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 4393440d1fSShruthi Sanil #define PCI_DEVICE_ID_INTEL_ADL 0x460e 44ff2d2beeSShruthi Sanil #define PCI_DEVICE_ID_INTEL_ADL_PCH 0x51ee 45ff2d2beeSShruthi Sanil #define PCI_DEVICE_ID_INTEL_ADLN 0x465e 46ff2d2beeSShruthi Sanil #define PCI_DEVICE_ID_INTEL_ADLN_PCH 0x54ee 471384ab4fSHeikki Krogerus #define PCI_DEVICE_ID_INTEL_ADLS 0x7ae1 48*f05f80f2SShruthi Sanil #define PCI_DEVICE_ID_INTEL_RPL 0xa70e 49038438a2SHeikki Krogerus #define PCI_DEVICE_ID_INTEL_RPLS 0x7a61 50973e0f7aSHeikki Krogerus #define PCI_DEVICE_ID_INTEL_MTLP 0x7ec1 51973e0f7aSHeikki Krogerus #define PCI_DEVICE_ID_INTEL_MTL 0x7e7e 5273203bdeSHeikki Krogerus #define PCI_DEVICE_ID_INTEL_TGL 0x9a15 531abade64SNehal Bakulchandra Shah #define PCI_DEVICE_ID_AMD_MR 0x163a 5472246da4SFelipe Balbi 5594116f81SAndy Shevchenko #define PCI_INTEL_BXT_DSM_GUID "732b85d5-b7a7-4a1b-9ba0-4bbd00ffd511" 569cecca75SFelipe Balbi #define PCI_INTEL_BXT_FUNC_PMU_PWR 4 579cecca75SFelipe Balbi #define PCI_INTEL_BXT_STATE_D0 0 589cecca75SFelipe Balbi #define PCI_INTEL_BXT_STATE_D3 3 599cecca75SFelipe Balbi 607740d04dSHans de Goede #define GP_RWBAR 1 617740d04dSHans de Goede #define GP_RWREG1 0xa0 627740d04dSHans de Goede #define GP_RWREG1_ULPI_REFCLK_DISABLE (1 << 17) 637740d04dSHans de Goede 640f817ae6SFelipe Balbi /** 650f817ae6SFelipe Balbi * struct dwc3_pci - Driver private structure 660f817ae6SFelipe Balbi * @dwc3: child dwc3 platform_device 670f817ae6SFelipe Balbi * @pci: our link to PCI bus 6894116f81SAndy Shevchenko * @guid: _DSM GUID 699cecca75SFelipe Balbi * @has_dsm_for_pm: true for devices which need to run _DSM on runtime PM 7087d852deSAndy Shevchenko * @wakeup_work: work for asynchronous resume 710f817ae6SFelipe Balbi */ 720f817ae6SFelipe Balbi struct dwc3_pci { 730f817ae6SFelipe Balbi struct platform_device *dwc3; 740f817ae6SFelipe Balbi struct pci_dev *pci; 759cecca75SFelipe Balbi 7694116f81SAndy Shevchenko guid_t guid; 779cecca75SFelipe Balbi 789cecca75SFelipe Balbi unsigned int has_dsm_for_pm:1; 798eed00b2SManu Gautam struct work_struct wakeup_work; 800f817ae6SFelipe Balbi }; 810f817ae6SFelipe Balbi 82a89d977cSHeikki Krogerus static const struct acpi_gpio_params reset_gpios = { 0, 0, false }; 83a89d977cSHeikki Krogerus static const struct acpi_gpio_params cs_gpios = { 1, 0, false }; 84a89d977cSHeikki Krogerus 85a89d977cSHeikki Krogerus static const struct acpi_gpio_mapping acpi_dwc3_byt_gpios[] = { 86a89d977cSHeikki Krogerus { "reset-gpios", &reset_gpios, 1 }, 87a89d977cSHeikki Krogerus { "cs-gpios", &cs_gpios, 1 }, 88a89d977cSHeikki Krogerus { }, 89a89d977cSHeikki Krogerus }; 90a89d977cSHeikki Krogerus 915741022cSHans de Goede static struct gpiod_lookup_table platform_bytcr_gpios = { 925741022cSHans de Goede .dev_id = "0000:00:16.0", 935741022cSHans de Goede .table = { 9462e3f0afSHans de Goede GPIO_LOOKUP("INT33FC:00", 54, "cs", GPIO_ACTIVE_HIGH), 9562e3f0afSHans de Goede GPIO_LOOKUP("INT33FC:02", 14, "reset", GPIO_ACTIVE_HIGH), 965741022cSHans de Goede {} 975741022cSHans de Goede }, 985741022cSHans de Goede }; 995741022cSHans de Goede 1007740d04dSHans de Goede static int dwc3_byt_enable_ulpi_refclock(struct pci_dev *pci) 1017740d04dSHans de Goede { 1027740d04dSHans de Goede void __iomem *reg; 1037740d04dSHans de Goede u32 value; 1047740d04dSHans de Goede 1057740d04dSHans de Goede reg = pcim_iomap(pci, GP_RWBAR, 0); 106b497fff6SWei Yongjun if (!reg) 107b497fff6SWei Yongjun return -ENOMEM; 1087740d04dSHans de Goede 1097740d04dSHans de Goede value = readl(reg + GP_RWREG1); 1107740d04dSHans de Goede if (!(value & GP_RWREG1_ULPI_REFCLK_DISABLE)) 1117740d04dSHans de Goede goto unmap; /* ULPI refclk already enabled */ 1127740d04dSHans de Goede 1137740d04dSHans de Goede value &= ~GP_RWREG1_ULPI_REFCLK_DISABLE; 1147740d04dSHans de Goede writel(value, reg + GP_RWREG1); 1157740d04dSHans de Goede /* This comes from the Intel Android x86 tree w/o any explanation */ 1167740d04dSHans de Goede msleep(100); 1177740d04dSHans de Goede unmap: 1187740d04dSHans de Goede pcim_iounmap(pci, reg); 1197740d04dSHans de Goede return 0; 1207740d04dSHans de Goede } 1217740d04dSHans de Goede 1221a7b12f6SAndy Shevchenko static const struct property_entry dwc3_pci_intel_properties[] = { 1231a7b12f6SAndy Shevchenko PROPERTY_ENTRY_STRING("dr_mode", "peripheral"), 1241a7b12f6SAndy Shevchenko PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), 1251a7b12f6SAndy Shevchenko {} 1261a7b12f6SAndy Shevchenko }; 1270f817ae6SFelipe Balbi 128582ab24eSHans de Goede static const struct property_entry dwc3_pci_intel_phy_charger_detect_properties[] = { 129582ab24eSHans de Goede PROPERTY_ENTRY_STRING("dr_mode", "peripheral"), 130582ab24eSHans de Goede PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"), 131582ab24eSHans de Goede PROPERTY_ENTRY_BOOL("linux,phy_charger_detect"), 1327ddda261SStephan Gerhold PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), 133ca9400efSGreg Kroah-Hartman {} 134ca9400efSGreg Kroah-Hartman }; 135ca9400efSGreg Kroah-Hartman 136d7c93a90SHans de Goede static const struct property_entry dwc3_pci_intel_byt_properties[] = { 137d7c93a90SHans de Goede PROPERTY_ENTRY_STRING("dr_mode", "peripheral"), 138d7c93a90SHans de Goede PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"), 139582ab24eSHans de Goede PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), 140582ab24eSHans de Goede {} 141582ab24eSHans de Goede }; 142582ab24eSHans de Goede 143c31d983bSAndy Shevchenko static const struct property_entry dwc3_pci_mrfld_properties[] = { 144c31d983bSAndy Shevchenko PROPERTY_ENTRY_STRING("dr_mode", "otg"), 145066c0959SAndy Shevchenko PROPERTY_ENTRY_STRING("linux,extcon-name", "mrfld_bcove_pwrsrc"), 146b522f830SAndy Shevchenko PROPERTY_ENTRY_BOOL("snps,dis_u3_susphy_quirk"), 147b522f830SAndy Shevchenko PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"), 14804357fafSFerry Toth PROPERTY_ENTRY_BOOL("snps,usb2-gadget-lpm-disable"), 149c31d983bSAndy Shevchenko PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), 150c31d983bSAndy Shevchenko {} 151c31d983bSAndy Shevchenko }; 152c31d983bSAndy Shevchenko 1531a7b12f6SAndy Shevchenko static const struct property_entry dwc3_pci_amd_properties[] = { 154cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,has-lpm-erratum"), 155cf48305dSHeikki Krogerus PROPERTY_ENTRY_U8("snps,lpm-nyet-threshold", 0xf), 156cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,u2exit_lfps_quirk"), 157cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,u2ss_inp3_quirk"), 158cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,req_p1p2p3_quirk"), 159cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,del_p1p2p3_quirk"), 160cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,del_phy_power_chg_quirk"), 161cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,lfps_filter_quirk"), 162cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,rx_detect_poll_quirk"), 163cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,tx_de_emphasis_quirk"), 164cf48305dSHeikki Krogerus PROPERTY_ENTRY_U8("snps,tx_de_emphasis", 1), 1651a7b12f6SAndy Shevchenko /* FIXME these quirks should be removed when AMD NL tapes out */ 166cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,disable_scramble_quirk"), 167cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,dis_u3_susphy_quirk"), 168cf48305dSHeikki Krogerus PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"), 1690eae2fdeSJohn Youn PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), 170e6fe66feSFelipe Balbi {} 171e6fe66feSFelipe Balbi }; 172e6fe66feSFelipe Balbi 1731abade64SNehal Bakulchandra Shah static const struct property_entry dwc3_pci_mr_properties[] = { 1741abade64SNehal Bakulchandra Shah PROPERTY_ENTRY_STRING("dr_mode", "otg"), 1751abade64SNehal Bakulchandra Shah PROPERTY_ENTRY_BOOL("usb-role-switch"), 1761abade64SNehal Bakulchandra Shah PROPERTY_ENTRY_STRING("role-switch-default-mode", "host"), 1771abade64SNehal Bakulchandra Shah PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"), 1781abade64SNehal Bakulchandra Shah {} 1791abade64SNehal Bakulchandra Shah }; 1801abade64SNehal Bakulchandra Shah 181e492ce9bSHeikki Krogerus static const struct software_node dwc3_pci_intel_swnode = { 182e492ce9bSHeikki Krogerus .properties = dwc3_pci_intel_properties, 183e492ce9bSHeikki Krogerus }; 184e492ce9bSHeikki Krogerus 185582ab24eSHans de Goede static const struct software_node dwc3_pci_intel_phy_charger_detect_swnode = { 186582ab24eSHans de Goede .properties = dwc3_pci_intel_phy_charger_detect_properties, 187582ab24eSHans de Goede }; 188582ab24eSHans de Goede 189d7c93a90SHans de Goede static const struct software_node dwc3_pci_intel_byt_swnode = { 190d7c93a90SHans de Goede .properties = dwc3_pci_intel_byt_properties, 191d7c93a90SHans de Goede }; 192d7c93a90SHans de Goede 193e492ce9bSHeikki Krogerus static const struct software_node dwc3_pci_intel_mrfld_swnode = { 194e492ce9bSHeikki Krogerus .properties = dwc3_pci_mrfld_properties, 195e492ce9bSHeikki Krogerus }; 196e492ce9bSHeikki Krogerus 197e492ce9bSHeikki Krogerus static const struct software_node dwc3_pci_amd_swnode = { 198e492ce9bSHeikki Krogerus .properties = dwc3_pci_amd_properties, 199e492ce9bSHeikki Krogerus }; 200e492ce9bSHeikki Krogerus 2011abade64SNehal Bakulchandra Shah static const struct software_node dwc3_pci_amd_mr_swnode = { 2021abade64SNehal Bakulchandra Shah .properties = dwc3_pci_mr_properties, 2031abade64SNehal Bakulchandra Shah }; 2041abade64SNehal Bakulchandra Shah 205e285cb40SHans de Goede static int dwc3_pci_quirks(struct dwc3_pci *dwc, 206e285cb40SHans de Goede const struct software_node *swnode) 2071a7b12f6SAndy Shevchenko { 2081a7b12f6SAndy Shevchenko struct pci_dev *pdev = dwc->pci; 209e6fe66feSFelipe Balbi 2101a7b12f6SAndy Shevchenko if (pdev->vendor == PCI_VENDOR_ID_INTEL) { 2119cecca75SFelipe Balbi if (pdev->device == PCI_DEVICE_ID_INTEL_BXT || 212a609ce2aSRaymond Tan pdev->device == PCI_DEVICE_ID_INTEL_BXT_M || 213457d2285SRaymond Tan pdev->device == PCI_DEVICE_ID_INTEL_EHL) { 21494116f81SAndy Shevchenko guid_parse(PCI_INTEL_BXT_DSM_GUID, &dwc->guid); 2159cecca75SFelipe Balbi dwc->has_dsm_for_pm = true; 2169cecca75SFelipe Balbi } 2179cecca75SFelipe Balbi 218e6fe66feSFelipe Balbi if (pdev->device == PCI_DEVICE_ID_INTEL_BYT) { 219a89d977cSHeikki Krogerus struct gpio_desc *gpio; 2201a7b12f6SAndy Shevchenko int ret; 221a89d977cSHeikki Krogerus 2227740d04dSHans de Goede /* On BYT the FW does not always enable the refclock */ 2237740d04dSHans de Goede ret = dwc3_byt_enable_ulpi_refclock(pdev); 2247740d04dSHans de Goede if (ret) 2257740d04dSHans de Goede return ret; 2267740d04dSHans de Goede 2274a56e413SAndy Shevchenko ret = devm_acpi_dev_add_driver_gpios(&pdev->dev, 228a89d977cSHeikki Krogerus acpi_dwc3_byt_gpios); 2294a56e413SAndy Shevchenko if (ret) 2304a56e413SAndy Shevchenko dev_dbg(&pdev->dev, "failed to add mapping table\n"); 231a89d977cSHeikki Krogerus 2322df033caSUwe Kleine-König /* 2335741022cSHans de Goede * A lot of BYT devices lack ACPI resource entries for 2345741022cSHans de Goede * the GPIOs, add a fallback mapping to the reference 2355741022cSHans de Goede * design GPIOs which all boards seem to use. 2365741022cSHans de Goede */ 2375741022cSHans de Goede gpiod_add_lookup_table(&platform_bytcr_gpios); 2385741022cSHans de Goede 2395741022cSHans de Goede /* 2402df033caSUwe Kleine-König * These GPIOs will turn on the USB2 PHY. Note that we have to 2412df033caSUwe Kleine-König * put the gpio descriptors again here because the phy driver 2422df033caSUwe Kleine-König * might want to grab them, too. 2432df033caSUwe Kleine-König */ 2443004cfd6SStephan Gerhold gpio = gpiod_get_optional(&pdev->dev, "cs", GPIOD_OUT_LOW); 2452df033caSUwe Kleine-König if (IS_ERR(gpio)) 2462df033caSUwe Kleine-König return PTR_ERR(gpio); 2472df033caSUwe Kleine-König 248a89d977cSHeikki Krogerus gpiod_set_value_cansleep(gpio, 1); 2493004cfd6SStephan Gerhold gpiod_put(gpio); 250a89d977cSHeikki Krogerus 2513004cfd6SStephan Gerhold gpio = gpiod_get_optional(&pdev->dev, "reset", GPIOD_OUT_LOW); 2522df033caSUwe Kleine-König if (IS_ERR(gpio)) 2532df033caSUwe Kleine-König return PTR_ERR(gpio); 2542df033caSUwe Kleine-König 2552df033caSUwe Kleine-König if (gpio) { 256a89d977cSHeikki Krogerus gpiod_set_value_cansleep(gpio, 1); 2573004cfd6SStephan Gerhold gpiod_put(gpio); 258a89d977cSHeikki Krogerus usleep_range(10000, 11000); 259a89d977cSHeikki Krogerus } 260582ab24eSHans de Goede 261582ab24eSHans de Goede /* 262a5d847b0SHans de Goede * Make the pdev name predictable (only 1 DWC3 on BYT) 263a5d847b0SHans de Goede * and patch the phy dev-name into the lookup table so 264a5d847b0SHans de Goede * that the phy-driver can get the GPIOs. 265a5d847b0SHans de Goede */ 266a5d847b0SHans de Goede dwc->dwc3->id = PLATFORM_DEVID_NONE; 267a5d847b0SHans de Goede platform_bytcr_gpios.dev_id = "dwc3.ulpi"; 268a5d847b0SHans de Goede 269a5d847b0SHans de Goede /* 270582ab24eSHans de Goede * Some Android tablets with a Crystal Cove PMIC 271582ab24eSHans de Goede * (INT33FD), rely on the TUSB1211 phy for charger 272582ab24eSHans de Goede * detection. These can be identified by them _not_ 273582ab24eSHans de Goede * using the standard ACPI battery and ac drivers. 274582ab24eSHans de Goede */ 275582ab24eSHans de Goede if (acpi_dev_present("INT33FD", "1", 2) && 276582ab24eSHans de Goede acpi_quirk_skip_acpi_ac_and_battery()) { 277582ab24eSHans de Goede dev_info(&pdev->dev, "Using TUSB1211 phy for charger detection\n"); 278582ab24eSHans de Goede swnode = &dwc3_pci_intel_phy_charger_detect_swnode; 279582ab24eSHans de Goede } 280a89d977cSHeikki Krogerus } 281e6fe66feSFelipe Balbi } 282a89d977cSHeikki Krogerus 283e285cb40SHans de Goede return device_add_software_node(&dwc->dwc3->dev, swnode); 2842cd9ddf7SHeikki Krogerus } 28572246da4SFelipe Balbi 2868eed00b2SManu Gautam #ifdef CONFIG_PM 2878eed00b2SManu Gautam static void dwc3_pci_resume_work(struct work_struct *work) 2888eed00b2SManu Gautam { 2898eed00b2SManu Gautam struct dwc3_pci *dwc = container_of(work, struct dwc3_pci, wakeup_work); 2908eed00b2SManu Gautam struct platform_device *dwc3 = dwc->dwc3; 2918eed00b2SManu Gautam int ret; 2928eed00b2SManu Gautam 2938eed00b2SManu Gautam ret = pm_runtime_get_sync(&dwc3->dev); 294a03e2ddaSZheng Yongjun if (ret < 0) { 2952655971aSAditya Pakki pm_runtime_put_sync_autosuspend(&dwc3->dev); 2968eed00b2SManu Gautam return; 2972655971aSAditya Pakki } 2988eed00b2SManu Gautam 2998eed00b2SManu Gautam pm_runtime_mark_last_busy(&dwc3->dev); 3008eed00b2SManu Gautam pm_runtime_put_sync_autosuspend(&dwc3->dev); 3018eed00b2SManu Gautam } 3028eed00b2SManu Gautam #endif 3038eed00b2SManu Gautam 3041a7b12f6SAndy Shevchenko static int dwc3_pci_probe(struct pci_dev *pci, const struct pci_device_id *id) 30572246da4SFelipe Balbi { 3060f817ae6SFelipe Balbi struct dwc3_pci *dwc; 30772246da4SFelipe Balbi struct resource res[2]; 308b09e99eeSAndy Shevchenko int ret; 309802ca850SChanho Park struct device *dev = &pci->dev; 31072246da4SFelipe Balbi 311f1c7e710SAndy Shevchenko ret = pcim_enable_device(pci); 31272246da4SFelipe Balbi if (ret) { 313802ca850SChanho Park dev_err(dev, "failed to enable pci device\n"); 314802ca850SChanho Park return -ENODEV; 31572246da4SFelipe Balbi } 31672246da4SFelipe Balbi 31772246da4SFelipe Balbi pci_set_master(pci); 31872246da4SFelipe Balbi 3190f817ae6SFelipe Balbi dwc = devm_kzalloc(dev, sizeof(*dwc), GFP_KERNEL); 3200f817ae6SFelipe Balbi if (!dwc) 321f1c7e710SAndy Shevchenko return -ENOMEM; 3220f817ae6SFelipe Balbi 3230f817ae6SFelipe Balbi dwc->dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO); 3240f817ae6SFelipe Balbi if (!dwc->dwc3) 3250f817ae6SFelipe Balbi return -ENOMEM; 32672246da4SFelipe Balbi 32772246da4SFelipe Balbi memset(res, 0x00, sizeof(struct resource) * ARRAY_SIZE(res)); 32872246da4SFelipe Balbi 32972246da4SFelipe Balbi res[0].start = pci_resource_start(pci, 0); 33072246da4SFelipe Balbi res[0].end = pci_resource_end(pci, 0); 33172246da4SFelipe Balbi res[0].name = "dwc_usb3"; 33272246da4SFelipe Balbi res[0].flags = IORESOURCE_MEM; 33372246da4SFelipe Balbi 33472246da4SFelipe Balbi res[1].start = pci->irq; 33572246da4SFelipe Balbi res[1].name = "dwc_usb3"; 33672246da4SFelipe Balbi res[1].flags = IORESOURCE_IRQ; 33772246da4SFelipe Balbi 3380f817ae6SFelipe Balbi ret = platform_device_add_resources(dwc->dwc3, res, ARRAY_SIZE(res)); 33972246da4SFelipe Balbi if (ret) { 340802ca850SChanho Park dev_err(dev, "couldn't add resources to dwc3 device\n"); 341cabdf83dSThinh Nguyen goto err; 34272246da4SFelipe Balbi } 34372246da4SFelipe Balbi 3440f817ae6SFelipe Balbi dwc->pci = pci; 3450f817ae6SFelipe Balbi dwc->dwc3->dev.parent = dev; 3460f817ae6SFelipe Balbi ACPI_COMPANION_SET(&dwc->dwc3->dev, ACPI_COMPANION(dev)); 34772246da4SFelipe Balbi 348e285cb40SHans de Goede ret = dwc3_pci_quirks(dwc, (void *)id->driver_data); 349474799f0SHeikki Krogerus if (ret) 350474799f0SHeikki Krogerus goto err; 351474799f0SHeikki Krogerus 3520f817ae6SFelipe Balbi ret = platform_device_add(dwc->dwc3); 35372246da4SFelipe Balbi if (ret) { 354802ca850SChanho Park dev_err(dev, "failed to register dwc3 device\n"); 3552cd9ddf7SHeikki Krogerus goto err; 35672246da4SFelipe Balbi } 35772246da4SFelipe Balbi 358e9af9229SFelipe Balbi device_init_wakeup(dev, true); 3590f817ae6SFelipe Balbi pci_set_drvdata(pci, dwc); 360e9af9229SFelipe Balbi pm_runtime_put(dev); 3618eed00b2SManu Gautam #ifdef CONFIG_PM 3628eed00b2SManu Gautam INIT_WORK(&dwc->wakeup_work, dwc3_pci_resume_work); 3638eed00b2SManu Gautam #endif 364e9af9229SFelipe Balbi 36572246da4SFelipe Balbi return 0; 3662cd9ddf7SHeikki Krogerus err: 367e492ce9bSHeikki Krogerus device_remove_software_node(&dwc->dwc3->dev); 3680f817ae6SFelipe Balbi platform_device_put(dwc->dwc3); 36972246da4SFelipe Balbi return ret; 37072246da4SFelipe Balbi } 37172246da4SFelipe Balbi 372fb4e98abSBill Pemberton static void dwc3_pci_remove(struct pci_dev *pci) 37372246da4SFelipe Balbi { 3740f817ae6SFelipe Balbi struct dwc3_pci *dwc = pci_get_drvdata(pci); 3757b412b04SKuppuswamy Sathyanarayanan struct pci_dev *pdev = dwc->pci; 3760f817ae6SFelipe Balbi 3777b412b04SKuppuswamy Sathyanarayanan if (pdev->device == PCI_DEVICE_ID_INTEL_BYT) 3785741022cSHans de Goede gpiod_remove_lookup_table(&platform_bytcr_gpios); 3798eed00b2SManu Gautam #ifdef CONFIG_PM 3808eed00b2SManu Gautam cancel_work_sync(&dwc->wakeup_work); 3818eed00b2SManu Gautam #endif 382e9af9229SFelipe Balbi device_init_wakeup(&pci->dev, false); 383e9af9229SFelipe Balbi pm_runtime_get(&pci->dev); 384e492ce9bSHeikki Krogerus device_remove_software_node(&dwc->dwc3->dev); 3850f817ae6SFelipe Balbi platform_device_unregister(dwc->dwc3); 38672246da4SFelipe Balbi } 38772246da4SFelipe Balbi 388782df20cSJingoo Han static const struct pci_device_id dwc3_pci_id_table[] = { 3891a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BSW), 390e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 3911a7b12f6SAndy Shevchenko 3921a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BYT), 393d7c93a90SHans de Goede (kernel_ulong_t) &dwc3_pci_intel_byt_swnode, }, 3941a7b12f6SAndy Shevchenko 3951a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_MRFLD), 396e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_mrfld_swnode, }, 3971a7b12f6SAndy Shevchenko 3983c3caae4SHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CMLLP), 399e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 4003c3caae4SHeikki Krogerus 4017ae622c9SFelipe Balbi { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CMLH), 402e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 4037ae622c9SFelipe Balbi 4041a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SPTLP), 405e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 4061a7b12f6SAndy Shevchenko 4071a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SPTH), 408e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 4091a7b12f6SAndy Shevchenko 4101a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BXT), 411e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 4121a7b12f6SAndy Shevchenko 4131a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BXT_M), 414e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 4151a7b12f6SAndy Shevchenko 4161a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_APL), 417e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 4181a7b12f6SAndy Shevchenko 4191a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_KBP), 420e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 4211a7b12f6SAndy Shevchenko 4221a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_GLK), 423e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 4241a7b12f6SAndy Shevchenko 4251a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPLP), 426e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 4271a7b12f6SAndy Shevchenko 4281a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPH), 429e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 4301a7b12f6SAndy Shevchenko 431f5ae8869SHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPV), 432e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 433f5ae8869SHeikki Krogerus 4341a7b12f6SAndy Shevchenko { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICLLP), 435e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 4361a7b12f6SAndy Shevchenko 437457d2285SRaymond Tan { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_EHL), 438457d2285SRaymond Tan (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 439dbb0569dSFelipe Balbi 440b3649deeSFelipe Balbi { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGPLP), 441e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 442b3649deeSFelipe Balbi 443c3f595a8SHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGPH), 444e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 445c3f595a8SHeikki Krogerus 446e25d1e85SHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_JSP), 447e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 448e25d1e85SHeikki Krogerus 44993440d1fSShruthi Sanil { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ADL), 45093440d1fSShruthi Sanil (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 45193440d1fSShruthi Sanil 452ff2d2beeSShruthi Sanil { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ADL_PCH), 453ecb0a2f1SShruthi Sanil (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 454ecb0a2f1SShruthi Sanil 455ff2d2beeSShruthi Sanil { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ADLN), 456f08fc2c3SHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 457f08fc2c3SHeikki Krogerus 458ff2d2beeSShruthi Sanil { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ADLN_PCH), 459782de5e7SHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 460782de5e7SHeikki Krogerus 4611384ab4fSHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ADLS), 462e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 4631384ab4fSHeikki Krogerus 464bad0d1d7SHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_RPL), 465bad0d1d7SHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 466bad0d1d7SHeikki Krogerus 467038438a2SHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_RPLS), 468038438a2SHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 469038438a2SHeikki Krogerus 470973e0f7aSHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_MTLP), 471973e0f7aSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 472973e0f7aSHeikki Krogerus 473973e0f7aSHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_MTL), 474973e0f7aSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 475973e0f7aSHeikki Krogerus 47673203bdeSHeikki Krogerus { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGL), 47773203bdeSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_intel_swnode, }, 47873203bdeSHeikki Krogerus 4791a7b12f6SAndy Shevchenko { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_NL_USB), 480e492ce9bSHeikki Krogerus (kernel_ulong_t) &dwc3_pci_amd_swnode, }, 4811abade64SNehal Bakulchandra Shah 4821abade64SNehal Bakulchandra Shah { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_MR), 4831abade64SNehal Bakulchandra Shah (kernel_ulong_t)&dwc3_pci_amd_mr_swnode, }, 4841abade64SNehal Bakulchandra Shah 48572246da4SFelipe Balbi { } /* Terminating Entry */ 48672246da4SFelipe Balbi }; 48772246da4SFelipe Balbi MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table); 48872246da4SFelipe Balbi 48936daf3aaSFelipe Balbi #if defined(CONFIG_PM) || defined(CONFIG_PM_SLEEP) 49036daf3aaSFelipe Balbi static int dwc3_pci_dsm(struct dwc3_pci *dwc, int param) 49136daf3aaSFelipe Balbi { 49236daf3aaSFelipe Balbi union acpi_object *obj; 49336daf3aaSFelipe Balbi union acpi_object tmp; 49436daf3aaSFelipe Balbi union acpi_object argv4 = ACPI_INIT_DSM_ARGV4(1, &tmp); 49536daf3aaSFelipe Balbi 49636daf3aaSFelipe Balbi if (!dwc->has_dsm_for_pm) 49736daf3aaSFelipe Balbi return 0; 49836daf3aaSFelipe Balbi 49936daf3aaSFelipe Balbi tmp.type = ACPI_TYPE_INTEGER; 50036daf3aaSFelipe Balbi tmp.integer.value = param; 50136daf3aaSFelipe Balbi 50294116f81SAndy Shevchenko obj = acpi_evaluate_dsm(ACPI_HANDLE(&dwc->pci->dev), &dwc->guid, 50336daf3aaSFelipe Balbi 1, PCI_INTEL_BXT_FUNC_PMU_PWR, &argv4); 50436daf3aaSFelipe Balbi if (!obj) { 50536daf3aaSFelipe Balbi dev_err(&dwc->pci->dev, "failed to evaluate _DSM\n"); 50636daf3aaSFelipe Balbi return -EIO; 50736daf3aaSFelipe Balbi } 50836daf3aaSFelipe Balbi 50936daf3aaSFelipe Balbi ACPI_FREE(obj); 51036daf3aaSFelipe Balbi 51136daf3aaSFelipe Balbi return 0; 51236daf3aaSFelipe Balbi } 51336daf3aaSFelipe Balbi #endif /* CONFIG_PM || CONFIG_PM_SLEEP */ 51436daf3aaSFelipe Balbi 515e9af9229SFelipe Balbi #ifdef CONFIG_PM 516e9af9229SFelipe Balbi static int dwc3_pci_runtime_suspend(struct device *dev) 517e9af9229SFelipe Balbi { 5189cecca75SFelipe Balbi struct dwc3_pci *dwc = dev_get_drvdata(dev); 5199cecca75SFelipe Balbi 520de3ef1ebSRafael J. Wysocki if (device_can_wakeup(dev)) 5219cecca75SFelipe Balbi return dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D3); 522e9af9229SFelipe Balbi 523e9af9229SFelipe Balbi return -EBUSY; 524e9af9229SFelipe Balbi } 525e9af9229SFelipe Balbi 526f6c274e1SFelipe Balbi static int dwc3_pci_runtime_resume(struct device *dev) 527f6c274e1SFelipe Balbi { 5280f817ae6SFelipe Balbi struct dwc3_pci *dwc = dev_get_drvdata(dev); 5299cecca75SFelipe Balbi int ret; 5309cecca75SFelipe Balbi 5319cecca75SFelipe Balbi ret = dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D0); 5329cecca75SFelipe Balbi if (ret) 5339cecca75SFelipe Balbi return ret; 534f6c274e1SFelipe Balbi 5358eed00b2SManu Gautam queue_work(pm_wq, &dwc->wakeup_work); 5368eed00b2SManu Gautam 5378eed00b2SManu Gautam return 0; 538f6c274e1SFelipe Balbi } 539696118c0SFelipe Balbi #endif /* CONFIG_PM */ 540f6c274e1SFelipe Balbi 541696118c0SFelipe Balbi #ifdef CONFIG_PM_SLEEP 5429cecca75SFelipe Balbi static int dwc3_pci_suspend(struct device *dev) 543e9af9229SFelipe Balbi { 5449cecca75SFelipe Balbi struct dwc3_pci *dwc = dev_get_drvdata(dev); 5459cecca75SFelipe Balbi 5469cecca75SFelipe Balbi return dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D3); 5479cecca75SFelipe Balbi } 5489cecca75SFelipe Balbi 5499cecca75SFelipe Balbi static int dwc3_pci_resume(struct device *dev) 5509cecca75SFelipe Balbi { 5519cecca75SFelipe Balbi struct dwc3_pci *dwc = dev_get_drvdata(dev); 5529cecca75SFelipe Balbi 5539cecca75SFelipe Balbi return dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D0); 554e9af9229SFelipe Balbi } 555696118c0SFelipe Balbi #endif /* CONFIG_PM_SLEEP */ 556e9af9229SFelipe Balbi 55795aa932cSDoug Wilson static const struct dev_pm_ops dwc3_pci_dev_pm_ops = { 5589cecca75SFelipe Balbi SET_SYSTEM_SLEEP_PM_OPS(dwc3_pci_suspend, dwc3_pci_resume) 559f6c274e1SFelipe Balbi SET_RUNTIME_PM_OPS(dwc3_pci_runtime_suspend, dwc3_pci_runtime_resume, 560e9af9229SFelipe Balbi NULL) 561e9af9229SFelipe Balbi }; 562e9af9229SFelipe Balbi 56372246da4SFelipe Balbi static struct pci_driver dwc3_pci_driver = { 5640949e99bSFelipe Balbi .name = "dwc3-pci", 56572246da4SFelipe Balbi .id_table = dwc3_pci_id_table, 56672246da4SFelipe Balbi .probe = dwc3_pci_probe, 5677690417dSBill Pemberton .remove = dwc3_pci_remove, 568e9af9229SFelipe Balbi .driver = { 569e9af9229SFelipe Balbi .pm = &dwc3_pci_dev_pm_ops, 570e9af9229SFelipe Balbi } 57172246da4SFelipe Balbi }; 57272246da4SFelipe Balbi 57372246da4SFelipe Balbi MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>"); 5745945f789SFelipe Balbi MODULE_LICENSE("GPL v2"); 57572246da4SFelipe Balbi MODULE_DESCRIPTION("DesignWare USB3 PCI Glue Layer"); 57672246da4SFelipe Balbi 57795656336SGreg Kroah-Hartman module_pci_driver(dwc3_pci_driver); 578