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