| #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> |
| |
| #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 |
| |
| #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 crypto_tasklet; |
| struct ablkcipher_request *ablk_req; |
| /* 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; |
| u32 mode; |
| dma_addr_t addr_in; |
| dma_addr_t addr_out; |
| int (*start)(struct rk_crypto_info *dev); |
| int (*update)(struct rk_crypto_info *dev); |
| void (*complete)(struct rk_crypto_info *dev, 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); |
| }; |
| |
| /* the private variable of cipher */ |
| struct rk_cipher_ctx { |
| struct rk_crypto_info *dev; |
| unsigned int keylen; |
| }; |
| |
| struct rk_crypto_tmp { |
| struct rk_crypto_info *dev; |
| struct crypto_alg alg; |
| }; |
| |
| 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; |
| |
| #endif |
