From: Thara Gopinath <thara.gopinath@linaro.org>
To: agross@kernel.org, bjorn.andersson@linaro.org,
herbert@gondor.apana.org.au, davem@davemloft.net,
robh+dt@kernel.org, sboyd@kernel.org, mturquette@baylibre.com
Cc: linux-arm-msm@vger.kernel.org, linux-crypto@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-clk@vger.kernel.org
Subject: [PATCH 3/6] drivers:crypto:qce: Enable support for crypto engine on sdm845.
Date: Tue, 17 Nov 2020 08:47:11 -0500 [thread overview]
Message-ID: <20201117134714.3456446-4-thara.gopinath@linaro.org> (raw)
In-Reply-To: <20201117134714.3456446-1-thara.gopinath@linaro.org>
Add support Qualcomm Crypto Engine accelerated encryption and
authentication algorithms on sdm845.
Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
---
drivers/crypto/qce/core.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/drivers/crypto/qce/core.c b/drivers/crypto/qce/core.c
index ea616b7259ae..67c3ca13e55b 100644
--- a/drivers/crypto/qce/core.c
+++ b/drivers/crypto/qce/core.c
@@ -160,7 +160,21 @@ static int qce_check_version(struct qce_device *qce)
return -ENODEV;
qce->burst_size = QCE_BAM_BURST_SIZE;
- qce->pipe_pair_id = 1;
+
+ /*
+ * Rx and tx pipes are treated as a pair inside CE.
+ * Pipe pair number depended on the actual BAM dma pipe
+ * that is used for transfers. The BAM dma pipes are passed
+ * from the device tree and used to derive the pipe pair
+ * id in the CE driver as follows.
+ * BAM dma pipes(rx, tx) CE pipe pair id
+ * 0,1 0
+ * 2,3 1
+ * 4,5 2
+ * 6,7 3
+ * ...
+ */
+ qce->pipe_pair_id = qce->dma.rxchan->chan_id >> 1;
dev_dbg(qce->dev, "Crypto device found, version %d.%d.%d\n",
major, minor, step);
@@ -261,6 +275,7 @@ static int qce_crypto_remove(struct platform_device *pdev)
static const struct of_device_id qce_crypto_of_match[] = {
{ .compatible = "qcom,crypto-v5.1", },
+ { .compatible = "qcom,crypto-v5.4", },
{}
};
MODULE_DEVICE_TABLE(of, qce_crypto_of_match);
--
2.25.1
next prev parent reply other threads:[~2020-11-17 13:48 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-17 13:47 [PATCH 0/6] Enable Qualcomm Crypto Engine on sdm845 Thara Gopinath
2020-11-17 13:47 ` [PATCH 1/6] dt-binding:clock: Add entry for crypto engine RPMH clock resource Thara Gopinath
2020-11-18 3:57 ` Bjorn Andersson
2020-11-17 13:47 ` [PATCH 2/6] clk:qcom:rpmh: Add CE clock on sdm845 Thara Gopinath
2020-11-18 3:59 ` Bjorn Andersson
2020-11-17 13:47 ` Thara Gopinath [this message]
2020-11-18 4:02 ` [PATCH 3/6] drivers:crypto:qce: Enable support for crypto engine " Bjorn Andersson
2020-11-17 13:47 ` [PATCH 4/6] drivers:crypto:qce: Fix SHA result buffer corruption issues Thara Gopinath
2020-11-18 4:04 ` Bjorn Andersson
2020-11-17 13:47 ` [PATCH 5/6] dts:qcom:sdm845: Add dt entries to support crypto engine Thara Gopinath
2020-11-18 4:10 ` Bjorn Andersson
2020-11-18 19:58 ` Thara Gopinath
2020-11-17 13:47 ` [PATCH 6/6] devicetree:bindings:crypto: Extend qcom-qce binding to add support for crypto engine version 5.4 Thara Gopinath
2020-11-18 4:08 ` Bjorn Andersson
2020-11-17 16:57 ` [PATCH 0/6] Enable Qualcomm Crypto Engine on sdm845 Eric Biggers
2020-11-17 18:07 ` Thara Gopinath
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