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e46957ed HJK |
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@linutronix.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 | /* SMBus capabilities */ | |
139 | #define LM93_SMBUS_FUNC_FULL (I2C_FUNC_SMBUS_BYTE_DATA | \ | |
140 | I2C_FUNC_SMBUS_WORD_DATA | I2C_FUNC_SMBUS_BLOCK_DATA) | |
141 | #define LM93_SMBUS_FUNC_MIN (I2C_FUNC_SMBUS_BYTE_DATA | \ | |
142 | I2C_FUNC_SMBUS_WORD_DATA) | |
143 | ||
144 | /* Addresses to scan */ | |
25e9c86d | 145 | static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; |
e46957ed HJK |
146 | |
147 | /* Insmod parameters */ | |
e46957ed HJK |
148 | |
149 | static int disable_block; | |
150 | module_param(disable_block, bool, 0); | |
151 | MODULE_PARM_DESC(disable_block, | |
152 | "Set to non-zero to disable SMBus block data transactions."); | |
153 | ||
154 | static int init; | |
155 | module_param(init, bool, 0); | |
156 | MODULE_PARM_DESC(init, "Set to non-zero to force chip initialization."); | |
157 | ||
158 | static int vccp_limit_type[2] = {0,0}; | |
159 | module_param_array(vccp_limit_type, int, NULL, 0); | |
160 | MODULE_PARM_DESC(vccp_limit_type, "Configures in7 and in8 limit modes."); | |
161 | ||
162 | static int vid_agtl; | |
163 | module_param(vid_agtl, int, 0); | |
164 | MODULE_PARM_DESC(vid_agtl, "Configures VID pin input thresholds."); | |
165 | ||
166 | /* Driver data */ | |
167 | static struct i2c_driver lm93_driver; | |
168 | ||
169 | /* LM93 BLOCK READ COMMANDS */ | |
170 | static const struct { u8 cmd; u8 len; } lm93_block_read_cmds[12] = { | |
171 | { 0xf2, 8 }, | |
172 | { 0xf3, 8 }, | |
173 | { 0xf4, 6 }, | |
174 | { 0xf5, 16 }, | |
175 | { 0xf6, 4 }, | |
176 | { 0xf7, 8 }, | |
177 | { 0xf8, 12 }, | |
178 | { 0xf9, 32 }, | |
179 | { 0xfa, 8 }, | |
180 | { 0xfb, 8 }, | |
181 | { 0xfc, 16 }, | |
182 | { 0xfd, 9 }, | |
183 | }; | |
184 | ||
185 | /* ALARMS: SYSCTL format described further below | |
186 | REG: 64 bits in 8 registers, as immediately below */ | |
187 | struct block1_t { | |
188 | u8 host_status_1; | |
189 | u8 host_status_2; | |
190 | u8 host_status_3; | |
191 | u8 host_status_4; | |
192 | u8 p1_prochot_status; | |
193 | u8 p2_prochot_status; | |
194 | u8 gpi_status; | |
195 | u8 fan_status; | |
196 | }; | |
197 | ||
198 | /* | |
199 | * Client-specific data | |
200 | */ | |
201 | struct lm93_data { | |
1beeffe4 | 202 | struct device *hwmon_dev; |
e46957ed HJK |
203 | |
204 | struct mutex update_lock; | |
205 | unsigned long last_updated; /* In jiffies */ | |
206 | ||
207 | /* client update function */ | |
208 | void (*update)(struct lm93_data *, struct i2c_client *); | |
209 | ||
210 | char valid; /* !=0 if following fields are valid */ | |
211 | ||
212 | /* register values, arranged by block read groups */ | |
213 | struct block1_t block1; | |
214 | ||
215 | /* temp1 - temp4: unfiltered readings | |
216 | temp1 - temp2: filtered readings */ | |
217 | u8 block2[6]; | |
218 | ||
219 | /* vin1 - vin16: readings */ | |
220 | u8 block3[16]; | |
221 | ||
222 | /* prochot1 - prochot2: readings */ | |
223 | struct { | |
224 | u8 cur; | |
225 | u8 avg; | |
226 | } block4[2]; | |
227 | ||
228 | /* fan counts 1-4 => 14-bits, LE, *left* justified */ | |
229 | u16 block5[4]; | |
230 | ||
231 | /* block6 has a lot of data we don't need */ | |
232 | struct { | |
233 | u8 min; | |
234 | u8 max; | |
f08a3487 | 235 | } temp_lim[4]; |
e46957ed HJK |
236 | |
237 | /* vin1 - vin16: low and high limits */ | |
238 | struct { | |
239 | u8 min; | |
240 | u8 max; | |
241 | } block7[16]; | |
242 | ||
243 | /* fan count limits 1-4 => same format as block5 */ | |
244 | u16 block8[4]; | |
245 | ||
246 | /* pwm control registers (2 pwms, 4 regs) */ | |
247 | u8 block9[2][4]; | |
248 | ||
249 | /* auto/pwm base temp and offset temp registers */ | |
250 | struct { | |
251 | u8 base[4]; | |
252 | u8 offset[12]; | |
253 | } block10; | |
254 | ||
255 | /* master config register */ | |
256 | u8 config; | |
257 | ||
258 | /* VID1 & VID2 => register format, 6-bits, right justified */ | |
259 | u8 vid[2]; | |
260 | ||
261 | /* prochot1 - prochot2: limits */ | |
262 | u8 prochot_max[2]; | |
263 | ||
264 | /* vccp1 & vccp2 (in7 & in8): VID relative limits (register format) */ | |
265 | u8 vccp_limits[2]; | |
266 | ||
267 | /* GPIO input state (register format, i.e. inverted) */ | |
268 | u8 gpi; | |
269 | ||
270 | /* #PROCHOT override (register format) */ | |
271 | u8 prochot_override; | |
272 | ||
273 | /* #PROCHOT intervals (register format) */ | |
274 | u8 prochot_interval; | |
275 | ||
276 | /* Fan Boost Temperatures (register format) */ | |
277 | u8 boost[4]; | |
278 | ||
279 | /* Fan Boost Hysteresis (register format) */ | |
280 | u8 boost_hyst[2]; | |
281 | ||
282 | /* Temperature Zone Min. PWM & Hysteresis (register format) */ | |
283 | u8 auto_pwm_min_hyst[2]; | |
284 | ||
285 | /* #PROCHOT & #VRDHOT PWM Ramp Control */ | |
286 | u8 pwm_ramp_ctl; | |
287 | ||
288 | /* miscellaneous setup regs */ | |
289 | u8 sfc1; | |
290 | u8 sfc2; | |
291 | u8 sf_tach_to_pwm; | |
292 | ||
293 | /* The two PWM CTL2 registers can read something other than what was | |
294 | last written for the OVR_DC field (duty cycle override). So, we | |
295 | save the user-commanded value here. */ | |
296 | u8 pwm_override[2]; | |
297 | }; | |
298 | ||
299 | /* VID: mV | |
300 | REG: 6-bits, right justified, *always* using Intel VRM/VRD 10 */ | |
301 | static int LM93_VID_FROM_REG(u8 reg) | |
302 | { | |
303 | return vid_from_reg((reg & 0x3f), 100); | |
304 | } | |
305 | ||
306 | /* min, max, and nominal register values, per channel (u8) */ | |
307 | static const u8 lm93_vin_reg_min[16] = { | |
308 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
309 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xae, | |
310 | }; | |
311 | static const u8 lm93_vin_reg_max[16] = { | |
312 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, | |
313 | 0xff, 0xfa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xd1, | |
314 | }; | |
315 | /* Values from the datasheet. They're here for documentation only. | |
316 | static const u8 lm93_vin_reg_nom[16] = { | |
317 | 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, | |
318 | 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x40, 0xc0, | |
319 | }; | |
320 | */ | |
321 | ||
322 | /* min, max, and nominal voltage readings, per channel (mV)*/ | |
323 | static const unsigned long lm93_vin_val_min[16] = { | |
324 | 0, 0, 0, 0, 0, 0, 0, 0, | |
325 | 0, 0, 0, 0, 0, 0, 0, 3000, | |
326 | }; | |
327 | ||
328 | static const unsigned long lm93_vin_val_max[16] = { | |
329 | 1236, 1236, 1236, 1600, 2000, 2000, 1600, 1600, | |
330 | 4400, 6500, 3333, 2625, 1312, 1312, 1236, 3600, | |
331 | }; | |
332 | /* Values from the datasheet. They're here for documentation only. | |
333 | static const unsigned long lm93_vin_val_nom[16] = { | |
334 | 927, 927, 927, 1200, 1500, 1500, 1200, 1200, | |
335 | 3300, 5000, 2500, 1969, 984, 984, 309, 3300, | |
336 | }; | |
337 | */ | |
338 | ||
339 | static unsigned LM93_IN_FROM_REG(int nr, u8 reg) | |
340 | { | |
341 | const long uV_max = lm93_vin_val_max[nr] * 1000; | |
342 | const long uV_min = lm93_vin_val_min[nr] * 1000; | |
343 | ||
344 | const long slope = (uV_max - uV_min) / | |
345 | (lm93_vin_reg_max[nr] - lm93_vin_reg_min[nr]); | |
346 | const long intercept = uV_min - slope * lm93_vin_reg_min[nr]; | |
347 | ||
348 | return (slope * reg + intercept + 500) / 1000; | |
349 | } | |
350 | ||
351 | /* IN: mV, limits determined by channel nr | |
352 | REG: scaling determined by channel nr */ | |
353 | static u8 LM93_IN_TO_REG(int nr, unsigned val) | |
354 | { | |
355 | /* range limit */ | |
356 | const long mV = SENSORS_LIMIT(val, | |
357 | lm93_vin_val_min[nr], lm93_vin_val_max[nr]); | |
358 | ||
359 | /* try not to lose too much precision here */ | |
360 | const long uV = mV * 1000; | |
361 | const long uV_max = lm93_vin_val_max[nr] * 1000; | |
362 | const long uV_min = lm93_vin_val_min[nr] * 1000; | |
363 | ||
364 | /* convert */ | |
365 | const long slope = (uV_max - uV_min) / | |
366 | (lm93_vin_reg_max[nr] - lm93_vin_reg_min[nr]); | |
367 | const long intercept = uV_min - slope * lm93_vin_reg_min[nr]; | |
368 | ||
369 | u8 result = ((uV - intercept + (slope/2)) / slope); | |
370 | result = SENSORS_LIMIT(result, | |
371 | lm93_vin_reg_min[nr], lm93_vin_reg_max[nr]); | |
372 | return result; | |
373 | } | |
374 | ||
375 | /* vid in mV, upper == 0 indicates low limit, otherwise upper limit */ | |
376 | static unsigned LM93_IN_REL_FROM_REG(u8 reg, int upper, int vid) | |
377 | { | |
378 | const long uV_offset = upper ? (((reg >> 4 & 0x0f) + 1) * 12500) : | |
379 | (((reg >> 0 & 0x0f) + 1) * -25000); | |
380 | const long uV_vid = vid * 1000; | |
381 | return (uV_vid + uV_offset + 5000) / 10000; | |
382 | } | |
383 | ||
384 | #define LM93_IN_MIN_FROM_REG(reg,vid) LM93_IN_REL_FROM_REG(reg,0,vid) | |
385 | #define LM93_IN_MAX_FROM_REG(reg,vid) LM93_IN_REL_FROM_REG(reg,1,vid) | |
386 | ||
387 | /* vid in mV , upper == 0 indicates low limit, otherwise upper limit | |
388 | upper also determines which nibble of the register is returned | |
389 | (the other nibble will be 0x0) */ | |
390 | static u8 LM93_IN_REL_TO_REG(unsigned val, int upper, int vid) | |
391 | { | |
392 | long uV_offset = vid * 1000 - val * 10000; | |
393 | if (upper) { | |
394 | uV_offset = SENSORS_LIMIT(uV_offset, 12500, 200000); | |
395 | return (u8)((uV_offset / 12500 - 1) << 4); | |
396 | } else { | |
397 | uV_offset = SENSORS_LIMIT(uV_offset, -400000, -25000); | |
398 | return (u8)((uV_offset / -25000 - 1) << 0); | |
399 | } | |
400 | } | |
401 | ||
402 | /* TEMP: 1/1000 degrees C (-128C to +127C) | |
403 | REG: 1C/bit, two's complement */ | |
404 | static int LM93_TEMP_FROM_REG(u8 reg) | |
405 | { | |
406 | return (s8)reg * 1000; | |
407 | } | |
408 | ||
409 | #define LM93_TEMP_MIN (-128000) | |
410 | #define LM93_TEMP_MAX ( 127000) | |
411 | ||
412 | /* TEMP: 1/1000 degrees C (-128C to +127C) | |
413 | REG: 1C/bit, two's complement */ | |
5bfedac0 | 414 | static u8 LM93_TEMP_TO_REG(long temp) |
e46957ed HJK |
415 | { |
416 | int ntemp = SENSORS_LIMIT(temp, LM93_TEMP_MIN, LM93_TEMP_MAX); | |
417 | ntemp += (ntemp<0 ? -500 : 500); | |
418 | return (u8)(ntemp / 1000); | |
419 | } | |
420 | ||
421 | /* Determine 4-bit temperature offset resolution */ | |
422 | static int LM93_TEMP_OFFSET_MODE_FROM_REG(u8 sfc2, int nr) | |
423 | { | |
424 | /* mode: 0 => 1C/bit, nonzero => 0.5C/bit */ | |
425 | return sfc2 & (nr < 2 ? 0x10 : 0x20); | |
426 | } | |
427 | ||
428 | /* This function is common to all 4-bit temperature offsets | |
429 | reg is 4 bits right justified | |
430 | mode 0 => 1C/bit, mode !0 => 0.5C/bit */ | |
431 | static int LM93_TEMP_OFFSET_FROM_REG(u8 reg, int mode) | |
432 | { | |
433 | return (reg & 0x0f) * (mode ? 5 : 10); | |
434 | } | |
435 | ||
436 | #define LM93_TEMP_OFFSET_MIN ( 0) | |
437 | #define LM93_TEMP_OFFSET_MAX0 (150) | |
438 | #define LM93_TEMP_OFFSET_MAX1 ( 75) | |
439 | ||
440 | /* This function is common to all 4-bit temperature offsets | |
441 | returns 4 bits right justified | |
442 | mode 0 => 1C/bit, mode !0 => 0.5C/bit */ | |
443 | static u8 LM93_TEMP_OFFSET_TO_REG(int off, int mode) | |
444 | { | |
445 | int factor = mode ? 5 : 10; | |
446 | ||
447 | off = SENSORS_LIMIT(off, LM93_TEMP_OFFSET_MIN, | |
448 | mode ? LM93_TEMP_OFFSET_MAX1 : LM93_TEMP_OFFSET_MAX0); | |
449 | return (u8)((off + factor/2) / factor); | |
450 | } | |
451 | ||
452 | /* 0 <= nr <= 3 */ | |
453 | static int LM93_TEMP_AUTO_OFFSET_FROM_REG(u8 reg, int nr, int mode) | |
454 | { | |
455 | /* temp1-temp2 (nr=0,1) use lower nibble */ | |
456 | if (nr < 2) | |
457 | return LM93_TEMP_OFFSET_FROM_REG(reg & 0x0f, mode); | |
458 | ||
459 | /* temp3-temp4 (nr=2,3) use upper nibble */ | |
460 | else | |
461 | return LM93_TEMP_OFFSET_FROM_REG(reg >> 4 & 0x0f, mode); | |
462 | } | |
463 | ||
464 | /* TEMP: 1/10 degrees C (0C to +15C (mode 0) or +7.5C (mode non-zero)) | |
465 | REG: 1.0C/bit (mode 0) or 0.5C/bit (mode non-zero) | |
466 | 0 <= nr <= 3 */ | |
467 | static u8 LM93_TEMP_AUTO_OFFSET_TO_REG(u8 old, int off, int nr, int mode) | |
468 | { | |
469 | u8 new = LM93_TEMP_OFFSET_TO_REG(off, mode); | |
470 | ||
471 | /* temp1-temp2 (nr=0,1) use lower nibble */ | |
472 | if (nr < 2) | |
473 | return (old & 0xf0) | (new & 0x0f); | |
474 | ||
475 | /* temp3-temp4 (nr=2,3) use upper nibble */ | |
476 | else | |
477 | return (new << 4 & 0xf0) | (old & 0x0f); | |
478 | } | |
479 | ||
480 | static int LM93_AUTO_BOOST_HYST_FROM_REGS(struct lm93_data *data, int nr, | |
481 | int mode) | |
482 | { | |
483 | u8 reg; | |
484 | ||
485 | switch (nr) { | |
486 | case 0: | |
487 | reg = data->boost_hyst[0] & 0x0f; | |
488 | break; | |
489 | case 1: | |
490 | reg = data->boost_hyst[0] >> 4 & 0x0f; | |
491 | break; | |
492 | case 2: | |
493 | reg = data->boost_hyst[1] & 0x0f; | |
494 | break; | |
495 | case 3: | |
496 | default: | |
497 | reg = data->boost_hyst[1] >> 4 & 0x0f; | |
498 | break; | |
499 | } | |
500 | ||
501 | return LM93_TEMP_FROM_REG(data->boost[nr]) - | |
502 | LM93_TEMP_OFFSET_FROM_REG(reg, mode); | |
503 | } | |
504 | ||
505 | static u8 LM93_AUTO_BOOST_HYST_TO_REG(struct lm93_data *data, long hyst, | |
506 | int nr, int mode) | |
507 | { | |
508 | u8 reg = LM93_TEMP_OFFSET_TO_REG( | |
509 | (LM93_TEMP_FROM_REG(data->boost[nr]) - hyst), mode); | |
510 | ||
511 | switch (nr) { | |
512 | case 0: | |
513 | reg = (data->boost_hyst[0] & 0xf0) | (reg & 0x0f); | |
514 | break; | |
515 | case 1: | |
516 | reg = (reg << 4 & 0xf0) | (data->boost_hyst[0] & 0x0f); | |
517 | break; | |
518 | case 2: | |
519 | reg = (data->boost_hyst[1] & 0xf0) | (reg & 0x0f); | |
520 | break; | |
521 | case 3: | |
522 | default: | |
523 | reg = (reg << 4 & 0xf0) | (data->boost_hyst[1] & 0x0f); | |
524 | break; | |
525 | } | |
526 | ||
527 | return reg; | |
528 | } | |
529 | ||
530 | /* PWM: 0-255 per sensors documentation | |
531 | REG: 0-13 as mapped below... right justified */ | |
532 | typedef enum { LM93_PWM_MAP_HI_FREQ, LM93_PWM_MAP_LO_FREQ } pwm_freq_t; | |
533 | static int lm93_pwm_map[2][16] = { | |
534 | { | |
535 | 0x00, /* 0.00% */ 0x40, /* 25.00% */ | |
536 | 0x50, /* 31.25% */ 0x60, /* 37.50% */ | |
537 | 0x70, /* 43.75% */ 0x80, /* 50.00% */ | |
538 | 0x90, /* 56.25% */ 0xa0, /* 62.50% */ | |
539 | 0xb0, /* 68.75% */ 0xc0, /* 75.00% */ | |
540 | 0xd0, /* 81.25% */ 0xe0, /* 87.50% */ | |
541 | 0xf0, /* 93.75% */ 0xff, /* 100.00% */ | |
542 | 0xff, 0xff, /* 14, 15 are reserved and should never occur */ | |
543 | }, | |
544 | { | |
545 | 0x00, /* 0.00% */ 0x40, /* 25.00% */ | |
546 | 0x49, /* 28.57% */ 0x52, /* 32.14% */ | |
547 | 0x5b, /* 35.71% */ 0x64, /* 39.29% */ | |
548 | 0x6d, /* 42.86% */ 0x76, /* 46.43% */ | |
549 | 0x80, /* 50.00% */ 0x89, /* 53.57% */ | |
550 | 0x92, /* 57.14% */ 0xb6, /* 71.43% */ | |
551 | 0xdb, /* 85.71% */ 0xff, /* 100.00% */ | |
552 | 0xff, 0xff, /* 14, 15 are reserved and should never occur */ | |
553 | }, | |
554 | }; | |
555 | ||
556 | static int LM93_PWM_FROM_REG(u8 reg, pwm_freq_t freq) | |
557 | { | |
558 | return lm93_pwm_map[freq][reg & 0x0f]; | |
559 | } | |
560 | ||
561 | /* round up to nearest match */ | |
562 | static u8 LM93_PWM_TO_REG(int pwm, pwm_freq_t freq) | |
563 | { | |
564 | int i; | |
565 | for (i = 0; i < 13; i++) | |
566 | if (pwm <= lm93_pwm_map[freq][i]) | |
567 | break; | |
568 | ||
569 | /* can fall through with i==13 */ | |
570 | return (u8)i; | |
571 | } | |
572 | ||
573 | static int LM93_FAN_FROM_REG(u16 regs) | |
574 | { | |
575 | const u16 count = le16_to_cpu(regs) >> 2; | |
576 | return count==0 ? -1 : count==0x3fff ? 0: 1350000 / count; | |
577 | } | |
578 | ||
579 | /* | |
580 | * RPM: (82.5 to 1350000) | |
581 | * REG: 14-bits, LE, *left* justified | |
582 | */ | |
583 | static u16 LM93_FAN_TO_REG(long rpm) | |
584 | { | |
585 | u16 count, regs; | |
586 | ||
587 | if (rpm == 0) { | |
588 | count = 0x3fff; | |
589 | } else { | |
590 | rpm = SENSORS_LIMIT(rpm, 1, 1000000); | |
591 | count = SENSORS_LIMIT((1350000 + rpm) / rpm, 1, 0x3ffe); | |
592 | } | |
593 | ||
594 | regs = count << 2; | |
595 | return cpu_to_le16(regs); | |
596 | } | |
597 | ||
598 | /* PWM FREQ: HZ | |
599 | REG: 0-7 as mapped below */ | |
600 | static int lm93_pwm_freq_map[8] = { | |
601 | 22500, 96, 84, 72, 60, 48, 36, 12 | |
602 | }; | |
603 | ||
604 | static int LM93_PWM_FREQ_FROM_REG(u8 reg) | |
605 | { | |
606 | return lm93_pwm_freq_map[reg & 0x07]; | |
607 | } | |
608 | ||
609 | /* round up to nearest match */ | |
610 | static u8 LM93_PWM_FREQ_TO_REG(int freq) | |
611 | { | |
612 | int i; | |
613 | for (i = 7; i > 0; i--) | |
614 | if (freq <= lm93_pwm_freq_map[i]) | |
615 | break; | |
616 | ||
617 | /* can fall through with i==0 */ | |
618 | return (u8)i; | |
619 | } | |
620 | ||
621 | /* TIME: 1/100 seconds | |
622 | * REG: 0-7 as mapped below */ | |
623 | static int lm93_spinup_time_map[8] = { | |
624 | 0, 10, 25, 40, 70, 100, 200, 400, | |
625 | }; | |
626 | ||
627 | static int LM93_SPINUP_TIME_FROM_REG(u8 reg) | |
628 | { | |
629 | return lm93_spinup_time_map[reg >> 5 & 0x07]; | |
630 | } | |
631 | ||
632 | /* round up to nearest match */ | |
633 | static u8 LM93_SPINUP_TIME_TO_REG(int time) | |
634 | { | |
635 | int i; | |
636 | for (i = 0; i < 7; i++) | |
637 | if (time <= lm93_spinup_time_map[i]) | |
638 | break; | |
639 | ||
640 | /* can fall through with i==8 */ | |
641 | return (u8)i; | |
642 | } | |
643 | ||
644 | #define LM93_RAMP_MIN 0 | |
645 | #define LM93_RAMP_MAX 75 | |
646 | ||
647 | static int LM93_RAMP_FROM_REG(u8 reg) | |
648 | { | |
649 | return (reg & 0x0f) * 5; | |
650 | } | |
651 | ||
652 | /* RAMP: 1/100 seconds | |
653 | REG: 50mS/bit 4-bits right justified */ | |
654 | static u8 LM93_RAMP_TO_REG(int ramp) | |
655 | { | |
656 | ramp = SENSORS_LIMIT(ramp, LM93_RAMP_MIN, LM93_RAMP_MAX); | |
657 | return (u8)((ramp + 2) / 5); | |
658 | } | |
659 | ||
660 | /* PROCHOT: 0-255, 0 => 0%, 255 => > 96.6% | |
661 | * REG: (same) */ | |
662 | static u8 LM93_PROCHOT_TO_REG(long prochot) | |
663 | { | |
664 | prochot = SENSORS_LIMIT(prochot, 0, 255); | |
665 | return (u8)prochot; | |
666 | } | |
667 | ||
668 | /* PROCHOT-INTERVAL: 73 - 37200 (1/100 seconds) | |
669 | * REG: 0-9 as mapped below */ | |
670 | static int lm93_interval_map[10] = { | |
671 | 73, 146, 290, 580, 1170, 2330, 4660, 9320, 18600, 37200, | |
672 | }; | |
673 | ||
674 | static int LM93_INTERVAL_FROM_REG(u8 reg) | |
675 | { | |
676 | return lm93_interval_map[reg & 0x0f]; | |
677 | } | |
678 | ||
679 | /* round up to nearest match */ | |
680 | static u8 LM93_INTERVAL_TO_REG(long interval) | |
681 | { | |
682 | int i; | |
683 | for (i = 0; i < 9; i++) | |
684 | if (interval <= lm93_interval_map[i]) | |
685 | break; | |
686 | ||
687 | /* can fall through with i==9 */ | |
688 | return (u8)i; | |
689 | } | |
690 | ||
691 | /* GPIO: 0-255, GPIO0 is LSB | |
692 | * REG: inverted */ | |
693 | static unsigned LM93_GPI_FROM_REG(u8 reg) | |
694 | { | |
695 | return ~reg & 0xff; | |
696 | } | |
697 | ||
698 | /* alarm bitmask definitions | |
699 | The LM93 has nearly 64 bits of error status... I've pared that down to | |
700 | what I think is a useful subset in order to fit it into 32 bits. | |
701 | ||
702 | Especially note that the #VRD_HOT alarms are missing because we provide | |
703 | that information as values in another sysfs file. | |
704 | ||
705 | If libsensors is extended to support 64 bit values, this could be revisited. | |
706 | */ | |
707 | #define LM93_ALARM_IN1 0x00000001 | |
708 | #define LM93_ALARM_IN2 0x00000002 | |
709 | #define LM93_ALARM_IN3 0x00000004 | |
710 | #define LM93_ALARM_IN4 0x00000008 | |
711 | #define LM93_ALARM_IN5 0x00000010 | |
712 | #define LM93_ALARM_IN6 0x00000020 | |
713 | #define LM93_ALARM_IN7 0x00000040 | |
714 | #define LM93_ALARM_IN8 0x00000080 | |
715 | #define LM93_ALARM_IN9 0x00000100 | |
716 | #define LM93_ALARM_IN10 0x00000200 | |
717 | #define LM93_ALARM_IN11 0x00000400 | |
718 | #define LM93_ALARM_IN12 0x00000800 | |
719 | #define LM93_ALARM_IN13 0x00001000 | |
720 | #define LM93_ALARM_IN14 0x00002000 | |
721 | #define LM93_ALARM_IN15 0x00004000 | |
722 | #define LM93_ALARM_IN16 0x00008000 | |
723 | #define LM93_ALARM_FAN1 0x00010000 | |
724 | #define LM93_ALARM_FAN2 0x00020000 | |
725 | #define LM93_ALARM_FAN3 0x00040000 | |
726 | #define LM93_ALARM_FAN4 0x00080000 | |
727 | #define LM93_ALARM_PH1_ERR 0x00100000 | |
728 | #define LM93_ALARM_PH2_ERR 0x00200000 | |
729 | #define LM93_ALARM_SCSI1_ERR 0x00400000 | |
730 | #define LM93_ALARM_SCSI2_ERR 0x00800000 | |
731 | #define LM93_ALARM_DVDDP1_ERR 0x01000000 | |
732 | #define LM93_ALARM_DVDDP2_ERR 0x02000000 | |
733 | #define LM93_ALARM_D1_ERR 0x04000000 | |
734 | #define LM93_ALARM_D2_ERR 0x08000000 | |
735 | #define LM93_ALARM_TEMP1 0x10000000 | |
736 | #define LM93_ALARM_TEMP2 0x20000000 | |
737 | #define LM93_ALARM_TEMP3 0x40000000 | |
738 | ||
739 | static unsigned LM93_ALARMS_FROM_REG(struct block1_t b1) | |
740 | { | |
741 | unsigned result; | |
742 | result = b1.host_status_2 & 0x3f; | |
743 | ||
744 | if (vccp_limit_type[0]) | |
745 | result |= (b1.host_status_4 & 0x10) << 2; | |
746 | else | |
747 | result |= b1.host_status_2 & 0x40; | |
748 | ||
749 | if (vccp_limit_type[1]) | |
750 | result |= (b1.host_status_4 & 0x20) << 2; | |
751 | else | |
752 | result |= b1.host_status_2 & 0x80; | |
753 | ||
754 | result |= b1.host_status_3 << 8; | |
755 | result |= (b1.fan_status & 0x0f) << 16; | |
756 | result |= (b1.p1_prochot_status & 0x80) << 13; | |
757 | result |= (b1.p2_prochot_status & 0x80) << 14; | |
758 | result |= (b1.host_status_4 & 0xfc) << 20; | |
759 | result |= (b1.host_status_1 & 0x07) << 28; | |
760 | return result; | |
761 | } | |
762 | ||
763 | #define MAX_RETRIES 5 | |
764 | ||
765 | static u8 lm93_read_byte(struct i2c_client *client, u8 reg) | |
766 | { | |
767 | int value, i; | |
768 | ||
769 | /* retry in case of read errors */ | |
770 | for (i=1; i<=MAX_RETRIES; i++) { | |
771 | if ((value = i2c_smbus_read_byte_data(client, reg)) >= 0) { | |
772 | return value; | |
773 | } else { | |
774 | dev_warn(&client->dev,"lm93: read byte data failed, " | |
775 | "address 0x%02x.\n", reg); | |
776 | mdelay(i + 3); | |
777 | } | |
778 | ||
779 | } | |
780 | ||
781 | /* <TODO> what to return in case of error? */ | |
782 | dev_err(&client->dev,"lm93: All read byte retries failed!!\n"); | |
783 | return 0; | |
784 | } | |
785 | ||
786 | static int lm93_write_byte(struct i2c_client *client, u8 reg, u8 value) | |
787 | { | |
788 | int result; | |
789 | ||
790 | /* <TODO> how to handle write errors? */ | |
791 | result = i2c_smbus_write_byte_data(client, reg, value); | |
792 | ||
793 | if (result < 0) | |
794 | dev_warn(&client->dev,"lm93: write byte data failed, " | |
795 | "0x%02x at address 0x%02x.\n", value, reg); | |
796 | ||
797 | return result; | |
798 | } | |
799 | ||
800 | static u16 lm93_read_word(struct i2c_client *client, u8 reg) | |
801 | { | |
802 | int value, i; | |
803 | ||
804 | /* retry in case of read errors */ | |
805 | for (i=1; i<=MAX_RETRIES; i++) { | |
806 | if ((value = i2c_smbus_read_word_data(client, reg)) >= 0) { | |
807 | return value; | |
808 | } else { | |
809 | dev_warn(&client->dev,"lm93: read word data failed, " | |
810 | "address 0x%02x.\n", reg); | |
811 | mdelay(i + 3); | |
812 | } | |
813 | ||
814 | } | |
815 | ||
816 | /* <TODO> what to return in case of error? */ | |
817 | dev_err(&client->dev,"lm93: All read word retries failed!!\n"); | |
818 | return 0; | |
819 | } | |
820 | ||
821 | static int lm93_write_word(struct i2c_client *client, u8 reg, u16 value) | |
822 | { | |
823 | int result; | |
824 | ||
825 | /* <TODO> how to handle write errors? */ | |
826 | result = i2c_smbus_write_word_data(client, reg, value); | |
827 | ||
828 | if (result < 0) | |
829 | dev_warn(&client->dev,"lm93: write word data failed, " | |
830 | "0x%04x at address 0x%02x.\n", value, reg); | |
831 | ||
832 | return result; | |
833 | } | |
834 | ||
835 | static u8 lm93_block_buffer[I2C_SMBUS_BLOCK_MAX]; | |
836 | ||
837 | /* | |
838 | read block data into values, retry if not expected length | |
839 | fbn => index to lm93_block_read_cmds table | |
840 | (Fixed Block Number - section 14.5.2 of LM93 datasheet) | |
841 | */ | |
842 | static void lm93_read_block(struct i2c_client *client, u8 fbn, u8 *values) | |
843 | { | |
844 | int i, result=0; | |
845 | ||
846 | for (i = 1; i <= MAX_RETRIES; i++) { | |
847 | result = i2c_smbus_read_block_data(client, | |
848 | lm93_block_read_cmds[fbn].cmd, lm93_block_buffer); | |
849 | ||
850 | if (result == lm93_block_read_cmds[fbn].len) { | |
851 | break; | |
852 | } else { | |
853 | dev_warn(&client->dev,"lm93: block read data failed, " | |
854 | "command 0x%02x.\n", | |
855 | lm93_block_read_cmds[fbn].cmd); | |
856 | mdelay(i + 3); | |
857 | } | |
858 | } | |
859 | ||
860 | if (result == lm93_block_read_cmds[fbn].len) { | |
861 | memcpy(values,lm93_block_buffer,lm93_block_read_cmds[fbn].len); | |
862 | } else { | |
863 | /* <TODO> what to do in case of error? */ | |
864 | } | |
865 | } | |
866 | ||
867 | static struct lm93_data *lm93_update_device(struct device *dev) | |
868 | { | |
869 | struct i2c_client *client = to_i2c_client(dev); | |
870 | struct lm93_data *data = i2c_get_clientdata(client); | |
871 | const unsigned long interval = HZ + (HZ / 2); | |
872 | ||
873 | mutex_lock(&data->update_lock); | |
874 | ||
875 | if (time_after(jiffies, data->last_updated + interval) || | |
876 | !data->valid) { | |
877 | ||
878 | data->update(data, client); | |
879 | data->last_updated = jiffies; | |
880 | data->valid = 1; | |
881 | } | |
882 | ||
883 | mutex_unlock(&data->update_lock); | |
884 | return data; | |
885 | } | |
886 | ||
887 | /* update routine for data that has no corresponding SMBus block command */ | |
888 | static void lm93_update_client_common(struct lm93_data *data, | |
889 | struct i2c_client *client) | |
890 | { | |
891 | int i; | |
892 | u8 *ptr; | |
893 | ||
894 | /* temp1 - temp4: limits */ | |
895 | for (i = 0; i < 4; i++) { | |
896 | data->temp_lim[i].min = | |
897 | lm93_read_byte(client, LM93_REG_TEMP_MIN(i)); | |
898 | data->temp_lim[i].max = | |
899 | lm93_read_byte(client, LM93_REG_TEMP_MAX(i)); | |
900 | } | |
901 | ||
902 | /* config register */ | |
903 | data->config = lm93_read_byte(client, LM93_REG_CONFIG); | |
904 | ||
905 | /* vid1 - vid2: values */ | |
906 | for (i = 0; i < 2; i++) | |
907 | data->vid[i] = lm93_read_byte(client, LM93_REG_VID(i)); | |
908 | ||
909 | /* prochot1 - prochot2: limits */ | |
910 | for (i = 0; i < 2; i++) | |
911 | data->prochot_max[i] = lm93_read_byte(client, | |
912 | LM93_REG_PROCHOT_MAX(i)); | |
913 | ||
914 | /* vccp1 - vccp2: VID relative limits */ | |
915 | for (i = 0; i < 2; i++) | |
916 | data->vccp_limits[i] = lm93_read_byte(client, | |
917 | LM93_REG_VCCP_LIMIT_OFF(i)); | |
918 | ||
919 | /* GPIO input state */ | |
920 | data->gpi = lm93_read_byte(client, LM93_REG_GPI); | |
921 | ||
922 | /* #PROCHOT override state */ | |
923 | data->prochot_override = lm93_read_byte(client, | |
924 | LM93_REG_PROCHOT_OVERRIDE); | |
925 | ||
926 | /* #PROCHOT intervals */ | |
927 | data->prochot_interval = lm93_read_byte(client, | |
928 | LM93_REG_PROCHOT_INTERVAL); | |
929 | ||
af901ca1 | 930 | /* Fan Boost Temperature registers */ |
e46957ed HJK |
931 | for (i = 0; i < 4; i++) |
932 | data->boost[i] = lm93_read_byte(client, LM93_REG_BOOST(i)); | |
933 | ||
934 | /* Fan Boost Temperature Hyst. registers */ | |
935 | data->boost_hyst[0] = lm93_read_byte(client, LM93_REG_BOOST_HYST_12); | |
936 | data->boost_hyst[1] = lm93_read_byte(client, LM93_REG_BOOST_HYST_34); | |
937 | ||
938 | /* Temperature Zone Min. PWM & Hysteresis registers */ | |
939 | data->auto_pwm_min_hyst[0] = | |
940 | lm93_read_byte(client, LM93_REG_PWM_MIN_HYST_12); | |
941 | data->auto_pwm_min_hyst[1] = | |
942 | lm93_read_byte(client, LM93_REG_PWM_MIN_HYST_34); | |
943 | ||
944 | /* #PROCHOT & #VRDHOT PWM Ramp Control register */ | |
945 | data->pwm_ramp_ctl = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL); | |
946 | ||
947 | /* misc setup registers */ | |
948 | data->sfc1 = lm93_read_byte(client, LM93_REG_SFC1); | |
949 | data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); | |
950 | data->sf_tach_to_pwm = lm93_read_byte(client, | |
951 | LM93_REG_SF_TACH_TO_PWM); | |
952 | ||
953 | /* write back alarm values to clear */ | |
954 | for (i = 0, ptr = (u8 *)(&data->block1); i < 8; i++) | |
955 | lm93_write_byte(client, LM93_REG_HOST_ERROR_1 + i, *(ptr + i)); | |
956 | } | |
957 | ||
958 | /* update routine which uses SMBus block data commands */ | |
959 | static void lm93_update_client_full(struct lm93_data *data, | |
960 | struct i2c_client *client) | |
961 | { | |
962 | dev_dbg(&client->dev,"starting device update (block data enabled)\n"); | |
963 | ||
964 | /* in1 - in16: values & limits */ | |
965 | lm93_read_block(client, 3, (u8 *)(data->block3)); | |
966 | lm93_read_block(client, 7, (u8 *)(data->block7)); | |
967 | ||
968 | /* temp1 - temp4: values */ | |
969 | lm93_read_block(client, 2, (u8 *)(data->block2)); | |
970 | ||
971 | /* prochot1 - prochot2: values */ | |
972 | lm93_read_block(client, 4, (u8 *)(data->block4)); | |
973 | ||
974 | /* fan1 - fan4: values & limits */ | |
975 | lm93_read_block(client, 5, (u8 *)(data->block5)); | |
976 | lm93_read_block(client, 8, (u8 *)(data->block8)); | |
977 | ||
978 | /* pmw control registers */ | |
979 | lm93_read_block(client, 9, (u8 *)(data->block9)); | |
980 | ||
981 | /* alarm values */ | |
982 | lm93_read_block(client, 1, (u8 *)(&data->block1)); | |
983 | ||
984 | /* auto/pwm registers */ | |
985 | lm93_read_block(client, 10, (u8 *)(&data->block10)); | |
986 | ||
987 | lm93_update_client_common(data, client); | |
988 | } | |
989 | ||
990 | /* update routine which uses SMBus byte/word data commands only */ | |
991 | static void lm93_update_client_min(struct lm93_data *data, | |
992 | struct i2c_client *client) | |
993 | { | |
994 | int i,j; | |
995 | u8 *ptr; | |
996 | ||
997 | dev_dbg(&client->dev,"starting device update (block data disabled)\n"); | |
998 | ||
999 | /* in1 - in16: values & limits */ | |
1000 | for (i = 0; i < 16; i++) { | |
1001 | data->block3[i] = | |
1002 | lm93_read_byte(client, LM93_REG_IN(i)); | |
1003 | data->block7[i].min = | |
1004 | lm93_read_byte(client, LM93_REG_IN_MIN(i)); | |
1005 | data->block7[i].max = | |
1006 | lm93_read_byte(client, LM93_REG_IN_MAX(i)); | |
1007 | } | |
1008 | ||
1009 | /* temp1 - temp4: values */ | |
1010 | for (i = 0; i < 4; i++) { | |
1011 | data->block2[i] = | |
1012 | lm93_read_byte(client, LM93_REG_TEMP(i)); | |
1013 | } | |
1014 | ||
1015 | /* prochot1 - prochot2: values */ | |
1016 | for (i = 0; i < 2; i++) { | |
1017 | data->block4[i].cur = | |
1018 | lm93_read_byte(client, LM93_REG_PROCHOT_CUR(i)); | |
1019 | data->block4[i].avg = | |
1020 | lm93_read_byte(client, LM93_REG_PROCHOT_AVG(i)); | |
1021 | } | |
1022 | ||
1023 | /* fan1 - fan4: values & limits */ | |
1024 | for (i = 0; i < 4; i++) { | |
1025 | data->block5[i] = | |
1026 | lm93_read_word(client, LM93_REG_FAN(i)); | |
1027 | data->block8[i] = | |
1028 | lm93_read_word(client, LM93_REG_FAN_MIN(i)); | |
1029 | } | |
1030 | ||
1031 | /* pwm control registers */ | |
1032 | for (i = 0; i < 2; i++) { | |
1033 | for (j = 0; j < 4; j++) { | |
1034 | data->block9[i][j] = | |
1035 | lm93_read_byte(client, LM93_REG_PWM_CTL(i,j)); | |
1036 | } | |
1037 | } | |
1038 | ||
1039 | /* alarm values */ | |
1040 | for (i = 0, ptr = (u8 *)(&data->block1); i < 8; i++) { | |
1041 | *(ptr + i) = | |
1042 | lm93_read_byte(client, LM93_REG_HOST_ERROR_1 + i); | |
1043 | } | |
1044 | ||
1045 | /* auto/pwm (base temp) registers */ | |
1046 | for (i = 0; i < 4; i++) { | |
1047 | data->block10.base[i] = | |
1048 | lm93_read_byte(client, LM93_REG_TEMP_BASE(i)); | |
1049 | } | |
1050 | ||
1051 | /* auto/pwm (offset temp) registers */ | |
1052 | for (i = 0; i < 12; i++) { | |
1053 | data->block10.offset[i] = | |
1054 | lm93_read_byte(client, LM93_REG_TEMP_OFFSET(i)); | |
1055 | } | |
1056 | ||
1057 | lm93_update_client_common(data, client); | |
1058 | } | |
1059 | ||
1060 | /* following are the sysfs callback functions */ | |
1061 | static ssize_t show_in(struct device *dev, struct device_attribute *attr, | |
1062 | char *buf) | |
1063 | { | |
1064 | int nr = (to_sensor_dev_attr(attr))->index; | |
1065 | ||
1066 | struct lm93_data *data = lm93_update_device(dev); | |
1067 | return sprintf(buf, "%d\n", LM93_IN_FROM_REG(nr, data->block3[nr])); | |
1068 | } | |
1069 | ||
1070 | static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 0); | |
1071 | static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 1); | |
1072 | static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 2); | |
1073 | static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 3); | |
1074 | static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 4); | |
1075 | static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 5); | |
1076 | static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 6); | |
1077 | static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 7); | |
1078 | static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_in, NULL, 8); | |
1079 | static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_in, NULL, 9); | |
1080 | static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, show_in, NULL, 10); | |
1081 | static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, show_in, NULL, 11); | |
1082 | static SENSOR_DEVICE_ATTR(in13_input, S_IRUGO, show_in, NULL, 12); | |
1083 | static SENSOR_DEVICE_ATTR(in14_input, S_IRUGO, show_in, NULL, 13); | |
1084 | static SENSOR_DEVICE_ATTR(in15_input, S_IRUGO, show_in, NULL, 14); | |
1085 | static SENSOR_DEVICE_ATTR(in16_input, S_IRUGO, show_in, NULL, 15); | |
1086 | ||
1087 | static ssize_t show_in_min(struct device *dev, | |
1088 | struct device_attribute *attr, char *buf) | |
1089 | { | |
1090 | int nr = (to_sensor_dev_attr(attr))->index; | |
1091 | struct lm93_data *data = lm93_update_device(dev); | |
1092 | int vccp = nr - 6; | |
1093 | long rc, vid; | |
1094 | ||
1095 | if ((nr==6 || nr==7) && (vccp_limit_type[vccp])) { | |
1096 | vid = LM93_VID_FROM_REG(data->vid[vccp]); | |
1097 | rc = LM93_IN_MIN_FROM_REG(data->vccp_limits[vccp], vid); | |
1098 | } | |
1099 | else { | |
1100 | rc = LM93_IN_FROM_REG(nr, data->block7[nr].min); \ | |
1101 | } | |
1102 | return sprintf(buf, "%ld\n", rc); \ | |
1103 | } | |
1104 | ||
1105 | static ssize_t store_in_min(struct device *dev, struct device_attribute *attr, | |
1106 | const char *buf, size_t count) | |
1107 | { | |
1108 | int nr = (to_sensor_dev_attr(attr))->index; | |
1109 | struct i2c_client *client = to_i2c_client(dev); | |
1110 | struct lm93_data *data = i2c_get_clientdata(client); | |
1111 | u32 val = simple_strtoul(buf, NULL, 10); | |
1112 | int vccp = nr - 6; | |
1113 | long vid; | |
1114 | ||
1115 | mutex_lock(&data->update_lock); | |
1116 | if ((nr==6 || nr==7) && (vccp_limit_type[vccp])) { | |
1117 | vid = LM93_VID_FROM_REG(data->vid[vccp]); | |
1118 | data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0xf0) | | |
1119 | LM93_IN_REL_TO_REG(val, 0, vid); | |
1120 | lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp), | |
1121 | data->vccp_limits[vccp]); | |
1122 | } | |
1123 | else { | |
1124 | data->block7[nr].min = LM93_IN_TO_REG(nr,val); | |
1125 | lm93_write_byte(client, LM93_REG_IN_MIN(nr), | |
1126 | data->block7[nr].min); | |
1127 | } | |
1128 | mutex_unlock(&data->update_lock); | |
1129 | return count; | |
1130 | } | |
1131 | ||
1132 | static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO, | |
1133 | show_in_min, store_in_min, 0); | |
1134 | static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO, | |
1135 | show_in_min, store_in_min, 1); | |
1136 | static SENSOR_DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO, | |
1137 | show_in_min, store_in_min, 2); | |
1138 | static SENSOR_DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO, | |
1139 | show_in_min, store_in_min, 3); | |
1140 | static SENSOR_DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO, | |
1141 | show_in_min, store_in_min, 4); | |
1142 | static SENSOR_DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO, | |
1143 | show_in_min, store_in_min, 5); | |
1144 | static SENSOR_DEVICE_ATTR(in7_min, S_IWUSR | S_IRUGO, | |
1145 | show_in_min, store_in_min, 6); | |
1146 | static SENSOR_DEVICE_ATTR(in8_min, S_IWUSR | S_IRUGO, | |
1147 | show_in_min, store_in_min, 7); | |
1148 | static SENSOR_DEVICE_ATTR(in9_min, S_IWUSR | S_IRUGO, | |
1149 | show_in_min, store_in_min, 8); | |
1150 | static SENSOR_DEVICE_ATTR(in10_min, S_IWUSR | S_IRUGO, | |
1151 | show_in_min, store_in_min, 9); | |
1152 | static SENSOR_DEVICE_ATTR(in11_min, S_IWUSR | S_IRUGO, | |
1153 | show_in_min, store_in_min, 10); | |
1154 | static SENSOR_DEVICE_ATTR(in12_min, S_IWUSR | S_IRUGO, | |
1155 | show_in_min, store_in_min, 11); | |
1156 | static SENSOR_DEVICE_ATTR(in13_min, S_IWUSR | S_IRUGO, | |
1157 | show_in_min, store_in_min, 12); | |
1158 | static SENSOR_DEVICE_ATTR(in14_min, S_IWUSR | S_IRUGO, | |
1159 | show_in_min, store_in_min, 13); | |
1160 | static SENSOR_DEVICE_ATTR(in15_min, S_IWUSR | S_IRUGO, | |
1161 | show_in_min, store_in_min, 14); | |
1162 | static SENSOR_DEVICE_ATTR(in16_min, S_IWUSR | S_IRUGO, | |
1163 | show_in_min, store_in_min, 15); | |
1164 | ||
1165 | static ssize_t show_in_max(struct device *dev, | |
1166 | struct device_attribute *attr, char *buf) | |
1167 | { | |
1168 | int nr = (to_sensor_dev_attr(attr))->index; | |
1169 | struct lm93_data *data = lm93_update_device(dev); | |
1170 | int vccp = nr - 6; | |
1171 | long rc, vid; | |
1172 | ||
1173 | if ((nr==6 || nr==7) && (vccp_limit_type[vccp])) { | |
1174 | vid = LM93_VID_FROM_REG(data->vid[vccp]); | |
1175 | rc = LM93_IN_MAX_FROM_REG(data->vccp_limits[vccp],vid); | |
1176 | } | |
1177 | else { | |
1178 | rc = LM93_IN_FROM_REG(nr,data->block7[nr].max); \ | |
1179 | } | |
1180 | return sprintf(buf,"%ld\n",rc); \ | |
1181 | } | |
1182 | ||
1183 | static ssize_t store_in_max(struct device *dev, struct device_attribute *attr, | |
1184 | const char *buf, size_t count) | |
1185 | { | |
1186 | int nr = (to_sensor_dev_attr(attr))->index; | |
1187 | struct i2c_client *client = to_i2c_client(dev); | |
1188 | struct lm93_data *data = i2c_get_clientdata(client); | |
1189 | u32 val = simple_strtoul(buf, NULL, 10); | |
1190 | int vccp = nr - 6; | |
1191 | long vid; | |
1192 | ||
1193 | mutex_lock(&data->update_lock); | |
1194 | if ((nr==6 || nr==7) && (vccp_limit_type[vccp])) { | |
1195 | vid = LM93_VID_FROM_REG(data->vid[vccp]); | |
1196 | data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0x0f) | | |
1197 | LM93_IN_REL_TO_REG(val, 1, vid); | |
1198 | lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp), | |
1199 | data->vccp_limits[vccp]); | |
1200 | } | |
1201 | else { | |
1202 | data->block7[nr].max = LM93_IN_TO_REG(nr,val); | |
1203 | lm93_write_byte(client, LM93_REG_IN_MAX(nr), | |
1204 | data->block7[nr].max); | |
1205 | } | |
1206 | mutex_unlock(&data->update_lock); | |
1207 | return count; | |
1208 | } | |
1209 | ||
1210 | static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO, | |
1211 | show_in_max, store_in_max, 0); | |
1212 | static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO, | |
1213 | show_in_max, store_in_max, 1); | |
1214 | static SENSOR_DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO, | |
1215 | show_in_max, store_in_max, 2); | |
1216 | static SENSOR_DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO, | |
1217 | show_in_max, store_in_max, 3); | |
1218 | static SENSOR_DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO, | |
1219 | show_in_max, store_in_max, 4); | |
1220 | static SENSOR_DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO, | |
1221 | show_in_max, store_in_max, 5); | |
1222 | static SENSOR_DEVICE_ATTR(in7_max, S_IWUSR | S_IRUGO, | |
1223 | show_in_max, store_in_max, 6); | |
1224 | static SENSOR_DEVICE_ATTR(in8_max, S_IWUSR | S_IRUGO, | |
1225 | show_in_max, store_in_max, 7); | |
1226 | static SENSOR_DEVICE_ATTR(in9_max, S_IWUSR | S_IRUGO, | |
1227 | show_in_max, store_in_max, 8); | |
1228 | static SENSOR_DEVICE_ATTR(in10_max, S_IWUSR | S_IRUGO, | |
1229 | show_in_max, store_in_max, 9); | |
1230 | static SENSOR_DEVICE_ATTR(in11_max, S_IWUSR | S_IRUGO, | |
1231 | show_in_max, store_in_max, 10); | |
1232 | static SENSOR_DEVICE_ATTR(in12_max, S_IWUSR | S_IRUGO, | |
1233 | show_in_max, store_in_max, 11); | |
1234 | static SENSOR_DEVICE_ATTR(in13_max, S_IWUSR | S_IRUGO, | |
1235 | show_in_max, store_in_max, 12); | |
1236 | static SENSOR_DEVICE_ATTR(in14_max, S_IWUSR | S_IRUGO, | |
1237 | show_in_max, store_in_max, 13); | |
1238 | static SENSOR_DEVICE_ATTR(in15_max, S_IWUSR | S_IRUGO, | |
1239 | show_in_max, store_in_max, 14); | |
1240 | static SENSOR_DEVICE_ATTR(in16_max, S_IWUSR | S_IRUGO, | |
1241 | show_in_max, store_in_max, 15); | |
1242 | ||
1243 | static ssize_t show_temp(struct device *dev, | |
1244 | struct device_attribute *attr, char *buf) | |
1245 | { | |
1246 | int nr = (to_sensor_dev_attr(attr))->index; | |
1247 | struct lm93_data *data = lm93_update_device(dev); | |
1248 | return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->block2[nr])); | |
1249 | } | |
1250 | ||
1251 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); | |
1252 | static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1); | |
1253 | static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2); | |
1254 | ||
1255 | static ssize_t show_temp_min(struct device *dev, | |
1256 | struct device_attribute *attr, char *buf) | |
1257 | { | |
1258 | int nr = (to_sensor_dev_attr(attr))->index; | |
1259 | struct lm93_data *data = lm93_update_device(dev); | |
1260 | return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->temp_lim[nr].min)); | |
1261 | } | |
1262 | ||
1263 | static ssize_t store_temp_min(struct device *dev, struct device_attribute *attr, | |
1264 | const char *buf, size_t count) | |
1265 | { | |
1266 | int nr = (to_sensor_dev_attr(attr))->index; | |
1267 | struct i2c_client *client = to_i2c_client(dev); | |
1268 | struct lm93_data *data = i2c_get_clientdata(client); | |
5bfedac0 | 1269 | long val = simple_strtol(buf, NULL, 10); |
e46957ed HJK |
1270 | |
1271 | mutex_lock(&data->update_lock); | |
1272 | data->temp_lim[nr].min = LM93_TEMP_TO_REG(val); | |
1273 | lm93_write_byte(client, LM93_REG_TEMP_MIN(nr), data->temp_lim[nr].min); | |
1274 | mutex_unlock(&data->update_lock); | |
1275 | return count; | |
1276 | } | |
1277 | ||
1278 | static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, | |
1279 | show_temp_min, store_temp_min, 0); | |
1280 | static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, | |
1281 | show_temp_min, store_temp_min, 1); | |
1282 | static SENSOR_DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO, | |
1283 | show_temp_min, store_temp_min, 2); | |
1284 | ||
1285 | static ssize_t show_temp_max(struct device *dev, | |
1286 | struct device_attribute *attr, char *buf) | |
1287 | { | |
1288 | int nr = (to_sensor_dev_attr(attr))->index; | |
1289 | struct lm93_data *data = lm93_update_device(dev); | |
1290 | return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->temp_lim[nr].max)); | |
1291 | } | |
1292 | ||
1293 | static ssize_t store_temp_max(struct device *dev, struct device_attribute *attr, | |
1294 | const char *buf, size_t count) | |
1295 | { | |
1296 | int nr = (to_sensor_dev_attr(attr))->index; | |
1297 | struct i2c_client *client = to_i2c_client(dev); | |
1298 | struct lm93_data *data = i2c_get_clientdata(client); | |
5bfedac0 | 1299 | long val = simple_strtol(buf, NULL, 10); |
e46957ed HJK |
1300 | |
1301 | mutex_lock(&data->update_lock); | |
1302 | data->temp_lim[nr].max = LM93_TEMP_TO_REG(val); | |
1303 | lm93_write_byte(client, LM93_REG_TEMP_MAX(nr), data->temp_lim[nr].max); | |
1304 | mutex_unlock(&data->update_lock); | |
1305 | return count; | |
1306 | } | |
1307 | ||
1308 | static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, | |
1309 | show_temp_max, store_temp_max, 0); | |
1310 | static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, | |
1311 | show_temp_max, store_temp_max, 1); | |
1312 | static SENSOR_DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, | |
1313 | show_temp_max, store_temp_max, 2); | |
1314 | ||
1315 | static ssize_t show_temp_auto_base(struct device *dev, | |
1316 | struct device_attribute *attr, char *buf) | |
1317 | { | |
1318 | int nr = (to_sensor_dev_attr(attr))->index; | |
1319 | struct lm93_data *data = lm93_update_device(dev); | |
1320 | return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->block10.base[nr])); | |
1321 | } | |
1322 | ||
1323 | static ssize_t store_temp_auto_base(struct device *dev, | |
1324 | struct device_attribute *attr, | |
1325 | const char *buf, size_t count) | |
1326 | { | |
1327 | int nr = (to_sensor_dev_attr(attr))->index; | |
1328 | struct i2c_client *client = to_i2c_client(dev); | |
1329 | struct lm93_data *data = i2c_get_clientdata(client); | |
5bfedac0 | 1330 | long val = simple_strtol(buf, NULL, 10); |
e46957ed HJK |
1331 | |
1332 | mutex_lock(&data->update_lock); | |
1333 | data->block10.base[nr] = LM93_TEMP_TO_REG(val); | |
1334 | lm93_write_byte(client, LM93_REG_TEMP_BASE(nr), data->block10.base[nr]); | |
1335 | mutex_unlock(&data->update_lock); | |
1336 | return count; | |
1337 | } | |
1338 | ||
1339 | static SENSOR_DEVICE_ATTR(temp1_auto_base, S_IWUSR | S_IRUGO, | |
1340 | show_temp_auto_base, store_temp_auto_base, 0); | |
1341 | static SENSOR_DEVICE_ATTR(temp2_auto_base, S_IWUSR | S_IRUGO, | |
1342 | show_temp_auto_base, store_temp_auto_base, 1); | |
1343 | static SENSOR_DEVICE_ATTR(temp3_auto_base, S_IWUSR | S_IRUGO, | |
1344 | show_temp_auto_base, store_temp_auto_base, 2); | |
1345 | ||
1346 | static ssize_t show_temp_auto_boost(struct device *dev, | |
1347 | struct device_attribute *attr,char *buf) | |
1348 | { | |
1349 | int nr = (to_sensor_dev_attr(attr))->index; | |
1350 | struct lm93_data *data = lm93_update_device(dev); | |
1351 | return sprintf(buf,"%d\n",LM93_TEMP_FROM_REG(data->boost[nr])); | |
1352 | } | |
1353 | ||
1354 | static ssize_t store_temp_auto_boost(struct device *dev, | |
1355 | struct device_attribute *attr, | |
1356 | const char *buf, size_t count) | |
1357 | { | |
1358 | int nr = (to_sensor_dev_attr(attr))->index; | |
1359 | struct i2c_client *client = to_i2c_client(dev); | |
1360 | struct lm93_data *data = i2c_get_clientdata(client); | |
5bfedac0 | 1361 | long val = simple_strtol(buf, NULL, 10); |
e46957ed HJK |
1362 | |
1363 | mutex_lock(&data->update_lock); | |
1364 | data->boost[nr] = LM93_TEMP_TO_REG(val); | |
1365 | lm93_write_byte(client, LM93_REG_BOOST(nr), data->boost[nr]); | |
1366 | mutex_unlock(&data->update_lock); | |
1367 | return count; | |
1368 | } | |
1369 | ||
1370 | static SENSOR_DEVICE_ATTR(temp1_auto_boost, S_IWUSR | S_IRUGO, | |
1371 | show_temp_auto_boost, store_temp_auto_boost, 0); | |
1372 | static SENSOR_DEVICE_ATTR(temp2_auto_boost, S_IWUSR | S_IRUGO, | |
1373 | show_temp_auto_boost, store_temp_auto_boost, 1); | |
1374 | static SENSOR_DEVICE_ATTR(temp3_auto_boost, S_IWUSR | S_IRUGO, | |
1375 | show_temp_auto_boost, store_temp_auto_boost, 2); | |
1376 | ||
1377 | static ssize_t show_temp_auto_boost_hyst(struct device *dev, | |
1378 | struct device_attribute *attr, | |
1379 | char *buf) | |
1380 | { | |
1381 | int nr = (to_sensor_dev_attr(attr))->index; | |
1382 | struct lm93_data *data = lm93_update_device(dev); | |
1383 | int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr); | |
1384 | return sprintf(buf,"%d\n", | |
1385 | LM93_AUTO_BOOST_HYST_FROM_REGS(data, nr, mode)); | |
1386 | } | |
1387 | ||
1388 | static ssize_t store_temp_auto_boost_hyst(struct device *dev, | |
1389 | struct device_attribute *attr, | |
1390 | const char *buf, size_t count) | |
1391 | { | |
1392 | int nr = (to_sensor_dev_attr(attr))->index; | |
1393 | struct i2c_client *client = to_i2c_client(dev); | |
1394 | struct lm93_data *data = i2c_get_clientdata(client); | |
1395 | u32 val = simple_strtoul(buf, NULL, 10); | |
1396 | ||
1397 | mutex_lock(&data->update_lock); | |
1398 | /* force 0.5C/bit mode */ | |
1399 | data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); | |
1400 | data->sfc2 |= ((nr < 2) ? 0x10 : 0x20); | |
1401 | lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); | |
1402 | data->boost_hyst[nr/2] = LM93_AUTO_BOOST_HYST_TO_REG(data, val, nr, 1); | |
1403 | lm93_write_byte(client, LM93_REG_BOOST_HYST(nr), | |
1404 | data->boost_hyst[nr/2]); | |
1405 | mutex_unlock(&data->update_lock); | |
1406 | return count; | |
1407 | } | |
1408 | ||
1409 | static SENSOR_DEVICE_ATTR(temp1_auto_boost_hyst, S_IWUSR | S_IRUGO, | |
1410 | show_temp_auto_boost_hyst, | |
1411 | store_temp_auto_boost_hyst, 0); | |
1412 | static SENSOR_DEVICE_ATTR(temp2_auto_boost_hyst, S_IWUSR | S_IRUGO, | |
1413 | show_temp_auto_boost_hyst, | |
1414 | store_temp_auto_boost_hyst, 1); | |
1415 | static SENSOR_DEVICE_ATTR(temp3_auto_boost_hyst, S_IWUSR | S_IRUGO, | |
1416 | show_temp_auto_boost_hyst, | |
1417 | store_temp_auto_boost_hyst, 2); | |
1418 | ||
1419 | static ssize_t show_temp_auto_offset(struct device *dev, | |
1420 | struct device_attribute *attr, char *buf) | |
1421 | { | |
1422 | struct sensor_device_attribute_2 *s_attr = to_sensor_dev_attr_2(attr); | |
1423 | int nr = s_attr->index; | |
1424 | int ofs = s_attr->nr; | |
1425 | struct lm93_data *data = lm93_update_device(dev); | |
1426 | int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr); | |
1427 | return sprintf(buf,"%d\n", | |
1428 | LM93_TEMP_AUTO_OFFSET_FROM_REG(data->block10.offset[ofs], | |
1429 | nr,mode)); | |
1430 | } | |
1431 | ||
1432 | static ssize_t store_temp_auto_offset(struct device *dev, | |
1433 | struct device_attribute *attr, | |
1434 | const char *buf, size_t count) | |
1435 | { | |
1436 | struct sensor_device_attribute_2 *s_attr = to_sensor_dev_attr_2(attr); | |
1437 | int nr = s_attr->index; | |
1438 | int ofs = s_attr->nr; | |
1439 | struct i2c_client *client = to_i2c_client(dev); | |
1440 | struct lm93_data *data = i2c_get_clientdata(client); | |
1441 | u32 val = simple_strtoul(buf, NULL, 10); | |
1442 | ||
1443 | mutex_lock(&data->update_lock); | |
1444 | /* force 0.5C/bit mode */ | |
1445 | data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); | |
1446 | data->sfc2 |= ((nr < 2) ? 0x10 : 0x20); | |
1447 | lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); | |
1448 | data->block10.offset[ofs] = LM93_TEMP_AUTO_OFFSET_TO_REG( | |
1449 | data->block10.offset[ofs], val, nr, 1); | |
1450 | lm93_write_byte(client, LM93_REG_TEMP_OFFSET(ofs), | |
1451 | data->block10.offset[ofs]); | |
1452 | mutex_unlock(&data->update_lock); | |
1453 | return count; | |
1454 | } | |
1455 | ||
1456 | static SENSOR_DEVICE_ATTR_2(temp1_auto_offset1, S_IWUSR | S_IRUGO, | |
1457 | show_temp_auto_offset, store_temp_auto_offset, 0, 0); | |
1458 | static SENSOR_DEVICE_ATTR_2(temp1_auto_offset2, S_IWUSR | S_IRUGO, | |
1459 | show_temp_auto_offset, store_temp_auto_offset, 1, 0); | |
1460 | static SENSOR_DEVICE_ATTR_2(temp1_auto_offset3, S_IWUSR | S_IRUGO, | |
1461 | show_temp_auto_offset, store_temp_auto_offset, 2, 0); | |
1462 | static SENSOR_DEVICE_ATTR_2(temp1_auto_offset4, S_IWUSR | S_IRUGO, | |
1463 | show_temp_auto_offset, store_temp_auto_offset, 3, 0); | |
1464 | static SENSOR_DEVICE_ATTR_2(temp1_auto_offset5, S_IWUSR | S_IRUGO, | |
1465 | show_temp_auto_offset, store_temp_auto_offset, 4, 0); | |
1466 | static SENSOR_DEVICE_ATTR_2(temp1_auto_offset6, S_IWUSR | S_IRUGO, | |
1467 | show_temp_auto_offset, store_temp_auto_offset, 5, 0); | |
1468 | static SENSOR_DEVICE_ATTR_2(temp1_auto_offset7, S_IWUSR | S_IRUGO, | |
1469 | show_temp_auto_offset, store_temp_auto_offset, 6, 0); | |
1470 | static SENSOR_DEVICE_ATTR_2(temp1_auto_offset8, S_IWUSR | S_IRUGO, | |
1471 | show_temp_auto_offset, store_temp_auto_offset, 7, 0); | |
1472 | static SENSOR_DEVICE_ATTR_2(temp1_auto_offset9, S_IWUSR | S_IRUGO, | |
1473 | show_temp_auto_offset, store_temp_auto_offset, 8, 0); | |
1474 | static SENSOR_DEVICE_ATTR_2(temp1_auto_offset10, S_IWUSR | S_IRUGO, | |
1475 | show_temp_auto_offset, store_temp_auto_offset, 9, 0); | |
1476 | static SENSOR_DEVICE_ATTR_2(temp1_auto_offset11, S_IWUSR | S_IRUGO, | |
1477 | show_temp_auto_offset, store_temp_auto_offset, 10, 0); | |
1478 | static SENSOR_DEVICE_ATTR_2(temp1_auto_offset12, S_IWUSR | S_IRUGO, | |
1479 | show_temp_auto_offset, store_temp_auto_offset, 11, 0); | |
1480 | static SENSOR_DEVICE_ATTR_2(temp2_auto_offset1, S_IWUSR | S_IRUGO, | |
1481 | show_temp_auto_offset, store_temp_auto_offset, 0, 1); | |
1482 | static SENSOR_DEVICE_ATTR_2(temp2_auto_offset2, S_IWUSR | S_IRUGO, | |
1483 | show_temp_auto_offset, store_temp_auto_offset, 1, 1); | |
1484 | static SENSOR_DEVICE_ATTR_2(temp2_auto_offset3, S_IWUSR | S_IRUGO, | |
1485 | show_temp_auto_offset, store_temp_auto_offset, 2, 1); | |
1486 | static SENSOR_DEVICE_ATTR_2(temp2_auto_offset4, S_IWUSR | S_IRUGO, | |
1487 | show_temp_auto_offset, store_temp_auto_offset, 3, 1); | |
1488 | static SENSOR_DEVICE_ATTR_2(temp2_auto_offset5, S_IWUSR | S_IRUGO, | |
1489 | show_temp_auto_offset, store_temp_auto_offset, 4, 1); | |
1490 | static SENSOR_DEVICE_ATTR_2(temp2_auto_offset6, S_IWUSR | S_IRUGO, | |
1491 | show_temp_auto_offset, store_temp_auto_offset, 5, 1); | |
1492 | static SENSOR_DEVICE_ATTR_2(temp2_auto_offset7, S_IWUSR | S_IRUGO, | |
1493 | show_temp_auto_offset, store_temp_auto_offset, 6, 1); | |
1494 | static SENSOR_DEVICE_ATTR_2(temp2_auto_offset8, S_IWUSR | S_IRUGO, | |
1495 | show_temp_auto_offset, store_temp_auto_offset, 7, 1); | |
1496 | static SENSOR_DEVICE_ATTR_2(temp2_auto_offset9, S_IWUSR | S_IRUGO, | |
1497 | show_temp_auto_offset, store_temp_auto_offset, 8, 1); | |
1498 | static SENSOR_DEVICE_ATTR_2(temp2_auto_offset10, S_IWUSR | S_IRUGO, | |
1499 | show_temp_auto_offset, store_temp_auto_offset, 9, 1); | |
1500 | static SENSOR_DEVICE_ATTR_2(temp2_auto_offset11, S_IWUSR | S_IRUGO, | |
1501 | show_temp_auto_offset, store_temp_auto_offset, 10, 1); | |
1502 | static SENSOR_DEVICE_ATTR_2(temp2_auto_offset12, S_IWUSR | S_IRUGO, | |
1503 | show_temp_auto_offset, store_temp_auto_offset, 11, 1); | |
1504 | static SENSOR_DEVICE_ATTR_2(temp3_auto_offset1, S_IWUSR | S_IRUGO, | |
1505 | show_temp_auto_offset, store_temp_auto_offset, 0, 2); | |
1506 | static SENSOR_DEVICE_ATTR_2(temp3_auto_offset2, S_IWUSR | S_IRUGO, | |
1507 | show_temp_auto_offset, store_temp_auto_offset, 1, 2); | |
1508 | static SENSOR_DEVICE_ATTR_2(temp3_auto_offset3, S_IWUSR | S_IRUGO, | |
1509 | show_temp_auto_offset, store_temp_auto_offset, 2, 2); | |
1510 | static SENSOR_DEVICE_ATTR_2(temp3_auto_offset4, S_IWUSR | S_IRUGO, | |
1511 | show_temp_auto_offset, store_temp_auto_offset, 3, 2); | |
1512 | static SENSOR_DEVICE_ATTR_2(temp3_auto_offset5, S_IWUSR | S_IRUGO, | |
1513 | show_temp_auto_offset, store_temp_auto_offset, 4, 2); | |
1514 | static SENSOR_DEVICE_ATTR_2(temp3_auto_offset6, S_IWUSR | S_IRUGO, | |
1515 | show_temp_auto_offset, store_temp_auto_offset, 5, 2); | |
1516 | static SENSOR_DEVICE_ATTR_2(temp3_auto_offset7, S_IWUSR | S_IRUGO, | |
1517 | show_temp_auto_offset, store_temp_auto_offset, 6, 2); | |
1518 | static SENSOR_DEVICE_ATTR_2(temp3_auto_offset8, S_IWUSR | S_IRUGO, | |
1519 | show_temp_auto_offset, store_temp_auto_offset, 7, 2); | |
1520 | static SENSOR_DEVICE_ATTR_2(temp3_auto_offset9, S_IWUSR | S_IRUGO, | |
1521 | show_temp_auto_offset, store_temp_auto_offset, 8, 2); | |
1522 | static SENSOR_DEVICE_ATTR_2(temp3_auto_offset10, S_IWUSR | S_IRUGO, | |
1523 | show_temp_auto_offset, store_temp_auto_offset, 9, 2); | |
1524 | static SENSOR_DEVICE_ATTR_2(temp3_auto_offset11, S_IWUSR | S_IRUGO, | |
1525 | show_temp_auto_offset, store_temp_auto_offset, 10, 2); | |
1526 | static SENSOR_DEVICE_ATTR_2(temp3_auto_offset12, S_IWUSR | S_IRUGO, | |
1527 | show_temp_auto_offset, store_temp_auto_offset, 11, 2); | |
1528 | ||
1529 | static ssize_t show_temp_auto_pwm_min(struct device *dev, | |
1530 | struct device_attribute *attr, char *buf) | |
1531 | { | |
1532 | int nr = (to_sensor_dev_attr(attr))->index; | |
1533 | u8 reg, ctl4; | |
1534 | struct lm93_data *data = lm93_update_device(dev); | |
1535 | reg = data->auto_pwm_min_hyst[nr/2] >> 4 & 0x0f; | |
1536 | ctl4 = data->block9[nr][LM93_PWM_CTL4]; | |
1537 | return sprintf(buf,"%d\n",LM93_PWM_FROM_REG(reg, (ctl4 & 0x07) ? | |
1538 | LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ)); | |
1539 | } | |
1540 | ||
1541 | static ssize_t store_temp_auto_pwm_min(struct device *dev, | |
1542 | struct device_attribute *attr, | |
1543 | const char *buf, size_t count) | |
1544 | { | |
1545 | int nr = (to_sensor_dev_attr(attr))->index; | |
1546 | struct i2c_client *client = to_i2c_client(dev); | |
1547 | struct lm93_data *data = i2c_get_clientdata(client); | |
1548 | u32 val = simple_strtoul(buf, NULL, 10); | |
1549 | u8 reg, ctl4; | |
1550 | ||
1551 | mutex_lock(&data->update_lock); | |
1552 | reg = lm93_read_byte(client, LM93_REG_PWM_MIN_HYST(nr)); | |
1553 | ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr,LM93_PWM_CTL4)); | |
1554 | reg = (reg & 0x0f) | | |
1555 | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ? | |
1556 | LM93_PWM_MAP_LO_FREQ : | |
1557 | LM93_PWM_MAP_HI_FREQ) << 4; | |
1558 | data->auto_pwm_min_hyst[nr/2] = reg; | |
1559 | lm93_write_byte(client, LM93_REG_PWM_MIN_HYST(nr), reg); | |
1560 | mutex_unlock(&data->update_lock); | |
1561 | return count; | |
1562 | } | |
1563 | ||
1564 | static SENSOR_DEVICE_ATTR(temp1_auto_pwm_min, S_IWUSR | S_IRUGO, | |
1565 | show_temp_auto_pwm_min, | |
1566 | store_temp_auto_pwm_min, 0); | |
1567 | static SENSOR_DEVICE_ATTR(temp2_auto_pwm_min, S_IWUSR | S_IRUGO, | |
1568 | show_temp_auto_pwm_min, | |
1569 | store_temp_auto_pwm_min, 1); | |
1570 | static SENSOR_DEVICE_ATTR(temp3_auto_pwm_min, S_IWUSR | S_IRUGO, | |
1571 | show_temp_auto_pwm_min, | |
1572 | store_temp_auto_pwm_min, 2); | |
1573 | ||
1574 | static ssize_t show_temp_auto_offset_hyst(struct device *dev, | |
1575 | struct device_attribute *attr, char *buf) | |
1576 | { | |
1577 | int nr = (to_sensor_dev_attr(attr))->index; | |
1578 | struct lm93_data *data = lm93_update_device(dev); | |
1579 | int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr); | |
1580 | return sprintf(buf,"%d\n",LM93_TEMP_OFFSET_FROM_REG( | |
1581 | data->auto_pwm_min_hyst[nr/2], mode)); | |
1582 | } | |
1583 | ||
1584 | static ssize_t store_temp_auto_offset_hyst(struct device *dev, | |
1585 | struct device_attribute *attr, | |
1586 | const char *buf, size_t count) | |
1587 | { | |
1588 | int nr = (to_sensor_dev_attr(attr))->index; | |
1589 | struct i2c_client *client = to_i2c_client(dev); | |
1590 | struct lm93_data *data = i2c_get_clientdata(client); | |
1591 | u32 val = simple_strtoul(buf, NULL, 10); | |
1592 | u8 reg; | |
1593 | ||
1594 | mutex_lock(&data->update_lock); | |
1595 | /* force 0.5C/bit mode */ | |
1596 | data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); | |
1597 | data->sfc2 |= ((nr < 2) ? 0x10 : 0x20); | |
1598 | lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); | |
1599 | reg = data->auto_pwm_min_hyst[nr/2]; | |
1600 | reg = (reg & 0xf0) | (LM93_TEMP_OFFSET_TO_REG(val, 1) & 0x0f); | |
1601 | data->auto_pwm_min_hyst[nr/2] = reg; | |
1602 | lm93_write_byte(client, LM93_REG_PWM_MIN_HYST(nr), reg); | |
1603 | mutex_unlock(&data->update_lock); | |
1604 | return count; | |
1605 | } | |
1606 | ||
1607 | static SENSOR_DEVICE_ATTR(temp1_auto_offset_hyst, S_IWUSR | S_IRUGO, | |
1608 | show_temp_auto_offset_hyst, | |
1609 | store_temp_auto_offset_hyst, 0); | |
1610 | static SENSOR_DEVICE_ATTR(temp2_auto_offset_hyst, S_IWUSR | S_IRUGO, | |
1611 | show_temp_auto_offset_hyst, | |
1612 | store_temp_auto_offset_hyst, 1); | |
1613 | static SENSOR_DEVICE_ATTR(temp3_auto_offset_hyst, S_IWUSR | S_IRUGO, | |
1614 | show_temp_auto_offset_hyst, | |
1615 | store_temp_auto_offset_hyst, 2); | |
1616 | ||
1617 | static ssize_t show_fan_input(struct device *dev, | |
1618 | struct device_attribute *attr, char *buf) | |
1619 | { | |
1620 | struct sensor_device_attribute *s_attr = to_sensor_dev_attr(attr); | |
1621 | int nr = s_attr->index; | |
1622 | struct lm93_data *data = lm93_update_device(dev); | |
1623 | ||
1624 | return sprintf(buf,"%d\n",LM93_FAN_FROM_REG(data->block5[nr])); | |
1625 | } | |
1626 | ||
1627 | static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan_input, NULL, 0); | |
1628 | static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan_input, NULL, 1); | |
1629 | static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan_input, NULL, 2); | |
1630 | static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan_input, NULL, 3); | |
1631 | ||
1632 | static ssize_t show_fan_min(struct device *dev, | |
1633 | struct device_attribute *attr, char *buf) | |
1634 | { | |
1635 | int nr = (to_sensor_dev_attr(attr))->index; | |
1636 | struct lm93_data *data = lm93_update_device(dev); | |
1637 | ||
1638 | return sprintf(buf,"%d\n",LM93_FAN_FROM_REG(data->block8[nr])); | |
1639 | } | |
1640 | ||
1641 | static ssize_t store_fan_min(struct device *dev, struct device_attribute *attr, | |
1642 | const char *buf, size_t count) | |
1643 | { | |
1644 | int nr = (to_sensor_dev_attr(attr))->index; | |
1645 | struct i2c_client *client = to_i2c_client(dev); | |
1646 | struct lm93_data *data = i2c_get_clientdata(client); | |
1647 | u32 val = simple_strtoul(buf, NULL, 10); | |
1648 | ||
1649 | mutex_lock(&data->update_lock); | |
1650 | data->block8[nr] = LM93_FAN_TO_REG(val); | |
1651 | lm93_write_word(client,LM93_REG_FAN_MIN(nr),data->block8[nr]); | |
1652 | mutex_unlock(&data->update_lock); | |
1653 | return count; | |
1654 | } | |
1655 | ||
1656 | static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, | |
1657 | show_fan_min, store_fan_min, 0); | |
1658 | static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO, | |
1659 | show_fan_min, store_fan_min, 1); | |
1660 | static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO, | |
1661 | show_fan_min, store_fan_min, 2); | |
1662 | static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO, | |
1663 | show_fan_min, store_fan_min, 3); | |
1664 | ||
1665 | /* some tedious bit-twiddling here to deal with the register format: | |
1666 | ||
1667 | data->sf_tach_to_pwm: (tach to pwm mapping bits) | |
1668 | ||
1669 | bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
1670 | T4:P2 T4:P1 T3:P2 T3:P1 T2:P2 T2:P1 T1:P2 T1:P1 | |
1671 | ||
1672 | data->sfc2: (enable bits) | |
1673 | ||
1674 | bit | 3 | 2 | 1 | 0 | |
1675 | T4 T3 T2 T1 | |
1676 | */ | |
1677 | ||
1678 | static ssize_t show_fan_smart_tach(struct device *dev, | |
1679 | struct device_attribute *attr, char *buf) | |
1680 | { | |
1681 | int nr = (to_sensor_dev_attr(attr))->index; | |
1682 | struct lm93_data *data = lm93_update_device(dev); | |
1683 | long rc = 0; | |
1684 | int mapping; | |
1685 | ||
1686 | /* extract the relevant mapping */ | |
1687 | mapping = (data->sf_tach_to_pwm >> (nr * 2)) & 0x03; | |
1688 | ||
1689 | /* if there's a mapping and it's enabled */ | |
1690 | if (mapping && ((data->sfc2 >> nr) & 0x01)) | |
1691 | rc = mapping; | |
1692 | return sprintf(buf,"%ld\n",rc); | |
1693 | } | |
1694 | ||
1695 | /* helper function - must grab data->update_lock before calling | |
1696 | fan is 0-3, indicating fan1-fan4 */ | |
1697 | static void lm93_write_fan_smart_tach(struct i2c_client *client, | |
1698 | struct lm93_data *data, int fan, long value) | |
1699 | { | |
1700 | /* insert the new mapping and write it out */ | |
1701 | data->sf_tach_to_pwm = lm93_read_byte(client, LM93_REG_SF_TACH_TO_PWM); | |
1702 | data->sf_tach_to_pwm &= ~(0x3 << fan * 2); | |
1703 | data->sf_tach_to_pwm |= value << fan * 2; | |
1704 | lm93_write_byte(client, LM93_REG_SF_TACH_TO_PWM, data->sf_tach_to_pwm); | |
1705 | ||
1706 | /* insert the enable bit and write it out */ | |
1707 | data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); | |
1708 | if (value) | |
1709 | data->sfc2 |= 1 << fan; | |
1710 | else | |
1711 | data->sfc2 &= ~(1 << fan); | |
1712 | lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); | |
1713 | } | |
1714 | ||
1715 | static ssize_t store_fan_smart_tach(struct device *dev, | |
1716 | struct device_attribute *attr, | |
1717 | const char *buf, size_t count) | |
1718 | { | |
1719 | int nr = (to_sensor_dev_attr(attr))->index; | |
1720 | struct i2c_client *client = to_i2c_client(dev); | |
1721 | struct lm93_data *data = i2c_get_clientdata(client); | |
1722 | u32 val = simple_strtoul(buf, NULL, 10); | |
1723 | ||
1724 | mutex_lock(&data->update_lock); | |
1725 | /* sanity test, ignore the write otherwise */ | |
1726 | if (0 <= val && val <= 2) { | |
1727 | /* can't enable if pwm freq is 22.5KHz */ | |
1728 | if (val) { | |
1729 | u8 ctl4 = lm93_read_byte(client, | |
1730 | LM93_REG_PWM_CTL(val-1,LM93_PWM_CTL4)); | |
1731 | if ((ctl4 & 0x07) == 0) | |
1732 | val = 0; | |
1733 | } | |
1734 | lm93_write_fan_smart_tach(client, data, nr, val); | |
1735 | } | |
1736 | mutex_unlock(&data->update_lock); | |
1737 | return count; | |
1738 | } | |
1739 | ||
1740 | static SENSOR_DEVICE_ATTR(fan1_smart_tach, S_IWUSR | S_IRUGO, | |
1741 | show_fan_smart_tach, store_fan_smart_tach, 0); | |
1742 | static SENSOR_DEVICE_ATTR(fan2_smart_tach, S_IWUSR | S_IRUGO, | |
1743 | show_fan_smart_tach, store_fan_smart_tach, 1); | |
1744 | static SENSOR_DEVICE_ATTR(fan3_smart_tach, S_IWUSR | S_IRUGO, | |
1745 | show_fan_smart_tach, store_fan_smart_tach, 2); | |
1746 | static SENSOR_DEVICE_ATTR(fan4_smart_tach, S_IWUSR | S_IRUGO, | |
1747 | show_fan_smart_tach, store_fan_smart_tach, 3); | |
1748 | ||
1749 | static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, | |
1750 | char *buf) | |
1751 | { | |
1752 | int nr = (to_sensor_dev_attr(attr))->index; | |
1753 | struct lm93_data *data = lm93_update_device(dev); | |
1754 | u8 ctl2, ctl4; | |
1755 | long rc; | |
1756 | ||
1757 | ctl2 = data->block9[nr][LM93_PWM_CTL2]; | |
1758 | ctl4 = data->block9[nr][LM93_PWM_CTL4]; | |
1759 | if (ctl2 & 0x01) /* show user commanded value if enabled */ | |
1760 | rc = data->pwm_override[nr]; | |
1761 | else /* show present h/w value if manual pwm disabled */ | |
1762 | rc = LM93_PWM_FROM_REG(ctl2 >> 4, (ctl4 & 0x07) ? | |
1763 | LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ); | |
1764 | return sprintf(buf,"%ld\n",rc); | |
1765 | } | |
1766 | ||
1767 | static ssize_t store_pwm(struct device *dev, struct device_attribute *attr, | |
1768 | const char *buf, size_t count) | |
1769 | { | |
1770 | int nr = (to_sensor_dev_attr(attr))->index; | |
1771 | struct i2c_client *client = to_i2c_client(dev); | |
1772 | struct lm93_data *data = i2c_get_clientdata(client); | |
1773 | u32 val = simple_strtoul(buf, NULL, 10); | |
1774 | u8 ctl2, ctl4; | |
1775 | ||
1776 | mutex_lock(&data->update_lock); | |
1777 | ctl2 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL2)); | |
1778 | ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr,LM93_PWM_CTL4)); | |
1779 | ctl2 = (ctl2 & 0x0f) | LM93_PWM_TO_REG(val,(ctl4 & 0x07) ? | |
1780 | LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ) << 4; | |
1781 | /* save user commanded value */ | |
1782 | data->pwm_override[nr] = LM93_PWM_FROM_REG(ctl2 >> 4, | |
1783 | (ctl4 & 0x07) ? LM93_PWM_MAP_LO_FREQ : | |
1784 | LM93_PWM_MAP_HI_FREQ); | |
1785 | lm93_write_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL2),ctl2); | |
1786 | mutex_unlock(&data->update_lock); | |
1787 | return count; | |
1788 | } | |
1789 | ||
1790 | static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 0); | |
1791 | static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, store_pwm, 1); | |
1792 | ||
1793 | static ssize_t show_pwm_enable(struct device *dev, | |
1794 | struct device_attribute *attr, char *buf) | |
1795 | { | |
1796 | int nr = (to_sensor_dev_attr(attr))->index; | |
1797 | struct lm93_data *data = lm93_update_device(dev); | |
1798 | u8 ctl2; | |
1799 | long rc; | |
1800 | ||
1801 | ctl2 = data->block9[nr][LM93_PWM_CTL2]; | |
1802 | if (ctl2 & 0x01) /* manual override enabled ? */ | |
1803 | rc = ((ctl2 & 0xF0) == 0xF0) ? 0 : 1; | |
1804 | else | |
1805 | rc = 2; | |
1806 | return sprintf(buf,"%ld\n",rc); | |
1807 | } | |
1808 | ||
1809 | static ssize_t store_pwm_enable(struct device *dev, | |
1810 | struct device_attribute *attr, | |
1811 | const char *buf, size_t count) | |
1812 | { | |
1813 | int nr = (to_sensor_dev_attr(attr))->index; | |
1814 | struct i2c_client *client = to_i2c_client(dev); | |
1815 | struct lm93_data *data = i2c_get_clientdata(client); | |
1816 | u32 val = simple_strtoul(buf, NULL, 10); | |
1817 | u8 ctl2; | |
1818 | ||
1819 | mutex_lock(&data->update_lock); | |
1820 | ctl2 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL2)); | |
1821 | ||
1822 | switch (val) { | |
1823 | case 0: | |
1824 | ctl2 |= 0xF1; /* enable manual override, set PWM to max */ | |
1825 | break; | |
1826 | case 1: ctl2 |= 0x01; /* enable manual override */ | |
1827 | break; | |
1828 | case 2: ctl2 &= ~0x01; /* disable manual override */ | |
1829 | break; | |
1830 | default: | |
1831 | mutex_unlock(&data->update_lock); | |
1832 | return -EINVAL; | |
1833 | } | |
1834 | ||
1835 | lm93_write_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL2),ctl2); | |
1836 | mutex_unlock(&data->update_lock); | |
1837 | return count; | |
1838 | } | |
1839 | ||
1840 | static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, | |
1841 | show_pwm_enable, store_pwm_enable, 0); | |
1842 | static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, | |
1843 | show_pwm_enable, store_pwm_enable, 1); | |
1844 | ||
1845 | static ssize_t show_pwm_freq(struct device *dev, struct device_attribute *attr, | |
1846 | char *buf) | |
1847 | { | |
1848 | int nr = (to_sensor_dev_attr(attr))->index; | |
1849 | struct lm93_data *data = lm93_update_device(dev); | |
1850 | u8 ctl4; | |
1851 | ||
1852 | ctl4 = data->block9[nr][LM93_PWM_CTL4]; | |
1853 | return sprintf(buf,"%d\n",LM93_PWM_FREQ_FROM_REG(ctl4)); | |
1854 | } | |
1855 | ||
1856 | /* helper function - must grab data->update_lock before calling | |
1857 | pwm is 0-1, indicating pwm1-pwm2 | |
1858 | this disables smart tach for all tach channels bound to the given pwm */ | |
1859 | static void lm93_disable_fan_smart_tach(struct i2c_client *client, | |
1860 | struct lm93_data *data, int pwm) | |
1861 | { | |
1862 | int mapping = lm93_read_byte(client, LM93_REG_SF_TACH_TO_PWM); | |
1863 | int mask; | |
1864 | ||
1865 | /* collapse the mapping into a mask of enable bits */ | |
1866 | mapping = (mapping >> pwm) & 0x55; | |
1867 | mask = mapping & 0x01; | |
1868 | mask |= (mapping & 0x04) >> 1; | |
1869 | mask |= (mapping & 0x10) >> 2; | |
1870 | mask |= (mapping & 0x40) >> 3; | |
1871 | ||
1872 | /* disable smart tach according to the mask */ | |
1873 | data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); | |
1874 | data->sfc2 &= ~mask; | |
1875 | lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); | |
1876 | } | |
1877 | ||
1878 | static ssize_t store_pwm_freq(struct device *dev, | |
1879 | struct device_attribute *attr, | |
1880 | const char *buf, size_t count) | |
1881 | { | |
1882 | int nr = (to_sensor_dev_attr(attr))->index; | |
1883 | struct i2c_client *client = to_i2c_client(dev); | |
1884 | struct lm93_data *data = i2c_get_clientdata(client); | |
1885 | u32 val = simple_strtoul(buf, NULL, 10); | |
1886 | u8 ctl4; | |
1887 | ||
1888 | mutex_lock(&data->update_lock); | |
1889 | ctl4 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr,LM93_PWM_CTL4)); | |
1890 | ctl4 = (ctl4 & 0xf8) | LM93_PWM_FREQ_TO_REG(val); | |
1891 | data->block9[nr][LM93_PWM_CTL4] = ctl4; | |
1892 | /* ctl4 == 0 -> 22.5KHz -> disable smart tach */ | |
1893 | if (!ctl4) | |
1894 | lm93_disable_fan_smart_tach(client, data, nr); | |
1895 | lm93_write_byte(client, LM93_REG_PWM_CTL(nr,LM93_PWM_CTL4), ctl4); | |
1896 | mutex_unlock(&data->update_lock); | |
1897 | return count; | |
1898 | } | |
1899 | ||
1900 | static SENSOR_DEVICE_ATTR(pwm1_freq, S_IWUSR | S_IRUGO, | |
1901 | show_pwm_freq, store_pwm_freq, 0); | |
1902 | static SENSOR_DEVICE_ATTR(pwm2_freq, S_IWUSR | S_IRUGO, | |
1903 | show_pwm_freq, store_pwm_freq, 1); | |
1904 | ||
1905 | static ssize_t show_pwm_auto_channels(struct device *dev, | |
1906 | struct device_attribute *attr, char *buf) | |
1907 | { | |
1908 | int nr = (to_sensor_dev_attr(attr))->index; | |
1909 | struct lm93_data *data = lm93_update_device(dev); | |
1910 | return sprintf(buf,"%d\n",data->block9[nr][LM93_PWM_CTL1]); | |
1911 | } | |
1912 | ||
1913 | static ssize_t store_pwm_auto_channels(struct device *dev, | |
1914 | struct device_attribute *attr, | |
1915 | const char *buf, size_t count) | |
1916 | { | |
1917 | int nr = (to_sensor_dev_attr(attr))->index; | |
1918 | struct i2c_client *client = to_i2c_client(dev); | |
1919 | struct lm93_data *data = i2c_get_clientdata(client); | |
1920 | u32 val = simple_strtoul(buf, NULL, 10); | |
1921 | ||
1922 | mutex_lock(&data->update_lock); | |
1923 | data->block9[nr][LM93_PWM_CTL1] = SENSORS_LIMIT(val, 0, 255); | |
1924 | lm93_write_byte(client, LM93_REG_PWM_CTL(nr,LM93_PWM_CTL1), | |
1925 | data->block9[nr][LM93_PWM_CTL1]); | |
1926 | mutex_unlock(&data->update_lock); | |
1927 | return count; | |
1928 | } | |
1929 | ||
1930 | static SENSOR_DEVICE_ATTR(pwm1_auto_channels, S_IWUSR | S_IRUGO, | |
1931 | show_pwm_auto_channels, store_pwm_auto_channels, 0); | |
1932 | static SENSOR_DEVICE_ATTR(pwm2_auto_channels, S_IWUSR | S_IRUGO, | |
1933 | show_pwm_auto_channels, store_pwm_auto_channels, 1); | |
1934 | ||
1935 | static ssize_t show_pwm_auto_spinup_min(struct device *dev, | |
1936 | struct device_attribute *attr,char *buf) | |
1937 | { | |
1938 | int nr = (to_sensor_dev_attr(attr))->index; | |
1939 | struct lm93_data *data = lm93_update_device(dev); | |
1940 | u8 ctl3, ctl4; | |
1941 | ||
1942 | ctl3 = data->block9[nr][LM93_PWM_CTL3]; | |
1943 | ctl4 = data->block9[nr][LM93_PWM_CTL4]; | |
1944 | return sprintf(buf,"%d\n", | |
1945 | LM93_PWM_FROM_REG(ctl3 & 0x0f, (ctl4 & 0x07) ? | |
1946 | LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ)); | |
1947 | } | |
1948 | ||
1949 | static ssize_t store_pwm_auto_spinup_min(struct device *dev, | |
1950 | struct device_attribute *attr, | |
1951 | const char *buf, size_t count) | |
1952 | { | |
1953 | int nr = (to_sensor_dev_attr(attr))->index; | |
1954 | struct i2c_client *client = to_i2c_client(dev); | |
1955 | struct lm93_data *data = i2c_get_clientdata(client); | |
1956 | u32 val = simple_strtoul(buf, NULL, 10); | |
1957 | u8 ctl3, ctl4; | |
1958 | ||
1959 | mutex_lock(&data->update_lock); | |
1960 | ctl3 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3)); | |
1961 | ctl4 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4)); | |
1962 | ctl3 = (ctl3 & 0xf0) | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ? | |
1963 | LM93_PWM_MAP_LO_FREQ : | |
1964 | LM93_PWM_MAP_HI_FREQ); | |
1965 | data->block9[nr][LM93_PWM_CTL3] = ctl3; | |
1966 | lm93_write_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3); | |
1967 | mutex_unlock(&data->update_lock); | |
1968 | return count; | |
1969 | } | |
1970 | ||
1971 | static SENSOR_DEVICE_ATTR(pwm1_auto_spinup_min, S_IWUSR | S_IRUGO, | |
1972 | show_pwm_auto_spinup_min, | |
1973 | store_pwm_auto_spinup_min, 0); | |
1974 | static SENSOR_DEVICE_ATTR(pwm2_auto_spinup_min, S_IWUSR | S_IRUGO, | |
1975 | show_pwm_auto_spinup_min, | |
1976 | store_pwm_auto_spinup_min, 1); | |
1977 | ||
1978 | static ssize_t show_pwm_auto_spinup_time(struct device *dev, | |
1979 | struct device_attribute *attr, char *buf) | |
1980 | { | |
1981 | int nr = (to_sensor_dev_attr(attr))->index; | |
1982 | struct lm93_data *data = lm93_update_device(dev); | |
1983 | return sprintf(buf,"%d\n",LM93_SPINUP_TIME_FROM_REG( | |
1984 | data->block9[nr][LM93_PWM_CTL3])); | |
1985 | } | |
1986 | ||
1987 | static ssize_t store_pwm_auto_spinup_time(struct device *dev, | |
1988 | struct device_attribute *attr, | |
1989 | const char *buf, size_t count) | |
1990 | { | |
1991 | int nr = (to_sensor_dev_attr(attr))->index; | |
1992 | struct i2c_client *client = to_i2c_client(dev); | |
1993 | struct lm93_data *data = i2c_get_clientdata(client); | |
1994 | u32 val = simple_strtoul(buf, NULL, 10); | |
1995 | u8 ctl3; | |
1996 | ||
1997 | mutex_lock(&data->update_lock); | |
1998 | ctl3 = lm93_read_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3)); | |
1999 | ctl3 = (ctl3 & 0x1f) | (LM93_SPINUP_TIME_TO_REG(val) << 5 & 0xe0); | |
2000 | data->block9[nr][LM93_PWM_CTL3] = ctl3; | |
2001 | lm93_write_byte(client,LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3); | |
2002 | mutex_unlock(&data->update_lock); | |
2003 | return count; | |
2004 | } | |
2005 | ||
2006 | static SENSOR_DEVICE_ATTR(pwm1_auto_spinup_time, S_IWUSR | S_IRUGO, | |
2007 | show_pwm_auto_spinup_time, | |
2008 | store_pwm_auto_spinup_time, 0); | |
2009 | static SENSOR_DEVICE_ATTR(pwm2_auto_spinup_time, S_IWUSR | S_IRUGO, | |
2010 | show_pwm_auto_spinup_time, | |
2011 | store_pwm_auto_spinup_time, 1); | |
2012 | ||
2013 | static ssize_t show_pwm_auto_prochot_ramp(struct device *dev, | |
2014 | struct device_attribute *attr, char *buf) | |
2015 | { | |
2016 | struct lm93_data *data = lm93_update_device(dev); | |
2017 | return sprintf(buf,"%d\n", | |
2018 | LM93_RAMP_FROM_REG(data->pwm_ramp_ctl >> 4 & 0x0f)); | |
2019 | } | |
2020 | ||
2021 | static ssize_t store_pwm_auto_prochot_ramp(struct device *dev, | |
2022 | struct device_attribute *attr, | |
2023 | const char *buf, size_t count) | |
2024 | { | |
2025 | struct i2c_client *client = to_i2c_client(dev); | |
2026 | struct lm93_data *data = i2c_get_clientdata(client); | |
2027 | u32 val = simple_strtoul(buf, NULL, 10); | |
2028 | u8 ramp; | |
2029 | ||
2030 | mutex_lock(&data->update_lock); | |
2031 | ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL); | |
2032 | ramp = (ramp & 0x0f) | (LM93_RAMP_TO_REG(val) << 4 & 0xf0); | |
2033 | lm93_write_byte(client, LM93_REG_PWM_RAMP_CTL, ramp); | |
2034 | mutex_unlock(&data->update_lock); | |
2035 | return count; | |
2036 | } | |
2037 | ||
2038 | static DEVICE_ATTR(pwm_auto_prochot_ramp, S_IRUGO | S_IWUSR, | |
2039 | show_pwm_auto_prochot_ramp, | |
2040 | store_pwm_auto_prochot_ramp); | |
2041 | ||
2042 | static ssize_t show_pwm_auto_vrdhot_ramp(struct device *dev, | |
2043 | struct device_attribute *attr, char *buf) | |
2044 | { | |
2045 | struct lm93_data *data = lm93_update_device(dev); | |
2046 | return sprintf(buf,"%d\n", | |
2047 | LM93_RAMP_FROM_REG(data->pwm_ramp_ctl & 0x0f)); | |
2048 | } | |
2049 | ||
2050 | static ssize_t store_pwm_auto_vrdhot_ramp(struct device *dev, | |
2051 | struct device_attribute *attr, | |
2052 | const char *buf, size_t count) | |
2053 | { | |
2054 | struct i2c_client *client = to_i2c_client(dev); | |
2055 | struct lm93_data *data = i2c_get_clientdata(client); | |
2056 | u32 val = simple_strtoul(buf, NULL, 10); | |
2057 | u8 ramp; | |
2058 | ||
2059 | mutex_lock(&data->update_lock); | |
2060 | ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL); | |
2061 | ramp = (ramp & 0xf0) | (LM93_RAMP_TO_REG(val) & 0x0f); | |
2062 | lm93_write_byte(client, LM93_REG_PWM_RAMP_CTL, ramp); | |
2063 | mutex_unlock(&data->update_lock); | |
2064 | return 0; | |
2065 | } | |
2066 | ||
2067 | static DEVICE_ATTR(pwm_auto_vrdhot_ramp, S_IRUGO | S_IWUSR, | |
2068 | show_pwm_auto_vrdhot_ramp, | |
2069 | store_pwm_auto_vrdhot_ramp); | |
2070 | ||
2071 | static ssize_t show_vid(struct device *dev, struct device_attribute *attr, | |
2072 | char *buf) | |
2073 | { | |
2074 | int nr = (to_sensor_dev_attr(attr))->index; | |
2075 | struct lm93_data *data = lm93_update_device(dev); | |
2076 | return sprintf(buf,"%d\n",LM93_VID_FROM_REG(data->vid[nr])); | |
2077 | } | |
2078 | ||
e7f62303 JD |
2079 | static SENSOR_DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL, 0); |
2080 | static SENSOR_DEVICE_ATTR(cpu1_vid, S_IRUGO, show_vid, NULL, 1); | |
e46957ed HJK |
2081 | |
2082 | static ssize_t show_prochot(struct device *dev, struct device_attribute *attr, | |
2083 | char *buf) | |
2084 | { | |
2085 | int nr = (to_sensor_dev_attr(attr))->index; | |
2086 | struct lm93_data *data = lm93_update_device(dev); | |
2087 | return sprintf(buf,"%d\n",data->block4[nr].cur); | |
2088 | } | |
2089 | ||
2090 | static SENSOR_DEVICE_ATTR(prochot1, S_IRUGO, show_prochot, NULL, 0); | |
2091 | static SENSOR_DEVICE_ATTR(prochot2, S_IRUGO, show_prochot, NULL, 1); | |
2092 | ||
2093 | static ssize_t show_prochot_avg(struct device *dev, | |
2094 | struct device_attribute *attr, char *buf) | |
2095 | { | |
2096 | int nr = (to_sensor_dev_attr(attr))->index; | |
2097 | struct lm93_data *data = lm93_update_device(dev); | |
2098 | return sprintf(buf,"%d\n",data->block4[nr].avg); | |
2099 | } | |
2100 | ||
2101 | static SENSOR_DEVICE_ATTR(prochot1_avg, S_IRUGO, show_prochot_avg, NULL, 0); | |
2102 | static SENSOR_DEVICE_ATTR(prochot2_avg, S_IRUGO, show_prochot_avg, NULL, 1); | |
2103 | ||
2104 | static ssize_t show_prochot_max(struct device *dev, | |
2105 | struct device_attribute *attr, char *buf) | |
2106 | { | |
2107 | int nr = (to_sensor_dev_attr(attr))->index; | |
2108 | struct lm93_data *data = lm93_update_device(dev); | |
2109 | return sprintf(buf,"%d\n",data->prochot_max[nr]); | |
2110 | } | |
2111 | ||
2112 | static ssize_t store_prochot_max(struct device *dev, | |
2113 | struct device_attribute *attr, | |
2114 | const char *buf, size_t count) | |
2115 | { | |
2116 | int nr = (to_sensor_dev_attr(attr))->index; | |
2117 | struct i2c_client *client = to_i2c_client(dev); | |
2118 | struct lm93_data *data = i2c_get_clientdata(client); | |
2119 | u32 val = simple_strtoul(buf, NULL, 10); | |
2120 | ||
2121 | mutex_lock(&data->update_lock); | |
2122 | data->prochot_max[nr] = LM93_PROCHOT_TO_REG(val); | |
2123 | lm93_write_byte(client, LM93_REG_PROCHOT_MAX(nr), | |
2124 | data->prochot_max[nr]); | |
2125 | mutex_unlock(&data->update_lock); | |
2126 | return count; | |
2127 | } | |
2128 | ||
2129 | static SENSOR_DEVICE_ATTR(prochot1_max, S_IWUSR | S_IRUGO, | |
2130 | show_prochot_max, store_prochot_max, 0); | |
2131 | static SENSOR_DEVICE_ATTR(prochot2_max, S_IWUSR | S_IRUGO, | |
2132 | show_prochot_max, store_prochot_max, 1); | |
2133 | ||
2134 | static const u8 prochot_override_mask[] = { 0x80, 0x40 }; | |
2135 | ||
2136 | static ssize_t show_prochot_override(struct device *dev, | |
2137 | struct device_attribute *attr, char *buf) | |
2138 | { | |
2139 | int nr = (to_sensor_dev_attr(attr))->index; | |
2140 | struct lm93_data *data = lm93_update_device(dev); | |
2141 | return sprintf(buf,"%d\n", | |
2142 | (data->prochot_override & prochot_override_mask[nr]) ? 1 : 0); | |
2143 | } | |
2144 | ||
2145 | static ssize_t store_prochot_override(struct device *dev, | |
2146 | struct device_attribute *attr, | |
2147 | const char *buf, size_t count) | |
2148 | { | |
2149 | int nr = (to_sensor_dev_attr(attr))->index; | |
2150 | struct i2c_client *client = to_i2c_client(dev); | |
2151 | struct lm93_data *data = i2c_get_clientdata(client); | |
2152 | u32 val = simple_strtoul(buf, NULL, 10); | |
2153 | ||
2154 | mutex_lock(&data->update_lock); | |
2155 | if (val) | |
2156 | data->prochot_override |= prochot_override_mask[nr]; | |
2157 | else | |
2158 | data->prochot_override &= (~prochot_override_mask[nr]); | |
2159 | lm93_write_byte(client, LM93_REG_PROCHOT_OVERRIDE, | |
2160 | data->prochot_override); | |
2161 | mutex_unlock(&data->update_lock); | |
2162 | return count; | |
2163 | } | |
2164 | ||
2165 | static SENSOR_DEVICE_ATTR(prochot1_override, S_IWUSR | S_IRUGO, | |
2166 | show_prochot_override, store_prochot_override, 0); | |
2167 | static SENSOR_DEVICE_ATTR(prochot2_override, S_IWUSR | S_IRUGO, | |
2168 | show_prochot_override, store_prochot_override, 1); | |
2169 | ||
2170 | static ssize_t show_prochot_interval(struct device *dev, | |
2171 | struct device_attribute *attr, char *buf) | |
2172 | { | |
2173 | int nr = (to_sensor_dev_attr(attr))->index; | |
2174 | struct lm93_data *data = lm93_update_device(dev); | |
2175 | u8 tmp; | |
2176 | if (nr==1) | |
2177 | tmp = (data->prochot_interval & 0xf0) >> 4; | |
2178 | else | |
2179 | tmp = data->prochot_interval & 0x0f; | |
2180 | return sprintf(buf,"%d\n",LM93_INTERVAL_FROM_REG(tmp)); | |
2181 | } | |
2182 | ||
2183 | static ssize_t store_prochot_interval(struct device *dev, | |
2184 | struct device_attribute *attr, | |
2185 | const char *buf, size_t count) | |
2186 | { | |
2187 | int nr = (to_sensor_dev_attr(attr))->index; | |
2188 | struct i2c_client *client = to_i2c_client(dev); | |
2189 | struct lm93_data *data = i2c_get_clientdata(client); | |
2190 | u32 val = simple_strtoul(buf, NULL, 10); | |
2191 | u8 tmp; | |
2192 | ||
2193 | mutex_lock(&data->update_lock); | |
2194 | tmp = lm93_read_byte(client, LM93_REG_PROCHOT_INTERVAL); | |
2195 | if (nr==1) | |
2196 | tmp = (tmp & 0x0f) | (LM93_INTERVAL_TO_REG(val) << 4); | |
2197 | else | |
2198 | tmp = (tmp & 0xf0) | LM93_INTERVAL_TO_REG(val); | |
2199 | data->prochot_interval = tmp; | |
2200 | lm93_write_byte(client, LM93_REG_PROCHOT_INTERVAL, tmp); | |
2201 | mutex_unlock(&data->update_lock); | |
2202 | return count; | |
2203 | } | |
2204 | ||
2205 | static SENSOR_DEVICE_ATTR(prochot1_interval, S_IWUSR | S_IRUGO, | |
2206 | show_prochot_interval, store_prochot_interval, 0); | |
2207 | static SENSOR_DEVICE_ATTR(prochot2_interval, S_IWUSR | S_IRUGO, | |
2208 | show_prochot_interval, store_prochot_interval, 1); | |
2209 | ||
2210 | static ssize_t show_prochot_override_duty_cycle(struct device *dev, | |
2211 | struct device_attribute *attr, | |
2212 | char *buf) | |
2213 | { | |
2214 | struct lm93_data *data = lm93_update_device(dev); | |
2215 | return sprintf(buf,"%d\n",data->prochot_override & 0x0f); | |
2216 | } | |
2217 | ||
2218 | static ssize_t store_prochot_override_duty_cycle(struct device *dev, | |
2219 | struct device_attribute *attr, | |
2220 | const char *buf, size_t count) | |
2221 | { | |
2222 | struct i2c_client *client = to_i2c_client(dev); | |
2223 | struct lm93_data *data = i2c_get_clientdata(client); | |
2224 | u32 val = simple_strtoul(buf, NULL, 10); | |
2225 | ||
2226 | mutex_lock(&data->update_lock); | |
2227 | data->prochot_override = (data->prochot_override & 0xf0) | | |
2228 | SENSORS_LIMIT(val, 0, 15); | |
2229 | lm93_write_byte(client, LM93_REG_PROCHOT_OVERRIDE, | |
2230 | data->prochot_override); | |
2231 | mutex_unlock(&data->update_lock); | |
2232 | return count; | |
2233 | } | |
2234 | ||
2235 | static DEVICE_ATTR(prochot_override_duty_cycle, S_IRUGO | S_IWUSR, | |
2236 | show_prochot_override_duty_cycle, | |
2237 | store_prochot_override_duty_cycle); | |
2238 | ||
2239 | static ssize_t show_prochot_short(struct device *dev, | |
2240 | struct device_attribute *attr, char *buf) | |
2241 | { | |
2242 | struct lm93_data *data = lm93_update_device(dev); | |
2243 | return sprintf(buf,"%d\n",(data->config & 0x10) ? 1 : 0); | |
2244 | } | |
2245 | ||
2246 | static ssize_t store_prochot_short(struct device *dev, | |
2247 | struct device_attribute *attr, | |
2248 | const char *buf, size_t count) | |
2249 | { | |
2250 | struct i2c_client *client = to_i2c_client(dev); | |
2251 | struct lm93_data *data = i2c_get_clientdata(client); | |
2252 | u32 val = simple_strtoul(buf, NULL, 10); | |
2253 | ||
2254 | mutex_lock(&data->update_lock); | |
2255 | if (val) | |
2256 | data->config |= 0x10; | |
2257 | else | |
2258 | data->config &= ~0x10; | |
2259 | lm93_write_byte(client, LM93_REG_CONFIG, data->config); | |
2260 | mutex_unlock(&data->update_lock); | |
2261 | return count; | |
2262 | } | |
2263 | ||
2264 | static DEVICE_ATTR(prochot_short, S_IRUGO | S_IWUSR, | |
2265 | show_prochot_short, store_prochot_short); | |
2266 | ||
2267 | static ssize_t show_vrdhot(struct device *dev, struct device_attribute *attr, | |
2268 | char *buf) | |
2269 | { | |
2270 | int nr = (to_sensor_dev_attr(attr))->index; | |
2271 | struct lm93_data *data = lm93_update_device(dev); | |
2272 | return sprintf(buf,"%d\n", | |
2273 | data->block1.host_status_1 & (1 << (nr+4)) ? 1 : 0); | |
2274 | } | |
2275 | ||
2276 | static SENSOR_DEVICE_ATTR(vrdhot1, S_IRUGO, show_vrdhot, NULL, 0); | |
2277 | static SENSOR_DEVICE_ATTR(vrdhot2, S_IRUGO, show_vrdhot, NULL, 1); | |
2278 | ||
2279 | static ssize_t show_gpio(struct device *dev, struct device_attribute *attr, | |
2280 | char *buf) | |
2281 | { | |
2282 | struct lm93_data *data = lm93_update_device(dev); | |
2283 | return sprintf(buf,"%d\n",LM93_GPI_FROM_REG(data->gpi)); | |
2284 | } | |
2285 | ||
2286 | static DEVICE_ATTR(gpio, S_IRUGO, show_gpio, NULL); | |
2287 | ||
2288 | static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, | |
2289 | char *buf) | |
2290 | { | |
2291 | struct lm93_data *data = lm93_update_device(dev); | |
2292 | return sprintf(buf,"%d\n",LM93_ALARMS_FROM_REG(data->block1)); | |
2293 | } | |
2294 | ||
2295 | static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); | |
2296 | ||
2297 | static struct attribute *lm93_attrs[] = { | |
2298 | &sensor_dev_attr_in1_input.dev_attr.attr, | |
2299 | &sensor_dev_attr_in2_input.dev_attr.attr, | |
2300 | &sensor_dev_attr_in3_input.dev_attr.attr, | |
2301 | &sensor_dev_attr_in4_input.dev_attr.attr, | |
2302 | &sensor_dev_attr_in5_input.dev_attr.attr, | |
2303 | &sensor_dev_attr_in6_input.dev_attr.attr, | |
2304 | &sensor_dev_attr_in7_input.dev_attr.attr, | |
2305 | &sensor_dev_attr_in8_input.dev_attr.attr, | |
2306 | &sensor_dev_attr_in9_input.dev_attr.attr, | |
2307 | &sensor_dev_attr_in10_input.dev_attr.attr, | |
2308 | &sensor_dev_attr_in11_input.dev_attr.attr, | |
2309 | &sensor_dev_attr_in12_input.dev_attr.attr, | |
2310 | &sensor_dev_attr_in13_input.dev_attr.attr, | |
2311 | &sensor_dev_attr_in14_input.dev_attr.attr, | |
2312 | &sensor_dev_attr_in15_input.dev_attr.attr, | |
2313 | &sensor_dev_attr_in16_input.dev_attr.attr, | |
2314 | &sensor_dev_attr_in1_min.dev_attr.attr, | |
2315 | &sensor_dev_attr_in2_min.dev_attr.attr, | |
2316 | &sensor_dev_attr_in3_min.dev_attr.attr, | |
2317 | &sensor_dev_attr_in4_min.dev_attr.attr, | |
2318 | &sensor_dev_attr_in5_min.dev_attr.attr, | |
2319 | &sensor_dev_attr_in6_min.dev_attr.attr, | |
2320 | &sensor_dev_attr_in7_min.dev_attr.attr, | |
2321 | &sensor_dev_attr_in8_min.dev_attr.attr, | |
2322 | &sensor_dev_attr_in9_min.dev_attr.attr, | |
2323 | &sensor_dev_attr_in10_min.dev_attr.attr, | |
2324 | &sensor_dev_attr_in11_min.dev_attr.attr, | |
2325 | &sensor_dev_attr_in12_min.dev_attr.attr, | |
2326 | &sensor_dev_attr_in13_min.dev_attr.attr, | |
2327 | &sensor_dev_attr_in14_min.dev_attr.attr, | |
2328 | &sensor_dev_attr_in15_min.dev_attr.attr, | |
2329 | &sensor_dev_attr_in16_min.dev_attr.attr, | |
2330 | &sensor_dev_attr_in1_max.dev_attr.attr, | |
2331 | &sensor_dev_attr_in2_max.dev_attr.attr, | |
2332 | &sensor_dev_attr_in3_max.dev_attr.attr, | |
2333 | &sensor_dev_attr_in4_max.dev_attr.attr, | |
2334 | &sensor_dev_attr_in5_max.dev_attr.attr, | |
2335 | &sensor_dev_attr_in6_max.dev_attr.attr, | |
2336 | &sensor_dev_attr_in7_max.dev_attr.attr, | |
2337 | &sensor_dev_attr_in8_max.dev_attr.attr, | |
2338 | &sensor_dev_attr_in9_max.dev_attr.attr, | |
2339 | &sensor_dev_attr_in10_max.dev_attr.attr, | |
2340 | &sensor_dev_attr_in11_max.dev_attr.attr, | |
2341 | &sensor_dev_attr_in12_max.dev_attr.attr, | |
2342 | &sensor_dev_attr_in13_max.dev_attr.attr, | |
2343 | &sensor_dev_attr_in14_max.dev_attr.attr, | |
2344 | &sensor_dev_attr_in15_max.dev_attr.attr, | |
2345 | &sensor_dev_attr_in16_max.dev_attr.attr, | |
2346 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
2347 | &sensor_dev_attr_temp2_input.dev_attr.attr, | |
2348 | &sensor_dev_attr_temp3_input.dev_attr.attr, | |
2349 | &sensor_dev_attr_temp1_min.dev_attr.attr, | |
2350 | &sensor_dev_attr_temp2_min.dev_attr.attr, | |
2351 | &sensor_dev_attr_temp3_min.dev_attr.attr, | |
2352 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
2353 | &sensor_dev_attr_temp2_max.dev_attr.attr, | |
2354 | &sensor_dev_attr_temp3_max.dev_attr.attr, | |
2355 | &sensor_dev_attr_temp1_auto_base.dev_attr.attr, | |
2356 | &sensor_dev_attr_temp2_auto_base.dev_attr.attr, | |
2357 | &sensor_dev_attr_temp3_auto_base.dev_attr.attr, | |
2358 | &sensor_dev_attr_temp1_auto_boost.dev_attr.attr, | |
2359 | &sensor_dev_attr_temp2_auto_boost.dev_attr.attr, | |
2360 | &sensor_dev_attr_temp3_auto_boost.dev_attr.attr, | |
2361 | &sensor_dev_attr_temp1_auto_boost_hyst.dev_attr.attr, | |
2362 | &sensor_dev_attr_temp2_auto_boost_hyst.dev_attr.attr, | |
2363 | &sensor_dev_attr_temp3_auto_boost_hyst.dev_attr.attr, | |
2364 | &sensor_dev_attr_temp1_auto_offset1.dev_attr.attr, | |
2365 | &sensor_dev_attr_temp1_auto_offset2.dev_attr.attr, | |
2366 | &sensor_dev_attr_temp1_auto_offset3.dev_attr.attr, | |
2367 | &sensor_dev_attr_temp1_auto_offset4.dev_attr.attr, | |
2368 | &sensor_dev_attr_temp1_auto_offset5.dev_attr.attr, | |
2369 | &sensor_dev_attr_temp1_auto_offset6.dev_attr.attr, | |
2370 | &sensor_dev_attr_temp1_auto_offset7.dev_attr.attr, | |
2371 | &sensor_dev_attr_temp1_auto_offset8.dev_attr.attr, | |
2372 | &sensor_dev_attr_temp1_auto_offset9.dev_attr.attr, | |
2373 | &sensor_dev_attr_temp1_auto_offset10.dev_attr.attr, | |
2374 | &sensor_dev_attr_temp1_auto_offset11.dev_attr.attr, | |
2375 | &sensor_dev_attr_temp1_auto_offset12.dev_attr.attr, | |
2376 | &sensor_dev_attr_temp2_auto_offset1.dev_attr.attr, | |
2377 | &sensor_dev_attr_temp2_auto_offset2.dev_attr.attr, | |
2378 | &sensor_dev_attr_temp2_auto_offset3.dev_attr.attr, | |
2379 | &sensor_dev_attr_temp2_auto_offset4.dev_attr.attr, | |
2380 | &sensor_dev_attr_temp2_auto_offset5.dev_attr.attr, | |
2381 | &sensor_dev_attr_temp2_auto_offset6.dev_attr.attr, | |
2382 | &sensor_dev_attr_temp2_auto_offset7.dev_attr.attr, | |
2383 | &sensor_dev_attr_temp2_auto_offset8.dev_attr.attr, | |
2384 | &sensor_dev_attr_temp2_auto_offset9.dev_attr.attr, | |
2385 | &sensor_dev_attr_temp2_auto_offset10.dev_attr.attr, | |
2386 | &sensor_dev_attr_temp2_auto_offset11.dev_attr.attr, | |
2387 | &sensor_dev_attr_temp2_auto_offset12.dev_attr.attr, | |
2388 | &sensor_dev_attr_temp3_auto_offset1.dev_attr.attr, | |
2389 | &sensor_dev_attr_temp3_auto_offset2.dev_attr.attr, | |
2390 | &sensor_dev_attr_temp3_auto_offset3.dev_attr.attr, | |
2391 | &sensor_dev_attr_temp3_auto_offset4.dev_attr.attr, | |
2392 | &sensor_dev_attr_temp3_auto_offset5.dev_attr.attr, | |
2393 | &sensor_dev_attr_temp3_auto_offset6.dev_attr.attr, | |
2394 | &sensor_dev_attr_temp3_auto_offset7.dev_attr.attr, | |
2395 | &sensor_dev_attr_temp3_auto_offset8.dev_attr.attr, | |
2396 | &sensor_dev_attr_temp3_auto_offset9.dev_attr.attr, | |
2397 | &sensor_dev_attr_temp3_auto_offset10.dev_attr.attr, | |
2398 | &sensor_dev_attr_temp3_auto_offset11.dev_attr.attr, | |
2399 | &sensor_dev_attr_temp3_auto_offset12.dev_attr.attr, | |
2400 | &sensor_dev_attr_temp1_auto_pwm_min.dev_attr.attr, | |
2401 | &sensor_dev_attr_temp2_auto_pwm_min.dev_attr.attr, | |
2402 | &sensor_dev_attr_temp3_auto_pwm_min.dev_attr.attr, | |
2403 | &sensor_dev_attr_temp1_auto_offset_hyst.dev_attr.attr, | |
2404 | &sensor_dev_attr_temp2_auto_offset_hyst.dev_attr.attr, | |
2405 | &sensor_dev_attr_temp3_auto_offset_hyst.dev_attr.attr, | |
2406 | &sensor_dev_attr_fan1_input.dev_attr.attr, | |
2407 | &sensor_dev_attr_fan2_input.dev_attr.attr, | |
2408 | &sensor_dev_attr_fan3_input.dev_attr.attr, | |
2409 | &sensor_dev_attr_fan4_input.dev_attr.attr, | |
2410 | &sensor_dev_attr_fan1_min.dev_attr.attr, | |
2411 | &sensor_dev_attr_fan2_min.dev_attr.attr, | |
2412 | &sensor_dev_attr_fan3_min.dev_attr.attr, | |
2413 | &sensor_dev_attr_fan4_min.dev_attr.attr, | |
2414 | &sensor_dev_attr_fan1_smart_tach.dev_attr.attr, | |
2415 | &sensor_dev_attr_fan2_smart_tach.dev_attr.attr, | |
2416 | &sensor_dev_attr_fan3_smart_tach.dev_attr.attr, | |
2417 | &sensor_dev_attr_fan4_smart_tach.dev_attr.attr, | |
2418 | &sensor_dev_attr_pwm1.dev_attr.attr, | |
2419 | &sensor_dev_attr_pwm2.dev_attr.attr, | |
2420 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, | |
2421 | &sensor_dev_attr_pwm2_enable.dev_attr.attr, | |
2422 | &sensor_dev_attr_pwm1_freq.dev_attr.attr, | |
2423 | &sensor_dev_attr_pwm2_freq.dev_attr.attr, | |
2424 | &sensor_dev_attr_pwm1_auto_channels.dev_attr.attr, | |
2425 | &sensor_dev_attr_pwm2_auto_channels.dev_attr.attr, | |
2426 | &sensor_dev_attr_pwm1_auto_spinup_min.dev_attr.attr, | |
2427 | &sensor_dev_attr_pwm2_auto_spinup_min.dev_attr.attr, | |
2428 | &sensor_dev_attr_pwm1_auto_spinup_time.dev_attr.attr, | |
2429 | &sensor_dev_attr_pwm2_auto_spinup_time.dev_attr.attr, | |
2430 | &dev_attr_pwm_auto_prochot_ramp.attr, | |
2431 | &dev_attr_pwm_auto_vrdhot_ramp.attr, | |
e7f62303 JD |
2432 | &sensor_dev_attr_cpu0_vid.dev_attr.attr, |
2433 | &sensor_dev_attr_cpu1_vid.dev_attr.attr, | |
e46957ed HJK |
2434 | &sensor_dev_attr_prochot1.dev_attr.attr, |
2435 | &sensor_dev_attr_prochot2.dev_attr.attr, | |
2436 | &sensor_dev_attr_prochot1_avg.dev_attr.attr, | |
2437 | &sensor_dev_attr_prochot2_avg.dev_attr.attr, | |
2438 | &sensor_dev_attr_prochot1_max.dev_attr.attr, | |
2439 | &sensor_dev_attr_prochot2_max.dev_attr.attr, | |
2440 | &sensor_dev_attr_prochot1_override.dev_attr.attr, | |
2441 | &sensor_dev_attr_prochot2_override.dev_attr.attr, | |
2442 | &sensor_dev_attr_prochot1_interval.dev_attr.attr, | |
2443 | &sensor_dev_attr_prochot2_interval.dev_attr.attr, | |
2444 | &dev_attr_prochot_override_duty_cycle.attr, | |
2445 | &dev_attr_prochot_short.attr, | |
2446 | &sensor_dev_attr_vrdhot1.dev_attr.attr, | |
2447 | &sensor_dev_attr_vrdhot2.dev_attr.attr, | |
2448 | &dev_attr_gpio.attr, | |
2449 | &dev_attr_alarms.attr, | |
2450 | NULL | |
2451 | }; | |
2452 | ||
2453 | static struct attribute_group lm93_attr_grp = { | |
2454 | .attrs = lm93_attrs, | |
2455 | }; | |
2456 | ||
2457 | static void lm93_init_client(struct i2c_client *client) | |
2458 | { | |
2459 | int i; | |
2460 | u8 reg; | |
2461 | ||
2462 | /* configure VID pin input thresholds */ | |
2463 | reg = lm93_read_byte(client, LM93_REG_GPI_VID_CTL); | |
2464 | lm93_write_byte(client, LM93_REG_GPI_VID_CTL, | |
2465 | reg | (vid_agtl ? 0x03 : 0x00)); | |
2466 | ||
2467 | if (init) { | |
2468 | /* enable #ALERT pin */ | |
2469 | reg = lm93_read_byte(client, LM93_REG_CONFIG); | |
2470 | lm93_write_byte(client, LM93_REG_CONFIG, reg | 0x08); | |
2471 | ||
2472 | /* enable ASF mode for BMC status registers */ | |
2473 | reg = lm93_read_byte(client, LM93_REG_STATUS_CONTROL); | |
2474 | lm93_write_byte(client, LM93_REG_STATUS_CONTROL, reg | 0x02); | |
2475 | ||
2476 | /* set sleep state to S0 */ | |
2477 | lm93_write_byte(client, LM93_REG_SLEEP_CONTROL, 0); | |
2478 | ||
2479 | /* unmask #VRDHOT and dynamic VCCP (if nec) error events */ | |
2480 | reg = lm93_read_byte(client, LM93_REG_MISC_ERR_MASK); | |
2481 | reg &= ~0x03; | |
2482 | reg &= ~(vccp_limit_type[0] ? 0x10 : 0); | |
2483 | reg &= ~(vccp_limit_type[1] ? 0x20 : 0); | |
2484 | lm93_write_byte(client, LM93_REG_MISC_ERR_MASK, reg); | |
2485 | } | |
2486 | ||
2487 | /* start monitoring */ | |
2488 | reg = lm93_read_byte(client, LM93_REG_CONFIG); | |
2489 | lm93_write_byte(client, LM93_REG_CONFIG, reg | 0x01); | |
2490 | ||
2491 | /* spin until ready */ | |
2492 | for (i=0; i<20; i++) { | |
2493 | msleep(10); | |
2494 | if ((lm93_read_byte(client, LM93_REG_CONFIG) & 0x80) == 0x80) | |
2495 | return; | |
2496 | } | |
2497 | ||
2498 | dev_warn(&client->dev,"timed out waiting for sensor " | |
2499 | "chip to signal ready!\n"); | |
2500 | } | |
2501 | ||
70b72406 | 2502 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
310ec792 | 2503 | static int lm93_detect(struct i2c_client *client, struct i2c_board_info *info) |
e46957ed | 2504 | { |
70b72406 | 2505 | struct i2c_adapter *adapter = client->adapter; |
52df6440 | 2506 | int mfr, ver; |
e46957ed | 2507 | |
70b72406 JD |
2508 | if (!i2c_check_functionality(adapter, LM93_SMBUS_FUNC_MIN)) |
2509 | return -ENODEV; | |
e46957ed HJK |
2510 | |
2511 | /* detection */ | |
52df6440 JD |
2512 | mfr = lm93_read_byte(client, LM93_REG_MFR_ID); |
2513 | if (mfr != 0x01) { | |
2514 | dev_dbg(&adapter->dev, | |
2515 | "detect failed, bad manufacturer id 0x%02x!\n", mfr); | |
2516 | return -ENODEV; | |
e46957ed HJK |
2517 | } |
2518 | ||
52df6440 JD |
2519 | ver = lm93_read_byte(client, LM93_REG_VER); |
2520 | if (ver != LM93_MFR_ID && ver != LM93_MFR_ID_PROTOTYPE) { | |
2521 | dev_dbg(&adapter->dev, | |
2522 | "detect failed, bad version id 0x%02x!\n", ver); | |
2523 | return -ENODEV; | |
e46957ed HJK |
2524 | } |
2525 | ||
70b72406 | 2526 | strlcpy(info->type, "lm93", I2C_NAME_SIZE); |
e46957ed HJK |
2527 | dev_dbg(&adapter->dev,"loading %s at %d,0x%02x\n", |
2528 | client->name, i2c_adapter_id(client->adapter), | |
2529 | client->addr); | |
2530 | ||
70b72406 JD |
2531 | return 0; |
2532 | } | |
2533 | ||
2534 | static int lm93_probe(struct i2c_client *client, | |
2535 | const struct i2c_device_id *id) | |
2536 | { | |
2537 | struct lm93_data *data; | |
2538 | int err, func; | |
2539 | void (*update)(struct lm93_data *, struct i2c_client *); | |
2540 | ||
2541 | /* choose update routine based on bus capabilities */ | |
2542 | func = i2c_get_functionality(client->adapter); | |
2543 | if (((LM93_SMBUS_FUNC_FULL & func) == LM93_SMBUS_FUNC_FULL) && | |
2544 | (!disable_block)) { | |
2545 | dev_dbg(&client->dev, "using SMBus block data transactions\n"); | |
2546 | update = lm93_update_client_full; | |
2547 | } else if ((LM93_SMBUS_FUNC_MIN & func) == LM93_SMBUS_FUNC_MIN) { | |
2548 | dev_dbg(&client->dev, "disabled SMBus block data " | |
2549 | "transactions\n"); | |
2550 | update = lm93_update_client_min; | |
2551 | } else { | |
2552 | dev_dbg(&client->dev, "detect failed, " | |
2553 | "smbus byte and/or word data not supported!\n"); | |
2554 | err = -ENODEV; | |
2555 | goto err_out; | |
2556 | } | |
2557 | ||
2558 | data = kzalloc(sizeof(struct lm93_data), GFP_KERNEL); | |
2559 | if (!data) { | |
2560 | dev_dbg(&client->dev, "out of memory!\n"); | |
2561 | err = -ENOMEM; | |
2562 | goto err_out; | |
2563 | } | |
2564 | i2c_set_clientdata(client, data); | |
2565 | ||
e46957ed HJK |
2566 | /* housekeeping */ |
2567 | data->valid = 0; | |
2568 | data->update = update; | |
2569 | mutex_init(&data->update_lock); | |
2570 | ||
e46957ed HJK |
2571 | /* initialize the chip */ |
2572 | lm93_init_client(client); | |
2573 | ||
2574 | err = sysfs_create_group(&client->dev.kobj, &lm93_attr_grp); | |
2575 | if (err) | |
70b72406 | 2576 | goto err_free; |
e46957ed HJK |
2577 | |
2578 | /* Register hwmon driver class */ | |
1beeffe4 TJ |
2579 | data->hwmon_dev = hwmon_device_register(&client->dev); |
2580 | if ( !IS_ERR(data->hwmon_dev)) | |
e46957ed HJK |
2581 | return 0; |
2582 | ||
1beeffe4 | 2583 | err = PTR_ERR(data->hwmon_dev); |
e46957ed HJK |
2584 | dev_err(&client->dev, "error registering hwmon device.\n"); |
2585 | sysfs_remove_group(&client->dev.kobj, &lm93_attr_grp); | |
e46957ed HJK |
2586 | err_free: |
2587 | kfree(data); | |
2588 | err_out: | |
2589 | return err; | |
2590 | } | |
2591 | ||
70b72406 | 2592 | static int lm93_remove(struct i2c_client *client) |
e46957ed HJK |
2593 | { |
2594 | struct lm93_data *data = i2c_get_clientdata(client); | |
e46957ed | 2595 | |
1beeffe4 | 2596 | hwmon_device_unregister(data->hwmon_dev); |
e46957ed HJK |
2597 | sysfs_remove_group(&client->dev.kobj, &lm93_attr_grp); |
2598 | ||
70b72406 JD |
2599 | kfree(data); |
2600 | return 0; | |
e46957ed HJK |
2601 | } |
2602 | ||
70b72406 | 2603 | static const struct i2c_device_id lm93_id[] = { |
1f86df49 | 2604 | { "lm93", 0 }, |
70b72406 JD |
2605 | { } |
2606 | }; | |
2607 | MODULE_DEVICE_TABLE(i2c, lm93_id); | |
2608 | ||
e46957ed | 2609 | static struct i2c_driver lm93_driver = { |
70b72406 | 2610 | .class = I2C_CLASS_HWMON, |
e46957ed HJK |
2611 | .driver = { |
2612 | .name = "lm93", | |
2613 | }, | |
70b72406 JD |
2614 | .probe = lm93_probe, |
2615 | .remove = lm93_remove, | |
2616 | .id_table = lm93_id, | |
2617 | .detect = lm93_detect, | |
c3813d6a | 2618 | .address_list = normal_i2c, |
e46957ed HJK |
2619 | }; |
2620 | ||
2621 | static int __init lm93_init(void) | |
2622 | { | |
2623 | return i2c_add_driver(&lm93_driver); | |
2624 | } | |
2625 | ||
2626 | static void __exit lm93_exit(void) | |
2627 | { | |
2628 | i2c_del_driver(&lm93_driver); | |
2629 | } | |
2630 | ||
2631 | MODULE_AUTHOR("Mark M. Hoffman <mhoffman@lightlink.com>, " | |
2632 | "Hans J. Koch <hjk@linutronix.de"); | |
2633 | MODULE_DESCRIPTION("LM93 driver"); | |
2634 | MODULE_LICENSE("GPL"); | |
2635 | ||
2636 | module_init(lm93_init); | |
2637 | module_exit(lm93_exit); |