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linux_dsm_epyc7002/drivers/usb/gadget/legacy/nokia.c
Greg Kroah-Hartman d7e2853679 USB: gadget: legacy: Remove redundant license text 
Now that the SPDX tag is in all USB files, that identifies the license
in a specific and legally-defined manner.  So the extra GPL text wording
can be removed as it is no longer needed at all.

This is done on a quest to remove the 700+ different ways that files in
the kernel describe the GPL license text.  And there's unneeded stuff
like the address (sometimes incorrect) for the FSF which is never
needed.

No copyright headers or other non-license-description text was removed.

Cc: Johan Hovold <johan@kernel.org>
Cc: Ruslan Bilovol <ruslan.bilovol@gmail.com>
Cc: Peter Chen <peter.chen@nxp.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: David Windsor <dwindsor@gmail.com>
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-07 15:45:02 +01:00

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// SPDX-License-Identifier: GPL-2.0
/*
* nokia.c -- Nokia Composite Gadget Driver
*
* Copyright (C) 2008-2010 Nokia Corporation
* Contact: Felipe Balbi <felipe.balbi@nokia.com>
*
* 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
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/device.h>
#include "u_serial.h"
#include "u_ether.h"
#include "u_phonet.h"
#include "u_ecm.h"
#include "f_mass_storage.h"
/* Defines */
#define NOKIA_VERSION_NUM 0x0211
#define NOKIA_LONG_NAME "N900 (PC-Suite Mode)"
USB_GADGET_COMPOSITE_OPTIONS();
USB_ETHERNET_MODULE_PARAMETERS();
static struct fsg_module_parameters fsg_mod_data = {
.stall = 0,
.luns = 2,
.removable_count = 2,
.removable = { 1, 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_DEBUG */
FSG_MODULE_PARAMETERS(/* no prefix */, fsg_mod_data);
#define NOKIA_VENDOR_ID 0x0421 /* Nokia */
#define NOKIA_PRODUCT_ID 0x01c8 /* Nokia Gadget */
/* string IDs are assigned dynamically */
#define STRING_DESCRIPTION_IDX USB_GADGET_FIRST_AVAIL_IDX
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[] = {
[USB_GADGET_MANUFACTURER_IDX].s = manufacturer_nokia,
[USB_GADGET_PRODUCT_IDX].s = NOKIA_LONG_NAME,
[USB_GADGET_SERIAL_IDX].s = "",
[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 = DYNAMIC */
.bDeviceClass = USB_CLASS_COMM,
.idVendor = cpu_to_le16(NOKIA_VENDOR_ID),
.idProduct = cpu_to_le16(NOKIA_PRODUCT_ID),
.bcdDevice = cpu_to_le16(NOKIA_VERSION_NUM),
/* .iManufacturer = DYNAMIC */
/* .iProduct = DYNAMIC */
.bNumConfigurations = 1,
};
/*-------------------------------------------------------------------------*/
/* Module */
MODULE_DESCRIPTION("Nokia composite gadget driver for N900");
MODULE_AUTHOR("Felipe Balbi");
MODULE_LICENSE("GPL");
/*-------------------------------------------------------------------------*/
static struct usb_function *f_acm_cfg1;
static struct usb_function *f_acm_cfg2;
static struct usb_function *f_ecm_cfg1;
static struct usb_function *f_ecm_cfg2;
static struct usb_function *f_obex1_cfg1;
static struct usb_function *f_obex2_cfg1;
static struct usb_function *f_obex1_cfg2;
static struct usb_function *f_obex2_cfg2;
static struct usb_function *f_phonet_cfg1;
static struct usb_function *f_phonet_cfg2;
static struct usb_function *f_msg_cfg1;
static struct usb_function *f_msg_cfg2;
static struct usb_configuration nokia_config_500ma_driver = {
.label = "Bus Powered",
.bConfigurationValue = 1,
/* .iConfiguration = DYNAMIC */
.bmAttributes = USB_CONFIG_ATT_ONE,
.MaxPower = 500,
};
static struct usb_configuration nokia_config_100ma_driver = {
.label = "Self Powered",
.bConfigurationValue = 2,
/* .iConfiguration = DYNAMIC */
.bmAttributes = USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER,
.MaxPower = 100,
};
static struct usb_function_instance *fi_acm;
static struct usb_function_instance *fi_ecm;
static struct usb_function_instance *fi_obex1;
static struct usb_function_instance *fi_obex2;
static struct usb_function_instance *fi_phonet;
static struct usb_function_instance *fi_msg;
static int nokia_bind_config(struct usb_configuration *c)
{
struct usb_function *f_acm;
struct usb_function *f_phonet = NULL;
struct usb_function *f_obex1 = NULL;
struct usb_function *f_ecm;
struct usb_function *f_obex2 = NULL;
struct usb_function *f_msg;
int status = 0;
int obex1_stat = -1;
int obex2_stat = -1;
int phonet_stat = -1;
if (!IS_ERR(fi_phonet)) {
f_phonet = usb_get_function(fi_phonet);
if (IS_ERR(f_phonet))
pr_debug("could not get phonet function\n");
}
if (!IS_ERR(fi_obex1)) {
f_obex1 = usb_get_function(fi_obex1);
if (IS_ERR(f_obex1))
pr_debug("could not get obex function 0\n");
}
if (!IS_ERR(fi_obex2)) {
f_obex2 = usb_get_function(fi_obex2);
if (IS_ERR(f_obex2))
pr_debug("could not get obex function 1\n");
}
f_acm = usb_get_function(fi_acm);
if (IS_ERR(f_acm)) {
status = PTR_ERR(f_acm);
goto err_get_acm;
}
f_ecm = usb_get_function(fi_ecm);
if (IS_ERR(f_ecm)) {
status = PTR_ERR(f_ecm);
goto err_get_ecm;
}
f_msg = usb_get_function(fi_msg);
if (IS_ERR(f_msg)) {
status = PTR_ERR(f_msg);
goto err_get_msg;
}
if (!IS_ERR_OR_NULL(f_phonet)) {
phonet_stat = usb_add_function(c, f_phonet);
if (phonet_stat)
pr_debug("could not add phonet function\n");
}
if (!IS_ERR_OR_NULL(f_obex1)) {
obex1_stat = usb_add_function(c, f_obex1);
if (obex1_stat)
pr_debug("could not add obex function 0\n");
}
if (!IS_ERR_OR_NULL(f_obex2)) {
obex2_stat = usb_add_function(c, f_obex2);
if (obex2_stat)
pr_debug("could not add obex function 1\n");
}
status = usb_add_function(c, f_acm);
if (status)
goto err_conf;
status = usb_add_function(c, f_ecm);
if (status) {
pr_debug("could not bind ecm config %d\n", status);
goto err_ecm;
}
status = usb_add_function(c, f_msg);
if (status)
goto err_msg;
if (c == &nokia_config_500ma_driver) {
f_acm_cfg1 = f_acm;
f_ecm_cfg1 = f_ecm;
f_phonet_cfg1 = f_phonet;
f_obex1_cfg1 = f_obex1;
f_obex2_cfg1 = f_obex2;
f_msg_cfg1 = f_msg;
} else {
f_acm_cfg2 = f_acm;
f_ecm_cfg2 = f_ecm;
f_phonet_cfg2 = f_phonet;
f_obex1_cfg2 = f_obex1;
f_obex2_cfg2 = f_obex2;
f_msg_cfg2 = f_msg;
}
return status;
err_msg:
usb_remove_function(c, f_ecm);
err_ecm:
usb_remove_function(c, f_acm);
err_conf:
if (!obex2_stat)
usb_remove_function(c, f_obex2);
if (!obex1_stat)
usb_remove_function(c, f_obex1);
if (!phonet_stat)
usb_remove_function(c, f_phonet);
usb_put_function(f_msg);
err_get_msg:
usb_put_function(f_ecm);
err_get_ecm:
usb_put_function(f_acm);
err_get_acm:
if (!IS_ERR_OR_NULL(f_obex2))
usb_put_function(f_obex2);
if (!IS_ERR_OR_NULL(f_obex1))
usb_put_function(f_obex1);
if (!IS_ERR_OR_NULL(f_phonet))
usb_put_function(f_phonet);
return status;
}
static int nokia_bind(struct usb_composite_dev *cdev)
{
struct usb_gadget *gadget = cdev->gadget;
struct fsg_opts *fsg_opts;
struct fsg_config fsg_config;
int status;
status = usb_string_ids_tab(cdev, strings_dev);
if (status < 0)
goto err_usb;
device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id;
device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id;
status = strings_dev[STRING_DESCRIPTION_IDX].id;
nokia_config_500ma_driver.iConfiguration = status;
nokia_config_100ma_driver.iConfiguration = status;
if (!gadget_is_altset_supported(gadget)) {
status = -ENODEV;
goto err_usb;
}
fi_phonet = usb_get_function_instance("phonet");
if (IS_ERR(fi_phonet))
pr_debug("could not find phonet function\n");
fi_obex1 = usb_get_function_instance("obex");
if (IS_ERR(fi_obex1))
pr_debug("could not find obex function 1\n");
fi_obex2 = usb_get_function_instance("obex");
if (IS_ERR(fi_obex2))
pr_debug("could not find obex function 2\n");
fi_acm = usb_get_function_instance("acm");
if (IS_ERR(fi_acm)) {
status = PTR_ERR(fi_acm);
goto err_obex2_inst;
}
fi_ecm = usb_get_function_instance("ecm");
if (IS_ERR(fi_ecm)) {
status = PTR_ERR(fi_ecm);
goto err_acm_inst;
}
fi_msg = usb_get_function_instance("mass_storage");
if (IS_ERR(fi_msg)) {
status = PTR_ERR(fi_msg);
goto err_ecm_inst;
}
/* set up mass storage function */
fsg_config_from_params(&fsg_config, &fsg_mod_data, fsg_num_buffers);
fsg_config.vendor_name = "Nokia";
fsg_config.product_name = "N900";
fsg_opts = fsg_opts_from_func_inst(fi_msg);
fsg_opts->no_configfs = true;
status = fsg_common_set_num_buffers(fsg_opts->common, fsg_num_buffers);
if (status)
goto err_msg_inst;
status = fsg_common_set_cdev(fsg_opts->common, cdev, fsg_config.can_stall);
if (status)
goto err_msg_buf;
fsg_common_set_sysfs(fsg_opts->common, true);
status = fsg_common_create_luns(fsg_opts->common, &fsg_config);
if (status)
goto err_msg_buf;
fsg_common_set_inquiry_string(fsg_opts->common, fsg_config.vendor_name,
fsg_config.product_name);
/* finally register the configuration */
status = usb_add_config(cdev, &nokia_config_500ma_driver,
nokia_bind_config);
if (status < 0)
goto err_msg_luns;
status = usb_add_config(cdev, &nokia_config_100ma_driver,
nokia_bind_config);
if (status < 0)
goto err_put_cfg1;
usb_composite_overwrite_options(cdev, &coverwrite);
dev_info(&gadget->dev, "%s\n", NOKIA_LONG_NAME);
return 0;
err_put_cfg1:
usb_put_function(f_acm_cfg1);
if (!IS_ERR_OR_NULL(f_obex1_cfg1))
usb_put_function(f_obex1_cfg1);
if (!IS_ERR_OR_NULL(f_obex2_cfg1))
usb_put_function(f_obex2_cfg1);
if (!IS_ERR_OR_NULL(f_phonet_cfg1))
usb_put_function(f_phonet_cfg1);
usb_put_function(f_ecm_cfg1);
err_msg_luns:
fsg_common_remove_luns(fsg_opts->common);
err_msg_buf:
fsg_common_free_buffers(fsg_opts->common);
err_msg_inst:
usb_put_function_instance(fi_msg);
err_ecm_inst:
usb_put_function_instance(fi_ecm);
err_acm_inst:
usb_put_function_instance(fi_acm);
err_obex2_inst:
if (!IS_ERR(fi_obex2))
usb_put_function_instance(fi_obex2);
if (!IS_ERR(fi_obex1))
usb_put_function_instance(fi_obex1);
if (!IS_ERR(fi_phonet))
usb_put_function_instance(fi_phonet);
err_usb:
return status;
}
static int nokia_unbind(struct usb_composite_dev *cdev)
{
if (!IS_ERR_OR_NULL(f_obex1_cfg2))
usb_put_function(f_obex1_cfg2);
if (!IS_ERR_OR_NULL(f_obex2_cfg2))
usb_put_function(f_obex2_cfg2);
if (!IS_ERR_OR_NULL(f_obex1_cfg1))
usb_put_function(f_obex1_cfg1);
if (!IS_ERR_OR_NULL(f_obex2_cfg1))
usb_put_function(f_obex2_cfg1);
if (!IS_ERR_OR_NULL(f_phonet_cfg1))
usb_put_function(f_phonet_cfg1);
if (!IS_ERR_OR_NULL(f_phonet_cfg2))
usb_put_function(f_phonet_cfg2);
usb_put_function(f_acm_cfg1);
usb_put_function(f_acm_cfg2);
usb_put_function(f_ecm_cfg1);
usb_put_function(f_ecm_cfg2);
usb_put_function(f_msg_cfg1);
usb_put_function(f_msg_cfg2);
usb_put_function_instance(fi_msg);
usb_put_function_instance(fi_ecm);
if (!IS_ERR(fi_obex2))
usb_put_function_instance(fi_obex2);
if (!IS_ERR(fi_obex1))
usb_put_function_instance(fi_obex1);
if (!IS_ERR(fi_phonet))
usb_put_function_instance(fi_phonet);
usb_put_function_instance(fi_acm);
return 0;
}
static struct usb_composite_driver nokia_driver = {
.name = "g_nokia",
.dev = &device_desc,
.strings = dev_strings,
.max_speed = USB_SPEED_HIGH,
.bind = nokia_bind,
.unbind = nokia_unbind,
};
module_usb_composite_driver(nokia_driver);
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