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/* SPDX-License-Identifier: GPL-2.0-only */ /***************************************************************************** AudioScience HPI driver Copyright (C) 1997-2011 AudioScience Inc. <support@audioscience.com> 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_ */ |