This source file includes following definitions.
- mt7615_reg_map
- mt7615_rx_poll_complete
- mt7615_irq_handler
- mt7615_pci_probe
- mt7615_pci_remove
1
2
3
4
5
6
7
8 #include <linux/kernel.h>
9 #include <linux/module.h>
10 #include <linux/pci.h>
11
12 #include "mt7615.h"
13 #include "mac.h"
14
15 static const struct pci_device_id mt7615_pci_device_table[] = {
16 { PCI_DEVICE(0x14c3, 0x7615) },
17 { },
18 };
19
20 u32 mt7615_reg_map(struct mt7615_dev *dev, u32 addr)
21 {
22 u32 base = addr & MT_MCU_PCIE_REMAP_2_BASE;
23 u32 offset = addr & MT_MCU_PCIE_REMAP_2_OFFSET;
24
25 mt76_wr(dev, MT_MCU_PCIE_REMAP_2, base);
26
27 return MT_PCIE_REMAP_BASE_2 + offset;
28 }
29
30 static void
31 mt7615_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q)
32 {
33 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
34
35 mt7615_irq_enable(dev, MT_INT_RX_DONE(q));
36 }
37
38 static irqreturn_t mt7615_irq_handler(int irq, void *dev_instance)
39 {
40 struct mt7615_dev *dev = dev_instance;
41 u32 intr;
42
43 intr = mt76_rr(dev, MT_INT_SOURCE_CSR);
44 mt76_wr(dev, MT_INT_SOURCE_CSR, intr);
45
46 if (!test_bit(MT76_STATE_INITIALIZED, &dev->mt76.state))
47 return IRQ_NONE;
48
49 intr &= dev->mt76.mmio.irqmask;
50
51 if (intr & MT_INT_TX_DONE_ALL) {
52 mt7615_irq_disable(dev, MT_INT_TX_DONE_ALL);
53 napi_schedule(&dev->mt76.tx_napi);
54 }
55
56 if (intr & MT_INT_RX_DONE(0)) {
57 mt7615_irq_disable(dev, MT_INT_RX_DONE(0));
58 napi_schedule(&dev->mt76.napi[0]);
59 }
60
61 if (intr & MT_INT_RX_DONE(1)) {
62 mt7615_irq_disable(dev, MT_INT_RX_DONE(1));
63 napi_schedule(&dev->mt76.napi[1]);
64 }
65
66 return IRQ_HANDLED;
67 }
68
69 static int mt7615_pci_probe(struct pci_dev *pdev,
70 const struct pci_device_id *id)
71 {
72 static const struct mt76_driver_ops drv_ops = {
73
74 .txwi_size = MT_TXD_SIZE + sizeof(struct mt7615_txp),
75 .txwi_flags = MT_TXWI_NO_FREE,
76 .tx_prepare_skb = mt7615_tx_prepare_skb,
77 .tx_complete_skb = mt7615_tx_complete_skb,
78 .rx_skb = mt7615_queue_rx_skb,
79 .rx_poll_complete = mt7615_rx_poll_complete,
80 .sta_ps = mt7615_sta_ps,
81 .sta_add = mt7615_sta_add,
82 .sta_assoc = mt7615_sta_assoc,
83 .sta_remove = mt7615_sta_remove,
84 .update_survey = mt7615_update_channel,
85 };
86 struct mt7615_dev *dev;
87 struct mt76_dev *mdev;
88 int ret;
89
90 ret = pcim_enable_device(pdev);
91 if (ret)
92 return ret;
93
94 ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev));
95 if (ret)
96 return ret;
97
98 pci_set_master(pdev);
99
100 ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
101 if (ret)
102 return ret;
103
104 mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt7615_ops,
105 &drv_ops);
106 if (!mdev)
107 return -ENOMEM;
108
109 dev = container_of(mdev, struct mt7615_dev, mt76);
110 mt76_mmio_init(&dev->mt76, pcim_iomap_table(pdev)[0]);
111
112 mdev->rev = (mt76_rr(dev, MT_HW_CHIPID) << 16) |
113 (mt76_rr(dev, MT_HW_REV) & 0xff);
114 dev_dbg(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
115
116 ret = devm_request_irq(mdev->dev, pdev->irq, mt7615_irq_handler,
117 IRQF_SHARED, KBUILD_MODNAME, dev);
118 if (ret)
119 goto error;
120
121 ret = mt7615_register_device(dev);
122 if (ret)
123 goto error;
124
125 return 0;
126 error:
127 ieee80211_free_hw(mt76_hw(dev));
128 return ret;
129 }
130
131 static void mt7615_pci_remove(struct pci_dev *pdev)
132 {
133 struct mt76_dev *mdev = pci_get_drvdata(pdev);
134 struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
135
136 mt7615_unregister_device(dev);
137 }
138
139 struct pci_driver mt7615_pci_driver = {
140 .name = KBUILD_MODNAME,
141 .id_table = mt7615_pci_device_table,
142 .probe = mt7615_pci_probe,
143 .remove = mt7615_pci_remove,
144 };
145
146 module_pci_driver(mt7615_pci_driver);
147
148 MODULE_DEVICE_TABLE(pci, mt7615_pci_device_table);
149 MODULE_FIRMWARE(MT7615_FIRMWARE_CR4);
150 MODULE_FIRMWARE(MT7615_FIRMWARE_N9);
151 MODULE_FIRMWARE(MT7615_ROM_PATCH);
152 MODULE_LICENSE("Dual BSD/GPL");