1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*****************************************************************************
3
4 AudioScience HPI driver
5 Copyright (C) 1997-2011 AudioScience Inc. <support@audioscience.com>
6
7
8 Public declarations for DSP Proramming Interface to TI C6701
9
10 Shared between hpi6000.c and DSP code
11
12 (C) Copyright AudioScience Inc. 1998-2003
13 ******************************************************************************/
14
15 #ifndef _HPI6000_H_
16 #define _HPI6000_H_
17
18 #define HPI_NMIXER_CONTROLS 200
19
20 /*
21 * Control caching is always supported in the HPI code.
22 * The DSP should make sure that dwControlCacheSizeInBytes is initialized to 0
23 * during boot to make it in-active.
24 */
25 struct hpi_hif_6000 {
26 u32 host_cmd;
27 u32 dsp_ack;
28 u32 address;
29 u32 length;
30 u32 message_buffer_address;
31 u32 response_buffer_address;
32 u32 dsp_number;
33 u32 adapter_info;
34 u32 control_cache_is_dirty;
35 u32 control_cache_address;
36 u32 control_cache_size_in_bytes;
37 u32 control_cache_count;
38 };
39
40 #define HPI_HIF_PACK_ADAPTER_INFO(adapter, version_major, version_minor) \
41 ((adapter << 16) | (version_major << 8) | version_minor)
42 #define HPI_HIF_ADAPTER_INFO_EXTRACT_ADAPTER(adapterinfo) \
43 ((adapterinfo >> 16) & 0xffff)
44 #define HPI_HIF_ADAPTER_INFO_EXTRACT_HWVERSION_MAJOR(adapterinfo) \
45 ((adapterinfo >> 8) & 0xff)
46 #define HPI_HIF_ADAPTER_INFO_EXTRACT_HWVERSION_MINOR(adapterinfo) \
47 (adapterinfo & 0xff)
48
49 /* Command/status exchanged between host and DSP */
50 #define HPI_HIF_IDLE 0
51 #define HPI_HIF_SEND_MSG 1
52 #define HPI_HIF_GET_RESP 2
53 #define HPI_HIF_DATA_MASK 0x10
54 #define HPI_HIF_SEND_DATA 0x13
55 #define HPI_HIF_GET_DATA 0x14
56 #define HPI_HIF_SEND_DONE 5
57 #define HPI_HIF_RESET 9
58
59 #endif /* _HPI6000_H_ */
60
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