Home | History | Annotate | Line # | Download | only in isa
ad1848var.h revision 1.17
      1 /*	$NetBSD: ad1848var.h,v 1.17 1997/07/28 20:56:13 augustss 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 
     52 	void	*parent;
     53 	struct	device *sc_isa;		/* ISA bus's device */
     54 
     55 	u_short	sc_locked;		/* true when doing HS DMA  */
     56 	u_int	sc_lastcc;		/* size of last DMA xfer */
     57 	int	sc_mode;		/* half-duplex record/play */
     58 
     59 #ifndef NEWCONFIG
     60 	int	sc_dma_flags;
     61 	void	*sc_dma_bp;
     62 	u_int	sc_dma_cnt;
     63 #endif
     64 
     65 	char	sc_playrun;		/* running in continuous mode */
     66 	char	sc_recrun;		/* running in continuous mode */
     67 #define NOTRUNNING 0
     68 #define DMARUNNING 1
     69 #define PCMRUNNING 2
     70 
     71 	int	sc_iobase;		/* I/O port base address */
     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 rec_gain, aux1_gain, aux2_gain, out_gain, mon_gain, line_gain, mono_gain;
     78 
     79 	int	rec_port;		/* recording port */
     80 
     81 	/* ad1848 */
     82 	u_char	MCE_bit;
     83 	char	mic_gain_on;		/* CS4231 only */
     84 	char	mono_mute, aux1_mute, aux2_mute, line_mute, mon_mute;
     85 	char	*chip_name;
     86 	int	mode;
     87 
     88 	u_int	precision;		/* 8/16 bits */
     89 	int	channels;
     90 
     91 	u_char	speed_bits;
     92 	u_char	format_bits;
     93 	u_char	need_commit;
     94 
     95 	u_long	sc_interrupts;		/* number of interrupts taken */
     96 	void	(*sc_intr)(void *);	/* dma completion intr handler */
     97 	void	*sc_arg;		/* arg for sc_intr() */
     98 };
     99 
    100 /*
    101  * Ad1848 ports
    102  */
    103 #define MIC_IN_PORT	0
    104 #define LINE_IN_PORT	1
    105 #define AUX1_IN_PORT	2
    106 #define DAC_IN_PORT	3
    107 
    108 #ifdef _KERNEL
    109 int	ad1848_probe __P((struct ad1848_softc *));
    110 void	ad1848_attach __P((struct ad1848_softc *));
    111 
    112 int	ad1848_open __P((struct ad1848_softc *, dev_t, int));
    113 void	ad1848_close __P((void *));
    114 
    115 void	ad1848_forceintr __P((struct ad1848_softc *));
    116 
    117 int	ad1848_query_encoding __P((void *, struct audio_encoding *));
    118 int	ad1848_set_params __P((void *, int, struct audio_params *, struct audio_params *));
    119 
    120 int	ad1848_round_blocksize __P((void *, int));
    121 
    122 int	ad1848_dma_init_output __P((void *, void *, int));
    123 int	ad1848_dma_init_input __P((void *, void *, int));
    124 int	ad1848_dma_output __P((void *, void *, int, void (*)(void *), void*));
    125 int	ad1848_dma_input __P((void *, void *, int, void (*)(void *), void*));
    126 
    127 int	ad1848_commit_settings __P((void *));
    128 
    129 int	ad1848_halt_in_dma __P((void *));
    130 int	ad1848_halt_out_dma __P((void *));
    131 int	ad1848_cont_in_dma __P((void *));
    132 int	ad1848_cont_out_dma __P((void *));
    133 
    134 int	ad1848_intr __P((void *));
    135 
    136 int	ad1848_set_rec_port __P((struct ad1848_softc *, int));
    137 int	ad1848_get_rec_port __P((struct ad1848_softc *));
    138 
    139 int	ad1848_set_aux1_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    140 int	ad1848_get_aux1_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    141 int	ad1848_set_aux2_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    142 int	ad1848_get_aux2_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    143 int	ad1848_set_out_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    144 int	ad1848_get_out_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    145 int	ad1848_set_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    146 int	ad1848_get_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    147 int	ad1848_set_mon_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    148 int	ad1848_get_mon_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    149 /* Note: The mic pre-MUX gain is not a variable gain, it's 20dB or 0dB */
    150 int	ad1848_set_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    151 int	ad1848_get_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
    152 void	ad1848_mute_aux1 __P((struct ad1848_softc *, int /* onoff */));
    153 void	ad1848_mute_aux2 __P((struct ad1848_softc *, int /* onoff */));
    154 
    155 void   *ad1848_malloc __P((void *, unsigned long, int, int));
    156 void	ad1848_free __P((void *, void *, int));
    157 unsigned long ad1848_round __P((void *, unsigned long));
    158 int	ad1848_mappage __P((void *, void *, int, int));
    159 
    160 #endif
    161