175 lines
5.7 KiB
C
175 lines
5.7 KiB
C
/* $NetBSD: am7930var.h,v 1.6 1999/03/14 22:29:01 jonathan Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Lawrence Berkeley Laboratory.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)bsd_audiovar.h 8.1 (Berkeley) 6/11/93
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*/
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#ifndef _LOCORE
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/*
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* MI Software state, per AMD79C30 audio chip.
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*/
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struct intrhand;
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/*
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* Chip interface
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*/
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struct mapreg {
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u_short mr_x[8];
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u_short mr_r[8];
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u_short mr_gx;
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u_short mr_gr;
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u_short mr_ger;
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u_short mr_stgr;
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u_short mr_ftgr;
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u_short mr_atgr;
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u_char mr_mmr1;
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u_char mr_mmr2;
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};
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/*
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* pdma state
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*/
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struct auio {
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bus_space_tag_t au_bt; /* bus tag */
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bus_space_handle_t au_bh; /* handle to chip registers */
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u_char *au_rdata; /* record data */
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u_char *au_rend; /* end of record data */
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u_char *au_pdata; /* play data */
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u_char *au_pend; /* end of play data */
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struct evcnt au_intrcnt; /* statistics */
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};
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/*
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* interrupt-hanlder status
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* XXX should be MI or required in each port's <machine/cpu.h>
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*/
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struct am7930_intrhand {
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int (*ih_fun) __P((void *));
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void *ih_arg;
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};
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struct am7930_softc {
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struct device sc_dev; /* base device */
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bus_space_tag_t sc_bustag; /* bus cookie */
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bus_space_handle_t sc_bh; /* device registers */
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int sc_open; /* single use device */
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int sc_locked; /* true when transfering data */
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struct mapreg sc_map; /* current contents of map registers */
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u_char sc_rlevel; /* record level */
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u_char sc_plevel; /* play level */
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u_char sc_mlevel; /* monitor level */
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u_char sc_out_port; /* output port */
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/* Callbacks */
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void (*sc_wam16) __P((bus_space_tag_t bt, bus_space_handle_t bh,
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u_int16_t val));
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#define WAMD16(bt, bh, v) (sc)->sc_wam16((bt), (bh), (v))
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void (*sc_onopen) __P((struct am7930_softc *sc));
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void (*sc_onclose) __P((struct am7930_softc *sc));
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/*
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* interface to the sparc MD interrupt handlers.
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* XXX should really either be in MD sparc derived softc struct,
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* or replaced with an MI pdma type.
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*/
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struct am7930_intrhand sc_ih; /* interrupt vector (hw or sw) */
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void (*sc_rintr)(void*); /* input completion intr handler */
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void *sc_rarg; /* arg for sc_rintr() */
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void (*sc_pintr)(void*); /* output completion intr handler */
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void *sc_parg; /* arg for sc_pintr() */
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/* sc_au is special in that the hardware interrupt handler uses it */
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struct auio sc_au; /* recv and xmit buffers, etc */
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#define sc_intrcnt sc_au.au_intrcnt /* statistics */
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};
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extern int am7930debug;
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/* Write 16 bits of data from variable v to the data port of the audio chip */
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/*
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* Sun-specific audio channel definitions.
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*/
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#define SUNAUDIO_MIC_PORT 0
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#define SUNAUDIO_SPEAKER 1
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#define SUNAUDIO_HEADPHONES 2
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#define SUNAUDIO_MONITOR 3
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#define SUNAUDIO_SOURCE 4
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#define SUNAUDIO_OUTPUT 5
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#define SUNAUDIO_INPUT_CLASS 6
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#define SUNAUDIO_OUTPUT_CLASS 7
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#define SUNAUDIO_RECORD_CLASS 8
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#define SUNAUDIO_MONITOR_CLASS 9
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/* declarations */
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void am7930_init __P((struct am7930_softc *));
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/*
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* audio(9) MI callbacks from upper-level audio layer.
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*/
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struct audio_device;
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struct audio_encoding;
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struct audio_params;
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int am7930_open __P((void *, int));
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void am7930_close __P((void *));
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int am7930_query_encoding __P((void *, struct audio_encoding *));
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int am7930_set_params __P((void *, int, int, struct audio_params *, struct audio_params *));
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int am7930_commit_settings __P((void *));
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int am7930_round_blocksize __P((void *, int));
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int am7930_halt_output __P((void *));
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int am7930_halt_input __P((void *));
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int am7930_getdev __P((void *, struct audio_device *));
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int am7930_get_props __P((void *));
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#endif /* !_LOCORE */
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