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