15fd54aceSGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0 272246da4SFelipe Balbi /** 372246da4SFelipe Balbi * dwc3-pci.c - PCI Specific glue layer 472246da4SFelipe Balbi * 510623b87SAlexander A. Klimov * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com 672246da4SFelipe Balbi * 772246da4SFelipe Balbi * Authors: Felipe Balbi <balbi@ti.com>, 872246da4SFelipe Balbi * Sebastian Andrzej Siewior <bigeasy@linutronix.de> 972246da4SFelipe Balbi */ 1072246da4SFelipe Balbi 1172246da4SFelipe Balbi #include <linux/kernel.h> 1246a57283SStephen Rothwell #include <linux/module.h> 1372246da4SFelipe Balbi #include <linux/slab.h> 1472246da4SFelipe Balbi #include <linux/pci.h> 158eed00b2SManu Gautam #include <linux/workqueue.h> 16e9af9229SFelipe Balbi #include <linux/pm_runtime.h> 1772246da4SFelipe Balbi #include <linux/platform_device.h> 18a89d977cSHeikki Krogerus #include <linux/gpio/consumer.h> 195741022cSHans de Goede #include <linux/gpio/machine.h> 20a89d977cSHeikki Krogerus #include <linux/acpi.h> 21cf48305dSHeikki Krogerus #include <linux/delay.h> 228f317b47SHuang Rui 23b62cd96dSHeikki Krogerus #define PCI_DEVICE_ID_INTEL_BYT 0x0f37 2485601f8cSDavid Cohen #define PCI_DEVICE_ID_INTEL_MRFLD 0x119e 259a5a0783SJohn Youn #define PCI_DEVICE_ID_INTEL_BSW 0x22b7 2684a2b61bSHeikki Krogerus #define PCI_DEVICE_ID_INTEL_SPTLP 0x9d30 2784a2b61bSHeikki Krogerus #define PCI_DEVICE_ID_INTEL_SPTH 0xa130 28b4c580a4SHeikki Krogerus #define PCI_DEVICE_ID_INTEL_BXT 0x0aaa 291ffb4d5cSHeikki Krogerus #define PCI_DEVICE_ID_INTEL_BXT_M 0x1aaa 30b4c580a4SHeikki Krogerus #define PCI_DEVICE_ID_INTEL_APL 0x5aaa 314491ed50SHeikki Krogerus #define PCI_DEVICE_ID_INTEL_KBP 0xa2b0 323c3caae4SHeikki Krogerus #define PCI_DEVICE_ID_INTEL_CMLLP 0x02ee 333c3caae4SHeikki Krogerus #define PCI_DEVICE_ID_INTEL_CMLH 0x06ee 348f8983a5SHeikki Krogerus #define PCI_DEVICE_ID_INTEL_GLK 0x31aa 3568217959SHeikki Krogerus #define PCI_DEVICE_ID_INTEL_CNPLP 0x9dee 3668217959SHeikki Krogerus #define PCI_DEVICE_ID_INTEL_CNPH 0xa36e 37f5ae8869SHeikki Krogerus #define PCI_DEVICE_ID_INTEL_CNPV 0xa3b0 3800908693SHeikki Krogerus #define PCI_DEVICE_ID_INTEL_ICLLP 0x34ee 39dbb0569dSFelipe Balbi #define PCI_DEVICE_ID_INTEL_EHLLP 0x4b7e 40b3649deeSFelipe Balbi #define PCI_DEVICE_ID_INTEL_TGPLP 0xa0ee 41c3f595a8SHeikki Krogerus #define PCI_DEVICE_ID_INTEL_TGPH 0x43ee 42e25d1e85SHeikki Krogerus #define PCI_DEVICE_ID_INTEL_JSP 0x4dee 431384ab4fSHeikki Krogerus #define PCI_DEVICE_ID_INTEL_ADLS 0x7ae1 4472246da4SFelipe Balbi 4594116f81SAndy Shevchenko #define PCI_INTEL_BXT_DSM_GUID "732b85d5-b7a7-4a1b-9ba0-4bbd00ffd511" 469cecca75SFelipe Balbi #define PCI_INTEL_BXT_FUNC_PMU_PWR 4 479cecca75SFelipe Balbi #define PCI_INTEL_BXT_STATE_D0 0 489cecca75SFelipe Balbi #define PCI_INTEL_BXT_STATE_D3 3 499cecca75SFelipe Balbi 507740d04dSHans de Goede #define GP_RWBAR 1 517740d04dSHans de Goede #define GP_RWREG1 0xa0 527740d04dSHans de Goede #define GP_RWREG1_ULPI_REFCLK_DISABLE (1 << 17) 537740d04dSHans de Goede 540f817ae6SFelipe Balbi /** 550f817ae6SFelipe Balbi * struct dwc3_pci - Driver private structure 560f817ae6SFelipe Balbi * @dwc3: child dwc3 platform_device 570f817ae6SFelipe Balbi * @pci: our link to PCI bus 5894116f81SAndy Shevchenko * @guid: _DSM GUID 599cecca75SFelipe Balbi * @has_dsm_for_pm: true for devices which need to run _DSM on runtime PM 6087d852deSAndy Shevchenko * @wakeup_work: work for asynchronous resume 610f817ae6SFelipe Balbi */ 620f817ae6SFelipe Balbi struct dwc3_pci { 630f817ae6SFelipe Balbi struct platform_device *dwc3; 640f817ae6SFelipe Balbi struct pci_dev *pci; 659cecca75SFelipe Balbi 6694116f81SAndy Shevchenko guid_t guid; 679cecca75SFelipe Balbi 689cecca75SFelipe Balbi unsigned int has_dsm_for_pm:1; 698eed00b2SManu Gautam struct work_struct wakeup_work; 700f817ae6SFelipe Balbi }; 710f817ae6SFelipe Balbi 72a89d977cSHeikki Krogerus static const struct acpi_gpio_params reset_gpios = { 0, 0, false }; 73a89d977cSHeikki Krogerus static const struct acpi_gpio_params cs_gpios = { 1, 0, false }; 74a89d977cSHeikki Krogerus 75a89d977cSHeikki Krogerus static const struct acpi_gpio_mapping acpi_dwc3_byt_gpios[] = { 76a89d977cSHeikki Krogerus { "reset-gpios", &reset_gpios, 1 }, 77a89d977cSHeikki Krogerus { "cs-gpios", &cs_gpios, 1 }, 78a89d977cSHeikki Krogerus { }, 79a89d977cSHeikki Krogerus }; 80a89d977cSHeikki Krogerus 815741022cSHans de Goede static struct gpiod_lookup_table platform_bytcr_gpios = { 825741022cSHans de Goede .dev_id = "0000:00:16.0", 835741022cSHans de Goede .table = { 845741022cSHans de Goede GPIO_LOOKUP("INT33FC:00", 54, "reset", GPIO_ACTIVE_HIGH), 855741022cSHans de Goede GPIO_LOOKUP("INT33FC:02", 14, "cs", GPIO_ACTIVE_HIGH), 865741022cSHans de Goede {} 875741022cSHans de Goede }, 885741022cSHans de Goede }; 895741022cSHans de Goede 907740d04dSHans de Goede static int dwc3_byt_enable_ulpi_refclock(struct pci_dev *pci) 917740d04dSHans de Goede { 927740d04dSHans de Goede void __iomem *reg; 937740d04dSHans de Goede u32 value; 947740d04dSHans de Goede 957740d04dSHans de Goede reg = pcim_iomap(pci, GP_RWBAR, 0); 96b497fff6SWei Yongjun if (!reg) 97b497fff6SWei Yongjun return -ENOMEM; 987740d04dSHans de Goede 997740d04dSHans de Goede value = readl(reg + GP_RWREG1); 1007740d04dSHans de Goede if (!(value & GP_RWREG1_ULPI_REFCLK_DISABLE)) 1017740d04dSHans de Goede goto unmap; /* ULPI refclk already enabled */ 1027740d04dSHans de Goede 1037740d04dSHans de Goede value &= ~GP_RWREG1_ULPI_REFCLK_DISABLE; 1047740d04dSHans de Goede writel(value, reg + GP_RWREG1); 1057740d04dSHans de Goede /* This comes from the Intel Android x86 tree w/o any explanation */ 1067740d04dSHans de Goede msleep(100); 1077740d04dSHans de Goede unmap: 1087740d04dSHans de Goede pcim_iounmap(pci, reg); 1097740d04dSHans de Goede return 0; 1107740d04dSHans de Goede } 1117740d04dSHans de Goede 1121a7b12f6SAndy Shevchenko static const struct property_entry dwc3_pci_intel_properties[] = { 1131a7b12f6SAndy Shevchenko PROPERTY_ENTRY_STRING("dr_mode", "peripheral"), 1141a7b12f6SAndy Shevchenko PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), 1151a7b12f6SAndy Shevchenko {} 1161a7b12f6SAndy Shevchenko }; 1170f817ae6SFelipe Balbi 118c31d983bSAndy Shevchenko static const struct property_entry dwc3_pci_mrfld_properties[] = { 119c31d983bSAndy Shevchenko PROPERTY_ENTRY_STRING("dr_mode", "otg"), 120066c0959SAndy Shevchenko PROPERTY_ENTRY_STRING("linux,extcon-name", "mrfld_bcove_pwrsrc"), 121c31d983bSAndy Shevchenko PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), 122c31d983bSAndy Shevchenko {} 123c31d983bSAndy Shevchenko }; 124c31d983bSAndy Shevchenko 1251a7b12f6SAndy Shevchenko static const struct property_entry dwc3_pci_amd_properties[] = { 126cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,has-lpm-erratum"), 127cf48305dSHeikki Krogerus PROPERTY_ENTRY_U8("snps,lpm-nyet-threshold", 0xf), 128cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,u2exit_lfps_quirk"), 129cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,u2ss_inp3_quirk"), 130cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,req_p1p2p3_quirk"), 131cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,del_p1p2p3_quirk"), 132cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,del_phy_power_chg_quirk"), 133cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,lfps_filter_quirk"), 134cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,rx_detect_poll_quirk"), 135cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,tx_de_emphasis_quirk"), 136cf48305dSHeikki Krogerus PROPERTY_ENTRY_U8("snps,tx_de_emphasis", 1), 1371a7b12f6SAndy Shevchenko /* FIXME these quirks should be removed when AMD NL tapes out */ 138cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,disable_scramble_quirk"), 139cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,dis_u3_susphy_quirk"), 140cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"), 1410eae2fdeSJohn Youn PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), 142e6fe66feSFelipe Balbi {} 143e6fe66feSFelipe Balbi }; 144e6fe66feSFelipe Balbi 145*e492ce9bSHeikki Krogerus static const struct software_node dwc3_pci_intel_swnode = { 146*e492ce9bSHeikki Krogerus .properties = dwc3_pci_intel_properties, 147*e492ce9bSHeikki Krogerus }; 148*e492ce9bSHeikki Krogerus 149*e492ce9bSHeikki Krogerus static const struct software_node dwc3_pci_intel_mrfld_swnode = { 150*e492ce9bSHeikki Krogerus .properties = dwc3_pci_mrfld_properties, 151*e492ce9bSHeikki Krogerus }; 152*e492ce9bSHeikki Krogerus 153*e492ce9bSHeikki Krogerus static const struct software_node dwc3_pci_amd_swnode = { 154*e492ce9bSHeikki Krogerus .properties = dwc3_pci_amd_properties, 155*e492ce9bSHeikki Krogerus }; 156*e492ce9bSHeikki Krogerus 1571a7b12f6SAndy Shevchenko static int dwc3_pci_quirks(struct dwc3_pci *dwc) 1581a7b12f6SAndy Shevchenko { 1591a7b12f6SAndy Shevchenko struct pci_dev *pdev = dwc->pci; 160e6fe66feSFelipe Balbi 1611a7b12f6SAndy Shevchenko if (pdev->vendor == PCI_VENDOR_ID_INTEL) { 1629cecca75SFelipe Balbi if (pdev->device == PCI_DEVICE_ID_INTEL_BXT || 163a609ce2aSRaymond Tan pdev->device == PCI_DEVICE_ID_INTEL_BXT_M || 164a609ce2aSRaymond Tan pdev->device == PCI_DEVICE_ID_INTEL_EHLLP) { 16594116f81SAndy Shevchenko guid_parse(PCI_INTEL_BXT_DSM_GUID, &dwc->guid); 1669cecca75SFelipe Balbi dwc->has_dsm_for_pm = true; 1679cecca75SFelipe Balbi } 1689cecca75SFelipe Balbi 169e6fe66feSFelipe Balbi if (pdev->device == PCI_DEVICE_ID_INTEL_BYT) { 170a89d977cSHeikki Krogerus struct gpio_desc *gpio; 1711a7b12f6SAndy Shevchenko int ret; 172a89d977cSHeikki Krogerus 1737740d04dSHans de Goede /* On BYT the FW does not always enable the refclock */ 1747740d04dSHans de Goede ret = dwc3_byt_enable_ulpi_refclock(pdev); 1757740d04dSHans de Goede if (ret) 1767740d04dSHans de Goede return ret; 1777740d04dSHans de Goede 1784a56e413SAndy Shevchenko ret = devm_acpi_dev_add_driver_gpios(&pdev->dev, 179a89d977cSHeikki Krogerus acpi_dwc3_byt_gpios); 1804a56e413SAndy Shevchenko if (ret) 1814a56e413SAndy Shevchenko dev_dbg(&pdev->dev, "failed to add mapping table\n"); 182a89d977cSHeikki Krogerus 1832df033caSUwe Kleine-König /* 1845741022cSHans de Goede * A lot of BYT devices lack ACPI resource entries for 1855741022cSHans de Goede * the GPIOs, add a fallback mapping to the reference 1865741022cSHans de Goede * design GPIOs which all boards seem to use. 1875741022cSHans de Goede */ 1885741022cSHans de Goede gpiod_add_lookup_table(&platform_bytcr_gpios); 1895741022cSHans de Goede 1905741022cSHans de Goede /* 1912df033caSUwe Kleine-König * These GPIOs will turn on the USB2 PHY. Note that we have to 1922df033caSUwe Kleine-König * put the gpio descriptors again here because the phy driver 1932df033caSUwe Kleine-König * might want to grab them, too. 1942df033caSUwe Kleine-König */ 1953004cfd6SStephan Gerhold gpio = gpiod_get_optional(&pdev->dev, "cs", GPIOD_OUT_LOW); 1962df033caSUwe Kleine-König if (IS_ERR(gpio)) 1972df033caSUwe Kleine-König return PTR_ERR(gpio); 1982df033caSUwe Kleine-König 199a89d977cSHeikki Krogerus gpiod_set_value_cansleep(gpio, 1); 2003004cfd6SStephan Gerhold gpiod_put(gpio); 201a89d977cSHeikki Krogerus 2023004cfd6SStephan Gerhold gpio = gpiod_get_optional(&pdev->dev, "reset", GPIOD_OUT_LOW); 2032df033caSUwe Kleine-König if (IS_ERR(gpio)) 2042df033caSUwe Kleine-König return PTR_ERR(gpio); 2052df033caSUwe Kleine-König 2062df033caSUwe Kleine-König if (gpio) { 207a89d977cSHeikki Krogerus gpiod_set_value_cansleep(gpio, 1); 2083004cfd6SStephan Gerhold gpiod_put(gpio); 209a89d977cSHeikki Krogerus usleep_range(10000, 11000); 210a89d977cSHeikki Krogerus } 211a89d977cSHeikki Krogerus } 212e6fe66feSFelipe Balbi } 213a89d977cSHeikki Krogerus 2142cd9ddf7SHeikki Krogerus return 0; 2152cd9ddf7SHeikki Krogerus } 21672246da4SFelipe Balbi 2178eed00b2SManu Gautam #ifdef CONFIG_PM 2188eed00b2SManu Gautam static void dwc3_pci_resume_work(struct work_struct *work) 2198eed00b2SManu Gautam { 2208eed00b2SManu Gautam struct dwc3_pci *dwc = container_of(work, struct dwc3_pci, wakeup_work); 2218eed00b2SManu Gautam struct platform_device *dwc3 = dwc->dwc3; 2228eed00b2SManu Gautam int ret; 2238eed00b2SManu Gautam 2248eed00b2SManu Gautam ret = pm_runtime_get_sync(&dwc3->dev); 2252655971aSAditya Pakki if (ret) { 2262655971aSAditya Pakki pm_runtime_put_sync_autosuspend(&dwc3->dev); 2278eed00b2SManu Gautam return; 2282655971aSAditya Pakki } 2298eed00b2SManu Gautam 2308eed00b2SManu Gautam pm_runtime_mark_last_busy(&dwc3->dev); 2318eed00b2SManu Gautam pm_runtime_put_sync_autosuspend(&dwc3->dev); 2328eed00b2SManu Gautam } 2338eed00b2SManu Gautam #endif 2348eed00b2SManu Gautam 2351a7b12f6SAndy Shevchenko static int dwc3_pci_probe(struct pci_dev *pci, const struct pci_device_id *id) 23672246da4SFelipe Balbi { 2370f817ae6SFelipe Balbi struct dwc3_pci *dwc; 23872246da4SFelipe Balbi struct resource res[2]; 239b09e99eeSAndy Shevchenko int ret; 240802ca850SChanho Park struct device *dev = &pci->dev; 24172246da4SFelipe Balbi 242f1c7e710SAndy Shevchenko ret = pcim_enable_device(pci); 24372246da4SFelipe Balbi if (ret) { 244802ca850SChanho Park dev_err(dev, "failed to enable pci device\n"); 245802ca850SChanho Park return -ENODEV; 24672246da4SFelipe Balbi } 24772246da4SFelipe Balbi 24872246da4SFelipe Balbi pci_set_master(pci); 24972246da4SFelipe Balbi 2500f817ae6SFelipe Balbi dwc = devm_kzalloc(dev, sizeof(*dwc), GFP_KERNEL); 2510f817ae6SFelipe Balbi if (!dwc) 252f1c7e710SAndy Shevchenko return -ENOMEM; 2530f817ae6SFelipe Balbi 2540f817ae6SFelipe Balbi dwc->dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO); 2550f817ae6SFelipe Balbi if (!dwc->dwc3) 2560f817ae6SFelipe Balbi return -ENOMEM; 25772246da4SFelipe Balbi 25872246da4SFelipe Balbi memset(res, 0x00, sizeof(struct resource) * ARRAY_SIZE(res)); 25972246da4SFelipe Balbi 26072246da4SFelipe Balbi res[0].start = pci_resource_start(pci, 0); 26172246da4SFelipe Balbi res[0].end = pci_resource_end(pci, 0); 26272246da4SFelipe Balbi res[0].name = "dwc_usb3"; 26372246da4SFelipe Balbi res[0].flags = IORESOURCE_MEM; 26472246da4SFelipe Balbi 26572246da4SFelipe Balbi res[1].start = pci->irq; 26672246da4SFelipe Balbi res[1].name = "dwc_usb3"; 26772246da4SFelipe Balbi res[1].flags = IORESOURCE_IRQ; 26872246da4SFelipe Balbi 2690f817ae6SFelipe Balbi ret = platform_device_add_resources(dwc->dwc3, res, ARRAY_SIZE(res)); 27072246da4SFelipe Balbi if (ret) { 271802ca850SChanho Park dev_err(dev, "couldn't add resources to dwc3 device\n"); 272cabdf83dSThinh Nguyen goto err; 27372246da4SFelipe Balbi } 27472246da4SFelipe Balbi 2750f817ae6SFelipe Balbi dwc->pci = pci; 2760f817ae6SFelipe Balbi dwc->dwc3->dev.parent = dev; 2770f817ae6SFelipe Balbi ACPI_COMPANION_SET(&dwc->dwc3->dev, ACPI_COMPANION(dev)); 27872246da4SFelipe Balbi 279*e492ce9bSHeikki Krogerus ret = device_add_software_node(&dwc->dwc3->dev, (void *)id->driver_data); 2801a7b12f6SAndy Shevchenko if (ret < 0) 2819bbfceeaSNavid Emamdoost goto err; 2821a7b12f6SAndy Shevchenko 2830f817ae6SFelipe Balbi ret = dwc3_pci_quirks(dwc); 284474799f0SHeikki Krogerus if (ret) 285474799f0SHeikki Krogerus goto err; 286474799f0SHeikki Krogerus 2870f817ae6SFelipe Balbi ret = platform_device_add(dwc->dwc3); 28872246da4SFelipe Balbi if (ret) { 289802ca850SChanho Park dev_err(dev, "failed to register dwc3 device\n"); 2902cd9ddf7SHeikki Krogerus goto err; 29172246da4SFelipe Balbi } 29272246da4SFelipe Balbi 293e9af9229SFelipe Balbi device_init_wakeup(dev, true); 2940f817ae6SFelipe Balbi pci_set_drvdata(pci, dwc); 295e9af9229SFelipe Balbi pm_runtime_put(dev); 2968eed00b2SManu Gautam #ifdef CONFIG_PM 2978eed00b2SManu Gautam INIT_WORK(&dwc->wakeup_work, dwc3_pci_resume_work); 2988eed00b2SManu Gautam #endif 299e9af9229SFelipe Balbi 30072246da4SFelipe Balbi return 0; 3012cd9ddf7SHeikki Krogerus err: 302*e492ce9bSHeikki Krogerus device_remove_software_node(&dwc->dwc3->dev); 3030f817ae6SFelipe Balbi platform_device_put(dwc->dwc3); 30472246da4SFelipe Balbi return ret; 30572246da4SFelipe Balbi } 30672246da4SFelipe Balbi 307fb4e98abSBill Pemberton static void dwc3_pci_remove(struct pci_dev *pci) 30872246da4SFelipe Balbi { 3090f817ae6SFelipe Balbi struct dwc3_pci *dwc = pci_get_drvdata(pci); 3107b412b04SKuppuswamy Sathyanarayanan struct pci_dev *pdev = dwc->pci; 3110f817ae6SFelipe Balbi 3127b412b04SKuppuswamy Sathyanarayanan if (pdev->device == PCI_DEVICE_ID_INTEL_BYT) 3135741022cSHans de Goede gpiod_remove_lookup_table(&platform_bytcr_gpios); 3148eed00b2SManu Gautam #ifdef CONFIG_PM 3158eed00b2SManu Gautam cancel_work_sync(&dwc->wakeup_work); 3168eed00b2SManu Gautam #endif 317e9af9229SFelipe Balbi device_init_wakeup(&pci->dev, false); 318e9af9229SFelipe Balbi pm_runtime_get(&pci->dev); 319*e492ce9bSHeikki Krogerus device_remove_software_node(&dwc->dwc3->dev); 3200f817ae6SFelipe Balbi platform_device_unregister(dwc->dwc3); 32172246da4SFelipe Balbi } 32272246da4SFelipe Balbi 323782df20cSJingoo Han static const struct pci_device_id dwc3_pci_id_table[] = { 3241a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BSW), 325*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3261a7b12f6SAndy Shevchenko 3271a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BYT), 328*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3291a7b12f6SAndy Shevchenko 3301a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_MRFLD), 331*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_mrfld_swnode, }, 3321a7b12f6SAndy Shevchenko 3333c3caae4SHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CMLLP), 334*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3353c3caae4SHeikki Krogerus 3367ae622c9SFelipe Balbi { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CMLH), 337*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3387ae622c9SFelipe Balbi 3391a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SPTLP), 340*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3411a7b12f6SAndy Shevchenko 3421a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SPTH), 343*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3441a7b12f6SAndy Shevchenko 3451a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BXT), 346*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3471a7b12f6SAndy Shevchenko 3481a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BXT_M), 349*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3501a7b12f6SAndy Shevchenko 3511a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_APL), 352*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3531a7b12f6SAndy Shevchenko 3541a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_KBP), 355*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3561a7b12f6SAndy Shevchenko 3571a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_GLK), 358*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3591a7b12f6SAndy Shevchenko 3601a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPLP), 361*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3621a7b12f6SAndy Shevchenko 3631a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPH), 364*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3651a7b12f6SAndy Shevchenko 366f5ae8869SHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPV), 367*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 368f5ae8869SHeikki Krogerus 3691a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICLLP), 370*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3711a7b12f6SAndy Shevchenko 372dbb0569dSFelipe Balbi { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_EHLLP), 373*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode }, 374dbb0569dSFelipe Balbi 375b3649deeSFelipe Balbi { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGPLP), 376*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 377b3649deeSFelipe Balbi 378c3f595a8SHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGPH), 379*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 380c3f595a8SHeikki Krogerus 381e25d1e85SHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_JSP), 382*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 383e25d1e85SHeikki Krogerus 3841384ab4fSHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ADLS), 385*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3861384ab4fSHeikki Krogerus 3871a7b12f6SAndy Shevchenko { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_NL_USB), 388*e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_amd_swnode, }, 38972246da4SFelipe Balbi { } /* Terminating Entry */ 39072246da4SFelipe Balbi }; 39172246da4SFelipe Balbi MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table); 39272246da4SFelipe Balbi 39336daf3aaSFelipe Balbi #if defined(CONFIG_PM) || defined(CONFIG_PM_SLEEP) 39436daf3aaSFelipe Balbi static int dwc3_pci_dsm(struct dwc3_pci *dwc, int param) 39536daf3aaSFelipe Balbi { 39636daf3aaSFelipe Balbi union acpi_object *obj; 39736daf3aaSFelipe Balbi union acpi_object tmp; 39836daf3aaSFelipe Balbi union acpi_object argv4 = ACPI_INIT_DSM_ARGV4(1, &tmp); 39936daf3aaSFelipe Balbi 40036daf3aaSFelipe Balbi if (!dwc->has_dsm_for_pm) 40136daf3aaSFelipe Balbi return 0; 40236daf3aaSFelipe Balbi 40336daf3aaSFelipe Balbi tmp.type = ACPI_TYPE_INTEGER; 40436daf3aaSFelipe Balbi tmp.integer.value = param; 40536daf3aaSFelipe Balbi 40694116f81SAndy Shevchenko obj = acpi_evaluate_dsm(ACPI_HANDLE(&dwc->pci->dev), &dwc->guid, 40736daf3aaSFelipe Balbi 1, PCI_INTEL_BXT_FUNC_PMU_PWR, &argv4); 40836daf3aaSFelipe Balbi if (!obj) { 40936daf3aaSFelipe Balbi dev_err(&dwc->pci->dev, "failed to evaluate _DSM\n"); 41036daf3aaSFelipe Balbi return -EIO; 41136daf3aaSFelipe Balbi } 41236daf3aaSFelipe Balbi 41336daf3aaSFelipe Balbi ACPI_FREE(obj); 41436daf3aaSFelipe Balbi 41536daf3aaSFelipe Balbi return 0; 41636daf3aaSFelipe Balbi } 41736daf3aaSFelipe Balbi #endif /* CONFIG_PM || CONFIG_PM_SLEEP */ 41836daf3aaSFelipe Balbi 419e9af9229SFelipe Balbi #ifdef CONFIG_PM 420e9af9229SFelipe Balbi static int dwc3_pci_runtime_suspend(struct device *dev) 421e9af9229SFelipe Balbi { 4229cecca75SFelipe Balbi struct dwc3_pci *dwc = dev_get_drvdata(dev); 4239cecca75SFelipe Balbi 424de3ef1ebSRafael J. Wysocki if (device_can_wakeup(dev)) 4259cecca75SFelipe Balbi return dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D3); 426e9af9229SFelipe Balbi 427e9af9229SFelipe Balbi return -EBUSY; 428e9af9229SFelipe Balbi } 429e9af9229SFelipe Balbi 430f6c274e1SFelipe Balbi static int dwc3_pci_runtime_resume(struct device *dev) 431f6c274e1SFelipe Balbi { 4320f817ae6SFelipe Balbi struct dwc3_pci *dwc = dev_get_drvdata(dev); 4339cecca75SFelipe Balbi int ret; 4349cecca75SFelipe Balbi 4359cecca75SFelipe Balbi ret = dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D0); 4369cecca75SFelipe Balbi if (ret) 4379cecca75SFelipe Balbi return ret; 438f6c274e1SFelipe Balbi 4398eed00b2SManu Gautam queue_work(pm_wq, &dwc->wakeup_work); 4408eed00b2SManu Gautam 4418eed00b2SManu Gautam return 0; 442f6c274e1SFelipe Balbi } 443696118c0SFelipe Balbi #endif /* CONFIG_PM */ 444f6c274e1SFelipe Balbi 445696118c0SFelipe Balbi #ifdef CONFIG_PM_SLEEP 4469cecca75SFelipe Balbi static int dwc3_pci_suspend(struct device *dev) 447e9af9229SFelipe Balbi { 4489cecca75SFelipe Balbi struct dwc3_pci *dwc = dev_get_drvdata(dev); 4499cecca75SFelipe Balbi 4509cecca75SFelipe Balbi return dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D3); 4519cecca75SFelipe Balbi } 4529cecca75SFelipe Balbi 4539cecca75SFelipe Balbi static int dwc3_pci_resume(struct device *dev) 4549cecca75SFelipe Balbi { 4559cecca75SFelipe Balbi struct dwc3_pci *dwc = dev_get_drvdata(dev); 4569cecca75SFelipe Balbi 4579cecca75SFelipe Balbi return dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D0); 458e9af9229SFelipe Balbi } 459696118c0SFelipe Balbi #endif /* CONFIG_PM_SLEEP */ 460e9af9229SFelipe Balbi 46195aa932cSDoug Wilson static const struct dev_pm_ops dwc3_pci_dev_pm_ops = { 4629cecca75SFelipe Balbi SET_SYSTEM_SLEEP_PM_OPS(dwc3_pci_suspend, dwc3_pci_resume) 463f6c274e1SFelipe Balbi SET_RUNTIME_PM_OPS(dwc3_pci_runtime_suspend, dwc3_pci_runtime_resume, 464e9af9229SFelipe Balbi NULL) 465e9af9229SFelipe Balbi }; 466e9af9229SFelipe Balbi 46772246da4SFelipe Balbi static struct pci_driver dwc3_pci_driver = { 4680949e99bSFelipe Balbi .name = "dwc3-pci", 46972246da4SFelipe Balbi .id_table = dwc3_pci_id_table, 47072246da4SFelipe Balbi .probe = dwc3_pci_probe, 4717690417dSBill Pemberton .remove = dwc3_pci_remove, 472e9af9229SFelipe Balbi .driver = { 473e9af9229SFelipe Balbi .pm = &dwc3_pci_dev_pm_ops, 474e9af9229SFelipe Balbi } 47572246da4SFelipe Balbi }; 47672246da4SFelipe Balbi 47772246da4SFelipe Balbi MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>"); 4785945f789SFelipe Balbi MODULE_LICENSE("GPL v2"); 47972246da4SFelipe Balbi MODULE_DESCRIPTION("DesignWare USB3 PCI Glue Layer"); 48072246da4SFelipe Balbi 48195656336SGreg Kroah-Hartman module_pci_driver(dwc3_pci_driver); 482