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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_ */
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