mirror of
https://github.com/followmsi/android_kernel_google_msm.git
synced 2024-11-06 23:17:41 +00:00
04e554807c
Change-Id: Ibead64ce2e901dede2ddd1b86088b88f2350ce92 Signed-off-by: Duy Truong <dtruong@codeaurora.org>
62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/*
|
|
*
|
|
* Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 and
|
|
* only 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.
|
|
*
|
|
*/
|
|
#ifndef _FMEM_H_
|
|
#define _FMEM_H_
|
|
|
|
#include <linux/vmalloc.h>
|
|
|
|
struct fmem_platform_data {
|
|
unsigned long phys;
|
|
unsigned long size;
|
|
unsigned long reserved_size_low;
|
|
unsigned long reserved_size_high;
|
|
unsigned long align;
|
|
};
|
|
|
|
struct fmem_data {
|
|
unsigned long phys;
|
|
void *virt;
|
|
struct vm_struct *area;
|
|
unsigned long size;
|
|
unsigned long reserved_size_low;
|
|
unsigned long reserved_size_high;
|
|
};
|
|
|
|
enum fmem_state {
|
|
FMEM_UNINITIALIZED = 0,
|
|
FMEM_C_STATE,
|
|
FMEM_T_STATE,
|
|
FMEM_O_STATE,
|
|
};
|
|
|
|
#ifdef CONFIG_QCACHE
|
|
struct fmem_data *fmem_get_info(void);
|
|
int fmem_set_state(enum fmem_state);
|
|
void lock_fmem_state(void);
|
|
void unlock_fmem_state(void);
|
|
void *fmem_map_virtual_area(int cacheability);
|
|
void fmem_unmap_virtual_area(void);
|
|
#else
|
|
static inline struct fmem_data *fmem_get_info(void) { return NULL; }
|
|
static inline int fmem_set_state(enum fmem_state f) { return -ENODEV; }
|
|
static inline void lock_fmem_state(void) { return; }
|
|
static inline void unlock_fmem_state(void) { return; }
|
|
static inline void *fmem_map_virtual_area(int cacheability) { return NULL; }
|
|
static inline void fmem_unmap_virtual_area(void) { return; }
|
|
#endif
|
|
|
|
int request_fmem_c_region(void *unused);
|
|
int release_fmem_c_region(void *unused);
|
|
#endif
|