1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * MediaTek ALSA SoC Audio DAI ADDA Control
4  *
5  * Copyright (c) 2021 MediaTek Inc.
6  * Author: Bicycle Tsai <bicycle.tsai@mediatek.com>
7  *         Trevor Wu <trevor.wu@mediatek.com>
8  */
9 
10 #include <linux/delay.h>
11 #include <linux/regmap.h>
12 #include "mt8195-afe-clk.h"
13 #include "mt8195-afe-common.h"
14 #include "mt8195-reg.h"
15 #include "../common/mtk-dai-adda-common.h"
16 
17 #define ADDA_DL_GAIN_LOOPBACK 0x1800
18 #define ADDA_HIRES_THRES 48000
19 
20 enum {
21 	SUPPLY_SEQ_CLOCK_SEL,
22 	SUPPLY_SEQ_CLOCK_ON,
23 	SUPPLY_SEQ_ADDA_DL_ON,
24 	SUPPLY_SEQ_ADDA_MTKAIF_CFG,
25 	SUPPLY_SEQ_ADDA_UL_ON,
26 	SUPPLY_SEQ_ADDA_AFE_ON,
27 };
28 
29 enum {
30 	MTK_AFE_ADDA,
31 	MTK_AFE_ADDA6,
32 };
33 
34 struct mtk_dai_adda_priv {
35 	bool hires_required;
36 };
37 
mt8195_adda_mtkaif_init(struct mtk_base_afe * afe)38 static int mt8195_adda_mtkaif_init(struct mtk_base_afe *afe)
39 {
40 	struct mt8195_afe_private *afe_priv = afe->platform_priv;
41 	struct mtkaif_param *param = &afe_priv->mtkaif_params;
42 	int delay_data;
43 	int delay_cycle;
44 	unsigned int mask = 0;
45 	unsigned int val = 0;
46 
47 	/* set rx protocol 2 & mtkaif_rxif_clkinv_adc inverse */
48 	mask = (MTKAIF_RXIF_CLKINV_ADC | MTKAIF_RXIF_PROTOCOL2);
49 	val = (MTKAIF_RXIF_CLKINV_ADC | MTKAIF_RXIF_PROTOCOL2);
50 
51 	regmap_update_bits(afe->regmap, AFE_ADDA_MTKAIF_CFG0, mask, val);
52 	regmap_update_bits(afe->regmap, AFE_ADDA6_MTKAIF_CFG0, mask, val);
53 
54 	mask = RG_RX_PROTOCOL2;
55 	val = RG_RX_PROTOCOL2;
56 	regmap_update_bits(afe->regmap, AFE_AUD_PAD_TOP, mask, val);
57 
58 	if (!param->mtkaif_calibration_ok) {
59 		dev_info(afe->dev, "%s(), calibration fail\n",  __func__);
60 		return 0;
61 	}
62 
63 	/* set delay for ch1, ch2 */
64 	if (param->mtkaif_phase_cycle[MT8195_MTKAIF_MISO_0] >=
65 	    param->mtkaif_phase_cycle[MT8195_MTKAIF_MISO_1]) {
66 		delay_data = DELAY_DATA_MISO1;
67 		delay_cycle =
68 			param->mtkaif_phase_cycle[MT8195_MTKAIF_MISO_0] -
69 			param->mtkaif_phase_cycle[MT8195_MTKAIF_MISO_1];
70 	} else {
71 		delay_data = DELAY_DATA_MISO0;
72 		delay_cycle =
73 			param->mtkaif_phase_cycle[MT8195_MTKAIF_MISO_1] -
74 			param->mtkaif_phase_cycle[MT8195_MTKAIF_MISO_0];
75 	}
76 
77 	val = 0;
78 	mask = (MTKAIF_RXIF_DELAY_DATA | MTKAIF_RXIF_DELAY_CYCLE_MASK);
79 	val |= MTKAIF_RXIF_DELAY_CYCLE(delay_cycle) &
80 	       MTKAIF_RXIF_DELAY_CYCLE_MASK;
81 	val |= delay_data << MTKAIF_RXIF_DELAY_DATA_SHIFT;
82 	regmap_update_bits(afe->regmap, AFE_ADDA_MTKAIF_RX_CFG2, mask, val);
83 
84 	/* set delay between ch3 and ch2 */
85 	if (param->mtkaif_phase_cycle[MT8195_MTKAIF_MISO_2] >=
86 	    param->mtkaif_phase_cycle[MT8195_MTKAIF_MISO_1]) {
87 		delay_data = DELAY_DATA_MISO1;
88 		delay_cycle =
89 			param->mtkaif_phase_cycle[MT8195_MTKAIF_MISO_2] -
90 			param->mtkaif_phase_cycle[MT8195_MTKAIF_MISO_1];
91 	} else {
92 		delay_data = DELAY_DATA_MISO2;
93 		delay_cycle =
94 			param->mtkaif_phase_cycle[MT8195_MTKAIF_MISO_1] -
95 			param->mtkaif_phase_cycle[MT8195_MTKAIF_MISO_2];
96 	}
97 
98 	val = 0;
99 	mask = (MTKAIF_RXIF_DELAY_DATA | MTKAIF_RXIF_DELAY_CYCLE_MASK);
100 	val |= MTKAIF_RXIF_DELAY_CYCLE(delay_cycle) &
101 	       MTKAIF_RXIF_DELAY_CYCLE_MASK;
102 	val |= delay_data << MTKAIF_RXIF_DELAY_DATA_SHIFT;
103 	regmap_update_bits(afe->regmap, AFE_ADDA6_MTKAIF_RX_CFG2, mask, val);
104 
105 	return 0;
106 }
107 
mtk_adda_mtkaif_cfg_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)108 static int mtk_adda_mtkaif_cfg_event(struct snd_soc_dapm_widget *w,
109 				     struct snd_kcontrol *kcontrol,
110 				     int event)
111 {
112 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
113 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
114 
115 	dev_dbg(afe->dev, "%s(), name %s, event 0x%x\n",
116 		__func__, w->name, event);
117 
118 	switch (event) {
119 	case SND_SOC_DAPM_PRE_PMU:
120 		mt8195_adda_mtkaif_init(afe);
121 		break;
122 	default:
123 		break;
124 	}
125 
126 	return 0;
127 }
128 
mtk_adda_dl_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)129 static int mtk_adda_dl_event(struct snd_soc_dapm_widget *w,
130 			     struct snd_kcontrol *kcontrol,
131 			     int event)
132 {
133 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
134 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
135 
136 	dev_dbg(afe->dev, "%s(), name %s, event 0x%x\n",
137 		__func__, w->name, event);
138 
139 	switch (event) {
140 	case SND_SOC_DAPM_POST_PMD:
141 		/* should delayed 1/fs(smallest is 8k) = 125us before afe off */
142 		usleep_range(125, 135);
143 		break;
144 	default:
145 		break;
146 	}
147 
148 	return 0;
149 }
150 
mtk_adda_ul_mictype(struct mtk_base_afe * afe,int adda,bool dmic)151 static void mtk_adda_ul_mictype(struct mtk_base_afe *afe, int adda, bool dmic)
152 {
153 	unsigned int reg = 0;
154 	unsigned int mask = 0;
155 	unsigned int val = 0;
156 
157 	switch (adda) {
158 	case MTK_AFE_ADDA:
159 		reg = AFE_ADDA_UL_SRC_CON0;
160 		break;
161 	case MTK_AFE_ADDA6:
162 		reg = AFE_ADDA6_UL_SRC_CON0;
163 		break;
164 	default:
165 		dev_info(afe->dev, "%s(), wrong parameter\n",  __func__);
166 		return;
167 	}
168 
169 	mask = (UL_SDM3_LEVEL_CTL | UL_MODE_3P25M_CH1_CTL |
170 		UL_MODE_3P25M_CH2_CTL);
171 
172 	/* turn on dmic, ch1, ch2 */
173 	if (dmic)
174 		val = mask;
175 
176 	regmap_update_bits(afe->regmap, reg, mask, val);
177 }
178 
mtk_adda_ul_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)179 static int mtk_adda_ul_event(struct snd_soc_dapm_widget *w,
180 			     struct snd_kcontrol *kcontrol,
181 			     int event)
182 {
183 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
184 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
185 	struct mt8195_afe_private *afe_priv = afe->platform_priv;
186 	struct mtkaif_param *param = &afe_priv->mtkaif_params;
187 
188 	dev_dbg(afe->dev, "%s(), name %s, event 0x%x\n",
189 		__func__, w->name, event);
190 
191 	switch (event) {
192 	case SND_SOC_DAPM_PRE_PMU:
193 		mtk_adda_ul_mictype(afe, MTK_AFE_ADDA, param->mtkaif_dmic_on);
194 		break;
195 	case SND_SOC_DAPM_POST_PMD:
196 		/* should delayed 1/fs(smallest is 8k) = 125us before afe off */
197 		usleep_range(125, 135);
198 		break;
199 	default:
200 		break;
201 	}
202 
203 	return 0;
204 }
205 
mtk_adda6_ul_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)206 static int mtk_adda6_ul_event(struct snd_soc_dapm_widget *w,
207 			      struct snd_kcontrol *kcontrol,
208 			      int event)
209 {
210 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
211 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
212 	struct mt8195_afe_private *afe_priv = afe->platform_priv;
213 	struct mtkaif_param *param = &afe_priv->mtkaif_params;
214 	unsigned int val;
215 
216 	dev_dbg(afe->dev, "%s(), name %s, event 0x%x\n",
217 		__func__, w->name, event);
218 
219 	switch (event) {
220 	case SND_SOC_DAPM_PRE_PMU:
221 		mtk_adda_ul_mictype(afe, MTK_AFE_ADDA6, param->mtkaif_dmic_on);
222 
223 		val = (param->mtkaif_adda6_only ?
224 			ADDA6_MTKAIF_RX_SYNC_WORD2_DISABLE : 0);
225 
226 		regmap_update_bits(afe->regmap,
227 				   AFE_ADDA_MTKAIF_SYNCWORD_CFG,
228 				   ADDA6_MTKAIF_RX_SYNC_WORD2_DISABLE,
229 				   val);
230 		break;
231 	case SND_SOC_DAPM_POST_PMD:
232 		/* should delayed 1/fs(smallest is 8k) = 125us before afe off */
233 		usleep_range(125, 135);
234 		break;
235 	default:
236 		break;
237 	}
238 
239 	return 0;
240 }
241 
mtk_audio_hires_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)242 static int mtk_audio_hires_event(struct snd_soc_dapm_widget *w,
243 				 struct snd_kcontrol *kcontrol,
244 				 int event)
245 {
246 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
247 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
248 	struct mt8195_afe_private *afe_priv = afe->platform_priv;
249 	struct clk *clk = afe_priv->clk[MT8195_CLK_TOP_AUDIO_H_SEL];
250 	struct clk *clk_parent;
251 
252 	dev_dbg(afe->dev, "%s(), name %s, event 0x%x\n",
253 		__func__, w->name, event);
254 
255 	switch (event) {
256 	case SND_SOC_DAPM_PRE_PMU:
257 		clk_parent = afe_priv->clk[MT8195_CLK_TOP_APLL1];
258 		break;
259 	case SND_SOC_DAPM_POST_PMD:
260 		clk_parent = afe_priv->clk[MT8195_CLK_XTAL_26M];
261 		break;
262 	default:
263 		return 0;
264 	}
265 	mt8195_afe_set_clk_parent(afe, clk, clk_parent);
266 
267 	return 0;
268 }
269 
get_adda_priv_by_name(struct mtk_base_afe * afe,const char * name)270 static struct mtk_dai_adda_priv *get_adda_priv_by_name(struct mtk_base_afe *afe,
271 						       const char *name)
272 {
273 	struct mt8195_afe_private *afe_priv = afe->platform_priv;
274 	int dai_id;
275 
276 	if (strstr(name, "aud_adc_hires"))
277 		dai_id = MT8195_AFE_IO_UL_SRC1;
278 	else if (strstr(name, "aud_adda6_adc_hires"))
279 		dai_id = MT8195_AFE_IO_UL_SRC2;
280 	else if (strstr(name, "aud_dac_hires"))
281 		dai_id = MT8195_AFE_IO_DL_SRC;
282 	else
283 		return NULL;
284 
285 	return afe_priv->dai_priv[dai_id];
286 }
287 
mtk_afe_adda_hires_connect(struct snd_soc_dapm_widget * source,struct snd_soc_dapm_widget * sink)288 static int mtk_afe_adda_hires_connect(struct snd_soc_dapm_widget *source,
289 				      struct snd_soc_dapm_widget *sink)
290 {
291 	struct snd_soc_dapm_widget *w = source;
292 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
293 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
294 	struct mtk_dai_adda_priv *adda_priv;
295 
296 	adda_priv = get_adda_priv_by_name(afe, w->name);
297 
298 	if (!adda_priv) {
299 		dev_info(afe->dev, "adda_priv == NULL");
300 		return 0;
301 	}
302 
303 	return (adda_priv->hires_required) ? 1 : 0;
304 }
305 
306 static const struct snd_kcontrol_new mtk_dai_adda_o176_mix[] = {
307 	SOC_DAPM_SINGLE_AUTODISABLE("I000 Switch", AFE_CONN176, 0, 1, 0),
308 	SOC_DAPM_SINGLE_AUTODISABLE("I002 Switch", AFE_CONN176, 2, 1, 0),
309 	SOC_DAPM_SINGLE_AUTODISABLE("I020 Switch", AFE_CONN176, 20, 1, 0),
310 	SOC_DAPM_SINGLE_AUTODISABLE("I022 Switch", AFE_CONN176, 22, 1, 0),
311 	SOC_DAPM_SINGLE_AUTODISABLE("I070 Switch", AFE_CONN176_2, 6, 1, 0),
312 };
313 
314 static const struct snd_kcontrol_new mtk_dai_adda_o177_mix[] = {
315 	SOC_DAPM_SINGLE_AUTODISABLE("I001 Switch", AFE_CONN177, 1, 1, 0),
316 	SOC_DAPM_SINGLE_AUTODISABLE("I003 Switch", AFE_CONN177, 3, 1, 0),
317 	SOC_DAPM_SINGLE_AUTODISABLE("I021 Switch", AFE_CONN177, 21, 1, 0),
318 	SOC_DAPM_SINGLE_AUTODISABLE("I023 Switch", AFE_CONN177, 23, 1, 0),
319 	SOC_DAPM_SINGLE_AUTODISABLE("I071 Switch", AFE_CONN177_2, 7, 1, 0),
320 };
321 
322 static const char * const adda_dlgain_mux_map[] = {
323 	"Bypass", "Connect",
324 };
325 
326 static SOC_ENUM_SINGLE_DECL(adda_dlgain_mux_map_enum,
327 			    SND_SOC_NOPM, 0,
328 			    adda_dlgain_mux_map);
329 
330 static const struct snd_kcontrol_new adda_dlgain_mux_control =
331 	SOC_DAPM_ENUM("DL_GAIN_MUX", adda_dlgain_mux_map_enum);
332 
333 static const struct snd_soc_dapm_widget mtk_dai_adda_widgets[] = {
334 	SND_SOC_DAPM_MIXER("I168", SND_SOC_NOPM, 0, 0, NULL, 0),
335 	SND_SOC_DAPM_MIXER("I169", SND_SOC_NOPM, 0, 0, NULL, 0),
336 	SND_SOC_DAPM_MIXER("I170", SND_SOC_NOPM, 0, 0, NULL, 0),
337 	SND_SOC_DAPM_MIXER("I171", SND_SOC_NOPM, 0, 0, NULL, 0),
338 
339 	SND_SOC_DAPM_MIXER("O176", SND_SOC_NOPM, 0, 0,
340 			   mtk_dai_adda_o176_mix,
341 			   ARRAY_SIZE(mtk_dai_adda_o176_mix)),
342 	SND_SOC_DAPM_MIXER("O177", SND_SOC_NOPM, 0, 0,
343 			   mtk_dai_adda_o177_mix,
344 			   ARRAY_SIZE(mtk_dai_adda_o177_mix)),
345 
346 	SND_SOC_DAPM_SUPPLY_S("ADDA Enable", SUPPLY_SEQ_ADDA_AFE_ON,
347 			      AFE_ADDA_UL_DL_CON0,
348 			      ADDA_AFE_ON_SHIFT, 0,
349 			      NULL,
350 			      0),
351 
352 	SND_SOC_DAPM_SUPPLY_S("ADDA Playback Enable", SUPPLY_SEQ_ADDA_DL_ON,
353 			      AFE_ADDA_DL_SRC2_CON0,
354 			      DL_2_SRC_ON_TMP_CTRL_PRE_SHIFT, 0,
355 			      mtk_adda_dl_event,
356 			      SND_SOC_DAPM_POST_PMD),
357 
358 	SND_SOC_DAPM_SUPPLY_S("ADDA Capture Enable", SUPPLY_SEQ_ADDA_UL_ON,
359 			      AFE_ADDA_UL_SRC_CON0,
360 			      UL_SRC_ON_TMP_CTL_SHIFT, 0,
361 			      mtk_adda_ul_event,
362 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
363 
364 	SND_SOC_DAPM_SUPPLY_S("ADDA6 Capture Enable", SUPPLY_SEQ_ADDA_UL_ON,
365 			      AFE_ADDA6_UL_SRC_CON0,
366 			      UL_SRC_ON_TMP_CTL_SHIFT, 0,
367 			      mtk_adda6_ul_event,
368 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
369 
370 	SND_SOC_DAPM_SUPPLY_S("AUDIO_HIRES", SUPPLY_SEQ_CLOCK_SEL,
371 			      SND_SOC_NOPM,
372 			      0, 0,
373 			      mtk_audio_hires_event,
374 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
375 
376 	SND_SOC_DAPM_SUPPLY_S("ADDA_MTKAIF_CFG", SUPPLY_SEQ_ADDA_MTKAIF_CFG,
377 			      SND_SOC_NOPM,
378 			      0, 0,
379 			      mtk_adda_mtkaif_cfg_event,
380 			      SND_SOC_DAPM_PRE_PMU),
381 
382 	SND_SOC_DAPM_MUX("DL_GAIN_MUX", SND_SOC_NOPM, 0, 0,
383 			 &adda_dlgain_mux_control),
384 
385 	SND_SOC_DAPM_PGA("DL_GAIN", AFE_ADDA_DL_SRC2_CON0,
386 			 DL_2_GAIN_ON_CTL_PRE_SHIFT, 0, NULL, 0),
387 
388 	SND_SOC_DAPM_INPUT("ADDA_INPUT"),
389 	SND_SOC_DAPM_OUTPUT("ADDA_OUTPUT"),
390 
391 	SND_SOC_DAPM_CLOCK_SUPPLY("aud_dac"),
392 	SND_SOC_DAPM_CLOCK_SUPPLY("aud_adc"),
393 	SND_SOC_DAPM_CLOCK_SUPPLY("aud_adda6_adc"),
394 	SND_SOC_DAPM_CLOCK_SUPPLY("aud_dac_hires"),
395 	SND_SOC_DAPM_CLOCK_SUPPLY("aud_adc_hires"),
396 	SND_SOC_DAPM_CLOCK_SUPPLY("aud_adda6_adc_hires"),
397 };
398 
399 static const struct snd_soc_dapm_route mtk_dai_adda_routes[] = {
400 	{"ADDA Capture", NULL, "ADDA Enable"},
401 	{"ADDA Capture", NULL, "ADDA Capture Enable"},
402 	{"ADDA Capture", NULL, "ADDA_MTKAIF_CFG"},
403 	{"ADDA Capture", NULL, "aud_adc"},
404 	{"ADDA Capture", NULL, "aud_adc_hires", mtk_afe_adda_hires_connect},
405 	{"aud_adc_hires", NULL, "AUDIO_HIRES"},
406 
407 	{"ADDA6 Capture", NULL, "ADDA Enable"},
408 	{"ADDA6 Capture", NULL, "ADDA6 Capture Enable"},
409 	{"ADDA6 Capture", NULL, "ADDA_MTKAIF_CFG"},
410 	{"ADDA6 Capture", NULL, "aud_adda6_adc"},
411 	{"ADDA6 Capture", NULL, "aud_adda6_adc_hires",
412 	mtk_afe_adda_hires_connect},
413 	{"aud_adda6_adc_hires", NULL, "AUDIO_HIRES"},
414 
415 	{"I168", NULL, "ADDA Capture"},
416 	{"I169", NULL, "ADDA Capture"},
417 	{"I170", NULL, "ADDA6 Capture"},
418 	{"I171", NULL, "ADDA6 Capture"},
419 
420 	{"ADDA Playback", NULL, "ADDA Enable"},
421 	{"ADDA Playback", NULL, "ADDA Playback Enable"},
422 	{"ADDA Playback", NULL, "aud_dac"},
423 	{"ADDA Playback", NULL, "aud_dac_hires", mtk_afe_adda_hires_connect},
424 	{"aud_dac_hires", NULL, "AUDIO_HIRES"},
425 
426 	{"DL_GAIN", NULL, "O176"},
427 	{"DL_GAIN", NULL, "O177"},
428 
429 	{"DL_GAIN_MUX", "Bypass", "O176"},
430 	{"DL_GAIN_MUX", "Bypass", "O177"},
431 	{"DL_GAIN_MUX", "Connect", "DL_GAIN"},
432 
433 	{"ADDA Playback", NULL, "DL_GAIN_MUX"},
434 
435 	{"O176", "I000 Switch", "I000"},
436 	{"O177", "I001 Switch", "I001"},
437 
438 	{"O176", "I002 Switch", "I002"},
439 	{"O177", "I003 Switch", "I003"},
440 
441 	{"O176", "I020 Switch", "I020"},
442 	{"O177", "I021 Switch", "I021"},
443 
444 	{"O176", "I022 Switch", "I022"},
445 	{"O177", "I023 Switch", "I023"},
446 
447 	{"O176", "I070 Switch", "I070"},
448 	{"O177", "I071 Switch", "I071"},
449 
450 	{"ADDA Capture", NULL, "ADDA_INPUT"},
451 	{"ADDA6 Capture", NULL, "ADDA_INPUT"},
452 	{"ADDA_OUTPUT", NULL, "ADDA Playback"},
453 };
454 
mt8195_adda_dl_gain_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)455 static int mt8195_adda_dl_gain_put(struct snd_kcontrol *kcontrol,
456 				   struct snd_ctl_elem_value *ucontrol)
457 {
458 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
459 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
460 	unsigned int reg = AFE_ADDA_DL_SRC2_CON1;
461 	unsigned int mask = DL_2_GAIN_CTL_PRE_MASK;
462 	unsigned int value = (unsigned int)(ucontrol->value.integer.value[0]);
463 
464 	regmap_update_bits(afe->regmap, reg, mask, DL_2_GAIN_CTL_PRE(value));
465 	return 0;
466 }
467 
mt8195_adda_dl_gain_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)468 static int mt8195_adda_dl_gain_get(struct snd_kcontrol *kcontrol,
469 				   struct snd_ctl_elem_value *ucontrol)
470 {
471 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
472 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
473 	unsigned int reg = AFE_ADDA_DL_SRC2_CON1;
474 	unsigned int mask = DL_2_GAIN_CTL_PRE_MASK;
475 	unsigned int value = 0;
476 
477 	regmap_read(afe->regmap, reg, &value);
478 
479 	ucontrol->value.integer.value[0] = ((value & mask) >>
480 					    DL_2_GAIN_CTL_PRE_SHIFT);
481 	return 0;
482 }
483 
mt8195_adda6_only_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)484 static int mt8195_adda6_only_get(struct snd_kcontrol *kcontrol,
485 				 struct snd_ctl_elem_value *ucontrol)
486 {
487 	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
488 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
489 	struct mt8195_afe_private *afe_priv = afe->platform_priv;
490 	struct mtkaif_param *param = &afe_priv->mtkaif_params;
491 
492 	ucontrol->value.integer.value[0] = param->mtkaif_adda6_only;
493 	return 0;
494 }
495 
mt8195_adda6_only_set(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)496 static int mt8195_adda6_only_set(struct snd_kcontrol *kcontrol,
497 				 struct snd_ctl_elem_value *ucontrol)
498 {
499 	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
500 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
501 	struct mt8195_afe_private *afe_priv = afe->platform_priv;
502 	struct mtkaif_param *param = &afe_priv->mtkaif_params;
503 	int mtkaif_adda6_only;
504 
505 	mtkaif_adda6_only = ucontrol->value.integer.value[0];
506 
507 	dev_info(afe->dev, "%s(), kcontrol name %s, mtkaif_adda6_only %d\n",
508 		 __func__, kcontrol->id.name, mtkaif_adda6_only);
509 
510 	param->mtkaif_adda6_only = mtkaif_adda6_only;
511 
512 	return 0;
513 }
514 
mt8195_adda_dmic_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)515 static int mt8195_adda_dmic_get(struct snd_kcontrol *kcontrol,
516 				struct snd_ctl_elem_value *ucontrol)
517 {
518 	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
519 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
520 	struct mt8195_afe_private *afe_priv = afe->platform_priv;
521 	struct mtkaif_param *param = &afe_priv->mtkaif_params;
522 
523 	ucontrol->value.integer.value[0] = param->mtkaif_dmic_on;
524 	return 0;
525 }
526 
mt8195_adda_dmic_set(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)527 static int mt8195_adda_dmic_set(struct snd_kcontrol *kcontrol,
528 				struct snd_ctl_elem_value *ucontrol)
529 {
530 	struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
531 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
532 	struct mt8195_afe_private *afe_priv = afe->platform_priv;
533 	struct mtkaif_param *param = &afe_priv->mtkaif_params;
534 	int dmic_on;
535 
536 	dmic_on = ucontrol->value.integer.value[0];
537 
538 	dev_dbg(afe->dev, "%s(), kcontrol name %s, dmic_on %d\n",
539 		__func__, kcontrol->id.name, dmic_on);
540 
541 	param->mtkaif_dmic_on = dmic_on;
542 	return 0;
543 }
544 
545 static const struct snd_kcontrol_new mtk_dai_adda_controls[] = {
546 	SOC_SINGLE_EXT("ADDA_DL_Gain", SND_SOC_NOPM, 0, 65535, 0,
547 		       mt8195_adda_dl_gain_get, mt8195_adda_dl_gain_put),
548 	SOC_SINGLE_BOOL_EXT("MTKAIF_DMIC", 0,
549 			    mt8195_adda_dmic_get, mt8195_adda_dmic_set),
550 	SOC_SINGLE_BOOL_EXT("MTKAIF_ADDA6_ONLY", 0,
551 			    mt8195_adda6_only_get,
552 			    mt8195_adda6_only_set),
553 };
554 
mtk_dai_da_configure(struct mtk_base_afe * afe,unsigned int rate,int id)555 static int mtk_dai_da_configure(struct mtk_base_afe *afe,
556 				unsigned int rate, int id)
557 {
558 	unsigned int val = 0;
559 	unsigned int mask = 0;
560 
561 	/* set sampling rate */
562 	mask |= DL_2_INPUT_MODE_CTL_MASK;
563 	val |= DL_2_INPUT_MODE_CTL(mtk_adda_dl_rate_transform(afe, rate));
564 
565 	/* turn off saturation */
566 	mask |= DL_2_CH1_SATURATION_EN_CTL;
567 	mask |= DL_2_CH2_SATURATION_EN_CTL;
568 
569 	/* turn off mute function */
570 	mask |= DL_2_MUTE_CH1_OFF_CTL_PRE;
571 	mask |= DL_2_MUTE_CH2_OFF_CTL_PRE;
572 	val |= DL_2_MUTE_CH1_OFF_CTL_PRE;
573 	val |= DL_2_MUTE_CH2_OFF_CTL_PRE;
574 
575 	/* set voice input data if input sample rate is 8k or 16k */
576 	mask |= DL_2_VOICE_MODE_CTL_PRE;
577 	if (rate == 8000 || rate == 16000)
578 		val |= DL_2_VOICE_MODE_CTL_PRE;
579 
580 	regmap_update_bits(afe->regmap, AFE_ADDA_DL_SRC2_CON0, mask, val);
581 
582 	mask = 0;
583 	val = 0;
584 
585 	/* new 2nd sdm */
586 	mask |= DL_USE_NEW_2ND_SDM;
587 	val |= DL_USE_NEW_2ND_SDM;
588 	regmap_update_bits(afe->regmap, AFE_ADDA_DL_SDM_DCCOMP_CON, mask, val);
589 
590 	return 0;
591 }
592 
mtk_dai_ad_configure(struct mtk_base_afe * afe,unsigned int rate,int id)593 static int mtk_dai_ad_configure(struct mtk_base_afe *afe,
594 				unsigned int rate, int id)
595 {
596 	unsigned int val = 0;
597 	unsigned int mask = 0;
598 
599 	mask |= UL_VOICE_MODE_CTL_MASK;
600 	val |= UL_VOICE_MODE_CTL(mtk_adda_ul_rate_transform(afe, rate));
601 
602 	switch (id) {
603 	case MT8195_AFE_IO_UL_SRC1:
604 		regmap_update_bits(afe->regmap, AFE_ADDA_UL_SRC_CON0,
605 				   mask, val);
606 		break;
607 	case MT8195_AFE_IO_UL_SRC2:
608 		regmap_update_bits(afe->regmap, AFE_ADDA6_UL_SRC_CON0,
609 				   mask, val);
610 		break;
611 	default:
612 		break;
613 	}
614 	return 0;
615 }
616 
mtk_dai_adda_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)617 static int mtk_dai_adda_hw_params(struct snd_pcm_substream *substream,
618 				  struct snd_pcm_hw_params *params,
619 				  struct snd_soc_dai *dai)
620 {
621 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
622 	struct mt8195_afe_private *afe_priv = afe->platform_priv;
623 	struct mtk_dai_adda_priv *adda_priv;
624 	unsigned int rate = params_rate(params);
625 	int ret;
626 
627 	if (dai->id != MT8195_AFE_IO_DL_SRC &&
628 	    dai->id != MT8195_AFE_IO_UL_SRC1 &&
629 	    dai->id != MT8195_AFE_IO_UL_SRC2)
630 		return -EINVAL;
631 	adda_priv = afe_priv->dai_priv[dai->id];
632 
633 	dev_dbg(afe->dev, "%s(), id %d, stream %d, rate %d\n",
634 		__func__, dai->id, substream->stream, rate);
635 
636 	if (rate > ADDA_HIRES_THRES)
637 		adda_priv->hires_required = 1;
638 	else
639 		adda_priv->hires_required = 0;
640 
641 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
642 		ret = mtk_dai_da_configure(afe, rate, dai->id);
643 	else
644 		ret = mtk_dai_ad_configure(afe, rate, dai->id);
645 
646 	return ret;
647 }
648 
649 static const struct snd_soc_dai_ops mtk_dai_adda_ops = {
650 	.hw_params = mtk_dai_adda_hw_params,
651 };
652 
653 /* dai driver */
654 #define MTK_ADDA_PLAYBACK_RATES (SNDRV_PCM_RATE_8000_48000 |\
655 				 SNDRV_PCM_RATE_96000 |\
656 				 SNDRV_PCM_RATE_192000)
657 
658 #define MTK_ADDA_CAPTURE_RATES (SNDRV_PCM_RATE_8000 |\
659 				SNDRV_PCM_RATE_16000 |\
660 				SNDRV_PCM_RATE_32000 |\
661 				SNDRV_PCM_RATE_48000 |\
662 				SNDRV_PCM_RATE_96000 |\
663 				SNDRV_PCM_RATE_192000)
664 
665 #define MTK_ADDA_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
666 			  SNDRV_PCM_FMTBIT_S24_LE |\
667 			  SNDRV_PCM_FMTBIT_S32_LE)
668 
669 static struct snd_soc_dai_driver mtk_dai_adda_driver[] = {
670 	{
671 		.name = "DL_SRC",
672 		.id = MT8195_AFE_IO_DL_SRC,
673 		.playback = {
674 			.stream_name = "ADDA Playback",
675 			.channels_min = 1,
676 			.channels_max = 2,
677 			.rates = MTK_ADDA_PLAYBACK_RATES,
678 			.formats = MTK_ADDA_FORMATS,
679 		},
680 		.ops = &mtk_dai_adda_ops,
681 	},
682 	{
683 		.name = "UL_SRC1",
684 		.id = MT8195_AFE_IO_UL_SRC1,
685 		.capture = {
686 			.stream_name = "ADDA Capture",
687 			.channels_min = 1,
688 			.channels_max = 2,
689 			.rates = MTK_ADDA_CAPTURE_RATES,
690 			.formats = MTK_ADDA_FORMATS,
691 		},
692 		.ops = &mtk_dai_adda_ops,
693 	},
694 	{
695 		.name = "UL_SRC2",
696 		.id = MT8195_AFE_IO_UL_SRC2,
697 		.capture = {
698 			.stream_name = "ADDA6 Capture",
699 			.channels_min = 1,
700 			.channels_max = 2,
701 			.rates = MTK_ADDA_CAPTURE_RATES,
702 			.formats = MTK_ADDA_FORMATS,
703 		},
704 		.ops = &mtk_dai_adda_ops,
705 	},
706 };
707 
init_adda_priv_data(struct mtk_base_afe * afe)708 static int init_adda_priv_data(struct mtk_base_afe *afe)
709 {
710 	struct mt8195_afe_private *afe_priv = afe->platform_priv;
711 	struct mtk_dai_adda_priv *adda_priv;
712 	static const int adda_dai_list[] = {
713 		MT8195_AFE_IO_DL_SRC,
714 		MT8195_AFE_IO_UL_SRC1,
715 		MT8195_AFE_IO_UL_SRC2
716 	};
717 	int i;
718 
719 	for (i = 0; i < ARRAY_SIZE(adda_dai_list); i++) {
720 		adda_priv = devm_kzalloc(afe->dev,
721 					 sizeof(struct mtk_dai_adda_priv),
722 					 GFP_KERNEL);
723 		if (!adda_priv)
724 			return -ENOMEM;
725 
726 		afe_priv->dai_priv[adda_dai_list[i]] = adda_priv;
727 	}
728 
729 	return 0;
730 }
731 
mt8195_dai_adda_register(struct mtk_base_afe * afe)732 int mt8195_dai_adda_register(struct mtk_base_afe *afe)
733 {
734 	struct mtk_base_afe_dai *dai;
735 
736 	dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
737 	if (!dai)
738 		return -ENOMEM;
739 
740 	list_add(&dai->list, &afe->sub_dais);
741 
742 	dai->dai_drivers = mtk_dai_adda_driver;
743 	dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_adda_driver);
744 
745 	dai->dapm_widgets = mtk_dai_adda_widgets;
746 	dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_adda_widgets);
747 	dai->dapm_routes = mtk_dai_adda_routes;
748 	dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_adda_routes);
749 	dai->controls = mtk_dai_adda_controls;
750 	dai->num_controls = ARRAY_SIZE(mtk_dai_adda_controls);
751 
752 	return init_adda_priv_data(afe);
753 }
754