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/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
184struct 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 */
230struct 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 */
237struct rk_ahash_rctx {
238 struct ahash_request fallback_req;
239 u32 mode;
240};
241
242/* the private variable of cipher */
243struct rk_cipher_ctx {
244 struct rk_crypto_info *dev;
245 unsigned int keylen;
246 u32 mode;
247};
248
249enum alg_type {
250 ALG_TYPE_HASH,
251 ALG_TYPE_CIPHER,
252};
253
254struct 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
263extern struct rk_crypto_tmp rk_ecb_aes_alg;
264extern struct rk_crypto_tmp rk_cbc_aes_alg;
265extern struct rk_crypto_tmp rk_ecb_des_alg;
266extern struct rk_crypto_tmp rk_cbc_des_alg;
267extern struct rk_crypto_tmp rk_ecb_des3_ede_alg;
268extern struct rk_crypto_tmp rk_cbc_des3_ede_alg;
269
270extern struct rk_crypto_tmp rk_ahash_sha1;
271extern struct rk_crypto_tmp rk_ahash_sha256;
272extern struct rk_crypto_tmp rk_ahash_md5;
273
274#endif