| /* |
| * VRAM manager for OMAP |
| * |
| * Copyright (C) 2009 Nokia Corporation |
| * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| */ |
| |
| #ifndef __OMAP_VRAM_H__ |
| #define __OMAP_VRAM_H__ |
| |
| #include <linux/types.h> |
| |
| #define OMAP_VRAM_MEMTYPE_SDRAM 0 |
| #define OMAP_VRAM_MEMTYPE_SRAM 1 |
| #define OMAP_VRAM_MEMTYPE_MAX 1 |
| |
| extern int omap_vram_add_region(unsigned long paddr, size_t size); |
| extern int omap_vram_free(unsigned long paddr, size_t size); |
| extern int omap_vram_alloc(int mtype, size_t size, unsigned long *paddr); |
| extern int omap_vram_reserve(unsigned long paddr, size_t size); |
| extern void omap_vram_get_info(unsigned long *vram, unsigned long *free_vram, |
| unsigned long *largest_free_block); |
| |
| #ifdef CONFIG_OMAP2_VRAM |
| extern void omap_vram_set_sdram_vram(u32 size, u32 start); |
| extern void omap_vram_set_sram_vram(u32 size, u32 start); |
| |
| extern void omap_vram_reserve_sdram(void); |
| extern unsigned long omap_vram_reserve_sram(unsigned long sram_pstart, |
| unsigned long sram_vstart, |
| unsigned long sram_size, |
| unsigned long pstart_avail, |
| unsigned long size_avail); |
| #else |
| static inline void omap_vram_set_sdram_vram(u32 size, u32 start) { } |
| static inline void omap_vram_set_sram_vram(u32 size, u32 start) { } |
| |
| static inline void omap_vram_reserve_sdram(void) { } |
| static inline unsigned long omap_vram_reserve_sram(unsigned long sram_pstart, |
| unsigned long sram_vstart, |
| unsigned long sram_size, |
| unsigned long pstart_avail, |
| unsigned long size_avail) |
| { |
| return 0; |
| } |
| #endif |
| |
| #endif |