Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
vram.h
Go to the documentation of this file.
1 /*
2  * VRAM manager for OMAP
3  *
4  * Copyright (C) 2009 Nokia Corporation
5  * Author: Tomi Valkeinen <[email protected]>
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
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