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author | Wai Yew CHAY <wychay@ctl.creative.com> | 2009-05-14 08:05:58 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2009-05-14 08:24:10 +0200 |
commit | 8cc72361481f00253f1e468ade5795427386d593 (patch) | |
tree | ec6f3ea304f90fa9c99abb1bf2354fc5d357db27 /sound/pci/ctxfi/ctresource.h | |
parent | 091bf7624d1c90cec9e578a18529f615213ff847 (diff) | |
download | linux-8cc72361481f00253f1e468ade5795427386d593.tar.bz2 |
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/ctresource.h')
-rw-r--r-- | sound/pci/ctxfi/ctresource.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/sound/pci/ctxfi/ctresource.h b/sound/pci/ctxfi/ctresource.h new file mode 100644 index 000000000000..0838c2e84f8b --- /dev/null +++ b/sound/pci/ctxfi/ctresource.h @@ -0,0 +1,72 @@ +/** + * 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 ctresource.h + * + * @Brief + * This file contains the definition of generic hardware resources for + * resource management. + * + * @Author Liu Chun + * @Date May 13 2008 + * + */ + +#ifndef CTRESOURCE_H +#define CTRESOURCE_H + +#include <linux/types.h> + +enum RSCTYP { + SRC, + SRCIMP, + AMIXER, + SUM, + DAIO, + NUM_RSCTYP /* This must be the last one and less than 16 */ +}; + +struct rsc_ops; + +struct rsc { + u32 idx:12; /* The index of a resource */ + u32 type:4; /* The type (RSCTYP) of a resource */ + u32 conj:12; /* Current conjugate index */ + u32 msr:4; /* The Master Sample Rate a resource working on */ + void *ctrl_blk; /* Chip specific control info block for a resource */ + void *hw; /* Chip specific object for hardware access means */ + struct rsc_ops *ops; /* Generic resource operations */ +}; + +struct rsc_ops { + int (*master)(struct rsc *rsc); /* Move to master resource */ + int (*next_conj)(struct rsc *rsc); /* Move to next conjugate resource */ + int (*index)(const struct rsc *rsc); /* Return the index of resource */ + /* Return the output slot number */ + int (*output_slot)(const struct rsc *rsc); +}; + +int rsc_init(struct rsc *rsc, u32 idx, enum RSCTYP type, u32 msr, void *hw); +int rsc_uninit(struct rsc *rsc); + +struct rsc_mgr { + enum RSCTYP type; /* The type (RSCTYP) of resource to manage */ + unsigned int amount; /* The total amount of a kind of resource */ + unsigned int avail; /* The amount of currently available resources */ + unsigned char *rscs; /* The bit-map for resource allocation */ + void *ctrl_blk; /* Chip specific control info block */ + void *hw; /* Chip specific object for hardware access */ +}; + +/* Resource management is based on bit-map mechanism */ +int rsc_mgr_init(struct rsc_mgr *mgr, enum RSCTYP type, + unsigned int amount, void *hw); +int rsc_mgr_uninit(struct rsc_mgr *mgr); +int mgr_get_resource(struct rsc_mgr *mgr, unsigned int n, unsigned int *ridx); +int mgr_put_resource(struct rsc_mgr *mgr, unsigned int n, unsigned int idx); + +#endif /* CTRESOURCE_H */ |