drivers/net/ethernet/synopsys/dwc-xlgmac-pci.c

   1 /* Synopsys DesignWare Core Enterprise Ethernet (XLGMAC) Driver
   2  *
   3  * Copyright (c) 2017 Synopsys, Inc. (www.synopsys.com)
   4  *
   5  * This program is dual-licensed; you may select either version 2 of
   6  * the GNU General Public License ("GPL") or BSD license ("BSD").
   7  *
   8  * This Synopsys DWC XLGMAC software driver and associated documentation
   9  * (hereinafter the "Software") is an unsupported proprietary work of
  10  * Synopsys, Inc. unless otherwise expressly agreed to in writing between
  11  * Synopsys and you. The Software IS NOT an item of Licensed Software or a
  12  * Licensed Product under any End User Software License Agreement or
  13  * Agreement for Licensed Products with Synopsys or any supplement thereto.
  14  * Synopsys is a registered trademark of Synopsys, Inc. Other names included
  15  * in the SOFTWARE may be the trademarks of their respective owners.
  16  */
  17
  18 #include <linux/kernel.h>
  19 #include <linux/module.h>
  20 #include <linux/pci.h>
  21
  22 #include "dwc-xlgmac.h"
  23 #include "dwc-xlgmac-reg.h"
  24
  25 static int xlgmac_probe(struct pci_dev *pcidev, const struct pci_device_id *id)
  26 {
  27         struct device *dev = &pcidev->dev;
  28         struct xlgmac_resources res;
  29         int i, ret;
  30
  31         ret = pcim_enable_device(pcidev);
  32         if (ret) {
  33                 dev_err(dev, "ERROR: failed to enable device\n");
  34                 return ret;
  35         }
  36
  37         for (i = 0; i < PCI_STD_NUM_BARS; i++) {
  38                 if (pci_resource_len(pcidev, i) == 0)
  39                         continue;
  40                 ret = pcim_iomap_regions(pcidev, BIT(i), XLGMAC_DRV_NAME);
  41                 if (ret)
  42                         return ret;
  43                 break;
  44         }
  45
  46         pci_set_master(pcidev);
  47
  48         memset(&res, 0, sizeof(res));
  49         res.irq = pcidev->irq;
  50         res.addr = pcim_iomap_table(pcidev)[i];
  51
  52         return xlgmac_drv_probe(&pcidev->dev, &res);
  53 }
  54
  55 static void xlgmac_remove(struct pci_dev *pcidev)
  56 {
  57         xlgmac_drv_remove(&pcidev->dev);
  58 }
  59
  60 static const struct pci_device_id xlgmac_pci_tbl[] = {
  61         { PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS, 0x7302) },
  62         { 0 }
  63 };
  64 MODULE_DEVICE_TABLE(pci, xlgmac_pci_tbl);
  65
  66 static struct pci_driver xlgmac_pci_driver = {
  67         .name           = XLGMAC_DRV_NAME,
  68         .id_table       = xlgmac_pci_tbl,
  69         .probe          = xlgmac_probe,
  70         .remove         = xlgmac_remove,
  71 };
  72
  73 module_pci_driver(xlgmac_pci_driver);
  74
  75 MODULE_DESCRIPTION(XLGMAC_DRV_DESC);
  76 MODULE_VERSION(XLGMAC_DRV_VERSION);
  77 MODULE_AUTHOR("Jie Deng <jiedeng@synopsys.com>");
  78 MODULE_LICENSE("Dual BSD/GPL");