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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/hid.c | |
parent | 8ecef00fe1f33658ee36e902dba6850b51312073 (diff) | |
download | linux-8443f2d2b7782fef35fe579bf1eb612c24951486.tar.bz2 |
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/hid.c')
-rw-r--r-- | drivers/usb/gadget/hid.c | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/drivers/usb/gadget/hid.c b/drivers/usb/gadget/hid.c deleted file mode 100644 index 778613eb37af..000000000000 --- a/drivers/usb/gadget/hid.c +++ /dev/null @@ -1,266 +0,0 @@ -/* - * hid.c -- HID Composite driver - * - * Based on multi.c - * - * Copyright (C) 2010 Fabien Chouteau <fabien.chouteau@barco.com> - * - * 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/platform_device.h> -#include <linux/list.h> -#include <linux/module.h> -#include <linux/usb/composite.h> - -#include "gadget_chips.h" -#define DRIVER_DESC "HID Gadget" -#define DRIVER_VERSION "2010/03/16" - -/*-------------------------------------------------------------------------*/ - -#define HIDG_VENDOR_NUM 0x0525 /* XXX NetChip */ -#define HIDG_PRODUCT_NUM 0xa4ac /* Linux-USB HID gadget */ - -/*-------------------------------------------------------------------------*/ - -/* - * 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 "f_hid.c" - - -struct hidg_func_node { - struct list_head node; - struct hidg_func_descriptor *func; -}; - -static LIST_HEAD(hidg_func_list); - -/*-------------------------------------------------------------------------*/ -USB_GADGET_COMPOSITE_OPTIONS(); - -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, */ - .bDeviceClass = USB_CLASS_PER_INTERFACE, - .bDeviceSubClass = 0, - .bDeviceProtocol = 0, - /* .bMaxPacketSize0 = f(hardware) */ - - /* Vendor and product id can be overridden by module parameters. */ - .idVendor = cpu_to_le16(HIDG_VENDOR_NUM), - .idProduct = cpu_to_le16(HIDG_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, -}; - - - -/****************************** 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", - .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, funcs = 0; - - list_for_each(tmp, &hidg_func_list) - funcs++; - - if (!funcs) - return -ENODEV; - - /* set up HID */ - status = ghid_setup(cdev->gadget, funcs); - if (status < 0) - return status; - - /* 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) - return status; - 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, &config_driver, do_config); - if (status < 0) - return status; - - usb_composite_overwrite_options(cdev, &coverwrite); - 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 = dev_get_platdata(&pdev->dev); - 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 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 __refdata struct usb_composite_driver hidg_driver = { - .name = "g_hid", - .dev = &device_desc, - .strings = dev_strings, - .max_speed = USB_SPEED_HIGH, - .bind = hid_bind, - .unbind = __exit_p(hid_unbind), -}; - -static struct platform_driver hidg_plat_driver = { - .remove = hidg_plat_driver_remove, - .driver = { - .owner = THIS_MODULE, - .name = "hidg", - }, -}; - - -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_AUTHOR("Fabien Chouteau, Peter Korsgaard"); -MODULE_LICENSE("GPL"); - -static int __init hidg_init(void) -{ - int status; - - status = platform_driver_probe(&hidg_plat_driver, - hidg_plat_driver_probe); - if (status < 0) - return status; - - status = usb_composite_probe(&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); |