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ad1848var.h revision 1.24
      1 /*	$NetBSD: ad1848var.h,v 1.24 1998/06/09 00:05:44 thorpej 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	4
     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 	bus_space_tag_t sc_iot;		/* tag */
     50 	bus_space_handle_t sc_ioh;	/* handle */
     51 	isa_chipset_tag_t sc_ic;	/* ISA chipset info */
     52 	int	sc_iooffs;		/* offset from handle */
     53 
     54 	void	*parent;
     55 
     56 	u_short	sc_locked;		/* true when doing HS DMA  */
     57 	u_int	sc_lastcc;		/* size of last DMA xfer */
     58 	int	sc_mode;		/* half-duplex record/play */
     59 
     60 #ifndef NEWCONFIG
     61 	int	sc_dma_flags;
     62 	void	*sc_dma_bp;
     63 	u_int	sc_dma_cnt;
     64 #endif
     65 
     66 	char	sc_playrun;		/* running in continuous mode */
     67 	char	sc_recrun;		/* running in continuous mode */
     68 #define NOTRUNNING 0
     69 #define DMARUNNING 1
     70 #define PCMRUNNING 2
     71 
     72 	int	sc_irq;			/* interrupt */
     73 	int	sc_drq;			/* DMA */
     74 	int	sc_recdrq;		/* record/capture DMA */
     75 
     76 	/* We keep track of these */
     77         struct ad1848_volume gains[6];
     78 
     79 	struct ad1848_volume rec_gain;
     80 
     81 	int	rec_port;		/* recording port */
     82 
     83 	/* ad1848 */
     84 	u_char	MCE_bit;
     85 	char	mic_gain_on;		/* CS4231 only */
     86         char    mute[6];
     87 
     88 	char	*chip_name;
     89 	int	mode;
     90 
     91 	u_int	precision;		/* 8/16 bits */
     92 	int	channels;
     93 
     94 	u_char	speed_bits;
     95 	u_char	format_bits;
     96 	u_char	need_commit;
     97 
     98 	u_long	sc_interrupts;		/* number of interrupts taken */
     99 	void	(*sc_intr)(void *);	/* dma completion intr handler */
    100 	void	*sc_arg;		/* arg for sc_intr() */
    101 
    102 	/* Only used by pss XXX */
    103 	int	sc_iobase;
    104 };
    105 
    106 #define MUTE_LEFT       1
    107 #define MUTE_RIGHT      2
    108 #define MUTE_ALL        (MUTE_LEFT | MUTE_RIGHT)
    109 #define MUTE_MONO       MUTE_ALL
    110 
    111 /* Don't change this ordering without seriously looking around.
    112    These are indexes into mute[] array and into a register information
    113    array */
    114 #define AD1848_AUX2_CHANNEL        0
    115 #define AD1848_AUX1_CHANNEL        1
    116 #define AD1848_DAC_CHANNEL         2
    117 #define AD1848_LINE_CHANNEL        3
    118 #define AD1848_MONO_CHANNEL        4
    119 #define AD1848_MONITOR_CHANNEL     5    /* Doesn't seem to be on all later chips */
    120 
    121 /*
    122  * Ad1848 ports
    123  */
    124 #define MIC_IN_PORT	0
    125 #define LINE_IN_PORT	1
    126 #define AUX1_IN_PORT	2
    127 #define DAC_IN_PORT	3
    128 
    129 #ifdef _KERNEL
    130 
    131 #define AD1848_KIND_LVL   0
    132 #define AD1848_KIND_MUTE  1
    133 #define AD1848_KIND_RECORDGAIN 2
    134 #define AD1848_KIND_MICGAIN 3
    135 #define AD1848_KIND_RECORDSOURCE 4
    136 
    137 typedef struct ad1848_devmap {
    138   int  id;
    139   int  kind;
    140   int  dev;
    141 } ad1848_devmap_t;
    142 
    143 int     ad1848_mixer_get_port __P((struct ad1848_softc *, ad1848_devmap_t *, int cnt, mixer_ctrl_t *));
    144 int     ad1848_mixer_set_port __P((struct ad1848_softc *, ad1848_devmap_t *, int, mixer_ctrl_t *));
    145 int	ad1848_mapprobe __P((struct ad1848_softc *, int));
    146 int	ad1848_probe __P((struct ad1848_softc *));
    147 void	ad1848_unmap __P((struct ad1848_softc *));
    148 void	ad1848_attach __P((struct ad1848_softc *));
    149 
    150 int	ad1848_open __P((void *, int));
    151 void	ad1848_close __P((void *));
    152 
    153 void	ad1848_forceintr __P((struct ad1848_softc *));
    154 
    155 int	ad1848_query_encoding __P((void *, struct audio_encoding *));
    156 int	ad1848_set_params __P((void *, int, int, struct audio_params *, struct audio_params *));
    157 
    158 int	ad1848_round_blocksize __P((void *, int));
    159 
    160 int	ad1848_dma_init_output __P((void *, void *, int));
    161 int	ad1848_dma_init_input __P((void *, void *, int));
    162 int	ad1848_dma_output __P((void *, void *, int, void (*)(void *), void*));
    163 int	ad1848_dma_input __P((void *, void *, int, void (*)(void *), void*));
    164 
    165 int	ad1848_commit_settings __P((void *));
    166 
    167 int	ad1848_halt_in_dma __P((void *));
    168 int	ad1848_halt_out_dma __P((void *));
    169 
    170 int	ad1848_intr __P((void *));
    171 
    172 int	ad1848_set_rec_port __P((struct ad1848_softc *, int));
    173 int	ad1848_get_rec_port __P((struct ad1848_softc *));
    174 
    175 int	ad1848_set_channel_gain __P((struct ad1848_softc *, int, struct ad1848_volume *));
    176 int	ad1848_get_device_gain __P((struct ad1848_softc *, int, struct ad1848_volume *));
    177 int	ad1848_set_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    178 int	ad1848_get_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    179 /* Note: The mic pre-MUX gain is not a variable gain, it's 20dB or 0dB */
    180 int	ad1848_set_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    181 int	ad1848_get_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    182 void     ad1848_mute_channel __P((struct ad1848_softc *, int device, int mute));
    183 int	ad1848_to_vol __P((mixer_ctrl_t *, struct ad1848_volume *));
    184 int	ad1848_from_vol __P((mixer_ctrl_t *, struct ad1848_volume *));
    185 
    186 void   *ad1848_malloc __P((void *, unsigned long, int, int));
    187 void	ad1848_free __P((void *, void *, int));
    188 unsigned long ad1848_round __P((void *, unsigned long));
    189 int	ad1848_mappage __P((void *, void *, int, int));
    190 
    191 int	ad1848_get_props __P((void *));
    192 
    193 #endif
    194