1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // MediaTek ALSA SoC Audio DAI I2S Control
4 //
5 // Copyright (c) 2022 MediaTek Inc.
6 // Author: Jiaxin Yu <jiaxin.yu@mediatek.com>
7 
8 #include <linux/bitops.h>
9 #include <linux/regmap.h>
10 #include <sound/pcm_params.h>
11 #include "mt8186-afe-clk.h"
12 #include "mt8186-afe-common.h"
13 #include "mt8186-afe-gpio.h"
14 #include "mt8186-interconnection.h"
15 
16 enum {
17 	I2S_FMT_EIAJ = 0,
18 	I2S_FMT_I2S = 1,
19 };
20 
21 enum {
22 	I2S_WLEN_16_BIT = 0,
23 	I2S_WLEN_32_BIT = 1,
24 };
25 
26 enum {
27 	I2S_HD_NORMAL = 0,
28 	I2S_HD_LOW_JITTER = 1,
29 };
30 
31 enum {
32 	I2S1_SEL_O28_O29 = 0,
33 	I2S1_SEL_O03_O04 = 1,
34 };
35 
36 enum {
37 	I2S_IN_PAD_CONNSYS = 0,
38 	I2S_IN_PAD_IO_MUX = 1,
39 };
40 
41 struct mtk_afe_i2s_priv {
42 	int id;
43 	int rate; /* for determine which apll to use */
44 	int low_jitter_en;
45 	int master; /* only i2s0 has slave mode*/
46 
47 	const char *share_property_name;
48 	int share_i2s_id;
49 
50 	int mclk_id;
51 	int mclk_rate;
52 	int mclk_apll;
53 };
54 
55 static unsigned int get_i2s_wlen(snd_pcm_format_t format)
56 {
57 	return snd_pcm_format_physical_width(format) <= 16 ?
58 	       I2S_WLEN_16_BIT : I2S_WLEN_32_BIT;
59 }
60 
61 #define MTK_AFE_I2S0_KCONTROL_NAME "I2S0_HD_Mux"
62 #define MTK_AFE_I2S1_KCONTROL_NAME "I2S1_HD_Mux"
63 #define MTK_AFE_I2S2_KCONTROL_NAME "I2S2_HD_Mux"
64 #define MTK_AFE_I2S3_KCONTROL_NAME "I2S3_HD_Mux"
65 #define MTK_AFE_I2S0_SRC_KCONTROL_NAME "I2S0_SRC_Mux"
66 
67 #define I2S0_HD_EN_W_NAME "I2S0_HD_EN"
68 #define I2S1_HD_EN_W_NAME "I2S1_HD_EN"
69 #define I2S2_HD_EN_W_NAME "I2S2_HD_EN"
70 #define I2S3_HD_EN_W_NAME "I2S3_HD_EN"
71 
72 #define I2S0_MCLK_EN_W_NAME "I2S0_MCLK_EN"
73 #define I2S1_MCLK_EN_W_NAME "I2S1_MCLK_EN"
74 #define I2S2_MCLK_EN_W_NAME "I2S2_MCLK_EN"
75 #define I2S3_MCLK_EN_W_NAME "I2S3_MCLK_EN"
76 
77 static int get_i2s_id_by_name(struct mtk_base_afe *afe,
78 			      const char *name)
79 {
80 	if (strncmp(name, "I2S0", 4) == 0)
81 		return MT8186_DAI_I2S_0;
82 	else if (strncmp(name, "I2S1", 4) == 0)
83 		return MT8186_DAI_I2S_1;
84 	else if (strncmp(name, "I2S2", 4) == 0)
85 		return MT8186_DAI_I2S_2;
86 	else if (strncmp(name, "I2S3", 4) == 0)
87 		return MT8186_DAI_I2S_3;
88 
89 	return -EINVAL;
90 }
91 
92 static struct mtk_afe_i2s_priv *get_i2s_priv_by_name(struct mtk_base_afe *afe,
93 						     const char *name)
94 {
95 	struct mt8186_afe_private *afe_priv = afe->platform_priv;
96 	int dai_id = get_i2s_id_by_name(afe, name);
97 
98 	if (dai_id < 0)
99 		return NULL;
100 
101 	return afe_priv->dai_priv[dai_id];
102 }
103 
104 /* low jitter control */
105 static const char * const mt8186_i2s_hd_str[] = {
106 	"Normal", "Low_Jitter"
107 };
108 
109 static const struct soc_enum mt8186_i2s_enum[] = {
110 	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mt8186_i2s_hd_str),
111 			    mt8186_i2s_hd_str),
112 };
113 
114 static int mt8186_i2s_hd_get(struct snd_kcontrol *kcontrol,
115 			     struct snd_ctl_elem_value *ucontrol)
116 {
117 	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
118 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
119 	struct mtk_afe_i2s_priv *i2s_priv;
120 
121 	i2s_priv = get_i2s_priv_by_name(afe, kcontrol->id.name);
122 	ucontrol->value.integer.value[0] = i2s_priv->low_jitter_en;
123 
124 	return 0;
125 }
126 
127 static int mt8186_i2s_hd_set(struct snd_kcontrol *kcontrol,
128 			     struct snd_ctl_elem_value *ucontrol)
129 {
130 	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
131 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
132 	struct mtk_afe_i2s_priv *i2s_priv;
133 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
134 	int hd_en;
135 
136 	if (ucontrol->value.enumerated.item[0] >= e->items)
137 		return -EINVAL;
138 
139 	hd_en = ucontrol->value.integer.value[0];
140 
141 	dev_dbg(afe->dev, "%s(), kcontrol name %s, hd_en %d\n",
142 		__func__, kcontrol->id.name, hd_en);
143 
144 	i2s_priv = get_i2s_priv_by_name(afe, kcontrol->id.name);
145 	if (i2s_priv->low_jitter_en == hd_en)
146 		return 0;
147 
148 	i2s_priv->low_jitter_en = hd_en;
149 
150 	return 1;
151 }
152 
153 static const struct snd_kcontrol_new mtk_dai_i2s_controls[] = {
154 	SOC_ENUM_EXT(MTK_AFE_I2S0_KCONTROL_NAME, mt8186_i2s_enum[0],
155 		     mt8186_i2s_hd_get, mt8186_i2s_hd_set),
156 	SOC_ENUM_EXT(MTK_AFE_I2S1_KCONTROL_NAME, mt8186_i2s_enum[0],
157 		     mt8186_i2s_hd_get, mt8186_i2s_hd_set),
158 	SOC_ENUM_EXT(MTK_AFE_I2S2_KCONTROL_NAME, mt8186_i2s_enum[0],
159 		     mt8186_i2s_hd_get, mt8186_i2s_hd_set),
160 	SOC_ENUM_EXT(MTK_AFE_I2S3_KCONTROL_NAME, mt8186_i2s_enum[0],
161 		     mt8186_i2s_hd_get, mt8186_i2s_hd_set),
162 };
163 
164 /* dai component */
165 /* i2s virtual mux to output widget */
166 static const char * const i2s_mux_map[] = {
167 	"Normal", "Dummy_Widget",
168 };
169 
170 static int i2s_mux_map_value[] = {
171 	0, 1,
172 };
173 
174 static SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(i2s_mux_map_enum,
175 					      SND_SOC_NOPM,
176 					      0,
177 					      1,
178 					      i2s_mux_map,
179 					      i2s_mux_map_value);
180 
181 static const struct snd_kcontrol_new i2s0_in_mux_control =
182 	SOC_DAPM_ENUM("I2S0 In Select", i2s_mux_map_enum);
183 
184 static const struct snd_kcontrol_new i2s1_out_mux_control =
185 	SOC_DAPM_ENUM("I2S1 Out Select", i2s_mux_map_enum);
186 
187 static const struct snd_kcontrol_new i2s2_in_mux_control =
188 	SOC_DAPM_ENUM("I2S2 In Select", i2s_mux_map_enum);
189 
190 static const struct snd_kcontrol_new i2s3_out_mux_control =
191 	SOC_DAPM_ENUM("I2S3 Out Select", i2s_mux_map_enum);
192 
193 /* i2s in lpbk */
194 static const char * const i2s_lpbk_mux_map[] = {
195 	"Normal", "Lpbk",
196 };
197 
198 static int i2s_lpbk_mux_map_value[] = {
199 	0, 1,
200 };
201 
202 static SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(i2s0_lpbk_mux_map_enum,
203 					      AFE_I2S_CON,
204 					      I2S_LOOPBACK_SFT,
205 					      1,
206 					      i2s_lpbk_mux_map,
207 					      i2s_lpbk_mux_map_value);
208 
209 static const struct snd_kcontrol_new i2s0_lpbk_mux_control =
210 	SOC_DAPM_ENUM("I2S Lpbk Select", i2s0_lpbk_mux_map_enum);
211 
212 static SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(i2s2_lpbk_mux_map_enum,
213 					      AFE_I2S_CON2,
214 					      I2S3_LOOPBACK_SFT,
215 					      1,
216 					      i2s_lpbk_mux_map,
217 					      i2s_lpbk_mux_map_value);
218 
219 static const struct snd_kcontrol_new i2s2_lpbk_mux_control =
220 	SOC_DAPM_ENUM("I2S Lpbk Select", i2s2_lpbk_mux_map_enum);
221 
222 /* interconnection */
223 static const struct snd_kcontrol_new mtk_i2s3_ch1_mix[] = {
224 	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1 Switch", AFE_CONN0,
225 				    I_DL1_CH1, 1, 0),
226 	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1 Switch", AFE_CONN0,
227 				    I_DL2_CH1, 1, 0),
228 	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1 Switch", AFE_CONN0,
229 				    I_DL3_CH1, 1, 0),
230 	SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH1 Switch", AFE_CONN0,
231 				    I_DL12_CH1, 1, 0),
232 	SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH3 Switch", AFE_CONN0,
233 				    I_DL12_CH3, 1, 0),
234 	SOC_DAPM_SINGLE_AUTODISABLE("DL6_CH1 Switch", AFE_CONN0_1,
235 				    I_DL6_CH1, 1, 0),
236 	SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1 Switch", AFE_CONN0_1,
237 				    I_DL4_CH1, 1, 0),
238 	SOC_DAPM_SINGLE_AUTODISABLE("DL5_CH1 Switch", AFE_CONN0_1,
239 				    I_DL5_CH1, 1, 0),
240 	SOC_DAPM_SINGLE_AUTODISABLE("DL8_CH1 Switch", AFE_CONN0_1,
241 				    I_DL8_CH1, 1, 0),
242 	SOC_DAPM_SINGLE_AUTODISABLE("GAIN1_OUT_CH1 Switch", AFE_CONN0,
243 				    I_GAIN1_OUT_CH1, 1, 0),
244 	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1 Switch", AFE_CONN0,
245 				    I_ADDA_UL_CH1, 1, 0),
246 	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2 Switch", AFE_CONN0,
247 				    I_ADDA_UL_CH2, 1, 0),
248 	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH3 Switch", AFE_CONN0,
249 				    I_ADDA_UL_CH3, 1, 0),
250 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1 Switch", AFE_CONN0,
251 				    I_PCM_1_CAP_CH1, 1, 0),
252 	SOC_DAPM_SINGLE_AUTODISABLE("SRC_1_OUT_CH1 Switch", AFE_CONN0_1,
253 				    I_SRC_1_OUT_CH1, 1, 0),
254 };
255 
256 static const struct snd_kcontrol_new mtk_i2s3_ch2_mix[] = {
257 	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2 Switch", AFE_CONN1,
258 				    I_DL1_CH2, 1, 0),
259 	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2 Switch", AFE_CONN1,
260 				    I_DL2_CH2, 1, 0),
261 	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2 Switch", AFE_CONN1,
262 				    I_DL3_CH2, 1, 0),
263 	SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH2 Switch", AFE_CONN1,
264 				    I_DL12_CH2, 1, 0),
265 	SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH4 Switch", AFE_CONN1,
266 				    I_DL12_CH4, 1, 0),
267 	SOC_DAPM_SINGLE_AUTODISABLE("DL6_CH2 Switch", AFE_CONN1_1,
268 				    I_DL6_CH2, 1, 0),
269 	SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH2 Switch", AFE_CONN1_1,
270 				    I_DL4_CH2, 1, 0),
271 	SOC_DAPM_SINGLE_AUTODISABLE("DL5_CH2 Switch", AFE_CONN1_1,
272 				    I_DL5_CH2, 1, 0),
273 	SOC_DAPM_SINGLE_AUTODISABLE("DL8_CH2 Switch", AFE_CONN1_1,
274 				    I_DL8_CH2, 1, 0),
275 	SOC_DAPM_SINGLE_AUTODISABLE("GAIN1_OUT_CH2 Switch", AFE_CONN1,
276 				    I_GAIN1_OUT_CH2, 1, 0),
277 	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1 Switch", AFE_CONN1,
278 				    I_ADDA_UL_CH1, 1, 0),
279 	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2 Switch", AFE_CONN1,
280 				    I_ADDA_UL_CH2, 1, 0),
281 	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH3 Switch", AFE_CONN1,
282 				    I_ADDA_UL_CH3, 1, 0),
283 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH2 Switch", AFE_CONN1,
284 				    I_PCM_1_CAP_CH2, 1, 0),
285 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH2 Switch", AFE_CONN1,
286 				    I_PCM_2_CAP_CH2, 1, 0),
287 	SOC_DAPM_SINGLE_AUTODISABLE("SRC_1_OUT_CH2 Switch", AFE_CONN1_1,
288 				    I_SRC_1_OUT_CH2, 1, 0),
289 };
290 
291 static const struct snd_kcontrol_new mtk_i2s1_ch1_mix[] = {
292 	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1 Switch", AFE_CONN28,
293 				    I_DL1_CH1, 1, 0),
294 	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1 Switch", AFE_CONN28,
295 				    I_DL2_CH1, 1, 0),
296 	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1 Switch", AFE_CONN28,
297 				    I_DL3_CH1, 1, 0),
298 	SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH1 Switch", AFE_CONN28,
299 				    I_DL12_CH1, 1, 0),
300 	SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH3 Switch", AFE_CONN28,
301 				    I_DL12_CH3, 1, 0),
302 	SOC_DAPM_SINGLE_AUTODISABLE("DL6_CH1 Switch", AFE_CONN28_1,
303 				    I_DL6_CH1, 1, 0),
304 	SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1 Switch", AFE_CONN28_1,
305 				    I_DL4_CH1, 1, 0),
306 	SOC_DAPM_SINGLE_AUTODISABLE("DL5_CH1 Switch", AFE_CONN28_1,
307 				    I_DL5_CH1, 1, 0),
308 	SOC_DAPM_SINGLE_AUTODISABLE("DL8_CH1 Switch", AFE_CONN28_1,
309 				    I_DL8_CH1, 1, 0),
310 	SOC_DAPM_SINGLE_AUTODISABLE("GAIN1_OUT_CH1 Switch", AFE_CONN28,
311 				    I_GAIN1_OUT_CH1, 1, 0),
312 	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1 Switch", AFE_CONN28,
313 				    I_ADDA_UL_CH1, 1, 0),
314 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1 Switch", AFE_CONN28,
315 				    I_PCM_1_CAP_CH1, 1, 0),
316 	SOC_DAPM_SINGLE_AUTODISABLE("SRC_1_OUT_CH1 Switch", AFE_CONN28_1,
317 				    I_SRC_1_OUT_CH1, 1, 0),
318 };
319 
320 static const struct snd_kcontrol_new mtk_i2s1_ch2_mix[] = {
321 	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2 Switch", AFE_CONN29,
322 				    I_DL1_CH2, 1, 0),
323 	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2 Switch", AFE_CONN29,
324 				    I_DL2_CH2, 1, 0),
325 	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2 Switch", AFE_CONN29,
326 				    I_DL3_CH2, 1, 0),
327 	SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH2 Switch", AFE_CONN29,
328 				    I_DL12_CH2, 1, 0),
329 	SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH4 Switch", AFE_CONN29,
330 				    I_DL12_CH4, 1, 0),
331 	SOC_DAPM_SINGLE_AUTODISABLE("DL6_CH2 Switch", AFE_CONN29_1,
332 				    I_DL6_CH2, 1, 0),
333 	SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH2 Switch", AFE_CONN29_1,
334 				    I_DL4_CH2, 1, 0),
335 	SOC_DAPM_SINGLE_AUTODISABLE("DL5_CH2 Switch", AFE_CONN29_1,
336 				    I_DL5_CH2, 1, 0),
337 	SOC_DAPM_SINGLE_AUTODISABLE("DL8_CH2 Switch", AFE_CONN29_1,
338 				    I_DL8_CH2, 1, 0),
339 	SOC_DAPM_SINGLE_AUTODISABLE("GAIN1_OUT_CH2 Switch", AFE_CONN29,
340 				    I_GAIN1_OUT_CH2, 1, 0),
341 	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2 Switch", AFE_CONN29,
342 				    I_ADDA_UL_CH2, 1, 0),
343 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH2 Switch", AFE_CONN29,
344 				    I_PCM_1_CAP_CH2, 1, 0),
345 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH2 Switch", AFE_CONN29,
346 				    I_PCM_2_CAP_CH2, 1, 0),
347 	SOC_DAPM_SINGLE_AUTODISABLE("SRC_1_OUT_CH2 Switch", AFE_CONN29_1,
348 				    I_SRC_1_OUT_CH2, 1, 0),
349 };
350 
351 enum {
352 	SUPPLY_SEQ_APLL,
353 	SUPPLY_SEQ_I2S_MCLK_EN,
354 	SUPPLY_SEQ_I2S_HD_EN,
355 	SUPPLY_SEQ_I2S_EN,
356 };
357 
358 static int mtk_i2s_en_event(struct snd_soc_dapm_widget *w,
359 			    struct snd_kcontrol *kcontrol,
360 			    int event)
361 {
362 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
363 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
364 	struct mtk_afe_i2s_priv *i2s_priv;
365 
366 	i2s_priv = get_i2s_priv_by_name(afe, w->name);
367 
368 	dev_dbg(cmpnt->dev, "%s(), name %s, event 0x%x\n",
369 		__func__, w->name, event);
370 
371 	switch (event) {
372 	case SND_SOC_DAPM_PRE_PMU:
373 		mt8186_afe_gpio_request(afe->dev, true, i2s_priv->id, 0);
374 		break;
375 	case SND_SOC_DAPM_POST_PMD:
376 		mt8186_afe_gpio_request(afe->dev, false, i2s_priv->id, 0);
377 		break;
378 	default:
379 		break;
380 	}
381 
382 	return 0;
383 }
384 
385 static int mtk_apll_event(struct snd_soc_dapm_widget *w,
386 			  struct snd_kcontrol *kcontrol,
387 			  int event)
388 {
389 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
390 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
391 
392 	dev_dbg(cmpnt->dev, "%s(), name %s, event 0x%x\n",
393 		__func__, w->name, event);
394 
395 	switch (event) {
396 	case SND_SOC_DAPM_PRE_PMU:
397 		if (strcmp(w->name, APLL1_W_NAME) == 0)
398 			mt8186_apll1_enable(afe);
399 		else
400 			mt8186_apll2_enable(afe);
401 		break;
402 	case SND_SOC_DAPM_POST_PMD:
403 		if (strcmp(w->name, APLL1_W_NAME) == 0)
404 			mt8186_apll1_disable(afe);
405 		else
406 			mt8186_apll2_disable(afe);
407 		break;
408 	default:
409 		break;
410 	}
411 
412 	return 0;
413 }
414 
415 static int mtk_mclk_en_event(struct snd_soc_dapm_widget *w,
416 			     struct snd_kcontrol *kcontrol,
417 			     int event)
418 {
419 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
420 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
421 	struct mtk_afe_i2s_priv *i2s_priv;
422 
423 	dev_dbg(cmpnt->dev, "%s(), name %s, event 0x%x\n",
424 		__func__, w->name, event);
425 
426 	i2s_priv = get_i2s_priv_by_name(afe, w->name);
427 
428 	switch (event) {
429 	case SND_SOC_DAPM_PRE_PMU:
430 		mt8186_mck_enable(afe, i2s_priv->mclk_id, i2s_priv->mclk_rate);
431 		break;
432 	case SND_SOC_DAPM_POST_PMD:
433 		i2s_priv->mclk_rate = 0;
434 		mt8186_mck_disable(afe, i2s_priv->mclk_id);
435 		break;
436 	default:
437 		break;
438 	}
439 
440 	return 0;
441 }
442 
443 static const struct snd_soc_dapm_widget mtk_dai_i2s_widgets[] = {
444 	SND_SOC_DAPM_INPUT("CONNSYS"),
445 
446 	SND_SOC_DAPM_MIXER("I2S1_CH1", SND_SOC_NOPM, 0, 0,
447 			   mtk_i2s1_ch1_mix,
448 			   ARRAY_SIZE(mtk_i2s1_ch1_mix)),
449 	SND_SOC_DAPM_MIXER("I2S1_CH2", SND_SOC_NOPM, 0, 0,
450 			   mtk_i2s1_ch2_mix,
451 			   ARRAY_SIZE(mtk_i2s1_ch2_mix)),
452 
453 	SND_SOC_DAPM_MIXER("I2S3_CH1", SND_SOC_NOPM, 0, 0,
454 			   mtk_i2s3_ch1_mix,
455 			   ARRAY_SIZE(mtk_i2s3_ch1_mix)),
456 	SND_SOC_DAPM_MIXER("I2S3_CH2", SND_SOC_NOPM, 0, 0,
457 			   mtk_i2s3_ch2_mix,
458 			   ARRAY_SIZE(mtk_i2s3_ch2_mix)),
459 
460 	/* i2s en*/
461 	SND_SOC_DAPM_SUPPLY_S("I2S0_EN", SUPPLY_SEQ_I2S_EN,
462 			      AFE_I2S_CON, I2S_EN_SFT, 0,
463 			      mtk_i2s_en_event,
464 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
465 	SND_SOC_DAPM_SUPPLY_S("I2S1_EN", SUPPLY_SEQ_I2S_EN,
466 			      AFE_I2S_CON1, I2S_EN_SFT, 0,
467 			      mtk_i2s_en_event,
468 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
469 	SND_SOC_DAPM_SUPPLY_S("I2S2_EN", SUPPLY_SEQ_I2S_EN,
470 			      AFE_I2S_CON2, I2S_EN_SFT, 0,
471 			      mtk_i2s_en_event,
472 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
473 	SND_SOC_DAPM_SUPPLY_S("I2S3_EN", SUPPLY_SEQ_I2S_EN,
474 			      AFE_I2S_CON3, I2S_EN_SFT, 0,
475 			      mtk_i2s_en_event,
476 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
477 	/* i2s hd en */
478 	SND_SOC_DAPM_SUPPLY_S(I2S0_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
479 			      AFE_I2S_CON, I2S1_HD_EN_SFT, 0, NULL,
480 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
481 	SND_SOC_DAPM_SUPPLY_S(I2S1_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
482 			      AFE_I2S_CON1, I2S2_HD_EN_SFT, 0, NULL,
483 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
484 	SND_SOC_DAPM_SUPPLY_S(I2S2_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
485 			      AFE_I2S_CON2, I2S3_HD_EN_SFT, 0, NULL,
486 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
487 	SND_SOC_DAPM_SUPPLY_S(I2S3_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
488 			      AFE_I2S_CON3, I2S4_HD_EN_SFT, 0, NULL,
489 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
490 
491 	/* i2s mclk en */
492 	SND_SOC_DAPM_SUPPLY_S(I2S0_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
493 			      SND_SOC_NOPM, 0, 0,
494 			      mtk_mclk_en_event,
495 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
496 	SND_SOC_DAPM_SUPPLY_S(I2S1_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
497 			      SND_SOC_NOPM, 0, 0,
498 			      mtk_mclk_en_event,
499 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
500 	SND_SOC_DAPM_SUPPLY_S(I2S2_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
501 			      SND_SOC_NOPM, 0, 0,
502 			      mtk_mclk_en_event,
503 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
504 	SND_SOC_DAPM_SUPPLY_S(I2S3_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
505 			      SND_SOC_NOPM, 0, 0,
506 			      mtk_mclk_en_event,
507 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
508 
509 	/* apll */
510 	SND_SOC_DAPM_SUPPLY_S(APLL1_W_NAME, SUPPLY_SEQ_APLL,
511 			      SND_SOC_NOPM, 0, 0,
512 			      mtk_apll_event,
513 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
514 	SND_SOC_DAPM_SUPPLY_S(APLL2_W_NAME, SUPPLY_SEQ_APLL,
515 			      SND_SOC_NOPM, 0, 0,
516 			      mtk_apll_event,
517 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
518 
519 	/* allow i2s on without codec on */
520 	SND_SOC_DAPM_OUTPUT("I2S_DUMMY_OUT"),
521 	SND_SOC_DAPM_MUX("I2S1_Out_Mux",
522 			 SND_SOC_NOPM, 0, 0, &i2s1_out_mux_control),
523 	SND_SOC_DAPM_MUX("I2S3_Out_Mux",
524 			 SND_SOC_NOPM, 0, 0, &i2s3_out_mux_control),
525 	SND_SOC_DAPM_INPUT("I2S_DUMMY_IN"),
526 	SND_SOC_DAPM_MUX("I2S0_In_Mux",
527 			 SND_SOC_NOPM, 0, 0, &i2s0_in_mux_control),
528 	SND_SOC_DAPM_MUX("I2S2_In_Mux",
529 			 SND_SOC_NOPM, 0, 0, &i2s2_in_mux_control),
530 
531 	/* i2s in lpbk */
532 	SND_SOC_DAPM_MUX("I2S0_Lpbk_Mux",
533 			 SND_SOC_NOPM, 0, 0, &i2s0_lpbk_mux_control),
534 	SND_SOC_DAPM_MUX("I2S2_Lpbk_Mux",
535 			 SND_SOC_NOPM, 0, 0, &i2s2_lpbk_mux_control),
536 };
537 
538 static int mtk_afe_i2s_share_connect(struct snd_soc_dapm_widget *source,
539 				     struct snd_soc_dapm_widget *sink)
540 {
541 	struct snd_soc_dapm_widget *w = sink;
542 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
543 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
544 	struct mtk_afe_i2s_priv *i2s_priv;
545 
546 	i2s_priv = get_i2s_priv_by_name(afe, sink->name);
547 	if (i2s_priv->share_i2s_id < 0)
548 		return 0;
549 
550 	return i2s_priv->share_i2s_id == get_i2s_id_by_name(afe, source->name);
551 }
552 
553 static int mtk_afe_i2s_hd_connect(struct snd_soc_dapm_widget *source,
554 				  struct snd_soc_dapm_widget *sink)
555 {
556 	struct snd_soc_dapm_widget *w = sink;
557 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
558 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
559 	struct mtk_afe_i2s_priv *i2s_priv;
560 
561 	i2s_priv = get_i2s_priv_by_name(afe, sink->name);
562 	if (get_i2s_id_by_name(afe, sink->name) ==
563 	    get_i2s_id_by_name(afe, source->name))
564 		return i2s_priv->low_jitter_en;
565 
566 	/* check if share i2s need hd en */
567 	if (i2s_priv->share_i2s_id < 0)
568 		return 0;
569 
570 	if (i2s_priv->share_i2s_id == get_i2s_id_by_name(afe, source->name))
571 		return i2s_priv->low_jitter_en;
572 
573 	return 0;
574 }
575 
576 static int mtk_afe_i2s_apll_connect(struct snd_soc_dapm_widget *source,
577 				    struct snd_soc_dapm_widget *sink)
578 {
579 	struct snd_soc_dapm_widget *w = sink;
580 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
581 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
582 	struct mtk_afe_i2s_priv *i2s_priv;
583 	int cur_apll;
584 	int i2s_need_apll;
585 
586 	i2s_priv = get_i2s_priv_by_name(afe, w->name);
587 	/* which apll */
588 	cur_apll = mt8186_get_apll_by_name(afe, source->name);
589 	/* choose APLL from i2s rate */
590 	i2s_need_apll = mt8186_get_apll_by_rate(afe, i2s_priv->rate);
591 
592 	return (i2s_need_apll == cur_apll) ? 1 : 0;
593 }
594 
595 static int mtk_afe_i2s_mclk_connect(struct snd_soc_dapm_widget *source,
596 				    struct snd_soc_dapm_widget *sink)
597 {
598 	struct snd_soc_dapm_widget *w = sink;
599 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
600 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
601 	struct mtk_afe_i2s_priv *i2s_priv;
602 
603 	i2s_priv = get_i2s_priv_by_name(afe, sink->name);
604 	if (get_i2s_id_by_name(afe, sink->name) ==
605 	    get_i2s_id_by_name(afe, source->name))
606 		return (i2s_priv->mclk_rate > 0) ? 1 : 0;
607 
608 	/* check if share i2s need mclk */
609 	if (i2s_priv->share_i2s_id < 0)
610 		return 0;
611 
612 	if (i2s_priv->share_i2s_id == get_i2s_id_by_name(afe, source->name))
613 		return (i2s_priv->mclk_rate > 0) ? 1 : 0;
614 
615 	return 0;
616 }
617 
618 static int mtk_afe_mclk_apll_connect(struct snd_soc_dapm_widget *source,
619 				     struct snd_soc_dapm_widget *sink)
620 {
621 	struct snd_soc_dapm_widget *w = sink;
622 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
623 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
624 	struct mtk_afe_i2s_priv *i2s_priv;
625 	int cur_apll;
626 
627 	i2s_priv = get_i2s_priv_by_name(afe, w->name);
628 	/* which apll */
629 	cur_apll = mt8186_get_apll_by_name(afe, source->name);
630 
631 	return (i2s_priv->mclk_apll == cur_apll) ? 1 : 0;
632 }
633 
634 static const struct snd_soc_dapm_route mtk_dai_i2s_routes[] = {
635 	{"Connsys I2S", NULL, "CONNSYS"},
636 
637 	/* i2s0 */
638 	{"I2S0", NULL, "I2S0_EN"},
639 	{"I2S0", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
640 	{"I2S0", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
641 	{"I2S0", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
642 
643 	{"I2S0", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
644 	{"I2S0", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
645 	{"I2S0", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
646 	{"I2S0", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
647 	{I2S0_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
648 	{I2S0_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
649 
650 	{"I2S0", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
651 	{"I2S0", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
652 	{"I2S0", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
653 	{"I2S0", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
654 	{I2S0_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
655 	{I2S0_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
656 
657 	/* i2s1 */
658 	{"I2S1_CH1", "DL1_CH1 Switch", "DL1"},
659 	{"I2S1_CH2", "DL1_CH2 Switch", "DL1"},
660 
661 	{"I2S1_CH1", "DL2_CH1 Switch", "DL2"},
662 	{"I2S1_CH2", "DL2_CH2 Switch", "DL2"},
663 
664 	{"I2S1_CH1", "DL3_CH1 Switch", "DL3"},
665 	{"I2S1_CH2", "DL3_CH2 Switch", "DL3"},
666 
667 	{"I2S1_CH1", "DL12_CH1 Switch", "DL12"},
668 	{"I2S1_CH2", "DL12_CH2 Switch", "DL12"},
669 
670 	{"I2S1_CH1", "DL12_CH3 Switch", "DL12"},
671 	{"I2S1_CH2", "DL12_CH4 Switch", "DL12"},
672 
673 	{"I2S1_CH1", "DL6_CH1 Switch", "DL6"},
674 	{"I2S1_CH2", "DL6_CH2 Switch", "DL6"},
675 
676 	{"I2S1_CH1", "DL4_CH1 Switch", "DL4"},
677 	{"I2S1_CH2", "DL4_CH2 Switch", "DL4"},
678 
679 	{"I2S1_CH1", "DL5_CH1 Switch", "DL5"},
680 	{"I2S1_CH2", "DL5_CH2 Switch", "DL5"},
681 
682 	{"I2S1_CH1", "DL8_CH1 Switch", "DL8"},
683 	{"I2S1_CH2", "DL8_CH2 Switch", "DL8"},
684 
685 	{"I2S1", NULL, "I2S1_CH1"},
686 	{"I2S1", NULL, "I2S1_CH2"},
687 
688 	{"I2S1", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
689 	{"I2S1", NULL, "I2S1_EN"},
690 	{"I2S1", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
691 	{"I2S1", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
692 
693 	{"I2S1", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
694 	{"I2S1", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
695 	{"I2S1", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
696 	{"I2S1", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
697 	{I2S1_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
698 	{I2S1_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
699 
700 	{"I2S1", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
701 	{"I2S1", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
702 	{"I2S1", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
703 	{"I2S1", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
704 	{I2S1_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
705 	{I2S1_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
706 
707 	/* i2s2 */
708 	{"I2S2", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
709 	{"I2S2", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
710 	{"I2S2", NULL, "I2S2_EN"},
711 	{"I2S2", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
712 
713 	{"I2S2", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
714 	{"I2S2", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
715 	{"I2S2", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
716 	{"I2S2", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
717 	{I2S2_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
718 	{I2S2_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
719 
720 	{"I2S2", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
721 	{"I2S2", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
722 	{"I2S2", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
723 	{"I2S2", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
724 	{I2S2_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
725 	{I2S2_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
726 
727 	/* i2s3 */
728 	{"I2S3_CH1", "DL1_CH1 Switch", "DL1"},
729 	{"I2S3_CH2", "DL1_CH2 Switch", "DL1"},
730 
731 	{"I2S3_CH1", "DL2_CH1 Switch", "DL2"},
732 	{"I2S3_CH2", "DL2_CH2 Switch", "DL2"},
733 
734 	{"I2S3_CH1", "DL3_CH1 Switch", "DL3"},
735 	{"I2S3_CH2", "DL3_CH2 Switch", "DL3"},
736 
737 	{"I2S3_CH1", "DL12_CH1 Switch", "DL12"},
738 	{"I2S3_CH2", "DL12_CH2 Switch", "DL12"},
739 
740 	{"I2S3_CH1", "DL12_CH3 Switch", "DL12"},
741 	{"I2S3_CH2", "DL12_CH4 Switch", "DL12"},
742 
743 	{"I2S3_CH1", "DL6_CH1 Switch", "DL6"},
744 	{"I2S3_CH2", "DL6_CH2 Switch", "DL6"},
745 
746 	{"I2S3_CH1", "DL4_CH1 Switch", "DL4"},
747 	{"I2S3_CH2", "DL4_CH2 Switch", "DL4"},
748 
749 	{"I2S3_CH1", "DL5_CH1 Switch", "DL5"},
750 	{"I2S3_CH2", "DL5_CH2 Switch", "DL5"},
751 
752 	{"I2S3_CH1", "DL8_CH1 Switch", "DL8"},
753 	{"I2S3_CH2", "DL8_CH2 Switch", "DL8"},
754 
755 	{"I2S3", NULL, "I2S3_CH1"},
756 	{"I2S3", NULL, "I2S3_CH2"},
757 
758 	{"I2S3", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
759 	{"I2S3", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
760 	{"I2S3", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
761 	{"I2S3", NULL, "I2S3_EN"},
762 
763 	{"I2S3", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
764 	{"I2S3", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
765 	{"I2S3", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
766 	{"I2S3", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
767 	{I2S3_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
768 	{I2S3_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
769 
770 	{"I2S3", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
771 	{"I2S3", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
772 	{"I2S3", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
773 	{"I2S3", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
774 	{I2S3_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
775 	{I2S3_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
776 
777 	/* allow i2s on without codec on */
778 	{"I2S0", NULL, "I2S0_In_Mux"},
779 	{"I2S0_In_Mux", "Dummy_Widget", "I2S_DUMMY_IN"},
780 
781 	{"I2S1_Out_Mux", "Dummy_Widget", "I2S1"},
782 	{"I2S_DUMMY_OUT", NULL, "I2S1_Out_Mux"},
783 
784 	{"I2S2", NULL, "I2S2_In_Mux"},
785 	{"I2S2_In_Mux", "Dummy_Widget", "I2S_DUMMY_IN"},
786 
787 	{"I2S3_Out_Mux", "Dummy_Widget", "I2S3"},
788 	{"I2S_DUMMY_OUT", NULL, "I2S3_Out_Mux"},
789 
790 	/* i2s in lpbk */
791 	{"I2S0_Lpbk_Mux", "Lpbk", "I2S3"},
792 	{"I2S2_Lpbk_Mux", "Lpbk", "I2S1"},
793 	{"I2S0", NULL, "I2S0_Lpbk_Mux"},
794 	{"I2S2", NULL, "I2S2_Lpbk_Mux"},
795 };
796 
797 /* dai ops */
798 static int mtk_dai_connsys_i2s_hw_params(struct snd_pcm_substream *substream,
799 					 struct snd_pcm_hw_params *params,
800 					 struct snd_soc_dai *dai)
801 {
802 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
803 	unsigned int rate = params_rate(params);
804 	unsigned int rate_reg = mt8186_rate_transform(afe->dev,
805 						      rate, dai->id);
806 	unsigned int i2s_con = 0;
807 
808 	dev_dbg(afe->dev, "%s(), id %d, stream %d, rate %d\n",
809 		__func__, dai->id, substream->stream, rate);
810 
811 	/* non-inverse, i2s mode, slave, 16bits, from connsys */
812 	i2s_con |= 0 << INV_PAD_CTRL_SFT;
813 	i2s_con |= I2S_FMT_I2S << I2S_FMT_SFT;
814 	i2s_con |= 1 << I2S_SRC_SFT;
815 	i2s_con |= get_i2s_wlen(SNDRV_PCM_FORMAT_S16_LE) << I2S_WLEN_SFT;
816 	i2s_con |= 0 << I2SIN_PAD_SEL_SFT;
817 	regmap_write(afe->regmap, AFE_CONNSYS_I2S_CON, i2s_con);
818 
819 	/* use asrc */
820 	regmap_update_bits(afe->regmap, AFE_CONNSYS_I2S_CON,
821 			   I2S_BYPSRC_MASK_SFT, 0);
822 
823 	/* slave mode, set i2s for asrc */
824 	regmap_update_bits(afe->regmap, AFE_CONNSYS_I2S_CON,
825 			   I2S_MODE_MASK_SFT, rate_reg << I2S_MODE_SFT);
826 
827 	if (rate == 44100)
828 		regmap_write(afe->regmap, AFE_ASRC_2CH_CON3, 0x1b9000);
829 	else if (rate == 32000)
830 		regmap_write(afe->regmap, AFE_ASRC_2CH_CON3, 0x140000);
831 	else
832 		regmap_write(afe->regmap, AFE_ASRC_2CH_CON3, 0x1e0000);
833 
834 	/* Calibration setting */
835 	regmap_write(afe->regmap, AFE_ASRC_2CH_CON4, 0x140000);
836 	regmap_write(afe->regmap, AFE_ASRC_2CH_CON9, 0x36000);
837 	regmap_write(afe->regmap, AFE_ASRC_2CH_CON10, 0x2fc00);
838 	regmap_write(afe->regmap, AFE_ASRC_2CH_CON6, 0x7ef4);
839 	regmap_write(afe->regmap, AFE_ASRC_2CH_CON5, 0xff5986);
840 
841 	/* 0:Stereo 1:Mono */
842 	regmap_update_bits(afe->regmap, AFE_ASRC_2CH_CON2,
843 			   CHSET_IS_MONO_MASK_SFT, 0);
844 
845 	return 0;
846 }
847 
848 static int mtk_dai_connsys_i2s_trigger(struct snd_pcm_substream *substream,
849 				       int cmd, struct snd_soc_dai *dai)
850 {
851 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
852 	struct mt8186_afe_private *afe_priv = afe->platform_priv;
853 
854 	dev_dbg(afe->dev, "%s(), cmd %d, stream %d\n",
855 		__func__, cmd, substream->stream);
856 
857 	switch (cmd) {
858 	case SNDRV_PCM_TRIGGER_START:
859 	case SNDRV_PCM_TRIGGER_RESUME:
860 		/* i2s enable */
861 		regmap_update_bits(afe->regmap,
862 				   AFE_CONNSYS_I2S_CON,
863 				   I2S_EN_MASK_SFT,
864 				   BIT(I2S_EN_SFT));
865 
866 		/* calibrator enable */
867 		regmap_update_bits(afe->regmap,
868 				   AFE_ASRC_2CH_CON5,
869 				   CALI_EN_MASK_SFT,
870 				   BIT(CALI_EN_SFT));
871 
872 		/* asrc enable */
873 		regmap_update_bits(afe->regmap,
874 				   AFE_ASRC_2CH_CON0,
875 				   CON0_CHSET_STR_CLR_MASK_SFT,
876 				   BIT(CON0_CHSET_STR_CLR_SFT));
877 		regmap_update_bits(afe->regmap,
878 				   AFE_ASRC_2CH_CON0,
879 				   CON0_ASM_ON_MASK_SFT,
880 				   BIT(CON0_ASM_ON_SFT));
881 
882 		afe_priv->dai_on[dai->id] = true;
883 		return 0;
884 	case SNDRV_PCM_TRIGGER_STOP:
885 	case SNDRV_PCM_TRIGGER_SUSPEND:
886 		regmap_update_bits(afe->regmap, AFE_ASRC_2CH_CON0,
887 				   CON0_ASM_ON_MASK_SFT, 0);
888 		regmap_update_bits(afe->regmap, AFE_ASRC_2CH_CON5,
889 				   CALI_EN_MASK_SFT, 0);
890 
891 		/* i2s disable */
892 		regmap_update_bits(afe->regmap, AFE_CONNSYS_I2S_CON,
893 				   I2S_EN_MASK_SFT, 0);
894 
895 		/* bypass asrc */
896 		regmap_update_bits(afe->regmap, AFE_CONNSYS_I2S_CON,
897 				   I2S_BYPSRC_MASK_SFT, BIT(I2S_BYPSRC_SFT));
898 
899 		afe_priv->dai_on[dai->id] = false;
900 		return 0;
901 	default:
902 		return -EINVAL;
903 	}
904 	return 0;
905 }
906 
907 static const struct snd_soc_dai_ops mtk_dai_connsys_i2s_ops = {
908 	.hw_params = mtk_dai_connsys_i2s_hw_params,
909 	.trigger = mtk_dai_connsys_i2s_trigger,
910 };
911 
912 /* i2s */
913 static int mtk_dai_i2s_config(struct mtk_base_afe *afe,
914 			      struct snd_pcm_hw_params *params,
915 			      int i2s_id)
916 {
917 	struct mt8186_afe_private *afe_priv = afe->platform_priv;
918 	struct mtk_afe_i2s_priv *i2s_priv = afe_priv->dai_priv[i2s_id];
919 
920 	unsigned int rate = params_rate(params);
921 	unsigned int rate_reg = mt8186_rate_transform(afe->dev,
922 						      rate, i2s_id);
923 	snd_pcm_format_t format = params_format(params);
924 	unsigned int i2s_con = 0;
925 	int ret;
926 
927 	dev_dbg(afe->dev, "%s(), id %d, rate %d, format %d\n",
928 		__func__, i2s_id, rate, format);
929 
930 	i2s_priv->rate = rate;
931 
932 	switch (i2s_id) {
933 	case MT8186_DAI_I2S_0:
934 		i2s_con = I2S_IN_PAD_IO_MUX << I2SIN_PAD_SEL_SFT;
935 		i2s_con |= rate_reg << I2S_OUT_MODE_SFT;
936 		i2s_con |= I2S_FMT_I2S << I2S_FMT_SFT;
937 		i2s_con |= get_i2s_wlen(format) << I2S_WLEN_SFT;
938 		regmap_update_bits(afe->regmap, AFE_I2S_CON,
939 				   0xffffeffa, i2s_con);
940 		break;
941 	case MT8186_DAI_I2S_1:
942 		i2s_con = I2S1_SEL_O28_O29 << I2S2_SEL_O03_O04_SFT;
943 		i2s_con |= rate_reg << I2S2_OUT_MODE_SFT;
944 		i2s_con |= I2S_FMT_I2S << I2S2_FMT_SFT;
945 		i2s_con |= get_i2s_wlen(format) << I2S2_WLEN_SFT;
946 		regmap_update_bits(afe->regmap, AFE_I2S_CON1,
947 				   0xffffeffa, i2s_con);
948 		break;
949 	case MT8186_DAI_I2S_2:
950 		i2s_con = 8 << I2S3_UPDATE_WORD_SFT;
951 		i2s_con |= rate_reg << I2S3_OUT_MODE_SFT;
952 		i2s_con |= I2S_FMT_I2S << I2S3_FMT_SFT;
953 		i2s_con |= get_i2s_wlen(format) << I2S3_WLEN_SFT;
954 		regmap_update_bits(afe->regmap, AFE_I2S_CON2,
955 				   0xffffeffa, i2s_con);
956 		break;
957 	case MT8186_DAI_I2S_3:
958 		i2s_con = rate_reg << I2S4_OUT_MODE_SFT;
959 		i2s_con |= I2S_FMT_I2S << I2S4_FMT_SFT;
960 		i2s_con |= get_i2s_wlen(format) << I2S4_WLEN_SFT;
961 		regmap_update_bits(afe->regmap, AFE_I2S_CON3,
962 				   0xffffeffa, i2s_con);
963 		break;
964 	default:
965 		dev_err(afe->dev, "%s(), id %d not support\n",
966 			__func__, i2s_id);
967 		return -EINVAL;
968 	}
969 
970 	/* set share i2s */
971 	if (i2s_priv && i2s_priv->share_i2s_id >= 0) {
972 		ret = mtk_dai_i2s_config(afe, params, i2s_priv->share_i2s_id);
973 		if (ret)
974 			return ret;
975 	}
976 
977 	return 0;
978 }
979 
980 static int mtk_dai_i2s_hw_params(struct snd_pcm_substream *substream,
981 				 struct snd_pcm_hw_params *params,
982 				 struct snd_soc_dai *dai)
983 {
984 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
985 
986 	return mtk_dai_i2s_config(afe, params, dai->id);
987 }
988 
989 static int mtk_dai_i2s_set_sysclk(struct snd_soc_dai *dai,
990 				  int clk_id, unsigned int freq, int dir)
991 {
992 	struct mtk_base_afe *afe = dev_get_drvdata(dai->dev);
993 	struct mt8186_afe_private *afe_priv = afe->platform_priv;
994 	struct mtk_afe_i2s_priv *i2s_priv = afe_priv->dai_priv[dai->id];
995 	int apll;
996 	int apll_rate;
997 
998 	if (dir != SND_SOC_CLOCK_OUT) {
999 		dev_err(afe->dev, "%s(), dir != SND_SOC_CLOCK_OUT", __func__);
1000 		return -EINVAL;
1001 	}
1002 
1003 	dev_dbg(afe->dev, "%s(), freq %d\n", __func__, freq);
1004 
1005 	apll = mt8186_get_apll_by_rate(afe, freq);
1006 	apll_rate = mt8186_get_apll_rate(afe, apll);
1007 
1008 	if (freq > apll_rate) {
1009 		dev_err(afe->dev, "%s(), freq > apll rate", __func__);
1010 		return -EINVAL;
1011 	}
1012 
1013 	if (apll_rate % freq != 0) {
1014 		dev_err(afe->dev, "%s(), APLL cannot generate freq Hz", __func__);
1015 		return -EINVAL;
1016 	}
1017 
1018 	i2s_priv->mclk_rate = freq;
1019 	i2s_priv->mclk_apll = apll;
1020 
1021 	if (i2s_priv->share_i2s_id > 0) {
1022 		struct mtk_afe_i2s_priv *share_i2s_priv;
1023 
1024 		share_i2s_priv = afe_priv->dai_priv[i2s_priv->share_i2s_id];
1025 		if (!share_i2s_priv) {
1026 			dev_err(afe->dev, "%s(), share_i2s_priv == NULL", __func__);
1027 			return -EINVAL;
1028 		}
1029 
1030 		share_i2s_priv->mclk_rate = i2s_priv->mclk_rate;
1031 		share_i2s_priv->mclk_apll = i2s_priv->mclk_apll;
1032 	}
1033 
1034 	return 0;
1035 }
1036 
1037 static const struct snd_soc_dai_ops mtk_dai_i2s_ops = {
1038 	.hw_params = mtk_dai_i2s_hw_params,
1039 	.set_sysclk = mtk_dai_i2s_set_sysclk,
1040 };
1041 
1042 /* dai driver */
1043 #define MTK_CONNSYS_I2S_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1044 
1045 #define MTK_I2S_RATES (SNDRV_PCM_RATE_8000_48000 |\
1046 		       SNDRV_PCM_RATE_88200 |\
1047 		       SNDRV_PCM_RATE_96000 |\
1048 		       SNDRV_PCM_RATE_176400 |\
1049 		       SNDRV_PCM_RATE_192000)
1050 
1051 #define MTK_I2S_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
1052 			 SNDRV_PCM_FMTBIT_S24_LE |\
1053 			 SNDRV_PCM_FMTBIT_S32_LE)
1054 
1055 static struct snd_soc_dai_driver mtk_dai_i2s_driver[] = {
1056 	{
1057 		.name = "CONNSYS_I2S",
1058 		.id = MT8186_DAI_CONNSYS_I2S,
1059 		.capture = {
1060 			.stream_name = "Connsys I2S",
1061 			.channels_min = 1,
1062 			.channels_max = 2,
1063 			.rates = MTK_CONNSYS_I2S_RATES,
1064 			.formats = MTK_I2S_FORMATS,
1065 		},
1066 		.ops = &mtk_dai_connsys_i2s_ops,
1067 	},
1068 	{
1069 		.name = "I2S0",
1070 		.id = MT8186_DAI_I2S_0,
1071 		.capture = {
1072 			.stream_name = "I2S0",
1073 			.channels_min = 1,
1074 			.channels_max = 2,
1075 			.rates = MTK_I2S_RATES,
1076 			.formats = MTK_I2S_FORMATS,
1077 		},
1078 		.ops = &mtk_dai_i2s_ops,
1079 	},
1080 	{
1081 		.name = "I2S1",
1082 		.id = MT8186_DAI_I2S_1,
1083 		.playback = {
1084 			.stream_name = "I2S1",
1085 			.channels_min = 1,
1086 			.channels_max = 2,
1087 			.rates = MTK_I2S_RATES,
1088 			.formats = MTK_I2S_FORMATS,
1089 		},
1090 		.ops = &mtk_dai_i2s_ops,
1091 	},
1092 	{
1093 		.name = "I2S2",
1094 		.id = MT8186_DAI_I2S_2,
1095 		.capture = {
1096 			.stream_name = "I2S2",
1097 			.channels_min = 1,
1098 			.channels_max = 2,
1099 			.rates = MTK_I2S_RATES,
1100 			.formats = MTK_I2S_FORMATS,
1101 		},
1102 		.ops = &mtk_dai_i2s_ops,
1103 	},
1104 	{
1105 		.name = "I2S3",
1106 		.id = MT8186_DAI_I2S_3,
1107 		.playback = {
1108 			.stream_name = "I2S3",
1109 			.channels_min = 1,
1110 			.channels_max = 2,
1111 			.rates = MTK_I2S_RATES,
1112 			.formats = MTK_I2S_FORMATS,
1113 		},
1114 		.ops = &mtk_dai_i2s_ops,
1115 	}
1116 };
1117 
1118 /* this enum is merely for mtk_afe_i2s_priv declare */
1119 enum {
1120 	DAI_I2S0 = 0,
1121 	DAI_I2S1,
1122 	DAI_I2S2,
1123 	DAI_I2S3,
1124 	DAI_I2S_NUM,
1125 };
1126 
1127 static const struct mtk_afe_i2s_priv mt8186_i2s_priv[DAI_I2S_NUM] = {
1128 	[DAI_I2S0] = {
1129 		.id = MT8186_DAI_I2S_0,
1130 		.mclk_id = MT8186_I2S0_MCK,
1131 		.share_property_name = "i2s0-share",
1132 		.share_i2s_id = -1,
1133 	},
1134 	[DAI_I2S1] = {
1135 		.id = MT8186_DAI_I2S_1,
1136 		.mclk_id = MT8186_I2S1_MCK,
1137 		.share_property_name = "i2s1-share",
1138 		.share_i2s_id = -1,
1139 	},
1140 	[DAI_I2S2] = {
1141 		.id = MT8186_DAI_I2S_2,
1142 		.mclk_id = MT8186_I2S2_MCK,
1143 		.share_property_name = "i2s2-share",
1144 		.share_i2s_id = -1,
1145 	},
1146 	[DAI_I2S3] = {
1147 		.id = MT8186_DAI_I2S_3,
1148 		/*  clock gate naming is hf_faud_i2s4_m_ck*/
1149 		.mclk_id = MT8186_I2S4_MCK,
1150 		.share_property_name = "i2s3-share",
1151 		.share_i2s_id = -1,
1152 	}
1153 };
1154 
1155 static int mt8186_dai_i2s_get_share(struct mtk_base_afe *afe)
1156 {
1157 	struct mt8186_afe_private *afe_priv = afe->platform_priv;
1158 	const struct device_node *of_node = afe->dev->of_node;
1159 	const char *of_str;
1160 	const char *property_name;
1161 	struct mtk_afe_i2s_priv *i2s_priv;
1162 	int i;
1163 
1164 	for (i = 0; i < DAI_I2S_NUM; i++) {
1165 		i2s_priv = afe_priv->dai_priv[mt8186_i2s_priv[i].id];
1166 		property_name = mt8186_i2s_priv[i].share_property_name;
1167 		if (of_property_read_string(of_node, property_name, &of_str))
1168 			continue;
1169 		i2s_priv->share_i2s_id = get_i2s_id_by_name(afe, of_str);
1170 	}
1171 
1172 	return 0;
1173 }
1174 
1175 static int mt8186_dai_i2s_set_priv(struct mtk_base_afe *afe)
1176 {
1177 	int i;
1178 	int ret;
1179 
1180 	for (i = 0; i < DAI_I2S_NUM; i++) {
1181 		ret = mt8186_dai_set_priv(afe, mt8186_i2s_priv[i].id,
1182 					  sizeof(struct mtk_afe_i2s_priv),
1183 					  &mt8186_i2s_priv[i]);
1184 		if (ret)
1185 			return ret;
1186 	}
1187 
1188 	return 0;
1189 }
1190 
1191 int mt8186_dai_i2s_register(struct mtk_base_afe *afe)
1192 {
1193 	struct mtk_base_afe_dai *dai;
1194 	int ret;
1195 
1196 	dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
1197 	if (!dai)
1198 		return -ENOMEM;
1199 
1200 	list_add(&dai->list, &afe->sub_dais);
1201 
1202 	dai->dai_drivers = mtk_dai_i2s_driver;
1203 	dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_i2s_driver);
1204 
1205 	dai->controls = mtk_dai_i2s_controls;
1206 	dai->num_controls = ARRAY_SIZE(mtk_dai_i2s_controls);
1207 	dai->dapm_widgets = mtk_dai_i2s_widgets;
1208 	dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_i2s_widgets);
1209 	dai->dapm_routes = mtk_dai_i2s_routes;
1210 	dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_i2s_routes);
1211 
1212 	/* set all dai i2s private data */
1213 	ret = mt8186_dai_i2s_set_priv(afe);
1214 	if (ret)
1215 		return ret;
1216 
1217 	/* parse share i2s */
1218 	ret = mt8186_dai_i2s_get_share(afe);
1219 	if (ret)
1220 		return ret;
1221 
1222 	return 0;
1223 }
1224