patch-2.2.18 linux/drivers/usb/uhci-debug.c

• Lines: 169
• Date: Thu Jan 1 01:00:00 1970
• Orig file: v2.2.17/drivers/usb/uhci-debug.c
• Orig date: Fri Apr 21 12:46:37 2000

diff -u --new-file --recursive --exclude-from /usr/src/exclude v2.2.17/drivers/usb/uhci-debug.c linux/drivers/usb/uhci-debug.c
@@ -1,168 +0,0 @@
-/*
- * UHCI-specific debugging code. Invaluable when something
- * goes wrong, but don't get in my face.
- *
- * (C) Copyright 1999 Linus Torvalds
- */
-
-#include <linux/kernel.h>
-#include <asm/io.h>
-
-#include "uhci.h"
-
-void show_td(struct uhci_td * td)
-{
-	printk("%08x ", td->link);
-	printk("%se%d %s%s%s%s%s%s%s%s%s%sLength=%x ",
-		((td->status >> 29) & 1) ? "SPD " : "",
-		((td->status >> 27) & 3),
-		((td->status >> 26) & 1) ? "LS " : "",
-		((td->status >> 25) & 1) ? "IOS " : "",
-		((td->status >> 24) & 1) ? "IOC " : "",
-		((td->status >> 23) & 1) ? "Active " : "",
-		((td->status >> 22) & 1) ? "Stalled " : "",
-		((td->status >> 21) & 1) ? "DataBufErr " : "",
-		((td->status >> 20) & 1) ? "Babble " : "",
-		((td->status >> 19) & 1) ? "NAK " : "",
-		((td->status >> 18) & 1) ? "CRC/Timeo " : "",
-		((td->status >> 17) & 1) ? "BitStuff " : "",
-		td->status & 0x7ff);
-	printk("MaxLen=%x %sEndPt=%x Dev=%x, PID=%x ",
-		td->info >> 21,
-		 ((td->info >> 19) & 1) ? "DT " : "",
-		 (td->info >> 15) & 15,
-		 (td->info >> 8) & 127,
-		 td->info & 0xff);
-	printk("(buf=%08x)\n", td->buffer);
-}
-
-static void show_sc(int port, unsigned short status)
-{
-	printk("  stat%d     =     %04x   %s%s%s%s%s%s%s%s\n",
-		port,
-		status,
-		(status & (1 << 12)) ? " PortSuspend" : "",
-		(status & (1 << 9)) ? " PortReset" : "",
-		(status & (1 << 8)) ? " LowSpeed" : "",
-		(status & 0x40) ? " ResumeDetect" : "",
-		(status & 0x08) ? " EnableChange" : "",
-		(status & 0x04) ? " PortEnabled" : "",
-		(status & 0x02) ? " ConnectChange" : "",
-		(status & 0x01) ? " PortConnected" : "");
-}
-
-void show_status(struct uhci *uhci)
-{
-	unsigned int io_addr = uhci->io_addr;
-	unsigned short usbcmd, usbstat, usbint, usbfrnum;
-	unsigned int flbaseadd;
-	unsigned char sof;
-	unsigned short portsc1, portsc2;
-
-	usbcmd    = inw(io_addr + 0);
-	usbstat   = inw(io_addr + 2);
-	usbint    = inw(io_addr + 4);
-	usbfrnum  = inw(io_addr + 6);
-	flbaseadd = inl(io_addr + 8);
-	sof       = inb(io_addr + 12);
-	portsc1   = inw(io_addr + 16);
-	portsc2   = inw(io_addr + 18);
-
-	printk("  usbcmd    =     %04x   %s%s%s%s%s%s%s%s\n",
-		usbcmd,
-		(usbcmd & 0x80) ? " Maxp64" : " Maxp32",
-		(usbcmd & 0x40) ? " CF" : "",
-		(usbcmd & 0x20) ? " SWDBG" : "",
-		(usbcmd & 0x10) ? " FGR" : "",
-		(usbcmd & 0x08) ? " EGSM" : "",
-		(usbcmd & 0x04) ? " GRESET" : "",
-		(usbcmd & 0x02) ? " HCRESET" : "",
-		(usbcmd & 0x01) ? " RS" : "");
-
-	printk("  usbstat   =     %04x   %s%s%s%s%s%s\n",
-		usbstat,
-		(usbstat & 0x20) ? " HCHalted" : "",
-		(usbstat & 0x10) ? " HostControllerProcessError" : "",
-		(usbstat & 0x08) ? " HostSystemError" : "",
-		(usbstat & 0x04) ? " ResumeDetect" : "",
-		(usbstat & 0x02) ? " USBError" : "",
-		(usbstat & 0x01) ? " USBINT" : "");
-
-	printk("  usbint    =     %04x\n", usbint);
-	printk("  usbfrnum  =   (%d)%03x\n", (usbfrnum >> 10) & 1, 0xfff & (4*(unsigned int)usbfrnum));
-	printk("  flbaseadd = %08x\n", flbaseadd);
-	printk("  sof       =       %02x\n", sof);
-	show_sc(1, portsc1);
-	show_sc(2, portsc2);
-}
-
-#define uhci_link_to_qh(x) ((struct uhci_qh *) uhci_link_to_td(x))
-
-struct uhci_td * uhci_link_to_td(unsigned int link)
-{
-	if (link & 1)
-		return NULL;
-
-	return bus_to_virt(link & ~15);
-}
-
-void show_queue(struct uhci_qh *qh)
-{
-	struct uhci_td *td;
-	int i = 0;
-
-#if 0
-	printk("    link = %p, element = %p\n", qh->link, qh->element);
-#endif
-	if(!qh->element) {
-		printk("    td 0 = NULL\n");
-		return;
-	}
-
-	for(td = uhci_link_to_td(qh->element); td; 
-	    td = uhci_link_to_td(td->link)) {
-		printk("    td %d = %p\n", i++, td);
-		printk("    ");
-		show_td(td);
-	}
-}
-
-int is_skeleton_qh(struct uhci *uhci, struct uhci_qh *qh)
-{
-	int j;
-
-	for (j = 0; j < UHCI_MAXQH; j++)
-		if (qh == uhci->root_hub->qh + j)
-			return 1;
-
-	return 0;
-}
-
-static const char *qh_names[] = {"isochronous", "interrupt2", "interrupt4",
-				 "interrupt8", "interrupt16", "interrupt32",
-				 "interrupt64", "interrupt128", "interrupt256",
-				 "control", "bulk0", "bulk1", "bulk2", "bulk3",
-				 "unused", "unused"};
-
-void show_queues(struct uhci *uhci)
-{
-	int i;
-	struct uhci_qh *qh;
-
-	for (i = 0; i < UHCI_MAXQH; ++i) {
-		printk("  %s:\n", qh_names[i]);
-#if 0
-		printk("  qh #%d, %p\n", i, virt_to_bus(uhci->root_hub->qh + i));
-		show_queue(uhci->root_hub->qh + i);
-#endif
-
-		qh = uhci_link_to_qh(uhci->root_hub->qh[i].link);
-		for (; qh; qh = uhci_link_to_qh(qh->link)) {
-			if (is_skeleton_qh(uhci, qh))
-				break;
-
-			show_queue(qh);
-		}
-	}
-}
-