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59 lines
1.7 KiB
59 lines
1.7 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/***************************************************************************** |
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AudioScience HPI driver |
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Copyright (C) 1997-2011 AudioScience Inc. <[email protected]> |
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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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