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
191
192
193
194
195
|
#ifdef DEBUG
static void uhci_show_qh (puhci_desc_t qh)
{
if (qh->type != QH_TYPE) {
dbg("qh has not QH_TYPE");
return;
}
dbg("uhci_show_qh %p (%08lX):", qh, virt_to_bus (qh));
if (qh->hw.qh.head & UHCI_PTR_TERM)
dbg("Head Terminate");
else {
if (qh->hw.qh.head & UHCI_PTR_QH)
dbg("Head points to QH");
else
dbg("Head points to TD");
dbg("head: %08X", qh->hw.qh.head & ~UHCI_PTR_BITS);
}
if (qh->hw.qh.element & UHCI_PTR_TERM)
dbg("Element Terminate");
else {
if (qh->hw.qh.element & UHCI_PTR_QH)
dbg("Element points to QH");
else
dbg("Element points to TD");
dbg("element: %08X", qh->hw.qh.element & ~UHCI_PTR_BITS);
}
}
#endif
static void uhci_show_td (puhci_desc_t td)
{
char *spid;
warn("uhci_show_td %p (%08lX) ", td, virt_to_bus (td));
switch (td->hw.td.info & 0xff) {
case USB_PID_SETUP:
spid = "SETUP";
break;
case USB_PID_OUT:
spid = " OUT ";
break;
case USB_PID_IN:
spid = " IN ";
break;
default:
spid = " ? ";
break;
}
warn("MaxLen=%02x DT%d EndPt=%x Dev=%x, PID=%x(%s) (buf=%08x)",
td->hw.td.info >> 21,
((td->hw.td.info >> 19) & 1),
(td->hw.td.info >> 15) & 15,
(td->hw.td.info >> 8) & 127,
(td->hw.td.info & 0xff),
spid,
td->hw.td.buffer);
warn("Len=%02x e%d %s%s%s%s%s%s%s%s%s%s",
td->hw.td.status & 0x7ff,
((td->hw.td.status >> 27) & 3),
(td->hw.td.status & TD_CTRL_SPD) ? "SPD " : "",
(td->hw.td.status & TD_CTRL_LS) ? "LS " : "",
(td->hw.td.status & TD_CTRL_IOC) ? "IOC " : "",
(td->hw.td.status & TD_CTRL_ACTIVE) ? "Active " : "",
(td->hw.td.status & TD_CTRL_STALLED) ? "Stalled " : "",
(td->hw.td.status & TD_CTRL_DBUFERR) ? "DataBufErr " : "",
(td->hw.td.status & TD_CTRL_BABBLE) ? "Babble " : "",
(td->hw.td.status & TD_CTRL_NAK) ? "NAK " : "",
(td->hw.td.status & TD_CTRL_CRCTIMEO) ? "CRC/Timeo " : "",
(td->hw.td.status & TD_CTRL_BITSTUFF) ? "BitStuff " : ""
);
#if 1
if (td->hw.td.link & UHCI_PTR_TERM)
warn("Link Terminate");
else {
if (td->hw.td.link & UHCI_PTR_QH)
warn("%s, link points to QH @ %08x",
(td->hw.td.link & UHCI_PTR_DEPTH ? "Depth first" : " Breadth first"),
td->hw.td.link & ~UHCI_PTR_BITS);
else
warn("%s, link points to TD @ %08x",
(td->hw.td.link & UHCI_PTR_DEPTH ? "Depth first" : " Breadth first"),
td->hw.td.link & ~UHCI_PTR_BITS);
}
#endif
}
#ifdef DEBUG
static void uhci_show_td_queue (puhci_desc_t td)
{
dbg("uhci_show_td_queue %p (%08lX):", td, virt_to_bus (td));
while (1) {
uhci_show_td (td);
if (td->hw.td.link & UHCI_PTR_TERM)
break;
//if(!(td->hw.td.link&UHCI_PTR_DEPTH))
// break;
if (td != bus_to_virt (td->hw.td.link & ~UHCI_PTR_BITS))
td = bus_to_virt (td->hw.td.link & ~UHCI_PTR_BITS);
else {
dbg("td points to itself!");
break;
}
// schedule();
}
}
static void uhci_show_queue (puhci_desc_t qh)
{
dbg("uhci_show_queue %p:", qh);
while (1) {
uhci_show_qh (qh);
if (qh->hw.qh.element & UHCI_PTR_QH)
dbg("Warning: qh->element points to qh!");
else if (!(qh->hw.qh.element & UHCI_PTR_TERM))
uhci_show_td_queue (bus_to_virt (qh->hw.qh.element & ~UHCI_PTR_BITS));
if (qh->hw.qh.head & UHCI_PTR_TERM)
break;
if (qh != bus_to_virt (qh->hw.qh.head & ~UHCI_PTR_BITS))
qh = bus_to_virt (qh->hw.qh.head & ~UHCI_PTR_BITS);
else {
dbg("qh points to itself!");
break;
}
}
}
static void uhci_show_sc (int port, unsigned short status)
{
dbg(" stat%d = %04x %s%s%s%s%s%s%s%s",
port,
status,
(status & USBPORTSC_SUSP) ? "PortSuspend " : "",
(status & USBPORTSC_PR) ? "PortReset " : "",
(status & USBPORTSC_LSDA) ? "LowSpeed " : "",
(status & USBPORTSC_RD) ? "ResumeDetect " : "",
(status & USBPORTSC_PEC) ? "EnableChange " : "",
(status & USBPORTSC_PE) ? "PortEnabled " : "",
(status & USBPORTSC_CSC) ? "ConnectChange " : "",
(status & USBPORTSC_CCS) ? "PortConnected " : "");
}
void uhci_show_status (puhci_t s)
{
unsigned int io_addr = s->io_addr;
unsigned short usbcmd, usbstat, usbint, usbfrnum;
unsigned int flbaseadd;
unsigned char sof;
unsigned short portsc1, portsc2;
usbcmd = inw (io_addr + 0);
usbstat = inw (io_addr + 2);
usbint = inw (io_addr + 4);
usbfrnum = inw (io_addr + 6);
flbaseadd = inl (io_addr + 8);
sof = inb (io_addr + 12);
portsc1 = inw (io_addr + 16);
portsc2 = inw (io_addr + 18);
dbg(" usbcmd = %04x %s%s%s%s%s%s%s%s",
usbcmd,
(usbcmd & USBCMD_MAXP) ? "Maxp64 " : "Maxp32 ",
(usbcmd & USBCMD_CF) ? "CF " : "",
(usbcmd & USBCMD_SWDBG) ? "SWDBG " : "",
(usbcmd & USBCMD_FGR) ? "FGR " : "",
(usbcmd & USBCMD_EGSM) ? "EGSM " : "",
(usbcmd & USBCMD_GRESET) ? "GRESET " : "",
(usbcmd & USBCMD_HCRESET) ? "HCRESET " : "",
(usbcmd & USBCMD_RS) ? "RS " : "");
dbg(" usbstat = %04x %s%s%s%s%s%s",
usbstat,
(usbstat & USBSTS_HCH) ? "HCHalted " : "",
(usbstat & USBSTS_HCPE) ? "HostControllerProcessError " : "",
(usbstat & USBSTS_HSE) ? "HostSystemError " : "",
(usbstat & USBSTS_RD) ? "ResumeDetect " : "",
(usbstat & USBSTS_ERROR) ? "USBError " : "",
(usbstat & USBSTS_USBINT) ? "USBINT " : "");
dbg(" usbint = %04x", usbint);
dbg(" usbfrnum = (%d)%03x", (usbfrnum >> 10) & 1,
0xfff & (4 * (unsigned int) usbfrnum));
dbg(" flbaseadd = %08x", flbaseadd);
dbg(" sof = %02x", sof);
uhci_show_sc (1, portsc1);
uhci_show_sc (2, portsc2);
}
#endif
|
