- 根目录:
- drivers
- net
- wireless
- iwlwifi
- pcie
- drv.c
/******************************************************************************
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved.
*
* 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 COPYING.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
* BSD LICENSE
*
* Copyright(c) 2005 - 2013 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*****************************************************************************/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/pci-aspm.h>
#include "iwl-trans.h"
#include "iwl-drv.h"
#include "internal.h"
#define IWL_PCI_DEVICE(dev, subdev, cfg) \
.vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \
.subvendor = PCI_ANY_ID, .subdevice = (subdev), \
.driver_data = (kernel_ulong_t)&(cfg)
/* Hardware specific file defines the PCI IDs table for that hardware module */
static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = {
{IWL_PCI_DEVICE(0x4232, 0x1201, iwl5100_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x4232, 0x1301, iwl5100_agn_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x4232, 0x1204, iwl5100_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x4232, 0x1304, iwl5100_agn_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x4232, 0x1205, iwl5100_bgn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x4232, 0x1305, iwl5100_bgn_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x4232, 0x1206, iwl5100_abg_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x4232, 0x1306, iwl5100_abg_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x4232, 0x1221, iwl5100_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x4232, 0x1321, iwl5100_agn_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x4232, 0x1224, iwl5100_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x4232, 0x1324, iwl5100_agn_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x4232, 0x1225, iwl5100_bgn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x4232, 0x1325, iwl5100_bgn_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x4232, 0x1226, iwl5100_abg_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x4232, 0x1326, iwl5100_abg_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x4237, 0x1211, iwl5100_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x4237, 0x1311, iwl5100_agn_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x4237, 0x1214, iwl5100_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x4237, 0x1314, iwl5100_agn_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x4237, 0x1215, iwl5100_bgn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x4237, 0x1315, iwl5100_bgn_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x4237, 0x1216, iwl5100_abg_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x4237, 0x1316, iwl5100_abg_cfg)}, /* Half Mini Card */
/* 5300 Series WiFi */
{IWL_PCI_DEVICE(0x4235, 0x1021, iwl5300_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x4235, 0x1121, iwl5300_agn_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x4235, 0x1024, iwl5300_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x4235, 0x1124, iwl5300_agn_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x4235, 0x1001, iwl5300_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x4235, 0x1101, iwl5300_agn_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x4235, 0x1004, iwl5300_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x4235, 0x1104, iwl5300_agn_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x4236, 0x1011, iwl5300_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x4236, 0x1111, iwl5300_agn_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x4236, 0x1014, iwl5300_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x4236, 0x1114, iwl5300_agn_cfg)}, /* Half Mini Card */
/* 5350 Series WiFi/WiMax */
{IWL_PCI_DEVICE(0x423A, 0x1001, iwl5350_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x423A, 0x1021, iwl5350_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x423B, 0x1011, iwl5350_agn_cfg)}, /* Mini Card */
/* 5150 Series Wifi/WiMax */
{IWL_PCI_DEVICE(0x423C, 0x1201, iwl5150_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x423C, 0x1301, iwl5150_agn_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x423C, 0x1206, iwl5150_abg_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x423C, 0x1306, iwl5150_abg_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x423C, 0x1221, iwl5150_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x423C, 0x1321, iwl5150_agn_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x423D, 0x1211, iwl5150_agn_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x423D, 0x1311, iwl5150_agn_cfg)}, /* Half Mini Card */
{IWL_PCI_DEVICE(0x423D, 0x1216, iwl5150_abg_cfg)}, /* Mini Card */
{IWL_PCI_DEVICE(0x423D, 0x1316, iwl5150_abg_cfg)}, /* Half Mini Card */
/* 6x00 Series */
{IWL_PCI_DEVICE(0x422B, 0x1101, iwl6000_3agn_cfg)},
{IWL_PCI_DEVICE(0x422B, 0x1121, iwl6000_3agn_cfg)},
{IWL_PCI_DEVICE(0x422C, 0x1301, iwl6000i_2agn_cfg)},
{IWL_PCI_DEVICE(0x422C, 0x1306, iwl6000i_2abg_cfg)},
{IWL_PCI_DEVICE(0x422C, 0x1307, iwl6000i_2bg_cfg)},
{IWL_PCI_DEVICE(0x422C, 0x1321, iwl6000i_2agn_cfg)},
{IWL_PCI_DEVICE(0x422C, 0x1326, iwl6000i_2abg_cfg)},
{IWL_PCI_DEVICE(0x4238, 0x1111, iwl6000_3agn_cfg)},
{IWL_PCI_DEVICE(0x4239, 0x1311, iwl6000i_2agn_cfg)},
{IWL_PCI_DEVICE(0x4239, 0x1316, iwl6000i_2abg_cfg)},
/* 6x05 Series */
{IWL_PCI_DEVICE(0x0082, 0x1301, iwl6005_2agn_cfg)},
{IWL_PCI_DEVICE(0x0082, 0x1306, iwl6005_2abg_cfg)},
{IWL_PCI_DEVICE(0x0082, 0x1307, iwl6005_2bg_cfg)},
{IWL_PCI_DEVICE(0x0082, 0x1321, iwl6005_2agn_cfg)},
{IWL_PCI_DEVICE(0x0082, 0x1326, iwl6005_2abg_cfg)},
{IWL_PCI_DEVICE(0x0085, 0x1311, iwl6005_2agn_cfg)},
{IWL_PCI_DEVICE(0x0085, 0x1316, iwl6005_2abg_cfg)},
{IWL_PCI_DEVICE(0x0082, 0xC020, iwl6005_2agn_sff_cfg)},
{IWL_PCI_DEVICE(0x0085, 0xC220, iwl6005_2agn_sff_cfg)},
{IWL_PCI_DEVICE(0x0082, 0x4820, iwl6005_2agn_d_cfg)},
{IWL_PCI_DEVICE(0x0082, 0x1304, iwl6005_2agn_mow1_cfg)},/* low 5GHz active */
{IWL_PCI_DEVICE(0x0082, 0x1305, iwl6005_2agn_mow2_cfg)},/* high 5GHz active */
/* 6x30 Series */
{IWL_PCI_DEVICE(0x008A, 0x5305, iwl1030_bgn_cfg)},
{IWL_PCI_DEVICE(0x008A, 0x5307, iwl1030_bg_cfg)},
{IWL_PCI_DEVICE(0x008A, 0x5325, iwl1030_bgn_cfg)},
{IWL_PCI_DEVICE(0x008A, 0x5327, iwl1030_bg_cfg)},
{IWL_PCI_DEVICE(0x008B, 0x5315, iwl1030_bgn_cfg)},
{IWL_PCI_DEVICE(0x008B, 0x5317, iwl1030_bg_cfg)},
{IWL_PCI_DEVICE(0x0090, 0x5211, iwl6030_2agn_cfg)},
{IWL_PCI_DEVICE(0x0090, 0x5215, iwl6030_2bgn_cfg)},
{IWL_PCI_DEVICE(0x0090, 0x5216, iwl6030_2abg_cfg)},
{IWL_PCI_DEVICE(0x0091, 0x5201, iwl6030_2agn_cfg)},
{IWL_PCI_DEVICE(0x0091, 0x5205, iwl6030_2bgn_cfg)},
{IWL_PCI_DEVICE(0x0091, 0x5206, iwl6030_2abg_cfg)},
{IWL_PCI_DEVICE(0x0091, 0x5207, iwl6030_2bg_cfg)},
{IWL_PCI_DEVICE(0x0091, 0x5221, iwl6030_2agn_cfg)},
{IWL_PCI_DEVICE(0x0091, 0x5225, iwl6030_2bgn_cfg)},
{IWL_PCI_DEVICE(0x0091, 0x5226, iwl6030_2abg_cfg)},
/* 6x50 WiFi/WiMax Series */
{IWL_PCI_DEVICE(0x0087, 0x1301, iwl6050_2agn_cfg)},
{IWL_PCI_DEVICE(0x0087, 0x1306, iwl6050_2abg_cfg)},
{IWL_PCI_DEVICE(0x0087, 0x1321, iwl6050_2agn_cfg)},
{IWL_PCI_DEVICE(0x0087, 0x1326, iwl6050_2abg_cfg)},
{IWL_PCI_DEVICE(0x0089, 0x1311, iwl6050_2agn_cfg)},
{IWL_PCI_DEVICE(0x0089, 0x1316, iwl6050_2abg_cfg)},
/* 6150 WiFi/WiMax Series */
{IWL_PCI_DEVICE(0x0885, 0x1305, iwl6150_bgn_cfg)},
{IWL_PCI_DEVICE(0x0885, 0x1307, iwl6150_bg_cfg)},
{IWL_PCI_DEVICE(0x0885, 0x1325, iwl6150_bgn_cfg)},
{IWL_PCI_DEVICE(0x0885, 0x1327, iwl6150_bg_cfg)},
{IWL_PCI_DEVICE(0x0886, 0x1315, iwl6150_bgn_cfg)},
{IWL_PCI_DEVICE(0x0886, 0x1317, iwl6150_bg_cfg)},
/* 1000 Series WiFi */
{IWL_PCI_DEVICE(0x0083, 0x1205, iwl1000_bgn_cfg)},
{IWL_PCI_DEVICE(0x0083, 0x1305, iwl1000_bgn_cfg)},
{IWL_PCI_DEVICE(0x0083, 0x1225, iwl1000_bgn_cfg)},
{IWL_PCI_DEVICE(0x0083, 0x1325, iwl1000_bgn_cfg)},
{IWL_PCI_DEVICE(0x0084, 0x1215, iwl1000_bgn_cfg)},
{IWL_PCI_DEVICE(0x0084, 0x1315, iwl1000_bgn_cfg)},
{IWL_PCI_DEVICE(0x0083, 0x1206, iwl1000_bg_cfg)},
{IWL_PCI_DEVICE(0x0083, 0x1306, iwl1000_bg_cfg)},
{IWL_PCI_DEVICE(0x0083, 0x1226, iwl1000_bg_cfg)},
{IWL_PCI_DEVICE(0x0083, 0x1326, iwl1000_bg_cfg)},
{IWL_PCI_DEVICE(0x0084, 0x1216, iwl1000_bg_cfg)},
{IWL_PCI_DEVICE(0x0084, 0x1316, iwl1000_bg_cfg)},
/* 100 Series WiFi */
{IWL_PCI_DEVICE(0x08AE, 0x1005, iwl100_bgn_cfg)},
{IWL_PCI_DEVICE(0x08AE, 0x1007, iwl100_bg_cfg)},
{IWL_PCI_DEVICE(0x08AF, 0x1015, iwl100_bgn_cfg)},
{IWL_PCI_DEVICE(0x08AF, 0x1017, iwl100_bg_cfg)},
{IWL_PCI_DEVICE(0x08AE, 0x1025, iwl100_bgn_cfg)},
{IWL_PCI_DEVICE(0x08AE, 0x1027, iwl100_bg_cfg)},
/* 130 Series WiFi */
{IWL_PCI_DEVICE(0x0896, 0x5005, iwl130_bgn_cfg)},
{IWL_PCI_DEVICE(0x0896, 0x5007, iwl130_bg_cfg)},
{IWL_PCI_DEVICE(0x0897, 0x5015, iwl130_bgn_cfg)},
{IWL_PCI_DEVICE(0x0897, 0x5017, iwl130_bg_cfg)},
{IWL_PCI_DEVICE(0x0896, 0x5025, iwl130_bgn_cfg)},
{IWL_PCI_DEVICE(0x0896, 0x5027, iwl130_bg_cfg)},
/* 2x00 Series */
{IWL_PCI_DEVICE(0x0890, 0x4022, iwl2000_2bgn_cfg)},
{IWL_PCI_DEVICE(0x0891, 0x4222, iwl2000_2bgn_cfg)},
{IWL_PCI_DEVICE(0x0890, 0x4422, iwl2000_2bgn_cfg)},
{IWL_PCI_DEVICE(0x0890, 0x4822, iwl2000_2bgn_d_cfg)},
/* 2x30 Series */
{IWL_PCI_DEVICE(0x0887, 0x4062, iwl2030_2bgn_cfg)},
{IWL_PCI_DEVICE(0x0888, 0x4262, iwl2030_2bgn_cfg)},
{IWL_PCI_DEVICE(0x0887, 0x4462, iwl2030_2bgn_cfg)},
/* 6x35 Series */
{IWL_PCI_DEVICE(0x088E, 0x4060, iwl6035_2agn_cfg)},
{IWL_PCI_DEVICE(0x088F, 0x4260, iwl6035_2agn_cfg)},
{IWL_PCI_DEVICE(0x088E, 0x4460, iwl6035_2agn_cfg)},
{IWL_PCI_DEVICE(0x088E, 0x4860, iwl6035_2agn_cfg)},
{IWL_PCI_DEVICE(0x088F, 0x5260, iwl6035_2agn_cfg)},
/* 105 Series */
{IWL_PCI_DEVICE(0x0894, 0x0022, iwl105_bgn_cfg)},
{IWL_PCI_DEVICE(0x0895, 0x0222, iwl105_bgn_cfg)},
{IWL_PCI_DEVICE(0x0894, 0x0422, iwl105_bgn_cfg)},
{IWL_PCI_DEVICE(0x0894, 0x0822, iwl105_bgn_d_cfg)},
/* 135 Series */
{IWL_PCI_DEVICE(0x0892, 0x0062, iwl135_bgn_cfg)},
{IWL_PCI_DEVICE(0x0893, 0x0262, iwl135_bgn_cfg)},
{IWL_PCI_DEVICE(0x0892, 0x0462, iwl135_bgn_cfg)},
/* 7000 Series */
{IWL_PCI_DEVICE(0x08B1, 0x4070, iwl7260_2ac_cfg)},
{IWL_PCI_DEVICE(0x08B1, 0x4062, iwl7260_2ac_cfg)},
{IWL_PCI_DEVICE(0x08B1, 0xC070, iwl7260_2ac_cfg)},
{IWL_PCI_DEVICE(0x08B3, 0x0070, iwl3160_ac_cfg)},
{IWL_PCI_DEVICE(0x08B3, 0x8070, iwl3160_ac_cfg)},
{0}
};
MODULE_DEVICE_TABLE(pci, iwl_hw_card_ids);
/* PCI registers */
#define PCI_CFG_RETRY_TIMEOUT 0x041
static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
const struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data);
struct iwl_trans *iwl_trans;
struct iwl_trans_pcie *trans_pcie;
int ret;
iwl_trans = iwl_trans_pcie_alloc(pdev, ent, cfg);
if (iwl_trans == NULL)
return -ENOMEM;
pci_set_drvdata(pdev, iwl_trans);
trans_pcie = IWL_TRANS_GET_PCIE_TRANS(iwl_trans);
trans_pcie->drv = iwl_drv_start(iwl_trans, cfg);
if (IS_ERR_OR_NULL(trans_pcie->drv)) {
ret = PTR_ERR(trans_pcie->drv);
goto out_free_trans;
}
/* register transport layer debugfs here */
ret = iwl_trans_dbgfs_register(iwl_trans, iwl_trans->dbgfs_dir);
if (ret)
goto out_free_drv;
return 0;
out_free_drv:
iwl_drv_stop(trans_pcie->drv);
out_free_trans:
iwl_trans_pcie_free(iwl_trans);
pci_set_drvdata(pdev, NULL);
return ret;
}
static void iwl_pci_remove(struct pci_dev *pdev)
{
struct iwl_trans *trans = pci_get_drvdata(pdev);
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
iwl_drv_stop(trans_pcie->drv);
iwl_trans_pcie_free(trans);
pci_set_drvdata(pdev, NULL);
}
#ifdef CONFIG_PM_SLEEP
static int iwl_pci_suspend(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
struct iwl_trans *iwl_trans = pci_get_drvdata(pdev);
/* Before you put code here, think about WoWLAN. You cannot check here
* whether WoWLAN is enabled or not, and your code will run even if
* WoWLAN is enabled - don't kill the NIC, someone may need it in Sx.
*/
return iwl_trans_suspend(iwl_trans);
}
static int iwl_pci_resume(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
struct iwl_trans *iwl_trans = pci_get_drvdata(pdev);
/* Before you put code here, think about WoWLAN. You cannot check here
* whether WoWLAN is enabled or not, and your code will run even if
* WoWLAN is enabled - the NIC may be alive.
*/
/*
* We disable the RETRY_TIMEOUT register (0x41) to keep
* PCI Tx retries from interfering with C3 CPU state.
*/
pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
return iwl_trans_resume(iwl_trans);
}
static SIMPLE_DEV_PM_OPS(iwl_dev_pm_ops, iwl_pci_suspend, iwl_pci_resume);
#define IWL_PM_OPS (&iwl_dev_pm_ops)
#else
#define IWL_PM_OPS NULL
#endif
static struct pci_driver iwl_pci_driver = {
.name = DRV_NAME,
.id_table = iwl_hw_card_ids,
.probe = iwl_pci_probe,
.remove = iwl_pci_remove,
.driver.pm = IWL_PM_OPS,
};
int __must_check iwl_pci_register_driver(void)
{
int ret;
ret = pci_register_driver(&iwl_pci_driver);
if (ret)
pr_err("Unable to initialize PCI module\n");
return ret;
}
void iwl_pci_unregister_driver(void)
{
pci_unregister_driver(&iwl_pci_driver);
}