| Message ID | 20201117134714.3456446-4-thara.gopinath@linaro.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Enable Qualcomm Crypto Engine on sdm845 | expand |
On Tue 17 Nov 07:47 CST 2020, Thara Gopinath wrote: > Add support Qualcomm Crypto Engine accelerated encryption and > authentication algorithms on sdm845. > Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Regards, Bjorn > 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 >
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);
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(-)