7e1529d0dc
0debf7abc [dma] When using DMA, if the DMA addr spans 128MB boundary we have to split the DMA transfer into two so that each one doesn't exceed the boundary. 4f7ed7449 Merge "[eth] change rxterm and vcm to link DianXin router" into v4.1.0 feb60bba5 Merge "[audio][lt9611]add drivers" into v4.1.0 a3dde371c [eth] change rxterm and vcm to link DianXin router e615d3a43 [audio][lt9611]add drivers Change-Id: If4fdcbc32df6aeaed04da0efbd23455376e2a53c
123 lines
2.8 KiB
C
123 lines
2.8 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* lt9611 codec
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*
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*/
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#include <linux/module.h>
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#include <linux/device.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/soc.h>
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#include <sound/pcm_params.h>
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#include <linux/io.h>
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#include <linux/proc_fs.h>
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static int cv1835_lt9611_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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// printk("%s\n", __func__);
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return 0;
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}
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static int cv1835_lt9611_codec_init(struct snd_soc_pcm_runtime *rtd)
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{
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//printk(KERN_ERR "%s\n", __func__);
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return 0;
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}
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static struct snd_soc_ops cv1835_lt9611_ops = {
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.hw_params = cv1835_lt9611_hw_params,
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};
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static struct snd_soc_dai_link_component lt9611_cpus = {
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.name = "4120000.i2s",
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.dai_name = "4120000.i2s",
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};
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static struct snd_soc_dai_link_component lt9611_codecs = {
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.name = "dummy_codec",
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.dai_name = "dummy_codec-aif",
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};
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static struct snd_soc_dai_link_component lt9611_platform = {
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.name = "4120000.i2s",
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.dai_name = "4120000.i2s",
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};
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static struct snd_soc_dai_link cv1835_lt9611_dai = {
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.name = "cv1835-lt9611",
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.stream_name = "cv1835-lt9611",
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.cpus = <9611_cpus,
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.num_cpus = 1,
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.codecs = <9611_codecs,
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.num_codecs = 1,
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.platforms = <9611_platform,
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.num_platforms = 1,
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.ops = &cv1835_lt9611_ops,
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.init = cv1835_lt9611_codec_init,
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.dai_fmt = SND_SOC_DAIFMT_I2S
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| SND_SOC_DAIFMT_IB_NF
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| SND_SOC_DAIFMT_CBM_CFM,
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};
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static struct snd_soc_card cv1835_lt9611 = {
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.owner = THIS_MODULE,
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.dai_link = &cv1835_lt9611_dai,
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.num_links = 1,
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};
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static const struct of_device_id cvi_lt9611_audio_match_ids[] = {
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{
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.compatible = "cvitek,cv1835-lt9611",
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},
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{ }
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};
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MODULE_DEVICE_TABLE(of, cvi_lt9611_audio_match_ids);
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static int cv1835_lt9611_probe(struct platform_device *pdev)
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{
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struct snd_soc_card *card;
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struct device_node *np = pdev->dev.of_node;
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int ret = 0;
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//dev_dbg(&pdev->dev, "%s, dev name=%s\n", __func__, dev_name(&pdev->dev));
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// printk("%s, dev name=%s\n", __func__, dev_name(&pdev->dev));
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/* Ethan add, set pinmux by hard code temporary */
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card = &cv1835_lt9611;
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if (np) {
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of_property_read_string(np, "cvi,card_name", &card->name);
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card->dev = &pdev->dev;
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// of_property_read_string(np, "cvi,cpu_dai_name", &card->dai_link[0].cpu_dai_name);
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// of_property_read_string(np, "cvi,platform_name", &card->dai_link[0].platform_name);
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platform_set_drvdata(pdev, card);
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return devm_snd_soc_register_card(&pdev->dev, card);
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}
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return 0;
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}
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static struct platform_driver cv1835_lt9611_driver = {
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.driver = {
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.name = "cv1835-lt9611",
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.pm = &snd_soc_pm_ops,
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.of_match_table = cvi_lt9611_audio_match_ids,
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},
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.probe = cv1835_lt9611_probe,
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};
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module_platform_driver(cv1835_lt9611_driver);
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MODULE_AUTHOR("EthanChen");
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MODULE_DESCRIPTION("lt9611 driver");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS("platform:cv1835-lt9611");
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