/* bi_modinit - commission bus interface driver
*/
int __init bi_modinit(void)
{
struct usb_bus_instance * bus;
struct usb_device_instance * device;
//extern const char __usbd_module_info[];
//printk(KERN_INFO "%s (dbg=\"%s\")\n", __usbd_module_info, dbg?dbg:"");
if (0 != scan_debug_options("usb-bus",dbg_table,dbg)) {
printk("Failed to scan dbg in bi_modinit\n");
}
if (bi_udc_init()) {
return(-EINVAL);
}
// register this bus interface driver and create the device driver instance
if ((bus = usbd_register_bus(&bi_driver))==NULL) {
bi_udc_exit();
return -EINVAL;
}
// see if we can scrounge up something to set a sort of unique device
// address
if (!udc_serial_init(bus)) {
dbg_init(1,"serial: %s %04x", bus->serial_number_str,
bus->serial_number);
}
if ((device = usbd_register_device(NULL, bus, 8))==NULL) {
usbd_deregister_bus(bus);
bi_udc_exit();
return -EINVAL;
}
#ifdef CONFIG_PM
// register with power management
pm_dev = pm_register(PM_USB_DEV, PM_SYS_UNKNOWN, bi_pm_event);
pm_dev->data = device;
#endif
bus->device = device;
device_array[0] = device;
// initialize the device
{
struct usb_endpoint_instance *endpoint = device->bus->endpoint_array + 0;
// setup endpoint zero
endpoint->endpoint_address = 0;
endpoint->tx_attributes = 0;
endpoint->tx_transferSize = 255;
endpoint->tx_packetSize = udc_ep0_packetsize();
endpoint->rcv_attributes = 0;
endpoint->rcv_transferSize = 0x8;
endpoint->rcv_packetSize = udc_ep0_packetsize();
udc_setup_ep(device, 0, endpoint);
}
// hopefully device enumeration will finish this process
udc_startup_events(device);
#ifdef CONFIG_PM
dbg_pm(0,"pm_dev->callback#%p",pm_dev->callback);
if (!udc_connected()) {
/* Fake a call from the PM system to suspend the UDC until it
is needed (cable connect, etc) */
(void) bi_pm_event(pm_dev,PM_SUSPEND,NULL);
/* There appears to be no constant for this, but inspection
of arch/arm/mach-l7200/apm.c:send_event() shows that the
suspended state is 3 (i.e. pm_send_all(PM_SUSPEND, (void *)3))
corresponding to ACPI_D3. */
pm_dev->state = 3;
}
#endif
if (dbgflg_usbdbi_tick > 0) {
// start ticker
ticker_kickoff();
}
dbgLEAVE(dbgflg_usbdbi_init,1);
return 0;
}
/* bi_modinit - commission bus interface driver
*/
static int __init bi_modinit (void)
{
extern const char __usbd_module_info[];
struct usb_bus_instance *bus;
struct usb_device_instance *device;
struct bi_data *data;
printk (KERN_INFO "%s (dbg=\"%s\")\n", __usbd_module_info, dbg ? dbg : "");
// process debug options
if (0 != scan_debug_options ("usbd-bi", dbg_table, dbg)) {
return -EINVAL;
}
// check if we can see the UDC
if (bi_udc_init ()) {
return -EINVAL;
}
// allocate a bi private data structure
if ((data = kmalloc (sizeof (struct bi_data), GFP_KERNEL)) == NULL) {
bi_udc_exit ();
return -EINVAL;
}
memset (data, 0, sizeof (struct bi_data));
// register this bus interface driver and create the device driver instance
if ((bus = usbd_register_bus (&bi_driver)) == NULL) {
kfree (data);
bi_udc_exit ();
return -EINVAL;
}
bus->privdata = data;
// see if we can scrounge up something to set a sort of unique device address
if (!udc_serial_init (bus)) {
dbg_init (1, "serial: %s %04x\n", bus->serial_number_str, bus->serial_number);
}
if ((device = usbd_register_device (NULL, bus, 8)) == NULL) {
usbd_deregister_bus (bus);
kfree (data);
bi_udc_exit ();
return -EINVAL;
}
#if defined(CONFIG_PM) && !defined(CONFIG_USBD_MONITOR) && !defined(CONFIG_USBD_MONITOR_MODULE)
// register with power management
pm_dev = pm_register (PM_USB_DEV, PM_SYS_UNKNOWN, bi_pm_event);
pm_dev->data = device;
#endif
#ifdef CONFIG_DPM /* MVL-CEE */
bi_udc_ldm_driver_register();
bi_udc_ldm_device_register();
#endif
bus->device = device;
device_array[0] = device;
// initialize the device
{
struct usb_endpoint_instance *endpoint = device->bus->endpoint_array + 0;
// setup endpoint zero
endpoint->endpoint_address = 0;
endpoint->tx_attributes = 0;
endpoint->tx_transferSize = 255;
endpoint->tx_packetSize = udc_ep0_packetsize ();
endpoint->rcv_attributes = 0;
endpoint->rcv_transferSize = 0x8;
endpoint->rcv_packetSize = udc_ep0_packetsize ();
udc_setup_ep (device, 0, endpoint);
}
// hopefully device enumeration will finish this process
printk(KERN_INFO"bi_modinit: call udc_startup_events\n");
udc_startup_events (device);
#if defined(CONFIG_PM) && !defined(CONFIG_USBD_MONITOR) && !defined(CONFIG_USBD_MONITOR_MODULE)
dbg_pm (0, "pm_dev->callback#%p", pm_dev->callback);
if (!udc_connected ()) {
/* Fake a call from the PM system to suspend the UDC until it
is needed (cable connect, etc) */
(void) bi_pm_event (pm_dev, PM_SUSPEND, NULL);
/* There appears to be no constant for this, but inspection
of arch/arm/mach-l7200/apm.c:send_event() shows that the
suspended state is 3 (i.e. pm_send_all(PM_SUSPEND, (void *)3))
corresponding to ACPI_D3. */
pm_dev->state = 3;
}
#endif
if (dbgflg_usbdbi_tick > 0) {
// start ticker
ticker_kickoff ();
}
#ifdef CONFIG_USBD_PROCFS
{
struct proc_dir_entry *p;
// create proc filesystem entries
if ((p = create_proc_entry ("usbd", 0, 0)) == NULL) {
return -ENOMEM;
}
p->proc_fops = &usbd_proc_operations_functions;
}
#endif
dbgLEAVE (dbgflg_usbdbi_init, 1);
return 0;
}