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109 lines
2.7 KiB
109 lines
2.7 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* This is a simple driver for the GTM601 Voice PCM interface |
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* |
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* Copyright (C) 2015 Goldelico GmbH |
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* |
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* Author: Marek Belisko <[email protected]> |
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* |
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* Based on wm8727.c driver |
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*/ |
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#include <linux/init.h> |
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#include <linux/slab.h> |
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#include <linux/module.h> |
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#include <linux/kernel.h> |
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#include <linux/of_device.h> |
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#include <sound/core.h> |
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#include <sound/pcm.h> |
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#include <sound/initval.h> |
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#include <sound/soc.h> |
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static const struct snd_soc_dapm_widget gtm601_dapm_widgets[] = { |
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SND_SOC_DAPM_OUTPUT("AOUT"), |
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SND_SOC_DAPM_INPUT("AIN"), |
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}; |
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static const struct snd_soc_dapm_route gtm601_dapm_routes[] = { |
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{ "AOUT", NULL, "Playback" }, |
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{ "Capture", NULL, "AIN" }, |
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}; |
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static struct snd_soc_dai_driver gtm601_dai = { |
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.name = "gtm601", |
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.playback = { |
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.stream_name = "Playback", |
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.channels_min = 1, |
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.channels_max = 1, |
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.rates = SNDRV_PCM_RATE_8000, |
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.formats = SNDRV_PCM_FMTBIT_S16_LE, |
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}, |
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.capture = { |
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.stream_name = "Capture", |
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.channels_min = 1, |
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.channels_max = 1, |
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.rates = SNDRV_PCM_RATE_8000, |
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.formats = SNDRV_PCM_FMTBIT_S16_LE, |
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}, |
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}; |
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static struct snd_soc_dai_driver bm818_dai = { |
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.name = "bm818", |
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.playback = { |
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.stream_name = "Playback", |
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.channels_min = 2, |
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.channels_max = 2, |
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.rates = SNDRV_PCM_RATE_48000, |
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.formats = SNDRV_PCM_FMTBIT_S16_LE, |
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}, |
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.capture = { |
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.stream_name = "Capture", |
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.channels_min = 2, |
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.channels_max = 2, |
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.rates = SNDRV_PCM_RATE_48000, |
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.formats = SNDRV_PCM_FMTBIT_S16_LE, |
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}, |
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}; |
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static const struct snd_soc_component_driver soc_component_dev_gtm601 = { |
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.dapm_widgets = gtm601_dapm_widgets, |
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.num_dapm_widgets = ARRAY_SIZE(gtm601_dapm_widgets), |
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.dapm_routes = gtm601_dapm_routes, |
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.num_dapm_routes = ARRAY_SIZE(gtm601_dapm_routes), |
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.idle_bias_on = 1, |
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.use_pmdown_time = 1, |
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.endianness = 1, |
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}; |
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static int gtm601_platform_probe(struct platform_device *pdev) |
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{ |
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const struct snd_soc_dai_driver *dai_driver; |
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dai_driver = of_device_get_match_data(&pdev->dev); |
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return devm_snd_soc_register_component(&pdev->dev, |
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&soc_component_dev_gtm601, |
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(struct snd_soc_dai_driver *)dai_driver, 1); |
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} |
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static const struct of_device_id gtm601_codec_of_match[] __maybe_unused = { |
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{ .compatible = "option,gtm601", .data = (void *)>m601_dai }, |
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{ .compatible = "broadmobi,bm818", .data = (void *)&bm818_dai }, |
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{}, |
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}; |
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MODULE_DEVICE_TABLE(of, gtm601_codec_of_match); |
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static struct platform_driver gtm601_codec_driver = { |
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.driver = { |
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.name = "gtm601", |
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.of_match_table = of_match_ptr(gtm601_codec_of_match), |
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}, |
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.probe = gtm601_platform_probe, |
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}; |
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module_platform_driver(gtm601_codec_driver); |
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MODULE_DESCRIPTION("ASoC gtm601 driver"); |
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MODULE_AUTHOR("Marek Belisko <[email protected]>"); |
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MODULE_LICENSE("GPL"); |
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MODULE_ALIAS("platform:gtm601");
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