diff options
Diffstat (limited to 'drivers/crypto/starfive/jh7110-cryp.h')
| -rw-r--r-- | drivers/crypto/starfive/jh7110-cryp.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/drivers/crypto/starfive/jh7110-cryp.h b/drivers/crypto/starfive/jh7110-cryp.h new file mode 100644 index 000000000000..0cdcffc0d7d4 --- /dev/null +++ b/drivers/crypto/starfive/jh7110-cryp.h @@ -0,0 +1,172 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __STARFIVE_STR_H__ +#define __STARFIVE_STR_H__ + +#include <linux/delay.h> +#include <linux/dma-mapping.h> +#include <linux/dmaengine.h> + +#include <crypto/engine.h> +#include <crypto/sha2.h> +#include <crypto/sm3.h> + +#define STARFIVE_ALG_CR_OFFSET 0x0 +#define STARFIVE_ALG_FIFO_OFFSET 0x4 +#define STARFIVE_IE_MASK_OFFSET 0x8 +#define STARFIVE_IE_FLAG_OFFSET 0xc +#define STARFIVE_DMA_IN_LEN_OFFSET 0x10 +#define STARFIVE_DMA_OUT_LEN_OFFSET 0x14 + +#define STARFIVE_IE_MASK_HASH_DONE 0x4 +#define STARFIVE_IE_MASK_PKA_DONE 0x8 +#define STARFIVE_IE_FLAG_HASH_DONE 0x4 +#define STARFIVE_IE_FLAG_PKA_DONE 0x8 + +#define STARFIVE_MSG_BUFFER_SIZE SZ_16K +#define MAX_KEY_SIZE SHA512_BLOCK_SIZE + +union starfive_hash_csr { + u32 v; + struct { + u32 start :1; + u32 reset :1; + u32 ie :1; + u32 firstb :1; +#define STARFIVE_HASH_SM3 0x0 +#define STARFIVE_HASH_SHA224 0x3 +#define STARFIVE_HASH_SHA256 0x4 +#define STARFIVE_HASH_SHA384 0x5 +#define STARFIVE_HASH_SHA512 0x6 +#define STARFIVE_HASH_MODE_MASK 0x7 + u32 mode :3; + u32 rsvd_1 :1; + u32 final :1; + u32 rsvd_2 :2; +#define STARFIVE_HASH_HMAC_FLAGS 0x800 + u32 hmac :1; + u32 rsvd_3 :1; +#define STARFIVE_HASH_KEY_DONE BIT(13) + u32 key_done :1; + u32 key_flag :1; + u32 hmac_done :1; +#define STARFIVE_HASH_BUSY BIT(16) + u32 busy :1; + u32 hashdone :1; + u32 rsvd_4 :14; + }; +}; + +union starfive_pka_cacr { + u32 v; + struct { + u32 start :1; + u32 reset :1; + u32 ie :1; + u32 rsvd_0 :1; + u32 fifo_mode :1; + u32 not_r2 :1; + u32 ecc_sub :1; + u32 pre_expf :1; + u32 cmd :4; + u32 rsvd_1 :1; + u32 ctrl_dummy :1; + u32 ctrl_false :1; + u32 cln_done :1; + u32 opsize :6; + u32 rsvd_2 :2; + u32 exposize :6; + u32 rsvd_3 :1; + u32 bigendian :1; + }; +}; + +struct starfive_rsa_key { + u8 *n; + u8 *e; + u8 *d; + int e_bitlen; + int d_bitlen; + int bitlen; + size_t key_sz; +}; + +union starfive_alg_cr { + u32 v; + struct { + u32 start :1; + u32 aes_dma_en :1; + u32 rsvd_0 :1; + u32 hash_dma_en :1; + u32 alg_done :1; + u32 rsvd_1 :3; + u32 clear :1; + u32 rsvd_2 :23; + }; +}; + +struct starfive_cryp_ctx { + struct crypto_engine_ctx enginectx; + struct starfive_cryp_dev *cryp; + struct starfive_cryp_request_ctx *rctx; + + unsigned int hash_mode; + u8 key[MAX_KEY_SIZE]; + int keylen; + bool is_hmac; + struct starfive_rsa_key rsa_key; + struct crypto_akcipher *akcipher_fbk; + struct crypto_ahash *ahash_fbk; +}; + +struct starfive_cryp_dev { + struct list_head list; + struct device *dev; + struct clk *hclk; + struct clk *ahb; + struct reset_control *rst; + + void __iomem *base; + phys_addr_t phys_base; + + u32 dma_maxburst; + struct dma_chan *tx; + struct dma_chan *rx; + struct dma_slave_config cfg_in; + struct dma_slave_config cfg_out; + struct crypto_engine *engine; + struct tasklet_struct hash_done; + struct completion pka_done; + int err; + union starfive_alg_cr alg_cr; + union { + struct ahash_request *hreq; + } req; +}; + +struct starfive_cryp_request_ctx { + union { + union starfive_hash_csr hash; + union starfive_pka_cacr pka; + } csr; + + struct scatterlist *in_sg; + struct scatterlist *out_sg; + struct ahash_request ahash_fbk_req; + size_t total; + size_t nents; + unsigned int blksize; + unsigned int digsize; + unsigned long in_sg_len; + u8 rsa_data[] __aligned(sizeof(u32)); +}; + +struct starfive_cryp_dev *starfive_cryp_find_dev(struct starfive_cryp_ctx *ctx); + +int starfive_hash_register_algs(void); +void starfive_hash_unregister_algs(void); + +int starfive_rsa_register_algs(void); +void starfive_rsa_unregister_algs(void); + +void starfive_hash_done_task(unsigned long param); +#endif |