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

   1 /******************************************************************************
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   4  * redistributing this file, you may do so under either license.
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   6  * GPL LICENSE SUMMARY
   7  *
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  11  * it under the terms of version 2 of the GNU General Public License as
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  13  *
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  41  *    notice, this list of conditions and the following disclaimer.
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  43  *    notice, this list of conditions and the following disclaimer in
  44  *    the documentation and/or other materials provided with the
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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,
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  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-io.h"
  68 #include "iwl-shared.h"
  69 #include "iwl-trans.h"
  70 #include "iwl-csr.h"
  71 #include "iwl-cfg.h"
  72 #include "iwl-drv.h"
  73 #include "iwl-trans.h"
  74
  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)},
 159         {IWL_PCI_DEVICE(0x0082, 0xC020, iwl6005_2agn_sff_cfg)},
 160         {IWL_PCI_DEVICE(0x0085, 0xC220, iwl6005_2agn_sff_cfg)},
 161         {IWL_PCI_DEVICE(0x0082, 0x1341, iwl6005_2agn_d_cfg)},
 162         {IWL_PCI_DEVICE(0x0082, 0x1304, iwl6005_2agn_cfg)},/* low 5GHz active */
 163         {IWL_PCI_DEVICE(0x0082, 0x1305, iwl6005_2agn_cfg)},/* high 5GHz active */
 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)},
 233         {IWL_PCI_DEVICE(0x0890, 0x4822, iwl2000_2bgn_d_cfg)},
 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)},
 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)},
 244
 245 /* 105 Series */
 246         {IWL_PCI_DEVICE(0x0894, 0x0022, iwl105_bgn_cfg)},
 247         {IWL_PCI_DEVICE(0x0895, 0x0222, iwl105_bgn_cfg)},
 248         {IWL_PCI_DEVICE(0x0894, 0x0422, iwl105_bgn_cfg)},
 249         {IWL_PCI_DEVICE(0x0894, 0x0822, iwl105_bgn_d_cfg)},
 250
 251 /* 135 Series */
 252         {IWL_PCI_DEVICE(0x0892, 0x0062, iwl135_bgn_cfg)},
 253         {IWL_PCI_DEVICE(0x0893, 0x0262, iwl135_bgn_cfg)},
 254         {IWL_PCI_DEVICE(0x0892, 0x0462, iwl135_bgn_cfg)},
 255
 256         {0}
 257 };
 258 MODULE_DEVICE_TABLE(pci, iwl_hw_card_ids);
 259
 260 /* PCI registers */
 261 #define PCI_CFG_RETRY_TIMEOUT   0x041
 262
 263 static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 264 {
 265         struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data);
 266         struct iwl_shared *shrd;
 267         struct iwl_trans *iwl_trans;
 268         int err;
 269
 270         shrd = kzalloc(sizeof(*iwl_trans->shrd), GFP_KERNEL);
 271         if (!shrd) {
 272                 dev_printk(KERN_ERR, &pdev->dev,
 273                            "Couldn't allocate iwl_shared");
 274                 err = -ENOMEM;
 275                 goto out_free_bus;
 276         }
 277
 278 #ifdef CONFIG_IWLWIFI_IDI
 279         iwl_trans = iwl_trans_idi_alloc(shrd, pdev, ent);
 280         if (trans == NULL) {
 281                 err = -ENOMEM;
 282                 goto out_free_bus;
 283         }
 284
 285         shrd->trans = iwl_trans;
 286         pci_set_drvdata(pdev, iwl_trans);
 287
 288         err = iwl_drv_start(shrd, iwl_trans, cfg);
 289 #else
 290         iwl_trans = iwl_trans_pcie_alloc(shrd, pdev, ent);
 291         if (iwl_trans == NULL) {
 292                 err = -ENOMEM;
 293                 goto out_free_bus;
 294         }
 295
 296         shrd->trans = iwl_trans;
 297         pci_set_drvdata(pdev, iwl_trans);
 298
 299         err = iwl_drv_start(shrd, iwl_trans, cfg);
 300 #endif
 301         if (err)
 302                 goto out_free_trans;
 303
 304         return 0;
 305
 306 out_free_trans:
 307         iwl_trans_free(iwl_trans);
 308         pci_set_drvdata(pdev, NULL);
 309 out_free_bus:
 310         kfree(shrd);
 311         return err;
 312 }
 313
 314 static void __devexit iwl_pci_remove(struct pci_dev *pdev)
 315 {
 316         struct iwl_trans *iwl_trans = pci_get_drvdata(pdev);
 317         struct iwl_shared *shrd = iwl_trans->shrd;
 318
 319         iwl_drv_stop(shrd);
 320         iwl_trans_free(shrd->trans);
 321
 322         pci_set_drvdata(pdev, NULL);
 323
 324         kfree(shrd);
 325 }
 326
 327 #ifdef CONFIG_PM_SLEEP
 328
 329 static int iwl_pci_suspend(struct device *device)
 330 {
 331         struct pci_dev *pdev = to_pci_dev(device);
 332         struct iwl_trans *iwl_trans = pci_get_drvdata(pdev);
 333
 334         /* Before you put code here, think about WoWLAN. You cannot check here
 335          * whether WoWLAN is enabled or not, and your code will run even if
 336          * WoWLAN is enabled - don't kill the NIC, someone may need it in Sx.
 337          */
 338
 339         return iwl_trans_suspend(iwl_trans);
 340 }
 341
 342 static int iwl_pci_resume(struct device *device)
 343 {
 344         struct pci_dev *pdev = to_pci_dev(device);
 345         struct iwl_trans *iwl_trans = pci_get_drvdata(pdev);
 346
 347         /* Before you put code here, think about WoWLAN. You cannot check here
 348          * whether WoWLAN is enabled or not, and your code will run even if
 349          * WoWLAN is enabled - the NIC may be alive.
 350          */
 351
 352         /*
 353          * We disable the RETRY_TIMEOUT register (0x41) to keep
 354          * PCI Tx retries from interfering with C3 CPU state.
 355          */
 356         pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
 357
 358         return iwl_trans_resume(iwl_trans);
 359 }
 360
 361 static SIMPLE_DEV_PM_OPS(iwl_dev_pm_ops, iwl_pci_suspend, iwl_pci_resume);
 362
 363 #define IWL_PM_OPS      (&iwl_dev_pm_ops)
 364
 365 #else
 366
 367 #define IWL_PM_OPS      NULL
 368
 369 #endif
 370
 371 static struct pci_driver iwl_pci_driver = {
 372         .name = DRV_NAME,
 373         .id_table = iwl_hw_card_ids,
 374         .probe = iwl_pci_probe,
 375         .remove = __devexit_p(iwl_pci_remove),
 376         .driver.pm = IWL_PM_OPS,
 377 };
 378
 379 int __must_check iwl_pci_register_driver(void)
 380 {
 381         int ret;
 382         ret = pci_register_driver(&iwl_pci_driver);
 383         if (ret)
 384                 pr_err("Unable to initialize PCI module\n");
 385
 386         return ret;
 387 }
 388
 389 void iwl_pci_unregister_driver(void)
 390 {
 391         pci_unregister_driver(&iwl_pci_driver);
 392 }