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
10 static 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 */
22 static 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 */
mtk_dai_hostless_startup(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)76 static 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
95 static 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
110 static 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
mt8186_dai_hostless_register(struct mtk_base_afe * afe)281 int 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 }
299