hpi6000.h
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/*****************************************************************************
AudioScience HPI driver
Copyright (C) 1997-2011 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 host_cmd;
u32 dsp_ack;
u32 address;
u32 length;
u32 message_buffer_address;
u32 response_buffer_address;
u32 dsp_number;
u32 adapter_info;
u32 control_cache_is_dirty;
u32 control_cache_address;
u32 control_cache_size_in_bytes;
u32 control_cache_count;
};
#define HPI_HIF_PACK_ADAPTER_INFO(adapter, version_major, version_minor) \
((adapter << 16) | (version_major << 8) | version_minor)
#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_ */