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/*++
* WonderMedia Memory Block driver
*
* Copyright c 2010 WonderMedia Technologies, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* WonderMedia Technologies, Inc.
* 10F, 529, Chung-Cheng Road, Hsin-Tien, Taipei 231, R.O.C
--*/
#ifndef MEMBLOCK_H
#define MEMBLOCK_H
#include <linux/types.h>
struct prdt_struct{
unsigned int addr;
unsigned short size;
unsigned short reserve : 15;
unsigned short EDT : 1;
}__attribute__((packed)) ;
struct mmu_table_info{
unsigned int addr;
unsigned int size;
unsigned int offset;
}__attribute__((packed)) ;
// 1 presents the task init that would never be released
#define MB_DEF_TGID 0
#ifdef CONFIG_WMT_MB_RESERVE_FROM_IO
#define mb_virt_to_phys(v) mb_do_virt_to_phys(v,MB_DEF_TGID,THE_MB_USER)
#define mb_phys_to_virt(p) mb_do_phys_to_virt(p,MB_DEF_TGID,THE_MB_USER)
#else
#define mb_virt_to_phys(v) virt_to_phys(v)
#define mb_phys_to_virt(p) phys_to_virt(p)
#endif
#define mb_user_to_virt(u) mb_do_user_to_virt(u,MB_DEF_TGID,THE_MB_USER)
#define mb_user_to_phys(u) mb_do_user_to_phys(u,MB_DEF_TGID,THE_MB_USER)
/* all addresses are physical */
#define mb_alloc(s) mb_do_alloc(s,MB_DEF_TGID,THE_MB_USER)
#define mb_free(p) mb_do_free(p,MB_DEF_TGID,THE_MB_USER)
#define mb_get(p) mb_do_get(p,MB_DEF_TGID,THE_MB_USER)
#define mb_put(p) mb_do_put(p,MB_DEF_TGID,THE_MB_USER)
#define mb_counter(p) mb_do_counter(p,THE_MB_USER)
void *mb_do_phys_to_virt(unsigned long phys, pid_t, char *);
unsigned long mb_do_virt_to_phys(void *virt, pid_t, char *);
unsigned long mb_do_user_to_virt(unsigned long, pid_t, char *);
unsigned long mb_do_user_to_phys(unsigned long, pid_t, char *);
unsigned long mb_do_alloc(unsigned long, pid_t, char *);
int mb_do_free(unsigned long, pid_t, char *);
int mb_do_get(unsigned long, pid_t, char *);
int mb_do_put(unsigned long, pid_t, char *);
int mb_do_counter(unsigned long, char *);
int user_to_prdt(
unsigned long user,
unsigned int size,
struct prdt_struct *next,
unsigned int items);
unsigned int wmt_mmu_table_size(unsigned int size);
void wmt_mmu_table_dump(struct mmu_table_info *info);
int wmt_mmu_table_check(
unsigned int mmuPhys,
unsigned int mmuSize,
unsigned int size);
unsigned int wmt_mmu_table_from_phys(
unsigned int mmuPhys,
unsigned int mmuSize,
unsigned int addr,
unsigned int size);
unsigned int wmt_mmu_table_from_user(
unsigned int mmuPhys,
unsigned int mmuSize,
unsigned int user,
unsigned int size);
unsigned int wmt_mmu_table_create(
unsigned int addr,
unsigned int size,
unsigned int addrType,
struct mmu_table_info *info);
unsigned int wmt_mmu_table_destroy(struct mmu_table_info *info);
#endif
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