1 #ifndef __RK3288_CRYPTO_H__ 2 #define __RK3288_CRYPTO_H__ 3 4 #include <crypto/aes.h> 5 #include <crypto/des.h> 6 #include <crypto/algapi.h> 7 #include <linux/interrupt.h> 8 #include <linux/delay.h> 9 #include <crypto/internal/hash.h> 10 11 #include <crypto/md5.h> 12 #include <crypto/sha.h> 13 14 #define _SBF(v, f) ((v) << (f)) 15 16 /* Crypto control registers*/ 17 #define RK_CRYPTO_INTSTS 0x0000 18 #define RK_CRYPTO_PKA_DONE_INT BIT(5) 19 #define RK_CRYPTO_HASH_DONE_INT BIT(4) 20 #define RK_CRYPTO_HRDMA_ERR_INT BIT(3) 21 #define RK_CRYPTO_HRDMA_DONE_INT BIT(2) 22 #define RK_CRYPTO_BCDMA_ERR_INT BIT(1) 23 #define RK_CRYPTO_BCDMA_DONE_INT BIT(0) 24 25 #define RK_CRYPTO_INTENA 0x0004 26 #define RK_CRYPTO_PKA_DONE_ENA BIT(5) 27 #define RK_CRYPTO_HASH_DONE_ENA BIT(4) 28 #define RK_CRYPTO_HRDMA_ERR_ENA BIT(3) 29 #define RK_CRYPTO_HRDMA_DONE_ENA BIT(2) 30 #define RK_CRYPTO_BCDMA_ERR_ENA BIT(1) 31 #define RK_CRYPTO_BCDMA_DONE_ENA BIT(0) 32 33 #define RK_CRYPTO_CTRL 0x0008 34 #define RK_CRYPTO_WRITE_MASK _SBF(0xFFFF, 16) 35 #define RK_CRYPTO_TRNG_FLUSH BIT(9) 36 #define RK_CRYPTO_TRNG_START BIT(8) 37 #define RK_CRYPTO_PKA_FLUSH BIT(7) 38 #define RK_CRYPTO_HASH_FLUSH BIT(6) 39 #define RK_CRYPTO_BLOCK_FLUSH BIT(5) 40 #define RK_CRYPTO_PKA_START BIT(4) 41 #define RK_CRYPTO_HASH_START BIT(3) 42 #define RK_CRYPTO_BLOCK_START BIT(2) 43 #define RK_CRYPTO_TDES_START BIT(1) 44 #define RK_CRYPTO_AES_START BIT(0) 45 46 #define RK_CRYPTO_CONF 0x000c 47 /* HASH Receive DMA Address Mode: fix | increment */ 48 #define RK_CRYPTO_HR_ADDR_MODE BIT(8) 49 /* Block Transmit DMA Address Mode: fix | increment */ 50 #define RK_CRYPTO_BT_ADDR_MODE BIT(7) 51 /* Block Receive DMA Address Mode: fix | increment */ 52 #define RK_CRYPTO_BR_ADDR_MODE BIT(6) 53 #define RK_CRYPTO_BYTESWAP_HRFIFO BIT(5) 54 #define RK_CRYPTO_BYTESWAP_BTFIFO BIT(4) 55 #define RK_CRYPTO_BYTESWAP_BRFIFO BIT(3) 56 /* AES = 0 OR DES = 1 */ 57 #define RK_CRYPTO_DESSEL BIT(2) 58 #define RK_CYYPTO_HASHINSEL_INDEPENDENT_SOURCE _SBF(0x00, 0) 59 #define RK_CYYPTO_HASHINSEL_BLOCK_CIPHER_INPUT _SBF(0x01, 0) 60 #define RK_CYYPTO_HASHINSEL_BLOCK_CIPHER_OUTPUT _SBF(0x02, 0) 61 62 /* Block Receiving DMA Start Address Register */ 63 #define RK_CRYPTO_BRDMAS 0x0010 64 /* Block Transmitting DMA Start Address Register */ 65 #define RK_CRYPTO_BTDMAS 0x0014 66 /* Block Receiving DMA Length Register */ 67 #define RK_CRYPTO_BRDMAL 0x0018 68 /* Hash Receiving DMA Start Address Register */ 69 #define RK_CRYPTO_HRDMAS 0x001c 70 /* Hash Receiving DMA Length Register */ 71 #define RK_CRYPTO_HRDMAL 0x0020 72 73 /* AES registers */ 74 #define RK_CRYPTO_AES_CTRL 0x0080 75 #define RK_CRYPTO_AES_BYTESWAP_CNT BIT(11) 76 #define RK_CRYPTO_AES_BYTESWAP_KEY BIT(10) 77 #define RK_CRYPTO_AES_BYTESWAP_IV BIT(9) 78 #define RK_CRYPTO_AES_BYTESWAP_DO BIT(8) 79 #define RK_CRYPTO_AES_BYTESWAP_DI BIT(7) 80 #define RK_CRYPTO_AES_KEY_CHANGE BIT(6) 81 #define RK_CRYPTO_AES_ECB_MODE _SBF(0x00, 4) 82 #define RK_CRYPTO_AES_CBC_MODE _SBF(0x01, 4) 83 #define RK_CRYPTO_AES_CTR_MODE _SBF(0x02, 4) 84 #define RK_CRYPTO_AES_128BIT_key _SBF(0x00, 2) 85 #define RK_CRYPTO_AES_192BIT_key _SBF(0x01, 2) 86 #define RK_CRYPTO_AES_256BIT_key _SBF(0x02, 2) 87 /* Slave = 0 / fifo = 1 */ 88 #define RK_CRYPTO_AES_FIFO_MODE BIT(1) 89 /* Encryption = 0 , Decryption = 1 */ 90 #define RK_CRYPTO_AES_DEC BIT(0) 91 92 #define RK_CRYPTO_AES_STS 0x0084 93 #define RK_CRYPTO_AES_DONE BIT(0) 94 95 /* AES Input Data 0-3 Register */ 96 #define RK_CRYPTO_AES_DIN_0 0x0088 97 #define RK_CRYPTO_AES_DIN_1 0x008c 98 #define RK_CRYPTO_AES_DIN_2 0x0090 99 #define RK_CRYPTO_AES_DIN_3 0x0094 100 101 /* AES output Data 0-3 Register */ 102 #define RK_CRYPTO_AES_DOUT_0 0x0098 103 #define RK_CRYPTO_AES_DOUT_1 0x009c 104 #define RK_CRYPTO_AES_DOUT_2 0x00a0 105 #define RK_CRYPTO_AES_DOUT_3 0x00a4 106 107 /* AES IV Data 0-3 Register */ 108 #define RK_CRYPTO_AES_IV_0 0x00a8 109 #define RK_CRYPTO_AES_IV_1 0x00ac 110 #define RK_CRYPTO_AES_IV_2 0x00b0 111 #define RK_CRYPTO_AES_IV_3 0x00b4 112 113 /* AES Key Data 0-3 Register */ 114 #define RK_CRYPTO_AES_KEY_0 0x00b8 115 #define RK_CRYPTO_AES_KEY_1 0x00bc 116 #define RK_CRYPTO_AES_KEY_2 0x00c0 117 #define RK_CRYPTO_AES_KEY_3 0x00c4 118 #define RK_CRYPTO_AES_KEY_4 0x00c8 119 #define RK_CRYPTO_AES_KEY_5 0x00cc 120 #define RK_CRYPTO_AES_KEY_6 0x00d0 121 #define RK_CRYPTO_AES_KEY_7 0x00d4 122 123 /* des/tdes */ 124 #define RK_CRYPTO_TDES_CTRL 0x0100 125 #define RK_CRYPTO_TDES_BYTESWAP_KEY BIT(8) 126 #define RK_CRYPTO_TDES_BYTESWAP_IV BIT(7) 127 #define RK_CRYPTO_TDES_BYTESWAP_DO BIT(6) 128 #define RK_CRYPTO_TDES_BYTESWAP_DI BIT(5) 129 /* 0: ECB, 1: CBC */ 130 #define RK_CRYPTO_TDES_CHAINMODE_CBC BIT(4) 131 /* TDES Key Mode, 0 : EDE, 1 : EEE */ 132 #define RK_CRYPTO_TDES_EEE BIT(3) 133 /* 0: DES, 1:TDES */ 134 #define RK_CRYPTO_TDES_SELECT BIT(2) 135 /* 0: Slave, 1:Fifo */ 136 #define RK_CRYPTO_TDES_FIFO_MODE BIT(1) 137 /* Encryption = 0 , Decryption = 1 */ 138 #define RK_CRYPTO_TDES_DEC BIT(0) 139 140 #define RK_CRYPTO_TDES_STS 0x0104 141 #define RK_CRYPTO_TDES_DONE BIT(0) 142 143 #define RK_CRYPTO_TDES_DIN_0 0x0108 144 #define RK_CRYPTO_TDES_DIN_1 0x010c 145 #define RK_CRYPTO_TDES_DOUT_0 0x0110 146 #define RK_CRYPTO_TDES_DOUT_1 0x0114 147 #define RK_CRYPTO_TDES_IV_0 0x0118 148 #define RK_CRYPTO_TDES_IV_1 0x011c 149 #define RK_CRYPTO_TDES_KEY1_0 0x0120 150 #define RK_CRYPTO_TDES_KEY1_1 0x0124 151 #define RK_CRYPTO_TDES_KEY2_0 0x0128 152 #define RK_CRYPTO_TDES_KEY2_1 0x012c 153 #define RK_CRYPTO_TDES_KEY3_0 0x0130 154 #define RK_CRYPTO_TDES_KEY3_1 0x0134 155 156 /* HASH */ 157 #define RK_CRYPTO_HASH_CTRL 0x0180 158 #define RK_CRYPTO_HASH_SWAP_DO BIT(3) 159 #define RK_CRYPTO_HASH_SWAP_DI BIT(2) 160 #define RK_CRYPTO_HASH_SHA1 _SBF(0x00, 0) 161 #define RK_CRYPTO_HASH_MD5 _SBF(0x01, 0) 162 #define RK_CRYPTO_HASH_SHA256 _SBF(0x02, 0) 163 #define RK_CRYPTO_HASH_PRNG _SBF(0x03, 0) 164 165 #define RK_CRYPTO_HASH_STS 0x0184 166 #define RK_CRYPTO_HASH_DONE BIT(0) 167 168 #define RK_CRYPTO_HASH_MSG_LEN 0x0188 169 #define RK_CRYPTO_HASH_DOUT_0 0x018c 170 #define RK_CRYPTO_HASH_DOUT_1 0x0190 171 #define RK_CRYPTO_HASH_DOUT_2 0x0194 172 #define RK_CRYPTO_HASH_DOUT_3 0x0198 173 #define RK_CRYPTO_HASH_DOUT_4 0x019c 174 #define RK_CRYPTO_HASH_DOUT_5 0x01a0 175 #define RK_CRYPTO_HASH_DOUT_6 0x01a4 176 #define RK_CRYPTO_HASH_DOUT_7 0x01a8 177 178 #define CRYPTO_READ(dev, offset) \ 179 readl_relaxed(((dev)->reg + (offset))) 180 #define CRYPTO_WRITE(dev, offset, val) \ 181 writel_relaxed((val), ((dev)->reg + (offset))) 182 183 struct rk_crypto_info { 184 struct device *dev; 185 struct clk *aclk; 186 struct clk *hclk; 187 struct clk *sclk; 188 struct clk *dmaclk; 189 struct reset_control *rst; 190 void __iomem *reg; 191 int irq; 192 struct crypto_queue queue; 193 struct tasklet_struct crypto_tasklet; 194 struct ablkcipher_request *ablk_req; 195 struct ahash_request *ahash_req; 196 /* device lock */ 197 spinlock_t lock; 198 199 /* the public variable */ 200 struct scatterlist *sg_src; 201 struct scatterlist *sg_dst; 202 struct scatterlist sg_tmp; 203 struct scatterlist *first; 204 unsigned int left_bytes; 205 void *addr_vir; 206 int aligned; 207 int align_size; 208 size_t nents; 209 unsigned int total; 210 unsigned int count; 211 u32 mode; 212 dma_addr_t addr_in; 213 dma_addr_t addr_out; 214 int (*start)(struct rk_crypto_info *dev); 215 int (*update)(struct rk_crypto_info *dev); 216 void (*complete)(struct rk_crypto_info *dev, int err); 217 int (*enable_clk)(struct rk_crypto_info *dev); 218 void (*disable_clk)(struct rk_crypto_info *dev); 219 int (*load_data)(struct rk_crypto_info *dev, 220 struct scatterlist *sg_src, 221 struct scatterlist *sg_dst); 222 void (*unload_data)(struct rk_crypto_info *dev); 223 }; 224 225 /* the private variable of hash */ 226 struct rk_ahash_ctx { 227 struct rk_crypto_info *dev; 228 /* for fallback */ 229 struct crypto_ahash *fallback_tfm; 230 }; 231 232 /* the privete variable of hash for fallback */ 233 struct rk_ahash_rctx { 234 struct ahash_request fallback_req; 235 }; 236 237 /* the private variable of cipher */ 238 struct rk_cipher_ctx { 239 struct rk_crypto_info *dev; 240 unsigned int keylen; 241 }; 242 243 enum alg_type { 244 ALG_TYPE_HASH, 245 ALG_TYPE_CIPHER, 246 }; 247 248 struct rk_crypto_tmp { 249 struct rk_crypto_info *dev; 250 union { 251 struct crypto_alg crypto; 252 struct ahash_alg hash; 253 } alg; 254 enum alg_type type; 255 }; 256 257 extern struct rk_crypto_tmp rk_ecb_aes_alg; 258 extern struct rk_crypto_tmp rk_cbc_aes_alg; 259 extern struct rk_crypto_tmp rk_ecb_des_alg; 260 extern struct rk_crypto_tmp rk_cbc_des_alg; 261 extern struct rk_crypto_tmp rk_ecb_des3_ede_alg; 262 extern struct rk_crypto_tmp rk_cbc_des3_ede_alg; 263 264 extern struct rk_crypto_tmp rk_ahash_sha1; 265 extern struct rk_crypto_tmp rk_ahash_sha256; 266 extern struct rk_crypto_tmp rk_ahash_md5; 267 268 #endif 269