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TOMOYO Linux Cross Reference
Linux/sound/pci/asihpi/hpi6000.h

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  1 /* SPDX-License-Identifier: GPL-2.0-only */
  2 /*****************************************************************************
  3 
  4     AudioScience HPI driver
  5     Copyright (C) 1997-2011  AudioScience Inc. <support@audioscience.com>
  6 
  7 
  8 Public declarations for DSP Proramming Interface to TI C6701
  9 
 10 Shared between hpi6000.c and DSP code
 11 
 12 (C) Copyright AudioScience Inc. 1998-2003
 13 ******************************************************************************/
 14 
 15 #ifndef _HPI6000_H_
 16 #define _HPI6000_H_
 17 
 18 #define HPI_NMIXER_CONTROLS 200
 19 
 20 /*
 21  * Control caching is always supported in the HPI code.
 22  * The DSP should make sure that dwControlCacheSizeInBytes is initialized to 0
 23  * during boot to make it in-active.
 24  */
 25 struct hpi_hif_6000 {
 26         u32 host_cmd;
 27         u32 dsp_ack;
 28         u32 address;
 29         u32 length;
 30         u32 message_buffer_address;
 31         u32 response_buffer_address;
 32         u32 dsp_number;
 33         u32 adapter_info;
 34         u32 control_cache_is_dirty;
 35         u32 control_cache_address;
 36         u32 control_cache_size_in_bytes;
 37         u32 control_cache_count;
 38 };
 39 
 40 #define HPI_HIF_PACK_ADAPTER_INFO(adapter, version_major, version_minor) \
 41                 ((adapter << 16) | (version_major << 8) | version_minor)
 42 #define HPI_HIF_ADAPTER_INFO_EXTRACT_ADAPTER(adapterinfo) \
 43                 ((adapterinfo >> 16) & 0xffff)
 44 #define HPI_HIF_ADAPTER_INFO_EXTRACT_HWVERSION_MAJOR(adapterinfo) \
 45                 ((adapterinfo >> 8) & 0xff)
 46 #define HPI_HIF_ADAPTER_INFO_EXTRACT_HWVERSION_MINOR(adapterinfo) \
 47                 (adapterinfo & 0xff)
 48 
 49 /* Command/status exchanged between host and DSP */
 50 #define HPI_HIF_IDLE            0
 51 #define HPI_HIF_SEND_MSG        1
 52 #define HPI_HIF_GET_RESP        2
 53 #define HPI_HIF_DATA_MASK       0x10
 54 #define HPI_HIF_SEND_DATA       0x13
 55 #define HPI_HIF_GET_DATA        0x14
 56 #define HPI_HIF_SEND_DONE       5
 57 #define HPI_HIF_RESET           9
 58 
 59 #endif                          /* _HPI6000_H_ */
 60 

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