tsiry-sandratraina.com
A modern, network-enabled music player platform built on Rockbox technology.
rockboxd.tsiry-sandratraina.com
rust
deno
navidrome
airplay
libadwaita
zig
mpris
snapcast
mpd
rockbox
audio
subsonic
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id: system-target.h 28791 2010-12-11 09:39:33Z Buschel $
9 *
10 * Copyright (C) 2010 by Michael Sparmann
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
19 *
20 ****************************************************************************/
21#ifndef __PCM_TARGET_H__
22#define __PCM_TARGET_H__
23
24
25/* S5L8702 PCM driver tunables: */
26#define PCM_LLIMAX (2047) /* Maximum number of samples per LLI */
27#define PCM_CHUNKSIZE (10747) /* Maximum number of samples to handle with one IRQ */
28 /* (bigger chunks will be segmented internally) */
29#define PCM_WATERMARK (512) /* Number of remaining samples to schedule IRQ at */
30
31
32#define PCM_LLICOUNT ((PCM_CHUNKSIZE - PCM_WATERMARK + PCM_LLIMAX - 1) / PCM_LLIMAX + 1)
33
34
35extern struct dma_lli pcm_lli[PCM_LLICOUNT];
36extern size_t pcm_remaining;
37extern size_t pcm_chunksize;
38
39
40#endif /* __PCM_TARGET_H__ */