MFp4 //depot/projects/usb/ @156521

U3G regression issue. Patch to support multiple modem instances per logical
 USB interface.

Submitted by:	Hans Petter Selasky
This commit is contained in:
thompsa 2009-01-26 17:47:32 +00:00
parent c03ada1388
commit 2c5a7eae69

View File

@ -93,9 +93,9 @@ enum {
struct u3g_softc { struct u3g_softc {
struct usb2_com_super_softc sc_super_ucom; struct usb2_com_super_softc sc_super_ucom;
struct usb2_com_softc sc_ucom; struct usb2_com_softc sc_ucom[U3G_MAXPORTS];
struct usb2_xfer *sc_xfer[U3G_N_TRANSFER]; struct usb2_xfer *sc_xfer[U3G_MAXPORTS][U3G_N_TRANSFER];
struct usb2_device *sc_udev; struct usb2_device *sc_udev;
uint8_t sc_iface_no; /* interface number */ uint8_t sc_iface_no; /* interface number */
@ -382,8 +382,11 @@ u3g_probe(device_t self)
static int static int
u3g_attach(device_t dev) u3g_attach(device_t dev)
{ {
struct usb2_config u3g_config_tmp[U3G_N_TRANSFER];
struct usb2_attach_arg *uaa = device_get_ivars(dev); struct usb2_attach_arg *uaa = device_get_ivars(dev);
struct u3g_softc *sc = device_get_softc(dev); struct u3g_softc *sc = device_get_softc(dev);
uint8_t n;
uint8_t m;
int error; int error;
DPRINTF("sc=%p\n", sc); DPRINTF("sc=%p\n", sc);
@ -391,6 +394,10 @@ u3g_attach(device_t dev)
if (sc == NULL) { if (sc == NULL) {
return (ENOMEM); return (ENOMEM);
} }
/* copy in USB config */
for (n = 0; n != U3G_N_TRANSFER; n++)
u3g_config_tmp[n] = u3g_config[n];
device_set_usb2_desc(dev); device_set_usb2_desc(dev);
sc->sc_udev = uaa->device; sc->sc_udev = uaa->device;
@ -398,23 +405,41 @@ u3g_attach(device_t dev)
sc->sc_iface_index = uaa->info.bIfaceIndex; sc->sc_iface_index = uaa->info.bIfaceIndex;
sc->sc_speed = u3g_speeds[U3G_GET_SPEED(uaa)]; sc->sc_speed = u3g_speeds[U3G_GET_SPEED(uaa)];
error = usb2_transfer_setup(uaa->device, &sc->sc_iface_index, for (m = 0; m != U3G_MAXPORTS; m++) {
sc->sc_xfer, u3g_config, U3G_N_TRANSFER, sc, &Giant);
if (error) { /* update BULK endpoint index */
DPRINTF("could not allocate all pipes\n"); for (n = 0; n != U3G_N_TRANSFER; n++)
goto detach; u3g_config_tmp[n].ep_index = m;
/* try to allocate a set of BULK endpoints */
error = usb2_transfer_setup(uaa->device, &sc->sc_iface_index,
sc->sc_xfer[m], u3g_config_tmp, U3G_N_TRANSFER,
&sc->sc_ucom[m], &Giant);
if (error) {
if (m != 0)
break; /* end of endpoints */
DPRINTF("could not allocate all pipes\n");
goto detach;
}
/* set stall by default */
usb2_transfer_set_stall(sc->sc_xfer[m][U3G_BULK_WR]);
usb2_transfer_set_stall(sc->sc_xfer[m][U3G_BULK_RD]);
} }
/* set stall by default */
usb2_transfer_set_stall(sc->sc_xfer[U3G_BULK_WR]);
usb2_transfer_set_stall(sc->sc_xfer[U3G_BULK_RD]);
error = usb2_com_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, sc->sc_numports = m;
&u3g_callback, &Giant);
error = usb2_com_attach(&sc->sc_super_ucom, sc->sc_ucom,
sc->sc_numports, sc, &u3g_callback, &Giant);
if (error) { if (error) {
DPRINTF("usb2_com_attach failed\n"); DPRINTF("usb2_com_attach failed\n");
goto detach; goto detach;
} }
if (sc->sc_numports != 1) {
/* be verbose */
device_printf(dev, "Found %u ports.\n",
(unsigned int)sc->sc_numports);
}
return (0); return (0);
detach: detach:
@ -426,12 +451,15 @@ static int
u3g_detach(device_t dev) u3g_detach(device_t dev)
{ {
struct u3g_softc *sc = device_get_softc(dev); struct u3g_softc *sc = device_get_softc(dev);
uint8_t m;
DPRINTF("sc=%p\n", sc); DPRINTF("sc=%p\n", sc);
usb2_com_detach(&sc->sc_super_ucom, &sc->sc_ucom, 1); /* NOTE: It is not dangerous to detach more ports than attached! */
usb2_com_detach(&sc->sc_super_ucom, sc->sc_ucom, U3G_MAXPORTS);
usb2_transfer_unsetup(sc->sc_xfer, U3G_N_TRANSFER); for (m = 0; m != U3G_MAXPORTS; m++)
usb2_transfer_unsetup(sc->sc_xfer[m], U3G_N_TRANSFER);
return (0); return (0);
} }
@ -442,7 +470,7 @@ u3g_start_read(struct usb2_com_softc *ucom)
struct u3g_softc *sc = ucom->sc_parent; struct u3g_softc *sc = ucom->sc_parent;
/* start read endpoint */ /* start read endpoint */
usb2_transfer_start(sc->sc_xfer[U3G_BULK_RD]); usb2_transfer_start(sc->sc_xfer[ucom->sc_local_unit][U3G_BULK_RD]);
return; return;
} }
@ -452,7 +480,7 @@ u3g_stop_read(struct usb2_com_softc *ucom)
struct u3g_softc *sc = ucom->sc_parent; struct u3g_softc *sc = ucom->sc_parent;
/* stop read endpoint */ /* stop read endpoint */
usb2_transfer_stop(sc->sc_xfer[U3G_BULK_RD]); usb2_transfer_stop(sc->sc_xfer[ucom->sc_local_unit][U3G_BULK_RD]);
return; return;
} }
@ -461,7 +489,7 @@ u3g_start_write(struct usb2_com_softc *ucom)
{ {
struct u3g_softc *sc = ucom->sc_parent; struct u3g_softc *sc = ucom->sc_parent;
usb2_transfer_start(sc->sc_xfer[U3G_BULK_WR]); usb2_transfer_start(sc->sc_xfer[ucom->sc_local_unit][U3G_BULK_WR]);
return; return;
} }
@ -470,21 +498,21 @@ u3g_stop_write(struct usb2_com_softc *ucom)
{ {
struct u3g_softc *sc = ucom->sc_parent; struct u3g_softc *sc = ucom->sc_parent;
usb2_transfer_stop(sc->sc_xfer[U3G_BULK_WR]); usb2_transfer_stop(sc->sc_xfer[ucom->sc_local_unit][U3G_BULK_WR]);
return; return;
} }
static void static void
u3g_write_callback(struct usb2_xfer *xfer) u3g_write_callback(struct usb2_xfer *xfer)
{ {
struct u3g_softc *sc = xfer->priv_sc; struct usb2_com_softc *ucom = xfer->priv_sc;
uint32_t actlen; uint32_t actlen;
switch (USB_GET_STATE(xfer)) { switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED: case USB_ST_TRANSFERRED:
case USB_ST_SETUP: case USB_ST_SETUP:
tr_setup: tr_setup:
if (usb2_com_get_data(&sc->sc_ucom, xfer->frbuffers, 0, if (usb2_com_get_data(ucom, xfer->frbuffers, 0,
U3G_BSIZE, &actlen)) { U3G_BSIZE, &actlen)) {
xfer->frlengths[0] = actlen; xfer->frlengths[0] = actlen;
usb2_start_hardware(xfer); usb2_start_hardware(xfer);
@ -505,11 +533,11 @@ tr_setup:
static void static void
u3g_read_callback(struct usb2_xfer *xfer) u3g_read_callback(struct usb2_xfer *xfer)
{ {
struct u3g_softc *sc = xfer->priv_sc; struct usb2_com_softc *ucom = xfer->priv_sc;
switch (USB_GET_STATE(xfer)) { switch (USB_GET_STATE(xfer)) {
case USB_ST_TRANSFERRED: case USB_ST_TRANSFERRED:
usb2_com_put_data(&sc->sc_ucom, xfer->frbuffers, 0, xfer->actlen); usb2_com_put_data(ucom, xfer->frbuffers, 0, xfer->actlen);
case USB_ST_SETUP: case USB_ST_SETUP:
tr_setup: tr_setup: