Commit | Line | Data |
---|---|---|
1802d0be | 1 | // SPDX-License-Identifier: GPL-2.0-only |
ff69c75e SG |
2 | /* |
3 | * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> | |
ff69c75e SG |
4 | */ |
5 | ||
6 | #include <linux/kernel.h> | |
7 | #include <linux/module.h> | |
8 | #include <linux/usb.h> | |
9 | ||
10 | #include "mt76x0.h" | |
576ecf65 | 11 | #include "mcu.h" |
905db747 | 12 | #include "../mt76x02_usb.h" |
ff69c75e SG |
13 | |
14 | static struct usb_device_id mt76x0_device_table[] = { | |
15 | { USB_DEVICE(0x148F, 0x7610) }, /* MT7610U */ | |
16 | { USB_DEVICE(0x13B1, 0x003E) }, /* Linksys AE6000 */ | |
17 | { USB_DEVICE(0x0E8D, 0x7610) }, /* Sabrent NTWLAC */ | |
18 | { USB_DEVICE(0x7392, 0xa711) }, /* Edimax 7711mac */ | |
19 | { USB_DEVICE(0x7392, 0xb711) }, /* Edimax / Elecom */ | |
20 | { USB_DEVICE(0x148f, 0x761a) }, /* TP-Link TL-WDN5200 */ | |
21 | { USB_DEVICE(0x148f, 0x760a) }, /* TP-Link unknown */ | |
22 | { USB_DEVICE(0x0b05, 0x17d1) }, /* Asus USB-AC51 */ | |
23 | { USB_DEVICE(0x0b05, 0x17db) }, /* Asus USB-AC50 */ | |
24 | { USB_DEVICE(0x0df6, 0x0075) }, /* Sitecom WLA-3100 */ | |
25 | { USB_DEVICE(0x2019, 0xab31) }, /* Planex GW-450D */ | |
26 | { USB_DEVICE(0x2001, 0x3d02) }, /* D-LINK DWA-171 rev B1 */ | |
27 | { USB_DEVICE(0x0586, 0x3425) }, /* Zyxel NWD6505 */ | |
28 | { USB_DEVICE(0x07b8, 0x7610) }, /* AboCom AU7212 */ | |
29 | { USB_DEVICE(0x04bb, 0x0951) }, /* I-O DATA WN-AC433UK */ | |
30 | { USB_DEVICE(0x057c, 0x8502) }, /* AVM FRITZ!WLAN USB Stick AC 430 */ | |
31 | { USB_DEVICE(0x293c, 0x5702) }, /* Comcast Xfinity KXW02AAA */ | |
32 | { USB_DEVICE(0x20f4, 0x806b) }, /* TRENDnet TEW-806UBH */ | |
33 | { USB_DEVICE(0x7392, 0xc711) }, /* Devolo Wifi ac Stick */ | |
34 | { USB_DEVICE(0x0df6, 0x0079) }, /* Sitecom Europe B.V. ac Stick */ | |
51bf9d60 EW |
35 | { USB_DEVICE(0x2357, 0x0123) }, /* TP-LINK T2UHP_US_v1 */ |
36 | { USB_DEVICE(0x2357, 0x010b) }, /* TP-LINK T2UHP_UN_v1 */ | |
ff97c52a RL |
37 | /* TP-LINK Archer T1U */ |
38 | { USB_DEVICE(0x2357, 0x0105), .driver_info = 1, }, | |
39 | /* MT7630U */ | |
40 | { USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7630, 0xff, 0x2, 0xff)}, | |
41 | /* MT7650U */ | |
42 | { USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7650, 0xff, 0x2, 0xff)}, | |
ff69c75e SG |
43 | { 0, } |
44 | }; | |
45 | ||
b2d871c0 | 46 | static void mt76x0_init_usb_dma(struct mt76x02_dev *dev) |
faa605bd LB |
47 | { |
48 | u32 val; | |
49 | ||
50 | val = mt76_rr(dev, MT_USB_DMA_CFG); | |
51 | ||
52 | val |= MT_USB_DMA_CFG_RX_BULK_EN | | |
53 | MT_USB_DMA_CFG_TX_BULK_EN; | |
54 | ||
55 | /* disable AGGR_BULK_RX in order to receive one | |
56 | * frame in each rx urb and avoid copies | |
57 | */ | |
58 | val &= ~MT_USB_DMA_CFG_RX_BULK_AGG_EN; | |
59 | mt76_wr(dev, MT_USB_DMA_CFG, val); | |
60 | ||
61 | val = mt76_rr(dev, MT_COM_REG0); | |
62 | if (val & 1) | |
63 | dev_dbg(dev->mt76.dev, "MCU not ready\n"); | |
64 | ||
65 | val = mt76_rr(dev, MT_USB_DMA_CFG); | |
66 | ||
67 | val |= MT_USB_DMA_CFG_RX_DROP_OR_PAD; | |
68 | mt76_wr(dev, MT_USB_DMA_CFG, val); | |
69 | val &= ~MT_USB_DMA_CFG_RX_DROP_OR_PAD; | |
70 | mt76_wr(dev, MT_USB_DMA_CFG, val); | |
71 | } | |
72 | ||
b2d871c0 | 73 | static void mt76x0u_cleanup(struct mt76x02_dev *dev) |
faa605bd | 74 | { |
011849e0 | 75 | clear_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); |
faa605bd LB |
76 | mt76x0_chip_onoff(dev, false, false); |
77 | mt76u_queues_deinit(&dev->mt76); | |
faa605bd LB |
78 | } |
79 | ||
1decf05d | 80 | static void mt76x0u_stop(struct ieee80211_hw *hw, bool suspend) |
b11e1969 | 81 | { |
091a79fd SG |
82 | struct mt76x02_dev *dev = hw->priv; |
83 | ||
011849e0 | 84 | clear_bit(MT76_STATE_RUNNING, &dev->mphy.state); |
b11e1969 | 85 | cancel_delayed_work_sync(&dev->cal_work); |
a782f8bf | 86 | cancel_delayed_work_sync(&dev->mphy.mac_work); |
39d501d9 | 87 | mt76u_stop_tx(&dev->mt76); |
c6ad1feb | 88 | mt76x02u_exit_beacon_config(dev); |
b11e1969 | 89 | |
011849e0 | 90 | if (test_bit(MT76_REMOVED, &dev->mphy.state)) |
14190227 LB |
91 | return; |
92 | ||
b11e1969 LB |
93 | if (!mt76_poll(dev, MT_USB_DMA_CFG, MT_USB_DMA_CFG_TX_BUSY, 0, 1000)) |
94 | dev_warn(dev->mt76.dev, "TX DMA did not stop\n"); | |
95 | ||
96 | mt76x0_mac_stop(dev); | |
97 | ||
98 | if (!mt76_poll(dev, MT_USB_DMA_CFG, MT_USB_DMA_CFG_RX_BUSY, 0, 1000)) | |
99 | dev_warn(dev->mt76.dev, "RX DMA did not stop\n"); | |
100 | } | |
101 | ||
102 | static int mt76x0u_start(struct ieee80211_hw *hw) | |
103 | { | |
b2d871c0 | 104 | struct mt76x02_dev *dev = hw->priv; |
b11e1969 LB |
105 | int ret; |
106 | ||
fdb96b06 | 107 | ret = mt76x02u_mac_start(dev); |
b11e1969 | 108 | if (ret) |
091a79fd | 109 | return ret; |
b11e1969 | 110 | |
1163bdb6 | 111 | mt76x0_phy_calibrate(dev, true); |
a782f8bf | 112 | ieee80211_queue_delayed_work(dev->mt76.hw, &dev->mphy.mac_work, |
2e405024 | 113 | MT_MAC_WORK_INTERVAL); |
b11e1969 LB |
114 | ieee80211_queue_delayed_work(dev->mt76.hw, &dev->cal_work, |
115 | MT_CALIBRATE_INTERVAL); | |
011849e0 | 116 | set_bit(MT76_STATE_RUNNING, &dev->mphy.state); |
091a79fd | 117 | return 0; |
b11e1969 LB |
118 | } |
119 | ||
120 | static const struct ieee80211_ops mt76x0u_ops = { | |
0a44dfc0 JB |
121 | .add_chanctx = ieee80211_emulate_add_chanctx, |
122 | .remove_chanctx = ieee80211_emulate_remove_chanctx, | |
123 | .change_chanctx = ieee80211_emulate_change_chanctx, | |
124 | .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx, | |
2f0308d0 | 125 | .tx = mt76x02_tx, |
b11e1969 LB |
126 | .start = mt76x0u_start, |
127 | .stop = mt76x0u_stop, | |
128 | .add_interface = mt76x02_add_interface, | |
129 | .remove_interface = mt76x02_remove_interface, | |
130 | .config = mt76x0_config, | |
131 | .configure_filter = mt76x02_configure_filter, | |
cc726268 | 132 | .bss_info_changed = mt76x02_bss_info_changed, |
e28487ea | 133 | .sta_state = mt76_sta_state, |
43ba1922 | 134 | .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, |
b11e1969 LB |
135 | .set_key = mt76x02_set_key, |
136 | .conf_tx = mt76x02_conf_tx, | |
8b8ab5c2 | 137 | .sw_scan_start = mt76_sw_scan, |
c2756a1c | 138 | .sw_scan_complete = mt76x02_sw_scan_complete, |
b11e1969 LB |
139 | .ampdu_action = mt76x02_ampdu_action, |
140 | .sta_rate_tbl_update = mt76x02_sta_rate_tbl_update, | |
317ed42b | 141 | .set_rts_threshold = mt76x02_set_rts_threshold, |
b11e1969 | 142 | .wake_tx_queue = mt76_wake_tx_queue, |
9313faac | 143 | .get_txpower = mt76_get_txpower, |
168aea24 | 144 | .get_survey = mt76_get_survey, |
87d53103 | 145 | .set_tim = mt76_set_tim, |
8300ee7c | 146 | .release_buffered_frames = mt76_release_buffered_frames, |
e49c76d4 | 147 | .get_antenna = mt76_get_antenna, |
633f77b5 | 148 | .set_sar_specs = mt76x0_set_sar_specs, |
b11e1969 LB |
149 | }; |
150 | ||
8f2d163c | 151 | static int mt76x0u_init_hardware(struct mt76x02_dev *dev, bool reset) |
faa605bd | 152 | { |
faa605bd LB |
153 | int err; |
154 | ||
8f2d163c | 155 | mt76x0_chip_onoff(dev, true, reset); |
d04ca383 SG |
156 | |
157 | if (!mt76x02_wait_for_mac(&dev->mt76)) | |
158 | return -ETIMEDOUT; | |
faa605bd LB |
159 | |
160 | err = mt76x0u_mcu_init(dev); | |
161 | if (err < 0) | |
d04ca383 | 162 | return err; |
faa605bd LB |
163 | |
164 | mt76x0_init_usb_dma(dev); | |
165 | err = mt76x0_init_hardware(dev); | |
166 | if (err < 0) | |
d04ca383 | 167 | return err; |
faa605bd | 168 | |
8d71aef9 SG |
169 | mt76x02u_init_beacon_config(dev); |
170 | ||
faa605bd LB |
171 | mt76_rmw(dev, MT_US_CYC_CFG, MT_US_CYC_CNT, 0x1e); |
172 | mt76_wr(dev, MT_TXOP_CTRL_CFG, | |
173 | FIELD_PREP(MT_TXOP_TRUN_EN, 0x3f) | | |
174 | FIELD_PREP(MT_TXOP_EXT_CCA_DLY, 0x58)); | |
175 | ||
d04ca383 SG |
176 | return 0; |
177 | } | |
178 | ||
179 | static int mt76x0u_register_device(struct mt76x02_dev *dev) | |
180 | { | |
181 | struct ieee80211_hw *hw = dev->mt76.hw; | |
9aeb0d11 | 182 | struct mt76_usb *usb = &dev->mt76.usb; |
d04ca383 SG |
183 | int err; |
184 | ||
9aeb0d11 LB |
185 | usb->mcu.data = devm_kmalloc(dev->mt76.dev, MCU_RESP_URB_SIZE, |
186 | GFP_KERNEL); | |
187 | if (!usb->mcu.data) | |
188 | return -ENOMEM; | |
189 | ||
d04ca383 SG |
190 | err = mt76u_alloc_queues(&dev->mt76); |
191 | if (err < 0) | |
192 | goto out_err; | |
193 | ||
8f2d163c | 194 | err = mt76x0u_init_hardware(dev, true); |
d04ca383 SG |
195 | if (err < 0) |
196 | goto out_err; | |
197 | ||
a1ea1d68 LB |
198 | /* check hw sg support in order to enable AMSDU */ |
199 | hw->max_tx_fragments = dev->mt76.usb.sg_en ? MT_TX_SG_MAX_SIZE : 1; | |
faa605bd LB |
200 | err = mt76x0_register_device(dev); |
201 | if (err < 0) | |
0536478c | 202 | goto out_err; |
faa605bd | 203 | |
011849e0 | 204 | set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); |
faa605bd LB |
205 | |
206 | return 0; | |
207 | ||
0536478c | 208 | out_err: |
faa605bd LB |
209 | mt76x0u_cleanup(dev); |
210 | return err; | |
211 | } | |
212 | ||
6d1bced1 | 213 | static int mt76x0u_probe(struct usb_interface *usb_intf, |
ff69c75e SG |
214 | const struct usb_device_id *id) |
215 | { | |
835123b7 | 216 | static const struct mt76_driver_ops drv_ops = { |
5ce09c1a | 217 | .drv_flags = MT_DRV_SW_RX_AIRTIME, |
355f8d00 | 218 | .survey_flags = SURVEY_INFO_TIME_TX, |
168aea24 | 219 | .update_survey = mt76x02_update_channel, |
f4fdd771 | 220 | .set_channel = mt76x0_set_channel, |
c4ed5088 | 221 | .tx_prepare_skb = mt76x02u_tx_prepare_skb, |
b38383e6 | 222 | .tx_complete_skb = mt76x02u_tx_complete_skb, |
835123b7 | 223 | .tx_status_data = mt76x02_tx_status_data, |
9ba1e0e6 | 224 | .rx_skb = mt76x02_queue_rx_skb, |
2baed5db | 225 | .sta_ps = mt76x02_sta_ps, |
e28487ea FF |
226 | .sta_add = mt76x02_sta_add, |
227 | .sta_remove = mt76x02_sta_remove, | |
835123b7 | 228 | }; |
ff69c75e | 229 | struct usb_device *usb_dev = interface_to_usbdev(usb_intf); |
b2d871c0 | 230 | struct mt76x02_dev *dev; |
fa235526 | 231 | struct mt76_dev *mdev; |
40b94161 | 232 | u32 mac_rev; |
ff69c75e | 233 | int ret; |
ff69c75e | 234 | |
80df01f4 | 235 | mdev = mt76_alloc_device(&usb_intf->dev, sizeof(*dev), &mt76x0u_ops, |
fa235526 LB |
236 | &drv_ops); |
237 | if (!mdev) | |
ff69c75e SG |
238 | return -ENOMEM; |
239 | ||
fa235526 LB |
240 | dev = container_of(mdev, struct mt76x02_dev, mt76); |
241 | mutex_init(&dev->phy_mutex); | |
242 | ||
d6500cf3 SG |
243 | /* Quirk for Archer T1U */ |
244 | if (id->driver_info) | |
245 | dev->no_2ghz = true; | |
246 | ||
ff69c75e SG |
247 | usb_dev = usb_get_dev(usb_dev); |
248 | usb_reset_device(usb_dev); | |
249 | ||
250 | usb_set_intfdata(usb_intf, dev); | |
251 | ||
fa235526 | 252 | mt76x02u_init_mcu(mdev); |
6cb596ba | 253 | ret = mt76u_init(mdev, usb_intf); |
ff69c75e SG |
254 | if (ret) |
255 | goto err; | |
369bbecd | 256 | |
ff97c52a | 257 | /* Disable the HW, otherwise MCU fail to initialize on hot reboot */ |
369bbecd SG |
258 | mt76x0_chip_onoff(dev, false, false); |
259 | ||
fa235526 | 260 | if (!mt76x02_wait_for_mac(mdev)) { |
2735a6dd | 261 | ret = -ETIMEDOUT; |
ff69c75e | 262 | goto err; |
2735a6dd | 263 | } |
ff69c75e | 264 | |
40b94161 | 265 | mdev->rev = mt76_rr(dev, MT_ASIC_VERSION); |
ff69c75e | 266 | mac_rev = mt76_rr(dev, MT_MAC_CSR0); |
fa235526 | 267 | dev_info(mdev->dev, "ASIC revision: %08x MAC revision: %08x\n", |
40b94161 SG |
268 | mdev->rev, mac_rev); |
269 | if (!is_mt76x0(dev)) { | |
270 | ret = -ENODEV; | |
271 | goto err; | |
272 | } | |
ff69c75e SG |
273 | |
274 | /* Note: vendor driver skips this check for MT76X0U */ | |
275 | if (!(mt76_rr(dev, MT_EFUSE_CTRL) & MT_EFUSE_CTRL_SEL)) | |
fa235526 | 276 | dev_warn(mdev->dev, "Warning: eFUSE not present\n"); |
ff69c75e | 277 | |
faa605bd | 278 | ret = mt76x0u_register_device(dev); |
6d1bced1 SG |
279 | if (ret < 0) |
280 | goto err; | |
281 | ||
ff69c75e | 282 | return 0; |
faa605bd | 283 | |
ff69c75e SG |
284 | err: |
285 | usb_set_intfdata(usb_intf, NULL); | |
286 | usb_put_dev(interface_to_usbdev(usb_intf)); | |
be83a7e2 | 287 | mt76u_queues_deinit(&dev->mt76); |
a86f1d01 | 288 | mt76_free_device(&dev->mt76); |
ff69c75e | 289 | |
ff69c75e SG |
290 | return ret; |
291 | } | |
292 | ||
293 | static void mt76x0_disconnect(struct usb_interface *usb_intf) | |
294 | { | |
b2d871c0 | 295 | struct mt76x02_dev *dev = usb_get_intfdata(usb_intf); |
011849e0 | 296 | bool initialized = test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); |
ff69c75e | 297 | |
ff97c52a | 298 | if (!initialized) |
ff69c75e SG |
299 | return; |
300 | ||
301 | ieee80211_unregister_hw(dev->mt76.hw); | |
faa605bd | 302 | mt76x0u_cleanup(dev); |
ff69c75e SG |
303 | |
304 | usb_set_intfdata(usb_intf, NULL); | |
305 | usb_put_dev(interface_to_usbdev(usb_intf)); | |
306 | ||
a86f1d01 | 307 | mt76_free_device(&dev->mt76); |
ff69c75e SG |
308 | } |
309 | ||
6f15ed16 LB |
310 | static int __maybe_unused mt76x0_suspend(struct usb_interface *usb_intf, |
311 | pm_message_t state) | |
ff69c75e | 312 | { |
b2d871c0 | 313 | struct mt76x02_dev *dev = usb_get_intfdata(usb_intf); |
ff69c75e | 314 | |
39d501d9 | 315 | mt76u_stop_rx(&dev->mt76); |
011849e0 | 316 | clear_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); |
d04ca383 | 317 | mt76x0_chip_onoff(dev, false, false); |
ff69c75e SG |
318 | |
319 | return 0; | |
320 | } | |
321 | ||
6f15ed16 | 322 | static int __maybe_unused mt76x0_resume(struct usb_interface *usb_intf) |
ff69c75e | 323 | { |
b2d871c0 | 324 | struct mt76x02_dev *dev = usb_get_intfdata(usb_intf); |
ff69c75e SG |
325 | int ret; |
326 | ||
39d501d9 | 327 | ret = mt76u_resume_rx(&dev->mt76); |
6f15ed16 LB |
328 | if (ret < 0) |
329 | goto err; | |
330 | ||
8f2d163c | 331 | ret = mt76x0u_init_hardware(dev, false); |
6f15ed16 LB |
332 | if (ret) |
333 | goto err; | |
ff69c75e SG |
334 | |
335 | return 0; | |
6f15ed16 | 336 | err: |
faa605bd | 337 | mt76x0u_cleanup(dev); |
6f15ed16 | 338 | return ret; |
ff69c75e SG |
339 | } |
340 | ||
341 | MODULE_DEVICE_TABLE(usb, mt76x0_device_table); | |
f4730140 LB |
342 | MODULE_FIRMWARE(MT7610E_FIRMWARE); |
343 | MODULE_FIRMWARE(MT7610U_FIRMWARE); | |
f3f8f050 | 344 | MODULE_DESCRIPTION("MediaTek MT76x0U (USB) wireless driver"); |
ff69c75e SG |
345 | MODULE_LICENSE("GPL"); |
346 | ||
347 | static struct usb_driver mt76x0_driver = { | |
348 | .name = KBUILD_MODNAME, | |
349 | .id_table = mt76x0_device_table, | |
6d1bced1 | 350 | .probe = mt76x0u_probe, |
ff69c75e SG |
351 | .disconnect = mt76x0_disconnect, |
352 | .suspend = mt76x0_suspend, | |
353 | .resume = mt76x0_resume, | |
354 | .reset_resume = mt76x0_resume, | |
355 | .soft_unbind = 1, | |
356 | .disable_hub_initiated_lpm = 1, | |
357 | }; | |
358 | module_usb_driver(mt76x0_driver); |