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
8Public declarations for DSP Proramming Interface to TI C6701
9
10Shared 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 */
25struct 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