projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| 236dd4d1 AV |
1 | /* |
| 2 | * Freescale QUICC Engine USB Host Controller Driver | |
| 3 | * | |
| 4 | * Copyright (c) Freescale Semicondutor, Inc. 2006. | |
| 5 | * Shlomi Gridish <gridish@freescale.com> | |
| 6 | * Jerry Huang <Chang-Ming.Huang@freescale.com> | |
| 7 | * Copyright (c) Logic Product Development, Inc. 2007 | |
| 8 | * Peter Barada <peterb@logicpd.com> | |
| 9 | * Copyright (c) MontaVista Software, Inc. 2008. | |
| 10 | * Anton Vorontsov <avorontsov@ru.mvista.com> | |
| 11 | * | |
| 12 | * This program is free software; you can redistribute it and/or modify it | |
| 13 | * under the terms of the GNU General Public License as published by the | |
| 14 | * Free Software Foundation; either version 2 of the License, or (at your | |
| 15 | * option) any later version. | |
| 16 | */ | |
| 17 | ||
| 18 | #include <linux/kernel.h> | |
| 19 | #include <linux/errno.h> | |
| 20 | #include <linux/debugfs.h> | |
| 21 | #include <linux/seq_file.h> | |
| 22 | #include <linux/usb.h> | |
| 27729aad | 23 | #include <linux/usb/hcd.h> |
| 236dd4d1 AV |
24 | #include "fhci.h" |
| 25 | ||
| 26 | void fhci_dbg_isr(struct fhci_hcd *fhci, int usb_er) | |
| 27 | { | |
| 28 | int i; | |
| 29 | ||
| 30 | if (usb_er == -1) { | |
| 31 | fhci->usb_irq_stat[12]++; | |
| 32 | return; | |
| 33 | } | |
| 34 | ||
| 35 | for (i = 0; i < 12; ++i) { | |
| 36 | if (usb_er & (1 << i)) | |
| 37 | fhci->usb_irq_stat[i]++; | |
| 38 | } | |
| 39 | } | |
| 40 | ||
| 41 | static int fhci_dfs_regs_show(struct seq_file *s, void *v) | |
| 42 | { | |
| 43 | struct fhci_hcd *fhci = s->private; | |
| cf61fdb9 | 44 | struct qe_usb_ctlr __iomem *regs = fhci->regs; |
| 236dd4d1 AV |
45 | |
| 46 | seq_printf(s, | |
| 47 | "mode: 0x%x\n" "addr: 0x%x\n" | |
| 48 | "command: 0x%x\n" "ep0: 0x%x\n" | |
| 49 | "event: 0x%x\n" "mask: 0x%x\n" | |
| 50 | "status: 0x%x\n" "SOF timer: %d\n" | |
| 51 | "frame number: %d\n" | |
| 52 | "lines status: 0x%x\n", | |
| cf61fdb9 GMF |
53 | in_8(®s->usb_usmod), in_8(®s->usb_usadr), |
| 54 | in_8(®s->usb_uscom), in_be16(®s->usb_usep[0]), | |
| 55 | in_be16(®s->usb_usber), in_be16(®s->usb_usbmr), | |
| 56 | in_8(®s->usb_usbs), in_be16(®s->usb_ussft), | |
| 57 | in_be16(®s->usb_usfrn), | |
| 236dd4d1 AV |
58 | fhci_ioports_check_bus_state(fhci)); |
| 59 | ||
| 60 | return 0; | |
| 61 | } | |
| 62 | ||
| 63 | static int fhci_dfs_irq_stat_show(struct seq_file *s, void *v) | |
| 64 | { | |
| 65 | struct fhci_hcd *fhci = s->private; | |
| 66 | int *usb_irq_stat = fhci->usb_irq_stat; | |
| 67 | ||
| 68 | seq_printf(s, | |
| 69 | "RXB: %d\n" "TXB: %d\n" "BSY: %d\n" | |
| 70 | "SOF: %d\n" "TXE0: %d\n" "TXE1: %d\n" | |
| 71 | "TXE2: %d\n" "TXE3: %d\n" "IDLE: %d\n" | |
| 72 | "RESET: %d\n" "SFT: %d\n" "MSF: %d\n" | |
| 73 | "IDLE_ONLY: %d\n", | |
| 74 | usb_irq_stat[0], usb_irq_stat[1], usb_irq_stat[2], | |
| 75 | usb_irq_stat[3], usb_irq_stat[4], usb_irq_stat[5], | |
| 76 | usb_irq_stat[6], usb_irq_stat[7], usb_irq_stat[8], | |
| 77 | usb_irq_stat[9], usb_irq_stat[10], usb_irq_stat[11], | |
| 78 | usb_irq_stat[12]); | |
| 79 | ||
| 80 | return 0; | |
| 81 | } | |
| 82 | ||
| 83 | static int fhci_dfs_regs_open(struct inode *inode, struct file *file) | |
| 84 | { | |
| 85 | return single_open(file, fhci_dfs_regs_show, inode->i_private); | |
| 86 | } | |
| 87 | ||
| 88 | static int fhci_dfs_irq_stat_open(struct inode *inode, struct file *file) | |
| 89 | { | |
| 90 | return single_open(file, fhci_dfs_irq_stat_show, inode->i_private); | |
| 91 | } | |
| 92 | ||
| 93 | static const struct file_operations fhci_dfs_regs_fops = { | |
| 94 | .open = fhci_dfs_regs_open, | |
| 95 | .read = seq_read, | |
| 96 | .llseek = seq_lseek, | |
| 97 | .release = single_release, | |
| 98 | }; | |
| 99 | ||
| 100 | static const struct file_operations fhci_dfs_irq_stat_fops = { | |
| 101 | .open = fhci_dfs_irq_stat_open, | |
| 102 | .read = seq_read, | |
| 103 | .llseek = seq_lseek, | |
| 104 | .release = single_release, | |
| 105 | }; | |
| 106 | ||
| 107 | void fhci_dfs_create(struct fhci_hcd *fhci) | |
| 108 | { | |
| 109 | struct device *dev = fhci_to_hcd(fhci)->self.controller; | |
| 110 | ||
| 66536ab3 | 111 | fhci->dfs_root = debugfs_create_dir(dev_name(dev), usb_debug_root); |
| 236dd4d1 AV |
112 | if (!fhci->dfs_root) { |
| 113 | WARN_ON(1); | |
| 114 | return; | |
| 115 | } | |
| 116 | ||
| 117 | fhci->dfs_regs = debugfs_create_file("regs", S_IFREG | S_IRUGO, | |
| 118 | fhci->dfs_root, fhci, &fhci_dfs_regs_fops); | |
| 119 | ||
| 120 | fhci->dfs_irq_stat = debugfs_create_file("irq_stat", | |
| 121 | S_IFREG | S_IRUGO, fhci->dfs_root, fhci, | |
| 122 | &fhci_dfs_irq_stat_fops); | |
| 123 | ||
| 124 | WARN_ON(!fhci->dfs_regs || !fhci->dfs_irq_stat); | |
| 125 | } | |
| 126 | ||
| 127 | void fhci_dfs_destroy(struct fhci_hcd *fhci) | |
| 128 | { | |
| 129 | if (!fhci->dfs_root) | |
| 130 | return; | |
| 131 | ||
| 132 | if (fhci->dfs_irq_stat) | |
| 133 | debugfs_remove(fhci->dfs_irq_stat); | |
| 134 | ||
| 135 | if (fhci->dfs_regs) | |
| 136 | debugfs_remove(fhci->dfs_regs); | |
| 137 | ||
| 138 | debugfs_remove(fhci->dfs_root); | |
| 139 | } |