Commit 4a161d23 authored by Manuel Lauss's avatar Manuel Lauss Committed by Jaroslav Kysela
Browse files

ALSA: ASoC: Au12x0/Au1550 PSC Audio support 



Audio for Au12x0/Au1550 PSCs in AC97 and I2S mode, for ASoC v1 framework.

- DBDMA, AC97 and I2S drivers
- sample AC97 machine code (Db1200)

Signed-off-by: default avatarManuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: default avatarLiam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@perex.cz>
parent bf415345

include/asm-mips/mach-au1x00/au1xxx_psc.h

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@@ -204,6 +204,14 @@ typedef struct psc_i2s { 
	u32	psc_i2sudf;

} psc_i2s_t;



#define PSC_I2SCFG_OFFSET	0x08

#define PSC_I2SMASK_OFFSET	0x0C

#define PSC_I2SPCR_OFFSET	0x10

#define PSC_I2SSTAT_OFFSET	0x14

#define PSC_I2SEVENT_OFFSET	0x18

#define PSC_I2SRXTX_OFFSET	0x1C

#define PSC_I2SUDF_OFFSET	0x20



/* I2S Config Register. */

#define PSC_I2SCFG_RT_MASK	(3 << 30)

#define PSC_I2SCFG_RT_FIFO1	(0 << 30)

sound/soc/Kconfig

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@@ -24,6 +24,7 @@ config SND_SOC_AC97_BUS 
# All the supported Soc's

source "sound/soc/at32/Kconfig"

source "sound/soc/at91/Kconfig"

source "sound/soc/au1x/Kconfig"

source "sound/soc/pxa/Kconfig"

source "sound/soc/s3c24xx/Kconfig"

source "sound/soc/sh/Kconfig"

sound/soc/Makefile

+1 −1
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@@ -2,4 +2,4 @@ snd-soc-core-objs := soc-core.o soc-dapm.o 


obj-$(CONFIG_SND_SOC)	+= snd-soc-core.o

obj-$(CONFIG_SND_SOC)	+= codecs/ at32/ at91/ pxa/ s3c24xx/ sh/ fsl/ davinci/

obj-$(CONFIG_SND_SOC)	+= omap/
 
obj-$(CONFIG_SND_SOC)	+= omap/ au1x/

sound/soc/au1x/Kconfig

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##

## Au1200/Au1550 PSC + DBDMA

##

config SND_SOC_AU1XPSC

	tristate "SoC Audio for Au1200/Au1250/Au1550"

	depends on SOC_AU1200 || SOC_AU1550

	help

	  This option enables support for the Programmable Serial

	  Controllers in AC97 and I2S mode, and the Descriptor-Based DMA

	  Controller (DBDMA) as found on the Au1200/Au1250/Au1550 SoC.



config SND_SOC_AU1XPSC_I2S

	tristate



config SND_SOC_AU1XPSC_AC97

	tristate

	select AC97_BUS

	select SND_AC97_CODEC

	select SND_SOC_AC97_BUS





##

## Boards

##

config SND_SOC_SAMPLE_PSC_AC97

	tristate "Sample Au12x0/Au1550 PSC AC97 sound machine"

	depends on SND_SOC_AU1XPSC

	select SND_SOC_AU1XPSC_AC97

	select SND_SOC_AC97_CODEC

	help

	  This is a sample AC97 sound machine for use in Au12x0/Au1550

	  based systems which have audio on PSC1 (e.g. Db1200 demoboard).

sound/soc/au1x/Makefile

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# Au1200/Au1550 PSC audio

snd-soc-au1xpsc-dbdma-objs := dbdma2.o

snd-soc-au1xpsc-i2s-objs := psc-i2s.o

snd-soc-au1xpsc-ac97-objs := psc-ac97.o



obj-$(CONFIG_SND_SOC_AU1XPSC) += snd-soc-au1xpsc-dbdma.o

obj-$(CONFIG_SND_SOC_AU1XPSC_I2S) += snd-soc-au1xpsc-i2s.o

obj-$(CONFIG_SND_SOC_AU1XPSC_AC97) += snd-soc-au1xpsc-ac97.o



# Boards

snd-soc-sample-ac97-objs := sample-ac97.o



obj-$(CONFIG_SND_SOC_SAMPLE_PSC_AC97) += snd-soc-sample-ac97.o

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