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iPod Classic: Fix remaining PCM issues and add DMA information to the HW debug screen

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28991 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sparmann 2011-01-07 15:16:17 +00:00
parent 67a85912c8
commit 46945eff06
3 changed files with 93 additions and 37 deletions
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40
firmware/target/arm/s5l8702/pcm-target.h Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: system-target.h 28791 2010-12-11 09:39:33Z Buschel $
*
* Copyright (C) 2010 by Michael Sparmann
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __PCM_TARGET_H__
#define __PCM_TARGET_H__
/* S5L8702 PCM driver tunables: */
#define PCM_LLIMAX (2047) /* Maximum number of samples per LLI */
#define PCM_CHUNKSIZE (10747) /* Maximum number of samples to handle with one IRQ */
/* (bigger chunks will be segmented internally) */
#define PCM_WATERMARK (512) /* Number of remaining samples to schedule IRQ at */
#define PCM_LLICOUNT ((PCM_CHUNKSIZE - PCM_WATERMARK + PCM_LLIMAX - 1) / PCM_LLIMAX + 1)
extern struct dma_lli pcm_lli[PCM_LLICOUNT];
extern size_t pcm_remaining;
extern size_t pcm_chunksize;
#endif /* __PCM_TARGET_H__ */