drivers/net/wireless/iwlwifi/pcie/drv.c

   1 /******************************************************************************
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   4  * redistributing this file, you may do so under either license.
   5  *
   6  * GPL LICENSE SUMMARY
   7  *
   8  * Copyright(c) 2007 - 2013 Intel Corporation. All rights reserved.
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  11  * it under the terms of version 2 of the GNU General Public License as
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  28  *  Intel Linux Wireless <ilw@linux.intel.com>
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  44  *    the documentation and/or other materials provided with the
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  48  *    from this software without specific prior written permission.
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  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,
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  60  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  61  *
  62  *****************************************************************************/
  63
  64 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  65
  66 #include <linux/module.h>
  67 #include <linux/pci.h>
  68 #include <linux/pci-aspm.h>
  69
  70 #include "iwl-trans.h"
  71 #include "iwl-drv.h"
  72 #include "internal.h"
  73
  74 #define IWL_PCI_DEVICE(dev, subdev, cfg) \
  75         .vendor = PCI_VENDOR_ID_INTEL,  .device = (dev), \
  76         .subvendor = PCI_ANY_ID, .subdevice = (subdev), \
  77         .driver_data = (kernel_ulong_t)&(cfg)
  78
  79 /* Hardware specific file defines the PCI IDs table for that hardware module */
  80 static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = {
  81         {IWL_PCI_DEVICE(0x4232, 0x1201, iwl5100_agn_cfg)}, /* Mini Card */
  82         {IWL_PCI_DEVICE(0x4232, 0x1301, iwl5100_agn_cfg)}, /* Half Mini Card */
  83         {IWL_PCI_DEVICE(0x4232, 0x1204, iwl5100_agn_cfg)}, /* Mini Card */
  84         {IWL_PCI_DEVICE(0x4232, 0x1304, iwl5100_agn_cfg)}, /* Half Mini Card */
  85         {IWL_PCI_DEVICE(0x4232, 0x1205, iwl5100_bgn_cfg)}, /* Mini Card */
  86         {IWL_PCI_DEVICE(0x4232, 0x1305, iwl5100_bgn_cfg)}, /* Half Mini Card */
  87         {IWL_PCI_DEVICE(0x4232, 0x1206, iwl5100_abg_cfg)}, /* Mini Card */
  88         {IWL_PCI_DEVICE(0x4232, 0x1306, iwl5100_abg_cfg)}, /* Half Mini Card */
  89         {IWL_PCI_DEVICE(0x4232, 0x1221, iwl5100_agn_cfg)}, /* Mini Card */
  90         {IWL_PCI_DEVICE(0x4232, 0x1321, iwl5100_agn_cfg)}, /* Half Mini Card */
  91         {IWL_PCI_DEVICE(0x4232, 0x1224, iwl5100_agn_cfg)}, /* Mini Card */
  92         {IWL_PCI_DEVICE(0x4232, 0x1324, iwl5100_agn_cfg)}, /* Half Mini Card */
  93         {IWL_PCI_DEVICE(0x4232, 0x1225, iwl5100_bgn_cfg)}, /* Mini Card */
  94         {IWL_PCI_DEVICE(0x4232, 0x1325, iwl5100_bgn_cfg)}, /* Half Mini Card */
  95         {IWL_PCI_DEVICE(0x4232, 0x1226, iwl5100_abg_cfg)}, /* Mini Card */
  96         {IWL_PCI_DEVICE(0x4232, 0x1326, iwl5100_abg_cfg)}, /* Half Mini Card */
  97         {IWL_PCI_DEVICE(0x4237, 0x1211, iwl5100_agn_cfg)}, /* Mini Card */
  98         {IWL_PCI_DEVICE(0x4237, 0x1311, iwl5100_agn_cfg)}, /* Half Mini Card */
  99         {IWL_PCI_DEVICE(0x4237, 0x1214, iwl5100_agn_cfg)}, /* Mini Card */
 100         {IWL_PCI_DEVICE(0x4237, 0x1314, iwl5100_agn_cfg)}, /* Half Mini Card */
 101         {IWL_PCI_DEVICE(0x4237, 0x1215, iwl5100_bgn_cfg)}, /* Mini Card */
 102         {IWL_PCI_DEVICE(0x4237, 0x1315, iwl5100_bgn_cfg)}, /* Half Mini Card */
 103         {IWL_PCI_DEVICE(0x4237, 0x1216, iwl5100_abg_cfg)}, /* Mini Card */
 104         {IWL_PCI_DEVICE(0x4237, 0x1316, iwl5100_abg_cfg)}, /* Half Mini Card */
 105
 106 /* 5300 Series WiFi */
 107         {IWL_PCI_DEVICE(0x4235, 0x1021, iwl5300_agn_cfg)}, /* Mini Card */
 108         {IWL_PCI_DEVICE(0x4235, 0x1121, iwl5300_agn_cfg)}, /* Half Mini Card */
 109         {IWL_PCI_DEVICE(0x4235, 0x1024, iwl5300_agn_cfg)}, /* Mini Card */
 110         {IWL_PCI_DEVICE(0x4235, 0x1124, iwl5300_agn_cfg)}, /* Half Mini Card */
 111         {IWL_PCI_DEVICE(0x4235, 0x1001, iwl5300_agn_cfg)}, /* Mini Card */
 112         {IWL_PCI_DEVICE(0x4235, 0x1101, iwl5300_agn_cfg)}, /* Half Mini Card */
 113         {IWL_PCI_DEVICE(0x4235, 0x1004, iwl5300_agn_cfg)}, /* Mini Card */
 114         {IWL_PCI_DEVICE(0x4235, 0x1104, iwl5300_agn_cfg)}, /* Half Mini Card */
 115         {IWL_PCI_DEVICE(0x4236, 0x1011, iwl5300_agn_cfg)}, /* Mini Card */
 116         {IWL_PCI_DEVICE(0x4236, 0x1111, iwl5300_agn_cfg)}, /* Half Mini Card */
 117         {IWL_PCI_DEVICE(0x4236, 0x1014, iwl5300_agn_cfg)}, /* Mini Card */
 118         {IWL_PCI_DEVICE(0x4236, 0x1114, iwl5300_agn_cfg)}, /* Half Mini Card */
 119
 120 /* 5350 Series WiFi/WiMax */
 121         {IWL_PCI_DEVICE(0x423A, 0x1001, iwl5350_agn_cfg)}, /* Mini Card */
 122         {IWL_PCI_DEVICE(0x423A, 0x1021, iwl5350_agn_cfg)}, /* Mini Card */
 123         {IWL_PCI_DEVICE(0x423B, 0x1011, iwl5350_agn_cfg)}, /* Mini Card */
 124
 125 /* 5150 Series Wifi/WiMax */
 126         {IWL_PCI_DEVICE(0x423C, 0x1201, iwl5150_agn_cfg)}, /* Mini Card */
 127         {IWL_PCI_DEVICE(0x423C, 0x1301, iwl5150_agn_cfg)}, /* Half Mini Card */
 128         {IWL_PCI_DEVICE(0x423C, 0x1206, iwl5150_abg_cfg)}, /* Mini Card */
 129         {IWL_PCI_DEVICE(0x423C, 0x1306, iwl5150_abg_cfg)}, /* Half Mini Card */
 130         {IWL_PCI_DEVICE(0x423C, 0x1221, iwl5150_agn_cfg)}, /* Mini Card */
 131         {IWL_PCI_DEVICE(0x423C, 0x1321, iwl5150_agn_cfg)}, /* Half Mini Card */
 132
 133         {IWL_PCI_DEVICE(0x423D, 0x1211, iwl5150_agn_cfg)}, /* Mini Card */
 134         {IWL_PCI_DEVICE(0x423D, 0x1311, iwl5150_agn_cfg)}, /* Half Mini Card */
 135         {IWL_PCI_DEVICE(0x423D, 0x1216, iwl5150_abg_cfg)}, /* Mini Card */
 136         {IWL_PCI_DEVICE(0x423D, 0x1316, iwl5150_abg_cfg)}, /* Half Mini Card */
 137
 138 /* 6x00 Series */
 139         {IWL_PCI_DEVICE(0x422B, 0x1101, iwl6000_3agn_cfg)},
 140         {IWL_PCI_DEVICE(0x422B, 0x1121, iwl6000_3agn_cfg)},
 141         {IWL_PCI_DEVICE(0x422C, 0x1301, iwl6000i_2agn_cfg)},
 142         {IWL_PCI_DEVICE(0x422C, 0x1306, iwl6000i_2abg_cfg)},
 143         {IWL_PCI_DEVICE(0x422C, 0x1307, iwl6000i_2bg_cfg)},
 144         {IWL_PCI_DEVICE(0x422C, 0x1321, iwl6000i_2agn_cfg)},
 145         {IWL_PCI_DEVICE(0x422C, 0x1326, iwl6000i_2abg_cfg)},
 146         {IWL_PCI_DEVICE(0x4238, 0x1111, iwl6000_3agn_cfg)},
 147         {IWL_PCI_DEVICE(0x4239, 0x1311, iwl6000i_2agn_cfg)},
 148         {IWL_PCI_DEVICE(0x4239, 0x1316, iwl6000i_2abg_cfg)},
 149
 150 /* 6x05 Series */
 151         {IWL_PCI_DEVICE(0x0082, 0x1301, iwl6005_2agn_cfg)},
 152         {IWL_PCI_DEVICE(0x0082, 0x1306, iwl6005_2abg_cfg)},
 153         {IWL_PCI_DEVICE(0x0082, 0x1307, iwl6005_2bg_cfg)},
 154         {IWL_PCI_DEVICE(0x0082, 0x1321, iwl6005_2agn_cfg)},
 155         {IWL_PCI_DEVICE(0x0082, 0x1326, iwl6005_2abg_cfg)},
 156         {IWL_PCI_DEVICE(0x0085, 0x1311, iwl6005_2agn_cfg)},
 157         {IWL_PCI_DEVICE(0x0085, 0x1316, iwl6005_2abg_cfg)},
 158         {IWL_PCI_DEVICE(0x0082, 0xC020, iwl6005_2agn_sff_cfg)},
 159         {IWL_PCI_DEVICE(0x0085, 0xC220, iwl6005_2agn_sff_cfg)},
 160         {IWL_PCI_DEVICE(0x0082, 0x4820, iwl6005_2agn_d_cfg)},
 161         {IWL_PCI_DEVICE(0x0082, 0x1304, iwl6005_2agn_mow1_cfg)},/* low 5GHz active */
 162         {IWL_PCI_DEVICE(0x0082, 0x1305, iwl6005_2agn_mow2_cfg)},/* high 5GHz active */
 163
 164 /* 6x30 Series */
 165         {IWL_PCI_DEVICE(0x008A, 0x5305, iwl1030_bgn_cfg)},
 166         {IWL_PCI_DEVICE(0x008A, 0x5307, iwl1030_bg_cfg)},
 167         {IWL_PCI_DEVICE(0x008A, 0x5325, iwl1030_bgn_cfg)},
 168         {IWL_PCI_DEVICE(0x008A, 0x5327, iwl1030_bg_cfg)},
 169         {IWL_PCI_DEVICE(0x008B, 0x5315, iwl1030_bgn_cfg)},
 170         {IWL_PCI_DEVICE(0x008B, 0x5317, iwl1030_bg_cfg)},
 171         {IWL_PCI_DEVICE(0x0090, 0x5211, iwl6030_2agn_cfg)},
 172         {IWL_PCI_DEVICE(0x0090, 0x5215, iwl6030_2bgn_cfg)},
 173         {IWL_PCI_DEVICE(0x0090, 0x5216, iwl6030_2abg_cfg)},
 174         {IWL_PCI_DEVICE(0x0091, 0x5201, iwl6030_2agn_cfg)},
 175         {IWL_PCI_DEVICE(0x0091, 0x5205, iwl6030_2bgn_cfg)},
 176         {IWL_PCI_DEVICE(0x0091, 0x5206, iwl6030_2abg_cfg)},
 177         {IWL_PCI_DEVICE(0x0091, 0x5207, iwl6030_2bg_cfg)},
 178         {IWL_PCI_DEVICE(0x0091, 0x5221, iwl6030_2agn_cfg)},
 179         {IWL_PCI_DEVICE(0x0091, 0x5225, iwl6030_2bgn_cfg)},
 180         {IWL_PCI_DEVICE(0x0091, 0x5226, iwl6030_2abg_cfg)},
 181
 182 /* 6x50 WiFi/WiMax Series */
 183         {IWL_PCI_DEVICE(0x0087, 0x1301, iwl6050_2agn_cfg)},
 184         {IWL_PCI_DEVICE(0x0087, 0x1306, iwl6050_2abg_cfg)},
 185         {IWL_PCI_DEVICE(0x0087, 0x1321, iwl6050_2agn_cfg)},
 186         {IWL_PCI_DEVICE(0x0087, 0x1326, iwl6050_2abg_cfg)},
 187         {IWL_PCI_DEVICE(0x0089, 0x1311, iwl6050_2agn_cfg)},
 188         {IWL_PCI_DEVICE(0x0089, 0x1316, iwl6050_2abg_cfg)},
 189
 190 /* 6150 WiFi/WiMax Series */
 191         {IWL_PCI_DEVICE(0x0885, 0x1305, iwl6150_bgn_cfg)},
 192         {IWL_PCI_DEVICE(0x0885, 0x1307, iwl6150_bg_cfg)},
 193         {IWL_PCI_DEVICE(0x0885, 0x1325, iwl6150_bgn_cfg)},
 194         {IWL_PCI_DEVICE(0x0885, 0x1327, iwl6150_bg_cfg)},
 195         {IWL_PCI_DEVICE(0x0886, 0x1315, iwl6150_bgn_cfg)},
 196         {IWL_PCI_DEVICE(0x0886, 0x1317, iwl6150_bg_cfg)},
 197
 198 /* 1000 Series WiFi */
 199         {IWL_PCI_DEVICE(0x0083, 0x1205, iwl1000_bgn_cfg)},
 200         {IWL_PCI_DEVICE(0x0083, 0x1305, iwl1000_bgn_cfg)},
 201         {IWL_PCI_DEVICE(0x0083, 0x1225, iwl1000_bgn_cfg)},
 202         {IWL_PCI_DEVICE(0x0083, 0x1325, iwl1000_bgn_cfg)},
 203         {IWL_PCI_DEVICE(0x0084, 0x1215, iwl1000_bgn_cfg)},
 204         {IWL_PCI_DEVICE(0x0084, 0x1315, iwl1000_bgn_cfg)},
 205         {IWL_PCI_DEVICE(0x0083, 0x1206, iwl1000_bg_cfg)},
 206         {IWL_PCI_DEVICE(0x0083, 0x1306, iwl1000_bg_cfg)},
 207         {IWL_PCI_DEVICE(0x0083, 0x1226, iwl1000_bg_cfg)},
 208         {IWL_PCI_DEVICE(0x0083, 0x1326, iwl1000_bg_cfg)},
 209         {IWL_PCI_DEVICE(0x0084, 0x1216, iwl1000_bg_cfg)},
 210         {IWL_PCI_DEVICE(0x0084, 0x1316, iwl1000_bg_cfg)},
 211
 212 /* 100 Series WiFi */
 213         {IWL_PCI_DEVICE(0x08AE, 0x1005, iwl100_bgn_cfg)},
 214         {IWL_PCI_DEVICE(0x08AE, 0x1007, iwl100_bg_cfg)},
 215         {IWL_PCI_DEVICE(0x08AF, 0x1015, iwl100_bgn_cfg)},
 216         {IWL_PCI_DEVICE(0x08AF, 0x1017, iwl100_bg_cfg)},
 217         {IWL_PCI_DEVICE(0x08AE, 0x1025, iwl100_bgn_cfg)},
 218         {IWL_PCI_DEVICE(0x08AE, 0x1027, iwl100_bg_cfg)},
 219
 220 /* 130 Series WiFi */
 221         {IWL_PCI_DEVICE(0x0896, 0x5005, iwl130_bgn_cfg)},
 222         {IWL_PCI_DEVICE(0x0896, 0x5007, iwl130_bg_cfg)},
 223         {IWL_PCI_DEVICE(0x0897, 0x5015, iwl130_bgn_cfg)},
 224         {IWL_PCI_DEVICE(0x0897, 0x5017, iwl130_bg_cfg)},
 225         {IWL_PCI_DEVICE(0x0896, 0x5025, iwl130_bgn_cfg)},
 226         {IWL_PCI_DEVICE(0x0896, 0x5027, iwl130_bg_cfg)},
 227
 228 /* 2x00 Series */
 229         {IWL_PCI_DEVICE(0x0890, 0x4022, iwl2000_2bgn_cfg)},
 230         {IWL_PCI_DEVICE(0x0891, 0x4222, iwl2000_2bgn_cfg)},
 231         {IWL_PCI_DEVICE(0x0890, 0x4422, iwl2000_2bgn_cfg)},
 232         {IWL_PCI_DEVICE(0x0890, 0x4822, iwl2000_2bgn_d_cfg)},
 233
 234 /* 2x30 Series */
 235         {IWL_PCI_DEVICE(0x0887, 0x4062, iwl2030_2bgn_cfg)},
 236         {IWL_PCI_DEVICE(0x0888, 0x4262, iwl2030_2bgn_cfg)},
 237         {IWL_PCI_DEVICE(0x0887, 0x4462, iwl2030_2bgn_cfg)},
 238
 239 /* 6x35 Series */
 240         {IWL_PCI_DEVICE(0x088E, 0x4060, iwl6035_2agn_cfg)},
 241         {IWL_PCI_DEVICE(0x088F, 0x4260, iwl6035_2agn_cfg)},
 242         {IWL_PCI_DEVICE(0x088E, 0x4460, iwl6035_2agn_cfg)},
 243         {IWL_PCI_DEVICE(0x088E, 0x4860, iwl6035_2agn_cfg)},
 244         {IWL_PCI_DEVICE(0x088F, 0x5260, iwl6035_2agn_cfg)},
 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)},
 250         {IWL_PCI_DEVICE(0x0894, 0x0822, iwl105_bgn_d_cfg)},
 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)},
 256
 257 /* 7000 Series */
 258         {IWL_PCI_DEVICE(0x08B1, 0x4070, iwl7260_2ac_cfg)},
 259         {IWL_PCI_DEVICE(0x08B1, 0x4062, iwl7260_2ac_cfg)},
 260         {IWL_PCI_DEVICE(0x08B1, 0xC070, iwl7260_2ac_cfg)},
 261         {IWL_PCI_DEVICE(0x08B3, 0x0070, iwl3160_ac_cfg)},
 262         {IWL_PCI_DEVICE(0x08B3, 0x8070, iwl3160_ac_cfg)},
 263
 264         {0}
 265 };
 266 MODULE_DEVICE_TABLE(pci, iwl_hw_card_ids);
 267
 268 /* PCI registers */
 269 #define PCI_CFG_RETRY_TIMEOUT   0x041
 270
 271 static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 272 {
 273         const struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data);
 274         struct iwl_trans *iwl_trans;
 275         struct iwl_trans_pcie *trans_pcie;
 276         int ret;
 277
 278         iwl_trans = iwl_trans_pcie_alloc(pdev, ent, cfg);
 279         if (iwl_trans == NULL)
 280                 return -ENOMEM;
 281
 282         pci_set_drvdata(pdev, iwl_trans);
 283
 284         trans_pcie = IWL_TRANS_GET_PCIE_TRANS(iwl_trans);
 285         trans_pcie->drv = iwl_drv_start(iwl_trans, cfg);
 286
 287         if (IS_ERR_OR_NULL(trans_pcie->drv)) {
 288                 ret = PTR_ERR(trans_pcie->drv);
 289                 goto out_free_trans;
 290         }
 291
 292         /* register transport layer debugfs here */
 293         ret = iwl_trans_dbgfs_register(iwl_trans, iwl_trans->dbgfs_dir);
 294         if (ret)
 295                 goto out_free_drv;
 296
 297         return 0;
 298
 299 out_free_drv:
 300         iwl_drv_stop(trans_pcie->drv);
 301 out_free_trans:
 302         iwl_trans_pcie_free(iwl_trans);
 303         pci_set_drvdata(pdev, NULL);
 304         return ret;
 305 }
 306
 307 static void iwl_pci_remove(struct pci_dev *pdev)
 308 {
 309         struct iwl_trans *trans = pci_get_drvdata(pdev);
 310         struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
 311
 312         iwl_drv_stop(trans_pcie->drv);
 313         iwl_trans_pcie_free(trans);
 314
 315         pci_set_drvdata(pdev, NULL);
 316 }
 317
 318 #ifdef CONFIG_PM_SLEEP
 319
 320 static int iwl_pci_suspend(struct device *device)
 321 {
 322         struct pci_dev *pdev = to_pci_dev(device);
 323         struct iwl_trans *iwl_trans = pci_get_drvdata(pdev);
 324
 325         /* Before you put code here, think about WoWLAN. You cannot check here
 326          * whether WoWLAN is enabled or not, and your code will run even if
 327          * WoWLAN is enabled - don't kill the NIC, someone may need it in Sx.
 328          */
 329
 330         return iwl_trans_suspend(iwl_trans);
 331 }
 332
 333 static int iwl_pci_resume(struct device *device)
 334 {
 335         struct pci_dev *pdev = to_pci_dev(device);
 336         struct iwl_trans *iwl_trans = pci_get_drvdata(pdev);
 337
 338         /* Before you put code here, think about WoWLAN. You cannot check here
 339          * whether WoWLAN is enabled or not, and your code will run even if
 340          * WoWLAN is enabled - the NIC may be alive.
 341          */
 342
 343         /*
 344          * We disable the RETRY_TIMEOUT register (0x41) to keep
 345          * PCI Tx retries from interfering with C3 CPU state.
 346          */
 347         pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
 348
 349         return iwl_trans_resume(iwl_trans);
 350 }
 351
 352 static SIMPLE_DEV_PM_OPS(iwl_dev_pm_ops, iwl_pci_suspend, iwl_pci_resume);
 353
 354 #define IWL_PM_OPS      (&iwl_dev_pm_ops)
 355
 356 #else
 357
 358 #define IWL_PM_OPS      NULL
 359
 360 #endif
 361
 362 static struct pci_driver iwl_pci_driver = {
 363         .name = DRV_NAME,
 364         .id_table = iwl_hw_card_ids,
 365         .probe = iwl_pci_probe,
 366         .remove = iwl_pci_remove,
 367         .driver.pm = IWL_PM_OPS,
 368 };
 369
 370 int __must_check iwl_pci_register_driver(void)
 371 {
 372         int ret;
 373         ret = pci_register_driver(&iwl_pci_driver);
 374         if (ret)
 375                 pr_err("Unable to initialize PCI module\n");
 376
 377         return ret;
 378 }
 379
 380 void iwl_pci_unregister_driver(void)
 381 {
 382         pci_unregister_driver(&iwl_pci_driver);
 383 }