mt76/mt7603/soc.c

0001 // SPDX-License-Identifier: ISC
0002
0003 #include <linux/kernel.h>
0004 #include <linux/module.h>
0005 #include <linux/platform_device.h>
0006
0007 #include "mt7603.h"
0008
0009 static int
0010 mt76_wmac_probe(struct platform_device *pdev)
0011 {
0012     struct mt7603_dev *dev;
0013     void __iomem *mem_base;
0014     struct mt76_dev *mdev;
0015     int irq;
0016     int ret;
0017
0018     irq = platform_get_irq(pdev, 0);
0019     if (irq < 0)
0020         return irq;
0021
0022     mem_base = devm_platform_ioremap_resource(pdev, 0);
0023     if (IS_ERR(mem_base))
0024         return PTR_ERR(mem_base);
0025
0026     mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt7603_ops,
0027                  &mt7603_drv_ops);
0028     if (!mdev)
0029         return -ENOMEM;
0030
0031     dev = container_of(mdev, struct mt7603_dev, mt76);
0032     mt76_mmio_init(mdev, mem_base);
0033
0034     mdev->rev = (mt76_rr(dev, MT_HW_CHIPID) << 16) |
0035             (mt76_rr(dev, MT_HW_REV) & 0xff);
0036     dev_info(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
0037
0038     mt76_wr(dev, MT_INT_MASK_CSR, 0);
0039
0040     ret = devm_request_irq(mdev->dev, irq, mt7603_irq_handler,
0041                    IRQF_SHARED, KBUILD_MODNAME, dev);
0042     if (ret)
0043         goto error;
0044
0045     ret = mt7603_register_device(dev);
0046     if (ret)
0047         goto error;
0048
0049     return 0;
0050 error:
0051     ieee80211_free_hw(mt76_hw(dev));
0052     return ret;
0053 }
0054
0055 static int
0056 mt76_wmac_remove(struct platform_device *pdev)
0057 {
0058     struct mt76_dev *mdev = platform_get_drvdata(pdev);
0059     struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);
0060
0061     mt7603_unregister_device(dev);
0062
0063     return 0;
0064 }
0065
0066 static const struct of_device_id of_wmac_match[] = {
0067     { .compatible = "mediatek,mt7628-wmac" },
0068     {},
0069 };
0070
0071 MODULE_DEVICE_TABLE(of, of_wmac_match);
0072 MODULE_FIRMWARE(MT7628_FIRMWARE_E1);
0073 MODULE_FIRMWARE(MT7628_FIRMWARE_E2);
0074
0075 struct platform_driver mt76_wmac_driver = {
0076     .probe      = mt76_wmac_probe,
0077     .remove     = mt76_wmac_remove,
0078     .driver = {
0079         .name = "mt76_wmac",
0080         .of_match_table = of_wmac_match,
0081     },
0082 };