11613c621SLorenzo Bianconi /* 21613c621SLorenzo Bianconi * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> 31613c621SLorenzo Bianconi * 41613c621SLorenzo Bianconi * Permission to use, copy, modify, and/or distribute this software for any 51613c621SLorenzo Bianconi * purpose with or without fee is hereby granted, provided that the above 61613c621SLorenzo Bianconi * copyright notice and this permission notice appear in all copies. 71613c621SLorenzo Bianconi * 81613c621SLorenzo Bianconi * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 91613c621SLorenzo Bianconi * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 101613c621SLorenzo Bianconi * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 111613c621SLorenzo Bianconi * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 121613c621SLorenzo Bianconi * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 131613c621SLorenzo Bianconi * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 141613c621SLorenzo Bianconi * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 151613c621SLorenzo Bianconi */ 161613c621SLorenzo Bianconi 171613c621SLorenzo Bianconi #include <linux/kernel.h> 181613c621SLorenzo Bianconi #include <linux/module.h> 191613c621SLorenzo Bianconi #include <linux/pci.h> 201613c621SLorenzo Bianconi 211613c621SLorenzo Bianconi #include "mt76x2.h" 221613c621SLorenzo Bianconi #include "trace.h" 231613c621SLorenzo Bianconi 241613c621SLorenzo Bianconi static const struct pci_device_id mt76pci_device_table[] = { 251613c621SLorenzo Bianconi { PCI_DEVICE(0x14c3, 0x7662) }, 261613c621SLorenzo Bianconi { PCI_DEVICE(0x14c3, 0x7612) }, 271613c621SLorenzo Bianconi { PCI_DEVICE(0x14c3, 0x7602) }, 281613c621SLorenzo Bianconi { }, 291613c621SLorenzo Bianconi }; 301613c621SLorenzo Bianconi 311613c621SLorenzo Bianconi static int 321613c621SLorenzo Bianconi mt76pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) 331613c621SLorenzo Bianconi { 34e40803f2SLorenzo Bianconi struct mt76x02_dev *dev; 351613c621SLorenzo Bianconi int ret; 361613c621SLorenzo Bianconi 371613c621SLorenzo Bianconi ret = pcim_enable_device(pdev); 381613c621SLorenzo Bianconi if (ret) 391613c621SLorenzo Bianconi return ret; 401613c621SLorenzo Bianconi 411613c621SLorenzo Bianconi ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev)); 421613c621SLorenzo Bianconi if (ret) 431613c621SLorenzo Bianconi return ret; 441613c621SLorenzo Bianconi 451613c621SLorenzo Bianconi pci_set_master(pdev); 461613c621SLorenzo Bianconi 471613c621SLorenzo Bianconi ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); 481613c621SLorenzo Bianconi if (ret) 491613c621SLorenzo Bianconi return ret; 501613c621SLorenzo Bianconi 511613c621SLorenzo Bianconi dev = mt76x2_alloc_device(&pdev->dev); 521613c621SLorenzo Bianconi if (!dev) 531613c621SLorenzo Bianconi return -ENOMEM; 541613c621SLorenzo Bianconi 551613c621SLorenzo Bianconi mt76_mmio_init(&dev->mt76, pcim_iomap_table(pdev)[0]); 561613c621SLorenzo Bianconi mt76x2_reset_wlan(dev, false); 571613c621SLorenzo Bianconi 581613c621SLorenzo Bianconi dev->mt76.rev = mt76_rr(dev, MT_ASIC_VERSION); 591613c621SLorenzo Bianconi dev_info(dev->mt76.dev, "ASIC revision: %08x\n", dev->mt76.rev); 601613c621SLorenzo Bianconi 611613c621SLorenzo Bianconi ret = devm_request_irq(dev->mt76.dev, pdev->irq, mt76x2_irq_handler, 621613c621SLorenzo Bianconi IRQF_SHARED, KBUILD_MODNAME, dev); 631613c621SLorenzo Bianconi if (ret) 641613c621SLorenzo Bianconi goto error; 651613c621SLorenzo Bianconi 661613c621SLorenzo Bianconi ret = mt76x2_register_device(dev); 671613c621SLorenzo Bianconi if (ret) 681613c621SLorenzo Bianconi goto error; 691613c621SLorenzo Bianconi 701613c621SLorenzo Bianconi /* Fix up ASPM configuration */ 711613c621SLorenzo Bianconi 721613c621SLorenzo Bianconi /* RG_SSUSB_G1_CDR_BIR_LTR = 0x9 */ 731613c621SLorenzo Bianconi mt76_rmw_field(dev, 0x15a10, 0x1f << 16, 0x9); 741613c621SLorenzo Bianconi 751613c621SLorenzo Bianconi /* RG_SSUSB_G1_CDR_BIC_LTR = 0xf */ 761613c621SLorenzo Bianconi mt76_rmw_field(dev, 0x15a0c, 0xf << 28, 0xf); 771613c621SLorenzo Bianconi 781613c621SLorenzo Bianconi /* RG_SSUSB_CDR_BR_PE1D = 0x3 */ 791613c621SLorenzo Bianconi mt76_rmw_field(dev, 0x15c58, 0x3 << 6, 0x3); 801613c621SLorenzo Bianconi 811613c621SLorenzo Bianconi return 0; 821613c621SLorenzo Bianconi 831613c621SLorenzo Bianconi error: 841613c621SLorenzo Bianconi ieee80211_free_hw(mt76_hw(dev)); 851613c621SLorenzo Bianconi return ret; 861613c621SLorenzo Bianconi } 871613c621SLorenzo Bianconi 881613c621SLorenzo Bianconi static void 891613c621SLorenzo Bianconi mt76pci_remove(struct pci_dev *pdev) 901613c621SLorenzo Bianconi { 911613c621SLorenzo Bianconi struct mt76_dev *mdev = pci_get_drvdata(pdev); 92e40803f2SLorenzo Bianconi struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76); 931613c621SLorenzo Bianconi 941613c621SLorenzo Bianconi mt76_unregister_device(mdev); 951613c621SLorenzo Bianconi mt76x2_cleanup(dev); 961613c621SLorenzo Bianconi ieee80211_free_hw(mdev->hw); 971613c621SLorenzo Bianconi } 981613c621SLorenzo Bianconi 991613c621SLorenzo Bianconi MODULE_DEVICE_TABLE(pci, mt76pci_device_table); 1001613c621SLorenzo Bianconi MODULE_FIRMWARE(MT7662_FIRMWARE); 1011613c621SLorenzo Bianconi MODULE_FIRMWARE(MT7662_ROM_PATCH); 1021613c621SLorenzo Bianconi MODULE_LICENSE("Dual BSD/GPL"); 1031613c621SLorenzo Bianconi 1041613c621SLorenzo Bianconi static struct pci_driver mt76pci_driver = { 1051613c621SLorenzo Bianconi .name = KBUILD_MODNAME, 1061613c621SLorenzo Bianconi .id_table = mt76pci_device_table, 1071613c621SLorenzo Bianconi .probe = mt76pci_probe, 1081613c621SLorenzo Bianconi .remove = mt76pci_remove, 1091613c621SLorenzo Bianconi }; 1101613c621SLorenzo Bianconi 1111613c621SLorenzo Bianconi module_pci_driver(mt76pci_driver); 112