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