71 lines
2.3 KiB
C
71 lines
2.3 KiB
C
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/*****************************************************************************
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AudioScience HPI driver
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Copyright (C) 1997-2011 AudioScience Inc. <support@audioscience.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of version 2 of the GNU General Public License as
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published by the Free Software Foundation;
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Public declarations for DSP Proramming Interface to TI C6701
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Shared between hpi6000.c and DSP code
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(C) Copyright AudioScience Inc. 1998-2003
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******************************************************************************/
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#ifndef _HPI6000_H_
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#define _HPI6000_H_
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#define HPI_NMIXER_CONTROLS 200
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/*
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* Control caching is always supported in the HPI code.
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* The DSP should make sure that dwControlCacheSizeInBytes is initialized to 0
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* during boot to make it in-active.
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*/
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struct hpi_hif_6000 {
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u32 host_cmd;
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u32 dsp_ack;
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u32 address;
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u32 length;
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u32 message_buffer_address;
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u32 response_buffer_address;
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u32 dsp_number;
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u32 adapter_info;
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u32 control_cache_is_dirty;
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u32 control_cache_address;
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u32 control_cache_size_in_bytes;
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u32 control_cache_count;
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};
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#define HPI_HIF_PACK_ADAPTER_INFO(adapter, version_major, version_minor) \
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((adapter << 16) | (version_major << 8) | version_minor)
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#define HPI_HIF_ADAPTER_INFO_EXTRACT_ADAPTER(adapterinfo) \
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((adapterinfo >> 16) & 0xffff)
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#define HPI_HIF_ADAPTER_INFO_EXTRACT_HWVERSION_MAJOR(adapterinfo) \
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((adapterinfo >> 8) & 0xff)
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#define HPI_HIF_ADAPTER_INFO_EXTRACT_HWVERSION_MINOR(adapterinfo) \
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(adapterinfo & 0xff)
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/* Command/status exchanged between host and DSP */
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#define HPI_HIF_IDLE 0
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#define HPI_HIF_SEND_MSG 1
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#define HPI_HIF_GET_RESP 2
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#define HPI_HIF_DATA_MASK 0x10
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#define HPI_HIF_SEND_DATA 0x13
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#define HPI_HIF_GET_DATA 0x14
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#define HPI_HIF_SEND_DONE 5
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#define HPI_HIF_RESET 9
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#endif /* _HPI6000_H_ */
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