v4.19.13 snapshot.
diff --git a/drivers/crypto/rockchip/Makefile b/drivers/crypto/rockchip/Makefile
new file mode 100644
index 0000000..30f9129
--- /dev/null
+++ b/drivers/crypto/rockchip/Makefile
@@ -0,0 +1,4 @@
+obj-$(CONFIG_CRYPTO_DEV_ROCKCHIP) += rk_crypto.o
+rk_crypto-objs := rk3288_crypto.o \
+ rk3288_crypto_ablkcipher.o \
+ rk3288_crypto_ahash.o
diff --git a/drivers/crypto/rockchip/rk3288_crypto.c b/drivers/crypto/rockchip/rk3288_crypto.c
new file mode 100644
index 0000000..c9d622a
--- /dev/null
+++ b/drivers/crypto/rockchip/rk3288_crypto.c
@@ -0,0 +1,448 @@
+/*
+ * Crypto acceleration support for Rockchip RK3288
+ *
+ * Copyright (c) 2015, Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * Author: Zain Wang <zain.wang@rock-chips.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * Some ideas are from marvell-cesa.c and s5p-sss.c driver.
+ */
+
+#include "rk3288_crypto.h"
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/clk.h>
+#include <linux/crypto.h>
+#include <linux/reset.h>
+
+static int rk_crypto_enable_clk(struct rk_crypto_info *dev)
+{
+ int err;
+
+ err = clk_prepare_enable(dev->sclk);
+ if (err) {
+ dev_err(dev->dev, "[%s:%d], Couldn't enable clock sclk\n",
+ __func__, __LINE__);
+ goto err_return;
+ }
+ err = clk_prepare_enable(dev->aclk);
+ if (err) {
+ dev_err(dev->dev, "[%s:%d], Couldn't enable clock aclk\n",
+ __func__, __LINE__);
+ goto err_aclk;
+ }
+ err = clk_prepare_enable(dev->hclk);
+ if (err) {
+ dev_err(dev->dev, "[%s:%d], Couldn't enable clock hclk\n",
+ __func__, __LINE__);
+ goto err_hclk;
+ }
+ err = clk_prepare_enable(dev->dmaclk);
+ if (err) {
+ dev_err(dev->dev, "[%s:%d], Couldn't enable clock dmaclk\n",
+ __func__, __LINE__);
+ goto err_dmaclk;
+ }
+ return err;
+err_dmaclk:
+ clk_disable_unprepare(dev->hclk);
+err_hclk:
+ clk_disable_unprepare(dev->aclk);
+err_aclk:
+ clk_disable_unprepare(dev->sclk);
+err_return:
+ return err;
+}
+
+static void rk_crypto_disable_clk(struct rk_crypto_info *dev)
+{
+ clk_disable_unprepare(dev->dmaclk);
+ clk_disable_unprepare(dev->hclk);
+ clk_disable_unprepare(dev->aclk);
+ clk_disable_unprepare(dev->sclk);
+}
+
+static int check_alignment(struct scatterlist *sg_src,
+ struct scatterlist *sg_dst,
+ int align_mask)
+{
+ int in, out, align;
+
+ in = IS_ALIGNED((uint32_t)sg_src->offset, 4) &&
+ IS_ALIGNED((uint32_t)sg_src->length, align_mask);
+ if (!sg_dst)
+ return in;
+ out = IS_ALIGNED((uint32_t)sg_dst->offset, 4) &&
+ IS_ALIGNED((uint32_t)sg_dst->length, align_mask);
+ align = in && out;
+
+ return (align && (sg_src->length == sg_dst->length));
+}
+
+static int rk_load_data(struct rk_crypto_info *dev,
+ struct scatterlist *sg_src,
+ struct scatterlist *sg_dst)
+{
+ unsigned int count;
+
+ dev->aligned = dev->aligned ?
+ check_alignment(sg_src, sg_dst, dev->align_size) :
+ dev->aligned;
+ if (dev->aligned) {
+ count = min(dev->left_bytes, sg_src->length);
+ dev->left_bytes -= count;
+
+ if (!dma_map_sg(dev->dev, sg_src, 1, DMA_TO_DEVICE)) {
+ dev_err(dev->dev, "[%s:%d] dma_map_sg(src) error\n",
+ __func__, __LINE__);
+ return -EINVAL;
+ }
+ dev->addr_in = sg_dma_address(sg_src);
+
+ if (sg_dst) {
+ if (!dma_map_sg(dev->dev, sg_dst, 1, DMA_FROM_DEVICE)) {
+ dev_err(dev->dev,
+ "[%s:%d] dma_map_sg(dst) error\n",
+ __func__, __LINE__);
+ dma_unmap_sg(dev->dev, sg_src, 1,
+ DMA_TO_DEVICE);
+ return -EINVAL;
+ }
+ dev->addr_out = sg_dma_address(sg_dst);
+ }
+ } else {
+ count = (dev->left_bytes > PAGE_SIZE) ?
+ PAGE_SIZE : dev->left_bytes;
+
+ if (!sg_pcopy_to_buffer(dev->first, dev->nents,
+ dev->addr_vir, count,
+ dev->total - dev->left_bytes)) {
+ dev_err(dev->dev, "[%s:%d] pcopy err\n",
+ __func__, __LINE__);
+ return -EINVAL;
+ }
+ dev->left_bytes -= count;
+ sg_init_one(&dev->sg_tmp, dev->addr_vir, count);
+ if (!dma_map_sg(dev->dev, &dev->sg_tmp, 1, DMA_TO_DEVICE)) {
+ dev_err(dev->dev, "[%s:%d] dma_map_sg(sg_tmp) error\n",
+ __func__, __LINE__);
+ return -ENOMEM;
+ }
+ dev->addr_in = sg_dma_address(&dev->sg_tmp);
+
+ if (sg_dst) {
+ if (!dma_map_sg(dev->dev, &dev->sg_tmp, 1,
+ DMA_FROM_DEVICE)) {
+ dev_err(dev->dev,
+ "[%s:%d] dma_map_sg(sg_tmp) error\n",
+ __func__, __LINE__);
+ dma_unmap_sg(dev->dev, &dev->sg_tmp, 1,
+ DMA_TO_DEVICE);
+ return -ENOMEM;
+ }
+ dev->addr_out = sg_dma_address(&dev->sg_tmp);
+ }
+ }
+ dev->count = count;
+ return 0;
+}
+
+static void rk_unload_data(struct rk_crypto_info *dev)
+{
+ struct scatterlist *sg_in, *sg_out;
+
+ sg_in = dev->aligned ? dev->sg_src : &dev->sg_tmp;
+ dma_unmap_sg(dev->dev, sg_in, 1, DMA_TO_DEVICE);
+
+ if (dev->sg_dst) {
+ sg_out = dev->aligned ? dev->sg_dst : &dev->sg_tmp;
+ dma_unmap_sg(dev->dev, sg_out, 1, DMA_FROM_DEVICE);
+ }
+}
+
+static irqreturn_t rk_crypto_irq_handle(int irq, void *dev_id)
+{
+ struct rk_crypto_info *dev = platform_get_drvdata(dev_id);
+ u32 interrupt_status;
+
+ spin_lock(&dev->lock);
+ interrupt_status = CRYPTO_READ(dev, RK_CRYPTO_INTSTS);
+ CRYPTO_WRITE(dev, RK_CRYPTO_INTSTS, interrupt_status);
+
+ if (interrupt_status & 0x0a) {
+ dev_warn(dev->dev, "DMA Error\n");
+ dev->err = -EFAULT;
+ }
+ tasklet_schedule(&dev->done_task);
+
+ spin_unlock(&dev->lock);
+ return IRQ_HANDLED;
+}
+
+static int rk_crypto_enqueue(struct rk_crypto_info *dev,
+ struct crypto_async_request *async_req)
+{
+ unsigned long flags;
+ int ret;
+
+ spin_lock_irqsave(&dev->lock, flags);
+ ret = crypto_enqueue_request(&dev->queue, async_req);
+ if (dev->busy) {
+ spin_unlock_irqrestore(&dev->lock, flags);
+ return ret;
+ }
+ dev->busy = true;
+ spin_unlock_irqrestore(&dev->lock, flags);
+ tasklet_schedule(&dev->queue_task);
+
+ return ret;
+}
+
+static void rk_crypto_queue_task_cb(unsigned long data)
+{
+ struct rk_crypto_info *dev = (struct rk_crypto_info *)data;
+ struct crypto_async_request *async_req, *backlog;
+ unsigned long flags;
+ int err = 0;
+
+ dev->err = 0;
+ spin_lock_irqsave(&dev->lock, flags);
+ backlog = crypto_get_backlog(&dev->queue);
+ async_req = crypto_dequeue_request(&dev->queue);
+
+ if (!async_req) {
+ dev->busy = false;
+ spin_unlock_irqrestore(&dev->lock, flags);
+ return;
+ }
+ spin_unlock_irqrestore(&dev->lock, flags);
+
+ if (backlog) {
+ backlog->complete(backlog, -EINPROGRESS);
+ backlog = NULL;
+ }
+
+ dev->async_req = async_req;
+ err = dev->start(dev);
+ if (err)
+ dev->complete(dev->async_req, err);
+}
+
+static void rk_crypto_done_task_cb(unsigned long data)
+{
+ struct rk_crypto_info *dev = (struct rk_crypto_info *)data;
+
+ if (dev->err) {
+ dev->complete(dev->async_req, dev->err);
+ return;
+ }
+
+ dev->err = dev->update(dev);
+ if (dev->err)
+ dev->complete(dev->async_req, dev->err);
+}
+
+static struct rk_crypto_tmp *rk_cipher_algs[] = {
+ &rk_ecb_aes_alg,
+ &rk_cbc_aes_alg,
+ &rk_ecb_des_alg,
+ &rk_cbc_des_alg,
+ &rk_ecb_des3_ede_alg,
+ &rk_cbc_des3_ede_alg,
+ &rk_ahash_sha1,
+ &rk_ahash_sha256,
+ &rk_ahash_md5,
+};
+
+static int rk_crypto_register(struct rk_crypto_info *crypto_info)
+{
+ unsigned int i, k;
+ int err = 0;
+
+ for (i = 0; i < ARRAY_SIZE(rk_cipher_algs); i++) {
+ rk_cipher_algs[i]->dev = crypto_info;
+ if (rk_cipher_algs[i]->type == ALG_TYPE_CIPHER)
+ err = crypto_register_alg(
+ &rk_cipher_algs[i]->alg.crypto);
+ else
+ err = crypto_register_ahash(
+ &rk_cipher_algs[i]->alg.hash);
+ if (err)
+ goto err_cipher_algs;
+ }
+ return 0;
+
+err_cipher_algs:
+ for (k = 0; k < i; k++) {
+ if (rk_cipher_algs[i]->type == ALG_TYPE_CIPHER)
+ crypto_unregister_alg(&rk_cipher_algs[k]->alg.crypto);
+ else
+ crypto_unregister_ahash(&rk_cipher_algs[i]->alg.hash);
+ }
+ return err;
+}
+
+static void rk_crypto_unregister(void)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(rk_cipher_algs); i++) {
+ if (rk_cipher_algs[i]->type == ALG_TYPE_CIPHER)
+ crypto_unregister_alg(&rk_cipher_algs[i]->alg.crypto);
+ else
+ crypto_unregister_ahash(&rk_cipher_algs[i]->alg.hash);
+ }
+}
+
+static void rk_crypto_action(void *data)
+{
+ struct rk_crypto_info *crypto_info = data;
+
+ reset_control_assert(crypto_info->rst);
+}
+
+static const struct of_device_id crypto_of_id_table[] = {
+ { .compatible = "rockchip,rk3288-crypto" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, crypto_of_id_table);
+
+static int rk_crypto_probe(struct platform_device *pdev)
+{
+ struct resource *res;
+ struct device *dev = &pdev->dev;
+ struct rk_crypto_info *crypto_info;
+ int err = 0;
+
+ crypto_info = devm_kzalloc(&pdev->dev,
+ sizeof(*crypto_info), GFP_KERNEL);
+ if (!crypto_info) {
+ err = -ENOMEM;
+ goto err_crypto;
+ }
+
+ crypto_info->rst = devm_reset_control_get(dev, "crypto-rst");
+ if (IS_ERR(crypto_info->rst)) {
+ err = PTR_ERR(crypto_info->rst);
+ goto err_crypto;
+ }
+
+ reset_control_assert(crypto_info->rst);
+ usleep_range(10, 20);
+ reset_control_deassert(crypto_info->rst);
+
+ err = devm_add_action_or_reset(dev, rk_crypto_action, crypto_info);
+ if (err)
+ goto err_crypto;
+
+ spin_lock_init(&crypto_info->lock);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ crypto_info->reg = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(crypto_info->reg)) {
+ err = PTR_ERR(crypto_info->reg);
+ goto err_crypto;
+ }
+
+ crypto_info->aclk = devm_clk_get(&pdev->dev, "aclk");
+ if (IS_ERR(crypto_info->aclk)) {
+ err = PTR_ERR(crypto_info->aclk);
+ goto err_crypto;
+ }
+
+ crypto_info->hclk = devm_clk_get(&pdev->dev, "hclk");
+ if (IS_ERR(crypto_info->hclk)) {
+ err = PTR_ERR(crypto_info->hclk);
+ goto err_crypto;
+ }
+
+ crypto_info->sclk = devm_clk_get(&pdev->dev, "sclk");
+ if (IS_ERR(crypto_info->sclk)) {
+ err = PTR_ERR(crypto_info->sclk);
+ goto err_crypto;
+ }
+
+ crypto_info->dmaclk = devm_clk_get(&pdev->dev, "apb_pclk");
+ if (IS_ERR(crypto_info->dmaclk)) {
+ err = PTR_ERR(crypto_info->dmaclk);
+ goto err_crypto;
+ }
+
+ crypto_info->irq = platform_get_irq(pdev, 0);
+ if (crypto_info->irq < 0) {
+ dev_warn(crypto_info->dev,
+ "control Interrupt is not available.\n");
+ err = crypto_info->irq;
+ goto err_crypto;
+ }
+
+ err = devm_request_irq(&pdev->dev, crypto_info->irq,
+ rk_crypto_irq_handle, IRQF_SHARED,
+ "rk-crypto", pdev);
+
+ if (err) {
+ dev_err(crypto_info->dev, "irq request failed.\n");
+ goto err_crypto;
+ }
+
+ crypto_info->dev = &pdev->dev;
+ platform_set_drvdata(pdev, crypto_info);
+
+ tasklet_init(&crypto_info->queue_task,
+ rk_crypto_queue_task_cb, (unsigned long)crypto_info);
+ tasklet_init(&crypto_info->done_task,
+ rk_crypto_done_task_cb, (unsigned long)crypto_info);
+ crypto_init_queue(&crypto_info->queue, 50);
+
+ crypto_info->enable_clk = rk_crypto_enable_clk;
+ crypto_info->disable_clk = rk_crypto_disable_clk;
+ crypto_info->load_data = rk_load_data;
+ crypto_info->unload_data = rk_unload_data;
+ crypto_info->enqueue = rk_crypto_enqueue;
+ crypto_info->busy = false;
+
+ err = rk_crypto_register(crypto_info);
+ if (err) {
+ dev_err(dev, "err in register alg");
+ goto err_register_alg;
+ }
+
+ dev_info(dev, "Crypto Accelerator successfully registered\n");
+ return 0;
+
+err_register_alg:
+ tasklet_kill(&crypto_info->queue_task);
+ tasklet_kill(&crypto_info->done_task);
+err_crypto:
+ return err;
+}
+
+static int rk_crypto_remove(struct platform_device *pdev)
+{
+ struct rk_crypto_info *crypto_tmp = platform_get_drvdata(pdev);
+
+ rk_crypto_unregister();
+ tasklet_kill(&crypto_tmp->done_task);
+ tasklet_kill(&crypto_tmp->queue_task);
+ return 0;
+}
+
+static struct platform_driver crypto_driver = {
+ .probe = rk_crypto_probe,
+ .remove = rk_crypto_remove,
+ .driver = {
+ .name = "rk3288-crypto",
+ .of_match_table = crypto_of_id_table,
+ },
+};
+
+module_platform_driver(crypto_driver);
+
+MODULE_AUTHOR("Zain Wang <zain.wang@rock-chips.com>");
+MODULE_DESCRIPTION("Support for Rockchip's cryptographic engine");
+MODULE_LICENSE("GPL");
diff --git a/drivers/crypto/rockchip/rk3288_crypto.h b/drivers/crypto/rockchip/rk3288_crypto.h
new file mode 100644
index 0000000..d5fb401
--- /dev/null
+++ b/drivers/crypto/rockchip/rk3288_crypto.h
@@ -0,0 +1,274 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#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>
+#include <crypto/internal/hash.h>
+
+#include <crypto/md5.h>
+#include <crypto/sha.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
+
+/* HASH */
+#define RK_CRYPTO_HASH_CTRL 0x0180
+#define RK_CRYPTO_HASH_SWAP_DO BIT(3)
+#define RK_CRYPTO_HASH_SWAP_DI BIT(2)
+#define RK_CRYPTO_HASH_SHA1 _SBF(0x00, 0)
+#define RK_CRYPTO_HASH_MD5 _SBF(0x01, 0)
+#define RK_CRYPTO_HASH_SHA256 _SBF(0x02, 0)
+#define RK_CRYPTO_HASH_PRNG _SBF(0x03, 0)
+
+#define RK_CRYPTO_HASH_STS 0x0184
+#define RK_CRYPTO_HASH_DONE BIT(0)
+
+#define RK_CRYPTO_HASH_MSG_LEN 0x0188
+#define RK_CRYPTO_HASH_DOUT_0 0x018c
+#define RK_CRYPTO_HASH_DOUT_1 0x0190
+#define RK_CRYPTO_HASH_DOUT_2 0x0194
+#define RK_CRYPTO_HASH_DOUT_3 0x0198
+#define RK_CRYPTO_HASH_DOUT_4 0x019c
+#define RK_CRYPTO_HASH_DOUT_5 0x01a0
+#define RK_CRYPTO_HASH_DOUT_6 0x01a4
+#define RK_CRYPTO_HASH_DOUT_7 0x01a8
+
+#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 queue_task;
+ struct tasklet_struct done_task;
+ struct crypto_async_request *async_req;
+ int err;
+ /* 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;
+ dma_addr_t addr_in;
+ dma_addr_t addr_out;
+ bool busy;
+ int (*start)(struct rk_crypto_info *dev);
+ int (*update)(struct rk_crypto_info *dev);
+ void (*complete)(struct crypto_async_request *base, 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);
+ int (*enqueue)(struct rk_crypto_info *dev,
+ struct crypto_async_request *async_req);
+};
+
+/* the private variable of hash */
+struct rk_ahash_ctx {
+ struct rk_crypto_info *dev;
+ /* for fallback */
+ struct crypto_ahash *fallback_tfm;
+};
+
+/* the privete variable of hash for fallback */
+struct rk_ahash_rctx {
+ struct ahash_request fallback_req;
+ u32 mode;
+};
+
+/* the private variable of cipher */
+struct rk_cipher_ctx {
+ struct rk_crypto_info *dev;
+ unsigned int keylen;
+ u32 mode;
+};
+
+enum alg_type {
+ ALG_TYPE_HASH,
+ ALG_TYPE_CIPHER,
+};
+
+struct rk_crypto_tmp {
+ struct rk_crypto_info *dev;
+ union {
+ struct crypto_alg crypto;
+ struct ahash_alg hash;
+ } alg;
+ enum alg_type type;
+};
+
+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;
+
+extern struct rk_crypto_tmp rk_ahash_sha1;
+extern struct rk_crypto_tmp rk_ahash_sha256;
+extern struct rk_crypto_tmp rk_ahash_md5;
+
+#endif
diff --git a/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c b/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c
new file mode 100644
index 0000000..639c15c
--- /dev/null
+++ b/drivers/crypto/rockchip/rk3288_crypto_ablkcipher.c
@@ -0,0 +1,508 @@
+/*
+ * Crypto acceleration support for Rockchip RK3288
+ *
+ * Copyright (c) 2015, Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * Author: Zain Wang <zain.wang@rock-chips.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * Some ideas are from marvell-cesa.c and s5p-sss.c driver.
+ */
+#include "rk3288_crypto.h"
+
+#define RK_CRYPTO_DEC BIT(0)
+
+static void rk_crypto_complete(struct crypto_async_request *base, int err)
+{
+ if (base->complete)
+ base->complete(base, err);
+}
+
+static int rk_handle_req(struct rk_crypto_info *dev,
+ struct ablkcipher_request *req)
+{
+ if (!IS_ALIGNED(req->nbytes, dev->align_size))
+ return -EINVAL;
+ else
+ return dev->enqueue(dev, &req->base);
+}
+
+static int rk_aes_setkey(struct crypto_ablkcipher *cipher,
+ const u8 *key, unsigned int keylen)
+{
+ struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
+ struct rk_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ if (keylen != AES_KEYSIZE_128 && keylen != AES_KEYSIZE_192 &&
+ keylen != AES_KEYSIZE_256) {
+ crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
+ return -EINVAL;
+ }
+ ctx->keylen = keylen;
+ memcpy_toio(ctx->dev->reg + RK_CRYPTO_AES_KEY_0, key, keylen);
+ return 0;
+}
+
+static int rk_tdes_setkey(struct crypto_ablkcipher *cipher,
+ const u8 *key, unsigned int keylen)
+{
+ struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
+ struct rk_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
+ u32 tmp[DES_EXPKEY_WORDS];
+
+ if (keylen != DES_KEY_SIZE && keylen != DES3_EDE_KEY_SIZE) {
+ crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
+ return -EINVAL;
+ }
+
+ if (keylen == DES_KEY_SIZE) {
+ if (!des_ekey(tmp, key) &&
+ (tfm->crt_flags & CRYPTO_TFM_REQ_WEAK_KEY)) {
+ tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY;
+ return -EINVAL;
+ }
+ }
+
+ ctx->keylen = keylen;
+ memcpy_toio(ctx->dev->reg + RK_CRYPTO_TDES_KEY1_0, key, keylen);
+ return 0;
+}
+
+static int rk_aes_ecb_encrypt(struct ablkcipher_request *req)
+{
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ struct rk_crypto_info *dev = ctx->dev;
+
+ ctx->mode = RK_CRYPTO_AES_ECB_MODE;
+ return rk_handle_req(dev, req);
+}
+
+static int rk_aes_ecb_decrypt(struct ablkcipher_request *req)
+{
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ struct rk_crypto_info *dev = ctx->dev;
+
+ ctx->mode = RK_CRYPTO_AES_ECB_MODE | RK_CRYPTO_DEC;
+ return rk_handle_req(dev, req);
+}
+
+static int rk_aes_cbc_encrypt(struct ablkcipher_request *req)
+{
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ struct rk_crypto_info *dev = ctx->dev;
+
+ ctx->mode = RK_CRYPTO_AES_CBC_MODE;
+ return rk_handle_req(dev, req);
+}
+
+static int rk_aes_cbc_decrypt(struct ablkcipher_request *req)
+{
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ struct rk_crypto_info *dev = ctx->dev;
+
+ ctx->mode = RK_CRYPTO_AES_CBC_MODE | RK_CRYPTO_DEC;
+ return rk_handle_req(dev, req);
+}
+
+static int rk_des_ecb_encrypt(struct ablkcipher_request *req)
+{
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ struct rk_crypto_info *dev = ctx->dev;
+
+ ctx->mode = 0;
+ return rk_handle_req(dev, req);
+}
+
+static int rk_des_ecb_decrypt(struct ablkcipher_request *req)
+{
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ struct rk_crypto_info *dev = ctx->dev;
+
+ ctx->mode = RK_CRYPTO_DEC;
+ return rk_handle_req(dev, req);
+}
+
+static int rk_des_cbc_encrypt(struct ablkcipher_request *req)
+{
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ struct rk_crypto_info *dev = ctx->dev;
+
+ ctx->mode = RK_CRYPTO_TDES_CHAINMODE_CBC;
+ return rk_handle_req(dev, req);
+}
+
+static int rk_des_cbc_decrypt(struct ablkcipher_request *req)
+{
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ struct rk_crypto_info *dev = ctx->dev;
+
+ ctx->mode = RK_CRYPTO_TDES_CHAINMODE_CBC | RK_CRYPTO_DEC;
+ return rk_handle_req(dev, req);
+}
+
+static int rk_des3_ede_ecb_encrypt(struct ablkcipher_request *req)
+{
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ struct rk_crypto_info *dev = ctx->dev;
+
+ ctx->mode = RK_CRYPTO_TDES_SELECT;
+ return rk_handle_req(dev, req);
+}
+
+static int rk_des3_ede_ecb_decrypt(struct ablkcipher_request *req)
+{
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ struct rk_crypto_info *dev = ctx->dev;
+
+ ctx->mode = RK_CRYPTO_TDES_SELECT | RK_CRYPTO_DEC;
+ return rk_handle_req(dev, req);
+}
+
+static int rk_des3_ede_cbc_encrypt(struct ablkcipher_request *req)
+{
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ struct rk_crypto_info *dev = ctx->dev;
+
+ ctx->mode = RK_CRYPTO_TDES_SELECT | RK_CRYPTO_TDES_CHAINMODE_CBC;
+ return rk_handle_req(dev, req);
+}
+
+static int rk_des3_ede_cbc_decrypt(struct ablkcipher_request *req)
+{
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(tfm);
+ struct rk_crypto_info *dev = ctx->dev;
+
+ ctx->mode = RK_CRYPTO_TDES_SELECT | RK_CRYPTO_TDES_CHAINMODE_CBC |
+ RK_CRYPTO_DEC;
+ return rk_handle_req(dev, req);
+}
+
+static void rk_ablk_hw_init(struct rk_crypto_info *dev)
+{
+ struct ablkcipher_request *req =
+ ablkcipher_request_cast(dev->async_req);
+ struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(req);
+ struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher);
+ struct rk_cipher_ctx *ctx = crypto_ablkcipher_ctx(cipher);
+ u32 ivsize, block, conf_reg = 0;
+
+ block = crypto_tfm_alg_blocksize(tfm);
+ ivsize = crypto_ablkcipher_ivsize(cipher);
+
+ if (block == DES_BLOCK_SIZE) {
+ ctx->mode |= RK_CRYPTO_TDES_FIFO_MODE |
+ RK_CRYPTO_TDES_BYTESWAP_KEY |
+ RK_CRYPTO_TDES_BYTESWAP_IV;
+ CRYPTO_WRITE(dev, RK_CRYPTO_TDES_CTRL, ctx->mode);
+ memcpy_toio(dev->reg + RK_CRYPTO_TDES_IV_0, req->info, ivsize);
+ conf_reg = RK_CRYPTO_DESSEL;
+ } else {
+ ctx->mode |= RK_CRYPTO_AES_FIFO_MODE |
+ RK_CRYPTO_AES_KEY_CHANGE |
+ RK_CRYPTO_AES_BYTESWAP_KEY |
+ RK_CRYPTO_AES_BYTESWAP_IV;
+ if (ctx->keylen == AES_KEYSIZE_192)
+ ctx->mode |= RK_CRYPTO_AES_192BIT_key;
+ else if (ctx->keylen == AES_KEYSIZE_256)
+ ctx->mode |= RK_CRYPTO_AES_256BIT_key;
+ CRYPTO_WRITE(dev, RK_CRYPTO_AES_CTRL, ctx->mode);
+ memcpy_toio(dev->reg + RK_CRYPTO_AES_IV_0, req->info, ivsize);
+ }
+ conf_reg |= RK_CRYPTO_BYTESWAP_BTFIFO |
+ RK_CRYPTO_BYTESWAP_BRFIFO;
+ CRYPTO_WRITE(dev, RK_CRYPTO_CONF, conf_reg);
+ CRYPTO_WRITE(dev, RK_CRYPTO_INTENA,
+ RK_CRYPTO_BCDMA_ERR_ENA | RK_CRYPTO_BCDMA_DONE_ENA);
+}
+
+static void crypto_dma_start(struct rk_crypto_info *dev)
+{
+ CRYPTO_WRITE(dev, RK_CRYPTO_BRDMAS, dev->addr_in);
+ CRYPTO_WRITE(dev, RK_CRYPTO_BRDMAL, dev->count / 4);
+ CRYPTO_WRITE(dev, RK_CRYPTO_BTDMAS, dev->addr_out);
+ CRYPTO_WRITE(dev, RK_CRYPTO_CTRL, RK_CRYPTO_BLOCK_START |
+ _SBF(RK_CRYPTO_BLOCK_START, 16));
+}
+
+static int rk_set_data_start(struct rk_crypto_info *dev)
+{
+ int err;
+
+ err = dev->load_data(dev, dev->sg_src, dev->sg_dst);
+ if (!err)
+ crypto_dma_start(dev);
+ return err;
+}
+
+static int rk_ablk_start(struct rk_crypto_info *dev)
+{
+ struct ablkcipher_request *req =
+ ablkcipher_request_cast(dev->async_req);
+ unsigned long flags;
+ int err = 0;
+
+ dev->left_bytes = req->nbytes;
+ dev->total = req->nbytes;
+ dev->sg_src = req->src;
+ dev->first = req->src;
+ dev->nents = sg_nents(req->src);
+ dev->sg_dst = req->dst;
+ dev->aligned = 1;
+
+ spin_lock_irqsave(&dev->lock, flags);
+ rk_ablk_hw_init(dev);
+ err = rk_set_data_start(dev);
+ spin_unlock_irqrestore(&dev->lock, flags);
+ return err;
+}
+
+static void rk_iv_copyback(struct rk_crypto_info *dev)
+{
+ struct ablkcipher_request *req =
+ ablkcipher_request_cast(dev->async_req);
+ struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
+ u32 ivsize = crypto_ablkcipher_ivsize(tfm);
+
+ if (ivsize == DES_BLOCK_SIZE)
+ memcpy_fromio(req->info, dev->reg + RK_CRYPTO_TDES_IV_0,
+ ivsize);
+ else if (ivsize == AES_BLOCK_SIZE)
+ memcpy_fromio(req->info, dev->reg + RK_CRYPTO_AES_IV_0, ivsize);
+}
+
+/* return:
+ * true some err was occurred
+ * fault no err, continue
+ */
+static int rk_ablk_rx(struct rk_crypto_info *dev)
+{
+ int err = 0;
+ struct ablkcipher_request *req =
+ ablkcipher_request_cast(dev->async_req);
+
+ dev->unload_data(dev);
+ if (!dev->aligned) {
+ if (!sg_pcopy_from_buffer(req->dst, dev->nents,
+ dev->addr_vir, dev->count,
+ dev->total - dev->left_bytes -
+ dev->count)) {
+ err = -EINVAL;
+ goto out_rx;
+ }
+ }
+ if (dev->left_bytes) {
+ if (dev->aligned) {
+ if (sg_is_last(dev->sg_src)) {
+ dev_err(dev->dev, "[%s:%d] Lack of data\n",
+ __func__, __LINE__);
+ err = -ENOMEM;
+ goto out_rx;
+ }
+ dev->sg_src = sg_next(dev->sg_src);
+ dev->sg_dst = sg_next(dev->sg_dst);
+ }
+ err = rk_set_data_start(dev);
+ } else {
+ rk_iv_copyback(dev);
+ /* here show the calculation is over without any err */
+ dev->complete(dev->async_req, 0);
+ tasklet_schedule(&dev->queue_task);
+ }
+out_rx:
+ return err;
+}
+
+static int rk_ablk_cra_init(struct crypto_tfm *tfm)
+{
+ struct rk_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
+ struct crypto_alg *alg = tfm->__crt_alg;
+ struct rk_crypto_tmp *algt;
+
+ algt = container_of(alg, struct rk_crypto_tmp, alg.crypto);
+
+ ctx->dev = algt->dev;
+ ctx->dev->align_size = crypto_tfm_alg_alignmask(tfm) + 1;
+ ctx->dev->start = rk_ablk_start;
+ ctx->dev->update = rk_ablk_rx;
+ ctx->dev->complete = rk_crypto_complete;
+ ctx->dev->addr_vir = (char *)__get_free_page(GFP_KERNEL);
+
+ return ctx->dev->addr_vir ? ctx->dev->enable_clk(ctx->dev) : -ENOMEM;
+}
+
+static void rk_ablk_cra_exit(struct crypto_tfm *tfm)
+{
+ struct rk_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ free_page((unsigned long)ctx->dev->addr_vir);
+ ctx->dev->disable_clk(ctx->dev);
+}
+
+struct rk_crypto_tmp rk_ecb_aes_alg = {
+ .type = ALG_TYPE_CIPHER,
+ .alg.crypto = {
+ .cra_name = "ecb(aes)",
+ .cra_driver_name = "ecb-aes-rk",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+ CRYPTO_ALG_ASYNC,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct rk_cipher_ctx),
+ .cra_alignmask = 0x0f,
+ .cra_type = &crypto_ablkcipher_type,
+ .cra_module = THIS_MODULE,
+ .cra_init = rk_ablk_cra_init,
+ .cra_exit = rk_ablk_cra_exit,
+ .cra_u.ablkcipher = {
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .setkey = rk_aes_setkey,
+ .encrypt = rk_aes_ecb_encrypt,
+ .decrypt = rk_aes_ecb_decrypt,
+ }
+ }
+};
+
+struct rk_crypto_tmp rk_cbc_aes_alg = {
+ .type = ALG_TYPE_CIPHER,
+ .alg.crypto = {
+ .cra_name = "cbc(aes)",
+ .cra_driver_name = "cbc-aes-rk",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+ CRYPTO_ALG_ASYNC,
+ .cra_blocksize = AES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct rk_cipher_ctx),
+ .cra_alignmask = 0x0f,
+ .cra_type = &crypto_ablkcipher_type,
+ .cra_module = THIS_MODULE,
+ .cra_init = rk_ablk_cra_init,
+ .cra_exit = rk_ablk_cra_exit,
+ .cra_u.ablkcipher = {
+ .min_keysize = AES_MIN_KEY_SIZE,
+ .max_keysize = AES_MAX_KEY_SIZE,
+ .ivsize = AES_BLOCK_SIZE,
+ .setkey = rk_aes_setkey,
+ .encrypt = rk_aes_cbc_encrypt,
+ .decrypt = rk_aes_cbc_decrypt,
+ }
+ }
+};
+
+struct rk_crypto_tmp rk_ecb_des_alg = {
+ .type = ALG_TYPE_CIPHER,
+ .alg.crypto = {
+ .cra_name = "ecb(des)",
+ .cra_driver_name = "ecb-des-rk",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+ CRYPTO_ALG_ASYNC,
+ .cra_blocksize = DES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct rk_cipher_ctx),
+ .cra_alignmask = 0x07,
+ .cra_type = &crypto_ablkcipher_type,
+ .cra_module = THIS_MODULE,
+ .cra_init = rk_ablk_cra_init,
+ .cra_exit = rk_ablk_cra_exit,
+ .cra_u.ablkcipher = {
+ .min_keysize = DES_KEY_SIZE,
+ .max_keysize = DES_KEY_SIZE,
+ .setkey = rk_tdes_setkey,
+ .encrypt = rk_des_ecb_encrypt,
+ .decrypt = rk_des_ecb_decrypt,
+ }
+ }
+};
+
+struct rk_crypto_tmp rk_cbc_des_alg = {
+ .type = ALG_TYPE_CIPHER,
+ .alg.crypto = {
+ .cra_name = "cbc(des)",
+ .cra_driver_name = "cbc-des-rk",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+ CRYPTO_ALG_ASYNC,
+ .cra_blocksize = DES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct rk_cipher_ctx),
+ .cra_alignmask = 0x07,
+ .cra_type = &crypto_ablkcipher_type,
+ .cra_module = THIS_MODULE,
+ .cra_init = rk_ablk_cra_init,
+ .cra_exit = rk_ablk_cra_exit,
+ .cra_u.ablkcipher = {
+ .min_keysize = DES_KEY_SIZE,
+ .max_keysize = DES_KEY_SIZE,
+ .ivsize = DES_BLOCK_SIZE,
+ .setkey = rk_tdes_setkey,
+ .encrypt = rk_des_cbc_encrypt,
+ .decrypt = rk_des_cbc_decrypt,
+ }
+ }
+};
+
+struct rk_crypto_tmp rk_ecb_des3_ede_alg = {
+ .type = ALG_TYPE_CIPHER,
+ .alg.crypto = {
+ .cra_name = "ecb(des3_ede)",
+ .cra_driver_name = "ecb-des3-ede-rk",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+ CRYPTO_ALG_ASYNC,
+ .cra_blocksize = DES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct rk_cipher_ctx),
+ .cra_alignmask = 0x07,
+ .cra_type = &crypto_ablkcipher_type,
+ .cra_module = THIS_MODULE,
+ .cra_init = rk_ablk_cra_init,
+ .cra_exit = rk_ablk_cra_exit,
+ .cra_u.ablkcipher = {
+ .min_keysize = DES3_EDE_KEY_SIZE,
+ .max_keysize = DES3_EDE_KEY_SIZE,
+ .ivsize = DES_BLOCK_SIZE,
+ .setkey = rk_tdes_setkey,
+ .encrypt = rk_des3_ede_ecb_encrypt,
+ .decrypt = rk_des3_ede_ecb_decrypt,
+ }
+ }
+};
+
+struct rk_crypto_tmp rk_cbc_des3_ede_alg = {
+ .type = ALG_TYPE_CIPHER,
+ .alg.crypto = {
+ .cra_name = "cbc(des3_ede)",
+ .cra_driver_name = "cbc-des3-ede-rk",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
+ CRYPTO_ALG_ASYNC,
+ .cra_blocksize = DES_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct rk_cipher_ctx),
+ .cra_alignmask = 0x07,
+ .cra_type = &crypto_ablkcipher_type,
+ .cra_module = THIS_MODULE,
+ .cra_init = rk_ablk_cra_init,
+ .cra_exit = rk_ablk_cra_exit,
+ .cra_u.ablkcipher = {
+ .min_keysize = DES3_EDE_KEY_SIZE,
+ .max_keysize = DES3_EDE_KEY_SIZE,
+ .ivsize = DES_BLOCK_SIZE,
+ .setkey = rk_tdes_setkey,
+ .encrypt = rk_des3_ede_cbc_encrypt,
+ .decrypt = rk_des3_ede_cbc_decrypt,
+ }
+ }
+};
diff --git a/drivers/crypto/rockchip/rk3288_crypto_ahash.c b/drivers/crypto/rockchip/rk3288_crypto_ahash.c
new file mode 100644
index 0000000..821a506
--- /dev/null
+++ b/drivers/crypto/rockchip/rk3288_crypto_ahash.c
@@ -0,0 +1,405 @@
+/*
+ * Crypto acceleration support for Rockchip RK3288
+ *
+ * Copyright (c) 2015, Fuzhou Rockchip Electronics Co., Ltd
+ *
+ * Author: Zain Wang <zain.wang@rock-chips.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * Some ideas are from marvell/cesa.c and s5p-sss.c driver.
+ */
+#include "rk3288_crypto.h"
+
+/*
+ * IC can not process zero message hash,
+ * so we put the fixed hash out when met zero message.
+ */
+
+static int zero_message_process(struct ahash_request *req)
+{
+ struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+ int rk_digest_size = crypto_ahash_digestsize(tfm);
+
+ switch (rk_digest_size) {
+ case SHA1_DIGEST_SIZE:
+ memcpy(req->result, sha1_zero_message_hash, rk_digest_size);
+ break;
+ case SHA256_DIGEST_SIZE:
+ memcpy(req->result, sha256_zero_message_hash, rk_digest_size);
+ break;
+ case MD5_DIGEST_SIZE:
+ memcpy(req->result, md5_zero_message_hash, rk_digest_size);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void rk_ahash_crypto_complete(struct crypto_async_request *base, int err)
+{
+ if (base->complete)
+ base->complete(base, err);
+}
+
+static void rk_ahash_reg_init(struct rk_crypto_info *dev)
+{
+ struct ahash_request *req = ahash_request_cast(dev->async_req);
+ struct rk_ahash_rctx *rctx = ahash_request_ctx(req);
+ int reg_status = 0;
+
+ reg_status = CRYPTO_READ(dev, RK_CRYPTO_CTRL) |
+ RK_CRYPTO_HASH_FLUSH | _SBF(0xffff, 16);
+ CRYPTO_WRITE(dev, RK_CRYPTO_CTRL, reg_status);
+
+ reg_status = CRYPTO_READ(dev, RK_CRYPTO_CTRL);
+ reg_status &= (~RK_CRYPTO_HASH_FLUSH);
+ reg_status |= _SBF(0xffff, 16);
+ CRYPTO_WRITE(dev, RK_CRYPTO_CTRL, reg_status);
+
+ memset_io(dev->reg + RK_CRYPTO_HASH_DOUT_0, 0, 32);
+
+ CRYPTO_WRITE(dev, RK_CRYPTO_INTENA, RK_CRYPTO_HRDMA_ERR_ENA |
+ RK_CRYPTO_HRDMA_DONE_ENA);
+
+ CRYPTO_WRITE(dev, RK_CRYPTO_INTSTS, RK_CRYPTO_HRDMA_ERR_INT |
+ RK_CRYPTO_HRDMA_DONE_INT);
+
+ CRYPTO_WRITE(dev, RK_CRYPTO_HASH_CTRL, rctx->mode |
+ RK_CRYPTO_HASH_SWAP_DO);
+
+ CRYPTO_WRITE(dev, RK_CRYPTO_CONF, RK_CRYPTO_BYTESWAP_HRFIFO |
+ RK_CRYPTO_BYTESWAP_BRFIFO |
+ RK_CRYPTO_BYTESWAP_BTFIFO);
+
+ CRYPTO_WRITE(dev, RK_CRYPTO_HASH_MSG_LEN, dev->total);
+}
+
+static int rk_ahash_init(struct ahash_request *req)
+{
+ struct rk_ahash_rctx *rctx = ahash_request_ctx(req);
+ struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+ struct rk_ahash_ctx *ctx = crypto_ahash_ctx(tfm);
+
+ ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm);
+ rctx->fallback_req.base.flags = req->base.flags &
+ CRYPTO_TFM_REQ_MAY_SLEEP;
+
+ return crypto_ahash_init(&rctx->fallback_req);
+}
+
+static int rk_ahash_update(struct ahash_request *req)
+{
+ struct rk_ahash_rctx *rctx = ahash_request_ctx(req);
+ struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+ struct rk_ahash_ctx *ctx = crypto_ahash_ctx(tfm);
+
+ ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm);
+ rctx->fallback_req.base.flags = req->base.flags &
+ CRYPTO_TFM_REQ_MAY_SLEEP;
+ rctx->fallback_req.nbytes = req->nbytes;
+ rctx->fallback_req.src = req->src;
+
+ return crypto_ahash_update(&rctx->fallback_req);
+}
+
+static int rk_ahash_final(struct ahash_request *req)
+{
+ struct rk_ahash_rctx *rctx = ahash_request_ctx(req);
+ struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+ struct rk_ahash_ctx *ctx = crypto_ahash_ctx(tfm);
+
+ ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm);
+ rctx->fallback_req.base.flags = req->base.flags &
+ CRYPTO_TFM_REQ_MAY_SLEEP;
+ rctx->fallback_req.result = req->result;
+
+ return crypto_ahash_final(&rctx->fallback_req);
+}
+
+static int rk_ahash_finup(struct ahash_request *req)
+{
+ struct rk_ahash_rctx *rctx = ahash_request_ctx(req);
+ struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+ struct rk_ahash_ctx *ctx = crypto_ahash_ctx(tfm);
+
+ ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm);
+ rctx->fallback_req.base.flags = req->base.flags &
+ CRYPTO_TFM_REQ_MAY_SLEEP;
+
+ rctx->fallback_req.nbytes = req->nbytes;
+ rctx->fallback_req.src = req->src;
+ rctx->fallback_req.result = req->result;
+
+ return crypto_ahash_finup(&rctx->fallback_req);
+}
+
+static int rk_ahash_import(struct ahash_request *req, const void *in)
+{
+ struct rk_ahash_rctx *rctx = ahash_request_ctx(req);
+ struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+ struct rk_ahash_ctx *ctx = crypto_ahash_ctx(tfm);
+
+ ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm);
+ rctx->fallback_req.base.flags = req->base.flags &
+ CRYPTO_TFM_REQ_MAY_SLEEP;
+
+ return crypto_ahash_import(&rctx->fallback_req, in);
+}
+
+static int rk_ahash_export(struct ahash_request *req, void *out)
+{
+ struct rk_ahash_rctx *rctx = ahash_request_ctx(req);
+ struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+ struct rk_ahash_ctx *ctx = crypto_ahash_ctx(tfm);
+
+ ahash_request_set_tfm(&rctx->fallback_req, ctx->fallback_tfm);
+ rctx->fallback_req.base.flags = req->base.flags &
+ CRYPTO_TFM_REQ_MAY_SLEEP;
+
+ return crypto_ahash_export(&rctx->fallback_req, out);
+}
+
+static int rk_ahash_digest(struct ahash_request *req)
+{
+ struct rk_ahash_ctx *tctx = crypto_tfm_ctx(req->base.tfm);
+ struct rk_crypto_info *dev = tctx->dev;
+
+ if (!req->nbytes)
+ return zero_message_process(req);
+ else
+ return dev->enqueue(dev, &req->base);
+}
+
+static void crypto_ahash_dma_start(struct rk_crypto_info *dev)
+{
+ CRYPTO_WRITE(dev, RK_CRYPTO_HRDMAS, dev->addr_in);
+ CRYPTO_WRITE(dev, RK_CRYPTO_HRDMAL, (dev->count + 3) / 4);
+ CRYPTO_WRITE(dev, RK_CRYPTO_CTRL, RK_CRYPTO_HASH_START |
+ (RK_CRYPTO_HASH_START << 16));
+}
+
+static int rk_ahash_set_data_start(struct rk_crypto_info *dev)
+{
+ int err;
+
+ err = dev->load_data(dev, dev->sg_src, NULL);
+ if (!err)
+ crypto_ahash_dma_start(dev);
+ return err;
+}
+
+static int rk_ahash_start(struct rk_crypto_info *dev)
+{
+ struct ahash_request *req = ahash_request_cast(dev->async_req);
+ struct crypto_ahash *tfm;
+ struct rk_ahash_rctx *rctx;
+
+ dev->total = req->nbytes;
+ dev->left_bytes = req->nbytes;
+ dev->aligned = 0;
+ dev->align_size = 4;
+ dev->sg_dst = NULL;
+ dev->sg_src = req->src;
+ dev->first = req->src;
+ dev->nents = sg_nents(req->src);
+ rctx = ahash_request_ctx(req);
+ rctx->mode = 0;
+
+ tfm = crypto_ahash_reqtfm(req);
+ switch (crypto_ahash_digestsize(tfm)) {
+ case SHA1_DIGEST_SIZE:
+ rctx->mode = RK_CRYPTO_HASH_SHA1;
+ break;
+ case SHA256_DIGEST_SIZE:
+ rctx->mode = RK_CRYPTO_HASH_SHA256;
+ break;
+ case MD5_DIGEST_SIZE:
+ rctx->mode = RK_CRYPTO_HASH_MD5;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ rk_ahash_reg_init(dev);
+ return rk_ahash_set_data_start(dev);
+}
+
+static int rk_ahash_crypto_rx(struct rk_crypto_info *dev)
+{
+ int err = 0;
+ struct ahash_request *req = ahash_request_cast(dev->async_req);
+ struct crypto_ahash *tfm;
+
+ dev->unload_data(dev);
+ if (dev->left_bytes) {
+ if (dev->aligned) {
+ if (sg_is_last(dev->sg_src)) {
+ dev_warn(dev->dev, "[%s:%d], Lack of data\n",
+ __func__, __LINE__);
+ err = -ENOMEM;
+ goto out_rx;
+ }
+ dev->sg_src = sg_next(dev->sg_src);
+ }
+ err = rk_ahash_set_data_start(dev);
+ } else {
+ /*
+ * it will take some time to process date after last dma
+ * transmission.
+ *
+ * waiting time is relative with the last date len,
+ * so cannot set a fixed time here.
+ * 10us makes system not call here frequently wasting
+ * efficiency, and make it response quickly when dma
+ * complete.
+ */
+ while (!CRYPTO_READ(dev, RK_CRYPTO_HASH_STS))
+ udelay(10);
+
+ tfm = crypto_ahash_reqtfm(req);
+ memcpy_fromio(req->result, dev->reg + RK_CRYPTO_HASH_DOUT_0,
+ crypto_ahash_digestsize(tfm));
+ dev->complete(dev->async_req, 0);
+ tasklet_schedule(&dev->queue_task);
+ }
+
+out_rx:
+ return err;
+}
+
+static int rk_cra_hash_init(struct crypto_tfm *tfm)
+{
+ struct rk_ahash_ctx *tctx = crypto_tfm_ctx(tfm);
+ struct rk_crypto_tmp *algt;
+ struct ahash_alg *alg = __crypto_ahash_alg(tfm->__crt_alg);
+
+ const char *alg_name = crypto_tfm_alg_name(tfm);
+
+ algt = container_of(alg, struct rk_crypto_tmp, alg.hash);
+
+ tctx->dev = algt->dev;
+ tctx->dev->addr_vir = (void *)__get_free_page(GFP_KERNEL);
+ if (!tctx->dev->addr_vir) {
+ dev_err(tctx->dev->dev, "failed to kmalloc for addr_vir\n");
+ return -ENOMEM;
+ }
+ tctx->dev->start = rk_ahash_start;
+ tctx->dev->update = rk_ahash_crypto_rx;
+ tctx->dev->complete = rk_ahash_crypto_complete;
+
+ /* for fallback */
+ tctx->fallback_tfm = crypto_alloc_ahash(alg_name, 0,
+ CRYPTO_ALG_NEED_FALLBACK);
+ if (IS_ERR(tctx->fallback_tfm)) {
+ dev_err(tctx->dev->dev, "Could not load fallback driver.\n");
+ return PTR_ERR(tctx->fallback_tfm);
+ }
+ crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
+ sizeof(struct rk_ahash_rctx) +
+ crypto_ahash_reqsize(tctx->fallback_tfm));
+
+ return tctx->dev->enable_clk(tctx->dev);
+}
+
+static void rk_cra_hash_exit(struct crypto_tfm *tfm)
+{
+ struct rk_ahash_ctx *tctx = crypto_tfm_ctx(tfm);
+
+ free_page((unsigned long)tctx->dev->addr_vir);
+ return tctx->dev->disable_clk(tctx->dev);
+}
+
+struct rk_crypto_tmp rk_ahash_sha1 = {
+ .type = ALG_TYPE_HASH,
+ .alg.hash = {
+ .init = rk_ahash_init,
+ .update = rk_ahash_update,
+ .final = rk_ahash_final,
+ .finup = rk_ahash_finup,
+ .export = rk_ahash_export,
+ .import = rk_ahash_import,
+ .digest = rk_ahash_digest,
+ .halg = {
+ .digestsize = SHA1_DIGEST_SIZE,
+ .statesize = sizeof(struct sha1_state),
+ .base = {
+ .cra_name = "sha1",
+ .cra_driver_name = "rk-sha1",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_NEED_FALLBACK,
+ .cra_blocksize = SHA1_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct rk_ahash_ctx),
+ .cra_alignmask = 3,
+ .cra_init = rk_cra_hash_init,
+ .cra_exit = rk_cra_hash_exit,
+ .cra_module = THIS_MODULE,
+ }
+ }
+ }
+};
+
+struct rk_crypto_tmp rk_ahash_sha256 = {
+ .type = ALG_TYPE_HASH,
+ .alg.hash = {
+ .init = rk_ahash_init,
+ .update = rk_ahash_update,
+ .final = rk_ahash_final,
+ .finup = rk_ahash_finup,
+ .export = rk_ahash_export,
+ .import = rk_ahash_import,
+ .digest = rk_ahash_digest,
+ .halg = {
+ .digestsize = SHA256_DIGEST_SIZE,
+ .statesize = sizeof(struct sha256_state),
+ .base = {
+ .cra_name = "sha256",
+ .cra_driver_name = "rk-sha256",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_NEED_FALLBACK,
+ .cra_blocksize = SHA256_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct rk_ahash_ctx),
+ .cra_alignmask = 3,
+ .cra_init = rk_cra_hash_init,
+ .cra_exit = rk_cra_hash_exit,
+ .cra_module = THIS_MODULE,
+ }
+ }
+ }
+};
+
+struct rk_crypto_tmp rk_ahash_md5 = {
+ .type = ALG_TYPE_HASH,
+ .alg.hash = {
+ .init = rk_ahash_init,
+ .update = rk_ahash_update,
+ .final = rk_ahash_final,
+ .finup = rk_ahash_finup,
+ .export = rk_ahash_export,
+ .import = rk_ahash_import,
+ .digest = rk_ahash_digest,
+ .halg = {
+ .digestsize = MD5_DIGEST_SIZE,
+ .statesize = sizeof(struct md5_state),
+ .base = {
+ .cra_name = "md5",
+ .cra_driver_name = "rk-md5",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_NEED_FALLBACK,
+ .cra_blocksize = SHA1_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct rk_ahash_ctx),
+ .cra_alignmask = 3,
+ .cra_init = rk_cra_hash_init,
+ .cra_exit = rk_cra_hash_exit,
+ .cra_module = THIS_MODULE,
+ }
+ }
+ }
+};