diff options
| author |   Len Brown <len.brown@intel.com> | 2008-10-22 23:57:26 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-10-23 00:11:07 -0400 |
| commit | 057316cc6a5b521b332a1d7ccc871cd60c904c74 (patch) | |
| tree | 4333e608da237c73ff69b10878025cca96dcb4c8 /sound/soc/blackfin/bf5xx-ac97.h | |
| parent | panasonic-laptop: fix build (diff) | |
| parent | binfmt_elf_fdpic: Update for cputime changes. (diff) | |
| download | linux-dev-057316cc6a5b521b332a1d7ccc871cd60c904c74.tar.xz linux-dev-057316cc6a5b521b332a1d7ccc871cd60c904c74.zip | |
Merge branch 'linus' into test
Conflicts:
MAINTAINERS
arch/x86/kernel/acpi/boot.c
arch/x86/kernel/acpi/sleep.c
drivers/acpi/Kconfig
drivers/pnp/Makefile
drivers/pnp/quirks.c
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'sound/soc/blackfin/bf5xx-ac97.h')
| -rw-r--r-- | sound/soc/blackfin/bf5xx-ac97.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sound/soc/blackfin/bf5xx-ac97.h b/sound/soc/blackfin/bf5xx-ac97.h new file mode 100644 index 000000000000..3f77cc558dc0 --- /dev/null +++ b/sound/soc/blackfin/bf5xx-ac97.h @@ -0,0 +1,36 @@ +/* + * linux/sound/arm/bf5xx-ac97.h + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef _BF5XX_AC97_H +#define _BF5XX_AC97_H + +extern struct snd_ac97_bus_ops bf5xx_ac97_ops; +extern struct snd_ac97 *ac97; +/* Frame format in memory, only support stereo currently */ +struct ac97_frame { + u16 ac97_tag; /* slot 0 */ + u16 ac97_addr; /* slot 1 */ + u16 ac97_data; /* slot 2 */ + u32 ac97_pcm; /* slot 3 and 4: left and right pcm data */ +} __attribute__ ((packed)); + +#define TAG_VALID 0x8000 +#define TAG_CMD 0x6000 +#define TAG_PCM_LEFT 0x1000 +#define TAG_PCM_RIGHT 0x0800 +#define TAG_PCM (TAG_PCM_LEFT | TAG_PCM_RIGHT) + +extern struct snd_soc_dai bfin_ac97_dai; + +void bf5xx_pcm_to_ac97(struct ac97_frame *dst, const __u32 *src, \ + size_t count); + +void bf5xx_ac97_to_pcm(const struct ac97_frame *src, __u32 *dst, \ + size_t count); + +#endif |