| Eliot Blennerhassett | 719f82d | 2010-04-21 18:17:39 +0200 | [diff] [blame] | 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 | |
| 19 | Host Interface module for an ASI6205 based |
| 20 | bus mastering PCI adapter. |
| 21 | |
| 22 | Copyright 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 | /********************************************************************* |
| 54 | This is used for dynamic control cache allocation |
| 55 | **********************************************************************/ |
| 56 | struct controlcache_6205 { |
| 57 | u32 number_of_controls; |
| 58 | u32 physical_address32; |
| 59 | u32 size_in_bytes; |
| 60 | }; |
| 61 | |
| 62 | /********************************************************************* |
| 63 | This is used for dynamic allocation of async event array |
| 64 | **********************************************************************/ |
| 65 | struct async_event_buffer_6205 { |
| 66 | u32 physical_address32; |
| 67 | u32 spare; |
| 68 | struct hpi_fifo_buffer b; |
| 69 | }; |
| 70 | |
| 71 | /*********************************************************** |
| 72 | The Host located memory buffer that the 6205 will bus master |
| 73 | in and out of. |
| 74 | ************************************************************/ |
| 75 | #define HPI6205_SIZEOF_DATA (16*1024) |
| 76 | struct 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 |