release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/staging/tidspbridge/include/dspbridge/strmdefs.h

   1 /*
   2  * strmdefs.h
   3  *
   4  * DSP-BIOS Bridge driver support functions for TI OMAP processors.
   5  *
   6  * Global STRM constants and types.
   7  *
   8  * Copyright (C) 2005-2006 Texas Instruments, Inc.
   9  *
  10  * This package is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  *
  14  * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  15  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  16  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  17  */
  18
  19 #ifndef STRMDEFS_
  20 #define STRMDEFS_
  21
  22 #define STRM_MAXEVTNAMELEN      32
  23
  24 struct strm_mgr;
  25
  26 struct strm_object;
  27
  28 struct strm_attr {
  29         void *user_event;
  30         char *pstr_event_name;
  31         void *virt_base;        /* Process virtual base address of
  32                                  * mapped SM */
  33         u32 ul_virt_size;       /* Size of virtual space in bytes */
  34         struct dsp_streamattrin *stream_attr_in;
  35 };
  36
  37 struct stream_info {
  38         enum dsp_strmmode strm_mode;    /* transport mode of
  39                                          * stream(DMA, ZEROCOPY..) */
  40         u32 segment_id;         /* Segment strm allocs from. 0 is local mem */
  41         void *virt_base;        /* "      " Stream'process virt base */
  42         struct dsp_streaminfo *user_strm;       /* User's stream information
  43                                                  * returned */
  44 };
  45
  46 #endif /* STRMDEFS_ */