ab8500-debugfs.c 69 KB

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  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. */
  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. */
  73. #include <linux/seq_file.h>
  74. #include <linux/uaccess.h>
  75. #include <linux/fs.h>
  76. #include <linux/module.h>
  77. #include <linux/debugfs.h>
  78. #include <linux/platform_device.h>
  79. #include <linux/interrupt.h>
  80. #include <linux/kobject.h>
  81. #include <linux/slab.h>
  82. #include <linux/irq.h>
  83. #include <linux/mfd/abx500.h>
  84. #include <linux/mfd/abx500/ab8500.h>
  85. #include <linux/mfd/abx500/ab8500-gpadc.h>
  86. #ifdef CONFIG_DEBUG_FS
  87. #include <linux/string.h>
  88. #include <linux/ctype.h>
  89. #endif
  90. /* TODO: this file should not reference IRQ_DB8500_AB8500! */
  91. #include <mach/irqs.h>
  92. static u32 debug_bank;
  93. static u32 debug_address;
  94. static int irq_first;
  95. static int irq_last;
  96. static u32 *irq_count;
  97. static int num_irqs;
  98. static struct device_attribute **dev_attr;
  99. static char **event_name;
  100. static u8 avg_sample = SAMPLE_16;
  101. static u8 trig_edge = RISING_EDGE;
  102. static u8 conv_type = ADC_SW;
  103. static u8 trig_timer;
  104. /**
  105. * struct ab8500_reg_range
  106. * @first: the first address of the range
  107. * @last: the last address of the range
  108. * @perm: access permissions for the range
  109. */
  110. struct ab8500_reg_range {
  111. u8 first;
  112. u8 last;
  113. u8 perm;
  114. };
  115. /**
  116. * struct ab8500_prcmu_ranges
  117. * @num_ranges: the number of ranges in the list
  118. * @bankid: bank identifier
  119. * @range: the list of register ranges
  120. */
  121. struct ab8500_prcmu_ranges {
  122. u8 num_ranges;
  123. u8 bankid;
  124. const struct ab8500_reg_range *range;
  125. };
  126. /* hwreg- "mask" and "shift" entries ressources */
  127. struct hwreg_cfg {
  128. u32 bank; /* target bank */
  129. u32 addr; /* target address */
  130. uint fmt; /* format */
  131. uint mask; /* read/write mask, applied before any bit shift */
  132. int shift; /* bit shift (read:right shift, write:left shift */
  133. };
  134. /* fmt bit #0: 0=hexa, 1=dec */
  135. #define REG_FMT_DEC(c) ((c)->fmt & 0x1)
  136. #define REG_FMT_HEX(c) (!REG_FMT_DEC(c))
  137. static struct hwreg_cfg hwreg_cfg = {
  138. .addr = 0, /* default: invalid phys addr */
  139. .fmt = 0, /* default: 32bit access, hex output */
  140. .mask = 0xFFFFFFFF, /* default: no mask */
  141. .shift = 0, /* default: no bit shift */
  142. };
  143. #define AB8500_NAME_STRING "ab8500"
  144. #define AB8500_ADC_NAME_STRING "gpadc"
  145. #define AB8500_NUM_BANKS 24
  146. #define AB8500_REV_REG 0x80
  147. static struct ab8500_prcmu_ranges *debug_ranges;
  148. struct ab8500_prcmu_ranges ab8500_debug_ranges[AB8500_NUM_BANKS] = {
  149. [0x0] = {
  150. .num_ranges = 0,
  151. .range = NULL,
  152. },
  153. [AB8500_SYS_CTRL1_BLOCK] = {
  154. .num_ranges = 3,
  155. .range = (struct ab8500_reg_range[]) {
  156. {
  157. .first = 0x00,
  158. .last = 0x02,
  159. },
  160. {
  161. .first = 0x42,
  162. .last = 0x42,
  163. },
  164. {
  165. .first = 0x80,
  166. .last = 0x81,
  167. },
  168. },
  169. },
  170. [AB8500_SYS_CTRL2_BLOCK] = {
  171. .num_ranges = 4,
  172. .range = (struct ab8500_reg_range[]) {
  173. {
  174. .first = 0x00,
  175. .last = 0x0D,
  176. },
  177. {
  178. .first = 0x0F,
  179. .last = 0x17,
  180. },
  181. {
  182. .first = 0x30,
  183. .last = 0x30,
  184. },
  185. {
  186. .first = 0x32,
  187. .last = 0x33,
  188. },
  189. },
  190. },
  191. [AB8500_REGU_CTRL1] = {
  192. .num_ranges = 3,
  193. .range = (struct ab8500_reg_range[]) {
  194. {
  195. .first = 0x00,
  196. .last = 0x00,
  197. },
  198. {
  199. .first = 0x03,
  200. .last = 0x10,
  201. },
  202. {
  203. .first = 0x80,
  204. .last = 0x84,
  205. },
  206. },
  207. },
  208. [AB8500_REGU_CTRL2] = {
  209. .num_ranges = 5,
  210. .range = (struct ab8500_reg_range[]) {
  211. {
  212. .first = 0x00,
  213. .last = 0x15,
  214. },
  215. {
  216. .first = 0x17,
  217. .last = 0x19,
  218. },
  219. {
  220. .first = 0x1B,
  221. .last = 0x1D,
  222. },
  223. {
  224. .first = 0x1F,
  225. .last = 0x22,
  226. },
  227. {
  228. .first = 0x40,
  229. .last = 0x44,
  230. },
  231. /* 0x80-0x8B is SIM registers and should
  232. * not be accessed from here */
  233. },
  234. },
  235. [AB8500_USB] = {
  236. .num_ranges = 2,
  237. .range = (struct ab8500_reg_range[]) {
  238. {
  239. .first = 0x80,
  240. .last = 0x83,
  241. },
  242. {
  243. .first = 0x87,
  244. .last = 0x8A,
  245. },
  246. },
  247. },
  248. [AB8500_TVOUT] = {
  249. .num_ranges = 9,
  250. .range = (struct ab8500_reg_range[]) {
  251. {
  252. .first = 0x00,
  253. .last = 0x12,
  254. },
  255. {
  256. .first = 0x15,
  257. .last = 0x17,
  258. },
  259. {
  260. .first = 0x19,
  261. .last = 0x21,
  262. },
  263. {
  264. .first = 0x27,
  265. .last = 0x2C,
  266. },
  267. {
  268. .first = 0x41,
  269. .last = 0x41,
  270. },
  271. {
  272. .first = 0x45,
  273. .last = 0x5B,
  274. },
  275. {
  276. .first = 0x5D,
  277. .last = 0x5D,
  278. },
  279. {
  280. .first = 0x69,
  281. .last = 0x69,
  282. },
  283. {
  284. .first = 0x80,
  285. .last = 0x81,
  286. },
  287. },
  288. },
  289. [AB8500_DBI] = {
  290. .num_ranges = 0,
  291. .range = NULL,
  292. },
  293. [AB8500_ECI_AV_ACC] = {
  294. .num_ranges = 1,
  295. .range = (struct ab8500_reg_range[]) {
  296. {
  297. .first = 0x80,
  298. .last = 0x82,
  299. },
  300. },
  301. },
  302. [0x9] = {
  303. .num_ranges = 0,
  304. .range = NULL,
  305. },
  306. [AB8500_GPADC] = {
  307. .num_ranges = 1,
  308. .range = (struct ab8500_reg_range[]) {
  309. {
  310. .first = 0x00,
  311. .last = 0x08,
  312. },
  313. },
  314. },
  315. [AB8500_CHARGER] = {
  316. .num_ranges = 9,
  317. .range = (struct ab8500_reg_range[]) {
  318. {
  319. .first = 0x00,
  320. .last = 0x03,
  321. },
  322. {
  323. .first = 0x05,
  324. .last = 0x05,
  325. },
  326. {
  327. .first = 0x40,
  328. .last = 0x40,
  329. },
  330. {
  331. .first = 0x42,
  332. .last = 0x42,
  333. },
  334. {
  335. .first = 0x44,
  336. .last = 0x44,
  337. },
  338. {
  339. .first = 0x50,
  340. .last = 0x55,
  341. },
  342. {
  343. .first = 0x80,
  344. .last = 0x82,
  345. },
  346. {
  347. .first = 0xC0,
  348. .last = 0xC2,
  349. },
  350. {
  351. .first = 0xf5,
  352. .last = 0xf6,
  353. },
  354. },
  355. },
  356. [AB8500_GAS_GAUGE] = {
  357. .num_ranges = 3,
  358. .range = (struct ab8500_reg_range[]) {
  359. {
  360. .first = 0x00,
  361. .last = 0x00,
  362. },
  363. {
  364. .first = 0x07,
  365. .last = 0x0A,
  366. },
  367. {
  368. .first = 0x10,
  369. .last = 0x14,
  370. },
  371. },
  372. },
  373. [AB8500_DEVELOPMENT] = {
  374. .num_ranges = 1,
  375. .range = (struct ab8500_reg_range[]) {
  376. {
  377. .first = 0x00,
  378. .last = 0x00,
  379. },
  380. },
  381. },
  382. [AB8500_DEBUG] = {
  383. .num_ranges = 1,
  384. .range = (struct ab8500_reg_range[]) {
  385. {
  386. .first = 0x05,
  387. .last = 0x07,
  388. },
  389. },
  390. },
  391. [AB8500_AUDIO] = {
  392. .num_ranges = 1,
  393. .range = (struct ab8500_reg_range[]) {
  394. {
  395. .first = 0x00,
  396. .last = 0x6F,
  397. },
  398. },
  399. },
  400. [AB8500_INTERRUPT] = {
  401. .num_ranges = 0,
  402. .range = NULL,
  403. },
  404. [AB8500_RTC] = {
  405. .num_ranges = 1,
  406. .range = (struct ab8500_reg_range[]) {
  407. {
  408. .first = 0x00,
  409. .last = 0x0F,
  410. },
  411. },
  412. },
  413. [AB8500_MISC] = {
  414. .num_ranges = 8,
  415. .range = (struct ab8500_reg_range[]) {
  416. {
  417. .first = 0x00,
  418. .last = 0x05,
  419. },
  420. {
  421. .first = 0x10,
  422. .last = 0x15,
  423. },
  424. {
  425. .first = 0x20,
  426. .last = 0x25,
  427. },
  428. {
  429. .first = 0x30,
  430. .last = 0x35,
  431. },
  432. {
  433. .first = 0x40,
  434. .last = 0x45,
  435. },
  436. {
  437. .first = 0x50,
  438. .last = 0x50,
  439. },
  440. {
  441. .first = 0x60,
  442. .last = 0x67,
  443. },
  444. {
  445. .first = 0x80,
  446. .last = 0x80,
  447. },
  448. },
  449. },
  450. [0x11] = {
  451. .num_ranges = 0,
  452. .range = NULL,
  453. },
  454. [0x12] = {
  455. .num_ranges = 0,
  456. .range = NULL,
  457. },
  458. [0x13] = {
  459. .num_ranges = 0,
  460. .range = NULL,
  461. },
  462. [0x14] = {
  463. .num_ranges = 0,
  464. .range = NULL,
  465. },
  466. [AB8500_OTP_EMUL] = {
  467. .num_ranges = 1,
  468. .range = (struct ab8500_reg_range[]) {
  469. {
  470. .first = 0x01,
  471. .last = 0x0F,
  472. },
  473. },
  474. },
  475. };
  476. struct ab8500_prcmu_ranges ab8505_debug_ranges[AB8500_NUM_BANKS] = {
  477. [0x0] = {
  478. .num_ranges = 0,
  479. .range = NULL,
  480. },
  481. [AB8500_SYS_CTRL1_BLOCK] = {
  482. .num_ranges = 5,
  483. .range = (struct ab8500_reg_range[]) {
  484. {
  485. .first = 0x00,
  486. .last = 0x04,
  487. },
  488. {
  489. .first = 0x42,
  490. .last = 0x42,
  491. },
  492. {
  493. .first = 0x52,
  494. .last = 0x52,
  495. },
  496. {
  497. .first = 0x54,
  498. .last = 0x57,
  499. },
  500. {
  501. .first = 0x80,
  502. .last = 0x83,
  503. },
  504. },
  505. },
  506. [AB8500_SYS_CTRL2_BLOCK] = {
  507. .num_ranges = 5,
  508. .range = (struct ab8500_reg_range[]) {
  509. {
  510. .first = 0x00,
  511. .last = 0x0D,
  512. },
  513. {
  514. .first = 0x0F,
  515. .last = 0x17,
  516. },
  517. {
  518. .first = 0x20,
  519. .last = 0x20,
  520. },
  521. {
  522. .first = 0x30,
  523. .last = 0x30,
  524. },
  525. {
  526. .first = 0x32,
  527. .last = 0x3A,
  528. },
  529. },
  530. },
  531. [AB8500_REGU_CTRL1] = {
  532. .num_ranges = 3,
  533. .range = (struct ab8500_reg_range[]) {
  534. {
  535. .first = 0x00,
  536. .last = 0x00,
  537. },
  538. {
  539. .first = 0x03,
  540. .last = 0x11,
  541. },
  542. {
  543. .first = 0x80,
  544. .last = 0x86,
  545. },
  546. },
  547. },
  548. [AB8500_REGU_CTRL2] = {
  549. .num_ranges = 6,
  550. .range = (struct ab8500_reg_range[]) {
  551. {
  552. .first = 0x00,
  553. .last = 0x06,
  554. },
  555. {
  556. .first = 0x08,
  557. .last = 0x15,
  558. },
  559. {
  560. .first = 0x17,
  561. .last = 0x19,
  562. },
  563. {
  564. .first = 0x1B,
  565. .last = 0x1D,
  566. },
  567. {
  568. .first = 0x1F,
  569. .last = 0x30,
  570. },
  571. {
  572. .first = 0x40,
  573. .last = 0x48,
  574. },
  575. /* 0x80-0x8B is SIM registers and should
  576. * not be accessed from here */
  577. },
  578. },
  579. [AB8500_USB] = {
  580. .num_ranges = 3,
  581. .range = (struct ab8500_reg_range[]) {
  582. {
  583. .first = 0x80,
  584. .last = 0x83,
  585. },
  586. {
  587. .first = 0x87,
  588. .last = 0x8A,
  589. },
  590. {
  591. .first = 0x91,
  592. .last = 0x94,
  593. },
  594. },
  595. },
  596. [AB8500_TVOUT] = {
  597. .num_ranges = 0,
  598. .range = NULL,
  599. },
  600. [AB8500_DBI] = {
  601. .num_ranges = 0,
  602. .range = NULL,
  603. },
  604. [AB8500_ECI_AV_ACC] = {
  605. .num_ranges = 1,
  606. .range = (struct ab8500_reg_range[]) {
  607. {
  608. .first = 0x80,
  609. .last = 0x82,
  610. },
  611. },
  612. },
  613. [AB8500_RESERVED] = {
  614. .num_ranges = 0,
  615. .range = NULL,
  616. },
  617. [AB8500_GPADC] = {
  618. .num_ranges = 1,
  619. .range = (struct ab8500_reg_range[]) {
  620. {
  621. .first = 0x00,
  622. .last = 0x08,
  623. },
  624. },
  625. },
  626. [AB8500_CHARGER] = {
  627. .num_ranges = 9,
  628. .range = (struct ab8500_reg_range[]) {
  629. {
  630. .first = 0x02,
  631. .last = 0x03,
  632. },
  633. {
  634. .first = 0x05,
  635. .last = 0x05,
  636. },
  637. {
  638. .first = 0x40,
  639. .last = 0x44,
  640. },
  641. {
  642. .first = 0x50,
  643. .last = 0x57,
  644. },
  645. {
  646. .first = 0x60,
  647. .last = 0x60,
  648. },
  649. {
  650. .first = 0xA0,
  651. .last = 0xA7,
  652. },
  653. {
  654. .first = 0xAF,
  655. .last = 0xB2,
  656. },
  657. {
  658. .first = 0xC0,
  659. .last = 0xC2,
  660. },
  661. {
  662. .first = 0xF5,
  663. .last = 0xF5,
  664. },
  665. },
  666. },
  667. [AB8500_GAS_GAUGE] = {
  668. .num_ranges = 3,
  669. .range = (struct ab8500_reg_range[]) {
  670. {
  671. .first = 0x00,
  672. .last = 0x00,
  673. },
  674. {
  675. .first = 0x07,
  676. .last = 0x0A,
  677. },
  678. {
  679. .first = 0x10,
  680. .last = 0x14,
  681. },
  682. },
  683. },
  684. [AB8500_AUDIO] = {
  685. .num_ranges = 1,
  686. .range = (struct ab8500_reg_range[]) {
  687. {
  688. .first = 0x00,
  689. .last = 0x83,
  690. },
  691. },
  692. },
  693. [AB8500_INTERRUPT] = {
  694. .num_ranges = 11,
  695. .range = (struct ab8500_reg_range[]) {
  696. {
  697. .first = 0x00,
  698. .last = 0x04,
  699. },
  700. {
  701. .first = 0x06,
  702. .last = 0x07,
  703. },
  704. {
  705. .first = 0x09,
  706. .last = 0x09,
  707. },
  708. {
  709. .first = 0x0B,
  710. .last = 0x0C,
  711. },
  712. {
  713. .first = 0x12,
  714. .last = 0x15,
  715. },
  716. {
  717. .first = 0x18,
  718. .last = 0x18,
  719. },
  720. /* Latch registers should not be read here */
  721. {
  722. .first = 0x40,
  723. .last = 0x44,
  724. },
  725. {
  726. .first = 0x46,
  727. .last = 0x49,
  728. },
  729. {
  730. .first = 0x4B,
  731. .last = 0x4D,
  732. },
  733. {
  734. .first = 0x52,
  735. .last = 0x55,
  736. },
  737. {
  738. .first = 0x58,
  739. .last = 0x58,
  740. },
  741. /* LatchHier registers should not be read here */
  742. },
  743. },
  744. [AB8500_RTC] = {
  745. .num_ranges = 2,
  746. .range = (struct ab8500_reg_range[]) {
  747. {
  748. .first = 0x00,
  749. .last = 0x14,
  750. },
  751. {
  752. .first = 0x16,
  753. .last = 0x17,
  754. },
  755. },
  756. },
  757. [AB8500_MISC] = {
  758. .num_ranges = 8,
  759. .range = (struct ab8500_reg_range[]) {
  760. {
  761. .first = 0x00,
  762. .last = 0x06,
  763. },
  764. {
  765. .first = 0x10,
  766. .last = 0x16,
  767. },
  768. {
  769. .first = 0x20,
  770. .last = 0x26,
  771. },
  772. {
  773. .first = 0x30,
  774. .last = 0x36,
  775. },
  776. {
  777. .first = 0x40,
  778. .last = 0x46,
  779. },
  780. {
  781. .first = 0x50,
  782. .last = 0x50,
  783. },
  784. {
  785. .first = 0x60,
  786. .last = 0x6B,
  787. },
  788. {
  789. .first = 0x80,
  790. .last = 0x82,
  791. },
  792. },
  793. },
  794. [AB8500_DEVELOPMENT] = {
  795. .num_ranges = 2,
  796. .range = (struct ab8500_reg_range[]) {
  797. {
  798. .first = 0x00,
  799. .last = 0x00,
  800. },
  801. {
  802. .first = 0x05,
  803. .last = 0x05,
  804. },
  805. },
  806. },
  807. [AB8500_DEBUG] = {
  808. .num_ranges = 1,
  809. .range = (struct ab8500_reg_range[]) {
  810. {
  811. .first = 0x05,
  812. .last = 0x07,
  813. },
  814. },
  815. },
  816. [AB8500_PROD_TEST] = {
  817. .num_ranges = 0,
  818. .range = NULL,
  819. },
  820. [AB8500_STE_TEST] = {
  821. .num_ranges = 0,
  822. .range = NULL,
  823. },
  824. [AB8500_OTP_EMUL] = {
  825. .num_ranges = 1,
  826. .range = (struct ab8500_reg_range[]) {
  827. {
  828. .first = 0x01,
  829. .last = 0x15,
  830. },
  831. },
  832. },
  833. };
  834. struct ab8500_prcmu_ranges ab8540_debug_ranges[AB8500_NUM_BANKS] = {
  835. [AB8500_M_FSM_RANK] = {
  836. .num_ranges = 1,
  837. .range = (struct ab8500_reg_range[]) {
  838. {
  839. .first = 0x00,
  840. .last = 0x0B,
  841. },
  842. },
  843. },
  844. [AB8500_SYS_CTRL1_BLOCK] = {
  845. .num_ranges = 6,
  846. .range = (struct ab8500_reg_range[]) {
  847. {
  848. .first = 0x00,
  849. .last = 0x04,
  850. },
  851. {
  852. .first = 0x42,
  853. .last = 0x42,
  854. },
  855. {
  856. .first = 0x50,
  857. .last = 0x54,
  858. },
  859. {
  860. .first = 0x57,
  861. .last = 0x57,
  862. },
  863. {
  864. .first = 0x80,
  865. .last = 0x83,
  866. },
  867. {
  868. .first = 0x90,
  869. .last = 0x90,
  870. },
  871. },
  872. },
  873. [AB8500_SYS_CTRL2_BLOCK] = {
  874. .num_ranges = 5,
  875. .range = (struct ab8500_reg_range[]) {
  876. {
  877. .first = 0x00,
  878. .last = 0x0D,
  879. },
  880. {
  881. .first = 0x0F,
  882. .last = 0x10,
  883. },
  884. {
  885. .first = 0x20,
  886. .last = 0x21,
  887. },
  888. {
  889. .first = 0x32,
  890. .last = 0x3C,
  891. },
  892. {
  893. .first = 0x40,
  894. .last = 0x42,
  895. },
  896. },
  897. },
  898. [AB8500_REGU_CTRL1] = {
  899. .num_ranges = 4,
  900. .range = (struct ab8500_reg_range[]) {
  901. {
  902. .first = 0x03,
  903. .last = 0x15,
  904. },
  905. {
  906. .first = 0x20,
  907. .last = 0x20,
  908. },
  909. {
  910. .first = 0x80,
  911. .last = 0x85,
  912. },
  913. {
  914. .first = 0x87,
  915. .last = 0x88,
  916. },
  917. },
  918. },
  919. [AB8500_REGU_CTRL2] = {
  920. .num_ranges = 8,
  921. .range = (struct ab8500_reg_range[]) {
  922. {
  923. .first = 0x00,
  924. .last = 0x06,
  925. },
  926. {
  927. .first = 0x08,
  928. .last = 0x15,
  929. },
  930. {
  931. .first = 0x17,
  932. .last = 0x19,
  933. },
  934. {
  935. .first = 0x1B,
  936. .last = 0x1D,
  937. },
  938. {
  939. .first = 0x1F,
  940. .last = 0x2F,
  941. },
  942. {
  943. .first = 0x31,
  944. .last = 0x3A,
  945. },
  946. {
  947. .first = 0x43,
  948. .last = 0x44,
  949. },
  950. {
  951. .first = 0x48,
  952. .last = 0x49,
  953. },
  954. },
  955. },
  956. [AB8500_USB] = {
  957. .num_ranges = 3,
  958. .range = (struct ab8500_reg_range[]) {
  959. {
  960. .first = 0x80,
  961. .last = 0x83,
  962. },
  963. {
  964. .first = 0x87,
  965. .last = 0x8A,
  966. },
  967. {
  968. .first = 0x91,
  969. .last = 0x94,
  970. },
  971. },
  972. },
  973. [AB8500_TVOUT] = {
  974. .num_ranges = 0,
  975. .range = NULL
  976. },
  977. [AB8500_DBI] = {
  978. .num_ranges = 4,
  979. .range = (struct ab8500_reg_range[]) {
  980. {
  981. .first = 0x00,
  982. .last = 0x07,
  983. },
  984. {
  985. .first = 0x10,
  986. .last = 0x11,
  987. },
  988. {
  989. .first = 0x20,
  990. .last = 0x21,
  991. },
  992. {
  993. .first = 0x30,
  994. .last = 0x43,
  995. },
  996. },
  997. },
  998. [AB8500_ECI_AV_ACC] = {
  999. .num_ranges = 2,
  1000. .range = (struct ab8500_reg_range[]) {
  1001. {
  1002. .first = 0x00,
  1003. .last = 0x03,
  1004. },
  1005. {
  1006. .first = 0x80,
  1007. .last = 0x82,
  1008. },
  1009. },
  1010. },
  1011. [AB8500_RESERVED] = {
  1012. .num_ranges = 0,
  1013. .range = NULL,
  1014. },
  1015. [AB8500_GPADC] = {
  1016. .num_ranges = 4,
  1017. .range = (struct ab8500_reg_range[]) {
  1018. {
  1019. .first = 0x00,
  1020. .last = 0x01,
  1021. },
  1022. {
  1023. .first = 0x04,
  1024. .last = 0x06,
  1025. },
  1026. {
  1027. .first = 0x09,
  1028. .last = 0x0A,
  1029. },
  1030. {
  1031. .first = 0x10,
  1032. .last = 0x14,
  1033. },
  1034. },
  1035. },
  1036. [AB8500_CHARGER] = {
  1037. .num_ranges = 10,
  1038. .range = (struct ab8500_reg_range[]) {
  1039. {
  1040. .first = 0x00,
  1041. .last = 0x00,
  1042. },
  1043. {
  1044. .first = 0x02,
  1045. .last = 0x05,
  1046. },
  1047. {
  1048. .first = 0x40,
  1049. .last = 0x44,
  1050. },
  1051. {
  1052. .first = 0x50,
  1053. .last = 0x57,
  1054. },
  1055. {
  1056. .first = 0x60,
  1057. .last = 0x60,
  1058. },
  1059. {
  1060. .first = 0x70,
  1061. .last = 0x70,
  1062. },
  1063. {
  1064. .first = 0xA0,
  1065. .last = 0xA9,
  1066. },
  1067. {
  1068. .first = 0xAF,
  1069. .last = 0xB2,
  1070. },
  1071. {
  1072. .first = 0xC0,
  1073. .last = 0xC6,
  1074. },
  1075. {
  1076. .first = 0xF5,
  1077. .last = 0xF5,
  1078. },
  1079. },
  1080. },
  1081. [AB8500_GAS_GAUGE] = {
  1082. .num_ranges = 3,
  1083. .range = (struct ab8500_reg_range[]) {
  1084. {
  1085. .first = 0x00,
  1086. .last = 0x00,
  1087. },
  1088. {
  1089. .first = 0x07,
  1090. .last = 0x0A,
  1091. },
  1092. {
  1093. .first = 0x10,
  1094. .last = 0x14,
  1095. },
  1096. },
  1097. },
  1098. [AB8500_AUDIO] = {
  1099. .num_ranges = 1,
  1100. .range = (struct ab8500_reg_range[]) {
  1101. {
  1102. .first = 0x00,
  1103. .last = 0x9f,
  1104. },
  1105. },
  1106. },
  1107. [AB8500_INTERRUPT] = {
  1108. .num_ranges = 6,
  1109. .range = (struct ab8500_reg_range[]) {
  1110. {
  1111. .first = 0x00,
  1112. .last = 0x05,
  1113. },
  1114. {
  1115. .first = 0x0B,
  1116. .last = 0x0D,
  1117. },
  1118. {
  1119. .first = 0x12,
  1120. .last = 0x20,
  1121. },
  1122. /* Latch registers should not be read here */
  1123. {
  1124. .first = 0x40,
  1125. .last = 0x45,
  1126. },
  1127. {
  1128. .first = 0x4B,
  1129. .last = 0x4D,
  1130. },
  1131. {
  1132. .first = 0x52,
  1133. .last = 0x60,
  1134. },
  1135. /* LatchHier registers should not be read here */
  1136. },
  1137. },
  1138. [AB8500_RTC] = {
  1139. .num_ranges = 3,
  1140. .range = (struct ab8500_reg_range[]) {
  1141. {
  1142. .first = 0x00,
  1143. .last = 0x07,
  1144. },
  1145. {
  1146. .first = 0x0B,
  1147. .last = 0x18,
  1148. },
  1149. {
  1150. .first = 0x20,
  1151. .last = 0x25,
  1152. },
  1153. },
  1154. },
  1155. [AB8500_MISC] = {
  1156. .num_ranges = 9,
  1157. .range = (struct ab8500_reg_range[]) {
  1158. {
  1159. .first = 0x00,
  1160. .last = 0x06,
  1161. },
  1162. {
  1163. .first = 0x10,
  1164. .last = 0x16,
  1165. },
  1166. {
  1167. .first = 0x20,
  1168. .last = 0x26,
  1169. },
  1170. {
  1171. .first = 0x30,
  1172. .last = 0x36,
  1173. },
  1174. {
  1175. .first = 0x40,
  1176. .last = 0x49,
  1177. },
  1178. {
  1179. .first = 0x50,
  1180. .last = 0x50,
  1181. },
  1182. {
  1183. .first = 0x60,
  1184. .last = 0x6B,
  1185. },
  1186. {
  1187. .first = 0x70,
  1188. .last = 0x74,
  1189. },
  1190. {
  1191. .first = 0x80,
  1192. .last = 0x82,
  1193. },
  1194. },
  1195. },
  1196. [AB8500_DEVELOPMENT] = {
  1197. .num_ranges = 3,
  1198. .range = (struct ab8500_reg_range[]) {
  1199. {
  1200. .first = 0x00,
  1201. .last = 0x01,
  1202. },
  1203. {
  1204. .first = 0x06,
  1205. .last = 0x06,
  1206. },
  1207. {
  1208. .first = 0x10,
  1209. .last = 0x21,
  1210. },
  1211. },
  1212. },
  1213. [AB8500_DEBUG] = {
  1214. .num_ranges = 3,
  1215. .range = (struct ab8500_reg_range[]) {
  1216. {
  1217. .first = 0x01,
  1218. .last = 0x0C,
  1219. },
  1220. {
  1221. .first = 0x0E,
  1222. .last = 0x11,
  1223. },
  1224. {
  1225. .first = 0x80,
  1226. .last = 0x81,
  1227. },
  1228. },
  1229. },
  1230. [AB8500_PROD_TEST] = {
  1231. .num_ranges = 0,
  1232. .range = NULL,
  1233. },
  1234. [AB8500_STE_TEST] = {
  1235. .num_ranges = 0,
  1236. .range = NULL,
  1237. },
  1238. [AB8500_OTP_EMUL] = {
  1239. .num_ranges = 1,
  1240. .range = (struct ab8500_reg_range[]) {
  1241. {
  1242. .first = 0x00,
  1243. .last = 0x3F,
  1244. },
  1245. },
  1246. },
  1247. };
  1248. static irqreturn_t ab8500_debug_handler(int irq, void *data)
  1249. {
  1250. char buf[16];
  1251. struct kobject *kobj = (struct kobject *)data;
  1252. unsigned int irq_abb = irq - irq_first;
  1253. if (irq_abb < num_irqs)
  1254. irq_count[irq_abb]++;
  1255. /*
  1256. * This makes it possible to use poll for events (POLLPRI | POLLERR)
  1257. * from userspace on sysfs file named <irq-nr>
  1258. */
  1259. sprintf(buf, "%d", irq);
  1260. sysfs_notify(kobj, NULL, buf);
  1261. return IRQ_HANDLED;
  1262. }
  1263. /* Prints to seq_file or log_buf */
  1264. static int ab8500_registers_print(struct device *dev, u32 bank,
  1265. struct seq_file *s)
  1266. {
  1267. unsigned int i;
  1268. for (i = 0; i < debug_ranges[bank].num_ranges; i++) {
  1269. u32 reg;
  1270. for (reg = debug_ranges[bank].range[i].first;
  1271. reg <= debug_ranges[bank].range[i].last;
  1272. reg++) {
  1273. u8 value;
  1274. int err;
  1275. err = abx500_get_register_interruptible(dev,
  1276. (u8)bank, (u8)reg, &value);
  1277. if (err < 0) {
  1278. dev_err(dev, "ab->read fail %d\n", err);
  1279. return err;
  1280. }
  1281. if (s) {
  1282. err = seq_printf(s, " [0x%02X/0x%02X]: 0x%02X\n",
  1283. bank, reg, value);
  1284. if (err < 0) {
  1285. /* Error is not returned here since
  1286. * the output is wanted in any case */
  1287. return 0;
  1288. }
  1289. } else {
  1290. printk(KERN_INFO" [0x%02X/0x%02X]: 0x%02X\n",
  1291. bank, reg, value);
  1292. }
  1293. }
  1294. }
  1295. return 0;
  1296. }
  1297. static int ab8500_print_bank_registers(struct seq_file *s, void *p)
  1298. {
  1299. struct device *dev = s->private;
  1300. u32 bank = debug_bank;
  1301. seq_printf(s, AB8500_NAME_STRING " register values:\n");
  1302. seq_printf(s, " bank 0x%02X:\n", bank);
  1303. ab8500_registers_print(dev, bank, s);
  1304. return 0;
  1305. }
  1306. static int ab8500_registers_open(struct inode *inode, struct file *file)
  1307. {
  1308. return single_open(file, ab8500_print_bank_registers, inode->i_private);
  1309. }
  1310. static const struct file_operations ab8500_registers_fops = {
  1311. .open = ab8500_registers_open,
  1312. .read = seq_read,
  1313. .llseek = seq_lseek,
  1314. .release = single_release,
  1315. .owner = THIS_MODULE,
  1316. };
  1317. static int ab8500_print_all_banks(struct seq_file *s, void *p)
  1318. {
  1319. struct device *dev = s->private;
  1320. unsigned int i;
  1321. int err;
  1322. seq_printf(s, AB8500_NAME_STRING " register values:\n");
  1323. for (i = 0; i < AB8500_NUM_BANKS; i++) {
  1324. err = seq_printf(s, " bank 0x%02X:\n", i);
  1325. ab8500_registers_print(dev, i, s);
  1326. }
  1327. return 0;
  1328. }
  1329. /* Dump registers to kernel log */
  1330. void ab8500_dump_all_banks(struct device *dev)
  1331. {
  1332. unsigned int i;
  1333. printk(KERN_INFO"ab8500 register values:\n");
  1334. for (i = 1; i < AB8500_NUM_BANKS; i++) {
  1335. printk(KERN_INFO" bank 0x%02X:\n", i);
  1336. ab8500_registers_print(dev, i, NULL);
  1337. }
  1338. }
  1339. /* Space for 500 registers. */
  1340. #define DUMP_MAX_REGS 700
  1341. struct ab8500_register_dump
  1342. {
  1343. u8 bank;
  1344. u8 reg;
  1345. u8 value;
  1346. } ab8500_complete_register_dump[DUMP_MAX_REGS];
  1347. extern int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size);
  1348. /* This shall only be called upon kernel panic! */
  1349. void ab8500_dump_all_banks_to_mem(void)
  1350. {
  1351. int i, r = 0;
  1352. u8 bank;
  1353. int err = 0;
  1354. pr_info("Saving all ABB registers at \"ab8500_complete_register_dump\" "
  1355. "for crash analyze.\n");
  1356. for (bank = 0; bank < AB8500_NUM_BANKS; bank++) {
  1357. for (i = 0; i < debug_ranges[bank].num_ranges; i++) {
  1358. u8 reg;
  1359. for (reg = debug_ranges[bank].range[i].first;
  1360. reg <= debug_ranges[bank].range[i].last;
  1361. reg++) {
  1362. u8 value;
  1363. err = prcmu_abb_read(bank, reg, &value, 1);
  1364. if (err < 0)
  1365. goto out;
  1366. ab8500_complete_register_dump[r].bank = bank;
  1367. ab8500_complete_register_dump[r].reg = reg;
  1368. ab8500_complete_register_dump[r].value = value;
  1369. r++;
  1370. if (r >= DUMP_MAX_REGS) {
  1371. pr_err("%s: too many register to dump!\n",
  1372. __func__);
  1373. err = -EINVAL;
  1374. goto out;
  1375. }
  1376. }
  1377. }
  1378. }
  1379. out:
  1380. if (err >= 0)
  1381. pr_info("Saved all ABB registers.\n");
  1382. else
  1383. pr_info("Failed to save all ABB registers.\n");
  1384. }
  1385. static int ab8500_all_banks_open(struct inode *inode, struct file *file)
  1386. {
  1387. struct seq_file *s;
  1388. int err;
  1389. err = single_open(file, ab8500_print_all_banks, inode->i_private);
  1390. if (!err) {
  1391. /* Default buf size in seq_read is not enough */
  1392. s = (struct seq_file *)file->private_data;
  1393. s->size = (PAGE_SIZE * 2);
  1394. s->buf = kmalloc(s->size, GFP_KERNEL);
  1395. if (!s->buf) {
  1396. single_release(inode, file);
  1397. err = -ENOMEM;
  1398. }
  1399. }
  1400. return err;
  1401. }
  1402. static const struct file_operations ab8500_all_banks_fops = {
  1403. .open = ab8500_all_banks_open,
  1404. .read = seq_read,
  1405. .llseek = seq_lseek,
  1406. .release = single_release,
  1407. .owner = THIS_MODULE,
  1408. };
  1409. static int ab8500_bank_print(struct seq_file *s, void *p)
  1410. {
  1411. return seq_printf(s, "0x%02X\n", debug_bank);
  1412. }
  1413. static int ab8500_bank_open(struct inode *inode, struct file *file)
  1414. {
  1415. return single_open(file, ab8500_bank_print, inode->i_private);
  1416. }
  1417. static ssize_t ab8500_bank_write(struct file *file,
  1418. const char __user *user_buf,
  1419. size_t count, loff_t *ppos)
  1420. {
  1421. struct device *dev = ((struct seq_file *)(file->private_data))->private;
  1422. unsigned long user_bank;
  1423. int err;
  1424. err = kstrtoul_from_user(user_buf, count, 0, &user_bank);
  1425. if (err)
  1426. return err;
  1427. if (user_bank >= AB8500_NUM_BANKS) {
  1428. dev_err(dev, "debugfs error input > number of banks\n");
  1429. return -EINVAL;
  1430. }
  1431. debug_bank = user_bank;
  1432. return count;
  1433. }
  1434. static int ab8500_address_print(struct seq_file *s, void *p)
  1435. {
  1436. return seq_printf(s, "0x%02X\n", debug_address);
  1437. }
  1438. static int ab8500_address_open(struct inode *inode, struct file *file)
  1439. {
  1440. return single_open(file, ab8500_address_print, inode->i_private);
  1441. }
  1442. static ssize_t ab8500_address_write(struct file *file,
  1443. const char __user *user_buf,
  1444. size_t count, loff_t *ppos)
  1445. {
  1446. struct device *dev = ((struct seq_file *)(file->private_data))->private;
  1447. unsigned long user_address;
  1448. int err;
  1449. err = kstrtoul_from_user(user_buf, count, 0, &user_address);
  1450. if (err)
  1451. return err;
  1452. if (user_address > 0xff) {
  1453. dev_err(dev, "debugfs error input > 0xff\n");
  1454. return -EINVAL;
  1455. }
  1456. debug_address = user_address;
  1457. return count;
  1458. }
  1459. static int ab8500_val_print(struct seq_file *s, void *p)
  1460. {
  1461. struct device *dev = s->private;
  1462. int ret;
  1463. u8 regvalue;
  1464. ret = abx500_get_register_interruptible(dev,
  1465. (u8)debug_bank, (u8)debug_address, &regvalue);
  1466. if (ret < 0) {
  1467. dev_err(dev, "abx500_get_reg fail %d, %d\n",
  1468. ret, __LINE__);
  1469. return -EINVAL;
  1470. }
  1471. seq_printf(s, "0x%02X\n", regvalue);
  1472. return 0;
  1473. }
  1474. static int ab8500_val_open(struct inode *inode, struct file *file)
  1475. {
  1476. return single_open(file, ab8500_val_print, inode->i_private);
  1477. }
  1478. static ssize_t ab8500_val_write(struct file *file,
  1479. const char __user *user_buf,
  1480. size_t count, loff_t *ppos)
  1481. {
  1482. struct device *dev = ((struct seq_file *)(file->private_data))->private;
  1483. unsigned long user_val;
  1484. int err;
  1485. err = kstrtoul_from_user(user_buf, count, 0, &user_val);
  1486. if (err)
  1487. return err;
  1488. if (user_val > 0xff) {
  1489. dev_err(dev, "debugfs error input > 0xff\n");
  1490. return -EINVAL;
  1491. }
  1492. err = abx500_set_register_interruptible(dev,
  1493. (u8)debug_bank, debug_address, (u8)user_val);
  1494. if (err < 0) {
  1495. printk(KERN_ERR "abx500_set_reg failed %d, %d", err, __LINE__);
  1496. return -EINVAL;
  1497. }
  1498. return count;
  1499. }
  1500. /*
  1501. * Interrupt status
  1502. */
  1503. static u32 num_interrupts[AB8500_MAX_NR_IRQS];
  1504. static u32 num_wake_interrupts[AB8500_MAX_NR_IRQS];
  1505. static int num_interrupt_lines;
  1506. bool __attribute__((weak)) suspend_test_wake_cause_interrupt_is_mine(u32 my_int)
  1507. {
  1508. return false;
  1509. }
  1510. void ab8500_debug_register_interrupt(int line)
  1511. {
  1512. if (line < num_interrupt_lines) {
  1513. num_interrupts[line]++;
  1514. if (suspend_test_wake_cause_interrupt_is_mine(IRQ_DB8500_AB8500))
  1515. num_wake_interrupts[line]++;
  1516. }
  1517. }
  1518. static int ab8500_interrupts_print(struct seq_file *s, void *p)
  1519. {
  1520. int line;
  1521. seq_printf(s, "name: number: number of: wake:\n");
  1522. for (line = 0; line < num_interrupt_lines; line++) {
  1523. struct irq_desc *desc = irq_to_desc(line + irq_first);
  1524. struct irqaction *action = desc->action;
  1525. seq_printf(s, "%3i: %6i %4i", line,
  1526. num_interrupts[line],
  1527. num_wake_interrupts[line]);
  1528. if (desc && desc->name)
  1529. seq_printf(s, "-%-8s", desc->name);
  1530. if (action) {
  1531. seq_printf(s, " %s", action->name);
  1532. while ((action = action->next) != NULL)
  1533. seq_printf(s, ", %s", action->name);
  1534. }
  1535. seq_putc(s, '\n');
  1536. }
  1537. return 0;
  1538. }
  1539. static int ab8500_interrupts_open(struct inode *inode, struct file *file)
  1540. {
  1541. return single_open(file, ab8500_interrupts_print, inode->i_private);
  1542. }
  1543. /*
  1544. * - HWREG DB8500 formated routines
  1545. */
  1546. static int ab8500_hwreg_print(struct seq_file *s, void *d)
  1547. {
  1548. struct device *dev = s->private;
  1549. int ret;
  1550. u8 regvalue;
  1551. ret = abx500_get_register_interruptible(dev,
  1552. (u8)hwreg_cfg.bank, (u8)hwreg_cfg.addr, &regvalue);
  1553. if (ret < 0) {
  1554. dev_err(dev, "abx500_get_reg fail %d, %d\n",
  1555. ret, __LINE__);
  1556. return -EINVAL;
  1557. }
  1558. if (hwreg_cfg.shift >= 0)
  1559. regvalue >>= hwreg_cfg.shift;
  1560. else
  1561. regvalue <<= -hwreg_cfg.shift;
  1562. regvalue &= hwreg_cfg.mask;
  1563. if (REG_FMT_DEC(&hwreg_cfg))
  1564. seq_printf(s, "%d\n", regvalue);
  1565. else
  1566. seq_printf(s, "0x%02X\n", regvalue);
  1567. return 0;
  1568. }
  1569. static int ab8500_hwreg_open(struct inode *inode, struct file *file)
  1570. {
  1571. return single_open(file, ab8500_hwreg_print, inode->i_private);
  1572. }
  1573. #define AB8500_SUPPLY_CONTROL_CONFIG_1 0x01
  1574. #define AB8500_SUPPLY_CONTROL_REG 0x00
  1575. #define AB8500_FIRST_SIM_REG 0x80
  1576. #define AB8500_LAST_SIM_REG 0x8B
  1577. #define AB8505_LAST_SIM_REG 0x8C
  1578. static int ab8500_print_modem_registers(struct seq_file *s, void *p)
  1579. {
  1580. struct device *dev = s->private;
  1581. struct ab8500 *ab8500;
  1582. int err;
  1583. u8 value;
  1584. u8 orig_value;
  1585. u32 bank = AB8500_REGU_CTRL2;
  1586. u32 last_sim_reg = AB8500_LAST_SIM_REG;
  1587. u32 reg;
  1588. ab8500 = dev_get_drvdata(dev->parent);
  1589. dev_warn(dev, "WARNING! This operation can interfer with modem side\n"
  1590. "and should only be done with care\n");
  1591. err = abx500_get_register_interruptible(dev,
  1592. AB8500_REGU_CTRL1, AB8500_SUPPLY_CONTROL_REG, &orig_value);
  1593. if (err < 0) {
  1594. dev_err(dev, "ab->read fail %d\n", err);
  1595. return err;
  1596. }
  1597. /* Config 1 will allow APE side to read SIM registers */
  1598. err = abx500_set_register_interruptible(dev,
  1599. AB8500_REGU_CTRL1, AB8500_SUPPLY_CONTROL_REG,
  1600. AB8500_SUPPLY_CONTROL_CONFIG_1);
  1601. if (err < 0) {
  1602. dev_err(dev, "ab->write fail %d\n", err);
  1603. return err;
  1604. }
  1605. seq_printf(s, " bank 0x%02X:\n", bank);
  1606. if (is_ab9540(ab8500) || is_ab8505(ab8500))
  1607. last_sim_reg = AB8505_LAST_SIM_REG;
  1608. for (reg = AB8500_FIRST_SIM_REG; reg <= last_sim_reg; reg++) {
  1609. err = abx500_get_register_interruptible(dev,
  1610. bank, reg, &value);
  1611. if (err < 0) {
  1612. dev_err(dev, "ab->read fail %d\n", err);
  1613. return err;
  1614. }
  1615. err = seq_printf(s, " [0x%02X/0x%02X]: 0x%02X\n",
  1616. bank, reg, value);
  1617. }
  1618. err = abx500_set_register_interruptible(dev,
  1619. AB8500_REGU_CTRL1, AB8500_SUPPLY_CONTROL_REG, orig_value);
  1620. if (err < 0) {
  1621. dev_err(dev, "ab->write fail %d\n", err);
  1622. return err;
  1623. }
  1624. return 0;
  1625. }
  1626. static int ab8500_modem_open(struct inode *inode, struct file *file)
  1627. {
  1628. return single_open(file, ab8500_print_modem_registers, inode->i_private);
  1629. }
  1630. static const struct file_operations ab8500_modem_fops = {
  1631. .open = ab8500_modem_open,
  1632. .read = seq_read,
  1633. .llseek = seq_lseek,
  1634. .release = single_release,
  1635. .owner = THIS_MODULE,
  1636. };
  1637. static int ab8500_gpadc_bat_ctrl_print(struct seq_file *s, void *p)
  1638. {
  1639. int bat_ctrl_raw;
  1640. int bat_ctrl_convert;
  1641. struct ab8500_gpadc *gpadc;
  1642. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  1643. bat_ctrl_raw = ab8500_gpadc_read_raw(gpadc, BAT_CTRL,
  1644. avg_sample, trig_edge, trig_timer, conv_type);
  1645. bat_ctrl_convert = ab8500_gpadc_ad_to_voltage(gpadc,
  1646. BAT_CTRL, bat_ctrl_raw);
  1647. return seq_printf(s, "%d,0x%X\n",
  1648. bat_ctrl_convert, bat_ctrl_raw);
  1649. }
  1650. static int ab8500_gpadc_bat_ctrl_open(struct inode *inode, struct file *file)
  1651. {
  1652. return single_open(file, ab8500_gpadc_bat_ctrl_print, inode->i_private);
  1653. }
  1654. static const struct file_operations ab8500_gpadc_bat_ctrl_fops = {
  1655. .open = ab8500_gpadc_bat_ctrl_open,
  1656. .read = seq_read,
  1657. .llseek = seq_lseek,
  1658. .release = single_release,
  1659. .owner = THIS_MODULE,
  1660. };
  1661. static int ab8500_gpadc_btemp_ball_print(struct seq_file *s, void *p)
  1662. {
  1663. int btemp_ball_raw;
  1664. int btemp_ball_convert;
  1665. struct ab8500_gpadc *gpadc;
  1666. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  1667. btemp_ball_raw = ab8500_gpadc_read_raw(gpadc, BTEMP_BALL,
  1668. avg_sample, trig_edge, trig_timer, conv_type);
  1669. btemp_ball_convert = ab8500_gpadc_ad_to_voltage(gpadc, BTEMP_BALL,
  1670. btemp_ball_raw);
  1671. return seq_printf(s,
  1672. "%d,0x%X\n", btemp_ball_convert, btemp_ball_raw);
  1673. }
  1674. static int ab8500_gpadc_btemp_ball_open(struct inode *inode,
  1675. struct file *file)
  1676. {
  1677. return single_open(file, ab8500_gpadc_btemp_ball_print, inode->i_private);
  1678. }
  1679. static const struct file_operations ab8500_gpadc_btemp_ball_fops = {
  1680. .open = ab8500_gpadc_btemp_ball_open,
  1681. .read = seq_read,
  1682. .llseek = seq_lseek,
  1683. .release = single_release,
  1684. .owner = THIS_MODULE,
  1685. };
  1686. static int ab8500_gpadc_main_charger_v_print(struct seq_file *s, void *p)
  1687. {
  1688. int main_charger_v_raw;
  1689. int main_charger_v_convert;
  1690. struct ab8500_gpadc *gpadc;
  1691. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  1692. main_charger_v_raw = ab8500_gpadc_read_raw(gpadc, MAIN_CHARGER_V,
  1693. avg_sample, trig_edge, trig_timer, conv_type);
  1694. main_charger_v_convert = ab8500_gpadc_ad_to_voltage(gpadc,
  1695. MAIN_CHARGER_V, main_charger_v_raw);
  1696. return seq_printf(s, "%d,0x%X\n",
  1697. main_charger_v_convert, main_charger_v_raw);
  1698. }
  1699. static int ab8500_gpadc_main_charger_v_open(struct inode *inode,
  1700. struct file *file)
  1701. {
  1702. return single_open(file, ab8500_gpadc_main_charger_v_print,
  1703. inode->i_private);
  1704. }
  1705. static const struct file_operations ab8500_gpadc_main_charger_v_fops = {
  1706. .open = ab8500_gpadc_main_charger_v_open,
  1707. .read = seq_read,
  1708. .llseek = seq_lseek,
  1709. .release = single_release,
  1710. .owner = THIS_MODULE,
  1711. };
  1712. static int ab8500_gpadc_acc_detect1_print(struct seq_file *s, void *p)
  1713. {
  1714. int acc_detect1_raw;
  1715. int acc_detect1_convert;
  1716. struct ab8500_gpadc *gpadc;
  1717. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  1718. acc_detect1_raw = ab8500_gpadc_read_raw(gpadc, ACC_DETECT1,
  1719. avg_sample, trig_edge, trig_timer, conv_type);
  1720. acc_detect1_convert = ab8500_gpadc_ad_to_voltage(gpadc, ACC_DETECT1,
  1721. acc_detect1_raw);
  1722. return seq_printf(s, "%d,0x%X\n",
  1723. acc_detect1_convert, acc_detect1_raw);
  1724. }
  1725. static int ab8500_gpadc_acc_detect1_open(struct inode *inode,
  1726. struct file *file)
  1727. {
  1728. return single_open(file, ab8500_gpadc_acc_detect1_print,
  1729. inode->i_private);
  1730. }
  1731. static const struct file_operations ab8500_gpadc_acc_detect1_fops = {
  1732. .open = ab8500_gpadc_acc_detect1_open,
  1733. .read = seq_read,
  1734. .llseek = seq_lseek,
  1735. .release = single_release,
  1736. .owner = THIS_MODULE,
  1737. };
  1738. static int ab8500_gpadc_acc_detect2_print(struct seq_file *s, void *p)
  1739. {
  1740. int acc_detect2_raw;
  1741. int acc_detect2_convert;
  1742. struct ab8500_gpadc *gpadc;
  1743. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  1744. acc_detect2_raw = ab8500_gpadc_read_raw(gpadc, ACC_DETECT2,
  1745. avg_sample, trig_edge, trig_timer, conv_type);
  1746. acc_detect2_convert = ab8500_gpadc_ad_to_voltage(gpadc,
  1747. ACC_DETECT2, acc_detect2_raw);
  1748. return seq_printf(s, "%d,0x%X\n",
  1749. acc_detect2_convert, acc_detect2_raw);
  1750. }
  1751. static int ab8500_gpadc_acc_detect2_open(struct inode *inode,
  1752. struct file *file)
  1753. {
  1754. return single_open(file, ab8500_gpadc_acc_detect2_print,
  1755. inode->i_private);
  1756. }
  1757. static const struct file_operations ab8500_gpadc_acc_detect2_fops = {
  1758. .open = ab8500_gpadc_acc_detect2_open,
  1759. .read = seq_read,
  1760. .llseek = seq_lseek,
  1761. .release = single_release,
  1762. .owner = THIS_MODULE,
  1763. };
  1764. static int ab8500_gpadc_aux1_print(struct seq_file *s, void *p)
  1765. {
  1766. int aux1_raw;
  1767. int aux1_convert;
  1768. struct ab8500_gpadc *gpadc;
  1769. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  1770. aux1_raw = ab8500_gpadc_read_raw(gpadc, ADC_AUX1,
  1771. avg_sample, trig_edge, trig_timer, conv_type);
  1772. aux1_convert = ab8500_gpadc_ad_to_voltage(gpadc, ADC_AUX1,
  1773. aux1_raw);
  1774. return seq_printf(s, "%d,0x%X\n",
  1775. aux1_convert, aux1_raw);
  1776. }
  1777. static int ab8500_gpadc_aux1_open(struct inode *inode, struct file *file)
  1778. {
  1779. return single_open(file, ab8500_gpadc_aux1_print, inode->i_private);
  1780. }
  1781. static const struct file_operations ab8500_gpadc_aux1_fops = {
  1782. .open = ab8500_gpadc_aux1_open,
  1783. .read = seq_read,
  1784. .llseek = seq_lseek,
  1785. .release = single_release,
  1786. .owner = THIS_MODULE,
  1787. };
  1788. static int ab8500_gpadc_aux2_print(struct seq_file *s, void *p)
  1789. {
  1790. int aux2_raw;
  1791. int aux2_convert;
  1792. struct ab8500_gpadc *gpadc;
  1793. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  1794. aux2_raw = ab8500_gpadc_read_raw(gpadc, ADC_AUX2,
  1795. avg_sample, trig_edge, trig_timer, conv_type);
  1796. aux2_convert = ab8500_gpadc_ad_to_voltage(gpadc, ADC_AUX2,
  1797. aux2_raw);
  1798. return seq_printf(s, "%d,0x%X\n",
  1799. aux2_convert, aux2_raw);
  1800. }
  1801. static int ab8500_gpadc_aux2_open(struct inode *inode, struct file *file)
  1802. {
  1803. return single_open(file, ab8500_gpadc_aux2_print, inode->i_private);
  1804. }
  1805. static const struct file_operations ab8500_gpadc_aux2_fops = {
  1806. .open = ab8500_gpadc_aux2_open,
  1807. .read = seq_read,
  1808. .llseek = seq_lseek,
  1809. .release = single_release,
  1810. .owner = THIS_MODULE,
  1811. };
  1812. static int ab8500_gpadc_main_bat_v_print(struct seq_file *s, void *p)
  1813. {
  1814. int main_bat_v_raw;
  1815. int main_bat_v_convert;
  1816. struct ab8500_gpadc *gpadc;
  1817. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  1818. main_bat_v_raw = ab8500_gpadc_read_raw(gpadc, MAIN_BAT_V,
  1819. avg_sample, trig_edge, trig_timer, conv_type);
  1820. main_bat_v_convert = ab8500_gpadc_ad_to_voltage(gpadc, MAIN_BAT_V,
  1821. main_bat_v_raw);
  1822. return seq_printf(s, "%d,0x%X\n",
  1823. main_bat_v_convert, main_bat_v_raw);
  1824. }
  1825. static int ab8500_gpadc_main_bat_v_open(struct inode *inode,
  1826. struct file *file)
  1827. {
  1828. return single_open(file, ab8500_gpadc_main_bat_v_print, inode->i_private);
  1829. }
  1830. static const struct file_operations ab8500_gpadc_main_bat_v_fops = {
  1831. .open = ab8500_gpadc_main_bat_v_open,
  1832. .read = seq_read,
  1833. .llseek = seq_lseek,
  1834. .release = single_release,
  1835. .owner = THIS_MODULE,
  1836. };
  1837. static int ab8500_gpadc_vbus_v_print(struct seq_file *s, void *p)
  1838. {
  1839. int vbus_v_raw;
  1840. int vbus_v_convert;
  1841. struct ab8500_gpadc *gpadc;
  1842. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  1843. vbus_v_raw = ab8500_gpadc_read_raw(gpadc, VBUS_V,
  1844. avg_sample, trig_edge, trig_timer, conv_type);
  1845. vbus_v_convert = ab8500_gpadc_ad_to_voltage(gpadc, VBUS_V,
  1846. vbus_v_raw);
  1847. return seq_printf(s, "%d,0x%X\n",
  1848. vbus_v_convert, vbus_v_raw);
  1849. }
  1850. static int ab8500_gpadc_vbus_v_open(struct inode *inode, struct file *file)
  1851. {
  1852. return single_open(file, ab8500_gpadc_vbus_v_print, inode->i_private);
  1853. }
  1854. static const struct file_operations ab8500_gpadc_vbus_v_fops = {
  1855. .open = ab8500_gpadc_vbus_v_open,
  1856. .read = seq_read,
  1857. .llseek = seq_lseek,
  1858. .release = single_release,
  1859. .owner = THIS_MODULE,
  1860. };
  1861. static int ab8500_gpadc_main_charger_c_print(struct seq_file *s, void *p)
  1862. {
  1863. int main_charger_c_raw;
  1864. int main_charger_c_convert;
  1865. struct ab8500_gpadc *gpadc;
  1866. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  1867. main_charger_c_raw = ab8500_gpadc_read_raw(gpadc, MAIN_CHARGER_C,
  1868. avg_sample, trig_edge, trig_timer, conv_type);
  1869. main_charger_c_convert = ab8500_gpadc_ad_to_voltage(gpadc,
  1870. MAIN_CHARGER_C, main_charger_c_raw);
  1871. return seq_printf(s, "%d,0x%X\n",
  1872. main_charger_c_convert, main_charger_c_raw);
  1873. }
  1874. static int ab8500_gpadc_main_charger_c_open(struct inode *inode,
  1875. struct file *file)
  1876. {
  1877. return single_open(file, ab8500_gpadc_main_charger_c_print,
  1878. inode->i_private);
  1879. }
  1880. static const struct file_operations ab8500_gpadc_main_charger_c_fops = {
  1881. .open = ab8500_gpadc_main_charger_c_open,
  1882. .read = seq_read,
  1883. .llseek = seq_lseek,
  1884. .release = single_release,
  1885. .owner = THIS_MODULE,
  1886. };
  1887. static int ab8500_gpadc_usb_charger_c_print(struct seq_file *s, void *p)
  1888. {
  1889. int usb_charger_c_raw;
  1890. int usb_charger_c_convert;
  1891. struct ab8500_gpadc *gpadc;
  1892. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  1893. usb_charger_c_raw = ab8500_gpadc_read_raw(gpadc, USB_CHARGER_C,
  1894. avg_sample, trig_edge, trig_timer, conv_type);
  1895. usb_charger_c_convert = ab8500_gpadc_ad_to_voltage(gpadc,
  1896. USB_CHARGER_C, usb_charger_c_raw);
  1897. return seq_printf(s, "%d,0x%X\n",
  1898. usb_charger_c_convert, usb_charger_c_raw);
  1899. }
  1900. static int ab8500_gpadc_usb_charger_c_open(struct inode *inode,
  1901. struct file *file)
  1902. {
  1903. return single_open(file, ab8500_gpadc_usb_charger_c_print,
  1904. inode->i_private);
  1905. }
  1906. static const struct file_operations ab8500_gpadc_usb_charger_c_fops = {
  1907. .open = ab8500_gpadc_usb_charger_c_open,
  1908. .read = seq_read,
  1909. .llseek = seq_lseek,
  1910. .release = single_release,
  1911. .owner = THIS_MODULE,
  1912. };
  1913. static int ab8500_gpadc_bk_bat_v_print(struct seq_file *s, void *p)
  1914. {
  1915. int bk_bat_v_raw;
  1916. int bk_bat_v_convert;
  1917. struct ab8500_gpadc *gpadc;
  1918. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  1919. bk_bat_v_raw = ab8500_gpadc_read_raw(gpadc, BK_BAT_V,
  1920. avg_sample, trig_edge, trig_timer, conv_type);
  1921. bk_bat_v_convert = ab8500_gpadc_ad_to_voltage(gpadc,
  1922. BK_BAT_V, bk_bat_v_raw);
  1923. return seq_printf(s, "%d,0x%X\n",
  1924. bk_bat_v_convert, bk_bat_v_raw);
  1925. }
  1926. static int ab8500_gpadc_bk_bat_v_open(struct inode *inode, struct file *file)
  1927. {
  1928. return single_open(file, ab8500_gpadc_bk_bat_v_print, inode->i_private);
  1929. }
  1930. static const struct file_operations ab8500_gpadc_bk_bat_v_fops = {
  1931. .open = ab8500_gpadc_bk_bat_v_open,
  1932. .read = seq_read,
  1933. .llseek = seq_lseek,
  1934. .release = single_release,
  1935. .owner = THIS_MODULE,
  1936. };
  1937. static int ab8500_gpadc_die_temp_print(struct seq_file *s, void *p)
  1938. {
  1939. int die_temp_raw;
  1940. int die_temp_convert;
  1941. struct ab8500_gpadc *gpadc;
  1942. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  1943. die_temp_raw = ab8500_gpadc_read_raw(gpadc, DIE_TEMP,
  1944. avg_sample, trig_edge, trig_timer, conv_type);
  1945. die_temp_convert = ab8500_gpadc_ad_to_voltage(gpadc, DIE_TEMP,
  1946. die_temp_raw);
  1947. return seq_printf(s, "%d,0x%X\n",
  1948. die_temp_convert, die_temp_raw);
  1949. }
  1950. static int ab8500_gpadc_die_temp_open(struct inode *inode, struct file *file)
  1951. {
  1952. return single_open(file, ab8500_gpadc_die_temp_print, inode->i_private);
  1953. }
  1954. static const struct file_operations ab8500_gpadc_die_temp_fops = {
  1955. .open = ab8500_gpadc_die_temp_open,
  1956. .read = seq_read,
  1957. .llseek = seq_lseek,
  1958. .release = single_release,
  1959. .owner = THIS_MODULE,
  1960. };
  1961. static int ab8500_gpadc_usb_id_print(struct seq_file *s, void *p)
  1962. {
  1963. int usb_id_raw;
  1964. int usb_id_convert;
  1965. struct ab8500_gpadc *gpadc;
  1966. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  1967. usb_id_raw = ab8500_gpadc_read_raw(gpadc, USB_ID,
  1968. avg_sample, trig_edge, trig_timer, conv_type);
  1969. usb_id_convert = ab8500_gpadc_ad_to_voltage(gpadc, USB_ID,
  1970. usb_id_raw);
  1971. return seq_printf(s, "%d,0x%X\n",
  1972. usb_id_convert, usb_id_raw);
  1973. }
  1974. static int ab8500_gpadc_usb_id_open(struct inode *inode, struct file *file)
  1975. {
  1976. return single_open(file, ab8500_gpadc_usb_id_print, inode->i_private);
  1977. }
  1978. static const struct file_operations ab8500_gpadc_usb_id_fops = {
  1979. .open = ab8500_gpadc_usb_id_open,
  1980. .read = seq_read,
  1981. .llseek = seq_lseek,
  1982. .release = single_release,
  1983. .owner = THIS_MODULE,
  1984. };
  1985. static int ab8540_gpadc_xtal_temp_print(struct seq_file *s, void *p)
  1986. {
  1987. int xtal_temp_raw;
  1988. int xtal_temp_convert;
  1989. struct ab8500_gpadc *gpadc;
  1990. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  1991. xtal_temp_raw = ab8500_gpadc_read_raw(gpadc, XTAL_TEMP,
  1992. avg_sample, trig_edge, trig_timer, conv_type);
  1993. xtal_temp_convert = ab8500_gpadc_ad_to_voltage(gpadc, XTAL_TEMP,
  1994. xtal_temp_raw);
  1995. return seq_printf(s, "%d,0x%X\n",
  1996. xtal_temp_convert, xtal_temp_raw);
  1997. }
  1998. static int ab8540_gpadc_xtal_temp_open(struct inode *inode, struct file *file)
  1999. {
  2000. return single_open(file, ab8540_gpadc_xtal_temp_print,
  2001. inode->i_private);
  2002. }
  2003. static const struct file_operations ab8540_gpadc_xtal_temp_fops = {
  2004. .open = ab8540_gpadc_xtal_temp_open,
  2005. .read = seq_read,
  2006. .llseek = seq_lseek,
  2007. .release = single_release,
  2008. .owner = THIS_MODULE,
  2009. };
  2010. static int ab8540_gpadc_vbat_true_meas_print(struct seq_file *s, void *p)
  2011. {
  2012. int vbat_true_meas_raw;
  2013. int vbat_true_meas_convert;
  2014. struct ab8500_gpadc *gpadc;
  2015. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  2016. vbat_true_meas_raw = ab8500_gpadc_read_raw(gpadc, VBAT_TRUE_MEAS,
  2017. avg_sample, trig_edge, trig_timer, conv_type);
  2018. vbat_true_meas_convert = ab8500_gpadc_ad_to_voltage(gpadc, VBAT_TRUE_MEAS,
  2019. vbat_true_meas_raw);
  2020. return seq_printf(s, "%d,0x%X\n",
  2021. vbat_true_meas_convert, vbat_true_meas_raw);
  2022. }
  2023. static int ab8540_gpadc_vbat_true_meas_open(struct inode *inode,
  2024. struct file *file)
  2025. {
  2026. return single_open(file, ab8540_gpadc_vbat_true_meas_print,
  2027. inode->i_private);
  2028. }
  2029. static const struct file_operations ab8540_gpadc_vbat_true_meas_fops = {
  2030. .open = ab8540_gpadc_vbat_true_meas_open,
  2031. .read = seq_read,
  2032. .llseek = seq_lseek,
  2033. .release = single_release,
  2034. .owner = THIS_MODULE,
  2035. };
  2036. static int ab8540_gpadc_bat_ctrl_and_ibat_print(struct seq_file *s, void *p)
  2037. {
  2038. int bat_ctrl_raw;
  2039. int bat_ctrl_convert;
  2040. int ibat_raw;
  2041. int ibat_convert;
  2042. struct ab8500_gpadc *gpadc;
  2043. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  2044. bat_ctrl_raw = ab8500_gpadc_double_read_raw(gpadc, BAT_CTRL_AND_IBAT,
  2045. avg_sample, trig_edge, trig_timer, conv_type, &ibat_raw);
  2046. bat_ctrl_convert = ab8500_gpadc_ad_to_voltage(gpadc, BAT_CTRL,
  2047. bat_ctrl_raw);
  2048. ibat_convert = ab8500_gpadc_ad_to_voltage(gpadc, IBAT_VIRTUAL_CHANNEL,
  2049. ibat_raw);
  2050. return seq_printf(s, "%d,0x%X\n" "%d,0x%X\n",
  2051. bat_ctrl_convert, bat_ctrl_raw,
  2052. ibat_convert, ibat_raw);
  2053. }
  2054. static int ab8540_gpadc_bat_ctrl_and_ibat_open(struct inode *inode,
  2055. struct file *file)
  2056. {
  2057. return single_open(file, ab8540_gpadc_bat_ctrl_and_ibat_print,
  2058. inode->i_private);
  2059. }
  2060. static const struct file_operations ab8540_gpadc_bat_ctrl_and_ibat_fops = {
  2061. .open = ab8540_gpadc_bat_ctrl_and_ibat_open,
  2062. .read = seq_read,
  2063. .llseek = seq_lseek,
  2064. .release = single_release,
  2065. .owner = THIS_MODULE,
  2066. };
  2067. static int ab8540_gpadc_vbat_meas_and_ibat_print(struct seq_file *s, void *p)
  2068. {
  2069. int vbat_meas_raw;
  2070. int vbat_meas_convert;
  2071. int ibat_raw;
  2072. int ibat_convert;
  2073. struct ab8500_gpadc *gpadc;
  2074. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  2075. vbat_meas_raw = ab8500_gpadc_double_read_raw(gpadc, VBAT_MEAS_AND_IBAT,
  2076. avg_sample, trig_edge, trig_timer, conv_type, &ibat_raw);
  2077. vbat_meas_convert = ab8500_gpadc_ad_to_voltage(gpadc, MAIN_BAT_V,
  2078. vbat_meas_raw);
  2079. ibat_convert = ab8500_gpadc_ad_to_voltage(gpadc, IBAT_VIRTUAL_CHANNEL,
  2080. ibat_raw);
  2081. return seq_printf(s, "%d,0x%X\n" "%d,0x%X\n",
  2082. vbat_meas_convert, vbat_meas_raw,
  2083. ibat_convert, ibat_raw);
  2084. }
  2085. static int ab8540_gpadc_vbat_meas_and_ibat_open(struct inode *inode,
  2086. struct file *file)
  2087. {
  2088. return single_open(file, ab8540_gpadc_vbat_meas_and_ibat_print,
  2089. inode->i_private);
  2090. }
  2091. static const struct file_operations ab8540_gpadc_vbat_meas_and_ibat_fops = {
  2092. .open = ab8540_gpadc_vbat_meas_and_ibat_open,
  2093. .read = seq_read,
  2094. .llseek = seq_lseek,
  2095. .release = single_release,
  2096. .owner = THIS_MODULE,
  2097. };
  2098. static int ab8540_gpadc_vbat_true_meas_and_ibat_print(struct seq_file *s, void *p)
  2099. {
  2100. int vbat_true_meas_raw;
  2101. int vbat_true_meas_convert;
  2102. int ibat_raw;
  2103. int ibat_convert;
  2104. struct ab8500_gpadc *gpadc;
  2105. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  2106. vbat_true_meas_raw = ab8500_gpadc_double_read_raw(gpadc,
  2107. VBAT_TRUE_MEAS_AND_IBAT, avg_sample, trig_edge,
  2108. trig_timer, conv_type, &ibat_raw);
  2109. vbat_true_meas_convert = ab8500_gpadc_ad_to_voltage(gpadc,
  2110. VBAT_TRUE_MEAS, vbat_true_meas_raw);
  2111. ibat_convert = ab8500_gpadc_ad_to_voltage(gpadc, IBAT_VIRTUAL_CHANNEL,
  2112. ibat_raw);
  2113. return seq_printf(s, "%d,0x%X\n" "%d,0x%X\n",
  2114. vbat_true_meas_convert, vbat_true_meas_raw,
  2115. ibat_convert, ibat_raw);
  2116. }
  2117. static int ab8540_gpadc_vbat_true_meas_and_ibat_open(struct inode *inode,
  2118. struct file *file)
  2119. {
  2120. return single_open(file, ab8540_gpadc_vbat_true_meas_and_ibat_print,
  2121. inode->i_private);
  2122. }
  2123. static const struct file_operations ab8540_gpadc_vbat_true_meas_and_ibat_fops = {
  2124. .open = ab8540_gpadc_vbat_true_meas_and_ibat_open,
  2125. .read = seq_read,
  2126. .llseek = seq_lseek,
  2127. .release = single_release,
  2128. .owner = THIS_MODULE,
  2129. };
  2130. static int ab8540_gpadc_bat_temp_and_ibat_print(struct seq_file *s, void *p)
  2131. {
  2132. int bat_temp_raw;
  2133. int bat_temp_convert;
  2134. int ibat_raw;
  2135. int ibat_convert;
  2136. struct ab8500_gpadc *gpadc;
  2137. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  2138. bat_temp_raw = ab8500_gpadc_double_read_raw(gpadc, BAT_TEMP_AND_IBAT,
  2139. avg_sample, trig_edge, trig_timer, conv_type, &ibat_raw);
  2140. bat_temp_convert = ab8500_gpadc_ad_to_voltage(gpadc, BTEMP_BALL,
  2141. bat_temp_raw);
  2142. ibat_convert = ab8500_gpadc_ad_to_voltage(gpadc, IBAT_VIRTUAL_CHANNEL,
  2143. ibat_raw);
  2144. return seq_printf(s, "%d,0x%X\n" "%d,0x%X\n",
  2145. bat_temp_convert, bat_temp_raw,
  2146. ibat_convert, ibat_raw);
  2147. }
  2148. static int ab8540_gpadc_bat_temp_and_ibat_open(struct inode *inode,
  2149. struct file *file)
  2150. {
  2151. return single_open(file, ab8540_gpadc_bat_temp_and_ibat_print,
  2152. inode->i_private);
  2153. }
  2154. static const struct file_operations ab8540_gpadc_bat_temp_and_ibat_fops = {
  2155. .open = ab8540_gpadc_bat_temp_and_ibat_open,
  2156. .read = seq_read,
  2157. .llseek = seq_lseek,
  2158. .release = single_release,
  2159. .owner = THIS_MODULE,
  2160. };
  2161. static int ab8540_gpadc_otp_cal_print(struct seq_file *s, void *p)
  2162. {
  2163. struct ab8500_gpadc *gpadc;
  2164. u16 vmain_l, vmain_h, btemp_l, btemp_h;
  2165. u16 vbat_l, vbat_h, ibat_l, ibat_h;
  2166. gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
  2167. ab8540_gpadc_get_otp(gpadc, &vmain_l, &vmain_h, &btemp_l, &btemp_h,
  2168. &vbat_l, &vbat_h, &ibat_l, &ibat_h);
  2169. return seq_printf(s, "VMAIN_L:0x%X\n"
  2170. "VMAIN_H:0x%X\n"
  2171. "BTEMP_L:0x%X\n"
  2172. "BTEMP_H:0x%X\n"
  2173. "VBAT_L:0x%X\n"
  2174. "VBAT_H:0x%X\n"
  2175. "IBAT_L:0x%X\n"
  2176. "IBAT_H:0x%X\n",
  2177. vmain_l, vmain_h, btemp_l, btemp_h, vbat_l, vbat_h, ibat_l, ibat_h);
  2178. }
  2179. static int ab8540_gpadc_otp_cal_open(struct inode *inode, struct file *file)
  2180. {
  2181. return single_open(file, ab8540_gpadc_otp_cal_print, inode->i_private);
  2182. }
  2183. static const struct file_operations ab8540_gpadc_otp_calib_fops = {
  2184. .open = ab8540_gpadc_otp_cal_open,
  2185. .read = seq_read,
  2186. .llseek = seq_lseek,
  2187. .release = single_release,
  2188. .owner = THIS_MODULE,
  2189. };
  2190. static int ab8500_gpadc_avg_sample_print(struct seq_file *s, void *p)
  2191. {
  2192. return seq_printf(s, "%d\n", avg_sample);
  2193. }
  2194. static int ab8500_gpadc_avg_sample_open(struct inode *inode, struct file *file)
  2195. {
  2196. return single_open(file, ab8500_gpadc_avg_sample_print,
  2197. inode->i_private);
  2198. }
  2199. static ssize_t ab8500_gpadc_avg_sample_write(struct file *file,
  2200. const char __user *user_buf,
  2201. size_t count, loff_t *ppos)
  2202. {
  2203. struct device *dev = ((struct seq_file *)(file->private_data))->private;
  2204. unsigned long user_avg_sample;
  2205. int err;
  2206. err = kstrtoul_from_user(user_buf, count, 0, &user_avg_sample);
  2207. if (err)
  2208. return err;
  2209. if ((user_avg_sample == SAMPLE_1) || (user_avg_sample == SAMPLE_4)
  2210. || (user_avg_sample == SAMPLE_8)
  2211. || (user_avg_sample == SAMPLE_16)) {
  2212. avg_sample = (u8) user_avg_sample;
  2213. } else {
  2214. dev_err(dev, "debugfs error input: "
  2215. "should be egal to 1, 4, 8 or 16\n");
  2216. return -EINVAL;
  2217. }
  2218. return count;
  2219. }
  2220. static const struct file_operations ab8500_gpadc_avg_sample_fops = {
  2221. .open = ab8500_gpadc_avg_sample_open,
  2222. .read = seq_read,
  2223. .write = ab8500_gpadc_avg_sample_write,
  2224. .llseek = seq_lseek,
  2225. .release = single_release,
  2226. .owner = THIS_MODULE,
  2227. };
  2228. static int ab8500_gpadc_trig_edge_print(struct seq_file *s, void *p)
  2229. {
  2230. return seq_printf(s, "%d\n", trig_edge);
  2231. }
  2232. static int ab8500_gpadc_trig_edge_open(struct inode *inode, struct file *file)
  2233. {
  2234. return single_open(file, ab8500_gpadc_trig_edge_print,
  2235. inode->i_private);
  2236. }
  2237. static ssize_t ab8500_gpadc_trig_edge_write(struct file *file,
  2238. const char __user *user_buf,
  2239. size_t count, loff_t *ppos)
  2240. {
  2241. struct device *dev = ((struct seq_file *)(file->private_data))->private;
  2242. unsigned long user_trig_edge;
  2243. int err;
  2244. err = kstrtoul_from_user(user_buf, count, 0, &user_trig_edge);
  2245. if (err)
  2246. return err;
  2247. if ((user_trig_edge == RISING_EDGE)
  2248. || (user_trig_edge == FALLING_EDGE)) {
  2249. trig_edge = (u8) user_trig_edge;
  2250. } else {
  2251. dev_err(dev, "Wrong input:\n"
  2252. "Enter 0. Rising edge\n"
  2253. "Enter 1. Falling edge\n");
  2254. return -EINVAL;
  2255. }
  2256. return count;
  2257. }
  2258. static const struct file_operations ab8500_gpadc_trig_edge_fops = {
  2259. .open = ab8500_gpadc_trig_edge_open,
  2260. .read = seq_read,
  2261. .write = ab8500_gpadc_trig_edge_write,
  2262. .llseek = seq_lseek,
  2263. .release = single_release,
  2264. .owner = THIS_MODULE,
  2265. };
  2266. static int ab8500_gpadc_trig_timer_print(struct seq_file *s, void *p)
  2267. {
  2268. return seq_printf(s, "%d\n", trig_timer);
  2269. }
  2270. static int ab8500_gpadc_trig_timer_open(struct inode *inode, struct file *file)
  2271. {
  2272. return single_open(file, ab8500_gpadc_trig_timer_print,
  2273. inode->i_private);
  2274. }
  2275. static ssize_t ab8500_gpadc_trig_timer_write(struct file *file,
  2276. const char __user *user_buf,
  2277. size_t count, loff_t *ppos)
  2278. {
  2279. struct device *dev = ((struct seq_file *)(file->private_data))->private;
  2280. unsigned long user_trig_timer;
  2281. int err;
  2282. err = kstrtoul_from_user(user_buf, count, 0, &user_trig_timer);
  2283. if (err)
  2284. return err;
  2285. if ((user_trig_timer >= 0) && (user_trig_timer <= 255)) {
  2286. trig_timer = (u8) user_trig_timer;
  2287. } else {
  2288. dev_err(dev, "debugfs error input: "
  2289. "should be beetween 0 to 255\n");
  2290. return -EINVAL;
  2291. }
  2292. return count;
  2293. }
  2294. static const struct file_operations ab8500_gpadc_trig_timer_fops = {
  2295. .open = ab8500_gpadc_trig_timer_open,
  2296. .read = seq_read,
  2297. .write = ab8500_gpadc_trig_timer_write,
  2298. .llseek = seq_lseek,
  2299. .release = single_release,
  2300. .owner = THIS_MODULE,
  2301. };
  2302. static int ab8500_gpadc_conv_type_print(struct seq_file *s, void *p)
  2303. {
  2304. return seq_printf(s, "%d\n", conv_type);
  2305. }
  2306. static int ab8500_gpadc_conv_type_open(struct inode *inode, struct file *file)
  2307. {
  2308. return single_open(file, ab8500_gpadc_conv_type_print,
  2309. inode->i_private);
  2310. }
  2311. static ssize_t ab8500_gpadc_conv_type_write(struct file *file,
  2312. const char __user *user_buf,
  2313. size_t count, loff_t *ppos)
  2314. {
  2315. struct device *dev = ((struct seq_file *)(file->private_data))->private;
  2316. unsigned long user_conv_type;
  2317. int err;
  2318. err = kstrtoul_from_user(user_buf, count, 0, &user_conv_type);
  2319. if (err)
  2320. return err;
  2321. if ((user_conv_type == ADC_SW)
  2322. || (user_conv_type == ADC_HW)) {
  2323. conv_type = (u8) user_conv_type;
  2324. } else {
  2325. dev_err(dev, "Wrong input:\n"
  2326. "Enter 0. ADC SW conversion\n"
  2327. "Enter 1. ADC HW conversion\n");
  2328. return -EINVAL;
  2329. }
  2330. return count;
  2331. }
  2332. static const struct file_operations ab8500_gpadc_conv_type_fops = {
  2333. .open = ab8500_gpadc_conv_type_open,
  2334. .read = seq_read,
  2335. .write = ab8500_gpadc_conv_type_write,
  2336. .llseek = seq_lseek,
  2337. .release = single_release,
  2338. .owner = THIS_MODULE,
  2339. };
  2340. /*
  2341. * return length of an ASCII numerical value, 0 is string is not a
  2342. * numerical value.
  2343. * string shall start at value 1st char.
  2344. * string can be tailed with \0 or space or newline chars only.
  2345. * value can be decimal or hexadecimal (prefixed 0x or 0X).
  2346. */
  2347. static int strval_len(char *b)
  2348. {
  2349. char *s = b;
  2350. if ((*s == '0') && ((*(s+1) == 'x') || (*(s+1) == 'X'))) {
  2351. s += 2;
  2352. for (; *s && (*s != ' ') && (*s != '\n'); s++) {
  2353. if (!isxdigit(*s))
  2354. return 0;
  2355. }
  2356. } else {
  2357. if (*s == '-')
  2358. s++;
  2359. for (; *s && (*s != ' ') && (*s != '\n'); s++) {
  2360. if (!isdigit(*s))
  2361. return 0;
  2362. }
  2363. }
  2364. return (int) (s-b);
  2365. }
  2366. /*
  2367. * parse hwreg input data.
  2368. * update global hwreg_cfg only if input data syntax is ok.
  2369. */
  2370. static ssize_t hwreg_common_write(char *b, struct hwreg_cfg *cfg,
  2371. struct device *dev)
  2372. {
  2373. uint write, val = 0;
  2374. u8 regvalue;
  2375. int ret;
  2376. struct hwreg_cfg loc = {
  2377. .bank = 0, /* default: invalid phys addr */
  2378. .addr = 0, /* default: invalid phys addr */
  2379. .fmt = 0, /* default: 32bit access, hex output */
  2380. .mask = 0xFFFFFFFF, /* default: no mask */
  2381. .shift = 0, /* default: no bit shift */
  2382. };
  2383. /* read or write ? */
  2384. if (!strncmp(b, "read ", 5)) {
  2385. write = 0;
  2386. b += 5;
  2387. } else if (!strncmp(b, "write ", 6)) {
  2388. write = 1;
  2389. b += 6;
  2390. } else
  2391. return -EINVAL;
  2392. /* OPTIONS -l|-w|-b -s -m -o */
  2393. while ((*b == ' ') || (*b == '-')) {
  2394. if (*(b-1) != ' ') {
  2395. b++;
  2396. continue;
  2397. }
  2398. if ((!strncmp(b, "-d ", 3)) ||
  2399. (!strncmp(b, "-dec ", 5))) {
  2400. b += (*(b+2) == ' ') ? 3 : 5;
  2401. loc.fmt |= (1<<0);
  2402. } else if ((!strncmp(b, "-h ", 3)) ||
  2403. (!strncmp(b, "-hex ", 5))) {
  2404. b += (*(b+2) == ' ') ? 3 : 5;
  2405. loc.fmt &= ~(1<<0);
  2406. } else if ((!strncmp(b, "-m ", 3)) ||
  2407. (!strncmp(b, "-mask ", 6))) {
  2408. b += (*(b+2) == ' ') ? 3 : 6;
  2409. if (strval_len(b) == 0)
  2410. return -EINVAL;
  2411. loc.mask = simple_strtoul(b, &b, 0);
  2412. } else if ((!strncmp(b, "-s ", 3)) ||
  2413. (!strncmp(b, "-shift ", 7))) {
  2414. b += (*(b+2) == ' ') ? 3 : 7;
  2415. if (strval_len(b) == 0)
  2416. return -EINVAL;
  2417. loc.shift = simple_strtol(b, &b, 0);
  2418. } else {
  2419. return -EINVAL;
  2420. }
  2421. }
  2422. /* get arg BANK and ADDRESS */
  2423. if (strval_len(b) == 0)
  2424. return -EINVAL;
  2425. loc.bank = simple_strtoul(b, &b, 0);
  2426. while (*b == ' ')
  2427. b++;
  2428. if (strval_len(b) == 0)
  2429. return -EINVAL;
  2430. loc.addr = simple_strtoul(b, &b, 0);
  2431. if (write) {
  2432. while (*b == ' ')
  2433. b++;
  2434. if (strval_len(b) == 0)
  2435. return -EINVAL;
  2436. val = simple_strtoul(b, &b, 0);
  2437. }
  2438. /* args are ok, update target cfg (mainly for read) */
  2439. *cfg = loc;
  2440. #ifdef ABB_HWREG_DEBUG
  2441. pr_warn("HWREG request: %s, %s, addr=0x%08X, mask=0x%X, shift=%d"
  2442. "value=0x%X\n", (write) ? "write" : "read",
  2443. REG_FMT_DEC(cfg) ? "decimal" : "hexa",
  2444. cfg->addr, cfg->mask, cfg->shift, val);
  2445. #endif
  2446. if (!write)
  2447. return 0;
  2448. ret = abx500_get_register_interruptible(dev,
  2449. (u8)cfg->bank, (u8)cfg->addr, &regvalue);
  2450. if (ret < 0) {
  2451. dev_err(dev, "abx500_get_reg fail %d, %d\n",
  2452. ret, __LINE__);
  2453. return -EINVAL;
  2454. }
  2455. if (cfg->shift >= 0) {
  2456. regvalue &= ~(cfg->mask << (cfg->shift));
  2457. val = (val & cfg->mask) << (cfg->shift);
  2458. } else {
  2459. regvalue &= ~(cfg->mask >> (-cfg->shift));
  2460. val = (val & cfg->mask) >> (-cfg->shift);
  2461. }
  2462. val = val | regvalue;
  2463. ret = abx500_set_register_interruptible(dev,
  2464. (u8)cfg->bank, (u8)cfg->addr, (u8)val);
  2465. if (ret < 0) {
  2466. pr_err("abx500_set_reg failed %d, %d", ret, __LINE__);
  2467. return -EINVAL;
  2468. }
  2469. return 0;
  2470. }
  2471. static ssize_t ab8500_hwreg_write(struct file *file,
  2472. const char __user *user_buf, size_t count, loff_t *ppos)
  2473. {
  2474. struct device *dev = ((struct seq_file *)(file->private_data))->private;
  2475. char buf[128];
  2476. int buf_size, ret;
  2477. /* Get userspace string and assure termination */
  2478. buf_size = min(count, (sizeof(buf)-1));
  2479. if (copy_from_user(buf, user_buf, buf_size))
  2480. return -EFAULT;
  2481. buf[buf_size] = 0;
  2482. /* get args and process */
  2483. ret = hwreg_common_write(buf, &hwreg_cfg, dev);
  2484. return (ret) ? ret : buf_size;
  2485. }
  2486. /*
  2487. * - irq subscribe/unsubscribe stuff
  2488. */
  2489. static int ab8500_subscribe_unsubscribe_print(struct seq_file *s, void *p)
  2490. {
  2491. seq_printf(s, "%d\n", irq_first);
  2492. return 0;
  2493. }
  2494. static int ab8500_subscribe_unsubscribe_open(struct inode *inode,
  2495. struct file *file)
  2496. {
  2497. return single_open(file, ab8500_subscribe_unsubscribe_print,
  2498. inode->i_private);
  2499. }
  2500. /*
  2501. * Userspace should use poll() on this file. When an event occur
  2502. * the blocking poll will be released.
  2503. */
  2504. static ssize_t show_irq(struct device *dev,
  2505. struct device_attribute *attr, char *buf)
  2506. {
  2507. unsigned long name;
  2508. unsigned int irq_index;
  2509. int err;
  2510. err = strict_strtoul(attr->attr.name, 0, &name);
  2511. if (err)
  2512. return err;
  2513. irq_index = name - irq_first;
  2514. if (irq_index >= num_irqs)
  2515. return -EINVAL;
  2516. else
  2517. return sprintf(buf, "%u\n", irq_count[irq_index]);
  2518. }
  2519. static ssize_t ab8500_subscribe_write(struct file *file,
  2520. const char __user *user_buf,
  2521. size_t count, loff_t *ppos)
  2522. {
  2523. struct device *dev = ((struct seq_file *)(file->private_data))->private;
  2524. unsigned long user_val;
  2525. int err;
  2526. unsigned int irq_index;
  2527. err = kstrtoul_from_user(user_buf, count, 0, &user_val);
  2528. if (err)
  2529. return err;
  2530. if (user_val < irq_first) {
  2531. dev_err(dev, "debugfs error input < %d\n", irq_first);
  2532. return -EINVAL;
  2533. }
  2534. if (user_val > irq_last) {
  2535. dev_err(dev, "debugfs error input > %d\n", irq_last);
  2536. return -EINVAL;
  2537. }
  2538. irq_index = user_val - irq_first;
  2539. if (irq_index >= num_irqs)
  2540. return -EINVAL;
  2541. /*
  2542. * This will create a sysfs file named <irq-nr> which userspace can
  2543. * use to select or poll and get the AB8500 events
  2544. */
  2545. dev_attr[irq_index] = kmalloc(sizeof(struct device_attribute),
  2546. GFP_KERNEL);
  2547. event_name[irq_index] = kmalloc(count, GFP_KERNEL);
  2548. sprintf(event_name[irq_index], "%lu", user_val);
  2549. dev_attr[irq_index]->show = show_irq;
  2550. dev_attr[irq_index]->store = NULL;
  2551. dev_attr[irq_index]->attr.name = event_name[irq_index];
  2552. dev_attr[irq_index]->attr.mode = S_IRUGO;
  2553. err = sysfs_create_file(&dev->kobj, &dev_attr[irq_index]->attr);
  2554. if (err < 0) {
  2555. printk(KERN_ERR "sysfs_create_file failed %d\n", err);
  2556. return err;
  2557. }
  2558. err = request_threaded_irq(user_val, NULL, ab8500_debug_handler,
  2559. IRQF_SHARED | IRQF_NO_SUSPEND,
  2560. "ab8500-debug", &dev->kobj);
  2561. if (err < 0) {
  2562. printk(KERN_ERR "request_threaded_irq failed %d, %lu\n",
  2563. err, user_val);
  2564. sysfs_remove_file(&dev->kobj, &dev_attr[irq_index]->attr);
  2565. return err;
  2566. }
  2567. return count;
  2568. }
  2569. static ssize_t ab8500_unsubscribe_write(struct file *file,
  2570. const char __user *user_buf,
  2571. size_t count, loff_t *ppos)
  2572. {
  2573. struct device *dev = ((struct seq_file *)(file->private_data))->private;
  2574. unsigned long user_val;
  2575. int err;
  2576. unsigned int irq_index;
  2577. err = kstrtoul_from_user(user_buf, count, 0, &user_val);
  2578. if (err)
  2579. return err;
  2580. if (user_val < irq_first) {
  2581. dev_err(dev, "debugfs error input < %d\n", irq_first);
  2582. return -EINVAL;
  2583. }
  2584. if (user_val > irq_last) {
  2585. dev_err(dev, "debugfs error input > %d\n", irq_last);
  2586. return -EINVAL;
  2587. }
  2588. irq_index = user_val - irq_first;
  2589. if (irq_index >= num_irqs)
  2590. return -EINVAL;
  2591. /* Set irq count to 0 when unsubscribe */
  2592. irq_count[irq_index] = 0;
  2593. if (dev_attr[irq_index])
  2594. sysfs_remove_file(&dev->kobj, &dev_attr[irq_index]->attr);
  2595. free_irq(user_val, &dev->kobj);
  2596. kfree(event_name[irq_index]);
  2597. kfree(dev_attr[irq_index]);
  2598. return count;
  2599. }
  2600. /*
  2601. * - several deubgfs nodes fops
  2602. */
  2603. static const struct file_operations ab8500_bank_fops = {
  2604. .open = ab8500_bank_open,
  2605. .write = ab8500_bank_write,
  2606. .read = seq_read,
  2607. .llseek = seq_lseek,
  2608. .release = single_release,
  2609. .owner = THIS_MODULE,
  2610. };
  2611. static const struct file_operations ab8500_address_fops = {
  2612. .open = ab8500_address_open,
  2613. .write = ab8500_address_write,
  2614. .read = seq_read,
  2615. .llseek = seq_lseek,
  2616. .release = single_release,
  2617. .owner = THIS_MODULE,
  2618. };
  2619. static const struct file_operations ab8500_val_fops = {
  2620. .open = ab8500_val_open,
  2621. .write = ab8500_val_write,
  2622. .read = seq_read,
  2623. .llseek = seq_lseek,
  2624. .release = single_release,
  2625. .owner = THIS_MODULE,
  2626. };
  2627. static const struct file_operations ab8500_interrupts_fops = {
  2628. .open = ab8500_interrupts_open,
  2629. .read = seq_read,
  2630. .llseek = seq_lseek,
  2631. .release = single_release,
  2632. .owner = THIS_MODULE,
  2633. };
  2634. static const struct file_operations ab8500_subscribe_fops = {
  2635. .open = ab8500_subscribe_unsubscribe_open,
  2636. .write = ab8500_subscribe_write,
  2637. .read = seq_read,
  2638. .llseek = seq_lseek,
  2639. .release = single_release,
  2640. .owner = THIS_MODULE,
  2641. };
  2642. static const struct file_operations ab8500_unsubscribe_fops = {
  2643. .open = ab8500_subscribe_unsubscribe_open,
  2644. .write = ab8500_unsubscribe_write,
  2645. .read = seq_read,
  2646. .llseek = seq_lseek,
  2647. .release = single_release,
  2648. .owner = THIS_MODULE,
  2649. };
  2650. static const struct file_operations ab8500_hwreg_fops = {
  2651. .open = ab8500_hwreg_open,
  2652. .write = ab8500_hwreg_write,
  2653. .read = seq_read,
  2654. .llseek = seq_lseek,
  2655. .release = single_release,
  2656. .owner = THIS_MODULE,
  2657. };
  2658. static struct dentry *ab8500_dir;
  2659. static struct dentry *ab8500_gpadc_dir;
  2660. static int ab8500_debug_probe(struct platform_device *plf)
  2661. {
  2662. struct dentry *file;
  2663. int ret = -ENOMEM;
  2664. struct ab8500 *ab8500;
  2665. debug_bank = AB8500_MISC;
  2666. debug_address = AB8500_REV_REG & 0x00FF;
  2667. ab8500 = dev_get_drvdata(plf->dev.parent);
  2668. num_irqs = ab8500->mask_size;
  2669. irq_count = kzalloc(sizeof(*irq_count)*num_irqs, GFP_KERNEL);
  2670. if (!irq_count)
  2671. return -ENOMEM;
  2672. dev_attr = kzalloc(sizeof(*dev_attr)*num_irqs,GFP_KERNEL);
  2673. if (!dev_attr)
  2674. goto out_freeirq_count;
  2675. event_name = kzalloc(sizeof(*event_name)*num_irqs, GFP_KERNEL);
  2676. if (!event_name)
  2677. goto out_freedev_attr;
  2678. irq_first = platform_get_irq_byname(plf, "IRQ_FIRST");
  2679. if (irq_first < 0) {
  2680. dev_err(&plf->dev, "First irq not found, err %d\n",
  2681. irq_first);
  2682. ret = irq_first;
  2683. goto out_freeevent_name;
  2684. }
  2685. irq_last = platform_get_irq_byname(plf, "IRQ_LAST");
  2686. if (irq_last < 0) {
  2687. dev_err(&plf->dev, "Last irq not found, err %d\n",
  2688. irq_last);
  2689. ret = irq_last;
  2690. goto out_freeevent_name;
  2691. }
  2692. ab8500_dir = debugfs_create_dir(AB8500_NAME_STRING, NULL);
  2693. if (!ab8500_dir)
  2694. goto err;
  2695. ab8500_gpadc_dir = debugfs_create_dir(AB8500_ADC_NAME_STRING,
  2696. ab8500_dir);
  2697. if (!ab8500_gpadc_dir)
  2698. goto err;
  2699. file = debugfs_create_file("all-bank-registers", S_IRUGO,
  2700. ab8500_dir, &plf->dev, &ab8500_registers_fops);
  2701. if (!file)
  2702. goto err;
  2703. file = debugfs_create_file("all-banks", S_IRUGO,
  2704. ab8500_dir, &plf->dev, &ab8500_all_banks_fops);
  2705. if (!file)
  2706. goto err;
  2707. file = debugfs_create_file("register-bank", (S_IRUGO | S_IWUSR | S_IWGRP),
  2708. ab8500_dir, &plf->dev, &ab8500_bank_fops);
  2709. if (!file)
  2710. goto err;
  2711. file = debugfs_create_file("register-address", (S_IRUGO | S_IWUSR | S_IWGRP),
  2712. ab8500_dir, &plf->dev, &ab8500_address_fops);
  2713. if (!file)
  2714. goto err;
  2715. file = debugfs_create_file("register-value", (S_IRUGO | S_IWUSR | S_IWGRP),
  2716. ab8500_dir, &plf->dev, &ab8500_val_fops);
  2717. if (!file)
  2718. goto err;
  2719. file = debugfs_create_file("irq-subscribe", (S_IRUGO | S_IWUSR | S_IWGRP),
  2720. ab8500_dir, &plf->dev, &ab8500_subscribe_fops);
  2721. if (!file)
  2722. goto err;
  2723. if (is_ab8500(ab8500)) {
  2724. debug_ranges = ab8500_debug_ranges;
  2725. num_interrupt_lines = AB8500_NR_IRQS;
  2726. } else if (is_ab8505(ab8500)) {
  2727. debug_ranges = ab8505_debug_ranges;
  2728. num_interrupt_lines = AB8505_NR_IRQS;
  2729. } else if (is_ab9540(ab8500)) {
  2730. debug_ranges = ab8505_debug_ranges;
  2731. num_interrupt_lines = AB9540_NR_IRQS;
  2732. } else if (is_ab8540(ab8500)) {
  2733. debug_ranges = ab8540_debug_ranges;
  2734. num_interrupt_lines = AB8540_NR_IRQS;
  2735. }
  2736. file = debugfs_create_file("interrupts", (S_IRUGO),
  2737. ab8500_dir, &plf->dev, &ab8500_interrupts_fops);
  2738. if (!file)
  2739. goto err;
  2740. file = debugfs_create_file("irq-unsubscribe", (S_IRUGO | S_IWUSR | S_IWGRP),
  2741. ab8500_dir, &plf->dev, &ab8500_unsubscribe_fops);
  2742. if (!file)
  2743. goto err;
  2744. file = debugfs_create_file("hwreg", (S_IRUGO | S_IWUSR | S_IWGRP),
  2745. ab8500_dir, &plf->dev, &ab8500_hwreg_fops);
  2746. if (!file)
  2747. goto err;
  2748. file = debugfs_create_file("all-modem-registers", (S_IRUGO | S_IWUSR | S_IWGRP),
  2749. ab8500_dir, &plf->dev, &ab8500_modem_fops);
  2750. if (!file)
  2751. goto err;
  2752. file = debugfs_create_file("bat_ctrl", (S_IRUGO | S_IWUSR | S_IWGRP),
  2753. ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_bat_ctrl_fops);
  2754. if (!file)
  2755. goto err;
  2756. file = debugfs_create_file("btemp_ball", (S_IRUGO | S_IWUSR | S_IWGRP),
  2757. ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_btemp_ball_fops);
  2758. if (!file)
  2759. goto err;
  2760. file = debugfs_create_file("main_charger_v", (S_IRUGO | S_IWUSR | S_IWGRP),
  2761. ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_main_charger_v_fops);
  2762. if (!file)
  2763. goto err;
  2764. file = debugfs_create_file("acc_detect1", (S_IRUGO | S_IWUSR | S_IWGRP),
  2765. ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_acc_detect1_fops);
  2766. if (!file)
  2767. goto err;
  2768. file = debugfs_create_file("acc_detect2", (S_IRUGO | S_IWUSR | S_IWGRP),
  2769. ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_acc_detect2_fops);
  2770. if (!file)
  2771. goto err;
  2772. file = debugfs_create_file("adc_aux1", (S_IRUGO | S_IWUSR | S_IWGRP),
  2773. ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_aux1_fops);
  2774. if (!file)
  2775. goto err;
  2776. file = debugfs_create_file("adc_aux2", (S_IRUGO | S_IWUSR | S_IWGRP),
  2777. ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_aux2_fops);
  2778. if (!file)
  2779. goto err;
  2780. file = debugfs_create_file("main_bat_v", (S_IRUGO | S_IWUSR | S_IWGRP),
  2781. ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_main_bat_v_fops);
  2782. if (!file)
  2783. goto err;
  2784. file = debugfs_create_file("vbus_v", (S_IRUGO | S_IWUSR | S_IWGRP),
  2785. ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_vbus_v_fops);
  2786. if (!file)
  2787. goto err;
  2788. file = debugfs_create_file("main_charger_c", (S_IRUGO | S_IWUSR | S_IWGRP),
  2789. ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_main_charger_c_fops);
  2790. if (!file)
  2791. goto err;
  2792. file = debugfs_create_file("usb_charger_c", (S_IRUGO | S_IWUSR | S_IWGRP),
  2793. ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_usb_charger_c_fops);
  2794. if (!file)
  2795. goto err;
  2796. file = debugfs_create_file("bk_bat_v", (S_IRUGO | S_IWUSR | S_IWGRP),
  2797. ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_bk_bat_v_fops);
  2798. if (!file)
  2799. goto err;
  2800. file = debugfs_create_file("die_temp", (S_IRUGO | S_IWUSR | S_IWGRP),
  2801. ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_die_temp_fops);
  2802. if (!file)
  2803. goto err;
  2804. file = debugfs_create_file("usb_id", (S_IRUGO | S_IWUSR | S_IWGRP),
  2805. ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_usb_id_fops);
  2806. if (!file)
  2807. goto err;
  2808. if (is_ab8540(ab8500)) {
  2809. file = debugfs_create_file("xtal_temp", (S_IRUGO | S_IWUSR | S_IWGRP),
  2810. ab8500_gpadc_dir, &plf->dev, &ab8540_gpadc_xtal_temp_fops);
  2811. if (!file)
  2812. goto err;
  2813. file = debugfs_create_file("vbattruemeas", (S_IRUGO | S_IWUSR | S_IWGRP),
  2814. ab8500_gpadc_dir, &plf->dev,
  2815. &ab8540_gpadc_vbat_true_meas_fops);
  2816. if (!file)
  2817. goto err;
  2818. file = debugfs_create_file("batctrl_and_ibat",
  2819. (S_IRUGO | S_IWUGO), ab8500_gpadc_dir,
  2820. &plf->dev, &ab8540_gpadc_bat_ctrl_and_ibat_fops);
  2821. if (!file)
  2822. goto err;
  2823. file = debugfs_create_file("vbatmeas_and_ibat",
  2824. (S_IRUGO | S_IWUGO), ab8500_gpadc_dir,
  2825. &plf->dev,
  2826. &ab8540_gpadc_vbat_meas_and_ibat_fops);
  2827. if (!file)
  2828. goto err;
  2829. file = debugfs_create_file("vbattruemeas_and_ibat",
  2830. (S_IRUGO | S_IWUGO), ab8500_gpadc_dir,
  2831. &plf->dev,
  2832. &ab8540_gpadc_vbat_true_meas_and_ibat_fops);
  2833. if (!file)
  2834. goto err;
  2835. file = debugfs_create_file("battemp_and_ibat",
  2836. (S_IRUGO | S_IWUGO), ab8500_gpadc_dir,
  2837. &plf->dev, &ab8540_gpadc_bat_temp_and_ibat_fops);
  2838. if (!file)
  2839. goto err;
  2840. file = debugfs_create_file("otp_calib", (S_IRUGO | S_IWUSR | S_IWGRP),
  2841. ab8500_gpadc_dir, &plf->dev, &ab8540_gpadc_otp_calib_fops);
  2842. if (!file)
  2843. goto err;
  2844. }
  2845. file = debugfs_create_file("avg_sample", (S_IRUGO | S_IWUSR | S_IWGRP),
  2846. ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_avg_sample_fops);
  2847. if (!file)
  2848. goto err;
  2849. file = debugfs_create_file("trig_edge", (S_IRUGO | S_IWUSR | S_IWGRP),
  2850. ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_trig_edge_fops);
  2851. if (!file)
  2852. goto err;
  2853. file = debugfs_create_file("trig_timer", (S_IRUGO | S_IWUSR | S_IWGRP),
  2854. ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_trig_timer_fops);
  2855. if (!file)
  2856. goto err;
  2857. file = debugfs_create_file("conv_type", (S_IRUGO | S_IWUSR | S_IWGRP),
  2858. ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_conv_type_fops);
  2859. if (!file)
  2860. goto err;
  2861. return 0;
  2862. err:
  2863. if (ab8500_dir)
  2864. debugfs_remove_recursive(ab8500_dir);
  2865. dev_err(&plf->dev, "failed to create debugfs entries.\n");
  2866. out_freeevent_name:
  2867. kfree(event_name);
  2868. out_freedev_attr:
  2869. kfree(dev_attr);
  2870. out_freeirq_count:
  2871. kfree(irq_count);
  2872. return ret;
  2873. }
  2874. static int ab8500_debug_remove(struct platform_device *plf)
  2875. {
  2876. debugfs_remove_recursive(ab8500_dir);
  2877. kfree(event_name);
  2878. kfree(dev_attr);
  2879. kfree(irq_count);
  2880. return 0;
  2881. }
  2882. static struct platform_driver ab8500_debug_driver = {
  2883. .driver = {
  2884. .name = "ab8500-debug",
  2885. .owner = THIS_MODULE,
  2886. },
  2887. .probe = ab8500_debug_probe,
  2888. .remove = ab8500_debug_remove
  2889. };
  2890. static int __init ab8500_debug_init(void)
  2891. {
  2892. return platform_driver_register(&ab8500_debug_driver);
  2893. }
  2894. static void __exit ab8500_debug_exit(void)
  2895. {
  2896. platform_driver_unregister(&ab8500_debug_driver);
  2897. }
  2898. subsys_initcall(ab8500_debug_init);
  2899. module_exit(ab8500_debug_exit);
  2900. MODULE_AUTHOR("Mattias WALLIN <mattias.wallin@stericsson.com");
  2901. MODULE_DESCRIPTION("AB8500 DEBUG");
  2902. MODULE_LICENSE("GPL v2");