/* $OpenBSD: essvar.h,v 1.6 2024/10/22 21:50:02 jsg Exp $ */ /* $NetBSD: essvar.h,v 1.14 1999/03/18 06:03:31 mycroft Exp $ */ /* * Copyright 1997 * Digital Equipment Corporation. All rights reserved. * * This software is furnished under license and may be used and * copied only in accordance with the following terms and conditions. * Subject to these conditions, you may download, copy, install, * use, modify and distribute this software in source and/or binary * form. No title or ownership is transferred hereby. * * 1) Any source code used, modified or distributed must reproduce * and retain this copyright notice and list of conditions as * they appear in the source file. * * 2) No right is granted to use any trade name, trademark, or logo of * Digital Equipment Corporation. Neither the "Digital Equipment * Corporation" name nor any trademark or logo of Digital Equipment * Corporation may be used to endorse or promote products derived * from this software without the prior written permission of * Digital Equipment Corporation. * * 3) This software is provided "AS-IS" and any express or implied * warranties, including but not limited to, any implied warranties * of merchantability, fitness for a particular purpose, or * non-infringement are disclaimed. In no event shall DIGITAL be * liable for any damages whatsoever, and in particular, DIGITAL * shall not be liable for special, indirect, consequential, or * incidental damages or damages for lost profits, loss of * revenue or loss of use, whether such damages arise in contract, * negligence, tort, under statute, in equity, at law or otherwise, * even if advised of the possibility of such damage. */ /* ** @(#) $RCSfile: essvar.h,v $ $Revision: 1.6 $ (SHARK) $Date: 2024/10/22 21:50:02 $ ** **++ ** ** essvar.h ** ** FACILITY: ** ** DIGITAL Network Appliance Reference Design (DNARD) ** ** MODULE DESCRIPTION: ** ** This module contains the structure definitions and function ** prototypes for the ESS Technologies 1887/888 sound chip ** driver. ** ** AUTHORS: ** ** Blair Fidler Software Engineering Australia ** Gold Coast, Australia. ** ** CREATION DATE: ** ** May 12, 1997. ** ** MODIFICATION HISTORY: ** **-- */ #define ESS_DAC_PLAY_VOL 0 #define ESS_MIC_PLAY_VOL 1 #define ESS_LINE_PLAY_VOL 2 #define ESS_SYNTH_PLAY_VOL 3 #define ESS_CD_PLAY_VOL 4 #define ESS_AUXB_PLAY_VOL 5 #define ESS_INPUT_CLASS 6 #define ESS_MASTER_VOL 7 #define ESS_PCSPEAKER_VOL 8 #define ESS_OUTPUT_CLASS 9 #define ESS_RECORD_MONITOR 10 #define ESS_MONITOR_CLASS 11 #define ESS_RECORD_VOL 12 #define ESS_RECORD_SOURCE 13 #define ESS_RECORD_CLASS 14 #define ESS_1788_NDEVS 15 #define ESS_DAC_REC_VOL 15 #define ESS_MIC_REC_VOL 16 #define ESS_LINE_REC_VOL 17 #define ESS_SYNTH_REC_VOL 18 #define ESS_CD_REC_VOL 19 #define ESS_AUXB_REC_VOL 20 #define ESS_MIC_PREAMP 21 #define ESS_1888_NDEVS 22 #define ESS_MAX_NDEVS 22 struct ess_audio_channel { int drq; /* DMA channel */ #define IS16BITDRQ(drq) ((drq) >= 4) int irq; /* IRQ line for this DMA channel */ int ist; void *ih; /* interrupt vectoring */ u_long nintr; /* number of interrupts taken */ void (*intr)(void *); /* ISR for DMA complete */ void *arg; /* arg for intr() */ /* Status information */ int active; /* boolean: channel in use? */ /* Polling state */ int polled; /* 1 if channel is polled */ int dmapos; /* last DMA pointer */ int buffersize; /* size of DMA buffer */ /* (The following is only needed due to the stupid block interface.) */ int dmacount; /* leftover partial block */ int blksize; /* current block size */ }; struct ess_softc { struct device sc_dev; /* base device */ struct device *sc_isa; isa_chipset_tag_t sc_ic; bus_space_tag_t sc_iot; /* tag */ bus_space_handle_t sc_ioh; /* handle */ struct timeout sc_tmo1, sc_tmo2; int sc_iobase; /* I/O port base address */ u_short sc_open; /* reference count of open calls */ int ndevs; u_char gain[ESS_MAX_NDEVS][2]; /* kept in input levels */ #define ESS_LEFT 0 #define ESS_RIGHT 1 u_int out_port; /* output port */ u_int in_mask; /* input ports */ u_int in_port; /* XXX needed for MI interface */ u_int spkr_state; /* non-null is on */ struct ess_audio_channel sc_audio1; /* audio channel for record */ struct ess_audio_channel sc_audio2; /* audio channel for playback */ u_int sc_model; #define ESS_UNSUPPORTED 0 #define ESS_1888 1 #define ESS_1887 2 #define ESS_888 3 #define ESS_1788 4 #define ESS_1869 5 #define ESS_1879 6 #define ESS_1868 7 #define ESS_1878 8 u_int sc_version; /* Legacy ES688/ES1688 ID */ }; int essmatch(struct ess_softc *); void essattach(struct ess_softc *);