172246da4SFelipe Balbi /** 272246da4SFelipe Balbi * dwc3-pci.c - PCI Specific glue layer 372246da4SFelipe Balbi * 472246da4SFelipe Balbi * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com 572246da4SFelipe Balbi * 672246da4SFelipe Balbi * Authors: Felipe Balbi <balbi@ti.com>, 772246da4SFelipe Balbi * Sebastian Andrzej Siewior <bigeasy@linutronix.de> 872246da4SFelipe Balbi * 95945f789SFelipe Balbi * This program is free software: you can redistribute it and/or modify 105945f789SFelipe Balbi * it under the terms of the GNU General Public License version 2 of 115945f789SFelipe Balbi * the License as published by the Free Software Foundation. 1272246da4SFelipe Balbi * 135945f789SFelipe Balbi * This program is distributed in the hope that it will be useful, 145945f789SFelipe Balbi * but WITHOUT ANY WARRANTY; without even the implied warranty of 155945f789SFelipe Balbi * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 165945f789SFelipe Balbi * GNU General Public License for more details. 1772246da4SFelipe Balbi */ 1872246da4SFelipe Balbi 1972246da4SFelipe Balbi #include <linux/kernel.h> 2046a57283SStephen Rothwell #include <linux/module.h> 2172246da4SFelipe Balbi #include <linux/slab.h> 2272246da4SFelipe Balbi #include <linux/pci.h> 23e9af9229SFelipe Balbi #include <linux/pm_runtime.h> 2472246da4SFelipe Balbi #include <linux/platform_device.h> 25a89d977cSHeikki Krogerus #include <linux/gpio/consumer.h> 26a89d977cSHeikki Krogerus #include <linux/acpi.h> 27cf48305dSHeikki Krogerus #include <linux/delay.h> 288f317b47SHuang Rui 2972246da4SFelipe Balbi #define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 0xabcd 3041adc59cSJohn Youn #define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3_AXI 0xabce 31e8095a25SJohn Youn #define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB31 0xabcf 32b62cd96dSHeikki Krogerus #define PCI_DEVICE_ID_INTEL_BYT 0x0f37 3385601f8cSDavid Cohen #define PCI_DEVICE_ID_INTEL_MRFLD 0x119e 349a5a0783SJohn Youn #define PCI_DEVICE_ID_INTEL_BSW 0x22b7 3584a2b61bSHeikki Krogerus #define PCI_DEVICE_ID_INTEL_SPTLP 0x9d30 3684a2b61bSHeikki Krogerus #define PCI_DEVICE_ID_INTEL_SPTH 0xa130 37b4c580a4SHeikki Krogerus #define PCI_DEVICE_ID_INTEL_BXT 0x0aaa 381ffb4d5cSHeikki Krogerus #define PCI_DEVICE_ID_INTEL_BXT_M 0x1aaa 39b4c580a4SHeikki Krogerus #define PCI_DEVICE_ID_INTEL_APL 0x5aaa 404491ed50SHeikki Krogerus #define PCI_DEVICE_ID_INTEL_KBP 0xa2b0 4172246da4SFelipe Balbi 42*9cecca75SFelipe Balbi #define PCI_INTEL_BXT_DSM_UUID "732b85d5-b7a7-4a1b-9ba0-4bbd00ffd511" 43*9cecca75SFelipe Balbi #define PCI_INTEL_BXT_FUNC_PMU_PWR 4 44*9cecca75SFelipe Balbi #define PCI_INTEL_BXT_STATE_D0 0 45*9cecca75SFelipe Balbi #define PCI_INTEL_BXT_STATE_D3 3 46*9cecca75SFelipe Balbi 470f817ae6SFelipe Balbi /** 480f817ae6SFelipe Balbi * struct dwc3_pci - Driver private structure 490f817ae6SFelipe Balbi * @dwc3: child dwc3 platform_device 500f817ae6SFelipe Balbi * @pci: our link to PCI bus 51*9cecca75SFelipe Balbi * @uuid: _DSM UUID 52*9cecca75SFelipe Balbi * @has_dsm_for_pm: true for devices which need to run _DSM on runtime PM 530f817ae6SFelipe Balbi */ 540f817ae6SFelipe Balbi struct dwc3_pci { 550f817ae6SFelipe Balbi struct platform_device *dwc3; 560f817ae6SFelipe Balbi struct pci_dev *pci; 57*9cecca75SFelipe Balbi 58*9cecca75SFelipe Balbi u8 uuid[16]; 59*9cecca75SFelipe Balbi 60*9cecca75SFelipe Balbi unsigned int has_dsm_for_pm:1; 610f817ae6SFelipe Balbi }; 620f817ae6SFelipe Balbi 63a89d977cSHeikki Krogerus static const struct acpi_gpio_params reset_gpios = { 0, 0, false }; 64a89d977cSHeikki Krogerus static const struct acpi_gpio_params cs_gpios = { 1, 0, false }; 65a89d977cSHeikki Krogerus 66a89d977cSHeikki Krogerus static const struct acpi_gpio_mapping acpi_dwc3_byt_gpios[] = { 67a89d977cSHeikki Krogerus { "reset-gpios", &reset_gpios, 1 }, 68a89d977cSHeikki Krogerus { "cs-gpios", &cs_gpios, 1 }, 69a89d977cSHeikki Krogerus { }, 70a89d977cSHeikki Krogerus }; 71a89d977cSHeikki Krogerus 720f817ae6SFelipe Balbi static int dwc3_pci_quirks(struct dwc3_pci *dwc) 732cd9ddf7SHeikki Krogerus { 740f817ae6SFelipe Balbi struct platform_device *dwc3 = dwc->dwc3; 750f817ae6SFelipe Balbi struct pci_dev *pdev = dwc->pci; 760f817ae6SFelipe Balbi 772cd9ddf7SHeikki Krogerus if (pdev->vendor == PCI_VENDOR_ID_AMD && 782cd9ddf7SHeikki Krogerus pdev->device == PCI_DEVICE_ID_AMD_NL_USB) { 79cf48305dSHeikki Krogerus struct property_entry properties[] = { 80cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,has-lpm-erratum"), 81cf48305dSHeikki Krogerus PROPERTY_ENTRY_U8("snps,lpm-nyet-threshold", 0xf), 82cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,u2exit_lfps_quirk"), 83cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,u2ss_inp3_quirk"), 84cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,req_p1p2p3_quirk"), 85cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,del_p1p2p3_quirk"), 86cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,del_phy_power_chg_quirk"), 87cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,lfps_filter_quirk"), 88cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,rx_detect_poll_quirk"), 89cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,tx_de_emphasis_quirk"), 90cf48305dSHeikki Krogerus PROPERTY_ENTRY_U8("snps,tx_de_emphasis", 1), 912cd9ddf7SHeikki Krogerus /* 922cd9ddf7SHeikki Krogerus * FIXME these quirks should be removed when AMD NL 93cf48305dSHeikki Krogerus * tapes out 942cd9ddf7SHeikki Krogerus */ 95cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,disable_scramble_quirk"), 96cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,dis_u3_susphy_quirk"), 97cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"), 98cf48305dSHeikki Krogerus { }, 99cf48305dSHeikki Krogerus }; 1002cd9ddf7SHeikki Krogerus 101cf48305dSHeikki Krogerus return platform_device_add_properties(dwc3, properties); 1022cd9ddf7SHeikki Krogerus } 1032cd9ddf7SHeikki Krogerus 104e6fe66feSFelipe Balbi if (pdev->vendor == PCI_VENDOR_ID_INTEL) { 105e6fe66feSFelipe Balbi int ret; 106e6fe66feSFelipe Balbi 107e6fe66feSFelipe Balbi struct property_entry properties[] = { 108e6fe66feSFelipe Balbi PROPERTY_ENTRY_STRING("dr-mode", "peripheral"), 109e6fe66feSFelipe Balbi { } 110e6fe66feSFelipe Balbi }; 111e6fe66feSFelipe Balbi 112e6fe66feSFelipe Balbi ret = platform_device_add_properties(dwc3, properties); 113e6fe66feSFelipe Balbi if (ret < 0) 114e6fe66feSFelipe Balbi return ret; 115e6fe66feSFelipe Balbi 116*9cecca75SFelipe Balbi if (pdev->device == PCI_DEVICE_ID_INTEL_BXT || 117*9cecca75SFelipe Balbi pdev->device == PCI_DEVICE_ID_INTEL_BXT_M) { 118*9cecca75SFelipe Balbi acpi_str_to_uuid(PCI_INTEL_BXT_DSM_UUID, dwc->uuid); 119*9cecca75SFelipe Balbi dwc->has_dsm_for_pm = true; 120*9cecca75SFelipe Balbi } 121*9cecca75SFelipe Balbi 122e6fe66feSFelipe Balbi if (pdev->device == PCI_DEVICE_ID_INTEL_BYT) { 123a89d977cSHeikki Krogerus struct gpio_desc *gpio; 124a89d977cSHeikki Krogerus 125a89d977cSHeikki Krogerus acpi_dev_add_driver_gpios(ACPI_COMPANION(&pdev->dev), 126a89d977cSHeikki Krogerus acpi_dwc3_byt_gpios); 127a89d977cSHeikki Krogerus 1282df033caSUwe Kleine-König /* 1292df033caSUwe Kleine-König * These GPIOs will turn on the USB2 PHY. Note that we have to 1302df033caSUwe Kleine-König * put the gpio descriptors again here because the phy driver 1312df033caSUwe Kleine-König * might want to grab them, too. 1322df033caSUwe Kleine-König */ 1332df033caSUwe Kleine-König gpio = gpiod_get_optional(&pdev->dev, "cs", GPIOD_OUT_LOW); 1342df033caSUwe Kleine-König if (IS_ERR(gpio)) 1352df033caSUwe Kleine-König return PTR_ERR(gpio); 1362df033caSUwe Kleine-König 137a89d977cSHeikki Krogerus gpiod_set_value_cansleep(gpio, 1); 138a89d977cSHeikki Krogerus gpiod_put(gpio); 139a89d977cSHeikki Krogerus 1402df033caSUwe Kleine-König gpio = gpiod_get_optional(&pdev->dev, "reset", GPIOD_OUT_LOW); 1412df033caSUwe Kleine-König if (IS_ERR(gpio)) 1422df033caSUwe Kleine-König return PTR_ERR(gpio); 1432df033caSUwe Kleine-König 1442df033caSUwe Kleine-König if (gpio) { 145a89d977cSHeikki Krogerus gpiod_set_value_cansleep(gpio, 1); 146a89d977cSHeikki Krogerus gpiod_put(gpio); 147a89d977cSHeikki Krogerus usleep_range(10000, 11000); 148a89d977cSHeikki Krogerus } 149a89d977cSHeikki Krogerus } 150e6fe66feSFelipe Balbi } 151a89d977cSHeikki Krogerus 152bb7f3d6dSJohn Youn if (pdev->vendor == PCI_VENDOR_ID_SYNOPSYS && 153bb7f3d6dSJohn Youn (pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 || 154bb7f3d6dSJohn Youn pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3_AXI || 155bb7f3d6dSJohn Youn pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB31)) { 156cf48305dSHeikki Krogerus struct property_entry properties[] = { 157cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,usb3_lpm_capable"), 158cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,has-lpm-erratum"), 159cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,dis_enblslpm_quirk"), 160cf48305dSHeikki Krogerus { }, 161cf48305dSHeikki Krogerus }; 162bb7f3d6dSJohn Youn 163cf48305dSHeikki Krogerus return platform_device_add_properties(dwc3, properties); 164bb7f3d6dSJohn Youn } 165bb7f3d6dSJohn Youn 1662cd9ddf7SHeikki Krogerus return 0; 1672cd9ddf7SHeikki Krogerus } 16872246da4SFelipe Balbi 169*9cecca75SFelipe Balbi static int dwc3_pci_dsm(struct dwc3_pci *dwc, int param) 170*9cecca75SFelipe Balbi { 171*9cecca75SFelipe Balbi union acpi_object *obj; 172*9cecca75SFelipe Balbi union acpi_object tmp; 173*9cecca75SFelipe Balbi union acpi_object argv4 = ACPI_INIT_DSM_ARGV4(1, &tmp); 174*9cecca75SFelipe Balbi 175*9cecca75SFelipe Balbi if (!dwc->has_dsm_for_pm) 176*9cecca75SFelipe Balbi return 0; 177*9cecca75SFelipe Balbi 178*9cecca75SFelipe Balbi tmp.type = ACPI_TYPE_INTEGER; 179*9cecca75SFelipe Balbi tmp.integer.value = param; 180*9cecca75SFelipe Balbi 181*9cecca75SFelipe Balbi obj = acpi_evaluate_dsm(ACPI_HANDLE(&dwc->pci->dev), dwc->uuid, 182*9cecca75SFelipe Balbi 1, PCI_INTEL_BXT_FUNC_PMU_PWR, &argv4); 183*9cecca75SFelipe Balbi if (!obj) { 184*9cecca75SFelipe Balbi dev_err(&dwc->pci->dev, "failed to evaluate _DSM\n"); 185*9cecca75SFelipe Balbi return -EIO; 186*9cecca75SFelipe Balbi } 187*9cecca75SFelipe Balbi 188*9cecca75SFelipe Balbi ACPI_FREE(obj); 189*9cecca75SFelipe Balbi 190*9cecca75SFelipe Balbi return 0; 191*9cecca75SFelipe Balbi } 192*9cecca75SFelipe Balbi 19341ac7b3aSBill Pemberton static int dwc3_pci_probe(struct pci_dev *pci, 19472246da4SFelipe Balbi const struct pci_device_id *id) 19572246da4SFelipe Balbi { 1960f817ae6SFelipe Balbi struct dwc3_pci *dwc; 19772246da4SFelipe Balbi struct resource res[2]; 198b09e99eeSAndy Shevchenko int ret; 199802ca850SChanho Park struct device *dev = &pci->dev; 20072246da4SFelipe Balbi 201f1c7e710SAndy Shevchenko ret = pcim_enable_device(pci); 20272246da4SFelipe Balbi if (ret) { 203802ca850SChanho Park dev_err(dev, "failed to enable pci device\n"); 204802ca850SChanho Park return -ENODEV; 20572246da4SFelipe Balbi } 20672246da4SFelipe Balbi 20772246da4SFelipe Balbi pci_set_master(pci); 20872246da4SFelipe Balbi 2090f817ae6SFelipe Balbi dwc = devm_kzalloc(dev, sizeof(*dwc), GFP_KERNEL); 2100f817ae6SFelipe Balbi if (!dwc) 211f1c7e710SAndy Shevchenko return -ENOMEM; 2120f817ae6SFelipe Balbi 2130f817ae6SFelipe Balbi dwc->dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO); 2140f817ae6SFelipe Balbi if (!dwc->dwc3) 2150f817ae6SFelipe Balbi return -ENOMEM; 21672246da4SFelipe Balbi 21772246da4SFelipe Balbi memset(res, 0x00, sizeof(struct resource) * ARRAY_SIZE(res)); 21872246da4SFelipe Balbi 21972246da4SFelipe Balbi res[0].start = pci_resource_start(pci, 0); 22072246da4SFelipe Balbi res[0].end = pci_resource_end(pci, 0); 22172246da4SFelipe Balbi res[0].name = "dwc_usb3"; 22272246da4SFelipe Balbi res[0].flags = IORESOURCE_MEM; 22372246da4SFelipe Balbi 22472246da4SFelipe Balbi res[1].start = pci->irq; 22572246da4SFelipe Balbi res[1].name = "dwc_usb3"; 22672246da4SFelipe Balbi res[1].flags = IORESOURCE_IRQ; 22772246da4SFelipe Balbi 2280f817ae6SFelipe Balbi ret = platform_device_add_resources(dwc->dwc3, res, ARRAY_SIZE(res)); 22972246da4SFelipe Balbi if (ret) { 230802ca850SChanho Park dev_err(dev, "couldn't add resources to dwc3 device\n"); 231f1c7e710SAndy Shevchenko return ret; 23272246da4SFelipe Balbi } 23372246da4SFelipe Balbi 2340f817ae6SFelipe Balbi dwc->pci = pci; 2350f817ae6SFelipe Balbi dwc->dwc3->dev.parent = dev; 2360f817ae6SFelipe Balbi ACPI_COMPANION_SET(&dwc->dwc3->dev, ACPI_COMPANION(dev)); 23772246da4SFelipe Balbi 2380f817ae6SFelipe Balbi ret = dwc3_pci_quirks(dwc); 239474799f0SHeikki Krogerus if (ret) 240474799f0SHeikki Krogerus goto err; 241474799f0SHeikki Krogerus 2420f817ae6SFelipe Balbi ret = platform_device_add(dwc->dwc3); 24372246da4SFelipe Balbi if (ret) { 244802ca850SChanho Park dev_err(dev, "failed to register dwc3 device\n"); 2452cd9ddf7SHeikki Krogerus goto err; 24672246da4SFelipe Balbi } 24772246da4SFelipe Balbi 248e9af9229SFelipe Balbi device_init_wakeup(dev, true); 249e9af9229SFelipe Balbi device_set_run_wake(dev, true); 2500f817ae6SFelipe Balbi pci_set_drvdata(pci, dwc); 251e9af9229SFelipe Balbi pm_runtime_put(dev); 252e9af9229SFelipe Balbi 25372246da4SFelipe Balbi return 0; 2542cd9ddf7SHeikki Krogerus err: 2550f817ae6SFelipe Balbi platform_device_put(dwc->dwc3); 25672246da4SFelipe Balbi return ret; 25772246da4SFelipe Balbi } 25872246da4SFelipe Balbi 259fb4e98abSBill Pemberton static void dwc3_pci_remove(struct pci_dev *pci) 26072246da4SFelipe Balbi { 2610f817ae6SFelipe Balbi struct dwc3_pci *dwc = pci_get_drvdata(pci); 2620f817ae6SFelipe Balbi 263e9af9229SFelipe Balbi device_init_wakeup(&pci->dev, false); 264e9af9229SFelipe Balbi pm_runtime_get(&pci->dev); 265a89d977cSHeikki Krogerus acpi_dev_remove_driver_gpios(ACPI_COMPANION(&pci->dev)); 2660f817ae6SFelipe Balbi platform_device_unregister(dwc->dwc3); 26772246da4SFelipe Balbi } 26872246da4SFelipe Balbi 269782df20cSJingoo Han static const struct pci_device_id dwc3_pci_id_table[] = { 27072246da4SFelipe Balbi { 27172246da4SFelipe Balbi PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS, 27272246da4SFelipe Balbi PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3), 27372246da4SFelipe Balbi }, 27441adc59cSJohn Youn { 27541adc59cSJohn Youn PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS, 27641adc59cSJohn Youn PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3_AXI), 27741adc59cSJohn Youn }, 278e8095a25SJohn Youn { 279e8095a25SJohn Youn PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS, 280e8095a25SJohn Youn PCI_DEVICE_ID_SYNOPSYS_HAPSUSB31), 281e8095a25SJohn Youn }, 2827d643664SAlan Cox { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BSW), }, 283b62cd96dSHeikki Krogerus { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT), }, 28485601f8cSDavid Cohen { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), }, 28584a2b61bSHeikki Krogerus { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SPTLP), }, 28684a2b61bSHeikki Krogerus { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SPTH), }, 287b4c580a4SHeikki Krogerus { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BXT), }, 2881ffb4d5cSHeikki Krogerus { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BXT_M), }, 289b4c580a4SHeikki Krogerus { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_APL), }, 2904491ed50SHeikki Krogerus { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_KBP), }, 2919755449dSHuang Rui { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB), }, 29272246da4SFelipe Balbi { } /* Terminating Entry */ 29372246da4SFelipe Balbi }; 29472246da4SFelipe Balbi MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table); 29572246da4SFelipe Balbi 296e9af9229SFelipe Balbi #ifdef CONFIG_PM 297e9af9229SFelipe Balbi static int dwc3_pci_runtime_suspend(struct device *dev) 298e9af9229SFelipe Balbi { 299*9cecca75SFelipe Balbi struct dwc3_pci *dwc = dev_get_drvdata(dev); 300*9cecca75SFelipe Balbi 301e9af9229SFelipe Balbi if (device_run_wake(dev)) 302*9cecca75SFelipe Balbi return dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D3); 303e9af9229SFelipe Balbi 304e9af9229SFelipe Balbi return -EBUSY; 305e9af9229SFelipe Balbi } 306e9af9229SFelipe Balbi 307f6c274e1SFelipe Balbi static int dwc3_pci_runtime_resume(struct device *dev) 308f6c274e1SFelipe Balbi { 3090f817ae6SFelipe Balbi struct dwc3_pci *dwc = dev_get_drvdata(dev); 3100f817ae6SFelipe Balbi struct platform_device *dwc3 = dwc->dwc3; 311*9cecca75SFelipe Balbi int ret; 312*9cecca75SFelipe Balbi 313*9cecca75SFelipe Balbi ret = dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D0); 314*9cecca75SFelipe Balbi if (ret) 315*9cecca75SFelipe Balbi return ret; 316f6c274e1SFelipe Balbi 317f6c274e1SFelipe Balbi return pm_runtime_get(&dwc3->dev); 318f6c274e1SFelipe Balbi } 319696118c0SFelipe Balbi #endif /* CONFIG_PM */ 320f6c274e1SFelipe Balbi 321696118c0SFelipe Balbi #ifdef CONFIG_PM_SLEEP 322*9cecca75SFelipe Balbi static int dwc3_pci_suspend(struct device *dev) 323e9af9229SFelipe Balbi { 324*9cecca75SFelipe Balbi struct dwc3_pci *dwc = dev_get_drvdata(dev); 325*9cecca75SFelipe Balbi 326*9cecca75SFelipe Balbi return dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D3); 327*9cecca75SFelipe Balbi } 328*9cecca75SFelipe Balbi 329*9cecca75SFelipe Balbi static int dwc3_pci_resume(struct device *dev) 330*9cecca75SFelipe Balbi { 331*9cecca75SFelipe Balbi struct dwc3_pci *dwc = dev_get_drvdata(dev); 332*9cecca75SFelipe Balbi 333*9cecca75SFelipe Balbi return dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D0); 334e9af9229SFelipe Balbi } 335696118c0SFelipe Balbi #endif /* CONFIG_PM_SLEEP */ 336e9af9229SFelipe Balbi 337e9af9229SFelipe Balbi static struct dev_pm_ops dwc3_pci_dev_pm_ops = { 338*9cecca75SFelipe Balbi SET_SYSTEM_SLEEP_PM_OPS(dwc3_pci_suspend, dwc3_pci_resume) 339f6c274e1SFelipe Balbi SET_RUNTIME_PM_OPS(dwc3_pci_runtime_suspend, dwc3_pci_runtime_resume, 340e9af9229SFelipe Balbi NULL) 341e9af9229SFelipe Balbi }; 342e9af9229SFelipe Balbi 34372246da4SFelipe Balbi static struct pci_driver dwc3_pci_driver = { 3440949e99bSFelipe Balbi .name = "dwc3-pci", 34572246da4SFelipe Balbi .id_table = dwc3_pci_id_table, 34672246da4SFelipe Balbi .probe = dwc3_pci_probe, 3477690417dSBill Pemberton .remove = dwc3_pci_remove, 348e9af9229SFelipe Balbi .driver = { 349e9af9229SFelipe Balbi .pm = &dwc3_pci_dev_pm_ops, 350e9af9229SFelipe Balbi } 35172246da4SFelipe Balbi }; 35272246da4SFelipe Balbi 35372246da4SFelipe Balbi MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>"); 3545945f789SFelipe Balbi MODULE_LICENSE("GPL v2"); 35572246da4SFelipe Balbi MODULE_DESCRIPTION("DesignWare USB3 PCI Glue Layer"); 35672246da4SFelipe Balbi 35795656336SGreg Kroah-Hartman module_pci_driver(dwc3_pci_driver); 358