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 <kaichieh.chuang@mediatek.com>
7 
8 #include <linux/bitops.h>
9 #include <linux/regmap.h>
10 #include <sound/pcm_params.h>
11 #include "mt8183-afe-clk.h"
12 #include "mt8183-afe-common.h"
13 #include "mt8183-interconnection.h"
14 #include "mt8183-reg.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 
46 	int share_i2s_id;
47 
48 	int mclk_id;
49 	int mclk_rate;
50 	int mclk_apll;
51 
52 	int use_eiaj;
53 };
54 
get_i2s_wlen(snd_pcm_format_t format)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_I2S5_KCONTROL_NAME "I2S5_HD_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 #define I2S5_HD_EN_W_NAME "I2S5_HD_EN"
72 
73 #define I2S0_MCLK_EN_W_NAME "I2S0_MCLK_EN"
74 #define I2S1_MCLK_EN_W_NAME "I2S1_MCLK_EN"
75 #define I2S2_MCLK_EN_W_NAME "I2S2_MCLK_EN"
76 #define I2S3_MCLK_EN_W_NAME "I2S3_MCLK_EN"
77 #define I2S5_MCLK_EN_W_NAME "I2S5_MCLK_EN"
78 
get_i2s_id_by_name(struct mtk_base_afe * afe,const char * name)79 static int get_i2s_id_by_name(struct mtk_base_afe *afe,
80 			      const char *name)
81 {
82 	if (strncmp(name, "I2S0", 4) == 0)
83 		return MT8183_DAI_I2S_0;
84 	else if (strncmp(name, "I2S1", 4) == 0)
85 		return MT8183_DAI_I2S_1;
86 	else if (strncmp(name, "I2S2", 4) == 0)
87 		return MT8183_DAI_I2S_2;
88 	else if (strncmp(name, "I2S3", 4) == 0)
89 		return MT8183_DAI_I2S_3;
90 	else if (strncmp(name, "I2S5", 4) == 0)
91 		return MT8183_DAI_I2S_5;
92 	else
93 		return -EINVAL;
94 }
95 
get_i2s_priv_by_name(struct mtk_base_afe * afe,const char * name)96 static struct mtk_afe_i2s_priv *get_i2s_priv_by_name(struct mtk_base_afe *afe,
97 						     const char *name)
98 {
99 	struct mt8183_afe_private *afe_priv = afe->platform_priv;
100 	int dai_id = get_i2s_id_by_name(afe, name);
101 
102 	if (dai_id < 0)
103 		return NULL;
104 
105 	return afe_priv->dai_priv[dai_id];
106 }
107 
108 /* low jitter control */
109 static const char * const mt8183_i2s_hd_str[] = {
110 	"Normal", "Low_Jitter"
111 };
112 
113 static const struct soc_enum mt8183_i2s_enum[] = {
114 	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mt8183_i2s_hd_str),
115 			    mt8183_i2s_hd_str),
116 };
117 
mt8183_i2s_hd_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)118 static int mt8183_i2s_hd_get(struct snd_kcontrol *kcontrol,
119 			     struct snd_ctl_elem_value *ucontrol)
120 {
121 	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
122 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
123 	struct mtk_afe_i2s_priv *i2s_priv;
124 
125 	i2s_priv = get_i2s_priv_by_name(afe, kcontrol->id.name);
126 
127 	if (!i2s_priv) {
128 		dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
129 		return -EINVAL;
130 	}
131 
132 	ucontrol->value.integer.value[0] = i2s_priv->low_jitter_en;
133 
134 	return 0;
135 }
136 
mt8183_i2s_hd_set(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)137 static int mt8183_i2s_hd_set(struct snd_kcontrol *kcontrol,
138 			     struct snd_ctl_elem_value *ucontrol)
139 {
140 	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
141 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
142 	struct mtk_afe_i2s_priv *i2s_priv;
143 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
144 	int hd_en, change;
145 
146 	if (ucontrol->value.enumerated.item[0] >= e->items)
147 		return -EINVAL;
148 
149 	hd_en = ucontrol->value.integer.value[0];
150 
151 	i2s_priv = get_i2s_priv_by_name(afe, kcontrol->id.name);
152 
153 	if (!i2s_priv) {
154 		dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
155 		return -EINVAL;
156 	}
157 
158 	change = i2s_priv->low_jitter_en != hd_en;
159 	i2s_priv->low_jitter_en = hd_en;
160 
161 	return change;
162 }
163 
164 static const struct snd_kcontrol_new mtk_dai_i2s_controls[] = {
165 	SOC_ENUM_EXT(MTK_AFE_I2S0_KCONTROL_NAME, mt8183_i2s_enum[0],
166 		     mt8183_i2s_hd_get, mt8183_i2s_hd_set),
167 	SOC_ENUM_EXT(MTK_AFE_I2S1_KCONTROL_NAME, mt8183_i2s_enum[0],
168 		     mt8183_i2s_hd_get, mt8183_i2s_hd_set),
169 	SOC_ENUM_EXT(MTK_AFE_I2S2_KCONTROL_NAME, mt8183_i2s_enum[0],
170 		     mt8183_i2s_hd_get, mt8183_i2s_hd_set),
171 	SOC_ENUM_EXT(MTK_AFE_I2S3_KCONTROL_NAME, mt8183_i2s_enum[0],
172 		     mt8183_i2s_hd_get, mt8183_i2s_hd_set),
173 	SOC_ENUM_EXT(MTK_AFE_I2S5_KCONTROL_NAME, mt8183_i2s_enum[0],
174 		     mt8183_i2s_hd_get, mt8183_i2s_hd_set),
175 };
176 
177 /* dai component */
178 /* interconnection */
179 static const struct snd_kcontrol_new mtk_i2s3_ch1_mix[] = {
180 	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN0, I_DL1_CH1, 1, 0),
181 	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN0, I_DL2_CH1, 1, 0),
182 	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN0, I_DL3_CH1, 1, 0),
183 	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN0,
184 				    I_ADDA_UL_CH1, 1, 0),
185 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN0,
186 				    I_PCM_1_CAP_CH1, 1, 0),
187 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN0,
188 				    I_PCM_2_CAP_CH1, 1, 0),
189 };
190 
191 static const struct snd_kcontrol_new mtk_i2s3_ch2_mix[] = {
192 	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN1, I_DL1_CH2, 1, 0),
193 	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN1, I_DL2_CH2, 1, 0),
194 	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN1, I_DL3_CH2, 1, 0),
195 	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN1,
196 				    I_ADDA_UL_CH2, 1, 0),
197 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN1,
198 				    I_PCM_1_CAP_CH1, 1, 0),
199 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN1,
200 				    I_PCM_2_CAP_CH1, 1, 0),
201 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH2", AFE_CONN1,
202 				    I_PCM_1_CAP_CH2, 1, 0),
203 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH2", AFE_CONN1,
204 				    I_PCM_2_CAP_CH2, 1, 0),
205 };
206 
207 static const struct snd_kcontrol_new mtk_i2s1_ch1_mix[] = {
208 	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN28, I_DL1_CH1, 1, 0),
209 	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN28, I_DL2_CH1, 1, 0),
210 	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN28, I_DL3_CH1, 1, 0),
211 	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN28,
212 				    I_ADDA_UL_CH1, 1, 0),
213 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN28,
214 				    I_PCM_1_CAP_CH1, 1, 0),
215 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN28,
216 				    I_PCM_2_CAP_CH1, 1, 0),
217 };
218 
219 static const struct snd_kcontrol_new mtk_i2s1_ch2_mix[] = {
220 	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN29, I_DL1_CH2, 1, 0),
221 	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN29, I_DL2_CH2, 1, 0),
222 	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN29, I_DL3_CH2, 1, 0),
223 	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN29,
224 				    I_ADDA_UL_CH2, 1, 0),
225 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN29,
226 				    I_PCM_1_CAP_CH1, 1, 0),
227 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN29,
228 				    I_PCM_2_CAP_CH1, 1, 0),
229 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH2", AFE_CONN29,
230 				    I_PCM_1_CAP_CH2, 1, 0),
231 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH2", AFE_CONN29,
232 				    I_PCM_2_CAP_CH2, 1, 0),
233 };
234 
235 static const struct snd_kcontrol_new mtk_i2s5_ch1_mix[] = {
236 	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN30, I_DL1_CH1, 1, 0),
237 	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN30, I_DL2_CH1, 1, 0),
238 	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN30, I_DL3_CH1, 1, 0),
239 	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN30,
240 				    I_ADDA_UL_CH1, 1, 0),
241 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN30,
242 				    I_PCM_1_CAP_CH1, 1, 0),
243 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN30,
244 				    I_PCM_2_CAP_CH1, 1, 0),
245 };
246 
247 static const struct snd_kcontrol_new mtk_i2s5_ch2_mix[] = {
248 	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN31, I_DL1_CH2, 1, 0),
249 	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN31, I_DL2_CH2, 1, 0),
250 	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN31, I_DL3_CH2, 1, 0),
251 	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN31,
252 				    I_ADDA_UL_CH2, 1, 0),
253 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN31,
254 				    I_PCM_1_CAP_CH1, 1, 0),
255 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN31,
256 				    I_PCM_2_CAP_CH1, 1, 0),
257 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH2", AFE_CONN31,
258 				    I_PCM_1_CAP_CH2, 1, 0),
259 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH2", AFE_CONN31,
260 				    I_PCM_2_CAP_CH2, 1, 0),
261 };
262 
263 enum {
264 	SUPPLY_SEQ_APLL,
265 	SUPPLY_SEQ_I2S_MCLK_EN,
266 	SUPPLY_SEQ_I2S_HD_EN,
267 	SUPPLY_SEQ_I2S_EN,
268 };
269 
mtk_apll_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)270 static int mtk_apll_event(struct snd_soc_dapm_widget *w,
271 			  struct snd_kcontrol *kcontrol,
272 			  int event)
273 {
274 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
275 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
276 
277 	switch (event) {
278 	case SND_SOC_DAPM_PRE_PMU:
279 		if (strcmp(w->name, APLL1_W_NAME) == 0)
280 			mt8183_apll1_enable(afe);
281 		else
282 			mt8183_apll2_enable(afe);
283 		break;
284 	case SND_SOC_DAPM_POST_PMD:
285 		if (strcmp(w->name, APLL1_W_NAME) == 0)
286 			mt8183_apll1_disable(afe);
287 		else
288 			mt8183_apll2_disable(afe);
289 		break;
290 	default:
291 		break;
292 	}
293 
294 	return 0;
295 }
296 
mtk_mclk_en_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)297 static int mtk_mclk_en_event(struct snd_soc_dapm_widget *w,
298 			     struct snd_kcontrol *kcontrol,
299 			     int event)
300 {
301 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
302 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
303 	struct mtk_afe_i2s_priv *i2s_priv;
304 
305 	i2s_priv = get_i2s_priv_by_name(afe, w->name);
306 
307 	if (!i2s_priv) {
308 		dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
309 		return -EINVAL;
310 	}
311 
312 	switch (event) {
313 	case SND_SOC_DAPM_PRE_PMU:
314 		mt8183_mck_enable(afe, i2s_priv->mclk_id, i2s_priv->mclk_rate);
315 		break;
316 	case SND_SOC_DAPM_POST_PMD:
317 		i2s_priv->mclk_rate = 0;
318 		mt8183_mck_disable(afe, i2s_priv->mclk_id);
319 		break;
320 	default:
321 		break;
322 	}
323 
324 	return 0;
325 }
326 
327 static const struct snd_soc_dapm_widget mtk_dai_i2s_widgets[] = {
328 	SND_SOC_DAPM_MIXER("I2S1_CH1", SND_SOC_NOPM, 0, 0,
329 			   mtk_i2s1_ch1_mix,
330 			   ARRAY_SIZE(mtk_i2s1_ch1_mix)),
331 	SND_SOC_DAPM_MIXER("I2S1_CH2", SND_SOC_NOPM, 0, 0,
332 			   mtk_i2s1_ch2_mix,
333 			   ARRAY_SIZE(mtk_i2s1_ch2_mix)),
334 
335 	SND_SOC_DAPM_MIXER("I2S3_CH1", SND_SOC_NOPM, 0, 0,
336 			   mtk_i2s3_ch1_mix,
337 			   ARRAY_SIZE(mtk_i2s3_ch1_mix)),
338 	SND_SOC_DAPM_MIXER("I2S3_CH2", SND_SOC_NOPM, 0, 0,
339 			   mtk_i2s3_ch2_mix,
340 			   ARRAY_SIZE(mtk_i2s3_ch2_mix)),
341 
342 	SND_SOC_DAPM_MIXER("I2S5_CH1", SND_SOC_NOPM, 0, 0,
343 			   mtk_i2s5_ch1_mix,
344 			   ARRAY_SIZE(mtk_i2s5_ch1_mix)),
345 	SND_SOC_DAPM_MIXER("I2S5_CH2", SND_SOC_NOPM, 0, 0,
346 			   mtk_i2s5_ch2_mix,
347 			   ARRAY_SIZE(mtk_i2s5_ch2_mix)),
348 
349 	/* i2s en*/
350 	SND_SOC_DAPM_SUPPLY_S("I2S0_EN", SUPPLY_SEQ_I2S_EN,
351 			      AFE_I2S_CON, I2S_EN_SFT, 0,
352 			      NULL, 0),
353 	SND_SOC_DAPM_SUPPLY_S("I2S1_EN", SUPPLY_SEQ_I2S_EN,
354 			      AFE_I2S_CON1, I2S_EN_SFT, 0,
355 			      NULL, 0),
356 	SND_SOC_DAPM_SUPPLY_S("I2S2_EN", SUPPLY_SEQ_I2S_EN,
357 			      AFE_I2S_CON2, I2S_EN_SFT, 0,
358 			      NULL, 0),
359 	SND_SOC_DAPM_SUPPLY_S("I2S3_EN", SUPPLY_SEQ_I2S_EN,
360 			      AFE_I2S_CON3, I2S_EN_SFT, 0,
361 			      NULL, 0),
362 	SND_SOC_DAPM_SUPPLY_S("I2S5_EN", SUPPLY_SEQ_I2S_EN,
363 			      AFE_I2S_CON4, I2S5_EN_SFT, 0,
364 			      NULL, 0),
365 	/* i2s hd en */
366 	SND_SOC_DAPM_SUPPLY_S(I2S0_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
367 			      AFE_I2S_CON, I2S1_HD_EN_SFT, 0,
368 			      NULL, 0),
369 	SND_SOC_DAPM_SUPPLY_S(I2S1_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
370 			      AFE_I2S_CON1, I2S2_HD_EN_SFT, 0,
371 			      NULL, 0),
372 	SND_SOC_DAPM_SUPPLY_S(I2S2_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
373 			      AFE_I2S_CON2, I2S3_HD_EN_SFT, 0,
374 			      NULL, 0),
375 	SND_SOC_DAPM_SUPPLY_S(I2S3_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
376 			      AFE_I2S_CON3, I2S4_HD_EN_SFT, 0,
377 			      NULL, 0),
378 	SND_SOC_DAPM_SUPPLY_S(I2S5_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
379 			      AFE_I2S_CON4, I2S5_HD_EN_SFT, 0,
380 			      NULL, 0),
381 
382 	/* i2s mclk en */
383 	SND_SOC_DAPM_SUPPLY_S(I2S0_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
384 			      SND_SOC_NOPM, 0, 0,
385 			      mtk_mclk_en_event,
386 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
387 	SND_SOC_DAPM_SUPPLY_S(I2S1_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
388 			      SND_SOC_NOPM, 0, 0,
389 			      mtk_mclk_en_event,
390 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
391 	SND_SOC_DAPM_SUPPLY_S(I2S2_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
392 			      SND_SOC_NOPM, 0, 0,
393 			      mtk_mclk_en_event,
394 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
395 	SND_SOC_DAPM_SUPPLY_S(I2S3_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
396 			      SND_SOC_NOPM, 0, 0,
397 			      mtk_mclk_en_event,
398 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
399 	SND_SOC_DAPM_SUPPLY_S(I2S5_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
400 			      SND_SOC_NOPM, 0, 0,
401 			      mtk_mclk_en_event,
402 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
403 
404 	/* apll */
405 	SND_SOC_DAPM_SUPPLY_S(APLL1_W_NAME, SUPPLY_SEQ_APLL,
406 			      SND_SOC_NOPM, 0, 0,
407 			      mtk_apll_event,
408 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
409 	SND_SOC_DAPM_SUPPLY_S(APLL2_W_NAME, SUPPLY_SEQ_APLL,
410 			      SND_SOC_NOPM, 0, 0,
411 			      mtk_apll_event,
412 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
413 };
414 
mtk_afe_i2s_share_connect(struct snd_soc_dapm_widget * source,struct snd_soc_dapm_widget * sink)415 static int mtk_afe_i2s_share_connect(struct snd_soc_dapm_widget *source,
416 				     struct snd_soc_dapm_widget *sink)
417 {
418 	struct snd_soc_dapm_widget *w = sink;
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 	i2s_priv = get_i2s_priv_by_name(afe, sink->name);
424 
425 	if (!i2s_priv) {
426 		dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
427 		return 0;
428 	}
429 
430 	if (i2s_priv->share_i2s_id < 0)
431 		return 0;
432 
433 	return i2s_priv->share_i2s_id == get_i2s_id_by_name(afe, source->name);
434 }
435 
mtk_afe_i2s_hd_connect(struct snd_soc_dapm_widget * source,struct snd_soc_dapm_widget * sink)436 static int mtk_afe_i2s_hd_connect(struct snd_soc_dapm_widget *source,
437 				  struct snd_soc_dapm_widget *sink)
438 {
439 	struct snd_soc_dapm_widget *w = sink;
440 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
441 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
442 	struct mtk_afe_i2s_priv *i2s_priv;
443 
444 	i2s_priv = get_i2s_priv_by_name(afe, sink->name);
445 
446 	if (!i2s_priv) {
447 		dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
448 		return 0;
449 	}
450 
451 	if (get_i2s_id_by_name(afe, sink->name) ==
452 	    get_i2s_id_by_name(afe, source->name))
453 		return i2s_priv->low_jitter_en;
454 
455 	/* check if share i2s need hd en */
456 	if (i2s_priv->share_i2s_id < 0)
457 		return 0;
458 
459 	if (i2s_priv->share_i2s_id == get_i2s_id_by_name(afe, source->name))
460 		return i2s_priv->low_jitter_en;
461 
462 	return 0;
463 }
464 
mtk_afe_i2s_apll_connect(struct snd_soc_dapm_widget * source,struct snd_soc_dapm_widget * sink)465 static int mtk_afe_i2s_apll_connect(struct snd_soc_dapm_widget *source,
466 				    struct snd_soc_dapm_widget *sink)
467 {
468 	struct snd_soc_dapm_widget *w = sink;
469 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
470 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
471 	struct mtk_afe_i2s_priv *i2s_priv;
472 	int cur_apll;
473 	int i2s_need_apll;
474 
475 	i2s_priv = get_i2s_priv_by_name(afe, w->name);
476 
477 	if (!i2s_priv) {
478 		dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
479 		return 0;
480 	}
481 
482 	/* which apll */
483 	cur_apll = mt8183_get_apll_by_name(afe, source->name);
484 
485 	/* choose APLL from i2s rate */
486 	i2s_need_apll = mt8183_get_apll_by_rate(afe, i2s_priv->rate);
487 
488 	return (i2s_need_apll == cur_apll) ? 1 : 0;
489 }
490 
mtk_afe_i2s_mclk_connect(struct snd_soc_dapm_widget * source,struct snd_soc_dapm_widget * sink)491 static int mtk_afe_i2s_mclk_connect(struct snd_soc_dapm_widget *source,
492 				    struct snd_soc_dapm_widget *sink)
493 {
494 	struct snd_soc_dapm_widget *w = sink;
495 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
496 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
497 	struct mtk_afe_i2s_priv *i2s_priv;
498 
499 	i2s_priv = get_i2s_priv_by_name(afe, sink->name);
500 
501 	if (!i2s_priv) {
502 		dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
503 		return 0;
504 	}
505 
506 	if (get_i2s_id_by_name(afe, sink->name) ==
507 	    get_i2s_id_by_name(afe, source->name))
508 		return (i2s_priv->mclk_rate > 0) ? 1 : 0;
509 
510 	/* check if share i2s need mclk */
511 	if (i2s_priv->share_i2s_id < 0)
512 		return 0;
513 
514 	if (i2s_priv->share_i2s_id == get_i2s_id_by_name(afe, source->name))
515 		return (i2s_priv->mclk_rate > 0) ? 1 : 0;
516 
517 	return 0;
518 }
519 
mtk_afe_mclk_apll_connect(struct snd_soc_dapm_widget * source,struct snd_soc_dapm_widget * sink)520 static int mtk_afe_mclk_apll_connect(struct snd_soc_dapm_widget *source,
521 				     struct snd_soc_dapm_widget *sink)
522 {
523 	struct snd_soc_dapm_widget *w = sink;
524 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
525 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
526 	struct mtk_afe_i2s_priv *i2s_priv;
527 	int cur_apll;
528 
529 	i2s_priv = get_i2s_priv_by_name(afe, w->name);
530 
531 	if (!i2s_priv) {
532 		dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
533 		return 0;
534 	}
535 
536 	/* which apll */
537 	cur_apll = mt8183_get_apll_by_name(afe, source->name);
538 
539 	return (i2s_priv->mclk_apll == cur_apll) ? 1 : 0;
540 }
541 
542 static const struct snd_soc_dapm_route mtk_dai_i2s_routes[] = {
543 	/* i2s0 */
544 	{"I2S0", NULL, "I2S0_EN"},
545 	{"I2S0", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
546 	{"I2S0", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
547 	{"I2S0", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
548 	{"I2S0", NULL, "I2S5_EN", mtk_afe_i2s_share_connect},
549 
550 	{"I2S0", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
551 	{"I2S0", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
552 	{"I2S0", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
553 	{"I2S0", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
554 	{"I2S0", NULL, I2S5_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
555 	{I2S0_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
556 	{I2S0_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
557 
558 	{"I2S0", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
559 	{"I2S0", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
560 	{"I2S0", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
561 	{"I2S0", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
562 	{"I2S0", NULL, I2S5_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
563 	{I2S0_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
564 	{I2S0_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
565 
566 	/* i2s1 */
567 	{"I2S1_CH1", "DL1_CH1", "DL1"},
568 	{"I2S1_CH2", "DL1_CH2", "DL1"},
569 
570 	{"I2S1_CH1", "DL2_CH1", "DL2"},
571 	{"I2S1_CH2", "DL2_CH2", "DL2"},
572 
573 	{"I2S1_CH1", "DL3_CH1", "DL3"},
574 	{"I2S1_CH2", "DL3_CH2", "DL3"},
575 
576 	{"I2S1", NULL, "I2S1_CH1"},
577 	{"I2S1", NULL, "I2S1_CH2"},
578 
579 	{"I2S1", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
580 	{"I2S1", NULL, "I2S1_EN"},
581 	{"I2S1", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
582 	{"I2S1", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
583 	{"I2S1", NULL, "I2S5_EN", mtk_afe_i2s_share_connect},
584 
585 	{"I2S1", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
586 	{"I2S1", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
587 	{"I2S1", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
588 	{"I2S1", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
589 	{"I2S1", NULL, I2S5_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
590 	{I2S1_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
591 	{I2S1_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
592 
593 	{"I2S1", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
594 	{"I2S1", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
595 	{"I2S1", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
596 	{"I2S1", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
597 	{"I2S1", NULL, I2S5_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
598 	{I2S1_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
599 	{I2S1_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
600 
601 	/* i2s2 */
602 	{"I2S2", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
603 	{"I2S2", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
604 	{"I2S2", NULL, "I2S2_EN"},
605 	{"I2S2", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
606 	{"I2S2", NULL, "I2S5_EN", mtk_afe_i2s_share_connect},
607 
608 	{"I2S2", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
609 	{"I2S2", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
610 	{"I2S2", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
611 	{"I2S2", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
612 	{"I2S2", NULL, I2S5_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
613 	{I2S2_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
614 	{I2S2_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
615 
616 	{"I2S2", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
617 	{"I2S2", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
618 	{"I2S2", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
619 	{"I2S2", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
620 	{"I2S2", NULL, I2S5_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
621 	{I2S2_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
622 	{I2S2_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
623 
624 	/* i2s3 */
625 	{"I2S3_CH1", "DL1_CH1", "DL1"},
626 	{"I2S3_CH2", "DL1_CH2", "DL1"},
627 
628 	{"I2S3_CH1", "DL2_CH1", "DL2"},
629 	{"I2S3_CH2", "DL2_CH2", "DL2"},
630 
631 	{"I2S3_CH1", "DL3_CH1", "DL3"},
632 	{"I2S3_CH2", "DL3_CH2", "DL3"},
633 
634 	{"I2S3", NULL, "I2S3_CH1"},
635 	{"I2S3", NULL, "I2S3_CH2"},
636 
637 	{"I2S3", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
638 	{"I2S3", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
639 	{"I2S3", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
640 	{"I2S3", NULL, "I2S3_EN"},
641 	{"I2S3", NULL, "I2S5_EN", mtk_afe_i2s_share_connect},
642 
643 	{"I2S3", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
644 	{"I2S3", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
645 	{"I2S3", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
646 	{"I2S3", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
647 	{"I2S3", NULL, I2S5_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
648 	{I2S3_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
649 	{I2S3_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
650 
651 	{"I2S3", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
652 	{"I2S3", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
653 	{"I2S3", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
654 	{"I2S3", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
655 	{"I2S3", NULL, I2S5_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
656 	{I2S3_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
657 	{I2S3_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
658 
659 	/* i2s5 */
660 	{"I2S5_CH1", "DL1_CH1", "DL1"},
661 	{"I2S5_CH2", "DL1_CH2", "DL1"},
662 
663 	{"I2S5_CH1", "DL2_CH1", "DL2"},
664 	{"I2S5_CH2", "DL2_CH2", "DL2"},
665 
666 	{"I2S5_CH1", "DL3_CH1", "DL3"},
667 	{"I2S5_CH2", "DL3_CH2", "DL3"},
668 
669 	{"I2S5", NULL, "I2S5_CH1"},
670 	{"I2S5", NULL, "I2S5_CH2"},
671 
672 	{"I2S5", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
673 	{"I2S5", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
674 	{"I2S5", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
675 	{"I2S5", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
676 	{"I2S5", NULL, "I2S5_EN"},
677 
678 	{"I2S5", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
679 	{"I2S5", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
680 	{"I2S5", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
681 	{"I2S5", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
682 	{"I2S5", NULL, I2S5_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
683 	{I2S5_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
684 	{I2S5_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
685 
686 	{"I2S5", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
687 	{"I2S5", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
688 	{"I2S5", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
689 	{"I2S5", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
690 	{"I2S5", NULL, I2S5_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
691 	{I2S5_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
692 	{I2S5_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
693 };
694 
695 /* dai ops */
mtk_dai_i2s_config(struct mtk_base_afe * afe,struct snd_pcm_hw_params * params,int i2s_id)696 static int mtk_dai_i2s_config(struct mtk_base_afe *afe,
697 			      struct snd_pcm_hw_params *params,
698 			      int i2s_id)
699 {
700 	struct mt8183_afe_private *afe_priv = afe->platform_priv;
701 	struct mtk_afe_i2s_priv *i2s_priv = afe_priv->dai_priv[i2s_id];
702 
703 	unsigned int rate = params_rate(params);
704 	unsigned int rate_reg = mt8183_rate_transform(afe->dev,
705 						      rate, i2s_id);
706 	snd_pcm_format_t format = params_format(params);
707 	unsigned int i2s_con = 0, fmt_con = I2S_FMT_I2S << I2S_FMT_SFT;
708 	int ret = 0;
709 
710 	if (i2s_priv) {
711 		i2s_priv->rate = rate;
712 
713 		if (i2s_priv->use_eiaj)
714 			fmt_con = I2S_FMT_EIAJ << I2S_FMT_SFT;
715 	} else {
716 		dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
717 	}
718 
719 	switch (i2s_id) {
720 	case MT8183_DAI_I2S_0:
721 		regmap_update_bits(afe->regmap, AFE_DAC_CON1,
722 				   I2S_MODE_MASK_SFT, rate_reg << I2S_MODE_SFT);
723 		i2s_con = I2S_IN_PAD_IO_MUX << I2SIN_PAD_SEL_SFT;
724 		i2s_con |= fmt_con;
725 		i2s_con |= get_i2s_wlen(format) << I2S_WLEN_SFT;
726 		regmap_update_bits(afe->regmap, AFE_I2S_CON,
727 				   0xffffeffe, i2s_con);
728 		break;
729 	case MT8183_DAI_I2S_1:
730 		i2s_con = I2S1_SEL_O28_O29 << I2S2_SEL_O03_O04_SFT;
731 		i2s_con |= rate_reg << I2S2_OUT_MODE_SFT;
732 		i2s_con |= fmt_con;
733 		i2s_con |= get_i2s_wlen(format) << I2S2_WLEN_SFT;
734 		regmap_update_bits(afe->regmap, AFE_I2S_CON1,
735 				   0xffffeffe, i2s_con);
736 		break;
737 	case MT8183_DAI_I2S_2:
738 		i2s_con = 8 << I2S3_UPDATE_WORD_SFT;
739 		i2s_con |= rate_reg << I2S3_OUT_MODE_SFT;
740 		i2s_con |= fmt_con;
741 		i2s_con |= get_i2s_wlen(format) << I2S3_WLEN_SFT;
742 		regmap_update_bits(afe->regmap, AFE_I2S_CON2,
743 				   0xffffeffe, i2s_con);
744 		break;
745 	case MT8183_DAI_I2S_3:
746 		i2s_con = rate_reg << I2S4_OUT_MODE_SFT;
747 		i2s_con |= fmt_con;
748 		i2s_con |= get_i2s_wlen(format) << I2S4_WLEN_SFT;
749 		regmap_update_bits(afe->regmap, AFE_I2S_CON3,
750 				   0xffffeffe, i2s_con);
751 		break;
752 	case MT8183_DAI_I2S_5:
753 		i2s_con = rate_reg << I2S5_OUT_MODE_SFT;
754 		i2s_con |= fmt_con;
755 		i2s_con |= get_i2s_wlen(format) << I2S5_WLEN_SFT;
756 		regmap_update_bits(afe->regmap, AFE_I2S_CON4,
757 				   0xffffeffe, i2s_con);
758 		break;
759 	default:
760 		dev_warn(afe->dev, "%s(), id %d not support\n",
761 			 __func__, i2s_id);
762 		return -EINVAL;
763 	}
764 
765 	/* set share i2s */
766 	if (i2s_priv && i2s_priv->share_i2s_id >= 0)
767 		ret = mtk_dai_i2s_config(afe, params, i2s_priv->share_i2s_id);
768 
769 	return ret;
770 }
771 
mtk_dai_i2s_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)772 static int mtk_dai_i2s_hw_params(struct snd_pcm_substream *substream,
773 				 struct snd_pcm_hw_params *params,
774 				 struct snd_soc_dai *dai)
775 {
776 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
777 
778 	return mtk_dai_i2s_config(afe, params, dai->id);
779 }
780 
mtk_dai_i2s_set_sysclk(struct snd_soc_dai * dai,int clk_id,unsigned int freq,int dir)781 static int mtk_dai_i2s_set_sysclk(struct snd_soc_dai *dai,
782 				  int clk_id, unsigned int freq, int dir)
783 {
784 	struct mtk_base_afe *afe = dev_get_drvdata(dai->dev);
785 	struct mt8183_afe_private *afe_priv = afe->platform_priv;
786 	struct mtk_afe_i2s_priv *i2s_priv = afe_priv->dai_priv[dai->id];
787 	int apll;
788 	int apll_rate;
789 
790 	if (!i2s_priv) {
791 		dev_warn(afe->dev, "%s(), i2s_priv == NULL", __func__);
792 		return -EINVAL;
793 	}
794 
795 	if (dir != SND_SOC_CLOCK_OUT) {
796 		dev_warn(afe->dev, "%s(), dir != SND_SOC_CLOCK_OUT", __func__);
797 		return -EINVAL;
798 	}
799 
800 	apll = mt8183_get_apll_by_rate(afe, freq);
801 	apll_rate = mt8183_get_apll_rate(afe, apll);
802 
803 	if (freq > apll_rate) {
804 		dev_warn(afe->dev, "%s(), freq > apll rate", __func__);
805 		return -EINVAL;
806 	}
807 
808 	if (apll_rate % freq != 0) {
809 		dev_warn(afe->dev, "%s(), APLL cannot generate freq Hz",
810 			 __func__);
811 		return -EINVAL;
812 	}
813 
814 	i2s_priv->mclk_rate = freq;
815 	i2s_priv->mclk_apll = apll;
816 
817 	if (i2s_priv->share_i2s_id > 0) {
818 		struct mtk_afe_i2s_priv *share_i2s_priv;
819 
820 		share_i2s_priv = afe_priv->dai_priv[i2s_priv->share_i2s_id];
821 		if (!share_i2s_priv) {
822 			dev_warn(afe->dev, "%s(), share_i2s_priv == NULL",
823 				 __func__);
824 			return -EINVAL;
825 		}
826 
827 		share_i2s_priv->mclk_rate = i2s_priv->mclk_rate;
828 		share_i2s_priv->mclk_apll = i2s_priv->mclk_apll;
829 	}
830 
831 	return 0;
832 }
833 
mtk_dai_i2s_set_fmt(struct snd_soc_dai * dai,unsigned int fmt)834 static int mtk_dai_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
835 {
836 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
837 	struct mt8183_afe_private *afe_priv = afe->platform_priv;
838 	struct mtk_afe_i2s_priv *i2s_priv;
839 
840 	switch (dai->id) {
841 	case MT8183_DAI_I2S_0:
842 	case MT8183_DAI_I2S_1:
843 	case MT8183_DAI_I2S_2:
844 	case MT8183_DAI_I2S_3:
845 	case MT8183_DAI_I2S_5:
846 		break;
847 	default:
848 		dev_warn(afe->dev, "%s(), id %d not support\n",
849 			 __func__, dai->id);
850 		return -EINVAL;
851 	}
852 	i2s_priv = afe_priv->dai_priv[dai->id];
853 
854 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
855 	case SND_SOC_DAIFMT_LEFT_J:
856 		i2s_priv->use_eiaj = 1;
857 		break;
858 	case SND_SOC_DAIFMT_I2S:
859 		i2s_priv->use_eiaj = 0;
860 		break;
861 	default:
862 		dev_warn(afe->dev, "%s(), DAI format %d not support\n",
863 			 __func__, fmt & SND_SOC_DAIFMT_FORMAT_MASK);
864 		return -EINVAL;
865 	}
866 
867 	return 0;
868 }
869 
870 static const struct snd_soc_dai_ops mtk_dai_i2s_ops = {
871 	.hw_params = mtk_dai_i2s_hw_params,
872 	.set_sysclk = mtk_dai_i2s_set_sysclk,
873 	.set_fmt = mtk_dai_i2s_set_fmt,
874 };
875 
876 /* dai driver */
877 #define MTK_I2S_RATES (SNDRV_PCM_RATE_8000_48000 |\
878 		       SNDRV_PCM_RATE_88200 |\
879 		       SNDRV_PCM_RATE_96000 |\
880 		       SNDRV_PCM_RATE_176400 |\
881 		       SNDRV_PCM_RATE_192000)
882 
883 #define MTK_I2S_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
884 			 SNDRV_PCM_FMTBIT_S24_LE |\
885 			 SNDRV_PCM_FMTBIT_S32_LE)
886 
887 static struct snd_soc_dai_driver mtk_dai_i2s_driver[] = {
888 	{
889 		.name = "I2S0",
890 		.id = MT8183_DAI_I2S_0,
891 		.capture = {
892 			.stream_name = "I2S0",
893 			.channels_min = 1,
894 			.channels_max = 2,
895 			.rates = MTK_I2S_RATES,
896 			.formats = MTK_I2S_FORMATS,
897 		},
898 		.ops = &mtk_dai_i2s_ops,
899 	},
900 	{
901 		.name = "I2S1",
902 		.id = MT8183_DAI_I2S_1,
903 		.playback = {
904 			.stream_name = "I2S1",
905 			.channels_min = 1,
906 			.channels_max = 2,
907 			.rates = MTK_I2S_RATES,
908 			.formats = MTK_I2S_FORMATS,
909 		},
910 		.ops = &mtk_dai_i2s_ops,
911 	},
912 	{
913 		.name = "I2S2",
914 		.id = MT8183_DAI_I2S_2,
915 		.capture = {
916 			.stream_name = "I2S2",
917 			.channels_min = 1,
918 			.channels_max = 2,
919 			.rates = MTK_I2S_RATES,
920 			.formats = MTK_I2S_FORMATS,
921 		},
922 		.ops = &mtk_dai_i2s_ops,
923 	},
924 	{
925 		.name = "I2S3",
926 		.id = MT8183_DAI_I2S_3,
927 		.playback = {
928 			.stream_name = "I2S3",
929 			.channels_min = 1,
930 			.channels_max = 2,
931 			.rates = MTK_I2S_RATES,
932 			.formats = MTK_I2S_FORMATS,
933 		},
934 		.ops = &mtk_dai_i2s_ops,
935 	},
936 	{
937 		.name = "I2S5",
938 		.id = MT8183_DAI_I2S_5,
939 		.playback = {
940 			.stream_name = "I2S5",
941 			.channels_min = 1,
942 			.channels_max = 2,
943 			.rates = MTK_I2S_RATES,
944 			.formats = MTK_I2S_FORMATS,
945 		},
946 		.ops = &mtk_dai_i2s_ops,
947 	},
948 };
949 
950 /* this enum is merely for mtk_afe_i2s_priv declare */
951 enum {
952 	DAI_I2S0 = 0,
953 	DAI_I2S1,
954 	DAI_I2S2,
955 	DAI_I2S3,
956 	DAI_I2S5,
957 	DAI_I2S_NUM,
958 };
959 
960 static const struct mtk_afe_i2s_priv mt8183_i2s_priv[DAI_I2S_NUM] = {
961 	[DAI_I2S0] = {
962 		.id = MT8183_DAI_I2S_0,
963 		.mclk_id = MT8183_I2S0_MCK,
964 		.share_i2s_id = -1,
965 	},
966 	[DAI_I2S1] = {
967 		.id = MT8183_DAI_I2S_1,
968 		.mclk_id = MT8183_I2S1_MCK,
969 		.share_i2s_id = -1,
970 	},
971 	[DAI_I2S2] = {
972 		.id = MT8183_DAI_I2S_2,
973 		.mclk_id = MT8183_I2S2_MCK,
974 		.share_i2s_id = -1,
975 	},
976 	[DAI_I2S3] = {
977 		.id = MT8183_DAI_I2S_3,
978 		.mclk_id = MT8183_I2S3_MCK,
979 		.share_i2s_id = -1,
980 	},
981 	[DAI_I2S5] = {
982 		.id = MT8183_DAI_I2S_5,
983 		.mclk_id = MT8183_I2S5_MCK,
984 		.share_i2s_id = -1,
985 	},
986 };
987 
988 /**
989  * mt8183_dai_i2s_set_share() - Set up I2S ports to share a single clock.
990  * @afe: Pointer to &struct mtk_base_afe
991  * @main_i2s_name: The name of the I2S port that will provide the clock
992  * @secondary_i2s_name: The name of the I2S port that will use this clock
993  */
mt8183_dai_i2s_set_share(struct mtk_base_afe * afe,const char * main_i2s_name,const char * secondary_i2s_name)994 int mt8183_dai_i2s_set_share(struct mtk_base_afe *afe, const char *main_i2s_name,
995 			     const char *secondary_i2s_name)
996 {
997 	struct mtk_afe_i2s_priv *secondary_i2s_priv;
998 	int main_i2s_id;
999 
1000 	secondary_i2s_priv = get_i2s_priv_by_name(afe, secondary_i2s_name);
1001 	if (!secondary_i2s_priv)
1002 		return -EINVAL;
1003 
1004 	main_i2s_id = get_i2s_id_by_name(afe, main_i2s_name);
1005 	if (main_i2s_id < 0)
1006 		return main_i2s_id;
1007 
1008 	secondary_i2s_priv->share_i2s_id = main_i2s_id;
1009 
1010 	return 0;
1011 }
1012 EXPORT_SYMBOL_GPL(mt8183_dai_i2s_set_share);
1013 
mt8183_dai_i2s_set_priv(struct mtk_base_afe * afe)1014 static int mt8183_dai_i2s_set_priv(struct mtk_base_afe *afe)
1015 {
1016 	struct mt8183_afe_private *afe_priv = afe->platform_priv;
1017 	struct mtk_afe_i2s_priv *i2s_priv;
1018 	int i;
1019 
1020 	for (i = 0; i < DAI_I2S_NUM; i++) {
1021 		i2s_priv = devm_kzalloc(afe->dev,
1022 					sizeof(struct mtk_afe_i2s_priv),
1023 					GFP_KERNEL);
1024 		if (!i2s_priv)
1025 			return -ENOMEM;
1026 
1027 		memcpy(i2s_priv, &mt8183_i2s_priv[i],
1028 		       sizeof(struct mtk_afe_i2s_priv));
1029 
1030 		afe_priv->dai_priv[mt8183_i2s_priv[i].id] = i2s_priv;
1031 	}
1032 
1033 	return 0;
1034 }
1035 
mt8183_dai_i2s_register(struct mtk_base_afe * afe)1036 int mt8183_dai_i2s_register(struct mtk_base_afe *afe)
1037 {
1038 	struct mtk_base_afe_dai *dai;
1039 	int ret;
1040 
1041 	dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
1042 	if (!dai)
1043 		return -ENOMEM;
1044 
1045 	list_add(&dai->list, &afe->sub_dais);
1046 
1047 	dai->dai_drivers = mtk_dai_i2s_driver;
1048 	dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_i2s_driver);
1049 
1050 	dai->controls = mtk_dai_i2s_controls;
1051 	dai->num_controls = ARRAY_SIZE(mtk_dai_i2s_controls);
1052 	dai->dapm_widgets = mtk_dai_i2s_widgets;
1053 	dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_i2s_widgets);
1054 	dai->dapm_routes = mtk_dai_i2s_routes;
1055 	dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_i2s_routes);
1056 
1057 	/* set all dai i2s private data */
1058 	ret = mt8183_dai_i2s_set_priv(afe);
1059 	if (ret)
1060 		return ret;
1061 
1062 	return 0;
1063 }
1064