diff options
| author |   Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
|---|---|---|
| committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
| commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
| tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/sound/soc/blackfin/bf5xx-ac97.h | |
| parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) | |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/sound/soc/blackfin/bf5xx-ac97.h')
| -rw-r--r-- | kernel/sound/soc/blackfin/bf5xx-ac97.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/kernel/sound/soc/blackfin/bf5xx-ac97.h b/kernel/sound/soc/blackfin/bf5xx-ac97.h new file mode 100644 index 000000000..a680fdc9b --- /dev/null +++ b/kernel/sound/soc/blackfin/bf5xx-ac97.h @@ -0,0 +1,57 @@ +/* + * sound/soc/blackfin/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 + +/* 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 */ + u16 ac97_pcm_l; /*slot 3:front left*/ + u16 ac97_pcm_r; /*slot 4:front left*/ +#if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT) + u16 ac97_mdm_l1; + u16 ac97_center; /*slot 6:center*/ + u16 ac97_sl; /*slot 7:surround left*/ + u16 ac97_sr; /*slot 8:surround right*/ + u16 ac97_lfe; /*slot 9:lfe*/ +#endif +} __attribute__ ((packed)); + +/* Speaker location */ +#define SP_FL 0x0001 +#define SP_FR 0x0010 +#define SP_FC 0x0002 +#define SP_LFE 0x0020 +#define SP_SL 0x0004 +#define SP_SR 0x0040 + +#define SP_STEREO (SP_FL | SP_FR) +#define SP_2DOT1 (SP_FL | SP_FR | SP_LFE) +#define SP_QUAD (SP_FL | SP_FR | SP_SL | SP_SR) +#define SP_5DOT1 (SP_FL | SP_FR | SP_FC | SP_LFE | SP_SL | SP_SR) + +#define TAG_VALID 0x8000 +#define TAG_CMD 0x6000 +#define TAG_PCM_LEFT 0x1000 +#define TAG_PCM_RIGHT 0x0800 +#define TAG_PCM_MDM_L1 0x0400 +#define TAG_PCM_CENTER 0x0200 +#define TAG_PCM_SL 0x0100 +#define TAG_PCM_SR 0x0080 +#define TAG_PCM_LFE 0x0040 + +void bf5xx_pcm_to_ac97(struct ac97_frame *dst, const __u16 *src, \ + size_t count, unsigned int chan_mask); + +void bf5xx_ac97_to_pcm(const struct ac97_frame *src, __u16 *dst, \ + size_t count); + +#endif |