Annotation of sys/dev/isa/essvar.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: essvar.h,v 1.5 2002/03/14 03:16:05 millert Exp $ */
! 2: /* $NetBSD: essvar.h,v 1.14 1999/03/18 06:03:31 mycroft Exp $ */
! 3: /*
! 4: * Copyright 1997
! 5: * Digital Equipment Corporation. All rights reserved.
! 6: *
! 7: * This software is furnished under license and may be used and
! 8: * copied only in accordance with the following terms and conditions.
! 9: * Subject to these conditions, you may download, copy, install,
! 10: * use, modify and distribute this software in source and/or binary
! 11: * form. No title or ownership is transferred hereby.
! 12: *
! 13: * 1) Any source code used, modified or distributed must reproduce
! 14: * and retain this copyright notice and list of conditions as
! 15: * they appear in the source file.
! 16: *
! 17: * 2) No right is granted to use any trade name, trademark, or logo of
! 18: * Digital Equipment Corporation. Neither the "Digital Equipment
! 19: * Corporation" name nor any trademark or logo of Digital Equipment
! 20: * Corporation may be used to endorse or promote products derived
! 21: * from this software without the prior written permission of
! 22: * Digital Equipment Corporation.
! 23: *
! 24: * 3) This software is provided "AS-IS" and any express or implied
! 25: * warranties, including but not limited to, any implied warranties
! 26: * of merchantability, fitness for a particular purpose, or
! 27: * non-infringement are disclaimed. In no event shall DIGITAL be
! 28: * liable for any damages whatsoever, and in particular, DIGITAL
! 29: * shall not be liable for special, indirect, consequential, or
! 30: * incidental damages or damages for lost profits, loss of
! 31: * revenue or loss of use, whether such damages arise in contract,
! 32: * negligence, tort, under statute, in equity, at law or otherwise,
! 33: * even if advised of the possibility of such damage.
! 34: */
! 35:
! 36: /*
! 37: ** @(#) $RCSfile: essvar.h,v $ $Revision: 1.5 $ (SHARK) $Date: 2002/03/14 03:16:05 $
! 38: **
! 39: **++
! 40: **
! 41: ** essvar.h
! 42: **
! 43: ** FACILITY:
! 44: **
! 45: ** DIGITAL Network Appliance Reference Design (DNARD)
! 46: **
! 47: ** MODULE DESCRIPTION:
! 48: **
! 49: ** This module contains the structure definitions and function
! 50: ** prototypes for the ESS Technologies 1887/888 sound chip
! 51: ** driver.
! 52: **
! 53: ** AUTHORS:
! 54: **
! 55: ** Blair Fidler Software Engineering Australia
! 56: ** Gold Coast, Australia.
! 57: **
! 58: ** CREATION DATE:
! 59: **
! 60: ** May 12, 1997.
! 61: **
! 62: ** MODIFICATION HISTORY:
! 63: **
! 64: **--
! 65: */
! 66: #define ESS_DAC_PLAY_VOL 0
! 67: #define ESS_MIC_PLAY_VOL 1
! 68: #define ESS_LINE_PLAY_VOL 2
! 69: #define ESS_SYNTH_PLAY_VOL 3
! 70: #define ESS_CD_PLAY_VOL 4
! 71: #define ESS_AUXB_PLAY_VOL 5
! 72: #define ESS_INPUT_CLASS 6
! 73:
! 74: #define ESS_MASTER_VOL 7
! 75: #define ESS_PCSPEAKER_VOL 8
! 76: #define ESS_OUTPUT_CLASS 9
! 77:
! 78: #define ESS_RECORD_MONITOR 10
! 79: #define ESS_MONITOR_CLASS 11
! 80:
! 81: #define ESS_RECORD_VOL 12
! 82: #define ESS_RECORD_SOURCE 13
! 83: #define ESS_RECORD_CLASS 14
! 84:
! 85: #define ESS_1788_NDEVS 15
! 86:
! 87: #define ESS_DAC_REC_VOL 15
! 88: #define ESS_MIC_REC_VOL 16
! 89: #define ESS_LINE_REC_VOL 17
! 90: #define ESS_SYNTH_REC_VOL 18
! 91: #define ESS_CD_REC_VOL 19
! 92: #define ESS_AUXB_REC_VOL 20
! 93: #define ESS_MIC_PREAMP 21
! 94:
! 95: #define ESS_1888_NDEVS 22
! 96: #define ESS_MAX_NDEVS 22
! 97:
! 98: struct ess_audio_channel
! 99: {
! 100: int drq; /* DMA channel */
! 101: #define IS16BITDRQ(drq) ((drq) >= 4)
! 102: int irq; /* IRQ line for this DMA channel */
! 103: int ist;
! 104: void *ih; /* interrupt vectoring */
! 105: u_long nintr; /* number of interrupts taken */
! 106: void (*intr)(void *); /* ISR for DMA complete */
! 107: void *arg; /* arg for intr() */
! 108:
! 109: /* Status information */
! 110: int active; /* boolean: channel in use? */
! 111:
! 112: /* Polling state */
! 113: int polled; /* 1 if channel is polled */
! 114: int dmapos; /* last DMA pointer */
! 115: int buffersize; /* size of DMA buffer */
! 116: /* (The following is only needed due to the stupid block interface.) */
! 117: int dmacount; /* leftover partial block */
! 118: int blksize; /* current block size */
! 119: };
! 120:
! 121: struct ess_softc
! 122: {
! 123: struct device sc_dev; /* base device */
! 124: struct device *sc_isa;
! 125: isa_chipset_tag_t sc_ic;
! 126: bus_space_tag_t sc_iot; /* tag */
! 127: bus_space_handle_t sc_ioh; /* handle */
! 128: struct timeout sc_tmo1, sc_tmo2;
! 129:
! 130: int sc_iobase; /* I/O port base address */
! 131:
! 132: u_short sc_open; /* reference count of open calls */
! 133:
! 134: int ndevs;
! 135: u_char gain[ESS_MAX_NDEVS][2]; /* kept in input levels */
! 136: #define ESS_LEFT 0
! 137: #define ESS_RIGHT 1
! 138:
! 139: u_int out_port; /* output port */
! 140: u_int in_mask; /* input ports */
! 141: u_int in_port; /* XXX needed for MI interface */
! 142:
! 143: u_int spkr_state; /* non-null is on */
! 144:
! 145: struct ess_audio_channel sc_audio1; /* audio channel for record */
! 146: struct ess_audio_channel sc_audio2; /* audio channel for playback */
! 147:
! 148: u_int sc_model;
! 149: #define ESS_UNSUPPORTED 0
! 150: #define ESS_1888 1
! 151: #define ESS_1887 2
! 152: #define ESS_888 3
! 153: #define ESS_1788 4
! 154: #define ESS_1869 5
! 155: #define ESS_1879 6
! 156: #define ESS_1868 7
! 157: #define ESS_1878 8
! 158:
! 159: u_int sc_version; /* Legacy ES688/ES1688 ID */
! 160: };
! 161:
! 162: int essmatch(struct ess_softc *);
! 163: void essattach(struct ess_softc *);
! 164:
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