From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/plat-omap/include/plat/vram.h | 62 ++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 arch/arm/plat-omap/include/plat/vram.h (limited to 'arch/arm/plat-omap/include/plat/vram.h') diff --git a/arch/arm/plat-omap/include/plat/vram.h b/arch/arm/plat-omap/include/plat/vram.h new file mode 100644 index 00000000..0aa4ecd1 --- /dev/null +++ b/arch/arm/plat-omap/include/plat/vram.h @@ -0,0 +1,62 @@ +/* + * VRAM manager for OMAP + * + * Copyright (C) 2009 Nokia Corporation + * Author: Tomi Valkeinen + * + * 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 + +#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_memblock(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_memblock(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 -- cgit v1.2.3