da7219.c 77 KB

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  1. // SPDX-License-Identifier: GPL-2.0-or-later
  2. /*
  3. * da7219.c - DA7219 ALSA SoC Codec Driver
  4. *
  5. * Copyright (c) 2015 Dialog Semiconductor
  6. *
  7. * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
  8. */
  9. #include <linux/acpi.h>
  10. #include <linux/clk.h>
  11. #include <linux/clkdev.h>
  12. #include <linux/clk-provider.h>
  13. #include <linux/i2c.h>
  14. #include <linux/of_device.h>
  15. #include <linux/property.h>
  16. #include <linux/regmap.h>
  17. #include <linux/slab.h>
  18. #include <linux/pm.h>
  19. #include <linux/module.h>
  20. #include <linux/delay.h>
  21. #include <linux/regulator/consumer.h>
  22. #include <sound/pcm.h>
  23. #include <sound/pcm_params.h>
  24. #include <sound/soc.h>
  25. #include <sound/soc-dapm.h>
  26. #include <sound/initval.h>
  27. #include <sound/tlv.h>
  28. #include <asm/div64.h>
  29. #include <sound/da7219.h>
  30. #include "da7219.h"
  31. #include "da7219-aad.h"
  32. /*
  33. * TLVs and Enums
  34. */
  35. /* Input TLVs */
  36. static const DECLARE_TLV_DB_SCALE(da7219_mic_gain_tlv, -600, 600, 0);
  37. static const DECLARE_TLV_DB_SCALE(da7219_mixin_gain_tlv, -450, 150, 0);
  38. static const DECLARE_TLV_DB_SCALE(da7219_adc_dig_gain_tlv, -8325, 75, 0);
  39. static const DECLARE_TLV_DB_SCALE(da7219_alc_threshold_tlv, -9450, 150, 0);
  40. static const DECLARE_TLV_DB_SCALE(da7219_alc_gain_tlv, 0, 600, 0);
  41. static const DECLARE_TLV_DB_SCALE(da7219_alc_ana_gain_tlv, 0, 600, 0);
  42. static const DECLARE_TLV_DB_SCALE(da7219_sidetone_gain_tlv, -4200, 300, 0);
  43. static const DECLARE_TLV_DB_SCALE(da7219_tonegen_gain_tlv, -4500, 300, 0);
  44. /* Output TLVs */
  45. static const DECLARE_TLV_DB_SCALE(da7219_dac_eq_band_tlv, -1050, 150, 0);
  46. static const DECLARE_TLV_DB_RANGE(da7219_dac_dig_gain_tlv,
  47. 0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
  48. /* -77.25dB to 12dB */
  49. 0x08, 0x7f, TLV_DB_SCALE_ITEM(-7725, 75, 0)
  50. );
  51. static const DECLARE_TLV_DB_SCALE(da7219_dac_ng_threshold_tlv, -10200, 600, 0);
  52. static const DECLARE_TLV_DB_SCALE(da7219_hp_gain_tlv, -5700, 100, 0);
  53. /* Input Enums */
  54. static const char * const da7219_alc_attack_rate_txt[] = {
  55. "7.33/fs", "14.66/fs", "29.32/fs", "58.64/fs", "117.3/fs", "234.6/fs",
  56. "469.1/fs", "938.2/fs", "1876/fs", "3753/fs", "7506/fs", "15012/fs",
  57. "30024/fs"
  58. };
  59. static const struct soc_enum da7219_alc_attack_rate =
  60. SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_ATTACK_SHIFT,
  61. DA7219_ALC_ATTACK_MAX, da7219_alc_attack_rate_txt);
  62. static const char * const da7219_alc_release_rate_txt[] = {
  63. "28.66/fs", "57.33/fs", "114.6/fs", "229.3/fs", "458.6/fs", "917.1/fs",
  64. "1834/fs", "3668/fs", "7337/fs", "14674/fs", "29348/fs"
  65. };
  66. static const struct soc_enum da7219_alc_release_rate =
  67. SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_RELEASE_SHIFT,
  68. DA7219_ALC_RELEASE_MAX, da7219_alc_release_rate_txt);
  69. static const char * const da7219_alc_hold_time_txt[] = {
  70. "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
  71. "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
  72. "253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
  73. };
  74. static const struct soc_enum da7219_alc_hold_time =
  75. SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_HOLD_SHIFT,
  76. DA7219_ALC_HOLD_MAX, da7219_alc_hold_time_txt);
  77. static const char * const da7219_alc_env_rate_txt[] = {
  78. "1/4", "1/16", "1/256", "1/65536"
  79. };
  80. static const struct soc_enum da7219_alc_env_attack_rate =
  81. SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_ATTACK_SHIFT,
  82. DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
  83. static const struct soc_enum da7219_alc_env_release_rate =
  84. SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_RELEASE_SHIFT,
  85. DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
  86. static const char * const da7219_alc_anticlip_step_txt[] = {
  87. "0.034dB/fs", "0.068dB/fs", "0.136dB/fs", "0.272dB/fs"
  88. };
  89. static const struct soc_enum da7219_alc_anticlip_step =
  90. SOC_ENUM_SINGLE(DA7219_ALC_ANTICLIP_CTRL,
  91. DA7219_ALC_ANTICLIP_STEP_SHIFT,
  92. DA7219_ALC_ANTICLIP_STEP_MAX,
  93. da7219_alc_anticlip_step_txt);
  94. /* Input/Output Enums */
  95. static const char * const da7219_gain_ramp_rate_txt[] = {
  96. "Nominal Rate * 8", "Nominal Rate", "Nominal Rate / 8",
  97. "Nominal Rate / 16"
  98. };
  99. static const struct soc_enum da7219_gain_ramp_rate =
  100. SOC_ENUM_SINGLE(DA7219_GAIN_RAMP_CTRL, DA7219_GAIN_RAMP_RATE_SHIFT,
  101. DA7219_GAIN_RAMP_RATE_MAX, da7219_gain_ramp_rate_txt);
  102. static const char * const da7219_hpf_mode_txt[] = {
  103. "Disabled", "Audio", "Voice"
  104. };
  105. static const unsigned int da7219_hpf_mode_val[] = {
  106. DA7219_HPF_DISABLED, DA7219_HPF_AUDIO_EN, DA7219_HPF_VOICE_EN,
  107. };
  108. static const struct soc_enum da7219_adc_hpf_mode =
  109. SOC_VALUE_ENUM_SINGLE(DA7219_ADC_FILTERS1, DA7219_HPF_MODE_SHIFT,
  110. DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
  111. da7219_hpf_mode_txt, da7219_hpf_mode_val);
  112. static const struct soc_enum da7219_dac_hpf_mode =
  113. SOC_VALUE_ENUM_SINGLE(DA7219_DAC_FILTERS1, DA7219_HPF_MODE_SHIFT,
  114. DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
  115. da7219_hpf_mode_txt, da7219_hpf_mode_val);
  116. static const char * const da7219_audio_hpf_corner_txt[] = {
  117. "2Hz", "4Hz", "8Hz", "16Hz"
  118. };
  119. static const struct soc_enum da7219_adc_audio_hpf_corner =
  120. SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
  121. DA7219_ADC_AUDIO_HPF_CORNER_SHIFT,
  122. DA7219_AUDIO_HPF_CORNER_MAX,
  123. da7219_audio_hpf_corner_txt);
  124. static const struct soc_enum da7219_dac_audio_hpf_corner =
  125. SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
  126. DA7219_DAC_AUDIO_HPF_CORNER_SHIFT,
  127. DA7219_AUDIO_HPF_CORNER_MAX,
  128. da7219_audio_hpf_corner_txt);
  129. static const char * const da7219_voice_hpf_corner_txt[] = {
  130. "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
  131. };
  132. static const struct soc_enum da7219_adc_voice_hpf_corner =
  133. SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
  134. DA7219_ADC_VOICE_HPF_CORNER_SHIFT,
  135. DA7219_VOICE_HPF_CORNER_MAX,
  136. da7219_voice_hpf_corner_txt);
  137. static const struct soc_enum da7219_dac_voice_hpf_corner =
  138. SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
  139. DA7219_DAC_VOICE_HPF_CORNER_SHIFT,
  140. DA7219_VOICE_HPF_CORNER_MAX,
  141. da7219_voice_hpf_corner_txt);
  142. static const char * const da7219_tonegen_dtmf_key_txt[] = {
  143. "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D",
  144. "*", "#"
  145. };
  146. static const struct soc_enum da7219_tonegen_dtmf_key =
  147. SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG1, DA7219_DTMF_REG_SHIFT,
  148. DA7219_DTMF_REG_MAX, da7219_tonegen_dtmf_key_txt);
  149. static const char * const da7219_tonegen_swg_sel_txt[] = {
  150. "Sum", "SWG1", "SWG2", "SWG1_1-Cos"
  151. };
  152. static const struct soc_enum da7219_tonegen_swg_sel =
  153. SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG2, DA7219_SWG_SEL_SHIFT,
  154. DA7219_SWG_SEL_MAX, da7219_tonegen_swg_sel_txt);
  155. /* Output Enums */
  156. static const char * const da7219_dac_softmute_rate_txt[] = {
  157. "1 Sample", "2 Samples", "4 Samples", "8 Samples", "16 Samples",
  158. "32 Samples", "64 Samples"
  159. };
  160. static const struct soc_enum da7219_dac_softmute_rate =
  161. SOC_ENUM_SINGLE(DA7219_DAC_FILTERS5, DA7219_DAC_SOFTMUTE_RATE_SHIFT,
  162. DA7219_DAC_SOFTMUTE_RATE_MAX,
  163. da7219_dac_softmute_rate_txt);
  164. static const char * const da7219_dac_ng_setup_time_txt[] = {
  165. "256 Samples", "512 Samples", "1024 Samples", "2048 Samples"
  166. };
  167. static const struct soc_enum da7219_dac_ng_setup_time =
  168. SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
  169. DA7219_DAC_NG_SETUP_TIME_SHIFT,
  170. DA7219_DAC_NG_SETUP_TIME_MAX,
  171. da7219_dac_ng_setup_time_txt);
  172. static const char * const da7219_dac_ng_rampup_txt[] = {
  173. "0.22ms/dB", "0.0138ms/dB"
  174. };
  175. static const struct soc_enum da7219_dac_ng_rampup_rate =
  176. SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
  177. DA7219_DAC_NG_RAMPUP_RATE_SHIFT,
  178. DA7219_DAC_NG_RAMP_RATE_MAX,
  179. da7219_dac_ng_rampup_txt);
  180. static const char * const da7219_dac_ng_rampdown_txt[] = {
  181. "0.88ms/dB", "14.08ms/dB"
  182. };
  183. static const struct soc_enum da7219_dac_ng_rampdown_rate =
  184. SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
  185. DA7219_DAC_NG_RAMPDN_RATE_SHIFT,
  186. DA7219_DAC_NG_RAMP_RATE_MAX,
  187. da7219_dac_ng_rampdown_txt);
  188. static const char * const da7219_cp_track_mode_txt[] = {
  189. "Largest Volume", "DAC Volume", "Signal Magnitude"
  190. };
  191. static const unsigned int da7219_cp_track_mode_val[] = {
  192. DA7219_CP_MCHANGE_LARGEST_VOL, DA7219_CP_MCHANGE_DAC_VOL,
  193. DA7219_CP_MCHANGE_SIG_MAG
  194. };
  195. static const struct soc_enum da7219_cp_track_mode =
  196. SOC_VALUE_ENUM_SINGLE(DA7219_CP_CTRL, DA7219_CP_MCHANGE_SHIFT,
  197. DA7219_CP_MCHANGE_REL_MASK, DA7219_CP_MCHANGE_MAX,
  198. da7219_cp_track_mode_txt,
  199. da7219_cp_track_mode_val);
  200. /*
  201. * Control Functions
  202. */
  203. /* Locked Kcontrol calls */
  204. static int da7219_volsw_locked_get(struct snd_kcontrol *kcontrol,
  205. struct snd_ctl_elem_value *ucontrol)
  206. {
  207. struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
  208. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  209. int ret;
  210. mutex_lock(&da7219->ctrl_lock);
  211. ret = snd_soc_get_volsw(kcontrol, ucontrol);
  212. mutex_unlock(&da7219->ctrl_lock);
  213. return ret;
  214. }
  215. static int da7219_volsw_locked_put(struct snd_kcontrol *kcontrol,
  216. struct snd_ctl_elem_value *ucontrol)
  217. {
  218. struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
  219. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  220. int ret;
  221. mutex_lock(&da7219->ctrl_lock);
  222. ret = snd_soc_put_volsw(kcontrol, ucontrol);
  223. mutex_unlock(&da7219->ctrl_lock);
  224. return ret;
  225. }
  226. static int da7219_enum_locked_get(struct snd_kcontrol *kcontrol,
  227. struct snd_ctl_elem_value *ucontrol)
  228. {
  229. struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
  230. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  231. int ret;
  232. mutex_lock(&da7219->ctrl_lock);
  233. ret = snd_soc_get_enum_double(kcontrol, ucontrol);
  234. mutex_unlock(&da7219->ctrl_lock);
  235. return ret;
  236. }
  237. static int da7219_enum_locked_put(struct snd_kcontrol *kcontrol,
  238. struct snd_ctl_elem_value *ucontrol)
  239. {
  240. struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
  241. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  242. int ret;
  243. mutex_lock(&da7219->ctrl_lock);
  244. ret = snd_soc_put_enum_double(kcontrol, ucontrol);
  245. mutex_unlock(&da7219->ctrl_lock);
  246. return ret;
  247. }
  248. /* ALC */
  249. static void da7219_alc_calib(struct snd_soc_component *component)
  250. {
  251. u8 mic_ctrl, mixin_ctrl, adc_ctrl, calib_ctrl;
  252. /* Save current state of mic control register */
  253. mic_ctrl = snd_soc_component_read(component, DA7219_MIC_1_CTRL);
  254. /* Save current state of input mixer control register */
  255. mixin_ctrl = snd_soc_component_read(component, DA7219_MIXIN_L_CTRL);
  256. /* Save current state of input ADC control register */
  257. adc_ctrl = snd_soc_component_read(component, DA7219_ADC_L_CTRL);
  258. /* Enable then Mute MIC PGAs */
  259. snd_soc_component_update_bits(component, DA7219_MIC_1_CTRL, DA7219_MIC_1_AMP_EN_MASK,
  260. DA7219_MIC_1_AMP_EN_MASK);
  261. snd_soc_component_update_bits(component, DA7219_MIC_1_CTRL,
  262. DA7219_MIC_1_AMP_MUTE_EN_MASK,
  263. DA7219_MIC_1_AMP_MUTE_EN_MASK);
  264. /* Enable input mixers unmuted */
  265. snd_soc_component_update_bits(component, DA7219_MIXIN_L_CTRL,
  266. DA7219_MIXIN_L_AMP_EN_MASK |
  267. DA7219_MIXIN_L_AMP_MUTE_EN_MASK,
  268. DA7219_MIXIN_L_AMP_EN_MASK);
  269. /* Enable input filters unmuted */
  270. snd_soc_component_update_bits(component, DA7219_ADC_L_CTRL,
  271. DA7219_ADC_L_MUTE_EN_MASK | DA7219_ADC_L_EN_MASK,
  272. DA7219_ADC_L_EN_MASK);
  273. /* Perform auto calibration */
  274. snd_soc_component_update_bits(component, DA7219_ALC_CTRL1,
  275. DA7219_ALC_AUTO_CALIB_EN_MASK,
  276. DA7219_ALC_AUTO_CALIB_EN_MASK);
  277. do {
  278. calib_ctrl = snd_soc_component_read(component, DA7219_ALC_CTRL1);
  279. } while (calib_ctrl & DA7219_ALC_AUTO_CALIB_EN_MASK);
  280. /* If auto calibration fails, disable DC offset, hybrid ALC */
  281. if (calib_ctrl & DA7219_ALC_CALIB_OVERFLOW_MASK) {
  282. dev_warn(component->dev,
  283. "ALC auto calibration failed with overflow\n");
  284. snd_soc_component_update_bits(component, DA7219_ALC_CTRL1,
  285. DA7219_ALC_OFFSET_EN_MASK |
  286. DA7219_ALC_SYNC_MODE_MASK, 0);
  287. } else {
  288. /* Enable DC offset cancellation, hybrid mode */
  289. snd_soc_component_update_bits(component, DA7219_ALC_CTRL1,
  290. DA7219_ALC_OFFSET_EN_MASK |
  291. DA7219_ALC_SYNC_MODE_MASK,
  292. DA7219_ALC_OFFSET_EN_MASK |
  293. DA7219_ALC_SYNC_MODE_MASK);
  294. }
  295. /* Restore input filter control register to original state */
  296. snd_soc_component_write(component, DA7219_ADC_L_CTRL, adc_ctrl);
  297. /* Restore input mixer control registers to original state */
  298. snd_soc_component_write(component, DA7219_MIXIN_L_CTRL, mixin_ctrl);
  299. /* Restore MIC control registers to original states */
  300. snd_soc_component_write(component, DA7219_MIC_1_CTRL, mic_ctrl);
  301. }
  302. static int da7219_mixin_gain_put(struct snd_kcontrol *kcontrol,
  303. struct snd_ctl_elem_value *ucontrol)
  304. {
  305. struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
  306. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  307. int ret;
  308. ret = snd_soc_put_volsw(kcontrol, ucontrol);
  309. /*
  310. * If ALC in operation and value of control has been updated,
  311. * make sure calibrated offsets are updated.
  312. */
  313. if ((ret == 1) && (da7219->alc_en))
  314. da7219_alc_calib(component);
  315. return ret;
  316. }
  317. static int da7219_alc_sw_put(struct snd_kcontrol *kcontrol,
  318. struct snd_ctl_elem_value *ucontrol)
  319. {
  320. struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
  321. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  322. /* Force ALC offset calibration if enabling ALC */
  323. if ((ucontrol->value.integer.value[0]) && (!da7219->alc_en)) {
  324. da7219_alc_calib(component);
  325. da7219->alc_en = true;
  326. } else {
  327. da7219->alc_en = false;
  328. }
  329. return snd_soc_put_volsw(kcontrol, ucontrol);
  330. }
  331. /* ToneGen */
  332. static int da7219_tonegen_freq_get(struct snd_kcontrol *kcontrol,
  333. struct snd_ctl_elem_value *ucontrol)
  334. {
  335. struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
  336. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  337. struct soc_mixer_control *mixer_ctrl =
  338. (struct soc_mixer_control *) kcontrol->private_value;
  339. unsigned int reg = mixer_ctrl->reg;
  340. __le16 val;
  341. int ret;
  342. mutex_lock(&da7219->ctrl_lock);
  343. ret = regmap_raw_read(da7219->regmap, reg, &val, sizeof(val));
  344. mutex_unlock(&da7219->ctrl_lock);
  345. if (ret)
  346. return ret;
  347. /*
  348. * Frequency value spans two 8-bit registers, lower then upper byte.
  349. * Therefore we need to convert to host endianness here.
  350. */
  351. ucontrol->value.integer.value[0] = le16_to_cpu(val);
  352. return 0;
  353. }
  354. static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol,
  355. struct snd_ctl_elem_value *ucontrol)
  356. {
  357. struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
  358. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  359. struct soc_mixer_control *mixer_ctrl =
  360. (struct soc_mixer_control *) kcontrol->private_value;
  361. unsigned int reg = mixer_ctrl->reg;
  362. __le16 val;
  363. int ret;
  364. /*
  365. * Frequency value spans two 8-bit registers, lower then upper byte.
  366. * Therefore we need to convert to little endian here to align with
  367. * HW registers.
  368. */
  369. val = cpu_to_le16(ucontrol->value.integer.value[0]);
  370. mutex_lock(&da7219->ctrl_lock);
  371. ret = regmap_raw_write(da7219->regmap, reg, &val, sizeof(val));
  372. mutex_unlock(&da7219->ctrl_lock);
  373. return ret;
  374. }
  375. /*
  376. * KControls
  377. */
  378. static const struct snd_kcontrol_new da7219_snd_controls[] = {
  379. /* Mics */
  380. SOC_SINGLE_TLV("Mic Volume", DA7219_MIC_1_GAIN,
  381. DA7219_MIC_1_AMP_GAIN_SHIFT, DA7219_MIC_1_AMP_GAIN_MAX,
  382. DA7219_NO_INVERT, da7219_mic_gain_tlv),
  383. SOC_SINGLE("Mic Switch", DA7219_MIC_1_CTRL,
  384. DA7219_MIC_1_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
  385. DA7219_INVERT),
  386. /* Mixer Input */
  387. SOC_SINGLE_EXT_TLV("Mixin Volume", DA7219_MIXIN_L_GAIN,
  388. DA7219_MIXIN_L_AMP_GAIN_SHIFT,
  389. DA7219_MIXIN_L_AMP_GAIN_MAX, DA7219_NO_INVERT,
  390. snd_soc_get_volsw, da7219_mixin_gain_put,
  391. da7219_mixin_gain_tlv),
  392. SOC_SINGLE("Mixin Switch", DA7219_MIXIN_L_CTRL,
  393. DA7219_MIXIN_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
  394. DA7219_INVERT),
  395. SOC_SINGLE("Mixin Gain Ramp Switch", DA7219_MIXIN_L_CTRL,
  396. DA7219_MIXIN_L_AMP_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
  397. DA7219_NO_INVERT),
  398. SOC_SINGLE("Mixin ZC Gain Switch", DA7219_MIXIN_L_CTRL,
  399. DA7219_MIXIN_L_AMP_ZC_EN_SHIFT, DA7219_SWITCH_EN_MAX,
  400. DA7219_NO_INVERT),
  401. /* ADC */
  402. SOC_SINGLE_TLV("Capture Digital Volume", DA7219_ADC_L_GAIN,
  403. DA7219_ADC_L_DIGITAL_GAIN_SHIFT,
  404. DA7219_ADC_L_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
  405. da7219_adc_dig_gain_tlv),
  406. SOC_SINGLE("Capture Digital Switch", DA7219_ADC_L_CTRL,
  407. DA7219_ADC_L_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
  408. DA7219_INVERT),
  409. SOC_SINGLE("Capture Digital Gain Ramp Switch", DA7219_ADC_L_CTRL,
  410. DA7219_ADC_L_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
  411. DA7219_NO_INVERT),
  412. /* ALC */
  413. SOC_ENUM("ALC Attack Rate", da7219_alc_attack_rate),
  414. SOC_ENUM("ALC Release Rate", da7219_alc_release_rate),
  415. SOC_ENUM("ALC Hold Time", da7219_alc_hold_time),
  416. SOC_ENUM("ALC Envelope Attack Rate", da7219_alc_env_attack_rate),
  417. SOC_ENUM("ALC Envelope Release Rate", da7219_alc_env_release_rate),
  418. SOC_SINGLE_TLV("ALC Noise Threshold", DA7219_ALC_NOISE,
  419. DA7219_ALC_NOISE_SHIFT, DA7219_ALC_THRESHOLD_MAX,
  420. DA7219_INVERT, da7219_alc_threshold_tlv),
  421. SOC_SINGLE_TLV("ALC Min Threshold", DA7219_ALC_TARGET_MIN,
  422. DA7219_ALC_THRESHOLD_MIN_SHIFT, DA7219_ALC_THRESHOLD_MAX,
  423. DA7219_INVERT, da7219_alc_threshold_tlv),
  424. SOC_SINGLE_TLV("ALC Max Threshold", DA7219_ALC_TARGET_MAX,
  425. DA7219_ALC_THRESHOLD_MAX_SHIFT, DA7219_ALC_THRESHOLD_MAX,
  426. DA7219_INVERT, da7219_alc_threshold_tlv),
  427. SOC_SINGLE_TLV("ALC Max Attenuation", DA7219_ALC_GAIN_LIMITS,
  428. DA7219_ALC_ATTEN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
  429. DA7219_NO_INVERT, da7219_alc_gain_tlv),
  430. SOC_SINGLE_TLV("ALC Max Volume", DA7219_ALC_GAIN_LIMITS,
  431. DA7219_ALC_GAIN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
  432. DA7219_NO_INVERT, da7219_alc_gain_tlv),
  433. SOC_SINGLE_RANGE_TLV("ALC Min Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
  434. DA7219_ALC_ANA_GAIN_MIN_SHIFT,
  435. DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
  436. DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
  437. SOC_SINGLE_RANGE_TLV("ALC Max Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
  438. DA7219_ALC_ANA_GAIN_MAX_SHIFT,
  439. DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
  440. DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
  441. SOC_ENUM("ALC Anticlip Step", da7219_alc_anticlip_step),
  442. SOC_SINGLE("ALC Anticlip Switch", DA7219_ALC_ANTICLIP_CTRL,
  443. DA7219_ALC_ANTIPCLIP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
  444. DA7219_NO_INVERT),
  445. SOC_SINGLE_EXT("ALC Switch", DA7219_ALC_CTRL1, DA7219_ALC_EN_SHIFT,
  446. DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT,
  447. snd_soc_get_volsw, da7219_alc_sw_put),
  448. /* Input High-Pass Filters */
  449. SOC_ENUM("ADC HPF Mode", da7219_adc_hpf_mode),
  450. SOC_ENUM("ADC HPF Corner Audio", da7219_adc_audio_hpf_corner),
  451. SOC_ENUM("ADC HPF Corner Voice", da7219_adc_voice_hpf_corner),
  452. /* Sidetone Filter */
  453. SOC_SINGLE_TLV("Sidetone Volume", DA7219_SIDETONE_GAIN,
  454. DA7219_SIDETONE_GAIN_SHIFT, DA7219_SIDETONE_GAIN_MAX,
  455. DA7219_NO_INVERT, da7219_sidetone_gain_tlv),
  456. SOC_SINGLE("Sidetone Switch", DA7219_SIDETONE_CTRL,
  457. DA7219_SIDETONE_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
  458. DA7219_INVERT),
  459. /* Tone Generator */
  460. SOC_SINGLE_EXT_TLV("ToneGen Volume", DA7219_TONE_GEN_CFG2,
  461. DA7219_TONE_GEN_GAIN_SHIFT, DA7219_TONE_GEN_GAIN_MAX,
  462. DA7219_NO_INVERT, da7219_volsw_locked_get,
  463. da7219_volsw_locked_put, da7219_tonegen_gain_tlv),
  464. SOC_ENUM_EXT("ToneGen DTMF Key", da7219_tonegen_dtmf_key,
  465. da7219_enum_locked_get, da7219_enum_locked_put),
  466. SOC_SINGLE_EXT("ToneGen DTMF Switch", DA7219_TONE_GEN_CFG1,
  467. DA7219_DTMF_EN_SHIFT, DA7219_SWITCH_EN_MAX,
  468. DA7219_NO_INVERT, da7219_volsw_locked_get,
  469. da7219_volsw_locked_put),
  470. SOC_ENUM_EXT("ToneGen Sinewave Gen Type", da7219_tonegen_swg_sel,
  471. da7219_enum_locked_get, da7219_enum_locked_put),
  472. SOC_SINGLE_EXT("ToneGen Sinewave1 Freq", DA7219_TONE_GEN_FREQ1_L,
  473. DA7219_FREQ1_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
  474. da7219_tonegen_freq_get, da7219_tonegen_freq_put),
  475. SOC_SINGLE_EXT("ToneGen Sinewave2 Freq", DA7219_TONE_GEN_FREQ2_L,
  476. DA7219_FREQ2_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
  477. da7219_tonegen_freq_get, da7219_tonegen_freq_put),
  478. SOC_SINGLE_EXT("ToneGen On Time", DA7219_TONE_GEN_ON_PER,
  479. DA7219_BEEP_ON_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
  480. DA7219_NO_INVERT, da7219_volsw_locked_get,
  481. da7219_volsw_locked_put),
  482. SOC_SINGLE("ToneGen Off Time", DA7219_TONE_GEN_OFF_PER,
  483. DA7219_BEEP_OFF_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
  484. DA7219_NO_INVERT),
  485. /* Gain ramping */
  486. SOC_ENUM("Gain Ramp Rate", da7219_gain_ramp_rate),
  487. /* DAC High-Pass Filter */
  488. SOC_ENUM_EXT("DAC HPF Mode", da7219_dac_hpf_mode,
  489. da7219_enum_locked_get, da7219_enum_locked_put),
  490. SOC_ENUM("DAC HPF Corner Audio", da7219_dac_audio_hpf_corner),
  491. SOC_ENUM("DAC HPF Corner Voice", da7219_dac_voice_hpf_corner),
  492. /* DAC 5-Band Equaliser */
  493. SOC_SINGLE_TLV("DAC EQ Band1 Volume", DA7219_DAC_FILTERS2,
  494. DA7219_DAC_EQ_BAND1_SHIFT, DA7219_DAC_EQ_BAND_MAX,
  495. DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
  496. SOC_SINGLE_TLV("DAC EQ Band2 Volume", DA7219_DAC_FILTERS2,
  497. DA7219_DAC_EQ_BAND2_SHIFT, DA7219_DAC_EQ_BAND_MAX,
  498. DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
  499. SOC_SINGLE_TLV("DAC EQ Band3 Volume", DA7219_DAC_FILTERS3,
  500. DA7219_DAC_EQ_BAND3_SHIFT, DA7219_DAC_EQ_BAND_MAX,
  501. DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
  502. SOC_SINGLE_TLV("DAC EQ Band4 Volume", DA7219_DAC_FILTERS3,
  503. DA7219_DAC_EQ_BAND4_SHIFT, DA7219_DAC_EQ_BAND_MAX,
  504. DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
  505. SOC_SINGLE_TLV("DAC EQ Band5 Volume", DA7219_DAC_FILTERS4,
  506. DA7219_DAC_EQ_BAND5_SHIFT, DA7219_DAC_EQ_BAND_MAX,
  507. DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
  508. SOC_SINGLE_EXT("DAC EQ Switch", DA7219_DAC_FILTERS4,
  509. DA7219_DAC_EQ_EN_SHIFT, DA7219_SWITCH_EN_MAX,
  510. DA7219_NO_INVERT, da7219_volsw_locked_get,
  511. da7219_volsw_locked_put),
  512. /* DAC Softmute */
  513. SOC_ENUM("DAC Soft Mute Rate", da7219_dac_softmute_rate),
  514. SOC_SINGLE_EXT("DAC Soft Mute Switch", DA7219_DAC_FILTERS5,
  515. DA7219_DAC_SOFTMUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
  516. DA7219_NO_INVERT, da7219_volsw_locked_get,
  517. da7219_volsw_locked_put),
  518. /* DAC Noise Gate */
  519. SOC_ENUM("DAC NG Setup Time", da7219_dac_ng_setup_time),
  520. SOC_ENUM("DAC NG Rampup Rate", da7219_dac_ng_rampup_rate),
  521. SOC_ENUM("DAC NG Rampdown Rate", da7219_dac_ng_rampdown_rate),
  522. SOC_SINGLE_TLV("DAC NG Off Threshold", DA7219_DAC_NG_OFF_THRESH,
  523. DA7219_DAC_NG_OFF_THRESHOLD_SHIFT,
  524. DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
  525. da7219_dac_ng_threshold_tlv),
  526. SOC_SINGLE_TLV("DAC NG On Threshold", DA7219_DAC_NG_ON_THRESH,
  527. DA7219_DAC_NG_ON_THRESHOLD_SHIFT,
  528. DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
  529. da7219_dac_ng_threshold_tlv),
  530. SOC_SINGLE("DAC NG Switch", DA7219_DAC_NG_CTRL, DA7219_DAC_NG_EN_SHIFT,
  531. DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
  532. /* DACs */
  533. SOC_DOUBLE_R_EXT_TLV("Playback Digital Volume", DA7219_DAC_L_GAIN,
  534. DA7219_DAC_R_GAIN, DA7219_DAC_L_DIGITAL_GAIN_SHIFT,
  535. DA7219_DAC_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
  536. da7219_volsw_locked_get, da7219_volsw_locked_put,
  537. da7219_dac_dig_gain_tlv),
  538. SOC_DOUBLE_R_EXT("Playback Digital Switch", DA7219_DAC_L_CTRL,
  539. DA7219_DAC_R_CTRL, DA7219_DAC_L_MUTE_EN_SHIFT,
  540. DA7219_SWITCH_EN_MAX, DA7219_INVERT,
  541. da7219_volsw_locked_get, da7219_volsw_locked_put),
  542. SOC_DOUBLE_R("Playback Digital Gain Ramp Switch", DA7219_DAC_L_CTRL,
  543. DA7219_DAC_R_CTRL, DA7219_DAC_L_RAMP_EN_SHIFT,
  544. DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
  545. /* CP */
  546. SOC_ENUM("Charge Pump Track Mode", da7219_cp_track_mode),
  547. SOC_SINGLE("Charge Pump Threshold", DA7219_CP_VOL_THRESHOLD1,
  548. DA7219_CP_THRESH_VDD2_SHIFT, DA7219_CP_THRESH_VDD2_MAX,
  549. DA7219_NO_INVERT),
  550. /* Headphones */
  551. SOC_DOUBLE_R_EXT_TLV("Headphone Volume", DA7219_HP_L_GAIN,
  552. DA7219_HP_R_GAIN, DA7219_HP_L_AMP_GAIN_SHIFT,
  553. DA7219_HP_AMP_GAIN_MAX, DA7219_NO_INVERT,
  554. da7219_volsw_locked_get, da7219_volsw_locked_put,
  555. da7219_hp_gain_tlv),
  556. SOC_DOUBLE_R_EXT("Headphone Switch", DA7219_HP_L_CTRL, DA7219_HP_R_CTRL,
  557. DA7219_HP_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
  558. DA7219_INVERT, da7219_volsw_locked_get,
  559. da7219_volsw_locked_put),
  560. SOC_DOUBLE_R("Headphone Gain Ramp Switch", DA7219_HP_L_CTRL,
  561. DA7219_HP_R_CTRL, DA7219_HP_L_AMP_RAMP_EN_SHIFT,
  562. DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
  563. SOC_DOUBLE_R("Headphone ZC Gain Switch", DA7219_HP_L_CTRL,
  564. DA7219_HP_R_CTRL, DA7219_HP_L_AMP_ZC_EN_SHIFT,
  565. DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
  566. };
  567. /*
  568. * DAPM Mux Controls
  569. */
  570. static const char * const da7219_out_sel_txt[] = {
  571. "ADC", "Tone Generator", "DAIL", "DAIR"
  572. };
  573. static const struct soc_enum da7219_out_dail_sel =
  574. SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
  575. DA7219_DAI_L_SRC_SHIFT,
  576. DA7219_OUT_SRC_MAX,
  577. da7219_out_sel_txt);
  578. static const struct snd_kcontrol_new da7219_out_dail_sel_mux =
  579. SOC_DAPM_ENUM("Out DAIL Mux", da7219_out_dail_sel);
  580. static const struct soc_enum da7219_out_dair_sel =
  581. SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
  582. DA7219_DAI_R_SRC_SHIFT,
  583. DA7219_OUT_SRC_MAX,
  584. da7219_out_sel_txt);
  585. static const struct snd_kcontrol_new da7219_out_dair_sel_mux =
  586. SOC_DAPM_ENUM("Out DAIR Mux", da7219_out_dair_sel);
  587. static const struct soc_enum da7219_out_dacl_sel =
  588. SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
  589. DA7219_DAC_L_SRC_SHIFT,
  590. DA7219_OUT_SRC_MAX,
  591. da7219_out_sel_txt);
  592. static const struct snd_kcontrol_new da7219_out_dacl_sel_mux =
  593. SOC_DAPM_ENUM("Out DACL Mux", da7219_out_dacl_sel);
  594. static const struct soc_enum da7219_out_dacr_sel =
  595. SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
  596. DA7219_DAC_R_SRC_SHIFT,
  597. DA7219_OUT_SRC_MAX,
  598. da7219_out_sel_txt);
  599. static const struct snd_kcontrol_new da7219_out_dacr_sel_mux =
  600. SOC_DAPM_ENUM("Out DACR Mux", da7219_out_dacr_sel);
  601. /*
  602. * DAPM Mixer Controls
  603. */
  604. static const struct snd_kcontrol_new da7219_mixin_controls[] = {
  605. SOC_DAPM_SINGLE("Mic Switch", DA7219_MIXIN_L_SELECT,
  606. DA7219_MIXIN_L_MIX_SELECT_SHIFT,
  607. DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
  608. };
  609. static const struct snd_kcontrol_new da7219_mixout_l_controls[] = {
  610. SOC_DAPM_SINGLE("DACL Switch", DA7219_MIXOUT_L_SELECT,
  611. DA7219_MIXOUT_L_MIX_SELECT_SHIFT,
  612. DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
  613. };
  614. static const struct snd_kcontrol_new da7219_mixout_r_controls[] = {
  615. SOC_DAPM_SINGLE("DACR Switch", DA7219_MIXOUT_R_SELECT,
  616. DA7219_MIXOUT_R_MIX_SELECT_SHIFT,
  617. DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
  618. };
  619. #define DA7219_DMIX_ST_CTRLS(reg) \
  620. SOC_DAPM_SINGLE("Out FilterL Switch", reg, \
  621. DA7219_DMIX_ST_SRC_OUTFILT1L_SHIFT, \
  622. DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), \
  623. SOC_DAPM_SINGLE("Out FilterR Switch", reg, \
  624. DA7219_DMIX_ST_SRC_OUTFILT1R_SHIFT, \
  625. DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), \
  626. SOC_DAPM_SINGLE("Sidetone Switch", reg, \
  627. DA7219_DMIX_ST_SRC_SIDETONE_SHIFT, \
  628. DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT) \
  629. static const struct snd_kcontrol_new da7219_st_out_filtl_mix_controls[] = {
  630. DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1L),
  631. };
  632. static const struct snd_kcontrol_new da7219_st_out_filtr_mix_controls[] = {
  633. DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1R),
  634. };
  635. /*
  636. * DAPM Events
  637. */
  638. static int da7219_mic_pga_event(struct snd_soc_dapm_widget *w,
  639. struct snd_kcontrol *kcontrol, int event)
  640. {
  641. struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
  642. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  643. switch (event) {
  644. case SND_SOC_DAPM_POST_PMU:
  645. if (da7219->micbias_on_event) {
  646. /*
  647. * Delay only for first capture after bias enabled to
  648. * avoid possible DC offset related noise.
  649. */
  650. da7219->micbias_on_event = false;
  651. msleep(da7219->mic_pga_delay);
  652. }
  653. break;
  654. default:
  655. break;
  656. }
  657. return 0;
  658. }
  659. static int da7219_dai_event(struct snd_soc_dapm_widget *w,
  660. struct snd_kcontrol *kcontrol, int event)
  661. {
  662. struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
  663. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  664. struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX];
  665. u8 pll_ctrl, pll_status;
  666. int i = 0, ret;
  667. bool srm_lock = false;
  668. switch (event) {
  669. case SND_SOC_DAPM_PRE_PMU:
  670. if (da7219->master) {
  671. /* Enable DAI clks for master mode */
  672. if (bclk) {
  673. ret = clk_prepare_enable(bclk);
  674. if (ret) {
  675. dev_err(component->dev,
  676. "Failed to enable DAI clks\n");
  677. return ret;
  678. }
  679. } else {
  680. snd_soc_component_update_bits(component,
  681. DA7219_DAI_CLK_MODE,
  682. DA7219_DAI_CLK_EN_MASK,
  683. DA7219_DAI_CLK_EN_MASK);
  684. }
  685. }
  686. /* PC synchronised to DAI */
  687. snd_soc_component_update_bits(component, DA7219_PC_COUNT,
  688. DA7219_PC_FREERUN_MASK, 0);
  689. /* Slave mode, if SRM not enabled no need for status checks */
  690. pll_ctrl = snd_soc_component_read(component, DA7219_PLL_CTRL);
  691. if ((pll_ctrl & DA7219_PLL_MODE_MASK) != DA7219_PLL_MODE_SRM)
  692. return 0;
  693. /* Check SRM has locked */
  694. do {
  695. pll_status = snd_soc_component_read(component, DA7219_PLL_SRM_STS);
  696. if (pll_status & DA7219_PLL_SRM_STS_SRM_LOCK) {
  697. srm_lock = true;
  698. } else {
  699. ++i;
  700. msleep(50);
  701. }
  702. } while ((i < DA7219_SRM_CHECK_RETRIES) && (!srm_lock));
  703. if (!srm_lock)
  704. dev_warn(component->dev, "SRM failed to lock\n");
  705. return 0;
  706. case SND_SOC_DAPM_POST_PMD:
  707. /* PC free-running */
  708. snd_soc_component_update_bits(component, DA7219_PC_COUNT,
  709. DA7219_PC_FREERUN_MASK,
  710. DA7219_PC_FREERUN_MASK);
  711. /* Disable DAI clks if in master mode */
  712. if (da7219->master) {
  713. if (bclk)
  714. clk_disable_unprepare(bclk);
  715. else
  716. snd_soc_component_update_bits(component,
  717. DA7219_DAI_CLK_MODE,
  718. DA7219_DAI_CLK_EN_MASK,
  719. 0);
  720. }
  721. return 0;
  722. default:
  723. return -EINVAL;
  724. }
  725. }
  726. static int da7219_settling_event(struct snd_soc_dapm_widget *w,
  727. struct snd_kcontrol *kcontrol, int event)
  728. {
  729. switch (event) {
  730. case SND_SOC_DAPM_POST_PMU:
  731. case SND_SOC_DAPM_POST_PMD:
  732. msleep(DA7219_SETTLING_DELAY);
  733. break;
  734. default:
  735. break;
  736. }
  737. return 0;
  738. }
  739. static int da7219_mixout_event(struct snd_soc_dapm_widget *w,
  740. struct snd_kcontrol *kcontrol, int event)
  741. {
  742. struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
  743. u8 hp_ctrl, min_gain_mask;
  744. switch (w->reg) {
  745. case DA7219_MIXOUT_L_CTRL:
  746. hp_ctrl = DA7219_HP_L_CTRL;
  747. min_gain_mask = DA7219_HP_L_AMP_MIN_GAIN_EN_MASK;
  748. break;
  749. case DA7219_MIXOUT_R_CTRL:
  750. hp_ctrl = DA7219_HP_R_CTRL;
  751. min_gain_mask = DA7219_HP_R_AMP_MIN_GAIN_EN_MASK;
  752. break;
  753. default:
  754. return -EINVAL;
  755. }
  756. switch (event) {
  757. case SND_SOC_DAPM_PRE_PMD:
  758. /* Enable minimum gain on HP to avoid pops */
  759. snd_soc_component_update_bits(component, hp_ctrl, min_gain_mask,
  760. min_gain_mask);
  761. msleep(DA7219_MIN_GAIN_DELAY);
  762. break;
  763. case SND_SOC_DAPM_POST_PMU:
  764. /* Remove minimum gain on HP */
  765. snd_soc_component_update_bits(component, hp_ctrl, min_gain_mask, 0);
  766. break;
  767. }
  768. return 0;
  769. }
  770. static int da7219_gain_ramp_event(struct snd_soc_dapm_widget *w,
  771. struct snd_kcontrol *kcontrol, int event)
  772. {
  773. struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
  774. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  775. switch (event) {
  776. case SND_SOC_DAPM_PRE_PMU:
  777. case SND_SOC_DAPM_PRE_PMD:
  778. /* Ensure nominal gain ramping for DAPM sequence */
  779. da7219->gain_ramp_ctrl =
  780. snd_soc_component_read(component, DA7219_GAIN_RAMP_CTRL);
  781. snd_soc_component_write(component, DA7219_GAIN_RAMP_CTRL,
  782. DA7219_GAIN_RAMP_RATE_NOMINAL);
  783. break;
  784. case SND_SOC_DAPM_POST_PMU:
  785. case SND_SOC_DAPM_POST_PMD:
  786. /* Restore previous gain ramp settings */
  787. snd_soc_component_write(component, DA7219_GAIN_RAMP_CTRL,
  788. da7219->gain_ramp_ctrl);
  789. break;
  790. }
  791. return 0;
  792. }
  793. /*
  794. * DAPM Widgets
  795. */
  796. static const struct snd_soc_dapm_widget da7219_dapm_widgets[] = {
  797. /* Input Supplies */
  798. SND_SOC_DAPM_SUPPLY("Mic Bias", DA7219_MICBIAS_CTRL,
  799. DA7219_MICBIAS1_EN_SHIFT, DA7219_NO_INVERT,
  800. NULL, 0),
  801. /* Inputs */
  802. SND_SOC_DAPM_INPUT("MIC"),
  803. /* Input PGAs */
  804. SND_SOC_DAPM_PGA_E("Mic PGA", DA7219_MIC_1_CTRL,
  805. DA7219_MIC_1_AMP_EN_SHIFT, DA7219_NO_INVERT,
  806. NULL, 0, da7219_mic_pga_event, SND_SOC_DAPM_POST_PMU),
  807. SND_SOC_DAPM_PGA_E("Mixin PGA", DA7219_MIXIN_L_CTRL,
  808. DA7219_MIXIN_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
  809. NULL, 0, da7219_settling_event, SND_SOC_DAPM_POST_PMU),
  810. /* Input Filters */
  811. SND_SOC_DAPM_ADC("ADC", NULL, DA7219_ADC_L_CTRL, DA7219_ADC_L_EN_SHIFT,
  812. DA7219_NO_INVERT),
  813. /* Tone Generator */
  814. SND_SOC_DAPM_SIGGEN("TONE"),
  815. SND_SOC_DAPM_PGA("Tone Generator", DA7219_TONE_GEN_CFG1,
  816. DA7219_START_STOPN_SHIFT, DA7219_NO_INVERT, NULL, 0),
  817. /* Sidetone Input */
  818. SND_SOC_DAPM_ADC("Sidetone Filter", NULL, DA7219_SIDETONE_CTRL,
  819. DA7219_SIDETONE_EN_SHIFT, DA7219_NO_INVERT),
  820. /* Input Mixer Supply */
  821. SND_SOC_DAPM_SUPPLY("Mixer In Supply", DA7219_MIXIN_L_CTRL,
  822. DA7219_MIXIN_L_MIX_EN_SHIFT, DA7219_NO_INVERT,
  823. NULL, 0),
  824. /* Input Mixer */
  825. SND_SOC_DAPM_MIXER("Mixer In", SND_SOC_NOPM, 0, 0,
  826. da7219_mixin_controls,
  827. ARRAY_SIZE(da7219_mixin_controls)),
  828. /* Input Muxes */
  829. SND_SOC_DAPM_MUX("Out DAIL Mux", SND_SOC_NOPM, 0, 0,
  830. &da7219_out_dail_sel_mux),
  831. SND_SOC_DAPM_MUX("Out DAIR Mux", SND_SOC_NOPM, 0, 0,
  832. &da7219_out_dair_sel_mux),
  833. /* DAI Supply */
  834. SND_SOC_DAPM_SUPPLY("DAI", DA7219_DAI_CTRL, DA7219_DAI_EN_SHIFT,
  835. DA7219_NO_INVERT, da7219_dai_event,
  836. SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
  837. /* DAI */
  838. SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, DA7219_DAI_TDM_CTRL,
  839. DA7219_DAI_OE_SHIFT, DA7219_NO_INVERT),
  840. SND_SOC_DAPM_AIF_IN("DAIIN", "Playback", 0, SND_SOC_NOPM, 0, 0),
  841. /* Output Muxes */
  842. SND_SOC_DAPM_MUX("Out DACL Mux", SND_SOC_NOPM, 0, 0,
  843. &da7219_out_dacl_sel_mux),
  844. SND_SOC_DAPM_MUX("Out DACR Mux", SND_SOC_NOPM, 0, 0,
  845. &da7219_out_dacr_sel_mux),
  846. /* Output Mixers */
  847. SND_SOC_DAPM_MIXER("Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
  848. da7219_mixout_l_controls,
  849. ARRAY_SIZE(da7219_mixout_l_controls)),
  850. SND_SOC_DAPM_MIXER("Mixer Out FilterR", SND_SOC_NOPM, 0, 0,
  851. da7219_mixout_r_controls,
  852. ARRAY_SIZE(da7219_mixout_r_controls)),
  853. /* Sidetone Mixers */
  854. SND_SOC_DAPM_MIXER("ST Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
  855. da7219_st_out_filtl_mix_controls,
  856. ARRAY_SIZE(da7219_st_out_filtl_mix_controls)),
  857. SND_SOC_DAPM_MIXER("ST Mixer Out FilterR", SND_SOC_NOPM, 0,
  858. 0, da7219_st_out_filtr_mix_controls,
  859. ARRAY_SIZE(da7219_st_out_filtr_mix_controls)),
  860. /* DACs */
  861. SND_SOC_DAPM_DAC_E("DACL", NULL, DA7219_DAC_L_CTRL,
  862. DA7219_DAC_L_EN_SHIFT, DA7219_NO_INVERT,
  863. da7219_settling_event,
  864. SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
  865. SND_SOC_DAPM_DAC_E("DACR", NULL, DA7219_DAC_R_CTRL,
  866. DA7219_DAC_R_EN_SHIFT, DA7219_NO_INVERT,
  867. da7219_settling_event,
  868. SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
  869. /* Output PGAs */
  870. SND_SOC_DAPM_PGA_E("Mixout Left PGA", DA7219_MIXOUT_L_CTRL,
  871. DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
  872. NULL, 0, da7219_mixout_event,
  873. SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
  874. SND_SOC_DAPM_PGA_E("Mixout Right PGA", DA7219_MIXOUT_R_CTRL,
  875. DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
  876. NULL, 0, da7219_mixout_event,
  877. SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
  878. SND_SOC_DAPM_SUPPLY_S("Headphone Left PGA", 1, DA7219_HP_L_CTRL,
  879. DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
  880. da7219_settling_event,
  881. SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
  882. SND_SOC_DAPM_SUPPLY_S("Headphone Right PGA", 1, DA7219_HP_R_CTRL,
  883. DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
  884. da7219_settling_event,
  885. SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
  886. /* Output Supplies */
  887. SND_SOC_DAPM_SUPPLY_S("Charge Pump", 0, DA7219_CP_CTRL,
  888. DA7219_CP_EN_SHIFT, DA7219_NO_INVERT,
  889. da7219_settling_event,
  890. SND_SOC_DAPM_POST_PMU),
  891. /* Outputs */
  892. SND_SOC_DAPM_OUTPUT("HPL"),
  893. SND_SOC_DAPM_OUTPUT("HPR"),
  894. /* Pre/Post Power */
  895. SND_SOC_DAPM_PRE("Pre Power Gain Ramp", da7219_gain_ramp_event),
  896. SND_SOC_DAPM_POST("Post Power Gain Ramp", da7219_gain_ramp_event),
  897. };
  898. /*
  899. * DAPM Mux Routes
  900. */
  901. #define DA7219_OUT_DAI_MUX_ROUTES(name) \
  902. {name, "ADC", "Mixer In"}, \
  903. {name, "Tone Generator", "Tone Generator"}, \
  904. {name, "DAIL", "DAIOUT"}, \
  905. {name, "DAIR", "DAIOUT"}
  906. #define DA7219_OUT_DAC_MUX_ROUTES(name) \
  907. {name, "ADC", "Mixer In"}, \
  908. {name, "Tone Generator", "Tone Generator"}, \
  909. {name, "DAIL", "DAIIN"}, \
  910. {name, "DAIR", "DAIIN"}
  911. /*
  912. * DAPM Mixer Routes
  913. */
  914. #define DA7219_DMIX_ST_ROUTES(name) \
  915. {name, "Out FilterL Switch", "Mixer Out FilterL"}, \
  916. {name, "Out FilterR Switch", "Mixer Out FilterR"}, \
  917. {name, "Sidetone Switch", "Sidetone Filter"}
  918. /*
  919. * DAPM audio route definition
  920. */
  921. static const struct snd_soc_dapm_route da7219_audio_map[] = {
  922. /* Input paths */
  923. {"MIC", NULL, "Mic Bias"},
  924. {"Mic PGA", NULL, "MIC"},
  925. {"Mixin PGA", NULL, "Mic PGA"},
  926. {"ADC", NULL, "Mixin PGA"},
  927. {"Mixer In", NULL, "Mixer In Supply"},
  928. {"Mixer In", "Mic Switch", "ADC"},
  929. {"Sidetone Filter", NULL, "Mixer In"},
  930. {"Tone Generator", NULL, "TONE"},
  931. DA7219_OUT_DAI_MUX_ROUTES("Out DAIL Mux"),
  932. DA7219_OUT_DAI_MUX_ROUTES("Out DAIR Mux"),
  933. {"DAIOUT", NULL, "Out DAIL Mux"},
  934. {"DAIOUT", NULL, "Out DAIR Mux"},
  935. {"DAIOUT", NULL, "DAI"},
  936. /* Output paths */
  937. {"DAIIN", NULL, "DAI"},
  938. DA7219_OUT_DAC_MUX_ROUTES("Out DACL Mux"),
  939. DA7219_OUT_DAC_MUX_ROUTES("Out DACR Mux"),
  940. {"Mixer Out FilterL", "DACL Switch", "Out DACL Mux"},
  941. {"Mixer Out FilterR", "DACR Switch", "Out DACR Mux"},
  942. DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterL"),
  943. DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterR"),
  944. {"DACL", NULL, "ST Mixer Out FilterL"},
  945. {"DACR", NULL, "ST Mixer Out FilterR"},
  946. {"Mixout Left PGA", NULL, "DACL"},
  947. {"Mixout Right PGA", NULL, "DACR"},
  948. {"HPL", NULL, "Mixout Left PGA"},
  949. {"HPR", NULL, "Mixout Right PGA"},
  950. {"HPL", NULL, "Headphone Left PGA"},
  951. {"HPR", NULL, "Headphone Right PGA"},
  952. {"HPL", NULL, "Charge Pump"},
  953. {"HPR", NULL, "Charge Pump"},
  954. };
  955. /*
  956. * DAI operations
  957. */
  958. static int da7219_set_dai_sysclk(struct snd_soc_dai *codec_dai,
  959. int clk_id, unsigned int freq, int dir)
  960. {
  961. struct snd_soc_component *component = codec_dai->component;
  962. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  963. int ret = 0;
  964. if ((da7219->clk_src == clk_id) && (da7219->mclk_rate == freq))
  965. return 0;
  966. if ((freq < 2000000) || (freq > 54000000)) {
  967. dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
  968. freq);
  969. return -EINVAL;
  970. }
  971. mutex_lock(&da7219->pll_lock);
  972. switch (clk_id) {
  973. case DA7219_CLKSRC_MCLK_SQR:
  974. snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
  975. DA7219_PLL_MCLK_SQR_EN_MASK,
  976. DA7219_PLL_MCLK_SQR_EN_MASK);
  977. break;
  978. case DA7219_CLKSRC_MCLK:
  979. snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
  980. DA7219_PLL_MCLK_SQR_EN_MASK, 0);
  981. break;
  982. default:
  983. dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
  984. mutex_unlock(&da7219->pll_lock);
  985. return -EINVAL;
  986. }
  987. da7219->clk_src = clk_id;
  988. if (da7219->mclk) {
  989. freq = clk_round_rate(da7219->mclk, freq);
  990. ret = clk_set_rate(da7219->mclk, freq);
  991. if (ret) {
  992. dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
  993. freq);
  994. mutex_unlock(&da7219->pll_lock);
  995. return ret;
  996. }
  997. }
  998. da7219->mclk_rate = freq;
  999. mutex_unlock(&da7219->pll_lock);
  1000. return 0;
  1001. }
  1002. int da7219_set_pll(struct snd_soc_component *component, int source, unsigned int fout)
  1003. {
  1004. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  1005. u8 pll_ctrl, indiv_bits, indiv;
  1006. u8 pll_frac_top, pll_frac_bot, pll_integer;
  1007. u32 freq_ref;
  1008. u64 frac_div;
  1009. /* Verify 2MHz - 54MHz MCLK provided, and set input divider */
  1010. if (da7219->mclk_rate < 2000000) {
  1011. dev_err(component->dev, "PLL input clock %d below valid range\n",
  1012. da7219->mclk_rate);
  1013. return -EINVAL;
  1014. } else if (da7219->mclk_rate <= 4500000) {
  1015. indiv_bits = DA7219_PLL_INDIV_2_TO_4_5_MHZ;
  1016. indiv = DA7219_PLL_INDIV_2_TO_4_5_MHZ_VAL;
  1017. } else if (da7219->mclk_rate <= 9000000) {
  1018. indiv_bits = DA7219_PLL_INDIV_4_5_TO_9_MHZ;
  1019. indiv = DA7219_PLL_INDIV_4_5_TO_9_MHZ_VAL;
  1020. } else if (da7219->mclk_rate <= 18000000) {
  1021. indiv_bits = DA7219_PLL_INDIV_9_TO_18_MHZ;
  1022. indiv = DA7219_PLL_INDIV_9_TO_18_MHZ_VAL;
  1023. } else if (da7219->mclk_rate <= 36000000) {
  1024. indiv_bits = DA7219_PLL_INDIV_18_TO_36_MHZ;
  1025. indiv = DA7219_PLL_INDIV_18_TO_36_MHZ_VAL;
  1026. } else if (da7219->mclk_rate <= 54000000) {
  1027. indiv_bits = DA7219_PLL_INDIV_36_TO_54_MHZ;
  1028. indiv = DA7219_PLL_INDIV_36_TO_54_MHZ_VAL;
  1029. } else {
  1030. dev_err(component->dev, "PLL input clock %d above valid range\n",
  1031. da7219->mclk_rate);
  1032. return -EINVAL;
  1033. }
  1034. freq_ref = (da7219->mclk_rate / indiv);
  1035. pll_ctrl = indiv_bits;
  1036. /* Configure PLL */
  1037. switch (source) {
  1038. case DA7219_SYSCLK_MCLK:
  1039. pll_ctrl |= DA7219_PLL_MODE_BYPASS;
  1040. snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
  1041. DA7219_PLL_INDIV_MASK |
  1042. DA7219_PLL_MODE_MASK, pll_ctrl);
  1043. return 0;
  1044. case DA7219_SYSCLK_PLL:
  1045. pll_ctrl |= DA7219_PLL_MODE_NORMAL;
  1046. break;
  1047. case DA7219_SYSCLK_PLL_SRM:
  1048. pll_ctrl |= DA7219_PLL_MODE_SRM;
  1049. break;
  1050. default:
  1051. dev_err(component->dev, "Invalid PLL config\n");
  1052. return -EINVAL;
  1053. }
  1054. /* Calculate dividers for PLL */
  1055. pll_integer = fout / freq_ref;
  1056. frac_div = (u64)(fout % freq_ref) * 8192ULL;
  1057. do_div(frac_div, freq_ref);
  1058. pll_frac_top = (frac_div >> DA7219_BYTE_SHIFT) & DA7219_BYTE_MASK;
  1059. pll_frac_bot = (frac_div) & DA7219_BYTE_MASK;
  1060. /* Write PLL config & dividers */
  1061. snd_soc_component_write(component, DA7219_PLL_FRAC_TOP, pll_frac_top);
  1062. snd_soc_component_write(component, DA7219_PLL_FRAC_BOT, pll_frac_bot);
  1063. snd_soc_component_write(component, DA7219_PLL_INTEGER, pll_integer);
  1064. snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
  1065. DA7219_PLL_INDIV_MASK | DA7219_PLL_MODE_MASK,
  1066. pll_ctrl);
  1067. return 0;
  1068. }
  1069. static int da7219_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
  1070. int source, unsigned int fref, unsigned int fout)
  1071. {
  1072. struct snd_soc_component *component = codec_dai->component;
  1073. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  1074. int ret;
  1075. mutex_lock(&da7219->pll_lock);
  1076. ret = da7219_set_pll(component, source, fout);
  1077. mutex_unlock(&da7219->pll_lock);
  1078. return ret;
  1079. }
  1080. static int da7219_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
  1081. {
  1082. struct snd_soc_component *component = codec_dai->component;
  1083. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  1084. u8 dai_clk_mode = 0, dai_ctrl = 0;
  1085. switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
  1086. case SND_SOC_DAIFMT_CBM_CFM:
  1087. da7219->master = true;
  1088. break;
  1089. case SND_SOC_DAIFMT_CBS_CFS:
  1090. da7219->master = false;
  1091. break;
  1092. default:
  1093. return -EINVAL;
  1094. }
  1095. switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
  1096. case SND_SOC_DAIFMT_I2S:
  1097. case SND_SOC_DAIFMT_LEFT_J:
  1098. case SND_SOC_DAIFMT_RIGHT_J:
  1099. switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
  1100. case SND_SOC_DAIFMT_NB_NF:
  1101. break;
  1102. case SND_SOC_DAIFMT_NB_IF:
  1103. dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
  1104. break;
  1105. case SND_SOC_DAIFMT_IB_NF:
  1106. dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
  1107. break;
  1108. case SND_SOC_DAIFMT_IB_IF:
  1109. dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
  1110. DA7219_DAI_CLK_POL_INV;
  1111. break;
  1112. default:
  1113. return -EINVAL;
  1114. }
  1115. break;
  1116. case SND_SOC_DAIFMT_DSP_B:
  1117. switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
  1118. case SND_SOC_DAIFMT_NB_NF:
  1119. dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
  1120. break;
  1121. case SND_SOC_DAIFMT_NB_IF:
  1122. dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
  1123. DA7219_DAI_CLK_POL_INV;
  1124. break;
  1125. case SND_SOC_DAIFMT_IB_NF:
  1126. break;
  1127. case SND_SOC_DAIFMT_IB_IF:
  1128. dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
  1129. break;
  1130. default:
  1131. return -EINVAL;
  1132. }
  1133. break;
  1134. default:
  1135. return -EINVAL;
  1136. }
  1137. switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
  1138. case SND_SOC_DAIFMT_I2S:
  1139. dai_ctrl |= DA7219_DAI_FORMAT_I2S;
  1140. break;
  1141. case SND_SOC_DAIFMT_LEFT_J:
  1142. dai_ctrl |= DA7219_DAI_FORMAT_LEFT_J;
  1143. break;
  1144. case SND_SOC_DAIFMT_RIGHT_J:
  1145. dai_ctrl |= DA7219_DAI_FORMAT_RIGHT_J;
  1146. break;
  1147. case SND_SOC_DAIFMT_DSP_B:
  1148. dai_ctrl |= DA7219_DAI_FORMAT_DSP;
  1149. break;
  1150. default:
  1151. return -EINVAL;
  1152. }
  1153. snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
  1154. DA7219_DAI_CLK_POL_MASK | DA7219_DAI_WCLK_POL_MASK,
  1155. dai_clk_mode);
  1156. snd_soc_component_update_bits(component, DA7219_DAI_CTRL, DA7219_DAI_FORMAT_MASK,
  1157. dai_ctrl);
  1158. return 0;
  1159. }
  1160. static int da7219_set_bclks_per_wclk(struct snd_soc_component *component,
  1161. unsigned long factor)
  1162. {
  1163. u8 bclks_per_wclk;
  1164. switch (factor) {
  1165. case 32:
  1166. bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_32;
  1167. break;
  1168. case 64:
  1169. bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_64;
  1170. break;
  1171. case 128:
  1172. bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_128;
  1173. break;
  1174. case 256:
  1175. bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_256;
  1176. break;
  1177. default:
  1178. return -EINVAL;
  1179. }
  1180. snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
  1181. DA7219_DAI_BCLKS_PER_WCLK_MASK,
  1182. bclks_per_wclk);
  1183. return 0;
  1184. }
  1185. static int da7219_set_dai_tdm_slot(struct snd_soc_dai *dai,
  1186. unsigned int tx_mask, unsigned int rx_mask,
  1187. int slots, int slot_width)
  1188. {
  1189. struct snd_soc_component *component = dai->component;
  1190. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  1191. struct clk *wclk = da7219->dai_clks[DA7219_DAI_WCLK_IDX];
  1192. struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX];
  1193. unsigned int ch_mask;
  1194. unsigned long sr, bclk_rate;
  1195. u8 slot_offset;
  1196. u16 offset;
  1197. __le16 dai_offset;
  1198. u32 frame_size;
  1199. int ret;
  1200. /* No channels enabled so disable TDM */
  1201. if (!tx_mask) {
  1202. snd_soc_component_update_bits(component, DA7219_DAI_TDM_CTRL,
  1203. DA7219_DAI_TDM_CH_EN_MASK |
  1204. DA7219_DAI_TDM_MODE_EN_MASK, 0);
  1205. da7219->tdm_en = false;
  1206. return 0;
  1207. }
  1208. /* Check we have valid slots */
  1209. slot_offset = ffs(tx_mask) - 1;
  1210. ch_mask = (tx_mask >> slot_offset);
  1211. if (fls(ch_mask) > DA7219_DAI_TDM_MAX_SLOTS) {
  1212. dev_err(component->dev,
  1213. "Invalid number of slots, max = %d\n",
  1214. DA7219_DAI_TDM_MAX_SLOTS);
  1215. return -EINVAL;
  1216. }
  1217. /*
  1218. * Ensure we have a valid offset into the frame, based on slot width
  1219. * and slot offset of first slot we're interested in.
  1220. */
  1221. offset = slot_offset * slot_width;
  1222. if (offset > DA7219_DAI_OFFSET_MAX) {
  1223. dev_err(component->dev, "Invalid frame offset %d\n", offset);
  1224. return -EINVAL;
  1225. }
  1226. /*
  1227. * If we're master, calculate & validate frame size based on slot info
  1228. * provided as we have a limited set of rates available.
  1229. */
  1230. if (da7219->master) {
  1231. frame_size = slots * slot_width;
  1232. if (bclk) {
  1233. sr = clk_get_rate(wclk);
  1234. bclk_rate = sr * frame_size;
  1235. ret = clk_set_rate(bclk, bclk_rate);
  1236. if (ret) {
  1237. dev_err(component->dev,
  1238. "Failed to set TDM BCLK rate %lu: %d\n",
  1239. bclk_rate, ret);
  1240. return ret;
  1241. }
  1242. } else {
  1243. ret = da7219_set_bclks_per_wclk(component, frame_size);
  1244. if (ret) {
  1245. dev_err(component->dev,
  1246. "Failed to set TDM BCLKs per WCLK %d: %d\n",
  1247. frame_size, ret);
  1248. return ret;
  1249. }
  1250. }
  1251. }
  1252. dai_offset = cpu_to_le16(offset);
  1253. regmap_bulk_write(da7219->regmap, DA7219_DAI_OFFSET_LOWER,
  1254. &dai_offset, sizeof(dai_offset));
  1255. snd_soc_component_update_bits(component, DA7219_DAI_TDM_CTRL,
  1256. DA7219_DAI_TDM_CH_EN_MASK |
  1257. DA7219_DAI_TDM_MODE_EN_MASK,
  1258. (ch_mask << DA7219_DAI_TDM_CH_EN_SHIFT) |
  1259. DA7219_DAI_TDM_MODE_EN_MASK);
  1260. da7219->tdm_en = true;
  1261. return 0;
  1262. }
  1263. static int da7219_set_sr(struct snd_soc_component *component,
  1264. unsigned long rate)
  1265. {
  1266. u8 fs;
  1267. switch (rate) {
  1268. case 8000:
  1269. fs = DA7219_SR_8000;
  1270. break;
  1271. case 11025:
  1272. fs = DA7219_SR_11025;
  1273. break;
  1274. case 12000:
  1275. fs = DA7219_SR_12000;
  1276. break;
  1277. case 16000:
  1278. fs = DA7219_SR_16000;
  1279. break;
  1280. case 22050:
  1281. fs = DA7219_SR_22050;
  1282. break;
  1283. case 24000:
  1284. fs = DA7219_SR_24000;
  1285. break;
  1286. case 32000:
  1287. fs = DA7219_SR_32000;
  1288. break;
  1289. case 44100:
  1290. fs = DA7219_SR_44100;
  1291. break;
  1292. case 48000:
  1293. fs = DA7219_SR_48000;
  1294. break;
  1295. case 88200:
  1296. fs = DA7219_SR_88200;
  1297. break;
  1298. case 96000:
  1299. fs = DA7219_SR_96000;
  1300. break;
  1301. default:
  1302. return -EINVAL;
  1303. }
  1304. snd_soc_component_write(component, DA7219_SR, fs);
  1305. return 0;
  1306. }
  1307. static int da7219_hw_params(struct snd_pcm_substream *substream,
  1308. struct snd_pcm_hw_params *params,
  1309. struct snd_soc_dai *dai)
  1310. {
  1311. struct snd_soc_component *component = dai->component;
  1312. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  1313. struct clk *wclk = da7219->dai_clks[DA7219_DAI_WCLK_IDX];
  1314. struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX];
  1315. u8 dai_ctrl = 0;
  1316. unsigned int channels;
  1317. unsigned long sr, bclk_rate;
  1318. int word_len = params_width(params);
  1319. int frame_size, ret;
  1320. switch (word_len) {
  1321. case 16:
  1322. dai_ctrl |= DA7219_DAI_WORD_LENGTH_S16_LE;
  1323. break;
  1324. case 20:
  1325. dai_ctrl |= DA7219_DAI_WORD_LENGTH_S20_LE;
  1326. break;
  1327. case 24:
  1328. dai_ctrl |= DA7219_DAI_WORD_LENGTH_S24_LE;
  1329. break;
  1330. case 32:
  1331. dai_ctrl |= DA7219_DAI_WORD_LENGTH_S32_LE;
  1332. break;
  1333. default:
  1334. return -EINVAL;
  1335. }
  1336. channels = params_channels(params);
  1337. if ((channels < 1) || (channels > DA7219_DAI_CH_NUM_MAX)) {
  1338. dev_err(component->dev,
  1339. "Invalid number of channels, only 1 to %d supported\n",
  1340. DA7219_DAI_CH_NUM_MAX);
  1341. return -EINVAL;
  1342. }
  1343. dai_ctrl |= channels << DA7219_DAI_CH_NUM_SHIFT;
  1344. sr = params_rate(params);
  1345. if (da7219->master && wclk) {
  1346. ret = clk_set_rate(wclk, sr);
  1347. if (ret) {
  1348. dev_err(component->dev,
  1349. "Failed to set WCLK SR %lu: %d\n", sr, ret);
  1350. return ret;
  1351. }
  1352. } else {
  1353. ret = da7219_set_sr(component, sr);
  1354. if (ret) {
  1355. dev_err(component->dev,
  1356. "Failed to set SR %lu: %d\n", sr, ret);
  1357. return ret;
  1358. }
  1359. }
  1360. /*
  1361. * If we're master, then we have a limited set of BCLK rates we
  1362. * support. For slave mode this isn't the case and the codec can detect
  1363. * the BCLK rate automatically.
  1364. */
  1365. if (da7219->master && !da7219->tdm_en) {
  1366. if ((word_len * DA7219_DAI_CH_NUM_MAX) <= 32)
  1367. frame_size = 32;
  1368. else
  1369. frame_size = 64;
  1370. if (bclk) {
  1371. bclk_rate = frame_size * sr;
  1372. /*
  1373. * Rounding the rate here avoids failure trying to set a
  1374. * new rate on an already enabled bclk. In that
  1375. * instance this will just set the same rate as is
  1376. * currently in use, and so should continue without
  1377. * problem, as long as the BCLK rate is suitable for the
  1378. * desired frame size.
  1379. */
  1380. bclk_rate = clk_round_rate(bclk, bclk_rate);
  1381. if ((bclk_rate / sr) < frame_size) {
  1382. dev_err(component->dev,
  1383. "BCLK rate mismatch against frame size");
  1384. return -EINVAL;
  1385. }
  1386. ret = clk_set_rate(bclk, bclk_rate);
  1387. if (ret) {
  1388. dev_err(component->dev,
  1389. "Failed to set BCLK rate %lu: %d\n",
  1390. bclk_rate, ret);
  1391. return ret;
  1392. }
  1393. } else {
  1394. ret = da7219_set_bclks_per_wclk(component, frame_size);
  1395. if (ret) {
  1396. dev_err(component->dev,
  1397. "Failed to set BCLKs per WCLK %d: %d\n",
  1398. frame_size, ret);
  1399. return ret;
  1400. }
  1401. }
  1402. }
  1403. snd_soc_component_update_bits(component, DA7219_DAI_CTRL,
  1404. DA7219_DAI_WORD_LENGTH_MASK |
  1405. DA7219_DAI_CH_NUM_MASK,
  1406. dai_ctrl);
  1407. return 0;
  1408. }
  1409. static const struct snd_soc_dai_ops da7219_dai_ops = {
  1410. .hw_params = da7219_hw_params,
  1411. .set_sysclk = da7219_set_dai_sysclk,
  1412. .set_pll = da7219_set_dai_pll,
  1413. .set_fmt = da7219_set_dai_fmt,
  1414. .set_tdm_slot = da7219_set_dai_tdm_slot,
  1415. };
  1416. #define DA7219_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
  1417. SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
  1418. #define DA7219_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
  1419. SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
  1420. SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
  1421. SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
  1422. SNDRV_PCM_RATE_96000)
  1423. static struct snd_soc_dai_driver da7219_dai = {
  1424. .name = "da7219-hifi",
  1425. .playback = {
  1426. .stream_name = "Playback",
  1427. .channels_min = 1,
  1428. .channels_max = DA7219_DAI_CH_NUM_MAX,
  1429. .rates = DA7219_RATES,
  1430. .formats = DA7219_FORMATS,
  1431. },
  1432. .capture = {
  1433. .stream_name = "Capture",
  1434. .channels_min = 1,
  1435. .channels_max = DA7219_DAI_CH_NUM_MAX,
  1436. .rates = DA7219_RATES,
  1437. .formats = DA7219_FORMATS,
  1438. },
  1439. .ops = &da7219_dai_ops,
  1440. .symmetric_rates = 1,
  1441. .symmetric_channels = 1,
  1442. .symmetric_samplebits = 1,
  1443. };
  1444. /*
  1445. * DT/ACPI
  1446. */
  1447. static const struct of_device_id da7219_of_match[] = {
  1448. { .compatible = "dlg,da7219", },
  1449. { }
  1450. };
  1451. MODULE_DEVICE_TABLE(of, da7219_of_match);
  1452. #ifdef CONFIG_ACPI
  1453. static const struct acpi_device_id da7219_acpi_match[] = {
  1454. { .id = "DLGS7219", },
  1455. { }
  1456. };
  1457. MODULE_DEVICE_TABLE(acpi, da7219_acpi_match);
  1458. #endif
  1459. static enum da7219_micbias_voltage
  1460. da7219_fw_micbias_lvl(struct device *dev, u32 val)
  1461. {
  1462. switch (val) {
  1463. case 1600:
  1464. return DA7219_MICBIAS_1_6V;
  1465. case 1800:
  1466. return DA7219_MICBIAS_1_8V;
  1467. case 2000:
  1468. return DA7219_MICBIAS_2_0V;
  1469. case 2200:
  1470. return DA7219_MICBIAS_2_2V;
  1471. case 2400:
  1472. return DA7219_MICBIAS_2_4V;
  1473. case 2600:
  1474. return DA7219_MICBIAS_2_6V;
  1475. default:
  1476. dev_warn(dev, "Invalid micbias level");
  1477. return DA7219_MICBIAS_2_2V;
  1478. }
  1479. }
  1480. static enum da7219_mic_amp_in_sel
  1481. da7219_fw_mic_amp_in_sel(struct device *dev, const char *str)
  1482. {
  1483. if (!strcmp(str, "diff")) {
  1484. return DA7219_MIC_AMP_IN_SEL_DIFF;
  1485. } else if (!strcmp(str, "se_p")) {
  1486. return DA7219_MIC_AMP_IN_SEL_SE_P;
  1487. } else if (!strcmp(str, "se_n")) {
  1488. return DA7219_MIC_AMP_IN_SEL_SE_N;
  1489. } else {
  1490. dev_warn(dev, "Invalid mic input type selection");
  1491. return DA7219_MIC_AMP_IN_SEL_DIFF;
  1492. }
  1493. }
  1494. static struct da7219_pdata *da7219_fw_to_pdata(struct device *dev)
  1495. {
  1496. struct da7219_pdata *pdata;
  1497. const char *of_str;
  1498. u32 of_val32;
  1499. pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
  1500. if (!pdata)
  1501. return NULL;
  1502. pdata->wakeup_source = device_property_read_bool(dev, "wakeup-source");
  1503. pdata->dai_clk_names[DA7219_DAI_WCLK_IDX] = "da7219-dai-wclk";
  1504. pdata->dai_clk_names[DA7219_DAI_BCLK_IDX] = "da7219-dai-bclk";
  1505. if (device_property_read_string_array(dev, "clock-output-names",
  1506. pdata->dai_clk_names,
  1507. DA7219_DAI_NUM_CLKS) < 0)
  1508. dev_warn(dev, "Using default DAI clk names: %s, %s\n",
  1509. pdata->dai_clk_names[DA7219_DAI_WCLK_IDX],
  1510. pdata->dai_clk_names[DA7219_DAI_BCLK_IDX]);
  1511. if (device_property_read_u32(dev, "dlg,micbias-lvl", &of_val32) >= 0)
  1512. pdata->micbias_lvl = da7219_fw_micbias_lvl(dev, of_val32);
  1513. else
  1514. pdata->micbias_lvl = DA7219_MICBIAS_2_2V;
  1515. if (!device_property_read_string(dev, "dlg,mic-amp-in-sel", &of_str))
  1516. pdata->mic_amp_in_sel = da7219_fw_mic_amp_in_sel(dev, of_str);
  1517. else
  1518. pdata->mic_amp_in_sel = DA7219_MIC_AMP_IN_SEL_DIFF;
  1519. return pdata;
  1520. }
  1521. /*
  1522. * Codec driver functions
  1523. */
  1524. static int da7219_set_bias_level(struct snd_soc_component *component,
  1525. enum snd_soc_bias_level level)
  1526. {
  1527. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  1528. int ret;
  1529. switch (level) {
  1530. case SND_SOC_BIAS_ON:
  1531. break;
  1532. case SND_SOC_BIAS_PREPARE:
  1533. /* Enable MCLK for transition to ON state */
  1534. if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY) {
  1535. if (da7219->mclk) {
  1536. ret = clk_prepare_enable(da7219->mclk);
  1537. if (ret) {
  1538. dev_err(component->dev,
  1539. "Failed to enable mclk\n");
  1540. return ret;
  1541. }
  1542. }
  1543. }
  1544. break;
  1545. case SND_SOC_BIAS_STANDBY:
  1546. if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
  1547. /* Master bias */
  1548. snd_soc_component_update_bits(component, DA7219_REFERENCES,
  1549. DA7219_BIAS_EN_MASK,
  1550. DA7219_BIAS_EN_MASK);
  1551. if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_PREPARE) {
  1552. /* Remove MCLK */
  1553. if (da7219->mclk)
  1554. clk_disable_unprepare(da7219->mclk);
  1555. }
  1556. break;
  1557. case SND_SOC_BIAS_OFF:
  1558. /* Only disable master bias if we're not a wake-up source */
  1559. if (!da7219->wakeup_source)
  1560. snd_soc_component_update_bits(component, DA7219_REFERENCES,
  1561. DA7219_BIAS_EN_MASK, 0);
  1562. break;
  1563. }
  1564. return 0;
  1565. }
  1566. static const char *da7219_supply_names[DA7219_NUM_SUPPLIES] = {
  1567. [DA7219_SUPPLY_VDD] = "VDD",
  1568. [DA7219_SUPPLY_VDDMIC] = "VDDMIC",
  1569. [DA7219_SUPPLY_VDDIO] = "VDDIO",
  1570. };
  1571. static int da7219_handle_supplies(struct snd_soc_component *component,
  1572. u8 *io_voltage_lvl)
  1573. {
  1574. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  1575. struct regulator *vddio;
  1576. int i, ret;
  1577. /* Get required supplies */
  1578. for (i = 0; i < DA7219_NUM_SUPPLIES; ++i)
  1579. da7219->supplies[i].supply = da7219_supply_names[i];
  1580. ret = regulator_bulk_get(component->dev, DA7219_NUM_SUPPLIES,
  1581. da7219->supplies);
  1582. if (ret) {
  1583. dev_err(component->dev, "Failed to get supplies");
  1584. return ret;
  1585. }
  1586. /* Default to upper range */
  1587. *io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_2_5V_3_6V;
  1588. /* Determine VDDIO voltage provided */
  1589. vddio = da7219->supplies[DA7219_SUPPLY_VDDIO].consumer;
  1590. ret = regulator_get_voltage(vddio);
  1591. if (ret < 1200000)
  1592. dev_warn(component->dev, "Invalid VDDIO voltage\n");
  1593. else if (ret < 2800000)
  1594. *io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_1_2V_2_8V;
  1595. /* Enable main supplies */
  1596. ret = regulator_bulk_enable(DA7219_NUM_SUPPLIES, da7219->supplies);
  1597. if (ret) {
  1598. dev_err(component->dev, "Failed to enable supplies");
  1599. regulator_bulk_free(DA7219_NUM_SUPPLIES, da7219->supplies);
  1600. return ret;
  1601. }
  1602. return 0;
  1603. }
  1604. #ifdef CONFIG_COMMON_CLK
  1605. static int da7219_wclk_prepare(struct clk_hw *hw)
  1606. {
  1607. struct da7219_priv *da7219 =
  1608. container_of(hw, struct da7219_priv,
  1609. dai_clks_hw[DA7219_DAI_WCLK_IDX]);
  1610. struct snd_soc_component *component = da7219->component;
  1611. if (!da7219->master)
  1612. return -EINVAL;
  1613. snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
  1614. DA7219_DAI_CLK_EN_MASK,
  1615. DA7219_DAI_CLK_EN_MASK);
  1616. return 0;
  1617. }
  1618. static void da7219_wclk_unprepare(struct clk_hw *hw)
  1619. {
  1620. struct da7219_priv *da7219 =
  1621. container_of(hw, struct da7219_priv,
  1622. dai_clks_hw[DA7219_DAI_WCLK_IDX]);
  1623. struct snd_soc_component *component = da7219->component;
  1624. if (!da7219->master)
  1625. return;
  1626. snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
  1627. DA7219_DAI_CLK_EN_MASK, 0);
  1628. }
  1629. static int da7219_wclk_is_prepared(struct clk_hw *hw)
  1630. {
  1631. struct da7219_priv *da7219 =
  1632. container_of(hw, struct da7219_priv,
  1633. dai_clks_hw[DA7219_DAI_WCLK_IDX]);
  1634. struct snd_soc_component *component = da7219->component;
  1635. u8 clk_reg;
  1636. if (!da7219->master)
  1637. return -EINVAL;
  1638. clk_reg = snd_soc_component_read(component, DA7219_DAI_CLK_MODE);
  1639. return !!(clk_reg & DA7219_DAI_CLK_EN_MASK);
  1640. }
  1641. static unsigned long da7219_wclk_recalc_rate(struct clk_hw *hw,
  1642. unsigned long parent_rate)
  1643. {
  1644. struct da7219_priv *da7219 =
  1645. container_of(hw, struct da7219_priv,
  1646. dai_clks_hw[DA7219_DAI_WCLK_IDX]);
  1647. struct snd_soc_component *component = da7219->component;
  1648. u8 fs = snd_soc_component_read(component, DA7219_SR);
  1649. switch (fs & DA7219_SR_MASK) {
  1650. case DA7219_SR_8000:
  1651. return 8000;
  1652. case DA7219_SR_11025:
  1653. return 11025;
  1654. case DA7219_SR_12000:
  1655. return 12000;
  1656. case DA7219_SR_16000:
  1657. return 16000;
  1658. case DA7219_SR_22050:
  1659. return 22050;
  1660. case DA7219_SR_24000:
  1661. return 24000;
  1662. case DA7219_SR_32000:
  1663. return 32000;
  1664. case DA7219_SR_44100:
  1665. return 44100;
  1666. case DA7219_SR_48000:
  1667. return 48000;
  1668. case DA7219_SR_88200:
  1669. return 88200;
  1670. case DA7219_SR_96000:
  1671. return 96000;
  1672. default:
  1673. return 0;
  1674. }
  1675. }
  1676. static long da7219_wclk_round_rate(struct clk_hw *hw, unsigned long rate,
  1677. unsigned long *parent_rate)
  1678. {
  1679. struct da7219_priv *da7219 =
  1680. container_of(hw, struct da7219_priv,
  1681. dai_clks_hw[DA7219_DAI_WCLK_IDX]);
  1682. if (!da7219->master)
  1683. return -EINVAL;
  1684. if (rate < 11025)
  1685. return 8000;
  1686. else if (rate < 12000)
  1687. return 11025;
  1688. else if (rate < 16000)
  1689. return 12000;
  1690. else if (rate < 22050)
  1691. return 16000;
  1692. else if (rate < 24000)
  1693. return 22050;
  1694. else if (rate < 32000)
  1695. return 24000;
  1696. else if (rate < 44100)
  1697. return 32000;
  1698. else if (rate < 48000)
  1699. return 44100;
  1700. else if (rate < 88200)
  1701. return 48000;
  1702. else if (rate < 96000)
  1703. return 88200;
  1704. else
  1705. return 96000;
  1706. }
  1707. static int da7219_wclk_set_rate(struct clk_hw *hw, unsigned long rate,
  1708. unsigned long parent_rate)
  1709. {
  1710. struct da7219_priv *da7219 =
  1711. container_of(hw, struct da7219_priv,
  1712. dai_clks_hw[DA7219_DAI_WCLK_IDX]);
  1713. struct snd_soc_component *component = da7219->component;
  1714. if (!da7219->master)
  1715. return -EINVAL;
  1716. return da7219_set_sr(component, rate);
  1717. }
  1718. static unsigned long da7219_bclk_recalc_rate(struct clk_hw *hw,
  1719. unsigned long parent_rate)
  1720. {
  1721. struct da7219_priv *da7219 =
  1722. container_of(hw, struct da7219_priv,
  1723. dai_clks_hw[DA7219_DAI_BCLK_IDX]);
  1724. struct snd_soc_component *component = da7219->component;
  1725. u8 bclks_per_wclk = snd_soc_component_read(component,
  1726. DA7219_DAI_CLK_MODE);
  1727. switch (bclks_per_wclk & DA7219_DAI_BCLKS_PER_WCLK_MASK) {
  1728. case DA7219_DAI_BCLKS_PER_WCLK_32:
  1729. return parent_rate * 32;
  1730. case DA7219_DAI_BCLKS_PER_WCLK_64:
  1731. return parent_rate * 64;
  1732. case DA7219_DAI_BCLKS_PER_WCLK_128:
  1733. return parent_rate * 128;
  1734. case DA7219_DAI_BCLKS_PER_WCLK_256:
  1735. return parent_rate * 256;
  1736. default:
  1737. return 0;
  1738. }
  1739. }
  1740. static unsigned long da7219_bclk_get_factor(unsigned long rate,
  1741. unsigned long parent_rate)
  1742. {
  1743. unsigned long factor;
  1744. factor = rate / parent_rate;
  1745. if (factor < 64)
  1746. return 32;
  1747. else if (factor < 128)
  1748. return 64;
  1749. else if (factor < 256)
  1750. return 128;
  1751. else
  1752. return 256;
  1753. }
  1754. static long da7219_bclk_round_rate(struct clk_hw *hw, unsigned long rate,
  1755. unsigned long *parent_rate)
  1756. {
  1757. struct da7219_priv *da7219 =
  1758. container_of(hw, struct da7219_priv,
  1759. dai_clks_hw[DA7219_DAI_BCLK_IDX]);
  1760. unsigned long factor;
  1761. if (!*parent_rate || !da7219->master)
  1762. return -EINVAL;
  1763. /*
  1764. * We don't allow changing the parent rate as some BCLK rates can be
  1765. * derived from multiple parent WCLK rates (BCLK rates are set as a
  1766. * multiplier of WCLK in HW). We just do some rounding down based on the
  1767. * parent WCLK rate set and find the appropriate multiplier of BCLK to
  1768. * get the rounded down BCLK value.
  1769. */
  1770. factor = da7219_bclk_get_factor(rate, *parent_rate);
  1771. return *parent_rate * factor;
  1772. }
  1773. static int da7219_bclk_set_rate(struct clk_hw *hw, unsigned long rate,
  1774. unsigned long parent_rate)
  1775. {
  1776. struct da7219_priv *da7219 =
  1777. container_of(hw, struct da7219_priv,
  1778. dai_clks_hw[DA7219_DAI_BCLK_IDX]);
  1779. struct snd_soc_component *component = da7219->component;
  1780. unsigned long factor;
  1781. if (!da7219->master)
  1782. return -EINVAL;
  1783. factor = da7219_bclk_get_factor(rate, parent_rate);
  1784. return da7219_set_bclks_per_wclk(component, factor);
  1785. }
  1786. static const struct clk_ops da7219_dai_clk_ops[DA7219_DAI_NUM_CLKS] = {
  1787. [DA7219_DAI_WCLK_IDX] = {
  1788. .prepare = da7219_wclk_prepare,
  1789. .unprepare = da7219_wclk_unprepare,
  1790. .is_prepared = da7219_wclk_is_prepared,
  1791. .recalc_rate = da7219_wclk_recalc_rate,
  1792. .round_rate = da7219_wclk_round_rate,
  1793. .set_rate = da7219_wclk_set_rate,
  1794. },
  1795. [DA7219_DAI_BCLK_IDX] = {
  1796. .recalc_rate = da7219_bclk_recalc_rate,
  1797. .round_rate = da7219_bclk_round_rate,
  1798. .set_rate = da7219_bclk_set_rate,
  1799. },
  1800. };
  1801. static int da7219_register_dai_clks(struct snd_soc_component *component)
  1802. {
  1803. struct device *dev = component->dev;
  1804. struct device_node *np = dev->of_node;
  1805. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  1806. struct da7219_pdata *pdata = da7219->pdata;
  1807. const char *parent_name;
  1808. struct clk_hw_onecell_data *clk_data;
  1809. int i, ret;
  1810. /* For DT platforms allocate onecell data for clock registration */
  1811. if (np) {
  1812. clk_data = kzalloc(struct_size(clk_data, hws, DA7219_DAI_NUM_CLKS),
  1813. GFP_KERNEL);
  1814. if (!clk_data)
  1815. return -ENOMEM;
  1816. clk_data->num = DA7219_DAI_NUM_CLKS;
  1817. da7219->clk_hw_data = clk_data;
  1818. }
  1819. for (i = 0; i < DA7219_DAI_NUM_CLKS; ++i) {
  1820. struct clk_init_data init = {};
  1821. struct clk_lookup *dai_clk_lookup;
  1822. struct clk_hw *dai_clk_hw = &da7219->dai_clks_hw[i];
  1823. switch (i) {
  1824. case DA7219_DAI_WCLK_IDX:
  1825. /*
  1826. * If we can, make MCLK the parent of WCLK to ensure
  1827. * it's enabled as required.
  1828. */
  1829. if (da7219->mclk) {
  1830. parent_name = __clk_get_name(da7219->mclk);
  1831. init.parent_names = &parent_name;
  1832. init.num_parents = 1;
  1833. } else {
  1834. init.parent_names = NULL;
  1835. init.num_parents = 0;
  1836. }
  1837. break;
  1838. case DA7219_DAI_BCLK_IDX:
  1839. /* Make WCLK the parent of BCLK */
  1840. parent_name = __clk_get_name(da7219->dai_clks[DA7219_DAI_WCLK_IDX]);
  1841. init.parent_names = &parent_name;
  1842. init.num_parents = 1;
  1843. break;
  1844. default:
  1845. dev_err(dev, "Invalid clock index\n");
  1846. ret = -EINVAL;
  1847. goto err;
  1848. }
  1849. init.name = pdata->dai_clk_names[i];
  1850. init.ops = &da7219_dai_clk_ops[i];
  1851. init.flags = CLK_GET_RATE_NOCACHE | CLK_SET_RATE_GATE;
  1852. dai_clk_hw->init = &init;
  1853. ret = clk_hw_register(dev, dai_clk_hw);
  1854. if (ret) {
  1855. dev_warn(dev, "Failed to register %s: %d\n", init.name,
  1856. ret);
  1857. goto err;
  1858. }
  1859. da7219->dai_clks[i] = dai_clk_hw->clk;
  1860. /* For DT setup onecell data, otherwise create lookup */
  1861. if (np) {
  1862. da7219->clk_hw_data->hws[i] = dai_clk_hw;
  1863. } else {
  1864. dai_clk_lookup = clkdev_hw_create(dai_clk_hw, init.name,
  1865. "%s", dev_name(dev));
  1866. if (!dai_clk_lookup) {
  1867. ret = -ENOMEM;
  1868. goto err;
  1869. } else {
  1870. da7219->dai_clks_lookup[i] = dai_clk_lookup;
  1871. }
  1872. }
  1873. }
  1874. /* If we're using DT, then register as provider accordingly */
  1875. if (np) {
  1876. ret = of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get,
  1877. da7219->clk_hw_data);
  1878. if (ret) {
  1879. dev_err(dev, "Failed to register clock provider\n");
  1880. goto err;
  1881. }
  1882. }
  1883. return 0;
  1884. err:
  1885. do {
  1886. if (da7219->dai_clks_lookup[i])
  1887. clkdev_drop(da7219->dai_clks_lookup[i]);
  1888. clk_hw_unregister(&da7219->dai_clks_hw[i]);
  1889. } while (i-- > 0);
  1890. if (np)
  1891. kfree(da7219->clk_hw_data);
  1892. return ret;
  1893. }
  1894. static void da7219_free_dai_clks(struct snd_soc_component *component)
  1895. {
  1896. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  1897. struct device_node *np = component->dev->of_node;
  1898. int i;
  1899. if (np)
  1900. of_clk_del_provider(np);
  1901. for (i = DA7219_DAI_NUM_CLKS - 1; i >= 0; --i) {
  1902. if (da7219->dai_clks_lookup[i])
  1903. clkdev_drop(da7219->dai_clks_lookup[i]);
  1904. clk_hw_unregister(&da7219->dai_clks_hw[i]);
  1905. }
  1906. if (np)
  1907. kfree(da7219->clk_hw_data);
  1908. }
  1909. #else
  1910. static inline int da7219_register_dai_clks(struct snd_soc_component *component)
  1911. {
  1912. return 0;
  1913. }
  1914. static void da7219_free_dai_clks(struct snd_soc_component *component) {}
  1915. #endif /* CONFIG_COMMON_CLK */
  1916. static void da7219_handle_pdata(struct snd_soc_component *component)
  1917. {
  1918. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  1919. struct da7219_pdata *pdata = da7219->pdata;
  1920. if (pdata) {
  1921. u8 micbias_lvl = 0;
  1922. da7219->wakeup_source = pdata->wakeup_source;
  1923. /* Mic Bias voltages */
  1924. switch (pdata->micbias_lvl) {
  1925. case DA7219_MICBIAS_1_6V:
  1926. case DA7219_MICBIAS_1_8V:
  1927. case DA7219_MICBIAS_2_0V:
  1928. case DA7219_MICBIAS_2_2V:
  1929. case DA7219_MICBIAS_2_4V:
  1930. case DA7219_MICBIAS_2_6V:
  1931. micbias_lvl |= (pdata->micbias_lvl <<
  1932. DA7219_MICBIAS1_LEVEL_SHIFT);
  1933. break;
  1934. }
  1935. snd_soc_component_write(component, DA7219_MICBIAS_CTRL, micbias_lvl);
  1936. /*
  1937. * Calculate delay required to compensate for DC offset in
  1938. * Mic PGA, based on Mic Bias voltage.
  1939. */
  1940. da7219->mic_pga_delay = DA7219_MIC_PGA_BASE_DELAY +
  1941. (pdata->micbias_lvl *
  1942. DA7219_MIC_PGA_OFFSET_DELAY);
  1943. /* Mic */
  1944. switch (pdata->mic_amp_in_sel) {
  1945. case DA7219_MIC_AMP_IN_SEL_DIFF:
  1946. case DA7219_MIC_AMP_IN_SEL_SE_P:
  1947. case DA7219_MIC_AMP_IN_SEL_SE_N:
  1948. snd_soc_component_write(component, DA7219_MIC_1_SELECT,
  1949. pdata->mic_amp_in_sel);
  1950. break;
  1951. }
  1952. }
  1953. }
  1954. /*
  1955. * Regmap configs
  1956. */
  1957. static struct reg_default da7219_reg_defaults[] = {
  1958. { DA7219_MIC_1_SELECT, 0x00 },
  1959. { DA7219_CIF_TIMEOUT_CTRL, 0x01 },
  1960. { DA7219_SR_24_48, 0x00 },
  1961. { DA7219_SR, 0x0A },
  1962. { DA7219_CIF_I2C_ADDR_CFG, 0x02 },
  1963. { DA7219_PLL_CTRL, 0x10 },
  1964. { DA7219_PLL_FRAC_TOP, 0x00 },
  1965. { DA7219_PLL_FRAC_BOT, 0x00 },
  1966. { DA7219_PLL_INTEGER, 0x20 },
  1967. { DA7219_DIG_ROUTING_DAI, 0x10 },
  1968. { DA7219_DAI_CLK_MODE, 0x01 },
  1969. { DA7219_DAI_CTRL, 0x28 },
  1970. { DA7219_DAI_TDM_CTRL, 0x40 },
  1971. { DA7219_DIG_ROUTING_DAC, 0x32 },
  1972. { DA7219_DAI_OFFSET_LOWER, 0x00 },
  1973. { DA7219_DAI_OFFSET_UPPER, 0x00 },
  1974. { DA7219_REFERENCES, 0x08 },
  1975. { DA7219_MIXIN_L_SELECT, 0x00 },
  1976. { DA7219_MIXIN_L_GAIN, 0x03 },
  1977. { DA7219_ADC_L_GAIN, 0x6F },
  1978. { DA7219_ADC_FILTERS1, 0x80 },
  1979. { DA7219_MIC_1_GAIN, 0x01 },
  1980. { DA7219_SIDETONE_CTRL, 0x40 },
  1981. { DA7219_SIDETONE_GAIN, 0x0E },
  1982. { DA7219_DROUTING_ST_OUTFILT_1L, 0x01 },
  1983. { DA7219_DROUTING_ST_OUTFILT_1R, 0x02 },
  1984. { DA7219_DAC_FILTERS5, 0x00 },
  1985. { DA7219_DAC_FILTERS2, 0x88 },
  1986. { DA7219_DAC_FILTERS3, 0x88 },
  1987. { DA7219_DAC_FILTERS4, 0x08 },
  1988. { DA7219_DAC_FILTERS1, 0x80 },
  1989. { DA7219_DAC_L_GAIN, 0x6F },
  1990. { DA7219_DAC_R_GAIN, 0x6F },
  1991. { DA7219_CP_CTRL, 0x20 },
  1992. { DA7219_HP_L_GAIN, 0x39 },
  1993. { DA7219_HP_R_GAIN, 0x39 },
  1994. { DA7219_MIXOUT_L_SELECT, 0x00 },
  1995. { DA7219_MIXOUT_R_SELECT, 0x00 },
  1996. { DA7219_MICBIAS_CTRL, 0x03 },
  1997. { DA7219_MIC_1_CTRL, 0x40 },
  1998. { DA7219_MIXIN_L_CTRL, 0x40 },
  1999. { DA7219_ADC_L_CTRL, 0x40 },
  2000. { DA7219_DAC_L_CTRL, 0x40 },
  2001. { DA7219_DAC_R_CTRL, 0x40 },
  2002. { DA7219_HP_L_CTRL, 0x40 },
  2003. { DA7219_HP_R_CTRL, 0x40 },
  2004. { DA7219_MIXOUT_L_CTRL, 0x10 },
  2005. { DA7219_MIXOUT_R_CTRL, 0x10 },
  2006. { DA7219_CHIP_ID1, 0x23 },
  2007. { DA7219_CHIP_ID2, 0x93 },
  2008. { DA7219_IO_CTRL, 0x00 },
  2009. { DA7219_GAIN_RAMP_CTRL, 0x00 },
  2010. { DA7219_PC_COUNT, 0x02 },
  2011. { DA7219_CP_VOL_THRESHOLD1, 0x0E },
  2012. { DA7219_DIG_CTRL, 0x00 },
  2013. { DA7219_ALC_CTRL2, 0x00 },
  2014. { DA7219_ALC_CTRL3, 0x00 },
  2015. { DA7219_ALC_NOISE, 0x3F },
  2016. { DA7219_ALC_TARGET_MIN, 0x3F },
  2017. { DA7219_ALC_TARGET_MAX, 0x00 },
  2018. { DA7219_ALC_GAIN_LIMITS, 0xFF },
  2019. { DA7219_ALC_ANA_GAIN_LIMITS, 0x71 },
  2020. { DA7219_ALC_ANTICLIP_CTRL, 0x00 },
  2021. { DA7219_ALC_ANTICLIP_LEVEL, 0x00 },
  2022. { DA7219_DAC_NG_SETUP_TIME, 0x00 },
  2023. { DA7219_DAC_NG_OFF_THRESH, 0x00 },
  2024. { DA7219_DAC_NG_ON_THRESH, 0x00 },
  2025. { DA7219_DAC_NG_CTRL, 0x00 },
  2026. { DA7219_TONE_GEN_CFG1, 0x00 },
  2027. { DA7219_TONE_GEN_CFG2, 0x00 },
  2028. { DA7219_TONE_GEN_CYCLES, 0x00 },
  2029. { DA7219_TONE_GEN_FREQ1_L, 0x55 },
  2030. { DA7219_TONE_GEN_FREQ1_U, 0x15 },
  2031. { DA7219_TONE_GEN_FREQ2_L, 0x00 },
  2032. { DA7219_TONE_GEN_FREQ2_U, 0x40 },
  2033. { DA7219_TONE_GEN_ON_PER, 0x02 },
  2034. { DA7219_TONE_GEN_OFF_PER, 0x01 },
  2035. { DA7219_ACCDET_IRQ_MASK_A, 0x00 },
  2036. { DA7219_ACCDET_IRQ_MASK_B, 0x00 },
  2037. { DA7219_ACCDET_CONFIG_1, 0xD6 },
  2038. { DA7219_ACCDET_CONFIG_2, 0x34 },
  2039. { DA7219_ACCDET_CONFIG_3, 0x0A },
  2040. { DA7219_ACCDET_CONFIG_4, 0x16 },
  2041. { DA7219_ACCDET_CONFIG_5, 0x21 },
  2042. { DA7219_ACCDET_CONFIG_6, 0x3E },
  2043. { DA7219_ACCDET_CONFIG_7, 0x01 },
  2044. { DA7219_SYSTEM_ACTIVE, 0x00 },
  2045. };
  2046. static bool da7219_volatile_register(struct device *dev, unsigned int reg)
  2047. {
  2048. switch (reg) {
  2049. case DA7219_MIC_1_GAIN_STATUS:
  2050. case DA7219_MIXIN_L_GAIN_STATUS:
  2051. case DA7219_ADC_L_GAIN_STATUS:
  2052. case DA7219_DAC_L_GAIN_STATUS:
  2053. case DA7219_DAC_R_GAIN_STATUS:
  2054. case DA7219_HP_L_GAIN_STATUS:
  2055. case DA7219_HP_R_GAIN_STATUS:
  2056. case DA7219_CIF_CTRL:
  2057. case DA7219_PLL_SRM_STS:
  2058. case DA7219_ALC_CTRL1:
  2059. case DA7219_SYSTEM_MODES_INPUT:
  2060. case DA7219_SYSTEM_MODES_OUTPUT:
  2061. case DA7219_ALC_OFFSET_AUTO_M_L:
  2062. case DA7219_ALC_OFFSET_AUTO_U_L:
  2063. case DA7219_TONE_GEN_CFG1:
  2064. case DA7219_ACCDET_STATUS_A:
  2065. case DA7219_ACCDET_STATUS_B:
  2066. case DA7219_ACCDET_IRQ_EVENT_A:
  2067. case DA7219_ACCDET_IRQ_EVENT_B:
  2068. case DA7219_ACCDET_CONFIG_8:
  2069. case DA7219_SYSTEM_STATUS:
  2070. return true;
  2071. default:
  2072. return false;
  2073. }
  2074. }
  2075. static const struct regmap_config da7219_regmap_config = {
  2076. .reg_bits = 8,
  2077. .val_bits = 8,
  2078. .max_register = DA7219_SYSTEM_ACTIVE,
  2079. .reg_defaults = da7219_reg_defaults,
  2080. .num_reg_defaults = ARRAY_SIZE(da7219_reg_defaults),
  2081. .volatile_reg = da7219_volatile_register,
  2082. .cache_type = REGCACHE_RBTREE,
  2083. };
  2084. static struct reg_sequence da7219_rev_aa_patch[] = {
  2085. { DA7219_REFERENCES, 0x08 },
  2086. };
  2087. static int da7219_probe(struct snd_soc_component *component)
  2088. {
  2089. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  2090. unsigned int system_active, system_status, rev;
  2091. u8 io_voltage_lvl;
  2092. int i, ret;
  2093. da7219->component = component;
  2094. mutex_init(&da7219->ctrl_lock);
  2095. mutex_init(&da7219->pll_lock);
  2096. /* Regulator configuration */
  2097. ret = da7219_handle_supplies(component, &io_voltage_lvl);
  2098. if (ret)
  2099. return ret;
  2100. regcache_cache_bypass(da7219->regmap, true);
  2101. /* Disable audio paths if still active from previous start */
  2102. regmap_read(da7219->regmap, DA7219_SYSTEM_ACTIVE, &system_active);
  2103. if (system_active) {
  2104. regmap_write(da7219->regmap, DA7219_GAIN_RAMP_CTRL,
  2105. DA7219_GAIN_RAMP_RATE_NOMINAL);
  2106. regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_INPUT, 0x00);
  2107. regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_OUTPUT, 0x01);
  2108. for (i = 0; i < DA7219_SYS_STAT_CHECK_RETRIES; ++i) {
  2109. regmap_read(da7219->regmap, DA7219_SYSTEM_STATUS,
  2110. &system_status);
  2111. if (!system_status)
  2112. break;
  2113. msleep(DA7219_SYS_STAT_CHECK_DELAY);
  2114. }
  2115. }
  2116. /* Soft reset component */
  2117. regmap_write_bits(da7219->regmap, DA7219_ACCDET_CONFIG_1,
  2118. DA7219_ACCDET_EN_MASK, 0);
  2119. regmap_write_bits(da7219->regmap, DA7219_CIF_CTRL,
  2120. DA7219_CIF_REG_SOFT_RESET_MASK,
  2121. DA7219_CIF_REG_SOFT_RESET_MASK);
  2122. regmap_write_bits(da7219->regmap, DA7219_SYSTEM_ACTIVE,
  2123. DA7219_SYSTEM_ACTIVE_MASK, 0);
  2124. regmap_write_bits(da7219->regmap, DA7219_SYSTEM_ACTIVE,
  2125. DA7219_SYSTEM_ACTIVE_MASK, 1);
  2126. regcache_cache_bypass(da7219->regmap, false);
  2127. regmap_reinit_cache(da7219->regmap, &da7219_regmap_config);
  2128. /* Update IO voltage level range based on supply level */
  2129. snd_soc_component_write(component, DA7219_IO_CTRL, io_voltage_lvl);
  2130. ret = regmap_read(da7219->regmap, DA7219_CHIP_REVISION, &rev);
  2131. if (ret) {
  2132. dev_err(component->dev, "Failed to read chip revision: %d\n", ret);
  2133. goto err_disable_reg;
  2134. }
  2135. switch (rev & DA7219_CHIP_MINOR_MASK) {
  2136. case 0:
  2137. ret = regmap_register_patch(da7219->regmap, da7219_rev_aa_patch,
  2138. ARRAY_SIZE(da7219_rev_aa_patch));
  2139. if (ret) {
  2140. dev_err(component->dev, "Failed to register AA patch: %d\n",
  2141. ret);
  2142. goto err_disable_reg;
  2143. }
  2144. break;
  2145. default:
  2146. break;
  2147. }
  2148. /* Handle DT/ACPI/Platform data */
  2149. da7219_handle_pdata(component);
  2150. /* Check if MCLK provided */
  2151. da7219->mclk = clk_get(component->dev, "mclk");
  2152. if (IS_ERR(da7219->mclk)) {
  2153. if (PTR_ERR(da7219->mclk) != -ENOENT) {
  2154. ret = PTR_ERR(da7219->mclk);
  2155. goto err_disable_reg;
  2156. } else {
  2157. da7219->mclk = NULL;
  2158. }
  2159. }
  2160. /* Register CCF DAI clock control */
  2161. ret = da7219_register_dai_clks(component);
  2162. if (ret)
  2163. goto err_put_clk;
  2164. /* Default PC counter to free-running */
  2165. snd_soc_component_update_bits(component, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK,
  2166. DA7219_PC_FREERUN_MASK);
  2167. /* Default gain ramping */
  2168. snd_soc_component_update_bits(component, DA7219_MIXIN_L_CTRL,
  2169. DA7219_MIXIN_L_AMP_RAMP_EN_MASK,
  2170. DA7219_MIXIN_L_AMP_RAMP_EN_MASK);
  2171. snd_soc_component_update_bits(component, DA7219_ADC_L_CTRL, DA7219_ADC_L_RAMP_EN_MASK,
  2172. DA7219_ADC_L_RAMP_EN_MASK);
  2173. snd_soc_component_update_bits(component, DA7219_DAC_L_CTRL, DA7219_DAC_L_RAMP_EN_MASK,
  2174. DA7219_DAC_L_RAMP_EN_MASK);
  2175. snd_soc_component_update_bits(component, DA7219_DAC_R_CTRL, DA7219_DAC_R_RAMP_EN_MASK,
  2176. DA7219_DAC_R_RAMP_EN_MASK);
  2177. snd_soc_component_update_bits(component, DA7219_HP_L_CTRL,
  2178. DA7219_HP_L_AMP_RAMP_EN_MASK,
  2179. DA7219_HP_L_AMP_RAMP_EN_MASK);
  2180. snd_soc_component_update_bits(component, DA7219_HP_R_CTRL,
  2181. DA7219_HP_R_AMP_RAMP_EN_MASK,
  2182. DA7219_HP_R_AMP_RAMP_EN_MASK);
  2183. /* Default minimum gain on HP to avoid pops during DAPM sequencing */
  2184. snd_soc_component_update_bits(component, DA7219_HP_L_CTRL,
  2185. DA7219_HP_L_AMP_MIN_GAIN_EN_MASK,
  2186. DA7219_HP_L_AMP_MIN_GAIN_EN_MASK);
  2187. snd_soc_component_update_bits(component, DA7219_HP_R_CTRL,
  2188. DA7219_HP_R_AMP_MIN_GAIN_EN_MASK,
  2189. DA7219_HP_R_AMP_MIN_GAIN_EN_MASK);
  2190. /* Default infinite tone gen, start/stop by Kcontrol */
  2191. snd_soc_component_write(component, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK);
  2192. /* Initialise AAD block */
  2193. ret = da7219_aad_init(component);
  2194. if (ret)
  2195. goto err_free_dai_clks;
  2196. return 0;
  2197. err_free_dai_clks:
  2198. da7219_free_dai_clks(component);
  2199. err_put_clk:
  2200. clk_put(da7219->mclk);
  2201. err_disable_reg:
  2202. regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
  2203. regulator_bulk_free(DA7219_NUM_SUPPLIES, da7219->supplies);
  2204. return ret;
  2205. }
  2206. static void da7219_remove(struct snd_soc_component *component)
  2207. {
  2208. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  2209. da7219_aad_exit(component);
  2210. da7219_free_dai_clks(component);
  2211. clk_put(da7219->mclk);
  2212. /* Supplies */
  2213. regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
  2214. regulator_bulk_free(DA7219_NUM_SUPPLIES, da7219->supplies);
  2215. }
  2216. #ifdef CONFIG_PM
  2217. static int da7219_suspend(struct snd_soc_component *component)
  2218. {
  2219. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  2220. /* Suspend AAD if we're not a wake-up source */
  2221. if (!da7219->wakeup_source)
  2222. da7219_aad_suspend(component);
  2223. snd_soc_component_force_bias_level(component, SND_SOC_BIAS_OFF);
  2224. return 0;
  2225. }
  2226. static int da7219_resume(struct snd_soc_component *component)
  2227. {
  2228. struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
  2229. snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
  2230. /* Resume AAD if previously suspended */
  2231. if (!da7219->wakeup_source)
  2232. da7219_aad_resume(component);
  2233. return 0;
  2234. }
  2235. #else
  2236. #define da7219_suspend NULL
  2237. #define da7219_resume NULL
  2238. #endif
  2239. static const struct snd_soc_component_driver soc_component_dev_da7219 = {
  2240. .probe = da7219_probe,
  2241. .remove = da7219_remove,
  2242. .suspend = da7219_suspend,
  2243. .resume = da7219_resume,
  2244. .set_bias_level = da7219_set_bias_level,
  2245. .controls = da7219_snd_controls,
  2246. .num_controls = ARRAY_SIZE(da7219_snd_controls),
  2247. .dapm_widgets = da7219_dapm_widgets,
  2248. .num_dapm_widgets = ARRAY_SIZE(da7219_dapm_widgets),
  2249. .dapm_routes = da7219_audio_map,
  2250. .num_dapm_routes = ARRAY_SIZE(da7219_audio_map),
  2251. .idle_bias_on = 1,
  2252. .use_pmdown_time = 1,
  2253. .endianness = 1,
  2254. .non_legacy_dai_naming = 1,
  2255. };
  2256. /*
  2257. * I2C layer
  2258. */
  2259. static int da7219_i2c_probe(struct i2c_client *i2c,
  2260. const struct i2c_device_id *id)
  2261. {
  2262. struct device *dev = &i2c->dev;
  2263. struct da7219_priv *da7219;
  2264. int ret;
  2265. da7219 = devm_kzalloc(dev, sizeof(struct da7219_priv),
  2266. GFP_KERNEL);
  2267. if (!da7219)
  2268. return -ENOMEM;
  2269. i2c_set_clientdata(i2c, da7219);
  2270. da7219->regmap = devm_regmap_init_i2c(i2c, &da7219_regmap_config);
  2271. if (IS_ERR(da7219->regmap)) {
  2272. ret = PTR_ERR(da7219->regmap);
  2273. dev_err(dev, "regmap_init() failed: %d\n", ret);
  2274. return ret;
  2275. }
  2276. /* Retrieve DT/ACPI/Platform data */
  2277. da7219->pdata = dev_get_platdata(dev);
  2278. if (!da7219->pdata)
  2279. da7219->pdata = da7219_fw_to_pdata(dev);
  2280. /* AAD */
  2281. ret = da7219_aad_probe(i2c);
  2282. if (ret)
  2283. return ret;
  2284. ret = devm_snd_soc_register_component(dev, &soc_component_dev_da7219,
  2285. &da7219_dai, 1);
  2286. if (ret < 0) {
  2287. dev_err(dev, "Failed to register da7219 component: %d\n", ret);
  2288. }
  2289. return ret;
  2290. }
  2291. static int da7219_i2c_remove(struct i2c_client *client)
  2292. {
  2293. return 0;
  2294. }
  2295. static const struct i2c_device_id da7219_i2c_id[] = {
  2296. { "da7219", },
  2297. { }
  2298. };
  2299. MODULE_DEVICE_TABLE(i2c, da7219_i2c_id);
  2300. static struct i2c_driver da7219_i2c_driver = {
  2301. .driver = {
  2302. .name = "da7219",
  2303. .of_match_table = of_match_ptr(da7219_of_match),
  2304. .acpi_match_table = ACPI_PTR(da7219_acpi_match),
  2305. },
  2306. .probe = da7219_i2c_probe,
  2307. .remove = da7219_i2c_remove,
  2308. .id_table = da7219_i2c_id,
  2309. };
  2310. module_i2c_driver(da7219_i2c_driver);
  2311. MODULE_DESCRIPTION("ASoC DA7219 Codec Driver");
  2312. MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
  2313. MODULE_LICENSE("GPL");