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hpi6000.h

/*****************************************************************************

    AudioScience HPI driver
    Copyright (C) 1997-2003  AudioScience Inc. <support@audioscience.com>

    This program is free software; you can redistribute it and/or modify
    it under the terms of version 2 of the GNU General Public License as
    published by the Free Software Foundation;

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

Public declarations for DSP Proramming Interface to TI C6701

Shared between hpi6000.c and DSP code

(C) Copyright AudioScience Inc. 1998-2003
******************************************************************************/

#ifndef _HPI6000_H_
#define _HPI6000_H_

#define HPI_NMIXER_CONTROLS 200

/*
 * Control caching is always supported in the HPI code.
 * The DSP should make sure that dwControlCacheSizeInBytes is initialized to 0
 * during boot to make it in-active.
 */
struct hpi_hif_6000 {
      u32 dwHostCmd;
      u32 dwDspAck;
      u32 dwAddress;
      u32 dwLength;
      u32 dwMessageBufferAddress;
      u32 dwResponseBufferAddress;
      u32 dwDspNumber;
      u32 dwAdapterInfo;
      u32 dwControlCacheIsDirty;
      u32 dwControlCacheAddress;
      u32 dwControlCacheSizeInBytes;
};

#define HPI_HIF_PACK_ADAPTER_INFO(adapter, versionMajor, versionMinor) \
            ((adapter << 16) | (versionMajor << 8) | versionMinor)
#define HPI_HIF_ADAPTER_INFO_EXTRACT_ADAPTER(adapterinfo) \
            ((adapterinfo >> 16) & 0xffff)
#define HPI_HIF_ADAPTER_INFO_EXTRACT_HWVERSION_MAJOR(adapterinfo) \
            ((adapterinfo >> 8) & 0xff)
#define HPI_HIF_ADAPTER_INFO_EXTRACT_HWVERSION_MINOR(adapterinfo) \
            (adapterinfo & 0xff)

/* Command/status exchanged between host and DSP */
#define HPI_HIF_IDLE          0
#define HPI_HIF_SEND_MSG      1
#define HPI_HIF_GET_RESP      2
#define HPI_HIF_DATA_MASK     0x10
#define HPI_HIF_SEND_DATA     0x13
#define HPI_HIF_GET_DATA      0x14
#define HPI_HIF_SEND_DONE     5
#define HPI_HIF_RESET         9

#endif                        /* _HPI6000_H_ */

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