ce4231var.h revision 1.9
1/* $OpenBSD: ce4231var.h,v 1.9 2009/12/01 23:17:11 edd Exp $ */ 2 3/* 4 * Copyright (c) 1999 Jason L. Wright (jason@thought.net) 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 25 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Effort sponsored in part by the Defense Advanced Research Projects 29 * Agency (DARPA) and Air Force Research Laboratory, Air Force 30 * Materiel Command, USAF, under agreement number F30602-01-2-0537. 31 * 32 */ 33 34/* 35 * Driver for CS4231/EBDMA based audio found in some sun4u systems 36 */ 37 38/* 39 * List of device memory allocations (see ce4231_malloc/ce4231_free). 40 */ 41struct cs_dma { 42 struct cs_dma * next; 43 caddr_t addr; 44 bus_dmamap_t dmamap; 45 bus_dma_segment_t segs[1]; 46 int nsegs; 47 size_t size; 48}; 49 50struct cs_volume { 51 u_int8_t left; 52 u_int8_t right; 53}; 54 55/* number of levels on the card, these relate to CSPORT_* */ 56#define CS4231_LVLS 7 57 58struct ce4231_softc { 59 struct device sc_dev; /* base device */ 60 struct intrhand sc_ih; /* interrupt vectoring */ 61 bus_dma_tag_t sc_dmatag; 62 bus_space_tag_t sc_bustag; /* CS4231/DMA register tag */ 63 bus_space_handle_t sc_cshandle; /* CS4231 handle */ 64 bus_space_handle_t sc_cdmahandle; /* capture DMA handle */ 65 bus_space_handle_t sc_pdmahandle; /* playback DMA handle */ 66 bus_space_handle_t sc_auxhandle; /* AUX handle */ 67 int sc_open; /* already open? */ 68 int sc_locked; /* locked? */ 69 70 void (*sc_rintr)(void *); /* input completion intr handler */ 71 void *sc_rarg; /* arg for sc_rintr() */ 72 void (*sc_pintr)(void *); /* output completion intr handler */ 73 void *sc_parg; /* arg for sc_pintr() */ 74 75 char sc_mute[CS4231_LVLS]; /* which devs are muted */ 76 u_int8_t sc_monoout_enable; /* whether the mono dacout is on */ 77 u_int8_t sc_lineout_enable; /* whether the line dacout is on */ 78 u_int8_t sc_hdphout_enable; /* whether the cans dacout is on */ 79 u_int8_t sc_rec_src; /* recording src */ 80 struct cs_volume sc_volume[CS4231_LVLS]; /* software volume */ 81 82 int sc_format_bits; 83 int sc_speed_bits; 84 int sc_precision; 85 int sc_need_commit; 86 int sc_channels; 87 u_int sc_last_format; 88 u_int32_t sc_blksz; 89 u_int32_t sc_playcnt; 90 u_int32_t sc_playsegsz; 91 u_int32_t sc_burst; 92 u_int32_t sc_lastaddr; 93 struct cs_dma *sc_dmas; /* dma list */ 94 struct cs_dma *sc_nowplaying; 95 void *sc_pih, *sc_cih; 96}; 97