15fd54aceSGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0 227088e00SAditya Srivastava /* 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 39457d2285SRaymond Tan #define PCI_DEVICE_ID_INTEL_EHL 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 43f08fc2c3SHeikki Krogerus #define PCI_DEVICE_ID_INTEL_ADLP 0x51ee 44782de5e7SHeikki Krogerus #define PCI_DEVICE_ID_INTEL_ADLM 0x54ee 451384ab4fSHeikki Krogerus #define PCI_DEVICE_ID_INTEL_ADLS 0x7ae1 4673203bdeSHeikki Krogerus #define PCI_DEVICE_ID_INTEL_TGL 0x9a15 471abade64SNehal Bakulchandra Shah #define PCI_DEVICE_ID_AMD_MR 0x163a 4872246da4SFelipe Balbi 4994116f81SAndy Shevchenko #define PCI_INTEL_BXT_DSM_GUID "732b85d5-b7a7-4a1b-9ba0-4bbd00ffd511" 509cecca75SFelipe Balbi #define PCI_INTEL_BXT_FUNC_PMU_PWR 4 519cecca75SFelipe Balbi #define PCI_INTEL_BXT_STATE_D0 0 529cecca75SFelipe Balbi #define PCI_INTEL_BXT_STATE_D3 3 539cecca75SFelipe Balbi 547740d04dSHans de Goede #define GP_RWBAR 1 557740d04dSHans de Goede #define GP_RWREG1 0xa0 567740d04dSHans de Goede #define GP_RWREG1_ULPI_REFCLK_DISABLE (1 << 17) 577740d04dSHans de Goede 580f817ae6SFelipe Balbi /** 590f817ae6SFelipe Balbi * struct dwc3_pci - Driver private structure 600f817ae6SFelipe Balbi * @dwc3: child dwc3 platform_device 610f817ae6SFelipe Balbi * @pci: our link to PCI bus 6294116f81SAndy Shevchenko * @guid: _DSM GUID 639cecca75SFelipe Balbi * @has_dsm_for_pm: true for devices which need to run _DSM on runtime PM 6487d852deSAndy Shevchenko * @wakeup_work: work for asynchronous resume 650f817ae6SFelipe Balbi */ 660f817ae6SFelipe Balbi struct dwc3_pci { 670f817ae6SFelipe Balbi struct platform_device *dwc3; 680f817ae6SFelipe Balbi struct pci_dev *pci; 699cecca75SFelipe Balbi 7094116f81SAndy Shevchenko guid_t guid; 719cecca75SFelipe Balbi 729cecca75SFelipe Balbi unsigned int has_dsm_for_pm:1; 738eed00b2SManu Gautam struct work_struct wakeup_work; 740f817ae6SFelipe Balbi }; 750f817ae6SFelipe Balbi 76a89d977cSHeikki Krogerus static const struct acpi_gpio_params reset_gpios = { 0, 0, false }; 77a89d977cSHeikki Krogerus static const struct acpi_gpio_params cs_gpios = { 1, 0, false }; 78a89d977cSHeikki Krogerus 79a89d977cSHeikki Krogerus static const struct acpi_gpio_mapping acpi_dwc3_byt_gpios[] = { 80a89d977cSHeikki Krogerus { "reset-gpios", &reset_gpios, 1 }, 81a89d977cSHeikki Krogerus { "cs-gpios", &cs_gpios, 1 }, 82a89d977cSHeikki Krogerus { }, 83a89d977cSHeikki Krogerus }; 84a89d977cSHeikki Krogerus 855741022cSHans de Goede static struct gpiod_lookup_table platform_bytcr_gpios = { 865741022cSHans de Goede .dev_id = "0000:00:16.0", 875741022cSHans de Goede .table = { 885741022cSHans de Goede GPIO_LOOKUP("INT33FC:00", 54, "reset", GPIO_ACTIVE_HIGH), 895741022cSHans de Goede GPIO_LOOKUP("INT33FC:02", 14, "cs", GPIO_ACTIVE_HIGH), 905741022cSHans de Goede {} 915741022cSHans de Goede }, 925741022cSHans de Goede }; 935741022cSHans de Goede 947740d04dSHans de Goede static int dwc3_byt_enable_ulpi_refclock(struct pci_dev *pci) 957740d04dSHans de Goede { 967740d04dSHans de Goede void __iomem *reg; 977740d04dSHans de Goede u32 value; 987740d04dSHans de Goede 997740d04dSHans de Goede reg = pcim_iomap(pci, GP_RWBAR, 0); 100b497fff6SWei Yongjun if (!reg) 101b497fff6SWei Yongjun return -ENOMEM; 1027740d04dSHans de Goede 1037740d04dSHans de Goede value = readl(reg + GP_RWREG1); 1047740d04dSHans de Goede if (!(value & GP_RWREG1_ULPI_REFCLK_DISABLE)) 1057740d04dSHans de Goede goto unmap; /* ULPI refclk already enabled */ 1067740d04dSHans de Goede 1077740d04dSHans de Goede value &= ~GP_RWREG1_ULPI_REFCLK_DISABLE; 1087740d04dSHans de Goede writel(value, reg + GP_RWREG1); 1097740d04dSHans de Goede /* This comes from the Intel Android x86 tree w/o any explanation */ 1107740d04dSHans de Goede msleep(100); 1117740d04dSHans de Goede unmap: 1127740d04dSHans de Goede pcim_iounmap(pci, reg); 1137740d04dSHans de Goede return 0; 1147740d04dSHans de Goede } 1157740d04dSHans de Goede 1161a7b12f6SAndy Shevchenko static const struct property_entry dwc3_pci_intel_properties[] = { 1171a7b12f6SAndy Shevchenko PROPERTY_ENTRY_STRING("dr_mode", "peripheral"), 1181a7b12f6SAndy Shevchenko PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), 1191a7b12f6SAndy Shevchenko {} 1201a7b12f6SAndy Shevchenko }; 1210f817ae6SFelipe Balbi 122582ab24eSHans de Goede static const struct property_entry dwc3_pci_intel_phy_charger_detect_properties[] = { 123582ab24eSHans de Goede PROPERTY_ENTRY_STRING("dr_mode", "peripheral"), 124582ab24eSHans de Goede PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"), 125582ab24eSHans de Goede PROPERTY_ENTRY_BOOL("linux,phy_charger_detect"), 126582ab24eSHans de Goede PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), 127582ab24eSHans de Goede {} 128582ab24eSHans de Goede }; 129582ab24eSHans de Goede 130c31d983bSAndy Shevchenko static const struct property_entry dwc3_pci_mrfld_properties[] = { 131c31d983bSAndy Shevchenko PROPERTY_ENTRY_STRING("dr_mode", "otg"), 132066c0959SAndy Shevchenko PROPERTY_ENTRY_STRING("linux,extcon-name", "mrfld_bcove_pwrsrc"), 133b522f830SAndy Shevchenko PROPERTY_ENTRY_BOOL("snps,dis_u3_susphy_quirk"), 134b522f830SAndy Shevchenko PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"), 13504357fafSFerry Toth PROPERTY_ENTRY_BOOL("snps,usb2-gadget-lpm-disable"), 136c31d983bSAndy Shevchenko PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), 137c31d983bSAndy Shevchenko {} 138c31d983bSAndy Shevchenko }; 139c31d983bSAndy Shevchenko 1401a7b12f6SAndy Shevchenko static const struct property_entry dwc3_pci_amd_properties[] = { 141cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,has-lpm-erratum"), 142cf48305dSHeikki Krogerus PROPERTY_ENTRY_U8("snps,lpm-nyet-threshold", 0xf), 143cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,u2exit_lfps_quirk"), 144cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,u2ss_inp3_quirk"), 145cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,req_p1p2p3_quirk"), 146cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,del_p1p2p3_quirk"), 147cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,del_phy_power_chg_quirk"), 148cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,lfps_filter_quirk"), 149cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,rx_detect_poll_quirk"), 150cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,tx_de_emphasis_quirk"), 151cf48305dSHeikki Krogerus PROPERTY_ENTRY_U8("snps,tx_de_emphasis", 1), 1521a7b12f6SAndy Shevchenko /* FIXME these quirks should be removed when AMD NL tapes out */ 153cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,disable_scramble_quirk"), 154cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,dis_u3_susphy_quirk"), 155cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"), 1560eae2fdeSJohn Youn PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), 157e6fe66feSFelipe Balbi {} 158e6fe66feSFelipe Balbi }; 159e6fe66feSFelipe Balbi 1601abade64SNehal Bakulchandra Shah static const struct property_entry dwc3_pci_mr_properties[] = { 1611abade64SNehal Bakulchandra Shah PROPERTY_ENTRY_STRING("dr_mode", "otg"), 1621abade64SNehal Bakulchandra Shah PROPERTY_ENTRY_BOOL("usb-role-switch"), 1631abade64SNehal Bakulchandra Shah PROPERTY_ENTRY_STRING("role-switch-default-mode", "host"), 1641abade64SNehal Bakulchandra Shah PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), 1651abade64SNehal Bakulchandra Shah {} 1661abade64SNehal Bakulchandra Shah }; 1671abade64SNehal Bakulchandra Shah 168e492ce9bSHeikki Krogerus static const struct software_node dwc3_pci_intel_swnode = { 169e492ce9bSHeikki Krogerus .properties = dwc3_pci_intel_properties, 170e492ce9bSHeikki Krogerus }; 171e492ce9bSHeikki Krogerus 172582ab24eSHans de Goede static const struct software_node dwc3_pci_intel_phy_charger_detect_swnode = { 173582ab24eSHans de Goede .properties = dwc3_pci_intel_phy_charger_detect_properties, 174582ab24eSHans de Goede }; 175582ab24eSHans de Goede 176e492ce9bSHeikki Krogerus static const struct software_node dwc3_pci_intel_mrfld_swnode = { 177e492ce9bSHeikki Krogerus .properties = dwc3_pci_mrfld_properties, 178e492ce9bSHeikki Krogerus }; 179e492ce9bSHeikki Krogerus 180e492ce9bSHeikki Krogerus static const struct software_node dwc3_pci_amd_swnode = { 181e492ce9bSHeikki Krogerus .properties = dwc3_pci_amd_properties, 182e492ce9bSHeikki Krogerus }; 183e492ce9bSHeikki Krogerus 1841abade64SNehal Bakulchandra Shah static const struct software_node dwc3_pci_amd_mr_swnode = { 1851abade64SNehal Bakulchandra Shah .properties = dwc3_pci_mr_properties, 1861abade64SNehal Bakulchandra Shah }; 1871abade64SNehal Bakulchandra Shah 188e285cb40SHans de Goede static int dwc3_pci_quirks(struct dwc3_pci *dwc, 189e285cb40SHans de Goede const struct software_node *swnode) 1901a7b12f6SAndy Shevchenko { 1911a7b12f6SAndy Shevchenko struct pci_dev *pdev = dwc->pci; 192e6fe66feSFelipe Balbi 1931a7b12f6SAndy Shevchenko if (pdev->vendor == PCI_VENDOR_ID_INTEL) { 1949cecca75SFelipe Balbi if (pdev->device == PCI_DEVICE_ID_INTEL_BXT || 195a609ce2aSRaymond Tan pdev->device == PCI_DEVICE_ID_INTEL_BXT_M || 196457d2285SRaymond Tan pdev->device == PCI_DEVICE_ID_INTEL_EHL) { 19794116f81SAndy Shevchenko guid_parse(PCI_INTEL_BXT_DSM_GUID, &dwc->guid); 1989cecca75SFelipe Balbi dwc->has_dsm_for_pm = true; 1999cecca75SFelipe Balbi } 2009cecca75SFelipe Balbi 201e6fe66feSFelipe Balbi if (pdev->device == PCI_DEVICE_ID_INTEL_BYT) { 202a89d977cSHeikki Krogerus struct gpio_desc *gpio; 2031a7b12f6SAndy Shevchenko int ret; 204a89d977cSHeikki Krogerus 2057740d04dSHans de Goede /* On BYT the FW does not always enable the refclock */ 2067740d04dSHans de Goede ret = dwc3_byt_enable_ulpi_refclock(pdev); 2077740d04dSHans de Goede if (ret) 2087740d04dSHans de Goede return ret; 2097740d04dSHans de Goede 2104a56e413SAndy Shevchenko ret = devm_acpi_dev_add_driver_gpios(&pdev->dev, 211a89d977cSHeikki Krogerus acpi_dwc3_byt_gpios); 2124a56e413SAndy Shevchenko if (ret) 2134a56e413SAndy Shevchenko dev_dbg(&pdev->dev, "failed to add mapping table\n"); 214a89d977cSHeikki Krogerus 2152df033caSUwe Kleine-König /* 2165741022cSHans de Goede * A lot of BYT devices lack ACPI resource entries for 2175741022cSHans de Goede * the GPIOs, add a fallback mapping to the reference 2185741022cSHans de Goede * design GPIOs which all boards seem to use. 2195741022cSHans de Goede */ 2205741022cSHans de Goede gpiod_add_lookup_table(&platform_bytcr_gpios); 2215741022cSHans de Goede 2225741022cSHans de Goede /* 2232df033caSUwe Kleine-König * These GPIOs will turn on the USB2 PHY. Note that we have to 2242df033caSUwe Kleine-König * put the gpio descriptors again here because the phy driver 2252df033caSUwe Kleine-König * might want to grab them, too. 2262df033caSUwe Kleine-König */ 2273004cfd6SStephan Gerhold gpio = gpiod_get_optional(&pdev->dev, "cs", GPIOD_OUT_LOW); 2282df033caSUwe Kleine-König if (IS_ERR(gpio)) 2292df033caSUwe Kleine-König return PTR_ERR(gpio); 2302df033caSUwe Kleine-König 231a89d977cSHeikki Krogerus gpiod_set_value_cansleep(gpio, 1); 2323004cfd6SStephan Gerhold gpiod_put(gpio); 233a89d977cSHeikki Krogerus 2343004cfd6SStephan Gerhold gpio = gpiod_get_optional(&pdev->dev, "reset", GPIOD_OUT_LOW); 2352df033caSUwe Kleine-König if (IS_ERR(gpio)) 2362df033caSUwe Kleine-König return PTR_ERR(gpio); 2372df033caSUwe Kleine-König 2382df033caSUwe Kleine-König if (gpio) { 239a89d977cSHeikki Krogerus gpiod_set_value_cansleep(gpio, 1); 2403004cfd6SStephan Gerhold gpiod_put(gpio); 241a89d977cSHeikki Krogerus usleep_range(10000, 11000); 242a89d977cSHeikki Krogerus } 243582ab24eSHans de Goede 244582ab24eSHans de Goede /* 245*a5d847b0SHans de Goede * Make the pdev name predictable (only 1 DWC3 on BYT) 246*a5d847b0SHans de Goede * and patch the phy dev-name into the lookup table so 247*a5d847b0SHans de Goede * that the phy-driver can get the GPIOs. 248*a5d847b0SHans de Goede */ 249*a5d847b0SHans de Goede dwc->dwc3->id = PLATFORM_DEVID_NONE; 250*a5d847b0SHans de Goede platform_bytcr_gpios.dev_id = "dwc3.ulpi"; 251*a5d847b0SHans de Goede 252*a5d847b0SHans de Goede /* 253582ab24eSHans de Goede * Some Android tablets with a Crystal Cove PMIC 254582ab24eSHans de Goede * (INT33FD), rely on the TUSB1211 phy for charger 255582ab24eSHans de Goede * detection. These can be identified by them _not_ 256582ab24eSHans de Goede * using the standard ACPI battery and ac drivers. 257582ab24eSHans de Goede */ 258582ab24eSHans de Goede if (acpi_dev_present("INT33FD", "1", 2) && 259582ab24eSHans de Goede acpi_quirk_skip_acpi_ac_and_battery()) { 260582ab24eSHans de Goede dev_info(&pdev->dev, "Using TUSB1211 phy for charger detection\n"); 261582ab24eSHans de Goede swnode = &dwc3_pci_intel_phy_charger_detect_swnode; 262582ab24eSHans de Goede } 263a89d977cSHeikki Krogerus } 264e6fe66feSFelipe Balbi } 265a89d977cSHeikki Krogerus 266e285cb40SHans de Goede return device_add_software_node(&dwc->dwc3->dev, swnode); 2672cd9ddf7SHeikki Krogerus } 26872246da4SFelipe Balbi 2698eed00b2SManu Gautam #ifdef CONFIG_PM 2708eed00b2SManu Gautam static void dwc3_pci_resume_work(struct work_struct *work) 2718eed00b2SManu Gautam { 2728eed00b2SManu Gautam struct dwc3_pci *dwc = container_of(work, struct dwc3_pci, wakeup_work); 2738eed00b2SManu Gautam struct platform_device *dwc3 = dwc->dwc3; 2748eed00b2SManu Gautam int ret; 2758eed00b2SManu Gautam 2768eed00b2SManu Gautam ret = pm_runtime_get_sync(&dwc3->dev); 2772655971aSAditya Pakki if (ret) { 2782655971aSAditya Pakki pm_runtime_put_sync_autosuspend(&dwc3->dev); 2798eed00b2SManu Gautam return; 2802655971aSAditya Pakki } 2818eed00b2SManu Gautam 2828eed00b2SManu Gautam pm_runtime_mark_last_busy(&dwc3->dev); 2838eed00b2SManu Gautam pm_runtime_put_sync_autosuspend(&dwc3->dev); 2848eed00b2SManu Gautam } 2858eed00b2SManu Gautam #endif 2868eed00b2SManu Gautam 2871a7b12f6SAndy Shevchenko static int dwc3_pci_probe(struct pci_dev *pci, const struct pci_device_id *id) 28872246da4SFelipe Balbi { 2890f817ae6SFelipe Balbi struct dwc3_pci *dwc; 29072246da4SFelipe Balbi struct resource res[2]; 291b09e99eeSAndy Shevchenko int ret; 292802ca850SChanho Park struct device *dev = &pci->dev; 29372246da4SFelipe Balbi 294f1c7e710SAndy Shevchenko ret = pcim_enable_device(pci); 29572246da4SFelipe Balbi if (ret) { 296802ca850SChanho Park dev_err(dev, "failed to enable pci device\n"); 297802ca850SChanho Park return -ENODEV; 29872246da4SFelipe Balbi } 29972246da4SFelipe Balbi 30072246da4SFelipe Balbi pci_set_master(pci); 30172246da4SFelipe Balbi 3020f817ae6SFelipe Balbi dwc = devm_kzalloc(dev, sizeof(*dwc), GFP_KERNEL); 3030f817ae6SFelipe Balbi if (!dwc) 304f1c7e710SAndy Shevchenko return -ENOMEM; 3050f817ae6SFelipe Balbi 3060f817ae6SFelipe Balbi dwc->dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO); 3070f817ae6SFelipe Balbi if (!dwc->dwc3) 3080f817ae6SFelipe Balbi return -ENOMEM; 30972246da4SFelipe Balbi 31072246da4SFelipe Balbi memset(res, 0x00, sizeof(struct resource) * ARRAY_SIZE(res)); 31172246da4SFelipe Balbi 31272246da4SFelipe Balbi res[0].start = pci_resource_start(pci, 0); 31372246da4SFelipe Balbi res[0].end = pci_resource_end(pci, 0); 31472246da4SFelipe Balbi res[0].name = "dwc_usb3"; 31572246da4SFelipe Balbi res[0].flags = IORESOURCE_MEM; 31672246da4SFelipe Balbi 31772246da4SFelipe Balbi res[1].start = pci->irq; 31872246da4SFelipe Balbi res[1].name = "dwc_usb3"; 31972246da4SFelipe Balbi res[1].flags = IORESOURCE_IRQ; 32072246da4SFelipe Balbi 3210f817ae6SFelipe Balbi ret = platform_device_add_resources(dwc->dwc3, res, ARRAY_SIZE(res)); 32272246da4SFelipe Balbi if (ret) { 323802ca850SChanho Park dev_err(dev, "couldn't add resources to dwc3 device\n"); 324cabdf83dSThinh Nguyen goto err; 32572246da4SFelipe Balbi } 32672246da4SFelipe Balbi 3270f817ae6SFelipe Balbi dwc->pci = pci; 3280f817ae6SFelipe Balbi dwc->dwc3->dev.parent = dev; 3290f817ae6SFelipe Balbi ACPI_COMPANION_SET(&dwc->dwc3->dev, ACPI_COMPANION(dev)); 33072246da4SFelipe Balbi 331e285cb40SHans de Goede ret = dwc3_pci_quirks(dwc, (void *)id->driver_data); 332474799f0SHeikki Krogerus if (ret) 333474799f0SHeikki Krogerus goto err; 334474799f0SHeikki Krogerus 3350f817ae6SFelipe Balbi ret = platform_device_add(dwc->dwc3); 33672246da4SFelipe Balbi if (ret) { 337802ca850SChanho Park dev_err(dev, "failed to register dwc3 device\n"); 3382cd9ddf7SHeikki Krogerus goto err; 33972246da4SFelipe Balbi } 34072246da4SFelipe Balbi 341e9af9229SFelipe Balbi device_init_wakeup(dev, true); 3420f817ae6SFelipe Balbi pci_set_drvdata(pci, dwc); 343e9af9229SFelipe Balbi pm_runtime_put(dev); 3448eed00b2SManu Gautam #ifdef CONFIG_PM 3458eed00b2SManu Gautam INIT_WORK(&dwc->wakeup_work, dwc3_pci_resume_work); 3468eed00b2SManu Gautam #endif 347e9af9229SFelipe Balbi 34872246da4SFelipe Balbi return 0; 3492cd9ddf7SHeikki Krogerus err: 350e492ce9bSHeikki Krogerus device_remove_software_node(&dwc->dwc3->dev); 3510f817ae6SFelipe Balbi platform_device_put(dwc->dwc3); 35272246da4SFelipe Balbi return ret; 35372246da4SFelipe Balbi } 35472246da4SFelipe Balbi 355fb4e98abSBill Pemberton static void dwc3_pci_remove(struct pci_dev *pci) 35672246da4SFelipe Balbi { 3570f817ae6SFelipe Balbi struct dwc3_pci *dwc = pci_get_drvdata(pci); 3587b412b04SKuppuswamy Sathyanarayanan struct pci_dev *pdev = dwc->pci; 3590f817ae6SFelipe Balbi 3607b412b04SKuppuswamy Sathyanarayanan if (pdev->device == PCI_DEVICE_ID_INTEL_BYT) 3615741022cSHans de Goede gpiod_remove_lookup_table(&platform_bytcr_gpios); 3628eed00b2SManu Gautam #ifdef CONFIG_PM 3638eed00b2SManu Gautam cancel_work_sync(&dwc->wakeup_work); 3648eed00b2SManu Gautam #endif 365e9af9229SFelipe Balbi device_init_wakeup(&pci->dev, false); 366e9af9229SFelipe Balbi pm_runtime_get(&pci->dev); 367e492ce9bSHeikki Krogerus device_remove_software_node(&dwc->dwc3->dev); 3680f817ae6SFelipe Balbi platform_device_unregister(dwc->dwc3); 36972246da4SFelipe Balbi } 37072246da4SFelipe Balbi 371782df20cSJingoo Han static const struct pci_device_id dwc3_pci_id_table[] = { 3721a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BSW), 373e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3741a7b12f6SAndy Shevchenko 3751a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BYT), 376e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3771a7b12f6SAndy Shevchenko 3781a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_MRFLD), 379e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_mrfld_swnode, }, 3801a7b12f6SAndy Shevchenko 3813c3caae4SHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CMLLP), 382e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3833c3caae4SHeikki Krogerus 3847ae622c9SFelipe Balbi { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CMLH), 385e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3867ae622c9SFelipe Balbi 3871a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SPTLP), 388e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3891a7b12f6SAndy Shevchenko 3901a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SPTH), 391e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3921a7b12f6SAndy Shevchenko 3931a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BXT), 394e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3951a7b12f6SAndy Shevchenko 3961a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BXT_M), 397e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3981a7b12f6SAndy Shevchenko 3991a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_APL), 400e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 4011a7b12f6SAndy Shevchenko 4021a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_KBP), 403e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 4041a7b12f6SAndy Shevchenko 4051a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_GLK), 406e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 4071a7b12f6SAndy Shevchenko 4081a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPLP), 409e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 4101a7b12f6SAndy Shevchenko 4111a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPH), 412e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 4131a7b12f6SAndy Shevchenko 414f5ae8869SHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPV), 415e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 416f5ae8869SHeikki Krogerus 4171a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICLLP), 418e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 4191a7b12f6SAndy Shevchenko 420457d2285SRaymond Tan { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_EHL), 421457d2285SRaymond Tan (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 422dbb0569dSFelipe Balbi 423b3649deeSFelipe Balbi { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGPLP), 424e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 425b3649deeSFelipe Balbi 426c3f595a8SHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGPH), 427e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 428c3f595a8SHeikki Krogerus 429e25d1e85SHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_JSP), 430e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 431e25d1e85SHeikki Krogerus 432f08fc2c3SHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ADLP), 433f08fc2c3SHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 434f08fc2c3SHeikki Krogerus 435782de5e7SHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ADLM), 436782de5e7SHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 437782de5e7SHeikki Krogerus 4381384ab4fSHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ADLS), 439e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 4401384ab4fSHeikki Krogerus 44173203bdeSHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGL), 44273203bdeSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 44373203bdeSHeikki Krogerus 4441a7b12f6SAndy Shevchenko { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_NL_USB), 445e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_amd_swnode, }, 4461abade64SNehal Bakulchandra Shah 4471abade64SNehal Bakulchandra Shah { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_MR), 4481abade64SNehal Bakulchandra Shah (kernel_ulong_t)&dwc3_pci_amd_mr_swnode, }, 4491abade64SNehal Bakulchandra Shah 45072246da4SFelipe Balbi { } /* Terminating Entry */ 45172246da4SFelipe Balbi }; 45272246da4SFelipe Balbi MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table); 45372246da4SFelipe Balbi 45436daf3aaSFelipe Balbi #if defined(CONFIG_PM) || defined(CONFIG_PM_SLEEP) 45536daf3aaSFelipe Balbi static int dwc3_pci_dsm(struct dwc3_pci *dwc, int param) 45636daf3aaSFelipe Balbi { 45736daf3aaSFelipe Balbi union acpi_object *obj; 45836daf3aaSFelipe Balbi union acpi_object tmp; 45936daf3aaSFelipe Balbi union acpi_object argv4 = ACPI_INIT_DSM_ARGV4(1, &tmp); 46036daf3aaSFelipe Balbi 46136daf3aaSFelipe Balbi if (!dwc->has_dsm_for_pm) 46236daf3aaSFelipe Balbi return 0; 46336daf3aaSFelipe Balbi 46436daf3aaSFelipe Balbi tmp.type = ACPI_TYPE_INTEGER; 46536daf3aaSFelipe Balbi tmp.integer.value = param; 46636daf3aaSFelipe Balbi 46794116f81SAndy Shevchenko obj = acpi_evaluate_dsm(ACPI_HANDLE(&dwc->pci->dev), &dwc->guid, 46836daf3aaSFelipe Balbi 1, PCI_INTEL_BXT_FUNC_PMU_PWR, &argv4); 46936daf3aaSFelipe Balbi if (!obj) { 47036daf3aaSFelipe Balbi dev_err(&dwc->pci->dev, "failed to evaluate _DSM\n"); 47136daf3aaSFelipe Balbi return -EIO; 47236daf3aaSFelipe Balbi } 47336daf3aaSFelipe Balbi 47436daf3aaSFelipe Balbi ACPI_FREE(obj); 47536daf3aaSFelipe Balbi 47636daf3aaSFelipe Balbi return 0; 47736daf3aaSFelipe Balbi } 47836daf3aaSFelipe Balbi #endif /* CONFIG_PM || CONFIG_PM_SLEEP */ 47936daf3aaSFelipe Balbi 480e9af9229SFelipe Balbi #ifdef CONFIG_PM 481e9af9229SFelipe Balbi static int dwc3_pci_runtime_suspend(struct device *dev) 482e9af9229SFelipe Balbi { 4839cecca75SFelipe Balbi struct dwc3_pci *dwc = dev_get_drvdata(dev); 4849cecca75SFelipe Balbi 485de3ef1ebSRafael J. Wysocki if (device_can_wakeup(dev)) 4869cecca75SFelipe Balbi return dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D3); 487e9af9229SFelipe Balbi 488e9af9229SFelipe Balbi return -EBUSY; 489e9af9229SFelipe Balbi } 490e9af9229SFelipe Balbi 491f6c274e1SFelipe Balbi static int dwc3_pci_runtime_resume(struct device *dev) 492f6c274e1SFelipe Balbi { 4930f817ae6SFelipe Balbi struct dwc3_pci *dwc = dev_get_drvdata(dev); 4949cecca75SFelipe Balbi int ret; 4959cecca75SFelipe Balbi 4969cecca75SFelipe Balbi ret = dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D0); 4979cecca75SFelipe Balbi if (ret) 4989cecca75SFelipe Balbi return ret; 499f6c274e1SFelipe Balbi 5008eed00b2SManu Gautam queue_work(pm_wq, &dwc->wakeup_work); 5018eed00b2SManu Gautam 5028eed00b2SManu Gautam return 0; 503f6c274e1SFelipe Balbi } 504696118c0SFelipe Balbi #endif /* CONFIG_PM */ 505f6c274e1SFelipe Balbi 506696118c0SFelipe Balbi #ifdef CONFIG_PM_SLEEP 5079cecca75SFelipe Balbi static int dwc3_pci_suspend(struct device *dev) 508e9af9229SFelipe Balbi { 5099cecca75SFelipe Balbi struct dwc3_pci *dwc = dev_get_drvdata(dev); 5109cecca75SFelipe Balbi 5119cecca75SFelipe Balbi return dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D3); 5129cecca75SFelipe Balbi } 5139cecca75SFelipe Balbi 5149cecca75SFelipe Balbi static int dwc3_pci_resume(struct device *dev) 5159cecca75SFelipe Balbi { 5169cecca75SFelipe Balbi struct dwc3_pci *dwc = dev_get_drvdata(dev); 5179cecca75SFelipe Balbi 5189cecca75SFelipe Balbi return dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D0); 519e9af9229SFelipe Balbi } 520696118c0SFelipe Balbi #endif /* CONFIG_PM_SLEEP */ 521e9af9229SFelipe Balbi 52295aa932cSDoug Wilson static const struct dev_pm_ops dwc3_pci_dev_pm_ops = { 5239cecca75SFelipe Balbi SET_SYSTEM_SLEEP_PM_OPS(dwc3_pci_suspend, dwc3_pci_resume) 524f6c274e1SFelipe Balbi SET_RUNTIME_PM_OPS(dwc3_pci_runtime_suspend, dwc3_pci_runtime_resume, 525e9af9229SFelipe Balbi NULL) 526e9af9229SFelipe Balbi }; 527e9af9229SFelipe Balbi 52872246da4SFelipe Balbi static struct pci_driver dwc3_pci_driver = { 5290949e99bSFelipe Balbi .name = "dwc3-pci", 53072246da4SFelipe Balbi .id_table = dwc3_pci_id_table, 53172246da4SFelipe Balbi .probe = dwc3_pci_probe, 5327690417dSBill Pemberton .remove = dwc3_pci_remove, 533e9af9229SFelipe Balbi .driver = { 534e9af9229SFelipe Balbi .pm = &dwc3_pci_dev_pm_ops, 535e9af9229SFelipe Balbi } 53672246da4SFelipe Balbi }; 53772246da4SFelipe Balbi 53872246da4SFelipe Balbi MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>"); 5395945f789SFelipe Balbi MODULE_LICENSE("GPL v2"); 54072246da4SFelipe Balbi MODULE_DESCRIPTION("DesignWare USB3 PCI Glue Layer"); 54172246da4SFelipe Balbi 54295656336SGreg Kroah-Hartman module_pci_driver(dwc3_pci_driver); 543