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