usb_main_dev.c

ralink 2870 usb无线网卡 最新驱动

/*
 *************************************************************************
 * Ralink Tech Inc.
 * 5F., No.36, Taiyuan St., Jhubei City,
 * Hsinchu County 302,
 * Taiwan, R.O.C.
 *
 * (c) Copyright 2002-2007, Ralink Technology, Inc.
 *
 * This program is free software; you can redistribute it and/or modify  * 
 * it under the terms of the GNU General Public License as published by  * 
 * the Free Software Foundation; either version 2 of the License, or     * 
 * (at your option) any later version.                                   * 
 *                                                                       * 
 * 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.                          * 
 *                                                                       * 
 * You should have received a copy of the GNU General Public License     * 
 * along with this program; if not, write to the                         * 
 * Free Software Foundation, Inc.,                                       * 
 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             * 
 *                                                                       * 
 *************************************************************************/

#include "rt_config.h"


// Following information will be show when you run 'modinfo'
// *** If you have a solution for the bug in current version of driver, please mail to me.
// Otherwise post to forum in ralinktech's web site(www.ralinktech.com) and let all users help you. ***
MODULE_AUTHOR("Paul Lin <[e-mail]>");
MODULE_DESCRIPTION("RT2870 Wireless Lan Linux Driver");
MODULE_LICENSE("GPL");
#ifdef CONFIG_STA_SUPPORT
#ifdef MODULE_VERSION
MODULE_VERSION(STA_DRIVER_VERSION);
#endif
#endif // CONFIG_STA_SUPPORT //


/* module table */
struct usb_device_id rtusb_usb_id[] = {
#ifdef RT2870
	{USB_DEVICE(0x148F,0x2770)}, /* Ralink */
	{USB_DEVICE(0x148F,0x2870)}, /* Ralink */
	{USB_DEVICE(0x07B8,0x2870)}, /* AboCom */
	{USB_DEVICE(0x07B8,0x2770)}, /* AboCom */
	{USB_DEVICE(0x0DF6,0x0039)}, /* Sitecom 2770 */
	{USB_DEVICE(0x083A,0x7512)}, /* Arcadyan 2770 */
	{USB_DEVICE(0x0789,0x0162)}, /* Logitec 2870 */
	{USB_DEVICE(0x0789,0x0163)}, /* Logitec 2870 */
	{USB_DEVICE(0x0789,0x0164)}, /* Logitec 2870 */
	{USB_DEVICE(0x177f,0x0302)}, /* lsusb */
	{USB_DEVICE(0x0B05,0x1731)}, /* Asus */
	{USB_DEVICE(0x0B05,0x1732)}, /* Asus */
	{USB_DEVICE(0x0B05,0x1742)}, /* Asus */
	{USB_DEVICE(0x0DF6,0x0017)}, /* Sitecom */
	{USB_DEVICE(0x0DF6,0x002B)}, /* Sitecom */
	{USB_DEVICE(0x0DF6,0x002C)}, /* Sitecom */
	{USB_DEVICE(0x0DF6,0x002D)}, /* Sitecom */
	{USB_DEVICE(0x14B2,0x3C06)}, /* Conceptronic */
	{USB_DEVICE(0x14B2,0x3C28)}, /* Conceptronic */
	{USB_DEVICE(0x2019,0xED06)}, /* Planex Communications, Inc. */
	{USB_DEVICE(0x07D1,0x3C09)}, /* D-Link */
	{USB_DEVICE(0x07D1,0x3C11)}, /* D-Link */
	{USB_DEVICE(0x14B2,0x3C07)}, /* AL */
	{USB_DEVICE(0x050D,0x8053)}, /* Belkin */
	{USB_DEVICE(0x14B2,0x3C23)}, /* Airlink */
	{USB_DEVICE(0x14B2,0x3C27)}, /* Airlink */
	{USB_DEVICE(0x07AA,0x002F)}, /* Corega */
	{USB_DEVICE(0x07AA,0x003C)}, /* Corega */
	{USB_DEVICE(0x07AA,0x003F)}, /* Corega */
	{USB_DEVICE(0x1044,0x800B)}, /* Gigabyte */
	{USB_DEVICE(0x15A9,0x0006)}, /* Sparklan */
	{USB_DEVICE(0x083A,0xB522)}, /* SMC */
	{USB_DEVICE(0x083A,0xA618)}, /* SMC */
	{USB_DEVICE(0x083A,0x8522)}, /* Arcadyan */
	{USB_DEVICE(0x083A,0x7522)}, /* Arcadyan */
	{USB_DEVICE(0x0CDE,0x0022)}, /* ZCOM */
	{USB_DEVICE(0x0586,0x3416)}, /* Zyxel */
	{USB_DEVICE(0x0CDE,0x0025)}, /* Zyxel */
	{USB_DEVICE(0x1740,0x9701)}, /* EnGenius */
	{USB_DEVICE(0x1740,0x9702)}, /* EnGenius */
	{USB_DEVICE(0x0471,0x200f)}, /* Philips */
	{USB_DEVICE(0x14B2,0x3C25)}, /* Draytek */
	{USB_DEVICE(0x13D3,0x3247)}, /* AzureWave */
	{USB_DEVICE(0x083A,0x6618)}, /* Accton */
	{USB_DEVICE(0x15c5,0x0008)}, /* Amit */
	{USB_DEVICE(0x0E66,0x0001)}, /* Hawking */
	{USB_DEVICE(0x0E66,0x0003)}, /* Hawking */
	{USB_DEVICE(0x129B,0x1828)}, /* Siemens */
	{USB_DEVICE(0x157E,0x300E)},	/* U-Media */
	{USB_DEVICE(0x050d,0x805c)},	
	{USB_DEVICE(0x050d,0x815c)},
	{USB_DEVICE(0x1482,0x3C09)}, /* Abocom*/
	{USB_DEVICE(0x14B2,0x3C09)}, /* Alpha */
	{USB_DEVICE(0x04E8,0x2018)}, /* samsung */
	{USB_DEVICE(0x5A57,0x0280)}, /* Zinwell */
	{USB_DEVICE(0x5A57,0x0282)}, /* Zinwell */
	{USB_DEVICE(0x7392,0x7718)},
	{USB_DEVICE(0x7392,0x7717)},
	{USB_DEVICE(0x1737,0x0070)}, /* Linksys WUSB100 */
	{USB_DEVICE(0x1737,0x0071)}, /* Linksys WUSB600N */
	{USB_DEVICE(0x0411,0x00e8)}, /* Buffalo WLI-UC-G300N*/
	{USB_DEVICE(0x050d,0x815c)}, /* Belkin F5D8053 */
#endif // RT2870 //
	{ }/* Terminating entry */
};

INT const rtusb_usb_id_len = sizeof(rtusb_usb_id) / sizeof(struct usb_device_id);

MODULE_DEVICE_TABLE(usb, rtusb_usb_id);

static void rt2870_disconnect(
	IN struct usb_device *dev, 
	IN PRTMP_ADAPTER pAd);

static int __devinit rt2870_probe(
	IN struct usb_interface *intf,
	IN struct usb_device *usb_dev,
	IN const struct usb_device_id *dev_id,
	IN RTMP_ADAPTER **ppAd);

#ifndef PF_NOFREEZE
#define PF_NOFREEZE  0
#endif


extern int rt28xx_close(IN struct net_device *net_dev);
extern int rt28xx_open(struct net_device *net_dev);

static BOOLEAN USBDevConfigInit(
	IN struct usb_device 	*dev,
	IN struct usb_interface *intf, 
	IN RTMP_ADAPTER *pAd);
	

/*
========================================================================
Routine Description:
    Check the chipset vendor/product ID.

Arguments:
    _dev_p				Point to the PCI or USB device

Return Value:
    TRUE				Check ok
	FALSE				Check fail

Note:
========================================================================
*/
BOOLEAN RT28XXChipsetCheck(
	IN void *_dev_p)
{
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)	/* kernel 2.4 series */
	struct usb_device *dev_p = (struct usb_device *)_dev_p;
#else
	struct usb_interface *intf = (struct usb_interface *)_dev_p;
	struct usb_device *dev_p = interface_to_usbdev(intf);
#endif // LINUX_VERSION_CODE //
	UINT32 i;


	for(i=0; i<rtusb_usb_id_len; i++)
	{
		if (dev_p->descriptor.idVendor == rtusb_usb_id[i].idVendor &&
			dev_p->descriptor.idProduct == rtusb_usb_id[i].idProduct)
		{
			printk("rt2870: idVendor = 0x%x, idProduct = 0x%x\n",
					dev_p->descriptor.idVendor, dev_p->descriptor.idProduct);
			break;
		}
	}

	if (i == rtusb_usb_id_len) 
	{
		printk("rt2870: Error! Device Descriptor not matching!\n");
		return FALSE;
	}

	return TRUE;
}


#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)

/**************************************************************************/
/**************************************************************************/
//tested for kernel 2.4 series
/**************************************************************************/
/**************************************************************************/
static void *rtusb_probe(struct usb_device *dev, UINT interface,
						const struct usb_device_id *id_table);
static void rtusb_disconnect(struct usb_device *dev, void *ptr);

struct usb_driver rtusb_driver = {
		name:"rt2870",
		probe:rtusb_probe,
		disconnect:rtusb_disconnect,
		id_table:rtusb_usb_id,
	};


static BOOLEAN USBDevConfigInit(
	IN struct usb_device 	*dev,
	IN struct usb_interface *intf, 
	IN RTMP_ADAPTER *pAd)
{
	struct usb_interface_descriptor *iface_desc;
	struct usb_endpoint_descriptor *endpoint;
	ULONG BulkOutIdx;
	UINT32 i;


	iface_desc = &intf->altsetting[0];

	/* get # of enpoints */
	pAd->NumberOfPipes = iface_desc->bNumEndpoints;
	DBGPRINT(RT_DEBUG_TRACE, ("NumEndpoints=%d\n", iface_desc->bNumEndpoints));		 

	/* Configure Pipes */
	endpoint = &iface_desc->endpoint[0];
	BulkOutIdx = 0;

	for(i=0; i<pAd->NumberOfPipes; i++)
	{
		if ((endpoint[i].bmAttributes == USB_ENDPOINT_XFER_BULK) && 
			((endpoint[i].bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN))
		{
			pAd->BulkInEpAddr = endpoint[i].bEndpointAddress;
			pAd->BulkInMaxPacketSize = endpoint[i].wMaxPacketSize;

			DBGPRINT_RAW(RT_DEBUG_TRACE, ("BULK IN MaximumPacketSize = %d\n", pAd->BulkInMaxPacketSize));
			DBGPRINT_RAW(RT_DEBUG_TRACE, ("EP address = 0x%2x  \n", endpoint[i].bEndpointAddress));
		}
		else if ((endpoint[i].bmAttributes == USB_ENDPOINT_XFER_BULK) && 
				((endpoint[i].bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT))
		{
			// There are 6 bulk out EP. EP6 highest priority.
			// EP1-4 is EDCA.  EP5 is HCCA.
			pAd->BulkOutEpAddr[BulkOutIdx++] = endpoint[i].bEndpointAddress;
			pAd->BulkOutMaxPacketSize = endpoint[i].wMaxPacketSize;

			DBGPRINT_RAW(RT_DEBUG_TRACE, ("BULK OUT MaximumPacketSize = %d\n", pAd->BulkOutMaxPacketSize));
			DBGPRINT_RAW(RT_DEBUG_TRACE, ("EP address = 0x%2x  \n", endpoint[i].bEndpointAddress));
		}
	}

	if (!(pAd->BulkInEpAddr && pAd->BulkOutEpAddr[0])) 
	{
		printk("Could not find both bulk-in and bulk-out endpoints\n");
		return FALSE;
	}

	pAd->config = dev->config;


	return TRUE;
	
}

static void *rtusb_probe(struct usb_device *dev, UINT interface,
						const struct usb_device_id *id)
{
	struct usb_interface *intf;
	RTMP_ADAPTER *pAd;
	int rv;


	/* get the active interface descriptor */
	intf = &dev->actconfig->interface[interface];

	// call generic probe procedure.	
	rv = rt2870_probe(intf, dev, id, &pAd);
	if (rv != 0)
		pAd = NULL;
	
	return (void *)pAd;
}

//Disconnect function is called within exit routine
static void rtusb_disconnect(struct usb_device *dev, void *ptr)
{
	rt2870_disconnect(dev, ((PRTMP_ADAPTER)ptr));
}


#else	// else if we are kernel 2.6 series


/**************************************************************************/
/**************************************************************************/
//tested for kernel 2.6series
/**************************************************************************/
/**************************************************************************/

#ifdef CONFIG_PM

#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10)
#define pm_message_t u32
#endif

static int rt2870_suspend(struct usb_interface *intf, pm_message_t state);
static int rt2870_resume(struct usb_interface *intf);
#endif // CONFIG_PM //

static int rtusb_probe (struct usb_interface *intf,
						const struct usb_device_id *id);
static void rtusb_disconnect(struct usb_interface *intf);

static BOOLEAN USBDevConfigInit(
	IN struct usb_device 	*dev,
	IN struct usb_interface *intf, 
	IN RTMP_ADAPTER 	*pAd)
{
	struct usb_host_interface *iface_desc;
	ULONG BulkOutIdx;
	UINT32 i;


	/* get the active interface descriptor */
	iface_desc = intf->cur_altsetting;

	/* get # of enpoints  */
	pAd->NumberOfPipes = iface_desc->desc.bNumEndpoints;
	DBGPRINT(RT_DEBUG_TRACE, ("NumEndpoints=%d\n", iface_desc->desc.bNumEndpoints));		  

	/* Configure Pipes */
	BulkOutIdx = 0;

	for(i=0; i<pAd->NumberOfPipes; i++)
	{ 
		if ((iface_desc->endpoint[i].desc.bmAttributes == 
				USB_ENDPOINT_XFER_BULK) && 
			((iface_desc->endpoint[i].desc.bEndpointAddress &
				USB_ENDPOINT_DIR_MASK) == USB_DIR_IN))
		{
			pAd->BulkInEpAddr = iface_desc->endpoint[i].desc.bEndpointAddress;
			pAd->BulkInMaxPacketSize = iface_desc->endpoint[i].desc.wMaxPacketSize;

			DBGPRINT_RAW(RT_DEBUG_TRACE, ("BULK IN MaxPacketSize = %d\n", pAd->BulkInMaxPacketSize));
			DBGPRINT_RAW(RT_DEBUG_TRACE, ("EP address = 0x%2x\n", iface_desc->endpoint[i].desc.bEndpointAddress));
		}
		else if ((iface_desc->endpoint[i].desc.bmAttributes ==
					USB_ENDPOINT_XFER_BULK) && 
				((iface_desc->endpoint[i].desc.bEndpointAddress &
					USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT))
		{
			// there are 6 bulk out EP. EP6 highest priority.
			// EP1-4 is EDCA.  EP5 is HCCA.
			pAd->BulkOutEpAddr[BulkOutIdx++] = iface_desc->endpoint[i].desc.bEndpointAddress;
			pAd->BulkOutMaxPacketSize = iface_desc->endpoint[i].desc.wMaxPacketSize;

			DBGPRINT_RAW(RT_DEBUG_TRACE, ("BULK OUT MaxPacketSize = %d\n", pAd->BulkOutMaxPacketSize));
			DBGPRINT_RAW(RT_DEBUG_TRACE, ("EP address = 0x%2x  \n", iface_desc->endpoint[i].desc.bEndpointAddress));
		}
	}

	if (!(pAd->BulkInEpAddr && pAd->BulkOutEpAddr[0])) 
	{
		printk("%s: Could not find both bulk-in and bulk-out endpoints\n", __FUNCTION__);
		return FALSE;
	}

	pAd->config = &dev->config->desc;
	usb_set_intfdata(intf, pAd);
	
	return TRUE;
	
}



static int rtusb_probe (struct usb_interface *intf,
						const struct usb_device_id *id)
{	
	RTMP_ADAPTER *pAd;
	struct usb_device *dev;
	int rv;

	dev = interface_to_usbdev(intf);
	dev = usb_get_dev(dev);
	
	rv = rt2870_probe(intf, dev, id, &pAd);
	if (rv != 0)
		usb_put_dev(dev);
	
	return rv;
}


static void rtusb_disconnect(struct usb_interface *intf)
{
	struct usb_device   *dev = interface_to_usbdev(intf);
	PRTMP_ADAPTER       pAd;


	pAd = usb_get_intfdata(intf);
	usb_set_intfdata(intf, NULL);	

	rt2870_disconnect(dev, pAd);
}


struct usb_driver rtusb_driver = {
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
	.owner = THIS_MODULE,
#endif	
	.name="rt2870",
	.probe=rtusb_probe,
	.disconnect=rtusb_disconnect,
	.id_table=rtusb_usb_id,

#ifdef CONFIG_PM
	suspend:	rt2870_suspend,
	resume:		rt2870_resume,
#endif
	};

#ifdef CONFIG_PM

VOID RT2870RejectPendingPackets(
	IN	PRTMP_ADAPTER	pAd)
{
	// clear PS packets
	// clear TxSw packets
}

static int rt2870_suspend(
	struct usb_interface *intf,
	pm_message_t state)
{
	struct net_device *net_dev;
	PRTMP_ADAPTER pAd = usb_get_intfdata(intf);


	DBGPRINT(RT_DEBUG_TRACE, ("===> rt2870_suspend()\n"));
	net_dev = pAd->net_dev;
	netif_device_detach(net_dev);

	pAd->PM_FlgSuspend = 1;
	if (netif_running(net_dev)) {
		RTUSBCancelPendingBulkInIRP(pAd);
		RTUSBCancelPendingBulkOutIRP(pAd);
	}
	DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2870_suspend()\n"));
	return 0;
}

static int rt2870_resume(
	struct usb_interface *intf)
{
	struct net_device *net_dev;
	PRTMP_ADAPTER pAd = usb_get_intfdata(intf);


	DBGPRINT(RT_DEBUG_TRACE, ("===> rt2870_resume()\n"));

	pAd->PM_FlgSuspend = 0;
	net_dev = pAd->net_dev;
	netif_device_attach(net_dev);
	netif_start_queue(net_dev);
	netif_carrier_on(net_dev);
	netif_wake_queue(net_dev);

	DBGPRINT(RT_DEBUG_TRACE, ("<=== rt2870_resume()\n"));
	return 0;
}
#endif // CONFIG_PM //
#endif // LINUX_VERSION_CODE //


// Init driver module
INT __init rtusb_init(void)
{
	printk("rtusb init --->\n");   
	return usb_register(&rtusb_driver);
}

// Deinit driver module
VOID __exit rtusb_exit(void)
{
	usb_deregister(&rtusb_driver);	
	printk("<--- rtusb exit\n");
}

module_init(rtusb_init);
module_exit(rtusb_exit);




/*---------------------------------------------------------------------	*/
/* function declarations												*/
/*---------------------------------------------------------------------	*/

/*
========================================================================