diff options
Diffstat (limited to 'drivers/usb/gadget/ci13xxx_udc.c')
| -rw-r--r-- | drivers/usb/gadget/ci13xxx_udc.c | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c index 98b36fc88c7..4e9ec7d256f 100644 --- a/drivers/usb/gadget/ci13xxx_udc.c +++ b/drivers/usb/gadget/ci13xxx_udc.c @@ -22,7 +22,6 @@ * - ENDPT: endpoint operations (Gadget API) * - GADGET: gadget operations (Gadget API) * - BUS: bus glue code, bus abstraction layer - * - PCI: PCI core interface and PCI resources (interrupts, memory...) * * Compile Options * - CONFIG_USB_GADGET_DEBUG_FILES: enable debug facilities @@ -60,8 +59,6 @@ #include <linux/io.h> #include <linux/irq.h> #include <linux/kernel.h> -#include <linux/module.h> -#include <linux/pci.h> #include <linux/slab.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> @@ -75,9 +72,6 @@ /* ctrl register bank access */ static DEFINE_SPINLOCK(udc_lock); -/* driver name */ -#define UDC_DRIVER_NAME "ci13xxx_udc" - /* control endpoint description */ static const struct usb_endpoint_descriptor ctrl_endpt_desc = { @@ -2680,156 +2674,3 @@ static void udc_remove(void) kfree(udc); _udc = NULL; } - -/****************************************************************************** - * PCI block - *****************************************************************************/ -/** - * ci13xxx_pci_irq: interrut handler - * @irq: irq number - * @pdev: USB Device Controller interrupt source - * - * This function returns IRQ_HANDLED if the IRQ has been handled - * This is an ISR don't trace, use attribute interface instead - */ -static irqreturn_t ci13xxx_pci_irq(int irq, void *pdev) -{ - if (irq == 0) { - dev_err(&((struct pci_dev *)pdev)->dev, "Invalid IRQ0 usage!"); - return IRQ_HANDLED; - } - return udc_irq(); -} - -/** - * ci13xxx_pci_probe: PCI probe - * @pdev: USB device controller being probed - * @id: PCI hotplug ID connecting controller to UDC framework - * - * This function returns an error code - * Allocates basic PCI resources for this USB device controller, and then - * invokes the udc_probe() method to start the UDC associated with it - */ -static int __devinit ci13xxx_pci_probe(struct pci_dev *pdev, - const struct pci_device_id *id) -{ - void __iomem *regs = NULL; - int retval = 0; - - if (id == NULL) - return -EINVAL; - - retval = pci_enable_device(pdev); - if (retval) - goto done; - - if (!pdev->irq) { - dev_err(&pdev->dev, "No IRQ, check BIOS/PCI setup!"); - retval = -ENODEV; - goto disable_device; - } - - retval = pci_request_regions(pdev, UDC_DRIVER_NAME); - if (retval) - goto disable_device; - - /* BAR 0 holds all the registers */ - regs = pci_iomap(pdev, 0, 0); - if (!regs) { - dev_err(&pdev->dev, "Error mapping memory!"); - retval = -EFAULT; - goto release_regions; - } - pci_set_drvdata(pdev, (__force void *)regs); - - pci_set_master(pdev); - pci_try_set_mwi(pdev); - - retval = udc_probe(&pdev->dev, regs, UDC_DRIVER_NAME); - if (retval) - goto iounmap; - - /* our device does not have MSI capability */ - - retval = request_irq(pdev->irq, ci13xxx_pci_irq, IRQF_SHARED, - UDC_DRIVER_NAME, pdev); - if (retval) - goto gadget_remove; - - return 0; - - gadget_remove: - udc_remove(); - iounmap: - pci_iounmap(pdev, regs); - release_regions: - pci_release_regions(pdev); - disable_device: - pci_disable_device(pdev); - done: - return retval; -} - -/** - * ci13xxx_pci_remove: PCI remove - * @pdev: USB Device Controller being removed - * - * Reverses the effect of ci13xxx_pci_probe(), - * first invoking the udc_remove() and then releases - * all PCI resources allocated for this USB device controller - */ -static void __devexit ci13xxx_pci_remove(struct pci_dev *pdev) -{ - free_irq(pdev->irq, pdev); - udc_remove(); - pci_iounmap(pdev, (__force void __iomem *)pci_get_drvdata(pdev)); - pci_release_regions(pdev); - pci_disable_device(pdev); -} - -/** - * PCI device table - * PCI device structure - * - * Check "pci.h" for details - */ -static DEFINE_PCI_DEVICE_TABLE(ci13xxx_pci_id_table) = { - { PCI_DEVICE(0x153F, 0x1004) }, - { PCI_DEVICE(0x153F, 0x1006) }, - { 0, 0, 0, 0, 0, 0, 0 /* end: all zeroes */ } -}; -MODULE_DEVICE_TABLE(pci, ci13xxx_pci_id_table); - -static struct pci_driver ci13xxx_pci_driver = { - .name = UDC_DRIVER_NAME, - .id_table = ci13xxx_pci_id_table, - .probe = ci13xxx_pci_probe, - .remove = __devexit_p(ci13xxx_pci_remove), -}; - -/** - * ci13xxx_pci_init: module init - * - * Driver load - */ -static int __init ci13xxx_pci_init(void) -{ - return pci_register_driver(&ci13xxx_pci_driver); -} -module_init(ci13xxx_pci_init); - -/** - * ci13xxx_pci_exit: module exit - * - * Driver unload - */ -static void __exit ci13xxx_pci_exit(void) -{ - pci_unregister_driver(&ci13xxx_pci_driver); -} -module_exit(ci13xxx_pci_exit); - -MODULE_AUTHOR("MIPS - David Lopo <dlopo@chipidea.mips.com>"); -MODULE_DESCRIPTION("MIPS CI13XXX USB Peripheral Controller"); -MODULE_LICENSE("GPL"); -MODULE_VERSION("June 2008"); |