LXR linux/sound/pci/asihpi/hpi6000.h

   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
  19Public declarations for DSP Proramming Interface to TI C6701
  20
  21Shared 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 */
  36struct 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