1 /* $OpenBSD: essvar.h,v 1.6 2024/10/22 21:50:02 jsg 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: 1.6 $ (SHARK) $Date: 2024/10/22 21:50:02 $ 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 int drq; /* DMA channel */ 100 #define IS16BITDRQ(drq) ((drq) >= 4) 101 int irq; /* IRQ line for this DMA channel */ 102 int ist; 103 void *ih; /* interrupt vectoring */ 104 u_long nintr; /* number of interrupts taken */ 105 void (*intr)(void *); /* ISR for DMA complete */ 106 void *arg; /* arg for intr() */ 107 108 /* Status information */ 109 int active; /* boolean: channel in use? */ 110 111 /* Polling state */ 112 int polled; /* 1 if channel is polled */ 113 int dmapos; /* last DMA pointer */ 114 int buffersize; /* size of DMA buffer */ 115 /* (The following is only needed due to the stupid block interface.) */ 116 int dmacount; /* leftover partial block */ 117 int blksize; /* current block size */ 118 }; 119 120 struct ess_softc { 121 struct device sc_dev; /* base device */ 122 struct device *sc_isa; 123 isa_chipset_tag_t sc_ic; 124 bus_space_tag_t sc_iot; /* tag */ 125 bus_space_handle_t sc_ioh; /* handle */ 126 struct timeout sc_tmo1, sc_tmo2; 127 128 int sc_iobase; /* I/O port base address */ 129 130 u_short sc_open; /* reference count of open calls */ 131 132 int ndevs; 133 u_char gain[ESS_MAX_NDEVS][2]; /* kept in input levels */ 134 #define ESS_LEFT 0 135 #define ESS_RIGHT 1 136 137 u_int out_port; /* output port */ 138 u_int in_mask; /* input ports */ 139 u_int in_port; /* XXX needed for MI interface */ 140 141 u_int spkr_state; /* non-null is on */ 142 143 struct ess_audio_channel sc_audio1; /* audio channel for record */ 144 struct ess_audio_channel sc_audio2; /* audio channel for playback */ 145 146 u_int sc_model; 147 #define ESS_UNSUPPORTED 0 148 #define ESS_1888 1 149 #define ESS_1887 2 150 #define ESS_888 3 151 #define ESS_1788 4 152 #define ESS_1869 5 153 #define ESS_1879 6 154 #define ESS_1868 7 155 #define ESS_1878 8 156 157 u_int sc_version; /* Legacy ES688/ES1688 ID */ 158 }; 159 160 int essmatch(struct ess_softc *); 161 void essattach(struct ess_softc *); 162 163