LXR linux/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
   9static int
  10mt76_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                return PTR_ERR(mem_base);
  25
  26        mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt7603_ops,
  27                                 &mt7603_drv_ops);
  28        if (!mdev)
  29                return -ENOMEM;
  30
  31        dev = container_of(mdev, struct mt7603_dev, mt76);
  32        mt76_mmio_init(mdev, mem_base);
  33
  34        mdev->rev = (mt76_rr(dev, MT_HW_CHIPID) << 16) |
  35                    (mt76_rr(dev, MT_HW_REV) & 0xff);
  36        dev_info(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
  37
  38        mt76_wr(dev, MT_INT_MASK_CSR, 0);
  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;
  50error:
  51        ieee80211_free_hw(mt76_hw(dev));
  52        return ret;
  53}
  54
  55static int
  56mt76_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
  66static const struct of_device_id of_wmac_match[] = {
  67        { .compatible = "mediatek,mt7628-wmac" },
  68        {},
  69};
  70
  71MODULE_DEVICE_TABLE(of, of_wmac_match);
  72MODULE_FIRMWARE(MT7628_FIRMWARE_E1);
  73MODULE_FIRMWARE(MT7628_FIRMWARE_E2);
  74
  75struct 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};
  83