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74ba9207 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
e46957ed | 2 | /* |
2804a4cf GR |
3 | * lm93.c - Part of lm_sensors, Linux kernel modules for hardware monitoring |
4 | * | |
5 | * Author/Maintainer: Mark M. Hoffman <mhoffman@lightlink.com> | |
6 | * Copyright (c) 2004 Utilitek Systems, Inc. | |
7 | * | |
8 | * derived in part from lm78.c: | |
9 | * Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl> | |
10 | * | |
11 | * derived in part from lm85.c: | |
12 | * Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com> | |
13 | * Copyright (c) 2003 Margit Schubert-While <margitsw@t-online.de> | |
14 | * | |
15 | * derived in part from w83l785ts.c: | |
7c81c60f | 16 | * Copyright (c) 2003-2004 Jean Delvare <jdelvare@suse.de> |
2804a4cf GR |
17 | * |
18 | * Ported to Linux 2.6 by Eric J. Bowersox <ericb@aspsys.com> | |
19 | * Copyright (c) 2005 Aspen Systems, Inc. | |
20 | * | |
21 | * Adapted to 2.6.20 by Carsten Emde <cbe@osadl.org> | |
22 | * Copyright (c) 2006 Carsten Emde, Open Source Automation Development Lab | |
23 | * | |
24 | * Modified for mainline integration by Hans J. Koch <hjk@hansjkoch.de> | |
25 | * Copyright (c) 2007 Hans J. Koch, Linutronix GmbH | |
2804a4cf | 26 | */ |
e46957ed HJK |
27 | |
28 | #include <linux/module.h> | |
29 | #include <linux/init.h> | |
30 | #include <linux/slab.h> | |
31 | #include <linux/i2c.h> | |
32 | #include <linux/hwmon.h> | |
33 | #include <linux/hwmon-sysfs.h> | |
34 | #include <linux/hwmon-vid.h> | |
35 | #include <linux/err.h> | |
36 | #include <linux/delay.h> | |
dcd8f392 | 37 | #include <linux/jiffies.h> |
e46957ed HJK |
38 | |
39 | /* LM93 REGISTER ADDRESSES */ | |
40 | ||
41 | /* miscellaneous */ | |
42 | #define LM93_REG_MFR_ID 0x3e | |
43 | #define LM93_REG_VER 0x3f | |
44 | #define LM93_REG_STATUS_CONTROL 0xe2 | |
45 | #define LM93_REG_CONFIG 0xe3 | |
46 | #define LM93_REG_SLEEP_CONTROL 0xe4 | |
47 | ||
48 | /* alarm values start here */ | |
49 | #define LM93_REG_HOST_ERROR_1 0x48 | |
50 | ||
51 | /* voltage inputs: in1-in16 (nr => 0-15) */ | |
52 | #define LM93_REG_IN(nr) (0x56 + (nr)) | |
53 | #define LM93_REG_IN_MIN(nr) (0x90 + (nr) * 2) | |
54 | #define LM93_REG_IN_MAX(nr) (0x91 + (nr) * 2) | |
55 | ||
56 | /* temperature inputs: temp1-temp4 (nr => 0-3) */ | |
57 | #define LM93_REG_TEMP(nr) (0x50 + (nr)) | |
58 | #define LM93_REG_TEMP_MIN(nr) (0x78 + (nr) * 2) | |
59 | #define LM93_REG_TEMP_MAX(nr) (0x79 + (nr) * 2) | |
60 | ||
61 | /* temp[1-4]_auto_boost (nr => 0-3) */ | |
62 | #define LM93_REG_BOOST(nr) (0x80 + (nr)) | |
63 | ||
64 | /* #PROCHOT inputs: prochot1-prochot2 (nr => 0-1) */ | |
65 | #define LM93_REG_PROCHOT_CUR(nr) (0x67 + (nr) * 2) | |
66 | #define LM93_REG_PROCHOT_AVG(nr) (0x68 + (nr) * 2) | |
67 | #define LM93_REG_PROCHOT_MAX(nr) (0xb0 + (nr)) | |
68 | ||
69 | /* fan tach inputs: fan1-fan4 (nr => 0-3) */ | |
70 | #define LM93_REG_FAN(nr) (0x6e + (nr) * 2) | |
71 | #define LM93_REG_FAN_MIN(nr) (0xb4 + (nr) * 2) | |
72 | ||
73 | /* pwm outputs: pwm1-pwm2 (nr => 0-1, reg => 0-3) */ | |
2804a4cf | 74 | #define LM93_REG_PWM_CTL(nr, reg) (0xc8 + (reg) + (nr) * 4) |
e46957ed HJK |
75 | #define LM93_PWM_CTL1 0x0 |
76 | #define LM93_PWM_CTL2 0x1 | |
77 | #define LM93_PWM_CTL3 0x2 | |
78 | #define LM93_PWM_CTL4 0x3 | |
79 | ||
80 | /* GPIO input state */ | |
81 | #define LM93_REG_GPI 0x6b | |
82 | ||
83 | /* vid inputs: vid1-vid2 (nr => 0-1) */ | |
84 | #define LM93_REG_VID(nr) (0x6c + (nr)) | |
85 | ||
86 | /* vccp1 & vccp2: VID relative inputs (nr => 0-1) */ | |
87 | #define LM93_REG_VCCP_LIMIT_OFF(nr) (0xb2 + (nr)) | |
88 | ||
89 | /* temp[1-4]_auto_boost_hyst */ | |
90 | #define LM93_REG_BOOST_HYST_12 0xc0 | |
91 | #define LM93_REG_BOOST_HYST_34 0xc1 | |
92 | #define LM93_REG_BOOST_HYST(nr) (0xc0 + (nr)/2) | |
93 | ||
94 | /* temp[1-4]_auto_pwm_[min|hyst] */ | |
95 | #define LM93_REG_PWM_MIN_HYST_12 0xc3 | |
96 | #define LM93_REG_PWM_MIN_HYST_34 0xc4 | |
97 | #define LM93_REG_PWM_MIN_HYST(nr) (0xc3 + (nr)/2) | |
98 | ||
99 | /* prochot_override & prochot_interval */ | |
100 | #define LM93_REG_PROCHOT_OVERRIDE 0xc6 | |
101 | #define LM93_REG_PROCHOT_INTERVAL 0xc7 | |
102 | ||
103 | /* temp[1-4]_auto_base (nr => 0-3) */ | |
104 | #define LM93_REG_TEMP_BASE(nr) (0xd0 + (nr)) | |
105 | ||
106 | /* temp[1-4]_auto_offsets (step => 0-11) */ | |
107 | #define LM93_REG_TEMP_OFFSET(step) (0xd4 + (step)) | |
108 | ||
109 | /* #PROCHOT & #VRDHOT PWM ramp control */ | |
110 | #define LM93_REG_PWM_RAMP_CTL 0xbf | |
111 | ||
112 | /* miscellaneous */ | |
113 | #define LM93_REG_SFC1 0xbc | |
114 | #define LM93_REG_SFC2 0xbd | |
115 | #define LM93_REG_GPI_VID_CTL 0xbe | |
116 | #define LM93_REG_SF_TACH_TO_PWM 0xe0 | |
117 | ||
118 | /* error masks */ | |
119 | #define LM93_REG_GPI_ERR_MASK 0xec | |
120 | #define LM93_REG_MISC_ERR_MASK 0xed | |
121 | ||
122 | /* LM93 REGISTER VALUES */ | |
123 | #define LM93_MFR_ID 0x73 | |
124 | #define LM93_MFR_ID_PROTOTYPE 0x72 | |
125 | ||
c7bf71c5 GR |
126 | /* LM94 REGISTER VALUES */ |
127 | #define LM94_MFR_ID_2 0x7a | |
128 | #define LM94_MFR_ID 0x79 | |
129 | #define LM94_MFR_ID_PROTOTYPE 0x78 | |
130 | ||
e46957ed HJK |
131 | /* SMBus capabilities */ |
132 | #define LM93_SMBUS_FUNC_FULL (I2C_FUNC_SMBUS_BYTE_DATA | \ | |
133 | I2C_FUNC_SMBUS_WORD_DATA | I2C_FUNC_SMBUS_BLOCK_DATA) | |
134 | #define LM93_SMBUS_FUNC_MIN (I2C_FUNC_SMBUS_BYTE_DATA | \ | |
135 | I2C_FUNC_SMBUS_WORD_DATA) | |
136 | ||
137 | /* Addresses to scan */ | |
25e9c86d | 138 | static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; |
e46957ed HJK |
139 | |
140 | /* Insmod parameters */ | |
e46957ed | 141 | |
90ab5ee9 | 142 | static bool disable_block; |
e46957ed HJK |
143 | module_param(disable_block, bool, 0); |
144 | MODULE_PARM_DESC(disable_block, | |
145 | "Set to non-zero to disable SMBus block data transactions."); | |
146 | ||
90ab5ee9 | 147 | static bool init; |
e46957ed HJK |
148 | module_param(init, bool, 0); |
149 | MODULE_PARM_DESC(init, "Set to non-zero to force chip initialization."); | |
150 | ||
2804a4cf | 151 | static int vccp_limit_type[2] = {0, 0}; |
e46957ed HJK |
152 | module_param_array(vccp_limit_type, int, NULL, 0); |
153 | MODULE_PARM_DESC(vccp_limit_type, "Configures in7 and in8 limit modes."); | |
154 | ||
155 | static int vid_agtl; | |
156 | module_param(vid_agtl, int, 0); | |
157 | MODULE_PARM_DESC(vid_agtl, "Configures VID pin input thresholds."); | |
158 | ||
159 | /* Driver data */ | |
160 | static struct i2c_driver lm93_driver; | |
161 | ||
162 | /* LM93 BLOCK READ COMMANDS */ | |
163 | static const struct { u8 cmd; u8 len; } lm93_block_read_cmds[12] = { | |
164 | { 0xf2, 8 }, | |
165 | { 0xf3, 8 }, | |
166 | { 0xf4, 6 }, | |
167 | { 0xf5, 16 }, | |
168 | { 0xf6, 4 }, | |
169 | { 0xf7, 8 }, | |
170 | { 0xf8, 12 }, | |
171 | { 0xf9, 32 }, | |
172 | { 0xfa, 8 }, | |
173 | { 0xfb, 8 }, | |
174 | { 0xfc, 16 }, | |
175 | { 0xfd, 9 }, | |
176 | }; | |
177 | ||
2804a4cf GR |
178 | /* |
179 | * ALARMS: SYSCTL format described further below | |
180 | * REG: 64 bits in 8 registers, as immediately below | |
181 | */ | |
e46957ed HJK |
182 | struct block1_t { |
183 | u8 host_status_1; | |
184 | u8 host_status_2; | |
185 | u8 host_status_3; | |
186 | u8 host_status_4; | |
187 | u8 p1_prochot_status; | |
188 | u8 p2_prochot_status; | |
189 | u8 gpi_status; | |
190 | u8 fan_status; | |
191 | }; | |
192 | ||
193 | /* | |
194 | * Client-specific data | |
195 | */ | |
196 | struct lm93_data { | |
6579d589 | 197 | struct i2c_client *client; |
e46957ed HJK |
198 | |
199 | struct mutex update_lock; | |
200 | unsigned long last_updated; /* In jiffies */ | |
201 | ||
202 | /* client update function */ | |
203 | void (*update)(struct lm93_data *, struct i2c_client *); | |
204 | ||
205 | char valid; /* !=0 if following fields are valid */ | |
206 | ||
207 | /* register values, arranged by block read groups */ | |
208 | struct block1_t block1; | |
209 | ||
2804a4cf GR |
210 | /* |
211 | * temp1 - temp4: unfiltered readings | |
212 | * temp1 - temp2: filtered readings | |
213 | */ | |
e46957ed HJK |
214 | u8 block2[6]; |
215 | ||
216 | /* vin1 - vin16: readings */ | |
217 | u8 block3[16]; | |
218 | ||
219 | /* prochot1 - prochot2: readings */ | |
220 | struct { | |
221 | u8 cur; | |
222 | u8 avg; | |
223 | } block4[2]; | |
224 | ||
225 | /* fan counts 1-4 => 14-bits, LE, *left* justified */ | |
226 | u16 block5[4]; | |
227 | ||
228 | /* block6 has a lot of data we don't need */ | |
229 | struct { | |
230 | u8 min; | |
231 | u8 max; | |
f08a3487 | 232 | } temp_lim[4]; |
e46957ed HJK |
233 | |
234 | /* vin1 - vin16: low and high limits */ | |
235 | struct { | |
236 | u8 min; | |
237 | u8 max; | |
238 | } block7[16]; | |
239 | ||
240 | /* fan count limits 1-4 => same format as block5 */ | |
241 | u16 block8[4]; | |
242 | ||
243 | /* pwm control registers (2 pwms, 4 regs) */ | |
244 | u8 block9[2][4]; | |
245 | ||
246 | /* auto/pwm base temp and offset temp registers */ | |
247 | struct { | |
248 | u8 base[4]; | |
249 | u8 offset[12]; | |
250 | } block10; | |
251 | ||
252 | /* master config register */ | |
253 | u8 config; | |
254 | ||
255 | /* VID1 & VID2 => register format, 6-bits, right justified */ | |
256 | u8 vid[2]; | |
257 | ||
258 | /* prochot1 - prochot2: limits */ | |
259 | u8 prochot_max[2]; | |
260 | ||
261 | /* vccp1 & vccp2 (in7 & in8): VID relative limits (register format) */ | |
262 | u8 vccp_limits[2]; | |
263 | ||
264 | /* GPIO input state (register format, i.e. inverted) */ | |
265 | u8 gpi; | |
266 | ||
267 | /* #PROCHOT override (register format) */ | |
268 | u8 prochot_override; | |
269 | ||
270 | /* #PROCHOT intervals (register format) */ | |
271 | u8 prochot_interval; | |
272 | ||
273 | /* Fan Boost Temperatures (register format) */ | |
274 | u8 boost[4]; | |
275 | ||
276 | /* Fan Boost Hysteresis (register format) */ | |
277 | u8 boost_hyst[2]; | |
278 | ||
279 | /* Temperature Zone Min. PWM & Hysteresis (register format) */ | |
280 | u8 auto_pwm_min_hyst[2]; | |
281 | ||
282 | /* #PROCHOT & #VRDHOT PWM Ramp Control */ | |
283 | u8 pwm_ramp_ctl; | |
284 | ||
285 | /* miscellaneous setup regs */ | |
286 | u8 sfc1; | |
287 | u8 sfc2; | |
288 | u8 sf_tach_to_pwm; | |
289 | ||
2804a4cf GR |
290 | /* |
291 | * The two PWM CTL2 registers can read something other than what was | |
292 | * last written for the OVR_DC field (duty cycle override). So, we | |
293 | * save the user-commanded value here. | |
294 | */ | |
e46957ed HJK |
295 | u8 pwm_override[2]; |
296 | }; | |
297 | ||
2804a4cf GR |
298 | /* |
299 | * VID: mV | |
300 | * REG: 6-bits, right justified, *always* using Intel VRM/VRD 10 | |
301 | */ | |
e46957ed HJK |
302 | static int LM93_VID_FROM_REG(u8 reg) |
303 | { | |
304 | return vid_from_reg((reg & 0x3f), 100); | |
305 | } | |
306 | ||
307 | /* min, max, and nominal register values, per channel (u8) */ | |
308 | static const u8 lm93_vin_reg_min[16] = { | |
309 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
310 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xae, | |
311 | }; | |
312 | static const u8 lm93_vin_reg_max[16] = { | |
313 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, | |
314 | 0xff, 0xfa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xd1, | |
315 | }; | |
2804a4cf GR |
316 | /* |
317 | * Values from the datasheet. They're here for documentation only. | |
318 | * static const u8 lm93_vin_reg_nom[16] = { | |
319 | * 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, | |
320 | * 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x40, 0xc0, | |
321 | * }; | |
322 | */ | |
e46957ed HJK |
323 | |
324 | /* min, max, and nominal voltage readings, per channel (mV)*/ | |
325 | static const unsigned long lm93_vin_val_min[16] = { | |
326 | 0, 0, 0, 0, 0, 0, 0, 0, | |
327 | 0, 0, 0, 0, 0, 0, 0, 3000, | |
328 | }; | |
329 | ||
330 | static const unsigned long lm93_vin_val_max[16] = { | |
331 | 1236, 1236, 1236, 1600, 2000, 2000, 1600, 1600, | |
332 | 4400, 6500, 3333, 2625, 1312, 1312, 1236, 3600, | |
333 | }; | |
2804a4cf GR |
334 | /* |
335 | * Values from the datasheet. They're here for documentation only. | |
336 | * static const unsigned long lm93_vin_val_nom[16] = { | |
337 | * 927, 927, 927, 1200, 1500, 1500, 1200, 1200, | |
338 | * 3300, 5000, 2500, 1969, 984, 984, 309, 3300, | |
339 | * }; | |
340 | */ | |
e46957ed HJK |
341 | |
342 | static unsigned LM93_IN_FROM_REG(int nr, u8 reg) | |
343 | { | |
088ce2ac GR |
344 | const long uv_max = lm93_vin_val_max[nr] * 1000; |
345 | const long uv_min = lm93_vin_val_min[nr] * 1000; | |
e46957ed | 346 | |
088ce2ac | 347 | const long slope = (uv_max - uv_min) / |
e46957ed | 348 | (lm93_vin_reg_max[nr] - lm93_vin_reg_min[nr]); |
088ce2ac | 349 | const long intercept = uv_min - slope * lm93_vin_reg_min[nr]; |
e46957ed HJK |
350 | |
351 | return (slope * reg + intercept + 500) / 1000; | |
352 | } | |
353 | ||
2804a4cf GR |
354 | /* |
355 | * IN: mV, limits determined by channel nr | |
356 | * REG: scaling determined by channel nr | |
357 | */ | |
e46957ed HJK |
358 | static u8 LM93_IN_TO_REG(int nr, unsigned val) |
359 | { | |
360 | /* range limit */ | |
088ce2ac | 361 | const long mv = clamp_val(val, |
2a844c14 | 362 | lm93_vin_val_min[nr], lm93_vin_val_max[nr]); |
e46957ed HJK |
363 | |
364 | /* try not to lose too much precision here */ | |
088ce2ac GR |
365 | const long uv = mv * 1000; |
366 | const long uv_max = lm93_vin_val_max[nr] * 1000; | |
367 | const long uv_min = lm93_vin_val_min[nr] * 1000; | |
e46957ed HJK |
368 | |
369 | /* convert */ | |
088ce2ac | 370 | const long slope = (uv_max - uv_min) / |
e46957ed | 371 | (lm93_vin_reg_max[nr] - lm93_vin_reg_min[nr]); |
088ce2ac | 372 | const long intercept = uv_min - slope * lm93_vin_reg_min[nr]; |
e46957ed | 373 | |
088ce2ac | 374 | u8 result = ((uv - intercept + (slope/2)) / slope); |
2a844c14 GR |
375 | result = clamp_val(result, |
376 | lm93_vin_reg_min[nr], lm93_vin_reg_max[nr]); | |
e46957ed HJK |
377 | return result; |
378 | } | |
379 | ||
380 | /* vid in mV, upper == 0 indicates low limit, otherwise upper limit */ | |
381 | static unsigned LM93_IN_REL_FROM_REG(u8 reg, int upper, int vid) | |
382 | { | |
088ce2ac | 383 | const long uv_offset = upper ? (((reg >> 4 & 0x0f) + 1) * 12500) : |
e46957ed | 384 | (((reg >> 0 & 0x0f) + 1) * -25000); |
088ce2ac GR |
385 | const long uv_vid = vid * 1000; |
386 | return (uv_vid + uv_offset + 5000) / 10000; | |
e46957ed HJK |
387 | } |
388 | ||
2804a4cf GR |
389 | #define LM93_IN_MIN_FROM_REG(reg, vid) LM93_IN_REL_FROM_REG((reg), 0, (vid)) |
390 | #define LM93_IN_MAX_FROM_REG(reg, vid) LM93_IN_REL_FROM_REG((reg), 1, (vid)) | |
e46957ed | 391 | |
2804a4cf GR |
392 | /* |
393 | * vid in mV , upper == 0 indicates low limit, otherwise upper limit | |
394 | * upper also determines which nibble of the register is returned | |
395 | * (the other nibble will be 0x0) | |
396 | */ | |
e46957ed HJK |
397 | static u8 LM93_IN_REL_TO_REG(unsigned val, int upper, int vid) |
398 | { | |
088ce2ac | 399 | long uv_offset = vid * 1000 - val * 10000; |
e46957ed | 400 | if (upper) { |
088ce2ac GR |
401 | uv_offset = clamp_val(uv_offset, 12500, 200000); |
402 | return (u8)((uv_offset / 12500 - 1) << 4); | |
e46957ed | 403 | } else { |
088ce2ac GR |
404 | uv_offset = clamp_val(uv_offset, -400000, -25000); |
405 | return (u8)((uv_offset / -25000 - 1) << 0); | |
e46957ed HJK |
406 | } |
407 | } | |
408 | ||
2804a4cf GR |
409 | /* |
410 | * TEMP: 1/1000 degrees C (-128C to +127C) | |
411 | * REG: 1C/bit, two's complement | |
412 | */ | |
e46957ed HJK |
413 | static int LM93_TEMP_FROM_REG(u8 reg) |
414 | { | |
415 | return (s8)reg * 1000; | |
416 | } | |
417 | ||
418 | #define LM93_TEMP_MIN (-128000) | |
2804a4cf | 419 | #define LM93_TEMP_MAX (127000) |
e46957ed | 420 | |
2804a4cf GR |
421 | /* |
422 | * TEMP: 1/1000 degrees C (-128C to +127C) | |
423 | * REG: 1C/bit, two's complement | |
424 | */ | |
5bfedac0 | 425 | static u8 LM93_TEMP_TO_REG(long temp) |
e46957ed | 426 | { |
2a844c14 | 427 | int ntemp = clamp_val(temp, LM93_TEMP_MIN, LM93_TEMP_MAX); |
2804a4cf | 428 | ntemp += (ntemp < 0 ? -500 : 500); |
e46957ed HJK |
429 | return (u8)(ntemp / 1000); |
430 | } | |
431 | ||
432 | /* Determine 4-bit temperature offset resolution */ | |
433 | static int LM93_TEMP_OFFSET_MODE_FROM_REG(u8 sfc2, int nr) | |
434 | { | |
435 | /* mode: 0 => 1C/bit, nonzero => 0.5C/bit */ | |
436 | return sfc2 & (nr < 2 ? 0x10 : 0x20); | |
437 | } | |
438 | ||
2804a4cf GR |
439 | /* |
440 | * This function is common to all 4-bit temperature offsets | |
441 | * reg is 4 bits right justified | |
442 | * mode 0 => 1C/bit, mode !0 => 0.5C/bit | |
443 | */ | |
e46957ed HJK |
444 | static int LM93_TEMP_OFFSET_FROM_REG(u8 reg, int mode) |
445 | { | |
446 | return (reg & 0x0f) * (mode ? 5 : 10); | |
447 | } | |
448 | ||
2804a4cf | 449 | #define LM93_TEMP_OFFSET_MIN (0) |
e46957ed | 450 | #define LM93_TEMP_OFFSET_MAX0 (150) |
2804a4cf | 451 | #define LM93_TEMP_OFFSET_MAX1 (75) |
e46957ed | 452 | |
2804a4cf GR |
453 | /* |
454 | * This function is common to all 4-bit temperature offsets | |
455 | * returns 4 bits right justified | |
456 | * mode 0 => 1C/bit, mode !0 => 0.5C/bit | |
457 | */ | |
e46957ed HJK |
458 | static u8 LM93_TEMP_OFFSET_TO_REG(int off, int mode) |
459 | { | |
460 | int factor = mode ? 5 : 10; | |
461 | ||
2a844c14 | 462 | off = clamp_val(off, LM93_TEMP_OFFSET_MIN, |
e46957ed HJK |
463 | mode ? LM93_TEMP_OFFSET_MAX1 : LM93_TEMP_OFFSET_MAX0); |
464 | return (u8)((off + factor/2) / factor); | |
465 | } | |
466 | ||
467 | /* 0 <= nr <= 3 */ | |
468 | static int LM93_TEMP_AUTO_OFFSET_FROM_REG(u8 reg, int nr, int mode) | |
469 | { | |
470 | /* temp1-temp2 (nr=0,1) use lower nibble */ | |
471 | if (nr < 2) | |
472 | return LM93_TEMP_OFFSET_FROM_REG(reg & 0x0f, mode); | |
473 | ||
474 | /* temp3-temp4 (nr=2,3) use upper nibble */ | |
475 | else | |
476 | return LM93_TEMP_OFFSET_FROM_REG(reg >> 4 & 0x0f, mode); | |
477 | } | |
478 | ||
2804a4cf GR |
479 | /* |
480 | * TEMP: 1/10 degrees C (0C to +15C (mode 0) or +7.5C (mode non-zero)) | |
481 | * REG: 1.0C/bit (mode 0) or 0.5C/bit (mode non-zero) | |
482 | * 0 <= nr <= 3 | |
483 | */ | |
e46957ed HJK |
484 | static u8 LM93_TEMP_AUTO_OFFSET_TO_REG(u8 old, int off, int nr, int mode) |
485 | { | |
486 | u8 new = LM93_TEMP_OFFSET_TO_REG(off, mode); | |
487 | ||
488 | /* temp1-temp2 (nr=0,1) use lower nibble */ | |
489 | if (nr < 2) | |
490 | return (old & 0xf0) | (new & 0x0f); | |
491 | ||
492 | /* temp3-temp4 (nr=2,3) use upper nibble */ | |
493 | else | |
494 | return (new << 4 & 0xf0) | (old & 0x0f); | |
495 | } | |
496 | ||
497 | static int LM93_AUTO_BOOST_HYST_FROM_REGS(struct lm93_data *data, int nr, | |
498 | int mode) | |
499 | { | |
500 | u8 reg; | |
501 | ||
502 | switch (nr) { | |
503 | case 0: | |
504 | reg = data->boost_hyst[0] & 0x0f; | |
505 | break; | |
506 | case 1: | |
507 | reg = data->boost_hyst[0] >> 4 & 0x0f; | |
508 | break; | |
509 | case 2: | |
510 | reg = data->boost_hyst[1] & 0x0f; | |
511 | break; | |
512 | case 3: | |
513 | default: | |
514 | reg = data->boost_hyst[1] >> 4 & 0x0f; | |
515 | break; | |
516 | } | |
517 | ||
518 | return LM93_TEMP_FROM_REG(data->boost[nr]) - | |
519 | LM93_TEMP_OFFSET_FROM_REG(reg, mode); | |
520 | } | |
521 | ||
522 | static u8 LM93_AUTO_BOOST_HYST_TO_REG(struct lm93_data *data, long hyst, | |
523 | int nr, int mode) | |
524 | { | |
525 | u8 reg = LM93_TEMP_OFFSET_TO_REG( | |
526 | (LM93_TEMP_FROM_REG(data->boost[nr]) - hyst), mode); | |
527 | ||
528 | switch (nr) { | |
529 | case 0: | |
530 | reg = (data->boost_hyst[0] & 0xf0) | (reg & 0x0f); | |
531 | break; | |
532 | case 1: | |
533 | reg = (reg << 4 & 0xf0) | (data->boost_hyst[0] & 0x0f); | |
534 | break; | |
535 | case 2: | |
536 | reg = (data->boost_hyst[1] & 0xf0) | (reg & 0x0f); | |
537 | break; | |
538 | case 3: | |
539 | default: | |
540 | reg = (reg << 4 & 0xf0) | (data->boost_hyst[1] & 0x0f); | |
541 | break; | |
542 | } | |
543 | ||
544 | return reg; | |
545 | } | |
546 | ||
2804a4cf GR |
547 | /* |
548 | * PWM: 0-255 per sensors documentation | |
549 | * REG: 0-13 as mapped below... right justified | |
550 | */ | |
551 | enum pwm_freq { LM93_PWM_MAP_HI_FREQ, LM93_PWM_MAP_LO_FREQ }; | |
552 | ||
e46957ed HJK |
553 | static int lm93_pwm_map[2][16] = { |
554 | { | |
555 | 0x00, /* 0.00% */ 0x40, /* 25.00% */ | |
556 | 0x50, /* 31.25% */ 0x60, /* 37.50% */ | |
557 | 0x70, /* 43.75% */ 0x80, /* 50.00% */ | |
558 | 0x90, /* 56.25% */ 0xa0, /* 62.50% */ | |
559 | 0xb0, /* 68.75% */ 0xc0, /* 75.00% */ | |
560 | 0xd0, /* 81.25% */ 0xe0, /* 87.50% */ | |
561 | 0xf0, /* 93.75% */ 0xff, /* 100.00% */ | |
562 | 0xff, 0xff, /* 14, 15 are reserved and should never occur */ | |
563 | }, | |
564 | { | |
565 | 0x00, /* 0.00% */ 0x40, /* 25.00% */ | |
566 | 0x49, /* 28.57% */ 0x52, /* 32.14% */ | |
567 | 0x5b, /* 35.71% */ 0x64, /* 39.29% */ | |
568 | 0x6d, /* 42.86% */ 0x76, /* 46.43% */ | |
569 | 0x80, /* 50.00% */ 0x89, /* 53.57% */ | |
570 | 0x92, /* 57.14% */ 0xb6, /* 71.43% */ | |
571 | 0xdb, /* 85.71% */ 0xff, /* 100.00% */ | |
572 | 0xff, 0xff, /* 14, 15 are reserved and should never occur */ | |
573 | }, | |
574 | }; | |
575 | ||
2804a4cf | 576 | static int LM93_PWM_FROM_REG(u8 reg, enum pwm_freq freq) |
e46957ed HJK |
577 | { |
578 | return lm93_pwm_map[freq][reg & 0x0f]; | |
579 | } | |
580 | ||
581 | /* round up to nearest match */ | |
2804a4cf | 582 | static u8 LM93_PWM_TO_REG(int pwm, enum pwm_freq freq) |
e46957ed HJK |
583 | { |
584 | int i; | |
585 | for (i = 0; i < 13; i++) | |
586 | if (pwm <= lm93_pwm_map[freq][i]) | |
587 | break; | |
588 | ||
589 | /* can fall through with i==13 */ | |
590 | return (u8)i; | |
591 | } | |
592 | ||
593 | static int LM93_FAN_FROM_REG(u16 regs) | |
594 | { | |
595 | const u16 count = le16_to_cpu(regs) >> 2; | |
2804a4cf | 596 | return count == 0 ? -1 : count == 0x3fff ? 0 : 1350000 / count; |
e46957ed HJK |
597 | } |
598 | ||
599 | /* | |
600 | * RPM: (82.5 to 1350000) | |
601 | * REG: 14-bits, LE, *left* justified | |
602 | */ | |
603 | static u16 LM93_FAN_TO_REG(long rpm) | |
604 | { | |
605 | u16 count, regs; | |
606 | ||
607 | if (rpm == 0) { | |
608 | count = 0x3fff; | |
609 | } else { | |
2a844c14 GR |
610 | rpm = clamp_val(rpm, 1, 1000000); |
611 | count = clamp_val((1350000 + rpm) / rpm, 1, 0x3ffe); | |
e46957ed HJK |
612 | } |
613 | ||
614 | regs = count << 2; | |
615 | return cpu_to_le16(regs); | |
616 | } | |
617 | ||
2804a4cf GR |
618 | /* |
619 | * PWM FREQ: HZ | |
620 | * REG: 0-7 as mapped below | |
621 | */ | |
e46957ed HJK |
622 | static int lm93_pwm_freq_map[8] = { |
623 | 22500, 96, 84, 72, 60, 48, 36, 12 | |
624 | }; | |
625 | ||
626 | static int LM93_PWM_FREQ_FROM_REG(u8 reg) | |
627 | { | |
628 | return lm93_pwm_freq_map[reg & 0x07]; | |
629 | } | |
630 | ||
631 | /* round up to nearest match */ | |
632 | static u8 LM93_PWM_FREQ_TO_REG(int freq) | |
633 | { | |
634 | int i; | |
635 | for (i = 7; i > 0; i--) | |
636 | if (freq <= lm93_pwm_freq_map[i]) | |
637 | break; | |
638 | ||
639 | /* can fall through with i==0 */ | |
640 | return (u8)i; | |
641 | } | |
642 | ||
2804a4cf GR |
643 | /* |
644 | * TIME: 1/100 seconds | |
645 | * REG: 0-7 as mapped below | |
646 | */ | |
e46957ed HJK |
647 | static int lm93_spinup_time_map[8] = { |
648 | 0, 10, 25, 40, 70, 100, 200, 400, | |
649 | }; | |
650 | ||
651 | static int LM93_SPINUP_TIME_FROM_REG(u8 reg) | |
652 | { | |
653 | return lm93_spinup_time_map[reg >> 5 & 0x07]; | |
654 | } | |
655 | ||
656 | /* round up to nearest match */ | |
657 | static u8 LM93_SPINUP_TIME_TO_REG(int time) | |
658 | { | |
659 | int i; | |
660 | for (i = 0; i < 7; i++) | |
661 | if (time <= lm93_spinup_time_map[i]) | |
662 | break; | |
663 | ||
664 | /* can fall through with i==8 */ | |
665 | return (u8)i; | |
666 | } | |
667 | ||
668 | #define LM93_RAMP_MIN 0 | |
669 | #define LM93_RAMP_MAX 75 | |
670 | ||
671 | static int LM93_RAMP_FROM_REG(u8 reg) | |
672 | { | |
673 | return (reg & 0x0f) * 5; | |
674 | } | |
675 | ||
2804a4cf GR |
676 | /* |
677 | * RAMP: 1/100 seconds | |
678 | * REG: 50mS/bit 4-bits right justified | |
679 | */ | |
e46957ed HJK |
680 | static u8 LM93_RAMP_TO_REG(int ramp) |
681 | { | |
2a844c14 | 682 | ramp = clamp_val(ramp, LM93_RAMP_MIN, LM93_RAMP_MAX); |
e46957ed HJK |
683 | return (u8)((ramp + 2) / 5); |
684 | } | |
685 | ||
2804a4cf GR |
686 | /* |
687 | * PROCHOT: 0-255, 0 => 0%, 255 => > 96.6% | |
688 | * REG: (same) | |
689 | */ | |
e46957ed HJK |
690 | static u8 LM93_PROCHOT_TO_REG(long prochot) |
691 | { | |
2a844c14 | 692 | prochot = clamp_val(prochot, 0, 255); |
e46957ed HJK |
693 | return (u8)prochot; |
694 | } | |
695 | ||
2804a4cf GR |
696 | /* |
697 | * PROCHOT-INTERVAL: 73 - 37200 (1/100 seconds) | |
698 | * REG: 0-9 as mapped below | |
699 | */ | |
e46957ed HJK |
700 | static int lm93_interval_map[10] = { |
701 | 73, 146, 290, 580, 1170, 2330, 4660, 9320, 18600, 37200, | |
702 | }; | |
703 | ||
704 | static int LM93_INTERVAL_FROM_REG(u8 reg) | |
705 | { | |
706 | return lm93_interval_map[reg & 0x0f]; | |
707 | } | |
708 | ||
709 | /* round up to nearest match */ | |
710 | static u8 LM93_INTERVAL_TO_REG(long interval) | |
711 | { | |
712 | int i; | |
713 | for (i = 0; i < 9; i++) | |
714 | if (interval <= lm93_interval_map[i]) | |
715 | break; | |
716 | ||
717 | /* can fall through with i==9 */ | |
718 | return (u8)i; | |
719 | } | |
720 | ||
2804a4cf GR |
721 | /* |
722 | * GPIO: 0-255, GPIO0 is LSB | |
723 | * REG: inverted | |
724 | */ | |
e46957ed HJK |
725 | static unsigned LM93_GPI_FROM_REG(u8 reg) |
726 | { | |
727 | return ~reg & 0xff; | |
728 | } | |
729 | ||
2804a4cf GR |
730 | /* |
731 | * alarm bitmask definitions | |
732 | * The LM93 has nearly 64 bits of error status... I've pared that down to | |
733 | * what I think is a useful subset in order to fit it into 32 bits. | |
734 | * | |
735 | * Especially note that the #VRD_HOT alarms are missing because we provide | |
736 | * that information as values in another sysfs file. | |
737 | * | |
738 | * If libsensors is extended to support 64 bit values, this could be revisited. | |
739 | */ | |
e46957ed HJK |
740 | #define LM93_ALARM_IN1 0x00000001 |
741 | #define LM93_ALARM_IN2 0x00000002 | |
742 | #define LM93_ALARM_IN3 0x00000004 | |
743 | #define LM93_ALARM_IN4 0x00000008 | |
744 | #define LM93_ALARM_IN5 0x00000010 | |
745 | #define LM93_ALARM_IN6 0x00000020 | |
746 | #define LM93_ALARM_IN7 0x00000040 | |
747 | #define LM93_ALARM_IN8 0x00000080 | |
748 | #define LM93_ALARM_IN9 0x00000100 | |
749 | #define LM93_ALARM_IN10 0x00000200 | |
750 | #define LM93_ALARM_IN11 0x00000400 | |
751 | #define LM93_ALARM_IN12 0x00000800 | |
752 | #define LM93_ALARM_IN13 0x00001000 | |
753 | #define LM93_ALARM_IN14 0x00002000 | |
754 | #define LM93_ALARM_IN15 0x00004000 | |
755 | #define LM93_ALARM_IN16 0x00008000 | |
756 | #define LM93_ALARM_FAN1 0x00010000 | |
757 | #define LM93_ALARM_FAN2 0x00020000 | |
758 | #define LM93_ALARM_FAN3 0x00040000 | |
759 | #define LM93_ALARM_FAN4 0x00080000 | |
760 | #define LM93_ALARM_PH1_ERR 0x00100000 | |
761 | #define LM93_ALARM_PH2_ERR 0x00200000 | |
762 | #define LM93_ALARM_SCSI1_ERR 0x00400000 | |
763 | #define LM93_ALARM_SCSI2_ERR 0x00800000 | |
764 | #define LM93_ALARM_DVDDP1_ERR 0x01000000 | |
765 | #define LM93_ALARM_DVDDP2_ERR 0x02000000 | |
766 | #define LM93_ALARM_D1_ERR 0x04000000 | |
767 | #define LM93_ALARM_D2_ERR 0x08000000 | |
768 | #define LM93_ALARM_TEMP1 0x10000000 | |
769 | #define LM93_ALARM_TEMP2 0x20000000 | |
770 | #define LM93_ALARM_TEMP3 0x40000000 | |
771 | ||
772 | static unsigned LM93_ALARMS_FROM_REG(struct block1_t b1) | |
773 | { | |
774 | unsigned result; | |
775 | result = b1.host_status_2 & 0x3f; | |
776 | ||
777 | if (vccp_limit_type[0]) | |
778 | result |= (b1.host_status_4 & 0x10) << 2; | |
779 | else | |
780 | result |= b1.host_status_2 & 0x40; | |
781 | ||
782 | if (vccp_limit_type[1]) | |
783 | result |= (b1.host_status_4 & 0x20) << 2; | |
784 | else | |
785 | result |= b1.host_status_2 & 0x80; | |
786 | ||
787 | result |= b1.host_status_3 << 8; | |
788 | result |= (b1.fan_status & 0x0f) << 16; | |
789 | result |= (b1.p1_prochot_status & 0x80) << 13; | |
790 | result |= (b1.p2_prochot_status & 0x80) << 14; | |
791 | result |= (b1.host_status_4 & 0xfc) << 20; | |
792 | result |= (b1.host_status_1 & 0x07) << 28; | |
793 | return result; | |
794 | } | |
795 | ||
796 | #define MAX_RETRIES 5 | |
797 | ||
798 | static u8 lm93_read_byte(struct i2c_client *client, u8 reg) | |
799 | { | |
800 | int value, i; | |
801 | ||
802 | /* retry in case of read errors */ | |
2804a4cf GR |
803 | for (i = 1; i <= MAX_RETRIES; i++) { |
804 | value = i2c_smbus_read_byte_data(client, reg); | |
805 | if (value >= 0) { | |
e46957ed HJK |
806 | return value; |
807 | } else { | |
b55f3757 GR |
808 | dev_warn(&client->dev, |
809 | "lm93: read byte data failed, address 0x%02x.\n", | |
810 | reg); | |
e46957ed HJK |
811 | mdelay(i + 3); |
812 | } | |
813 | ||
814 | } | |
815 | ||
816 | /* <TODO> what to return in case of error? */ | |
2804a4cf | 817 | dev_err(&client->dev, "lm93: All read byte retries failed!!\n"); |
e46957ed HJK |
818 | return 0; |
819 | } | |
820 | ||
821 | static int lm93_write_byte(struct i2c_client *client, u8 reg, u8 value) | |
822 | { | |
823 | int result; | |
824 | ||
825 | /* <TODO> how to handle write errors? */ | |
826 | result = i2c_smbus_write_byte_data(client, reg, value); | |
827 | ||
828 | if (result < 0) | |
b55f3757 GR |
829 | dev_warn(&client->dev, |
830 | "lm93: write byte data failed, 0x%02x at address 0x%02x.\n", | |
831 | value, reg); | |
e46957ed HJK |
832 | |
833 | return result; | |
834 | } | |
835 | ||
836 | static u16 lm93_read_word(struct i2c_client *client, u8 reg) | |
837 | { | |
838 | int value, i; | |
839 | ||
840 | /* retry in case of read errors */ | |
2804a4cf GR |
841 | for (i = 1; i <= MAX_RETRIES; i++) { |
842 | value = i2c_smbus_read_word_data(client, reg); | |
843 | if (value >= 0) { | |
e46957ed HJK |
844 | return value; |
845 | } else { | |
b55f3757 GR |
846 | dev_warn(&client->dev, |
847 | "lm93: read word data failed, address 0x%02x.\n", | |
848 | reg); | |
e46957ed HJK |
849 | mdelay(i + 3); |
850 | } | |
851 | ||
852 | } | |
853 | ||
854 | /* <TODO> what to return in case of error? */ | |
2804a4cf | 855 | dev_err(&client->dev, "lm93: All read word retries failed!!\n"); |
e46957ed HJK |
856 | return 0; |
857 | } | |
858 | ||
859 | static int lm93_write_word(struct i2c_client *client, u8 reg, u16 value) | |
860 | { | |
861 | int result; | |
862 | ||
863 | /* <TODO> how to handle write errors? */ | |
864 | result = i2c_smbus_write_word_data(client, reg, value); | |
865 | ||
866 | if (result < 0) | |
b55f3757 GR |
867 | dev_warn(&client->dev, |
868 | "lm93: write word data failed, 0x%04x at address 0x%02x.\n", | |
869 | value, reg); | |
e46957ed HJK |
870 | |
871 | return result; | |
872 | } | |
873 | ||
874 | static u8 lm93_block_buffer[I2C_SMBUS_BLOCK_MAX]; | |
875 | ||
876 | /* | |
2804a4cf GR |
877 | * read block data into values, retry if not expected length |
878 | * fbn => index to lm93_block_read_cmds table | |
879 | * (Fixed Block Number - section 14.5.2 of LM93 datasheet) | |
880 | */ | |
e46957ed HJK |
881 | static void lm93_read_block(struct i2c_client *client, u8 fbn, u8 *values) |
882 | { | |
2804a4cf | 883 | int i, result = 0; |
e46957ed HJK |
884 | |
885 | for (i = 1; i <= MAX_RETRIES; i++) { | |
886 | result = i2c_smbus_read_block_data(client, | |
887 | lm93_block_read_cmds[fbn].cmd, lm93_block_buffer); | |
888 | ||
889 | if (result == lm93_block_read_cmds[fbn].len) { | |
890 | break; | |
891 | } else { | |
b55f3757 GR |
892 | dev_warn(&client->dev, |
893 | "lm93: block read data failed, command 0x%02x.\n", | |
e46957ed HJK |
894 | lm93_block_read_cmds[fbn].cmd); |
895 | mdelay(i + 3); | |
896 | } | |
897 | } | |
898 | ||
899 | if (result == lm93_block_read_cmds[fbn].len) { | |
2804a4cf GR |
900 | memcpy(values, lm93_block_buffer, |
901 | lm93_block_read_cmds[fbn].len); | |
e46957ed HJK |
902 | } else { |
903 | /* <TODO> what to do in case of error? */ | |
904 | } | |
905 | } | |
906 | ||
907 | static struct lm93_data *lm93_update_device(struct device *dev) | |
908 | { | |
6579d589 AL |
909 | struct lm93_data *data = dev_get_drvdata(dev); |
910 | struct i2c_client *client = data->client; | |
e46957ed HJK |
911 | const unsigned long interval = HZ + (HZ / 2); |
912 | ||
913 | mutex_lock(&data->update_lock); | |
914 | ||
915 | if (time_after(jiffies, data->last_updated + interval) || | |
916 | !data->valid) { | |
917 | ||
918 | data->update(data, client); | |
919 | data->last_updated = jiffies; | |
920 | data->valid = 1; | |
921 | } | |
922 | ||
923 | mutex_unlock(&data->update_lock); | |
924 | return data; | |
925 | } | |
926 | ||
927 | /* update routine for data that has no corresponding SMBus block command */ | |
928 | static void lm93_update_client_common(struct lm93_data *data, | |
929 | struct i2c_client *client) | |
930 | { | |
931 | int i; | |
932 | u8 *ptr; | |
933 | ||
934 | /* temp1 - temp4: limits */ | |
935 | for (i = 0; i < 4; i++) { | |
936 | data->temp_lim[i].min = | |
937 | lm93_read_byte(client, LM93_REG_TEMP_MIN(i)); | |
938 | data->temp_lim[i].max = | |
939 | lm93_read_byte(client, LM93_REG_TEMP_MAX(i)); | |
940 | } | |
941 | ||
942 | /* config register */ | |
943 | data->config = lm93_read_byte(client, LM93_REG_CONFIG); | |
944 | ||
945 | /* vid1 - vid2: values */ | |
946 | for (i = 0; i < 2; i++) | |
947 | data->vid[i] = lm93_read_byte(client, LM93_REG_VID(i)); | |
948 | ||
949 | /* prochot1 - prochot2: limits */ | |
950 | for (i = 0; i < 2; i++) | |
951 | data->prochot_max[i] = lm93_read_byte(client, | |
952 | LM93_REG_PROCHOT_MAX(i)); | |
953 | ||
954 | /* vccp1 - vccp2: VID relative limits */ | |
955 | for (i = 0; i < 2; i++) | |
956 | data->vccp_limits[i] = lm93_read_byte(client, | |
957 | LM93_REG_VCCP_LIMIT_OFF(i)); | |
958 | ||
959 | /* GPIO input state */ | |
960 | data->gpi = lm93_read_byte(client, LM93_REG_GPI); | |
961 | ||
962 | /* #PROCHOT override state */ | |
963 | data->prochot_override = lm93_read_byte(client, | |
964 | LM93_REG_PROCHOT_OVERRIDE); | |
965 | ||
966 | /* #PROCHOT intervals */ | |
967 | data->prochot_interval = lm93_read_byte(client, | |
968 | LM93_REG_PROCHOT_INTERVAL); | |
969 | ||
af901ca1 | 970 | /* Fan Boost Temperature registers */ |
e46957ed HJK |
971 | for (i = 0; i < 4; i++) |
972 | data->boost[i] = lm93_read_byte(client, LM93_REG_BOOST(i)); | |
973 | ||
974 | /* Fan Boost Temperature Hyst. registers */ | |
975 | data->boost_hyst[0] = lm93_read_byte(client, LM93_REG_BOOST_HYST_12); | |
976 | data->boost_hyst[1] = lm93_read_byte(client, LM93_REG_BOOST_HYST_34); | |
977 | ||
978 | /* Temperature Zone Min. PWM & Hysteresis registers */ | |
979 | data->auto_pwm_min_hyst[0] = | |
980 | lm93_read_byte(client, LM93_REG_PWM_MIN_HYST_12); | |
981 | data->auto_pwm_min_hyst[1] = | |
982 | lm93_read_byte(client, LM93_REG_PWM_MIN_HYST_34); | |
983 | ||
984 | /* #PROCHOT & #VRDHOT PWM Ramp Control register */ | |
985 | data->pwm_ramp_ctl = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL); | |
986 | ||
987 | /* misc setup registers */ | |
988 | data->sfc1 = lm93_read_byte(client, LM93_REG_SFC1); | |
989 | data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); | |
990 | data->sf_tach_to_pwm = lm93_read_byte(client, | |
991 | LM93_REG_SF_TACH_TO_PWM); | |
992 | ||
993 | /* write back alarm values to clear */ | |
994 | for (i = 0, ptr = (u8 *)(&data->block1); i < 8; i++) | |
995 | lm93_write_byte(client, LM93_REG_HOST_ERROR_1 + i, *(ptr + i)); | |
996 | } | |
997 | ||
998 | /* update routine which uses SMBus block data commands */ | |
999 | static void lm93_update_client_full(struct lm93_data *data, | |
1000 | struct i2c_client *client) | |
1001 | { | |
2804a4cf | 1002 | dev_dbg(&client->dev, "starting device update (block data enabled)\n"); |
e46957ed HJK |
1003 | |
1004 | /* in1 - in16: values & limits */ | |
1005 | lm93_read_block(client, 3, (u8 *)(data->block3)); | |
1006 | lm93_read_block(client, 7, (u8 *)(data->block7)); | |
1007 | ||
1008 | /* temp1 - temp4: values */ | |
1009 | lm93_read_block(client, 2, (u8 *)(data->block2)); | |
1010 | ||
1011 | /* prochot1 - prochot2: values */ | |
1012 | lm93_read_block(client, 4, (u8 *)(data->block4)); | |
1013 | ||
1014 | /* fan1 - fan4: values & limits */ | |
1015 | lm93_read_block(client, 5, (u8 *)(data->block5)); | |
1016 | lm93_read_block(client, 8, (u8 *)(data->block8)); | |
1017 | ||
1018 | /* pmw control registers */ | |
1019 | lm93_read_block(client, 9, (u8 *)(data->block9)); | |
1020 | ||
1021 | /* alarm values */ | |
1022 | lm93_read_block(client, 1, (u8 *)(&data->block1)); | |
1023 | ||
1024 | /* auto/pwm registers */ | |
1025 | lm93_read_block(client, 10, (u8 *)(&data->block10)); | |
1026 | ||
1027 | lm93_update_client_common(data, client); | |
1028 | } | |
1029 | ||
1030 | /* update routine which uses SMBus byte/word data commands only */ | |
1031 | static void lm93_update_client_min(struct lm93_data *data, | |
1032 | struct i2c_client *client) | |
1033 | { | |
2804a4cf | 1034 | int i, j; |
e46957ed HJK |
1035 | u8 *ptr; |
1036 | ||
2804a4cf | 1037 | dev_dbg(&client->dev, "starting device update (block data disabled)\n"); |
e46957ed HJK |
1038 | |
1039 | /* in1 - in16: values & limits */ | |
1040 | for (i = 0; i < 16; i++) { | |
1041 | data->block3[i] = | |
1042 | lm93_read_byte(client, LM93_REG_IN(i)); | |
1043 | data->block7[i].min = | |
1044 | lm93_read_byte(client, LM93_REG_IN_MIN(i)); | |
1045 | data->block7[i].max = | |
1046 | lm93_read_byte(client, LM93_REG_IN_MAX(i)); | |
1047 | } | |
1048 | ||
1049 | /* temp1 - temp4: values */ | |
1050 | for (i = 0; i < 4; i++) { | |
1051 | data->block2[i] = | |
1052 | lm93_read_byte(client, LM93_REG_TEMP(i)); | |
1053 | } | |
1054 | ||
1055 | /* prochot1 - prochot2: values */ | |
1056 | for (i = 0; i < 2; i++) { | |
1057 | data->block4[i].cur = | |
1058 | lm93_read_byte(client, LM93_REG_PROCHOT_CUR(i)); | |
1059 | data->block4[i].avg = | |
1060 | lm93_read_byte(client, LM93_REG_PROCHOT_AVG(i)); | |
1061 | } | |
1062 | ||
1063 | /* fan1 - fan4: values & limits */ | |
1064 | for (i = 0; i < 4; i++) { | |
1065 | data->block5[i] = | |
1066 | lm93_read_word(client, LM93_REG_FAN(i)); | |
1067 | data->block8[i] = | |
1068 | lm93_read_word(client, LM93_REG_FAN_MIN(i)); | |
1069 | } | |
1070 | ||
1071 | /* pwm control registers */ | |
1072 | for (i = 0; i < 2; i++) { | |
1073 | for (j = 0; j < 4; j++) { | |
1074 | data->block9[i][j] = | |
2804a4cf | 1075 | lm93_read_byte(client, LM93_REG_PWM_CTL(i, j)); |
e46957ed HJK |
1076 | } |
1077 | } | |
1078 | ||
1079 | /* alarm values */ | |
1080 | for (i = 0, ptr = (u8 *)(&data->block1); i < 8; i++) { | |
1081 | *(ptr + i) = | |
1082 | lm93_read_byte(client, LM93_REG_HOST_ERROR_1 + i); | |
1083 | } | |
1084 | ||
1085 | /* auto/pwm (base temp) registers */ | |
1086 | for (i = 0; i < 4; i++) { | |
1087 | data->block10.base[i] = | |
1088 | lm93_read_byte(client, LM93_REG_TEMP_BASE(i)); | |
1089 | } | |
1090 | ||
1091 | /* auto/pwm (offset temp) registers */ | |
1092 | for (i = 0; i < 12; i++) { | |
1093 | data->block10.offset[i] = | |
1094 | lm93_read_byte(client, LM93_REG_TEMP_OFFSET(i)); | |
1095 | } | |
1096 | ||
1097 | lm93_update_client_common(data, client); | |
1098 | } | |
1099 | ||
1100 | /* following are the sysfs callback functions */ | |
7f9d0581 GR |
1101 | static ssize_t in_show(struct device *dev, struct device_attribute *attr, |
1102 | char *buf) | |
e46957ed HJK |
1103 | { |
1104 | int nr = (to_sensor_dev_attr(attr))->index; | |
1105 | ||
1106 | struct lm93_data *data = lm93_update_device(dev); | |
1107 | return sprintf(buf, "%d\n", LM93_IN_FROM_REG(nr, data->block3[nr])); | |
1108 | } | |
1109 | ||
7f9d0581 GR |
1110 | static SENSOR_DEVICE_ATTR_RO(in1_input, in, 0); |
1111 | static SENSOR_DEVICE_ATTR_RO(in2_input, in, 1); | |
1112 | static SENSOR_DEVICE_ATTR_RO(in3_input, in, 2); | |
1113 | static SENSOR_DEVICE_ATTR_RO(in4_input, in, 3); | |
1114 | static SENSOR_DEVICE_ATTR_RO(in5_input, in, 4); | |
1115 | static SENSOR_DEVICE_ATTR_RO(in6_input, in, 5); | |
1116 | static SENSOR_DEVICE_ATTR_RO(in7_input, in, 6); | |
1117 | static SENSOR_DEVICE_ATTR_RO(in8_input, in, 7); | |
1118 | static SENSOR_DEVICE_ATTR_RO(in9_input, in, 8); | |
1119 | static SENSOR_DEVICE_ATTR_RO(in10_input, in, 9); | |
1120 | static SENSOR_DEVICE_ATTR_RO(in11_input, in, 10); | |
1121 | static SENSOR_DEVICE_ATTR_RO(in12_input, in, 11); | |
1122 | static SENSOR_DEVICE_ATTR_RO(in13_input, in, 12); | |
1123 | static SENSOR_DEVICE_ATTR_RO(in14_input, in, 13); | |
1124 | static SENSOR_DEVICE_ATTR_RO(in15_input, in, 14); | |
1125 | static SENSOR_DEVICE_ATTR_RO(in16_input, in, 15); | |
1126 | ||
1127 | static ssize_t in_min_show(struct device *dev, struct device_attribute *attr, | |
1128 | char *buf) | |
e46957ed HJK |
1129 | { |
1130 | int nr = (to_sensor_dev_attr(attr))->index; | |
1131 | struct lm93_data *data = lm93_update_device(dev); | |
1132 | int vccp = nr - 6; | |
1133 | long rc, vid; | |
1134 | ||
2804a4cf | 1135 | if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) { |
e46957ed HJK |
1136 | vid = LM93_VID_FROM_REG(data->vid[vccp]); |
1137 | rc = LM93_IN_MIN_FROM_REG(data->vccp_limits[vccp], vid); | |
2804a4cf GR |
1138 | } else { |
1139 | rc = LM93_IN_FROM_REG(nr, data->block7[nr].min); | |
e46957ed | 1140 | } |
2804a4cf | 1141 | return sprintf(buf, "%ld\n", rc); |
e46957ed HJK |
1142 | } |
1143 | ||
7f9d0581 | 1144 | static ssize_t in_min_store(struct device *dev, struct device_attribute *attr, |
e46957ed HJK |
1145 | const char *buf, size_t count) |
1146 | { | |
1147 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1148 | struct lm93_data *data = dev_get_drvdata(dev); |
1149 | struct i2c_client *client = data->client; | |
e46957ed HJK |
1150 | int vccp = nr - 6; |
1151 | long vid; | |
2804a4cf GR |
1152 | unsigned long val; |
1153 | int err; | |
1154 | ||
1155 | err = kstrtoul(buf, 10, &val); | |
1156 | if (err) | |
1157 | return err; | |
e46957ed HJK |
1158 | |
1159 | mutex_lock(&data->update_lock); | |
2804a4cf | 1160 | if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) { |
e46957ed HJK |
1161 | vid = LM93_VID_FROM_REG(data->vid[vccp]); |
1162 | data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0xf0) | | |
1163 | LM93_IN_REL_TO_REG(val, 0, vid); | |
1164 | lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp), | |
1165 | data->vccp_limits[vccp]); | |
2804a4cf GR |
1166 | } else { |
1167 | data->block7[nr].min = LM93_IN_TO_REG(nr, val); | |
e46957ed HJK |
1168 | lm93_write_byte(client, LM93_REG_IN_MIN(nr), |
1169 | data->block7[nr].min); | |
1170 | } | |
1171 | mutex_unlock(&data->update_lock); | |
1172 | return count; | |
1173 | } | |
1174 | ||
7f9d0581 GR |
1175 | static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 0); |
1176 | static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 1); | |
1177 | static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 2); | |
1178 | static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 3); | |
1179 | static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 4); | |
1180 | static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 5); | |
1181 | static SENSOR_DEVICE_ATTR_RW(in7_min, in_min, 6); | |
1182 | static SENSOR_DEVICE_ATTR_RW(in8_min, in_min, 7); | |
1183 | static SENSOR_DEVICE_ATTR_RW(in9_min, in_min, 8); | |
1184 | static SENSOR_DEVICE_ATTR_RW(in10_min, in_min, 9); | |
1185 | static SENSOR_DEVICE_ATTR_RW(in11_min, in_min, 10); | |
1186 | static SENSOR_DEVICE_ATTR_RW(in12_min, in_min, 11); | |
1187 | static SENSOR_DEVICE_ATTR_RW(in13_min, in_min, 12); | |
1188 | static SENSOR_DEVICE_ATTR_RW(in14_min, in_min, 13); | |
1189 | static SENSOR_DEVICE_ATTR_RW(in15_min, in_min, 14); | |
1190 | static SENSOR_DEVICE_ATTR_RW(in16_min, in_min, 15); | |
1191 | ||
1192 | static ssize_t in_max_show(struct device *dev, struct device_attribute *attr, | |
1193 | char *buf) | |
e46957ed HJK |
1194 | { |
1195 | int nr = (to_sensor_dev_attr(attr))->index; | |
1196 | struct lm93_data *data = lm93_update_device(dev); | |
1197 | int vccp = nr - 6; | |
1198 | long rc, vid; | |
1199 | ||
2804a4cf | 1200 | if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) { |
e46957ed | 1201 | vid = LM93_VID_FROM_REG(data->vid[vccp]); |
2804a4cf GR |
1202 | rc = LM93_IN_MAX_FROM_REG(data->vccp_limits[vccp], vid); |
1203 | } else { | |
1204 | rc = LM93_IN_FROM_REG(nr, data->block7[nr].max); | |
e46957ed | 1205 | } |
2804a4cf | 1206 | return sprintf(buf, "%ld\n", rc); |
e46957ed HJK |
1207 | } |
1208 | ||
7f9d0581 | 1209 | static ssize_t in_max_store(struct device *dev, struct device_attribute *attr, |
e46957ed HJK |
1210 | const char *buf, size_t count) |
1211 | { | |
1212 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1213 | struct lm93_data *data = dev_get_drvdata(dev); |
1214 | struct i2c_client *client = data->client; | |
e46957ed HJK |
1215 | int vccp = nr - 6; |
1216 | long vid; | |
2804a4cf GR |
1217 | unsigned long val; |
1218 | int err; | |
1219 | ||
1220 | err = kstrtoul(buf, 10, &val); | |
1221 | if (err) | |
1222 | return err; | |
e46957ed HJK |
1223 | |
1224 | mutex_lock(&data->update_lock); | |
2804a4cf | 1225 | if ((nr == 6 || nr == 7) && vccp_limit_type[vccp]) { |
e46957ed HJK |
1226 | vid = LM93_VID_FROM_REG(data->vid[vccp]); |
1227 | data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0x0f) | | |
1228 | LM93_IN_REL_TO_REG(val, 1, vid); | |
1229 | lm93_write_byte(client, LM93_REG_VCCP_LIMIT_OFF(vccp), | |
1230 | data->vccp_limits[vccp]); | |
2804a4cf GR |
1231 | } else { |
1232 | data->block7[nr].max = LM93_IN_TO_REG(nr, val); | |
e46957ed HJK |
1233 | lm93_write_byte(client, LM93_REG_IN_MAX(nr), |
1234 | data->block7[nr].max); | |
1235 | } | |
1236 | mutex_unlock(&data->update_lock); | |
1237 | return count; | |
1238 | } | |
1239 | ||
7f9d0581 GR |
1240 | static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 0); |
1241 | static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 1); | |
1242 | static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 2); | |
1243 | static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 3); | |
1244 | static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 4); | |
1245 | static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 5); | |
1246 | static SENSOR_DEVICE_ATTR_RW(in7_max, in_max, 6); | |
1247 | static SENSOR_DEVICE_ATTR_RW(in8_max, in_max, 7); | |
1248 | static SENSOR_DEVICE_ATTR_RW(in9_max, in_max, 8); | |
1249 | static SENSOR_DEVICE_ATTR_RW(in10_max, in_max, 9); | |
1250 | static SENSOR_DEVICE_ATTR_RW(in11_max, in_max, 10); | |
1251 | static SENSOR_DEVICE_ATTR_RW(in12_max, in_max, 11); | |
1252 | static SENSOR_DEVICE_ATTR_RW(in13_max, in_max, 12); | |
1253 | static SENSOR_DEVICE_ATTR_RW(in14_max, in_max, 13); | |
1254 | static SENSOR_DEVICE_ATTR_RW(in15_max, in_max, 14); | |
1255 | static SENSOR_DEVICE_ATTR_RW(in16_max, in_max, 15); | |
1256 | ||
1257 | static ssize_t temp_show(struct device *dev, struct device_attribute *attr, | |
1258 | char *buf) | |
e46957ed HJK |
1259 | { |
1260 | int nr = (to_sensor_dev_attr(attr))->index; | |
1261 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 1262 | return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->block2[nr])); |
e46957ed HJK |
1263 | } |
1264 | ||
7f9d0581 GR |
1265 | static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0); |
1266 | static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1); | |
1267 | static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2); | |
e46957ed | 1268 | |
7f9d0581 GR |
1269 | static ssize_t temp_min_show(struct device *dev, |
1270 | struct device_attribute *attr, char *buf) | |
e46957ed HJK |
1271 | { |
1272 | int nr = (to_sensor_dev_attr(attr))->index; | |
1273 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 1274 | return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->temp_lim[nr].min)); |
e46957ed HJK |
1275 | } |
1276 | ||
7f9d0581 GR |
1277 | static ssize_t temp_min_store(struct device *dev, |
1278 | struct device_attribute *attr, const char *buf, | |
1279 | size_t count) | |
e46957ed HJK |
1280 | { |
1281 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1282 | struct lm93_data *data = dev_get_drvdata(dev); |
1283 | struct i2c_client *client = data->client; | |
2804a4cf GR |
1284 | long val; |
1285 | int err; | |
1286 | ||
1287 | err = kstrtol(buf, 10, &val); | |
1288 | if (err) | |
1289 | return err; | |
e46957ed HJK |
1290 | |
1291 | mutex_lock(&data->update_lock); | |
1292 | data->temp_lim[nr].min = LM93_TEMP_TO_REG(val); | |
1293 | lm93_write_byte(client, LM93_REG_TEMP_MIN(nr), data->temp_lim[nr].min); | |
1294 | mutex_unlock(&data->update_lock); | |
1295 | return count; | |
1296 | } | |
1297 | ||
7f9d0581 GR |
1298 | static SENSOR_DEVICE_ATTR_RW(temp1_min, temp_min, 0); |
1299 | static SENSOR_DEVICE_ATTR_RW(temp2_min, temp_min, 1); | |
1300 | static SENSOR_DEVICE_ATTR_RW(temp3_min, temp_min, 2); | |
e46957ed | 1301 | |
7f9d0581 | 1302 | static ssize_t temp_max_show(struct device *dev, |
e46957ed HJK |
1303 | struct device_attribute *attr, char *buf) |
1304 | { | |
1305 | int nr = (to_sensor_dev_attr(attr))->index; | |
1306 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 1307 | return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->temp_lim[nr].max)); |
e46957ed HJK |
1308 | } |
1309 | ||
7f9d0581 GR |
1310 | static ssize_t temp_max_store(struct device *dev, |
1311 | struct device_attribute *attr, const char *buf, | |
1312 | size_t count) | |
e46957ed HJK |
1313 | { |
1314 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1315 | struct lm93_data *data = dev_get_drvdata(dev); |
1316 | struct i2c_client *client = data->client; | |
2804a4cf GR |
1317 | long val; |
1318 | int err; | |
1319 | ||
1320 | err = kstrtol(buf, 10, &val); | |
1321 | if (err) | |
1322 | return err; | |
e46957ed HJK |
1323 | |
1324 | mutex_lock(&data->update_lock); | |
1325 | data->temp_lim[nr].max = LM93_TEMP_TO_REG(val); | |
1326 | lm93_write_byte(client, LM93_REG_TEMP_MAX(nr), data->temp_lim[nr].max); | |
1327 | mutex_unlock(&data->update_lock); | |
1328 | return count; | |
1329 | } | |
1330 | ||
7f9d0581 GR |
1331 | static SENSOR_DEVICE_ATTR_RW(temp1_max, temp_max, 0); |
1332 | static SENSOR_DEVICE_ATTR_RW(temp2_max, temp_max, 1); | |
1333 | static SENSOR_DEVICE_ATTR_RW(temp3_max, temp_max, 2); | |
e46957ed | 1334 | |
7f9d0581 GR |
1335 | static ssize_t temp_auto_base_show(struct device *dev, |
1336 | struct device_attribute *attr, char *buf) | |
e46957ed HJK |
1337 | { |
1338 | int nr = (to_sensor_dev_attr(attr))->index; | |
1339 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 1340 | return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->block10.base[nr])); |
e46957ed HJK |
1341 | } |
1342 | ||
7f9d0581 GR |
1343 | static ssize_t temp_auto_base_store(struct device *dev, |
1344 | struct device_attribute *attr, | |
1345 | const char *buf, size_t count) | |
e46957ed HJK |
1346 | { |
1347 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1348 | struct lm93_data *data = dev_get_drvdata(dev); |
1349 | struct i2c_client *client = data->client; | |
2804a4cf GR |
1350 | long val; |
1351 | int err; | |
1352 | ||
1353 | err = kstrtol(buf, 10, &val); | |
1354 | if (err) | |
1355 | return err; | |
e46957ed HJK |
1356 | |
1357 | mutex_lock(&data->update_lock); | |
1358 | data->block10.base[nr] = LM93_TEMP_TO_REG(val); | |
1359 | lm93_write_byte(client, LM93_REG_TEMP_BASE(nr), data->block10.base[nr]); | |
1360 | mutex_unlock(&data->update_lock); | |
1361 | return count; | |
1362 | } | |
1363 | ||
7f9d0581 GR |
1364 | static SENSOR_DEVICE_ATTR_RW(temp1_auto_base, temp_auto_base, 0); |
1365 | static SENSOR_DEVICE_ATTR_RW(temp2_auto_base, temp_auto_base, 1); | |
1366 | static SENSOR_DEVICE_ATTR_RW(temp3_auto_base, temp_auto_base, 2); | |
e46957ed | 1367 | |
7f9d0581 | 1368 | static ssize_t temp_auto_boost_show(struct device *dev, |
2804a4cf | 1369 | struct device_attribute *attr, char *buf) |
e46957ed HJK |
1370 | { |
1371 | int nr = (to_sensor_dev_attr(attr))->index; | |
1372 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 1373 | return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->boost[nr])); |
e46957ed HJK |
1374 | } |
1375 | ||
7f9d0581 | 1376 | static ssize_t temp_auto_boost_store(struct device *dev, |
e46957ed HJK |
1377 | struct device_attribute *attr, |
1378 | const char *buf, size_t count) | |
1379 | { | |
1380 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1381 | struct lm93_data *data = dev_get_drvdata(dev); |
1382 | struct i2c_client *client = data->client; | |
2804a4cf GR |
1383 | long val; |
1384 | int err; | |
1385 | ||
1386 | err = kstrtol(buf, 10, &val); | |
1387 | if (err) | |
1388 | return err; | |
e46957ed HJK |
1389 | |
1390 | mutex_lock(&data->update_lock); | |
1391 | data->boost[nr] = LM93_TEMP_TO_REG(val); | |
1392 | lm93_write_byte(client, LM93_REG_BOOST(nr), data->boost[nr]); | |
1393 | mutex_unlock(&data->update_lock); | |
1394 | return count; | |
1395 | } | |
1396 | ||
7f9d0581 GR |
1397 | static SENSOR_DEVICE_ATTR_RW(temp1_auto_boost, temp_auto_boost, 0); |
1398 | static SENSOR_DEVICE_ATTR_RW(temp2_auto_boost, temp_auto_boost, 1); | |
1399 | static SENSOR_DEVICE_ATTR_RW(temp3_auto_boost, temp_auto_boost, 2); | |
e46957ed | 1400 | |
7f9d0581 | 1401 | static ssize_t temp_auto_boost_hyst_show(struct device *dev, |
e46957ed HJK |
1402 | struct device_attribute *attr, |
1403 | char *buf) | |
1404 | { | |
1405 | int nr = (to_sensor_dev_attr(attr))->index; | |
1406 | struct lm93_data *data = lm93_update_device(dev); | |
1407 | int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr); | |
2804a4cf | 1408 | return sprintf(buf, "%d\n", |
e46957ed HJK |
1409 | LM93_AUTO_BOOST_HYST_FROM_REGS(data, nr, mode)); |
1410 | } | |
1411 | ||
7f9d0581 | 1412 | static ssize_t temp_auto_boost_hyst_store(struct device *dev, |
e46957ed HJK |
1413 | struct device_attribute *attr, |
1414 | const char *buf, size_t count) | |
1415 | { | |
1416 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1417 | struct lm93_data *data = dev_get_drvdata(dev); |
1418 | struct i2c_client *client = data->client; | |
2804a4cf GR |
1419 | unsigned long val; |
1420 | int err; | |
1421 | ||
1422 | err = kstrtoul(buf, 10, &val); | |
1423 | if (err) | |
1424 | return err; | |
e46957ed HJK |
1425 | |
1426 | mutex_lock(&data->update_lock); | |
1427 | /* force 0.5C/bit mode */ | |
1428 | data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); | |
1429 | data->sfc2 |= ((nr < 2) ? 0x10 : 0x20); | |
1430 | lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); | |
1431 | data->boost_hyst[nr/2] = LM93_AUTO_BOOST_HYST_TO_REG(data, val, nr, 1); | |
1432 | lm93_write_byte(client, LM93_REG_BOOST_HYST(nr), | |
1433 | data->boost_hyst[nr/2]); | |
1434 | mutex_unlock(&data->update_lock); | |
1435 | return count; | |
1436 | } | |
1437 | ||
7f9d0581 GR |
1438 | static SENSOR_DEVICE_ATTR_RW(temp1_auto_boost_hyst, temp_auto_boost_hyst, 0); |
1439 | static SENSOR_DEVICE_ATTR_RW(temp2_auto_boost_hyst, temp_auto_boost_hyst, 1); | |
1440 | static SENSOR_DEVICE_ATTR_RW(temp3_auto_boost_hyst, temp_auto_boost_hyst, 2); | |
e46957ed | 1441 | |
7f9d0581 GR |
1442 | static ssize_t temp_auto_offset_show(struct device *dev, |
1443 | struct device_attribute *attr, char *buf) | |
e46957ed HJK |
1444 | { |
1445 | struct sensor_device_attribute_2 *s_attr = to_sensor_dev_attr_2(attr); | |
1446 | int nr = s_attr->index; | |
1447 | int ofs = s_attr->nr; | |
1448 | struct lm93_data *data = lm93_update_device(dev); | |
1449 | int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr); | |
2804a4cf | 1450 | return sprintf(buf, "%d\n", |
e46957ed | 1451 | LM93_TEMP_AUTO_OFFSET_FROM_REG(data->block10.offset[ofs], |
2804a4cf | 1452 | nr, mode)); |
e46957ed HJK |
1453 | } |
1454 | ||
7f9d0581 GR |
1455 | static ssize_t temp_auto_offset_store(struct device *dev, |
1456 | struct device_attribute *attr, | |
1457 | const char *buf, size_t count) | |
e46957ed HJK |
1458 | { |
1459 | struct sensor_device_attribute_2 *s_attr = to_sensor_dev_attr_2(attr); | |
1460 | int nr = s_attr->index; | |
1461 | int ofs = s_attr->nr; | |
6579d589 AL |
1462 | struct lm93_data *data = dev_get_drvdata(dev); |
1463 | struct i2c_client *client = data->client; | |
2804a4cf GR |
1464 | unsigned long val; |
1465 | int err; | |
1466 | ||
1467 | err = kstrtoul(buf, 10, &val); | |
1468 | if (err) | |
1469 | return err; | |
e46957ed HJK |
1470 | |
1471 | mutex_lock(&data->update_lock); | |
1472 | /* force 0.5C/bit mode */ | |
1473 | data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); | |
1474 | data->sfc2 |= ((nr < 2) ? 0x10 : 0x20); | |
1475 | lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); | |
1476 | data->block10.offset[ofs] = LM93_TEMP_AUTO_OFFSET_TO_REG( | |
1477 | data->block10.offset[ofs], val, nr, 1); | |
1478 | lm93_write_byte(client, LM93_REG_TEMP_OFFSET(ofs), | |
1479 | data->block10.offset[ofs]); | |
1480 | mutex_unlock(&data->update_lock); | |
1481 | return count; | |
1482 | } | |
1483 | ||
7f9d0581 GR |
1484 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset1, temp_auto_offset, 0, 0); |
1485 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset2, temp_auto_offset, 1, 0); | |
1486 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset3, temp_auto_offset, 2, 0); | |
1487 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset4, temp_auto_offset, 3, 0); | |
1488 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset5, temp_auto_offset, 4, 0); | |
1489 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset6, temp_auto_offset, 5, 0); | |
1490 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset7, temp_auto_offset, 6, 0); | |
1491 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset8, temp_auto_offset, 7, 0); | |
1492 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset9, temp_auto_offset, 8, 0); | |
1493 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset10, temp_auto_offset, 9, 0); | |
1494 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset11, temp_auto_offset, 10, 0); | |
1495 | static SENSOR_DEVICE_ATTR_2_RW(temp1_auto_offset12, temp_auto_offset, 11, 0); | |
1496 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset1, temp_auto_offset, 0, 1); | |
1497 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset2, temp_auto_offset, 1, 1); | |
1498 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset3, temp_auto_offset, 2, 1); | |
1499 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset4, temp_auto_offset, 3, 1); | |
1500 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset5, temp_auto_offset, 4, 1); | |
1501 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset6, temp_auto_offset, 5, 1); | |
1502 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset7, temp_auto_offset, 6, 1); | |
1503 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset8, temp_auto_offset, 7, 1); | |
1504 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset9, temp_auto_offset, 8, 1); | |
1505 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset10, temp_auto_offset, 9, 1); | |
1506 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset11, temp_auto_offset, 10, 1); | |
1507 | static SENSOR_DEVICE_ATTR_2_RW(temp2_auto_offset12, temp_auto_offset, 11, 1); | |
1508 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset1, temp_auto_offset, 0, 2); | |
1509 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset2, temp_auto_offset, 1, 2); | |
1510 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset3, temp_auto_offset, 2, 2); | |
1511 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset4, temp_auto_offset, 3, 2); | |
1512 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset5, temp_auto_offset, 4, 2); | |
1513 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset6, temp_auto_offset, 5, 2); | |
1514 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset7, temp_auto_offset, 6, 2); | |
1515 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset8, temp_auto_offset, 7, 2); | |
1516 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset9, temp_auto_offset, 8, 2); | |
1517 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset10, temp_auto_offset, 9, 2); | |
1518 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset11, temp_auto_offset, 10, 2); | |
1519 | static SENSOR_DEVICE_ATTR_2_RW(temp3_auto_offset12, temp_auto_offset, 11, 2); | |
1520 | ||
1521 | static ssize_t temp_auto_pwm_min_show(struct device *dev, | |
1522 | struct device_attribute *attr, | |
1523 | char *buf) | |
e46957ed HJK |
1524 | { |
1525 | int nr = (to_sensor_dev_attr(attr))->index; | |
1526 | u8 reg, ctl4; | |
1527 | struct lm93_data *data = lm93_update_device(dev); | |
1528 | reg = data->auto_pwm_min_hyst[nr/2] >> 4 & 0x0f; | |
1529 | ctl4 = data->block9[nr][LM93_PWM_CTL4]; | |
2804a4cf | 1530 | return sprintf(buf, "%d\n", LM93_PWM_FROM_REG(reg, (ctl4 & 0x07) ? |
e46957ed HJK |
1531 | LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ)); |
1532 | } | |
1533 | ||
7f9d0581 GR |
1534 | static ssize_t temp_auto_pwm_min_store(struct device *dev, |
1535 | struct device_attribute *attr, | |
1536 | const char *buf, size_t count) | |
e46957ed HJK |
1537 | { |
1538 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1539 | struct lm93_data *data = dev_get_drvdata(dev); |
1540 | struct i2c_client *client = data->client; | |
e46957ed | 1541 | u8 reg, ctl4; |
2804a4cf GR |
1542 | unsigned long val; |
1543 | int err; | |
1544 | ||
1545 | err = kstrtoul(buf, 10, &val); | |
1546 | if (err) | |
1547 | return err; | |
e46957ed HJK |
1548 | |
1549 | mutex_lock(&data->update_lock); | |
1550 | reg = lm93_read_byte(client, LM93_REG_PWM_MIN_HYST(nr)); | |
2804a4cf | 1551 | ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4)); |
e46957ed HJK |
1552 | reg = (reg & 0x0f) | |
1553 | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ? | |
1554 | LM93_PWM_MAP_LO_FREQ : | |
1555 | LM93_PWM_MAP_HI_FREQ) << 4; | |
1556 | data->auto_pwm_min_hyst[nr/2] = reg; | |
1557 | lm93_write_byte(client, LM93_REG_PWM_MIN_HYST(nr), reg); | |
1558 | mutex_unlock(&data->update_lock); | |
1559 | return count; | |
1560 | } | |
1561 | ||
7f9d0581 GR |
1562 | static SENSOR_DEVICE_ATTR_RW(temp1_auto_pwm_min, temp_auto_pwm_min, 0); |
1563 | static SENSOR_DEVICE_ATTR_RW(temp2_auto_pwm_min, temp_auto_pwm_min, 1); | |
1564 | static SENSOR_DEVICE_ATTR_RW(temp3_auto_pwm_min, temp_auto_pwm_min, 2); | |
e46957ed | 1565 | |
7f9d0581 GR |
1566 | static ssize_t temp_auto_offset_hyst_show(struct device *dev, |
1567 | struct device_attribute *attr, | |
1568 | char *buf) | |
e46957ed HJK |
1569 | { |
1570 | int nr = (to_sensor_dev_attr(attr))->index; | |
1571 | struct lm93_data *data = lm93_update_device(dev); | |
1572 | int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr); | |
2804a4cf GR |
1573 | return sprintf(buf, "%d\n", LM93_TEMP_OFFSET_FROM_REG( |
1574 | data->auto_pwm_min_hyst[nr / 2], mode)); | |
e46957ed HJK |
1575 | } |
1576 | ||
7f9d0581 GR |
1577 | static ssize_t temp_auto_offset_hyst_store(struct device *dev, |
1578 | struct device_attribute *attr, | |
1579 | const char *buf, size_t count) | |
e46957ed HJK |
1580 | { |
1581 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1582 | struct lm93_data *data = dev_get_drvdata(dev); |
1583 | struct i2c_client *client = data->client; | |
e46957ed | 1584 | u8 reg; |
2804a4cf GR |
1585 | unsigned long val; |
1586 | int err; | |
1587 | ||
1588 | err = kstrtoul(buf, 10, &val); | |
1589 | if (err) | |
1590 | return err; | |
e46957ed HJK |
1591 | |
1592 | mutex_lock(&data->update_lock); | |
1593 | /* force 0.5C/bit mode */ | |
1594 | data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); | |
1595 | data->sfc2 |= ((nr < 2) ? 0x10 : 0x20); | |
1596 | lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); | |
1597 | reg = data->auto_pwm_min_hyst[nr/2]; | |
1598 | reg = (reg & 0xf0) | (LM93_TEMP_OFFSET_TO_REG(val, 1) & 0x0f); | |
1599 | data->auto_pwm_min_hyst[nr/2] = reg; | |
1600 | lm93_write_byte(client, LM93_REG_PWM_MIN_HYST(nr), reg); | |
1601 | mutex_unlock(&data->update_lock); | |
1602 | return count; | |
1603 | } | |
1604 | ||
7f9d0581 GR |
1605 | static SENSOR_DEVICE_ATTR_RW(temp1_auto_offset_hyst, temp_auto_offset_hyst, 0); |
1606 | static SENSOR_DEVICE_ATTR_RW(temp2_auto_offset_hyst, temp_auto_offset_hyst, 1); | |
1607 | static SENSOR_DEVICE_ATTR_RW(temp3_auto_offset_hyst, temp_auto_offset_hyst, 2); | |
e46957ed | 1608 | |
7f9d0581 GR |
1609 | static ssize_t fan_input_show(struct device *dev, |
1610 | struct device_attribute *attr, char *buf) | |
e46957ed HJK |
1611 | { |
1612 | struct sensor_device_attribute *s_attr = to_sensor_dev_attr(attr); | |
1613 | int nr = s_attr->index; | |
1614 | struct lm93_data *data = lm93_update_device(dev); | |
1615 | ||
2804a4cf | 1616 | return sprintf(buf, "%d\n", LM93_FAN_FROM_REG(data->block5[nr])); |
e46957ed HJK |
1617 | } |
1618 | ||
7f9d0581 GR |
1619 | static SENSOR_DEVICE_ATTR_RO(fan1_input, fan_input, 0); |
1620 | static SENSOR_DEVICE_ATTR_RO(fan2_input, fan_input, 1); | |
1621 | static SENSOR_DEVICE_ATTR_RO(fan3_input, fan_input, 2); | |
1622 | static SENSOR_DEVICE_ATTR_RO(fan4_input, fan_input, 3); | |
e46957ed | 1623 | |
7f9d0581 GR |
1624 | static ssize_t fan_min_show(struct device *dev, struct device_attribute *attr, |
1625 | char *buf) | |
e46957ed HJK |
1626 | { |
1627 | int nr = (to_sensor_dev_attr(attr))->index; | |
1628 | struct lm93_data *data = lm93_update_device(dev); | |
1629 | ||
2804a4cf | 1630 | return sprintf(buf, "%d\n", LM93_FAN_FROM_REG(data->block8[nr])); |
e46957ed HJK |
1631 | } |
1632 | ||
7f9d0581 GR |
1633 | static ssize_t fan_min_store(struct device *dev, |
1634 | struct device_attribute *attr, const char *buf, | |
1635 | size_t count) | |
e46957ed HJK |
1636 | { |
1637 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1638 | struct lm93_data *data = dev_get_drvdata(dev); |
1639 | struct i2c_client *client = data->client; | |
2804a4cf GR |
1640 | unsigned long val; |
1641 | int err; | |
1642 | ||
1643 | err = kstrtoul(buf, 10, &val); | |
1644 | if (err) | |
1645 | return err; | |
e46957ed HJK |
1646 | |
1647 | mutex_lock(&data->update_lock); | |
1648 | data->block8[nr] = LM93_FAN_TO_REG(val); | |
2804a4cf | 1649 | lm93_write_word(client, LM93_REG_FAN_MIN(nr), data->block8[nr]); |
e46957ed HJK |
1650 | mutex_unlock(&data->update_lock); |
1651 | return count; | |
1652 | } | |
1653 | ||
7f9d0581 GR |
1654 | static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0); |
1655 | static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1); | |
1656 | static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2); | |
1657 | static SENSOR_DEVICE_ATTR_RW(fan4_min, fan_min, 3); | |
e46957ed | 1658 | |
2804a4cf GR |
1659 | /* |
1660 | * some tedious bit-twiddling here to deal with the register format: | |
1661 | * | |
1662 | * data->sf_tach_to_pwm: (tach to pwm mapping bits) | |
1663 | * | |
1664 | * bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
1665 | * T4:P2 T4:P1 T3:P2 T3:P1 T2:P2 T2:P1 T1:P2 T1:P1 | |
1666 | * | |
1667 | * data->sfc2: (enable bits) | |
1668 | * | |
1669 | * bit | 3 | 2 | 1 | 0 | |
1670 | * T4 T3 T2 T1 | |
1671 | */ | |
e46957ed | 1672 | |
7f9d0581 GR |
1673 | static ssize_t fan_smart_tach_show(struct device *dev, |
1674 | struct device_attribute *attr, char *buf) | |
e46957ed HJK |
1675 | { |
1676 | int nr = (to_sensor_dev_attr(attr))->index; | |
1677 | struct lm93_data *data = lm93_update_device(dev); | |
1678 | long rc = 0; | |
1679 | int mapping; | |
1680 | ||
1681 | /* extract the relevant mapping */ | |
1682 | mapping = (data->sf_tach_to_pwm >> (nr * 2)) & 0x03; | |
1683 | ||
1684 | /* if there's a mapping and it's enabled */ | |
1685 | if (mapping && ((data->sfc2 >> nr) & 0x01)) | |
1686 | rc = mapping; | |
2804a4cf | 1687 | return sprintf(buf, "%ld\n", rc); |
e46957ed HJK |
1688 | } |
1689 | ||
2804a4cf GR |
1690 | /* |
1691 | * helper function - must grab data->update_lock before calling | |
1692 | * fan is 0-3, indicating fan1-fan4 | |
1693 | */ | |
e46957ed HJK |
1694 | static void lm93_write_fan_smart_tach(struct i2c_client *client, |
1695 | struct lm93_data *data, int fan, long value) | |
1696 | { | |
1697 | /* insert the new mapping and write it out */ | |
1698 | data->sf_tach_to_pwm = lm93_read_byte(client, LM93_REG_SF_TACH_TO_PWM); | |
1699 | data->sf_tach_to_pwm &= ~(0x3 << fan * 2); | |
1700 | data->sf_tach_to_pwm |= value << fan * 2; | |
1701 | lm93_write_byte(client, LM93_REG_SF_TACH_TO_PWM, data->sf_tach_to_pwm); | |
1702 | ||
1703 | /* insert the enable bit and write it out */ | |
1704 | data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); | |
1705 | if (value) | |
1706 | data->sfc2 |= 1 << fan; | |
1707 | else | |
1708 | data->sfc2 &= ~(1 << fan); | |
1709 | lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); | |
1710 | } | |
1711 | ||
7f9d0581 GR |
1712 | static ssize_t fan_smart_tach_store(struct device *dev, |
1713 | struct device_attribute *attr, | |
1714 | const char *buf, size_t count) | |
e46957ed HJK |
1715 | { |
1716 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1717 | struct lm93_data *data = dev_get_drvdata(dev); |
1718 | struct i2c_client *client = data->client; | |
2804a4cf GR |
1719 | unsigned long val; |
1720 | int err; | |
1721 | ||
1722 | err = kstrtoul(buf, 10, &val); | |
1723 | if (err) | |
1724 | return err; | |
e46957ed HJK |
1725 | |
1726 | mutex_lock(&data->update_lock); | |
1727 | /* sanity test, ignore the write otherwise */ | |
3be8102f | 1728 | if (val <= 2) { |
e46957ed HJK |
1729 | /* can't enable if pwm freq is 22.5KHz */ |
1730 | if (val) { | |
1731 | u8 ctl4 = lm93_read_byte(client, | |
2804a4cf | 1732 | LM93_REG_PWM_CTL(val - 1, LM93_PWM_CTL4)); |
e46957ed HJK |
1733 | if ((ctl4 & 0x07) == 0) |
1734 | val = 0; | |
1735 | } | |
1736 | lm93_write_fan_smart_tach(client, data, nr, val); | |
1737 | } | |
1738 | mutex_unlock(&data->update_lock); | |
1739 | return count; | |
1740 | } | |
1741 | ||
7f9d0581 GR |
1742 | static SENSOR_DEVICE_ATTR_RW(fan1_smart_tach, fan_smart_tach, 0); |
1743 | static SENSOR_DEVICE_ATTR_RW(fan2_smart_tach, fan_smart_tach, 1); | |
1744 | static SENSOR_DEVICE_ATTR_RW(fan3_smart_tach, fan_smart_tach, 2); | |
1745 | static SENSOR_DEVICE_ATTR_RW(fan4_smart_tach, fan_smart_tach, 3); | |
e46957ed | 1746 | |
7f9d0581 | 1747 | static ssize_t pwm_show(struct device *dev, struct device_attribute *attr, |
e46957ed HJK |
1748 | char *buf) |
1749 | { | |
1750 | int nr = (to_sensor_dev_attr(attr))->index; | |
1751 | struct lm93_data *data = lm93_update_device(dev); | |
1752 | u8 ctl2, ctl4; | |
1753 | long rc; | |
1754 | ||
1755 | ctl2 = data->block9[nr][LM93_PWM_CTL2]; | |
1756 | ctl4 = data->block9[nr][LM93_PWM_CTL4]; | |
1757 | if (ctl2 & 0x01) /* show user commanded value if enabled */ | |
1758 | rc = data->pwm_override[nr]; | |
1759 | else /* show present h/w value if manual pwm disabled */ | |
1760 | rc = LM93_PWM_FROM_REG(ctl2 >> 4, (ctl4 & 0x07) ? | |
1761 | LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ); | |
2804a4cf | 1762 | return sprintf(buf, "%ld\n", rc); |
e46957ed HJK |
1763 | } |
1764 | ||
7f9d0581 GR |
1765 | static ssize_t pwm_store(struct device *dev, struct device_attribute *attr, |
1766 | const char *buf, size_t count) | |
e46957ed HJK |
1767 | { |
1768 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1769 | struct lm93_data *data = dev_get_drvdata(dev); |
1770 | struct i2c_client *client = data->client; | |
e46957ed | 1771 | u8 ctl2, ctl4; |
2804a4cf GR |
1772 | unsigned long val; |
1773 | int err; | |
1774 | ||
1775 | err = kstrtoul(buf, 10, &val); | |
1776 | if (err) | |
1777 | return err; | |
e46957ed HJK |
1778 | |
1779 | mutex_lock(&data->update_lock); | |
2804a4cf GR |
1780 | ctl2 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2)); |
1781 | ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4)); | |
1782 | ctl2 = (ctl2 & 0x0f) | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ? | |
e46957ed HJK |
1783 | LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ) << 4; |
1784 | /* save user commanded value */ | |
1785 | data->pwm_override[nr] = LM93_PWM_FROM_REG(ctl2 >> 4, | |
1786 | (ctl4 & 0x07) ? LM93_PWM_MAP_LO_FREQ : | |
1787 | LM93_PWM_MAP_HI_FREQ); | |
2804a4cf | 1788 | lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2), ctl2); |
e46957ed HJK |
1789 | mutex_unlock(&data->update_lock); |
1790 | return count; | |
1791 | } | |
1792 | ||
7f9d0581 GR |
1793 | static SENSOR_DEVICE_ATTR_RW(pwm1, pwm, 0); |
1794 | static SENSOR_DEVICE_ATTR_RW(pwm2, pwm, 1); | |
e46957ed | 1795 | |
7f9d0581 GR |
1796 | static ssize_t pwm_enable_show(struct device *dev, |
1797 | struct device_attribute *attr, char *buf) | |
e46957ed HJK |
1798 | { |
1799 | int nr = (to_sensor_dev_attr(attr))->index; | |
1800 | struct lm93_data *data = lm93_update_device(dev); | |
1801 | u8 ctl2; | |
1802 | long rc; | |
1803 | ||
1804 | ctl2 = data->block9[nr][LM93_PWM_CTL2]; | |
1805 | if (ctl2 & 0x01) /* manual override enabled ? */ | |
1806 | rc = ((ctl2 & 0xF0) == 0xF0) ? 0 : 1; | |
1807 | else | |
1808 | rc = 2; | |
2804a4cf | 1809 | return sprintf(buf, "%ld\n", rc); |
e46957ed HJK |
1810 | } |
1811 | ||
7f9d0581 | 1812 | static ssize_t pwm_enable_store(struct device *dev, |
e46957ed HJK |
1813 | struct device_attribute *attr, |
1814 | const char *buf, size_t count) | |
1815 | { | |
1816 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1817 | struct lm93_data *data = dev_get_drvdata(dev); |
1818 | struct i2c_client *client = data->client; | |
e46957ed | 1819 | u8 ctl2; |
2804a4cf GR |
1820 | unsigned long val; |
1821 | int err; | |
1822 | ||
1823 | err = kstrtoul(buf, 10, &val); | |
1824 | if (err) | |
1825 | return err; | |
e46957ed HJK |
1826 | |
1827 | mutex_lock(&data->update_lock); | |
2804a4cf | 1828 | ctl2 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2)); |
e46957ed HJK |
1829 | |
1830 | switch (val) { | |
1831 | case 0: | |
1832 | ctl2 |= 0xF1; /* enable manual override, set PWM to max */ | |
1833 | break; | |
2804a4cf GR |
1834 | case 1: |
1835 | ctl2 |= 0x01; /* enable manual override */ | |
e46957ed | 1836 | break; |
2804a4cf GR |
1837 | case 2: |
1838 | ctl2 &= ~0x01; /* disable manual override */ | |
e46957ed HJK |
1839 | break; |
1840 | default: | |
1841 | mutex_unlock(&data->update_lock); | |
1842 | return -EINVAL; | |
1843 | } | |
1844 | ||
2804a4cf | 1845 | lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL2), ctl2); |
e46957ed HJK |
1846 | mutex_unlock(&data->update_lock); |
1847 | return count; | |
1848 | } | |
1849 | ||
7f9d0581 GR |
1850 | static SENSOR_DEVICE_ATTR_RW(pwm1_enable, pwm_enable, 0); |
1851 | static SENSOR_DEVICE_ATTR_RW(pwm2_enable, pwm_enable, 1); | |
e46957ed | 1852 | |
7f9d0581 GR |
1853 | static ssize_t pwm_freq_show(struct device *dev, |
1854 | struct device_attribute *attr, char *buf) | |
e46957ed HJK |
1855 | { |
1856 | int nr = (to_sensor_dev_attr(attr))->index; | |
1857 | struct lm93_data *data = lm93_update_device(dev); | |
1858 | u8 ctl4; | |
1859 | ||
1860 | ctl4 = data->block9[nr][LM93_PWM_CTL4]; | |
2804a4cf | 1861 | return sprintf(buf, "%d\n", LM93_PWM_FREQ_FROM_REG(ctl4)); |
e46957ed HJK |
1862 | } |
1863 | ||
2804a4cf GR |
1864 | /* |
1865 | * helper function - must grab data->update_lock before calling | |
1866 | * pwm is 0-1, indicating pwm1-pwm2 | |
1867 | * this disables smart tach for all tach channels bound to the given pwm | |
1868 | */ | |
e46957ed HJK |
1869 | static void lm93_disable_fan_smart_tach(struct i2c_client *client, |
1870 | struct lm93_data *data, int pwm) | |
1871 | { | |
1872 | int mapping = lm93_read_byte(client, LM93_REG_SF_TACH_TO_PWM); | |
1873 | int mask; | |
1874 | ||
1875 | /* collapse the mapping into a mask of enable bits */ | |
1876 | mapping = (mapping >> pwm) & 0x55; | |
1877 | mask = mapping & 0x01; | |
1878 | mask |= (mapping & 0x04) >> 1; | |
1879 | mask |= (mapping & 0x10) >> 2; | |
1880 | mask |= (mapping & 0x40) >> 3; | |
1881 | ||
1882 | /* disable smart tach according to the mask */ | |
1883 | data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2); | |
1884 | data->sfc2 &= ~mask; | |
1885 | lm93_write_byte(client, LM93_REG_SFC2, data->sfc2); | |
1886 | } | |
1887 | ||
7f9d0581 GR |
1888 | static ssize_t pwm_freq_store(struct device *dev, |
1889 | struct device_attribute *attr, const char *buf, | |
1890 | size_t count) | |
e46957ed HJK |
1891 | { |
1892 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1893 | struct lm93_data *data = dev_get_drvdata(dev); |
1894 | struct i2c_client *client = data->client; | |
e46957ed | 1895 | u8 ctl4; |
2804a4cf GR |
1896 | unsigned long val; |
1897 | int err; | |
1898 | ||
1899 | err = kstrtoul(buf, 10, &val); | |
1900 | if (err) | |
1901 | return err; | |
e46957ed HJK |
1902 | |
1903 | mutex_lock(&data->update_lock); | |
2804a4cf | 1904 | ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4)); |
e46957ed HJK |
1905 | ctl4 = (ctl4 & 0xf8) | LM93_PWM_FREQ_TO_REG(val); |
1906 | data->block9[nr][LM93_PWM_CTL4] = ctl4; | |
1907 | /* ctl4 == 0 -> 22.5KHz -> disable smart tach */ | |
1908 | if (!ctl4) | |
1909 | lm93_disable_fan_smart_tach(client, data, nr); | |
2804a4cf | 1910 | lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4), ctl4); |
e46957ed HJK |
1911 | mutex_unlock(&data->update_lock); |
1912 | return count; | |
1913 | } | |
1914 | ||
7f9d0581 GR |
1915 | static SENSOR_DEVICE_ATTR_RW(pwm1_freq, pwm_freq, 0); |
1916 | static SENSOR_DEVICE_ATTR_RW(pwm2_freq, pwm_freq, 1); | |
e46957ed | 1917 | |
7f9d0581 GR |
1918 | static ssize_t pwm_auto_channels_show(struct device *dev, |
1919 | struct device_attribute *attr, | |
1920 | char *buf) | |
e46957ed HJK |
1921 | { |
1922 | int nr = (to_sensor_dev_attr(attr))->index; | |
1923 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 1924 | return sprintf(buf, "%d\n", data->block9[nr][LM93_PWM_CTL1]); |
e46957ed HJK |
1925 | } |
1926 | ||
7f9d0581 GR |
1927 | static ssize_t pwm_auto_channels_store(struct device *dev, |
1928 | struct device_attribute *attr, | |
1929 | const char *buf, size_t count) | |
e46957ed HJK |
1930 | { |
1931 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1932 | struct lm93_data *data = dev_get_drvdata(dev); |
1933 | struct i2c_client *client = data->client; | |
2804a4cf GR |
1934 | unsigned long val; |
1935 | int err; | |
1936 | ||
1937 | err = kstrtoul(buf, 10, &val); | |
1938 | if (err) | |
1939 | return err; | |
e46957ed HJK |
1940 | |
1941 | mutex_lock(&data->update_lock); | |
2a844c14 | 1942 | data->block9[nr][LM93_PWM_CTL1] = clamp_val(val, 0, 255); |
2804a4cf | 1943 | lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL1), |
e46957ed HJK |
1944 | data->block9[nr][LM93_PWM_CTL1]); |
1945 | mutex_unlock(&data->update_lock); | |
1946 | return count; | |
1947 | } | |
1948 | ||
7f9d0581 GR |
1949 | static SENSOR_DEVICE_ATTR_RW(pwm1_auto_channels, pwm_auto_channels, 0); |
1950 | static SENSOR_DEVICE_ATTR_RW(pwm2_auto_channels, pwm_auto_channels, 1); | |
e46957ed | 1951 | |
7f9d0581 GR |
1952 | static ssize_t pwm_auto_spinup_min_show(struct device *dev, |
1953 | struct device_attribute *attr, | |
1954 | char *buf) | |
e46957ed HJK |
1955 | { |
1956 | int nr = (to_sensor_dev_attr(attr))->index; | |
1957 | struct lm93_data *data = lm93_update_device(dev); | |
1958 | u8 ctl3, ctl4; | |
1959 | ||
1960 | ctl3 = data->block9[nr][LM93_PWM_CTL3]; | |
1961 | ctl4 = data->block9[nr][LM93_PWM_CTL4]; | |
2804a4cf | 1962 | return sprintf(buf, "%d\n", |
e46957ed HJK |
1963 | LM93_PWM_FROM_REG(ctl3 & 0x0f, (ctl4 & 0x07) ? |
1964 | LM93_PWM_MAP_LO_FREQ : LM93_PWM_MAP_HI_FREQ)); | |
1965 | } | |
1966 | ||
7f9d0581 GR |
1967 | static ssize_t pwm_auto_spinup_min_store(struct device *dev, |
1968 | struct device_attribute *attr, | |
1969 | const char *buf, size_t count) | |
e46957ed HJK |
1970 | { |
1971 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
1972 | struct lm93_data *data = dev_get_drvdata(dev); |
1973 | struct i2c_client *client = data->client; | |
e46957ed | 1974 | u8 ctl3, ctl4; |
2804a4cf GR |
1975 | unsigned long val; |
1976 | int err; | |
1977 | ||
1978 | err = kstrtoul(buf, 10, &val); | |
1979 | if (err) | |
1980 | return err; | |
e46957ed HJK |
1981 | |
1982 | mutex_lock(&data->update_lock); | |
2804a4cf GR |
1983 | ctl3 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3)); |
1984 | ctl4 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL4)); | |
1985 | ctl3 = (ctl3 & 0xf0) | LM93_PWM_TO_REG(val, (ctl4 & 0x07) ? | |
e46957ed HJK |
1986 | LM93_PWM_MAP_LO_FREQ : |
1987 | LM93_PWM_MAP_HI_FREQ); | |
1988 | data->block9[nr][LM93_PWM_CTL3] = ctl3; | |
2804a4cf | 1989 | lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3); |
e46957ed HJK |
1990 | mutex_unlock(&data->update_lock); |
1991 | return count; | |
1992 | } | |
1993 | ||
7f9d0581 GR |
1994 | static SENSOR_DEVICE_ATTR_RW(pwm1_auto_spinup_min, pwm_auto_spinup_min, 0); |
1995 | static SENSOR_DEVICE_ATTR_RW(pwm2_auto_spinup_min, pwm_auto_spinup_min, 1); | |
e46957ed | 1996 | |
7f9d0581 GR |
1997 | static ssize_t pwm_auto_spinup_time_show(struct device *dev, |
1998 | struct device_attribute *attr, | |
1999 | char *buf) | |
e46957ed HJK |
2000 | { |
2001 | int nr = (to_sensor_dev_attr(attr))->index; | |
2002 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2003 | return sprintf(buf, "%d\n", LM93_SPINUP_TIME_FROM_REG( |
e46957ed HJK |
2004 | data->block9[nr][LM93_PWM_CTL3])); |
2005 | } | |
2006 | ||
7f9d0581 GR |
2007 | static ssize_t pwm_auto_spinup_time_store(struct device *dev, |
2008 | struct device_attribute *attr, | |
2009 | const char *buf, size_t count) | |
e46957ed HJK |
2010 | { |
2011 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
2012 | struct lm93_data *data = dev_get_drvdata(dev); |
2013 | struct i2c_client *client = data->client; | |
e46957ed | 2014 | u8 ctl3; |
2804a4cf GR |
2015 | unsigned long val; |
2016 | int err; | |
2017 | ||
2018 | err = kstrtoul(buf, 10, &val); | |
2019 | if (err) | |
2020 | return err; | |
e46957ed HJK |
2021 | |
2022 | mutex_lock(&data->update_lock); | |
2804a4cf | 2023 | ctl3 = lm93_read_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3)); |
e46957ed HJK |
2024 | ctl3 = (ctl3 & 0x1f) | (LM93_SPINUP_TIME_TO_REG(val) << 5 & 0xe0); |
2025 | data->block9[nr][LM93_PWM_CTL3] = ctl3; | |
2804a4cf | 2026 | lm93_write_byte(client, LM93_REG_PWM_CTL(nr, LM93_PWM_CTL3), ctl3); |
e46957ed HJK |
2027 | mutex_unlock(&data->update_lock); |
2028 | return count; | |
2029 | } | |
2030 | ||
7f9d0581 GR |
2031 | static SENSOR_DEVICE_ATTR_RW(pwm1_auto_spinup_time, pwm_auto_spinup_time, 0); |
2032 | static SENSOR_DEVICE_ATTR_RW(pwm2_auto_spinup_time, pwm_auto_spinup_time, 1); | |
e46957ed | 2033 | |
ce847a33 | 2034 | static ssize_t pwm_auto_prochot_ramp_show(struct device *dev, |
e46957ed HJK |
2035 | struct device_attribute *attr, char *buf) |
2036 | { | |
2037 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2038 | return sprintf(buf, "%d\n", |
e46957ed HJK |
2039 | LM93_RAMP_FROM_REG(data->pwm_ramp_ctl >> 4 & 0x0f)); |
2040 | } | |
2041 | ||
ce847a33 | 2042 | static ssize_t pwm_auto_prochot_ramp_store(struct device *dev, |
e46957ed HJK |
2043 | struct device_attribute *attr, |
2044 | const char *buf, size_t count) | |
2045 | { | |
6579d589 AL |
2046 | struct lm93_data *data = dev_get_drvdata(dev); |
2047 | struct i2c_client *client = data->client; | |
e46957ed | 2048 | u8 ramp; |
2804a4cf GR |
2049 | unsigned long val; |
2050 | int err; | |
2051 | ||
2052 | err = kstrtoul(buf, 10, &val); | |
2053 | if (err) | |
2054 | return err; | |
e46957ed HJK |
2055 | |
2056 | mutex_lock(&data->update_lock); | |
2057 | ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL); | |
2058 | ramp = (ramp & 0x0f) | (LM93_RAMP_TO_REG(val) << 4 & 0xf0); | |
2059 | lm93_write_byte(client, LM93_REG_PWM_RAMP_CTL, ramp); | |
2060 | mutex_unlock(&data->update_lock); | |
2061 | return count; | |
2062 | } | |
2063 | ||
ce847a33 | 2064 | static DEVICE_ATTR_RW(pwm_auto_prochot_ramp); |
e46957ed | 2065 | |
ce847a33 | 2066 | static ssize_t pwm_auto_vrdhot_ramp_show(struct device *dev, |
e46957ed HJK |
2067 | struct device_attribute *attr, char *buf) |
2068 | { | |
2069 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2070 | return sprintf(buf, "%d\n", |
e46957ed HJK |
2071 | LM93_RAMP_FROM_REG(data->pwm_ramp_ctl & 0x0f)); |
2072 | } | |
2073 | ||
ce847a33 | 2074 | static ssize_t pwm_auto_vrdhot_ramp_store(struct device *dev, |
e46957ed HJK |
2075 | struct device_attribute *attr, |
2076 | const char *buf, size_t count) | |
2077 | { | |
6579d589 AL |
2078 | struct lm93_data *data = dev_get_drvdata(dev); |
2079 | struct i2c_client *client = data->client; | |
e46957ed | 2080 | u8 ramp; |
2804a4cf GR |
2081 | unsigned long val; |
2082 | int err; | |
2083 | ||
2084 | err = kstrtoul(buf, 10, &val); | |
2085 | if (err) | |
2086 | return err; | |
e46957ed HJK |
2087 | |
2088 | mutex_lock(&data->update_lock); | |
2089 | ramp = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL); | |
2090 | ramp = (ramp & 0xf0) | (LM93_RAMP_TO_REG(val) & 0x0f); | |
2091 | lm93_write_byte(client, LM93_REG_PWM_RAMP_CTL, ramp); | |
2092 | mutex_unlock(&data->update_lock); | |
2093 | return 0; | |
2094 | } | |
2095 | ||
ce847a33 | 2096 | static DEVICE_ATTR_RW(pwm_auto_vrdhot_ramp); |
e46957ed | 2097 | |
7f9d0581 | 2098 | static ssize_t vid_show(struct device *dev, struct device_attribute *attr, |
e46957ed HJK |
2099 | char *buf) |
2100 | { | |
2101 | int nr = (to_sensor_dev_attr(attr))->index; | |
2102 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2103 | return sprintf(buf, "%d\n", LM93_VID_FROM_REG(data->vid[nr])); |
e46957ed HJK |
2104 | } |
2105 | ||
7f9d0581 GR |
2106 | static SENSOR_DEVICE_ATTR_RO(cpu0_vid, vid, 0); |
2107 | static SENSOR_DEVICE_ATTR_RO(cpu1_vid, vid, 1); | |
e46957ed | 2108 | |
7f9d0581 GR |
2109 | static ssize_t prochot_show(struct device *dev, struct device_attribute *attr, |
2110 | char *buf) | |
e46957ed HJK |
2111 | { |
2112 | int nr = (to_sensor_dev_attr(attr))->index; | |
2113 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2114 | return sprintf(buf, "%d\n", data->block4[nr].cur); |
e46957ed HJK |
2115 | } |
2116 | ||
7f9d0581 GR |
2117 | static SENSOR_DEVICE_ATTR_RO(prochot1, prochot, 0); |
2118 | static SENSOR_DEVICE_ATTR_RO(prochot2, prochot, 1); | |
e46957ed | 2119 | |
7f9d0581 | 2120 | static ssize_t prochot_avg_show(struct device *dev, |
e46957ed HJK |
2121 | struct device_attribute *attr, char *buf) |
2122 | { | |
2123 | int nr = (to_sensor_dev_attr(attr))->index; | |
2124 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2125 | return sprintf(buf, "%d\n", data->block4[nr].avg); |
e46957ed HJK |
2126 | } |
2127 | ||
7f9d0581 GR |
2128 | static SENSOR_DEVICE_ATTR_RO(prochot1_avg, prochot_avg, 0); |
2129 | static SENSOR_DEVICE_ATTR_RO(prochot2_avg, prochot_avg, 1); | |
e46957ed | 2130 | |
7f9d0581 | 2131 | static ssize_t prochot_max_show(struct device *dev, |
e46957ed HJK |
2132 | struct device_attribute *attr, char *buf) |
2133 | { | |
2134 | int nr = (to_sensor_dev_attr(attr))->index; | |
2135 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2136 | return sprintf(buf, "%d\n", data->prochot_max[nr]); |
e46957ed HJK |
2137 | } |
2138 | ||
7f9d0581 GR |
2139 | static ssize_t prochot_max_store(struct device *dev, |
2140 | struct device_attribute *attr, | |
2141 | const char *buf, size_t count) | |
e46957ed HJK |
2142 | { |
2143 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
2144 | struct lm93_data *data = dev_get_drvdata(dev); |
2145 | struct i2c_client *client = data->client; | |
2804a4cf GR |
2146 | unsigned long val; |
2147 | int err; | |
2148 | ||
2149 | err = kstrtoul(buf, 10, &val); | |
2150 | if (err) | |
2151 | return err; | |
e46957ed HJK |
2152 | |
2153 | mutex_lock(&data->update_lock); | |
2154 | data->prochot_max[nr] = LM93_PROCHOT_TO_REG(val); | |
2155 | lm93_write_byte(client, LM93_REG_PROCHOT_MAX(nr), | |
2156 | data->prochot_max[nr]); | |
2157 | mutex_unlock(&data->update_lock); | |
2158 | return count; | |
2159 | } | |
2160 | ||
7f9d0581 GR |
2161 | static SENSOR_DEVICE_ATTR_RW(prochot1_max, prochot_max, 0); |
2162 | static SENSOR_DEVICE_ATTR_RW(prochot2_max, prochot_max, 1); | |
e46957ed HJK |
2163 | |
2164 | static const u8 prochot_override_mask[] = { 0x80, 0x40 }; | |
2165 | ||
7f9d0581 GR |
2166 | static ssize_t prochot_override_show(struct device *dev, |
2167 | struct device_attribute *attr, char *buf) | |
e46957ed HJK |
2168 | { |
2169 | int nr = (to_sensor_dev_attr(attr))->index; | |
2170 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2171 | return sprintf(buf, "%d\n", |
e46957ed HJK |
2172 | (data->prochot_override & prochot_override_mask[nr]) ? 1 : 0); |
2173 | } | |
2174 | ||
7f9d0581 GR |
2175 | static ssize_t prochot_override_store(struct device *dev, |
2176 | struct device_attribute *attr, | |
2177 | const char *buf, size_t count) | |
e46957ed HJK |
2178 | { |
2179 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
2180 | struct lm93_data *data = dev_get_drvdata(dev); |
2181 | struct i2c_client *client = data->client; | |
2804a4cf GR |
2182 | unsigned long val; |
2183 | int err; | |
2184 | ||
2185 | err = kstrtoul(buf, 10, &val); | |
2186 | if (err) | |
2187 | return err; | |
e46957ed HJK |
2188 | |
2189 | mutex_lock(&data->update_lock); | |
2190 | if (val) | |
2191 | data->prochot_override |= prochot_override_mask[nr]; | |
2192 | else | |
2193 | data->prochot_override &= (~prochot_override_mask[nr]); | |
2194 | lm93_write_byte(client, LM93_REG_PROCHOT_OVERRIDE, | |
2195 | data->prochot_override); | |
2196 | mutex_unlock(&data->update_lock); | |
2197 | return count; | |
2198 | } | |
2199 | ||
7f9d0581 GR |
2200 | static SENSOR_DEVICE_ATTR_RW(prochot1_override, prochot_override, 0); |
2201 | static SENSOR_DEVICE_ATTR_RW(prochot2_override, prochot_override, 1); | |
e46957ed | 2202 | |
7f9d0581 GR |
2203 | static ssize_t prochot_interval_show(struct device *dev, |
2204 | struct device_attribute *attr, char *buf) | |
e46957ed HJK |
2205 | { |
2206 | int nr = (to_sensor_dev_attr(attr))->index; | |
2207 | struct lm93_data *data = lm93_update_device(dev); | |
2208 | u8 tmp; | |
2804a4cf | 2209 | if (nr == 1) |
e46957ed HJK |
2210 | tmp = (data->prochot_interval & 0xf0) >> 4; |
2211 | else | |
2212 | tmp = data->prochot_interval & 0x0f; | |
2804a4cf | 2213 | return sprintf(buf, "%d\n", LM93_INTERVAL_FROM_REG(tmp)); |
e46957ed HJK |
2214 | } |
2215 | ||
7f9d0581 GR |
2216 | static ssize_t prochot_interval_store(struct device *dev, |
2217 | struct device_attribute *attr, | |
2218 | const char *buf, size_t count) | |
e46957ed HJK |
2219 | { |
2220 | int nr = (to_sensor_dev_attr(attr))->index; | |
6579d589 AL |
2221 | struct lm93_data *data = dev_get_drvdata(dev); |
2222 | struct i2c_client *client = data->client; | |
e46957ed | 2223 | u8 tmp; |
2804a4cf GR |
2224 | unsigned long val; |
2225 | int err; | |
2226 | ||
2227 | err = kstrtoul(buf, 10, &val); | |
2228 | if (err) | |
2229 | return err; | |
e46957ed HJK |
2230 | |
2231 | mutex_lock(&data->update_lock); | |
2232 | tmp = lm93_read_byte(client, LM93_REG_PROCHOT_INTERVAL); | |
2804a4cf | 2233 | if (nr == 1) |
e46957ed HJK |
2234 | tmp = (tmp & 0x0f) | (LM93_INTERVAL_TO_REG(val) << 4); |
2235 | else | |
2236 | tmp = (tmp & 0xf0) | LM93_INTERVAL_TO_REG(val); | |
2237 | data->prochot_interval = tmp; | |
2238 | lm93_write_byte(client, LM93_REG_PROCHOT_INTERVAL, tmp); | |
2239 | mutex_unlock(&data->update_lock); | |
2240 | return count; | |
2241 | } | |
2242 | ||
7f9d0581 GR |
2243 | static SENSOR_DEVICE_ATTR_RW(prochot1_interval, prochot_interval, 0); |
2244 | static SENSOR_DEVICE_ATTR_RW(prochot2_interval, prochot_interval, 1); | |
e46957ed | 2245 | |
ce847a33 | 2246 | static ssize_t prochot_override_duty_cycle_show(struct device *dev, |
e46957ed HJK |
2247 | struct device_attribute *attr, |
2248 | char *buf) | |
2249 | { | |
2250 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2251 | return sprintf(buf, "%d\n", data->prochot_override & 0x0f); |
e46957ed HJK |
2252 | } |
2253 | ||
ce847a33 | 2254 | static ssize_t prochot_override_duty_cycle_store(struct device *dev, |
e46957ed HJK |
2255 | struct device_attribute *attr, |
2256 | const char *buf, size_t count) | |
2257 | { | |
6579d589 AL |
2258 | struct lm93_data *data = dev_get_drvdata(dev); |
2259 | struct i2c_client *client = data->client; | |
2804a4cf GR |
2260 | unsigned long val; |
2261 | int err; | |
2262 | ||
2263 | err = kstrtoul(buf, 10, &val); | |
2264 | if (err) | |
2265 | return err; | |
e46957ed HJK |
2266 | |
2267 | mutex_lock(&data->update_lock); | |
2268 | data->prochot_override = (data->prochot_override & 0xf0) | | |
2a844c14 | 2269 | clamp_val(val, 0, 15); |
e46957ed HJK |
2270 | lm93_write_byte(client, LM93_REG_PROCHOT_OVERRIDE, |
2271 | data->prochot_override); | |
2272 | mutex_unlock(&data->update_lock); | |
2273 | return count; | |
2274 | } | |
2275 | ||
ce847a33 | 2276 | static DEVICE_ATTR_RW(prochot_override_duty_cycle); |
e46957ed | 2277 | |
ce847a33 | 2278 | static ssize_t prochot_short_show(struct device *dev, |
e46957ed HJK |
2279 | struct device_attribute *attr, char *buf) |
2280 | { | |
2281 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2282 | return sprintf(buf, "%d\n", (data->config & 0x10) ? 1 : 0); |
e46957ed HJK |
2283 | } |
2284 | ||
ce847a33 | 2285 | static ssize_t prochot_short_store(struct device *dev, |
e46957ed HJK |
2286 | struct device_attribute *attr, |
2287 | const char *buf, size_t count) | |
2288 | { | |
6579d589 AL |
2289 | struct lm93_data *data = dev_get_drvdata(dev); |
2290 | struct i2c_client *client = data->client; | |
2804a4cf GR |
2291 | unsigned long val; |
2292 | int err; | |
2293 | ||
2294 | err = kstrtoul(buf, 10, &val); | |
2295 | if (err) | |
2296 | return err; | |
e46957ed HJK |
2297 | |
2298 | mutex_lock(&data->update_lock); | |
2299 | if (val) | |
2300 | data->config |= 0x10; | |
2301 | else | |
2302 | data->config &= ~0x10; | |
2303 | lm93_write_byte(client, LM93_REG_CONFIG, data->config); | |
2304 | mutex_unlock(&data->update_lock); | |
2305 | return count; | |
2306 | } | |
2307 | ||
ce847a33 | 2308 | static DEVICE_ATTR_RW(prochot_short); |
e46957ed | 2309 | |
7f9d0581 GR |
2310 | static ssize_t vrdhot_show(struct device *dev, struct device_attribute *attr, |
2311 | char *buf) | |
e46957ed HJK |
2312 | { |
2313 | int nr = (to_sensor_dev_attr(attr))->index; | |
2314 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf GR |
2315 | return sprintf(buf, "%d\n", |
2316 | data->block1.host_status_1 & (1 << (nr + 4)) ? 1 : 0); | |
e46957ed HJK |
2317 | } |
2318 | ||
7f9d0581 GR |
2319 | static SENSOR_DEVICE_ATTR_RO(vrdhot1, vrdhot, 0); |
2320 | static SENSOR_DEVICE_ATTR_RO(vrdhot2, vrdhot, 1); | |
e46957ed | 2321 | |
ce847a33 | 2322 | static ssize_t gpio_show(struct device *dev, struct device_attribute *attr, |
e46957ed HJK |
2323 | char *buf) |
2324 | { | |
2325 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2326 | return sprintf(buf, "%d\n", LM93_GPI_FROM_REG(data->gpi)); |
e46957ed HJK |
2327 | } |
2328 | ||
ce847a33 | 2329 | static DEVICE_ATTR_RO(gpio); |
e46957ed | 2330 | |
ce847a33 | 2331 | static ssize_t alarms_show(struct device *dev, struct device_attribute *attr, |
e46957ed HJK |
2332 | char *buf) |
2333 | { | |
2334 | struct lm93_data *data = lm93_update_device(dev); | |
2804a4cf | 2335 | return sprintf(buf, "%d\n", LM93_ALARMS_FROM_REG(data->block1)); |
e46957ed HJK |
2336 | } |
2337 | ||
ce847a33 | 2338 | static DEVICE_ATTR_RO(alarms); |
e46957ed HJK |
2339 | |
2340 | static struct attribute *lm93_attrs[] = { | |
2341 | &sensor_dev_attr_in1_input.dev_attr.attr, | |
2342 | &sensor_dev_attr_in2_input.dev_attr.attr, | |
2343 | &sensor_dev_attr_in3_input.dev_attr.attr, | |
2344 | &sensor_dev_attr_in4_input.dev_attr.attr, | |
2345 | &sensor_dev_attr_in5_input.dev_attr.attr, | |
2346 | &sensor_dev_attr_in6_input.dev_attr.attr, | |
2347 | &sensor_dev_attr_in7_input.dev_attr.attr, | |
2348 | &sensor_dev_attr_in8_input.dev_attr.attr, | |
2349 | &sensor_dev_attr_in9_input.dev_attr.attr, | |
2350 | &sensor_dev_attr_in10_input.dev_attr.attr, | |
2351 | &sensor_dev_attr_in11_input.dev_attr.attr, | |
2352 | &sensor_dev_attr_in12_input.dev_attr.attr, | |
2353 | &sensor_dev_attr_in13_input.dev_attr.attr, | |
2354 | &sensor_dev_attr_in14_input.dev_attr.attr, | |
2355 | &sensor_dev_attr_in15_input.dev_attr.attr, | |
2356 | &sensor_dev_attr_in16_input.dev_attr.attr, | |
2357 | &sensor_dev_attr_in1_min.dev_attr.attr, | |
2358 | &sensor_dev_attr_in2_min.dev_attr.attr, | |
2359 | &sensor_dev_attr_in3_min.dev_attr.attr, | |
2360 | &sensor_dev_attr_in4_min.dev_attr.attr, | |
2361 | &sensor_dev_attr_in5_min.dev_attr.attr, | |
2362 | &sensor_dev_attr_in6_min.dev_attr.attr, | |
2363 | &sensor_dev_attr_in7_min.dev_attr.attr, | |
2364 | &sensor_dev_attr_in8_min.dev_attr.attr, | |
2365 | &sensor_dev_attr_in9_min.dev_attr.attr, | |
2366 | &sensor_dev_attr_in10_min.dev_attr.attr, | |
2367 | &sensor_dev_attr_in11_min.dev_attr.attr, | |
2368 | &sensor_dev_attr_in12_min.dev_attr.attr, | |
2369 | &sensor_dev_attr_in13_min.dev_attr.attr, | |
2370 | &sensor_dev_attr_in14_min.dev_attr.attr, | |
2371 | &sensor_dev_attr_in15_min.dev_attr.attr, | |
2372 | &sensor_dev_attr_in16_min.dev_attr.attr, | |
2373 | &sensor_dev_attr_in1_max.dev_attr.attr, | |
2374 | &sensor_dev_attr_in2_max.dev_attr.attr, | |
2375 | &sensor_dev_attr_in3_max.dev_attr.attr, | |
2376 | &sensor_dev_attr_in4_max.dev_attr.attr, | |
2377 | &sensor_dev_attr_in5_max.dev_attr.attr, | |
2378 | &sensor_dev_attr_in6_max.dev_attr.attr, | |
2379 | &sensor_dev_attr_in7_max.dev_attr.attr, | |
2380 | &sensor_dev_attr_in8_max.dev_attr.attr, | |
2381 | &sensor_dev_attr_in9_max.dev_attr.attr, | |
2382 | &sensor_dev_attr_in10_max.dev_attr.attr, | |
2383 | &sensor_dev_attr_in11_max.dev_attr.attr, | |
2384 | &sensor_dev_attr_in12_max.dev_attr.attr, | |
2385 | &sensor_dev_attr_in13_max.dev_attr.attr, | |
2386 | &sensor_dev_attr_in14_max.dev_attr.attr, | |
2387 | &sensor_dev_attr_in15_max.dev_attr.attr, | |
2388 | &sensor_dev_attr_in16_max.dev_attr.attr, | |
2389 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
2390 | &sensor_dev_attr_temp2_input.dev_attr.attr, | |
2391 | &sensor_dev_attr_temp3_input.dev_attr.attr, | |
2392 | &sensor_dev_attr_temp1_min.dev_attr.attr, | |
2393 | &sensor_dev_attr_temp2_min.dev_attr.attr, | |
2394 | &sensor_dev_attr_temp3_min.dev_attr.attr, | |
2395 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
2396 | &sensor_dev_attr_temp2_max.dev_attr.attr, | |
2397 | &sensor_dev_attr_temp3_max.dev_attr.attr, | |
2398 | &sensor_dev_attr_temp1_auto_base.dev_attr.attr, | |
2399 | &sensor_dev_attr_temp2_auto_base.dev_attr.attr, | |
2400 | &sensor_dev_attr_temp3_auto_base.dev_attr.attr, | |
2401 | &sensor_dev_attr_temp1_auto_boost.dev_attr.attr, | |
2402 | &sensor_dev_attr_temp2_auto_boost.dev_attr.attr, | |
2403 | &sensor_dev_attr_temp3_auto_boost.dev_attr.attr, | |
2404 | &sensor_dev_attr_temp1_auto_boost_hyst.dev_attr.attr, | |
2405 | &sensor_dev_attr_temp2_auto_boost_hyst.dev_attr.attr, | |
2406 | &sensor_dev_attr_temp3_auto_boost_hyst.dev_attr.attr, | |
2407 | &sensor_dev_attr_temp1_auto_offset1.dev_attr.attr, | |
2408 | &sensor_dev_attr_temp1_auto_offset2.dev_attr.attr, | |
2409 | &sensor_dev_attr_temp1_auto_offset3.dev_attr.attr, | |
2410 | &sensor_dev_attr_temp1_auto_offset4.dev_attr.attr, | |
2411 | &sensor_dev_attr_temp1_auto_offset5.dev_attr.attr, | |
2412 | &sensor_dev_attr_temp1_auto_offset6.dev_attr.attr, | |
2413 | &sensor_dev_attr_temp1_auto_offset7.dev_attr.attr, | |
2414 | &sensor_dev_attr_temp1_auto_offset8.dev_attr.attr, | |
2415 | &sensor_dev_attr_temp1_auto_offset9.dev_attr.attr, | |
2416 | &sensor_dev_attr_temp1_auto_offset10.dev_attr.attr, | |
2417 | &sensor_dev_attr_temp1_auto_offset11.dev_attr.attr, | |
2418 | &sensor_dev_attr_temp1_auto_offset12.dev_attr.attr, | |
2419 | &sensor_dev_attr_temp2_auto_offset1.dev_attr.attr, | |
2420 | &sensor_dev_attr_temp2_auto_offset2.dev_attr.attr, | |
2421 | &sensor_dev_attr_temp2_auto_offset3.dev_attr.attr, | |
2422 | &sensor_dev_attr_temp2_auto_offset4.dev_attr.attr, | |
2423 | &sensor_dev_attr_temp2_auto_offset5.dev_attr.attr, | |
2424 | &sensor_dev_attr_temp2_auto_offset6.dev_attr.attr, | |
2425 | &sensor_dev_attr_temp2_auto_offset7.dev_attr.attr, | |
2426 | &sensor_dev_attr_temp2_auto_offset8.dev_attr.attr, | |
2427 | &sensor_dev_attr_temp2_auto_offset9.dev_attr.attr, | |
2428 | &sensor_dev_attr_temp2_auto_offset10.dev_attr.attr, | |
2429 | &sensor_dev_attr_temp2_auto_offset11.dev_attr.attr, | |
2430 | &sensor_dev_attr_temp2_auto_offset12.dev_attr.attr, | |
2431 | &sensor_dev_attr_temp3_auto_offset1.dev_attr.attr, | |
2432 | &sensor_dev_attr_temp3_auto_offset2.dev_attr.attr, | |
2433 | &sensor_dev_attr_temp3_auto_offset3.dev_attr.attr, | |
2434 | &sensor_dev_attr_temp3_auto_offset4.dev_attr.attr, | |
2435 | &sensor_dev_attr_temp3_auto_offset5.dev_attr.attr, | |
2436 | &sensor_dev_attr_temp3_auto_offset6.dev_attr.attr, | |
2437 | &sensor_dev_attr_temp3_auto_offset7.dev_attr.attr, | |
2438 | &sensor_dev_attr_temp3_auto_offset8.dev_attr.attr, | |
2439 | &sensor_dev_attr_temp3_auto_offset9.dev_attr.attr, | |
2440 | &sensor_dev_attr_temp3_auto_offset10.dev_attr.attr, | |
2441 | &sensor_dev_attr_temp3_auto_offset11.dev_attr.attr, | |
2442 | &sensor_dev_attr_temp3_auto_offset12.dev_attr.attr, | |
2443 | &sensor_dev_attr_temp1_auto_pwm_min.dev_attr.attr, | |
2444 | &sensor_dev_attr_temp2_auto_pwm_min.dev_attr.attr, | |
2445 | &sensor_dev_attr_temp3_auto_pwm_min.dev_attr.attr, | |
2446 | &sensor_dev_attr_temp1_auto_offset_hyst.dev_attr.attr, | |
2447 | &sensor_dev_attr_temp2_auto_offset_hyst.dev_attr.attr, | |
2448 | &sensor_dev_attr_temp3_auto_offset_hyst.dev_attr.attr, | |
2449 | &sensor_dev_attr_fan1_input.dev_attr.attr, | |
2450 | &sensor_dev_attr_fan2_input.dev_attr.attr, | |
2451 | &sensor_dev_attr_fan3_input.dev_attr.attr, | |
2452 | &sensor_dev_attr_fan4_input.dev_attr.attr, | |
2453 | &sensor_dev_attr_fan1_min.dev_attr.attr, | |
2454 | &sensor_dev_attr_fan2_min.dev_attr.attr, | |
2455 | &sensor_dev_attr_fan3_min.dev_attr.attr, | |
2456 | &sensor_dev_attr_fan4_min.dev_attr.attr, | |
2457 | &sensor_dev_attr_fan1_smart_tach.dev_attr.attr, | |
2458 | &sensor_dev_attr_fan2_smart_tach.dev_attr.attr, | |
2459 | &sensor_dev_attr_fan3_smart_tach.dev_attr.attr, | |
2460 | &sensor_dev_attr_fan4_smart_tach.dev_attr.attr, | |
2461 | &sensor_dev_attr_pwm1.dev_attr.attr, | |
2462 | &sensor_dev_attr_pwm2.dev_attr.attr, | |
2463 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, | |
2464 | &sensor_dev_attr_pwm2_enable.dev_attr.attr, | |
2465 | &sensor_dev_attr_pwm1_freq.dev_attr.attr, | |
2466 | &sensor_dev_attr_pwm2_freq.dev_attr.attr, | |
2467 | &sensor_dev_attr_pwm1_auto_channels.dev_attr.attr, | |
2468 | &sensor_dev_attr_pwm2_auto_channels.dev_attr.attr, | |
2469 | &sensor_dev_attr_pwm1_auto_spinup_min.dev_attr.attr, | |
2470 | &sensor_dev_attr_pwm2_auto_spinup_min.dev_attr.attr, | |
2471 | &sensor_dev_attr_pwm1_auto_spinup_time.dev_attr.attr, | |
2472 | &sensor_dev_attr_pwm2_auto_spinup_time.dev_attr.attr, | |
2473 | &dev_attr_pwm_auto_prochot_ramp.attr, | |
2474 | &dev_attr_pwm_auto_vrdhot_ramp.attr, | |
e7f62303 JD |
2475 | &sensor_dev_attr_cpu0_vid.dev_attr.attr, |
2476 | &sensor_dev_attr_cpu1_vid.dev_attr.attr, | |
e46957ed HJK |
2477 | &sensor_dev_attr_prochot1.dev_attr.attr, |
2478 | &sensor_dev_attr_prochot2.dev_attr.attr, | |
2479 | &sensor_dev_attr_prochot1_avg.dev_attr.attr, | |
2480 | &sensor_dev_attr_prochot2_avg.dev_attr.attr, | |
2481 | &sensor_dev_attr_prochot1_max.dev_attr.attr, | |
2482 | &sensor_dev_attr_prochot2_max.dev_attr.attr, | |
2483 | &sensor_dev_attr_prochot1_override.dev_attr.attr, | |
2484 | &sensor_dev_attr_prochot2_override.dev_attr.attr, | |
2485 | &sensor_dev_attr_prochot1_interval.dev_attr.attr, | |
2486 | &sensor_dev_attr_prochot2_interval.dev_attr.attr, | |
2487 | &dev_attr_prochot_override_duty_cycle.attr, | |
2488 | &dev_attr_prochot_short.attr, | |
2489 | &sensor_dev_attr_vrdhot1.dev_attr.attr, | |
2490 | &sensor_dev_attr_vrdhot2.dev_attr.attr, | |
2491 | &dev_attr_gpio.attr, | |
2492 | &dev_attr_alarms.attr, | |
2493 | NULL | |
2494 | }; | |
2495 | ||
6579d589 | 2496 | ATTRIBUTE_GROUPS(lm93); |
e46957ed HJK |
2497 | |
2498 | static void lm93_init_client(struct i2c_client *client) | |
2499 | { | |
2500 | int i; | |
2501 | u8 reg; | |
2502 | ||
2503 | /* configure VID pin input thresholds */ | |
2504 | reg = lm93_read_byte(client, LM93_REG_GPI_VID_CTL); | |
2505 | lm93_write_byte(client, LM93_REG_GPI_VID_CTL, | |
2506 | reg | (vid_agtl ? 0x03 : 0x00)); | |
2507 | ||
2508 | if (init) { | |
2509 | /* enable #ALERT pin */ | |
2510 | reg = lm93_read_byte(client, LM93_REG_CONFIG); | |
2511 | lm93_write_byte(client, LM93_REG_CONFIG, reg | 0x08); | |
2512 | ||
2513 | /* enable ASF mode for BMC status registers */ | |
2514 | reg = lm93_read_byte(client, LM93_REG_STATUS_CONTROL); | |
2515 | lm93_write_byte(client, LM93_REG_STATUS_CONTROL, reg | 0x02); | |
2516 | ||
2517 | /* set sleep state to S0 */ | |
2518 | lm93_write_byte(client, LM93_REG_SLEEP_CONTROL, 0); | |
2519 | ||
2520 | /* unmask #VRDHOT and dynamic VCCP (if nec) error events */ | |
2521 | reg = lm93_read_byte(client, LM93_REG_MISC_ERR_MASK); | |
2522 | reg &= ~0x03; | |
2523 | reg &= ~(vccp_limit_type[0] ? 0x10 : 0); | |
2524 | reg &= ~(vccp_limit_type[1] ? 0x20 : 0); | |
2525 | lm93_write_byte(client, LM93_REG_MISC_ERR_MASK, reg); | |
2526 | } | |
2527 | ||
2528 | /* start monitoring */ | |
2529 | reg = lm93_read_byte(client, LM93_REG_CONFIG); | |
2530 | lm93_write_byte(client, LM93_REG_CONFIG, reg | 0x01); | |
2531 | ||
2532 | /* spin until ready */ | |
2804a4cf | 2533 | for (i = 0; i < 20; i++) { |
e46957ed HJK |
2534 | msleep(10); |
2535 | if ((lm93_read_byte(client, LM93_REG_CONFIG) & 0x80) == 0x80) | |
2536 | return; | |
2537 | } | |
2538 | ||
b55f3757 GR |
2539 | dev_warn(&client->dev, |
2540 | "timed out waiting for sensor chip to signal ready!\n"); | |
e46957ed HJK |
2541 | } |
2542 | ||
70b72406 | 2543 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
310ec792 | 2544 | static int lm93_detect(struct i2c_client *client, struct i2c_board_info *info) |
e46957ed | 2545 | { |
70b72406 | 2546 | struct i2c_adapter *adapter = client->adapter; |
52df6440 | 2547 | int mfr, ver; |
c7bf71c5 | 2548 | const char *name; |
e46957ed | 2549 | |
70b72406 JD |
2550 | if (!i2c_check_functionality(adapter, LM93_SMBUS_FUNC_MIN)) |
2551 | return -ENODEV; | |
e46957ed HJK |
2552 | |
2553 | /* detection */ | |
52df6440 JD |
2554 | mfr = lm93_read_byte(client, LM93_REG_MFR_ID); |
2555 | if (mfr != 0x01) { | |
2556 | dev_dbg(&adapter->dev, | |
2557 | "detect failed, bad manufacturer id 0x%02x!\n", mfr); | |
2558 | return -ENODEV; | |
e46957ed HJK |
2559 | } |
2560 | ||
52df6440 | 2561 | ver = lm93_read_byte(client, LM93_REG_VER); |
c7bf71c5 GR |
2562 | switch (ver) { |
2563 | case LM93_MFR_ID: | |
2564 | case LM93_MFR_ID_PROTOTYPE: | |
2565 | name = "lm93"; | |
2566 | break; | |
2567 | case LM94_MFR_ID_2: | |
2568 | case LM94_MFR_ID: | |
2569 | case LM94_MFR_ID_PROTOTYPE: | |
2570 | name = "lm94"; | |
2571 | break; | |
2572 | default: | |
52df6440 JD |
2573 | dev_dbg(&adapter->dev, |
2574 | "detect failed, bad version id 0x%02x!\n", ver); | |
2575 | return -ENODEV; | |
e46957ed HJK |
2576 | } |
2577 | ||
c7bf71c5 | 2578 | strlcpy(info->type, name, I2C_NAME_SIZE); |
2804a4cf | 2579 | dev_dbg(&adapter->dev, "loading %s at %d, 0x%02x\n", |
e46957ed HJK |
2580 | client->name, i2c_adapter_id(client->adapter), |
2581 | client->addr); | |
2582 | ||
70b72406 JD |
2583 | return 0; |
2584 | } | |
2585 | ||
67487038 | 2586 | static int lm93_probe(struct i2c_client *client) |
70b72406 | 2587 | { |
6579d589 | 2588 | struct device *dev = &client->dev; |
70b72406 | 2589 | struct lm93_data *data; |
6579d589 AL |
2590 | struct device *hwmon_dev; |
2591 | int func; | |
70b72406 JD |
2592 | void (*update)(struct lm93_data *, struct i2c_client *); |
2593 | ||
2594 | /* choose update routine based on bus capabilities */ | |
2595 | func = i2c_get_functionality(client->adapter); | |
2596 | if (((LM93_SMBUS_FUNC_FULL & func) == LM93_SMBUS_FUNC_FULL) && | |
2597 | (!disable_block)) { | |
6579d589 | 2598 | dev_dbg(dev, "using SMBus block data transactions\n"); |
70b72406 JD |
2599 | update = lm93_update_client_full; |
2600 | } else if ((LM93_SMBUS_FUNC_MIN & func) == LM93_SMBUS_FUNC_MIN) { | |
6579d589 | 2601 | dev_dbg(dev, "disabled SMBus block data transactions\n"); |
70b72406 JD |
2602 | update = lm93_update_client_min; |
2603 | } else { | |
6579d589 | 2604 | dev_dbg(dev, "detect failed, smbus byte and/or word data not supported!\n"); |
4a8ad25a | 2605 | return -ENODEV; |
70b72406 JD |
2606 | } |
2607 | ||
6579d589 | 2608 | data = devm_kzalloc(dev, sizeof(struct lm93_data), GFP_KERNEL); |
567817de | 2609 | if (!data) |
4a8ad25a | 2610 | return -ENOMEM; |
70b72406 | 2611 | |
e46957ed | 2612 | /* housekeeping */ |
6579d589 | 2613 | data->client = client; |
e46957ed HJK |
2614 | data->update = update; |
2615 | mutex_init(&data->update_lock); | |
2616 | ||
e46957ed HJK |
2617 | /* initialize the chip */ |
2618 | lm93_init_client(client); | |
2619 | ||
6579d589 AL |
2620 | hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, |
2621 | data, | |
2622 | lm93_groups); | |
2623 | return PTR_ERR_OR_ZERO(hwmon_dev); | |
e46957ed HJK |
2624 | } |
2625 | ||
70b72406 | 2626 | static const struct i2c_device_id lm93_id[] = { |
1f86df49 | 2627 | { "lm93", 0 }, |
c7bf71c5 | 2628 | { "lm94", 0 }, |
70b72406 JD |
2629 | { } |
2630 | }; | |
2631 | MODULE_DEVICE_TABLE(i2c, lm93_id); | |
2632 | ||
e46957ed | 2633 | static struct i2c_driver lm93_driver = { |
70b72406 | 2634 | .class = I2C_CLASS_HWMON, |
e46957ed HJK |
2635 | .driver = { |
2636 | .name = "lm93", | |
2637 | }, | |
67487038 | 2638 | .probe_new = lm93_probe, |
70b72406 JD |
2639 | .id_table = lm93_id, |
2640 | .detect = lm93_detect, | |
c3813d6a | 2641 | .address_list = normal_i2c, |
e46957ed HJK |
2642 | }; |
2643 | ||
f0967eea | 2644 | module_i2c_driver(lm93_driver); |
e46957ed HJK |
2645 | |
2646 | MODULE_AUTHOR("Mark M. Hoffman <mhoffman@lightlink.com>, " | |
2aa25c22 | 2647 | "Hans J. Koch <hjk@hansjkoch.de>"); |
e46957ed HJK |
2648 | MODULE_DESCRIPTION("LM93 driver"); |
2649 | MODULE_LICENSE("GPL"); |