xref: /openbmc/linux/sound/pci/asihpi/hpioctl.h (revision 63dc02bd)
1 /*******************************************************************************
2 
3     AudioScience HPI driver
4     Copyright (C) 1997-2011  AudioScience Inc. <support@audioscience.com>
5 
6     This program is free software; you can redistribute it and/or modify
7     it under the terms of version 2 of the GNU General Public License as
8     published by the Free Software Foundation;
9 
10     This program is distributed in the hope that it will be useful,
11     but WITHOUT ANY WARRANTY; without even the implied warranty of
12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13     GNU General Public License for more details.
14 
15     You should have received a copy of the GNU General Public License
16     along with this program; if not, write to the Free Software
17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18 
19 Linux HPI ioctl, and shared module init functions
20 *******************************************************************************/
21 
22 int __devinit asihpi_adapter_probe(struct pci_dev *pci_dev,
23 	const struct pci_device_id *pci_id);
24 void __devexit asihpi_adapter_remove(struct pci_dev *pci_dev);
25 void __init asihpi_init(void);
26 void __exit asihpi_exit(void);
27 
28 int asihpi_hpi_release(struct file *file);
29 
30 long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
31 
32 /* This is called from hpifunc.c functions, called by ALSA
33  * (or other kernel process) In this case there is no file descriptor
34  * available for the message cache code
35  */
36 void hpi_send_recv(struct hpi_message *phm, struct hpi_response *phr);
37 
38 #define HOWNER_KERNEL ((void *)-1)
39