diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-10 21:55:17 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-10 21:55:17 -0800 |
commit | aa2cf420593b67cc93de7a3f675b2a88eba0505f (patch) | |
tree | dfb3c73a8a3987c3b3ba08083f379ebc90942e03 /arch/arm/plat-omap/include/plat/vram.h | |
parent | d71cb81af3817193bc605de061da0499934263a6 (diff) | |
parent | 178ff4c9175db447f93b7343954b1d44707c881b (diff) |
Merge branch 'for-linus' of git://gitorious.org/linux-omap-dss2/linux
* 'for-linus' of git://gitorious.org/linux-omap-dss2/linux:
MAINTAINERS: Add OMAP2/3 DSS and OMAPFB maintainer
OMAP: SDP: Enable DSS2 for OMAP3 SDP board
OMAP: DSS2: Taal DSI command mode panel driver
OMAP: DSS2: Add generic and Sharp panel drivers
OMAP: DSS2: omapfb driver
OMAP: DSS2: DSI driver
OMAP: DSS2: SDI driver
OMAP: DSS2: RFBI driver
OMAP: DSS2: Video encoder driver
OMAP: DSS2: DPI driver
OMAP: DSS2: DISPC
OMAP: DSS2: Add more core files
OMAP: DSS2: Display Subsystem Driver core
OMAP: DSS2: Documentation for DSS2
OMAP: Add support for VRFB rotation engine
OMAP: Add VRAM manager
OMAP: OMAPFB: add omapdss device
OMAP: OMAPFB: split omapfb.h
OMAP2: Add funcs for writing SMS_ROT_* registers
Diffstat (limited to 'arch/arm/plat-omap/include/plat/vram.h')
-rw-r--r-- | arch/arm/plat-omap/include/plat/vram.h | 62 |
1 files changed, 62 insertions, 0 deletions
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 00000000000..edd4987758a --- /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 <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 |