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-rw-r--r--firmware/export/wm8721.h106
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diff --git a/firmware/export/wm8721.h b/firmware/export/wm8721.h
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1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2005 by Dave Chapman
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
22#ifndef _WM8721_H
23#define _WM8721_H
24
25/* volume/balance/treble/bass interdependency */
26#define VOLUME_MIN -730
27#define VOLUME_MAX 60
28
29extern int tenthdb2master(int db);
30
31extern void audiohw_set_master_vol(int vol_l, int vol_r);
32extern void audiohw_set_sample_rate(int sampling_control);
33
34/* Register addresses and bits */
35#define LOUTVOL 0x02
36#define LOUTVOL_LHPVOL_MASK 0x7f
37#define LOUTVOL_LZCEN (1 << 7)
38#define LOUTVOL_LRHPBOTH (1 << 8)
39
40#define ROUTVOL 0x03
41#define ROUTVOL_RHPVOL_MASK 0x7f
42#define ROUTVOL_RZCEN (1 << 7)
43#define ROUTVOL_RLHPBOTH (1 << 8)
44
45#define AAPCTRL 0x04 /* Analog audio path control */
46#define AAPCTRL_DACSEL (1 << 4)
47
48#define DAPCTRL 0x05 /* Digital audio path control */
49#define DAPCTRL_DEEMP_DISABLE (0 << 2)
50#define DAPCTRL_DEEMP_32KHz (1 << 2)
51#define DAPCTRL_DEEMP_44KHz (2 << 2)
52#define DAPCTRL_DEEMP_48KHz (3 << 2)
53#define DAPCTRL_DEEMP_MASK (3 << 2)
54#define DAPCTRL_DACMU (1 << 3)
55
56#define PDCTRL 0x06
57#define PDCTRL_DACPD (1 << 3)
58#define PDCTRL_OUTPD (1 << 4)
59#define PDCTRL_POWEROFF (1 << 7)
60
61#define AINTFCE 0x07
62#define AINTFCE_FORMAT_MSB_RJUST (0 << 0)
63#define AINTFCE_FORMAT_MSB_LJUST (1 << 0)
64#define AINTFCE_FORMAT_I2S (2 << 0)
65#define AINTFCE_FORMAT_DSP (3 << 0)
66#define AINTFCE_FORMAT_MASK (3 << 0)
67#define AINTFCE_IWL_16BIT (0 << 2)
68#define AINTFCE_IWL_20BIT (1 << 2)
69#define AINTFCE_IWL_24BIT (2 << 2)
70#define AINTFCE_IWL_32BIT (3 << 2)
71#define AINTFCE_IWL_MASK (3 << 2)
72#define AINTFCE_LRP_I2S_RLO (0 << 4)
73#define AINTFCE_LRP_I2S_RHI (1 << 4)
74#define AINTFCE_DSP_MODE_B (0 << 4)
75#define AINTFCE_DSP_MODE_A (1 << 4)
76#define AINTFCE_LRSWAP (1 << 5)
77#define AINTFCE_MS (1 << 6)
78#define AINTFCE_BCLKINV (1 << 7)
79
80#define SAMPCTRL 0x08
81#define SAMPCTRL_USB (1 << 0)
82#define SAMPCTRL_BOSR_NOR_256fs (0 << 1)
83#define SAMPCTRL_BOSR_NOR_384fs (1 << 1)
84#define SAMPCTRL_BOSR_USB_250fs (0 << 1)
85#define SAMPCTRL_BOSR_USB_272fs (1 << 1)
86/* Bits 2-5:
87 * Sample rate setting are device-specific. See WM8721 datasheet
88 * for proper settings for the device's clocking */
89#define SAMPCTRL_SR_MASK (0xf << 2)
90#define SAMPCTRL_CLKIDIV2 (1 << 6)
91
92#define ACTIVECTRL 0x09
93#define ACTIVECTRL_ACTIVE (1 << 0)
94
95#define RESET 0x0f
96#define RESET_RESET 0x0
97
98/* SAMPCTRL values for the supported samplerates (24MHz MCLK/USB): */
99#define WM8721_USB24_8000HZ 0x4d
100#define WM8721_USB24_32000HZ 0x59
101#define WM8721_USB24_44100HZ 0x63
102#define WM8721_USB24_48000HZ 0x41
103#define WM8721_USB24_88200HZ 0x7f
104#define WM8721_USB24_96000HZ 0x5d
105
106#endif /* _WM8721_H */