crypto: mediatek - remove obsolete driver

The crypto mediatek driver has been replaced by the inside-secure
driver now. Remove this driver to avoid having duplicate drivers.

Signed-off-by: Vic Wu <vic.wu@mediatek.com>
Acked-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 0 insertions, 231 deletions

diff --git a/drivers/crypto/mediatek/mtk-platform.h b/drivers/crypto/mediatek/mtk-platform.h
deleted file mode 100644
index 47920c51abac..000000000000
--- a/drivers/crypto/mediatek/mtk-platform.h
+++ /dev/null
@@ -1,231 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Driver for EIP97 cryptographic accelerator.
- *
- * Copyright (c) 2016 Ryder Lee <ryder.lee@mediatek.com>
- */
-
-#ifndef __MTK_PLATFORM_H_
-#define __MTK_PLATFORM_H_
-
-#include <crypto/algapi.h>
-#include <crypto/internal/aead.h>
-#include <crypto/internal/hash.h>
-#include <crypto/scatterwalk.h>
-#include <crypto/skcipher.h>
-#include <linux/crypto.h>
-#include <linux/dma-mapping.h>
-#include <linux/interrupt.h>
-#include <linux/scatterlist.h>
-#include "mtk-regs.h"
-
-#define MTK_RDR_PROC_THRESH	BIT(0)
-#define MTK_RDR_PROC_MODE	BIT(23)
-#define MTK_CNT_RST		BIT(31)
-#define MTK_IRQ_RDR0		BIT(1)
-#define MTK_IRQ_RDR1		BIT(3)
-#define MTK_IRQ_RDR2		BIT(5)
-#define MTK_IRQ_RDR3		BIT(7)
-
-#define SIZE_IN_WORDS(x)	((x) >> 2)
-
-/**
- * Ring 0/1 are used by AES encrypt and decrypt.
- * Ring 2/3 are used by SHA.
- */
-enum {
-	MTK_RING0,
-	MTK_RING1,
-	MTK_RING2,
-	MTK_RING3,
-	MTK_RING_MAX
-};
-
-#define MTK_REC_NUM		(MTK_RING_MAX / 2)
-#define MTK_IRQ_NUM		5
-
-/**
- * struct mtk_desc - DMA descriptor
- * @hdr:	the descriptor control header
- * @buf:	DMA address of input buffer segment
- * @ct:		DMA address of command token that control operation flow
- * @ct_hdr:	the command token control header
- * @tag:	the user-defined field
- * @tfm:	DMA address of transform state
- * @bound:	align descriptors offset boundary
- *
- * Structure passed to the crypto engine to describe where source
- * data needs to be fetched and how it needs to be processed.
- */
-struct mtk_desc {
-	__le32 hdr;
-	__le32 buf;
-	__le32 ct;
-	__le32 ct_hdr;
-	__le32 tag;
-	__le32 tfm;
-	__le32 bound[2];
-};
-
-#define MTK_DESC_NUM		512
-#define MTK_DESC_OFF		SIZE_IN_WORDS(sizeof(struct mtk_desc))
-#define MTK_DESC_SZ		(MTK_DESC_OFF - 2)
-#define MTK_DESC_RING_SZ	((sizeof(struct mtk_desc) * MTK_DESC_NUM))
-#define MTK_DESC_CNT(x)		((MTK_DESC_OFF * (x)) << 2)
-#define MTK_DESC_LAST		cpu_to_le32(BIT(22))
-#define MTK_DESC_FIRST		cpu_to_le32(BIT(23))
-#define MTK_DESC_BUF_LEN(x)	cpu_to_le32(x)
-#define MTK_DESC_CT_LEN(x)	cpu_to_le32((x) << 24)
-
-/**
- * struct mtk_ring - Descriptor ring
- * @cmd_base:	pointer to command descriptor ring base
- * @cmd_next:	pointer to the next command descriptor
- * @cmd_dma:	DMA address of command descriptor ring
- * @res_base:	pointer to result descriptor ring base
- * @res_next:	pointer to the next result descriptor
- * @res_prev:	pointer to the previous result descriptor
- * @res_dma:	DMA address of result descriptor ring
- *
- * A descriptor ring is a circular buffer that is used to manage
- * one or more descriptors. There are two type of descriptor rings;
- * the command descriptor ring and result descriptor ring.
- */
-struct mtk_ring {
-	struct mtk_desc *cmd_base;
-	struct mtk_desc *cmd_next;
-	dma_addr_t cmd_dma;
-	struct mtk_desc *res_base;
-	struct mtk_desc *res_next;
-	struct mtk_desc *res_prev;
-	dma_addr_t res_dma;
-};
-
-/**
- * struct mtk_aes_dma - Structure that holds sg list info
- * @sg:		pointer to scatter-gather list
- * @nents:	number of entries in the sg list
- * @remainder:	remainder of sg list
- * @sg_len:	number of entries in the sg mapped list
- */
-struct mtk_aes_dma {
-	struct scatterlist *sg;
-	int nents;
-	u32 remainder;
-	u32 sg_len;
-};
-
-struct mtk_aes_base_ctx;
-struct mtk_aes_rec;
-struct mtk_cryp;
-
-typedef int (*mtk_aes_fn)(struct mtk_cryp *cryp, struct mtk_aes_rec *aes);
-
-/**
- * struct mtk_aes_rec - AES operation record
- * @cryp:	pointer to Cryptographic device
- * @queue:	crypto request queue
- * @areq:	pointer to async request
- * @done_task:	the tasklet is use in AES interrupt
- * @queue_task:	the tasklet is used to dequeue request
- * @ctx:	pointer to current context
- * @src:	the structure that holds source sg list info
- * @dst:	the structure that holds destination sg list info
- * @aligned_sg:	the scatter list is use to alignment
- * @real_dst:	pointer to the destination sg list
- * @resume:	pointer to resume function
- * @total:	request buffer length
- * @buf:	pointer to page buffer
- * @id:		the current use of ring
- * @flags:	it's describing AES operation state
- * @lock:	the async queue lock
- *
- * Structure used to record AES execution state.
- */
-struct mtk_aes_rec {
-	struct mtk_cryp *cryp;
-	struct crypto_queue queue;
-	struct crypto_async_request *areq;
-	struct tasklet_struct done_task;
-	struct tasklet_struct queue_task;
-	struct mtk_aes_base_ctx *ctx;
-	struct mtk_aes_dma src;
-	struct mtk_aes_dma dst;
-
-	struct scatterlist aligned_sg;
-	struct scatterlist *real_dst;
-
-	mtk_aes_fn resume;
-
-	size_t total;
-	void *buf;
-
-	u8 id;
-	unsigned long flags;
-	/* queue lock */
-	spinlock_t lock;
-};
-
-/**
- * struct mtk_sha_rec - SHA operation record
- * @cryp:	pointer to Cryptographic device
- * @queue:	crypto request queue
- * @req:	pointer to ahash request
- * @done_task:	the tasklet is use in SHA interrupt
- * @queue_task:	the tasklet is used to dequeue request
- * @id:		the current use of ring
- * @flags:	it's describing SHA operation state
- * @lock:	the async queue lock
- *
- * Structure used to record SHA execution state.
- */
-struct mtk_sha_rec {
-	struct mtk_cryp *cryp;
-	struct crypto_queue queue;
-	struct ahash_request *req;
-	struct tasklet_struct done_task;
-	struct tasklet_struct queue_task;
-
-	u8 id;
-	unsigned long flags;
-	/* queue lock */
-	spinlock_t lock;
-};
-
-/**
- * struct mtk_cryp - Cryptographic device
- * @base:	pointer to mapped register I/O base
- * @dev:	pointer to device
- * @clk_cryp:	pointer to crypto clock
- * @irq:	global system and rings IRQ
- * @ring:	pointer to descriptor rings
- * @aes:	pointer to operation record of AES
- * @sha:	pointer to operation record of SHA
- * @aes_list:	device list of AES
- * @sha_list:	device list of SHA
- * @rec:	it's used to select SHA record for tfm
- *
- * Structure storing cryptographic device information.
- */
-struct mtk_cryp {
-	void __iomem *base;
-	struct device *dev;
-	struct clk *clk_cryp;
-	int irq[MTK_IRQ_NUM];
-
-	struct mtk_ring *ring[MTK_RING_MAX];
-	struct mtk_aes_rec *aes[MTK_REC_NUM];
-	struct mtk_sha_rec *sha[MTK_REC_NUM];
-
-	struct list_head aes_list;
-	struct list_head sha_list;
-
-	bool rec;
-};
-
-int mtk_cipher_alg_register(struct mtk_cryp *cryp);
-void mtk_cipher_alg_release(struct mtk_cryp *cryp);
-int mtk_hash_alg_register(struct mtk_cryp *cryp);
-void mtk_hash_alg_release(struct mtk_cryp *cryp);
-
-#endif /* __MTK_PLATFORM_H_ */