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Commit 8def464d authored by Jarkko Nikula's avatar Jarkko Nikula Committed by Takashi Iwai
Browse files

ALSA: ASoC: OMAP: Add multilink support to McBSP DAI driver 



Signed-off-by: default avatarJarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 9296bb43

sound/soc/omap/omap-mcbsp.c

+42 −30
Original line number Diff line number Diff line
@@ -381,37 +381,49 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai, 
	return err;

}



struct snd_soc_dai omap_mcbsp_dai[NUM_LINKS] = {

{

	.name = "omap-mcbsp-dai",

	.id = 0,

	.type = SND_SOC_DAI_I2S,

	.playback = {

		.channels_min = 2,

		.channels_max = 2,

		.rates = OMAP_MCBSP_RATES,

		.formats = SNDRV_PCM_FMTBIT_S16_LE,

	},

	.capture = {

		.channels_min = 2,

		.channels_max = 2,

		.rates = OMAP_MCBSP_RATES,

		.formats = SNDRV_PCM_FMTBIT_S16_LE,

	},

	.ops = {

		.startup = omap_mcbsp_dai_startup,

		.shutdown = omap_mcbsp_dai_shutdown,

		.trigger = omap_mcbsp_dai_trigger,

		.hw_params = omap_mcbsp_dai_hw_params,

	},

	.dai_ops = {

		.set_fmt = omap_mcbsp_dai_set_dai_fmt,

		.set_clkdiv = omap_mcbsp_dai_set_clkdiv,

		.set_sysclk = omap_mcbsp_dai_set_dai_sysclk,

	},

	.private_data = &mcbsp_data[0].bus_id,

},

#define OMAP_MCBSP_DAI_BUILDER(link_id)				\

{								\

	.name = "omap-mcbsp-dai-(link_id)",			\

	.id = (link_id),					\

	.type = SND_SOC_DAI_I2S,				\

	.playback = {						\

		.channels_min = 2,				\

		.channels_max = 2,				\

		.rates = OMAP_MCBSP_RATES,			\

		.formats = SNDRV_PCM_FMTBIT_S16_LE,		\

	},							\

	.capture = {						\

		.channels_min = 2,				\

		.channels_max = 2,				\

		.rates = OMAP_MCBSP_RATES,			\

		.formats = SNDRV_PCM_FMTBIT_S16_LE,		\

	},							\

	.ops = {						\

		.startup = omap_mcbsp_dai_startup,		\

		.shutdown = omap_mcbsp_dai_shutdown,		\

		.trigger = omap_mcbsp_dai_trigger,		\

		.hw_params = omap_mcbsp_dai_hw_params,		\

	},							\

	.dai_ops = {						\

		.set_fmt = omap_mcbsp_dai_set_dai_fmt,		\

		.set_clkdiv = omap_mcbsp_dai_set_clkdiv,	\

		.set_sysclk = omap_mcbsp_dai_set_dai_sysclk,	\

	},							\

	.private_data = &mcbsp_data[(link_id)].bus_id,		\

}



struct snd_soc_dai omap_mcbsp_dai[] = {

	OMAP_MCBSP_DAI_BUILDER(0),

	OMAP_MCBSP_DAI_BUILDER(1),

#if NUM_LINKS >= 3

	OMAP_MCBSP_DAI_BUILDER(2),

#endif

#if NUM_LINKS == 5

	OMAP_MCBSP_DAI_BUILDER(3),

	OMAP_MCBSP_DAI_BUILDER(4),

#endif

};



EXPORT_SYMBOL_GPL(omap_mcbsp_dai);



MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@nokia.com>");

sound/soc/omap/omap-mcbsp.h

+11 −5
Original line number Diff line number Diff line
@@ -38,11 +38,17 @@ enum omap_mcbsp_div { 
	OMAP_MCBSP_CLKGDV,		/* Sample rate generator divider */

};



/*

 * REVISIT: Preparation for the ASoC v2. Let the number of available links to

 * be same than number of McBSP ports found in OMAP(s) we are compiling for.

 */

#define NUM_LINKS	1

#if defined(CONFIG_ARCH_OMAP2420)

#define NUM_LINKS	2

#endif

#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX)

#undef  NUM_LINKS

#define NUM_LINKS	3

#endif

#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP34XX)

#undef  NUM_LINKS

#define NUM_LINKS	5

#endif



extern struct snd_soc_dai omap_mcbsp_dai[NUM_LINKS];