mt8186-dai-hostless.c

  1// SPDX-License-Identifier: GPL-2.0
  2//
  3// MediaTek ALSA SoC Audio DAI Hostless Control
  4//
  5// Copyright (c) 2022 MediaTek Inc.
  6// Author: Jiaxin Yu <jiaxin.yu@mediatek.com>
  7
  8#include "mt8186-afe-common.h"
  9
 10static const struct snd_pcm_hardware mt8186_hostless_hardware = {
 11	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 12		 SNDRV_PCM_INFO_MMAP_VALID),
 13	.period_bytes_min = 256,
 14	.period_bytes_max = 4 * 48 * 1024,
 15	.periods_min = 2,
 16	.periods_max = 256,
 17	.buffer_bytes_max = 4 * 48 * 1024,
 18	.fifo_size = 0,
 19};
 20
 21/* dai component */
 22static const struct snd_soc_dapm_route mtk_dai_hostless_routes[] = {
 23	/* Hostless ADDA Loopback */
 24	{"ADDA_DL_CH1", "ADDA_UL_CH1 Switch", "Hostless LPBK DL"},
 25	{"ADDA_DL_CH1", "ADDA_UL_CH2 Switch", "Hostless LPBK DL"},
 26	{"ADDA_DL_CH2", "ADDA_UL_CH1 Switch", "Hostless LPBK DL"},
 27	{"ADDA_DL_CH2", "ADDA_UL_CH2 Switch", "Hostless LPBK DL"},
 28	{"I2S1_CH1", "ADDA_UL_CH1 Switch", "Hostless LPBK DL"},
 29	{"I2S1_CH2", "ADDA_UL_CH2 Switch", "Hostless LPBK DL"},
 30	{"I2S3_CH1", "ADDA_UL_CH1 Switch", "Hostless LPBK DL"},
 31	{"I2S3_CH1", "ADDA_UL_CH2 Switch", "Hostless LPBK DL"},
 32	{"I2S3_CH2", "ADDA_UL_CH1 Switch", "Hostless LPBK DL"},
 33	{"I2S3_CH2", "ADDA_UL_CH2 Switch", "Hostless LPBK DL"},
 34	{"Hostless LPBK UL", NULL, "ADDA_UL_Mux"},
 35
 36	/* Hostelss FM */
 37	/* connsys_i2s to hw gain 1*/
 38	{"Hostless FM UL", NULL, "Connsys I2S"},
 39
 40	{"HW_GAIN1_IN_CH1", "CONNSYS_I2S_CH1 Switch", "Hostless FM DL"},
 41	{"HW_GAIN1_IN_CH2", "CONNSYS_I2S_CH2 Switch", "Hostless FM DL"},
 42	/* hw gain to adda dl */
 43	{"Hostless FM UL", NULL, "HW Gain 1 Out"},
 44
 45	{"ADDA_DL_CH1", "GAIN1_OUT_CH1 Switch", "Hostless FM DL"},
 46	{"ADDA_DL_CH2", "GAIN1_OUT_CH2 Switch", "Hostless FM DL"},
 47	/* hw gain to i2s3 */
 48	{"I2S3_CH1", "GAIN1_OUT_CH1 Switch", "Hostless FM DL"},
 49	{"I2S3_CH2", "GAIN1_OUT_CH2 Switch", "Hostless FM DL"},
 50	/* hw gain to i2s1 */
 51	{"I2S1_CH1", "GAIN1_OUT_CH1 Switch", "Hostless FM DL"},
 52	{"I2S1_CH2", "GAIN1_OUT_CH2 Switch", "Hostless FM DL"},
 53
 54	/* Hostless_SRC */
 55	{"ADDA_DL_CH1", "SRC_1_OUT_CH1 Switch", "Hostless_SRC_1_DL"},
 56	{"ADDA_DL_CH2", "SRC_1_OUT_CH2 Switch", "Hostless_SRC_1_DL"},
 57	{"I2S1_CH1", "SRC_1_OUT_CH1 Switch", "Hostless_SRC_1_DL"},
 58	{"I2S1_CH2", "SRC_1_OUT_CH2 Switch", "Hostless_SRC_1_DL"},
 59	{"I2S3_CH1", "SRC_1_OUT_CH1 Switch", "Hostless_SRC_1_DL"},
 60	{"I2S3_CH2", "SRC_1_OUT_CH2 Switch", "Hostless_SRC_1_DL"},
 61	{"Hostless_SRC_1_UL", NULL, "HW_SRC_1_Out"},
 62
 63	/* Hostless_SRC_bargein */
 64	{"HW_SRC_1_IN_CH1", "I2S0_CH1 Switch", "Hostless_SRC_Bargein_DL"},
 65	{"HW_SRC_1_IN_CH2", "I2S0_CH2 Switch", "Hostless_SRC_Bargein_DL"},
 66	{"Hostless_SRC_Bargein_UL", NULL, "I2S0"},
 67
 68	/* Hostless AAudio */
 69	{"Hostless HW Gain AAudio In", NULL, "HW Gain 2 In"},
 70	{"Hostless SRC AAudio UL", NULL, "HW Gain 2 Out"},
 71	{"HW_SRC_2_IN_CH1", "HW_GAIN2_OUT_CH1 Switch", "Hostless SRC AAudio DL"},
 72	{"HW_SRC_2_IN_CH2", "HW_GAIN2_OUT_CH2 Switch", "Hostless SRC AAudio DL"},
 73};
 74
 75/* dai ops */
 76static int mtk_dai_hostless_startup(struct snd_pcm_substream *substream,
 77				    struct snd_soc_dai *dai)
 78{
 79	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
 80	struct snd_pcm_runtime *runtime = substream->runtime;
 81	int ret;
 82
 83	snd_soc_set_runtime_hwparams(substream, &mt8186_hostless_hardware);
 84
 85	ret = snd_pcm_hw_constraint_integer(runtime,
 86					    SNDRV_PCM_HW_PARAM_PERIODS);
 87	if (ret < 0) {
 88		dev_err(afe->dev, "snd_pcm_hw_constraint_integer failed\n");
 89		return ret;
 90	}
 91
 92	return 0;
 93}
 94
 95static const struct snd_soc_dai_ops mtk_dai_hostless_ops = {
 96	.startup = mtk_dai_hostless_startup,
 97};
 98
 99/* dai driver */
100#define MTK_HOSTLESS_RATES (SNDRV_PCM_RATE_8000_48000 |\
101			   SNDRV_PCM_RATE_88200 |\
102			   SNDRV_PCM_RATE_96000 |\
103			   SNDRV_PCM_RATE_176400 |\
104			   SNDRV_PCM_RATE_192000)
105
106#define MTK_HOSTLESS_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
107			     SNDRV_PCM_FMTBIT_S24_LE |\
108			     SNDRV_PCM_FMTBIT_S32_LE)
109
110static struct snd_soc_dai_driver mtk_dai_hostless_driver[] = {
111	{
112		.name = "Hostless LPBK DAI",
113		.id = MT8186_DAI_HOSTLESS_LPBK,
114		.playback = {
115			.stream_name = "Hostless LPBK DL",
116			.channels_min = 1,
117			.channels_max = 2,
118			.rates = MTK_HOSTLESS_RATES,
119			.formats = MTK_HOSTLESS_FORMATS,
120		},
121		.capture = {
122			.stream_name = "Hostless LPBK UL",
123			.channels_min = 1,
124			.channels_max = 2,
125			.rates = MTK_HOSTLESS_RATES,
126			.formats = MTK_HOSTLESS_FORMATS,
127		},
128		.ops = &mtk_dai_hostless_ops,
129	},
130	{
131		.name = "Hostless FM DAI",
132		.id = MT8186_DAI_HOSTLESS_FM,
133		.playback = {
134			.stream_name = "Hostless FM DL",
135			.channels_min = 1,
136			.channels_max = 2,
137			.rates = MTK_HOSTLESS_RATES,
138			.formats = MTK_HOSTLESS_FORMATS,
139		},
140		.capture = {
141			.stream_name = "Hostless FM UL",
142			.channels_min = 1,
143			.channels_max = 2,
144			.rates = MTK_HOSTLESS_RATES,
145			.formats = MTK_HOSTLESS_FORMATS,
146		},
147		.ops = &mtk_dai_hostless_ops,
148	},
149	{
150		.name = "Hostless_SRC_1_DAI",
151		.id = MT8186_DAI_HOSTLESS_SRC_1,
152		.playback = {
153			.stream_name = "Hostless_SRC_1_DL",
154			.channels_min = 1,
155			.channels_max = 2,
156			.rates = MTK_HOSTLESS_RATES,
157			.formats = MTK_HOSTLESS_FORMATS,
158		},
159		.capture = {
160			.stream_name = "Hostless_SRC_1_UL",
161			.channels_min = 1,
162			.channels_max = 2,
163			.rates = MTK_HOSTLESS_RATES,
164			.formats = MTK_HOSTLESS_FORMATS,
165		},
166		.ops = &mtk_dai_hostless_ops,
167	},
168	{
169		.name = "Hostless_SRC_Bargein_DAI",
170		.id = MT8186_DAI_HOSTLESS_SRC_BARGEIN,
171		.playback = {
172			.stream_name = "Hostless_SRC_Bargein_DL",
173			.channels_min = 1,
174			.channels_max = 2,
175			.rates = MTK_HOSTLESS_RATES,
176			.formats = MTK_HOSTLESS_FORMATS,
177		},
178		.capture = {
179			.stream_name = "Hostless_SRC_Bargein_UL",
180			.channels_min = 1,
181			.channels_max = 2,
182			.rates = MTK_HOSTLESS_RATES,
183			.formats = MTK_HOSTLESS_FORMATS,
184		},
185		.ops = &mtk_dai_hostless_ops,
186	},
187	/* BE dai */
188	{
189		.name = "Hostless_UL1 DAI",
190		.id = MT8186_DAI_HOSTLESS_UL1,
191		.capture = {
192			.stream_name = "Hostless_UL1 UL",
193			.channels_min = 1,
194			.channels_max = 4,
195			.rates = MTK_HOSTLESS_RATES,
196			.formats = MTK_HOSTLESS_FORMATS,
197		},
198		.ops = &mtk_dai_hostless_ops,
199	},
200	{
201		.name = "Hostless_UL2 DAI",
202		.id = MT8186_DAI_HOSTLESS_UL2,
203		.capture = {
204			.stream_name = "Hostless_UL2 UL",
205			.channels_min = 1,
206			.channels_max = 4,
207			.rates = MTK_HOSTLESS_RATES,
208			.formats = MTK_HOSTLESS_FORMATS,
209		},
210		.ops = &mtk_dai_hostless_ops,
211	},
212	{
213		.name = "Hostless_UL3 DAI",
214		.id = MT8186_DAI_HOSTLESS_UL3,
215		.capture = {
216			.stream_name = "Hostless_UL3 UL",
217			.channels_min = 1,
218			.channels_max = 2,
219			.rates = MTK_HOSTLESS_RATES,
220			.formats = MTK_HOSTLESS_FORMATS,
221		},
222		.ops = &mtk_dai_hostless_ops,
223	},
224	{
225		.name = "Hostless_UL5 DAI",
226		.id = MT8186_DAI_HOSTLESS_UL5,
227		.capture = {
228			.stream_name = "Hostless_UL5 UL",
229			.channels_min = 1,
230			.channels_max = 12,
231			.rates = MTK_HOSTLESS_RATES,
232			.formats = MTK_HOSTLESS_FORMATS,
233		},
234		.ops = &mtk_dai_hostless_ops,
235	},
236	{
237		.name = "Hostless_UL6 DAI",
238		.id = MT8186_DAI_HOSTLESS_UL6,
239		.capture = {
240			.stream_name = "Hostless_UL6 UL",
241			.channels_min = 1,
242			.channels_max = 2,
243			.rates = MTK_HOSTLESS_RATES,
244			.formats = MTK_HOSTLESS_FORMATS,
245		},
246		.ops = &mtk_dai_hostless_ops,
247	},
248	{
249		.name = "Hostless HW Gain AAudio DAI",
250		.id = MT8186_DAI_HOSTLESS_HW_GAIN_AAUDIO,
251		.capture = {
252			.stream_name = "Hostless HW Gain AAudio In",
253			.channels_min = 1,
254			.channels_max = 2,
255			.rates = MTK_HOSTLESS_RATES,
256			.formats = MTK_HOSTLESS_FORMATS,
257		},
258		.ops = &mtk_dai_hostless_ops,
259	},
260	{
261		.name = "Hostless SRC AAudio DAI",
262		.id = MT8186_DAI_HOSTLESS_SRC_AAUDIO,
263		.playback = {
264			.stream_name = "Hostless SRC AAudio DL",
265			.channels_min = 1,
266			.channels_max = 2,
267			.rates = MTK_HOSTLESS_RATES,
268			.formats = MTK_HOSTLESS_FORMATS,
269		},
270		.capture = {
271			.stream_name = "Hostless SRC AAudio UL",
272			.channels_min = 1,
273			.channels_max = 2,
274			.rates = MTK_HOSTLESS_RATES,
275			.formats = MTK_HOSTLESS_FORMATS,
276		},
277		.ops = &mtk_dai_hostless_ops,
278	},
279};
280
281int mt8186_dai_hostless_register(struct mtk_base_afe *afe)
282{
283	struct mtk_base_afe_dai *dai;
284
285	dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
286	if (!dai)
287		return -ENOMEM;
288
289	list_add(&dai->list, &afe->sub_dais);
290
291	dai->dai_drivers = mtk_dai_hostless_driver;
292	dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_hostless_driver);
293
294	dai->dapm_routes = mtk_dai_hostless_routes;
295	dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_hostless_routes);
296
297	return 0;
298}