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 
8 Linux HPI ioctl, and shared module init functions
9 *******************************************************************************/
10 
11 int asihpi_adapter_probe(struct pci_dev *pci_dev,
12 			 const struct pci_device_id *pci_id);
13 void asihpi_adapter_remove(struct pci_dev *pci_dev);
14 void __init asihpi_init(void);
15 void __exit asihpi_exit(void);
16 
17 int asihpi_hpi_release(struct file *file);
18 
19 long 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  */
25 void hpi_send_recv(struct hpi_message *phm, struct hpi_response *phr);
26 
27 #define HOWNER_KERNEL ((void *)-1)
28