summaryrefslogtreecommitdiff
path: root/sound/soc/mediatek/mt6797/mt6797-dai-pcm.c
blob: 3136f0bc7827d789703d798957a711a7d9abb411 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
// SPDX-License-Identifier: GPL-2.0
//
// MediaTek ALSA SoC Audio DAI I2S Control
//
// Copyright (c) 2018 MediaTek Inc.
// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>

#include <linux/regmap.h>
#include <sound/pcm_params.h>
#include "mt6797-afe-common.h"
#include "mt6797-interconnection.h"
#include "mt6797-reg.h"

enum AUD_TX_LCH_RPT {
	AUD_TX_LCH_RPT_NO_REPEAT = 0,
	AUD_TX_LCH_RPT_REPEAT = 1
};

enum AUD_VBT_16K_MODE {
	AUD_VBT_16K_MODE_DISABLE = 0,
	AUD_VBT_16K_MODE_ENABLE = 1
};

enum AUD_EXT_MODEM {
	AUD_EXT_MODEM_SELECT_INTERNAL = 0,
	AUD_EXT_MODEM_SELECT_EXTERNAL = 1
};

enum AUD_PCM_SYNC_TYPE {
	/* bck sync length = 1 */
	AUD_PCM_ONE_BCK_CYCLE_SYNC = 0,
	/* bck sync length = PCM_INTF_CON1[9:13] */
	AUD_PCM_EXTENDED_BCK_CYCLE_SYNC = 1
};

enum AUD_BT_MODE {
	AUD_BT_MODE_DUAL_MIC_ON_TX = 0,
	AUD_BT_MODE_SINGLE_MIC_ON_TX = 1
};

enum AUD_PCM_AFIFO_SRC {
	/* slave mode & external modem uses different crystal */
	AUD_PCM_AFIFO_ASRC = 0,
	/* slave mode & external modem uses the same crystal */
	AUD_PCM_AFIFO_AFIFO = 1
};

enum AUD_PCM_CLOCK_SOURCE {
	AUD_PCM_CLOCK_MASTER_MODE = 0,
	AUD_PCM_CLOCK_SLAVE_MODE = 1
};

enum AUD_PCM_WLEN {
	AUD_PCM_WLEN_PCM_32_BCK_CYCLES = 0,
	AUD_PCM_WLEN_PCM_64_BCK_CYCLES = 1
};

enum AUD_PCM_MODE {
	AUD_PCM_MODE_PCM_MODE_8K = 0,
	AUD_PCM_MODE_PCM_MODE_16K = 1,
	AUD_PCM_MODE_PCM_MODE_32K = 2,
	AUD_PCM_MODE_PCM_MODE_48K = 3,
};

enum AUD_PCM_FMT {
	AUD_PCM_FMT_I2S = 0,
	AUD_PCM_FMT_EIAJ = 1,
	AUD_PCM_FMT_PCM_MODE_A = 2,
	AUD_PCM_FMT_PCM_MODE_B = 3
};

enum AUD_BCLK_OUT_INV {
	AUD_BCLK_OUT_INV_NO_INVERSE = 0,
	AUD_BCLK_OUT_INV_INVERSE = 1
};

enum AUD_PCM_EN {
	AUD_PCM_EN_DISABLE = 0,
	AUD_PCM_EN_ENABLE = 1
};

/* dai component */
static const struct snd_kcontrol_new mtk_pcm_1_playback_ch1_mix[] = {
	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN7,
				    I_ADDA_UL_CH1, 1, 0),
	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN7,
				    I_DL2_CH1, 1, 0),
};

static const struct snd_kcontrol_new mtk_pcm_1_playback_ch2_mix[] = {
	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN8,
				    I_ADDA_UL_CH2, 1, 0),
	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN8,
				    I_DL2_CH2, 1, 0),
};

static const struct snd_kcontrol_new mtk_pcm_1_playback_ch4_mix[] = {
	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN27,
				    I_DL1_CH1, 1, 0),
};

static const struct snd_kcontrol_new mtk_pcm_2_playback_ch1_mix[] = {
	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN17,
				    I_ADDA_UL_CH1, 1, 0),
	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN17,
				    I_DL2_CH1, 1, 0),
};

static const struct snd_kcontrol_new mtk_pcm_2_playback_ch2_mix[] = {
	SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN18,
				    I_ADDA_UL_CH2, 1, 0),
	SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN18,
				    I_DL2_CH2, 1, 0),
};

static const struct snd_kcontrol_new mtk_pcm_2_playback_ch4_mix[] = {
	SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN24,
				    I_DL1_CH1, 1, 0),
};

static const struct snd_soc_dapm_widget mtk_dai_pcm_widgets[] = {
	/* inter-connections */
	SND_SOC_DAPM_MIXER("PCM_1_PB_CH1", SND_SOC_NOPM, 0, 0,
			   mtk_pcm_1_playback_ch1_mix,
			   ARRAY_SIZE(mtk_pcm_1_playback_ch1_mix)),
	SND_SOC_DAPM_MIXER("PCM_1_PB_CH2", SND_SOC_NOPM, 0, 0,
			   mtk_pcm_1_playback_ch2_mix,
			   ARRAY_SIZE(mtk_pcm_1_playback_ch2_mix)),
	SND_SOC_DAPM_MIXER("PCM_1_PB_CH4", SND_SOC_NOPM, 0, 0,
			   mtk_pcm_1_playback_ch4_mix,
			   ARRAY_SIZE(mtk_pcm_1_playback_ch4_mix)),
	SND_SOC_DAPM_MIXER("PCM_2_PB_CH1", SND_SOC_NOPM, 0, 0,
			   mtk_pcm_2_playback_ch1_mix,
			   ARRAY_SIZE(mtk_pcm_2_playback_ch1_mix)),
	SND_SOC_DAPM_MIXER("PCM_2_PB_CH2", SND_SOC_NOPM, 0, 0,
			   mtk_pcm_2_playback_ch2_mix,
			   ARRAY_SIZE(mtk_pcm_2_playback_ch2_mix)),
	SND_SOC_DAPM_MIXER("PCM_2_PB_CH4", SND_SOC_NOPM, 0, 0,
			   mtk_pcm_2_playback_ch4_mix,
			   ARRAY_SIZE(mtk_pcm_2_playback_ch4_mix)),

	SND_SOC_DAPM_SUPPLY("PCM_1_EN", PCM_INTF_CON1, PCM_EN_SFT, 0,
			    NULL, 0),

	SND_SOC_DAPM_SUPPLY("PCM_2_EN", PCM2_INTF_CON, PCM2_EN_SFT, 0,
			    NULL, 0),

	SND_SOC_DAPM_INPUT("MD1_TO_AFE"),
	SND_SOC_DAPM_INPUT("MD2_TO_AFE"),
	SND_SOC_DAPM_OUTPUT("AFE_TO_MD1"),
	SND_SOC_DAPM_OUTPUT("AFE_TO_MD2"),
};

static const struct snd_soc_dapm_route mtk_dai_pcm_routes[] = {
	{"PCM 1 Playback", NULL, "PCM_1_PB_CH1"},
	{"PCM 1 Playback", NULL, "PCM_1_PB_CH2"},
	{"PCM 1 Playback", NULL, "PCM_1_PB_CH4"},
	{"PCM 2 Playback", NULL, "PCM_2_PB_CH1"},
	{"PCM 2 Playback", NULL, "PCM_2_PB_CH2"},
	{"PCM 2 Playback", NULL, "PCM_2_PB_CH4"},

	{"PCM 1 Playback", NULL, "PCM_1_EN"},
	{"PCM 2 Playback", NULL, "PCM_2_EN"},
	{"PCM 1 Capture", NULL, "PCM_1_EN"},
	{"PCM 2 Capture", NULL, "PCM_2_EN"},

	{"AFE_TO_MD1", NULL, "PCM 2 Playback"},
	{"AFE_TO_MD2", NULL, "PCM 1 Playback"},
	{"PCM 2 Capture", NULL, "MD1_TO_AFE"},
	{"PCM 1 Capture", NULL, "MD2_TO_AFE"},

	{"PCM_1_PB_CH1", "DL2_CH1", "DL2"},
	{"PCM_1_PB_CH2", "DL2_CH2", "DL2"},
	{"PCM_1_PB_CH4", "DL1_CH1", "DL1"},
	{"PCM_2_PB_CH1", "DL2_CH1", "DL2"},
	{"PCM_2_PB_CH2", "DL2_CH2", "DL2"},
	{"PCM_2_PB_CH4", "DL1_CH1", "DL1"},
};

/* dai ops */
static int mtk_dai_pcm_hw_params(struct snd_pcm_substream *substream,
				 struct snd_pcm_hw_params *params,
				 struct snd_soc_dai *dai)
{
	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
	unsigned int rate = params_rate(params);
	unsigned int rate_reg = mt6797_rate_transform(afe->dev, rate, dai->id);
	unsigned int pcm_con = 0;

	dev_dbg(afe->dev, "%s(), id %d, stream %d, rate %d, rate_reg %d, widget active p %d, c %d\n",
		__func__,
		dai->id,
		substream->stream,
		rate,
		rate_reg,
		dai->playback_widget->active,
		dai->capture_widget->active);

	if (dai->playback_widget->active || dai->capture_widget->active)
		return 0;

	switch (dai->id) {
	case MT6797_DAI_PCM_1:
		pcm_con |= AUD_BCLK_OUT_INV_NO_INVERSE << PCM_BCLK_OUT_INV_SFT;
		pcm_con |= AUD_TX_LCH_RPT_NO_REPEAT << PCM_TX_LCH_RPT_SFT;
		pcm_con |= AUD_VBT_16K_MODE_DISABLE << PCM_VBT_16K_MODE_SFT;
		pcm_con |= AUD_EXT_MODEM_SELECT_INTERNAL << PCM_EXT_MODEM_SFT;
		pcm_con |= 0 << PCM_SYNC_LENGTH_SFT;
		pcm_con |= AUD_PCM_ONE_BCK_CYCLE_SYNC << PCM_SYNC_TYPE_SFT;
		pcm_con |= AUD_BT_MODE_DUAL_MIC_ON_TX << PCM_BT_MODE_SFT;
		pcm_con |= AUD_PCM_AFIFO_AFIFO << PCM_BYP_ASRC_SFT;
		pcm_con |= AUD_PCM_CLOCK_SLAVE_MODE << PCM_SLAVE_SFT;
		pcm_con |= rate_reg << PCM_MODE_SFT;
		pcm_con |= AUD_PCM_FMT_PCM_MODE_B << PCM_FMT_SFT;

		regmap_update_bits(afe->regmap, PCM_INTF_CON1,
				   0xfffffffe, pcm_con);
		break;
	case MT6797_DAI_PCM_2:
		pcm_con |= AUD_TX_LCH_RPT_NO_REPEAT << PCM2_TX_LCH_RPT_SFT;
		pcm_con |= AUD_VBT_16K_MODE_DISABLE << PCM2_VBT_16K_MODE_SFT;
		pcm_con |= AUD_BT_MODE_DUAL_MIC_ON_TX << PCM2_BT_MODE_SFT;
		pcm_con |= AUD_PCM_AFIFO_AFIFO << PCM2_AFIFO_SFT;
		pcm_con |= AUD_PCM_WLEN_PCM_32_BCK_CYCLES << PCM2_WLEN_SFT;
		pcm_con |= rate_reg << PCM2_MODE_SFT;
		pcm_con |= AUD_PCM_FMT_PCM_MODE_B << PCM2_FMT_SFT;

		regmap_update_bits(afe->regmap, PCM2_INTF_CON,
				   0xfffffffe, pcm_con);
		break;
	default:
		dev_warn(afe->dev, "%s(), id %d not support\n",
			 __func__, dai->id);
		return -EINVAL;
	}

	return 0;
}

static const struct snd_soc_dai_ops mtk_dai_pcm_ops = {
	.hw_params = mtk_dai_pcm_hw_params,
};

/* dai driver */
#define MTK_PCM_RATES (SNDRV_PCM_RATE_8000 |\
		       SNDRV_PCM_RATE_16000 |\
		       SNDRV_PCM_RATE_32000 |\
		       SNDRV_PCM_RATE_48000)

#define MTK_PCM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
			 SNDRV_PCM_FMTBIT_S24_LE |\
			 SNDRV_PCM_FMTBIT_S32_LE)

static struct snd_soc_dai_driver mtk_dai_pcm_driver[] = {
	{
		.name = "PCM 1",
		.id = MT6797_DAI_PCM_1,
		.playback = {
			.stream_name = "PCM 1 Playback",
			.channels_min = 1,
			.channels_max = 2,
			.rates = MTK_PCM_RATES,
			.formats = MTK_PCM_FORMATS,
		},
		.capture = {
			.stream_name = "PCM 1 Capture",
			.channels_min = 1,
			.channels_max = 2,
			.rates = MTK_PCM_RATES,
			.formats = MTK_PCM_FORMATS,
		},
		.ops = &mtk_dai_pcm_ops,
		.symmetric_rates = 1,
		.symmetric_samplebits = 1,
	},
	{
		.name = "PCM 2",
		.id = MT6797_DAI_PCM_2,
		.playback = {
			.stream_name = "PCM 2 Playback",
			.channels_min = 1,
			.channels_max = 2,
			.rates = MTK_PCM_RATES,
			.formats = MTK_PCM_FORMATS,
		},
		.capture = {
			.stream_name = "PCM 2 Capture",
			.channels_min = 1,
			.channels_max = 2,
			.rates = MTK_PCM_RATES,
			.formats = MTK_PCM_FORMATS,
		},
		.ops = &mtk_dai_pcm_ops,
		.symmetric_rates = 1,
		.symmetric_samplebits = 1,
	},
};

int mt6797_dai_pcm_register(struct mtk_base_afe *afe)
{
	struct mtk_base_afe_dai *dai;

	dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
	if (!dai)
		return -ENOMEM;

	list_add(&dai->list, &afe->sub_dais);

	dai->dai_drivers = mtk_dai_pcm_driver;
	dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_pcm_driver);

	dai->dapm_widgets = mtk_dai_pcm_widgets;
	dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_pcm_widgets);
	dai->dapm_routes = mtk_dai_pcm_routes;
	dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_pcm_routes);
	return 0;
}