// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
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*
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* Based on the r8180 driver, which is:
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* Copyright 2004-2005 Andrea Merello <andrea.merello@gmail.com>, et al.
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*
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* Contact Information: wlanfae <wlanfae@realtek.com>
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*/
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#include "rtl_pci.h"
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#include "rtl_core.h"
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static void _rtl92e_parse_pci_configuration(struct pci_dev *pdev,
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struct net_device *dev)
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{
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struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
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u8 tmp;
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u16 LinkCtrlReg;
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pcie_capability_read_word(priv->pdev, PCI_EXP_LNKCTL, &LinkCtrlReg);
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RT_TRACE(COMP_INIT, "Link Control Register =%x\n", LinkCtrlReg);
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pci_read_config_byte(pdev, 0x98, &tmp);
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tmp |= BIT4;
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pci_write_config_byte(pdev, 0x98, tmp);
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tmp = 0x17;
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pci_write_config_byte(pdev, 0x70f, tmp);
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}
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bool rtl92e_check_adapter(struct pci_dev *pdev, struct net_device *dev)
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{
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struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
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u16 DeviceID;
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u8 RevisionID;
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u16 IrqLine;
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DeviceID = pdev->device;
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RevisionID = pdev->revision;
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pci_read_config_word(pdev, 0x3C, &IrqLine);
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priv->card_8192 = priv->ops->nic_type;
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if (DeviceID == 0x8192) {
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switch (RevisionID) {
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case HAL_HW_PCI_REVISION_ID_8192PCIE:
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dev_info(&pdev->dev,
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"Adapter(8192 PCI-E) is found - DeviceID=%x\n",
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DeviceID);
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priv->card_8192 = NIC_8192E;
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break;
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case HAL_HW_PCI_REVISION_ID_8192SE:
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dev_info(&pdev->dev,
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"Adapter(8192SE) is found - DeviceID=%x\n",
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DeviceID);
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priv->card_8192 = NIC_8192SE;
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break;
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default:
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dev_info(&pdev->dev,
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"UNKNOWN nic type(%4x:%4x)\n",
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pdev->vendor, pdev->device);
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priv->card_8192 = NIC_UNKNOWN;
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return false;
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}
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}
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if (priv->ops->nic_type != priv->card_8192) {
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dev_info(&pdev->dev,
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"Detect info(%x) and hardware info(%x) not match!\n",
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priv->ops->nic_type, priv->card_8192);
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dev_info(&pdev->dev,
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"Please select proper driver before install!!!!\n");
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return false;
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}
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_rtl92e_parse_pci_configuration(pdev, dev);
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return true;
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}
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