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linux-next/sound/pci/asihpi/hpioctl.h

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/* SPDX-License-Identifier: GPL-2.0-only */
/*******************************************************************************
AudioScience HPI driver
Copyright (C) 1997-2011 AudioScience Inc. <support@audioscience.com>
Linux HPI ioctl, and shared module init functions
*******************************************************************************/
int asihpi_adapter_probe(struct pci_dev *pci_dev,
const struct pci_device_id *pci_id);
void asihpi_adapter_remove(struct pci_dev *pci_dev);
void __init asihpi_init(void);
void __exit asihpi_exit(void);
int asihpi_hpi_release(struct file *file);
long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
/* This is called from hpifunc.c functions, called by ALSA
* (or other kernel process) In this case there is no file descriptor
* available for the message cache code
*/
void hpi_send_recv(struct hpi_message *phm, struct hpi_response *phr);
#define HOWNER_KERNEL ((void *)-1)