release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/staging/dream/include/mach/qdsp5/qdsp5audplaymsg.h

   1 #ifndef QDSP5AUDPLAYMSG_H
   2 #define QDSP5AUDPLAYMSG_H
   3
   4 /*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*
   5
   6        Q D S P 5  A U D I O   P L A Y  T A S K   M S G
   7
   8 GENERAL DESCRIPTION
   9   Message sent by AUDPLAY task
  10
  11 REFERENCES
  12   None
  13
  14
  15 Copyright(c) 1992 - 2009 by QUALCOMM, Incorporated.
  16
  17 This software is licensed under the terms of the GNU General Public
  18 License version 2, as published by the Free Software Foundation, and
  19 may be copied, distributed, and modified under those terms.
  20
  21 This program is distributed in the hope that it will be useful,
  22 but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 GNU General Public License for more details.
  25
  26 *====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*/
  27 /*===========================================================================
  28
  29                       EDIT HISTORY FOR FILE
  30
  31 This section contains comments describing changes made to this file.
  32 Notice that changes are listed in reverse chronological order.
  33
  34 $Header: //source/qcom/qct/multimedia2/Audio/drivers/QDSP5Driver/QDSP5Interface/main/latest/qdsp5audplaymsg.h#3 $
  35
  36 ===========================================================================*/
  37 #define AUDPLAY_MSG_DEC_NEEDS_DATA              0x0001
  38 #define AUDPLAY_MSG_DEC_NEEDS_DATA_MSG_LEN      \
  39         sizeof(audplay_msg_dec_needs_data)
  40
  41 typedef struct{
  42         /* reserved*/
  43         unsigned int dec_id;
  44
  45         /* The read pointer offset of external memory until which the
  46          * bitstream has been DMAed in. */
  47         unsigned int adecDataReadPtrOffset;
  48
  49         /* The buffer size of external memory. */
  50         unsigned int adecDataBufSize;
  51
  52         unsigned int bitstream_free_len;
  53         unsigned int bitstream_write_ptr;
  54         unsigned int bitstarem_buf_start;
  55         unsigned int bitstream_buf_len;
  56 } __attribute__((packed)) audplay_msg_dec_needs_data;
  57
  58 #define AUDPLAY_MSG_BUFFER_UPDATE 0x0004
  59 #define AUDPLAY_MSG_BUFFER_UPDATE_LEN \
  60         sizeof(struct audplay_msg_buffer_update)
  61
  62 struct audplay_msg_buffer_update {
  63         unsigned int buffer_write_count;
  64         unsigned int num_of_buffer;
  65         unsigned int buf0_address;
  66         unsigned int buf0_length;
  67         unsigned int buf1_address;
  68         unsigned int buf1_length;
  69 } __attribute__((packed));
  70 #endif /* QDSP5AUDPLAYMSG_H */