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/engine.h> 7#include <crypto/internal/des.h> 8#include <crypto/internal/hash.h> 9#include <crypto/internal/skcipher.h> 10#include <crypto/md5.h> 11#include <crypto/sha1.h> 12#include <crypto/sha2.h> 13#include <linux/dma-mapping.h> 14#include <linux/interrupt.h> 15#include <linux/pm_runtime.h> 16#include <linux/scatterlist.h> 17#include <linux/types.h> 18 19#define _SBF(v, f) ((v) << (f)) 20 21/* Crypto control registers*/ 22#define RK_CRYPTO_INTSTS 0x0000 23#define RK_CRYPTO_PKA_DONE_INT BIT(5) 24#define RK_CRYPTO_HASH_DONE_INT BIT(4) 25#define RK_CRYPTO_HRDMA_ERR_INT BIT(3) 26#define RK_CRYPTO_HRDMA_DONE_INT BIT(2) 27#define RK_CRYPTO_BCDMA_ERR_INT BIT(1) 28#define RK_CRYPTO_BCDMA_DONE_INT BIT(0) 29 30#define RK_CRYPTO_INTENA 0x0004 31#define RK_CRYPTO_PKA_DONE_ENA BIT(5) 32#define RK_CRYPTO_HASH_DONE_ENA BIT(4) 33#define RK_CRYPTO_HRDMA_ERR_ENA BIT(3) 34#define RK_CRYPTO_HRDMA_DONE_ENA BIT(2) 35#define RK_CRYPTO_BCDMA_ERR_ENA BIT(1) 36#define RK_CRYPTO_BCDMA_DONE_ENA BIT(0) 37 38#define RK_CRYPTO_CTRL 0x0008 39#define RK_CRYPTO_WRITE_MASK _SBF(0xFFFF, 16) 40#define RK_CRYPTO_TRNG_FLUSH BIT(9) 41#define RK_CRYPTO_TRNG_START BIT(8) 42#define RK_CRYPTO_PKA_FLUSH BIT(7) 43#define RK_CRYPTO_HASH_FLUSH BIT(6) 44#define RK_CRYPTO_BLOCK_FLUSH BIT(5) 45#define RK_CRYPTO_PKA_START BIT(4) 46#define RK_CRYPTO_HASH_START BIT(3) 47#define RK_CRYPTO_BLOCK_START BIT(2) 48#define RK_CRYPTO_TDES_START BIT(1) 49#define RK_CRYPTO_AES_START BIT(0) 50 51#define RK_CRYPTO_CONF 0x000c 52/* HASH Receive DMA Address Mode: fix | increment */ 53#define RK_CRYPTO_HR_ADDR_MODE BIT(8) 54/* Block Transmit DMA Address Mode: fix | increment */ 55#define RK_CRYPTO_BT_ADDR_MODE BIT(7) 56/* Block Receive DMA Address Mode: fix | increment */ 57#define RK_CRYPTO_BR_ADDR_MODE BIT(6) 58#define RK_CRYPTO_BYTESWAP_HRFIFO BIT(5) 59#define RK_CRYPTO_BYTESWAP_BTFIFO BIT(4) 60#define RK_CRYPTO_BYTESWAP_BRFIFO BIT(3) 61/* AES = 0 OR DES = 1 */ 62#define RK_CRYPTO_DESSEL BIT(2) 63#define RK_CYYPTO_HASHINSEL_INDEPENDENT_SOURCE _SBF(0x00, 0) 64#define RK_CYYPTO_HASHINSEL_BLOCK_CIPHER_INPUT _SBF(0x01, 0) 65#define RK_CYYPTO_HASHINSEL_BLOCK_CIPHER_OUTPUT _SBF(0x02, 0) 66 67/* Block Receiving DMA Start Address Register */ 68#define RK_CRYPTO_BRDMAS 0x0010 69/* Block Transmitting DMA Start Address Register */ 70#define RK_CRYPTO_BTDMAS 0x0014 71/* Block Receiving DMA Length Register */ 72#define RK_CRYPTO_BRDMAL 0x0018 73/* Hash Receiving DMA Start Address Register */ 74#define RK_CRYPTO_HRDMAS 0x001c 75/* Hash Receiving DMA Length Register */ 76#define RK_CRYPTO_HRDMAL 0x0020 77 78/* AES registers */ 79#define RK_CRYPTO_AES_CTRL 0x0080 80#define RK_CRYPTO_AES_BYTESWAP_CNT BIT(11) 81#define RK_CRYPTO_AES_BYTESWAP_KEY BIT(10) 82#define RK_CRYPTO_AES_BYTESWAP_IV BIT(9) 83#define RK_CRYPTO_AES_BYTESWAP_DO BIT(8) 84#define RK_CRYPTO_AES_BYTESWAP_DI BIT(7) 85#define RK_CRYPTO_AES_KEY_CHANGE BIT(6) 86#define RK_CRYPTO_AES_ECB_MODE _SBF(0x00, 4) 87#define RK_CRYPTO_AES_CBC_MODE _SBF(0x01, 4) 88#define RK_CRYPTO_AES_CTR_MODE _SBF(0x02, 4) 89#define RK_CRYPTO_AES_128BIT_key _SBF(0x00, 2) 90#define RK_CRYPTO_AES_192BIT_key _SBF(0x01, 2) 91#define RK_CRYPTO_AES_256BIT_key _SBF(0x02, 2) 92/* Slave = 0 / fifo = 1 */ 93#define RK_CRYPTO_AES_FIFO_MODE BIT(1) 94/* Encryption = 0 , Decryption = 1 */ 95#define RK_CRYPTO_AES_DEC BIT(0) 96 97#define RK_CRYPTO_AES_STS 0x0084 98#define RK_CRYPTO_AES_DONE BIT(0) 99 100/* AES Input Data 0-3 Register */ 101#define RK_CRYPTO_AES_DIN_0 0x0088 102#define RK_CRYPTO_AES_DIN_1 0x008c 103#define RK_CRYPTO_AES_DIN_2 0x0090 104#define RK_CRYPTO_AES_DIN_3 0x0094 105 106/* AES output Data 0-3 Register */ 107#define RK_CRYPTO_AES_DOUT_0 0x0098 108#define RK_CRYPTO_AES_DOUT_1 0x009c 109#define RK_CRYPTO_AES_DOUT_2 0x00a0 110#define RK_CRYPTO_AES_DOUT_3 0x00a4 111 112/* AES IV Data 0-3 Register */ 113#define RK_CRYPTO_AES_IV_0 0x00a8 114#define RK_CRYPTO_AES_IV_1 0x00ac 115#define RK_CRYPTO_AES_IV_2 0x00b0 116#define RK_CRYPTO_AES_IV_3 0x00b4 117 118/* AES Key Data 0-3 Register */ 119#define RK_CRYPTO_AES_KEY_0 0x00b8 120#define RK_CRYPTO_AES_KEY_1 0x00bc 121#define RK_CRYPTO_AES_KEY_2 0x00c0 122#define RK_CRYPTO_AES_KEY_3 0x00c4 123#define RK_CRYPTO_AES_KEY_4 0x00c8 124#define RK_CRYPTO_AES_KEY_5 0x00cc 125#define RK_CRYPTO_AES_KEY_6 0x00d0 126#define RK_CRYPTO_AES_KEY_7 0x00d4 127 128/* des/tdes */ 129#define RK_CRYPTO_TDES_CTRL 0x0100 130#define RK_CRYPTO_TDES_BYTESWAP_KEY BIT(8) 131#define RK_CRYPTO_TDES_BYTESWAP_IV BIT(7) 132#define RK_CRYPTO_TDES_BYTESWAP_DO BIT(6) 133#define RK_CRYPTO_TDES_BYTESWAP_DI BIT(5) 134/* 0: ECB, 1: CBC */ 135#define RK_CRYPTO_TDES_CHAINMODE_CBC BIT(4) 136/* TDES Key Mode, 0 : EDE, 1 : EEE */ 137#define RK_CRYPTO_TDES_EEE BIT(3) 138/* 0: DES, 1:TDES */ 139#define RK_CRYPTO_TDES_SELECT BIT(2) 140/* 0: Slave, 1:Fifo */ 141#define RK_CRYPTO_TDES_FIFO_MODE BIT(1) 142/* Encryption = 0 , Decryption = 1 */ 143#define RK_CRYPTO_TDES_DEC BIT(0) 144 145#define RK_CRYPTO_TDES_STS 0x0104 146#define RK_CRYPTO_TDES_DONE BIT(0) 147 148#define RK_CRYPTO_TDES_DIN_0 0x0108 149#define RK_CRYPTO_TDES_DIN_1 0x010c 150#define RK_CRYPTO_TDES_DOUT_0 0x0110 151#define RK_CRYPTO_TDES_DOUT_1 0x0114 152#define RK_CRYPTO_TDES_IV_0 0x0118 153#define RK_CRYPTO_TDES_IV_1 0x011c 154#define RK_CRYPTO_TDES_KEY1_0 0x0120 155#define RK_CRYPTO_TDES_KEY1_1 0x0124 156#define RK_CRYPTO_TDES_KEY2_0 0x0128 157#define RK_CRYPTO_TDES_KEY2_1 0x012c 158#define RK_CRYPTO_TDES_KEY3_0 0x0130 159#define RK_CRYPTO_TDES_KEY3_1 0x0134 160 161/* HASH */ 162#define RK_CRYPTO_HASH_CTRL 0x0180 163#define RK_CRYPTO_HASH_SWAP_DO BIT(3) 164#define RK_CRYPTO_HASH_SWAP_DI BIT(2) 165#define RK_CRYPTO_HASH_SHA1 _SBF(0x00, 0) 166#define RK_CRYPTO_HASH_MD5 _SBF(0x01, 0) 167#define RK_CRYPTO_HASH_SHA256 _SBF(0x02, 0) 168#define RK_CRYPTO_HASH_PRNG _SBF(0x03, 0) 169 170#define RK_CRYPTO_HASH_STS 0x0184 171#define RK_CRYPTO_HASH_DONE BIT(0) 172 173#define RK_CRYPTO_HASH_MSG_LEN 0x0188 174#define RK_CRYPTO_HASH_DOUT_0 0x018c 175#define RK_CRYPTO_HASH_DOUT_1 0x0190 176#define RK_CRYPTO_HASH_DOUT_2 0x0194 177#define RK_CRYPTO_HASH_DOUT_3 0x0198 178#define RK_CRYPTO_HASH_DOUT_4 0x019c 179#define RK_CRYPTO_HASH_DOUT_5 0x01a0 180#define RK_CRYPTO_HASH_DOUT_6 0x01a4 181#define RK_CRYPTO_HASH_DOUT_7 0x01a8 182 183#define CRYPTO_READ(dev, offset) \ 184 readl_relaxed(((dev)->reg + (offset))) 185#define CRYPTO_WRITE(dev, offset, val) \ 186 writel_relaxed((val), ((dev)->reg + (offset))) 187 188#define RK_MAX_CLKS 4 189 190/* 191 * struct rockchip_ip - struct for managing a list of RK crypto instance 192 * @dev_list: Used for doing a list of rk_crypto_info 193 * @lock: Control access to dev_list 194 * @dbgfs_dir: Debugfs dentry for statistic directory 195 * @dbgfs_stats: Debugfs dentry for statistic counters 196 */ 197struct rockchip_ip { 198 struct list_head dev_list; 199 spinlock_t lock; /* Control access to dev_list */ 200 struct dentry *dbgfs_dir; 201 struct dentry *dbgfs_stats; 202}; 203 204struct rk_clks { 205 const char *name; 206 unsigned long max; 207}; 208 209struct rk_variant { 210 int num_clks; 211 struct rk_clks rkclks[RK_MAX_CLKS]; 212}; 213 214struct rk_crypto_info { 215 struct list_head list; 216 struct device *dev; 217 struct clk_bulk_data *clks; 218 int num_clks; 219 struct reset_control *rst; 220 void __iomem *reg; 221 int irq; 222 const struct rk_variant *variant; 223 unsigned long nreq; 224 struct crypto_engine *engine; 225 struct completion complete; 226 int status; 227}; 228 229/* the private variable of hash */ 230struct rk_ahash_ctx { 231 /* for fallback */ 232 struct crypto_ahash *fallback_tfm; 233}; 234 235/* the private variable of hash for fallback */ 236struct rk_ahash_rctx { 237 struct rk_crypto_info *dev; 238 struct ahash_request fallback_req; 239 u32 mode; 240 int nrsg; 241}; 242 243/* the private variable of cipher */ 244struct rk_cipher_ctx { 245 unsigned int keylen; 246 u8 key[AES_MAX_KEY_SIZE]; 247 u8 iv[AES_BLOCK_SIZE]; 248 struct crypto_skcipher *fallback_tfm; 249}; 250 251struct rk_cipher_rctx { 252 struct rk_crypto_info *dev; 253 u8 backup_iv[AES_BLOCK_SIZE]; 254 u32 mode; 255 struct skcipher_request fallback_req; // keep at the end 256}; 257 258struct rk_crypto_tmp { 259 u32 type; 260 struct rk_crypto_info *dev; 261 union { 262 struct skcipher_engine_alg skcipher; 263 struct ahash_engine_alg hash; 264 } alg; 265 unsigned long stat_req; 266 unsigned long stat_fb; 267 unsigned long stat_fb_len; 268 unsigned long stat_fb_sglen; 269 unsigned long stat_fb_align; 270 unsigned long stat_fb_sgdiff; 271}; 272 273extern struct rk_crypto_tmp rk_ecb_aes_alg; 274extern struct rk_crypto_tmp rk_cbc_aes_alg; 275extern struct rk_crypto_tmp rk_ecb_des_alg; 276extern struct rk_crypto_tmp rk_cbc_des_alg; 277extern struct rk_crypto_tmp rk_ecb_des3_ede_alg; 278extern struct rk_crypto_tmp rk_cbc_des3_ede_alg; 279 280extern struct rk_crypto_tmp rk_ahash_sha1; 281extern struct rk_crypto_tmp rk_ahash_sha256; 282extern struct rk_crypto_tmp rk_ahash_md5; 283 284struct rk_crypto_info *get_rk_crypto(void); 285#endif 286