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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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63 lines
2.2 KiB
C
63 lines
2.2 KiB
C
/*
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* VRAM manager for OMAP
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*
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* Copyright (C) 2009 Nokia Corporation
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* Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __OMAP_VRAM_H__
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#define __OMAP_VRAM_H__
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#include <linux/types.h>
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#define OMAP_VRAM_MEMTYPE_SDRAM 0
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#define OMAP_VRAM_MEMTYPE_SRAM 1
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#define OMAP_VRAM_MEMTYPE_MAX 1
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extern int omap_vram_add_region(unsigned long paddr, size_t size);
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extern int omap_vram_free(unsigned long paddr, size_t size);
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extern int omap_vram_alloc(int mtype, size_t size, unsigned long *paddr);
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extern int omap_vram_reserve(unsigned long paddr, size_t size);
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extern void omap_vram_get_info(unsigned long *vram, unsigned long *free_vram,
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unsigned long *largest_free_block);
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#ifdef CONFIG_OMAP2_VRAM
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extern void omap_vram_set_sdram_vram(u32 size, u32 start);
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extern void omap_vram_set_sram_vram(u32 size, u32 start);
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extern void omap_vram_reserve_sdram_memblock(void);
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extern unsigned long omap_vram_reserve_sram(unsigned long sram_pstart,
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unsigned long sram_vstart,
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unsigned long sram_size,
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unsigned long pstart_avail,
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unsigned long size_avail);
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#else
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static inline void omap_vram_set_sdram_vram(u32 size, u32 start) { }
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static inline void omap_vram_set_sram_vram(u32 size, u32 start) { }
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static inline void omap_vram_reserve_sdram_memblock(void) { }
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static inline unsigned long omap_vram_reserve_sram(unsigned long sram_pstart,
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unsigned long sram_vstart,
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unsigned long sram_size,
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unsigned long pstart_avail,
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unsigned long size_avail)
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{
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return 0;
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}
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#endif
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#endif
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