text: /*
   *  Driver for the Conexant CX25821 PCIe bridge
   *
   *  Copyright (C) 2009 Conexant Systems Inc.
   *  Authors  <hiep.huynh@conexant.com>, <shu.lin@conexant.com>
   *
   *  This program is free software; you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation; either version 2 of the License, or
   *  (at your option) any later version.
   *
   *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
   */
  
  #include <linux/mutex.h>
  #include <linux/workqueue.h>
  
  #define NUM_AUDIO_PROGS       8
  #define NUM_AUDIO_FRAMES      8
  #define END_OF_FILE           0
  #define IN_PROGRESS           1
  #define RESET_STATUS          -1
  #define FIFO_DISABLE          0
  #define FIFO_ENABLE           1
  #define NUM_NO_OPS            4
  
  #define RISC_READ_INSTRUCTION_SIZE      12
  #define RISC_JUMP_INSTRUCTION_SIZE      12
  #define RISC_WRITECR_INSTRUCTION_SIZE   16
  #define RISC_SYNC_INSTRUCTION_SIZE      4
  #define DWORD_SIZE                      4
  #define AUDIO_SYNC_LINE                 4
  
  #define LINES_PER_AUDIO_BUFFER      15
  #define AUDIO_LINE_SIZE             128
  #define AUDIO_DATA_BUF_SZ           (AUDIO_LINE_SIZE * LINES_PER_AUDIO_BUFFER)
  
  #define USE_RISC_NOOP_AUDIO   1
  
  #ifdef USE_RISC_NOOP_AUDIO
  #define AUDIO_RISC_DMA_BUF_SIZE    (LINES_PER_AUDIO_BUFFER*RISC_READ_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + NUM_NO_OPS*DWORD_SIZE + RISC_JUMP_INSTRUCTION_SIZE)
  #endif
  
  #ifndef USE_RISC_NOOP_AUDIO
  #define AUDIO_RISC_DMA_BUF_SIZE    (LINES_PER_AUDIO_BUFFER*RISC_READ_INSTRUCTION_SIZE + RISC_WRITECR_INSTRUCTION_SIZE + RISC_JUMP_INSTRUCTION_SIZE)
  #endif
  
  static int _line_size;
  char *_defaultAudioName = "/root/audioGOOD.wav";
  