1 /* $NetBSD: essvar.h,v 1.27 2014/08/16 13:01:33 nakayama 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: 1.27 $ (SHARK) $Date: 2014/08/16 13:01:33 $ 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 66 #include <sys/callout.h> 67 68 #define ESS_DAC_PLAY_VOL 0 69 #define ESS_MIC_PLAY_VOL 1 70 #define ESS_LINE_PLAY_VOL 2 71 #define ESS_SYNTH_PLAY_VOL 3 72 #define ESS_CD_PLAY_VOL 4 73 #define ESS_AUXB_PLAY_VOL 5 74 #define ESS_INPUT_CLASS 6 75 76 #define ESS_MASTER_VOL 7 77 #define ESS_PCSPEAKER_VOL 8 78 #define ESS_OUTPUT_CLASS 9 79 80 #define ESS_RECORD_MONITOR 10 81 #define ESS_MONITOR_CLASS 11 82 83 #define ESS_RECORD_VOL 12 84 #define ESS_RECORD_SOURCE 13 85 #define ESS_RECORD_CLASS 14 86 87 #define ESS_1788_NDEVS 15 88 89 #define ESS_SPATIALIZER 15 90 #define ESS_SPATIALIZER_ENABLE 16 91 92 #define ESS_18X9_NDEVS 17 93 94 #define ESS_DAC_REC_VOL 15 95 #define ESS_MIC_REC_VOL 16 96 #define ESS_LINE_REC_VOL 17 97 #define ESS_SYNTH_REC_VOL 18 98 #define ESS_CD_REC_VOL 19 99 #define ESS_AUXB_REC_VOL 20 100 #define ESS_MIC_PREAMP 21 101 102 #define ESS_1888_NDEVS 22 103 #define ESS_MAX_NDEVS 22 104 105 struct ess_audio_channel 106 { 107 int drq; /* DMA channel */ 108 bus_size_t maxsize; /* max size for DMA channel */ 109 #define IS16BITDRQ(drq) ((drq) >= 4) 110 int irq; /* IRQ line for this DMA channel */ 111 int ist; 112 void *ih; /* interrupt vectoring */ 113 u_long nintr; /* number of interrupts taken */ 114 void (*intr)(void*); /* ISR for DMA complete */ 115 void *arg; /* arg for intr() */ 116 117 /* Status information */ 118 int active; /* boolean: channel in use? */ 119 120 /* Polling state */ 121 int polled; /* 1 if channel is polled */ 122 int dmapos; /* last DMA pointer */ 123 int buffersize; /* size of DMA buffer */ 124 /* (The following is only needed due to the stupid block interface.) */ 125 int dmacount; /* leftover partial block */ 126 int blksize; /* current block size */ 127 }; 128 129 struct ess_softc 130 { 131 device_t sc_dev; /* base device */ 132 isa_chipset_tag_t sc_ic; 133 bus_space_tag_t sc_iot; /* tag */ 134 bus_space_handle_t sc_ioh; /* handle */ 135 kmutex_t sc_lock; 136 kmutex_t sc_intr_lock; 137 138 callout_t sc_poll1_ch; /* audio1 poll */ 139 callout_t sc_poll2_ch; /* audio2 poll */ 140 141 int sc_iobase; /* I/O port base address */ 142 143 u_short sc_open; /* reference count of open calls */ 144 145 int ndevs; 146 u_char gain[ESS_MAX_NDEVS][2]; /* kept in input levels */ 147 #define ESS_LEFT 0 148 #define ESS_RIGHT 1 149 150 u_int out_port; /* output port */ 151 u_int in_mask; /* input ports */ 152 u_int in_port; /* XXX needed for MI interface */ 153 154 u_int spkr_state; /* non-null is on */ 155 156 struct ess_audio_channel sc_audio1; /* audio channel for record */ 157 struct ess_audio_channel sc_audio2; /* audio channel for playback */ 158 159 u_int sc_model; 160 #define ESS_UNSUPPORTED 0 161 #define ESS_688 1 162 #define ESS_1688 2 163 #define ESS_1788 3 164 #define ESS_1868 4 165 #define ESS_1869 5 166 #define ESS_1878 6 167 #define ESS_1879 7 168 #define ESS_888 8 169 #define ESS_1887 9 170 #define ESS_1888 10 171 172 u_int sc_version; /* Legacy ES688/ES1688 ID */ 173 174 u_int sc_spatializer; /* spatializer enable */ 175 176 /* game port on es1888 */ 177 bus_space_tag_t sc_joy_iot; 178 bus_space_handle_t sc_joy_ioh; 179 }; 180 181 int essmatch(struct ess_softc *); 182 void essattach(struct ess_softc *, int); 183 int ess_config_addr(struct ess_softc *); 184 185
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