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usb: Add endian support macros to interrupt transfers in the EHCI driver.

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Update the EHCI driver to support interrupt transfers on PowerPC.

Signed-off-by: Adrian Cox <adrian@humboldt.co.uk>
master
Adrian Cox 11 years ago committed by Marek Vasut
parent ede4d5e387
commit ea42777567
1 changed files with 31 additions and 25 deletions
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  1. 56
      drivers/usb/host/ehci-hcd.c

56
drivers/usb/host/ehci-hcd.c
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@ -998,8 +998,8 @@ int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
if (!ehcic[index].periodic_list)
return -ENOMEM;
for (i = 0; i < 1024; i++) {
ehcic[index].periodic_list[i] = (uint32_t)periodic
| QH_LINK_TYPE_QH;
ehcic[index].periodic_list[i] = cpu_to_hc32((uint32_t)periodic
| QH_LINK_TYPE_QH);
}
flush_dcache_range((uint32_t)ehcic[index].periodic_list,
@ -1089,7 +1089,7 @@ struct int_queue {
struct qTD *tds;
};
#define NEXT_QH(qh) (struct QH *)((qh)->qh_link & ~0x1f)
#define NEXT_QH(qh) (struct QH *)(hc32_to_cpu((qh)->qh_link) & ~0x1f)
static int
enable_periodic(struct ehci_ctrl *ctrl)
@ -1184,41 +1184,47 @@ create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize,
struct qTD *td = result->tds + i;
void **buf = &qh->buffer;
qh->qh_link = (uint32_t)(qh+1) | QH_LINK_TYPE_QH;
qh->qh_link = cpu_to_hc32((uint32_t)(qh+1) | QH_LINK_TYPE_QH);
if (i == queuesize - 1)
qh->qh_link = QH_LINK_TERMINATE;
qh->qh_link = cpu_to_hc32(QH_LINK_TERMINATE);
qh->qh_overlay.qt_next = (uint32_t)td;
qh->qh_overlay.qt_altnext = QT_NEXT_TERMINATE;
qh->qh_endpt1 = (0 << 28) | /* No NAK reload (ehci 4.9) */
qh->qh_overlay.qt_next = cpu_to_hc32((uint32_t)td);
qh->qh_overlay.qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE);
qh->qh_endpt1 =
cpu_to_hc32((0 << 28) | /* No NAK reload (ehci 4.9) */
(usb_maxpacket(dev, pipe) << 16) | /* MPS */
(1 << 14) |
QH_ENDPT1_EPS(ehci_encode_speed(dev->speed)) |
(usb_pipeendpoint(pipe) << 8) | /* Endpoint Number */
(usb_pipedevice(pipe) << 0);
qh->qh_endpt2 = (1 << 30) | /* 1 Tx per mframe */
(1 << 0); /* S-mask: microframe 0 */
(usb_pipedevice(pipe) << 0));
qh->qh_endpt2 = cpu_to_hc32((1 << 30) | /* 1 Tx per mframe */
(1 << 0)); /* S-mask: microframe 0 */
if (dev->speed == USB_SPEED_LOW ||
dev->speed == USB_SPEED_FULL) {
debug("TT: port: %d, hub address: %d\n",
dev->portnr, dev->parent->devnum);
qh->qh_endpt2 |= (dev->portnr << 23) |
qh->qh_endpt2 |= cpu_to_hc32((dev->portnr << 23) |
(dev->parent->devnum << 16) |
(0x1c << 8); /* C-mask: microframes 2-4 */
(0x1c << 8)); /* C-mask: microframes 2-4 */
}
td->qt_next = QT_NEXT_TERMINATE;
td->qt_altnext = QT_NEXT_TERMINATE;
td->qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
td->qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE);
debug("communication direction is '%s'\n",
usb_pipein(pipe) ? "in" : "out");
td->qt_token = (elementsize << 16) |
td->qt_token = cpu_to_hc32((elementsize << 16) |
((usb_pipein(pipe) ? 1 : 0) << 8) | /* IN/OUT token */
0x80; /* active */
td->qt_buffer[0] = (uint32_t)buffer + i * elementsize;
td->qt_buffer[1] = (td->qt_buffer[0] + 0x1000) & ~0xfff;
td->qt_buffer[2] = (td->qt_buffer[0] + 0x2000) & ~0xfff;
td->qt_buffer[3] = (td->qt_buffer[0] + 0x3000) & ~0xfff;
td->qt_buffer[4] = (td->qt_buffer[0] + 0x4000) & ~0xfff;
0x80); /* active */
td->qt_buffer[0] =
cpu_to_hc32((uint32_t)buffer + i * elementsize);
td->qt_buffer[1] =
cpu_to_hc32((td->qt_buffer[0] + 0x1000) & ~0xfff);
td->qt_buffer[2] =
cpu_to_hc32((td->qt_buffer[0] + 0x2000) & ~0xfff);
td->qt_buffer[3] =
cpu_to_hc32((td->qt_buffer[0] + 0x3000) & ~0xfff);
td->qt_buffer[4] =
cpu_to_hc32((td->qt_buffer[0] + 0x4000) & ~0xfff);
*buf = buffer + i * elementsize;
}
@ -1241,7 +1247,7 @@ create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize,
/* hook up to periodic list */
struct QH *list = &ctrl->periodic_queue;
result->last->qh_link = list->qh_link;
list->qh_link = (uint32_t)result->first | QH_LINK_TYPE_QH;
list->qh_link = cpu_to_hc32((uint32_t)result->first | QH_LINK_TYPE_QH);
flush_dcache_range((uint32_t)result->last,
ALIGN_END_ADDR(struct QH, result->last, 1));
@ -1280,7 +1286,7 @@ void *poll_int_queue(struct usb_device *dev, struct int_queue *queue)
/* still active */
invalidate_dcache_range((uint32_t)cur,
ALIGN_END_ADDR(struct QH, cur, 1));
if (cur->qh_overlay.qt_token & 0x80) {
if (cur->qh_overlay.qt_token & cpu_to_hc32(0x80)) {
debug("Exit poll_int_queue with no completed intr transfer. "
"token is %x\n", cur->qh_overlay.qt_token);
return NULL;
@ -1311,7 +1317,7 @@ destroy_int_queue(struct usb_device *dev, struct int_queue *queue)
struct QH *cur = &ctrl->periodic_queue;
timeout = get_timer(0) + 500; /* abort after 500ms */
while (!(cur->qh_link & QH_LINK_TERMINATE)) {
while (!(cur->qh_link & cpu_to_hc32(QH_LINK_TERMINATE))) {
debug("considering %p, with qh_link %x\n", cur, cur->qh_link);
if (NEXT_QH(cur) == queue->first) {
debug("found candidate. removing from chain\n");

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