firmware/export/wm8721.h

   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
  29 extern int tenthdb2master(int db);
  30 extern int tenthdb2mixer(int db);
  31
  32 extern void audiohw_set_master_vol(int vol_l, int vol_r);
  33 extern void audiohw_set_nsorder(int order);
  34 extern void audiohw_set_sample_rate(int sampling_control);
  35
  36 /* Register addresses and bits */
  37 #define LOUTVOL                 0x02
  38 #define LOUTVOL_LHPVOL_MASK     0x7f
  39 #define LOUTVOL_LZCEN           (1 << 7)
  40 #define LOUTVOL_LRHPBOTH        (1 << 8)
  41
  42 #define ROUTVOL                 0x03
  43 #define ROUTVOL_RHPVOL_MASK     0x7f
  44 #define ROUTVOL_RZCEN           (1 << 7)
  45 #define ROUTVOL_RLHPBOTH        (1 << 8)
  46
  47 #define AAPCTRL                 0x04  /* Analog audio path control */
  48 #define AAPCTRL_DACSEL          (1 << 4)
  49
  50 #define DAPCTRL                 0x05  /* Digital audio path control */
  51 #define DAPCTRL_DEEMP_DISABLE   (0 << 2)
  52 #define DAPCTRL_DEEMP_32KHz     (1 << 2)
  53 #define DAPCTRL_DEEMP_44KHz     (2 << 2)
  54 #define DAPCTRL_DEEMP_48KHz     (3 << 2)
  55 #define DAPCTRL_DEEMP_MASK      (3 << 2)
  56 #define DAPCTRL_DACMU           (1 << 3)
  57
  58 #define PDCTRL                  0x06
  59 #define PDCTRL_DACPD            (1 << 3)
  60 #define PDCTRL_OUTPD            (1 << 4)
  61 #define PDCTRL_POWEROFF         (1 << 7)
  62
  63 #define AINTFCE                 0x07
  64 #define AINTFCE_FORMAT_MSB_RJUST (0 << 0)
  65 #define AINTFCE_FORMAT_MSB_LJUST (1 << 0)
  66 #define AINTFCE_FORMAT_I2S       (2 << 0)
  67 #define AINTFCE_FORMAT_DSP       (3 << 0)
  68 #define AINTFCE_FORMAT_MASK      (3 << 0)
  69 #define AINTFCE_IWL_16BIT        (0 << 2)
  70 #define AINTFCE_IWL_20BIT        (1 << 2)
  71 #define AINTFCE_IWL_24BIT        (2 << 2)
  72 #define AINTFCE_IWL_32BIT        (3 << 2)
  73 #define AINTFCE_IWL_MASK         (3 << 2)
  74 #define AINTFCE_LRP_I2S_RLO      (0 << 4)
  75 #define AINTFCE_LRP_I2S_RHI      (1 << 4)
  76 #define AINTFCE_DSP_MODE_B       (0 << 4)
  77 #define AINTFCE_DSP_MODE_A       (1 << 4)
  78 #define AINTFCE_LRSWAP           (1 << 5)
  79 #define AINTFCE_MS               (1 << 6)
  80 #define AINTFCE_BCLKINV          (1 << 7)
  81
  82 #define SAMPCTRL                0x08
  83 #define SAMPCTRL_USB            (1 << 0)
  84 #define SAMPCTRL_BOSR_NOR_256fs (0 << 1)
  85 #define SAMPCTRL_BOSR_NOR_384fs (1 << 1)
  86 #define SAMPCTRL_BOSR_USB_250fs (0 << 1)
  87 #define SAMPCTRL_BOSR_USB_272fs (1 << 1)
  88 /* Bits 2-5:
  89  * Sample rate setting are device-specific. See WM8721 datasheet
  90  * for proper settings for the device's clocking */
  91 #define SAMPCTRL_SR_MASK        (0xf << 2)
  92 #define SAMPCTRL_CLKIDIV2       (1 << 6)
  93
  94 #define ACTIVECTRL              0x09
  95 #define ACTIVECTRL_ACTIVE       (1 << 0)
  96
  97 #define RESET                   0x0f
  98 #define RESET_RESET             0x0
  99
 100 /* SAMPCTRL values for the supported samplerates (24MHz MCLK/USB): */
 101 #define WM8721_USB24_8000HZ     0x4d
 102 #define WM8721_USB24_32000HZ    0x59
 103 #define WM8721_USB24_44100HZ    0x63
 104 #define WM8721_USB24_48000HZ    0x41
 105 #define WM8721_USB24_88200HZ    0x7f
 106 #define WM8721_USB24_96000HZ    0x5d
 107
 108 #endif /* _WM8721_H */