- /****************************** Configurations ******************************/
- static
int __init do_config(struct usb_configuration *c) - {
- struct hidg_func_node *e;
- int func = 0, status = 0;
- if (gadget_is_otg(c->cdev->gadget)) {
- c->descriptors = otg_desc;
- c->bmAttributes |= USB_CONFIG_ATT_WAKEUP;
- }
- list_for_each_entry(e, &hidg_func_list, node) {
- status = hidg_bind_config(c, e->func, func++);
- if (status)
- break;
- }
- return status;
- }
- static
struct usb_configuration config_driver = { - .label = "HID Gadget",
- .bind = do_config,
- .bConfigurationValue = 1,
- /* .iConfiguration = DYNAMIC */
- .bmAttributes = USB_CONFIG_ATT_SELFPOWER,
- };
- /****************************** Gadget Bind ******************************/
- static
int __init hid_bind(struct usb_composite_dev *cdev) - {
- struct usb_gadget *gadget = cdev->gadget;
- struct list_head *tmp;
- int status, gcnum, funcs = 0;
- list_for_each(tmp, &hidg_func_list)
- funcs++;
- if (!funcs)
- return -ENODEV;
- /* set up HID */
- printk("=============bind\n");
- status = ghid_setup(cdev->gadget, funcs);
- if (status < 0)
- return status;
- gcnum = usb_gadget_controller_number(gadget);
- if (gcnum >= 0)
- device_desc.bcdDevice = cpu_to_le16(0x0300 | gcnum);
- else
- device_desc.bcdDevice = cpu_to_le16(0x0300 | 0x0099);
- /* Allocate string descriptor numbers ... note that string
- * contents can be overridden by the composite_dev glue.
- */
- /* device descriptor strings: manufacturer, product */
- snprintf(manufacturer, sizeof manufacturer, "%s %s with %s",
- init_utsname()->sysname, init_utsname()->release,
- gadget->name);
- status = usb_string_id(cdev);
- if (status < 0)
- return status;
- strings_dev[STRING_MANUFACTURER_IDX].id = status;
- device_desc.iManufacturer = status;
- status = usb_string_id(cdev);
- if (status < 0)
- return status;
- strings_dev[STRING_PRODUCT_IDX].id = status;
- device_desc.iProduct = status;
- /* register our configuration */
- status = usb_add_config(cdev, &config_driver);
- if (status < 0)
- return status;
- dev_info(&gadget->dev, DRIVER_DESC ", version: " DRIVER_VERSION "\n");
- return 0;
- }
- static
int __exit hid_unbind(struct usb_composite_dev *cdev) - {
- ghid_cleanup();
- return 0;
- }
- static
int __init hidg_plat_driver_probe(struct platform_device *pdev) - {
- struct hidg_func_descriptor *func = pdev->dev.platform_data;
- struct hidg_func_node *entry;
- if (!func) {
- dev_err(&pdev->dev, "Platform data missing\n");
- return -ENODEV;
- }
- entry = kzalloc(sizeof(*entry), GFP_KERNEL);
- if (!entry)
- return -ENOMEM;
- entry->func = func;
- list_add_tail(&entry->node, &hidg_func_list);
- return 0;
- }
- static
int __devexit hidg_plat_driver_remove(struct platform_device *pdev) - {
- struct hidg_func_node *e, *n;
- list_for_each_entry_safe(e, n, &hidg_func_list, node) {
- list_del(&e->node);
- kfree(e);
- }
- return 0;
- }
- /****************************** Some noise ******************************/
- static
struct usb_composite_driver hidg_driver = { - .name = "g_hid",
- .dev = &device_desc,
- .strings = dev_strings,
- .bind = hid_bind,
- .unbind = __exit_p(hid_unbind),
- };
- static
struct platform_driver hidg_plat_driver = { - .remove = __devexit_p(hidg_plat_driver_remove),
- .driver = {
- .name = "hidg",
- .owner = THIS_MODULE,
- },
- };
- static
struct musb_hdrc_platform_data hidg_plat_data = { - .mode = MUSB_PERIPHERAL,//MUSB_OTG,
- };
- static
struct platform_device hidg_plat_device = { - .name = "hidg",
- .id = -1,
- .dev = {
- //.init_name = "hidg_init"
- .platform_data = &hidg_plat_data,
- },
- };
- MODULE_DESCRIPTION(DRIVER_DESC);
- MODULE_AUTHOR("Fabien Chouteau, Peter Korsgaard");
- MODULE_LICENSE("GPL");
- static
int __init hidg_init(void) - {
- int status;
- status = platform_device_register(&hidg_plat_device);
- if(status < 0)
- return status;
- status = platform_driver_probe(&hidg_plat_driver, hidg_plat_driver_probe);
- if (status < 0)
- return status;
- status = usb_composite_register(&hidg_driver);
- if (status < 0)
- platform_driver_unregister(&hidg_plat_driver);
- return status;
- }
- module_init(hidg_init);
- static
void __exit hidg_cleanup(void) - {
- platform_driver_unregister(&hidg_plat_driver);
- usb_composite_unregister(&hidg_driver);
- }
- module_exit(hidg_cleanup);
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