/* $NetBSD: haltwovar.h,v 1.8 2011/11/23 23:07:30 jmcneill Exp $ */

/*
* Copyright (c) 2003 Ilpo Ruotsalainen
* 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. 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.
*
* <<Id: LICENSE_GC,v 1.1 2001/10/01 23:24:05 cgd Exp>>
*/

#ifndef _ARCH_SGIMIPS_HPC_HALTWOVAR_H_
#define _ARCH_SGIMIPS_HPC_HALTWOVAR_H_

/* XXX Quite arbitrary? XXX */
#define HALTWO_MAX_DMASEGS      16

/* Mixer indices */
#define HALTWO_MASTER_VOL       0
#define HALTWO_OUTPUT_CLASS     1

struct haltwo_dmabuf {
       bus_dmamap_t dma_map;
       bus_dma_segment_t dma_segs[HALTWO_MAX_DMASEGS];
       int dma_segcount;
       size_t size;
       void *kern_addr;

       struct haltwo_dmabuf *next;
};

struct haltwo_codec {
       bus_dmamap_t dma_map;
       bus_dma_segment_t dma_seg;

       struct hpc_dma_desc *dma_descs;

       void (*intr)(void *);
       void *intr_arg;
};

struct haltwo_softc {
       device_t sc_dev;
       kmutex_t sc_lock;
       kmutex_t sc_intr_lock;

       bus_space_tag_t sc_st;

       bus_space_handle_t sc_dma_sh;

       bus_dma_tag_t sc_dma_tag;

       struct haltwo_dmabuf *sc_dma_bufs;

       struct haltwo_codec sc_dac;
#if 0
       struct haltwo_codec sc_adc;
#endif
       uint8_t sc_vol_left;
       uint8_t sc_vol_right;

       bus_space_handle_t sc_ctl_sh;
       bus_space_handle_t sc_aes_sh;
       bus_space_handle_t sc_vol_sh;
       bus_space_handle_t sc_syn_sh;
};

#endif