158 lines
4.5 KiB
C
158 lines
4.5 KiB
C
/* $NetBSD: essvar.h,v 1.14 1999/03/18 06:03:31 mycroft Exp $ */
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/*
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* Copyright 1997
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* Digital Equipment Corporation. All rights reserved.
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*
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* This software is furnished under license and may be used and
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* copied only in accordance with the following terms and conditions.
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* Subject to these conditions, you may download, copy, install,
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* use, modify and distribute this software in source and/or binary
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* form. No title or ownership is transferred hereby.
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*
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* 1) Any source code used, modified or distributed must reproduce
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* and retain this copyright notice and list of conditions as
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* they appear in the source file.
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*
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* 2) No right is granted to use any trade name, trademark, or logo of
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* Digital Equipment Corporation. Neither the "Digital Equipment
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* Corporation" name nor any trademark or logo of Digital Equipment
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* Corporation may be used to endorse or promote products derived
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* from this software without the prior written permission of
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* Digital Equipment Corporation.
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*
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* 3) This software is provided "AS-IS" and any express or implied
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* warranties, including but not limited to, any implied warranties
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* of merchantability, fitness for a particular purpose, or
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* non-infringement are disclaimed. In no event shall DIGITAL be
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* liable for any damages whatsoever, and in particular, DIGITAL
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* shall not be liable for special, indirect, consequential, or
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* incidental damages or damages for lost profits, loss of
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* revenue or loss of use, whether such damages arise in contract,
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* negligence, tort, under statute, in equity, at law or otherwise,
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* even if advised of the possibility of such damage.
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*/
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/*
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** @(#) $RCSfile: essvar.h,v $ $Revision: 1.14 $ (SHARK) $Date: 1999/03/18 06:03:31 $
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**
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**++
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**
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** essvar.h
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**
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** FACILITY:
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**
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** DIGITAL Network Appliance Reference Design (DNARD)
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**
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** MODULE DESCRIPTION:
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**
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** This module contains the structure definitions and function
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** prototypes for the ESS Technologies 1887/888 sound chip
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** driver.
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**
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** AUTHORS:
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**
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** Blair Fidler Software Engineering Australia
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** Gold Coast, Australia.
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**
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** CREATION DATE:
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**
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** May 12, 1997.
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**
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** MODIFICATION HISTORY:
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**
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**--
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*/
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#define ESS_DAC_PLAY_VOL 0
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#define ESS_MIC_PLAY_VOL 1
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#define ESS_LINE_PLAY_VOL 2
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#define ESS_SYNTH_PLAY_VOL 3
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#define ESS_CD_PLAY_VOL 4
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#define ESS_AUXB_PLAY_VOL 5
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#define ESS_INPUT_CLASS 6
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#define ESS_MASTER_VOL 7
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#define ESS_PCSPEAKER_VOL 8
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#define ESS_OUTPUT_CLASS 9
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#define ESS_RECORD_MONITOR 10
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#define ESS_MONITOR_CLASS 11
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#define ESS_RECORD_VOL 12
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#define ESS_RECORD_SOURCE 13
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#define ESS_RECORD_CLASS 14
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#define ESS_1788_NDEVS 15
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#define ESS_DAC_REC_VOL 15
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#define ESS_MIC_REC_VOL 16
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#define ESS_LINE_REC_VOL 17
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#define ESS_SYNTH_REC_VOL 18
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#define ESS_CD_REC_VOL 19
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#define ESS_AUXB_REC_VOL 20
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#define ESS_MIC_PREAMP 21
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#define ESS_1888_NDEVS 22
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#define ESS_MAX_NDEVS 22
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struct ess_audio_channel
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{
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int drq; /* DMA channel */
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#define IS16BITDRQ(drq) ((drq) >= 4)
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int irq; /* IRQ line for this DMA channel */
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int ist;
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void *ih; /* interrupt vectoring */
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u_long nintr; /* number of interrupts taken */
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void (*intr)__P((void*)); /* ISR for DMA complete */
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void *arg; /* arg for intr() */
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/* Status information */
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int active; /* boolean: channel in use? */
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/* Polling state */
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int polled; /* 1 if channel is polled */
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int dmapos; /* last DMA pointer */
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int buffersize; /* size of DMA buffer */
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/* (The following is only needed due to the stupid block interface.) */
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int dmacount; /* leftover partial block */
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int blksize; /* current block size */
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};
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struct ess_softc
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{
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struct device sc_dev; /* base device */
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isa_chipset_tag_t sc_ic;
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bus_space_tag_t sc_iot; /* tag */
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bus_space_handle_t sc_ioh; /* handle */
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int sc_iobase; /* I/O port base address */
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u_short sc_open; /* reference count of open calls */
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int ndevs;
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u_char gain[ESS_MAX_NDEVS][2]; /* kept in input levels */
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#define ESS_LEFT 0
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#define ESS_RIGHT 1
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u_int out_port; /* output port */
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u_int in_mask; /* input ports */
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u_int in_port; /* XXX needed for MI interface */
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u_int spkr_state; /* non-null is on */
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struct ess_audio_channel sc_audio1; /* audio channel for record */
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struct ess_audio_channel sc_audio2; /* audio channel for playback */
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u_int sc_model;
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#define ESS_UNSUPPORTED 0
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#define ESS_1888 1
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#define ESS_1887 2
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#define ESS_888 3
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#define ESS_1788 4
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u_int sc_version; /* Legacy ES688/ES1688 ID */
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};
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int essmatch __P((struct ess_softc *));
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void essattach __P((struct ess_softc *));
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