am7930var.h revision 1.5
1 /* $NetBSD: am7930var.h,v 1.5 1998/06/24 11:09:23 jonathan Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This software was developed by the Computer Systems Engineering group 8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 9 * contributed to Berkeley. 10 * 11 * All advertising materials mentioning features or use of this software 12 * must display the following acknowledgement: 13 * This product includes software developed by the University of 14 * California, Lawrence Berkeley Laboratory. 15 * 16 * Redistribution and use in source and binary forms, with or without 17 * modification, are permitted provided that the following conditions 18 * are met: 19 * 1. Redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer. 21 * 2. Redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution. 24 * 3. All advertising materials mentioning features or use of this software 25 * must display the following acknowledgement: 26 * This product includes software developed by the University of 27 * California, Berkeley and its contributors. 28 * 4. Neither the name of the University nor the names of its contributors 29 * may be used to endorse or promote products derived from this software 30 * without specific prior written permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 42 * SUCH DAMAGE. 43 * 44 * @(#)bsd_audiovar.h 8.1 (Berkeley) 6/11/93 45 */ 46 47 #ifndef _LOCORE 48 49 /* 50 * MI Software state, per AMD79C30 audio chip. 51 */ 52 struct intrhand; 53 54 /* 55 * Chip interface 56 */ 57 struct mapreg { 58 u_short mr_x[8]; 59 u_short mr_r[8]; 60 u_short mr_gx; 61 u_short mr_gr; 62 u_short mr_ger; 63 u_short mr_stgr; 64 u_short mr_ftgr; 65 u_short mr_atgr; 66 u_char mr_mmr1; 67 u_char mr_mmr2; 68 }; 69 70 /* 71 * pdma state 72 */ 73 struct auio { 74 volatile struct am7930 *au_amd;/* chip registers */ 75 76 u_char *au_rdata; /* record data */ 77 u_char *au_rend; /* end of record data */ 78 u_char *au_pdata; /* play data */ 79 u_char *au_pend; /* end of play data */ 80 struct evcnt au_intrcnt; /* statistics */ 81 }; 82 83 84 85 struct am7930_softc { 86 struct device sc_dev; /* base device */ 87 bus_space_tag_t sc_bustag; 88 89 int sc_open; /* single use device */ 90 int sc_locked; /* true when transfering data */ 91 struct mapreg sc_map; /* current contents of map registers */ 92 93 u_char sc_rlevel; /* record level */ 94 u_char sc_plevel; /* play level */ 95 u_char sc_mlevel; /* monitor level */ 96 u_char sc_out_port; /* output port */ 97 98 volatile struct am7930 *sc_amd;/* chip registers */ 99 100 /* Callbacks */ 101 void (*sc_wam16) __P((volatile struct am7930 *amd, u_int16_t val)); 102 #define WAMD16(sc, amd, v) (sc)->sc_wam16((amd), (v)) 103 void (*sc_onopen) __P((struct am7930_softc *sc)); 104 void (*sc_onclose) __P((struct am7930_softc *sc)); 105 106 107 /* 108 * interface to the sparc MD interrupt handlers. 109 * XXX should really either be in MD sparc derived softc struct, 110 * or replaced with an MI pdma type. 111 */ 112 113 /*struct intrhand sc_hwih; -* hardware interrupt vector */ 114 struct intrhand sc_swih; /* software interrupt vector */ 115 void (*sc_rintr)(void*); /* input completion intr handler */ 116 void *sc_rarg; /* arg for sc_rintr() */ 117 void (*sc_pintr)(void*); /* output completion intr handler */ 118 void *sc_parg; /* arg for sc_pintr() */ 119 120 /* sc_au is special in that the hardware interrupt handler uses it */ 121 struct auio sc_au; /* recv and xmit buffers, etc */ 122 #define sc_intrcnt sc_au.au_intrcnt /* statistics */ 123 }; 124 125 extern int am7930debug; 126 /* Write 16 bits of data from variable v to the data port of the audio chip */ 127 128 /* 129 * Sun-specific audio channel definitions. 130 */ 131 132 #define SUNAUDIO_MIC_PORT 0 133 #define SUNAUDIO_SPEAKER 1 134 #define SUNAUDIO_HEADPHONES 2 135 #define SUNAUDIO_MONITOR 3 136 #define SUNAUDIO_SOURCE 4 137 #define SUNAUDIO_OUTPUT 5 138 #define SUNAUDIO_INPUT_CLASS 6 139 #define SUNAUDIO_OUTPUT_CLASS 7 140 #define SUNAUDIO_RECORD_CLASS 8 141 #define SUNAUDIO_MONITOR_CLASS 9 142 143 144 /* declarations */ 145 void am7930_init __P((struct am7930_softc *)); 146 147 /* 148 * audio(9) MI callbacks from upper-level audio layer. 149 */ 150 struct audio_device; 151 struct audio_encoding; 152 struct audio_params; 153 154 int am7930_open __P((void *, int)); 155 void am7930_close __P((void *)); 156 int am7930_query_encoding __P((void *, struct audio_encoding *)); 157 int am7930_set_params __P((void *, int, int, struct audio_params *, struct audio_params *)); 158 int am7930_commit_settings __P((void *)); 159 int am7930_round_blocksize __P((void *, int)); 160 int am7930_halt_output __P((void *)); 161 int am7930_halt_input __P((void *)); 162 int am7930_getdev __P((void *, struct audio_device *)); 163 int am7930_get_props __P((void *)); 164 165 #endif /* !_LOCORE */ 166
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