drivers/staging/dt3155/allocator.h

   1 /*
   2  * allocator.h -- prototypes for allocating high memory
   3  *
   4  * NOTE: this is different from my previous allocator, the one that
   5  *       assembles pages, which revealed itself both slow and unreliable.
   6  *
   7  * Copyright (C) 1998   rubini@linux.it (Alessandro Rubini)
   8  *
   9  *   This program is free software; you can redistribute it and/or modify
  10  *   it under the terms of the GNU General Public License as published by
  11  *   the Free Software Foundation; either version 2 of the License, or
  12  *   (at your option) any later version.
  13  *
  14  *   This program is distributed in the hope that it will be useful,
  15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *   GNU General Public License for more details.
  18  *
  19  *   You should have received a copy of the GNU General Public License
  20  *   along with this program; if not, write to the Free Software
  21  *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22  *
  23  */
  24
  25 int allocator_free_dma(unsigned long address);
  26 unsigned long allocator_allocate_dma(unsigned long kilobytes, gfp_t flags);
  27 int allocator_init(u32 *);
  28 void allocator_cleanup(void);