1 /*
2  * Copyright (c) 2012-2017 Qualcomm Atheros, Inc.
3  * Copyright (c) 2018-2019, 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
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->use_compressed_rx_status = true;
112 		wil_fw_name = ftm_mode ? WIL_FW_NAME_FTM_TALYN :
113 			      WIL_FW_NAME_TALYN;
114 		if (wil_fw_verify_file_exists(wil, wil_fw_name))
115 			wil->wil_fw_name = wil_fw_name;
116 		break;
117 	default:
118 		wil_err(wil, "Unknown board hardware, chip_id 0x%08x, chip_revision 0x%08x\n",
119 			jtag_id, chip_revision);
120 		wil->hw_name = "Unknown";
121 		wil->hw_version = HW_VER_UNKNOWN;
122 		return -EINVAL;
123 	}
124 
125 	wil_init_txrx_ops(wil);
126 
127 	iccm_section = wil_find_fw_mapping("fw_code");
128 	if (!iccm_section) {
129 		wil_err(wil, "fw_code section not found in fw_mapping\n");
130 		return -EINVAL;
131 	}
132 	wil->iccm_base = iccm_section->host;
133 
134 	wil_info(wil, "Board hardware is %s, flash %sexist\n", wil->hw_name,
135 		 test_bit(hw_capa_no_flash, wil->hw_capa) ? "doesn't " : "");
136 
137 	/* Get platform capabilities */
138 	if (wil->platform_ops.get_capa) {
139 		platform_capa =
140 			wil->platform_ops.get_capa(wil->platform_handle);
141 		memcpy(wil->platform_capa, &platform_capa,
142 		       min(sizeof(wil->platform_capa), sizeof(platform_capa)));
143 	}
144 
145 	/* extract FW capabilities from file without loading the FW */
146 	wil_request_firmware(wil, wil->wil_fw_name, false);
147 	wil_refresh_fw_capabilities(wil);
148 
149 	return 0;
150 }
151 
152 void wil_disable_irq(struct wil6210_priv *wil)
153 {
154 	int irq = wil->pdev->irq;
155 
156 	disable_irq(irq);
157 	if (wil->n_msi == 3) {
158 		disable_irq(irq + 1);
159 		disable_irq(irq + 2);
160 	}
161 }
162 
163 void wil_enable_irq(struct wil6210_priv *wil)
164 {
165 	int irq = wil->pdev->irq;
166 
167 	enable_irq(irq);
168 	if (wil->n_msi == 3) {
169 		enable_irq(irq + 1);
170 		enable_irq(irq + 2);
171 	}
172 }
173 
174 static void wil_remove_all_additional_vifs(struct wil6210_priv *wil)
175 {
176 	struct wil6210_vif *vif;
177 	int i;
178 
179 	for (i = 1; i < GET_MAX_VIFS(wil); i++) {
180 		vif = wil->vifs[i];
181 		if (vif) {
182 			wil_vif_prepare_stop(vif);
183 			wil_vif_remove(wil, vif->mid);
184 		}
185 	}
186 }
187 
188 /* Bus ops */
189 static int wil_if_pcie_enable(struct wil6210_priv *wil)
190 {
191 	struct pci_dev *pdev = wil->pdev;
192 	int rc;
193 	/* on platforms with buggy ACPI, pdev->msi_enabled may be set to
194 	 * allow pci_enable_device to work. This indicates INTx was not routed
195 	 * and only MSI should be used
196 	 */
197 	int msi_only = pdev->msi_enabled;
198 
199 	wil_dbg_misc(wil, "if_pcie_enable\n");
200 
201 	pci_set_master(pdev);
202 
203 	/* how many MSI interrupts to request? */
204 	switch (n_msi) {
205 	case 3:
206 	case 1:
207 		wil_dbg_misc(wil, "Setup %d MSI interrupts\n", n_msi);
208 		break;
209 	case 0:
210 		wil_dbg_misc(wil, "MSI interrupts disabled, use INTx\n");
211 		break;
212 	default:
213 		wil_err(wil, "Invalid n_msi=%d, default to 1\n", n_msi);
214 		n_msi = 1;
215 	}
216 
217 	if (n_msi == 3 &&
218 	    pci_alloc_irq_vectors(pdev, n_msi, n_msi, PCI_IRQ_MSI) < n_msi) {
219 		wil_err(wil, "3 MSI mode failed, try 1 MSI\n");
220 		n_msi = 1;
221 	}
222 
223 	if (n_msi == 1 && pci_enable_msi(pdev)) {
224 		wil_err(wil, "pci_enable_msi failed, use INTx\n");
225 		n_msi = 0;
226 	}
227 
228 	wil->n_msi = n_msi;
229 
230 	if (wil->n_msi == 0 && msi_only) {
231 		wil_err(wil, "Interrupt pin not routed, unable to use INTx\n");
232 		rc = -ENODEV;
233 		goto stop_master;
234 	}
235 
236 	rc = wil6210_init_irq(wil, pdev->irq);
237 	if (rc)
238 		goto release_vectors;
239 
240 	/* need reset here to obtain MAC */
241 	mutex_lock(&wil->mutex);
242 	rc = wil_reset(wil, false);
243 	mutex_unlock(&wil->mutex);
244 	if (rc)
245 		goto release_irq;
246 
247 	return 0;
248 
249  release_irq:
250 	wil6210_fini_irq(wil, pdev->irq);
251  release_vectors:
252 	/* safe to call if no allocation */
253 	pci_free_irq_vectors(pdev);
254  stop_master:
255 	pci_clear_master(pdev);
256 	return rc;
257 }
258 
259 static int wil_if_pcie_disable(struct wil6210_priv *wil)
260 {
261 	struct pci_dev *pdev = wil->pdev;
262 
263 	wil_dbg_misc(wil, "if_pcie_disable\n");
264 
265 	pci_clear_master(pdev);
266 	/* disable and release IRQ */
267 	wil6210_fini_irq(wil, pdev->irq);
268 	/* safe to call if no MSI */
269 	pci_disable_msi(pdev);
270 	/* TODO: disable HW */
271 
272 	return 0;
273 }
274 
275 static int wil_platform_rop_ramdump(void *wil_handle, void *buf, uint32_t size)
276 {
277 	struct wil6210_priv *wil = wil_handle;
278 
279 	if (!wil)
280 		return -EINVAL;
281 
282 	return wil_fw_copy_crash_dump(wil, buf, size);
283 }
284 
285 static int wil_platform_rop_fw_recovery(void *wil_handle)
286 {
287 	struct wil6210_priv *wil = wil_handle;
288 
289 	if (!wil)
290 		return -EINVAL;
291 
292 	wil_fw_error_recovery(wil);
293 
294 	return 0;
295 }
296 
297 static void wil_platform_ops_uninit(struct wil6210_priv *wil)
298 {
299 	if (wil->platform_ops.uninit)
300 		wil->platform_ops.uninit(wil->platform_handle);
301 	memset(&wil->platform_ops, 0, sizeof(wil->platform_ops));
302 }
303 
304 static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)
305 {
306 	struct wil6210_priv *wil;
307 	struct device *dev = &pdev->dev;
308 	int rc;
309 	const struct wil_platform_rops rops = {
310 		.ramdump = wil_platform_rop_ramdump,
311 		.fw_recovery = wil_platform_rop_fw_recovery,
312 	};
313 	u32 bar_size = pci_resource_len(pdev, 0);
314 	int dma_addr_size[] = {64, 48, 40, 32}; /* keep descending order */
315 	int i, start_idx;
316 
317 	/* check HW */
318 	dev_info(&pdev->dev, WIL_NAME
319 		 " device found [%04x:%04x] (rev %x) bar size 0x%x\n",
320 		 (int)pdev->vendor, (int)pdev->device, (int)pdev->revision,
321 		 bar_size);
322 
323 	if ((bar_size < WIL6210_MIN_MEM_SIZE) ||
324 	    (bar_size > WIL6210_MAX_MEM_SIZE)) {
325 		dev_err(&pdev->dev, "Unexpected BAR0 size 0x%x\n",
326 			bar_size);
327 		return -ENODEV;
328 	}
329 
330 	wil = wil_if_alloc(dev);
331 	if (IS_ERR(wil)) {
332 		rc = (int)PTR_ERR(wil);
333 		dev_err(dev, "wil_if_alloc failed: %d\n", rc);
334 		return rc;
335 	}
336 
337 	wil->pdev = pdev;
338 	pci_set_drvdata(pdev, wil);
339 	wil->bar_size = bar_size;
340 	/* rollback to if_free */
341 
342 	wil->platform_handle =
343 		wil_platform_init(&pdev->dev, &wil->platform_ops, &rops, wil);
344 	if (!wil->platform_handle) {
345 		rc = -ENODEV;
346 		wil_err(wil, "wil_platform_init failed\n");
347 		goto if_free;
348 	}
349 	/* rollback to err_plat */
350 	rc = pci_enable_device(pdev);
351 	if (rc && pdev->msi_enabled == 0) {
352 		wil_err(wil,
353 			"pci_enable_device failed, retry with MSI only\n");
354 		/* Work around for platforms that can't allocate IRQ:
355 		 * retry with MSI only
356 		 */
357 		pdev->msi_enabled = 1;
358 		rc = pci_enable_device(pdev);
359 	}
360 	if (rc) {
361 		wil_err(wil,
362 			"pci_enable_device failed, even with MSI only\n");
363 		goto err_plat;
364 	}
365 	/* rollback to err_disable_pdev */
366 	pci_set_power_state(pdev, PCI_D0);
367 
368 	rc = pci_request_region(pdev, 0, WIL_NAME);
369 	if (rc) {
370 		wil_err(wil, "pci_request_region failed\n");
371 		goto err_disable_pdev;
372 	}
373 	/* rollback to err_release_reg */
374 
375 	wil->csr = pci_ioremap_bar(pdev, 0);
376 	if (!wil->csr) {
377 		wil_err(wil, "pci_ioremap_bar failed\n");
378 		rc = -ENODEV;
379 		goto err_release_reg;
380 	}
381 	/* rollback to err_iounmap */
382 	wil_info(wil, "CSR at %pR -> 0x%p\n", &pdev->resource[0], wil->csr);
383 
384 	rc = wil_set_capabilities(wil);
385 	if (rc) {
386 		wil_err(wil, "wil_set_capabilities failed, rc %d\n", rc);
387 		goto err_iounmap;
388 	}
389 
390 	/* device supports >32bit addresses.
391 	 * for legacy DMA start from 48 bit.
392 	 */
393 	start_idx = wil->use_enhanced_dma_hw ? 0 : 1;
394 
395 	for (i = start_idx; i < ARRAY_SIZE(dma_addr_size); i++) {
396 		rc = dma_set_mask_and_coherent(dev,
397 					       DMA_BIT_MASK(dma_addr_size[i]));
398 		if (rc) {
399 			dev_err(dev, "dma_set_mask_and_coherent(%d) failed: %d\n",
400 				dma_addr_size[i], rc);
401 			continue;
402 		}
403 		dev_info(dev, "using dma mask %d", dma_addr_size[i]);
404 		wil->dma_addr_size = dma_addr_size[i];
405 		break;
406 	}
407 
408 	if (wil->dma_addr_size == 0)
409 		goto err_iounmap;
410 
411 	wil6210_clear_irq(wil);
412 
413 	/* FW should raise IRQ when ready */
414 	rc = wil_if_pcie_enable(wil);
415 	if (rc) {
416 		wil_err(wil, "Enable device failed\n");
417 		goto err_iounmap;
418 	}
419 	/* rollback to bus_disable */
420 
421 	rc = wil_if_add(wil);
422 	if (rc) {
423 		wil_err(wil, "wil_if_add failed: %d\n", rc);
424 		goto bus_disable;
425 	}
426 
427 	/* in case of WMI-only FW, perform full reset and FW loading */
428 	if (test_bit(WMI_FW_CAPABILITY_WMI_ONLY, wil->fw_capabilities)) {
429 		wil_dbg_misc(wil, "Loading WMI only FW\n");
430 		mutex_lock(&wil->mutex);
431 		rc = wil_reset(wil, true);
432 		mutex_unlock(&wil->mutex);
433 		if (rc) {
434 			wil_err(wil, "failed to load WMI only FW\n");
435 			goto if_remove;
436 		}
437 	}
438 
439 	if (IS_ENABLED(CONFIG_PM))
440 		wil->pm_notify.notifier_call = wil6210_pm_notify;
441 
442 	rc = register_pm_notifier(&wil->pm_notify);
443 	if (rc)
444 		/* Do not fail the driver initialization, as suspend can
445 		 * be prevented in a later phase if needed
446 		 */
447 		wil_err(wil, "register_pm_notifier failed: %d\n", rc);
448 
449 	wil6210_debugfs_init(wil);
450 
451 	wil_pm_runtime_allow(wil);
452 
453 	return 0;
454 
455 if_remove:
456 	wil_if_remove(wil);
457 bus_disable:
458 	wil_if_pcie_disable(wil);
459 err_iounmap:
460 	pci_iounmap(pdev, wil->csr);
461 err_release_reg:
462 	pci_release_region(pdev, 0);
463 err_disable_pdev:
464 	pci_disable_device(pdev);
465 err_plat:
466 	wil_platform_ops_uninit(wil);
467 if_free:
468 	wil_if_free(wil);
469 
470 	return rc;
471 }
472 
473 static void wil_pcie_remove(struct pci_dev *pdev)
474 {
475 	struct wil6210_priv *wil = pci_get_drvdata(pdev);
476 	void __iomem *csr = wil->csr;
477 
478 	wil_dbg_misc(wil, "pcie_remove\n");
479 
480 	unregister_pm_notifier(&wil->pm_notify);
481 
482 	wil_pm_runtime_forbid(wil);
483 
484 	wil6210_debugfs_remove(wil);
485 	rtnl_lock();
486 	wil_p2p_wdev_free(wil);
487 	wil_remove_all_additional_vifs(wil);
488 	rtnl_unlock();
489 	wil_if_remove(wil);
490 	wil_if_pcie_disable(wil);
491 	pci_iounmap(pdev, csr);
492 	pci_release_region(pdev, 0);
493 	pci_disable_device(pdev);
494 	wil_platform_ops_uninit(wil);
495 	wil_if_free(wil);
496 }
497 
498 static const struct pci_device_id wil6210_pcie_ids[] = {
499 	{ PCI_DEVICE(0x1ae9, 0x0310) },
500 	{ PCI_DEVICE(0x1ae9, 0x0302) }, /* same as above, firmware broken */
501 	{ PCI_DEVICE(0x17cb, 0x1201) }, /* Talyn */
502 	{ /* end: all zeroes */	},
503 };
504 MODULE_DEVICE_TABLE(pci, wil6210_pcie_ids);
505 
506 static int wil6210_suspend(struct device *dev, bool is_runtime)
507 {
508 	int rc = 0;
509 	struct pci_dev *pdev = to_pci_dev(dev);
510 	struct wil6210_priv *wil = pci_get_drvdata(pdev);
511 	bool keep_radio_on, active_ifaces;
512 
513 	wil_dbg_pm(wil, "suspend: %s\n", is_runtime ? "runtime" : "system");
514 
515 	mutex_lock(&wil->vif_mutex);
516 	active_ifaces = wil_has_active_ifaces(wil, true, false);
517 	mutex_unlock(&wil->vif_mutex);
518 	keep_radio_on = active_ifaces && wil->keep_radio_on_during_sleep;
519 
520 	rc = wil_can_suspend(wil, is_runtime);
521 	if (rc)
522 		goto out;
523 
524 	rc = wil_suspend(wil, is_runtime, keep_radio_on);
525 	if (!rc) {
526 		/* In case radio stays on, platform device will control
527 		 * PCIe master
528 		 */
529 		if (!keep_radio_on) {
530 			/* disable bus mastering */
531 			pci_clear_master(pdev);
532 			wil->suspend_stats.r_off.successful_suspends++;
533 		} else {
534 			wil->suspend_stats.r_on.successful_suspends++;
535 		}
536 	}
537 out:
538 	return rc;
539 }
540 
541 static int wil6210_resume(struct device *dev, bool is_runtime)
542 {
543 	int rc = 0;
544 	struct pci_dev *pdev = to_pci_dev(dev);
545 	struct wil6210_priv *wil = pci_get_drvdata(pdev);
546 	bool keep_radio_on, active_ifaces;
547 
548 	wil_dbg_pm(wil, "resume: %s\n", is_runtime ? "runtime" : "system");
549 
550 	mutex_lock(&wil->vif_mutex);
551 	active_ifaces = wil_has_active_ifaces(wil, true, false);
552 	mutex_unlock(&wil->vif_mutex);
553 	keep_radio_on = active_ifaces && wil->keep_radio_on_during_sleep;
554 
555 	/* In case radio stays on, platform device will control
556 	 * PCIe master
557 	 */
558 	if (!keep_radio_on)
559 		/* allow master */
560 		pci_set_master(pdev);
561 	rc = wil_resume(wil, is_runtime, keep_radio_on);
562 	if (rc) {
563 		wil_err(wil, "device failed to resume (%d)\n", rc);
564 		if (!keep_radio_on) {
565 			pci_clear_master(pdev);
566 			wil->suspend_stats.r_off.failed_resumes++;
567 		} else {
568 			wil->suspend_stats.r_on.failed_resumes++;
569 		}
570 	} else {
571 		if (keep_radio_on)
572 			wil->suspend_stats.r_on.successful_resumes++;
573 		else
574 			wil->suspend_stats.r_off.successful_resumes++;
575 	}
576 
577 	return rc;
578 }
579 
580 static int wil6210_pm_notify(struct notifier_block *notify_block,
581 			     unsigned long mode, void *unused)
582 {
583 	struct wil6210_priv *wil = container_of(
584 		notify_block, struct wil6210_priv, pm_notify);
585 	int rc = 0;
586 	enum wil_platform_event evt;
587 
588 	wil_dbg_pm(wil, "pm_notify: mode (%ld)\n", mode);
589 
590 	switch (mode) {
591 	case PM_HIBERNATION_PREPARE:
592 	case PM_SUSPEND_PREPARE:
593 	case PM_RESTORE_PREPARE:
594 		rc = wil_can_suspend(wil, false);
595 		if (rc)
596 			break;
597 		evt = WIL_PLATFORM_EVT_PRE_SUSPEND;
598 		if (wil->platform_ops.notify)
599 			rc = wil->platform_ops.notify(wil->platform_handle,
600 						      evt);
601 		break;
602 	case PM_POST_SUSPEND:
603 	case PM_POST_HIBERNATION:
604 	case PM_POST_RESTORE:
605 		evt = WIL_PLATFORM_EVT_POST_SUSPEND;
606 		if (wil->platform_ops.notify)
607 			rc = wil->platform_ops.notify(wil->platform_handle,
608 						      evt);
609 		break;
610 	default:
611 		wil_dbg_pm(wil, "unhandled notify mode %ld\n", mode);
612 		break;
613 	}
614 
615 	wil_dbg_pm(wil, "notification mode %ld: rc (%d)\n", mode, rc);
616 	return rc;
617 }
618 
619 static int __maybe_unused wil6210_pm_suspend(struct device *dev)
620 {
621 	return wil6210_suspend(dev, false);
622 }
623 
624 static int __maybe_unused wil6210_pm_resume(struct device *dev)
625 {
626 	return wil6210_resume(dev, false);
627 }
628 
629 static int __maybe_unused wil6210_pm_runtime_idle(struct device *dev)
630 {
631 	struct pci_dev *pdev = to_pci_dev(dev);
632 	struct wil6210_priv *wil = pci_get_drvdata(pdev);
633 
634 	wil_dbg_pm(wil, "Runtime idle\n");
635 
636 	return wil_can_suspend(wil, true);
637 }
638 
639 static int __maybe_unused wil6210_pm_runtime_resume(struct device *dev)
640 {
641 	return wil6210_resume(dev, true);
642 }
643 
644 static int __maybe_unused wil6210_pm_runtime_suspend(struct device *dev)
645 {
646 	struct pci_dev *pdev = to_pci_dev(dev);
647 	struct wil6210_priv *wil = pci_get_drvdata(pdev);
648 
649 	if (test_bit(wil_status_suspended, wil->status)) {
650 		wil_dbg_pm(wil, "trying to suspend while suspended\n");
651 		return 1;
652 	}
653 
654 	return wil6210_suspend(dev, true);
655 }
656 
657 static const struct dev_pm_ops wil6210_pm_ops = {
658 	SET_SYSTEM_SLEEP_PM_OPS(wil6210_pm_suspend, wil6210_pm_resume)
659 	SET_RUNTIME_PM_OPS(wil6210_pm_runtime_suspend,
660 			   wil6210_pm_runtime_resume,
661 			   wil6210_pm_runtime_idle)
662 };
663 
664 static struct pci_driver wil6210_driver = {
665 	.probe		= wil_pcie_probe,
666 	.remove		= wil_pcie_remove,
667 	.id_table	= wil6210_pcie_ids,
668 	.name		= WIL_NAME,
669 	.driver		= {
670 		.pm = &wil6210_pm_ops,
671 	},
672 };
673 
674 static int __init wil6210_driver_init(void)
675 {
676 	int rc;
677 
678 	rc = wil_platform_modinit();
679 	if (rc)
680 		return rc;
681 
682 	rc = pci_register_driver(&wil6210_driver);
683 	if (rc)
684 		wil_platform_modexit();
685 	return rc;
686 }
687 module_init(wil6210_driver_init);
688 
689 static void __exit wil6210_driver_exit(void)
690 {
691 	pci_unregister_driver(&wil6210_driver);
692 	wil_platform_modexit();
693 }
694 module_exit(wil6210_driver_exit);
695 
696 MODULE_LICENSE("Dual BSD/GPL");
697 MODULE_AUTHOR("Qualcomm Atheros <wil6210@qca.qualcomm.com>");
698 MODULE_DESCRIPTION("Driver for 60g WiFi WIL6210 card");
699