Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

[pandora-kernel.git] / drivers / crypto / geode-aes.h

diff --git a/drivers/crypto/geode-aes.h b/drivers/crypto/geode-aes.h
index 8003a36..f1855b5 100644 (file)
--- 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
@@ -20,8 +20,39 @@
 #define AES_DIR_DECRYPT 0
 #define AES_DIR_ENCRYPT 1
 
-#define AES_FLAGS_USRKEY   (1 << 0)
-#define AES_FLAGS_COHERENT (1 << 1)
+#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 {
 
@@ -34,7 +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