1 // SPDX-License-Identifier: ISC
2
3 #include <linux/kernel.h>
4 #include <linux/module.h>
5 #include <linux/pci.h>
6
7 #include "mt7603.h"
8
9 static const struct pci_device_id mt76pci_device_table[] = {
10 { PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7603) },
11 { },
12 };
13
14 static int
mt76pci_probe(struct pci_dev * pdev,const struct pci_device_id * id)15 mt76pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
16 {
17 struct mt7603_dev *dev;
18 struct mt76_dev *mdev;
19 int ret;
20
21 ret = pcim_enable_device(pdev);
22 if (ret)
23 return ret;
24
25 ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev));
26 if (ret)
27 return ret;
28
29 pci_set_master(pdev);
30
31 ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
32 if (ret)
33 return ret;
34
35 mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt7603_ops,
36 &mt7603_drv_ops);
37 if (!mdev)
38 return -ENOMEM;
39
40 dev = container_of(mdev, struct mt7603_dev, mt76);
41 mt76_mmio_init(mdev, pcim_iomap_table(pdev)[0]);
42
43 mdev->rev = (mt76_rr(dev, MT_HW_CHIPID) << 16) |
44 (mt76_rr(dev, MT_HW_REV) & 0xff);
45 dev_info(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
46
47 mt76_wr(dev, MT_INT_MASK_CSR, 0);
48
49 ret = devm_request_irq(mdev->dev, pdev->irq, mt7603_irq_handler,
50 IRQF_SHARED, KBUILD_MODNAME, dev);
51 if (ret)
52 goto error;
53
54 ret = mt7603_register_device(dev);
55 if (ret)
56 goto error;
57
58 return 0;
59 error:
60 mt76_free_device(&dev->mt76);
61
62 return ret;
63 }
64
65 static void
mt76pci_remove(struct pci_dev * pdev)66 mt76pci_remove(struct pci_dev *pdev)
67 {
68 struct mt76_dev *mdev = pci_get_drvdata(pdev);
69 struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);
70
71 mt7603_unregister_device(dev);
72 }
73
74 MODULE_DEVICE_TABLE(pci, mt76pci_device_table);
75 MODULE_FIRMWARE(MT7603_FIRMWARE_E1);
76 MODULE_FIRMWARE(MT7603_FIRMWARE_E2);
77
78 struct pci_driver mt7603_pci_driver = {
79 .name = KBUILD_MODNAME,
80 .id_table = mt76pci_device_table,
81 .probe = mt76pci_probe,
82 .remove = mt76pci_remove,
83 };
84