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/* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
enum {
STUB_RX,
STUB_TX,
STUB_1_RX,
STUB_1_TX,
STUB_DTMF_TX,
STUB_HOST_RX_CAPTURE_TX,
STUB_HOST_RX_PLAYBACK_RX,
STUB_HOST_TX_CAPTURE_TX,
STUB_HOST_TX_PLAYBACK_RX,
};
static int msm_dai_stub_set_channel_map(struct snd_soc_dai *dai,
unsigned int tx_num, unsigned int *tx_slot,
unsigned int rx_num, unsigned int *rx_slot)
{
pr_debug("%s:\n", __func__);
return 0;
}
static struct snd_soc_dai_ops msm_dai_stub_ops = {
.set_channel_map = msm_dai_stub_set_channel_map,
};
static int msm_dai_stub_add_route(struct snd_soc_dai *dai)
{
struct snd_soc_dapm_route intercon;
struct snd_soc_dapm_context *dapm;
if (!dai || !dai->driver) {
pr_err("%s Invalid params\n", __func__);
return -EINVAL;
}
dapm = snd_soc_component_get_dapm(dai->component);
memset(&intercon, 0 , sizeof(intercon));
if (dai->driver->playback.stream_name &&
dai->driver->playback.aif_name) {
dev_dbg(dai->dev, "%s add route for widget %s",
__func__, dai->driver->playback.stream_name);
intercon.source = dai->driver->playback.aif_name;
intercon.sink = dai->driver->playback.stream_name;
dev_dbg(dai->dev, "%s src %s sink %s\n",
__func__, intercon.source, intercon.sink);
snd_soc_dapm_add_routes(dapm, &intercon, 1);
}
if (dai->driver->capture.stream_name &&
dai->driver->capture.aif_name) {
dev_dbg(dai->dev, "%s add route for widget %s",
__func__, dai->driver->capture.stream_name);
intercon.sink = dai->driver->capture.aif_name;
intercon.source = dai->driver->capture.stream_name;
dev_dbg(dai->dev, "%s src %s sink %s\n",
__func__, intercon.source, intercon.sink);
snd_soc_dapm_add_routes(dapm, &intercon, 1);
}
return 0;
}
static int msm_dai_stub_dai_probe(struct snd_soc_dai *dai)
{
return msm_dai_stub_add_route(dai);
}
static int msm_dai_stub_dai_remove(struct snd_soc_dai *dai)
{
pr_debug("%s:\n", __func__);
return 0;
}
static struct snd_soc_dai_driver msm_dai_stub_dai_rx = {
.playback = {
.stream_name = "Stub Playback",
.aif_name = "STUB_RX",
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.channels_min = 1,
.channels_max = 2,
.rate_min = 8000,
.rate_max = 48000,
},
.ops = &msm_dai_stub_ops,
.probe = &msm_dai_stub_dai_probe,
.remove = &msm_dai_stub_dai_remove,
};
static struct snd_soc_dai_driver msm_dai_stub_dai_tx[] = {
{
.capture = {
.stream_name = "Stub Capture",
.aif_name = "STUB_TX",
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.channels_min = 1,
.channels_max = 2,
.rate_min = 8000,
.rate_max = 48000,
},
.ops = &msm_dai_stub_ops,
.probe = &msm_dai_stub_dai_probe,
.remove = &msm_dai_stub_dai_remove,
},
{
.capture = {
.stream_name = "Stub1 Capture",
.aif_name = "STUB_1_TX",
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.channels_min = 1,
.channels_max = 2,
.rate_min = 8000,
.rate_max = 48000,
},
.ops = &msm_dai_stub_ops,
.probe = &msm_dai_stub_dai_probe,
.remove = &msm_dai_stub_dai_remove,
}
};
static struct snd_soc_dai_driver msm_dai_stub_dtmf_tx_dai = {
.capture = {
.stream_name = "DTMF TX",
.aif_name = "STUB_DTMF_TX",
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.channels_min = 1,
.channels_max = 2,
.rate_min = 8000,
.rate_max = 48000,
},
.ops = &msm_dai_stub_ops,
.probe = &msm_dai_stub_dai_probe,
.remove = &msm_dai_stub_dai_remove,
};
static struct snd_soc_dai_driver msm_dai_stub_host_capture_tx_dai[] = {
{
.capture = {
.stream_name = "CS-VOICE HOST RX CAPTURE",
.aif_name = "STUB_HOST_RX_CAPTURE_TX",
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.channels_min = 1,
.channels_max = 2,
.rate_min = 8000,
.rate_max = 48000,
},
.ops = &msm_dai_stub_ops,
.probe = &msm_dai_stub_dai_probe,
.remove = &msm_dai_stub_dai_remove,
},
{
.capture = {
.stream_name = "CS-VOICE HOST TX CAPTURE",
.aif_name = "STUB_HOST_TX_CAPTURE_TX",
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.channels_min = 1,
.channels_max = 2,
.rate_min = 8000,
.rate_max = 48000,
},
.ops = &msm_dai_stub_ops,
.probe = &msm_dai_stub_dai_probe,
.remove = &msm_dai_stub_dai_remove,
},
};
static struct snd_soc_dai_driver msm_dai_stub_host_playback_rx_dai[] = {
{
.playback = {
.stream_name = "CS-VOICE HOST RX PLAYBACK",
.aif_name = "STUB_HOST_RX_PLAYBACK_RX",
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.channels_min = 1,
.channels_max = 2,
.rate_min = 8000,
.rate_max = 48000,
},
.ops = &msm_dai_stub_ops,
.probe = &msm_dai_stub_dai_probe,
.remove = &msm_dai_stub_dai_remove,
},
{
.playback = {
.stream_name = "CS-VOICE HOST TX PLAYBACK",
.aif_name = "STUB_HOST_TX_PLAYBACK_RX",
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.channels_min = 1,
.channels_max = 2,
.rate_min = 8000,
.rate_max = 48000,
},
.ops = &msm_dai_stub_ops,
.probe = &msm_dai_stub_dai_probe,
.remove = &msm_dai_stub_dai_remove,
},
};
static const struct snd_soc_component_driver msm_dai_stub_component = {
.name = "msm-dai-stub-dev",
};
static int msm_dai_stub_dev_probe(struct platform_device *pdev)
{
int rc, id = -1;
const char *stub_dev_id = "qcom,msm-dai-stub-dev-id";
rc = of_property_read_u32(pdev->dev.of_node, stub_dev_id, &id);
if (rc) {
dev_err(&pdev->dev,
"%s: missing %s in dt node\n", __func__, stub_dev_id);
return rc;
}
pdev->id = id;
pr_debug("%s: dev name %s, id:%d\n", __func__,
dev_name(&pdev->dev), pdev->id);
switch (id) {
case STUB_RX:
rc = snd_soc_register_component(&pdev->dev,
&msm_dai_stub_component, &msm_dai_stub_dai_rx, 1);
break;
case STUB_TX:
rc = snd_soc_register_component(&pdev->dev,
&msm_dai_stub_component, &msm_dai_stub_dai_tx[0], 1);
break;
case STUB_1_TX:
rc = snd_soc_register_component(&pdev->dev,
&msm_dai_stub_component, &msm_dai_stub_dai_tx[1], 1);
break;
case STUB_DTMF_TX:
rc = snd_soc_register_component(&pdev->dev,
&msm_dai_stub_component,
&msm_dai_stub_dtmf_tx_dai, 1);
break;
case STUB_HOST_RX_CAPTURE_TX:
rc = snd_soc_register_component(&pdev->dev,
&msm_dai_stub_component,
&msm_dai_stub_host_capture_tx_dai[0], 1);
break;
case STUB_HOST_TX_CAPTURE_TX:
rc = snd_soc_register_component(&pdev->dev,
&msm_dai_stub_component,
&msm_dai_stub_host_capture_tx_dai[1], 1);
break;
case STUB_HOST_RX_PLAYBACK_RX:
rc = snd_soc_register_component(&pdev->dev,
&msm_dai_stub_component,
&msm_dai_stub_host_playback_rx_dai[0], 1);
break;
case STUB_HOST_TX_PLAYBACK_RX:
rc = snd_soc_register_component(&pdev->dev,
&msm_dai_stub_component,
&msm_dai_stub_host_playback_rx_dai[1], 1);
break;
}
return rc;
}
static int msm_dai_stub_dev_remove(struct platform_device *pdev)
{
snd_soc_unregister_component(&pdev->dev);
return 0;
}
static const struct of_device_id msm_dai_stub_dev_dt_match[] = {
{ .compatible = "qcom,msm-dai-stub-dev", },
{ }
};
MODULE_DEVICE_TABLE(of, msm_dai_stub_dev_dt_match);
static struct platform_driver msm_dai_stub_dev = {
.probe = msm_dai_stub_dev_probe,
.remove = msm_dai_stub_dev_remove,
.driver = {
.name = "msm-dai-stub-dev",
.owner = THIS_MODULE,
.of_match_table = msm_dai_stub_dev_dt_match,
},
};
static int msm_dai_stub_probe(struct platform_device *pdev)
{
int rc = 0;
dev_dbg(&pdev->dev, "dev name %s\n", dev_name(&pdev->dev));
rc = of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);
if (rc) {
dev_err(&pdev->dev, "%s: failed to add child nodes, rc=%d\n",
__func__, rc);
} else
dev_dbg(&pdev->dev, "%s: added child node\n", __func__);
return rc;
}
static int msm_dai_stub_remove(struct platform_device *pdev)
{
pr_debug("%s:\n", __func__);
return 0;
}
static const struct of_device_id msm_dai_stub_dt_match[] = {
{.compatible = "qcom,msm-dai-stub"},
{}
};
MODULE_DEVICE_TABLE(of, msm_dai_stub_dt_match);
static struct platform_driver msm_dai_stub_driver = {
.probe = msm_dai_stub_probe,
.remove = msm_dai_stub_remove,
.driver = {
.name = "msm-dai-stub",
.owner = THIS_MODULE,
.of_match_table = msm_dai_stub_dt_match,
},
};
static int __init msm_dai_stub_init(void)
{
int rc = 0;
pr_debug("%s:\n", __func__);
rc = platform_driver_register(&msm_dai_stub_driver);
if (rc) {
pr_err("%s: fail to register dai q6 driver", __func__);
goto fail;
}
rc = platform_driver_register(&msm_dai_stub_dev);
if (rc) {
pr_err("%s: fail to register dai q6 dev driver", __func__);
goto dai_stub_dev_fail;
}
return rc;
dai_stub_dev_fail:
platform_driver_unregister(&msm_dai_stub_driver);
fail:
return rc;
}
module_init(msm_dai_stub_init);
static void __exit msm_dai_stub_exit(void)
{
pr_debug("%s:\n", __func__);
platform_driver_unregister(&msm_dai_stub_dev);
platform_driver_unregister(&msm_dai_stub_driver);
}
module_exit(msm_dai_stub_exit);
/* Module information */
MODULE_DESCRIPTION("MSM Stub DSP DAI driver");
MODULE_LICENSE("GPL v2");
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