/*
 * Purpose: Definitions for the mixer of cs4231.
 */

/*
 *
 * This file is part of Open Sound System.
 *
 * Copyright (C) 4Front Technologies 1996-2008.
 *
 * This this source file is released under GPL v2 license (no other versions).
 * See the COPYING file included in the main directory of this source
 * distribution for the license terms and conditions.
 *
 */

#define MODE2_MIXER_DEVICES		(SOUND_MASK_LINE1 | SOUND_MASK_LINE2 | \
					 SOUND_MASK_MIC | \
					 SOUND_MASK_LINE | SOUND_MASK_SPEAKER | \
					 SOUND_MASK_IGAIN | \
					 SOUND_MASK_PCM | SOUND_MASK_IMIX)

#define MODE2_REC_DEVICES		(SOUND_MASK_LINE | SOUND_MASK_MIC | \
					 SOUND_MASK_LINE1|SOUND_MASK_IMIX)

struct mixer_def
{
  unsigned int regno;
  unsigned int polarity;	/* 0=normal, 1=reversed */
  unsigned int bitpos;
  unsigned int nbits;
  unsigned int mutepos;
};

typedef struct mixer_def mixer_ent;
typedef mixer_ent mixer_ents[2];

/*
 * Most of the mixer entries work in backwards. Setting the polarity field
 * makes them to work correctly.
 *
 * The channel numbering used by individual soundcards is not fixed. Some
 * cards have assigned different meanings for the AUX1, AUX2 and LINE inputs.
 * The current version doesn't try to compensate this.
 */

#define MIX_ENT(name, reg_l, pola_l, pos_l, len_l, reg_r, pola_r, pos_r, len_r, mute_bit)	\
	{{reg_l, pola_l, pos_l, len_l}, {reg_r, pola_r, pos_r, len_r, mute_bit}}

static mixer_ents cs4231_mix_devices[32] = {
  MIX_ENT (SOUND_MIXER_VOLUME, 27, 1, 0, 4, 29, 1, 0, 4, 7),
  MIX_ENT (SOUND_MIXER_BASS, 0, 0, 0, 0, 0, 0, 0, 0, 8),
  MIX_ENT (SOUND_MIXER_TREBLE, 0, 0, 0, 0, 0, 0, 0, 0, 8),
  MIX_ENT (SOUND_MIXER_SYNTH, 4, 1, 0, 5, 5, 1, 0, 5, 7),
  MIX_ENT (SOUND_MIXER_PCM, 6, 1, 0, 6, 7, 1, 0, 6, 7),
  MIX_ENT (SOUND_MIXER_SPEAKER, 26, 1, 0, 4, 0, 0, 0, 0, 8),
  MIX_ENT (SOUND_MIXER_LINE, 18, 1, 0, 5, 19, 1, 0, 5, 7),
  MIX_ENT (SOUND_MIXER_MIC, 0, 0, 5, 1, 1, 0, 5, 1, 8),
  MIX_ENT (SOUND_MIXER_CD, 2, 1, 0, 5, 3, 1, 0, 5, 7),
  MIX_ENT (SOUND_MIXER_IMIX, 13, 1, 2, 6, 0, 0, 0, 0, 8),
  MIX_ENT (SOUND_MIXER_ALTPCM, 0, 0, 0, 0, 0, 0, 0, 0, 8),
  MIX_ENT (SOUND_MIXER_RECLEV, 0, 0, 0, 0, 0, 0, 0, 0, 8),
  MIX_ENT (SOUND_MIXER_IGAIN, 0, 0, 0, 4, 1, 0, 0, 4, 8),
  MIX_ENT (SOUND_MIXER_OGAIN, 0, 0, 0, 0, 0, 0, 0, 0, 8),
  MIX_ENT (SOUND_MIXER_LINE1, 2, 1, 0, 5, 3, 1, 0, 5, 7),
  MIX_ENT (SOUND_MIXER_LINE2, 4, 1, 0, 5, 5, 1, 0, 5, 7),
  MIX_ENT (SOUND_MIXER_LINE, 18, 1, 0, 5, 19, 1, 0, 5, 7)
};

static int default_mixer_levels[32] = {
  0x3232,			/* Master Volume */
  0x3232,			/* Bass */
  0x3232,			/* Treble */
  0x4b4b,			/* FM */
  0x3232,			/* PCM */
  0x1515,			/* PC Speaker */
  0x2020,			/* Line in */
  0x2020,			/* Mic */
  0x4b4b,			/* CD */
  0x0000,			/* Recording monitor */
  0x4b4b,			/* Second PCM */
  0x4b4b,			/* Recording level */
  0x0000,			/* Input gain */
  0x4b4b,			/* Output gain */
  0x2020,			/* Line1 */
  0x2020,			/* Line2 */
  0x1515			/* Line3 (usually line in) */
};

#define LEFT_CHN	0
#define RIGHT_CHN	1

/*
 * Channel enable bits for ioctl(SOUND_MIXER_PRIVATE1)
 */

#ifndef AUDIO_SPEAKER
#define	AUDIO_SPEAKER		0x01	/* Enable mono output */
#define	AUDIO_HEADPHONE		0x02	/* Sparc only */
#define	AUDIO_LINE_OUT		0x04	/* Sparc only */
#endif