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path: root/drivers/crypto/amcc/crypto4xx_core.c
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Diffstat (limited to 'drivers/crypto/amcc/crypto4xx_core.c')
-rw-r--r--drivers/crypto/amcc/crypto4xx_core.c121
1 files changed, 57 insertions, 64 deletions
diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c
index 4c0dfb2b872..37f9cc98ba1 100644
--- a/drivers/crypto/amcc/crypto4xx_core.c
+++ b/drivers/crypto/amcc/crypto4xx_core.c
@@ -27,12 +27,14 @@
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
#include <linux/of_platform.h>
+#include <linux/slab.h>
#include <asm/dcr.h>
#include <asm/dcr-regs.h>
#include <asm/cacheflush.h>
-#include <crypto/internal/hash.h>
-#include <crypto/algapi.h>
#include <crypto/aes.h>
#include <crypto/sha.h>
#include "crypto4xx_reg_def.h"
@@ -52,6 +54,7 @@ static void crypto4xx_hw_init(struct crypto4xx_device *dev)
union ce_io_threshold io_threshold;
u32 rand_num;
union ce_pe_dma_cfg pe_dma_cfg;
+ u32 device_ctrl;
writel(PPC4XX_BYTE_ORDER, dev->ce_base + CRYPTO4XX_BYTE_ORDER_CFG);
/* setup pe dma, include reset sg, pdr and pe, then release reset */
@@ -85,7 +88,9 @@ static void crypto4xx_hw_init(struct crypto4xx_device *dev)
writel(ring_size.w, dev->ce_base + CRYPTO4XX_RING_SIZE);
ring_ctrl.w = 0;
writel(ring_ctrl.w, dev->ce_base + CRYPTO4XX_RING_CTRL);
- writel(PPC4XX_DC_3DES_EN, dev->ce_base + CRYPTO4XX_DEVICE_CTRL);
+ device_ctrl = readl(dev->ce_base + CRYPTO4XX_DEVICE_CTRL);
+ device_ctrl |= PPC4XX_DC_3DES_EN;
+ writel(device_ctrl, dev->ce_base + CRYPTO4XX_DEVICE_CTRL);
writel(dev->gdr_pa, dev->ce_base + CRYPTO4XX_GATH_RING_BASE);
writel(dev->sdr_pa, dev->ce_base + CRYPTO4XX_SCAT_RING_BASE);
part_ring_size.w = 0;
@@ -719,7 +724,6 @@ static void crypto4xx_stop_all(struct crypto4xx_core_device *core_dev)
crypto4xx_destroy_pdr(core_dev->dev);
crypto4xx_destroy_gdr(core_dev->dev);
crypto4xx_destroy_sdr(core_dev->dev);
- dev_set_drvdata(core_dev->device, NULL);
iounmap(core_dev->dev->ce_base);
kfree(core_dev->dev);
kfree(core_dev);
@@ -998,10 +1002,15 @@ static int crypto4xx_alg_init(struct crypto_tfm *tfm)
ctx->sa_out_dma_addr = 0;
ctx->sa_len = 0;
- if (alg->cra_type == &crypto_ablkcipher_type)
+ switch (alg->cra_flags & CRYPTO_ALG_TYPE_MASK) {
+ default:
tfm->crt_ablkcipher.reqsize = sizeof(struct crypto4xx_ctx);
- else if (alg->cra_type == &crypto_ahash_type)
- tfm->crt_ahash.reqsize = sizeof(struct crypto4xx_ctx);
+ break;
+ case CRYPTO_ALG_TYPE_AHASH:
+ crypto_ahash_set_reqsize(__crypto_ahash_cast(tfm),
+ sizeof(struct crypto4xx_ctx));
+ break;
+ }
return 0;
}
@@ -1015,7 +1024,8 @@ static void crypto4xx_alg_exit(struct crypto_tfm *tfm)
}
int crypto4xx_register_alg(struct crypto4xx_device *sec_dev,
- struct crypto_alg *crypto_alg, int array_size)
+ struct crypto4xx_alg_common *crypto_alg,
+ int array_size)
{
struct crypto4xx_alg *alg;
int i;
@@ -1027,13 +1037,18 @@ int crypto4xx_register_alg(struct crypto4xx_device *sec_dev,
return -ENOMEM;
alg->alg = crypto_alg[i];
- INIT_LIST_HEAD(&alg->alg.cra_list);
- if (alg->alg.cra_init == NULL)
- alg->alg.cra_init = crypto4xx_alg_init;
- if (alg->alg.cra_exit == NULL)
- alg->alg.cra_exit = crypto4xx_alg_exit;
alg->dev = sec_dev;
- rc = crypto_register_alg(&alg->alg);
+
+ switch (alg->alg.type) {
+ case CRYPTO_ALG_TYPE_AHASH:
+ rc = crypto_register_ahash(&alg->alg.u.hash);
+ break;
+
+ default:
+ rc = crypto_register_alg(&alg->alg.u.cipher);
+ break;
+ }
+
if (rc) {
list_del(&alg->entry);
kfree(alg);
@@ -1051,7 +1066,14 @@ static void crypto4xx_unregister_alg(struct crypto4xx_device *sec_dev)
list_for_each_entry_safe(alg, tmp, &sec_dev->alg_list, entry) {
list_del(&alg->entry);
- crypto_unregister_alg(&alg->alg);
+ switch (alg->alg.type) {
+ case CRYPTO_ALG_TYPE_AHASH:
+ crypto_unregister_ahash(&alg->alg.u.hash);
+ break;
+
+ default:
+ crypto_unregister_alg(&alg->alg.u.cipher);
+ }
kfree(alg);
}
}
@@ -1104,17 +1126,18 @@ static irqreturn_t crypto4xx_ce_interrupt_handler(int irq, void *data)
/**
* Supported Crypto Algorithms
*/
-struct crypto_alg crypto4xx_alg[] = {
+struct crypto4xx_alg_common crypto4xx_alg[] = {
/* Crypto AES modes */
- {
+ { .type = CRYPTO_ALG_TYPE_ABLKCIPHER, .u.cipher = {
.cra_name = "cbc(aes)",
.cra_driver_name = "cbc-aes-ppc4xx",
.cra_priority = CRYPTO4XX_CRYPTO_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct crypto4xx_ctx),
- .cra_alignmask = 0,
.cra_type = &crypto_ablkcipher_type,
+ .cra_init = crypto4xx_alg_init,
+ .cra_exit = crypto4xx_alg_exit,
.cra_module = THIS_MODULE,
.cra_u = {
.ablkcipher = {
@@ -1126,43 +1149,20 @@ struct crypto_alg crypto4xx_alg[] = {
.decrypt = crypto4xx_decrypt,
}
}
- },
- /* Hash SHA1 */
- {
- .cra_name = "sha1",
- .cra_driver_name = "sha1-ppc4xx",
- .cra_priority = CRYPTO4XX_CRYPTO_PRIORITY,
- .cra_flags = CRYPTO_ALG_TYPE_AHASH | CRYPTO_ALG_ASYNC,
- .cra_blocksize = SHA1_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct crypto4xx_ctx),
- .cra_alignmask = 0,
- .cra_type = &crypto_ahash_type,
- .cra_init = crypto4xx_sha1_alg_init,
- .cra_module = THIS_MODULE,
- .cra_u = {
- .ahash = {
- .digestsize = SHA1_DIGEST_SIZE,
- .init = crypto4xx_hash_init,
- .update = crypto4xx_hash_update,
- .final = crypto4xx_hash_final,
- .digest = crypto4xx_hash_digest,
- }
- }
- },
+ }},
};
/**
* Module Initialization Routine
*/
-static int __init crypto4xx_probe(struct of_device *ofdev,
- const struct of_device_id *match)
+static int __init crypto4xx_probe(struct platform_device *ofdev)
{
int rc;
struct resource res;
struct device *dev = &ofdev->dev;
struct crypto4xx_core_device *core_dev;
- rc = of_address_to_resource(ofdev->node, 0, &res);
+ rc = of_address_to_resource(ofdev->dev.of_node, 0, &res);
if (rc)
return -ENODEV;
@@ -1219,15 +1219,16 @@ static int __init crypto4xx_probe(struct of_device *ofdev,
(unsigned long) dev);
/* Register for Crypto isr, Crypto Engine IRQ */
- core_dev->irq = irq_of_parse_and_map(ofdev->node, 0);
+ core_dev->irq = irq_of_parse_and_map(ofdev->dev.of_node, 0);
rc = request_irq(core_dev->irq, crypto4xx_ce_interrupt_handler, 0,
core_dev->dev->name, dev);
if (rc)
goto err_request_irq;
- core_dev->dev->ce_base = of_iomap(ofdev->node, 0);
+ core_dev->dev->ce_base = of_iomap(ofdev->dev.of_node, 0);
if (!core_dev->dev->ce_base) {
dev_err(dev, "failed to of_iomap\n");
+ rc = -ENOMEM;
goto err_iomap;
}
@@ -1246,9 +1247,9 @@ err_start_dev:
iounmap(core_dev->dev->ce_base);
err_iomap:
free_irq(core_dev->irq, dev);
+err_request_irq:
irq_dispose_mapping(core_dev->irq);
tasklet_kill(&core_dev->tasklet);
-err_request_irq:
crypto4xx_destroy_sdr(core_dev->dev);
err_build_sdr:
crypto4xx_destroy_gdr(core_dev->dev);
@@ -1262,7 +1263,7 @@ err_alloc_dev:
return rc;
}
-static int __exit crypto4xx_remove(struct of_device *ofdev)
+static int __exit crypto4xx_remove(struct platform_device *ofdev)
{
struct device *dev = &ofdev->dev;
struct crypto4xx_core_device *core_dev = dev_get_drvdata(dev);
@@ -1279,30 +1280,22 @@ static int __exit crypto4xx_remove(struct of_device *ofdev)
return 0;
}
-static struct of_device_id crypto4xx_match[] = {
+static const struct of_device_id crypto4xx_match[] = {
{ .compatible = "amcc,ppc4xx-crypto",},
{ },
};
-static struct of_platform_driver crypto4xx_driver = {
- .name = "crypto4xx",
- .match_table = crypto4xx_match,
+static struct platform_driver crypto4xx_driver = {
+ .driver = {
+ .name = "crypto4xx",
+ .owner = THIS_MODULE,
+ .of_match_table = crypto4xx_match,
+ },
.probe = crypto4xx_probe,
.remove = crypto4xx_remove,
};
-static int __init crypto4xx_init(void)
-{
- return of_register_platform_driver(&crypto4xx_driver);
-}
-
-static void __exit crypto4xx_exit(void)
-{
- of_unregister_platform_driver(&crypto4xx_driver);
-}
-
-module_init(crypto4xx_init);
-module_exit(crypto4xx_exit);
+module_platform_driver(crypto4xx_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("James Hsiao <jhsiao@amcc.com>");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-06 02:45:03 +0000