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[mirror_ubuntu-bionic-kernel.git] / sound / soc / mediatek / mt2701 / mt2701-afe-pcm.c
1 /*
2 * Mediatek ALSA SoC AFE platform driver for 2701
3 *
4 * Copyright (c) 2016 MediaTek Inc.
5 * Author: Garlic Tseng <garlic.tseng@mediatek.com>
6 * Ir Lian <ir.lian@mediatek.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 and
10 * only version 2 as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 */
17
18 #include <linux/delay.h>
19 #include <linux/module.h>
20 #include <linux/of.h>
21 #include <linux/of_address.h>
22 #include <linux/pm_runtime.h>
23 #include <sound/soc.h>
24
25 #include "mt2701-afe-common.h"
26
27 #include "mt2701-afe-clock-ctrl.h"
28 #include "../common/mtk-afe-platform-driver.h"
29 #include "../common/mtk-afe-fe-dai.h"
30
31 #define AFE_IRQ_STATUS_BITS 0xff
32
33 static const struct snd_pcm_hardware mt2701_afe_hardware = {
34 .info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED
35 | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID,
36 .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE
37 | SNDRV_PCM_FMTBIT_S32_LE,
38 .period_bytes_min = 1024,
39 .period_bytes_max = 1024 * 256,
40 .periods_min = 4,
41 .periods_max = 1024,
42 .buffer_bytes_max = 1024 * 1024 * 16,
43 .fifo_size = 0,
44 };
45
46 struct mt2701_afe_rate {
47 unsigned int rate;
48 unsigned int regvalue;
49 };
50
51 static const struct mt2701_afe_rate mt2701_afe_i2s_rates[] = {
52 { .rate = 8000, .regvalue = 0 },
53 { .rate = 12000, .regvalue = 1 },
54 { .rate = 16000, .regvalue = 2 },
55 { .rate = 24000, .regvalue = 3 },
56 { .rate = 32000, .regvalue = 4 },
57 { .rate = 48000, .regvalue = 5 },
58 { .rate = 96000, .regvalue = 6 },
59 { .rate = 192000, .regvalue = 7 },
60 { .rate = 384000, .regvalue = 8 },
61 { .rate = 7350, .regvalue = 16 },
62 { .rate = 11025, .regvalue = 17 },
63 { .rate = 14700, .regvalue = 18 },
64 { .rate = 22050, .regvalue = 19 },
65 { .rate = 29400, .regvalue = 20 },
66 { .rate = 44100, .regvalue = 21 },
67 { .rate = 88200, .regvalue = 22 },
68 { .rate = 176400, .regvalue = 23 },
69 { .rate = 352800, .regvalue = 24 },
70 };
71
72 int mt2701_dai_num_to_i2s(struct mtk_base_afe *afe, int num)
73 {
74 int val = num - MT2701_IO_I2S;
75
76 if (val < 0 || val >= MT2701_I2S_NUM) {
77 dev_err(afe->dev, "%s, num not available, num %d, val %d\n",
78 __func__, num, val);
79 return -EINVAL;
80 }
81 return val;
82 }
83
84 static int mt2701_afe_i2s_fs(unsigned int sample_rate)
85 {
86 int i;
87
88 for (i = 0; i < ARRAY_SIZE(mt2701_afe_i2s_rates); i++)
89 if (mt2701_afe_i2s_rates[i].rate == sample_rate)
90 return mt2701_afe_i2s_rates[i].regvalue;
91
92 return -EINVAL;
93 }
94
95 static int mt2701_afe_i2s_startup(struct snd_pcm_substream *substream,
96 struct snd_soc_dai *dai)
97 {
98 struct snd_soc_pcm_runtime *rtd = substream->private_data;
99 struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
100 struct mt2701_afe_private *afe_priv = afe->platform_priv;
101 int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
102 int clk_num = MT2701_AUD_AUD_I2S1_MCLK + i2s_num;
103 int ret = 0;
104
105 if (i2s_num < 0)
106 return i2s_num;
107
108 /* enable mclk */
109 ret = clk_prepare_enable(afe_priv->clocks[clk_num]);
110 if (ret)
111 dev_err(afe->dev, "Failed to enable mclk for I2S: %d\n",
112 i2s_num);
113
114 return ret;
115 }
116
117 static int mt2701_afe_i2s_path_shutdown(struct snd_pcm_substream *substream,
118 struct snd_soc_dai *dai,
119 int dir_invert)
120 {
121 struct snd_soc_pcm_runtime *rtd = substream->private_data;
122 struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
123 struct mt2701_afe_private *afe_priv = afe->platform_priv;
124 int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
125 struct mt2701_i2s_path *i2s_path;
126 const struct mt2701_i2s_data *i2s_data;
127 int stream_dir = substream->stream;
128
129 if (i2s_num < 0)
130 return i2s_num;
131
132 i2s_path = &afe_priv->i2s_path[i2s_num];
133
134 if (dir_invert) {
135 if (stream_dir == SNDRV_PCM_STREAM_PLAYBACK)
136 stream_dir = SNDRV_PCM_STREAM_CAPTURE;
137 else
138 stream_dir = SNDRV_PCM_STREAM_PLAYBACK;
139 }
140 i2s_data = i2s_path->i2s_data[stream_dir];
141
142 i2s_path->on[stream_dir]--;
143 if (i2s_path->on[stream_dir] < 0) {
144 dev_warn(afe->dev, "i2s_path->on: %d, dir: %d\n",
145 i2s_path->on[stream_dir], stream_dir);
146 i2s_path->on[stream_dir] = 0;
147 }
148 if (i2s_path->on[stream_dir])
149 return 0;
150
151 /* disable i2s */
152 regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg,
153 ASYS_I2S_CON_I2S_EN, 0);
154 regmap_update_bits(afe->regmap, AUDIO_TOP_CON4,
155 1 << i2s_data->i2s_pwn_shift,
156 1 << i2s_data->i2s_pwn_shift);
157 return 0;
158 }
159
160 static void mt2701_afe_i2s_shutdown(struct snd_pcm_substream *substream,
161 struct snd_soc_dai *dai)
162 {
163 struct snd_soc_pcm_runtime *rtd = substream->private_data;
164 struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
165 struct mt2701_afe_private *afe_priv = afe->platform_priv;
166 int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
167 struct mt2701_i2s_path *i2s_path;
168 int clk_num = MT2701_AUD_AUD_I2S1_MCLK + i2s_num;
169
170 if (i2s_num < 0)
171 return;
172
173 i2s_path = &afe_priv->i2s_path[i2s_num];
174
175 if (i2s_path->occupied[substream->stream])
176 i2s_path->occupied[substream->stream] = 0;
177 else
178 goto I2S_UNSTART;
179
180 mt2701_afe_i2s_path_shutdown(substream, dai, 0);
181
182 /* need to disable i2s-out path when disable i2s-in */
183 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
184 mt2701_afe_i2s_path_shutdown(substream, dai, 1);
185
186 I2S_UNSTART:
187 /* disable mclk */
188 clk_disable_unprepare(afe_priv->clocks[clk_num]);
189 }
190
191 static int mt2701_i2s_path_prepare_enable(struct snd_pcm_substream *substream,
192 struct snd_soc_dai *dai,
193 int dir_invert)
194 {
195 struct snd_soc_pcm_runtime *rtd = substream->private_data;
196 struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
197 struct mt2701_afe_private *afe_priv = afe->platform_priv;
198 int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
199 struct mt2701_i2s_path *i2s_path;
200 const struct mt2701_i2s_data *i2s_data;
201 struct snd_pcm_runtime * const runtime = substream->runtime;
202 int reg, fs, w_len = 1; /* now we support bck 64bits only */
203 int stream_dir = substream->stream;
204 unsigned int mask = 0, val = 0;
205
206 if (i2s_num < 0)
207 return i2s_num;
208
209 i2s_path = &afe_priv->i2s_path[i2s_num];
210
211 if (dir_invert) {
212 if (stream_dir == SNDRV_PCM_STREAM_PLAYBACK)
213 stream_dir = SNDRV_PCM_STREAM_CAPTURE;
214 else
215 stream_dir = SNDRV_PCM_STREAM_PLAYBACK;
216 }
217 i2s_data = i2s_path->i2s_data[stream_dir];
218
219 /* no need to enable if already done */
220 i2s_path->on[stream_dir]++;
221
222 if (i2s_path->on[stream_dir] != 1)
223 return 0;
224
225 fs = mt2701_afe_i2s_fs(runtime->rate);
226
227 mask = ASYS_I2S_CON_FS |
228 ASYS_I2S_CON_I2S_COUPLE_MODE | /* 0 */
229 ASYS_I2S_CON_I2S_MODE |
230 ASYS_I2S_CON_WIDE_MODE;
231
232 val = ASYS_I2S_CON_FS_SET(fs) |
233 ASYS_I2S_CON_I2S_MODE |
234 ASYS_I2S_CON_WIDE_MODE_SET(w_len);
235
236 if (stream_dir == SNDRV_PCM_STREAM_CAPTURE) {
237 mask |= ASYS_I2S_IN_PHASE_FIX;
238 val |= ASYS_I2S_IN_PHASE_FIX;
239 }
240
241 regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg, mask, val);
242
243 if (stream_dir == SNDRV_PCM_STREAM_PLAYBACK)
244 reg = ASMO_TIMING_CON1;
245 else
246 reg = ASMI_TIMING_CON1;
247
248 regmap_update_bits(afe->regmap, reg,
249 i2s_data->i2s_asrc_fs_mask
250 << i2s_data->i2s_asrc_fs_shift,
251 fs << i2s_data->i2s_asrc_fs_shift);
252
253 /* enable i2s */
254 regmap_update_bits(afe->regmap, AUDIO_TOP_CON4,
255 1 << i2s_data->i2s_pwn_shift,
256 0 << i2s_data->i2s_pwn_shift);
257
258 /* reset i2s hw status before enable */
259 regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg,
260 ASYS_I2S_CON_RESET, ASYS_I2S_CON_RESET);
261 udelay(1);
262 regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg,
263 ASYS_I2S_CON_RESET, 0);
264 udelay(1);
265 regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg,
266 ASYS_I2S_CON_I2S_EN, ASYS_I2S_CON_I2S_EN);
267 return 0;
268 }
269
270 static int mt2701_afe_i2s_prepare(struct snd_pcm_substream *substream,
271 struct snd_soc_dai *dai)
272 {
273 int clk_domain;
274 struct snd_soc_pcm_runtime *rtd = substream->private_data;
275 struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
276 struct mt2701_afe_private *afe_priv = afe->platform_priv;
277 int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
278 struct mt2701_i2s_path *i2s_path;
279 int mclk_rate;
280
281 if (i2s_num < 0)
282 return i2s_num;
283
284 i2s_path = &afe_priv->i2s_path[i2s_num];
285 mclk_rate = i2s_path->mclk_rate;
286
287 if (i2s_path->occupied[substream->stream])
288 return -EBUSY;
289 i2s_path->occupied[substream->stream] = 1;
290
291 if (MT2701_PLL_DOMAIN_0_RATE % mclk_rate == 0) {
292 clk_domain = 0;
293 } else if (MT2701_PLL_DOMAIN_1_RATE % mclk_rate == 0) {
294 clk_domain = 1;
295 } else {
296 dev_err(dai->dev, "%s() bad mclk rate %d\n",
297 __func__, mclk_rate);
298 return -EINVAL;
299 }
300 mt2701_mclk_configuration(afe, i2s_num, clk_domain, mclk_rate);
301
302 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
303 mt2701_i2s_path_prepare_enable(substream, dai, 0);
304 } else {
305 /* need to enable i2s-out path when enable i2s-in */
306 /* prepare for another direction "out" */
307 mt2701_i2s_path_prepare_enable(substream, dai, 1);
308 /* prepare for "in" */
309 mt2701_i2s_path_prepare_enable(substream, dai, 0);
310 }
311
312 return 0;
313 }
314
315 static int mt2701_afe_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id,
316 unsigned int freq, int dir)
317 {
318 struct mtk_base_afe *afe = dev_get_drvdata(dai->dev);
319 struct mt2701_afe_private *afe_priv = afe->platform_priv;
320 int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
321
322 if (i2s_num < 0)
323 return i2s_num;
324
325 /* mclk */
326 if (dir == SND_SOC_CLOCK_IN) {
327 dev_warn(dai->dev,
328 "%s() warning: mt2701 doesn't support mclk input\n",
329 __func__);
330 return -EINVAL;
331 }
332 afe_priv->i2s_path[i2s_num].mclk_rate = freq;
333 return 0;
334 }
335
336 static int mt2701_btmrg_startup(struct snd_pcm_substream *substream,
337 struct snd_soc_dai *dai)
338 {
339 struct snd_soc_pcm_runtime *rtd = substream->private_data;
340 struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
341 struct mt2701_afe_private *afe_priv = afe->platform_priv;
342
343 regmap_update_bits(afe->regmap, AUDIO_TOP_CON4,
344 AUDIO_TOP_CON4_PDN_MRGIF, 0);
345
346 afe_priv->mrg_enable[substream->stream] = 1;
347 return 0;
348 }
349
350 static int mt2701_btmrg_hw_params(struct snd_pcm_substream *substream,
351 struct snd_pcm_hw_params *params,
352 struct snd_soc_dai *dai)
353 {
354 struct snd_soc_pcm_runtime *rtd = substream->private_data;
355 struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
356 int stream_fs;
357 u32 val, msk;
358
359 stream_fs = params_rate(params);
360
361 if ((stream_fs != 8000) && (stream_fs != 16000)) {
362 dev_err(afe->dev, "%s() btmgr not supprt this stream_fs %d\n",
363 __func__, stream_fs);
364 return -EINVAL;
365 }
366
367 regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
368 AFE_MRGIF_CON_I2S_MODE_MASK,
369 AFE_MRGIF_CON_I2S_MODE_32K);
370
371 val = AFE_DAIBT_CON0_BT_FUNC_EN | AFE_DAIBT_CON0_BT_FUNC_RDY
372 | AFE_DAIBT_CON0_MRG_USE;
373 msk = val;
374
375 if (stream_fs == 16000)
376 val |= AFE_DAIBT_CON0_BT_WIDE_MODE_EN;
377
378 msk |= AFE_DAIBT_CON0_BT_WIDE_MODE_EN;
379
380 regmap_update_bits(afe->regmap, AFE_DAIBT_CON0, msk, val);
381
382 regmap_update_bits(afe->regmap, AFE_DAIBT_CON0,
383 AFE_DAIBT_CON0_DAIBT_EN,
384 AFE_DAIBT_CON0_DAIBT_EN);
385 regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
386 AFE_MRGIF_CON_MRG_I2S_EN,
387 AFE_MRGIF_CON_MRG_I2S_EN);
388 regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
389 AFE_MRGIF_CON_MRG_EN,
390 AFE_MRGIF_CON_MRG_EN);
391 return 0;
392 }
393
394 static void mt2701_btmrg_shutdown(struct snd_pcm_substream *substream,
395 struct snd_soc_dai *dai)
396 {
397 struct snd_soc_pcm_runtime *rtd = substream->private_data;
398 struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
399 struct mt2701_afe_private *afe_priv = afe->platform_priv;
400
401 /* if the other direction stream is not occupied */
402 if (!afe_priv->mrg_enable[!substream->stream]) {
403 regmap_update_bits(afe->regmap, AFE_DAIBT_CON0,
404 AFE_DAIBT_CON0_DAIBT_EN, 0);
405 regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
406 AFE_MRGIF_CON_MRG_EN, 0);
407 regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
408 AFE_MRGIF_CON_MRG_I2S_EN, 0);
409 regmap_update_bits(afe->regmap, AUDIO_TOP_CON4,
410 AUDIO_TOP_CON4_PDN_MRGIF,
411 AUDIO_TOP_CON4_PDN_MRGIF);
412 }
413 afe_priv->mrg_enable[substream->stream] = 0;
414 }
415
416 static int mt2701_simple_fe_startup(struct snd_pcm_substream *substream,
417 struct snd_soc_dai *dai)
418 {
419 struct snd_soc_pcm_runtime *rtd = substream->private_data;
420 struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
421 int stream_dir = substream->stream;
422 int memif_num = rtd->cpu_dai->id;
423 struct mtk_base_afe_memif *memif_tmp;
424
425 /* can't run single DL & DLM at the same time */
426 if (stream_dir == SNDRV_PCM_STREAM_PLAYBACK) {
427 memif_tmp = &afe->memif[MT2701_MEMIF_DLM];
428 if (memif_tmp->substream) {
429 dev_warn(afe->dev, "%s memif is not available, stream_dir %d, memif_num %d\n",
430 __func__, stream_dir, memif_num);
431 return -EBUSY;
432 }
433 }
434 return mtk_afe_fe_startup(substream, dai);
435 }
436
437 static int mt2701_simple_fe_hw_params(struct snd_pcm_substream *substream,
438 struct snd_pcm_hw_params *params,
439 struct snd_soc_dai *dai)
440 {
441 struct snd_soc_pcm_runtime *rtd = substream->private_data;
442 struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
443 int stream_dir = substream->stream;
444
445 /* single DL use PAIR_INTERLEAVE */
446 if (stream_dir == SNDRV_PCM_STREAM_PLAYBACK) {
447 regmap_update_bits(afe->regmap,
448 AFE_MEMIF_PBUF_SIZE,
449 AFE_MEMIF_PBUF_SIZE_DLM_MASK,
450 AFE_MEMIF_PBUF_SIZE_PAIR_INTERLEAVE);
451 }
452 return mtk_afe_fe_hw_params(substream, params, dai);
453 }
454
455 static int mt2701_dlm_fe_startup(struct snd_pcm_substream *substream,
456 struct snd_soc_dai *dai)
457 {
458 struct snd_soc_pcm_runtime *rtd = substream->private_data;
459 struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
460 struct mtk_base_afe_memif *memif_tmp;
461 const struct mtk_base_memif_data *memif_data;
462 int i;
463
464 for (i = MT2701_MEMIF_DL1; i < MT2701_MEMIF_DL_SINGLE_NUM; ++i) {
465 memif_tmp = &afe->memif[i];
466 if (memif_tmp->substream)
467 return -EBUSY;
468 }
469
470 /* enable agent for all signal DL (due to hw design) */
471 for (i = MT2701_MEMIF_DL1; i < MT2701_MEMIF_DL_SINGLE_NUM; ++i) {
472 memif_data = afe->memif[i].data;
473 regmap_update_bits(afe->regmap,
474 memif_data->agent_disable_reg,
475 1 << memif_data->agent_disable_shift,
476 0 << memif_data->agent_disable_shift);
477 }
478
479 return mtk_afe_fe_startup(substream, dai);
480 }
481
482 static void mt2701_dlm_fe_shutdown(struct snd_pcm_substream *substream,
483 struct snd_soc_dai *dai)
484 {
485 struct snd_soc_pcm_runtime *rtd = substream->private_data;
486 struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
487 const struct mtk_base_memif_data *memif_data;
488 int i;
489
490 for (i = MT2701_MEMIF_DL1; i < MT2701_MEMIF_DL_SINGLE_NUM; ++i) {
491 memif_data = afe->memif[i].data;
492 regmap_update_bits(afe->regmap,
493 memif_data->agent_disable_reg,
494 1 << memif_data->agent_disable_shift,
495 1 << memif_data->agent_disable_shift);
496 }
497 return mtk_afe_fe_shutdown(substream, dai);
498 }
499
500 static int mt2701_dlm_fe_hw_params(struct snd_pcm_substream *substream,
501 struct snd_pcm_hw_params *params,
502 struct snd_soc_dai *dai)
503 {
504 struct snd_soc_pcm_runtime *rtd = substream->private_data;
505 struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
506 int channels = params_channels(params);
507
508 regmap_update_bits(afe->regmap,
509 AFE_MEMIF_PBUF_SIZE,
510 AFE_MEMIF_PBUF_SIZE_DLM_MASK,
511 AFE_MEMIF_PBUF_SIZE_FULL_INTERLEAVE);
512 regmap_update_bits(afe->regmap,
513 AFE_MEMIF_PBUF_SIZE,
514 AFE_MEMIF_PBUF_SIZE_DLM_BYTE_MASK,
515 AFE_MEMIF_PBUF_SIZE_DLM_32BYTES);
516 regmap_update_bits(afe->regmap,
517 AFE_MEMIF_PBUF_SIZE,
518 AFE_MEMIF_PBUF_SIZE_DLM_CH_MASK,
519 AFE_MEMIF_PBUF_SIZE_DLM_CH(channels));
520
521 return mtk_afe_fe_hw_params(substream, params, dai);
522 }
523
524 static int mt2701_dlm_fe_trigger(struct snd_pcm_substream *substream,
525 int cmd, struct snd_soc_dai *dai)
526 {
527 struct snd_soc_pcm_runtime *rtd = substream->private_data;
528 struct mtk_base_afe *afe = snd_soc_platform_get_drvdata(rtd->platform);
529 struct mtk_base_afe_memif *memif_tmp = &afe->memif[MT2701_MEMIF_DL1];
530
531 switch (cmd) {
532 case SNDRV_PCM_TRIGGER_START:
533 case SNDRV_PCM_TRIGGER_RESUME:
534 regmap_update_bits(afe->regmap, memif_tmp->data->enable_reg,
535 1 << memif_tmp->data->enable_shift,
536 1 << memif_tmp->data->enable_shift);
537 mtk_afe_fe_trigger(substream, cmd, dai);
538 return 0;
539 case SNDRV_PCM_TRIGGER_STOP:
540 case SNDRV_PCM_TRIGGER_SUSPEND:
541 mtk_afe_fe_trigger(substream, cmd, dai);
542 regmap_update_bits(afe->regmap, memif_tmp->data->enable_reg,
543 1 << memif_tmp->data->enable_shift, 0);
544
545 return 0;
546 default:
547 return -EINVAL;
548 }
549 }
550
551 static int mt2701_memif_fs(struct snd_pcm_substream *substream,
552 unsigned int rate)
553 {
554 struct snd_soc_pcm_runtime *rtd = substream->private_data;
555 int fs;
556
557 if (rtd->cpu_dai->id != MT2701_MEMIF_ULBT)
558 fs = mt2701_afe_i2s_fs(rate);
559 else
560 fs = (rate == 16000 ? 1 : 0);
561 return fs;
562 }
563
564 static int mt2701_irq_fs(struct snd_pcm_substream *substream, unsigned int rate)
565 {
566 return mt2701_afe_i2s_fs(rate);
567 }
568
569 /* FE DAIs */
570 static const struct snd_soc_dai_ops mt2701_single_memif_dai_ops = {
571 .startup = mt2701_simple_fe_startup,
572 .shutdown = mtk_afe_fe_shutdown,
573 .hw_params = mt2701_simple_fe_hw_params,
574 .hw_free = mtk_afe_fe_hw_free,
575 .prepare = mtk_afe_fe_prepare,
576 .trigger = mtk_afe_fe_trigger,
577
578 };
579
580 static const struct snd_soc_dai_ops mt2701_dlm_memif_dai_ops = {
581 .startup = mt2701_dlm_fe_startup,
582 .shutdown = mt2701_dlm_fe_shutdown,
583 .hw_params = mt2701_dlm_fe_hw_params,
584 .hw_free = mtk_afe_fe_hw_free,
585 .prepare = mtk_afe_fe_prepare,
586 .trigger = mt2701_dlm_fe_trigger,
587 };
588
589 /* I2S BE DAIs */
590 static const struct snd_soc_dai_ops mt2701_afe_i2s_ops = {
591 .startup = mt2701_afe_i2s_startup,
592 .shutdown = mt2701_afe_i2s_shutdown,
593 .prepare = mt2701_afe_i2s_prepare,
594 .set_sysclk = mt2701_afe_i2s_set_sysclk,
595 };
596
597 /* MRG BE DAIs */
598 static struct snd_soc_dai_ops mt2701_btmrg_ops = {
599 .startup = mt2701_btmrg_startup,
600 .shutdown = mt2701_btmrg_shutdown,
601 .hw_params = mt2701_btmrg_hw_params,
602 };
603
604 static struct snd_soc_dai_driver mt2701_afe_pcm_dais[] = {
605 /* FE DAIs: memory intefaces to CPU */
606 {
607 .name = "PCM_multi",
608 .id = MT2701_MEMIF_DLM,
609 .suspend = mtk_afe_dai_suspend,
610 .resume = mtk_afe_dai_resume,
611 .playback = {
612 .stream_name = "DLM",
613 .channels_min = 1,
614 .channels_max = 8,
615 .rates = SNDRV_PCM_RATE_8000_192000,
616 .formats = (SNDRV_PCM_FMTBIT_S16_LE
617 | SNDRV_PCM_FMTBIT_S24_LE
618 | SNDRV_PCM_FMTBIT_S32_LE)
619
620 },
621 .ops = &mt2701_dlm_memif_dai_ops,
622 },
623 {
624 .name = "PCM0",
625 .id = MT2701_MEMIF_UL1,
626 .suspend = mtk_afe_dai_suspend,
627 .resume = mtk_afe_dai_resume,
628 .capture = {
629 .stream_name = "UL1",
630 .channels_min = 1,
631 .channels_max = 2,
632 .rates = SNDRV_PCM_RATE_8000_48000,
633 .formats = (SNDRV_PCM_FMTBIT_S16_LE
634 | SNDRV_PCM_FMTBIT_S24_LE
635 | SNDRV_PCM_FMTBIT_S32_LE)
636 },
637 .ops = &mt2701_single_memif_dai_ops,
638 },
639 {
640 .name = "PCM1",
641 .id = MT2701_MEMIF_UL2,
642 .suspend = mtk_afe_dai_suspend,
643 .resume = mtk_afe_dai_resume,
644 .capture = {
645 .stream_name = "UL2",
646 .channels_min = 1,
647 .channels_max = 2,
648 .rates = SNDRV_PCM_RATE_8000_192000,
649 .formats = (SNDRV_PCM_FMTBIT_S16_LE
650 | SNDRV_PCM_FMTBIT_S24_LE
651 | SNDRV_PCM_FMTBIT_S32_LE)
652
653 },
654 .ops = &mt2701_single_memif_dai_ops,
655 },
656 {
657 .name = "PCM_BT_DL",
658 .id = MT2701_MEMIF_DLBT,
659 .suspend = mtk_afe_dai_suspend,
660 .resume = mtk_afe_dai_resume,
661 .playback = {
662 .stream_name = "DLBT",
663 .channels_min = 1,
664 .channels_max = 1,
665 .rates = (SNDRV_PCM_RATE_8000
666 | SNDRV_PCM_RATE_16000),
667 .formats = SNDRV_PCM_FMTBIT_S16_LE,
668 },
669 .ops = &mt2701_single_memif_dai_ops,
670 },
671 {
672 .name = "PCM_BT_UL",
673 .id = MT2701_MEMIF_ULBT,
674 .suspend = mtk_afe_dai_suspend,
675 .resume = mtk_afe_dai_resume,
676 .capture = {
677 .stream_name = "ULBT",
678 .channels_min = 1,
679 .channels_max = 1,
680 .rates = (SNDRV_PCM_RATE_8000
681 | SNDRV_PCM_RATE_16000),
682 .formats = SNDRV_PCM_FMTBIT_S16_LE,
683 },
684 .ops = &mt2701_single_memif_dai_ops,
685 },
686 /* BE DAIs */
687 {
688 .name = "I2S0",
689 .id = MT2701_IO_I2S,
690 .playback = {
691 .stream_name = "I2S0 Playback",
692 .channels_min = 1,
693 .channels_max = 2,
694 .rates = SNDRV_PCM_RATE_8000_192000,
695 .formats = (SNDRV_PCM_FMTBIT_S16_LE
696 | SNDRV_PCM_FMTBIT_S24_LE
697 | SNDRV_PCM_FMTBIT_S32_LE)
698
699 },
700 .capture = {
701 .stream_name = "I2S0 Capture",
702 .channels_min = 1,
703 .channels_max = 2,
704 .rates = SNDRV_PCM_RATE_8000_192000,
705 .formats = (SNDRV_PCM_FMTBIT_S16_LE
706 | SNDRV_PCM_FMTBIT_S24_LE
707 | SNDRV_PCM_FMTBIT_S32_LE)
708
709 },
710 .ops = &mt2701_afe_i2s_ops,
711 .symmetric_rates = 1,
712 },
713 {
714 .name = "I2S1",
715 .id = MT2701_IO_2ND_I2S,
716 .playback = {
717 .stream_name = "I2S1 Playback",
718 .channels_min = 1,
719 .channels_max = 2,
720 .rates = SNDRV_PCM_RATE_8000_192000,
721 .formats = (SNDRV_PCM_FMTBIT_S16_LE
722 | SNDRV_PCM_FMTBIT_S24_LE
723 | SNDRV_PCM_FMTBIT_S32_LE)
724 },
725 .capture = {
726 .stream_name = "I2S1 Capture",
727 .channels_min = 1,
728 .channels_max = 2,
729 .rates = SNDRV_PCM_RATE_8000_192000,
730 .formats = (SNDRV_PCM_FMTBIT_S16_LE
731 | SNDRV_PCM_FMTBIT_S24_LE
732 | SNDRV_PCM_FMTBIT_S32_LE)
733 },
734 .ops = &mt2701_afe_i2s_ops,
735 .symmetric_rates = 1,
736 },
737 {
738 .name = "I2S2",
739 .id = MT2701_IO_3RD_I2S,
740 .playback = {
741 .stream_name = "I2S2 Playback",
742 .channels_min = 1,
743 .channels_max = 2,
744 .rates = SNDRV_PCM_RATE_8000_192000,
745 .formats = (SNDRV_PCM_FMTBIT_S16_LE
746 | SNDRV_PCM_FMTBIT_S24_LE
747 | SNDRV_PCM_FMTBIT_S32_LE)
748 },
749 .capture = {
750 .stream_name = "I2S2 Capture",
751 .channels_min = 1,
752 .channels_max = 2,
753 .rates = SNDRV_PCM_RATE_8000_192000,
754 .formats = (SNDRV_PCM_FMTBIT_S16_LE
755 | SNDRV_PCM_FMTBIT_S24_LE
756 | SNDRV_PCM_FMTBIT_S32_LE)
757 },
758 .ops = &mt2701_afe_i2s_ops,
759 .symmetric_rates = 1,
760 },
761 {
762 .name = "I2S3",
763 .id = MT2701_IO_4TH_I2S,
764 .playback = {
765 .stream_name = "I2S3 Playback",
766 .channels_min = 1,
767 .channels_max = 2,
768 .rates = SNDRV_PCM_RATE_8000_192000,
769 .formats = (SNDRV_PCM_FMTBIT_S16_LE
770 | SNDRV_PCM_FMTBIT_S24_LE
771 | SNDRV_PCM_FMTBIT_S32_LE)
772 },
773 .capture = {
774 .stream_name = "I2S3 Capture",
775 .channels_min = 1,
776 .channels_max = 2,
777 .rates = SNDRV_PCM_RATE_8000_192000,
778 .formats = (SNDRV_PCM_FMTBIT_S16_LE
779 | SNDRV_PCM_FMTBIT_S24_LE
780 | SNDRV_PCM_FMTBIT_S32_LE)
781 },
782 .ops = &mt2701_afe_i2s_ops,
783 .symmetric_rates = 1,
784 },
785 {
786 .name = "MRG BT",
787 .id = MT2701_IO_MRG,
788 .playback = {
789 .stream_name = "BT Playback",
790 .channels_min = 1,
791 .channels_max = 1,
792 .rates = (SNDRV_PCM_RATE_8000
793 | SNDRV_PCM_RATE_16000),
794 .formats = SNDRV_PCM_FMTBIT_S16_LE,
795 },
796 .capture = {
797 .stream_name = "BT Capture",
798 .channels_min = 1,
799 .channels_max = 1,
800 .rates = (SNDRV_PCM_RATE_8000
801 | SNDRV_PCM_RATE_16000),
802 .formats = SNDRV_PCM_FMTBIT_S16_LE,
803 },
804 .ops = &mt2701_btmrg_ops,
805 .symmetric_rates = 1,
806 }
807 };
808
809 static const struct snd_kcontrol_new mt2701_afe_o00_mix[] = {
810 SOC_DAPM_SINGLE_AUTODISABLE("I00 Switch", AFE_CONN0, 0, 1, 0),
811 };
812
813 static const struct snd_kcontrol_new mt2701_afe_o01_mix[] = {
814 SOC_DAPM_SINGLE_AUTODISABLE("I01 Switch", AFE_CONN1, 1, 1, 0),
815 };
816
817 static const struct snd_kcontrol_new mt2701_afe_o02_mix[] = {
818 SOC_DAPM_SINGLE_AUTODISABLE("I02 Switch", AFE_CONN2, 2, 1, 0),
819 };
820
821 static const struct snd_kcontrol_new mt2701_afe_o03_mix[] = {
822 SOC_DAPM_SINGLE_AUTODISABLE("I03 Switch", AFE_CONN3, 3, 1, 0),
823 };
824
825 static const struct snd_kcontrol_new mt2701_afe_o14_mix[] = {
826 SOC_DAPM_SINGLE_AUTODISABLE("I26 Switch", AFE_CONN14, 26, 1, 0),
827 };
828
829 static const struct snd_kcontrol_new mt2701_afe_o15_mix[] = {
830 SOC_DAPM_SINGLE_AUTODISABLE("I12 Switch", AFE_CONN15, 12, 1, 0),
831 };
832
833 static const struct snd_kcontrol_new mt2701_afe_o16_mix[] = {
834 SOC_DAPM_SINGLE_AUTODISABLE("I13 Switch", AFE_CONN16, 13, 1, 0),
835 };
836
837 static const struct snd_kcontrol_new mt2701_afe_o17_mix[] = {
838 SOC_DAPM_SINGLE_AUTODISABLE("I14 Switch", AFE_CONN17, 14, 1, 0),
839 };
840
841 static const struct snd_kcontrol_new mt2701_afe_o18_mix[] = {
842 SOC_DAPM_SINGLE_AUTODISABLE("I15 Switch", AFE_CONN18, 15, 1, 0),
843 };
844
845 static const struct snd_kcontrol_new mt2701_afe_o19_mix[] = {
846 SOC_DAPM_SINGLE_AUTODISABLE("I16 Switch", AFE_CONN19, 16, 1, 0),
847 };
848
849 static const struct snd_kcontrol_new mt2701_afe_o20_mix[] = {
850 SOC_DAPM_SINGLE_AUTODISABLE("I17 Switch", AFE_CONN20, 17, 1, 0),
851 };
852
853 static const struct snd_kcontrol_new mt2701_afe_o21_mix[] = {
854 SOC_DAPM_SINGLE_AUTODISABLE("I18 Switch", AFE_CONN21, 18, 1, 0),
855 };
856
857 static const struct snd_kcontrol_new mt2701_afe_o22_mix[] = {
858 SOC_DAPM_SINGLE_AUTODISABLE("I19 Switch", AFE_CONN22, 19, 1, 0),
859 };
860
861 static const struct snd_kcontrol_new mt2701_afe_o23_mix[] = {
862 SOC_DAPM_SINGLE_AUTODISABLE("I20 Switch", AFE_CONN23, 20, 1, 0),
863 };
864
865 static const struct snd_kcontrol_new mt2701_afe_o24_mix[] = {
866 SOC_DAPM_SINGLE_AUTODISABLE("I21 Switch", AFE_CONN24, 21, 1, 0),
867 };
868
869 static const struct snd_kcontrol_new mt2701_afe_o31_mix[] = {
870 SOC_DAPM_SINGLE_AUTODISABLE("I35 Switch", AFE_CONN41, 9, 1, 0),
871 };
872
873 static const struct snd_kcontrol_new mt2701_afe_i02_mix[] = {
874 SOC_DAPM_SINGLE("I2S0 Switch", SND_SOC_NOPM, 0, 1, 0),
875 };
876
877 static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s0[] = {
878 SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S0 Out Switch",
879 ASYS_I2SO1_CON, 26, 1, 0),
880 };
881
882 static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s1[] = {
883 SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S1 Out Switch",
884 ASYS_I2SO2_CON, 26, 1, 0),
885 };
886
887 static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s2[] = {
888 SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S2 Out Switch",
889 PWR2_TOP_CON, 17, 1, 0),
890 };
891
892 static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s3[] = {
893 SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S3 Out Switch",
894 PWR2_TOP_CON, 18, 1, 0),
895 };
896
897 static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s4[] = {
898 SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S4 Out Switch",
899 PWR2_TOP_CON, 19, 1, 0),
900 };
901
902 static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_asrc0[] = {
903 SOC_DAPM_SINGLE_AUTODISABLE("Asrc0 out Switch", AUDIO_TOP_CON4, 14, 1,
904 1),
905 };
906
907 static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_asrc1[] = {
908 SOC_DAPM_SINGLE_AUTODISABLE("Asrc1 out Switch", AUDIO_TOP_CON4, 15, 1,
909 1),
910 };
911
912 static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_asrc2[] = {
913 SOC_DAPM_SINGLE_AUTODISABLE("Asrc2 out Switch", PWR2_TOP_CON, 6, 1,
914 1),
915 };
916
917 static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_asrc3[] = {
918 SOC_DAPM_SINGLE_AUTODISABLE("Asrc3 out Switch", PWR2_TOP_CON, 7, 1,
919 1),
920 };
921
922 static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_asrc4[] = {
923 SOC_DAPM_SINGLE_AUTODISABLE("Asrc4 out Switch", PWR2_TOP_CON, 8, 1,
924 1),
925 };
926
927 static const struct snd_soc_dapm_widget mt2701_afe_pcm_widgets[] = {
928 /* inter-connections */
929 SND_SOC_DAPM_MIXER("I00", SND_SOC_NOPM, 0, 0, NULL, 0),
930 SND_SOC_DAPM_MIXER("I01", SND_SOC_NOPM, 0, 0, NULL, 0),
931 SND_SOC_DAPM_MIXER("I02", SND_SOC_NOPM, 0, 0, mt2701_afe_i02_mix,
932 ARRAY_SIZE(mt2701_afe_i02_mix)),
933 SND_SOC_DAPM_MIXER("I03", SND_SOC_NOPM, 0, 0, NULL, 0),
934 SND_SOC_DAPM_MIXER("I12", SND_SOC_NOPM, 0, 0, NULL, 0),
935 SND_SOC_DAPM_MIXER("I13", SND_SOC_NOPM, 0, 0, NULL, 0),
936 SND_SOC_DAPM_MIXER("I14", SND_SOC_NOPM, 0, 0, NULL, 0),
937 SND_SOC_DAPM_MIXER("I15", SND_SOC_NOPM, 0, 0, NULL, 0),
938 SND_SOC_DAPM_MIXER("I16", SND_SOC_NOPM, 0, 0, NULL, 0),
939 SND_SOC_DAPM_MIXER("I17", SND_SOC_NOPM, 0, 0, NULL, 0),
940 SND_SOC_DAPM_MIXER("I18", SND_SOC_NOPM, 0, 0, NULL, 0),
941 SND_SOC_DAPM_MIXER("I19", SND_SOC_NOPM, 0, 0, NULL, 0),
942 SND_SOC_DAPM_MIXER("I26", SND_SOC_NOPM, 0, 0, NULL, 0),
943 SND_SOC_DAPM_MIXER("I35", SND_SOC_NOPM, 0, 0, NULL, 0),
944
945 SND_SOC_DAPM_MIXER("O00", SND_SOC_NOPM, 0, 0, mt2701_afe_o00_mix,
946 ARRAY_SIZE(mt2701_afe_o00_mix)),
947 SND_SOC_DAPM_MIXER("O01", SND_SOC_NOPM, 0, 0, mt2701_afe_o01_mix,
948 ARRAY_SIZE(mt2701_afe_o01_mix)),
949 SND_SOC_DAPM_MIXER("O02", SND_SOC_NOPM, 0, 0, mt2701_afe_o02_mix,
950 ARRAY_SIZE(mt2701_afe_o02_mix)),
951 SND_SOC_DAPM_MIXER("O03", SND_SOC_NOPM, 0, 0, mt2701_afe_o03_mix,
952 ARRAY_SIZE(mt2701_afe_o03_mix)),
953 SND_SOC_DAPM_MIXER("O14", SND_SOC_NOPM, 0, 0, mt2701_afe_o14_mix,
954 ARRAY_SIZE(mt2701_afe_o14_mix)),
955 SND_SOC_DAPM_MIXER("O15", SND_SOC_NOPM, 0, 0, mt2701_afe_o15_mix,
956 ARRAY_SIZE(mt2701_afe_o15_mix)),
957 SND_SOC_DAPM_MIXER("O16", SND_SOC_NOPM, 0, 0, mt2701_afe_o16_mix,
958 ARRAY_SIZE(mt2701_afe_o16_mix)),
959 SND_SOC_DAPM_MIXER("O17", SND_SOC_NOPM, 0, 0, mt2701_afe_o17_mix,
960 ARRAY_SIZE(mt2701_afe_o17_mix)),
961 SND_SOC_DAPM_MIXER("O18", SND_SOC_NOPM, 0, 0, mt2701_afe_o18_mix,
962 ARRAY_SIZE(mt2701_afe_o18_mix)),
963 SND_SOC_DAPM_MIXER("O19", SND_SOC_NOPM, 0, 0, mt2701_afe_o19_mix,
964 ARRAY_SIZE(mt2701_afe_o19_mix)),
965 SND_SOC_DAPM_MIXER("O20", SND_SOC_NOPM, 0, 0, mt2701_afe_o20_mix,
966 ARRAY_SIZE(mt2701_afe_o20_mix)),
967 SND_SOC_DAPM_MIXER("O21", SND_SOC_NOPM, 0, 0, mt2701_afe_o21_mix,
968 ARRAY_SIZE(mt2701_afe_o21_mix)),
969 SND_SOC_DAPM_MIXER("O22", SND_SOC_NOPM, 0, 0, mt2701_afe_o22_mix,
970 ARRAY_SIZE(mt2701_afe_o22_mix)),
971 SND_SOC_DAPM_MIXER("O31", SND_SOC_NOPM, 0, 0, mt2701_afe_o31_mix,
972 ARRAY_SIZE(mt2701_afe_o31_mix)),
973
974 SND_SOC_DAPM_MIXER("I12I13", SND_SOC_NOPM, 0, 0,
975 mt2701_afe_multi_ch_out_i2s0,
976 ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s0)),
977 SND_SOC_DAPM_MIXER("I14I15", SND_SOC_NOPM, 0, 0,
978 mt2701_afe_multi_ch_out_i2s1,
979 ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s1)),
980 SND_SOC_DAPM_MIXER("I16I17", SND_SOC_NOPM, 0, 0,
981 mt2701_afe_multi_ch_out_i2s2,
982 ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s2)),
983 SND_SOC_DAPM_MIXER("I18I19", SND_SOC_NOPM, 0, 0,
984 mt2701_afe_multi_ch_out_i2s3,
985 ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s3)),
986
987 SND_SOC_DAPM_MIXER("ASRC_O0", SND_SOC_NOPM, 0, 0,
988 mt2701_afe_multi_ch_out_asrc0,
989 ARRAY_SIZE(mt2701_afe_multi_ch_out_asrc0)),
990 SND_SOC_DAPM_MIXER("ASRC_O1", SND_SOC_NOPM, 0, 0,
991 mt2701_afe_multi_ch_out_asrc1,
992 ARRAY_SIZE(mt2701_afe_multi_ch_out_asrc1)),
993 SND_SOC_DAPM_MIXER("ASRC_O2", SND_SOC_NOPM, 0, 0,
994 mt2701_afe_multi_ch_out_asrc2,
995 ARRAY_SIZE(mt2701_afe_multi_ch_out_asrc2)),
996 SND_SOC_DAPM_MIXER("ASRC_O3", SND_SOC_NOPM, 0, 0,
997 mt2701_afe_multi_ch_out_asrc3,
998 ARRAY_SIZE(mt2701_afe_multi_ch_out_asrc3)),
999 };
1000
1001 static const struct snd_soc_dapm_route mt2701_afe_pcm_routes[] = {
1002 {"I12", NULL, "DL1"},
1003 {"I13", NULL, "DL1"},
1004 {"I35", NULL, "DLBT"},
1005
1006 {"I2S0 Playback", NULL, "O15"},
1007 {"I2S0 Playback", NULL, "O16"},
1008
1009 {"I2S1 Playback", NULL, "O17"},
1010 {"I2S1 Playback", NULL, "O18"},
1011 {"I2S2 Playback", NULL, "O19"},
1012 {"I2S2 Playback", NULL, "O20"},
1013 {"I2S3 Playback", NULL, "O21"},
1014 {"I2S3 Playback", NULL, "O22"},
1015 {"BT Playback", NULL, "O31"},
1016
1017 {"UL1", NULL, "O00"},
1018 {"UL1", NULL, "O01"},
1019 {"UL2", NULL, "O02"},
1020 {"UL2", NULL, "O03"},
1021 {"ULBT", NULL, "O14"},
1022
1023 {"I00", NULL, "I2S0 Capture"},
1024 {"I01", NULL, "I2S0 Capture"},
1025
1026 {"I02", NULL, "I2S1 Capture"},
1027 {"I03", NULL, "I2S1 Capture"},
1028 /* I02,03 link to UL2, also need to open I2S0 */
1029 {"I02", "I2S0 Switch", "I2S0 Capture"},
1030
1031 {"I26", NULL, "BT Capture"},
1032
1033 {"ASRC_O0", "Asrc0 out Switch", "DLM"},
1034 {"ASRC_O1", "Asrc1 out Switch", "DLM"},
1035 {"ASRC_O2", "Asrc2 out Switch", "DLM"},
1036 {"ASRC_O3", "Asrc3 out Switch", "DLM"},
1037
1038 {"I12I13", "Multich I2S0 Out Switch", "ASRC_O0"},
1039 {"I14I15", "Multich I2S1 Out Switch", "ASRC_O1"},
1040 {"I16I17", "Multich I2S2 Out Switch", "ASRC_O2"},
1041 {"I18I19", "Multich I2S3 Out Switch", "ASRC_O3"},
1042
1043 { "I12", NULL, "I12I13" },
1044 { "I13", NULL, "I12I13" },
1045 { "I14", NULL, "I14I15" },
1046 { "I15", NULL, "I14I15" },
1047 { "I16", NULL, "I16I17" },
1048 { "I17", NULL, "I16I17" },
1049 { "I18", NULL, "I18I19" },
1050 { "I19", NULL, "I18I19" },
1051
1052 { "O00", "I00 Switch", "I00" },
1053 { "O01", "I01 Switch", "I01" },
1054 { "O02", "I02 Switch", "I02" },
1055 { "O03", "I03 Switch", "I03" },
1056 { "O14", "I26 Switch", "I26" },
1057 { "O15", "I12 Switch", "I12" },
1058 { "O16", "I13 Switch", "I13" },
1059 { "O17", "I14 Switch", "I14" },
1060 { "O18", "I15 Switch", "I15" },
1061 { "O19", "I16 Switch", "I16" },
1062 { "O20", "I17 Switch", "I17" },
1063 { "O21", "I18 Switch", "I18" },
1064 { "O22", "I19 Switch", "I19" },
1065 { "O31", "I35 Switch", "I35" },
1066
1067 };
1068
1069 static const struct snd_soc_component_driver mt2701_afe_pcm_dai_component = {
1070 .name = "mt2701-afe-pcm-dai",
1071 .dapm_widgets = mt2701_afe_pcm_widgets,
1072 .num_dapm_widgets = ARRAY_SIZE(mt2701_afe_pcm_widgets),
1073 .dapm_routes = mt2701_afe_pcm_routes,
1074 .num_dapm_routes = ARRAY_SIZE(mt2701_afe_pcm_routes),
1075 };
1076
1077 static const struct mtk_base_memif_data memif_data[MT2701_MEMIF_NUM] = {
1078 {
1079 .name = "DL1",
1080 .id = MT2701_MEMIF_DL1,
1081 .reg_ofs_base = AFE_DL1_BASE,
1082 .reg_ofs_cur = AFE_DL1_CUR,
1083 .fs_reg = AFE_DAC_CON1,
1084 .fs_shift = 0,
1085 .fs_maskbit = 0x1f,
1086 .mono_reg = AFE_DAC_CON3,
1087 .mono_shift = 16,
1088 .enable_reg = AFE_DAC_CON0,
1089 .enable_shift = 1,
1090 .hd_reg = AFE_MEMIF_HD_CON0,
1091 .hd_shift = 0,
1092 .agent_disable_reg = AUDIO_TOP_CON5,
1093 .agent_disable_shift = 6,
1094 .msb_reg = -1,
1095 .msb_shift = -1,
1096 },
1097 {
1098 .name = "DL2",
1099 .id = MT2701_MEMIF_DL2,
1100 .reg_ofs_base = AFE_DL2_BASE,
1101 .reg_ofs_cur = AFE_DL2_CUR,
1102 .fs_reg = AFE_DAC_CON1,
1103 .fs_shift = 5,
1104 .fs_maskbit = 0x1f,
1105 .mono_reg = AFE_DAC_CON3,
1106 .mono_shift = 17,
1107 .enable_reg = AFE_DAC_CON0,
1108 .enable_shift = 2,
1109 .hd_reg = AFE_MEMIF_HD_CON0,
1110 .hd_shift = 2,
1111 .agent_disable_reg = AUDIO_TOP_CON5,
1112 .agent_disable_shift = 7,
1113 .msb_reg = -1,
1114 .msb_shift = -1,
1115 },
1116 {
1117 .name = "DL3",
1118 .id = MT2701_MEMIF_DL3,
1119 .reg_ofs_base = AFE_DL3_BASE,
1120 .reg_ofs_cur = AFE_DL3_CUR,
1121 .fs_reg = AFE_DAC_CON1,
1122 .fs_shift = 10,
1123 .fs_maskbit = 0x1f,
1124 .mono_reg = AFE_DAC_CON3,
1125 .mono_shift = 18,
1126 .enable_reg = AFE_DAC_CON0,
1127 .enable_shift = 3,
1128 .hd_reg = AFE_MEMIF_HD_CON0,
1129 .hd_shift = 4,
1130 .agent_disable_reg = AUDIO_TOP_CON5,
1131 .agent_disable_shift = 8,
1132 .msb_reg = -1,
1133 .msb_shift = -1,
1134 },
1135 {
1136 .name = "DL4",
1137 .id = MT2701_MEMIF_DL4,
1138 .reg_ofs_base = AFE_DL4_BASE,
1139 .reg_ofs_cur = AFE_DL4_CUR,
1140 .fs_reg = AFE_DAC_CON1,
1141 .fs_shift = 15,
1142 .fs_maskbit = 0x1f,
1143 .mono_reg = AFE_DAC_CON3,
1144 .mono_shift = 19,
1145 .enable_reg = AFE_DAC_CON0,
1146 .enable_shift = 4,
1147 .hd_reg = AFE_MEMIF_HD_CON0,
1148 .hd_shift = 6,
1149 .agent_disable_reg = AUDIO_TOP_CON5,
1150 .agent_disable_shift = 9,
1151 .msb_reg = -1,
1152 .msb_shift = -1,
1153 },
1154 {
1155 .name = "DL5",
1156 .id = MT2701_MEMIF_DL5,
1157 .reg_ofs_base = AFE_DL5_BASE,
1158 .reg_ofs_cur = AFE_DL5_CUR,
1159 .fs_reg = AFE_DAC_CON1,
1160 .fs_shift = 20,
1161 .fs_maskbit = 0x1f,
1162 .mono_reg = AFE_DAC_CON3,
1163 .mono_shift = 20,
1164 .enable_reg = AFE_DAC_CON0,
1165 .enable_shift = 5,
1166 .hd_reg = AFE_MEMIF_HD_CON0,
1167 .hd_shift = 8,
1168 .agent_disable_reg = AUDIO_TOP_CON5,
1169 .agent_disable_shift = 10,
1170 .msb_reg = -1,
1171 .msb_shift = -1,
1172 },
1173 {
1174 .name = "DLM",
1175 .id = MT2701_MEMIF_DLM,
1176 .reg_ofs_base = AFE_DLMCH_BASE,
1177 .reg_ofs_cur = AFE_DLMCH_CUR,
1178 .fs_reg = AFE_DAC_CON1,
1179 .fs_shift = 0,
1180 .fs_maskbit = 0x1f,
1181 .mono_reg = -1,
1182 .mono_shift = -1,
1183 .enable_reg = AFE_DAC_CON0,
1184 .enable_shift = 7,
1185 .hd_reg = AFE_MEMIF_PBUF_SIZE,
1186 .hd_shift = 28,
1187 .agent_disable_reg = AUDIO_TOP_CON5,
1188 .agent_disable_shift = 12,
1189 .msb_reg = -1,
1190 .msb_shift = -1,
1191 },
1192 {
1193 .name = "UL1",
1194 .id = MT2701_MEMIF_UL1,
1195 .reg_ofs_base = AFE_VUL_BASE,
1196 .reg_ofs_cur = AFE_VUL_CUR,
1197 .fs_reg = AFE_DAC_CON2,
1198 .fs_shift = 0,
1199 .fs_maskbit = 0x1f,
1200 .mono_reg = AFE_DAC_CON4,
1201 .mono_shift = 0,
1202 .enable_reg = AFE_DAC_CON0,
1203 .enable_shift = 10,
1204 .hd_reg = AFE_MEMIF_HD_CON1,
1205 .hd_shift = 0,
1206 .agent_disable_reg = AUDIO_TOP_CON5,
1207 .agent_disable_shift = 0,
1208 .msb_reg = -1,
1209 .msb_shift = -1,
1210 },
1211 {
1212 .name = "UL2",
1213 .id = MT2701_MEMIF_UL2,
1214 .reg_ofs_base = AFE_UL2_BASE,
1215 .reg_ofs_cur = AFE_UL2_CUR,
1216 .fs_reg = AFE_DAC_CON2,
1217 .fs_shift = 5,
1218 .fs_maskbit = 0x1f,
1219 .mono_reg = AFE_DAC_CON4,
1220 .mono_shift = 2,
1221 .enable_reg = AFE_DAC_CON0,
1222 .enable_shift = 11,
1223 .hd_reg = AFE_MEMIF_HD_CON1,
1224 .hd_shift = 2,
1225 .agent_disable_reg = AUDIO_TOP_CON5,
1226 .agent_disable_shift = 1,
1227 .msb_reg = -1,
1228 .msb_shift = -1,
1229 },
1230 {
1231 .name = "UL3",
1232 .id = MT2701_MEMIF_UL3,
1233 .reg_ofs_base = AFE_UL3_BASE,
1234 .reg_ofs_cur = AFE_UL3_CUR,
1235 .fs_reg = AFE_DAC_CON2,
1236 .fs_shift = 10,
1237 .fs_maskbit = 0x1f,
1238 .mono_reg = AFE_DAC_CON4,
1239 .mono_shift = 4,
1240 .enable_reg = AFE_DAC_CON0,
1241 .enable_shift = 12,
1242 .hd_reg = AFE_MEMIF_HD_CON0,
1243 .hd_shift = 0,
1244 .agent_disable_reg = AUDIO_TOP_CON5,
1245 .agent_disable_shift = 2,
1246 .msb_reg = -1,
1247 .msb_shift = -1,
1248 },
1249 {
1250 .name = "UL4",
1251 .id = MT2701_MEMIF_UL4,
1252 .reg_ofs_base = AFE_UL4_BASE,
1253 .reg_ofs_cur = AFE_UL4_CUR,
1254 .fs_reg = AFE_DAC_CON2,
1255 .fs_shift = 15,
1256 .fs_maskbit = 0x1f,
1257 .mono_reg = AFE_DAC_CON4,
1258 .mono_shift = 6,
1259 .enable_reg = AFE_DAC_CON0,
1260 .enable_shift = 13,
1261 .hd_reg = AFE_MEMIF_HD_CON0,
1262 .hd_shift = 6,
1263 .agent_disable_reg = AUDIO_TOP_CON5,
1264 .agent_disable_shift = 3,
1265 .msb_reg = -1,
1266 .msb_shift = -1,
1267 },
1268 {
1269 .name = "UL5",
1270 .id = MT2701_MEMIF_UL5,
1271 .reg_ofs_base = AFE_UL5_BASE,
1272 .reg_ofs_cur = AFE_UL5_CUR,
1273 .fs_reg = AFE_DAC_CON2,
1274 .fs_shift = 20,
1275 .mono_reg = AFE_DAC_CON4,
1276 .mono_shift = 8,
1277 .fs_maskbit = 0x1f,
1278 .enable_reg = AFE_DAC_CON0,
1279 .enable_shift = 14,
1280 .hd_reg = AFE_MEMIF_HD_CON0,
1281 .hd_shift = 8,
1282 .agent_disable_reg = AUDIO_TOP_CON5,
1283 .agent_disable_shift = 4,
1284 .msb_reg = -1,
1285 .msb_shift = -1,
1286 },
1287 {
1288 .name = "DLBT",
1289 .id = MT2701_MEMIF_DLBT,
1290 .reg_ofs_base = AFE_ARB1_BASE,
1291 .reg_ofs_cur = AFE_ARB1_CUR,
1292 .fs_reg = AFE_DAC_CON3,
1293 .fs_shift = 10,
1294 .fs_maskbit = 0x1f,
1295 .mono_reg = AFE_DAC_CON3,
1296 .mono_shift = 22,
1297 .enable_reg = AFE_DAC_CON0,
1298 .enable_shift = 8,
1299 .hd_reg = AFE_MEMIF_HD_CON0,
1300 .hd_shift = 14,
1301 .agent_disable_reg = AUDIO_TOP_CON5,
1302 .agent_disable_shift = 13,
1303 .msb_reg = -1,
1304 .msb_shift = -1,
1305 },
1306 {
1307 .name = "ULBT",
1308 .id = MT2701_MEMIF_ULBT,
1309 .reg_ofs_base = AFE_DAI_BASE,
1310 .reg_ofs_cur = AFE_DAI_CUR,
1311 .fs_reg = AFE_DAC_CON2,
1312 .fs_shift = 30,
1313 .fs_maskbit = 0x1,
1314 .mono_reg = -1,
1315 .mono_shift = -1,
1316 .enable_reg = AFE_DAC_CON0,
1317 .enable_shift = 17,
1318 .hd_reg = AFE_MEMIF_HD_CON1,
1319 .hd_shift = 20,
1320 .agent_disable_reg = AUDIO_TOP_CON5,
1321 .agent_disable_shift = 16,
1322 .msb_reg = -1,
1323 .msb_shift = -1,
1324 },
1325 };
1326
1327 static const struct mtk_base_irq_data irq_data[MT2701_IRQ_ASYS_END] = {
1328 {
1329 .id = MT2701_IRQ_ASYS_IRQ1,
1330 .irq_cnt_reg = ASYS_IRQ1_CON,
1331 .irq_cnt_shift = 0,
1332 .irq_cnt_maskbit = 0xffffff,
1333 .irq_fs_reg = ASYS_IRQ1_CON,
1334 .irq_fs_shift = 24,
1335 .irq_fs_maskbit = 0x1f,
1336 .irq_en_reg = ASYS_IRQ1_CON,
1337 .irq_en_shift = 31,
1338 .irq_clr_reg = ASYS_IRQ_CLR,
1339 .irq_clr_shift = 0,
1340 },
1341 {
1342 .id = MT2701_IRQ_ASYS_IRQ2,
1343 .irq_cnt_reg = ASYS_IRQ2_CON,
1344 .irq_cnt_shift = 0,
1345 .irq_cnt_maskbit = 0xffffff,
1346 .irq_fs_reg = ASYS_IRQ2_CON,
1347 .irq_fs_shift = 24,
1348 .irq_fs_maskbit = 0x1f,
1349 .irq_en_reg = ASYS_IRQ2_CON,
1350 .irq_en_shift = 31,
1351 .irq_clr_reg = ASYS_IRQ_CLR,
1352 .irq_clr_shift = 1,
1353 },
1354 {
1355 .id = MT2701_IRQ_ASYS_IRQ3,
1356 .irq_cnt_reg = ASYS_IRQ3_CON,
1357 .irq_cnt_shift = 0,
1358 .irq_cnt_maskbit = 0xffffff,
1359 .irq_fs_reg = ASYS_IRQ3_CON,
1360 .irq_fs_shift = 24,
1361 .irq_fs_maskbit = 0x1f,
1362 .irq_en_reg = ASYS_IRQ3_CON,
1363 .irq_en_shift = 31,
1364 .irq_clr_reg = ASYS_IRQ_CLR,
1365 .irq_clr_shift = 2,
1366 }
1367 };
1368
1369 static const struct mt2701_i2s_data mt2701_i2s_data[MT2701_I2S_NUM][2] = {
1370 {
1371 {
1372 .i2s_ctrl_reg = ASYS_I2SO1_CON,
1373 .i2s_pwn_shift = 6,
1374 .i2s_asrc_fs_shift = 0,
1375 .i2s_asrc_fs_mask = 0x1f,
1376
1377 },
1378 {
1379 .i2s_ctrl_reg = ASYS_I2SIN1_CON,
1380 .i2s_pwn_shift = 0,
1381 .i2s_asrc_fs_shift = 0,
1382 .i2s_asrc_fs_mask = 0x1f,
1383
1384 },
1385 },
1386 {
1387 {
1388 .i2s_ctrl_reg = ASYS_I2SO2_CON,
1389 .i2s_pwn_shift = 7,
1390 .i2s_asrc_fs_shift = 5,
1391 .i2s_asrc_fs_mask = 0x1f,
1392
1393 },
1394 {
1395 .i2s_ctrl_reg = ASYS_I2SIN2_CON,
1396 .i2s_pwn_shift = 1,
1397 .i2s_asrc_fs_shift = 5,
1398 .i2s_asrc_fs_mask = 0x1f,
1399
1400 },
1401 },
1402 {
1403 {
1404 .i2s_ctrl_reg = ASYS_I2SO3_CON,
1405 .i2s_pwn_shift = 8,
1406 .i2s_asrc_fs_shift = 10,
1407 .i2s_asrc_fs_mask = 0x1f,
1408
1409 },
1410 {
1411 .i2s_ctrl_reg = ASYS_I2SIN3_CON,
1412 .i2s_pwn_shift = 2,
1413 .i2s_asrc_fs_shift = 10,
1414 .i2s_asrc_fs_mask = 0x1f,
1415
1416 },
1417 },
1418 {
1419 {
1420 .i2s_ctrl_reg = ASYS_I2SO4_CON,
1421 .i2s_pwn_shift = 9,
1422 .i2s_asrc_fs_shift = 15,
1423 .i2s_asrc_fs_mask = 0x1f,
1424
1425 },
1426 {
1427 .i2s_ctrl_reg = ASYS_I2SIN4_CON,
1428 .i2s_pwn_shift = 3,
1429 .i2s_asrc_fs_shift = 15,
1430 .i2s_asrc_fs_mask = 0x1f,
1431
1432 },
1433 },
1434 };
1435
1436 static const struct regmap_config mt2701_afe_regmap_config = {
1437 .reg_bits = 32,
1438 .reg_stride = 4,
1439 .val_bits = 32,
1440 .max_register = AFE_END_ADDR,
1441 .cache_type = REGCACHE_NONE,
1442 };
1443
1444 static irqreturn_t mt2701_asys_isr(int irq_id, void *dev)
1445 {
1446 int id;
1447 struct mtk_base_afe *afe = dev;
1448 struct mtk_base_afe_memif *memif;
1449 struct mtk_base_afe_irq *irq;
1450 u32 status;
1451
1452 regmap_read(afe->regmap, ASYS_IRQ_STATUS, &status);
1453 regmap_write(afe->regmap, ASYS_IRQ_CLR, status);
1454
1455 for (id = 0; id < MT2701_MEMIF_NUM; ++id) {
1456 memif = &afe->memif[id];
1457 if (memif->irq_usage < 0)
1458 continue;
1459 irq = &afe->irqs[memif->irq_usage];
1460 if (status & 1 << (irq->irq_data->irq_clr_shift))
1461 snd_pcm_period_elapsed(memif->substream);
1462 }
1463 return IRQ_HANDLED;
1464 }
1465
1466 static int mt2701_afe_runtime_suspend(struct device *dev)
1467 {
1468 struct mtk_base_afe *afe = dev_get_drvdata(dev);
1469
1470 mt2701_afe_disable_clock(afe);
1471 return 0;
1472 }
1473
1474 static int mt2701_afe_runtime_resume(struct device *dev)
1475 {
1476 struct mtk_base_afe *afe = dev_get_drvdata(dev);
1477
1478 return mt2701_afe_enable_clock(afe);
1479 }
1480
1481 static int mt2701_afe_pcm_dev_probe(struct platform_device *pdev)
1482 {
1483 int ret, i;
1484 unsigned int irq_id;
1485 struct mtk_base_afe *afe;
1486 struct mt2701_afe_private *afe_priv;
1487 struct resource *res;
1488 struct device *dev;
1489
1490 ret = 0;
1491 afe = devm_kzalloc(&pdev->dev, sizeof(*afe), GFP_KERNEL);
1492 if (!afe)
1493 return -ENOMEM;
1494 afe->platform_priv = devm_kzalloc(&pdev->dev, sizeof(*afe_priv),
1495 GFP_KERNEL);
1496 if (!afe->platform_priv)
1497 return -ENOMEM;
1498 afe_priv = afe->platform_priv;
1499
1500 afe->dev = &pdev->dev;
1501 dev = afe->dev;
1502
1503 irq_id = platform_get_irq(pdev, 0);
1504 if (!irq_id) {
1505 dev_err(dev, "%s no irq found\n", dev->of_node->name);
1506 return -ENXIO;
1507 }
1508 ret = devm_request_irq(dev, irq_id, mt2701_asys_isr,
1509 IRQF_TRIGGER_NONE, "asys-isr", (void *)afe);
1510 if (ret) {
1511 dev_err(dev, "could not request_irq for asys-isr\n");
1512 return ret;
1513 }
1514
1515 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1516
1517 afe->base_addr = devm_ioremap_resource(&pdev->dev, res);
1518
1519 if (IS_ERR(afe->base_addr))
1520 return PTR_ERR(afe->base_addr);
1521
1522 afe->regmap = devm_regmap_init_mmio(&pdev->dev, afe->base_addr,
1523 &mt2701_afe_regmap_config);
1524 if (IS_ERR(afe->regmap))
1525 return PTR_ERR(afe->regmap);
1526
1527 mutex_init(&afe->irq_alloc_lock);
1528
1529 /* memif initialize */
1530 afe->memif_size = MT2701_MEMIF_NUM;
1531 afe->memif = devm_kcalloc(dev, afe->memif_size, sizeof(*afe->memif),
1532 GFP_KERNEL);
1533
1534 if (!afe->memif)
1535 return -ENOMEM;
1536
1537 for (i = 0; i < afe->memif_size; i++) {
1538 afe->memif[i].data = &memif_data[i];
1539 afe->memif[i].irq_usage = -1;
1540 }
1541
1542 /* irq initialize */
1543 afe->irqs_size = MT2701_IRQ_ASYS_END;
1544 afe->irqs = devm_kcalloc(dev, afe->irqs_size, sizeof(*afe->irqs),
1545 GFP_KERNEL);
1546
1547 if (!afe->irqs)
1548 return -ENOMEM;
1549
1550 for (i = 0; i < afe->irqs_size; i++)
1551 afe->irqs[i].irq_data = &irq_data[i];
1552
1553 /* I2S initialize */
1554 for (i = 0; i < MT2701_I2S_NUM; i++) {
1555 afe_priv->i2s_path[i].i2s_data[I2S_OUT]
1556 = &mt2701_i2s_data[i][I2S_OUT];
1557 afe_priv->i2s_path[i].i2s_data[I2S_IN]
1558 = &mt2701_i2s_data[i][I2S_IN];
1559 }
1560
1561 afe->mtk_afe_hardware = &mt2701_afe_hardware;
1562 afe->memif_fs = mt2701_memif_fs;
1563 afe->irq_fs = mt2701_irq_fs;
1564
1565 afe->reg_back_up_list = mt2701_afe_backup_list;
1566 afe->reg_back_up_list_num = ARRAY_SIZE(mt2701_afe_backup_list);
1567 afe->runtime_resume = mt2701_afe_runtime_resume;
1568 afe->runtime_suspend = mt2701_afe_runtime_suspend;
1569
1570 /* initial audio related clock */
1571 ret = mt2701_init_clock(afe);
1572 if (ret) {
1573 dev_err(dev, "init clock error\n");
1574 return ret;
1575 }
1576
1577 platform_set_drvdata(pdev, afe);
1578 pm_runtime_enable(&pdev->dev);
1579 if (!pm_runtime_enabled(&pdev->dev))
1580 goto err_pm_disable;
1581
1582 ret = snd_soc_register_platform(&pdev->dev, &mtk_afe_pcm_platform);
1583 if (ret) {
1584 dev_warn(dev, "err_platform\n");
1585 goto err_platform;
1586 }
1587
1588 ret = snd_soc_register_component(&pdev->dev,
1589 &mt2701_afe_pcm_dai_component,
1590 mt2701_afe_pcm_dais,
1591 ARRAY_SIZE(mt2701_afe_pcm_dais));
1592 if (ret) {
1593 dev_warn(dev, "err_dai_component\n");
1594 goto err_dai_component;
1595 }
1596
1597 mt2701_afe_runtime_resume(&pdev->dev);
1598
1599 return 0;
1600
1601 err_dai_component:
1602 snd_soc_unregister_component(&pdev->dev);
1603
1604 err_platform:
1605 snd_soc_unregister_platform(&pdev->dev);
1606
1607 err_pm_disable:
1608 pm_runtime_disable(&pdev->dev);
1609
1610 return ret;
1611 }
1612
1613 static int mt2701_afe_pcm_dev_remove(struct platform_device *pdev)
1614 {
1615 struct mtk_base_afe *afe = platform_get_drvdata(pdev);
1616
1617 pm_runtime_disable(&pdev->dev);
1618 if (!pm_runtime_status_suspended(&pdev->dev))
1619 mt2701_afe_runtime_suspend(&pdev->dev);
1620
1621 snd_soc_unregister_component(&pdev->dev);
1622 snd_soc_unregister_platform(&pdev->dev);
1623 /* disable afe clock */
1624 mt2701_afe_disable_clock(afe);
1625 return 0;
1626 }
1627
1628 static const struct of_device_id mt2701_afe_pcm_dt_match[] = {
1629 { .compatible = "mediatek,mt2701-audio", },
1630 {},
1631 };
1632 MODULE_DEVICE_TABLE(of, mt2701_afe_pcm_dt_match);
1633
1634 static const struct dev_pm_ops mt2701_afe_pm_ops = {
1635 SET_RUNTIME_PM_OPS(mt2701_afe_runtime_suspend,
1636 mt2701_afe_runtime_resume, NULL)
1637 };
1638
1639 static struct platform_driver mt2701_afe_pcm_driver = {
1640 .driver = {
1641 .name = "mt2701-audio",
1642 .of_match_table = mt2701_afe_pcm_dt_match,
1643 #ifdef CONFIG_PM
1644 .pm = &mt2701_afe_pm_ops,
1645 #endif
1646 },
1647 .probe = mt2701_afe_pcm_dev_probe,
1648 .remove = mt2701_afe_pcm_dev_remove,
1649 };
1650
1651 module_platform_driver(mt2701_afe_pcm_driver);
1652
1653 MODULE_DESCRIPTION("Mediatek ALSA SoC AFE platform driver for 2701");
1654 MODULE_AUTHOR("Garlic Tseng <garlic.tseng@mediatek.com>");
1655 MODULE_LICENSE("GPL v2");
1656
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