git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 6280238c ORL |
1 | /* |
| 2 | * dmm.h | |
| 3 | * | |
| 4 | * DSP-BIOS Bridge driver support functions for TI OMAP processors. | |
| 5 | * | |
| 6 | * The Dynamic Memory Mapping(DMM) module manages the DSP Virtual address | |
| 7 | * space that can be directly mapped to any MPU buffer or memory region. | |
| 8 | * | |
| 9 | * Copyright (C) 2005-2006 Texas Instruments, Inc. | |
| 10 | * | |
| 11 | * This package is free software; you can redistribute it and/or modify | |
| 12 | * it under the terms of the GNU General Public License version 2 as | |
| 13 | * published by the Free Software Foundation. | |
| 14 | * | |
| 15 | * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
| 16 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
| 17 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
| 18 | */ | |
| 19 | ||
| 20 | #ifndef DMM_ | |
| 21 | #define DMM_ | |
| 22 | ||
| 23 | #include <dspbridge/dbdefs.h> | |
| 24 | ||
| 25 | struct dmm_object; | |
| 26 | ||
| 27 | /* DMM attributes used in dmm_create() */ | |
| 28 | struct dmm_mgrattrs { | |
| 29 | u32 reserved; | |
| 30 | }; | |
| 31 | ||
| 32 | #define DMMPOOLSIZE 0x4000000 | |
| 33 | ||
| 34 | /* | |
| 35 | * ======== dmm_get_handle ======== | |
| 36 | * Purpose: | |
| 37 | * Return the dynamic memory manager object for this device. | |
| 38 | * This is typically called from the client process. | |
| 39 | */ | |
| 40 | ||
| 41 | extern int dmm_get_handle(void *hprocessor, | |
| e6bf74f0 | 42 | struct dmm_object **dmm_manager); |
| 6280238c ORL |
43 | |
| 44 | extern int dmm_reserve_memory(struct dmm_object *dmm_mgr, | |
| 45 | u32 size, u32 *prsv_addr); | |
| 46 | ||
| 47 | extern int dmm_un_reserve_memory(struct dmm_object *dmm_mgr, | |
| 48 | u32 rsv_addr); | |
| 49 | ||
| 50 | extern int dmm_map_memory(struct dmm_object *dmm_mgr, u32 addr, | |
| 51 | u32 size); | |
| 52 | ||
| 53 | extern int dmm_un_map_memory(struct dmm_object *dmm_mgr, | |
| 54 | u32 addr, u32 *psize); | |
| 55 | ||
| 56 | extern int dmm_destroy(struct dmm_object *dmm_mgr); | |
| 57 | ||
| 58 | extern int dmm_delete_tables(struct dmm_object *dmm_mgr); | |
| 59 | ||
| e6bf74f0 | 60 | extern int dmm_create(struct dmm_object **dmm_manager, |
| 6280238c | 61 | struct dev_object *hdev_obj, |
| 9d7d0a52 | 62 | const struct dmm_mgrattrs *mgr_attrts); |
| 6280238c ORL |
63 | |
| 64 | extern bool dmm_init(void); | |
| 65 | ||
| 66 | extern void dmm_exit(void); | |
| 67 | ||
| 68 | extern int dmm_create_tables(struct dmm_object *dmm_mgr, | |
| 69 | u32 addr, u32 size); | |
| 70 | ||
| 71 | #ifdef DSP_DMM_DEBUG | |
| 72 | u32 dmm_mem_map_dump(struct dmm_object *dmm_mgr); | |
| 73 | #endif | |
| 74 | ||
| 75 | #endif /* DMM_ */ |