static int
bridge_probe(struct usb_interface *iface, const struct usb_device_id *id)
{
struct usb_host_endpoint *endpoint = NULL;
struct usb_host_endpoint *bulk_in = NULL;
struct usb_host_endpoint *bulk_out = NULL;
struct usb_host_endpoint *int_in = NULL;
struct usb_host_endpoint *data_int_in = NULL;
struct usb_device *udev;
int i;
int status = 0;
int numends;
int ch_id;
char **bname = (char **)id->driver_info;
if (iface->num_altsetting != 1) {
pr_err("%s invalid num_altsetting %u\n",
__func__, iface->num_altsetting);
return -EINVAL;
}
udev = interface_to_usbdev(iface);
usb_get_dev(udev);
numends = iface->cur_altsetting->desc.bNumEndpoints;
for (i = 0; i < numends; i++) {
endpoint = iface->cur_altsetting->endpoint + i;
if (!endpoint) {
dev_err(&iface->dev, "%s: invalid endpoint %u\n",
__func__, i);
status = -EINVAL;
goto out;
}
if (usb_endpoint_is_bulk_in(&endpoint->desc))
bulk_in = endpoint;
else if (usb_endpoint_is_bulk_out(&endpoint->desc))
bulk_out = endpoint;
else if (usb_endpoint_is_int_in(&endpoint->desc)) {
if (int_in != 0)
data_int_in = endpoint;
else
int_in = endpoint;
}
}
if (((numends == 3)
&& ((!bulk_in && !data_int_in) || !bulk_out || !int_in))
|| ((numends == 1) && !bulk_in)) {
dev_err(&iface->dev, "%s: invalid endpoints\n", __func__);
status = -EINVAL;
goto out;
}
ch_id = get_bridge_dev_idx();
if (ch_id < 0) {
pr_err("%s all bridge channels claimed. Probe failed\n",
__func__);
return -ENODEV;
}
if (data_int_in) {
__dev[ch_id]->use_int_in_pipe = true;
__dev[ch_id]->period = data_int_in->desc.bInterval;
status = data_bridge_probe(iface, data_int_in, bulk_out,
bname[BRIDGE_DATA_IDX], ch_id);
} else {
status = data_bridge_probe(iface, bulk_in, bulk_out,
bname[BRIDGE_DATA_IDX], ch_id);
}
if (status < 0) {
dev_err(&iface->dev, "data_bridge_probe failed %d\n", status);
goto out;
}
status = ctrl_bridge_probe(iface,
int_in,
bname[BRIDGE_CTRL_IDX],
ch_id);
if (status < 0) {
dev_err(&iface->dev, "ctrl_bridge_probe failed %d\n",
status);
goto error;
}
return 0;
error:
platform_device_unregister(__dev[ch_id]->pdev);
free_rx_urbs(__dev[ch_id]);
usb_set_intfdata(iface, NULL);
out:
usb_put_dev(udev);
return status;
}
static int __devinit
bridge_probe(struct usb_interface *iface, const struct usb_device_id *id)
{
struct usb_host_endpoint *endpoint = NULL;
struct usb_host_endpoint *bulk_in = NULL;
struct usb_host_endpoint *bulk_out = NULL;
struct usb_host_endpoint *int_in = NULL;
struct usb_device *udev;
int i;
int status = 0;
int numends;
int ch_id;
char **bname = (char **)id->driver_info;
if (iface->num_altsetting != 1) {
err("%s invalid num_altsetting %u\n",
__func__, iface->num_altsetting);
return -EINVAL;
}
udev = interface_to_usbdev(iface);
usb_get_dev(udev);
numends = iface->cur_altsetting->desc.bNumEndpoints;
for (i = 0; i < numends; i++) {
endpoint = iface->cur_altsetting->endpoint + i;
if (!endpoint) {
dev_err(&iface->dev, "%s: invalid endpoint %u\n",
__func__, i);
status = -EINVAL;
goto out;
}
if (usb_endpoint_is_bulk_in(&endpoint->desc))
bulk_in = endpoint;
else if (usb_endpoint_is_bulk_out(&endpoint->desc))
bulk_out = endpoint;
else if (usb_endpoint_is_int_in(&endpoint->desc))
int_in = endpoint;
}
if (!bulk_in || !bulk_out || !int_in) {
dev_err(&iface->dev, "%s: invalid endpoints\n", __func__);
status = -EINVAL;
goto out;
}
ch_id = get_bridge_dev_idx();
if (ch_id < 0) {
err("%s all bridge channels claimed. Probe failed\n", __func__);
return -ENODEV;
}
status = data_bridge_probe(iface, bulk_in, bulk_out,
bname[BRIDGE_DATA_IDX], ch_id);
if (status < 0) {
dev_err(&iface->dev, "data_bridge_probe failed %d\n", status);
goto out;
}
status = ctrl_bridge_probe(iface, int_in, bname[BRIDGE_CTRL_IDX],
ch_id);
if (status < 0) {
dev_err(&iface->dev, "ctrl_bridge_probe failed %d\n", status);
goto error;
}
// ASUS_BSP+++ Wenli "tty device for AT command"
#ifndef DISABLE_ASUS_DUN
pr_info("%s: bridge probe success\n", __func__);
if (ch_id == DUN_DATA_ID) {
is_open_asus = false;
is_open_usb = false;
gdun_tty = NULL;
ctrl_bridge_init_asus();
s_is_bridge_init = true;
pr_info("%s: gdun connect\n", __func__);
}
#endif
// ASUS_BSP--- Wenli "tty device for AT command"
return 0;
error:
platform_device_unregister(__dev[ch_id]->pdev);
free_rx_urbs(__dev[ch_id]);
usb_set_intfdata(iface, NULL);
out:
usb_put_dev(udev);
return status;
}
static int __devinit
bridge_probe(struct usb_interface *iface, const struct usb_device_id *id)
{
struct usb_host_endpoint *endpoint = NULL;
struct usb_host_endpoint *bulk_in = NULL;
struct usb_host_endpoint *bulk_out = NULL;
struct usb_host_endpoint *int_in = NULL;
struct usb_device *udev;
int i;
int status = 0;
int numends;
int ch_id;
char **bname = (char **)id->driver_info;
unsigned int iface_num;
iface_num = iface->cur_altsetting->desc.bInterfaceNumber;
if (iface->num_altsetting != 1) {
err("%s invalid num_altsetting %u\n",
__func__, iface->num_altsetting);
return -EINVAL;
}
udev = interface_to_usbdev(iface);
usb_get_dev(udev);
printk(KERN_INFO "%s: iface_num:%d\n", __func__, iface_num);
if (!usb_diag_enable && iface_num == DUN_IFC_NUM && (board_mfg_mode() == 8 || board_mfg_mode() == 6 || board_mfg_mode() == 2)) {
printk(KERN_INFO "%s DUN channel is NOT enumed as bridge interface!!! MAY be switched to TTY interface!!!", __func__);
return -ENODEV;
}
numends = iface->cur_altsetting->desc.bNumEndpoints;
for (i = 0; i < numends; i++) {
endpoint = iface->cur_altsetting->endpoint + i;
if (!endpoint) {
dev_err(&iface->dev, "%s: invalid endpoint %u\n",
__func__, i);
status = -EINVAL;
goto out;
}
if (usb_endpoint_is_bulk_in(&endpoint->desc))
bulk_in = endpoint;
else if (usb_endpoint_is_bulk_out(&endpoint->desc))
bulk_out = endpoint;
else if (usb_endpoint_is_int_in(&endpoint->desc))
int_in = endpoint;
}
if (!bulk_in || !bulk_out || !int_in) {
dev_err(&iface->dev, "%s: invalid endpoints\n", __func__);
status = -EINVAL;
goto out;
}
ch_id = get_bridge_dev_idx();
if (ch_id < 0) {
err("%s all bridge channels claimed. Probe failed\n", __func__);
return -ENODEV;
}
status = data_bridge_probe(iface, bulk_in, bulk_out,
bname[BRIDGE_DATA_IDX], ch_id);
if (status < 0) {
dev_err(&iface->dev, "data_bridge_probe failed %d\n", status);
goto out;
}
status = ctrl_bridge_probe(iface, int_in, bname[BRIDGE_CTRL_IDX],
ch_id);
if (status < 0) {
dev_err(&iface->dev, "ctrl_bridge_probe failed %d\n", status);
goto error;
}
return 0;
error:
platform_device_unregister(__dev[ch_id]->pdev);
free_rx_urbs(__dev[ch_id]);
usb_set_intfdata(iface, NULL);
out:
usb_put_dev(udev);
return status;
}
