1 // SPDX-License-Identifier: GPL-2.0
2 //
3 //  MediaTek ALSA SoC Audio DAI SRC Control
4 //
5 // Copyright (c) 2022 MediaTek Inc.
6 // Author: Jiaxin Yu <jiaxin.yu@mediatek.com>
7 
8 #include <linux/regmap.h>
9 #include "mt8186-afe-common.h"
10 #include "mt8186-interconnection.h"
11 
12 struct mtk_afe_src_priv {
13 	int dl_rate;
14 	int ul_rate;
15 };
16 
17 static const unsigned int src_iir_coeff_32_to_16[] = {
18 	0x0dbae6, 0xff9b0a, 0x0dbae6, 0x05e488, 0xe072b9, 0x000002,
19 	0x0dbae6, 0x000f3b, 0x0dbae6, 0x06a537, 0xe17d79, 0x000002,
20 	0x0dbae6, 0x01246a, 0x0dbae6, 0x087261, 0xe306be, 0x000002,
21 	0x0dbae6, 0x03437d, 0x0dbae6, 0x0bc16f, 0xe57c87, 0x000002,
22 	0x0dbae6, 0x072981, 0x0dbae6, 0x111dd3, 0xe94f2a, 0x000002,
23 	0x0dbae6, 0x0dc4a6, 0x0dbae6, 0x188611, 0xee85a0, 0x000002,
24 	0x0dbae6, 0x168b9a, 0x0dbae6, 0x200e8f, 0xf3ccf1, 0x000002,
25 	0x000000, 0x1b75cb, 0x1b75cb, 0x2374a2, 0x000000, 0x000001
26 };
27 
28 static const unsigned int src_iir_coeff_44_to_16[] = {
29 	0x09ae28, 0xf7d97d, 0x09ae28, 0x212a3d, 0xe0ac3a, 0x000002,
30 	0x09ae28, 0xf8525a, 0x09ae28, 0x216d72, 0xe234be, 0x000002,
31 	0x09ae28, 0xf980f5, 0x09ae28, 0x22a057, 0xe45a81, 0x000002,
32 	0x09ae28, 0xfc0a08, 0x09ae28, 0x24d3bd, 0xe7752d, 0x000002,
33 	0x09ae28, 0x016162, 0x09ae28, 0x27da01, 0xeb6ea8, 0x000002,
34 	0x09ae28, 0x0b67df, 0x09ae28, 0x2aca4a, 0xef34c4, 0x000002,
35 	0x000000, 0x135c50, 0x135c50, 0x2c1079, 0x000000, 0x000001
36 };
37 
38 static const unsigned int src_iir_coeff_44_to_32[] = {
39 	0x096966, 0x0c4d35, 0x096966, 0xedee81, 0xf05070, 0x000003,
40 	0x12d2cc, 0x193910, 0x12d2cc, 0xddbf4f, 0xe21e1d, 0x000002,
41 	0x12d2cc, 0x1a9e60, 0x12d2cc, 0xe18916, 0xe470fd, 0x000002,
42 	0x12d2cc, 0x1d06e0, 0x12d2cc, 0xe8a4a6, 0xe87b24, 0x000002,
43 	0x12d2cc, 0x207578, 0x12d2cc, 0xf4fe62, 0xef5917, 0x000002,
44 	0x12d2cc, 0x24055f, 0x12d2cc, 0x05ee2b, 0xf8b502, 0x000002,
45 	0x000000, 0x25a599, 0x25a599, 0x0fabe2, 0x000000, 0x000001
46 };
47 
48 static const unsigned int src_iir_coeff_48_to_16[] = {
49 	0x0296a4, 0xfd69dd, 0x0296a4, 0x209439, 0xe01ff9, 0x000002,
50 	0x0f4ff3, 0xf0d6d4, 0x0f4ff3, 0x209bc9, 0xe076c3, 0x000002,
51 	0x0e8490, 0xf1fe63, 0x0e8490, 0x20cfd6, 0xe12124, 0x000002,
52 	0x14852f, 0xed794a, 0x14852f, 0x21503d, 0xe28b32, 0x000002,
53 	0x136222, 0xf17677, 0x136222, 0x225be1, 0xe56964, 0x000002,
54 	0x0a8d85, 0xfc4a97, 0x0a8d85, 0x24310c, 0xea6952, 0x000002,
55 	0x05eff5, 0x043455, 0x05eff5, 0x4ced8f, 0xe134d6, 0x000001,
56 	0x000000, 0x3aebe6, 0x3aebe6, 0x04f3b0, 0x000000, 0x000004
57 };
58 
59 static const unsigned int src_iir_coeff_48_to_32[] = {
60 	0x10c1b8, 0x10a7df, 0x10c1b8, 0xe7514e, 0xe0b41f, 0x000002,
61 	0x10c1b8, 0x116257, 0x10c1b8, 0xe9402f, 0xe25aaa, 0x000002,
62 	0x10c1b8, 0x130c89, 0x10c1b8, 0xed3cc3, 0xe4dddb, 0x000002,
63 	0x10c1b8, 0x1600dd, 0x10c1b8, 0xf48000, 0xe90c55, 0x000002,
64 	0x10c1b8, 0x1a672e, 0x10c1b8, 0x00494c, 0xefa807, 0x000002,
65 	0x10c1b8, 0x1f38e6, 0x10c1b8, 0x0ee076, 0xf7c5f3, 0x000002,
66 	0x000000, 0x218370, 0x218370, 0x168b40, 0x000000, 0x000001
67 };
68 
69 static const unsigned int src_iir_coeff_48_to_44[] = {
70 	0x0bf71c, 0x170f3f, 0x0bf71c, 0xe3a4c8, 0xf096cb, 0x000003,
71 	0x0bf71c, 0x17395e, 0x0bf71c, 0xe58085, 0xf210c8, 0x000003,
72 	0x0bf71c, 0x1782bd, 0x0bf71c, 0xe95ef6, 0xf4c899, 0x000003,
73 	0x0bf71c, 0x17cd97, 0x0bf71c, 0xf1608a, 0xfa3b18, 0x000003,
74 	0x000000, 0x2fdc6f, 0x2fdc6f, 0xf15663, 0x000000, 0x000001
75 };
76 
77 static const unsigned int src_iir_coeff_96_to_16[] = {
78 	0x0805a1, 0xf21ae3, 0x0805a1, 0x3840bb, 0xe02a2e, 0x000002,
79 	0x0d5dd8, 0xe8f259, 0x0d5dd8, 0x1c0af6, 0xf04700, 0x000003,
80 	0x0bb422, 0xec08d9, 0x0bb422, 0x1bfccc, 0xf09216, 0x000003,
81 	0x08fde6, 0xf108be, 0x08fde6, 0x1bf096, 0xf10ae0, 0x000003,
82 	0x0ae311, 0xeeeda3, 0x0ae311, 0x37c646, 0xe385f5, 0x000002,
83 	0x044089, 0xfa7242, 0x044089, 0x37a785, 0xe56526, 0x000002,
84 	0x00c75c, 0xffb947, 0x00c75c, 0x378ba3, 0xe72c5f, 0x000002,
85 	0x000000, 0x0ef76e, 0x0ef76e, 0x377fda, 0x000000, 0x000001,
86 };
87 
88 static const unsigned int src_iir_coeff_96_to_44[] = {
89 	0x08b543, 0xfd80f4, 0x08b543, 0x0e2332, 0xe06ed0, 0x000002,
90 	0x1b6038, 0xf90e7e, 0x1b6038, 0x0ec1ac, 0xe16f66, 0x000002,
91 	0x188478, 0xfbb921, 0x188478, 0x105859, 0xe2e596, 0x000002,
92 	0x13eff3, 0xffa707, 0x13eff3, 0x13455c, 0xe533b7, 0x000002,
93 	0x0dc239, 0x03d458, 0x0dc239, 0x17f120, 0xe8b617, 0x000002,
94 	0x0745f1, 0x05d790, 0x0745f1, 0x1e3d75, 0xed5f18, 0x000002,
95 	0x05641f, 0x085e2b, 0x05641f, 0x48efd0, 0xe3e9c8, 0x000001,
96 	0x000000, 0x28f632, 0x28f632, 0x273905, 0x000000, 0x000001,
97 };
98 
99 static unsigned int mtk_get_src_freq_mode(struct mtk_base_afe *afe, int rate)
100 {
101 	switch (rate) {
102 	case 8000:
103 		return 0x50000;
104 	case 11025:
105 		return 0x6e400;
106 	case 12000:
107 		return 0x78000;
108 	case 16000:
109 		return 0xa0000;
110 	case 22050:
111 		return 0xdc800;
112 	case 24000:
113 		return 0xf0000;
114 	case 32000:
115 		return 0x140000;
116 	case 44100:
117 		return 0x1b9000;
118 	case 48000:
119 		return 0x1e0000;
120 	case 88200:
121 		return 0x372000;
122 	case 96000:
123 		return 0x3c0000;
124 	case 176400:
125 		return 0x6e4000;
126 	case 192000:
127 		return 0x780000;
128 	default:
129 		dev_err(afe->dev, "%s(), rate %d invalid!!!\n",
130 			__func__, rate);
131 		return 0;
132 	}
133 }
134 
135 static const unsigned int *get_iir_coeff(unsigned int rate_in,
136 					 unsigned int rate_out,
137 					 unsigned int *param_num)
138 {
139 	if (rate_in == 32000 && rate_out == 16000) {
140 		*param_num = ARRAY_SIZE(src_iir_coeff_32_to_16);
141 		return src_iir_coeff_32_to_16;
142 	} else if (rate_in == 44100 && rate_out == 16000) {
143 		*param_num = ARRAY_SIZE(src_iir_coeff_44_to_16);
144 		return src_iir_coeff_44_to_16;
145 	} else if (rate_in == 44100 && rate_out == 32000) {
146 		*param_num = ARRAY_SIZE(src_iir_coeff_44_to_32);
147 		return src_iir_coeff_44_to_32;
148 	} else if ((rate_in == 48000 && rate_out == 16000) ||
149 		   (rate_in == 96000 && rate_out == 32000)) {
150 		*param_num = ARRAY_SIZE(src_iir_coeff_48_to_16);
151 		return src_iir_coeff_48_to_16;
152 	} else if (rate_in == 48000 && rate_out == 32000) {
153 		*param_num = ARRAY_SIZE(src_iir_coeff_48_to_32);
154 		return src_iir_coeff_48_to_32;
155 	} else if (rate_in == 48000 && rate_out == 44100) {
156 		*param_num = ARRAY_SIZE(src_iir_coeff_48_to_44);
157 		return src_iir_coeff_48_to_44;
158 	} else if (rate_in == 96000 && rate_out == 16000) {
159 		*param_num = ARRAY_SIZE(src_iir_coeff_96_to_16);
160 		return src_iir_coeff_96_to_16;
161 	} else if ((rate_in == 96000 && rate_out == 44100) ||
162 		   (rate_in == 48000 && rate_out == 22050)) {
163 		*param_num = ARRAY_SIZE(src_iir_coeff_96_to_44);
164 		return src_iir_coeff_96_to_44;
165 	}
166 
167 	*param_num = 0;
168 	return NULL;
169 }
170 
171 static int mtk_set_src_1_param(struct mtk_base_afe *afe, int id)
172 {
173 	struct mt8186_afe_private *afe_priv = afe->platform_priv;
174 	struct mtk_afe_src_priv *src_priv = afe_priv->dai_priv[id];
175 	unsigned int iir_coeff_num;
176 	unsigned int iir_stage;
177 	int rate_in = src_priv->dl_rate;
178 	int rate_out = src_priv->ul_rate;
179 	unsigned int out_freq_mode = mtk_get_src_freq_mode(afe, rate_out);
180 	unsigned int in_freq_mode = mtk_get_src_freq_mode(afe, rate_in);
181 
182 	/* set out freq mode */
183 	regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON3,
184 			   G_SRC_ASM_FREQ_4_MASK_SFT,
185 			   out_freq_mode << G_SRC_ASM_FREQ_4_SFT);
186 
187 	/* set in freq mode */
188 	regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON4,
189 			   G_SRC_ASM_FREQ_5_MASK_SFT,
190 			   in_freq_mode << G_SRC_ASM_FREQ_5_SFT);
191 
192 	regmap_write(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON5, 0x3f5986);
193 	regmap_write(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON5, 0x3f5987);
194 	regmap_write(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON6, 0x1fbd);
195 	regmap_write(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON2, 0);
196 
197 	/* set iir if in_rate > out_rate */
198 	if (rate_in > rate_out) {
199 		int i;
200 		const unsigned int *iir_coeff = get_iir_coeff(rate_in, rate_out,
201 							      &iir_coeff_num);
202 
203 		if (iir_coeff_num == 0 || !iir_coeff) {
204 			dev_err(afe->dev, "%s(), iir coeff error, num %d, coeff %p\n",
205 				__func__, iir_coeff_num, iir_coeff);
206 			return -EINVAL;
207 		}
208 
209 		/* COEFF_SRAM_CTRL */
210 		regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON0,
211 				   G_SRC_COEFF_SRAM_CTRL_MASK_SFT,
212 				   BIT(G_SRC_COEFF_SRAM_CTRL_SFT));
213 		/* Clear coeff history to r/w coeff from the first position */
214 		regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON13,
215 				   G_SRC_COEFF_SRAM_ADR_MASK_SFT, 0);
216 		/* Write SRC coeff, should not read the reg during write */
217 		for (i = 0; i < iir_coeff_num; i++)
218 			regmap_write(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON12,
219 				     iir_coeff[i]);
220 		/* disable sram access */
221 		regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON0,
222 				   G_SRC_COEFF_SRAM_CTRL_MASK_SFT, 0);
223 		/* CHSET_IIR_STAGE */
224 		iir_stage = (iir_coeff_num / 6) - 1;
225 		regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON2,
226 				   G_SRC_CHSET_IIR_STAGE_MASK_SFT,
227 				   iir_stage << G_SRC_CHSET_IIR_STAGE_SFT);
228 		/* CHSET_IIR_EN */
229 		regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON2,
230 				   G_SRC_CHSET_IIR_EN_MASK_SFT,
231 				   BIT(G_SRC_CHSET_IIR_EN_SFT));
232 	} else {
233 		/* CHSET_IIR_EN off */
234 		regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON2,
235 				   G_SRC_CHSET_IIR_EN_MASK_SFT, 0);
236 	}
237 
238 	return 0;
239 }
240 
241 static int mtk_set_src_2_param(struct mtk_base_afe *afe, int id)
242 {
243 	struct mt8186_afe_private *afe_priv = afe->platform_priv;
244 	struct mtk_afe_src_priv *src_priv = afe_priv->dai_priv[id];
245 	unsigned int iir_coeff_num;
246 	unsigned int iir_stage;
247 	int rate_in = src_priv->dl_rate;
248 	int rate_out = src_priv->ul_rate;
249 	unsigned int out_freq_mode = mtk_get_src_freq_mode(afe, rate_out);
250 	unsigned int in_freq_mode = mtk_get_src_freq_mode(afe, rate_in);
251 
252 	/* set out freq mode */
253 	regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON3,
254 			   G_SRC_ASM_FREQ_4_MASK_SFT,
255 			   out_freq_mode << G_SRC_ASM_FREQ_4_SFT);
256 
257 	/* set in freq mode */
258 	regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON4,
259 			   G_SRC_ASM_FREQ_5_MASK_SFT,
260 			   in_freq_mode << G_SRC_ASM_FREQ_5_SFT);
261 
262 	regmap_write(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON5, 0x3f5986);
263 	regmap_write(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON5, 0x3f5987);
264 	regmap_write(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON6, 0x1fbd);
265 	regmap_write(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON2, 0);
266 
267 	/* set iir if in_rate > out_rate */
268 	if (rate_in > rate_out) {
269 		int i;
270 		const unsigned int *iir_coeff = get_iir_coeff(rate_in, rate_out,
271 							      &iir_coeff_num);
272 
273 		if (iir_coeff_num == 0 || !iir_coeff) {
274 			dev_err(afe->dev, "%s(), iir coeff error, num %d, coeff %p\n",
275 				 __func__, iir_coeff_num, iir_coeff);
276 			return -EINVAL;
277 		}
278 
279 		/* COEFF_SRAM_CTRL */
280 		regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON0,
281 				   G_SRC_COEFF_SRAM_CTRL_MASK_SFT,
282 				   BIT(G_SRC_COEFF_SRAM_CTRL_SFT));
283 		/* Clear coeff history to r/w coeff from the first position */
284 		regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON13,
285 				   G_SRC_COEFF_SRAM_ADR_MASK_SFT, 0);
286 		/* Write SRC coeff, should not read the reg during write */
287 		for (i = 0; i < iir_coeff_num; i++)
288 			regmap_write(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON12,
289 				     iir_coeff[i]);
290 		/* disable sram access */
291 		regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON0,
292 				   G_SRC_COEFF_SRAM_CTRL_MASK_SFT, 0);
293 		/* CHSET_IIR_STAGE */
294 		iir_stage = (iir_coeff_num / 6) - 1;
295 		regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON2,
296 				   G_SRC_CHSET_IIR_STAGE_MASK_SFT,
297 				   iir_stage << G_SRC_CHSET_IIR_STAGE_SFT);
298 		/* CHSET_IIR_EN */
299 		regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON2,
300 				   G_SRC_CHSET_IIR_EN_MASK_SFT,
301 				   BIT(G_SRC_CHSET_IIR_EN_SFT));
302 	} else {
303 		/* CHSET_IIR_EN off */
304 		regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON2,
305 				   G_SRC_CHSET_IIR_EN_MASK_SFT, 0);
306 	}
307 
308 	return 0;
309 }
310 
311 #define HW_SRC_1_EN_W_NAME "HW_SRC_1_Enable"
312 #define HW_SRC_2_EN_W_NAME "HW_SRC_2_Enable"
313 
314 static int mtk_hw_src_event(struct snd_soc_dapm_widget *w,
315 			    struct snd_kcontrol *kcontrol,
316 			    int event)
317 {
318 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
319 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
320 	struct mt8186_afe_private *afe_priv = afe->platform_priv;
321 	int id;
322 	struct mtk_afe_src_priv *src_priv;
323 	unsigned int reg;
324 
325 	if (strcmp(w->name, HW_SRC_1_EN_W_NAME) == 0)
326 		id = MT8186_DAI_SRC_1;
327 	else
328 		id = MT8186_DAI_SRC_2;
329 
330 	src_priv = afe_priv->dai_priv[id];
331 
332 	dev_dbg(afe->dev,
333 		"%s(), name %s, event 0x%x, id %d, src_priv %p, dl_rate %d, ul_rate %d\n",
334 		__func__, w->name, event, id, src_priv,
335 		src_priv->dl_rate, src_priv->ul_rate);
336 
337 	switch (event) {
338 	case SND_SOC_DAPM_PRE_PMU:
339 		if (id == MT8186_DAI_SRC_1)
340 			mtk_set_src_1_param(afe, id);
341 		else
342 			mtk_set_src_2_param(afe, id);
343 		break;
344 	case SND_SOC_DAPM_POST_PMU:
345 		reg = (id == MT8186_DAI_SRC_1) ?
346 		      AFE_GENERAL1_ASRC_2CH_CON0 : AFE_GENERAL2_ASRC_2CH_CON0;
347 		/* ASM_ON */
348 		regmap_update_bits(afe->regmap, reg,
349 				   G_SRC_ASM_ON_MASK_SFT,
350 				   BIT(G_SRC_ASM_ON_SFT));
351 		/* CHSET_ON */
352 		regmap_update_bits(afe->regmap, reg,
353 				   G_SRC_CHSET_ON_MASK_SFT,
354 				   BIT(G_SRC_CHSET_ON_SFT));
355 		/* CHSET_STR_CLR */
356 		regmap_update_bits(afe->regmap, reg,
357 				   G_SRC_CHSET_STR_CLR_MASK_SFT,
358 				   BIT(G_SRC_CHSET_STR_CLR_SFT));
359 		break;
360 	case SND_SOC_DAPM_PRE_PMD:
361 		reg = (id == MT8186_DAI_SRC_1) ?
362 		      AFE_GENERAL1_ASRC_2CH_CON0 : AFE_GENERAL2_ASRC_2CH_CON0;
363 		/* ASM_OFF */
364 		regmap_update_bits(afe->regmap, reg, G_SRC_ASM_ON_MASK_SFT, 0);
365 		/* CHSET_OFF */
366 		regmap_update_bits(afe->regmap, reg, G_SRC_CHSET_ON_MASK_SFT, 0);
367 		/* CHSET_STR_CLR */
368 		regmap_update_bits(afe->regmap, reg, G_SRC_CHSET_STR_CLR_MASK_SFT, 0);
369 		break;
370 	default:
371 		break;
372 	}
373 
374 	return 0;
375 }
376 
377 /* dai component */
378 static const struct snd_kcontrol_new mtk_hw_src_1_in_ch1_mix[] = {
379 	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1 Switch", AFE_CONN40,
380 				    I_DL1_CH1, 1, 0),
381 	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1 Switch", AFE_CONN40,
382 				    I_DL2_CH1, 1, 0),
383 	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1 Switch", AFE_CONN40,
384 				    I_DL3_CH1, 1, 0),
385 	SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1 Switch", AFE_CONN40_1,
386 				    I_DL4_CH1, 1, 0),
387 	SOC_DAPM_SINGLE_AUTODISABLE("DL6_CH1 Switch", AFE_CONN40_1,
388 				    I_DL6_CH1, 1, 0),
389 	SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH1 Switch", AFE_CONN40,
390 				    I_I2S0_CH1, 1, 0),
391 	SOC_DAPM_SINGLE_AUTODISABLE("DL5_CH1 Switch", AFE_CONN40_1,
392 				    I_DL5_CH1, 1, 0),
393 };
394 
395 static const struct snd_kcontrol_new mtk_hw_src_1_in_ch2_mix[] = {
396 	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2 Switch", AFE_CONN41,
397 				    I_DL1_CH2, 1, 0),
398 	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2 Switch", AFE_CONN41,
399 				    I_DL2_CH2, 1, 0),
400 	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2 Switch", AFE_CONN41,
401 				    I_DL3_CH2, 1, 0),
402 	SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH2 Switch", AFE_CONN41_1,
403 				    I_DL4_CH2, 1, 0),
404 	SOC_DAPM_SINGLE_AUTODISABLE("DL6_CH2 Switch", AFE_CONN41_1,
405 				    I_DL6_CH2, 1, 0),
406 	SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH2 Switch", AFE_CONN41,
407 				    I_I2S0_CH2, 1, 0),
408 	SOC_DAPM_SINGLE_AUTODISABLE("DL5_CH2 Switch", AFE_CONN41_1,
409 				    I_DL5_CH2, 1, 0),
410 };
411 
412 static const struct snd_kcontrol_new mtk_hw_src_2_in_ch1_mix[] = {
413 	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1 Switch", AFE_CONN42,
414 				    I_DL1_CH1, 1, 0),
415 	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1 Switch", AFE_CONN42,
416 				    I_DL2_CH1, 1, 0),
417 	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1 Switch", AFE_CONN42,
418 				    I_DL3_CH1, 1, 0),
419 	SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1 Switch", AFE_CONN42,
420 				    I_DL4_CH1, 1, 0),
421 	SOC_DAPM_SINGLE_AUTODISABLE("DL5_CH1 Switch", AFE_CONN42_1,
422 				    I_DL5_CH1, 1, 0),
423 	SOC_DAPM_SINGLE_AUTODISABLE("DL6_CH1 Switch", AFE_CONN42_1,
424 				    I_DL6_CH1, 1, 0),
425 	SOC_DAPM_SINGLE_AUTODISABLE("HW_GAIN2_OUT_CH1 Switch", AFE_CONN42,
426 				    I_GAIN2_OUT_CH1, 1, 0),
427 };
428 
429 static const struct snd_kcontrol_new mtk_hw_src_2_in_ch2_mix[] = {
430 	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2 Switch", AFE_CONN43,
431 				    I_DL1_CH2, 1, 0),
432 	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2 Switch", AFE_CONN43,
433 				    I_DL2_CH2, 1, 0),
434 	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2 Switch", AFE_CONN43,
435 				    I_DL3_CH2, 1, 0),
436 	SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH2 Switch", AFE_CONN43,
437 				    I_DL4_CH2, 1, 0),
438 	SOC_DAPM_SINGLE_AUTODISABLE("DL5_CH2 Switch", AFE_CONN43_1,
439 				    I_DL5_CH2, 1, 0),
440 	SOC_DAPM_SINGLE_AUTODISABLE("DL6_CH2 Switch", AFE_CONN43_1,
441 				    I_DL6_CH2, 1, 0),
442 	SOC_DAPM_SINGLE_AUTODISABLE("HW_GAIN2_OUT_CH2 Switch", AFE_CONN43,
443 				    I_GAIN2_OUT_CH2, 1, 0),
444 };
445 
446 static const struct snd_soc_dapm_widget mtk_dai_src_widgets[] = {
447 	/* inter-connections */
448 	SND_SOC_DAPM_MIXER("HW_SRC_1_IN_CH1", SND_SOC_NOPM, 0, 0,
449 			   mtk_hw_src_1_in_ch1_mix,
450 			   ARRAY_SIZE(mtk_hw_src_1_in_ch1_mix)),
451 	SND_SOC_DAPM_MIXER("HW_SRC_1_IN_CH2", SND_SOC_NOPM, 0, 0,
452 			   mtk_hw_src_1_in_ch2_mix,
453 			   ARRAY_SIZE(mtk_hw_src_1_in_ch2_mix)),
454 	SND_SOC_DAPM_MIXER("HW_SRC_2_IN_CH1", SND_SOC_NOPM, 0, 0,
455 			   mtk_hw_src_2_in_ch1_mix,
456 			   ARRAY_SIZE(mtk_hw_src_2_in_ch1_mix)),
457 	SND_SOC_DAPM_MIXER("HW_SRC_2_IN_CH2", SND_SOC_NOPM, 0, 0,
458 			   mtk_hw_src_2_in_ch2_mix,
459 			   ARRAY_SIZE(mtk_hw_src_2_in_ch2_mix)),
460 
461 	SND_SOC_DAPM_SUPPLY(HW_SRC_1_EN_W_NAME,
462 			    GENERAL_ASRC_EN_ON, GENERAL1_ASRC_EN_ON_SFT, 0,
463 			    mtk_hw_src_event,
464 			    SND_SOC_DAPM_PRE_PMU |
465 			    SND_SOC_DAPM_POST_PMU |
466 			    SND_SOC_DAPM_PRE_PMD),
467 
468 	SND_SOC_DAPM_SUPPLY(HW_SRC_2_EN_W_NAME,
469 			    GENERAL_ASRC_EN_ON, GENERAL2_ASRC_EN_ON_SFT, 0,
470 			    mtk_hw_src_event,
471 			    SND_SOC_DAPM_PRE_PMU |
472 			    SND_SOC_DAPM_POST_PMU |
473 			    SND_SOC_DAPM_PRE_PMD),
474 
475 	SND_SOC_DAPM_INPUT("HW SRC 1 Out Endpoint"),
476 	SND_SOC_DAPM_INPUT("HW SRC 2 Out Endpoint"),
477 	SND_SOC_DAPM_OUTPUT("HW SRC 1 In Endpoint"),
478 	SND_SOC_DAPM_OUTPUT("HW SRC 2 In Endpoint"),
479 };
480 
481 static int mtk_afe_src_en_connect(struct snd_soc_dapm_widget *source,
482 				  struct snd_soc_dapm_widget *sink)
483 {
484 	struct snd_soc_dapm_widget *w = source;
485 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
486 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
487 	struct mt8186_afe_private *afe_priv = afe->platform_priv;
488 	struct mtk_afe_src_priv *src_priv;
489 
490 	if (strcmp(w->name, HW_SRC_1_EN_W_NAME) == 0)
491 		src_priv = afe_priv->dai_priv[MT8186_DAI_SRC_1];
492 	else
493 		src_priv = afe_priv->dai_priv[MT8186_DAI_SRC_2];
494 
495 	dev_dbg(afe->dev,
496 		"%s(), source %s, sink %s, dl_rate %d, ul_rate %d\n",
497 		__func__, source->name, sink->name,
498 		src_priv->dl_rate, src_priv->ul_rate);
499 
500 	return (src_priv->dl_rate > 0 && src_priv->ul_rate > 0) ? 1 : 0;
501 }
502 
503 static const struct snd_soc_dapm_route mtk_dai_src_routes[] = {
504 	{"HW_SRC_1_IN_CH1", "DL1_CH1 Switch", "DL1"},
505 	{"HW_SRC_1_IN_CH2", "DL1_CH2 Switch", "DL1"},
506 	{"HW_SRC_2_IN_CH1", "DL1_CH1 Switch", "DL1"},
507 	{"HW_SRC_2_IN_CH2", "DL1_CH2 Switch", "DL1"},
508 	{"HW_SRC_1_IN_CH1", "DL2_CH1 Switch", "DL2"},
509 	{"HW_SRC_1_IN_CH2", "DL2_CH2 Switch", "DL2"},
510 	{"HW_SRC_2_IN_CH1", "DL2_CH1 Switch", "DL2"},
511 	{"HW_SRC_2_IN_CH2", "DL2_CH2 Switch", "DL2"},
512 	{"HW_SRC_1_IN_CH1", "DL3_CH1 Switch", "DL3"},
513 	{"HW_SRC_1_IN_CH2", "DL3_CH2 Switch", "DL3"},
514 	{"HW_SRC_2_IN_CH1", "DL3_CH1 Switch", "DL3"},
515 	{"HW_SRC_2_IN_CH2", "DL3_CH2 Switch", "DL3"},
516 	{"HW_SRC_1_IN_CH1", "DL6_CH1 Switch", "DL6"},
517 	{"HW_SRC_1_IN_CH2", "DL6_CH2 Switch", "DL6"},
518 	{"HW_SRC_2_IN_CH1", "DL6_CH1 Switch", "DL6"},
519 	{"HW_SRC_2_IN_CH2", "DL6_CH2 Switch", "DL6"},
520 	{"HW_SRC_1_IN_CH1", "DL5_CH1 Switch", "DL5"},
521 	{"HW_SRC_1_IN_CH2", "DL5_CH2 Switch", "DL5"},
522 	{"HW_SRC_2_IN_CH1", "DL5_CH1 Switch", "DL5"},
523 	{"HW_SRC_2_IN_CH2", "DL5_CH2 Switch", "DL5"},
524 	{"HW_SRC_1_IN_CH1", "DL4_CH1 Switch", "DL4"},
525 	{"HW_SRC_1_IN_CH2", "DL4_CH2 Switch", "DL4"},
526 	{"HW_SRC_2_IN_CH1", "DL4_CH1 Switch", "DL4"},
527 	{"HW_SRC_2_IN_CH2", "DL4_CH2 Switch", "DL4"},
528 
529 	{"HW_SRC_1_In", NULL, "HW_SRC_1_IN_CH1"},
530 	{"HW_SRC_1_In", NULL, "HW_SRC_1_IN_CH2"},
531 
532 	{"HW_SRC_2_In", NULL, "HW_SRC_2_IN_CH1"},
533 	{"HW_SRC_2_In", NULL, "HW_SRC_2_IN_CH2"},
534 
535 	{"HW_SRC_1_In", NULL, HW_SRC_1_EN_W_NAME, mtk_afe_src_en_connect},
536 	{"HW_SRC_1_Out", NULL, HW_SRC_1_EN_W_NAME, mtk_afe_src_en_connect},
537 	{"HW_SRC_2_In", NULL, HW_SRC_2_EN_W_NAME, mtk_afe_src_en_connect},
538 	{"HW_SRC_2_Out", NULL, HW_SRC_2_EN_W_NAME, mtk_afe_src_en_connect},
539 
540 	{"HW SRC 1 In Endpoint", NULL, "HW_SRC_1_In"},
541 	{"HW SRC 2 In Endpoint", NULL, "HW_SRC_2_In"},
542 	{"HW_SRC_1_Out", NULL, "HW SRC 1 Out Endpoint"},
543 	{"HW_SRC_2_Out", NULL, "HW SRC 2 Out Endpoint"},
544 };
545 
546 /* dai ops */
547 static int mtk_dai_src_hw_params(struct snd_pcm_substream *substream,
548 				 struct snd_pcm_hw_params *params,
549 				 struct snd_soc_dai *dai)
550 {
551 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
552 	struct mt8186_afe_private *afe_priv = afe->platform_priv;
553 	int id = dai->id;
554 	struct mtk_afe_src_priv *src_priv = afe_priv->dai_priv[id];
555 	unsigned int sft, mask;
556 	unsigned int rate = params_rate(params);
557 	unsigned int rate_reg = mt8186_rate_transform(afe->dev, rate, id);
558 
559 	dev_dbg(afe->dev, "%s(), id %d, stream %d, rate %d\n",
560 		__func__, id, substream->stream, rate);
561 
562 	/* rate */
563 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
564 		src_priv->dl_rate = rate;
565 		if (id == MT8186_DAI_SRC_1) {
566 			sft = GENERAL1_ASRCIN_MODE_SFT;
567 			mask = GENERAL1_ASRCIN_MODE_MASK;
568 		} else {
569 			sft = GENERAL2_ASRCIN_MODE_SFT;
570 			mask = GENERAL2_ASRCIN_MODE_MASK;
571 		}
572 	} else {
573 		src_priv->ul_rate = rate;
574 		if (id == MT8186_DAI_SRC_1) {
575 			sft = GENERAL1_ASRCOUT_MODE_SFT;
576 			mask = GENERAL1_ASRCOUT_MODE_MASK;
577 		} else {
578 			sft = GENERAL2_ASRCOUT_MODE_SFT;
579 			mask = GENERAL2_ASRCOUT_MODE_MASK;
580 		}
581 	}
582 
583 	regmap_update_bits(afe->regmap, GENERAL_ASRC_MODE, mask << sft, rate_reg << sft);
584 
585 	return 0;
586 }
587 
588 static int mtk_dai_src_hw_free(struct snd_pcm_substream *substream,
589 			       struct snd_soc_dai *dai)
590 {
591 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
592 	struct mt8186_afe_private *afe_priv = afe->platform_priv;
593 	int id = dai->id;
594 	struct mtk_afe_src_priv *src_priv = afe_priv->dai_priv[id];
595 
596 	dev_dbg(afe->dev, "%s(), id %d, stream %d\n",
597 		__func__, id, substream->stream);
598 
599 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
600 		src_priv->dl_rate = 0;
601 	else
602 		src_priv->ul_rate = 0;
603 
604 	return 0;
605 }
606 
607 static const struct snd_soc_dai_ops mtk_dai_src_ops = {
608 	.hw_params = mtk_dai_src_hw_params,
609 	.hw_free = mtk_dai_src_hw_free,
610 };
611 
612 /* dai driver */
613 #define MTK_SRC_RATES (SNDRV_PCM_RATE_8000_48000 |\
614 		       SNDRV_PCM_RATE_88200 |\
615 		       SNDRV_PCM_RATE_96000 |\
616 		       SNDRV_PCM_RATE_176400 |\
617 		       SNDRV_PCM_RATE_192000)
618 
619 #define MTK_SRC_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
620 			 SNDRV_PCM_FMTBIT_S24_LE |\
621 			 SNDRV_PCM_FMTBIT_S32_LE)
622 
623 static struct snd_soc_dai_driver mtk_dai_src_driver[] = {
624 	{
625 		.name = "HW_SRC_1",
626 		.id = MT8186_DAI_SRC_1,
627 		.playback = {
628 			.stream_name = "HW_SRC_1_In",
629 			.channels_min = 1,
630 			.channels_max = 2,
631 			.rates = MTK_SRC_RATES,
632 			.formats = MTK_SRC_FORMATS,
633 		},
634 		.capture = {
635 			.stream_name = "HW_SRC_1_Out",
636 			.channels_min = 1,
637 			.channels_max = 2,
638 			.rates = MTK_SRC_RATES,
639 			.formats = MTK_SRC_FORMATS,
640 		},
641 		.ops = &mtk_dai_src_ops,
642 	},
643 	{
644 		.name = "HW_SRC_2",
645 		.id = MT8186_DAI_SRC_2,
646 		.playback = {
647 			.stream_name = "HW_SRC_2_In",
648 			.channels_min = 1,
649 			.channels_max = 2,
650 			.rates = MTK_SRC_RATES,
651 			.formats = MTK_SRC_FORMATS,
652 		},
653 		.capture = {
654 			.stream_name = "HW_SRC_2_Out",
655 			.channels_min = 1,
656 			.channels_max = 2,
657 			.rates = MTK_SRC_RATES,
658 			.formats = MTK_SRC_FORMATS,
659 		},
660 		.ops = &mtk_dai_src_ops,
661 	},
662 };
663 
664 int mt8186_dai_src_register(struct mtk_base_afe *afe)
665 {
666 	struct mtk_base_afe_dai *dai;
667 	int ret;
668 
669 	dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
670 	if (!dai)
671 		return -ENOMEM;
672 
673 	list_add(&dai->list, &afe->sub_dais);
674 
675 	dai->dai_drivers = mtk_dai_src_driver;
676 	dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_src_driver);
677 
678 	dai->dapm_widgets = mtk_dai_src_widgets;
679 	dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_src_widgets);
680 	dai->dapm_routes = mtk_dai_src_routes;
681 	dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_src_routes);
682 
683 	/* set dai priv */
684 	ret = mt8186_dai_set_priv(afe, MT8186_DAI_SRC_1,
685 				  sizeof(struct mtk_afe_src_priv), NULL);
686 	if (ret)
687 		return ret;
688 
689 	ret = mt8186_dai_set_priv(afe, MT8186_DAI_SRC_2,
690 				  sizeof(struct mtk_afe_src_priv), NULL);
691 	if (ret)
692 		return ret;
693 
694 	return 0;
695 }
696