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author | Wai Yew CHAY <wychay@ctl.creative.com> | 2009-05-14 06:05:58 (GMT) |
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committer | Takashi Iwai <tiwai@suse.de> | 2009-05-14 06:24:10 (GMT) |
commit | 8cc72361481f00253f1e468ade5795427386d593 (patch) | |
tree | ec6f3ea304f90fa9c99abb1bf2354fc5d357db27 /sound/pci/ctxfi/ctamixer.h | |
parent | 091bf7624d1c90cec9e578a18529f615213ff847 (diff) | |
download | linux-8cc72361481f00253f1e468ade5795427386d593.tar.xz |
ALSA: SB X-Fi driver merge
The Sound Blaster X-Fi driver supports Creative solutions based on
20K1 and 20K2 chipsets.
Supported hardware :
Creative Sound Blaster X-Fi Titanium Fatal1ty® Champion Series
Creative Sound Blaster X-Fi Titanium Fatal1ty Professional Series
Creative Sound Blaster X-Fi Titanium Professional Audio
Creative Sound Blaster X-Fi Titanium
Creative Sound Blaster X-Fi Elite Pro
Creative Sound Blaster X-Fi Platinum
Creative Sound Blaster X-Fi Fatal1ty
Creative Sound Blaster X-Fi XtremeGamer
Creative Sound Blaster X-Fi XtremeMusic
Current release features:
* ALSA PCM Playback
* ALSA Record
* ALSA Mixer
Note:
* External I/O modules detection not included.
Signed-off-by: Wai Yew CHAY <wychay@ctl.creative.com>
Singed-off-by: Ryan RICHARDS <ryan_richards@creativelabs.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/ctxfi/ctamixer.h')
-rw-r--r-- | sound/pci/ctxfi/ctamixer.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/sound/pci/ctxfi/ctamixer.h b/sound/pci/ctxfi/ctamixer.h new file mode 100644 index 0000000..cc49e5a --- /dev/null +++ b/sound/pci/ctxfi/ctamixer.h @@ -0,0 +1,96 @@ +/** + * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. + * + * This source file is released under GPL v2 license (no other versions). + * See the COPYING file included in the main directory of this source + * distribution for the license terms and conditions. + * + * @File ctamixer.h + * + * @Brief + * This file contains the definition of the Audio Mixer + * resource management object. + * + * @Author Liu Chun + * @Date May 21 2008 + * + */ + +#ifndef CTAMIXER_H +#define CTAMIXER_H + +#include "ctresource.h" +#include <linux/spinlock.h> + +/* Define the descriptor of a summation node resource */ +struct sum { + struct rsc rsc; /* Basic resource info */ + unsigned char idx[8]; +}; + +/* Define sum resource request description info */ +struct sum_desc { + unsigned int msr; +}; + +struct sum_mgr { + struct rsc_mgr mgr; /* Basic resource manager info */ + spinlock_t mgr_lock; + + /* request one sum resource */ + int (*get_sum)(struct sum_mgr *mgr, + const struct sum_desc *desc, struct sum **rsum); + /* return one sum resource */ + int (*put_sum)(struct sum_mgr *mgr, struct sum *sum); +}; + +/* Constructor and destructor of daio resource manager */ +int sum_mgr_create(void *hw, struct sum_mgr **rsum_mgr); +int sum_mgr_destroy(struct sum_mgr *sum_mgr); + +/* Define the descriptor of a amixer resource */ +struct amixer_rsc_ops; + +struct amixer { + struct rsc rsc; /* Basic resource info */ + unsigned char idx[8]; + struct rsc *input; /* pointer to a resource acting as source */ + struct sum *sum; /* Put amixer output to this summation node */ + struct amixer_rsc_ops *ops; /* AMixer specific operations */ +}; + +struct amixer_rsc_ops { + int (*set_input)(struct amixer *amixer, struct rsc *rsc); + int (*set_scale)(struct amixer *amixer, unsigned int scale); + int (*set_invalid_squash)(struct amixer *amixer, unsigned int iv); + int (*set_sum)(struct amixer *amixer, struct sum *sum); + int (*commit_write)(struct amixer *amixer); + /* Only for interleaved recording */ + int (*commit_raw_write)(struct amixer *amixer); + int (*setup)(struct amixer *amixer, struct rsc *input, + unsigned int scale, struct sum *sum); + int (*get_scale)(struct amixer *amixer); +}; + +/* Define amixer resource request description info */ +struct amixer_desc { + unsigned int msr; +}; + +struct amixer_mgr { + struct rsc_mgr mgr; /* Basic resource manager info */ + spinlock_t mgr_lock; + + /* request one amixer resource */ + int (*get_amixer)(struct amixer_mgr *mgr, + const struct amixer_desc *desc, + struct amixer **ramixer); + /* return one amixer resource */ + int (*put_amixer)(struct amixer_mgr *mgr, struct amixer *amixer); +}; + +/* Constructor and destructor of amixer resource manager */ +int amixer_mgr_create(void *hw, struct amixer_mgr **ramixer_mgr); +int amixer_mgr_destroy(struct amixer_mgr *amixer_mgr); + +#endif /* CTAMIXER_H */ |