LXR linux/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@ti.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
  59extern int tpa6130a2_add_controls(struct snd_soc_codec *codec);
  60extern int tpa6130a2_stereo_enable(struct snd_soc_codec *codec, int enable);
  61
  62#endif /* __TPA6130A2_H__ */
  63