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/* SPDX-License-Identifier: GPL-2.0-only */
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/*****************************************************************************
AudioScience HPI driver
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Copyright ( C ) 1997 - 2011 AudioScience Inc . < support @ audioscience . com >
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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)
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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 ] ;
} ;
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struct bus_master_interface {
u32 host_cmd ;
u32 dsp_ack ;
u32 transfer_size_in_bytes ;
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union buffer_6205 u ;
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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
