Linux-libre 4.5-gnu

1 files changed, 216 insertions, 0 deletions

diff --git a/drivers/crypto/rockchip/rk3288_crypto.h b/drivers/crypto/rockchip/rk3288_crypto.h
new file mode 100644
index 000000000..e499c2c6c
--- /dev/null
+++ b/drivers/crypto/rockchip/rk3288_crypto.h
@@ -0,0 +1,216 @@
+#ifndef __RK3288_CRYPTO_H__
+#define __RK3288_CRYPTO_H__
+
+#include <crypto/aes.h>
+#include <crypto/des.h>
+#include <crypto/algapi.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+
+#define _SBF(v, f)			((v) << (f))
+
+/* Crypto control registers*/
+#define RK_CRYPTO_INTSTS		0x0000
+#define RK_CRYPTO_PKA_DONE_INT		BIT(5)
+#define RK_CRYPTO_HASH_DONE_INT		BIT(4)
+#define RK_CRYPTO_HRDMA_ERR_INT		BIT(3)
+#define RK_CRYPTO_HRDMA_DONE_INT	BIT(2)
+#define RK_CRYPTO_BCDMA_ERR_INT		BIT(1)
+#define RK_CRYPTO_BCDMA_DONE_INT	BIT(0)
+
+#define RK_CRYPTO_INTENA		0x0004
+#define RK_CRYPTO_PKA_DONE_ENA		BIT(5)
+#define RK_CRYPTO_HASH_DONE_ENA		BIT(4)
+#define RK_CRYPTO_HRDMA_ERR_ENA		BIT(3)
+#define RK_CRYPTO_HRDMA_DONE_ENA	BIT(2)
+#define RK_CRYPTO_BCDMA_ERR_ENA		BIT(1)
+#define RK_CRYPTO_BCDMA_DONE_ENA	BIT(0)
+
+#define RK_CRYPTO_CTRL			0x0008
+#define RK_CRYPTO_WRITE_MASK		_SBF(0xFFFF, 16)
+#define RK_CRYPTO_TRNG_FLUSH		BIT(9)
+#define RK_CRYPTO_TRNG_START		BIT(8)
+#define RK_CRYPTO_PKA_FLUSH		BIT(7)
+#define RK_CRYPTO_HASH_FLUSH		BIT(6)
+#define RK_CRYPTO_BLOCK_FLUSH		BIT(5)
+#define RK_CRYPTO_PKA_START		BIT(4)
+#define RK_CRYPTO_HASH_START		BIT(3)
+#define RK_CRYPTO_BLOCK_START		BIT(2)
+#define RK_CRYPTO_TDES_START		BIT(1)
+#define RK_CRYPTO_AES_START		BIT(0)
+
+#define RK_CRYPTO_CONF			0x000c
+/* HASH Receive DMA Address Mode:   fix | increment */
+#define RK_CRYPTO_HR_ADDR_MODE		BIT(8)
+/* Block Transmit DMA Address Mode: fix | increment */
+#define RK_CRYPTO_BT_ADDR_MODE		BIT(7)
+/* Block Receive DMA Address Mode:  fix | increment */
+#define RK_CRYPTO_BR_ADDR_MODE		BIT(6)
+#define RK_CRYPTO_BYTESWAP_HRFIFO	BIT(5)
+#define RK_CRYPTO_BYTESWAP_BTFIFO	BIT(4)
+#define RK_CRYPTO_BYTESWAP_BRFIFO	BIT(3)
+/* AES = 0 OR DES = 1 */
+#define RK_CRYPTO_DESSEL				BIT(2)
+#define RK_CYYPTO_HASHINSEL_INDEPENDENT_SOURCE		_SBF(0x00, 0)
+#define RK_CYYPTO_HASHINSEL_BLOCK_CIPHER_INPUT		_SBF(0x01, 0)
+#define RK_CYYPTO_HASHINSEL_BLOCK_CIPHER_OUTPUT		_SBF(0x02, 0)
+
+/* Block Receiving DMA Start Address Register */
+#define RK_CRYPTO_BRDMAS		0x0010
+/* Block Transmitting DMA Start Address Register */
+#define RK_CRYPTO_BTDMAS		0x0014
+/* Block Receiving DMA Length Register */
+#define RK_CRYPTO_BRDMAL		0x0018
+/* Hash Receiving DMA Start Address Register */
+#define RK_CRYPTO_HRDMAS		0x001c
+/* Hash Receiving DMA Length Register */
+#define RK_CRYPTO_HRDMAL		0x0020
+
+/* AES registers */
+#define RK_CRYPTO_AES_CTRL			  0x0080
+#define RK_CRYPTO_AES_BYTESWAP_CNT	BIT(11)
+#define RK_CRYPTO_AES_BYTESWAP_KEY	BIT(10)
+#define RK_CRYPTO_AES_BYTESWAP_IV	BIT(9)
+#define RK_CRYPTO_AES_BYTESWAP_DO	BIT(8)
+#define RK_CRYPTO_AES_BYTESWAP_DI	BIT(7)
+#define RK_CRYPTO_AES_KEY_CHANGE	BIT(6)
+#define RK_CRYPTO_AES_ECB_MODE		_SBF(0x00, 4)
+#define RK_CRYPTO_AES_CBC_MODE		_SBF(0x01, 4)
+#define RK_CRYPTO_AES_CTR_MODE		_SBF(0x02, 4)
+#define RK_CRYPTO_AES_128BIT_key	_SBF(0x00, 2)
+#define RK_CRYPTO_AES_192BIT_key	_SBF(0x01, 2)
+#define RK_CRYPTO_AES_256BIT_key	_SBF(0x02, 2)
+/* Slave = 0 / fifo = 1 */
+#define RK_CRYPTO_AES_FIFO_MODE		BIT(1)
+/* Encryption = 0 , Decryption = 1 */
+#define RK_CRYPTO_AES_DEC		BIT(0)
+
+#define RK_CRYPTO_AES_STS		0x0084
+#define RK_CRYPTO_AES_DONE		BIT(0)
+
+/* AES Input Data 0-3 Register */
+#define RK_CRYPTO_AES_DIN_0		0x0088
+#define RK_CRYPTO_AES_DIN_1		0x008c
+#define RK_CRYPTO_AES_DIN_2		0x0090
+#define RK_CRYPTO_AES_DIN_3		0x0094
+
+/* AES output Data 0-3 Register */
+#define RK_CRYPTO_AES_DOUT_0		0x0098
+#define RK_CRYPTO_AES_DOUT_1		0x009c
+#define RK_CRYPTO_AES_DOUT_2		0x00a0
+#define RK_CRYPTO_AES_DOUT_3		0x00a4
+
+/* AES IV Data 0-3 Register */
+#define RK_CRYPTO_AES_IV_0		0x00a8
+#define RK_CRYPTO_AES_IV_1		0x00ac
+#define RK_CRYPTO_AES_IV_2		0x00b0
+#define RK_CRYPTO_AES_IV_3		0x00b4
+
+/* AES Key Data 0-3 Register */
+#define RK_CRYPTO_AES_KEY_0		0x00b8
+#define RK_CRYPTO_AES_KEY_1		0x00bc
+#define RK_CRYPTO_AES_KEY_2		0x00c0
+#define RK_CRYPTO_AES_KEY_3		0x00c4
+#define RK_CRYPTO_AES_KEY_4		0x00c8
+#define RK_CRYPTO_AES_KEY_5		0x00cc
+#define RK_CRYPTO_AES_KEY_6		0x00d0
+#define RK_CRYPTO_AES_KEY_7		0x00d4
+
+/* des/tdes */
+#define RK_CRYPTO_TDES_CTRL		0x0100
+#define RK_CRYPTO_TDES_BYTESWAP_KEY	BIT(8)
+#define RK_CRYPTO_TDES_BYTESWAP_IV	BIT(7)
+#define RK_CRYPTO_TDES_BYTESWAP_DO	BIT(6)
+#define RK_CRYPTO_TDES_BYTESWAP_DI	BIT(5)
+/* 0: ECB, 1: CBC */
+#define RK_CRYPTO_TDES_CHAINMODE_CBC	BIT(4)
+/* TDES Key Mode, 0 : EDE, 1 : EEE */
+#define RK_CRYPTO_TDES_EEE		BIT(3)
+/* 0: DES, 1:TDES */
+#define RK_CRYPTO_TDES_SELECT		BIT(2)
+/* 0: Slave, 1:Fifo */
+#define RK_CRYPTO_TDES_FIFO_MODE	BIT(1)
+/* Encryption = 0 , Decryption = 1 */
+#define RK_CRYPTO_TDES_DEC		BIT(0)
+
+#define RK_CRYPTO_TDES_STS		0x0104
+#define RK_CRYPTO_TDES_DONE		BIT(0)
+
+#define RK_CRYPTO_TDES_DIN_0		0x0108
+#define RK_CRYPTO_TDES_DIN_1		0x010c
+#define RK_CRYPTO_TDES_DOUT_0		0x0110
+#define RK_CRYPTO_TDES_DOUT_1		0x0114
+#define RK_CRYPTO_TDES_IV_0		0x0118
+#define RK_CRYPTO_TDES_IV_1		0x011c
+#define RK_CRYPTO_TDES_KEY1_0		0x0120
+#define RK_CRYPTO_TDES_KEY1_1		0x0124
+#define RK_CRYPTO_TDES_KEY2_0		0x0128
+#define RK_CRYPTO_TDES_KEY2_1		0x012c
+#define RK_CRYPTO_TDES_KEY3_0		0x0130
+#define RK_CRYPTO_TDES_KEY3_1		0x0134
+
+#define CRYPTO_READ(dev, offset)		  \
+		readl_relaxed(((dev)->reg + (offset)))
+#define CRYPTO_WRITE(dev, offset, val)	  \
+		writel_relaxed((val), ((dev)->reg + (offset)))
+
+struct rk_crypto_info {
+	struct device			*dev;
+	struct clk			*aclk;
+	struct clk			*hclk;
+	struct clk			*sclk;
+	struct clk			*dmaclk;
+	struct reset_control		*rst;
+	void __iomem			*reg;
+	int				irq;
+	struct crypto_queue		queue;
+	struct tasklet_struct		crypto_tasklet;
+	struct ablkcipher_request	*ablk_req;
+	/* device lock */
+	spinlock_t			lock;
+
+	/* the public variable */
+	struct scatterlist		*sg_src;
+	struct scatterlist		*sg_dst;
+	struct scatterlist		sg_tmp;
+	struct scatterlist		*first;
+	unsigned int			left_bytes;
+	void				*addr_vir;
+	int				aligned;
+	int				align_size;
+	size_t				nents;
+	unsigned int			total;
+	unsigned int			count;
+	u32				mode;
+	dma_addr_t			addr_in;
+	dma_addr_t			addr_out;
+	int (*start)(struct rk_crypto_info *dev);
+	int (*update)(struct rk_crypto_info *dev);
+	void (*complete)(struct rk_crypto_info *dev, int err);
+	int (*enable_clk)(struct rk_crypto_info *dev);
+	void (*disable_clk)(struct rk_crypto_info *dev);
+	int (*load_data)(struct rk_crypto_info *dev,
+			 struct scatterlist *sg_src,
+			 struct scatterlist *sg_dst);
+	void (*unload_data)(struct rk_crypto_info *dev);
+};
+
+/* the private variable of cipher */
+struct rk_cipher_ctx {
+	struct rk_crypto_info		*dev;
+	unsigned int			keylen;
+};
+
+struct rk_crypto_tmp {
+	struct rk_crypto_info *dev;
+	struct crypto_alg alg;
+};
+
+extern struct rk_crypto_tmp rk_ecb_aes_alg;
+extern struct rk_crypto_tmp rk_cbc_aes_alg;
+extern struct rk_crypto_tmp rk_ecb_des_alg;
+extern struct rk_crypto_tmp rk_cbc_des_alg;
+extern struct rk_crypto_tmp rk_ecb_des3_ede_alg;
+extern struct rk_crypto_tmp rk_cbc_des3_ede_alg;
+
+#endif