3  * xhci-dbgcap.c - xHCI debug capability support
13 #include "xhci.h"
14 #include "xhci-trace.h"
15 #include "xhci-dbgcap.h"
412 	/* xhci 7.6.9, all three contexts; info, ep-out and ep-in. Each 64 bytes*/  in dbc_alloc_ctx()
917 static void xhci_do_dbc_exit(struct xhci_hcd *xhci)  in xhci_do_dbc_exit()  argument
921 	spin_lock_irqsave(&xhci->lock, flags);  in xhci_do_dbc_exit()
922 	kfree(xhci->dbc);  in xhci_do_dbc_exit()
923 	xhci->dbc = NULL;  in xhci_do_dbc_exit()
924 	spin_unlock_irqrestore(&xhci->lock, flags);  in xhci_do_dbc_exit()
927 static int xhci_do_dbc_init(struct xhci_hcd *xhci)  in xhci_do_dbc_init()  argument
935 	base = &xhci->cap_regs->hc_capbase;  in xhci_do_dbc_init()
946 	/* We will avoid using DbC in xhci driver if it's in use. */  in xhci_do_dbc_init()
953 	spin_lock_irqsave(&xhci->lock, flags);  in xhci_do_dbc_init()
954 	if (xhci->dbc) {  in xhci_do_dbc_init()
955 		spin_unlock_irqrestore(&xhci->lock, flags);  in xhci_do_dbc_init()
959 	xhci->dbc = dbc;  in xhci_do_dbc_init()
960 	spin_unlock_irqrestore(&xhci->lock, flags);  in xhci_do_dbc_init()
962 	dbc->xhci = xhci;  in xhci_do_dbc_init()
963 	dbc->dev = xhci_to_hcd(xhci)->self.sysdev;  in xhci_do_dbc_init()
976 	struct xhci_hcd		*xhci;  in dbc_show()  local
978 	xhci = hcd_to_xhci(dev_get_drvdata(dev));  in dbc_show()
979 	dbc = xhci->dbc;  in dbc_show()
1011 	struct xhci_hcd		*xhci;  in dbc_store()  local
1014 	xhci = hcd_to_xhci(dev_get_drvdata(dev));  in dbc_store()
1015 	dbc = xhci->dbc;  in dbc_store()
1029 int xhci_dbc_init(struct xhci_hcd *xhci)  in xhci_dbc_init()  argument
1032 	struct device		*dev = xhci_to_hcd(xhci)->self.controller;  in xhci_dbc_init()
1034 	ret = xhci_do_dbc_init(xhci);  in xhci_dbc_init()
1038 	ret = xhci_dbc_tty_probe(xhci);  in xhci_dbc_init()
1049 	xhci_dbc_tty_remove(xhci->dbc);  in xhci_dbc_init()
1051 	xhci_do_dbc_exit(xhci);  in xhci_dbc_init()
1056 void xhci_dbc_exit(struct xhci_hcd *xhci)  in xhci_dbc_exit()  argument
1058 	struct device		*dev = xhci_to_hcd(xhci)->self.controller;  in xhci_dbc_exit()
1060 	if (!xhci->dbc)  in xhci_dbc_exit()
1064 	xhci_dbc_tty_remove(xhci->dbc);  in xhci_dbc_exit()
1065 	xhci_dbc_stop(xhci->dbc);  in xhci_dbc_exit()
1066 	xhci_do_dbc_exit(xhci);  in xhci_dbc_exit()
1070 int xhci_dbc_suspend(struct xhci_hcd *xhci)  in xhci_dbc_suspend()  argument
1072 	struct xhci_dbc		*dbc = xhci->dbc;  in xhci_dbc_suspend()
1085 int xhci_dbc_resume(struct xhci_hcd *xhci)  in xhci_dbc_resume()  argument
1088 	struct xhci_dbc		*dbc = xhci->dbc;  in xhci_dbc_resume()