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Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 24 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141334.606756275@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*****************************************************************************
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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
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bus mastering PCI adapter.
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Copyright AudioScience, Inc., 2003
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******************************************************************************/
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#ifndef _HPI6205_H_
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#define _HPI6205_H_
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#include "hpi_internal.h"
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/***********************************************************
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Defines used for basic messaging
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************************************************************/
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#define H620_HIF_RESET 0
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#define H620_HIF_IDLE 1
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#define H620_HIF_GET_RESP 2
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#define H620_HIF_DATA_DONE 3
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#define H620_HIF_DATA_MASK 0x10
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#define H620_HIF_SEND_DATA 0x14
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#define H620_HIF_GET_DATA 0x15
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#define H620_HIF_UNKNOWN 0x0000ffff
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/***********************************************************
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Types used for mixer control caching
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************************************************************/
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#define H620_MAX_ISTREAMS 32
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#define H620_MAX_OSTREAMS 32
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#define HPI_NMIXER_CONTROLS 2048
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/*********************************************************************
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This is used for dynamic control cache allocation
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**********************************************************************/
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struct controlcache_6205 {
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u32 number_of_controls;
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u32 physical_address32;
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u32 size_in_bytes;
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};
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/*********************************************************************
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This is used for dynamic allocation of async event array
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**********************************************************************/
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struct async_event_buffer_6205 {
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u32 physical_address32;
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u32 spare;
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struct hpi_fifo_buffer b;
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};
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/***********************************************************
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The Host located memory buffer that the 6205 will bus master
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in and out of.
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************************************************************/
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#define HPI6205_SIZEOF_DATA (16*1024)
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struct message_buffer_6205 {
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struct hpi_message message;
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char data[256];
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};
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struct response_buffer_6205 {
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struct hpi_response response;
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char data[256];
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};
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union buffer_6205 {
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struct message_buffer_6205 message_buffer;
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struct response_buffer_6205 response_buffer;
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u8 b_data[HPI6205_SIZEOF_DATA];
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};
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struct bus_master_interface {
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u32 host_cmd;
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u32 dsp_ack;
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u32 transfer_size_in_bytes;
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union buffer_6205 u;
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struct controlcache_6205 control_cache;
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struct async_event_buffer_6205 async_buffer;
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struct hpi_hostbuffer_status
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instream_host_buffer_status[H620_MAX_ISTREAMS];
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struct hpi_hostbuffer_status
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outstream_host_buffer_status[H620_MAX_OSTREAMS];
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};
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#endif
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