diff options
Diffstat (limited to 'drivers/usb/gadget/acm_ms.c')
| -rw-r--r-- | drivers/usb/gadget/acm_ms.c | 284 |
1 files changed, 0 insertions, 284 deletions
diff --git a/drivers/usb/gadget/acm_ms.c b/drivers/usb/gadget/acm_ms.c deleted file mode 100644 index a252444cc0a7..000000000000 --- a/drivers/usb/gadget/acm_ms.c +++ /dev/null @@ -1,284 +0,0 @@ -/* - * acm_ms.c -- Composite driver, with ACM and mass storage support - * - * Copyright (C) 2008 David Brownell - * Copyright (C) 2008 Nokia Corporation - * Author: David Brownell - * Modified: Klaus Schwarzkopf <schwarzkopf@sensortherm.de> - * - * Heavily based on multi.c and cdc2.c - * - * 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_serial.h" - -#define DRIVER_DESC "Composite Gadget (ACM + MS)" -#define DRIVER_VERSION "2011/10/10" - -/*-------------------------------------------------------------------------*/ - -/* - * DO NOT REUSE THESE IDs with a protocol-incompatible driver!! Ever!! - * Instead: allocate your own, using normal USB-IF procedures. - */ -#define ACM_MS_VENDOR_NUM 0x1d6b /* Linux Foundation */ -#define ACM_MS_PRODUCT_NUM 0x0106 /* Composite Gadget: ACM + MS*/ - -#include "f_mass_storage.h" - -/*-------------------------------------------------------------------------*/ -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_MISC /* 0xEF */, - .bDeviceSubClass = 2, - .bDeviceProtocol = 1, - - /* .bMaxPacketSize0 = f(hardware) */ - - /* Vendor and product id can be overridden by module parameters. */ - .idVendor = cpu_to_le16(ACM_MS_VENDOR_NUM), - .idProduct = cpu_to_le16(ACM_MS_PRODUCT_NUM), - /* .bcdDevice = f(hardware) */ - /* .iManufacturer = DYNAMIC */ - /* .iProduct = DYNAMIC */ - /* NO SERIAL NUMBER */ - /*.bNumConfigurations = DYNAMIC*/ -}; - -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 struct fsg_module_parameters fsg_mod_data = { .stall = 1 }; -#ifdef CONFIG_USB_GADGET_DEBUG_FILES - -static unsigned int fsg_num_buffers = CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS; - -#else - -/* - * Number of buffers we will use. - * 2 is usually enough for good buffering pipeline - */ -#define fsg_num_buffers CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS - -#endif /* CONFIG_USB_GADGET_DEBUG_FILES */ - -FSG_MODULE_PARAMETERS(/* no prefix */, fsg_mod_data); - -/*-------------------------------------------------------------------------*/ -static struct usb_function *f_acm; -static struct usb_function_instance *f_acm_inst; - -static struct usb_function_instance *fi_msg; -static struct usb_function *f_msg; - -/* - * We _always_ have both ACM and mass storage functions. - */ -static int __init acm_ms_do_config(struct usb_configuration *c) -{ - struct fsg_opts *opts; - int status; - - if (gadget_is_otg(c->cdev->gadget)) { - c->descriptors = otg_desc; - c->bmAttributes |= USB_CONFIG_ATT_WAKEUP; - } - - opts = fsg_opts_from_func_inst(fi_msg); - - f_acm = usb_get_function(f_acm_inst); - if (IS_ERR(f_acm)) - return PTR_ERR(f_acm); - - f_msg = usb_get_function(fi_msg); - if (IS_ERR(f_msg)) { - status = PTR_ERR(f_msg); - goto put_acm; - } - - status = usb_add_function(c, f_acm); - if (status < 0) - goto put_msg; - - status = fsg_common_run_thread(opts->common); - if (status) - goto remove_acm; - - status = usb_add_function(c, f_msg); - if (status) - goto remove_acm; - - return 0; -remove_acm: - usb_remove_function(c, f_acm); -put_msg: - usb_put_function(f_msg); -put_acm: - usb_put_function(f_acm); - return status; -} - -static struct usb_configuration acm_ms_config_driver = { - .label = DRIVER_DESC, - .bConfigurationValue = 1, - /* .iConfiguration = DYNAMIC */ - .bmAttributes = USB_CONFIG_ATT_SELFPOWER, -}; - -/*-------------------------------------------------------------------------*/ - -static int __init acm_ms_bind(struct usb_composite_dev *cdev) -{ - struct usb_gadget *gadget = cdev->gadget; - struct fsg_opts *opts; - struct fsg_config config; - int status; - - f_acm_inst = usb_get_function_instance("acm"); - if (IS_ERR(f_acm_inst)) - return PTR_ERR(f_acm_inst); - - fi_msg = usb_get_function_instance("mass_storage"); - if (IS_ERR(fi_msg)) { - status = PTR_ERR(fi_msg); - goto fail_get_msg; - } - - /* set up mass storage function */ - fsg_config_from_params(&config, &fsg_mod_data, fsg_num_buffers); - opts = fsg_opts_from_func_inst(fi_msg); - - opts->no_configfs = true; - status = fsg_common_set_num_buffers(opts->common, fsg_num_buffers); - if (status) - goto fail; - - status = fsg_common_set_nluns(opts->common, config.nluns); - if (status) - goto fail_set_nluns; - - status = fsg_common_set_cdev(opts->common, cdev, config.can_stall); - if (status) - goto fail_set_cdev; - - fsg_common_set_sysfs(opts->common, true); - status = fsg_common_create_luns(opts->common, &config); - if (status) - goto fail_set_cdev; - - fsg_common_set_inquiry_string(opts->common, config.vendor_name, - config.product_name); - /* - * 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_string_ids; - 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, &acm_ms_config_driver, acm_ms_do_config); - if (status < 0) - goto fail_string_ids; - - usb_composite_overwrite_options(cdev, &coverwrite); - dev_info(&gadget->dev, "%s, version: " DRIVER_VERSION "\n", - DRIVER_DESC); - return 0; - - /* error recovery */ -fail_string_ids: - fsg_common_remove_luns(opts->common); -fail_set_cdev: - fsg_common_free_luns(opts->common); -fail_set_nluns: - fsg_common_free_buffers(opts->common); -fail: - usb_put_function_instance(fi_msg); -fail_get_msg: - usb_put_function_instance(f_acm_inst); - return status; -} - -static int __exit acm_ms_unbind(struct usb_composite_dev *cdev) -{ - usb_put_function(f_msg); - usb_put_function_instance(fi_msg); - usb_put_function(f_acm); - usb_put_function_instance(f_acm_inst); - return 0; -} - -static __refdata struct usb_composite_driver acm_ms_driver = { - .name = "g_acm_ms", - .dev = &device_desc, - .max_speed = USB_SPEED_SUPER, - .strings = dev_strings, - .bind = acm_ms_bind, - .unbind = __exit_p(acm_ms_unbind), -}; - -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_AUTHOR("Klaus Schwarzkopf <schwarzkopf@sensortherm.de>"); -MODULE_LICENSE("GPL v2"); - -static int __init init(void) -{ - return usb_composite_probe(&acm_ms_driver); -} -module_init(init); - -static void __exit cleanup(void) -{ - usb_composite_unregister(&acm_ms_driver); -} -module_exit(cleanup); |
