[deliverable/linux.git] / drivers / usb / dwc3 / dwc3-pci.c

/**
 * dwc3-pci.c - PCI Specific glue layer
 *
 * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com
 *
 * Authors: Felipe Balbi <balbi@ti.com>,
 *	    Sebastian Andrzej Siewior <bigeasy@linutronix.de>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2  of
 * the License as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/pm_runtime.h>
#include <linux/platform_device.h>
#include <linux/gpio/consumer.h>
#include <linux/acpi.h>
#include <linux/delay.h>

#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3		0xabcd
#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3_AXI	0xabce
#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB31	0xabcf
#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

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 int dwc3_pci_quirks(struct pci_dev *pdev, struct platform_device *dwc3)
{
	if (pdev->vendor == PCI_VENDOR_ID_AMD &&
	    pdev->device == PCI_DEVICE_ID_AMD_NL_USB) {
		struct property_entry 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"),
			{ },
		};

		return platform_device_add_properties(dwc3, properties);
	}

	if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
		int ret;

		struct property_entry properties[] = {
			PROPERTY_ENTRY_STRING("dr-mode", "peripheral"),
			{ }
		};

		ret = platform_device_add_properties(dwc3, properties);
		if (ret < 0)
			return ret;

		if (pdev->device == PCI_DEVICE_ID_INTEL_BYT) {
			struct gpio_desc *gpio;

			acpi_dev_add_driver_gpios(ACPI_COMPANION(&pdev->dev),
					acpi_dwc3_byt_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);
			}
		}
	}

	if (pdev->vendor == PCI_VENDOR_ID_SYNOPSYS &&
	    (pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 ||
	     pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3_AXI ||
	     pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB31)) {
		struct property_entry properties[] = {
			PROPERTY_ENTRY_BOOL("snps,usb3_lpm_capable"),
			PROPERTY_ENTRY_BOOL("snps,has-lpm-erratum"),
			PROPERTY_ENTRY_BOOL("snps,dis_enblslpm_quirk"),
			{ },
		};

		return platform_device_add_properties(dwc3, properties);
	}

	return 0;
}

static int dwc3_pci_probe(struct pci_dev *pci,
		const struct pci_device_id *id)
{
	struct resource		res[2];
	struct platform_device	*dwc3;
	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);

	dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO);
	if (!dwc3) {
		dev_err(dev, "couldn't allocate dwc3 device\n");
		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(dwc3, res, ARRAY_SIZE(res));
	if (ret) {
		dev_err(dev, "couldn't add resources to dwc3 device\n");
		return ret;
	}

	dwc3->dev.parent = dev;
	ACPI_COMPANION_SET(&dwc3->dev, ACPI_COMPANION(dev));

	ret = dwc3_pci_quirks(pci, dwc3);
	if (ret)
		goto err;

	ret = platform_device_add(dwc3);
	if (ret) {
		dev_err(dev, "failed to register dwc3 device\n");
		goto err;
	}

	device_init_wakeup(dev, true);
	device_set_run_wake(dev, true);
	pci_set_drvdata(pci, dwc3);
	pm_runtime_put(dev);

	return 0;
err:
	platform_device_put(dwc3);
	return ret;
}

static void dwc3_pci_remove(struct pci_dev *pci)
{
	device_init_wakeup(&pci->dev, false);
	pm_runtime_get(&pci->dev);
	acpi_dev_remove_driver_gpios(ACPI_COMPANION(&pci->dev));
	platform_device_unregister(pci_get_drvdata(pci));
}

static const struct pci_device_id dwc3_pci_id_table[] = {
	{
		PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
				PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3),
	},
	{
		PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
				PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3_AXI),
	},
	{
		PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
				PCI_DEVICE_ID_SYNOPSYS_HAPSUSB31),
	},
	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BSW), },
	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT), },
	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), },
	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SPTLP), },
	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SPTH), },
	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BXT), },
	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BXT_M), },
	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_APL), },
	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_KBP), },
	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB), },
	{  }	/* Terminating Entry */
};
MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table);

#ifdef CONFIG_PM
static int dwc3_pci_runtime_suspend(struct device *dev)
{
	if (device_run_wake(dev))
		return 0;

	return -EBUSY;
}

static int dwc3_pci_runtime_resume(struct device *dev)
{
	struct platform_device *dwc3 = dev_get_drvdata(dev);

	return pm_runtime_get(&dwc3->dev);
}
#endif /* CONFIG_PM */

#ifdef CONFIG_PM_SLEEP
static int dwc3_pci_pm_dummy(struct device *dev)
{
	/*
	 * There's nothing to do here. No, seriously. Everything is either taken
	 * care either by PCI subsystem or dwc3/core.c, so we have nothing
	 * missing here.
	 *
	 * So you'd think we didn't need this at all, but PCI subsystem will
	 * bail out if we don't have a valid callback :-s
	 */
	return 0;
}
#endif /* CONFIG_PM_SLEEP */

static struct dev_pm_ops dwc3_pci_dev_pm_ops = {
	SET_SYSTEM_SLEEP_PM_OPS(dwc3_pci_pm_dummy, dwc3_pci_pm_dummy)
	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);
Commit	Line	Data
72246da4 FB	1	/**
	2	* dwc3-pci.c - PCI Specific glue layer
	3	*
	4	* Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com
72246da4 FB	5	*
	6	* Authors: Felipe Balbi <balbi@ti.com>,
	7	* Sebastian Andrzej Siewior <bigeasy@linutronix.de>
	8	*
5945f789 FB	9	* This program is free software: you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License version 2 of
	11	* the License as published by the Free Software Foundation.
72246da4	12	*
5945f789 FB	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
72246da4 FB	17	*/
	18
	19	#include <linux/kernel.h>
46a57283	20	#include <linux/module.h>
72246da4 FB	21	#include <linux/slab.h>
72246da4 FB	22	#include <linux/pci.h>
e9af9229	23	#include <linux/pm_runtime.h>
72246da4	24	#include <linux/platform_device.h>
a89d977c HK	25	#include <linux/gpio/consumer.h>
a89d977c HK	26	#include <linux/acpi.h>
cf48305d	27	#include <linux/delay.h>
8f317b47	28
9a5a0783 JY	29	#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 0xabcd
	30	#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3_AXI 0xabce
	31	#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB31 0xabcf
	32	#define PCI_DEVICE_ID_INTEL_BYT 0x0f37
	33	#define PCI_DEVICE_ID_INTEL_MRFLD 0x119e
	34	#define PCI_DEVICE_ID_INTEL_BSW 0x22b7
	35	#define PCI_DEVICE_ID_INTEL_SPTLP 0x9d30
	36	#define PCI_DEVICE_ID_INTEL_SPTH 0xa130
b4c580a4	37	#define PCI_DEVICE_ID_INTEL_BXT 0x0aaa
1ffb4d5c	38	#define PCI_DEVICE_ID_INTEL_BXT_M 0x1aaa
b4c580a4	39	#define PCI_DEVICE_ID_INTEL_APL 0x5aaa
4491ed50	40	#define PCI_DEVICE_ID_INTEL_KBP 0xa2b0
72246da4	41
a89d977c HK	42	static const struct acpi_gpio_params reset_gpios = { 0, 0, false };
	43	static const struct acpi_gpio_params cs_gpios = { 1, 0, false };
	44
	45	static const struct acpi_gpio_mapping acpi_dwc3_byt_gpios[] = {
	46	{ "reset-gpios", &reset_gpios, 1 },
	47	{ "cs-gpios", &cs_gpios, 1 },
	48	{ },
	49	};
	50
ce046d32	51	static int dwc3_pci_quirks(struct pci_dev pdev, struct platform_device dwc3)
2cd9ddf7 HK	52	{
	53	if (pdev->vendor == PCI_VENDOR_ID_AMD &&
	54	pdev->device == PCI_DEVICE_ID_AMD_NL_USB) {
cf48305d HK	55	struct property_entry properties[] = {
	56	PROPERTY_ENTRY_BOOL("snps,has-lpm-erratum"),
	57	PROPERTY_ENTRY_U8("snps,lpm-nyet-threshold", 0xf),
	58	PROPERTY_ENTRY_BOOL("snps,u2exit_lfps_quirk"),
	59	PROPERTY_ENTRY_BOOL("snps,u2ss_inp3_quirk"),
	60	PROPERTY_ENTRY_BOOL("snps,req_p1p2p3_quirk"),
	61	PROPERTY_ENTRY_BOOL("snps,del_p1p2p3_quirk"),
	62	PROPERTY_ENTRY_BOOL("snps,del_phy_power_chg_quirk"),
	63	PROPERTY_ENTRY_BOOL("snps,lfps_filter_quirk"),
	64	PROPERTY_ENTRY_BOOL("snps,rx_detect_poll_quirk"),
	65	PROPERTY_ENTRY_BOOL("snps,tx_de_emphasis_quirk"),
	66	PROPERTY_ENTRY_U8("snps,tx_de_emphasis", 1),
	67	/*
	68	* FIXME these quirks should be removed when AMD NL
	69	* tapes out
	70	*/
	71	PROPERTY_ENTRY_BOOL("snps,disable_scramble_quirk"),
	72	PROPERTY_ENTRY_BOOL("snps,dis_u3_susphy_quirk"),
	73	PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"),
	74	{ },
	75	};
	76
	77	return platform_device_add_properties(dwc3, properties);
2cd9ddf7 HK	78	}
2cd9ddf7 HK	79
e6fe66fe FB	80	if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
	81	int ret;
	82
	83	struct property_entry properties[] = {
	84	PROPERTY_ENTRY_STRING("dr-mode", "peripheral"),
	85	{ }
	86	};
	87
	88	ret = platform_device_add_properties(dwc3, properties);
	89	if (ret < 0)
	90	return ret;
	91
	92	if (pdev->device == PCI_DEVICE_ID_INTEL_BYT) {
	93	struct gpio_desc *gpio;
	94
	95	acpi_dev_add_driver_gpios(ACPI_COMPANION(&pdev->dev),
	96	acpi_dwc3_byt_gpios);
	97
	98	/*
	99	* These GPIOs will turn on the USB2 PHY. Note that we have to
	100	* put the gpio descriptors again here because the phy driver
	101	* might want to grab them, too.
	102	*/
	103	gpio = gpiod_get_optional(&pdev->dev, "cs", GPIOD_OUT_LOW);
	104	if (IS_ERR(gpio))
	105	return PTR_ERR(gpio);
	106
a89d977c HK	107	gpiod_set_value_cansleep(gpio, 1);
a89d977c HK	108	gpiod_put(gpio);
e6fe66fe FB	109
	110	gpio = gpiod_get_optional(&pdev->dev, "reset", GPIOD_OUT_LOW);
	111	if (IS_ERR(gpio))
	112	return PTR_ERR(gpio);
	113
	114	if (gpio) {
	115	gpiod_set_value_cansleep(gpio, 1);
	116	gpiod_put(gpio);
	117	usleep_range(10000, 11000);
	118	}
a89d977c HK	119	}
	120	}
	121
bb7f3d6d JY	122	if (pdev->vendor == PCI_VENDOR_ID_SYNOPSYS &&
	123	(pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 \|\|
	124	pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3_AXI \|\|
	125	pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB31)) {
cf48305d HK	126	struct property_entry properties[] = {
	127	PROPERTY_ENTRY_BOOL("snps,usb3_lpm_capable"),
	128	PROPERTY_ENTRY_BOOL("snps,has-lpm-erratum"),
	129	PROPERTY_ENTRY_BOOL("snps,dis_enblslpm_quirk"),
	130	{ },
	131	};
	132
	133	return platform_device_add_properties(dwc3, properties);
bb7f3d6d JY	134	}
bb7f3d6d JY	135
2cd9ddf7 HK	136	return 0;
2cd9ddf7 HK	137	}
72246da4	138
41ac7b3a	139	static int dwc3_pci_probe(struct pci_dev *pci,
72246da4 FB	140	const struct pci_device_id *id)
	141	{
	142	struct resource res[2];
	143	struct platform_device *dwc3;
b09e99ee	144	int ret;
802ca850	145	struct device *dev = &pci->dev;
72246da4	146
f1c7e710	147	ret = pcim_enable_device(pci);
72246da4	148	if (ret) {
802ca850 CP	149	dev_err(dev, "failed to enable pci device\n");
802ca850 CP	150	return -ENODEV;
72246da4 FB	151	}
72246da4 FB	152
72246da4 FB	153	pci_set_master(pci);
72246da4 FB	154
124dafde	155	dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO);
72246da4	156	if (!dwc3) {
802ca850	157	dev_err(dev, "couldn't allocate dwc3 device\n");
f1c7e710	158	return -ENOMEM;
72246da4 FB	159	}
	160
	161	memset(res, 0x00, sizeof(struct resource) * ARRAY_SIZE(res));
	162
	163	res[0].start = pci_resource_start(pci, 0);
	164	res[0].end = pci_resource_end(pci, 0);
	165	res[0].name = "dwc_usb3";
	166	res[0].flags = IORESOURCE_MEM;
	167
	168	res[1].start = pci->irq;
	169	res[1].name = "dwc_usb3";
	170	res[1].flags = IORESOURCE_IRQ;
	171
	172	ret = platform_device_add_resources(dwc3, res, ARRAY_SIZE(res));
	173	if (ret) {
802ca850	174	dev_err(dev, "couldn't add resources to dwc3 device\n");
f1c7e710	175	return ret;
72246da4 FB	176	}
72246da4 FB	177
802ca850	178	dwc3->dev.parent = dev;
9caeb06e	179	ACPI_COMPANION_SET(&dwc3->dev, ACPI_COMPANION(dev));
72246da4	180
ce046d32	181	ret = dwc3_pci_quirks(pci, dwc3);
474799f0 HK	182	if (ret)
	183	goto err;
	184
72246da4 FB	185	ret = platform_device_add(dwc3);
72246da4 FB	186	if (ret) {
802ca850	187	dev_err(dev, "failed to register dwc3 device\n");
2cd9ddf7	188	goto err;
72246da4 FB	189	}
72246da4 FB	190
e9af9229 FB	191	device_init_wakeup(dev, true);
e9af9229 FB	192	device_set_run_wake(dev, true);
ce046d32	193	pci_set_drvdata(pci, dwc3);
e9af9229 FB	194	pm_runtime_put(dev);
e9af9229 FB	195
72246da4	196	return 0;
2cd9ddf7	197	err:
72246da4	198	platform_device_put(dwc3);
72246da4 FB	199	return ret;
	200	}
	201
fb4e98ab	202	static void dwc3_pci_remove(struct pci_dev *pci)
72246da4	203	{
e9af9229 FB	204	device_init_wakeup(&pci->dev, false);
e9af9229 FB	205	pm_runtime_get(&pci->dev);
a89d977c	206	acpi_dev_remove_driver_gpios(ACPI_COMPANION(&pci->dev));
2cd9ddf7	207	platform_device_unregister(pci_get_drvdata(pci));
72246da4 FB	208	}
72246da4 FB	209
782df20c	210	static const struct pci_device_id dwc3_pci_id_table[] = {
72246da4 FB	211	{
	212	PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
	213	PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3),
	214	},
41adc59c JY	215	{
	216	PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
	217	PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3_AXI),
	218	},
e8095a25 JY	219	{
	220	PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
	221	PCI_DEVICE_ID_SYNOPSYS_HAPSUSB31),
	222	},
7d643664	223	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BSW), },
b62cd96d	224	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT), },
85601f8c	225	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), },
84a2b61b HK	226	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SPTLP), },
84a2b61b HK	227	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SPTH), },
b4c580a4	228	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BXT), },
1ffb4d5c	229	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BXT_M), },
b4c580a4	230	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_APL), },
4491ed50	231	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_KBP), },
9755449d	232	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB), },
72246da4 FB	233	{ } /* Terminating Entry */
	234	};
	235	MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table);
	236
e9af9229 FB	237	#ifdef CONFIG_PM
	238	static int dwc3_pci_runtime_suspend(struct device *dev)
	239	{
	240	if (device_run_wake(dev))
	241	return 0;
	242
	243	return -EBUSY;
	244	}
	245
f6c274e1 FB	246	static int dwc3_pci_runtime_resume(struct device *dev)
	247	{
	248	struct platform_device *dwc3 = dev_get_drvdata(dev);
	249
	250	return pm_runtime_get(&dwc3->dev);
	251	}
696118c0	252	#endif /* CONFIG_PM */
f6c274e1	253
696118c0	254	#ifdef CONFIG_PM_SLEEP
e9af9229 FB	255	static int dwc3_pci_pm_dummy(struct device *dev)
	256	{
	257	/*
	258	* There's nothing to do here. No, seriously. Everything is either taken
	259	* care either by PCI subsystem or dwc3/core.c, so we have nothing
	260	* missing here.
	261	*
	262	* So you'd think we didn't need this at all, but PCI subsystem will
	263	* bail out if we don't have a valid callback :-s
	264	*/
	265	return 0;
	266	}
696118c0	267	#endif /* CONFIG_PM_SLEEP */
e9af9229 FB	268
	269	static struct dev_pm_ops dwc3_pci_dev_pm_ops = {
	270	SET_SYSTEM_SLEEP_PM_OPS(dwc3_pci_pm_dummy, dwc3_pci_pm_dummy)
f6c274e1	271	SET_RUNTIME_PM_OPS(dwc3_pci_runtime_suspend, dwc3_pci_runtime_resume,
e9af9229 FB	272	NULL)
	273	};
	274
72246da4	275	static struct pci_driver dwc3_pci_driver = {
0949e99b	276	.name = "dwc3-pci",
72246da4 FB	277	.id_table = dwc3_pci_id_table,
72246da4 FB	278	.probe = dwc3_pci_probe,
7690417d	279	.remove = dwc3_pci_remove,
e9af9229 FB	280	.driver = {
	281	.pm = &dwc3_pci_dev_pm_ops,
	282	}
72246da4 FB	283	};
	284
	285	MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>");
5945f789	286	MODULE_LICENSE("GPL v2");
72246da4 FB	287	MODULE_DESCRIPTION("DesignWare USB3 PCI Glue Layer");
72246da4 FB	288
95656336	289	module_pci_driver(dwc3_pci_driver);