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path: root/drivers/usb/dwc3/dwc3-pci.c
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Diffstat (limited to 'drivers/usb/dwc3/dwc3-pci.c')
-rw-r--r--drivers/usb/dwc3/dwc3-pci.c178
1 files changed, 32 insertions, 146 deletions
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index b642a2f998f9..8d950569d557 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -22,9 +22,6 @@
#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> */
@@ -36,66 +33,41 @@
#define PCI_DEVICE_ID_INTEL_SPTLP 0x9d30
#define PCI_DEVICE_ID_INTEL_SPTH 0xa130
-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)
+static int dwc3_pci_quirks(struct pci_dev *pdev)
{
- struct usb_phy_generic_platform_data pdata;
- struct platform_device *pdev;
- int ret;
+ if (pdev->vendor == PCI_VENDOR_ID_AMD &&
+ pdev->device == PCI_DEVICE_ID_AMD_NL_USB) {
+ struct dwc3_platform_data pdata;
- memset(&pdata, 0x00, sizeof(pdata));
+ memset(&pdata, 0, 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;
+ pdata.has_lpm_erratum = true;
+ pdata.lpm_nyet_threshold = 0xf;
- ret = platform_device_add_data(glue->usb2_phy, &pdata, sizeof(pdata));
- if (ret)
- goto err1;
+ pdata.u2exit_lfps_quirk = true;
+ pdata.u2ss_inp3_quirk = true;
+ pdata.req_p1p2p3_quirk = true;
+ pdata.del_p1p2p3_quirk = true;
+ pdata.del_phy_power_chg_quirk = true;
+ pdata.lfps_filter_quirk = true;
+ pdata.rx_detect_poll_quirk = true;
- pdev = platform_device_alloc("usb_phy_generic", 1);
- if (!pdev) {
- ret = -ENOMEM;
- goto err1;
- }
+ pdata.tx_de_emphasis_quirk = true;
+ pdata.tx_de_emphasis = 1;
- 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;
+ /*
+ * FIXME these quirks should be removed when AMD NL
+ * taps out
+ */
+ pdata.disable_scramble_quirk = true;
+ pdata.dis_u3_susphy_quirk = true;
+ pdata.dis_u2_susphy_quirk = true;
- ret = platform_device_add(glue->usb3_phy);
- if (ret)
- goto err3;
+ return platform_device_add_data(pci_get_drvdata(pdev), &pdata,
+ sizeof(pdata));
+ }
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,
@@ -103,18 +75,8 @@ static int dwc3_pci_probe(struct pci_dev *pci,
{
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) {
@@ -124,12 +86,6 @@ static int dwc3_pci_probe(struct pci_dev *pci,
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");
@@ -147,70 +103,34 @@ static int dwc3_pci_probe(struct pci_dev *pci,
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));
+ pci_set_drvdata(pci, dwc3);
+ ret = dwc3_pci_quirks(pci);
if (ret)
- goto err3;
-
- dma_set_coherent_mask(&dwc3->dev, dev->coherent_dma_mask);
+ goto err;
- 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;
+ goto err;
}
return 0;
-
-err3:
+err:
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);
+ platform_device_unregister(pci_get_drvdata(pci));
}
static const struct pci_device_id dwc3_pci_id_table[] = {
@@ -228,45 +148,11 @@ static const struct pci_device_id dwc3_pci_id_table[] = {
};
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>");
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-19 14:16:39 +0000