X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fcrypto%2Fgeode-aes.h;h=f1855b50da48d53cbc3e1f2d6d953529e56252d5;hb=74511bb340059be5a3fceb032213c7f325344694;hp=f47968671ae7cfede80dacbfbda8c1b236014d75;hpb=702ed6ef375c19d65f2eeeefd3851476f2c4cee4;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/crypto/geode-aes.h b/drivers/crypto/geode-aes.h
index f47968671ae..f1855b50da4 100644
--- a/drivers/crypto/geode-aes.h
+++ b/drivers/crypto/geode-aes.h
@@ -9,9 +9,9 @@
 #ifndef _GEODE_AES_H_
 #define _GEODE_AES_H_
 
-#define AES_KEY_LENGTH 16
+/* driver logic flags */
 #define AES_IV_LENGTH  16
-
+#define AES_KEY_LENGTH 16
 #define AES_MIN_BLOCK_SIZE 16
 
 #define AES_MODE_ECB 0
@@ -22,6 +22,38 @@
 
 #define AES_FLAGS_HIDDENKEY (1 << 0)
 
+/* Register definitions */
+
+#define AES_CTRLA_REG  0x0000
+
+#define AES_CTRL_START     0x01
+#define AES_CTRL_DECRYPT   0x00
+#define AES_CTRL_ENCRYPT   0x02
+#define AES_CTRL_WRKEY     0x04
+#define AES_CTRL_DCA       0x08
+#define AES_CTRL_SCA       0x10
+#define AES_CTRL_CBC       0x20
+
+#define AES_INTR_REG  0x0008
+
+#define AES_INTRA_PENDING (1 << 16)
+#define AES_INTRB_PENDING (1 << 17)
+
+#define AES_INTR_PENDING  (AES_INTRA_PENDING | AES_INTRB_PENDING)
+#define AES_INTR_MASK     0x07
+
+#define AES_SOURCEA_REG   0x0010
+#define AES_DSTA_REG      0x0014
+#define AES_LENA_REG      0x0018
+#define AES_WRITEKEY0_REG 0x0030
+#define AES_WRITEIV0_REG  0x0040
+
+/*  A very large counter that is used to gracefully bail out of an
+ *  operation in case of trouble
+ */
+
+#define AES_OP_TIMEOUT    0x50000
+
 struct geode_aes_op {
 
 	void *src;
@@ -33,7 +65,13 @@ struct geode_aes_op {
 	int len;
 
 	u8 key[AES_KEY_LENGTH];
-	u8 iv[AES_IV_LENGTH];
+	u8 *iv;
+
+	union {
+		struct crypto_blkcipher *blk;
+		struct crypto_cipher *cip;
+	} fallback;
+	u32 keylen;
 };
 
 #endif