arch/arm/plat-omap/include/plat/vram.h

   1 /*
   2  * VRAM manager for OMAP
   3  *
   4  * Copyright (C) 2009 Nokia Corporation
   5  * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19  */
  20
  21 #ifndef __OMAP_VRAM_H__
  22 #define __OMAP_VRAM_H__
  23
  24 #include <linux/types.h>
  25
  26 extern int omap_vram_add_region(unsigned long paddr, size_t size);
  27 extern int omap_vram_free(unsigned long paddr, size_t size);
  28 extern int omap_vram_alloc(size_t size, unsigned long *paddr);
  29 extern int omap_vram_reserve(unsigned long paddr, size_t size);
  30 extern void omap_vram_get_info(unsigned long *vram, unsigned long *free_vram,
  31                 unsigned long *largest_free_block);
  32
  33 #ifdef CONFIG_OMAP2_VRAM
  34 extern void omap_vram_set_sdram_vram(u32 size, u32 start);
  35
  36 extern void omap_vram_reserve_sdram_memblock(void);
  37 #else
  38 static inline void omap_vram_set_sdram_vram(u32 size, u32 start) { }
  39
  40 static inline void omap_vram_reserve_sdram_memblock(void) { }
  41 #endif
  42
  43 #endif