drivers/crypto/rockchip/rk3288_crypto.h

   1 #ifndef __RK3288_CRYPTO_H__
   2 #define __RK3288_CRYPTO_H__
   3
   4 #include <crypto/aes.h>
   5 #include <crypto/des.h>
   6 #include <crypto/algapi.h>
   7 #include <linux/interrupt.h>
   8 #include <linux/delay.h>
   9
  10 #define _SBF(v, f)                      ((v) << (f))
  11
  12 /* Crypto control registers*/
  13 #define RK_CRYPTO_INTSTS                0x0000
  14 #define RK_CRYPTO_PKA_DONE_INT          BIT(5)
  15 #define RK_CRYPTO_HASH_DONE_INT         BIT(4)
  16 #define RK_CRYPTO_HRDMA_ERR_INT         BIT(3)
  17 #define RK_CRYPTO_HRDMA_DONE_INT        BIT(2)
  18 #define RK_CRYPTO_BCDMA_ERR_INT         BIT(1)
  19 #define RK_CRYPTO_BCDMA_DONE_INT        BIT(0)
  20
  21 #define RK_CRYPTO_INTENA                0x0004
  22 #define RK_CRYPTO_PKA_DONE_ENA          BIT(5)
  23 #define RK_CRYPTO_HASH_DONE_ENA         BIT(4)
  24 #define RK_CRYPTO_HRDMA_ERR_ENA         BIT(3)
  25 #define RK_CRYPTO_HRDMA_DONE_ENA        BIT(2)
  26 #define RK_CRYPTO_BCDMA_ERR_ENA         BIT(1)
  27 #define RK_CRYPTO_BCDMA_DONE_ENA        BIT(0)
  28
  29 #define RK_CRYPTO_CTRL                  0x0008
  30 #define RK_CRYPTO_WRITE_MASK            _SBF(0xFFFF, 16)
  31 #define RK_CRYPTO_TRNG_FLUSH            BIT(9)
  32 #define RK_CRYPTO_TRNG_START            BIT(8)
  33 #define RK_CRYPTO_PKA_FLUSH             BIT(7)
  34 #define RK_CRYPTO_HASH_FLUSH            BIT(6)
  35 #define RK_CRYPTO_BLOCK_FLUSH           BIT(5)
  36 #define RK_CRYPTO_PKA_START             BIT(4)
  37 #define RK_CRYPTO_HASH_START            BIT(3)
  38 #define RK_CRYPTO_BLOCK_START           BIT(2)
  39 #define RK_CRYPTO_TDES_START            BIT(1)
  40 #define RK_CRYPTO_AES_START             BIT(0)
  41
  42 #define RK_CRYPTO_CONF                  0x000c
  43 /* HASH Receive DMA Address Mode:   fix | increment */
  44 #define RK_CRYPTO_HR_ADDR_MODE          BIT(8)
  45 /* Block Transmit DMA Address Mode: fix | increment */
  46 #define RK_CRYPTO_BT_ADDR_MODE          BIT(7)
  47 /* Block Receive DMA Address Mode:  fix | increment */
  48 #define RK_CRYPTO_BR_ADDR_MODE          BIT(6)
  49 #define RK_CRYPTO_BYTESWAP_HRFIFO       BIT(5)
  50 #define RK_CRYPTO_BYTESWAP_BTFIFO       BIT(4)
  51 #define RK_CRYPTO_BYTESWAP_BRFIFO       BIT(3)
  52 /* AES = 0 OR DES = 1 */
  53 #define RK_CRYPTO_DESSEL                                BIT(2)
  54 #define RK_CYYPTO_HASHINSEL_INDEPENDENT_SOURCE          _SBF(0x00, 0)
  55 #define RK_CYYPTO_HASHINSEL_BLOCK_CIPHER_INPUT          _SBF(0x01, 0)
  56 #define RK_CYYPTO_HASHINSEL_BLOCK_CIPHER_OUTPUT         _SBF(0x02, 0)
  57
  58 /* Block Receiving DMA Start Address Register */
  59 #define RK_CRYPTO_BRDMAS                0x0010
  60 /* Block Transmitting DMA Start Address Register */
  61 #define RK_CRYPTO_BTDMAS                0x0014
  62 /* Block Receiving DMA Length Register */
  63 #define RK_CRYPTO_BRDMAL                0x0018
  64 /* Hash Receiving DMA Start Address Register */
  65 #define RK_CRYPTO_HRDMAS                0x001c
  66 /* Hash Receiving DMA Length Register */
  67 #define RK_CRYPTO_HRDMAL                0x0020
  68
  69 /* AES registers */
  70 #define RK_CRYPTO_AES_CTRL                        0x0080
  71 #define RK_CRYPTO_AES_BYTESWAP_CNT      BIT(11)
  72 #define RK_CRYPTO_AES_BYTESWAP_KEY      BIT(10)
  73 #define RK_CRYPTO_AES_BYTESWAP_IV       BIT(9)
  74 #define RK_CRYPTO_AES_BYTESWAP_DO       BIT(8)
  75 #define RK_CRYPTO_AES_BYTESWAP_DI       BIT(7)
  76 #define RK_CRYPTO_AES_KEY_CHANGE        BIT(6)
  77 #define RK_CRYPTO_AES_ECB_MODE          _SBF(0x00, 4)
  78 #define RK_CRYPTO_AES_CBC_MODE          _SBF(0x01, 4)
  79 #define RK_CRYPTO_AES_CTR_MODE          _SBF(0x02, 4)
  80 #define RK_CRYPTO_AES_128BIT_key        _SBF(0x00, 2)
  81 #define RK_CRYPTO_AES_192BIT_key        _SBF(0x01, 2)
  82 #define RK_CRYPTO_AES_256BIT_key        _SBF(0x02, 2)
  83 /* Slave = 0 / fifo = 1 */
  84 #define RK_CRYPTO_AES_FIFO_MODE         BIT(1)
  85 /* Encryption = 0 , Decryption = 1 */
  86 #define RK_CRYPTO_AES_DEC               BIT(0)
  87
  88 #define RK_CRYPTO_AES_STS               0x0084
  89 #define RK_CRYPTO_AES_DONE              BIT(0)
  90
  91 /* AES Input Data 0-3 Register */
  92 #define RK_CRYPTO_AES_DIN_0             0x0088
  93 #define RK_CRYPTO_AES_DIN_1             0x008c
  94 #define RK_CRYPTO_AES_DIN_2             0x0090
  95 #define RK_CRYPTO_AES_DIN_3             0x0094
  96
  97 /* AES output Data 0-3 Register */
  98 #define RK_CRYPTO_AES_DOUT_0            0x0098
  99 #define RK_CRYPTO_AES_DOUT_1            0x009c
 100 #define RK_CRYPTO_AES_DOUT_2            0x00a0
 101 #define RK_CRYPTO_AES_DOUT_3            0x00a4
 102
 103 /* AES IV Data 0-3 Register */
 104 #define RK_CRYPTO_AES_IV_0              0x00a8
 105 #define RK_CRYPTO_AES_IV_1              0x00ac
 106 #define RK_CRYPTO_AES_IV_2              0x00b0
 107 #define RK_CRYPTO_AES_IV_3              0x00b4
 108
 109 /* AES Key Data 0-3 Register */
 110 #define RK_CRYPTO_AES_KEY_0             0x00b8
 111 #define RK_CRYPTO_AES_KEY_1             0x00bc
 112 #define RK_CRYPTO_AES_KEY_2             0x00c0
 113 #define RK_CRYPTO_AES_KEY_3             0x00c4
 114 #define RK_CRYPTO_AES_KEY_4             0x00c8
 115 #define RK_CRYPTO_AES_KEY_5             0x00cc
 116 #define RK_CRYPTO_AES_KEY_6             0x00d0
 117 #define RK_CRYPTO_AES_KEY_7             0x00d4
 118
 119 /* des/tdes */
 120 #define RK_CRYPTO_TDES_CTRL             0x0100
 121 #define RK_CRYPTO_TDES_BYTESWAP_KEY     BIT(8)
 122 #define RK_CRYPTO_TDES_BYTESWAP_IV      BIT(7)
 123 #define RK_CRYPTO_TDES_BYTESWAP_DO      BIT(6)
 124 #define RK_CRYPTO_TDES_BYTESWAP_DI      BIT(5)
 125 /* 0: ECB, 1: CBC */
 126 #define RK_CRYPTO_TDES_CHAINMODE_CBC    BIT(4)
 127 /* TDES Key Mode, 0 : EDE, 1 : EEE */
 128 #define RK_CRYPTO_TDES_EEE              BIT(3)
 129 /* 0: DES, 1:TDES */
 130 #define RK_CRYPTO_TDES_SELECT           BIT(2)
 131 /* 0: Slave, 1:Fifo */
 132 #define RK_CRYPTO_TDES_FIFO_MODE        BIT(1)
 133 /* Encryption = 0 , Decryption = 1 */
 134 #define RK_CRYPTO_TDES_DEC              BIT(0)
 135
 136 #define RK_CRYPTO_TDES_STS              0x0104
 137 #define RK_CRYPTO_TDES_DONE             BIT(0)
 138
 139 #define RK_CRYPTO_TDES_DIN_0            0x0108
 140 #define RK_CRYPTO_TDES_DIN_1            0x010c
 141 #define RK_CRYPTO_TDES_DOUT_0           0x0110
 142 #define RK_CRYPTO_TDES_DOUT_1           0x0114
 143 #define RK_CRYPTO_TDES_IV_0             0x0118
 144 #define RK_CRYPTO_TDES_IV_1             0x011c
 145 #define RK_CRYPTO_TDES_KEY1_0           0x0120
 146 #define RK_CRYPTO_TDES_KEY1_1           0x0124
 147 #define RK_CRYPTO_TDES_KEY2_0           0x0128
 148 #define RK_CRYPTO_TDES_KEY2_1           0x012c
 149 #define RK_CRYPTO_TDES_KEY3_0           0x0130
 150 #define RK_CRYPTO_TDES_KEY3_1           0x0134
 151
 152 #define CRYPTO_READ(dev, offset)                  \
 153                 readl_relaxed(((dev)->reg + (offset)))
 154 #define CRYPTO_WRITE(dev, offset, val)    \
 155                 writel_relaxed((val), ((dev)->reg + (offset)))
 156
 157 struct rk_crypto_info {
 158         struct device                   *dev;
 159         struct clk                      *aclk;
 160         struct clk                      *hclk;
 161         struct clk                      *sclk;
 162         struct clk                      *dmaclk;
 163         struct reset_control            *rst;
 164         void __iomem                    *reg;
 165         int                             irq;
 166         struct crypto_queue             queue;
 167         struct tasklet_struct           crypto_tasklet;
 168         struct ablkcipher_request       *ablk_req;
 169         /* device lock */
 170         spinlock_t                      lock;
 171
 172         /* the public variable */
 173         struct scatterlist              *sg_src;
 174         struct scatterlist              *sg_dst;
 175         struct scatterlist              sg_tmp;
 176         struct scatterlist              *first;
 177         unsigned int                    left_bytes;
 178         void                            *addr_vir;
 179         int                             aligned;
 180         int                             align_size;
 181         size_t                          nents;
 182         unsigned int                    total;
 183         unsigned int                    count;
 184         u32                             mode;
 185         dma_addr_t                      addr_in;
 186         dma_addr_t                      addr_out;
 187         int (*start)(struct rk_crypto_info *dev);
 188         int (*update)(struct rk_crypto_info *dev);
 189         void (*complete)(struct rk_crypto_info *dev, int err);
 190         int (*enable_clk)(struct rk_crypto_info *dev);
 191         void (*disable_clk)(struct rk_crypto_info *dev);
 192         int (*load_data)(struct rk_crypto_info *dev,
 193                          struct scatterlist *sg_src,
 194                          struct scatterlist *sg_dst);
 195         void (*unload_data)(struct rk_crypto_info *dev);
 196 };
 197
 198 /* the private variable of cipher */
 199 struct rk_cipher_ctx {
 200         struct rk_crypto_info           *dev;
 201         unsigned int                    keylen;
 202 };
 203
 204 struct rk_crypto_tmp {
 205         struct rk_crypto_info *dev;
 206         struct crypto_alg alg;
 207 };
 208
 209 extern struct rk_crypto_tmp rk_ecb_aes_alg;
 210 extern struct rk_crypto_tmp rk_cbc_aes_alg;
 211 extern struct rk_crypto_tmp rk_ecb_des_alg;
 212 extern struct rk_crypto_tmp rk_cbc_des_alg;
 213 extern struct rk_crypto_tmp rk_ecb_des3_ede_alg;
 214 extern struct rk_crypto_tmp rk_cbc_des3_ede_alg;
 215
 216 #endif