sound/pci/asihpi/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
   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)