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Annotation of sys/arch/sparc64/dev/ce4231var.h, Revision 1.1.1.1

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: };