linux/sound/pci/ctxfi/ctvmem.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
 *
 * @File    ctvmem.h
 *
 * @Brief
 * This file contains the definition of virtual memory management object
 * for card device.
 *
 * @Author Liu Chun
 * @Date Mar 28 2008
 */

#ifndef CTVMEM_H
#define CTVMEM_H

#define CT_PTP_NUM …

#include <linux/mutex.h>
#include <linux/list.h>
#include <linux/pci.h>
#include <sound/memalloc.h>

/* The chip can handle the page table of 4k pages
 * (emu20k1 can handle even 8k pages, but we don't use it right now)
 */
#define CT_PAGE_SIZE …
#define CT_PAGE_SHIFT …
#define CT_PAGE_MASK …
#define CT_PAGE_ALIGN(addr) …

struct ct_vm_block { … };

struct snd_pcm_substream;

/* Virtual memory management object for card device */
struct ct_vm { … };

int ct_vm_create(struct ct_vm **rvm, struct pci_dev *pci);
void ct_vm_destroy(struct ct_vm *vm);

#endif /* CTVMEM_H */