#ifndef __SOUND_AD1816A_H
  #define __SOUND_AD1816A_H
  
  /*
      ad1816a.h - definitions for ADI SoundPort AD1816A chip.
      Copyright (C) 1999-2000 by Massimo Piccioni <dafastidio@libero.it>
  
      This program is free software; you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published by
      the Free Software Foundation; either version 2 of the License, or
      (at your option) any later version.
  
      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., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  */
  
  #include "control.h"
  #include "pcm.h"
  #include "timer.h"
  
  #define AD1816A_REG(r)			(chip->port + r)
  
  #define AD1816A_CHIP_STATUS		0x00
  #define AD1816A_INDIR_ADDR		0x00
  #define AD1816A_INTERRUPT_STATUS	0x01
  #define AD1816A_INDIR_DATA_LOW		0x02
  #define AD1816A_INDIR_DATA_HIGH		0x03
  #define AD1816A_PIO_DEBUG		0x04
  #define AD1816A_PIO_STATUS		0x05
  #define AD1816A_PIO_DATA		0x06
  #define AD1816A_RESERVED_7		0x07
  #define AD1816A_PLAYBACK_CONFIG		0x08
  #define AD1816A_CAPTURE_CONFIG		0x09
  #define AD1816A_RESERVED_10		0x0a
  #define AD1816A_RESERVED_11		0x0b
  #define AD1816A_JOYSTICK_RAW_DATA	0x0c
  #define AD1816A_JOYSTICK_CTRL		0x0d
  #define AD1816A_JOY_POS_DATA_LOW	0x0e
  #define AD1816A_JOY_POS_DATA_HIGH	0x0f
  
  #define AD1816A_LOW_BYTE_TMP		0x00
  #define AD1816A_INTERRUPT_ENABLE	0x01
  #define AD1816A_EXTERNAL_CTRL		0x01
  #define AD1816A_PLAYBACK_SAMPLE_RATE	0x02
  #define AD1816A_CAPTURE_SAMPLE_RATE	0x03
  #define AD1816A_VOICE_ATT		0x04
  #define AD1816A_FM_ATT			0x05
  #define AD1816A_I2S_1_ATT		0x06
  #define AD1816A_I2S_0_ATT		0x07
  #define AD1816A_PLAYBACK_BASE_COUNT	0x08
  #define AD1816A_PLAYBACK_CURR_COUNT	0x09
  #define AD1816A_CAPTURE_BASE_COUNT	0x0a
  #define AD1816A_CAPTURE_CURR_COUNT	0x0b
  #define AD1816A_TIMER_BASE_COUNT	0x0c
  #define AD1816A_TIMER_CURR_COUNT	0x0d
  #define AD1816A_MASTER_ATT		0x0e
  #define AD1816A_CD_GAIN_ATT		0x0f
  #define AD1816A_SYNTH_GAIN_ATT		0x10
  #define AD1816A_VID_GAIN_ATT		0x11
  #define AD1816A_LINE_GAIN_ATT		0x12
  #define AD1816A_MIC_GAIN_ATT		0x13
  #define AD1816A_PHONE_IN_GAIN_ATT	0x13
  #define AD1816A_ADC_SOURCE_SEL		0x14
  #define AD1816A_ADC_PGA			0x14
  #define AD1816A_CHIP_CONFIG		0x20
  #define AD1816A_DSP_CONFIG		0x21
  #define AD1816A_FM_SAMPLE_RATE		0x22
  #define AD1816A_I2S_1_SAMPLE_RATE	0x23
  #define AD1816A_I2S_0_SAMPLE_RATE	0x24
  #define AD1816A_RESERVED_37		0x25
  #define AD1816A_PROGRAM_CLOCK_RATE	0x26
  #define AD1816A_3D_PHAT_CTRL		0x27
  #define AD1816A_PHONE_OUT_ATT		0x27
  #define AD1816A_RESERVED_40		0x28
  #define AD1816A_HW_VOL_BUT		0x29
  #define AD1816A_DSP_MAILBOX_0		0x2a
  #define AD1816A_DSP_MAILBOX_1		0x2b
  #define AD1816A_POWERDOWN_CTRL		0x2c
  #define AD1816A_TIMER_CTRL		0x2c
  #define AD1816A_VERSION_ID		0x2d
  #define AD1816A_RESERVED_46		0x2e
  
  #define AD1816A_READY			0x80
  
  #define AD1816A_PLAYBACK_IRQ_PENDING	0x80
  #define AD1816A_CAPTURE_IRQ_PENDING	0x40
  #define AD1816A_TIMER_IRQ_PENDING	0x20
  
  #define AD1816A_PLAYBACK_ENABLE		0x01
  #define AD1816A_PLAYBACK_PIO		0x02
  #define AD1816A_CAPTURE_ENABLE		0x01
  #define AD1816A_CAPTURE_PIO		0x02
  
  #define AD1816A_FMT_LINEAR_8		0x00
  #define AD1816A_FMT_ULAW_8		0x08
  #define AD1816A_FMT_LINEAR_16_LIT	0x10
  #define AD1816A_FMT_ALAW_8		0x18
  #define AD1816A_FMT_LINEAR_16_BIG	0x30
  #define AD1816A_FMT_ALL			0x38
  #define AD1816A_FMT_STEREO		0x04
  
  #define AD1816A_PLAYBACK_IRQ_ENABLE	0x8000
  #define AD1816A_CAPTURE_IRQ_ENABLE	0x4000
  #define AD1816A_TIMER_IRQ_ENABLE	0x2000
  #define AD1816A_TIMER_ENABLE		0x0080
  
  #define AD1816A_SRC_LINE		0x00
  #define AD1816A_SRC_OUT			0x10
  #define AD1816A_SRC_CD			0x20
  #define AD1816A_SRC_SYNTH		0x30
  #define AD1816A_SRC_VIDEO		0x40
  #define AD1816A_SRC_MIC			0x50
  #define AD1816A_SRC_MONO		0x50
  #define AD1816A_SRC_PHONE_IN		0x60
  #define AD1816A_SRC_MASK		0x70
  
  #define AD1816A_CAPTURE_NOT_EQUAL	0x1000
  #define AD1816A_WSS_ENABLE		0x8000

  struct snd_ad1816a {

  	unsigned long port;
  	struct resource *res_port;
  	int irq;
  	int dma1;
  	int dma2;
  
  	unsigned short hardware;
  	unsigned short version;
  
  	spinlock_t lock;
  
  	unsigned short mode;

  	unsigned int clock_freq;

  	struct snd_card *card;
  	struct snd_pcm *pcm;

  	struct snd_pcm_substream *playback_substream;
  	struct snd_pcm_substream *capture_substream;

  	unsigned int p_dma_size;
  	unsigned int c_dma_size;

  	struct snd_timer *timer;

  };
  
  
  #define AD1816A_HW_AUTO		0
  #define AD1816A_HW_AD1816A	1
  #define AD1816A_HW_AD1815	2
  #define AD1816A_HW_AD18MAX10	3
  
  #define AD1816A_MODE_PLAYBACK	0x01
  #define AD1816A_MODE_CAPTURE	0x02
  #define AD1816A_MODE_TIMER	0x04
  #define AD1816A_MODE_OPEN	(AD1816A_MODE_PLAYBACK |	\
  				AD1816A_MODE_CAPTURE |		\
  				AD1816A_MODE_TIMER)

  extern int snd_ad1816a_create(struct snd_card *card, unsigned long port,

  			      int irq, int dma1, int dma2,

  			      struct snd_ad1816a **chip);

  extern int snd_ad1816a_pcm(struct snd_ad1816a *chip, int device, struct snd_pcm **rpcm);
  extern int snd_ad1816a_mixer(struct snd_ad1816a *chip);

  extern int snd_ad1816a_timer(struct snd_ad1816a *chip, int device,
  			     struct snd_timer **rtimer);

  
  #endif	/* __SOUND_AD1816A_H */