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ad1848var.h revision 1.1
      1 /*	$NetBSD: ad1848var.h,v 1.1 1998/08/25 22:36:40 pk 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 
     39 struct ad1848_volume {
     40 	u_char	left;
     41 	u_char	right;
     42 };
     43 
     44 struct ad1848_softc {
     45 	struct	device sc_dev;		/* base device */
     46 	bus_space_tag_t sc_iot;		/* tag */
     47 	bus_space_handle_t sc_ioh;	/* handle */
     48 
     49 	int	(*sc_readreg)__P((struct ad1848_softc *, int));
     50 	void	(*sc_writereg)__P((struct ad1848_softc *, int, int));
     51 #define ADREAD(sc, index)		(*(sc)->sc_readreg)(sc, index)
     52 #define ADWRITE(sc, index, data)	(*(sc)->sc_writereg)(sc, index, data)
     53 
     54 	void	*parent;
     55 
     56 	u_short	sc_locked;		/* true when doing HS DMA  */
     57 	int	sc_mode;		/* half-duplex record/play */
     58 
     59 	/* We keep track of these */
     60         struct ad1848_volume gains[6];
     61 
     62 	struct ad1848_volume rec_gain;
     63 
     64 	int	rec_port;		/* recording port */
     65 
     66 	/* ad1848 */
     67 	u_char	MCE_bit;
     68 	char	mic_gain_on;		/* CS4231 only */
     69         char    mute[6];
     70 
     71 	char	*chip_name;
     72 	int	mode;
     73 
     74 	u_int	precision;		/* 8/16 bits */
     75 	int	channels;
     76 
     77 	u_char	speed_bits;
     78 	u_char	format_bits;
     79 	u_char	need_commit;
     80 };
     81 
     82 #define MUTE_LEFT       1
     83 #define MUTE_RIGHT      2
     84 #define MUTE_ALL        (MUTE_LEFT | MUTE_RIGHT)
     85 #define MUTE_MONO       MUTE_ALL
     86 
     87 /* Don't change this ordering without seriously looking around.
     88    These are indexes into mute[] array and into a register information
     89    array */
     90 #define AD1848_AUX2_CHANNEL        0
     91 #define AD1848_AUX1_CHANNEL        1
     92 #define AD1848_DAC_CHANNEL         2
     93 #define AD1848_LINE_CHANNEL        3
     94 #define AD1848_MONO_CHANNEL        4
     95 #define AD1848_MONITOR_CHANNEL     5    /* Doesn't seem to be on all later chips */
     96 
     97 /*
     98  * Ad1848 ports
     99  */
    100 #define MIC_IN_PORT	0
    101 #define LINE_IN_PORT	1
    102 #define AUX1_IN_PORT	2
    103 #define DAC_IN_PORT	3
    104 
    105 #ifdef _KERNEL
    106 
    107 #define AD1848_KIND_LVL   0
    108 #define AD1848_KIND_MUTE  1
    109 #define AD1848_KIND_RECORDGAIN 2
    110 #define AD1848_KIND_MICGAIN 3
    111 #define AD1848_KIND_RECORDSOURCE 4
    112 
    113 typedef struct ad1848_devmap {
    114 	int  id;
    115 	int  kind;
    116 	int  dev;
    117 } ad1848_devmap_t;
    118 
    119 int	ad_read __P((struct ad1848_softc *, int));
    120 void	ad_write __P((struct ad1848_softc *, int, int));
    121 
    122 int     ad1848_mixer_get_port __P((struct ad1848_softc *, ad1848_devmap_t *, int cnt, mixer_ctrl_t *));
    123 int     ad1848_mixer_set_port __P((struct ad1848_softc *, ad1848_devmap_t *, int, mixer_ctrl_t *));
    124 void	ad1848_attach __P((struct ad1848_softc *));
    125 
    126 int	ad1848_open __P((void *, int));
    127 void	ad1848_close __P((void *));
    128 
    129 int	ad1848_query_encoding __P((void *, struct audio_encoding *));
    130 int	ad1848_set_params __P((void *, int, int, struct audio_params *, struct audio_params *));
    131 
    132 int	ad1848_round_blocksize __P((void *, int));
    133 
    134 int	ad1848_commit_settings __P((void *));
    135 
    136 int	ad1848_halt_in __P((void *));
    137 int	ad1848_halt_out __P((void *));
    138 
    139 int	ad1848_set_rec_port __P((struct ad1848_softc *, int));
    140 int	ad1848_get_rec_port __P((struct ad1848_softc *));
    141 
    142 int	ad1848_set_channel_gain __P((struct ad1848_softc *, int, struct ad1848_volume *));
    143 int	ad1848_get_device_gain __P((struct ad1848_softc *, int, struct ad1848_volume *));
    144 int	ad1848_set_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    145 int	ad1848_get_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    146 /* Note: The mic pre-MUX gain is not a variable gain, it's 20dB or 0dB */
    147 int	ad1848_set_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    148 int	ad1848_get_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    149 void     ad1848_mute_channel __P((struct ad1848_softc *, int device, int mute));
    150 int	ad1848_to_vol __P((mixer_ctrl_t *, struct ad1848_volume *));
    151 int	ad1848_from_vol __P((mixer_ctrl_t *, struct ad1848_volume *));
    152 
    153 unsigned long ad1848_round __P((void *, unsigned long));
    154 int	ad1848_mappage __P((void *, void *, int, int));
    155 
    156 #ifdef AUDIO_DEBUG
    157 void ad1848_dump_regs __P((struct ad1848_softc *));
    158 #endif
    159 
    160 #endif
    161