280 lines
6.9 KiB
C
280 lines
6.9 KiB
C
/*
|
|
* 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
|
|
*
|
|
* This software is distributed under the terms of the GNU General
|
|
* Public License ("GPL") as published by the Free Software Foundation,
|
|
* version 2 of that License.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/device.h>
|
|
|
|
#include "u_serial.h"
|
|
#include "u_ether.h"
|
|
#include "u_phonet.h"
|
|
#include "gadget_chips.h"
|
|
|
|
/* Defines */
|
|
|
|
#define NOKIA_VERSION_NUM 0x0211
|
|
#define NOKIA_LONG_NAME "N900 (PC-Suite Mode)"
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
#define USBF_OBEX_INCLUDED
|
|
#include "f_ecm.c"
|
|
#include "f_obex.c"
|
|
#include "f_phonet.c"
|
|
#include "u_ether.c"
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
USB_GADGET_COMPOSITE_OPTIONS();
|
|
|
|
#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 = __constant_cpu_to_le16(0x0200),
|
|
.bDeviceClass = USB_CLASS_COMM,
|
|
.idVendor = __constant_cpu_to_le16(NOKIA_VENDOR_ID),
|
|
.idProduct = __constant_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 u8 hostaddr[ETH_ALEN];
|
|
static struct eth_dev *the_dev;
|
|
|
|
enum {
|
|
TTY_PORT_OBEX0,
|
|
TTY_PORT_OBEX1,
|
|
TTY_PORTS_MAX,
|
|
};
|
|
|
|
static unsigned char tty_lines[TTY_PORTS_MAX];
|
|
|
|
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 int __init nokia_bind_config(struct usb_configuration *c)
|
|
{
|
|
struct usb_function *f_acm;
|
|
int status = 0;
|
|
|
|
status = phonet_bind_config(c);
|
|
if (status)
|
|
printk(KERN_DEBUG "could not bind phonet config\n");
|
|
|
|
status = obex_bind_config(c, tty_lines[TTY_PORT_OBEX0]);
|
|
if (status)
|
|
printk(KERN_DEBUG "could not bind obex config %d\n", 0);
|
|
|
|
status = obex_bind_config(c, tty_lines[TTY_PORT_OBEX1]);
|
|
if (status)
|
|
printk(KERN_DEBUG "could not bind obex config %d\n", 0);
|
|
|
|
f_acm = usb_get_function(fi_acm);
|
|
if (IS_ERR(f_acm))
|
|
return PTR_ERR(f_acm);
|
|
|
|
status = usb_add_function(c, f_acm);
|
|
if (status)
|
|
goto err_conf;
|
|
|
|
status = ecm_bind_config(c, hostaddr, the_dev);
|
|
if (status) {
|
|
pr_debug("could not bind ecm config %d\n", status);
|
|
goto err_ecm;
|
|
}
|
|
if (c == &nokia_config_500ma_driver)
|
|
f_acm_cfg1 = f_acm;
|
|
else
|
|
f_acm_cfg2 = f_acm;
|
|
|
|
return status;
|
|
err_ecm:
|
|
usb_remove_function(c, f_acm);
|
|
err_conf:
|
|
usb_put_function(f_acm);
|
|
return status;
|
|
}
|
|
|
|
static int __init nokia_bind(struct usb_composite_dev *cdev)
|
|
{
|
|
struct usb_gadget *gadget = cdev->gadget;
|
|
int status;
|
|
int cur_line;
|
|
|
|
status = gphonet_setup(cdev->gadget);
|
|
if (status < 0)
|
|
goto err_phonet;
|
|
|
|
for (cur_line = 0; cur_line < TTY_PORTS_MAX; cur_line++) {
|
|
status = gserial_alloc_line(&tty_lines[cur_line]);
|
|
if (status)
|
|
goto err_ether;
|
|
}
|
|
|
|
the_dev = gether_setup(cdev->gadget, hostaddr);
|
|
if (IS_ERR(the_dev)) {
|
|
status = PTR_ERR(the_dev);
|
|
goto err_ether;
|
|
}
|
|
|
|
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_supports_altsettings(gadget))
|
|
goto err_usb;
|
|
|
|
fi_acm = usb_get_function_instance("acm");
|
|
if (IS_ERR(fi_acm))
|
|
goto err_usb;
|
|
|
|
/* finally register the configuration */
|
|
status = usb_add_config(cdev, &nokia_config_500ma_driver,
|
|
nokia_bind_config);
|
|
if (status < 0)
|
|
goto err_acm_inst;
|
|
|
|
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);
|
|
err_acm_inst:
|
|
usb_put_function_instance(fi_acm);
|
|
err_usb:
|
|
gether_cleanup(the_dev);
|
|
err_ether:
|
|
cur_line--;
|
|
while (cur_line >= 0)
|
|
gserial_free_line(tty_lines[cur_line--]);
|
|
|
|
gphonet_cleanup();
|
|
err_phonet:
|
|
return status;
|
|
}
|
|
|
|
static int __exit nokia_unbind(struct usb_composite_dev *cdev)
|
|
{
|
|
int i;
|
|
|
|
usb_put_function(f_acm_cfg1);
|
|
usb_put_function(f_acm_cfg2);
|
|
usb_put_function_instance(fi_acm);
|
|
gphonet_cleanup();
|
|
|
|
for (i = 0; i < TTY_PORTS_MAX; i++)
|
|
gserial_free_line(tty_lines[i]);
|
|
|
|
gether_cleanup(the_dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static __refdata struct usb_composite_driver nokia_driver = {
|
|
.name = "g_nokia",
|
|
.dev = &device_desc,
|
|
.strings = dev_strings,
|
|
.max_speed = USB_SPEED_HIGH,
|
|
.bind = nokia_bind,
|
|
.unbind = __exit_p(nokia_unbind),
|
|
};
|
|
|
|
static int __init nokia_init(void)
|
|
{
|
|
return usb_composite_probe(&nokia_driver);
|
|
}
|
|
module_init(nokia_init);
|
|
|
|
static void __exit nokia_cleanup(void)
|
|
{
|
|
usb_composite_unregister(&nokia_driver);
|
|
}
|
|
module_exit(nokia_cleanup);
|