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usb: gadget: nokia: convert to new interface of f_obex

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preparation to use configfs-based approach on g_nokia.ko

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Andrzej Pietrasiewicz 2013-05-23 10:51:08 +02:00 committed by Felipe Balbi
parent 1af877c409
commit 3a34344979
2 changed files with 85 additions and 38 deletions
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1
drivers/usb/gadget/Kconfig
View File

@ -857,6 +857,7 @@ config USB_G_NOKIA
select USB_U_SERIAL
select USB_U_ETHER
select USB_F_ACM
select USB_F_OBEX
help
The Nokia composite gadget provides support for acm, obex
and phonet in only one composite gadget driver.

122
drivers/usb/gadget/nokia.c
View File

@ -16,6 +16,7 @@
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/device.h>
#include "u_serial.h"
@ -39,8 +40,6 @@
*/
#define USBF_ECM_INCLUDED
#include "f_ecm.c"
#define USBF_OBEX_INCLUDED
#include "f_obex.c"
#include "f_phonet.c"
#include "u_ether.h"
@ -102,16 +101,12 @@ MODULE_LICENSE("GPL");
static struct usb_function *f_acm_cfg1;
static struct usb_function *f_acm_cfg2;
static u8 host_mac[ETH_ALEN];
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 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,
@ -129,27 +124,51 @@ static struct usb_configuration nokia_config_100ma_driver = {
};
static struct usb_function_instance *fi_acm;
static struct usb_function_instance *fi_obex1;
static struct usb_function_instance *fi_obex2;
static int __init nokia_bind_config(struct usb_configuration *c)
{
struct usb_function *f_acm;
struct usb_function *f_obex1 = NULL;
struct usb_function *f_obex2 = NULL;
int status = 0;
int obex1_stat = 0;
int obex2_stat = 0;
status = phonet_bind_config(c);
if (status)
printk(KERN_DEBUG "could not bind phonet config\n");
pr_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);
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");
}
status = obex_bind_config(c, tty_lines[TTY_PORT_OBEX1]);
if (status)
printk(KERN_DEBUG "could not bind obex config %d\n", 0);
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))
return PTR_ERR(f_acm);
if (IS_ERR(f_acm)) {
status = PTR_ERR(f_acm);
goto err_get_acm;
}
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)
@ -160,16 +179,30 @@ static int __init nokia_bind_config(struct usb_configuration *c)
pr_debug("could not bind ecm config %d\n", status);
goto err_ecm;
}
if (c == &nokia_config_500ma_driver)
if (c == &nokia_config_500ma_driver) {
f_acm_cfg1 = f_acm;
else
f_obex1_cfg1 = f_obex1;
f_obex2_cfg1 = f_obex2;
} else {
f_acm_cfg2 = f_acm;
f_obex1_cfg2 = f_obex1;
f_obex2_cfg2 = f_obex2;
}
return status;
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);
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);
return status;
}
@ -177,18 +210,11 @@ 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, dev_addr, host_addr, host_mac,
qmult);
if (IS_ERR(the_dev)) {
@ -208,9 +234,17 @@ static int __init nokia_bind(struct usb_composite_dev *cdev)
if (!gadget_supports_altsettings(gadget))
goto err_usb;
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))
goto err_usb;
goto err_obex2_inst;
/* finally register the configuration */
status = usb_add_config(cdev, &nokia_config_500ma_driver,
@ -230,15 +264,20 @@ static int __init nokia_bind(struct usb_composite_dev *cdev)
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);
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);
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;
@ -246,16 +285,23 @@ err_phonet:
static int __exit nokia_unbind(struct usb_composite_dev *cdev)
{
int i;
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);
usb_put_function(f_acm_cfg1);
usb_put_function(f_acm_cfg2);
if (!IS_ERR(fi_obex1))
usb_put_function_instance(fi_obex1);
if (!IS_ERR(fi_obex2))
usb_put_function_instance(fi_obex2);
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;