max98095.c 67 KB

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  1. /*
  2. * max98095.c -- MAX98095 ALSA SoC Audio driver
  3. *
  4. * Copyright 2011 Maxim Integrated Products
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License version 2 as
  8. * published by the Free Software Foundation.
  9. */
  10. #include <linux/module.h>
  11. #include <linux/moduleparam.h>
  12. #include <linux/kernel.h>
  13. #include <linux/init.h>
  14. #include <linux/delay.h>
  15. #include <linux/pm.h>
  16. #include <linux/i2c.h>
  17. #include <sound/core.h>
  18. #include <sound/pcm.h>
  19. #include <sound/pcm_params.h>
  20. #include <sound/soc.h>
  21. #include <sound/initval.h>
  22. #include <sound/tlv.h>
  23. #include <linux/slab.h>
  24. #include <asm/div64.h>
  25. #include <sound/max98095.h>
  26. #include <sound/jack.h>
  27. #include "max98095.h"
  28. enum max98095_type {
  29. MAX98095,
  30. };
  31. struct max98095_cdata {
  32. unsigned int rate;
  33. unsigned int fmt;
  34. int eq_sel;
  35. int bq_sel;
  36. };
  37. struct max98095_priv {
  38. struct regmap *regmap;
  39. enum max98095_type devtype;
  40. struct max98095_pdata *pdata;
  41. unsigned int sysclk;
  42. struct max98095_cdata dai[3];
  43. const char **eq_texts;
  44. const char **bq_texts;
  45. struct soc_enum eq_enum;
  46. struct soc_enum bq_enum;
  47. int eq_textcnt;
  48. int bq_textcnt;
  49. u8 lin_state;
  50. unsigned int mic1pre;
  51. unsigned int mic2pre;
  52. struct snd_soc_jack *headphone_jack;
  53. struct snd_soc_jack *mic_jack;
  54. };
  55. static const struct reg_default max98095_reg_def[] = {
  56. { 0xf, 0x00 }, /* 0F */
  57. { 0x10, 0x00 }, /* 10 */
  58. { 0x11, 0x00 }, /* 11 */
  59. { 0x12, 0x00 }, /* 12 */
  60. { 0x13, 0x00 }, /* 13 */
  61. { 0x14, 0x00 }, /* 14 */
  62. { 0x15, 0x00 }, /* 15 */
  63. { 0x16, 0x00 }, /* 16 */
  64. { 0x17, 0x00 }, /* 17 */
  65. { 0x18, 0x00 }, /* 18 */
  66. { 0x19, 0x00 }, /* 19 */
  67. { 0x1a, 0x00 }, /* 1A */
  68. { 0x1b, 0x00 }, /* 1B */
  69. { 0x1c, 0x00 }, /* 1C */
  70. { 0x1d, 0x00 }, /* 1D */
  71. { 0x1e, 0x00 }, /* 1E */
  72. { 0x1f, 0x00 }, /* 1F */
  73. { 0x20, 0x00 }, /* 20 */
  74. { 0x21, 0x00 }, /* 21 */
  75. { 0x22, 0x00 }, /* 22 */
  76. { 0x23, 0x00 }, /* 23 */
  77. { 0x24, 0x00 }, /* 24 */
  78. { 0x25, 0x00 }, /* 25 */
  79. { 0x26, 0x00 }, /* 26 */
  80. { 0x27, 0x00 }, /* 27 */
  81. { 0x28, 0x00 }, /* 28 */
  82. { 0x29, 0x00 }, /* 29 */
  83. { 0x2a, 0x00 }, /* 2A */
  84. { 0x2b, 0x00 }, /* 2B */
  85. { 0x2c, 0x00 }, /* 2C */
  86. { 0x2d, 0x00 }, /* 2D */
  87. { 0x2e, 0x00 }, /* 2E */
  88. { 0x2f, 0x00 }, /* 2F */
  89. { 0x30, 0x00 }, /* 30 */
  90. { 0x31, 0x00 }, /* 31 */
  91. { 0x32, 0x00 }, /* 32 */
  92. { 0x33, 0x00 }, /* 33 */
  93. { 0x34, 0x00 }, /* 34 */
  94. { 0x35, 0x00 }, /* 35 */
  95. { 0x36, 0x00 }, /* 36 */
  96. { 0x37, 0x00 }, /* 37 */
  97. { 0x38, 0x00 }, /* 38 */
  98. { 0x39, 0x00 }, /* 39 */
  99. { 0x3a, 0x00 }, /* 3A */
  100. { 0x3b, 0x00 }, /* 3B */
  101. { 0x3c, 0x00 }, /* 3C */
  102. { 0x3d, 0x00 }, /* 3D */
  103. { 0x3e, 0x00 }, /* 3E */
  104. { 0x3f, 0x00 }, /* 3F */
  105. { 0x40, 0x00 }, /* 40 */
  106. { 0x41, 0x00 }, /* 41 */
  107. { 0x42, 0x00 }, /* 42 */
  108. { 0x43, 0x00 }, /* 43 */
  109. { 0x44, 0x00 }, /* 44 */
  110. { 0x45, 0x00 }, /* 45 */
  111. { 0x46, 0x00 }, /* 46 */
  112. { 0x47, 0x00 }, /* 47 */
  113. { 0x48, 0x00 }, /* 48 */
  114. { 0x49, 0x00 }, /* 49 */
  115. { 0x4a, 0x00 }, /* 4A */
  116. { 0x4b, 0x00 }, /* 4B */
  117. { 0x4c, 0x00 }, /* 4C */
  118. { 0x4d, 0x00 }, /* 4D */
  119. { 0x4e, 0x00 }, /* 4E */
  120. { 0x4f, 0x00 }, /* 4F */
  121. { 0x50, 0x00 }, /* 50 */
  122. { 0x51, 0x00 }, /* 51 */
  123. { 0x52, 0x00 }, /* 52 */
  124. { 0x53, 0x00 }, /* 53 */
  125. { 0x54, 0x00 }, /* 54 */
  126. { 0x55, 0x00 }, /* 55 */
  127. { 0x56, 0x00 }, /* 56 */
  128. { 0x57, 0x00 }, /* 57 */
  129. { 0x58, 0x00 }, /* 58 */
  130. { 0x59, 0x00 }, /* 59 */
  131. { 0x5a, 0x00 }, /* 5A */
  132. { 0x5b, 0x00 }, /* 5B */
  133. { 0x5c, 0x00 }, /* 5C */
  134. { 0x5d, 0x00 }, /* 5D */
  135. { 0x5e, 0x00 }, /* 5E */
  136. { 0x5f, 0x00 }, /* 5F */
  137. { 0x60, 0x00 }, /* 60 */
  138. { 0x61, 0x00 }, /* 61 */
  139. { 0x62, 0x00 }, /* 62 */
  140. { 0x63, 0x00 }, /* 63 */
  141. { 0x64, 0x00 }, /* 64 */
  142. { 0x65, 0x00 }, /* 65 */
  143. { 0x66, 0x00 }, /* 66 */
  144. { 0x67, 0x00 }, /* 67 */
  145. { 0x68, 0x00 }, /* 68 */
  146. { 0x69, 0x00 }, /* 69 */
  147. { 0x6a, 0x00 }, /* 6A */
  148. { 0x6b, 0x00 }, /* 6B */
  149. { 0x6c, 0x00 }, /* 6C */
  150. { 0x6d, 0x00 }, /* 6D */
  151. { 0x6e, 0x00 }, /* 6E */
  152. { 0x6f, 0x00 }, /* 6F */
  153. { 0x70, 0x00 }, /* 70 */
  154. { 0x71, 0x00 }, /* 71 */
  155. { 0x72, 0x00 }, /* 72 */
  156. { 0x73, 0x00 }, /* 73 */
  157. { 0x74, 0x00 }, /* 74 */
  158. { 0x75, 0x00 }, /* 75 */
  159. { 0x76, 0x00 }, /* 76 */
  160. { 0x77, 0x00 }, /* 77 */
  161. { 0x78, 0x00 }, /* 78 */
  162. { 0x79, 0x00 }, /* 79 */
  163. { 0x7a, 0x00 }, /* 7A */
  164. { 0x7b, 0x00 }, /* 7B */
  165. { 0x7c, 0x00 }, /* 7C */
  166. { 0x7d, 0x00 }, /* 7D */
  167. { 0x7e, 0x00 }, /* 7E */
  168. { 0x7f, 0x00 }, /* 7F */
  169. { 0x80, 0x00 }, /* 80 */
  170. { 0x81, 0x00 }, /* 81 */
  171. { 0x82, 0x00 }, /* 82 */
  172. { 0x83, 0x00 }, /* 83 */
  173. { 0x84, 0x00 }, /* 84 */
  174. { 0x85, 0x00 }, /* 85 */
  175. { 0x86, 0x00 }, /* 86 */
  176. { 0x87, 0x00 }, /* 87 */
  177. { 0x88, 0x00 }, /* 88 */
  178. { 0x89, 0x00 }, /* 89 */
  179. { 0x8a, 0x00 }, /* 8A */
  180. { 0x8b, 0x00 }, /* 8B */
  181. { 0x8c, 0x00 }, /* 8C */
  182. { 0x8d, 0x00 }, /* 8D */
  183. { 0x8e, 0x00 }, /* 8E */
  184. { 0x8f, 0x00 }, /* 8F */
  185. { 0x90, 0x00 }, /* 90 */
  186. { 0x91, 0x00 }, /* 91 */
  187. { 0x92, 0x30 }, /* 92 */
  188. { 0x93, 0xF0 }, /* 93 */
  189. { 0x94, 0x00 }, /* 94 */
  190. { 0x95, 0x00 }, /* 95 */
  191. { 0x96, 0x3F }, /* 96 */
  192. { 0x97, 0x00 }, /* 97 */
  193. { 0xff, 0x00 }, /* FF */
  194. };
  195. static struct {
  196. int readable;
  197. int writable;
  198. } max98095_access[M98095_REG_CNT] = {
  199. { 0x00, 0x00 }, /* 00 */
  200. { 0xFF, 0x00 }, /* 01 */
  201. { 0xFF, 0x00 }, /* 02 */
  202. { 0xFF, 0x00 }, /* 03 */
  203. { 0xFF, 0x00 }, /* 04 */
  204. { 0xFF, 0x00 }, /* 05 */
  205. { 0xFF, 0x00 }, /* 06 */
  206. { 0xFF, 0x00 }, /* 07 */
  207. { 0xFF, 0x00 }, /* 08 */
  208. { 0xFF, 0x00 }, /* 09 */
  209. { 0xFF, 0x00 }, /* 0A */
  210. { 0xFF, 0x00 }, /* 0B */
  211. { 0xFF, 0x00 }, /* 0C */
  212. { 0xFF, 0x00 }, /* 0D */
  213. { 0xFF, 0x00 }, /* 0E */
  214. { 0xFF, 0x9F }, /* 0F */
  215. { 0xFF, 0xFF }, /* 10 */
  216. { 0xFF, 0xFF }, /* 11 */
  217. { 0xFF, 0xFF }, /* 12 */
  218. { 0xFF, 0xFF }, /* 13 */
  219. { 0xFF, 0xFF }, /* 14 */
  220. { 0xFF, 0xFF }, /* 15 */
  221. { 0xFF, 0xFF }, /* 16 */
  222. { 0xFF, 0xFF }, /* 17 */
  223. { 0xFF, 0xFF }, /* 18 */
  224. { 0xFF, 0xFF }, /* 19 */
  225. { 0xFF, 0xFF }, /* 1A */
  226. { 0xFF, 0xFF }, /* 1B */
  227. { 0xFF, 0xFF }, /* 1C */
  228. { 0xFF, 0xFF }, /* 1D */
  229. { 0xFF, 0x77 }, /* 1E */
  230. { 0xFF, 0x77 }, /* 1F */
  231. { 0xFF, 0x77 }, /* 20 */
  232. { 0xFF, 0x77 }, /* 21 */
  233. { 0xFF, 0x77 }, /* 22 */
  234. { 0xFF, 0x77 }, /* 23 */
  235. { 0xFF, 0xFF }, /* 24 */
  236. { 0xFF, 0x7F }, /* 25 */
  237. { 0xFF, 0x31 }, /* 26 */
  238. { 0xFF, 0xFF }, /* 27 */
  239. { 0xFF, 0xFF }, /* 28 */
  240. { 0xFF, 0xFF }, /* 29 */
  241. { 0xFF, 0xF7 }, /* 2A */
  242. { 0xFF, 0x2F }, /* 2B */
  243. { 0xFF, 0xEF }, /* 2C */
  244. { 0xFF, 0xFF }, /* 2D */
  245. { 0xFF, 0xFF }, /* 2E */
  246. { 0xFF, 0xFF }, /* 2F */
  247. { 0xFF, 0xFF }, /* 30 */
  248. { 0xFF, 0xFF }, /* 31 */
  249. { 0xFF, 0xFF }, /* 32 */
  250. { 0xFF, 0xFF }, /* 33 */
  251. { 0xFF, 0xF7 }, /* 34 */
  252. { 0xFF, 0x2F }, /* 35 */
  253. { 0xFF, 0xCF }, /* 36 */
  254. { 0xFF, 0xFF }, /* 37 */
  255. { 0xFF, 0xFF }, /* 38 */
  256. { 0xFF, 0xFF }, /* 39 */
  257. { 0xFF, 0xFF }, /* 3A */
  258. { 0xFF, 0xFF }, /* 3B */
  259. { 0xFF, 0xFF }, /* 3C */
  260. { 0xFF, 0xFF }, /* 3D */
  261. { 0xFF, 0xF7 }, /* 3E */
  262. { 0xFF, 0x2F }, /* 3F */
  263. { 0xFF, 0xCF }, /* 40 */
  264. { 0xFF, 0xFF }, /* 41 */
  265. { 0xFF, 0x77 }, /* 42 */
  266. { 0xFF, 0xFF }, /* 43 */
  267. { 0xFF, 0xFF }, /* 44 */
  268. { 0xFF, 0xFF }, /* 45 */
  269. { 0xFF, 0xFF }, /* 46 */
  270. { 0xFF, 0xFF }, /* 47 */
  271. { 0xFF, 0xFF }, /* 48 */
  272. { 0xFF, 0x0F }, /* 49 */
  273. { 0xFF, 0xFF }, /* 4A */
  274. { 0xFF, 0xFF }, /* 4B */
  275. { 0xFF, 0x3F }, /* 4C */
  276. { 0xFF, 0x3F }, /* 4D */
  277. { 0xFF, 0x3F }, /* 4E */
  278. { 0xFF, 0xFF }, /* 4F */
  279. { 0xFF, 0x7F }, /* 50 */
  280. { 0xFF, 0x7F }, /* 51 */
  281. { 0xFF, 0x0F }, /* 52 */
  282. { 0xFF, 0x3F }, /* 53 */
  283. { 0xFF, 0x3F }, /* 54 */
  284. { 0xFF, 0x3F }, /* 55 */
  285. { 0xFF, 0xFF }, /* 56 */
  286. { 0xFF, 0xFF }, /* 57 */
  287. { 0xFF, 0xBF }, /* 58 */
  288. { 0xFF, 0x1F }, /* 59 */
  289. { 0xFF, 0xBF }, /* 5A */
  290. { 0xFF, 0x1F }, /* 5B */
  291. { 0xFF, 0xBF }, /* 5C */
  292. { 0xFF, 0x3F }, /* 5D */
  293. { 0xFF, 0x3F }, /* 5E */
  294. { 0xFF, 0x7F }, /* 5F */
  295. { 0xFF, 0x7F }, /* 60 */
  296. { 0xFF, 0x47 }, /* 61 */
  297. { 0xFF, 0x9F }, /* 62 */
  298. { 0xFF, 0x9F }, /* 63 */
  299. { 0xFF, 0x9F }, /* 64 */
  300. { 0xFF, 0x9F }, /* 65 */
  301. { 0xFF, 0x9F }, /* 66 */
  302. { 0xFF, 0xBF }, /* 67 */
  303. { 0xFF, 0xBF }, /* 68 */
  304. { 0xFF, 0xFF }, /* 69 */
  305. { 0xFF, 0xFF }, /* 6A */
  306. { 0xFF, 0x7F }, /* 6B */
  307. { 0xFF, 0xF7 }, /* 6C */
  308. { 0xFF, 0xFF }, /* 6D */
  309. { 0xFF, 0xFF }, /* 6E */
  310. { 0xFF, 0x1F }, /* 6F */
  311. { 0xFF, 0xF7 }, /* 70 */
  312. { 0xFF, 0xFF }, /* 71 */
  313. { 0xFF, 0xFF }, /* 72 */
  314. { 0xFF, 0x1F }, /* 73 */
  315. { 0xFF, 0xF7 }, /* 74 */
  316. { 0xFF, 0xFF }, /* 75 */
  317. { 0xFF, 0xFF }, /* 76 */
  318. { 0xFF, 0x1F }, /* 77 */
  319. { 0xFF, 0xF7 }, /* 78 */
  320. { 0xFF, 0xFF }, /* 79 */
  321. { 0xFF, 0xFF }, /* 7A */
  322. { 0xFF, 0x1F }, /* 7B */
  323. { 0xFF, 0xF7 }, /* 7C */
  324. { 0xFF, 0xFF }, /* 7D */
  325. { 0xFF, 0xFF }, /* 7E */
  326. { 0xFF, 0x1F }, /* 7F */
  327. { 0xFF, 0xF7 }, /* 80 */
  328. { 0xFF, 0xFF }, /* 81 */
  329. { 0xFF, 0xFF }, /* 82 */
  330. { 0xFF, 0x1F }, /* 83 */
  331. { 0xFF, 0x7F }, /* 84 */
  332. { 0xFF, 0x0F }, /* 85 */
  333. { 0xFF, 0xD8 }, /* 86 */
  334. { 0xFF, 0xFF }, /* 87 */
  335. { 0xFF, 0xEF }, /* 88 */
  336. { 0xFF, 0xFE }, /* 89 */
  337. { 0xFF, 0xFE }, /* 8A */
  338. { 0xFF, 0xFF }, /* 8B */
  339. { 0xFF, 0xFF }, /* 8C */
  340. { 0xFF, 0x3F }, /* 8D */
  341. { 0xFF, 0xFF }, /* 8E */
  342. { 0xFF, 0x3F }, /* 8F */
  343. { 0xFF, 0x8F }, /* 90 */
  344. { 0xFF, 0xFF }, /* 91 */
  345. { 0xFF, 0x3F }, /* 92 */
  346. { 0xFF, 0xFF }, /* 93 */
  347. { 0xFF, 0xFF }, /* 94 */
  348. { 0xFF, 0x0F }, /* 95 */
  349. { 0xFF, 0x3F }, /* 96 */
  350. { 0xFF, 0x8C }, /* 97 */
  351. { 0x00, 0x00 }, /* 98 */
  352. { 0x00, 0x00 }, /* 99 */
  353. { 0x00, 0x00 }, /* 9A */
  354. { 0x00, 0x00 }, /* 9B */
  355. { 0x00, 0x00 }, /* 9C */
  356. { 0x00, 0x00 }, /* 9D */
  357. { 0x00, 0x00 }, /* 9E */
  358. { 0x00, 0x00 }, /* 9F */
  359. { 0x00, 0x00 }, /* A0 */
  360. { 0x00, 0x00 }, /* A1 */
  361. { 0x00, 0x00 }, /* A2 */
  362. { 0x00, 0x00 }, /* A3 */
  363. { 0x00, 0x00 }, /* A4 */
  364. { 0x00, 0x00 }, /* A5 */
  365. { 0x00, 0x00 }, /* A6 */
  366. { 0x00, 0x00 }, /* A7 */
  367. { 0x00, 0x00 }, /* A8 */
  368. { 0x00, 0x00 }, /* A9 */
  369. { 0x00, 0x00 }, /* AA */
  370. { 0x00, 0x00 }, /* AB */
  371. { 0x00, 0x00 }, /* AC */
  372. { 0x00, 0x00 }, /* AD */
  373. { 0x00, 0x00 }, /* AE */
  374. { 0x00, 0x00 }, /* AF */
  375. { 0x00, 0x00 }, /* B0 */
  376. { 0x00, 0x00 }, /* B1 */
  377. { 0x00, 0x00 }, /* B2 */
  378. { 0x00, 0x00 }, /* B3 */
  379. { 0x00, 0x00 }, /* B4 */
  380. { 0x00, 0x00 }, /* B5 */
  381. { 0x00, 0x00 }, /* B6 */
  382. { 0x00, 0x00 }, /* B7 */
  383. { 0x00, 0x00 }, /* B8 */
  384. { 0x00, 0x00 }, /* B9 */
  385. { 0x00, 0x00 }, /* BA */
  386. { 0x00, 0x00 }, /* BB */
  387. { 0x00, 0x00 }, /* BC */
  388. { 0x00, 0x00 }, /* BD */
  389. { 0x00, 0x00 }, /* BE */
  390. { 0x00, 0x00 }, /* BF */
  391. { 0x00, 0x00 }, /* C0 */
  392. { 0x00, 0x00 }, /* C1 */
  393. { 0x00, 0x00 }, /* C2 */
  394. { 0x00, 0x00 }, /* C3 */
  395. { 0x00, 0x00 }, /* C4 */
  396. { 0x00, 0x00 }, /* C5 */
  397. { 0x00, 0x00 }, /* C6 */
  398. { 0x00, 0x00 }, /* C7 */
  399. { 0x00, 0x00 }, /* C8 */
  400. { 0x00, 0x00 }, /* C9 */
  401. { 0x00, 0x00 }, /* CA */
  402. { 0x00, 0x00 }, /* CB */
  403. { 0x00, 0x00 }, /* CC */
  404. { 0x00, 0x00 }, /* CD */
  405. { 0x00, 0x00 }, /* CE */
  406. { 0x00, 0x00 }, /* CF */
  407. { 0x00, 0x00 }, /* D0 */
  408. { 0x00, 0x00 }, /* D1 */
  409. { 0x00, 0x00 }, /* D2 */
  410. { 0x00, 0x00 }, /* D3 */
  411. { 0x00, 0x00 }, /* D4 */
  412. { 0x00, 0x00 }, /* D5 */
  413. { 0x00, 0x00 }, /* D6 */
  414. { 0x00, 0x00 }, /* D7 */
  415. { 0x00, 0x00 }, /* D8 */
  416. { 0x00, 0x00 }, /* D9 */
  417. { 0x00, 0x00 }, /* DA */
  418. { 0x00, 0x00 }, /* DB */
  419. { 0x00, 0x00 }, /* DC */
  420. { 0x00, 0x00 }, /* DD */
  421. { 0x00, 0x00 }, /* DE */
  422. { 0x00, 0x00 }, /* DF */
  423. { 0x00, 0x00 }, /* E0 */
  424. { 0x00, 0x00 }, /* E1 */
  425. { 0x00, 0x00 }, /* E2 */
  426. { 0x00, 0x00 }, /* E3 */
  427. { 0x00, 0x00 }, /* E4 */
  428. { 0x00, 0x00 }, /* E5 */
  429. { 0x00, 0x00 }, /* E6 */
  430. { 0x00, 0x00 }, /* E7 */
  431. { 0x00, 0x00 }, /* E8 */
  432. { 0x00, 0x00 }, /* E9 */
  433. { 0x00, 0x00 }, /* EA */
  434. { 0x00, 0x00 }, /* EB */
  435. { 0x00, 0x00 }, /* EC */
  436. { 0x00, 0x00 }, /* ED */
  437. { 0x00, 0x00 }, /* EE */
  438. { 0x00, 0x00 }, /* EF */
  439. { 0x00, 0x00 }, /* F0 */
  440. { 0x00, 0x00 }, /* F1 */
  441. { 0x00, 0x00 }, /* F2 */
  442. { 0x00, 0x00 }, /* F3 */
  443. { 0x00, 0x00 }, /* F4 */
  444. { 0x00, 0x00 }, /* F5 */
  445. { 0x00, 0x00 }, /* F6 */
  446. { 0x00, 0x00 }, /* F7 */
  447. { 0x00, 0x00 }, /* F8 */
  448. { 0x00, 0x00 }, /* F9 */
  449. { 0x00, 0x00 }, /* FA */
  450. { 0x00, 0x00 }, /* FB */
  451. { 0x00, 0x00 }, /* FC */
  452. { 0x00, 0x00 }, /* FD */
  453. { 0x00, 0x00 }, /* FE */
  454. { 0xFF, 0x00 }, /* FF */
  455. };
  456. static bool max98095_readable(struct device *dev, unsigned int reg)
  457. {
  458. if (reg >= M98095_REG_CNT)
  459. return 0;
  460. return max98095_access[reg].readable != 0;
  461. }
  462. static bool max98095_volatile(struct device *dev, unsigned int reg)
  463. {
  464. if (reg > M98095_REG_MAX_CACHED)
  465. return 1;
  466. switch (reg) {
  467. case M98095_000_HOST_DATA:
  468. case M98095_001_HOST_INT_STS:
  469. case M98095_002_HOST_RSP_STS:
  470. case M98095_003_HOST_CMD_STS:
  471. case M98095_004_CODEC_STS:
  472. case M98095_005_DAI1_ALC_STS:
  473. case M98095_006_DAI2_ALC_STS:
  474. case M98095_007_JACK_AUTO_STS:
  475. case M98095_008_JACK_MANUAL_STS:
  476. case M98095_009_JACK_VBAT_STS:
  477. case M98095_00A_ACC_ADC_STS:
  478. case M98095_00B_MIC_NG_AGC_STS:
  479. case M98095_00C_SPK_L_VOLT_STS:
  480. case M98095_00D_SPK_R_VOLT_STS:
  481. case M98095_00E_TEMP_SENSOR_STS:
  482. return 1;
  483. }
  484. return 0;
  485. }
  486. static const struct regmap_config max98095_regmap = {
  487. .reg_bits = 8,
  488. .val_bits = 8,
  489. .reg_defaults = max98095_reg_def,
  490. .num_reg_defaults = ARRAY_SIZE(max98095_reg_def),
  491. .max_register = M98095_0FF_REV_ID,
  492. .cache_type = REGCACHE_RBTREE,
  493. .readable_reg = max98095_readable,
  494. .volatile_reg = max98095_volatile,
  495. };
  496. /*
  497. * Load equalizer DSP coefficient configurations registers
  498. */
  499. static void m98095_eq_band(struct snd_soc_codec *codec, unsigned int dai,
  500. unsigned int band, u16 *coefs)
  501. {
  502. unsigned int eq_reg;
  503. unsigned int i;
  504. if (WARN_ON(band > 4) ||
  505. WARN_ON(dai > 1))
  506. return;
  507. /* Load the base register address */
  508. eq_reg = dai ? M98095_142_DAI2_EQ_BASE : M98095_110_DAI1_EQ_BASE;
  509. /* Add the band address offset, note adjustment for word address */
  510. eq_reg += band * (M98095_COEFS_PER_BAND << 1);
  511. /* Step through the registers and coefs */
  512. for (i = 0; i < M98095_COEFS_PER_BAND; i++) {
  513. snd_soc_write(codec, eq_reg++, M98095_BYTE1(coefs[i]));
  514. snd_soc_write(codec, eq_reg++, M98095_BYTE0(coefs[i]));
  515. }
  516. }
  517. /*
  518. * Load biquad filter coefficient configurations registers
  519. */
  520. static void m98095_biquad_band(struct snd_soc_codec *codec, unsigned int dai,
  521. unsigned int band, u16 *coefs)
  522. {
  523. unsigned int bq_reg;
  524. unsigned int i;
  525. if (WARN_ON(band > 1) ||
  526. WARN_ON(dai > 1))
  527. return;
  528. /* Load the base register address */
  529. bq_reg = dai ? M98095_17E_DAI2_BQ_BASE : M98095_174_DAI1_BQ_BASE;
  530. /* Add the band address offset, note adjustment for word address */
  531. bq_reg += band * (M98095_COEFS_PER_BAND << 1);
  532. /* Step through the registers and coefs */
  533. for (i = 0; i < M98095_COEFS_PER_BAND; i++) {
  534. snd_soc_write(codec, bq_reg++, M98095_BYTE1(coefs[i]));
  535. snd_soc_write(codec, bq_reg++, M98095_BYTE0(coefs[i]));
  536. }
  537. }
  538. static const char * const max98095_fltr_mode[] = { "Voice", "Music" };
  539. static const struct soc_enum max98095_dai1_filter_mode_enum[] = {
  540. SOC_ENUM_SINGLE(M98095_02E_DAI1_FILTERS, 7, 2, max98095_fltr_mode),
  541. };
  542. static const struct soc_enum max98095_dai2_filter_mode_enum[] = {
  543. SOC_ENUM_SINGLE(M98095_038_DAI2_FILTERS, 7, 2, max98095_fltr_mode),
  544. };
  545. static const char * const max98095_extmic_text[] = { "None", "MIC1", "MIC2" };
  546. static const struct soc_enum max98095_extmic_enum =
  547. SOC_ENUM_SINGLE(M98095_087_CFG_MIC, 0, 3, max98095_extmic_text);
  548. static const struct snd_kcontrol_new max98095_extmic_mux =
  549. SOC_DAPM_ENUM("External MIC Mux", max98095_extmic_enum);
  550. static const char * const max98095_linein_text[] = { "INA", "INB" };
  551. static const struct soc_enum max98095_linein_enum =
  552. SOC_ENUM_SINGLE(M98095_086_CFG_LINE, 6, 2, max98095_linein_text);
  553. static const struct snd_kcontrol_new max98095_linein_mux =
  554. SOC_DAPM_ENUM("Linein Input Mux", max98095_linein_enum);
  555. static const char * const max98095_line_mode_text[] = {
  556. "Stereo", "Differential"};
  557. static const struct soc_enum max98095_linein_mode_enum =
  558. SOC_ENUM_SINGLE(M98095_086_CFG_LINE, 7, 2, max98095_line_mode_text);
  559. static const struct soc_enum max98095_lineout_mode_enum =
  560. SOC_ENUM_SINGLE(M98095_086_CFG_LINE, 4, 2, max98095_line_mode_text);
  561. static const char * const max98095_dai_fltr[] = {
  562. "Off", "Elliptical-HPF-16k", "Butterworth-HPF-16k",
  563. "Elliptical-HPF-8k", "Butterworth-HPF-8k", "Butterworth-HPF-Fs/240"};
  564. static const struct soc_enum max98095_dai1_dac_filter_enum[] = {
  565. SOC_ENUM_SINGLE(M98095_02E_DAI1_FILTERS, 0, 6, max98095_dai_fltr),
  566. };
  567. static const struct soc_enum max98095_dai2_dac_filter_enum[] = {
  568. SOC_ENUM_SINGLE(M98095_038_DAI2_FILTERS, 0, 6, max98095_dai_fltr),
  569. };
  570. static const struct soc_enum max98095_dai3_dac_filter_enum[] = {
  571. SOC_ENUM_SINGLE(M98095_042_DAI3_FILTERS, 0, 6, max98095_dai_fltr),
  572. };
  573. static int max98095_mic1pre_set(struct snd_kcontrol *kcontrol,
  574. struct snd_ctl_elem_value *ucontrol)
  575. {
  576. struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
  577. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  578. unsigned int sel = ucontrol->value.integer.value[0];
  579. max98095->mic1pre = sel;
  580. snd_soc_update_bits(codec, M98095_05F_LVL_MIC1, M98095_MICPRE_MASK,
  581. (1+sel)<<M98095_MICPRE_SHIFT);
  582. return 0;
  583. }
  584. static int max98095_mic1pre_get(struct snd_kcontrol *kcontrol,
  585. struct snd_ctl_elem_value *ucontrol)
  586. {
  587. struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
  588. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  589. ucontrol->value.integer.value[0] = max98095->mic1pre;
  590. return 0;
  591. }
  592. static int max98095_mic2pre_set(struct snd_kcontrol *kcontrol,
  593. struct snd_ctl_elem_value *ucontrol)
  594. {
  595. struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
  596. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  597. unsigned int sel = ucontrol->value.integer.value[0];
  598. max98095->mic2pre = sel;
  599. snd_soc_update_bits(codec, M98095_060_LVL_MIC2, M98095_MICPRE_MASK,
  600. (1+sel)<<M98095_MICPRE_SHIFT);
  601. return 0;
  602. }
  603. static int max98095_mic2pre_get(struct snd_kcontrol *kcontrol,
  604. struct snd_ctl_elem_value *ucontrol)
  605. {
  606. struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
  607. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  608. ucontrol->value.integer.value[0] = max98095->mic2pre;
  609. return 0;
  610. }
  611. static const unsigned int max98095_micboost_tlv[] = {
  612. TLV_DB_RANGE_HEAD(2),
  613. 0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0),
  614. 2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0),
  615. };
  616. static const DECLARE_TLV_DB_SCALE(max98095_mic_tlv, 0, 100, 0);
  617. static const DECLARE_TLV_DB_SCALE(max98095_adc_tlv, -1200, 100, 0);
  618. static const DECLARE_TLV_DB_SCALE(max98095_adcboost_tlv, 0, 600, 0);
  619. static const unsigned int max98095_hp_tlv[] = {
  620. TLV_DB_RANGE_HEAD(5),
  621. 0, 6, TLV_DB_SCALE_ITEM(-6700, 400, 0),
  622. 7, 14, TLV_DB_SCALE_ITEM(-4000, 300, 0),
  623. 15, 21, TLV_DB_SCALE_ITEM(-1700, 200, 0),
  624. 22, 27, TLV_DB_SCALE_ITEM(-400, 100, 0),
  625. 28, 31, TLV_DB_SCALE_ITEM(150, 50, 0),
  626. };
  627. static const unsigned int max98095_spk_tlv[] = {
  628. TLV_DB_RANGE_HEAD(4),
  629. 0, 10, TLV_DB_SCALE_ITEM(-5900, 400, 0),
  630. 11, 18, TLV_DB_SCALE_ITEM(-1700, 200, 0),
  631. 19, 27, TLV_DB_SCALE_ITEM(-200, 100, 0),
  632. 28, 39, TLV_DB_SCALE_ITEM(650, 50, 0),
  633. };
  634. static const unsigned int max98095_rcv_lout_tlv[] = {
  635. TLV_DB_RANGE_HEAD(5),
  636. 0, 6, TLV_DB_SCALE_ITEM(-6200, 400, 0),
  637. 7, 14, TLV_DB_SCALE_ITEM(-3500, 300, 0),
  638. 15, 21, TLV_DB_SCALE_ITEM(-1200, 200, 0),
  639. 22, 27, TLV_DB_SCALE_ITEM(100, 100, 0),
  640. 28, 31, TLV_DB_SCALE_ITEM(650, 50, 0),
  641. };
  642. static const unsigned int max98095_lin_tlv[] = {
  643. TLV_DB_RANGE_HEAD(3),
  644. 0, 2, TLV_DB_SCALE_ITEM(-600, 300, 0),
  645. 3, 3, TLV_DB_SCALE_ITEM(300, 1100, 0),
  646. 4, 5, TLV_DB_SCALE_ITEM(1400, 600, 0),
  647. };
  648. static const struct snd_kcontrol_new max98095_snd_controls[] = {
  649. SOC_DOUBLE_R_TLV("Headphone Volume", M98095_064_LVL_HP_L,
  650. M98095_065_LVL_HP_R, 0, 31, 0, max98095_hp_tlv),
  651. SOC_DOUBLE_R_TLV("Speaker Volume", M98095_067_LVL_SPK_L,
  652. M98095_068_LVL_SPK_R, 0, 39, 0, max98095_spk_tlv),
  653. SOC_SINGLE_TLV("Receiver Volume", M98095_066_LVL_RCV,
  654. 0, 31, 0, max98095_rcv_lout_tlv),
  655. SOC_DOUBLE_R_TLV("Lineout Volume", M98095_062_LVL_LINEOUT1,
  656. M98095_063_LVL_LINEOUT2, 0, 31, 0, max98095_rcv_lout_tlv),
  657. SOC_DOUBLE_R("Headphone Switch", M98095_064_LVL_HP_L,
  658. M98095_065_LVL_HP_R, 7, 1, 1),
  659. SOC_DOUBLE_R("Speaker Switch", M98095_067_LVL_SPK_L,
  660. M98095_068_LVL_SPK_R, 7, 1, 1),
  661. SOC_SINGLE("Receiver Switch", M98095_066_LVL_RCV, 7, 1, 1),
  662. SOC_DOUBLE_R("Lineout Switch", M98095_062_LVL_LINEOUT1,
  663. M98095_063_LVL_LINEOUT2, 7, 1, 1),
  664. SOC_SINGLE_TLV("MIC1 Volume", M98095_05F_LVL_MIC1, 0, 20, 1,
  665. max98095_mic_tlv),
  666. SOC_SINGLE_TLV("MIC2 Volume", M98095_060_LVL_MIC2, 0, 20, 1,
  667. max98095_mic_tlv),
  668. SOC_SINGLE_EXT_TLV("MIC1 Boost Volume",
  669. M98095_05F_LVL_MIC1, 5, 2, 0,
  670. max98095_mic1pre_get, max98095_mic1pre_set,
  671. max98095_micboost_tlv),
  672. SOC_SINGLE_EXT_TLV("MIC2 Boost Volume",
  673. M98095_060_LVL_MIC2, 5, 2, 0,
  674. max98095_mic2pre_get, max98095_mic2pre_set,
  675. max98095_micboost_tlv),
  676. SOC_SINGLE_TLV("Linein Volume", M98095_061_LVL_LINEIN, 0, 5, 1,
  677. max98095_lin_tlv),
  678. SOC_SINGLE_TLV("ADCL Volume", M98095_05D_LVL_ADC_L, 0, 15, 1,
  679. max98095_adc_tlv),
  680. SOC_SINGLE_TLV("ADCR Volume", M98095_05E_LVL_ADC_R, 0, 15, 1,
  681. max98095_adc_tlv),
  682. SOC_SINGLE_TLV("ADCL Boost Volume", M98095_05D_LVL_ADC_L, 4, 3, 0,
  683. max98095_adcboost_tlv),
  684. SOC_SINGLE_TLV("ADCR Boost Volume", M98095_05E_LVL_ADC_R, 4, 3, 0,
  685. max98095_adcboost_tlv),
  686. SOC_SINGLE("EQ1 Switch", M98095_088_CFG_LEVEL, 0, 1, 0),
  687. SOC_SINGLE("EQ2 Switch", M98095_088_CFG_LEVEL, 1, 1, 0),
  688. SOC_SINGLE("Biquad1 Switch", M98095_088_CFG_LEVEL, 2, 1, 0),
  689. SOC_SINGLE("Biquad2 Switch", M98095_088_CFG_LEVEL, 3, 1, 0),
  690. SOC_ENUM("DAI1 Filter Mode", max98095_dai1_filter_mode_enum),
  691. SOC_ENUM("DAI2 Filter Mode", max98095_dai2_filter_mode_enum),
  692. SOC_ENUM("DAI1 DAC Filter", max98095_dai1_dac_filter_enum),
  693. SOC_ENUM("DAI2 DAC Filter", max98095_dai2_dac_filter_enum),
  694. SOC_ENUM("DAI3 DAC Filter", max98095_dai3_dac_filter_enum),
  695. SOC_ENUM("Linein Mode", max98095_linein_mode_enum),
  696. SOC_ENUM("Lineout Mode", max98095_lineout_mode_enum),
  697. };
  698. /* Left speaker mixer switch */
  699. static const struct snd_kcontrol_new max98095_left_speaker_mixer_controls[] = {
  700. SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_050_MIX_SPK_LEFT, 0, 1, 0),
  701. SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_050_MIX_SPK_LEFT, 6, 1, 0),
  702. SOC_DAPM_SINGLE("Mono DAC2 Switch", M98095_050_MIX_SPK_LEFT, 3, 1, 0),
  703. SOC_DAPM_SINGLE("Mono DAC3 Switch", M98095_050_MIX_SPK_LEFT, 3, 1, 0),
  704. SOC_DAPM_SINGLE("MIC1 Switch", M98095_050_MIX_SPK_LEFT, 4, 1, 0),
  705. SOC_DAPM_SINGLE("MIC2 Switch", M98095_050_MIX_SPK_LEFT, 5, 1, 0),
  706. SOC_DAPM_SINGLE("IN1 Switch", M98095_050_MIX_SPK_LEFT, 1, 1, 0),
  707. SOC_DAPM_SINGLE("IN2 Switch", M98095_050_MIX_SPK_LEFT, 2, 1, 0),
  708. };
  709. /* Right speaker mixer switch */
  710. static const struct snd_kcontrol_new max98095_right_speaker_mixer_controls[] = {
  711. SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_051_MIX_SPK_RIGHT, 6, 1, 0),
  712. SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_051_MIX_SPK_RIGHT, 0, 1, 0),
  713. SOC_DAPM_SINGLE("Mono DAC2 Switch", M98095_051_MIX_SPK_RIGHT, 3, 1, 0),
  714. SOC_DAPM_SINGLE("Mono DAC3 Switch", M98095_051_MIX_SPK_RIGHT, 3, 1, 0),
  715. SOC_DAPM_SINGLE("MIC1 Switch", M98095_051_MIX_SPK_RIGHT, 5, 1, 0),
  716. SOC_DAPM_SINGLE("MIC2 Switch", M98095_051_MIX_SPK_RIGHT, 4, 1, 0),
  717. SOC_DAPM_SINGLE("IN1 Switch", M98095_051_MIX_SPK_RIGHT, 1, 1, 0),
  718. SOC_DAPM_SINGLE("IN2 Switch", M98095_051_MIX_SPK_RIGHT, 2, 1, 0),
  719. };
  720. /* Left headphone mixer switch */
  721. static const struct snd_kcontrol_new max98095_left_hp_mixer_controls[] = {
  722. SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04C_MIX_HP_LEFT, 0, 1, 0),
  723. SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04C_MIX_HP_LEFT, 5, 1, 0),
  724. SOC_DAPM_SINGLE("MIC1 Switch", M98095_04C_MIX_HP_LEFT, 3, 1, 0),
  725. SOC_DAPM_SINGLE("MIC2 Switch", M98095_04C_MIX_HP_LEFT, 4, 1, 0),
  726. SOC_DAPM_SINGLE("IN1 Switch", M98095_04C_MIX_HP_LEFT, 1, 1, 0),
  727. SOC_DAPM_SINGLE("IN2 Switch", M98095_04C_MIX_HP_LEFT, 2, 1, 0),
  728. };
  729. /* Right headphone mixer switch */
  730. static const struct snd_kcontrol_new max98095_right_hp_mixer_controls[] = {
  731. SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04D_MIX_HP_RIGHT, 5, 1, 0),
  732. SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04D_MIX_HP_RIGHT, 0, 1, 0),
  733. SOC_DAPM_SINGLE("MIC1 Switch", M98095_04D_MIX_HP_RIGHT, 3, 1, 0),
  734. SOC_DAPM_SINGLE("MIC2 Switch", M98095_04D_MIX_HP_RIGHT, 4, 1, 0),
  735. SOC_DAPM_SINGLE("IN1 Switch", M98095_04D_MIX_HP_RIGHT, 1, 1, 0),
  736. SOC_DAPM_SINGLE("IN2 Switch", M98095_04D_MIX_HP_RIGHT, 2, 1, 0),
  737. };
  738. /* Receiver earpiece mixer switch */
  739. static const struct snd_kcontrol_new max98095_mono_rcv_mixer_controls[] = {
  740. SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_04F_MIX_RCV, 0, 1, 0),
  741. SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_04F_MIX_RCV, 5, 1, 0),
  742. SOC_DAPM_SINGLE("MIC1 Switch", M98095_04F_MIX_RCV, 3, 1, 0),
  743. SOC_DAPM_SINGLE("MIC2 Switch", M98095_04F_MIX_RCV, 4, 1, 0),
  744. SOC_DAPM_SINGLE("IN1 Switch", M98095_04F_MIX_RCV, 1, 1, 0),
  745. SOC_DAPM_SINGLE("IN2 Switch", M98095_04F_MIX_RCV, 2, 1, 0),
  746. };
  747. /* Left lineout mixer switch */
  748. static const struct snd_kcontrol_new max98095_left_lineout_mixer_controls[] = {
  749. SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_053_MIX_LINEOUT1, 5, 1, 0),
  750. SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_053_MIX_LINEOUT1, 0, 1, 0),
  751. SOC_DAPM_SINGLE("MIC1 Switch", M98095_053_MIX_LINEOUT1, 3, 1, 0),
  752. SOC_DAPM_SINGLE("MIC2 Switch", M98095_053_MIX_LINEOUT1, 4, 1, 0),
  753. SOC_DAPM_SINGLE("IN1 Switch", M98095_053_MIX_LINEOUT1, 1, 1, 0),
  754. SOC_DAPM_SINGLE("IN2 Switch", M98095_053_MIX_LINEOUT1, 2, 1, 0),
  755. };
  756. /* Right lineout mixer switch */
  757. static const struct snd_kcontrol_new max98095_right_lineout_mixer_controls[] = {
  758. SOC_DAPM_SINGLE("Left DAC1 Switch", M98095_054_MIX_LINEOUT2, 0, 1, 0),
  759. SOC_DAPM_SINGLE("Right DAC1 Switch", M98095_054_MIX_LINEOUT2, 5, 1, 0),
  760. SOC_DAPM_SINGLE("MIC1 Switch", M98095_054_MIX_LINEOUT2, 3, 1, 0),
  761. SOC_DAPM_SINGLE("MIC2 Switch", M98095_054_MIX_LINEOUT2, 4, 1, 0),
  762. SOC_DAPM_SINGLE("IN1 Switch", M98095_054_MIX_LINEOUT2, 1, 1, 0),
  763. SOC_DAPM_SINGLE("IN2 Switch", M98095_054_MIX_LINEOUT2, 2, 1, 0),
  764. };
  765. /* Left ADC mixer switch */
  766. static const struct snd_kcontrol_new max98095_left_ADC_mixer_controls[] = {
  767. SOC_DAPM_SINGLE("MIC1 Switch", M98095_04A_MIX_ADC_LEFT, 7, 1, 0),
  768. SOC_DAPM_SINGLE("MIC2 Switch", M98095_04A_MIX_ADC_LEFT, 6, 1, 0),
  769. SOC_DAPM_SINGLE("IN1 Switch", M98095_04A_MIX_ADC_LEFT, 3, 1, 0),
  770. SOC_DAPM_SINGLE("IN2 Switch", M98095_04A_MIX_ADC_LEFT, 2, 1, 0),
  771. };
  772. /* Right ADC mixer switch */
  773. static const struct snd_kcontrol_new max98095_right_ADC_mixer_controls[] = {
  774. SOC_DAPM_SINGLE("MIC1 Switch", M98095_04B_MIX_ADC_RIGHT, 7, 1, 0),
  775. SOC_DAPM_SINGLE("MIC2 Switch", M98095_04B_MIX_ADC_RIGHT, 6, 1, 0),
  776. SOC_DAPM_SINGLE("IN1 Switch", M98095_04B_MIX_ADC_RIGHT, 3, 1, 0),
  777. SOC_DAPM_SINGLE("IN2 Switch", M98095_04B_MIX_ADC_RIGHT, 2, 1, 0),
  778. };
  779. static int max98095_mic_event(struct snd_soc_dapm_widget *w,
  780. struct snd_kcontrol *kcontrol, int event)
  781. {
  782. struct snd_soc_codec *codec = w->codec;
  783. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  784. switch (event) {
  785. case SND_SOC_DAPM_POST_PMU:
  786. if (w->reg == M98095_05F_LVL_MIC1) {
  787. snd_soc_update_bits(codec, w->reg, M98095_MICPRE_MASK,
  788. (1+max98095->mic1pre)<<M98095_MICPRE_SHIFT);
  789. } else {
  790. snd_soc_update_bits(codec, w->reg, M98095_MICPRE_MASK,
  791. (1+max98095->mic2pre)<<M98095_MICPRE_SHIFT);
  792. }
  793. break;
  794. case SND_SOC_DAPM_POST_PMD:
  795. snd_soc_update_bits(codec, w->reg, M98095_MICPRE_MASK, 0);
  796. break;
  797. default:
  798. return -EINVAL;
  799. }
  800. return 0;
  801. }
  802. /*
  803. * The line inputs are stereo inputs with the left and right
  804. * channels sharing a common PGA power control signal.
  805. */
  806. static int max98095_line_pga(struct snd_soc_dapm_widget *w,
  807. int event, u8 channel)
  808. {
  809. struct snd_soc_codec *codec = w->codec;
  810. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  811. u8 *state;
  812. if (WARN_ON(!(channel == 1 || channel == 2)))
  813. return -EINVAL;
  814. state = &max98095->lin_state;
  815. switch (event) {
  816. case SND_SOC_DAPM_POST_PMU:
  817. *state |= channel;
  818. snd_soc_update_bits(codec, w->reg,
  819. (1 << w->shift), (1 << w->shift));
  820. break;
  821. case SND_SOC_DAPM_POST_PMD:
  822. *state &= ~channel;
  823. if (*state == 0) {
  824. snd_soc_update_bits(codec, w->reg,
  825. (1 << w->shift), 0);
  826. }
  827. break;
  828. default:
  829. return -EINVAL;
  830. }
  831. return 0;
  832. }
  833. static int max98095_pga_in1_event(struct snd_soc_dapm_widget *w,
  834. struct snd_kcontrol *k, int event)
  835. {
  836. return max98095_line_pga(w, event, 1);
  837. }
  838. static int max98095_pga_in2_event(struct snd_soc_dapm_widget *w,
  839. struct snd_kcontrol *k, int event)
  840. {
  841. return max98095_line_pga(w, event, 2);
  842. }
  843. /*
  844. * The stereo line out mixer outputs to two stereo line outs.
  845. * The 2nd pair has a separate set of enables.
  846. */
  847. static int max98095_lineout_event(struct snd_soc_dapm_widget *w,
  848. struct snd_kcontrol *kcontrol, int event)
  849. {
  850. struct snd_soc_codec *codec = w->codec;
  851. switch (event) {
  852. case SND_SOC_DAPM_POST_PMU:
  853. snd_soc_update_bits(codec, w->reg,
  854. (1 << (w->shift+2)), (1 << (w->shift+2)));
  855. break;
  856. case SND_SOC_DAPM_POST_PMD:
  857. snd_soc_update_bits(codec, w->reg,
  858. (1 << (w->shift+2)), 0);
  859. break;
  860. default:
  861. return -EINVAL;
  862. }
  863. return 0;
  864. }
  865. static const struct snd_soc_dapm_widget max98095_dapm_widgets[] = {
  866. SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", M98095_090_PWR_EN_IN, 0, 0),
  867. SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", M98095_090_PWR_EN_IN, 1, 0),
  868. SND_SOC_DAPM_DAC("DACL1", "HiFi Playback",
  869. M98095_091_PWR_EN_OUT, 0, 0),
  870. SND_SOC_DAPM_DAC("DACR1", "HiFi Playback",
  871. M98095_091_PWR_EN_OUT, 1, 0),
  872. SND_SOC_DAPM_DAC("DACM2", "Aux Playback",
  873. M98095_091_PWR_EN_OUT, 2, 0),
  874. SND_SOC_DAPM_DAC("DACM3", "Voice Playback",
  875. M98095_091_PWR_EN_OUT, 2, 0),
  876. SND_SOC_DAPM_PGA("HP Left Out", M98095_091_PWR_EN_OUT,
  877. 6, 0, NULL, 0),
  878. SND_SOC_DAPM_PGA("HP Right Out", M98095_091_PWR_EN_OUT,
  879. 7, 0, NULL, 0),
  880. SND_SOC_DAPM_PGA("SPK Left Out", M98095_091_PWR_EN_OUT,
  881. 4, 0, NULL, 0),
  882. SND_SOC_DAPM_PGA("SPK Right Out", M98095_091_PWR_EN_OUT,
  883. 5, 0, NULL, 0),
  884. SND_SOC_DAPM_PGA("RCV Mono Out", M98095_091_PWR_EN_OUT,
  885. 3, 0, NULL, 0),
  886. SND_SOC_DAPM_PGA_E("LINE Left Out", M98095_092_PWR_EN_OUT,
  887. 0, 0, NULL, 0, max98095_lineout_event, SND_SOC_DAPM_PRE_PMD),
  888. SND_SOC_DAPM_PGA_E("LINE Right Out", M98095_092_PWR_EN_OUT,
  889. 1, 0, NULL, 0, max98095_lineout_event, SND_SOC_DAPM_PRE_PMD),
  890. SND_SOC_DAPM_MUX("External MIC", SND_SOC_NOPM, 0, 0,
  891. &max98095_extmic_mux),
  892. SND_SOC_DAPM_MUX("Linein Mux", SND_SOC_NOPM, 0, 0,
  893. &max98095_linein_mux),
  894. SND_SOC_DAPM_MIXER("Left Headphone Mixer", SND_SOC_NOPM, 0, 0,
  895. &max98095_left_hp_mixer_controls[0],
  896. ARRAY_SIZE(max98095_left_hp_mixer_controls)),
  897. SND_SOC_DAPM_MIXER("Right Headphone Mixer", SND_SOC_NOPM, 0, 0,
  898. &max98095_right_hp_mixer_controls[0],
  899. ARRAY_SIZE(max98095_right_hp_mixer_controls)),
  900. SND_SOC_DAPM_MIXER("Left Speaker Mixer", SND_SOC_NOPM, 0, 0,
  901. &max98095_left_speaker_mixer_controls[0],
  902. ARRAY_SIZE(max98095_left_speaker_mixer_controls)),
  903. SND_SOC_DAPM_MIXER("Right Speaker Mixer", SND_SOC_NOPM, 0, 0,
  904. &max98095_right_speaker_mixer_controls[0],
  905. ARRAY_SIZE(max98095_right_speaker_mixer_controls)),
  906. SND_SOC_DAPM_MIXER("Receiver Mixer", SND_SOC_NOPM, 0, 0,
  907. &max98095_mono_rcv_mixer_controls[0],
  908. ARRAY_SIZE(max98095_mono_rcv_mixer_controls)),
  909. SND_SOC_DAPM_MIXER("Left Lineout Mixer", SND_SOC_NOPM, 0, 0,
  910. &max98095_left_lineout_mixer_controls[0],
  911. ARRAY_SIZE(max98095_left_lineout_mixer_controls)),
  912. SND_SOC_DAPM_MIXER("Right Lineout Mixer", SND_SOC_NOPM, 0, 0,
  913. &max98095_right_lineout_mixer_controls[0],
  914. ARRAY_SIZE(max98095_right_lineout_mixer_controls)),
  915. SND_SOC_DAPM_MIXER("Left ADC Mixer", SND_SOC_NOPM, 0, 0,
  916. &max98095_left_ADC_mixer_controls[0],
  917. ARRAY_SIZE(max98095_left_ADC_mixer_controls)),
  918. SND_SOC_DAPM_MIXER("Right ADC Mixer", SND_SOC_NOPM, 0, 0,
  919. &max98095_right_ADC_mixer_controls[0],
  920. ARRAY_SIZE(max98095_right_ADC_mixer_controls)),
  921. SND_SOC_DAPM_PGA_E("MIC1 Input", M98095_05F_LVL_MIC1,
  922. 5, 0, NULL, 0, max98095_mic_event,
  923. SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
  924. SND_SOC_DAPM_PGA_E("MIC2 Input", M98095_060_LVL_MIC2,
  925. 5, 0, NULL, 0, max98095_mic_event,
  926. SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
  927. SND_SOC_DAPM_PGA_E("IN1 Input", M98095_090_PWR_EN_IN,
  928. 7, 0, NULL, 0, max98095_pga_in1_event,
  929. SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
  930. SND_SOC_DAPM_PGA_E("IN2 Input", M98095_090_PWR_EN_IN,
  931. 7, 0, NULL, 0, max98095_pga_in2_event,
  932. SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
  933. SND_SOC_DAPM_MICBIAS("MICBIAS1", M98095_090_PWR_EN_IN, 2, 0),
  934. SND_SOC_DAPM_MICBIAS("MICBIAS2", M98095_090_PWR_EN_IN, 3, 0),
  935. SND_SOC_DAPM_OUTPUT("HPL"),
  936. SND_SOC_DAPM_OUTPUT("HPR"),
  937. SND_SOC_DAPM_OUTPUT("SPKL"),
  938. SND_SOC_DAPM_OUTPUT("SPKR"),
  939. SND_SOC_DAPM_OUTPUT("RCV"),
  940. SND_SOC_DAPM_OUTPUT("OUT1"),
  941. SND_SOC_DAPM_OUTPUT("OUT2"),
  942. SND_SOC_DAPM_OUTPUT("OUT3"),
  943. SND_SOC_DAPM_OUTPUT("OUT4"),
  944. SND_SOC_DAPM_INPUT("MIC1"),
  945. SND_SOC_DAPM_INPUT("MIC2"),
  946. SND_SOC_DAPM_INPUT("INA1"),
  947. SND_SOC_DAPM_INPUT("INA2"),
  948. SND_SOC_DAPM_INPUT("INB1"),
  949. SND_SOC_DAPM_INPUT("INB2"),
  950. };
  951. static const struct snd_soc_dapm_route max98095_audio_map[] = {
  952. /* Left headphone output mixer */
  953. {"Left Headphone Mixer", "Left DAC1 Switch", "DACL1"},
  954. {"Left Headphone Mixer", "Right DAC1 Switch", "DACR1"},
  955. {"Left Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
  956. {"Left Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
  957. {"Left Headphone Mixer", "IN1 Switch", "IN1 Input"},
  958. {"Left Headphone Mixer", "IN2 Switch", "IN2 Input"},
  959. /* Right headphone output mixer */
  960. {"Right Headphone Mixer", "Left DAC1 Switch", "DACL1"},
  961. {"Right Headphone Mixer", "Right DAC1 Switch", "DACR1"},
  962. {"Right Headphone Mixer", "MIC1 Switch", "MIC1 Input"},
  963. {"Right Headphone Mixer", "MIC2 Switch", "MIC2 Input"},
  964. {"Right Headphone Mixer", "IN1 Switch", "IN1 Input"},
  965. {"Right Headphone Mixer", "IN2 Switch", "IN2 Input"},
  966. /* Left speaker output mixer */
  967. {"Left Speaker Mixer", "Left DAC1 Switch", "DACL1"},
  968. {"Left Speaker Mixer", "Right DAC1 Switch", "DACR1"},
  969. {"Left Speaker Mixer", "Mono DAC2 Switch", "DACM2"},
  970. {"Left Speaker Mixer", "Mono DAC3 Switch", "DACM3"},
  971. {"Left Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
  972. {"Left Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
  973. {"Left Speaker Mixer", "IN1 Switch", "IN1 Input"},
  974. {"Left Speaker Mixer", "IN2 Switch", "IN2 Input"},
  975. /* Right speaker output mixer */
  976. {"Right Speaker Mixer", "Left DAC1 Switch", "DACL1"},
  977. {"Right Speaker Mixer", "Right DAC1 Switch", "DACR1"},
  978. {"Right Speaker Mixer", "Mono DAC2 Switch", "DACM2"},
  979. {"Right Speaker Mixer", "Mono DAC3 Switch", "DACM3"},
  980. {"Right Speaker Mixer", "MIC1 Switch", "MIC1 Input"},
  981. {"Right Speaker Mixer", "MIC2 Switch", "MIC2 Input"},
  982. {"Right Speaker Mixer", "IN1 Switch", "IN1 Input"},
  983. {"Right Speaker Mixer", "IN2 Switch", "IN2 Input"},
  984. /* Earpiece/Receiver output mixer */
  985. {"Receiver Mixer", "Left DAC1 Switch", "DACL1"},
  986. {"Receiver Mixer", "Right DAC1 Switch", "DACR1"},
  987. {"Receiver Mixer", "MIC1 Switch", "MIC1 Input"},
  988. {"Receiver Mixer", "MIC2 Switch", "MIC2 Input"},
  989. {"Receiver Mixer", "IN1 Switch", "IN1 Input"},
  990. {"Receiver Mixer", "IN2 Switch", "IN2 Input"},
  991. /* Left Lineout output mixer */
  992. {"Left Lineout Mixer", "Left DAC1 Switch", "DACL1"},
  993. {"Left Lineout Mixer", "Right DAC1 Switch", "DACR1"},
  994. {"Left Lineout Mixer", "MIC1 Switch", "MIC1 Input"},
  995. {"Left Lineout Mixer", "MIC2 Switch", "MIC2 Input"},
  996. {"Left Lineout Mixer", "IN1 Switch", "IN1 Input"},
  997. {"Left Lineout Mixer", "IN2 Switch", "IN2 Input"},
  998. /* Right lineout output mixer */
  999. {"Right Lineout Mixer", "Left DAC1 Switch", "DACL1"},
  1000. {"Right Lineout Mixer", "Right DAC1 Switch", "DACR1"},
  1001. {"Right Lineout Mixer", "MIC1 Switch", "MIC1 Input"},
  1002. {"Right Lineout Mixer", "MIC2 Switch", "MIC2 Input"},
  1003. {"Right Lineout Mixer", "IN1 Switch", "IN1 Input"},
  1004. {"Right Lineout Mixer", "IN2 Switch", "IN2 Input"},
  1005. {"HP Left Out", NULL, "Left Headphone Mixer"},
  1006. {"HP Right Out", NULL, "Right Headphone Mixer"},
  1007. {"SPK Left Out", NULL, "Left Speaker Mixer"},
  1008. {"SPK Right Out", NULL, "Right Speaker Mixer"},
  1009. {"RCV Mono Out", NULL, "Receiver Mixer"},
  1010. {"LINE Left Out", NULL, "Left Lineout Mixer"},
  1011. {"LINE Right Out", NULL, "Right Lineout Mixer"},
  1012. {"HPL", NULL, "HP Left Out"},
  1013. {"HPR", NULL, "HP Right Out"},
  1014. {"SPKL", NULL, "SPK Left Out"},
  1015. {"SPKR", NULL, "SPK Right Out"},
  1016. {"RCV", NULL, "RCV Mono Out"},
  1017. {"OUT1", NULL, "LINE Left Out"},
  1018. {"OUT2", NULL, "LINE Right Out"},
  1019. {"OUT3", NULL, "LINE Left Out"},
  1020. {"OUT4", NULL, "LINE Right Out"},
  1021. /* Left ADC input mixer */
  1022. {"Left ADC Mixer", "MIC1 Switch", "MIC1 Input"},
  1023. {"Left ADC Mixer", "MIC2 Switch", "MIC2 Input"},
  1024. {"Left ADC Mixer", "IN1 Switch", "IN1 Input"},
  1025. {"Left ADC Mixer", "IN2 Switch", "IN2 Input"},
  1026. /* Right ADC input mixer */
  1027. {"Right ADC Mixer", "MIC1 Switch", "MIC1 Input"},
  1028. {"Right ADC Mixer", "MIC2 Switch", "MIC2 Input"},
  1029. {"Right ADC Mixer", "IN1 Switch", "IN1 Input"},
  1030. {"Right ADC Mixer", "IN2 Switch", "IN2 Input"},
  1031. /* Inputs */
  1032. {"ADCL", NULL, "Left ADC Mixer"},
  1033. {"ADCR", NULL, "Right ADC Mixer"},
  1034. {"IN1 Input", NULL, "INA1"},
  1035. {"IN2 Input", NULL, "INA2"},
  1036. {"MIC1 Input", NULL, "MIC1"},
  1037. {"MIC2 Input", NULL, "MIC2"},
  1038. };
  1039. /* codec mclk clock divider coefficients */
  1040. static const struct {
  1041. u32 rate;
  1042. u8 sr;
  1043. } rate_table[] = {
  1044. {8000, 0x01},
  1045. {11025, 0x02},
  1046. {16000, 0x03},
  1047. {22050, 0x04},
  1048. {24000, 0x05},
  1049. {32000, 0x06},
  1050. {44100, 0x07},
  1051. {48000, 0x08},
  1052. {88200, 0x09},
  1053. {96000, 0x0A},
  1054. };
  1055. static int rate_value(int rate, u8 *value)
  1056. {
  1057. int i;
  1058. for (i = 0; i < ARRAY_SIZE(rate_table); i++) {
  1059. if (rate_table[i].rate >= rate) {
  1060. *value = rate_table[i].sr;
  1061. return 0;
  1062. }
  1063. }
  1064. *value = rate_table[0].sr;
  1065. return -EINVAL;
  1066. }
  1067. static int max98095_dai1_hw_params(struct snd_pcm_substream *substream,
  1068. struct snd_pcm_hw_params *params,
  1069. struct snd_soc_dai *dai)
  1070. {
  1071. struct snd_soc_codec *codec = dai->codec;
  1072. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1073. struct max98095_cdata *cdata;
  1074. unsigned long long ni;
  1075. unsigned int rate;
  1076. u8 regval;
  1077. cdata = &max98095->dai[0];
  1078. rate = params_rate(params);
  1079. switch (params_format(params)) {
  1080. case SNDRV_PCM_FORMAT_S16_LE:
  1081. snd_soc_update_bits(codec, M98095_02A_DAI1_FORMAT,
  1082. M98095_DAI_WS, 0);
  1083. break;
  1084. case SNDRV_PCM_FORMAT_S24_LE:
  1085. snd_soc_update_bits(codec, M98095_02A_DAI1_FORMAT,
  1086. M98095_DAI_WS, M98095_DAI_WS);
  1087. break;
  1088. default:
  1089. return -EINVAL;
  1090. }
  1091. if (rate_value(rate, &regval))
  1092. return -EINVAL;
  1093. snd_soc_update_bits(codec, M98095_027_DAI1_CLKMODE,
  1094. M98095_CLKMODE_MASK, regval);
  1095. cdata->rate = rate;
  1096. /* Configure NI when operating as master */
  1097. if (snd_soc_read(codec, M98095_02A_DAI1_FORMAT) & M98095_DAI_MAS) {
  1098. if (max98095->sysclk == 0) {
  1099. dev_err(codec->dev, "Invalid system clock frequency\n");
  1100. return -EINVAL;
  1101. }
  1102. ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
  1103. * (unsigned long long int)rate;
  1104. do_div(ni, (unsigned long long int)max98095->sysclk);
  1105. snd_soc_write(codec, M98095_028_DAI1_CLKCFG_HI,
  1106. (ni >> 8) & 0x7F);
  1107. snd_soc_write(codec, M98095_029_DAI1_CLKCFG_LO,
  1108. ni & 0xFF);
  1109. }
  1110. /* Update sample rate mode */
  1111. if (rate < 50000)
  1112. snd_soc_update_bits(codec, M98095_02E_DAI1_FILTERS,
  1113. M98095_DAI_DHF, 0);
  1114. else
  1115. snd_soc_update_bits(codec, M98095_02E_DAI1_FILTERS,
  1116. M98095_DAI_DHF, M98095_DAI_DHF);
  1117. return 0;
  1118. }
  1119. static int max98095_dai2_hw_params(struct snd_pcm_substream *substream,
  1120. struct snd_pcm_hw_params *params,
  1121. struct snd_soc_dai *dai)
  1122. {
  1123. struct snd_soc_codec *codec = dai->codec;
  1124. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1125. struct max98095_cdata *cdata;
  1126. unsigned long long ni;
  1127. unsigned int rate;
  1128. u8 regval;
  1129. cdata = &max98095->dai[1];
  1130. rate = params_rate(params);
  1131. switch (params_format(params)) {
  1132. case SNDRV_PCM_FORMAT_S16_LE:
  1133. snd_soc_update_bits(codec, M98095_034_DAI2_FORMAT,
  1134. M98095_DAI_WS, 0);
  1135. break;
  1136. case SNDRV_PCM_FORMAT_S24_LE:
  1137. snd_soc_update_bits(codec, M98095_034_DAI2_FORMAT,
  1138. M98095_DAI_WS, M98095_DAI_WS);
  1139. break;
  1140. default:
  1141. return -EINVAL;
  1142. }
  1143. if (rate_value(rate, &regval))
  1144. return -EINVAL;
  1145. snd_soc_update_bits(codec, M98095_031_DAI2_CLKMODE,
  1146. M98095_CLKMODE_MASK, regval);
  1147. cdata->rate = rate;
  1148. /* Configure NI when operating as master */
  1149. if (snd_soc_read(codec, M98095_034_DAI2_FORMAT) & M98095_DAI_MAS) {
  1150. if (max98095->sysclk == 0) {
  1151. dev_err(codec->dev, "Invalid system clock frequency\n");
  1152. return -EINVAL;
  1153. }
  1154. ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
  1155. * (unsigned long long int)rate;
  1156. do_div(ni, (unsigned long long int)max98095->sysclk);
  1157. snd_soc_write(codec, M98095_032_DAI2_CLKCFG_HI,
  1158. (ni >> 8) & 0x7F);
  1159. snd_soc_write(codec, M98095_033_DAI2_CLKCFG_LO,
  1160. ni & 0xFF);
  1161. }
  1162. /* Update sample rate mode */
  1163. if (rate < 50000)
  1164. snd_soc_update_bits(codec, M98095_038_DAI2_FILTERS,
  1165. M98095_DAI_DHF, 0);
  1166. else
  1167. snd_soc_update_bits(codec, M98095_038_DAI2_FILTERS,
  1168. M98095_DAI_DHF, M98095_DAI_DHF);
  1169. return 0;
  1170. }
  1171. static int max98095_dai3_hw_params(struct snd_pcm_substream *substream,
  1172. struct snd_pcm_hw_params *params,
  1173. struct snd_soc_dai *dai)
  1174. {
  1175. struct snd_soc_codec *codec = dai->codec;
  1176. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1177. struct max98095_cdata *cdata;
  1178. unsigned long long ni;
  1179. unsigned int rate;
  1180. u8 regval;
  1181. cdata = &max98095->dai[2];
  1182. rate = params_rate(params);
  1183. switch (params_format(params)) {
  1184. case SNDRV_PCM_FORMAT_S16_LE:
  1185. snd_soc_update_bits(codec, M98095_03E_DAI3_FORMAT,
  1186. M98095_DAI_WS, 0);
  1187. break;
  1188. case SNDRV_PCM_FORMAT_S24_LE:
  1189. snd_soc_update_bits(codec, M98095_03E_DAI3_FORMAT,
  1190. M98095_DAI_WS, M98095_DAI_WS);
  1191. break;
  1192. default:
  1193. return -EINVAL;
  1194. }
  1195. if (rate_value(rate, &regval))
  1196. return -EINVAL;
  1197. snd_soc_update_bits(codec, M98095_03B_DAI3_CLKMODE,
  1198. M98095_CLKMODE_MASK, regval);
  1199. cdata->rate = rate;
  1200. /* Configure NI when operating as master */
  1201. if (snd_soc_read(codec, M98095_03E_DAI3_FORMAT) & M98095_DAI_MAS) {
  1202. if (max98095->sysclk == 0) {
  1203. dev_err(codec->dev, "Invalid system clock frequency\n");
  1204. return -EINVAL;
  1205. }
  1206. ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL)
  1207. * (unsigned long long int)rate;
  1208. do_div(ni, (unsigned long long int)max98095->sysclk);
  1209. snd_soc_write(codec, M98095_03C_DAI3_CLKCFG_HI,
  1210. (ni >> 8) & 0x7F);
  1211. snd_soc_write(codec, M98095_03D_DAI3_CLKCFG_LO,
  1212. ni & 0xFF);
  1213. }
  1214. /* Update sample rate mode */
  1215. if (rate < 50000)
  1216. snd_soc_update_bits(codec, M98095_042_DAI3_FILTERS,
  1217. M98095_DAI_DHF, 0);
  1218. else
  1219. snd_soc_update_bits(codec, M98095_042_DAI3_FILTERS,
  1220. M98095_DAI_DHF, M98095_DAI_DHF);
  1221. return 0;
  1222. }
  1223. static int max98095_dai_set_sysclk(struct snd_soc_dai *dai,
  1224. int clk_id, unsigned int freq, int dir)
  1225. {
  1226. struct snd_soc_codec *codec = dai->codec;
  1227. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1228. /* Requested clock frequency is already setup */
  1229. if (freq == max98095->sysclk)
  1230. return 0;
  1231. /* Setup clocks for slave mode, and using the PLL
  1232. * PSCLK = 0x01 (when master clk is 10MHz to 20MHz)
  1233. * 0x02 (when master clk is 20MHz to 40MHz)..
  1234. * 0x03 (when master clk is 40MHz to 60MHz)..
  1235. */
  1236. if ((freq >= 10000000) && (freq < 20000000)) {
  1237. snd_soc_write(codec, M98095_026_SYS_CLK, 0x10);
  1238. } else if ((freq >= 20000000) && (freq < 40000000)) {
  1239. snd_soc_write(codec, M98095_026_SYS_CLK, 0x20);
  1240. } else if ((freq >= 40000000) && (freq < 60000000)) {
  1241. snd_soc_write(codec, M98095_026_SYS_CLK, 0x30);
  1242. } else {
  1243. dev_err(codec->dev, "Invalid master clock frequency\n");
  1244. return -EINVAL;
  1245. }
  1246. dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq);
  1247. max98095->sysclk = freq;
  1248. return 0;
  1249. }
  1250. static int max98095_dai1_set_fmt(struct snd_soc_dai *codec_dai,
  1251. unsigned int fmt)
  1252. {
  1253. struct snd_soc_codec *codec = codec_dai->codec;
  1254. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1255. struct max98095_cdata *cdata;
  1256. u8 regval = 0;
  1257. cdata = &max98095->dai[0];
  1258. if (fmt != cdata->fmt) {
  1259. cdata->fmt = fmt;
  1260. switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
  1261. case SND_SOC_DAIFMT_CBS_CFS:
  1262. /* Slave mode PLL */
  1263. snd_soc_write(codec, M98095_028_DAI1_CLKCFG_HI,
  1264. 0x80);
  1265. snd_soc_write(codec, M98095_029_DAI1_CLKCFG_LO,
  1266. 0x00);
  1267. break;
  1268. case SND_SOC_DAIFMT_CBM_CFM:
  1269. /* Set to master mode */
  1270. regval |= M98095_DAI_MAS;
  1271. break;
  1272. case SND_SOC_DAIFMT_CBS_CFM:
  1273. case SND_SOC_DAIFMT_CBM_CFS:
  1274. default:
  1275. dev_err(codec->dev, "Clock mode unsupported");
  1276. return -EINVAL;
  1277. }
  1278. switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
  1279. case SND_SOC_DAIFMT_I2S:
  1280. regval |= M98095_DAI_DLY;
  1281. break;
  1282. case SND_SOC_DAIFMT_LEFT_J:
  1283. break;
  1284. default:
  1285. return -EINVAL;
  1286. }
  1287. switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
  1288. case SND_SOC_DAIFMT_NB_NF:
  1289. break;
  1290. case SND_SOC_DAIFMT_NB_IF:
  1291. regval |= M98095_DAI_WCI;
  1292. break;
  1293. case SND_SOC_DAIFMT_IB_NF:
  1294. regval |= M98095_DAI_BCI;
  1295. break;
  1296. case SND_SOC_DAIFMT_IB_IF:
  1297. regval |= M98095_DAI_BCI|M98095_DAI_WCI;
  1298. break;
  1299. default:
  1300. return -EINVAL;
  1301. }
  1302. snd_soc_update_bits(codec, M98095_02A_DAI1_FORMAT,
  1303. M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
  1304. M98095_DAI_WCI, regval);
  1305. snd_soc_write(codec, M98095_02B_DAI1_CLOCK, M98095_DAI_BSEL64);
  1306. }
  1307. return 0;
  1308. }
  1309. static int max98095_dai2_set_fmt(struct snd_soc_dai *codec_dai,
  1310. unsigned int fmt)
  1311. {
  1312. struct snd_soc_codec *codec = codec_dai->codec;
  1313. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1314. struct max98095_cdata *cdata;
  1315. u8 regval = 0;
  1316. cdata = &max98095->dai[1];
  1317. if (fmt != cdata->fmt) {
  1318. cdata->fmt = fmt;
  1319. switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
  1320. case SND_SOC_DAIFMT_CBS_CFS:
  1321. /* Slave mode PLL */
  1322. snd_soc_write(codec, M98095_032_DAI2_CLKCFG_HI,
  1323. 0x80);
  1324. snd_soc_write(codec, M98095_033_DAI2_CLKCFG_LO,
  1325. 0x00);
  1326. break;
  1327. case SND_SOC_DAIFMT_CBM_CFM:
  1328. /* Set to master mode */
  1329. regval |= M98095_DAI_MAS;
  1330. break;
  1331. case SND_SOC_DAIFMT_CBS_CFM:
  1332. case SND_SOC_DAIFMT_CBM_CFS:
  1333. default:
  1334. dev_err(codec->dev, "Clock mode unsupported");
  1335. return -EINVAL;
  1336. }
  1337. switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
  1338. case SND_SOC_DAIFMT_I2S:
  1339. regval |= M98095_DAI_DLY;
  1340. break;
  1341. case SND_SOC_DAIFMT_LEFT_J:
  1342. break;
  1343. default:
  1344. return -EINVAL;
  1345. }
  1346. switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
  1347. case SND_SOC_DAIFMT_NB_NF:
  1348. break;
  1349. case SND_SOC_DAIFMT_NB_IF:
  1350. regval |= M98095_DAI_WCI;
  1351. break;
  1352. case SND_SOC_DAIFMT_IB_NF:
  1353. regval |= M98095_DAI_BCI;
  1354. break;
  1355. case SND_SOC_DAIFMT_IB_IF:
  1356. regval |= M98095_DAI_BCI|M98095_DAI_WCI;
  1357. break;
  1358. default:
  1359. return -EINVAL;
  1360. }
  1361. snd_soc_update_bits(codec, M98095_034_DAI2_FORMAT,
  1362. M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
  1363. M98095_DAI_WCI, regval);
  1364. snd_soc_write(codec, M98095_035_DAI2_CLOCK,
  1365. M98095_DAI_BSEL64);
  1366. }
  1367. return 0;
  1368. }
  1369. static int max98095_dai3_set_fmt(struct snd_soc_dai *codec_dai,
  1370. unsigned int fmt)
  1371. {
  1372. struct snd_soc_codec *codec = codec_dai->codec;
  1373. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1374. struct max98095_cdata *cdata;
  1375. u8 regval = 0;
  1376. cdata = &max98095->dai[2];
  1377. if (fmt != cdata->fmt) {
  1378. cdata->fmt = fmt;
  1379. switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
  1380. case SND_SOC_DAIFMT_CBS_CFS:
  1381. /* Slave mode PLL */
  1382. snd_soc_write(codec, M98095_03C_DAI3_CLKCFG_HI,
  1383. 0x80);
  1384. snd_soc_write(codec, M98095_03D_DAI3_CLKCFG_LO,
  1385. 0x00);
  1386. break;
  1387. case SND_SOC_DAIFMT_CBM_CFM:
  1388. /* Set to master mode */
  1389. regval |= M98095_DAI_MAS;
  1390. break;
  1391. case SND_SOC_DAIFMT_CBS_CFM:
  1392. case SND_SOC_DAIFMT_CBM_CFS:
  1393. default:
  1394. dev_err(codec->dev, "Clock mode unsupported");
  1395. return -EINVAL;
  1396. }
  1397. switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
  1398. case SND_SOC_DAIFMT_I2S:
  1399. regval |= M98095_DAI_DLY;
  1400. break;
  1401. case SND_SOC_DAIFMT_LEFT_J:
  1402. break;
  1403. default:
  1404. return -EINVAL;
  1405. }
  1406. switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
  1407. case SND_SOC_DAIFMT_NB_NF:
  1408. break;
  1409. case SND_SOC_DAIFMT_NB_IF:
  1410. regval |= M98095_DAI_WCI;
  1411. break;
  1412. case SND_SOC_DAIFMT_IB_NF:
  1413. regval |= M98095_DAI_BCI;
  1414. break;
  1415. case SND_SOC_DAIFMT_IB_IF:
  1416. regval |= M98095_DAI_BCI|M98095_DAI_WCI;
  1417. break;
  1418. default:
  1419. return -EINVAL;
  1420. }
  1421. snd_soc_update_bits(codec, M98095_03E_DAI3_FORMAT,
  1422. M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
  1423. M98095_DAI_WCI, regval);
  1424. snd_soc_write(codec, M98095_03F_DAI3_CLOCK,
  1425. M98095_DAI_BSEL64);
  1426. }
  1427. return 0;
  1428. }
  1429. static int max98095_set_bias_level(struct snd_soc_codec *codec,
  1430. enum snd_soc_bias_level level)
  1431. {
  1432. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1433. int ret;
  1434. switch (level) {
  1435. case SND_SOC_BIAS_ON:
  1436. break;
  1437. case SND_SOC_BIAS_PREPARE:
  1438. break;
  1439. case SND_SOC_BIAS_STANDBY:
  1440. if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
  1441. ret = regcache_sync(max98095->regmap);
  1442. if (ret != 0) {
  1443. dev_err(codec->dev, "Failed to sync cache: %d\n", ret);
  1444. return ret;
  1445. }
  1446. }
  1447. snd_soc_update_bits(codec, M98095_090_PWR_EN_IN,
  1448. M98095_MBEN, M98095_MBEN);
  1449. break;
  1450. case SND_SOC_BIAS_OFF:
  1451. snd_soc_update_bits(codec, M98095_090_PWR_EN_IN,
  1452. M98095_MBEN, 0);
  1453. regcache_mark_dirty(max98095->regmap);
  1454. break;
  1455. }
  1456. codec->dapm.bias_level = level;
  1457. return 0;
  1458. }
  1459. #define MAX98095_RATES SNDRV_PCM_RATE_8000_96000
  1460. #define MAX98095_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
  1461. static const struct snd_soc_dai_ops max98095_dai1_ops = {
  1462. .set_sysclk = max98095_dai_set_sysclk,
  1463. .set_fmt = max98095_dai1_set_fmt,
  1464. .hw_params = max98095_dai1_hw_params,
  1465. };
  1466. static const struct snd_soc_dai_ops max98095_dai2_ops = {
  1467. .set_sysclk = max98095_dai_set_sysclk,
  1468. .set_fmt = max98095_dai2_set_fmt,
  1469. .hw_params = max98095_dai2_hw_params,
  1470. };
  1471. static const struct snd_soc_dai_ops max98095_dai3_ops = {
  1472. .set_sysclk = max98095_dai_set_sysclk,
  1473. .set_fmt = max98095_dai3_set_fmt,
  1474. .hw_params = max98095_dai3_hw_params,
  1475. };
  1476. static struct snd_soc_dai_driver max98095_dai[] = {
  1477. {
  1478. .name = "HiFi",
  1479. .playback = {
  1480. .stream_name = "HiFi Playback",
  1481. .channels_min = 1,
  1482. .channels_max = 2,
  1483. .rates = MAX98095_RATES,
  1484. .formats = MAX98095_FORMATS,
  1485. },
  1486. .capture = {
  1487. .stream_name = "HiFi Capture",
  1488. .channels_min = 1,
  1489. .channels_max = 2,
  1490. .rates = MAX98095_RATES,
  1491. .formats = MAX98095_FORMATS,
  1492. },
  1493. .ops = &max98095_dai1_ops,
  1494. },
  1495. {
  1496. .name = "Aux",
  1497. .playback = {
  1498. .stream_name = "Aux Playback",
  1499. .channels_min = 1,
  1500. .channels_max = 1,
  1501. .rates = MAX98095_RATES,
  1502. .formats = MAX98095_FORMATS,
  1503. },
  1504. .ops = &max98095_dai2_ops,
  1505. },
  1506. {
  1507. .name = "Voice",
  1508. .playback = {
  1509. .stream_name = "Voice Playback",
  1510. .channels_min = 1,
  1511. .channels_max = 1,
  1512. .rates = MAX98095_RATES,
  1513. .formats = MAX98095_FORMATS,
  1514. },
  1515. .ops = &max98095_dai3_ops,
  1516. }
  1517. };
  1518. static int max98095_get_eq_channel(const char *name)
  1519. {
  1520. if (strcmp(name, "EQ1 Mode") == 0)
  1521. return 0;
  1522. if (strcmp(name, "EQ2 Mode") == 0)
  1523. return 1;
  1524. return -EINVAL;
  1525. }
  1526. static int max98095_put_eq_enum(struct snd_kcontrol *kcontrol,
  1527. struct snd_ctl_elem_value *ucontrol)
  1528. {
  1529. struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
  1530. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1531. struct max98095_pdata *pdata = max98095->pdata;
  1532. int channel = max98095_get_eq_channel(kcontrol->id.name);
  1533. struct max98095_cdata *cdata;
  1534. unsigned int sel = ucontrol->value.integer.value[0];
  1535. struct max98095_eq_cfg *coef_set;
  1536. int fs, best, best_val, i;
  1537. int regmask, regsave;
  1538. if (WARN_ON(channel > 1))
  1539. return -EINVAL;
  1540. if (!pdata || !max98095->eq_textcnt)
  1541. return 0;
  1542. if (sel >= pdata->eq_cfgcnt)
  1543. return -EINVAL;
  1544. cdata = &max98095->dai[channel];
  1545. cdata->eq_sel = sel;
  1546. fs = cdata->rate;
  1547. /* Find the selected configuration with nearest sample rate */
  1548. best = 0;
  1549. best_val = INT_MAX;
  1550. for (i = 0; i < pdata->eq_cfgcnt; i++) {
  1551. if (strcmp(pdata->eq_cfg[i].name, max98095->eq_texts[sel]) == 0 &&
  1552. abs(pdata->eq_cfg[i].rate - fs) < best_val) {
  1553. best = i;
  1554. best_val = abs(pdata->eq_cfg[i].rate - fs);
  1555. }
  1556. }
  1557. dev_dbg(codec->dev, "Selected %s/%dHz for %dHz sample rate\n",
  1558. pdata->eq_cfg[best].name,
  1559. pdata->eq_cfg[best].rate, fs);
  1560. coef_set = &pdata->eq_cfg[best];
  1561. regmask = (channel == 0) ? M98095_EQ1EN : M98095_EQ2EN;
  1562. /* Disable filter while configuring, and save current on/off state */
  1563. regsave = snd_soc_read(codec, M98095_088_CFG_LEVEL);
  1564. snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, 0);
  1565. mutex_lock(&codec->mutex);
  1566. snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG);
  1567. m98095_eq_band(codec, channel, 0, coef_set->band1);
  1568. m98095_eq_band(codec, channel, 1, coef_set->band2);
  1569. m98095_eq_band(codec, channel, 2, coef_set->band3);
  1570. m98095_eq_band(codec, channel, 3, coef_set->band4);
  1571. m98095_eq_band(codec, channel, 4, coef_set->band5);
  1572. snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, 0);
  1573. mutex_unlock(&codec->mutex);
  1574. /* Restore the original on/off state */
  1575. snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, regsave);
  1576. return 0;
  1577. }
  1578. static int max98095_get_eq_enum(struct snd_kcontrol *kcontrol,
  1579. struct snd_ctl_elem_value *ucontrol)
  1580. {
  1581. struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
  1582. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1583. int channel = max98095_get_eq_channel(kcontrol->id.name);
  1584. struct max98095_cdata *cdata;
  1585. cdata = &max98095->dai[channel];
  1586. ucontrol->value.enumerated.item[0] = cdata->eq_sel;
  1587. return 0;
  1588. }
  1589. static void max98095_handle_eq_pdata(struct snd_soc_codec *codec)
  1590. {
  1591. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1592. struct max98095_pdata *pdata = max98095->pdata;
  1593. struct max98095_eq_cfg *cfg;
  1594. unsigned int cfgcnt;
  1595. int i, j;
  1596. const char **t;
  1597. int ret;
  1598. struct snd_kcontrol_new controls[] = {
  1599. SOC_ENUM_EXT("EQ1 Mode",
  1600. max98095->eq_enum,
  1601. max98095_get_eq_enum,
  1602. max98095_put_eq_enum),
  1603. SOC_ENUM_EXT("EQ2 Mode",
  1604. max98095->eq_enum,
  1605. max98095_get_eq_enum,
  1606. max98095_put_eq_enum),
  1607. };
  1608. cfg = pdata->eq_cfg;
  1609. cfgcnt = pdata->eq_cfgcnt;
  1610. /* Setup an array of texts for the equalizer enum.
  1611. * This is based on Mark Brown's equalizer driver code.
  1612. */
  1613. max98095->eq_textcnt = 0;
  1614. max98095->eq_texts = NULL;
  1615. for (i = 0; i < cfgcnt; i++) {
  1616. for (j = 0; j < max98095->eq_textcnt; j++) {
  1617. if (strcmp(cfg[i].name, max98095->eq_texts[j]) == 0)
  1618. break;
  1619. }
  1620. if (j != max98095->eq_textcnt)
  1621. continue;
  1622. /* Expand the array */
  1623. t = krealloc(max98095->eq_texts,
  1624. sizeof(char *) * (max98095->eq_textcnt + 1),
  1625. GFP_KERNEL);
  1626. if (t == NULL)
  1627. continue;
  1628. /* Store the new entry */
  1629. t[max98095->eq_textcnt] = cfg[i].name;
  1630. max98095->eq_textcnt++;
  1631. max98095->eq_texts = t;
  1632. }
  1633. /* Now point the soc_enum to .texts array items */
  1634. max98095->eq_enum.texts = max98095->eq_texts;
  1635. max98095->eq_enum.max = max98095->eq_textcnt;
  1636. ret = snd_soc_add_codec_controls(codec, controls, ARRAY_SIZE(controls));
  1637. if (ret != 0)
  1638. dev_err(codec->dev, "Failed to add EQ control: %d\n", ret);
  1639. }
  1640. static const char *bq_mode_name[] = {"Biquad1 Mode", "Biquad2 Mode"};
  1641. static int max98095_get_bq_channel(struct snd_soc_codec *codec,
  1642. const char *name)
  1643. {
  1644. int i;
  1645. for (i = 0; i < ARRAY_SIZE(bq_mode_name); i++)
  1646. if (strcmp(name, bq_mode_name[i]) == 0)
  1647. return i;
  1648. /* Shouldn't happen */
  1649. dev_err(codec->dev, "Bad biquad channel name '%s'\n", name);
  1650. return -EINVAL;
  1651. }
  1652. static int max98095_put_bq_enum(struct snd_kcontrol *kcontrol,
  1653. struct snd_ctl_elem_value *ucontrol)
  1654. {
  1655. struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
  1656. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1657. struct max98095_pdata *pdata = max98095->pdata;
  1658. int channel = max98095_get_bq_channel(codec, kcontrol->id.name);
  1659. struct max98095_cdata *cdata;
  1660. unsigned int sel = ucontrol->value.integer.value[0];
  1661. struct max98095_biquad_cfg *coef_set;
  1662. int fs, best, best_val, i;
  1663. int regmask, regsave;
  1664. if (channel < 0)
  1665. return channel;
  1666. if (!pdata || !max98095->bq_textcnt)
  1667. return 0;
  1668. if (sel >= pdata->bq_cfgcnt)
  1669. return -EINVAL;
  1670. cdata = &max98095->dai[channel];
  1671. cdata->bq_sel = sel;
  1672. fs = cdata->rate;
  1673. /* Find the selected configuration with nearest sample rate */
  1674. best = 0;
  1675. best_val = INT_MAX;
  1676. for (i = 0; i < pdata->bq_cfgcnt; i++) {
  1677. if (strcmp(pdata->bq_cfg[i].name, max98095->bq_texts[sel]) == 0 &&
  1678. abs(pdata->bq_cfg[i].rate - fs) < best_val) {
  1679. best = i;
  1680. best_val = abs(pdata->bq_cfg[i].rate - fs);
  1681. }
  1682. }
  1683. dev_dbg(codec->dev, "Selected %s/%dHz for %dHz sample rate\n",
  1684. pdata->bq_cfg[best].name,
  1685. pdata->bq_cfg[best].rate, fs);
  1686. coef_set = &pdata->bq_cfg[best];
  1687. regmask = (channel == 0) ? M98095_BQ1EN : M98095_BQ2EN;
  1688. /* Disable filter while configuring, and save current on/off state */
  1689. regsave = snd_soc_read(codec, M98095_088_CFG_LEVEL);
  1690. snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, 0);
  1691. mutex_lock(&codec->mutex);
  1692. snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, M98095_SEG);
  1693. m98095_biquad_band(codec, channel, 0, coef_set->band1);
  1694. m98095_biquad_band(codec, channel, 1, coef_set->band2);
  1695. snd_soc_update_bits(codec, M98095_00F_HOST_CFG, M98095_SEG, 0);
  1696. mutex_unlock(&codec->mutex);
  1697. /* Restore the original on/off state */
  1698. snd_soc_update_bits(codec, M98095_088_CFG_LEVEL, regmask, regsave);
  1699. return 0;
  1700. }
  1701. static int max98095_get_bq_enum(struct snd_kcontrol *kcontrol,
  1702. struct snd_ctl_elem_value *ucontrol)
  1703. {
  1704. struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
  1705. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1706. int channel = max98095_get_bq_channel(codec, kcontrol->id.name);
  1707. struct max98095_cdata *cdata;
  1708. if (channel < 0)
  1709. return channel;
  1710. cdata = &max98095->dai[channel];
  1711. ucontrol->value.enumerated.item[0] = cdata->bq_sel;
  1712. return 0;
  1713. }
  1714. static void max98095_handle_bq_pdata(struct snd_soc_codec *codec)
  1715. {
  1716. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1717. struct max98095_pdata *pdata = max98095->pdata;
  1718. struct max98095_biquad_cfg *cfg;
  1719. unsigned int cfgcnt;
  1720. int i, j;
  1721. const char **t;
  1722. int ret;
  1723. struct snd_kcontrol_new controls[] = {
  1724. SOC_ENUM_EXT((char *)bq_mode_name[0],
  1725. max98095->bq_enum,
  1726. max98095_get_bq_enum,
  1727. max98095_put_bq_enum),
  1728. SOC_ENUM_EXT((char *)bq_mode_name[1],
  1729. max98095->bq_enum,
  1730. max98095_get_bq_enum,
  1731. max98095_put_bq_enum),
  1732. };
  1733. BUILD_BUG_ON(ARRAY_SIZE(controls) != ARRAY_SIZE(bq_mode_name));
  1734. cfg = pdata->bq_cfg;
  1735. cfgcnt = pdata->bq_cfgcnt;
  1736. /* Setup an array of texts for the biquad enum.
  1737. * This is based on Mark Brown's equalizer driver code.
  1738. */
  1739. max98095->bq_textcnt = 0;
  1740. max98095->bq_texts = NULL;
  1741. for (i = 0; i < cfgcnt; i++) {
  1742. for (j = 0; j < max98095->bq_textcnt; j++) {
  1743. if (strcmp(cfg[i].name, max98095->bq_texts[j]) == 0)
  1744. break;
  1745. }
  1746. if (j != max98095->bq_textcnt)
  1747. continue;
  1748. /* Expand the array */
  1749. t = krealloc(max98095->bq_texts,
  1750. sizeof(char *) * (max98095->bq_textcnt + 1),
  1751. GFP_KERNEL);
  1752. if (t == NULL)
  1753. continue;
  1754. /* Store the new entry */
  1755. t[max98095->bq_textcnt] = cfg[i].name;
  1756. max98095->bq_textcnt++;
  1757. max98095->bq_texts = t;
  1758. }
  1759. /* Now point the soc_enum to .texts array items */
  1760. max98095->bq_enum.texts = max98095->bq_texts;
  1761. max98095->bq_enum.max = max98095->bq_textcnt;
  1762. ret = snd_soc_add_codec_controls(codec, controls, ARRAY_SIZE(controls));
  1763. if (ret != 0)
  1764. dev_err(codec->dev, "Failed to add Biquad control: %d\n", ret);
  1765. }
  1766. static void max98095_handle_pdata(struct snd_soc_codec *codec)
  1767. {
  1768. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1769. struct max98095_pdata *pdata = max98095->pdata;
  1770. u8 regval = 0;
  1771. if (!pdata) {
  1772. dev_dbg(codec->dev, "No platform data\n");
  1773. return;
  1774. }
  1775. /* Configure mic for analog/digital mic mode */
  1776. if (pdata->digmic_left_mode)
  1777. regval |= M98095_DIGMIC_L;
  1778. if (pdata->digmic_right_mode)
  1779. regval |= M98095_DIGMIC_R;
  1780. snd_soc_write(codec, M98095_087_CFG_MIC, regval);
  1781. /* Configure equalizers */
  1782. if (pdata->eq_cfgcnt)
  1783. max98095_handle_eq_pdata(codec);
  1784. /* Configure bi-quad filters */
  1785. if (pdata->bq_cfgcnt)
  1786. max98095_handle_bq_pdata(codec);
  1787. }
  1788. static irqreturn_t max98095_report_jack(int irq, void *data)
  1789. {
  1790. struct snd_soc_codec *codec = data;
  1791. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1792. unsigned int value;
  1793. int hp_report = 0;
  1794. int mic_report = 0;
  1795. /* Read the Jack Status Register */
  1796. value = snd_soc_read(codec, M98095_007_JACK_AUTO_STS);
  1797. /* If ddone is not set, then detection isn't finished yet */
  1798. if ((value & M98095_DDONE) == 0)
  1799. return IRQ_NONE;
  1800. /* if hp, check its bit, and if set, clear it */
  1801. if ((value & M98095_HP_IN || value & M98095_LO_IN) &&
  1802. max98095->headphone_jack)
  1803. hp_report |= SND_JACK_HEADPHONE;
  1804. /* if mic, check its bit, and if set, clear it */
  1805. if ((value & M98095_MIC_IN) && max98095->mic_jack)
  1806. mic_report |= SND_JACK_MICROPHONE;
  1807. if (max98095->headphone_jack == max98095->mic_jack) {
  1808. snd_soc_jack_report(max98095->headphone_jack,
  1809. hp_report | mic_report,
  1810. SND_JACK_HEADSET);
  1811. } else {
  1812. if (max98095->headphone_jack)
  1813. snd_soc_jack_report(max98095->headphone_jack,
  1814. hp_report, SND_JACK_HEADPHONE);
  1815. if (max98095->mic_jack)
  1816. snd_soc_jack_report(max98095->mic_jack,
  1817. mic_report, SND_JACK_MICROPHONE);
  1818. }
  1819. return IRQ_HANDLED;
  1820. }
  1821. static int max98095_jack_detect_enable(struct snd_soc_codec *codec)
  1822. {
  1823. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1824. int ret = 0;
  1825. int detect_enable = M98095_JDEN;
  1826. unsigned int slew = M98095_DEFAULT_SLEW_DELAY;
  1827. if (max98095->pdata->jack_detect_pin5en)
  1828. detect_enable |= M98095_PIN5EN;
  1829. if (max98095->pdata->jack_detect_delay)
  1830. slew = max98095->pdata->jack_detect_delay;
  1831. ret = snd_soc_write(codec, M98095_08E_JACK_DC_SLEW, slew);
  1832. if (ret < 0) {
  1833. dev_err(codec->dev, "Failed to cfg auto detect %d\n", ret);
  1834. return ret;
  1835. }
  1836. /* configure auto detection to be enabled */
  1837. ret = snd_soc_write(codec, M98095_089_JACK_DET_AUTO, detect_enable);
  1838. if (ret < 0) {
  1839. dev_err(codec->dev, "Failed to cfg auto detect %d\n", ret);
  1840. return ret;
  1841. }
  1842. return ret;
  1843. }
  1844. static int max98095_jack_detect_disable(struct snd_soc_codec *codec)
  1845. {
  1846. int ret = 0;
  1847. /* configure auto detection to be disabled */
  1848. ret = snd_soc_write(codec, M98095_089_JACK_DET_AUTO, 0x0);
  1849. if (ret < 0) {
  1850. dev_err(codec->dev, "Failed to cfg auto detect %d\n", ret);
  1851. return ret;
  1852. }
  1853. return ret;
  1854. }
  1855. int max98095_jack_detect(struct snd_soc_codec *codec,
  1856. struct snd_soc_jack *hp_jack, struct snd_soc_jack *mic_jack)
  1857. {
  1858. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1859. struct i2c_client *client = to_i2c_client(codec->dev);
  1860. int ret = 0;
  1861. max98095->headphone_jack = hp_jack;
  1862. max98095->mic_jack = mic_jack;
  1863. /* only progress if we have at least 1 jack pointer */
  1864. if (!hp_jack && !mic_jack)
  1865. return -EINVAL;
  1866. max98095_jack_detect_enable(codec);
  1867. /* enable interrupts for headphone jack detection */
  1868. ret = snd_soc_update_bits(codec, M98095_013_JACK_INT_EN,
  1869. M98095_IDDONE, M98095_IDDONE);
  1870. if (ret < 0) {
  1871. dev_err(codec->dev, "Failed to cfg jack irqs %d\n", ret);
  1872. return ret;
  1873. }
  1874. max98095_report_jack(client->irq, codec);
  1875. return 0;
  1876. }
  1877. EXPORT_SYMBOL_GPL(max98095_jack_detect);
  1878. #ifdef CONFIG_PM
  1879. static int max98095_suspend(struct snd_soc_codec *codec)
  1880. {
  1881. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1882. if (max98095->headphone_jack || max98095->mic_jack)
  1883. max98095_jack_detect_disable(codec);
  1884. max98095_set_bias_level(codec, SND_SOC_BIAS_OFF);
  1885. return 0;
  1886. }
  1887. static int max98095_resume(struct snd_soc_codec *codec)
  1888. {
  1889. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1890. struct i2c_client *client = to_i2c_client(codec->dev);
  1891. max98095_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
  1892. if (max98095->headphone_jack || max98095->mic_jack) {
  1893. max98095_jack_detect_enable(codec);
  1894. max98095_report_jack(client->irq, codec);
  1895. }
  1896. return 0;
  1897. }
  1898. #else
  1899. #define max98095_suspend NULL
  1900. #define max98095_resume NULL
  1901. #endif
  1902. static int max98095_reset(struct snd_soc_codec *codec)
  1903. {
  1904. int i, ret;
  1905. /* Gracefully reset the DSP core and the codec hardware
  1906. * in a proper sequence */
  1907. ret = snd_soc_write(codec, M98095_00F_HOST_CFG, 0);
  1908. if (ret < 0) {
  1909. dev_err(codec->dev, "Failed to reset DSP: %d\n", ret);
  1910. return ret;
  1911. }
  1912. ret = snd_soc_write(codec, M98095_097_PWR_SYS, 0);
  1913. if (ret < 0) {
  1914. dev_err(codec->dev, "Failed to reset codec: %d\n", ret);
  1915. return ret;
  1916. }
  1917. /* Reset to hardware default for registers, as there is not
  1918. * a soft reset hardware control register */
  1919. for (i = M98095_010_HOST_INT_CFG; i < M98095_REG_MAX_CACHED; i++) {
  1920. ret = snd_soc_write(codec, i, snd_soc_read(codec, i));
  1921. if (ret < 0) {
  1922. dev_err(codec->dev, "Failed to reset: %d\n", ret);
  1923. return ret;
  1924. }
  1925. }
  1926. return ret;
  1927. }
  1928. static int max98095_probe(struct snd_soc_codec *codec)
  1929. {
  1930. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  1931. struct max98095_cdata *cdata;
  1932. struct i2c_client *client;
  1933. int ret = 0;
  1934. ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
  1935. if (ret != 0) {
  1936. dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
  1937. return ret;
  1938. }
  1939. /* reset the codec, the DSP core, and disable all interrupts */
  1940. max98095_reset(codec);
  1941. client = to_i2c_client(codec->dev);
  1942. /* initialize private data */
  1943. max98095->sysclk = (unsigned)-1;
  1944. max98095->eq_textcnt = 0;
  1945. max98095->bq_textcnt = 0;
  1946. cdata = &max98095->dai[0];
  1947. cdata->rate = (unsigned)-1;
  1948. cdata->fmt = (unsigned)-1;
  1949. cdata->eq_sel = 0;
  1950. cdata->bq_sel = 0;
  1951. cdata = &max98095->dai[1];
  1952. cdata->rate = (unsigned)-1;
  1953. cdata->fmt = (unsigned)-1;
  1954. cdata->eq_sel = 0;
  1955. cdata->bq_sel = 0;
  1956. cdata = &max98095->dai[2];
  1957. cdata->rate = (unsigned)-1;
  1958. cdata->fmt = (unsigned)-1;
  1959. cdata->eq_sel = 0;
  1960. cdata->bq_sel = 0;
  1961. max98095->lin_state = 0;
  1962. max98095->mic1pre = 0;
  1963. max98095->mic2pre = 0;
  1964. if (client->irq) {
  1965. /* register an audio interrupt */
  1966. ret = request_threaded_irq(client->irq, NULL,
  1967. max98095_report_jack,
  1968. IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
  1969. "max98095", codec);
  1970. if (ret) {
  1971. dev_err(codec->dev, "Failed to request IRQ: %d\n", ret);
  1972. goto err_access;
  1973. }
  1974. }
  1975. ret = snd_soc_read(codec, M98095_0FF_REV_ID);
  1976. if (ret < 0) {
  1977. dev_err(codec->dev, "Failure reading hardware revision: %d\n",
  1978. ret);
  1979. goto err_irq;
  1980. }
  1981. dev_info(codec->dev, "Hardware revision: %c\n", ret - 0x40 + 'A');
  1982. snd_soc_write(codec, M98095_097_PWR_SYS, M98095_PWRSV);
  1983. /* initialize registers cache to hardware default */
  1984. max98095_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
  1985. snd_soc_write(codec, M98095_048_MIX_DAC_LR,
  1986. M98095_DAI1L_TO_DACL|M98095_DAI1R_TO_DACR);
  1987. snd_soc_write(codec, M98095_049_MIX_DAC_M,
  1988. M98095_DAI2M_TO_DACM|M98095_DAI3M_TO_DACM);
  1989. snd_soc_write(codec, M98095_092_PWR_EN_OUT, M98095_SPK_SPREADSPECTRUM);
  1990. snd_soc_write(codec, M98095_045_CFG_DSP, M98095_DSPNORMAL);
  1991. snd_soc_write(codec, M98095_04E_CFG_HP, M98095_HPNORMAL);
  1992. snd_soc_write(codec, M98095_02C_DAI1_IOCFG,
  1993. M98095_S1NORMAL|M98095_SDATA);
  1994. snd_soc_write(codec, M98095_036_DAI2_IOCFG,
  1995. M98095_S2NORMAL|M98095_SDATA);
  1996. snd_soc_write(codec, M98095_040_DAI3_IOCFG,
  1997. M98095_S3NORMAL|M98095_SDATA);
  1998. max98095_handle_pdata(codec);
  1999. /* take the codec out of the shut down */
  2000. snd_soc_update_bits(codec, M98095_097_PWR_SYS, M98095_SHDNRUN,
  2001. M98095_SHDNRUN);
  2002. return 0;
  2003. err_irq:
  2004. if (client->irq)
  2005. free_irq(client->irq, codec);
  2006. err_access:
  2007. return ret;
  2008. }
  2009. static int max98095_remove(struct snd_soc_codec *codec)
  2010. {
  2011. struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
  2012. struct i2c_client *client = to_i2c_client(codec->dev);
  2013. max98095_set_bias_level(codec, SND_SOC_BIAS_OFF);
  2014. if (max98095->headphone_jack || max98095->mic_jack)
  2015. max98095_jack_detect_disable(codec);
  2016. if (client->irq)
  2017. free_irq(client->irq, codec);
  2018. return 0;
  2019. }
  2020. static struct snd_soc_codec_driver soc_codec_dev_max98095 = {
  2021. .probe = max98095_probe,
  2022. .remove = max98095_remove,
  2023. .suspend = max98095_suspend,
  2024. .resume = max98095_resume,
  2025. .set_bias_level = max98095_set_bias_level,
  2026. .controls = max98095_snd_controls,
  2027. .num_controls = ARRAY_SIZE(max98095_snd_controls),
  2028. .dapm_widgets = max98095_dapm_widgets,
  2029. .num_dapm_widgets = ARRAY_SIZE(max98095_dapm_widgets),
  2030. .dapm_routes = max98095_audio_map,
  2031. .num_dapm_routes = ARRAY_SIZE(max98095_audio_map),
  2032. };
  2033. static int max98095_i2c_probe(struct i2c_client *i2c,
  2034. const struct i2c_device_id *id)
  2035. {
  2036. struct max98095_priv *max98095;
  2037. int ret;
  2038. max98095 = devm_kzalloc(&i2c->dev, sizeof(struct max98095_priv),
  2039. GFP_KERNEL);
  2040. if (max98095 == NULL)
  2041. return -ENOMEM;
  2042. max98095->regmap = devm_regmap_init_i2c(i2c, &max98095_regmap);
  2043. if (IS_ERR(max98095->regmap)) {
  2044. ret = PTR_ERR(max98095->regmap);
  2045. dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret);
  2046. return ret;
  2047. }
  2048. max98095->devtype = id->driver_data;
  2049. i2c_set_clientdata(i2c, max98095);
  2050. max98095->pdata = i2c->dev.platform_data;
  2051. ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_max98095,
  2052. max98095_dai, ARRAY_SIZE(max98095_dai));
  2053. return ret;
  2054. }
  2055. static int max98095_i2c_remove(struct i2c_client *client)
  2056. {
  2057. snd_soc_unregister_codec(&client->dev);
  2058. return 0;
  2059. }
  2060. static const struct i2c_device_id max98095_i2c_id[] = {
  2061. { "max98095", MAX98095 },
  2062. { }
  2063. };
  2064. MODULE_DEVICE_TABLE(i2c, max98095_i2c_id);
  2065. static struct i2c_driver max98095_i2c_driver = {
  2066. .driver = {
  2067. .name = "max98095",
  2068. .owner = THIS_MODULE,
  2069. },
  2070. .probe = max98095_i2c_probe,
  2071. .remove = max98095_i2c_remove,
  2072. .id_table = max98095_i2c_id,
  2073. };
  2074. module_i2c_driver(max98095_i2c_driver);
  2075. MODULE_DESCRIPTION("ALSA SoC MAX98095 driver");
  2076. MODULE_AUTHOR("Peter Hsiang");
  2077. MODULE_LICENSE("GPL");