patch-2.2.7 linux/drivers/usb/ohci-debug.c

• Lines: 140
• Date: Mon Apr 26 12:52:33 1999
• Orig file: v2.2.6/linux/drivers/usb/ohci-debug.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.2.6/linux/drivers/usb/ohci-debug.c linux/drivers/usb/ohci-debug.c
@@ -0,0 +1,139 @@
+/*
+ * OHCI debugging code.  It's gross.
+ *
+ * (C) Copyright 1999 Gregory P. Smith
+ */
+
+#include <linux/kernel.h>
+#include <asm/io.h>
+
+#include "ohci.h"
+
+void show_ohci_status(struct ohci *ohci)
+{
+	struct ohci_regs regs;
+	int i;
+
+	regs.revision = readl(ohci->regs->revision);
+	regs.control = readl(ohci->regs->control);
+	regs.cmdstatus = readl(ohci->regs->cmdstatus);
+	regs.intrstatus = readl(ohci->regs->intrstatus);
+	regs.intrenable = readl(ohci->regs->intrenable);
+	regs.intrdisable = readl(ohci->regs->intrdisable);
+	regs.hcca = readl(ohci->regs->hcca);
+	regs.ed_periodcurrent = readl(ohci->regs->ed_periodcurrent);
+	regs.ed_controlhead = readl(ohci->regs->ed_controlhead);
+	regs.ed_bulkhead = readl(ohci->regs->ed_bulkhead);
+	regs.ed_bulkcurrent = readl(ohci->regs->ed_bulkcurrent);
+	regs.current_donehead = readl(ohci->regs->current_donehead);
+	regs.fminterval = readl(ohci->regs->fminterval);
+	regs.fmremaining = readl(ohci->regs->fmremaining);
+	regs.fmnumber = readl(ohci->regs->fmnumber);
+	regs.periodicstart = readl(ohci->regs->periodicstart);
+	regs.lsthresh = readl(ohci->regs->lsthresh);
+	regs.roothub.a = readl(ohci->regs->roothub.a);
+	regs.roothub.b = readl(ohci->regs->roothub.b);
+	regs.roothub.status = readl(ohci->regs->roothub.status);
+	for (i=0; i<MAX_ROOT_PORTS; ++i)
+		regs.roothub.portstatus[i] = readl(ohci->regs->roothub.portstatus[i]);
+
+	printk("  ohci revision    =  0x%x\n", regs.revision);
+	printk("  ohci control     =  0x%x\n", regs.control);
+	printk("  ohci cmdstatus   =  0x%x\n", regs.cmdstatus);
+	printk("  ohci intrstatus  =  0x%x\n", regs.intrstatus);
+	printk("  ohci roothub.a   =  0x%x\n", regs.roothub.a);
+	printk("  ohci roothub.b   =  0x%x\n", regs.roothub.b);
+	printk("  ohci root status =  0x%x\n", regs.roothub.status);
+} /* show_ohci_status() */
+
+
+static void show_ohci_ed(struct ohci_ed *ed)
+{
+	int stat = ed->status;
+	int skip = (stat & OHCI_ED_SKIP);
+	int mps = (stat & OHCI_ED_MPS) >> 16;
+	int isoc = (stat & OHCI_ED_F_ISOC);
+	int low_speed = (stat & OHCI_ED_S_LOW);
+	int dir = (stat & OHCI_ED_D);
+	int endnum = (stat & OHCI_ED_EN) >> 7;
+	int funcaddr = (stat & OHCI_ED_FA);
+	int halted = (ed->head_td & 1);
+	int toggle = (ed->head_td & 2) >> 1;
+
+	printk("   ohci ED:\n");
+	printk("     status     =  0x%x\n", stat);
+	printk("       %sMPS %d%s%s%s%s tc%d e%d fa%d\n",
+			skip ? "Skip " : "",
+			mps,
+			isoc ? "Isoc. " : "",
+			low_speed ? "LowSpd " : "",
+			(dir == OHCI_ED_D_IN) ? "Input " :
+			(dir == OHCI_ED_D_OUT) ? "Output " : "",
+			halted ? "Halted " : "",
+			toggle,
+			endnum,
+			funcaddr);
+	printk("     tail_td    =  0x%x\n", ed->tail_td);
+	printk("     head_td    =  0x%x\n", ed->head_td);
+	printk("     next_ed    =  0x%x\n", ed->next_ed);
+} /* show_ohci_ed() */
+
+
+static void show_ohci_td(struct ohci_td *td)
+{
+	int td_round = td->info & OHCI_TD_ROUND;
+	int td_dir = td->info & OHCI_TD_D;
+	int td_int_delay = td->info & OHCI_TD_IOC_DELAY;
+	int td_toggle = td->info & OHCI_TD_DT;
+	int td_errcnt = td_errorcount(td->info);
+	int td_cc = td->info & OHCI_TD_CC;
+
+	printk("   ohci TD hardware fields:\n");
+	printk("      info     =  0x%x\n", td->info);
+	printk("        %s%s%s%d%s%s%d%s%d\n",
+		td_round ? "Rounding " : "",
+		(td_dir == OHCI_TD_D_IN) ? "Input " :
+		(td_dir == OHCI_TD_D_OUT) ? "Output " :
+		(td_dir == OHCI_TD_D_SETUP) ? "Setup " : "",
+		"IntDelay ", td_int_delay >> 21,
+		td_toggle ? "Data1 " : "Data0 ",
+		"ErrorCnt ", td_errcnt,
+		"ComplCode ", td_cc);
+	printk("       %sAccessed, %sActive\n",
+			td_cc_accessed(td->info) ? "" : "Not ",
+			td_active(td->info) ? "" : "Not ");
+
+	printk("      cur_buf  =  0x%x\n", td->cur_buf);
+	printk("      next_td  =  0x%x\n", td->next_td);
+	printk("      buf_end  =  0x%x\n", td->buf_end);
+	printk("   ohci TD driver fields:\n");
+	printk("      data     =  %p\n", td->data);
+	printk("      dev_id   =  %p\n", td->dev_id);
+	printk("      ed_bus   =  %x\n", td->ed_bus);
+} /* show_ohci_td() */
+
+
+void show_ohci_device(struct ohci_device *dev)
+{
+	int idx;
+	printk("  ohci_device usb       =  %p\n", dev->usb);
+	printk("  ohci_device ohci      =  %p\n", dev->ohci);
+	printk("  ohci_device ohci_hcca =  %p\n", dev->hcca);
+	for (idx=0; idx<8 /*NUM_EDS*/; ++idx) {
+		printk("   [ed num %d] ", idx);
+		show_ohci_ed(&dev->ed[idx]);
+	}
+	for (idx=0; idx<8 /*NUM_TDS*/; ++idx) {
+		printk("   [td num %d] ", idx);
+		show_ohci_td(&dev->td[idx]);
+	}
+	printk("  ohci_device data\n    ");
+	for (idx=0; idx<4; ++idx) {
+		printk(" %08lx", dev->data[idx]);
+	}
+	printk("\n");
+} /* show_ohci_device() */
+
+
+/* vim:sw=8
+ */