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

Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Jarkko Nikula 2008-10-09 15:57:22 +03:00 committed by Takashi Iwai
parent 9296bb43f1
commit 8def464ddd
2 changed files with 53 additions and 35 deletions
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72
sound/soc/omap/omap-mcbsp.c
View File

@ -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>");

16
sound/soc/omap/omap-mcbsp.h
View File

@ -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];