sys/arch/sgimips/hpc/haltwovar.h

   1 /* $NetBSD: haltwovar.h,v 1.5 2008/08/24 13:03:39 tsutsui Exp $ */
   2
   3 /*
   4  * Copyright (c) 2003 Ilpo Ruotsalainen
   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  * 3. The name of the author may not be used to endorse or promote products
  16  *    derived from this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  *
  29  * <<Id: LICENSE_GC,v 1.1 2001/10/01 23:24:05 cgd Exp>>
  30  */
  31
  32 #ifndef _ARCH_SGIMIPS_HPC_HALTWOVAR_H_
  33 #define _ARCH_SGIMIPS_HPC_HALTWOVAR_H_
  34
  35 /* XXX Quite arbitrary? XXX */
  36 #define HALTWO_MAX_DMASEGS      16
  37
  38 /* Mixer indices */
  39 #define HALTWO_MASTER_VOL       0
  40 #define HALTWO_OUTPUT_CLASS     1
  41
  42 struct haltwo_dmabuf {
  43         bus_dmamap_t dma_map;
  44         bus_dma_segment_t dma_segs[HALTWO_MAX_DMASEGS];
  45         int dma_segcount;
  46         size_t size;
  47         void *kern_addr;
  48
  49         struct haltwo_dmabuf *next;
  50 };
  51
  52 struct haltwo_codec {
  53         bus_dmamap_t dma_map;
  54         bus_dma_segment_t dma_seg;
  55
  56         struct hpc_dma_desc *dma_descs;
  57
  58         void (*intr)(void *);
  59         void *intr_arg;
  60 };
  61
  62 struct haltwo_softc {
  63         struct device sc_dev;
  64
  65         bus_space_tag_t sc_st;
  66
  67         bus_space_handle_t sc_dma_sh;
  68
  69         bus_dma_tag_t sc_dma_tag;
  70
  71         struct haltwo_dmabuf *sc_dma_bufs;
  72
  73         struct haltwo_codec sc_dac;
  74 #if 0
  75         struct haltwo_codec sc_adc;
  76 #endif
  77         uint8_t sc_vol_left;
  78         uint8_t sc_vol_right;
  79
  80         bus_space_handle_t sc_ctl_sh;
  81         bus_space_handle_t sc_aes_sh;
  82         bus_space_handle_t sc_vol_sh;
  83         bus_space_handle_t sc_syn_sh;
  84 };
  85
  86 #endif