1/***************************************************************************** 2 3 AudioScience HPI driver 4 Copyright (C) 1997-2010 AudioScience Inc. <support@audioscience.com> 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of version 2 of the GNU General Public License as 8 published by the Free Software Foundation; 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program; if not, write to the Free Software 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 19Host Interface module for an ASI6205 based 20bus mastering PCI adapter. 21 22Copyright AudioScience, Inc., 2003 23******************************************************************************/ 24 25#ifndef _HPI6205_H_ 26#define _HPI6205_H_ 27 28/* transitional conditional compile shared between host and DSP */ 29/* #define HPI6205_NO_HSR_POLL */ 30 31#include "hpi_internal.h" 32 33/*********************************************************** 34 Defines used for basic messaging 35************************************************************/ 36#define H620_HIF_RESET 0 37#define H620_HIF_IDLE 1 38#define H620_HIF_GET_RESP 2 39#define H620_HIF_DATA_DONE 3 40#define H620_HIF_DATA_MASK 0x10 41#define H620_HIF_SEND_DATA 0x14 42#define H620_HIF_GET_DATA 0x15 43#define H620_HIF_UNKNOWN 0x0000ffff 44 45/*********************************************************** 46 Types used for mixer control caching 47************************************************************/ 48 49#define H620_MAX_ISTREAMS 32 50#define H620_MAX_OSTREAMS 32 51#define HPI_NMIXER_CONTROLS 2048 52 53/********************************************************************* 54This is used for dynamic control cache allocation 55**********************************************************************/ 56struct controlcache_6205 { 57 u32 number_of_controls; 58 u32 physical_address32; 59 u32 size_in_bytes; 60}; 61 62/********************************************************************* 63This is used for dynamic allocation of async event array 64**********************************************************************/ 65struct async_event_buffer_6205 { 66 u32 physical_address32; 67 u32 spare; 68 struct hpi_fifo_buffer b; 69}; 70 71/*********************************************************** 72The Host located memory buffer that the 6205 will bus master 73in and out of. 74************************************************************/ 75#define HPI6205_SIZEOF_DATA (16*1024) 76struct bus_master_interface { 77 u32 host_cmd; 78 u32 dsp_ack; 79 u32 transfer_size_in_bytes; 80 union { 81 struct hpi_message message_buffer; 82 struct hpi_response response_buffer; 83 u8 b_data[HPI6205_SIZEOF_DATA]; 84 } u; 85 struct controlcache_6205 control_cache; 86 struct async_event_buffer_6205 async_buffer; 87 struct hpi_hostbuffer_status 88 instream_host_buffer_status[H620_MAX_ISTREAMS]; 89 struct hpi_hostbuffer_status 90 outstream_host_buffer_status[H620_MAX_OSTREAMS]; 91}; 92 93#endif 94