1 // SPDX-License-Identifier: GPL-2.0
3 // Freescale Generic ASoC Sound Card driver with ASRC
5 // Copyright (C) 2014 Freescale Semiconductor, Inc.
7 // Author: Nicolin Chen <nicoleotsuka@gmail.com>
10 #include <linux/i2c.h>
11 #include <linux/module.h>
12 #include <linux/of_platform.h>
13 #if IS_ENABLED(CONFIG_SND_AC97_CODEC)
14 #include <sound/ac97_codec.h>
16 #include <sound/pcm_params.h>
17 #include <sound/soc.h>
21 #include "imx-audmux.h"
23 #include "../codecs/sgtl5000.h"
24 #include "../codecs/wm8962.h"
25 #include "../codecs/wm8960.h"
27 #define CS427x_SYSCLK_MCLK 0
32 /* Default DAI format without Master and Slave flag */
33 #define DAI_FMT_BASE (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF)
38 * @mclk_freq: Clock rate of MCLK
39 * @mclk_id: MCLK (or main clock) id for set_sysclk()
40 * @fll_id: FLL (or secordary clock) id for set_sysclk()
41 * @pll_id: PLL id for set_pll()
44 unsigned long mclk_freq;
53 * @sysclk_freq[2]: SYSCLK rates for set_sysclk()
54 * @sysclk_dir[2]: SYSCLK directions for set_sysclk()
55 * @sysclk_id[2]: SYSCLK ids for set_sysclk()
56 * @slot_width: Slot width of each frame
58 * Note: [1] for tx and [0] for rx
61 unsigned long sysclk_freq[2];
68 * Freescale Generic ASOC card private data
70 * @dai_link[3]: DAI link structure including normal one and DPCM link
71 * @pdev: platform device pointer
72 * @codec_priv: CODEC private data
73 * @cpu_priv: CPU private data
74 * @card: ASoC card structure
75 * @sample_rate: Current sample rate
76 * @sample_format: Current sample format
77 * @asrc_rate: ASRC sample rate used by Back-Ends
78 * @asrc_format: ASRC sample format used by Back-Ends
79 * @dai_fmt: DAI format between CPU and CODEC
83 struct fsl_asoc_card_priv {
84 struct snd_soc_dai_link dai_link[3];
85 struct platform_device *pdev;
86 struct codec_priv codec_priv;
87 struct cpu_priv cpu_priv;
88 struct snd_soc_card card;
90 snd_pcm_format_t sample_format;
92 snd_pcm_format_t asrc_format;
98 * This dapm route map exsits for DPCM link only.
99 * The other routes shall go through Device Tree.
101 * Note: keep all ASRC routes in the second half
102 * to drop them easily for non-ASRC cases.
104 static const struct snd_soc_dapm_route audio_map[] = {
105 /* 1st half -- Normal DAPM routes */
106 {"Playback", NULL, "CPU-Playback"},
107 {"CPU-Capture", NULL, "Capture"},
108 /* 2nd half -- ASRC DAPM routes */
109 {"CPU-Playback", NULL, "ASRC-Playback"},
110 {"ASRC-Capture", NULL, "CPU-Capture"},
113 static const struct snd_soc_dapm_route audio_map_ac97[] = {
114 /* 1st half -- Normal DAPM routes */
115 {"Playback", NULL, "AC97 Playback"},
116 {"AC97 Capture", NULL, "Capture"},
117 /* 2nd half -- ASRC DAPM routes */
118 {"AC97 Playback", NULL, "ASRC-Playback"},
119 {"ASRC-Capture", NULL, "AC97 Capture"},
122 /* Add all possible widgets into here without being redundant */
123 static const struct snd_soc_dapm_widget fsl_asoc_card_dapm_widgets[] = {
124 SND_SOC_DAPM_LINE("Line Out Jack", NULL),
125 SND_SOC_DAPM_LINE("Line In Jack", NULL),
126 SND_SOC_DAPM_HP("Headphone Jack", NULL),
127 SND_SOC_DAPM_SPK("Ext Spk", NULL),
128 SND_SOC_DAPM_MIC("Mic Jack", NULL),
129 SND_SOC_DAPM_MIC("AMIC", NULL),
130 SND_SOC_DAPM_MIC("DMIC", NULL),
133 static bool fsl_asoc_card_is_ac97(struct fsl_asoc_card_priv *priv)
135 return priv->dai_fmt == SND_SOC_DAIFMT_AC97;
138 static int fsl_asoc_card_hw_params(struct snd_pcm_substream *substream,
139 struct snd_pcm_hw_params *params)
141 struct snd_soc_pcm_runtime *rtd = substream->private_data;
142 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card);
143 bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
144 struct cpu_priv *cpu_priv = &priv->cpu_priv;
145 struct device *dev = rtd->card->dev;
148 priv->sample_rate = params_rate(params);
149 priv->sample_format = params_format(params);
152 * If codec-dai is DAI Master and all configurations are already in the
153 * set_bias_level(), bypass the remaining settings in hw_params().
154 * Note: (dai_fmt & CBM_CFM) includes CBM_CFM and CBM_CFS.
156 if ((priv->card.set_bias_level &&
157 priv->dai_fmt & SND_SOC_DAIFMT_CBM_CFM) ||
158 fsl_asoc_card_is_ac97(priv))
161 /* Specific configurations of DAIs starts from here */
162 ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, cpu_priv->sysclk_id[tx],
163 cpu_priv->sysclk_freq[tx],
164 cpu_priv->sysclk_dir[tx]);
165 if (ret && ret != -ENOTSUPP) {
166 dev_err(dev, "failed to set sysclk for cpu dai\n");
170 if (cpu_priv->slot_width) {
171 ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2,
172 cpu_priv->slot_width);
173 if (ret && ret != -ENOTSUPP) {
174 dev_err(dev, "failed to set TDM slot for cpu dai\n");
182 static const struct snd_soc_ops fsl_asoc_card_ops = {
183 .hw_params = fsl_asoc_card_hw_params,
186 static int be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
187 struct snd_pcm_hw_params *params)
189 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card);
190 struct snd_interval *rate;
191 struct snd_mask *mask;
193 rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
194 rate->max = rate->min = priv->asrc_rate;
196 mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
198 snd_mask_set_format(mask, priv->asrc_format);
203 static struct snd_soc_dai_link fsl_asoc_card_dai[] = {
204 /* Default ASoC DAI Link*/
207 .stream_name = "HiFi",
208 .ops = &fsl_asoc_card_ops,
210 /* DPCM Link between Front-End and Back-End (Optional) */
212 .name = "HiFi-ASRC-FE",
213 .stream_name = "HiFi-ASRC-FE",
214 .codec_name = "snd-soc-dummy",
215 .codec_dai_name = "snd-soc-dummy-dai",
221 .name = "HiFi-ASRC-BE",
222 .stream_name = "HiFi-ASRC-BE",
223 .platform_name = "snd-soc-dummy",
224 .be_hw_params_fixup = be_hw_params_fixup,
225 .ops = &fsl_asoc_card_ops,
232 static int fsl_asoc_card_set_bias_level(struct snd_soc_card *card,
233 struct snd_soc_dapm_context *dapm,
234 enum snd_soc_bias_level level)
236 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(card);
237 struct snd_soc_pcm_runtime *rtd;
238 struct snd_soc_dai *codec_dai;
239 struct codec_priv *codec_priv = &priv->codec_priv;
240 struct device *dev = card->dev;
241 unsigned int pll_out;
244 rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name);
245 codec_dai = rtd->codec_dai;
246 if (dapm->dev != codec_dai->dev)
250 case SND_SOC_BIAS_PREPARE:
251 if (dapm->bias_level != SND_SOC_BIAS_STANDBY)
254 if (priv->sample_format == SNDRV_PCM_FORMAT_S24_LE)
255 pll_out = priv->sample_rate * 384;
257 pll_out = priv->sample_rate * 256;
259 ret = snd_soc_dai_set_pll(codec_dai, codec_priv->pll_id,
261 codec_priv->mclk_freq, pll_out);
263 dev_err(dev, "failed to start FLL: %d\n", ret);
267 ret = snd_soc_dai_set_sysclk(codec_dai, codec_priv->fll_id,
268 pll_out, SND_SOC_CLOCK_IN);
269 if (ret && ret != -ENOTSUPP) {
270 dev_err(dev, "failed to set SYSCLK: %d\n", ret);
275 case SND_SOC_BIAS_STANDBY:
276 if (dapm->bias_level != SND_SOC_BIAS_PREPARE)
279 ret = snd_soc_dai_set_sysclk(codec_dai, codec_priv->mclk_id,
280 codec_priv->mclk_freq,
282 if (ret && ret != -ENOTSUPP) {
283 dev_err(dev, "failed to switch away from FLL: %d\n", ret);
287 ret = snd_soc_dai_set_pll(codec_dai, codec_priv->pll_id, 0, 0, 0);
289 dev_err(dev, "failed to stop FLL: %d\n", ret);
301 static int fsl_asoc_card_audmux_init(struct device_node *np,
302 struct fsl_asoc_card_priv *priv)
304 struct device *dev = &priv->pdev->dev;
305 u32 int_ptcr = 0, ext_ptcr = 0;
306 int int_port, ext_port;
309 ret = of_property_read_u32(np, "mux-int-port", &int_port);
311 dev_err(dev, "mux-int-port missing or invalid\n");
314 ret = of_property_read_u32(np, "mux-ext-port", &ext_port);
316 dev_err(dev, "mux-ext-port missing or invalid\n");
321 * The port numbering in the hardware manual starts at 1, while
322 * the AUDMUX API expects it starts at 0.
328 * Use asynchronous mode (6 wires) for all cases except AC97.
329 * If only 4 wires are needed, just set SSI into
330 * synchronous mode and enable 4 PADs in IOMUX.
332 switch (priv->dai_fmt & SND_SOC_DAIFMT_MASTER_MASK) {
333 case SND_SOC_DAIFMT_CBM_CFM:
334 int_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | ext_port) |
335 IMX_AUDMUX_V2_PTCR_RCSEL(8 | ext_port) |
336 IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) |
337 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) |
338 IMX_AUDMUX_V2_PTCR_RFSDIR |
339 IMX_AUDMUX_V2_PTCR_RCLKDIR |
340 IMX_AUDMUX_V2_PTCR_TFSDIR |
341 IMX_AUDMUX_V2_PTCR_TCLKDIR;
343 case SND_SOC_DAIFMT_CBM_CFS:
344 int_ptcr = IMX_AUDMUX_V2_PTCR_RCSEL(8 | ext_port) |
345 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) |
346 IMX_AUDMUX_V2_PTCR_RCLKDIR |
347 IMX_AUDMUX_V2_PTCR_TCLKDIR;
348 ext_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | int_port) |
349 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) |
350 IMX_AUDMUX_V2_PTCR_RFSDIR |
351 IMX_AUDMUX_V2_PTCR_TFSDIR;
353 case SND_SOC_DAIFMT_CBS_CFM:
354 int_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | ext_port) |
355 IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) |
356 IMX_AUDMUX_V2_PTCR_RFSDIR |
357 IMX_AUDMUX_V2_PTCR_TFSDIR;
358 ext_ptcr = IMX_AUDMUX_V2_PTCR_RCSEL(8 | int_port) |
359 IMX_AUDMUX_V2_PTCR_TCSEL(int_port) |
360 IMX_AUDMUX_V2_PTCR_RCLKDIR |
361 IMX_AUDMUX_V2_PTCR_TCLKDIR;
363 case SND_SOC_DAIFMT_CBS_CFS:
364 ext_ptcr = IMX_AUDMUX_V2_PTCR_RFSEL(8 | int_port) |
365 IMX_AUDMUX_V2_PTCR_RCSEL(8 | int_port) |
366 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) |
367 IMX_AUDMUX_V2_PTCR_TCSEL(int_port) |
368 IMX_AUDMUX_V2_PTCR_RFSDIR |
369 IMX_AUDMUX_V2_PTCR_RCLKDIR |
370 IMX_AUDMUX_V2_PTCR_TFSDIR |
371 IMX_AUDMUX_V2_PTCR_TCLKDIR;
374 if (!fsl_asoc_card_is_ac97(priv))
378 if (fsl_asoc_card_is_ac97(priv)) {
379 int_ptcr = IMX_AUDMUX_V2_PTCR_SYN |
380 IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) |
381 IMX_AUDMUX_V2_PTCR_TCLKDIR;
382 ext_ptcr = IMX_AUDMUX_V2_PTCR_SYN |
383 IMX_AUDMUX_V2_PTCR_TFSEL(int_port) |
384 IMX_AUDMUX_V2_PTCR_TFSDIR;
387 /* Asynchronous mode can not be set along with RCLKDIR */
388 if (!fsl_asoc_card_is_ac97(priv)) {
390 IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port);
392 ret = imx_audmux_v2_configure_port(int_port, 0,
395 dev_err(dev, "audmux internal port setup failed\n");
400 ret = imx_audmux_v2_configure_port(int_port, int_ptcr,
401 IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port));
403 dev_err(dev, "audmux internal port setup failed\n");
407 if (!fsl_asoc_card_is_ac97(priv)) {
409 IMX_AUDMUX_V2_PDCR_RXDSEL(int_port);
411 ret = imx_audmux_v2_configure_port(ext_port, 0,
414 dev_err(dev, "audmux external port setup failed\n");
419 ret = imx_audmux_v2_configure_port(ext_port, ext_ptcr,
420 IMX_AUDMUX_V2_PDCR_RXDSEL(int_port));
422 dev_err(dev, "audmux external port setup failed\n");
429 static int fsl_asoc_card_late_probe(struct snd_soc_card *card)
431 struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(card);
432 struct snd_soc_pcm_runtime *rtd = list_first_entry(
433 &card->rtd_list, struct snd_soc_pcm_runtime, list);
434 struct snd_soc_dai *codec_dai = rtd->codec_dai;
435 struct codec_priv *codec_priv = &priv->codec_priv;
436 struct device *dev = card->dev;
439 if (fsl_asoc_card_is_ac97(priv)) {
440 #if IS_ENABLED(CONFIG_SND_AC97_CODEC)
441 struct snd_soc_component *component = rtd->codec_dai->component;
442 struct snd_ac97 *ac97 = snd_soc_component_get_drvdata(component);
445 * Use slots 3/4 for S/PDIF so SSI won't try to enable
446 * other slots and send some samples there
447 * due to SLOTREQ bits for S/PDIF received from codec
449 snd_ac97_update_bits(ac97, AC97_EXTENDED_STATUS,
450 AC97_EA_SPSA_SLOT_MASK, AC97_EA_SPSA_3_4);
456 ret = snd_soc_dai_set_sysclk(codec_dai, codec_priv->mclk_id,
457 codec_priv->mclk_freq, SND_SOC_CLOCK_IN);
458 if (ret && ret != -ENOTSUPP) {
459 dev_err(dev, "failed to set sysclk in %s\n", __func__);
466 static int fsl_asoc_card_probe(struct platform_device *pdev)
468 struct device_node *cpu_np, *codec_np, *asrc_np;
469 struct device_node *np = pdev->dev.of_node;
470 struct platform_device *asrc_pdev = NULL;
471 struct platform_device *cpu_pdev;
472 struct fsl_asoc_card_priv *priv;
473 struct i2c_client *codec_dev;
474 const char *codec_dai_name;
478 priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
482 cpu_np = of_parse_phandle(np, "audio-cpu", 0);
483 /* Give a chance to old DT binding */
485 cpu_np = of_parse_phandle(np, "ssi-controller", 0);
487 dev_err(&pdev->dev, "CPU phandle missing or invalid\n");
492 cpu_pdev = of_find_device_by_node(cpu_np);
494 dev_err(&pdev->dev, "failed to find CPU DAI device\n");
499 codec_np = of_parse_phandle(np, "audio-codec", 0);
501 codec_dev = of_find_i2c_device_by_node(codec_np);
505 asrc_np = of_parse_phandle(np, "audio-asrc", 0);
507 asrc_pdev = of_find_device_by_node(asrc_np);
509 /* Get the MCLK rate only, and leave it controlled by CODEC drivers */
511 struct clk *codec_clk = clk_get(&codec_dev->dev, NULL);
513 if (!IS_ERR(codec_clk)) {
514 priv->codec_priv.mclk_freq = clk_get_rate(codec_clk);
519 /* Default sample rate and format, will be updated in hw_params() */
520 priv->sample_rate = 44100;
521 priv->sample_format = SNDRV_PCM_FORMAT_S16_LE;
523 /* Assign a default DAI format, and allow each card to overwrite it */
524 priv->dai_fmt = DAI_FMT_BASE;
526 /* Diversify the card configurations */
527 if (of_device_is_compatible(np, "fsl,imx-audio-cs42888")) {
528 codec_dai_name = "cs42888";
529 priv->card.set_bias_level = NULL;
530 priv->cpu_priv.sysclk_freq[TX] = priv->codec_priv.mclk_freq;
531 priv->cpu_priv.sysclk_freq[RX] = priv->codec_priv.mclk_freq;
532 priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_OUT;
533 priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_OUT;
534 priv->cpu_priv.slot_width = 32;
535 priv->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
536 } else if (of_device_is_compatible(np, "fsl,imx-audio-cs427x")) {
537 codec_dai_name = "cs4271-hifi";
538 priv->codec_priv.mclk_id = CS427x_SYSCLK_MCLK;
539 priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
540 } else if (of_device_is_compatible(np, "fsl,imx-audio-sgtl5000")) {
541 codec_dai_name = "sgtl5000";
542 priv->codec_priv.mclk_id = SGTL5000_SYSCLK;
543 priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
544 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8962")) {
545 codec_dai_name = "wm8962";
546 priv->card.set_bias_level = fsl_asoc_card_set_bias_level;
547 priv->codec_priv.mclk_id = WM8962_SYSCLK_MCLK;
548 priv->codec_priv.fll_id = WM8962_SYSCLK_FLL;
549 priv->codec_priv.pll_id = WM8962_FLL;
550 priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
551 } else if (of_device_is_compatible(np, "fsl,imx-audio-wm8960")) {
552 codec_dai_name = "wm8960-hifi";
553 priv->card.set_bias_level = fsl_asoc_card_set_bias_level;
554 priv->codec_priv.fll_id = WM8960_SYSCLK_AUTO;
555 priv->codec_priv.pll_id = WM8960_SYSCLK_AUTO;
556 priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
557 } else if (of_device_is_compatible(np, "fsl,imx-audio-ac97")) {
558 codec_dai_name = "ac97-hifi";
559 priv->card.set_bias_level = NULL;
560 priv->dai_fmt = SND_SOC_DAIFMT_AC97;
562 dev_err(&pdev->dev, "unknown Device Tree compatible\n");
567 if (!fsl_asoc_card_is_ac97(priv) && !codec_dev) {
568 dev_err(&pdev->dev, "failed to find codec device\n");
573 /* Common settings for corresponding Freescale CPU DAI driver */
574 if (strstr(cpu_np->name, "ssi")) {
575 /* Only SSI needs to configure AUDMUX */
576 ret = fsl_asoc_card_audmux_init(np, priv);
578 dev_err(&pdev->dev, "failed to init audmux\n");
581 } else if (strstr(cpu_np->name, "esai")) {
582 priv->cpu_priv.sysclk_id[1] = ESAI_HCKT_EXTAL;
583 priv->cpu_priv.sysclk_id[0] = ESAI_HCKR_EXTAL;
584 } else if (strstr(cpu_np->name, "sai")) {
585 priv->cpu_priv.sysclk_id[1] = FSL_SAI_CLK_MAST1;
586 priv->cpu_priv.sysclk_id[0] = FSL_SAI_CLK_MAST1;
589 snprintf(priv->name, sizeof(priv->name), "%s-audio",
590 fsl_asoc_card_is_ac97(priv) ? "ac97" :
593 /* Initialize sound card */
595 priv->card.dev = &pdev->dev;
596 priv->card.name = priv->name;
597 priv->card.dai_link = priv->dai_link;
598 priv->card.dapm_routes = fsl_asoc_card_is_ac97(priv) ?
599 audio_map_ac97 : audio_map;
600 priv->card.late_probe = fsl_asoc_card_late_probe;
601 priv->card.num_dapm_routes = ARRAY_SIZE(audio_map);
602 priv->card.dapm_widgets = fsl_asoc_card_dapm_widgets;
603 priv->card.num_dapm_widgets = ARRAY_SIZE(fsl_asoc_card_dapm_widgets);
605 /* Drop the second half of DAPM routes -- ASRC */
607 priv->card.num_dapm_routes /= 2;
609 memcpy(priv->dai_link, fsl_asoc_card_dai,
610 sizeof(struct snd_soc_dai_link) * ARRAY_SIZE(priv->dai_link));
612 ret = snd_soc_of_parse_audio_routing(&priv->card, "audio-routing");
614 dev_err(&pdev->dev, "failed to parse audio-routing: %d\n", ret);
618 /* Normal DAI Link */
619 priv->dai_link[0].cpu_of_node = cpu_np;
620 priv->dai_link[0].codec_dai_name = codec_dai_name;
622 if (!fsl_asoc_card_is_ac97(priv))
623 priv->dai_link[0].codec_of_node = codec_np;
627 ret = of_property_read_u32(cpu_np, "cell-index", &idx);
630 "cannot get CPU index property\n");
634 priv->dai_link[0].codec_name =
635 devm_kasprintf(&pdev->dev, GFP_KERNEL,
638 if (!priv->dai_link[0].codec_name) {
644 priv->dai_link[0].platform_of_node = cpu_np;
645 priv->dai_link[0].dai_fmt = priv->dai_fmt;
646 priv->card.num_links = 1;
649 /* DPCM DAI Links only if ASRC exsits */
650 priv->dai_link[1].cpu_of_node = asrc_np;
651 priv->dai_link[1].platform_of_node = asrc_np;
652 priv->dai_link[2].codec_dai_name = codec_dai_name;
653 priv->dai_link[2].codec_of_node = codec_np;
654 priv->dai_link[2].codec_name =
655 priv->dai_link[0].codec_name;
656 priv->dai_link[2].cpu_of_node = cpu_np;
657 priv->dai_link[2].dai_fmt = priv->dai_fmt;
658 priv->card.num_links = 3;
660 ret = of_property_read_u32(asrc_np, "fsl,asrc-rate",
663 dev_err(&pdev->dev, "failed to get output rate\n");
668 ret = of_property_read_u32(asrc_np, "fsl,asrc-width", &width);
670 dev_err(&pdev->dev, "failed to get output rate\n");
676 priv->asrc_format = SNDRV_PCM_FORMAT_S24_LE;
678 priv->asrc_format = SNDRV_PCM_FORMAT_S16_LE;
681 /* Finish card registering */
682 platform_set_drvdata(pdev, priv);
683 snd_soc_card_set_drvdata(&priv->card, priv);
685 ret = devm_snd_soc_register_card(&pdev->dev, &priv->card);
686 if (ret && ret != -EPROBE_DEFER)
687 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);
690 of_node_put(asrc_np);
691 of_node_put(codec_np);
692 put_device(&cpu_pdev->dev);
699 static const struct of_device_id fsl_asoc_card_dt_ids[] = {
700 { .compatible = "fsl,imx-audio-ac97", },
701 { .compatible = "fsl,imx-audio-cs42888", },
702 { .compatible = "fsl,imx-audio-cs427x", },
703 { .compatible = "fsl,imx-audio-sgtl5000", },
704 { .compatible = "fsl,imx-audio-wm8962", },
705 { .compatible = "fsl,imx-audio-wm8960", },
708 MODULE_DEVICE_TABLE(of, fsl_asoc_card_dt_ids);
710 static struct platform_driver fsl_asoc_card_driver = {
711 .probe = fsl_asoc_card_probe,
713 .name = "fsl-asoc-card",
714 .pm = &snd_soc_pm_ops,
715 .of_match_table = fsl_asoc_card_dt_ids,
718 module_platform_driver(fsl_asoc_card_driver);
720 MODULE_DESCRIPTION("Freescale Generic ASoC Sound Card driver with ASRC");
721 MODULE_AUTHOR("Nicolin Chen <nicoleotsuka@gmail.com>");
722 MODULE_ALIAS("platform:fsl-asoc-card");
723 MODULE_LICENSE("GPL");