1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __RK3288_CRYPTO_H__ 3 #define __RK3288_CRYPTO_H__ 4 5 #include <crypto/aes.h> 6 #include <crypto/internal/des.h> 7 #include <crypto/algapi.h> 8 #include <linux/interrupt.h> 9 #include <linux/delay.h> 10 #include <linux/scatterlist.h> 11 #include <crypto/internal/hash.h> 12 #include <crypto/internal/skcipher.h> 13 14 #include <crypto/md5.h> 15 #include <crypto/sha1.h> 16 #include <crypto/sha2.h> 17 18 #define _SBF(v, f) ((v) << (f)) 19 20 /* Crypto control registers*/ 21 #define RK_CRYPTO_INTSTS 0x0000 22 #define RK_CRYPTO_PKA_DONE_INT BIT(5) 23 #define RK_CRYPTO_HASH_DONE_INT BIT(4) 24 #define RK_CRYPTO_HRDMA_ERR_INT BIT(3) 25 #define RK_CRYPTO_HRDMA_DONE_INT BIT(2) 26 #define RK_CRYPTO_BCDMA_ERR_INT BIT(1) 27 #define RK_CRYPTO_BCDMA_DONE_INT BIT(0) 28 29 #define RK_CRYPTO_INTENA 0x0004 30 #define RK_CRYPTO_PKA_DONE_ENA BIT(5) 31 #define RK_CRYPTO_HASH_DONE_ENA BIT(4) 32 #define RK_CRYPTO_HRDMA_ERR_ENA BIT(3) 33 #define RK_CRYPTO_HRDMA_DONE_ENA BIT(2) 34 #define RK_CRYPTO_BCDMA_ERR_ENA BIT(1) 35 #define RK_CRYPTO_BCDMA_DONE_ENA BIT(0) 36 37 #define RK_CRYPTO_CTRL 0x0008 38 #define RK_CRYPTO_WRITE_MASK _SBF(0xFFFF, 16) 39 #define RK_CRYPTO_TRNG_FLUSH BIT(9) 40 #define RK_CRYPTO_TRNG_START BIT(8) 41 #define RK_CRYPTO_PKA_FLUSH BIT(7) 42 #define RK_CRYPTO_HASH_FLUSH BIT(6) 43 #define RK_CRYPTO_BLOCK_FLUSH BIT(5) 44 #define RK_CRYPTO_PKA_START BIT(4) 45 #define RK_CRYPTO_HASH_START BIT(3) 46 #define RK_CRYPTO_BLOCK_START BIT(2) 47 #define RK_CRYPTO_TDES_START BIT(1) 48 #define RK_CRYPTO_AES_START BIT(0) 49 50 #define RK_CRYPTO_CONF 0x000c 51 /* HASH Receive DMA Address Mode: fix | increment */ 52 #define RK_CRYPTO_HR_ADDR_MODE BIT(8) 53 /* Block Transmit DMA Address Mode: fix | increment */ 54 #define RK_CRYPTO_BT_ADDR_MODE BIT(7) 55 /* Block Receive DMA Address Mode: fix | increment */ 56 #define RK_CRYPTO_BR_ADDR_MODE BIT(6) 57 #define RK_CRYPTO_BYTESWAP_HRFIFO BIT(5) 58 #define RK_CRYPTO_BYTESWAP_BTFIFO BIT(4) 59 #define RK_CRYPTO_BYTESWAP_BRFIFO BIT(3) 60 /* AES = 0 OR DES = 1 */ 61 #define RK_CRYPTO_DESSEL BIT(2) 62 #define RK_CYYPTO_HASHINSEL_INDEPENDENT_SOURCE _SBF(0x00, 0) 63 #define RK_CYYPTO_HASHINSEL_BLOCK_CIPHER_INPUT _SBF(0x01, 0) 64 #define RK_CYYPTO_HASHINSEL_BLOCK_CIPHER_OUTPUT _SBF(0x02, 0) 65 66 /* Block Receiving DMA Start Address Register */ 67 #define RK_CRYPTO_BRDMAS 0x0010 68 /* Block Transmitting DMA Start Address Register */ 69 #define RK_CRYPTO_BTDMAS 0x0014 70 /* Block Receiving DMA Length Register */ 71 #define RK_CRYPTO_BRDMAL 0x0018 72 /* Hash Receiving DMA Start Address Register */ 73 #define RK_CRYPTO_HRDMAS 0x001c 74 /* Hash Receiving DMA Length Register */ 75 #define RK_CRYPTO_HRDMAL 0x0020 76 77 /* AES registers */ 78 #define RK_CRYPTO_AES_CTRL 0x0080 79 #define RK_CRYPTO_AES_BYTESWAP_CNT BIT(11) 80 #define RK_CRYPTO_AES_BYTESWAP_KEY BIT(10) 81 #define RK_CRYPTO_AES_BYTESWAP_IV BIT(9) 82 #define RK_CRYPTO_AES_BYTESWAP_DO BIT(8) 83 #define RK_CRYPTO_AES_BYTESWAP_DI BIT(7) 84 #define RK_CRYPTO_AES_KEY_CHANGE BIT(6) 85 #define RK_CRYPTO_AES_ECB_MODE _SBF(0x00, 4) 86 #define RK_CRYPTO_AES_CBC_MODE _SBF(0x01, 4) 87 #define RK_CRYPTO_AES_CTR_MODE _SBF(0x02, 4) 88 #define RK_CRYPTO_AES_128BIT_key _SBF(0x00, 2) 89 #define RK_CRYPTO_AES_192BIT_key _SBF(0x01, 2) 90 #define RK_CRYPTO_AES_256BIT_key _SBF(0x02, 2) 91 /* Slave = 0 / fifo = 1 */ 92 #define RK_CRYPTO_AES_FIFO_MODE BIT(1) 93 /* Encryption = 0 , Decryption = 1 */ 94 #define RK_CRYPTO_AES_DEC BIT(0) 95 96 #define RK_CRYPTO_AES_STS 0x0084 97 #define RK_CRYPTO_AES_DONE BIT(0) 98 99 /* AES Input Data 0-3 Register */ 100 #define RK_CRYPTO_AES_DIN_0 0x0088 101 #define RK_CRYPTO_AES_DIN_1 0x008c 102 #define RK_CRYPTO_AES_DIN_2 0x0090 103 #define RK_CRYPTO_AES_DIN_3 0x0094 104 105 /* AES output Data 0-3 Register */ 106 #define RK_CRYPTO_AES_DOUT_0 0x0098 107 #define RK_CRYPTO_AES_DOUT_1 0x009c 108 #define RK_CRYPTO_AES_DOUT_2 0x00a0 109 #define RK_CRYPTO_AES_DOUT_3 0x00a4 110 111 /* AES IV Data 0-3 Register */ 112 #define RK_CRYPTO_AES_IV_0 0x00a8 113 #define RK_CRYPTO_AES_IV_1 0x00ac 114 #define RK_CRYPTO_AES_IV_2 0x00b0 115 #define RK_CRYPTO_AES_IV_3 0x00b4 116 117 /* AES Key Data 0-3 Register */ 118 #define RK_CRYPTO_AES_KEY_0 0x00b8 119 #define RK_CRYPTO_AES_KEY_1 0x00bc 120 #define RK_CRYPTO_AES_KEY_2 0x00c0 121 #define RK_CRYPTO_AES_KEY_3 0x00c4 122 #define RK_CRYPTO_AES_KEY_4 0x00c8 123 #define RK_CRYPTO_AES_KEY_5 0x00cc 124 #define RK_CRYPTO_AES_KEY_6 0x00d0 125 #define RK_CRYPTO_AES_KEY_7 0x00d4 126 127 /* des/tdes */ 128 #define RK_CRYPTO_TDES_CTRL 0x0100 129 #define RK_CRYPTO_TDES_BYTESWAP_KEY BIT(8) 130 #define RK_CRYPTO_TDES_BYTESWAP_IV BIT(7) 131 #define RK_CRYPTO_TDES_BYTESWAP_DO BIT(6) 132 #define RK_CRYPTO_TDES_BYTESWAP_DI BIT(5) 133 /* 0: ECB, 1: CBC */ 134 #define RK_CRYPTO_TDES_CHAINMODE_CBC BIT(4) 135 /* TDES Key Mode, 0 : EDE, 1 : EEE */ 136 #define RK_CRYPTO_TDES_EEE BIT(3) 137 /* 0: DES, 1:TDES */ 138 #define RK_CRYPTO_TDES_SELECT BIT(2) 139 /* 0: Slave, 1:Fifo */ 140 #define RK_CRYPTO_TDES_FIFO_MODE BIT(1) 141 /* Encryption = 0 , Decryption = 1 */ 142 #define RK_CRYPTO_TDES_DEC BIT(0) 143 144 #define RK_CRYPTO_TDES_STS 0x0104 145 #define RK_CRYPTO_TDES_DONE BIT(0) 146 147 #define RK_CRYPTO_TDES_DIN_0 0x0108 148 #define RK_CRYPTO_TDES_DIN_1 0x010c 149 #define RK_CRYPTO_TDES_DOUT_0 0x0110 150 #define RK_CRYPTO_TDES_DOUT_1 0x0114 151 #define RK_CRYPTO_TDES_IV_0 0x0118 152 #define RK_CRYPTO_TDES_IV_1 0x011c 153 #define RK_CRYPTO_TDES_KEY1_0 0x0120 154 #define RK_CRYPTO_TDES_KEY1_1 0x0124 155 #define RK_CRYPTO_TDES_KEY2_0 0x0128 156 #define RK_CRYPTO_TDES_KEY2_1 0x012c 157 #define RK_CRYPTO_TDES_KEY3_0 0x0130 158 #define RK_CRYPTO_TDES_KEY3_1 0x0134 159 160 /* HASH */ 161 #define RK_CRYPTO_HASH_CTRL 0x0180 162 #define RK_CRYPTO_HASH_SWAP_DO BIT(3) 163 #define RK_CRYPTO_HASH_SWAP_DI BIT(2) 164 #define RK_CRYPTO_HASH_SHA1 _SBF(0x00, 0) 165 #define RK_CRYPTO_HASH_MD5 _SBF(0x01, 0) 166 #define RK_CRYPTO_HASH_SHA256 _SBF(0x02, 0) 167 #define RK_CRYPTO_HASH_PRNG _SBF(0x03, 0) 168 169 #define RK_CRYPTO_HASH_STS 0x0184 170 #define RK_CRYPTO_HASH_DONE BIT(0) 171 172 #define RK_CRYPTO_HASH_MSG_LEN 0x0188 173 #define RK_CRYPTO_HASH_DOUT_0 0x018c 174 #define RK_CRYPTO_HASH_DOUT_1 0x0190 175 #define RK_CRYPTO_HASH_DOUT_2 0x0194 176 #define RK_CRYPTO_HASH_DOUT_3 0x0198 177 #define RK_CRYPTO_HASH_DOUT_4 0x019c 178 #define RK_CRYPTO_HASH_DOUT_5 0x01a0 179 #define RK_CRYPTO_HASH_DOUT_6 0x01a4 180 #define RK_CRYPTO_HASH_DOUT_7 0x01a8 181 182 #define CRYPTO_READ(dev, offset) \ 183 readl_relaxed(((dev)->reg + (offset))) 184 #define CRYPTO_WRITE(dev, offset, val) \ 185 writel_relaxed((val), ((dev)->reg + (offset))) 186 187 struct rk_crypto_info { 188 struct device *dev; 189 struct clk *aclk; 190 struct clk *hclk; 191 struct clk *sclk; 192 struct clk *dmaclk; 193 struct reset_control *rst; 194 void __iomem *reg; 195 int irq; 196 struct crypto_queue queue; 197 struct tasklet_struct queue_task; 198 struct tasklet_struct done_task; 199 struct crypto_async_request *async_req; 200 int err; 201 /* device lock */ 202 spinlock_t lock; 203 204 /* the public variable */ 205 struct scatterlist *sg_src; 206 struct scatterlist *sg_dst; 207 struct scatterlist sg_tmp; 208 struct scatterlist *first; 209 unsigned int left_bytes; 210 void *addr_vir; 211 int aligned; 212 int align_size; 213 size_t src_nents; 214 size_t dst_nents; 215 unsigned int total; 216 unsigned int count; 217 dma_addr_t addr_in; 218 dma_addr_t addr_out; 219 bool busy; 220 int (*start)(struct rk_crypto_info *dev); 221 int (*update)(struct rk_crypto_info *dev); 222 void (*complete)(struct crypto_async_request *base, int err); 223 int (*enable_clk)(struct rk_crypto_info *dev); 224 void (*disable_clk)(struct rk_crypto_info *dev); 225 int (*load_data)(struct rk_crypto_info *dev, 226 struct scatterlist *sg_src, 227 struct scatterlist *sg_dst); 228 void (*unload_data)(struct rk_crypto_info *dev); 229 int (*enqueue)(struct rk_crypto_info *dev, 230 struct crypto_async_request *async_req); 231 }; 232 233 /* the private variable of hash */ 234 struct rk_ahash_ctx { 235 struct rk_crypto_info *dev; 236 /* for fallback */ 237 struct crypto_ahash *fallback_tfm; 238 }; 239 240 /* the privete variable of hash for fallback */ 241 struct rk_ahash_rctx { 242 struct ahash_request fallback_req; 243 u32 mode; 244 }; 245 246 /* the private variable of cipher */ 247 struct rk_cipher_ctx { 248 struct rk_crypto_info *dev; 249 unsigned int keylen; 250 u32 mode; 251 u8 iv[AES_BLOCK_SIZE]; 252 }; 253 254 enum alg_type { 255 ALG_TYPE_HASH, 256 ALG_TYPE_CIPHER, 257 }; 258 259 struct rk_crypto_tmp { 260 struct rk_crypto_info *dev; 261 union { 262 struct skcipher_alg skcipher; 263 struct ahash_alg hash; 264 } alg; 265 enum alg_type type; 266 }; 267 268 extern struct rk_crypto_tmp rk_ecb_aes_alg; 269 extern struct rk_crypto_tmp rk_cbc_aes_alg; 270 extern struct rk_crypto_tmp rk_ecb_des_alg; 271 extern struct rk_crypto_tmp rk_cbc_des_alg; 272 extern struct rk_crypto_tmp rk_ecb_des3_ede_alg; 273 extern struct rk_crypto_tmp rk_cbc_des3_ede_alg; 274 275 extern struct rk_crypto_tmp rk_ahash_sha1; 276 extern struct rk_crypto_tmp rk_ahash_sha256; 277 extern struct rk_crypto_tmp rk_ahash_md5; 278 279 #endif 280