drivers/net/wireless/mediatek/mt76/mt7603/soc.c

   1 // SPDX-License-Identifier: ISC
   2
   3 #include <linux/kernel.h>
   4 #include <linux/module.h>
   5 #include <linux/platform_device.h>
   6
   7 #include "mt7603.h"
   8
   9 static int
  10 mt76_wmac_probe(struct platform_device *pdev)
  11 {
  12         struct mt7603_dev *dev;
  13         void __iomem *mem_base;
  14         struct mt76_dev *mdev;
  15         int irq;
  16         int ret;
  17
  18         irq = platform_get_irq(pdev, 0);
  19         if (irq < 0)
  20                 return irq;
  21
  22         mem_base = devm_platform_ioremap_resource(pdev, 0);
  23         if (IS_ERR(mem_base)) {
  24                 dev_err(&pdev->dev, "Failed to get memory resource\n");
  25                 return PTR_ERR(mem_base);
  26         }
  27
  28         mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt7603_ops,
  29                                  &mt7603_drv_ops);
  30         if (!mdev)
  31                 return -ENOMEM;
  32
  33         dev = container_of(mdev, struct mt7603_dev, mt76);
  34         mt76_mmio_init(mdev, mem_base);
  35
  36         mdev->rev = (mt76_rr(dev, MT_HW_CHIPID) << 16) |
  37                     (mt76_rr(dev, MT_HW_REV) & 0xff);
  38         dev_info(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
  39
  40         ret = devm_request_irq(mdev->dev, irq, mt7603_irq_handler,
  41                                IRQF_SHARED, KBUILD_MODNAME, dev);
  42         if (ret)
  43                 goto error;
  44
  45         ret = mt7603_register_device(dev);
  46         if (ret)
  47                 goto error;
  48
  49         return 0;
  50 error:
  51         ieee80211_free_hw(mt76_hw(dev));
  52         return ret;
  53 }
  54
  55 static int
  56 mt76_wmac_remove(struct platform_device *pdev)
  57 {
  58         struct mt76_dev *mdev = platform_get_drvdata(pdev);
  59         struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);
  60
  61         mt7603_unregister_device(dev);
  62
  63         return 0;
  64 }
  65
  66 static const struct of_device_id of_wmac_match[] = {
  67         { .compatible = "mediatek,mt7628-wmac" },
  68         {},
  69 };
  70
  71 MODULE_DEVICE_TABLE(of, of_wmac_match);
  72 MODULE_FIRMWARE(MT7628_FIRMWARE_E1);
  73 MODULE_FIRMWARE(MT7628_FIRMWARE_E2);
  74
  75 struct platform_driver mt76_wmac_driver = {
  76         .probe          = mt76_wmac_probe,
  77         .remove         = mt76_wmac_remove,
  78         .driver = {
  79                 .name = "mt76_wmac",
  80                 .of_match_table = of_wmac_match,
  81         },
  82 };