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