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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /sound/soc/sh/sh7760-ac97.c | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | sound/soc/sh/sh7760-ac97.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/sound/soc/sh/sh7760-ac97.c b/sound/soc/sh/sh7760-ac97.c new file mode 100644 index 000000000..d267243a1 --- /dev/null +++ b/sound/soc/sh/sh7760-ac97.c @@ -0,0 +1,72 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Generic AC97 sound support for SH7760 +// +// (c) 2007 Manuel Lauss + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/platform_device.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> +#include <asm/io.h> + +#define IPSEL 0xFE400034 + +SND_SOC_DAILINK_DEFS(ac97, + DAILINK_COMP_ARRAY(COMP_CPU("hac-dai.0")), /* HAC0 */ + DAILINK_COMP_ARRAY(COMP_CODEC("ac97-codec", "ac97-hifi")), + DAILINK_COMP_ARRAY(COMP_PLATFORM("sh7760-pcm-audio"))); + +static struct snd_soc_dai_link sh7760_ac97_dai = { + .name = "AC97", + .stream_name = "AC97 HiFi", + SND_SOC_DAILINK_REG(ac97), +}; + +static struct snd_soc_card sh7760_ac97_soc_machine = { + .name = "SH7760 AC97", + .owner = THIS_MODULE, + .dai_link = &sh7760_ac97_dai, + .num_links = 1, +}; + +static struct platform_device *sh7760_ac97_snd_device; + +static int __init sh7760_ac97_init(void) +{ + int ret; + unsigned short ipsel; + + /* enable both AC97 controllers in pinmux reg */ + ipsel = __raw_readw(IPSEL); + __raw_writew(ipsel | (3 << 10), IPSEL); + + ret = -ENOMEM; + sh7760_ac97_snd_device = platform_device_alloc("soc-audio", -1); + if (!sh7760_ac97_snd_device) + goto out; + + platform_set_drvdata(sh7760_ac97_snd_device, + &sh7760_ac97_soc_machine); + ret = platform_device_add(sh7760_ac97_snd_device); + + if (ret) + platform_device_put(sh7760_ac97_snd_device); + +out: + return ret; +} + +static void __exit sh7760_ac97_exit(void) +{ + platform_device_unregister(sh7760_ac97_snd_device); +} + +module_init(sh7760_ac97_init); +module_exit(sh7760_ac97_exit); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("Generic SH7760 AC97 sound machine"); +MODULE_AUTHOR("Manuel Lauss <mano@roarinelk.homelinux.net>"); |