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.
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  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
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  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  *
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  32  *
  33  * Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved.
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  37  * modification, are permitted provided that the following conditions
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  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.
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  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, bus->dev, "L1 Enabled; Disabling L0S\n");
 127         } else {
 128                 /* L1-ASPM disabled; enable(!) L0S */
 129                 iwl_clear_bit(trans(bus), CSR_GIO_REG,
 130                                 CSR_GIO_REG_VAL_L0S_ENABLED);
 131                 dev_printk(KERN_INFO, bus->dev, "L1 Disabled; Enabling L0S\n");
 132         }
 133 }
 134
 135 static void iwl_pci_get_hw_id_string(struct iwl_bus *bus, char buf[],
 136                               int buf_len)
 137 {
 138         struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus);
 139
 140         snprintf(buf, buf_len, "PCI ID: 0x%04X:0x%04X", pci_dev->device,
 141                  pci_dev->subsystem_device);
 142 }
 143
 144 static u32 iwl_pci_get_hw_id(struct iwl_bus *bus)
 145 {
 146         struct pci_dev *pci_dev = IWL_BUS_GET_PCI_DEV(bus);
 147
 148         return (pci_dev->device << 16) + pci_dev->subsystem_device;
 149 }
 150
 151 static const struct iwl_bus_ops bus_ops_pci = {
 152         .get_pm_support = iwl_pci_is_pm_supported,
 153         .apm_config = iwl_pci_apm_config,
 154         .get_hw_id_string = iwl_pci_get_hw_id_string,
 155         .get_hw_id = iwl_pci_get_hw_id,
 156 };
 157
 158 #define IWL_PCI_DEVICE(dev, subdev, cfg) \
 159         .vendor = PCI_VENDOR_ID_INTEL,  .device = (dev), \
 160         .subvendor = PCI_ANY_ID, .subdevice = (subdev), \
 161         .driver_data = (kernel_ulong_t)&(cfg)
 162
 163 /* Hardware specific file defines the PCI IDs table for that hardware module */
 164 static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = {
 165         {IWL_PCI_DEVICE(0x4232, 0x1201, iwl5100_agn_cfg)}, /* Mini Card */
 166         {IWL_PCI_DEVICE(0x4232, 0x1301, iwl5100_agn_cfg)}, /* Half Mini Card */
 167         {IWL_PCI_DEVICE(0x4232, 0x1204, iwl5100_agn_cfg)}, /* Mini Card */
 168         {IWL_PCI_DEVICE(0x4232, 0x1304, iwl5100_agn_cfg)}, /* Half Mini Card */
 169         {IWL_PCI_DEVICE(0x4232, 0x1205, iwl5100_bgn_cfg)}, /* Mini Card */
 170         {IWL_PCI_DEVICE(0x4232, 0x1305, iwl5100_bgn_cfg)}, /* Half Mini Card */
 171         {IWL_PCI_DEVICE(0x4232, 0x1206, iwl5100_abg_cfg)}, /* Mini Card */
 172         {IWL_PCI_DEVICE(0x4232, 0x1306, iwl5100_abg_cfg)}, /* Half Mini Card */
 173         {IWL_PCI_DEVICE(0x4232, 0x1221, iwl5100_agn_cfg)}, /* Mini Card */
 174         {IWL_PCI_DEVICE(0x4232, 0x1321, iwl5100_agn_cfg)}, /* Half Mini Card */
 175         {IWL_PCI_DEVICE(0x4232, 0x1224, iwl5100_agn_cfg)}, /* Mini Card */
 176         {IWL_PCI_DEVICE(0x4232, 0x1324, iwl5100_agn_cfg)}, /* Half Mini Card */
 177         {IWL_PCI_DEVICE(0x4232, 0x1225, iwl5100_bgn_cfg)}, /* Mini Card */
 178         {IWL_PCI_DEVICE(0x4232, 0x1325, iwl5100_bgn_cfg)}, /* Half Mini Card */
 179         {IWL_PCI_DEVICE(0x4232, 0x1226, iwl5100_abg_cfg)}, /* Mini Card */
 180         {IWL_PCI_DEVICE(0x4232, 0x1326, iwl5100_abg_cfg)}, /* Half Mini Card */
 181         {IWL_PCI_DEVICE(0x4237, 0x1211, iwl5100_agn_cfg)}, /* Mini Card */
 182         {IWL_PCI_DEVICE(0x4237, 0x1311, iwl5100_agn_cfg)}, /* Half Mini Card */
 183         {IWL_PCI_DEVICE(0x4237, 0x1214, iwl5100_agn_cfg)}, /* Mini Card */
 184         {IWL_PCI_DEVICE(0x4237, 0x1314, iwl5100_agn_cfg)}, /* Half Mini Card */
 185         {IWL_PCI_DEVICE(0x4237, 0x1215, iwl5100_bgn_cfg)}, /* Mini Card */
 186         {IWL_PCI_DEVICE(0x4237, 0x1315, iwl5100_bgn_cfg)}, /* Half Mini Card */
 187         {IWL_PCI_DEVICE(0x4237, 0x1216, iwl5100_abg_cfg)}, /* Mini Card */
 188         {IWL_PCI_DEVICE(0x4237, 0x1316, iwl5100_abg_cfg)}, /* Half Mini Card */
 189
 190 /* 5300 Series WiFi */
 191         {IWL_PCI_DEVICE(0x4235, 0x1021, iwl5300_agn_cfg)}, /* Mini Card */
 192         {IWL_PCI_DEVICE(0x4235, 0x1121, iwl5300_agn_cfg)}, /* Half Mini Card */
 193         {IWL_PCI_DEVICE(0x4235, 0x1024, iwl5300_agn_cfg)}, /* Mini Card */
 194         {IWL_PCI_DEVICE(0x4235, 0x1124, iwl5300_agn_cfg)}, /* Half Mini Card */
 195         {IWL_PCI_DEVICE(0x4235, 0x1001, iwl5300_agn_cfg)}, /* Mini Card */
 196         {IWL_PCI_DEVICE(0x4235, 0x1101, iwl5300_agn_cfg)}, /* Half Mini Card */
 197         {IWL_PCI_DEVICE(0x4235, 0x1004, iwl5300_agn_cfg)}, /* Mini Card */
 198         {IWL_PCI_DEVICE(0x4235, 0x1104, iwl5300_agn_cfg)}, /* Half Mini Card */
 199         {IWL_PCI_DEVICE(0x4236, 0x1011, iwl5300_agn_cfg)}, /* Mini Card */
 200         {IWL_PCI_DEVICE(0x4236, 0x1111, iwl5300_agn_cfg)}, /* Half Mini Card */
 201         {IWL_PCI_DEVICE(0x4236, 0x1014, iwl5300_agn_cfg)}, /* Mini Card */
 202         {IWL_PCI_DEVICE(0x4236, 0x1114, iwl5300_agn_cfg)}, /* Half Mini Card */
 203
 204 /* 5350 Series WiFi/WiMax */
 205         {IWL_PCI_DEVICE(0x423A, 0x1001, iwl5350_agn_cfg)}, /* Mini Card */
 206         {IWL_PCI_DEVICE(0x423A, 0x1021, iwl5350_agn_cfg)}, /* Mini Card */
 207         {IWL_PCI_DEVICE(0x423B, 0x1011, iwl5350_agn_cfg)}, /* Mini Card */
 208
 209 /* 5150 Series Wifi/WiMax */
 210         {IWL_PCI_DEVICE(0x423C, 0x1201, iwl5150_agn_cfg)}, /* Mini Card */
 211         {IWL_PCI_DEVICE(0x423C, 0x1301, iwl5150_agn_cfg)}, /* Half Mini Card */
 212         {IWL_PCI_DEVICE(0x423C, 0x1206, iwl5150_abg_cfg)}, /* Mini Card */
 213         {IWL_PCI_DEVICE(0x423C, 0x1306, iwl5150_abg_cfg)}, /* Half Mini Card */
 214         {IWL_PCI_DEVICE(0x423C, 0x1221, iwl5150_agn_cfg)}, /* Mini Card */
 215         {IWL_PCI_DEVICE(0x423C, 0x1321, iwl5150_agn_cfg)}, /* Half Mini Card */
 216
 217         {IWL_PCI_DEVICE(0x423D, 0x1211, iwl5150_agn_cfg)}, /* Mini Card */
 218         {IWL_PCI_DEVICE(0x423D, 0x1311, iwl5150_agn_cfg)}, /* Half Mini Card */
 219         {IWL_PCI_DEVICE(0x423D, 0x1216, iwl5150_abg_cfg)}, /* Mini Card */
 220         {IWL_PCI_DEVICE(0x423D, 0x1316, iwl5150_abg_cfg)}, /* Half Mini Card */
 221
 222 /* 6x00 Series */
 223         {IWL_PCI_DEVICE(0x422B, 0x1101, iwl6000_3agn_cfg)},
 224         {IWL_PCI_DEVICE(0x422B, 0x1121, iwl6000_3agn_cfg)},
 225         {IWL_PCI_DEVICE(0x422C, 0x1301, iwl6000i_2agn_cfg)},
 226         {IWL_PCI_DEVICE(0x422C, 0x1306, iwl6000i_2abg_cfg)},
 227         {IWL_PCI_DEVICE(0x422C, 0x1307, iwl6000i_2bg_cfg)},
 228         {IWL_PCI_DEVICE(0x422C, 0x1321, iwl6000i_2agn_cfg)},
 229         {IWL_PCI_DEVICE(0x422C, 0x1326, iwl6000i_2abg_cfg)},
 230         {IWL_PCI_DEVICE(0x4238, 0x1111, iwl6000_3agn_cfg)},
 231         {IWL_PCI_DEVICE(0x4239, 0x1311, iwl6000i_2agn_cfg)},
 232         {IWL_PCI_DEVICE(0x4239, 0x1316, iwl6000i_2abg_cfg)},
 233
 234 /* 6x05 Series */
 235         {IWL_PCI_DEVICE(0x0082, 0x1301, iwl6005_2agn_cfg)},
 236         {IWL_PCI_DEVICE(0x0082, 0x1306, iwl6005_2abg_cfg)},
 237         {IWL_PCI_DEVICE(0x0082, 0x1307, iwl6005_2bg_cfg)},
 238         {IWL_PCI_DEVICE(0x0082, 0x1321, iwl6005_2agn_cfg)},
 239         {IWL_PCI_DEVICE(0x0082, 0x1326, iwl6005_2abg_cfg)},
 240         {IWL_PCI_DEVICE(0x0085, 0x1311, iwl6005_2agn_cfg)},
 241         {IWL_PCI_DEVICE(0x0085, 0x1316, iwl6005_2abg_cfg)},
 242         {IWL_PCI_DEVICE(0x0082, 0xC020, iwl6005_2agn_sff_cfg)},
 243         {IWL_PCI_DEVICE(0x0085, 0xC220, iwl6005_2agn_sff_cfg)},
 244         {IWL_PCI_DEVICE(0x0082, 0x1341, iwl6005_2agn_d_cfg)},
 245         {IWL_PCI_DEVICE(0x0082, 0x1304, iwl6005_2agn_cfg)},/* low 5GHz active */
 246         {IWL_PCI_DEVICE(0x0082, 0x1305, iwl6005_2agn_cfg)},/* high 5GHz active */
 247
 248 /* 6x30 Series */
 249         {IWL_PCI_DEVICE(0x008A, 0x5305, iwl1030_bgn_cfg)},
 250         {IWL_PCI_DEVICE(0x008A, 0x5307, iwl1030_bg_cfg)},
 251         {IWL_PCI_DEVICE(0x008A, 0x5325, iwl1030_bgn_cfg)},
 252         {IWL_PCI_DEVICE(0x008A, 0x5327, iwl1030_bg_cfg)},
 253         {IWL_PCI_DEVICE(0x008B, 0x5315, iwl1030_bgn_cfg)},
 254         {IWL_PCI_DEVICE(0x008B, 0x5317, iwl1030_bg_cfg)},
 255         {IWL_PCI_DEVICE(0x0090, 0x5211, iwl6030_2agn_cfg)},
 256         {IWL_PCI_DEVICE(0x0090, 0x5215, iwl6030_2bgn_cfg)},
 257         {IWL_PCI_DEVICE(0x0090, 0x5216, iwl6030_2abg_cfg)},
 258         {IWL_PCI_DEVICE(0x0091, 0x5201, iwl6030_2agn_cfg)},
 259         {IWL_PCI_DEVICE(0x0091, 0x5205, iwl6030_2bgn_cfg)},
 260         {IWL_PCI_DEVICE(0x0091, 0x5206, iwl6030_2abg_cfg)},
 261         {IWL_PCI_DEVICE(0x0091, 0x5207, iwl6030_2bg_cfg)},
 262         {IWL_PCI_DEVICE(0x0091, 0x5221, iwl6030_2agn_cfg)},
 263         {IWL_PCI_DEVICE(0x0091, 0x5225, iwl6030_2bgn_cfg)},
 264         {IWL_PCI_DEVICE(0x0091, 0x5226, iwl6030_2abg_cfg)},
 265
 266 /* 6x50 WiFi/WiMax Series */
 267         {IWL_PCI_DEVICE(0x0087, 0x1301, iwl6050_2agn_cfg)},
 268         {IWL_PCI_DEVICE(0x0087, 0x1306, iwl6050_2abg_cfg)},
 269         {IWL_PCI_DEVICE(0x0087, 0x1321, iwl6050_2agn_cfg)},
 270         {IWL_PCI_DEVICE(0x0087, 0x1326, iwl6050_2abg_cfg)},
 271         {IWL_PCI_DEVICE(0x0089, 0x1311, iwl6050_2agn_cfg)},
 272         {IWL_PCI_DEVICE(0x0089, 0x1316, iwl6050_2abg_cfg)},
 273
 274 /* 6150 WiFi/WiMax Series */
 275         {IWL_PCI_DEVICE(0x0885, 0x1305, iwl6150_bgn_cfg)},
 276         {IWL_PCI_DEVICE(0x0885, 0x1307, iwl6150_bg_cfg)},
 277         {IWL_PCI_DEVICE(0x0885, 0x1325, iwl6150_bgn_cfg)},
 278         {IWL_PCI_DEVICE(0x0885, 0x1327, iwl6150_bg_cfg)},
 279         {IWL_PCI_DEVICE(0x0886, 0x1315, iwl6150_bgn_cfg)},
 280         {IWL_PCI_DEVICE(0x0886, 0x1317, iwl6150_bg_cfg)},
 281
 282 /* 1000 Series WiFi */
 283         {IWL_PCI_DEVICE(0x0083, 0x1205, iwl1000_bgn_cfg)},
 284         {IWL_PCI_DEVICE(0x0083, 0x1305, iwl1000_bgn_cfg)},
 285         {IWL_PCI_DEVICE(0x0083, 0x1225, iwl1000_bgn_cfg)},
 286         {IWL_PCI_DEVICE(0x0083, 0x1325, iwl1000_bgn_cfg)},
 287         {IWL_PCI_DEVICE(0x0084, 0x1215, iwl1000_bgn_cfg)},
 288         {IWL_PCI_DEVICE(0x0084, 0x1315, iwl1000_bgn_cfg)},
 289         {IWL_PCI_DEVICE(0x0083, 0x1206, iwl1000_bg_cfg)},
 290         {IWL_PCI_DEVICE(0x0083, 0x1306, iwl1000_bg_cfg)},
 291         {IWL_PCI_DEVICE(0x0083, 0x1226, iwl1000_bg_cfg)},
 292         {IWL_PCI_DEVICE(0x0083, 0x1326, iwl1000_bg_cfg)},
 293         {IWL_PCI_DEVICE(0x0084, 0x1216, iwl1000_bg_cfg)},
 294         {IWL_PCI_DEVICE(0x0084, 0x1316, iwl1000_bg_cfg)},
 295
 296 /* 100 Series WiFi */
 297         {IWL_PCI_DEVICE(0x08AE, 0x1005, iwl100_bgn_cfg)},
 298         {IWL_PCI_DEVICE(0x08AE, 0x1007, iwl100_bg_cfg)},
 299         {IWL_PCI_DEVICE(0x08AF, 0x1015, iwl100_bgn_cfg)},
 300         {IWL_PCI_DEVICE(0x08AF, 0x1017, iwl100_bg_cfg)},
 301         {IWL_PCI_DEVICE(0x08AE, 0x1025, iwl100_bgn_cfg)},
 302         {IWL_PCI_DEVICE(0x08AE, 0x1027, iwl100_bg_cfg)},
 303
 304 /* 130 Series WiFi */
 305         {IWL_PCI_DEVICE(0x0896, 0x5005, iwl130_bgn_cfg)},
 306         {IWL_PCI_DEVICE(0x0896, 0x5007, iwl130_bg_cfg)},
 307         {IWL_PCI_DEVICE(0x0897, 0x5015, iwl130_bgn_cfg)},
 308         {IWL_PCI_DEVICE(0x0897, 0x5017, iwl130_bg_cfg)},
 309         {IWL_PCI_DEVICE(0x0896, 0x5025, iwl130_bgn_cfg)},
 310         {IWL_PCI_DEVICE(0x0896, 0x5027, iwl130_bg_cfg)},
 311
 312 /* 2x00 Series */
 313         {IWL_PCI_DEVICE(0x0890, 0x4022, iwl2000_2bgn_cfg)},
 314         {IWL_PCI_DEVICE(0x0891, 0x4222, iwl2000_2bgn_cfg)},
 315         {IWL_PCI_DEVICE(0x0890, 0x4422, iwl2000_2bgn_cfg)},
 316         {IWL_PCI_DEVICE(0x0890, 0x4822, iwl2000_2bgn_d_cfg)},
 317
 318 /* 2x30 Series */
 319         {IWL_PCI_DEVICE(0x0887, 0x4062, iwl2030_2bgn_cfg)},
 320         {IWL_PCI_DEVICE(0x0888, 0x4262, iwl2030_2bgn_cfg)},
 321         {IWL_PCI_DEVICE(0x0887, 0x4462, iwl2030_2bgn_cfg)},
 322
 323 /* 6x35 Series */
 324         {IWL_PCI_DEVICE(0x088E, 0x4060, iwl6035_2agn_cfg)},
 325         {IWL_PCI_DEVICE(0x088F, 0x4260, iwl6035_2agn_cfg)},
 326         {IWL_PCI_DEVICE(0x088E, 0x4460, iwl6035_2agn_cfg)},
 327
 328 /* 105 Series */
 329         {IWL_PCI_DEVICE(0x0894, 0x0022, iwl105_bgn_cfg)},
 330         {IWL_PCI_DEVICE(0x0895, 0x0222, iwl105_bgn_cfg)},
 331         {IWL_PCI_DEVICE(0x0894, 0x0422, iwl105_bgn_cfg)},
 332         {IWL_PCI_DEVICE(0x0894, 0x0822, iwl105_bgn_d_cfg)},
 333
 334 /* 135 Series */
 335         {IWL_PCI_DEVICE(0x0892, 0x0062, iwl135_bgn_cfg)},
 336         {IWL_PCI_DEVICE(0x0893, 0x0262, iwl135_bgn_cfg)},
 337         {IWL_PCI_DEVICE(0x0892, 0x0462, iwl135_bgn_cfg)},
 338
 339         {0}
 340 };
 341 MODULE_DEVICE_TABLE(pci, iwl_hw_card_ids);
 342
 343 static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 344 {
 345         struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data);
 346         struct iwl_bus *bus;
 347         struct iwl_pci_bus *pci_bus;
 348         int err;
 349
 350         bus = kzalloc(sizeof(*bus) + sizeof(*pci_bus), GFP_KERNEL);
 351         if (!bus) {
 352                 dev_printk(KERN_ERR, &pdev->dev,
 353                            "Couldn't allocate iwl_pci_bus");
 354                 return -ENOMEM;
 355         }
 356
 357         bus->shrd = kzalloc(sizeof(*bus->shrd), GFP_KERNEL);
 358         if (!bus->shrd) {
 359                 dev_printk(KERN_ERR, &pdev->dev,
 360                            "Couldn't allocate iwl_shared");
 361                 err = -ENOMEM;
 362                 goto out_free_bus;
 363         }
 364
 365         bus->shrd->bus = bus;
 366         pci_bus = IWL_BUS_GET_PCI_BUS(bus);
 367         pci_bus->pci_dev = pdev;
 368
 369         pci_set_drvdata(pdev, bus);
 370
 371         bus->dev = &pdev->dev;
 372         bus->ops = &bus_ops_pci;
 373
 374 #ifdef CONFIG_IWLWIFI_IDI
 375         trans(bus) = iwl_trans_idi_alloc(bus->shrd, pdev, ent);
 376         if (trans(bus) == NULL) {
 377                 err = -ENOMEM;
 378                 goto out_free_bus;
 379         }
 380
 381         err = iwl_probe(bus, &trans_ops_idi, cfg);
 382 #else
 383         trans(bus) = iwl_trans_pcie_alloc(bus->shrd, pdev, ent);
 384         if (trans(bus) == NULL) {
 385                 err = -ENOMEM;
 386                 goto out_free_bus;
 387         }
 388
 389         err = iwl_probe(bus, &trans_ops_pcie, cfg);
 390 #endif
 391         if (err)
 392                 goto out_free_trans;
 393
 394         return 0;
 395
 396 out_free_trans:
 397         iwl_trans_free(trans(bus));
 398         pci_set_drvdata(pdev, NULL);
 399 out_free_bus:
 400         kfree(bus->shrd);
 401         kfree(bus);
 402         return err;
 403 }
 404
 405 static void __devexit iwl_pci_remove(struct pci_dev *pdev)
 406 {
 407         struct iwl_bus *bus = pci_get_drvdata(pdev);
 408         struct iwl_shared *shrd = bus->shrd;
 409
 410         iwl_remove(shrd->priv);
 411         iwl_trans_free(shrd->trans);
 412
 413         pci_set_drvdata(pdev, NULL);
 414
 415         kfree(bus->shrd);
 416         kfree(bus);
 417 }
 418
 419 #ifdef CONFIG_PM_SLEEP
 420
 421 static int iwl_pci_suspend(struct device *device)
 422 {
 423         struct pci_dev *pdev = to_pci_dev(device);
 424         struct iwl_bus *bus = pci_get_drvdata(pdev);
 425         struct iwl_shared *shrd = bus->shrd;
 426
 427         /* Before you put code here, think about WoWLAN. You cannot check here
 428          * whether WoWLAN is enabled or not, and your code will run even if
 429          * WoWLAN is enabled - don't kill the NIC, someone may need it in Sx.
 430          */
 431
 432         return iwl_trans_suspend(shrd->trans);
 433 }
 434
 435 static int iwl_pci_resume(struct device *device)
 436 {
 437         struct pci_dev *pdev = to_pci_dev(device);
 438         struct iwl_bus *bus = pci_get_drvdata(pdev);
 439         struct iwl_shared *shrd = bus->shrd;
 440
 441         /* Before you put code here, think about WoWLAN. You cannot check here
 442          * whether WoWLAN is enabled or not, and your code will run even if
 443          * WoWLAN is enabled - the NIC may be alive.
 444          */
 445
 446         /*
 447          * We disable the RETRY_TIMEOUT register (0x41) to keep
 448          * PCI Tx retries from interfering with C3 CPU state.
 449          */
 450         pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
 451
 452         return iwl_trans_resume(shrd->trans);
 453 }
 454
 455 static SIMPLE_DEV_PM_OPS(iwl_dev_pm_ops, iwl_pci_suspend, iwl_pci_resume);
 456
 457 #define IWL_PM_OPS      (&iwl_dev_pm_ops)
 458
 459 #else
 460
 461 #define IWL_PM_OPS      NULL
 462
 463 #endif
 464
 465 static struct pci_driver iwl_pci_driver = {
 466         .name = DRV_NAME,
 467         .id_table = iwl_hw_card_ids,
 468         .probe = iwl_pci_probe,
 469         .remove = __devexit_p(iwl_pci_remove),
 470         .driver.pm = IWL_PM_OPS,
 471 };
 472
 473 int __must_check iwl_pci_register_driver(void)
 474 {
 475         int ret;
 476         ret = pci_register_driver(&iwl_pci_driver);
 477         if (ret)
 478                 pr_err("Unable to initialize PCI module\n");
 479
 480         return ret;
 481 }
 482
 483 void iwl_pci_unregister_driver(void)
 484 {
 485         pci_unregister_driver(&iwl_pci_driver);
 486 }