[deliverable/linux.git] / drivers / net / wireless / iwlwifi / iwl-pci.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 - 2012 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 LICENSE.GPL.
 *
 * 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 - 2012 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.
 *
 *****************************************************************************/
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/pci-aspm.h>

#include "iwl-io.h"
#include "iwl-shared.h"
#include "iwl-trans.h"
#include "iwl-csr.h"
#include "iwl-cfg.h"
#include "iwl-drv.h"
#include "iwl-trans.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)},

/* 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)},

	{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_shared *shrd;
	struct iwl_trans *iwl_trans;
	int err;

	shrd = kzalloc(sizeof(*iwl_trans->shrd), GFP_KERNEL);
	if (!shrd) {
		dev_printk(KERN_ERR, &pdev->dev,
			   "Couldn't allocate iwl_shared");
		err = -ENOMEM;
		goto out_free_bus;
	}

#ifdef CONFIG_IWLWIFI_IDI
	iwl_trans = iwl_trans_idi_alloc(shrd, pdev, ent);
#else
	iwl_trans = iwl_trans_pcie_alloc(shrd, pdev, ent);
#endif
	if (iwl_trans == NULL) {
		err = -ENOMEM;
		goto out_free_bus;
	}

	shrd->trans = iwl_trans;
	pci_set_drvdata(pdev, iwl_trans);

	err = iwl_drv_start(shrd, iwl_trans, cfg);
	if (err)
		goto out_free_trans;

	return 0;

out_free_trans:
	iwl_trans_free(iwl_trans);
	pci_set_drvdata(pdev, NULL);
out_free_bus:
	kfree(shrd);
	return err;
}

static void __devexit iwl_pci_remove(struct pci_dev *pdev)
{
	struct iwl_trans *iwl_trans = pci_get_drvdata(pdev);
	struct iwl_shared *shrd = iwl_trans->shrd;

	iwl_drv_stop(shrd);
	iwl_trans_free(shrd->trans);

	pci_set_drvdata(pdev, NULL);

	kfree(shrd);
}

#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 = __devexit_p(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);
}
Commit	Line	Data
48d1a211 EG	1	/******************************************************************************
	2	*
	3	* This file is provided under a dual BSD/GPLv2 license. When using or
	4	* redistributing this file, you may do so under either license.
	5	*
	6	* GPL LICENSE SUMMARY
	7	*
4e318262	8	* Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved.
48d1a211 EG	9	*
	10	* This program is free software; you can redistribute it and/or modify
	11	* it under the terms of version 2 of the GNU General Public License as
	12	* published by the Free Software Foundation.
	13	*
	14	* This program is distributed in the hope that it will be useful, but
	15	* WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	17	* General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
	22	* USA
	23	*
	24	* The full GNU General Public License is included in this distribution
	25	* in the file called LICENSE.GPL.
	26	*
	27	* Contact Information:
	28	* Intel Linux Wireless <ilw@linux.intel.com>
	29	* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
	30	*
	31	* BSD LICENSE
	32	*
4e318262	33	* Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved.
48d1a211 EG	34	* All rights reserved.
	35	*
	36	* Redistribution and use in source and binary forms, with or without
	37	* modification, are permitted provided that the following conditions
	38	* are met:
	39	*
	40	* * Redistributions of source code must retain the above copyright
	41	* notice, this list of conditions and the following disclaimer.
	42	* * Redistributions in binary form must reproduce the above copyright
	43	* notice, this list of conditions and the following disclaimer in
	44	* the documentation and/or other materials provided with the
	45	* distribution.
	46	* * Neither the name Intel Corporation nor the names of its
	47	* contributors may be used to endorse or promote products derived
	48	* from this software without specific prior written permission.
	49	*
	50	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	51	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	52	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	53	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	54	* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	55	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	56	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	57	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	58	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	59	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	60	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	61	*
	62	*****************************************************************************/
9d9779e7	63	#include <linux/module.h>
48d1a211 EG	64	#include <linux/pci.h>
	65	#include <linux/pci-aspm.h>
	66
332a4bad	67	#include "iwl-io.h"
48f20d35	68	#include "iwl-shared.h"
e6bb4c9c	69	#include "iwl-trans.h"
332a4bad	70	#include "iwl-csr.h"
cebcbd75	71	#include "iwl-cfg.h"
5c58edc6	72	#include "iwl-drv.h"
36a79223	73	#include "iwl-trans.h"
d57fa99d	74
48d1a211 EG	75	#define IWL_PCI_DEVICE(dev, subdev, cfg) \
	76	.vendor = PCI_VENDOR_ID_INTEL, .device = (dev), \
	77	.subvendor = PCI_ANY_ID, .subdevice = (subdev), \
	78	.driver_data = (kernel_ulong_t)&(cfg)
	79
	80	/* Hardware specific file defines the PCI IDs table for that hardware module */
	81	static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = {
	82	{IWL_PCI_DEVICE(0x4232, 0x1201, iwl5100_agn_cfg)}, /* Mini Card */
	83	{IWL_PCI_DEVICE(0x4232, 0x1301, iwl5100_agn_cfg)}, /* Half Mini Card */
	84	{IWL_PCI_DEVICE(0x4232, 0x1204, iwl5100_agn_cfg)}, /* Mini Card */
	85	{IWL_PCI_DEVICE(0x4232, 0x1304, iwl5100_agn_cfg)}, /* Half Mini Card */
	86	{IWL_PCI_DEVICE(0x4232, 0x1205, iwl5100_bgn_cfg)}, /* Mini Card */
	87	{IWL_PCI_DEVICE(0x4232, 0x1305, iwl5100_bgn_cfg)}, /* Half Mini Card */
	88	{IWL_PCI_DEVICE(0x4232, 0x1206, iwl5100_abg_cfg)}, /* Mini Card */
	89	{IWL_PCI_DEVICE(0x4232, 0x1306, iwl5100_abg_cfg)}, /* Half Mini Card */
	90	{IWL_PCI_DEVICE(0x4232, 0x1221, iwl5100_agn_cfg)}, /* Mini Card */
	91	{IWL_PCI_DEVICE(0x4232, 0x1321, iwl5100_agn_cfg)}, /* Half Mini Card */
	92	{IWL_PCI_DEVICE(0x4232, 0x1224, iwl5100_agn_cfg)}, /* Mini Card */
	93	{IWL_PCI_DEVICE(0x4232, 0x1324, iwl5100_agn_cfg)}, /* Half Mini Card */
	94	{IWL_PCI_DEVICE(0x4232, 0x1225, iwl5100_bgn_cfg)}, /* Mini Card */
	95	{IWL_PCI_DEVICE(0x4232, 0x1325, iwl5100_bgn_cfg)}, /* Half Mini Card */
	96	{IWL_PCI_DEVICE(0x4232, 0x1226, iwl5100_abg_cfg)}, /* Mini Card */
	97	{IWL_PCI_DEVICE(0x4232, 0x1326, iwl5100_abg_cfg)}, /* Half Mini Card */
	98	{IWL_PCI_DEVICE(0x4237, 0x1211, iwl5100_agn_cfg)}, /* Mini Card */
	99	{IWL_PCI_DEVICE(0x4237, 0x1311, iwl5100_agn_cfg)}, /* Half Mini Card */
	100	{IWL_PCI_DEVICE(0x4237, 0x1214, iwl5100_agn_cfg)}, /* Mini Card */
	101	{IWL_PCI_DEVICE(0x4237, 0x1314, iwl5100_agn_cfg)}, /* Half Mini Card */
	102	{IWL_PCI_DEVICE(0x4237, 0x1215, iwl5100_bgn_cfg)}, /* Mini Card */
	103	{IWL_PCI_DEVICE(0x4237, 0x1315, iwl5100_bgn_cfg)}, /* Half Mini Card */
	104	{IWL_PCI_DEVICE(0x4237, 0x1216, iwl5100_abg_cfg)}, /* Mini Card */
	105	{IWL_PCI_DEVICE(0x4237, 0x1316, iwl5100_abg_cfg)}, /* Half Mini Card */
	106
	107	/* 5300 Series WiFi */
	108	{IWL_PCI_DEVICE(0x4235, 0x1021, iwl5300_agn_cfg)}, /* Mini Card */
	109	{IWL_PCI_DEVICE(0x4235, 0x1121, iwl5300_agn_cfg)}, /* Half Mini Card */
	110	{IWL_PCI_DEVICE(0x4235, 0x1024, iwl5300_agn_cfg)}, /* Mini Card */
	111	{IWL_PCI_DEVICE(0x4235, 0x1124, iwl5300_agn_cfg)}, /* Half Mini Card */
	112	{IWL_PCI_DEVICE(0x4235, 0x1001, iwl5300_agn_cfg)}, /* Mini Card */
	113	{IWL_PCI_DEVICE(0x4235, 0x1101, iwl5300_agn_cfg)}, /* Half Mini Card */
	114	{IWL_PCI_DEVICE(0x4235, 0x1004, iwl5300_agn_cfg)}, /* Mini Card */
	115	{IWL_PCI_DEVICE(0x4235, 0x1104, iwl5300_agn_cfg)}, /* Half Mini Card */
	116	{IWL_PCI_DEVICE(0x4236, 0x1011, iwl5300_agn_cfg)}, /* Mini Card */
	117	{IWL_PCI_DEVICE(0x4236, 0x1111, iwl5300_agn_cfg)}, /* Half Mini Card */
	118	{IWL_PCI_DEVICE(0x4236, 0x1014, iwl5300_agn_cfg)}, /* Mini Card */
	119	{IWL_PCI_DEVICE(0x4236, 0x1114, iwl5300_agn_cfg)}, /* Half Mini Card */
	120
	121	/* 5350 Series WiFi/WiMax */
	122	{IWL_PCI_DEVICE(0x423A, 0x1001, iwl5350_agn_cfg)}, /* Mini Card */
	123	{IWL_PCI_DEVICE(0x423A, 0x1021, iwl5350_agn_cfg)}, /* Mini Card */
	124	{IWL_PCI_DEVICE(0x423B, 0x1011, iwl5350_agn_cfg)}, /* Mini Card */
	125
	126	/* 5150 Series Wifi/WiMax */
	127	{IWL_PCI_DEVICE(0x423C, 0x1201, iwl5150_agn_cfg)}, /* Mini Card */
	128	{IWL_PCI_DEVICE(0x423C, 0x1301, iwl5150_agn_cfg)}, /* Half Mini Card */
	129	{IWL_PCI_DEVICE(0x423C, 0x1206, iwl5150_abg_cfg)}, /* Mini Card */
	130	{IWL_PCI_DEVICE(0x423C, 0x1306, iwl5150_abg_cfg)}, /* Half Mini Card */
	131	{IWL_PCI_DEVICE(0x423C, 0x1221, iwl5150_agn_cfg)}, /* Mini Card */
	132	{IWL_PCI_DEVICE(0x423C, 0x1321, iwl5150_agn_cfg)}, /* Half Mini Card */
	133
	134	{IWL_PCI_DEVICE(0x423D, 0x1211, iwl5150_agn_cfg)}, /* Mini Card */
	135	{IWL_PCI_DEVICE(0x423D, 0x1311, iwl5150_agn_cfg)}, /* Half Mini Card */
	136	{IWL_PCI_DEVICE(0x423D, 0x1216, iwl5150_abg_cfg)}, /* Mini Card */
	137	{IWL_PCI_DEVICE(0x423D, 0x1316, iwl5150_abg_cfg)}, /* Half Mini Card */
	138
139	/* 6x00 Series */
140	{IWL_PCI_DEVICE(0x422B, 0x1101, iwl6000_3agn_cfg)},
141	{IWL_PCI_DEVICE(0x422B, 0x1121, iwl6000_3agn_cfg)},
142	{IWL_PCI_DEVICE(0x422C, 0x1301, iwl6000i_2agn_cfg)},
143	{IWL_PCI_DEVICE(0x422C, 0x1306, iwl6000i_2abg_cfg)},
144	{IWL_PCI_DEVICE(0x422C, 0x1307, iwl6000i_2bg_cfg)},
145	{IWL_PCI_DEVICE(0x422C, 0x1321, iwl6000i_2agn_cfg)},
146	{IWL_PCI_DEVICE(0x422C, 0x1326, iwl6000i_2abg_cfg)},
147	{IWL_PCI_DEVICE(0x4238, 0x1111, iwl6000_3agn_cfg)},
148	{IWL_PCI_DEVICE(0x4239, 0x1311, iwl6000i_2agn_cfg)},
149	{IWL_PCI_DEVICE(0x4239, 0x1316, iwl6000i_2abg_cfg)},
150
151	/* 6x05 Series */
152	{IWL_PCI_DEVICE(0x0082, 0x1301, iwl6005_2agn_cfg)},
153	{IWL_PCI_DEVICE(0x0082, 0x1306, iwl6005_2abg_cfg)},
154	{IWL_PCI_DEVICE(0x0082, 0x1307, iwl6005_2bg_cfg)},
155	{IWL_PCI_DEVICE(0x0082, 0x1321, iwl6005_2agn_cfg)},
156	{IWL_PCI_DEVICE(0x0082, 0x1326, iwl6005_2abg_cfg)},
157	{IWL_PCI_DEVICE(0x0085, 0x1311, iwl6005_2agn_cfg)},
158	{IWL_PCI_DEVICE(0x0085, 0x1316, iwl6005_2abg_cfg)},
6a9ae0dc	159	{IWL_PCI_DEVICE(0x0082, 0xC020, iwl6005_2agn_sff_cfg)},
ff647af6	160	{IWL_PCI_DEVICE(0x0085, 0xC220, iwl6005_2agn_sff_cfg)},
37891123 WYG	161	{IWL_PCI_DEVICE(0x0082, 0x4820, iwl6005_2agn_d_cfg)},
	162	{IWL_PCI_DEVICE(0x0082, 0x1304, iwl6005_2agn_mow1_cfg)},/* low 5GHz active */
	163	{IWL_PCI_DEVICE(0x0082, 0x1305, iwl6005_2agn_mow2_cfg)},/* high 5GHz active */
48d1a211 EG	164
	165	/* 6x30 Series */
	166	{IWL_PCI_DEVICE(0x008A, 0x5305, iwl1030_bgn_cfg)},
	167	{IWL_PCI_DEVICE(0x008A, 0x5307, iwl1030_bg_cfg)},
	168	{IWL_PCI_DEVICE(0x008A, 0x5325, iwl1030_bgn_cfg)},
	169	{IWL_PCI_DEVICE(0x008A, 0x5327, iwl1030_bg_cfg)},
	170	{IWL_PCI_DEVICE(0x008B, 0x5315, iwl1030_bgn_cfg)},
	171	{IWL_PCI_DEVICE(0x008B, 0x5317, iwl1030_bg_cfg)},
	172	{IWL_PCI_DEVICE(0x0090, 0x5211, iwl6030_2agn_cfg)},
	173	{IWL_PCI_DEVICE(0x0090, 0x5215, iwl6030_2bgn_cfg)},
	174	{IWL_PCI_DEVICE(0x0090, 0x5216, iwl6030_2abg_cfg)},
	175	{IWL_PCI_DEVICE(0x0091, 0x5201, iwl6030_2agn_cfg)},
	176	{IWL_PCI_DEVICE(0x0091, 0x5205, iwl6030_2bgn_cfg)},
	177	{IWL_PCI_DEVICE(0x0091, 0x5206, iwl6030_2abg_cfg)},
	178	{IWL_PCI_DEVICE(0x0091, 0x5207, iwl6030_2bg_cfg)},
	179	{IWL_PCI_DEVICE(0x0091, 0x5221, iwl6030_2agn_cfg)},
	180	{IWL_PCI_DEVICE(0x0091, 0x5225, iwl6030_2bgn_cfg)},
	181	{IWL_PCI_DEVICE(0x0091, 0x5226, iwl6030_2abg_cfg)},
	182
	183	/* 6x50 WiFi/WiMax Series */
	184	{IWL_PCI_DEVICE(0x0087, 0x1301, iwl6050_2agn_cfg)},
	185	{IWL_PCI_DEVICE(0x0087, 0x1306, iwl6050_2abg_cfg)},
	186	{IWL_PCI_DEVICE(0x0087, 0x1321, iwl6050_2agn_cfg)},
	187	{IWL_PCI_DEVICE(0x0087, 0x1326, iwl6050_2abg_cfg)},
	188	{IWL_PCI_DEVICE(0x0089, 0x1311, iwl6050_2agn_cfg)},
	189	{IWL_PCI_DEVICE(0x0089, 0x1316, iwl6050_2abg_cfg)},
	190
	191	/* 6150 WiFi/WiMax Series */
	192	{IWL_PCI_DEVICE(0x0885, 0x1305, iwl6150_bgn_cfg)},
	193	{IWL_PCI_DEVICE(0x0885, 0x1307, iwl6150_bg_cfg)},
	194	{IWL_PCI_DEVICE(0x0885, 0x1325, iwl6150_bgn_cfg)},
	195	{IWL_PCI_DEVICE(0x0885, 0x1327, iwl6150_bg_cfg)},
	196	{IWL_PCI_DEVICE(0x0886, 0x1315, iwl6150_bgn_cfg)},
	197	{IWL_PCI_DEVICE(0x0886, 0x1317, iwl6150_bg_cfg)},
	198
	199	/* 1000 Series WiFi */
	200	{IWL_PCI_DEVICE(0x0083, 0x1205, iwl1000_bgn_cfg)},
	201	{IWL_PCI_DEVICE(0x0083, 0x1305, iwl1000_bgn_cfg)},
	202	{IWL_PCI_DEVICE(0x0083, 0x1225, iwl1000_bgn_cfg)},
	203	{IWL_PCI_DEVICE(0x0083, 0x1325, iwl1000_bgn_cfg)},
	204	{IWL_PCI_DEVICE(0x0084, 0x1215, iwl1000_bgn_cfg)},
	205	{IWL_PCI_DEVICE(0x0084, 0x1315, iwl1000_bgn_cfg)},
	206	{IWL_PCI_DEVICE(0x0083, 0x1206, iwl1000_bg_cfg)},
	207	{IWL_PCI_DEVICE(0x0083, 0x1306, iwl1000_bg_cfg)},
	208	{IWL_PCI_DEVICE(0x0083, 0x1226, iwl1000_bg_cfg)},
	209	{IWL_PCI_DEVICE(0x0083, 0x1326, iwl1000_bg_cfg)},
	210	{IWL_PCI_DEVICE(0x0084, 0x1216, iwl1000_bg_cfg)},
	211	{IWL_PCI_DEVICE(0x0084, 0x1316, iwl1000_bg_cfg)},
	212
	213	/* 100 Series WiFi */
	214	{IWL_PCI_DEVICE(0x08AE, 0x1005, iwl100_bgn_cfg)},
	215	{IWL_PCI_DEVICE(0x08AE, 0x1007, iwl100_bg_cfg)},
	216	{IWL_PCI_DEVICE(0x08AF, 0x1015, iwl100_bgn_cfg)},
	217	{IWL_PCI_DEVICE(0x08AF, 0x1017, iwl100_bg_cfg)},
	218	{IWL_PCI_DEVICE(0x08AE, 0x1025, iwl100_bgn_cfg)},
	219	{IWL_PCI_DEVICE(0x08AE, 0x1027, iwl100_bg_cfg)},
	220
	221	/* 130 Series WiFi */
	222	{IWL_PCI_DEVICE(0x0896, 0x5005, iwl130_bgn_cfg)},
	223	{IWL_PCI_DEVICE(0x0896, 0x5007, iwl130_bg_cfg)},
	224	{IWL_PCI_DEVICE(0x0897, 0x5015, iwl130_bgn_cfg)},
	225	{IWL_PCI_DEVICE(0x0897, 0x5017, iwl130_bg_cfg)},
	226	{IWL_PCI_DEVICE(0x0896, 0x5025, iwl130_bgn_cfg)},
	227	{IWL_PCI_DEVICE(0x0896, 0x5027, iwl130_bg_cfg)},
228
229	/* 2x00 Series */
230	{IWL_PCI_DEVICE(0x0890, 0x4022, iwl2000_2bgn_cfg)},
231	{IWL_PCI_DEVICE(0x0891, 0x4222, iwl2000_2bgn_cfg)},
232	{IWL_PCI_DEVICE(0x0890, 0x4422, iwl2000_2bgn_cfg)},
1603dd49	233	{IWL_PCI_DEVICE(0x0890, 0x4822, iwl2000_2bgn_d_cfg)},
48d1a211 EG	234
	235	/* 2x30 Series */
	236	{IWL_PCI_DEVICE(0x0887, 0x4062, iwl2030_2bgn_cfg)},
	237	{IWL_PCI_DEVICE(0x0888, 0x4262, iwl2030_2bgn_cfg)},
	238	{IWL_PCI_DEVICE(0x0887, 0x4462, iwl2030_2bgn_cfg)},
48d1a211 EG	239
	240	/* 6x35 Series */
	241	{IWL_PCI_DEVICE(0x088E, 0x4060, iwl6035_2agn_cfg)},
	242	{IWL_PCI_DEVICE(0x088F, 0x4260, iwl6035_2agn_cfg)},
	243	{IWL_PCI_DEVICE(0x088E, 0x4460, iwl6035_2agn_cfg)},
259653d8	244	{IWL_PCI_DEVICE(0x088E, 0x4860, iwl6035_2agn_cfg)},
48d1a211 EG	245
	246	/* 105 Series */
	247	{IWL_PCI_DEVICE(0x0894, 0x0022, iwl105_bgn_cfg)},
	248	{IWL_PCI_DEVICE(0x0895, 0x0222, iwl105_bgn_cfg)},
	249	{IWL_PCI_DEVICE(0x0894, 0x0422, iwl105_bgn_cfg)},
b319d3eb	250	{IWL_PCI_DEVICE(0x0894, 0x0822, iwl105_bgn_d_cfg)},
48d1a211 EG	251
	252	/* 135 Series */
	253	{IWL_PCI_DEVICE(0x0892, 0x0062, iwl135_bgn_cfg)},
	254	{IWL_PCI_DEVICE(0x0893, 0x0262, iwl135_bgn_cfg)},
	255	{IWL_PCI_DEVICE(0x0892, 0x0462, iwl135_bgn_cfg)},
48d1a211 EG	256
	257	{0}
	258	};
	259	MODULE_DEVICE_TABLE(pci, iwl_hw_card_ids);
	260
99673ee5 EG	261	/* PCI registers */
	262	#define PCI_CFG_RETRY_TIMEOUT 0x041
	263
48d1a211 EG	264	static int iwl_pci_probe(struct pci_dev pdev, const struct pci_device_id ent)
48d1a211 EG	265	{
706c4ff6	266	const struct iwl_cfg cfg = (struct iwl_cfg )(ent->driver_data);
36a79223 EG	267	struct iwl_shared *shrd;
36a79223 EG	268	struct iwl_trans *iwl_trans;
a48709c5 EG	269	int err;
a48709c5 EG	270
36a79223 EG	271	shrd = kzalloc(sizeof(*iwl_trans->shrd), GFP_KERNEL);
36a79223 EG	272	if (!shrd) {
e81fb554 EG	273	dev_printk(KERN_ERR, &pdev->dev,
e81fb554 EG	274	"Couldn't allocate iwl_shared");
a48709c5	275	err = -ENOMEM;
a42a1844	276	goto out_free_bus;
a48709c5 EG	277	}
a48709c5 EG	278
a5916977	279	#ifdef CONFIG_IWLWIFI_IDI
36a79223	280	iwl_trans = iwl_trans_idi_alloc(shrd, pdev, ent);
a5916977	281	#else
36a79223	282	iwl_trans = iwl_trans_pcie_alloc(shrd, pdev, ent);
ce9e80af	283	#endif
36a79223	284	if (iwl_trans == NULL) {
b52e7ea1	285	err = -ENOMEM;
5c58edc6	286	goto out_free_bus;
b52e7ea1 EG	287	}
b52e7ea1 EG	288
36a79223 EG	289	shrd->trans = iwl_trans;
	290	pci_set_drvdata(pdev, iwl_trans);
	291
	292	err = iwl_drv_start(shrd, iwl_trans, cfg);
a48709c5	293	if (err)
b52e7ea1	294	goto out_free_trans;
a42a1844	295
a48709c5 EG	296	return 0;
a48709c5 EG	297
b52e7ea1	298	out_free_trans:
36a79223	299	iwl_trans_free(iwl_trans);
084dd791	300	pci_set_drvdata(pdev, NULL);
a42a1844	301	out_free_bus:
36a79223	302	kfree(shrd);
a48709c5	303	return err;
48d1a211 EG	304	}
48d1a211 EG	305
65e291ac	306	static void __devexit iwl_pci_remove(struct pci_dev *pdev)
084dd791	307	{
36a79223 EG	308	struct iwl_trans *iwl_trans = pci_get_drvdata(pdev);
36a79223 EG	309	struct iwl_shared *shrd = iwl_trans->shrd;
65e291ac	310
07590f08	311	iwl_drv_stop(shrd);
b52e7ea1	312	iwl_trans_free(shrd->trans);
084dd791	313
a42a1844	314	pci_set_drvdata(pdev, NULL);
084dd791	315
36a79223	316	kfree(shrd);
084dd791 EG	317	}
084dd791 EG	318
f090fba3	319	#ifdef CONFIG_PM_SLEEP
48d1a211 EG	320
	321	static int iwl_pci_suspend(struct device *device)
	322	{
	323	struct pci_dev *pdev = to_pci_dev(device);
36a79223	324	struct iwl_trans *iwl_trans = pci_get_drvdata(pdev);
48d1a211	325
b09b296d EG	326	/* Before you put code here, think about WoWLAN. You cannot check here
	327	* whether WoWLAN is enabled or not, and your code will run even if
	328	* WoWLAN is enabled - don't kill the NIC, someone may need it in Sx.
	329	*/
	330
36a79223	331	return iwl_trans_suspend(iwl_trans);
48d1a211 EG	332	}
	333
	334	static int iwl_pci_resume(struct device *device)
	335	{
	336	struct pci_dev *pdev = to_pci_dev(device);
36a79223	337	struct iwl_trans *iwl_trans = pci_get_drvdata(pdev);
48d1a211	338
b09b296d EG	339	/* Before you put code here, think about WoWLAN. You cannot check here
	340	* whether WoWLAN is enabled or not, and your code will run even if
	341	* WoWLAN is enabled - the NIC may be alive.
	342	*/
	343
48d1a211 EG	344	/*
	345	* We disable the RETRY_TIMEOUT register (0x41) to keep
	346	* PCI Tx retries from interfering with C3 CPU state.
	347	*/
	348	pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
	349
36a79223	350	return iwl_trans_resume(iwl_trans);
48d1a211 EG	351	}
48d1a211 EG	352
1e5cf9b0	353	static SIMPLE_DEV_PM_OPS(iwl_dev_pm_ops, iwl_pci_suspend, iwl_pci_resume);
48d1a211 EG	354
	355	#define IWL_PM_OPS (&iwl_dev_pm_ops)
	356
	357	#else
	358
	359	#define IWL_PM_OPS NULL
	360
	361	#endif
	362
	363	static struct pci_driver iwl_pci_driver = {
	364	.name = DRV_NAME,
	365	.id_table = iwl_hw_card_ids,
	366	.probe = iwl_pci_probe,
	367	.remove = __devexit_p(iwl_pci_remove),
	368	.driver.pm = IWL_PM_OPS,
	369	};
	370
	371	int __must_check iwl_pci_register_driver(void)
	372	{
	373	int ret;
	374	ret = pci_register_driver(&iwl_pci_driver);
	375	if (ret)
	376	pr_err("Unable to initialize PCI module\n");
	377
	378	return ret;
	379	}
	380
	381	void iwl_pci_unregister_driver(void)
	382	{
	383	pci_unregister_driver(&iwl_pci_driver);
	384	}