/******************************************************************************
*
* 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 - 2011 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 - 2011 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/pci.h>
#include <linux/pci-aspm.h>
#include "iwl-pci.h"
#include "iwl-agn.h"
#include "iwl-core.h"
struct iwl_pci_bus {
/* basic pci-network driver stuff */
struct pci_dev *pci_dev;
/* pci hardware address support */
void __iomem *hw_base;
};
#define IWL_BUS_GET_PCI_BUS(_iwl_bus) \
((struct iwl_pci_bus *) ((_iwl_bus)->bus_specific))
#define IWL_BUS_GET_PCI_DEV(_iwl_bus) \
((IWL_BUS_GET_PCI_BUS(_iwl_bus))->pci_dev)
static void iwl_pci_set_drv_data(struct iwl_bus *bus, void *drv_priv)
{
pci_set_drvdata(IWL_BUS_GET_PCI_DEV(bus), drv_priv);
}
static struct device *iwl_pci_get_dev(const struct iwl_bus *bus)
{
return &(IWL_BUS_GET_PCI_DEV(bus)->dev);
}
static void iwl_pci_write8(struct iwl_bus *bus, u32 ofs, u8 val)
{
iowrite8(val, IWL_BUS_GET_PCI_BUS(bus)->hw_base + ofs);
}
static void iwl_pci_write32(struct iwl_bus *bus, u32 ofs, u32 val)
{
iowrite32(val, IWL_BUS_GET_PCI_BUS(bus)->hw_base + ofs);
}
static u32 iwl_pci_read32(struct iwl_bus *bus, u32 ofs)
{
u32 val = ioread32(IWL_BUS_GET_PCI_BUS(bus)->hw_base + ofs);
return val;
}
static struct iwl_bus_ops pci_ops = {
.set_drv_data = iwl_pci_set_drv_data,
.get_dev = iwl_pci_get_dev,
.write8 = iwl_pci_write8,
.write32 = iwl_pci_write32,
.read32 = iwl_pci_read32,
};
#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)},
/* 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, 0x4026, iwl2000_2bg_cfg)},
{IWL_PCI_DEVICE(0x0891, 0x4226, iwl2000_2bg_cfg)},
{IWL_PCI_DEVICE(0x0890, 0x4426, iwl2000_2bg_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)},
{IWL_PCI_DEVICE(0x0887, 0x4066, iwl2030_2bg_cfg)},
{IWL_PCI_DEVICE(0x0888, 0x4266, iwl2030_2bg_cfg)},
{IWL_PCI_DEVICE(0x0887, 0x4466, iwl2030_2bg_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, 0x4064, iwl6035_2abg_cfg)},
{IWL_PCI_DEVICE(0x088F, 0x4264, iwl6035_2abg_cfg)},
{IWL_PCI_DEVICE(0x088E, 0x4464, iwl6035_2abg_cfg)},
{IWL_PCI_DEVICE(0x088E, 0x4066, iwl6035_2bg_cfg)},
{IWL_PCI_DEVICE(0x088F, 0x4266, iwl6035_2bg_cfg)},
{IWL_PCI_DEVICE(0x088E, 0x4466, iwl6035_2bg_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, 0x0026, iwl105_bg_cfg)},
{IWL_PCI_DEVICE(0x0895, 0x0226, iwl105_bg_cfg)},
{IWL_PCI_DEVICE(0x0894, 0x0426, iwl105_bg_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)},
{IWL_PCI_DEVICE(0x0892, 0x0066, iwl135_bg_cfg)},
{IWL_PCI_DEVICE(0x0893, 0x0266, iwl135_bg_cfg)},
{IWL_PCI_DEVICE(0x0892, 0x0466, iwl135_bg_cfg)},
{0}
};
MODULE_DEVICE_TABLE(pci, iwl_hw_card_ids);
static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data);
struct iwl_pci_bus *bus;
u8 rev_id;
u16 pci_cmd;
int err;
bus = kzalloc(sizeof(*bus), GFP_KERNEL);
if (!bus) {
pr_err("Couldn't allocate iwl_pci_bus");
err = -ENOMEM;
goto out_no_pci;
}
bus->pci_dev = pdev;
/* W/A - seems to solve weird behavior. We need to remove this if we
* don't want to stay in L1 all the time. This wastes a lot of power */
pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
PCIE_LINK_STATE_CLKPM);
if (pci_enable_device(pdev)) {
err = -ENODEV;
goto out_no_pci;
}
pci_set_master(pdev);
err = pci_set_dma_mask(pdev, DMA_BIT_MASK(36));
if (!err)
err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(36));
if (err) {
err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (!err)
err = pci_set_consistent_dma_mask(pdev,
DMA_BIT_MASK(32));
/* both attempts failed: */
if (err) {
pr_err("No suitable DMA available.\n");
goto out_pci_disable_device;
}
}
err = pci_request_regions(pdev, DRV_NAME);
if (err) {
pr_err("pci_request_regions failed");
goto out_pci_disable_device;
}
bus->hw_base = pci_iomap(pdev, 0, 0);
if (!bus->hw_base) {
pr_err("pci_iomap failed");
err = -ENODEV;
goto out_pci_release_regions;
}
pr_info("pci_resource_len = 0x%08llx\n",
(unsigned long long) pci_resource_len(pdev, 0));
pr_info("pci_resource_base = %p\n", bus->hw_base);
pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
pr_info("HW Revision ID = 0x%X\n", rev_id);
/* 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);
err = pci_enable_msi(pdev);
if (err) {
pr_err("pci_enable_msi failed");
goto out_iounmap;
}
/* TODO: Move this away, not needed if not MSI */
/* enable rfkill interrupt: hw bug w/a */
pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
if (pci_cmd & PCI_COMMAND_INTX_DISABLE) {
pci_cmd &= ~PCI_COMMAND_INTX_DISABLE;
pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
}
err = iwl_probe((void *) bus, &pci_ops, cfg);
if (err)
goto out_disable_msi;
return 0;
out_disable_msi:
pci_disable_msi(pdev);
out_iounmap:
pci_iounmap(pdev, bus->hw_base);
out_pci_release_regions:
pci_set_drvdata(pdev, NULL);
pci_release_regions(pdev);
out_pci_disable_device:
pci_disable_device(pdev);
out_no_pci:
kfree(bus);
return err;
}
static void iwl_pci_down(void *bus)
{
struct iwl_pci_bus *pci_bus = (struct iwl_pci_bus *) bus;
pci_disable_msi(pci_bus->pci_dev);
pci_iounmap(pci_bus->pci_dev, pci_bus->hw_base);
pci_release_regions(pci_bus->pci_dev);
pci_disable_device(pci_bus->pci_dev);
pci_set_drvdata(pci_bus->pci_dev, NULL);
kfree(pci_bus);
}
static void __devexit iwl_pci_remove(struct pci_dev *pdev)
{
struct iwl_priv *priv = pci_get_drvdata(pdev);
/* This can happen if probe failed */
if (unlikely(!priv))
return;
iwl_remove(priv);
iwl_pci_down(IWL_BUS_GET_PCI_BUS(&priv->bus));
}
#ifdef CONFIG_PM
static int iwl_pci_suspend(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
struct iwl_priv *priv = pci_get_drvdata(pdev);
return iwl_suspend(priv);
}
static int iwl_pci_resume(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
struct iwl_priv *priv = pci_get_drvdata(pdev);
/*
* 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_resume(priv);
}
static const struct dev_pm_ops iwl_dev_pm_ops = {
.suspend = iwl_pci_suspend,
.resume = iwl_pci_resume,
.freeze = iwl_pci_suspend,
.thaw = iwl_pci_resume,
.poweroff = iwl_pci_suspend,
.restore = 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);
}
