drivers/crypto/rockchip/rk3288_crypto.h - arm/linux - Git at Google

 #ifndef __RK3288_CRYPTO_H__
 #define __RK3288_CRYPTO_H__

 #include <crypto/aes.h>
 #include <crypto/des.h>
 #include <crypto/algapi.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
 #include <crypto/internal/hash.h>

 #include <crypto/md5.h>
 #include <crypto/sha.h>

 #define _SBF(v, f)			((v) << (f))

 /* Crypto control registers*/
 #define RK_CRYPTO_INTSTS		0x0000
 #define RK_CRYPTO_PKA_DONE_INT		BIT(5)
 #define RK_CRYPTO_HASH_DONE_INT		BIT(4)
 #define RK_CRYPTO_HRDMA_ERR_INT		BIT(3)
 #define RK_CRYPTO_HRDMA_DONE_INT	BIT(2)
 #define RK_CRYPTO_BCDMA_ERR_INT		BIT(1)
 #define RK_CRYPTO_BCDMA_DONE_INT	BIT(0)

 #define RK_CRYPTO_INTENA		0x0004
 #define RK_CRYPTO_PKA_DONE_ENA		BIT(5)
 #define RK_CRYPTO_HASH_DONE_ENA		BIT(4)
 #define RK_CRYPTO_HRDMA_ERR_ENA		BIT(3)
 #define RK_CRYPTO_HRDMA_DONE_ENA	BIT(2)
 #define RK_CRYPTO_BCDMA_ERR_ENA		BIT(1)
 #define RK_CRYPTO_BCDMA_DONE_ENA	BIT(0)

 #define RK_CRYPTO_CTRL			0x0008
 #define RK_CRYPTO_WRITE_MASK		_SBF(0xFFFF, 16)
 #define RK_CRYPTO_TRNG_FLUSH		BIT(9)
 #define RK_CRYPTO_TRNG_START		BIT(8)
 #define RK_CRYPTO_PKA_FLUSH		BIT(7)
 #define RK_CRYPTO_HASH_FLUSH		BIT(6)
 #define RK_CRYPTO_BLOCK_FLUSH		BIT(5)
 #define RK_CRYPTO_PKA_START		BIT(4)
 #define RK_CRYPTO_HASH_START		BIT(3)
 #define RK_CRYPTO_BLOCK_START		BIT(2)
 #define RK_CRYPTO_TDES_START		BIT(1)
 #define RK_CRYPTO_AES_START		BIT(0)

 #define RK_CRYPTO_CONF			0x000c
 /* HASH Receive DMA Address Mode:   fix | increment */
 #define RK_CRYPTO_HR_ADDR_MODE		BIT(8)
 /* Block Transmit DMA Address Mode: fix | increment */
 #define RK_CRYPTO_BT_ADDR_MODE		BIT(7)
 /* Block Receive DMA Address Mode:  fix | increment */
 #define RK_CRYPTO_BR_ADDR_MODE		BIT(6)
 #define RK_CRYPTO_BYTESWAP_HRFIFO	BIT(5)
 #define RK_CRYPTO_BYTESWAP_BTFIFO	BIT(4)
 #define RK_CRYPTO_BYTESWAP_BRFIFO	BIT(3)
 /* AES = 0 OR DES = 1 */
 #define RK_CRYPTO_DESSEL				BIT(2)
 #define RK_CYYPTO_HASHINSEL_INDEPENDENT_SOURCE		_SBF(0x00, 0)
 #define RK_CYYPTO_HASHINSEL_BLOCK_CIPHER_INPUT		_SBF(0x01, 0)
 #define RK_CYYPTO_HASHINSEL_BLOCK_CIPHER_OUTPUT		_SBF(0x02, 0)

 /* Block Receiving DMA Start Address Register */
 #define RK_CRYPTO_BRDMAS		0x0010
 /* Block Transmitting DMA Start Address Register */
 #define RK_CRYPTO_BTDMAS		0x0014
 /* Block Receiving DMA Length Register */
 #define RK_CRYPTO_BRDMAL		0x0018
 /* Hash Receiving DMA Start Address Register */
 #define RK_CRYPTO_HRDMAS		0x001c
 /* Hash Receiving DMA Length Register */
 #define RK_CRYPTO_HRDMAL		0x0020

 /* AES registers */
 #define RK_CRYPTO_AES_CTRL			  0x0080
 #define RK_CRYPTO_AES_BYTESWAP_CNT	BIT(11)
 #define RK_CRYPTO_AES_BYTESWAP_KEY	BIT(10)
 #define RK_CRYPTO_AES_BYTESWAP_IV	BIT(9)
 #define RK_CRYPTO_AES_BYTESWAP_DO	BIT(8)
 #define RK_CRYPTO_AES_BYTESWAP_DI	BIT(7)
 #define RK_CRYPTO_AES_KEY_CHANGE	BIT(6)
 #define RK_CRYPTO_AES_ECB_MODE		_SBF(0x00, 4)
 #define RK_CRYPTO_AES_CBC_MODE		_SBF(0x01, 4)
 #define RK_CRYPTO_AES_CTR_MODE		_SBF(0x02, 4)
 #define RK_CRYPTO_AES_128BIT_key	_SBF(0x00, 2)
 #define RK_CRYPTO_AES_192BIT_key	_SBF(0x01, 2)
 #define RK_CRYPTO_AES_256BIT_key	_SBF(0x02, 2)
 /* Slave = 0 / fifo = 1 */
 #define RK_CRYPTO_AES_FIFO_MODE		BIT(1)
 /* Encryption = 0 , Decryption = 1 */
 #define RK_CRYPTO_AES_DEC		BIT(0)

 #define RK_CRYPTO_AES_STS		0x0084
 #define RK_CRYPTO_AES_DONE		BIT(0)

 /* AES Input Data 0-3 Register */
 #define RK_CRYPTO_AES_DIN_0		0x0088
 #define RK_CRYPTO_AES_DIN_1		0x008c
 #define RK_CRYPTO_AES_DIN_2		0x0090
 #define RK_CRYPTO_AES_DIN_3		0x0094

 /* AES output Data 0-3 Register */
 #define RK_CRYPTO_AES_DOUT_0		0x0098
 #define RK_CRYPTO_AES_DOUT_1		0x009c
 #define RK_CRYPTO_AES_DOUT_2		0x00a0
 #define RK_CRYPTO_AES_DOUT_3		0x00a4

 /* AES IV Data 0-3 Register */
 #define RK_CRYPTO_AES_IV_0		0x00a8
 #define RK_CRYPTO_AES_IV_1		0x00ac
 #define RK_CRYPTO_AES_IV_2		0x00b0
 #define RK_CRYPTO_AES_IV_3		0x00b4

 /* AES Key Data 0-3 Register */
 #define RK_CRYPTO_AES_KEY_0		0x00b8
 #define RK_CRYPTO_AES_KEY_1		0x00bc
 #define RK_CRYPTO_AES_KEY_2		0x00c0
 #define RK_CRYPTO_AES_KEY_3		0x00c4
 #define RK_CRYPTO_AES_KEY_4		0x00c8
 #define RK_CRYPTO_AES_KEY_5		0x00cc
 #define RK_CRYPTO_AES_KEY_6		0x00d0
 #define RK_CRYPTO_AES_KEY_7		0x00d4

 /* des/tdes */
 #define RK_CRYPTO_TDES_CTRL		0x0100
 #define RK_CRYPTO_TDES_BYTESWAP_KEY	BIT(8)
 #define RK_CRYPTO_TDES_BYTESWAP_IV	BIT(7)
 #define RK_CRYPTO_TDES_BYTESWAP_DO	BIT(6)
 #define RK_CRYPTO_TDES_BYTESWAP_DI	BIT(5)
 /* 0: ECB, 1: CBC */
 #define RK_CRYPTO_TDES_CHAINMODE_CBC	BIT(4)
 /* TDES Key Mode, 0 : EDE, 1 : EEE */
 #define RK_CRYPTO_TDES_EEE		BIT(3)
 /* 0: DES, 1:TDES */
 #define RK_CRYPTO_TDES_SELECT		BIT(2)
 /* 0: Slave, 1:Fifo */
 #define RK_CRYPTO_TDES_FIFO_MODE	BIT(1)
 /* Encryption = 0 , Decryption = 1 */
 #define RK_CRYPTO_TDES_DEC		BIT(0)

 #define RK_CRYPTO_TDES_STS		0x0104
 #define RK_CRYPTO_TDES_DONE		BIT(0)

 #define RK_CRYPTO_TDES_DIN_0		0x0108
 #define RK_CRYPTO_TDES_DIN_1		0x010c
 #define RK_CRYPTO_TDES_DOUT_0		0x0110
 #define RK_CRYPTO_TDES_DOUT_1		0x0114
 #define RK_CRYPTO_TDES_IV_0		0x0118
 #define RK_CRYPTO_TDES_IV_1		0x011c
 #define RK_CRYPTO_TDES_KEY1_0		0x0120
 #define RK_CRYPTO_TDES_KEY1_1		0x0124
 #define RK_CRYPTO_TDES_KEY2_0		0x0128
 #define RK_CRYPTO_TDES_KEY2_1		0x012c
 #define RK_CRYPTO_TDES_KEY3_0		0x0130
 #define RK_CRYPTO_TDES_KEY3_1		0x0134

 /* HASH */
 #define RK_CRYPTO_HASH_CTRL		0x0180
 #define RK_CRYPTO_HASH_SWAP_DO		BIT(3)
 #define RK_CRYPTO_HASH_SWAP_DI		BIT(2)
 #define RK_CRYPTO_HASH_SHA1		_SBF(0x00, 0)
 #define RK_CRYPTO_HASH_MD5		_SBF(0x01, 0)
 #define RK_CRYPTO_HASH_SHA256		_SBF(0x02, 0)
 #define RK_CRYPTO_HASH_PRNG		_SBF(0x03, 0)

 #define RK_CRYPTO_HASH_STS		0x0184
 #define RK_CRYPTO_HASH_DONE		BIT(0)

 #define RK_CRYPTO_HASH_MSG_LEN		0x0188
 #define RK_CRYPTO_HASH_DOUT_0		0x018c
 #define RK_CRYPTO_HASH_DOUT_1		0x0190
 #define RK_CRYPTO_HASH_DOUT_2		0x0194
 #define RK_CRYPTO_HASH_DOUT_3		0x0198
 #define RK_CRYPTO_HASH_DOUT_4		0x019c
 #define RK_CRYPTO_HASH_DOUT_5		0x01a0
 #define RK_CRYPTO_HASH_DOUT_6		0x01a4
 #define RK_CRYPTO_HASH_DOUT_7		0x01a8

 #define CRYPTO_READ(dev, offset)		  \
 		readl_relaxed(((dev)->reg + (offset)))
 #define CRYPTO_WRITE(dev, offset, val)	  \
 		writel_relaxed((val), ((dev)->reg + (offset)))

 struct rk_crypto_info {
 	struct device			*dev;
 	struct clk			*aclk;
 	struct clk			*hclk;
 	struct clk			*sclk;
 	struct clk			*dmaclk;
 	struct reset_control		*rst;
 	void __iomem			*reg;
 	int				irq;
 	struct crypto_queue		queue;
 	struct tasklet_struct		queue_task;
 	struct tasklet_struct		done_task;
 	struct crypto_async_request	*async_req;
 	int 				err;
 	/* device lock */
 	spinlock_t			lock;

 	/* the public variable */
 	struct scatterlist		*sg_src;
 	struct scatterlist		*sg_dst;
 	struct scatterlist		sg_tmp;
 	struct scatterlist		*first;
 	unsigned int			left_bytes;
 	void				*addr_vir;
 	int				aligned;
 	int				align_size;
 	size_t				nents;
 	unsigned int			total;
 	unsigned int			count;
 	dma_addr_t			addr_in;
 	dma_addr_t			addr_out;
 	bool				busy;
 	int (*start)(struct rk_crypto_info *dev);
 	int (*update)(struct rk_crypto_info *dev);
 	void (*complete)(struct crypto_async_request *base, int err);
 	int (*enable_clk)(struct rk_crypto_info *dev);
 	void (*disable_clk)(struct rk_crypto_info *dev);
 	int (*load_data)(struct rk_crypto_info *dev,
 			 struct scatterlist *sg_src,
 			 struct scatterlist *sg_dst);
 	void (*unload_data)(struct rk_crypto_info *dev);
 	int (*enqueue)(struct rk_crypto_info *dev,
 		       struct crypto_async_request *async_req);
 };

 /* the private variable of hash */
 struct rk_ahash_ctx {
 	struct rk_crypto_info		*dev;
 	/* for fallback */
 	struct crypto_ahash		*fallback_tfm;
 };

 /* the privete variable of hash for fallback */
 struct rk_ahash_rctx {
 	struct ahash_request		fallback_req;
 	u32				mode;
 };

 /* the private variable of cipher */
 struct rk_cipher_ctx {
 	struct rk_crypto_info		*dev;
 	unsigned int			keylen;
 	u32				mode;
 };

 enum alg_type {
 	ALG_TYPE_HASH,
 	ALG_TYPE_CIPHER,
 };

 struct rk_crypto_tmp {
 	struct rk_crypto_info		*dev;
 	union {
 		struct crypto_alg	crypto;
 		struct ahash_alg	hash;
 	} alg;
 	enum alg_type			type;
 };

 extern struct rk_crypto_tmp rk_ecb_aes_alg;
 extern struct rk_crypto_tmp rk_cbc_aes_alg;
 extern struct rk_crypto_tmp rk_ecb_des_alg;
 extern struct rk_crypto_tmp rk_cbc_des_alg;
 extern struct rk_crypto_tmp rk_ecb_des3_ede_alg;
 extern struct rk_crypto_tmp rk_cbc_des3_ede_alg;

 extern struct rk_crypto_tmp rk_ahash_sha1;
 extern struct rk_crypto_tmp rk_ahash_sha256;
 extern struct rk_crypto_tmp rk_ahash_md5;

 #endif
	#ifndef __RK3288_CRYPTO_H__
	#define __RK3288_CRYPTO_H__

	#include <crypto/aes.h>
	#include <crypto/des.h>
	#include <crypto/algapi.h>
	#include <linux/interrupt.h>
	#include <linux/delay.h>
	#include <crypto/internal/hash.h>

	#include <crypto/md5.h>
	#include <crypto/sha.h>

	#define _SBF(v, f) ((v) << (f))

	/* Crypto control registers*/
	#define RK_CRYPTO_INTSTS 0x0000
	#define RK_CRYPTO_PKA_DONE_INT BIT(5)
	#define RK_CRYPTO_HASH_DONE_INT BIT(4)
	#define RK_CRYPTO_HRDMA_ERR_INT BIT(3)
	#define RK_CRYPTO_HRDMA_DONE_INT BIT(2)
	#define RK_CRYPTO_BCDMA_ERR_INT BIT(1)
	#define RK_CRYPTO_BCDMA_DONE_INT BIT(0)

	#define RK_CRYPTO_INTENA 0x0004
	#define RK_CRYPTO_PKA_DONE_ENA BIT(5)
	#define RK_CRYPTO_HASH_DONE_ENA BIT(4)
	#define RK_CRYPTO_HRDMA_ERR_ENA BIT(3)
	#define RK_CRYPTO_HRDMA_DONE_ENA BIT(2)
	#define RK_CRYPTO_BCDMA_ERR_ENA BIT(1)
	#define RK_CRYPTO_BCDMA_DONE_ENA BIT(0)

	#define RK_CRYPTO_CTRL 0x0008
	#define RK_CRYPTO_WRITE_MASK _SBF(0xFFFF, 16)
	#define RK_CRYPTO_TRNG_FLUSH BIT(9)
	#define RK_CRYPTO_TRNG_START BIT(8)
	#define RK_CRYPTO_PKA_FLUSH BIT(7)
	#define RK_CRYPTO_HASH_FLUSH BIT(6)
	#define RK_CRYPTO_BLOCK_FLUSH BIT(5)
	#define RK_CRYPTO_PKA_START BIT(4)
	#define RK_CRYPTO_HASH_START BIT(3)
	#define RK_CRYPTO_BLOCK_START BIT(2)
	#define RK_CRYPTO_TDES_START BIT(1)
	#define RK_CRYPTO_AES_START BIT(0)

	#define RK_CRYPTO_CONF 0x000c
	/* HASH Receive DMA Address Mode: fix \| increment */
	#define RK_CRYPTO_HR_ADDR_MODE BIT(8)
	/* Block Transmit DMA Address Mode: fix \| increment */
	#define RK_CRYPTO_BT_ADDR_MODE BIT(7)
	/* Block Receive DMA Address Mode: fix \| increment */
	#define RK_CRYPTO_BR_ADDR_MODE BIT(6)
	#define RK_CRYPTO_BYTESWAP_HRFIFO BIT(5)
	#define RK_CRYPTO_BYTESWAP_BTFIFO BIT(4)
	#define RK_CRYPTO_BYTESWAP_BRFIFO BIT(3)
	/* AES = 0 OR DES = 1 */
	#define RK_CRYPTO_DESSEL BIT(2)
	#define RK_CYYPTO_HASHINSEL_INDEPENDENT_SOURCE _SBF(0x00, 0)
	#define RK_CYYPTO_HASHINSEL_BLOCK_CIPHER_INPUT _SBF(0x01, 0)
	#define RK_CYYPTO_HASHINSEL_BLOCK_CIPHER_OUTPUT _SBF(0x02, 0)

	/* Block Receiving DMA Start Address Register */
	#define RK_CRYPTO_BRDMAS 0x0010
	/* Block Transmitting DMA Start Address Register */
	#define RK_CRYPTO_BTDMAS 0x0014
	/* Block Receiving DMA Length Register */
	#define RK_CRYPTO_BRDMAL 0x0018
	/* Hash Receiving DMA Start Address Register */
	#define RK_CRYPTO_HRDMAS 0x001c
	/* Hash Receiving DMA Length Register */
	#define RK_CRYPTO_HRDMAL 0x0020

	/* AES registers */
	#define RK_CRYPTO_AES_CTRL 0x0080
	#define RK_CRYPTO_AES_BYTESWAP_CNT BIT(11)
	#define RK_CRYPTO_AES_BYTESWAP_KEY BIT(10)
	#define RK_CRYPTO_AES_BYTESWAP_IV BIT(9)
	#define RK_CRYPTO_AES_BYTESWAP_DO BIT(8)
	#define RK_CRYPTO_AES_BYTESWAP_DI BIT(7)
	#define RK_CRYPTO_AES_KEY_CHANGE BIT(6)
	#define RK_CRYPTO_AES_ECB_MODE _SBF(0x00, 4)
	#define RK_CRYPTO_AES_CBC_MODE _SBF(0x01, 4)
	#define RK_CRYPTO_AES_CTR_MODE _SBF(0x02, 4)
	#define RK_CRYPTO_AES_128BIT_key _SBF(0x00, 2)
	#define RK_CRYPTO_AES_192BIT_key _SBF(0x01, 2)
	#define RK_CRYPTO_AES_256BIT_key _SBF(0x02, 2)
	/* Slave = 0 / fifo = 1 */
	#define RK_CRYPTO_AES_FIFO_MODE BIT(1)
	/* Encryption = 0 , Decryption = 1 */
	#define RK_CRYPTO_AES_DEC BIT(0)

	#define RK_CRYPTO_AES_STS 0x0084
	#define RK_CRYPTO_AES_DONE BIT(0)

	/* AES Input Data 0-3 Register */
	#define RK_CRYPTO_AES_DIN_0 0x0088
	#define RK_CRYPTO_AES_DIN_1 0x008c
	#define RK_CRYPTO_AES_DIN_2 0x0090
	#define RK_CRYPTO_AES_DIN_3 0x0094

	/* AES output Data 0-3 Register */
	#define RK_CRYPTO_AES_DOUT_0 0x0098
	#define RK_CRYPTO_AES_DOUT_1 0x009c
	#define RK_CRYPTO_AES_DOUT_2 0x00a0
	#define RK_CRYPTO_AES_DOUT_3 0x00a4

	/* AES IV Data 0-3 Register */
	#define RK_CRYPTO_AES_IV_0 0x00a8
	#define RK_CRYPTO_AES_IV_1 0x00ac
	#define RK_CRYPTO_AES_IV_2 0x00b0
	#define RK_CRYPTO_AES_IV_3 0x00b4

	/* AES Key Data 0-3 Register */
	#define RK_CRYPTO_AES_KEY_0 0x00b8
	#define RK_CRYPTO_AES_KEY_1 0x00bc
	#define RK_CRYPTO_AES_KEY_2 0x00c0
	#define RK_CRYPTO_AES_KEY_3 0x00c4
	#define RK_CRYPTO_AES_KEY_4 0x00c8
	#define RK_CRYPTO_AES_KEY_5 0x00cc
	#define RK_CRYPTO_AES_KEY_6 0x00d0
	#define RK_CRYPTO_AES_KEY_7 0x00d4

	/* des/tdes */
	#define RK_CRYPTO_TDES_CTRL 0x0100
	#define RK_CRYPTO_TDES_BYTESWAP_KEY BIT(8)
	#define RK_CRYPTO_TDES_BYTESWAP_IV BIT(7)
	#define RK_CRYPTO_TDES_BYTESWAP_DO BIT(6)
	#define RK_CRYPTO_TDES_BYTESWAP_DI BIT(5)
	/* 0: ECB, 1: CBC */
	#define RK_CRYPTO_TDES_CHAINMODE_CBC BIT(4)
	/* TDES Key Mode, 0 : EDE, 1 : EEE */
	#define RK_CRYPTO_TDES_EEE BIT(3)
	/* 0: DES, 1:TDES */
	#define RK_CRYPTO_TDES_SELECT BIT(2)
	/* 0: Slave, 1:Fifo */
	#define RK_CRYPTO_TDES_FIFO_MODE BIT(1)
	/* Encryption = 0 , Decryption = 1 */
	#define RK_CRYPTO_TDES_DEC BIT(0)

	#define RK_CRYPTO_TDES_STS 0x0104
	#define RK_CRYPTO_TDES_DONE BIT(0)

	#define RK_CRYPTO_TDES_DIN_0 0x0108
	#define RK_CRYPTO_TDES_DIN_1 0x010c
	#define RK_CRYPTO_TDES_DOUT_0 0x0110
	#define RK_CRYPTO_TDES_DOUT_1 0x0114
	#define RK_CRYPTO_TDES_IV_0 0x0118
	#define RK_CRYPTO_TDES_IV_1 0x011c
	#define RK_CRYPTO_TDES_KEY1_0 0x0120
	#define RK_CRYPTO_TDES_KEY1_1 0x0124
	#define RK_CRYPTO_TDES_KEY2_0 0x0128
	#define RK_CRYPTO_TDES_KEY2_1 0x012c
	#define RK_CRYPTO_TDES_KEY3_0 0x0130
	#define RK_CRYPTO_TDES_KEY3_1 0x0134

	/* HASH */
	#define RK_CRYPTO_HASH_CTRL 0x0180
	#define RK_CRYPTO_HASH_SWAP_DO BIT(3)
	#define RK_CRYPTO_HASH_SWAP_DI BIT(2)
	#define RK_CRYPTO_HASH_SHA1 _SBF(0x00, 0)
	#define RK_CRYPTO_HASH_MD5 _SBF(0x01, 0)
	#define RK_CRYPTO_HASH_SHA256 _SBF(0x02, 0)
	#define RK_CRYPTO_HASH_PRNG _SBF(0x03, 0)

	#define RK_CRYPTO_HASH_STS 0x0184
	#define RK_CRYPTO_HASH_DONE BIT(0)

	#define RK_CRYPTO_HASH_MSG_LEN 0x0188
	#define RK_CRYPTO_HASH_DOUT_0 0x018c
	#define RK_CRYPTO_HASH_DOUT_1 0x0190
	#define RK_CRYPTO_HASH_DOUT_2 0x0194
	#define RK_CRYPTO_HASH_DOUT_3 0x0198
	#define RK_CRYPTO_HASH_DOUT_4 0x019c
	#define RK_CRYPTO_HASH_DOUT_5 0x01a0
	#define RK_CRYPTO_HASH_DOUT_6 0x01a4
	#define RK_CRYPTO_HASH_DOUT_7 0x01a8

	#define CRYPTO_READ(dev, offset) \
	readl_relaxed(((dev)->reg + (offset)))
	#define CRYPTO_WRITE(dev, offset, val) \
	writel_relaxed((val), ((dev)->reg + (offset)))

	struct rk_crypto_info {
	struct device *dev;
	struct clk *aclk;
	struct clk *hclk;
	struct clk *sclk;
	struct clk *dmaclk;
	struct reset_control *rst;
	void __iomem *reg;
	int irq;
	struct crypto_queue queue;
	struct tasklet_struct queue_task;
	struct tasklet_struct done_task;
	struct crypto_async_request *async_req;
	int err;
	/* device lock */
	spinlock_t lock;

	/* the public variable */
	struct scatterlist *sg_src;
	struct scatterlist *sg_dst;
	struct scatterlist sg_tmp;
	struct scatterlist *first;
	unsigned int left_bytes;
	void *addr_vir;
	int aligned;
	int align_size;
	size_t nents;
	unsigned int total;
	unsigned int count;
	dma_addr_t addr_in;
	dma_addr_t addr_out;
	bool busy;
	int (start)(struct rk_crypto_info dev);
	int (update)(struct rk_crypto_info dev);
	void (complete)(struct crypto_async_request base, int err);
	int (enable_clk)(struct rk_crypto_info dev);
	void (disable_clk)(struct rk_crypto_info dev);
	int (load_data)(struct rk_crypto_info dev,
	struct scatterlist *sg_src,
	struct scatterlist *sg_dst);
	void (unload_data)(struct rk_crypto_info dev);
	int (enqueue)(struct rk_crypto_info dev,
	struct crypto_async_request *async_req);
	};

	/* the private variable of hash */
	struct rk_ahash_ctx {
	struct rk_crypto_info *dev;
	/* for fallback */
	struct crypto_ahash *fallback_tfm;
	};

	/* the privete variable of hash for fallback */
	struct rk_ahash_rctx {
	struct ahash_request fallback_req;
	u32 mode;
	};

	/* the private variable of cipher */
	struct rk_cipher_ctx {
	struct rk_crypto_info *dev;
	unsigned int keylen;
	u32 mode;
	};

	enum alg_type {
	ALG_TYPE_HASH,
	ALG_TYPE_CIPHER,
	};

	struct rk_crypto_tmp {
	struct rk_crypto_info *dev;
	union {
	struct crypto_alg crypto;
	struct ahash_alg hash;
	} alg;
	enum alg_type type;
	};

	extern struct rk_crypto_tmp rk_ecb_aes_alg;
	extern struct rk_crypto_tmp rk_cbc_aes_alg;
	extern struct rk_crypto_tmp rk_ecb_des_alg;
	extern struct rk_crypto_tmp rk_cbc_des_alg;
	extern struct rk_crypto_tmp rk_ecb_des3_ede_alg;
	extern struct rk_crypto_tmp rk_cbc_des3_ede_alg;

	extern struct rk_crypto_tmp rk_ahash_sha1;
	extern struct rk_crypto_tmp rk_ahash_sha256;
	extern struct rk_crypto_tmp rk_ahash_md5;

	#endif