1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Mediatek ALSA SoC AFE platform driver for 2701
4 *
5 * Copyright (c) 2016 MediaTek Inc.
6 * Author: Garlic Tseng <garlic.tseng@mediatek.com>
7 * Ir Lian <ir.lian@mediatek.com>
8 * Ryder Lee <ryder.lee@mediatek.com>
9 */
10
11 #include <linux/delay.h>
12 #include <linux/module.h>
13 #include <linux/mfd/syscon.h>
14 #include <linux/of.h>
15 #include <linux/pm_runtime.h>
16
17 #include "mt2701-afe-common.h"
18 #include "mt2701-afe-clock-ctrl.h"
19 #include "../common/mtk-afe-platform-driver.h"
20 #include "../common/mtk-afe-fe-dai.h"
21
22 static const struct snd_pcm_hardware mt2701_afe_hardware = {
23 .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED
24 | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID,
25 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE
26 | SNDRV_PCM_FMTBIT_S32_LE,
27 .period_bytes_min = 1024,
28 .period_bytes_max = 1024 * 256,
29 .periods_min = 4,
30 .periods_max = 1024,
31 .buffer_bytes_max = 1024 * 1024,
32 .fifo_size = 0,
33 };
34
35 struct mt2701_afe_rate {
36 unsigned int rate;
37 unsigned int regvalue;
38 };
39
40 static const struct mt2701_afe_rate mt2701_afe_i2s_rates[] = {
41 { .rate = 8000, .regvalue = 0 },
42 { .rate = 12000, .regvalue = 1 },
43 { .rate = 16000, .regvalue = 2 },
44 { .rate = 24000, .regvalue = 3 },
45 { .rate = 32000, .regvalue = 4 },
46 { .rate = 48000, .regvalue = 5 },
47 { .rate = 96000, .regvalue = 6 },
48 { .rate = 192000, .regvalue = 7 },
49 { .rate = 384000, .regvalue = 8 },
50 { .rate = 7350, .regvalue = 16 },
51 { .rate = 11025, .regvalue = 17 },
52 { .rate = 14700, .regvalue = 18 },
53 { .rate = 22050, .regvalue = 19 },
54 { .rate = 29400, .regvalue = 20 },
55 { .rate = 44100, .regvalue = 21 },
56 { .rate = 88200, .regvalue = 22 },
57 { .rate = 176400, .regvalue = 23 },
58 { .rate = 352800, .regvalue = 24 },
59 };
60
61 static const unsigned int mt2701_afe_backup_list[] = {
62 AUDIO_TOP_CON0,
63 AUDIO_TOP_CON4,
64 AUDIO_TOP_CON5,
65 ASYS_TOP_CON,
66 AFE_CONN0,
67 AFE_CONN1,
68 AFE_CONN2,
69 AFE_CONN3,
70 AFE_CONN15,
71 AFE_CONN16,
72 AFE_CONN17,
73 AFE_CONN18,
74 AFE_CONN19,
75 AFE_CONN20,
76 AFE_CONN21,
77 AFE_CONN22,
78 AFE_DAC_CON0,
79 AFE_MEMIF_PBUF_SIZE,
80 };
81
mt2701_dai_num_to_i2s(struct mtk_base_afe * afe,int num)82 static int mt2701_dai_num_to_i2s(struct mtk_base_afe *afe, int num)
83 {
84 struct mt2701_afe_private *afe_priv = afe->platform_priv;
85 int val = num - MT2701_IO_I2S;
86
87 if (val < 0 || val >= afe_priv->soc->i2s_num) {
88 dev_err(afe->dev, "%s, num not available, num %d, val %d\n",
89 __func__, num, val);
90 return -EINVAL;
91 }
92 return val;
93 }
94
mt2701_afe_i2s_fs(unsigned int sample_rate)95 static int mt2701_afe_i2s_fs(unsigned int sample_rate)
96 {
97 int i;
98
99 for (i = 0; i < ARRAY_SIZE(mt2701_afe_i2s_rates); i++)
100 if (mt2701_afe_i2s_rates[i].rate == sample_rate)
101 return mt2701_afe_i2s_rates[i].regvalue;
102
103 return -EINVAL;
104 }
105
mt2701_afe_i2s_startup(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)106 static int mt2701_afe_i2s_startup(struct snd_pcm_substream *substream,
107 struct snd_soc_dai *dai)
108 {
109 struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
110 struct mt2701_afe_private *afe_priv = afe->platform_priv;
111 int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
112 bool mode = afe_priv->soc->has_one_heart_mode;
113
114 if (i2s_num < 0)
115 return i2s_num;
116
117 return mt2701_afe_enable_mclk(afe, mode ? 1 : i2s_num);
118 }
119
mt2701_afe_i2s_path_disable(struct mtk_base_afe * afe,struct mt2701_i2s_path * i2s_path,int stream_dir)120 static int mt2701_afe_i2s_path_disable(struct mtk_base_afe *afe,
121 struct mt2701_i2s_path *i2s_path,
122 int stream_dir)
123 {
124 const struct mt2701_i2s_data *i2s_data = i2s_path->i2s_data[stream_dir];
125
126 if (--i2s_path->on[stream_dir] < 0)
127 i2s_path->on[stream_dir] = 0;
128
129 if (i2s_path->on[stream_dir])
130 return 0;
131
132 /* disable i2s */
133 regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg,
134 ASYS_I2S_CON_I2S_EN, 0);
135
136 mt2701_afe_disable_i2s(afe, i2s_path, stream_dir);
137
138 return 0;
139 }
140
mt2701_afe_i2s_shutdown(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)141 static void mt2701_afe_i2s_shutdown(struct snd_pcm_substream *substream,
142 struct snd_soc_dai *dai)
143 {
144 struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
145 struct mt2701_afe_private *afe_priv = afe->platform_priv;
146 int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
147 struct mt2701_i2s_path *i2s_path;
148 bool mode = afe_priv->soc->has_one_heart_mode;
149
150 if (i2s_num < 0)
151 return;
152
153 i2s_path = &afe_priv->i2s_path[i2s_num];
154
155 if (i2s_path->occupied[substream->stream])
156 i2s_path->occupied[substream->stream] = 0;
157 else
158 goto exit;
159
160 mt2701_afe_i2s_path_disable(afe, i2s_path, substream->stream);
161
162 /* need to disable i2s-out path when disable i2s-in */
163 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
164 mt2701_afe_i2s_path_disable(afe, i2s_path, !substream->stream);
165
166 exit:
167 /* disable mclk */
168 mt2701_afe_disable_mclk(afe, mode ? 1 : i2s_num);
169 }
170
mt2701_i2s_path_enable(struct mtk_base_afe * afe,struct mt2701_i2s_path * i2s_path,int stream_dir,int rate)171 static int mt2701_i2s_path_enable(struct mtk_base_afe *afe,
172 struct mt2701_i2s_path *i2s_path,
173 int stream_dir, int rate)
174 {
175 const struct mt2701_i2s_data *i2s_data = i2s_path->i2s_data[stream_dir];
176 struct mt2701_afe_private *afe_priv = afe->platform_priv;
177 int reg, fs, w_len = 1; /* now we support bck 64bits only */
178 unsigned int mask, val;
179
180 /* no need to enable if already done */
181 if (++i2s_path->on[stream_dir] != 1)
182 return 0;
183
184 fs = mt2701_afe_i2s_fs(rate);
185
186 mask = ASYS_I2S_CON_FS |
187 ASYS_I2S_CON_I2S_COUPLE_MODE | /* 0 */
188 ASYS_I2S_CON_I2S_MODE |
189 ASYS_I2S_CON_WIDE_MODE;
190
191 val = ASYS_I2S_CON_FS_SET(fs) |
192 ASYS_I2S_CON_I2S_MODE |
193 ASYS_I2S_CON_WIDE_MODE_SET(w_len);
194
195 if (stream_dir == SNDRV_PCM_STREAM_CAPTURE) {
196 mask |= ASYS_I2S_IN_PHASE_FIX;
197 val |= ASYS_I2S_IN_PHASE_FIX;
198 reg = ASMI_TIMING_CON1;
199 } else {
200 if (afe_priv->soc->has_one_heart_mode) {
201 mask |= ASYS_I2S_CON_ONE_HEART_MODE;
202 val |= ASYS_I2S_CON_ONE_HEART_MODE;
203 }
204 reg = ASMO_TIMING_CON1;
205 }
206
207 regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg, mask, val);
208
209 regmap_update_bits(afe->regmap, reg,
210 i2s_data->i2s_asrc_fs_mask
211 << i2s_data->i2s_asrc_fs_shift,
212 fs << i2s_data->i2s_asrc_fs_shift);
213
214 /* enable i2s */
215 mt2701_afe_enable_i2s(afe, i2s_path, stream_dir);
216
217 /* reset i2s hw status before enable */
218 regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg,
219 ASYS_I2S_CON_RESET, ASYS_I2S_CON_RESET);
220 udelay(1);
221 regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg,
222 ASYS_I2S_CON_RESET, 0);
223 udelay(1);
224 regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg,
225 ASYS_I2S_CON_I2S_EN, ASYS_I2S_CON_I2S_EN);
226 return 0;
227 }
228
mt2701_afe_i2s_prepare(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)229 static int mt2701_afe_i2s_prepare(struct snd_pcm_substream *substream,
230 struct snd_soc_dai *dai)
231 {
232 struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
233 struct mt2701_afe_private *afe_priv = afe->platform_priv;
234 int ret, i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
235 struct mt2701_i2s_path *i2s_path;
236 bool mode = afe_priv->soc->has_one_heart_mode;
237
238 if (i2s_num < 0)
239 return i2s_num;
240
241 i2s_path = &afe_priv->i2s_path[i2s_num];
242
243 if (i2s_path->occupied[substream->stream])
244 return -EBUSY;
245
246 ret = mt2701_mclk_configuration(afe, mode ? 1 : i2s_num);
247 if (ret)
248 return ret;
249
250 i2s_path->occupied[substream->stream] = 1;
251
252 /* need to enable i2s-out path when enable i2s-in */
253 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
254 mt2701_i2s_path_enable(afe, i2s_path, !substream->stream,
255 substream->runtime->rate);
256
257 mt2701_i2s_path_enable(afe, i2s_path, substream->stream,
258 substream->runtime->rate);
259
260 return 0;
261 }
262
mt2701_afe_i2s_set_sysclk(struct snd_soc_dai * dai,int clk_id,unsigned int freq,int dir)263 static int mt2701_afe_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id,
264 unsigned int freq, int dir)
265 {
266 struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
267 struct mt2701_afe_private *afe_priv = afe->platform_priv;
268 int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
269 bool mode = afe_priv->soc->has_one_heart_mode;
270
271 if (i2s_num < 0)
272 return i2s_num;
273
274 /* mclk */
275 if (dir == SND_SOC_CLOCK_IN) {
276 dev_warn(dai->dev, "The SoCs doesn't support mclk input\n");
277 return -EINVAL;
278 }
279
280 afe_priv->i2s_path[mode ? 1 : i2s_num].mclk_rate = freq;
281
282 return 0;
283 }
284
mt2701_btmrg_startup(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)285 static int mt2701_btmrg_startup(struct snd_pcm_substream *substream,
286 struct snd_soc_dai *dai)
287 {
288 struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
289 struct mt2701_afe_private *afe_priv = afe->platform_priv;
290 int ret;
291
292 ret = mt2701_enable_btmrg_clk(afe);
293 if (ret)
294 return ret;
295
296 afe_priv->mrg_enable[substream->stream] = 1;
297
298 return 0;
299 }
300
mt2701_btmrg_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)301 static int mt2701_btmrg_hw_params(struct snd_pcm_substream *substream,
302 struct snd_pcm_hw_params *params,
303 struct snd_soc_dai *dai)
304 {
305 struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
306 int stream_fs;
307 u32 val, msk;
308
309 stream_fs = params_rate(params);
310
311 if (stream_fs != 8000 && stream_fs != 16000) {
312 dev_err(afe->dev, "unsupported rate %d\n", stream_fs);
313 return -EINVAL;
314 }
315
316 regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
317 AFE_MRGIF_CON_I2S_MODE_MASK,
318 AFE_MRGIF_CON_I2S_MODE_32K);
319
320 val = AFE_DAIBT_CON0_BT_FUNC_EN | AFE_DAIBT_CON0_BT_FUNC_RDY
321 | AFE_DAIBT_CON0_MRG_USE;
322 msk = val;
323
324 if (stream_fs == 16000)
325 val |= AFE_DAIBT_CON0_BT_WIDE_MODE_EN;
326
327 msk |= AFE_DAIBT_CON0_BT_WIDE_MODE_EN;
328
329 regmap_update_bits(afe->regmap, AFE_DAIBT_CON0, msk, val);
330
331 regmap_update_bits(afe->regmap, AFE_DAIBT_CON0,
332 AFE_DAIBT_CON0_DAIBT_EN,
333 AFE_DAIBT_CON0_DAIBT_EN);
334 regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
335 AFE_MRGIF_CON_MRG_I2S_EN,
336 AFE_MRGIF_CON_MRG_I2S_EN);
337 regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
338 AFE_MRGIF_CON_MRG_EN,
339 AFE_MRGIF_CON_MRG_EN);
340 return 0;
341 }
342
mt2701_btmrg_shutdown(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)343 static void mt2701_btmrg_shutdown(struct snd_pcm_substream *substream,
344 struct snd_soc_dai *dai)
345 {
346 struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
347 struct mt2701_afe_private *afe_priv = afe->platform_priv;
348
349 /* if the other direction stream is not occupied */
350 if (!afe_priv->mrg_enable[!substream->stream]) {
351 regmap_update_bits(afe->regmap, AFE_DAIBT_CON0,
352 AFE_DAIBT_CON0_DAIBT_EN, 0);
353 regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
354 AFE_MRGIF_CON_MRG_EN, 0);
355 regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
356 AFE_MRGIF_CON_MRG_I2S_EN, 0);
357 mt2701_disable_btmrg_clk(afe);
358 }
359
360 afe_priv->mrg_enable[substream->stream] = 0;
361 }
362
mt2701_simple_fe_startup(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)363 static int mt2701_simple_fe_startup(struct snd_pcm_substream *substream,
364 struct snd_soc_dai *dai)
365 {
366 struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
367 struct mtk_base_afe_memif *memif_tmp;
368 int stream_dir = substream->stream;
369
370 /* can't run single DL & DLM at the same time */
371 if (stream_dir == SNDRV_PCM_STREAM_PLAYBACK) {
372 memif_tmp = &afe->memif[MT2701_MEMIF_DLM];
373 if (memif_tmp->substream) {
374 dev_warn(afe->dev, "memif is not available");
375 return -EBUSY;
376 }
377 }
378
379 return mtk_afe_fe_startup(substream, dai);
380 }
381
mt2701_simple_fe_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)382 static int mt2701_simple_fe_hw_params(struct snd_pcm_substream *substream,
383 struct snd_pcm_hw_params *params,
384 struct snd_soc_dai *dai)
385 {
386 struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
387 int stream_dir = substream->stream;
388
389 /* single DL use PAIR_INTERLEAVE */
390 if (stream_dir == SNDRV_PCM_STREAM_PLAYBACK)
391 regmap_update_bits(afe->regmap,
392 AFE_MEMIF_PBUF_SIZE,
393 AFE_MEMIF_PBUF_SIZE_DLM_MASK,
394 AFE_MEMIF_PBUF_SIZE_PAIR_INTERLEAVE);
395
396 return mtk_afe_fe_hw_params(substream, params, dai);
397 }
398
mt2701_dlm_fe_startup(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)399 static int mt2701_dlm_fe_startup(struct snd_pcm_substream *substream,
400 struct snd_soc_dai *dai)
401 {
402 struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
403 struct mtk_base_afe_memif *memif_tmp;
404 const struct mtk_base_memif_data *memif_data;
405 int i;
406
407 for (i = MT2701_MEMIF_DL1; i < MT2701_MEMIF_DL_SINGLE_NUM; ++i) {
408 memif_tmp = &afe->memif[i];
409 if (memif_tmp->substream)
410 return -EBUSY;
411 }
412
413 /* enable agent for all signal DL (due to hw design) */
414 for (i = MT2701_MEMIF_DL1; i < MT2701_MEMIF_DL_SINGLE_NUM; ++i) {
415 memif_data = afe->memif[i].data;
416 regmap_update_bits(afe->regmap,
417 memif_data->agent_disable_reg,
418 1 << memif_data->agent_disable_shift,
419 0 << memif_data->agent_disable_shift);
420 }
421
422 return mtk_afe_fe_startup(substream, dai);
423 }
424
mt2701_dlm_fe_shutdown(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)425 static void mt2701_dlm_fe_shutdown(struct snd_pcm_substream *substream,
426 struct snd_soc_dai *dai)
427 {
428 struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
429 const struct mtk_base_memif_data *memif_data;
430 int i;
431
432 for (i = MT2701_MEMIF_DL1; i < MT2701_MEMIF_DL_SINGLE_NUM; ++i) {
433 memif_data = afe->memif[i].data;
434 regmap_update_bits(afe->regmap,
435 memif_data->agent_disable_reg,
436 1 << memif_data->agent_disable_shift,
437 1 << memif_data->agent_disable_shift);
438 }
439
440 return mtk_afe_fe_shutdown(substream, dai);
441 }
442
mt2701_dlm_fe_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)443 static int mt2701_dlm_fe_hw_params(struct snd_pcm_substream *substream,
444 struct snd_pcm_hw_params *params,
445 struct snd_soc_dai *dai)
446 {
447 struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
448 int channels = params_channels(params);
449
450 regmap_update_bits(afe->regmap,
451 AFE_MEMIF_PBUF_SIZE,
452 AFE_MEMIF_PBUF_SIZE_DLM_MASK,
453 AFE_MEMIF_PBUF_SIZE_FULL_INTERLEAVE);
454 regmap_update_bits(afe->regmap,
455 AFE_MEMIF_PBUF_SIZE,
456 AFE_MEMIF_PBUF_SIZE_DLM_BYTE_MASK,
457 AFE_MEMIF_PBUF_SIZE_DLM_32BYTES);
458 regmap_update_bits(afe->regmap,
459 AFE_MEMIF_PBUF_SIZE,
460 AFE_MEMIF_PBUF_SIZE_DLM_CH_MASK,
461 AFE_MEMIF_PBUF_SIZE_DLM_CH(channels));
462
463 return mtk_afe_fe_hw_params(substream, params, dai);
464 }
465
mt2701_dlm_fe_trigger(struct snd_pcm_substream * substream,int cmd,struct snd_soc_dai * dai)466 static int mt2701_dlm_fe_trigger(struct snd_pcm_substream *substream,
467 int cmd, struct snd_soc_dai *dai)
468 {
469 struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
470 struct mtk_base_afe_memif *memif_tmp = &afe->memif[MT2701_MEMIF_DL1];
471
472 switch (cmd) {
473 case SNDRV_PCM_TRIGGER_START:
474 case SNDRV_PCM_TRIGGER_RESUME:
475 regmap_update_bits(afe->regmap, memif_tmp->data->enable_reg,
476 1 << memif_tmp->data->enable_shift,
477 1 << memif_tmp->data->enable_shift);
478 mtk_afe_fe_trigger(substream, cmd, dai);
479 return 0;
480 case SNDRV_PCM_TRIGGER_STOP:
481 case SNDRV_PCM_TRIGGER_SUSPEND:
482 mtk_afe_fe_trigger(substream, cmd, dai);
483 regmap_update_bits(afe->regmap, memif_tmp->data->enable_reg,
484 1 << memif_tmp->data->enable_shift, 0);
485
486 return 0;
487 default:
488 return -EINVAL;
489 }
490 }
491
mt2701_memif_fs(struct snd_pcm_substream * substream,unsigned int rate)492 static int mt2701_memif_fs(struct snd_pcm_substream *substream,
493 unsigned int rate)
494 {
495 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
496 int fs;
497
498 if (snd_soc_rtd_to_cpu(rtd, 0)->id != MT2701_MEMIF_ULBT)
499 fs = mt2701_afe_i2s_fs(rate);
500 else
501 fs = (rate == 16000 ? 1 : 0);
502
503 return fs;
504 }
505
mt2701_irq_fs(struct snd_pcm_substream * substream,unsigned int rate)506 static int mt2701_irq_fs(struct snd_pcm_substream *substream, unsigned int rate)
507 {
508 return mt2701_afe_i2s_fs(rate);
509 }
510
511 /* FE DAIs */
512 static const struct snd_soc_dai_ops mt2701_single_memif_dai_ops = {
513 .startup = mt2701_simple_fe_startup,
514 .shutdown = mtk_afe_fe_shutdown,
515 .hw_params = mt2701_simple_fe_hw_params,
516 .hw_free = mtk_afe_fe_hw_free,
517 .prepare = mtk_afe_fe_prepare,
518 .trigger = mtk_afe_fe_trigger,
519 };
520
521 static const struct snd_soc_dai_ops mt2701_dlm_memif_dai_ops = {
522 .startup = mt2701_dlm_fe_startup,
523 .shutdown = mt2701_dlm_fe_shutdown,
524 .hw_params = mt2701_dlm_fe_hw_params,
525 .hw_free = mtk_afe_fe_hw_free,
526 .prepare = mtk_afe_fe_prepare,
527 .trigger = mt2701_dlm_fe_trigger,
528 };
529
530 /* I2S BE DAIs */
531 static const struct snd_soc_dai_ops mt2701_afe_i2s_ops = {
532 .startup = mt2701_afe_i2s_startup,
533 .shutdown = mt2701_afe_i2s_shutdown,
534 .prepare = mt2701_afe_i2s_prepare,
535 .set_sysclk = mt2701_afe_i2s_set_sysclk,
536 };
537
538 /* MRG BE DAIs */
539 static const struct snd_soc_dai_ops mt2701_btmrg_ops = {
540 .startup = mt2701_btmrg_startup,
541 .shutdown = mt2701_btmrg_shutdown,
542 .hw_params = mt2701_btmrg_hw_params,
543 };
544
545 static struct snd_soc_dai_driver mt2701_afe_pcm_dais[] = {
546 /* FE DAIs: memory intefaces to CPU */
547 {
548 .name = "PCMO0",
549 .id = MT2701_MEMIF_DL1,
550 .playback = {
551 .stream_name = "DL1",
552 .channels_min = 1,
553 .channels_max = 2,
554 .rates = SNDRV_PCM_RATE_8000_192000,
555 .formats = (SNDRV_PCM_FMTBIT_S16_LE
556 | SNDRV_PCM_FMTBIT_S24_LE
557 | SNDRV_PCM_FMTBIT_S32_LE)
558 },
559 .ops = &mt2701_single_memif_dai_ops,
560 },
561 {
562 .name = "PCM_multi",
563 .id = MT2701_MEMIF_DLM,
564 .playback = {
565 .stream_name = "DLM",
566 .channels_min = 1,
567 .channels_max = 8,
568 .rates = SNDRV_PCM_RATE_8000_192000,
569 .formats = (SNDRV_PCM_FMTBIT_S16_LE
570 | SNDRV_PCM_FMTBIT_S24_LE
571 | SNDRV_PCM_FMTBIT_S32_LE)
572
573 },
574 .ops = &mt2701_dlm_memif_dai_ops,
575 },
576 {
577 .name = "PCM0",
578 .id = MT2701_MEMIF_UL1,
579 .capture = {
580 .stream_name = "UL1",
581 .channels_min = 1,
582 .channels_max = 2,
583 .rates = SNDRV_PCM_RATE_8000_48000,
584 .formats = (SNDRV_PCM_FMTBIT_S16_LE
585 | SNDRV_PCM_FMTBIT_S24_LE
586 | SNDRV_PCM_FMTBIT_S32_LE)
587 },
588 .ops = &mt2701_single_memif_dai_ops,
589 },
590 {
591 .name = "PCM1",
592 .id = MT2701_MEMIF_UL2,
593 .capture = {
594 .stream_name = "UL2",
595 .channels_min = 1,
596 .channels_max = 2,
597 .rates = SNDRV_PCM_RATE_8000_192000,
598 .formats = (SNDRV_PCM_FMTBIT_S16_LE
599 | SNDRV_PCM_FMTBIT_S24_LE
600 | SNDRV_PCM_FMTBIT_S32_LE)
601
602 },
603 .ops = &mt2701_single_memif_dai_ops,
604 },
605 {
606 .name = "PCM_BT_DL",
607 .id = MT2701_MEMIF_DLBT,
608 .playback = {
609 .stream_name = "DLBT",
610 .channels_min = 1,
611 .channels_max = 1,
612 .rates = (SNDRV_PCM_RATE_8000
613 | SNDRV_PCM_RATE_16000),
614 .formats = SNDRV_PCM_FMTBIT_S16_LE,
615 },
616 .ops = &mt2701_single_memif_dai_ops,
617 },
618 {
619 .name = "PCM_BT_UL",
620 .id = MT2701_MEMIF_ULBT,
621 .capture = {
622 .stream_name = "ULBT",
623 .channels_min = 1,
624 .channels_max = 1,
625 .rates = (SNDRV_PCM_RATE_8000
626 | SNDRV_PCM_RATE_16000),
627 .formats = SNDRV_PCM_FMTBIT_S16_LE,
628 },
629 .ops = &mt2701_single_memif_dai_ops,
630 },
631 /* BE DAIs */
632 {
633 .name = "I2S0",
634 .id = MT2701_IO_I2S,
635 .playback = {
636 .stream_name = "I2S0 Playback",
637 .channels_min = 1,
638 .channels_max = 2,
639 .rates = SNDRV_PCM_RATE_8000_192000,
640 .formats = (SNDRV_PCM_FMTBIT_S16_LE
641 | SNDRV_PCM_FMTBIT_S24_LE
642 | SNDRV_PCM_FMTBIT_S32_LE)
643
644 },
645 .capture = {
646 .stream_name = "I2S0 Capture",
647 .channels_min = 1,
648 .channels_max = 2,
649 .rates = SNDRV_PCM_RATE_8000_192000,
650 .formats = (SNDRV_PCM_FMTBIT_S16_LE
651 | SNDRV_PCM_FMTBIT_S24_LE
652 | SNDRV_PCM_FMTBIT_S32_LE)
653
654 },
655 .ops = &mt2701_afe_i2s_ops,
656 .symmetric_rate = 1,
657 },
658 {
659 .name = "I2S1",
660 .id = MT2701_IO_2ND_I2S,
661 .playback = {
662 .stream_name = "I2S1 Playback",
663 .channels_min = 1,
664 .channels_max = 2,
665 .rates = SNDRV_PCM_RATE_8000_192000,
666 .formats = (SNDRV_PCM_FMTBIT_S16_LE
667 | SNDRV_PCM_FMTBIT_S24_LE
668 | SNDRV_PCM_FMTBIT_S32_LE)
669 },
670 .capture = {
671 .stream_name = "I2S1 Capture",
672 .channels_min = 1,
673 .channels_max = 2,
674 .rates = SNDRV_PCM_RATE_8000_192000,
675 .formats = (SNDRV_PCM_FMTBIT_S16_LE
676 | SNDRV_PCM_FMTBIT_S24_LE
677 | SNDRV_PCM_FMTBIT_S32_LE)
678 },
679 .ops = &mt2701_afe_i2s_ops,
680 .symmetric_rate = 1,
681 },
682 {
683 .name = "I2S2",
684 .id = MT2701_IO_3RD_I2S,
685 .playback = {
686 .stream_name = "I2S2 Playback",
687 .channels_min = 1,
688 .channels_max = 2,
689 .rates = SNDRV_PCM_RATE_8000_192000,
690 .formats = (SNDRV_PCM_FMTBIT_S16_LE
691 | SNDRV_PCM_FMTBIT_S24_LE
692 | SNDRV_PCM_FMTBIT_S32_LE)
693 },
694 .capture = {
695 .stream_name = "I2S2 Capture",
696 .channels_min = 1,
697 .channels_max = 2,
698 .rates = SNDRV_PCM_RATE_8000_192000,
699 .formats = (SNDRV_PCM_FMTBIT_S16_LE
700 | SNDRV_PCM_FMTBIT_S24_LE
701 | SNDRV_PCM_FMTBIT_S32_LE)
702 },
703 .ops = &mt2701_afe_i2s_ops,
704 .symmetric_rate = 1,
705 },
706 {
707 .name = "I2S3",
708 .id = MT2701_IO_4TH_I2S,
709 .playback = {
710 .stream_name = "I2S3 Playback",
711 .channels_min = 1,
712 .channels_max = 2,
713 .rates = SNDRV_PCM_RATE_8000_192000,
714 .formats = (SNDRV_PCM_FMTBIT_S16_LE
715 | SNDRV_PCM_FMTBIT_S24_LE
716 | SNDRV_PCM_FMTBIT_S32_LE)
717 },
718 .capture = {
719 .stream_name = "I2S3 Capture",
720 .channels_min = 1,
721 .channels_max = 2,
722 .rates = SNDRV_PCM_RATE_8000_192000,
723 .formats = (SNDRV_PCM_FMTBIT_S16_LE
724 | SNDRV_PCM_FMTBIT_S24_LE
725 | SNDRV_PCM_FMTBIT_S32_LE)
726 },
727 .ops = &mt2701_afe_i2s_ops,
728 .symmetric_rate = 1,
729 },
730 {
731 .name = "MRG BT",
732 .id = MT2701_IO_MRG,
733 .playback = {
734 .stream_name = "BT Playback",
735 .channels_min = 1,
736 .channels_max = 1,
737 .rates = (SNDRV_PCM_RATE_8000
738 | SNDRV_PCM_RATE_16000),
739 .formats = SNDRV_PCM_FMTBIT_S16_LE,
740 },
741 .capture = {
742 .stream_name = "BT Capture",
743 .channels_min = 1,
744 .channels_max = 1,
745 .rates = (SNDRV_PCM_RATE_8000
746 | SNDRV_PCM_RATE_16000),
747 .formats = SNDRV_PCM_FMTBIT_S16_LE,
748 },
749 .ops = &mt2701_btmrg_ops,
750 .symmetric_rate = 1,
751 }
752 };
753
754 static const struct snd_kcontrol_new mt2701_afe_o00_mix[] = {
755 SOC_DAPM_SINGLE_AUTODISABLE("I00 Switch", AFE_CONN0, 0, 1, 0),
756 };
757
758 static const struct snd_kcontrol_new mt2701_afe_o01_mix[] = {
759 SOC_DAPM_SINGLE_AUTODISABLE("I01 Switch", AFE_CONN1, 1, 1, 0),
760 };
761
762 static const struct snd_kcontrol_new mt2701_afe_o02_mix[] = {
763 SOC_DAPM_SINGLE_AUTODISABLE("I02 Switch", AFE_CONN2, 2, 1, 0),
764 };
765
766 static const struct snd_kcontrol_new mt2701_afe_o03_mix[] = {
767 SOC_DAPM_SINGLE_AUTODISABLE("I03 Switch", AFE_CONN3, 3, 1, 0),
768 };
769
770 static const struct snd_kcontrol_new mt2701_afe_o14_mix[] = {
771 SOC_DAPM_SINGLE_AUTODISABLE("I26 Switch", AFE_CONN14, 26, 1, 0),
772 };
773
774 static const struct snd_kcontrol_new mt2701_afe_o15_mix[] = {
775 SOC_DAPM_SINGLE_AUTODISABLE("I12 Switch", AFE_CONN15, 12, 1, 0),
776 };
777
778 static const struct snd_kcontrol_new mt2701_afe_o16_mix[] = {
779 SOC_DAPM_SINGLE_AUTODISABLE("I13 Switch", AFE_CONN16, 13, 1, 0),
780 };
781
782 static const struct snd_kcontrol_new mt2701_afe_o17_mix[] = {
783 SOC_DAPM_SINGLE_AUTODISABLE("I14 Switch", AFE_CONN17, 14, 1, 0),
784 };
785
786 static const struct snd_kcontrol_new mt2701_afe_o18_mix[] = {
787 SOC_DAPM_SINGLE_AUTODISABLE("I15 Switch", AFE_CONN18, 15, 1, 0),
788 };
789
790 static const struct snd_kcontrol_new mt2701_afe_o19_mix[] = {
791 SOC_DAPM_SINGLE_AUTODISABLE("I16 Switch", AFE_CONN19, 16, 1, 0),
792 };
793
794 static const struct snd_kcontrol_new mt2701_afe_o20_mix[] = {
795 SOC_DAPM_SINGLE_AUTODISABLE("I17 Switch", AFE_CONN20, 17, 1, 0),
796 };
797
798 static const struct snd_kcontrol_new mt2701_afe_o21_mix[] = {
799 SOC_DAPM_SINGLE_AUTODISABLE("I18 Switch", AFE_CONN21, 18, 1, 0),
800 };
801
802 static const struct snd_kcontrol_new mt2701_afe_o22_mix[] = {
803 SOC_DAPM_SINGLE_AUTODISABLE("I19 Switch", AFE_CONN22, 19, 1, 0),
804 };
805
806 static const struct snd_kcontrol_new mt2701_afe_o31_mix[] = {
807 SOC_DAPM_SINGLE_AUTODISABLE("I35 Switch", AFE_CONN41, 9, 1, 0),
808 };
809
810 static const struct snd_kcontrol_new mt2701_afe_i02_mix[] = {
811 SOC_DAPM_SINGLE("I2S0 Switch", SND_SOC_NOPM, 0, 1, 0),
812 };
813
814 static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s0[] = {
815 SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S0 Out Switch",
816 ASYS_I2SO1_CON, 26, 1, 0),
817 };
818
819 static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s1[] = {
820 SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S1 Out Switch",
821 ASYS_I2SO2_CON, 26, 1, 0),
822 };
823
824 static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s2[] = {
825 SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S2 Out Switch",
826 PWR2_TOP_CON, 17, 1, 0),
827 };
828
829 static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s3[] = {
830 SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S3 Out Switch",
831 PWR2_TOP_CON, 18, 1, 0),
832 };
833
834 static const struct snd_soc_dapm_widget mt2701_afe_pcm_widgets[] = {
835 /* inter-connections */
836 SND_SOC_DAPM_MIXER("I00", SND_SOC_NOPM, 0, 0, NULL, 0),
837 SND_SOC_DAPM_MIXER("I01", SND_SOC_NOPM, 0, 0, NULL, 0),
838 SND_SOC_DAPM_MIXER("I02", SND_SOC_NOPM, 0, 0, mt2701_afe_i02_mix,
839 ARRAY_SIZE(mt2701_afe_i02_mix)),
840 SND_SOC_DAPM_MIXER("I03", SND_SOC_NOPM, 0, 0, NULL, 0),
841 SND_SOC_DAPM_MIXER("I12", SND_SOC_NOPM, 0, 0, NULL, 0),
842 SND_SOC_DAPM_MIXER("I13", SND_SOC_NOPM, 0, 0, NULL, 0),
843 SND_SOC_DAPM_MIXER("I14", SND_SOC_NOPM, 0, 0, NULL, 0),
844 SND_SOC_DAPM_MIXER("I15", SND_SOC_NOPM, 0, 0, NULL, 0),
845 SND_SOC_DAPM_MIXER("I16", SND_SOC_NOPM, 0, 0, NULL, 0),
846 SND_SOC_DAPM_MIXER("I17", SND_SOC_NOPM, 0, 0, NULL, 0),
847 SND_SOC_DAPM_MIXER("I18", SND_SOC_NOPM, 0, 0, NULL, 0),
848 SND_SOC_DAPM_MIXER("I19", SND_SOC_NOPM, 0, 0, NULL, 0),
849 SND_SOC_DAPM_MIXER("I26", SND_SOC_NOPM, 0, 0, NULL, 0),
850 SND_SOC_DAPM_MIXER("I35", SND_SOC_NOPM, 0, 0, NULL, 0),
851
852 SND_SOC_DAPM_MIXER("O00", SND_SOC_NOPM, 0, 0, mt2701_afe_o00_mix,
853 ARRAY_SIZE(mt2701_afe_o00_mix)),
854 SND_SOC_DAPM_MIXER("O01", SND_SOC_NOPM, 0, 0, mt2701_afe_o01_mix,
855 ARRAY_SIZE(mt2701_afe_o01_mix)),
856 SND_SOC_DAPM_MIXER("O02", SND_SOC_NOPM, 0, 0, mt2701_afe_o02_mix,
857 ARRAY_SIZE(mt2701_afe_o02_mix)),
858 SND_SOC_DAPM_MIXER("O03", SND_SOC_NOPM, 0, 0, mt2701_afe_o03_mix,
859 ARRAY_SIZE(mt2701_afe_o03_mix)),
860 SND_SOC_DAPM_MIXER("O14", SND_SOC_NOPM, 0, 0, mt2701_afe_o14_mix,
861 ARRAY_SIZE(mt2701_afe_o14_mix)),
862 SND_SOC_DAPM_MIXER("O15", SND_SOC_NOPM, 0, 0, mt2701_afe_o15_mix,
863 ARRAY_SIZE(mt2701_afe_o15_mix)),
864 SND_SOC_DAPM_MIXER("O16", SND_SOC_NOPM, 0, 0, mt2701_afe_o16_mix,
865 ARRAY_SIZE(mt2701_afe_o16_mix)),
866 SND_SOC_DAPM_MIXER("O17", SND_SOC_NOPM, 0, 0, mt2701_afe_o17_mix,
867 ARRAY_SIZE(mt2701_afe_o17_mix)),
868 SND_SOC_DAPM_MIXER("O18", SND_SOC_NOPM, 0, 0, mt2701_afe_o18_mix,
869 ARRAY_SIZE(mt2701_afe_o18_mix)),
870 SND_SOC_DAPM_MIXER("O19", SND_SOC_NOPM, 0, 0, mt2701_afe_o19_mix,
871 ARRAY_SIZE(mt2701_afe_o19_mix)),
872 SND_SOC_DAPM_MIXER("O20", SND_SOC_NOPM, 0, 0, mt2701_afe_o20_mix,
873 ARRAY_SIZE(mt2701_afe_o20_mix)),
874 SND_SOC_DAPM_MIXER("O21", SND_SOC_NOPM, 0, 0, mt2701_afe_o21_mix,
875 ARRAY_SIZE(mt2701_afe_o21_mix)),
876 SND_SOC_DAPM_MIXER("O22", SND_SOC_NOPM, 0, 0, mt2701_afe_o22_mix,
877 ARRAY_SIZE(mt2701_afe_o22_mix)),
878 SND_SOC_DAPM_MIXER("O31", SND_SOC_NOPM, 0, 0, mt2701_afe_o31_mix,
879 ARRAY_SIZE(mt2701_afe_o31_mix)),
880
881 SND_SOC_DAPM_MIXER("I12I13", SND_SOC_NOPM, 0, 0,
882 mt2701_afe_multi_ch_out_i2s0,
883 ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s0)),
884 SND_SOC_DAPM_MIXER("I14I15", SND_SOC_NOPM, 0, 0,
885 mt2701_afe_multi_ch_out_i2s1,
886 ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s1)),
887 SND_SOC_DAPM_MIXER("I16I17", SND_SOC_NOPM, 0, 0,
888 mt2701_afe_multi_ch_out_i2s2,
889 ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s2)),
890 SND_SOC_DAPM_MIXER("I18I19", SND_SOC_NOPM, 0, 0,
891 mt2701_afe_multi_ch_out_i2s3,
892 ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s3)),
893 };
894
895 static const struct snd_soc_dapm_route mt2701_afe_pcm_routes[] = {
896 {"I12", NULL, "DL1"},
897 {"I13", NULL, "DL1"},
898 {"I35", NULL, "DLBT"},
899
900 {"I2S0 Playback", NULL, "O15"},
901 {"I2S0 Playback", NULL, "O16"},
902 {"I2S1 Playback", NULL, "O17"},
903 {"I2S1 Playback", NULL, "O18"},
904 {"I2S2 Playback", NULL, "O19"},
905 {"I2S2 Playback", NULL, "O20"},
906 {"I2S3 Playback", NULL, "O21"},
907 {"I2S3 Playback", NULL, "O22"},
908 {"BT Playback", NULL, "O31"},
909
910 {"UL1", NULL, "O00"},
911 {"UL1", NULL, "O01"},
912 {"UL2", NULL, "O02"},
913 {"UL2", NULL, "O03"},
914 {"ULBT", NULL, "O14"},
915
916 {"I00", NULL, "I2S0 Capture"},
917 {"I01", NULL, "I2S0 Capture"},
918 {"I02", NULL, "I2S1 Capture"},
919 {"I03", NULL, "I2S1 Capture"},
920 /* I02,03 link to UL2, also need to open I2S0 */
921 {"I02", "I2S0 Switch", "I2S0 Capture"},
922
923 {"I26", NULL, "BT Capture"},
924
925 {"I12I13", "Multich I2S0 Out Switch", "DLM"},
926 {"I14I15", "Multich I2S1 Out Switch", "DLM"},
927 {"I16I17", "Multich I2S2 Out Switch", "DLM"},
928 {"I18I19", "Multich I2S3 Out Switch", "DLM"},
929
930 { "I12", NULL, "I12I13" },
931 { "I13", NULL, "I12I13" },
932 { "I14", NULL, "I14I15" },
933 { "I15", NULL, "I14I15" },
934 { "I16", NULL, "I16I17" },
935 { "I17", NULL, "I16I17" },
936 { "I18", NULL, "I18I19" },
937 { "I19", NULL, "I18I19" },
938
939 { "O00", "I00 Switch", "I00" },
940 { "O01", "I01 Switch", "I01" },
941 { "O02", "I02 Switch", "I02" },
942 { "O03", "I03 Switch", "I03" },
943 { "O14", "I26 Switch", "I26" },
944 { "O15", "I12 Switch", "I12" },
945 { "O16", "I13 Switch", "I13" },
946 { "O17", "I14 Switch", "I14" },
947 { "O18", "I15 Switch", "I15" },
948 { "O19", "I16 Switch", "I16" },
949 { "O20", "I17 Switch", "I17" },
950 { "O21", "I18 Switch", "I18" },
951 { "O22", "I19 Switch", "I19" },
952 { "O31", "I35 Switch", "I35" },
953 };
954
mt2701_afe_pcm_probe(struct snd_soc_component * component)955 static int mt2701_afe_pcm_probe(struct snd_soc_component *component)
956 {
957 struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
958
959 snd_soc_component_init_regmap(component, afe->regmap);
960
961 return 0;
962 }
963
964 static const struct snd_soc_component_driver mt2701_afe_pcm_dai_component = {
965 .probe = mt2701_afe_pcm_probe,
966 .name = "mt2701-afe-pcm-dai",
967 .dapm_widgets = mt2701_afe_pcm_widgets,
968 .num_dapm_widgets = ARRAY_SIZE(mt2701_afe_pcm_widgets),
969 .dapm_routes = mt2701_afe_pcm_routes,
970 .num_dapm_routes = ARRAY_SIZE(mt2701_afe_pcm_routes),
971 .suspend = mtk_afe_suspend,
972 .resume = mtk_afe_resume,
973 };
974
975 static const struct mtk_base_memif_data memif_data_array[MT2701_MEMIF_NUM] = {
976 {
977 .name = "DL1",
978 .id = MT2701_MEMIF_DL1,
979 .reg_ofs_base = AFE_DL1_BASE,
980 .reg_ofs_cur = AFE_DL1_CUR,
981 .fs_reg = AFE_DAC_CON1,
982 .fs_shift = 0,
983 .fs_maskbit = 0x1f,
984 .mono_reg = AFE_DAC_CON3,
985 .mono_shift = 16,
986 .enable_reg = AFE_DAC_CON0,
987 .enable_shift = 1,
988 .hd_reg = AFE_MEMIF_HD_CON0,
989 .hd_shift = 0,
990 .agent_disable_reg = AUDIO_TOP_CON5,
991 .agent_disable_shift = 6,
992 .msb_reg = -1,
993 },
994 {
995 .name = "DL2",
996 .id = MT2701_MEMIF_DL2,
997 .reg_ofs_base = AFE_DL2_BASE,
998 .reg_ofs_cur = AFE_DL2_CUR,
999 .fs_reg = AFE_DAC_CON1,
1000 .fs_shift = 5,
1001 .fs_maskbit = 0x1f,
1002 .mono_reg = AFE_DAC_CON3,
1003 .mono_shift = 17,
1004 .enable_reg = AFE_DAC_CON0,
1005 .enable_shift = 2,
1006 .hd_reg = AFE_MEMIF_HD_CON0,
1007 .hd_shift = 2,
1008 .agent_disable_reg = AUDIO_TOP_CON5,
1009 .agent_disable_shift = 7,
1010 .msb_reg = -1,
1011 },
1012 {
1013 .name = "DL3",
1014 .id = MT2701_MEMIF_DL3,
1015 .reg_ofs_base = AFE_DL3_BASE,
1016 .reg_ofs_cur = AFE_DL3_CUR,
1017 .fs_reg = AFE_DAC_CON1,
1018 .fs_shift = 10,
1019 .fs_maskbit = 0x1f,
1020 .mono_reg = AFE_DAC_CON3,
1021 .mono_shift = 18,
1022 .enable_reg = AFE_DAC_CON0,
1023 .enable_shift = 3,
1024 .hd_reg = AFE_MEMIF_HD_CON0,
1025 .hd_shift = 4,
1026 .agent_disable_reg = AUDIO_TOP_CON5,
1027 .agent_disable_shift = 8,
1028 .msb_reg = -1,
1029 },
1030 {
1031 .name = "DL4",
1032 .id = MT2701_MEMIF_DL4,
1033 .reg_ofs_base = AFE_DL4_BASE,
1034 .reg_ofs_cur = AFE_DL4_CUR,
1035 .fs_reg = AFE_DAC_CON1,
1036 .fs_shift = 15,
1037 .fs_maskbit = 0x1f,
1038 .mono_reg = AFE_DAC_CON3,
1039 .mono_shift = 19,
1040 .enable_reg = AFE_DAC_CON0,
1041 .enable_shift = 4,
1042 .hd_reg = AFE_MEMIF_HD_CON0,
1043 .hd_shift = 6,
1044 .agent_disable_reg = AUDIO_TOP_CON5,
1045 .agent_disable_shift = 9,
1046 .msb_reg = -1,
1047 },
1048 {
1049 .name = "DL5",
1050 .id = MT2701_MEMIF_DL5,
1051 .reg_ofs_base = AFE_DL5_BASE,
1052 .reg_ofs_cur = AFE_DL5_CUR,
1053 .fs_reg = AFE_DAC_CON1,
1054 .fs_shift = 20,
1055 .fs_maskbit = 0x1f,
1056 .mono_reg = AFE_DAC_CON3,
1057 .mono_shift = 20,
1058 .enable_reg = AFE_DAC_CON0,
1059 .enable_shift = 5,
1060 .hd_reg = AFE_MEMIF_HD_CON0,
1061 .hd_shift = 8,
1062 .agent_disable_reg = AUDIO_TOP_CON5,
1063 .agent_disable_shift = 10,
1064 .msb_reg = -1,
1065 },
1066 {
1067 .name = "DLM",
1068 .id = MT2701_MEMIF_DLM,
1069 .reg_ofs_base = AFE_DLMCH_BASE,
1070 .reg_ofs_cur = AFE_DLMCH_CUR,
1071 .fs_reg = AFE_DAC_CON1,
1072 .fs_shift = 0,
1073 .fs_maskbit = 0x1f,
1074 .mono_reg = -1,
1075 .mono_shift = -1,
1076 .enable_reg = AFE_DAC_CON0,
1077 .enable_shift = 7,
1078 .hd_reg = AFE_MEMIF_PBUF_SIZE,
1079 .hd_shift = 28,
1080 .agent_disable_reg = AUDIO_TOP_CON5,
1081 .agent_disable_shift = 12,
1082 .msb_reg = -1,
1083 },
1084 {
1085 .name = "UL1",
1086 .id = MT2701_MEMIF_UL1,
1087 .reg_ofs_base = AFE_VUL_BASE,
1088 .reg_ofs_cur = AFE_VUL_CUR,
1089 .fs_reg = AFE_DAC_CON2,
1090 .fs_shift = 0,
1091 .fs_maskbit = 0x1f,
1092 .mono_reg = AFE_DAC_CON4,
1093 .mono_shift = 0,
1094 .enable_reg = AFE_DAC_CON0,
1095 .enable_shift = 10,
1096 .hd_reg = AFE_MEMIF_HD_CON1,
1097 .hd_shift = 0,
1098 .agent_disable_reg = AUDIO_TOP_CON5,
1099 .agent_disable_shift = 0,
1100 .msb_reg = -1,
1101 },
1102 {
1103 .name = "UL2",
1104 .id = MT2701_MEMIF_UL2,
1105 .reg_ofs_base = AFE_UL2_BASE,
1106 .reg_ofs_cur = AFE_UL2_CUR,
1107 .fs_reg = AFE_DAC_CON2,
1108 .fs_shift = 5,
1109 .fs_maskbit = 0x1f,
1110 .mono_reg = AFE_DAC_CON4,
1111 .mono_shift = 2,
1112 .enable_reg = AFE_DAC_CON0,
1113 .enable_shift = 11,
1114 .hd_reg = AFE_MEMIF_HD_CON1,
1115 .hd_shift = 2,
1116 .agent_disable_reg = AUDIO_TOP_CON5,
1117 .agent_disable_shift = 1,
1118 .msb_reg = -1,
1119 },
1120 {
1121 .name = "UL3",
1122 .id = MT2701_MEMIF_UL3,
1123 .reg_ofs_base = AFE_UL3_BASE,
1124 .reg_ofs_cur = AFE_UL3_CUR,
1125 .fs_reg = AFE_DAC_CON2,
1126 .fs_shift = 10,
1127 .fs_maskbit = 0x1f,
1128 .mono_reg = AFE_DAC_CON4,
1129 .mono_shift = 4,
1130 .enable_reg = AFE_DAC_CON0,
1131 .enable_shift = 12,
1132 .hd_reg = AFE_MEMIF_HD_CON0,
1133 .hd_shift = 0,
1134 .agent_disable_reg = AUDIO_TOP_CON5,
1135 .agent_disable_shift = 2,
1136 .msb_reg = -1,
1137 },
1138 {
1139 .name = "UL4",
1140 .id = MT2701_MEMIF_UL4,
1141 .reg_ofs_base = AFE_UL4_BASE,
1142 .reg_ofs_cur = AFE_UL4_CUR,
1143 .fs_reg = AFE_DAC_CON2,
1144 .fs_shift = 15,
1145 .fs_maskbit = 0x1f,
1146 .mono_reg = AFE_DAC_CON4,
1147 .mono_shift = 6,
1148 .enable_reg = AFE_DAC_CON0,
1149 .enable_shift = 13,
1150 .hd_reg = AFE_MEMIF_HD_CON0,
1151 .hd_shift = 6,
1152 .agent_disable_reg = AUDIO_TOP_CON5,
1153 .agent_disable_shift = 3,
1154 .msb_reg = -1,
1155 },
1156 {
1157 .name = "UL5",
1158 .id = MT2701_MEMIF_UL5,
1159 .reg_ofs_base = AFE_UL5_BASE,
1160 .reg_ofs_cur = AFE_UL5_CUR,
1161 .fs_reg = AFE_DAC_CON2,
1162 .fs_shift = 20,
1163 .mono_reg = AFE_DAC_CON4,
1164 .mono_shift = 8,
1165 .fs_maskbit = 0x1f,
1166 .enable_reg = AFE_DAC_CON0,
1167 .enable_shift = 14,
1168 .hd_reg = AFE_MEMIF_HD_CON0,
1169 .hd_shift = 8,
1170 .agent_disable_reg = AUDIO_TOP_CON5,
1171 .agent_disable_shift = 4,
1172 .msb_reg = -1,
1173 },
1174 {
1175 .name = "DLBT",
1176 .id = MT2701_MEMIF_DLBT,
1177 .reg_ofs_base = AFE_ARB1_BASE,
1178 .reg_ofs_cur = AFE_ARB1_CUR,
1179 .fs_reg = AFE_DAC_CON3,
1180 .fs_shift = 10,
1181 .fs_maskbit = 0x1f,
1182 .mono_reg = AFE_DAC_CON3,
1183 .mono_shift = 22,
1184 .enable_reg = AFE_DAC_CON0,
1185 .enable_shift = 8,
1186 .hd_reg = AFE_MEMIF_HD_CON0,
1187 .hd_shift = 14,
1188 .agent_disable_reg = AUDIO_TOP_CON5,
1189 .agent_disable_shift = 13,
1190 .msb_reg = -1,
1191 },
1192 {
1193 .name = "ULBT",
1194 .id = MT2701_MEMIF_ULBT,
1195 .reg_ofs_base = AFE_DAI_BASE,
1196 .reg_ofs_cur = AFE_DAI_CUR,
1197 .fs_reg = AFE_DAC_CON2,
1198 .fs_shift = 30,
1199 .fs_maskbit = 0x1,
1200 .mono_reg = -1,
1201 .mono_shift = -1,
1202 .enable_reg = AFE_DAC_CON0,
1203 .enable_shift = 17,
1204 .hd_reg = AFE_MEMIF_HD_CON1,
1205 .hd_shift = 20,
1206 .agent_disable_reg = AUDIO_TOP_CON5,
1207 .agent_disable_shift = 16,
1208 .msb_reg = -1,
1209 },
1210 };
1211
1212 static const struct mtk_base_irq_data irq_data[MT2701_IRQ_ASYS_END] = {
1213 {
1214 .id = MT2701_IRQ_ASYS_IRQ1,
1215 .irq_cnt_reg = ASYS_IRQ1_CON,
1216 .irq_cnt_shift = 0,
1217 .irq_cnt_maskbit = 0xffffff,
1218 .irq_fs_reg = ASYS_IRQ1_CON,
1219 .irq_fs_shift = 24,
1220 .irq_fs_maskbit = 0x1f,
1221 .irq_en_reg = ASYS_IRQ1_CON,
1222 .irq_en_shift = 31,
1223 .irq_clr_reg = ASYS_IRQ_CLR,
1224 .irq_clr_shift = 0,
1225 },
1226 {
1227 .id = MT2701_IRQ_ASYS_IRQ2,
1228 .irq_cnt_reg = ASYS_IRQ2_CON,
1229 .irq_cnt_shift = 0,
1230 .irq_cnt_maskbit = 0xffffff,
1231 .irq_fs_reg = ASYS_IRQ2_CON,
1232 .irq_fs_shift = 24,
1233 .irq_fs_maskbit = 0x1f,
1234 .irq_en_reg = ASYS_IRQ2_CON,
1235 .irq_en_shift = 31,
1236 .irq_clr_reg = ASYS_IRQ_CLR,
1237 .irq_clr_shift = 1,
1238 },
1239 {
1240 .id = MT2701_IRQ_ASYS_IRQ3,
1241 .irq_cnt_reg = ASYS_IRQ3_CON,
1242 .irq_cnt_shift = 0,
1243 .irq_cnt_maskbit = 0xffffff,
1244 .irq_fs_reg = ASYS_IRQ3_CON,
1245 .irq_fs_shift = 24,
1246 .irq_fs_maskbit = 0x1f,
1247 .irq_en_reg = ASYS_IRQ3_CON,
1248 .irq_en_shift = 31,
1249 .irq_clr_reg = ASYS_IRQ_CLR,
1250 .irq_clr_shift = 2,
1251 }
1252 };
1253
1254 static const struct mt2701_i2s_data mt2701_i2s_data[][2] = {
1255 {
1256 { ASYS_I2SO1_CON, 0, 0x1f },
1257 { ASYS_I2SIN1_CON, 0, 0x1f },
1258 },
1259 {
1260 { ASYS_I2SO2_CON, 5, 0x1f },
1261 { ASYS_I2SIN2_CON, 5, 0x1f },
1262 },
1263 {
1264 { ASYS_I2SO3_CON, 10, 0x1f },
1265 { ASYS_I2SIN3_CON, 10, 0x1f },
1266 },
1267 {
1268 { ASYS_I2SO4_CON, 15, 0x1f },
1269 { ASYS_I2SIN4_CON, 15, 0x1f },
1270 },
1271 /* TODO - extend control registers supported by newer SoCs */
1272 };
1273
mt2701_asys_isr(int irq_id,void * dev)1274 static irqreturn_t mt2701_asys_isr(int irq_id, void *dev)
1275 {
1276 int id;
1277 struct mtk_base_afe *afe = dev;
1278 struct mtk_base_afe_memif *memif;
1279 struct mtk_base_afe_irq *irq;
1280 u32 status;
1281
1282 regmap_read(afe->regmap, ASYS_IRQ_STATUS, &status);
1283 regmap_write(afe->regmap, ASYS_IRQ_CLR, status);
1284
1285 for (id = 0; id < MT2701_MEMIF_NUM; ++id) {
1286 memif = &afe->memif[id];
1287 if (memif->irq_usage < 0)
1288 continue;
1289
1290 irq = &afe->irqs[memif->irq_usage];
1291 if (status & 1 << irq->irq_data->irq_clr_shift)
1292 snd_pcm_period_elapsed(memif->substream);
1293 }
1294
1295 return IRQ_HANDLED;
1296 }
1297
mt2701_afe_runtime_suspend(struct device * dev)1298 static int mt2701_afe_runtime_suspend(struct device *dev)
1299 {
1300 struct mtk_base_afe *afe = dev_get_drvdata(dev);
1301
1302 return mt2701_afe_disable_clock(afe);
1303 }
1304
mt2701_afe_runtime_resume(struct device * dev)1305 static int mt2701_afe_runtime_resume(struct device *dev)
1306 {
1307 struct mtk_base_afe *afe = dev_get_drvdata(dev);
1308
1309 return mt2701_afe_enable_clock(afe);
1310 }
1311
mt2701_afe_pcm_dev_probe(struct platform_device * pdev)1312 static int mt2701_afe_pcm_dev_probe(struct platform_device *pdev)
1313 {
1314 struct mtk_base_afe *afe;
1315 struct mt2701_afe_private *afe_priv;
1316 struct device *dev;
1317 int i, irq_id, ret;
1318
1319 afe = devm_kzalloc(&pdev->dev, sizeof(*afe), GFP_KERNEL);
1320 if (!afe)
1321 return -ENOMEM;
1322
1323 afe->platform_priv = devm_kzalloc(&pdev->dev, sizeof(*afe_priv),
1324 GFP_KERNEL);
1325 if (!afe->platform_priv)
1326 return -ENOMEM;
1327
1328 afe_priv = afe->platform_priv;
1329 afe_priv->soc = of_device_get_match_data(&pdev->dev);
1330 afe->dev = &pdev->dev;
1331 dev = afe->dev;
1332
1333 afe_priv->i2s_path = devm_kcalloc(dev,
1334 afe_priv->soc->i2s_num,
1335 sizeof(struct mt2701_i2s_path),
1336 GFP_KERNEL);
1337 if (!afe_priv->i2s_path)
1338 return -ENOMEM;
1339
1340 irq_id = platform_get_irq_byname(pdev, "asys");
1341 if (irq_id < 0)
1342 return irq_id;
1343
1344 ret = devm_request_irq(dev, irq_id, mt2701_asys_isr,
1345 IRQF_TRIGGER_NONE, "asys-isr", (void *)afe);
1346 if (ret) {
1347 dev_err(dev, "could not request_irq for asys-isr\n");
1348 return ret;
1349 }
1350
1351 afe->regmap = syscon_node_to_regmap(dev->parent->of_node);
1352 if (IS_ERR(afe->regmap)) {
1353 dev_err(dev, "could not get regmap from parent\n");
1354 return PTR_ERR(afe->regmap);
1355 }
1356
1357 mutex_init(&afe->irq_alloc_lock);
1358
1359 /* memif initialize */
1360 afe->memif_size = MT2701_MEMIF_NUM;
1361 afe->memif = devm_kcalloc(dev, afe->memif_size, sizeof(*afe->memif),
1362 GFP_KERNEL);
1363 if (!afe->memif)
1364 return -ENOMEM;
1365
1366 for (i = 0; i < afe->memif_size; i++) {
1367 afe->memif[i].data = &memif_data_array[i];
1368 afe->memif[i].irq_usage = -1;
1369 }
1370
1371 /* irq initialize */
1372 afe->irqs_size = MT2701_IRQ_ASYS_END;
1373 afe->irqs = devm_kcalloc(dev, afe->irqs_size, sizeof(*afe->irqs),
1374 GFP_KERNEL);
1375 if (!afe->irqs)
1376 return -ENOMEM;
1377
1378 for (i = 0; i < afe->irqs_size; i++)
1379 afe->irqs[i].irq_data = &irq_data[i];
1380
1381 /* I2S initialize */
1382 for (i = 0; i < afe_priv->soc->i2s_num; i++) {
1383 afe_priv->i2s_path[i].i2s_data[SNDRV_PCM_STREAM_PLAYBACK] =
1384 &mt2701_i2s_data[i][SNDRV_PCM_STREAM_PLAYBACK];
1385 afe_priv->i2s_path[i].i2s_data[SNDRV_PCM_STREAM_CAPTURE] =
1386 &mt2701_i2s_data[i][SNDRV_PCM_STREAM_CAPTURE];
1387 }
1388
1389 afe->mtk_afe_hardware = &mt2701_afe_hardware;
1390 afe->memif_fs = mt2701_memif_fs;
1391 afe->irq_fs = mt2701_irq_fs;
1392 afe->reg_back_up_list = mt2701_afe_backup_list;
1393 afe->reg_back_up_list_num = ARRAY_SIZE(mt2701_afe_backup_list);
1394 afe->runtime_resume = mt2701_afe_runtime_resume;
1395 afe->runtime_suspend = mt2701_afe_runtime_suspend;
1396
1397 /* initial audio related clock */
1398 ret = mt2701_init_clock(afe);
1399 if (ret) {
1400 dev_err(dev, "init clock error\n");
1401 return ret;
1402 }
1403
1404 platform_set_drvdata(pdev, afe);
1405
1406 pm_runtime_enable(dev);
1407 if (!pm_runtime_enabled(dev)) {
1408 ret = mt2701_afe_runtime_resume(dev);
1409 if (ret)
1410 goto err_pm_disable;
1411 }
1412 pm_runtime_get_sync(dev);
1413
1414 ret = devm_snd_soc_register_component(&pdev->dev, &mtk_afe_pcm_platform,
1415 NULL, 0);
1416 if (ret) {
1417 dev_warn(dev, "err_platform\n");
1418 goto err_platform;
1419 }
1420
1421 ret = devm_snd_soc_register_component(&pdev->dev,
1422 &mt2701_afe_pcm_dai_component,
1423 mt2701_afe_pcm_dais,
1424 ARRAY_SIZE(mt2701_afe_pcm_dais));
1425 if (ret) {
1426 dev_warn(dev, "err_dai_component\n");
1427 goto err_platform;
1428 }
1429
1430 return 0;
1431
1432 err_platform:
1433 pm_runtime_put_sync(dev);
1434 err_pm_disable:
1435 pm_runtime_disable(dev);
1436
1437 return ret;
1438 }
1439
mt2701_afe_pcm_dev_remove(struct platform_device * pdev)1440 static void mt2701_afe_pcm_dev_remove(struct platform_device *pdev)
1441 {
1442 pm_runtime_put_sync(&pdev->dev);
1443 pm_runtime_disable(&pdev->dev);
1444 if (!pm_runtime_status_suspended(&pdev->dev))
1445 mt2701_afe_runtime_suspend(&pdev->dev);
1446 }
1447
1448 static const struct mt2701_soc_variants mt2701_soc_v1 = {
1449 .i2s_num = 4,
1450 };
1451
1452 static const struct mt2701_soc_variants mt2701_soc_v2 = {
1453 .has_one_heart_mode = true,
1454 .i2s_num = 4,
1455 };
1456
1457 static const struct of_device_id mt2701_afe_pcm_dt_match[] = {
1458 { .compatible = "mediatek,mt2701-audio", .data = &mt2701_soc_v1 },
1459 { .compatible = "mediatek,mt7622-audio", .data = &mt2701_soc_v2 },
1460 {},
1461 };
1462 MODULE_DEVICE_TABLE(of, mt2701_afe_pcm_dt_match);
1463
1464 static const struct dev_pm_ops mt2701_afe_pm_ops = {
1465 SET_RUNTIME_PM_OPS(mt2701_afe_runtime_suspend,
1466 mt2701_afe_runtime_resume, NULL)
1467 };
1468
1469 static struct platform_driver mt2701_afe_pcm_driver = {
1470 .driver = {
1471 .name = "mt2701-audio",
1472 .of_match_table = mt2701_afe_pcm_dt_match,
1473 .pm = &mt2701_afe_pm_ops,
1474 },
1475 .probe = mt2701_afe_pcm_dev_probe,
1476 .remove = mt2701_afe_pcm_dev_remove,
1477 };
1478
1479 module_platform_driver(mt2701_afe_pcm_driver);
1480
1481 MODULE_DESCRIPTION("Mediatek ALSA SoC AFE platform driver for 2701");
1482 MODULE_AUTHOR("Garlic Tseng <garlic.tseng@mediatek.com>");
1483 MODULE_LICENSE("GPL v2");
1484