[PATCH v11 02/22] crypto: amlogic - Add platform data
From: Alexey Romanov <hidden>
Date: 2024-12-13 14:15:55
Also in:
linux-amlogic, linux-crypto, linux-devicetree, lkml
Subsystem:
arm/amlogic meson soc crypto drivers, crypto api, the rest · Maintainers:
Corentin Labbe, Herbert Xu, "David S. Miller", Linus Torvalds
To support other Amlogic SoC's we have to use platform data: descriptors and status registers offsets are individual for each SoC series. Signed-off-by: Alexey Romanov <redacted> --- drivers/crypto/amlogic/amlogic-gxl-cipher.c | 2 +- drivers/crypto/amlogic/amlogic-gxl-core.c | 22 +++++++++++++++++---- drivers/crypto/amlogic/amlogic-gxl.h | 11 +++++++++++ 3 files changed, 30 insertions(+), 5 deletions(-)
diff --git a/drivers/crypto/amlogic/amlogic-gxl-cipher.c b/drivers/crypto/amlogic/amlogic-gxl-cipher.c
index b19032f92415..7eff3ae7356f 100644
--- a/drivers/crypto/amlogic/amlogic-gxl-cipher.c
+++ b/drivers/crypto/amlogic/amlogic-gxl-cipher.c@@ -225,7 +225,7 @@ static int meson_cipher(struct skcipher_request *areq) reinit_completion(&mc->chanlist[flow].complete); mc->chanlist[flow].status = 0; - writel(mc->chanlist[flow].t_phy | 2, mc->base + (flow << 2)); + writel(mc->chanlist[flow].t_phy | 2, mc->base + ((mc->pdata->descs_reg + flow) << 2)); wait_for_completion_interruptible_timeout(&mc->chanlist[flow].complete, msecs_to_jiffies(500)); if (mc->chanlist[flow].status == 0) {
diff --git a/drivers/crypto/amlogic/amlogic-gxl-core.c b/drivers/crypto/amlogic/amlogic-gxl-core.c
index dc35d7304eb0..d7e455f73c04 100644
--- a/drivers/crypto/amlogic/amlogic-gxl-core.c
+++ b/drivers/crypto/amlogic/amlogic-gxl-core.c@@ -18,6 +18,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/of.h> +#include <linux/of_device.h> #include <linux/platform_device.h> #include "amlogic-gxl.h"
@@ -30,9 +31,10 @@ static irqreturn_t meson_irq_handler(int irq, void *data) for (flow = 0; flow < mc->flow_cnt; flow++) { if (mc->chanlist[flow].irq == irq) { - p = readl(mc->base + ((0x04 + flow) << 2)); + p = readl(mc->base + ((mc->pdata->status_reg + flow) << 2)); if (p) { - writel_relaxed(0xF, mc->base + ((0x4 + flow) << 2)); + writel_relaxed(0xF, mc->base + + ((mc->pdata->status_reg + flow) << 2)); mc->chanlist[flow].status = 1; complete(&mc->chanlist[flow].complete); return IRQ_HANDLED;
@@ -254,6 +256,10 @@ static int meson_crypto_probe(struct platform_device *pdev) if (!mc) return -ENOMEM; + mc->pdata = of_device_get_match_data(&pdev->dev); + if (!mc->pdata) + return -EINVAL; + mc->dev = &pdev->dev; platform_set_drvdata(pdev, mc);
@@ -317,9 +323,17 @@ static void meson_crypto_remove(struct platform_device *pdev) clk_disable_unprepare(mc->busclk); } +static const struct meson_pdata meson_gxl_pdata = { + .descs_reg = 0x0, + .status_reg = 0x4, +}; + static const struct of_device_id meson_crypto_of_match_table[] = { - { .compatible = "amlogic,gxl-crypto", }, - {} + { + .compatible = "amlogic,gxl-crypto", + .data = &meson_gxl_pdata, + }, + {}, }; MODULE_DEVICE_TABLE(of, meson_crypto_of_match_table);
diff --git a/drivers/crypto/amlogic/amlogic-gxl.h b/drivers/crypto/amlogic/amlogic-gxl.h
index 9f1ef87333ae..e0bc5c39bf2c 100644
--- a/drivers/crypto/amlogic/amlogic-gxl.h
+++ b/drivers/crypto/amlogic/amlogic-gxl.h@@ -78,6 +78,16 @@ struct meson_flow { #endif }; +/* + * struct meson_pdata - SoC series dependent data. + * @reg_descs: offset to descriptors register + * @reg_status: offset to status register + */ +struct meson_pdata { + u32 descs_reg; + u32 status_reg; +}; + /* * struct meson_dev - main container for all this driver information * @base: base address of amlogic-crypto
@@ -93,6 +103,7 @@ struct meson_dev { void __iomem *base; struct clk *busclk; struct device *dev; + const struct meson_pdata *pdata; struct meson_flow *chanlist; atomic_t flow; int flow_cnt;
--
2.34.1