diff options
Diffstat (limited to 'drivers/usb/gadget/ncm.c')
| -rw-r--r-- | drivers/usb/gadget/ncm.c | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/drivers/usb/gadget/ncm.c b/drivers/usb/gadget/ncm.c deleted file mode 100644 index e90e23db2acb..000000000000 --- a/drivers/usb/gadget/ncm.c +++ /dev/null @@ -1,211 +0,0 @@ -/* - * ncm.c -- NCM gadget driver - * - * Copyright (C) 2010 Nokia Corporation - * Contact: Yauheni Kaliuta <yauheni.kaliuta@nokia.com> - * - * The driver borrows from ether.c which is: - * - * Copyright (C) 2003-2005,2008 David Brownell - * Copyright (C) 2003-2004 Robert Schwebel, Benedikt Spranger - * Copyright (C) 2008 Nokia Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -/* #define DEBUG */ -/* #define VERBOSE_DEBUG */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/usb/composite.h> - -#include "u_ether.h" -#include "u_ncm.h" - -#define DRIVER_DESC "NCM Gadget" - -/*-------------------------------------------------------------------------*/ - -/* DO NOT REUSE THESE IDs with a protocol-incompatible driver!! Ever!! - * Instead: allocate your own, using normal USB-IF procedures. - */ - -/* Thanks to NetChip Technologies for donating this product ID. - * It's for devices with only CDC Ethernet configurations. - */ -#define CDC_VENDOR_NUM 0x0525 /* NetChip */ -#define CDC_PRODUCT_NUM 0xa4a1 /* Linux-USB Ethernet Gadget */ - -/*-------------------------------------------------------------------------*/ -USB_GADGET_COMPOSITE_OPTIONS(); - -USB_ETHERNET_MODULE_PARAMETERS(); - -static struct usb_device_descriptor device_desc = { - .bLength = sizeof device_desc, - .bDescriptorType = USB_DT_DEVICE, - - .bcdUSB = cpu_to_le16 (0x0200), - - .bDeviceClass = USB_CLASS_COMM, - .bDeviceSubClass = 0, - .bDeviceProtocol = 0, - /* .bMaxPacketSize0 = f(hardware) */ - - /* Vendor and product id defaults change according to what configs - * we support. (As does bNumConfigurations.) These values can - * also be overridden by module parameters. - */ - .idVendor = cpu_to_le16 (CDC_VENDOR_NUM), - .idProduct = cpu_to_le16 (CDC_PRODUCT_NUM), - /* .bcdDevice = f(hardware) */ - /* .iManufacturer = DYNAMIC */ - /* .iProduct = DYNAMIC */ - /* NO SERIAL NUMBER */ - .bNumConfigurations = 1, -}; - -static struct usb_otg_descriptor otg_descriptor = { - .bLength = sizeof otg_descriptor, - .bDescriptorType = USB_DT_OTG, - - /* REVISIT SRP-only hardware is possible, although - * it would not be called "OTG" ... - */ - .bmAttributes = USB_OTG_SRP | USB_OTG_HNP, -}; - -static const struct usb_descriptor_header *otg_desc[] = { - (struct usb_descriptor_header *) &otg_descriptor, - NULL, -}; - -/* string IDs are assigned dynamically */ -static struct usb_string strings_dev[] = { - [USB_GADGET_MANUFACTURER_IDX].s = "", - [USB_GADGET_PRODUCT_IDX].s = DRIVER_DESC, - [USB_GADGET_SERIAL_IDX].s = "", - { } /* 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_function_instance *f_ncm_inst; -static struct usb_function *f_ncm; - -/*-------------------------------------------------------------------------*/ - -static int __init ncm_do_config(struct usb_configuration *c) -{ - int status; - - /* FIXME alloc iConfiguration string, set it in c->strings */ - - if (gadget_is_otg(c->cdev->gadget)) { - c->descriptors = otg_desc; - c->bmAttributes |= USB_CONFIG_ATT_WAKEUP; - } - - f_ncm = usb_get_function(f_ncm_inst); - if (IS_ERR(f_ncm)) { - status = PTR_ERR(f_ncm); - return status; - } - - status = usb_add_function(c, f_ncm); - if (status < 0) { - usb_put_function(f_ncm); - return status; - } - - return 0; -} - -static struct usb_configuration ncm_config_driver = { - /* .label = f(hardware) */ - .label = "CDC Ethernet (NCM)", - .bConfigurationValue = 1, - /* .iConfiguration = DYNAMIC */ - .bmAttributes = USB_CONFIG_ATT_SELFPOWER, -}; - -/*-------------------------------------------------------------------------*/ - -static int __init gncm_bind(struct usb_composite_dev *cdev) -{ - struct usb_gadget *gadget = cdev->gadget; - struct f_ncm_opts *ncm_opts; - int status; - - f_ncm_inst = usb_get_function_instance("ncm"); - if (IS_ERR(f_ncm_inst)) - return PTR_ERR(f_ncm_inst); - - ncm_opts = container_of(f_ncm_inst, struct f_ncm_opts, func_inst); - - gether_set_qmult(ncm_opts->net, qmult); - if (!gether_set_host_addr(ncm_opts->net, host_addr)) - pr_info("using host ethernet address: %s", host_addr); - if (!gether_set_dev_addr(ncm_opts->net, dev_addr)) - pr_info("using self ethernet address: %s", dev_addr); - - /* Allocate string descriptor numbers ... note that string - * contents can be overridden by the composite_dev glue. - */ - - status = usb_string_ids_tab(cdev, strings_dev); - if (status < 0) - goto fail; - device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id; - device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; - - status = usb_add_config(cdev, &ncm_config_driver, - ncm_do_config); - if (status < 0) - goto fail; - - usb_composite_overwrite_options(cdev, &coverwrite); - dev_info(&gadget->dev, "%s\n", DRIVER_DESC); - - return 0; - -fail: - usb_put_function_instance(f_ncm_inst); - return status; -} - -static int __exit gncm_unbind(struct usb_composite_dev *cdev) -{ - if (!IS_ERR_OR_NULL(f_ncm)) - usb_put_function(f_ncm); - if (!IS_ERR_OR_NULL(f_ncm_inst)) - usb_put_function_instance(f_ncm_inst); - return 0; -} - -static __refdata struct usb_composite_driver ncm_driver = { - .name = "g_ncm", - .dev = &device_desc, - .strings = dev_strings, - .max_speed = USB_SPEED_HIGH, - .bind = gncm_bind, - .unbind = __exit_p(gncm_unbind), -}; - -module_usb_composite_driver(ncm_driver); - -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_AUTHOR("Yauheni Kaliuta"); -MODULE_LICENSE("GPL"); |
