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90 lines
2.3 KiB
90 lines
2.3 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* ASoC Driver for HiFiBerry DAC + DSP |
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* |
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* Author: Joerg Schambacher <[email protected]> |
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* Copyright 2018 |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* version 2 as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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*/ |
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#include <linux/init.h> |
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#include <linux/module.h> |
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#include <linux/of.h> |
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#include <linux/platform_device.h> |
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#include <sound/soc.h> |
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static struct snd_soc_component_driver dacplusdsp_component_driver; |
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static struct snd_soc_dai_driver dacplusdsp_dai = { |
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.name = "dacplusdsp-hifi", |
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.capture = { |
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.stream_name = "DAC+DSP Capture", |
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.channels_min = 2, |
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.channels_max = 2, |
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.rates = SNDRV_PCM_RATE_CONTINUOUS, |
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.formats = SNDRV_PCM_FMTBIT_S16_LE | |
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SNDRV_PCM_FMTBIT_S24_LE | |
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SNDRV_PCM_FMTBIT_S32_LE, |
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}, |
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.playback = { |
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.stream_name = "DACP+DSP Playback", |
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.channels_min = 2, |
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.channels_max = 2, |
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.rates = SNDRV_PCM_RATE_CONTINUOUS, |
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.formats = SNDRV_PCM_FMTBIT_S16_LE | |
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SNDRV_PCM_FMTBIT_S24_LE | |
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SNDRV_PCM_FMTBIT_S32_LE, |
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}, |
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.symmetric_rate = 1}; |
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#ifdef CONFIG_OF |
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static const struct of_device_id dacplusdsp_ids[] = { |
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{ |
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.compatible = "hifiberry,dacplusdsp", |
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}, |
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{} }; |
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MODULE_DEVICE_TABLE(of, dacplusdsp_ids); |
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#endif |
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static int dacplusdsp_platform_probe(struct platform_device *pdev) |
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{ |
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int ret; |
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ret = snd_soc_register_component(&pdev->dev, |
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&dacplusdsp_component_driver, &dacplusdsp_dai, 1); |
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if (ret) { |
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pr_alert("snd_soc_register_component failed\n"); |
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return ret; |
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} |
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return 0; |
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} |
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static int dacplusdsp_platform_remove(struct platform_device *pdev) |
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{ |
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snd_soc_unregister_component(&pdev->dev); |
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return 0; |
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} |
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static struct platform_driver dacplusdsp_driver = { |
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.driver = { |
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.name = "hifiberry-dacplusdsp-codec", |
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.of_match_table = of_match_ptr(dacplusdsp_ids), |
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}, |
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.probe = dacplusdsp_platform_probe, |
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.remove = dacplusdsp_platform_remove, |
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}; |
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module_platform_driver(dacplusdsp_driver); |
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MODULE_AUTHOR("Joerg Schambacher <[email protected]>"); |
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MODULE_DESCRIPTION("ASoC Driver for HiFiBerry DAC+DSP"); |
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MODULE_LICENSE("GPL v2");
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