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#ifdef DEBUG
static void __attribute__((__unused__)) uhci_show_qh (puhci_desc_t qh)
{
if (qh->type != QH_TYPE) {
dbg("qh has not QH_TYPE");
return;
}
dbg("QH @ %p/%08lX:", qh, virt_to_bus (qh));
if (qh->hw.qh.head & UHCI_PTR_TERM)
dbg(" Head Terminate");
else
dbg(" Head: %s @ %08X",
(qh->hw.qh.head & UHCI_PTR_QH?"QH":"TD"),
qh->hw.qh.head & ~UHCI_PTR_BITS);
if (qh->hw.qh.element & UHCI_PTR_TERM)
dbg(" Element Terminate");
else
dbg(" Element: %s @ %08X",
(qh->hw.qh.element & UHCI_PTR_QH?"QH":"TD"),
qh->hw.qh.element & ~UHCI_PTR_BITS);
}
#endif
static void uhci_show_td (puhci_desc_t td)
{
char *spid;
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(" TD @ %p/%08lX, MaxLen=%02x DT%d EP=%x Dev=%x PID=(%s) buf=%08x",
td, virt_to_bus (td),
td->hw.td.info >> 21,
((td->hw.td.info >> 19) & 1),
(td->hw.td.info >> 15) & 15,
(td->hw.td.info >> 8) & 127,
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 (td->hw.td.link & UHCI_PTR_TERM)
warn(" TD Link Terminate");
else
warn(" Link points to %s @ %08x, %s",
(td->hw.td.link & UHCI_PTR_QH?"QH":"TD"),
td->hw.td.link & ~UHCI_PTR_BITS,
(td->hw.td.link & UHCI_PTR_DEPTH ? "Depth first" : "Breadth first"));
}
#ifdef DEBUG
static void __attribute__((__unused__)) 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 != 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;
}
}
}
static void __attribute__((__unused__)) uhci_show_queue (puhci_desc_t qh)
{
uhci_desc_t *start_qh=qh;
dbg("uhci_show_queue %p:", qh);
while (1) {
uhci_show_qh (qh);
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;
}
if (qh==start_qh) { // avoid loop
dbg("Loop detect");
break;
}
}
}
static void __attribute__((__unused__)) 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
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