drivers/net/wireless/iwlwifi/iwl-pci.c

   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  *
   8  * Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved.
   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  *
  33  * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved.
  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  *****************************************************************************/
  63 #include <linux/module.h>
  64 #include <linux/pci.h>
  65 #include <linux/pci-aspm.h>
  66
  67 #include "iwl-bus.h"
  68 #include "iwl-io.h"
  69 #include "iwl-shared.h"
  70 #include "iwl-trans.h"
  71 #include "iwl-csr.h"
  72 #include "iwl-cfg.h"
  73
  74 /* PCI registers */
  75 #define PCI_CFG_RETRY_TIMEOUT   0x041
  76 #define PCI_CFG_LINK_CTRL_VAL_L0S_EN    0x01
  77 #define PCI_CFG_LINK_CTRL_VAL_L1_EN     0x02
  78
  79 struct iwl_pci_bus {
  80         /* basic pci-network driver stuff */
  81         struct pci_dev *pci_dev;
  82 };
  83
  84 #define IWL_BUS_GET_PCI_BUS(_iwl_bus) \
  85                         ((struct iwl_pci_bus *) ((_iwl_bus)->bus_specific))
  86
  87 #define IWL_BUS_GET_PCI_DEV(_iwl_bus) \
  88                         ((IWL_BUS_GET_PCI_BUS(_iwl_bus))->pci_dev)
  89
  90 static u16 iwl_pciexp_link_ctrl(struct iwl_bus *bus)
  91 {
  92         int pos;
  93         u16 pci_lnk_ctl;
  94
  95         struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus);
  96
  97         pos = pci_pcie_cap(pci_dev);
  98         pci_read_config_word(pci_dev, pos + PCI_EXP_LNKCTL, &pci_lnk_ctl);
  99         return pci_lnk_ctl;
 100 }
 101
 102 static bool iwl_pci_is_pm_supported(struct iwl_bus *bus)
 103 {
 104         u16 lctl = iwl_pciexp_link_ctrl(bus);
 105
 106         return !(lctl & PCI_CFG_LINK_CTRL_VAL_L0S_EN);
 107 }
 108
 109 static void iwl_pci_apm_config(struct iwl_bus *bus)
 110 {
 111         /*
 112          * HW bug W/A for instability in PCIe bus L0S->L1 transition.
 113          * Check if BIOS (or OS) enabled L1-ASPM on this device.
 114          * If so (likely), disable L0S, so device moves directly L0->L1;
 115          *    costs negligible amount of power savings.
 116          * If not (unlikely), enable L0S, so there is at least some
 117          *    power savings, even without L1.
 118          */
 119         u16 lctl = iwl_pciexp_link_ctrl(bus);
 120
 121         if ((lctl & PCI_CFG_LINK_CTRL_VAL_L1_EN) ==
 122                                 PCI_CFG_LINK_CTRL_VAL_L1_EN) {
 123                 /* L1-ASPM enabled; disable(!) L0S */
 124                 iwl_set_bit(trans(bus), CSR_GIO_REG,
 125                                 CSR_GIO_REG_VAL_L0S_ENABLED);
 126                 dev_printk(KERN_INFO, trans(bus)->dev,
 127                            "L1 Enabled; Disabling L0S\n");
 128         } else {
 129                 /* L1-ASPM disabled; enable(!) L0S */
 130                 iwl_clear_bit(trans(bus), CSR_GIO_REG,
 131                                 CSR_GIO_REG_VAL_L0S_ENABLED);
 132                 dev_printk(KERN_INFO, trans(bus)->dev,
 133                            "L1 Disabled; Enabling L0S\n");
 134         }
 135 }
 136
 137 static void iwl_pci_get_hw_id_string(struct iwl_bus *bus, char buf[],
 138                               int buf_len)
 139 {
 140         struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus);
 141
 142         snprintf(buf, buf_len, "PCI ID: 0x%04X:0x%04X", pci_dev->device,
 143                  pci_dev->subsystem_device);
 144 }
 145
 146 static u32 iwl_pci_get_hw_id(struct iwl_bus *bus)
 147 {
 148         struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus);
 149
 150         return (pci_dev->device << 16) + pci_dev->subsystem_device;
 151 }
 152
 153 static const struct iwl_bus_ops bus_ops_pci = {
 154         .get_pm_support = iwl_pci_is_pm_supported,
 155         .apm_config = iwl_pci_apm_config,
 156         .get_hw_id_string = iwl_pci_get_hw_id_string,
 157         .get_hw_id = iwl_pci_get_hw_id,
 158 };
 159
 160 #define IWL_PCI_DEVICE(dev, subdev, cfg) \
 161         .vendor = PCI_VENDOR_ID_INTEL,  .device = (dev), \
 162         .subvendor = PCI_ANY_ID, .subdevice = (subdev), \
 163         .driver_data = (kernel_ulong_t)&(cfg)
 164
 165 /* Hardware specific file defines the PCI IDs table for that hardware module */
 166 static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = {
 167         {IWL_PCI_DEVICE(0x4232, 0x1201, iwl5100_agn_cfg)}, /* Mini Card */
 168         {IWL_PCI_DEVICE(0x4232, 0x1301, iwl5100_agn_cfg)}, /* Half Mini Card */
 169         {IWL_PCI_DEVICE(0x4232, 0x1204, iwl5100_agn_cfg)}, /* Mini Card */
 170         {IWL_PCI_DEVICE(0x4232, 0x1304, iwl5100_agn_cfg)}, /* Half Mini Card */
 171         {IWL_PCI_DEVICE(0x4232, 0x1205, iwl5100_bgn_cfg)}, /* Mini Card */
 172         {IWL_PCI_DEVICE(0x4232, 0x1305, iwl5100_bgn_cfg)}, /* Half Mini Card */
 173         {IWL_PCI_DEVICE(0x4232, 0x1206, iwl5100_abg_cfg)}, /* Mini Card */
 174         {IWL_PCI_DEVICE(0x4232, 0x1306, iwl5100_abg_cfg)}, /* Half Mini Card */
 175         {IWL_PCI_DEVICE(0x4232, 0x1221, iwl5100_agn_cfg)}, /* Mini Card */
 176         {IWL_PCI_DEVICE(0x4232, 0x1321, iwl5100_agn_cfg)}, /* Half Mini Card */
 177         {IWL_PCI_DEVICE(0x4232, 0x1224, iwl5100_agn_cfg)}, /* Mini Card */
 178         {IWL_PCI_DEVICE(0x4232, 0x1324, iwl5100_agn_cfg)}, /* Half Mini Card */
 179         {IWL_PCI_DEVICE(0x4232, 0x1225, iwl5100_bgn_cfg)}, /* Mini Card */
 180         {IWL_PCI_DEVICE(0x4232, 0x1325, iwl5100_bgn_cfg)}, /* Half Mini Card */
 181         {IWL_PCI_DEVICE(0x4232, 0x1226, iwl5100_abg_cfg)}, /* Mini Card */
 182         {IWL_PCI_DEVICE(0x4232, 0x1326, iwl5100_abg_cfg)}, /* Half Mini Card */
 183         {IWL_PCI_DEVICE(0x4237, 0x1211, iwl5100_agn_cfg)}, /* Mini Card */
 184         {IWL_PCI_DEVICE(0x4237, 0x1311, iwl5100_agn_cfg)}, /* Half Mini Card */
 185         {IWL_PCI_DEVICE(0x4237, 0x1214, iwl5100_agn_cfg)}, /* Mini Card */
 186         {IWL_PCI_DEVICE(0x4237, 0x1314, iwl5100_agn_cfg)}, /* Half Mini Card */
 187         {IWL_PCI_DEVICE(0x4237, 0x1215, iwl5100_bgn_cfg)}, /* Mini Card */
 188         {IWL_PCI_DEVICE(0x4237, 0x1315, iwl5100_bgn_cfg)}, /* Half Mini Card */
 189         {IWL_PCI_DEVICE(0x4237, 0x1216, iwl5100_abg_cfg)}, /* Mini Card */
 190         {IWL_PCI_DEVICE(0x4237, 0x1316, iwl5100_abg_cfg)}, /* Half Mini Card */
 191
 192 /* 5300 Series WiFi */
 193         {IWL_PCI_DEVICE(0x4235, 0x1021, iwl5300_agn_cfg)}, /* Mini Card */
 194         {IWL_PCI_DEVICE(0x4235, 0x1121, iwl5300_agn_cfg)}, /* Half Mini Card */
 195         {IWL_PCI_DEVICE(0x4235, 0x1024, iwl5300_agn_cfg)}, /* Mini Card */
 196         {IWL_PCI_DEVICE(0x4235, 0x1124, iwl5300_agn_cfg)}, /* Half Mini Card */
 197         {IWL_PCI_DEVICE(0x4235, 0x1001, iwl5300_agn_cfg)}, /* Mini Card */
 198         {IWL_PCI_DEVICE(0x4235, 0x1101, iwl5300_agn_cfg)}, /* Half Mini Card */
 199         {IWL_PCI_DEVICE(0x4235, 0x1004, iwl5300_agn_cfg)}, /* Mini Card */
 200         {IWL_PCI_DEVICE(0x4235, 0x1104, iwl5300_agn_cfg)}, /* Half Mini Card */
 201         {IWL_PCI_DEVICE(0x4236, 0x1011, iwl5300_agn_cfg)}, /* Mini Card */
 202         {IWL_PCI_DEVICE(0x4236, 0x1111, iwl5300_agn_cfg)}, /* Half Mini Card */
 203         {IWL_PCI_DEVICE(0x4236, 0x1014, iwl5300_agn_cfg)}, /* Mini Card */
 204         {IWL_PCI_DEVICE(0x4236, 0x1114, iwl5300_agn_cfg)}, /* Half Mini Card */
 205
 206 /* 5350 Series WiFi/WiMax */
 207         {IWL_PCI_DEVICE(0x423A, 0x1001, iwl5350_agn_cfg)}, /* Mini Card */
 208         {IWL_PCI_DEVICE(0x423A, 0x1021, iwl5350_agn_cfg)}, /* Mini Card */
 209         {IWL_PCI_DEVICE(0x423B, 0x1011, iwl5350_agn_cfg)}, /* Mini Card */
 210
 211 /* 5150 Series Wifi/WiMax */
 212         {IWL_PCI_DEVICE(0x423C, 0x1201, iwl5150_agn_cfg)}, /* Mini Card */
 213         {IWL_PCI_DEVICE(0x423C, 0x1301, iwl5150_agn_cfg)}, /* Half Mini Card */
 214         {IWL_PCI_DEVICE(0x423C, 0x1206, iwl5150_abg_cfg)}, /* Mini Card */
 215         {IWL_PCI_DEVICE(0x423C, 0x1306, iwl5150_abg_cfg)}, /* Half Mini Card */
 216         {IWL_PCI_DEVICE(0x423C, 0x1221, iwl5150_agn_cfg)}, /* Mini Card */
 217         {IWL_PCI_DEVICE(0x423C, 0x1321, iwl5150_agn_cfg)}, /* Half Mini Card */
 218
 219         {IWL_PCI_DEVICE(0x423D, 0x1211, iwl5150_agn_cfg)}, /* Mini Card */
 220         {IWL_PCI_DEVICE(0x423D, 0x1311, iwl5150_agn_cfg)}, /* Half Mini Card */
 221         {IWL_PCI_DEVICE(0x423D, 0x1216, iwl5150_abg_cfg)}, /* Mini Card */
 222         {IWL_PCI_DEVICE(0x423D, 0x1316, iwl5150_abg_cfg)}, /* Half Mini Card */
 223
 224 /* 6x00 Series */
 225         {IWL_PCI_DEVICE(0x422B, 0x1101, iwl6000_3agn_cfg)},
 226         {IWL_PCI_DEVICE(0x422B, 0x1121, iwl6000_3agn_cfg)},
 227         {IWL_PCI_DEVICE(0x422C, 0x1301, iwl6000i_2agn_cfg)},
 228         {IWL_PCI_DEVICE(0x422C, 0x1306, iwl6000i_2abg_cfg)},
 229         {IWL_PCI_DEVICE(0x422C, 0x1307, iwl6000i_2bg_cfg)},
 230         {IWL_PCI_DEVICE(0x422C, 0x1321, iwl6000i_2agn_cfg)},
 231         {IWL_PCI_DEVICE(0x422C, 0x1326, iwl6000i_2abg_cfg)},
 232         {IWL_PCI_DEVICE(0x4238, 0x1111, iwl6000_3agn_cfg)},
 233         {IWL_PCI_DEVICE(0x4239, 0x1311, iwl6000i_2agn_cfg)},
 234         {IWL_PCI_DEVICE(0x4239, 0x1316, iwl6000i_2abg_cfg)},
 235
 236 /* 6x05 Series */
 237         {IWL_PCI_DEVICE(0x0082, 0x1301, iwl6005_2agn_cfg)},
 238         {IWL_PCI_DEVICE(0x0082, 0x1306, iwl6005_2abg_cfg)},
 239         {IWL_PCI_DEVICE(0x0082, 0x1307, iwl6005_2bg_cfg)},
 240         {IWL_PCI_DEVICE(0x0082, 0x1321, iwl6005_2agn_cfg)},
 241         {IWL_PCI_DEVICE(0x0082, 0x1326, iwl6005_2abg_cfg)},
 242         {IWL_PCI_DEVICE(0x0085, 0x1311, iwl6005_2agn_cfg)},
 243         {IWL_PCI_DEVICE(0x0085, 0x1316, iwl6005_2abg_cfg)},
 244         {IWL_PCI_DEVICE(0x0082, 0xC020, iwl6005_2agn_sff_cfg)},
 245         {IWL_PCI_DEVICE(0x0085, 0xC220, iwl6005_2agn_sff_cfg)},
 246         {IWL_PCI_DEVICE(0x0082, 0x1341, iwl6005_2agn_d_cfg)},
 247         {IWL_PCI_DEVICE(0x0082, 0x1304, iwl6005_2agn_cfg)},/* low 5GHz active */
 248         {IWL_PCI_DEVICE(0x0082, 0x1305, iwl6005_2agn_cfg)},/* high 5GHz active */
 249
 250 /* 6x30 Series */
 251         {IWL_PCI_DEVICE(0x008A, 0x5305, iwl1030_bgn_cfg)},
 252         {IWL_PCI_DEVICE(0x008A, 0x5307, iwl1030_bg_cfg)},
 253         {IWL_PCI_DEVICE(0x008A, 0x5325, iwl1030_bgn_cfg)},
 254         {IWL_PCI_DEVICE(0x008A, 0x5327, iwl1030_bg_cfg)},
 255         {IWL_PCI_DEVICE(0x008B, 0x5315, iwl1030_bgn_cfg)},
 256         {IWL_PCI_DEVICE(0x008B, 0x5317, iwl1030_bg_cfg)},
 257         {IWL_PCI_DEVICE(0x0090, 0x5211, iwl6030_2agn_cfg)},
 258         {IWL_PCI_DEVICE(0x0090, 0x5215, iwl6030_2bgn_cfg)},
 259         {IWL_PCI_DEVICE(0x0090, 0x5216, iwl6030_2abg_cfg)},
 260         {IWL_PCI_DEVICE(0x0091, 0x5201, iwl6030_2agn_cfg)},
 261         {IWL_PCI_DEVICE(0x0091, 0x5205, iwl6030_2bgn_cfg)},
 262         {IWL_PCI_DEVICE(0x0091, 0x5206, iwl6030_2abg_cfg)},
 263         {IWL_PCI_DEVICE(0x0091, 0x5207, iwl6030_2bg_cfg)},
 264         {IWL_PCI_DEVICE(0x0091, 0x5221, iwl6030_2agn_cfg)},
 265         {IWL_PCI_DEVICE(0x0091, 0x5225, iwl6030_2bgn_cfg)},
 266         {IWL_PCI_DEVICE(0x0091, 0x5226, iwl6030_2abg_cfg)},
 267
 268 /* 6x50 WiFi/WiMax Series */
 269         {IWL_PCI_DEVICE(0x0087, 0x1301, iwl6050_2agn_cfg)},
 270         {IWL_PCI_DEVICE(0x0087, 0x1306, iwl6050_2abg_cfg)},
 271         {IWL_PCI_DEVICE(0x0087, 0x1321, iwl6050_2agn_cfg)},
 272         {IWL_PCI_DEVICE(0x0087, 0x1326, iwl6050_2abg_cfg)},
 273         {IWL_PCI_DEVICE(0x0089, 0x1311, iwl6050_2agn_cfg)},
 274         {IWL_PCI_DEVICE(0x0089, 0x1316, iwl6050_2abg_cfg)},
 275
 276 /* 6150 WiFi/WiMax Series */
 277         {IWL_PCI_DEVICE(0x0885, 0x1305, iwl6150_bgn_cfg)},
 278         {IWL_PCI_DEVICE(0x0885, 0x1307, iwl6150_bg_cfg)},
 279         {IWL_PCI_DEVICE(0x0885, 0x1325, iwl6150_bgn_cfg)},
 280         {IWL_PCI_DEVICE(0x0885, 0x1327, iwl6150_bg_cfg)},
 281         {IWL_PCI_DEVICE(0x0886, 0x1315, iwl6150_bgn_cfg)},
 282         {IWL_PCI_DEVICE(0x0886, 0x1317, iwl6150_bg_cfg)},
 283
 284 /* 1000 Series WiFi */
 285         {IWL_PCI_DEVICE(0x0083, 0x1205, iwl1000_bgn_cfg)},
 286         {IWL_PCI_DEVICE(0x0083, 0x1305, iwl1000_bgn_cfg)},
 287         {IWL_PCI_DEVICE(0x0083, 0x1225, iwl1000_bgn_cfg)},
 288         {IWL_PCI_DEVICE(0x0083, 0x1325, iwl1000_bgn_cfg)},
 289         {IWL_PCI_DEVICE(0x0084, 0x1215, iwl1000_bgn_cfg)},
 290         {IWL_PCI_DEVICE(0x0084, 0x1315, iwl1000_bgn_cfg)},
 291         {IWL_PCI_DEVICE(0x0083, 0x1206, iwl1000_bg_cfg)},
 292         {IWL_PCI_DEVICE(0x0083, 0x1306, iwl1000_bg_cfg)},
 293         {IWL_PCI_DEVICE(0x0083, 0x1226, iwl1000_bg_cfg)},
 294         {IWL_PCI_DEVICE(0x0083, 0x1326, iwl1000_bg_cfg)},
 295         {IWL_PCI_DEVICE(0x0084, 0x1216, iwl1000_bg_cfg)},
 296         {IWL_PCI_DEVICE(0x0084, 0x1316, iwl1000_bg_cfg)},
 297
 298 /* 100 Series WiFi */
 299         {IWL_PCI_DEVICE(0x08AE, 0x1005, iwl100_bgn_cfg)},
 300         {IWL_PCI_DEVICE(0x08AE, 0x1007, iwl100_bg_cfg)},
 301         {IWL_PCI_DEVICE(0x08AF, 0x1015, iwl100_bgn_cfg)},
 302         {IWL_PCI_DEVICE(0x08AF, 0x1017, iwl100_bg_cfg)},
 303         {IWL_PCI_DEVICE(0x08AE, 0x1025, iwl100_bgn_cfg)},
 304         {IWL_PCI_DEVICE(0x08AE, 0x1027, iwl100_bg_cfg)},
 305
 306 /* 130 Series WiFi */
 307         {IWL_PCI_DEVICE(0x0896, 0x5005, iwl130_bgn_cfg)},
 308         {IWL_PCI_DEVICE(0x0896, 0x5007, iwl130_bg_cfg)},
 309         {IWL_PCI_DEVICE(0x0897, 0x5015, iwl130_bgn_cfg)},
 310         {IWL_PCI_DEVICE(0x0897, 0x5017, iwl130_bg_cfg)},
 311         {IWL_PCI_DEVICE(0x0896, 0x5025, iwl130_bgn_cfg)},
 312         {IWL_PCI_DEVICE(0x0896, 0x5027, iwl130_bg_cfg)},
 313
 314 /* 2x00 Series */
 315         {IWL_PCI_DEVICE(0x0890, 0x4022, iwl2000_2bgn_cfg)},
 316         {IWL_PCI_DEVICE(0x0891, 0x4222, iwl2000_2bgn_cfg)},
 317         {IWL_PCI_DEVICE(0x0890, 0x4422, iwl2000_2bgn_cfg)},
 318         {IWL_PCI_DEVICE(0x0890, 0x4822, iwl2000_2bgn_d_cfg)},
 319
 320 /* 2x30 Series */
 321         {IWL_PCI_DEVICE(0x0887, 0x4062, iwl2030_2bgn_cfg)},
 322         {IWL_PCI_DEVICE(0x0888, 0x4262, iwl2030_2bgn_cfg)},
 323         {IWL_PCI_DEVICE(0x0887, 0x4462, iwl2030_2bgn_cfg)},
 324
 325 /* 6x35 Series */
 326         {IWL_PCI_DEVICE(0x088E, 0x4060, iwl6035_2agn_cfg)},
 327         {IWL_PCI_DEVICE(0x088F, 0x4260, iwl6035_2agn_cfg)},
 328         {IWL_PCI_DEVICE(0x088E, 0x4460, iwl6035_2agn_cfg)},
 329
 330 /* 105 Series */
 331         {IWL_PCI_DEVICE(0x0894, 0x0022, iwl105_bgn_cfg)},
 332         {IWL_PCI_DEVICE(0x0895, 0x0222, iwl105_bgn_cfg)},
 333         {IWL_PCI_DEVICE(0x0894, 0x0422, iwl105_bgn_cfg)},
 334         {IWL_PCI_DEVICE(0x0894, 0x0822, iwl105_bgn_d_cfg)},
 335
 336 /* 135 Series */
 337         {IWL_PCI_DEVICE(0x0892, 0x0062, iwl135_bgn_cfg)},
 338         {IWL_PCI_DEVICE(0x0893, 0x0262, iwl135_bgn_cfg)},
 339         {IWL_PCI_DEVICE(0x0892, 0x0462, iwl135_bgn_cfg)},
 340
 341         {0}
 342 };
 343 MODULE_DEVICE_TABLE(pci, iwl_hw_card_ids);
 344
 345 static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 346 {
 347         struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data);
 348         struct iwl_bus *bus;
 349         struct iwl_pci_bus *pci_bus;
 350         int err;
 351
 352         bus = kzalloc(sizeof(*bus) + sizeof(*pci_bus), GFP_KERNEL);
 353         if (!bus) {
 354                 dev_printk(KERN_ERR, &pdev->dev,
 355                            "Couldn't allocate iwl_pci_bus");
 356                 return -ENOMEM;
 357         }
 358
 359         bus->shrd = kzalloc(sizeof(*bus->shrd), GFP_KERNEL);
 360         if (!bus->shrd) {
 361                 dev_printk(KERN_ERR, &pdev->dev,
 362                            "Couldn't allocate iwl_shared");
 363                 err = -ENOMEM;
 364                 goto out_free_bus;
 365         }
 366
 367         bus->shrd->bus = bus;
 368         pci_bus = IWL_BUS_GET_PCI_BUS(bus);
 369         pci_bus->pci_dev = pdev;
 370
 371         pci_set_drvdata(pdev, bus);
 372
 373         bus->ops = &bus_ops_pci;
 374
 375 #ifdef CONFIG_IWLWIFI_IDI
 376         trans(bus) = iwl_trans_idi_alloc(bus->shrd, pdev, ent);
 377         if (trans(bus) == NULL) {
 378                 err = -ENOMEM;
 379                 goto out_free_bus;
 380         }
 381
 382         err = iwl_probe(bus, &trans_ops_idi, cfg);
 383 #else
 384         trans(bus) = iwl_trans_pcie_alloc(bus->shrd, pdev, ent);
 385         if (trans(bus) == NULL) {
 386                 err = -ENOMEM;
 387                 goto out_free_bus;
 388         }
 389
 390         err = iwl_probe(bus, &trans_ops_pcie, cfg);
 391 #endif
 392         if (err)
 393                 goto out_free_trans;
 394
 395         return 0;
 396
 397 out_free_trans:
 398         iwl_trans_free(trans(bus));
 399         pci_set_drvdata(pdev, NULL);
 400 out_free_bus:
 401         kfree(bus->shrd);
 402         kfree(bus);
 403         return err;
 404 }
 405
 406 static void __devexit iwl_pci_remove(struct pci_dev *pdev)
 407 {
 408         struct iwl_bus *bus = pci_get_drvdata(pdev);
 409         struct iwl_shared *shrd = bus->shrd;
 410
 411         iwl_remove(shrd->priv);
 412         iwl_trans_free(shrd->trans);
 413
 414         pci_set_drvdata(pdev, NULL);
 415
 416         kfree(bus->shrd);
 417         kfree(bus);
 418 }
 419
 420 #ifdef CONFIG_PM_SLEEP
 421
 422 static int iwl_pci_suspend(struct device *device)
 423 {
 424         struct pci_dev *pdev = to_pci_dev(device);
 425         struct iwl_bus *bus = pci_get_drvdata(pdev);
 426         struct iwl_shared *shrd = bus->shrd;
 427
 428         /* Before you put code here, think about WoWLAN. You cannot check here
 429          * whether WoWLAN is enabled or not, and your code will run even if
 430          * WoWLAN is enabled - don't kill the NIC, someone may need it in Sx.
 431          */
 432
 433         return iwl_trans_suspend(shrd->trans);
 434 }
 435
 436 static int iwl_pci_resume(struct device *device)
 437 {
 438         struct pci_dev *pdev = to_pci_dev(device);
 439         struct iwl_bus *bus = pci_get_drvdata(pdev);
 440         struct iwl_shared *shrd = bus->shrd;
 441
 442         /* Before you put code here, think about WoWLAN. You cannot check here
 443          * whether WoWLAN is enabled or not, and your code will run even if
 444          * WoWLAN is enabled - the NIC may be alive.
 445          */
 446
 447         /*
 448          * We disable the RETRY_TIMEOUT register (0x41) to keep
 449          * PCI Tx retries from interfering with C3 CPU state.
 450          */
 451         pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
 452
 453         return iwl_trans_resume(shrd->trans);
 454 }
 455
 456 static SIMPLE_DEV_PM_OPS(iwl_dev_pm_ops, iwl_pci_suspend, iwl_pci_resume);
 457
 458 #define IWL_PM_OPS      (&iwl_dev_pm_ops)
 459
 460 #else
 461
 462 #define IWL_PM_OPS      NULL
 463
 464 #endif
 465
 466 static struct pci_driver iwl_pci_driver = {
 467         .name = DRV_NAME,
 468         .id_table = iwl_hw_card_ids,
 469         .probe = iwl_pci_probe,
 470         .remove = __devexit_p(iwl_pci_remove),
 471         .driver.pm = IWL_PM_OPS,
 472 };
 473
 474 int __must_check iwl_pci_register_driver(void)
 475 {
 476         int ret;
 477         ret = pci_register_driver(&iwl_pci_driver);
 478         if (ret)
 479                 pr_err("Unable to initialize PCI module\n");
 480
 481         return ret;
 482 }
 483
 484 void iwl_pci_unregister_driver(void)
 485 {
 486         pci_unregister_driver(&iwl_pci_driver);
 487 }