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path: root/drivers/usb/usb-uhci-debug.h
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Diffstat (limited to 'drivers/usb/usb-uhci-debug.h')
-rw-r--r--drivers/usb/usb-uhci-debug.h195
1 files changed, 195 insertions, 0 deletions
diff --git a/drivers/usb/usb-uhci-debug.h b/drivers/usb/usb-uhci-debug.h
new file mode 100644
index 000000000..73d16937a
--- /dev/null
+++ b/drivers/usb/usb-uhci-debug.h
@@ -0,0 +1,195 @@
+#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
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 15:41:54 +0000