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1/**
2 * debug.h - DesignWare USB3 DRD Controller Debug Header
3 *
4 * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com
5 *
6 * Authors: Felipe Balbi <balbi@ti.com>,
7 * Sebastian Andrzej Siewior <bigeasy@linutronix.de>
8 *
9 * This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 of
11 * the License as published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
18
19#ifndef __DWC3_DEBUG_H
20#define __DWC3_DEBUG_H
21
22#include "core.h"
23
24/**
25 * dwc3_gadget_ep_cmd_string - returns endpoint command string
26 * @cmd: command code
27 */
28static inline const char *
29dwc3_gadget_ep_cmd_string(u8 cmd)
30{
31 switch (cmd) {
32 case DWC3_DEPCMD_DEPSTARTCFG:
33 return "Start New Configuration";
34 case DWC3_DEPCMD_ENDTRANSFER:
35 return "End Transfer";
36 case DWC3_DEPCMD_UPDATETRANSFER:
37 return "Update Transfer";
38 case DWC3_DEPCMD_STARTTRANSFER:
39 return "Start Transfer";
40 case DWC3_DEPCMD_CLEARSTALL:
41 return "Clear Stall";
42 case DWC3_DEPCMD_SETSTALL:
43 return "Set Stall";
44 case DWC3_DEPCMD_GETEPSTATE:
45 return "Get Endpoint State";
46 case DWC3_DEPCMD_SETTRANSFRESOURCE:
47 return "Set Endpoint Transfer Resource";
48 case DWC3_DEPCMD_SETEPCONFIG:
49 return "Set Endpoint Configuration";
50 default:
51 return "UNKNOWN command";
52 }
53}
54
55/**
56 * dwc3_gadget_generic_cmd_string - returns generic command string
57 * @cmd: command code
58 */
59static inline const char *
60dwc3_gadget_generic_cmd_string(u8 cmd)
61{
62 switch (cmd) {
63 case DWC3_DGCMD_SET_LMP:
64 return "Set LMP";
65 case DWC3_DGCMD_SET_PERIODIC_PAR:
66 return "Set Periodic Parameters";
67 case DWC3_DGCMD_XMIT_FUNCTION:
68 return "Transmit Function Wake Device Notification";
69 case DWC3_DGCMD_SET_SCRATCHPAD_ADDR_LO:
70 return "Set Scratchpad Buffer Array Address Lo";
71 case DWC3_DGCMD_SET_SCRATCHPAD_ADDR_HI:
72 return "Set Scratchpad Buffer Array Address Hi";
73 case DWC3_DGCMD_SELECTED_FIFO_FLUSH:
74 return "Selected FIFO Flush";
75 case DWC3_DGCMD_ALL_FIFO_FLUSH:
76 return "All FIFO Flush";
77 case DWC3_DGCMD_SET_ENDPOINT_NRDY:
78 return "Set Endpoint NRDY";
79 case DWC3_DGCMD_RUN_SOC_BUS_LOOPBACK:
80 return "Run SoC Bus Loopback Test";
81 default:
82 return "UNKNOWN";
83 }
84}
85
86/**
87 * dwc3_gadget_link_string - returns link name
88 * @link_state: link state code
89 */
90static inline const char *
91dwc3_gadget_link_string(enum dwc3_link_state link_state)
92{
93 switch (link_state) {
94 case DWC3_LINK_STATE_U0:
95 return "U0";
96 case DWC3_LINK_STATE_U1:
97 return "U1";
98 case DWC3_LINK_STATE_U2:
99 return "U2";
100 case DWC3_LINK_STATE_U3:
101 return "U3";
102 case DWC3_LINK_STATE_SS_DIS:
103 return "SS.Disabled";
104 case DWC3_LINK_STATE_RX_DET:
105 return "RX.Detect";
106 case DWC3_LINK_STATE_SS_INACT:
107 return "SS.Inactive";
108 case DWC3_LINK_STATE_POLL:
109 return "Polling";
110 case DWC3_LINK_STATE_RECOV:
111 return "Recovery";
112 case DWC3_LINK_STATE_HRESET:
113 return "Hot Reset";
114 case DWC3_LINK_STATE_CMPLY:
115 return "Compliance";
116 case DWC3_LINK_STATE_LPBK:
117 return "Loopback";
118 case DWC3_LINK_STATE_RESET:
119 return "Reset";
120 case DWC3_LINK_STATE_RESUME:
121 return "Resume";
122 default:
123 return "UNKNOWN link state\n";
124 }
125}
126
127/**
128 * dwc3_gadget_event_string - returns event name
129 * @event: the event code
130 */
131static inline const char *dwc3_gadget_event_string(u8 event)
132{
133 switch (event) {
134 case DWC3_DEVICE_EVENT_DISCONNECT:
135 return "Disconnect";
136 case DWC3_DEVICE_EVENT_RESET:
137 return "Reset";
138 case DWC3_DEVICE_EVENT_CONNECT_DONE:
139 return "Connection Done";
140 case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE:
141 return "Link Status Change";
142 case DWC3_DEVICE_EVENT_WAKEUP:
143 return "WakeUp";
144 case DWC3_DEVICE_EVENT_EOPF:
145 return "End-Of-Frame";
146 case DWC3_DEVICE_EVENT_SOF:
147 return "Start-Of-Frame";
148 case DWC3_DEVICE_EVENT_ERRATIC_ERROR:
149 return "Erratic Error";
150 case DWC3_DEVICE_EVENT_CMD_CMPL:
151 return "Command Complete";
152 case DWC3_DEVICE_EVENT_OVERFLOW:
153 return "Overflow";
154 }
155
156 return "UNKNOWN";
157}
158
159/**
160 * dwc3_ep_event_string - returns event name
161 * @event: then event code
162 */
163static inline const char *dwc3_ep_event_string(u8 event)
164{
165 switch (event) {
166 case DWC3_DEPEVT_XFERCOMPLETE:
167 return "Transfer Complete";
168 case DWC3_DEPEVT_XFERINPROGRESS:
169 return "Transfer In-Progress";
170 case DWC3_DEPEVT_XFERNOTREADY:
171 return "Transfer Not Ready";
172 case DWC3_DEPEVT_RXTXFIFOEVT:
173 return "FIFO";
174 case DWC3_DEPEVT_STREAMEVT:
175 return "Stream";
176 case DWC3_DEPEVT_EPCMDCMPLT:
177 return "Endpoint Command Complete";
178 }
179
180 return "UNKNOWN";
181}
182
183/**
184 * dwc3_gadget_event_type_string - return event name
185 * @event: the event code
186 */
187static inline const char *dwc3_gadget_event_type_string(u8 event)
188{
189 switch (event) {
190 case DWC3_DEVICE_EVENT_DISCONNECT:
191 return "Disconnect";
192 case DWC3_DEVICE_EVENT_RESET:
193 return "Reset";
194 case DWC3_DEVICE_EVENT_CONNECT_DONE:
195 return "Connect Done";
196 case DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE:
197 return "Link Status Change";
198 case DWC3_DEVICE_EVENT_WAKEUP:
199 return "Wake-Up";
200 case DWC3_DEVICE_EVENT_HIBER_REQ:
201 return "Hibernation";
202 case DWC3_DEVICE_EVENT_EOPF:
203 return "End of Periodic Frame";
204 case DWC3_DEVICE_EVENT_SOF:
205 return "Start of Frame";
206 case DWC3_DEVICE_EVENT_ERRATIC_ERROR:
207 return "Erratic Error";
208 case DWC3_DEVICE_EVENT_CMD_CMPL:
209 return "Command Complete";
210 case DWC3_DEVICE_EVENT_OVERFLOW:
211 return "Overflow";
212 default:
213 return "UNKNOWN";
214 }
215}
216
217void dwc3_trace(void (*trace)(struct va_format *), const char *fmt, ...);
218
219#ifdef CONFIG_DEBUG_FS
220extern int dwc3_debugfs_init(struct dwc3 *);
221extern void dwc3_debugfs_exit(struct dwc3 *);
222#else
223static inline int dwc3_debugfs_init(struct dwc3 *d)
224{ return 0; }
225static inline void dwc3_debugfs_exit(struct dwc3 *d)
226{ }
227#endif
228#endif /* __DWC3_DEBUG_H */
1/**
2 * debug.h - DesignWare USB3 DRD Controller Debug Header
3 *
4 * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com
5 *
6 * Authors: Felipe Balbi <balbi@ti.com>,
7 * Sebastian Andrzej Siewior <bigeasy@linutronix.de>
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions, and the following disclaimer,
14 * without modification.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. The names of the above-listed copyright holders may not be used
19 * to endorse or promote products derived from this software without
20 * specific prior written permission.
21 *
22 * ALTERNATIVELY, this software may be distributed under the terms of the
23 * GNU General Public License ("GPL") version 2, as published by the Free
24 * Software Foundation.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
27 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
28 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
30 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
31 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
32 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
33 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
34 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
35 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
36 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 */
38
39#include "core.h"
40
41#ifdef CONFIG_DEBUG_FS
42extern int dwc3_debugfs_init(struct dwc3 *);
43extern void dwc3_debugfs_exit(struct dwc3 *);
44#else
45static inline int dwc3_debugfs_init(struct dwc3 *d)
46{ return 0; }
47static inline void dwc3_debugfs_exit(struct dwc3 *d)
48{ }
49#endif
50