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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 */
150static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
151
152/* Insmod parameters */
153
154static int disable_block;
155module_param(disable_block, bool, 0);
156MODULE_PARM_DESC(disable_block,
157 "Set to non-zero to disable SMBus block data transactions.");
158
159static int init;
160module_param(init, bool, 0);
161MODULE_PARM_DESC(init, "Set to non-zero to force chip initialization.");
162
163static int vccp_limit_type[2] = {0,0};
164module_param_array(vccp_limit_type, int, NULL, 0);
165MODULE_PARM_DESC(vccp_limit_type, "Configures in7 and in8 limit modes.");
166
167static int vid_agtl;
168module_param(vid_agtl, int, 0);
169MODULE_PARM_DESC(vid_agtl, "Configures VID pin input thresholds.");
170
171/* Driver data */
172static struct i2c_driver lm93_driver;
173
174/* LM93 BLOCK READ COMMANDS */
175static 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/* ALARMS: SYSCTL format described further below
191 REG: 64 bits in 8 registers, as immediately below */
192struct block1_t {
193 u8 host_status_1;
194 u8 host_status_2;
195 u8 host_status_3;
196 u8 host_status_4;
197 u8 p1_prochot_status;
198 u8 p2_prochot_status;
199 u8 gpi_status;
200 u8 fan_status;
201};
202
203/*
204 * Client-specific data
205 */
206struct lm93_data {
207 struct device *hwmon_dev;
208
209 struct mutex update_lock;
210 unsigned long last_updated; /* In jiffies */
211
212 /* client update function */
213 void (*update)(struct lm93_data *, struct i2c_client *);
214
215 char valid; /* !=0 if following fields are valid */
216
217 /* register values, arranged by block read groups */
218 struct block1_t block1;
219
220 /* temp1 - temp4: unfiltered readings
221 temp1 - temp2: filtered readings */
222 u8 block2[6];
223
224 /* vin1 - vin16: readings */
225 u8 block3[16];
226
227 /* prochot1 - prochot2: readings */
228 struct {
229 u8 cur;
230 u8 avg;
231 } block4[2];
232
233 /* fan counts 1-4 => 14-bits, LE, *left* justified */
234 u16 block5[4];
235
236 /* block6 has a lot of data we don't need */
237 struct {
238 u8 min;
239 u8 max;
240 } temp_lim[4];
241
242 /* vin1 - vin16: low and high limits */
243 struct {
244 u8 min;
245 u8 max;
246 } block7[16];
247
248 /* fan count limits 1-4 => same format as block5 */
249 u16 block8[4];
250
251 /* pwm control registers (2 pwms, 4 regs) */
252 u8 block9[2][4];
253
254 /* auto/pwm base temp and offset temp registers */
255 struct {
256 u8 base[4];
257 u8 offset[12];
258 } block10;
259
260 /* master config register */
261 u8 config;
262
263 /* VID1 & VID2 => register format, 6-bits, right justified */
264 u8 vid[2];
265
266 /* prochot1 - prochot2: limits */
267 u8 prochot_max[2];
268
269 /* vccp1 & vccp2 (in7 & in8): VID relative limits (register format) */
270 u8 vccp_limits[2];
271
272 /* GPIO input state (register format, i.e. inverted) */
273 u8 gpi;
274
275 /* #PROCHOT override (register format) */
276 u8 prochot_override;
277
278 /* #PROCHOT intervals (register format) */
279 u8 prochot_interval;
280
281 /* Fan Boost Temperatures (register format) */
282 u8 boost[4];
283
284 /* Fan Boost Hysteresis (register format) */
285 u8 boost_hyst[2];
286
287 /* Temperature Zone Min. PWM & Hysteresis (register format) */
288 u8 auto_pwm_min_hyst[2];
289
290 /* #PROCHOT & #VRDHOT PWM Ramp Control */
291 u8 pwm_ramp_ctl;
292
293 /* miscellaneous setup regs */
294 u8 sfc1;
295 u8 sfc2;
296 u8 sf_tach_to_pwm;
297
298 /* The two PWM CTL2 registers can read something other than what was
299 last written for the OVR_DC field (duty cycle override). So, we
300 save the user-commanded value here. */
301 u8 pwm_override[2];
302};
303
304/* VID: mV
305 REG: 6-bits, right justified, *always* using Intel VRM/VRD 10 */
306static int LM93_VID_FROM_REG(u8 reg)
307{
308 return vid_from_reg((reg & 0x3f), 100);
309}
310
311/* min, max, and nominal register values, per channel (u8) */
312static const u8 lm93_vin_reg_min[16] = {
313 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
314 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xae,
315};
316static const u8 lm93_vin_reg_max[16] = {
317 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
318 0xff, 0xfa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xd1,
319};
320/* Values from the datasheet. They're here for documentation only.
321static const u8 lm93_vin_reg_nom[16] = {
322 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0,
323 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x40, 0xc0,
324};
325*/
326
327/* min, max, and nominal voltage readings, per channel (mV)*/
328static const unsigned long lm93_vin_val_min[16] = {
329 0, 0, 0, 0, 0, 0, 0, 0,
330 0, 0, 0, 0, 0, 0, 0, 3000,
331};
332
333static const unsigned long lm93_vin_val_max[16] = {
334 1236, 1236, 1236, 1600, 2000, 2000, 1600, 1600,
335 4400, 6500, 3333, 2625, 1312, 1312, 1236, 3600,
336};
337/* Values from the datasheet. They're here for documentation only.
338static const unsigned long lm93_vin_val_nom[16] = {
339 927, 927, 927, 1200, 1500, 1500, 1200, 1200,
340 3300, 5000, 2500, 1969, 984, 984, 309, 3300,
341};
342*/
343
344static unsigned LM93_IN_FROM_REG(int nr, u8 reg)
345{
346 const long uV_max = lm93_vin_val_max[nr] * 1000;
347 const long uV_min = lm93_vin_val_min[nr] * 1000;
348
349 const long slope = (uV_max - uV_min) /
350 (lm93_vin_reg_max[nr] - lm93_vin_reg_min[nr]);
351 const long intercept = uV_min - slope * lm93_vin_reg_min[nr];
352
353 return (slope * reg + intercept + 500) / 1000;
354}
355
356/* IN: mV, limits determined by channel nr
357 REG: scaling determined by channel nr */
358static u8 LM93_IN_TO_REG(int nr, unsigned val)
359{
360 /* range limit */
361 const long mV = SENSORS_LIMIT(val,
362 lm93_vin_val_min[nr], lm93_vin_val_max[nr]);
363
364 /* try not to lose too much precision here */
365 const long uV = mV * 1000;
366 const long uV_max = lm93_vin_val_max[nr] * 1000;
367 const long uV_min = lm93_vin_val_min[nr] * 1000;
368
369 /* convert */
370 const long slope = (uV_max - uV_min) /
371 (lm93_vin_reg_max[nr] - lm93_vin_reg_min[nr]);
372 const long intercept = uV_min - slope * lm93_vin_reg_min[nr];
373
374 u8 result = ((uV - intercept + (slope/2)) / slope);
375 result = SENSORS_LIMIT(result,
376 lm93_vin_reg_min[nr], lm93_vin_reg_max[nr]);
377 return result;
378}
379
380/* vid in mV, upper == 0 indicates low limit, otherwise upper limit */
381static unsigned LM93_IN_REL_FROM_REG(u8 reg, int upper, int vid)
382{
383 const long uV_offset = upper ? (((reg >> 4 & 0x0f) + 1) * 12500) :
384 (((reg >> 0 & 0x0f) + 1) * -25000);
385 const long uV_vid = vid * 1000;
386 return (uV_vid + uV_offset + 5000) / 10000;
387}
388
389#define LM93_IN_MIN_FROM_REG(reg,vid) LM93_IN_REL_FROM_REG(reg,0,vid)
390#define LM93_IN_MAX_FROM_REG(reg,vid) LM93_IN_REL_FROM_REG(reg,1,vid)
391
392/* vid in mV , upper == 0 indicates low limit, otherwise upper limit
393 upper also determines which nibble of the register is returned
394 (the other nibble will be 0x0) */
395static u8 LM93_IN_REL_TO_REG(unsigned val, int upper, int vid)
396{
397 long uV_offset = vid * 1000 - val * 10000;
398 if (upper) {
399 uV_offset = SENSORS_LIMIT(uV_offset, 12500, 200000);
400 return (u8)((uV_offset / 12500 - 1) << 4);
401 } else {
402 uV_offset = SENSORS_LIMIT(uV_offset, -400000, -25000);
403 return (u8)((uV_offset / -25000 - 1) << 0);
404 }
405}
406
407/* TEMP: 1/1000 degrees C (-128C to +127C)
408 REG: 1C/bit, two's complement */
409static int LM93_TEMP_FROM_REG(u8 reg)
410{
411 return (s8)reg * 1000;
412}
413
414#define LM93_TEMP_MIN (-128000)
415#define LM93_TEMP_MAX ( 127000)
416
417/* TEMP: 1/1000 degrees C (-128C to +127C)
418 REG: 1C/bit, two's complement */
419static u8 LM93_TEMP_TO_REG(long temp)
420{
421 int ntemp = SENSORS_LIMIT(temp, LM93_TEMP_MIN, LM93_TEMP_MAX);
422 ntemp += (ntemp<0 ? -500 : 500);
423 return (u8)(ntemp / 1000);
424}
425
426/* Determine 4-bit temperature offset resolution */
427static int LM93_TEMP_OFFSET_MODE_FROM_REG(u8 sfc2, int nr)
428{
429 /* mode: 0 => 1C/bit, nonzero => 0.5C/bit */
430 return sfc2 & (nr < 2 ? 0x10 : 0x20);
431}
432
433/* This function is common to all 4-bit temperature offsets
434 reg is 4 bits right justified
435 mode 0 => 1C/bit, mode !0 => 0.5C/bit */
436static int LM93_TEMP_OFFSET_FROM_REG(u8 reg, int mode)
437{
438 return (reg & 0x0f) * (mode ? 5 : 10);
439}
440
441#define LM93_TEMP_OFFSET_MIN ( 0)
442#define LM93_TEMP_OFFSET_MAX0 (150)
443#define LM93_TEMP_OFFSET_MAX1 ( 75)
444
445/* This function is common to all 4-bit temperature offsets
446 returns 4 bits right justified
447 mode 0 => 1C/bit, mode !0 => 0.5C/bit */
448static u8 LM93_TEMP_OFFSET_TO_REG(int off, int mode)
449{
450 int factor = mode ? 5 : 10;
451
452 off = SENSORS_LIMIT(off, LM93_TEMP_OFFSET_MIN,
453 mode ? LM93_TEMP_OFFSET_MAX1 : LM93_TEMP_OFFSET_MAX0);
454 return (u8)((off + factor/2) / factor);
455}
456
457/* 0 <= nr <= 3 */
458static int LM93_TEMP_AUTO_OFFSET_FROM_REG(u8 reg, int nr, int mode)
459{
460 /* temp1-temp2 (nr=0,1) use lower nibble */
461 if (nr < 2)
462 return LM93_TEMP_OFFSET_FROM_REG(reg & 0x0f, mode);
463
464 /* temp3-temp4 (nr=2,3) use upper nibble */
465 else
466 return LM93_TEMP_OFFSET_FROM_REG(reg >> 4 & 0x0f, mode);
467}
468
469/* TEMP: 1/10 degrees C (0C to +15C (mode 0) or +7.5C (mode non-zero))
470 REG: 1.0C/bit (mode 0) or 0.5C/bit (mode non-zero)
471 0 <= nr <= 3 */
472static u8 LM93_TEMP_AUTO_OFFSET_TO_REG(u8 old, int off, int nr, int mode)
473{
474 u8 new = LM93_TEMP_OFFSET_TO_REG(off, mode);
475
476 /* temp1-temp2 (nr=0,1) use lower nibble */
477 if (nr < 2)
478 return (old & 0xf0) | (new & 0x0f);
479
480 /* temp3-temp4 (nr=2,3) use upper nibble */
481 else
482 return (new << 4 & 0xf0) | (old & 0x0f);
483}
484
485static int LM93_AUTO_BOOST_HYST_FROM_REGS(struct lm93_data *data, int nr,
486 int mode)
487{
488 u8 reg;
489
490 switch (nr) {
491 case 0:
492 reg = data->boost_hyst[0] & 0x0f;
493 break;
494 case 1:
495 reg = data->boost_hyst[0] >> 4 & 0x0f;
496 break;
497 case 2:
498 reg = data->boost_hyst[1] & 0x0f;
499 break;
500 case 3:
501 default:
502 reg = data->boost_hyst[1] >> 4 & 0x0f;
503 break;
504 }
505
506 return LM93_TEMP_FROM_REG(data->boost[nr]) -
507 LM93_TEMP_OFFSET_FROM_REG(reg, mode);
508}
509
510static u8 LM93_AUTO_BOOST_HYST_TO_REG(struct lm93_data *data, long hyst,
511 int nr, int mode)
512{
513 u8 reg = LM93_TEMP_OFFSET_TO_REG(
514 (LM93_TEMP_FROM_REG(data->boost[nr]) - hyst), mode);
515
516 switch (nr) {
517 case 0:
518 reg = (data->boost_hyst[0] & 0xf0) | (reg & 0x0f);
519 break;
520 case 1:
521 reg = (reg << 4 & 0xf0) | (data->boost_hyst[0] & 0x0f);
522 break;
523 case 2:
524 reg = (data->boost_hyst[1] & 0xf0) | (reg & 0x0f);
525 break;
526 case 3:
527 default:
528 reg = (reg << 4 & 0xf0) | (data->boost_hyst[1] & 0x0f);
529 break;
530 }
531
532 return reg;
533}
534
535/* PWM: 0-255 per sensors documentation
536 REG: 0-13 as mapped below... right justified */
537typedef enum { LM93_PWM_MAP_HI_FREQ, LM93_PWM_MAP_LO_FREQ } pwm_freq_t;
538static int lm93_pwm_map[2][16] = {
539 {
540 0x00, /* 0.00% */ 0x40, /* 25.00% */
541 0x50, /* 31.25% */ 0x60, /* 37.50% */
542 0x70, /* 43.75% */ 0x80, /* 50.00% */
543 0x90, /* 56.25% */ 0xa0, /* 62.50% */
544 0xb0, /* 68.75% */ 0xc0, /* 75.00% */
545 0xd0, /* 81.25% */ 0xe0, /* 87.50% */
546 0xf0, /* 93.75% */ 0xff, /* 100.00% */
547 0xff, 0xff, /* 14, 15 are reserved and should never occur */
548 },
549 {
550 0x00, /* 0.00% */ 0x40, /* 25.00% */
551 0x49, /* 28.57% */ 0x52, /* 32.14% */
552 0x5b, /* 35.71% */ 0x64, /* 39.29% */
553 0x6d, /* 42.86% */ 0x76, /* 46.43% */
554 0x80, /* 50.00% */ 0x89, /* 53.57% */
555 0x92, /* 57.14% */ 0xb6, /* 71.43% */
556 0xdb, /* 85.71% */ 0xff, /* 100.00% */
557 0xff, 0xff, /* 14, 15 are reserved and should never occur */
558 },
559};
560
561static int LM93_PWM_FROM_REG(u8 reg, pwm_freq_t freq)
562{
563 return lm93_pwm_map[freq][reg & 0x0f];
564}
565
566/* round up to nearest match */
567static u8 LM93_PWM_TO_REG(int pwm, pwm_freq_t freq)
568{
569 int i;
570 for (i = 0; i < 13; i++)
571 if (pwm <= lm93_pwm_map[freq][i])
572 break;
573
574 /* can fall through with i==13 */
575 return (u8)i;
576}
577
578static int LM93_FAN_FROM_REG(u16 regs)
579{
580 const u16 count = le16_to_cpu(regs) >> 2;
581 return count==0 ? -1 : count==0x3fff ? 0: 1350000 / count;
582}
583
584/*
585 * RPM: (82.5 to 1350000)
586 * REG: 14-bits, LE, *left* justified
587 */
588static u16 LM93_FAN_TO_REG(long rpm)
589{
590 u16 count, regs;
591
592 if (rpm == 0) {
593 count = 0x3fff;
594 } else {
595 rpm = SENSORS_LIMIT(rpm, 1, 1000000);
596 count = SENSORS_LIMIT((1350000 + rpm) / rpm, 1, 0x3ffe);
597 }
598
599 regs = count << 2;
600 return cpu_to_le16(regs);
601}
602
603/* PWM FREQ: HZ
604 REG: 0-7 as mapped below */
605static int lm93_pwm_freq_map[8] = {
606 22500, 96, 84, 72, 60, 48, 36, 12
607};
608
609static int LM93_PWM_FREQ_FROM_REG(u8 reg)
610{
611 return lm93_pwm_freq_map[reg & 0x07];
612}
613
614/* round up to nearest match */
615static u8 LM93_PWM_FREQ_TO_REG(int freq)
616{
617 int i;
618 for (i = 7; i > 0; i--)
619 if (freq <= lm93_pwm_freq_map[i])
620 break;
621
622 /* can fall through with i==0 */
623 return (u8)i;
624}
625
626/* TIME: 1/100 seconds
627 * REG: 0-7 as mapped below */
628static int lm93_spinup_time_map[8] = {
629 0, 10, 25, 40, 70, 100, 200, 400,
630};
631
632static int LM93_SPINUP_TIME_FROM_REG(u8 reg)
633{
634 return lm93_spinup_time_map[reg >> 5 & 0x07];
635}
636
637/* round up to nearest match */
638static u8 LM93_SPINUP_TIME_TO_REG(int time)
639{
640 int i;
641 for (i = 0; i < 7; i++)
642 if (time <= lm93_spinup_time_map[i])
643 break;
644
645 /* can fall through with i==8 */
646 return (u8)i;
647}
648
649#define LM93_RAMP_MIN 0
650#define LM93_RAMP_MAX 75
651
652static int LM93_RAMP_FROM_REG(u8 reg)
653{
654 return (reg & 0x0f) * 5;
655}
656
657/* RAMP: 1/100 seconds
658 REG: 50mS/bit 4-bits right justified */
659static u8 LM93_RAMP_TO_REG(int ramp)
660{
661 ramp = SENSORS_LIMIT(ramp, LM93_RAMP_MIN, LM93_RAMP_MAX);
662 return (u8)((ramp + 2) / 5);
663}
664
665/* PROCHOT: 0-255, 0 => 0%, 255 => > 96.6%
666 * REG: (same) */
667static u8 LM93_PROCHOT_TO_REG(long prochot)
668{
669 prochot = SENSORS_LIMIT(prochot, 0, 255);
670 return (u8)prochot;
671}
672
673/* PROCHOT-INTERVAL: 73 - 37200 (1/100 seconds)
674 * REG: 0-9 as mapped below */
675static int lm93_interval_map[10] = {
676 73, 146, 290, 580, 1170, 2330, 4660, 9320, 18600, 37200,
677};
678
679static int LM93_INTERVAL_FROM_REG(u8 reg)
680{
681 return lm93_interval_map[reg & 0x0f];
682}
683
684/* round up to nearest match */
685static u8 LM93_INTERVAL_TO_REG(long interval)
686{
687 int i;
688 for (i = 0; i < 9; i++)
689 if (interval <= lm93_interval_map[i])
690 break;
691
692 /* can fall through with i==9 */
693 return (u8)i;
694}
695
696/* GPIO: 0-255, GPIO0 is LSB
697 * REG: inverted */
698static unsigned LM93_GPI_FROM_REG(u8 reg)
699{
700 return ~reg & 0xff;
701}
702
703/* alarm bitmask definitions
704 The LM93 has nearly 64 bits of error status... I've pared that down to
705 what I think is a useful subset in order to fit it into 32 bits.
706
707 Especially note that the #VRD_HOT alarms are missing because we provide
708 that information as values in another sysfs file.
709
710 If libsensors is extended to support 64 bit values, this could be revisited.
711*/
712#define LM93_ALARM_IN1 0x00000001
713#define LM93_ALARM_IN2 0x00000002
714#define LM93_ALARM_IN3 0x00000004
715#define LM93_ALARM_IN4 0x00000008
716#define LM93_ALARM_IN5 0x00000010
717#define LM93_ALARM_IN6 0x00000020
718#define LM93_ALARM_IN7 0x00000040
719#define LM93_ALARM_IN8 0x00000080
720#define LM93_ALARM_IN9 0x00000100
721#define LM93_ALARM_IN10 0x00000200
722#define LM93_ALARM_IN11 0x00000400
723#define LM93_ALARM_IN12 0x00000800
724#define LM93_ALARM_IN13 0x00001000
725#define LM93_ALARM_IN14 0x00002000
726#define LM93_ALARM_IN15 0x00004000
727#define LM93_ALARM_IN16 0x00008000
728#define LM93_ALARM_FAN1 0x00010000
729#define LM93_ALARM_FAN2 0x00020000
730#define LM93_ALARM_FAN3 0x00040000
731#define LM93_ALARM_FAN4 0x00080000
732#define LM93_ALARM_PH1_ERR 0x00100000
733#define LM93_ALARM_PH2_ERR 0x00200000
734#define LM93_ALARM_SCSI1_ERR 0x00400000
735#define LM93_ALARM_SCSI2_ERR 0x00800000
736#define LM93_ALARM_DVDDP1_ERR 0x01000000
737#define LM93_ALARM_DVDDP2_ERR 0x02000000
738#define LM93_ALARM_D1_ERR 0x04000000
739#define LM93_ALARM_D2_ERR 0x08000000
740#define LM93_ALARM_TEMP1 0x10000000
741#define LM93_ALARM_TEMP2 0x20000000
742#define LM93_ALARM_TEMP3 0x40000000
743
744static unsigned LM93_ALARMS_FROM_REG(struct block1_t b1)
745{
746 unsigned result;
747 result = b1.host_status_2 & 0x3f;
748
749 if (vccp_limit_type[0])
750 result |= (b1.host_status_4 & 0x10) << 2;
751 else
752 result |= b1.host_status_2 & 0x40;
753
754 if (vccp_limit_type[1])
755 result |= (b1.host_status_4 & 0x20) << 2;
756 else
757 result |= b1.host_status_2 & 0x80;
758
759 result |= b1.host_status_3 << 8;
760 result |= (b1.fan_status & 0x0f) << 16;
761 result |= (b1.p1_prochot_status & 0x80) << 13;
762 result |= (b1.p2_prochot_status & 0x80) << 14;
763 result |= (b1.host_status_4 & 0xfc) << 20;
764 result |= (b1.host_status_1 & 0x07) << 28;
765 return result;
766}
767
768#define MAX_RETRIES 5
769
770static u8 lm93_read_byte(struct i2c_client *client, u8 reg)
771{
772 int value, i;
773
774 /* retry in case of read errors */
775 for (i=1; i<=MAX_RETRIES; i++) {
776 if ((value = i2c_smbus_read_byte_data(client, reg)) >= 0) {
777 return value;
778 } else {
779 dev_warn(&client->dev,"lm93: read byte data failed, "
780 "address 0x%02x.\n", reg);
781 mdelay(i + 3);
782 }
783
784 }
785
786 /* <TODO> what to return in case of error? */
787 dev_err(&client->dev,"lm93: All read byte retries failed!!\n");
788 return 0;
789}
790
791static int lm93_write_byte(struct i2c_client *client, u8 reg, u8 value)
792{
793 int result;
794
795 /* <TODO> how to handle write errors? */
796 result = i2c_smbus_write_byte_data(client, reg, value);
797
798 if (result < 0)
799 dev_warn(&client->dev,"lm93: write byte data failed, "
800 "0x%02x at address 0x%02x.\n", value, reg);
801
802 return result;
803}
804
805static u16 lm93_read_word(struct i2c_client *client, u8 reg)
806{
807 int value, i;
808
809 /* retry in case of read errors */
810 for (i=1; i<=MAX_RETRIES; i++) {
811 if ((value = i2c_smbus_read_word_data(client, reg)) >= 0) {
812 return value;
813 } else {
814 dev_warn(&client->dev,"lm93: read word data failed, "
815 "address 0x%02x.\n", reg);
816 mdelay(i + 3);
817 }
818
819 }
820
821 /* <TODO> what to return in case of error? */
822 dev_err(&client->dev,"lm93: All read word retries failed!!\n");
823 return 0;
824}
825
826static int lm93_write_word(struct i2c_client *client, u8 reg, u16 value)
827{
828 int result;
829
830 /* <TODO> how to handle write errors? */
831 result = i2c_smbus_write_word_data(client, reg, value);
832
833 if (result < 0)
834 dev_warn(&client->dev,"lm93: write word data failed, "
835 "0x%04x at address 0x%02x.\n", value, reg);
836
837 return result;
838}
839
840static u8 lm93_block_buffer[I2C_SMBUS_BLOCK_MAX];
841
842/*
843 read block data into values, retry if not expected length
844 fbn => index to lm93_block_read_cmds table
845 (Fixed Block Number - section 14.5.2 of LM93 datasheet)
846*/
847static void lm93_read_block(struct i2c_client *client, u8 fbn, u8 *values)
848{
849 int i, result=0;
850
851 for (i = 1; i <= MAX_RETRIES; i++) {
852 result = i2c_smbus_read_block_data(client,
853 lm93_block_read_cmds[fbn].cmd, lm93_block_buffer);
854
855 if (result == lm93_block_read_cmds[fbn].len) {
856 break;
857 } else {
858 dev_warn(&client->dev,"lm93: block read data failed, "
859 "command 0x%02x.\n",
860 lm93_block_read_cmds[fbn].cmd);
861 mdelay(i + 3);
862 }
863 }
864
865 if (result == lm93_block_read_cmds[fbn].len) {
866 memcpy(values,lm93_block_buffer,lm93_block_read_cmds[fbn].len);
867 } else {
868 /* <TODO> what to do in case of error? */
869 }
870}
871
872static struct lm93_data *lm93_update_device(struct device *dev)
873{
874 struct i2c_client *client = to_i2c_client(dev);
875 struct lm93_data *data = i2c_get_clientdata(client);
876 const unsigned long interval = HZ + (HZ / 2);
877
878 mutex_lock(&data->update_lock);
879
880 if (time_after(jiffies, data->last_updated + interval) ||
881 !data->valid) {
882
883 data->update(data, client);
884 data->last_updated = jiffies;
885 data->valid = 1;
886 }
887
888 mutex_unlock(&data->update_lock);
889 return data;
890}
891
892/* update routine for data that has no corresponding SMBus block command */
893static void lm93_update_client_common(struct lm93_data *data,
894 struct i2c_client *client)
895{
896 int i;
897 u8 *ptr;
898
899 /* temp1 - temp4: limits */
900 for (i = 0; i < 4; i++) {
901 data->temp_lim[i].min =
902 lm93_read_byte(client, LM93_REG_TEMP_MIN(i));
903 data->temp_lim[i].max =
904 lm93_read_byte(client, LM93_REG_TEMP_MAX(i));
905 }
906
907 /* config register */
908 data->config = lm93_read_byte(client, LM93_REG_CONFIG);
909
910 /* vid1 - vid2: values */
911 for (i = 0; i < 2; i++)
912 data->vid[i] = lm93_read_byte(client, LM93_REG_VID(i));
913
914 /* prochot1 - prochot2: limits */
915 for (i = 0; i < 2; i++)
916 data->prochot_max[i] = lm93_read_byte(client,
917 LM93_REG_PROCHOT_MAX(i));
918
919 /* vccp1 - vccp2: VID relative limits */
920 for (i = 0; i < 2; i++)
921 data->vccp_limits[i] = lm93_read_byte(client,
922 LM93_REG_VCCP_LIMIT_OFF(i));
923
924 /* GPIO input state */
925 data->gpi = lm93_read_byte(client, LM93_REG_GPI);
926
927 /* #PROCHOT override state */
928 data->prochot_override = lm93_read_byte(client,
929 LM93_REG_PROCHOT_OVERRIDE);
930
931 /* #PROCHOT intervals */
932 data->prochot_interval = lm93_read_byte(client,
933 LM93_REG_PROCHOT_INTERVAL);
934
935 /* Fan Boost Temperature registers */
936 for (i = 0; i < 4; i++)
937 data->boost[i] = lm93_read_byte(client, LM93_REG_BOOST(i));
938
939 /* Fan Boost Temperature Hyst. registers */
940 data->boost_hyst[0] = lm93_read_byte(client, LM93_REG_BOOST_HYST_12);
941 data->boost_hyst[1] = lm93_read_byte(client, LM93_REG_BOOST_HYST_34);
942
943 /* Temperature Zone Min. PWM & Hysteresis registers */
944 data->auto_pwm_min_hyst[0] =
945 lm93_read_byte(client, LM93_REG_PWM_MIN_HYST_12);
946 data->auto_pwm_min_hyst[1] =
947 lm93_read_byte(client, LM93_REG_PWM_MIN_HYST_34);
948
949 /* #PROCHOT & #VRDHOT PWM Ramp Control register */
950 data->pwm_ramp_ctl = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL);
951
952 /* misc setup registers */
953 data->sfc1 = lm93_read_byte(client, LM93_REG_SFC1);
954 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
955 data->sf_tach_to_pwm = lm93_read_byte(client,
956 LM93_REG_SF_TACH_TO_PWM);
957
958 /* write back alarm values to clear */
959 for (i = 0, ptr = (u8 *)(&data->block1); i < 8; i++)
960 lm93_write_byte(client, LM93_REG_HOST_ERROR_1 + i, *(ptr + i));
961}
962
963/* update routine which uses SMBus block data commands */
964static void lm93_update_client_full(struct lm93_data *data,
965 struct i2c_client *client)
966{
967 dev_dbg(&client->dev,"starting device update (block data enabled)\n");
968
969 /* in1 - in16: values & limits */
970 lm93_read_block(client, 3, (u8 *)(data->block3));
971 lm93_read_block(client, 7, (u8 *)(data->block7));
972
973 /* temp1 - temp4: values */
974 lm93_read_block(client, 2, (u8 *)(data->block2));
975
976 /* prochot1 - prochot2: values */
977 lm93_read_block(client, 4, (u8 *)(data->block4));
978
979 /* fan1 - fan4: values & limits */
980 lm93_read_block(client, 5, (u8 *)(data->block5));
981 lm93_read_block(client, 8, (u8 *)(data->block8));
982
983 /* pmw control registers */
984 lm93_read_block(client, 9, (u8 *)(data->block9));
985
986 /* alarm values */
987 lm93_read_block(client, 1, (u8 *)(&data->block1));
988
989 /* auto/pwm registers */
990 lm93_read_block(client, 10, (u8 *)(&data->block10));
991
992 lm93_update_client_common(data, client);
993}
994
995/* update routine which uses SMBus byte/word data commands only */
996static void lm93_update_client_min(struct lm93_data *data,
997 struct i2c_client *client)
998{
999 int i,j;
1000 u8 *ptr;
1001
1002 dev_dbg(&client->dev,"starting device update (block data disabled)\n");
1003
1004 /* in1 - in16: values & limits */
1005 for (i = 0; i < 16; i++) {
1006 data->block3[i] =
1007 lm93_read_byte(client, LM93_REG_IN(i));
1008 data->block7[i].min =
1009 lm93_read_byte(client, LM93_REG_IN_MIN(i));
1010 data->block7[i].max =
1011 lm93_read_byte(client, LM93_REG_IN_MAX(i));
1012 }
1013
1014 /* temp1 - temp4: values */
1015 for (i = 0; i < 4; i++) {
1016 data->block2[i] =
1017 lm93_read_byte(client, LM93_REG_TEMP(i));
1018 }
1019
1020 /* prochot1 - prochot2: values */
1021 for (i = 0; i < 2; i++) {
1022 data->block4[i].cur =
1023 lm93_read_byte(client, LM93_REG_PROCHOT_CUR(i));
1024 data->block4[i].avg =
1025 lm93_read_byte(client, LM93_REG_PROCHOT_AVG(i));
1026 }
1027
1028 /* fan1 - fan4: values & limits */
1029 for (i = 0; i < 4; i++) {
1030 data->block5[i] =
1031 lm93_read_word(client, LM93_REG_FAN(i));
1032 data->block8[i] =
1033 lm93_read_word(client, LM93_REG_FAN_MIN(i));
1034 }
1035
1036 /* pwm control registers */
1037 for (i = 0; i < 2; i++) {
1038 for (j = 0; j < 4; j++) {
1039 data->block9[i][j] =
1040 lm93_read_byte(client, LM93_REG_PWM_CTL(i,j));
1041 }
1042 }
1043
1044 /* alarm values */
1045 for (i = 0, ptr = (u8 *)(&data->block1); i < 8; i++) {
1046 *(ptr + i) =
1047 lm93_read_byte(client, LM93_REG_HOST_ERROR_1 + i);
1048 }
1049
1050 /* auto/pwm (base temp) registers */
1051 for (i = 0; i < 4; i++) {
1052 data->block10.base[i] =
1053 lm93_read_byte(client, LM93_REG_TEMP_BASE(i));
1054 }
1055
1056 /* auto/pwm (offset temp) registers */
1057 for (i = 0; i < 12; i++) {
1058 data->block10.offset[i] =
1059 lm93_read_byte(client, LM93_REG_TEMP_OFFSET(i));
1060 }
1061
1062 lm93_update_client_common(data, client);
1063}
1064
1065/* following are the sysfs callback functions */
1066static ssize_t show_in(struct device *dev, struct device_attribute *attr,
1067 char *buf)
1068{
1069 int nr = (to_sensor_dev_attr(attr))->index;
1070
1071 struct lm93_data *data = lm93_update_device(dev);
1072 return sprintf(buf, "%d\n", LM93_IN_FROM_REG(nr, data->block3[nr]));
1073}
1074
1075static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 0);
1076static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 1);
1077static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 2);
1078static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 3);
1079static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 4);
1080static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 5);
1081static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 6);
1082static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 7);
1083static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_in, NULL, 8);
1084static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_in, NULL, 9);
1085static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, show_in, NULL, 10);
1086static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, show_in, NULL, 11);
1087static SENSOR_DEVICE_ATTR(in13_input, S_IRUGO, show_in, NULL, 12);
1088static SENSOR_DEVICE_ATTR(in14_input, S_IRUGO, show_in, NULL, 13);
1089static SENSOR_DEVICE_ATTR(in15_input, S_IRUGO, show_in, NULL, 14);
1090static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in, NULL, 15);
1091
1092static ssize_t show_in_min(struct device *dev,
1093 struct device_attribute *attr, char *buf)
1094{
1095 int nr = (to_sensor_dev_attr(attr))->index;
1096 struct lm93_data *data = lm93_update_device(dev);
1097 int vccp = nr - 6;
1098 long rc, vid;
1099
1100 if ((nr==6 || nr==7) && (vccp_limit_type[vccp])) {
1101 vid = LM93_VID_FROM_REG(data->vid[vccp]);
1102 rc = LM93_IN_MIN_FROM_REG(data->vccp_limits[vccp], vid);
1103 }
1104 else {
1105 rc = LM93_IN_FROM_REG(nr, data->block7[nr].min); \
1106 }
1107 return sprintf(buf, "%ld\n", rc); \
1108}
1109
1110static ssize_t store_in_min(struct device *dev, struct device_attribute *attr,
1111 const char *buf, size_t count)
1112{
1113 int nr = (to_sensor_dev_attr(attr))->index;
1114 struct i2c_client *client = to_i2c_client(dev);
1115 struct lm93_data *data = i2c_get_clientdata(client);
1116 u32 val = simple_strtoul(buf, NULL, 10);
1117 int vccp = nr - 6;
1118 long vid;
1119
1120 mutex_lock(&data->update_lock);
1121 if ((nr==6 || nr==7) && (vccp_limit_type[vccp])) {
1122 vid = LM93_VID_FROM_REG(data->vid[vccp]);
1123 data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0xf0) |
1124 LM93_IN_REL_TO_REG(val, 0, vid);
1125 lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp),
1126 data->vccp_limits[vccp]);
1127 }
1128 else {
1129 data->block7[nr].min = LM93_IN_TO_REG(nr,val);
1130 lm93_write_byte(client, LM93_REG_IN_MIN(nr),
1131 data->block7[nr].min);
1132 }
1133 mutex_unlock(&data->update_lock);
1134 return count;
1135}
1136
1137static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO,
1138 show_in_min, store_in_min, 0);
1139static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO,
1140 show_in_min, store_in_min, 1);
1141static SENSOR_DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO,
1142 show_in_min, store_in_min, 2);
1143static SENSOR_DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO,
1144 show_in_min, store_in_min, 3);
1145static SENSOR_DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO,
1146 show_in_min, store_in_min, 4);
1147static SENSOR_DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO,
1148 show_in_min, store_in_min, 5);
1149static SENSOR_DEVICE_ATTR(in7_min, S_IWUSR | S_IRUGO,
1150 show_in_min, store_in_min, 6);
1151static SENSOR_DEVICE_ATTR(in8_min, S_IWUSR | S_IRUGO,
1152 show_in_min, store_in_min, 7);
1153static SENSOR_DEVICE_ATTR(in9_min, S_IWUSR | S_IRUGO,
1154 show_in_min, store_in_min, 8);
1155static SENSOR_DEVICE_ATTR(in10_min, S_IWUSR | S_IRUGO,
1156 show_in_min, store_in_min, 9);
1157static SENSOR_DEVICE_ATTR(in11_min, S_IWUSR | S_IRUGO,
1158 show_in_min, store_in_min, 10);
1159static SENSOR_DEVICE_ATTR(in12_min, S_IWUSR | S_IRUGO,
1160 show_in_min, store_in_min, 11);
1161static SENSOR_DEVICE_ATTR(in13_min, S_IWUSR | S_IRUGO,
1162 show_in_min, store_in_min, 12);
1163static SENSOR_DEVICE_ATTR(in14_min, S_IWUSR | S_IRUGO,
1164 show_in_min, store_in_min, 13);
1165static SENSOR_DEVICE_ATTR(in15_min, S_IWUSR | S_IRUGO,
1166 show_in_min, store_in_min, 14);
1167static SENSOR_DEVICE_ATTR(in16_min, S_IWUSR | S_IRUGO,
1168 show_in_min, store_in_min, 15);
1169
1170static ssize_t show_in_max(struct device *dev,
1171 struct device_attribute *attr, char *buf)
1172{
1173 int nr = (to_sensor_dev_attr(attr))->index;
1174 struct lm93_data *data = lm93_update_device(dev);
1175 int vccp = nr - 6;
1176 long rc, vid;
1177
1178 if ((nr==6 || nr==7) && (vccp_limit_type[vccp])) {
1179 vid = LM93_VID_FROM_REG(data->vid[vccp]);
1180 rc = LM93_IN_MAX_FROM_REG(data->vccp_limits[vccp],vid);
1181 }
1182 else {
1183 rc = LM93_IN_FROM_REG(nr,data->block7[nr].max); \
1184 }
1185 return sprintf(buf,"%ld\n",rc); \
1186}
1187
1188static ssize_t store_in_max(struct device *dev, struct device_attribute *attr,
1189 const char *buf, size_t count)
1190{
1191 int nr = (to_sensor_dev_attr(attr))->index;
1192 struct i2c_client *client = to_i2c_client(dev);
1193 struct lm93_data *data = i2c_get_clientdata(client);
1194 u32 val = simple_strtoul(buf, NULL, 10);
1195 int vccp = nr - 6;
1196 long vid;
1197
1198 mutex_lock(&data->update_lock);
1199 if ((nr==6 || nr==7) && (vccp_limit_type[vccp])) {
1200 vid = LM93_VID_FROM_REG(data->vid[vccp]);
1201 data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0x0f) |
1202 LM93_IN_REL_TO_REG(val, 1, vid);
1203 lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp),
1204 data->vccp_limits[vccp]);
1205 }
1206 else {
1207 data->block7[nr].max = LM93_IN_TO_REG(nr,val);
1208 lm93_write_byte(client, LM93_REG_IN_MAX(nr),
1209 data->block7[nr].max);
1210 }
1211 mutex_unlock(&data->update_lock);
1212 return count;
1213}
1214
1215static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO,
1216 show_in_max, store_in_max, 0);
1217static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO,
1218 show_in_max, store_in_max, 1);
1219static SENSOR_DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO,
1220 show_in_max, store_in_max, 2);
1221static SENSOR_DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO,
1222 show_in_max, store_in_max, 3);
1223static SENSOR_DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO,
1224 show_in_max, store_in_max, 4);
1225static SENSOR_DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO,
1226 show_in_max, store_in_max, 5);
1227static SENSOR_DEVICE_ATTR(in7_max, S_IWUSR | S_IRUGO,
1228 show_in_max, store_in_max, 6);
1229static SENSOR_DEVICE_ATTR(in8_max, S_IWUSR | S_IRUGO,
1230 show_in_max, store_in_max, 7);
1231static SENSOR_DEVICE_ATTR(in9_max, S_IWUSR | S_IRUGO,
1232 show_in_max, store_in_max, 8);
1233static SENSOR_DEVICE_ATTR(in10_max, S_IWUSR | S_IRUGO,
1234 show_in_max, store_in_max, 9);
1235static SENSOR_DEVICE_ATTR(in11_max, S_IWUSR | S_IRUGO,
1236 show_in_max, store_in_max, 10);
1237static SENSOR_DEVICE_ATTR(in12_max, S_IWUSR | S_IRUGO,
1238 show_in_max, store_in_max, 11);
1239static SENSOR_DEVICE_ATTR(in13_max, S_IWUSR | S_IRUGO,
1240 show_in_max, store_in_max, 12);
1241static SENSOR_DEVICE_ATTR(in14_max, S_IWUSR | S_IRUGO,
1242 show_in_max, store_in_max, 13);
1243static SENSOR_DEVICE_ATTR(in15_max, S_IWUSR | S_IRUGO,
1244 show_in_max, store_in_max, 14);
1245static SENSOR_DEVICE_ATTR(in16_max, S_IWUSR | S_IRUGO,
1246 show_in_max, store_in_max, 15);
1247
1248static ssize_t show_temp(struct device *dev,
1249 struct device_attribute *attr, char *buf)
1250{
1251 int nr = (to_sensor_dev_attr(attr))->index;
1252 struct lm93_data *data = lm93_update_device(dev);
1253 return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->block2[nr]));
1254}
1255
1256static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
1257static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
1258static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
1259
1260static ssize_t show_temp_min(struct device *dev,
1261 struct device_attribute *attr, char *buf)
1262{
1263 int nr = (to_sensor_dev_attr(attr))->index;
1264 struct lm93_data *data = lm93_update_device(dev);
1265 return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->temp_lim[nr].min));
1266}
1267
1268static ssize_t store_temp_min(struct device *dev, struct device_attribute *attr,
1269 const char *buf, size_t count)
1270{
1271 int nr = (to_sensor_dev_attr(attr))->index;
1272 struct i2c_client *client = to_i2c_client(dev);
1273 struct lm93_data *data = i2c_get_clientdata(client);
1274 long val = simple_strtol(buf, NULL, 10);
1275
1276 mutex_lock(&data->update_lock);
1277 data->temp_lim[nr].min = LM93_TEMP_TO_REG(val);
1278 lm93_write_byte(client, LM93_REG_TEMP_MIN(nr), data->temp_lim[nr].min);
1279 mutex_unlock(&data->update_lock);
1280 return count;
1281}
1282
1283static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO,
1284 show_temp_min, store_temp_min, 0);
1285static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO,
1286 show_temp_min, store_temp_min, 1);
1287static SENSOR_DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO,
1288 show_temp_min, store_temp_min, 2);
1289
1290static ssize_t show_temp_max(struct device *dev,
1291 struct device_attribute *attr, char *buf)
1292{
1293 int nr = (to_sensor_dev_attr(attr))->index;
1294 struct lm93_data *data = lm93_update_device(dev);
1295 return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->temp_lim[nr].max));
1296}
1297
1298static ssize_t store_temp_max(struct device *dev, struct device_attribute *attr,
1299 const char *buf, size_t count)
1300{
1301 int nr = (to_sensor_dev_attr(attr))->index;
1302 struct i2c_client *client = to_i2c_client(dev);
1303 struct lm93_data *data = i2c_get_clientdata(client);
1304 long val = simple_strtol(buf, NULL, 10);
1305
1306 mutex_lock(&data->update_lock);
1307 data->temp_lim[nr].max = LM93_TEMP_TO_REG(val);
1308 lm93_write_byte(client, LM93_REG_TEMP_MAX(nr), data->temp_lim[nr].max);
1309 mutex_unlock(&data->update_lock);
1310 return count;
1311}
1312
1313static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO,
1314 show_temp_max, store_temp_max, 0);
1315static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO,
1316 show_temp_max, store_temp_max, 1);
1317static SENSOR_DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO,
1318 show_temp_max, store_temp_max, 2);
1319
1320static ssize_t show_temp_auto_base(struct device *dev,
1321 struct device_attribute *attr, char *buf)
1322{
1323 int nr = (to_sensor_dev_attr(attr))->index;
1324 struct lm93_data *data = lm93_update_device(dev);
1325 return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->block10.base[nr]));
1326}
1327
1328static ssize_t store_temp_auto_base(struct device *dev,
1329 struct device_attribute *attr,
1330 const char *buf, size_t count)
1331{
1332 int nr = (to_sensor_dev_attr(attr))->index;
1333 struct i2c_client *client = to_i2c_client(dev);
1334 struct lm93_data *data = i2c_get_clientdata(client);
1335 long val = simple_strtol(buf, NULL, 10);
1336
1337 mutex_lock(&data->update_lock);
1338 data->block10.base[nr] = LM93_TEMP_TO_REG(val);
1339 lm93_write_byte(client, LM93_REG_TEMP_BASE(nr), data->block10.base[nr]);
1340 mutex_unlock(&data->update_lock);
1341 return count;
1342}
1343
1344static SENSOR_DEVICE_ATTR(temp1_auto_base, S_IWUSR | S_IRUGO,
1345 show_temp_auto_base, store_temp_auto_base, 0);
1346static SENSOR_DEVICE_ATTR(temp2_auto_base, S_IWUSR | S_IRUGO,
1347 show_temp_auto_base, store_temp_auto_base, 1);
1348static SENSOR_DEVICE_ATTR(temp3_auto_base, S_IWUSR | S_IRUGO,
1349 show_temp_auto_base, store_temp_auto_base, 2);
1350
1351static ssize_t show_temp_auto_boost(struct device *dev,
1352 struct device_attribute *attr,char *buf)
1353{
1354 int nr = (to_sensor_dev_attr(attr))->index;
1355 struct lm93_data *data = lm93_update_device(dev);
1356 return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->boost[nr]));
1357}
1358
1359static ssize_t store_temp_auto_boost(struct device *dev,
1360 struct device_attribute *attr,
1361 const char *buf, size_t count)
1362{
1363 int nr = (to_sensor_dev_attr(attr))->index;
1364 struct i2c_client *client = to_i2c_client(dev);
1365 struct lm93_data *data = i2c_get_clientdata(client);
1366 long val = simple_strtol(buf, NULL, 10);
1367
1368 mutex_lock(&data->update_lock);
1369 data->boost[nr] = LM93_TEMP_TO_REG(val);
1370 lm93_write_byte(client, LM93_REG_BOOST(nr), data->boost[nr]);
1371 mutex_unlock(&data->update_lock);
1372 return count;
1373}
1374
1375static SENSOR_DEVICE_ATTR(temp1_auto_boost, S_IWUSR | S_IRUGO,
1376 show_temp_auto_boost, store_temp_auto_boost, 0);
1377static SENSOR_DEVICE_ATTR(temp2_auto_boost, S_IWUSR | S_IRUGO,
1378 show_temp_auto_boost, store_temp_auto_boost, 1);
1379static SENSOR_DEVICE_ATTR(temp3_auto_boost, S_IWUSR | S_IRUGO,
1380 show_temp_auto_boost, store_temp_auto_boost, 2);
1381
1382static ssize_t show_temp_auto_boost_hyst(struct device *dev,
1383 struct device_attribute *attr,
1384 char *buf)
1385{
1386 int nr = (to_sensor_dev_attr(attr))->index;
1387 struct lm93_data *data = lm93_update_device(dev);
1388 int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);
1389 return sprintf(buf,"%d\n",
1390 LM93_AUTO_BOOST_HYST_FROM_REGS(data, nr, mode));
1391}
1392
1393static ssize_t store_temp_auto_boost_hyst(struct device *dev,
1394 struct device_attribute *attr,
1395 const char *buf, size_t count)
1396{
1397 int nr = (to_sensor_dev_attr(attr))->index;
1398 struct i2c_client *client = to_i2c_client(dev);
1399 struct lm93_data *data = i2c_get_clientdata(client);
1400 u32 val = simple_strtoul(buf, NULL, 10);
1401
1402 mutex_lock(&data->update_lock);
1403 /* force 0.5C/bit mode */
1404 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
1405 data->sfc2 |= ((nr < 2) ? 0x10 : 0x20);
1406 lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);
1407 data->boost_hyst[nr/2] = LM93_AUTO_BOOST_HYST_TO_REG(data, val, nr, 1);
1408 lm93_write_byte(client, LM93_REG_BOOST_HYST(nr),
1409 data->boost_hyst[nr/2]);
1410 mutex_unlock(&data->update_lock);
1411 return count;
1412}
1413
1414static SENSOR_DEVICE_ATTR(temp1_auto_boost_hyst, S_IWUSR | S_IRUGO,
1415 show_temp_auto_boost_hyst,
1416 store_temp_auto_boost_hyst, 0);
1417static SENSOR_DEVICE_ATTR(temp2_auto_boost_hyst, S_IWUSR | S_IRUGO,
1418 show_temp_auto_boost_hyst,
1419 store_temp_auto_boost_hyst, 1);
1420static SENSOR_DEVICE_ATTR(temp3_auto_boost_hyst, S_IWUSR | S_IRUGO,
1421 show_temp_auto_boost_hyst,
1422 store_temp_auto_boost_hyst, 2);
1423
1424static ssize_t show_temp_auto_offset(struct device *dev,
1425 struct device_attribute *attr, char *buf)
1426{
1427 struct sensor_device_attribute_2 *s_attr = to_sensor_dev_attr_2(attr);
1428 int nr = s_attr->index;
1429 int ofs = s_attr->nr;
1430 struct lm93_data *data = lm93_update_device(dev);
1431 int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);
1432 return sprintf(buf,"%d\n",
1433 LM93_TEMP_AUTO_OFFSET_FROM_REG(data->block10.offset[ofs],
1434 nr,mode));
1435}
1436
1437static ssize_t store_temp_auto_offset(struct device *dev,
1438 struct device_attribute *attr,
1439 const char *buf, size_t count)
1440{
1441 struct sensor_device_attribute_2 *s_attr = to_sensor_dev_attr_2(attr);
1442 int nr = s_attr->index;
1443 int ofs = s_attr->nr;
1444 struct i2c_client *client = to_i2c_client(dev);
1445 struct lm93_data *data = i2c_get_clientdata(client);
1446 u32 val = simple_strtoul(buf, NULL, 10);
1447
1448 mutex_lock(&data->update_lock);
1449 /* force 0.5C/bit mode */
1450 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
1451 data->sfc2 |= ((nr < 2) ? 0x10 : 0x20);
1452 lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);
1453 data->block10.offset[ofs] = LM93_TEMP_AUTO_OFFSET_TO_REG(
1454 data->block10.offset[ofs], val, nr, 1);
1455 lm93_write_byte(client, LM93_REG_TEMP_OFFSET(ofs),
1456 data->block10.offset[ofs]);
1457 mutex_unlock(&data->update_lock);
1458 return count;
1459}
1460
1461static SENSOR_DEVICE_ATTR_2(temp1_auto_offset1, S_IWUSR | S_IRUGO,
1462 show_temp_auto_offset, store_temp_auto_offset, 0, 0);
1463static SENSOR_DEVICE_ATTR_2(temp1_auto_offset2, S_IWUSR | S_IRUGO,
1464 show_temp_auto_offset, store_temp_auto_offset, 1, 0);
1465static SENSOR_DEVICE_ATTR_2(temp1_auto_offset3, S_IWUSR | S_IRUGO,
1466 show_temp_auto_offset, store_temp_auto_offset, 2, 0);
1467static SENSOR_DEVICE_ATTR_2(temp1_auto_offset4, S_IWUSR | S_IRUGO,
1468 show_temp_auto_offset, store_temp_auto_offset, 3, 0);
1469static SENSOR_DEVICE_ATTR_2(temp1_auto_offset5, S_IWUSR | S_IRUGO,
1470 show_temp_auto_offset, store_temp_auto_offset, 4, 0);
1471static SENSOR_DEVICE_ATTR_2(temp1_auto_offset6, S_IWUSR | S_IRUGO,
1472 show_temp_auto_offset, store_temp_auto_offset, 5, 0);
1473static SENSOR_DEVICE_ATTR_2(temp1_auto_offset7, S_IWUSR | S_IRUGO,
1474 show_temp_auto_offset, store_temp_auto_offset, 6, 0);
1475static SENSOR_DEVICE_ATTR_2(temp1_auto_offset8, S_IWUSR | S_IRUGO,
1476 show_temp_auto_offset, store_temp_auto_offset, 7, 0);
1477static SENSOR_DEVICE_ATTR_2(temp1_auto_offset9, S_IWUSR | S_IRUGO,
1478 show_temp_auto_offset, store_temp_auto_offset, 8, 0);
1479static SENSOR_DEVICE_ATTR_2(temp1_auto_offset10, S_IWUSR | S_IRUGO,
1480 show_temp_auto_offset, store_temp_auto_offset, 9, 0);
1481static SENSOR_DEVICE_ATTR_2(temp1_auto_offset11, S_IWUSR | S_IRUGO,
1482 show_temp_auto_offset, store_temp_auto_offset, 10, 0);
1483static SENSOR_DEVICE_ATTR_2(temp1_auto_offset12, S_IWUSR | S_IRUGO,
1484 show_temp_auto_offset, store_temp_auto_offset, 11, 0);
1485static SENSOR_DEVICE_ATTR_2(temp2_auto_offset1, S_IWUSR | S_IRUGO,
1486 show_temp_auto_offset, store_temp_auto_offset, 0, 1);
1487static SENSOR_DEVICE_ATTR_2(temp2_auto_offset2, S_IWUSR | S_IRUGO,
1488 show_temp_auto_offset, store_temp_auto_offset, 1, 1);
1489static SENSOR_DEVICE_ATTR_2(temp2_auto_offset3, S_IWUSR | S_IRUGO,
1490 show_temp_auto_offset, store_temp_auto_offset, 2, 1);
1491static SENSOR_DEVICE_ATTR_2(temp2_auto_offset4, S_IWUSR | S_IRUGO,
1492 show_temp_auto_offset, store_temp_auto_offset, 3, 1);
1493static SENSOR_DEVICE_ATTR_2(temp2_auto_offset5, S_IWUSR | S_IRUGO,
1494 show_temp_auto_offset, store_temp_auto_offset, 4, 1);
1495static SENSOR_DEVICE_ATTR_2(temp2_auto_offset6, S_IWUSR | S_IRUGO,
1496 show_temp_auto_offset, store_temp_auto_offset, 5, 1);
1497static SENSOR_DEVICE_ATTR_2(temp2_auto_offset7, S_IWUSR | S_IRUGO,
1498 show_temp_auto_offset, store_temp_auto_offset, 6, 1);
1499static SENSOR_DEVICE_ATTR_2(temp2_auto_offset8, S_IWUSR | S_IRUGO,
1500 show_temp_auto_offset, store_temp_auto_offset, 7, 1);
1501static SENSOR_DEVICE_ATTR_2(temp2_auto_offset9, S_IWUSR | S_IRUGO,
1502 show_temp_auto_offset, store_temp_auto_offset, 8, 1);
1503static SENSOR_DEVICE_ATTR_2(temp2_auto_offset10, S_IWUSR | S_IRUGO,
1504 show_temp_auto_offset, store_temp_auto_offset, 9, 1);
1505static SENSOR_DEVICE_ATTR_2(temp2_auto_offset11, S_IWUSR | S_IRUGO,
1506 show_temp_auto_offset, store_temp_auto_offset, 10, 1);
1507static SENSOR_DEVICE_ATTR_2(temp2_auto_offset12, S_IWUSR | S_IRUGO,
1508 show_temp_auto_offset, store_temp_auto_offset, 11, 1);
1509static SENSOR_DEVICE_ATTR_2(temp3_auto_offset1, S_IWUSR | S_IRUGO,
1510 show_temp_auto_offset, store_temp_auto_offset, 0, 2);
1511static SENSOR_DEVICE_ATTR_2(temp3_auto_offset2, S_IWUSR | S_IRUGO,
1512 show_temp_auto_offset, store_temp_auto_offset, 1, 2);
1513static SENSOR_DEVICE_ATTR_2(temp3_auto_offset3, S_IWUSR | S_IRUGO,
1514 show_temp_auto_offset, store_temp_auto_offset, 2, 2);
1515static SENSOR_DEVICE_ATTR_2(temp3_auto_offset4, S_IWUSR | S_IRUGO,
1516 show_temp_auto_offset, store_temp_auto_offset, 3, 2);
1517static SENSOR_DEVICE_ATTR_2(temp3_auto_offset5, S_IWUSR | S_IRUGO,
1518 show_temp_auto_offset, store_temp_auto_offset, 4, 2);
1519static SENSOR_DEVICE_ATTR_2(temp3_auto_offset6, S_IWUSR | S_IRUGO,
1520 show_temp_auto_offset, store_temp_auto_offset, 5, 2);
1521static SENSOR_DEVICE_ATTR_2(temp3_auto_offset7, S_IWUSR | S_IRUGO,
1522 show_temp_auto_offset, store_temp_auto_offset, 6, 2);
1523static SENSOR_DEVICE_ATTR_2(temp3_auto_offset8, S_IWUSR | S_IRUGO,
1524 show_temp_auto_offset, store_temp_auto_offset, 7, 2);
1525static SENSOR_DEVICE_ATTR_2(temp3_auto_offset9, S_IWUSR | S_IRUGO,
1526 show_temp_auto_offset, store_temp_auto_offset, 8, 2);
1527static SENSOR_DEVICE_ATTR_2(temp3_auto_offset10, S_IWUSR | S_IRUGO,
1528 show_temp_auto_offset, store_temp_auto_offset, 9, 2);
1529static SENSOR_DEVICE_ATTR_2(temp3_auto_offset11, S_IWUSR | S_IRUGO,
1530 show_temp_auto_offset, store_temp_auto_offset, 10, 2);
1531static SENSOR_DEVICE_ATTR_2(temp3_auto_offset12, S_IWUSR | S_IRUGO,
1532 show_temp_auto_offset, store_temp_auto_offset, 11, 2);
1533
1534static ssize_t show_temp_auto_pwm_min(struct device *dev,
1535 struct device_attribute *attr, char *buf)
1536{
1537 int nr = (to_sensor_dev_attr(attr))->index;
1538 u8 reg, ctl4;
1539 struct lm93_data *data = lm93_update_device(dev);
1540 reg = data->auto_pwm_min_hyst[nr/2] >> 4 & 0x0f;
1541 ctl4 = data->block9[nr][LM93_PWM_CTL4];
1542 return sprintf(buf,"%d\n",LM93_PWM_FROM_REG(reg, (ctl4 & 0x07) ?
1543 LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ));
1544}
1545
1546static ssize_t store_temp_auto_pwm_min(struct device *dev,
1547 struct device_attribute *attr,
1548 const char *buf, size_t count)
1549{
1550 int nr = (to_sensor_dev_attr(attr))->index;
1551 struct i2c_client *client = to_i2c_client(dev);
1552 struct lm93_data *data = i2c_get_clientdata(client);
1553 u32 val = simple_strtoul(buf, NULL, 10);
1554 u8 reg, ctl4;
1555
1556 mutex_lock(&data->update_lock);
1557 reg = lm93_read_byte(client, LM93_REG_PWM_MIN_HYST(nr));
1558 ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr,LM93_PWM_CTL4));
1559 reg = (reg & 0x0f) |
1560 LM93_PWM_TO_REG(val, (ctl4 & 0x07) ?
1561 LM93_PWM_MAP_LO_FREQ :
1562 LM93_PWM_MAP_HI_FREQ) << 4;
1563 data->auto_pwm_min_hyst[nr/2] = reg;
1564 lm93_write_byte(client, LM93_REG_PWM_MIN_HYST(nr), reg);
1565 mutex_unlock(&data->update_lock);
1566 return count;
1567}
1568
1569static SENSOR_DEVICE_ATTR(temp1_auto_pwm_min, S_IWUSR | S_IRUGO,
1570 show_temp_auto_pwm_min,
1571 store_temp_auto_pwm_min, 0);
1572static SENSOR_DEVICE_ATTR(temp2_auto_pwm_min, S_IWUSR | S_IRUGO,
1573 show_temp_auto_pwm_min,
1574 store_temp_auto_pwm_min, 1);
1575static SENSOR_DEVICE_ATTR(temp3_auto_pwm_min, S_IWUSR | S_IRUGO,
1576 show_temp_auto_pwm_min,
1577 store_temp_auto_pwm_min, 2);
1578
1579static ssize_t show_temp_auto_offset_hyst(struct device *dev,
1580 struct device_attribute *attr, char *buf)
1581{
1582 int nr = (to_sensor_dev_attr(attr))->index;
1583 struct lm93_data *data = lm93_update_device(dev);
1584 int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);
1585 return sprintf(buf,"%d\n",LM93_TEMP_OFFSET_FROM_REG(
1586 data->auto_pwm_min_hyst[nr/2], mode));
1587}
1588
1589static ssize_t store_temp_auto_offset_hyst(struct device *dev,
1590 struct device_attribute *attr,
1591 const char *buf, size_t count)
1592{
1593 int nr = (to_sensor_dev_attr(attr))->index;
1594 struct i2c_client *client = to_i2c_client(dev);
1595 struct lm93_data *data = i2c_get_clientdata(client);
1596 u32 val = simple_strtoul(buf, NULL, 10);
1597 u8 reg;
1598
1599 mutex_lock(&data->update_lock);
1600 /* force 0.5C/bit mode */
1601 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
1602 data->sfc2 |= ((nr < 2) ? 0x10 : 0x20);
1603 lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);
1604 reg = data->auto_pwm_min_hyst[nr/2];
1605 reg = (reg & 0xf0) | (LM93_TEMP_OFFSET_TO_REG(val, 1) & 0x0f);
1606 data->auto_pwm_min_hyst[nr/2] = reg;
1607 lm93_write_byte(client, LM93_REG_PWM_MIN_HYST(nr), reg);
1608 mutex_unlock(&data->update_lock);
1609 return count;
1610}
1611
1612static SENSOR_DEVICE_ATTR(temp1_auto_offset_hyst, S_IWUSR | S_IRUGO,
1613 show_temp_auto_offset_hyst,
1614 store_temp_auto_offset_hyst, 0);
1615static SENSOR_DEVICE_ATTR(temp2_auto_offset_hyst, S_IWUSR | S_IRUGO,
1616 show_temp_auto_offset_hyst,
1617 store_temp_auto_offset_hyst, 1);
1618static SENSOR_DEVICE_ATTR(temp3_auto_offset_hyst, S_IWUSR | S_IRUGO,
1619 show_temp_auto_offset_hyst,
1620 store_temp_auto_offset_hyst, 2);
1621
1622static ssize_t show_fan_input(struct device *dev,
1623 struct device_attribute *attr, char *buf)
1624{
1625 struct sensor_device_attribute *s_attr = to_sensor_dev_attr(attr);
1626 int nr = s_attr->index;
1627 struct lm93_data *data = lm93_update_device(dev);
1628
1629 return sprintf(buf,"%d\n",LM93_FAN_FROM_REG(data->block5[nr]));
1630}
1631
1632static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0);
1633static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan_input, NULL, 1);
1634static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan_input, NULL, 2);
1635static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan_input, NULL, 3);
1636
1637static ssize_t show_fan_min(struct device *dev,
1638 struct device_attribute *attr, char *buf)
1639{
1640 int nr = (to_sensor_dev_attr(attr))->index;
1641 struct lm93_data *data = lm93_update_device(dev);
1642
1643 return sprintf(buf,"%d\n",LM93_FAN_FROM_REG(data->block8[nr]));
1644}
1645
1646static ssize_t store_fan_min(struct device *dev, struct device_attribute *attr,
1647 const char *buf, size_t count)
1648{
1649 int nr = (to_sensor_dev_attr(attr))->index;
1650 struct i2c_client *client = to_i2c_client(dev);
1651 struct lm93_data *data = i2c_get_clientdata(client);
1652 u32 val = simple_strtoul(buf, NULL, 10);
1653
1654 mutex_lock(&data->update_lock);
1655 data->block8[nr] = LM93_FAN_TO_REG(val);
1656 lm93_write_word(client,LM93_REG_FAN_MIN(nr),data->block8[nr]);
1657 mutex_unlock(&data->update_lock);
1658 return count;
1659}
1660
1661static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO,
1662 show_fan_min, store_fan_min, 0);
1663static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO,
1664 show_fan_min, store_fan_min, 1);
1665static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO,
1666 show_fan_min, store_fan_min, 2);
1667static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO,
1668 show_fan_min, store_fan_min, 3);
1669
1670/* some tedious bit-twiddling here to deal with the register format:
1671
1672 data->sf_tach_to_pwm: (tach to pwm mapping bits)
1673
1674 bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
1675 T4:P2 T4:P1 T3:P2 T3:P1 T2:P2 T2:P1 T1:P2 T1:P1
1676
1677 data->sfc2: (enable bits)
1678
1679 bit | 3 | 2 | 1 | 0
1680 T4 T3 T2 T1
1681*/
1682
1683static ssize_t show_fan_smart_tach(struct device *dev,
1684 struct device_attribute *attr, char *buf)
1685{
1686 int nr = (to_sensor_dev_attr(attr))->index;
1687 struct lm93_data *data = lm93_update_device(dev);
1688 long rc = 0;
1689 int mapping;
1690
1691 /* extract the relevant mapping */
1692 mapping = (data->sf_tach_to_pwm >> (nr * 2)) & 0x03;
1693
1694 /* if there's a mapping and it's enabled */
1695 if (mapping && ((data->sfc2 >> nr) & 0x01))
1696 rc = mapping;
1697 return sprintf(buf,"%ld\n",rc);
1698}
1699
1700/* helper function - must grab data->update_lock before calling
1701 fan is 0-3, indicating fan1-fan4 */
1702static void lm93_write_fan_smart_tach(struct i2c_client *client,
1703 struct lm93_data *data, int fan, long value)
1704{
1705 /* insert the new mapping and write it out */
1706 data->sf_tach_to_pwm = lm93_read_byte(client, LM93_REG_SF_TACH_TO_PWM);
1707 data->sf_tach_to_pwm &= ~(0x3 << fan * 2);
1708 data->sf_tach_to_pwm |= value << fan * 2;
1709 lm93_write_byte(client, LM93_REG_SF_TACH_TO_PWM, data->sf_tach_to_pwm);
1710
1711 /* insert the enable bit and write it out */
1712 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
1713 if (value)
1714 data->sfc2 |= 1 << fan;
1715 else
1716 data->sfc2 &= ~(1 << fan);
1717 lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);
1718}
1719
1720static ssize_t store_fan_smart_tach(struct device *dev,
1721 struct device_attribute *attr,
1722 const char *buf, size_t count)
1723{
1724 int nr = (to_sensor_dev_attr(attr))->index;
1725 struct i2c_client *client = to_i2c_client(dev);
1726 struct lm93_data *data = i2c_get_clientdata(client);
1727 u32 val = simple_strtoul(buf, NULL, 10);
1728
1729 mutex_lock(&data->update_lock);
1730 /* sanity test, ignore the write otherwise */
1731 if (0 <= val && val <= 2) {
1732 /* can't enable if pwm freq is 22.5KHz */
1733 if (val) {
1734 u8 ctl4 = lm93_read_byte(client,
1735 LM93_REG_PWM_CTL(val-1,LM93_PWM_CTL4));
1736 if ((ctl4 & 0x07) == 0)
1737 val = 0;
1738 }
1739 lm93_write_fan_smart_tach(client, data, nr, val);
1740 }
1741 mutex_unlock(&data->update_lock);
1742 return count;
1743}
1744
1745static SENSOR_DEVICE_ATTR(fan1_smart_tach, S_IWUSR | S_IRUGO,
1746 show_fan_smart_tach, store_fan_smart_tach, 0);
1747static SENSOR_DEVICE_ATTR(fan2_smart_tach, S_IWUSR | S_IRUGO,
1748 show_fan_smart_tach, store_fan_smart_tach, 1);
1749static SENSOR_DEVICE_ATTR(fan3_smart_tach, S_IWUSR | S_IRUGO,
1750 show_fan_smart_tach, store_fan_smart_tach, 2);
1751static SENSOR_DEVICE_ATTR(fan4_smart_tach, S_IWUSR | S_IRUGO,
1752 show_fan_smart_tach, store_fan_smart_tach, 3);
1753
1754static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
1755 char *buf)
1756{
1757 int nr = (to_sensor_dev_attr(attr))->index;
1758 struct lm93_data *data = lm93_update_device(dev);
1759 u8 ctl2, ctl4;
1760 long rc;
1761
1762 ctl2 = data->block9[nr][LM93_PWM_CTL2];
1763 ctl4 = data->block9[nr][LM93_PWM_CTL4];
1764 if (ctl2 & 0x01) /* show user commanded value if enabled */
1765 rc = data->pwm_override[nr];
1766 else /* show present h/w value if manual pwm disabled */
1767 rc = LM93_PWM_FROM_REG(ctl2 >> 4, (ctl4 & 0x07) ?
1768 LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ);
1769 return sprintf(buf,"%ld\n",rc);
1770}
1771
1772static ssize_t store_pwm(struct device *dev, struct device_attribute *attr,
1773 const char *buf, size_t count)
1774{
1775 int nr = (to_sensor_dev_attr(attr))->index;
1776 struct i2c_client *client = to_i2c_client(dev);
1777 struct lm93_data *data = i2c_get_clientdata(client);
1778 u32 val = simple_strtoul(buf, NULL, 10);
1779 u8 ctl2, ctl4;
1780
1781 mutex_lock(&data->update_lock);
1782 ctl2 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL2));
1783 ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr,LM93_PWM_CTL4));
1784 ctl2 = (ctl2 & 0x0f) | LM93_PWM_TO_REG(val,(ctl4 & 0x07) ?
1785 LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ) << 4;
1786 /* save user commanded value */
1787 data->pwm_override[nr] = LM93_PWM_FROM_REG(ctl2 >> 4,
1788 (ctl4 & 0x07) ? LM93_PWM_MAP_LO_FREQ :
1789 LM93_PWM_MAP_HI_FREQ);
1790 lm93_write_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL2),ctl2);
1791 mutex_unlock(&data->update_lock);
1792 return count;
1793}
1794
1795static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0);
1796static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1);
1797
1798static ssize_t show_pwm_enable(struct device *dev,
1799 struct device_attribute *attr, char *buf)
1800{
1801 int nr = (to_sensor_dev_attr(attr))->index;
1802 struct lm93_data *data = lm93_update_device(dev);
1803 u8 ctl2;
1804 long rc;
1805
1806 ctl2 = data->block9[nr][LM93_PWM_CTL2];
1807 if (ctl2 & 0x01) /* manual override enabled ? */
1808 rc = ((ctl2 & 0xF0) == 0xF0) ? 0 : 1;
1809 else
1810 rc = 2;
1811 return sprintf(buf,"%ld\n",rc);
1812}
1813
1814static ssize_t store_pwm_enable(struct device *dev,
1815 struct device_attribute *attr,
1816 const char *buf, size_t count)
1817{
1818 int nr = (to_sensor_dev_attr(attr))->index;
1819 struct i2c_client *client = to_i2c_client(dev);
1820 struct lm93_data *data = i2c_get_clientdata(client);
1821 u32 val = simple_strtoul(buf, NULL, 10);
1822 u8 ctl2;
1823
1824 mutex_lock(&data->update_lock);
1825 ctl2 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL2));
1826
1827 switch (val) {
1828 case 0:
1829 ctl2 |= 0xF1; /* enable manual override, set PWM to max */
1830 break;
1831 case 1: ctl2 |= 0x01; /* enable manual override */
1832 break;
1833 case 2: ctl2 &= ~0x01; /* disable manual override */
1834 break;
1835 default:
1836 mutex_unlock(&data->update_lock);
1837 return -EINVAL;
1838 }
1839
1840 lm93_write_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL2),ctl2);
1841 mutex_unlock(&data->update_lock);
1842 return count;
1843}
1844
1845static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO,
1846 show_pwm_enable, store_pwm_enable, 0);
1847static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO,
1848 show_pwm_enable, store_pwm_enable, 1);
1849
1850static ssize_t show_pwm_freq(struct device *dev, struct device_attribute *attr,
1851 char *buf)
1852{
1853 int nr = (to_sensor_dev_attr(attr))->index;
1854 struct lm93_data *data = lm93_update_device(dev);
1855 u8 ctl4;
1856
1857 ctl4 = data->block9[nr][LM93_PWM_CTL4];
1858 return sprintf(buf,"%d\n",LM93_PWM_FREQ_FROM_REG(ctl4));
1859}
1860
1861/* helper function - must grab data->update_lock before calling
1862 pwm is 0-1, indicating pwm1-pwm2
1863 this disables smart tach for all tach channels bound to the given pwm */
1864static void lm93_disable_fan_smart_tach(struct i2c_client *client,
1865 struct lm93_data *data, int pwm)
1866{
1867 int mapping = lm93_read_byte(client, LM93_REG_SF_TACH_TO_PWM);
1868 int mask;
1869
1870 /* collapse the mapping into a mask of enable bits */
1871 mapping = (mapping >> pwm) & 0x55;
1872 mask = mapping & 0x01;
1873 mask |= (mapping & 0x04) >> 1;
1874 mask |= (mapping & 0x10) >> 2;
1875 mask |= (mapping & 0x40) >> 3;
1876
1877 /* disable smart tach according to the mask */
1878 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
1879 data->sfc2 &= ~mask;
1880 lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);
1881}
1882
1883static ssize_t store_pwm_freq(struct device *dev,
1884 struct device_attribute *attr,
1885 const char *buf, size_t count)
1886{
1887 int nr = (to_sensor_dev_attr(attr))->index;
1888 struct i2c_client *client = to_i2c_client(dev);
1889 struct lm93_data *data = i2c_get_clientdata(client);
1890 u32 val = simple_strtoul(buf, NULL, 10);
1891 u8 ctl4;
1892
1893 mutex_lock(&data->update_lock);
1894 ctl4 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL4));
1895 ctl4 = (ctl4 & 0xf8) | LM93_PWM_FREQ_TO_REG(val);
1896 data->block9[nr][LM93_PWM_CTL4] = ctl4;
1897 /* ctl4 == 0 -> 22.5KHz -> disable smart tach */
1898 if (!ctl4)
1899 lm93_disable_fan_smart_tach(client, data, nr);
1900 lm93_write_byte(client, LM93_REG_PWM_CTL(nr,LM93_PWM_CTL4), ctl4);
1901 mutex_unlock(&data->update_lock);
1902 return count;
1903}
1904
1905static SENSOR_DEVICE_ATTR(pwm1_freq, S_IWUSR | S_IRUGO,
1906 show_pwm_freq, store_pwm_freq, 0);
1907static SENSOR_DEVICE_ATTR(pwm2_freq, S_IWUSR | S_IRUGO,
1908 show_pwm_freq, store_pwm_freq, 1);
1909
1910static ssize_t show_pwm_auto_channels(struct device *dev,
1911 struct device_attribute *attr, char *buf)
1912{
1913 int nr = (to_sensor_dev_attr(attr))->index;
1914 struct lm93_data *data = lm93_update_device(dev);
1915 return sprintf(buf,"%d\n",data->block9[nr][LM93_PWM_CTL1]);
1916}
1917
1918static ssize_t store_pwm_auto_channels(struct device *dev,
1919 struct device_attribute *attr,
1920 const char *buf, size_t count)
1921{
1922 int nr = (to_sensor_dev_attr(attr))->index;
1923 struct i2c_client *client = to_i2c_client(dev);
1924 struct lm93_data *data = i2c_get_clientdata(client);
1925 u32 val = simple_strtoul(buf, NULL, 10);
1926
1927 mutex_lock(&data->update_lock);
1928 data->block9[nr][LM93_PWM_CTL1] = SENSORS_LIMIT(val, 0, 255);
1929 lm93_write_byte(client, LM93_REG_PWM_CTL(nr,LM93_PWM_CTL1),
1930 data->block9[nr][LM93_PWM_CTL1]);
1931 mutex_unlock(&data->update_lock);
1932 return count;
1933}
1934
1935static SENSOR_DEVICE_ATTR(pwm1_auto_channels, S_IWUSR | S_IRUGO,
1936 show_pwm_auto_channels, store_pwm_auto_channels, 0);
1937static SENSOR_DEVICE_ATTR(pwm2_auto_channels, S_IWUSR | S_IRUGO,
1938 show_pwm_auto_channels, store_pwm_auto_channels, 1);
1939
1940static ssize_t show_pwm_auto_spinup_min(struct device *dev,
1941 struct device_attribute *attr,char *buf)
1942{
1943 int nr = (to_sensor_dev_attr(attr))->index;
1944 struct lm93_data *data = lm93_update_device(dev);
1945 u8 ctl3, ctl4;
1946
1947 ctl3 = data->block9[nr][LM93_PWM_CTL3];
1948 ctl4 = data->block9[nr][LM93_PWM_CTL4];
1949 return sprintf(buf,"%d\n",
1950 LM93_PWM_FROM_REG(ctl3 & 0x0f, (ctl4 & 0x07) ?
1951 LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ));
1952}
1953
1954static ssize_t store_pwm_auto_spinup_min(struct device *dev,
1955 struct device_attribute *attr,
1956 const char *buf, size_t count)
1957{
1958 int nr = (to_sensor_dev_attr(attr))->index;
1959 struct i2c_client *client = to_i2c_client(dev);
1960 struct lm93_data *data = i2c_get_clientdata(client);
1961 u32 val = simple_strtoul(buf, NULL, 10);
1962 u8 ctl3, ctl4;
1963
1964 mutex_lock(&data->update_lock);
1965 ctl3 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3));
1966 ctl4 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
1967 ctl3 = (ctl3 & 0xf0) | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ?
1968 LM93_PWM_MAP_LO_FREQ :
1969 LM93_PWM_MAP_HI_FREQ);
1970 data->block9[nr][LM93_PWM_CTL3] = ctl3;
1971 lm93_write_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3);
1972 mutex_unlock(&data->update_lock);
1973 return count;
1974}
1975
1976static SENSOR_DEVICE_ATTR(pwm1_auto_spinup_min, S_IWUSR | S_IRUGO,
1977 show_pwm_auto_spinup_min,
1978 store_pwm_auto_spinup_min, 0);
1979static SENSOR_DEVICE_ATTR(pwm2_auto_spinup_min, S_IWUSR | S_IRUGO,
1980 show_pwm_auto_spinup_min,
1981 store_pwm_auto_spinup_min, 1);
1982
1983static ssize_t show_pwm_auto_spinup_time(struct device *dev,
1984 struct device_attribute *attr, char *buf)
1985{
1986 int nr = (to_sensor_dev_attr(attr))->index;
1987 struct lm93_data *data = lm93_update_device(dev);
1988 return sprintf(buf,"%d\n",LM93_SPINUP_TIME_FROM_REG(
1989 data->block9[nr][LM93_PWM_CTL3]));
1990}
1991
1992static ssize_t store_pwm_auto_spinup_time(struct device *dev,
1993 struct device_attribute *attr,
1994 const char *buf, size_t count)
1995{
1996 int nr = (to_sensor_dev_attr(attr))->index;
1997 struct i2c_client *client = to_i2c_client(dev);
1998 struct lm93_data *data = i2c_get_clientdata(client);
1999 u32 val = simple_strtoul(buf, NULL, 10);
2000 u8 ctl3;
2001
2002 mutex_lock(&data->update_lock);
2003 ctl3 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3));
2004 ctl3 = (ctl3 & 0x1f) | (LM93_SPINUP_TIME_TO_REG(val) << 5 & 0xe0);
2005 data->block9[nr][LM93_PWM_CTL3] = ctl3;
2006 lm93_write_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3);
2007 mutex_unlock(&data->update_lock);
2008 return count;
2009}
2010
2011static SENSOR_DEVICE_ATTR(pwm1_auto_spinup_time, S_IWUSR | S_IRUGO,
2012 show_pwm_auto_spinup_time,
2013 store_pwm_auto_spinup_time, 0);
2014static SENSOR_DEVICE_ATTR(pwm2_auto_spinup_time, S_IWUSR | S_IRUGO,
2015 show_pwm_auto_spinup_time,
2016 store_pwm_auto_spinup_time, 1);
2017
2018static ssize_t show_pwm_auto_prochot_ramp(struct device *dev,
2019 struct device_attribute *attr, char *buf)
2020{
2021 struct lm93_data *data = lm93_update_device(dev);
2022 return sprintf(buf,"%d\n",
2023 LM93_RAMP_FROM_REG(data->pwm_ramp_ctl >> 4 & 0x0f));
2024}
2025
2026static ssize_t store_pwm_auto_prochot_ramp(struct device *dev,
2027 struct device_attribute *attr,
2028 const char *buf, size_t count)
2029{
2030 struct i2c_client *client = to_i2c_client(dev);
2031 struct lm93_data *data = i2c_get_clientdata(client);
2032 u32 val = simple_strtoul(buf, NULL, 10);
2033 u8 ramp;
2034
2035 mutex_lock(&data->update_lock);
2036 ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL);
2037 ramp = (ramp & 0x0f) | (LM93_RAMP_TO_REG(val) << 4 & 0xf0);
2038 lm93_write_byte(client, LM93_REG_PWM_RAMP_CTL, ramp);
2039 mutex_unlock(&data->update_lock);
2040 return count;
2041}
2042
2043static DEVICE_ATTR(pwm_auto_prochot_ramp, S_IRUGO | S_IWUSR,
2044 show_pwm_auto_prochot_ramp,
2045 store_pwm_auto_prochot_ramp);
2046
2047static ssize_t show_pwm_auto_vrdhot_ramp(struct device *dev,
2048 struct device_attribute *attr, char *buf)
2049{
2050 struct lm93_data *data = lm93_update_device(dev);
2051 return sprintf(buf,"%d\n",
2052 LM93_RAMP_FROM_REG(data->pwm_ramp_ctl & 0x0f));
2053}
2054
2055static ssize_t store_pwm_auto_vrdhot_ramp(struct device *dev,
2056 struct device_attribute *attr,
2057 const char *buf, size_t count)
2058{
2059 struct i2c_client *client = to_i2c_client(dev);
2060 struct lm93_data *data = i2c_get_clientdata(client);
2061 u32 val = simple_strtoul(buf, NULL, 10);
2062 u8 ramp;
2063
2064 mutex_lock(&data->update_lock);
2065 ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL);
2066 ramp = (ramp & 0xf0) | (LM93_RAMP_TO_REG(val) & 0x0f);
2067 lm93_write_byte(client, LM93_REG_PWM_RAMP_CTL, ramp);
2068 mutex_unlock(&data->update_lock);
2069 return 0;
2070}
2071
2072static DEVICE_ATTR(pwm_auto_vrdhot_ramp, S_IRUGO | S_IWUSR,
2073 show_pwm_auto_vrdhot_ramp,
2074 store_pwm_auto_vrdhot_ramp);
2075
2076static ssize_t show_vid(struct device *dev, struct device_attribute *attr,
2077 char *buf)
2078{
2079 int nr = (to_sensor_dev_attr(attr))->index;
2080 struct lm93_data *data = lm93_update_device(dev);
2081 return sprintf(buf,"%d\n",LM93_VID_FROM_REG(data->vid[nr]));
2082}
2083
2084static SENSOR_DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL, 0);
2085static SENSOR_DEVICE_ATTR(cpu1_vid, S_IRUGO, show_vid, NULL, 1);
2086
2087static ssize_t show_prochot(struct device *dev, struct device_attribute *attr,
2088 char *buf)
2089{
2090 int nr = (to_sensor_dev_attr(attr))->index;
2091 struct lm93_data *data = lm93_update_device(dev);
2092 return sprintf(buf,"%d\n",data->block4[nr].cur);
2093}
2094
2095static SENSOR_DEVICE_ATTR(prochot1, S_IRUGO, show_prochot, NULL, 0);
2096static SENSOR_DEVICE_ATTR(prochot2, S_IRUGO, show_prochot, NULL, 1);
2097
2098static ssize_t show_prochot_avg(struct device *dev,
2099 struct device_attribute *attr, char *buf)
2100{
2101 int nr = (to_sensor_dev_attr(attr))->index;
2102 struct lm93_data *data = lm93_update_device(dev);
2103 return sprintf(buf,"%d\n",data->block4[nr].avg);
2104}
2105
2106static SENSOR_DEVICE_ATTR(prochot1_avg, S_IRUGO, show_prochot_avg, NULL, 0);
2107static SENSOR_DEVICE_ATTR(prochot2_avg, S_IRUGO, show_prochot_avg, NULL, 1);
2108
2109static ssize_t show_prochot_max(struct device *dev,
2110 struct device_attribute *attr, char *buf)
2111{
2112 int nr = (to_sensor_dev_attr(attr))->index;
2113 struct lm93_data *data = lm93_update_device(dev);
2114 return sprintf(buf,"%d\n",data->prochot_max[nr]);
2115}
2116
2117static ssize_t store_prochot_max(struct device *dev,
2118 struct device_attribute *attr,
2119 const char *buf, size_t count)
2120{
2121 int nr = (to_sensor_dev_attr(attr))->index;
2122 struct i2c_client *client = to_i2c_client(dev);
2123 struct lm93_data *data = i2c_get_clientdata(client);
2124 u32 val = simple_strtoul(buf, NULL, 10);
2125
2126 mutex_lock(&data->update_lock);
2127 data->prochot_max[nr] = LM93_PROCHOT_TO_REG(val);
2128 lm93_write_byte(client, LM93_REG_PROCHOT_MAX(nr),
2129 data->prochot_max[nr]);
2130 mutex_unlock(&data->update_lock);
2131 return count;
2132}
2133
2134static SENSOR_DEVICE_ATTR(prochot1_max, S_IWUSR | S_IRUGO,
2135 show_prochot_max, store_prochot_max, 0);
2136static SENSOR_DEVICE_ATTR(prochot2_max, S_IWUSR | S_IRUGO,
2137 show_prochot_max, store_prochot_max, 1);
2138
2139static const u8 prochot_override_mask[] = { 0x80, 0x40 };
2140
2141static ssize_t show_prochot_override(struct device *dev,
2142 struct device_attribute *attr, char *buf)
2143{
2144 int nr = (to_sensor_dev_attr(attr))->index;
2145 struct lm93_data *data = lm93_update_device(dev);
2146 return sprintf(buf,"%d\n",
2147 (data->prochot_override & prochot_override_mask[nr]) ? 1 : 0);
2148}
2149
2150static ssize_t store_prochot_override(struct device *dev,
2151 struct device_attribute *attr,
2152 const char *buf, size_t count)
2153{
2154 int nr = (to_sensor_dev_attr(attr))->index;
2155 struct i2c_client *client = to_i2c_client(dev);
2156 struct lm93_data *data = i2c_get_clientdata(client);
2157 u32 val = simple_strtoul(buf, NULL, 10);
2158
2159 mutex_lock(&data->update_lock);
2160 if (val)
2161 data->prochot_override |= prochot_override_mask[nr];
2162 else
2163 data->prochot_override &= (~prochot_override_mask[nr]);
2164 lm93_write_byte(client, LM93_REG_PROCHOT_OVERRIDE,
2165 data->prochot_override);
2166 mutex_unlock(&data->update_lock);
2167 return count;
2168}
2169
2170static SENSOR_DEVICE_ATTR(prochot1_override, S_IWUSR | S_IRUGO,
2171 show_prochot_override, store_prochot_override, 0);
2172static SENSOR_DEVICE_ATTR(prochot2_override, S_IWUSR | S_IRUGO,
2173 show_prochot_override, store_prochot_override, 1);
2174
2175static ssize_t show_prochot_interval(struct device *dev,
2176 struct device_attribute *attr, char *buf)
2177{
2178 int nr = (to_sensor_dev_attr(attr))->index;
2179 struct lm93_data *data = lm93_update_device(dev);
2180 u8 tmp;
2181 if (nr==1)
2182 tmp = (data->prochot_interval & 0xf0) >> 4;
2183 else
2184 tmp = data->prochot_interval & 0x0f;
2185 return sprintf(buf,"%d\n",LM93_INTERVAL_FROM_REG(tmp));
2186}
2187
2188static ssize_t store_prochot_interval(struct device *dev,
2189 struct device_attribute *attr,
2190 const char *buf, size_t count)
2191{
2192 int nr = (to_sensor_dev_attr(attr))->index;
2193 struct i2c_client *client = to_i2c_client(dev);
2194 struct lm93_data *data = i2c_get_clientdata(client);
2195 u32 val = simple_strtoul(buf, NULL, 10);
2196 u8 tmp;
2197
2198 mutex_lock(&data->update_lock);
2199 tmp = lm93_read_byte(client, LM93_REG_PROCHOT_INTERVAL);
2200 if (nr==1)
2201 tmp = (tmp & 0x0f) | (LM93_INTERVAL_TO_REG(val) << 4);
2202 else
2203 tmp = (tmp & 0xf0) | LM93_INTERVAL_TO_REG(val);
2204 data->prochot_interval = tmp;
2205 lm93_write_byte(client, LM93_REG_PROCHOT_INTERVAL, tmp);
2206 mutex_unlock(&data->update_lock);
2207 return count;
2208}
2209
2210static SENSOR_DEVICE_ATTR(prochot1_interval, S_IWUSR | S_IRUGO,
2211 show_prochot_interval, store_prochot_interval, 0);
2212static SENSOR_DEVICE_ATTR(prochot2_interval, S_IWUSR | S_IRUGO,
2213 show_prochot_interval, store_prochot_interval, 1);
2214
2215static ssize_t show_prochot_override_duty_cycle(struct device *dev,
2216 struct device_attribute *attr,
2217 char *buf)
2218{
2219 struct lm93_data *data = lm93_update_device(dev);
2220 return sprintf(buf,"%d\n",data->prochot_override & 0x0f);
2221}
2222
2223static ssize_t store_prochot_override_duty_cycle(struct device *dev,
2224 struct device_attribute *attr,
2225 const char *buf, size_t count)
2226{
2227 struct i2c_client *client = to_i2c_client(dev);
2228 struct lm93_data *data = i2c_get_clientdata(client);
2229 u32 val = simple_strtoul(buf, NULL, 10);
2230
2231 mutex_lock(&data->update_lock);
2232 data->prochot_override = (data->prochot_override & 0xf0) |
2233 SENSORS_LIMIT(val, 0, 15);
2234 lm93_write_byte(client, LM93_REG_PROCHOT_OVERRIDE,
2235 data->prochot_override);
2236 mutex_unlock(&data->update_lock);
2237 return count;
2238}
2239
2240static DEVICE_ATTR(prochot_override_duty_cycle, S_IRUGO | S_IWUSR,
2241 show_prochot_override_duty_cycle,
2242 store_prochot_override_duty_cycle);
2243
2244static ssize_t show_prochot_short(struct device *dev,
2245 struct device_attribute *attr, char *buf)
2246{
2247 struct lm93_data *data = lm93_update_device(dev);
2248 return sprintf(buf,"%d\n",(data->config & 0x10) ? 1 : 0);
2249}
2250
2251static ssize_t store_prochot_short(struct device *dev,
2252 struct device_attribute *attr,
2253 const char *buf, size_t count)
2254{
2255 struct i2c_client *client = to_i2c_client(dev);
2256 struct lm93_data *data = i2c_get_clientdata(client);
2257 u32 val = simple_strtoul(buf, NULL, 10);
2258
2259 mutex_lock(&data->update_lock);
2260 if (val)
2261 data->config |= 0x10;
2262 else
2263 data->config &= ~0x10;
2264 lm93_write_byte(client, LM93_REG_CONFIG, data->config);
2265 mutex_unlock(&data->update_lock);
2266 return count;
2267}
2268
2269static DEVICE_ATTR(prochot_short, S_IRUGO | S_IWUSR,
2270 show_prochot_short, store_prochot_short);
2271
2272static ssize_t show_vrdhot(struct device *dev, struct device_attribute *attr,
2273 char *buf)
2274{
2275 int nr = (to_sensor_dev_attr(attr))->index;
2276 struct lm93_data *data = lm93_update_device(dev);
2277 return sprintf(buf,"%d\n",
2278 data->block1.host_status_1 & (1 << (nr+4)) ? 1 : 0);
2279}
2280
2281static SENSOR_DEVICE_ATTR(vrdhot1, S_IRUGO, show_vrdhot, NULL, 0);
2282static SENSOR_DEVICE_ATTR(vrdhot2, S_IRUGO, show_vrdhot, NULL, 1);
2283
2284static ssize_t show_gpio(struct device *dev, struct device_attribute *attr,
2285 char *buf)
2286{
2287 struct lm93_data *data = lm93_update_device(dev);
2288 return sprintf(buf,"%d\n",LM93_GPI_FROM_REG(data->gpi));
2289}
2290
2291static DEVICE_ATTR(gpio, S_IRUGO, show_gpio, NULL);
2292
2293static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
2294 char *buf)
2295{
2296 struct lm93_data *data = lm93_update_device(dev);
2297 return sprintf(buf,"%d\n",LM93_ALARMS_FROM_REG(data->block1));
2298}
2299
2300static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
2301
2302static struct attribute *lm93_attrs[] = {
2303 &sensor_dev_attr_in1_input.dev_attr.attr,
2304 &sensor_dev_attr_in2_input.dev_attr.attr,
2305 &sensor_dev_attr_in3_input.dev_attr.attr,
2306 &sensor_dev_attr_in4_input.dev_attr.attr,
2307 &sensor_dev_attr_in5_input.dev_attr.attr,
2308 &sensor_dev_attr_in6_input.dev_attr.attr,
2309 &sensor_dev_attr_in7_input.dev_attr.attr,
2310 &sensor_dev_attr_in8_input.dev_attr.attr,
2311 &sensor_dev_attr_in9_input.dev_attr.attr,
2312 &sensor_dev_attr_in10_input.dev_attr.attr,
2313 &sensor_dev_attr_in11_input.dev_attr.attr,
2314 &sensor_dev_attr_in12_input.dev_attr.attr,
2315 &sensor_dev_attr_in13_input.dev_attr.attr,
2316 &sensor_dev_attr_in14_input.dev_attr.attr,
2317 &sensor_dev_attr_in15_input.dev_attr.attr,
2318 &sensor_dev_attr_in16_input.dev_attr.attr,
2319 &sensor_dev_attr_in1_min.dev_attr.attr,
2320 &sensor_dev_attr_in2_min.dev_attr.attr,
2321 &sensor_dev_attr_in3_min.dev_attr.attr,
2322 &sensor_dev_attr_in4_min.dev_attr.attr,
2323 &sensor_dev_attr_in5_min.dev_attr.attr,
2324 &sensor_dev_attr_in6_min.dev_attr.attr,
2325 &sensor_dev_attr_in7_min.dev_attr.attr,
2326 &sensor_dev_attr_in8_min.dev_attr.attr,
2327 &sensor_dev_attr_in9_min.dev_attr.attr,
2328 &sensor_dev_attr_in10_min.dev_attr.attr,
2329 &sensor_dev_attr_in11_min.dev_attr.attr,
2330 &sensor_dev_attr_in12_min.dev_attr.attr,
2331 &sensor_dev_attr_in13_min.dev_attr.attr,
2332 &sensor_dev_attr_in14_min.dev_attr.attr,
2333 &sensor_dev_attr_in15_min.dev_attr.attr,
2334 &sensor_dev_attr_in16_min.dev_attr.attr,
2335 &sensor_dev_attr_in1_max.dev_attr.attr,
2336 &sensor_dev_attr_in2_max.dev_attr.attr,
2337 &sensor_dev_attr_in3_max.dev_attr.attr,
2338 &sensor_dev_attr_in4_max.dev_attr.attr,
2339 &sensor_dev_attr_in5_max.dev_attr.attr,
2340 &sensor_dev_attr_in6_max.dev_attr.attr,
2341 &sensor_dev_attr_in7_max.dev_attr.attr,
2342 &sensor_dev_attr_in8_max.dev_attr.attr,
2343 &sensor_dev_attr_in9_max.dev_attr.attr,
2344 &sensor_dev_attr_in10_max.dev_attr.attr,
2345 &sensor_dev_attr_in11_max.dev_attr.attr,
2346 &sensor_dev_attr_in12_max.dev_attr.attr,
2347 &sensor_dev_attr_in13_max.dev_attr.attr,
2348 &sensor_dev_attr_in14_max.dev_attr.attr,
2349 &sensor_dev_attr_in15_max.dev_attr.attr,
2350 &sensor_dev_attr_in16_max.dev_attr.attr,
2351 &sensor_dev_attr_temp1_input.dev_attr.attr,
2352 &sensor_dev_attr_temp2_input.dev_attr.attr,
2353 &sensor_dev_attr_temp3_input.dev_attr.attr,
2354 &sensor_dev_attr_temp1_min.dev_attr.attr,
2355 &sensor_dev_attr_temp2_min.dev_attr.attr,
2356 &sensor_dev_attr_temp3_min.dev_attr.attr,
2357 &sensor_dev_attr_temp1_max.dev_attr.attr,
2358 &sensor_dev_attr_temp2_max.dev_attr.attr,
2359 &sensor_dev_attr_temp3_max.dev_attr.attr,
2360 &sensor_dev_attr_temp1_auto_base.dev_attr.attr,
2361 &sensor_dev_attr_temp2_auto_base.dev_attr.attr,
2362 &sensor_dev_attr_temp3_auto_base.dev_attr.attr,
2363 &sensor_dev_attr_temp1_auto_boost.dev_attr.attr,
2364 &sensor_dev_attr_temp2_auto_boost.dev_attr.attr,
2365 &sensor_dev_attr_temp3_auto_boost.dev_attr.attr,
2366 &sensor_dev_attr_temp1_auto_boost_hyst.dev_attr.attr,
2367 &sensor_dev_attr_temp2_auto_boost_hyst.dev_attr.attr,
2368 &sensor_dev_attr_temp3_auto_boost_hyst.dev_attr.attr,
2369 &sensor_dev_attr_temp1_auto_offset1.dev_attr.attr,
2370 &sensor_dev_attr_temp1_auto_offset2.dev_attr.attr,
2371 &sensor_dev_attr_temp1_auto_offset3.dev_attr.attr,
2372 &sensor_dev_attr_temp1_auto_offset4.dev_attr.attr,
2373 &sensor_dev_attr_temp1_auto_offset5.dev_attr.attr,
2374 &sensor_dev_attr_temp1_auto_offset6.dev_attr.attr,
2375 &sensor_dev_attr_temp1_auto_offset7.dev_attr.attr,
2376 &sensor_dev_attr_temp1_auto_offset8.dev_attr.attr,
2377 &sensor_dev_attr_temp1_auto_offset9.dev_attr.attr,
2378 &sensor_dev_attr_temp1_auto_offset10.dev_attr.attr,
2379 &sensor_dev_attr_temp1_auto_offset11.dev_attr.attr,
2380 &sensor_dev_attr_temp1_auto_offset12.dev_attr.attr,
2381 &sensor_dev_attr_temp2_auto_offset1.dev_attr.attr,
2382 &sensor_dev_attr_temp2_auto_offset2.dev_attr.attr,
2383 &sensor_dev_attr_temp2_auto_offset3.dev_attr.attr,
2384 &sensor_dev_attr_temp2_auto_offset4.dev_attr.attr,
2385 &sensor_dev_attr_temp2_auto_offset5.dev_attr.attr,
2386 &sensor_dev_attr_temp2_auto_offset6.dev_attr.attr,
2387 &sensor_dev_attr_temp2_auto_offset7.dev_attr.attr,
2388 &sensor_dev_attr_temp2_auto_offset8.dev_attr.attr,
2389 &sensor_dev_attr_temp2_auto_offset9.dev_attr.attr,
2390 &sensor_dev_attr_temp2_auto_offset10.dev_attr.attr,
2391 &sensor_dev_attr_temp2_auto_offset11.dev_attr.attr,
2392 &sensor_dev_attr_temp2_auto_offset12.dev_attr.attr,
2393 &sensor_dev_attr_temp3_auto_offset1.dev_attr.attr,
2394 &sensor_dev_attr_temp3_auto_offset2.dev_attr.attr,
2395 &sensor_dev_attr_temp3_auto_offset3.dev_attr.attr,
2396 &sensor_dev_attr_temp3_auto_offset4.dev_attr.attr,
2397 &sensor_dev_attr_temp3_auto_offset5.dev_attr.attr,
2398 &sensor_dev_attr_temp3_auto_offset6.dev_attr.attr,
2399 &sensor_dev_attr_temp3_auto_offset7.dev_attr.attr,
2400 &sensor_dev_attr_temp3_auto_offset8.dev_attr.attr,
2401 &sensor_dev_attr_temp3_auto_offset9.dev_attr.attr,
2402 &sensor_dev_attr_temp3_auto_offset10.dev_attr.attr,
2403 &sensor_dev_attr_temp3_auto_offset11.dev_attr.attr,
2404 &sensor_dev_attr_temp3_auto_offset12.dev_attr.attr,
2405 &sensor_dev_attr_temp1_auto_pwm_min.dev_attr.attr,
2406 &sensor_dev_attr_temp2_auto_pwm_min.dev_attr.attr,
2407 &sensor_dev_attr_temp3_auto_pwm_min.dev_attr.attr,
2408 &sensor_dev_attr_temp1_auto_offset_hyst.dev_attr.attr,
2409 &sensor_dev_attr_temp2_auto_offset_hyst.dev_attr.attr,
2410 &sensor_dev_attr_temp3_auto_offset_hyst.dev_attr.attr,
2411 &sensor_dev_attr_fan1_input.dev_attr.attr,
2412 &sensor_dev_attr_fan2_input.dev_attr.attr,
2413 &sensor_dev_attr_fan3_input.dev_attr.attr,
2414 &sensor_dev_attr_fan4_input.dev_attr.attr,
2415 &sensor_dev_attr_fan1_min.dev_attr.attr,
2416 &sensor_dev_attr_fan2_min.dev_attr.attr,
2417 &sensor_dev_attr_fan3_min.dev_attr.attr,
2418 &sensor_dev_attr_fan4_min.dev_attr.attr,
2419 &sensor_dev_attr_fan1_smart_tach.dev_attr.attr,
2420 &sensor_dev_attr_fan2_smart_tach.dev_attr.attr,
2421 &sensor_dev_attr_fan3_smart_tach.dev_attr.attr,
2422 &sensor_dev_attr_fan4_smart_tach.dev_attr.attr,
2423 &sensor_dev_attr_pwm1.dev_attr.attr,
2424 &sensor_dev_attr_pwm2.dev_attr.attr,
2425 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
2426 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
2427 &sensor_dev_attr_pwm1_freq.dev_attr.attr,
2428 &sensor_dev_attr_pwm2_freq.dev_attr.attr,
2429 &sensor_dev_attr_pwm1_auto_channels.dev_attr.attr,
2430 &sensor_dev_attr_pwm2_auto_channels.dev_attr.attr,
2431 &sensor_dev_attr_pwm1_auto_spinup_min.dev_attr.attr,
2432 &sensor_dev_attr_pwm2_auto_spinup_min.dev_attr.attr,
2433 &sensor_dev_attr_pwm1_auto_spinup_time.dev_attr.attr,
2434 &sensor_dev_attr_pwm2_auto_spinup_time.dev_attr.attr,
2435 &dev_attr_pwm_auto_prochot_ramp.attr,
2436 &dev_attr_pwm_auto_vrdhot_ramp.attr,
2437 &sensor_dev_attr_cpu0_vid.dev_attr.attr,
2438 &sensor_dev_attr_cpu1_vid.dev_attr.attr,
2439 &sensor_dev_attr_prochot1.dev_attr.attr,
2440 &sensor_dev_attr_prochot2.dev_attr.attr,
2441 &sensor_dev_attr_prochot1_avg.dev_attr.attr,
2442 &sensor_dev_attr_prochot2_avg.dev_attr.attr,
2443 &sensor_dev_attr_prochot1_max.dev_attr.attr,
2444 &sensor_dev_attr_prochot2_max.dev_attr.attr,
2445 &sensor_dev_attr_prochot1_override.dev_attr.attr,
2446 &sensor_dev_attr_prochot2_override.dev_attr.attr,
2447 &sensor_dev_attr_prochot1_interval.dev_attr.attr,
2448 &sensor_dev_attr_prochot2_interval.dev_attr.attr,
2449 &dev_attr_prochot_override_duty_cycle.attr,
2450 &dev_attr_prochot_short.attr,
2451 &sensor_dev_attr_vrdhot1.dev_attr.attr,
2452 &sensor_dev_attr_vrdhot2.dev_attr.attr,
2453 &dev_attr_gpio.attr,
2454 &dev_attr_alarms.attr,
2455 NULL
2456};
2457
2458static struct attribute_group lm93_attr_grp = {
2459 .attrs = lm93_attrs,
2460};
2461
2462static void lm93_init_client(struct i2c_client *client)
2463{
2464 int i;
2465 u8 reg;
2466
2467 /* configure VID pin input thresholds */
2468 reg = lm93_read_byte(client, LM93_REG_GPI_VID_CTL);
2469 lm93_write_byte(client, LM93_REG_GPI_VID_CTL,
2470 reg | (vid_agtl ? 0x03 : 0x00));
2471
2472 if (init) {
2473 /* enable #ALERT pin */
2474 reg = lm93_read_byte(client, LM93_REG_CONFIG);
2475 lm93_write_byte(client, LM93_REG_CONFIG, reg | 0x08);
2476
2477 /* enable ASF mode for BMC status registers */
2478 reg = lm93_read_byte(client, LM93_REG_STATUS_CONTROL);
2479 lm93_write_byte(client, LM93_REG_STATUS_CONTROL, reg | 0x02);
2480
2481 /* set sleep state to S0 */
2482 lm93_write_byte(client, LM93_REG_SLEEP_CONTROL, 0);
2483
2484 /* unmask #VRDHOT and dynamic VCCP (if nec) error events */
2485 reg = lm93_read_byte(client, LM93_REG_MISC_ERR_MASK);
2486 reg &= ~0x03;
2487 reg &= ~(vccp_limit_type[0] ? 0x10 : 0);
2488 reg &= ~(vccp_limit_type[1] ? 0x20 : 0);
2489 lm93_write_byte(client, LM93_REG_MISC_ERR_MASK, reg);
2490 }
2491
2492 /* start monitoring */
2493 reg = lm93_read_byte(client, LM93_REG_CONFIG);
2494 lm93_write_byte(client, LM93_REG_CONFIG, reg | 0x01);
2495
2496 /* spin until ready */
2497 for (i=0; i<20; i++) {
2498 msleep(10);
2499 if ((lm93_read_byte(client, LM93_REG_CONFIG) & 0x80) == 0x80)
2500 return;
2501 }
2502
2503 dev_warn(&client->dev,"timed out waiting for sensor "
2504 "chip to signal ready!\n");
2505}
2506
2507/* Return 0 if detection is successful, -ENODEV otherwise */
2508static int lm93_detect(struct i2c_client *client, struct i2c_board_info *info)
2509{
2510 struct i2c_adapter *adapter = client->adapter;
2511 int mfr, ver;
2512 const char *name;
2513
2514 if (!i2c_check_functionality(adapter, LM93_SMBUS_FUNC_MIN))
2515 return -ENODEV;
2516
2517 /* detection */
2518 mfr = lm93_read_byte(client, LM93_REG_MFR_ID);
2519 if (mfr != 0x01) {
2520 dev_dbg(&adapter->dev,
2521 "detect failed, bad manufacturer id 0x%02x!\n", mfr);
2522 return -ENODEV;
2523 }
2524
2525 ver = lm93_read_byte(client, LM93_REG_VER);
2526 switch (ver) {
2527 case LM93_MFR_ID:
2528 case LM93_MFR_ID_PROTOTYPE:
2529 name = "lm93";
2530 break;
2531 case LM94_MFR_ID_2:
2532 case LM94_MFR_ID:
2533 case LM94_MFR_ID_PROTOTYPE:
2534 name = "lm94";
2535 break;
2536 default:
2537 dev_dbg(&adapter->dev,
2538 "detect failed, bad version id 0x%02x!\n", ver);
2539 return -ENODEV;
2540 }
2541
2542 strlcpy(info->type, name, I2C_NAME_SIZE);
2543 dev_dbg(&adapter->dev,"loading %s at %d,0x%02x\n",
2544 client->name, i2c_adapter_id(client->adapter),
2545 client->addr);
2546
2547 return 0;
2548}
2549
2550static int lm93_probe(struct i2c_client *client,
2551 const struct i2c_device_id *id)
2552{
2553 struct lm93_data *data;
2554 int err, func;
2555 void (*update)(struct lm93_data *, struct i2c_client *);
2556
2557 /* choose update routine based on bus capabilities */
2558 func = i2c_get_functionality(client->adapter);
2559 if (((LM93_SMBUS_FUNC_FULL & func) == LM93_SMBUS_FUNC_FULL) &&
2560 (!disable_block)) {
2561 dev_dbg(&client->dev, "using SMBus block data transactions\n");
2562 update = lm93_update_client_full;
2563 } else if ((LM93_SMBUS_FUNC_MIN & func) == LM93_SMBUS_FUNC_MIN) {
2564 dev_dbg(&client->dev, "disabled SMBus block data "
2565 "transactions\n");
2566 update = lm93_update_client_min;
2567 } else {
2568 dev_dbg(&client->dev, "detect failed, "
2569 "smbus byte and/or word data not supported!\n");
2570 err = -ENODEV;
2571 goto err_out;
2572 }
2573
2574 data = kzalloc(sizeof(struct lm93_data), GFP_KERNEL);
2575 if (!data) {
2576 dev_dbg(&client->dev, "out of memory!\n");
2577 err = -ENOMEM;
2578 goto err_out;
2579 }
2580 i2c_set_clientdata(client, data);
2581
2582 /* housekeeping */
2583 data->valid = 0;
2584 data->update = update;
2585 mutex_init(&data->update_lock);
2586
2587 /* initialize the chip */
2588 lm93_init_client(client);
2589
2590 err = sysfs_create_group(&client->dev.kobj, &lm93_attr_grp);
2591 if (err)
2592 goto err_free;
2593
2594 /* Register hwmon driver class */
2595 data->hwmon_dev = hwmon_device_register(&client->dev);
2596 if ( !IS_ERR(data->hwmon_dev))
2597 return 0;
2598
2599 err = PTR_ERR(data->hwmon_dev);
2600 dev_err(&client->dev, "error registering hwmon device.\n");
2601 sysfs_remove_group(&client->dev.kobj, &lm93_attr_grp);
2602err_free:
2603 kfree(data);
2604err_out:
2605 return err;
2606}
2607
2608static int lm93_remove(struct i2c_client *client)
2609{
2610 struct lm93_data *data = i2c_get_clientdata(client);
2611
2612 hwmon_device_unregister(data->hwmon_dev);
2613 sysfs_remove_group(&client->dev.kobj, &lm93_attr_grp);
2614
2615 kfree(data);
2616 return 0;
2617}
2618
2619static const struct i2c_device_id lm93_id[] = {
2620 { "lm93", 0 },
2621 { "lm94", 0 },
2622 { }
2623};
2624MODULE_DEVICE_TABLE(i2c, lm93_id);
2625
2626static struct i2c_driver lm93_driver = {
2627 .class = I2C_CLASS_HWMON,
2628 .driver = {
2629 .name = "lm93",
2630 },
2631 .probe = lm93_probe,
2632 .remove = lm93_remove,
2633 .id_table = lm93_id,
2634 .detect = lm93_detect,
2635 .address_list = normal_i2c,
2636};
2637
2638static int __init lm93_init(void)
2639{
2640 return i2c_add_driver(&lm93_driver);
2641}
2642
2643static void __exit lm93_exit(void)
2644{
2645 i2c_del_driver(&lm93_driver);
2646}
2647
2648MODULE_AUTHOR("Mark M. Hoffman <mhoffman@lightlink.com>, "
2649 "Hans J. Koch <hjk@hansjkoch.de>");
2650MODULE_DESCRIPTION("LM93 driver");
2651MODULE_LICENSE("GPL");
2652
2653module_init(lm93_init);
2654module_exit(lm93_exit);
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 <jdelvare@suse.de>
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#include <linux/jiffies.h>
51
52/* LM93 REGISTER ADDRESSES */
53
54/* miscellaneous */
55#define LM93_REG_MFR_ID 0x3e
56#define LM93_REG_VER 0x3f
57#define LM93_REG_STATUS_CONTROL 0xe2
58#define LM93_REG_CONFIG 0xe3
59#define LM93_REG_SLEEP_CONTROL 0xe4
60
61/* alarm values start here */
62#define LM93_REG_HOST_ERROR_1 0x48
63
64/* voltage inputs: in1-in16 (nr => 0-15) */
65#define LM93_REG_IN(nr) (0x56 + (nr))
66#define LM93_REG_IN_MIN(nr) (0x90 + (nr) * 2)
67#define LM93_REG_IN_MAX(nr) (0x91 + (nr) * 2)
68
69/* temperature inputs: temp1-temp4 (nr => 0-3) */
70#define LM93_REG_TEMP(nr) (0x50 + (nr))
71#define LM93_REG_TEMP_MIN(nr) (0x78 + (nr) * 2)
72#define LM93_REG_TEMP_MAX(nr) (0x79 + (nr) * 2)
73
74/* temp[1-4]_auto_boost (nr => 0-3) */
75#define LM93_REG_BOOST(nr) (0x80 + (nr))
76
77/* #PROCHOT inputs: prochot1-prochot2 (nr => 0-1) */
78#define LM93_REG_PROCHOT_CUR(nr) (0x67 + (nr) * 2)
79#define LM93_REG_PROCHOT_AVG(nr) (0x68 + (nr) * 2)
80#define LM93_REG_PROCHOT_MAX(nr) (0xb0 + (nr))
81
82/* fan tach inputs: fan1-fan4 (nr => 0-3) */
83#define LM93_REG_FAN(nr) (0x6e + (nr) * 2)
84#define LM93_REG_FAN_MIN(nr) (0xb4 + (nr) * 2)
85
86/* pwm outputs: pwm1-pwm2 (nr => 0-1, reg => 0-3) */
87#define LM93_REG_PWM_CTL(nr, reg) (0xc8 + (reg) + (nr) * 4)
88#define LM93_PWM_CTL1 0x0
89#define LM93_PWM_CTL2 0x1
90#define LM93_PWM_CTL3 0x2
91#define LM93_PWM_CTL4 0x3
92
93/* GPIO input state */
94#define LM93_REG_GPI 0x6b
95
96/* vid inputs: vid1-vid2 (nr => 0-1) */
97#define LM93_REG_VID(nr) (0x6c + (nr))
98
99/* vccp1 & vccp2: VID relative inputs (nr => 0-1) */
100#define LM93_REG_VCCP_LIMIT_OFF(nr) (0xb2 + (nr))
101
102/* temp[1-4]_auto_boost_hyst */
103#define LM93_REG_BOOST_HYST_12 0xc0
104#define LM93_REG_BOOST_HYST_34 0xc1
105#define LM93_REG_BOOST_HYST(nr) (0xc0 + (nr)/2)
106
107/* temp[1-4]_auto_pwm_[min|hyst] */
108#define LM93_REG_PWM_MIN_HYST_12 0xc3
109#define LM93_REG_PWM_MIN_HYST_34 0xc4
110#define LM93_REG_PWM_MIN_HYST(nr) (0xc3 + (nr)/2)
111
112/* prochot_override & prochot_interval */
113#define LM93_REG_PROCHOT_OVERRIDE 0xc6
114#define LM93_REG_PROCHOT_INTERVAL 0xc7
115
116/* temp[1-4]_auto_base (nr => 0-3) */
117#define LM93_REG_TEMP_BASE(nr) (0xd0 + (nr))
118
119/* temp[1-4]_auto_offsets (step => 0-11) */
120#define LM93_REG_TEMP_OFFSET(step) (0xd4 + (step))
121
122/* #PROCHOT & #VRDHOT PWM ramp control */
123#define LM93_REG_PWM_RAMP_CTL 0xbf
124
125/* miscellaneous */
126#define LM93_REG_SFC1 0xbc
127#define LM93_REG_SFC2 0xbd
128#define LM93_REG_GPI_VID_CTL 0xbe
129#define LM93_REG_SF_TACH_TO_PWM 0xe0
130
131/* error masks */
132#define LM93_REG_GPI_ERR_MASK 0xec
133#define LM93_REG_MISC_ERR_MASK 0xed
134
135/* LM93 REGISTER VALUES */
136#define LM93_MFR_ID 0x73
137#define LM93_MFR_ID_PROTOTYPE 0x72
138
139/* LM94 REGISTER VALUES */
140#define LM94_MFR_ID_2 0x7a
141#define LM94_MFR_ID 0x79
142#define LM94_MFR_ID_PROTOTYPE 0x78
143
144/* SMBus capabilities */
145#define LM93_SMBUS_FUNC_FULL (I2C_FUNC_SMBUS_BYTE_DATA | \
146 I2C_FUNC_SMBUS_WORD_DATA | I2C_FUNC_SMBUS_BLOCK_DATA)
147#define LM93_SMBUS_FUNC_MIN (I2C_FUNC_SMBUS_BYTE_DATA | \
148 I2C_FUNC_SMBUS_WORD_DATA)
149
150/* Addresses to scan */
151static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
152
153/* Insmod parameters */
154
155static bool disable_block;
156module_param(disable_block, bool, 0);
157MODULE_PARM_DESC(disable_block,
158 "Set to non-zero to disable SMBus block data transactions.");
159
160static bool init;
161module_param(init, bool, 0);
162MODULE_PARM_DESC(init, "Set to non-zero to force chip initialization.");
163
164static int vccp_limit_type[2] = {0, 0};
165module_param_array(vccp_limit_type, int, NULL, 0);
166MODULE_PARM_DESC(vccp_limit_type, "Configures in7 and in8 limit modes.");
167
168static int vid_agtl;
169module_param(vid_agtl, int, 0);
170MODULE_PARM_DESC(vid_agtl, "Configures VID pin input thresholds.");
171
172/* Driver data */
173static struct i2c_driver lm93_driver;
174
175/* LM93 BLOCK READ COMMANDS */
176static const struct { u8 cmd; u8 len; } lm93_block_read_cmds[12] = {
177 { 0xf2, 8 },
178 { 0xf3, 8 },
179 { 0xf4, 6 },
180 { 0xf5, 16 },
181 { 0xf6, 4 },
182 { 0xf7, 8 },
183 { 0xf8, 12 },
184 { 0xf9, 32 },
185 { 0xfa, 8 },
186 { 0xfb, 8 },
187 { 0xfc, 16 },
188 { 0xfd, 9 },
189};
190
191/*
192 * ALARMS: SYSCTL format described further below
193 * REG: 64 bits in 8 registers, as immediately below
194 */
195struct block1_t {
196 u8 host_status_1;
197 u8 host_status_2;
198 u8 host_status_3;
199 u8 host_status_4;
200 u8 p1_prochot_status;
201 u8 p2_prochot_status;
202 u8 gpi_status;
203 u8 fan_status;
204};
205
206/*
207 * Client-specific data
208 */
209struct lm93_data {
210 struct i2c_client *client;
211
212 struct mutex update_lock;
213 unsigned long last_updated; /* In jiffies */
214
215 /* client update function */
216 void (*update)(struct lm93_data *, struct i2c_client *);
217
218 char valid; /* !=0 if following fields are valid */
219
220 /* register values, arranged by block read groups */
221 struct block1_t block1;
222
223 /*
224 * temp1 - temp4: unfiltered readings
225 * temp1 - temp2: filtered readings
226 */
227 u8 block2[6];
228
229 /* vin1 - vin16: readings */
230 u8 block3[16];
231
232 /* prochot1 - prochot2: readings */
233 struct {
234 u8 cur;
235 u8 avg;
236 } block4[2];
237
238 /* fan counts 1-4 => 14-bits, LE, *left* justified */
239 u16 block5[4];
240
241 /* block6 has a lot of data we don't need */
242 struct {
243 u8 min;
244 u8 max;
245 } temp_lim[4];
246
247 /* vin1 - vin16: low and high limits */
248 struct {
249 u8 min;
250 u8 max;
251 } block7[16];
252
253 /* fan count limits 1-4 => same format as block5 */
254 u16 block8[4];
255
256 /* pwm control registers (2 pwms, 4 regs) */
257 u8 block9[2][4];
258
259 /* auto/pwm base temp and offset temp registers */
260 struct {
261 u8 base[4];
262 u8 offset[12];
263 } block10;
264
265 /* master config register */
266 u8 config;
267
268 /* VID1 & VID2 => register format, 6-bits, right justified */
269 u8 vid[2];
270
271 /* prochot1 - prochot2: limits */
272 u8 prochot_max[2];
273
274 /* vccp1 & vccp2 (in7 & in8): VID relative limits (register format) */
275 u8 vccp_limits[2];
276
277 /* GPIO input state (register format, i.e. inverted) */
278 u8 gpi;
279
280 /* #PROCHOT override (register format) */
281 u8 prochot_override;
282
283 /* #PROCHOT intervals (register format) */
284 u8 prochot_interval;
285
286 /* Fan Boost Temperatures (register format) */
287 u8 boost[4];
288
289 /* Fan Boost Hysteresis (register format) */
290 u8 boost_hyst[2];
291
292 /* Temperature Zone Min. PWM & Hysteresis (register format) */
293 u8 auto_pwm_min_hyst[2];
294
295 /* #PROCHOT & #VRDHOT PWM Ramp Control */
296 u8 pwm_ramp_ctl;
297
298 /* miscellaneous setup regs */
299 u8 sfc1;
300 u8 sfc2;
301 u8 sf_tach_to_pwm;
302
303 /*
304 * The two PWM CTL2 registers can read something other than what was
305 * last written for the OVR_DC field (duty cycle override). So, we
306 * save the user-commanded value here.
307 */
308 u8 pwm_override[2];
309};
310
311/*
312 * VID: mV
313 * REG: 6-bits, right justified, *always* using Intel VRM/VRD 10
314 */
315static int LM93_VID_FROM_REG(u8 reg)
316{
317 return vid_from_reg((reg & 0x3f), 100);
318}
319
320/* min, max, and nominal register values, per channel (u8) */
321static const u8 lm93_vin_reg_min[16] = {
322 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
323 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xae,
324};
325static const u8 lm93_vin_reg_max[16] = {
326 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
327 0xff, 0xfa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xd1,
328};
329/*
330 * Values from the datasheet. They're here for documentation only.
331 * static const u8 lm93_vin_reg_nom[16] = {
332 * 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0,
333 * 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x40, 0xc0,
334 * };
335 */
336
337/* min, max, and nominal voltage readings, per channel (mV)*/
338static const unsigned long lm93_vin_val_min[16] = {
339 0, 0, 0, 0, 0, 0, 0, 0,
340 0, 0, 0, 0, 0, 0, 0, 3000,
341};
342
343static const unsigned long lm93_vin_val_max[16] = {
344 1236, 1236, 1236, 1600, 2000, 2000, 1600, 1600,
345 4400, 6500, 3333, 2625, 1312, 1312, 1236, 3600,
346};
347/*
348 * Values from the datasheet. They're here for documentation only.
349 * static const unsigned long lm93_vin_val_nom[16] = {
350 * 927, 927, 927, 1200, 1500, 1500, 1200, 1200,
351 * 3300, 5000, 2500, 1969, 984, 984, 309, 3300,
352 * };
353 */
354
355static unsigned LM93_IN_FROM_REG(int nr, u8 reg)
356{
357 const long uv_max = lm93_vin_val_max[nr] * 1000;
358 const long uv_min = lm93_vin_val_min[nr] * 1000;
359
360 const long slope = (uv_max - uv_min) /
361 (lm93_vin_reg_max[nr] - lm93_vin_reg_min[nr]);
362 const long intercept = uv_min - slope * lm93_vin_reg_min[nr];
363
364 return (slope * reg + intercept + 500) / 1000;
365}
366
367/*
368 * IN: mV, limits determined by channel nr
369 * REG: scaling determined by channel nr
370 */
371static u8 LM93_IN_TO_REG(int nr, unsigned val)
372{
373 /* range limit */
374 const long mv = clamp_val(val,
375 lm93_vin_val_min[nr], lm93_vin_val_max[nr]);
376
377 /* try not to lose too much precision here */
378 const long uv = mv * 1000;
379 const long uv_max = lm93_vin_val_max[nr] * 1000;
380 const long uv_min = lm93_vin_val_min[nr] * 1000;
381
382 /* convert */
383 const long slope = (uv_max - uv_min) /
384 (lm93_vin_reg_max[nr] - lm93_vin_reg_min[nr]);
385 const long intercept = uv_min - slope * lm93_vin_reg_min[nr];
386
387 u8 result = ((uv - intercept + (slope/2)) / slope);
388 result = clamp_val(result,
389 lm93_vin_reg_min[nr], lm93_vin_reg_max[nr]);
390 return result;
391}
392
393/* vid in mV, upper == 0 indicates low limit, otherwise upper limit */
394static unsigned LM93_IN_REL_FROM_REG(u8 reg, int upper, int vid)
395{
396 const long uv_offset = upper ? (((reg >> 4 & 0x0f) + 1) * 12500) :
397 (((reg >> 0 & 0x0f) + 1) * -25000);
398 const long uv_vid = vid * 1000;
399 return (uv_vid + uv_offset + 5000) / 10000;
400}
401
402#define LM93_IN_MIN_FROM_REG(reg, vid) LM93_IN_REL_FROM_REG((reg), 0, (vid))
403#define LM93_IN_MAX_FROM_REG(reg, vid) LM93_IN_REL_FROM_REG((reg), 1, (vid))
404
405/*
406 * vid in mV , upper == 0 indicates low limit, otherwise upper limit
407 * upper also determines which nibble of the register is returned
408 * (the other nibble will be 0x0)
409 */
410static u8 LM93_IN_REL_TO_REG(unsigned val, int upper, int vid)
411{
412 long uv_offset = vid * 1000 - val * 10000;
413 if (upper) {
414 uv_offset = clamp_val(uv_offset, 12500, 200000);
415 return (u8)((uv_offset / 12500 - 1) << 4);
416 } else {
417 uv_offset = clamp_val(uv_offset, -400000, -25000);
418 return (u8)((uv_offset / -25000 - 1) << 0);
419 }
420}
421
422/*
423 * TEMP: 1/1000 degrees C (-128C to +127C)
424 * REG: 1C/bit, two's complement
425 */
426static int LM93_TEMP_FROM_REG(u8 reg)
427{
428 return (s8)reg * 1000;
429}
430
431#define LM93_TEMP_MIN (-128000)
432#define LM93_TEMP_MAX (127000)
433
434/*
435 * TEMP: 1/1000 degrees C (-128C to +127C)
436 * REG: 1C/bit, two's complement
437 */
438static u8 LM93_TEMP_TO_REG(long temp)
439{
440 int ntemp = clamp_val(temp, LM93_TEMP_MIN, LM93_TEMP_MAX);
441 ntemp += (ntemp < 0 ? -500 : 500);
442 return (u8)(ntemp / 1000);
443}
444
445/* Determine 4-bit temperature offset resolution */
446static int LM93_TEMP_OFFSET_MODE_FROM_REG(u8 sfc2, int nr)
447{
448 /* mode: 0 => 1C/bit, nonzero => 0.5C/bit */
449 return sfc2 & (nr < 2 ? 0x10 : 0x20);
450}
451
452/*
453 * This function is common to all 4-bit temperature offsets
454 * reg is 4 bits right justified
455 * mode 0 => 1C/bit, mode !0 => 0.5C/bit
456 */
457static int LM93_TEMP_OFFSET_FROM_REG(u8 reg, int mode)
458{
459 return (reg & 0x0f) * (mode ? 5 : 10);
460}
461
462#define LM93_TEMP_OFFSET_MIN (0)
463#define LM93_TEMP_OFFSET_MAX0 (150)
464#define LM93_TEMP_OFFSET_MAX1 (75)
465
466/*
467 * This function is common to all 4-bit temperature offsets
468 * returns 4 bits right justified
469 * mode 0 => 1C/bit, mode !0 => 0.5C/bit
470 */
471static u8 LM93_TEMP_OFFSET_TO_REG(int off, int mode)
472{
473 int factor = mode ? 5 : 10;
474
475 off = clamp_val(off, LM93_TEMP_OFFSET_MIN,
476 mode ? LM93_TEMP_OFFSET_MAX1 : LM93_TEMP_OFFSET_MAX0);
477 return (u8)((off + factor/2) / factor);
478}
479
480/* 0 <= nr <= 3 */
481static int LM93_TEMP_AUTO_OFFSET_FROM_REG(u8 reg, int nr, int mode)
482{
483 /* temp1-temp2 (nr=0,1) use lower nibble */
484 if (nr < 2)
485 return LM93_TEMP_OFFSET_FROM_REG(reg & 0x0f, mode);
486
487 /* temp3-temp4 (nr=2,3) use upper nibble */
488 else
489 return LM93_TEMP_OFFSET_FROM_REG(reg >> 4 & 0x0f, mode);
490}
491
492/*
493 * TEMP: 1/10 degrees C (0C to +15C (mode 0) or +7.5C (mode non-zero))
494 * REG: 1.0C/bit (mode 0) or 0.5C/bit (mode non-zero)
495 * 0 <= nr <= 3
496 */
497static u8 LM93_TEMP_AUTO_OFFSET_TO_REG(u8 old, int off, int nr, int mode)
498{
499 u8 new = LM93_TEMP_OFFSET_TO_REG(off, mode);
500
501 /* temp1-temp2 (nr=0,1) use lower nibble */
502 if (nr < 2)
503 return (old & 0xf0) | (new & 0x0f);
504
505 /* temp3-temp4 (nr=2,3) use upper nibble */
506 else
507 return (new << 4 & 0xf0) | (old & 0x0f);
508}
509
510static int LM93_AUTO_BOOST_HYST_FROM_REGS(struct lm93_data *data, int nr,
511 int mode)
512{
513 u8 reg;
514
515 switch (nr) {
516 case 0:
517 reg = data->boost_hyst[0] & 0x0f;
518 break;
519 case 1:
520 reg = data->boost_hyst[0] >> 4 & 0x0f;
521 break;
522 case 2:
523 reg = data->boost_hyst[1] & 0x0f;
524 break;
525 case 3:
526 default:
527 reg = data->boost_hyst[1] >> 4 & 0x0f;
528 break;
529 }
530
531 return LM93_TEMP_FROM_REG(data->boost[nr]) -
532 LM93_TEMP_OFFSET_FROM_REG(reg, mode);
533}
534
535static u8 LM93_AUTO_BOOST_HYST_TO_REG(struct lm93_data *data, long hyst,
536 int nr, int mode)
537{
538 u8 reg = LM93_TEMP_OFFSET_TO_REG(
539 (LM93_TEMP_FROM_REG(data->boost[nr]) - hyst), mode);
540
541 switch (nr) {
542 case 0:
543 reg = (data->boost_hyst[0] & 0xf0) | (reg & 0x0f);
544 break;
545 case 1:
546 reg = (reg << 4 & 0xf0) | (data->boost_hyst[0] & 0x0f);
547 break;
548 case 2:
549 reg = (data->boost_hyst[1] & 0xf0) | (reg & 0x0f);
550 break;
551 case 3:
552 default:
553 reg = (reg << 4 & 0xf0) | (data->boost_hyst[1] & 0x0f);
554 break;
555 }
556
557 return reg;
558}
559
560/*
561 * PWM: 0-255 per sensors documentation
562 * REG: 0-13 as mapped below... right justified
563 */
564enum pwm_freq { LM93_PWM_MAP_HI_FREQ, LM93_PWM_MAP_LO_FREQ };
565
566static int lm93_pwm_map[2][16] = {
567 {
568 0x00, /* 0.00% */ 0x40, /* 25.00% */
569 0x50, /* 31.25% */ 0x60, /* 37.50% */
570 0x70, /* 43.75% */ 0x80, /* 50.00% */
571 0x90, /* 56.25% */ 0xa0, /* 62.50% */
572 0xb0, /* 68.75% */ 0xc0, /* 75.00% */
573 0xd0, /* 81.25% */ 0xe0, /* 87.50% */
574 0xf0, /* 93.75% */ 0xff, /* 100.00% */
575 0xff, 0xff, /* 14, 15 are reserved and should never occur */
576 },
577 {
578 0x00, /* 0.00% */ 0x40, /* 25.00% */
579 0x49, /* 28.57% */ 0x52, /* 32.14% */
580 0x5b, /* 35.71% */ 0x64, /* 39.29% */
581 0x6d, /* 42.86% */ 0x76, /* 46.43% */
582 0x80, /* 50.00% */ 0x89, /* 53.57% */
583 0x92, /* 57.14% */ 0xb6, /* 71.43% */
584 0xdb, /* 85.71% */ 0xff, /* 100.00% */
585 0xff, 0xff, /* 14, 15 are reserved and should never occur */
586 },
587};
588
589static int LM93_PWM_FROM_REG(u8 reg, enum pwm_freq freq)
590{
591 return lm93_pwm_map[freq][reg & 0x0f];
592}
593
594/* round up to nearest match */
595static u8 LM93_PWM_TO_REG(int pwm, enum pwm_freq freq)
596{
597 int i;
598 for (i = 0; i < 13; i++)
599 if (pwm <= lm93_pwm_map[freq][i])
600 break;
601
602 /* can fall through with i==13 */
603 return (u8)i;
604}
605
606static int LM93_FAN_FROM_REG(u16 regs)
607{
608 const u16 count = le16_to_cpu(regs) >> 2;
609 return count == 0 ? -1 : count == 0x3fff ? 0 : 1350000 / count;
610}
611
612/*
613 * RPM: (82.5 to 1350000)
614 * REG: 14-bits, LE, *left* justified
615 */
616static u16 LM93_FAN_TO_REG(long rpm)
617{
618 u16 count, regs;
619
620 if (rpm == 0) {
621 count = 0x3fff;
622 } else {
623 rpm = clamp_val(rpm, 1, 1000000);
624 count = clamp_val((1350000 + rpm) / rpm, 1, 0x3ffe);
625 }
626
627 regs = count << 2;
628 return cpu_to_le16(regs);
629}
630
631/*
632 * PWM FREQ: HZ
633 * REG: 0-7 as mapped below
634 */
635static int lm93_pwm_freq_map[8] = {
636 22500, 96, 84, 72, 60, 48, 36, 12
637};
638
639static int LM93_PWM_FREQ_FROM_REG(u8 reg)
640{
641 return lm93_pwm_freq_map[reg & 0x07];
642}
643
644/* round up to nearest match */
645static u8 LM93_PWM_FREQ_TO_REG(int freq)
646{
647 int i;
648 for (i = 7; i > 0; i--)
649 if (freq <= lm93_pwm_freq_map[i])
650 break;
651
652 /* can fall through with i==0 */
653 return (u8)i;
654}
655
656/*
657 * TIME: 1/100 seconds
658 * REG: 0-7 as mapped below
659 */
660static int lm93_spinup_time_map[8] = {
661 0, 10, 25, 40, 70, 100, 200, 400,
662};
663
664static int LM93_SPINUP_TIME_FROM_REG(u8 reg)
665{
666 return lm93_spinup_time_map[reg >> 5 & 0x07];
667}
668
669/* round up to nearest match */
670static u8 LM93_SPINUP_TIME_TO_REG(int time)
671{
672 int i;
673 for (i = 0; i < 7; i++)
674 if (time <= lm93_spinup_time_map[i])
675 break;
676
677 /* can fall through with i==8 */
678 return (u8)i;
679}
680
681#define LM93_RAMP_MIN 0
682#define LM93_RAMP_MAX 75
683
684static int LM93_RAMP_FROM_REG(u8 reg)
685{
686 return (reg & 0x0f) * 5;
687}
688
689/*
690 * RAMP: 1/100 seconds
691 * REG: 50mS/bit 4-bits right justified
692 */
693static u8 LM93_RAMP_TO_REG(int ramp)
694{
695 ramp = clamp_val(ramp, LM93_RAMP_MIN, LM93_RAMP_MAX);
696 return (u8)((ramp + 2) / 5);
697}
698
699/*
700 * PROCHOT: 0-255, 0 => 0%, 255 => > 96.6%
701 * REG: (same)
702 */
703static u8 LM93_PROCHOT_TO_REG(long prochot)
704{
705 prochot = clamp_val(prochot, 0, 255);
706 return (u8)prochot;
707}
708
709/*
710 * PROCHOT-INTERVAL: 73 - 37200 (1/100 seconds)
711 * REG: 0-9 as mapped below
712 */
713static int lm93_interval_map[10] = {
714 73, 146, 290, 580, 1170, 2330, 4660, 9320, 18600, 37200,
715};
716
717static int LM93_INTERVAL_FROM_REG(u8 reg)
718{
719 return lm93_interval_map[reg & 0x0f];
720}
721
722/* round up to nearest match */
723static u8 LM93_INTERVAL_TO_REG(long interval)
724{
725 int i;
726 for (i = 0; i < 9; i++)
727 if (interval <= lm93_interval_map[i])
728 break;
729
730 /* can fall through with i==9 */
731 return (u8)i;
732}
733
734/*
735 * GPIO: 0-255, GPIO0 is LSB
736 * REG: inverted
737 */
738static unsigned LM93_GPI_FROM_REG(u8 reg)
739{
740 return ~reg & 0xff;
741}
742
743/*
744 * alarm bitmask definitions
745 * The LM93 has nearly 64 bits of error status... I've pared that down to
746 * what I think is a useful subset in order to fit it into 32 bits.
747 *
748 * Especially note that the #VRD_HOT alarms are missing because we provide
749 * that information as values in another sysfs file.
750 *
751 * If libsensors is extended to support 64 bit values, this could be revisited.
752 */
753#define LM93_ALARM_IN1 0x00000001
754#define LM93_ALARM_IN2 0x00000002
755#define LM93_ALARM_IN3 0x00000004
756#define LM93_ALARM_IN4 0x00000008
757#define LM93_ALARM_IN5 0x00000010
758#define LM93_ALARM_IN6 0x00000020
759#define LM93_ALARM_IN7 0x00000040
760#define LM93_ALARM_IN8 0x00000080
761#define LM93_ALARM_IN9 0x00000100
762#define LM93_ALARM_IN10 0x00000200
763#define LM93_ALARM_IN11 0x00000400
764#define LM93_ALARM_IN12 0x00000800
765#define LM93_ALARM_IN13 0x00001000
766#define LM93_ALARM_IN14 0x00002000
767#define LM93_ALARM_IN15 0x00004000
768#define LM93_ALARM_IN16 0x00008000
769#define LM93_ALARM_FAN1 0x00010000
770#define LM93_ALARM_FAN2 0x00020000
771#define LM93_ALARM_FAN3 0x00040000
772#define LM93_ALARM_FAN4 0x00080000
773#define LM93_ALARM_PH1_ERR 0x00100000
774#define LM93_ALARM_PH2_ERR 0x00200000
775#define LM93_ALARM_SCSI1_ERR 0x00400000
776#define LM93_ALARM_SCSI2_ERR 0x00800000
777#define LM93_ALARM_DVDDP1_ERR 0x01000000
778#define LM93_ALARM_DVDDP2_ERR 0x02000000
779#define LM93_ALARM_D1_ERR 0x04000000
780#define LM93_ALARM_D2_ERR 0x08000000
781#define LM93_ALARM_TEMP1 0x10000000
782#define LM93_ALARM_TEMP2 0x20000000
783#define LM93_ALARM_TEMP3 0x40000000
784
785static unsigned LM93_ALARMS_FROM_REG(struct block1_t b1)
786{
787 unsigned result;
788 result = b1.host_status_2 & 0x3f;
789
790 if (vccp_limit_type[0])
791 result |= (b1.host_status_4 & 0x10) << 2;
792 else
793 result |= b1.host_status_2 & 0x40;
794
795 if (vccp_limit_type[1])
796 result |= (b1.host_status_4 & 0x20) << 2;
797 else
798 result |= b1.host_status_2 & 0x80;
799
800 result |= b1.host_status_3 << 8;
801 result |= (b1.fan_status & 0x0f) << 16;
802 result |= (b1.p1_prochot_status & 0x80) << 13;
803 result |= (b1.p2_prochot_status & 0x80) << 14;
804 result |= (b1.host_status_4 & 0xfc) << 20;
805 result |= (b1.host_status_1 & 0x07) << 28;
806 return result;
807}
808
809#define MAX_RETRIES 5
810
811static u8 lm93_read_byte(struct i2c_client *client, u8 reg)
812{
813 int value, i;
814
815 /* retry in case of read errors */
816 for (i = 1; i <= MAX_RETRIES; i++) {
817 value = i2c_smbus_read_byte_data(client, reg);
818 if (value >= 0) {
819 return value;
820 } else {
821 dev_warn(&client->dev,
822 "lm93: read byte data failed, address 0x%02x.\n",
823 reg);
824 mdelay(i + 3);
825 }
826
827 }
828
829 /* <TODO> what to return in case of error? */
830 dev_err(&client->dev, "lm93: All read byte retries failed!!\n");
831 return 0;
832}
833
834static int lm93_write_byte(struct i2c_client *client, u8 reg, u8 value)
835{
836 int result;
837
838 /* <TODO> how to handle write errors? */
839 result = i2c_smbus_write_byte_data(client, reg, value);
840
841 if (result < 0)
842 dev_warn(&client->dev,
843 "lm93: write byte data failed, 0x%02x at address 0x%02x.\n",
844 value, reg);
845
846 return result;
847}
848
849static u16 lm93_read_word(struct i2c_client *client, u8 reg)
850{
851 int value, i;
852
853 /* retry in case of read errors */
854 for (i = 1; i <= MAX_RETRIES; i++) {
855 value = i2c_smbus_read_word_data(client, reg);
856 if (value >= 0) {
857 return value;
858 } else {
859 dev_warn(&client->dev,
860 "lm93: read word data failed, address 0x%02x.\n",
861 reg);
862 mdelay(i + 3);
863 }
864
865 }
866
867 /* <TODO> what to return in case of error? */
868 dev_err(&client->dev, "lm93: All read word retries failed!!\n");
869 return 0;
870}
871
872static int lm93_write_word(struct i2c_client *client, u8 reg, u16 value)
873{
874 int result;
875
876 /* <TODO> how to handle write errors? */
877 result = i2c_smbus_write_word_data(client, reg, value);
878
879 if (result < 0)
880 dev_warn(&client->dev,
881 "lm93: write word data failed, 0x%04x at address 0x%02x.\n",
882 value, reg);
883
884 return result;
885}
886
887static u8 lm93_block_buffer[I2C_SMBUS_BLOCK_MAX];
888
889/*
890 * read block data into values, retry if not expected length
891 * fbn => index to lm93_block_read_cmds table
892 * (Fixed Block Number - section 14.5.2 of LM93 datasheet)
893 */
894static void lm93_read_block(struct i2c_client *client, u8 fbn, u8 *values)
895{
896 int i, result = 0;
897
898 for (i = 1; i <= MAX_RETRIES; i++) {
899 result = i2c_smbus_read_block_data(client,
900 lm93_block_read_cmds[fbn].cmd, lm93_block_buffer);
901
902 if (result == lm93_block_read_cmds[fbn].len) {
903 break;
904 } else {
905 dev_warn(&client->dev,
906 "lm93: block read data failed, command 0x%02x.\n",
907 lm93_block_read_cmds[fbn].cmd);
908 mdelay(i + 3);
909 }
910 }
911
912 if (result == lm93_block_read_cmds[fbn].len) {
913 memcpy(values, lm93_block_buffer,
914 lm93_block_read_cmds[fbn].len);
915 } else {
916 /* <TODO> what to do in case of error? */
917 }
918}
919
920static struct lm93_data *lm93_update_device(struct device *dev)
921{
922 struct lm93_data *data = dev_get_drvdata(dev);
923 struct i2c_client *client = data->client;
924 const unsigned long interval = HZ + (HZ / 2);
925
926 mutex_lock(&data->update_lock);
927
928 if (time_after(jiffies, data->last_updated + interval) ||
929 !data->valid) {
930
931 data->update(data, client);
932 data->last_updated = jiffies;
933 data->valid = 1;
934 }
935
936 mutex_unlock(&data->update_lock);
937 return data;
938}
939
940/* update routine for data that has no corresponding SMBus block command */
941static void lm93_update_client_common(struct lm93_data *data,
942 struct i2c_client *client)
943{
944 int i;
945 u8 *ptr;
946
947 /* temp1 - temp4: limits */
948 for (i = 0; i < 4; i++) {
949 data->temp_lim[i].min =
950 lm93_read_byte(client, LM93_REG_TEMP_MIN(i));
951 data->temp_lim[i].max =
952 lm93_read_byte(client, LM93_REG_TEMP_MAX(i));
953 }
954
955 /* config register */
956 data->config = lm93_read_byte(client, LM93_REG_CONFIG);
957
958 /* vid1 - vid2: values */
959 for (i = 0; i < 2; i++)
960 data->vid[i] = lm93_read_byte(client, LM93_REG_VID(i));
961
962 /* prochot1 - prochot2: limits */
963 for (i = 0; i < 2; i++)
964 data->prochot_max[i] = lm93_read_byte(client,
965 LM93_REG_PROCHOT_MAX(i));
966
967 /* vccp1 - vccp2: VID relative limits */
968 for (i = 0; i < 2; i++)
969 data->vccp_limits[i] = lm93_read_byte(client,
970 LM93_REG_VCCP_LIMIT_OFF(i));
971
972 /* GPIO input state */
973 data->gpi = lm93_read_byte(client, LM93_REG_GPI);
974
975 /* #PROCHOT override state */
976 data->prochot_override = lm93_read_byte(client,
977 LM93_REG_PROCHOT_OVERRIDE);
978
979 /* #PROCHOT intervals */
980 data->prochot_interval = lm93_read_byte(client,
981 LM93_REG_PROCHOT_INTERVAL);
982
983 /* Fan Boost Temperature registers */
984 for (i = 0; i < 4; i++)
985 data->boost[i] = lm93_read_byte(client, LM93_REG_BOOST(i));
986
987 /* Fan Boost Temperature Hyst. registers */
988 data->boost_hyst[0] = lm93_read_byte(client, LM93_REG_BOOST_HYST_12);
989 data->boost_hyst[1] = lm93_read_byte(client, LM93_REG_BOOST_HYST_34);
990
991 /* Temperature Zone Min. PWM & Hysteresis registers */
992 data->auto_pwm_min_hyst[0] =
993 lm93_read_byte(client, LM93_REG_PWM_MIN_HYST_12);
994 data->auto_pwm_min_hyst[1] =
995 lm93_read_byte(client, LM93_REG_PWM_MIN_HYST_34);
996
997 /* #PROCHOT & #VRDHOT PWM Ramp Control register */
998 data->pwm_ramp_ctl = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL);
999
1000 /* misc setup registers */
1001 data->sfc1 = lm93_read_byte(client, LM93_REG_SFC1);
1002 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
1003 data->sf_tach_to_pwm = lm93_read_byte(client,
1004 LM93_REG_SF_TACH_TO_PWM);
1005
1006 /* write back alarm values to clear */
1007 for (i = 0, ptr = (u8 *)(&data->block1); i < 8; i++)
1008 lm93_write_byte(client, LM93_REG_HOST_ERROR_1 + i, *(ptr + i));
1009}
1010
1011/* update routine which uses SMBus block data commands */
1012static void lm93_update_client_full(struct lm93_data *data,
1013 struct i2c_client *client)
1014{
1015 dev_dbg(&client->dev, "starting device update (block data enabled)\n");
1016
1017 /* in1 - in16: values & limits */
1018 lm93_read_block(client, 3, (u8 *)(data->block3));
1019 lm93_read_block(client, 7, (u8 *)(data->block7));
1020
1021 /* temp1 - temp4: values */
1022 lm93_read_block(client, 2, (u8 *)(data->block2));
1023
1024 /* prochot1 - prochot2: values */
1025 lm93_read_block(client, 4, (u8 *)(data->block4));
1026
1027 /* fan1 - fan4: values & limits */
1028 lm93_read_block(client, 5, (u8 *)(data->block5));
1029 lm93_read_block(client, 8, (u8 *)(data->block8));
1030
1031 /* pmw control registers */
1032 lm93_read_block(client, 9, (u8 *)(data->block9));
1033
1034 /* alarm values */
1035 lm93_read_block(client, 1, (u8 *)(&data->block1));
1036
1037 /* auto/pwm registers */
1038 lm93_read_block(client, 10, (u8 *)(&data->block10));
1039
1040 lm93_update_client_common(data, client);
1041}
1042
1043/* update routine which uses SMBus byte/word data commands only */
1044static void lm93_update_client_min(struct lm93_data *data,
1045 struct i2c_client *client)
1046{
1047 int i, j;
1048 u8 *ptr;
1049
1050 dev_dbg(&client->dev, "starting device update (block data disabled)\n");
1051
1052 /* in1 - in16: values & limits */
1053 for (i = 0; i < 16; i++) {
1054 data->block3[i] =
1055 lm93_read_byte(client, LM93_REG_IN(i));
1056 data->block7[i].min =
1057 lm93_read_byte(client, LM93_REG_IN_MIN(i));
1058 data->block7[i].max =
1059 lm93_read_byte(client, LM93_REG_IN_MAX(i));
1060 }
1061
1062 /* temp1 - temp4: values */
1063 for (i = 0; i < 4; i++) {
1064 data->block2[i] =
1065 lm93_read_byte(client, LM93_REG_TEMP(i));
1066 }
1067
1068 /* prochot1 - prochot2: values */
1069 for (i = 0; i < 2; i++) {
1070 data->block4[i].cur =
1071 lm93_read_byte(client, LM93_REG_PROCHOT_CUR(i));
1072 data->block4[i].avg =
1073 lm93_read_byte(client, LM93_REG_PROCHOT_AVG(i));
1074 }
1075
1076 /* fan1 - fan4: values & limits */
1077 for (i = 0; i < 4; i++) {
1078 data->block5[i] =
1079 lm93_read_word(client, LM93_REG_FAN(i));
1080 data->block8[i] =
1081 lm93_read_word(client, LM93_REG_FAN_MIN(i));
1082 }
1083
1084 /* pwm control registers */
1085 for (i = 0; i < 2; i++) {
1086 for (j = 0; j < 4; j++) {
1087 data->block9[i][j] =
1088 lm93_read_byte(client, LM93_REG_PWM_CTL(i, j));
1089 }
1090 }
1091
1092 /* alarm values */
1093 for (i = 0, ptr = (u8 *)(&data->block1); i < 8; i++) {
1094 *(ptr + i) =
1095 lm93_read_byte(client, LM93_REG_HOST_ERROR_1 + i);
1096 }
1097
1098 /* auto/pwm (base temp) registers */
1099 for (i = 0; i < 4; i++) {
1100 data->block10.base[i] =
1101 lm93_read_byte(client, LM93_REG_TEMP_BASE(i));
1102 }
1103
1104 /* auto/pwm (offset temp) registers */
1105 for (i = 0; i < 12; i++) {
1106 data->block10.offset[i] =
1107 lm93_read_byte(client, LM93_REG_TEMP_OFFSET(i));
1108 }
1109
1110 lm93_update_client_common(data, client);
1111}
1112
1113/* following are the sysfs callback functions */
1114static ssize_t show_in(struct device *dev, struct device_attribute *attr,
1115 char *buf)
1116{
1117 int nr = (to_sensor_dev_attr(attr))->index;
1118
1119 struct lm93_data *data = lm93_update_device(dev);
1120 return sprintf(buf, "%d\n", LM93_IN_FROM_REG(nr, data->block3[nr]));
1121}
1122
1123static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 0);
1124static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 1);
1125static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 2);
1126static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 3);
1127static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 4);
1128static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 5);
1129static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 6);
1130static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 7);
1131static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_in, NULL, 8);
1132static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_in, NULL, 9);
1133static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, show_in, NULL, 10);
1134static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, show_in, NULL, 11);
1135static SENSOR_DEVICE_ATTR(in13_input, S_IRUGO, show_in, NULL, 12);
1136static SENSOR_DEVICE_ATTR(in14_input, S_IRUGO, show_in, NULL, 13);
1137static SENSOR_DEVICE_ATTR(in15_input, S_IRUGO, show_in, NULL, 14);
1138static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in, NULL, 15);
1139
1140static ssize_t show_in_min(struct device *dev,
1141 struct device_attribute *attr, char *buf)
1142{
1143 int nr = (to_sensor_dev_attr(attr))->index;
1144 struct lm93_data *data = lm93_update_device(dev);
1145 int vccp = nr - 6;
1146 long rc, vid;
1147
1148 if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) {
1149 vid = LM93_VID_FROM_REG(data->vid[vccp]);
1150 rc = LM93_IN_MIN_FROM_REG(data->vccp_limits[vccp], vid);
1151 } else {
1152 rc = LM93_IN_FROM_REG(nr, data->block7[nr].min);
1153 }
1154 return sprintf(buf, "%ld\n", rc);
1155}
1156
1157static ssize_t store_in_min(struct device *dev, struct device_attribute *attr,
1158 const char *buf, size_t count)
1159{
1160 int nr = (to_sensor_dev_attr(attr))->index;
1161 struct lm93_data *data = dev_get_drvdata(dev);
1162 struct i2c_client *client = data->client;
1163 int vccp = nr - 6;
1164 long vid;
1165 unsigned long val;
1166 int err;
1167
1168 err = kstrtoul(buf, 10, &val);
1169 if (err)
1170 return err;
1171
1172 mutex_lock(&data->update_lock);
1173 if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) {
1174 vid = LM93_VID_FROM_REG(data->vid[vccp]);
1175 data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0xf0) |
1176 LM93_IN_REL_TO_REG(val, 0, vid);
1177 lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp),
1178 data->vccp_limits[vccp]);
1179 } else {
1180 data->block7[nr].min = LM93_IN_TO_REG(nr, val);
1181 lm93_write_byte(client, LM93_REG_IN_MIN(nr),
1182 data->block7[nr].min);
1183 }
1184 mutex_unlock(&data->update_lock);
1185 return count;
1186}
1187
1188static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO,
1189 show_in_min, store_in_min, 0);
1190static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO,
1191 show_in_min, store_in_min, 1);
1192static SENSOR_DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO,
1193 show_in_min, store_in_min, 2);
1194static SENSOR_DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO,
1195 show_in_min, store_in_min, 3);
1196static SENSOR_DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO,
1197 show_in_min, store_in_min, 4);
1198static SENSOR_DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO,
1199 show_in_min, store_in_min, 5);
1200static SENSOR_DEVICE_ATTR(in7_min, S_IWUSR | S_IRUGO,
1201 show_in_min, store_in_min, 6);
1202static SENSOR_DEVICE_ATTR(in8_min, S_IWUSR | S_IRUGO,
1203 show_in_min, store_in_min, 7);
1204static SENSOR_DEVICE_ATTR(in9_min, S_IWUSR | S_IRUGO,
1205 show_in_min, store_in_min, 8);
1206static SENSOR_DEVICE_ATTR(in10_min, S_IWUSR | S_IRUGO,
1207 show_in_min, store_in_min, 9);
1208static SENSOR_DEVICE_ATTR(in11_min, S_IWUSR | S_IRUGO,
1209 show_in_min, store_in_min, 10);
1210static SENSOR_DEVICE_ATTR(in12_min, S_IWUSR | S_IRUGO,
1211 show_in_min, store_in_min, 11);
1212static SENSOR_DEVICE_ATTR(in13_min, S_IWUSR | S_IRUGO,
1213 show_in_min, store_in_min, 12);
1214static SENSOR_DEVICE_ATTR(in14_min, S_IWUSR | S_IRUGO,
1215 show_in_min, store_in_min, 13);
1216static SENSOR_DEVICE_ATTR(in15_min, S_IWUSR | S_IRUGO,
1217 show_in_min, store_in_min, 14);
1218static SENSOR_DEVICE_ATTR(in16_min, S_IWUSR | S_IRUGO,
1219 show_in_min, store_in_min, 15);
1220
1221static ssize_t show_in_max(struct device *dev,
1222 struct device_attribute *attr, char *buf)
1223{
1224 int nr = (to_sensor_dev_attr(attr))->index;
1225 struct lm93_data *data = lm93_update_device(dev);
1226 int vccp = nr - 6;
1227 long rc, vid;
1228
1229 if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) {
1230 vid = LM93_VID_FROM_REG(data->vid[vccp]);
1231 rc = LM93_IN_MAX_FROM_REG(data->vccp_limits[vccp], vid);
1232 } else {
1233 rc = LM93_IN_FROM_REG(nr, data->block7[nr].max);
1234 }
1235 return sprintf(buf, "%ld\n", rc);
1236}
1237
1238static ssize_t store_in_max(struct device *dev, struct device_attribute *attr,
1239 const char *buf, size_t count)
1240{
1241 int nr = (to_sensor_dev_attr(attr))->index;
1242 struct lm93_data *data = dev_get_drvdata(dev);
1243 struct i2c_client *client = data->client;
1244 int vccp = nr - 6;
1245 long vid;
1246 unsigned long val;
1247 int err;
1248
1249 err = kstrtoul(buf, 10, &val);
1250 if (err)
1251 return err;
1252
1253 mutex_lock(&data->update_lock);
1254 if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) {
1255 vid = LM93_VID_FROM_REG(data->vid[vccp]);
1256 data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0x0f) |
1257 LM93_IN_REL_TO_REG(val, 1, vid);
1258 lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp),
1259 data->vccp_limits[vccp]);
1260 } else {
1261 data->block7[nr].max = LM93_IN_TO_REG(nr, val);
1262 lm93_write_byte(client, LM93_REG_IN_MAX(nr),
1263 data->block7[nr].max);
1264 }
1265 mutex_unlock(&data->update_lock);
1266 return count;
1267}
1268
1269static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO,
1270 show_in_max, store_in_max, 0);
1271static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO,
1272 show_in_max, store_in_max, 1);
1273static SENSOR_DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO,
1274 show_in_max, store_in_max, 2);
1275static SENSOR_DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO,
1276 show_in_max, store_in_max, 3);
1277static SENSOR_DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO,
1278 show_in_max, store_in_max, 4);
1279static SENSOR_DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO,
1280 show_in_max, store_in_max, 5);
1281static SENSOR_DEVICE_ATTR(in7_max, S_IWUSR | S_IRUGO,
1282 show_in_max, store_in_max, 6);
1283static SENSOR_DEVICE_ATTR(in8_max, S_IWUSR | S_IRUGO,
1284 show_in_max, store_in_max, 7);
1285static SENSOR_DEVICE_ATTR(in9_max, S_IWUSR | S_IRUGO,
1286 show_in_max, store_in_max, 8);
1287static SENSOR_DEVICE_ATTR(in10_max, S_IWUSR | S_IRUGO,
1288 show_in_max, store_in_max, 9);
1289static SENSOR_DEVICE_ATTR(in11_max, S_IWUSR | S_IRUGO,
1290 show_in_max, store_in_max, 10);
1291static SENSOR_DEVICE_ATTR(in12_max, S_IWUSR | S_IRUGO,
1292 show_in_max, store_in_max, 11);
1293static SENSOR_DEVICE_ATTR(in13_max, S_IWUSR | S_IRUGO,
1294 show_in_max, store_in_max, 12);
1295static SENSOR_DEVICE_ATTR(in14_max, S_IWUSR | S_IRUGO,
1296 show_in_max, store_in_max, 13);
1297static SENSOR_DEVICE_ATTR(in15_max, S_IWUSR | S_IRUGO,
1298 show_in_max, store_in_max, 14);
1299static SENSOR_DEVICE_ATTR(in16_max, S_IWUSR | S_IRUGO,
1300 show_in_max, store_in_max, 15);
1301
1302static ssize_t show_temp(struct device *dev,
1303 struct device_attribute *attr, char *buf)
1304{
1305 int nr = (to_sensor_dev_attr(attr))->index;
1306 struct lm93_data *data = lm93_update_device(dev);
1307 return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->block2[nr]));
1308}
1309
1310static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
1311static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
1312static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
1313
1314static ssize_t show_temp_min(struct device *dev,
1315 struct device_attribute *attr, char *buf)
1316{
1317 int nr = (to_sensor_dev_attr(attr))->index;
1318 struct lm93_data *data = lm93_update_device(dev);
1319 return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->temp_lim[nr].min));
1320}
1321
1322static ssize_t store_temp_min(struct device *dev, struct device_attribute *attr,
1323 const char *buf, size_t count)
1324{
1325 int nr = (to_sensor_dev_attr(attr))->index;
1326 struct lm93_data *data = dev_get_drvdata(dev);
1327 struct i2c_client *client = data->client;
1328 long val;
1329 int err;
1330
1331 err = kstrtol(buf, 10, &val);
1332 if (err)
1333 return err;
1334
1335 mutex_lock(&data->update_lock);
1336 data->temp_lim[nr].min = LM93_TEMP_TO_REG(val);
1337 lm93_write_byte(client, LM93_REG_TEMP_MIN(nr), data->temp_lim[nr].min);
1338 mutex_unlock(&data->update_lock);
1339 return count;
1340}
1341
1342static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO,
1343 show_temp_min, store_temp_min, 0);
1344static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO,
1345 show_temp_min, store_temp_min, 1);
1346static SENSOR_DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO,
1347 show_temp_min, store_temp_min, 2);
1348
1349static ssize_t show_temp_max(struct device *dev,
1350 struct device_attribute *attr, char *buf)
1351{
1352 int nr = (to_sensor_dev_attr(attr))->index;
1353 struct lm93_data *data = lm93_update_device(dev);
1354 return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->temp_lim[nr].max));
1355}
1356
1357static ssize_t store_temp_max(struct device *dev, struct device_attribute *attr,
1358 const char *buf, size_t count)
1359{
1360 int nr = (to_sensor_dev_attr(attr))->index;
1361 struct lm93_data *data = dev_get_drvdata(dev);
1362 struct i2c_client *client = data->client;
1363 long val;
1364 int err;
1365
1366 err = kstrtol(buf, 10, &val);
1367 if (err)
1368 return err;
1369
1370 mutex_lock(&data->update_lock);
1371 data->temp_lim[nr].max = LM93_TEMP_TO_REG(val);
1372 lm93_write_byte(client, LM93_REG_TEMP_MAX(nr), data->temp_lim[nr].max);
1373 mutex_unlock(&data->update_lock);
1374 return count;
1375}
1376
1377static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO,
1378 show_temp_max, store_temp_max, 0);
1379static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO,
1380 show_temp_max, store_temp_max, 1);
1381static SENSOR_DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO,
1382 show_temp_max, store_temp_max, 2);
1383
1384static ssize_t show_temp_auto_base(struct device *dev,
1385 struct device_attribute *attr, char *buf)
1386{
1387 int nr = (to_sensor_dev_attr(attr))->index;
1388 struct lm93_data *data = lm93_update_device(dev);
1389 return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->block10.base[nr]));
1390}
1391
1392static ssize_t store_temp_auto_base(struct device *dev,
1393 struct device_attribute *attr,
1394 const char *buf, size_t count)
1395{
1396 int nr = (to_sensor_dev_attr(attr))->index;
1397 struct lm93_data *data = dev_get_drvdata(dev);
1398 struct i2c_client *client = data->client;
1399 long val;
1400 int err;
1401
1402 err = kstrtol(buf, 10, &val);
1403 if (err)
1404 return err;
1405
1406 mutex_lock(&data->update_lock);
1407 data->block10.base[nr] = LM93_TEMP_TO_REG(val);
1408 lm93_write_byte(client, LM93_REG_TEMP_BASE(nr), data->block10.base[nr]);
1409 mutex_unlock(&data->update_lock);
1410 return count;
1411}
1412
1413static SENSOR_DEVICE_ATTR(temp1_auto_base, S_IWUSR | S_IRUGO,
1414 show_temp_auto_base, store_temp_auto_base, 0);
1415static SENSOR_DEVICE_ATTR(temp2_auto_base, S_IWUSR | S_IRUGO,
1416 show_temp_auto_base, store_temp_auto_base, 1);
1417static SENSOR_DEVICE_ATTR(temp3_auto_base, S_IWUSR | S_IRUGO,
1418 show_temp_auto_base, store_temp_auto_base, 2);
1419
1420static ssize_t show_temp_auto_boost(struct device *dev,
1421 struct device_attribute *attr, char *buf)
1422{
1423 int nr = (to_sensor_dev_attr(attr))->index;
1424 struct lm93_data *data = lm93_update_device(dev);
1425 return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->boost[nr]));
1426}
1427
1428static ssize_t store_temp_auto_boost(struct device *dev,
1429 struct device_attribute *attr,
1430 const char *buf, size_t count)
1431{
1432 int nr = (to_sensor_dev_attr(attr))->index;
1433 struct lm93_data *data = dev_get_drvdata(dev);
1434 struct i2c_client *client = data->client;
1435 long val;
1436 int err;
1437
1438 err = kstrtol(buf, 10, &val);
1439 if (err)
1440 return err;
1441
1442 mutex_lock(&data->update_lock);
1443 data->boost[nr] = LM93_TEMP_TO_REG(val);
1444 lm93_write_byte(client, LM93_REG_BOOST(nr), data->boost[nr]);
1445 mutex_unlock(&data->update_lock);
1446 return count;
1447}
1448
1449static SENSOR_DEVICE_ATTR(temp1_auto_boost, S_IWUSR | S_IRUGO,
1450 show_temp_auto_boost, store_temp_auto_boost, 0);
1451static SENSOR_DEVICE_ATTR(temp2_auto_boost, S_IWUSR | S_IRUGO,
1452 show_temp_auto_boost, store_temp_auto_boost, 1);
1453static SENSOR_DEVICE_ATTR(temp3_auto_boost, S_IWUSR | S_IRUGO,
1454 show_temp_auto_boost, store_temp_auto_boost, 2);
1455
1456static ssize_t show_temp_auto_boost_hyst(struct device *dev,
1457 struct device_attribute *attr,
1458 char *buf)
1459{
1460 int nr = (to_sensor_dev_attr(attr))->index;
1461 struct lm93_data *data = lm93_update_device(dev);
1462 int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);
1463 return sprintf(buf, "%d\n",
1464 LM93_AUTO_BOOST_HYST_FROM_REGS(data, nr, mode));
1465}
1466
1467static ssize_t store_temp_auto_boost_hyst(struct device *dev,
1468 struct device_attribute *attr,
1469 const char *buf, size_t count)
1470{
1471 int nr = (to_sensor_dev_attr(attr))->index;
1472 struct lm93_data *data = dev_get_drvdata(dev);
1473 struct i2c_client *client = data->client;
1474 unsigned long val;
1475 int err;
1476
1477 err = kstrtoul(buf, 10, &val);
1478 if (err)
1479 return err;
1480
1481 mutex_lock(&data->update_lock);
1482 /* force 0.5C/bit mode */
1483 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
1484 data->sfc2 |= ((nr < 2) ? 0x10 : 0x20);
1485 lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);
1486 data->boost_hyst[nr/2] = LM93_AUTO_BOOST_HYST_TO_REG(data, val, nr, 1);
1487 lm93_write_byte(client, LM93_REG_BOOST_HYST(nr),
1488 data->boost_hyst[nr/2]);
1489 mutex_unlock(&data->update_lock);
1490 return count;
1491}
1492
1493static SENSOR_DEVICE_ATTR(temp1_auto_boost_hyst, S_IWUSR | S_IRUGO,
1494 show_temp_auto_boost_hyst,
1495 store_temp_auto_boost_hyst, 0);
1496static SENSOR_DEVICE_ATTR(temp2_auto_boost_hyst, S_IWUSR | S_IRUGO,
1497 show_temp_auto_boost_hyst,
1498 store_temp_auto_boost_hyst, 1);
1499static SENSOR_DEVICE_ATTR(temp3_auto_boost_hyst, S_IWUSR | S_IRUGO,
1500 show_temp_auto_boost_hyst,
1501 store_temp_auto_boost_hyst, 2);
1502
1503static ssize_t show_temp_auto_offset(struct device *dev,
1504 struct device_attribute *attr, char *buf)
1505{
1506 struct sensor_device_attribute_2 *s_attr = to_sensor_dev_attr_2(attr);
1507 int nr = s_attr->index;
1508 int ofs = s_attr->nr;
1509 struct lm93_data *data = lm93_update_device(dev);
1510 int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);
1511 return sprintf(buf, "%d\n",
1512 LM93_TEMP_AUTO_OFFSET_FROM_REG(data->block10.offset[ofs],
1513 nr, mode));
1514}
1515
1516static ssize_t store_temp_auto_offset(struct device *dev,
1517 struct device_attribute *attr,
1518 const char *buf, size_t count)
1519{
1520 struct sensor_device_attribute_2 *s_attr = to_sensor_dev_attr_2(attr);
1521 int nr = s_attr->index;
1522 int ofs = s_attr->nr;
1523 struct lm93_data *data = dev_get_drvdata(dev);
1524 struct i2c_client *client = data->client;
1525 unsigned long val;
1526 int err;
1527
1528 err = kstrtoul(buf, 10, &val);
1529 if (err)
1530 return err;
1531
1532 mutex_lock(&data->update_lock);
1533 /* force 0.5C/bit mode */
1534 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
1535 data->sfc2 |= ((nr < 2) ? 0x10 : 0x20);
1536 lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);
1537 data->block10.offset[ofs] = LM93_TEMP_AUTO_OFFSET_TO_REG(
1538 data->block10.offset[ofs], val, nr, 1);
1539 lm93_write_byte(client, LM93_REG_TEMP_OFFSET(ofs),
1540 data->block10.offset[ofs]);
1541 mutex_unlock(&data->update_lock);
1542 return count;
1543}
1544
1545static SENSOR_DEVICE_ATTR_2(temp1_auto_offset1, S_IWUSR | S_IRUGO,
1546 show_temp_auto_offset, store_temp_auto_offset, 0, 0);
1547static SENSOR_DEVICE_ATTR_2(temp1_auto_offset2, S_IWUSR | S_IRUGO,
1548 show_temp_auto_offset, store_temp_auto_offset, 1, 0);
1549static SENSOR_DEVICE_ATTR_2(temp1_auto_offset3, S_IWUSR | S_IRUGO,
1550 show_temp_auto_offset, store_temp_auto_offset, 2, 0);
1551static SENSOR_DEVICE_ATTR_2(temp1_auto_offset4, S_IWUSR | S_IRUGO,
1552 show_temp_auto_offset, store_temp_auto_offset, 3, 0);
1553static SENSOR_DEVICE_ATTR_2(temp1_auto_offset5, S_IWUSR | S_IRUGO,
1554 show_temp_auto_offset, store_temp_auto_offset, 4, 0);
1555static SENSOR_DEVICE_ATTR_2(temp1_auto_offset6, S_IWUSR | S_IRUGO,
1556 show_temp_auto_offset, store_temp_auto_offset, 5, 0);
1557static SENSOR_DEVICE_ATTR_2(temp1_auto_offset7, S_IWUSR | S_IRUGO,
1558 show_temp_auto_offset, store_temp_auto_offset, 6, 0);
1559static SENSOR_DEVICE_ATTR_2(temp1_auto_offset8, S_IWUSR | S_IRUGO,
1560 show_temp_auto_offset, store_temp_auto_offset, 7, 0);
1561static SENSOR_DEVICE_ATTR_2(temp1_auto_offset9, S_IWUSR | S_IRUGO,
1562 show_temp_auto_offset, store_temp_auto_offset, 8, 0);
1563static SENSOR_DEVICE_ATTR_2(temp1_auto_offset10, S_IWUSR | S_IRUGO,
1564 show_temp_auto_offset, store_temp_auto_offset, 9, 0);
1565static SENSOR_DEVICE_ATTR_2(temp1_auto_offset11, S_IWUSR | S_IRUGO,
1566 show_temp_auto_offset, store_temp_auto_offset, 10, 0);
1567static SENSOR_DEVICE_ATTR_2(temp1_auto_offset12, S_IWUSR | S_IRUGO,
1568 show_temp_auto_offset, store_temp_auto_offset, 11, 0);
1569static SENSOR_DEVICE_ATTR_2(temp2_auto_offset1, S_IWUSR | S_IRUGO,
1570 show_temp_auto_offset, store_temp_auto_offset, 0, 1);
1571static SENSOR_DEVICE_ATTR_2(temp2_auto_offset2, S_IWUSR | S_IRUGO,
1572 show_temp_auto_offset, store_temp_auto_offset, 1, 1);
1573static SENSOR_DEVICE_ATTR_2(temp2_auto_offset3, S_IWUSR | S_IRUGO,
1574 show_temp_auto_offset, store_temp_auto_offset, 2, 1);
1575static SENSOR_DEVICE_ATTR_2(temp2_auto_offset4, S_IWUSR | S_IRUGO,
1576 show_temp_auto_offset, store_temp_auto_offset, 3, 1);
1577static SENSOR_DEVICE_ATTR_2(temp2_auto_offset5, S_IWUSR | S_IRUGO,
1578 show_temp_auto_offset, store_temp_auto_offset, 4, 1);
1579static SENSOR_DEVICE_ATTR_2(temp2_auto_offset6, S_IWUSR | S_IRUGO,
1580 show_temp_auto_offset, store_temp_auto_offset, 5, 1);
1581static SENSOR_DEVICE_ATTR_2(temp2_auto_offset7, S_IWUSR | S_IRUGO,
1582 show_temp_auto_offset, store_temp_auto_offset, 6, 1);
1583static SENSOR_DEVICE_ATTR_2(temp2_auto_offset8, S_IWUSR | S_IRUGO,
1584 show_temp_auto_offset, store_temp_auto_offset, 7, 1);
1585static SENSOR_DEVICE_ATTR_2(temp2_auto_offset9, S_IWUSR | S_IRUGO,
1586 show_temp_auto_offset, store_temp_auto_offset, 8, 1);
1587static SENSOR_DEVICE_ATTR_2(temp2_auto_offset10, S_IWUSR | S_IRUGO,
1588 show_temp_auto_offset, store_temp_auto_offset, 9, 1);
1589static SENSOR_DEVICE_ATTR_2(temp2_auto_offset11, S_IWUSR | S_IRUGO,
1590 show_temp_auto_offset, store_temp_auto_offset, 10, 1);
1591static SENSOR_DEVICE_ATTR_2(temp2_auto_offset12, S_IWUSR | S_IRUGO,
1592 show_temp_auto_offset, store_temp_auto_offset, 11, 1);
1593static SENSOR_DEVICE_ATTR_2(temp3_auto_offset1, S_IWUSR | S_IRUGO,
1594 show_temp_auto_offset, store_temp_auto_offset, 0, 2);
1595static SENSOR_DEVICE_ATTR_2(temp3_auto_offset2, S_IWUSR | S_IRUGO,
1596 show_temp_auto_offset, store_temp_auto_offset, 1, 2);
1597static SENSOR_DEVICE_ATTR_2(temp3_auto_offset3, S_IWUSR | S_IRUGO,
1598 show_temp_auto_offset, store_temp_auto_offset, 2, 2);
1599static SENSOR_DEVICE_ATTR_2(temp3_auto_offset4, S_IWUSR | S_IRUGO,
1600 show_temp_auto_offset, store_temp_auto_offset, 3, 2);
1601static SENSOR_DEVICE_ATTR_2(temp3_auto_offset5, S_IWUSR | S_IRUGO,
1602 show_temp_auto_offset, store_temp_auto_offset, 4, 2);
1603static SENSOR_DEVICE_ATTR_2(temp3_auto_offset6, S_IWUSR | S_IRUGO,
1604 show_temp_auto_offset, store_temp_auto_offset, 5, 2);
1605static SENSOR_DEVICE_ATTR_2(temp3_auto_offset7, S_IWUSR | S_IRUGO,
1606 show_temp_auto_offset, store_temp_auto_offset, 6, 2);
1607static SENSOR_DEVICE_ATTR_2(temp3_auto_offset8, S_IWUSR | S_IRUGO,
1608 show_temp_auto_offset, store_temp_auto_offset, 7, 2);
1609static SENSOR_DEVICE_ATTR_2(temp3_auto_offset9, S_IWUSR | S_IRUGO,
1610 show_temp_auto_offset, store_temp_auto_offset, 8, 2);
1611static SENSOR_DEVICE_ATTR_2(temp3_auto_offset10, S_IWUSR | S_IRUGO,
1612 show_temp_auto_offset, store_temp_auto_offset, 9, 2);
1613static SENSOR_DEVICE_ATTR_2(temp3_auto_offset11, S_IWUSR | S_IRUGO,
1614 show_temp_auto_offset, store_temp_auto_offset, 10, 2);
1615static SENSOR_DEVICE_ATTR_2(temp3_auto_offset12, S_IWUSR | S_IRUGO,
1616 show_temp_auto_offset, store_temp_auto_offset, 11, 2);
1617
1618static ssize_t show_temp_auto_pwm_min(struct device *dev,
1619 struct device_attribute *attr, char *buf)
1620{
1621 int nr = (to_sensor_dev_attr(attr))->index;
1622 u8 reg, ctl4;
1623 struct lm93_data *data = lm93_update_device(dev);
1624 reg = data->auto_pwm_min_hyst[nr/2] >> 4 & 0x0f;
1625 ctl4 = data->block9[nr][LM93_PWM_CTL4];
1626 return sprintf(buf, "%d\n", LM93_PWM_FROM_REG(reg, (ctl4 & 0x07) ?
1627 LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ));
1628}
1629
1630static ssize_t store_temp_auto_pwm_min(struct device *dev,
1631 struct device_attribute *attr,
1632 const char *buf, size_t count)
1633{
1634 int nr = (to_sensor_dev_attr(attr))->index;
1635 struct lm93_data *data = dev_get_drvdata(dev);
1636 struct i2c_client *client = data->client;
1637 u8 reg, ctl4;
1638 unsigned long val;
1639 int err;
1640
1641 err = kstrtoul(buf, 10, &val);
1642 if (err)
1643 return err;
1644
1645 mutex_lock(&data->update_lock);
1646 reg = lm93_read_byte(client, LM93_REG_PWM_MIN_HYST(nr));
1647 ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
1648 reg = (reg & 0x0f) |
1649 LM93_PWM_TO_REG(val, (ctl4 & 0x07) ?
1650 LM93_PWM_MAP_LO_FREQ :
1651 LM93_PWM_MAP_HI_FREQ) << 4;
1652 data->auto_pwm_min_hyst[nr/2] = reg;
1653 lm93_write_byte(client, LM93_REG_PWM_MIN_HYST(nr), reg);
1654 mutex_unlock(&data->update_lock);
1655 return count;
1656}
1657
1658static SENSOR_DEVICE_ATTR(temp1_auto_pwm_min, S_IWUSR | S_IRUGO,
1659 show_temp_auto_pwm_min,
1660 store_temp_auto_pwm_min, 0);
1661static SENSOR_DEVICE_ATTR(temp2_auto_pwm_min, S_IWUSR | S_IRUGO,
1662 show_temp_auto_pwm_min,
1663 store_temp_auto_pwm_min, 1);
1664static SENSOR_DEVICE_ATTR(temp3_auto_pwm_min, S_IWUSR | S_IRUGO,
1665 show_temp_auto_pwm_min,
1666 store_temp_auto_pwm_min, 2);
1667
1668static ssize_t show_temp_auto_offset_hyst(struct device *dev,
1669 struct device_attribute *attr, char *buf)
1670{
1671 int nr = (to_sensor_dev_attr(attr))->index;
1672 struct lm93_data *data = lm93_update_device(dev);
1673 int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);
1674 return sprintf(buf, "%d\n", LM93_TEMP_OFFSET_FROM_REG(
1675 data->auto_pwm_min_hyst[nr / 2], mode));
1676}
1677
1678static ssize_t store_temp_auto_offset_hyst(struct device *dev,
1679 struct device_attribute *attr,
1680 const char *buf, size_t count)
1681{
1682 int nr = (to_sensor_dev_attr(attr))->index;
1683 struct lm93_data *data = dev_get_drvdata(dev);
1684 struct i2c_client *client = data->client;
1685 u8 reg;
1686 unsigned long val;
1687 int err;
1688
1689 err = kstrtoul(buf, 10, &val);
1690 if (err)
1691 return err;
1692
1693 mutex_lock(&data->update_lock);
1694 /* force 0.5C/bit mode */
1695 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
1696 data->sfc2 |= ((nr < 2) ? 0x10 : 0x20);
1697 lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);
1698 reg = data->auto_pwm_min_hyst[nr/2];
1699 reg = (reg & 0xf0) | (LM93_TEMP_OFFSET_TO_REG(val, 1) & 0x0f);
1700 data->auto_pwm_min_hyst[nr/2] = reg;
1701 lm93_write_byte(client, LM93_REG_PWM_MIN_HYST(nr), reg);
1702 mutex_unlock(&data->update_lock);
1703 return count;
1704}
1705
1706static SENSOR_DEVICE_ATTR(temp1_auto_offset_hyst, S_IWUSR | S_IRUGO,
1707 show_temp_auto_offset_hyst,
1708 store_temp_auto_offset_hyst, 0);
1709static SENSOR_DEVICE_ATTR(temp2_auto_offset_hyst, S_IWUSR | S_IRUGO,
1710 show_temp_auto_offset_hyst,
1711 store_temp_auto_offset_hyst, 1);
1712static SENSOR_DEVICE_ATTR(temp3_auto_offset_hyst, S_IWUSR | S_IRUGO,
1713 show_temp_auto_offset_hyst,
1714 store_temp_auto_offset_hyst, 2);
1715
1716static ssize_t show_fan_input(struct device *dev,
1717 struct device_attribute *attr, char *buf)
1718{
1719 struct sensor_device_attribute *s_attr = to_sensor_dev_attr(attr);
1720 int nr = s_attr->index;
1721 struct lm93_data *data = lm93_update_device(dev);
1722
1723 return sprintf(buf, "%d\n", LM93_FAN_FROM_REG(data->block5[nr]));
1724}
1725
1726static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0);
1727static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan_input, NULL, 1);
1728static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan_input, NULL, 2);
1729static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan_input, NULL, 3);
1730
1731static ssize_t show_fan_min(struct device *dev,
1732 struct device_attribute *attr, char *buf)
1733{
1734 int nr = (to_sensor_dev_attr(attr))->index;
1735 struct lm93_data *data = lm93_update_device(dev);
1736
1737 return sprintf(buf, "%d\n", LM93_FAN_FROM_REG(data->block8[nr]));
1738}
1739
1740static ssize_t store_fan_min(struct device *dev, struct device_attribute *attr,
1741 const char *buf, size_t count)
1742{
1743 int nr = (to_sensor_dev_attr(attr))->index;
1744 struct lm93_data *data = dev_get_drvdata(dev);
1745 struct i2c_client *client = data->client;
1746 unsigned long val;
1747 int err;
1748
1749 err = kstrtoul(buf, 10, &val);
1750 if (err)
1751 return err;
1752
1753 mutex_lock(&data->update_lock);
1754 data->block8[nr] = LM93_FAN_TO_REG(val);
1755 lm93_write_word(client, LM93_REG_FAN_MIN(nr), data->block8[nr]);
1756 mutex_unlock(&data->update_lock);
1757 return count;
1758}
1759
1760static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO,
1761 show_fan_min, store_fan_min, 0);
1762static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO,
1763 show_fan_min, store_fan_min, 1);
1764static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO,
1765 show_fan_min, store_fan_min, 2);
1766static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO,
1767 show_fan_min, store_fan_min, 3);
1768
1769/*
1770 * some tedious bit-twiddling here to deal with the register format:
1771 *
1772 * data->sf_tach_to_pwm: (tach to pwm mapping bits)
1773 *
1774 * bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0
1775 * T4:P2 T4:P1 T3:P2 T3:P1 T2:P2 T2:P1 T1:P2 T1:P1
1776 *
1777 * data->sfc2: (enable bits)
1778 *
1779 * bit | 3 | 2 | 1 | 0
1780 * T4 T3 T2 T1
1781 */
1782
1783static ssize_t show_fan_smart_tach(struct device *dev,
1784 struct device_attribute *attr, char *buf)
1785{
1786 int nr = (to_sensor_dev_attr(attr))->index;
1787 struct lm93_data *data = lm93_update_device(dev);
1788 long rc = 0;
1789 int mapping;
1790
1791 /* extract the relevant mapping */
1792 mapping = (data->sf_tach_to_pwm >> (nr * 2)) & 0x03;
1793
1794 /* if there's a mapping and it's enabled */
1795 if (mapping && ((data->sfc2 >> nr) & 0x01))
1796 rc = mapping;
1797 return sprintf(buf, "%ld\n", rc);
1798}
1799
1800/*
1801 * helper function - must grab data->update_lock before calling
1802 * fan is 0-3, indicating fan1-fan4
1803 */
1804static void lm93_write_fan_smart_tach(struct i2c_client *client,
1805 struct lm93_data *data, int fan, long value)
1806{
1807 /* insert the new mapping and write it out */
1808 data->sf_tach_to_pwm = lm93_read_byte(client, LM93_REG_SF_TACH_TO_PWM);
1809 data->sf_tach_to_pwm &= ~(0x3 << fan * 2);
1810 data->sf_tach_to_pwm |= value << fan * 2;
1811 lm93_write_byte(client, LM93_REG_SF_TACH_TO_PWM, data->sf_tach_to_pwm);
1812
1813 /* insert the enable bit and write it out */
1814 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
1815 if (value)
1816 data->sfc2 |= 1 << fan;
1817 else
1818 data->sfc2 &= ~(1 << fan);
1819 lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);
1820}
1821
1822static ssize_t store_fan_smart_tach(struct device *dev,
1823 struct device_attribute *attr,
1824 const char *buf, size_t count)
1825{
1826 int nr = (to_sensor_dev_attr(attr))->index;
1827 struct lm93_data *data = dev_get_drvdata(dev);
1828 struct i2c_client *client = data->client;
1829 unsigned long val;
1830 int err;
1831
1832 err = kstrtoul(buf, 10, &val);
1833 if (err)
1834 return err;
1835
1836 mutex_lock(&data->update_lock);
1837 /* sanity test, ignore the write otherwise */
1838 if (val <= 2) {
1839 /* can't enable if pwm freq is 22.5KHz */
1840 if (val) {
1841 u8 ctl4 = lm93_read_byte(client,
1842 LM93_REG_PWM_CTL(val - 1, LM93_PWM_CTL4));
1843 if ((ctl4 & 0x07) == 0)
1844 val = 0;
1845 }
1846 lm93_write_fan_smart_tach(client, data, nr, val);
1847 }
1848 mutex_unlock(&data->update_lock);
1849 return count;
1850}
1851
1852static SENSOR_DEVICE_ATTR(fan1_smart_tach, S_IWUSR | S_IRUGO,
1853 show_fan_smart_tach, store_fan_smart_tach, 0);
1854static SENSOR_DEVICE_ATTR(fan2_smart_tach, S_IWUSR | S_IRUGO,
1855 show_fan_smart_tach, store_fan_smart_tach, 1);
1856static SENSOR_DEVICE_ATTR(fan3_smart_tach, S_IWUSR | S_IRUGO,
1857 show_fan_smart_tach, store_fan_smart_tach, 2);
1858static SENSOR_DEVICE_ATTR(fan4_smart_tach, S_IWUSR | S_IRUGO,
1859 show_fan_smart_tach, store_fan_smart_tach, 3);
1860
1861static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
1862 char *buf)
1863{
1864 int nr = (to_sensor_dev_attr(attr))->index;
1865 struct lm93_data *data = lm93_update_device(dev);
1866 u8 ctl2, ctl4;
1867 long rc;
1868
1869 ctl2 = data->block9[nr][LM93_PWM_CTL2];
1870 ctl4 = data->block9[nr][LM93_PWM_CTL4];
1871 if (ctl2 & 0x01) /* show user commanded value if enabled */
1872 rc = data->pwm_override[nr];
1873 else /* show present h/w value if manual pwm disabled */
1874 rc = LM93_PWM_FROM_REG(ctl2 >> 4, (ctl4 & 0x07) ?
1875 LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ);
1876 return sprintf(buf, "%ld\n", rc);
1877}
1878
1879static ssize_t store_pwm(struct device *dev, struct device_attribute *attr,
1880 const char *buf, size_t count)
1881{
1882 int nr = (to_sensor_dev_attr(attr))->index;
1883 struct lm93_data *data = dev_get_drvdata(dev);
1884 struct i2c_client *client = data->client;
1885 u8 ctl2, ctl4;
1886 unsigned long val;
1887 int err;
1888
1889 err = kstrtoul(buf, 10, &val);
1890 if (err)
1891 return err;
1892
1893 mutex_lock(&data->update_lock);
1894 ctl2 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2));
1895 ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
1896 ctl2 = (ctl2 & 0x0f) | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ?
1897 LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ) << 4;
1898 /* save user commanded value */
1899 data->pwm_override[nr] = LM93_PWM_FROM_REG(ctl2 >> 4,
1900 (ctl4 & 0x07) ? LM93_PWM_MAP_LO_FREQ :
1901 LM93_PWM_MAP_HI_FREQ);
1902 lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2), ctl2);
1903 mutex_unlock(&data->update_lock);
1904 return count;
1905}
1906
1907static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0);
1908static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1);
1909
1910static ssize_t show_pwm_enable(struct device *dev,
1911 struct device_attribute *attr, char *buf)
1912{
1913 int nr = (to_sensor_dev_attr(attr))->index;
1914 struct lm93_data *data = lm93_update_device(dev);
1915 u8 ctl2;
1916 long rc;
1917
1918 ctl2 = data->block9[nr][LM93_PWM_CTL2];
1919 if (ctl2 & 0x01) /* manual override enabled ? */
1920 rc = ((ctl2 & 0xF0) == 0xF0) ? 0 : 1;
1921 else
1922 rc = 2;
1923 return sprintf(buf, "%ld\n", rc);
1924}
1925
1926static ssize_t store_pwm_enable(struct device *dev,
1927 struct device_attribute *attr,
1928 const char *buf, size_t count)
1929{
1930 int nr = (to_sensor_dev_attr(attr))->index;
1931 struct lm93_data *data = dev_get_drvdata(dev);
1932 struct i2c_client *client = data->client;
1933 u8 ctl2;
1934 unsigned long val;
1935 int err;
1936
1937 err = kstrtoul(buf, 10, &val);
1938 if (err)
1939 return err;
1940
1941 mutex_lock(&data->update_lock);
1942 ctl2 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2));
1943
1944 switch (val) {
1945 case 0:
1946 ctl2 |= 0xF1; /* enable manual override, set PWM to max */
1947 break;
1948 case 1:
1949 ctl2 |= 0x01; /* enable manual override */
1950 break;
1951 case 2:
1952 ctl2 &= ~0x01; /* disable manual override */
1953 break;
1954 default:
1955 mutex_unlock(&data->update_lock);
1956 return -EINVAL;
1957 }
1958
1959 lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2), ctl2);
1960 mutex_unlock(&data->update_lock);
1961 return count;
1962}
1963
1964static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO,
1965 show_pwm_enable, store_pwm_enable, 0);
1966static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO,
1967 show_pwm_enable, store_pwm_enable, 1);
1968
1969static ssize_t show_pwm_freq(struct device *dev, struct device_attribute *attr,
1970 char *buf)
1971{
1972 int nr = (to_sensor_dev_attr(attr))->index;
1973 struct lm93_data *data = lm93_update_device(dev);
1974 u8 ctl4;
1975
1976 ctl4 = data->block9[nr][LM93_PWM_CTL4];
1977 return sprintf(buf, "%d\n", LM93_PWM_FREQ_FROM_REG(ctl4));
1978}
1979
1980/*
1981 * helper function - must grab data->update_lock before calling
1982 * pwm is 0-1, indicating pwm1-pwm2
1983 * this disables smart tach for all tach channels bound to the given pwm
1984 */
1985static void lm93_disable_fan_smart_tach(struct i2c_client *client,
1986 struct lm93_data *data, int pwm)
1987{
1988 int mapping = lm93_read_byte(client, LM93_REG_SF_TACH_TO_PWM);
1989 int mask;
1990
1991 /* collapse the mapping into a mask of enable bits */
1992 mapping = (mapping >> pwm) & 0x55;
1993 mask = mapping & 0x01;
1994 mask |= (mapping & 0x04) >> 1;
1995 mask |= (mapping & 0x10) >> 2;
1996 mask |= (mapping & 0x40) >> 3;
1997
1998 /* disable smart tach according to the mask */
1999 data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);
2000 data->sfc2 &= ~mask;
2001 lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);
2002}
2003
2004static ssize_t store_pwm_freq(struct device *dev,
2005 struct device_attribute *attr,
2006 const char *buf, size_t count)
2007{
2008 int nr = (to_sensor_dev_attr(attr))->index;
2009 struct lm93_data *data = dev_get_drvdata(dev);
2010 struct i2c_client *client = data->client;
2011 u8 ctl4;
2012 unsigned long val;
2013 int err;
2014
2015 err = kstrtoul(buf, 10, &val);
2016 if (err)
2017 return err;
2018
2019 mutex_lock(&data->update_lock);
2020 ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
2021 ctl4 = (ctl4 & 0xf8) | LM93_PWM_FREQ_TO_REG(val);
2022 data->block9[nr][LM93_PWM_CTL4] = ctl4;
2023 /* ctl4 == 0 -> 22.5KHz -> disable smart tach */
2024 if (!ctl4)
2025 lm93_disable_fan_smart_tach(client, data, nr);
2026 lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4), ctl4);
2027 mutex_unlock(&data->update_lock);
2028 return count;
2029}
2030
2031static SENSOR_DEVICE_ATTR(pwm1_freq, S_IWUSR | S_IRUGO,
2032 show_pwm_freq, store_pwm_freq, 0);
2033static SENSOR_DEVICE_ATTR(pwm2_freq, S_IWUSR | S_IRUGO,
2034 show_pwm_freq, store_pwm_freq, 1);
2035
2036static ssize_t show_pwm_auto_channels(struct device *dev,
2037 struct device_attribute *attr, char *buf)
2038{
2039 int nr = (to_sensor_dev_attr(attr))->index;
2040 struct lm93_data *data = lm93_update_device(dev);
2041 return sprintf(buf, "%d\n", data->block9[nr][LM93_PWM_CTL1]);
2042}
2043
2044static ssize_t store_pwm_auto_channels(struct device *dev,
2045 struct device_attribute *attr,
2046 const char *buf, size_t count)
2047{
2048 int nr = (to_sensor_dev_attr(attr))->index;
2049 struct lm93_data *data = dev_get_drvdata(dev);
2050 struct i2c_client *client = data->client;
2051 unsigned long val;
2052 int err;
2053
2054 err = kstrtoul(buf, 10, &val);
2055 if (err)
2056 return err;
2057
2058 mutex_lock(&data->update_lock);
2059 data->block9[nr][LM93_PWM_CTL1] = clamp_val(val, 0, 255);
2060 lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL1),
2061 data->block9[nr][LM93_PWM_CTL1]);
2062 mutex_unlock(&data->update_lock);
2063 return count;
2064}
2065
2066static SENSOR_DEVICE_ATTR(pwm1_auto_channels, S_IWUSR | S_IRUGO,
2067 show_pwm_auto_channels, store_pwm_auto_channels, 0);
2068static SENSOR_DEVICE_ATTR(pwm2_auto_channels, S_IWUSR | S_IRUGO,
2069 show_pwm_auto_channels, store_pwm_auto_channels, 1);
2070
2071static ssize_t show_pwm_auto_spinup_min(struct device *dev,
2072 struct device_attribute *attr, char *buf)
2073{
2074 int nr = (to_sensor_dev_attr(attr))->index;
2075 struct lm93_data *data = lm93_update_device(dev);
2076 u8 ctl3, ctl4;
2077
2078 ctl3 = data->block9[nr][LM93_PWM_CTL3];
2079 ctl4 = data->block9[nr][LM93_PWM_CTL4];
2080 return sprintf(buf, "%d\n",
2081 LM93_PWM_FROM_REG(ctl3 & 0x0f, (ctl4 & 0x07) ?
2082 LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ));
2083}
2084
2085static ssize_t store_pwm_auto_spinup_min(struct device *dev,
2086 struct device_attribute *attr,
2087 const char *buf, size_t count)
2088{
2089 int nr = (to_sensor_dev_attr(attr))->index;
2090 struct lm93_data *data = dev_get_drvdata(dev);
2091 struct i2c_client *client = data->client;
2092 u8 ctl3, ctl4;
2093 unsigned long val;
2094 int err;
2095
2096 err = kstrtoul(buf, 10, &val);
2097 if (err)
2098 return err;
2099
2100 mutex_lock(&data->update_lock);
2101 ctl3 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3));
2102 ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4));
2103 ctl3 = (ctl3 & 0xf0) | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ?
2104 LM93_PWM_MAP_LO_FREQ :
2105 LM93_PWM_MAP_HI_FREQ);
2106 data->block9[nr][LM93_PWM_CTL3] = ctl3;
2107 lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3);
2108 mutex_unlock(&data->update_lock);
2109 return count;
2110}
2111
2112static SENSOR_DEVICE_ATTR(pwm1_auto_spinup_min, S_IWUSR | S_IRUGO,
2113 show_pwm_auto_spinup_min,
2114 store_pwm_auto_spinup_min, 0);
2115static SENSOR_DEVICE_ATTR(pwm2_auto_spinup_min, S_IWUSR | S_IRUGO,
2116 show_pwm_auto_spinup_min,
2117 store_pwm_auto_spinup_min, 1);
2118
2119static ssize_t show_pwm_auto_spinup_time(struct device *dev,
2120 struct device_attribute *attr, char *buf)
2121{
2122 int nr = (to_sensor_dev_attr(attr))->index;
2123 struct lm93_data *data = lm93_update_device(dev);
2124 return sprintf(buf, "%d\n", LM93_SPINUP_TIME_FROM_REG(
2125 data->block9[nr][LM93_PWM_CTL3]));
2126}
2127
2128static ssize_t store_pwm_auto_spinup_time(struct device *dev,
2129 struct device_attribute *attr,
2130 const char *buf, size_t count)
2131{
2132 int nr = (to_sensor_dev_attr(attr))->index;
2133 struct lm93_data *data = dev_get_drvdata(dev);
2134 struct i2c_client *client = data->client;
2135 u8 ctl3;
2136 unsigned long val;
2137 int err;
2138
2139 err = kstrtoul(buf, 10, &val);
2140 if (err)
2141 return err;
2142
2143 mutex_lock(&data->update_lock);
2144 ctl3 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3));
2145 ctl3 = (ctl3 & 0x1f) | (LM93_SPINUP_TIME_TO_REG(val) << 5 & 0xe0);
2146 data->block9[nr][LM93_PWM_CTL3] = ctl3;
2147 lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3);
2148 mutex_unlock(&data->update_lock);
2149 return count;
2150}
2151
2152static SENSOR_DEVICE_ATTR(pwm1_auto_spinup_time, S_IWUSR | S_IRUGO,
2153 show_pwm_auto_spinup_time,
2154 store_pwm_auto_spinup_time, 0);
2155static SENSOR_DEVICE_ATTR(pwm2_auto_spinup_time, S_IWUSR | S_IRUGO,
2156 show_pwm_auto_spinup_time,
2157 store_pwm_auto_spinup_time, 1);
2158
2159static ssize_t show_pwm_auto_prochot_ramp(struct device *dev,
2160 struct device_attribute *attr, char *buf)
2161{
2162 struct lm93_data *data = lm93_update_device(dev);
2163 return sprintf(buf, "%d\n",
2164 LM93_RAMP_FROM_REG(data->pwm_ramp_ctl >> 4 & 0x0f));
2165}
2166
2167static ssize_t store_pwm_auto_prochot_ramp(struct device *dev,
2168 struct device_attribute *attr,
2169 const char *buf, size_t count)
2170{
2171 struct lm93_data *data = dev_get_drvdata(dev);
2172 struct i2c_client *client = data->client;
2173 u8 ramp;
2174 unsigned long val;
2175 int err;
2176
2177 err = kstrtoul(buf, 10, &val);
2178 if (err)
2179 return err;
2180
2181 mutex_lock(&data->update_lock);
2182 ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL);
2183 ramp = (ramp & 0x0f) | (LM93_RAMP_TO_REG(val) << 4 & 0xf0);
2184 lm93_write_byte(client, LM93_REG_PWM_RAMP_CTL, ramp);
2185 mutex_unlock(&data->update_lock);
2186 return count;
2187}
2188
2189static DEVICE_ATTR(pwm_auto_prochot_ramp, S_IRUGO | S_IWUSR,
2190 show_pwm_auto_prochot_ramp,
2191 store_pwm_auto_prochot_ramp);
2192
2193static ssize_t show_pwm_auto_vrdhot_ramp(struct device *dev,
2194 struct device_attribute *attr, char *buf)
2195{
2196 struct lm93_data *data = lm93_update_device(dev);
2197 return sprintf(buf, "%d\n",
2198 LM93_RAMP_FROM_REG(data->pwm_ramp_ctl & 0x0f));
2199}
2200
2201static ssize_t store_pwm_auto_vrdhot_ramp(struct device *dev,
2202 struct device_attribute *attr,
2203 const char *buf, size_t count)
2204{
2205 struct lm93_data *data = dev_get_drvdata(dev);
2206 struct i2c_client *client = data->client;
2207 u8 ramp;
2208 unsigned long val;
2209 int err;
2210
2211 err = kstrtoul(buf, 10, &val);
2212 if (err)
2213 return err;
2214
2215 mutex_lock(&data->update_lock);
2216 ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL);
2217 ramp = (ramp & 0xf0) | (LM93_RAMP_TO_REG(val) & 0x0f);
2218 lm93_write_byte(client, LM93_REG_PWM_RAMP_CTL, ramp);
2219 mutex_unlock(&data->update_lock);
2220 return 0;
2221}
2222
2223static DEVICE_ATTR(pwm_auto_vrdhot_ramp, S_IRUGO | S_IWUSR,
2224 show_pwm_auto_vrdhot_ramp,
2225 store_pwm_auto_vrdhot_ramp);
2226
2227static ssize_t show_vid(struct device *dev, struct device_attribute *attr,
2228 char *buf)
2229{
2230 int nr = (to_sensor_dev_attr(attr))->index;
2231 struct lm93_data *data = lm93_update_device(dev);
2232 return sprintf(buf, "%d\n", LM93_VID_FROM_REG(data->vid[nr]));
2233}
2234
2235static SENSOR_DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL, 0);
2236static SENSOR_DEVICE_ATTR(cpu1_vid, S_IRUGO, show_vid, NULL, 1);
2237
2238static ssize_t show_prochot(struct device *dev, struct device_attribute *attr,
2239 char *buf)
2240{
2241 int nr = (to_sensor_dev_attr(attr))->index;
2242 struct lm93_data *data = lm93_update_device(dev);
2243 return sprintf(buf, "%d\n", data->block4[nr].cur);
2244}
2245
2246static SENSOR_DEVICE_ATTR(prochot1, S_IRUGO, show_prochot, NULL, 0);
2247static SENSOR_DEVICE_ATTR(prochot2, S_IRUGO, show_prochot, NULL, 1);
2248
2249static ssize_t show_prochot_avg(struct device *dev,
2250 struct device_attribute *attr, char *buf)
2251{
2252 int nr = (to_sensor_dev_attr(attr))->index;
2253 struct lm93_data *data = lm93_update_device(dev);
2254 return sprintf(buf, "%d\n", data->block4[nr].avg);
2255}
2256
2257static SENSOR_DEVICE_ATTR(prochot1_avg, S_IRUGO, show_prochot_avg, NULL, 0);
2258static SENSOR_DEVICE_ATTR(prochot2_avg, S_IRUGO, show_prochot_avg, NULL, 1);
2259
2260static ssize_t show_prochot_max(struct device *dev,
2261 struct device_attribute *attr, char *buf)
2262{
2263 int nr = (to_sensor_dev_attr(attr))->index;
2264 struct lm93_data *data = lm93_update_device(dev);
2265 return sprintf(buf, "%d\n", data->prochot_max[nr]);
2266}
2267
2268static ssize_t store_prochot_max(struct device *dev,
2269 struct device_attribute *attr,
2270 const char *buf, size_t count)
2271{
2272 int nr = (to_sensor_dev_attr(attr))->index;
2273 struct lm93_data *data = dev_get_drvdata(dev);
2274 struct i2c_client *client = data->client;
2275 unsigned long val;
2276 int err;
2277
2278 err = kstrtoul(buf, 10, &val);
2279 if (err)
2280 return err;
2281
2282 mutex_lock(&data->update_lock);
2283 data->prochot_max[nr] = LM93_PROCHOT_TO_REG(val);
2284 lm93_write_byte(client, LM93_REG_PROCHOT_MAX(nr),
2285 data->prochot_max[nr]);
2286 mutex_unlock(&data->update_lock);
2287 return count;
2288}
2289
2290static SENSOR_DEVICE_ATTR(prochot1_max, S_IWUSR | S_IRUGO,
2291 show_prochot_max, store_prochot_max, 0);
2292static SENSOR_DEVICE_ATTR(prochot2_max, S_IWUSR | S_IRUGO,
2293 show_prochot_max, store_prochot_max, 1);
2294
2295static const u8 prochot_override_mask[] = { 0x80, 0x40 };
2296
2297static ssize_t show_prochot_override(struct device *dev,
2298 struct device_attribute *attr, char *buf)
2299{
2300 int nr = (to_sensor_dev_attr(attr))->index;
2301 struct lm93_data *data = lm93_update_device(dev);
2302 return sprintf(buf, "%d\n",
2303 (data->prochot_override & prochot_override_mask[nr]) ? 1 : 0);
2304}
2305
2306static ssize_t store_prochot_override(struct device *dev,
2307 struct device_attribute *attr,
2308 const char *buf, size_t count)
2309{
2310 int nr = (to_sensor_dev_attr(attr))->index;
2311 struct lm93_data *data = dev_get_drvdata(dev);
2312 struct i2c_client *client = data->client;
2313 unsigned long val;
2314 int err;
2315
2316 err = kstrtoul(buf, 10, &val);
2317 if (err)
2318 return err;
2319
2320 mutex_lock(&data->update_lock);
2321 if (val)
2322 data->prochot_override |= prochot_override_mask[nr];
2323 else
2324 data->prochot_override &= (~prochot_override_mask[nr]);
2325 lm93_write_byte(client, LM93_REG_PROCHOT_OVERRIDE,
2326 data->prochot_override);
2327 mutex_unlock(&data->update_lock);
2328 return count;
2329}
2330
2331static SENSOR_DEVICE_ATTR(prochot1_override, S_IWUSR | S_IRUGO,
2332 show_prochot_override, store_prochot_override, 0);
2333static SENSOR_DEVICE_ATTR(prochot2_override, S_IWUSR | S_IRUGO,
2334 show_prochot_override, store_prochot_override, 1);
2335
2336static ssize_t show_prochot_interval(struct device *dev,
2337 struct device_attribute *attr, char *buf)
2338{
2339 int nr = (to_sensor_dev_attr(attr))->index;
2340 struct lm93_data *data = lm93_update_device(dev);
2341 u8 tmp;
2342 if (nr == 1)
2343 tmp = (data->prochot_interval & 0xf0) >> 4;
2344 else
2345 tmp = data->prochot_interval & 0x0f;
2346 return sprintf(buf, "%d\n", LM93_INTERVAL_FROM_REG(tmp));
2347}
2348
2349static ssize_t store_prochot_interval(struct device *dev,
2350 struct device_attribute *attr,
2351 const char *buf, size_t count)
2352{
2353 int nr = (to_sensor_dev_attr(attr))->index;
2354 struct lm93_data *data = dev_get_drvdata(dev);
2355 struct i2c_client *client = data->client;
2356 u8 tmp;
2357 unsigned long val;
2358 int err;
2359
2360 err = kstrtoul(buf, 10, &val);
2361 if (err)
2362 return err;
2363
2364 mutex_lock(&data->update_lock);
2365 tmp = lm93_read_byte(client, LM93_REG_PROCHOT_INTERVAL);
2366 if (nr == 1)
2367 tmp = (tmp & 0x0f) | (LM93_INTERVAL_TO_REG(val) << 4);
2368 else
2369 tmp = (tmp & 0xf0) | LM93_INTERVAL_TO_REG(val);
2370 data->prochot_interval = tmp;
2371 lm93_write_byte(client, LM93_REG_PROCHOT_INTERVAL, tmp);
2372 mutex_unlock(&data->update_lock);
2373 return count;
2374}
2375
2376static SENSOR_DEVICE_ATTR(prochot1_interval, S_IWUSR | S_IRUGO,
2377 show_prochot_interval, store_prochot_interval, 0);
2378static SENSOR_DEVICE_ATTR(prochot2_interval, S_IWUSR | S_IRUGO,
2379 show_prochot_interval, store_prochot_interval, 1);
2380
2381static ssize_t show_prochot_override_duty_cycle(struct device *dev,
2382 struct device_attribute *attr,
2383 char *buf)
2384{
2385 struct lm93_data *data = lm93_update_device(dev);
2386 return sprintf(buf, "%d\n", data->prochot_override & 0x0f);
2387}
2388
2389static ssize_t store_prochot_override_duty_cycle(struct device *dev,
2390 struct device_attribute *attr,
2391 const char *buf, size_t count)
2392{
2393 struct lm93_data *data = dev_get_drvdata(dev);
2394 struct i2c_client *client = data->client;
2395 unsigned long val;
2396 int err;
2397
2398 err = kstrtoul(buf, 10, &val);
2399 if (err)
2400 return err;
2401
2402 mutex_lock(&data->update_lock);
2403 data->prochot_override = (data->prochot_override & 0xf0) |
2404 clamp_val(val, 0, 15);
2405 lm93_write_byte(client, LM93_REG_PROCHOT_OVERRIDE,
2406 data->prochot_override);
2407 mutex_unlock(&data->update_lock);
2408 return count;
2409}
2410
2411static DEVICE_ATTR(prochot_override_duty_cycle, S_IRUGO | S_IWUSR,
2412 show_prochot_override_duty_cycle,
2413 store_prochot_override_duty_cycle);
2414
2415static ssize_t show_prochot_short(struct device *dev,
2416 struct device_attribute *attr, char *buf)
2417{
2418 struct lm93_data *data = lm93_update_device(dev);
2419 return sprintf(buf, "%d\n", (data->config & 0x10) ? 1 : 0);
2420}
2421
2422static ssize_t store_prochot_short(struct device *dev,
2423 struct device_attribute *attr,
2424 const char *buf, size_t count)
2425{
2426 struct lm93_data *data = dev_get_drvdata(dev);
2427 struct i2c_client *client = data->client;
2428 unsigned long val;
2429 int err;
2430
2431 err = kstrtoul(buf, 10, &val);
2432 if (err)
2433 return err;
2434
2435 mutex_lock(&data->update_lock);
2436 if (val)
2437 data->config |= 0x10;
2438 else
2439 data->config &= ~0x10;
2440 lm93_write_byte(client, LM93_REG_CONFIG, data->config);
2441 mutex_unlock(&data->update_lock);
2442 return count;
2443}
2444
2445static DEVICE_ATTR(prochot_short, S_IRUGO | S_IWUSR,
2446 show_prochot_short, store_prochot_short);
2447
2448static ssize_t show_vrdhot(struct device *dev, struct device_attribute *attr,
2449 char *buf)
2450{
2451 int nr = (to_sensor_dev_attr(attr))->index;
2452 struct lm93_data *data = lm93_update_device(dev);
2453 return sprintf(buf, "%d\n",
2454 data->block1.host_status_1 & (1 << (nr + 4)) ? 1 : 0);
2455}
2456
2457static SENSOR_DEVICE_ATTR(vrdhot1, S_IRUGO, show_vrdhot, NULL, 0);
2458static SENSOR_DEVICE_ATTR(vrdhot2, S_IRUGO, show_vrdhot, NULL, 1);
2459
2460static ssize_t show_gpio(struct device *dev, struct device_attribute *attr,
2461 char *buf)
2462{
2463 struct lm93_data *data = lm93_update_device(dev);
2464 return sprintf(buf, "%d\n", LM93_GPI_FROM_REG(data->gpi));
2465}
2466
2467static DEVICE_ATTR(gpio, S_IRUGO, show_gpio, NULL);
2468
2469static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
2470 char *buf)
2471{
2472 struct lm93_data *data = lm93_update_device(dev);
2473 return sprintf(buf, "%d\n", LM93_ALARMS_FROM_REG(data->block1));
2474}
2475
2476static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
2477
2478static struct attribute *lm93_attrs[] = {
2479 &sensor_dev_attr_in1_input.dev_attr.attr,
2480 &sensor_dev_attr_in2_input.dev_attr.attr,
2481 &sensor_dev_attr_in3_input.dev_attr.attr,
2482 &sensor_dev_attr_in4_input.dev_attr.attr,
2483 &sensor_dev_attr_in5_input.dev_attr.attr,
2484 &sensor_dev_attr_in6_input.dev_attr.attr,
2485 &sensor_dev_attr_in7_input.dev_attr.attr,
2486 &sensor_dev_attr_in8_input.dev_attr.attr,
2487 &sensor_dev_attr_in9_input.dev_attr.attr,
2488 &sensor_dev_attr_in10_input.dev_attr.attr,
2489 &sensor_dev_attr_in11_input.dev_attr.attr,
2490 &sensor_dev_attr_in12_input.dev_attr.attr,
2491 &sensor_dev_attr_in13_input.dev_attr.attr,
2492 &sensor_dev_attr_in14_input.dev_attr.attr,
2493 &sensor_dev_attr_in15_input.dev_attr.attr,
2494 &sensor_dev_attr_in16_input.dev_attr.attr,
2495 &sensor_dev_attr_in1_min.dev_attr.attr,
2496 &sensor_dev_attr_in2_min.dev_attr.attr,
2497 &sensor_dev_attr_in3_min.dev_attr.attr,
2498 &sensor_dev_attr_in4_min.dev_attr.attr,
2499 &sensor_dev_attr_in5_min.dev_attr.attr,
2500 &sensor_dev_attr_in6_min.dev_attr.attr,
2501 &sensor_dev_attr_in7_min.dev_attr.attr,
2502 &sensor_dev_attr_in8_min.dev_attr.attr,
2503 &sensor_dev_attr_in9_min.dev_attr.attr,
2504 &sensor_dev_attr_in10_min.dev_attr.attr,
2505 &sensor_dev_attr_in11_min.dev_attr.attr,
2506 &sensor_dev_attr_in12_min.dev_attr.attr,
2507 &sensor_dev_attr_in13_min.dev_attr.attr,
2508 &sensor_dev_attr_in14_min.dev_attr.attr,
2509 &sensor_dev_attr_in15_min.dev_attr.attr,
2510 &sensor_dev_attr_in16_min.dev_attr.attr,
2511 &sensor_dev_attr_in1_max.dev_attr.attr,
2512 &sensor_dev_attr_in2_max.dev_attr.attr,
2513 &sensor_dev_attr_in3_max.dev_attr.attr,
2514 &sensor_dev_attr_in4_max.dev_attr.attr,
2515 &sensor_dev_attr_in5_max.dev_attr.attr,
2516 &sensor_dev_attr_in6_max.dev_attr.attr,
2517 &sensor_dev_attr_in7_max.dev_attr.attr,
2518 &sensor_dev_attr_in8_max.dev_attr.attr,
2519 &sensor_dev_attr_in9_max.dev_attr.attr,
2520 &sensor_dev_attr_in10_max.dev_attr.attr,
2521 &sensor_dev_attr_in11_max.dev_attr.attr,
2522 &sensor_dev_attr_in12_max.dev_attr.attr,
2523 &sensor_dev_attr_in13_max.dev_attr.attr,
2524 &sensor_dev_attr_in14_max.dev_attr.attr,
2525 &sensor_dev_attr_in15_max.dev_attr.attr,
2526 &sensor_dev_attr_in16_max.dev_attr.attr,
2527 &sensor_dev_attr_temp1_input.dev_attr.attr,
2528 &sensor_dev_attr_temp2_input.dev_attr.attr,
2529 &sensor_dev_attr_temp3_input.dev_attr.attr,
2530 &sensor_dev_attr_temp1_min.dev_attr.attr,
2531 &sensor_dev_attr_temp2_min.dev_attr.attr,
2532 &sensor_dev_attr_temp3_min.dev_attr.attr,
2533 &sensor_dev_attr_temp1_max.dev_attr.attr,
2534 &sensor_dev_attr_temp2_max.dev_attr.attr,
2535 &sensor_dev_attr_temp3_max.dev_attr.attr,
2536 &sensor_dev_attr_temp1_auto_base.dev_attr.attr,
2537 &sensor_dev_attr_temp2_auto_base.dev_attr.attr,
2538 &sensor_dev_attr_temp3_auto_base.dev_attr.attr,
2539 &sensor_dev_attr_temp1_auto_boost.dev_attr.attr,
2540 &sensor_dev_attr_temp2_auto_boost.dev_attr.attr,
2541 &sensor_dev_attr_temp3_auto_boost.dev_attr.attr,
2542 &sensor_dev_attr_temp1_auto_boost_hyst.dev_attr.attr,
2543 &sensor_dev_attr_temp2_auto_boost_hyst.dev_attr.attr,
2544 &sensor_dev_attr_temp3_auto_boost_hyst.dev_attr.attr,
2545 &sensor_dev_attr_temp1_auto_offset1.dev_attr.attr,
2546 &sensor_dev_attr_temp1_auto_offset2.dev_attr.attr,
2547 &sensor_dev_attr_temp1_auto_offset3.dev_attr.attr,
2548 &sensor_dev_attr_temp1_auto_offset4.dev_attr.attr,
2549 &sensor_dev_attr_temp1_auto_offset5.dev_attr.attr,
2550 &sensor_dev_attr_temp1_auto_offset6.dev_attr.attr,
2551 &sensor_dev_attr_temp1_auto_offset7.dev_attr.attr,
2552 &sensor_dev_attr_temp1_auto_offset8.dev_attr.attr,
2553 &sensor_dev_attr_temp1_auto_offset9.dev_attr.attr,
2554 &sensor_dev_attr_temp1_auto_offset10.dev_attr.attr,
2555 &sensor_dev_attr_temp1_auto_offset11.dev_attr.attr,
2556 &sensor_dev_attr_temp1_auto_offset12.dev_attr.attr,
2557 &sensor_dev_attr_temp2_auto_offset1.dev_attr.attr,
2558 &sensor_dev_attr_temp2_auto_offset2.dev_attr.attr,
2559 &sensor_dev_attr_temp2_auto_offset3.dev_attr.attr,
2560 &sensor_dev_attr_temp2_auto_offset4.dev_attr.attr,
2561 &sensor_dev_attr_temp2_auto_offset5.dev_attr.attr,
2562 &sensor_dev_attr_temp2_auto_offset6.dev_attr.attr,
2563 &sensor_dev_attr_temp2_auto_offset7.dev_attr.attr,
2564 &sensor_dev_attr_temp2_auto_offset8.dev_attr.attr,
2565 &sensor_dev_attr_temp2_auto_offset9.dev_attr.attr,
2566 &sensor_dev_attr_temp2_auto_offset10.dev_attr.attr,
2567 &sensor_dev_attr_temp2_auto_offset11.dev_attr.attr,
2568 &sensor_dev_attr_temp2_auto_offset12.dev_attr.attr,
2569 &sensor_dev_attr_temp3_auto_offset1.dev_attr.attr,
2570 &sensor_dev_attr_temp3_auto_offset2.dev_attr.attr,
2571 &sensor_dev_attr_temp3_auto_offset3.dev_attr.attr,
2572 &sensor_dev_attr_temp3_auto_offset4.dev_attr.attr,
2573 &sensor_dev_attr_temp3_auto_offset5.dev_attr.attr,
2574 &sensor_dev_attr_temp3_auto_offset6.dev_attr.attr,
2575 &sensor_dev_attr_temp3_auto_offset7.dev_attr.attr,
2576 &sensor_dev_attr_temp3_auto_offset8.dev_attr.attr,
2577 &sensor_dev_attr_temp3_auto_offset9.dev_attr.attr,
2578 &sensor_dev_attr_temp3_auto_offset10.dev_attr.attr,
2579 &sensor_dev_attr_temp3_auto_offset11.dev_attr.attr,
2580 &sensor_dev_attr_temp3_auto_offset12.dev_attr.attr,
2581 &sensor_dev_attr_temp1_auto_pwm_min.dev_attr.attr,
2582 &sensor_dev_attr_temp2_auto_pwm_min.dev_attr.attr,
2583 &sensor_dev_attr_temp3_auto_pwm_min.dev_attr.attr,
2584 &sensor_dev_attr_temp1_auto_offset_hyst.dev_attr.attr,
2585 &sensor_dev_attr_temp2_auto_offset_hyst.dev_attr.attr,
2586 &sensor_dev_attr_temp3_auto_offset_hyst.dev_attr.attr,
2587 &sensor_dev_attr_fan1_input.dev_attr.attr,
2588 &sensor_dev_attr_fan2_input.dev_attr.attr,
2589 &sensor_dev_attr_fan3_input.dev_attr.attr,
2590 &sensor_dev_attr_fan4_input.dev_attr.attr,
2591 &sensor_dev_attr_fan1_min.dev_attr.attr,
2592 &sensor_dev_attr_fan2_min.dev_attr.attr,
2593 &sensor_dev_attr_fan3_min.dev_attr.attr,
2594 &sensor_dev_attr_fan4_min.dev_attr.attr,
2595 &sensor_dev_attr_fan1_smart_tach.dev_attr.attr,
2596 &sensor_dev_attr_fan2_smart_tach.dev_attr.attr,
2597 &sensor_dev_attr_fan3_smart_tach.dev_attr.attr,
2598 &sensor_dev_attr_fan4_smart_tach.dev_attr.attr,
2599 &sensor_dev_attr_pwm1.dev_attr.attr,
2600 &sensor_dev_attr_pwm2.dev_attr.attr,
2601 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
2602 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
2603 &sensor_dev_attr_pwm1_freq.dev_attr.attr,
2604 &sensor_dev_attr_pwm2_freq.dev_attr.attr,
2605 &sensor_dev_attr_pwm1_auto_channels.dev_attr.attr,
2606 &sensor_dev_attr_pwm2_auto_channels.dev_attr.attr,
2607 &sensor_dev_attr_pwm1_auto_spinup_min.dev_attr.attr,
2608 &sensor_dev_attr_pwm2_auto_spinup_min.dev_attr.attr,
2609 &sensor_dev_attr_pwm1_auto_spinup_time.dev_attr.attr,
2610 &sensor_dev_attr_pwm2_auto_spinup_time.dev_attr.attr,
2611 &dev_attr_pwm_auto_prochot_ramp.attr,
2612 &dev_attr_pwm_auto_vrdhot_ramp.attr,
2613 &sensor_dev_attr_cpu0_vid.dev_attr.attr,
2614 &sensor_dev_attr_cpu1_vid.dev_attr.attr,
2615 &sensor_dev_attr_prochot1.dev_attr.attr,
2616 &sensor_dev_attr_prochot2.dev_attr.attr,
2617 &sensor_dev_attr_prochot1_avg.dev_attr.attr,
2618 &sensor_dev_attr_prochot2_avg.dev_attr.attr,
2619 &sensor_dev_attr_prochot1_max.dev_attr.attr,
2620 &sensor_dev_attr_prochot2_max.dev_attr.attr,
2621 &sensor_dev_attr_prochot1_override.dev_attr.attr,
2622 &sensor_dev_attr_prochot2_override.dev_attr.attr,
2623 &sensor_dev_attr_prochot1_interval.dev_attr.attr,
2624 &sensor_dev_attr_prochot2_interval.dev_attr.attr,
2625 &dev_attr_prochot_override_duty_cycle.attr,
2626 &dev_attr_prochot_short.attr,
2627 &sensor_dev_attr_vrdhot1.dev_attr.attr,
2628 &sensor_dev_attr_vrdhot2.dev_attr.attr,
2629 &dev_attr_gpio.attr,
2630 &dev_attr_alarms.attr,
2631 NULL
2632};
2633
2634ATTRIBUTE_GROUPS(lm93);
2635
2636static void lm93_init_client(struct i2c_client *client)
2637{
2638 int i;
2639 u8 reg;
2640
2641 /* configure VID pin input thresholds */
2642 reg = lm93_read_byte(client, LM93_REG_GPI_VID_CTL);
2643 lm93_write_byte(client, LM93_REG_GPI_VID_CTL,
2644 reg | (vid_agtl ? 0x03 : 0x00));
2645
2646 if (init) {
2647 /* enable #ALERT pin */
2648 reg = lm93_read_byte(client, LM93_REG_CONFIG);
2649 lm93_write_byte(client, LM93_REG_CONFIG, reg | 0x08);
2650
2651 /* enable ASF mode for BMC status registers */
2652 reg = lm93_read_byte(client, LM93_REG_STATUS_CONTROL);
2653 lm93_write_byte(client, LM93_REG_STATUS_CONTROL, reg | 0x02);
2654
2655 /* set sleep state to S0 */
2656 lm93_write_byte(client, LM93_REG_SLEEP_CONTROL, 0);
2657
2658 /* unmask #VRDHOT and dynamic VCCP (if nec) error events */
2659 reg = lm93_read_byte(client, LM93_REG_MISC_ERR_MASK);
2660 reg &= ~0x03;
2661 reg &= ~(vccp_limit_type[0] ? 0x10 : 0);
2662 reg &= ~(vccp_limit_type[1] ? 0x20 : 0);
2663 lm93_write_byte(client, LM93_REG_MISC_ERR_MASK, reg);
2664 }
2665
2666 /* start monitoring */
2667 reg = lm93_read_byte(client, LM93_REG_CONFIG);
2668 lm93_write_byte(client, LM93_REG_CONFIG, reg | 0x01);
2669
2670 /* spin until ready */
2671 for (i = 0; i < 20; i++) {
2672 msleep(10);
2673 if ((lm93_read_byte(client, LM93_REG_CONFIG) & 0x80) == 0x80)
2674 return;
2675 }
2676
2677 dev_warn(&client->dev,
2678 "timed out waiting for sensor chip to signal ready!\n");
2679}
2680
2681/* Return 0 if detection is successful, -ENODEV otherwise */
2682static int lm93_detect(struct i2c_client *client, struct i2c_board_info *info)
2683{
2684 struct i2c_adapter *adapter = client->adapter;
2685 int mfr, ver;
2686 const char *name;
2687
2688 if (!i2c_check_functionality(adapter, LM93_SMBUS_FUNC_MIN))
2689 return -ENODEV;
2690
2691 /* detection */
2692 mfr = lm93_read_byte(client, LM93_REG_MFR_ID);
2693 if (mfr != 0x01) {
2694 dev_dbg(&adapter->dev,
2695 "detect failed, bad manufacturer id 0x%02x!\n", mfr);
2696 return -ENODEV;
2697 }
2698
2699 ver = lm93_read_byte(client, LM93_REG_VER);
2700 switch (ver) {
2701 case LM93_MFR_ID:
2702 case LM93_MFR_ID_PROTOTYPE:
2703 name = "lm93";
2704 break;
2705 case LM94_MFR_ID_2:
2706 case LM94_MFR_ID:
2707 case LM94_MFR_ID_PROTOTYPE:
2708 name = "lm94";
2709 break;
2710 default:
2711 dev_dbg(&adapter->dev,
2712 "detect failed, bad version id 0x%02x!\n", ver);
2713 return -ENODEV;
2714 }
2715
2716 strlcpy(info->type, name, I2C_NAME_SIZE);
2717 dev_dbg(&adapter->dev, "loading %s at %d, 0x%02x\n",
2718 client->name, i2c_adapter_id(client->adapter),
2719 client->addr);
2720
2721 return 0;
2722}
2723
2724static int lm93_probe(struct i2c_client *client,
2725 const struct i2c_device_id *id)
2726{
2727 struct device *dev = &client->dev;
2728 struct lm93_data *data;
2729 struct device *hwmon_dev;
2730 int func;
2731 void (*update)(struct lm93_data *, struct i2c_client *);
2732
2733 /* choose update routine based on bus capabilities */
2734 func = i2c_get_functionality(client->adapter);
2735 if (((LM93_SMBUS_FUNC_FULL & func) == LM93_SMBUS_FUNC_FULL) &&
2736 (!disable_block)) {
2737 dev_dbg(dev, "using SMBus block data transactions\n");
2738 update = lm93_update_client_full;
2739 } else if ((LM93_SMBUS_FUNC_MIN & func) == LM93_SMBUS_FUNC_MIN) {
2740 dev_dbg(dev, "disabled SMBus block data transactions\n");
2741 update = lm93_update_client_min;
2742 } else {
2743 dev_dbg(dev, "detect failed, smbus byte and/or word data not supported!\n");
2744 return -ENODEV;
2745 }
2746
2747 data = devm_kzalloc(dev, sizeof(struct lm93_data), GFP_KERNEL);
2748 if (!data)
2749 return -ENOMEM;
2750
2751 /* housekeeping */
2752 data->client = client;
2753 data->update = update;
2754 mutex_init(&data->update_lock);
2755
2756 /* initialize the chip */
2757 lm93_init_client(client);
2758
2759 hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
2760 data,
2761 lm93_groups);
2762 return PTR_ERR_OR_ZERO(hwmon_dev);
2763}
2764
2765static const struct i2c_device_id lm93_id[] = {
2766 { "lm93", 0 },
2767 { "lm94", 0 },
2768 { }
2769};
2770MODULE_DEVICE_TABLE(i2c, lm93_id);
2771
2772static struct i2c_driver lm93_driver = {
2773 .class = I2C_CLASS_HWMON,
2774 .driver = {
2775 .name = "lm93",
2776 },
2777 .probe = lm93_probe,
2778 .id_table = lm93_id,
2779 .detect = lm93_detect,
2780 .address_list = normal_i2c,
2781};
2782
2783module_i2c_driver(lm93_driver);
2784
2785MODULE_AUTHOR("Mark M. Hoffman <mhoffman@lightlink.com>, "
2786 "Hans J. Koch <hjk@hansjkoch.de>");
2787MODULE_DESCRIPTION("LM93 driver");
2788MODULE_LICENSE("GPL");