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  * 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 _WM8721_H
  21 #define _WM8721_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_set_master_vol(int vol_l, int vol_r);
  31 extern void audiohw_set_nsorder(int order);
  32 extern 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 */