15fd54aceSGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0 272246da4SFelipe Balbi /** 372246da4SFelipe Balbi * dwc3-pci.c - PCI Specific glue layer 472246da4SFelipe Balbi * 572246da4SFelipe Balbi * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://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 41*c3f595a8SHeikki Krogerus #define PCI_DEVICE_ID_INTEL_TGPH 0x43ee 4272246da4SFelipe Balbi 4394116f81SAndy Shevchenko #define PCI_INTEL_BXT_DSM_GUID "732b85d5-b7a7-4a1b-9ba0-4bbd00ffd511" 449cecca75SFelipe Balbi #define PCI_INTEL_BXT_FUNC_PMU_PWR 4 459cecca75SFelipe Balbi #define PCI_INTEL_BXT_STATE_D0 0 469cecca75SFelipe Balbi #define PCI_INTEL_BXT_STATE_D3 3 479cecca75SFelipe Balbi 487740d04dSHans de Goede #define GP_RWBAR 1 497740d04dSHans de Goede #define GP_RWREG1 0xa0 507740d04dSHans de Goede #define GP_RWREG1_ULPI_REFCLK_DISABLE (1 << 17) 517740d04dSHans de Goede 520f817ae6SFelipe Balbi /** 530f817ae6SFelipe Balbi * struct dwc3_pci - Driver private structure 540f817ae6SFelipe Balbi * @dwc3: child dwc3 platform_device 550f817ae6SFelipe Balbi * @pci: our link to PCI bus 5694116f81SAndy Shevchenko * @guid: _DSM GUID 579cecca75SFelipe Balbi * @has_dsm_for_pm: true for devices which need to run _DSM on runtime PM 5887d852deSAndy Shevchenko * @wakeup_work: work for asynchronous resume 590f817ae6SFelipe Balbi */ 600f817ae6SFelipe Balbi struct dwc3_pci { 610f817ae6SFelipe Balbi struct platform_device *dwc3; 620f817ae6SFelipe Balbi struct pci_dev *pci; 639cecca75SFelipe Balbi 6494116f81SAndy Shevchenko guid_t guid; 659cecca75SFelipe Balbi 669cecca75SFelipe Balbi unsigned int has_dsm_for_pm:1; 678eed00b2SManu Gautam struct work_struct wakeup_work; 680f817ae6SFelipe Balbi }; 690f817ae6SFelipe Balbi 70a89d977cSHeikki Krogerus static const struct acpi_gpio_params reset_gpios = { 0, 0, false }; 71a89d977cSHeikki Krogerus static const struct acpi_gpio_params cs_gpios = { 1, 0, false }; 72a89d977cSHeikki Krogerus 73a89d977cSHeikki Krogerus static const struct acpi_gpio_mapping acpi_dwc3_byt_gpios[] = { 74a89d977cSHeikki Krogerus { "reset-gpios", &reset_gpios, 1 }, 75a89d977cSHeikki Krogerus { "cs-gpios", &cs_gpios, 1 }, 76a89d977cSHeikki Krogerus { }, 77a89d977cSHeikki Krogerus }; 78a89d977cSHeikki Krogerus 795741022cSHans de Goede static struct gpiod_lookup_table platform_bytcr_gpios = { 805741022cSHans de Goede .dev_id = "0000:00:16.0", 815741022cSHans de Goede .table = { 825741022cSHans de Goede GPIO_LOOKUP("INT33FC:00", 54, "reset", GPIO_ACTIVE_HIGH), 835741022cSHans de Goede GPIO_LOOKUP("INT33FC:02", 14, "cs", GPIO_ACTIVE_HIGH), 845741022cSHans de Goede {} 855741022cSHans de Goede }, 865741022cSHans de Goede }; 875741022cSHans de Goede 887740d04dSHans de Goede static int dwc3_byt_enable_ulpi_refclock(struct pci_dev *pci) 897740d04dSHans de Goede { 907740d04dSHans de Goede void __iomem *reg; 917740d04dSHans de Goede u32 value; 927740d04dSHans de Goede 937740d04dSHans de Goede reg = pcim_iomap(pci, GP_RWBAR, 0); 94b497fff6SWei Yongjun if (!reg) 95b497fff6SWei Yongjun return -ENOMEM; 967740d04dSHans de Goede 977740d04dSHans de Goede value = readl(reg + GP_RWREG1); 987740d04dSHans de Goede if (!(value & GP_RWREG1_ULPI_REFCLK_DISABLE)) 997740d04dSHans de Goede goto unmap; /* ULPI refclk already enabled */ 1007740d04dSHans de Goede 1017740d04dSHans de Goede value &= ~GP_RWREG1_ULPI_REFCLK_DISABLE; 1027740d04dSHans de Goede writel(value, reg + GP_RWREG1); 1037740d04dSHans de Goede /* This comes from the Intel Android x86 tree w/o any explanation */ 1047740d04dSHans de Goede msleep(100); 1057740d04dSHans de Goede unmap: 1067740d04dSHans de Goede pcim_iounmap(pci, reg); 1077740d04dSHans de Goede return 0; 1087740d04dSHans de Goede } 1097740d04dSHans de Goede 1101a7b12f6SAndy Shevchenko static const struct property_entry dwc3_pci_intel_properties[] = { 1111a7b12f6SAndy Shevchenko PROPERTY_ENTRY_STRING("dr_mode", "peripheral"), 1121a7b12f6SAndy Shevchenko PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), 1131a7b12f6SAndy Shevchenko {} 1141a7b12f6SAndy Shevchenko }; 1150f817ae6SFelipe Balbi 116c31d983bSAndy Shevchenko static const struct property_entry dwc3_pci_mrfld_properties[] = { 117c31d983bSAndy Shevchenko PROPERTY_ENTRY_STRING("dr_mode", "otg"), 118066c0959SAndy Shevchenko PROPERTY_ENTRY_STRING("linux,extcon-name", "mrfld_bcove_pwrsrc"), 119c31d983bSAndy Shevchenko PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), 120c31d983bSAndy Shevchenko {} 121c31d983bSAndy Shevchenko }; 122c31d983bSAndy Shevchenko 1231a7b12f6SAndy Shevchenko static const struct property_entry dwc3_pci_amd_properties[] = { 124cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,has-lpm-erratum"), 125cf48305dSHeikki Krogerus PROPERTY_ENTRY_U8("snps,lpm-nyet-threshold", 0xf), 126cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,u2exit_lfps_quirk"), 127cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,u2ss_inp3_quirk"), 128cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,req_p1p2p3_quirk"), 129cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,del_p1p2p3_quirk"), 130cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,del_phy_power_chg_quirk"), 131cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,lfps_filter_quirk"), 132cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,rx_detect_poll_quirk"), 133cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,tx_de_emphasis_quirk"), 134cf48305dSHeikki Krogerus PROPERTY_ENTRY_U8("snps,tx_de_emphasis", 1), 1351a7b12f6SAndy Shevchenko /* FIXME these quirks should be removed when AMD NL tapes out */ 136cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,disable_scramble_quirk"), 137cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,dis_u3_susphy_quirk"), 138cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"), 1390eae2fdeSJohn Youn PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), 140e6fe66feSFelipe Balbi {} 141e6fe66feSFelipe Balbi }; 142e6fe66feSFelipe Balbi 1431a7b12f6SAndy Shevchenko static int dwc3_pci_quirks(struct dwc3_pci *dwc) 1441a7b12f6SAndy Shevchenko { 1451a7b12f6SAndy Shevchenko struct pci_dev *pdev = dwc->pci; 146e6fe66feSFelipe Balbi 1471a7b12f6SAndy Shevchenko if (pdev->vendor == PCI_VENDOR_ID_INTEL) { 1489cecca75SFelipe Balbi if (pdev->device == PCI_DEVICE_ID_INTEL_BXT || 1499cecca75SFelipe Balbi pdev->device == PCI_DEVICE_ID_INTEL_BXT_M) { 15094116f81SAndy Shevchenko guid_parse(PCI_INTEL_BXT_DSM_GUID, &dwc->guid); 1519cecca75SFelipe Balbi dwc->has_dsm_for_pm = true; 1529cecca75SFelipe Balbi } 1539cecca75SFelipe Balbi 154e6fe66feSFelipe Balbi if (pdev->device == PCI_DEVICE_ID_INTEL_BYT) { 155a89d977cSHeikki Krogerus struct gpio_desc *gpio; 1561a7b12f6SAndy Shevchenko int ret; 157a89d977cSHeikki Krogerus 1587740d04dSHans de Goede /* On BYT the FW does not always enable the refclock */ 1597740d04dSHans de Goede ret = dwc3_byt_enable_ulpi_refclock(pdev); 1607740d04dSHans de Goede if (ret) 1617740d04dSHans de Goede return ret; 1627740d04dSHans de Goede 1634a56e413SAndy Shevchenko ret = devm_acpi_dev_add_driver_gpios(&pdev->dev, 164a89d977cSHeikki Krogerus acpi_dwc3_byt_gpios); 1654a56e413SAndy Shevchenko if (ret) 1664a56e413SAndy Shevchenko dev_dbg(&pdev->dev, "failed to add mapping table\n"); 167a89d977cSHeikki Krogerus 1682df033caSUwe Kleine-König /* 1695741022cSHans de Goede * A lot of BYT devices lack ACPI resource entries for 1705741022cSHans de Goede * the GPIOs, add a fallback mapping to the reference 1715741022cSHans de Goede * design GPIOs which all boards seem to use. 1725741022cSHans de Goede */ 1735741022cSHans de Goede gpiod_add_lookup_table(&platform_bytcr_gpios); 1745741022cSHans de Goede 1755741022cSHans de Goede /* 1762df033caSUwe Kleine-König * These GPIOs will turn on the USB2 PHY. Note that we have to 1772df033caSUwe Kleine-König * put the gpio descriptors again here because the phy driver 1782df033caSUwe Kleine-König * might want to grab them, too. 1792df033caSUwe Kleine-König */ 1803004cfd6SStephan Gerhold gpio = gpiod_get_optional(&pdev->dev, "cs", GPIOD_OUT_LOW); 1812df033caSUwe Kleine-König if (IS_ERR(gpio)) 1822df033caSUwe Kleine-König return PTR_ERR(gpio); 1832df033caSUwe Kleine-König 184a89d977cSHeikki Krogerus gpiod_set_value_cansleep(gpio, 1); 1853004cfd6SStephan Gerhold gpiod_put(gpio); 186a89d977cSHeikki Krogerus 1873004cfd6SStephan Gerhold gpio = gpiod_get_optional(&pdev->dev, "reset", GPIOD_OUT_LOW); 1882df033caSUwe Kleine-König if (IS_ERR(gpio)) 1892df033caSUwe Kleine-König return PTR_ERR(gpio); 1902df033caSUwe Kleine-König 1912df033caSUwe Kleine-König if (gpio) { 192a89d977cSHeikki Krogerus gpiod_set_value_cansleep(gpio, 1); 1933004cfd6SStephan Gerhold gpiod_put(gpio); 194a89d977cSHeikki Krogerus usleep_range(10000, 11000); 195a89d977cSHeikki Krogerus } 196a89d977cSHeikki Krogerus } 197e6fe66feSFelipe Balbi } 198a89d977cSHeikki Krogerus 1992cd9ddf7SHeikki Krogerus return 0; 2002cd9ddf7SHeikki Krogerus } 20172246da4SFelipe Balbi 2028eed00b2SManu Gautam #ifdef CONFIG_PM 2038eed00b2SManu Gautam static void dwc3_pci_resume_work(struct work_struct *work) 2048eed00b2SManu Gautam { 2058eed00b2SManu Gautam struct dwc3_pci *dwc = container_of(work, struct dwc3_pci, wakeup_work); 2068eed00b2SManu Gautam struct platform_device *dwc3 = dwc->dwc3; 2078eed00b2SManu Gautam int ret; 2088eed00b2SManu Gautam 2098eed00b2SManu Gautam ret = pm_runtime_get_sync(&dwc3->dev); 2102655971aSAditya Pakki if (ret) { 2112655971aSAditya Pakki pm_runtime_put_sync_autosuspend(&dwc3->dev); 2128eed00b2SManu Gautam return; 2132655971aSAditya Pakki } 2148eed00b2SManu Gautam 2158eed00b2SManu Gautam pm_runtime_mark_last_busy(&dwc3->dev); 2168eed00b2SManu Gautam pm_runtime_put_sync_autosuspend(&dwc3->dev); 2178eed00b2SManu Gautam } 2188eed00b2SManu Gautam #endif 2198eed00b2SManu Gautam 2201a7b12f6SAndy Shevchenko static int dwc3_pci_probe(struct pci_dev *pci, const struct pci_device_id *id) 22172246da4SFelipe Balbi { 2221a7b12f6SAndy Shevchenko struct property_entry *p = (struct property_entry *)id->driver_data; 2230f817ae6SFelipe Balbi struct dwc3_pci *dwc; 22472246da4SFelipe Balbi struct resource res[2]; 225b09e99eeSAndy Shevchenko int ret; 226802ca850SChanho Park struct device *dev = &pci->dev; 22772246da4SFelipe Balbi 228f1c7e710SAndy Shevchenko ret = pcim_enable_device(pci); 22972246da4SFelipe Balbi if (ret) { 230802ca850SChanho Park dev_err(dev, "failed to enable pci device\n"); 231802ca850SChanho Park return -ENODEV; 23272246da4SFelipe Balbi } 23372246da4SFelipe Balbi 23472246da4SFelipe Balbi pci_set_master(pci); 23572246da4SFelipe Balbi 2360f817ae6SFelipe Balbi dwc = devm_kzalloc(dev, sizeof(*dwc), GFP_KERNEL); 2370f817ae6SFelipe Balbi if (!dwc) 238f1c7e710SAndy Shevchenko return -ENOMEM; 2390f817ae6SFelipe Balbi 2400f817ae6SFelipe Balbi dwc->dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO); 2410f817ae6SFelipe Balbi if (!dwc->dwc3) 2420f817ae6SFelipe Balbi return -ENOMEM; 24372246da4SFelipe Balbi 24472246da4SFelipe Balbi memset(res, 0x00, sizeof(struct resource) * ARRAY_SIZE(res)); 24572246da4SFelipe Balbi 24672246da4SFelipe Balbi res[0].start = pci_resource_start(pci, 0); 24772246da4SFelipe Balbi res[0].end = pci_resource_end(pci, 0); 24872246da4SFelipe Balbi res[0].name = "dwc_usb3"; 24972246da4SFelipe Balbi res[0].flags = IORESOURCE_MEM; 25072246da4SFelipe Balbi 25172246da4SFelipe Balbi res[1].start = pci->irq; 25272246da4SFelipe Balbi res[1].name = "dwc_usb3"; 25372246da4SFelipe Balbi res[1].flags = IORESOURCE_IRQ; 25472246da4SFelipe Balbi 2550f817ae6SFelipe Balbi ret = platform_device_add_resources(dwc->dwc3, res, ARRAY_SIZE(res)); 25672246da4SFelipe Balbi if (ret) { 257802ca850SChanho Park dev_err(dev, "couldn't add resources to dwc3 device\n"); 258cabdf83dSThinh Nguyen goto err; 25972246da4SFelipe Balbi } 26072246da4SFelipe Balbi 2610f817ae6SFelipe Balbi dwc->pci = pci; 2620f817ae6SFelipe Balbi dwc->dwc3->dev.parent = dev; 2630f817ae6SFelipe Balbi ACPI_COMPANION_SET(&dwc->dwc3->dev, ACPI_COMPANION(dev)); 26472246da4SFelipe Balbi 2651a7b12f6SAndy Shevchenko ret = platform_device_add_properties(dwc->dwc3, p); 2661a7b12f6SAndy Shevchenko if (ret < 0) 2679bbfceeaSNavid Emamdoost goto err; 2681a7b12f6SAndy Shevchenko 2690f817ae6SFelipe Balbi ret = dwc3_pci_quirks(dwc); 270474799f0SHeikki Krogerus if (ret) 271474799f0SHeikki Krogerus goto err; 272474799f0SHeikki Krogerus 2730f817ae6SFelipe Balbi ret = platform_device_add(dwc->dwc3); 27472246da4SFelipe Balbi if (ret) { 275802ca850SChanho Park dev_err(dev, "failed to register dwc3 device\n"); 2762cd9ddf7SHeikki Krogerus goto err; 27772246da4SFelipe Balbi } 27872246da4SFelipe Balbi 279e9af9229SFelipe Balbi device_init_wakeup(dev, true); 2800f817ae6SFelipe Balbi pci_set_drvdata(pci, dwc); 281e9af9229SFelipe Balbi pm_runtime_put(dev); 2828eed00b2SManu Gautam #ifdef CONFIG_PM 2838eed00b2SManu Gautam INIT_WORK(&dwc->wakeup_work, dwc3_pci_resume_work); 2848eed00b2SManu Gautam #endif 285e9af9229SFelipe Balbi 28672246da4SFelipe Balbi return 0; 2872cd9ddf7SHeikki Krogerus err: 2880f817ae6SFelipe Balbi platform_device_put(dwc->dwc3); 28972246da4SFelipe Balbi return ret; 29072246da4SFelipe Balbi } 29172246da4SFelipe Balbi 292fb4e98abSBill Pemberton static void dwc3_pci_remove(struct pci_dev *pci) 29372246da4SFelipe Balbi { 2940f817ae6SFelipe Balbi struct dwc3_pci *dwc = pci_get_drvdata(pci); 2957b412b04SKuppuswamy Sathyanarayanan struct pci_dev *pdev = dwc->pci; 2960f817ae6SFelipe Balbi 2977b412b04SKuppuswamy Sathyanarayanan if (pdev->device == PCI_DEVICE_ID_INTEL_BYT) 2985741022cSHans de Goede gpiod_remove_lookup_table(&platform_bytcr_gpios); 2998eed00b2SManu Gautam #ifdef CONFIG_PM 3008eed00b2SManu Gautam cancel_work_sync(&dwc->wakeup_work); 3018eed00b2SManu Gautam #endif 302e9af9229SFelipe Balbi device_init_wakeup(&pci->dev, false); 303e9af9229SFelipe Balbi pm_runtime_get(&pci->dev); 3040f817ae6SFelipe Balbi platform_device_unregister(dwc->dwc3); 30572246da4SFelipe Balbi } 30672246da4SFelipe Balbi 307782df20cSJingoo Han static const struct pci_device_id dwc3_pci_id_table[] = { 3081a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BSW), 3091a7b12f6SAndy Shevchenko (kernel_ulong_t) &dwc3_pci_intel_properties }, 3101a7b12f6SAndy Shevchenko 3111a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BYT), 3121a7b12f6SAndy Shevchenko (kernel_ulong_t) &dwc3_pci_intel_properties, }, 3131a7b12f6SAndy Shevchenko 3141a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_MRFLD), 315c31d983bSAndy Shevchenko (kernel_ulong_t) &dwc3_pci_mrfld_properties, }, 3161a7b12f6SAndy Shevchenko 3173c3caae4SHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CMLLP), 3183c3caae4SHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_properties, }, 3193c3caae4SHeikki Krogerus 3207ae622c9SFelipe Balbi { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CMLH), 3217ae622c9SFelipe Balbi (kernel_ulong_t) &dwc3_pci_intel_properties, }, 3227ae622c9SFelipe Balbi 3231a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SPTLP), 3241a7b12f6SAndy Shevchenko (kernel_ulong_t) &dwc3_pci_intel_properties, }, 3251a7b12f6SAndy Shevchenko 3261a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SPTH), 3271a7b12f6SAndy Shevchenko (kernel_ulong_t) &dwc3_pci_intel_properties, }, 3281a7b12f6SAndy Shevchenko 3291a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BXT), 3301a7b12f6SAndy Shevchenko (kernel_ulong_t) &dwc3_pci_intel_properties, }, 3311a7b12f6SAndy Shevchenko 3321a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BXT_M), 3331a7b12f6SAndy Shevchenko (kernel_ulong_t) &dwc3_pci_intel_properties, }, 3341a7b12f6SAndy Shevchenko 3351a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_APL), 3361a7b12f6SAndy Shevchenko (kernel_ulong_t) &dwc3_pci_intel_properties, }, 3371a7b12f6SAndy Shevchenko 3381a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_KBP), 3391a7b12f6SAndy Shevchenko (kernel_ulong_t) &dwc3_pci_intel_properties, }, 3401a7b12f6SAndy Shevchenko 3411a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_GLK), 3421a7b12f6SAndy Shevchenko (kernel_ulong_t) &dwc3_pci_intel_properties, }, 3431a7b12f6SAndy Shevchenko 3441a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPLP), 3451a7b12f6SAndy Shevchenko (kernel_ulong_t) &dwc3_pci_intel_properties, }, 3461a7b12f6SAndy Shevchenko 3471a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPH), 3481a7b12f6SAndy Shevchenko (kernel_ulong_t) &dwc3_pci_intel_properties, }, 3491a7b12f6SAndy Shevchenko 350f5ae8869SHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPV), 351f5ae8869SHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_properties, }, 352f5ae8869SHeikki Krogerus 3531a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICLLP), 3541a7b12f6SAndy Shevchenko (kernel_ulong_t) &dwc3_pci_intel_properties, }, 3551a7b12f6SAndy Shevchenko 356dbb0569dSFelipe Balbi { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_EHLLP), 357dbb0569dSFelipe Balbi (kernel_ulong_t) &dwc3_pci_intel_properties, }, 358dbb0569dSFelipe Balbi 359b3649deeSFelipe Balbi { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGPLP), 360b3649deeSFelipe Balbi (kernel_ulong_t) &dwc3_pci_intel_properties, }, 361b3649deeSFelipe Balbi 362*c3f595a8SHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGPH), 363*c3f595a8SHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_properties, }, 364*c3f595a8SHeikki Krogerus 3651a7b12f6SAndy Shevchenko { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_NL_USB), 3661a7b12f6SAndy Shevchenko (kernel_ulong_t) &dwc3_pci_amd_properties, }, 36772246da4SFelipe Balbi { } /* Terminating Entry */ 36872246da4SFelipe Balbi }; 36972246da4SFelipe Balbi MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table); 37072246da4SFelipe Balbi 37136daf3aaSFelipe Balbi #if defined(CONFIG_PM) || defined(CONFIG_PM_SLEEP) 37236daf3aaSFelipe Balbi static int dwc3_pci_dsm(struct dwc3_pci *dwc, int param) 37336daf3aaSFelipe Balbi { 37436daf3aaSFelipe Balbi union acpi_object *obj; 37536daf3aaSFelipe Balbi union acpi_object tmp; 37636daf3aaSFelipe Balbi union acpi_object argv4 = ACPI_INIT_DSM_ARGV4(1, &tmp); 37736daf3aaSFelipe Balbi 37836daf3aaSFelipe Balbi if (!dwc->has_dsm_for_pm) 37936daf3aaSFelipe Balbi return 0; 38036daf3aaSFelipe Balbi 38136daf3aaSFelipe Balbi tmp.type = ACPI_TYPE_INTEGER; 38236daf3aaSFelipe Balbi tmp.integer.value = param; 38336daf3aaSFelipe Balbi 38494116f81SAndy Shevchenko obj = acpi_evaluate_dsm(ACPI_HANDLE(&dwc->pci->dev), &dwc->guid, 38536daf3aaSFelipe Balbi 1, PCI_INTEL_BXT_FUNC_PMU_PWR, &argv4); 38636daf3aaSFelipe Balbi if (!obj) { 38736daf3aaSFelipe Balbi dev_err(&dwc->pci->dev, "failed to evaluate _DSM\n"); 38836daf3aaSFelipe Balbi return -EIO; 38936daf3aaSFelipe Balbi } 39036daf3aaSFelipe Balbi 39136daf3aaSFelipe Balbi ACPI_FREE(obj); 39236daf3aaSFelipe Balbi 39336daf3aaSFelipe Balbi return 0; 39436daf3aaSFelipe Balbi } 39536daf3aaSFelipe Balbi #endif /* CONFIG_PM || CONFIG_PM_SLEEP */ 39636daf3aaSFelipe Balbi 397e9af9229SFelipe Balbi #ifdef CONFIG_PM 398e9af9229SFelipe Balbi static int dwc3_pci_runtime_suspend(struct device *dev) 399e9af9229SFelipe Balbi { 4009cecca75SFelipe Balbi struct dwc3_pci *dwc = dev_get_drvdata(dev); 4019cecca75SFelipe Balbi 402de3ef1ebSRafael J. Wysocki if (device_can_wakeup(dev)) 4039cecca75SFelipe Balbi return dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D3); 404e9af9229SFelipe Balbi 405e9af9229SFelipe Balbi return -EBUSY; 406e9af9229SFelipe Balbi } 407e9af9229SFelipe Balbi 408f6c274e1SFelipe Balbi static int dwc3_pci_runtime_resume(struct device *dev) 409f6c274e1SFelipe Balbi { 4100f817ae6SFelipe Balbi struct dwc3_pci *dwc = dev_get_drvdata(dev); 4119cecca75SFelipe Balbi int ret; 4129cecca75SFelipe Balbi 4139cecca75SFelipe Balbi ret = dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D0); 4149cecca75SFelipe Balbi if (ret) 4159cecca75SFelipe Balbi return ret; 416f6c274e1SFelipe Balbi 4178eed00b2SManu Gautam queue_work(pm_wq, &dwc->wakeup_work); 4188eed00b2SManu Gautam 4198eed00b2SManu Gautam return 0; 420f6c274e1SFelipe Balbi } 421696118c0SFelipe Balbi #endif /* CONFIG_PM */ 422f6c274e1SFelipe Balbi 423696118c0SFelipe Balbi #ifdef CONFIG_PM_SLEEP 4249cecca75SFelipe Balbi static int dwc3_pci_suspend(struct device *dev) 425e9af9229SFelipe Balbi { 4269cecca75SFelipe Balbi struct dwc3_pci *dwc = dev_get_drvdata(dev); 4279cecca75SFelipe Balbi 4289cecca75SFelipe Balbi return dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D3); 4299cecca75SFelipe Balbi } 4309cecca75SFelipe Balbi 4319cecca75SFelipe Balbi static int dwc3_pci_resume(struct device *dev) 4329cecca75SFelipe Balbi { 4339cecca75SFelipe Balbi struct dwc3_pci *dwc = dev_get_drvdata(dev); 4349cecca75SFelipe Balbi 4359cecca75SFelipe Balbi return dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D0); 436e9af9229SFelipe Balbi } 437696118c0SFelipe Balbi #endif /* CONFIG_PM_SLEEP */ 438e9af9229SFelipe Balbi 43995aa932cSDoug Wilson static const struct dev_pm_ops dwc3_pci_dev_pm_ops = { 4409cecca75SFelipe Balbi SET_SYSTEM_SLEEP_PM_OPS(dwc3_pci_suspend, dwc3_pci_resume) 441f6c274e1SFelipe Balbi SET_RUNTIME_PM_OPS(dwc3_pci_runtime_suspend, dwc3_pci_runtime_resume, 442e9af9229SFelipe Balbi NULL) 443e9af9229SFelipe Balbi }; 444e9af9229SFelipe Balbi 44572246da4SFelipe Balbi static struct pci_driver dwc3_pci_driver = { 4460949e99bSFelipe Balbi .name = "dwc3-pci", 44772246da4SFelipe Balbi .id_table = dwc3_pci_id_table, 44872246da4SFelipe Balbi .probe = dwc3_pci_probe, 4497690417dSBill Pemberton .remove = dwc3_pci_remove, 450e9af9229SFelipe Balbi .driver = { 451e9af9229SFelipe Balbi .pm = &dwc3_pci_dev_pm_ops, 452e9af9229SFelipe Balbi } 45372246da4SFelipe Balbi }; 45472246da4SFelipe Balbi 45572246da4SFelipe Balbi MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>"); 4565945f789SFelipe Balbi MODULE_LICENSE("GPL v2"); 45772246da4SFelipe Balbi MODULE_DESCRIPTION("DesignWare USB3 PCI Glue Layer"); 45872246da4SFelipe Balbi 45995656336SGreg Kroah-Hartman module_pci_driver(dwc3_pci_driver); 460