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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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52
drivers/misc/samsung/scsc/mifintrbit.h Normal file
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/****************************************************************************
*
* Copyright (c) 2014 - 2016 Samsung Electronics Co., Ltd. All rights reserved
*
****************************************************************************/
#ifndef __MIFINTRBIT_H
#define __MIFINTRBIT_H
#include <linux/spinlock.h>
/** MIF Interrupt Bit Handler prototype. */
typedef void (*mifintrbit_handler)(int which_bit, void *data);
struct mifintrbit; /* fwd - opaque pointer */
#define MIFINTRBIT_NUM_INT 16
/** Reserve MIF interrupt bits 0 in the to-r4 and to-m4 registers for purpose of forcing panics */
#define MIFINTRBIT_RESERVED_PANIC_R4 0
#define MIFINTRBIT_RESERVED_PANIC_M4 0
void mifintrbit_init(struct mifintrbit *intr, struct scsc_mif_abs *mif);
void mifintrbit_deinit(struct mifintrbit *intr);
/** Allocates TOHOST MIF interrupt bits, and associates handler for the AP bit.
* Returns the bit index.*/
int mifintrbit_alloc_tohost(struct mifintrbit *intr, mifintrbit_handler handler, void *data);
/** Deallocates TOHOST MIF interrupt bits */
int mifintrbit_free_tohost(struct mifintrbit *intr, int which_bit);
/* Get an interrupt bit associated with the target (R4/M4) -FROMHOST direction
* Function returns the IRQ bit associated , -EIO if error */
int mifintrbit_alloc_fromhost(struct mifintrbit *intr, enum scsc_mif_abs_target target);
/* Free an interrupt bit associated with the target (R4/M4) -FROMHOST direction
* Function returns the 0 if succedes , -EIO if error */
int mifintrbit_free_fromhost(struct mifintrbit *intr, int which_bit, enum scsc_mif_abs_target target);
struct mifintrbit {
void(*mifintrbit_irq_handler[MIFINTRBIT_NUM_INT]) (int irq, void *data);
void *irq_data[MIFINTRBIT_NUM_INT];
struct scsc_mif_abs *mif;
/* Use spinlock is it may be in IRQ context */
spinlock_t spinlock;
/* Interrupt allocation bitmaps */
DECLARE_BITMAP(bitmap_tohost, MIFINTRBIT_NUM_INT);
DECLARE_BITMAP(bitmap_fromhost_r4, MIFINTRBIT_NUM_INT);
DECLARE_BITMAP(bitmap_fromhost_m4, MIFINTRBIT_NUM_INT);
};
#endif