diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-27 19:08:04 -0500 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-27 19:08:04 -0500 |
commit | e4a7ca29039e615ce13a61b9c6abfb2aa394e9a1 (patch) | |
tree | fc7f36ccb9ec01e95636c01b09589e88da5c520f /drivers/usb/host/fhci-dbg.c | |
parent | 843c04a0f63c74c6424e4b7d1ab85223b1ecf740 (diff) | |
parent | 236dd4d18f293e3c9798f35c08272196826a980d (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (36 commits)
USB: Driver for Freescale QUICC Engine USB Host Controller
USB: option: add QUANTA HSDPA Data Card device ids
USB: storage: Add another unusual_dev for off-by-one bug
USB: unusual_dev: usb-storage needs to ignore a device
USB: GADGET: fix !x & y
USB: new id for ti_usb_3410_5052 driver
USB: cdc-acm: Add another conexant modem to the quirks
USB: 'option' driver - onda device MT503HS has wrong id
USB: Remove ZTE modem from unusual_devices
USB: storage: support of Dane-Elec MediaTouch USB device
USB: usbmon: Implement compat_ioctl
USB: add kernel-doc for wusb_dev in struct usb_device
USB: ftdi_sio driver support of bar code scanner from Diebold
USB: ftdi_sio: added Alti-2 VID and Neptune 3 PID
USB: cp2101 device
USB: usblp.c: add USBLP_QUIRK_BIDIR to Brother HL-1440
USB: remove vernier labpro from ldusb
USB: CDC-ACM quirk for MTK GPS
USB: cdc-acm: support some gps data loggers
USB: composite: Fix bug: low byte of w_index is the usb interface number not the whole 2 bytes of w_index
...
Diffstat (limited to 'drivers/usb/host/fhci-dbg.c')
-rw-r--r-- | drivers/usb/host/fhci-dbg.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/drivers/usb/host/fhci-dbg.c b/drivers/usb/host/fhci-dbg.c new file mode 100644 index 000000000000..34e14edf390b --- /dev/null +++ b/drivers/usb/host/fhci-dbg.c | |||
@@ -0,0 +1,139 @@ | |||
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> | ||
23 | #include "../core/hcd.h" | ||
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; | ||
44 | struct fhci_regs __iomem *regs = fhci->regs; | ||
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", | ||
53 | in_8(®s->usb_mod), in_8(®s->usb_addr), | ||
54 | in_8(®s->usb_comm), in_be16(®s->usb_ep[0]), | ||
55 | in_be16(®s->usb_event), in_be16(®s->usb_mask), | ||
56 | in_8(®s->usb_status), in_be16(®s->usb_sof_tmr), | ||
57 | in_be16(®s->usb_frame_num), | ||
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 | |||
111 | fhci->dfs_root = debugfs_create_dir(dev->bus_id, NULL); | ||
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 | } | ||