wm8400.c 46 KB

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  1. /*
  2. * wm8400.c -- WM8400 ALSA Soc Audio driver
  3. *
  4. * Copyright 2008, 2009 Wolfson Microelectronics PLC.
  5. * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
  6. *
  7. * This program is free software; you can redistribute it and/or modify it
  8. * under the terms of the GNU General Public License as published by the
  9. * Free Software Foundation; either version 2 of the License, or (at your
  10. * option) any later version.
  11. *
  12. */
  13. #include <linux/module.h>
  14. #include <linux/moduleparam.h>
  15. #include <linux/kernel.h>
  16. #include <linux/init.h>
  17. #include <linux/delay.h>
  18. #include <linux/pm.h>
  19. #include <linux/platform_device.h>
  20. #include <linux/regulator/consumer.h>
  21. #include <linux/mfd/wm8400-audio.h>
  22. #include <linux/mfd/wm8400-private.h>
  23. #include <sound/core.h>
  24. #include <sound/pcm.h>
  25. #include <sound/pcm_params.h>
  26. #include <sound/soc.h>
  27. #include <sound/soc-dapm.h>
  28. #include <sound/initval.h>
  29. #include <sound/tlv.h>
  30. #include "wm8400.h"
  31. /* Fake register for internal state */
  32. #define WM8400_INTDRIVBITS (WM8400_REGISTER_COUNT + 1)
  33. #define WM8400_INMIXL_PWR 0
  34. #define WM8400_AINLMUX_PWR 1
  35. #define WM8400_INMIXR_PWR 2
  36. #define WM8400_AINRMUX_PWR 3
  37. static struct regulator_bulk_data power[] = {
  38. {
  39. .supply = "I2S1VDD",
  40. },
  41. {
  42. .supply = "I2S2VDD",
  43. },
  44. {
  45. .supply = "DCVDD",
  46. },
  47. {
  48. .supply = "AVDD",
  49. },
  50. {
  51. .supply = "FLLVDD",
  52. },
  53. {
  54. .supply = "HPVDD",
  55. },
  56. {
  57. .supply = "SPKVDD",
  58. },
  59. };
  60. /* codec private data */
  61. struct wm8400_priv {
  62. struct snd_soc_codec codec;
  63. struct wm8400 *wm8400;
  64. u16 fake_register;
  65. unsigned int sysclk;
  66. unsigned int pcmclk;
  67. struct work_struct work;
  68. int fll_in, fll_out;
  69. };
  70. static inline unsigned int wm8400_read(struct snd_soc_codec *codec,
  71. unsigned int reg)
  72. {
  73. struct wm8400_priv *wm8400 = codec->private_data;
  74. if (reg == WM8400_INTDRIVBITS)
  75. return wm8400->fake_register;
  76. else
  77. return wm8400_reg_read(wm8400->wm8400, reg);
  78. }
  79. /*
  80. * write to the wm8400 register space
  81. */
  82. static int wm8400_write(struct snd_soc_codec *codec, unsigned int reg,
  83. unsigned int value)
  84. {
  85. struct wm8400_priv *wm8400 = codec->private_data;
  86. if (reg == WM8400_INTDRIVBITS) {
  87. wm8400->fake_register = value;
  88. return 0;
  89. } else
  90. return wm8400_set_bits(wm8400->wm8400, reg, 0xffff, value);
  91. }
  92. static void wm8400_codec_reset(struct snd_soc_codec *codec)
  93. {
  94. struct wm8400_priv *wm8400 = codec->private_data;
  95. wm8400_reset_codec_reg_cache(wm8400->wm8400);
  96. }
  97. static const DECLARE_TLV_DB_LINEAR(rec_mix_tlv, -1500, 600);
  98. static const DECLARE_TLV_DB_LINEAR(in_pga_tlv, -1650, 3000);
  99. static const DECLARE_TLV_DB_LINEAR(out_mix_tlv, -2100, 0);
  100. static const DECLARE_TLV_DB_LINEAR(out_pga_tlv, -7300, 600);
  101. static const DECLARE_TLV_DB_LINEAR(out_omix_tlv, -600, 0);
  102. static const DECLARE_TLV_DB_LINEAR(out_dac_tlv, -7163, 0);
  103. static const DECLARE_TLV_DB_LINEAR(in_adc_tlv, -7163, 1763);
  104. static const DECLARE_TLV_DB_LINEAR(out_sidetone_tlv, -3600, 0);
  105. static int wm8400_outpga_put_volsw_vu(struct snd_kcontrol *kcontrol,
  106. struct snd_ctl_elem_value *ucontrol)
  107. {
  108. struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
  109. struct soc_mixer_control *mc =
  110. (struct soc_mixer_control *)kcontrol->private_value;
  111. int reg = mc->reg;
  112. int ret;
  113. u16 val;
  114. ret = snd_soc_put_volsw(kcontrol, ucontrol);
  115. if (ret < 0)
  116. return ret;
  117. /* now hit the volume update bits (always bit 8) */
  118. val = wm8400_read(codec, reg);
  119. return wm8400_write(codec, reg, val | 0x0100);
  120. }
  121. #define WM8400_OUTPGA_SINGLE_R_TLV(xname, reg, shift, max, invert, tlv_array) \
  122. { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname), \
  123. .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ |\
  124. SNDRV_CTL_ELEM_ACCESS_READWRITE,\
  125. .tlv.p = (tlv_array), \
  126. .info = snd_soc_info_volsw, \
  127. .get = snd_soc_get_volsw, .put = wm8400_outpga_put_volsw_vu, \
  128. .private_value = SOC_SINGLE_VALUE(reg, shift, max, invert) }
  129. static const char *wm8400_digital_sidetone[] =
  130. {"None", "Left ADC", "Right ADC", "Reserved"};
  131. static const struct soc_enum wm8400_left_digital_sidetone_enum =
  132. SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE,
  133. WM8400_ADC_TO_DACL_SHIFT, 2, wm8400_digital_sidetone);
  134. static const struct soc_enum wm8400_right_digital_sidetone_enum =
  135. SOC_ENUM_SINGLE(WM8400_DIGITAL_SIDE_TONE,
  136. WM8400_ADC_TO_DACR_SHIFT, 2, wm8400_digital_sidetone);
  137. static const char *wm8400_adcmode[] =
  138. {"Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3"};
  139. static const struct soc_enum wm8400_right_adcmode_enum =
  140. SOC_ENUM_SINGLE(WM8400_ADC_CTRL, WM8400_ADC_HPF_CUT_SHIFT, 3, wm8400_adcmode);
  141. static const struct snd_kcontrol_new wm8400_snd_controls[] = {
  142. /* INMIXL */
  143. SOC_SINGLE("LIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L12MNBST_SHIFT,
  144. 1, 0),
  145. SOC_SINGLE("LIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_L34MNBST_SHIFT,
  146. 1, 0),
  147. /* INMIXR */
  148. SOC_SINGLE("RIN12 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R12MNBST_SHIFT,
  149. 1, 0),
  150. SOC_SINGLE("RIN34 PGA Boost", WM8400_INPUT_MIXER3, WM8400_R34MNBST_SHIFT,
  151. 1, 0),
  152. /* LOMIX */
  153. SOC_SINGLE_TLV("LOMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER3,
  154. WM8400_LLI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
  155. SOC_SINGLE_TLV("LOMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
  156. WM8400_LR12LOVOL_SHIFT, 7, 0, out_mix_tlv),
  157. SOC_SINGLE_TLV("LOMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER3,
  158. WM8400_LL12LOVOL_SHIFT, 7, 0, out_mix_tlv),
  159. SOC_SINGLE_TLV("LOMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER5,
  160. WM8400_LRI3LOVOL_SHIFT, 7, 0, out_mix_tlv),
  161. SOC_SINGLE_TLV("LOMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
  162. WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
  163. SOC_SINGLE_TLV("LOMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER5,
  164. WM8400_LRBLOVOL_SHIFT, 7, 0, out_mix_tlv),
  165. /* ROMIX */
  166. SOC_SINGLE_TLV("ROMIX RIN3 Bypass Volume", WM8400_OUTPUT_MIXER4,
  167. WM8400_RRI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
  168. SOC_SINGLE_TLV("ROMIX LIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
  169. WM8400_RL12ROVOL_SHIFT, 7, 0, out_mix_tlv),
  170. SOC_SINGLE_TLV("ROMIX RIN12 PGA Bypass Volume", WM8400_OUTPUT_MIXER4,
  171. WM8400_RR12ROVOL_SHIFT, 7, 0, out_mix_tlv),
  172. SOC_SINGLE_TLV("ROMIX LIN3 Bypass Volume", WM8400_OUTPUT_MIXER6,
  173. WM8400_RLI3ROVOL_SHIFT, 7, 0, out_mix_tlv),
  174. SOC_SINGLE_TLV("ROMIX AINLMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
  175. WM8400_RLBROVOL_SHIFT, 7, 0, out_mix_tlv),
  176. SOC_SINGLE_TLV("ROMIX AINRMUX Bypass Volume", WM8400_OUTPUT_MIXER6,
  177. WM8400_RRBROVOL_SHIFT, 7, 0, out_mix_tlv),
  178. /* LOUT */
  179. WM8400_OUTPGA_SINGLE_R_TLV("LOUT Volume", WM8400_LEFT_OUTPUT_VOLUME,
  180. WM8400_LOUTVOL_SHIFT, WM8400_LOUTVOL_MASK, 0, out_pga_tlv),
  181. SOC_SINGLE("LOUT ZC", WM8400_LEFT_OUTPUT_VOLUME, WM8400_LOZC_SHIFT, 1, 0),
  182. /* ROUT */
  183. WM8400_OUTPGA_SINGLE_R_TLV("ROUT Volume", WM8400_RIGHT_OUTPUT_VOLUME,
  184. WM8400_ROUTVOL_SHIFT, WM8400_ROUTVOL_MASK, 0, out_pga_tlv),
  185. SOC_SINGLE("ROUT ZC", WM8400_RIGHT_OUTPUT_VOLUME, WM8400_ROZC_SHIFT, 1, 0),
  186. /* LOPGA */
  187. WM8400_OUTPGA_SINGLE_R_TLV("LOPGA Volume", WM8400_LEFT_OPGA_VOLUME,
  188. WM8400_LOPGAVOL_SHIFT, WM8400_LOPGAVOL_MASK, 0, out_pga_tlv),
  189. SOC_SINGLE("LOPGA ZC Switch", WM8400_LEFT_OPGA_VOLUME,
  190. WM8400_LOPGAZC_SHIFT, 1, 0),
  191. /* ROPGA */
  192. WM8400_OUTPGA_SINGLE_R_TLV("ROPGA Volume", WM8400_RIGHT_OPGA_VOLUME,
  193. WM8400_ROPGAVOL_SHIFT, WM8400_ROPGAVOL_MASK, 0, out_pga_tlv),
  194. SOC_SINGLE("ROPGA ZC Switch", WM8400_RIGHT_OPGA_VOLUME,
  195. WM8400_ROPGAZC_SHIFT, 1, 0),
  196. SOC_SINGLE("LON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
  197. WM8400_LONMUTE_SHIFT, 1, 0),
  198. SOC_SINGLE("LOP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
  199. WM8400_LOPMUTE_SHIFT, 1, 0),
  200. SOC_SINGLE("LOP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
  201. WM8400_LOATTN_SHIFT, 1, 0),
  202. SOC_SINGLE("RON Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
  203. WM8400_RONMUTE_SHIFT, 1, 0),
  204. SOC_SINGLE("ROP Mute Switch", WM8400_LINE_OUTPUTS_VOLUME,
  205. WM8400_ROPMUTE_SHIFT, 1, 0),
  206. SOC_SINGLE("ROP Attenuation Switch", WM8400_LINE_OUTPUTS_VOLUME,
  207. WM8400_ROATTN_SHIFT, 1, 0),
  208. SOC_SINGLE("OUT3 Mute Switch", WM8400_OUT3_4_VOLUME,
  209. WM8400_OUT3MUTE_SHIFT, 1, 0),
  210. SOC_SINGLE("OUT3 Attenuation Switch", WM8400_OUT3_4_VOLUME,
  211. WM8400_OUT3ATTN_SHIFT, 1, 0),
  212. SOC_SINGLE("OUT4 Mute Switch", WM8400_OUT3_4_VOLUME,
  213. WM8400_OUT4MUTE_SHIFT, 1, 0),
  214. SOC_SINGLE("OUT4 Attenuation Switch", WM8400_OUT3_4_VOLUME,
  215. WM8400_OUT4ATTN_SHIFT, 1, 0),
  216. SOC_SINGLE("Speaker Mode Switch", WM8400_CLASSD1,
  217. WM8400_CDMODE_SHIFT, 1, 0),
  218. SOC_SINGLE("Speaker Output Attenuation Volume", WM8400_SPEAKER_VOLUME,
  219. WM8400_SPKATTN_SHIFT, WM8400_SPKATTN_MASK, 0),
  220. SOC_SINGLE("Speaker DC Boost Volume", WM8400_CLASSD3,
  221. WM8400_DCGAIN_SHIFT, 6, 0),
  222. SOC_SINGLE("Speaker AC Boost Volume", WM8400_CLASSD3,
  223. WM8400_ACGAIN_SHIFT, 6, 0),
  224. WM8400_OUTPGA_SINGLE_R_TLV("Left DAC Digital Volume",
  225. WM8400_LEFT_DAC_DIGITAL_VOLUME, WM8400_DACL_VOL_SHIFT,
  226. 127, 0, out_dac_tlv),
  227. WM8400_OUTPGA_SINGLE_R_TLV("Right DAC Digital Volume",
  228. WM8400_RIGHT_DAC_DIGITAL_VOLUME, WM8400_DACR_VOL_SHIFT,
  229. 127, 0, out_dac_tlv),
  230. SOC_ENUM("Left Digital Sidetone", wm8400_left_digital_sidetone_enum),
  231. SOC_ENUM("Right Digital Sidetone", wm8400_right_digital_sidetone_enum),
  232. SOC_SINGLE_TLV("Left Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
  233. WM8400_ADCL_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
  234. SOC_SINGLE_TLV("Right Digital Sidetone Volume", WM8400_DIGITAL_SIDE_TONE,
  235. WM8400_ADCR_DAC_SVOL_SHIFT, 15, 0, out_sidetone_tlv),
  236. SOC_SINGLE("ADC Digital High Pass Filter Switch", WM8400_ADC_CTRL,
  237. WM8400_ADC_HPF_ENA_SHIFT, 1, 0),
  238. SOC_ENUM("ADC HPF Mode", wm8400_right_adcmode_enum),
  239. WM8400_OUTPGA_SINGLE_R_TLV("Left ADC Digital Volume",
  240. WM8400_LEFT_ADC_DIGITAL_VOLUME,
  241. WM8400_ADCL_VOL_SHIFT,
  242. WM8400_ADCL_VOL_MASK,
  243. 0,
  244. in_adc_tlv),
  245. WM8400_OUTPGA_SINGLE_R_TLV("Right ADC Digital Volume",
  246. WM8400_RIGHT_ADC_DIGITAL_VOLUME,
  247. WM8400_ADCR_VOL_SHIFT,
  248. WM8400_ADCR_VOL_MASK,
  249. 0,
  250. in_adc_tlv),
  251. WM8400_OUTPGA_SINGLE_R_TLV("LIN12 Volume",
  252. WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
  253. WM8400_LIN12VOL_SHIFT,
  254. WM8400_LIN12VOL_MASK,
  255. 0,
  256. in_pga_tlv),
  257. SOC_SINGLE("LIN12 ZC Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
  258. WM8400_LI12ZC_SHIFT, 1, 0),
  259. SOC_SINGLE("LIN12 Mute Switch", WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
  260. WM8400_LI12MUTE_SHIFT, 1, 0),
  261. WM8400_OUTPGA_SINGLE_R_TLV("LIN34 Volume",
  262. WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
  263. WM8400_LIN34VOL_SHIFT,
  264. WM8400_LIN34VOL_MASK,
  265. 0,
  266. in_pga_tlv),
  267. SOC_SINGLE("LIN34 ZC Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
  268. WM8400_LI34ZC_SHIFT, 1, 0),
  269. SOC_SINGLE("LIN34 Mute Switch", WM8400_LEFT_LINE_INPUT_3_4_VOLUME,
  270. WM8400_LI34MUTE_SHIFT, 1, 0),
  271. WM8400_OUTPGA_SINGLE_R_TLV("RIN12 Volume",
  272. WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
  273. WM8400_RIN12VOL_SHIFT,
  274. WM8400_RIN12VOL_MASK,
  275. 0,
  276. in_pga_tlv),
  277. SOC_SINGLE("RIN12 ZC Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
  278. WM8400_RI12ZC_SHIFT, 1, 0),
  279. SOC_SINGLE("RIN12 Mute Switch", WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
  280. WM8400_RI12MUTE_SHIFT, 1, 0),
  281. WM8400_OUTPGA_SINGLE_R_TLV("RIN34 Volume",
  282. WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
  283. WM8400_RIN34VOL_SHIFT,
  284. WM8400_RIN34VOL_MASK,
  285. 0,
  286. in_pga_tlv),
  287. SOC_SINGLE("RIN34 ZC Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
  288. WM8400_RI34ZC_SHIFT, 1, 0),
  289. SOC_SINGLE("RIN34 Mute Switch", WM8400_RIGHT_LINE_INPUT_3_4_VOLUME,
  290. WM8400_RI34MUTE_SHIFT, 1, 0),
  291. };
  292. /* add non dapm controls */
  293. static int wm8400_add_controls(struct snd_soc_codec *codec)
  294. {
  295. return snd_soc_add_controls(codec, wm8400_snd_controls,
  296. ARRAY_SIZE(wm8400_snd_controls));
  297. }
  298. /*
  299. * _DAPM_ Controls
  300. */
  301. static int inmixer_event (struct snd_soc_dapm_widget *w,
  302. struct snd_kcontrol *kcontrol, int event)
  303. {
  304. u16 reg, fakepower;
  305. reg = wm8400_read(w->codec, WM8400_POWER_MANAGEMENT_2);
  306. fakepower = wm8400_read(w->codec, WM8400_INTDRIVBITS);
  307. if (fakepower & ((1 << WM8400_INMIXL_PWR) |
  308. (1 << WM8400_AINLMUX_PWR))) {
  309. reg |= WM8400_AINL_ENA;
  310. } else {
  311. reg &= ~WM8400_AINL_ENA;
  312. }
  313. if (fakepower & ((1 << WM8400_INMIXR_PWR) |
  314. (1 << WM8400_AINRMUX_PWR))) {
  315. reg |= WM8400_AINR_ENA;
  316. } else {
  317. reg &= ~WM8400_AINL_ENA;
  318. }
  319. wm8400_write(w->codec, WM8400_POWER_MANAGEMENT_2, reg);
  320. return 0;
  321. }
  322. static int outmixer_event (struct snd_soc_dapm_widget *w,
  323. struct snd_kcontrol * kcontrol, int event)
  324. {
  325. struct soc_mixer_control *mc =
  326. (struct soc_mixer_control *)kcontrol->private_value;
  327. u32 reg_shift = mc->shift;
  328. int ret = 0;
  329. u16 reg;
  330. switch (reg_shift) {
  331. case WM8400_SPEAKER_MIXER | (WM8400_LDSPK << 8) :
  332. reg = wm8400_read(w->codec, WM8400_OUTPUT_MIXER1);
  333. if (reg & WM8400_LDLO) {
  334. printk(KERN_WARNING
  335. "Cannot set as Output Mixer 1 LDLO Set\n");
  336. ret = -1;
  337. }
  338. break;
  339. case WM8400_SPEAKER_MIXER | (WM8400_RDSPK << 8):
  340. reg = wm8400_read(w->codec, WM8400_OUTPUT_MIXER2);
  341. if (reg & WM8400_RDRO) {
  342. printk(KERN_WARNING
  343. "Cannot set as Output Mixer 2 RDRO Set\n");
  344. ret = -1;
  345. }
  346. break;
  347. case WM8400_OUTPUT_MIXER1 | (WM8400_LDLO << 8):
  348. reg = wm8400_read(w->codec, WM8400_SPEAKER_MIXER);
  349. if (reg & WM8400_LDSPK) {
  350. printk(KERN_WARNING
  351. "Cannot set as Speaker Mixer LDSPK Set\n");
  352. ret = -1;
  353. }
  354. break;
  355. case WM8400_OUTPUT_MIXER2 | (WM8400_RDRO << 8):
  356. reg = wm8400_read(w->codec, WM8400_SPEAKER_MIXER);
  357. if (reg & WM8400_RDSPK) {
  358. printk(KERN_WARNING
  359. "Cannot set as Speaker Mixer RDSPK Set\n");
  360. ret = -1;
  361. }
  362. break;
  363. }
  364. return ret;
  365. }
  366. /* INMIX dB values */
  367. static const unsigned int in_mix_tlv[] = {
  368. TLV_DB_RANGE_HEAD(1),
  369. 0,7, TLV_DB_LINEAR_ITEM(-1200, 600),
  370. };
  371. /* Left In PGA Connections */
  372. static const struct snd_kcontrol_new wm8400_dapm_lin12_pga_controls[] = {
  373. SOC_DAPM_SINGLE("LIN1 Switch", WM8400_INPUT_MIXER2, WM8400_LMN1_SHIFT, 1, 0),
  374. SOC_DAPM_SINGLE("LIN2 Switch", WM8400_INPUT_MIXER2, WM8400_LMP2_SHIFT, 1, 0),
  375. };
  376. static const struct snd_kcontrol_new wm8400_dapm_lin34_pga_controls[] = {
  377. SOC_DAPM_SINGLE("LIN3 Switch", WM8400_INPUT_MIXER2, WM8400_LMN3_SHIFT, 1, 0),
  378. SOC_DAPM_SINGLE("LIN4 Switch", WM8400_INPUT_MIXER2, WM8400_LMP4_SHIFT, 1, 0),
  379. };
  380. /* Right In PGA Connections */
  381. static const struct snd_kcontrol_new wm8400_dapm_rin12_pga_controls[] = {
  382. SOC_DAPM_SINGLE("RIN1 Switch", WM8400_INPUT_MIXER2, WM8400_RMN1_SHIFT, 1, 0),
  383. SOC_DAPM_SINGLE("RIN2 Switch", WM8400_INPUT_MIXER2, WM8400_RMP2_SHIFT, 1, 0),
  384. };
  385. static const struct snd_kcontrol_new wm8400_dapm_rin34_pga_controls[] = {
  386. SOC_DAPM_SINGLE("RIN3 Switch", WM8400_INPUT_MIXER2, WM8400_RMN3_SHIFT, 1, 0),
  387. SOC_DAPM_SINGLE("RIN4 Switch", WM8400_INPUT_MIXER2, WM8400_RMP4_SHIFT, 1, 0),
  388. };
  389. /* INMIXL */
  390. static const struct snd_kcontrol_new wm8400_dapm_inmixl_controls[] = {
  391. SOC_DAPM_SINGLE_TLV("Record Left Volume", WM8400_INPUT_MIXER3,
  392. WM8400_LDBVOL_SHIFT, WM8400_LDBVOL_MASK, 0, in_mix_tlv),
  393. SOC_DAPM_SINGLE_TLV("LIN2 Volume", WM8400_INPUT_MIXER5, WM8400_LI2BVOL_SHIFT,
  394. 7, 0, in_mix_tlv),
  395. SOC_DAPM_SINGLE("LINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
  396. 1, 0),
  397. SOC_DAPM_SINGLE("LINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
  398. 1, 0),
  399. };
  400. /* INMIXR */
  401. static const struct snd_kcontrol_new wm8400_dapm_inmixr_controls[] = {
  402. SOC_DAPM_SINGLE_TLV("Record Right Volume", WM8400_INPUT_MIXER4,
  403. WM8400_RDBVOL_SHIFT, WM8400_RDBVOL_MASK, 0, in_mix_tlv),
  404. SOC_DAPM_SINGLE_TLV("RIN2 Volume", WM8400_INPUT_MIXER6, WM8400_RI2BVOL_SHIFT,
  405. 7, 0, in_mix_tlv),
  406. SOC_DAPM_SINGLE("RINPGA12 Switch", WM8400_INPUT_MIXER3, WM8400_L12MNB_SHIFT,
  407. 1, 0),
  408. SOC_DAPM_SINGLE("RINPGA34 Switch", WM8400_INPUT_MIXER3, WM8400_L34MNB_SHIFT,
  409. 1, 0),
  410. };
  411. /* AINLMUX */
  412. static const char *wm8400_ainlmux[] =
  413. {"INMIXL Mix", "RXVOICE Mix", "DIFFINL Mix"};
  414. static const struct soc_enum wm8400_ainlmux_enum =
  415. SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINLMODE_SHIFT,
  416. ARRAY_SIZE(wm8400_ainlmux), wm8400_ainlmux);
  417. static const struct snd_kcontrol_new wm8400_dapm_ainlmux_controls =
  418. SOC_DAPM_ENUM("Route", wm8400_ainlmux_enum);
  419. /* DIFFINL */
  420. /* AINRMUX */
  421. static const char *wm8400_ainrmux[] =
  422. {"INMIXR Mix", "RXVOICE Mix", "DIFFINR Mix"};
  423. static const struct soc_enum wm8400_ainrmux_enum =
  424. SOC_ENUM_SINGLE( WM8400_INPUT_MIXER1, WM8400_AINRMODE_SHIFT,
  425. ARRAY_SIZE(wm8400_ainrmux), wm8400_ainrmux);
  426. static const struct snd_kcontrol_new wm8400_dapm_ainrmux_controls =
  427. SOC_DAPM_ENUM("Route", wm8400_ainrmux_enum);
  428. /* RXVOICE */
  429. static const struct snd_kcontrol_new wm8400_dapm_rxvoice_controls[] = {
  430. SOC_DAPM_SINGLE_TLV("LIN4/RXN", WM8400_INPUT_MIXER5, WM8400_LR4BVOL_SHIFT,
  431. WM8400_LR4BVOL_MASK, 0, in_mix_tlv),
  432. SOC_DAPM_SINGLE_TLV("RIN4/RXP", WM8400_INPUT_MIXER6, WM8400_RL4BVOL_SHIFT,
  433. WM8400_RL4BVOL_MASK, 0, in_mix_tlv),
  434. };
  435. /* LOMIX */
  436. static const struct snd_kcontrol_new wm8400_dapm_lomix_controls[] = {
  437. SOC_DAPM_SINGLE("LOMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
  438. WM8400_LRBLO_SHIFT, 1, 0),
  439. SOC_DAPM_SINGLE("LOMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER1,
  440. WM8400_LLBLO_SHIFT, 1, 0),
  441. SOC_DAPM_SINGLE("LOMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
  442. WM8400_LRI3LO_SHIFT, 1, 0),
  443. SOC_DAPM_SINGLE("LOMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER1,
  444. WM8400_LLI3LO_SHIFT, 1, 0),
  445. SOC_DAPM_SINGLE("LOMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
  446. WM8400_LR12LO_SHIFT, 1, 0),
  447. SOC_DAPM_SINGLE("LOMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER1,
  448. WM8400_LL12LO_SHIFT, 1, 0),
  449. SOC_DAPM_SINGLE("LOMIX Left DAC Switch", WM8400_OUTPUT_MIXER1,
  450. WM8400_LDLO_SHIFT, 1, 0),
  451. };
  452. /* ROMIX */
  453. static const struct snd_kcontrol_new wm8400_dapm_romix_controls[] = {
  454. SOC_DAPM_SINGLE("ROMIX Left ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
  455. WM8400_RLBRO_SHIFT, 1, 0),
  456. SOC_DAPM_SINGLE("ROMIX Right ADC Bypass Switch", WM8400_OUTPUT_MIXER2,
  457. WM8400_RRBRO_SHIFT, 1, 0),
  458. SOC_DAPM_SINGLE("ROMIX LIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
  459. WM8400_RLI3RO_SHIFT, 1, 0),
  460. SOC_DAPM_SINGLE("ROMIX RIN3 Bypass Switch", WM8400_OUTPUT_MIXER2,
  461. WM8400_RRI3RO_SHIFT, 1, 0),
  462. SOC_DAPM_SINGLE("ROMIX LIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
  463. WM8400_RL12RO_SHIFT, 1, 0),
  464. SOC_DAPM_SINGLE("ROMIX RIN12 PGA Bypass Switch", WM8400_OUTPUT_MIXER2,
  465. WM8400_RR12RO_SHIFT, 1, 0),
  466. SOC_DAPM_SINGLE("ROMIX Right DAC Switch", WM8400_OUTPUT_MIXER2,
  467. WM8400_RDRO_SHIFT, 1, 0),
  468. };
  469. /* LONMIX */
  470. static const struct snd_kcontrol_new wm8400_dapm_lonmix_controls[] = {
  471. SOC_DAPM_SINGLE("LONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
  472. WM8400_LLOPGALON_SHIFT, 1, 0),
  473. SOC_DAPM_SINGLE("LONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER1,
  474. WM8400_LROPGALON_SHIFT, 1, 0),
  475. SOC_DAPM_SINGLE("LONMIX Inverted LOP Switch", WM8400_LINE_MIXER1,
  476. WM8400_LOPLON_SHIFT, 1, 0),
  477. };
  478. /* LOPMIX */
  479. static const struct snd_kcontrol_new wm8400_dapm_lopmix_controls[] = {
  480. SOC_DAPM_SINGLE("LOPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER1,
  481. WM8400_LR12LOP_SHIFT, 1, 0),
  482. SOC_DAPM_SINGLE("LOPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER1,
  483. WM8400_LL12LOP_SHIFT, 1, 0),
  484. SOC_DAPM_SINGLE("LOPMIX Left Mixer PGA Switch", WM8400_LINE_MIXER1,
  485. WM8400_LLOPGALOP_SHIFT, 1, 0),
  486. };
  487. /* RONMIX */
  488. static const struct snd_kcontrol_new wm8400_dapm_ronmix_controls[] = {
  489. SOC_DAPM_SINGLE("RONMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
  490. WM8400_RROPGARON_SHIFT, 1, 0),
  491. SOC_DAPM_SINGLE("RONMIX Left Mixer PGA Switch", WM8400_LINE_MIXER2,
  492. WM8400_RLOPGARON_SHIFT, 1, 0),
  493. SOC_DAPM_SINGLE("RONMIX Inverted ROP Switch", WM8400_LINE_MIXER2,
  494. WM8400_ROPRON_SHIFT, 1, 0),
  495. };
  496. /* ROPMIX */
  497. static const struct snd_kcontrol_new wm8400_dapm_ropmix_controls[] = {
  498. SOC_DAPM_SINGLE("ROPMIX Left Mic Bypass Switch", WM8400_LINE_MIXER2,
  499. WM8400_RL12ROP_SHIFT, 1, 0),
  500. SOC_DAPM_SINGLE("ROPMIX Right Mic Bypass Switch", WM8400_LINE_MIXER2,
  501. WM8400_RR12ROP_SHIFT, 1, 0),
  502. SOC_DAPM_SINGLE("ROPMIX Right Mixer PGA Switch", WM8400_LINE_MIXER2,
  503. WM8400_RROPGAROP_SHIFT, 1, 0),
  504. };
  505. /* OUT3MIX */
  506. static const struct snd_kcontrol_new wm8400_dapm_out3mix_controls[] = {
  507. SOC_DAPM_SINGLE("OUT3MIX LIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
  508. WM8400_LI4O3_SHIFT, 1, 0),
  509. SOC_DAPM_SINGLE("OUT3MIX Left Out PGA Switch", WM8400_OUT3_4_MIXER,
  510. WM8400_LPGAO3_SHIFT, 1, 0),
  511. };
  512. /* OUT4MIX */
  513. static const struct snd_kcontrol_new wm8400_dapm_out4mix_controls[] = {
  514. SOC_DAPM_SINGLE("OUT4MIX Right Out PGA Switch", WM8400_OUT3_4_MIXER,
  515. WM8400_RPGAO4_SHIFT, 1, 0),
  516. SOC_DAPM_SINGLE("OUT4MIX RIN4/RXP Bypass Switch", WM8400_OUT3_4_MIXER,
  517. WM8400_RI4O4_SHIFT, 1, 0),
  518. };
  519. /* SPKMIX */
  520. static const struct snd_kcontrol_new wm8400_dapm_spkmix_controls[] = {
  521. SOC_DAPM_SINGLE("SPKMIX LIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
  522. WM8400_LI2SPK_SHIFT, 1, 0),
  523. SOC_DAPM_SINGLE("SPKMIX LADC Bypass Switch", WM8400_SPEAKER_MIXER,
  524. WM8400_LB2SPK_SHIFT, 1, 0),
  525. SOC_DAPM_SINGLE("SPKMIX Left Mixer PGA Switch", WM8400_SPEAKER_MIXER,
  526. WM8400_LOPGASPK_SHIFT, 1, 0),
  527. SOC_DAPM_SINGLE("SPKMIX Left DAC Switch", WM8400_SPEAKER_MIXER,
  528. WM8400_LDSPK_SHIFT, 1, 0),
  529. SOC_DAPM_SINGLE("SPKMIX Right DAC Switch", WM8400_SPEAKER_MIXER,
  530. WM8400_RDSPK_SHIFT, 1, 0),
  531. SOC_DAPM_SINGLE("SPKMIX Right Mixer PGA Switch", WM8400_SPEAKER_MIXER,
  532. WM8400_ROPGASPK_SHIFT, 1, 0),
  533. SOC_DAPM_SINGLE("SPKMIX RADC Bypass Switch", WM8400_SPEAKER_MIXER,
  534. WM8400_RL12ROP_SHIFT, 1, 0),
  535. SOC_DAPM_SINGLE("SPKMIX RIN2 Bypass Switch", WM8400_SPEAKER_MIXER,
  536. WM8400_RI2SPK_SHIFT, 1, 0),
  537. };
  538. static const struct snd_soc_dapm_widget wm8400_dapm_widgets[] = {
  539. /* Input Side */
  540. /* Input Lines */
  541. SND_SOC_DAPM_INPUT("LIN1"),
  542. SND_SOC_DAPM_INPUT("LIN2"),
  543. SND_SOC_DAPM_INPUT("LIN3"),
  544. SND_SOC_DAPM_INPUT("LIN4/RXN"),
  545. SND_SOC_DAPM_INPUT("RIN3"),
  546. SND_SOC_DAPM_INPUT("RIN4/RXP"),
  547. SND_SOC_DAPM_INPUT("RIN1"),
  548. SND_SOC_DAPM_INPUT("RIN2"),
  549. SND_SOC_DAPM_INPUT("Internal ADC Source"),
  550. /* DACs */
  551. SND_SOC_DAPM_ADC("Left ADC", "Left Capture", WM8400_POWER_MANAGEMENT_2,
  552. WM8400_ADCL_ENA_SHIFT, 0),
  553. SND_SOC_DAPM_ADC("Right ADC", "Right Capture", WM8400_POWER_MANAGEMENT_2,
  554. WM8400_ADCR_ENA_SHIFT, 0),
  555. /* Input PGAs */
  556. SND_SOC_DAPM_MIXER("LIN12 PGA", WM8400_POWER_MANAGEMENT_2,
  557. WM8400_LIN12_ENA_SHIFT,
  558. 0, &wm8400_dapm_lin12_pga_controls[0],
  559. ARRAY_SIZE(wm8400_dapm_lin12_pga_controls)),
  560. SND_SOC_DAPM_MIXER("LIN34 PGA", WM8400_POWER_MANAGEMENT_2,
  561. WM8400_LIN34_ENA_SHIFT,
  562. 0, &wm8400_dapm_lin34_pga_controls[0],
  563. ARRAY_SIZE(wm8400_dapm_lin34_pga_controls)),
  564. SND_SOC_DAPM_MIXER("RIN12 PGA", WM8400_POWER_MANAGEMENT_2,
  565. WM8400_RIN12_ENA_SHIFT,
  566. 0, &wm8400_dapm_rin12_pga_controls[0],
  567. ARRAY_SIZE(wm8400_dapm_rin12_pga_controls)),
  568. SND_SOC_DAPM_MIXER("RIN34 PGA", WM8400_POWER_MANAGEMENT_2,
  569. WM8400_RIN34_ENA_SHIFT,
  570. 0, &wm8400_dapm_rin34_pga_controls[0],
  571. ARRAY_SIZE(wm8400_dapm_rin34_pga_controls)),
  572. /* INMIXL */
  573. SND_SOC_DAPM_MIXER_E("INMIXL", WM8400_INTDRIVBITS, WM8400_INMIXL_PWR, 0,
  574. &wm8400_dapm_inmixl_controls[0],
  575. ARRAY_SIZE(wm8400_dapm_inmixl_controls),
  576. inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
  577. /* AINLMUX */
  578. SND_SOC_DAPM_MUX_E("AILNMUX", WM8400_INTDRIVBITS, WM8400_AINLMUX_PWR, 0,
  579. &wm8400_dapm_ainlmux_controls, inmixer_event,
  580. SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
  581. /* INMIXR */
  582. SND_SOC_DAPM_MIXER_E("INMIXR", WM8400_INTDRIVBITS, WM8400_INMIXR_PWR, 0,
  583. &wm8400_dapm_inmixr_controls[0],
  584. ARRAY_SIZE(wm8400_dapm_inmixr_controls),
  585. inmixer_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
  586. /* AINRMUX */
  587. SND_SOC_DAPM_MUX_E("AIRNMUX", WM8400_INTDRIVBITS, WM8400_AINRMUX_PWR, 0,
  588. &wm8400_dapm_ainrmux_controls, inmixer_event,
  589. SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
  590. /* Output Side */
  591. /* DACs */
  592. SND_SOC_DAPM_DAC("Left DAC", "Left Playback", WM8400_POWER_MANAGEMENT_3,
  593. WM8400_DACL_ENA_SHIFT, 0),
  594. SND_SOC_DAPM_DAC("Right DAC", "Right Playback", WM8400_POWER_MANAGEMENT_3,
  595. WM8400_DACR_ENA_SHIFT, 0),
  596. /* LOMIX */
  597. SND_SOC_DAPM_MIXER_E("LOMIX", WM8400_POWER_MANAGEMENT_3,
  598. WM8400_LOMIX_ENA_SHIFT,
  599. 0, &wm8400_dapm_lomix_controls[0],
  600. ARRAY_SIZE(wm8400_dapm_lomix_controls),
  601. outmixer_event, SND_SOC_DAPM_PRE_REG),
  602. /* LONMIX */
  603. SND_SOC_DAPM_MIXER("LONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LON_ENA_SHIFT,
  604. 0, &wm8400_dapm_lonmix_controls[0],
  605. ARRAY_SIZE(wm8400_dapm_lonmix_controls)),
  606. /* LOPMIX */
  607. SND_SOC_DAPM_MIXER("LOPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_LOP_ENA_SHIFT,
  608. 0, &wm8400_dapm_lopmix_controls[0],
  609. ARRAY_SIZE(wm8400_dapm_lopmix_controls)),
  610. /* OUT3MIX */
  611. SND_SOC_DAPM_MIXER("OUT3MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT3_ENA_SHIFT,
  612. 0, &wm8400_dapm_out3mix_controls[0],
  613. ARRAY_SIZE(wm8400_dapm_out3mix_controls)),
  614. /* SPKMIX */
  615. SND_SOC_DAPM_MIXER_E("SPKMIX", WM8400_POWER_MANAGEMENT_1, WM8400_SPK_ENA_SHIFT,
  616. 0, &wm8400_dapm_spkmix_controls[0],
  617. ARRAY_SIZE(wm8400_dapm_spkmix_controls), outmixer_event,
  618. SND_SOC_DAPM_PRE_REG),
  619. /* OUT4MIX */
  620. SND_SOC_DAPM_MIXER("OUT4MIX", WM8400_POWER_MANAGEMENT_1, WM8400_OUT4_ENA_SHIFT,
  621. 0, &wm8400_dapm_out4mix_controls[0],
  622. ARRAY_SIZE(wm8400_dapm_out4mix_controls)),
  623. /* ROPMIX */
  624. SND_SOC_DAPM_MIXER("ROPMIX", WM8400_POWER_MANAGEMENT_3, WM8400_ROP_ENA_SHIFT,
  625. 0, &wm8400_dapm_ropmix_controls[0],
  626. ARRAY_SIZE(wm8400_dapm_ropmix_controls)),
  627. /* RONMIX */
  628. SND_SOC_DAPM_MIXER("RONMIX", WM8400_POWER_MANAGEMENT_3, WM8400_RON_ENA_SHIFT,
  629. 0, &wm8400_dapm_ronmix_controls[0],
  630. ARRAY_SIZE(wm8400_dapm_ronmix_controls)),
  631. /* ROMIX */
  632. SND_SOC_DAPM_MIXER_E("ROMIX", WM8400_POWER_MANAGEMENT_3,
  633. WM8400_ROMIX_ENA_SHIFT,
  634. 0, &wm8400_dapm_romix_controls[0],
  635. ARRAY_SIZE(wm8400_dapm_romix_controls),
  636. outmixer_event, SND_SOC_DAPM_PRE_REG),
  637. /* LOUT PGA */
  638. SND_SOC_DAPM_PGA("LOUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_LOUT_ENA_SHIFT,
  639. 0, NULL, 0),
  640. /* ROUT PGA */
  641. SND_SOC_DAPM_PGA("ROUT PGA", WM8400_POWER_MANAGEMENT_1, WM8400_ROUT_ENA_SHIFT,
  642. 0, NULL, 0),
  643. /* LOPGA */
  644. SND_SOC_DAPM_PGA("LOPGA", WM8400_POWER_MANAGEMENT_3, WM8400_LOPGA_ENA_SHIFT, 0,
  645. NULL, 0),
  646. /* ROPGA */
  647. SND_SOC_DAPM_PGA("ROPGA", WM8400_POWER_MANAGEMENT_3, WM8400_ROPGA_ENA_SHIFT, 0,
  648. NULL, 0),
  649. /* MICBIAS */
  650. SND_SOC_DAPM_MICBIAS("MICBIAS", WM8400_POWER_MANAGEMENT_1,
  651. WM8400_MIC1BIAS_ENA_SHIFT, 0),
  652. SND_SOC_DAPM_OUTPUT("LON"),
  653. SND_SOC_DAPM_OUTPUT("LOP"),
  654. SND_SOC_DAPM_OUTPUT("OUT3"),
  655. SND_SOC_DAPM_OUTPUT("LOUT"),
  656. SND_SOC_DAPM_OUTPUT("SPKN"),
  657. SND_SOC_DAPM_OUTPUT("SPKP"),
  658. SND_SOC_DAPM_OUTPUT("ROUT"),
  659. SND_SOC_DAPM_OUTPUT("OUT4"),
  660. SND_SOC_DAPM_OUTPUT("ROP"),
  661. SND_SOC_DAPM_OUTPUT("RON"),
  662. SND_SOC_DAPM_OUTPUT("Internal DAC Sink"),
  663. };
  664. static const struct snd_soc_dapm_route audio_map[] = {
  665. /* Make DACs turn on when playing even if not mixed into any outputs */
  666. {"Internal DAC Sink", NULL, "Left DAC"},
  667. {"Internal DAC Sink", NULL, "Right DAC"},
  668. /* Make ADCs turn on when recording
  669. * even if not mixed from any inputs */
  670. {"Left ADC", NULL, "Internal ADC Source"},
  671. {"Right ADC", NULL, "Internal ADC Source"},
  672. /* Input Side */
  673. /* LIN12 PGA */
  674. {"LIN12 PGA", "LIN1 Switch", "LIN1"},
  675. {"LIN12 PGA", "LIN2 Switch", "LIN2"},
  676. /* LIN34 PGA */
  677. {"LIN34 PGA", "LIN3 Switch", "LIN3"},
  678. {"LIN34 PGA", "LIN4 Switch", "LIN4/RXN"},
  679. /* INMIXL */
  680. {"INMIXL", "Record Left Volume", "LOMIX"},
  681. {"INMIXL", "LIN2 Volume", "LIN2"},
  682. {"INMIXL", "LINPGA12 Switch", "LIN12 PGA"},
  683. {"INMIXL", "LINPGA34 Switch", "LIN34 PGA"},
  684. /* AILNMUX */
  685. {"AILNMUX", "INMIXL Mix", "INMIXL"},
  686. {"AILNMUX", "DIFFINL Mix", "LIN12 PGA"},
  687. {"AILNMUX", "DIFFINL Mix", "LIN34 PGA"},
  688. {"AILNMUX", "RXVOICE Mix", "LIN4/RXN"},
  689. {"AILNMUX", "RXVOICE Mix", "RIN4/RXP"},
  690. /* ADC */
  691. {"Left ADC", NULL, "AILNMUX"},
  692. /* RIN12 PGA */
  693. {"RIN12 PGA", "RIN1 Switch", "RIN1"},
  694. {"RIN12 PGA", "RIN2 Switch", "RIN2"},
  695. /* RIN34 PGA */
  696. {"RIN34 PGA", "RIN3 Switch", "RIN3"},
  697. {"RIN34 PGA", "RIN4 Switch", "RIN4/RXP"},
  698. /* INMIXL */
  699. {"INMIXR", "Record Right Volume", "ROMIX"},
  700. {"INMIXR", "RIN2 Volume", "RIN2"},
  701. {"INMIXR", "RINPGA12 Switch", "RIN12 PGA"},
  702. {"INMIXR", "RINPGA34 Switch", "RIN34 PGA"},
  703. /* AIRNMUX */
  704. {"AIRNMUX", "INMIXR Mix", "INMIXR"},
  705. {"AIRNMUX", "DIFFINR Mix", "RIN12 PGA"},
  706. {"AIRNMUX", "DIFFINR Mix", "RIN34 PGA"},
  707. {"AIRNMUX", "RXVOICE Mix", "LIN4/RXN"},
  708. {"AIRNMUX", "RXVOICE Mix", "RIN4/RXP"},
  709. /* ADC */
  710. {"Right ADC", NULL, "AIRNMUX"},
  711. /* LOMIX */
  712. {"LOMIX", "LOMIX RIN3 Bypass Switch", "RIN3"},
  713. {"LOMIX", "LOMIX LIN3 Bypass Switch", "LIN3"},
  714. {"LOMIX", "LOMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
  715. {"LOMIX", "LOMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
  716. {"LOMIX", "LOMIX Right ADC Bypass Switch", "AIRNMUX"},
  717. {"LOMIX", "LOMIX Left ADC Bypass Switch", "AILNMUX"},
  718. {"LOMIX", "LOMIX Left DAC Switch", "Left DAC"},
  719. /* ROMIX */
  720. {"ROMIX", "ROMIX RIN3 Bypass Switch", "RIN3"},
  721. {"ROMIX", "ROMIX LIN3 Bypass Switch", "LIN3"},
  722. {"ROMIX", "ROMIX LIN12 PGA Bypass Switch", "LIN12 PGA"},
  723. {"ROMIX", "ROMIX RIN12 PGA Bypass Switch", "RIN12 PGA"},
  724. {"ROMIX", "ROMIX Right ADC Bypass Switch", "AIRNMUX"},
  725. {"ROMIX", "ROMIX Left ADC Bypass Switch", "AILNMUX"},
  726. {"ROMIX", "ROMIX Right DAC Switch", "Right DAC"},
  727. /* SPKMIX */
  728. {"SPKMIX", "SPKMIX LIN2 Bypass Switch", "LIN2"},
  729. {"SPKMIX", "SPKMIX RIN2 Bypass Switch", "RIN2"},
  730. {"SPKMIX", "SPKMIX LADC Bypass Switch", "AILNMUX"},
  731. {"SPKMIX", "SPKMIX RADC Bypass Switch", "AIRNMUX"},
  732. {"SPKMIX", "SPKMIX Left Mixer PGA Switch", "LOPGA"},
  733. {"SPKMIX", "SPKMIX Right Mixer PGA Switch", "ROPGA"},
  734. {"SPKMIX", "SPKMIX Right DAC Switch", "Right DAC"},
  735. {"SPKMIX", "SPKMIX Left DAC Switch", "Right DAC"},
  736. /* LONMIX */
  737. {"LONMIX", "LONMIX Left Mixer PGA Switch", "LOPGA"},
  738. {"LONMIX", "LONMIX Right Mixer PGA Switch", "ROPGA"},
  739. {"LONMIX", "LONMIX Inverted LOP Switch", "LOPMIX"},
  740. /* LOPMIX */
  741. {"LOPMIX", "LOPMIX Right Mic Bypass Switch", "RIN12 PGA"},
  742. {"LOPMIX", "LOPMIX Left Mic Bypass Switch", "LIN12 PGA"},
  743. {"LOPMIX", "LOPMIX Left Mixer PGA Switch", "LOPGA"},
  744. /* OUT3MIX */
  745. {"OUT3MIX", "OUT3MIX LIN4/RXP Bypass Switch", "LIN4/RXN"},
  746. {"OUT3MIX", "OUT3MIX Left Out PGA Switch", "LOPGA"},
  747. /* OUT4MIX */
  748. {"OUT4MIX", "OUT4MIX Right Out PGA Switch", "ROPGA"},
  749. {"OUT4MIX", "OUT4MIX RIN4/RXP Bypass Switch", "RIN4/RXP"},
  750. /* RONMIX */
  751. {"RONMIX", "RONMIX Right Mixer PGA Switch", "ROPGA"},
  752. {"RONMIX", "RONMIX Left Mixer PGA Switch", "LOPGA"},
  753. {"RONMIX", "RONMIX Inverted ROP Switch", "ROPMIX"},
  754. /* ROPMIX */
  755. {"ROPMIX", "ROPMIX Left Mic Bypass Switch", "LIN12 PGA"},
  756. {"ROPMIX", "ROPMIX Right Mic Bypass Switch", "RIN12 PGA"},
  757. {"ROPMIX", "ROPMIX Right Mixer PGA Switch", "ROPGA"},
  758. /* Out Mixer PGAs */
  759. {"LOPGA", NULL, "LOMIX"},
  760. {"ROPGA", NULL, "ROMIX"},
  761. {"LOUT PGA", NULL, "LOMIX"},
  762. {"ROUT PGA", NULL, "ROMIX"},
  763. /* Output Pins */
  764. {"LON", NULL, "LONMIX"},
  765. {"LOP", NULL, "LOPMIX"},
  766. {"OUT3", NULL, "OUT3MIX"},
  767. {"LOUT", NULL, "LOUT PGA"},
  768. {"SPKN", NULL, "SPKMIX"},
  769. {"ROUT", NULL, "ROUT PGA"},
  770. {"OUT4", NULL, "OUT4MIX"},
  771. {"ROP", NULL, "ROPMIX"},
  772. {"RON", NULL, "RONMIX"},
  773. };
  774. static int wm8400_add_widgets(struct snd_soc_codec *codec)
  775. {
  776. snd_soc_dapm_new_controls(codec, wm8400_dapm_widgets,
  777. ARRAY_SIZE(wm8400_dapm_widgets));
  778. snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
  779. snd_soc_dapm_new_widgets(codec);
  780. return 0;
  781. }
  782. /*
  783. * Clock after FLL and dividers
  784. */
  785. static int wm8400_set_dai_sysclk(struct snd_soc_dai *codec_dai,
  786. int clk_id, unsigned int freq, int dir)
  787. {
  788. struct snd_soc_codec *codec = codec_dai->codec;
  789. struct wm8400_priv *wm8400 = codec->private_data;
  790. wm8400->sysclk = freq;
  791. return 0;
  792. }
  793. struct fll_factors {
  794. u16 n;
  795. u16 k;
  796. u16 outdiv;
  797. u16 fratio;
  798. u16 freq_ref;
  799. };
  800. #define FIXED_FLL_SIZE ((1 << 16) * 10)
  801. static int fll_factors(struct wm8400_priv *wm8400, struct fll_factors *factors,
  802. unsigned int Fref, unsigned int Fout)
  803. {
  804. u64 Kpart;
  805. unsigned int K, Nmod, target;
  806. factors->outdiv = 2;
  807. while (Fout * factors->outdiv < 90000000 ||
  808. Fout * factors->outdiv > 100000000) {
  809. factors->outdiv *= 2;
  810. if (factors->outdiv > 32) {
  811. dev_err(wm8400->wm8400->dev,
  812. "Unsupported FLL output frequency %uHz\n",
  813. Fout);
  814. return -EINVAL;
  815. }
  816. }
  817. target = Fout * factors->outdiv;
  818. factors->outdiv = factors->outdiv >> 2;
  819. if (Fref < 48000)
  820. factors->freq_ref = 1;
  821. else
  822. factors->freq_ref = 0;
  823. if (Fref < 1000000)
  824. factors->fratio = 9;
  825. else
  826. factors->fratio = 0;
  827. /* Ensure we have a fractional part */
  828. do {
  829. if (Fref < 1000000)
  830. factors->fratio--;
  831. else
  832. factors->fratio++;
  833. if (factors->fratio < 1 || factors->fratio > 8) {
  834. dev_err(wm8400->wm8400->dev,
  835. "Unable to calculate FRATIO\n");
  836. return -EINVAL;
  837. }
  838. factors->n = target / (Fref * factors->fratio);
  839. Nmod = target % (Fref * factors->fratio);
  840. } while (Nmod == 0);
  841. /* Calculate fractional part - scale up so we can round. */
  842. Kpart = FIXED_FLL_SIZE * (long long)Nmod;
  843. do_div(Kpart, (Fref * factors->fratio));
  844. K = Kpart & 0xFFFFFFFF;
  845. if ((K % 10) >= 5)
  846. K += 5;
  847. /* Move down to proper range now rounding is done */
  848. factors->k = K / 10;
  849. dev_dbg(wm8400->wm8400->dev,
  850. "FLL: Fref=%u Fout=%u N=%x K=%x, FRATIO=%x OUTDIV=%x\n",
  851. Fref, Fout,
  852. factors->n, factors->k, factors->fratio, factors->outdiv);
  853. return 0;
  854. }
  855. static int wm8400_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
  856. unsigned int freq_in, unsigned int freq_out)
  857. {
  858. struct snd_soc_codec *codec = codec_dai->codec;
  859. struct wm8400_priv *wm8400 = codec->private_data;
  860. struct fll_factors factors;
  861. int ret;
  862. u16 reg;
  863. if (freq_in == wm8400->fll_in && freq_out == wm8400->fll_out)
  864. return 0;
  865. if (freq_out) {
  866. ret = fll_factors(wm8400, &factors, freq_in, freq_out);
  867. if (ret != 0)
  868. return ret;
  869. } else {
  870. /* Bodge GCC 4.4.0 uninitialised variable warning - it
  871. * doesn't seem capable of working out that we exit if
  872. * freq_out is 0 before any of the uses. */
  873. memset(&factors, 0, sizeof(factors));
  874. }
  875. wm8400->fll_out = freq_out;
  876. wm8400->fll_in = freq_in;
  877. /* We *must* disable the FLL before any changes */
  878. reg = wm8400_read(codec, WM8400_POWER_MANAGEMENT_2);
  879. reg &= ~WM8400_FLL_ENA;
  880. wm8400_write(codec, WM8400_POWER_MANAGEMENT_2, reg);
  881. reg = wm8400_read(codec, WM8400_FLL_CONTROL_1);
  882. reg &= ~WM8400_FLL_OSC_ENA;
  883. wm8400_write(codec, WM8400_FLL_CONTROL_1, reg);
  884. if (!freq_out)
  885. return 0;
  886. reg &= ~(WM8400_FLL_REF_FREQ | WM8400_FLL_FRATIO_MASK);
  887. reg |= WM8400_FLL_FRAC | factors.fratio;
  888. reg |= factors.freq_ref << WM8400_FLL_REF_FREQ_SHIFT;
  889. wm8400_write(codec, WM8400_FLL_CONTROL_1, reg);
  890. wm8400_write(codec, WM8400_FLL_CONTROL_2, factors.k);
  891. wm8400_write(codec, WM8400_FLL_CONTROL_3, factors.n);
  892. reg = wm8400_read(codec, WM8400_FLL_CONTROL_4);
  893. reg &= WM8400_FLL_OUTDIV_MASK;
  894. reg |= factors.outdiv;
  895. wm8400_write(codec, WM8400_FLL_CONTROL_4, reg);
  896. return 0;
  897. }
  898. /*
  899. * Sets ADC and Voice DAC format.
  900. */
  901. static int wm8400_set_dai_fmt(struct snd_soc_dai *codec_dai,
  902. unsigned int fmt)
  903. {
  904. struct snd_soc_codec *codec = codec_dai->codec;
  905. u16 audio1, audio3;
  906. audio1 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_1);
  907. audio3 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_3);
  908. /* set master/slave audio interface */
  909. switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
  910. case SND_SOC_DAIFMT_CBS_CFS:
  911. audio3 &= ~WM8400_AIF_MSTR1;
  912. break;
  913. case SND_SOC_DAIFMT_CBM_CFM:
  914. audio3 |= WM8400_AIF_MSTR1;
  915. break;
  916. default:
  917. return -EINVAL;
  918. }
  919. audio1 &= ~WM8400_AIF_FMT_MASK;
  920. /* interface format */
  921. switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
  922. case SND_SOC_DAIFMT_I2S:
  923. audio1 |= WM8400_AIF_FMT_I2S;
  924. audio1 &= ~WM8400_AIF_LRCLK_INV;
  925. break;
  926. case SND_SOC_DAIFMT_RIGHT_J:
  927. audio1 |= WM8400_AIF_FMT_RIGHTJ;
  928. audio1 &= ~WM8400_AIF_LRCLK_INV;
  929. break;
  930. case SND_SOC_DAIFMT_LEFT_J:
  931. audio1 |= WM8400_AIF_FMT_LEFTJ;
  932. audio1 &= ~WM8400_AIF_LRCLK_INV;
  933. break;
  934. case SND_SOC_DAIFMT_DSP_A:
  935. audio1 |= WM8400_AIF_FMT_DSP;
  936. audio1 &= ~WM8400_AIF_LRCLK_INV;
  937. break;
  938. case SND_SOC_DAIFMT_DSP_B:
  939. audio1 |= WM8400_AIF_FMT_DSP | WM8400_AIF_LRCLK_INV;
  940. break;
  941. default:
  942. return -EINVAL;
  943. }
  944. wm8400_write(codec, WM8400_AUDIO_INTERFACE_1, audio1);
  945. wm8400_write(codec, WM8400_AUDIO_INTERFACE_3, audio3);
  946. return 0;
  947. }
  948. static int wm8400_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
  949. int div_id, int div)
  950. {
  951. struct snd_soc_codec *codec = codec_dai->codec;
  952. u16 reg;
  953. switch (div_id) {
  954. case WM8400_MCLK_DIV:
  955. reg = wm8400_read(codec, WM8400_CLOCKING_2) &
  956. ~WM8400_MCLK_DIV_MASK;
  957. wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
  958. break;
  959. case WM8400_DACCLK_DIV:
  960. reg = wm8400_read(codec, WM8400_CLOCKING_2) &
  961. ~WM8400_DAC_CLKDIV_MASK;
  962. wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
  963. break;
  964. case WM8400_ADCCLK_DIV:
  965. reg = wm8400_read(codec, WM8400_CLOCKING_2) &
  966. ~WM8400_ADC_CLKDIV_MASK;
  967. wm8400_write(codec, WM8400_CLOCKING_2, reg | div);
  968. break;
  969. case WM8400_BCLK_DIV:
  970. reg = wm8400_read(codec, WM8400_CLOCKING_1) &
  971. ~WM8400_BCLK_DIV_MASK;
  972. wm8400_write(codec, WM8400_CLOCKING_1, reg | div);
  973. break;
  974. default:
  975. return -EINVAL;
  976. }
  977. return 0;
  978. }
  979. /*
  980. * Set PCM DAI bit size and sample rate.
  981. */
  982. static int wm8400_hw_params(struct snd_pcm_substream *substream,
  983. struct snd_pcm_hw_params *params,
  984. struct snd_soc_dai *dai)
  985. {
  986. struct snd_soc_pcm_runtime *rtd = substream->private_data;
  987. struct snd_soc_device *socdev = rtd->socdev;
  988. struct snd_soc_codec *codec = socdev->card->codec;
  989. u16 audio1 = wm8400_read(codec, WM8400_AUDIO_INTERFACE_1);
  990. audio1 &= ~WM8400_AIF_WL_MASK;
  991. /* bit size */
  992. switch (params_format(params)) {
  993. case SNDRV_PCM_FORMAT_S16_LE:
  994. break;
  995. case SNDRV_PCM_FORMAT_S20_3LE:
  996. audio1 |= WM8400_AIF_WL_20BITS;
  997. break;
  998. case SNDRV_PCM_FORMAT_S24_LE:
  999. audio1 |= WM8400_AIF_WL_24BITS;
  1000. break;
  1001. case SNDRV_PCM_FORMAT_S32_LE:
  1002. audio1 |= WM8400_AIF_WL_32BITS;
  1003. break;
  1004. }
  1005. wm8400_write(codec, WM8400_AUDIO_INTERFACE_1, audio1);
  1006. return 0;
  1007. }
  1008. static int wm8400_mute(struct snd_soc_dai *dai, int mute)
  1009. {
  1010. struct snd_soc_codec *codec = dai->codec;
  1011. u16 val = wm8400_read(codec, WM8400_DAC_CTRL) & ~WM8400_DAC_MUTE;
  1012. if (mute)
  1013. wm8400_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
  1014. else
  1015. wm8400_write(codec, WM8400_DAC_CTRL, val);
  1016. return 0;
  1017. }
  1018. /* TODO: set bias for best performance at standby */
  1019. static int wm8400_set_bias_level(struct snd_soc_codec *codec,
  1020. enum snd_soc_bias_level level)
  1021. {
  1022. struct wm8400_priv *wm8400 = codec->private_data;
  1023. u16 val;
  1024. int ret;
  1025. switch (level) {
  1026. case SND_SOC_BIAS_ON:
  1027. break;
  1028. case SND_SOC_BIAS_PREPARE:
  1029. /* VMID=2*50k */
  1030. val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1) &
  1031. ~WM8400_VMID_MODE_MASK;
  1032. wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x2);
  1033. break;
  1034. case SND_SOC_BIAS_STANDBY:
  1035. if (codec->bias_level == SND_SOC_BIAS_OFF) {
  1036. ret = regulator_bulk_enable(ARRAY_SIZE(power),
  1037. &power[0]);
  1038. if (ret != 0) {
  1039. dev_err(wm8400->wm8400->dev,
  1040. "Failed to enable regulators: %d\n",
  1041. ret);
  1042. return ret;
  1043. }
  1044. wm8400_write(codec, WM8400_POWER_MANAGEMENT_1,
  1045. WM8400_CODEC_ENA | WM8400_SYSCLK_ENA);
  1046. /* Enable POBCTRL, SOFT_ST, VMIDTOG and BUFDCOPEN */
  1047. wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
  1048. WM8400_BUFDCOPEN | WM8400_POBCTRL);
  1049. msleep(50);
  1050. /* Enable VREF & VMID at 2x50k */
  1051. val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
  1052. val |= 0x2 | WM8400_VREF_ENA;
  1053. wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
  1054. /* Enable BUFIOEN */
  1055. wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
  1056. WM8400_BUFDCOPEN | WM8400_POBCTRL |
  1057. WM8400_BUFIOEN);
  1058. /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
  1059. wm8400_write(codec, WM8400_ANTIPOP2, WM8400_BUFIOEN);
  1060. }
  1061. /* VMID=2*300k */
  1062. val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1) &
  1063. ~WM8400_VMID_MODE_MASK;
  1064. wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val | 0x4);
  1065. break;
  1066. case SND_SOC_BIAS_OFF:
  1067. /* Enable POBCTRL and SOFT_ST */
  1068. wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
  1069. WM8400_POBCTRL | WM8400_BUFIOEN);
  1070. /* Enable POBCTRL, SOFT_ST and BUFDCOPEN */
  1071. wm8400_write(codec, WM8400_ANTIPOP2, WM8400_SOFTST |
  1072. WM8400_BUFDCOPEN | WM8400_POBCTRL |
  1073. WM8400_BUFIOEN);
  1074. /* mute DAC */
  1075. val = wm8400_read(codec, WM8400_DAC_CTRL);
  1076. wm8400_write(codec, WM8400_DAC_CTRL, val | WM8400_DAC_MUTE);
  1077. /* Enable any disabled outputs */
  1078. val = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
  1079. val |= WM8400_SPK_ENA | WM8400_OUT3_ENA |
  1080. WM8400_OUT4_ENA | WM8400_LOUT_ENA |
  1081. WM8400_ROUT_ENA;
  1082. wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
  1083. /* Disable VMID */
  1084. val &= ~WM8400_VMID_MODE_MASK;
  1085. wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
  1086. msleep(300);
  1087. /* Enable all output discharge bits */
  1088. wm8400_write(codec, WM8400_ANTIPOP1, WM8400_DIS_LLINE |
  1089. WM8400_DIS_RLINE | WM8400_DIS_OUT3 |
  1090. WM8400_DIS_OUT4 | WM8400_DIS_LOUT |
  1091. WM8400_DIS_ROUT);
  1092. /* Disable VREF */
  1093. val &= ~WM8400_VREF_ENA;
  1094. wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, val);
  1095. /* disable POBCTRL, SOFT_ST and BUFDCOPEN */
  1096. wm8400_write(codec, WM8400_ANTIPOP2, 0x0);
  1097. ret = regulator_bulk_disable(ARRAY_SIZE(power),
  1098. &power[0]);
  1099. if (ret != 0)
  1100. return ret;
  1101. break;
  1102. }
  1103. codec->bias_level = level;
  1104. return 0;
  1105. }
  1106. #define WM8400_RATES SNDRV_PCM_RATE_8000_96000
  1107. #define WM8400_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
  1108. SNDRV_PCM_FMTBIT_S24_LE)
  1109. static struct snd_soc_dai_ops wm8400_dai_ops = {
  1110. .hw_params = wm8400_hw_params,
  1111. .digital_mute = wm8400_mute,
  1112. .set_fmt = wm8400_set_dai_fmt,
  1113. .set_clkdiv = wm8400_set_dai_clkdiv,
  1114. .set_sysclk = wm8400_set_dai_sysclk,
  1115. .set_pll = wm8400_set_dai_pll,
  1116. };
  1117. /*
  1118. * The WM8400 supports 2 different and mutually exclusive DAI
  1119. * configurations.
  1120. *
  1121. * 1. ADC/DAC on Primary Interface
  1122. * 2. ADC on Primary Interface/DAC on secondary
  1123. */
  1124. struct snd_soc_dai wm8400_dai = {
  1125. /* ADC/DAC on primary */
  1126. .name = "WM8400 ADC/DAC Primary",
  1127. .id = 1,
  1128. .playback = {
  1129. .stream_name = "Playback",
  1130. .channels_min = 1,
  1131. .channels_max = 2,
  1132. .rates = WM8400_RATES,
  1133. .formats = WM8400_FORMATS,
  1134. },
  1135. .capture = {
  1136. .stream_name = "Capture",
  1137. .channels_min = 1,
  1138. .channels_max = 2,
  1139. .rates = WM8400_RATES,
  1140. .formats = WM8400_FORMATS,
  1141. },
  1142. .ops = &wm8400_dai_ops,
  1143. };
  1144. EXPORT_SYMBOL_GPL(wm8400_dai);
  1145. static int wm8400_suspend(struct platform_device *pdev, pm_message_t state)
  1146. {
  1147. struct snd_soc_device *socdev = platform_get_drvdata(pdev);
  1148. struct snd_soc_codec *codec = socdev->card->codec;
  1149. wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF);
  1150. return 0;
  1151. }
  1152. static int wm8400_resume(struct platform_device *pdev)
  1153. {
  1154. struct snd_soc_device *socdev = platform_get_drvdata(pdev);
  1155. struct snd_soc_codec *codec = socdev->card->codec;
  1156. wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
  1157. return 0;
  1158. }
  1159. static struct snd_soc_codec *wm8400_codec;
  1160. static int wm8400_probe(struct platform_device *pdev)
  1161. {
  1162. struct snd_soc_device *socdev = platform_get_drvdata(pdev);
  1163. struct snd_soc_codec *codec;
  1164. int ret;
  1165. if (!wm8400_codec) {
  1166. dev_err(&pdev->dev, "wm8400 not yet discovered\n");
  1167. return -ENODEV;
  1168. }
  1169. codec = wm8400_codec;
  1170. socdev->card->codec = codec;
  1171. /* register pcms */
  1172. ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
  1173. if (ret < 0) {
  1174. dev_err(&pdev->dev, "failed to create pcms\n");
  1175. goto pcm_err;
  1176. }
  1177. wm8400_add_controls(codec);
  1178. wm8400_add_widgets(codec);
  1179. ret = snd_soc_init_card(socdev);
  1180. if (ret < 0) {
  1181. dev_err(&pdev->dev, "failed to register card\n");
  1182. goto card_err;
  1183. }
  1184. return ret;
  1185. card_err:
  1186. snd_soc_free_pcms(socdev);
  1187. snd_soc_dapm_free(socdev);
  1188. pcm_err:
  1189. return ret;
  1190. }
  1191. /* power down chip */
  1192. static int wm8400_remove(struct platform_device *pdev)
  1193. {
  1194. struct snd_soc_device *socdev = platform_get_drvdata(pdev);
  1195. snd_soc_free_pcms(socdev);
  1196. snd_soc_dapm_free(socdev);
  1197. return 0;
  1198. }
  1199. struct snd_soc_codec_device soc_codec_dev_wm8400 = {
  1200. .probe = wm8400_probe,
  1201. .remove = wm8400_remove,
  1202. .suspend = wm8400_suspend,
  1203. .resume = wm8400_resume,
  1204. };
  1205. static void wm8400_probe_deferred(struct work_struct *work)
  1206. {
  1207. struct wm8400_priv *priv = container_of(work, struct wm8400_priv,
  1208. work);
  1209. struct snd_soc_codec *codec = &priv->codec;
  1210. int ret;
  1211. /* charge output caps */
  1212. wm8400_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
  1213. /* We're done, tell the subsystem. */
  1214. ret = snd_soc_register_codec(codec);
  1215. if (ret != 0) {
  1216. dev_err(priv->wm8400->dev,
  1217. "Failed to register codec: %d\n", ret);
  1218. goto err;
  1219. }
  1220. ret = snd_soc_register_dai(&wm8400_dai);
  1221. if (ret != 0) {
  1222. dev_err(priv->wm8400->dev,
  1223. "Failed to register DAI: %d\n", ret);
  1224. goto err_codec;
  1225. }
  1226. return;
  1227. err_codec:
  1228. snd_soc_unregister_codec(codec);
  1229. err:
  1230. wm8400_set_bias_level(codec, SND_SOC_BIAS_OFF);
  1231. }
  1232. static int wm8400_codec_probe(struct platform_device *dev)
  1233. {
  1234. struct wm8400_priv *priv;
  1235. int ret;
  1236. u16 reg;
  1237. struct snd_soc_codec *codec;
  1238. priv = kzalloc(sizeof(struct wm8400_priv), GFP_KERNEL);
  1239. if (priv == NULL)
  1240. return -ENOMEM;
  1241. codec = &priv->codec;
  1242. codec->private_data = priv;
  1243. codec->control_data = dev_get_drvdata(&dev->dev);
  1244. priv->wm8400 = dev_get_drvdata(&dev->dev);
  1245. ret = regulator_bulk_get(priv->wm8400->dev,
  1246. ARRAY_SIZE(power), &power[0]);
  1247. if (ret != 0) {
  1248. dev_err(&dev->dev, "Failed to get regulators: %d\n", ret);
  1249. goto err;
  1250. }
  1251. codec->dev = &dev->dev;
  1252. wm8400_dai.dev = &dev->dev;
  1253. codec->name = "WM8400";
  1254. codec->owner = THIS_MODULE;
  1255. codec->read = wm8400_read;
  1256. codec->write = wm8400_write;
  1257. codec->bias_level = SND_SOC_BIAS_OFF;
  1258. codec->set_bias_level = wm8400_set_bias_level;
  1259. codec->dai = &wm8400_dai;
  1260. codec->num_dai = 1;
  1261. codec->reg_cache_size = WM8400_REGISTER_COUNT;
  1262. mutex_init(&codec->mutex);
  1263. INIT_LIST_HEAD(&codec->dapm_widgets);
  1264. INIT_LIST_HEAD(&codec->dapm_paths);
  1265. INIT_WORK(&priv->work, wm8400_probe_deferred);
  1266. wm8400_codec_reset(codec);
  1267. reg = wm8400_read(codec, WM8400_POWER_MANAGEMENT_1);
  1268. wm8400_write(codec, WM8400_POWER_MANAGEMENT_1, reg | WM8400_CODEC_ENA);
  1269. /* Latch volume update bits */
  1270. reg = wm8400_read(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME);
  1271. wm8400_write(codec, WM8400_LEFT_LINE_INPUT_1_2_VOLUME,
  1272. reg & WM8400_IPVU);
  1273. reg = wm8400_read(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME);
  1274. wm8400_write(codec, WM8400_RIGHT_LINE_INPUT_1_2_VOLUME,
  1275. reg & WM8400_IPVU);
  1276. wm8400_write(codec, WM8400_LEFT_OUTPUT_VOLUME, 0x50 | (1<<8));
  1277. wm8400_write(codec, WM8400_RIGHT_OUTPUT_VOLUME, 0x50 | (1<<8));
  1278. wm8400_codec = codec;
  1279. if (!schedule_work(&priv->work)) {
  1280. ret = -EINVAL;
  1281. goto err_regulator;
  1282. }
  1283. return 0;
  1284. err_regulator:
  1285. wm8400_codec = NULL;
  1286. regulator_bulk_free(ARRAY_SIZE(power), power);
  1287. err:
  1288. kfree(priv);
  1289. return ret;
  1290. }
  1291. static int __exit wm8400_codec_remove(struct platform_device *dev)
  1292. {
  1293. struct wm8400_priv *priv = wm8400_codec->private_data;
  1294. u16 reg;
  1295. snd_soc_unregister_dai(&wm8400_dai);
  1296. snd_soc_unregister_codec(wm8400_codec);
  1297. reg = wm8400_read(wm8400_codec, WM8400_POWER_MANAGEMENT_1);
  1298. wm8400_write(wm8400_codec, WM8400_POWER_MANAGEMENT_1,
  1299. reg & (~WM8400_CODEC_ENA));
  1300. regulator_bulk_free(ARRAY_SIZE(power), power);
  1301. kfree(priv);
  1302. wm8400_codec = NULL;
  1303. return 0;
  1304. }
  1305. #ifdef CONFIG_PM
  1306. static int wm8400_pdev_suspend(struct platform_device *pdev, pm_message_t msg)
  1307. {
  1308. return snd_soc_suspend_device(&pdev->dev);
  1309. }
  1310. static int wm8400_pdev_resume(struct platform_device *pdev)
  1311. {
  1312. return snd_soc_resume_device(&pdev->dev);
  1313. }
  1314. #else
  1315. #define wm8400_pdev_suspend NULL
  1316. #define wm8400_pdev_resume NULL
  1317. #endif
  1318. static struct platform_driver wm8400_codec_driver = {
  1319. .driver = {
  1320. .name = "wm8400-codec",
  1321. .owner = THIS_MODULE,
  1322. },
  1323. .probe = wm8400_codec_probe,
  1324. .remove = __exit_p(wm8400_codec_remove),
  1325. .suspend = wm8400_pdev_suspend,
  1326. .resume = wm8400_pdev_resume,
  1327. };
  1328. static int __init wm8400_codec_init(void)
  1329. {
  1330. return platform_driver_register(&wm8400_codec_driver);
  1331. }
  1332. module_init(wm8400_codec_init);
  1333. static void __exit wm8400_codec_exit(void)
  1334. {
  1335. platform_driver_unregister(&wm8400_codec_driver);
  1336. }
  1337. module_exit(wm8400_codec_exit);
  1338. EXPORT_SYMBOL_GPL(soc_codec_dev_wm8400);
  1339. MODULE_DESCRIPTION("ASoC WM8400 driver");
  1340. MODULE_AUTHOR("Mark Brown");
  1341. MODULE_LICENSE("GPL");
  1342. MODULE_ALIAS("platform:wm8400-codec");