xref: /openbmc/linux/sound/pci/asihpi/hpi6000.h (revision 07d7fe7b)
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