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freebsd
GitHub Repository: freebsd/freebsd-src
Path: blob/main/sys/contrib/dev/mediatek/mt76/mt7921/pci.c
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1
// SPDX-License-Identifier: ISC
2
/* Copyright (C) 2020 MediaTek Inc.
3
*
4
*/
5
6
#if defined(__FreeBSD__)
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#define LINUXKPI_PARAM_PREFIX mt7921_pci_
8
#endif
9
10
#include <linux/kernel.h>
11
#include <linux/module.h>
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#include <linux/pci.h>
13
#include <linux/of.h>
14
15
#include "mt7921.h"
16
#include "../mt76_connac2_mac.h"
17
#include "../dma.h"
18
#include "mcu.h"
19
20
static const struct pci_device_id mt7921_pci_device_table[] = {
21
{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7961),
22
.driver_data = (kernel_ulong_t)MT7921_FIRMWARE_WM },
23
{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7922),
24
.driver_data = (kernel_ulong_t)MT7922_FIRMWARE_WM },
25
{ PCI_DEVICE(PCI_VENDOR_ID_ITTIM, 0x7922),
26
.driver_data = (kernel_ulong_t)MT7922_FIRMWARE_WM },
27
{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x0608),
28
.driver_data = (kernel_ulong_t)MT7921_FIRMWARE_WM },
29
{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x0616),
30
.driver_data = (kernel_ulong_t)MT7922_FIRMWARE_WM },
31
{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7920),
32
.driver_data = (kernel_ulong_t)MT7920_FIRMWARE_WM },
33
{ },
34
};
35
36
static bool mt7921_disable_aspm;
37
module_param_named(disable_aspm, mt7921_disable_aspm, bool, 0644);
38
MODULE_PARM_DESC(disable_aspm, "disable PCI ASPM support");
39
40
static int mt7921e_init_reset(struct mt792x_dev *dev)
41
{
42
return mt792x_wpdma_reset(dev, true);
43
}
44
45
static void mt7921e_unregister_device(struct mt792x_dev *dev)
46
{
47
int i;
48
struct mt76_connac_pm *pm = &dev->pm;
49
struct ieee80211_hw *hw = mt76_hw(dev);
50
51
if (dev->phy.chip_cap & MT792x_CHIP_CAP_WF_RF_PIN_CTRL_EVT_EN)
52
wiphy_rfkill_stop_polling(hw->wiphy);
53
54
cancel_work_sync(&dev->init_work);
55
mt76_unregister_device(&dev->mt76);
56
mt76_for_each_q_rx(&dev->mt76, i)
57
napi_disable(&dev->mt76.napi[i]);
58
cancel_delayed_work_sync(&pm->ps_work);
59
cancel_work_sync(&pm->wake_work);
60
cancel_work_sync(&dev->reset_work);
61
62
mt76_connac2_tx_token_put(&dev->mt76);
63
__mt792x_mcu_drv_pmctrl(dev);
64
mt792x_dma_cleanup(dev);
65
mt792x_wfsys_reset(dev);
66
skb_queue_purge(&dev->mt76.mcu.res_q);
67
68
tasklet_disable(&dev->mt76.irq_tasklet);
69
}
70
71
static u32 __mt7921_reg_addr(struct mt792x_dev *dev, u32 addr)
72
{
73
static const struct mt76_connac_reg_map fixed_map[] = {
74
{ 0x820d0000, 0x30000, 0x10000 }, /* WF_LMAC_TOP (WF_WTBLON) */
75
{ 0x820ed000, 0x24800, 0x00800 }, /* WF_LMAC_TOP BN0 (WF_MIB) */
76
{ 0x820e4000, 0x21000, 0x00400 }, /* WF_LMAC_TOP BN0 (WF_TMAC) */
77
{ 0x820e7000, 0x21e00, 0x00200 }, /* WF_LMAC_TOP BN0 (WF_DMA) */
78
{ 0x820eb000, 0x24200, 0x00400 }, /* WF_LMAC_TOP BN0 (WF_LPON) */
79
{ 0x820e2000, 0x20800, 0x00400 }, /* WF_LMAC_TOP BN0 (WF_AGG) */
80
{ 0x820e3000, 0x20c00, 0x00400 }, /* WF_LMAC_TOP BN0 (WF_ARB) */
81
{ 0x820e5000, 0x21400, 0x00800 }, /* WF_LMAC_TOP BN0 (WF_RMAC) */
82
{ 0x00400000, 0x80000, 0x10000 }, /* WF_MCU_SYSRAM */
83
{ 0x00410000, 0x90000, 0x10000 }, /* WF_MCU_SYSRAM (configure register) */
84
{ 0x40000000, 0x70000, 0x10000 }, /* WF_UMAC_SYSRAM */
85
{ 0x54000000, 0x02000, 0x01000 }, /* WFDMA PCIE0 MCU DMA0 */
86
{ 0x55000000, 0x03000, 0x01000 }, /* WFDMA PCIE0 MCU DMA1 */
87
{ 0x58000000, 0x06000, 0x01000 }, /* WFDMA PCIE1 MCU DMA0 (MEM_DMA) */
88
{ 0x59000000, 0x07000, 0x01000 }, /* WFDMA PCIE1 MCU DMA1 */
89
{ 0x7c000000, 0xf0000, 0x10000 }, /* CONN_INFRA */
90
{ 0x7c020000, 0xd0000, 0x10000 }, /* CONN_INFRA, WFDMA */
91
{ 0x7c060000, 0xe0000, 0x10000 }, /* CONN_INFRA, conn_host_csr_top */
92
{ 0x80020000, 0xb0000, 0x10000 }, /* WF_TOP_MISC_OFF */
93
{ 0x81020000, 0xc0000, 0x10000 }, /* WF_TOP_MISC_ON */
94
{ 0x820c0000, 0x08000, 0x04000 }, /* WF_UMAC_TOP (PLE) */
95
{ 0x820c8000, 0x0c000, 0x02000 }, /* WF_UMAC_TOP (PSE) */
96
{ 0x820cc000, 0x0e000, 0x01000 }, /* WF_UMAC_TOP (PP) */
97
{ 0x820cd000, 0x0f000, 0x01000 }, /* WF_MDP_TOP */
98
{ 0x74030000, 0x10000, 0x10000 }, /* PCIE_MAC_IREG */
99
{ 0x820ce000, 0x21c00, 0x00200 }, /* WF_LMAC_TOP (WF_SEC) */
100
{ 0x820cf000, 0x22000, 0x01000 }, /* WF_LMAC_TOP (WF_PF) */
101
{ 0x820e0000, 0x20000, 0x00400 }, /* WF_LMAC_TOP BN0 (WF_CFG) */
102
{ 0x820e1000, 0x20400, 0x00200 }, /* WF_LMAC_TOP BN0 (WF_TRB) */
103
{ 0x820e9000, 0x23400, 0x00200 }, /* WF_LMAC_TOP BN0 (WF_WTBLOFF) */
104
{ 0x820ea000, 0x24000, 0x00200 }, /* WF_LMAC_TOP BN0 (WF_ETBF) */
105
{ 0x820ec000, 0x24600, 0x00200 }, /* WF_LMAC_TOP BN0 (WF_INT) */
106
{ 0x820f0000, 0xa0000, 0x00400 }, /* WF_LMAC_TOP BN1 (WF_CFG) */
107
{ 0x820f1000, 0xa0600, 0x00200 }, /* WF_LMAC_TOP BN1 (WF_TRB) */
108
{ 0x820f2000, 0xa0800, 0x00400 }, /* WF_LMAC_TOP BN1 (WF_AGG) */
109
{ 0x820f3000, 0xa0c00, 0x00400 }, /* WF_LMAC_TOP BN1 (WF_ARB) */
110
{ 0x820f4000, 0xa1000, 0x00400 }, /* WF_LMAC_TOP BN1 (WF_TMAC) */
111
{ 0x820f5000, 0xa1400, 0x00800 }, /* WF_LMAC_TOP BN1 (WF_RMAC) */
112
{ 0x820f7000, 0xa1e00, 0x00200 }, /* WF_LMAC_TOP BN1 (WF_DMA) */
113
{ 0x820f9000, 0xa3400, 0x00200 }, /* WF_LMAC_TOP BN1 (WF_WTBLOFF) */
114
{ 0x820fa000, 0xa4000, 0x00200 }, /* WF_LMAC_TOP BN1 (WF_ETBF) */
115
{ 0x820fb000, 0xa4200, 0x00400 }, /* WF_LMAC_TOP BN1 (WF_LPON) */
116
{ 0x820fc000, 0xa4600, 0x00200 }, /* WF_LMAC_TOP BN1 (WF_INT) */
117
{ 0x820fd000, 0xa4800, 0x00800 }, /* WF_LMAC_TOP BN1 (WF_MIB) */
118
};
119
int i;
120
121
if (addr < 0x100000)
122
return addr;
123
124
for (i = 0; i < ARRAY_SIZE(fixed_map); i++) {
125
u32 ofs;
126
127
if (addr < fixed_map[i].phys)
128
continue;
129
130
ofs = addr - fixed_map[i].phys;
131
if (ofs > fixed_map[i].size)
132
continue;
133
134
return fixed_map[i].maps + ofs;
135
}
136
137
if ((addr >= 0x18000000 && addr < 0x18c00000) ||
138
(addr >= 0x70000000 && addr < 0x78000000) ||
139
(addr >= 0x7c000000 && addr < 0x7c400000))
140
return mt7921_reg_map_l1(dev, addr);
141
142
dev_err(dev->mt76.dev, "Access currently unsupported address %08x\n",
143
addr);
144
145
return 0;
146
}
147
148
static u32 mt7921_rr(struct mt76_dev *mdev, u32 offset)
149
{
150
struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
151
u32 addr = __mt7921_reg_addr(dev, offset);
152
153
return dev->bus_ops->rr(mdev, addr);
154
}
155
156
static void mt7921_wr(struct mt76_dev *mdev, u32 offset, u32 val)
157
{
158
struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
159
u32 addr = __mt7921_reg_addr(dev, offset);
160
161
dev->bus_ops->wr(mdev, addr, val);
162
}
163
164
static u32 mt7921_rmw(struct mt76_dev *mdev, u32 offset, u32 mask, u32 val)
165
{
166
struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
167
u32 addr = __mt7921_reg_addr(dev, offset);
168
169
return dev->bus_ops->rmw(mdev, addr, mask, val);
170
}
171
172
static int mt7921_dma_init(struct mt792x_dev *dev)
173
{
174
int ret;
175
176
mt76_dma_attach(&dev->mt76);
177
178
ret = mt792x_dma_disable(dev, true);
179
if (ret)
180
return ret;
181
182
/* init tx queue */
183
ret = mt76_connac_init_tx_queues(dev->phy.mt76, MT7921_TXQ_BAND0,
184
MT7921_TX_RING_SIZE,
185
MT_TX_RING_BASE, NULL, 0);
186
if (ret)
187
return ret;
188
189
mt76_wr(dev, MT_WFDMA0_TX_RING0_EXT_CTRL, 0x4);
190
191
/* command to WM */
192
ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_WM, MT7921_TXQ_MCU_WM,
193
MT7921_TX_MCU_RING_SIZE, MT_TX_RING_BASE);
194
if (ret)
195
return ret;
196
197
/* firmware download */
198
ret = mt76_init_mcu_queue(&dev->mt76, MT_MCUQ_FWDL, MT7921_TXQ_FWDL,
199
MT7921_TX_FWDL_RING_SIZE, MT_TX_RING_BASE);
200
if (ret)
201
return ret;
202
203
/* event from WM before firmware download */
204
ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU],
205
MT7921_RXQ_MCU_WM,
206
MT7921_RX_MCU_RING_SIZE,
207
MT_RX_BUF_SIZE, MT_RX_EVENT_RING_BASE);
208
if (ret)
209
return ret;
210
211
/* Change mcu queue after firmware download */
212
ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU_WA],
213
MT7921_RXQ_MCU_WM,
214
MT7921_RX_MCU_WA_RING_SIZE,
215
MT_RX_BUF_SIZE, MT_WFDMA0(0x540));
216
if (ret)
217
return ret;
218
219
/* rx data */
220
ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN],
221
MT7921_RXQ_BAND0, MT7921_RX_RING_SIZE,
222
MT_RX_BUF_SIZE, MT_RX_DATA_RING_BASE);
223
if (ret)
224
return ret;
225
226
ret = mt76_init_queues(dev, mt792x_poll_rx);
227
if (ret < 0)
228
return ret;
229
230
netif_napi_add_tx(dev->mt76.tx_napi_dev, &dev->mt76.tx_napi,
231
mt792x_poll_tx);
232
napi_enable(&dev->mt76.tx_napi);
233
234
return mt792x_dma_enable(dev);
235
}
236
237
static int mt7921_pci_probe(struct pci_dev *pdev,
238
const struct pci_device_id *id)
239
{
240
static const struct mt76_driver_ops drv_ops = {
241
/* txwi_size = txd size + txp size */
242
.txwi_size = MT_TXD_SIZE + sizeof(struct mt76_connac_hw_txp),
243
.drv_flags = MT_DRV_TXWI_NO_FREE | MT_DRV_HW_MGMT_TXQ |
244
MT_DRV_AMSDU_OFFLOAD,
245
.survey_flags = SURVEY_INFO_TIME_TX |
246
SURVEY_INFO_TIME_RX |
247
SURVEY_INFO_TIME_BSS_RX,
248
.token_size = MT7921_TOKEN_SIZE,
249
.tx_prepare_skb = mt7921e_tx_prepare_skb,
250
.tx_complete_skb = mt76_connac_tx_complete_skb,
251
.rx_check = mt7921_rx_check,
252
.rx_skb = mt7921_queue_rx_skb,
253
.rx_poll_complete = mt792x_rx_poll_complete,
254
.sta_add = mt7921_mac_sta_add,
255
.sta_event = mt7921_mac_sta_event,
256
.sta_remove = mt7921_mac_sta_remove,
257
.update_survey = mt792x_update_channel,
258
.set_channel = mt7921_set_channel,
259
};
260
static const struct mt792x_hif_ops mt7921_pcie_ops = {
261
.init_reset = mt7921e_init_reset,
262
.reset = mt7921e_mac_reset,
263
.mcu_init = mt7921e_mcu_init,
264
.drv_own = mt792xe_mcu_drv_pmctrl,
265
.fw_own = mt792xe_mcu_fw_pmctrl,
266
};
267
static const struct mt792x_irq_map irq_map = {
268
.host_irq_enable = MT_WFDMA0_HOST_INT_ENA,
269
.tx = {
270
.all_complete_mask = MT_INT_TX_DONE_ALL,
271
.mcu_complete_mask = MT_INT_TX_DONE_MCU,
272
},
273
.rx = {
274
.data_complete_mask = MT_INT_RX_DONE_DATA,
275
.wm_complete_mask = MT_INT_RX_DONE_WM,
276
.wm2_complete_mask = MT_INT_RX_DONE_WM2,
277
},
278
};
279
struct ieee80211_ops *ops;
280
struct mt76_bus_ops *bus_ops;
281
struct mt792x_dev *dev;
282
struct mt76_dev *mdev;
283
u16 cmd, chipid;
284
u8 features;
285
int ret;
286
287
ret = pcim_enable_device(pdev);
288
if (ret)
289
return ret;
290
291
ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev));
292
if (ret)
293
return ret;
294
295
pci_read_config_word(pdev, PCI_COMMAND, &cmd);
296
if (!(cmd & PCI_COMMAND_MEMORY)) {
297
cmd |= PCI_COMMAND_MEMORY;
298
pci_write_config_word(pdev, PCI_COMMAND, cmd);
299
}
300
pci_set_master(pdev);
301
302
ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
303
if (ret < 0)
304
return ret;
305
306
ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
307
if (ret)
308
goto err_free_pci_vec;
309
310
if (mt7921_disable_aspm)
311
mt76_pci_disable_aspm(pdev);
312
313
ops = mt792x_get_mac80211_ops(&pdev->dev, &mt7921_ops,
314
(void *)id->driver_data, &features);
315
if (!ops) {
316
ret = -ENOMEM;
317
goto err_free_pci_vec;
318
}
319
320
mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), ops, &drv_ops);
321
if (!mdev) {
322
ret = -ENOMEM;
323
goto err_free_pci_vec;
324
}
325
326
pci_set_drvdata(pdev, mdev);
327
328
dev = container_of(mdev, struct mt792x_dev, mt76);
329
dev->fw_features = features;
330
dev->hif_ops = &mt7921_pcie_ops;
331
dev->irq_map = &irq_map;
332
mt76_mmio_init(&dev->mt76, pcim_iomap_table(pdev)[0]);
333
tasklet_init(&mdev->irq_tasklet, mt792x_irq_tasklet, (unsigned long)dev);
334
335
dev->phy.dev = dev;
336
dev->phy.mt76 = &dev->mt76.phy;
337
dev->mt76.phy.priv = &dev->phy;
338
dev->bus_ops = dev->mt76.bus;
339
bus_ops = devm_kmemdup(dev->mt76.dev, dev->bus_ops, sizeof(*bus_ops),
340
GFP_KERNEL);
341
if (!bus_ops) {
342
ret = -ENOMEM;
343
goto err_free_dev;
344
}
345
346
bus_ops->rr = mt7921_rr;
347
bus_ops->wr = mt7921_wr;
348
bus_ops->rmw = mt7921_rmw;
349
dev->mt76.bus = bus_ops;
350
351
if (!mt7921_disable_aspm && mt76_pci_aspm_supported(pdev))
352
dev->aspm_supported = true;
353
354
ret = mt792xe_mcu_fw_pmctrl(dev);
355
if (ret)
356
goto err_free_dev;
357
358
ret = __mt792xe_mcu_drv_pmctrl(dev);
359
if (ret)
360
goto err_free_dev;
361
362
chipid = mt7921_l1_rr(dev, MT_HW_CHIPID);
363
if (chipid == 0x7961 && (mt7921_l1_rr(dev, MT_HW_BOUND) & BIT(7)))
364
chipid = 0x7920;
365
mdev->rev = (chipid << 16) |
366
(mt7921_l1_rr(dev, MT_HW_REV) & 0xff);
367
dev_info(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
368
369
ret = mt792x_wfsys_reset(dev);
370
if (ret)
371
goto err_free_dev;
372
373
mt76_wr(dev, irq_map.host_irq_enable, 0);
374
375
mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff);
376
377
ret = devm_request_irq(mdev->dev, pdev->irq, mt792x_irq_handler,
378
IRQF_SHARED, KBUILD_MODNAME, dev);
379
if (ret)
380
goto err_free_dev;
381
382
ret = mt7921_dma_init(dev);
383
if (ret)
384
goto err_free_irq;
385
386
ret = mt7921_register_device(dev);
387
if (ret)
388
goto err_free_irq;
389
390
#if defined(CONFIG_OF)
391
if (of_property_read_bool(dev->mt76.dev->of_node, "wakeup-source"))
392
device_init_wakeup(dev->mt76.dev, true);
393
#endif
394
395
return 0;
396
397
err_free_irq:
398
devm_free_irq(&pdev->dev, pdev->irq, dev);
399
err_free_dev:
400
mt76_free_device(&dev->mt76);
401
err_free_pci_vec:
402
pci_free_irq_vectors(pdev);
403
404
return ret;
405
}
406
407
static void mt7921_pci_remove(struct pci_dev *pdev)
408
{
409
struct mt76_dev *mdev = pci_get_drvdata(pdev);
410
struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
411
412
#if defined(CONFIG_OF)
413
if (of_property_read_bool(dev->mt76.dev->of_node, "wakeup-source"))
414
device_init_wakeup(dev->mt76.dev, false);
415
#endif
416
417
mt7921e_unregister_device(dev);
418
set_bit(MT76_REMOVED, &mdev->phy.state);
419
devm_free_irq(&pdev->dev, pdev->irq, dev);
420
mt76_free_device(&dev->mt76);
421
pci_free_irq_vectors(pdev);
422
}
423
424
#if !defined(__FreeBSD__) || defined(CONFIG_PM_SLEEP)
425
static int mt7921_pci_suspend(struct device *device)
426
{
427
struct pci_dev *pdev = to_pci_dev(device);
428
struct mt76_dev *mdev = pci_get_drvdata(pdev);
429
struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
430
struct mt76_connac_pm *pm = &dev->pm;
431
int i, err;
432
433
pm->suspended = true;
434
flush_work(&dev->reset_work);
435
cancel_delayed_work_sync(&pm->ps_work);
436
cancel_work_sync(&pm->wake_work);
437
438
mt7921_roc_abort_sync(dev);
439
440
err = mt792x_mcu_drv_pmctrl(dev);
441
if (err < 0)
442
goto restore_suspend;
443
444
wait_event_timeout(dev->wait,
445
!dev->regd_in_progress, 5 * HZ);
446
447
err = mt7921_mcu_radio_led_ctrl(dev, EXT_CMD_RADIO_OFF_LED);
448
if (err < 0)
449
goto restore_suspend;
450
451
err = mt76_connac_mcu_set_hif_suspend(mdev, true, true);
452
if (err)
453
goto restore_suspend;
454
455
/* always enable deep sleep during suspend to reduce
456
* power consumption
457
*/
458
mt76_connac_mcu_set_deep_sleep(&dev->mt76, true);
459
460
napi_disable(&mdev->tx_napi);
461
mt76_worker_disable(&mdev->tx_worker);
462
463
mt76_for_each_q_rx(mdev, i) {
464
napi_disable(&mdev->napi[i]);
465
}
466
467
/* wait until dma is idle */
468
mt76_poll(dev, MT_WFDMA0_GLO_CFG,
469
MT_WFDMA0_GLO_CFG_TX_DMA_BUSY |
470
MT_WFDMA0_GLO_CFG_RX_DMA_BUSY, 0, 1000);
471
472
/* put dma disabled */
473
mt76_clear(dev, MT_WFDMA0_GLO_CFG,
474
MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN);
475
476
/* disable interrupt */
477
mt76_wr(dev, dev->irq_map->host_irq_enable, 0);
478
mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0x0);
479
synchronize_irq(pdev->irq);
480
tasklet_kill(&mdev->irq_tasklet);
481
482
err = mt792x_mcu_fw_pmctrl(dev);
483
if (err)
484
goto restore_napi;
485
486
return 0;
487
488
restore_napi:
489
mt76_for_each_q_rx(mdev, i) {
490
napi_enable(&mdev->napi[i]);
491
}
492
napi_enable(&mdev->tx_napi);
493
494
if (!pm->ds_enable)
495
mt76_connac_mcu_set_deep_sleep(&dev->mt76, false);
496
497
mt76_connac_mcu_set_hif_suspend(mdev, false, true);
498
499
restore_suspend:
500
pm->suspended = false;
501
502
if (err < 0)
503
mt792x_reset(&dev->mt76);
504
505
return err;
506
}
507
508
static int mt7921_pci_resume(struct device *device)
509
{
510
struct pci_dev *pdev = to_pci_dev(device);
511
struct mt76_dev *mdev = pci_get_drvdata(pdev);
512
struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
513
struct mt76_connac_pm *pm = &dev->pm;
514
int i, err;
515
516
err = mt792x_mcu_drv_pmctrl(dev);
517
if (err < 0)
518
goto failed;
519
520
mt792x_wpdma_reinit_cond(dev);
521
522
/* enable interrupt */
523
mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff);
524
mt76_connac_irq_enable(&dev->mt76,
525
dev->irq_map->tx.all_complete_mask |
526
MT_INT_RX_DONE_ALL | MT_INT_MCU_CMD);
527
mt76_set(dev, MT_MCU2HOST_SW_INT_ENA, MT_MCU_CMD_WAKE_RX_PCIE);
528
529
/* put dma enabled */
530
mt76_set(dev, MT_WFDMA0_GLO_CFG,
531
MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN);
532
533
mt76_worker_enable(&mdev->tx_worker);
534
535
mt76_for_each_q_rx(mdev, i) {
536
napi_enable(&mdev->napi[i]);
537
}
538
napi_enable(&mdev->tx_napi);
539
540
local_bh_disable();
541
mt76_for_each_q_rx(mdev, i) {
542
napi_schedule(&mdev->napi[i]);
543
}
544
napi_schedule(&mdev->tx_napi);
545
local_bh_enable();
546
547
/* restore previous ds setting */
548
if (!pm->ds_enable)
549
mt76_connac_mcu_set_deep_sleep(&dev->mt76, false);
550
551
err = mt76_connac_mcu_set_hif_suspend(mdev, false, true);
552
if (err < 0)
553
goto failed;
554
555
mt7921_regd_update(dev);
556
err = mt7921_mcu_radio_led_ctrl(dev, EXT_CMD_RADIO_ON_LED);
557
failed:
558
pm->suspended = false;
559
560
if (err < 0)
561
mt792x_reset(&dev->mt76);
562
563
return err;
564
}
565
#endif
566
567
static void mt7921_pci_shutdown(struct pci_dev *pdev)
568
{
569
mt7921_pci_remove(pdev);
570
}
571
572
static DEFINE_SIMPLE_DEV_PM_OPS(mt7921_pm_ops, mt7921_pci_suspend, mt7921_pci_resume);
573
574
static struct pci_driver mt7921_pci_driver = {
575
.name = KBUILD_MODNAME,
576
.id_table = mt7921_pci_device_table,
577
.probe = mt7921_pci_probe,
578
.remove = mt7921_pci_remove,
579
.shutdown = mt7921_pci_shutdown,
580
.driver.pm = pm_sleep_ptr(&mt7921_pm_ops),
581
};
582
583
module_pci_driver(mt7921_pci_driver);
584
585
MODULE_DEVICE_TABLE(pci, mt7921_pci_device_table);
586
MODULE_FIRMWARE(MT7920_FIRMWARE_WM);
587
MODULE_FIRMWARE(MT7920_ROM_PATCH);
588
MODULE_FIRMWARE(MT7921_FIRMWARE_WM);
589
MODULE_FIRMWARE(MT7921_ROM_PATCH);
590
MODULE_FIRMWARE(MT7922_FIRMWARE_WM);
591
MODULE_FIRMWARE(MT7922_ROM_PATCH);
592
MODULE_AUTHOR("Sean Wang <[email protected]>");
593
MODULE_AUTHOR("Lorenzo Bianconi <[email protected]>");
594
MODULE_DESCRIPTION("MediaTek MT7921E (PCIe) wireless driver");
595
MODULE_LICENSE("Dual BSD/GPL");
596
#if defined(__FreeBSD__)
597
MODULE_VERSION(mt7921_pci, 1);
598
MODULE_DEPEND(mt7921_pci, linuxkpi, 1, 1, 1);
599
MODULE_DEPEND(mt7921_pci, linuxkpi_wlan, 1, 1, 1);
600
MODULE_DEPEND(mt7921_pci, mt76_core, 1, 1, 1);
601
#endif
602
603