File: /usr/src/linux/drivers/usb/usb-uhci-debug.h
1 #ifdef DEBUG
2 static void __attribute__((__unused__)) uhci_show_qh (puhci_desc_t qh)
3 {
4 if (qh->type != QH_TYPE) {
5 dbg("qh has not QH_TYPE");
6 return;
7 }
8 dbg("QH @ %p/%08X:", qh, qh->dma_addr);
9
10 if (qh->hw.qh.head & UHCI_PTR_TERM)
11 dbg(" Head Terminate");
12 else
13 dbg(" Head: %s @ %08X",
14 (qh->hw.qh.head & UHCI_PTR_QH?"QH":"TD"),
15 qh->hw.qh.head & ~UHCI_PTR_BITS);
16
17 if (qh->hw.qh.element & UHCI_PTR_TERM)
18 dbg(" Element Terminate");
19 else
20 dbg(" Element: %s @ %08X",
21 (qh->hw.qh.element & UHCI_PTR_QH?"QH":"TD"),
22 qh->hw.qh.element & ~UHCI_PTR_BITS);
23 }
24 #endif
25
26 #if 0
27 static void uhci_show_td (puhci_desc_t td)
28 {
29 char *spid;
30
31 switch (td->hw.td.info & 0xff) {
32 case USB_PID_SETUP:
33 spid = "SETUP";
34 break;
35 case USB_PID_OUT:
36 spid = " OUT ";
37 break;
38 case USB_PID_IN:
39 spid = " IN ";
40 break;
41 default:
42 spid = " ? ";
43 break;
44 }
45
46 warn(" TD @ %p/%08X, MaxLen=%02x DT%d EP=%x Dev=%x PID=(%s) buf=%08x",
47 td, td->dma_addr,
48 td->hw.td.info >> 21,
49 ((td->hw.td.info >> 19) & 1),
50 (td->hw.td.info >> 15) & 15,
51 (td->hw.td.info >> 8) & 127,
52 spid,
53 td->hw.td.buffer);
54
55 warn(" Len=%02x e%d %s%s%s%s%s%s%s%s%s%s",
56 td->hw.td.status & 0x7ff,
57 ((td->hw.td.status >> 27) & 3),
58 (td->hw.td.status & TD_CTRL_SPD) ? "SPD " : "",
59 (td->hw.td.status & TD_CTRL_LS) ? "LS " : "",
60 (td->hw.td.status & TD_CTRL_IOC) ? "IOC " : "",
61 (td->hw.td.status & TD_CTRL_ACTIVE) ? "Active " : "",
62 (td->hw.td.status & TD_CTRL_STALLED) ? "Stalled " : "",
63 (td->hw.td.status & TD_CTRL_DBUFERR) ? "DataBufErr " : "",
64 (td->hw.td.status & TD_CTRL_BABBLE) ? "Babble " : "",
65 (td->hw.td.status & TD_CTRL_NAK) ? "NAK " : "",
66 (td->hw.td.status & TD_CTRL_CRCTIMEO) ? "CRC/Timeo " : "",
67 (td->hw.td.status & TD_CTRL_BITSTUFF) ? "BitStuff " : ""
68 );
69
70 if (td->hw.td.link & UHCI_PTR_TERM)
71 warn(" TD Link Terminate");
72 else
73 warn(" Link points to %s @ %08x, %s",
74 (td->hw.td.link & UHCI_PTR_QH?"QH":"TD"),
75 td->hw.td.link & ~UHCI_PTR_BITS,
76 (td->hw.td.link & UHCI_PTR_DEPTH ? "Depth first" : "Breadth first"));
77 }
78 #endif
79
80 #ifdef DEBUG
81 static void __attribute__((__unused__)) uhci_show_td_queue (puhci_desc_t td)
82 {
83 //dbg("uhci_show_td_queue %p (%08lX):", td, td->dma_addr);
84 #if 1
85 return;
86 #else
87 while (1) {
88 uhci_show_td (td);
89 if (td->hw.td.link & UHCI_PTR_TERM)
90 break;
91 if (td != bus_to_virt (td->hw.td.link & ~UHCI_PTR_BITS))
92 td = bus_to_virt (td->hw.td.link & ~UHCI_PTR_BITS);
93 else {
94 dbg("td points to itself!");
95 break;
96 }
97 }
98 #endif
99 }
100
101 static void __attribute__((__unused__)) uhci_show_queue (puhci_desc_t qh)
102 {
103 #if 0
104 uhci_desc_t *start_qh=qh;
105 #endif
106
107 dbg("uhci_show_queue %p:", qh);
108 #if 1
109 return;
110 #else
111 while (1) {
112 uhci_show_qh (qh);
113
114 if (!(qh->hw.qh.element & UHCI_PTR_TERM))
115 uhci_show_td_queue (bus_to_virt (qh->hw.qh.element & ~UHCI_PTR_BITS));
116
117 if (qh->hw.qh.head & UHCI_PTR_TERM)
118 break;
119
120 if (qh != bus_to_virt (qh->hw.qh.head & ~UHCI_PTR_BITS))
121 qh = bus_to_virt (qh->hw.qh.head & ~UHCI_PTR_BITS);
122 else {
123 dbg("qh points to itself!");
124 break;
125 }
126
127 if (qh==start_qh) { // avoid loop
128 dbg("Loop detect");
129 break;
130 }
131 }
132 #endif
133 }
134
135 static void __attribute__((__unused__)) uhci_show_sc (int port, unsigned short status)
136 {
137 dbg(" stat%d = %04x %s%s%s%s%s%s%s%s",
138 port,
139 status,
140 (status & USBPORTSC_SUSP) ? "PortSuspend " : "",
141 (status & USBPORTSC_PR) ? "PortReset " : "",
142 (status & USBPORTSC_LSDA) ? "LowSpeed " : "",
143 (status & USBPORTSC_RD) ? "ResumeDetect " : "",
144 (status & USBPORTSC_PEC) ? "EnableChange " : "",
145 (status & USBPORTSC_PE) ? "PortEnabled " : "",
146 (status & USBPORTSC_CSC) ? "ConnectChange " : "",
147 (status & USBPORTSC_CCS) ? "PortConnected " : "");
148 }
149
150 void uhci_show_status (puhci_t s)
151 {
152 unsigned int io_addr = s->io_addr;
153 unsigned short usbcmd, usbstat, usbint, usbfrnum;
154 unsigned int flbaseadd;
155 unsigned char sof;
156 unsigned short portsc1, portsc2;
157
158 usbcmd = inw (io_addr + 0);
159 usbstat = inw (io_addr + 2);
160 usbint = inw (io_addr + 4);
161 usbfrnum = inw (io_addr + 6);
162 flbaseadd = inl (io_addr + 8);
163 sof = inb (io_addr + 12);
164 portsc1 = inw (io_addr + 16);
165 portsc2 = inw (io_addr + 18);
166
167 dbg(" usbcmd = %04x %s%s%s%s%s%s%s%s",
168 usbcmd,
169 (usbcmd & USBCMD_MAXP) ? "Maxp64 " : "Maxp32 ",
170 (usbcmd & USBCMD_CF) ? "CF " : "",
171 (usbcmd & USBCMD_SWDBG) ? "SWDBG " : "",
172 (usbcmd & USBCMD_FGR) ? "FGR " : "",
173 (usbcmd & USBCMD_EGSM) ? "EGSM " : "",
174 (usbcmd & USBCMD_GRESET) ? "GRESET " : "",
175 (usbcmd & USBCMD_HCRESET) ? "HCRESET " : "",
176 (usbcmd & USBCMD_RS) ? "RS " : "");
177
178 dbg(" usbstat = %04x %s%s%s%s%s%s",
179 usbstat,
180 (usbstat & USBSTS_HCH) ? "HCHalted " : "",
181 (usbstat & USBSTS_HCPE) ? "HostControllerProcessError " : "",
182 (usbstat & USBSTS_HSE) ? "HostSystemError " : "",
183 (usbstat & USBSTS_RD) ? "ResumeDetect " : "",
184 (usbstat & USBSTS_ERROR) ? "USBError " : "",
185 (usbstat & USBSTS_USBINT) ? "USBINT " : "");
186
187 dbg(" usbint = %04x", usbint);
188 dbg(" usbfrnum = (%d)%03x", (usbfrnum >> 10) & 1,
189 0xfff & (4 * (unsigned int) usbfrnum));
190 dbg(" flbaseadd = %08x", flbaseadd);
191 dbg(" sof = %02x", sof);
192 uhci_show_sc (1, portsc1);
193 uhci_show_sc (2, portsc2);
194 }
195 #endif
196