| developer | b11a539 | 2022-03-31 00:34:47 +0800 | [diff] [blame^] | 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 |
| 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 |
| 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 | }; |