This source file includes following definitions.
- mt76x0e_start
- mt76x0e_stop_hw
- mt76x0e_stop
- mt76x0e_set_key
- mt76x0e_flush
- mt76x0e_register_device
- mt76x0e_probe
- mt76x0e_cleanup
- mt76x0e_remove
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5
6 #include <linux/kernel.h>
7 #include <linux/module.h>
8 #include <linux/pci.h>
9
10 #include "mt76x0.h"
11 #include "mcu.h"
12
13 static int mt76x0e_start(struct ieee80211_hw *hw)
14 {
15 struct mt76x02_dev *dev = hw->priv;
16
17 mt76x02_mac_start(dev);
18 mt76x0_phy_calibrate(dev, true);
19 ieee80211_queue_delayed_work(dev->mt76.hw, &dev->mt76.mac_work,
20 MT_MAC_WORK_INTERVAL);
21 ieee80211_queue_delayed_work(dev->mt76.hw, &dev->cal_work,
22 MT_CALIBRATE_INTERVAL);
23 set_bit(MT76_STATE_RUNNING, &dev->mt76.state);
24
25 return 0;
26 }
27
28 static void mt76x0e_stop_hw(struct mt76x02_dev *dev)
29 {
30 cancel_delayed_work_sync(&dev->cal_work);
31 cancel_delayed_work_sync(&dev->mt76.mac_work);
32
33 if (!mt76_poll(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_TX_DMA_BUSY,
34 0, 1000))
35 dev_warn(dev->mt76.dev, "TX DMA did not stop\n");
36 mt76_clear(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_TX_DMA_EN);
37
38 mt76x0_mac_stop(dev);
39
40 if (!mt76_poll(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_RX_DMA_BUSY,
41 0, 1000))
42 dev_warn(dev->mt76.dev, "TX DMA did not stop\n");
43 mt76_clear(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_RX_DMA_EN);
44 }
45
46 static void mt76x0e_stop(struct ieee80211_hw *hw)
47 {
48 struct mt76x02_dev *dev = hw->priv;
49
50 clear_bit(MT76_STATE_RUNNING, &dev->mt76.state);
51 mt76x0e_stop_hw(dev);
52 }
53
54 static int
55 mt76x0e_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
56 struct ieee80211_vif *vif, struct ieee80211_sta *sta,
57 struct ieee80211_key_conf *key)
58 {
59 struct mt76x02_dev *dev = hw->priv;
60
61 if (is_mt7630(dev))
62 return -EOPNOTSUPP;
63
64 return mt76x02_set_key(hw, cmd, vif, sta, key);
65 }
66
67 static void
68 mt76x0e_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
69 u32 queues, bool drop)
70 {
71 }
72
73 static const struct ieee80211_ops mt76x0e_ops = {
74 .tx = mt76x02_tx,
75 .start = mt76x0e_start,
76 .stop = mt76x0e_stop,
77 .add_interface = mt76x02_add_interface,
78 .remove_interface = mt76x02_remove_interface,
79 .config = mt76x0_config,
80 .configure_filter = mt76x02_configure_filter,
81 .bss_info_changed = mt76x02_bss_info_changed,
82 .sta_state = mt76_sta_state,
83 .set_key = mt76x0e_set_key,
84 .conf_tx = mt76x02_conf_tx,
85 .sw_scan_start = mt76_sw_scan,
86 .sw_scan_complete = mt76x02_sw_scan_complete,
87 .ampdu_action = mt76x02_ampdu_action,
88 .sta_rate_tbl_update = mt76x02_sta_rate_tbl_update,
89 .wake_tx_queue = mt76_wake_tx_queue,
90 .get_survey = mt76_get_survey,
91 .get_txpower = mt76_get_txpower,
92 .flush = mt76x0e_flush,
93 .set_tim = mt76_set_tim,
94 .release_buffered_frames = mt76_release_buffered_frames,
95 .set_coverage_class = mt76x02_set_coverage_class,
96 .set_rts_threshold = mt76x02_set_rts_threshold,
97 };
98
99 static int mt76x0e_register_device(struct mt76x02_dev *dev)
100 {
101 int err;
102
103 mt76x0_chip_onoff(dev, true, false);
104 if (!mt76x02_wait_for_mac(&dev->mt76))
105 return -ETIMEDOUT;
106
107 mt76x02_dma_disable(dev);
108 err = mt76x0e_mcu_init(dev);
109 if (err < 0)
110 return err;
111
112 err = mt76x02_dma_init(dev);
113 if (err < 0)
114 return err;
115
116 err = mt76x0_init_hardware(dev);
117 if (err < 0)
118 return err;
119
120 mt76x02e_init_beacon_config(dev);
121
122 if (mt76_chip(&dev->mt76) == 0x7610) {
123 u16 val;
124
125 mt76_clear(dev, MT_COEXCFG0, BIT(0));
126
127 val = mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_0);
128 if (!(val & MT_EE_NIC_CONF_0_PA_IO_CURRENT))
129 mt76_set(dev, MT_XO_CTRL7, 0xc03);
130 }
131
132 mt76_clear(dev, 0x110, BIT(9));
133 mt76_set(dev, MT_MAX_LEN_CFG, BIT(13));
134
135 mt76_wr(dev, MT_CH_TIME_CFG,
136 MT_CH_TIME_CFG_TIMER_EN |
137 MT_CH_TIME_CFG_TX_AS_BUSY |
138 MT_CH_TIME_CFG_RX_AS_BUSY |
139 MT_CH_TIME_CFG_NAV_AS_BUSY |
140 MT_CH_TIME_CFG_EIFS_AS_BUSY |
141 MT_CH_CCA_RC_EN |
142 FIELD_PREP(MT_CH_TIME_CFG_CH_TIMER_CLR, 1));
143
144 err = mt76x0_register_device(dev);
145 if (err < 0)
146 return err;
147
148 set_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
149
150 return 0;
151 }
152
153 static int
154 mt76x0e_probe(struct pci_dev *pdev, const struct pci_device_id *id)
155 {
156 static const struct mt76_driver_ops drv_ops = {
157 .txwi_size = sizeof(struct mt76x02_txwi),
158 .tx_aligned4_skbs = true,
159 .update_survey = mt76x02_update_channel,
160 .tx_prepare_skb = mt76x02_tx_prepare_skb,
161 .tx_complete_skb = mt76x02_tx_complete_skb,
162 .rx_skb = mt76x02_queue_rx_skb,
163 .rx_poll_complete = mt76x02_rx_poll_complete,
164 .sta_ps = mt76x02_sta_ps,
165 .sta_add = mt76x02_sta_add,
166 .sta_remove = mt76x02_sta_remove,
167 };
168 struct mt76x02_dev *dev;
169 struct mt76_dev *mdev;
170 int ret;
171
172 ret = pcim_enable_device(pdev);
173 if (ret)
174 return ret;
175
176 ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev));
177 if (ret)
178 return ret;
179
180 pci_set_master(pdev);
181
182 ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
183 if (ret)
184 return ret;
185
186 mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt76x0e_ops,
187 &drv_ops);
188 if (!mdev)
189 return -ENOMEM;
190
191 dev = container_of(mdev, struct mt76x02_dev, mt76);
192 mutex_init(&dev->phy_mutex);
193
194 mt76_mmio_init(mdev, pcim_iomap_table(pdev)[0]);
195
196 mdev->rev = mt76_rr(dev, MT_ASIC_VERSION);
197 dev_info(mdev->dev, "ASIC revision: %08x\n", mdev->rev);
198
199 ret = devm_request_irq(mdev->dev, pdev->irq, mt76x02_irq_handler,
200 IRQF_SHARED, KBUILD_MODNAME, dev);
201 if (ret)
202 goto error;
203
204 ret = mt76x0e_register_device(dev);
205 if (ret < 0)
206 goto error;
207
208 return 0;
209
210 error:
211 ieee80211_free_hw(mt76_hw(dev));
212 return ret;
213 }
214
215 static void mt76x0e_cleanup(struct mt76x02_dev *dev)
216 {
217 clear_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
218 tasklet_disable(&dev->mt76.pre_tbtt_tasklet);
219 mt76x0_chip_onoff(dev, false, false);
220 mt76x0e_stop_hw(dev);
221 mt76x02_dma_cleanup(dev);
222 mt76x02_mcu_cleanup(dev);
223 }
224
225 static void
226 mt76x0e_remove(struct pci_dev *pdev)
227 {
228 struct mt76_dev *mdev = pci_get_drvdata(pdev);
229 struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76);
230
231 mt76_unregister_device(mdev);
232 mt76x0e_cleanup(dev);
233 mt76_free_device(mdev);
234 }
235
236 static const struct pci_device_id mt76x0e_device_table[] = {
237 { PCI_DEVICE(0x14c3, 0x7630) },
238 { PCI_DEVICE(0x14c3, 0x7650) },
239 { },
240 };
241
242 MODULE_DEVICE_TABLE(pci, mt76x0e_device_table);
243 MODULE_FIRMWARE(MT7610E_FIRMWARE);
244 MODULE_FIRMWARE(MT7650E_FIRMWARE);
245 MODULE_LICENSE("Dual BSD/GPL");
246
247 static struct pci_driver mt76x0e_driver = {
248 .name = KBUILD_MODNAME,
249 .id_table = mt76x0e_device_table,
250 .probe = mt76x0e_probe,
251 .remove = mt76x0e_remove,
252 };
253
254 module_pci_driver(mt76x0e_driver);