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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 0x000023#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 0x000431#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 0x000839#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 0x000c52/* 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 0x001069/* Block Transmitting DMA Start Address Register */70#define RK_CRYPTO_BTDMAS 0x001471/* Block Receiving DMA Length Register */72#define RK_CRYPTO_BRDMAL 0x001873/* Hash Receiving DMA Start Address Register */74#define RK_CRYPTO_HRDMAS 0x001c75/* Hash Receiving DMA Length Register */76#define RK_CRYPTO_HRDMAL 0x002077 78/* AES registers */79#define RK_CRYPTO_AES_CTRL 0x008080#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 0x008498#define RK_CRYPTO_AES_DONE BIT(0)99 100/* AES Input Data 0-3 Register */101#define RK_CRYPTO_AES_DIN_0 0x0088102#define RK_CRYPTO_AES_DIN_1 0x008c103#define RK_CRYPTO_AES_DIN_2 0x0090104#define RK_CRYPTO_AES_DIN_3 0x0094105 106/* AES output Data 0-3 Register */107#define RK_CRYPTO_AES_DOUT_0 0x0098108#define RK_CRYPTO_AES_DOUT_1 0x009c109#define RK_CRYPTO_AES_DOUT_2 0x00a0110#define RK_CRYPTO_AES_DOUT_3 0x00a4111 112/* AES IV Data 0-3 Register */113#define RK_CRYPTO_AES_IV_0 0x00a8114#define RK_CRYPTO_AES_IV_1 0x00ac115#define RK_CRYPTO_AES_IV_2 0x00b0116#define RK_CRYPTO_AES_IV_3 0x00b4117 118/* AES Key Data 0-3 Register */119#define RK_CRYPTO_AES_KEY_0 0x00b8120#define RK_CRYPTO_AES_KEY_1 0x00bc121#define RK_CRYPTO_AES_KEY_2 0x00c0122#define RK_CRYPTO_AES_KEY_3 0x00c4123#define RK_CRYPTO_AES_KEY_4 0x00c8124#define RK_CRYPTO_AES_KEY_5 0x00cc125#define RK_CRYPTO_AES_KEY_6 0x00d0126#define RK_CRYPTO_AES_KEY_7 0x00d4127 128/* des/tdes */129#define RK_CRYPTO_TDES_CTRL 0x0100130#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 0x0104146#define RK_CRYPTO_TDES_DONE BIT(0)147 148#define RK_CRYPTO_TDES_DIN_0 0x0108149#define RK_CRYPTO_TDES_DIN_1 0x010c150#define RK_CRYPTO_TDES_DOUT_0 0x0110151#define RK_CRYPTO_TDES_DOUT_1 0x0114152#define RK_CRYPTO_TDES_IV_0 0x0118153#define RK_CRYPTO_TDES_IV_1 0x011c154#define RK_CRYPTO_TDES_KEY1_0 0x0120155#define RK_CRYPTO_TDES_KEY1_1 0x0124156#define RK_CRYPTO_TDES_KEY2_0 0x0128157#define RK_CRYPTO_TDES_KEY2_1 0x012c158#define RK_CRYPTO_TDES_KEY3_0 0x0130159#define RK_CRYPTO_TDES_KEY3_1 0x0134160 161/* HASH */162#define RK_CRYPTO_HASH_CTRL 0x0180163#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 0x0184171#define RK_CRYPTO_HASH_DONE BIT(0)172 173#define RK_CRYPTO_HASH_MSG_LEN 0x0188174#define RK_CRYPTO_HASH_DOUT_0 0x018c175#define RK_CRYPTO_HASH_DOUT_1 0x0190176#define RK_CRYPTO_HASH_DOUT_2 0x0194177#define RK_CRYPTO_HASH_DOUT_3 0x0198178#define RK_CRYPTO_HASH_DOUT_4 0x019c179#define RK_CRYPTO_HASH_DOUT_5 0x01a0180#define RK_CRYPTO_HASH_DOUT_6 0x01a4181#define RK_CRYPTO_HASH_DOUT_7 0x01a8182 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 4189 190/*191 * struct rockchip_ip - struct for managing a list of RK crypto instance192 * @dev_list: Used for doing a list of rk_crypto_info193 * @lock: Control access to dev_list194 * @dbgfs_dir: Debugfs dentry for statistic directory195 * @dbgfs_stats: Debugfs dentry for statistic counters196 */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 end256};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#endif286