mirror of
https://github.com/torvalds/linux.git
synced 2024-11-07 04:32:03 +00:00
fb4e98ab63
CONFIG_HOTPLUG is going away as an option so __devexit is no longer needed. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Cc: Peter Korsgaard <jacmet@sunsite.dk> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Acked-by: Felipe Balbi <balbi@ti.com> Cc: Li Yang <leoli@freescale.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Wan ZongShun <mcuos.com@gmail.com> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
159 lines
4.0 KiB
C
159 lines
4.0 KiB
C
/*
|
|
* ci13xxx_pci.c - MIPS USB IP core family device controller
|
|
*
|
|
* Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved.
|
|
*
|
|
* Author: David Lopo
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#include <linux/platform_device.h>
|
|
#include <linux/module.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/usb/gadget.h>
|
|
#include <linux/usb/chipidea.h>
|
|
|
|
/* driver name */
|
|
#define UDC_DRIVER_NAME "ci13xxx_pci"
|
|
|
|
/******************************************************************************
|
|
* PCI block
|
|
*****************************************************************************/
|
|
struct ci13xxx_platform_data pci_platdata = {
|
|
.name = UDC_DRIVER_NAME,
|
|
.capoffset = DEF_CAPOFFSET,
|
|
};
|
|
|
|
struct ci13xxx_platform_data langwell_pci_platdata = {
|
|
.name = UDC_DRIVER_NAME,
|
|
.capoffset = 0,
|
|
};
|
|
|
|
struct ci13xxx_platform_data penwell_pci_platdata = {
|
|
.name = UDC_DRIVER_NAME,
|
|
.capoffset = 0,
|
|
.power_budget = 200,
|
|
};
|
|
|
|
/**
|
|
* 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 ci13xxx_pci_probe(struct pci_dev *pdev,
|
|
const struct pci_device_id *id)
|
|
{
|
|
struct ci13xxx_platform_data *platdata = (void *)id->driver_data;
|
|
struct platform_device *plat_ci;
|
|
struct resource res[3];
|
|
int retval = 0, nres = 2;
|
|
|
|
if (!platdata) {
|
|
dev_err(&pdev->dev, "device doesn't provide driver data\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
pci_set_power_state(pdev, PCI_D0);
|
|
pci_set_master(pdev);
|
|
pci_try_set_mwi(pdev);
|
|
|
|
memset(res, 0, sizeof(res));
|
|
res[0].start = pci_resource_start(pdev, 0);
|
|
res[0].end = pci_resource_end(pdev, 0);
|
|
res[0].flags = IORESOURCE_MEM;
|
|
res[1].start = pdev->irq;
|
|
res[1].flags = IORESOURCE_IRQ;
|
|
|
|
plat_ci = ci13xxx_add_device(&pdev->dev, res, nres, platdata);
|
|
if (IS_ERR(plat_ci)) {
|
|
dev_err(&pdev->dev, "ci13xxx_add_device failed!\n");
|
|
retval = PTR_ERR(plat_ci);
|
|
goto disable_device;
|
|
}
|
|
|
|
pci_set_drvdata(pdev, plat_ci);
|
|
|
|
return 0;
|
|
|
|
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 ci13xxx_pci_remove(struct pci_dev *pdev)
|
|
{
|
|
struct platform_device *plat_ci = pci_get_drvdata(pdev);
|
|
|
|
ci13xxx_remove_device(plat_ci);
|
|
pci_set_drvdata(pdev, NULL);
|
|
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),
|
|
.driver_data = (kernel_ulong_t)&pci_platdata,
|
|
},
|
|
{
|
|
PCI_DEVICE(0x153F, 0x1006),
|
|
.driver_data = (kernel_ulong_t)&pci_platdata,
|
|
},
|
|
{
|
|
PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0811),
|
|
.driver_data = (kernel_ulong_t)&langwell_pci_platdata,
|
|
},
|
|
{
|
|
PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0829),
|
|
.driver_data = (kernel_ulong_t)&penwell_pci_platdata,
|
|
},
|
|
{ 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 = ci13xxx_pci_remove,
|
|
};
|
|
|
|
module_pci_driver(ci13xxx_pci_driver);
|
|
|
|
MODULE_AUTHOR("MIPS - David Lopo <dlopo@chipidea.mips.com>");
|
|
MODULE_DESCRIPTION("MIPS CI13XXX USB Peripheral Controller");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_VERSION("June 2008");
|