sound/pci/asihpi/hpi6000.h

   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_ */