linux/sound/soc/codecs/tpa6130a2.h

/*
 * ALSA SoC TPA6130A2 amplifier driver
 *
 * Copyright (C) Nokia Corporation
 *
 * Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#ifndef __TPA6130A2_H__
#define __TPA6130A2_H__

/* Register addresses */
#define TPA6130A2_REG_CONTROL		0x01
#define TPA6130A2_REG_VOL_MUTE		0x02
#define TPA6130A2_REG_OUT_IMPEDANCE	0x03
#define TPA6130A2_REG_VERSION		0x04

/* Register bits */
/* TPA6130A2_REG_CONTROL (0x01) */
#define TPA6130A2_SWS			(0x01 << 0)
#define TPA6130A2_TERMAL		(0x01 << 1)
#define TPA6130A2_MODE(x)		(x << 4)
#define TPA6130A2_MODE_STEREO		(0x00)
#define TPA6130A2_MODE_DUAL_MONO	(0x01)
#define TPA6130A2_MODE_BRIDGE		(0x02)
#define TPA6130A2_MODE_MASK		(0x03)
#define TPA6130A2_HP_EN_R		(0x01 << 6)
#define TPA6130A2_HP_EN_L		(0x01 << 7)

/* TPA6130A2_REG_VOL_MUTE (0x02) */
#define TPA6130A2_VOLUME(x)		((x & 0x3f) << 0)
#define TPA6130A2_MUTE_R		(0x01 << 6)
#define TPA6130A2_MUTE_L		(0x01 << 7)

/* TPA6130A2_REG_OUT_IMPEDANCE (0x03) */
#define TPA6130A2_HIZ_R			(0x01 << 0)
#define TPA6130A2_HIZ_L			(0x01 << 1)

/* TPA6130A2_REG_VERSION (0x04) */
#define TPA6130A2_VERSION_MASK		(0x0f)

extern int tpa6130a2_stereo_enable(struct snd_soc_codec *codec, int enable);

#endif /* __TPA6130A2_H__ */