mt8183-dai-i2s.c 32 KB

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  1. // SPDX-License-Identifier: GPL-2.0
  2. //
  3. // MediaTek ALSA SoC Audio DAI I2S Control
  4. //
  5. // Copyright (c) 2018 MediaTek Inc.
  6. // Author: KaiChieh Chuang <[email protected]>
  7. #include <linux/bitops.h>
  8. #include <linux/regmap.h>
  9. #include <sound/pcm_params.h>
  10. #include "mt8183-afe-clk.h"
  11. #include "mt8183-afe-common.h"
  12. #include "mt8183-interconnection.h"
  13. #include "mt8183-reg.h"
  14. enum {
  15. I2S_FMT_EIAJ = 0,
  16. I2S_FMT_I2S = 1,
  17. };
  18. enum {
  19. I2S_WLEN_16_BIT = 0,
  20. I2S_WLEN_32_BIT = 1,
  21. };
  22. enum {
  23. I2S_HD_NORMAL = 0,
  24. I2S_HD_LOW_JITTER = 1,
  25. };
  26. enum {
  27. I2S1_SEL_O28_O29 = 0,
  28. I2S1_SEL_O03_O04 = 1,
  29. };
  30. enum {
  31. I2S_IN_PAD_CONNSYS = 0,
  32. I2S_IN_PAD_IO_MUX = 1,
  33. };
  34. struct mtk_afe_i2s_priv {
  35. int id;
  36. int rate; /* for determine which apll to use */
  37. int low_jitter_en;
  38. int share_i2s_id;
  39. int mclk_id;
  40. int mclk_rate;
  41. int mclk_apll;
  42. int use_eiaj;
  43. };
  44. static unsigned int get_i2s_wlen(snd_pcm_format_t format)
  45. {
  46. return snd_pcm_format_physical_width(format) <= 16 ?
  47. I2S_WLEN_16_BIT : I2S_WLEN_32_BIT;
  48. }
  49. #define MTK_AFE_I2S0_KCONTROL_NAME "I2S0_HD_Mux"
  50. #define MTK_AFE_I2S1_KCONTROL_NAME "I2S1_HD_Mux"
  51. #define MTK_AFE_I2S2_KCONTROL_NAME "I2S2_HD_Mux"
  52. #define MTK_AFE_I2S3_KCONTROL_NAME "I2S3_HD_Mux"
  53. #define MTK_AFE_I2S5_KCONTROL_NAME "I2S5_HD_Mux"
  54. #define I2S0_HD_EN_W_NAME "I2S0_HD_EN"
  55. #define I2S1_HD_EN_W_NAME "I2S1_HD_EN"
  56. #define I2S2_HD_EN_W_NAME "I2S2_HD_EN"
  57. #define I2S3_HD_EN_W_NAME "I2S3_HD_EN"
  58. #define I2S5_HD_EN_W_NAME "I2S5_HD_EN"
  59. #define I2S0_MCLK_EN_W_NAME "I2S0_MCLK_EN"
  60. #define I2S1_MCLK_EN_W_NAME "I2S1_MCLK_EN"
  61. #define I2S2_MCLK_EN_W_NAME "I2S2_MCLK_EN"
  62. #define I2S3_MCLK_EN_W_NAME "I2S3_MCLK_EN"
  63. #define I2S5_MCLK_EN_W_NAME "I2S5_MCLK_EN"
  64. static int get_i2s_id_by_name(struct mtk_base_afe *afe,
  65. const char *name)
  66. {
  67. if (strncmp(name, "I2S0", 4) == 0)
  68. return MT8183_DAI_I2S_0;
  69. else if (strncmp(name, "I2S1", 4) == 0)
  70. return MT8183_DAI_I2S_1;
  71. else if (strncmp(name, "I2S2", 4) == 0)
  72. return MT8183_DAI_I2S_2;
  73. else if (strncmp(name, "I2S3", 4) == 0)
  74. return MT8183_DAI_I2S_3;
  75. else if (strncmp(name, "I2S5", 4) == 0)
  76. return MT8183_DAI_I2S_5;
  77. else
  78. return -EINVAL;
  79. }
  80. static struct mtk_afe_i2s_priv *get_i2s_priv_by_name(struct mtk_base_afe *afe,
  81. const char *name)
  82. {
  83. struct mt8183_afe_private *afe_priv = afe->platform_priv;
  84. int dai_id = get_i2s_id_by_name(afe, name);
  85. if (dai_id < 0)
  86. return NULL;
  87. return afe_priv->dai_priv[dai_id];
  88. }
  89. /* low jitter control */
  90. static const char * const mt8183_i2s_hd_str[] = {
  91. "Normal", "Low_Jitter"
  92. };
  93. static const struct soc_enum mt8183_i2s_enum[] = {
  94. SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mt8183_i2s_hd_str),
  95. mt8183_i2s_hd_str),
  96. };
  97. static int mt8183_i2s_hd_get(struct snd_kcontrol *kcontrol,
  98. struct snd_ctl_elem_value *ucontrol)
  99. {
  100. struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
  101. struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
  102. struct mtk_afe_i2s_priv *i2s_priv;
  103. i2s_priv = get_i2s_priv_by_name(afe, kcontrol->id.name);
  104. if (!i2s_priv) {
  105. dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
  106. return -EINVAL;
  107. }
  108. ucontrol->value.integer.value[0] = i2s_priv->low_jitter_en;
  109. return 0;
  110. }
  111. static int mt8183_i2s_hd_set(struct snd_kcontrol *kcontrol,
  112. struct snd_ctl_elem_value *ucontrol)
  113. {
  114. struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
  115. struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
  116. struct mtk_afe_i2s_priv *i2s_priv;
  117. struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
  118. int hd_en;
  119. if (ucontrol->value.enumerated.item[0] >= e->items)
  120. return -EINVAL;
  121. hd_en = ucontrol->value.integer.value[0];
  122. dev_info(afe->dev, "%s(), kcontrol name %s, hd_en %d\n",
  123. __func__, kcontrol->id.name, hd_en);
  124. i2s_priv = get_i2s_priv_by_name(afe, kcontrol->id.name);
  125. if (!i2s_priv) {
  126. dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
  127. return -EINVAL;
  128. }
  129. i2s_priv->low_jitter_en = hd_en;
  130. return 0;
  131. }
  132. static const struct snd_kcontrol_new mtk_dai_i2s_controls[] = {
  133. SOC_ENUM_EXT(MTK_AFE_I2S0_KCONTROL_NAME, mt8183_i2s_enum[0],
  134. mt8183_i2s_hd_get, mt8183_i2s_hd_set),
  135. SOC_ENUM_EXT(MTK_AFE_I2S1_KCONTROL_NAME, mt8183_i2s_enum[0],
  136. mt8183_i2s_hd_get, mt8183_i2s_hd_set),
  137. SOC_ENUM_EXT(MTK_AFE_I2S2_KCONTROL_NAME, mt8183_i2s_enum[0],
  138. mt8183_i2s_hd_get, mt8183_i2s_hd_set),
  139. SOC_ENUM_EXT(MTK_AFE_I2S3_KCONTROL_NAME, mt8183_i2s_enum[0],
  140. mt8183_i2s_hd_get, mt8183_i2s_hd_set),
  141. SOC_ENUM_EXT(MTK_AFE_I2S5_KCONTROL_NAME, mt8183_i2s_enum[0],
  142. mt8183_i2s_hd_get, mt8183_i2s_hd_set),
  143. };
  144. /* dai component */
  145. /* interconnection */
  146. static const struct snd_kcontrol_new mtk_i2s3_ch1_mix[] = {
  147. SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN0, I_DL1_CH1, 1, 0),
  148. SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN0, I_DL2_CH1, 1, 0),
  149. SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN0, I_DL3_CH1, 1, 0),
  150. SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN0,
  151. I_ADDA_UL_CH1, 1, 0),
  152. SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN0,
  153. I_PCM_1_CAP_CH1, 1, 0),
  154. SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN0,
  155. I_PCM_2_CAP_CH1, 1, 0),
  156. };
  157. static const struct snd_kcontrol_new mtk_i2s3_ch2_mix[] = {
  158. SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN1, I_DL1_CH2, 1, 0),
  159. SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN1, I_DL2_CH2, 1, 0),
  160. SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN1, I_DL3_CH2, 1, 0),
  161. SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN1,
  162. I_ADDA_UL_CH2, 1, 0),
  163. SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN1,
  164. I_PCM_1_CAP_CH1, 1, 0),
  165. SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN1,
  166. I_PCM_2_CAP_CH1, 1, 0),
  167. SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH2", AFE_CONN1,
  168. I_PCM_1_CAP_CH2, 1, 0),
  169. SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH2", AFE_CONN1,
  170. I_PCM_2_CAP_CH2, 1, 0),
  171. };
  172. static const struct snd_kcontrol_new mtk_i2s1_ch1_mix[] = {
  173. SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN28, I_DL1_CH1, 1, 0),
  174. SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN28, I_DL2_CH1, 1, 0),
  175. SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN28, I_DL3_CH1, 1, 0),
  176. SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN28,
  177. I_ADDA_UL_CH1, 1, 0),
  178. SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN28,
  179. I_PCM_1_CAP_CH1, 1, 0),
  180. SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN28,
  181. I_PCM_2_CAP_CH1, 1, 0),
  182. };
  183. static const struct snd_kcontrol_new mtk_i2s1_ch2_mix[] = {
  184. SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN29, I_DL1_CH2, 1, 0),
  185. SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN29, I_DL2_CH2, 1, 0),
  186. SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN29, I_DL3_CH2, 1, 0),
  187. SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN29,
  188. I_ADDA_UL_CH2, 1, 0),
  189. SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN29,
  190. I_PCM_1_CAP_CH1, 1, 0),
  191. SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN29,
  192. I_PCM_2_CAP_CH1, 1, 0),
  193. SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH2", AFE_CONN29,
  194. I_PCM_1_CAP_CH2, 1, 0),
  195. SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH2", AFE_CONN29,
  196. I_PCM_2_CAP_CH2, 1, 0),
  197. };
  198. static const struct snd_kcontrol_new mtk_i2s5_ch1_mix[] = {
  199. SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN30, I_DL1_CH1, 1, 0),
  200. SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN30, I_DL2_CH1, 1, 0),
  201. SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN30, I_DL3_CH1, 1, 0),
  202. SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN30,
  203. I_ADDA_UL_CH1, 1, 0),
  204. SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN30,
  205. I_PCM_1_CAP_CH1, 1, 0),
  206. SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN30,
  207. I_PCM_2_CAP_CH1, 1, 0),
  208. };
  209. static const struct snd_kcontrol_new mtk_i2s5_ch2_mix[] = {
  210. SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN31, I_DL1_CH2, 1, 0),
  211. SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN31, I_DL2_CH2, 1, 0),
  212. SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN31, I_DL3_CH2, 1, 0),
  213. SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN31,
  214. I_ADDA_UL_CH2, 1, 0),
  215. SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN31,
  216. I_PCM_1_CAP_CH1, 1, 0),
  217. SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN31,
  218. I_PCM_2_CAP_CH1, 1, 0),
  219. SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH2", AFE_CONN31,
  220. I_PCM_1_CAP_CH2, 1, 0),
  221. SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH2", AFE_CONN31,
  222. I_PCM_2_CAP_CH2, 1, 0),
  223. };
  224. enum {
  225. SUPPLY_SEQ_APLL,
  226. SUPPLY_SEQ_I2S_MCLK_EN,
  227. SUPPLY_SEQ_I2S_HD_EN,
  228. SUPPLY_SEQ_I2S_EN,
  229. };
  230. static int mtk_apll_event(struct snd_soc_dapm_widget *w,
  231. struct snd_kcontrol *kcontrol,
  232. int event)
  233. {
  234. struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
  235. struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
  236. dev_info(cmpnt->dev, "%s(), name %s, event 0x%x\n",
  237. __func__, w->name, event);
  238. switch (event) {
  239. case SND_SOC_DAPM_PRE_PMU:
  240. if (strcmp(w->name, APLL1_W_NAME) == 0)
  241. mt8183_apll1_enable(afe);
  242. else
  243. mt8183_apll2_enable(afe);
  244. break;
  245. case SND_SOC_DAPM_POST_PMD:
  246. if (strcmp(w->name, APLL1_W_NAME) == 0)
  247. mt8183_apll1_disable(afe);
  248. else
  249. mt8183_apll2_disable(afe);
  250. break;
  251. default:
  252. break;
  253. }
  254. return 0;
  255. }
  256. static int mtk_mclk_en_event(struct snd_soc_dapm_widget *w,
  257. struct snd_kcontrol *kcontrol,
  258. int event)
  259. {
  260. struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
  261. struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
  262. struct mtk_afe_i2s_priv *i2s_priv;
  263. dev_info(cmpnt->dev, "%s(), name %s, event 0x%x\n",
  264. __func__, w->name, event);
  265. i2s_priv = get_i2s_priv_by_name(afe, w->name);
  266. if (!i2s_priv) {
  267. dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
  268. return -EINVAL;
  269. }
  270. switch (event) {
  271. case SND_SOC_DAPM_PRE_PMU:
  272. mt8183_mck_enable(afe, i2s_priv->mclk_id, i2s_priv->mclk_rate);
  273. break;
  274. case SND_SOC_DAPM_POST_PMD:
  275. i2s_priv->mclk_rate = 0;
  276. mt8183_mck_disable(afe, i2s_priv->mclk_id);
  277. break;
  278. default:
  279. break;
  280. }
  281. return 0;
  282. }
  283. static const struct snd_soc_dapm_widget mtk_dai_i2s_widgets[] = {
  284. SND_SOC_DAPM_MIXER("I2S1_CH1", SND_SOC_NOPM, 0, 0,
  285. mtk_i2s1_ch1_mix,
  286. ARRAY_SIZE(mtk_i2s1_ch1_mix)),
  287. SND_SOC_DAPM_MIXER("I2S1_CH2", SND_SOC_NOPM, 0, 0,
  288. mtk_i2s1_ch2_mix,
  289. ARRAY_SIZE(mtk_i2s1_ch2_mix)),
  290. SND_SOC_DAPM_MIXER("I2S3_CH1", SND_SOC_NOPM, 0, 0,
  291. mtk_i2s3_ch1_mix,
  292. ARRAY_SIZE(mtk_i2s3_ch1_mix)),
  293. SND_SOC_DAPM_MIXER("I2S3_CH2", SND_SOC_NOPM, 0, 0,
  294. mtk_i2s3_ch2_mix,
  295. ARRAY_SIZE(mtk_i2s3_ch2_mix)),
  296. SND_SOC_DAPM_MIXER("I2S5_CH1", SND_SOC_NOPM, 0, 0,
  297. mtk_i2s5_ch1_mix,
  298. ARRAY_SIZE(mtk_i2s5_ch1_mix)),
  299. SND_SOC_DAPM_MIXER("I2S5_CH2", SND_SOC_NOPM, 0, 0,
  300. mtk_i2s5_ch2_mix,
  301. ARRAY_SIZE(mtk_i2s5_ch2_mix)),
  302. /* i2s en*/
  303. SND_SOC_DAPM_SUPPLY_S("I2S0_EN", SUPPLY_SEQ_I2S_EN,
  304. AFE_I2S_CON, I2S_EN_SFT, 0,
  305. NULL, 0),
  306. SND_SOC_DAPM_SUPPLY_S("I2S1_EN", SUPPLY_SEQ_I2S_EN,
  307. AFE_I2S_CON1, I2S_EN_SFT, 0,
  308. NULL, 0),
  309. SND_SOC_DAPM_SUPPLY_S("I2S2_EN", SUPPLY_SEQ_I2S_EN,
  310. AFE_I2S_CON2, I2S_EN_SFT, 0,
  311. NULL, 0),
  312. SND_SOC_DAPM_SUPPLY_S("I2S3_EN", SUPPLY_SEQ_I2S_EN,
  313. AFE_I2S_CON3, I2S_EN_SFT, 0,
  314. NULL, 0),
  315. SND_SOC_DAPM_SUPPLY_S("I2S5_EN", SUPPLY_SEQ_I2S_EN,
  316. AFE_I2S_CON4, I2S5_EN_SFT, 0,
  317. NULL, 0),
  318. /* i2s hd en */
  319. SND_SOC_DAPM_SUPPLY_S(I2S0_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
  320. AFE_I2S_CON, I2S1_HD_EN_SFT, 0,
  321. NULL, 0),
  322. SND_SOC_DAPM_SUPPLY_S(I2S1_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
  323. AFE_I2S_CON1, I2S2_HD_EN_SFT, 0,
  324. NULL, 0),
  325. SND_SOC_DAPM_SUPPLY_S(I2S2_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
  326. AFE_I2S_CON2, I2S3_HD_EN_SFT, 0,
  327. NULL, 0),
  328. SND_SOC_DAPM_SUPPLY_S(I2S3_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
  329. AFE_I2S_CON3, I2S4_HD_EN_SFT, 0,
  330. NULL, 0),
  331. SND_SOC_DAPM_SUPPLY_S(I2S5_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
  332. AFE_I2S_CON4, I2S5_HD_EN_SFT, 0,
  333. NULL, 0),
  334. /* i2s mclk en */
  335. SND_SOC_DAPM_SUPPLY_S(I2S0_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
  336. SND_SOC_NOPM, 0, 0,
  337. mtk_mclk_en_event,
  338. SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
  339. SND_SOC_DAPM_SUPPLY_S(I2S1_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
  340. SND_SOC_NOPM, 0, 0,
  341. mtk_mclk_en_event,
  342. SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
  343. SND_SOC_DAPM_SUPPLY_S(I2S2_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
  344. SND_SOC_NOPM, 0, 0,
  345. mtk_mclk_en_event,
  346. SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
  347. SND_SOC_DAPM_SUPPLY_S(I2S3_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
  348. SND_SOC_NOPM, 0, 0,
  349. mtk_mclk_en_event,
  350. SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
  351. SND_SOC_DAPM_SUPPLY_S(I2S5_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
  352. SND_SOC_NOPM, 0, 0,
  353. mtk_mclk_en_event,
  354. SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
  355. /* apll */
  356. SND_SOC_DAPM_SUPPLY_S(APLL1_W_NAME, SUPPLY_SEQ_APLL,
  357. SND_SOC_NOPM, 0, 0,
  358. mtk_apll_event,
  359. SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
  360. SND_SOC_DAPM_SUPPLY_S(APLL2_W_NAME, SUPPLY_SEQ_APLL,
  361. SND_SOC_NOPM, 0, 0,
  362. mtk_apll_event,
  363. SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
  364. };
  365. static int mtk_afe_i2s_share_connect(struct snd_soc_dapm_widget *source,
  366. struct snd_soc_dapm_widget *sink)
  367. {
  368. struct snd_soc_dapm_widget *w = sink;
  369. struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
  370. struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
  371. struct mtk_afe_i2s_priv *i2s_priv;
  372. i2s_priv = get_i2s_priv_by_name(afe, sink->name);
  373. if (!i2s_priv) {
  374. dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
  375. return 0;
  376. }
  377. if (i2s_priv->share_i2s_id < 0)
  378. return 0;
  379. return i2s_priv->share_i2s_id == get_i2s_id_by_name(afe, source->name);
  380. }
  381. static int mtk_afe_i2s_hd_connect(struct snd_soc_dapm_widget *source,
  382. struct snd_soc_dapm_widget *sink)
  383. {
  384. struct snd_soc_dapm_widget *w = sink;
  385. struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
  386. struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
  387. struct mtk_afe_i2s_priv *i2s_priv;
  388. i2s_priv = get_i2s_priv_by_name(afe, sink->name);
  389. if (!i2s_priv) {
  390. dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
  391. return 0;
  392. }
  393. if (get_i2s_id_by_name(afe, sink->name) ==
  394. get_i2s_id_by_name(afe, source->name))
  395. return i2s_priv->low_jitter_en;
  396. /* check if share i2s need hd en */
  397. if (i2s_priv->share_i2s_id < 0)
  398. return 0;
  399. if (i2s_priv->share_i2s_id == get_i2s_id_by_name(afe, source->name))
  400. return i2s_priv->low_jitter_en;
  401. return 0;
  402. }
  403. static int mtk_afe_i2s_apll_connect(struct snd_soc_dapm_widget *source,
  404. struct snd_soc_dapm_widget *sink)
  405. {
  406. struct snd_soc_dapm_widget *w = sink;
  407. struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
  408. struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
  409. struct mtk_afe_i2s_priv *i2s_priv;
  410. int cur_apll;
  411. int i2s_need_apll;
  412. i2s_priv = get_i2s_priv_by_name(afe, w->name);
  413. if (!i2s_priv) {
  414. dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
  415. return 0;
  416. }
  417. /* which apll */
  418. cur_apll = mt8183_get_apll_by_name(afe, source->name);
  419. /* choose APLL from i2s rate */
  420. i2s_need_apll = mt8183_get_apll_by_rate(afe, i2s_priv->rate);
  421. return (i2s_need_apll == cur_apll) ? 1 : 0;
  422. }
  423. static int mtk_afe_i2s_mclk_connect(struct snd_soc_dapm_widget *source,
  424. struct snd_soc_dapm_widget *sink)
  425. {
  426. struct snd_soc_dapm_widget *w = sink;
  427. struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
  428. struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
  429. struct mtk_afe_i2s_priv *i2s_priv;
  430. i2s_priv = get_i2s_priv_by_name(afe, sink->name);
  431. if (!i2s_priv) {
  432. dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
  433. return 0;
  434. }
  435. if (get_i2s_id_by_name(afe, sink->name) ==
  436. get_i2s_id_by_name(afe, source->name))
  437. return (i2s_priv->mclk_rate > 0) ? 1 : 0;
  438. /* check if share i2s need mclk */
  439. if (i2s_priv->share_i2s_id < 0)
  440. return 0;
  441. if (i2s_priv->share_i2s_id == get_i2s_id_by_name(afe, source->name))
  442. return (i2s_priv->mclk_rate > 0) ? 1 : 0;
  443. return 0;
  444. }
  445. static int mtk_afe_mclk_apll_connect(struct snd_soc_dapm_widget *source,
  446. struct snd_soc_dapm_widget *sink)
  447. {
  448. struct snd_soc_dapm_widget *w = sink;
  449. struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
  450. struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
  451. struct mtk_afe_i2s_priv *i2s_priv;
  452. int cur_apll;
  453. i2s_priv = get_i2s_priv_by_name(afe, w->name);
  454. if (!i2s_priv) {
  455. dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
  456. return 0;
  457. }
  458. /* which apll */
  459. cur_apll = mt8183_get_apll_by_name(afe, source->name);
  460. return (i2s_priv->mclk_apll == cur_apll) ? 1 : 0;
  461. }
  462. static const struct snd_soc_dapm_route mtk_dai_i2s_routes[] = {
  463. /* i2s0 */
  464. {"I2S0", NULL, "I2S0_EN"},
  465. {"I2S0", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
  466. {"I2S0", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
  467. {"I2S0", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
  468. {"I2S0", NULL, "I2S5_EN", mtk_afe_i2s_share_connect},
  469. {"I2S0", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  470. {"I2S0", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  471. {"I2S0", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  472. {"I2S0", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  473. {"I2S0", NULL, I2S5_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  474. {I2S0_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
  475. {I2S0_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
  476. {"I2S0", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  477. {"I2S0", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  478. {"I2S0", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  479. {"I2S0", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  480. {"I2S0", NULL, I2S5_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  481. {I2S0_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
  482. {I2S0_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
  483. /* i2s1 */
  484. {"I2S1_CH1", "DL1_CH1", "DL1"},
  485. {"I2S1_CH2", "DL1_CH2", "DL1"},
  486. {"I2S1_CH1", "DL2_CH1", "DL2"},
  487. {"I2S1_CH2", "DL2_CH2", "DL2"},
  488. {"I2S1_CH1", "DL3_CH1", "DL3"},
  489. {"I2S1_CH2", "DL3_CH2", "DL3"},
  490. {"I2S1", NULL, "I2S1_CH1"},
  491. {"I2S1", NULL, "I2S1_CH2"},
  492. {"I2S1", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
  493. {"I2S1", NULL, "I2S1_EN"},
  494. {"I2S1", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
  495. {"I2S1", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
  496. {"I2S1", NULL, "I2S5_EN", mtk_afe_i2s_share_connect},
  497. {"I2S1", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  498. {"I2S1", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  499. {"I2S1", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  500. {"I2S1", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  501. {"I2S1", NULL, I2S5_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  502. {I2S1_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
  503. {I2S1_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
  504. {"I2S1", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  505. {"I2S1", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  506. {"I2S1", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  507. {"I2S1", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  508. {"I2S1", NULL, I2S5_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  509. {I2S1_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
  510. {I2S1_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
  511. /* i2s2 */
  512. {"I2S2", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
  513. {"I2S2", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
  514. {"I2S2", NULL, "I2S2_EN"},
  515. {"I2S2", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
  516. {"I2S2", NULL, "I2S5_EN", mtk_afe_i2s_share_connect},
  517. {"I2S2", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  518. {"I2S2", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  519. {"I2S2", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  520. {"I2S2", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  521. {"I2S2", NULL, I2S5_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  522. {I2S2_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
  523. {I2S2_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
  524. {"I2S2", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  525. {"I2S2", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  526. {"I2S2", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  527. {"I2S2", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  528. {"I2S2", NULL, I2S5_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  529. {I2S2_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
  530. {I2S2_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
  531. /* i2s3 */
  532. {"I2S3_CH1", "DL1_CH1", "DL1"},
  533. {"I2S3_CH2", "DL1_CH2", "DL1"},
  534. {"I2S3_CH1", "DL2_CH1", "DL2"},
  535. {"I2S3_CH2", "DL2_CH2", "DL2"},
  536. {"I2S3_CH1", "DL3_CH1", "DL3"},
  537. {"I2S3_CH2", "DL3_CH2", "DL3"},
  538. {"I2S3", NULL, "I2S3_CH1"},
  539. {"I2S3", NULL, "I2S3_CH2"},
  540. {"I2S3", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
  541. {"I2S3", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
  542. {"I2S3", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
  543. {"I2S3", NULL, "I2S3_EN"},
  544. {"I2S3", NULL, "I2S5_EN", mtk_afe_i2s_share_connect},
  545. {"I2S3", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  546. {"I2S3", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  547. {"I2S3", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  548. {"I2S3", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  549. {"I2S3", NULL, I2S5_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  550. {I2S3_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
  551. {I2S3_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
  552. {"I2S3", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  553. {"I2S3", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  554. {"I2S3", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  555. {"I2S3", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  556. {"I2S3", NULL, I2S5_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  557. {I2S3_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
  558. {I2S3_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
  559. /* i2s5 */
  560. {"I2S5_CH1", "DL1_CH1", "DL1"},
  561. {"I2S5_CH2", "DL1_CH2", "DL1"},
  562. {"I2S5_CH1", "DL2_CH1", "DL2"},
  563. {"I2S5_CH2", "DL2_CH2", "DL2"},
  564. {"I2S5_CH1", "DL3_CH1", "DL3"},
  565. {"I2S5_CH2", "DL3_CH2", "DL3"},
  566. {"I2S5", NULL, "I2S5_CH1"},
  567. {"I2S5", NULL, "I2S5_CH2"},
  568. {"I2S5", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
  569. {"I2S5", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
  570. {"I2S5", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
  571. {"I2S5", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
  572. {"I2S5", NULL, "I2S5_EN"},
  573. {"I2S5", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  574. {"I2S5", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  575. {"I2S5", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  576. {"I2S5", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  577. {"I2S5", NULL, I2S5_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
  578. {I2S5_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
  579. {I2S5_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
  580. {"I2S5", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  581. {"I2S5", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  582. {"I2S5", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  583. {"I2S5", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  584. {"I2S5", NULL, I2S5_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
  585. {I2S5_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
  586. {I2S5_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
  587. };
  588. /* dai ops */
  589. static int mtk_dai_i2s_config(struct mtk_base_afe *afe,
  590. struct snd_pcm_hw_params *params,
  591. int i2s_id)
  592. {
  593. struct mt8183_afe_private *afe_priv = afe->platform_priv;
  594. struct mtk_afe_i2s_priv *i2s_priv = afe_priv->dai_priv[i2s_id];
  595. unsigned int rate = params_rate(params);
  596. unsigned int rate_reg = mt8183_rate_transform(afe->dev,
  597. rate, i2s_id);
  598. snd_pcm_format_t format = params_format(params);
  599. unsigned int i2s_con = 0, fmt_con = I2S_FMT_I2S << I2S_FMT_SFT;
  600. int ret = 0;
  601. dev_info(afe->dev, "%s(), id %d, rate %d, format %d\n",
  602. __func__,
  603. i2s_id,
  604. rate, format);
  605. if (i2s_priv) {
  606. i2s_priv->rate = rate;
  607. if (i2s_priv->use_eiaj)
  608. fmt_con = I2S_FMT_EIAJ << I2S_FMT_SFT;
  609. } else {
  610. dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
  611. }
  612. switch (i2s_id) {
  613. case MT8183_DAI_I2S_0:
  614. regmap_update_bits(afe->regmap, AFE_DAC_CON1,
  615. I2S_MODE_MASK_SFT, rate_reg << I2S_MODE_SFT);
  616. i2s_con = I2S_IN_PAD_IO_MUX << I2SIN_PAD_SEL_SFT;
  617. i2s_con |= fmt_con;
  618. i2s_con |= get_i2s_wlen(format) << I2S_WLEN_SFT;
  619. regmap_update_bits(afe->regmap, AFE_I2S_CON,
  620. 0xffffeffe, i2s_con);
  621. break;
  622. case MT8183_DAI_I2S_1:
  623. i2s_con = I2S1_SEL_O28_O29 << I2S2_SEL_O03_O04_SFT;
  624. i2s_con |= rate_reg << I2S2_OUT_MODE_SFT;
  625. i2s_con |= fmt_con;
  626. i2s_con |= get_i2s_wlen(format) << I2S2_WLEN_SFT;
  627. regmap_update_bits(afe->regmap, AFE_I2S_CON1,
  628. 0xffffeffe, i2s_con);
  629. break;
  630. case MT8183_DAI_I2S_2:
  631. i2s_con = 8 << I2S3_UPDATE_WORD_SFT;
  632. i2s_con |= rate_reg << I2S3_OUT_MODE_SFT;
  633. i2s_con |= fmt_con;
  634. i2s_con |= get_i2s_wlen(format) << I2S3_WLEN_SFT;
  635. regmap_update_bits(afe->regmap, AFE_I2S_CON2,
  636. 0xffffeffe, i2s_con);
  637. break;
  638. case MT8183_DAI_I2S_3:
  639. i2s_con = rate_reg << I2S4_OUT_MODE_SFT;
  640. i2s_con |= fmt_con;
  641. i2s_con |= get_i2s_wlen(format) << I2S4_WLEN_SFT;
  642. regmap_update_bits(afe->regmap, AFE_I2S_CON3,
  643. 0xffffeffe, i2s_con);
  644. break;
  645. case MT8183_DAI_I2S_5:
  646. i2s_con = rate_reg << I2S5_OUT_MODE_SFT;
  647. i2s_con |= fmt_con;
  648. i2s_con |= get_i2s_wlen(format) << I2S5_WLEN_SFT;
  649. regmap_update_bits(afe->regmap, AFE_I2S_CON4,
  650. 0xffffeffe, i2s_con);
  651. break;
  652. default:
  653. dev_warn(afe->dev, "%s(), id %d not support\n",
  654. __func__, i2s_id);
  655. return -EINVAL;
  656. }
  657. /* set share i2s */
  658. if (i2s_priv && i2s_priv->share_i2s_id >= 0)
  659. ret = mtk_dai_i2s_config(afe, params, i2s_priv->share_i2s_id);
  660. return ret;
  661. }
  662. static int mtk_dai_i2s_hw_params(struct snd_pcm_substream *substream,
  663. struct snd_pcm_hw_params *params,
  664. struct snd_soc_dai *dai)
  665. {
  666. struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
  667. return mtk_dai_i2s_config(afe, params, dai->id);
  668. }
  669. static int mtk_dai_i2s_set_sysclk(struct snd_soc_dai *dai,
  670. int clk_id, unsigned int freq, int dir)
  671. {
  672. struct mtk_base_afe *afe = dev_get_drvdata(dai->dev);
  673. struct mt8183_afe_private *afe_priv = afe->platform_priv;
  674. struct mtk_afe_i2s_priv *i2s_priv = afe_priv->dai_priv[dai->id];
  675. int apll;
  676. int apll_rate;
  677. if (!i2s_priv) {
  678. dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
  679. return -EINVAL;
  680. }
  681. if (dir != SND_SOC_CLOCK_OUT) {
  682. dev_warn(afe->dev, "%s(), dir != SND_SOC_CLOCK_OUT", __func__);
  683. return -EINVAL;
  684. }
  685. dev_info(afe->dev, "%s(), freq %d\n", __func__, freq);
  686. apll = mt8183_get_apll_by_rate(afe, freq);
  687. apll_rate = mt8183_get_apll_rate(afe, apll);
  688. if (freq > apll_rate) {
  689. dev_warn(afe->dev, "%s(), freq > apll rate", __func__);
  690. return -EINVAL;
  691. }
  692. if (apll_rate % freq != 0) {
  693. dev_warn(afe->dev, "%s(), APLL cannot generate freq Hz",
  694. __func__);
  695. return -EINVAL;
  696. }
  697. i2s_priv->mclk_rate = freq;
  698. i2s_priv->mclk_apll = apll;
  699. if (i2s_priv->share_i2s_id > 0) {
  700. struct mtk_afe_i2s_priv *share_i2s_priv;
  701. share_i2s_priv = afe_priv->dai_priv[i2s_priv->share_i2s_id];
  702. if (!share_i2s_priv) {
  703. dev_warn(afe->dev, "%s(), share_i2s_priv == NULL",
  704. __func__);
  705. return -EINVAL;
  706. }
  707. share_i2s_priv->mclk_rate = i2s_priv->mclk_rate;
  708. share_i2s_priv->mclk_apll = i2s_priv->mclk_apll;
  709. }
  710. return 0;
  711. }
  712. static int mtk_dai_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
  713. {
  714. struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
  715. struct mt8183_afe_private *afe_priv = afe->platform_priv;
  716. struct mtk_afe_i2s_priv *i2s_priv;
  717. switch (dai->id) {
  718. case MT8183_DAI_I2S_0:
  719. case MT8183_DAI_I2S_1:
  720. case MT8183_DAI_I2S_2:
  721. case MT8183_DAI_I2S_3:
  722. case MT8183_DAI_I2S_5:
  723. break;
  724. default:
  725. dev_warn(afe->dev, "%s(), id %d not support\n",
  726. __func__, dai->id);
  727. return -EINVAL;
  728. }
  729. i2s_priv = afe_priv->dai_priv[dai->id];
  730. switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
  731. case SND_SOC_DAIFMT_LEFT_J:
  732. i2s_priv->use_eiaj = 1;
  733. break;
  734. case SND_SOC_DAIFMT_I2S:
  735. i2s_priv->use_eiaj = 0;
  736. break;
  737. default:
  738. dev_warn(afe->dev, "%s(), DAI format %d not support\n",
  739. __func__, fmt & SND_SOC_DAIFMT_FORMAT_MASK);
  740. return -EINVAL;
  741. }
  742. return 0;
  743. }
  744. static const struct snd_soc_dai_ops mtk_dai_i2s_ops = {
  745. .hw_params = mtk_dai_i2s_hw_params,
  746. .set_sysclk = mtk_dai_i2s_set_sysclk,
  747. .set_fmt = mtk_dai_i2s_set_fmt,
  748. };
  749. /* dai driver */
  750. #define MTK_I2S_RATES (SNDRV_PCM_RATE_8000_48000 |\
  751. SNDRV_PCM_RATE_88200 |\
  752. SNDRV_PCM_RATE_96000 |\
  753. SNDRV_PCM_RATE_176400 |\
  754. SNDRV_PCM_RATE_192000)
  755. #define MTK_I2S_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
  756. SNDRV_PCM_FMTBIT_S24_LE |\
  757. SNDRV_PCM_FMTBIT_S32_LE)
  758. static struct snd_soc_dai_driver mtk_dai_i2s_driver[] = {
  759. {
  760. .name = "I2S0",
  761. .id = MT8183_DAI_I2S_0,
  762. .capture = {
  763. .stream_name = "I2S0",
  764. .channels_min = 1,
  765. .channels_max = 2,
  766. .rates = MTK_I2S_RATES,
  767. .formats = MTK_I2S_FORMATS,
  768. },
  769. .ops = &mtk_dai_i2s_ops,
  770. },
  771. {
  772. .name = "I2S1",
  773. .id = MT8183_DAI_I2S_1,
  774. .playback = {
  775. .stream_name = "I2S1",
  776. .channels_min = 1,
  777. .channels_max = 2,
  778. .rates = MTK_I2S_RATES,
  779. .formats = MTK_I2S_FORMATS,
  780. },
  781. .ops = &mtk_dai_i2s_ops,
  782. },
  783. {
  784. .name = "I2S2",
  785. .id = MT8183_DAI_I2S_2,
  786. .capture = {
  787. .stream_name = "I2S2",
  788. .channels_min = 1,
  789. .channels_max = 2,
  790. .rates = MTK_I2S_RATES,
  791. .formats = MTK_I2S_FORMATS,
  792. },
  793. .ops = &mtk_dai_i2s_ops,
  794. },
  795. {
  796. .name = "I2S3",
  797. .id = MT8183_DAI_I2S_3,
  798. .playback = {
  799. .stream_name = "I2S3",
  800. .channels_min = 1,
  801. .channels_max = 2,
  802. .rates = MTK_I2S_RATES,
  803. .formats = MTK_I2S_FORMATS,
  804. },
  805. .ops = &mtk_dai_i2s_ops,
  806. },
  807. {
  808. .name = "I2S5",
  809. .id = MT8183_DAI_I2S_5,
  810. .playback = {
  811. .stream_name = "I2S5",
  812. .channels_min = 1,
  813. .channels_max = 2,
  814. .rates = MTK_I2S_RATES,
  815. .formats = MTK_I2S_FORMATS,
  816. },
  817. .ops = &mtk_dai_i2s_ops,
  818. },
  819. };
  820. /* this enum is merely for mtk_afe_i2s_priv declare */
  821. enum {
  822. DAI_I2S0 = 0,
  823. DAI_I2S1,
  824. DAI_I2S2,
  825. DAI_I2S3,
  826. DAI_I2S5,
  827. DAI_I2S_NUM,
  828. };
  829. static const struct mtk_afe_i2s_priv mt8183_i2s_priv[DAI_I2S_NUM] = {
  830. [DAI_I2S0] = {
  831. .id = MT8183_DAI_I2S_0,
  832. .mclk_id = MT8183_I2S0_MCK,
  833. .share_i2s_id = -1,
  834. },
  835. [DAI_I2S1] = {
  836. .id = MT8183_DAI_I2S_1,
  837. .mclk_id = MT8183_I2S1_MCK,
  838. .share_i2s_id = -1,
  839. },
  840. [DAI_I2S2] = {
  841. .id = MT8183_DAI_I2S_2,
  842. .mclk_id = MT8183_I2S2_MCK,
  843. .share_i2s_id = -1,
  844. },
  845. [DAI_I2S3] = {
  846. .id = MT8183_DAI_I2S_3,
  847. .mclk_id = MT8183_I2S3_MCK,
  848. .share_i2s_id = -1,
  849. },
  850. [DAI_I2S5] = {
  851. .id = MT8183_DAI_I2S_5,
  852. .mclk_id = MT8183_I2S5_MCK,
  853. .share_i2s_id = -1,
  854. },
  855. };
  856. /**
  857. * mt8183_dai_i2s_set_share() - Set up I2S ports to share a single clock.
  858. * @afe: Pointer to &struct mtk_base_afe
  859. * @main_i2s_name: The name of the I2S port that will provide the clock
  860. * @secondary_i2s_name: The name of the I2S port that will use this clock
  861. */
  862. int mt8183_dai_i2s_set_share(struct mtk_base_afe *afe, const char *main_i2s_name,
  863. const char *secondary_i2s_name)
  864. {
  865. struct mtk_afe_i2s_priv *secondary_i2s_priv;
  866. int main_i2s_id;
  867. secondary_i2s_priv = get_i2s_priv_by_name(afe, secondary_i2s_name);
  868. if (!secondary_i2s_priv)
  869. return -EINVAL;
  870. main_i2s_id = get_i2s_id_by_name(afe, main_i2s_name);
  871. if (main_i2s_id < 0)
  872. return main_i2s_id;
  873. secondary_i2s_priv->share_i2s_id = main_i2s_id;
  874. return 0;
  875. }
  876. EXPORT_SYMBOL_GPL(mt8183_dai_i2s_set_share);
  877. static int mt8183_dai_i2s_set_priv(struct mtk_base_afe *afe)
  878. {
  879. struct mt8183_afe_private *afe_priv = afe->platform_priv;
  880. struct mtk_afe_i2s_priv *i2s_priv;
  881. int i;
  882. for (i = 0; i < DAI_I2S_NUM; i++) {
  883. i2s_priv = devm_kzalloc(afe->dev,
  884. sizeof(struct mtk_afe_i2s_priv),
  885. GFP_KERNEL);
  886. if (!i2s_priv)
  887. return -ENOMEM;
  888. memcpy(i2s_priv, &mt8183_i2s_priv[i],
  889. sizeof(struct mtk_afe_i2s_priv));
  890. afe_priv->dai_priv[mt8183_i2s_priv[i].id] = i2s_priv;
  891. }
  892. return 0;
  893. }
  894. int mt8183_dai_i2s_register(struct mtk_base_afe *afe)
  895. {
  896. struct mtk_base_afe_dai *dai;
  897. int ret;
  898. dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
  899. if (!dai)
  900. return -ENOMEM;
  901. list_add(&dai->list, &afe->sub_dais);
  902. dai->dai_drivers = mtk_dai_i2s_driver;
  903. dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_i2s_driver);
  904. dai->controls = mtk_dai_i2s_controls;
  905. dai->num_controls = ARRAY_SIZE(mtk_dai_i2s_controls);
  906. dai->dapm_widgets = mtk_dai_i2s_widgets;
  907. dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_i2s_widgets);
  908. dai->dapm_routes = mtk_dai_i2s_routes;
  909. dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_i2s_routes);
  910. /* set all dai i2s private data */
  911. ret = mt8183_dai_i2s_set_priv(afe);
  912. if (ret)
  913. return ret;
  914. return 0;
  915. }