/*
* Copyright (c) 2001-2004 by David Brownell
* Copyright (c) 2003 Michal Sojka, for high-speed iso transfers
- *
+ *
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
/* did clearing PSE did take effect yet?
* takes effect only at frame boundaries...
*/
- status = handshake (&ehci->regs->status, STS_PSS, 0, 9 * 125);
+ status = handshake(ehci, &ehci->regs->status, STS_PSS, 0, 9 * 125);
if (status != 0) {
ehci_to_hcd(ehci)->state = HC_STATE_HALT;
return status;
}
- cmd = readl (&ehci->regs->command) | CMD_PSE;
- writel (cmd, &ehci->regs->command);
+ cmd = ehci_readl(ehci, &ehci->regs->command) | CMD_PSE;
+ ehci_writel(ehci, cmd, &ehci->regs->command);
/* posted write ... PSS happens later */
ehci_to_hcd(ehci)->state = HC_STATE_RUNNING;
/* make sure ehci_work scans these */
- ehci->next_uframe = readl (&ehci->regs->frame_index)
- % (ehci->periodic_size << 3);
+ ehci->next_uframe = ehci_readl(ehci, &ehci->regs->frame_index)
+ % (ehci->periodic_size << 3);
return 0;
}
/* did setting PSE not take effect yet?
* takes effect only at frame boundaries...
*/
- status = handshake (&ehci->regs->status, STS_PSS, STS_PSS, 9 * 125);
+ status = handshake(ehci, &ehci->regs->status, STS_PSS, STS_PSS, 9 * 125);
if (status != 0) {
ehci_to_hcd(ehci)->state = HC_STATE_HALT;
return status;
}
- cmd = readl (&ehci->regs->command) & ~CMD_PSE;
- writel (cmd, &ehci->regs->command);
+ cmd = ehci_readl(ehci, &ehci->regs->command) & ~CMD_PSE;
+ ehci_writel(ehci, cmd, &ehci->regs->command);
/* posted write ... */
ehci->next_uframe = -1;
/*-------------------------------------------------------------------------*/
static int check_period (
- struct ehci_hcd *ehci,
+ struct ehci_hcd *ehci,
unsigned frame,
unsigned uframe,
unsigned period,
/*
* 80% periodic == 100 usec/uframe available
- * convert "usecs we need" to "max already claimed"
+ * convert "usecs we need" to "max already claimed"
*/
usecs = 100 - usecs;
}
static int check_intr_schedule (
- struct ehci_hcd *ehci,
+ struct ehci_hcd *ehci,
unsigned frame,
unsigned uframe,
const struct ehci_qh *qh,
__le32 *c_maskp
)
{
- int retval = -ENOSPC;
+ int retval = -ENOSPC;
u8 mask = 0;
if (qh->c_usecs && uframe >= 6) /* FSTN territory? */
/* Make sure this tt's buffer is also available for CSPLITs.
* We pessimize a bit; probably the typical full speed case
* doesn't need the second CSPLIT.
- *
+ *
* NOTE: both SPLIT and CSPLIT could be checked in just
* one smart pass...
*/
*/
static int qh_schedule (struct ehci_hcd *ehci, struct ehci_qh *qh)
{
- int status;
+ int status;
unsigned uframe;
__le32 c_mask;
unsigned frame; /* 0..(qh->period - 1), or NO_FRAME */
ehci_dbg (ehci, "reused qh %p schedule\n", qh);
/* stuff into the periodic schedule */
- status = qh_link_periodic (ehci, qh);
+ status = qh_link_periodic (ehci, qh);
done:
return status;
}
goto fail;
}
- now = readl (&ehci->regs->frame_index) % mod;
+ now = ehci_readl(ehci, &ehci->regs->frame_index) % mod;
/* when's the last uframe this urb could start? */
max = now + mod;
static unsigned
itd_complete (
struct ehci_hcd *ehci,
- struct ehci_itd *itd,
- struct pt_regs *regs
+ struct ehci_itd *itd
) {
struct urb *urb = itd->urb;
struct usb_iso_packet_descriptor *desc;
/* give urb back to the driver ... can be out-of-order */
dev = urb->dev;
- ehci_urb_done (ehci, urb, regs);
+ ehci_urb_done (ehci, urb);
urb = NULL;
/* defer stopping schedule; completion can submit */
status = -ESHUTDOWN;
else
status = iso_stream_schedule (ehci, urb, stream);
- if (likely (status == 0))
+ if (likely (status == 0))
itd_link_urb (ehci, urb, ehci->periodic_size << 3, stream);
spin_unlock_irqrestore (&ehci->lock, flags);
if (packet->buf1 != (buf & ~(u64)0x0fff))
packet->cross = 1;
- /* OUT uses multiple start-splits */
+ /* OUT uses multiple start-splits */
if (stream->bEndpointAddress & USB_DIR_IN)
continue;
length = (length + 187) / 188;
/*-------------------------------------------------------------------------*/
#define SITD_ERRS (SITD_STS_ERR | SITD_STS_DBE | SITD_STS_BABBLE \
- | SITD_STS_XACT | SITD_STS_MMF)
+ | SITD_STS_XACT | SITD_STS_MMF)
static unsigned
sitd_complete (
struct ehci_hcd *ehci,
- struct ehci_sitd *sitd,
- struct pt_regs *regs
+ struct ehci_sitd *sitd
) {
struct urb *urb = sitd->urb;
struct usb_iso_packet_descriptor *desc;
/* give urb back to the driver */
dev = urb->dev;
- ehci_urb_done (ehci, urb, regs);
+ ehci_urb_done (ehci, urb);
urb = NULL;
/* defer stopping schedule; completion can submit */
status = -ESHUTDOWN;
else
status = iso_stream_schedule (ehci, urb, stream);
- if (status == 0)
+ if (status == 0)
sitd_link_urb (ehci, urb, ehci->periodic_size << 3, stream);
spin_unlock_irqrestore (&ehci->lock, flags);
static inline unsigned
sitd_complete (
struct ehci_hcd *ehci,
- struct ehci_sitd *sitd,
- struct pt_regs *regs
+ struct ehci_sitd *sitd
) {
ehci_err (ehci, "sitd_complete %p?\n", sitd);
return 0;
/*-------------------------------------------------------------------------*/
static void
-scan_periodic (struct ehci_hcd *ehci, struct pt_regs *regs)
+scan_periodic (struct ehci_hcd *ehci)
{
unsigned frame, clock, now_uframe, mod;
unsigned modified;
*/
now_uframe = ehci->next_uframe;
if (HC_IS_RUNNING (ehci_to_hcd(ehci)->state))
- clock = readl (&ehci->regs->frame_index);
+ clock = ehci_readl(ehci, &ehci->regs->frame_index);
else
clock = now_uframe + mod - 1;
clock %= mod;
temp.qh = qh_get (q.qh);
type = Q_NEXT_TYPE (q.qh->hw_next);
q = q.qh->qh_next;
- modified = qh_completions (ehci, temp.qh, regs);
+ modified = qh_completions (ehci, temp.qh);
if (unlikely (list_empty (&temp.qh->qtd_list)))
intr_deschedule (ehci, temp.qh);
qh_put (temp.qh);
*hw_p = q.itd->hw_next;
type = Q_NEXT_TYPE (q.itd->hw_next);
wmb();
- modified = itd_complete (ehci, q.itd, regs);
+ modified = itd_complete (ehci, q.itd);
q = *q_p;
break;
case Q_TYPE_SITD:
*hw_p = q.sitd->hw_next;
type = Q_NEXT_TYPE (q.sitd->hw_next);
wmb();
- modified = sitd_complete (ehci, q.sitd, regs);
+ modified = sitd_complete (ehci, q.sitd);
q = *q_p;
break;
default:
if (!HC_IS_RUNNING (ehci_to_hcd(ehci)->state))
break;
ehci->next_uframe = now_uframe;
- now = readl (&ehci->regs->frame_index) % mod;
+ now = ehci_readl(ehci, &ehci->regs->frame_index) % mod;
if (now_uframe == now)
break;
now_uframe++;
now_uframe %= mod;
}
- }
+ }
}