1 #include <linux/kernel.h> 2 #include <linux/module.h> 3 4 #include "mt7615.h" 5 #include "mac.h" 6 #include "../trace.h" 7 8 u32 mt7615_reg_map(struct mt7615_dev *dev, u32 addr) 9 { 10 u32 base = addr & MT_MCU_PCIE_REMAP_2_BASE; 11 u32 offset = addr & MT_MCU_PCIE_REMAP_2_OFFSET; 12 13 mt76_wr(dev, MT_MCU_PCIE_REMAP_2, base); 14 15 return MT_PCIE_REMAP_BASE_2 + offset; 16 } 17 18 static void 19 mt7615_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q) 20 { 21 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76); 22 23 mt7615_irq_enable(dev, MT_INT_RX_DONE(q)); 24 } 25 26 static irqreturn_t mt7615_irq_handler(int irq, void *dev_instance) 27 { 28 struct mt7615_dev *dev = dev_instance; 29 u32 intr; 30 31 intr = mt76_rr(dev, MT_INT_SOURCE_CSR); 32 mt76_wr(dev, MT_INT_SOURCE_CSR, intr); 33 34 if (!test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state)) 35 return IRQ_NONE; 36 37 trace_dev_irq(&dev->mt76, intr, dev->mt76.mmio.irqmask); 38 39 intr &= dev->mt76.mmio.irqmask; 40 41 if (intr & MT_INT_TX_DONE_ALL) { 42 mt7615_irq_disable(dev, MT_INT_TX_DONE_ALL); 43 napi_schedule(&dev->mt76.tx_napi); 44 } 45 46 if (intr & MT_INT_RX_DONE(0)) { 47 mt7615_irq_disable(dev, MT_INT_RX_DONE(0)); 48 napi_schedule(&dev->mt76.napi[0]); 49 } 50 51 if (intr & MT_INT_RX_DONE(1)) { 52 mt7615_irq_disable(dev, MT_INT_RX_DONE(1)); 53 napi_schedule(&dev->mt76.napi[1]); 54 } 55 56 if (intr & MT_INT_MCU_CMD) { 57 u32 val = mt76_rr(dev, MT_MCU_CMD); 58 59 if (val & MT_MCU_CMD_ERROR_MASK) { 60 dev->reset_state = val; 61 ieee80211_queue_work(mt76_hw(dev), &dev->reset_work); 62 wake_up(&dev->reset_wait); 63 } 64 } 65 66 return IRQ_HANDLED; 67 } 68 69 int mt7615_mmio_probe(struct device *pdev, void __iomem *mem_base, int irq) 70 { 71 static const struct mt76_driver_ops drv_ops = { 72 /* txwi_size = txd size + txp size */ 73 .txwi_size = MT_TXD_SIZE + sizeof(struct mt7615_txp_common), 74 .drv_flags = MT_DRV_TXWI_NO_FREE, 75 .survey_flags = SURVEY_INFO_TIME_TX | 76 SURVEY_INFO_TIME_RX | 77 SURVEY_INFO_TIME_BSS_RX, 78 .tx_prepare_skb = mt7615_tx_prepare_skb, 79 .tx_complete_skb = mt7615_tx_complete_skb, 80 .rx_skb = mt7615_queue_rx_skb, 81 .rx_poll_complete = mt7615_rx_poll_complete, 82 .sta_ps = mt7615_sta_ps, 83 .sta_add = mt7615_mac_sta_add, 84 .sta_remove = mt7615_mac_sta_remove, 85 .update_survey = mt7615_update_channel, 86 }; 87 struct mt7615_dev *dev; 88 struct mt76_dev *mdev; 89 int ret; 90 91 mdev = mt76_alloc_device(pdev, sizeof(*dev), &mt7615_ops, &drv_ops); 92 if (!mdev) 93 return -ENOMEM; 94 95 dev = container_of(mdev, struct mt7615_dev, mt76); 96 mt76_mmio_init(&dev->mt76, mem_base); 97 98 mdev->rev = (mt76_rr(dev, MT_HW_CHIPID) << 16) | 99 (mt76_rr(dev, MT_HW_REV) & 0xff); 100 dev_dbg(mdev->dev, "ASIC revision: %04x\n", mdev->rev); 101 102 ret = devm_request_irq(mdev->dev, irq, mt7615_irq_handler, 103 IRQF_SHARED, KBUILD_MODNAME, dev); 104 if (ret) 105 goto error; 106 107 ret = mt7615_register_device(dev); 108 if (ret) 109 goto error; 110 111 return 0; 112 error: 113 ieee80211_free_hw(mt76_hw(dev)); 114 return ret; 115 } 116