| Lu Baolu | 02b6fdc | 2017-10-05 11:21:39 +0300 | [diff] [blame^] | 1 | /* |
| 2 | * xhci-debugfs.h - xHCI debugfs interface |
| 3 | * |
| 4 | * Copyright (C) 2017 Intel Corporation |
| 5 | * |
| 6 | * Author: Lu Baolu <baolu.lu@linux.intel.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | #ifndef __LINUX_XHCI_DEBUGFS_H |
| 14 | #define __LINUX_XHCI_DEBUGFS_H |
| 15 | |
| 16 | #include <linux/debugfs.h> |
| 17 | |
| 18 | #define DEBUGFS_NAMELEN 32 |
| 19 | |
| 20 | #define REG_CAPLENGTH 0x00 |
| 21 | #define REG_HCSPARAMS1 0x04 |
| 22 | #define REG_HCSPARAMS2 0x08 |
| 23 | #define REG_HCSPARAMS3 0x0c |
| 24 | #define REG_HCCPARAMS1 0x10 |
| 25 | #define REG_DOORBELLOFF 0x14 |
| 26 | #define REG_RUNTIMEOFF 0x18 |
| 27 | #define REG_HCCPARAMS2 0x1c |
| 28 | |
| 29 | #define REG_USBCMD 0x00 |
| 30 | #define REG_USBSTS 0x04 |
| 31 | #define REG_PAGESIZE 0x08 |
| 32 | #define REG_DNCTRL 0x14 |
| 33 | #define REG_CRCR 0x18 |
| 34 | #define REG_DCBAAP_LOW 0x30 |
| 35 | #define REG_DCBAAP_HIGH 0x34 |
| 36 | #define REG_CONFIG 0x38 |
| 37 | |
| 38 | #define REG_MFINDEX 0x00 |
| 39 | #define REG_IR0_IMAN 0x20 |
| 40 | #define REG_IR0_IMOD 0x24 |
| 41 | #define REG_IR0_ERSTSZ 0x28 |
| 42 | #define REG_IR0_ERSTBA_LOW 0x30 |
| 43 | #define REG_IR0_ERSTBA_HIGH 0x34 |
| 44 | #define REG_IR0_ERDP_LOW 0x38 |
| 45 | #define REG_IR0_ERDP_HIGH 0x3c |
| 46 | |
| 47 | #define REG_EXTCAP_USBLEGSUP 0x00 |
| 48 | #define REG_EXTCAP_USBLEGCTLSTS 0x04 |
| 49 | |
| 50 | #define REG_EXTCAP_REVISION 0x00 |
| 51 | #define REG_EXTCAP_NAME 0x04 |
| 52 | #define REG_EXTCAP_PORTINFO 0x08 |
| 53 | #define REG_EXTCAP_PORTTYPE 0x0c |
| 54 | #define REG_EXTCAP_MANTISSA1 0x10 |
| 55 | #define REG_EXTCAP_MANTISSA2 0x14 |
| 56 | #define REG_EXTCAP_MANTISSA3 0x18 |
| 57 | #define REG_EXTCAP_MANTISSA4 0x1c |
| 58 | #define REG_EXTCAP_MANTISSA5 0x20 |
| 59 | #define REG_EXTCAP_MANTISSA6 0x24 |
| 60 | |
| 61 | #define REG_EXTCAP_DBC_CAPABILITY 0x00 |
| 62 | #define REG_EXTCAP_DBC_DOORBELL 0x04 |
| 63 | #define REG_EXTCAP_DBC_ERSTSIZE 0x08 |
| 64 | #define REG_EXTCAP_DBC_ERST_LOW 0x10 |
| 65 | #define REG_EXTCAP_DBC_ERST_HIGH 0x14 |
| 66 | #define REG_EXTCAP_DBC_ERDP_LOW 0x18 |
| 67 | #define REG_EXTCAP_DBC_ERDP_HIGH 0x1c |
| 68 | #define REG_EXTCAP_DBC_CONTROL 0x20 |
| 69 | #define REG_EXTCAP_DBC_STATUS 0x24 |
| 70 | #define REG_EXTCAP_DBC_PORTSC 0x28 |
| 71 | #define REG_EXTCAP_DBC_CONT_LOW 0x30 |
| 72 | #define REG_EXTCAP_DBC_CONT_HIGH 0x34 |
| 73 | #define REG_EXTCAP_DBC_DEVINFO1 0x38 |
| 74 | #define REG_EXTCAP_DBC_DEVINFO2 0x3c |
| 75 | |
| 76 | #define dump_register(nm) \ |
| 77 | { \ |
| 78 | .name = __stringify(nm), \ |
| 79 | .offset = REG_ ##nm, \ |
| 80 | } |
| 81 | |
| 82 | struct xhci_regset { |
| 83 | char name[DEBUGFS_NAMELEN]; |
| 84 | struct debugfs_regset32 regset; |
| 85 | size_t nregs; |
| 86 | struct dentry *parent; |
| 87 | struct list_head list; |
| 88 | }; |
| 89 | |
| 90 | struct xhci_file_map { |
| 91 | const char *name; |
| 92 | int (*show)(struct seq_file *s, void *unused); |
| 93 | }; |
| 94 | |
| 95 | struct xhci_ep_priv { |
| 96 | char name[DEBUGFS_NAMELEN]; |
| 97 | struct dentry *root; |
| 98 | }; |
| 99 | |
| 100 | struct xhci_slot_priv { |
| 101 | char name[DEBUGFS_NAMELEN]; |
| 102 | struct dentry *root; |
| 103 | struct xhci_ep_priv *eps[31]; |
| 104 | struct xhci_virt_device *dev; |
| 105 | }; |
| 106 | |
| 107 | #ifdef CONFIG_DEBUG_FS |
| 108 | void xhci_debugfs_init(struct xhci_hcd *xhci); |
| 109 | void xhci_debugfs_exit(struct xhci_hcd *xhci); |
| 110 | void __init xhci_debugfs_create_root(void); |
| 111 | void __exit xhci_debugfs_remove_root(void); |
| 112 | void xhci_debugfs_create_slot(struct xhci_hcd *xhci, int slot_id); |
| 113 | void xhci_debugfs_remove_slot(struct xhci_hcd *xhci, int slot_id); |
| 114 | void xhci_debugfs_create_endpoint(struct xhci_hcd *xhci, |
| 115 | struct xhci_virt_device *virt_dev, |
| 116 | int ep_index); |
| 117 | void xhci_debugfs_remove_endpoint(struct xhci_hcd *xhci, |
| 118 | struct xhci_virt_device *virt_dev, |
| 119 | int ep_index); |
| 120 | #else |
| 121 | static inline void xhci_debugfs_init(struct xhci_hcd *xhci) { } |
| 122 | static inline void xhci_debugfs_exit(struct xhci_hcd *xhci) { } |
| 123 | static inline void __init xhci_debugfs_create_root(void) { } |
| 124 | static inline void __exit xhci_debugfs_remove_root(void) { } |
| 125 | static inline void xhci_debugfs_create_slot(struct xhci_hcd *x, int s) { } |
| 126 | static inline void xhci_debugfs_remove_slot(struct xhci_hcd *x, int s) { } |
| 127 | static inline void |
| 128 | xhci_debugfs_create_endpoint(struct xhci_hcd *xhci, |
| 129 | struct xhci_virt_device *virt_dev, |
| 130 | int ep_index) { } |
| 131 | static inline void |
| 132 | xhci_debugfs_remove_endpoint(struct xhci_hcd *xhci, |
| 133 | struct xhci_virt_device *virt_dev, |
| 134 | int ep_index) { } |
| 135 | #endif /* CONFIG_DEBUG_FS */ |
| 136 | |
| 137 | #endif /* __LINUX_XHCI_DEBUGFS_H */ |