159 lines
4.2 KiB
C
159 lines
4.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
// Copyright (c) 2022, Linaro Limited
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/of_device.h>
|
|
#include <sound/soc.h>
|
|
#include <sound/soc-dapm.h>
|
|
#include <sound/pcm.h>
|
|
#include <linux/soundwire/sdw.h>
|
|
#include <sound/jack.h>
|
|
#include <linux/input-event-codes.h>
|
|
#include "qdsp6/q6afe.h"
|
|
#include "common.h"
|
|
#include "sdw.h"
|
|
|
|
#define DRIVER_NAME "sc8280xp"
|
|
|
|
struct sc8280xp_snd_data {
|
|
bool stream_prepared[AFE_PORT_MAX];
|
|
struct snd_soc_card *card;
|
|
struct sdw_stream_runtime *sruntime[AFE_PORT_MAX];
|
|
struct snd_soc_jack jack;
|
|
bool jack_setup;
|
|
};
|
|
|
|
static int sc8280xp_snd_init(struct snd_soc_pcm_runtime *rtd)
|
|
{
|
|
struct sc8280xp_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
|
|
|
|
return qcom_snd_wcd_jack_setup(rtd, &data->jack, &data->jack_setup);
|
|
}
|
|
|
|
static int sc8280xp_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
|
|
struct snd_pcm_hw_params *params)
|
|
{
|
|
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
|
|
struct snd_interval *rate = hw_param_interval(params,
|
|
SNDRV_PCM_HW_PARAM_RATE);
|
|
struct snd_interval *channels = hw_param_interval(params,
|
|
SNDRV_PCM_HW_PARAM_CHANNELS);
|
|
|
|
rate->min = rate->max = 48000;
|
|
channels->min = 2;
|
|
channels->max = 2;
|
|
switch (cpu_dai->id) {
|
|
case TX_CODEC_DMA_TX_0:
|
|
case TX_CODEC_DMA_TX_1:
|
|
case TX_CODEC_DMA_TX_2:
|
|
case TX_CODEC_DMA_TX_3:
|
|
channels->min = 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sc8280xp_snd_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *params)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
|
|
struct sc8280xp_snd_data *pdata = snd_soc_card_get_drvdata(rtd->card);
|
|
|
|
return qcom_snd_sdw_hw_params(substream, params, &pdata->sruntime[cpu_dai->id]);
|
|
}
|
|
|
|
static int sc8280xp_snd_prepare(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
|
|
struct sc8280xp_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
|
|
struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
|
|
|
|
return qcom_snd_sdw_prepare(substream, sruntime,
|
|
&data->stream_prepared[cpu_dai->id]);
|
|
}
|
|
|
|
static int sc8280xp_snd_hw_free(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = substream->private_data;
|
|
struct sc8280xp_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
|
|
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
|
|
struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
|
|
|
|
return qcom_snd_sdw_hw_free(substream, sruntime,
|
|
&data->stream_prepared[cpu_dai->id]);
|
|
}
|
|
|
|
static const struct snd_soc_ops sc8280xp_be_ops = {
|
|
.hw_params = sc8280xp_snd_hw_params,
|
|
.hw_free = sc8280xp_snd_hw_free,
|
|
.prepare = sc8280xp_snd_prepare,
|
|
};
|
|
|
|
static void sc8280xp_add_be_ops(struct snd_soc_card *card)
|
|
{
|
|
struct snd_soc_dai_link *link;
|
|
int i;
|
|
|
|
for_each_card_prelinks(card, i, link) {
|
|
if (link->no_pcm == 1) {
|
|
link->init = sc8280xp_snd_init;
|
|
link->be_hw_params_fixup = sc8280xp_be_hw_params_fixup;
|
|
link->ops = &sc8280xp_be_ops;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int sc8280xp_platform_probe(struct platform_device *pdev)
|
|
{
|
|
struct snd_soc_card *card;
|
|
struct sc8280xp_snd_data *data;
|
|
struct device *dev = &pdev->dev;
|
|
int ret;
|
|
|
|
card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
|
|
if (!card)
|
|
return -ENOMEM;
|
|
card->owner = THIS_MODULE;
|
|
/* Allocate the private data */
|
|
data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
|
|
if (!data)
|
|
return -ENOMEM;
|
|
|
|
card->dev = dev;
|
|
dev_set_drvdata(dev, card);
|
|
snd_soc_card_set_drvdata(card, data);
|
|
ret = qcom_snd_parse_of(card);
|
|
if (ret)
|
|
return ret;
|
|
|
|
card->driver_name = DRIVER_NAME;
|
|
sc8280xp_add_be_ops(card);
|
|
return devm_snd_soc_register_card(dev, card);
|
|
}
|
|
|
|
static const struct of_device_id snd_sc8280xp_dt_match[] = {
|
|
{.compatible = "qcom,sc8280xp-sndcard",},
|
|
{}
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(of, snd_sc8280xp_dt_match);
|
|
|
|
static struct platform_driver snd_sc8280xp_driver = {
|
|
.probe = sc8280xp_platform_probe,
|
|
.driver = {
|
|
.name = "snd-sc8280xp",
|
|
.of_match_table = snd_sc8280xp_dt_match,
|
|
},
|
|
};
|
|
module_platform_driver(snd_sc8280xp_driver);
|
|
MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org");
|
|
MODULE_DESCRIPTION("SC8280XP ASoC Machine Driver");
|
|
MODULE_LICENSE("GPL v2");
|