ce6120cca2
Decoupling Dynamic Audio Power Management (DAPM) from codec devices is required when developing ASoC further. Such as for other ASoC components to have DAPM widgets or when extending DAPM to handle cross-device paths. This patch decouples DAPM related variables from struct snd_soc_codec and moves them to new struct snd_soc_dapm_context that is used to encapsulate DAPM context of a device. ASoC core and API of DAPM functions are modified to use DAPM context instead of codec. This patch does not change current functionality and a large part of changes come because of structure and internal API changes. Core implementation is from Liam Girdwood <lrg@slimlogic.co.uk> with some minor core changes, codecs and machine driver conversions from Jarkko Nikula <jhnikula@gmail.com>. Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Jarkko Nikula <jhnikula@gmail.com> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: Manuel Lauss <manuel.lauss@googlemail.com> Cc: Mike Frysinger <vapier.adi@gmail.com> Cc: Cliff Cai <cliff.cai@analog.com> Cc: Kevin Hilman <khilman@deeprootsystems.com> Cc: Ryan Mallon <ryan@bluewatersys.com> Cc: Timur Tabi <timur@freescale.com> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: Arnaud Patard (Rtp) <arnaud.patard@rtp-net.org> Cc: Wan ZongShun <mcuos.com@gmail.com> Cc: Eric Miao <eric.y.miao@gmail.com> Cc: Jassi Brar <jassi.brar@samsung.com> Cc: Daniel Gloeckner <dg@emlix.com> Cc: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
84 lines
1.9 KiB
C
84 lines
1.9 KiB
C
/*
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* Generic AC97 sound support for SH7760
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*
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* (c) 2007 Manuel Lauss
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*
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* Licensed under the GPLv2.
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/platform_device.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/soc.h>
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#include <sound/soc-dapm.h>
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#include <asm/io.h>
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#define IPSEL 0xFE400034
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/* platform specific structs can be declared here */
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extern struct snd_soc_dai_driver sh4_hac_dai[2];
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extern struct snd_soc_platform_driver sh7760_soc_platform;
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static int machine_init(struct snd_soc_pcm_runtime *rtd)
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{
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snd_soc_dapm_sync(&rtd->codec->dapm);
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return 0;
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}
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static struct snd_soc_dai_link sh7760_ac97_dai = {
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.name = "AC97",
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.stream_name = "AC97 HiFi",
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.cpu_dai_name = "hac-dai.0", /* HAC0 */
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.codec_dai_name = "ac97-hifi",
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.platform_name = "sh7760-pcm-audio",
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.codec_name = "ac97-codec",
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.init = machine_init,
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.ops = NULL,
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};
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static struct snd_soc_card sh7760_ac97_soc_machine = {
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.name = "SH7760 AC97",
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.dai_link = &sh7760_ac97_dai,
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.num_links = 1,
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};
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static struct platform_device *sh7760_ac97_snd_device;
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static int __init sh7760_ac97_init(void)
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{
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int ret;
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unsigned short ipsel;
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/* enable both AC97 controllers in pinmux reg */
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ipsel = __raw_readw(IPSEL);
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__raw_writew(ipsel | (3 << 10), IPSEL);
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ret = -ENOMEM;
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sh7760_ac97_snd_device = platform_device_alloc("soc-audio", -1);
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if (!sh7760_ac97_snd_device)
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goto out;
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platform_set_drvdata(sh7760_ac97_snd_device,
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&sh7760_ac97_soc_machine);
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ret = platform_device_add(sh7760_ac97_snd_device);
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if (ret)
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platform_device_put(sh7760_ac97_snd_device);
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out:
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return ret;
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}
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static void __exit sh7760_ac97_exit(void)
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{
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platform_device_unregister(sh7760_ac97_snd_device);
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}
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module_init(sh7760_ac97_init);
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module_exit(sh7760_ac97_exit);
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("Generic SH7760 AC97 sound machine");
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MODULE_AUTHOR("Manuel Lauss <mano@roarinelk.homelinux.net>");
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