1// SPDX-License-Identifier: GPL-2.0
2//
3// MediaTek ALSA SoC Audio DAI Hostless Control
4//
5// Copyright (c) 2018 MediaTek Inc.
6// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
7
8#include "mt8183-afe-common.h"
9
10/* dai component */
11static const struct snd_soc_dapm_route mtk_dai_hostless_routes[] = {
12	/* Hostless ADDA Loopback */
13	{"ADDA_DL_CH1", "ADDA_UL_CH1", "Hostless LPBK DL"},
14	{"ADDA_DL_CH1", "ADDA_UL_CH2", "Hostless LPBK DL"},
15	{"ADDA_DL_CH2", "ADDA_UL_CH1", "Hostless LPBK DL"},
16	{"ADDA_DL_CH2", "ADDA_UL_CH2", "Hostless LPBK DL"},
17	{"Hostless LPBK UL", NULL, "ADDA Capture"},
18
19	/* Hostless Speech */
20	{"ADDA_DL_CH1", "PCM_1_CAP_CH1", "Hostless Speech DL"},
21	{"ADDA_DL_CH2", "PCM_1_CAP_CH1", "Hostless Speech DL"},
22	{"ADDA_DL_CH2", "PCM_1_CAP_CH2", "Hostless Speech DL"},
23	{"ADDA_DL_CH1", "PCM_2_CAP_CH1", "Hostless Speech DL"},
24	{"ADDA_DL_CH2", "PCM_2_CAP_CH1", "Hostless Speech DL"},
25	{"ADDA_DL_CH2", "PCM_2_CAP_CH2", "Hostless Speech DL"},
26	{"PCM_1_PB_CH1", "ADDA_UL_CH1", "Hostless Speech DL"},
27	{"PCM_1_PB_CH2", "ADDA_UL_CH2", "Hostless Speech DL"},
28	{"PCM_2_PB_CH1", "ADDA_UL_CH1", "Hostless Speech DL"},
29	{"PCM_2_PB_CH2", "ADDA_UL_CH2", "Hostless Speech DL"},
30
31	{"Hostless Speech UL", NULL, "PCM 1 Capture"},
32	{"Hostless Speech UL", NULL, "PCM 2 Capture"},
33	{"Hostless Speech UL", NULL, "ADDA Capture"},
34};
35
36/* dai ops */
37static int mtk_dai_hostless_startup(struct snd_pcm_substream *substream,
38				    struct snd_soc_dai *dai)
39{
40	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
41
42	return snd_soc_set_runtime_hwparams(substream, afe->mtk_afe_hardware);
43}
44
45static const struct snd_soc_dai_ops mtk_dai_hostless_ops = {
46	.startup = mtk_dai_hostless_startup,
47};
48
49/* dai driver */
50#define MTK_HOSTLESS_RATES (SNDRV_PCM_RATE_8000_48000 |\
51			   SNDRV_PCM_RATE_88200 |\
52			   SNDRV_PCM_RATE_96000 |\
53			   SNDRV_PCM_RATE_176400 |\
54			   SNDRV_PCM_RATE_192000)
55
56#define MTK_HOSTLESS_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
57			     SNDRV_PCM_FMTBIT_S24_LE |\
58			     SNDRV_PCM_FMTBIT_S32_LE)
59
60static struct snd_soc_dai_driver mtk_dai_hostless_driver[] = {
61	{
62		.name = "Hostless LPBK DAI",
63		.id = MT8183_DAI_HOSTLESS_LPBK,
64		.playback = {
65			.stream_name = "Hostless LPBK DL",
66			.channels_min = 1,
67			.channels_max = 2,
68			.rates = MTK_HOSTLESS_RATES,
69			.formats = MTK_HOSTLESS_FORMATS,
70		},
71		.capture = {
72			.stream_name = "Hostless LPBK UL",
73			.channels_min = 1,
74			.channels_max = 2,
75			.rates = MTK_HOSTLESS_RATES,
76			.formats = MTK_HOSTLESS_FORMATS,
77		},
78		.ops = &mtk_dai_hostless_ops,
79	},
80	{
81		.name = "Hostless Speech DAI",
82		.id = MT8183_DAI_HOSTLESS_SPEECH,
83		.playback = {
84			.stream_name = "Hostless Speech DL",
85			.channels_min = 1,
86			.channels_max = 2,
87			.rates = MTK_HOSTLESS_RATES,
88			.formats = MTK_HOSTLESS_FORMATS,
89		},
90		.capture = {
91			.stream_name = "Hostless Speech UL",
92			.channels_min = 1,
93			.channels_max = 2,
94			.rates = MTK_HOSTLESS_RATES,
95			.formats = MTK_HOSTLESS_FORMATS,
96		},
97		.ops = &mtk_dai_hostless_ops,
98	},
99};
100
101int mt8183_dai_hostless_register(struct mtk_base_afe *afe)
102{
103	struct mtk_base_afe_dai *dai;
104
105	dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
106	if (!dai)
107		return -ENOMEM;
108
109	list_add(&dai->list, &afe->sub_dais);
110
111	dai->dai_drivers = mtk_dai_hostless_driver;
112	dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_hostless_driver);
113
114	dai->dapm_routes = mtk_dai_hostless_routes;
115	dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_hostless_routes);
116
117	return 0;
118}
119