sound/soc/codecs/wl1273.h

   1 /*
   2  * sound/soc/codec/wl1273.h
   3  *
   4  * ALSA SoC WL1273 codec driver
   5  *
   6  * Copyright (C) Nokia Corporation
   7  * Author: Matti Aaltonen <matti.j.aaltonen@nokia.com>
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License
  11  * version 2 as published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  21  * 02110-1301 USA
  22  *
  23  */
  24
  25 #ifndef __WL1273_CODEC_H__
  26 #define __WL1273_CODEC_H__
  27
  28 /* I2S protocol, left channel first, data width 16 bits */
  29 #define WL1273_PCM_DEF_MODE             0x00
  30
  31 /* Rx */
  32 #define WL1273_AUDIO_ENABLE_I2S         (1 << 0)
  33 #define WL1273_AUDIO_ENABLE_ANALOG      (1 << 1)
  34
  35 /* Tx */
  36 #define WL1273_AUDIO_IO_SET_ANALOG      0
  37 #define WL1273_AUDIO_IO_SET_I2S         1
  38
  39 #define WL1273_POWER_SET_OFF            0
  40 #define WL1273_POWER_SET_FM             (1 << 0)
  41 #define WL1273_POWER_SET_RDS            (1 << 1)
  42 #define WL1273_POWER_SET_RETENTION      (1 << 4)
  43
  44 #define WL1273_PUPD_SET_OFF             0x00
  45 #define WL1273_PUPD_SET_ON              0x01
  46 #define WL1273_PUPD_SET_RETENTION       0x10
  47
  48 /* I2S mode */
  49 #define WL1273_IS2_WIDTH_32     0x0
  50 #define WL1273_IS2_WIDTH_40     0x1
  51 #define WL1273_IS2_WIDTH_22_23  0x2
  52 #define WL1273_IS2_WIDTH_23_22  0x3
  53 #define WL1273_IS2_WIDTH_48     0x4
  54 #define WL1273_IS2_WIDTH_50     0x5
  55 #define WL1273_IS2_WIDTH_60     0x6
  56 #define WL1273_IS2_WIDTH_64     0x7
  57 #define WL1273_IS2_WIDTH_80     0x8
  58 #define WL1273_IS2_WIDTH_96     0x9
  59 #define WL1273_IS2_WIDTH_128    0xa
  60 #define WL1273_IS2_WIDTH        0xf
  61
  62 #define WL1273_IS2_FORMAT_STD   (0x0 << 4)
  63 #define WL1273_IS2_FORMAT_LEFT  (0x1 << 4)
  64 #define WL1273_IS2_FORMAT_RIGHT (0x2 << 4)
  65 #define WL1273_IS2_FORMAT_USER  (0x3 << 4)
  66
  67 #define WL1273_IS2_MASTER       (0x0 << 6)
  68 #define WL1273_IS2_SLAVEW       (0x1 << 6)
  69
  70 #define WL1273_IS2_TRI_AFTER_SENDING    (0x0 << 7)
  71 #define WL1273_IS2_TRI_ALWAYS_ACTIVE    (0x1 << 7)
  72
  73 #define WL1273_IS2_SDOWS_RR     (0x0 << 8)
  74 #define WL1273_IS2_SDOWS_RF     (0x1 << 8)
  75 #define WL1273_IS2_SDOWS_FR     (0x2 << 8)
  76 #define WL1273_IS2_SDOWS_FF     (0x3 << 8)
  77
  78 #define WL1273_IS2_TRI_OPT      (0x0 << 10)
  79 #define WL1273_IS2_TRI_ALWAYS   (0x1 << 10)
  80
  81 #define WL1273_IS2_RATE_48K     (0x0 << 12)
  82 #define WL1273_IS2_RATE_44_1K   (0x1 << 12)
  83 #define WL1273_IS2_RATE_32K     (0x2 << 12)
  84 #define WL1273_IS2_RATE_22_05K  (0x4 << 12)
  85 #define WL1273_IS2_RATE_16K     (0x5 << 12)
  86 #define WL1273_IS2_RATE_12K     (0x8 << 12)
  87 #define WL1273_IS2_RATE_11_025  (0x9 << 12)
  88 #define WL1273_IS2_RATE_8K      (0xa << 12)
  89 #define WL1273_IS2_RATE         (0xf << 12)
  90
  91 #define WL1273_I2S_DEF_MODE     (WL1273_IS2_WIDTH_32 | \
  92                                  WL1273_IS2_FORMAT_STD | \
  93                                  WL1273_IS2_MASTER | \
  94                                  WL1273_IS2_TRI_AFTER_SENDING | \
  95                                  WL1273_IS2_SDOWS_RR | \
  96                                  WL1273_IS2_TRI_OPT | \
  97                                  WL1273_IS2_RATE_48K)
  98
  99 int wl1273_get_format(struct snd_soc_codec *codec, unsigned int *fmt);
 100
 101 #endif  /* End of __WL1273_CODEC_H__ */