1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
/*
* Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include "debug.h"
#include <linux/moduleparam.h>
static unsigned int ep_addr_rxdbg_mask = 1;
module_param(ep_addr_rxdbg_mask, uint, 0644);
static unsigned int ep_addr_txdbg_mask = 1;
module_param(ep_addr_txdbg_mask, uint, 0644);
static int allow_dbg_print(u8 ep_num)
{
int dir, num;
/* allow bus wide events */
if (ep_num == 0xff)
return 1;
dir = ep_num & 0x1;
num = ep_num >> 1;
num = 1 << num;
if (dir && (num & ep_addr_txdbg_mask))
return 1;
if (!dir && (num & ep_addr_rxdbg_mask))
return 1;
return 0;
}
/**
* dwc3_dbg_print: prints the common part of the event
* @addr: endpoint address
* @name: event name
* @status: status
* @extra: extra information
* @dwc3: pointer to struct dwc3
*/
void dwc3_dbg_print(struct dwc3 *dwc, u8 ep_num, const char *name,
int status, const char *extra)
{
if (!allow_dbg_print(ep_num))
return;
if (name == NULL)
return;
ipc_log_string(dwc->dwc_ipc_log_ctxt, "%02X %-25.25s %4i ?\t%s",
ep_num, name, status, extra);
}
/**
* dwc3_dbg_done: prints a DONE event
* @addr: endpoint address
* @td: transfer descriptor
* @status: status
* @dwc3: pointer to struct dwc3
*/
void dwc3_dbg_done(struct dwc3 *dwc, u8 ep_num,
const u32 count, int status)
{
if (!allow_dbg_print(ep_num))
return;
ipc_log_string(dwc->dwc_ipc_log_ctxt, "%02X %-25.25s %4i ?\t%d",
ep_num, "DONE", status, count);
}
/**
* dwc3_dbg_event: prints a generic event
* @addr: endpoint address
* @name: event name
* @status: status
*/
void dwc3_dbg_event(struct dwc3 *dwc, u8 ep_num, const char *name, int status)
{
if (!allow_dbg_print(ep_num))
return;
if (name != NULL)
dwc3_dbg_print(dwc, ep_num, name, status, "");
}
/*
* dwc3_dbg_queue: prints a QUEUE event
* @addr: endpoint address
* @req: USB request
* @status: status
*/
void dwc3_dbg_queue(struct dwc3 *dwc, u8 ep_num,
const struct usb_request *req, int status)
{
if (!allow_dbg_print(ep_num))
return;
if (req != NULL) {
ipc_log_string(dwc->dwc_ipc_log_ctxt,
"%02X %-25.25s %4i ?\t%d %d", ep_num, "QUEUE", status,
!req->no_interrupt, req->length);
}
}
/**
* dwc3_dbg_setup: prints a SETUP event
* @addr: endpoint address
* @req: setup request
*/
void dwc3_dbg_setup(struct dwc3 *dwc, u8 ep_num,
const struct usb_ctrlrequest *req)
{
if (!allow_dbg_print(ep_num))
return;
if (req != NULL) {
ipc_log_string(dwc->dwc_ipc_log_ctxt,
"%02X %-25.25s ?\t%02X %02X %04X %04X %d",
ep_num, "SETUP", req->bRequestType,
req->bRequest, le16_to_cpu(req->wValue),
le16_to_cpu(req->wIndex), le16_to_cpu(req->wLength));
}
}
/**
* dwc3_dbg_print_reg: prints a reg value
* @name: reg name
* @reg: reg value to be printed
*/
void dwc3_dbg_print_reg(struct dwc3 *dwc, const char *name, int reg)
{
if (name == NULL)
return;
ipc_log_string(dwc->dwc_ipc_log_ctxt, "%s = 0x%08x", name, reg);
}
void dwc3_dbg_dma_unmap(struct dwc3 *dwc, u8 ep_num, struct dwc3_request *req)
{
if (ep_num < 2)
return;
ipc_log_string(dwc->dwc_dma_ipc_log_ctxt,
"%02X-%-3.3s %-25.25s 0x%pK 0x%lx %u 0x%lx %d", ep_num >> 1,
ep_num & 1 ? "IN":"OUT", "UNMAP", &req->request,
req->request.dma, req->request.length, req->trb_dma,
req->trb->ctrl & DWC3_TRB_CTRL_HWO);
}
void dwc3_dbg_dma_map(struct dwc3 *dwc, u8 ep_num, struct dwc3_request *req)
{
if (ep_num < 2)
return;
ipc_log_string(dwc->dwc_dma_ipc_log_ctxt,
"%02X-%-3.3s %-25.25s 0x%pK 0x%lx %u 0x%lx", ep_num >> 1,
ep_num & 1 ? "IN":"OUT", "MAP", &req->request, req->request.dma,
req->request.length, req->trb_dma);
}
void dwc3_dbg_dma_dequeue(struct dwc3 *dwc, u8 ep_num, struct dwc3_request *req)
{
if (ep_num < 2)
return;
ipc_log_string(dwc->dwc_dma_ipc_log_ctxt,
"%02X-%-3.3s %-25.25s 0x%pK 0x%lx 0x%lx", ep_num >> 1,
ep_num & 1 ? "IN":"OUT", "DEQUEUE", &req->request,
req->request.dma, req->trb_dma);
}
void dwc3_dbg_dma_queue(struct dwc3 *dwc, u8 ep_num, struct dwc3_request *req)
{
if (ep_num < 2)
return;
ipc_log_string(dwc->dwc_dma_ipc_log_ctxt,
"%02X-%-3.3s %-25.25s 0x%pK", ep_num >> 1,
ep_num & 1 ? "IN":"OUT", "QUEUE", &req->request);
}
|
