Commit | Line | Data |
---|---|---|
719f82d3 EB |
1 | /***************************************************************************** |
2 | ||
3 | AudioScience HPI driver | |
c6c2c9ab | 4 | Copyright (C) 1997-2011 AudioScience Inc. <support@audioscience.com> |
719f82d3 EB |
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 | ||
719f82d3 EB |
28 | #include "hpi_internal.h" |
29 | ||
30 | /*********************************************************** | |
31 | Defines used for basic messaging | |
32 | ************************************************************/ | |
33 | #define H620_HIF_RESET 0 | |
34 | #define H620_HIF_IDLE 1 | |
35 | #define H620_HIF_GET_RESP 2 | |
36 | #define H620_HIF_DATA_DONE 3 | |
37 | #define H620_HIF_DATA_MASK 0x10 | |
38 | #define H620_HIF_SEND_DATA 0x14 | |
39 | #define H620_HIF_GET_DATA 0x15 | |
40 | #define H620_HIF_UNKNOWN 0x0000ffff | |
41 | ||
42 | /*********************************************************** | |
43 | Types used for mixer control caching | |
44 | ************************************************************/ | |
45 | ||
46 | #define H620_MAX_ISTREAMS 32 | |
47 | #define H620_MAX_OSTREAMS 32 | |
48 | #define HPI_NMIXER_CONTROLS 2048 | |
49 | ||
50 | /********************************************************************* | |
51 | This is used for dynamic control cache allocation | |
52 | **********************************************************************/ | |
53 | struct controlcache_6205 { | |
54 | u32 number_of_controls; | |
55 | u32 physical_address32; | |
56 | u32 size_in_bytes; | |
57 | }; | |
58 | ||
59 | /********************************************************************* | |
60 | This is used for dynamic allocation of async event array | |
61 | **********************************************************************/ | |
62 | struct async_event_buffer_6205 { | |
63 | u32 physical_address32; | |
64 | u32 spare; | |
65 | struct hpi_fifo_buffer b; | |
66 | }; | |
67 | ||
68 | /*********************************************************** | |
69 | The Host located memory buffer that the 6205 will bus master | |
70 | in and out of. | |
71 | ************************************************************/ | |
72 | #define HPI6205_SIZEOF_DATA (16*1024) | |
c6c2c9ab EB |
73 | |
74 | struct message_buffer_6205 { | |
75 | struct hpi_message message; | |
76 | char data[256]; | |
77 | }; | |
78 | ||
79 | struct response_buffer_6205 { | |
80 | struct hpi_response response; | |
81 | char data[256]; | |
82 | }; | |
83 | ||
84 | union buffer_6205 { | |
85 | struct message_buffer_6205 message_buffer; | |
86 | struct response_buffer_6205 response_buffer; | |
87 | u8 b_data[HPI6205_SIZEOF_DATA]; | |
88 | }; | |
89 | ||
719f82d3 EB |
90 | struct bus_master_interface { |
91 | u32 host_cmd; | |
92 | u32 dsp_ack; | |
93 | u32 transfer_size_in_bytes; | |
c6c2c9ab | 94 | union buffer_6205 u; |
719f82d3 EB |
95 | struct controlcache_6205 control_cache; |
96 | struct async_event_buffer_6205 async_buffer; | |
97 | struct hpi_hostbuffer_status | |
98 | instream_host_buffer_status[H620_MAX_ISTREAMS]; | |
99 | struct hpi_hostbuffer_status | |
100 | outstream_host_buffer_status[H620_MAX_OSTREAMS]; | |
101 | }; | |
102 | ||
103 | #endif |