| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /***************************************************************************** |
| 3 | |
| 4 | AudioScience HPI driver |
| 5 | Copyright (C) 1997-2011 AudioScience Inc. <support@audioscience.com> |
| 6 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 7 | |
| 8 | Host Interface module for an ASI6205 based |
| 9 | bus mastering PCI adapter. |
| 10 | |
| 11 | Copyright AudioScience, Inc., 2003 |
| 12 | ******************************************************************************/ |
| 13 | |
| 14 | #ifndef _HPI6205_H_ |
| 15 | #define _HPI6205_H_ |
| 16 | |
| 17 | #include "hpi_internal.h" |
| 18 | |
| 19 | /*********************************************************** |
| 20 | Defines used for basic messaging |
| 21 | ************************************************************/ |
| 22 | #define H620_HIF_RESET 0 |
| 23 | #define H620_HIF_IDLE 1 |
| 24 | #define H620_HIF_GET_RESP 2 |
| 25 | #define H620_HIF_DATA_DONE 3 |
| 26 | #define H620_HIF_DATA_MASK 0x10 |
| 27 | #define H620_HIF_SEND_DATA 0x14 |
| 28 | #define H620_HIF_GET_DATA 0x15 |
| 29 | #define H620_HIF_UNKNOWN 0x0000ffff |
| 30 | |
| 31 | /*********************************************************** |
| 32 | Types used for mixer control caching |
| 33 | ************************************************************/ |
| 34 | |
| 35 | #define H620_MAX_ISTREAMS 32 |
| 36 | #define H620_MAX_OSTREAMS 32 |
| 37 | #define HPI_NMIXER_CONTROLS 2048 |
| 38 | |
| 39 | /********************************************************************* |
| 40 | This is used for dynamic control cache allocation |
| 41 | **********************************************************************/ |
| 42 | struct controlcache_6205 { |
| 43 | u32 number_of_controls; |
| 44 | u32 physical_address32; |
| 45 | u32 size_in_bytes; |
| 46 | }; |
| 47 | |
| 48 | /********************************************************************* |
| 49 | This is used for dynamic allocation of async event array |
| 50 | **********************************************************************/ |
| 51 | struct async_event_buffer_6205 { |
| 52 | u32 physical_address32; |
| 53 | u32 spare; |
| 54 | struct hpi_fifo_buffer b; |
| 55 | }; |
| 56 | |
| 57 | /*********************************************************** |
| 58 | The Host located memory buffer that the 6205 will bus master |
| 59 | in and out of. |
| 60 | ************************************************************/ |
| 61 | #define HPI6205_SIZEOF_DATA (16*1024) |
| 62 | |
| 63 | struct message_buffer_6205 { |
| 64 | struct hpi_message message; |
| 65 | char data[256]; |
| 66 | }; |
| 67 | |
| 68 | struct response_buffer_6205 { |
| 69 | struct hpi_response response; |
| 70 | char data[256]; |
| 71 | }; |
| 72 | |
| 73 | union buffer_6205 { |
| 74 | struct message_buffer_6205 message_buffer; |
| 75 | struct response_buffer_6205 response_buffer; |
| 76 | u8 b_data[HPI6205_SIZEOF_DATA]; |
| 77 | }; |
| 78 | |
| 79 | struct bus_master_interface { |
| 80 | u32 host_cmd; |
| 81 | u32 dsp_ack; |
| 82 | u32 transfer_size_in_bytes; |
| 83 | union buffer_6205 u; |
| 84 | struct controlcache_6205 control_cache; |
| 85 | struct async_event_buffer_6205 async_buffer; |
| 86 | struct hpi_hostbuffer_status |
| 87 | instream_host_buffer_status[H620_MAX_ISTREAMS]; |
| 88 | struct hpi_hostbuffer_status |
| 89 | outstream_host_buffer_status[H620_MAX_OSTREAMS]; |
| 90 | }; |
| 91 | |
| 92 | #endif |