59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
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/*
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* Driver for the Conexant CX25821 PCIe bridge
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*
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* Copyright (C) 2009 Conexant Systems Inc.
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* Authors <hiep.huynh@conexant.com>, <shu.lin@conexant.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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*
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* GNU General Public License for more details.
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*/
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#include <linux/mutex.h>
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#include <linux/workqueue.h>
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#define NUM_AUDIO_PROGS 8
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#define NUM_AUDIO_FRAMES 8
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#define END_OF_FILE 0
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#define IN_PROGRESS 1
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#define RESET_STATUS -1
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#define FIFO_DISABLE 0
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#define FIFO_ENABLE 1
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#define NUM_NO_OPS 4
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#define RISC_READ_INSTRUCTION_SIZE 12
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#define RISC_JUMP_INSTRUCTION_SIZE 12
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#define RISC_WRITECR_INSTRUCTION_SIZE 16
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#define RISC_SYNC_INSTRUCTION_SIZE 4
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#define DWORD_SIZE 4
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#define AUDIO_SYNC_LINE 4
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#define LINES_PER_AUDIO_BUFFER 15
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#define AUDIO_LINE_SIZE 128
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#define AUDIO_DATA_BUF_SZ (AUDIO_LINE_SIZE * LINES_PER_AUDIO_BUFFER)
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#define USE_RISC_NOOP_AUDIO 1
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#ifdef USE_RISC_NOOP_AUDIO
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#define AUDIO_RISC_DMA_BUF_SIZE \
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(LINES_PER_AUDIO_BUFFER * RISC_READ_INSTRUCTION_SIZE + \
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RISC_WRITECR_INSTRUCTION_SIZE + NUM_NO_OPS * DWORD_SIZE + \
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RISC_JUMP_INSTRUCTION_SIZE)
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#endif
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#ifndef USE_RISC_NOOP_AUDIO
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#define AUDIO_RISC_DMA_BUF_SIZE \
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(LINES_PER_AUDIO_BUFFER * RISC_READ_INSTRUCTION_SIZE + \
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RISC_WRITECR_INSTRUCTION_SIZE + RISC_JUMP_INSTRUCTION_SIZE)
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#endif
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static int _line_size;
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char *_defaultAudioName = "/root/audioGOOD.wav";
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