marvell/linux/drivers/crypto/asr/asr-rng.h

#ifndef _ASR_RNG_H_
#define _ASR_RNG_H_

#include <crypto/aes.h>
#include <linux/crypto.h>
#include <crypto/algapi.h>
#include <linux/interrupt.h>
#include <linux/mutex.h>
#include <linux/miscdevice.h>

#define RNG_SYTE_CNT				(0x04)
#define RNG_SRC_ADDR				(0x14)
#define RNG_DEST_ADDR				(0x24)
#define RNG_NEXTDEST_ADDR			(0x34)
#define RNG_SQU_CTRL				(0x44)
#define RNG_CURR_DESC_PTR			(0x74)
#define RNG_INT_MASK				(0x84)
#define RNG_INT_STATUS				(0xa4)
#define RNG_CTRL					(0xc0)
#define RNG_DATA					(0xc4)
#define RNG_SEED_VAL				(0xc8)

#define SQU_CTRL_FIFO_CLR			(1 << 30)
#define CTRL_RNG_VALID				(1 << 31)
#define CTRL_RNG_SEED_VALID			(1 << 30)
#define CTRL_RNG_SEED_EN			(1 << 1)
#define CTRL_RNG_EN					(1 << 0)

struct asr_rng {
	struct device		*dev;
    unsigned long		phys_base;
	void __iomem		*io_base;
	void __iomem		*seed_base;
	struct hwrng *hwrng;
	unsigned int rn_saved;

    struct mutex	rng_lock;
    struct clk		*rng_clk;
    int			clk_synced;
    refcount_t	refcount;

    struct asr_rng_ops	*rng_ops;
};

struct asr_rng_ops {
    int (*dev_get)(struct asr_rng *);
    int (*dev_put)(struct asr_rng *);
};

#endif