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// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2023, Linaro Limited
#include <dt-bindings/sound/qcom,q6afe.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/soundwire/sdw.h>
#include <sound/pcm.h>
#include <sound/jack.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include "common.h"
#include "qdsp6/q6afe.h"
#include "qdsp6/q6dsp-common.h"
#include "sdw.h"
struct x1e80100_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;
struct snd_soc_jack dp_jack[8];
bool jack_setup;
};
static int x1e80100_snd_init(struct snd_soc_pcm_runtime *rtd)
{
struct x1e80100_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
struct snd_soc_jack *dp_jack = NULL;
int dp_pcm_id = 0;
switch (cpu_dai->id) {
case DISPLAY_PORT_RX_0:
dp_pcm_id = 0;
dp_jack = &data->dp_jack[dp_pcm_id];
break;
case DISPLAY_PORT_RX_1 ... DISPLAY_PORT_RX_7:
dp_pcm_id = cpu_dai->id - DISPLAY_PORT_RX_1 + 1;
dp_jack = &data->dp_jack[dp_pcm_id];
break;
default:
break;
}
if (dp_jack)
return qcom_snd_dp_jack_setup(rtd, dp_jack, dp_pcm_id);
return qcom_snd_wcd_jack_setup(rtd, &data->jack, &data->jack_setup);
}
static void x1e80100_snd_shutdown(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
struct x1e80100_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
data->sruntime[cpu_dai->id] = NULL;
sdw_release_stream(sruntime);
}
static int x1e80100_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
struct snd_soc_dai *cpu_dai = snd_soc_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;
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 x1e80100_snd_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
struct x1e80100_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
return qcom_snd_sdw_hw_params(substream, params, &data->sruntime[cpu_dai->id]);
}
static int x1e80100_snd_prepare(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
struct x1e80100_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
struct sdw_stream_runtime *sruntime = data->sruntime[cpu_dai->id];
const unsigned int rx_slot[4] = { PCM_CHANNEL_FL,
PCM_CHANNEL_LB,
PCM_CHANNEL_FR,
PCM_CHANNEL_RB };
int ret;
switch (cpu_dai->id) {
case WSA_CODEC_DMA_RX_0:
case WSA_CODEC_DMA_RX_1:
ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL,
ARRAY_SIZE(rx_slot), rx_slot);
if (ret)
return ret;
break;
default:
break;
}
return qcom_snd_sdw_prepare(substream, sruntime,
&data->stream_prepared[cpu_dai->id]);
}
static int x1e80100_snd_hw_free(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
struct x1e80100_snd_data *data = snd_soc_card_get_drvdata(rtd->card);
struct snd_soc_dai *cpu_dai = snd_soc_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 x1e80100_be_ops = {
.startup = qcom_snd_sdw_startup,
.shutdown = x1e80100_snd_shutdown,
.hw_params = x1e80100_snd_hw_params,
.hw_free = x1e80100_snd_hw_free,
.prepare = x1e80100_snd_prepare,
};
static void x1e80100_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 = x1e80100_snd_init;
link->be_hw_params_fixup = x1e80100_be_hw_params_fixup;
link->ops = &x1e80100_be_ops;
}
}
}
static int x1e80100_platform_probe(struct platform_device *pdev)
{
struct snd_soc_card *card;
struct x1e80100_snd_data *data;
struct device *dev = &pdev->dev;
int ret;
card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
if (!card)
return -ENOMEM;
/* Allocate the private data */
data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
card->owner = THIS_MODULE;
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 = "x1e80100";
x1e80100_add_be_ops(card);
return devm_snd_soc_register_card(dev, card);
}
static const struct of_device_id snd_x1e80100_dt_match[] = {
{ .compatible = "qcom,x1e80100-sndcard", },
{}
};
MODULE_DEVICE_TABLE(of, snd_x1e80100_dt_match);
static struct platform_driver snd_x1e80100_driver = {
.probe = x1e80100_platform_probe,
.driver = {
.name = "snd-x1e80100",
.of_match_table = snd_x1e80100_dt_match,
},
};
module_platform_driver(snd_x1e80100_driver);
MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org");
MODULE_AUTHOR("Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>");
MODULE_DESCRIPTION("Qualcomm X1E80100 ASoC Machine Driver");
MODULE_LICENSE("GPL");
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