linux/drivers/usb/host/xhci-histb.c

// SPDX-License-Identifier: GPL-2.0
/*
 * xHCI host controller driver for HiSilicon STB SoCs
 *
 * Copyright (C) 2017-2018 HiSilicon Co., Ltd. http://www.hisilicon.com
 *
 * Authors: Jianguo Sun <[email protected]>
 */

#include <linux/clk.h>
#include <linux/dma-mapping.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/reset.h>

#include "xhci.h"

#define GTXTHRCFG …
#define GRXTHRCFG …
#define REG_GUSB2PHYCFG0 …
#define BIT_UTMI_8_16 …
#define BIT_UTMI_ULPI …
#define BIT_FREECLK_EXIST …

#define REG_GUSB3PIPECTL0 …
#define USB3_DEEMPHASIS_MASK …
#define USB3_DEEMPHASIS0 …
#define USB3_TX_MARGIN1 …

struct xhci_hcd_histb { … };

static inline struct xhci_hcd_histb *hcd_to_histb(struct usb_hcd *hcd)
{ … }

static int xhci_histb_config(struct xhci_hcd_histb *histb)
{ … }

static int xhci_histb_clks_get(struct xhci_hcd_histb *histb)
{ … }

static int xhci_histb_host_enable(struct xhci_hcd_histb *histb)
{ … }

static void xhci_histb_host_disable(struct xhci_hcd_histb *histb)
{ … }

/* called during probe() after chip reset completes */
static int xhci_histb_setup(struct usb_hcd *hcd)
{ … }

static const struct xhci_driver_overrides xhci_histb_overrides __initconst = …;

static struct hc_driver __read_mostly xhci_histb_hc_driver;
static int xhci_histb_probe(struct platform_device *pdev)
{ … }

static void xhci_histb_remove(struct platform_device *dev)
{ … }

static int __maybe_unused xhci_histb_suspend(struct device *dev)
{ … }

static int __maybe_unused xhci_histb_resume(struct device *dev)
{ … }

static const struct dev_pm_ops xhci_histb_pm_ops = …;
#define DEV_PM_OPS …

#ifdef CONFIG_OF
static const struct of_device_id histb_xhci_of_match[] = …;
MODULE_DEVICE_TABLE(of, histb_xhci_of_match);
#endif

static struct platform_driver histb_xhci_driver = …;
MODULE_ALIAS(…) …;

static int __init xhci_histb_init(void)
{ … }
module_init(…) …;

static void __exit xhci_histb_exit(void)
{ … }
module_exit(xhci_histb_exit);

MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;