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path: root/drivers/usb/serial/keyspan_pda.c
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Diffstat (limited to 'drivers/usb/serial/keyspan_pda.c')
-rw-r--r--drivers/usb/serial/keyspan_pda.c223
1 files changed, 63 insertions, 160 deletions
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index 7c62a704830..742d827f876 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -17,7 +17,6 @@
#include <linux/kernel.h>
#include <linux/errno.h>
-#include <linux/init.h>
#include <linux/slab.h>
#include <linux/tty.h>
#include <linux/tty_driver.h>
@@ -25,13 +24,10 @@
#include <linux/module.h>
#include <linux/spinlock.h>
#include <linux/workqueue.h>
-#include <linux/firmware.h>
-#include <linux/ihex.h>
#include <linux/uaccess.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>
-
-static bool debug;
+#include <linux/usb/ezusb.h>
/* make a simple define to handle if we are compiling keyspan_pda or xircom support */
#if defined(CONFIG_USB_SERIAL_KEYSPAN_PDA) || defined(CONFIG_USB_SERIAL_KEYSPAN_PDA_MODULE)
@@ -45,10 +41,6 @@ static bool debug;
#undef XIRCOM
#endif
-/*
- * Version Information
- */
-#define DRIVER_VERSION "v1.1"
#define DRIVER_AUTHOR "Brian Warner <warner@lothar.com>"
#define DRIVER_DESC "USB Keyspan PDA Converter driver"
@@ -86,14 +78,6 @@ static const struct usb_device_id id_table_combined[] = {
MODULE_DEVICE_TABLE(usb, id_table_combined);
-static struct usb_driver keyspan_pda_driver = {
- .name = "keyspan_pda",
- .probe = usb_serial_probe,
- .disconnect = usb_serial_disconnect,
- .id_table = id_table_combined,
- .no_dynamic_id = 1,
-};
-
static const struct usb_device_id id_table_std[] = {
{ USB_DEVICE(KEYSPAN_VENDOR_ID, KEYSPAN_PDA_ID) },
{ } /* Terminating entry */
@@ -119,10 +103,8 @@ static void keyspan_pda_wakeup_write(struct work_struct *work)
struct keyspan_pda_private *priv =
container_of(work, struct keyspan_pda_private, wakeup_work);
struct usb_serial_port *port = priv->port;
- struct tty_struct *tty = tty_port_tty_get(&port->port);
- if (tty)
- tty_wakeup(tty);
- tty_kref_put(tty);
+
+ tty_port_tty_wakeup(&port->port);
}
static void keyspan_pda_request_unthrottle(struct work_struct *work)
@@ -132,7 +114,6 @@ static void keyspan_pda_request_unthrottle(struct work_struct *work)
struct usb_serial *serial = priv->serial;
int result;
- dbg(" request_unthrottle");
/* ask the device to tell us when the tx buffer becomes
sufficiently empty */
result = usb_control_msg(serial->dev,
@@ -146,15 +127,14 @@ static void keyspan_pda_request_unthrottle(struct work_struct *work)
0,
2000);
if (result < 0)
- dbg("%s - error %d from usb_control_msg",
- __func__, result);
+ dev_dbg(&serial->dev->dev, "%s - error %d from usb_control_msg\n",
+ __func__, result);
}
static void keyspan_pda_rx_interrupt(struct urb *urb)
{
struct usb_serial_port *port = urb->context;
- struct tty_struct *tty;
unsigned char *data = urb->transfer_buffer;
int retval;
int status = urb->status;
@@ -169,30 +149,26 @@ static void keyspan_pda_rx_interrupt(struct urb *urb)
case -ENOENT:
case -ESHUTDOWN:
/* this urb is terminated, clean up */
- dbg("%s - urb shutting down with status: %d",
- __func__, status);
+ dev_dbg(&urb->dev->dev, "%s - urb shutting down with status: %d\n", __func__, status);
return;
default:
- dbg("%s - nonzero urb status received: %d",
- __func__, status);
+ dev_dbg(&urb->dev->dev, "%s - nonzero urb status received: %d\n", __func__, status);
goto exit;
}
/* see if the message is data or a status interrupt */
switch (data[0]) {
case 0:
- tty = tty_port_tty_get(&port->port);
/* rest of message is rx data */
- if (tty && urb->actual_length) {
- tty_insert_flip_string(tty, data + 1,
+ if (urb->actual_length) {
+ tty_insert_flip_string(&port->port, data + 1,
urb->actual_length - 1);
- tty_flip_buffer_push(tty);
+ tty_flip_buffer_push(&port->port);
}
- tty_kref_put(tty);
break;
case 1:
/* status interrupt */
- dbg(" rx int, d1=%d, d2=%d", data[1], data[2]);
+ dev_dbg(&port->dev, "rx int, d1=%d, d2=%d\n", data[1], data[2]);
switch (data[1]) {
case 1: /* modemline change */
break;
@@ -213,7 +189,7 @@ exit:
retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval)
dev_err(&port->dev,
- "%s - usb_submit_urb failed with result %d",
+ "%s - usb_submit_urb failed with result %d\n",
__func__, retval);
}
@@ -227,7 +203,7 @@ static void keyspan_pda_rx_throttle(struct tty_struct *tty)
send an XOFF, although it might make sense to foist that off
upon the device too. */
struct usb_serial_port *port = tty->driver_data;
- dbg("keyspan_pda_rx_throttle port %d", port->number);
+
usb_kill_urb(port->interrupt_in_urb);
}
@@ -236,9 +212,9 @@ static void keyspan_pda_rx_unthrottle(struct tty_struct *tty)
{
struct usb_serial_port *port = tty->driver_data;
/* just restart the receive interrupt URB */
- dbg("keyspan_pda_rx_unthrottle port %d", port->number);
+
if (usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL))
- dbg(" usb_submit_urb(read urb) failed");
+ dev_dbg(&port->dev, "usb_submit_urb(read urb) failed\n");
}
@@ -317,8 +293,8 @@ static void keyspan_pda_break_ctl(struct tty_struct *tty, int break_state)
USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_DIR_OUT,
value, 0, NULL, 0, 2000);
if (result < 0)
- dbg("%s - error %d from usb_control_msg",
- __func__, result);
+ dev_dbg(&port->dev, "%s - error %d from usb_control_msg\n",
+ __func__, result);
/* there is something funky about this.. the TCSBRK that 'cu' performs
ought to translate into a break_ctl(-1),break_ctl(0) pair HZ/4
seconds apart, but it feels like the break sent isn't as long as it
@@ -347,7 +323,7 @@ static void keyspan_pda_set_termios(struct tty_struct *tty,
7[EOMS]1: 10 bit, b0/b7 is parity
7[EOMS]2: 11 bit, b0/b7 is parity, extra bit always (mark?)
- HW flow control is dictated by the tty->termios->c_cflags & CRTSCTS
+ HW flow control is dictated by the tty->termios.c_cflags & CRTSCTS
bit.
For now, just do baud. */
@@ -356,13 +332,13 @@ static void keyspan_pda_set_termios(struct tty_struct *tty,
speed = keyspan_pda_setbaud(serial, speed);
if (speed == 0) {
- dbg("can't handle requested baud rate");
+ dev_dbg(&port->dev, "can't handle requested baud rate\n");
/* It hasn't changed so.. */
speed = tty_termios_baud_rate(old_termios);
}
/* Only speed can change so copy the old h/w parameters
then encode the new speed */
- tty_termios_copy_hw(tty->termios, old_termios);
+ tty_termios_copy_hw(&tty->termios, old_termios);
tty_encode_baud_rate(tty, speed, speed);
}
@@ -467,9 +443,8 @@ static int keyspan_pda_write(struct tty_struct *tty,
select() or poll() too) until we receive that unthrottle interrupt.
Block if we can't write anything at all, otherwise write as much as
we can. */
- dbg("keyspan_pda_write(%d)", count);
if (count == 0) {
- dbg(" write request of 0 bytes");
+ dev_dbg(&port->dev, "write request of 0 bytes\n");
return 0;
}
@@ -515,16 +490,16 @@ static int keyspan_pda_write(struct tty_struct *tty,
1,
2000);
if (rc > 0) {
- dbg(" roomquery says %d", *room);
+ dev_dbg(&port->dev, "roomquery says %d\n", *room);
priv->tx_room = *room;
}
kfree(room);
if (rc < 0) {
- dbg(" roomquery failed");
+ dev_dbg(&port->dev, "roomquery failed\n");
goto exit;
}
if (rc == 0) {
- dbg(" roomquery returned 0 bytes");
+ dev_dbg(&port->dev, "roomquery returned 0 bytes\n");
rc = -EIO; /* device didn't return any data */
goto exit;
}
@@ -546,7 +521,7 @@ static int keyspan_pda_write(struct tty_struct *tty,
rc = usb_submit_urb(port->write_urb, GFP_ATOMIC);
if (rc) {
- dbg(" usb_submit_urb(write bulk) failed");
+ dev_dbg(&port->dev, "usb_submit_urb(write bulk) failed\n");
goto exit;
}
} else {
@@ -617,12 +592,10 @@ static void keyspan_pda_dtr_rts(struct usb_serial_port *port, int on)
{
struct usb_serial *serial = port->serial;
- if (serial->dev) {
- if (on)
- keyspan_pda_set_modem_info(serial, (1<<7) | (1<< 2));
- else
- keyspan_pda_set_modem_info(serial, 0);
- }
+ if (on)
+ keyspan_pda_set_modem_info(serial, (1 << 7) | (1 << 2));
+ else
+ keyspan_pda_set_modem_info(serial, 0);
}
@@ -649,11 +622,11 @@ static int keyspan_pda_open(struct tty_struct *tty,
1,
2000);
if (rc < 0) {
- dbg("%s - roomquery failed", __func__);
+ dev_dbg(&port->dev, "%s - roomquery failed\n", __func__);
goto error;
}
if (rc == 0) {
- dbg("%s - roomquery returned 0 bytes", __func__);
+ dev_dbg(&port->dev, "%s - roomquery returned 0 bytes\n", __func__);
rc = -EIO;
goto error;
}
@@ -664,7 +637,7 @@ static int keyspan_pda_open(struct tty_struct *tty,
/*Start reading from the device*/
rc = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
if (rc) {
- dbg("%s - usb_submit_urb(read int) failed", __func__);
+ dev_dbg(&port->dev, "%s - usb_submit_urb(read int) failed\n", __func__);
goto error;
}
error:
@@ -673,13 +646,8 @@ error:
}
static void keyspan_pda_close(struct usb_serial_port *port)
{
- struct usb_serial *serial = port->serial;
-
- if (serial->dev) {
- /* shutdown our bulk reads and writes */
- usb_kill_urb(port->write_urb);
- usb_kill_urb(port->interrupt_in_urb);
- }
+ usb_kill_urb(port->write_urb);
+ usb_kill_urb(port->interrupt_in_urb);
}
@@ -688,11 +656,9 @@ static int keyspan_pda_fake_startup(struct usb_serial *serial)
{
int response;
const char *fw_name;
- const struct ihex_binrec *record;
- const struct firmware *fw;
/* download the firmware here ... */
- response = ezusb_set_reset(serial, 1);
+ response = ezusb_fx1_set_reset(serial->dev, 1);
if (0) { ; }
#ifdef KEYSPAN
@@ -709,30 +675,15 @@ static int keyspan_pda_fake_startup(struct usb_serial *serial)
__func__);
return -ENODEV;
}
- if (request_ihex_firmware(&fw, fw_name, &serial->dev->dev)) {
+
+ if (ezusb_fx1_ihex_firmware_download(serial->dev, fw_name) < 0) {
dev_err(&serial->dev->dev, "failed to load firmware \"%s\"\n",
fw_name);
return -ENOENT;
}
- record = (const struct ihex_binrec *)fw->data;
-
- while (record) {
- response = ezusb_writememory(serial, be32_to_cpu(record->addr),
- (unsigned char *)record->data,
- be16_to_cpu(record->len), 0xa0);
- if (response < 0) {
- dev_err(&serial->dev->dev, "ezusb_writememory failed "
- "for Keyspan PDA firmware (%d %04X %p %d)\n",
- response, be32_to_cpu(record->addr),
- record->data, be16_to_cpu(record->len));
- break;
- }
- record = ihex_next_binrec(record);
- }
- release_firmware(fw);
- /* bring device out of reset. Renumeration will occur in a moment
- and the new device will bind to the real driver */
- response = ezusb_set_reset(serial, 0);
+
+ /* after downloading firmware Renumeration will occur in a
+ moment and the new device will bind to the real driver */
/* we want this device to fail to have a driver assigned to it. */
return 1;
@@ -745,31 +696,33 @@ MODULE_FIRMWARE("keyspan_pda/keyspan_pda.fw");
MODULE_FIRMWARE("keyspan_pda/xircom_pgs.fw");
#endif
-static int keyspan_pda_startup(struct usb_serial *serial)
+static int keyspan_pda_port_probe(struct usb_serial_port *port)
{
struct keyspan_pda_private *priv;
- /* allocate the private data structures for all ports. Well, for all
- one ports. */
-
priv = kmalloc(sizeof(struct keyspan_pda_private), GFP_KERNEL);
if (!priv)
- return 1; /* error */
- usb_set_serial_port_data(serial->port[0], priv);
- init_waitqueue_head(&serial->port[0]->write_wait);
+ return -ENOMEM;
+
INIT_WORK(&priv->wakeup_work, keyspan_pda_wakeup_write);
INIT_WORK(&priv->unthrottle_work, keyspan_pda_request_unthrottle);
- priv->serial = serial;
- priv->port = serial->port[0];
+ priv->serial = port->serial;
+ priv->port = port;
+
+ usb_set_serial_port_data(port, priv);
+
return 0;
}
-static void keyspan_pda_release(struct usb_serial *serial)
+static int keyspan_pda_port_remove(struct usb_serial_port *port)
{
- dbg("%s", __func__);
+ struct keyspan_pda_private *priv;
+
+ priv = usb_get_serial_port_data(port);
+ kfree(priv);
- kfree(usb_get_serial_port_data(serial->port[0]));
+ return 0;
}
#ifdef KEYSPAN
@@ -779,7 +732,6 @@ static struct usb_serial_driver keyspan_pda_fake_device = {
.name = "keyspan_pda_pre",
},
.description = "Keyspan PDA - (prerenumeration)",
- .usb_driver = &keyspan_pda_driver,
.id_table = id_table_fake,
.num_ports = 1,
.attach = keyspan_pda_fake_startup,
@@ -793,7 +745,6 @@ static struct usb_serial_driver xircom_pgs_fake_device = {
.name = "xircom_no_firm",
},
.description = "Xircom / Entregra PGS - (prerenumeration)",
- .usb_driver = &keyspan_pda_driver,
.id_table = id_table_fake_xircom,
.num_ports = 1,
.attach = keyspan_pda_fake_startup,
@@ -806,7 +757,6 @@ static struct usb_serial_driver keyspan_pda_device = {
.name = "keyspan_pda",
},
.description = "Keyspan PDA",
- .usb_driver = &keyspan_pda_driver,
.id_table = id_table_std,
.num_ports = 1,
.dtr_rts = keyspan_pda_dtr_rts,
@@ -823,70 +773,23 @@ static struct usb_serial_driver keyspan_pda_device = {
.break_ctl = keyspan_pda_break_ctl,
.tiocmget = keyspan_pda_tiocmget,
.tiocmset = keyspan_pda_tiocmset,
- .attach = keyspan_pda_startup,
- .release = keyspan_pda_release,
+ .port_probe = keyspan_pda_port_probe,
+ .port_remove = keyspan_pda_port_remove,
};
-
-static int __init keyspan_pda_init(void)
-{
- int retval;
- retval = usb_serial_register(&keyspan_pda_device);
- if (retval)
- goto failed_pda_register;
+static struct usb_serial_driver * const serial_drivers[] = {
+ &keyspan_pda_device,
#ifdef KEYSPAN
- retval = usb_serial_register(&keyspan_pda_fake_device);
- if (retval)
- goto failed_pda_fake_register;
-#endif
-#ifdef XIRCOM
- retval = usb_serial_register(&xircom_pgs_fake_device);
- if (retval)
- goto failed_xircom_register;
+ &keyspan_pda_fake_device,
#endif
- retval = usb_register(&keyspan_pda_driver);
- if (retval)
- goto failed_usb_register;
- printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
- DRIVER_DESC "\n");
- return 0;
-failed_usb_register:
#ifdef XIRCOM
- usb_serial_deregister(&xircom_pgs_fake_device);
-failed_xircom_register:
-#endif /* XIRCOM */
-#ifdef KEYSPAN
- usb_serial_deregister(&keyspan_pda_fake_device);
-#endif
-#ifdef KEYSPAN
-failed_pda_fake_register:
+ &xircom_pgs_fake_device,
#endif
- usb_serial_deregister(&keyspan_pda_device);
-failed_pda_register:
- return retval;
-}
-
-
-static void __exit keyspan_pda_exit(void)
-{
- usb_deregister(&keyspan_pda_driver);
- usb_serial_deregister(&keyspan_pda_device);
-#ifdef KEYSPAN
- usb_serial_deregister(&keyspan_pda_fake_device);
-#endif
-#ifdef XIRCOM
- usb_serial_deregister(&xircom_pgs_fake_device);
-#endif
-}
-
+ NULL
+};
-module_init(keyspan_pda_init);
-module_exit(keyspan_pda_exit);
+module_usb_serial_driver(serial_drivers, id_table_combined);
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");
-