/*      $NetBSD: rk_v1crypto.h,v 1.1 2020/05/17 19:57:25 riastradh Exp $        */

/*-
 * Copyright (c) 2020 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Taylor R. Campbell.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _ARM_ROCKCHIP_RK_V1CRYPTO_H
#define _ARM_ROCKCHIP_RK_V1CRYPTO_H

#define RK_V1CRYPTO_INTSTS      0x0000 /* Interrupt Status */
#define RK_V1CRYPTO_INTSTS_PKA_DONE     __BIT(5)
#define RK_V1CRYPTO_INTSTS_HASH_DONE    __BIT(4)
#define RK_V1CRYPTO_INTSTS_HRDMA_ERR    __BIT(3)
#define RK_V1CRYPTO_INTSTS_HRDMA_DONE   __BIT(2)
#define RK_V1CRYPTO_INTSTS_BCDMA_ERR    __BIT(1)
#define RK_V1CRYPTO_INTSTS_BCDMA_DONE   __BIT(0)

#define RK_V1CRYPTO_INTENA      0x0004 /* Interrupt Enable */
#define RK_V1CRYPTO_INTENA_PKA_DONE     __BIT(5)
#define RK_V1CRYPTO_INTENA_HASH_DONE    __BIT(4)
#define RK_V1CRYPTO_INTENA_HRDMA_ERR    __BIT(3)
#define RK_V1CRYPTO_INTENA_HRDMA_DONE   __BIT(2)
#define RK_V1CRYPTO_INTENA_BCDMA_ERR    __BIT(1)
#define RK_V1CRYPTO_INTENA_BCDMA_DONE   __BIT(0)

#define RK_V1CRYPTO_CTRL        0x0008 /* Control */
#define RK_V1CRYPTO_CTRL_MASK           __BITS(31,16)
#define RK_V1CRYPTO_CTRL_TRNG_FLUSH     __BIT(9)
#define RK_V1CRYPTO_CTRL_TRNG_START     __BIT(8)
#define RK_V1CRYPTO_CTRL_PKA_FLUSH      __BIT(7)
#define RK_V1CRYPTO_CTRL_HASH_FLUSH     __BIT(6)
#define RK_V1CRYPTO_CTRL_BLOCK_FLUSH    __BIT(5)
#define RK_V1CRYPTO_CTRL_PKA_START      __BIT(4)
#define RK_V1CRYPTO_CTRL_HASH_START     __BIT(3)
#define RK_V1CRYPTO_CTRL_BLOCK_START    __BIT(2)
#define RK_V1CRYPTO_CTRL_TDES_START     __BIT(1)
#define RK_V1CRYPTO_CTRL_AES_START      __BIT(0)

#define RK_V1CRYPTO_CONF        0x000c /* ? */
#define RK_V1CRYPTO_CONF_HR_ADDR_MODE   __BIT(8)
#define RK_V1CRYPTO_CONF_BT_ADDR_MODE   __BIT(7)
#define RK_V1CRYPTO_CONF_BR_ADDR_MODE   __BIT(6)
#define RK_V1CRYPTO_CONF_MODE_FIX               1
#define RK_V1CRYPTO_CONF_MODE_INCR              0
#define RK_V1CRYPTO_CONF_BYTESWAP_HRFIFO __BIT(5)
#define RK_V1CRYPTO_CONF_BYTESWAP_BTFIFO __BIT(4)
#define RK_V1CRYPTO_CONF_BYTESWAP_BRFIFO __BIT(3)
#define RK_V1CRYPTO_CONF_DESSEL         __BIT(2)
#define RK_V1CRYPTO_CONF_DESSEL_AES             0
#define RK_V1CRYPTO_CONF_DESSEL_DES             1 /* 3DES? */
#define RK_V1CRYPTO_CONF_HASHINSEL      __BITS(1,0)
#define RK_V1CRYPTO_CONF_HASHINSEL_INDEP        0
#define RK_V1CRYPTO_CONF_HASHINSEL_BLKIN        1
#define RK_V1CRYPTO_CONF_HASHINSEL_BLKOUT       2

#define RK_V1CRYPTO_BRDMAS      0x0010 /* Block Rx DMA Start */
#define RK_V1CRYPTO_BTDMAS      0x0014 /* Block Tx DMA Start */
#define RK_V1CRYPTO_BRDMAL      0x0018 /* Block Rx DMA Length */
#define RK_V1CRYPTO_BTDMAL      0x0020 /* Block Tx DMA Length */
#define RK_V1CRYPTO_HRDMAS      0x001c /* Hash Rx DMA Start */
#define RK_V1CRYPTO_HRDMAL      0x0020 /* Hash Rx DMA Length */

#define RK_V1CRYPTO_AES_CTRL    0x0080 /* AES Control */
#define RK_V1CRYPTO_AES_CTRL_BYTESWAP_CNT __BIT(11)
#define RK_V1CRYPTO_AES_CTRL_BYTESWAP_KEY __BIT(10)
#define RK_V1CRYPTO_AES_CTRL_BYTESWAP_IV __BIT(9)
#define RK_V1CRYPTO_AES_CTRL_BYTESWAP_DO __BIT(8)
#define RK_V1CRYPTO_AES_CTRL_BYTESWAP_DI __BIT(7)
#define RK_V1CRYPTO_AES_CTRL_KEYCHANGE  __BIT(6)
#define RK_V1CRYPTO_AES_CTRL_MODE       __BITS(5,4)
#define RK_V1CRYPTO_AES_CTRL_MODE_ECB           0
#define RK_V1CRYPTO_AES_CTRL_MODE_CBC           1
#define RK_V1CRYPTO_AES_CTRL_MODE_CTR           2
#define RK_V1CRYPTO_AES_CTRL_KEYSIZE    __BITS(3,2)
#define RK_V1CRYPTO_AES_CTRL_KEYSIZE_128        0
#define RK_V1CRYPTO_AES_CTRL_KEYSIZE_192        1
#define RK_V1CRYPTO_AES_CTRL_KEYSIZE_256        2
#define RK_V1CRYPTO_AES_CTRL_FIFOMODE   __BIT(1)
#define RK_V1CRYPTO_AES_CTRL_DIR        __BIT(0)
#define RK_V1CRYPTO_AES_CTRL_DIR_ENC            0
#define RK_V1CRYPTO_AES_CTRL_DIR_DEC            1

#define RK_V1CRYPTO_AES_STS     0x0084 /* AES Status */
#define RK_V1CRYPTO_AES_STS_DONE        __BIT(0)

#define RK_V1CRYPTO_AES_DIN(n)  (0x0088 + 4*(n)) /* AES Input */
#define RK_V1CRYPTO_AES_DOUT(n) (0x0098 + 4*(n)) /* AES Output */
#define RK_V1CRYPTO_AES_IV(n)   (0x00a8 + 4*(n)) /* AES IV */
#define RK_V1CRYPTO_AES_KEY(n)  (0x00b8 + 4*(n)) /* AES Key */
#define RK_V1CRYPTO_AES_CNT(n)  (0x00d8 + 4*(n)) /* AES Input Counter */

#define RK_V1CRYPTO_TDES_CTRL   0x0100 /* 3DES Control */
#define RK_V1CRYPTO_TDES_CTRL_BYTESWAP_KEY __BIT(8)
#define RK_V1CRYPTO_TDES_CTRL_BYTESWAP_IV __BIT(7)
#define RK_V1CRYPTO_TDES_CTRL_BYTESWAP_DO __BIT(6)
#define RK_V1CRYPTO_TDES_CTRL_BYTESWAP_DI __BIT(5)
#define RK_V1CRYPTO_TDES_CTRL_MODE      __BIT(4)
#define RK_V1CRYPTO_TDES_CTRL_MODE_ECB          0
#define RK_V1CRYPTO_TDES_CTRL_MODE_CBC          1
#define RK_V1CRYPTO_TDES_CTRL_KEYMODE   __BIT(3)
#define RK_V1CRYPTO_TDES_CTRL_KEYMODE_EDE       0
#define RK_V1CRYPTO_TDES_CTRL_KEYMODE_EEE       1
#define RK_V1CRYPTO_TDES_CTRL_SELECT    __BIT(2)
#define RK_V1CRYPTO_TDES_CTRL_SELECT_DES        0
#define RK_V1CRYPTO_TDES_CTRL_SELECT_TDES       1
#define RK_V1CRYPTO_TDES_CTRL_FIFOMODE  __BIT(1)
#define RK_V1CRYPTO_TDES_CTRL_DIR       __BIT(0)
#define RK_V1CRYPTO_TDES_CTRL_DIR_ENC           0
#define RK_V1CRYPTO_TDES_CTRL_DIR_DEC           1

#define RK_V1CRYPTO_TDES_STS    0x0104 /* 3DES Status */
#define RK_V1CRYPTO_TDES_STS_DONE       __BIT(0)

#define RK_V1CRYPTO_TDES_DIN(n) (0x0108 + 4*(n)) /* 3DES Input */
#define RK_V1CRYPTO_TDES_DOUT(n)(0x0110 + 4*(n)) /* 3DES Output */
#define RK_V1CRYPTO_TDES_IV(n)  (0x0118 + 4*(n)) /* 3DES IV */
#define RK_V1CRYPTO_TDES_KEY(n) (0x0120 + 4*(n)) /* 3DES Key(1,2,3) */

#define RK_V1CRYPTO_HASH_CTRL   0x0180 /* Hash Control */
#define RK_V1CRYPTO_HASH_SWAP_DO        __BIT(3)
#define RK_V1CRYPTO_HASH_SWAP_DI        __BIT(2)
#define RK_V1CRYPTO_HASH_SELECT         __BITS(1,0)
#define RK_V1CRYPTO_HASH_SELECT_SHA1            0
#define RK_V1CRYPTO_HASH_SELECT_MD5             1
#define RK_V1CRYPTO_HASH_SELECT_SHA256          2
#define RK_V1CRYPTO_HASH_SELECT_PRNG            3 /* ??? */

#define RK_V1CRYPTO_HASH_STS    0x0184 /* Hash Status */
#define RK_V1CRYPTO_HASH_STS_DONE       __BIT(0)

#define RK_V1CRYPTO_HASH_MSG_LEN        0x0188 /* Hash Message Len */
#define RK_V1CRYPTO_HASH_DOUT(n)(0x018c + 4*(n)) /* Hash Result */
#define RK_V1CRYPTO_HASH_SEED(n)(0x01ac + 4*(n)) /* HMAC/PRNG key */

#define RK_V1CRYPTO_TRNG_CTRL   0x0200 /* TRNG Control */
#define RK_V1CRYPTO_TRNG_CTRL_OSC_ENABLE __BIT(16)
#define RK_V1CRYPTO_TRNG_CTRL_CYCLES    __BITS(15,0)

#define RK_V1CRYPTO_TRNG_DOUT(n)(0x0204 + 4*(n)) /* TRNG Output */
#define RK_V1CRYPTO_TRNG_NOUT           8       /* up to 8 32-bit */

#define RK_V1CRYPTO_PKA_CTRL    0x0280 /* PKA Control (RSA?) */
#define RK_V1CRYPTO_PKA_CTRL_SIZE       __BITS(1,0)
#define RK_V1CRYPTO_PKA_CTRL_SIZE_512           0
#define RK_V1CRYPTO_PKA_CTRL_SIZE_1024          1
#define RK_V1CRYPTO_PKA_CTRL_SIZE_2048          2

#define RK_V1CRYPTO_M           0x0400 /* RSA `message' */
#define RK_V1CRYPTO_C           0x0500 /* 2^(2 ceil(lg n) + 2) mod n */
#define RK_V1CRYPTO_N           0x0600 /* RSA modulus? */
#define RK_V1CRYPTO_E           0x0700 /* RSA exponent? */

#endif  /* _ARM_ROCKCHIP_RK_V1CRYPTO_H */