adau1781.c 15 KB

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  1. // SPDX-License-Identifier: GPL-2.0-or-later
  2. /*
  3. * Driver for ADAU1381/ADAU1781 codec
  4. *
  5. * Copyright 2011-2013 Analog Devices Inc.
  6. * Author: Lars-Peter Clausen <lars@metafoo.de>
  7. */
  8. #include <linux/module.h>
  9. #include <linux/init.h>
  10. #include <linux/i2c.h>
  11. #include <linux/spi/spi.h>
  12. #include <linux/slab.h>
  13. #include <sound/core.h>
  14. #include <sound/pcm.h>
  15. #include <sound/pcm_params.h>
  16. #include <sound/soc.h>
  17. #include <sound/tlv.h>
  18. #include <linux/platform_data/adau17x1.h>
  19. #include "adau17x1.h"
  20. #include "adau1781.h"
  21. #define ADAU1781_DMIC_BEEP_CTRL 0x4008
  22. #define ADAU1781_LEFT_PGA 0x400e
  23. #define ADAU1781_RIGHT_PGA 0x400f
  24. #define ADAU1781_LEFT_PLAYBACK_MIXER 0x401c
  25. #define ADAU1781_RIGHT_PLAYBACK_MIXER 0x401e
  26. #define ADAU1781_MONO_PLAYBACK_MIXER 0x401f
  27. #define ADAU1781_LEFT_LINEOUT 0x4025
  28. #define ADAU1781_RIGHT_LINEOUT 0x4026
  29. #define ADAU1781_SPEAKER 0x4027
  30. #define ADAU1781_BEEP_ZC 0x4028
  31. #define ADAU1781_DEJITTER 0x4032
  32. #define ADAU1781_DIG_PWDN0 0x4080
  33. #define ADAU1781_DIG_PWDN1 0x4081
  34. #define ADAU1781_INPUT_DIFFERNTIAL BIT(3)
  35. #define ADAU1381_FIRMWARE "adau1381.bin"
  36. #define ADAU1781_FIRMWARE "adau1781.bin"
  37. static const struct reg_default adau1781_reg_defaults[] = {
  38. { ADAU1781_DMIC_BEEP_CTRL, 0x00 },
  39. { ADAU1781_LEFT_PGA, 0xc7 },
  40. { ADAU1781_RIGHT_PGA, 0xc7 },
  41. { ADAU1781_LEFT_PLAYBACK_MIXER, 0x00 },
  42. { ADAU1781_RIGHT_PLAYBACK_MIXER, 0x00 },
  43. { ADAU1781_MONO_PLAYBACK_MIXER, 0x00 },
  44. { ADAU1781_LEFT_LINEOUT, 0x00 },
  45. { ADAU1781_RIGHT_LINEOUT, 0x00 },
  46. { ADAU1781_SPEAKER, 0x00 },
  47. { ADAU1781_BEEP_ZC, 0x19 },
  48. { ADAU1781_DEJITTER, 0x60 },
  49. { ADAU1781_DIG_PWDN1, 0x0c },
  50. { ADAU1781_DIG_PWDN1, 0x00 },
  51. { ADAU17X1_CLOCK_CONTROL, 0x00 },
  52. { ADAU17X1_PLL_CONTROL, 0x00 },
  53. { ADAU17X1_REC_POWER_MGMT, 0x00 },
  54. { ADAU17X1_MICBIAS, 0x04 },
  55. { ADAU17X1_SERIAL_PORT0, 0x00 },
  56. { ADAU17X1_SERIAL_PORT1, 0x00 },
  57. { ADAU17X1_CONVERTER0, 0x00 },
  58. { ADAU17X1_CONVERTER1, 0x00 },
  59. { ADAU17X1_LEFT_INPUT_DIGITAL_VOL, 0x00 },
  60. { ADAU17X1_RIGHT_INPUT_DIGITAL_VOL, 0x00 },
  61. { ADAU17X1_ADC_CONTROL, 0x00 },
  62. { ADAU17X1_PLAY_POWER_MGMT, 0x00 },
  63. { ADAU17X1_DAC_CONTROL0, 0x00 },
  64. { ADAU17X1_DAC_CONTROL1, 0x00 },
  65. { ADAU17X1_DAC_CONTROL2, 0x00 },
  66. { ADAU17X1_SERIAL_PORT_PAD, 0x00 },
  67. { ADAU17X1_CONTROL_PORT_PAD0, 0x00 },
  68. { ADAU17X1_CONTROL_PORT_PAD1, 0x00 },
  69. { ADAU17X1_DSP_SAMPLING_RATE, 0x01 },
  70. { ADAU17X1_SERIAL_INPUT_ROUTE, 0x00 },
  71. { ADAU17X1_SERIAL_OUTPUT_ROUTE, 0x00 },
  72. { ADAU17X1_DSP_ENABLE, 0x00 },
  73. { ADAU17X1_DSP_RUN, 0x00 },
  74. { ADAU17X1_SERIAL_SAMPLING_RATE, 0x00 },
  75. };
  76. static const DECLARE_TLV_DB_SCALE(adau1781_speaker_tlv, 0, 200, 0);
  77. static const DECLARE_TLV_DB_RANGE(adau1781_pga_tlv,
  78. 0, 1, TLV_DB_SCALE_ITEM(0, 600, 0),
  79. 2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0),
  80. 4, 4, TLV_DB_SCALE_ITEM(1700, 0, 0),
  81. 5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0)
  82. );
  83. static const DECLARE_TLV_DB_RANGE(adau1781_beep_tlv,
  84. 0, 1, TLV_DB_SCALE_ITEM(0, 600, 0),
  85. 2, 3, TLV_DB_SCALE_ITEM(1000, 400, 0),
  86. 4, 4, TLV_DB_SCALE_ITEM(-2300, 0, 0),
  87. 5, 7, TLV_DB_SCALE_ITEM(2000, 600, 0)
  88. );
  89. static const DECLARE_TLV_DB_SCALE(adau1781_sidetone_tlv, -1800, 300, 1);
  90. static const char * const adau1781_speaker_bias_select_text[] = {
  91. "Normal operation", "Power saving", "Enhanced performance",
  92. };
  93. static const char * const adau1781_bias_select_text[] = {
  94. "Normal operation", "Extreme power saving", "Power saving",
  95. "Enhanced performance",
  96. };
  97. static SOC_ENUM_SINGLE_DECL(adau1781_adc_bias_enum,
  98. ADAU17X1_REC_POWER_MGMT, 3, adau1781_bias_select_text);
  99. static SOC_ENUM_SINGLE_DECL(adau1781_speaker_bias_enum,
  100. ADAU17X1_PLAY_POWER_MGMT, 6, adau1781_speaker_bias_select_text);
  101. static SOC_ENUM_SINGLE_DECL(adau1781_dac_bias_enum,
  102. ADAU17X1_PLAY_POWER_MGMT, 4, adau1781_bias_select_text);
  103. static SOC_ENUM_SINGLE_DECL(adau1781_playback_bias_enum,
  104. ADAU17X1_PLAY_POWER_MGMT, 2, adau1781_bias_select_text);
  105. static SOC_ENUM_SINGLE_DECL(adau1781_capture_bias_enum,
  106. ADAU17X1_REC_POWER_MGMT, 1, adau1781_bias_select_text);
  107. static const struct snd_kcontrol_new adau1781_controls[] = {
  108. SOC_SINGLE_TLV("Beep Capture Volume", ADAU1781_DMIC_BEEP_CTRL, 0, 7, 0,
  109. adau1781_beep_tlv),
  110. SOC_DOUBLE_R_TLV("PGA Capture Volume", ADAU1781_LEFT_PGA,
  111. ADAU1781_RIGHT_PGA, 5, 7, 0, adau1781_pga_tlv),
  112. SOC_DOUBLE_R("PGA Capture Switch", ADAU1781_LEFT_PGA,
  113. ADAU1781_RIGHT_PGA, 1, 1, 0),
  114. SOC_DOUBLE_R("Lineout Playback Switch", ADAU1781_LEFT_LINEOUT,
  115. ADAU1781_RIGHT_LINEOUT, 1, 1, 0),
  116. SOC_SINGLE("Beep ZC Switch", ADAU1781_BEEP_ZC, 0, 1, 0),
  117. SOC_SINGLE("Mono Playback Switch", ADAU1781_MONO_PLAYBACK_MIXER,
  118. 0, 1, 0),
  119. SOC_SINGLE_TLV("Mono Playback Volume", ADAU1781_SPEAKER, 6, 3, 0,
  120. adau1781_speaker_tlv),
  121. SOC_ENUM("ADC Bias", adau1781_adc_bias_enum),
  122. SOC_ENUM("DAC Bias", adau1781_dac_bias_enum),
  123. SOC_ENUM("Capture Bias", adau1781_capture_bias_enum),
  124. SOC_ENUM("Playback Bias", adau1781_playback_bias_enum),
  125. SOC_ENUM("Speaker Bias", adau1781_speaker_bias_enum),
  126. };
  127. static const struct snd_kcontrol_new adau1781_beep_mixer_controls[] = {
  128. SOC_DAPM_SINGLE("Beep Capture Switch", ADAU1781_DMIC_BEEP_CTRL,
  129. 3, 1, 0),
  130. };
  131. static const struct snd_kcontrol_new adau1781_left_mixer_controls[] = {
  132. SOC_DAPM_SINGLE_AUTODISABLE("Switch",
  133. ADAU1781_LEFT_PLAYBACK_MIXER, 5, 1, 0),
  134. SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
  135. ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv),
  136. };
  137. static const struct snd_kcontrol_new adau1781_right_mixer_controls[] = {
  138. SOC_DAPM_SINGLE_AUTODISABLE("Switch",
  139. ADAU1781_RIGHT_PLAYBACK_MIXER, 6, 1, 0),
  140. SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
  141. ADAU1781_LEFT_PLAYBACK_MIXER, 1, 8, 0, adau1781_sidetone_tlv),
  142. };
  143. static const struct snd_kcontrol_new adau1781_mono_mixer_controls[] = {
  144. SOC_DAPM_SINGLE_AUTODISABLE("Left Switch",
  145. ADAU1781_MONO_PLAYBACK_MIXER, 7, 1, 0),
  146. SOC_DAPM_SINGLE_AUTODISABLE("Right Switch",
  147. ADAU1781_MONO_PLAYBACK_MIXER, 6, 1, 0),
  148. SOC_DAPM_SINGLE_TLV("Beep Playback Volume",
  149. ADAU1781_MONO_PLAYBACK_MIXER, 2, 8, 0, adau1781_sidetone_tlv),
  150. };
  151. static int adau1781_dejitter_fixup(struct snd_soc_dapm_widget *w,
  152. struct snd_kcontrol *kcontrol, int event)
  153. {
  154. struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
  155. struct adau *adau = snd_soc_component_get_drvdata(component);
  156. /* After any power changes have been made the dejitter circuit
  157. * has to be reinitialized. */
  158. regmap_write(adau->regmap, ADAU1781_DEJITTER, 0);
  159. if (!adau->master)
  160. regmap_write(adau->regmap, ADAU1781_DEJITTER, 5);
  161. return 0;
  162. }
  163. static const struct snd_soc_dapm_widget adau1781_dapm_widgets[] = {
  164. SND_SOC_DAPM_PGA("Left PGA", ADAU1781_LEFT_PGA, 0, 0, NULL, 0),
  165. SND_SOC_DAPM_PGA("Right PGA", ADAU1781_RIGHT_PGA, 0, 0, NULL, 0),
  166. SND_SOC_DAPM_OUT_DRV("Speaker", ADAU1781_SPEAKER, 0, 0, NULL, 0),
  167. SOC_MIXER_NAMED_CTL_ARRAY("Beep Mixer", ADAU17X1_MICBIAS, 4, 0,
  168. adau1781_beep_mixer_controls),
  169. SOC_MIXER_ARRAY("Left Lineout Mixer", SND_SOC_NOPM, 0, 0,
  170. adau1781_left_mixer_controls),
  171. SOC_MIXER_ARRAY("Right Lineout Mixer", SND_SOC_NOPM, 0, 0,
  172. adau1781_right_mixer_controls),
  173. SOC_MIXER_ARRAY("Mono Mixer", SND_SOC_NOPM, 0, 0,
  174. adau1781_mono_mixer_controls),
  175. SND_SOC_DAPM_SUPPLY("Serial Input Routing", ADAU1781_DIG_PWDN0,
  176. 2, 0, NULL, 0),
  177. SND_SOC_DAPM_SUPPLY("Serial Output Routing", ADAU1781_DIG_PWDN0,
  178. 3, 0, NULL, 0),
  179. SND_SOC_DAPM_SUPPLY("Clock Domain Transfer", ADAU1781_DIG_PWDN0,
  180. 5, 0, NULL, 0),
  181. SND_SOC_DAPM_SUPPLY("Serial Ports", ADAU1781_DIG_PWDN0, 4, 0, NULL, 0),
  182. SND_SOC_DAPM_SUPPLY("ADC Engine", ADAU1781_DIG_PWDN0, 7, 0, NULL, 0),
  183. SND_SOC_DAPM_SUPPLY("DAC Engine", ADAU1781_DIG_PWDN1, 0, 0, NULL, 0),
  184. SND_SOC_DAPM_SUPPLY("Digital Mic", ADAU1781_DIG_PWDN1, 1, 0, NULL, 0),
  185. SND_SOC_DAPM_SUPPLY("Sound Engine", ADAU1781_DIG_PWDN0, 0, 0, NULL, 0),
  186. SND_SOC_DAPM_SUPPLY_S("SYSCLK", 1, ADAU1781_DIG_PWDN0, 1, 0, NULL, 0),
  187. SND_SOC_DAPM_SUPPLY("Zero Crossing Detector", ADAU1781_DIG_PWDN1, 2, 0,
  188. NULL, 0),
  189. SND_SOC_DAPM_POST("Dejitter fixup", adau1781_dejitter_fixup),
  190. SND_SOC_DAPM_INPUT("BEEP"),
  191. SND_SOC_DAPM_OUTPUT("AOUTL"),
  192. SND_SOC_DAPM_OUTPUT("AOUTR"),
  193. SND_SOC_DAPM_OUTPUT("SP"),
  194. SND_SOC_DAPM_INPUT("LMIC"),
  195. SND_SOC_DAPM_INPUT("RMIC"),
  196. };
  197. static const struct snd_soc_dapm_route adau1781_dapm_routes[] = {
  198. { "Left Lineout Mixer", NULL, "Left Playback Enable" },
  199. { "Right Lineout Mixer", NULL, "Right Playback Enable" },
  200. { "Left Lineout Mixer", "Beep Playback Volume", "Beep Mixer" },
  201. { "Left Lineout Mixer", "Switch", "Left DAC" },
  202. { "Right Lineout Mixer", "Beep Playback Volume", "Beep Mixer" },
  203. { "Right Lineout Mixer", "Switch", "Right DAC" },
  204. { "Mono Mixer", "Beep Playback Volume", "Beep Mixer" },
  205. { "Mono Mixer", "Right Switch", "Right DAC" },
  206. { "Mono Mixer", "Left Switch", "Left DAC" },
  207. { "Speaker", NULL, "Mono Mixer" },
  208. { "Mono Mixer", NULL, "SYSCLK" },
  209. { "Left Lineout Mixer", NULL, "SYSCLK" },
  210. { "Left Lineout Mixer", NULL, "SYSCLK" },
  211. { "Beep Mixer", "Beep Capture Switch", "BEEP" },
  212. { "Beep Mixer", NULL, "Zero Crossing Detector" },
  213. { "Left DAC", NULL, "DAC Engine" },
  214. { "Right DAC", NULL, "DAC Engine" },
  215. { "Sound Engine", NULL, "SYSCLK" },
  216. { "DSP", NULL, "Sound Engine" },
  217. { "Left Decimator", NULL, "ADC Engine" },
  218. { "Right Decimator", NULL, "ADC Engine" },
  219. { "AIFCLK", NULL, "SYSCLK" },
  220. { "Playback", NULL, "Serial Input Routing" },
  221. { "Playback", NULL, "Serial Ports" },
  222. { "Playback", NULL, "Clock Domain Transfer" },
  223. { "Capture", NULL, "Serial Output Routing" },
  224. { "Capture", NULL, "Serial Ports" },
  225. { "Capture", NULL, "Clock Domain Transfer" },
  226. { "AOUTL", NULL, "Left Lineout Mixer" },
  227. { "AOUTR", NULL, "Right Lineout Mixer" },
  228. { "SP", NULL, "Speaker" },
  229. };
  230. static const struct snd_soc_dapm_route adau1781_adc_dapm_routes[] = {
  231. { "Left PGA", NULL, "LMIC" },
  232. { "Right PGA", NULL, "RMIC" },
  233. { "Left Decimator", NULL, "Left PGA" },
  234. { "Right Decimator", NULL, "Right PGA" },
  235. };
  236. static const char * const adau1781_dmic_select_text[] = {
  237. "DMIC1", "DMIC2",
  238. };
  239. static SOC_ENUM_SINGLE_VIRT_DECL(adau1781_dmic_select_enum,
  240. adau1781_dmic_select_text);
  241. static const struct snd_kcontrol_new adau1781_dmic_mux =
  242. SOC_DAPM_ENUM("DMIC Select", adau1781_dmic_select_enum);
  243. static const struct snd_soc_dapm_widget adau1781_dmic_dapm_widgets[] = {
  244. SND_SOC_DAPM_MUX("DMIC Select", SND_SOC_NOPM, 0, 0, &adau1781_dmic_mux),
  245. SND_SOC_DAPM_ADC("DMIC1", NULL, ADAU1781_DMIC_BEEP_CTRL, 4, 0),
  246. SND_SOC_DAPM_ADC("DMIC2", NULL, ADAU1781_DMIC_BEEP_CTRL, 5, 0),
  247. };
  248. static const struct snd_soc_dapm_route adau1781_dmic_dapm_routes[] = {
  249. { "DMIC1", NULL, "LMIC" },
  250. { "DMIC2", NULL, "RMIC" },
  251. { "DMIC1", NULL, "Digital Mic" },
  252. { "DMIC2", NULL, "Digital Mic" },
  253. { "DMIC Select", "DMIC1", "DMIC1" },
  254. { "DMIC Select", "DMIC2", "DMIC2" },
  255. { "Left Decimator", NULL, "DMIC Select" },
  256. { "Right Decimator", NULL, "DMIC Select" },
  257. };
  258. static int adau1781_set_bias_level(struct snd_soc_component *component,
  259. enum snd_soc_bias_level level)
  260. {
  261. struct adau *adau = snd_soc_component_get_drvdata(component);
  262. switch (level) {
  263. case SND_SOC_BIAS_ON:
  264. break;
  265. case SND_SOC_BIAS_PREPARE:
  266. break;
  267. case SND_SOC_BIAS_STANDBY:
  268. regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
  269. ADAU17X1_CLOCK_CONTROL_SYSCLK_EN,
  270. ADAU17X1_CLOCK_CONTROL_SYSCLK_EN);
  271. /* Precharge */
  272. regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0x8, 0x8);
  273. break;
  274. case SND_SOC_BIAS_OFF:
  275. regmap_update_bits(adau->regmap, ADAU1781_DIG_PWDN1, 0xc, 0x0);
  276. regmap_update_bits(adau->regmap, ADAU17X1_CLOCK_CONTROL,
  277. ADAU17X1_CLOCK_CONTROL_SYSCLK_EN, 0);
  278. break;
  279. }
  280. return 0;
  281. }
  282. static bool adau1781_readable_register(struct device *dev, unsigned int reg)
  283. {
  284. switch (reg) {
  285. case ADAU1781_DMIC_BEEP_CTRL:
  286. case ADAU1781_LEFT_PGA:
  287. case ADAU1781_RIGHT_PGA:
  288. case ADAU1781_LEFT_PLAYBACK_MIXER:
  289. case ADAU1781_RIGHT_PLAYBACK_MIXER:
  290. case ADAU1781_MONO_PLAYBACK_MIXER:
  291. case ADAU1781_LEFT_LINEOUT:
  292. case ADAU1781_RIGHT_LINEOUT:
  293. case ADAU1781_SPEAKER:
  294. case ADAU1781_BEEP_ZC:
  295. case ADAU1781_DEJITTER:
  296. case ADAU1781_DIG_PWDN0:
  297. case ADAU1781_DIG_PWDN1:
  298. return true;
  299. default:
  300. break;
  301. }
  302. return adau17x1_readable_register(dev, reg);
  303. }
  304. static int adau1781_set_input_mode(struct adau *adau, unsigned int reg,
  305. bool differential)
  306. {
  307. unsigned int val;
  308. if (differential)
  309. val = ADAU1781_INPUT_DIFFERNTIAL;
  310. else
  311. val = 0;
  312. return regmap_update_bits(adau->regmap, reg,
  313. ADAU1781_INPUT_DIFFERNTIAL, val);
  314. }
  315. static int adau1781_component_probe(struct snd_soc_component *component)
  316. {
  317. struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
  318. struct adau1781_platform_data *pdata = dev_get_platdata(component->dev);
  319. struct adau *adau = snd_soc_component_get_drvdata(component);
  320. int ret;
  321. ret = adau17x1_add_widgets(component);
  322. if (ret)
  323. return ret;
  324. if (pdata) {
  325. ret = adau1781_set_input_mode(adau, ADAU1781_LEFT_PGA,
  326. pdata->left_input_differential);
  327. if (ret)
  328. return ret;
  329. ret = adau1781_set_input_mode(adau, ADAU1781_RIGHT_PGA,
  330. pdata->right_input_differential);
  331. if (ret)
  332. return ret;
  333. }
  334. if (pdata && pdata->use_dmic) {
  335. ret = snd_soc_dapm_new_controls(dapm,
  336. adau1781_dmic_dapm_widgets,
  337. ARRAY_SIZE(adau1781_dmic_dapm_widgets));
  338. if (ret)
  339. return ret;
  340. ret = snd_soc_dapm_add_routes(dapm, adau1781_dmic_dapm_routes,
  341. ARRAY_SIZE(adau1781_dmic_dapm_routes));
  342. if (ret)
  343. return ret;
  344. } else {
  345. ret = snd_soc_dapm_add_routes(dapm, adau1781_adc_dapm_routes,
  346. ARRAY_SIZE(adau1781_adc_dapm_routes));
  347. if (ret)
  348. return ret;
  349. }
  350. ret = adau17x1_add_routes(component);
  351. if (ret < 0)
  352. return ret;
  353. return 0;
  354. }
  355. static const struct snd_soc_component_driver adau1781_component_driver = {
  356. .probe = adau1781_component_probe,
  357. .resume = adau17x1_resume,
  358. .set_bias_level = adau1781_set_bias_level,
  359. .controls = adau1781_controls,
  360. .num_controls = ARRAY_SIZE(adau1781_controls),
  361. .dapm_widgets = adau1781_dapm_widgets,
  362. .num_dapm_widgets = ARRAY_SIZE(adau1781_dapm_widgets),
  363. .dapm_routes = adau1781_dapm_routes,
  364. .num_dapm_routes = ARRAY_SIZE(adau1781_dapm_routes),
  365. .suspend_bias_off = 1,
  366. .idle_bias_on = 1,
  367. .use_pmdown_time = 1,
  368. .endianness = 1,
  369. .non_legacy_dai_naming = 1,
  370. };
  371. #define ADAU1781_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
  372. SNDRV_PCM_FMTBIT_S32_LE)
  373. static struct snd_soc_dai_driver adau1781_dai_driver = {
  374. .name = "adau-hifi",
  375. .playback = {
  376. .stream_name = "Playback",
  377. .channels_min = 2,
  378. .channels_max = 8,
  379. .rates = SNDRV_PCM_RATE_8000_96000,
  380. .formats = ADAU1781_FORMATS,
  381. },
  382. .capture = {
  383. .stream_name = "Capture",
  384. .channels_min = 2,
  385. .channels_max = 8,
  386. .rates = SNDRV_PCM_RATE_8000_96000,
  387. .formats = ADAU1781_FORMATS,
  388. },
  389. .ops = &adau17x1_dai_ops,
  390. };
  391. const struct regmap_config adau1781_regmap_config = {
  392. .val_bits = 8,
  393. .reg_bits = 16,
  394. .max_register = 0x40f8,
  395. .reg_defaults = adau1781_reg_defaults,
  396. .num_reg_defaults = ARRAY_SIZE(adau1781_reg_defaults),
  397. .readable_reg = adau1781_readable_register,
  398. .volatile_reg = adau17x1_volatile_register,
  399. .precious_reg = adau17x1_precious_register,
  400. .cache_type = REGCACHE_RBTREE,
  401. };
  402. EXPORT_SYMBOL_GPL(adau1781_regmap_config);
  403. int adau1781_probe(struct device *dev, struct regmap *regmap,
  404. enum adau17x1_type type, void (*switch_mode)(struct device *dev))
  405. {
  406. const char *firmware_name;
  407. int ret;
  408. switch (type) {
  409. case ADAU1381:
  410. firmware_name = ADAU1381_FIRMWARE;
  411. break;
  412. case ADAU1781:
  413. firmware_name = ADAU1781_FIRMWARE;
  414. break;
  415. default:
  416. return -EINVAL;
  417. }
  418. ret = adau17x1_probe(dev, regmap, type, switch_mode, firmware_name);
  419. if (ret)
  420. return ret;
  421. return devm_snd_soc_register_component(dev, &adau1781_component_driver,
  422. &adau1781_dai_driver, 1);
  423. }
  424. EXPORT_SYMBOL_GPL(adau1781_probe);
  425. MODULE_DESCRIPTION("ASoC ADAU1381/ADAU1781 driver");
  426. MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
  427. MODULE_LICENSE("GPL");