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 resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
  13         struct mt7603_dev *dev;
  14         void __iomem *mem_base;
  15         struct mt76_dev *mdev;
  16         int irq;
  17         int ret;
  18
  19         irq = platform_get_irq(pdev, 0);
  20         if (irq < 0) {
  21                 dev_err(&pdev->dev, "Failed to get device IRQ\n");
  22                 return irq;
  23         }
  24
  25         mem_base = devm_ioremap_resource(&pdev->dev, res);
  26         if (IS_ERR(mem_base)) {
  27                 dev_err(&pdev->dev, "Failed to get memory resource\n");
  28                 return PTR_ERR(mem_base);
  29         }
  30
  31         mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt7603_ops,
  32                                  &mt7603_drv_ops);
  33         if (!mdev)
  34                 return -ENOMEM;
  35
  36         dev = container_of(mdev, struct mt7603_dev, mt76);
  37         mt76_mmio_init(mdev, mem_base);
  38
  39         mdev->rev = (mt76_rr(dev, MT_HW_CHIPID) << 16) |
  40                     (mt76_rr(dev, MT_HW_REV) & 0xff);
  41         dev_info(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
  42
  43         ret = devm_request_irq(mdev->dev, irq, mt7603_irq_handler,
  44                                IRQF_SHARED, KBUILD_MODNAME, dev);
  45         if (ret)
  46                 goto error;
  47
  48         ret = mt7603_register_device(dev);
  49         if (ret)
  50                 goto error;
  51
  52         return 0;
  53 error:
  54         ieee80211_free_hw(mt76_hw(dev));
  55         return ret;
  56 }
  57
  58 static int
  59 mt76_wmac_remove(struct platform_device *pdev)
  60 {
  61         struct mt76_dev *mdev = platform_get_drvdata(pdev);
  62         struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);
  63
  64         mt7603_unregister_device(dev);
  65
  66         return 0;
  67 }
  68
  69 static const struct of_device_id of_wmac_match[] = {
  70         { .compatible = "mediatek,mt7628-wmac" },
  71         {},
  72 };
  73
  74 MODULE_DEVICE_TABLE(of, of_wmac_match);
  75 MODULE_FIRMWARE(MT7628_FIRMWARE_E1);
  76 MODULE_FIRMWARE(MT7628_FIRMWARE_E2);
  77
  78 struct platform_driver mt76_wmac_driver = {
  79         .probe          = mt76_wmac_probe,
  80         .remove         = mt76_wmac_remove,
  81         .driver = {
  82                 .name = "mt76_wmac",
  83                 .of_match_table = of_wmac_match,
  84         },
  85 };