sound/soc/codecs/tpa6130a2.h

   1 /*
   2  * ALSA SoC TPA6130A2 amplifier driver
   3  *
   4  * Copyright (C) Nokia Corporation
   5  *
   6  * Author: Peter Ujfalusi <peter.ujfalusi@nokia.com>
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * version 2 as published by the Free Software Foundation.
  11  *
  12  * This program is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  20  * 02110-1301 USA
  21  *
  22  */
  23
  24 #ifndef __TPA6130A2_H__
  25 #define __TPA6130A2_H__
  26
  27 /* Register addresses */
  28 #define TPA6130A2_REG_CONTROL           0x01
  29 #define TPA6130A2_REG_VOL_MUTE          0x02
  30 #define TPA6130A2_REG_OUT_IMPEDANCE     0x03
  31 #define TPA6130A2_REG_VERSION           0x04
  32
  33 #define TPA6130A2_CACHEREGNUM   (TPA6130A2_REG_VERSION + 1)
  34
  35 /* Register bits */
  36 /* TPA6130A2_REG_CONTROL (0x01) */
  37 #define TPA6130A2_SWS                   (0x01 << 0)
  38 #define TPA6130A2_TERMAL                (0x01 << 1)
  39 #define TPA6130A2_MODE(x)               (x << 4)
  40 #define TPA6130A2_MODE_STEREO           (0x00)
  41 #define TPA6130A2_MODE_DUAL_MONO        (0x01)
  42 #define TPA6130A2_MODE_BRIDGE           (0x02)
  43 #define TPA6130A2_MODE_MASK             (0x03)
  44 #define TPA6130A2_HP_EN_R               (0x01 << 6)
  45 #define TPA6130A2_HP_EN_L               (0x01 << 7)
  46
  47 /* TPA6130A2_REG_VOL_MUTE (0x02) */
  48 #define TPA6130A2_VOLUME(x)             ((x & 0x3f) << 0)
  49 #define TPA6130A2_MUTE_R                (0x01 << 6)
  50 #define TPA6130A2_MUTE_L                (0x01 << 7)
  51
  52 /* TPA6130A2_REG_OUT_IMPEDANCE (0x03) */
  53 #define TPA6130A2_HIZ_R                 (0x01 << 0)
  54 #define TPA6130A2_HIZ_L                 (0x01 << 1)
  55
  56 /* TPA6130A2_REG_VERSION (0x04) */
  57 #define TPA6130A2_VERSION_MASK          (0x0f)
  58
  59 extern int tpa6130a2_add_controls(struct snd_soc_codec *codec);
  60 extern int tpa6130a2_stereo_enable(struct snd_soc_codec *codec, int enable);
  61
  62 #endif /* __TPA6130A2_H__ */