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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>
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/**
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* Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
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*
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* This source file is released under GPL v2 license (no other versions).
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* See the COPYING file included in the main directory of this source
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* distribution for the license terms and conditions.
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*
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* @File ctvmem.h
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*
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* @Brief
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* This file contains the definition of virtual memory management object
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* for card device.
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*
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* @Author Liu Chun
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* @Date Mar 28 2008
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*/
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#ifndef CTVMEM_H
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#define CTVMEM_H
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#define CT_PTP_NUM 1 /* num of device page table pages */
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#include <linux/spinlock.h>
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#include <linux/list.h>
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struct ct_vm_block {
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unsigned int addr; /* starting logical addr of this block */
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unsigned int size; /* size of this device virtual mem block */
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struct list_head list;
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};
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/* Virtual memory management object for card device */
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struct ct_vm {
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void *ptp[CT_PTP_NUM]; /* Device page table pages */
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unsigned int size; /* Available addr space in bytes */
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struct list_head unused; /* List of unused blocks */
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struct list_head used; /* List of used blocks */
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/* Map host addr (kmalloced/vmalloced) to device logical addr. */
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struct ct_vm_block *(*map)(struct ct_vm *, void *host_addr, int size);
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/* Unmap device logical addr area. */
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void (*unmap)(struct ct_vm *, struct ct_vm_block *block);
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void *(*get_ptp_virt)(struct ct_vm *vm, int index);
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};
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int ct_vm_create(struct ct_vm **rvm);
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void ct_vm_destroy(struct ct_vm *vm);
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#endif /* CTVMEM_H */
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