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ad1848var.h revision 1.8
      1 /*	$NetBSD: ad1848var.h,v 1.8 1996/04/29 20:02:37 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1994 John Brezak
      5  * Copyright (c) 1991-1993 Regents of the University of California.
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by the Computer Systems
     19  *	Engineering Group at Lawrence Berkeley Laboratory.
     20  * 4. Neither the name of the University nor of the Laboratory may be used
     21  *    to endorse or promote products derived from this software without
     22  *    specific prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  * SUCH DAMAGE.
     35  *
     36  */
     37 
     38 #define AD1848_NPORT	8
     39 
     40 struct ad1848_volume {
     41 	u_char	left;
     42 	u_char	right;
     43 };
     44 
     45 struct ad1848_softc {
     46 	struct	device sc_dev;		/* base device */
     47 	struct	isadev sc_id;		/* ISA device */
     48 	void	*sc_ih;			/* interrupt vectoring */
     49 
     50 	void	*parent;
     51 
     52 	u_short	sc_locked;		/* true when doing HS DMA  */
     53 	u_int	sc_lastcc;		/* size of last DMA xfer */
     54 	int	sc_mode;		/* half-duplex record/play */
     55 
     56 #ifndef NEWCONFIG
     57 	int	sc_dma_flags;
     58 	void	*sc_dma_bp;
     59 	u_int	sc_dma_cnt;
     60 #endif
     61 
     62 	int	sc_iobase;		/* I/O port base address */
     63 	int	sc_irq;			/* interrupt */
     64 	int	sc_drq;			/* DMA */
     65 	int	sc_recdrq;		/* record/capture DMA */
     66 
     67 	u_long	sc_irate;		/* Sample rate for input */
     68 	u_long	sc_orate;		/* ...and output */
     69 
     70 	/* We keep track of these */
     71 	struct ad1848_volume rec_gain, aux1_gain, aux2_gain, out_gain, mon_gain, line_gain, mono_gain;
     72 
     73 	u_int	encoding;		/* ulaw/linear -- keep track */
     74 	u_int	precision;		/* 8/16 bits */
     75 
     76 	int	rec_port;		/* recording port */
     77 
     78 	int	channels;
     79 
     80 	/* ad1848 */
     81 	u_char	MCE_bit;
     82 	char	mic_gain_on;		/* CS4231 only */
     83 	char	mono_mute, aux1_mute, aux2_mute, line_mute, mon_mute;
     84 	char	*chip_name;
     85 	int	mode;
     86 
     87 	int	speed;
     88 	u_char	speed_bits;
     89 	u_char	format_bits;
     90 
     91 	u_long	sc_interrupts;		/* number of interrupts taken */
     92 	void	(*sc_intr)(void *);	/* dma completion intr handler */
     93 	void	*sc_arg;		/* arg for sc_intr() */
     94 };
     95 
     96 /*
     97  * Ad1848 ports
     98  */
     99 #define MIC_IN_PORT	0
    100 #define LINE_IN_PORT	1
    101 #define AUX1_IN_PORT	2
    102 #define DAC_IN_PORT	3
    103 
    104 #ifdef _KERNEL
    105 int	ad1848_probe __P((struct ad1848_softc *));
    106 void	ad1848_attach __P((struct ad1848_softc *));
    107 
    108 int	ad1848_open __P((struct ad1848_softc *, dev_t, int));
    109 void	ad1848_close __P((void *));
    110 
    111 void	ad1848_forceintr __P((struct ad1848_softc *));
    112 
    113 int	ad1848_set_in_sr __P((void *, u_long));
    114 u_long	ad1848_get_in_sr __P((void *));
    115 int	ad1848_set_out_sr __P((void *, u_long));
    116 u_long	ad1848_get_out_sr __P((void *));
    117 int	ad1848_query_encoding __P((void *, struct audio_encoding *));
    118 int	ad1848_set_encoding __P((void *, u_int));
    119 int	ad1848_get_encoding __P((void *));
    120 int	ad1848_set_precision __P((void *, u_int));
    121 int	ad1848_get_precision __P((void *));
    122 int	ad1848_set_channels __P((void *, int));
    123 int	ad1848_get_channels __P((void *));
    124 
    125 int	ad1848_round_blocksize __P((void *, int));
    126 
    127 int	ad1848_dma_output __P((void *, void *, int, void (*)(void *), void*));
    128 int	ad1848_dma_input __P((void *, void *, int, void (*)(void *), void*));
    129 
    130 int	ad1848_commit_settings __P((void *));
    131 
    132 u_int	ad1848_get_silence __P((int));
    133 
    134 int	ad1848_halt_in_dma __P((void *));
    135 int	ad1848_halt_out_dma __P((void *));
    136 int	ad1848_cont_in_dma __P((void *));
    137 int	ad1848_cont_out_dma __P((void *));
    138 
    139 int	ad1848_intr __P((void *));
    140 
    141 int	ad1848_set_rec_port __P((struct ad1848_softc *, int));
    142 int	ad1848_get_rec_port __P((struct ad1848_softc *));
    143 
    144 int	ad1848_set_aux1_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    145 int	ad1848_get_aux1_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    146 int	ad1848_set_aux2_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    147 int	ad1848_get_aux2_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    148 int	ad1848_set_out_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    149 int	ad1848_get_out_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    150 int	ad1848_set_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    151 int	ad1848_get_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    152 int	ad1848_set_mon_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    153 int	ad1848_get_mon_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    154 /* Note: The mic pre-MUX gain is not a variable gain, it's 20dB or 0dB */
    155 int	ad1848_set_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    156 int	ad1848_get_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    157 void	ad1848_mute_aux1 __P((struct ad1848_softc *, int /* onoff */));
    158 void	ad1848_mute_aux2 __P((struct ad1848_softc *, int /* onoff */));
    159 #endif
    160