163 lines
3.7 KiB
C
163 lines
3.7 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2019 MediaTek Inc.
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* Author: Michael Hsiao <michael.hsiao@mediatek.com>
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*/
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/****************************************************************************
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*
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* Filename:
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* ---------
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* mtk_routing
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*
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* Project:
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* --------
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*
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*
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* Description:
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* ------------
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* Audio routing path
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*
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* Author:
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* -------
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* Chipeng Chang
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*
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*----------------------------------------------------------------------------
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*
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*
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******************************************************************************
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*/
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/*****************************************************************************
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* C O M P I L E R F L A G S
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*****************************************************************************/
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/*****************************************************************************
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* E X T E R N A L R E F E R E N C E S
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*****************************************************************************/
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#include <linux/device.h>
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#include <linux/dma-mapping.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <sound/core.h>
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#include <sound/soc.h>
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#include "mtk-auddrv-afe.h"
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#include "mtk-auddrv-ana.h"
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#include "mtk-auddrv-clk.h"
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#include "mtk-auddrv-common.h"
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#include "mtk-auddrv-def.h"
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#include "mtk-auddrv-kernel.h"
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static struct snd_soc_dai_driver mtk_routing_dai[] = {
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{
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.playback = {
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.stream_name = MT_SOC_ROUTING_STREAM_NAME,
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.rates = SNDRV_PCM_RATE_8000_48000,
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.formats = SNDRV_PCM_FMTBIT_S16_LE,
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.channels_min = 1,
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.channels_max = 2,
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.rate_min = 8000,
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.rate_max = 48000,
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},
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.name = "PLATOFRM_CONTROL",
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},
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};
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static const struct snd_soc_component_driver dai_routing_component = {
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.name = "PLATOFRM_CONTROL",
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};
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static int mtk_routing_dev_probe(struct platform_device *pdev)
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{
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int rc = 0;
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pr_debug("%s(), name = %s\n", __func__, dev_name(&pdev->dev));
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pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
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if (pdev->dev.dma_mask == NULL)
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pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
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if (pdev->dev.of_node)
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dev_set_name(&pdev->dev, "%s", MT_SOC_ROUTING_DAI_NAME);
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pdev->name = pdev->dev.kobj.name;
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pr_debug("%s: dev name %s\n", __func__, dev_name(&pdev->dev));
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rc = snd_soc_register_component(&pdev->dev, &dai_routing_component,
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mtk_routing_dai,
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ARRAY_SIZE(mtk_routing_dai));
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return rc;
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}
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static int mtk_routing_dev_remove(struct platform_device *pdev)
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{
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pr_debug("%s:\n", __func__);
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snd_soc_unregister_component(&pdev->dev);
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return 0;
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}
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#ifdef CONFIG_OF
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static const struct of_device_id mt_soc_dai_routing_of_ids[] = {
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{
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.compatible = "mediatek,mt_soc_dai_routing",
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},
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{} };
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#endif
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static struct platform_driver mtk_routing_driver = {
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.probe = mtk_routing_dev_probe,
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.remove = mtk_routing_dev_remove,
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.driver = {
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.name = MT_SOC_ROUTING_DAI_NAME,
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.owner = THIS_MODULE,
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#ifdef CONFIG_OF
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.of_match_table = mt_soc_dai_routing_of_ids,
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#endif
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},
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};
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#ifndef CONFIG_OF
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static struct platform_device *soc_routing_dev;
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#endif
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static int __init mtk_routing_init(void)
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{
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pr_debug("%s:\n", __func__);
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#ifndef CONFIG_OF
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int ret;
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soc_routing_dev = platform_device_alloc(MT_SOC_ROUTING_DAI_NAME, -1);
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if (!soc_routing_dev)
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return -ENOMEM;
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ret = platform_device_add(soc_routing_dev);
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if (ret != 0) {
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platform_device_put(soc_routing_dev);
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return ret;
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}
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#endif
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return platform_driver_register(&mtk_routing_driver);
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}
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module_init(mtk_routing_init);
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static void __exit mtk_routing_exit(void)
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{
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pr_debug("%s:\n", __func__);
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platform_driver_unregister(&mtk_routing_driver);
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}
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module_exit(mtk_routing_exit);
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/* Module information */
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MODULE_DESCRIPTION("MTK Routing driver");
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MODULE_LICENSE("GPL v2");
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