/* * nokia.c -- Nokia Composite Gadget Driver * * Copyright (C) 2008-2010 Nokia Corporation * Contact: Felipe Balbi * * This gadget driver borrows from serial.c which is: * * Copyright (C) 2003 Al Borchers (alborchers@steinerpoint.com) * Copyright (C) 2008 by David Brownell * Copyright (C) 2008 by Nokia Corporation * * This software is distributed under the terms of the GNU General * Public License ("GPL") as published by the Free Software Foundation, * version 2 of that License. */ #include #include #include #include "u_serial.h" #include "u_ether.h" #include "u_phonet.h" #include "gadget_chips.h" /* Defines */ #define NOKIA_VERSION_NUM 0x0211 #define NOKIA_LONG_NAME "N900 (PC-Suite Mode)" /*-------------------------------------------------------------------------*/ /* * Kbuild is not very cooperative with respect to linking separately * compiled library objects into one module. So for now we won't use * separate compilation ... ensuring init/exit sections work to shrink * the runtime footprint, and giving us at least some parts of what * a "gcc --combine ... part1.c part2.c part3.c ... " build would. */ #include "composite.c" #include "usbstring.c" #include "config.c" #include "epautoconf.c" #include "u_serial.c" #include "f_acm.c" #include "f_ecm.c" #include "f_obex.c" #include "f_serial.c" #include "f_phonet.c" #include "u_ether.c" /*-------------------------------------------------------------------------*/ #define NOKIA_VENDOR_ID 0x0421 /* Nokia */ #define NOKIA_PRODUCT_ID 0x01c8 /* Nokia Gadget */ /* string IDs are assigned dynamically */ #define STRING_MANUFACTURER_IDX 0 #define STRING_PRODUCT_IDX 1 #define STRING_DESCRIPTION_IDX 2 static char manufacturer_nokia[] = "Nokia"; static const char product_nokia[] = NOKIA_LONG_NAME; static const char description_nokia[] = "PC-Suite Configuration"; static struct usb_string strings_dev[] = { [STRING_MANUFACTURER_IDX].s = manufacturer_nokia, [STRING_PRODUCT_IDX].s = NOKIA_LONG_NAME, [STRING_DESCRIPTION_IDX].s = description_nokia, { } /* end of list */ }; static struct usb_gadget_strings stringtab_dev = { .language = 0x0409, /* en-us */ .strings = strings_dev, }; static struct usb_gadget_strings *dev_strings[] = { &stringtab_dev, NULL, }; static struct usb_device_descriptor device_desc = { .bLength = USB_DT_DEVICE_SIZE, .bDescriptorType = USB_DT_DEVICE, .bcdUSB = __constant_cpu_to_le16(0x0200), .bDeviceClass = USB_CLASS_COMM, .idVendor = __constant_cpu_to_le16(NOKIA_VENDOR_ID), .idProduct = __constant_cpu_to_le16(NOKIA_PRODUCT_ID), /* .iManufacturer = DYNAMIC */ /* .iProduct = DYNAMIC */ .bNumConfigurations = 1, }; /*-------------------------------------------------------------------------*/ /* Module */ MODULE_DESCRIPTION("Nokia composite gadget driver for N900"); MODULE_AUTHOR("Felipe Balbi"); MODULE_LICENSE("GPL"); /*-------------------------------------------------------------------------*/ static u8 hostaddr[ETH_ALEN]; static int __init nokia_bind_config(struct usb_configuration *c) { int status = 0; status = phonet_bind_config(c); if (status) printk(KERN_DEBUG "could not bind phonet config\n"); status = obex_bind_config(c, 0); if (status) printk(KERN_DEBUG "could not bind obex config %d\n", 0); status = obex_bind_config(c, 1); if (status) printk(KERN_DEBUG "could not bind obex config %d\n", 0); status = acm_bind_config(c, 2); if (status) printk(KERN_DEBUG "could not bind acm config\n"); status = ecm_bind_config(c, hostaddr); if (status) printk(KERN_DEBUG "could not bind ecm config\n"); return status; } static struct usb_configuration nokia_config_500ma_driver = { .label = "Bus Powered", .bind = nokia_bind_config, .bConfigurationValue = 1, /* .iConfiguration = DYNAMIC */ .bmAttributes = USB_CONFIG_ATT_ONE, .bMaxPower = 250, /* 500mA */ }; static struct usb_configuration nokia_config_100ma_driver = { .label = "Self Powered", .bind = nokia_bind_config, .bConfigurationValue = 2, /* .iConfiguration = DYNAMIC */ .bmAttributes = USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER, .bMaxPower = 50, /* 100 mA */ }; static int __init nokia_bind(struct usb_composite_dev *cdev) { int gcnum; struct usb_gadget *gadget = cdev->gadget; int status; status = gphonet_setup(cdev->gadget); if (status < 0) goto err_phonet; status = gserial_setup(cdev->gadget, 3); if (status < 0) goto err_serial; status = gether_setup(cdev->gadget, hostaddr); if (status < 0) goto err_ether; status = usb_string_id(cdev); if (status < 0) goto err_usb; strings_dev[STRING_MANUFACTURER_IDX].id = status; device_desc.iManufacturer = status; status = usb_string_id(cdev); if (status < 0) goto err_usb; strings_dev[STRING_PRODUCT_IDX].id = status; device_desc.iProduct = status; /* config description */ status = usb_string_id(cdev); if (status < 0) goto err_usb; strings_dev[STRING_DESCRIPTION_IDX].id = status; nokia_config_500ma_driver.iConfiguration = status; nokia_config_100ma_driver.iConfiguration = status; /* set up other descriptors */ gcnum = usb_gadget_controller_number(gadget); if (gcnum >= 0) device_desc.bcdDevice = cpu_to_le16(NOKIA_VERSION_NUM); else { /* this should only work with hw that supports altsettings * and several endpoints, anything else, panic. */ pr_err("nokia_bind: controller '%s' not recognized\n", gadget->name); goto err_usb; } /* finaly register the configuration */ status = usb_add_config(cdev, &nokia_config_500ma_driver); if (status < 0) goto err_usb; status = usb_add_config(cdev, &nokia_config_100ma_driver); if (status < 0) goto err_usb; dev_info(&gadget->dev, "%s\n", NOKIA_LONG_NAME); return 0; err_usb: gether_cleanup(); err_ether: gserial_cleanup(); err_serial: gphonet_cleanup(); err_phonet: return status; } static int __exit nokia_unbind(struct usb_composite_dev *cdev) { gphonet_cleanup(); gserial_cleanup(); gether_cleanup(); return 0; } static struct usb_composite_driver nokia_driver = { .name = "g_nokia", .dev = &device_desc, .strings = dev_strings, .unbind = __exit_p(nokia_unbind), }; static int __init nokia_init(void) { return usb_composite_probe(&nokia_driver, nokia_bind); } module_init(nokia_init); static void __exit nokia_cleanup(void) { usb_composite_unregister(&nokia_driver); } module_exit(nokia_cleanup);