1 /*****************************************************************************
2
3 AudioScience HPI driver
4 Copyright (C) 1997-2011 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 Public declarations for DSP Proramming Interface to TI C6701
20
21 Shared between hpi6000.c and DSP code
22
23 (C) Copyright AudioScience Inc. 1998-2003
24 ******************************************************************************/
25
26 #ifndef _HPI6000_H_
27 #define _HPI6000_H_
28
29 #define HPI_NMIXER_CONTROLS 200
30
31 /*
32 * Control caching is always supported in the HPI code.
33 * The DSP should make sure that dwControlCacheSizeInBytes is initialized to 0
34 * during boot to make it in-active.
35 */
36 struct hpi_hif_6000 {
37 u32 host_cmd;
38 u32 dsp_ack;
39 u32 address;
40 u32 length;
41 u32 message_buffer_address;
42 u32 response_buffer_address;
43 u32 dsp_number;
44 u32 adapter_info;
45 u32 control_cache_is_dirty;
46 u32 control_cache_address;
47 u32 control_cache_size_in_bytes;
48 u32 control_cache_count;
49 };
50
51 #define HPI_HIF_PACK_ADAPTER_INFO(adapter, version_major, version_minor) \
52 ((adapter << 16) | (version_major << 8) | version_minor)
53 #define HPI_HIF_ADAPTER_INFO_EXTRACT_ADAPTER(adapterinfo) \
54 ((adapterinfo >> 16) & 0xffff)
55 #define HPI_HIF_ADAPTER_INFO_EXTRACT_HWVERSION_MAJOR(adapterinfo) \
56 ((adapterinfo >> 8) & 0xff)
57 #define HPI_HIF_ADAPTER_INFO_EXTRACT_HWVERSION_MINOR(adapterinfo) \
58 (adapterinfo & 0xff)
59
60 /* Command/status exchanged between host and DSP */
61 #define HPI_HIF_IDLE 0
62 #define HPI_HIF_SEND_MSG 1
63 #define HPI_HIF_GET_RESP 2
64 #define HPI_HIF_DATA_MASK 0x10
65 #define HPI_HIF_SEND_DATA 0x13
66 #define HPI_HIF_GET_DATA 0x14
67 #define HPI_HIF_SEND_DONE 5
68 #define HPI_HIF_RESET 9
69
70 #endif /* _HPI6000_H_ */
71
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