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path: root/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c
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Diffstat (limited to 'drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c')
-rw-r--r--drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c82
1 files changed, 46 insertions, 36 deletions
diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c
index 0408b2d5d533..c16bb6ce6ee3 100644
--- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c
+++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c
@@ -92,6 +92,30 @@ static const struct ce_variant ce_h6_variant = {
.trng = CE_ALG_TRNG_V2,
};
+static const struct ce_variant ce_h616_variant = {
+ .alg_cipher = { CE_ALG_AES, CE_ALG_DES, CE_ALG_3DES,
+ },
+ .alg_hash = { CE_ALG_MD5, CE_ALG_SHA1, CE_ALG_SHA224, CE_ALG_SHA256,
+ CE_ALG_SHA384, CE_ALG_SHA512
+ },
+ .op_mode = { CE_OP_ECB, CE_OP_CBC
+ },
+ .cipher_t_dlen_in_bytes = true,
+ .hash_t_dlen_in_bits = true,
+ .prng_t_dlen_in_bytes = true,
+ .trng_t_dlen_in_bytes = true,
+ .needs_word_addresses = true,
+ .ce_clks = {
+ { "bus", 0, 200000000 },
+ { "mod", 300000000, 0 },
+ { "ram", 0, 400000000 },
+ { "trng", 0, 0 },
+ },
+ .esr = ESR_H6,
+ .prng = CE_ALG_PRNG_V2,
+ .trng = CE_ALG_TRNG_V2,
+};
+
static const struct ce_variant ce_a64_variant = {
.alg_cipher = { CE_ALG_AES, CE_ALG_DES, CE_ALG_3DES,
},
@@ -145,6 +169,12 @@ static const struct ce_variant ce_r40_variant = {
.trng = CE_ID_NOTSUPP,
};
+static void sun8i_ce_dump_task_descriptors(struct sun8i_ce_flow *chan)
+{
+ print_hex_dump(KERN_INFO, "TASK: ", DUMP_PREFIX_NONE, 16, 4,
+ chan->tl, sizeof(struct ce_task), false);
+}
+
/*
* sun8i_ce_get_engine_number() get the next channel slot
* This is a simple round-robin way of getting the next channel
@@ -159,7 +189,6 @@ int sun8i_ce_run_task(struct sun8i_ce_dev *ce, int flow, const char *name)
{
u32 v;
int err = 0;
- struct ce_task *cet = ce->chanlist[flow].tl;
#ifdef CONFIG_CRYPTO_DEV_SUN8I_CE_DEBUG
ce->chanlist[flow].stat_req++;
@@ -172,7 +201,7 @@ int sun8i_ce_run_task(struct sun8i_ce_dev *ce, int flow, const char *name)
writel(v, ce->base + CE_ICR);
reinit_completion(&ce->chanlist[flow].complete);
- writel(ce->chanlist[flow].t_phy, ce->base + CE_TDQ);
+ writel(desc_addr_val(ce, ce->chanlist[flow].t_phy), ce->base + CE_TDQ);
ce->chanlist[flow].status = 0;
/* Be sure all data is written before enabling the task */
@@ -186,11 +215,10 @@ int sun8i_ce_run_task(struct sun8i_ce_dev *ce, int flow, const char *name)
mutex_unlock(&ce->mlock);
wait_for_completion_interruptible_timeout(&ce->chanlist[flow].complete,
- msecs_to_jiffies(ce->chanlist[flow].timeout));
+ msecs_to_jiffies(CE_DMA_TIMEOUT_MS));
if (ce->chanlist[flow].status == 0) {
- dev_err(ce->dev, "DMA timeout for %s (tm=%d) on flow %d\n", name,
- ce->chanlist[flow].timeout, flow);
+ dev_err(ce->dev, "DMA timeout for %s on flow %d\n", name, flow);
err = -EFAULT;
}
/* No need to lock for this read, the channel is locked so
@@ -202,9 +230,8 @@ int sun8i_ce_run_task(struct sun8i_ce_dev *ce, int flow, const char *name)
/* Sadly, the error bit is not per flow */
if (v) {
dev_err(ce->dev, "CE ERROR: %x for flow %x\n", v, flow);
+ sun8i_ce_dump_task_descriptors(&ce->chanlist[flow]);
err = -EFAULT;
- print_hex_dump(KERN_INFO, "TASK: ", DUMP_PREFIX_NONE, 16, 4,
- cet, sizeof(struct ce_task), false);
}
if (v & CE_ERR_ALGO_NOTSUP)
dev_err(ce->dev, "CE ERROR: algorithm not supported\n");
@@ -221,9 +248,8 @@ int sun8i_ce_run_task(struct sun8i_ce_dev *ce, int flow, const char *name)
v &= 0xF;
if (v) {
dev_err(ce->dev, "CE ERROR: %x for flow %x\n", v, flow);
+ sun8i_ce_dump_task_descriptors(&ce->chanlist[flow]);
err = -EFAULT;
- print_hex_dump(KERN_INFO, "TASK: ", DUMP_PREFIX_NONE, 16, 4,
- cet, sizeof(struct ce_task), false);
}
if (v & CE_ERR_ALGO_NOTSUP)
dev_err(ce->dev, "CE ERROR: algorithm not supported\n");
@@ -237,9 +263,8 @@ int sun8i_ce_run_task(struct sun8i_ce_dev *ce, int flow, const char *name)
v &= 0xFF;
if (v) {
dev_err(ce->dev, "CE ERROR: %x for flow %x\n", v, flow);
+ sun8i_ce_dump_task_descriptors(&ce->chanlist[flow]);
err = -EFAULT;
- print_hex_dump(KERN_INFO, "TASK: ", DUMP_PREFIX_NONE, 16, 4,
- cet, sizeof(struct ce_task), false);
}
if (v & CE_ERR_ALGO_NOTSUP)
dev_err(ce->dev, "CE ERROR: algorithm not supported\n");
@@ -734,18 +759,6 @@ static int sun8i_ce_allocate_chanlist(struct sun8i_ce_dev *ce)
err = -ENOMEM;
goto error_engine;
}
- ce->chanlist[i].bounce_iv = devm_kmalloc(ce->dev, AES_BLOCK_SIZE,
- GFP_KERNEL | GFP_DMA);
- if (!ce->chanlist[i].bounce_iv) {
- err = -ENOMEM;
- goto error_engine;
- }
- ce->chanlist[i].backup_iv = devm_kmalloc(ce->dev, AES_BLOCK_SIZE,
- GFP_KERNEL);
- if (!ce->chanlist[i].backup_iv) {
- err = -ENOMEM;
- goto error_engine;
- }
}
return 0;
error_engine:
@@ -808,13 +821,12 @@ static int sun8i_ce_pm_init(struct sun8i_ce_dev *ce)
err = pm_runtime_set_suspended(ce->dev);
if (err)
return err;
- pm_runtime_enable(ce->dev);
- return err;
-}
-static void sun8i_ce_pm_exit(struct sun8i_ce_dev *ce)
-{
- pm_runtime_disable(ce->dev);
+ err = devm_pm_runtime_enable(ce->dev);
+ if (err)
+ return err;
+
+ return 0;
}
static int sun8i_ce_get_clks(struct sun8i_ce_dev *ce)
@@ -1017,7 +1029,7 @@ static int sun8i_ce_probe(struct platform_device *pdev)
"sun8i-ce-ns", ce);
if (err) {
dev_err(ce->dev, "Cannot request CryptoEngine Non-secure IRQ (err=%d)\n", err);
- goto error_irq;
+ goto error_pm;
}
err = sun8i_ce_register_algs(ce);
@@ -1040,7 +1052,7 @@ static int sun8i_ce_probe(struct platform_device *pdev)
pm_runtime_put_sync(ce->dev);
if (IS_ENABLED(CONFIG_CRYPTO_DEV_SUN8I_CE_DEBUG)) {
- struct dentry *dbgfs_dir __maybe_unused;
+ struct dentry *dbgfs_dir;
struct dentry *dbgfs_stats __maybe_unused;
/* Ignore error of debugfs */
@@ -1058,8 +1070,6 @@ static int sun8i_ce_probe(struct platform_device *pdev)
return 0;
error_alg:
sun8i_ce_unregister_algs(ce);
-error_irq:
- sun8i_ce_pm_exit(ce);
error_pm:
sun8i_ce_free_chanlist(ce, MAXFLOW - 1);
return err;
@@ -1080,8 +1090,6 @@ static void sun8i_ce_remove(struct platform_device *pdev)
#endif
sun8i_ce_free_chanlist(ce, MAXFLOW - 1);
-
- sun8i_ce_pm_exit(ce);
}
static const struct of_device_id sun8i_ce_crypto_of_match_table[] = {
@@ -1097,13 +1105,15 @@ static const struct of_device_id sun8i_ce_crypto_of_match_table[] = {
.data = &ce_h5_variant },
{ .compatible = "allwinner,sun50i-h6-crypto",
.data = &ce_h6_variant },
+ { .compatible = "allwinner,sun50i-h616-crypto",
+ .data = &ce_h616_variant },
{}
};
MODULE_DEVICE_TABLE(of, sun8i_ce_crypto_of_match_table);
static struct platform_driver sun8i_ce_driver = {
.probe = sun8i_ce_probe,
- .remove_new = sun8i_ce_remove,
+ .remove = sun8i_ce_remove,
.driver = {
.name = "sun8i-ce",
.pm = &sun8i_ce_pm_ops,
generated by cgit (git 2.34.1) at 2025-12-28 16:31:04 +0000