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path: root/drivers/usb/dwc2/pci.c
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Diffstat (limited to 'drivers/usb/dwc2/pci.c')
-rw-r--r--drivers/usb/dwc2/pci.c160
1 files changed, 72 insertions, 88 deletions
diff --git a/drivers/usb/dwc2/pci.c b/drivers/usb/dwc2/pci.c
index a4e724b0a62e..ae419615a176 100644
--- a/drivers/usb/dwc2/pci.c
+++ b/drivers/usb/dwc2/pci.c
@@ -50,113 +50,97 @@
#include <linux/usb/hcd.h>
#include <linux/usb/ch11.h>
+#include <linux/platform_device.h>
+#include <linux/usb/usb_phy_generic.h>
-#include "core.h"
-#include "hcd.h"
-
-#define PCI_VENDOR_ID_SYNOPSYS 0x16c3
#define PCI_PRODUCT_ID_HAPS_HSOTG 0xabc0
-static const char dwc2_driver_name[] = "dwc2";
-
-static const struct dwc2_core_params dwc2_module_params = {
- .otg_cap = -1,
- .otg_ver = -1,
- .dma_enable = -1,
- .dma_desc_enable = 0,
- .speed = -1,
- .enable_dynamic_fifo = -1,
- .en_multiple_tx_fifo = -1,
- .host_rx_fifo_size = 1024,
- .host_nperio_tx_fifo_size = 256,
- .host_perio_tx_fifo_size = 1024,
- .max_transfer_size = 65535,
- .max_packet_count = 511,
- .host_channels = -1,
- .phy_type = -1,
- .phy_utmi_width = -1,
- .phy_ulpi_ddr = -1,
- .phy_ulpi_ext_vbus = -1,
- .i2c_enable = -1,
- .ulpi_fs_ls = -1,
- .host_support_fs_ls_low_power = -1,
- .host_ls_low_power_phy_clk = -1,
- .ts_dline = -1,
- .reload_ctl = -1,
- .ahbcfg = -1,
- .uframe_sched = -1,
+static const char dwc2_driver_name[] = "dwc2-pci";
+
+struct dwc2_pci_glue {
+ struct platform_device *dwc2;
+ struct platform_device *phy;
};
-/**
- * dwc2_driver_remove() - Called when the DWC_otg core is unregistered with the
- * DWC_otg driver
- *
- * @dev: Bus device
- *
- * This routine is called, for example, when the rmmod command is executed. The
- * device may or may not be electrically present. If it is present, the driver
- * stops device processing. Any resources used on behalf of this device are
- * freed.
- */
-static void dwc2_driver_remove(struct pci_dev *dev)
+static void dwc2_pci_remove(struct pci_dev *pci)
{
- struct dwc2_hsotg *hsotg = pci_get_drvdata(dev);
+ struct dwc2_pci_glue *glue = pci_get_drvdata(pci);
- dwc2_hcd_remove(hsotg);
- pci_disable_device(dev);
+ platform_device_unregister(glue->dwc2);
+ usb_phy_generic_unregister(glue->phy);
+ kfree(glue);
+ pci_set_drvdata(pci, NULL);
}
-/**
- * dwc2_driver_probe() - Called when the DWC_otg core is bound to the DWC_otg
- * driver
- *
- * @dev: Bus device
- *
- * This routine creates the driver components required to control the device
- * (core, HCD, and PCD) and initializes the device. The driver components are
- * stored in a dwc2_hsotg structure. A reference to the dwc2_hsotg is saved
- * in the device private data. This allows the driver to access the dwc2_hsotg
- * structure on subsequent calls to driver methods for this device.
- */
-static int dwc2_driver_probe(struct pci_dev *dev,
- const struct pci_device_id *id)
+static int dwc2_pci_probe(struct pci_dev *pci,
+ const struct pci_device_id *id)
{
- struct dwc2_hsotg *hsotg;
- int retval;
+ struct resource res[2];
+ struct platform_device *dwc2;
+ struct platform_device *phy;
+ int ret;
+ struct device *dev = &pci->dev;
+ struct dwc2_pci_glue *glue;
+
+ ret = pcim_enable_device(pci);
+ if (ret) {
+ dev_err(dev, "failed to enable pci device\n");
+ return -ENODEV;
+ }
+
+ pci_set_master(pci);
- hsotg = devm_kzalloc(&dev->dev, sizeof(*hsotg), GFP_KERNEL);
- if (!hsotg)
+ dwc2 = platform_device_alloc("dwc2", PLATFORM_DEVID_AUTO);
+ if (!dwc2) {
+ dev_err(dev, "couldn't allocate dwc2 device\n");
return -ENOMEM;
+ }
- hsotg->dev = &dev->dev;
- hsotg->regs = devm_ioremap_resource(&dev->dev, &dev->resource[0]);
- if (IS_ERR(hsotg->regs))
- return PTR_ERR(hsotg->regs);
+ memset(res, 0x00, sizeof(struct resource) * ARRAY_SIZE(res));
- dev_dbg(&dev->dev, "mapped PA %08lx to VA %p\n",
- (unsigned long)pci_resource_start(dev, 0), hsotg->regs);
+ res[0].start = pci_resource_start(pci, 0);
+ res[0].end = pci_resource_end(pci, 0);
+ res[0].name = "dwc2";
+ res[0].flags = IORESOURCE_MEM;
- if (pci_enable_device(dev) < 0)
- return -ENODEV;
+ res[1].start = pci->irq;
+ res[1].name = "dwc2";
+ res[1].flags = IORESOURCE_IRQ;
- pci_set_master(dev);
+ ret = platform_device_add_resources(dwc2, res, ARRAY_SIZE(res));
+ if (ret) {
+ dev_err(dev, "couldn't add resources to dwc2 device\n");
+ return ret;
+ }
- retval = devm_request_irq(hsotg->dev, dev->irq,
- dwc2_handle_common_intr, IRQF_SHARED,
- dev_name(hsotg->dev), hsotg);
- if (retval)
- return retval;
+ dwc2->dev.parent = dev;
- spin_lock_init(&hsotg->lock);
- retval = dwc2_hcd_init(hsotg, dev->irq, &dwc2_module_params);
- if (retval) {
- pci_disable_device(dev);
- return retval;
+ phy = usb_phy_generic_register();
+ if (IS_ERR(phy)) {
+ dev_err(dev, "error registering generic PHY (%ld)\n",
+ PTR_ERR(phy));
+ return PTR_ERR(phy);
}
- pci_set_drvdata(dev, hsotg);
+ ret = platform_device_add(dwc2);
+ if (ret) {
+ dev_err(dev, "failed to register dwc2 device\n");
+ goto err;
+ }
+
+ glue = kzalloc(sizeof(*glue), GFP_KERNEL);
+ if (!glue)
+ return -ENOMEM;
+
+ glue->phy = phy;
+ glue->dwc2 = dwc2;
+ pci_set_drvdata(pci, glue);
- return retval;
+ return 0;
+err:
+ usb_phy_generic_unregister(phy);
+ platform_device_put(dwc2);
+ return ret;
}
static const struct pci_device_id dwc2_pci_ids[] = {
@@ -174,8 +158,8 @@ MODULE_DEVICE_TABLE(pci, dwc2_pci_ids);
static struct pci_driver dwc2_pci_driver = {
.name = dwc2_driver_name,
.id_table = dwc2_pci_ids,
- .probe = dwc2_driver_probe,
- .remove = dwc2_driver_remove,
+ .probe = dwc2_pci_probe,
+ .remove = dwc2_pci_remove,
};
module_pci_driver(dwc2_pci_driver);