firmware/export/wm8731.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2005 by Dave Chapman
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20 #ifndef _WM8731_H
  21 #define _WM8731_H
  22
  23 /* volume/balance/treble/bass interdependency */
  24 #define VOLUME_MIN -730
  25 #define VOLUME_MAX  60
  26
  27 extern int tenthdb2master(int db);
  28 extern int tenthdb2mixer(int db);
  29
  30 extern void audiohw_preinit(void);
  31 extern void audiohw_set_master_vol(int vol_l, int vol_r);
  32 extern void audiohw_set_nsorder(int order);
  33 extern void audiohw_set_sample_rate(int sampling_control);
  34
  35 /* Register addresses and bits */
  36 #define LINVOL                  0x00
  37 #define LINVOL_MASK             0x1f
  38 #define LINVOL_LRINBOTH         (1 << 8)
  39 #define LINVOL_LINMUTE          (1 << 7)
  40
  41 #define RINVOL                  0x01
  42 #define RINVOL_MASK             0x1f
  43 #define RINVOL_RINMUTE          (1 << 7)
  44 #define RINVOL_RLINBOTH         (1 << 8)
  45
  46 #define LOUTVOL                 0x02
  47 #define LOUTVOL_LHPVOL_MASK     0x7f
  48 #define LOUTVOL_LZCEN           (1 << 7)
  49 #define LOUTVOL_LRHP_BOTH       (1 << 8)
  50
  51 #define ROUTVOL                 0x03
  52 #define ROUTVOL_RHPVOL_MASK     0x7f
  53 #define ROUTVOL_RZCEN           (1 << 7)
  54 #define ROUTVOL_RLHP_BOTH       (1 << 8)
  55
  56 #define AAPCTRL                 0x04  /* Analog audio path control */
  57 #define AAPCTRL_MIC_BOOST       (1 << 0)
  58 #define AAPCTRL_MUTEMIC         (1 << 1)
  59 #define AAPCTRL_INSEL           (1 << 2)
  60 #define AAPCTRL_BYPASS          (1 << 3)
  61 #define AAPCTRL_DACSEL          (1 << 4)
  62 #define AAPCTRL_SIDETONE        (1 << 5)
  63 #define AAPCTRL_SIDEATT_6dB     (3 << 6)
  64 #define AAPCTRL_SIDEATT_9dB     (1 << 6)
  65 #define AAPCTRL_SIDEATT_12dB    (2 << 6)
  66 #define AAPCTRL_SIDEATT_15dB    (3 << 6)
  67
  68 #define DAPCTRL                 0x05  /* Digital audio path control */
  69 #define DAPCTRL_ADCHPD          (1 << 0)
  70 #define DAPCTRL_DEEMP_DISABLE   (0 << 2)
  71 #define DAPCTRL_DEEMP_32KHz     (1 << 2)
  72 #define DAPCTRL_DEEMP_44KHz     (2 << 2)
  73 #define DAPCTRL_DEEMP_48KHz     (3 << 2)
  74 #define DAPCTRL_DEEMP_MASK      (3 << 2)
  75 #define DAPCTRL_DACMU           (1 << 3)
  76 #define DAPCTRL_HPOR            (1 << 4)
  77
  78 #define PDCTRL                  0x06
  79 #define PDCTRL_LINEINPD         (1 << 0)
  80 #define PDCTRL_MICPD            (1 << 1)
  81 #define PDCTRL_ADCPD            (1 << 2)
  82 #define PDCTRL_DACPD            (1 << 3)
  83 #define PDCTRL_OUTPD            (1 << 4)
  84 #define PDCTRL_OSCPD            (1 << 5)
  85 #define PDCTRL_CLKOUTPD         (1 << 6)
  86 #define PDCTRL_POWEROFF         (1 << 7)
  87
  88 #define AINTFCE                     0x07
  89 #define AINTFCE_FORMAT_MSB_RJUST (0 << 0)
  90 #define AINTFCE_FORMAT_MSB_LJUST (1 << 0)
  91 #define AINTFCE_FORMAT_I2S      (2 << 0)
  92 #define AINTFCE_FORMAT_DSP      (3 << 0)
  93 #define AINTFCE_FORMAT_MASK     (3 << 0)
  94 #define AINTFCE_IWL_16BIT       (0 << 2)
  95 #define AINTFCE_IWL_20BIT       (1 << 2)
  96 #define AINTFCE_IWL_24BIT       (2 << 2)
  97 #define AINTFCE_IWL_32BIT       (3 << 2)
  98 #define AINTFCE_IWL_MASK        (3 << 2)
  99 #define AINTFCE_LRP_I2S_RLO     (0 << 4)
 100 #define AINTFCE_LRP_I2S_RHI     (1 << 4)
 101 #define AINTFCE_DSP_MODE_B      (0 << 4)
 102 #define AINTFCE_DSP_MODE_A      (1 << 4)
 103 #define AINTFCE_LRSWAP          (1 << 5)
 104 #define AINTFCE_MS              (1 << 6)
 105 #define AINTFCE_BCLKINV         (1 << 7)
 106
 107 #define SAMPCTRL                0x08
 108 #define SAMPCTRL_USB            (1 << 0)
 109 #define SAMPCTRL_BOSR_NOR_256fs (0 << 1)
 110 #define SAMPCTRL_BOSR_NOR_384fs (1 << 1)
 111 #define SAMPCTRL_BOSR_USB_250fs (0 << 1)
 112 #define SAMPCTRL_BOSR_USB_272fs (1 << 1)
 113 /* Bits 2-5:
 114  * Sample rate setting are device-specific. See WM8731(L) datasheet
 115  * for proper settings for the device's clocking */
 116 #define SAMPCTRL_SR_MASK        (0xf << 2)
 117 #define SAMPCTRL_CLKIDIV2       (1 << 6)
 118 #define SAMPCTRL_CLKODIV2       (1 << 7)
 119
 120 #define ACTIVECTRL              0x09
 121 #define ACTIVECTRL_ACTIVE       (1 << 0)
 122
 123 #define RESET                   0x0f
 124 #define RESET_RESET             0x0
 125
 126 /* SAMPCTRL values for the supported samplerates (24MHz MCLK/USB): */
 127 #define WM8731_USB24_8000HZ     0x4d
 128 #define WM8731_USB24_32000HZ    0x59
 129 #define WM8731_USB24_44100HZ    0x63
 130 #define WM8731_USB24_48000HZ    0x41
 131 #define WM8731_USB24_88200HZ    0x7f
 132 #define WM8731_USB24_96000HZ    0x5d
 133
 134 #endif /* _WM8731_H */