linux/sound/pci/asihpi/hpimsginit.h
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   1/******************************************************************************
   2
   3    AudioScience HPI driver
   4    Copyright (C) 1997-2010  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 Hardware Programming Interface (HPI) Utility functions
  20
  21 (C) Copyright AudioScience Inc. 2007
  22*******************************************************************************/
  23/* Initialise response headers, or msg/response pairs.
  24Note that it is valid to just init a response e.g. when a lower level is preparing
  25a response to a message.
  26However, when sending a message, a matching response buffer always must be prepared
  27*/
  28
  29void hpi_init_response(struct hpi_response *phr, u16 object, u16 function,
  30        u16 error);
  31
  32void hpi_init_message_response(struct hpi_message *phm,
  33        struct hpi_response *phr, u16 object, u16 function);
  34
  35void hpi_init_responseV1(struct hpi_response_header *phr, u16 size,
  36        u16 object, u16 function);
  37
  38void hpi_init_message_responseV1(struct hpi_message_header *phm, u16 msg_size,
  39        struct hpi_response_header *phr, u16 res_size, u16 object,
  40        u16 function);
  41