xref: /openbmc/linux/drivers/thermal/qcom/tsens.h (revision 2cf1c348)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2015, The Linux Foundation. All rights reserved.
4  */
5 
6 #ifndef __QCOM_TSENS_H__
7 #define __QCOM_TSENS_H__
8 
9 #define ONE_PT_CALIB		0x1
10 #define ONE_PT_CALIB2		0x2
11 #define TWO_PT_CALIB		0x3
12 #define CAL_DEGC_PT1		30
13 #define CAL_DEGC_PT2		120
14 #define SLOPE_FACTOR		1000
15 #define SLOPE_DEFAULT		3200
16 #define TIMEOUT_US		100
17 #define THRESHOLD_MAX_ADC_CODE	0x3ff
18 #define THRESHOLD_MIN_ADC_CODE	0x0
19 
20 #include <linux/interrupt.h>
21 #include <linux/thermal.h>
22 #include <linux/regmap.h>
23 #include <linux/slab.h>
24 
25 struct tsens_priv;
26 
27 /* IP version numbers in ascending order */
28 enum tsens_ver {
29 	VER_0 = 0,
30 	VER_0_1,
31 	VER_1_X,
32 	VER_2_X,
33 };
34 
35 enum tsens_irq_type {
36 	LOWER,
37 	UPPER,
38 	CRITICAL,
39 };
40 
41 /**
42  * struct tsens_sensor - data for each sensor connected to the tsens device
43  * @priv: tsens device instance that this sensor is connected to
44  * @tzd: pointer to the thermal zone that this sensor is in
45  * @offset: offset of temperature adjustment curve
46  * @hw_id: HW ID can be used in case of platform-specific IDs
47  * @slope: slope of temperature adjustment curve
48  * @status: 8960-specific variable to track 8960 and 8660 status register offset
49  */
50 struct tsens_sensor {
51 	struct tsens_priv		*priv;
52 	struct thermal_zone_device	*tzd;
53 	int				offset;
54 	unsigned int			hw_id;
55 	int				slope;
56 	u32				status;
57 };
58 
59 /**
60  * struct tsens_ops - operations as supported by the tsens device
61  * @init: Function to initialize the tsens device
62  * @calibrate: Function to calibrate the tsens device
63  * @get_temp: Function which returns the temp in millidegC
64  * @enable: Function to enable (clocks/power) tsens device
65  * @disable: Function to disable the tsens device
66  * @suspend: Function to suspend the tsens device
67  * @resume: Function to resume the tsens device
68  * @get_trend: Function to get the thermal/temp trend
69  */
70 struct tsens_ops {
71 	/* mandatory callbacks */
72 	int (*init)(struct tsens_priv *priv);
73 	int (*calibrate)(struct tsens_priv *priv);
74 	int (*get_temp)(const struct tsens_sensor *s, int *temp);
75 	/* optional callbacks */
76 	int (*enable)(struct tsens_priv *priv, int i);
77 	void (*disable)(struct tsens_priv *priv);
78 	int (*suspend)(struct tsens_priv *priv);
79 	int (*resume)(struct tsens_priv *priv);
80 	int (*get_trend)(struct tsens_sensor *s, enum thermal_trend *trend);
81 };
82 
83 #define REG_FIELD_FOR_EACH_SENSOR11(_name, _offset, _startbit, _stopbit) \
84 	[_name##_##0]  = REG_FIELD(_offset,      _startbit, _stopbit),	\
85 	[_name##_##1]  = REG_FIELD(_offset +  4, _startbit, _stopbit), \
86 	[_name##_##2]  = REG_FIELD(_offset +  8, _startbit, _stopbit), \
87 	[_name##_##3]  = REG_FIELD(_offset + 12, _startbit, _stopbit), \
88 	[_name##_##4]  = REG_FIELD(_offset + 16, _startbit, _stopbit), \
89 	[_name##_##5]  = REG_FIELD(_offset + 20, _startbit, _stopbit), \
90 	[_name##_##6]  = REG_FIELD(_offset + 24, _startbit, _stopbit), \
91 	[_name##_##7]  = REG_FIELD(_offset + 28, _startbit, _stopbit), \
92 	[_name##_##8]  = REG_FIELD(_offset + 32, _startbit, _stopbit), \
93 	[_name##_##9]  = REG_FIELD(_offset + 36, _startbit, _stopbit), \
94 	[_name##_##10] = REG_FIELD(_offset + 40, _startbit, _stopbit)
95 
96 #define REG_FIELD_FOR_EACH_SENSOR16(_name, _offset, _startbit, _stopbit) \
97 	[_name##_##0]  = REG_FIELD(_offset,      _startbit, _stopbit),	\
98 	[_name##_##1]  = REG_FIELD(_offset +  4, _startbit, _stopbit), \
99 	[_name##_##2]  = REG_FIELD(_offset +  8, _startbit, _stopbit), \
100 	[_name##_##3]  = REG_FIELD(_offset + 12, _startbit, _stopbit), \
101 	[_name##_##4]  = REG_FIELD(_offset + 16, _startbit, _stopbit), \
102 	[_name##_##5]  = REG_FIELD(_offset + 20, _startbit, _stopbit), \
103 	[_name##_##6]  = REG_FIELD(_offset + 24, _startbit, _stopbit), \
104 	[_name##_##7]  = REG_FIELD(_offset + 28, _startbit, _stopbit), \
105 	[_name##_##8]  = REG_FIELD(_offset + 32, _startbit, _stopbit), \
106 	[_name##_##9]  = REG_FIELD(_offset + 36, _startbit, _stopbit), \
107 	[_name##_##10] = REG_FIELD(_offset + 40, _startbit, _stopbit), \
108 	[_name##_##11] = REG_FIELD(_offset + 44, _startbit, _stopbit), \
109 	[_name##_##12] = REG_FIELD(_offset + 48, _startbit, _stopbit), \
110 	[_name##_##13] = REG_FIELD(_offset + 52, _startbit, _stopbit), \
111 	[_name##_##14] = REG_FIELD(_offset + 56, _startbit, _stopbit), \
112 	[_name##_##15] = REG_FIELD(_offset + 60, _startbit, _stopbit)
113 
114 #define REG_FIELD_SPLIT_BITS_0_15(_name, _offset)		\
115 	[_name##_##0]  = REG_FIELD(_offset,  0,  0),		\
116 	[_name##_##1]  = REG_FIELD(_offset,  1,  1),	\
117 	[_name##_##2]  = REG_FIELD(_offset,  2,  2),	\
118 	[_name##_##3]  = REG_FIELD(_offset,  3,  3),	\
119 	[_name##_##4]  = REG_FIELD(_offset,  4,  4),	\
120 	[_name##_##5]  = REG_FIELD(_offset,  5,  5),	\
121 	[_name##_##6]  = REG_FIELD(_offset,  6,  6),	\
122 	[_name##_##7]  = REG_FIELD(_offset,  7,  7),	\
123 	[_name##_##8]  = REG_FIELD(_offset,  8,  8),	\
124 	[_name##_##9]  = REG_FIELD(_offset,  9,  9),	\
125 	[_name##_##10] = REG_FIELD(_offset, 10, 10),	\
126 	[_name##_##11] = REG_FIELD(_offset, 11, 11),	\
127 	[_name##_##12] = REG_FIELD(_offset, 12, 12),	\
128 	[_name##_##13] = REG_FIELD(_offset, 13, 13),	\
129 	[_name##_##14] = REG_FIELD(_offset, 14, 14),	\
130 	[_name##_##15] = REG_FIELD(_offset, 15, 15)
131 
132 #define REG_FIELD_SPLIT_BITS_16_31(_name, _offset)		\
133 	[_name##_##0]  = REG_FIELD(_offset, 16, 16),		\
134 	[_name##_##1]  = REG_FIELD(_offset, 17, 17),	\
135 	[_name##_##2]  = REG_FIELD(_offset, 18, 18),	\
136 	[_name##_##3]  = REG_FIELD(_offset, 19, 19),	\
137 	[_name##_##4]  = REG_FIELD(_offset, 20, 20),	\
138 	[_name##_##5]  = REG_FIELD(_offset, 21, 21),	\
139 	[_name##_##6]  = REG_FIELD(_offset, 22, 22),	\
140 	[_name##_##7]  = REG_FIELD(_offset, 23, 23),	\
141 	[_name##_##8]  = REG_FIELD(_offset, 24, 24),	\
142 	[_name##_##9]  = REG_FIELD(_offset, 25, 25),	\
143 	[_name##_##10] = REG_FIELD(_offset, 26, 26),	\
144 	[_name##_##11] = REG_FIELD(_offset, 27, 27),	\
145 	[_name##_##12] = REG_FIELD(_offset, 28, 28),	\
146 	[_name##_##13] = REG_FIELD(_offset, 29, 29),	\
147 	[_name##_##14] = REG_FIELD(_offset, 30, 30),	\
148 	[_name##_##15] = REG_FIELD(_offset, 31, 31)
149 
150 /*
151  * reg_field IDs to use as an index into an array
152  * If you change the order of the entries, check the devm_regmap_field_alloc()
153  * calls in init_common()
154  */
155 enum regfield_ids {
156 	/* ----- SROT ------ */
157 	/* HW_VER */
158 	VER_MAJOR,
159 	VER_MINOR,
160 	VER_STEP,
161 	/* CTRL_OFFSET */
162 	TSENS_EN,
163 	TSENS_SW_RST,
164 	SENSOR_EN,
165 	CODE_OR_TEMP,
166 
167 	/* ----- TM ------ */
168 	/* TRDY */
169 	TRDY,
170 	/* INTERRUPT ENABLE */
171 	INT_EN,	/* v2+ has separate enables for crit, upper and lower irq */
172 	/* STATUS */
173 	LAST_TEMP_0,	/* Last temperature reading */
174 	LAST_TEMP_1,
175 	LAST_TEMP_2,
176 	LAST_TEMP_3,
177 	LAST_TEMP_4,
178 	LAST_TEMP_5,
179 	LAST_TEMP_6,
180 	LAST_TEMP_7,
181 	LAST_TEMP_8,
182 	LAST_TEMP_9,
183 	LAST_TEMP_10,
184 	LAST_TEMP_11,
185 	LAST_TEMP_12,
186 	LAST_TEMP_13,
187 	LAST_TEMP_14,
188 	LAST_TEMP_15,
189 	VALID_0,		/* VALID reading or not */
190 	VALID_1,
191 	VALID_2,
192 	VALID_3,
193 	VALID_4,
194 	VALID_5,
195 	VALID_6,
196 	VALID_7,
197 	VALID_8,
198 	VALID_9,
199 	VALID_10,
200 	VALID_11,
201 	VALID_12,
202 	VALID_13,
203 	VALID_14,
204 	VALID_15,
205 	LOWER_STATUS_0,	/* LOWER threshold violated */
206 	LOWER_STATUS_1,
207 	LOWER_STATUS_2,
208 	LOWER_STATUS_3,
209 	LOWER_STATUS_4,
210 	LOWER_STATUS_5,
211 	LOWER_STATUS_6,
212 	LOWER_STATUS_7,
213 	LOWER_STATUS_8,
214 	LOWER_STATUS_9,
215 	LOWER_STATUS_10,
216 	LOWER_STATUS_11,
217 	LOWER_STATUS_12,
218 	LOWER_STATUS_13,
219 	LOWER_STATUS_14,
220 	LOWER_STATUS_15,
221 	LOW_INT_STATUS_0,	/* LOWER interrupt status */
222 	LOW_INT_STATUS_1,
223 	LOW_INT_STATUS_2,
224 	LOW_INT_STATUS_3,
225 	LOW_INT_STATUS_4,
226 	LOW_INT_STATUS_5,
227 	LOW_INT_STATUS_6,
228 	LOW_INT_STATUS_7,
229 	LOW_INT_STATUS_8,
230 	LOW_INT_STATUS_9,
231 	LOW_INT_STATUS_10,
232 	LOW_INT_STATUS_11,
233 	LOW_INT_STATUS_12,
234 	LOW_INT_STATUS_13,
235 	LOW_INT_STATUS_14,
236 	LOW_INT_STATUS_15,
237 	LOW_INT_CLEAR_0,	/* LOWER interrupt clear */
238 	LOW_INT_CLEAR_1,
239 	LOW_INT_CLEAR_2,
240 	LOW_INT_CLEAR_3,
241 	LOW_INT_CLEAR_4,
242 	LOW_INT_CLEAR_5,
243 	LOW_INT_CLEAR_6,
244 	LOW_INT_CLEAR_7,
245 	LOW_INT_CLEAR_8,
246 	LOW_INT_CLEAR_9,
247 	LOW_INT_CLEAR_10,
248 	LOW_INT_CLEAR_11,
249 	LOW_INT_CLEAR_12,
250 	LOW_INT_CLEAR_13,
251 	LOW_INT_CLEAR_14,
252 	LOW_INT_CLEAR_15,
253 	LOW_INT_MASK_0,	/* LOWER interrupt mask */
254 	LOW_INT_MASK_1,
255 	LOW_INT_MASK_2,
256 	LOW_INT_MASK_3,
257 	LOW_INT_MASK_4,
258 	LOW_INT_MASK_5,
259 	LOW_INT_MASK_6,
260 	LOW_INT_MASK_7,
261 	LOW_INT_MASK_8,
262 	LOW_INT_MASK_9,
263 	LOW_INT_MASK_10,
264 	LOW_INT_MASK_11,
265 	LOW_INT_MASK_12,
266 	LOW_INT_MASK_13,
267 	LOW_INT_MASK_14,
268 	LOW_INT_MASK_15,
269 	LOW_THRESH_0,		/* LOWER threshold values */
270 	LOW_THRESH_1,
271 	LOW_THRESH_2,
272 	LOW_THRESH_3,
273 	LOW_THRESH_4,
274 	LOW_THRESH_5,
275 	LOW_THRESH_6,
276 	LOW_THRESH_7,
277 	LOW_THRESH_8,
278 	LOW_THRESH_9,
279 	LOW_THRESH_10,
280 	LOW_THRESH_11,
281 	LOW_THRESH_12,
282 	LOW_THRESH_13,
283 	LOW_THRESH_14,
284 	LOW_THRESH_15,
285 	UPPER_STATUS_0,	/* UPPER threshold violated */
286 	UPPER_STATUS_1,
287 	UPPER_STATUS_2,
288 	UPPER_STATUS_3,
289 	UPPER_STATUS_4,
290 	UPPER_STATUS_5,
291 	UPPER_STATUS_6,
292 	UPPER_STATUS_7,
293 	UPPER_STATUS_8,
294 	UPPER_STATUS_9,
295 	UPPER_STATUS_10,
296 	UPPER_STATUS_11,
297 	UPPER_STATUS_12,
298 	UPPER_STATUS_13,
299 	UPPER_STATUS_14,
300 	UPPER_STATUS_15,
301 	UP_INT_STATUS_0,	/* UPPER interrupt status */
302 	UP_INT_STATUS_1,
303 	UP_INT_STATUS_2,
304 	UP_INT_STATUS_3,
305 	UP_INT_STATUS_4,
306 	UP_INT_STATUS_5,
307 	UP_INT_STATUS_6,
308 	UP_INT_STATUS_7,
309 	UP_INT_STATUS_8,
310 	UP_INT_STATUS_9,
311 	UP_INT_STATUS_10,
312 	UP_INT_STATUS_11,
313 	UP_INT_STATUS_12,
314 	UP_INT_STATUS_13,
315 	UP_INT_STATUS_14,
316 	UP_INT_STATUS_15,
317 	UP_INT_CLEAR_0,	/* UPPER interrupt clear */
318 	UP_INT_CLEAR_1,
319 	UP_INT_CLEAR_2,
320 	UP_INT_CLEAR_3,
321 	UP_INT_CLEAR_4,
322 	UP_INT_CLEAR_5,
323 	UP_INT_CLEAR_6,
324 	UP_INT_CLEAR_7,
325 	UP_INT_CLEAR_8,
326 	UP_INT_CLEAR_9,
327 	UP_INT_CLEAR_10,
328 	UP_INT_CLEAR_11,
329 	UP_INT_CLEAR_12,
330 	UP_INT_CLEAR_13,
331 	UP_INT_CLEAR_14,
332 	UP_INT_CLEAR_15,
333 	UP_INT_MASK_0,		/* UPPER interrupt mask */
334 	UP_INT_MASK_1,
335 	UP_INT_MASK_2,
336 	UP_INT_MASK_3,
337 	UP_INT_MASK_4,
338 	UP_INT_MASK_5,
339 	UP_INT_MASK_6,
340 	UP_INT_MASK_7,
341 	UP_INT_MASK_8,
342 	UP_INT_MASK_9,
343 	UP_INT_MASK_10,
344 	UP_INT_MASK_11,
345 	UP_INT_MASK_12,
346 	UP_INT_MASK_13,
347 	UP_INT_MASK_14,
348 	UP_INT_MASK_15,
349 	UP_THRESH_0,		/* UPPER threshold values */
350 	UP_THRESH_1,
351 	UP_THRESH_2,
352 	UP_THRESH_3,
353 	UP_THRESH_4,
354 	UP_THRESH_5,
355 	UP_THRESH_6,
356 	UP_THRESH_7,
357 	UP_THRESH_8,
358 	UP_THRESH_9,
359 	UP_THRESH_10,
360 	UP_THRESH_11,
361 	UP_THRESH_12,
362 	UP_THRESH_13,
363 	UP_THRESH_14,
364 	UP_THRESH_15,
365 	CRITICAL_STATUS_0,	/* CRITICAL threshold violated */
366 	CRITICAL_STATUS_1,
367 	CRITICAL_STATUS_2,
368 	CRITICAL_STATUS_3,
369 	CRITICAL_STATUS_4,
370 	CRITICAL_STATUS_5,
371 	CRITICAL_STATUS_6,
372 	CRITICAL_STATUS_7,
373 	CRITICAL_STATUS_8,
374 	CRITICAL_STATUS_9,
375 	CRITICAL_STATUS_10,
376 	CRITICAL_STATUS_11,
377 	CRITICAL_STATUS_12,
378 	CRITICAL_STATUS_13,
379 	CRITICAL_STATUS_14,
380 	CRITICAL_STATUS_15,
381 	CRIT_INT_STATUS_0,	/* CRITICAL interrupt status */
382 	CRIT_INT_STATUS_1,
383 	CRIT_INT_STATUS_2,
384 	CRIT_INT_STATUS_3,
385 	CRIT_INT_STATUS_4,
386 	CRIT_INT_STATUS_5,
387 	CRIT_INT_STATUS_6,
388 	CRIT_INT_STATUS_7,
389 	CRIT_INT_STATUS_8,
390 	CRIT_INT_STATUS_9,
391 	CRIT_INT_STATUS_10,
392 	CRIT_INT_STATUS_11,
393 	CRIT_INT_STATUS_12,
394 	CRIT_INT_STATUS_13,
395 	CRIT_INT_STATUS_14,
396 	CRIT_INT_STATUS_15,
397 	CRIT_INT_CLEAR_0,	/* CRITICAL interrupt clear */
398 	CRIT_INT_CLEAR_1,
399 	CRIT_INT_CLEAR_2,
400 	CRIT_INT_CLEAR_3,
401 	CRIT_INT_CLEAR_4,
402 	CRIT_INT_CLEAR_5,
403 	CRIT_INT_CLEAR_6,
404 	CRIT_INT_CLEAR_7,
405 	CRIT_INT_CLEAR_8,
406 	CRIT_INT_CLEAR_9,
407 	CRIT_INT_CLEAR_10,
408 	CRIT_INT_CLEAR_11,
409 	CRIT_INT_CLEAR_12,
410 	CRIT_INT_CLEAR_13,
411 	CRIT_INT_CLEAR_14,
412 	CRIT_INT_CLEAR_15,
413 	CRIT_INT_MASK_0,	/* CRITICAL interrupt mask */
414 	CRIT_INT_MASK_1,
415 	CRIT_INT_MASK_2,
416 	CRIT_INT_MASK_3,
417 	CRIT_INT_MASK_4,
418 	CRIT_INT_MASK_5,
419 	CRIT_INT_MASK_6,
420 	CRIT_INT_MASK_7,
421 	CRIT_INT_MASK_8,
422 	CRIT_INT_MASK_9,
423 	CRIT_INT_MASK_10,
424 	CRIT_INT_MASK_11,
425 	CRIT_INT_MASK_12,
426 	CRIT_INT_MASK_13,
427 	CRIT_INT_MASK_14,
428 	CRIT_INT_MASK_15,
429 	CRIT_THRESH_0,		/* CRITICAL threshold values */
430 	CRIT_THRESH_1,
431 	CRIT_THRESH_2,
432 	CRIT_THRESH_3,
433 	CRIT_THRESH_4,
434 	CRIT_THRESH_5,
435 	CRIT_THRESH_6,
436 	CRIT_THRESH_7,
437 	CRIT_THRESH_8,
438 	CRIT_THRESH_9,
439 	CRIT_THRESH_10,
440 	CRIT_THRESH_11,
441 	CRIT_THRESH_12,
442 	CRIT_THRESH_13,
443 	CRIT_THRESH_14,
444 	CRIT_THRESH_15,
445 
446 	/* WATCHDOG */
447 	WDOG_BARK_STATUS,
448 	WDOG_BARK_CLEAR,
449 	WDOG_BARK_MASK,
450 	WDOG_BARK_COUNT,
451 
452 	/* CYCLE COMPLETION MONITOR */
453 	CC_MON_STATUS,
454 	CC_MON_CLEAR,
455 	CC_MON_MASK,
456 
457 	MIN_STATUS_0,		/* MIN threshold violated */
458 	MIN_STATUS_1,
459 	MIN_STATUS_2,
460 	MIN_STATUS_3,
461 	MIN_STATUS_4,
462 	MIN_STATUS_5,
463 	MIN_STATUS_6,
464 	MIN_STATUS_7,
465 	MIN_STATUS_8,
466 	MIN_STATUS_9,
467 	MIN_STATUS_10,
468 	MIN_STATUS_11,
469 	MIN_STATUS_12,
470 	MIN_STATUS_13,
471 	MIN_STATUS_14,
472 	MIN_STATUS_15,
473 	MAX_STATUS_0,		/* MAX threshold violated */
474 	MAX_STATUS_1,
475 	MAX_STATUS_2,
476 	MAX_STATUS_3,
477 	MAX_STATUS_4,
478 	MAX_STATUS_5,
479 	MAX_STATUS_6,
480 	MAX_STATUS_7,
481 	MAX_STATUS_8,
482 	MAX_STATUS_9,
483 	MAX_STATUS_10,
484 	MAX_STATUS_11,
485 	MAX_STATUS_12,
486 	MAX_STATUS_13,
487 	MAX_STATUS_14,
488 	MAX_STATUS_15,
489 
490 	/* Keep last */
491 	MAX_REGFIELDS
492 };
493 
494 /**
495  * struct tsens_features - Features supported by the IP
496  * @ver_major: Major number of IP version
497  * @crit_int: does the IP support critical interrupts?
498  * @adc:      do the sensors only output adc code (instead of temperature)?
499  * @srot_split: does the IP neatly splits the register space into SROT and TM,
500  *              with SROT only being available to secure boot firmware?
501  * @has_watchdog: does this IP support watchdog functionality?
502  * @max_sensors: maximum sensors supported by this version of the IP
503  */
504 struct tsens_features {
505 	unsigned int ver_major;
506 	unsigned int crit_int:1;
507 	unsigned int adc:1;
508 	unsigned int srot_split:1;
509 	unsigned int has_watchdog:1;
510 	unsigned int max_sensors;
511 };
512 
513 /**
514  * struct tsens_plat_data - tsens compile-time platform data
515  * @num_sensors: Number of sensors supported by platform
516  * @ops: operations the tsens instance supports
517  * @hw_ids: Subset of sensors ids supported by platform, if not the first n
518  * @feat: features of the IP
519  * @fields: bitfield locations
520  */
521 struct tsens_plat_data {
522 	const u32		num_sensors;
523 	const struct tsens_ops	*ops;
524 	unsigned int		*hw_ids;
525 	struct tsens_features	*feat;
526 	const struct reg_field		*fields;
527 };
528 
529 /**
530  * struct tsens_context - Registers to be saved/restored across a context loss
531  * @threshold: Threshold register value
532  * @control: Control register value
533  */
534 struct tsens_context {
535 	int	threshold;
536 	int	control;
537 };
538 
539 /**
540  * struct tsens_priv - private data for each instance of the tsens IP
541  * @dev: pointer to struct device
542  * @num_sensors: number of sensors enabled on this device
543  * @tm_map: pointer to TM register address space
544  * @srot_map: pointer to SROT register address space
545  * @tm_offset: deal with old device trees that don't address TM and SROT
546  *             address space separately
547  * @ul_lock: lock while processing upper/lower threshold interrupts
548  * @crit_lock: lock while processing critical threshold interrupts
549  * @rf: array of regmap_fields used to store value of the field
550  * @ctx: registers to be saved and restored during suspend/resume
551  * @feat: features of the IP
552  * @fields: bitfield locations
553  * @ops: pointer to list of callbacks supported by this device
554  * @debug_root: pointer to debugfs dentry for all tsens
555  * @debug: pointer to debugfs dentry for tsens controller
556  * @sensor: list of sensors attached to this device
557  */
558 struct tsens_priv {
559 	struct device			*dev;
560 	u32				num_sensors;
561 	struct regmap			*tm_map;
562 	struct regmap			*srot_map;
563 	u32				tm_offset;
564 
565 	/* lock for upper/lower threshold interrupts */
566 	spinlock_t			ul_lock;
567 
568 	struct regmap_field		*rf[MAX_REGFIELDS];
569 	struct tsens_context		ctx;
570 	struct tsens_features		*feat;
571 	const struct reg_field		*fields;
572 	const struct tsens_ops		*ops;
573 
574 	struct dentry			*debug_root;
575 	struct dentry			*debug;
576 
577 	struct tsens_sensor		sensor[];
578 };
579 
580 char *qfprom_read(struct device *dev, const char *cname);
581 void compute_intercept_slope(struct tsens_priv *priv, u32 *pt1, u32 *pt2, u32 mode);
582 int init_common(struct tsens_priv *priv);
583 int get_temp_tsens_valid(const struct tsens_sensor *s, int *temp);
584 int get_temp_common(const struct tsens_sensor *s, int *temp);
585 
586 /* TSENS target */
587 extern struct tsens_plat_data data_8960;
588 
589 /* TSENS v0.1 targets */
590 extern struct tsens_plat_data data_8916, data_8939, data_8974, data_9607;
591 
592 /* TSENS v1 targets */
593 extern struct tsens_plat_data data_tsens_v1, data_8976;
594 
595 /* TSENS v2 targets */
596 extern struct tsens_plat_data data_8996, data_tsens_v2;
597 
598 #endif /* __QCOM_TSENS_H__ */
599