122 lines
3.2 KiB
C
122 lines
3.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
//
|
|
// phycore-ac97.c -- SoC audio for imx_phycore in AC97 mode
|
|
//
|
|
// Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/moduleparam.h>
|
|
#include <linux/device.h>
|
|
#include <linux/i2c.h>
|
|
#include <sound/core.h>
|
|
#include <sound/pcm.h>
|
|
#include <sound/soc.h>
|
|
#include <asm/mach-types.h>
|
|
|
|
#include "imx-audmux.h"
|
|
|
|
static struct snd_soc_card imx_phycore;
|
|
|
|
static const struct snd_soc_ops imx_phycore_hifi_ops = {
|
|
};
|
|
|
|
SND_SOC_DAILINK_DEFS(hifi,
|
|
DAILINK_COMP_ARRAY(COMP_CPU("imx-ssi.0")),
|
|
DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec", "wm9712-hifi")),
|
|
DAILINK_COMP_ARRAY(COMP_PLATFORM("imx-ssi.0")));
|
|
|
|
static struct snd_soc_dai_link imx_phycore_dai_ac97[] = {
|
|
{
|
|
.name = "HiFi",
|
|
.stream_name = "HiFi",
|
|
.ops = &imx_phycore_hifi_ops,
|
|
SND_SOC_DAILINK_REG(hifi),
|
|
},
|
|
};
|
|
|
|
static struct snd_soc_card imx_phycore = {
|
|
.name = "PhyCORE-ac97-audio",
|
|
.owner = THIS_MODULE,
|
|
.dai_link = imx_phycore_dai_ac97,
|
|
.num_links = ARRAY_SIZE(imx_phycore_dai_ac97),
|
|
};
|
|
|
|
static struct platform_device *imx_phycore_snd_ac97_device;
|
|
static struct platform_device *imx_phycore_snd_device;
|
|
|
|
static int __init imx_phycore_init(void)
|
|
{
|
|
int ret;
|
|
|
|
if (machine_is_pca100()) {
|
|
imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
|
|
IMX_AUDMUX_V1_PCR_SYN | /* 4wire mode */
|
|
IMX_AUDMUX_V1_PCR_TFCSEL(3) |
|
|
IMX_AUDMUX_V1_PCR_TCLKDIR | /* clock is output */
|
|
IMX_AUDMUX_V1_PCR_RXDSEL(3));
|
|
imx_audmux_v1_configure_port(3,
|
|
IMX_AUDMUX_V1_PCR_SYN | /* 4wire mode */
|
|
IMX_AUDMUX_V1_PCR_TFCSEL(0) |
|
|
IMX_AUDMUX_V1_PCR_TFSDIR |
|
|
IMX_AUDMUX_V1_PCR_RXDSEL(0));
|
|
} else if (machine_is_pcm043()) {
|
|
imx_audmux_v2_configure_port(3,
|
|
IMX_AUDMUX_V2_PTCR_SYN | /* 4wire mode */
|
|
IMX_AUDMUX_V2_PTCR_TFSEL(0) |
|
|
IMX_AUDMUX_V2_PTCR_TFSDIR,
|
|
IMX_AUDMUX_V2_PDCR_RXDSEL(0));
|
|
imx_audmux_v2_configure_port(0,
|
|
IMX_AUDMUX_V2_PTCR_SYN | /* 4wire mode */
|
|
IMX_AUDMUX_V2_PTCR_TCSEL(3) |
|
|
IMX_AUDMUX_V2_PTCR_TCLKDIR, /* clock is output */
|
|
IMX_AUDMUX_V2_PDCR_RXDSEL(3));
|
|
} else {
|
|
/* return happy. We might run on a totally different machine */
|
|
return 0;
|
|
}
|
|
|
|
imx_phycore_snd_ac97_device = platform_device_alloc("soc-audio", -1);
|
|
if (!imx_phycore_snd_ac97_device)
|
|
return -ENOMEM;
|
|
|
|
platform_set_drvdata(imx_phycore_snd_ac97_device, &imx_phycore);
|
|
ret = platform_device_add(imx_phycore_snd_ac97_device);
|
|
if (ret)
|
|
goto fail1;
|
|
|
|
imx_phycore_snd_device = platform_device_alloc("wm9712-codec", -1);
|
|
if (!imx_phycore_snd_device) {
|
|
ret = -ENOMEM;
|
|
goto fail2;
|
|
}
|
|
ret = platform_device_add(imx_phycore_snd_device);
|
|
|
|
if (ret) {
|
|
printk(KERN_ERR "ASoC: Platform device allocation failed\n");
|
|
goto fail3;
|
|
}
|
|
|
|
return 0;
|
|
|
|
fail3:
|
|
platform_device_put(imx_phycore_snd_device);
|
|
fail2:
|
|
platform_device_del(imx_phycore_snd_ac97_device);
|
|
fail1:
|
|
platform_device_put(imx_phycore_snd_ac97_device);
|
|
return ret;
|
|
}
|
|
|
|
static void __exit imx_phycore_exit(void)
|
|
{
|
|
platform_device_unregister(imx_phycore_snd_device);
|
|
platform_device_unregister(imx_phycore_snd_ac97_device);
|
|
}
|
|
|
|
late_initcall(imx_phycore_init);
|
|
module_exit(imx_phycore_exit);
|
|
|
|
MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
|
|
MODULE_DESCRIPTION("PhyCORE ALSA SoC driver");
|
|
MODULE_LICENSE("GPL");
|