// SPDX-License-Identifier: GPL-2.0+
/*
* Freescale QUICC Engine USB Host Controller Driver
*
* Copyright ( c ) Freescale Semicondutor , Inc . 2006 .
* Shlomi Gridish < gridish @ freescale . com >
* Jerry Huang < Chang - Ming . Huang @ freescale . com >
* Copyright ( c ) Logic Product Development , Inc . 2007
* Peter Barada < peterb @ logicpd . com >
* Copyright ( c ) MontaVista Software , Inc . 2008 .
* Anton Vorontsov < avorontsov @ ru . mvista . com >
*/
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/usb.h>
#include <linux/usb/hcd.h>
#include "fhci.h"
void fhci_dbg_isr(struct fhci_hcd *fhci, int usb_er)
{
int i;
if (usb_er == -1 ) {
fhci->usb_irq_stat[12 ]++;
return ;
}
for (i = 0 ; i < 12 ; ++i) {
if (usb_er & (1 << i))
fhci->usb_irq_stat[i]++;
}
}
static int fhci_dfs_regs_show(struct seq_file *s, void *v)
{
struct fhci_hcd *fhci = s->private ;
struct qe_usb_ctlr __iomem *regs = fhci->regs;
seq_printf(s,
"mode: 0x%x\n" "addr: 0x%x\n"
"command: 0x%x\n" "ep0: 0x%x\n"
"event: 0x%x\n" "mask: 0x%x\n"
"status: 0x%x\n" "SOF timer: %d\n"
"frame number: %d\n"
"lines status: 0x%x\n" ,
in_8(®s->usb_usmod), in_8(®s->usb_usadr),
in_8(®s->usb_uscom), in_be16(®s->usb_usep[0 ]),
in_be16(®s->usb_usber), in_be16(®s->usb_usbmr),
in_8(®s->usb_usbs), in_be16(®s->usb_ussft),
in_be16(®s->usb_usfrn),
fhci_ioports_check_bus_state(fhci));
return 0 ;
}
DEFINE_SHOW_ATTRIBUTE(fhci_dfs_regs);
static int fhci_dfs_irq_stat_show(struct seq_file *s, void *v)
{
struct fhci_hcd *fhci = s->private ;
int *usb_irq_stat = fhci->usb_irq_stat;
seq_printf(s,
"RXB: %d\n" "TXB: %d\n" "BSY: %d\n"
"SOF: %d\n" "TXE0: %d\n" "TXE1: %d\n"
"TXE2: %d\n" "TXE3: %d\n" "IDLE: %d\n"
"RESET: %d\n" "SFT: %d\n" "MSF: %d\n"
"IDLE_ONLY: %d\n" ,
usb_irq_stat[0 ], usb_irq_stat[1 ], usb_irq_stat[2 ],
usb_irq_stat[3 ], usb_irq_stat[4 ], usb_irq_stat[5 ],
usb_irq_stat[6 ], usb_irq_stat[7 ], usb_irq_stat[8 ],
usb_irq_stat[9 ], usb_irq_stat[10 ], usb_irq_stat[11 ],
usb_irq_stat[12 ]);
return 0 ;
}
DEFINE_SHOW_ATTRIBUTE(fhci_dfs_irq_stat);
void fhci_dfs_create(struct fhci_hcd *fhci)
{
struct device *dev = fhci_to_hcd(fhci)->self.controller;
fhci->dfs_root = debugfs_create_dir(dev_name(dev), usb_debug_root);
debugfs_create_file("regs" , S_IFREG | S_IRUGO, fhci->dfs_root, fhci,
&fhci_dfs_regs_fops);
debugfs_create_file("irq_stat" , S_IFREG | S_IRUGO, fhci->dfs_root, fhci,
&fhci_dfs_irq_stat_fops);
}
void fhci_dfs_destroy(struct fhci_hcd *fhci)
{
debugfs_remove_recursive(fhci->dfs_root);
}
Messung V0.5 in Prozent C=98 H=94 G=95
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-09-29)
¤
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