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author | Andrzej Pietrasiewicz <andrzej.p@samsung.com> | 2014-07-15 13:09:44 +0200 |
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committer | Felipe Balbi <balbi@ti.com> | 2014-07-16 12:14:05 -0500 |
commit | 8443f2d2b7782fef35fe579bf1eb612c24951486 (patch) | |
tree | 904e98cbbe3e0916af116f8f55754d994ce92e79 /drivers/usb/gadget/cdc2.c | |
parent | 8ecef00fe1f33658ee36e902dba6850b51312073 (diff) | |
download | blackbird-op-linux-8443f2d2b7782fef35fe579bf1eb612c24951486.tar.gz blackbird-op-linux-8443f2d2b7782fef35fe579bf1eb612c24951486.zip |
usb: gadget: Gadget directory cleanup - group legacy gadgets
The drivers/usb/gadget directory contains many files.
Files which are related can be distributed into separate directories.
This patch moves the legacy gadgets (i.e. those not using configfs)
into a separate directory.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/cdc2.c')
-rw-r--r-- | drivers/usb/gadget/cdc2.c | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/drivers/usb/gadget/cdc2.c b/drivers/usb/gadget/cdc2.c deleted file mode 100644 index 2e85d9473478..000000000000 --- a/drivers/usb/gadget/cdc2.c +++ /dev/null @@ -1,238 +0,0 @@ -/* - * cdc2.c -- CDC Composite driver, with ECM and ACM support - * - * Copyright (C) 2008 David Brownell - * 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. - */ - -#include <linux/kernel.h> -#include <linux/module.h> - -#include "u_ether.h" -#include "u_serial.h" -#include "u_ecm.h" - - -#define DRIVER_DESC "CDC Composite Gadget" -#define DRIVER_VERSION "King Kamehameha Day 2008" - -/*-------------------------------------------------------------------------*/ - -/* 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 this composite CDC configuration. - */ -#define CDC_VENDOR_NUM 0x0525 /* NetChip */ -#define CDC_PRODUCT_NUM 0xa4aa /* CDC Composite: ECM + ACM */ - -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 can 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 *f_acm; -static struct usb_function_instance *fi_serial; - -static struct usb_function *f_ecm; -static struct usb_function_instance *fi_ecm; - -/* - * We _always_ have both CDC ECM and CDC ACM functions. - */ -static int __init cdc_do_config(struct usb_configuration *c) -{ - int status; - - if (gadget_is_otg(c->cdev->gadget)) { - c->descriptors = otg_desc; - c->bmAttributes |= USB_CONFIG_ATT_WAKEUP; - } - - f_ecm = usb_get_function(fi_ecm); - if (IS_ERR(f_ecm)) { - status = PTR_ERR(f_ecm); - goto err_get_ecm; - } - - status = usb_add_function(c, f_ecm); - if (status) - goto err_add_ecm; - - f_acm = usb_get_function(fi_serial); - if (IS_ERR(f_acm)) { - status = PTR_ERR(f_acm); - goto err_get_acm; - } - - status = usb_add_function(c, f_acm); - if (status) - goto err_add_acm; - return 0; - -err_add_acm: - usb_put_function(f_acm); -err_get_acm: - usb_remove_function(c, f_ecm); -err_add_ecm: - usb_put_function(f_ecm); -err_get_ecm: - return status; -} - -static struct usb_configuration cdc_config_driver = { - .label = "CDC Composite (ECM + ACM)", - .bConfigurationValue = 1, - /* .iConfiguration = DYNAMIC */ - .bmAttributes = USB_CONFIG_ATT_SELFPOWER, -}; - -/*-------------------------------------------------------------------------*/ - -static int __init cdc_bind(struct usb_composite_dev *cdev) -{ - struct usb_gadget *gadget = cdev->gadget; - struct f_ecm_opts *ecm_opts; - int status; - - if (!can_support_ecm(cdev->gadget)) { - dev_err(&gadget->dev, "controller '%s' not usable\n", - gadget->name); - return -EINVAL; - } - - fi_ecm = usb_get_function_instance("ecm"); - if (IS_ERR(fi_ecm)) - return PTR_ERR(fi_ecm); - - ecm_opts = container_of(fi_ecm, struct f_ecm_opts, func_inst); - - gether_set_qmult(ecm_opts->net, qmult); - if (!gether_set_host_addr(ecm_opts->net, host_addr)) - pr_info("using host ethernet address: %s", host_addr); - if (!gether_set_dev_addr(ecm_opts->net, dev_addr)) - pr_info("using self ethernet address: %s", dev_addr); - - fi_serial = usb_get_function_instance("acm"); - if (IS_ERR(fi_serial)) { - status = PTR_ERR(fi_serial); - goto fail; - } - - /* 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 fail1; - device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id; - device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; - - /* register our configuration */ - status = usb_add_config(cdev, &cdc_config_driver, cdc_do_config); - if (status < 0) - goto fail1; - - usb_composite_overwrite_options(cdev, &coverwrite); - dev_info(&gadget->dev, "%s, version: " DRIVER_VERSION "\n", - DRIVER_DESC); - - return 0; - -fail1: - usb_put_function_instance(fi_serial); -fail: - usb_put_function_instance(fi_ecm); - return status; -} - -static int __exit cdc_unbind(struct usb_composite_dev *cdev) -{ - usb_put_function(f_acm); - usb_put_function_instance(fi_serial); - if (!IS_ERR_OR_NULL(f_ecm)) - usb_put_function(f_ecm); - if (!IS_ERR_OR_NULL(fi_ecm)) - usb_put_function_instance(fi_ecm); - return 0; -} - -static __refdata struct usb_composite_driver cdc_driver = { - .name = "g_cdc", - .dev = &device_desc, - .strings = dev_strings, - .max_speed = USB_SPEED_HIGH, - .bind = cdc_bind, - .unbind = __exit_p(cdc_unbind), -}; - -module_usb_composite_driver(cdc_driver); - -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_AUTHOR("David Brownell"); -MODULE_LICENSE("GPL"); |