From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/usb/host/xhci-plat.c | 240 ++++++++++++++++++++++++++++++++++++++++++-----------------
1 files changed, 170 insertions(+), 70 deletions(-)
diff --git a/kernel/drivers/usb/host/xhci-plat.c b/kernel/drivers/usb/host/xhci-plat.c
index 6b258e6..1c59275 100644
--- a/kernel/drivers/usb/host/xhci-plat.c
+++ b/kernel/drivers/usb/host/xhci-plat.c
@@ -2,7 +2,7 @@
/*
* xhci-plat.c - xHCI host controller driver platform Bus Glue.
*
- * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com
+ * Copyright (C) 2012 Texas Instruments Incorporated - https://www.ti.com
* Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
*
* A lot of code borrowed from the Linux xHCI driver.
@@ -18,6 +18,7 @@
#include <linux/usb/phy.h>
#include <linux/slab.h>
#include <linux/acpi.h>
+#include <linux/usb/of.h>
#include "xhci.h"
#include "xhci-plat.h"
@@ -43,6 +44,16 @@
priv->plat_start(hcd);
}
+static int xhci_priv_plat_setup(struct usb_hcd *hcd)
+{
+ struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd);
+
+ if (!priv->plat_setup)
+ return 0;
+
+ return priv->plat_setup(hcd);
+}
+
static int xhci_priv_init_quirk(struct usb_hcd *hcd)
{
struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd);
@@ -51,6 +62,16 @@
return 0;
return priv->init_quirk(hcd);
+}
+
+static int xhci_priv_suspend_quirk(struct usb_hcd *hcd)
+{
+ struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd);
+
+ if (!priv->suspend_quirk)
+ return 0;
+
+ return priv->suspend_quirk(hcd);
}
static int xhci_priv_resume_quirk(struct usb_hcd *hcd)
@@ -65,12 +86,14 @@
static void xhci_plat_quirks(struct device *dev, struct xhci_hcd *xhci)
{
+ struct xhci_plat_priv *priv = xhci_to_priv(xhci);
+
/*
* As of now platform drivers don't provide MSI support so we ensure
* here that the generic code does not try to make a pci_dev from our
* dev struct in order to setup MSI
*/
- xhci->quirks |= XHCI_PLAT;
+ xhci->quirks |= XHCI_PLAT | priv->quirks;
}
/* called during probe() after chip reset completes */
@@ -97,18 +120,21 @@
.init_quirk = xhci_mvebu_mbus_init_quirk,
};
+static const struct xhci_plat_priv xhci_plat_marvell_armada3700 = {
+ .plat_setup = xhci_mvebu_a3700_plat_setup,
+ .init_quirk = xhci_mvebu_a3700_init_quirk,
+};
+
static const struct xhci_plat_priv xhci_plat_renesas_rcar_gen2 = {
- .firmware_name = XHCI_RCAR_FIRMWARE_NAME_V1,
- .init_quirk = xhci_rcar_init_quirk,
- .plat_start = xhci_rcar_start,
- .resume_quirk = xhci_rcar_resume_quirk,
+ SET_XHCI_PLAT_PRIV_FOR_RCAR(XHCI_RCAR_FIRMWARE_NAME_V1)
};
static const struct xhci_plat_priv xhci_plat_renesas_rcar_gen3 = {
- .firmware_name = XHCI_RCAR_FIRMWARE_NAME_V3,
- .init_quirk = xhci_rcar_init_quirk,
- .plat_start = xhci_rcar_start,
- .resume_quirk = xhci_rcar_resume_quirk,
+ SET_XHCI_PLAT_PRIV_FOR_RCAR(XHCI_RCAR_FIRMWARE_NAME_V3)
+};
+
+static const struct xhci_plat_priv xhci_plat_brcm = {
+ .quirks = XHCI_RESET_ON_RESUME | XHCI_SUSPEND_RESUME_CLKS,
};
static const struct of_device_id usb_xhci_of_match[] = {
@@ -116,12 +142,16 @@
.compatible = "generic-xhci",
}, {
.compatible = "xhci-platform",
+#ifndef CONFIG_ARCH_ROCKCHIP
}, {
.compatible = "marvell,armada-375-xhci",
.data = &xhci_plat_marvell_armada,
}, {
.compatible = "marvell,armada-380-xhci",
.data = &xhci_plat_marvell_armada,
+ }, {
+ .compatible = "marvell,armada3700-xhci",
+ .data = &xhci_plat_marvell_armada3700,
}, {
.compatible = "renesas,xhci-r8a7790",
.data = &xhci_plat_renesas_rcar_gen2,
@@ -143,11 +173,53 @@
}, {
.compatible = "renesas,rcar-gen3-xhci",
.data = &xhci_plat_renesas_rcar_gen3,
+ }, {
+ .compatible = "brcm,xhci-brcm-v2",
+ .data = &xhci_plat_brcm,
+ }, {
+ .compatible = "brcm,bcm7445-xhci",
+ .data = &xhci_plat_brcm,
+#endif
},
{},
};
MODULE_DEVICE_TABLE(of, usb_xhci_of_match);
#endif
+
+static struct xhci_plat_priv_overwrite xhci_plat_vendor_overwrite;
+
+int xhci_plat_register_vendor_ops(struct xhci_vendor_ops *vendor_ops)
+{
+ if (vendor_ops == NULL)
+ return -EINVAL;
+
+ xhci_plat_vendor_overwrite.vendor_ops = vendor_ops;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(xhci_plat_register_vendor_ops);
+
+static int xhci_vendor_init(struct xhci_hcd *xhci)
+{
+ struct xhci_vendor_ops *ops = NULL;
+
+ if (xhci_plat_vendor_overwrite.vendor_ops)
+ ops = xhci->vendor_ops = xhci_plat_vendor_overwrite.vendor_ops;
+
+ if (ops && ops->vendor_init)
+ return ops->vendor_init(xhci);
+ return 0;
+}
+
+static void xhci_vendor_cleanup(struct xhci_hcd *xhci)
+{
+ struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
+
+ if (ops && ops->vendor_cleanup)
+ ops->vendor_cleanup(xhci);
+
+ xhci->vendor_ops = NULL;
+}
static int xhci_plat_probe(struct platform_device *pdev)
{
@@ -157,10 +229,10 @@
struct xhci_hcd *xhci;
struct resource *res;
struct usb_hcd *hcd;
- struct clk *clk;
- struct clk *reg_clk;
int ret;
int irq;
+ struct xhci_plat_priv *priv = NULL;
+
if (usb_disabled())
return -ENODEV;
@@ -217,8 +289,7 @@
goto disable_runtime;
}
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- hcd->regs = devm_ioremap_resource(&pdev->dev, res);
+ hcd->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
if (IS_ERR(hcd->regs)) {
ret = PTR_ERR(hcd->regs);
goto put_hcd;
@@ -227,44 +298,45 @@
hcd->rsrc_start = res->start;
hcd->rsrc_len = resource_size(res);
+ xhci = hcd_to_xhci(hcd);
+
/*
* Not all platforms have clks so it is not an error if the
* clock do not exist.
*/
- reg_clk = devm_clk_get(&pdev->dev, "reg");
- if (!IS_ERR(reg_clk)) {
- ret = clk_prepare_enable(reg_clk);
- if (ret)
- goto put_hcd;
- } else if (PTR_ERR(reg_clk) == -EPROBE_DEFER) {
- ret = -EPROBE_DEFER;
+ xhci->reg_clk = devm_clk_get_optional(&pdev->dev, "reg");
+ if (IS_ERR(xhci->reg_clk)) {
+ ret = PTR_ERR(xhci->reg_clk);
goto put_hcd;
}
- clk = devm_clk_get(&pdev->dev, NULL);
- if (!IS_ERR(clk)) {
- ret = clk_prepare_enable(clk);
- if (ret)
- goto disable_reg_clk;
- } else if (PTR_ERR(clk) == -EPROBE_DEFER) {
- ret = -EPROBE_DEFER;
+ ret = clk_prepare_enable(xhci->reg_clk);
+ if (ret)
+ goto put_hcd;
+
+ xhci->clk = devm_clk_get_optional(&pdev->dev, NULL);
+ if (IS_ERR(xhci->clk)) {
+ ret = PTR_ERR(xhci->clk);
goto disable_reg_clk;
}
- xhci = hcd_to_xhci(hcd);
- priv_match = of_device_get_match_data(&pdev->dev);
- if (priv_match) {
- struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd);
+ ret = clk_prepare_enable(xhci->clk);
+ if (ret)
+ goto disable_reg_clk;
+ if (pdev->dev.of_node)
+ priv_match = of_device_get_match_data(&pdev->dev);
+ else
+ priv_match = dev_get_platdata(&pdev->dev);
+
+ if (priv_match) {
+ priv = hcd_to_xhci_priv(hcd);
/* Just copy data for now */
- if (priv_match)
- *priv = *priv_match;
+ *priv = *priv_match;
}
- device_wakeup_enable(hcd->self.controller);
+ device_set_wakeup_capable(&pdev->dev, true);
- xhci->clk = clk;
- xhci->reg_clk = reg_clk;
xhci->main_hcd = hcd;
xhci->shared_hcd = __usb_create_hcd(driver, sysdev, &pdev->dev,
dev_name(&pdev->dev), hcd);
@@ -288,25 +360,12 @@
if (device_property_read_bool(tmpdev, "quirk-broken-port-ped"))
xhci->quirks |= XHCI_BROKEN_PORT_PED;
- if (device_property_read_bool(tmpdev, "xhci-slow-suspend"))
- xhci->quirks |= XHCI_SLOW_SUSPEND;
-
- if (device_property_read_bool(tmpdev, "xhci-trb-ent-quirk"))
- xhci->quirks |= XHCI_TRB_ENT_QUIRK;
-
- if (device_property_read_bool(tmpdev, "usb3-dis-autosuspend"))
- xhci->quirks |= XHCI_DIS_AUTOSUSPEND;
-
- if (device_property_read_bool(tmpdev,
- "xhci-warm-reset-on-suspend"))
- xhci->quirks |= XHCI_WARM_RESET_ON_SUSPEND;
+ if (device_property_read_bool(tmpdev, "quirk-skip-phy-init"))
+ xhci->quirks |= XHCI_SKIP_PHY_INIT;
if (device_property_read_bool(tmpdev,
"xhci-u2-broken-suspend"))
xhci->quirks |= XHCI_U2_BROKEN_SUSPEND;
-
- if (device_property_read_bool(tmpdev, "quirk-skip-phy-init"))
- xhci->quirks |= XHCI_SKIP_PHY_INIT;
device_property_read_u32(tmpdev, "imod-interval-ns",
&xhci->imod_interval);
@@ -324,17 +383,24 @@
goto put_usb3_hcd;
}
- xhci->shared_hcd->usb_phy = devm_usb_get_phy(sysdev,
- USB_PHY_TYPE_USB3);
- if (IS_ERR(xhci->shared_hcd->usb_phy)) {
- ret = PTR_ERR(xhci->shared_hcd->usb_phy);
- if (ret == -EPROBE_DEFER)
- goto put_usb3_hcd;
- xhci->shared_hcd->usb_phy = NULL;
+ ret = xhci_vendor_init(xhci);
+ if (ret)
+ goto disable_usb_phy;
+
+ hcd->tpl_support = of_usb_host_tpl_support(sysdev->of_node);
+ xhci->shared_hcd->tpl_support = hcd->tpl_support;
+
+ if (priv) {
+ ret = xhci_priv_plat_setup(hcd);
+ if (ret)
+ goto disable_usb_phy;
}
- if (xhci->quirks & XHCI_SKIP_PHY_INIT)
+ if ((xhci->quirks & XHCI_SKIP_PHY_INIT) || (priv && (priv->quirks & XHCI_SKIP_PHY_INIT)))
hcd->skip_phy_initialization = 1;
+
+ if (priv && (priv->quirks & XHCI_SG_TRB_CACHE_SIZE_QUIRK))
+ xhci->quirks |= XHCI_SG_TRB_CACHE_SIZE_QUIRK;
ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
if (ret)
@@ -369,10 +435,10 @@
usb_put_hcd(xhci->shared_hcd);
disable_clk:
- clk_disable_unprepare(clk);
+ clk_disable_unprepare(xhci->clk);
disable_reg_clk:
- clk_disable_unprepare(reg_clk);
+ clk_disable_unprepare(xhci->reg_clk);
put_hcd:
usb_put_hcd(hcd);
@@ -400,8 +466,10 @@
usb_phy_shutdown(hcd->usb_phy);
usb_remove_hcd(hcd);
- usb_put_hcd(shared_hcd);
+ xhci_vendor_cleanup(xhci);
+
+ usb_put_hcd(shared_hcd);
clk_disable_unprepare(clk);
clk_disable_unprepare(reg_clk);
usb_put_hcd(hcd);
@@ -417,16 +485,28 @@
{
struct usb_hcd *hcd = dev_get_drvdata(dev);
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
+ int ret;
+ if (pm_runtime_suspended(dev))
+ pm_runtime_resume(dev);
+
+ ret = xhci_priv_suspend_quirk(hcd);
+ if (ret)
+ return ret;
/*
* xhci_suspend() needs `do_wakeup` to know whether host is allowed
- * to do wakeup during suspend. Since xhci_plat_suspend is currently
- * only designed for system suspend, device_may_wakeup() is enough
- * to dertermine whether host is allowed to do wakeup. Need to
- * reconsider this when xhci_plat_suspend enlarges its scope, e.g.,
- * also applies to runtime suspend.
+ * to do wakeup during suspend.
*/
- return xhci_suspend(xhci, device_may_wakeup(dev));
+ ret = xhci_suspend(xhci, device_may_wakeup(dev));
+ if (ret)
+ return ret;
+
+ if (!device_may_wakeup(dev) && (xhci->quirks & XHCI_SUSPEND_RESUME_CLKS)) {
+ clk_disable_unprepare(xhci->clk);
+ clk_disable_unprepare(xhci->reg_clk);
+ }
+
+ return 0;
}
static int __maybe_unused xhci_plat_resume(struct device *dev)
@@ -435,17 +515,35 @@
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
int ret;
+ if (!device_may_wakeup(dev) && (xhci->quirks & XHCI_SUSPEND_RESUME_CLKS)) {
+ clk_prepare_enable(xhci->clk);
+ clk_prepare_enable(xhci->reg_clk);
+ }
+
ret = xhci_priv_resume_quirk(hcd);
if (ret)
return ret;
- return xhci_resume(xhci, 0);
+ ret = xhci_resume(xhci, 0);
+ if (ret)
+ return ret;
+
+ pm_runtime_disable(dev);
+ pm_runtime_set_active(dev);
+ pm_runtime_enable(dev);
+
+ return 0;
}
static int __maybe_unused xhci_plat_runtime_suspend(struct device *dev)
{
struct usb_hcd *hcd = dev_get_drvdata(dev);
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
+ int ret;
+
+ ret = xhci_priv_suspend_quirk(hcd);
+ if (ret)
+ return ret;
return xhci_suspend(xhci, true);
}
@@ -466,12 +564,14 @@
NULL)
};
+#ifdef CONFIG_ACPI
static const struct acpi_device_id usb_xhci_acpi_match[] = {
/* XHCI-compliant USB Controller */
{ "PNP0D10", },
{ }
};
MODULE_DEVICE_TABLE(acpi, usb_xhci_acpi_match);
+#endif
static struct platform_driver usb_xhci_driver = {
.probe = xhci_plat_probe,
--
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