1 /* $NetBSD: essvar.h,v 1.16 2000/02/07 22:07:31 thorpej Exp $ */ 2 /* 3 * Copyright 1997 4 * Digital Equipment Corporation. All rights reserved. 5 * 6 * This software is furnished under license and may be used and 7 * copied only in accordance with the following terms and conditions. 8 * Subject to these conditions, you may download, copy, install, 9 * use, modify and distribute this software in source and/or binary 10 * form. No title or ownership is transferred hereby. 11 * 12 * 1) Any source code used, modified or distributed must reproduce 13 * and retain this copyright notice and list of conditions as 14 * they appear in the source file. 15 * 16 * 2) No right is granted to use any trade name, trademark, or logo of 17 * Digital Equipment Corporation. Neither the "Digital Equipment 18 * Corporation" name nor any trademark or logo of Digital Equipment 19 * Corporation may be used to endorse or promote products derived 20 * from this software without the prior written permission of 21 * Digital Equipment Corporation. 22 * 23 * 3) This software is provided "AS-IS" and any express or implied 24 * warranties, including but not limited to, any implied warranties 25 * of merchantability, fitness for a particular purpose, or 26 * non-infringement are disclaimed. In no event shall DIGITAL be 27 * liable for any damages whatsoever, and in particular, DIGITAL 28 * shall not be liable for special, indirect, consequential, or 29 * incidental damages or damages for lost profits, loss of 30 * revenue or loss of use, whether such damages arise in contract, 31 * negligence, tort, under statute, in equity, at law or otherwise, 32 * even if advised of the possibility of such damage. 33 */ 34 35 /* 36 ** @(#) $RCSfile: essvar.h,v $ $Revision: 1.16 $ (SHARK) $Date: 2000/02/07 22:07:31 $ 37 ** 38 **++ 39 ** 40 ** essvar.h 41 ** 42 ** FACILITY: 43 ** 44 ** DIGITAL Network Appliance Reference Design (DNARD) 45 ** 46 ** MODULE DESCRIPTION: 47 ** 48 ** This module contains the structure definitions and function 49 ** prototypes for the ESS Technologies 1887/888 sound chip 50 ** driver. 51 ** 52 ** AUTHORS: 53 ** 54 ** Blair Fidler Software Engineering Australia 55 ** Gold Coast, Australia. 56 ** 57 ** CREATION DATE: 58 ** 59 ** May 12, 1997. 60 ** 61 ** MODIFICATION HISTORY: 62 ** 63 **-- 64 */ 65 #define ESS_DAC_PLAY_VOL 0 66 #define ESS_MIC_PLAY_VOL 1 67 #define ESS_LINE_PLAY_VOL 2 68 #define ESS_SYNTH_PLAY_VOL 3 69 #define ESS_CD_PLAY_VOL 4 70 #define ESS_AUXB_PLAY_VOL 5 71 #define ESS_INPUT_CLASS 6 72 73 #define ESS_MASTER_VOL 7 74 #define ESS_PCSPEAKER_VOL 8 75 #define ESS_OUTPUT_CLASS 9 76 77 #define ESS_RECORD_MONITOR 10 78 #define ESS_MONITOR_CLASS 11 79 80 #define ESS_RECORD_VOL 12 81 #define ESS_RECORD_SOURCE 13 82 #define ESS_RECORD_CLASS 14 83 84 #define ESS_1788_NDEVS 15 85 86 #define ESS_DAC_REC_VOL 15 87 #define ESS_MIC_REC_VOL 16 88 #define ESS_LINE_REC_VOL 17 89 #define ESS_SYNTH_REC_VOL 18 90 #define ESS_CD_REC_VOL 19 91 #define ESS_AUXB_REC_VOL 20 92 #define ESS_MIC_PREAMP 21 93 94 #define ESS_1888_NDEVS 22 95 #define ESS_MAX_NDEVS 22 96 97 struct ess_audio_channel 98 { 99 int drq; /* DMA channel */ 100 bus_size_t maxsize; /* max size for 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)__P((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 isa_chipset_tag_t sc_ic; 125 bus_space_tag_t sc_iot; /* tag */ 126 bus_space_handle_t sc_ioh; /* handle */ 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 __P((struct ess_softc *)); 161 void essattach __P((struct ess_softc *)); 162 163