projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| f2028623 | 1 | /* |
| 7d156a25 | 2 | * sound/soc/blackfin/bf5xx-ac97.h |
| f2028623 CC |
3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify | |
| 5 | * it under the terms of the GNU General Public License version 2 as | |
| 6 | * published by the Free Software Foundation. | |
| 7 | */ | |
| 8 | ||
| 9 | #ifndef _BF5XX_AC97_H | |
| 10 | #define _BF5XX_AC97_H | |
| 11 | ||
| f2028623 CC |
12 | extern struct snd_ac97 *ac97; |
| 13 | /* Frame format in memory, only support stereo currently */ | |
| 14 | struct ac97_frame { | |
| 15 | u16 ac97_tag; /* slot 0 */ | |
| 16 | u16 ac97_addr; /* slot 1 */ | |
| 17 | u16 ac97_data; /* slot 2 */ | |
| 67f854b9 CC |
18 | u16 ac97_pcm_l; /*slot 3:front left*/ |
| 19 | u16 ac97_pcm_r; /*slot 4:front left*/ | |
| 20 | #if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT) | |
| 21 | u16 ac97_mdm_l1; | |
| 22 | u16 ac97_center; /*slot 6:center*/ | |
| 23 | u16 ac97_sl; /*slot 7:surround left*/ | |
| 24 | u16 ac97_sr; /*slot 8:surround right*/ | |
| 25 | u16 ac97_lfe; /*slot 9:lfe*/ | |
| 26 | #endif | |
| f2028623 CC |
27 | } __attribute__ ((packed)); |
| 28 | ||
| 67f854b9 CC |
29 | /* Speaker location */ |
| 30 | #define SP_FL 0x0001 | |
| 31 | #define SP_FR 0x0010 | |
| 32 | #define SP_FC 0x0002 | |
| 33 | #define SP_LFE 0x0020 | |
| 34 | #define SP_SL 0x0004 | |
| 35 | #define SP_SR 0x0040 | |
| 36 | ||
| 37 | #define SP_STEREO (SP_FL | SP_FR) | |
| 38 | #define SP_2DOT1 (SP_FL | SP_FR | SP_LFE) | |
| 39 | #define SP_QUAD (SP_FL | SP_FR | SP_SL | SP_SR) | |
| 40 | #define SP_5DOT1 (SP_FL | SP_FR | SP_FC | SP_LFE | SP_SL | SP_SR) | |
| 41 | ||
| f2028623 CC |
42 | #define TAG_VALID 0x8000 |
| 43 | #define TAG_CMD 0x6000 | |
| 44 | #define TAG_PCM_LEFT 0x1000 | |
| 45 | #define TAG_PCM_RIGHT 0x0800 | |
| 67f854b9 CC |
46 | #define TAG_PCM_MDM_L1 0x0400 |
| 47 | #define TAG_PCM_CENTER 0x0200 | |
| 48 | #define TAG_PCM_SL 0x0100 | |
| 49 | #define TAG_PCM_SR 0x0080 | |
| 50 | #define TAG_PCM_LFE 0x0040 | |
| f2028623 | 51 | |
| 67f854b9 CC |
52 | void bf5xx_pcm_to_ac97(struct ac97_frame *dst, const __u16 *src, \ |
| 53 | size_t count, unsigned int chan_mask); | |
| f2028623 | 54 | |
| 67f854b9 | 55 | void bf5xx_ac97_to_pcm(const struct ac97_frame *src, __u16 *dst, \ |
| f2028623 CC |
56 | size_t count); |
| 57 | ||
| 58 | #endif |