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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*****************************************************************************
- AudioScience HPI driver
- Copyright (C) 1997-2011 AudioScience Inc. <[email protected]>
- Host Interface module for an ASI6205 based
- bus mastering PCI adapter.
- Copyright AudioScience, Inc., 2003
- ******************************************************************************/
- #ifndef _HPI6205_H_
- #define _HPI6205_H_
- #include "hpi_internal.h"
- /***********************************************************
- Defines used for basic messaging
- ************************************************************/
- #define H620_HIF_RESET 0
- #define H620_HIF_IDLE 1
- #define H620_HIF_GET_RESP 2
- #define H620_HIF_DATA_DONE 3
- #define H620_HIF_DATA_MASK 0x10
- #define H620_HIF_SEND_DATA 0x14
- #define H620_HIF_GET_DATA 0x15
- #define H620_HIF_UNKNOWN 0x0000ffff
- /***********************************************************
- Types used for mixer control caching
- ************************************************************/
- #define H620_MAX_ISTREAMS 32
- #define H620_MAX_OSTREAMS 32
- #define HPI_NMIXER_CONTROLS 2048
- /*********************************************************************
- This is used for dynamic control cache allocation
- **********************************************************************/
- struct controlcache_6205 {
- u32 number_of_controls;
- u32 physical_address32;
- u32 size_in_bytes;
- };
- /*********************************************************************
- This is used for dynamic allocation of async event array
- **********************************************************************/
- struct async_event_buffer_6205 {
- u32 physical_address32;
- u32 spare;
- struct hpi_fifo_buffer b;
- };
- /***********************************************************
- The Host located memory buffer that the 6205 will bus master
- in and out of.
- ************************************************************/
- #define HPI6205_SIZEOF_DATA (16*1024)
- struct message_buffer_6205 {
- struct hpi_message message;
- char data[256];
- };
- struct response_buffer_6205 {
- struct hpi_response response;
- char data[256];
- };
- union buffer_6205 {
- struct message_buffer_6205 message_buffer;
- struct response_buffer_6205 response_buffer;
- u8 b_data[HPI6205_SIZEOF_DATA];
- };
- struct bus_master_interface {
- u32 host_cmd;
- u32 dsp_ack;
- u32 transfer_size_in_bytes;
- union buffer_6205 u;
- struct controlcache_6205 control_cache;
- struct async_event_buffer_6205 async_buffer;
- struct hpi_hostbuffer_status
- instream_host_buffer_status[H620_MAX_ISTREAMS];
- struct hpi_hostbuffer_status
- outstream_host_buffer_status[H620_MAX_OSTREAMS];
- };
- #endif
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