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5814fc35 MW |
1 | /* |
2 | * Copyright (C) ST-Ericsson SA 2010 | |
3 | * | |
4 | * Author: Mattias Wallin <mattias.wallin@stericsson.com> for ST-Ericsson. | |
5 | * License Terms: GNU General Public License v2 | |
6 | */ | |
0fbce76e | 7 | /* |
8 | * AB8500 register access | |
9 | * ====================== | |
10 | * | |
11 | * read: | |
12 | * # echo BANK > <debugfs>/ab8500/register-bank | |
13 | * # echo ADDR > <debugfs>/ab8500/register-address | |
14 | * # cat <debugfs>/ab8500/register-value | |
15 | * | |
16 | * write: | |
17 | * # echo BANK > <debugfs>/ab8500/register-bank | |
18 | * # echo ADDR > <debugfs>/ab8500/register-address | |
19 | * # echo VALUE > <debugfs>/ab8500/register-value | |
20 | * | |
21 | * read all registers from a bank: | |
22 | * # echo BANK > <debugfs>/ab8500/register-bank | |
23 | * # cat <debugfs>/ab8500/all-bank-register | |
24 | * | |
25 | * BANK target AB8500 register bank | |
26 | * ADDR target AB8500 register address | |
27 | * VALUE decimal or 0x-prefixed hexadecimal | |
28 | * | |
29 | * | |
30 | * User Space notification on AB8500 IRQ | |
31 | * ===================================== | |
32 | * | |
33 | * Allows user space entity to be notified when target AB8500 IRQ occurs. | |
34 | * When subscribed, a sysfs entry is created in ab8500.i2c platform device. | |
35 | * One can pool this file to get target IRQ occurence information. | |
36 | * | |
37 | * subscribe to an AB8500 IRQ: | |
38 | * # echo IRQ > <debugfs>/ab8500/irq-subscribe | |
39 | * | |
40 | * unsubscribe from an AB8500 IRQ: | |
41 | * # echo IRQ > <debugfs>/ab8500/irq-unsubscribe | |
42 | * | |
43 | * | |
44 | * AB8500 register formated read/write access | |
45 | * ========================================== | |
46 | * | |
47 | * Read: read data, data>>SHIFT, data&=MASK, output data | |
48 | * [0xABCDEF98] shift=12 mask=0xFFF => 0x00000CDE | |
49 | * Write: read data, data &= ~(MASK<<SHIFT), data |= (VALUE<<SHIFT), write data | |
50 | * [0xABCDEF98] shift=12 mask=0xFFF value=0x123 => [0xAB123F98] | |
51 | * | |
52 | * Usage: | |
53 | * # echo "CMD [OPTIONS] BANK ADRESS [VALUE]" > $debugfs/ab8500/hwreg | |
54 | * | |
55 | * CMD read read access | |
56 | * write write access | |
57 | * | |
58 | * BANK target reg bank | |
59 | * ADDRESS target reg address | |
60 | * VALUE (write) value to be updated | |
61 | * | |
62 | * OPTIONS | |
63 | * -d|-dec (read) output in decimal | |
64 | * -h|-hexa (read) output in 0x-hexa (default) | |
65 | * -l|-w|-b 32bit (default), 16bit or 8bit reg access | |
66 | * -m|-mask MASK 0x-hexa mask (default 0xFFFFFFFF) | |
67 | * -s|-shift SHIFT bit shift value (read:left, write:right) | |
68 | * -o|-offset OFFSET address offset to add to ADDRESS value | |
69 | * | |
70 | * Warning: bit shift operation is applied to bit-mask. | |
71 | * Warning: bit shift direction depends on read or right command. | |
72 | */ | |
5814fc35 MW |
73 | |
74 | #include <linux/seq_file.h> | |
75 | #include <linux/uaccess.h> | |
76 | #include <linux/fs.h> | |
4e36dd33 | 77 | #include <linux/module.h> |
5814fc35 MW |
78 | #include <linux/debugfs.h> |
79 | #include <linux/platform_device.h> | |
4b8ac082 LJ |
80 | #include <linux/interrupt.h> |
81 | #include <linux/kobject.h> | |
82 | #include <linux/slab.h> | |
5814fc35 MW |
83 | |
84 | #include <linux/mfd/abx500.h> | |
1478a316 | 85 | #include <linux/mfd/abx500/ab8500-gpadc.h> |
5814fc35 | 86 | |
0fbce76e | 87 | #ifdef CONFIG_DEBUG_FS |
88 | #include <linux/string.h> | |
89 | #include <linux/ctype.h> | |
90 | #endif | |
91 | ||
5814fc35 MW |
92 | static u32 debug_bank; |
93 | static u32 debug_address; | |
94 | ||
4b8ac082 LJ |
95 | static int irq_first; |
96 | static int irq_last; | |
ddba25f1 LW |
97 | static u32 *irq_count; |
98 | static int num_irqs; | |
0b337e70 | 99 | |
ddba25f1 LW |
100 | static struct device_attribute **dev_attr; |
101 | static char **event_name; | |
4b8ac082 | 102 | |
5814fc35 MW |
103 | /** |
104 | * struct ab8500_reg_range | |
105 | * @first: the first address of the range | |
106 | * @last: the last address of the range | |
107 | * @perm: access permissions for the range | |
108 | */ | |
109 | struct ab8500_reg_range { | |
d7b9f322 MW |
110 | u8 first; |
111 | u8 last; | |
112 | u8 perm; | |
5814fc35 MW |
113 | }; |
114 | ||
115 | /** | |
822672a7 | 116 | * struct ab8500_prcmu_ranges |
5814fc35 MW |
117 | * @num_ranges: the number of ranges in the list |
118 | * @bankid: bank identifier | |
119 | * @range: the list of register ranges | |
120 | */ | |
822672a7 | 121 | struct ab8500_prcmu_ranges { |
d7b9f322 MW |
122 | u8 num_ranges; |
123 | u8 bankid; | |
124 | const struct ab8500_reg_range *range; | |
5814fc35 MW |
125 | }; |
126 | ||
0fbce76e | 127 | /* hwreg- "mask" and "shift" entries ressources */ |
128 | struct hwreg_cfg { | |
129 | u32 bank; /* target bank */ | |
130 | u32 addr; /* target address */ | |
131 | uint fmt; /* format */ | |
132 | uint mask; /* read/write mask, applied before any bit shift */ | |
133 | int shift; /* bit shift (read:right shift, write:left shift */ | |
134 | }; | |
135 | /* fmt bit #0: 0=hexa, 1=dec */ | |
136 | #define REG_FMT_DEC(c) ((c)->fmt & 0x1) | |
137 | #define REG_FMT_HEX(c) (!REG_FMT_DEC(c)) | |
138 | ||
139 | static struct hwreg_cfg hwreg_cfg = { | |
140 | .addr = 0, /* default: invalid phys addr */ | |
141 | .fmt = 0, /* default: 32bit access, hex output */ | |
142 | .mask = 0xFFFFFFFF, /* default: no mask */ | |
143 | .shift = 0, /* default: no bit shift */ | |
144 | }; | |
145 | ||
5814fc35 | 146 | #define AB8500_NAME_STRING "ab8500" |
1478a316 | 147 | #define AB8500_ADC_NAME_STRING "gpadc" |
40c064e4 | 148 | #define AB8500_NUM_BANKS 24 |
5814fc35 MW |
149 | |
150 | #define AB8500_REV_REG 0x80 | |
151 | ||
822672a7 | 152 | static struct ab8500_prcmu_ranges debug_ranges[AB8500_NUM_BANKS] = { |
d7b9f322 MW |
153 | [0x0] = { |
154 | .num_ranges = 0, | |
fad55a86 | 155 | .range = NULL, |
d7b9f322 MW |
156 | }, |
157 | [AB8500_SYS_CTRL1_BLOCK] = { | |
158 | .num_ranges = 3, | |
159 | .range = (struct ab8500_reg_range[]) { | |
160 | { | |
161 | .first = 0x00, | |
162 | .last = 0x02, | |
163 | }, | |
164 | { | |
165 | .first = 0x42, | |
166 | .last = 0x42, | |
167 | }, | |
168 | { | |
169 | .first = 0x80, | |
170 | .last = 0x81, | |
171 | }, | |
172 | }, | |
173 | }, | |
174 | [AB8500_SYS_CTRL2_BLOCK] = { | |
175 | .num_ranges = 4, | |
176 | .range = (struct ab8500_reg_range[]) { | |
177 | { | |
178 | .first = 0x00, | |
179 | .last = 0x0D, | |
180 | }, | |
181 | { | |
182 | .first = 0x0F, | |
183 | .last = 0x17, | |
184 | }, | |
185 | { | |
186 | .first = 0x30, | |
187 | .last = 0x30, | |
188 | }, | |
189 | { | |
190 | .first = 0x32, | |
191 | .last = 0x33, | |
192 | }, | |
193 | }, | |
194 | }, | |
195 | [AB8500_REGU_CTRL1] = { | |
196 | .num_ranges = 3, | |
197 | .range = (struct ab8500_reg_range[]) { | |
198 | { | |
199 | .first = 0x00, | |
200 | .last = 0x00, | |
201 | }, | |
202 | { | |
203 | .first = 0x03, | |
204 | .last = 0x10, | |
205 | }, | |
206 | { | |
207 | .first = 0x80, | |
208 | .last = 0x84, | |
209 | }, | |
210 | }, | |
211 | }, | |
212 | [AB8500_REGU_CTRL2] = { | |
213 | .num_ranges = 5, | |
214 | .range = (struct ab8500_reg_range[]) { | |
215 | { | |
216 | .first = 0x00, | |
217 | .last = 0x15, | |
218 | }, | |
219 | { | |
220 | .first = 0x17, | |
221 | .last = 0x19, | |
222 | }, | |
223 | { | |
224 | .first = 0x1B, | |
225 | .last = 0x1D, | |
226 | }, | |
227 | { | |
228 | .first = 0x1F, | |
229 | .last = 0x22, | |
230 | }, | |
231 | { | |
232 | .first = 0x40, | |
233 | .last = 0x44, | |
234 | }, | |
235 | /* 0x80-0x8B is SIM registers and should | |
236 | * not be accessed from here */ | |
237 | }, | |
238 | }, | |
239 | [AB8500_USB] = { | |
240 | .num_ranges = 2, | |
241 | .range = (struct ab8500_reg_range[]) { | |
242 | { | |
243 | .first = 0x80, | |
244 | .last = 0x83, | |
245 | }, | |
246 | { | |
247 | .first = 0x87, | |
248 | .last = 0x8A, | |
249 | }, | |
250 | }, | |
251 | }, | |
252 | [AB8500_TVOUT] = { | |
253 | .num_ranges = 9, | |
254 | .range = (struct ab8500_reg_range[]) { | |
255 | { | |
256 | .first = 0x00, | |
257 | .last = 0x12, | |
258 | }, | |
259 | { | |
260 | .first = 0x15, | |
261 | .last = 0x17, | |
262 | }, | |
263 | { | |
264 | .first = 0x19, | |
265 | .last = 0x21, | |
266 | }, | |
267 | { | |
268 | .first = 0x27, | |
269 | .last = 0x2C, | |
270 | }, | |
271 | { | |
272 | .first = 0x41, | |
273 | .last = 0x41, | |
274 | }, | |
275 | { | |
276 | .first = 0x45, | |
277 | .last = 0x5B, | |
278 | }, | |
279 | { | |
280 | .first = 0x5D, | |
281 | .last = 0x5D, | |
282 | }, | |
283 | { | |
284 | .first = 0x69, | |
285 | .last = 0x69, | |
286 | }, | |
287 | { | |
288 | .first = 0x80, | |
289 | .last = 0x81, | |
290 | }, | |
291 | }, | |
292 | }, | |
293 | [AB8500_DBI] = { | |
294 | .num_ranges = 0, | |
87fff232 | 295 | .range = NULL, |
d7b9f322 MW |
296 | }, |
297 | [AB8500_ECI_AV_ACC] = { | |
298 | .num_ranges = 1, | |
299 | .range = (struct ab8500_reg_range[]) { | |
300 | { | |
301 | .first = 0x80, | |
302 | .last = 0x82, | |
303 | }, | |
304 | }, | |
305 | }, | |
306 | [0x9] = { | |
307 | .num_ranges = 0, | |
87fff232 | 308 | .range = NULL, |
d7b9f322 MW |
309 | }, |
310 | [AB8500_GPADC] = { | |
311 | .num_ranges = 1, | |
312 | .range = (struct ab8500_reg_range[]) { | |
313 | { | |
314 | .first = 0x00, | |
315 | .last = 0x08, | |
316 | }, | |
317 | }, | |
318 | }, | |
319 | [AB8500_CHARGER] = { | |
40c064e4 | 320 | .num_ranges = 9, |
d7b9f322 MW |
321 | .range = (struct ab8500_reg_range[]) { |
322 | { | |
323 | .first = 0x00, | |
324 | .last = 0x03, | |
325 | }, | |
326 | { | |
327 | .first = 0x05, | |
328 | .last = 0x05, | |
329 | }, | |
330 | { | |
331 | .first = 0x40, | |
332 | .last = 0x40, | |
333 | }, | |
334 | { | |
335 | .first = 0x42, | |
336 | .last = 0x42, | |
337 | }, | |
338 | { | |
339 | .first = 0x44, | |
340 | .last = 0x44, | |
341 | }, | |
342 | { | |
343 | .first = 0x50, | |
344 | .last = 0x55, | |
345 | }, | |
346 | { | |
347 | .first = 0x80, | |
348 | .last = 0x82, | |
349 | }, | |
350 | { | |
351 | .first = 0xC0, | |
352 | .last = 0xC2, | |
353 | }, | |
40c064e4 PL |
354 | { |
355 | .first = 0xf5, | |
356 | .last = 0xf6, | |
357 | }, | |
d7b9f322 MW |
358 | }, |
359 | }, | |
360 | [AB8500_GAS_GAUGE] = { | |
361 | .num_ranges = 3, | |
362 | .range = (struct ab8500_reg_range[]) { | |
363 | { | |
364 | .first = 0x00, | |
365 | .last = 0x00, | |
366 | }, | |
367 | { | |
368 | .first = 0x07, | |
369 | .last = 0x0A, | |
370 | }, | |
371 | { | |
372 | .first = 0x10, | |
373 | .last = 0x14, | |
374 | }, | |
375 | }, | |
376 | }, | |
40c064e4 PL |
377 | [AB8500_DEVELOPMENT] = { |
378 | .num_ranges = 1, | |
379 | .range = (struct ab8500_reg_range[]) { | |
380 | { | |
381 | .first = 0x00, | |
382 | .last = 0x00, | |
383 | }, | |
384 | }, | |
385 | }, | |
386 | [AB8500_DEBUG] = { | |
387 | .num_ranges = 1, | |
388 | .range = (struct ab8500_reg_range[]) { | |
389 | { | |
390 | .first = 0x05, | |
391 | .last = 0x07, | |
392 | }, | |
393 | }, | |
394 | }, | |
d7b9f322 MW |
395 | [AB8500_AUDIO] = { |
396 | .num_ranges = 1, | |
397 | .range = (struct ab8500_reg_range[]) { | |
398 | { | |
399 | .first = 0x00, | |
400 | .last = 0x6F, | |
401 | }, | |
402 | }, | |
403 | }, | |
404 | [AB8500_INTERRUPT] = { | |
405 | .num_ranges = 0, | |
87fff232 | 406 | .range = NULL, |
d7b9f322 MW |
407 | }, |
408 | [AB8500_RTC] = { | |
409 | .num_ranges = 1, | |
410 | .range = (struct ab8500_reg_range[]) { | |
411 | { | |
412 | .first = 0x00, | |
413 | .last = 0x0F, | |
414 | }, | |
415 | }, | |
416 | }, | |
417 | [AB8500_MISC] = { | |
418 | .num_ranges = 8, | |
419 | .range = (struct ab8500_reg_range[]) { | |
420 | { | |
421 | .first = 0x00, | |
422 | .last = 0x05, | |
423 | }, | |
424 | { | |
425 | .first = 0x10, | |
426 | .last = 0x15, | |
427 | }, | |
428 | { | |
429 | .first = 0x20, | |
430 | .last = 0x25, | |
431 | }, | |
432 | { | |
433 | .first = 0x30, | |
434 | .last = 0x35, | |
435 | }, | |
436 | { | |
437 | .first = 0x40, | |
438 | .last = 0x45, | |
439 | }, | |
440 | { | |
441 | .first = 0x50, | |
442 | .last = 0x50, | |
443 | }, | |
444 | { | |
445 | .first = 0x60, | |
446 | .last = 0x67, | |
447 | }, | |
448 | { | |
449 | .first = 0x80, | |
450 | .last = 0x80, | |
451 | }, | |
452 | }, | |
453 | }, | |
454 | [0x11] = { | |
455 | .num_ranges = 0, | |
87fff232 | 456 | .range = NULL, |
d7b9f322 MW |
457 | }, |
458 | [0x12] = { | |
459 | .num_ranges = 0, | |
87fff232 | 460 | .range = NULL, |
d7b9f322 MW |
461 | }, |
462 | [0x13] = { | |
463 | .num_ranges = 0, | |
87fff232 | 464 | .range = NULL, |
d7b9f322 MW |
465 | }, |
466 | [0x14] = { | |
467 | .num_ranges = 0, | |
87fff232 | 468 | .range = NULL, |
d7b9f322 MW |
469 | }, |
470 | [AB8500_OTP_EMUL] = { | |
471 | .num_ranges = 1, | |
472 | .range = (struct ab8500_reg_range[]) { | |
473 | { | |
474 | .first = 0x01, | |
475 | .last = 0x0F, | |
476 | }, | |
477 | }, | |
478 | }, | |
5814fc35 MW |
479 | }; |
480 | ||
4b8ac082 LJ |
481 | static irqreturn_t ab8500_debug_handler(int irq, void *data) |
482 | { | |
483 | char buf[16]; | |
484 | struct kobject *kobj = (struct kobject *)data; | |
0b337e70 | 485 | unsigned int irq_abb = irq - irq_first; |
4b8ac082 | 486 | |
ddba25f1 | 487 | if (irq_abb < num_irqs) |
0b337e70 | 488 | irq_count[irq_abb]++; |
4b8ac082 LJ |
489 | /* |
490 | * This makes it possible to use poll for events (POLLPRI | POLLERR) | |
0b337e70 | 491 | * from userspace on sysfs file named <irq-nr> |
4b8ac082 | 492 | */ |
0b337e70 | 493 | sprintf(buf, "%d", irq); |
4b8ac082 LJ |
494 | sysfs_notify(kobj, NULL, buf); |
495 | ||
496 | return IRQ_HANDLED; | |
497 | } | |
498 | ||
42002c6d MYK |
499 | /* Prints to seq_file or log_buf */ |
500 | static int ab8500_registers_print(struct device *dev, u32 bank, | |
501 | struct seq_file *s) | |
5814fc35 | 502 | { |
d7b9f322 | 503 | unsigned int i; |
d7b9f322 | 504 | |
d7b9f322 MW |
505 | for (i = 0; i < debug_ranges[bank].num_ranges; i++) { |
506 | u32 reg; | |
507 | ||
508 | for (reg = debug_ranges[bank].range[i].first; | |
509 | reg <= debug_ranges[bank].range[i].last; | |
510 | reg++) { | |
511 | u8 value; | |
512 | int err; | |
513 | ||
514 | err = abx500_get_register_interruptible(dev, | |
515 | (u8)bank, (u8)reg, &value); | |
516 | if (err < 0) { | |
517 | dev_err(dev, "ab->read fail %d\n", err); | |
518 | return err; | |
519 | } | |
520 | ||
42002c6d MYK |
521 | if (s) { |
522 | err = seq_printf(s, " [%u/0x%02X]: 0x%02X\n", | |
523 | bank, reg, value); | |
524 | if (err < 0) { | |
525 | dev_err(dev, | |
526 | "seq_printf overflow bank=%d reg=%d\n", | |
527 | bank, reg); | |
528 | /* Error is not returned here since | |
529 | * the output is wanted in any case */ | |
530 | return 0; | |
531 | } | |
532 | } else { | |
533 | printk(KERN_INFO" [%u/0x%02X]: 0x%02X\n", bank, | |
534 | reg, value); | |
d7b9f322 MW |
535 | } |
536 | } | |
537 | } | |
538 | return 0; | |
5814fc35 MW |
539 | } |
540 | ||
42002c6d MYK |
541 | static int ab8500_print_bank_registers(struct seq_file *s, void *p) |
542 | { | |
543 | struct device *dev = s->private; | |
544 | u32 bank = debug_bank; | |
545 | ||
546 | seq_printf(s, AB8500_NAME_STRING " register values:\n"); | |
547 | ||
548 | seq_printf(s, " bank %u:\n", bank); | |
549 | ||
550 | ab8500_registers_print(dev, bank, s); | |
551 | return 0; | |
552 | } | |
553 | ||
5814fc35 MW |
554 | static int ab8500_registers_open(struct inode *inode, struct file *file) |
555 | { | |
42002c6d | 556 | return single_open(file, ab8500_print_bank_registers, inode->i_private); |
5814fc35 MW |
557 | } |
558 | ||
559 | static const struct file_operations ab8500_registers_fops = { | |
d7b9f322 MW |
560 | .open = ab8500_registers_open, |
561 | .read = seq_read, | |
562 | .llseek = seq_lseek, | |
563 | .release = single_release, | |
564 | .owner = THIS_MODULE, | |
5814fc35 MW |
565 | }; |
566 | ||
42002c6d MYK |
567 | static int ab8500_print_all_banks(struct seq_file *s, void *p) |
568 | { | |
569 | struct device *dev = s->private; | |
570 | unsigned int i; | |
571 | int err; | |
572 | ||
573 | seq_printf(s, AB8500_NAME_STRING " register values:\n"); | |
574 | ||
575 | for (i = 1; i < AB8500_NUM_BANKS; i++) { | |
576 | err = seq_printf(s, " bank %u:\n", i); | |
577 | if (err < 0) | |
578 | dev_err(dev, "seq_printf overflow, bank=%d\n", i); | |
579 | ||
580 | ab8500_registers_print(dev, i, s); | |
581 | } | |
582 | return 0; | |
583 | } | |
584 | ||
1d843a6c MYK |
585 | /* Dump registers to kernel log */ |
586 | void ab8500_dump_all_banks(struct device *dev) | |
587 | { | |
588 | unsigned int i; | |
589 | ||
590 | printk(KERN_INFO"ab8500 register values:\n"); | |
591 | ||
592 | for (i = 1; i < AB8500_NUM_BANKS; i++) { | |
593 | printk(KERN_INFO" bank %u:\n", i); | |
594 | ab8500_registers_print(dev, i, NULL); | |
595 | } | |
596 | } | |
597 | ||
42002c6d MYK |
598 | static int ab8500_all_banks_open(struct inode *inode, struct file *file) |
599 | { | |
600 | struct seq_file *s; | |
601 | int err; | |
602 | ||
603 | err = single_open(file, ab8500_print_all_banks, inode->i_private); | |
604 | if (!err) { | |
605 | /* Default buf size in seq_read is not enough */ | |
606 | s = (struct seq_file *)file->private_data; | |
607 | s->size = (PAGE_SIZE * 2); | |
608 | s->buf = kmalloc(s->size, GFP_KERNEL); | |
609 | if (!s->buf) { | |
610 | single_release(inode, file); | |
611 | err = -ENOMEM; | |
612 | } | |
613 | } | |
614 | return err; | |
615 | } | |
616 | ||
617 | static const struct file_operations ab8500_all_banks_fops = { | |
618 | .open = ab8500_all_banks_open, | |
619 | .read = seq_read, | |
620 | .llseek = seq_lseek, | |
621 | .release = single_release, | |
622 | .owner = THIS_MODULE, | |
623 | }; | |
624 | ||
5814fc35 MW |
625 | static int ab8500_bank_print(struct seq_file *s, void *p) |
626 | { | |
d7b9f322 | 627 | return seq_printf(s, "%d\n", debug_bank); |
5814fc35 MW |
628 | } |
629 | ||
630 | static int ab8500_bank_open(struct inode *inode, struct file *file) | |
631 | { | |
d7b9f322 | 632 | return single_open(file, ab8500_bank_print, inode->i_private); |
5814fc35 MW |
633 | } |
634 | ||
635 | static ssize_t ab8500_bank_write(struct file *file, | |
d7b9f322 MW |
636 | const char __user *user_buf, |
637 | size_t count, loff_t *ppos) | |
5814fc35 | 638 | { |
d7b9f322 | 639 | struct device *dev = ((struct seq_file *)(file->private_data))->private; |
d7b9f322 MW |
640 | unsigned long user_bank; |
641 | int err; | |
642 | ||
643 | /* Get userspace string and assure termination */ | |
8504d638 | 644 | err = kstrtoul_from_user(user_buf, count, 0, &user_bank); |
d7b9f322 | 645 | if (err) |
8504d638 | 646 | return err; |
d7b9f322 MW |
647 | |
648 | if (user_bank >= AB8500_NUM_BANKS) { | |
649 | dev_err(dev, "debugfs error input > number of banks\n"); | |
650 | return -EINVAL; | |
651 | } | |
652 | ||
653 | debug_bank = user_bank; | |
654 | ||
8504d638 | 655 | return count; |
5814fc35 MW |
656 | } |
657 | ||
658 | static int ab8500_address_print(struct seq_file *s, void *p) | |
659 | { | |
d7b9f322 | 660 | return seq_printf(s, "0x%02X\n", debug_address); |
5814fc35 MW |
661 | } |
662 | ||
663 | static int ab8500_address_open(struct inode *inode, struct file *file) | |
664 | { | |
d7b9f322 | 665 | return single_open(file, ab8500_address_print, inode->i_private); |
5814fc35 MW |
666 | } |
667 | ||
668 | static ssize_t ab8500_address_write(struct file *file, | |
d7b9f322 MW |
669 | const char __user *user_buf, |
670 | size_t count, loff_t *ppos) | |
5814fc35 | 671 | { |
d7b9f322 | 672 | struct device *dev = ((struct seq_file *)(file->private_data))->private; |
d7b9f322 MW |
673 | unsigned long user_address; |
674 | int err; | |
675 | ||
676 | /* Get userspace string and assure termination */ | |
8504d638 | 677 | err = kstrtoul_from_user(user_buf, count, 0, &user_address); |
d7b9f322 | 678 | if (err) |
8504d638 PH |
679 | return err; |
680 | ||
d7b9f322 MW |
681 | if (user_address > 0xff) { |
682 | dev_err(dev, "debugfs error input > 0xff\n"); | |
683 | return -EINVAL; | |
684 | } | |
685 | debug_address = user_address; | |
8504d638 | 686 | return count; |
5814fc35 MW |
687 | } |
688 | ||
689 | static int ab8500_val_print(struct seq_file *s, void *p) | |
690 | { | |
d7b9f322 MW |
691 | struct device *dev = s->private; |
692 | int ret; | |
693 | u8 regvalue; | |
694 | ||
695 | ret = abx500_get_register_interruptible(dev, | |
696 | (u8)debug_bank, (u8)debug_address, ®value); | |
697 | if (ret < 0) { | |
698 | dev_err(dev, "abx500_get_reg fail %d, %d\n", | |
699 | ret, __LINE__); | |
700 | return -EINVAL; | |
701 | } | |
702 | seq_printf(s, "0x%02X\n", regvalue); | |
703 | ||
704 | return 0; | |
5814fc35 MW |
705 | } |
706 | ||
707 | static int ab8500_val_open(struct inode *inode, struct file *file) | |
708 | { | |
d7b9f322 | 709 | return single_open(file, ab8500_val_print, inode->i_private); |
5814fc35 MW |
710 | } |
711 | ||
712 | static ssize_t ab8500_val_write(struct file *file, | |
d7b9f322 MW |
713 | const char __user *user_buf, |
714 | size_t count, loff_t *ppos) | |
5814fc35 | 715 | { |
d7b9f322 | 716 | struct device *dev = ((struct seq_file *)(file->private_data))->private; |
d7b9f322 MW |
717 | unsigned long user_val; |
718 | int err; | |
719 | ||
720 | /* Get userspace string and assure termination */ | |
8504d638 | 721 | err = kstrtoul_from_user(user_buf, count, 0, &user_val); |
d7b9f322 | 722 | if (err) |
8504d638 PH |
723 | return err; |
724 | ||
d7b9f322 MW |
725 | if (user_val > 0xff) { |
726 | dev_err(dev, "debugfs error input > 0xff\n"); | |
727 | return -EINVAL; | |
728 | } | |
729 | err = abx500_set_register_interruptible(dev, | |
730 | (u8)debug_bank, debug_address, (u8)user_val); | |
731 | if (err < 0) { | |
732 | printk(KERN_ERR "abx500_set_reg failed %d, %d", err, __LINE__); | |
733 | return -EINVAL; | |
734 | } | |
735 | ||
8504d638 | 736 | return count; |
5814fc35 MW |
737 | } |
738 | ||
8f0eb43b BJ |
739 | /* |
740 | * Interrupt status | |
741 | */ | |
742 | static u32 num_interrupts[AB8500_MAX_NR_IRQS]; | |
743 | static int num_interrupt_lines; | |
744 | ||
745 | void ab8500_debug_register_interrupt(int line) | |
746 | { | |
747 | if (line < num_interrupt_lines) | |
748 | num_interrupts[line]++; | |
749 | } | |
750 | ||
751 | static int ab8500_interrupts_print(struct seq_file *s, void *p) | |
752 | { | |
753 | int line; | |
754 | ||
755 | seq_printf(s, "irq: number of\n"); | |
756 | ||
757 | for (line = 0; line < num_interrupt_lines; line++) | |
758 | seq_printf(s, "%3i: %6i\n", line, num_interrupts[line]); | |
759 | ||
760 | return 0; | |
761 | } | |
762 | ||
763 | static int ab8500_interrupts_open(struct inode *inode, struct file *file) | |
764 | { | |
765 | return single_open(file, ab8500_interrupts_print, inode->i_private); | |
766 | } | |
767 | ||
0fbce76e | 768 | /* |
769 | * - HWREG DB8500 formated routines | |
770 | */ | |
771 | static int ab8500_hwreg_print(struct seq_file *s, void *d) | |
772 | { | |
773 | struct device *dev = s->private; | |
774 | int ret; | |
775 | u8 regvalue; | |
776 | ||
777 | ret = abx500_get_register_interruptible(dev, | |
778 | (u8)hwreg_cfg.bank, (u8)hwreg_cfg.addr, ®value); | |
779 | if (ret < 0) { | |
780 | dev_err(dev, "abx500_get_reg fail %d, %d\n", | |
781 | ret, __LINE__); | |
782 | return -EINVAL; | |
783 | } | |
784 | ||
785 | if (hwreg_cfg.shift >= 0) | |
786 | regvalue >>= hwreg_cfg.shift; | |
787 | else | |
788 | regvalue <<= -hwreg_cfg.shift; | |
789 | regvalue &= hwreg_cfg.mask; | |
790 | ||
791 | if (REG_FMT_DEC(&hwreg_cfg)) | |
792 | seq_printf(s, "%d\n", regvalue); | |
793 | else | |
794 | seq_printf(s, "0x%02X\n", regvalue); | |
795 | return 0; | |
796 | } | |
797 | ||
798 | static int ab8500_hwreg_open(struct inode *inode, struct file *file) | |
799 | { | |
800 | return single_open(file, ab8500_hwreg_print, inode->i_private); | |
801 | } | |
802 | ||
1478a316 JB |
803 | static int ab8500_gpadc_bat_ctrl_print(struct seq_file *s, void *p) |
804 | { | |
805 | int bat_ctrl_raw; | |
806 | int bat_ctrl_convert; | |
807 | struct ab8500_gpadc *gpadc; | |
808 | ||
8908c049 | 809 | gpadc = ab8500_gpadc_get("ab8500-gpadc.0"); |
1478a316 JB |
810 | bat_ctrl_raw = ab8500_gpadc_read_raw(gpadc, BAT_CTRL); |
811 | bat_ctrl_convert = ab8500_gpadc_ad_to_voltage(gpadc, | |
812 | BAT_CTRL, bat_ctrl_raw); | |
813 | ||
814 | return seq_printf(s, "%d,0x%X\n", | |
815 | bat_ctrl_convert, bat_ctrl_raw); | |
816 | } | |
817 | ||
818 | static int ab8500_gpadc_bat_ctrl_open(struct inode *inode, struct file *file) | |
819 | { | |
820 | return single_open(file, ab8500_gpadc_bat_ctrl_print, inode->i_private); | |
821 | } | |
822 | ||
823 | static const struct file_operations ab8500_gpadc_bat_ctrl_fops = { | |
824 | .open = ab8500_gpadc_bat_ctrl_open, | |
825 | .read = seq_read, | |
826 | .llseek = seq_lseek, | |
827 | .release = single_release, | |
828 | .owner = THIS_MODULE, | |
829 | }; | |
830 | ||
831 | static int ab8500_gpadc_btemp_ball_print(struct seq_file *s, void *p) | |
832 | { | |
833 | int btemp_ball_raw; | |
834 | int btemp_ball_convert; | |
835 | struct ab8500_gpadc *gpadc; | |
836 | ||
8908c049 | 837 | gpadc = ab8500_gpadc_get("ab8500-gpadc.0"); |
1478a316 JB |
838 | btemp_ball_raw = ab8500_gpadc_read_raw(gpadc, BTEMP_BALL); |
839 | btemp_ball_convert = ab8500_gpadc_ad_to_voltage(gpadc, BTEMP_BALL, | |
840 | btemp_ball_raw); | |
841 | ||
842 | return seq_printf(s, | |
843 | "%d,0x%X\n", btemp_ball_convert, btemp_ball_raw); | |
844 | } | |
845 | ||
846 | static int ab8500_gpadc_btemp_ball_open(struct inode *inode, | |
847 | struct file *file) | |
848 | { | |
849 | return single_open(file, ab8500_gpadc_btemp_ball_print, inode->i_private); | |
850 | } | |
851 | ||
852 | static const struct file_operations ab8500_gpadc_btemp_ball_fops = { | |
853 | .open = ab8500_gpadc_btemp_ball_open, | |
854 | .read = seq_read, | |
855 | .llseek = seq_lseek, | |
856 | .release = single_release, | |
857 | .owner = THIS_MODULE, | |
858 | }; | |
859 | ||
860 | static int ab8500_gpadc_main_charger_v_print(struct seq_file *s, void *p) | |
861 | { | |
862 | int main_charger_v_raw; | |
863 | int main_charger_v_convert; | |
864 | struct ab8500_gpadc *gpadc; | |
865 | ||
8908c049 | 866 | gpadc = ab8500_gpadc_get("ab8500-gpadc.0"); |
1478a316 JB |
867 | main_charger_v_raw = ab8500_gpadc_read_raw(gpadc, MAIN_CHARGER_V); |
868 | main_charger_v_convert = ab8500_gpadc_ad_to_voltage(gpadc, | |
869 | MAIN_CHARGER_V, main_charger_v_raw); | |
870 | ||
871 | return seq_printf(s, "%d,0x%X\n", | |
872 | main_charger_v_convert, main_charger_v_raw); | |
873 | } | |
874 | ||
875 | static int ab8500_gpadc_main_charger_v_open(struct inode *inode, | |
876 | struct file *file) | |
877 | { | |
878 | return single_open(file, ab8500_gpadc_main_charger_v_print, | |
879 | inode->i_private); | |
880 | } | |
881 | ||
882 | static const struct file_operations ab8500_gpadc_main_charger_v_fops = { | |
883 | .open = ab8500_gpadc_main_charger_v_open, | |
884 | .read = seq_read, | |
885 | .llseek = seq_lseek, | |
886 | .release = single_release, | |
887 | .owner = THIS_MODULE, | |
888 | }; | |
889 | ||
890 | static int ab8500_gpadc_acc_detect1_print(struct seq_file *s, void *p) | |
891 | { | |
892 | int acc_detect1_raw; | |
893 | int acc_detect1_convert; | |
894 | struct ab8500_gpadc *gpadc; | |
895 | ||
8908c049 | 896 | gpadc = ab8500_gpadc_get("ab8500-gpadc.0"); |
1478a316 JB |
897 | acc_detect1_raw = ab8500_gpadc_read_raw(gpadc, ACC_DETECT1); |
898 | acc_detect1_convert = ab8500_gpadc_ad_to_voltage(gpadc, ACC_DETECT1, | |
899 | acc_detect1_raw); | |
900 | ||
901 | return seq_printf(s, "%d,0x%X\n", | |
902 | acc_detect1_convert, acc_detect1_raw); | |
903 | } | |
904 | ||
905 | static int ab8500_gpadc_acc_detect1_open(struct inode *inode, | |
906 | struct file *file) | |
907 | { | |
908 | return single_open(file, ab8500_gpadc_acc_detect1_print, | |
909 | inode->i_private); | |
910 | } | |
911 | ||
912 | static const struct file_operations ab8500_gpadc_acc_detect1_fops = { | |
913 | .open = ab8500_gpadc_acc_detect1_open, | |
914 | .read = seq_read, | |
915 | .llseek = seq_lseek, | |
916 | .release = single_release, | |
917 | .owner = THIS_MODULE, | |
918 | }; | |
919 | ||
920 | static int ab8500_gpadc_acc_detect2_print(struct seq_file *s, void *p) | |
921 | { | |
922 | int acc_detect2_raw; | |
923 | int acc_detect2_convert; | |
924 | struct ab8500_gpadc *gpadc; | |
925 | ||
8908c049 | 926 | gpadc = ab8500_gpadc_get("ab8500-gpadc.0"); |
1478a316 JB |
927 | acc_detect2_raw = ab8500_gpadc_read_raw(gpadc, ACC_DETECT2); |
928 | acc_detect2_convert = ab8500_gpadc_ad_to_voltage(gpadc, | |
929 | ACC_DETECT2, acc_detect2_raw); | |
930 | ||
931 | return seq_printf(s, "%d,0x%X\n", | |
932 | acc_detect2_convert, acc_detect2_raw); | |
933 | } | |
934 | ||
935 | static int ab8500_gpadc_acc_detect2_open(struct inode *inode, | |
936 | struct file *file) | |
937 | { | |
938 | return single_open(file, ab8500_gpadc_acc_detect2_print, | |
939 | inode->i_private); | |
940 | } | |
941 | ||
942 | static const struct file_operations ab8500_gpadc_acc_detect2_fops = { | |
943 | .open = ab8500_gpadc_acc_detect2_open, | |
944 | .read = seq_read, | |
945 | .llseek = seq_lseek, | |
946 | .release = single_release, | |
947 | .owner = THIS_MODULE, | |
948 | }; | |
949 | ||
950 | static int ab8500_gpadc_aux1_print(struct seq_file *s, void *p) | |
951 | { | |
952 | int aux1_raw; | |
953 | int aux1_convert; | |
954 | struct ab8500_gpadc *gpadc; | |
955 | ||
8908c049 | 956 | gpadc = ab8500_gpadc_get("ab8500-gpadc.0"); |
1478a316 JB |
957 | aux1_raw = ab8500_gpadc_read_raw(gpadc, ADC_AUX1); |
958 | aux1_convert = ab8500_gpadc_ad_to_voltage(gpadc, ADC_AUX1, | |
959 | aux1_raw); | |
960 | ||
961 | return seq_printf(s, "%d,0x%X\n", | |
962 | aux1_convert, aux1_raw); | |
963 | } | |
964 | ||
965 | static int ab8500_gpadc_aux1_open(struct inode *inode, struct file *file) | |
966 | { | |
967 | return single_open(file, ab8500_gpadc_aux1_print, inode->i_private); | |
968 | } | |
969 | ||
970 | static const struct file_operations ab8500_gpadc_aux1_fops = { | |
971 | .open = ab8500_gpadc_aux1_open, | |
972 | .read = seq_read, | |
973 | .llseek = seq_lseek, | |
974 | .release = single_release, | |
975 | .owner = THIS_MODULE, | |
976 | }; | |
977 | ||
978 | static int ab8500_gpadc_aux2_print(struct seq_file *s, void *p) | |
979 | { | |
980 | int aux2_raw; | |
981 | int aux2_convert; | |
982 | struct ab8500_gpadc *gpadc; | |
983 | ||
8908c049 | 984 | gpadc = ab8500_gpadc_get("ab8500-gpadc.0"); |
1478a316 JB |
985 | aux2_raw = ab8500_gpadc_read_raw(gpadc, ADC_AUX2); |
986 | aux2_convert = ab8500_gpadc_ad_to_voltage(gpadc, ADC_AUX2, | |
987 | aux2_raw); | |
988 | ||
989 | return seq_printf(s, "%d,0x%X\n", | |
990 | aux2_convert, aux2_raw); | |
991 | } | |
992 | ||
993 | static int ab8500_gpadc_aux2_open(struct inode *inode, struct file *file) | |
994 | { | |
995 | return single_open(file, ab8500_gpadc_aux2_print, inode->i_private); | |
996 | } | |
997 | ||
998 | static const struct file_operations ab8500_gpadc_aux2_fops = { | |
999 | .open = ab8500_gpadc_aux2_open, | |
1000 | .read = seq_read, | |
1001 | .llseek = seq_lseek, | |
1002 | .release = single_release, | |
1003 | .owner = THIS_MODULE, | |
1004 | }; | |
1005 | ||
1006 | static int ab8500_gpadc_main_bat_v_print(struct seq_file *s, void *p) | |
1007 | { | |
1008 | int main_bat_v_raw; | |
1009 | int main_bat_v_convert; | |
1010 | struct ab8500_gpadc *gpadc; | |
1011 | ||
8908c049 | 1012 | gpadc = ab8500_gpadc_get("ab8500-gpadc.0"); |
1478a316 JB |
1013 | main_bat_v_raw = ab8500_gpadc_read_raw(gpadc, MAIN_BAT_V); |
1014 | main_bat_v_convert = ab8500_gpadc_ad_to_voltage(gpadc, MAIN_BAT_V, | |
1015 | main_bat_v_raw); | |
1016 | ||
1017 | return seq_printf(s, "%d,0x%X\n", | |
1018 | main_bat_v_convert, main_bat_v_raw); | |
1019 | } | |
1020 | ||
1021 | static int ab8500_gpadc_main_bat_v_open(struct inode *inode, | |
1022 | struct file *file) | |
1023 | { | |
1024 | return single_open(file, ab8500_gpadc_main_bat_v_print, inode->i_private); | |
1025 | } | |
1026 | ||
1027 | static const struct file_operations ab8500_gpadc_main_bat_v_fops = { | |
1028 | .open = ab8500_gpadc_main_bat_v_open, | |
1029 | .read = seq_read, | |
1030 | .llseek = seq_lseek, | |
1031 | .release = single_release, | |
1032 | .owner = THIS_MODULE, | |
1033 | }; | |
1034 | ||
1035 | static int ab8500_gpadc_vbus_v_print(struct seq_file *s, void *p) | |
1036 | { | |
1037 | int vbus_v_raw; | |
1038 | int vbus_v_convert; | |
1039 | struct ab8500_gpadc *gpadc; | |
1040 | ||
8908c049 | 1041 | gpadc = ab8500_gpadc_get("ab8500-gpadc.0"); |
1478a316 JB |
1042 | vbus_v_raw = ab8500_gpadc_read_raw(gpadc, VBUS_V); |
1043 | vbus_v_convert = ab8500_gpadc_ad_to_voltage(gpadc, VBUS_V, | |
1044 | vbus_v_raw); | |
1045 | ||
1046 | return seq_printf(s, "%d,0x%X\n", | |
1047 | vbus_v_convert, vbus_v_raw); | |
1048 | } | |
1049 | ||
1050 | static int ab8500_gpadc_vbus_v_open(struct inode *inode, struct file *file) | |
1051 | { | |
1052 | return single_open(file, ab8500_gpadc_vbus_v_print, inode->i_private); | |
1053 | } | |
1054 | ||
1055 | static const struct file_operations ab8500_gpadc_vbus_v_fops = { | |
1056 | .open = ab8500_gpadc_vbus_v_open, | |
1057 | .read = seq_read, | |
1058 | .llseek = seq_lseek, | |
1059 | .release = single_release, | |
1060 | .owner = THIS_MODULE, | |
1061 | }; | |
1062 | ||
1063 | static int ab8500_gpadc_main_charger_c_print(struct seq_file *s, void *p) | |
1064 | { | |
1065 | int main_charger_c_raw; | |
1066 | int main_charger_c_convert; | |
1067 | struct ab8500_gpadc *gpadc; | |
1068 | ||
8908c049 | 1069 | gpadc = ab8500_gpadc_get("ab8500-gpadc.0"); |
1478a316 JB |
1070 | main_charger_c_raw = ab8500_gpadc_read_raw(gpadc, MAIN_CHARGER_C); |
1071 | main_charger_c_convert = ab8500_gpadc_ad_to_voltage(gpadc, | |
1072 | MAIN_CHARGER_C, main_charger_c_raw); | |
1073 | ||
1074 | return seq_printf(s, "%d,0x%X\n", | |
1075 | main_charger_c_convert, main_charger_c_raw); | |
1076 | } | |
1077 | ||
1078 | static int ab8500_gpadc_main_charger_c_open(struct inode *inode, | |
1079 | struct file *file) | |
1080 | { | |
1081 | return single_open(file, ab8500_gpadc_main_charger_c_print, | |
1082 | inode->i_private); | |
1083 | } | |
1084 | ||
1085 | static const struct file_operations ab8500_gpadc_main_charger_c_fops = { | |
1086 | .open = ab8500_gpadc_main_charger_c_open, | |
1087 | .read = seq_read, | |
1088 | .llseek = seq_lseek, | |
1089 | .release = single_release, | |
1090 | .owner = THIS_MODULE, | |
1091 | }; | |
1092 | ||
1093 | static int ab8500_gpadc_usb_charger_c_print(struct seq_file *s, void *p) | |
1094 | { | |
1095 | int usb_charger_c_raw; | |
1096 | int usb_charger_c_convert; | |
1097 | struct ab8500_gpadc *gpadc; | |
1098 | ||
8908c049 | 1099 | gpadc = ab8500_gpadc_get("ab8500-gpadc.0"); |
1478a316 JB |
1100 | usb_charger_c_raw = ab8500_gpadc_read_raw(gpadc, USB_CHARGER_C); |
1101 | usb_charger_c_convert = ab8500_gpadc_ad_to_voltage(gpadc, | |
1102 | USB_CHARGER_C, usb_charger_c_raw); | |
1103 | ||
1104 | return seq_printf(s, "%d,0x%X\n", | |
1105 | usb_charger_c_convert, usb_charger_c_raw); | |
1106 | } | |
1107 | ||
1108 | static int ab8500_gpadc_usb_charger_c_open(struct inode *inode, | |
1109 | struct file *file) | |
1110 | { | |
1111 | return single_open(file, ab8500_gpadc_usb_charger_c_print, | |
1112 | inode->i_private); | |
1113 | } | |
1114 | ||
1115 | static const struct file_operations ab8500_gpadc_usb_charger_c_fops = { | |
1116 | .open = ab8500_gpadc_usb_charger_c_open, | |
1117 | .read = seq_read, | |
1118 | .llseek = seq_lseek, | |
1119 | .release = single_release, | |
1120 | .owner = THIS_MODULE, | |
1121 | }; | |
1122 | ||
1123 | static int ab8500_gpadc_bk_bat_v_print(struct seq_file *s, void *p) | |
1124 | { | |
1125 | int bk_bat_v_raw; | |
1126 | int bk_bat_v_convert; | |
1127 | struct ab8500_gpadc *gpadc; | |
1128 | ||
8908c049 | 1129 | gpadc = ab8500_gpadc_get("ab8500-gpadc.0"); |
1478a316 JB |
1130 | bk_bat_v_raw = ab8500_gpadc_read_raw(gpadc, BK_BAT_V); |
1131 | bk_bat_v_convert = ab8500_gpadc_ad_to_voltage(gpadc, | |
1132 | BK_BAT_V, bk_bat_v_raw); | |
1133 | ||
1134 | return seq_printf(s, "%d,0x%X\n", | |
1135 | bk_bat_v_convert, bk_bat_v_raw); | |
1136 | } | |
1137 | ||
1138 | static int ab8500_gpadc_bk_bat_v_open(struct inode *inode, struct file *file) | |
1139 | { | |
1140 | return single_open(file, ab8500_gpadc_bk_bat_v_print, inode->i_private); | |
1141 | } | |
1142 | ||
1143 | static const struct file_operations ab8500_gpadc_bk_bat_v_fops = { | |
1144 | .open = ab8500_gpadc_bk_bat_v_open, | |
1145 | .read = seq_read, | |
1146 | .llseek = seq_lseek, | |
1147 | .release = single_release, | |
1148 | .owner = THIS_MODULE, | |
1149 | }; | |
1150 | ||
1151 | static int ab8500_gpadc_die_temp_print(struct seq_file *s, void *p) | |
1152 | { | |
1153 | int die_temp_raw; | |
1154 | int die_temp_convert; | |
1155 | struct ab8500_gpadc *gpadc; | |
1156 | ||
8908c049 | 1157 | gpadc = ab8500_gpadc_get("ab8500-gpadc.0"); |
1478a316 JB |
1158 | die_temp_raw = ab8500_gpadc_read_raw(gpadc, DIE_TEMP); |
1159 | die_temp_convert = ab8500_gpadc_ad_to_voltage(gpadc, DIE_TEMP, | |
1160 | die_temp_raw); | |
1161 | ||
1162 | return seq_printf(s, "%d,0x%X\n", | |
1163 | die_temp_convert, die_temp_raw); | |
1164 | } | |
1165 | ||
1166 | static int ab8500_gpadc_die_temp_open(struct inode *inode, struct file *file) | |
1167 | { | |
1168 | return single_open(file, ab8500_gpadc_die_temp_print, inode->i_private); | |
1169 | } | |
1170 | ||
1171 | static const struct file_operations ab8500_gpadc_die_temp_fops = { | |
1172 | .open = ab8500_gpadc_die_temp_open, | |
1173 | .read = seq_read, | |
1174 | .llseek = seq_lseek, | |
1175 | .release = single_release, | |
1176 | .owner = THIS_MODULE, | |
1177 | }; | |
1178 | ||
0fbce76e | 1179 | /* |
1180 | * return length of an ASCII numerical value, 0 is string is not a | |
1181 | * numerical value. | |
1182 | * string shall start at value 1st char. | |
1183 | * string can be tailed with \0 or space or newline chars only. | |
1184 | * value can be decimal or hexadecimal (prefixed 0x or 0X). | |
1185 | */ | |
1186 | static int strval_len(char *b) | |
1187 | { | |
1188 | char *s = b; | |
1189 | if ((*s == '0') && ((*(s+1) == 'x') || (*(s+1) == 'X'))) { | |
1190 | s += 2; | |
1191 | for (; *s && (*s != ' ') && (*s != '\n'); s++) { | |
1192 | if (!isxdigit(*s)) | |
1193 | return 0; | |
1194 | } | |
1195 | } else { | |
1196 | if (*s == '-') | |
1197 | s++; | |
1198 | for (; *s && (*s != ' ') && (*s != '\n'); s++) { | |
1199 | if (!isdigit(*s)) | |
1200 | return 0; | |
1201 | } | |
1202 | } | |
1203 | return (int) (s-b); | |
1204 | } | |
1205 | ||
1206 | /* | |
1207 | * parse hwreg input data. | |
1208 | * update global hwreg_cfg only if input data syntax is ok. | |
1209 | */ | |
1210 | static ssize_t hwreg_common_write(char *b, struct hwreg_cfg *cfg, | |
1211 | struct device *dev) | |
1212 | { | |
1213 | uint write, val = 0; | |
1214 | u8 regvalue; | |
1215 | int ret; | |
1216 | struct hwreg_cfg loc = { | |
1217 | .bank = 0, /* default: invalid phys addr */ | |
1218 | .addr = 0, /* default: invalid phys addr */ | |
1219 | .fmt = 0, /* default: 32bit access, hex output */ | |
1220 | .mask = 0xFFFFFFFF, /* default: no mask */ | |
1221 | .shift = 0, /* default: no bit shift */ | |
1222 | }; | |
1223 | ||
1224 | /* read or write ? */ | |
1225 | if (!strncmp(b, "read ", 5)) { | |
1226 | write = 0; | |
1227 | b += 5; | |
1228 | } else if (!strncmp(b, "write ", 6)) { | |
1229 | write = 1; | |
1230 | b += 6; | |
1231 | } else | |
1232 | return -EINVAL; | |
1233 | ||
1234 | /* OPTIONS -l|-w|-b -s -m -o */ | |
1235 | while ((*b == ' ') || (*b == '-')) { | |
1236 | if (*(b-1) != ' ') { | |
1237 | b++; | |
1238 | continue; | |
1239 | } | |
1240 | if ((!strncmp(b, "-d ", 3)) || | |
1241 | (!strncmp(b, "-dec ", 5))) { | |
1242 | b += (*(b+2) == ' ') ? 3 : 5; | |
1243 | loc.fmt |= (1<<0); | |
1244 | } else if ((!strncmp(b, "-h ", 3)) || | |
1245 | (!strncmp(b, "-hex ", 5))) { | |
1246 | b += (*(b+2) == ' ') ? 3 : 5; | |
1247 | loc.fmt &= ~(1<<0); | |
1248 | } else if ((!strncmp(b, "-m ", 3)) || | |
1249 | (!strncmp(b, "-mask ", 6))) { | |
1250 | b += (*(b+2) == ' ') ? 3 : 6; | |
1251 | if (strval_len(b) == 0) | |
1252 | return -EINVAL; | |
1253 | loc.mask = simple_strtoul(b, &b, 0); | |
1254 | } else if ((!strncmp(b, "-s ", 3)) || | |
1255 | (!strncmp(b, "-shift ", 7))) { | |
1256 | b += (*(b+2) == ' ') ? 3 : 7; | |
1257 | if (strval_len(b) == 0) | |
1258 | return -EINVAL; | |
1259 | loc.shift = simple_strtol(b, &b, 0); | |
1260 | } else { | |
1261 | return -EINVAL; | |
1262 | } | |
1263 | } | |
1264 | /* get arg BANK and ADDRESS */ | |
1265 | if (strval_len(b) == 0) | |
1266 | return -EINVAL; | |
1267 | loc.bank = simple_strtoul(b, &b, 0); | |
1268 | while (*b == ' ') | |
1269 | b++; | |
1270 | if (strval_len(b) == 0) | |
1271 | return -EINVAL; | |
1272 | loc.addr = simple_strtoul(b, &b, 0); | |
1273 | ||
1274 | if (write) { | |
1275 | while (*b == ' ') | |
1276 | b++; | |
1277 | if (strval_len(b) == 0) | |
1278 | return -EINVAL; | |
1279 | val = simple_strtoul(b, &b, 0); | |
1280 | } | |
1281 | ||
1282 | /* args are ok, update target cfg (mainly for read) */ | |
1283 | *cfg = loc; | |
1284 | ||
1285 | #ifdef ABB_HWREG_DEBUG | |
1286 | pr_warn("HWREG request: %s, %s, addr=0x%08X, mask=0x%X, shift=%d" | |
1287 | "value=0x%X\n", (write) ? "write" : "read", | |
1288 | REG_FMT_DEC(cfg) ? "decimal" : "hexa", | |
1289 | cfg->addr, cfg->mask, cfg->shift, val); | |
1290 | #endif | |
1291 | ||
1292 | if (!write) | |
1293 | return 0; | |
1294 | ||
1295 | ret = abx500_get_register_interruptible(dev, | |
1296 | (u8)cfg->bank, (u8)cfg->addr, ®value); | |
1297 | if (ret < 0) { | |
1298 | dev_err(dev, "abx500_get_reg fail %d, %d\n", | |
1299 | ret, __LINE__); | |
1300 | return -EINVAL; | |
1301 | } | |
1302 | ||
1303 | if (cfg->shift >= 0) { | |
1304 | regvalue &= ~(cfg->mask << (cfg->shift)); | |
1305 | val = (val & cfg->mask) << (cfg->shift); | |
1306 | } else { | |
1307 | regvalue &= ~(cfg->mask >> (-cfg->shift)); | |
1308 | val = (val & cfg->mask) >> (-cfg->shift); | |
1309 | } | |
1310 | val = val | regvalue; | |
1311 | ||
1312 | ret = abx500_set_register_interruptible(dev, | |
1313 | (u8)cfg->bank, (u8)cfg->addr, (u8)val); | |
1314 | if (ret < 0) { | |
1315 | pr_err("abx500_set_reg failed %d, %d", ret, __LINE__); | |
1316 | return -EINVAL; | |
1317 | } | |
1318 | ||
1319 | return 0; | |
1320 | } | |
1321 | ||
1322 | static ssize_t ab8500_hwreg_write(struct file *file, | |
1323 | const char __user *user_buf, size_t count, loff_t *ppos) | |
1324 | { | |
1325 | struct device *dev = ((struct seq_file *)(file->private_data))->private; | |
1326 | char buf[128]; | |
1327 | int buf_size, ret; | |
1328 | ||
1329 | /* Get userspace string and assure termination */ | |
1330 | buf_size = min(count, (sizeof(buf)-1)); | |
1331 | if (copy_from_user(buf, user_buf, buf_size)) | |
1332 | return -EFAULT; | |
1333 | buf[buf_size] = 0; | |
1334 | ||
1335 | /* get args and process */ | |
1336 | ret = hwreg_common_write(buf, &hwreg_cfg, dev); | |
1337 | return (ret) ? ret : buf_size; | |
1338 | } | |
1339 | ||
1340 | /* | |
1341 | * - irq subscribe/unsubscribe stuff | |
1342 | */ | |
4b8ac082 LJ |
1343 | static int ab8500_subscribe_unsubscribe_print(struct seq_file *s, void *p) |
1344 | { | |
1345 | seq_printf(s, "%d\n", irq_first); | |
1346 | ||
1347 | return 0; | |
1348 | } | |
1349 | ||
1350 | static int ab8500_subscribe_unsubscribe_open(struct inode *inode, | |
1351 | struct file *file) | |
1352 | { | |
1353 | return single_open(file, ab8500_subscribe_unsubscribe_print, | |
1354 | inode->i_private); | |
1355 | } | |
1356 | ||
1357 | /* | |
0b337e70 | 1358 | * Userspace should use poll() on this file. When an event occur |
4b8ac082 LJ |
1359 | * the blocking poll will be released. |
1360 | */ | |
1361 | static ssize_t show_irq(struct device *dev, | |
1362 | struct device_attribute *attr, char *buf) | |
1363 | { | |
0b337e70 MW |
1364 | unsigned long name; |
1365 | unsigned int irq_index; | |
1366 | int err; | |
4b8ac082 | 1367 | |
0b337e70 MW |
1368 | err = strict_strtoul(attr->attr.name, 0, &name); |
1369 | if (err) | |
1370 | return err; | |
1371 | ||
1372 | irq_index = name - irq_first; | |
ddba25f1 | 1373 | if (irq_index >= num_irqs) |
0b337e70 MW |
1374 | return -EINVAL; |
1375 | else | |
1376 | return sprintf(buf, "%u\n", irq_count[irq_index]); | |
1377 | } | |
4b8ac082 LJ |
1378 | |
1379 | static ssize_t ab8500_subscribe_write(struct file *file, | |
1380 | const char __user *user_buf, | |
1381 | size_t count, loff_t *ppos) | |
1382 | { | |
1383 | struct device *dev = ((struct seq_file *)(file->private_data))->private; | |
1384 | char buf[32]; | |
1385 | int buf_size; | |
1386 | unsigned long user_val; | |
1387 | int err; | |
0b337e70 | 1388 | unsigned int irq_index; |
4b8ac082 LJ |
1389 | |
1390 | /* Get userspace string and assure termination */ | |
1391 | buf_size = min(count, (sizeof(buf)-1)); | |
1392 | if (copy_from_user(buf, user_buf, buf_size)) | |
1393 | return -EFAULT; | |
1394 | buf[buf_size] = 0; | |
1395 | ||
1396 | err = strict_strtoul(buf, 0, &user_val); | |
1397 | if (err) | |
1398 | return -EINVAL; | |
1399 | if (user_val < irq_first) { | |
1400 | dev_err(dev, "debugfs error input < %d\n", irq_first); | |
1401 | return -EINVAL; | |
1402 | } | |
1403 | if (user_val > irq_last) { | |
1404 | dev_err(dev, "debugfs error input > %d\n", irq_last); | |
1405 | return -EINVAL; | |
1406 | } | |
1407 | ||
0b337e70 | 1408 | irq_index = user_val - irq_first; |
ddba25f1 | 1409 | if (irq_index >= num_irqs) |
0b337e70 MW |
1410 | return -EINVAL; |
1411 | ||
4b8ac082 | 1412 | /* |
0b337e70 | 1413 | * This will create a sysfs file named <irq-nr> which userspace can |
4b8ac082 LJ |
1414 | * use to select or poll and get the AB8500 events |
1415 | */ | |
0b337e70 MW |
1416 | dev_attr[irq_index] = kmalloc(sizeof(struct device_attribute), |
1417 | GFP_KERNEL); | |
1418 | event_name[irq_index] = kmalloc(buf_size, GFP_KERNEL); | |
1419 | sprintf(event_name[irq_index], "%lu", user_val); | |
1420 | dev_attr[irq_index]->show = show_irq; | |
1421 | dev_attr[irq_index]->store = NULL; | |
1422 | dev_attr[irq_index]->attr.name = event_name[irq_index]; | |
1423 | dev_attr[irq_index]->attr.mode = S_IRUGO; | |
1424 | err = sysfs_create_file(&dev->kobj, &dev_attr[irq_index]->attr); | |
4b8ac082 LJ |
1425 | if (err < 0) { |
1426 | printk(KERN_ERR "sysfs_create_file failed %d\n", err); | |
1427 | return err; | |
1428 | } | |
1429 | ||
1430 | err = request_threaded_irq(user_val, NULL, ab8500_debug_handler, | |
1431 | IRQF_SHARED | IRQF_NO_SUSPEND, | |
1432 | "ab8500-debug", &dev->kobj); | |
1433 | if (err < 0) { | |
1434 | printk(KERN_ERR "request_threaded_irq failed %d, %lu\n", | |
1435 | err, user_val); | |
0b337e70 | 1436 | sysfs_remove_file(&dev->kobj, &dev_attr[irq_index]->attr); |
4b8ac082 LJ |
1437 | return err; |
1438 | } | |
1439 | ||
1440 | return buf_size; | |
1441 | } | |
1442 | ||
1443 | static ssize_t ab8500_unsubscribe_write(struct file *file, | |
1444 | const char __user *user_buf, | |
1445 | size_t count, loff_t *ppos) | |
1446 | { | |
1447 | struct device *dev = ((struct seq_file *)(file->private_data))->private; | |
1448 | char buf[32]; | |
1449 | int buf_size; | |
1450 | unsigned long user_val; | |
1451 | int err; | |
0b337e70 | 1452 | unsigned int irq_index; |
4b8ac082 LJ |
1453 | |
1454 | /* Get userspace string and assure termination */ | |
1455 | buf_size = min(count, (sizeof(buf)-1)); | |
1456 | if (copy_from_user(buf, user_buf, buf_size)) | |
1457 | return -EFAULT; | |
1458 | buf[buf_size] = 0; | |
1459 | ||
1460 | err = strict_strtoul(buf, 0, &user_val); | |
1461 | if (err) | |
1462 | return -EINVAL; | |
1463 | if (user_val < irq_first) { | |
1464 | dev_err(dev, "debugfs error input < %d\n", irq_first); | |
1465 | return -EINVAL; | |
1466 | } | |
1467 | if (user_val > irq_last) { | |
1468 | dev_err(dev, "debugfs error input > %d\n", irq_last); | |
1469 | return -EINVAL; | |
1470 | } | |
1471 | ||
0b337e70 | 1472 | irq_index = user_val - irq_first; |
ddba25f1 | 1473 | if (irq_index >= num_irqs) |
0b337e70 MW |
1474 | return -EINVAL; |
1475 | ||
1476 | /* Set irq count to 0 when unsubscribe */ | |
1477 | irq_count[irq_index] = 0; | |
1478 | ||
1479 | if (dev_attr[irq_index]) | |
1480 | sysfs_remove_file(&dev->kobj, &dev_attr[irq_index]->attr); | |
4b8ac082 | 1481 | |
0b337e70 MW |
1482 | |
1483 | free_irq(user_val, &dev->kobj); | |
1484 | kfree(event_name[irq_index]); | |
1485 | kfree(dev_attr[irq_index]); | |
4b8ac082 LJ |
1486 | |
1487 | return buf_size; | |
1488 | } | |
1489 | ||
0fbce76e | 1490 | /* |
1491 | * - several deubgfs nodes fops | |
1492 | */ | |
1493 | ||
5814fc35 | 1494 | static const struct file_operations ab8500_bank_fops = { |
d7b9f322 MW |
1495 | .open = ab8500_bank_open, |
1496 | .write = ab8500_bank_write, | |
1497 | .read = seq_read, | |
1498 | .llseek = seq_lseek, | |
1499 | .release = single_release, | |
1500 | .owner = THIS_MODULE, | |
5814fc35 MW |
1501 | }; |
1502 | ||
1503 | static const struct file_operations ab8500_address_fops = { | |
d7b9f322 MW |
1504 | .open = ab8500_address_open, |
1505 | .write = ab8500_address_write, | |
1506 | .read = seq_read, | |
1507 | .llseek = seq_lseek, | |
1508 | .release = single_release, | |
1509 | .owner = THIS_MODULE, | |
5814fc35 MW |
1510 | }; |
1511 | ||
1512 | static const struct file_operations ab8500_val_fops = { | |
d7b9f322 MW |
1513 | .open = ab8500_val_open, |
1514 | .write = ab8500_val_write, | |
1515 | .read = seq_read, | |
1516 | .llseek = seq_lseek, | |
1517 | .release = single_release, | |
1518 | .owner = THIS_MODULE, | |
5814fc35 MW |
1519 | }; |
1520 | ||
8f0eb43b BJ |
1521 | static const struct file_operations ab8500_interrupts_fops = { |
1522 | .open = ab8500_interrupts_open, | |
1523 | .read = seq_read, | |
1524 | .llseek = seq_lseek, | |
1525 | .release = single_release, | |
1526 | .owner = THIS_MODULE, | |
1527 | }; | |
1528 | ||
4b8ac082 LJ |
1529 | static const struct file_operations ab8500_subscribe_fops = { |
1530 | .open = ab8500_subscribe_unsubscribe_open, | |
1531 | .write = ab8500_subscribe_write, | |
1532 | .read = seq_read, | |
1533 | .llseek = seq_lseek, | |
1534 | .release = single_release, | |
1535 | .owner = THIS_MODULE, | |
1536 | }; | |
1537 | ||
1538 | static const struct file_operations ab8500_unsubscribe_fops = { | |
1539 | .open = ab8500_subscribe_unsubscribe_open, | |
1540 | .write = ab8500_unsubscribe_write, | |
1541 | .read = seq_read, | |
1542 | .llseek = seq_lseek, | |
1543 | .release = single_release, | |
1544 | .owner = THIS_MODULE, | |
1545 | }; | |
1546 | ||
0fbce76e | 1547 | static const struct file_operations ab8500_hwreg_fops = { |
1548 | .open = ab8500_hwreg_open, | |
1549 | .write = ab8500_hwreg_write, | |
1550 | .read = seq_read, | |
1551 | .llseek = seq_lseek, | |
1552 | .release = single_release, | |
1553 | .owner = THIS_MODULE, | |
1554 | }; | |
1555 | ||
5814fc35 | 1556 | static struct dentry *ab8500_dir; |
1478a316 | 1557 | static struct dentry *ab8500_gpadc_dir; |
5814fc35 | 1558 | |
f791be49 | 1559 | static int ab8500_debug_probe(struct platform_device *plf) |
5814fc35 | 1560 | { |
0fbce76e | 1561 | struct dentry *file; |
ddba25f1 LW |
1562 | int ret = -ENOMEM; |
1563 | struct ab8500 *ab8500; | |
d7b9f322 MW |
1564 | debug_bank = AB8500_MISC; |
1565 | debug_address = AB8500_REV_REG & 0x00FF; | |
5814fc35 | 1566 | |
ddba25f1 LW |
1567 | ab8500 = dev_get_drvdata(plf->dev.parent); |
1568 | num_irqs = ab8500->mask_size; | |
1569 | ||
70bad04f | 1570 | irq_count = kzalloc(sizeof(*irq_count)*num_irqs, GFP_KERNEL); |
ddba25f1 LW |
1571 | if (!irq_count) |
1572 | return -ENOMEM; | |
1573 | ||
1574 | dev_attr = kzalloc(sizeof(*dev_attr)*num_irqs,GFP_KERNEL); | |
1575 | if (!dev_attr) | |
1576 | goto out_freeirq_count; | |
1577 | ||
1578 | event_name = kzalloc(sizeof(*event_name)*num_irqs, GFP_KERNEL); | |
1579 | if (!event_name) | |
1580 | goto out_freedev_attr; | |
1581 | ||
4b8ac082 LJ |
1582 | irq_first = platform_get_irq_byname(plf, "IRQ_FIRST"); |
1583 | if (irq_first < 0) { | |
1584 | dev_err(&plf->dev, "First irq not found, err %d\n", | |
1478a316 | 1585 | irq_first); |
ddba25f1 LW |
1586 | ret = irq_first; |
1587 | goto out_freeevent_name; | |
4b8ac082 LJ |
1588 | } |
1589 | ||
1590 | irq_last = platform_get_irq_byname(plf, "IRQ_LAST"); | |
1591 | if (irq_last < 0) { | |
1592 | dev_err(&plf->dev, "Last irq not found, err %d\n", | |
1478a316 | 1593 | irq_last); |
ddba25f1 LW |
1594 | ret = irq_last; |
1595 | goto out_freeevent_name; | |
4b8ac082 LJ |
1596 | } |
1597 | ||
d7b9f322 MW |
1598 | ab8500_dir = debugfs_create_dir(AB8500_NAME_STRING, NULL); |
1599 | if (!ab8500_dir) | |
0fbce76e | 1600 | goto err; |
5814fc35 | 1601 | |
1478a316 JB |
1602 | ab8500_gpadc_dir = debugfs_create_dir(AB8500_ADC_NAME_STRING, |
1603 | ab8500_dir); | |
1604 | if (!ab8500_gpadc_dir) | |
1605 | goto err; | |
1606 | ||
1607 | file = debugfs_create_file("all-bank-registers", S_IRUGO, | |
1608 | ab8500_dir, &plf->dev, &ab8500_registers_fops); | |
1609 | if (!file) | |
1610 | goto err; | |
1611 | ||
42002c6d MYK |
1612 | file = debugfs_create_file("all-banks", S_IRUGO, |
1613 | ab8500_dir, &plf->dev, &ab8500_all_banks_fops); | |
1614 | if (!file) | |
1615 | goto err; | |
1616 | ||
1478a316 JB |
1617 | file = debugfs_create_file("register-bank", (S_IRUGO | S_IWUSR), |
1618 | ab8500_dir, &plf->dev, &ab8500_bank_fops); | |
1619 | if (!file) | |
1620 | goto err; | |
1621 | ||
1622 | file = debugfs_create_file("register-address", (S_IRUGO | S_IWUSR), | |
1623 | ab8500_dir, &plf->dev, &ab8500_address_fops); | |
1624 | if (!file) | |
1625 | goto err; | |
1626 | ||
1627 | file = debugfs_create_file("register-value", (S_IRUGO | S_IWUSR), | |
1628 | ab8500_dir, &plf->dev, &ab8500_val_fops); | |
1629 | if (!file) | |
1630 | goto err; | |
1631 | ||
1632 | file = debugfs_create_file("irq-subscribe", (S_IRUGO | S_IWUSR), | |
1633 | ab8500_dir, &plf->dev, &ab8500_subscribe_fops); | |
1634 | if (!file) | |
1635 | goto err; | |
1636 | ||
8f0eb43b BJ |
1637 | if (is_ab8500(ab8500)) |
1638 | num_interrupt_lines = AB8500_NR_IRQS; | |
1639 | else if (is_ab8505(ab8500)) | |
1640 | num_interrupt_lines = AB8505_NR_IRQS; | |
1641 | else if (is_ab9540(ab8500)) | |
1642 | num_interrupt_lines = AB9540_NR_IRQS; | |
1643 | ||
1644 | file = debugfs_create_file("interrupts", (S_IRUGO), | |
1645 | ab8500_dir, &plf->dev, &ab8500_interrupts_fops); | |
1646 | if (!file) | |
1647 | goto err; | |
1648 | ||
1478a316 JB |
1649 | file = debugfs_create_file("irq-unsubscribe", (S_IRUGO | S_IWUSR), |
1650 | ab8500_dir, &plf->dev, &ab8500_unsubscribe_fops); | |
1651 | if (!file) | |
1652 | goto err; | |
1653 | ||
1654 | file = debugfs_create_file("hwreg", (S_IRUGO | S_IWUSR), | |
1655 | ab8500_dir, &plf->dev, &ab8500_hwreg_fops); | |
1656 | if (!file) | |
1657 | goto err; | |
1658 | ||
1659 | file = debugfs_create_file("bat_ctrl", (S_IRUGO | S_IWUSR), | |
1660 | ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_bat_ctrl_fops); | |
1661 | if (!file) | |
1662 | goto err; | |
1663 | ||
1664 | file = debugfs_create_file("btemp_ball", (S_IRUGO | S_IWUSR), | |
1665 | ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_btemp_ball_fops); | |
1666 | if (!file) | |
1667 | goto err; | |
1668 | ||
1669 | file = debugfs_create_file("main_charger_v", (S_IRUGO | S_IWUSR), | |
1670 | ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_main_charger_v_fops); | |
1671 | if (!file) | |
1672 | goto err; | |
1673 | ||
1674 | file = debugfs_create_file("acc_detect1", (S_IRUGO | S_IWUSR), | |
1675 | ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_acc_detect1_fops); | |
1676 | if (!file) | |
1677 | goto err; | |
1678 | ||
1679 | file = debugfs_create_file("acc_detect2", (S_IRUGO | S_IWUSR), | |
1680 | ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_acc_detect2_fops); | |
1681 | if (!file) | |
1682 | goto err; | |
1683 | ||
1684 | file = debugfs_create_file("adc_aux1", (S_IRUGO | S_IWUSR), | |
1685 | ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_aux1_fops); | |
1686 | if (!file) | |
1687 | goto err; | |
1688 | ||
1689 | file = debugfs_create_file("adc_aux2", (S_IRUGO | S_IWUSR), | |
1690 | ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_aux2_fops); | |
0fbce76e | 1691 | if (!file) |
1692 | goto err; | |
5814fc35 | 1693 | |
1478a316 JB |
1694 | file = debugfs_create_file("main_bat_v", (S_IRUGO | S_IWUSR), |
1695 | ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_main_bat_v_fops); | |
0fbce76e | 1696 | if (!file) |
1697 | goto err; | |
5814fc35 | 1698 | |
1478a316 JB |
1699 | file = debugfs_create_file("vbus_v", (S_IRUGO | S_IWUSR), |
1700 | ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_vbus_v_fops); | |
0fbce76e | 1701 | if (!file) |
1702 | goto err; | |
5814fc35 | 1703 | |
1478a316 JB |
1704 | file = debugfs_create_file("main_charger_c", (S_IRUGO | S_IWUSR), |
1705 | ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_main_charger_c_fops); | |
0fbce76e | 1706 | if (!file) |
1707 | goto err; | |
1708 | ||
1478a316 JB |
1709 | file = debugfs_create_file("usb_charger_c", (S_IRUGO | S_IWUSR), |
1710 | ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_usb_charger_c_fops); | |
0fbce76e | 1711 | if (!file) |
1712 | goto err; | |
1713 | ||
1478a316 JB |
1714 | file = debugfs_create_file("bk_bat_v", (S_IRUGO | S_IWUSR), |
1715 | ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_bk_bat_v_fops); | |
0fbce76e | 1716 | if (!file) |
1717 | goto err; | |
1718 | ||
1478a316 JB |
1719 | file = debugfs_create_file("die_temp", (S_IRUGO | S_IWUSR), |
1720 | ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_die_temp_fops); | |
0fbce76e | 1721 | if (!file) |
1722 | goto err; | |
4b8ac082 | 1723 | |
d7b9f322 | 1724 | return 0; |
5814fc35 | 1725 | |
0fbce76e | 1726 | err: |
1727 | if (ab8500_dir) | |
1728 | debugfs_remove_recursive(ab8500_dir); | |
d7b9f322 | 1729 | dev_err(&plf->dev, "failed to create debugfs entries.\n"); |
ddba25f1 LW |
1730 | out_freeevent_name: |
1731 | kfree(event_name); | |
1732 | out_freedev_attr: | |
1733 | kfree(dev_attr); | |
1734 | out_freeirq_count: | |
1735 | kfree(irq_count); | |
1736 | ||
1737 | return ret; | |
5814fc35 MW |
1738 | } |
1739 | ||
4740f73f | 1740 | static int ab8500_debug_remove(struct platform_device *plf) |
5814fc35 | 1741 | { |
0fbce76e | 1742 | debugfs_remove_recursive(ab8500_dir); |
ddba25f1 LW |
1743 | kfree(event_name); |
1744 | kfree(dev_attr); | |
1745 | kfree(irq_count); | |
1746 | ||
d7b9f322 | 1747 | return 0; |
5814fc35 MW |
1748 | } |
1749 | ||
1750 | static struct platform_driver ab8500_debug_driver = { | |
d7b9f322 MW |
1751 | .driver = { |
1752 | .name = "ab8500-debug", | |
1753 | .owner = THIS_MODULE, | |
1754 | }, | |
1755 | .probe = ab8500_debug_probe, | |
84449216 | 1756 | .remove = ab8500_debug_remove |
5814fc35 MW |
1757 | }; |
1758 | ||
1759 | static int __init ab8500_debug_init(void) | |
1760 | { | |
d7b9f322 | 1761 | return platform_driver_register(&ab8500_debug_driver); |
5814fc35 MW |
1762 | } |
1763 | ||
1764 | static void __exit ab8500_debug_exit(void) | |
1765 | { | |
d7b9f322 | 1766 | platform_driver_unregister(&ab8500_debug_driver); |
5814fc35 MW |
1767 | } |
1768 | subsys_initcall(ab8500_debug_init); | |
1769 | module_exit(ab8500_debug_exit); | |
1770 | ||
1771 | MODULE_AUTHOR("Mattias WALLIN <mattias.wallin@stericsson.com"); | |
1772 | MODULE_DESCRIPTION("AB8500 DEBUG"); | |
1773 | MODULE_LICENSE("GPL v2"); |