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[linux/fpc-iii.git] / drivers / usb / host / xhci-debugfs.h
blobac5bc40f5c3afc867a0336c57c9782a219e015b1
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * xhci-debugfs.h - xHCI debugfs interface
5 * Copyright (C) 2017 Intel Corporation
7 * Author: Lu Baolu <baolu.lu@linux.intel.com>
8 */
10 #ifndef __LINUX_XHCI_DEBUGFS_H
11 #define __LINUX_XHCI_DEBUGFS_H
13 #include <linux/debugfs.h>
15 #define DEBUGFS_NAMELEN 32
17 #define REG_CAPLENGTH 0x00
18 #define REG_HCSPARAMS1 0x04
19 #define REG_HCSPARAMS2 0x08
20 #define REG_HCSPARAMS3 0x0c
21 #define REG_HCCPARAMS1 0x10
22 #define REG_DOORBELLOFF 0x14
23 #define REG_RUNTIMEOFF 0x18
24 #define REG_HCCPARAMS2 0x1c
26 #define REG_USBCMD 0x00
27 #define REG_USBSTS 0x04
28 #define REG_PAGESIZE 0x08
29 #define REG_DNCTRL 0x14
30 #define REG_CRCR 0x18
31 #define REG_DCBAAP_LOW 0x30
32 #define REG_DCBAAP_HIGH 0x34
33 #define REG_CONFIG 0x38
35 #define REG_MFINDEX 0x00
36 #define REG_IR0_IMAN 0x20
37 #define REG_IR0_IMOD 0x24
38 #define REG_IR0_ERSTSZ 0x28
39 #define REG_IR0_ERSTBA_LOW 0x30
40 #define REG_IR0_ERSTBA_HIGH 0x34
41 #define REG_IR0_ERDP_LOW 0x38
42 #define REG_IR0_ERDP_HIGH 0x3c
44 #define REG_EXTCAP_USBLEGSUP 0x00
45 #define REG_EXTCAP_USBLEGCTLSTS 0x04
47 #define REG_EXTCAP_REVISION 0x00
48 #define REG_EXTCAP_NAME 0x04
49 #define REG_EXTCAP_PORTINFO 0x08
50 #define REG_EXTCAP_PORTTYPE 0x0c
51 #define REG_EXTCAP_MANTISSA1 0x10
52 #define REG_EXTCAP_MANTISSA2 0x14
53 #define REG_EXTCAP_MANTISSA3 0x18
54 #define REG_EXTCAP_MANTISSA4 0x1c
55 #define REG_EXTCAP_MANTISSA5 0x20
56 #define REG_EXTCAP_MANTISSA6 0x24
58 #define REG_EXTCAP_DBC_CAPABILITY 0x00
59 #define REG_EXTCAP_DBC_DOORBELL 0x04
60 #define REG_EXTCAP_DBC_ERSTSIZE 0x08
61 #define REG_EXTCAP_DBC_ERST_LOW 0x10
62 #define REG_EXTCAP_DBC_ERST_HIGH 0x14
63 #define REG_EXTCAP_DBC_ERDP_LOW 0x18
64 #define REG_EXTCAP_DBC_ERDP_HIGH 0x1c
65 #define REG_EXTCAP_DBC_CONTROL 0x20
66 #define REG_EXTCAP_DBC_STATUS 0x24
67 #define REG_EXTCAP_DBC_PORTSC 0x28
68 #define REG_EXTCAP_DBC_CONT_LOW 0x30
69 #define REG_EXTCAP_DBC_CONT_HIGH 0x34
70 #define REG_EXTCAP_DBC_DEVINFO1 0x38
71 #define REG_EXTCAP_DBC_DEVINFO2 0x3c
73 #define dump_register(nm) \
74 { \
75 .name = __stringify(nm), \
76 .offset = REG_ ##nm, \
79 struct xhci_regset {
80 char name[DEBUGFS_NAMELEN];
81 struct debugfs_regset32 regset;
82 size_t nregs;
83 struct dentry *parent;
84 struct list_head list;
87 struct xhci_file_map {
88 const char *name;
89 int (*show)(struct seq_file *s, void *unused);
92 struct xhci_ep_priv {
93 char name[DEBUGFS_NAMELEN];
94 struct dentry *root;
97 struct xhci_slot_priv {
98 char name[DEBUGFS_NAMELEN];
99 struct dentry *root;
100 struct xhci_ep_priv *eps[31];
101 struct xhci_virt_device *dev;
104 #ifdef CONFIG_DEBUG_FS
105 void xhci_debugfs_init(struct xhci_hcd *xhci);
106 void xhci_debugfs_exit(struct xhci_hcd *xhci);
107 void __init xhci_debugfs_create_root(void);
108 void __exit xhci_debugfs_remove_root(void);
109 void xhci_debugfs_create_slot(struct xhci_hcd *xhci, int slot_id);
110 void xhci_debugfs_remove_slot(struct xhci_hcd *xhci, int slot_id);
111 void xhci_debugfs_create_endpoint(struct xhci_hcd *xhci,
112 struct xhci_virt_device *virt_dev,
113 int ep_index);
114 void xhci_debugfs_remove_endpoint(struct xhci_hcd *xhci,
115 struct xhci_virt_device *virt_dev,
116 int ep_index);
117 #else
118 static inline void xhci_debugfs_init(struct xhci_hcd *xhci) { }
119 static inline void xhci_debugfs_exit(struct xhci_hcd *xhci) { }
120 static inline void __init xhci_debugfs_create_root(void) { }
121 static inline void __exit xhci_debugfs_remove_root(void) { }
122 static inline void xhci_debugfs_create_slot(struct xhci_hcd *x, int s) { }
123 static inline void xhci_debugfs_remove_slot(struct xhci_hcd *x, int s) { }
124 static inline void
125 xhci_debugfs_create_endpoint(struct xhci_hcd *xhci,
126 struct xhci_virt_device *virt_dev,
127 int ep_index) { }
128 static inline void
129 xhci_debugfs_remove_endpoint(struct xhci_hcd *xhci,
130 struct xhci_virt_device *virt_dev,
131 int ep_index) { }
132 #endif /* CONFIG_DEBUG_FS */
134 #endif /* __LINUX_XHCI_DEBUGFS_H */