forked from ~ljy/RK356X_SDK_RELEASE
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hc
2023-12-08 01573e231f18eb2d99162747186f59511f56b64d 
 kernel/drivers/usb/dwc3/debugfs.c
....@@ -2,7 +2,7 @@
22 /**
33  * debugfs.c - DesignWare USB3 DRD Controller DebugFS file
44  *
5
- * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com
5
+ * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com
66  *
77  * Authors: Felipe Balbi <balbi@ti.com>,
88  *	    Sebastian Andrzej Siewior <bigeasy@linutronix.de>
....@@ -397,13 +397,13 @@
397397 
398398 	switch (DWC3_GCTL_PRTCAP(reg)) {
399399 	case DWC3_GCTL_PRTCAP_HOST:
400
-		seq_printf(s, "host\n");
400
+		seq_puts(s, "host\n");
401401 		break;
402402 	case DWC3_GCTL_PRTCAP_DEVICE:
403
-		seq_printf(s, "device\n");
403
+		seq_puts(s, "device\n");
404404 		break;
405405 	case DWC3_GCTL_PRTCAP_OTG:
406
-		seq_printf(s, "otg\n");
406
+		seq_puts(s, "otg\n");
407407 		break;
408408 	default:
409409 		seq_printf(s, "UNKNOWN %08x\n", DWC3_GCTL_PRTCAP(reg));
....@@ -428,6 +428,9 @@
428428 	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
429429 		return -EFAULT;
430430 
431
+	if (dwc->dr_mode != USB_DR_MODE_OTG)
432
+		return count;
433
+
431434 	if (!strncmp(buf, "host", 4))
432435 		mode = DWC3_GCTL_PRTCAP_HOST;
433436 
....@@ -436,6 +439,10 @@
436439 
437440 	if (!strncmp(buf, "otg", 3))
438441 		mode = DWC3_GCTL_PRTCAP_OTG;
442
+
443
+#if defined(CONFIG_ARCH_ROCKCHIP) && defined(CONFIG_NO_GKI)
444
+	dwc->desired_role_sw_mode = mode;
445
+#endif
439446 
440447 	dwc3_set_mode(dwc, mode);
441448 
....@@ -464,22 +471,22 @@
464471 
465472 	switch (reg) {
466473 	case 0:
467
-		seq_printf(s, "no test\n");
474
+		seq_puts(s, "no test\n");
468475 		break;
469
-	case TEST_J:
470
-		seq_printf(s, "test_j\n");
476
+	case USB_TEST_J:
477
+		seq_puts(s, "test_j\n");
471478 		break;
472
-	case TEST_K:
473
-		seq_printf(s, "test_k\n");
479
+	case USB_TEST_K:
480
+		seq_puts(s, "test_k\n");
474481 		break;
475
-	case TEST_SE0_NAK:
476
-		seq_printf(s, "test_se0_nak\n");
482
+	case USB_TEST_SE0_NAK:
483
+		seq_puts(s, "test_se0_nak\n");
477484 		break;
478
-	case TEST_PACKET:
479
-		seq_printf(s, "test_packet\n");
485
+	case USB_TEST_PACKET:
486
+		seq_puts(s, "test_packet\n");
480487 		break;
481
-	case TEST_FORCE_EN:
482
-		seq_printf(s, "test_force_enable\n");
488
+	case USB_TEST_FORCE_ENABLE:
489
+		seq_puts(s, "test_force_enable\n");
483490 		break;
484491 	default:
485492 		seq_printf(s, "UNKNOWN %d\n", reg);
....@@ -506,15 +513,15 @@
506513 		return -EFAULT;
507514 
508515 	if (!strncmp(buf, "test_j", 6))
509
-		testmode = TEST_J;
516
+		testmode = USB_TEST_J;
510517 	else if (!strncmp(buf, "test_k", 6))
511
-		testmode = TEST_K;
518
+		testmode = USB_TEST_K;
512519 	else if (!strncmp(buf, "test_se0_nak", 12))
513
-		testmode = TEST_SE0_NAK;
520
+		testmode = USB_TEST_SE0_NAK;
514521 	else if (!strncmp(buf, "test_packet", 11))
515
-		testmode = TEST_PACKET;
522
+		testmode = USB_TEST_PACKET;
516523 	else if (!strncmp(buf, "test_force_enable", 17))
517
-		testmode = TEST_FORCE_EN;
524
+		testmode = USB_TEST_FORCE_ENABLE;
518525 	else
519526 		testmode = 0;
520527 
....@@ -635,13 +642,16 @@
635642 	struct dwc3_ep		*dep = s->private;
636643 	struct dwc3		*dwc = dep->dwc;
637644 	unsigned long		flags;
645
+	u32			mdwidth;
638646 	u32			val;
639647 
640648 	spin_lock_irqsave(&dwc->lock, flags);
641649 	val = dwc3_core_fifo_space(dep, DWC3_TXFIFO);
642650 
643651 	/* Convert to bytes */
644
-	val *= DWC3_MDWIDTH(dwc->hwparams.hwparams0);
652
+	mdwidth = dwc3_mdwidth(dwc);
653
+
654
+	val *= mdwidth;
645655 	val >>= 3;
646656 	seq_printf(s, "%u\n", val);
647657 	spin_unlock_irqrestore(&dwc->lock, flags);
....@@ -654,13 +664,16 @@
654664 	struct dwc3_ep		*dep = s->private;
655665 	struct dwc3		*dwc = dep->dwc;
656666 	unsigned long		flags;
667
+	u32			mdwidth;
657668 	u32			val;
658669 
659670 	spin_lock_irqsave(&dwc->lock, flags);
660671 	val = dwc3_core_fifo_space(dep, DWC3_RXFIFO);
661672 
662673 	/* Convert to bytes */
663
-	val *= DWC3_MDWIDTH(dwc->hwparams.hwparams0);
674
+	mdwidth = dwc3_mdwidth(dwc);
675
+
676
+	val *= mdwidth;
664677 	val >>= 3;
665678 	seq_printf(s, "%u\n", val);
666679 	spin_unlock_irqrestore(&dwc->lock, flags);
....@@ -750,27 +763,26 @@
750763 	unsigned long		flags;
751764 
752765 	spin_lock_irqsave(&dwc->lock, flags);
753
-	if (!(dep->flags & DWC3_EP_ENABLED) ||
754
-			!dep->endpoint.desc) {
755
-		seq_printf(s, "--\n");
766
+	if (!(dep->flags & DWC3_EP_ENABLED) || !dep->endpoint.desc) {
767
+		seq_puts(s, "--\n");
756768 		goto out;
757769 	}
758770 
759771 	switch (usb_endpoint_type(dep->endpoint.desc)) {
760772 	case USB_ENDPOINT_XFER_CONTROL:
761
-		seq_printf(s, "control\n");
773
+		seq_puts(s, "control\n");
762774 		break;
763775 	case USB_ENDPOINT_XFER_ISOC:
764
-		seq_printf(s, "isochronous\n");
776
+		seq_puts(s, "isochronous\n");
765777 		break;
766778 	case USB_ENDPOINT_XFER_BULK:
767
-		seq_printf(s, "bulk\n");
779
+		seq_puts(s, "bulk\n");
768780 		break;
769781 	case USB_ENDPOINT_XFER_INT:
770
-		seq_printf(s, "interrupt\n");
782
+		seq_puts(s, "interrupt\n");
771783 		break;
772784 	default:
773
-		seq_printf(s, "--\n");
785
+		seq_puts(s, "--\n");
774786 	}
775787 
776788 out:
....@@ -788,11 +800,11 @@
788800 
789801 	spin_lock_irqsave(&dwc->lock, flags);
790802 	if (dep->number <= 1) {
791
-		seq_printf(s, "--\n");
803
+		seq_puts(s, "--\n");
792804 		goto out;
793805 	}
794806 
795
-	seq_printf(s, "buffer_addr,size,type,ioc,isp_imi,csp,chn,lst,hwo\n");
807
+	seq_puts(s, "buffer_addr,size,type,ioc,isp_imi,csp,chn,lst,hwo\n");
796808 
797809 	for (i = 0; i < DWC3_TRB_NUM; i++) {
798810 		struct dwc3_trb *trb = &dep->trb_pool[i];
....@@ -874,7 +886,7 @@
874886 		const struct file_operations *fops = dwc3_ep_file_map[i].fops;
875887 		const char *name = dwc3_ep_file_map[i].name;
876888 
877
-		debugfs_create_file(name, S_IRUGO, parent, dep, fops);
889
+		debugfs_create_file(name, 0444, parent, dep, fops);
878890 	}
879891 }
880892 
....@@ -900,24 +912,21 @@
900912 	dwc->regset->nregs = ARRAY_SIZE(dwc3_regs);
901913 	dwc->regset->base = dwc->regs - DWC3_GLOBALS_REGS_START;
902914 
903
-	root = debugfs_create_dir(dev_name(dwc->dev), NULL);
915
+	root = debugfs_create_dir(dev_name(dwc->dev), usb_debug_root);
904916 	dwc->root = root;
905917 
906
-	debugfs_create_regset32("regdump", S_IRUGO, root, dwc->regset);
918
+	debugfs_create_regset32("regdump", 0444, root, dwc->regset);
919
+	debugfs_create_file("lsp_dump", 0644, root, dwc, &dwc3_lsp_fops);
907920 
908
-	debugfs_create_file("lsp_dump", S_IRUGO | S_IWUSR, root, dwc,
909
-			    &dwc3_lsp_fops);
910
-
911
-	if (IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE)) {
912
-		debugfs_create_file("mode", S_IRUGO | S_IWUSR, root, dwc,
921
+	if (IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE))
922
+		debugfs_create_file("mode", 0644, root, dwc,
913923 				    &dwc3_mode_fops);
914
-	}
915924 
916925 	if (IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE) ||
917926 			IS_ENABLED(CONFIG_USB_DWC3_GADGET)) {
918
-		debugfs_create_file("testmode", S_IRUGO | S_IWUSR, root, dwc,
919
-				    &dwc3_testmode_fops);
920
-		debugfs_create_file("link_state", S_IRUGO | S_IWUSR, root, dwc,
927
+		debugfs_create_file("testmode", 0644, root, dwc,
928
+				&dwc3_testmode_fops);
929
+		debugfs_create_file("link_state", 0644, root, dwc,
921930 				    &dwc3_link_state_fops);
922931 	}
923932 }