#include <linux/module.h>
#include <linux/spinlock.h>
#include <linux/workqueue.h>
+#include <linux/firmware.h>
+#include <linux/ihex.h>
#include <asm/uaccess.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>
static int debug;
-struct ezusb_hex_record {
- __u16 address;
- __u8 data_size;
- __u8 data[16];
-};
-
/* 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)
#define KEYSPAN
#undef XIRCOM
#endif
-#ifdef KEYSPAN
-#include "keyspan_pda_fw.h"
-#endif
-
-#ifdef XIRCOM
-#include "xircom_pgs_fw.h"
-#endif
-
/*
* Version Information
*/
2000);
if (result < 0)
dbg("%s - error %d from usb_control_msg",
- __FUNCTION__, result);
+ __func__, result);
}
static void keyspan_pda_rx_interrupt (struct urb *urb)
{
- struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
+ struct usb_serial_port *port = urb->context;
struct tty_struct *tty = port->tty;
unsigned char *data = urb->transfer_buffer;
int i;
case -ESHUTDOWN:
/* this urb is terminated, clean up */
dbg("%s - urb shutting down with status: %d",
- __FUNCTION__, status);
+ __func__, status);
return;
default:
dbg("%s - nonzero urb status received: %d",
- __FUNCTION__, status);
+ __func__, status);
goto exit;
}
retval = usb_submit_urb (urb, GFP_ATOMIC);
if (retval)
err ("%s - usb_submit_urb failed with result %d",
- __FUNCTION__, retval);
+ __func__, retval);
}
}
-static int keyspan_pda_setbaud (struct usb_serial *serial, int baud)
+static speed_t keyspan_pda_setbaud (struct usb_serial *serial, speed_t baud)
{
int rc;
int bindex;
case 38400: bindex = 7; break;
case 57600: bindex = 8; break;
case 115200: bindex = 9; break;
- default: return -EINVAL;
+ default:
+ bindex = 5; /* Default to 9600 */
+ baud = 9600;
}
/* rather than figure out how to sleep while waiting for this
NULL, /* &data */
0, /* size */
2000); /* timeout */
- return(rc);
+ if (rc < 0)
+ return 0;
+ return baud;
}
value, 0, NULL, 0, 2000);
if (result < 0)
dbg("%s - error %d from usb_control_msg",
- __FUNCTION__, result);
+ __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
struct ktermios *old_termios)
{
struct usb_serial *serial = port->serial;
- unsigned int cflag = port->tty->termios->c_cflag;
+ speed_t speed;
/* cflag specifies lots of stuff: number of stop bits, parity, number
of data bits, baud. What can the device actually handle?:
For now, just do baud. */
- switch (cflag & CBAUD) {
- /* we could support more values here, just need to calculate
- the necessary divisors in the firmware. <asm/termbits.h>
- has the Bnnn constants. */
- case B110: keyspan_pda_setbaud(serial, 110); break;
- case B300: keyspan_pda_setbaud(serial, 300); break;
- case B1200: keyspan_pda_setbaud(serial, 1200); break;
- case B2400: keyspan_pda_setbaud(serial, 2400); break;
- case B4800: keyspan_pda_setbaud(serial, 4800); break;
- case B9600: keyspan_pda_setbaud(serial, 9600); break;
- case B19200: keyspan_pda_setbaud(serial, 19200); break;
- case B38400: keyspan_pda_setbaud(serial, 38400); break;
- case B57600: keyspan_pda_setbaud(serial, 57600); break;
- case B115200: keyspan_pda_setbaud(serial, 115200); break;
- default: dbg("can't handle requested baud rate"); break;
+ speed = tty_get_baud_rate(port->tty);
+ speed = keyspan_pda_setbaud(serial, speed);
+
+ if (speed == 0) {
+ dbg("can't handle requested baud rate");
+ /* 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(port->tty->termios, old_termios);
+ tty_encode_baud_rate(port->tty, speed, speed);
}
static void keyspan_pda_write_bulk_callback (struct urb *urb)
{
- struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
+ struct usb_serial_port *port = urb->context;
struct keyspan_pda_private *priv;
port->write_urb_busy = 0;
static int keyspan_pda_chars_in_buffer (struct usb_serial_port *port)
{
struct keyspan_pda_private *priv;
+ unsigned long flags;
+ int ret = 0;
priv = usb_get_serial_port_data(port);
/* when throttled, return at least WAKEUP_CHARS to tell select() (via
n_tty.c:normal_poll() ) that we're not writeable. */
+
+ spin_lock_irqsave(&port->lock, flags);
if (port->write_urb_busy || priv->tx_throttled)
- return 256;
- return 0;
+ ret = 256;
+ spin_unlock_irqrestore(&port->lock, flags);
+ return ret;
}
1,
2000);
if (rc < 0) {
- dbg("%s - roomquery failed", __FUNCTION__);
+ dbg("%s - roomquery failed", __func__);
goto error;
}
if (rc == 0) {
- dbg("%s - roomquery returned 0 bytes", __FUNCTION__);
+ dbg("%s - roomquery returned 0 bytes", __func__);
rc = -EIO;
goto error;
}
port->interrupt_in_urb->dev = serial->dev;
rc = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
if (rc) {
- dbg("%s - usb_submit_urb(read int) failed", __FUNCTION__);
+ dbg("%s - usb_submit_urb(read int) failed", __func__);
goto error;
}
static int keyspan_pda_fake_startup (struct usb_serial *serial)
{
int response;
- const struct ezusb_hex_record *record = NULL;
+ const char *fw_name;
+ const struct ihex_binrec *record;
+ const struct firmware *fw;
/* download the firmware here ... */
response = ezusb_set_reset(serial, 1);
+ if (0) { ; }
#ifdef KEYSPAN
- if (le16_to_cpu(serial->dev->descriptor.idVendor) == KEYSPAN_VENDOR_ID)
- record = &keyspan_pda_firmware[0];
+ else if (le16_to_cpu(serial->dev->descriptor.idVendor) == KEYSPAN_VENDOR_ID)
+ fw_name = "keyspan_pda/keyspan_pda.fw";
#endif
#ifdef XIRCOM
- if ((le16_to_cpu(serial->dev->descriptor.idVendor) == XIRCOM_VENDOR_ID) ||
- (le16_to_cpu(serial->dev->descriptor.idVendor) == ENTREGRA_VENDOR_ID))
- record = &xircom_pgs_firmware[0];
+ else if ((le16_to_cpu(serial->dev->descriptor.idVendor) == XIRCOM_VENDOR_ID) ||
+ (le16_to_cpu(serial->dev->descriptor.idVendor) == ENTREGRA_VENDOR_ID))
+ fw_name = "keyspan_pda/xircom_pgs.fw";
#endif
- if (record == NULL) {
- err("%s: unknown vendor, aborting.", __FUNCTION__);
+ else {
+ err("%s: unknown vendor, aborting.", __func__);
return -ENODEV;
}
+ if (request_ihex_firmware(&fw, fw_name, &serial->dev->dev)) {
+ err("failed to load firmware \"%s\"\n", fw_name);
+ return -ENOENT;
+ }
+ record = (const struct ihex_binrec *)fw->data;
- while(record->address != 0xffff) {
- response = ezusb_writememory(serial, record->address,
+ while (record) {
+ response = ezusb_writememory(serial, be32_to_cpu(record->addr),
(unsigned char *)record->data,
- record->data_size, 0xa0);
+ be16_to_cpu(record->len), 0xa0);
if (response < 0) {
err("ezusb_writememory failed for Keyspan PDA "
"firmware (%d %04X %p %d)",
- response,
- record->address, record->data, record->data_size);
+ response, be32_to_cpu(record->addr),
+ record->data, be16_to_cpu(record->len));
break;
}
- record++;
+ 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);
static void keyspan_pda_shutdown (struct usb_serial *serial)
{
- dbg("%s", __FUNCTION__);
+ dbg("%s", __func__);
kfree(usb_get_serial_port_data(serial->port[0]));
}
.description = "Keyspan PDA - (prerenumeration)",
.usb_driver = &keyspan_pda_driver,
.id_table = id_table_fake,
- .num_interrupt_in = NUM_DONT_CARE,
- .num_bulk_in = NUM_DONT_CARE,
- .num_bulk_out = NUM_DONT_CARE,
.num_ports = 1,
.attach = keyspan_pda_fake_startup,
};
.description = "Xircom / Entregra PGS - (prerenumeration)",
.usb_driver = &keyspan_pda_driver,
.id_table = id_table_fake_xircom,
- .num_interrupt_in = NUM_DONT_CARE,
- .num_bulk_in = NUM_DONT_CARE,
- .num_bulk_out = NUM_DONT_CARE,
.num_ports = 1,
.attach = keyspan_pda_fake_startup,
};
.description = "Keyspan PDA",
.usb_driver = &keyspan_pda_driver,
.id_table = id_table_std,
- .num_interrupt_in = 1,
- .num_bulk_in = 0,
- .num_bulk_out = 1,
.num_ports = 1,
.open = keyspan_pda_open,
.close = keyspan_pda_close,
projects / mirror_ubuntu-hirsute-kernel.git / blobdiff