hpioctl.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*******************************************************************************
 3
 4    AudioScience HPI driver
 5    Copyright (C) 1997-2011  AudioScience Inc. <support@audioscience.com>
 6
 7
 8Linux HPI ioctl, and shared module init functions
 9*******************************************************************************/
10
11int asihpi_adapter_probe(struct pci_dev *pci_dev,
12			 const struct pci_device_id *pci_id);
13void asihpi_adapter_remove(struct pci_dev *pci_dev);
14void __init asihpi_init(void);
15void __exit asihpi_exit(void);
16
17int asihpi_hpi_release(struct file *file);
18
19long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
20
21/* This is called from hpifunc.c functions, called by ALSA
22 * (or other kernel process) In this case there is no file descriptor
23 * available for the message cache code
24 */
25void hpi_send_recv(struct hpi_message *phm, struct hpi_response *phr);
26
27#define HOWNER_KERNEL ((void *)-1)