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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
*
* Based on the r8180 driver, which is:
* Copyright 2004-2005 Andrea Merello <andrea.merello@gmail.com>, et al.
*
* Contact Information: wlanfae <wlanfae@realtek.com>
*/
#include "rtl_pci.h"
#include "rtl_core.h"
static void _rtl92e_parse_pci_configuration(struct pci_dev *pdev,
struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
u8 tmp;
u16 LinkCtrlReg;
pcie_capability_read_word(priv->pdev, PCI_EXP_LNKCTL, &LinkCtrlReg);
RT_TRACE(COMP_INIT, "Link Control Register =%x\n", 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 rtl92e_check_adapter(struct pci_dev *pdev, struct net_device *dev)
{
struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
u16 DeviceID;
u8 RevisionID;
u16 IrqLine;
DeviceID = pdev->device;
RevisionID = pdev->revision;
pci_read_config_word(pdev, 0x3C, &IrqLine);
priv->card_8192 = priv->ops->nic_type;
if (DeviceID == 0x8192) {
switch (RevisionID) {
case HAL_HW_PCI_REVISION_ID_8192PCIE:
dev_info(&pdev->dev,
"Adapter(8192 PCI-E) is found - DeviceID=%x\n",
DeviceID);
priv->card_8192 = NIC_8192E;
break;
case HAL_HW_PCI_REVISION_ID_8192SE:
dev_info(&pdev->dev,
"Adapter(8192SE) is found - DeviceID=%x\n",
DeviceID);
priv->card_8192 = NIC_8192SE;
break;
default:
dev_info(&pdev->dev,
"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) {
dev_info(&pdev->dev,
"Detect info(%x) and hardware info(%x) not match!\n",
priv->ops->nic_type, priv->card_8192);
dev_info(&pdev->dev,
"Please select proper driver before install!!!!\n");
return false;
}
_rtl92e_parse_pci_configuration(pdev, dev);
return true;
}
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