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ascaudiovar.h revision 1.3 
      1 /* $NetBSD: ascaudiovar.h,v 1.3 2025/05/14 07:15:03 nat Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2017, 2023 Nathanial Sloss <nathanialsloss (at) yahoo.com.au>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _SYS_ARCH_MAC68K_OBIO_ASCAUDIOVAR_H
     30 #define _SYS_ARCH_MAC68K_OBIO_ASCAUDIOVAR_H
     31 
     32 #define ASCAUDIOUNIT(d)	((d) & 0x7)
     33 
     34 typedef struct ascaudio_softc {
     35 	device_t		sc_dev;
     36 	bus_space_tag_t		sc_tag;
     37 	bus_space_handle_t	sc_handle;
     38 	int			sc_open;
     39 
     40 	device_t	sc_audiodev;
     41 	struct audio_encoding_set *sc_encodings;
     42 	void		*sc_intr;
     43 	void		(*sc_pintr)(void *);
     44 	void		*sc_pintrarg;
     45 	void		(*sc_rintr)(void *);
     46 	void		*sc_rintrarg;
     47 
     48 	kmutex_t	sc_lock;
     49 	kmutex_t	sc_intr_lock;
     50 
     51 	callout_t	sc_pcallout;
     52 	callout_t	sc_rcallout;
     53 
     54 	uint8_t 	*sc_playbuf;
     55 	uint8_t 	*sc_wptr;
     56 	uint8_t 	*sc_putptr;
     57 	int		sc_avail;
     58 
     59 	uint8_t		*sc_recbuf;
     60 	uint8_t 	*sc_rptr;
     61 	uint8_t 	*sc_getptr;
     62 	int		sc_recavail;
     63 
     64 	uint8_t		sc_vol;
     65 	uint8_t		sc_recvol;
     66 	uint8_t		sc_ver;
     67 	int		sc_options;	/* options for this instance. */
     68 	uint8_t		sc_speakers;
     69 	uint		sc_rate;
     70 	int		sc_recfreq;
     71 	bool		sc_slowcpu;
     72 } ascaudio_softc_t;
     73 
     74 #define LOWQUALITY	0x1
     75 #define HIGHQUALITY	0x2
     76 #define	ASCAUDIO_OPTIONS_MASK (LOWQUALITY|HIGHQUALITY)
     77 #define	ASCAUDIO_OPTIONS_BITS	"\10\2HIGHQUALITY\1LOWQUALITY"
     78 
     79 #endif /* !_SYS_ARCH_MAC68K_OBIO_ASCAUDIOVAR_H */
     80