| /* 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_ */ |
