NetBSD/sys/dev/isa/ad1848var.h

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/* $NetBSD: ad1848var.h,v 1.7 1995/11/10 04:30:40 mycroft Exp $ */
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/*
* Copyright (c) 1994 John Brezak
* Copyright (c) 1991-1993 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Computer Systems
* Engineering Group at Lawrence Berkeley Laboratory.
* 4. Neither the name of the University nor of the Laboratory may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#define AD1848_NPORT 8
struct ad1848_volume {
u_char left;
u_char right;
};
struct ad1848_softc {
struct device sc_dev; /* base device */
struct isadev sc_id; /* ISA device */
void *sc_ih; /* interrupt vectoring */
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void *parent;
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u_short sc_locked; /* true when doing HS DMA */
u_int sc_lastcc; /* size of last DMA xfer */
int sc_mode; /* half-duplex record/play */
#ifndef NEWCONFIG
int sc_dma_flags;
void *sc_dma_bp;
u_int sc_dma_cnt;
#endif
int sc_iobase; /* I/O port base address */
int sc_irq; /* interrupt */
int sc_drq; /* DMA */
int sc_recdrq; /* record/capture DMA */
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u_long sc_irate; /* Sample rate for input */
u_long sc_orate; /* ...and output */
/* We keep track of these */
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struct ad1848_volume rec_gain, aux1_gain, aux2_gain, out_gain, mon_gain, line_gain, mono_gain;
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u_int encoding; /* ulaw/linear -- keep track */
u_int precision; /* 8/16 bits */
int rec_port; /* recording port */
int channels;
/* ad1848 */
u_char MCE_bit;
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char mic_gain_on; /* CS4231 only */
char mono_mute, aux1_mute, aux2_mute, line_mute, mon_mute;
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char *chip_name;
int mode;
int speed;
u_char speed_bits;
u_char format_bits;
u_long sc_interrupts; /* number of interrupts taken */
void (*sc_intr)(void *); /* dma completion intr handler */
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void *sc_arg; /* arg for sc_intr() */
};
/*
* Ad1848 ports
*/
#define MIC_IN_PORT 0
#define LINE_IN_PORT 1
#define AUX1_IN_PORT 2
#define DAC_IN_PORT 3
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#ifdef _KERNEL
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int ad1848_probe __P((struct ad1848_softc *));
void ad1848_attach __P((struct ad1848_softc *));
int ad1848_open __P((struct ad1848_softc *, dev_t, int));
void ad1848_close __P((void *));
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void ad1848_forceintr __P((struct ad1848_softc *));
int ad1848_set_in_sr __P((void *, u_long));
u_long ad1848_get_in_sr __P((void *));
int ad1848_set_out_sr __P((void *, u_long));
u_long ad1848_get_out_sr __P((void *));
int ad1848_query_encoding __P((void *, struct audio_encoding *));
int ad1848_set_encoding __P((void *, u_int));
int ad1848_get_encoding __P((void *));
int ad1848_set_precision __P((void *, u_int));
int ad1848_get_precision __P((void *));
int ad1848_set_channels __P((void *, int));
int ad1848_get_channels __P((void *));
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int ad1848_round_blocksize __P((void *, int));
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int ad1848_dma_output __P((void *, void *, int, void (*)(), void*));
int ad1848_dma_input __P((void *, void *, int, void (*)(), void*));
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int ad1848_commit_settings __P((void *));
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u_int ad1848_get_silence __P((int));
int ad1848_halt_in_dma __P((void *));
int ad1848_halt_out_dma __P((void *));
int ad1848_cont_in_dma __P((void *));
int ad1848_cont_out_dma __P((void *));
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int ad1848_intr __P((void *));
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int ad1848_set_rec_port __P((struct ad1848_softc *, int));
int ad1848_get_rec_port __P((struct ad1848_softc *));
int ad1848_set_aux1_gain __P((struct ad1848_softc *, struct ad1848_volume *));
int ad1848_get_aux1_gain __P((struct ad1848_softc *, struct ad1848_volume *));
int ad1848_set_aux2_gain __P((struct ad1848_softc *, struct ad1848_volume *));
int ad1848_get_aux2_gain __P((struct ad1848_softc *, struct ad1848_volume *));
int ad1848_set_out_gain __P((struct ad1848_softc *, struct ad1848_volume *));
int ad1848_get_out_gain __P((struct ad1848_softc *, struct ad1848_volume *));
int ad1848_set_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
int ad1848_get_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
int ad1848_set_mon_gain __P((struct ad1848_softc *, struct ad1848_volume *));
int ad1848_get_mon_gain __P((struct ad1848_softc *, struct ad1848_volume *));
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/* Note: The mic pre-MUX gain is not a variable gain, it's 20dB or 0dB */
int ad1848_set_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
int ad1848_get_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
void ad1848_mute_aux1 __P((struct ad1848_softc *, int /* onoff */));
void ad1848_mute_aux2 __P((struct ad1848_softc *, int /* onoff */));
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#endif