112 lines
2.8 KiB
C
112 lines
2.8 KiB
C
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/*
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* Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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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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#include "mt76x2_trace.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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struct mt76x2_dev *dev;
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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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dev = mt76x2_alloc_device(&pdev->dev);
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if (!dev)
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return -ENOMEM;
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mt76_mmio_init(&dev->mt76, pcim_iomap_table(pdev)[0]);
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mt76x2_reset_wlan(dev, false);
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dev->mt76.rev = mt76_rr(dev, MT_ASIC_VERSION);
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dev_info(dev->mt76.dev, "ASIC revision: %08x\n", dev->mt76.rev);
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ret = devm_request_irq(dev->mt76.dev, pdev->irq, mt76x2_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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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 mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76);
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mt76_unregister_device(mdev);
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mt76x2_cleanup(dev);
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ieee80211_free_hw(mdev->hw);
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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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