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e46957ed | 1 | /* |
2804a4cf GR |
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: | |
7c81c60f | 15 | * Copyright (c) 2003-2004 Jean Delvare <jdelvare@suse.de> |
2804a4cf GR |
16 | * |
17 | * Ported to Linux 2.6 by Eric J. Bowersox <ericb@aspsys.com> | |
18 | * Copyright (c) 2005 Aspen Systems, Inc. | |
19 | * | |
20 | * Adapted to 2.6.20 by Carsten Emde <cbe@osadl.org> | |
21 | * Copyright (c) 2006 Carsten Emde, Open Source Automation Development Lab | |
22 | * | |
23 | * Modified for mainline integration by Hans J. Koch <hjk@hansjkoch.de> | |
24 | * Copyright (c) 2007 Hans J. Koch, Linutronix GmbH | |
25 | * | |
26 | * This program is free software; you can redistribute it and/or modify | |
27 | * it under the terms of the GNU General Public License as published by | |
28 | * the Free Software Foundation; either version 2 of the License, or | |
29 | * (at your option) any later version. | |
30 | * | |
31 | * This program is distributed in the hope that it will be useful, | |
32 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
33 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
34 | * GNU General Public License for more details. | |
35 | * | |
36 | * You should have received a copy of the GNU General Public License | |
37 | * along with this program; if not, write to the Free Software | |
38 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
39 | */ | |
e46957ed HJK |
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> | |
dcd8f392 | 50 | #include <linux/jiffies.h> |
e46957ed HJK |
51 | |
52 | /* LM93 REGISTER ADDRESSES */ | |
53 | ||
54 | /* miscellaneous */ | |
55 | #define LM93_REG_MFR_ID 0x3e | |
56 | #define LM93_REG_VER 0x3f | |
57 | #define LM93_REG_STATUS_CONTROL 0xe2 | |
58 | #define LM93_REG_CONFIG 0xe3 | |
59 | #define LM93_REG_SLEEP_CONTROL 0xe4 | |
60 | ||
61 | /* alarm values start here */ | |
62 | #define LM93_REG_HOST_ERROR_1 0x48 | |
63 | ||
64 | /* voltage inputs: in1-in16 (nr => 0-15) */ | |
65 | #define LM93_REG_IN(nr) (0x56 + (nr)) | |
66 | #define LM93_REG_IN_MIN(nr) (0x90 + (nr) * 2) | |
67 | #define LM93_REG_IN_MAX(nr) (0x91 + (nr) * 2) | |
68 | ||
69 | /* temperature inputs: temp1-temp4 (nr => 0-3) */ | |
70 | #define LM93_REG_TEMP(nr) (0x50 + (nr)) | |
71 | #define LM93_REG_TEMP_MIN(nr) (0x78 + (nr) * 2) | |
72 | #define LM93_REG_TEMP_MAX(nr) (0x79 + (nr) * 2) | |
73 | ||
74 | /* temp[1-4]_auto_boost (nr => 0-3) */ | |
75 | #define LM93_REG_BOOST(nr) (0x80 + (nr)) | |
76 | ||
77 | /* #PROCHOT inputs: prochot1-prochot2 (nr => 0-1) */ | |
78 | #define LM93_REG_PROCHOT_CUR(nr) (0x67 + (nr) * 2) | |
79 | #define LM93_REG_PROCHOT_AVG(nr) (0x68 + (nr) * 2) | |
80 | #define LM93_REG_PROCHOT_MAX(nr) (0xb0 + (nr)) | |
81 | ||
82 | /* fan tach inputs: fan1-fan4 (nr => 0-3) */ | |
83 | #define LM93_REG_FAN(nr) (0x6e + (nr) * 2) | |
84 | #define LM93_REG_FAN_MIN(nr) (0xb4 + (nr) * 2) | |
85 | ||
86 | /* pwm outputs: pwm1-pwm2 (nr => 0-1, reg => 0-3) */ | |
2804a4cf | 87 | #define LM93_REG_PWM_CTL(nr, reg) (0xc8 + (reg) + (nr) * 4) |
e46957ed HJK |
88 | #define LM93_PWM_CTL1 0x0 |
89 | #define LM93_PWM_CTL2 0x1 | |
90 | #define LM93_PWM_CTL3 0x2 | |
91 | #define LM93_PWM_CTL4 0x3 | |
92 | ||
93 | /* GPIO input state */ | |
94 | #define LM93_REG_GPI 0x6b | |
95 | ||
96 | /* vid inputs: vid1-vid2 (nr => 0-1) */ | |
97 | #define LM93_REG_VID(nr) (0x6c + (nr)) | |
98 | ||
99 | /* vccp1 & vccp2: VID relative inputs (nr => 0-1) */ | |
100 | #define LM93_REG_VCCP_LIMIT_OFF(nr) (0xb2 + (nr)) | |
101 | ||
102 | /* temp[1-4]_auto_boost_hyst */ | |
103 | #define LM93_REG_BOOST_HYST_12 0xc0 | |
104 | #define LM93_REG_BOOST_HYST_34 0xc1 | |
105 | #define LM93_REG_BOOST_HYST(nr) (0xc0 + (nr)/2) | |
106 | ||
107 | /* temp[1-4]_auto_pwm_[min|hyst] */ | |
108 | #define LM93_REG_PWM_MIN_HYST_12 0xc3 | |
109 | #define LM93_REG_PWM_MIN_HYST_34 0xc4 | |
110 | #define LM93_REG_PWM_MIN_HYST(nr) (0xc3 + (nr)/2) | |
111 | ||
112 | /* prochot_override & prochot_interval */ | |
113 | #define LM93_REG_PROCHOT_OVERRIDE 0xc6 | |
114 | #define LM93_REG_PROCHOT_INTERVAL 0xc7 | |
115 | ||
116 | /* temp[1-4]_auto_base (nr => 0-3) */ | |
117 | #define LM93_REG_TEMP_BASE(nr) (0xd0 + (nr)) | |
118 | ||
119 | /* temp[1-4]_auto_offsets (step => 0-11) */ | |
120 | #define LM93_REG_TEMP_OFFSET(step) (0xd4 + (step)) | |
121 | ||
122 | /* #PROCHOT & #VRDHOT PWM ramp control */ | |
123 | #define LM93_REG_PWM_RAMP_CTL 0xbf | |
124 | ||
125 | /* miscellaneous */ | |
126 | #define LM93_REG_SFC1 0xbc | |
127 | #define LM93_REG_SFC2 0xbd | |
128 | #define LM93_REG_GPI_VID_CTL 0xbe | |
129 | #define LM93_REG_SF_TACH_TO_PWM 0xe0 | |
130 | ||
131 | /* error masks */ | |
132 | #define LM93_REG_GPI_ERR_MASK 0xec | |
133 | #define LM93_REG_MISC_ERR_MASK 0xed | |
134 | ||
135 | /* LM93 REGISTER VALUES */ | |
136 | #define LM93_MFR_ID 0x73 | |
137 | #define LM93_MFR_ID_PROTOTYPE 0x72 | |
138 | ||
c7bf71c5 GR |
139 | /* LM94 REGISTER VALUES */ |
140 | #define LM94_MFR_ID_2 0x7a | |
141 | #define LM94_MFR_ID 0x79 | |
142 | #define LM94_MFR_ID_PROTOTYPE 0x78 | |
143 | ||
e46957ed HJK |
144 | /* SMBus capabilities */ |
145 | #define LM93_SMBUS_FUNC_FULL (I2C_FUNC_SMBUS_BYTE_DATA | \ | |
146 | I2C_FUNC_SMBUS_WORD_DATA | I2C_FUNC_SMBUS_BLOCK_DATA) | |
147 | #define LM93_SMBUS_FUNC_MIN (I2C_FUNC_SMBUS_BYTE_DATA | \ | |
148 | I2C_FUNC_SMBUS_WORD_DATA) | |
149 | ||
150 | /* Addresses to scan */ | |
25e9c86d | 151 | static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; |
e46957ed HJK |
152 | |
153 | /* Insmod parameters */ | |
e46957ed | 154 | |
90ab5ee9 | 155 | static bool disable_block; |
e46957ed HJK |
156 | module_param(disable_block, bool, 0); |
157 | MODULE_PARM_DESC(disable_block, | |
158 | "Set to non-zero to disable SMBus block data transactions."); | |
159 | ||
90ab5ee9 | 160 | static bool init; |
e46957ed HJK |
161 | module_param(init, bool, 0); |
162 | MODULE_PARM_DESC(init, "Set to non-zero to force chip initialization."); | |
163 | ||
2804a4cf | 164 | static int vccp_limit_type[2] = {0, 0}; |
e46957ed HJK |
165 | module_param_array(vccp_limit_type, int, NULL, 0); |
166 | MODULE_PARM_DESC(vccp_limit_type, "Configures in7 and in8 limit modes."); | |
167 | ||
168 | static int vid_agtl; | |
169 | module_param(vid_agtl, int, 0); | |
170 | MODULE_PARM_DESC(vid_agtl, "Configures VID pin input thresholds."); | |
171 | ||
172 | /* Driver data */ | |
173 | static struct i2c_driver lm93_driver; | |
174 | ||
175 | /* LM93 BLOCK READ COMMANDS */ | |
176 | static const struct { u8 cmd; u8 len; } lm93_block_read_cmds[12] = { | |
177 | { 0xf2, 8 }, | |
178 | { 0xf3, 8 }, | |
179 | { 0xf4, 6 }, | |
180 | { 0xf5, 16 }, | |
181 | { 0xf6, 4 }, | |
182 | { 0xf7, 8 }, | |
183 | { 0xf8, 12 }, | |
184 | { 0xf9, 32 }, | |
185 | { 0xfa, 8 }, | |
186 | { 0xfb, 8 }, | |
187 | { 0xfc, 16 }, | |
188 | { 0xfd, 9 }, | |
189 | }; | |
190 | ||
2804a4cf GR |
191 | /* |
192 | * ALARMS: SYSCTL format described further below | |
193 | * REG: 64 bits in 8 registers, as immediately below | |
194 | */ | |
e46957ed HJK |
195 | struct block1_t { |
196 | u8 host_status_1; | |
197 | u8 host_status_2; | |
198 | u8 host_status_3; | |
199 | u8 host_status_4; | |
200 | u8 p1_prochot_status; | |
201 | u8 p2_prochot_status; | |
202 | u8 gpi_status; | |
203 | u8 fan_status; | |
204 | }; | |
205 | ||
206 | /* | |
207 | * Client-specific data | |
208 | */ | |
209 | struct lm93_data { | |
6579d589 | 210 | struct i2c_client *client; |
e46957ed HJK |
211 | |
212 | struct mutex update_lock; | |
213 | unsigned long last_updated; /* In jiffies */ | |
214 | ||
215 | /* client update function */ | |
216 | void (*update)(struct lm93_data *, struct i2c_client *); | |
217 | ||
218 | char valid; /* !=0 if following fields are valid */ | |
219 | ||
220 | /* register values, arranged by block read groups */ | |
221 | struct block1_t block1; | |
222 | ||
2804a4cf GR |
223 | /* |
224 | * temp1 - temp4: unfiltered readings | |
225 | * temp1 - temp2: filtered readings | |
226 | */ | |
e46957ed HJK |
227 | u8 block2[6]; |
228 | ||
229 | /* vin1 - vin16: readings */ | |
230 | u8 block3[16]; | |
231 | ||
232 | /* prochot1 - prochot2: readings */ | |
233 | struct { | |
234 | u8 cur; | |
235 | u8 avg; | |
236 | } block4[2]; | |
237 | ||
238 | /* fan counts 1-4 => 14-bits, LE, *left* justified */ | |
239 | u16 block5[4]; | |
240 | ||
241 | /* block6 has a lot of data we don't need */ | |
242 | struct { | |
243 | u8 min; | |
244 | u8 max; | |
f08a3487 | 245 | } temp_lim[4]; |
e46957ed HJK |
246 | |
247 | /* vin1 - vin16: low and high limits */ | |
248 | struct { | |
249 | u8 min; | |
250 | u8 max; | |
251 | } block7[16]; | |
252 | ||
253 | /* fan count limits 1-4 => same format as block5 */ | |
254 | u16 block8[4]; | |
255 | ||
256 | /* pwm control registers (2 pwms, 4 regs) */ | |
257 | u8 block9[2][4]; | |
258 | ||
259 | /* auto/pwm base temp and offset temp registers */ | |
260 | struct { | |
261 | u8 base[4]; | |
262 | u8 offset[12]; | |
263 | } block10; | |
264 | ||
265 | /* master config register */ | |
266 | u8 config; | |
267 | ||
268 | /* VID1 & VID2 => register format, 6-bits, right justified */ | |
269 | u8 vid[2]; | |
270 | ||
271 | /* prochot1 - prochot2: limits */ | |
272 | u8 prochot_max[2]; | |
273 | ||
274 | /* vccp1 & vccp2 (in7 & in8): VID relative limits (register format) */ | |
275 | u8 vccp_limits[2]; | |
276 | ||
277 | /* GPIO input state (register format, i.e. inverted) */ | |
278 | u8 gpi; | |
279 | ||
280 | /* #PROCHOT override (register format) */ | |
281 | u8 prochot_override; | |
282 | ||
283 | /* #PROCHOT intervals (register format) */ | |
284 | u8 prochot_interval; | |
285 | ||
286 | /* Fan Boost Temperatures (register format) */ | |
287 | u8 boost[4]; | |
288 | ||
289 | /* Fan Boost Hysteresis (register format) */ | |
290 | u8 boost_hyst[2]; | |
291 | ||
292 | /* Temperature Zone Min. PWM & Hysteresis (register format) */ | |
293 | u8 auto_pwm_min_hyst[2]; | |
294 | ||
295 | /* #PROCHOT & #VRDHOT PWM Ramp Control */ | |
296 | u8 pwm_ramp_ctl; | |
297 | ||
298 | /* miscellaneous setup regs */ | |
299 | u8 sfc1; | |
300 | u8 sfc2; | |
301 | u8 sf_tach_to_pwm; | |
302 | ||
2804a4cf GR |
303 | /* |
304 | * The two PWM CTL2 registers can read something other than what was | |
305 | * last written for the OVR_DC field (duty cycle override). So, we | |
306 | * save the user-commanded value here. | |
307 | */ | |
e46957ed HJK |
308 | u8 pwm_override[2]; |
309 | }; | |
310 | ||
2804a4cf GR |
311 | /* |
312 | * VID: mV | |
313 | * REG: 6-bits, right justified, *always* using Intel VRM/VRD 10 | |
314 | */ | |
e46957ed HJK |
315 | static int LM93_VID_FROM_REG(u8 reg) |
316 | { | |
317 | return vid_from_reg((reg & 0x3f), 100); | |
318 | } | |
319 | ||
320 | /* min, max, and nominal register values, per channel (u8) */ | |
321 | static const u8 lm93_vin_reg_min[16] = { | |
322 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
323 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xae, | |
324 | }; | |
325 | static const u8 lm93_vin_reg_max[16] = { | |
326 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, | |
327 | 0xff, 0xfa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xd1, | |
328 | }; | |
2804a4cf GR |
329 | /* |
330 | * Values from the datasheet. They're here for documentation only. | |
331 | * static const u8 lm93_vin_reg_nom[16] = { | |
332 | * 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, | |
333 | * 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x40, 0xc0, | |
334 | * }; | |
335 | */ | |
e46957ed HJK |
336 | |
337 | /* min, max, and nominal voltage readings, per channel (mV)*/ | |
338 | static const unsigned long lm93_vin_val_min[16] = { | |
339 | 0, 0, 0, 0, 0, 0, 0, 0, | |
340 | 0, 0, 0, 0, 0, 0, 0, 3000, | |
341 | }; | |
342 | ||
343 | static const unsigned long lm93_vin_val_max[16] = { | |
344 | 1236, 1236, 1236, 1600, 2000, 2000, 1600, 1600, | |
345 | 4400, 6500, 3333, 2625, 1312, 1312, 1236, 3600, | |
346 | }; | |
2804a4cf GR |
347 | /* |
348 | * Values from the datasheet. They're here for documentation only. | |
349 | * static const unsigned long lm93_vin_val_nom[16] = { | |
350 | * 927, 927, 927, 1200, 1500, 1500, 1200, 1200, | |
351 | * 3300, 5000, 2500, 1969, 984, 984, 309, 3300, | |
352 | * }; | |
353 | */ | |
e46957ed HJK |
354 | |
355 | static unsigned LM93_IN_FROM_REG(int nr, u8 reg) | |
356 | { | |
088ce2ac GR |
357 | const long uv_max = lm93_vin_val_max[nr] * 1000; |
358 | const long uv_min = lm93_vin_val_min[nr] * 1000; | |
e46957ed | 359 | |
088ce2ac | 360 | const long slope = (uv_max - uv_min) / |
e46957ed | 361 | (lm93_vin_reg_max[nr] - lm93_vin_reg_min[nr]); |
088ce2ac | 362 | const long intercept = uv_min - slope * lm93_vin_reg_min[nr]; |
e46957ed HJK |
363 | |
364 | return (slope * reg + intercept + 500) / 1000; | |
365 | } | |
366 | ||
2804a4cf GR |
367 | /* |
368 | * IN: mV, limits determined by channel nr | |
369 | * REG: scaling determined by channel nr | |
370 | */ | |
e46957ed HJK |
371 | static u8 LM93_IN_TO_REG(int nr, unsigned val) |
372 | { | |
373 | /* range limit */ | |
088ce2ac | 374 | const long mv = clamp_val(val, |
2a844c14 | 375 | lm93_vin_val_min[nr], lm93_vin_val_max[nr]); |
e46957ed HJK |
376 | |
377 | /* try not to lose too much precision here */ | |
088ce2ac GR |
378 | const long uv = mv * 1000; |
379 | const long uv_max = lm93_vin_val_max[nr] * 1000; | |
380 | const long uv_min = lm93_vin_val_min[nr] * 1000; | |
e46957ed HJK |
381 | |
382 | /* convert */ | |
088ce2ac | 383 | const long slope = (uv_max - uv_min) / |
e46957ed | 384 | (lm93_vin_reg_max[nr] - lm93_vin_reg_min[nr]); |
088ce2ac | 385 | const long intercept = uv_min - slope * lm93_vin_reg_min[nr]; |
e46957ed | 386 | |
088ce2ac | 387 | u8 result = ((uv - intercept + (slope/2)) / slope); |
2a844c14 GR |
388 | result = clamp_val(result, |
389 | lm93_vin_reg_min[nr], lm93_vin_reg_max[nr]); | |
e46957ed HJK |
390 | return result; |
391 | } | |
392 | ||
393 | /* vid in mV, upper == 0 indicates low limit, otherwise upper limit */ | |
394 | static unsigned LM93_IN_REL_FROM_REG(u8 reg, int upper, int vid) | |
395 | { | |
088ce2ac | 396 | const long uv_offset = upper ? (((reg >> 4 & 0x0f) + 1) * 12500) : |
e46957ed | 397 | (((reg >> 0 & 0x0f) + 1) * -25000); |
088ce2ac GR |
398 | const long uv_vid = vid * 1000; |
399 | return (uv_vid + uv_offset + 5000) / 10000; | |
e46957ed HJK |
400 | } |
401 | ||
2804a4cf GR |
402 | #define LM93_IN_MIN_FROM_REG(reg, vid) LM93_IN_REL_FROM_REG((reg), 0, (vid)) |
403 | #define LM93_IN_MAX_FROM_REG(reg, vid) LM93_IN_REL_FROM_REG((reg), 1, (vid)) | |
e46957ed | 404 | |
2804a4cf GR |
405 | /* |
406 | * vid in mV , upper == 0 indicates low limit, otherwise upper limit | |
407 | * upper also determines which nibble of the register is returned | |
408 | * (the other nibble will be 0x0) | |
409 | */ | |
e46957ed HJK |
410 | static u8 LM93_IN_REL_TO_REG(unsigned val, int upper, int vid) |
411 | { | |
088ce2ac | 412 | long uv_offset = vid * 1000 - val * 10000; |
e46957ed | 413 | if (upper) { |
088ce2ac GR |
414 | uv_offset = clamp_val(uv_offset, 12500, 200000); |
415 | return (u8)((uv_offset / 12500 - 1) << 4); | |
e46957ed | 416 | } else { |
088ce2ac GR |
417 | uv_offset = clamp_val(uv_offset, -400000, -25000); |
418 | return (u8)((uv_offset / -25000 - 1) << 0); | |
e46957ed HJK |
419 | } |
420 | } | |
421 | ||
2804a4cf GR |
422 | /* |
423 | * TEMP: 1/1000 degrees C (-128C to +127C) | |
424 | * REG: 1C/bit, two's complement | |
425 | */ | |
e46957ed HJK |
426 | static int LM93_TEMP_FROM_REG(u8 reg) |
427 | { | |
428 | return (s8)reg * 1000; | |
429 | } | |
430 | ||
431 | #define LM93_TEMP_MIN (-128000) | |
2804a4cf | 432 | #define LM93_TEMP_MAX (127000) |
e46957ed | 433 | |
2804a4cf GR |
434 | /* |
435 | * TEMP: 1/1000 degrees C (-128C to +127C) | |
436 | * REG: 1C/bit, two's complement | |
437 | */ | |
5bfedac0 | 438 | static u8 LM93_TEMP_TO_REG(long temp) |
e46957ed | 439 | { |
2a844c14 | 440 | int ntemp = clamp_val(temp, LM93_TEMP_MIN, LM93_TEMP_MAX); |
2804a4cf | 441 | ntemp += (ntemp < 0 ? -500 : 500); |
e46957ed HJK |
442 | return (u8)(ntemp / 1000); |
443 | } | |
444 | ||
445 | /* Determine 4-bit temperature offset resolution */ | |
446 | static int LM93_TEMP_OFFSET_MODE_FROM_REG(u8 sfc2, int nr) | |
447 | { | |
448 | /* mode: 0 => 1C/bit, nonzero => 0.5C/bit */ | |
449 | return sfc2 & (nr < 2 ? 0x10 : 0x20); | |
450 | } | |
451 | ||
2804a4cf GR |
452 | /* |
453 | * This function is common to all 4-bit temperature offsets | |
454 | * reg is 4 bits right justified | |
455 | * mode 0 => 1C/bit, mode !0 => 0.5C/bit | |
456 | */ | |
e46957ed HJK |
457 | static int LM93_TEMP_OFFSET_FROM_REG(u8 reg, int mode) |
458 | { | |
459 | return (reg & 0x0f) * (mode ? 5 : 10); | |
460 | } | |
461 | ||
2804a4cf | 462 | #define LM93_TEMP_OFFSET_MIN (0) |
e46957ed | 463 | #define LM93_TEMP_OFFSET_MAX0 (150) |
2804a4cf | 464 | #define LM93_TEMP_OFFSET_MAX1 (75) |
e46957ed | 465 | |
2804a4cf GR |
466 | /* |
467 | * This function is common to all 4-bit temperature offsets | |
468 | * returns 4 bits right justified | |
469 | * mode 0 => 1C/bit, mode !0 => 0.5C/bit | |
470 | */ | |
e46957ed HJK |
471 | static u8 LM93_TEMP_OFFSET_TO_REG(int off, int mode) |
472 | { | |
473 | int factor = mode ? 5 : 10; | |
474 | ||
2a844c14 | 475 | off = clamp_val(off, LM93_TEMP_OFFSET_MIN, |
e46957ed HJK |
476 | mode ? LM93_TEMP_OFFSET_MAX1 : LM93_TEMP_OFFSET_MAX0); |
477 | return (u8)((off + factor/2) / factor); | |
478 | } | |
479 | ||
480 | /* 0 <= nr <= 3 */ | |
481 | static int LM93_TEMP_AUTO_OFFSET_FROM_REG(u8 reg, int nr, int mode) | |
482 | { | |
483 | /* temp1-temp2 (nr=0,1) use lower nibble */ | |
484 | if (nr < 2) | |
485 | return LM93_TEMP_OFFSET_FROM_REG(reg & 0x0f, mode); | |
486 | ||
487 | /* temp3-temp4 (nr=2,3) use upper nibble */ | |
488 | else | |
489 | return LM93_TEMP_OFFSET_FROM_REG(reg >> 4 & 0x0f, mode); | |
490 | } | |
491 | ||
2804a4cf GR |
492 | /* |
493 | * TEMP: 1/10 degrees C (0C to +15C (mode 0) or +7.5C (mode non-zero)) | |
494 | * REG: 1.0C/bit (mode 0) or 0.5C/bit (mode non-zero) | |
495 | * 0 <= nr <= 3 | |
496 | */ | |
e46957ed HJK |
497 | static u8 LM93_TEMP_AUTO_OFFSET_TO_REG(u8 old, int off, int nr, int mode) |
498 | { | |
499 | u8 new = LM93_TEMP_OFFSET_TO_REG(off, mode); | |
500 | ||
501 | /* temp1-temp2 (nr=0,1) use lower nibble */ | |
502 | if (nr < 2) | |
503 | return (old & 0xf0) | (new & 0x0f); | |
504 | ||
505 | /* temp3-temp4 (nr=2,3) use upper nibble */ | |
506 | else | |
507 | return (new << 4 & 0xf0) | (old & 0x0f); | |
508 | } | |
509 | ||
510 | static int LM93_AUTO_BOOST_HYST_FROM_REGS(struct lm93_data *data, int nr, | |
511 | int mode) | |
512 | { | |
513 | u8 reg; | |
514 | ||
515 | switch (nr) { | |
516 | case 0: | |
517 | reg = data->boost_hyst[0] & 0x0f; | |
518 | break; | |
519 | case 1: | |
520 | reg = data->boost_hyst[0] >> 4 & 0x0f; | |
521 | break; | |
522 | case 2: | |
523 | reg = data->boost_hyst[1] & 0x0f; | |
524 | break; | |
525 | case 3: | |
526 | default: | |
527 | reg = data->boost_hyst[1] >> 4 & 0x0f; | |
528 | break; | |
529 | } | |
530 | ||
531 | return LM93_TEMP_FROM_REG(data->boost[nr]) - | |
532 | LM93_TEMP_OFFSET_FROM_REG(reg, mode); | |
533 | } | |
534 | ||
535 | static u8 LM93_AUTO_BOOST_HYST_TO_REG(struct lm93_data *data, long hyst, | |
536 | int nr, int mode) | |
537 | { | |
538 | u8 reg = LM93_TEMP_OFFSET_TO_REG( | |
539 | (LM93_TEMP_FROM_REG(data->boost[nr]) - hyst), mode); | |
540 | ||
541 | switch (nr) { | |
542 | case 0: | |
543 | reg = (data->boost_hyst[0] & 0xf0) | (reg & 0x0f); | |
544 | break; | |
545 | case 1: | |
546 | reg = (reg << 4 & 0xf0) | (data->boost_hyst[0] & 0x0f); | |
547 | break; | |
548 | case 2: | |
549 | reg = (data->boost_hyst[1] & 0xf0) | (reg & 0x0f); | |
550 | break; | |
551 | case 3: | |
552 | default: | |
553 | reg = (reg << 4 & 0xf0) | (data->boost_hyst[1] & 0x0f); | |
554 | break; | |
555 | } | |
556 | ||
557 | return reg; | |
558 | } | |
559 | ||
2804a4cf GR |
560 | /* |
561 | * PWM: 0-255 per sensors documentation | |
562 | * REG: 0-13 as mapped below... right justified | |
563 | */ | |
564 | enum pwm_freq { LM93_PWM_MAP_HI_FREQ, LM93_PWM_MAP_LO_FREQ }; | |
565 | ||
e46957ed HJK |
566 | static int lm93_pwm_map[2][16] = { |
567 | { | |
568 | 0x00, /* 0.00% */ 0x40, /* 25.00% */ | |
569 | 0x50, /* 31.25% */ 0x60, /* 37.50% */ | |
570 | 0x70, /* 43.75% */ 0x80, /* 50.00% */ | |
571 | 0x90, /* 56.25% */ 0xa0, /* 62.50% */ | |
572 | 0xb0, /* 68.75% */ 0xc0, /* 75.00% */ | |
573 | 0xd0, /* 81.25% */ 0xe0, /* 87.50% */ | |
574 | 0xf0, /* 93.75% */ 0xff, /* 100.00% */ | |
575 | 0xff, 0xff, /* 14, 15 are reserved and should never occur */ | |
576 | }, | |
577 | { | |
578 | 0x00, /* 0.00% */ 0x40, /* 25.00% */ | |
579 | 0x49, /* 28.57% */ 0x52, /* 32.14% */ | |
580 | 0x5b, /* 35.71% */ 0x64, /* 39.29% */ | |
581 | 0x6d, /* 42.86% */ 0x76, /* 46.43% */ | |
582 | 0x80, /* 50.00% */ 0x89, /* 53.57% */ | |
583 | 0x92, /* 57.14% */ 0xb6, /* 71.43% */ | |
584 | 0xdb, /* 85.71% */ 0xff, /* 100.00% */ | |
585 | 0xff, 0xff, /* 14, 15 are reserved and should never occur */ | |
586 | }, | |
587 | }; | |
588 | ||
2804a4cf | 589 | static int LM93_PWM_FROM_REG(u8 reg, enum pwm_freq freq) |
e46957ed HJK |
590 | { |
591 | return lm93_pwm_map[freq][reg & 0x0f]; | |
592 | } | |
593 | ||
594 | /* round up to nearest match */ | |
2804a4cf | 595 | static u8 LM93_PWM_TO_REG(int pwm, enum pwm_freq freq) |
e46957ed HJK |
596 | { |
597 | int i; | |
598 | for (i = 0; i < 13; i++) | |
599 | if (pwm <= lm93_pwm_map[freq][i]) | |
600 | break; | |
601 | ||
602 | /* can fall through with i==13 */ | |
603 | return (u8)i; | |
604 | } | |
605 | ||
606 | static int LM93_FAN_FROM_REG(u16 regs) | |
607 | { | |
608 | const u16 count = le16_to_cpu(regs) >> 2; | |
2804a4cf | 609 | return count == 0 ? -1 : count == 0x3fff ? 0 : 1350000 / count; |
e46957ed HJK |
610 | } |
611 | ||
612 | /* | |
613 | * RPM: (82.5 to 1350000) | |
614 | * REG: 14-bits, LE, *left* justified | |
615 | */ | |
616 | static u16 LM93_FAN_TO_REG(long rpm) | |
617 | { | |
618 | u16 count, regs; | |
619 | ||
620 | if (rpm == 0) { | |
621 | count = 0x3fff; | |
622 | } else { | |
2a844c14 GR |
623 | rpm = clamp_val(rpm, 1, 1000000); |
624 | count = clamp_val((1350000 + rpm) / rpm, 1, 0x3ffe); | |
e46957ed HJK |
625 | } |
626 | ||
627 | regs = count << 2; | |
628 | return cpu_to_le16(regs); | |
629 | } | |
630 | ||
2804a4cf GR |
631 | /* |
632 | * PWM FREQ: HZ | |
633 | * REG: 0-7 as mapped below | |
634 | */ | |
e46957ed HJK |
635 | static int lm93_pwm_freq_map[8] = { |
636 | 22500, 96, 84, 72, 60, 48, 36, 12 | |
637 | }; | |
638 | ||
639 | static int LM93_PWM_FREQ_FROM_REG(u8 reg) | |
640 | { | |
641 | return lm93_pwm_freq_map[reg & 0x07]; | |
642 | } | |
643 | ||
644 | /* round up to nearest match */ | |
645 | static u8 LM93_PWM_FREQ_TO_REG(int freq) | |
646 | { | |
647 | int i; | |
648 | for (i = 7; i > 0; i--) | |
649 | if (freq <= lm93_pwm_freq_map[i]) | |
650 | break; | |
651 | ||
652 | /* can fall through with i==0 */ | |
653 | return (u8)i; | |
654 | } | |
655 | ||
2804a4cf GR |
656 | /* |
657 | * TIME: 1/100 seconds | |
658 | * REG: 0-7 as mapped below | |
659 | */ | |
e46957ed HJK |
660 | static int lm93_spinup_time_map[8] = { |
661 | 0, 10, 25, 40, 70, 100, 200, 400, | |
662 | }; | |
663 | ||
664 | static int LM93_SPINUP_TIME_FROM_REG(u8 reg) | |
665 | { | |
666 | return lm93_spinup_time_map[reg >> 5 & 0x07]; | |
667 | } | |
668 | ||
669 | /* round up to nearest match */ | |
670 | static u8 LM93_SPINUP_TIME_TO_REG(int time) | |
671 | { | |
672 | int i; | |
673 | for (i = 0; i < 7; i++) | |
674 | if (time <= lm93_spinup_time_map[i]) | |
675 | break; | |
676 | ||
677 | /* can fall through with i==8 */ | |
678 | return (u8)i; | |
679 | } | |
680 | ||
681 | #define LM93_RAMP_MIN 0 | |
682 | #define LM93_RAMP_MAX 75 | |
683 | ||
684 | static int LM93_RAMP_FROM_REG(u8 reg) | |
685 | { | |
686 | return (reg & 0x0f) * 5; | |
687 | } | |
688 | ||
2804a4cf GR |
689 | /* |
690 | * RAMP: 1/100 seconds | |
691 | * REG: 50mS/bit 4-bits right justified | |
692 | */ | |
e46957ed HJK |
693 | static u8 LM93_RAMP_TO_REG(int ramp) |
694 | { | |
2a844c14 | 695 | ramp = clamp_val(ramp, LM93_RAMP_MIN, LM93_RAMP_MAX); |
e46957ed HJK |
696 | return (u8)((ramp + 2) / 5); |
697 | } | |
698 | ||
2804a4cf GR |
699 | /* |
700 | * PROCHOT: 0-255, 0 => 0%, 255 => > 96.6% | |
701 | * REG: (same) | |
702 | */ | |
e46957ed HJK |
703 | static u8 LM93_PROCHOT_TO_REG(long prochot) |
704 | { | |
2a844c14 | 705 | prochot = clamp_val(prochot, 0, 255); |
e46957ed HJK |
706 | return (u8)prochot; |
707 | } | |
708 | ||
2804a4cf GR |
709 | /* |
710 | * PROCHOT-INTERVAL: 73 - 37200 (1/100 seconds) | |
711 | * REG: 0-9 as mapped below | |
712 | */ | |
e46957ed HJK |
713 | static int lm93_interval_map[10] = { |
714 | 73, 146, 290, 580, 1170, 2330, 4660, 9320, 18600, 37200, | |
715 | }; | |
716 | ||
717 | static int LM93_INTERVAL_FROM_REG(u8 reg) | |
718 | { | |
719 | return lm93_interval_map[reg & 0x0f]; | |
720 | } | |
721 | ||
722 | /* round up to nearest match */ | |
723 | static u8 LM93_INTERVAL_TO_REG(long interval) | |
724 | { | |
725 | int i; | |
726 | for (i = 0; i < 9; i++) | |
727 | if (interval <= lm93_interval_map[i]) | |
728 | break; | |
729 | ||
730 | /* can fall through with i==9 */ | |
731 | return (u8)i; | |
732 | } | |
733 | ||
2804a4cf GR |
734 | /* |
735 | * GPIO: 0-255, GPIO0 is LSB | |
736 | * REG: inverted | |
737 | */ | |
e46957ed HJK |
738 | static unsigned LM93_GPI_FROM_REG(u8 reg) |
739 | { | |
740 | return ~reg & 0xff; | |
741 | } | |
742 | ||
2804a4cf GR |
743 | /* |
744 | * alarm bitmask definitions | |
745 | * The LM93 has nearly 64 bits of error status... I've pared that down to | |
746 | * what I think is a useful subset in order to fit it into 32 bits. | |
747 | * | |
748 | * Especially note that the #VRD_HOT alarms are missing because we provide | |
749 | * that information as values in another sysfs file. | |
750 | * | |
751 | * If libsensors is extended to support 64 bit values, this could be revisited. | |
752 | */ | |
e46957ed HJK |
753 | #define LM93_ALARM_IN1 0x00000001 |
754 | #define LM93_ALARM_IN2 0x00000002 | |
755 | #define LM93_ALARM_IN3 0x00000004 | |
756 | #define LM93_ALARM_IN4 0x00000008 | |
757 | #define LM93_ALARM_IN5 0x00000010 | |
758 | #define LM93_ALARM_IN6 0x00000020 | |
759 | #define LM93_ALARM_IN7 0x00000040 | |
760 | #define LM93_ALARM_IN8 0x00000080 | |
761 | #define LM93_ALARM_IN9 0x00000100 | |
762 | #define LM93_ALARM_IN10 0x00000200 | |
763 | #define LM93_ALARM_IN11 0x00000400 | |
764 | #define LM93_ALARM_IN12 0x00000800 | |
765 | #define LM93_ALARM_IN13 0x00001000 | |
766 | #define LM93_ALARM_IN14 0x00002000 | |
767 | #define LM93_ALARM_IN15 0x00004000 | |
768 | #define LM93_ALARM_IN16 0x00008000 | |
769 | #define LM93_ALARM_FAN1 0x00010000 | |
770 | #define LM93_ALARM_FAN2 0x00020000 | |
771 | #define LM93_ALARM_FAN3 0x00040000 | |
772 | #define LM93_ALARM_FAN4 0x00080000 | |
773 | #define LM93_ALARM_PH1_ERR 0x00100000 | |
774 | #define LM93_ALARM_PH2_ERR 0x00200000 | |
775 | #define LM93_ALARM_SCSI1_ERR 0x00400000 | |
776 | #define LM93_ALARM_SCSI2_ERR 0x00800000 | |
777 | #define LM93_ALARM_DVDDP1_ERR 0x01000000 | |
778 | #define LM93_ALARM_DVDDP2_ERR 0x02000000 | |
779 | #define LM93_ALARM_D1_ERR 0x04000000 | |
780 | #define LM93_ALARM_D2_ERR 0x08000000 | |
781 | #define LM93_ALARM_TEMP1 0x10000000 | |
782 | #define LM93_ALARM_TEMP2 0x20000000 | |
783 | #define LM93_ALARM_TEMP3 0x40000000 | |
784 | ||
785 | static unsigned LM93_ALARMS_FROM_REG(struct block1_t b1) | |
786 | { | |
787 | unsigned result; | |
788 | result = b1.host_status_2 & 0x3f; | |
789 | ||
790 | if (vccp_limit_type[0]) | |
791 | result |= (b1.host_status_4 & 0x10) << 2; | |
792 | else | |
793 | result |= b1.host_status_2 & 0x40; | |
794 | ||
795 | if (vccp_limit_type[1]) | |
796 | result |= (b1.host_status_4 & 0x20) << 2; | |
797 | else | |
798 | result |= b1.host_status_2 & 0x80; | |
799 | ||
800 | result |= b1.host_status_3 << 8; | |
801 | result |= (b1.fan_status & 0x0f) << 16; | |
802 | result |= (b1.p1_prochot_status & 0x80) << 13; | |
803 | result |= (b1.p2_prochot_status & 0x80) << 14; | |
804 | result |= (b1.host_status_4 & 0xfc) << 20; | |
805 | result |= (b1.host_status_1 & 0x07) << 28; | |
806 | return result; | |
807 | } | |
808 | ||
809 | #define MAX_RETRIES 5 | |
810 | ||
811 | static u8 lm93_read_byte(struct i2c_client *client, u8 reg) | |
812 | { | |
813 | int value, i; | |
814 | ||
815 | /* retry in case of read errors */ | |
2804a4cf GR |
816 | for (i = 1; i <= MAX_RETRIES; i++) { |
817 | value = i2c_smbus_read_byte_data(client, reg); | |
818 | if (value >= 0) { | |
e46957ed HJK |
819 | return value; |
820 | } else { | |
b55f3757 GR |
821 | dev_warn(&client->dev, |
822 | "lm93: read byte data failed, address 0x%02x.\n", | |
823 | reg); | |
e46957ed HJK |
824 | mdelay(i + 3); |
825 | } | |
826 | ||
827 | } | |
828 | ||
829 | /* <TODO> what to return in case of error? */ | |
2804a4cf | 830 | dev_err(&client->dev, "lm93: All read byte retries failed!!\n"); |
e46957ed HJK |
831 | return 0; |
832 | } | |
833 | ||
834 | static int lm93_write_byte(struct i2c_client *client, u8 reg, u8 value) | |
835 | { | |
836 | int result; | |
837 | ||
838 | /* <TODO> how to handle write errors? */ | |
839 | result = i2c_smbus_write_byte_data(client, reg, value); | |
840 | ||
841 | if (result < 0) | |
b55f3757 GR |
842 | dev_warn(&client->dev, |
843 | "lm93: write byte data failed, 0x%02x at address 0x%02x.\n", | |
844 | value, reg); | |
e46957ed HJK |
845 | |
846 | return result; | |
847 | } | |
848 | ||
849 | static u16 lm93_read_word(struct i2c_client *client, u8 reg) | |
850 | { | |
851 | int value, i; | |
852 | ||
853 | /* retry in case of read errors */ | |
2804a4cf GR |
854 | for (i = 1; i <= MAX_RETRIES; i++) { |
855 | value = i2c_smbus_read_word_data(client, reg); | |
856 | if (value >= 0) { | |
e46957ed HJK |
857 | return value; |
858 | } else { | |
b55f3757 GR |
859 | dev_warn(&client->dev, |
860 | "lm93: read word data failed, address 0x%02x.\n", | |
861 | reg); | |
e46957ed HJK |
862 | mdelay(i + 3); |
863 | } | |
864 | ||
865 | } | |
866 | ||
867 | /* <TODO> what to return in case of error? */ | |
2804a4cf | 868 | dev_err(&client->dev, "lm93: All read word retries failed!!\n"); |
e46957ed HJK |
869 | return 0; |
870 | } | |
871 | ||
872 | static int lm93_write_word(struct i2c_client *client, u8 reg, u16 value) | |
873 | { | |
874 | int result; | |
875 | ||
876 | /* <TODO> how to handle write errors? */ | |
877 | result = i2c_smbus_write_word_data(client, reg, value); | |
878 | ||
879 | if (result < 0) | |
b55f3757 GR |
880 | dev_warn(&client->dev, |
881 | "lm93: write word data failed, 0x%04x at address 0x%02x.\n", | |
882 | value, reg); | |
e46957ed HJK |
883 | |
884 | return result; | |
885 | } | |
886 | ||
887 | static u8 lm93_block_buffer[I2C_SMBUS_BLOCK_MAX]; | |
888 | ||
889 | /* | |
2804a4cf GR |
890 | * read block data into values, retry if not expected length |
891 | * fbn => index to lm93_block_read_cmds table | |
892 | * (Fixed Block Number - section 14.5.2 of LM93 datasheet) | |
893 | */ | |
e46957ed HJK |
894 | static void lm93_read_block(struct i2c_client *client, u8 fbn, u8 *values) |
895 | { | |
2804a4cf | 896 | int i, result = 0; |
e46957ed HJK |
897 | |
898 | for (i = 1; i <= MAX_RETRIES; i++) { | |
899 | result = i2c_smbus_read_block_data(client, | |
900 | lm93_block_read_cmds[fbn].cmd, lm93_block_buffer); | |
901 | ||
902 | if (result == lm93_block_read_cmds[fbn].len) { | |
903 | break; | |
904 | } else { | |
b55f3757 GR |
905 | dev_warn(&client->dev, |
906 | "lm93: block read data failed, command 0x%02x.\n", | |
e46957ed HJK |
907 | lm93_block_read_cmds[fbn].cmd); |
908 | mdelay(i + 3); | |
909 | } | |
910 | } | |
911 | ||
912 | if (result == lm93_block_read_cmds[fbn].len) { | |
2804a4cf GR |
913 | memcpy(values, lm93_block_buffer, |
914 | lm93_block_read_cmds[fbn].len); | |
e46957ed HJK |
915 | } else { |
916 | /* <TODO> what to do in case of error? */ | |
917 | } | |
918 | } | |
919 | ||
920 | static struct lm93_data *lm93_update_device(struct device *dev) | |
921 | { | |
6579d589 AL |
922 | struct lm93_data *data = dev_get_drvdata(dev); |
923 | struct i2c_client *client = data->client; | |
e46957ed HJK |
924 | const unsigned long interval = HZ + (HZ / 2); |
925 | ||
926 | mutex_lock(&data->update_lock); | |
927 | ||
928 | if (time_after(jiffies, data->last_updated + interval) || | |
929 | !data->valid) { | |
930 | ||
931 | data->update(data, client); | |
932 | data->last_updated = jiffies; | |
933 | data->valid = 1; | |
934 | } | |
935 | ||
936 | mutex_unlock(&data->update_lock); | |
937 | return data; | |
938 | } | |
939 | ||
940 | /* update routine for data that has no corresponding SMBus block command */ | |
941 | static void lm93_update_client_common(struct lm93_data *data, | |
942 | struct i2c_client *client) | |
943 | { | |
944 | int i; | |
945 | u8 *ptr; | |
946 | ||
947 | /* temp1 - temp4: limits */ | |
948 | for (i = 0; i < 4; i++) { | |
949 | data->temp_lim[i].min = | |
950 | lm93_read_byte(client, LM93_REG_TEMP_MIN(i)); | |
951 | data->temp_lim[i].max = | |
952 | lm93_read_byte(client, LM93_REG_TEMP_MAX(i)); | |
953 | } | |
954 | ||
955 | /* config register */ | |
956 | data->config = lm93_read_byte(client, LM93_REG_CONFIG); | |
957 | ||
958 | /* vid1 - vid2: values */ | |
959 | for (i = 0; i < 2; i++) | |
960 | data->vid[i] = lm93_read_byte(client, LM93_REG_VID(i)); | |
961 | ||
962 | /* prochot1 - prochot2: limits */ | |
963 | for (i = 0; i < 2; i++) | |
964 | data->prochot_max[i] = lm93_read_byte(client, | |
965 | LM93_REG_PROCHOT_MAX(i)); | |
966 | ||
967 | /* vccp1 - vccp2: VID relative limits */ | |
968 | for (i = 0; i < 2; i++) | |
969 | data->vccp_limits[i] = lm93_read_byte(client, | |
970 | LM93_REG_VCCP_LIMIT_OFF(i)); | |
971 | ||
972 | /* GPIO input state */ | |
973 | data->gpi = lm93_read_byte(client, LM93_REG_GPI); | |
974 | ||
975 | /* #PROCHOT override state */ | |
976 | data->prochot_override = lm93_read_byte(client, | |
977 | LM93_REG_PROCHOT_OVERRIDE); | |
978 | ||
979 | /* #PROCHOT intervals */ | |
980 | data->prochot_interval = lm93_read_byte(client, | |
981 | LM93_REG_PROCHOT_INTERVAL); | |
982 | ||
af901ca1 | 983 | /* Fan Boost Temperature registers */ |
e46957ed HJK |
984 | for (i = 0; i < 4; i++) |
985 | data->boost[i] = lm93_read_byte(client, LM93_REG_BOOST(i)); | |
986 | ||
987 | /* Fan Boost Temperature Hyst. registers */ | |
988 | data->boost_hyst[0] = lm93_read_byte(client, LM93_REG_BOOST_HYST_12); | |
989 | data->boost_hyst[1] = lm93_read_byte(client, LM93_REG_BOOST_HYST_34); | |
990 | ||
991 | /* Temperature Zone Min. PWM & Hysteresis registers */ | |
992 | data->auto_pwm_min_hyst[0] = | |
993 | lm93_read_byte(client, LM93_REG_PWM_MIN_HYST_12); | |
994 | data->auto_pwm_min_hyst[1] = | |
995 | lm93_read_byte(client, LM93_REG_PWM_MIN_HYST_34); | |
996 | ||
997 | /* #PROCHOT & #VRDHOT PWM Ramp Control register */ | |
998 | data->pwm_ramp_ctl = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL); | |
999 | ||
1000 | /* misc setup registers */ | |
1001 | data->sfc1 = lm93_read_byte(client, LM93_REG_SFC1); | |
1002 | data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); | |
1003 | data->sf_tach_to_pwm = lm93_read_byte(client, | |
1004 | LM93_REG_SF_TACH_TO_PWM); | |
1005 | ||
1006 | /* write back alarm values to clear */ | |
1007 | for (i = 0, ptr = (u8 *)(&data->block1); i < 8; i++) | |
1008 | lm93_write_byte(client, LM93_REG_HOST_ERROR_1 + i, *(ptr + i)); | |
1009 | } | |
1010 | ||
1011 | /* update routine which uses SMBus block data commands */ | |
1012 | static void lm93_update_client_full(struct lm93_data *data, | |
1013 | struct i2c_client *client) | |
1014 | { | |
2804a4cf | 1015 | dev_dbg(&client->dev, "starting device update (block data enabled)\n"); |
e46957ed HJK |
1016 | |
1017 | /* in1 - in16: values & limits */ | |
1018 | lm93_read_block(client, 3, (u8 *)(data->block3)); | |
1019 | lm93_read_block(client, 7, (u8 *)(data->block7)); | |
1020 | ||
1021 | /* temp1 - temp4: values */ | |
1022 | lm93_read_block(client, 2, (u8 *)(data->block2)); | |
1023 | ||
1024 | /* prochot1 - prochot2: values */ | |
1025 | lm93_read_block(client, 4, (u8 *)(data->block4)); | |
1026 | ||
1027 | /* fan1 - fan4: values & limits */ | |
1028 | lm93_read_block(client, 5, (u8 *)(data->block5)); | |
1029 | lm93_read_block(client, 8, (u8 *)(data->block8)); | |
1030 | ||
1031 | /* pmw control registers */ | |
1032 | lm93_read_block(client, 9, (u8 *)(data->block9)); | |
1033 | ||
1034 | /* alarm values */ | |
1035 | lm93_read_block(client, 1, (u8 *)(&data->block1)); | |
1036 | ||
1037 | /* auto/pwm registers */ | |
1038 | lm93_read_block(client, 10, (u8 *)(&data->block10)); | |
1039 | ||
1040 | lm93_update_client_common(data, client); | |
1041 | } | |
1042 | ||
1043 | /* update routine which uses SMBus byte/word data commands only */ | |
1044 | static void lm93_update_client_min(struct lm93_data *data, | |
1045 | struct i2c_client *client) | |
1046 | { | |
2804a4cf | 1047 | int i, j; |
e46957ed HJK |
1048 | u8 *ptr; |
1049 | ||
2804a4cf | 1050 | dev_dbg(&client->dev, "starting device update (block data disabled)\n"); |
e46957ed HJK |
1051 | |
1052 | /* in1 - in16: values & limits */ | |
1053 | for (i = 0; i < 16; i++) { | |
1054 | data->block3[i] = | |
1055 | lm93_read_byte(client, LM93_REG_IN(i)); | |
1056 | data->block7[i].min = | |
1057 | lm93_read_byte(client, LM93_REG_IN_MIN(i)); | |
1058 | data->block7[i].max = | |
1059 | lm93_read_byte(client, LM93_REG_IN_MAX(i)); | |
1060 | } | |
1061 | ||
1062 | /* temp1 - temp4: values */ | |
1063 | for (i = 0; i < 4; i++) { | |
1064 | data->block2[i] = | |
1065 | lm93_read_byte(client, LM93_REG_TEMP(i)); | |
1066 | } | |
1067 | ||
1068 | /* prochot1 - prochot2: values */ | |
1069 | for (i = 0; i < 2; i++) { | |
1070 | data->block4[i].cur = | |
1071 | lm93_read_byte(client, LM93_REG_PROCHOT_CUR(i)); | |
1072 | data->block4[i].avg = | |
1073 | lm93_read_byte(client, LM93_REG_PROCHOT_AVG(i)); | |
1074 | } | |
1075 | ||
1076 | /* fan1 - fan4: values & limits */ | |
1077 | for (i = 0; i < 4; i++) { | |
1078 | data->block5[i] = | |
1079 | lm93_read_word(client, LM93_REG_FAN(i)); | |
1080 | data->block8[i] = | |
1081 | lm93_read_word(client, LM93_REG_FAN_MIN(i)); | |
1082 | } | |
1083 | ||
1084 | /* pwm control registers */ | |
1085 | for (i = 0; i < 2; i++) { | |
1086 | for (j = 0; j < 4; j++) { | |
1087 | data->block9[i][j] = | |
2804a4cf | 1088 | lm93_read_byte(client, LM93_REG_PWM_CTL(i, j)); |
e46957ed HJK |
1089 | } |
1090 | } | |
1091 | ||
1092 | /* alarm values */ | |
1093 | for (i = 0, ptr = (u8 *)(&data->block1); i < 8; i++) { | |
1094 | *(ptr + i) = | |
1095 | lm93_read_byte(client, LM93_REG_HOST_ERROR_1 + i); | |
1096 | } | |
1097 | ||
1098 | /* auto/pwm (base temp) registers */ | |
1099 | for (i = 0; i < 4; i++) { | |
1100 | data->block10.base[i] = | |
1101 | lm93_read_byte(client, LM93_REG_TEMP_BASE(i)); | |
1102 | } | |
1103 | ||
1104 | /* auto/pwm (offset temp) registers */ | |
1105 | for (i = 0; i < 12; i++) { | |
1106 | data->block10.offset[i] = | |
1107 | lm93_read_byte(client, LM93_REG_TEMP_OFFSET(i)); | |
1108 | } | |
1109 | ||
1110 | lm93_update_client_common(data, client); | |
1111 | } | |
1112 | ||
1113 | /* following are the sysfs callback functions */ | |
7f9d0581 GR |
1114 | static ssize_t in_show(struct device *dev, struct device_attribute *attr, |
1115 | char *buf) | |
e46957ed HJK |
1116 | { |
1117 | int nr = (to_sensor_dev_attr(attr))->index; | |
1118 | ||
1119 | struct lm93_data *data = lm93_update_device(dev); | |
1120 | return sprintf(buf, "%d\n", LM93_IN_FROM_REG(nr, data->block3[nr])); | |
1121 | } | |
1122 | ||
7f9d0581 GR |
1123 | static SENSOR_DEVICE_ATTR_RO(in1_input, in, 0); |
1124 | static SENSOR_DEVICE_ATTR_RO(in2_input, in, 1); | |
1125 | static SENSOR_DEVICE_ATTR_RO(in3_input, in, 2); | |
1126 | static SENSOR_DEVICE_ATTR_RO(in4_input, in, 3); | |
1127 | static SENSOR_DEVICE_ATTR_RO(in5_input, in, 4); | |
1128 | static SENSOR_DEVICE_ATTR_RO(in6_input, in, 5); | |
1129 | static SENSOR_DEVICE_ATTR_RO(in7_input, in, 6); | |
1130 | static SENSOR_DEVICE_ATTR_RO(in8_input, in, 7); | |
1131 | static SENSOR_DEVICE_ATTR_RO(in9_input, in, 8); | |
1132 | static SENSOR_DEVICE_ATTR_RO(in10_input, in, 9); | |
1133 | static SENSOR_DEVICE_ATTR_RO(in11_input, in, 10); | |
1134 | static SENSOR_DEVICE_ATTR_RO(in12_input, in, 11); | |
1135 | static SENSOR_DEVICE_ATTR_RO(in13_input, in, 12); | |
1136 | static SENSOR_DEVICE_ATTR_RO(in14_input, in, 13); | |
1137 | static SENSOR_DEVICE_ATTR_RO(in15_input, in, 14); | |
1138 | static SENSOR_DEVICE_ATTR_RO(in16_input, in, 15); | |
1139 | ||
1140 | static ssize_t in_min_show(struct device *dev, struct device_attribute *attr, | |
1141 | char *buf) | |
e46957ed HJK |
1142 | { |
1143 | int nr = (to_sensor_dev_attr(attr))->index; | |
1144 | struct lm93_data *data = lm93_update_device(dev); | |
1145 | int vccp = nr - 6; | |
1146 | long rc, vid; | |
1147 | ||
2804a4cf | 1148 | if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) { |
e46957ed HJK |
1149 | vid = LM93_VID_FROM_REG(data->vid[vccp]); |
1150 | rc = LM93_IN_MIN_FROM_REG(data->vccp_limits[vccp], vid); | |
2804a4cf GR |
1151 | } else { |
1152 | rc = LM93_IN_FROM_REG(nr, data->block7[nr].min); | |
e46957ed | 1153 | } |
2804a4cf | 1154 | return sprintf(buf, "%ld\n", rc); |
e46957ed HJK |
1155 | } |
1156 | ||
7f9d0581 | 1157 | static ssize_t in_min_store(struct device *dev, struct device_attribute *attr, |
e46957ed HJK |
1158 | const char *buf, size_t count) |
1159 | { | |
1160 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1161 | struct lm93_data *data = dev_get_drvdata(dev); |
1162 | struct i2c_client *client = data->client; | |
e46957ed HJK |
1163 | int vccp = nr - 6; |
1164 | long vid; | |
2804a4cf GR |
1165 | unsigned long val; |
1166 | int err; | |
1167 | ||
1168 | err = kstrtoul(buf, 10, &val); | |
1169 | if (err) | |
1170 | return err; | |
e46957ed HJK |
1171 | |
1172 | mutex_lock(&data->update_lock); | |
2804a4cf | 1173 | if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) { |
e46957ed HJK |
1174 | vid = LM93_VID_FROM_REG(data->vid[vccp]); |
1175 | data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0xf0) | | |
1176 | LM93_IN_REL_TO_REG(val, 0, vid); | |
1177 | lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp), | |
1178 | data->vccp_limits[vccp]); | |
2804a4cf GR |
1179 | } else { |
1180 | data->block7[nr].min = LM93_IN_TO_REG(nr, val); | |
e46957ed HJK |
1181 | lm93_write_byte(client, LM93_REG_IN_MIN(nr), |
1182 | data->block7[nr].min); | |
1183 | } | |
1184 | mutex_unlock(&data->update_lock); | |
1185 | return count; | |
1186 | } | |
1187 | ||
7f9d0581 GR |
1188 | static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 0); |
1189 | static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 1); | |
1190 | static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 2); | |
1191 | static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 3); | |
1192 | static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 4); | |
1193 | static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 5); | |
1194 | static SENSOR_DEVICE_ATTR_RW(in7_min, in_min, 6); | |
1195 | static SENSOR_DEVICE_ATTR_RW(in8_min, in_min, 7); | |
1196 | static SENSOR_DEVICE_ATTR_RW(in9_min, in_min, 8); | |
1197 | static SENSOR_DEVICE_ATTR_RW(in10_min, in_min, 9); | |
1198 | static SENSOR_DEVICE_ATTR_RW(in11_min, in_min, 10); | |
1199 | static SENSOR_DEVICE_ATTR_RW(in12_min, in_min, 11); | |
1200 | static SENSOR_DEVICE_ATTR_RW(in13_min, in_min, 12); | |
1201 | static SENSOR_DEVICE_ATTR_RW(in14_min, in_min, 13); | |
1202 | static SENSOR_DEVICE_ATTR_RW(in15_min, in_min, 14); | |
1203 | static SENSOR_DEVICE_ATTR_RW(in16_min, in_min, 15); | |
1204 | ||
1205 | static ssize_t in_max_show(struct device *dev, struct device_attribute *attr, | |
1206 | char *buf) | |
e46957ed HJK |
1207 | { |
1208 | int nr = (to_sensor_dev_attr(attr))->index; | |
1209 | struct lm93_data *data = lm93_update_device(dev); | |
1210 | int vccp = nr - 6; | |
1211 | long rc, vid; | |
1212 | ||
2804a4cf | 1213 | if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) { |
e46957ed | 1214 | vid = LM93_VID_FROM_REG(data->vid[vccp]); |
2804a4cf GR |
1215 | rc = LM93_IN_MAX_FROM_REG(data->vccp_limits[vccp], vid); |
1216 | } else { | |
1217 | rc = LM93_IN_FROM_REG(nr, data->block7[nr].max); | |
e46957ed | 1218 | } |
2804a4cf | 1219 | return sprintf(buf, "%ld\n", rc); |
e46957ed HJK |
1220 | } |
1221 | ||
7f9d0581 | 1222 | static ssize_t in_max_store(struct device *dev, struct device_attribute *attr, |
e46957ed HJK |
1223 | const char *buf, size_t count) |
1224 | { | |
1225 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1226 | struct lm93_data *data = dev_get_drvdata(dev); |
1227 | struct i2c_client *client = data->client; | |
e46957ed HJK |
1228 | int vccp = nr - 6; |
1229 | long vid; | |
2804a4cf GR |
1230 | unsigned long val; |
1231 | int err; | |
1232 | ||
1233 | err = kstrtoul(buf, 10, &val); | |
1234 | if (err) | |
1235 | return err; | |
e46957ed HJK |
1236 | |
1237 | mutex_lock(&data->update_lock); | |
2804a4cf | 1238 | if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) { |
e46957ed HJK |
1239 | vid = LM93_VID_FROM_REG(data->vid[vccp]); |
1240 | data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0x0f) | | |
1241 | LM93_IN_REL_TO_REG(val, 1, vid); | |
1242 | lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp), | |
1243 | data->vccp_limits[vccp]); | |
2804a4cf GR |
1244 | } else { |
1245 | data->block7[nr].max = LM93_IN_TO_REG(nr, val); | |
e46957ed HJK |
1246 | lm93_write_byte(client, LM93_REG_IN_MAX(nr), |
1247 | data->block7[nr].max); | |
1248 | } | |
1249 | mutex_unlock(&data->update_lock); | |
1250 | return count; | |
1251 | } | |
1252 | ||
7f9d0581 GR |
1253 | static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 0); |
1254 | static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 1); | |
1255 | static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 2); | |
1256 | static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 3); | |
1257 | static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 4); | |
1258 | static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 5); | |
1259 | static SENSOR_DEVICE_ATTR_RW(in7_max, in_max, 6); | |
1260 | static SENSOR_DEVICE_ATTR_RW(in8_max, in_max, 7); | |
1261 | static SENSOR_DEVICE_ATTR_RW(in9_max, in_max, 8); | |
1262 | static SENSOR_DEVICE_ATTR_RW(in10_max, in_max, 9); | |
1263 | static SENSOR_DEVICE_ATTR_RW(in11_max, in_max, 10); | |
1264 | static SENSOR_DEVICE_ATTR_RW(in12_max, in_max, 11); | |
1265 | static SENSOR_DEVICE_ATTR_RW(in13_max, in_max, 12); | |
1266 | static SENSOR_DEVICE_ATTR_RW(in14_max, in_max, 13); | |
1267 | static SENSOR_DEVICE_ATTR_RW(in15_max, in_max, 14); | |
1268 | static SENSOR_DEVICE_ATTR_RW(in16_max, in_max, 15); | |
1269 | ||
1270 | static ssize_t temp_show(struct device *dev, struct device_attribute *attr, | |
1271 | char *buf) | |
e46957ed HJK |
1272 | { |
1273 | int nr = (to_sensor_dev_attr(attr))->index; | |
1274 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 1275 | return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->block2[nr])); |
e46957ed HJK |
1276 | } |
1277 | ||
7f9d0581 GR |
1278 | static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0); |
1279 | static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1); | |
1280 | static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2); | |
e46957ed | 1281 | |
7f9d0581 GR |
1282 | static ssize_t temp_min_show(struct device *dev, |
1283 | struct device_attribute *attr, char *buf) | |
e46957ed HJK |
1284 | { |
1285 | int nr = (to_sensor_dev_attr(attr))->index; | |
1286 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 1287 | return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->temp_lim[nr].min)); |
e46957ed HJK |
1288 | } |
1289 | ||
7f9d0581 GR |
1290 | static ssize_t temp_min_store(struct device *dev, |
1291 | struct device_attribute *attr, const char *buf, | |
1292 | size_t count) | |
e46957ed HJK |
1293 | { |
1294 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1295 | struct lm93_data *data = dev_get_drvdata(dev); |
1296 | struct i2c_client *client = data->client; | |
2804a4cf GR |
1297 | long val; |
1298 | int err; | |
1299 | ||
1300 | err = kstrtol(buf, 10, &val); | |
1301 | if (err) | |
1302 | return err; | |
e46957ed HJK |
1303 | |
1304 | mutex_lock(&data->update_lock); | |
1305 | data->temp_lim[nr].min = LM93_TEMP_TO_REG(val); | |
1306 | lm93_write_byte(client, LM93_REG_TEMP_MIN(nr), data->temp_lim[nr].min); | |
1307 | mutex_unlock(&data->update_lock); | |
1308 | return count; | |
1309 | } | |
1310 | ||
7f9d0581 GR |
1311 | static SENSOR_DEVICE_ATTR_RW(temp1_min, temp_min, 0); |
1312 | static SENSOR_DEVICE_ATTR_RW(temp2_min, temp_min, 1); | |
1313 | static SENSOR_DEVICE_ATTR_RW(temp3_min, temp_min, 2); | |
e46957ed | 1314 | |
7f9d0581 | 1315 | static ssize_t temp_max_show(struct device *dev, |
e46957ed HJK |
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); | |
2804a4cf | 1320 | return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->temp_lim[nr].max)); |
e46957ed HJK |
1321 | } |
1322 | ||
7f9d0581 GR |
1323 | static ssize_t temp_max_store(struct device *dev, |
1324 | struct device_attribute *attr, const char *buf, | |
1325 | size_t count) | |
e46957ed HJK |
1326 | { |
1327 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1328 | struct lm93_data *data = dev_get_drvdata(dev); |
1329 | struct i2c_client *client = data->client; | |
2804a4cf GR |
1330 | long val; |
1331 | int err; | |
1332 | ||
1333 | err = kstrtol(buf, 10, &val); | |
1334 | if (err) | |
1335 | return err; | |
e46957ed HJK |
1336 | |
1337 | mutex_lock(&data->update_lock); | |
1338 | data->temp_lim[nr].max = LM93_TEMP_TO_REG(val); | |
1339 | lm93_write_byte(client, LM93_REG_TEMP_MAX(nr), data->temp_lim[nr].max); | |
1340 | mutex_unlock(&data->update_lock); | |
1341 | return count; | |
1342 | } | |
1343 | ||
7f9d0581 GR |
1344 | static SENSOR_DEVICE_ATTR_RW(temp1_max, temp_max, 0); |
1345 | static SENSOR_DEVICE_ATTR_RW(temp2_max, temp_max, 1); | |
1346 | static SENSOR_DEVICE_ATTR_RW(temp3_max, temp_max, 2); | |
e46957ed | 1347 | |
7f9d0581 GR |
1348 | static ssize_t temp_auto_base_show(struct device *dev, |
1349 | struct device_attribute *attr, char *buf) | |
e46957ed HJK |
1350 | { |
1351 | int nr = (to_sensor_dev_attr(attr))->index; | |
1352 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 1353 | return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->block10.base[nr])); |
e46957ed HJK |
1354 | } |
1355 | ||
7f9d0581 GR |
1356 | static ssize_t temp_auto_base_store(struct device *dev, |
1357 | struct device_attribute *attr, | |
1358 | const char *buf, size_t count) | |
e46957ed HJK |
1359 | { |
1360 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1361 | struct lm93_data *data = dev_get_drvdata(dev); |
1362 | struct i2c_client *client = data->client; | |
2804a4cf GR |
1363 | long val; |
1364 | int err; | |
1365 | ||
1366 | err = kstrtol(buf, 10, &val); | |
1367 | if (err) | |
1368 | return err; | |
e46957ed HJK |
1369 | |
1370 | mutex_lock(&data->update_lock); | |
1371 | data->block10.base[nr] = LM93_TEMP_TO_REG(val); | |
1372 | lm93_write_byte(client, LM93_REG_TEMP_BASE(nr), data->block10.base[nr]); | |
1373 | mutex_unlock(&data->update_lock); | |
1374 | return count; | |
1375 | } | |
1376 | ||
7f9d0581 GR |
1377 | static SENSOR_DEVICE_ATTR_RW(temp1_auto_base, temp_auto_base, 0); |
1378 | static SENSOR_DEVICE_ATTR_RW(temp2_auto_base, temp_auto_base, 1); | |
1379 | static SENSOR_DEVICE_ATTR_RW(temp3_auto_base, temp_auto_base, 2); | |
e46957ed | 1380 | |
7f9d0581 | 1381 | static ssize_t temp_auto_boost_show(struct device *dev, |
2804a4cf | 1382 | struct device_attribute *attr, char *buf) |
e46957ed HJK |
1383 | { |
1384 | int nr = (to_sensor_dev_attr(attr))->index; | |
1385 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 1386 | return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->boost[nr])); |
e46957ed HJK |
1387 | } |
1388 | ||
7f9d0581 | 1389 | static ssize_t temp_auto_boost_store(struct device *dev, |
e46957ed HJK |
1390 | struct device_attribute *attr, |
1391 | const char *buf, size_t count) | |
1392 | { | |
1393 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1394 | struct lm93_data *data = dev_get_drvdata(dev); |
1395 | struct i2c_client *client = data->client; | |
2804a4cf GR |
1396 | long val; |
1397 | int err; | |
1398 | ||
1399 | err = kstrtol(buf, 10, &val); | |
1400 | if (err) | |
1401 | return err; | |
e46957ed HJK |
1402 | |
1403 | mutex_lock(&data->update_lock); | |
1404 | data->boost[nr] = LM93_TEMP_TO_REG(val); | |
1405 | lm93_write_byte(client, LM93_REG_BOOST(nr), data->boost[nr]); | |
1406 | mutex_unlock(&data->update_lock); | |
1407 | return count; | |
1408 | } | |
1409 | ||
7f9d0581 GR |
1410 | static SENSOR_DEVICE_ATTR_RW(temp1_auto_boost, temp_auto_boost, 0); |
1411 | static SENSOR_DEVICE_ATTR_RW(temp2_auto_boost, temp_auto_boost, 1); | |
1412 | static SENSOR_DEVICE_ATTR_RW(temp3_auto_boost, temp_auto_boost, 2); | |
e46957ed | 1413 | |
7f9d0581 | 1414 | static ssize_t temp_auto_boost_hyst_show(struct device *dev, |
e46957ed HJK |
1415 | struct device_attribute *attr, |
1416 | char *buf) | |
1417 | { | |
1418 | int nr = (to_sensor_dev_attr(attr))->index; | |
1419 | struct lm93_data *data = lm93_update_device(dev); | |
1420 | int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr); | |
2804a4cf | 1421 | return sprintf(buf, "%d\n", |
e46957ed HJK |
1422 | LM93_AUTO_BOOST_HYST_FROM_REGS(data, nr, mode)); |
1423 | } | |
1424 | ||
7f9d0581 | 1425 | static ssize_t temp_auto_boost_hyst_store(struct device *dev, |
e46957ed HJK |
1426 | struct device_attribute *attr, |
1427 | const char *buf, size_t count) | |
1428 | { | |
1429 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1430 | struct lm93_data *data = dev_get_drvdata(dev); |
1431 | struct i2c_client *client = data->client; | |
2804a4cf GR |
1432 | unsigned long val; |
1433 | int err; | |
1434 | ||
1435 | err = kstrtoul(buf, 10, &val); | |
1436 | if (err) | |
1437 | return err; | |
e46957ed HJK |
1438 | |
1439 | mutex_lock(&data->update_lock); | |
1440 | /* force 0.5C/bit mode */ | |
1441 | data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); | |
1442 | data->sfc2 |= ((nr < 2) ? 0x10 : 0x20); | |
1443 | lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); | |
1444 | data->boost_hyst[nr/2] = LM93_AUTO_BOOST_HYST_TO_REG(data, val, nr, 1); | |
1445 | lm93_write_byte(client, LM93_REG_BOOST_HYST(nr), | |
1446 | data->boost_hyst[nr/2]); | |
1447 | mutex_unlock(&data->update_lock); | |
1448 | return count; | |
1449 | } | |
1450 | ||
7f9d0581 GR |
1451 | static SENSOR_DEVICE_ATTR_RW(temp1_auto_boost_hyst, temp_auto_boost_hyst, 0); |
1452 | static SENSOR_DEVICE_ATTR_RW(temp2_auto_boost_hyst, temp_auto_boost_hyst, 1); | |
1453 | static SENSOR_DEVICE_ATTR_RW(temp3_auto_boost_hyst, temp_auto_boost_hyst, 2); | |
e46957ed | 1454 | |
7f9d0581 GR |
1455 | static ssize_t temp_auto_offset_show(struct device *dev, |
1456 | struct device_attribute *attr, char *buf) | |
e46957ed HJK |
1457 | { |
1458 | struct sensor_device_attribute_2 *s_attr = to_sensor_dev_attr_2(attr); | |
1459 | int nr = s_attr->index; | |
1460 | int ofs = s_attr->nr; | |
1461 | struct lm93_data *data = lm93_update_device(dev); | |
1462 | int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr); | |
2804a4cf | 1463 | return sprintf(buf, "%d\n", |
e46957ed | 1464 | LM93_TEMP_AUTO_OFFSET_FROM_REG(data->block10.offset[ofs], |
2804a4cf | 1465 | nr, mode)); |
e46957ed HJK |
1466 | } |
1467 | ||
7f9d0581 GR |
1468 | static ssize_t temp_auto_offset_store(struct device *dev, |
1469 | struct device_attribute *attr, | |
1470 | const char *buf, size_t count) | |
e46957ed HJK |
1471 | { |
1472 | struct sensor_device_attribute_2 *s_attr = to_sensor_dev_attr_2(attr); | |
1473 | int nr = s_attr->index; | |
1474 | int ofs = s_attr->nr; | |
6579d589 AL |
1475 | struct lm93_data *data = dev_get_drvdata(dev); |
1476 | struct i2c_client *client = data->client; | |
2804a4cf GR |
1477 | unsigned long val; |
1478 | int err; | |
1479 | ||
1480 | err = kstrtoul(buf, 10, &val); | |
1481 | if (err) | |
1482 | return err; | |
e46957ed HJK |
1483 | |
1484 | mutex_lock(&data->update_lock); | |
1485 | /* force 0.5C/bit mode */ | |
1486 | data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); | |
1487 | data->sfc2 |= ((nr < 2) ? 0x10 : 0x20); | |
1488 | lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); | |
1489 | data->block10.offset[ofs] = LM93_TEMP_AUTO_OFFSET_TO_REG( | |
1490 | data->block10.offset[ofs], val, nr, 1); | |
1491 | lm93_write_byte(client, LM93_REG_TEMP_OFFSET(ofs), | |
1492 | data->block10.offset[ofs]); | |
1493 | mutex_unlock(&data->update_lock); | |
1494 | return count; | |
1495 | } | |
1496 | ||
7f9d0581 GR |
1497 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset1, temp_auto_offset, 0, 0); |
1498 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset2, temp_auto_offset, 1, 0); | |
1499 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset3, temp_auto_offset, 2, 0); | |
1500 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset4, temp_auto_offset, 3, 0); | |
1501 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset5, temp_auto_offset, 4, 0); | |
1502 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset6, temp_auto_offset, 5, 0); | |
1503 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset7, temp_auto_offset, 6, 0); | |
1504 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset8, temp_auto_offset, 7, 0); | |
1505 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset9, temp_auto_offset, 8, 0); | |
1506 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset10, temp_auto_offset, 9, 0); | |
1507 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset11, temp_auto_offset, 10, 0); | |
1508 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset12, temp_auto_offset, 11, 0); | |
1509 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset1, temp_auto_offset, 0, 1); | |
1510 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset2, temp_auto_offset, 1, 1); | |
1511 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset3, temp_auto_offset, 2, 1); | |
1512 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset4, temp_auto_offset, 3, 1); | |
1513 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset5, temp_auto_offset, 4, 1); | |
1514 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset6, temp_auto_offset, 5, 1); | |
1515 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset7, temp_auto_offset, 6, 1); | |
1516 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset8, temp_auto_offset, 7, 1); | |
1517 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset9, temp_auto_offset, 8, 1); | |
1518 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset10, temp_auto_offset, 9, 1); | |
1519 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset11, temp_auto_offset, 10, 1); | |
1520 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset12, temp_auto_offset, 11, 1); | |
1521 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset1, temp_auto_offset, 0, 2); | |
1522 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset2, temp_auto_offset, 1, 2); | |
1523 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset3, temp_auto_offset, 2, 2); | |
1524 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset4, temp_auto_offset, 3, 2); | |
1525 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset5, temp_auto_offset, 4, 2); | |
1526 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset6, temp_auto_offset, 5, 2); | |
1527 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset7, temp_auto_offset, 6, 2); | |
1528 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset8, temp_auto_offset, 7, 2); | |
1529 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset9, temp_auto_offset, 8, 2); | |
1530 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset10, temp_auto_offset, 9, 2); | |
1531 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset11, temp_auto_offset, 10, 2); | |
1532 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset12, temp_auto_offset, 11, 2); | |
1533 | ||
1534 | static ssize_t temp_auto_pwm_min_show(struct device *dev, | |
1535 | struct device_attribute *attr, | |
1536 | char *buf) | |
e46957ed HJK |
1537 | { |
1538 | int nr = (to_sensor_dev_attr(attr))->index; | |
1539 | u8 reg, ctl4; | |
1540 | struct lm93_data *data = lm93_update_device(dev); | |
1541 | reg = data->auto_pwm_min_hyst[nr/2] >> 4 & 0x0f; | |
1542 | ctl4 = data->block9[nr][LM93_PWM_CTL4]; | |
2804a4cf | 1543 | return sprintf(buf, "%d\n", LM93_PWM_FROM_REG(reg, (ctl4 & 0x07) ? |
e46957ed HJK |
1544 | LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ)); |
1545 | } | |
1546 | ||
7f9d0581 GR |
1547 | static ssize_t temp_auto_pwm_min_store(struct device *dev, |
1548 | struct device_attribute *attr, | |
1549 | const char *buf, size_t count) | |
e46957ed HJK |
1550 | { |
1551 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1552 | struct lm93_data *data = dev_get_drvdata(dev); |
1553 | struct i2c_client *client = data->client; | |
e46957ed | 1554 | u8 reg, ctl4; |
2804a4cf GR |
1555 | unsigned long val; |
1556 | int err; | |
1557 | ||
1558 | err = kstrtoul(buf, 10, &val); | |
1559 | if (err) | |
1560 | return err; | |
e46957ed HJK |
1561 | |
1562 | mutex_lock(&data->update_lock); | |
1563 | reg = lm93_read_byte(client, LM93_REG_PWM_MIN_HYST(nr)); | |
2804a4cf | 1564 | ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4)); |
e46957ed HJK |
1565 | reg = (reg & 0x0f) | |
1566 | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ? | |
1567 | LM93_PWM_MAP_LO_FREQ : | |
1568 | LM93_PWM_MAP_HI_FREQ) << 4; | |
1569 | data->auto_pwm_min_hyst[nr/2] = reg; | |
1570 | lm93_write_byte(client, LM93_REG_PWM_MIN_HYST(nr), reg); | |
1571 | mutex_unlock(&data->update_lock); | |
1572 | return count; | |
1573 | } | |
1574 | ||
7f9d0581 GR |
1575 | static SENSOR_DEVICE_ATTR_RW(temp1_auto_pwm_min, temp_auto_pwm_min, 0); |
1576 | static SENSOR_DEVICE_ATTR_RW(temp2_auto_pwm_min, temp_auto_pwm_min, 1); | |
1577 | static SENSOR_DEVICE_ATTR_RW(temp3_auto_pwm_min, temp_auto_pwm_min, 2); | |
e46957ed | 1578 | |
7f9d0581 GR |
1579 | static ssize_t temp_auto_offset_hyst_show(struct device *dev, |
1580 | struct device_attribute *attr, | |
1581 | char *buf) | |
e46957ed HJK |
1582 | { |
1583 | int nr = (to_sensor_dev_attr(attr))->index; | |
1584 | struct lm93_data *data = lm93_update_device(dev); | |
1585 | int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr); | |
2804a4cf GR |
1586 | return sprintf(buf, "%d\n", LM93_TEMP_OFFSET_FROM_REG( |
1587 | data->auto_pwm_min_hyst[nr / 2], mode)); | |
e46957ed HJK |
1588 | } |
1589 | ||
7f9d0581 GR |
1590 | static ssize_t temp_auto_offset_hyst_store(struct device *dev, |
1591 | struct device_attribute *attr, | |
1592 | const char *buf, size_t count) | |
e46957ed HJK |
1593 | { |
1594 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1595 | struct lm93_data *data = dev_get_drvdata(dev); |
1596 | struct i2c_client *client = data->client; | |
e46957ed | 1597 | u8 reg; |
2804a4cf GR |
1598 | unsigned long val; |
1599 | int err; | |
1600 | ||
1601 | err = kstrtoul(buf, 10, &val); | |
1602 | if (err) | |
1603 | return err; | |
e46957ed HJK |
1604 | |
1605 | mutex_lock(&data->update_lock); | |
1606 | /* force 0.5C/bit mode */ | |
1607 | data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); | |
1608 | data->sfc2 |= ((nr < 2) ? 0x10 : 0x20); | |
1609 | lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); | |
1610 | reg = data->auto_pwm_min_hyst[nr/2]; | |
1611 | reg = (reg & 0xf0) | (LM93_TEMP_OFFSET_TO_REG(val, 1) & 0x0f); | |
1612 | data->auto_pwm_min_hyst[nr/2] = reg; | |
1613 | lm93_write_byte(client, LM93_REG_PWM_MIN_HYST(nr), reg); | |
1614 | mutex_unlock(&data->update_lock); | |
1615 | return count; | |
1616 | } | |
1617 | ||
7f9d0581 GR |
1618 | static SENSOR_DEVICE_ATTR_RW(temp1_auto_offset_hyst, temp_auto_offset_hyst, 0); |
1619 | static SENSOR_DEVICE_ATTR_RW(temp2_auto_offset_hyst, temp_auto_offset_hyst, 1); | |
1620 | static SENSOR_DEVICE_ATTR_RW(temp3_auto_offset_hyst, temp_auto_offset_hyst, 2); | |
e46957ed | 1621 | |
7f9d0581 GR |
1622 | static ssize_t fan_input_show(struct device *dev, |
1623 | struct device_attribute *attr, char *buf) | |
e46957ed HJK |
1624 | { |
1625 | struct sensor_device_attribute *s_attr = to_sensor_dev_attr(attr); | |
1626 | int nr = s_attr->index; | |
1627 | struct lm93_data *data = lm93_update_device(dev); | |
1628 | ||
2804a4cf | 1629 | return sprintf(buf, "%d\n", LM93_FAN_FROM_REG(data->block5[nr])); |
e46957ed HJK |
1630 | } |
1631 | ||
7f9d0581 GR |
1632 | static SENSOR_DEVICE_ATTR_RO(fan1_input, fan_input, 0); |
1633 | static SENSOR_DEVICE_ATTR_RO(fan2_input, fan_input, 1); | |
1634 | static SENSOR_DEVICE_ATTR_RO(fan3_input, fan_input, 2); | |
1635 | static SENSOR_DEVICE_ATTR_RO(fan4_input, fan_input, 3); | |
e46957ed | 1636 | |
7f9d0581 GR |
1637 | static ssize_t fan_min_show(struct device *dev, struct device_attribute *attr, |
1638 | char *buf) | |
e46957ed HJK |
1639 | { |
1640 | int nr = (to_sensor_dev_attr(attr))->index; | |
1641 | struct lm93_data *data = lm93_update_device(dev); | |
1642 | ||
2804a4cf | 1643 | return sprintf(buf, "%d\n", LM93_FAN_FROM_REG(data->block8[nr])); |
e46957ed HJK |
1644 | } |
1645 | ||
7f9d0581 GR |
1646 | static ssize_t fan_min_store(struct device *dev, |
1647 | struct device_attribute *attr, const char *buf, | |
1648 | size_t count) | |
e46957ed HJK |
1649 | { |
1650 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1651 | struct lm93_data *data = dev_get_drvdata(dev); |
1652 | struct i2c_client *client = data->client; | |
2804a4cf GR |
1653 | unsigned long val; |
1654 | int err; | |
1655 | ||
1656 | err = kstrtoul(buf, 10, &val); | |
1657 | if (err) | |
1658 | return err; | |
e46957ed HJK |
1659 | |
1660 | mutex_lock(&data->update_lock); | |
1661 | data->block8[nr] = LM93_FAN_TO_REG(val); | |
2804a4cf | 1662 | lm93_write_word(client, LM93_REG_FAN_MIN(nr), data->block8[nr]); |
e46957ed HJK |
1663 | mutex_unlock(&data->update_lock); |
1664 | return count; | |
1665 | } | |
1666 | ||
7f9d0581 GR |
1667 | static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0); |
1668 | static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1); | |
1669 | static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2); | |
1670 | static SENSOR_DEVICE_ATTR_RW(fan4_min, fan_min, 3); | |
e46957ed | 1671 | |
2804a4cf GR |
1672 | /* |
1673 | * some tedious bit-twiddling here to deal with the register format: | |
1674 | * | |
1675 | * data->sf_tach_to_pwm: (tach to pwm mapping bits) | |
1676 | * | |
1677 | * bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
1678 | * T4:P2 T4:P1 T3:P2 T3:P1 T2:P2 T2:P1 T1:P2 T1:P1 | |
1679 | * | |
1680 | * data->sfc2: (enable bits) | |
1681 | * | |
1682 | * bit | 3 | 2 | 1 | 0 | |
1683 | * T4 T3 T2 T1 | |
1684 | */ | |
e46957ed | 1685 | |
7f9d0581 GR |
1686 | static ssize_t fan_smart_tach_show(struct device *dev, |
1687 | struct device_attribute *attr, char *buf) | |
e46957ed HJK |
1688 | { |
1689 | int nr = (to_sensor_dev_attr(attr))->index; | |
1690 | struct lm93_data *data = lm93_update_device(dev); | |
1691 | long rc = 0; | |
1692 | int mapping; | |
1693 | ||
1694 | /* extract the relevant mapping */ | |
1695 | mapping = (data->sf_tach_to_pwm >> (nr * 2)) & 0x03; | |
1696 | ||
1697 | /* if there's a mapping and it's enabled */ | |
1698 | if (mapping && ((data->sfc2 >> nr) & 0x01)) | |
1699 | rc = mapping; | |
2804a4cf | 1700 | return sprintf(buf, "%ld\n", rc); |
e46957ed HJK |
1701 | } |
1702 | ||
2804a4cf GR |
1703 | /* |
1704 | * helper function - must grab data->update_lock before calling | |
1705 | * fan is 0-3, indicating fan1-fan4 | |
1706 | */ | |
e46957ed HJK |
1707 | static void lm93_write_fan_smart_tach(struct i2c_client *client, |
1708 | struct lm93_data *data, int fan, long value) | |
1709 | { | |
1710 | /* insert the new mapping and write it out */ | |
1711 | data->sf_tach_to_pwm = lm93_read_byte(client, LM93_REG_SF_TACH_TO_PWM); | |
1712 | data->sf_tach_to_pwm &= ~(0x3 << fan * 2); | |
1713 | data->sf_tach_to_pwm |= value << fan * 2; | |
1714 | lm93_write_byte(client, LM93_REG_SF_TACH_TO_PWM, data->sf_tach_to_pwm); | |
1715 | ||
1716 | /* insert the enable bit and write it out */ | |
1717 | data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); | |
1718 | if (value) | |
1719 | data->sfc2 |= 1 << fan; | |
1720 | else | |
1721 | data->sfc2 &= ~(1 << fan); | |
1722 | lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); | |
1723 | } | |
1724 | ||
7f9d0581 GR |
1725 | static ssize_t fan_smart_tach_store(struct device *dev, |
1726 | struct device_attribute *attr, | |
1727 | const char *buf, size_t count) | |
e46957ed HJK |
1728 | { |
1729 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1730 | struct lm93_data *data = dev_get_drvdata(dev); |
1731 | struct i2c_client *client = data->client; | |
2804a4cf GR |
1732 | unsigned long val; |
1733 | int err; | |
1734 | ||
1735 | err = kstrtoul(buf, 10, &val); | |
1736 | if (err) | |
1737 | return err; | |
e46957ed HJK |
1738 | |
1739 | mutex_lock(&data->update_lock); | |
1740 | /* sanity test, ignore the write otherwise */ | |
3be8102f | 1741 | if (val <= 2) { |
e46957ed HJK |
1742 | /* can't enable if pwm freq is 22.5KHz */ |
1743 | if (val) { | |
1744 | u8 ctl4 = lm93_read_byte(client, | |
2804a4cf | 1745 | LM93_REG_PWM_CTL(val - 1, LM93_PWM_CTL4)); |
e46957ed HJK |
1746 | if ((ctl4 & 0x07) == 0) |
1747 | val = 0; | |
1748 | } | |
1749 | lm93_write_fan_smart_tach(client, data, nr, val); | |
1750 | } | |
1751 | mutex_unlock(&data->update_lock); | |
1752 | return count; | |
1753 | } | |
1754 | ||
7f9d0581 GR |
1755 | static SENSOR_DEVICE_ATTR_RW(fan1_smart_tach, fan_smart_tach, 0); |
1756 | static SENSOR_DEVICE_ATTR_RW(fan2_smart_tach, fan_smart_tach, 1); | |
1757 | static SENSOR_DEVICE_ATTR_RW(fan3_smart_tach, fan_smart_tach, 2); | |
1758 | static SENSOR_DEVICE_ATTR_RW(fan4_smart_tach, fan_smart_tach, 3); | |
e46957ed | 1759 | |
7f9d0581 | 1760 | static ssize_t pwm_show(struct device *dev, struct device_attribute *attr, |
e46957ed HJK |
1761 | char *buf) |
1762 | { | |
1763 | int nr = (to_sensor_dev_attr(attr))->index; | |
1764 | struct lm93_data *data = lm93_update_device(dev); | |
1765 | u8 ctl2, ctl4; | |
1766 | long rc; | |
1767 | ||
1768 | ctl2 = data->block9[nr][LM93_PWM_CTL2]; | |
1769 | ctl4 = data->block9[nr][LM93_PWM_CTL4]; | |
1770 | if (ctl2 & 0x01) /* show user commanded value if enabled */ | |
1771 | rc = data->pwm_override[nr]; | |
1772 | else /* show present h/w value if manual pwm disabled */ | |
1773 | rc = LM93_PWM_FROM_REG(ctl2 >> 4, (ctl4 & 0x07) ? | |
1774 | LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ); | |
2804a4cf | 1775 | return sprintf(buf, "%ld\n", rc); |
e46957ed HJK |
1776 | } |
1777 | ||
7f9d0581 GR |
1778 | static ssize_t pwm_store(struct device *dev, struct device_attribute *attr, |
1779 | const char *buf, size_t count) | |
e46957ed HJK |
1780 | { |
1781 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1782 | struct lm93_data *data = dev_get_drvdata(dev); |
1783 | struct i2c_client *client = data->client; | |
e46957ed | 1784 | u8 ctl2, ctl4; |
2804a4cf GR |
1785 | unsigned long val; |
1786 | int err; | |
1787 | ||
1788 | err = kstrtoul(buf, 10, &val); | |
1789 | if (err) | |
1790 | return err; | |
e46957ed HJK |
1791 | |
1792 | mutex_lock(&data->update_lock); | |
2804a4cf GR |
1793 | ctl2 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2)); |
1794 | ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4)); | |
1795 | ctl2 = (ctl2 & 0x0f) | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ? | |
e46957ed HJK |
1796 | LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ) << 4; |
1797 | /* save user commanded value */ | |
1798 | data->pwm_override[nr] = LM93_PWM_FROM_REG(ctl2 >> 4, | |
1799 | (ctl4 & 0x07) ? LM93_PWM_MAP_LO_FREQ : | |
1800 | LM93_PWM_MAP_HI_FREQ); | |
2804a4cf | 1801 | lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2), ctl2); |
e46957ed HJK |
1802 | mutex_unlock(&data->update_lock); |
1803 | return count; | |
1804 | } | |
1805 | ||
7f9d0581 GR |
1806 | static SENSOR_DEVICE_ATTR_RW(pwm1, pwm, 0); |
1807 | static SENSOR_DEVICE_ATTR_RW(pwm2, pwm, 1); | |
e46957ed | 1808 | |
7f9d0581 GR |
1809 | static ssize_t pwm_enable_show(struct device *dev, |
1810 | struct device_attribute *attr, char *buf) | |
e46957ed HJK |
1811 | { |
1812 | int nr = (to_sensor_dev_attr(attr))->index; | |
1813 | struct lm93_data *data = lm93_update_device(dev); | |
1814 | u8 ctl2; | |
1815 | long rc; | |
1816 | ||
1817 | ctl2 = data->block9[nr][LM93_PWM_CTL2]; | |
1818 | if (ctl2 & 0x01) /* manual override enabled ? */ | |
1819 | rc = ((ctl2 & 0xF0) == 0xF0) ? 0 : 1; | |
1820 | else | |
1821 | rc = 2; | |
2804a4cf | 1822 | return sprintf(buf, "%ld\n", rc); |
e46957ed HJK |
1823 | } |
1824 | ||
7f9d0581 | 1825 | static ssize_t pwm_enable_store(struct device *dev, |
e46957ed HJK |
1826 | struct device_attribute *attr, |
1827 | const char *buf, size_t count) | |
1828 | { | |
1829 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1830 | struct lm93_data *data = dev_get_drvdata(dev); |
1831 | struct i2c_client *client = data->client; | |
e46957ed | 1832 | u8 ctl2; |
2804a4cf GR |
1833 | unsigned long val; |
1834 | int err; | |
1835 | ||
1836 | err = kstrtoul(buf, 10, &val); | |
1837 | if (err) | |
1838 | return err; | |
e46957ed HJK |
1839 | |
1840 | mutex_lock(&data->update_lock); | |
2804a4cf | 1841 | ctl2 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2)); |
e46957ed HJK |
1842 | |
1843 | switch (val) { | |
1844 | case 0: | |
1845 | ctl2 |= 0xF1; /* enable manual override, set PWM to max */ | |
1846 | break; | |
2804a4cf GR |
1847 | case 1: |
1848 | ctl2 |= 0x01; /* enable manual override */ | |
e46957ed | 1849 | break; |
2804a4cf GR |
1850 | case 2: |
1851 | ctl2 &= ~0x01; /* disable manual override */ | |
e46957ed HJK |
1852 | break; |
1853 | default: | |
1854 | mutex_unlock(&data->update_lock); | |
1855 | return -EINVAL; | |
1856 | } | |
1857 | ||
2804a4cf | 1858 | lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2), ctl2); |
e46957ed HJK |
1859 | mutex_unlock(&data->update_lock); |
1860 | return count; | |
1861 | } | |
1862 | ||
7f9d0581 GR |
1863 | static SENSOR_DEVICE_ATTR_RW(pwm1_enable, pwm_enable, 0); |
1864 | static SENSOR_DEVICE_ATTR_RW(pwm2_enable, pwm_enable, 1); | |
e46957ed | 1865 | |
7f9d0581 GR |
1866 | static ssize_t pwm_freq_show(struct device *dev, |
1867 | struct device_attribute *attr, char *buf) | |
e46957ed HJK |
1868 | { |
1869 | int nr = (to_sensor_dev_attr(attr))->index; | |
1870 | struct lm93_data *data = lm93_update_device(dev); | |
1871 | u8 ctl4; | |
1872 | ||
1873 | ctl4 = data->block9[nr][LM93_PWM_CTL4]; | |
2804a4cf | 1874 | return sprintf(buf, "%d\n", LM93_PWM_FREQ_FROM_REG(ctl4)); |
e46957ed HJK |
1875 | } |
1876 | ||
2804a4cf GR |
1877 | /* |
1878 | * helper function - must grab data->update_lock before calling | |
1879 | * pwm is 0-1, indicating pwm1-pwm2 | |
1880 | * this disables smart tach for all tach channels bound to the given pwm | |
1881 | */ | |
e46957ed HJK |
1882 | static void lm93_disable_fan_smart_tach(struct i2c_client *client, |
1883 | struct lm93_data *data, int pwm) | |
1884 | { | |
1885 | int mapping = lm93_read_byte(client, LM93_REG_SF_TACH_TO_PWM); | |
1886 | int mask; | |
1887 | ||
1888 | /* collapse the mapping into a mask of enable bits */ | |
1889 | mapping = (mapping >> pwm) & 0x55; | |
1890 | mask = mapping & 0x01; | |
1891 | mask |= (mapping & 0x04) >> 1; | |
1892 | mask |= (mapping & 0x10) >> 2; | |
1893 | mask |= (mapping & 0x40) >> 3; | |
1894 | ||
1895 | /* disable smart tach according to the mask */ | |
1896 | data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); | |
1897 | data->sfc2 &= ~mask; | |
1898 | lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); | |
1899 | } | |
1900 | ||
7f9d0581 GR |
1901 | static ssize_t pwm_freq_store(struct device *dev, |
1902 | struct device_attribute *attr, const char *buf, | |
1903 | size_t count) | |
e46957ed HJK |
1904 | { |
1905 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1906 | struct lm93_data *data = dev_get_drvdata(dev); |
1907 | struct i2c_client *client = data->client; | |
e46957ed | 1908 | u8 ctl4; |
2804a4cf GR |
1909 | unsigned long val; |
1910 | int err; | |
1911 | ||
1912 | err = kstrtoul(buf, 10, &val); | |
1913 | if (err) | |
1914 | return err; | |
e46957ed HJK |
1915 | |
1916 | mutex_lock(&data->update_lock); | |
2804a4cf | 1917 | ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4)); |
e46957ed HJK |
1918 | ctl4 = (ctl4 & 0xf8) | LM93_PWM_FREQ_TO_REG(val); |
1919 | data->block9[nr][LM93_PWM_CTL4] = ctl4; | |
1920 | /* ctl4 == 0 -> 22.5KHz -> disable smart tach */ | |
1921 | if (!ctl4) | |
1922 | lm93_disable_fan_smart_tach(client, data, nr); | |
2804a4cf | 1923 | lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4), ctl4); |
e46957ed HJK |
1924 | mutex_unlock(&data->update_lock); |
1925 | return count; | |
1926 | } | |
1927 | ||
7f9d0581 GR |
1928 | static SENSOR_DEVICE_ATTR_RW(pwm1_freq, pwm_freq, 0); |
1929 | static SENSOR_DEVICE_ATTR_RW(pwm2_freq, pwm_freq, 1); | |
e46957ed | 1930 | |
7f9d0581 GR |
1931 | static ssize_t pwm_auto_channels_show(struct device *dev, |
1932 | struct device_attribute *attr, | |
1933 | char *buf) | |
e46957ed HJK |
1934 | { |
1935 | int nr = (to_sensor_dev_attr(attr))->index; | |
1936 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 1937 | return sprintf(buf, "%d\n", data->block9[nr][LM93_PWM_CTL1]); |
e46957ed HJK |
1938 | } |
1939 | ||
7f9d0581 GR |
1940 | static ssize_t pwm_auto_channels_store(struct device *dev, |
1941 | struct device_attribute *attr, | |
1942 | const char *buf, size_t count) | |
e46957ed HJK |
1943 | { |
1944 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1945 | struct lm93_data *data = dev_get_drvdata(dev); |
1946 | struct i2c_client *client = data->client; | |
2804a4cf GR |
1947 | unsigned long val; |
1948 | int err; | |
1949 | ||
1950 | err = kstrtoul(buf, 10, &val); | |
1951 | if (err) | |
1952 | return err; | |
e46957ed HJK |
1953 | |
1954 | mutex_lock(&data->update_lock); | |
2a844c14 | 1955 | data->block9[nr][LM93_PWM_CTL1] = clamp_val(val, 0, 255); |
2804a4cf | 1956 | lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL1), |
e46957ed HJK |
1957 | data->block9[nr][LM93_PWM_CTL1]); |
1958 | mutex_unlock(&data->update_lock); | |
1959 | return count; | |
1960 | } | |
1961 | ||
7f9d0581 GR |
1962 | static SENSOR_DEVICE_ATTR_RW(pwm1_auto_channels, pwm_auto_channels, 0); |
1963 | static SENSOR_DEVICE_ATTR_RW(pwm2_auto_channels, pwm_auto_channels, 1); | |
e46957ed | 1964 | |
7f9d0581 GR |
1965 | static ssize_t pwm_auto_spinup_min_show(struct device *dev, |
1966 | struct device_attribute *attr, | |
1967 | char *buf) | |
e46957ed HJK |
1968 | { |
1969 | int nr = (to_sensor_dev_attr(attr))->index; | |
1970 | struct lm93_data *data = lm93_update_device(dev); | |
1971 | u8 ctl3, ctl4; | |
1972 | ||
1973 | ctl3 = data->block9[nr][LM93_PWM_CTL3]; | |
1974 | ctl4 = data->block9[nr][LM93_PWM_CTL4]; | |
2804a4cf | 1975 | return sprintf(buf, "%d\n", |
e46957ed HJK |
1976 | LM93_PWM_FROM_REG(ctl3 & 0x0f, (ctl4 & 0x07) ? |
1977 | LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ)); | |
1978 | } | |
1979 | ||
7f9d0581 GR |
1980 | static ssize_t pwm_auto_spinup_min_store(struct device *dev, |
1981 | struct device_attribute *attr, | |
1982 | const char *buf, size_t count) | |
e46957ed HJK |
1983 | { |
1984 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1985 | struct lm93_data *data = dev_get_drvdata(dev); |
1986 | struct i2c_client *client = data->client; | |
e46957ed | 1987 | u8 ctl3, ctl4; |
2804a4cf GR |
1988 | unsigned long val; |
1989 | int err; | |
1990 | ||
1991 | err = kstrtoul(buf, 10, &val); | |
1992 | if (err) | |
1993 | return err; | |
e46957ed HJK |
1994 | |
1995 | mutex_lock(&data->update_lock); | |
2804a4cf GR |
1996 | ctl3 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3)); |
1997 | ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4)); | |
1998 | ctl3 = (ctl3 & 0xf0) | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ? | |
e46957ed HJK |
1999 | LM93_PWM_MAP_LO_FREQ : |
2000 | LM93_PWM_MAP_HI_FREQ); | |
2001 | data->block9[nr][LM93_PWM_CTL3] = ctl3; | |
2804a4cf | 2002 | lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3); |
e46957ed HJK |
2003 | mutex_unlock(&data->update_lock); |
2004 | return count; | |
2005 | } | |
2006 | ||
7f9d0581 GR |
2007 | static SENSOR_DEVICE_ATTR_RW(pwm1_auto_spinup_min, pwm_auto_spinup_min, 0); |
2008 | static SENSOR_DEVICE_ATTR_RW(pwm2_auto_spinup_min, pwm_auto_spinup_min, 1); | |
e46957ed | 2009 | |
7f9d0581 GR |
2010 | static ssize_t pwm_auto_spinup_time_show(struct device *dev, |
2011 | struct device_attribute *attr, | |
2012 | char *buf) | |
e46957ed HJK |
2013 | { |
2014 | int nr = (to_sensor_dev_attr(attr))->index; | |
2015 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2016 | return sprintf(buf, "%d\n", LM93_SPINUP_TIME_FROM_REG( |
e46957ed HJK |
2017 | data->block9[nr][LM93_PWM_CTL3])); |
2018 | } | |
2019 | ||
7f9d0581 GR |
2020 | static ssize_t pwm_auto_spinup_time_store(struct device *dev, |
2021 | struct device_attribute *attr, | |
2022 | const char *buf, size_t count) | |
e46957ed HJK |
2023 | { |
2024 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
2025 | struct lm93_data *data = dev_get_drvdata(dev); |
2026 | struct i2c_client *client = data->client; | |
e46957ed | 2027 | u8 ctl3; |
2804a4cf GR |
2028 | unsigned long val; |
2029 | int err; | |
2030 | ||
2031 | err = kstrtoul(buf, 10, &val); | |
2032 | if (err) | |
2033 | return err; | |
e46957ed HJK |
2034 | |
2035 | mutex_lock(&data->update_lock); | |
2804a4cf | 2036 | ctl3 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3)); |
e46957ed HJK |
2037 | ctl3 = (ctl3 & 0x1f) | (LM93_SPINUP_TIME_TO_REG(val) << 5 & 0xe0); |
2038 | data->block9[nr][LM93_PWM_CTL3] = ctl3; | |
2804a4cf | 2039 | lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3); |
e46957ed HJK |
2040 | mutex_unlock(&data->update_lock); |
2041 | return count; | |
2042 | } | |
2043 | ||
7f9d0581 GR |
2044 | static SENSOR_DEVICE_ATTR_RW(pwm1_auto_spinup_time, pwm_auto_spinup_time, 0); |
2045 | static SENSOR_DEVICE_ATTR_RW(pwm2_auto_spinup_time, pwm_auto_spinup_time, 1); | |
e46957ed | 2046 | |
ce847a33 | 2047 | static ssize_t pwm_auto_prochot_ramp_show(struct device *dev, |
e46957ed HJK |
2048 | struct device_attribute *attr, char *buf) |
2049 | { | |
2050 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2051 | return sprintf(buf, "%d\n", |
e46957ed HJK |
2052 | LM93_RAMP_FROM_REG(data->pwm_ramp_ctl >> 4 & 0x0f)); |
2053 | } | |
2054 | ||
ce847a33 | 2055 | static ssize_t pwm_auto_prochot_ramp_store(struct device *dev, |
e46957ed HJK |
2056 | struct device_attribute *attr, |
2057 | const char *buf, size_t count) | |
2058 | { | |
6579d589 AL |
2059 | struct lm93_data *data = dev_get_drvdata(dev); |
2060 | struct i2c_client *client = data->client; | |
e46957ed | 2061 | u8 ramp; |
2804a4cf GR |
2062 | unsigned long val; |
2063 | int err; | |
2064 | ||
2065 | err = kstrtoul(buf, 10, &val); | |
2066 | if (err) | |
2067 | return err; | |
e46957ed HJK |
2068 | |
2069 | mutex_lock(&data->update_lock); | |
2070 | ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL); | |
2071 | ramp = (ramp & 0x0f) | (LM93_RAMP_TO_REG(val) << 4 & 0xf0); | |
2072 | lm93_write_byte(client, LM93_REG_PWM_RAMP_CTL, ramp); | |
2073 | mutex_unlock(&data->update_lock); | |
2074 | return count; | |
2075 | } | |
2076 | ||
ce847a33 | 2077 | static DEVICE_ATTR_RW(pwm_auto_prochot_ramp); |
e46957ed | 2078 | |
ce847a33 | 2079 | static ssize_t pwm_auto_vrdhot_ramp_show(struct device *dev, |
e46957ed HJK |
2080 | struct device_attribute *attr, char *buf) |
2081 | { | |
2082 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2083 | return sprintf(buf, "%d\n", |
e46957ed HJK |
2084 | LM93_RAMP_FROM_REG(data->pwm_ramp_ctl & 0x0f)); |
2085 | } | |
2086 | ||
ce847a33 | 2087 | static ssize_t pwm_auto_vrdhot_ramp_store(struct device *dev, |
e46957ed HJK |
2088 | struct device_attribute *attr, |
2089 | const char *buf, size_t count) | |
2090 | { | |
6579d589 AL |
2091 | struct lm93_data *data = dev_get_drvdata(dev); |
2092 | struct i2c_client *client = data->client; | |
e46957ed | 2093 | u8 ramp; |
2804a4cf GR |
2094 | unsigned long val; |
2095 | int err; | |
2096 | ||
2097 | err = kstrtoul(buf, 10, &val); | |
2098 | if (err) | |
2099 | return err; | |
e46957ed HJK |
2100 | |
2101 | mutex_lock(&data->update_lock); | |
2102 | ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL); | |
2103 | ramp = (ramp & 0xf0) | (LM93_RAMP_TO_REG(val) & 0x0f); | |
2104 | lm93_write_byte(client, LM93_REG_PWM_RAMP_CTL, ramp); | |
2105 | mutex_unlock(&data->update_lock); | |
2106 | return 0; | |
2107 | } | |
2108 | ||
ce847a33 | 2109 | static DEVICE_ATTR_RW(pwm_auto_vrdhot_ramp); |
e46957ed | 2110 | |
7f9d0581 | 2111 | static ssize_t vid_show(struct device *dev, struct device_attribute *attr, |
e46957ed HJK |
2112 | char *buf) |
2113 | { | |
2114 | int nr = (to_sensor_dev_attr(attr))->index; | |
2115 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2116 | return sprintf(buf, "%d\n", LM93_VID_FROM_REG(data->vid[nr])); |
e46957ed HJK |
2117 | } |
2118 | ||
7f9d0581 GR |
2119 | static SENSOR_DEVICE_ATTR_RO(cpu0_vid, vid, 0); |
2120 | static SENSOR_DEVICE_ATTR_RO(cpu1_vid, vid, 1); | |
e46957ed | 2121 | |
7f9d0581 GR |
2122 | static ssize_t prochot_show(struct device *dev, struct device_attribute *attr, |
2123 | char *buf) | |
e46957ed HJK |
2124 | { |
2125 | int nr = (to_sensor_dev_attr(attr))->index; | |
2126 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2127 | return sprintf(buf, "%d\n", data->block4[nr].cur); |
e46957ed HJK |
2128 | } |
2129 | ||
7f9d0581 GR |
2130 | static SENSOR_DEVICE_ATTR_RO(prochot1, prochot, 0); |
2131 | static SENSOR_DEVICE_ATTR_RO(prochot2, prochot, 1); | |
e46957ed | 2132 | |
7f9d0581 | 2133 | static ssize_t prochot_avg_show(struct device *dev, |
e46957ed HJK |
2134 | struct device_attribute *attr, char *buf) |
2135 | { | |
2136 | int nr = (to_sensor_dev_attr(attr))->index; | |
2137 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2138 | return sprintf(buf, "%d\n", data->block4[nr].avg); |
e46957ed HJK |
2139 | } |
2140 | ||
7f9d0581 GR |
2141 | static SENSOR_DEVICE_ATTR_RO(prochot1_avg, prochot_avg, 0); |
2142 | static SENSOR_DEVICE_ATTR_RO(prochot2_avg, prochot_avg, 1); | |
e46957ed | 2143 | |
7f9d0581 | 2144 | static ssize_t prochot_max_show(struct device *dev, |
e46957ed HJK |
2145 | struct device_attribute *attr, char *buf) |
2146 | { | |
2147 | int nr = (to_sensor_dev_attr(attr))->index; | |
2148 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2149 | return sprintf(buf, "%d\n", data->prochot_max[nr]); |
e46957ed HJK |
2150 | } |
2151 | ||
7f9d0581 GR |
2152 | static ssize_t prochot_max_store(struct device *dev, |
2153 | struct device_attribute *attr, | |
2154 | const char *buf, size_t count) | |
e46957ed HJK |
2155 | { |
2156 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
2157 | struct lm93_data *data = dev_get_drvdata(dev); |
2158 | struct i2c_client *client = data->client; | |
2804a4cf GR |
2159 | unsigned long val; |
2160 | int err; | |
2161 | ||
2162 | err = kstrtoul(buf, 10, &val); | |
2163 | if (err) | |
2164 | return err; | |
e46957ed HJK |
2165 | |
2166 | mutex_lock(&data->update_lock); | |
2167 | data->prochot_max[nr] = LM93_PROCHOT_TO_REG(val); | |
2168 | lm93_write_byte(client, LM93_REG_PROCHOT_MAX(nr), | |
2169 | data->prochot_max[nr]); | |
2170 | mutex_unlock(&data->update_lock); | |
2171 | return count; | |
2172 | } | |
2173 | ||
7f9d0581 GR |
2174 | static SENSOR_DEVICE_ATTR_RW(prochot1_max, prochot_max, 0); |
2175 | static SENSOR_DEVICE_ATTR_RW(prochot2_max, prochot_max, 1); | |
e46957ed HJK |
2176 | |
2177 | static const u8 prochot_override_mask[] = { 0x80, 0x40 }; | |
2178 | ||
7f9d0581 GR |
2179 | static ssize_t prochot_override_show(struct device *dev, |
2180 | struct device_attribute *attr, char *buf) | |
e46957ed HJK |
2181 | { |
2182 | int nr = (to_sensor_dev_attr(attr))->index; | |
2183 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2184 | return sprintf(buf, "%d\n", |
e46957ed HJK |
2185 | (data->prochot_override & prochot_override_mask[nr]) ? 1 : 0); |
2186 | } | |
2187 | ||
7f9d0581 GR |
2188 | static ssize_t prochot_override_store(struct device *dev, |
2189 | struct device_attribute *attr, | |
2190 | const char *buf, size_t count) | |
e46957ed HJK |
2191 | { |
2192 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
2193 | struct lm93_data *data = dev_get_drvdata(dev); |
2194 | struct i2c_client *client = data->client; | |
2804a4cf GR |
2195 | unsigned long val; |
2196 | int err; | |
2197 | ||
2198 | err = kstrtoul(buf, 10, &val); | |
2199 | if (err) | |
2200 | return err; | |
e46957ed HJK |
2201 | |
2202 | mutex_lock(&data->update_lock); | |
2203 | if (val) | |
2204 | data->prochot_override |= prochot_override_mask[nr]; | |
2205 | else | |
2206 | data->prochot_override &= (~prochot_override_mask[nr]); | |
2207 | lm93_write_byte(client, LM93_REG_PROCHOT_OVERRIDE, | |
2208 | data->prochot_override); | |
2209 | mutex_unlock(&data->update_lock); | |
2210 | return count; | |
2211 | } | |
2212 | ||
7f9d0581 GR |
2213 | static SENSOR_DEVICE_ATTR_RW(prochot1_override, prochot_override, 0); |
2214 | static SENSOR_DEVICE_ATTR_RW(prochot2_override, prochot_override, 1); | |
e46957ed | 2215 | |
7f9d0581 GR |
2216 | static ssize_t prochot_interval_show(struct device *dev, |
2217 | struct device_attribute *attr, char *buf) | |
e46957ed HJK |
2218 | { |
2219 | int nr = (to_sensor_dev_attr(attr))->index; | |
2220 | struct lm93_data *data = lm93_update_device(dev); | |
2221 | u8 tmp; | |
2804a4cf | 2222 | if (nr == 1) |
e46957ed HJK |
2223 | tmp = (data->prochot_interval & 0xf0) >> 4; |
2224 | else | |
2225 | tmp = data->prochot_interval & 0x0f; | |
2804a4cf | 2226 | return sprintf(buf, "%d\n", LM93_INTERVAL_FROM_REG(tmp)); |
e46957ed HJK |
2227 | } |
2228 | ||
7f9d0581 GR |
2229 | static ssize_t prochot_interval_store(struct device *dev, |
2230 | struct device_attribute *attr, | |
2231 | const char *buf, size_t count) | |
e46957ed HJK |
2232 | { |
2233 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
2234 | struct lm93_data *data = dev_get_drvdata(dev); |
2235 | struct i2c_client *client = data->client; | |
e46957ed | 2236 | u8 tmp; |
2804a4cf GR |
2237 | unsigned long val; |
2238 | int err; | |
2239 | ||
2240 | err = kstrtoul(buf, 10, &val); | |
2241 | if (err) | |
2242 | return err; | |
e46957ed HJK |
2243 | |
2244 | mutex_lock(&data->update_lock); | |
2245 | tmp = lm93_read_byte(client, LM93_REG_PROCHOT_INTERVAL); | |
2804a4cf | 2246 | if (nr == 1) |
e46957ed HJK |
2247 | tmp = (tmp & 0x0f) | (LM93_INTERVAL_TO_REG(val) << 4); |
2248 | else | |
2249 | tmp = (tmp & 0xf0) | LM93_INTERVAL_TO_REG(val); | |
2250 | data->prochot_interval = tmp; | |
2251 | lm93_write_byte(client, LM93_REG_PROCHOT_INTERVAL, tmp); | |
2252 | mutex_unlock(&data->update_lock); | |
2253 | return count; | |
2254 | } | |
2255 | ||
7f9d0581 GR |
2256 | static SENSOR_DEVICE_ATTR_RW(prochot1_interval, prochot_interval, 0); |
2257 | static SENSOR_DEVICE_ATTR_RW(prochot2_interval, prochot_interval, 1); | |
e46957ed | 2258 | |
ce847a33 | 2259 | static ssize_t prochot_override_duty_cycle_show(struct device *dev, |
e46957ed HJK |
2260 | struct device_attribute *attr, |
2261 | char *buf) | |
2262 | { | |
2263 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2264 | return sprintf(buf, "%d\n", data->prochot_override & 0x0f); |
e46957ed HJK |
2265 | } |
2266 | ||
ce847a33 | 2267 | static ssize_t prochot_override_duty_cycle_store(struct device *dev, |
e46957ed HJK |
2268 | struct device_attribute *attr, |
2269 | const char *buf, size_t count) | |
2270 | { | |
6579d589 AL |
2271 | struct lm93_data *data = dev_get_drvdata(dev); |
2272 | struct i2c_client *client = data->client; | |
2804a4cf GR |
2273 | unsigned long val; |
2274 | int err; | |
2275 | ||
2276 | err = kstrtoul(buf, 10, &val); | |
2277 | if (err) | |
2278 | return err; | |
e46957ed HJK |
2279 | |
2280 | mutex_lock(&data->update_lock); | |
2281 | data->prochot_override = (data->prochot_override & 0xf0) | | |
2a844c14 | 2282 | clamp_val(val, 0, 15); |
e46957ed HJK |
2283 | lm93_write_byte(client, LM93_REG_PROCHOT_OVERRIDE, |
2284 | data->prochot_override); | |
2285 | mutex_unlock(&data->update_lock); | |
2286 | return count; | |
2287 | } | |
2288 | ||
ce847a33 | 2289 | static DEVICE_ATTR_RW(prochot_override_duty_cycle); |
e46957ed | 2290 | |
ce847a33 | 2291 | static ssize_t prochot_short_show(struct device *dev, |
e46957ed HJK |
2292 | struct device_attribute *attr, char *buf) |
2293 | { | |
2294 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2295 | return sprintf(buf, "%d\n", (data->config & 0x10) ? 1 : 0); |
e46957ed HJK |
2296 | } |
2297 | ||
ce847a33 | 2298 | static ssize_t prochot_short_store(struct device *dev, |
e46957ed HJK |
2299 | struct device_attribute *attr, |
2300 | const char *buf, size_t count) | |
2301 | { | |
6579d589 AL |
2302 | struct lm93_data *data = dev_get_drvdata(dev); |
2303 | struct i2c_client *client = data->client; | |
2804a4cf GR |
2304 | unsigned long val; |
2305 | int err; | |
2306 | ||
2307 | err = kstrtoul(buf, 10, &val); | |
2308 | if (err) | |
2309 | return err; | |
e46957ed HJK |
2310 | |
2311 | mutex_lock(&data->update_lock); | |
2312 | if (val) | |
2313 | data->config |= 0x10; | |
2314 | else | |
2315 | data->config &= ~0x10; | |
2316 | lm93_write_byte(client, LM93_REG_CONFIG, data->config); | |
2317 | mutex_unlock(&data->update_lock); | |
2318 | return count; | |
2319 | } | |
2320 | ||
ce847a33 | 2321 | static DEVICE_ATTR_RW(prochot_short); |
e46957ed | 2322 | |
7f9d0581 GR |
2323 | static ssize_t vrdhot_show(struct device *dev, struct device_attribute *attr, |
2324 | char *buf) | |
e46957ed HJK |
2325 | { |
2326 | int nr = (to_sensor_dev_attr(attr))->index; | |
2327 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf GR |
2328 | return sprintf(buf, "%d\n", |
2329 | data->block1.host_status_1 & (1 << (nr + 4)) ? 1 : 0); | |
e46957ed HJK |
2330 | } |
2331 | ||
7f9d0581 GR |
2332 | static SENSOR_DEVICE_ATTR_RO(vrdhot1, vrdhot, 0); |
2333 | static SENSOR_DEVICE_ATTR_RO(vrdhot2, vrdhot, 1); | |
e46957ed | 2334 | |
ce847a33 | 2335 | static ssize_t gpio_show(struct device *dev, struct device_attribute *attr, |
e46957ed HJK |
2336 | char *buf) |
2337 | { | |
2338 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2339 | return sprintf(buf, "%d\n", LM93_GPI_FROM_REG(data->gpi)); |
e46957ed HJK |
2340 | } |
2341 | ||
ce847a33 | 2342 | static DEVICE_ATTR_RO(gpio); |
e46957ed | 2343 | |
ce847a33 | 2344 | static ssize_t alarms_show(struct device *dev, struct device_attribute *attr, |
e46957ed HJK |
2345 | char *buf) |
2346 | { | |
2347 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2348 | return sprintf(buf, "%d\n", LM93_ALARMS_FROM_REG(data->block1)); |
e46957ed HJK |
2349 | } |
2350 | ||
ce847a33 | 2351 | static DEVICE_ATTR_RO(alarms); |
e46957ed HJK |
2352 | |
2353 | static struct attribute *lm93_attrs[] = { | |
2354 | &sensor_dev_attr_in1_input.dev_attr.attr, | |
2355 | &sensor_dev_attr_in2_input.dev_attr.attr, | |
2356 | &sensor_dev_attr_in3_input.dev_attr.attr, | |
2357 | &sensor_dev_attr_in4_input.dev_attr.attr, | |
2358 | &sensor_dev_attr_in5_input.dev_attr.attr, | |
2359 | &sensor_dev_attr_in6_input.dev_attr.attr, | |
2360 | &sensor_dev_attr_in7_input.dev_attr.attr, | |
2361 | &sensor_dev_attr_in8_input.dev_attr.attr, | |
2362 | &sensor_dev_attr_in9_input.dev_attr.attr, | |
2363 | &sensor_dev_attr_in10_input.dev_attr.attr, | |
2364 | &sensor_dev_attr_in11_input.dev_attr.attr, | |
2365 | &sensor_dev_attr_in12_input.dev_attr.attr, | |
2366 | &sensor_dev_attr_in13_input.dev_attr.attr, | |
2367 | &sensor_dev_attr_in14_input.dev_attr.attr, | |
2368 | &sensor_dev_attr_in15_input.dev_attr.attr, | |
2369 | &sensor_dev_attr_in16_input.dev_attr.attr, | |
2370 | &sensor_dev_attr_in1_min.dev_attr.attr, | |
2371 | &sensor_dev_attr_in2_min.dev_attr.attr, | |
2372 | &sensor_dev_attr_in3_min.dev_attr.attr, | |
2373 | &sensor_dev_attr_in4_min.dev_attr.attr, | |
2374 | &sensor_dev_attr_in5_min.dev_attr.attr, | |
2375 | &sensor_dev_attr_in6_min.dev_attr.attr, | |
2376 | &sensor_dev_attr_in7_min.dev_attr.attr, | |
2377 | &sensor_dev_attr_in8_min.dev_attr.attr, | |
2378 | &sensor_dev_attr_in9_min.dev_attr.attr, | |
2379 | &sensor_dev_attr_in10_min.dev_attr.attr, | |
2380 | &sensor_dev_attr_in11_min.dev_attr.attr, | |
2381 | &sensor_dev_attr_in12_min.dev_attr.attr, | |
2382 | &sensor_dev_attr_in13_min.dev_attr.attr, | |
2383 | &sensor_dev_attr_in14_min.dev_attr.attr, | |
2384 | &sensor_dev_attr_in15_min.dev_attr.attr, | |
2385 | &sensor_dev_attr_in16_min.dev_attr.attr, | |
2386 | &sensor_dev_attr_in1_max.dev_attr.attr, | |
2387 | &sensor_dev_attr_in2_max.dev_attr.attr, | |
2388 | &sensor_dev_attr_in3_max.dev_attr.attr, | |
2389 | &sensor_dev_attr_in4_max.dev_attr.attr, | |
2390 | &sensor_dev_attr_in5_max.dev_attr.attr, | |
2391 | &sensor_dev_attr_in6_max.dev_attr.attr, | |
2392 | &sensor_dev_attr_in7_max.dev_attr.attr, | |
2393 | &sensor_dev_attr_in8_max.dev_attr.attr, | |
2394 | &sensor_dev_attr_in9_max.dev_attr.attr, | |
2395 | &sensor_dev_attr_in10_max.dev_attr.attr, | |
2396 | &sensor_dev_attr_in11_max.dev_attr.attr, | |
2397 | &sensor_dev_attr_in12_max.dev_attr.attr, | |
2398 | &sensor_dev_attr_in13_max.dev_attr.attr, | |
2399 | &sensor_dev_attr_in14_max.dev_attr.attr, | |
2400 | &sensor_dev_attr_in15_max.dev_attr.attr, | |
2401 | &sensor_dev_attr_in16_max.dev_attr.attr, | |
2402 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
2403 | &sensor_dev_attr_temp2_input.dev_attr.attr, | |
2404 | &sensor_dev_attr_temp3_input.dev_attr.attr, | |
2405 | &sensor_dev_attr_temp1_min.dev_attr.attr, | |
2406 | &sensor_dev_attr_temp2_min.dev_attr.attr, | |
2407 | &sensor_dev_attr_temp3_min.dev_attr.attr, | |
2408 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
2409 | &sensor_dev_attr_temp2_max.dev_attr.attr, | |
2410 | &sensor_dev_attr_temp3_max.dev_attr.attr, | |
2411 | &sensor_dev_attr_temp1_auto_base.dev_attr.attr, | |
2412 | &sensor_dev_attr_temp2_auto_base.dev_attr.attr, | |
2413 | &sensor_dev_attr_temp3_auto_base.dev_attr.attr, | |
2414 | &sensor_dev_attr_temp1_auto_boost.dev_attr.attr, | |
2415 | &sensor_dev_attr_temp2_auto_boost.dev_attr.attr, | |
2416 | &sensor_dev_attr_temp3_auto_boost.dev_attr.attr, | |
2417 | &sensor_dev_attr_temp1_auto_boost_hyst.dev_attr.attr, | |
2418 | &sensor_dev_attr_temp2_auto_boost_hyst.dev_attr.attr, | |
2419 | &sensor_dev_attr_temp3_auto_boost_hyst.dev_attr.attr, | |
2420 | &sensor_dev_attr_temp1_auto_offset1.dev_attr.attr, | |
2421 | &sensor_dev_attr_temp1_auto_offset2.dev_attr.attr, | |
2422 | &sensor_dev_attr_temp1_auto_offset3.dev_attr.attr, | |
2423 | &sensor_dev_attr_temp1_auto_offset4.dev_attr.attr, | |
2424 | &sensor_dev_attr_temp1_auto_offset5.dev_attr.attr, | |
2425 | &sensor_dev_attr_temp1_auto_offset6.dev_attr.attr, | |
2426 | &sensor_dev_attr_temp1_auto_offset7.dev_attr.attr, | |
2427 | &sensor_dev_attr_temp1_auto_offset8.dev_attr.attr, | |
2428 | &sensor_dev_attr_temp1_auto_offset9.dev_attr.attr, | |
2429 | &sensor_dev_attr_temp1_auto_offset10.dev_attr.attr, | |
2430 | &sensor_dev_attr_temp1_auto_offset11.dev_attr.attr, | |
2431 | &sensor_dev_attr_temp1_auto_offset12.dev_attr.attr, | |
2432 | &sensor_dev_attr_temp2_auto_offset1.dev_attr.attr, | |
2433 | &sensor_dev_attr_temp2_auto_offset2.dev_attr.attr, | |
2434 | &sensor_dev_attr_temp2_auto_offset3.dev_attr.attr, | |
2435 | &sensor_dev_attr_temp2_auto_offset4.dev_attr.attr, | |
2436 | &sensor_dev_attr_temp2_auto_offset5.dev_attr.attr, | |
2437 | &sensor_dev_attr_temp2_auto_offset6.dev_attr.attr, | |
2438 | &sensor_dev_attr_temp2_auto_offset7.dev_attr.attr, | |
2439 | &sensor_dev_attr_temp2_auto_offset8.dev_attr.attr, | |
2440 | &sensor_dev_attr_temp2_auto_offset9.dev_attr.attr, | |
2441 | &sensor_dev_attr_temp2_auto_offset10.dev_attr.attr, | |
2442 | &sensor_dev_attr_temp2_auto_offset11.dev_attr.attr, | |
2443 | &sensor_dev_attr_temp2_auto_offset12.dev_attr.attr, | |
2444 | &sensor_dev_attr_temp3_auto_offset1.dev_attr.attr, | |
2445 | &sensor_dev_attr_temp3_auto_offset2.dev_attr.attr, | |
2446 | &sensor_dev_attr_temp3_auto_offset3.dev_attr.attr, | |
2447 | &sensor_dev_attr_temp3_auto_offset4.dev_attr.attr, | |
2448 | &sensor_dev_attr_temp3_auto_offset5.dev_attr.attr, | |
2449 | &sensor_dev_attr_temp3_auto_offset6.dev_attr.attr, | |
2450 | &sensor_dev_attr_temp3_auto_offset7.dev_attr.attr, | |
2451 | &sensor_dev_attr_temp3_auto_offset8.dev_attr.attr, | |
2452 | &sensor_dev_attr_temp3_auto_offset9.dev_attr.attr, | |
2453 | &sensor_dev_attr_temp3_auto_offset10.dev_attr.attr, | |
2454 | &sensor_dev_attr_temp3_auto_offset11.dev_attr.attr, | |
2455 | &sensor_dev_attr_temp3_auto_offset12.dev_attr.attr, | |
2456 | &sensor_dev_attr_temp1_auto_pwm_min.dev_attr.attr, | |
2457 | &sensor_dev_attr_temp2_auto_pwm_min.dev_attr.attr, | |
2458 | &sensor_dev_attr_temp3_auto_pwm_min.dev_attr.attr, | |
2459 | &sensor_dev_attr_temp1_auto_offset_hyst.dev_attr.attr, | |
2460 | &sensor_dev_attr_temp2_auto_offset_hyst.dev_attr.attr, | |
2461 | &sensor_dev_attr_temp3_auto_offset_hyst.dev_attr.attr, | |
2462 | &sensor_dev_attr_fan1_input.dev_attr.attr, | |
2463 | &sensor_dev_attr_fan2_input.dev_attr.attr, | |
2464 | &sensor_dev_attr_fan3_input.dev_attr.attr, | |
2465 | &sensor_dev_attr_fan4_input.dev_attr.attr, | |
2466 | &sensor_dev_attr_fan1_min.dev_attr.attr, | |
2467 | &sensor_dev_attr_fan2_min.dev_attr.attr, | |
2468 | &sensor_dev_attr_fan3_min.dev_attr.attr, | |
2469 | &sensor_dev_attr_fan4_min.dev_attr.attr, | |
2470 | &sensor_dev_attr_fan1_smart_tach.dev_attr.attr, | |
2471 | &sensor_dev_attr_fan2_smart_tach.dev_attr.attr, | |
2472 | &sensor_dev_attr_fan3_smart_tach.dev_attr.attr, | |
2473 | &sensor_dev_attr_fan4_smart_tach.dev_attr.attr, | |
2474 | &sensor_dev_attr_pwm1.dev_attr.attr, | |
2475 | &sensor_dev_attr_pwm2.dev_attr.attr, | |
2476 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, | |
2477 | &sensor_dev_attr_pwm2_enable.dev_attr.attr, | |
2478 | &sensor_dev_attr_pwm1_freq.dev_attr.attr, | |
2479 | &sensor_dev_attr_pwm2_freq.dev_attr.attr, | |
2480 | &sensor_dev_attr_pwm1_auto_channels.dev_attr.attr, | |
2481 | &sensor_dev_attr_pwm2_auto_channels.dev_attr.attr, | |
2482 | &sensor_dev_attr_pwm1_auto_spinup_min.dev_attr.attr, | |
2483 | &sensor_dev_attr_pwm2_auto_spinup_min.dev_attr.attr, | |
2484 | &sensor_dev_attr_pwm1_auto_spinup_time.dev_attr.attr, | |
2485 | &sensor_dev_attr_pwm2_auto_spinup_time.dev_attr.attr, | |
2486 | &dev_attr_pwm_auto_prochot_ramp.attr, | |
2487 | &dev_attr_pwm_auto_vrdhot_ramp.attr, | |
e7f62303 JD |
2488 | &sensor_dev_attr_cpu0_vid.dev_attr.attr, |
2489 | &sensor_dev_attr_cpu1_vid.dev_attr.attr, | |
e46957ed HJK |
2490 | &sensor_dev_attr_prochot1.dev_attr.attr, |
2491 | &sensor_dev_attr_prochot2.dev_attr.attr, | |
2492 | &sensor_dev_attr_prochot1_avg.dev_attr.attr, | |
2493 | &sensor_dev_attr_prochot2_avg.dev_attr.attr, | |
2494 | &sensor_dev_attr_prochot1_max.dev_attr.attr, | |
2495 | &sensor_dev_attr_prochot2_max.dev_attr.attr, | |
2496 | &sensor_dev_attr_prochot1_override.dev_attr.attr, | |
2497 | &sensor_dev_attr_prochot2_override.dev_attr.attr, | |
2498 | &sensor_dev_attr_prochot1_interval.dev_attr.attr, | |
2499 | &sensor_dev_attr_prochot2_interval.dev_attr.attr, | |
2500 | &dev_attr_prochot_override_duty_cycle.attr, | |
2501 | &dev_attr_prochot_short.attr, | |
2502 | &sensor_dev_attr_vrdhot1.dev_attr.attr, | |
2503 | &sensor_dev_attr_vrdhot2.dev_attr.attr, | |
2504 | &dev_attr_gpio.attr, | |
2505 | &dev_attr_alarms.attr, | |
2506 | NULL | |
2507 | }; | |
2508 | ||
6579d589 | 2509 | ATTRIBUTE_GROUPS(lm93); |
e46957ed HJK |
2510 | |
2511 | static void lm93_init_client(struct i2c_client *client) | |
2512 | { | |
2513 | int i; | |
2514 | u8 reg; | |
2515 | ||
2516 | /* configure VID pin input thresholds */ | |
2517 | reg = lm93_read_byte(client, LM93_REG_GPI_VID_CTL); | |
2518 | lm93_write_byte(client, LM93_REG_GPI_VID_CTL, | |
2519 | reg | (vid_agtl ? 0x03 : 0x00)); | |
2520 | ||
2521 | if (init) { | |
2522 | /* enable #ALERT pin */ | |
2523 | reg = lm93_read_byte(client, LM93_REG_CONFIG); | |
2524 | lm93_write_byte(client, LM93_REG_CONFIG, reg | 0x08); | |
2525 | ||
2526 | /* enable ASF mode for BMC status registers */ | |
2527 | reg = lm93_read_byte(client, LM93_REG_STATUS_CONTROL); | |
2528 | lm93_write_byte(client, LM93_REG_STATUS_CONTROL, reg | 0x02); | |
2529 | ||
2530 | /* set sleep state to S0 */ | |
2531 | lm93_write_byte(client, LM93_REG_SLEEP_CONTROL, 0); | |
2532 | ||
2533 | /* unmask #VRDHOT and dynamic VCCP (if nec) error events */ | |
2534 | reg = lm93_read_byte(client, LM93_REG_MISC_ERR_MASK); | |
2535 | reg &= ~0x03; | |
2536 | reg &= ~(vccp_limit_type[0] ? 0x10 : 0); | |
2537 | reg &= ~(vccp_limit_type[1] ? 0x20 : 0); | |
2538 | lm93_write_byte(client, LM93_REG_MISC_ERR_MASK, reg); | |
2539 | } | |
2540 | ||
2541 | /* start monitoring */ | |
2542 | reg = lm93_read_byte(client, LM93_REG_CONFIG); | |
2543 | lm93_write_byte(client, LM93_REG_CONFIG, reg | 0x01); | |
2544 | ||
2545 | /* spin until ready */ | |
2804a4cf | 2546 | for (i = 0; i < 20; i++) { |
e46957ed HJK |
2547 | msleep(10); |
2548 | if ((lm93_read_byte(client, LM93_REG_CONFIG) & 0x80) == 0x80) | |
2549 | return; | |
2550 | } | |
2551 | ||
b55f3757 GR |
2552 | dev_warn(&client->dev, |
2553 | "timed out waiting for sensor chip to signal ready!\n"); | |
e46957ed HJK |
2554 | } |
2555 | ||
70b72406 | 2556 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
310ec792 | 2557 | static int lm93_detect(struct i2c_client *client, struct i2c_board_info *info) |
e46957ed | 2558 | { |
70b72406 | 2559 | struct i2c_adapter *adapter = client->adapter; |
52df6440 | 2560 | int mfr, ver; |
c7bf71c5 | 2561 | const char *name; |
e46957ed | 2562 | |
70b72406 JD |
2563 | if (!i2c_check_functionality(adapter, LM93_SMBUS_FUNC_MIN)) |
2564 | return -ENODEV; | |
e46957ed HJK |
2565 | |
2566 | /* detection */ | |
52df6440 JD |
2567 | mfr = lm93_read_byte(client, LM93_REG_MFR_ID); |
2568 | if (mfr != 0x01) { | |
2569 | dev_dbg(&adapter->dev, | |
2570 | "detect failed, bad manufacturer id 0x%02x!\n", mfr); | |
2571 | return -ENODEV; | |
e46957ed HJK |
2572 | } |
2573 | ||
52df6440 | 2574 | ver = lm93_read_byte(client, LM93_REG_VER); |
c7bf71c5 GR |
2575 | switch (ver) { |
2576 | case LM93_MFR_ID: | |
2577 | case LM93_MFR_ID_PROTOTYPE: | |
2578 | name = "lm93"; | |
2579 | break; | |
2580 | case LM94_MFR_ID_2: | |
2581 | case LM94_MFR_ID: | |
2582 | case LM94_MFR_ID_PROTOTYPE: | |
2583 | name = "lm94"; | |
2584 | break; | |
2585 | default: | |
52df6440 JD |
2586 | dev_dbg(&adapter->dev, |
2587 | "detect failed, bad version id 0x%02x!\n", ver); | |
2588 | return -ENODEV; | |
e46957ed HJK |
2589 | } |
2590 | ||
c7bf71c5 | 2591 | strlcpy(info->type, name, I2C_NAME_SIZE); |
2804a4cf | 2592 | dev_dbg(&adapter->dev, "loading %s at %d, 0x%02x\n", |
e46957ed HJK |
2593 | client->name, i2c_adapter_id(client->adapter), |
2594 | client->addr); | |
2595 | ||
70b72406 JD |
2596 | return 0; |
2597 | } | |
2598 | ||
2599 | static int lm93_probe(struct i2c_client *client, | |
2600 | const struct i2c_device_id *id) | |
2601 | { | |
6579d589 | 2602 | struct device *dev = &client->dev; |
70b72406 | 2603 | struct lm93_data *data; |
6579d589 AL |
2604 | struct device *hwmon_dev; |
2605 | int func; | |
70b72406 JD |
2606 | void (*update)(struct lm93_data *, struct i2c_client *); |
2607 | ||
2608 | /* choose update routine based on bus capabilities */ | |
2609 | func = i2c_get_functionality(client->adapter); | |
2610 | if (((LM93_SMBUS_FUNC_FULL & func) == LM93_SMBUS_FUNC_FULL) && | |
2611 | (!disable_block)) { | |
6579d589 | 2612 | dev_dbg(dev, "using SMBus block data transactions\n"); |
70b72406 JD |
2613 | update = lm93_update_client_full; |
2614 | } else if ((LM93_SMBUS_FUNC_MIN & func) == LM93_SMBUS_FUNC_MIN) { | |
6579d589 | 2615 | dev_dbg(dev, "disabled SMBus block data transactions\n"); |
70b72406 JD |
2616 | update = lm93_update_client_min; |
2617 | } else { | |
6579d589 | 2618 | dev_dbg(dev, "detect failed, smbus byte and/or word data not supported!\n"); |
4a8ad25a | 2619 | return -ENODEV; |
70b72406 JD |
2620 | } |
2621 | ||
6579d589 | 2622 | data = devm_kzalloc(dev, sizeof(struct lm93_data), GFP_KERNEL); |
567817de | 2623 | if (!data) |
4a8ad25a | 2624 | return -ENOMEM; |
70b72406 | 2625 | |
e46957ed | 2626 | /* housekeeping */ |
6579d589 | 2627 | data->client = client; |
e46957ed HJK |
2628 | data->update = update; |
2629 | mutex_init(&data->update_lock); | |
2630 | ||
e46957ed HJK |
2631 | /* initialize the chip */ |
2632 | lm93_init_client(client); | |
2633 | ||
6579d589 AL |
2634 | hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, |
2635 | data, | |
2636 | lm93_groups); | |
2637 | return PTR_ERR_OR_ZERO(hwmon_dev); | |
e46957ed HJK |
2638 | } |
2639 | ||
70b72406 | 2640 | static const struct i2c_device_id lm93_id[] = { |
1f86df49 | 2641 | { "lm93", 0 }, |
c7bf71c5 | 2642 | { "lm94", 0 }, |
70b72406 JD |
2643 | { } |
2644 | }; | |
2645 | MODULE_DEVICE_TABLE(i2c, lm93_id); | |
2646 | ||
e46957ed | 2647 | static struct i2c_driver lm93_driver = { |
70b72406 | 2648 | .class = I2C_CLASS_HWMON, |
e46957ed HJK |
2649 | .driver = { |
2650 | .name = "lm93", | |
2651 | }, | |
70b72406 | 2652 | .probe = lm93_probe, |
70b72406 JD |
2653 | .id_table = lm93_id, |
2654 | .detect = lm93_detect, | |
c3813d6a | 2655 | .address_list = normal_i2c, |
e46957ed HJK |
2656 | }; |
2657 | ||
f0967eea | 2658 | module_i2c_driver(lm93_driver); |
e46957ed HJK |
2659 | |
2660 | MODULE_AUTHOR("Mark M. Hoffman <mhoffman@lightlink.com>, " | |
2aa25c22 | 2661 | "Hans J. Koch <hjk@hansjkoch.de>"); |
e46957ed HJK |
2662 | MODULE_DESCRIPTION("LM93 driver"); |
2663 | MODULE_LICENSE("GPL"); |