0f, (ctl4 & 0x07) ?
2077 LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ));
2078 }
2079
2080 static ssize_t store_pwm_auto_spinup_min(struct device *dev,
2081 struct device_attribute *attr,
2082 const char *buf, size_t count)
2083 {
2084 int nr = (to_sensor_dev_attr(attr))->index;
2085 struct i2c_client *client = to_i2c_client(dev);
2086 struct lm93_data *data = i2c_get_clientdata(client);
2087 u8 ctl3, ctl4;
2088 unsigned long val;
2089 int err;
2090
2091 err = kstrtoul(buf, 10, &val);
2092 if (err)
2093 return err;
2094
2095 mutex_lock(&data->update_lock);
2096 ctl3 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3));
2097 ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
2098 ctl3 = (ctl3 & 0xf0) | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ?
2099 LM93_PWM_MAP_LO_FREQ :
2100 LM93_PWM_MAP_HI_FREQ);
2101 data->block9[nr][LM93_PWM_CTL3] = ctl3;
2102 lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3);
2103 mutex_unlock(&data->update_lock);
2104 return count;
2105 }
2106
2107 static SENSOR_DEVICE_ATTR(pwm1_auto_spinup_min, S_IWUSR | S_IRUGO,
2108 show_pwm_auto_spinup_min,
2109 store_pwm_auto_spinup_min, 0);
2110 static SENSOR_DEVICE_ATTR(pwm2_auto_spinup_min, S_IWUSR | S_IRUGO,
2111 show_pwm_auto_spinup_min,
2112 store_pwm_auto_spinup_min, 1);
2113
2114 static ssize_t show_pwm_auto_spinup_time(struct device *dev,
2115 struct device_attribute *attr, char *buf)
2116 {
2117 int nr = (to_sensor_dev_attr(attr))->index;
2118 struct lm93_data *data = lm93_update_device(dev);
2119 return sprintf(buf, "%d\n", LM93_SPINUP_TIME_FROM_REG(
2120 data->block9[nr][LM93_PWM_CTL3]));
2121 }
2122
2123 static ssize_t store_pwm_auto_spinup_time(struct device *dev,
2124 struct device_attribute *attr,
2125 const char *buf, size_t count)
2126 {
2127 int nr = (to_sensor_dev_attr(attr))->index;
2128 struct i2c_client *client = to_i2c_client(dev);
2129 struct lm93_data *data = i2c_get_clientdata(client);
2130 u8 ctl3;
2131 unsigned long val;
2132 int err;
2133
2134 err = kstrtoul(buf, 10, &val);
2135 if (err)
2136 return err;
2137
2138 mutex_lock(&data->update_lock);
2139 ctl3 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3));
2140 ctl3 = (ctl3 & 0x1f) | (LM93_SPINUP_TIME_TO_REG(val) << 5 & 0xe0);
2141 data->block9[nr][LM93_PWM_CTL3] = ctl3;
2142 lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3);
2143 mutex_unlock(&data->update_lock);
2144 return count;
2145 }
2146
2147 static SENSOR_DEVICE_ATTR(pwm1_auto_spinup_time, S_IWUSR | S_IRUGO,
2148 show_pwm_auto_spinup_time,
2149 store_pwm_auto_spinup_time, 0);
2150 static SENSOR_DEVICE_ATTR(pwm2_auto_spinup_time, S_IWUSR | S_IRUGO,
2151 show_pwm_auto_spinup_time,
2152 store_pwm_auto_spinup_time, 1);
2153
2154 static ssize_t show_pwm_auto_prochot_ramp(struct device *dev,
2155 struct device_attribute *attr, char *buf)
2156 {
2157 struct lm93_data *data = lm93_update_device(dev);
2158 return sprintf(buf, "%d\n",
2159 LM93_RAMP_FROM_REG(data->pwm_ramp_ctl >> 4 & 0x0f));
2160 }
2161
2162 static ssize_t store_pwm_auto_prochot_ramp(struct device *dev,
2163 struct device_attribute *attr,
2164 const char *buf, size_t count)
2165 {
2166 struct i2c_client *client = to_i2c_client(dev);
2167 struct lm93_data *data = i2c_get_clientdata(client);
2168 u8 ramp;
2169 unsigned long val;
2170 int err;
2171
2172 err = kstrtoul(buf, 10, &val);
2173 if (err)
2174 return err;
2175
2176 mutex_lock(&data->update_lock);
2177 ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL);
2178 ramp = (ramp & 0x0f) | (LM93_RAMP_TO_REG(val) << 4 & 0xf0);
2179 lm93_write_byte(client, LM93_REG_PWM_RAMP_CTL, ramp);
2180 mutex_unlock(&data->update_lock);
2181 return count;
2182 }
2183
2184 static DEVICE_ATTR(pwm_auto_prochot_ramp, S_IRUGO | S_IWUSR,
2185 show_pwm_auto_prochot_ramp,
2186 store_pwm_auto_prochot_ramp);
2187
2188 static ssize_t show_pwm_auto_vrdhot_ramp(struct device *dev,
2189 struct device_attribute *attr, char *buf)
2190 {
2191 struct lm93_data *data = lm93_update_device(dev);
2192 return sprintf(buf, "%d\n",
2193 LM93_RAMP_FROM_REG(data->pwm_ramp_ctl & 0x0f));
2194 }
2195
2196 static ssize_t store_pwm_auto_vrdhot_ramp(struct device *dev,
2197 struct device_attribute *attr,
2198 const char *buf, size_t count)
2199 {
2200 struct i2c_client *client = to_i2c_client(dev);
2201 struct lm93_data *data = i2c_get_clientdata(client);
2202 u8 ramp;
2203 unsigned long val;
2204 int err;
2205
2206 err = kstrtoul(buf, 10, &val);
2207 if (err)
2208 return err;
2209
2210 mutex_lock(&data->update_lock);
2211 ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL);
2212 ramp = (ramp & 0xf0) | (LM93_RAMP_TO_REG(val) & 0x0f);
2213 lm93_write_byte(client, LM93_REG_PWM_RAMP_CTL, ramp);
2214 mutex_unlock(&data->update_lock);
2215 return 0;
2216 }
2217
2218 static DEVICE_ATTR(pwm_auto_vrdhot_ramp, S_IRUGO | S_IWUSR,
2219 show_pwm_auto_vrdhot_ramp,
2220 store_pwm_auto_vrdhot_ramp);
2221
2222 static ssize_t show_vid(struct device *dev, struct device_attribute *attr,
2223 char *buf)
2224 {
2225 int nr = (to_sensor_dev_attr(attr))->index;
2226 struct lm93_data *data = lm93_update_device(dev);
2227 return sprintf(buf, "%d\n", LM93_VID_FROM_REG(data->vid[nr]));
2228 }
2229
2230 static SENSOR_DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL, 0);
2231 static SENSOR_DEVICE_ATTR(cpu1_vid, S_IRUGO, show_vid, NULL, 1);
2232
2233 static ssize_t show_prochot(struct device *dev, struct device_attribute *attr,
2234 char *buf)
2235 {
2236 int nr = (to_sensor_dev_attr(attr))->index;
2237 struct lm93_data *data = lm93_update_device(dev);
2238 return sprintf(buf, "%d\n", data->block4[nr].cur);
2239 }
2240
2241 static SENSOR_DEVICE_ATTR(prochot1, S_IRUGO, show_prochot, NULL, 0);
2242 static SENSOR_DEVICE_ATTR(prochot2, S_IRUGO, show_prochot, NULL, 1);
2243
2244 static ssize_t show_prochot_avg(struct device *dev,
2245 struct device_attribute *attr, char *buf)
2246 {
2247 int nr = (to_sensor_dev_attr(attr))->index;
2248 struct lm93_data *data = lm93_update_device(dev);
2249 return sprintf(buf, "%d\n", data->block4[nr].avg);
2250 }
2251
2252 static SENSOR_DEVICE_ATTR(prochot1_avg, S_IRUGO, show_prochot_avg, NULL, 0);
2253 static SENSOR_DEVICE_ATTR(prochot2_avg, S_IRUGO, show_prochot_avg, NULL, 1);
2254
2255 static ssize_t show_prochot_max(struct device *dev,
2256 struct device_attribute *attr, char *buf)
2257 {
2258 int nr = (to_sensor_dev_attr(attr))->index;
2259 struct lm93_data *data = lm93_update_device(dev);
2260 return sprintf(buf, "%d\n", data->prochot_max[nr]);
2261 }
2262
2263 static ssize_t store_prochot_max(struct device *dev,
2264 struct device_attribute *attr,
2265 const char *buf, size_t count)
2266 {
2267 int nr = (to_sensor_dev_attr(attr))->index;
2268 struct i2c_client *client = to_i2c_client(dev);
2269 struct lm93_data *data = i2c_get_clientdata(client);
2270 unsigned long val;
2271 int err;
2272
2273 err = kstrtoul(buf, 10, &val);
2274 if (err)
2275 return err;
2276
2277 mutex_lock(&data->update_lock);
2278 data->prochot_max[nr] = LM93_PROCHOT_TO_REG(val);
2279 lm93_write_byte(client, LM93_REG_PROCHOT_MAX(nr),
2280 data->prochot_max[nr]);
2281 mutex_unlock(&data->update_lock);
2282 return count;
2283 }
2284
2285 static SENSOR_DEVICE_ATTR(prochot1_max, S_IWUSR | S_IRUGO,
2286 show_prochot_max, store_prochot_max, 0);
2287 static SENSOR_DEVICE_ATTR(prochot2_max, S_IWUSR | S_IRUGO,
2288 show_prochot_max, store_prochot_max, 1);
2289
2290 static const u8 prochot_override_mask[] = { 0x80, 0x40 };
2291
2292 static ssize_t show_prochot_override(struct device *dev,
2293 struct device_attribute *attr, char *buf)
2294 {
2295 int nr = (to_sensor_dev_attr(attr))->index;
2296 struct lm93_data *data = lm93_update_device(dev);
2297 return sprintf(buf, "%d\n",
2298 (data->prochot_override & prochot_override_mask[nr]) ? 1 : 0);
2299 }
2300
2301 static ssize_t store_prochot_override(struct device *dev,
2302 struct device_attribute *attr,
2303 const char *buf, size_t count)
2304 {
2305 int nr = (to_sensor_dev_attr(attr))->index;
2306 struct i2c_client *client = to_i2c_client(dev);
2307 struct lm93_data *data = i2c_get_clientdata(client);
2308 unsigned long val;
2309 int err;
2310
2311 err = kstrtoul(buf, 10, &val);
2312 if (err)
2313 return err;
2314
2315 mutex_lock(&data->update_lock);
2316 if (val)
2317 data->prochot_override |= prochot_override_mask[nr];
2318 else
2319 data->prochot_override &= (~prochot_override_mask[nr]);
2320 lm93_write_byte(client, LM93_REG_PROCHOT_OVERRIDE,
2321 data->prochot_override);
2322 mutex_unlock(&data->update_lock);
2323 return count;
2324 }
2325
2326 static SENSOR_DEVICE_ATTR(prochot1_override, S_IWUSR | S_IRUGO,
2327 show_prochot_override, store_prochot_override, 0);
2328 static SENSOR_DEVICE_ATTR(prochot2_override, S_IWUSR | S_IRUGO,
2329 show_prochot_override, store_prochot_override, 1);
2330
2331 static ssize_t show_prochot_interval(struct device *dev,
2332 struct device_attribute *attr, char *buf)
2333 {
2334 int nr = (to_sensor_dev_attr(attr))->index;
2335 struct lm93_data *data = lm93_update_device(dev);
2336 u8 tmp;
2337 if (nr == 1)
2338 tmp = (data->prochot_interval & 0xf0) >> 4;
2339 else
2340 tmp = data->prochot_interval & 0x0f;
2341 return sprintf(buf, "%d\n", LM93_INTERVAL_FROM_REG(tmp));
2342 }
2343
2344 static ssize_t store_prochot_interval(struct device *dev,
2345 struct device_attribute *attr,
2346 const char *buf, size_t count)
2347 {
2348 int nr = (to_sensor_dev_attr(attr))->index;
2349 struct i2c_client *client = to_i2c_client(dev);
2350 struct lm93_data *data = i2c_get_clientdata(client);
2351 u8 tmp;
2352 unsigned long val;
2353 int err;
2354
2355 err = kstrtoul(buf, 10, &val);
2356 if (err)
2357 return err;
2358
2359 mutex_lock(&data->update_lock);
2360 tmp = lm93_read_byte(client, LM93_REG_PROCHOT_INTERVAL);
2361 if (nr == 1)
2362 tmp = (tmp & 0x0f) | (LM93_INTERVAL_TO_REG(val) << 4);
2363 else
2364 tmp = (tmp & 0xf0) | LM93_INTERVAL_TO_REG(val);
2365 data->prochot_interval = tmp;
2366 lm93_write_byte(client, LM93_REG_PROCHOT_INTERVAL, tmp);
2367 mutex_unlock(&data->update_lock);
2368 return count;
2369 }
2370
2371 static SENSOR_DEVICE_ATTR(prochot1_interval, S_IWUSR | S_IRUGO,
2372 show_prochot_interval, store_prochot_interval, 0);
2373 static SENSOR_DEVICE_ATTR(prochot2_interval, S_IWUSR | S_IRUGO,
2374 show_prochot_interval, store_prochot_interval, 1);
2375
2376 static ssize_t show_prochot_override_duty_cycle(struct device *dev,
2377 struct device_attribute *attr,
2378 char *buf)
2379 {
2380 struct lm93_data *data = lm93_update_device(dev);
2381 return sprintf(buf, "%d\n", data->prochot_override & 0x0f);
2382 }
2383
2384 static ssize_t store_prochot_override_duty_cycle(struct device *dev,
2385 struct device_attribute *attr,
2386 const char *buf, size_t count)
2387 {
2388 struct i2c_client *client = to_i2c_client(dev);
2389 struct lm93_data *data = i2c_get_clientdata(client);
2390 unsigned long val;
2391 int err;
2392
2393 err = kstrtoul(buf, 10, &val);
2394 if (err)
2395 return err;
2396
2397 mutex_lock(&data->update_lock);
2398 data->prochot_override = (data->prochot_override & 0xf0) |
2399 SENSORS_LIMIT(val, 0, 15);
2400 lm93_write_byte(client, LM93_REG_PROCHOT_OVERRIDE,
2401 data->prochot_override);
2402 mutex_unlock(&data->update_lock);
2403 return count;
2404 }
2405
2406 static DEVICE_ATTR(prochot_override_duty_cycle, S_IRUGO | S_IWUSR,
2407 show_prochot_override_duty_cycle,
2408 store_prochot_override_duty_cycle);
2409
2410 static ssize_t show_prochot_short(struct device *dev,
2411 struct device_attribute *attr, char *buf)
2412 {
2413 struct lm93_data *data = lm93_update_device(dev);
2414 return sprintf(buf, "%d\n", (data->config & 0x10) ? 1 : 0);
2415 }
2416
2417 static ssize_t store_prochot_short(struct device *dev,
2418 struct device_attribute *attr,
2419 const char *buf, size_t count)
2420 {
2421 struct i2c_client *client = to_i2c_client(dev);
2422 struct lm93_data *data = i2c_get_clientdata(client);
2423 unsigned long val;
2424 int err;
2425
2426 err = kstrtoul(buf, 10, &val);
2427 if (err)
2428 return err;
2429
2430 mutex_lock(&data->update_lock);
2431 if (val)
2432 data->config |= 0x10;
2433 else
2434 data->config &= ~0x10;
2435 lm93_write_byte(client, LM93_REG_CONFIG, data->config);
2436 mutex_unlock(&data->update_lock);
2437 return count;
2438 }
2439
2440 static DEVICE_ATTR(prochot_short, S_IRUGO | S_IWUSR,
2441 show_prochot_short, store_prochot_short);
2442
2443 static ssize_t show_vrdhot(struct device *dev, struct device_attribute *attr,
2444 char *buf)
2445 {
2446 int nr = (to_sensor_dev_attr(attr))->index;
2447 struct lm93_data *data = lm93_update_device(dev);
2448 return sprintf(buf, "%d\n",
2449 data->block1.host_status_1 & (1 << (nr + 4)) ? 1 : 0);
2450 }
2451
2452 static SENSOR_DEVICE_ATTR(vrdhot1, S_IRUGO, show_vrdhot, NULL, 0);
2453 static SENSOR_DEVICE_ATTR(vrdhot2, S_IRUGO, show_vrdhot, NULL, 1);
2454
2455 static ssize_t show_gpio(struct device *dev, struct device_attribute *attr,
2456 char *buf)
2457 {
2458 struct lm93_data *data = lm93_update_device(dev);
2459 return sprintf(buf, "%d\n", LM93_GPI_FROM_REG(data->gpi));
2460 }
2461
2462 static DEVICE_ATTR(gpio, S_IRUGO, show_gpio, NULL);
2463
2464 static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
2465 char *buf)
2466 {
2467 struct lm93_data *data = lm93_update_device(dev);
2468 return sprintf(buf, "%d\n", LM93_ALARMS_FROM_REG(data->block1));
2469 }
2470
2471 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
2472
2473 static struct attribute *lm93_attrs[] = {
2474 &sensor_dev_attr_in1_input.dev_attr.attr,
2475 &sensor_dev_attr_in2_input.dev_attr.attr,
2476 &sensor_dev_attr_in3_input.dev_attr.attr,
2477 &sensor_dev_attr_in4_input.dev_attr.attr,
2478 &sensor_dev_attr_in5_input.dev_attr.attr,
2479 &sensor_dev_attr_in6_input.dev_attr.attr,
2480 &sensor_dev_attr_in7_input.dev_attr.attr,
2481 &sensor_dev_attr_in8_input.dev_attr.attr,
2482 &sensor_dev_attr_in9_input.dev_attr.attr,
2483 &sensor_dev_attr_in10_input.dev_attr.attr,
2484 &sensor_dev_attr_in11_input.dev_attr.attr,
2485 &sensor_dev_attr_in12_input.dev_attr.attr,
2486 &sensor_dev_attr_in13_input.dev_attr.attr,
2487 &sensor_dev_attr_in14_input.dev_attr.attr,
2488 &sensor_dev_attr_in15_input.dev_attr.attr,
2489 &sensor_dev_attr_in16_input.dev_attr.attr,
2490 &sensor_dev_attr_in1_min.dev_attr.attr,
2491 &sensor_dev_attr_in2_min.dev_attr.attr,
2492 &sensor_dev_attr_in3_min.dev_attr.attr,
2493 &sensor_dev_attr_in4_min.dev_attr.attr,
2494 &sensor_dev_attr_in5_min.dev_attr.attr,
2495 &sensor_dev_attr_in6_min.dev_attr.attr,
2496 &sensor_dev_attr_in7_min.dev_attr.attr,
2497 &sensor_dev_attr_in8_min.dev_attr.attr,
2498 &sensor_dev_attr_in9_min.dev_attr.attr,
2499 &sensor_dev_attr_in10_min.dev_attr.attr,
2500 &sensor_dev_attr_in11_min.dev_attr.attr,
2501 &sensor_dev_attr_in12_min.dev_attr.attr,
2502 &sensor_dev_attr_in13_min.dev_attr.attr,
2503 &sensor_dev_attr_in14_min.dev_attr.attr,
2504 &sensor_dev_attr_in15_min.dev_attr.attr,
2505 &sensor_dev_attr_in16_min.dev_attr.attr,
2506 &sensor_dev_attr_in1_max.dev_attr.attr,
2507 &sensor_dev_attr_in2_max.dev_attr.attr,
2508 &sensor_dev_attr_in3_max.dev_attr.attr,
2509 &sensor_dev_attr_in4_max.dev_attr.attr,
2510 &sensor_dev_attr_in5_max.dev_attr.attr,
2511 &sensor_dev_attr_in6_max.dev_attr.attr,
2512 &sensor_dev_attr_in7_max.dev_attr.attr,
2513 &sensor_dev_attr_in8_max.dev_attr.attr,
2514 &sensor_dev_attr_in9_max.dev_attr.attr,
2515 &sensor_dev_attr_in10_max.dev_attr.attr,
2516 &sensor_dev_attr_in11_max.dev_attr.attr,
2517 &sensor_dev_attr_in12_max.dev_attr.attr,
2518 &sensor_dev_attr_in13_max.dev_attr.attr,
2519 &sensor_dev_attr_in14_max.dev_attr.attr,
2520 &sensor_dev_attr_in15_max.dev_attr.attr,
2521 &sensor_dev_attr_in16_max.dev_attr.attr,
2522 &sensor_dev_attr_temp1_input.dev_attr.attr,
2523 &sensor_dev_attr_temp2_input.dev_attr.attr,
2524 &sensor_dev_attr_temp3_input.dev_attr.attr,
2525 &sensor_dev_attr_temp1_min.dev_attr.attr,
2526 &sensor_dev_attr_temp2_min.dev_attr.attr,
2527 &sensor_dev_attr_temp3_min.dev_attr.attr,
2528 &sensor_dev_attr_temp1_max.dev_attr.attr,
2529 &sensor_dev_attr_temp2_max.dev_attr.attr,
2530 &sensor_dev_attr_temp3_max.dev_attr.attr,
2531 &sensor_dev_attr_temp1_auto_base.dev_attr.attr,
2532 &sensor_dev_attr_temp2_auto_base.dev_attr.attr,
2533 &sensor_dev_attr_temp3_auto_base.dev_attr.attr,
2534 &sensor_dev_attr_temp1_auto_boost.dev_attr.attr,
2535 &sensor_dev_attr_temp2_auto_boost.dev_attr.attr,
2536 &sensor_dev_attr_temp3_auto_boost.dev_attr.attr,
2537 &sensor_dev_attr_temp1_auto_boost_hyst.dev_attr.attr,
2538 &sensor_dev_attr_temp2_auto_boost_hyst.dev_attr.attr,
2539 &sensor_dev_attr_temp3_auto_boost_hyst.dev_attr.attr,
2540 &sensor_dev_attr_temp1_auto_offset1.dev_attr.attr,
2541 &sensor_dev_attr_temp1_auto_offset2.dev_attr.attr,
2542 &sensor_dev_attr_temp1_auto_offset3.dev_attr.attr,
2543 &sensor_dev_attr_temp1_auto_offset4.dev_attr.attr,
2544 &sensor_dev_attr_temp1_auto_offset5.dev_attr.attr,
2545 &sensor_dev_attr_temp1_auto_offset6.dev_attr.attr,
2546 &sensor_dev_attr_temp1_auto_offset7.dev_attr.attr,
2547 &sensor_dev_attr_temp1_auto_offset8.dev_attr.attr,
2548 &sensor_dev_attr_temp1_auto_offset9.dev_attr.attr,
2549 &sensor_dev_attr_temp1_auto_offset10.dev_attr.attr,
2550 &sensor_dev_attr_temp1_auto_offset11.dev_attr.attr,
2551 &sensor_dev_attr_temp1_auto_offset12.dev_attr.attr,
2552 &sensor_dev_attr_temp2_auto_offset1.dev_attr.attr,
2553 &sensor_dev_attr_temp2_auto_offset2.dev_attr.attr,
2554 &sensor_dev_attr_temp2_auto_offset3.dev_attr.attr,
2555 &sensor_dev_attr_temp2_auto_offset4.dev_attr.attr,
2556 &sensor_dev_attr_temp2_auto_offset5.dev_attr.attr,
2557 &sensor_dev_attr_temp2_auto_offset6.dev_attr.attr,
2558 &sensor_dev_attr_temp2_auto_offset7.dev_attr.attr,
2559 &sensor_dev_attr_temp2_auto_offset8.dev_attr.attr,
2560 &sensor_dev_attr_temp2_auto_offset9.dev_attr.attr,
2561 &sensor_dev_attr_temp2_auto_offset10.dev_attr.attr,
2562 &sensor_dev_attr_temp2_auto_offset11.dev_attr.attr,
2563 &sensor_dev_attr_temp2_auto_offset12.dev_attr.attr,
2564 &sensor_dev_attr_temp3_auto_offset1.dev_attr.attr,
2565 &sensor_dev_attr_temp3_auto_offset2.dev_attr.attr,
2566 &sensor_dev_attr_temp3_auto_offset3.dev_attr.attr,
2567 &sensor_dev_attr_temp3_auto_offset4.dev_attr.attr,
2568 &sensor_dev_attr_temp3_auto_offset5.dev_attr.attr,
2569 &sensor_dev_attr_temp3_auto_offset6.dev_attr.attr,
2570 &sensor_dev_attr_temp3_auto_offset7.dev_attr.attr,
2571 &sensor_dev_attr_temp3_auto_offset8.dev_attr.attr,
2572 &sensor_dev_attr_temp3_auto_offset9.dev_attr.attr,
2573 &sensor_dev_attr_temp3_auto_offset10.dev_attr.attr,
2574 &sensor_dev_attr_temp3_auto_offset11.dev_attr.attr,
2575 &sensor_dev_attr_temp3_auto_offset12.dev_attr.attr,
2576 &sensor_dev_attr_temp1_auto_pwm_min.dev_attr.attr,
2577 &sensor_dev_attr_temp2_auto_pwm_min.dev_attr.attr,
2578 &sensor_dev_attr_temp3_auto_pwm_min.dev_attr.attr,
2579 &sensor_dev_attr_temp1_auto_offset_hyst.dev_attr.attr,
2580 &sensor_dev_attr_temp2_auto_offset_hyst.dev_attr.attr,
2581 &sensor_dev_attr_temp3_auto_offset_hyst.dev_attr.attr,
2582 &sensor_dev_attr_fan1_input.dev_attr.attr,
2583 &sensor_dev_attr_fan2_input.dev_attr.attr,
2584 &sensor_dev_attr_fan3_input.dev_attr.attr,
2585 &sensor_dev_attr_fan4_input.dev_attr.attr,
2586 &sensor_dev_attr_fan1_min.dev_attr.attr,
2587 &sensor_dev_attr_fan2_min.dev_attr.attr,
2588 &sensor_dev_attr_fan3_min.dev_attr.attr,
2589 &sensor_dev_attr_fan4_min.dev_attr.attr,
2590 &sensor_dev_attr_fan1_smart_tach.dev_attr.attr,
2591 &sensor_dev_attr_fan2_smart_tach.dev_attr.attr,
2592 &sensor_dev_attr_fan3_smart_tach.dev_attr.attr,
2593 &sensor_dev_attr_fan4_smart_tach.dev_attr.attr,
2594 &sensor_dev_attr_pwm1.dev_attr.attr,
2595 &sensor_dev_attr_pwm2.dev_attr.attr,
2596 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
2597 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
2598 &sensor_dev_attr_pwm1_freq.dev_attr.attr,
2599 &sensor_dev_attr_pwm2_freq.dev_attr.attr,
2600 &sensor_dev_attr_pwm1_auto_channels.dev_attr.attr,
2601 &sensor_dev_attr_pwm2_auto_channels.dev_attr.attr,
2602 &sensor_dev_attr_pwm1_auto_spinup_min.dev_attr.attr,
2603 &sensor_dev_attr_pwm2_auto_spinup_min.dev_attr.attr,
2604 &sensor_dev_attr_pwm1_auto_spinup_time.dev_attr.attr,
2605 &sensor_dev_attr_pwm2_auto_spinup_time.dev_attr.attr,
2606 &dev_attr_pwm_auto_prochot_ramp.attr,
2607 &dev_attr_pwm_auto_vrdhot_ramp.attr,
2608 &sensor_dev_attr_cpu0_vid.dev_attr.attr,
2609 &sensor_dev_attr_cpu1_vid.dev_attr.attr,
2610 &sensor_dev_attr_prochot1.dev_attr.attr,
2611 &sensor_dev_attr_prochot2.dev_attr.attr,
2612 &sensor_dev_attr_prochot1_avg.dev_attr.attr,
2613 &sensor_dev_attr_prochot2_avg.dev_attr.attr,
2614 &sensor_dev_attr_prochot1_max.dev_attr.attr,
2615 &sensor_dev_attr_prochot2_max.dev_attr.attr,
2616 &sensor_dev_attr_prochot1_override.dev_attr.attr,
2617 &sensor_dev_attr_prochot2_override.dev_attr.attr,
2618 &sensor_dev_attr_prochot1_interval.dev_attr.attr,
2619 &sensor_dev_attr_prochot2_interval.dev_attr.attr,
2620 &dev_attr_prochot_override_duty_cycle.attr,
2621 &dev_attr_prochot_short.attr,
2622 &sensor_dev_attr_vrdhot1.dev_attr.attr,
2623 &sensor_dev_attr_vrdhot2.dev_attr.attr,
2624 &dev_attr_gpio.attr,
2625 &dev_attr_alarms.attr,
2626 NULL
2627 };
2628
2629 static struct attribute_group lm93_attr_grp = {
2630 .attrs = lm93_attrs,
2631 };
2632
2633 static void lm93_init_client(struct i2c_client *client)
2634 {
2635 int i;
2636 u8 reg;
2637
2638 /* configure VID pin input thresholds */
2639 reg = lm93_read_byte(client, LM93_REG_GPI_VID_CTL);
2640 lm93_write_byte(client, LM93_REG_GPI_VID_CTL,
2641 reg | (vid_agtl ? 0x03 : 0x00));
2642
2643 if (init) {
2644 /* enable #ALERT pin */
2645 reg = lm93_read_byte(client, LM93_REG_CONFIG);
2646 lm93_write_byte(client, LM93_REG_CONFIG, reg | 0x08);
2647
2648 /* enable ASF mode for BMC status registers */
2649 reg = lm93_read_byte(client, LM93_REG_STATUS_CONTROL);
2650 lm93_write_byte(client, LM93_REG_STATUS_CONTROL, reg | 0x02);
2651
2652 /* set sleep state to S0 */
2653 lm93_write_byte(client, LM93_REG_SLEEP_CONTROL, 0);
2654
2655 /* unmask #VRDHOT and dynamic VCCP (if nec) error events */
2656 reg = lm93_read_byte(client, LM93_REG_MISC_ERR_MASK);
2657 reg &= ~0x03;
2658 reg &= ~(vccp_limit_type[0] ? 0x10 : 0);
2659 reg &= ~(vccp_limit_type[1] ? 0x20 : 0);
2660 lm93_write_byte(client, LM93_REG_MISC_ERR_MASK, reg);
2661 }
2662
2663 /* start monitoring */
2664 reg = lm93_read_byte(client, LM93_REG_CONFIG);
2665 lm93_write_byte(client, LM93_REG_CONFIG, reg | 0x01);
2666
2667 /* spin until ready */
2668 for (i = 0; i < 20; i++) {
2669 msleep(10);
2670 if ((lm93_read_byte(client, LM93_REG_CONFIG) & 0x80) == 0x80)
2671 return;
2672 }
2673
2674 dev_warn(&client->dev, "timed out waiting for sensor "
2675 "chip to signal ready!\n");
2676 }
2677
2678 /* Return 0 if detection is successful, -ENODEV otherwise */
2679 static int lm93_detect(struct i2c_client *client, struct i2c_board_info *info)
2680 {
2681 struct i2c_adapter *adapter = client->adapter;
2682 int mfr, ver;
2683 const char *name;
2684
2685 if (!i2c_check_functionality(adapter, LM93_SMBUS_FUNC_MIN))
2686 return -ENODEV;
2687
2688 /* detection */
2689 mfr = lm93_read_byte(client, LM93_REG_MFR_ID);
2690 if (mfr != 0x01) {
2691 dev_dbg(&adapter->dev,
2692 "detect failed, bad manufacturer id 0x%02x!\n", mfr);
2693 return -ENODEV;
2694 }
2695
2696 ver = lm93_read_byte(client, LM93_REG_VER);
2697 switch (ver) {
2698 case LM93_MFR_ID:
2699 case LM93_MFR_ID_PROTOTYPE:
2700 name = "lm93";
2701 break;
2702 case LM94_MFR_ID_2:
2703 case LM94_MFR_ID:
2704 case LM94_MFR_ID_PROTOTYPE:
2705 name = "lm94";
2706 break;
2707 default:
2708 dev_dbg(&adapter->dev,
2709 "detect failed, bad version id 0x%02x!\n", ver);
2710 return -ENODEV;
2711 }
2712
2713 strlcpy(info->type, name, I2C_NAME_SIZE);
2714 dev_dbg(&adapter->dev, "loading %s at %d, 0x%02x\n",
2715 client->name, i2c_adapter_id(client->adapter),
2716 client->addr);
2717
2718 return 0;
2719 }
2720
2721 static int lm93_probe(struct i2c_client *client,
2722 const struct i2c_device_id *id)
2723 {
2724 struct lm93_data *data;
2725 int err, func;
2726 void (*update)(struct lm93_data *, struct i2c_client *);
2727
2728 /* choose update routine based on bus capabilities */
2729 func = i2c_get_functionality(client->adapter);
2730 if (((LM93_SMBUS_FUNC_FULL & func) == LM93_SMBUS_FUNC_FULL) &&
2731 (!disable_block)) {
2732 dev_dbg(&client->dev, "using SMBus block data transactions\n");
2733 update = lm93_update_client_full;
2734 } else if ((LM93_SMBUS_FUNC_MIN & func) == LM93_SMBUS_FUNC_MIN) {
2735 dev_dbg(&client->dev, "disabled SMBus block data "
2736 "transactions\n");
2737 update = lm93_update_client_min;
2738 } else {
2739 dev_dbg(&client->dev, "detect failed, "
2740 "smbus byte and/or word data not supported!\n");
2741 err = -ENODEV;
2742 goto err_out;
2743 }
2744
2745 data = kzalloc(sizeof(struct lm93_data), GFP_KERNEL);
2746 if (!data) {
2747 dev_dbg(&client->dev, "out of memory!\n");
2748 err = -ENOMEM;
2749 goto err_out;
2750 }
2751 i2c_set_clientdata(client, data);
2752
2753 /* housekeeping */
2754 data->valid = 0;
2755 data->update = update;
2756 mutex_init(&data->update_lock);
2757
2758 /* initialize the chip */
2759 lm93_init_client(client);
2760
2761 err = sysfs_create_group(&client->dev.kobj, &lm93_attr_grp);
2762 if (err)
2763 goto err_free;
2764
2765 /* Register hwmon driver class */
2766 data->hwmon_dev = hwmon_device_register(&client->dev);
2767 if (!IS_ERR(data->hwmon_dev))
2768 return 0;
2769
2770 err = PTR_ERR(data->hwmon_dev);
2771 dev_err(&client->dev, "error registering hwmon device.\n");
2772 sysfs_remove_group(&client->dev.kobj, &lm93_attr_grp);
2773 err_free:
2774 kfree(data);
2775 err_out:
2776 return err;
2777 }
2778
2779 static int lm93_remove(struct i2c_client *client)
2780 {
2781 struct lm93_data *data = i2c_get_clientdata(client);
2782
2783 hwmon_device_unregister(data->hwmon_dev);
2784 sysfs_remove_group(&client->dev.kobj, &lm93_attr_grp);
2785
2786 kfree(data);
2787 return 0;
2788 }
2789
2790 static const struct i2c_device_id lm93_id[] = {
2791 { "lm93", 0 },
2792 { "lm94", 0 },
2793 { }
2794 };
2795 MODULE_DEVICE_TABLE(i2c, lm93_id);
2796
2797 static struct i2c_driver lm93_driver = {
2798 .class = I2C_CLASS_HWMON,
2799 .driver = {
2800 .name = "lm93",
2801 },
2802 .probe = lm93_probe,
2803 .remove = lm93_remove,
2804 .id_table = lm93_id,
2805 .detect = lm93_detect,
2806 .address_list = normal_i2c,
2807 };
2808
2809 module_i2c_driver(lm93_driver);
2810
2811 MODULE_AUTHOR("Mark M. Hoffman <mhoffman@lightlink.com>, "
2812 "Hans J. Koch <hjk@hansjkoch.de>");
2813 MODULE_DESCRIPTION("LM93 driver");
2814 MODULE_LICENSE("GPL");