|  | // SPDX-License-Identifier: GPL-2.0 | 
|  | /* | 
|  | * dwc3-pci.c - PCI Specific glue layer | 
|  | * | 
|  | * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com | 
|  | * | 
|  | * Authors: Felipe Balbi <balbi@ti.com>, | 
|  | *	    Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 
|  | */ | 
|  |  | 
|  | #include <linux/dmi.h> | 
|  | #include <linux/kernel.h> | 
|  | #include <linux/module.h> | 
|  | #include <linux/slab.h> | 
|  | #include <linux/pci.h> | 
|  | #include <linux/workqueue.h> | 
|  | #include <linux/pm_runtime.h> | 
|  | #include <linux/platform_device.h> | 
|  | #include <linux/gpio/consumer.h> | 
|  | #include <linux/gpio/machine.h> | 
|  | #include <linux/acpi.h> | 
|  | #include <linux/delay.h> | 
|  |  | 
|  | #define PCI_DEVICE_ID_INTEL_BYT			0x0f37 | 
|  | #define PCI_DEVICE_ID_INTEL_MRFLD		0x119e | 
|  | #define PCI_DEVICE_ID_INTEL_BSW			0x22b7 | 
|  | #define PCI_DEVICE_ID_INTEL_SPTLP		0x9d30 | 
|  | #define PCI_DEVICE_ID_INTEL_SPTH		0xa130 | 
|  | #define PCI_DEVICE_ID_INTEL_BXT			0x0aaa | 
|  | #define PCI_DEVICE_ID_INTEL_BXT_M		0x1aaa | 
|  | #define PCI_DEVICE_ID_INTEL_APL			0x5aaa | 
|  | #define PCI_DEVICE_ID_INTEL_KBP			0xa2b0 | 
|  | #define PCI_DEVICE_ID_INTEL_CMLLP		0x02ee | 
|  | #define PCI_DEVICE_ID_INTEL_CMLH		0x06ee | 
|  | #define PCI_DEVICE_ID_INTEL_GLK			0x31aa | 
|  | #define PCI_DEVICE_ID_INTEL_CNPLP		0x9dee | 
|  | #define PCI_DEVICE_ID_INTEL_CNPH		0xa36e | 
|  | #define PCI_DEVICE_ID_INTEL_CNPV		0xa3b0 | 
|  | #define PCI_DEVICE_ID_INTEL_ICLLP		0x34ee | 
|  | #define PCI_DEVICE_ID_INTEL_EHL			0x4b7e | 
|  | #define PCI_DEVICE_ID_INTEL_TGPLP		0xa0ee | 
|  | #define PCI_DEVICE_ID_INTEL_TGPH		0x43ee | 
|  | #define PCI_DEVICE_ID_INTEL_JSP			0x4dee | 
|  | #define PCI_DEVICE_ID_INTEL_WCL			0x4d7e | 
|  | #define PCI_DEVICE_ID_INTEL_ADL			0x460e | 
|  | #define PCI_DEVICE_ID_INTEL_ADL_PCH		0x51ee | 
|  | #define PCI_DEVICE_ID_INTEL_ADLN		0x465e | 
|  | #define PCI_DEVICE_ID_INTEL_ADLN_PCH		0x54ee | 
|  | #define PCI_DEVICE_ID_INTEL_ADLS		0x7ae1 | 
|  | #define PCI_DEVICE_ID_INTEL_RPL			0xa70e | 
|  | #define PCI_DEVICE_ID_INTEL_RPLS		0x7a61 | 
|  | #define PCI_DEVICE_ID_INTEL_MTLM		0x7eb1 | 
|  | #define PCI_DEVICE_ID_INTEL_MTLP		0x7ec1 | 
|  | #define PCI_DEVICE_ID_INTEL_MTLS		0x7f6f | 
|  | #define PCI_DEVICE_ID_INTEL_MTL			0x7e7e | 
|  | #define PCI_DEVICE_ID_INTEL_ARLH_PCH		0x777e | 
|  | #define PCI_DEVICE_ID_INTEL_TGL			0x9a15 | 
|  | #define PCI_DEVICE_ID_INTEL_PTLH		0xe332 | 
|  | #define PCI_DEVICE_ID_INTEL_PTLH_PCH		0xe37e | 
|  | #define PCI_DEVICE_ID_INTEL_PTLU		0xe432 | 
|  | #define PCI_DEVICE_ID_INTEL_PTLU_PCH		0xe47e | 
|  | #define PCI_DEVICE_ID_AMD_MR			0x163a | 
|  |  | 
|  | #define PCI_INTEL_BXT_DSM_GUID		"732b85d5-b7a7-4a1b-9ba0-4bbd00ffd511" | 
|  | #define PCI_INTEL_BXT_FUNC_PMU_PWR	4 | 
|  | #define PCI_INTEL_BXT_STATE_D0		0 | 
|  | #define PCI_INTEL_BXT_STATE_D3		3 | 
|  |  | 
|  | #define GP_RWBAR			1 | 
|  | #define GP_RWREG1			0xa0 | 
|  | #define GP_RWREG1_ULPI_REFCLK_DISABLE	(1 << 17) | 
|  |  | 
|  | /** | 
|  | * struct dwc3_pci - Driver private structure | 
|  | * @dwc3: child dwc3 platform_device | 
|  | * @pci: our link to PCI bus | 
|  | * @guid: _DSM GUID | 
|  | * @has_dsm_for_pm: true for devices which need to run _DSM on runtime PM | 
|  | * @wakeup_work: work for asynchronous resume | 
|  | */ | 
|  | struct dwc3_pci { | 
|  | struct platform_device *dwc3; | 
|  | struct pci_dev *pci; | 
|  |  | 
|  | guid_t guid; | 
|  |  | 
|  | unsigned int has_dsm_for_pm:1; | 
|  | struct work_struct wakeup_work; | 
|  | }; | 
|  |  | 
|  | static const struct acpi_gpio_params reset_gpios = { 0, 0, false }; | 
|  | static const struct acpi_gpio_params cs_gpios = { 1, 0, false }; | 
|  |  | 
|  | static const struct acpi_gpio_mapping acpi_dwc3_byt_gpios[] = { | 
|  | { "reset-gpios", &reset_gpios, 1 }, | 
|  | { "cs-gpios", &cs_gpios, 1 }, | 
|  | { }, | 
|  | }; | 
|  |  | 
|  | static struct gpiod_lookup_table platform_bytcr_gpios = { | 
|  | .dev_id		= "0000:00:16.0", | 
|  | .table		= { | 
|  | GPIO_LOOKUP("INT33FC:00", 54, "cs", GPIO_ACTIVE_HIGH), | 
|  | GPIO_LOOKUP("INT33FC:02", 14, "reset", GPIO_ACTIVE_HIGH), | 
|  | {} | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static int dwc3_byt_enable_ulpi_refclock(struct pci_dev *pci) | 
|  | { | 
|  | void __iomem	*reg; | 
|  | u32		value; | 
|  |  | 
|  | reg = pcim_iomap(pci, GP_RWBAR, 0); | 
|  | if (!reg) | 
|  | return -ENOMEM; | 
|  |  | 
|  | value = readl(reg + GP_RWREG1); | 
|  | if (!(value & GP_RWREG1_ULPI_REFCLK_DISABLE)) | 
|  | goto unmap; /* ULPI refclk already enabled */ | 
|  |  | 
|  | value &= ~GP_RWREG1_ULPI_REFCLK_DISABLE; | 
|  | writel(value, reg + GP_RWREG1); | 
|  | /* This comes from the Intel Android x86 tree w/o any explanation */ | 
|  | msleep(100); | 
|  | unmap: | 
|  | pcim_iounmap(pci, reg); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static const struct property_entry dwc3_pci_intel_properties[] = { | 
|  | PROPERTY_ENTRY_STRING("dr_mode", "peripheral"), | 
|  | PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), | 
|  | {} | 
|  | }; | 
|  |  | 
|  | static const struct property_entry dwc3_pci_intel_phy_charger_detect_properties[] = { | 
|  | PROPERTY_ENTRY_STRING("dr_mode", "peripheral"), | 
|  | PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"), | 
|  | PROPERTY_ENTRY_BOOL("linux,phy_charger_detect"), | 
|  | PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), | 
|  | {} | 
|  | }; | 
|  |  | 
|  | static const struct property_entry dwc3_pci_intel_byt_properties[] = { | 
|  | PROPERTY_ENTRY_STRING("dr_mode", "peripheral"), | 
|  | PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"), | 
|  | PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), | 
|  | {} | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * Intel Merrifield SoC uses these endpoints for tracing and they cannot | 
|  | * be re-allocated if being used because the side band flow control signals | 
|  | * are hard wired to certain endpoints: | 
|  | * - 1 High BW Bulk IN (IN#1) (RTIT) | 
|  | * - 1 1KB BW Bulk IN (IN#8) + 1 1KB BW Bulk OUT (Run Control) (OUT#8) | 
|  | */ | 
|  | static const u8 dwc3_pci_mrfld_reserved_endpoints[] = { 3, 16, 17 }; | 
|  |  | 
|  | static const struct property_entry dwc3_pci_mrfld_properties[] = { | 
|  | PROPERTY_ENTRY_STRING("dr_mode", "otg"), | 
|  | PROPERTY_ENTRY_STRING("linux,extcon-name", "mrfld_bcove_pwrsrc"), | 
|  | PROPERTY_ENTRY_BOOL("snps,dis_u3_susphy_quirk"), | 
|  | PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"), | 
|  | PROPERTY_ENTRY_U8_ARRAY("snps,reserved-endpoints", dwc3_pci_mrfld_reserved_endpoints), | 
|  | PROPERTY_ENTRY_BOOL("snps,usb2-gadget-lpm-disable"), | 
|  | PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), | 
|  | {} | 
|  | }; | 
|  |  | 
|  | static const struct property_entry dwc3_pci_amd_properties[] = { | 
|  | PROPERTY_ENTRY_BOOL("snps,has-lpm-erratum"), | 
|  | PROPERTY_ENTRY_U8("snps,lpm-nyet-threshold", 0xf), | 
|  | PROPERTY_ENTRY_BOOL("snps,u2exit_lfps_quirk"), | 
|  | PROPERTY_ENTRY_BOOL("snps,u2ss_inp3_quirk"), | 
|  | PROPERTY_ENTRY_BOOL("snps,req_p1p2p3_quirk"), | 
|  | PROPERTY_ENTRY_BOOL("snps,del_p1p2p3_quirk"), | 
|  | PROPERTY_ENTRY_BOOL("snps,del_phy_power_chg_quirk"), | 
|  | PROPERTY_ENTRY_BOOL("snps,lfps_filter_quirk"), | 
|  | PROPERTY_ENTRY_BOOL("snps,rx_detect_poll_quirk"), | 
|  | PROPERTY_ENTRY_BOOL("snps,tx_de_emphasis_quirk"), | 
|  | PROPERTY_ENTRY_U8("snps,tx_de_emphasis", 1), | 
|  | /* FIXME these quirks should be removed when AMD NL tapes out */ | 
|  | PROPERTY_ENTRY_BOOL("snps,disable_scramble_quirk"), | 
|  | PROPERTY_ENTRY_BOOL("snps,dis_u3_susphy_quirk"), | 
|  | PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"), | 
|  | PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), | 
|  | {} | 
|  | }; | 
|  |  | 
|  | static const struct property_entry dwc3_pci_mr_properties[] = { | 
|  | PROPERTY_ENTRY_STRING("dr_mode", "otg"), | 
|  | PROPERTY_ENTRY_BOOL("usb-role-switch"), | 
|  | PROPERTY_ENTRY_STRING("role-switch-default-mode", "host"), | 
|  | PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), | 
|  | {} | 
|  | }; | 
|  |  | 
|  | static const struct software_node dwc3_pci_intel_swnode = { | 
|  | .properties = dwc3_pci_intel_properties, | 
|  | }; | 
|  |  | 
|  | static const struct software_node dwc3_pci_intel_phy_charger_detect_swnode = { | 
|  | .properties = dwc3_pci_intel_phy_charger_detect_properties, | 
|  | }; | 
|  |  | 
|  | static const struct software_node dwc3_pci_intel_byt_swnode = { | 
|  | .properties = dwc3_pci_intel_byt_properties, | 
|  | }; | 
|  |  | 
|  | static const struct software_node dwc3_pci_intel_mrfld_swnode = { | 
|  | .properties = dwc3_pci_mrfld_properties, | 
|  | }; | 
|  |  | 
|  | static const struct software_node dwc3_pci_amd_swnode = { | 
|  | .properties = dwc3_pci_amd_properties, | 
|  | }; | 
|  |  | 
|  | static const struct software_node dwc3_pci_amd_mr_swnode = { | 
|  | .properties = dwc3_pci_mr_properties, | 
|  | }; | 
|  |  | 
|  | static int dwc3_pci_quirks(struct dwc3_pci *dwc, | 
|  | const struct software_node *swnode) | 
|  | { | 
|  | struct pci_dev			*pdev = dwc->pci; | 
|  |  | 
|  | if (pdev->vendor == PCI_VENDOR_ID_INTEL) { | 
|  | if (pdev->device == PCI_DEVICE_ID_INTEL_BXT || | 
|  | pdev->device == PCI_DEVICE_ID_INTEL_BXT_M || | 
|  | pdev->device == PCI_DEVICE_ID_INTEL_EHL) { | 
|  | guid_parse(PCI_INTEL_BXT_DSM_GUID, &dwc->guid); | 
|  | dwc->has_dsm_for_pm = true; | 
|  | } | 
|  |  | 
|  | if (pdev->device == PCI_DEVICE_ID_INTEL_BYT) { | 
|  | struct gpio_desc *gpio; | 
|  | const char *bios_ver; | 
|  | int ret; | 
|  |  | 
|  | /* On BYT the FW does not always enable the refclock */ | 
|  | ret = dwc3_byt_enable_ulpi_refclock(pdev); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | ret = devm_acpi_dev_add_driver_gpios(&pdev->dev, | 
|  | acpi_dwc3_byt_gpios); | 
|  | if (ret) | 
|  | dev_dbg(&pdev->dev, "failed to add mapping table\n"); | 
|  |  | 
|  | /* | 
|  | * A lot of BYT devices lack ACPI resource entries for | 
|  | * the GPIOs. If the ACPI entry for the GPIO controller | 
|  | * is present add a fallback mapping to the reference | 
|  | * design GPIOs which all boards seem to use. | 
|  | */ | 
|  | if (acpi_dev_present("INT33FC", NULL, -1)) | 
|  | gpiod_add_lookup_table(&platform_bytcr_gpios); | 
|  |  | 
|  | /* | 
|  | * These GPIOs will turn on the USB2 PHY. Note that we have to | 
|  | * put the gpio descriptors again here because the phy driver | 
|  | * might want to grab them, too. | 
|  | */ | 
|  | gpio = gpiod_get_optional(&pdev->dev, "cs", GPIOD_OUT_LOW); | 
|  | if (IS_ERR(gpio)) | 
|  | return PTR_ERR(gpio); | 
|  |  | 
|  | gpiod_set_value_cansleep(gpio, 1); | 
|  | gpiod_put(gpio); | 
|  |  | 
|  | gpio = gpiod_get_optional(&pdev->dev, "reset", GPIOD_OUT_LOW); | 
|  | if (IS_ERR(gpio)) | 
|  | return PTR_ERR(gpio); | 
|  |  | 
|  | if (gpio) { | 
|  | gpiod_set_value_cansleep(gpio, 1); | 
|  | gpiod_put(gpio); | 
|  | usleep_range(10000, 11000); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Make the pdev name predictable (only 1 DWC3 on BYT) | 
|  | * and patch the phy dev-name into the lookup table so | 
|  | * that the phy-driver can get the GPIOs. | 
|  | */ | 
|  | dwc->dwc3->id = PLATFORM_DEVID_NONE; | 
|  | platform_bytcr_gpios.dev_id = "dwc3.ulpi"; | 
|  |  | 
|  | /* | 
|  | * Some Android tablets with a Crystal Cove PMIC | 
|  | * (INT33FD), rely on the TUSB1211 phy for charger | 
|  | * detection. These can be identified by them _not_ | 
|  | * using the standard ACPI battery and ac drivers. | 
|  | */ | 
|  | bios_ver = dmi_get_system_info(DMI_BIOS_VERSION); | 
|  | if (acpi_dev_present("INT33FD", "1", 2) && | 
|  | acpi_quirk_skip_acpi_ac_and_battery() && | 
|  | /* Lenovo Yoga Tablet 2 Pro 1380 uses LC824206XA instead */ | 
|  | !(bios_ver && | 
|  | strstarts(bios_ver, "BLADE_21.X64.0005.R00.1504101516"))) { | 
|  | dev_info(&pdev->dev, "Using TUSB1211 phy for charger detection\n"); | 
|  | swnode = &dwc3_pci_intel_phy_charger_detect_swnode; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | return device_add_software_node(&dwc->dwc3->dev, swnode); | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_PM | 
|  | static void dwc3_pci_resume_work(struct work_struct *work) | 
|  | { | 
|  | struct dwc3_pci *dwc = container_of(work, struct dwc3_pci, wakeup_work); | 
|  | struct platform_device *dwc3 = dwc->dwc3; | 
|  | int ret; | 
|  |  | 
|  | ret = pm_runtime_get_sync(&dwc3->dev); | 
|  | if (ret < 0) { | 
|  | pm_runtime_put_sync_autosuspend(&dwc3->dev); | 
|  | return; | 
|  | } | 
|  |  | 
|  | pm_runtime_mark_last_busy(&dwc3->dev); | 
|  | pm_runtime_put_sync_autosuspend(&dwc3->dev); | 
|  | } | 
|  | #endif | 
|  |  | 
|  | static int dwc3_pci_probe(struct pci_dev *pci, const struct pci_device_id *id) | 
|  | { | 
|  | struct dwc3_pci		*dwc; | 
|  | struct resource		res[2]; | 
|  | int			ret; | 
|  | struct device		*dev = &pci->dev; | 
|  |  | 
|  | ret = pcim_enable_device(pci); | 
|  | if (ret) { | 
|  | dev_err(dev, "failed to enable pci device\n"); | 
|  | return -ENODEV; | 
|  | } | 
|  |  | 
|  | pci_set_master(pci); | 
|  |  | 
|  | dwc = devm_kzalloc(dev, sizeof(*dwc), GFP_KERNEL); | 
|  | if (!dwc) | 
|  | return -ENOMEM; | 
|  |  | 
|  | dwc->dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO); | 
|  | if (!dwc->dwc3) | 
|  | return -ENOMEM; | 
|  |  | 
|  | memset(res, 0x00, sizeof(struct resource) * ARRAY_SIZE(res)); | 
|  |  | 
|  | res[0].start	= pci_resource_start(pci, 0); | 
|  | res[0].end	= pci_resource_end(pci, 0); | 
|  | res[0].name	= "dwc_usb3"; | 
|  | res[0].flags	= IORESOURCE_MEM; | 
|  |  | 
|  | res[1].start	= pci->irq; | 
|  | res[1].name	= "dwc_usb3"; | 
|  | res[1].flags	= IORESOURCE_IRQ; | 
|  |  | 
|  | ret = platform_device_add_resources(dwc->dwc3, res, ARRAY_SIZE(res)); | 
|  | if (ret) { | 
|  | dev_err(dev, "couldn't add resources to dwc3 device\n"); | 
|  | goto err; | 
|  | } | 
|  |  | 
|  | dwc->pci = pci; | 
|  | dwc->dwc3->dev.parent = dev; | 
|  | ACPI_COMPANION_SET(&dwc->dwc3->dev, ACPI_COMPANION(dev)); | 
|  |  | 
|  | ret = dwc3_pci_quirks(dwc, (void *)id->driver_data); | 
|  | if (ret) | 
|  | goto err; | 
|  |  | 
|  | ret = platform_device_add(dwc->dwc3); | 
|  | if (ret) { | 
|  | dev_err(dev, "failed to register dwc3 device\n"); | 
|  | goto err; | 
|  | } | 
|  |  | 
|  | device_init_wakeup(dev, true); | 
|  | pci_set_drvdata(pci, dwc); | 
|  | pm_runtime_put(dev); | 
|  | #ifdef CONFIG_PM | 
|  | INIT_WORK(&dwc->wakeup_work, dwc3_pci_resume_work); | 
|  | #endif | 
|  |  | 
|  | return 0; | 
|  | err: | 
|  | device_remove_software_node(&dwc->dwc3->dev); | 
|  | platform_device_put(dwc->dwc3); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static void dwc3_pci_remove(struct pci_dev *pci) | 
|  | { | 
|  | struct dwc3_pci		*dwc = pci_get_drvdata(pci); | 
|  | struct pci_dev		*pdev = dwc->pci; | 
|  |  | 
|  | if (pdev->device == PCI_DEVICE_ID_INTEL_BYT) | 
|  | gpiod_remove_lookup_table(&platform_bytcr_gpios); | 
|  | #ifdef CONFIG_PM | 
|  | cancel_work_sync(&dwc->wakeup_work); | 
|  | #endif | 
|  | device_init_wakeup(&pci->dev, false); | 
|  | pm_runtime_get(&pci->dev); | 
|  | device_remove_software_node(&dwc->dwc3->dev); | 
|  | platform_device_unregister(dwc->dwc3); | 
|  | } | 
|  |  | 
|  | static const struct pci_device_id dwc3_pci_id_table[] = { | 
|  | { PCI_DEVICE_DATA(INTEL, BSW, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, BYT, &dwc3_pci_intel_byt_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, MRFLD, &dwc3_pci_intel_mrfld_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, CMLLP, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, CMLH, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, SPTLP, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, SPTH, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, BXT, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, BXT_M, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, APL, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, KBP, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, GLK, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, CNPLP, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, CNPH, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, CNPV, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, ICLLP, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, EHL, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, TGPLP, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, TGPH, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, JSP, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, WCL, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, ADL, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, ADL_PCH, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, ADLN, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, ADLN_PCH, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, ADLS, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, RPL, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, RPLS, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, MTLM, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, MTLP, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, MTL, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, MTLS, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, ARLH_PCH, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, TGL, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, PTLH, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, PTLH_PCH, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, PTLU, &dwc3_pci_intel_swnode) }, | 
|  | { PCI_DEVICE_DATA(INTEL, PTLU_PCH, &dwc3_pci_intel_swnode) }, | 
|  |  | 
|  | { PCI_DEVICE_DATA(AMD, NL_USB, &dwc3_pci_amd_swnode) }, | 
|  | { PCI_DEVICE_DATA(AMD, MR, &dwc3_pci_amd_mr_swnode) }, | 
|  |  | 
|  | {  }	/* Terminating Entry */ | 
|  | }; | 
|  | MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table); | 
|  |  | 
|  | #if defined(CONFIG_PM) || defined(CONFIG_PM_SLEEP) | 
|  | static int dwc3_pci_dsm(struct dwc3_pci *dwc, int param) | 
|  | { | 
|  | union acpi_object *obj; | 
|  | union acpi_object tmp; | 
|  | union acpi_object argv4 = ACPI_INIT_DSM_ARGV4(1, &tmp); | 
|  |  | 
|  | if (!dwc->has_dsm_for_pm) | 
|  | return 0; | 
|  |  | 
|  | tmp.type = ACPI_TYPE_INTEGER; | 
|  | tmp.integer.value = param; | 
|  |  | 
|  | obj = acpi_evaluate_dsm(ACPI_HANDLE(&dwc->pci->dev), &dwc->guid, | 
|  | 1, PCI_INTEL_BXT_FUNC_PMU_PWR, &argv4); | 
|  | if (!obj) { | 
|  | dev_err(&dwc->pci->dev, "failed to evaluate _DSM\n"); | 
|  | return -EIO; | 
|  | } | 
|  |  | 
|  | ACPI_FREE(obj); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  | #endif /* CONFIG_PM || CONFIG_PM_SLEEP */ | 
|  |  | 
|  | #ifdef CONFIG_PM | 
|  | static int dwc3_pci_runtime_suspend(struct device *dev) | 
|  | { | 
|  | struct dwc3_pci		*dwc = dev_get_drvdata(dev); | 
|  |  | 
|  | if (device_can_wakeup(dev)) | 
|  | return dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D3); | 
|  |  | 
|  | return -EBUSY; | 
|  | } | 
|  |  | 
|  | static int dwc3_pci_runtime_resume(struct device *dev) | 
|  | { | 
|  | struct dwc3_pci		*dwc = dev_get_drvdata(dev); | 
|  | int			ret; | 
|  |  | 
|  | ret = dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D0); | 
|  | if (ret) | 
|  | return ret; | 
|  |  | 
|  | queue_work(pm_wq, &dwc->wakeup_work); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  | #endif /* CONFIG_PM */ | 
|  |  | 
|  | #ifdef CONFIG_PM_SLEEP | 
|  | static int dwc3_pci_suspend(struct device *dev) | 
|  | { | 
|  | struct dwc3_pci		*dwc = dev_get_drvdata(dev); | 
|  |  | 
|  | return dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D3); | 
|  | } | 
|  |  | 
|  | static int dwc3_pci_resume(struct device *dev) | 
|  | { | 
|  | struct dwc3_pci		*dwc = dev_get_drvdata(dev); | 
|  |  | 
|  | return dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D0); | 
|  | } | 
|  | #endif /* CONFIG_PM_SLEEP */ | 
|  |  | 
|  | static const struct dev_pm_ops dwc3_pci_dev_pm_ops = { | 
|  | SET_SYSTEM_SLEEP_PM_OPS(dwc3_pci_suspend, dwc3_pci_resume) | 
|  | SET_RUNTIME_PM_OPS(dwc3_pci_runtime_suspend, dwc3_pci_runtime_resume, | 
|  | NULL) | 
|  | }; | 
|  |  | 
|  | static struct pci_driver dwc3_pci_driver = { | 
|  | .name		= "dwc3-pci", | 
|  | .id_table	= dwc3_pci_id_table, | 
|  | .probe		= dwc3_pci_probe, | 
|  | .remove		= dwc3_pci_remove, | 
|  | .driver		= { | 
|  | .pm	= &dwc3_pci_dev_pm_ops, | 
|  | } | 
|  | }; | 
|  |  | 
|  | MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>"); | 
|  | MODULE_LICENSE("GPL v2"); | 
|  | MODULE_DESCRIPTION("DesignWare USB3 PCI Glue Layer"); | 
|  |  | 
|  | module_pci_driver(dwc3_pci_driver); |