rockbox/firmware/export/wm8721.h
Daniel Stenberg 2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00

108 lines
3.9 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 by Dave Chapman
*
* 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 _WM8721_H
#define _WM8721_H
/* volume/balance/treble/bass interdependency */
#define VOLUME_MIN -730
#define VOLUME_MAX 60
extern int tenthdb2master(int db);
extern int tenthdb2mixer(int db);
extern void audiohw_set_master_vol(int vol_l, int vol_r);
extern void audiohw_set_nsorder(int order);
extern void audiohw_set_sample_rate(int sampling_control);
/* Register addresses and bits */
#define LOUTVOL 0x02
#define LOUTVOL_LHPVOL_MASK 0x7f
#define LOUTVOL_LZCEN (1 << 7)
#define LOUTVOL_LRHPBOTH (1 << 8)
#define ROUTVOL 0x03
#define ROUTVOL_RHPVOL_MASK 0x7f
#define ROUTVOL_RZCEN (1 << 7)
#define ROUTVOL_RLHPBOTH (1 << 8)
#define AAPCTRL 0x04 /* Analog audio path control */
#define AAPCTRL_DACSEL (1 << 4)
#define DAPCTRL 0x05 /* Digital audio path control */
#define DAPCTRL_DEEMP_DISABLE (0 << 2)
#define DAPCTRL_DEEMP_32KHz (1 << 2)
#define DAPCTRL_DEEMP_44KHz (2 << 2)
#define DAPCTRL_DEEMP_48KHz (3 << 2)
#define DAPCTRL_DEEMP_MASK (3 << 2)
#define DAPCTRL_DACMU (1 << 3)
#define PDCTRL 0x06
#define PDCTRL_DACPD (1 << 3)
#define PDCTRL_OUTPD (1 << 4)
#define PDCTRL_POWEROFF (1 << 7)
#define AINTFCE 0x07
#define AINTFCE_FORMAT_MSB_RJUST (0 << 0)
#define AINTFCE_FORMAT_MSB_LJUST (1 << 0)
#define AINTFCE_FORMAT_I2S (2 << 0)
#define AINTFCE_FORMAT_DSP (3 << 0)
#define AINTFCE_FORMAT_MASK (3 << 0)
#define AINTFCE_IWL_16BIT (0 << 2)
#define AINTFCE_IWL_20BIT (1 << 2)
#define AINTFCE_IWL_24BIT (2 << 2)
#define AINTFCE_IWL_32BIT (3 << 2)
#define AINTFCE_IWL_MASK (3 << 2)
#define AINTFCE_LRP_I2S_RLO (0 << 4)
#define AINTFCE_LRP_I2S_RHI (1 << 4)
#define AINTFCE_DSP_MODE_B (0 << 4)
#define AINTFCE_DSP_MODE_A (1 << 4)
#define AINTFCE_LRSWAP (1 << 5)
#define AINTFCE_MS (1 << 6)
#define AINTFCE_BCLKINV (1 << 7)
#define SAMPCTRL 0x08
#define SAMPCTRL_USB (1 << 0)
#define SAMPCTRL_BOSR_NOR_256fs (0 << 1)
#define SAMPCTRL_BOSR_NOR_384fs (1 << 1)
#define SAMPCTRL_BOSR_USB_250fs (0 << 1)
#define SAMPCTRL_BOSR_USB_272fs (1 << 1)
/* Bits 2-5:
* Sample rate setting are device-specific. See WM8721 datasheet
* for proper settings for the device's clocking */
#define SAMPCTRL_SR_MASK (0xf << 2)
#define SAMPCTRL_CLKIDIV2 (1 << 6)
#define ACTIVECTRL 0x09
#define ACTIVECTRL_ACTIVE (1 << 0)
#define RESET 0x0f
#define RESET_RESET 0x0
/* SAMPCTRL values for the supported samplerates (24MHz MCLK/USB): */
#define WM8721_USB24_8000HZ 0x4d
#define WM8721_USB24_32000HZ 0x59
#define WM8721_USB24_44100HZ 0x63
#define WM8721_USB24_48000HZ 0x41
#define WM8721_USB24_88200HZ 0x7f
#define WM8721_USB24_96000HZ 0x5d
#endif /* _WM8721_H */