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Diffstat (limited to 'sys/arch/sparc64/dev/ce4231var.h')
| -rw-r--r-- | sys/arch/sparc64/dev/ce4231var.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/sys/arch/sparc64/dev/ce4231var.h b/sys/arch/sparc64/dev/ce4231var.h new file mode 100644 index 00000000000..7bb2bf825e0 --- /dev/null +++ b/sys/arch/sparc64/dev/ce4231var.h @@ -0,0 +1,90 @@ +/* $OpenBSD: ce4231var.h,v 1.1 2001/10/01 18:10:32 jason Exp $ */ + +/* + * Copyright (c) 1999 Jason L. Wright (jason@thought.net) + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Jason L. Wright + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * Driver for CS4231/EBDMA based audio found in some sun4u systems + */ + +/* + * List of device memory allocations (see ce4231_malloc/ce4231_free). + */ +struct cs_dma { + struct cs_dma * next; + caddr_t addr; + bus_dmamap_t dmamap; + bus_dma_segment_t segs[1]; + int nsegs; + size_t size; +}; + +struct cs_volume { + u_int8_t left; + u_int8_t right; +}; + +struct ce4231_softc { + struct device sc_dev; /* base device */ + struct sbusdev sc_sd; /* sbus device */ + struct intrhand sc_ih; /* interrupt vectoring */ + bus_dma_tag_t sc_dmatag; + bus_space_tag_t sc_bustag; /* CS4231/DMA register tag */ + bus_space_handle_t sc_cshandle; /* CS4231 handle */ + bus_space_handle_t sc_cdmahandle; /* capture DMA handle */ + bus_space_handle_t sc_pdmahandle; /* playback DMA handle */ + bus_space_handle_t sc_auxhandle; /* AUX handle */ + struct evcnt sc_intrcnt; /* statistics */ + int sc_open; /* already open? */ + int sc_locked; /* locked? */ + + void (*sc_rintr)(void*); /* input completion intr handler */ + void * sc_rarg; /* arg for sc_rintr() */ + void (*sc_pintr)(void*); /* output completion intr handler */ + void * sc_parg; /* arg for sc_pintr() */ + + char sc_mute[9]; /* which devs are muted */ + u_int8_t sc_out_port; /* output port */ + struct cs_volume sc_volume[9]; /* software volume */ + + int sc_format_bits; + int sc_speed_bits; + int sc_precision; + int sc_need_commit; + int sc_channels; + u_int sc_last_format; + u_int32_t sc_blksz; + u_int32_t sc_playcnt; + u_int32_t sc_playsegsz; + u_int32_t sc_burst; + struct cs_dma *sc_dmas; /* dma list */ + struct cs_dma *sc_nowplaying; +}; |