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path: root/drivers/usb/serial/ipw.c
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Diffstat (limited to 'drivers/usb/serial/ipw.c')
-rw-r--r--drivers/usb/serial/ipw.c150
1 files changed, 64 insertions, 86 deletions
diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c
index ca77e88836b..8b1cf18a668 100644
--- a/drivers/usb/serial/ipw.c
+++ b/drivers/usb/serial/ipw.c
@@ -38,7 +38,6 @@
#include <linux/kernel.h>
#include <linux/errno.h>
-#include <linux/init.h>
#include <linux/slab.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
@@ -47,11 +46,8 @@
#include <linux/usb.h>
#include <linux/usb/serial.h>
#include <linux/uaccess.h>
+#include "usb-wwan.h"
-/*
- * Version Information
- */
-#define DRIVER_VERSION "v0.4"
#define DRIVER_AUTHOR "Roelf Diedericks"
#define DRIVER_DESC "IPWireless tty driver"
@@ -131,32 +127,20 @@ enum {
#define IPW_WANTS_TO_SEND 0x30
-static const struct usb_device_id usb_ipw_ids[] = {
+static const struct usb_device_id id_table[] = {
{ USB_DEVICE(IPW_VID, IPW_PID) },
{ },
};
-
-MODULE_DEVICE_TABLE(usb, usb_ipw_ids);
-
-static struct usb_driver usb_ipw_driver = {
- .name = "ipwtty",
- .probe = usb_serial_probe,
- .disconnect = usb_serial_disconnect,
- .id_table = usb_ipw_ids,
- .no_dynamic_id = 1,
-};
-
-static int debug;
+MODULE_DEVICE_TABLE(usb, id_table);
static int ipw_open(struct tty_struct *tty, struct usb_serial_port *port)
{
- struct usb_device *dev = port->serial->dev;
+ struct usb_device *udev = port->serial->dev;
+ struct device *dev = &port->dev;
u8 buf_flow_static[16] = IPW_BYTES_FLOWINIT;
u8 *buf_flow_init;
int result;
- dbg("%s", __func__);
-
buf_flow_init = kmemdup(buf_flow_static, 16, GFP_KERNEL);
if (!buf_flow_init)
return -ENOMEM;
@@ -164,8 +148,8 @@ static int ipw_open(struct tty_struct *tty, struct usb_serial_port *port)
/* --1: Tell the modem to initialize (we think) From sniffs this is
* always the first thing that gets sent to the modem during
* opening of the device */
- dbg("%s: Sending SIO_INIT (we guess)", __func__);
- result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
+ dev_dbg(dev, "%s: Sending SIO_INIT (we guess)\n", __func__);
+ result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
IPW_SIO_INIT,
USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_DIR_OUT,
0,
@@ -174,22 +158,19 @@ static int ipw_open(struct tty_struct *tty, struct usb_serial_port *port)
0,
100000);
if (result < 0)
- dev_err(&port->dev,
- "Init of modem failed (error = %d)\n", result);
+ dev_err(dev, "Init of modem failed (error = %d)\n", result);
/* reset the bulk pipes */
- usb_clear_halt(dev,
- usb_rcvbulkpipe(dev, port->bulk_in_endpointAddress));
- usb_clear_halt(dev,
- usb_sndbulkpipe(dev, port->bulk_out_endpointAddress));
+ usb_clear_halt(udev, usb_rcvbulkpipe(udev, port->bulk_in_endpointAddress));
+ usb_clear_halt(udev, usb_sndbulkpipe(udev, port->bulk_out_endpointAddress));
/*--2: Start reading from the device */
- dbg("%s: setting up bulk read callback", __func__);
- usb_serial_generic_open(tty, port);
+ dev_dbg(dev, "%s: setting up bulk read callback\n", __func__);
+ usb_wwan_open(tty, port);
/*--3: Tell the modem to open the floodgates on the rx bulk channel */
- dbg("%s:asking modem for RxRead (RXBULK_ON)", __func__);
- result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
+ dev_dbg(dev, "%s:asking modem for RxRead (RXBULK_ON)\n", __func__);
+ result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
IPW_SIO_RXCTL,
USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_DIR_OUT,
IPW_RXBULK_ON,
@@ -198,12 +179,11 @@ static int ipw_open(struct tty_struct *tty, struct usb_serial_port *port)
0,
100000);
if (result < 0)
- dev_err(&port->dev,
- "Enabling bulk RxRead failed (error = %d)\n", result);
+ dev_err(dev, "Enabling bulk RxRead failed (error = %d)\n", result);
/*--4: setup the initial flowcontrol */
- dbg("%s:setting init flowcontrol (%s)", __func__, buf_flow_init);
- result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
+ dev_dbg(dev, "%s:setting init flowcontrol (%s)\n", __func__, buf_flow_init);
+ result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
IPW_SIO_HANDFLOW,
USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_DIR_OUT,
0,
@@ -212,21 +192,42 @@ static int ipw_open(struct tty_struct *tty, struct usb_serial_port *port)
0x10,
200000);
if (result < 0)
- dev_err(&port->dev,
- "initial flowcontrol failed (error = %d)\n", result);
+ dev_err(dev, "initial flowcontrol failed (error = %d)\n", result);
kfree(buf_flow_init);
return 0;
}
+static int ipw_attach(struct usb_serial *serial)
+{
+ struct usb_wwan_intf_private *data;
+
+ data = kzalloc(sizeof(struct usb_wwan_intf_private), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ spin_lock_init(&data->susp_lock);
+ usb_set_serial_data(serial, data);
+ return 0;
+}
+
+static void ipw_release(struct usb_serial *serial)
+{
+ struct usb_wwan_intf_private *data = usb_get_serial_data(serial);
+
+ usb_set_serial_data(serial, NULL);
+ kfree(data);
+}
+
static void ipw_dtr_rts(struct usb_serial_port *port, int on)
{
- struct usb_device *dev = port->serial->dev;
+ struct usb_device *udev = port->serial->dev;
+ struct device *dev = &port->dev;
int result;
- dbg("%s: on = %d", __func__, on);
+ dev_dbg(dev, "%s: on = %d\n", __func__, on);
- result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
+ result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
IPW_SIO_SET_PIN,
USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_DIR_OUT,
on ? IPW_PIN_SETDTR : IPW_PIN_CLRDTR,
@@ -235,10 +236,9 @@ static void ipw_dtr_rts(struct usb_serial_port *port, int on)
0,
200000);
if (result < 0)
- dev_err(&port->dev, "setting dtr failed (error = %d)\n",
- result);
+ dev_err(dev, "setting dtr failed (error = %d)\n", result);
- result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
+ result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
IPW_SIO_SET_PIN, USB_TYPE_VENDOR |
USB_RECIP_INTERFACE | USB_DIR_OUT,
on ? IPW_PIN_SETRTS : IPW_PIN_CLRRTS,
@@ -247,18 +247,18 @@ static void ipw_dtr_rts(struct usb_serial_port *port, int on)
0,
200000);
if (result < 0)
- dev_err(&port->dev, "setting rts failed (error = %d)\n",
- result);
+ dev_err(dev, "setting rts failed (error = %d)\n", result);
}
static void ipw_close(struct usb_serial_port *port)
{
- struct usb_device *dev = port->serial->dev;
+ struct usb_device *udev = port->serial->dev;
+ struct device *dev = &port->dev;
int result;
/*--3: purge */
- dbg("%s:sending purge", __func__);
- result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
+ dev_dbg(dev, "%s:sending purge\n", __func__);
+ result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
IPW_SIO_PURGE, USB_TYPE_VENDOR |
USB_RECIP_INTERFACE | USB_DIR_OUT,
0x03,
@@ -267,12 +267,12 @@ static void ipw_close(struct usb_serial_port *port)
0,
200000);
if (result < 0)
- dev_err(&port->dev, "purge failed (error = %d)\n", result);
+ dev_err(dev, "purge failed (error = %d)\n", result);
/* send RXBULK_off (tell modem to stop transmitting bulk data on
rx chan) */
- result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
+ result = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
IPW_SIO_RXCTL,
USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_DIR_OUT,
IPW_RXBULK_OFF,
@@ -282,10 +282,9 @@ static void ipw_close(struct usb_serial_port *port)
100000);
if (result < 0)
- dev_err(&port->dev,
- "Disabling bulk RxRead failed (error = %d)\n", result);
+ dev_err(dev, "Disabling bulk RxRead failed (error = %d)\n", result);
- usb_serial_generic_close(port);
+ usb_wwan_close(port);
}
static struct usb_serial_driver ipw_device = {
@@ -294,46 +293,25 @@ static struct usb_serial_driver ipw_device = {
.name = "ipw",
},
.description = "IPWireless converter",
- .usb_driver = &usb_ipw_driver,
- .id_table = usb_ipw_ids,
+ .id_table = id_table,
.num_ports = 1,
.open = ipw_open,
.close = ipw_close,
+ .attach = ipw_attach,
+ .release = ipw_release,
+ .port_probe = usb_wwan_port_probe,
+ .port_remove = usb_wwan_port_remove,
.dtr_rts = ipw_dtr_rts,
+ .write = usb_wwan_write,
};
+static struct usb_serial_driver * const serial_drivers[] = {
+ &ipw_device, NULL
+};
-
-static int __init usb_ipw_init(void)
-{
- int retval;
-
- retval = usb_serial_register(&ipw_device);
- if (retval)
- return retval;
- retval = usb_register(&usb_ipw_driver);
- if (retval) {
- usb_serial_deregister(&ipw_device);
- return retval;
- }
- printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
- DRIVER_DESC "\n");
- return 0;
-}
-
-static void __exit usb_ipw_exit(void)
-{
- usb_deregister(&usb_ipw_driver);
- usb_serial_deregister(&ipw_device);
-}
-
-module_init(usb_ipw_init);
-module_exit(usb_ipw_exit);
+module_usb_serial_driver(serial_drivers, id_table);
/* Module information */
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
-
-module_param(debug, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(debug, "Debug enabled or not");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-04 20:02:59 +0000