1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // MediaTek ALSA SoC Audio DAI ADDA Control
4 //
5 // Copyright (c) 2018 MediaTek Inc.
6 // Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
7
8 #include <linux/regmap.h>
9 #include <linux/delay.h>
10 #include "mt6797-afe-common.h"
11 #include "mt6797-interconnection.h"
12 #include "mt6797-reg.h"
13 #include "../common/mtk-dai-adda-common.h"
14
15 /* dai component */
16 static const struct snd_kcontrol_new mtk_adda_dl_ch1_mix[] = {
17 SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN3, I_DL1_CH1, 1, 0),
18 SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN3, I_DL2_CH1, 1, 0),
19 SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN3, I_DL3_CH1, 1, 0),
20 SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN3,
21 I_ADDA_UL_CH2, 1, 0),
22 SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN3,
23 I_ADDA_UL_CH1, 1, 0),
24 SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN3,
25 I_PCM_1_CAP_CH1, 1, 0),
26 SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN3,
27 I_PCM_2_CAP_CH1, 1, 0),
28 };
29
30 static const struct snd_kcontrol_new mtk_adda_dl_ch2_mix[] = {
31 SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN4, I_DL1_CH1, 1, 0),
32 SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN4, I_DL1_CH2, 1, 0),
33 SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN4, I_DL2_CH1, 1, 0),
34 SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN4, I_DL2_CH2, 1, 0),
35 SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN4, I_DL3_CH1, 1, 0),
36 SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN4, I_DL3_CH2, 1, 0),
37 SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN4,
38 I_ADDA_UL_CH2, 1, 0),
39 SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN4,
40 I_ADDA_UL_CH1, 1, 0),
41 SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN4,
42 I_PCM_1_CAP_CH1, 1, 0),
43 SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN4,
44 I_PCM_2_CAP_CH1, 1, 0),
45 SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH2", AFE_CONN4,
46 I_PCM_1_CAP_CH2, 1, 0),
47 SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH2", AFE_CONN4,
48 I_PCM_2_CAP_CH2, 1, 0),
49 };
50
51 static int mtk_adda_ul_event(struct snd_soc_dapm_widget *w,
52 struct snd_kcontrol *kcontrol,
53 int event)
54 {
55 struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
56 struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
57
58 dev_dbg(afe->dev, "%s(), name %s, event 0x%x\n",
59 __func__, w->name, event);
60
61 switch (event) {
62 case SND_SOC_DAPM_POST_PMD:
63 /* should delayed 1/fs(smallest is 8k) = 125us before afe off */
64 usleep_range(125, 135);
65 break;
66 default:
67 break;
68 }
69
70 return 0;
71 }
72
73 enum {
74 SUPPLY_SEQ_AUD_TOP_PDN,
75 SUPPLY_SEQ_ADDA_AFE_ON,
76 SUPPLY_SEQ_ADDA_DL_ON,
77 SUPPLY_SEQ_ADDA_UL_ON,
78 };
79
80 static const struct snd_soc_dapm_widget mtk_dai_adda_widgets[] = {
81 /* adda */
82 SND_SOC_DAPM_MIXER("ADDA_DL_CH1", SND_SOC_NOPM, 0, 0,
83 mtk_adda_dl_ch1_mix,
84 ARRAY_SIZE(mtk_adda_dl_ch1_mix)),
85 SND_SOC_DAPM_MIXER("ADDA_DL_CH2", SND_SOC_NOPM, 0, 0,
86 mtk_adda_dl_ch2_mix,
87 ARRAY_SIZE(mtk_adda_dl_ch2_mix)),
88
89 SND_SOC_DAPM_SUPPLY_S("ADDA Enable", SUPPLY_SEQ_ADDA_AFE_ON,
90 AFE_ADDA_UL_DL_CON0, ADDA_AFE_ON_SFT, 0,
91 NULL, 0),
92
93 SND_SOC_DAPM_SUPPLY_S("ADDA Playback Enable", SUPPLY_SEQ_ADDA_DL_ON,
94 AFE_ADDA_DL_SRC2_CON0,
95 DL_2_SRC_ON_TMP_CTL_PRE_SFT, 0,
96 NULL, 0),
97
98 SND_SOC_DAPM_SUPPLY_S("ADDA Capture Enable", SUPPLY_SEQ_ADDA_UL_ON,
99 AFE_ADDA_UL_SRC_CON0,
100 UL_SRC_ON_TMP_CTL_SFT, 0,
101 mtk_adda_ul_event,
102 SND_SOC_DAPM_POST_PMD),
103
104 SND_SOC_DAPM_SUPPLY_S("aud_dac_clk", SUPPLY_SEQ_AUD_TOP_PDN,
105 AUDIO_TOP_CON0, PDN_DAC_SFT, 1,
106 NULL, 0),
107 SND_SOC_DAPM_SUPPLY_S("aud_dac_predis_clk", SUPPLY_SEQ_AUD_TOP_PDN,
108 AUDIO_TOP_CON0, PDN_DAC_PREDIS_SFT, 1,
109 NULL, 0),
110
111 SND_SOC_DAPM_SUPPLY_S("aud_adc_clk", SUPPLY_SEQ_AUD_TOP_PDN,
112 AUDIO_TOP_CON0, PDN_ADC_SFT, 1,
113 NULL, 0),
114
115 SND_SOC_DAPM_CLOCK_SUPPLY("mtkaif_26m_clk"),
116 };
117
118 static const struct snd_soc_dapm_route mtk_dai_adda_routes[] = {
119 /* playback */
120 {"ADDA_DL_CH1", "DL1_CH1", "DL1"},
121 {"ADDA_DL_CH2", "DL1_CH1", "DL1"},
122 {"ADDA_DL_CH2", "DL1_CH2", "DL1"},
123
124 {"ADDA_DL_CH1", "DL2_CH1", "DL2"},
125 {"ADDA_DL_CH2", "DL2_CH1", "DL2"},
126 {"ADDA_DL_CH2", "DL2_CH2", "DL2"},
127
128 {"ADDA_DL_CH1", "DL3_CH1", "DL3"},
129 {"ADDA_DL_CH2", "DL3_CH1", "DL3"},
130 {"ADDA_DL_CH2", "DL3_CH2", "DL3"},
131
132 {"ADDA Playback", NULL, "ADDA_DL_CH1"},
133 {"ADDA Playback", NULL, "ADDA_DL_CH2"},
134
135 /* adda enable */
136 {"ADDA Playback", NULL, "ADDA Enable"},
137 {"ADDA Playback", NULL, "ADDA Playback Enable"},
138 {"ADDA Capture", NULL, "ADDA Enable"},
139 {"ADDA Capture", NULL, "ADDA Capture Enable"},
140
141 /* clk */
142 {"ADDA Playback", NULL, "mtkaif_26m_clk"},
143 {"ADDA Playback", NULL, "aud_dac_clk"},
144 {"ADDA Playback", NULL, "aud_dac_predis_clk"},
145
146 {"ADDA Capture", NULL, "mtkaif_26m_clk"},
147 {"ADDA Capture", NULL, "aud_adc_clk"},
148 };
149
150 /* dai ops */
151 static int mtk_dai_adda_hw_params(struct snd_pcm_substream *substream,
152 struct snd_pcm_hw_params *params,
153 struct snd_soc_dai *dai)
154 {
155 struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
156 unsigned int rate = params_rate(params);
157
158 dev_dbg(afe->dev, "%s(), id %d, stream %d, rate %d\n",
159 __func__, dai->id, substream->stream, rate);
160
161 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
162 unsigned int dl_src2_con0 = 0;
163 unsigned int dl_src2_con1 = 0;
164
165 /* clean predistortion */
166 regmap_write(afe->regmap, AFE_ADDA_PREDIS_CON0, 0);
167 regmap_write(afe->regmap, AFE_ADDA_PREDIS_CON1, 0);
168
169 /* set input sampling rate */
170 dl_src2_con0 = mtk_adda_dl_rate_transform(afe, rate) << 28;
171
172 /* set output mode */
173 switch (rate) {
174 case 192000:
175 dl_src2_con0 |= (0x1 << 24); /* UP_SAMPLING_RATE_X2 */
176 dl_src2_con0 |= 1 << 14;
177 break;
178 case 96000:
179 dl_src2_con0 |= (0x2 << 24); /* UP_SAMPLING_RATE_X4 */
180 dl_src2_con0 |= 1 << 14;
181 break;
182 default:
183 dl_src2_con0 |= (0x3 << 24); /* UP_SAMPLING_RATE_X8 */
184 break;
185 }
186
187 /* turn off mute function */
188 dl_src2_con0 |= (0x03 << 11);
189
190 /* set voice input data if input sample rate is 8k or 16k */
191 if (rate == 8000 || rate == 16000)
192 dl_src2_con0 |= 0x01 << 5;
193
194 if (rate < 96000) {
195 /* SA suggest apply -0.3db to audio/speech path */
196 dl_src2_con1 = 0xf74f0000;
197 } else {
198 /* SA suggest apply -0.3db to audio/speech path
199 * with DL gain set to half,
200 * 0xFFFF = 0dB -> 0x8000 = 0dB when 96k, 192k
201 */
202 dl_src2_con1 = 0x7ba70000;
203 }
204
205 /* turn on down-link gain */
206 dl_src2_con0 = dl_src2_con0 | (0x01 << 1);
207
208 regmap_write(afe->regmap, AFE_ADDA_DL_SRC2_CON0, dl_src2_con0);
209 regmap_write(afe->regmap, AFE_ADDA_DL_SRC2_CON1, dl_src2_con1);
210 } else {
211 unsigned int voice_mode = 0;
212 unsigned int ul_src_con0 = 0; /* default value */
213
214 /* Using Internal ADC */
215 regmap_update_bits(afe->regmap,
216 AFE_ADDA_TOP_CON0,
217 0x1 << 0,
218 0x0 << 0);
219
220 voice_mode = mtk_adda_ul_rate_transform(afe, rate);
221
222 ul_src_con0 |= (voice_mode << 17) & (0x7 << 17);
223
224 /* up8x txif sat on */
225 regmap_write(afe->regmap, AFE_ADDA_NEWIF_CFG0, 0x03F87201);
226
227 if (rate >= 96000) { /* hires */
228 /* use hires format [1 0 23] */
229 regmap_update_bits(afe->regmap,
230 AFE_ADDA_NEWIF_CFG0,
231 0x1 << 5,
232 0x1 << 5);
233
234 regmap_update_bits(afe->regmap,
235 AFE_ADDA_NEWIF_CFG2,
236 0xf << 28,
237 voice_mode << 28);
238 } else { /* normal 8~48k */
239 /* use fixed 260k anc path */
240 regmap_update_bits(afe->regmap,
241 AFE_ADDA_NEWIF_CFG2,
242 0xf << 28,
243 8 << 28);
244
245 /* ul_use_cic_out */
246 ul_src_con0 |= 0x1 << 20;
247 }
248
249 regmap_update_bits(afe->regmap,
250 AFE_ADDA_NEWIF_CFG2,
251 0xf << 28,
252 8 << 28);
253
254 regmap_update_bits(afe->regmap,
255 AFE_ADDA_UL_SRC_CON0,
256 0xfffffffe,
257 ul_src_con0);
258 }
259
260 return 0;
261 }
262
263 static const struct snd_soc_dai_ops mtk_dai_adda_ops = {
264 .hw_params = mtk_dai_adda_hw_params,
265 };
266
267 /* dai driver */
268 #define MTK_ADDA_PLAYBACK_RATES (SNDRV_PCM_RATE_8000_48000 |\
269 SNDRV_PCM_RATE_96000 |\
270 SNDRV_PCM_RATE_192000)
271
272 #define MTK_ADDA_CAPTURE_RATES (SNDRV_PCM_RATE_8000 |\
273 SNDRV_PCM_RATE_16000 |\
274 SNDRV_PCM_RATE_32000 |\
275 SNDRV_PCM_RATE_48000 |\
276 SNDRV_PCM_RATE_96000 |\
277 SNDRV_PCM_RATE_192000)
278
279 #define MTK_ADDA_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
280 SNDRV_PCM_FMTBIT_S24_LE |\
281 SNDRV_PCM_FMTBIT_S32_LE)
282
283 static struct snd_soc_dai_driver mtk_dai_adda_driver[] = {
284 {
285 .name = "ADDA",
286 .id = MT6797_DAI_ADDA,
287 .playback = {
288 .stream_name = "ADDA Playback",
289 .channels_min = 1,
290 .channels_max = 2,
291 .rates = MTK_ADDA_PLAYBACK_RATES,
292 .formats = MTK_ADDA_FORMATS,
293 },
294 .capture = {
295 .stream_name = "ADDA Capture",
296 .channels_min = 1,
297 .channels_max = 2,
298 .rates = MTK_ADDA_CAPTURE_RATES,
299 .formats = MTK_ADDA_FORMATS,
300 },
301 .ops = &mtk_dai_adda_ops,
302 },
303 };
304
305 int mt6797_dai_adda_register(struct mtk_base_afe *afe)
306 {
307 struct mtk_base_afe_dai *dai;
308
309 dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
310 if (!dai)
311 return -ENOMEM;
312
313 list_add(&dai->list, &afe->sub_dais);
314
315 dai->dai_drivers = mtk_dai_adda_driver;
316 dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_adda_driver);
317
318 dai->dapm_widgets = mtk_dai_adda_widgets;
319 dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_adda_widgets);
320 dai->dapm_routes = mtk_dai_adda_routes;
321 dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_adda_routes);
322 return 0;
323 }
324
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