rtl_pci.c
/******************************************************************************
* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
*
* Based on the r8180 driver, which is:
* Copyright 2004-2005 Andrea Merello <andreamrl@tiscali.it>, et al.
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
* The full GNU General Public License is included in this distribution in the
* file called LICENSE.
*
* Contact Information:
* wlanfae <wlanfae@realtek.com>
*****************************************************************************/
#include "rtl_pci.h"
#include "rtl_core.h"
static void rtl8192_parse_pci_configuration(struct pci_dev *pdev,
struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
u8 tmp;
int pos;
u8 LinkCtrlReg;
pos = pci_find_capability(priv->pdev, PCI_CAP_ID_EXP);
pci_read_config_byte(priv->pdev, pos + PCI_EXP_LNKCTL, &LinkCtrlReg);
priv->NdisAdapter.LinkCtrlReg = LinkCtrlReg;
RT_TRACE(COMP_INIT, "Link Control Register =%x\n",
priv->NdisAdapter.LinkCtrlReg);
pci_read_config_byte(pdev, 0x98, &tmp);
tmp |= BIT4;
pci_write_config_byte(pdev, 0x98, tmp);
tmp = 0x17;
pci_write_config_byte(pdev, 0x70f, tmp);
}
bool rtl8192_pci_findadapter(struct pci_dev *pdev, struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
u16 VenderID;
u16 DeviceID;
u8 RevisionID;
u16 IrqLine;
VenderID = pdev->vendor;
DeviceID = pdev->device;
RevisionID = pdev->revision;
pci_read_config_word(pdev, 0x3C, &IrqLine);
priv->card_8192 = priv->ops->nic_type;
if (DeviceID == 0x8172) {
switch (RevisionID) {
case HAL_HW_PCI_REVISION_ID_8192PCIE:
printk(KERN_INFO "Adapter(8192 PCI-E) is found - "
"DeviceID=%x\n", DeviceID);
priv->card_8192 = NIC_8192E;
break;
case HAL_HW_PCI_REVISION_ID_8192SE:
printk(KERN_INFO "Adapter(8192SE) is found - "
"DeviceID=%x\n", DeviceID);
priv->card_8192 = NIC_8192SE;
break;
default:
printk(KERN_INFO "UNKNOWN nic type(%4x:%4x)\n",
pdev->vendor, pdev->device);
priv->card_8192 = NIC_UNKNOWN;
return false;
}
}
if (priv->ops->nic_type != priv->card_8192) {
printk(KERN_INFO "Detect info(%x) and hardware info(%x) not match!\n",
priv->ops->nic_type, priv->card_8192);
printk(KERN_INFO "Please select proper driver before install!!!!\n");
return false;
}
rtl8192_parse_pci_configuration(pdev, dev);
return true;
}