mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-17 01:04:19 +08:00
4c1cc83fcc
Replace ugly #if (!IS_ENABLED) by if (!IS_ENABLED), remove cross-module dependencies and use classic mechanism to pass information to the machine driver. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Daniel Baluta <daniel.baluta@gmail.com> Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Link: https://lore.kernel.org/r/20210409220121.1542362-7-ranjani.sridharan@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
125 lines
3.1 KiB
C
125 lines
3.1 KiB
C
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
|
|
//
|
|
// This file is provided under a dual BSD/GPLv2 license. When using or
|
|
// redistributing this file, you may do so under either license.
|
|
//
|
|
// Copyright(c) 2018 Intel Corporation. All rights reserved.
|
|
//
|
|
// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
|
|
//
|
|
|
|
#include <linux/module.h>
|
|
#include <sound/sof.h>
|
|
#include "sof-audio.h"
|
|
#include "sof-priv.h"
|
|
|
|
static struct snd_soc_card sof_nocodec_card = {
|
|
.name = "nocodec", /* the sof- prefix is added by the core */
|
|
.topology_shortname = "sof-nocodec",
|
|
.owner = THIS_MODULE
|
|
};
|
|
|
|
static int sof_nocodec_bes_setup(struct device *dev,
|
|
struct snd_soc_dai_driver *drv,
|
|
struct snd_soc_dai_link *links,
|
|
int link_num, struct snd_soc_card *card)
|
|
{
|
|
struct snd_soc_dai_link_component *dlc;
|
|
int i;
|
|
|
|
if (!drv || !links || !card)
|
|
return -EINVAL;
|
|
|
|
/* set up BE dai_links */
|
|
for (i = 0; i < link_num; i++) {
|
|
dlc = devm_kzalloc(dev, 3 * sizeof(*dlc), GFP_KERNEL);
|
|
if (!dlc)
|
|
return -ENOMEM;
|
|
|
|
links[i].name = devm_kasprintf(dev, GFP_KERNEL,
|
|
"NoCodec-%d", i);
|
|
if (!links[i].name)
|
|
return -ENOMEM;
|
|
|
|
links[i].stream_name = links[i].name;
|
|
|
|
links[i].cpus = &dlc[0];
|
|
links[i].codecs = &dlc[1];
|
|
links[i].platforms = &dlc[2];
|
|
|
|
links[i].num_cpus = 1;
|
|
links[i].num_codecs = 1;
|
|
links[i].num_platforms = 1;
|
|
|
|
links[i].id = i;
|
|
links[i].no_pcm = 1;
|
|
links[i].cpus->dai_name = drv[i].name;
|
|
links[i].platforms->name = dev_name(dev->parent);
|
|
links[i].codecs->dai_name = "snd-soc-dummy-dai";
|
|
links[i].codecs->name = "snd-soc-dummy";
|
|
if (drv[i].playback.channels_min)
|
|
links[i].dpcm_playback = 1;
|
|
if (drv[i].capture.channels_min)
|
|
links[i].dpcm_capture = 1;
|
|
|
|
links[i].be_hw_params_fixup = sof_pcm_dai_link_fixup;
|
|
}
|
|
|
|
card->dai_link = links;
|
|
card->num_links = link_num;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sof_nocodec_setup(struct device *dev,
|
|
u32 num_dai_drivers,
|
|
struct snd_soc_dai_driver *dai_drivers)
|
|
{
|
|
struct snd_soc_dai_link *links;
|
|
|
|
/* create dummy BE dai_links */
|
|
links = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link) * num_dai_drivers, GFP_KERNEL);
|
|
if (!links)
|
|
return -ENOMEM;
|
|
|
|
return sof_nocodec_bes_setup(dev, dai_drivers, links, num_dai_drivers, &sof_nocodec_card);
|
|
}
|
|
|
|
static int sof_nocodec_probe(struct platform_device *pdev)
|
|
{
|
|
struct snd_soc_card *card = &sof_nocodec_card;
|
|
struct snd_soc_acpi_mach *mach;
|
|
int ret;
|
|
|
|
card->dev = &pdev->dev;
|
|
card->topology_shortname_created = true;
|
|
mach = pdev->dev.platform_data;
|
|
|
|
ret = sof_nocodec_setup(card->dev, mach->mach_params.num_dai_drivers,
|
|
mach->mach_params.dai_drivers);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return devm_snd_soc_register_card(&pdev->dev, card);
|
|
}
|
|
|
|
static int sof_nocodec_remove(struct platform_device *pdev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver sof_nocodec_audio = {
|
|
.probe = sof_nocodec_probe,
|
|
.remove = sof_nocodec_remove,
|
|
.driver = {
|
|
.name = "sof-nocodec",
|
|
.pm = &snd_soc_pm_ops,
|
|
},
|
|
};
|
|
module_platform_driver(sof_nocodec_audio)
|
|
|
|
MODULE_DESCRIPTION("ASoC sof nocodec");
|
|
MODULE_AUTHOR("Liam Girdwood");
|
|
MODULE_LICENSE("Dual BSD/GPL");
|
|
MODULE_ALIAS("platform:sof-nocodec");
|