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kernel/linux-imx6_3.14.28/sound/pci/asihpi/hpioctl.h 1.55 KB
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  /*******************************************************************************
  
      AudioScience HPI driver
      Copyright (C) 1997-2011  AudioScience Inc. <support@audioscience.com>
  
      This program is free software; you can redistribute it and/or modify
      it under the terms of version 2 of the GNU General Public License as
      published by the Free Software Foundation;
  
      This program is distributed in the hope that it will be useful,
      but WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      GNU General Public License for more details.
  
      You should have received a copy of the GNU General Public License
      along with this program; if not, write to the Free Software
      Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  
  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)