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ALSA: SB X-Fi driver merge

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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>
This commit is contained in:
Wai Yew CHAY
2009-05-14 08:05:58 +02:00
committed by Takashi Iwai
parent 091bf7624d
commit 8cc7236148
32 changed files with 12387 additions and 0 deletions
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72
sound/pci/ctxfi/ctresource.h Normal file
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/**
* 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 */