kernel_samsung_a34x-permissive/drivers/misc/mediatek/sspm/sspm_reservedmem.h
2024-04-28 15:51:13 +02:00

57 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2019 MediaTek Inc.
*/
#ifndef __SSPM_RESERVED_H__
#define __SSPM_RESERVED_H__
#include <linux/types.h>
#include "sspm_define.h"
#ifndef _SSPM_MEM_ID_
#define _SSPM_MEM_ID_
enum {
SSPM_MEM_ID = 0,
PWRAP_MEM_ID,
PMIC_MEM_ID,
UPD_MEM_ID,
QOS_MEM_ID,
SWPM_MEM_ID,
#if defined(CONFIG_MTK_GMO_RAM_OPTIMIZE) || defined(CONFIG_MTK_MET_MEM_ALLOC)
#else
MET_MEM_ID,
#endif
SMI_MEM_ID,
NUMS_MEM_ID,
};
#endif
struct sspm_reserve_mblock {
u32 num;
u64 start_phys;
u64 start_virt;
u64 size;
};
phys_addr_t sspm_reserve_mem_get_phys(unsigned int id);
phys_addr_t sspm_reserve_mem_get_virt(unsigned int id);
phys_addr_t sspm_reserve_mem_get_size(unsigned int id);
int sspm_reserve_memory_init(void);
void sspm_set_emi_mpu(unsigned int id, phys_addr_t base, phys_addr_t size);
void sspm_lock_emi_mpu(unsigned int region);
#ifdef SSPM_SHARE_BUFFER_SUPPORT
#define SSPM_SHARE_REGION_BASE 0x20000
#define SSPM_SHARE_REGION_SIZE 0x8000
#endif
#ifdef SSPM_SHARE_BUFFER_SUPPORT
extern struct platform_device *sspm_pdev;
phys_addr_t sspm_sbuf_get(unsigned int offset);
int sspm_sbuf_init(void);
#endif
extern struct sspm_reserve_mblock *sspm_reserve_mblock;
#endif