59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
#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";
|