mirror of
https://github.com/torvalds/linux.git
synced 2024-11-29 23:51:37 +00:00
1a15d26c31
Use the new crypto_engine_op interface where the callback is stored in the algorithm object. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
286 lines
8.4 KiB
C
286 lines
8.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __RK3288_CRYPTO_H__
|
|
#define __RK3288_CRYPTO_H__
|
|
|
|
#include <crypto/aes.h>
|
|
#include <crypto/engine.h>
|
|
#include <crypto/internal/des.h>
|
|
#include <crypto/internal/hash.h>
|
|
#include <crypto/internal/skcipher.h>
|
|
#include <crypto/md5.h>
|
|
#include <crypto/sha1.h>
|
|
#include <crypto/sha2.h>
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/pm_runtime.h>
|
|
#include <linux/scatterlist.h>
|
|
#include <linux/types.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)))
|
|
|
|
#define RK_MAX_CLKS 4
|
|
|
|
/*
|
|
* struct rockchip_ip - struct for managing a list of RK crypto instance
|
|
* @dev_list: Used for doing a list of rk_crypto_info
|
|
* @lock: Control access to dev_list
|
|
* @dbgfs_dir: Debugfs dentry for statistic directory
|
|
* @dbgfs_stats: Debugfs dentry for statistic counters
|
|
*/
|
|
struct rockchip_ip {
|
|
struct list_head dev_list;
|
|
spinlock_t lock; /* Control access to dev_list */
|
|
struct dentry *dbgfs_dir;
|
|
struct dentry *dbgfs_stats;
|
|
};
|
|
|
|
struct rk_clks {
|
|
const char *name;
|
|
unsigned long max;
|
|
};
|
|
|
|
struct rk_variant {
|
|
int num_clks;
|
|
struct rk_clks rkclks[RK_MAX_CLKS];
|
|
};
|
|
|
|
struct rk_crypto_info {
|
|
struct list_head list;
|
|
struct device *dev;
|
|
struct clk_bulk_data *clks;
|
|
int num_clks;
|
|
struct reset_control *rst;
|
|
void __iomem *reg;
|
|
int irq;
|
|
const struct rk_variant *variant;
|
|
unsigned long nreq;
|
|
struct crypto_engine *engine;
|
|
struct completion complete;
|
|
int status;
|
|
};
|
|
|
|
/* the private variable of hash */
|
|
struct rk_ahash_ctx {
|
|
/* for fallback */
|
|
struct crypto_ahash *fallback_tfm;
|
|
};
|
|
|
|
/* the private variable of hash for fallback */
|
|
struct rk_ahash_rctx {
|
|
struct rk_crypto_info *dev;
|
|
struct ahash_request fallback_req;
|
|
u32 mode;
|
|
int nrsg;
|
|
};
|
|
|
|
/* the private variable of cipher */
|
|
struct rk_cipher_ctx {
|
|
unsigned int keylen;
|
|
u8 key[AES_MAX_KEY_SIZE];
|
|
u8 iv[AES_BLOCK_SIZE];
|
|
struct crypto_skcipher *fallback_tfm;
|
|
};
|
|
|
|
struct rk_cipher_rctx {
|
|
struct rk_crypto_info *dev;
|
|
u8 backup_iv[AES_BLOCK_SIZE];
|
|
u32 mode;
|
|
struct skcipher_request fallback_req; // keep at the end
|
|
};
|
|
|
|
struct rk_crypto_tmp {
|
|
u32 type;
|
|
struct rk_crypto_info *dev;
|
|
union {
|
|
struct skcipher_engine_alg skcipher;
|
|
struct ahash_engine_alg hash;
|
|
} alg;
|
|
unsigned long stat_req;
|
|
unsigned long stat_fb;
|
|
unsigned long stat_fb_len;
|
|
unsigned long stat_fb_sglen;
|
|
unsigned long stat_fb_align;
|
|
unsigned long stat_fb_sgdiff;
|
|
};
|
|
|
|
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;
|
|
|
|
struct rk_crypto_info *get_rk_crypto(void);
|
|
#endif
|