117 lines
2.6 KiB
C
117 lines
2.6 KiB
C
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// SPDX-License-Identifier: ISC
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/*
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* Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/pci.h>
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#include "mt76x2.h"
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static const struct pci_device_id mt76pci_device_table[] = {
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{ PCI_DEVICE(0x14c3, 0x7662) },
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{ PCI_DEVICE(0x14c3, 0x7612) },
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{ PCI_DEVICE(0x14c3, 0x7602) },
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{ },
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};
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static int
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mt76pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
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{
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static const struct mt76_driver_ops drv_ops = {
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.txwi_size = sizeof(struct mt76x02_txwi),
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.tx_aligned4_skbs = true,
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.update_survey = mt76x02_update_channel,
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.tx_prepare_skb = mt76x02_tx_prepare_skb,
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.tx_complete_skb = mt76x02_tx_complete_skb,
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.rx_skb = mt76x02_queue_rx_skb,
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.rx_poll_complete = mt76x02_rx_poll_complete,
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.sta_ps = mt76x02_sta_ps,
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.sta_add = mt76x02_sta_add,
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.sta_remove = mt76x02_sta_remove,
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};
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struct mt76x02_dev *dev;
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struct mt76_dev *mdev;
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int ret;
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ret = pcim_enable_device(pdev);
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if (ret)
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return ret;
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ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev));
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if (ret)
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return ret;
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pci_set_master(pdev);
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ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
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if (ret)
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return ret;
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mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt76x2_ops,
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&drv_ops);
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if (!mdev)
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return -ENOMEM;
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dev = container_of(mdev, struct mt76x02_dev, mt76);
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mt76_mmio_init(mdev, pcim_iomap_table(pdev)[0]);
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mt76x2_reset_wlan(dev, false);
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mdev->rev = mt76_rr(dev, MT_ASIC_VERSION);
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dev_info(mdev->dev, "ASIC revision: %08x\n", mdev->rev);
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ret = devm_request_irq(mdev->dev, pdev->irq, mt76x02_irq_handler,
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IRQF_SHARED, KBUILD_MODNAME, dev);
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if (ret)
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goto error;
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ret = mt76x2_register_device(dev);
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if (ret)
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goto error;
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/* Fix up ASPM configuration */
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/* RG_SSUSB_G1_CDR_BIR_LTR = 0x9 */
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mt76_rmw_field(dev, 0x15a10, 0x1f << 16, 0x9);
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/* RG_SSUSB_G1_CDR_BIC_LTR = 0xf */
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mt76_rmw_field(dev, 0x15a0c, 0xf << 28, 0xf);
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/* RG_SSUSB_CDR_BR_PE1D = 0x3 */
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mt76_rmw_field(dev, 0x15c58, 0x3 << 6, 0x3);
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mt76_pci_disable_aspm(pdev);
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return 0;
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error:
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ieee80211_free_hw(mt76_hw(dev));
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return ret;
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}
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static void
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mt76pci_remove(struct pci_dev *pdev)
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{
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struct mt76_dev *mdev = pci_get_drvdata(pdev);
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struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76);
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mt76_unregister_device(mdev);
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mt76x2_cleanup(dev);
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mt76_free_device(mdev);
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}
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MODULE_DEVICE_TABLE(pci, mt76pci_device_table);
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MODULE_FIRMWARE(MT7662_FIRMWARE);
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MODULE_FIRMWARE(MT7662_ROM_PATCH);
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MODULE_LICENSE("Dual BSD/GPL");
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static struct pci_driver mt76pci_driver = {
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.name = KBUILD_MODNAME,
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.id_table = mt76pci_device_table,
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.probe = mt76pci_probe,
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.remove = mt76pci_remove,
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};
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module_pci_driver(mt76pci_driver);
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