pci.c (1788B)
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 9static const struct pci_device_id mt76pci_device_table[] = { 10 { PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7603) }, 11 { }, 12}; 13 14static int 15mt76pci_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; 59error: 60 mt76_free_device(&dev->mt76); 61 62 return ret; 63} 64 65static void 66mt76pci_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 74MODULE_DEVICE_TABLE(pci, mt76pci_device_table); 75MODULE_FIRMWARE(MT7603_FIRMWARE_E1); 76MODULE_FIRMWARE(MT7603_FIRMWARE_E2); 77 78struct pci_driver mt7603_pci_driver = { 79 .name = KBUILD_MODNAME, 80 .id_table = mt76pci_device_table, 81 .probe = mt76pci_probe, 82 .remove = mt76pci_remove, 83};