| 1 | /****************************************************************************** |
| 2 | * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. |
| 3 | * |
| 4 | * Based on the r8180 driver, which is: |
| 5 | * Copyright 2004-2005 Andrea Merello <andreamrl@tiscali.it>, et al. |
| 6 | * This program is free software; you can redistribute it and/or modify it |
| 7 | * under the terms of version 2 of the GNU General Public License as |
| 8 | * published by the Free Software Foundation. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 13 | * more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along with |
| 16 | * this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| 18 | * |
| 19 | * The full GNU General Public License is included in this distribution in the |
| 20 | * file called LICENSE. |
| 21 | * |
| 22 | * Contact Information: |
| 23 | * wlanfae <wlanfae@realtek.com> |
| 24 | *****************************************************************************/ |
| 25 | #include "rtl_pci.h" |
| 26 | #include "rtl_core.h" |
| 27 | |
| 28 | static void rtl8192_parse_pci_configuration(struct pci_dev *pdev, |
| 29 | struct net_device *dev) |
| 30 | { |
| 31 | struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev); |
| 32 | |
| 33 | u8 tmp; |
| 34 | u16 LinkCtrlReg; |
| 35 | |
| 36 | pcie_capability_read_word(priv->pdev, PCI_EXP_LNKCTL, &LinkCtrlReg); |
| 37 | priv->NdisAdapter.LinkCtrlReg = (u8)LinkCtrlReg; |
| 38 | |
| 39 | RT_TRACE(COMP_INIT, "Link Control Register =%x\n", |
| 40 | priv->NdisAdapter.LinkCtrlReg); |
| 41 | |
| 42 | pci_read_config_byte(pdev, 0x98, &tmp); |
| 43 | tmp |= BIT4; |
| 44 | pci_write_config_byte(pdev, 0x98, tmp); |
| 45 | |
| 46 | tmp = 0x17; |
| 47 | pci_write_config_byte(pdev, 0x70f, tmp); |
| 48 | } |
| 49 | |
| 50 | bool rtl8192_pci_findadapter(struct pci_dev *pdev, struct net_device *dev) |
| 51 | { |
| 52 | struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev); |
| 53 | u16 VenderID; |
| 54 | u16 DeviceID; |
| 55 | u8 RevisionID; |
| 56 | u16 IrqLine; |
| 57 | |
| 58 | VenderID = pdev->vendor; |
| 59 | DeviceID = pdev->device; |
| 60 | RevisionID = pdev->revision; |
| 61 | pci_read_config_word(pdev, 0x3C, &IrqLine); |
| 62 | |
| 63 | priv->card_8192 = priv->ops->nic_type; |
| 64 | |
| 65 | if (DeviceID == 0x8172) { |
| 66 | switch (RevisionID) { |
| 67 | case HAL_HW_PCI_REVISION_ID_8192PCIE: |
| 68 | printk(KERN_INFO "Adapter(8192 PCI-E) is found - " |
| 69 | "DeviceID=%x\n", DeviceID); |
| 70 | priv->card_8192 = NIC_8192E; |
| 71 | break; |
| 72 | case HAL_HW_PCI_REVISION_ID_8192SE: |
| 73 | printk(KERN_INFO "Adapter(8192SE) is found - " |
| 74 | "DeviceID=%x\n", DeviceID); |
| 75 | priv->card_8192 = NIC_8192SE; |
| 76 | break; |
| 77 | default: |
| 78 | printk(KERN_INFO "UNKNOWN nic type(%4x:%4x)\n", |
| 79 | pdev->vendor, pdev->device); |
| 80 | priv->card_8192 = NIC_UNKNOWN; |
| 81 | return false; |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | if (priv->ops->nic_type != priv->card_8192) { |
| 86 | printk(KERN_INFO "Detect info(%x) and hardware info(%x) not match!\n", |
| 87 | priv->ops->nic_type, priv->card_8192); |
| 88 | printk(KERN_INFO "Please select proper driver before install!!!!\n"); |
| 89 | return false; |
| 90 | } |
| 91 | |
| 92 | rtl8192_parse_pci_configuration(pdev, dev); |
| 93 | |
| 94 | return true; |
| 95 | } |