static int snd_us122l_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_device *device = interface_to_usbdev(intf);
struct snd_card *card;
int err;
if ((device->descriptor.idProduct == USB_ID_US144 ||
device->descriptor.idProduct == USB_ID_US144MKII)
&& device->speed == USB_SPEED_HIGH) {
snd_printk(KERN_ERR "disable ehci-hcd to run US-144 \n");
return -ENODEV;
}
snd_printdd(KERN_DEBUG"%p:%i\n",
intf, intf->cur_altsetting->desc.bInterfaceNumber);
if (intf->cur_altsetting->desc.bInterfaceNumber != 1)
return 0;
err = us122l_usb_probe(usb_get_intf(intf), id, &card);
if (err < 0) {
usb_put_intf(intf);
return err;
}
usb_set_intfdata(intf, card);
return 0;
}
void zd_usb_clear(struct zd_usb *usb)
{
usb_set_intfdata(usb->intf, NULL);
usb_put_intf(usb->intf);
ZD_MEMCLEAR(usb, sizeof(*usb));
/* FIXME: usb_interrupt, usb_tx, usb_rx? */
}
static
void i1480_usb_destroy(struct i1480_usb *i1480_usb)
{
usb_kill_urb(i1480_usb->neep_urb);
usb_free_urb(i1480_usb->neep_urb);
usb_set_intfdata(i1480_usb->usb_iface, NULL);
usb_put_intf(i1480_usb->usb_iface);
usb_put_dev(i1480_usb->usb_dev);
}
static void acm_port_destruct(struct tty_port *port)
{
struct acm *acm = container_of(port, struct acm, port);
dev_dbg(&acm->control->dev, "%s\n", __func__);
acm_release_minor(acm);
usb_put_intf(acm->control);
kfree(acm->country_codes);
kfree(acm);
}
static void cbaf_disconnect(struct usb_interface *iface)
{
struct cbaf *cbaf = usb_get_intfdata(iface);
struct device *dev = &iface->dev;
sysfs_remove_group(&dev->kobj, &cbaf_dev_attr_group);
usb_set_intfdata(iface, NULL);
usb_put_intf(iface);
kfree(cbaf->buffer);
/* paranoia: clean up crypto keys */
kzfree(cbaf);
}
static void qcnmea_tty_unregister(struct qcnmea *nmea)
{
int i,nr;
tty_unregister_device(qcnmea_tty_driver, nmea->minor);
usb_put_intf(nmea->intf);
qcnmea_tab[nmea->minor] = NULL;
usb_free_urb(nmea->write_urb);
for (i = 0; i < QCNMEA_NR; i++)
usb_free_urb(nmea->ru[i].urb);
kfree(nmea);
static void acm_tty_unregister(struct acm *acm)
{
int i;
tty_unregister_device(acm_tty_driver, acm->minor);
usb_put_intf(acm->control);
acm_table[acm->minor] = NULL;
usb_free_urb(acm->ctrlurb);
for (i = 0; i < ACM_NW; i++)
usb_free_urb(acm->wb[i].urb);
for (i = 0; i < acm->rx_buflimit; i++)
usb_free_urb(acm->read_urbs[i]);
kfree(acm->country_codes);
kfree(acm);
}
static void acm_tty_unregister(struct acm *acm)
{
int i,nr;
nr = acm->rx_buflimit;
tty_unregister_device(acm_tty_driver, acm->minor);
usb_put_intf(acm->control);
acm_table[acm->minor] = NULL;
usb_free_urb(acm->ctrlurb);
usb_free_urb(acm->writeurb);
for (i = 0; i < nr; i++)
usb_free_urb(acm->ru[i].urb);
kfree(acm->country_codes);
kfree(acm);
}
static
int i1480_usb_create(struct i1480_usb *i1480_usb, struct usb_interface *iface)
{
struct usb_device *usb_dev = interface_to_usbdev(iface);
int result = -ENOMEM;
i1480_usb->usb_dev = usb_get_dev(usb_dev); /* bind the USB device */
i1480_usb->usb_iface = usb_get_intf(iface);
usb_set_intfdata(iface, i1480_usb); /* Bind the driver to iface0 */
i1480_usb->neep_urb = usb_alloc_urb(0, GFP_KERNEL);
if (i1480_usb->neep_urb == NULL)
goto error;
return 0;
error:
usb_set_intfdata(iface, NULL);
usb_put_intf(iface);
usb_put_dev(usb_dev);
return result;
}
static int cbaf_probe(struct usb_interface *iface,
const struct usb_device_id *id)
{
struct cbaf *cbaf;
struct device *dev = &iface->dev;
int result = -ENOMEM;
cbaf = kzalloc(sizeof(*cbaf), GFP_KERNEL);
if (cbaf == NULL)
goto error_kzalloc;
cbaf->buffer = kmalloc(512, GFP_KERNEL);
if (cbaf->buffer == NULL)
goto error_kmalloc_buffer;
cbaf->buffer_size = 512;
cbaf->usb_dev = usb_get_dev(interface_to_usbdev(iface));
cbaf->usb_iface = usb_get_intf(iface);
result = cbaf_check(cbaf);
if (result < 0) {
dev_err(dev, "This device is not WUSB-CBAF compliant and is not supported yet.\n");
goto error_check;
}
result = sysfs_create_group(&dev->kobj, &cbaf_dev_attr_group);
if (result < 0) {
dev_err(dev, "Can't register sysfs attr group: %d\n", result);
goto error_create_group;
}
usb_set_intfdata(iface, cbaf);
return 0;
error_create_group:
error_check:
usb_put_intf(iface);
usb_put_dev(cbaf->usb_dev);
kfree(cbaf->buffer);
error_kmalloc_buffer:
kfree(cbaf);
error_kzalloc:
return result;
}
/*
Line6 device disconnected.
*/
static void line6_disconnect(struct usb_interface *interface)
{
struct usb_line6 *line6;
struct usb_device *usbdev;
int interface_number;
if (interface == NULL)
return;
usbdev = interface_to_usbdev(interface);
if (usbdev == NULL)
return;
/* removal of additional special files should go here */
sysfs_remove_link(&interface->dev.kobj, "usb_device");
interface_number = interface->cur_altsetting->desc.bInterfaceNumber;
line6 = usb_get_intfdata(interface);
if (line6 != NULL) {
if (line6->urb_listen != NULL)
line6_stop_listen(line6);
if (usbdev != line6->usbdev)
dev_err(line6->ifcdev,
"driver bug: inconsistent usb device\n");
switch (line6->usbdev->descriptor.idProduct) {
case LINE6_DEVID_BASSPODXT:
case LINE6_DEVID_BASSPODXTLIVE:
case LINE6_DEVID_BASSPODXTPRO:
case LINE6_DEVID_POCKETPOD:
case LINE6_DEVID_PODX3:
case LINE6_DEVID_PODX3LIVE:
case LINE6_DEVID_PODXT:
case LINE6_DEVID_PODXTPRO:
line6_pod_disconnect(interface);
break;
case LINE6_DEVID_PODHD300:
case LINE6_DEVID_PODHD500:
line6_podhd_disconnect(interface);
break;
case LINE6_DEVID_PODXTLIVE:
switch (interface_number) {
case PODXTLIVE_INTERFACE_POD:
line6_pod_disconnect(interface);
break;
case PODXTLIVE_INTERFACE_VARIAX:
line6_variax_disconnect(interface);
break;
}
break;
case LINE6_DEVID_VARIAX:
line6_variax_disconnect(interface);
break;
case LINE6_DEVID_PODSTUDIO_GX:
case LINE6_DEVID_PODSTUDIO_UX1:
case LINE6_DEVID_PODSTUDIO_UX2:
case LINE6_DEVID_TONEPORT_GX:
case LINE6_DEVID_TONEPORT_UX1:
case LINE6_DEVID_TONEPORT_UX2:
case LINE6_DEVID_GUITARPORT:
line6_toneport_disconnect(interface);
break;
default:
MISSING_CASE;
}
dev_info(&interface->dev, "Line6 %s now disconnected\n",
line6->properties->name);
}
line6_destruct(interface);
/* decrement reference counters: */
usb_put_intf(interface);
usb_put_dev(usbdev);
}
/*
Line6 device disconnected.
*/
static void line6_disconnect(struct usb_interface *interface)
{
struct usb_line6 *line6;
struct usb_device *usbdev;
int interface_number, i;
if (interface == NULL)
return;
usbdev = interface_to_usbdev(interface);
if (usbdev == NULL)
return;
sysfs_remove_link(&interface->dev.kobj, "usb_device");
interface_number = interface->cur_altsetting->desc.bInterfaceNumber;
line6 = usb_get_intfdata(interface);
if (line6 != NULL) {
if (line6->urb_listen != NULL)
usb_kill_urb(line6->urb_listen);
if (usbdev != line6->usbdev)
dev_err(line6->ifcdev,
"driver bug: inconsistent usb device\n");
switch (line6->usbdev->descriptor.idProduct) {
case LINE6_DEVID_BASSPODXT:
case LINE6_DEVID_BASSPODXTLIVE:
case LINE6_DEVID_BASSPODXTPRO:
case LINE6_DEVID_POCKETPOD:
case LINE6_DEVID_PODX3:
case LINE6_DEVID_PODX3LIVE:
case LINE6_DEVID_PODXT:
case LINE6_DEVID_PODXTPRO:
pod_disconnect(interface);
break;
case LINE6_DEVID_PODXTLIVE:
switch (interface_number) {
case PODXTLIVE_INTERFACE_POD:
pod_disconnect(interface);
break;
case PODXTLIVE_INTERFACE_VARIAX:
variax_disconnect(interface);
break;
}
break;
case LINE6_DEVID_VARIAX:
variax_disconnect(interface);
break;
case LINE6_DEVID_TONEPORT_GX:
case LINE6_DEVID_TONEPORT_UX1:
case LINE6_DEVID_TONEPORT_UX2:
case LINE6_DEVID_GUITARPORT:
toneport_disconnect(interface);
break;
default:
MISSING_CASE;
}
dev_info(&interface->dev, "Line6 %s now disconnected\n", line6->properties->name);
for (i = LINE6_MAX_DEVICES; i--;)
if (line6_devices[i] == line6)
line6_devices[i] = NULL;
}
line6_destruct(interface);
/* decrement reference counters: */
usb_put_intf(interface);
usb_put_dev(usbdev);
line6_list_devices();
}
/*
Probe USB device.
*/
static int line6_probe(struct usb_interface *interface,
const struct usb_device_id *id)
{
int devtype;
struct usb_device *usbdev = NULL;
struct usb_line6 *line6 = NULL;
const struct line6_properties *properties;
int devnum;
int interface_number, alternate = 0;
int product;
int size = 0;
int ep_read = 0, ep_write = 0;
int ret;
if (interface == NULL)
return -ENODEV;
usbdev = interface_to_usbdev(interface);
if (usbdev == NULL)
return -ENODEV;
/* we don't handle multiple configurations */
if (usbdev->descriptor.bNumConfigurations != 1) {
ret = -ENODEV;
goto err_put;
}
/* check vendor and product id */
for (devtype = ARRAY_SIZE(line6_id_table) - 1; devtype--;) {
u16 idVendor = le16_to_cpu(usbdev->descriptor.idVendor);
u16 idProduct = le16_to_cpu(usbdev->descriptor.idProduct);
if (idVendor == line6_id_table[devtype].idVendor &&
idProduct == line6_id_table[devtype].idProduct)
break;
}
if (devtype < 0) {
ret = -ENODEV;
goto err_put;
}
/* find free slot in device table: */
for (devnum = 0; devnum < LINE6_MAX_DEVICES; ++devnum)
if (line6_devices[devnum] == NULL)
break;
if (devnum == LINE6_MAX_DEVICES) {
ret = -ENODEV;
goto err_put;
}
/* initialize device info: */
properties = &line6_properties_table[devtype];
dev_info(&interface->dev, "Line6 %s found\n", properties->name);
product = le16_to_cpu(usbdev->descriptor.idProduct);
/* query interface number */
interface_number = interface->cur_altsetting->desc.bInterfaceNumber;
switch (product) {
case LINE6_DEVID_BASSPODXTLIVE:
case LINE6_DEVID_PODXTLIVE:
case LINE6_DEVID_VARIAX:
alternate = 1;
break;
case LINE6_DEVID_POCKETPOD:
switch (interface_number) {
case 0:
return 0; /* this interface has no endpoints */
case 1:
alternate = 0;
break;
default:
MISSING_CASE;
}
break;
case LINE6_DEVID_PODX3:
case LINE6_DEVID_PODX3LIVE:
switch (interface_number) {
case 0:
alternate = 1;
break;
case 1:
alternate = 0;
break;
default:
MISSING_CASE;
}
break;
case LINE6_DEVID_BASSPODXT:
case LINE6_DEVID_BASSPODXTPRO:
case LINE6_DEVID_PODXT:
case LINE6_DEVID_PODXTPRO:
alternate = 5;
break;
case LINE6_DEVID_GUITARPORT:
case LINE6_DEVID_PODSTUDIO_GX:
case LINE6_DEVID_PODSTUDIO_UX1:
case LINE6_DEVID_TONEPORT_GX:
case LINE6_DEVID_TONEPORT_UX1:
alternate = 2; /* 1..4 seem to be ok */
break;
case LINE6_DEVID_TONEPORT_UX2:
case LINE6_DEVID_PODSTUDIO_UX2:
switch (interface_number) {
case 0:
/* defaults to 44.1kHz, 16-bit */
alternate = 2;
break;
case 1:
/* don't know yet what this is ...
alternate = 1;
break;
*/
return -ENODEV;
default:
MISSING_CASE;
}
break;
default:
MISSING_CASE;
ret = -ENODEV;
goto err_put;
}
ret = usb_set_interface(usbdev, interface_number, alternate);
if (ret < 0) {
dev_err(&interface->dev, "set_interface failed\n");
goto err_put;
}
/* initialize device data based on product id: */
switch (product) {
case LINE6_DEVID_BASSPODXT:
case LINE6_DEVID_BASSPODXTLIVE:
case LINE6_DEVID_BASSPODXTPRO:
case LINE6_DEVID_PODXT:
case LINE6_DEVID_PODXTPRO:
size = sizeof(struct usb_line6_pod);
ep_read = 0x84;
ep_write = 0x03;
break;
case LINE6_DEVID_POCKETPOD:
size = sizeof(struct usb_line6_pod);
ep_read = 0x82;
ep_write = 0x02;
break;
case LINE6_DEVID_PODX3:
case LINE6_DEVID_PODX3LIVE:
/* currently unused! */
size = sizeof(struct usb_line6_pod);
ep_read = 0x81;
ep_write = 0x01;
break;
case LINE6_DEVID_PODSTUDIO_GX:
case LINE6_DEVID_PODSTUDIO_UX1:
case LINE6_DEVID_PODSTUDIO_UX2:
case LINE6_DEVID_TONEPORT_GX:
case LINE6_DEVID_TONEPORT_UX1:
case LINE6_DEVID_TONEPORT_UX2:
case LINE6_DEVID_GUITARPORT:
size = sizeof(struct usb_line6_toneport);
/* these don't have a control channel */
break;
case LINE6_DEVID_PODXTLIVE:
switch (interface_number) {
case PODXTLIVE_INTERFACE_POD:
size = sizeof(struct usb_line6_pod);
ep_read = 0x84;
ep_write = 0x03;
break;
case PODXTLIVE_INTERFACE_VARIAX:
size = sizeof(struct usb_line6_variax);
ep_read = 0x86;
ep_write = 0x05;
break;
default:
ret = -ENODEV;
goto err_put;
}
break;
case LINE6_DEVID_VARIAX:
size = sizeof(struct usb_line6_variax);
ep_read = 0x82;
ep_write = 0x01;
break;
default:
MISSING_CASE;
ret = -ENODEV;
goto err_put;
}
if (size == 0) {
dev_err(line6->ifcdev,
"driver bug: interface data size not set\n");
ret = -ENODEV;
goto err_put;
}
line6 = kzalloc(size, GFP_KERNEL);
if (line6 == NULL) {
dev_err(&interface->dev, "Out of memory\n");
ret = -ENODEV;
goto err_put;
}
/* store basic data: */
line6->interface_number = interface_number;
line6->properties = properties;
line6->usbdev = usbdev;
line6->ifcdev = &interface->dev;
line6->ep_control_read = ep_read;
line6->ep_control_write = ep_write;
line6->product = product;
/* get data from endpoint descriptor (see usb_maxpacket): */
{
struct usb_host_endpoint *ep;
unsigned epnum =
usb_pipeendpoint(usb_rcvintpipe(usbdev, ep_read));
ep = usbdev->ep_in[epnum];
if (ep != NULL) {
line6->interval = ep->desc.bInterval;
line6->max_packet_size =
le16_to_cpu(ep->desc.wMaxPacketSize);
} else {
line6->interval = LINE6_FALLBACK_INTERVAL;
line6->max_packet_size = LINE6_FALLBACK_MAXPACKETSIZE;
dev_err(line6->ifcdev,
"endpoint not available, using fallback values");
}
}
usb_set_intfdata(interface, line6);
if (properties->capabilities & LINE6_BIT_CONTROL) {
/* initialize USB buffers: */
line6->buffer_listen =
kmalloc(LINE6_BUFSIZE_LISTEN, GFP_KERNEL);
if (line6->buffer_listen == NULL) {
dev_err(&interface->dev, "Out of memory\n");
ret = -ENOMEM;
goto err_destruct;
}
line6->buffer_message =
kmalloc(LINE6_MESSAGE_MAXLEN, GFP_KERNEL);
if (line6->buffer_message == NULL) {
dev_err(&interface->dev, "Out of memory\n");
ret = -ENOMEM;
goto err_destruct;
}
line6->urb_listen = usb_alloc_urb(0, GFP_KERNEL);
if (line6->urb_listen == NULL) {
dev_err(&interface->dev, "Out of memory\n");
line6_destruct(interface);
ret = -ENOMEM;
goto err_destruct;
}
ret = line6_start_listen(line6);
if (ret < 0) {
dev_err(&interface->dev, "%s: usb_submit_urb failed\n",
__func__);
goto err_destruct;
}
}
/* initialize device data based on product id: */
switch (product) {
case LINE6_DEVID_BASSPODXT:
case LINE6_DEVID_BASSPODXTLIVE:
case LINE6_DEVID_BASSPODXTPRO:
case LINE6_DEVID_POCKETPOD:
case LINE6_DEVID_PODX3:
case LINE6_DEVID_PODX3LIVE:
case LINE6_DEVID_PODXT:
case LINE6_DEVID_PODXTPRO:
ret = line6_pod_init(interface, (struct usb_line6_pod *)line6);
break;
case LINE6_DEVID_PODXTLIVE:
switch (interface_number) {
case PODXTLIVE_INTERFACE_POD:
ret =
line6_pod_init(interface,
(struct usb_line6_pod *)line6);
break;
case PODXTLIVE_INTERFACE_VARIAX:
ret =
line6_variax_init(interface,
(struct usb_line6_variax *)line6);
break;
default:
dev_err(&interface->dev,
"PODxt Live interface %d not supported\n",
interface_number);
ret = -ENODEV;
}
break;
case LINE6_DEVID_VARIAX:
ret =
line6_variax_init(interface,
(struct usb_line6_variax *)line6);
break;
case LINE6_DEVID_PODSTUDIO_GX:
case LINE6_DEVID_PODSTUDIO_UX1:
case LINE6_DEVID_PODSTUDIO_UX2:
case LINE6_DEVID_TONEPORT_GX:
case LINE6_DEVID_TONEPORT_UX1:
case LINE6_DEVID_TONEPORT_UX2:
case LINE6_DEVID_GUITARPORT:
ret =
line6_toneport_init(interface,
(struct usb_line6_toneport *)line6);
break;
default:
MISSING_CASE;
ret = -ENODEV;
}
if (ret < 0)
goto err_destruct;
ret = sysfs_create_link(&interface->dev.kobj, &usbdev->dev.kobj,
"usb_device");
if (ret < 0)
goto err_destruct;
/* creation of additional special files should go here */
dev_info(&interface->dev, "Line6 %s now attached\n",
line6->properties->name);
line6_devices[devnum] = line6;
switch (product) {
case LINE6_DEVID_PODX3:
case LINE6_DEVID_PODX3LIVE:
dev_info(&interface->dev,
"NOTE: the Line6 %s is detected, but not yet supported\n",
line6->properties->name);
}
/* increment reference counters: */
usb_get_intf(interface);
usb_get_dev(usbdev);
return 0;
err_destruct:
line6_destruct(interface);
err_put:
usb_put_intf(interface);
usb_put_dev(usbdev);
return ret;
}
