summaryrefslogtreecommitdiff
path: root/drivers/usb/dwc3/dwc3-pci.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/dwc3/dwc3-pci.c')
-rw-r--r--drivers/usb/dwc3/dwc3-pci.c272
1 files changed, 0 insertions, 272 deletions
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
deleted file mode 100644
index 7c4faf7387..0000000000
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ /dev/null
@@ -1,272 +0,0 @@
-/**
- * dwc3-pci.c - PCI Specific glue layer
- *
- * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com
- *
- * Authors: Felipe Balbi <balbi@ti.com>,
- * Sebastian Andrzej Siewior <bigeasy@linutronix.de>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 of
- * the License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/pci.h>
-#include <linux/platform_device.h>
-
-#include <linux/usb/otg.h>
-#include <linux/usb/usb_phy_generic.h>
-
-#include "platform_data.h"
-
-/* FIXME define these in <linux/pci_ids.h> */
-#define PCI_VENDOR_ID_SYNOPSYS 0x16c3
-#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 0xabcd
-#define PCI_DEVICE_ID_INTEL_BYT 0x0f37
-#define PCI_DEVICE_ID_INTEL_MRFLD 0x119e
-#define PCI_DEVICE_ID_INTEL_BSW 0x22B7
-
-struct dwc3_pci {
- struct device *dev;
- struct platform_device *dwc3;
- struct platform_device *usb2_phy;
- struct platform_device *usb3_phy;
-};
-
-static int dwc3_pci_register_phys(struct dwc3_pci *glue)
-{
- struct usb_phy_generic_platform_data pdata;
- struct platform_device *pdev;
- int ret;
-
- memset(&pdata, 0x00, sizeof(pdata));
-
- pdev = platform_device_alloc("usb_phy_generic", 0);
- if (!pdev)
- return -ENOMEM;
-
- glue->usb2_phy = pdev;
- pdata.type = USB_PHY_TYPE_USB2;
- pdata.gpio_reset = -1;
-
- ret = platform_device_add_data(glue->usb2_phy, &pdata, sizeof(pdata));
- if (ret)
- goto err1;
-
- pdev = platform_device_alloc("usb_phy_generic", 1);
- if (!pdev) {
- ret = -ENOMEM;
- goto err1;
- }
-
- glue->usb3_phy = pdev;
- pdata.type = USB_PHY_TYPE_USB3;
-
- ret = platform_device_add_data(glue->usb3_phy, &pdata, sizeof(pdata));
- if (ret)
- goto err2;
-
- ret = platform_device_add(glue->usb2_phy);
- if (ret)
- goto err2;
-
- ret = platform_device_add(glue->usb3_phy);
- if (ret)
- goto err3;
-
- return 0;
-
-err3:
- platform_device_del(glue->usb2_phy);
-
-err2:
- platform_device_put(glue->usb3_phy);
-
-err1:
- platform_device_put(glue->usb2_phy);
-
- return ret;
-}
-
-static int dwc3_pci_probe(struct pci_dev *pci,
- const struct pci_device_id *id)
-{
- struct resource res[2];
- struct platform_device *dwc3;
- struct dwc3_pci *glue;
- int ret;
- struct device *dev = &pci->dev;
- struct dwc3_platform_data dwc3_pdata;
-
- memset(&dwc3_pdata, 0x00, sizeof(dwc3_pdata));
-
- glue = devm_kzalloc(dev, sizeof(*glue), GFP_KERNEL);
- if (!glue)
- return -ENOMEM;
-
- glue->dev = dev;
-
- ret = pcim_enable_device(pci);
- if (ret) {
- dev_err(dev, "failed to enable pci device\n");
- return -ENODEV;
- }
-
- pci_set_master(pci);
-
- ret = dwc3_pci_register_phys(glue);
- if (ret) {
- dev_err(dev, "couldn't register PHYs\n");
- return ret;
- }
-
- dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO);
- if (!dwc3) {
- dev_err(dev, "couldn't allocate dwc3 device\n");
- return -ENOMEM;
- }
-
- memset(res, 0x00, sizeof(struct resource) * ARRAY_SIZE(res));
-
- res[0].start = pci_resource_start(pci, 0);
- res[0].end = pci_resource_end(pci, 0);
- res[0].name = "dwc_usb3";
- res[0].flags = IORESOURCE_MEM;
-
- res[1].start = pci->irq;
- res[1].name = "dwc_usb3";
- res[1].flags = IORESOURCE_IRQ;
-
- if (pci->vendor == PCI_VENDOR_ID_AMD &&
- pci->device == PCI_DEVICE_ID_AMD_NL_USB) {
- dwc3_pdata.has_lpm_erratum = true;
- dwc3_pdata.lpm_nyet_threshold = 0xf;
-
- dwc3_pdata.u2exit_lfps_quirk = true;
- dwc3_pdata.u2ss_inp3_quirk = true;
- dwc3_pdata.req_p1p2p3_quirk = true;
- dwc3_pdata.del_p1p2p3_quirk = true;
- dwc3_pdata.del_phy_power_chg_quirk = true;
- dwc3_pdata.lfps_filter_quirk = true;
- dwc3_pdata.rx_detect_poll_quirk = true;
-
- dwc3_pdata.tx_de_emphasis_quirk = true;
- dwc3_pdata.tx_de_emphasis = 1;
-
- /*
- * FIXME these quirks should be removed when AMD NL
- * taps out
- */
- dwc3_pdata.disable_scramble_quirk = true;
- dwc3_pdata.dis_u3_susphy_quirk = true;
- dwc3_pdata.dis_u2_susphy_quirk = true;
- }
-
- ret = platform_device_add_resources(dwc3, res, ARRAY_SIZE(res));
- if (ret) {
- dev_err(dev, "couldn't add resources to dwc3 device\n");
- return ret;
- }
-
- pci_set_drvdata(pci, glue);
-
- ret = platform_device_add_data(dwc3, &dwc3_pdata, sizeof(dwc3_pdata));
- if (ret)
- goto err3;
-
- dma_set_coherent_mask(&dwc3->dev, dev->coherent_dma_mask);
-
- dwc3->dev.dma_mask = dev->dma_mask;
- dwc3->dev.dma_parms = dev->dma_parms;
- dwc3->dev.parent = dev;
- glue->dwc3 = dwc3;
-
- ret = platform_device_add(dwc3);
- if (ret) {
- dev_err(dev, "failed to register dwc3 device\n");
- goto err3;
- }
-
- return 0;
-
-err3:
- platform_device_put(dwc3);
- return ret;
-}
-
-static void dwc3_pci_remove(struct pci_dev *pci)
-{
- struct dwc3_pci *glue = pci_get_drvdata(pci);
-
- platform_device_unregister(glue->dwc3);
- platform_device_unregister(glue->usb2_phy);
- platform_device_unregister(glue->usb3_phy);
-}
-
-static const struct pci_device_id dwc3_pci_id_table[] = {
- {
- PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
- PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3),
- },
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BSW), },
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT), },
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), },
- { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB), },
- { } /* Terminating Entry */
-};
-MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table);
-
-#ifdef CONFIG_PM_SLEEP
-static int dwc3_pci_suspend(struct device *dev)
-{
- struct pci_dev *pci = to_pci_dev(dev);
-
- pci_disable_device(pci);
-
- return 0;
-}
-
-static int dwc3_pci_resume(struct device *dev)
-{
- struct pci_dev *pci = to_pci_dev(dev);
- int ret;
-
- ret = pci_enable_device(pci);
- if (ret) {
- dev_err(dev, "can't re-enable device --> %d\n", ret);
- return ret;
- }
-
- pci_set_master(pci);
-
- return 0;
-}
-#endif /* CONFIG_PM_SLEEP */
-
-static const struct dev_pm_ops dwc3_pci_dev_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(dwc3_pci_suspend, dwc3_pci_resume)
-};
-
-static struct pci_driver dwc3_pci_driver = {
- .name = "dwc3-pci",
- .id_table = dwc3_pci_id_table,
- .probe = dwc3_pci_probe,
- .remove = dwc3_pci_remove,
- .driver = {
- .pm = &dwc3_pci_dev_pm_ops,
- },
-};
-
-MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>");
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("DesignWare USB3 PCI Glue Layer");
-
-module_pci_driver(dwc3_pci_driver);
generated by cgit (git 2.34.1) at 2025-01-15 08:36:41 +0000