4f810186ab
1. update cv182x/cv183x configuration file 2. update cv181x/cv180x configuration file 3. update clk driver for cvitek 4. update dma driver for cvitek 5. update soc driver for cvitek 6. porting cvitek ion driver from kernel-4.19 7. compatible with riscv Change-Id: Icff9fafe0ebe7d6bab824bbadb952e08bdc66c19
100 lines
2.1 KiB
C
100 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* Machine driver for CVITEK PDM on CVITEK CV182X
|
|
*
|
|
* Copyright 2019 CVITEK
|
|
*
|
|
* Author: EthanChen
|
|
*
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/device.h>
|
|
#include <sound/core.h>
|
|
#include <sound/pcm.h>
|
|
#include <sound/soc.h>
|
|
#include <sound/pcm_params.h>
|
|
#include <linux/io.h>
|
|
#include "cv1835pdm.h"
|
|
|
|
static int cv182x_pdm_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *params)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int cv182x_pdm_codec_init(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
return 0;
|
|
}
|
|
static struct snd_soc_ops cv182x_pdm_ops = {
|
|
.hw_params = cv182x_pdm_hw_params,
|
|
};
|
|
|
|
static struct snd_soc_dai_link cv182x_pdm_dai = {
|
|
.name = "cv182x-i2s-pdm",
|
|
.stream_name = "cv182x-pdm",
|
|
.cpu_dai_name = "4110000.i2s",
|
|
.codec_dai_name = "cv1835pdm",
|
|
.platform_name = "4110000.i2s",
|
|
.codec_name = "41d0c00.pdm",
|
|
.ops = &cv182x_pdm_ops,
|
|
.init = cv182x_pdm_codec_init,
|
|
.dai_fmt = SND_SOC_DAIFMT_I2S
|
|
| SND_SOC_DAIFMT_IB_NF
|
|
| SND_SOC_DAIFMT_CBM_CFM,
|
|
};
|
|
|
|
static struct snd_soc_card cv182x_pdm = {
|
|
.owner = THIS_MODULE,
|
|
.dai_link = &cv182x_pdm_dai,
|
|
.num_links = 1,
|
|
|
|
};
|
|
|
|
|
|
static const struct of_device_id cvi_audio_match_ids[] = {
|
|
{
|
|
.compatible = "cvitek,cv182x-pdm",
|
|
//.data = (void *) &cv182x_pdm_dai,
|
|
},
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(of, cvi_audio_match_ids);
|
|
|
|
static int cv182x_pdm_probe(struct platform_device *pdev)
|
|
{
|
|
struct snd_soc_card *card;
|
|
struct device_node *np = pdev->dev.of_node;
|
|
|
|
dev_info(&pdev->dev, "%s, dev name=%s\n", __func__, dev_name(&pdev->dev));
|
|
|
|
card = &cv182x_pdm;
|
|
|
|
if (np) {
|
|
|
|
of_property_read_string(np, "cvi,card_name", &card->name);
|
|
card->dev = &pdev->dev;
|
|
platform_set_drvdata(pdev, card);
|
|
return devm_snd_soc_register_card(&pdev->dev, card);
|
|
}
|
|
return 0;
|
|
|
|
}
|
|
|
|
static struct platform_driver cv182x_pdm_driver = {
|
|
.driver = {
|
|
.name = "cv182x-pdm",
|
|
.pm = &snd_soc_pm_ops,
|
|
.of_match_table = cvi_audio_match_ids,
|
|
},
|
|
.probe = cv182x_pdm_probe,
|
|
};
|
|
|
|
module_platform_driver(cv182x_pdm_driver);
|
|
|
|
MODULE_AUTHOR("EthanChen");
|
|
MODULE_DESCRIPTION("ALSA SoC cv182x pdm driver");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_ALIAS("platform:cv182x-pdm");
|