5113f6f70
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kernel add
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/*
* 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";
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