1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // MediaTek ALSA SoC Audio DAI ADDA Control
4 //
5 // Copyright (c) 2022 MediaTek Inc.
6 // Author: Jiaxin Yu <jiaxin.yu@mediatek.com>
7 
8 #include <linux/regmap.h>
9 #include <linux/delay.h>
10 #include "mt8186-afe-clk.h"
11 #include "mt8186-afe-common.h"
12 #include "mt8186-afe-gpio.h"
13 #include "mt8186-interconnection.h"
14 
15 enum {
16 	UL_IIR_SW = 0,
17 	UL_IIR_5HZ,
18 	UL_IIR_10HZ,
19 	UL_IIR_25HZ,
20 	UL_IIR_50HZ,
21 	UL_IIR_75HZ,
22 };
23 
24 enum {
25 	AUDIO_SDM_LEVEL_MUTE = 0,
26 	AUDIO_SDM_LEVEL_NORMAL = 0x1d,
27 	/* if you change level normal */
28 	/* you need to change formula of hp impedance and dc trim too */
29 };
30 
31 enum {
32 	AUDIO_SDM_2ND = 0,
33 	AUDIO_SDM_3RD,
34 };
35 
36 enum {
37 	DELAY_DATA_MISO1 = 0,
38 	DELAY_DATA_MISO2,
39 };
40 
41 enum {
42 	MTK_AFE_ADDA_DL_RATE_8K = 0,
43 	MTK_AFE_ADDA_DL_RATE_11K = 1,
44 	MTK_AFE_ADDA_DL_RATE_12K = 2,
45 	MTK_AFE_ADDA_DL_RATE_16K = 3,
46 	MTK_AFE_ADDA_DL_RATE_22K = 4,
47 	MTK_AFE_ADDA_DL_RATE_24K = 5,
48 	MTK_AFE_ADDA_DL_RATE_32K = 6,
49 	MTK_AFE_ADDA_DL_RATE_44K = 7,
50 	MTK_AFE_ADDA_DL_RATE_48K = 8,
51 	MTK_AFE_ADDA_DL_RATE_96K = 9,
52 	MTK_AFE_ADDA_DL_RATE_192K = 10,
53 };
54 
55 enum {
56 	MTK_AFE_ADDA_UL_RATE_8K = 0,
57 	MTK_AFE_ADDA_UL_RATE_16K = 1,
58 	MTK_AFE_ADDA_UL_RATE_32K = 2,
59 	MTK_AFE_ADDA_UL_RATE_48K = 3,
60 	MTK_AFE_ADDA_UL_RATE_96K = 4,
61 	MTK_AFE_ADDA_UL_RATE_192K = 5,
62 	MTK_AFE_ADDA_UL_RATE_48K_HD = 6,
63 };
64 
65 #define SDM_AUTO_RESET_THRESHOLD 0x190000
66 
67 struct mtk_afe_adda_priv {
68 	int dl_rate;
69 	int ul_rate;
70 };
71 
get_adda_priv_by_name(struct mtk_base_afe * afe,const char * name)72 static struct mtk_afe_adda_priv *get_adda_priv_by_name(struct mtk_base_afe *afe,
73 						       const char *name)
74 {
75 	struct mt8186_afe_private *afe_priv = afe->platform_priv;
76 	int dai_id;
77 
78 	if (strncmp(name, "aud_dac", 7) == 0 || strncmp(name, "aud_adc", 7) == 0)
79 		dai_id = MT8186_DAI_ADDA;
80 	else
81 		return NULL;
82 
83 	return afe_priv->dai_priv[dai_id];
84 }
85 
adda_dl_rate_transform(struct mtk_base_afe * afe,unsigned int rate)86 static unsigned int adda_dl_rate_transform(struct mtk_base_afe *afe,
87 					   unsigned int rate)
88 {
89 	switch (rate) {
90 	case 8000:
91 		return MTK_AFE_ADDA_DL_RATE_8K;
92 	case 11025:
93 		return MTK_AFE_ADDA_DL_RATE_11K;
94 	case 12000:
95 		return MTK_AFE_ADDA_DL_RATE_12K;
96 	case 16000:
97 		return MTK_AFE_ADDA_DL_RATE_16K;
98 	case 22050:
99 		return MTK_AFE_ADDA_DL_RATE_22K;
100 	case 24000:
101 		return MTK_AFE_ADDA_DL_RATE_24K;
102 	case 32000:
103 		return MTK_AFE_ADDA_DL_RATE_32K;
104 	case 44100:
105 		return MTK_AFE_ADDA_DL_RATE_44K;
106 	case 48000:
107 		return MTK_AFE_ADDA_DL_RATE_48K;
108 	case 96000:
109 		return MTK_AFE_ADDA_DL_RATE_96K;
110 	case 192000:
111 		return MTK_AFE_ADDA_DL_RATE_192K;
112 	default:
113 		dev_dbg(afe->dev, "%s(), rate %d invalid, use 48kHz!!!\n",
114 			 __func__, rate);
115 	}
116 
117 	return MTK_AFE_ADDA_DL_RATE_48K;
118 }
119 
adda_ul_rate_transform(struct mtk_base_afe * afe,unsigned int rate)120 static unsigned int adda_ul_rate_transform(struct mtk_base_afe *afe,
121 					   unsigned int rate)
122 {
123 	switch (rate) {
124 	case 8000:
125 		return MTK_AFE_ADDA_UL_RATE_8K;
126 	case 16000:
127 		return MTK_AFE_ADDA_UL_RATE_16K;
128 	case 32000:
129 		return MTK_AFE_ADDA_UL_RATE_32K;
130 	case 48000:
131 		return MTK_AFE_ADDA_UL_RATE_48K;
132 	case 96000:
133 		return MTK_AFE_ADDA_UL_RATE_96K;
134 	case 192000:
135 		return MTK_AFE_ADDA_UL_RATE_192K;
136 	default:
137 		dev_dbg(afe->dev, "%s(), rate %d invalid, use 48kHz!!!\n",
138 			 __func__, rate);
139 	}
140 
141 	return MTK_AFE_ADDA_UL_RATE_48K;
142 }
143 
144 /* dai component */
145 static const struct snd_kcontrol_new mtk_adda_dl_ch1_mix[] = {
146 	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1 Switch", AFE_CONN3, I_DL1_CH1, 1, 0),
147 	SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH1 Switch", AFE_CONN3, I_DL12_CH1, 1, 0),
148 	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1 Switch", AFE_CONN3, I_DL2_CH1, 1, 0),
149 	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1 Switch", AFE_CONN3, I_DL3_CH1, 1, 0),
150 	SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH1 Switch", AFE_CONN3_1, I_DL4_CH1, 1, 0),
151 	SOC_DAPM_SINGLE_AUTODISABLE("DL5_CH1 Switch", AFE_CONN3_1, I_DL5_CH1, 1, 0),
152 	SOC_DAPM_SINGLE_AUTODISABLE("DL6_CH1 Switch", AFE_CONN3_1, I_DL6_CH1, 1, 0),
153 	SOC_DAPM_SINGLE_AUTODISABLE("DL8_CH1 Switch", AFE_CONN3_1, I_DL8_CH1, 1, 0),
154 	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2 Switch", AFE_CONN3,
155 				    I_ADDA_UL_CH2, 1, 0),
156 	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1 Switch", AFE_CONN3,
157 				    I_ADDA_UL_CH1, 1, 0),
158 	SOC_DAPM_SINGLE_AUTODISABLE("GAIN1_OUT_CH1 Switch", AFE_CONN3,
159 				    I_GAIN1_OUT_CH1, 1, 0),
160 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1 Switch", AFE_CONN3,
161 				    I_PCM_1_CAP_CH1, 1, 0),
162 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1 Switch", AFE_CONN3,
163 				    I_PCM_2_CAP_CH1, 1, 0),
164 	SOC_DAPM_SINGLE_AUTODISABLE("SRC_1_OUT_CH1 Switch", AFE_CONN3_1,
165 				    I_SRC_1_OUT_CH1, 1, 0),
166 	SOC_DAPM_SINGLE_AUTODISABLE("SRC_2_OUT_CH1 Switch", AFE_CONN3_1,
167 				    I_SRC_2_OUT_CH1, 1, 0),
168 };
169 
170 static const struct snd_kcontrol_new mtk_adda_dl_ch2_mix[] = {
171 	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1 Switch", AFE_CONN4, I_DL1_CH1, 1, 0),
172 	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2 Switch", AFE_CONN4, I_DL1_CH2, 1, 0),
173 	SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH2 Switch", AFE_CONN4, I_DL12_CH2, 1, 0),
174 	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1 Switch", AFE_CONN4, I_DL2_CH1, 1, 0),
175 	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2 Switch", AFE_CONN4, I_DL2_CH2, 1, 0),
176 	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1 Switch", AFE_CONN4, I_DL3_CH1, 1, 0),
177 	SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2 Switch", AFE_CONN4, I_DL3_CH2, 1, 0),
178 	SOC_DAPM_SINGLE_AUTODISABLE("DL4_CH2 Switch", AFE_CONN4_1, I_DL4_CH2, 1, 0),
179 	SOC_DAPM_SINGLE_AUTODISABLE("DL5_CH2 Switch", AFE_CONN4_1, I_DL5_CH2, 1, 0),
180 	SOC_DAPM_SINGLE_AUTODISABLE("DL6_CH2 Switch", AFE_CONN4_1, I_DL6_CH2, 1, 0),
181 	SOC_DAPM_SINGLE_AUTODISABLE("DL8_CH2 Switch", AFE_CONN4_1, I_DL8_CH2, 1, 0),
182 	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2 Switch", AFE_CONN4,
183 				    I_ADDA_UL_CH2, 1, 0),
184 	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1 Switch", AFE_CONN4,
185 				    I_ADDA_UL_CH1, 1, 0),
186 	SOC_DAPM_SINGLE_AUTODISABLE("GAIN1_OUT_CH2 Switch", AFE_CONN4,
187 				    I_GAIN1_OUT_CH2, 1, 0),
188 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH2 Switch", AFE_CONN4,
189 				    I_PCM_1_CAP_CH2, 1, 0),
190 	SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH2 Switch", AFE_CONN4,
191 				    I_PCM_2_CAP_CH2, 1, 0),
192 	SOC_DAPM_SINGLE_AUTODISABLE("SRC_1_OUT_CH2 Switch", AFE_CONN4_1,
193 				    I_SRC_1_OUT_CH2, 1, 0),
194 	SOC_DAPM_SINGLE_AUTODISABLE("SRC_2_OUT_CH2 Switch", AFE_CONN4_1,
195 				    I_SRC_2_OUT_CH2, 1, 0),
196 };
197 
198 enum {
199 	SUPPLY_SEQ_ADDA_AFE_ON,
200 	SUPPLY_SEQ_ADDA_DL_ON,
201 	SUPPLY_SEQ_ADDA_AUD_PAD_TOP,
202 	SUPPLY_SEQ_ADDA_MTKAIF_CFG,
203 	SUPPLY_SEQ_ADDA_FIFO,
204 	SUPPLY_SEQ_ADDA_AP_DMIC,
205 	SUPPLY_SEQ_ADDA_UL_ON,
206 };
207 
mtk_adda_ul_src_dmic(struct mtk_base_afe * afe,int id)208 static int mtk_adda_ul_src_dmic(struct mtk_base_afe *afe, int id)
209 {
210 	unsigned int reg;
211 
212 	switch (id) {
213 	case MT8186_DAI_ADDA:
214 	case MT8186_DAI_AP_DMIC:
215 		reg = AFE_ADDA_UL_SRC_CON0;
216 		break;
217 	default:
218 		return -EINVAL;
219 	}
220 
221 	/* dmic mode, 3.25M*/
222 	regmap_update_bits(afe->regmap, reg,
223 			   DIGMIC_3P25M_1P625M_SEL_MASK_SFT, 0);
224 	regmap_update_bits(afe->regmap, reg,
225 			   DMIC_LOW_POWER_CTL_MASK_SFT, 0);
226 
227 	/* turn on dmic, ch1, ch2 */
228 	regmap_update_bits(afe->regmap, reg,
229 			   UL_SDM_3_LEVEL_MASK_SFT,
230 			   BIT(UL_SDM_3_LEVEL_SFT));
231 	regmap_update_bits(afe->regmap, reg,
232 			   UL_MODE_3P25M_CH1_CTL_MASK_SFT,
233 			   BIT(UL_MODE_3P25M_CH1_CTL_SFT));
234 	regmap_update_bits(afe->regmap, reg,
235 			   UL_MODE_3P25M_CH2_CTL_MASK_SFT,
236 			   BIT(UL_MODE_3P25M_CH2_CTL_SFT));
237 
238 	return 0;
239 }
240 
mtk_adda_ul_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)241 static int mtk_adda_ul_event(struct snd_soc_dapm_widget *w,
242 			     struct snd_kcontrol *kcontrol,
243 			     int event)
244 {
245 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
246 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
247 	struct mt8186_afe_private *afe_priv = afe->platform_priv;
248 	int mtkaif_dmic = afe_priv->mtkaif_dmic;
249 
250 	dev_dbg(afe->dev, "%s(), name %s, event 0x%x, mtkaif_dmic %d\n",
251 		__func__, w->name, event, mtkaif_dmic);
252 
253 	switch (event) {
254 	case SND_SOC_DAPM_PRE_PMU:
255 		mt8186_afe_gpio_request(afe->dev, true, MT8186_DAI_ADDA, 1);
256 
257 		/* update setting to dmic */
258 		if (mtkaif_dmic) {
259 			/* mtkaif_rxif_data_mode = 1, dmic */
260 			regmap_update_bits(afe->regmap, AFE_ADDA_MTKAIF_RX_CFG0,
261 					   0x1, 0x1);
262 
263 			/* dmic mode, 3.25M*/
264 			regmap_update_bits(afe->regmap, AFE_ADDA_MTKAIF_RX_CFG0,
265 					   MTKAIF_RXIF_VOICE_MODE_MASK_SFT,
266 					   0x0);
267 			mtk_adda_ul_src_dmic(afe, MT8186_DAI_ADDA);
268 		}
269 		break;
270 	case SND_SOC_DAPM_POST_PMD:
271 		/* should delayed 1/fs(smallest is 8k) = 125us before afe off */
272 		usleep_range(125, 135);
273 		mt8186_afe_gpio_request(afe->dev, false, MT8186_DAI_ADDA, 1);
274 		break;
275 	default:
276 		break;
277 	}
278 
279 	return 0;
280 }
281 
mtk_adda_pad_top_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)282 static int mtk_adda_pad_top_event(struct snd_soc_dapm_widget *w,
283 				  struct snd_kcontrol *kcontrol,
284 				  int event)
285 {
286 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
287 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
288 	struct mt8186_afe_private *afe_priv = afe->platform_priv;
289 
290 	switch (event) {
291 	case SND_SOC_DAPM_PRE_PMU:
292 		if (afe_priv->mtkaif_protocol == MTKAIF_PROTOCOL_2_CLK_P2)
293 			regmap_write(afe->regmap, AFE_AUD_PAD_TOP, 0x39);
294 		else
295 			regmap_write(afe->regmap, AFE_AUD_PAD_TOP, 0x31);
296 		break;
297 	default:
298 		break;
299 	}
300 
301 	return 0;
302 }
303 
mtk_adda_mtkaif_cfg_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)304 static int mtk_adda_mtkaif_cfg_event(struct snd_soc_dapm_widget *w,
305 				     struct snd_kcontrol *kcontrol,
306 				     int event)
307 {
308 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
309 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
310 	struct mt8186_afe_private *afe_priv = afe->platform_priv;
311 	int delay_data;
312 	int delay_cycle;
313 
314 	switch (event) {
315 	case SND_SOC_DAPM_PRE_PMU:
316 		if (afe_priv->mtkaif_protocol == MTKAIF_PROTOCOL_2_CLK_P2) {
317 			/* set protocol 2 */
318 			regmap_write(afe->regmap, AFE_ADDA_MTKAIF_CFG0, 0x10000);
319 			/* mtkaif_rxif_clkinv_adc inverse */
320 			regmap_update_bits(afe->regmap, AFE_ADDA_MTKAIF_CFG0,
321 					   MTKAIF_RXIF_CLKINV_ADC_MASK_SFT,
322 					   BIT(MTKAIF_RXIF_CLKINV_ADC_SFT));
323 
324 			if (strcmp(w->name, "ADDA_MTKAIF_CFG") == 0) {
325 				if (afe_priv->mtkaif_chosen_phase[0] < 0 &&
326 				    afe_priv->mtkaif_chosen_phase[1] < 0) {
327 					dev_err(afe->dev,
328 						"%s(), calib fail mtkaif_chosen_phase[0/1]:%d/%d\n",
329 						__func__,
330 						afe_priv->mtkaif_chosen_phase[0],
331 						afe_priv->mtkaif_chosen_phase[1]);
332 					break;
333 				}
334 
335 				if (afe_priv->mtkaif_chosen_phase[0] < 0 ||
336 				    afe_priv->mtkaif_chosen_phase[1] < 0) {
337 					dev_err(afe->dev,
338 						"%s(), skip delay setting mtkaif_chosen_phase[0/1]:%d/%d\n",
339 						__func__,
340 						afe_priv->mtkaif_chosen_phase[0],
341 						afe_priv->mtkaif_chosen_phase[1]);
342 					break;
343 				}
344 			}
345 
346 			/* set delay for ch12 */
347 			if (afe_priv->mtkaif_phase_cycle[0] >=
348 			    afe_priv->mtkaif_phase_cycle[1]) {
349 				delay_data = DELAY_DATA_MISO1;
350 				delay_cycle = afe_priv->mtkaif_phase_cycle[0] -
351 					      afe_priv->mtkaif_phase_cycle[1];
352 			} else {
353 				delay_data = DELAY_DATA_MISO2;
354 				delay_cycle = afe_priv->mtkaif_phase_cycle[1] -
355 					      afe_priv->mtkaif_phase_cycle[0];
356 			}
357 
358 			regmap_update_bits(afe->regmap,
359 					   AFE_ADDA_MTKAIF_RX_CFG2,
360 					   MTKAIF_RXIF_DELAY_DATA_MASK_SFT,
361 					   delay_data <<
362 					   MTKAIF_RXIF_DELAY_DATA_SFT);
363 
364 			regmap_update_bits(afe->regmap,
365 					   AFE_ADDA_MTKAIF_RX_CFG2,
366 					   MTKAIF_RXIF_DELAY_CYCLE_MASK_SFT,
367 					   delay_cycle <<
368 					   MTKAIF_RXIF_DELAY_CYCLE_SFT);
369 
370 		} else if (afe_priv->mtkaif_protocol == MTKAIF_PROTOCOL_2) {
371 			regmap_write(afe->regmap, AFE_ADDA_MTKAIF_CFG0, 0x10000);
372 		} else {
373 			regmap_write(afe->regmap, AFE_ADDA_MTKAIF_CFG0, 0);
374 		}
375 
376 		break;
377 	default:
378 		break;
379 	}
380 
381 	return 0;
382 }
383 
mtk_adda_dl_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)384 static int mtk_adda_dl_event(struct snd_soc_dapm_widget *w,
385 			     struct snd_kcontrol *kcontrol,
386 			     int event)
387 {
388 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
389 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
390 
391 	dev_dbg(afe->dev, "%s(), name %s, event 0x%x\n",
392 		__func__, w->name, event);
393 
394 	switch (event) {
395 	case SND_SOC_DAPM_PRE_PMU:
396 		mt8186_afe_gpio_request(afe->dev, true, MT8186_DAI_ADDA, 0);
397 		break;
398 	case SND_SOC_DAPM_POST_PMD:
399 		/* should delayed 1/fs(smallest is 8k) = 125us before afe off */
400 		usleep_range(125, 135);
401 		mt8186_afe_gpio_request(afe->dev, false, MT8186_DAI_ADDA, 0);
402 		break;
403 	default:
404 		break;
405 	}
406 
407 	return 0;
408 }
409 
mt8186_adda_dmic_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)410 static int mt8186_adda_dmic_get(struct snd_kcontrol *kcontrol,
411 				struct snd_ctl_elem_value *ucontrol)
412 {
413 	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
414 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
415 	struct mt8186_afe_private *afe_priv = afe->platform_priv;
416 
417 	ucontrol->value.integer.value[0] = afe_priv->mtkaif_dmic;
418 
419 	return 0;
420 }
421 
mt8186_adda_dmic_set(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)422 static int mt8186_adda_dmic_set(struct snd_kcontrol *kcontrol,
423 				struct snd_ctl_elem_value *ucontrol)
424 {
425 	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
426 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
427 	struct mt8186_afe_private *afe_priv = afe->platform_priv;
428 	int dmic_on;
429 
430 	dmic_on = ucontrol->value.integer.value[0];
431 
432 	dev_dbg(afe->dev, "%s(), kcontrol name %s, dmic_on %d\n",
433 		__func__, kcontrol->id.name, dmic_on);
434 
435 	if (afe_priv->mtkaif_dmic == dmic_on)
436 		return 0;
437 
438 	afe_priv->mtkaif_dmic = dmic_on;
439 
440 	return 1;
441 }
442 
443 static const struct snd_kcontrol_new mtk_adda_controls[] = {
444 	SOC_SINGLE("ADDA_DL_GAIN", AFE_ADDA_DL_SRC2_CON1,
445 		   DL_2_GAIN_CTL_PRE_SFT, DL_2_GAIN_CTL_PRE_MASK, 0),
446 	SOC_SINGLE_BOOL_EXT("MTKAIF_DMIC Switch", 0,
447 			    mt8186_adda_dmic_get, mt8186_adda_dmic_set),
448 };
449 
450 /* ADDA UL MUX */
451 enum {
452 	ADDA_UL_MUX_MTKAIF = 0,
453 	ADDA_UL_MUX_AP_DMIC,
454 	ADDA_UL_MUX_MASK = 0x1,
455 };
456 
457 static const char * const adda_ul_mux_map[] = {
458 	"MTKAIF", "AP_DMIC"
459 };
460 
461 static int adda_ul_map_value[] = {
462 	ADDA_UL_MUX_MTKAIF,
463 	ADDA_UL_MUX_AP_DMIC,
464 };
465 
466 static SOC_VALUE_ENUM_SINGLE_DECL(adda_ul_mux_map_enum,
467 				  SND_SOC_NOPM,
468 				  0,
469 				  ADDA_UL_MUX_MASK,
470 				  adda_ul_mux_map,
471 				  adda_ul_map_value);
472 
473 static const struct snd_kcontrol_new adda_ul_mux_control =
474 	SOC_DAPM_ENUM("ADDA_UL_MUX Select", adda_ul_mux_map_enum);
475 
476 static const struct snd_soc_dapm_widget mtk_dai_adda_widgets[] = {
477 	/* inter-connections */
478 	SND_SOC_DAPM_MIXER("ADDA_DL_CH1", SND_SOC_NOPM, 0, 0,
479 			   mtk_adda_dl_ch1_mix,
480 			   ARRAY_SIZE(mtk_adda_dl_ch1_mix)),
481 	SND_SOC_DAPM_MIXER("ADDA_DL_CH2", SND_SOC_NOPM, 0, 0,
482 			   mtk_adda_dl_ch2_mix,
483 			   ARRAY_SIZE(mtk_adda_dl_ch2_mix)),
484 
485 	SND_SOC_DAPM_SUPPLY_S("ADDA Enable", SUPPLY_SEQ_ADDA_AFE_ON,
486 			      AFE_ADDA_UL_DL_CON0, ADDA_AFE_ON_SFT, 0,
487 			      NULL, 0),
488 
489 	SND_SOC_DAPM_SUPPLY_S("ADDA Playback Enable", SUPPLY_SEQ_ADDA_DL_ON,
490 			      AFE_ADDA_DL_SRC2_CON0,
491 			      DL_2_SRC_ON_CTL_PRE_SFT, 0,
492 			      mtk_adda_dl_event,
493 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
494 
495 	SND_SOC_DAPM_SUPPLY_S("ADDA Capture Enable", SUPPLY_SEQ_ADDA_UL_ON,
496 			      AFE_ADDA_UL_SRC_CON0,
497 			      UL_SRC_ON_CTL_SFT, 0,
498 			      mtk_adda_ul_event,
499 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
500 
501 	SND_SOC_DAPM_SUPPLY_S("AUD_PAD_TOP", SUPPLY_SEQ_ADDA_AUD_PAD_TOP,
502 			      AFE_AUD_PAD_TOP, RG_RX_FIFO_ON_SFT, 0,
503 			      mtk_adda_pad_top_event,
504 			      SND_SOC_DAPM_PRE_PMU),
505 	SND_SOC_DAPM_SUPPLY_S("ADDA_MTKAIF_CFG", SUPPLY_SEQ_ADDA_MTKAIF_CFG,
506 			      SND_SOC_NOPM, 0, 0,
507 			      mtk_adda_mtkaif_cfg_event,
508 			      SND_SOC_DAPM_PRE_PMU),
509 
510 	SND_SOC_DAPM_SUPPLY_S("AP_DMIC_EN", SUPPLY_SEQ_ADDA_AP_DMIC,
511 			      AFE_ADDA_UL_SRC_CON0,
512 			      UL_AP_DMIC_ON_SFT, 0,
513 			      NULL, 0),
514 
515 	SND_SOC_DAPM_SUPPLY_S("ADDA_FIFO", SUPPLY_SEQ_ADDA_FIFO,
516 			      AFE_ADDA_UL_DL_CON0,
517 			      AFE_ADDA_FIFO_AUTO_RST_SFT, 1,
518 			      NULL, 0),
519 
520 	SND_SOC_DAPM_MUX("ADDA_UL_Mux", SND_SOC_NOPM, 0, 0,
521 			 &adda_ul_mux_control),
522 
523 	SND_SOC_DAPM_INPUT("AP_DMIC_INPUT"),
524 
525 	/* clock */
526 	SND_SOC_DAPM_CLOCK_SUPPLY("top_mux_audio_h"),
527 
528 	SND_SOC_DAPM_CLOCK_SUPPLY("aud_dac_clk"),
529 	SND_SOC_DAPM_CLOCK_SUPPLY("aud_dac_hires_clk"),
530 	SND_SOC_DAPM_CLOCK_SUPPLY("aud_dac_predis_clk"),
531 
532 	SND_SOC_DAPM_CLOCK_SUPPLY("aud_adc_clk"),
533 	SND_SOC_DAPM_CLOCK_SUPPLY("aud_adc_hires_clk"),
534 };
535 
536 #define HIRES_THRESHOLD 48000
mtk_afe_dac_hires_connect(struct snd_soc_dapm_widget * source,struct snd_soc_dapm_widget * sink)537 static int mtk_afe_dac_hires_connect(struct snd_soc_dapm_widget *source,
538 				     struct snd_soc_dapm_widget *sink)
539 {
540 	struct snd_soc_dapm_widget *w = source;
541 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
542 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
543 	struct mtk_afe_adda_priv *adda_priv;
544 
545 	adda_priv = get_adda_priv_by_name(afe, w->name);
546 
547 	if (!adda_priv) {
548 		dev_err(afe->dev, "%s(), adda_priv == NULL", __func__);
549 		return 0;
550 	}
551 
552 	return (adda_priv->dl_rate > HIRES_THRESHOLD) ? 1 : 0;
553 }
554 
mtk_afe_adc_hires_connect(struct snd_soc_dapm_widget * source,struct snd_soc_dapm_widget * sink)555 static int mtk_afe_adc_hires_connect(struct snd_soc_dapm_widget *source,
556 				     struct snd_soc_dapm_widget *sink)
557 {
558 	struct snd_soc_dapm_widget *w = source;
559 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
560 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
561 	struct mtk_afe_adda_priv *adda_priv;
562 
563 	adda_priv = get_adda_priv_by_name(afe, w->name);
564 
565 	if (!adda_priv) {
566 		dev_err(afe->dev, "%s(), adda_priv == NULL", __func__);
567 		return 0;
568 	}
569 
570 	return (adda_priv->ul_rate > HIRES_THRESHOLD) ? 1 : 0;
571 }
572 
573 static const struct snd_soc_dapm_route mtk_dai_adda_routes[] = {
574 	/* playback */
575 	{"ADDA_DL_CH1", "DL1_CH1 Switch", "DL1"},
576 	{"ADDA_DL_CH2", "DL1_CH1 Switch", "DL1"},
577 	{"ADDA_DL_CH2", "DL1_CH2 Switch", "DL1"},
578 
579 	{"ADDA_DL_CH1", "DL12_CH1 Switch", "DL12"},
580 	{"ADDA_DL_CH2", "DL12_CH2 Switch", "DL12"},
581 
582 	{"ADDA_DL_CH1", "DL6_CH1 Switch", "DL6"},
583 	{"ADDA_DL_CH2", "DL6_CH2 Switch", "DL6"},
584 
585 	{"ADDA_DL_CH1", "DL8_CH1 Switch", "DL8"},
586 	{"ADDA_DL_CH2", "DL8_CH2 Switch", "DL8"},
587 
588 	{"ADDA_DL_CH1", "DL2_CH1 Switch", "DL2"},
589 	{"ADDA_DL_CH2", "DL2_CH1 Switch", "DL2"},
590 	{"ADDA_DL_CH2", "DL2_CH2 Switch", "DL2"},
591 
592 	{"ADDA_DL_CH1", "DL3_CH1 Switch", "DL3"},
593 	{"ADDA_DL_CH2", "DL3_CH1 Switch", "DL3"},
594 	{"ADDA_DL_CH2", "DL3_CH2 Switch", "DL3"},
595 
596 	{"ADDA_DL_CH1", "DL4_CH1 Switch", "DL4"},
597 	{"ADDA_DL_CH2", "DL4_CH2 Switch", "DL4"},
598 
599 	{"ADDA_DL_CH1", "DL5_CH1 Switch", "DL5"},
600 	{"ADDA_DL_CH2", "DL5_CH2 Switch", "DL5"},
601 
602 	{"ADDA Playback", NULL, "ADDA_DL_CH1"},
603 	{"ADDA Playback", NULL, "ADDA_DL_CH2"},
604 
605 	{"ADDA Playback", NULL, "ADDA Enable"},
606 	{"ADDA Playback", NULL, "ADDA Playback Enable"},
607 
608 	/* capture */
609 	{"ADDA_UL_Mux", "MTKAIF", "ADDA Capture"},
610 	{"ADDA_UL_Mux", "AP_DMIC", "AP DMIC Capture"},
611 
612 	{"ADDA Capture", NULL, "ADDA Enable"},
613 	{"ADDA Capture", NULL, "ADDA Capture Enable"},
614 	{"ADDA Capture", NULL, "AUD_PAD_TOP"},
615 	{"ADDA Capture", NULL, "ADDA_MTKAIF_CFG"},
616 
617 	{"AP DMIC Capture", NULL, "ADDA Enable"},
618 	{"AP DMIC Capture", NULL, "ADDA Capture Enable"},
619 	{"AP DMIC Capture", NULL, "ADDA_FIFO"},
620 	{"AP DMIC Capture", NULL, "AP_DMIC_EN"},
621 
622 	{"AP DMIC Capture", NULL, "AP_DMIC_INPUT"},
623 
624 	/* clk */
625 	{"ADDA Playback", NULL, "aud_dac_clk"},
626 	{"ADDA Playback", NULL, "aud_dac_predis_clk"},
627 	{"ADDA Playback", NULL, "aud_dac_hires_clk", mtk_afe_dac_hires_connect},
628 
629 	{"ADDA Capture Enable", NULL, "aud_adc_clk"},
630 	{"ADDA Capture Enable", NULL, "aud_adc_hires_clk",
631 	 mtk_afe_adc_hires_connect},
632 
633 	/* hires source from apll1 */
634 	{"top_mux_audio_h", NULL, APLL2_W_NAME},
635 
636 	{"aud_dac_hires_clk", NULL, "top_mux_audio_h"},
637 	{"aud_adc_hires_clk", NULL, "top_mux_audio_h"},
638 };
639 
640 /* dai ops */
mtk_dai_adda_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)641 static int mtk_dai_adda_hw_params(struct snd_pcm_substream *substream,
642 				  struct snd_pcm_hw_params *params,
643 				  struct snd_soc_dai *dai)
644 {
645 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
646 	struct mt8186_afe_private *afe_priv = afe->platform_priv;
647 	unsigned int rate = params_rate(params);
648 	int id = dai->id;
649 	struct mtk_afe_adda_priv *adda_priv = afe_priv->dai_priv[id];
650 
651 	dev_dbg(afe->dev, "%s(), id %d, stream %d, rate %d\n",
652 		__func__, id, substream->stream, rate);
653 
654 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
655 		unsigned int dl_src2_con0;
656 		unsigned int dl_src2_con1;
657 
658 		adda_priv->dl_rate = rate;
659 
660 		/* set sampling rate */
661 		dl_src2_con0 = adda_dl_rate_transform(afe, rate) <<
662 			       DL_2_INPUT_MODE_CTL_SFT;
663 
664 		/* set output mode, UP_SAMPLING_RATE_X8 */
665 		dl_src2_con0 |= (0x3 << DL_2_OUTPUT_SEL_CTL_SFT);
666 
667 		/* turn off mute function */
668 		dl_src2_con0 |= BIT(DL_2_MUTE_CH2_OFF_CTL_PRE_SFT);
669 		dl_src2_con0 |= BIT(DL_2_MUTE_CH1_OFF_CTL_PRE_SFT);
670 
671 		/* set voice input data if input sample rate is 8k or 16k */
672 		if (rate == 8000 || rate == 16000)
673 			dl_src2_con0 |= BIT(DL_2_VOICE_MODE_CTL_PRE_SFT);
674 
675 		/* SA suggest apply -0.3db to audio/speech path */
676 		dl_src2_con1 = MTK_AFE_ADDA_DL_GAIN_NORMAL <<
677 			       DL_2_GAIN_CTL_PRE_SFT;
678 
679 		/* turn on down-link gain */
680 		dl_src2_con0 |= BIT(DL_2_GAIN_ON_CTL_PRE_SFT);
681 
682 		if (id == MT8186_DAI_ADDA) {
683 			/* clean predistortion */
684 			regmap_write(afe->regmap, AFE_ADDA_PREDIS_CON0, 0);
685 			regmap_write(afe->regmap, AFE_ADDA_PREDIS_CON1, 0);
686 
687 			regmap_write(afe->regmap,
688 				     AFE_ADDA_DL_SRC2_CON0, dl_src2_con0);
689 			regmap_write(afe->regmap,
690 				     AFE_ADDA_DL_SRC2_CON1, dl_src2_con1);
691 
692 			/* set sdm gain */
693 			regmap_update_bits(afe->regmap,
694 					   AFE_ADDA_DL_SDM_DCCOMP_CON,
695 					   ATTGAIN_CTL_MASK_SFT,
696 					   AUDIO_SDM_LEVEL_NORMAL <<
697 					   ATTGAIN_CTL_SFT);
698 
699 			/* Use new 2nd sdm */
700 			regmap_update_bits(afe->regmap,
701 					   AFE_ADDA_DL_SDM_DITHER_CON,
702 					   AFE_DL_SDM_DITHER_64TAP_EN_MASK_SFT,
703 					   BIT(AFE_DL_SDM_DITHER_64TAP_EN_SFT));
704 			regmap_update_bits(afe->regmap,
705 					   AFE_ADDA_DL_SDM_AUTO_RESET_CON,
706 					   AFE_DL_USE_NEW_2ND_SDM_MASK_SFT,
707 					   BIT(AFE_DL_USE_NEW_2ND_SDM_SFT));
708 			regmap_update_bits(afe->regmap,
709 					   AFE_ADDA_DL_SDM_DCCOMP_CON,
710 					   USE_3RD_SDM_MASK_SFT,
711 					   AUDIO_SDM_2ND << USE_3RD_SDM_SFT);
712 
713 			/* sdm auto reset */
714 			regmap_write(afe->regmap,
715 				     AFE_ADDA_DL_SDM_AUTO_RESET_CON,
716 				     SDM_AUTO_RESET_THRESHOLD);
717 			regmap_update_bits(afe->regmap,
718 					   AFE_ADDA_DL_SDM_AUTO_RESET_CON,
719 					   SDM_AUTO_RESET_TEST_ON_MASK_SFT,
720 					   BIT(SDM_AUTO_RESET_TEST_ON_SFT));
721 		}
722 	} else {
723 		unsigned int ul_src_con0 = 0;
724 		unsigned int voice_mode = adda_ul_rate_transform(afe, rate);
725 
726 		adda_priv->ul_rate = rate;
727 		ul_src_con0 |= (voice_mode << 17) & (0x7 << 17);
728 
729 		/* enable iir */
730 		ul_src_con0 |= (1 << UL_IIR_ON_TMP_CTL_SFT) &
731 			       UL_IIR_ON_TMP_CTL_MASK_SFT;
732 		ul_src_con0 |= (UL_IIR_SW << UL_IIRMODE_CTL_SFT) &
733 			       UL_IIRMODE_CTL_MASK_SFT;
734 		switch (id) {
735 		case MT8186_DAI_ADDA:
736 		case MT8186_DAI_AP_DMIC:
737 			/* 35Hz @ 48k */
738 			regmap_write(afe->regmap,
739 				     AFE_ADDA_IIR_COEF_02_01, 0);
740 			regmap_write(afe->regmap,
741 				     AFE_ADDA_IIR_COEF_04_03, 0x3fb8);
742 			regmap_write(afe->regmap,
743 				     AFE_ADDA_IIR_COEF_06_05, 0x3fb80000);
744 			regmap_write(afe->regmap,
745 				     AFE_ADDA_IIR_COEF_08_07, 0x3fb80000);
746 			regmap_write(afe->regmap,
747 				     AFE_ADDA_IIR_COEF_10_09, 0xc048);
748 
749 			regmap_write(afe->regmap,
750 				     AFE_ADDA_UL_SRC_CON0, ul_src_con0);
751 
752 			/* Using Internal ADC */
753 			regmap_update_bits(afe->regmap, AFE_ADDA_TOP_CON0, BIT(0), 0);
754 
755 			/* mtkaif_rxif_data_mode = 0, amic */
756 			regmap_update_bits(afe->regmap, AFE_ADDA_MTKAIF_RX_CFG0, BIT(0), 0);
757 			break;
758 		default:
759 			break;
760 		}
761 
762 		/* ap dmic */
763 		switch (id) {
764 		case MT8186_DAI_AP_DMIC:
765 			mtk_adda_ul_src_dmic(afe, id);
766 			break;
767 		default:
768 			break;
769 		}
770 	}
771 
772 	return 0;
773 }
774 
775 static const struct snd_soc_dai_ops mtk_dai_adda_ops = {
776 	.hw_params = mtk_dai_adda_hw_params,
777 };
778 
779 /* dai driver */
780 #define MTK_ADDA_PLAYBACK_RATES (SNDRV_PCM_RATE_8000_48000 |\
781 				 SNDRV_PCM_RATE_96000 |\
782 				 SNDRV_PCM_RATE_192000)
783 
784 #define MTK_ADDA_CAPTURE_RATES (SNDRV_PCM_RATE_8000 |\
785 				SNDRV_PCM_RATE_16000 |\
786 				SNDRV_PCM_RATE_32000 |\
787 				SNDRV_PCM_RATE_48000 |\
788 				SNDRV_PCM_RATE_96000 |\
789 				SNDRV_PCM_RATE_192000)
790 
791 #define MTK_ADDA_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
792 			  SNDRV_PCM_FMTBIT_S24_LE |\
793 			  SNDRV_PCM_FMTBIT_S32_LE)
794 
795 static struct snd_soc_dai_driver mtk_dai_adda_driver[] = {
796 	{
797 		.name = "ADDA",
798 		.id = MT8186_DAI_ADDA,
799 		.playback = {
800 			.stream_name = "ADDA Playback",
801 			.channels_min = 1,
802 			.channels_max = 2,
803 			.rates = MTK_ADDA_PLAYBACK_RATES,
804 			.formats = MTK_ADDA_FORMATS,
805 		},
806 		.capture = {
807 			.stream_name = "ADDA Capture",
808 			.channels_min = 1,
809 			.channels_max = 2,
810 			.rates = MTK_ADDA_CAPTURE_RATES,
811 			.formats = MTK_ADDA_FORMATS,
812 		},
813 		.ops = &mtk_dai_adda_ops,
814 	},
815 	{
816 		.name = "AP_DMIC",
817 		.id = MT8186_DAI_AP_DMIC,
818 		.capture = {
819 			.stream_name = "AP DMIC Capture",
820 			.channels_min = 1,
821 			.channels_max = 2,
822 			.rates = MTK_ADDA_CAPTURE_RATES,
823 			.formats = MTK_ADDA_FORMATS,
824 		},
825 		.ops = &mtk_dai_adda_ops,
826 	},
827 };
828 
mt8186_dai_adda_register(struct mtk_base_afe * afe)829 int mt8186_dai_adda_register(struct mtk_base_afe *afe)
830 {
831 	struct mtk_base_afe_dai *dai;
832 	struct mt8186_afe_private *afe_priv = afe->platform_priv;
833 	int ret;
834 
835 	dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
836 	if (!dai)
837 		return -ENOMEM;
838 
839 	list_add(&dai->list, &afe->sub_dais);
840 
841 	dai->dai_drivers = mtk_dai_adda_driver;
842 	dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_adda_driver);
843 
844 	dai->controls = mtk_adda_controls;
845 	dai->num_controls = ARRAY_SIZE(mtk_adda_controls);
846 	dai->dapm_widgets = mtk_dai_adda_widgets;
847 	dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_adda_widgets);
848 	dai->dapm_routes = mtk_dai_adda_routes;
849 	dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_adda_routes);
850 
851 	/* set dai priv */
852 	ret = mt8186_dai_set_priv(afe, MT8186_DAI_ADDA,
853 				  sizeof(struct mtk_afe_adda_priv), NULL);
854 	if (ret)
855 		return ret;
856 
857 	/* ap dmic priv share with adda */
858 	afe_priv->dai_priv[MT8186_DAI_AP_DMIC] =
859 		afe_priv->dai_priv[MT8186_DAI_ADDA];
860 
861 	return 0;
862 }
863