3  * OHCI HCD (Host Controller Driver) for USB.
23 #define ohci_dbg_sw(ohci, next, size, format, arg...) \  argument
30 		ohci_dbg(ohci,format, ## arg ); \
34 #define ohci_dbg_nosw(ohci, next, size, format, arg...) \  argument
43 	struct ohci_hcd *ohci,  in ohci_dump_intr_mask()  argument
49 	ohci_dbg_sw (ohci, next, size, "%s 0x%08x%s%s%s%s%s%s%s%s%s\n",  in ohci_dump_intr_mask()
65 	struct ohci_hcd *ohci,  in maybe_print_eds()  argument
72 		ohci_dbg_sw (ohci, next, size, "%s %08x\n", label, value);  in maybe_print_eds()
86 static const char *rh_state_string(struct ohci_hcd *ohci)  in rh_state_string()  argument
88 	switch (ohci->rh_state) {  in rh_state_string()
108 		"OHCI %d.%d, %s legacy support registers, rh state %s\n",  in ohci_dump_status()
242 	ohci_dbg (controller, "OHCI controller state\n");  in ohci_dump()
255 static void ohci_dump_td (const struct ohci_hcd *ohci, const char *label,  in ohci_dump_td()  argument
258 	u32	tmp = hc32_to_cpup (ohci, &td->hwINFO);  in ohci_dump_td()
260 	ohci_dbg (ohci, "%s td %p%s; urb %p index %d; hw next td %08x\n",  in ohci_dump_td()
264 		hc32_to_cpup (ohci, &td->hwNextTD));  in ohci_dump_td()
281 		ohci_dbg (ohci, "     info %08x CC=%x %s DI=%d %s %s\n", tmp,  in ohci_dump_td()
285 		cbp = hc32_to_cpup (ohci, &td->hwCBP);  in ohci_dump_td()
286 		be = hc32_to_cpup (ohci, &td->hwBE);  in ohci_dump_td()
287 		ohci_dbg (ohci, "     cbp %08x be %08x (len %d)\n", cbp, be,  in ohci_dump_td()
291 		ohci_dbg (ohci, "  info %08x CC=%x FC=%d DI=%d SF=%04x\n", tmp,  in ohci_dump_td()
296 		ohci_dbg (ohci, "  bp0 %08x be %08x\n",  in ohci_dump_td()
297 			hc32_to_cpup (ohci, &td->hwCBP) & ~0x0fff,  in ohci_dump_td()
298 			hc32_to_cpup (ohci, &td->hwBE));  in ohci_dump_td()
300 			u16	psw = ohci_hwPSW (ohci, td, i);  in ohci_dump_td()
302 			ohci_dbg (ohci, "    psw [%d] = %2x, CC=%x %s=%d\n", i,  in ohci_dump_td()
312 ohci_dump_ed (const struct ohci_hcd *ohci, const char *label,  in ohci_dump_ed()  argument
315 	u32	tmp = hc32_to_cpu (ohci, ed->hwINFO);  in ohci_dump_ed()
318 	ohci_dbg (ohci, "%s, ed %p state 0x%x type %s; next ed %08x\n",  in ohci_dump_ed()
321 		hc32_to_cpup (ohci, &ed->hwNextED));  in ohci_dump_ed()
327 	ohci_dbg (ohci,  in ohci_dump_ed()
337 	tmp = hc32_to_cpup (ohci, &ed->hwHeadP);  in ohci_dump_ed()
338 	ohci_dbg (ohci, "  tds: head %08x %s%s tail %08x%s\n",  in ohci_dump_ed()
342 		hc32_to_cpup (ohci, &ed->hwTailP),  in ohci_dump_ed()
353 			ohci_dump_td (ohci, "  ->", td);  in ohci_dump_ed()
393 	struct ohci_hcd *ohci;  member
400 show_list (struct ohci_hcd *ohci, char *buf, size_t count, struct ed *ed)  in show_list()  argument
413 		u32		info = hc32_to_cpu (ohci, ed->hwINFO);  in show_list()
414 		u32		headp = hc32_to_cpu (ohci, ed->hwHeadP);  in show_list()
437 			info = hc32_to_cpup (ohci, &td->hwINFO);  in show_list()
438 			cbp = hc32_to_cpup (ohci, &td->hwCBP);  in show_list()
439 			be = hc32_to_cpup (ohci, &td->hwBE);  in show_list()
467 	struct ohci_hcd		*ohci;  in fill_async_buffer()  local
471 	ohci = buf->ohci;  in fill_async_buffer()
475 	spin_lock_irqsave (&ohci->lock, flags);  in fill_async_buffer()
476 	temp = show_list(ohci, buf->page, size, ohci->ed_controltail);  in fill_async_buffer()
477 	temp += show_list(ohci, buf->page + temp, size - temp,  in fill_async_buffer()
478 			  ohci->ed_bulktail);  in fill_async_buffer()
479 	spin_unlock_irqrestore (&ohci->lock, flags);  in fill_async_buffer()
488 	struct ohci_hcd		*ohci;  in fill_periodic_buffer()  local
500 	ohci = buf->ohci;  in fill_periodic_buffer()
509 	spin_lock_irqsave (&ohci->lock, flags);  in fill_periodic_buffer()
511 		ed = ohci->periodic[i];  in fill_periodic_buffer()
515 		temp = scnprintf (next, size, "%2d [%3d]:", i, ohci->load [i]);  in fill_periodic_buffer()
531 				u32	info = hc32_to_cpu (ohci, ed->hwINFO);  in fill_periodic_buffer()
552 						cpu_to_hc32(ohci, ED_H)) ?  in fill_periodic_buffer()
574 	spin_unlock_irqrestore (&ohci->lock, flags);  in fill_periodic_buffer()
584 	struct ohci_hcd		*ohci;  in fill_registers_buffer()  local
591 	ohci = buf->ohci;  in fill_registers_buffer()
592 	hcd = ohci_to_hcd(ohci);  in fill_registers_buffer()
593 	regs = ohci->regs;  in fill_registers_buffer()
597 	spin_lock_irqsave (&ohci->lock, flags);  in fill_registers_buffer()
601 	ohci_dbg_nosw(ohci, &next, &size,  in fill_registers_buffer()
616 	ohci_dump_status(ohci, &next, &size);  in fill_registers_buffer()
619 	if (ohci->hcca)  in fill_registers_buffer()
620 		ohci_dbg_nosw(ohci, &next, &size,  in fill_registers_buffer()
621 			"hcca frame 0x%04x\n", ohci_frame_no(ohci));  in fill_registers_buffer()
624 	rdata = ohci_readl (ohci, &regs->fminterval);  in fill_registers_buffer()
632 	rdata = ohci_readl (ohci, &regs->fmremaining);  in fill_registers_buffer()
639 	rdata = ohci_readl (ohci, &regs->periodicstart);  in fill_registers_buffer()
645 	rdata = ohci_readl (ohci, &regs->lsthresh);  in fill_registers_buffer()
652 			HCD_POLL_RH(ohci_to_hcd(ohci)) ? "ON" : "off");  in fill_registers_buffer()
657 	ohci_dump_roothub (ohci, 1, &next, &size);  in fill_registers_buffer()
660 	spin_unlock_irqrestore (&ohci->lock, flags);  in fill_registers_buffer()
665 static struct debug_buffer *alloc_buffer(struct ohci_hcd *ohci,  in alloc_buffer()  argument
673 		buf->ohci = ohci;  in alloc_buffer()
762 static inline void create_debug_files (struct ohci_hcd *ohci)  in create_debug_files()  argument
764 	struct usb_bus *bus = &ohci_to_hcd(ohci)->self;  in create_debug_files()
768 	ohci->debug_dir = root;  in create_debug_files()
770 	debugfs_create_file("async", S_IRUGO, root, ohci, &debug_async_fops);  in create_debug_files()
771 	debugfs_create_file("periodic", S_IRUGO, root, ohci,  in create_debug_files()
773 	debugfs_create_file("registers", S_IRUGO, root, ohci,  in create_debug_files()
776 	ohci_dbg (ohci, "created debug files\n");  in create_debug_files()
779 static inline void remove_debug_files (struct ohci_hcd *ohci)  in remove_debug_files()  argument
781 	debugfs_remove_recursive(ohci->debug_dir);  in remove_debug_files()