Annotation of sys/arch/sparc64/dev/ce4231var.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: ce4231var.h,v 1.8 2006/06/02 20:00:56 miod 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: */
! 41: struct 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:
! 50: struct cs_volume {
! 51: u_int8_t left;
! 52: u_int8_t right;
! 53: };
! 54:
! 55: struct ce4231_softc {
! 56: struct device sc_dev; /* base device */
! 57: struct intrhand sc_ih; /* interrupt vectoring */
! 58: bus_dma_tag_t sc_dmatag;
! 59: bus_space_tag_t sc_bustag; /* CS4231/DMA register tag */
! 60: bus_space_handle_t sc_cshandle; /* CS4231 handle */
! 61: bus_space_handle_t sc_cdmahandle; /* capture DMA handle */
! 62: bus_space_handle_t sc_pdmahandle; /* playback DMA handle */
! 63: bus_space_handle_t sc_auxhandle; /* AUX handle */
! 64: int sc_open; /* already open? */
! 65: int sc_locked; /* locked? */
! 66:
! 67: void (*sc_rintr)(void *); /* input completion intr handler */
! 68: void *sc_rarg; /* arg for sc_rintr() */
! 69: void (*sc_pintr)(void *); /* output completion intr handler */
! 70: void *sc_parg; /* arg for sc_pintr() */
! 71:
! 72: char sc_mute[9]; /* which devs are muted */
! 73: u_int8_t sc_out_port; /* output port */
! 74: struct cs_volume sc_volume[9]; /* software volume */
! 75:
! 76: int sc_format_bits;
! 77: int sc_speed_bits;
! 78: int sc_precision;
! 79: int sc_need_commit;
! 80: int sc_channels;
! 81: u_int sc_last_format;
! 82: u_int32_t sc_blksz;
! 83: u_int32_t sc_playcnt;
! 84: u_int32_t sc_playsegsz;
! 85: u_int32_t sc_burst;
! 86: u_int32_t sc_lastaddr;
! 87: struct cs_dma *sc_dmas; /* dma list */
! 88: struct cs_dma *sc_nowplaying;
! 89: void *sc_pih, *sc_cih;
! 90: };
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