| Tomi Valkeinen | afedec1 | 2009-08-07 12:01:55 +0300 | [diff] [blame] | 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 | |
| 30 | extern int omap_vram_add_region(unsigned long paddr, size_t size); |
| 31 | extern int omap_vram_free(unsigned long paddr, size_t size); |
| 32 | extern int omap_vram_alloc(int mtype, size_t size, unsigned long *paddr); |
| 33 | extern int omap_vram_reserve(unsigned long paddr, size_t size); |
| 34 | extern void omap_vram_get_info(unsigned long *vram, unsigned long *free_vram, |
| 35 | unsigned long *largest_free_block); |
| 36 | |
| 37 | #ifdef CONFIG_OMAP2_VRAM |
| 38 | extern void omap_vram_set_sdram_vram(u32 size, u32 start); |
| 39 | extern void omap_vram_set_sram_vram(u32 size, u32 start); |
| 40 | |
| 41 | extern void omap_vram_reserve_sdram(void); |
| 42 | extern 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 |
| 48 | static inline void omap_vram_set_sdram_vram(u32 size, u32 start) { } |
| 49 | static inline void omap_vram_set_sram_vram(u32 size, u32 start) { } |
| 50 | |
| 51 | static inline void omap_vram_reserve_sdram(void) { } |
| 52 | static 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 |