NetBSD/sys/dev/ic/am7930var.h

175 lines
5.7 KiB
C
Raw Normal View History

/* $NetBSD: am7930var.h,v 1.6 1999/03/14 22:29:01 jonathan Exp $ */
1994-11-20 23:51:32 +03:00
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)bsd_audiovar.h 8.1 (Berkeley) 6/11/93
*/
1996-02-02 01:28:24 +03:00
#ifndef _LOCORE
/*
* MI Software state, per AMD79C30 audio chip.
*/
struct intrhand;
/*
1995-04-26 00:05:32 +04:00
* Chip interface
*/
1995-04-26 00:05:32 +04:00
struct mapreg {
u_short mr_x[8];
u_short mr_r[8];
u_short mr_gx;
u_short mr_gr;
u_short mr_ger;
u_short mr_stgr;
u_short mr_ftgr;
u_short mr_atgr;
u_char mr_mmr1;
u_char mr_mmr2;
};
/*
* pdma state
*/
struct auio {
bus_space_tag_t au_bt; /* bus tag */
bus_space_handle_t au_bh; /* handle to chip registers */
u_char *au_rdata; /* record data */
u_char *au_rend; /* end of record data */
u_char *au_pdata; /* play data */
u_char *au_pend; /* end of play data */
struct evcnt au_intrcnt; /* statistics */
};
/*
* interrupt-hanlder status
* XXX should be MI or required in each port's <machine/cpu.h>
*/
struct am7930_intrhand {
int (*ih_fun) __P((void *));
void *ih_arg;
};
struct am7930_softc {
struct device sc_dev; /* base device */
bus_space_tag_t sc_bustag; /* bus cookie */
bus_space_handle_t sc_bh; /* device registers */
int sc_open; /* single use device */
int sc_locked; /* true when transfering data */
struct mapreg sc_map; /* current contents of map registers */
u_char sc_rlevel; /* record level */
u_char sc_plevel; /* play level */
u_char sc_mlevel; /* monitor level */
u_char sc_out_port; /* output port */
/* Callbacks */
void (*sc_wam16) __P((bus_space_tag_t bt, bus_space_handle_t bh,
u_int16_t val));
#define WAMD16(bt, bh, v) (sc)->sc_wam16((bt), (bh), (v))
void (*sc_onopen) __P((struct am7930_softc *sc));
void (*sc_onclose) __P((struct am7930_softc *sc));
/*
* interface to the sparc MD interrupt handlers.
* XXX should really either be in MD sparc derived softc struct,
* or replaced with an MI pdma type.
*/
struct am7930_intrhand sc_ih; /* interrupt vector (hw or sw) */
void (*sc_rintr)(void*); /* input completion intr handler */
void *sc_rarg; /* arg for sc_rintr() */
void (*sc_pintr)(void*); /* output completion intr handler */
void *sc_parg; /* arg for sc_pintr() */
/* sc_au is special in that the hardware interrupt handler uses it */
struct auio sc_au; /* recv and xmit buffers, etc */
#define sc_intrcnt sc_au.au_intrcnt /* statistics */
};
extern int am7930debug;
/* Write 16 bits of data from variable v to the data port of the audio chip */
/*
* Sun-specific audio channel definitions.
*/
#define SUNAUDIO_MIC_PORT 0
#define SUNAUDIO_SPEAKER 1
#define SUNAUDIO_HEADPHONES 2
#define SUNAUDIO_MONITOR 3
#define SUNAUDIO_SOURCE 4
#define SUNAUDIO_OUTPUT 5
#define SUNAUDIO_INPUT_CLASS 6
#define SUNAUDIO_OUTPUT_CLASS 7
#define SUNAUDIO_RECORD_CLASS 8
#define SUNAUDIO_MONITOR_CLASS 9
/* declarations */
void am7930_init __P((struct am7930_softc *));
/*
* audio(9) MI callbacks from upper-level audio layer.
*/
struct audio_device;
struct audio_encoding;
struct audio_params;
int am7930_open __P((void *, int));
void am7930_close __P((void *));
int am7930_query_encoding __P((void *, struct audio_encoding *));
int am7930_set_params __P((void *, int, int, struct audio_params *, struct audio_params *));
int am7930_commit_settings __P((void *));
int am7930_round_blocksize __P((void *, int));
int am7930_halt_output __P((void *));
int am7930_halt_input __P((void *));
int am7930_getdev __P((void *, struct audio_device *));
int am7930_get_props __P((void *));
1996-02-02 01:28:24 +03:00
#endif /* !_LOCORE */