/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __RK3288_CRYPTO_H__ #define __RK3288_CRYPTO_H__ #include <crypto/aes.h> #include <crypto/internal/des.h> #include <crypto/algapi.h> #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/scatterlist.h> #include <crypto/internal/hash.h> #include <crypto/internal/skcipher.h> #include <crypto/md5.h> #include <crypto/sha1.h> #include <crypto/sha2.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 src_nents; size_t dst_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; u8 iv[AES_BLOCK_SIZE]; }; enum alg_type { ALG_TYPE_HASH, ALG_TYPE_CIPHER, }; struct rk_crypto_tmp { struct rk_crypto_info *dev; union { struct skcipher_alg skcipher; 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