127 lines
3.2 KiB
C
127 lines
3.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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//
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// Copyright(c) 2020 Intel Corporation. All rights reserved.
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#include <linux/string.h>
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#include <sound/pcm.h>
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#include <sound/soc.h>
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#include <sound/soc-dai.h>
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#include <sound/soc-dapm.h>
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#include <uapi/sound/asound.h>
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#include "sof_maxim_common.h"
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#define MAX_98373_PIN_NAME 16
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const struct snd_soc_dapm_route max_98373_dapm_routes[] = {
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/* speaker */
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{ "Left Spk", NULL, "Left BE_OUT" },
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{ "Right Spk", NULL, "Right BE_OUT" },
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};
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static struct snd_soc_codec_conf max_98373_codec_conf[] = {
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{
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.dlc = COMP_CODEC_CONF(MAX_98373_DEV0_NAME),
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.name_prefix = "Right",
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},
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{
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.dlc = COMP_CODEC_CONF(MAX_98373_DEV1_NAME),
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.name_prefix = "Left",
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},
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};
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struct snd_soc_dai_link_component max_98373_components[] = {
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{ /* For Right */
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.name = MAX_98373_DEV0_NAME,
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.dai_name = MAX_98373_CODEC_DAI,
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},
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{ /* For Left */
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.name = MAX_98373_DEV1_NAME,
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.dai_name = MAX_98373_CODEC_DAI,
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},
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};
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static int max98373_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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struct snd_soc_dai *codec_dai;
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int j;
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for_each_rtd_codec_dais(rtd, j, codec_dai) {
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if (!strcmp(codec_dai->component->name, MAX_98373_DEV0_NAME)) {
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/* DEV0 tdm slot configuration */
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snd_soc_dai_set_tdm_slot(codec_dai, 0x03, 3, 8, 32);
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}
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if (!strcmp(codec_dai->component->name, MAX_98373_DEV1_NAME)) {
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/* DEV1 tdm slot configuration */
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snd_soc_dai_set_tdm_slot(codec_dai, 0x0C, 3, 8, 32);
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}
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}
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return 0;
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}
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int max98373_trigger(struct snd_pcm_substream *substream, int cmd)
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{
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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struct snd_soc_dai *codec_dai;
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int j;
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int ret = 0;
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/* set spk pin by playback only */
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if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
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return 0;
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for_each_rtd_codec_dais(rtd, j, codec_dai) {
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struct snd_soc_component *component = codec_dai->component;
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struct snd_soc_dapm_context *dapm =
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snd_soc_component_get_dapm(component);
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char pin_name[MAX_98373_PIN_NAME];
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snprintf(pin_name, ARRAY_SIZE(pin_name), "%s Spk",
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codec_dai->component->name_prefix);
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switch (cmd) {
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case SNDRV_PCM_TRIGGER_START:
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case SNDRV_PCM_TRIGGER_RESUME:
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case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
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ret = snd_soc_dapm_enable_pin(dapm, pin_name);
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if (!ret)
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snd_soc_dapm_sync(dapm);
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break;
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case SNDRV_PCM_TRIGGER_STOP:
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case SNDRV_PCM_TRIGGER_SUSPEND:
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case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
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ret = snd_soc_dapm_disable_pin(dapm, pin_name);
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if (!ret)
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snd_soc_dapm_sync(dapm);
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break;
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default:
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break;
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}
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}
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return ret;
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}
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struct snd_soc_ops max_98373_ops = {
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.hw_params = max98373_hw_params,
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.trigger = max98373_trigger,
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};
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int max98373_spk_codec_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_card *card = rtd->card;
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int ret;
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ret = snd_soc_dapm_add_routes(&card->dapm, max_98373_dapm_routes,
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ARRAY_SIZE(max_98373_dapm_routes));
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if (ret)
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dev_err(rtd->dev, "Speaker map addition failed: %d\n", ret);
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return ret;
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}
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void sof_max98373_codec_conf(struct snd_soc_card *card)
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{
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card->codec_conf = max_98373_codec_conf;
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card->num_configs = ARRAY_SIZE(max_98373_codec_conf);
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}
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