1. 根目录:
2. sound
3. pci
4. ice1712
5. hoontech.h

#ifndef __SOUND_HOONTECH_H
#define __SOUND_HOONTECH_H

/*
 *   ALSA driver for ICEnsemble ICE1712 (Envy24)
 *
 *   Lowlevel functions for Hoontech STDSP24
 *
 *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
 *
 *   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
 *
 */      

#define  HOONTECH_DEVICE_DESC \
	"{Hoontech,SoundTrack DSP 24}," \
	"{Hoontech,SoundTrack DSP 24 Value}," \
	"{Hoontech,SoundTrack DSP 24 Media 7.1}," \
	"{Event Electronics,EZ8},"

#define ICE1712_SUBDEVICE_STDSP24		0x12141217	/* Hoontech SoundTrack Audio DSP 24 */
#define ICE1712_SUBDEVICE_STDSP24_VALUE		0x00010010	/* A dummy id for Hoontech SoundTrack Audio DSP 24 Value */
#define ICE1712_SUBDEVICE_STDSP24_MEDIA7_1	0x16141217	/* Hoontech ST Audio DSP24 Media 7.1 */
#define ICE1712_SUBDEVICE_EVENT_EZ8		0x00010001	/* A dummy id for EZ8 */

extern struct snd_ice1712_card_info snd_ice1712_hoontech_cards[];


/* Hoontech SoundTrack Audio DSP 24 GPIO definitions */

#define ICE1712_STDSP24_0_BOX(r, x)	r[0] = ((r[0] & ~3) | ((x)&3))
#define ICE1712_STDSP24_0_DAREAR(r, x)	r[0] = ((r[0] & ~4) | (((x)&1)<<2))
#define ICE1712_STDSP24_1_CHN1(r, x)	r[1] = ((r[1] & ~1) | ((x)&1))
#define ICE1712_STDSP24_1_CHN2(r, x)	r[1] = ((r[1] & ~2) | (((x)&1)<<1))
#define ICE1712_STDSP24_1_CHN3(r, x)	r[1] = ((r[1] & ~4) | (((x)&1)<<2))
#define ICE1712_STDSP24_2_CHN4(r, x)	r[2] = ((r[2] & ~1) | ((x)&1))
#define ICE1712_STDSP24_2_MIDIIN(r, x)	r[2] = ((r[2] & ~2) | (((x)&1)<<1))
#define ICE1712_STDSP24_2_MIDI1(r, x)	r[2] = ((r[2] & ~4) | (((x)&1)<<2))
#define ICE1712_STDSP24_3_MIDI2(r, x)	r[3] = ((r[3] & ~1) | ((x)&1))
#define ICE1712_STDSP24_3_MUTE(r, x)	r[3] = ((r[3] & ~2) | (((x)&1)<<1))
#define ICE1712_STDSP24_3_INSEL(r, x)	r[3] = ((r[3] & ~4) | (((x)&1)<<2))
#define ICE1712_STDSP24_SET_ADDR(r, a)	r[a&3] = ((r[a&3] & ~0x18) | (((a)&3)<<3))
#define ICE1712_STDSP24_CLOCK(r, a, c)	r[a&3] = ((r[a&3] & ~0x20) | (((c)&1)<<5))
#define ICE1712_STDSP24_CLOCK_BIT	(1<<5)

/* Hoontech SoundTrack Audio DSP 24 box configuration definitions */

#define ICE1712_STDSP24_DAREAR		(1<<0)
#define ICE1712_STDSP24_MUTE		(1<<1)
#define ICE1712_STDSP24_INSEL		(1<<2)

#define ICE1712_STDSP24_BOX_CHN1	(1<<0)	/* input channel 1 */
#define ICE1712_STDSP24_BOX_CHN2	(1<<1)	/* input channel 2 */
#define ICE1712_STDSP24_BOX_CHN3	(1<<2)	/* input channel 3 */
#define ICE1712_STDSP24_BOX_CHN4	(1<<3)	/* input channel 4 */
#define ICE1712_STDSP24_BOX_MIDI1	(1<<8)
#define ICE1712_STDSP24_BOX_MIDI2	(1<<9)

/* Hoontech SoundTrack Audio DSP 24 Value definitions for modified hardware */

#define ICE1712_STDSP24_AK4524_CS	0x03	/* AK4524 chip select; low = active */
#define ICE1712_STDSP24_SERIAL_DATA	0x0c	/* ak4524 data */
#define ICE1712_STDSP24_SERIAL_CLOCK	0x30	/* ak4524 clock */

#endif /* __SOUND_HOONTECH_H */