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#define OMAP_VRAM_MEMTYPE_SDRAM 0 27#define OMAP_VRAM_MEMTYPE_SRAM 1 28#define OMAP_VRAM_MEMTYPE_MAX 1 29 30extern int omap_vram_add_region(unsigned long paddr, size_t size); 31extern int omap_vram_free(unsigned long paddr, size_t size); 32extern int omap_vram_alloc(int mtype, size_t size, unsigned long *paddr); 33extern int omap_vram_reserve(unsigned long paddr, size_t size); 34extern void omap_vram_get_info(unsigned long *vram, unsigned long *free_vram, 35 unsigned long *largest_free_block); 36 37#ifdef CONFIG_OMAP2_VRAM 38extern void omap_vram_set_sdram_vram(u32 size, u32 start); 39extern void omap_vram_set_sram_vram(u32 size, u32 start); 40 41extern void omap_vram_reserve_sdram_memblock(void); 42extern unsigned long omap_vram_reserve_sram(unsigned long sram_pstart, 43 unsigned long sram_vstart, 44 unsigned long sram_size, 45 unsigned long pstart_avail, 46 unsigned long size_avail); 47#else 48static inline void omap_vram_set_sdram_vram(u32 size, u32 start) { } 49static inline void omap_vram_set_sram_vram(u32 size, u32 start) { } 50 51static inline void omap_vram_reserve_sdram_memblock(void) { } 52static inline unsigned long omap_vram_reserve_sram(unsigned long sram_pstart, 53 unsigned long sram_vstart, 54 unsigned long sram_size, 55 unsigned long pstart_avail, 56 unsigned long size_avail) 57{ 58 return 0; 59} 60#endif 61 62#endif 63