1 /*
2 * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
3 * Copyright (c) 2018, The Linux Foundation. All rights reserved.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 #include <linux/module.h>
19 #include <linux/pci.h>
20 #include <linux/moduleparam.h>
21 #include <linux/interrupt.h>
22 #include <linux/suspend.h>
23 #include "wil6210.h"
24 #include <linux/rtnetlink.h>
25 #include <linux/pm_runtime.h>
26
27 static int n_msi = 3;
28 module_param(n_msi, int, 0444);
29 MODULE_PARM_DESC(n_msi, " Use MSI interrupt: 0 - use INTx, 1 - single, or 3 - (default) ");
30
31 bool ftm_mode;
32 module_param(ftm_mode, bool, 0444);
33 MODULE_PARM_DESC(ftm_mode, " Set factory test mode, default - false");
34
35 static int wil6210_pm_notify(struct notifier_block *notify_block,
36 unsigned long mode, void *unused);
37
38 static
wil_set_capabilities(struct wil6210_priv * wil)39 int wil_set_capabilities(struct wil6210_priv *wil)
40 {
41 const char *wil_fw_name;
42 u32 jtag_id = wil_r(wil, RGF_USER_JTAG_DEV_ID);
43 u8 chip_revision = (wil_r(wil, RGF_USER_REVISION_ID) &
44 RGF_USER_REVISION_ID_MASK);
45 int platform_capa;
46 struct fw_map *iccm_section, *sct;
47
48 bitmap_zero(wil->hw_capa, hw_capa_last);
49 bitmap_zero(wil->fw_capabilities, WMI_FW_CAPABILITY_MAX);
50 bitmap_zero(wil->platform_capa, WIL_PLATFORM_CAPA_MAX);
51 wil->wil_fw_name = ftm_mode ? WIL_FW_NAME_FTM_DEFAULT :
52 WIL_FW_NAME_DEFAULT;
53 wil->chip_revision = chip_revision;
54
55 switch (jtag_id) {
56 case JTAG_DEV_ID_SPARROW:
57 memcpy(fw_mapping, sparrow_fw_mapping,
58 sizeof(sparrow_fw_mapping));
59 switch (chip_revision) {
60 case REVISION_ID_SPARROW_D0:
61 wil->hw_name = "Sparrow D0";
62 wil->hw_version = HW_VER_SPARROW_D0;
63 wil_fw_name = ftm_mode ? WIL_FW_NAME_FTM_SPARROW_PLUS :
64 WIL_FW_NAME_SPARROW_PLUS;
65
66 if (wil_fw_verify_file_exists(wil, wil_fw_name))
67 wil->wil_fw_name = wil_fw_name;
68 sct = wil_find_fw_mapping("mac_rgf_ext");
69 if (!sct) {
70 wil_err(wil, "mac_rgf_ext section not found in fw_mapping\n");
71 return -EINVAL;
72 }
73 memcpy(sct, &sparrow_d0_mac_rgf_ext, sizeof(*sct));
74 break;
75 case REVISION_ID_SPARROW_B0:
76 wil->hw_name = "Sparrow B0";
77 wil->hw_version = HW_VER_SPARROW_B0;
78 break;
79 default:
80 wil->hw_name = "Unknown";
81 wil->hw_version = HW_VER_UNKNOWN;
82 break;
83 }
84 wil->rgf_fw_assert_code_addr = SPARROW_RGF_FW_ASSERT_CODE;
85 wil->rgf_ucode_assert_code_addr = SPARROW_RGF_UCODE_ASSERT_CODE;
86 break;
87 case JTAG_DEV_ID_TALYN:
88 wil->hw_name = "Talyn-MA";
89 wil->hw_version = HW_VER_TALYN;
90 memcpy(fw_mapping, talyn_fw_mapping, sizeof(talyn_fw_mapping));
91 wil->rgf_fw_assert_code_addr = TALYN_RGF_FW_ASSERT_CODE;
92 wil->rgf_ucode_assert_code_addr = TALYN_RGF_UCODE_ASSERT_CODE;
93 if (wil_r(wil, RGF_USER_OTP_HW_RD_MACHINE_1) &
94 BIT_NO_FLASH_INDICATION)
95 set_bit(hw_capa_no_flash, wil->hw_capa);
96 wil_fw_name = ftm_mode ? WIL_FW_NAME_FTM_TALYN :
97 WIL_FW_NAME_TALYN;
98 if (wil_fw_verify_file_exists(wil, wil_fw_name))
99 wil->wil_fw_name = wil_fw_name;
100 break;
101 case JTAG_DEV_ID_TALYN_MB:
102 wil->hw_name = "Talyn-MB";
103 wil->hw_version = HW_VER_TALYN_MB;
104 memcpy(fw_mapping, talyn_mb_fw_mapping,
105 sizeof(talyn_mb_fw_mapping));
106 wil->rgf_fw_assert_code_addr = TALYN_RGF_FW_ASSERT_CODE;
107 wil->rgf_ucode_assert_code_addr = TALYN_RGF_UCODE_ASSERT_CODE;
108 set_bit(hw_capa_no_flash, wil->hw_capa);
109 wil->use_enhanced_dma_hw = true;
110 wil->use_rx_hw_reordering = true;
111 wil_fw_name = ftm_mode ? WIL_FW_NAME_FTM_TALYN :
112 WIL_FW_NAME_TALYN;
113 if (wil_fw_verify_file_exists(wil, wil_fw_name))
114 wil->wil_fw_name = wil_fw_name;
115 break;
116 default:
117 wil_err(wil, "Unknown board hardware, chip_id 0x%08x, chip_revision 0x%08x\n",
118 jtag_id, chip_revision);
119 wil->hw_name = "Unknown";
120 wil->hw_version = HW_VER_UNKNOWN;
121 return -EINVAL;
122 }
123
124 wil_init_txrx_ops(wil);
125
126 iccm_section = wil_find_fw_mapping("fw_code");
127 if (!iccm_section) {
128 wil_err(wil, "fw_code section not found in fw_mapping\n");
129 return -EINVAL;
130 }
131 wil->iccm_base = iccm_section->host;
132
133 wil_info(wil, "Board hardware is %s, flash %sexist\n", wil->hw_name,
134 test_bit(hw_capa_no_flash, wil->hw_capa) ? "doesn't " : "");
135
136 /* Get platform capabilities */
137 if (wil->platform_ops.get_capa) {
138 platform_capa =
139 wil->platform_ops.get_capa(wil->platform_handle);
140 memcpy(wil->platform_capa, &platform_capa,
141 min(sizeof(wil->platform_capa), sizeof(platform_capa)));
142 }
143
144 /* extract FW capabilities from file without loading the FW */
145 wil_request_firmware(wil, wil->wil_fw_name, false);
146 wil_refresh_fw_capabilities(wil);
147
148 return 0;
149 }
150
wil_disable_irq(struct wil6210_priv * wil)151 void wil_disable_irq(struct wil6210_priv *wil)
152 {
153 int irq = wil->pdev->irq;
154
155 disable_irq(irq);
156 if (wil->n_msi == 3) {
157 disable_irq(irq + 1);
158 disable_irq(irq + 2);
159 }
160 }
161
wil_enable_irq(struct wil6210_priv * wil)162 void wil_enable_irq(struct wil6210_priv *wil)
163 {
164 int irq = wil->pdev->irq;
165
166 enable_irq(irq);
167 if (wil->n_msi == 3) {
168 enable_irq(irq + 1);
169 enable_irq(irq + 2);
170 }
171 }
172
wil_remove_all_additional_vifs(struct wil6210_priv * wil)173 static void wil_remove_all_additional_vifs(struct wil6210_priv *wil)
174 {
175 struct wil6210_vif *vif;
176 int i;
177
178 for (i = 1; i < wil->max_vifs; i++) {
179 vif = wil->vifs[i];
180 if (vif) {
181 wil_vif_prepare_stop(vif);
182 wil_vif_remove(wil, vif->mid);
183 }
184 }
185 }
186
187 /* Bus ops */
wil_if_pcie_enable(struct wil6210_priv * wil)188 static int wil_if_pcie_enable(struct wil6210_priv *wil)
189 {
190 struct pci_dev *pdev = wil->pdev;
191 int rc;
192 /* on platforms with buggy ACPI, pdev->msi_enabled may be set to
193 * allow pci_enable_device to work. This indicates INTx was not routed
194 * and only MSI should be used
195 */
196 int msi_only = pdev->msi_enabled;
197
198 wil_dbg_misc(wil, "if_pcie_enable\n");
199
200 pci_set_master(pdev);
201
202 /* how many MSI interrupts to request? */
203 switch (n_msi) {
204 case 3:
205 case 1:
206 wil_dbg_misc(wil, "Setup %d MSI interrupts\n", n_msi);
207 break;
208 case 0:
209 wil_dbg_misc(wil, "MSI interrupts disabled, use INTx\n");
210 break;
211 default:
212 wil_err(wil, "Invalid n_msi=%d, default to 1\n", n_msi);
213 n_msi = 1;
214 }
215
216 if (n_msi == 3 &&
217 pci_alloc_irq_vectors(pdev, n_msi, n_msi, PCI_IRQ_MSI) < n_msi) {
218 wil_err(wil, "3 MSI mode failed, try 1 MSI\n");
219 n_msi = 1;
220 }
221
222 if (n_msi == 1 && pci_enable_msi(pdev)) {
223 wil_err(wil, "pci_enable_msi failed, use INTx\n");
224 n_msi = 0;
225 }
226
227 wil->n_msi = n_msi;
228
229 if (wil->n_msi == 0 && msi_only) {
230 wil_err(wil, "Interrupt pin not routed, unable to use INTx\n");
231 rc = -ENODEV;
232 goto stop_master;
233 }
234
235 rc = wil6210_init_irq(wil, pdev->irq);
236 if (rc)
237 goto release_vectors;
238
239 /* need reset here to obtain MAC */
240 mutex_lock(&wil->mutex);
241 rc = wil_reset(wil, false);
242 mutex_unlock(&wil->mutex);
243 if (rc)
244 goto release_irq;
245
246 return 0;
247
248 release_irq:
249 wil6210_fini_irq(wil, pdev->irq);
250 release_vectors:
251 /* safe to call if no allocation */
252 pci_free_irq_vectors(pdev);
253 stop_master:
254 pci_clear_master(pdev);
255 return rc;
256 }
257
wil_if_pcie_disable(struct wil6210_priv * wil)258 static int wil_if_pcie_disable(struct wil6210_priv *wil)
259 {
260 struct pci_dev *pdev = wil->pdev;
261
262 wil_dbg_misc(wil, "if_pcie_disable\n");
263
264 pci_clear_master(pdev);
265 /* disable and release IRQ */
266 wil6210_fini_irq(wil, pdev->irq);
267 /* safe to call if no MSI */
268 pci_disable_msi(pdev);
269 /* TODO: disable HW */
270
271 return 0;
272 }
273
wil_platform_rop_ramdump(void * wil_handle,void * buf,uint32_t size)274 static int wil_platform_rop_ramdump(void *wil_handle, void *buf, uint32_t size)
275 {
276 struct wil6210_priv *wil = wil_handle;
277
278 if (!wil)
279 return -EINVAL;
280
281 return wil_fw_copy_crash_dump(wil, buf, size);
282 }
283
wil_platform_rop_fw_recovery(void * wil_handle)284 static int wil_platform_rop_fw_recovery(void *wil_handle)
285 {
286 struct wil6210_priv *wil = wil_handle;
287
288 if (!wil)
289 return -EINVAL;
290
291 wil_fw_error_recovery(wil);
292
293 return 0;
294 }
295
wil_platform_ops_uninit(struct wil6210_priv * wil)296 static void wil_platform_ops_uninit(struct wil6210_priv *wil)
297 {
298 if (wil->platform_ops.uninit)
299 wil->platform_ops.uninit(wil->platform_handle);
300 memset(&wil->platform_ops, 0, sizeof(wil->platform_ops));
301 }
302
wil_pcie_probe(struct pci_dev * pdev,const struct pci_device_id * id)303 static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)
304 {
305 struct wil6210_priv *wil;
306 struct device *dev = &pdev->dev;
307 int rc;
308 const struct wil_platform_rops rops = {
309 .ramdump = wil_platform_rop_ramdump,
310 .fw_recovery = wil_platform_rop_fw_recovery,
311 };
312 u32 bar_size = pci_resource_len(pdev, 0);
313 int dma_addr_size[] = {64, 48, 40, 32}; /* keep descending order */
314 int i, start_idx;
315
316 /* check HW */
317 dev_info(&pdev->dev, WIL_NAME
318 " device found [%04x:%04x] (rev %x) bar size 0x%x\n",
319 (int)pdev->vendor, (int)pdev->device, (int)pdev->revision,
320 bar_size);
321
322 if ((bar_size < WIL6210_MIN_MEM_SIZE) ||
323 (bar_size > WIL6210_MAX_MEM_SIZE)) {
324 dev_err(&pdev->dev, "Unexpected BAR0 size 0x%x\n",
325 bar_size);
326 return -ENODEV;
327 }
328
329 wil = wil_if_alloc(dev);
330 if (IS_ERR(wil)) {
331 rc = (int)PTR_ERR(wil);
332 dev_err(dev, "wil_if_alloc failed: %d\n", rc);
333 return rc;
334 }
335
336 wil->pdev = pdev;
337 pci_set_drvdata(pdev, wil);
338 wil->bar_size = bar_size;
339 /* rollback to if_free */
340
341 wil->platform_handle =
342 wil_platform_init(&pdev->dev, &wil->platform_ops, &rops, wil);
343 if (!wil->platform_handle) {
344 rc = -ENODEV;
345 wil_err(wil, "wil_platform_init failed\n");
346 goto if_free;
347 }
348 /* rollback to err_plat */
349 rc = pci_enable_device(pdev);
350 if (rc && pdev->msi_enabled == 0) {
351 wil_err(wil,
352 "pci_enable_device failed, retry with MSI only\n");
353 /* Work around for platforms that can't allocate IRQ:
354 * retry with MSI only
355 */
356 pdev->msi_enabled = 1;
357 rc = pci_enable_device(pdev);
358 }
359 if (rc) {
360 wil_err(wil,
361 "pci_enable_device failed, even with MSI only\n");
362 goto err_plat;
363 }
364 /* rollback to err_disable_pdev */
365 pci_set_power_state(pdev, PCI_D0);
366
367 rc = pci_request_region(pdev, 0, WIL_NAME);
368 if (rc) {
369 wil_err(wil, "pci_request_region failed\n");
370 goto err_disable_pdev;
371 }
372 /* rollback to err_release_reg */
373
374 wil->csr = pci_ioremap_bar(pdev, 0);
375 if (!wil->csr) {
376 wil_err(wil, "pci_ioremap_bar failed\n");
377 rc = -ENODEV;
378 goto err_release_reg;
379 }
380 /* rollback to err_iounmap */
381 wil_info(wil, "CSR at %pR -> 0x%p\n", &pdev->resource[0], wil->csr);
382
383 rc = wil_set_capabilities(wil);
384 if (rc) {
385 wil_err(wil, "wil_set_capabilities failed, rc %d\n", rc);
386 goto err_iounmap;
387 }
388
389 /* device supports >32bit addresses.
390 * for legacy DMA start from 48 bit.
391 */
392 start_idx = wil->use_enhanced_dma_hw ? 0 : 1;
393
394 for (i = start_idx; i < ARRAY_SIZE(dma_addr_size); i++) {
395 rc = dma_set_mask_and_coherent(dev,
396 DMA_BIT_MASK(dma_addr_size[i]));
397 if (rc) {
398 dev_err(dev, "dma_set_mask_and_coherent(%d) failed: %d\n",
399 dma_addr_size[i], rc);
400 continue;
401 }
402 dev_info(dev, "using dma mask %d", dma_addr_size[i]);
403 wil->dma_addr_size = dma_addr_size[i];
404 break;
405 }
406
407 if (wil->dma_addr_size == 0)
408 goto err_iounmap;
409
410 wil6210_clear_irq(wil);
411
412 /* FW should raise IRQ when ready */
413 rc = wil_if_pcie_enable(wil);
414 if (rc) {
415 wil_err(wil, "Enable device failed\n");
416 goto err_iounmap;
417 }
418 /* rollback to bus_disable */
419
420 rc = wil_if_add(wil);
421 if (rc) {
422 wil_err(wil, "wil_if_add failed: %d\n", rc);
423 goto bus_disable;
424 }
425
426 /* in case of WMI-only FW, perform full reset and FW loading */
427 if (test_bit(WMI_FW_CAPABILITY_WMI_ONLY, wil->fw_capabilities)) {
428 wil_dbg_misc(wil, "Loading WMI only FW\n");
429 mutex_lock(&wil->mutex);
430 rc = wil_reset(wil, true);
431 mutex_unlock(&wil->mutex);
432 if (rc) {
433 wil_err(wil, "failed to load WMI only FW\n");
434 goto if_remove;
435 }
436 }
437
438 if (IS_ENABLED(CONFIG_PM))
439 wil->pm_notify.notifier_call = wil6210_pm_notify;
440
441 rc = register_pm_notifier(&wil->pm_notify);
442 if (rc)
443 /* Do not fail the driver initialization, as suspend can
444 * be prevented in a later phase if needed
445 */
446 wil_err(wil, "register_pm_notifier failed: %d\n", rc);
447
448 wil6210_debugfs_init(wil);
449
450 wil_pm_runtime_allow(wil);
451
452 return 0;
453
454 if_remove:
455 wil_if_remove(wil);
456 bus_disable:
457 wil_if_pcie_disable(wil);
458 err_iounmap:
459 pci_iounmap(pdev, wil->csr);
460 err_release_reg:
461 pci_release_region(pdev, 0);
462 err_disable_pdev:
463 pci_disable_device(pdev);
464 err_plat:
465 wil_platform_ops_uninit(wil);
466 if_free:
467 wil_if_free(wil);
468
469 return rc;
470 }
471
wil_pcie_remove(struct pci_dev * pdev)472 static void wil_pcie_remove(struct pci_dev *pdev)
473 {
474 struct wil6210_priv *wil = pci_get_drvdata(pdev);
475 void __iomem *csr = wil->csr;
476
477 wil_dbg_misc(wil, "pcie_remove\n");
478
479 unregister_pm_notifier(&wil->pm_notify);
480
481 wil_pm_runtime_forbid(wil);
482
483 wil6210_debugfs_remove(wil);
484 rtnl_lock();
485 wil_p2p_wdev_free(wil);
486 wil_remove_all_additional_vifs(wil);
487 rtnl_unlock();
488 wil_if_remove(wil);
489 wil_if_pcie_disable(wil);
490 pci_iounmap(pdev, csr);
491 pci_release_region(pdev, 0);
492 pci_disable_device(pdev);
493 wil_platform_ops_uninit(wil);
494 wil_if_free(wil);
495 }
496
497 static const struct pci_device_id wil6210_pcie_ids[] = {
498 { PCI_DEVICE(0x1ae9, 0x0310) },
499 { PCI_DEVICE(0x1ae9, 0x0302) }, /* same as above, firmware broken */
500 { PCI_DEVICE(0x17cb, 0x1201) }, /* Talyn */
501 { /* end: all zeroes */ },
502 };
503 MODULE_DEVICE_TABLE(pci, wil6210_pcie_ids);
504
wil6210_suspend(struct device * dev,bool is_runtime)505 static int wil6210_suspend(struct device *dev, bool is_runtime)
506 {
507 int rc = 0;
508 struct pci_dev *pdev = to_pci_dev(dev);
509 struct wil6210_priv *wil = pci_get_drvdata(pdev);
510 bool keep_radio_on, active_ifaces;
511
512 wil_dbg_pm(wil, "suspend: %s\n", is_runtime ? "runtime" : "system");
513
514 mutex_lock(&wil->vif_mutex);
515 active_ifaces = wil_has_active_ifaces(wil, true, false);
516 mutex_unlock(&wil->vif_mutex);
517 keep_radio_on = active_ifaces && wil->keep_radio_on_during_sleep;
518
519 rc = wil_can_suspend(wil, is_runtime);
520 if (rc)
521 goto out;
522
523 rc = wil_suspend(wil, is_runtime, keep_radio_on);
524 if (!rc) {
525 /* In case radio stays on, platform device will control
526 * PCIe master
527 */
528 if (!keep_radio_on) {
529 /* disable bus mastering */
530 pci_clear_master(pdev);
531 wil->suspend_stats.r_off.successful_suspends++;
532 } else {
533 wil->suspend_stats.r_on.successful_suspends++;
534 }
535 }
536 out:
537 return rc;
538 }
539
wil6210_resume(struct device * dev,bool is_runtime)540 static int wil6210_resume(struct device *dev, bool is_runtime)
541 {
542 int rc = 0;
543 struct pci_dev *pdev = to_pci_dev(dev);
544 struct wil6210_priv *wil = pci_get_drvdata(pdev);
545 bool keep_radio_on, active_ifaces;
546
547 wil_dbg_pm(wil, "resume: %s\n", is_runtime ? "runtime" : "system");
548
549 mutex_lock(&wil->vif_mutex);
550 active_ifaces = wil_has_active_ifaces(wil, true, false);
551 mutex_unlock(&wil->vif_mutex);
552 keep_radio_on = active_ifaces && wil->keep_radio_on_during_sleep;
553
554 /* In case radio stays on, platform device will control
555 * PCIe master
556 */
557 if (!keep_radio_on)
558 /* allow master */
559 pci_set_master(pdev);
560 rc = wil_resume(wil, is_runtime, keep_radio_on);
561 if (rc) {
562 wil_err(wil, "device failed to resume (%d)\n", rc);
563 if (!keep_radio_on) {
564 pci_clear_master(pdev);
565 wil->suspend_stats.r_off.failed_resumes++;
566 } else {
567 wil->suspend_stats.r_on.failed_resumes++;
568 }
569 } else {
570 if (keep_radio_on)
571 wil->suspend_stats.r_on.successful_resumes++;
572 else
573 wil->suspend_stats.r_off.successful_resumes++;
574 }
575
576 return rc;
577 }
578
wil6210_pm_notify(struct notifier_block * notify_block,unsigned long mode,void * unused)579 static int wil6210_pm_notify(struct notifier_block *notify_block,
580 unsigned long mode, void *unused)
581 {
582 struct wil6210_priv *wil = container_of(
583 notify_block, struct wil6210_priv, pm_notify);
584 int rc = 0;
585 enum wil_platform_event evt;
586
587 wil_dbg_pm(wil, "pm_notify: mode (%ld)\n", mode);
588
589 switch (mode) {
590 case PM_HIBERNATION_PREPARE:
591 case PM_SUSPEND_PREPARE:
592 case PM_RESTORE_PREPARE:
593 rc = wil_can_suspend(wil, false);
594 if (rc)
595 break;
596 evt = WIL_PLATFORM_EVT_PRE_SUSPEND;
597 if (wil->platform_ops.notify)
598 rc = wil->platform_ops.notify(wil->platform_handle,
599 evt);
600 break;
601 case PM_POST_SUSPEND:
602 case PM_POST_HIBERNATION:
603 case PM_POST_RESTORE:
604 evt = WIL_PLATFORM_EVT_POST_SUSPEND;
605 if (wil->platform_ops.notify)
606 rc = wil->platform_ops.notify(wil->platform_handle,
607 evt);
608 break;
609 default:
610 wil_dbg_pm(wil, "unhandled notify mode %ld\n", mode);
611 break;
612 }
613
614 wil_dbg_pm(wil, "notification mode %ld: rc (%d)\n", mode, rc);
615 return rc;
616 }
617
wil6210_pm_suspend(struct device * dev)618 static int __maybe_unused wil6210_pm_suspend(struct device *dev)
619 {
620 return wil6210_suspend(dev, false);
621 }
622
wil6210_pm_resume(struct device * dev)623 static int __maybe_unused wil6210_pm_resume(struct device *dev)
624 {
625 return wil6210_resume(dev, false);
626 }
627
wil6210_pm_runtime_idle(struct device * dev)628 static int __maybe_unused wil6210_pm_runtime_idle(struct device *dev)
629 {
630 struct pci_dev *pdev = to_pci_dev(dev);
631 struct wil6210_priv *wil = pci_get_drvdata(pdev);
632
633 wil_dbg_pm(wil, "Runtime idle\n");
634
635 return wil_can_suspend(wil, true);
636 }
637
wil6210_pm_runtime_resume(struct device * dev)638 static int __maybe_unused wil6210_pm_runtime_resume(struct device *dev)
639 {
640 return wil6210_resume(dev, true);
641 }
642
wil6210_pm_runtime_suspend(struct device * dev)643 static int __maybe_unused wil6210_pm_runtime_suspend(struct device *dev)
644 {
645 struct pci_dev *pdev = to_pci_dev(dev);
646 struct wil6210_priv *wil = pci_get_drvdata(pdev);
647
648 if (test_bit(wil_status_suspended, wil->status)) {
649 wil_dbg_pm(wil, "trying to suspend while suspended\n");
650 return 1;
651 }
652
653 return wil6210_suspend(dev, true);
654 }
655
656 static const struct dev_pm_ops wil6210_pm_ops = {
657 SET_SYSTEM_SLEEP_PM_OPS(wil6210_pm_suspend, wil6210_pm_resume)
658 SET_RUNTIME_PM_OPS(wil6210_pm_runtime_suspend,
659 wil6210_pm_runtime_resume,
660 wil6210_pm_runtime_idle)
661 };
662
663 static struct pci_driver wil6210_driver = {
664 .probe = wil_pcie_probe,
665 .remove = wil_pcie_remove,
666 .id_table = wil6210_pcie_ids,
667 .name = WIL_NAME,
668 .driver = {
669 .pm = &wil6210_pm_ops,
670 },
671 };
672
wil6210_driver_init(void)673 static int __init wil6210_driver_init(void)
674 {
675 int rc;
676
677 rc = wil_platform_modinit();
678 if (rc)
679 return rc;
680
681 rc = pci_register_driver(&wil6210_driver);
682 if (rc)
683 wil_platform_modexit();
684 return rc;
685 }
686 module_init(wil6210_driver_init);
687
wil6210_driver_exit(void)688 static void __exit wil6210_driver_exit(void)
689 {
690 pci_unregister_driver(&wil6210_driver);
691 wil_platform_modexit();
692 }
693 module_exit(wil6210_driver_exit);
694
695 MODULE_LICENSE("Dual BSD/GPL");
696 MODULE_AUTHOR("Qualcomm Atheros <wil6210@qca.qualcomm.com>");
697 MODULE_DESCRIPTION("Driver for 60g WiFi WIL6210 card");
698
