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@ -1,13 +1,16 @@
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/*
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* ADM5120 HCD (Host Controller Driver) for USB
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*
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* Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
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* Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org>
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*
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* This file was derived from: drivers/usb/host/ohci-q.c
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* (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
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* (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net>
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*
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* This file is licenced under the GPL.
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*
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*/
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#include <linux/irq.h>
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@ -571,51 +574,52 @@ static void td_submit_urb(struct admhcd *ahcd, struct urb *urb)
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static int td_done(struct admhcd *ahcd, struct urb *urb, struct td *td)
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{
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struct urb_priv *urb_priv = urb->hcpriv;
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u32 info = hc32_to_cpup(ahcd, &td->hwINFO);
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u32 info;
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u32 bl;
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u32 tdDBP;
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int type = usb_pipetype(urb->pipe);
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int cc;
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info = hc32_to_cpup(ahcd, &td->hwINFO);
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tdDBP = hc32_to_cpup(ahcd, &td->hwDBP);
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bl = TD_BL_GET(hc32_to_cpup(ahcd, &td->hwCBL));
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cc = TD_CC_GET(info);
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/* ISO ... drivers see per-TD length/status */
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if (type == PIPE_ISOCHRONOUS) {
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#if 0
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/* TODO */
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int dlen = 0;
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/* NOTE: assumes FC in tdINFO == 0, and that
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* only the first of 0..MAXPSW psws is used.
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*/
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cc = TD_CC_GET(td);
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#if 0
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if (tdINFO & TD_CC) /* hc didn't touch? */
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return;
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if (usb_pipeout (urb->pipe))
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dlen = urb->iso_frame_desc [td->index].length;
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#endif
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if (usb_pipeout(urb->pipe))
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dlen = urb->iso_frame_desc[td->index].length;
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else {
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/* short reads are always OK for ISO */
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if (cc == TD_DATAUNDERRUN)
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if (cc == TD_CC_DATAUNDERRUN)
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cc = TD_CC_NOERROR;
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dlen = tdPSW & 0x3ff;
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dlen = tdDBP - td->data_dma + bl;
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}
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urb->actual_length += dlen;
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urb->iso_frame_desc [td->index].actual_length = dlen;
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urb->iso_frame_desc [td->index].status = cc_to_error [cc];
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urb->iso_frame_desc[td->index].actual_length = dlen;
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urb->iso_frame_desc[td->index].status = cc_to_error[cc];
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if (cc != TD_CC_NOERROR)
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admhc_vdbg (ahcd,
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"urb %p iso td %p (%d) len %d cc %d\n",
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urb, td, 1 + td->index, dlen, cc);
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#endif
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/* BULK, INT, CONTROL ... drivers see aggregate length/status,
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* except that "setup" bytes aren't counted and "short" transfers
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* might not be reported as errors.
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*/
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} else {
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u32 bl = TD_BL_GET(hc32_to_cpup(ahcd, &td->hwCBL));
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u32 tdDBP = hc32_to_cpup(ahcd, &td->hwDBP);
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/* update packet status if needed (short is normally ok) */
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if (cc == TD_CC_DATAUNDERRUN
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&& !(urb->transfer_flags & URB_SHORT_NOT_OK))
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Gabor Juhos
17 years ago