| /***************************************************************************** |
| |
| AudioScience HPI driver |
| Copyright (C) 1997-2011 AudioScience Inc. <support@audioscience.com> |
| |
| 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 |
| |
| 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 |