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
rtl8192_parse_pci_configuration(struct pci_dev * pdev,struct net_device * dev)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 int pos;
35 u8 LinkCtrlReg;
36
37 pos = pci_find_capability(priv->pdev, PCI_CAP_ID_EXP);
38 pci_read_config_byte(priv->pdev, pos + PCI_EXP_LNKCTL, &LinkCtrlReg);
39 priv->NdisAdapter.LinkCtrlReg = LinkCtrlReg;
40
41 RT_TRACE(COMP_INIT, "Link Control Register =%x\n",
42 priv->NdisAdapter.LinkCtrlReg);
43
44 pci_read_config_byte(pdev, 0x98, &tmp);
45 tmp |= BIT4;
46 pci_write_config_byte(pdev, 0x98, tmp);
47
48 tmp = 0x17;
49 pci_write_config_byte(pdev, 0x70f, tmp);
50 }
51
rtl8192_pci_findadapter(struct pci_dev * pdev,struct net_device * dev)52 bool rtl8192_pci_findadapter(struct pci_dev *pdev, struct net_device *dev)
53 {
54 struct r8192_priv *priv = (struct r8192_priv *)rtllib_priv(dev);
55 u16 VenderID;
56 u16 DeviceID;
57 u8 RevisionID;
58 u16 IrqLine;
59
60 VenderID = pdev->vendor;
61 DeviceID = pdev->device;
62 RevisionID = pdev->revision;
63 pci_read_config_word(pdev, 0x3C, &IrqLine);
64
65 priv->card_8192 = priv->ops->nic_type;
66
67 if (DeviceID == 0x8172) {
68 switch (RevisionID) {
69 case HAL_HW_PCI_REVISION_ID_8192PCIE:
70 printk(KERN_INFO "Adapter(8192 PCI-E) is found - "
71 "DeviceID=%x\n", DeviceID);
72 priv->card_8192 = NIC_8192E;
73 break;
74 case HAL_HW_PCI_REVISION_ID_8192SE:
75 printk(KERN_INFO "Adapter(8192SE) is found - "
76 "DeviceID=%x\n", DeviceID);
77 priv->card_8192 = NIC_8192SE;
78 break;
79 default:
80 printk(KERN_INFO "UNKNOWN nic type(%4x:%4x)\n",
81 pdev->vendor, pdev->device);
82 priv->card_8192 = NIC_UNKNOWN;
83 return false;
84 }
85 }
86
87 if (priv->ops->nic_type != priv->card_8192) {
88 printk(KERN_INFO "Detect info(%x) and hardware info(%x) not match!\n",
89 priv->ops->nic_type, priv->card_8192);
90 printk(KERN_INFO "Please select proper driver before install!!!!\n");
91 return false;
92 }
93
94 rtl8192_parse_pci_configuration(pdev, dev);
95
96 return true;
97 }
98