whiteheat: coding style
Bring ezusb and whiteheat into line with the coding style Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Cox
Linus Torvalds
parent
95da310e66
commit
80359a9c5c
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@ -20,7 +20,8 @@
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/* EZ-USB Control and Status Register. Bit 0 controls 8051 reset */
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#define CPUCS_REG 0x7F92
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int ezusb_writememory (struct usb_serial *serial, int address, unsigned char *data, int length, __u8 bRequest)
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int ezusb_writememory(struct usb_serial *serial, int address,
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unsigned char *data, int length, __u8 request)
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{
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int result;
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unsigned char *transfer_buffer;
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@ -33,26 +34,27 @@ int ezusb_writememory (struct usb_serial *serial, int address, unsigned char *da
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transfer_buffer = kmemdup(data, length, GFP_KERNEL);
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if (!transfer_buffer) {
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dev_err(&serial->dev->dev, "%s - kmalloc(%d) failed.\n", __func__, length);
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dev_err(&serial->dev->dev, "%s - kmalloc(%d) failed.\n",
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__func__, length);
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return -ENOMEM;
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}
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result = usb_control_msg (serial->dev, usb_sndctrlpipe(serial->dev, 0), bRequest, 0x40, address, 0, transfer_buffer, length, 3000);
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kfree (transfer_buffer);
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result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
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request, 0x40, address, 0, transfer_buffer, length, 3000);
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kfree(transfer_buffer);
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return result;
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}
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EXPORT_SYMBOL_GPL(ezusb_writememory);
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int ezusb_set_reset (struct usb_serial *serial, unsigned char reset_bit)
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int ezusb_set_reset(struct usb_serial *serial, unsigned char reset_bit)
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{
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int response;
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/* dbg("%s - %d", __func__, reset_bit); */
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response = ezusb_writememory (serial, CPUCS_REG, &reset_bit, 1, 0xa0);
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response = ezusb_writememory(serial, CPUCS_REG, &reset_bit, 1, 0xa0);
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if (response < 0)
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dev_err(&serial->dev->dev, "%s- %d failed\n", __func__, reset_bit);
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dev_err(&serial->dev->dev, "%s- %d failed\n",
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__func__, reset_bit);
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return response;
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}
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EXPORT_SYMBOL_GPL(ezusb_writememory);
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EXPORT_SYMBOL_GPL(ezusb_set_reset);
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@ -12,13 +12,15 @@
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* See Documentation/usb/usb-serial.txt for more information on using this driver
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* See Documentation/usb/usb-serial.txt for more information on using this
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* driver
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*
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* (10/09/2002) Stuart MacDonald (stuartm@connecttech.com)
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* Upgrade to full working driver
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*
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* (05/30/2001) gkh
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* switched from using spinlock to a semaphore, which fixes lots of problems.
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* switched from using spinlock to a semaphore, which fixes lots of
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* problems.
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*
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* (04/08/2001) gb
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* Identify version on module load.
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@ -52,9 +54,9 @@
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* Fixed bug with port->minor that was found by Al Borchers
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*
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* (07/04/2000) gkh
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* Added support for port settings. Baud rate can now be changed. Line signals
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* are not transferred to and from the tty layer yet, but things seem to be
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* working well now.
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* Added support for port settings. Baud rate can now be changed. Line
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* signals are not transferred to and from the tty layer yet, but things
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* seem to be working well now.
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*
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* (05/04/2000) gkh
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* First cut at open and close commands. Data can flow through the ports at
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@ -75,7 +77,7 @@
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#include <linux/module.h>
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#include <linux/spinlock.h>
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#include <linux/mutex.h>
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#include <asm/uaccess.h>
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#include <linux/uaccess.h>
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#include <asm/termbits.h>
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#include <linux/usb.h>
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#include <linux/serial_reg.h>
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@ -125,7 +127,7 @@ static struct usb_device_id id_table_combined [] = {
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{ } /* Terminating entry */
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};
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MODULE_DEVICE_TABLE (usb, id_table_combined);
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MODULE_DEVICE_TABLE(usb, id_table_combined);
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static struct usb_driver whiteheat_driver = {
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.name = "whiteheat",
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@ -136,26 +138,34 @@ static struct usb_driver whiteheat_driver = {
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};
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/* function prototypes for the Connect Tech WhiteHEAT prerenumeration device */
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static int whiteheat_firmware_download (struct usb_serial *serial, const struct usb_device_id *id);
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static int whiteheat_firmware_attach (struct usb_serial *serial);
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static int whiteheat_firmware_download(struct usb_serial *serial,
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const struct usb_device_id *id);
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static int whiteheat_firmware_attach(struct usb_serial *serial);
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/* function prototypes for the Connect Tech WhiteHEAT serial converter */
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static int whiteheat_attach (struct usb_serial *serial);
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static void whiteheat_shutdown (struct usb_serial *serial);
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static int whiteheat_open (struct tty_struct *tty, struct usb_serial_port *port, struct file *filp);
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static void whiteheat_close (struct tty_struct *tty, struct usb_serial_port *port, struct file *filp);
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static int whiteheat_write (struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *buf, int count);
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static int whiteheat_write_room (struct tty_struct *tty);
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static int whiteheat_ioctl (struct tty_struct *tty, struct file * file, unsigned int cmd, unsigned long arg);
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static void whiteheat_set_termios (struct tty_struct *tty, struct usb_serial_port *port, struct ktermios * old);
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static int whiteheat_tiocmget (struct tty_struct *tty, struct file *file);
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static int whiteheat_tiocmset (struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear);
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static void whiteheat_break_ctl (struct tty_struct *tty, int break_state);
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static int whiteheat_chars_in_buffer (struct tty_struct *tty);
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static void whiteheat_throttle (struct tty_struct *tty);
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static void whiteheat_unthrottle (struct tty_struct *tty);
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static void whiteheat_read_callback (struct urb *urb);
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static void whiteheat_write_callback (struct urb *urb);
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static int whiteheat_attach(struct usb_serial *serial);
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static void whiteheat_shutdown(struct usb_serial *serial);
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static int whiteheat_open(struct tty_struct *tty,
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struct usb_serial_port *port, struct file *filp);
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static void whiteheat_close(struct tty_struct *tty,
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struct usb_serial_port *port, struct file *filp);
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static int whiteheat_write(struct tty_struct *tty,
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struct usb_serial_port *port,
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const unsigned char *buf, int count);
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static int whiteheat_write_room(struct tty_struct *tty);
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static int whiteheat_ioctl(struct tty_struct *tty, struct file *file,
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unsigned int cmd, unsigned long arg);
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static void whiteheat_set_termios(struct tty_struct *tty,
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struct usb_serial_port *port, struct ktermios *old);
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static int whiteheat_tiocmget(struct tty_struct *tty, struct file *file);
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static int whiteheat_tiocmset(struct tty_struct *tty, struct file *file,
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unsigned int set, unsigned int clear);
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static void whiteheat_break_ctl(struct tty_struct *tty, int break_state);
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static int whiteheat_chars_in_buffer(struct tty_struct *tty);
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static void whiteheat_throttle(struct tty_struct *tty);
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static void whiteheat_unthrottle(struct tty_struct *tty);
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static void whiteheat_read_callback(struct urb *urb);
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static void whiteheat_write_callback(struct urb *urb);
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static struct usb_serial_driver whiteheat_fake_device = {
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.driver = {
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@ -202,7 +212,9 @@ struct whiteheat_command_private {
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struct mutex mutex;
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__u8 port_running;
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__u8 command_finished;
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wait_queue_head_t wait_command; /* for handling sleeping while waiting for a command to finish */
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wait_queue_head_t wait_command; /* for handling sleeping whilst
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waiting for a command to
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finish */
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__u8 result_buffer[64];
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};
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@ -239,11 +251,13 @@ static void command_port_write_callback(struct urb *urb);
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static void command_port_read_callback(struct urb *urb);
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static int start_port_read(struct usb_serial_port *port);
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static struct whiteheat_urb_wrap *urb_to_wrap(struct urb *urb, struct list_head *head);
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static struct whiteheat_urb_wrap *urb_to_wrap(struct urb *urb,
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struct list_head *head);
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static struct list_head *list_first(struct list_head *head);
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static void rx_data_softint(struct work_struct *work);
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static int firm_send_command(struct usb_serial_port *port, __u8 command, __u8 *data, __u8 datasize);
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static int firm_send_command(struct usb_serial_port *port, __u8 command,
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__u8 *data, __u8 datasize);
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static int firm_open(struct usb_serial_port *port);
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static int firm_close(struct usb_serial_port *port);
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static int firm_setup_port(struct tty_struct *tty);
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@ -278,7 +292,8 @@ static int firm_report_tx_done(struct usb_serial_port *port);
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- device renumerated itself and comes up as new device id with all
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firmware download completed.
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*/
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static int whiteheat_firmware_download (struct usb_serial *serial, const struct usb_device_id *id)
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static int whiteheat_firmware_download(struct usb_serial *serial,
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const struct usb_device_id *id)
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{
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int response, ret = -ENOENT;
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const struct firmware *loader_fw = NULL, *firmware_fw = NULL;
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@ -313,7 +328,7 @@ static int whiteheat_firmware_download (struct usb_serial *serial, const struct
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record = ihex_next_binrec(record);
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}
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response = ezusb_set_reset (serial, 0);
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response = ezusb_set_reset(serial, 0);
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record = (const struct ihex_binrec *)firmware_fw->data;
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while (record && be32_to_cpu(record->addr) < 0x1b40)
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@ -331,7 +346,7 @@ static int whiteheat_firmware_download (struct usb_serial *serial, const struct
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++record;
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}
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response = ezusb_set_reset (serial, 1);
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response = ezusb_set_reset(serial, 1);
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record = (const struct ihex_binrec *)firmware_fw->data;
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while (record && be32_to_cpu(record->addr) < 0x1b40) {
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@ -355,7 +370,7 @@ static int whiteheat_firmware_download (struct usb_serial *serial, const struct
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}
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static int whiteheat_firmware_attach (struct usb_serial *serial)
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static int whiteheat_firmware_attach(struct usb_serial *serial)
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{
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/* We want this device to fail to have a driver assigned to it */
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return 1;
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@ -365,7 +380,7 @@ static int whiteheat_firmware_attach (struct usb_serial *serial)
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/*****************************************************************************
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* Connect Tech's White Heat serial driver functions
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*****************************************************************************/
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static int whiteheat_attach (struct usb_serial *serial)
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static int whiteheat_attach(struct usb_serial *serial)
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{
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struct usb_serial_port *command_port;
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struct whiteheat_command_private *command_info;
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@ -386,7 +401,8 @@ static int whiteheat_attach (struct usb_serial *serial)
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command_port = serial->port[COMMAND_PORT];
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pipe = usb_sndbulkpipe (serial->dev, command_port->bulk_out_endpointAddress);
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pipe = usb_sndbulkpipe(serial->dev,
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command_port->bulk_out_endpointAddress);
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command = kmalloc(2, GFP_KERNEL);
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if (!command)
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goto no_command_buffer;
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@ -399,30 +415,38 @@ static int whiteheat_attach (struct usb_serial *serial)
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/*
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* When the module is reloaded the firmware is still there and
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* the endpoints are still in the usb core unchanged. This is the
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* unlinking bug in disguise. Same for the call below.
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*/
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* unlinking bug in disguise. Same for the call below.
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*/
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usb_clear_halt(serial->dev, pipe);
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ret = usb_bulk_msg (serial->dev, pipe, command, 2, &alen, COMMAND_TIMEOUT_MS);
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ret = usb_bulk_msg(serial->dev, pipe, command, 2,
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&alen, COMMAND_TIMEOUT_MS);
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if (ret) {
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err("%s: Couldn't send command [%d]", serial->type->description, ret);
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err("%s: Couldn't send command [%d]",
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serial->type->description, ret);
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goto no_firmware;
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} else if (alen != 2) {
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err("%s: Send command incomplete [%d]", serial->type->description, alen);
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err("%s: Send command incomplete [%d]",
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serial->type->description, alen);
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goto no_firmware;
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}
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pipe = usb_rcvbulkpipe (serial->dev, command_port->bulk_in_endpointAddress);
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pipe = usb_rcvbulkpipe(serial->dev,
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command_port->bulk_in_endpointAddress);
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/* See the comment on the usb_clear_halt() above */
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usb_clear_halt(serial->dev, pipe);
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ret = usb_bulk_msg (serial->dev, pipe, result, sizeof(*hw_info) + 1, &alen, COMMAND_TIMEOUT_MS);
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ret = usb_bulk_msg(serial->dev, pipe, result,
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sizeof(*hw_info) + 1, &alen, COMMAND_TIMEOUT_MS);
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if (ret) {
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err("%s: Couldn't get results [%d]", serial->type->description, ret);
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err("%s: Couldn't get results [%d]",
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serial->type->description, ret);
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goto no_firmware;
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} else if (alen != sizeof(*hw_info) + 1) {
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err("%s: Get results incomplete [%d]", serial->type->description, alen);
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err("%s: Get results incomplete [%d]",
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serial->type->description, alen);
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goto no_firmware;
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} else if (result[0] != command[0]) {
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err("%s: Command failed [%d]", serial->type->description, result[0]);
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err("%s: Command failed [%d]",
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serial->type->description, result[0]);
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goto no_firmware;
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}
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@ -436,7 +460,8 @@ static int whiteheat_attach (struct usb_serial *serial)
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info = kmalloc(sizeof(struct whiteheat_private), GFP_KERNEL);
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if (info == NULL) {
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err("%s: Out of memory for port structures\n", serial->type->description);
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err("%s: Out of memory for port structures\n",
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serial->type->description);
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goto no_private;
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}
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@ -506,9 +531,11 @@ static int whiteheat_attach (struct usb_serial *serial)
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usb_set_serial_port_data(port, info);
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}
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command_info = kmalloc(sizeof(struct whiteheat_command_private), GFP_KERNEL);
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command_info = kmalloc(sizeof(struct whiteheat_command_private),
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GFP_KERNEL);
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if (command_info == NULL) {
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err("%s: Out of memory for port structures\n", serial->type->description);
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err("%s: Out of memory for port structures\n",
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serial->type->description);
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goto no_command_private;
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}
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@ -525,9 +552,12 @@ static int whiteheat_attach (struct usb_serial *serial)
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no_firmware:
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/* Firmware likely not running */
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err("%s: Unable to retrieve firmware version, try replugging\n", serial->type->description);
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err("%s: If the firmware is not running (status led not blinking)\n", serial->type->description);
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err("%s: please contact support@connecttech.com\n", serial->type->description);
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err("%s: Unable to retrieve firmware version, try replugging\n",
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serial->type->description);
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err("%s: If the firmware is not running (status led not blinking)\n",
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serial->type->description);
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err("%s: please contact support@connecttech.com\n",
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serial->type->description);
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kfree(result);
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return -ENODEV;
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@ -570,7 +600,7 @@ no_command_buffer:
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}
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static void whiteheat_shutdown (struct usb_serial *serial)
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static void whiteheat_shutdown(struct usb_serial *serial)
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{
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struct usb_serial_port *command_port;
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struct usb_serial_port *port;
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@ -585,7 +615,7 @@ static void whiteheat_shutdown (struct usb_serial *serial)
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/* free up our private data for our command port */
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command_port = serial->port[COMMAND_PORT];
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kfree (usb_get_serial_port_data(command_port));
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kfree(usb_get_serial_port_data(command_port));
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for (i = 0; i < serial->num_ports; i++) {
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port = serial->port[i];
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@ -612,8 +642,7 @@ static void whiteheat_shutdown (struct usb_serial *serial)
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return;
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}
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static int whiteheat_open (struct tty_struct *tty,
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static int whiteheat_open(struct tty_struct *tty,
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struct usb_serial_port *port, struct file *filp)
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{
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int retval = 0;
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@ -655,7 +684,8 @@ static int whiteheat_open (struct tty_struct *tty,
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/* Start reading from the device */
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retval = start_port_read(port);
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if (retval) {
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err("%s - failed submitting read urb, error %d", __func__, retval);
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err("%s - failed submitting read urb, error %d",
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__func__, retval);
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firm_close(port);
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stop_command_port(port->serial);
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goto exit;
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@ -668,7 +698,7 @@ exit:
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static void whiteheat_close(struct tty_struct *tty,
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struct usb_serial_port *port, struct file * filp)
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struct usb_serial_port *port, struct file *filp)
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{
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struct whiteheat_private *info = usb_get_serial_port_data(port);
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struct whiteheat_urb_wrap *wrap;
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@ -769,16 +799,19 @@ static int whiteheat_write(struct tty_struct *tty,
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wrap = list_entry(tmp, struct whiteheat_urb_wrap, list);
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urb = wrap->urb;
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bytes = (count > port->bulk_out_size) ? port->bulk_out_size : count;
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memcpy (urb->transfer_buffer, buf + sent, bytes);
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bytes = (count > port->bulk_out_size) ?
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port->bulk_out_size : count;
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memcpy(urb->transfer_buffer, buf + sent, bytes);
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usb_serial_debug_data(debug, &port->dev, __func__, bytes, urb->transfer_buffer);
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usb_serial_debug_data(debug, &port->dev,
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__func__, bytes, urb->transfer_buffer);
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||||
|
||||
urb->dev = serial->dev;
|
||||
urb->transfer_buffer_length = bytes;
|
||||
result = usb_submit_urb(urb, GFP_ATOMIC);
|
||||
if (result) {
|
||||
err("%s - failed submitting write urb, error %d", __func__, result);
|
||||
err("%s - failed submitting write urb, error %d",
|
||||
__func__, result);
|
||||
sent = result;
|
||||
spin_lock_irqsave(&info->lock, flags);
|
||||
list_add(tmp, &info->tx_urbs_free);
|
||||
|
|
@ -796,7 +829,6 @@ static int whiteheat_write(struct tty_struct *tty,
|
|||
return sent;
|
||||
}
|
||||
|
||||
|
||||
static int whiteheat_write_room(struct tty_struct *tty)
|
||||
{
|
||||
struct usb_serial_port *port = tty->driver_data;
|
||||
|
|
@ -817,8 +849,7 @@ static int whiteheat_write_room(struct tty_struct *tty)
|
|||
return (room);
|
||||
}
|
||||
|
||||
|
||||
static int whiteheat_tiocmget (struct tty_struct *tty, struct file *file)
|
||||
static int whiteheat_tiocmget(struct tty_struct *tty, struct file *file)
|
||||
{
|
||||
struct usb_serial_port *port = tty->driver_data;
|
||||
struct whiteheat_private *info = usb_get_serial_port_data(port);
|
||||
|
|
@ -835,8 +866,7 @@ static int whiteheat_tiocmget (struct tty_struct *tty, struct file *file)
|
|||
return modem_signals;
|
||||
}
|
||||
|
||||
|
||||
static int whiteheat_tiocmset (struct tty_struct *tty, struct file *file,
|
||||
static int whiteheat_tiocmset(struct tty_struct *tty, struct file *file,
|
||||
unsigned int set, unsigned int clear)
|
||||
{
|
||||
struct usb_serial_port *port = tty->driver_data;
|
||||
|
|
@ -860,7 +890,8 @@ static int whiteheat_tiocmset (struct tty_struct *tty, struct file *file,
|
|||
}
|
||||
|
||||
|
||||
static int whiteheat_ioctl (struct tty_struct *tty, struct file * file, unsigned int cmd, unsigned long arg)
|
||||
static int whiteheat_ioctl(struct tty_struct *tty, struct file *file,
|
||||
unsigned int cmd, unsigned long arg)
|
||||
{
|
||||
struct usb_serial_port *port = tty->driver_data;
|
||||
struct serial_struct serstruct;
|
||||
|
|
@ -869,50 +900,38 @@ static int whiteheat_ioctl (struct tty_struct *tty, struct file * file, unsigned
|
|||
dbg("%s - port %d, cmd 0x%.4x", __func__, port->number, cmd);
|
||||
|
||||
switch (cmd) {
|
||||
case TIOCGSERIAL:
|
||||
memset(&serstruct, 0, sizeof(serstruct));
|
||||
serstruct.type = PORT_16654;
|
||||
serstruct.line = port->serial->minor;
|
||||
serstruct.port = port->number;
|
||||
serstruct.flags = ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ;
|
||||
serstruct.xmit_fifo_size = port->bulk_out_size;
|
||||
serstruct.custom_divisor = 0;
|
||||
serstruct.baud_base = 460800;
|
||||
serstruct.close_delay = CLOSING_DELAY;
|
||||
serstruct.closing_wait = CLOSING_DELAY;
|
||||
case TIOCGSERIAL:
|
||||
memset(&serstruct, 0, sizeof(serstruct));
|
||||
serstruct.type = PORT_16654;
|
||||
serstruct.line = port->serial->minor;
|
||||
serstruct.port = port->number;
|
||||
serstruct.flags = ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ;
|
||||
serstruct.xmit_fifo_size = port->bulk_out_size;
|
||||
serstruct.custom_divisor = 0;
|
||||
serstruct.baud_base = 460800;
|
||||
serstruct.close_delay = CLOSING_DELAY;
|
||||
serstruct.closing_wait = CLOSING_DELAY;
|
||||
|
||||
if (copy_to_user(user_arg, &serstruct, sizeof(serstruct)))
|
||||
return -EFAULT;
|
||||
|
||||
break;
|
||||
|
||||
case TIOCSSERIAL:
|
||||
if (copy_from_user(&serstruct, user_arg, sizeof(serstruct)))
|
||||
return -EFAULT;
|
||||
|
||||
/*
|
||||
* For now this is ignored. dip sets the ASYNC_[V]HI flags
|
||||
* but this isn't used by us at all. Maybe someone somewhere
|
||||
* will need the custom_divisor setting.
|
||||
*/
|
||||
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
if (copy_to_user(user_arg, &serstruct, sizeof(serstruct)))
|
||||
return -EFAULT;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return -ENOIOCTLCMD;
|
||||
}
|
||||
|
||||
|
||||
static void whiteheat_set_termios(struct tty_struct *tty, struct usb_serial_port *port, struct ktermios *old_termios)
|
||||
static void whiteheat_set_termios(struct tty_struct *tty,
|
||||
struct usb_serial_port *port, struct ktermios *old_termios)
|
||||
{
|
||||
/* FIXME */
|
||||
firm_setup_port(tty);
|
||||
}
|
||||
|
||||
|
||||
static void whiteheat_break_ctl(struct tty_struct *tty, int break_state) {
|
||||
static void whiteheat_break_ctl(struct tty_struct *tty, int break_state)
|
||||
{
|
||||
struct usb_serial_port *port = tty->driver_data;
|
||||
firm_set_break(port, break_state);
|
||||
}
|
||||
|
|
@ -936,12 +955,12 @@ static int whiteheat_chars_in_buffer(struct tty_struct *tty)
|
|||
}
|
||||
spin_unlock_irqrestore(&info->lock, flags);
|
||||
|
||||
dbg ("%s - returns %d", __func__, chars);
|
||||
dbg("%s - returns %d", __func__, chars);
|
||||
return chars;
|
||||
}
|
||||
|
||||
|
||||
static void whiteheat_throttle (struct tty_struct *tty)
|
||||
static void whiteheat_throttle(struct tty_struct *tty)
|
||||
{
|
||||
struct usb_serial_port *port = tty->driver_data;
|
||||
struct whiteheat_private *info = usb_get_serial_port_data(port);
|
||||
|
|
@ -957,7 +976,7 @@ static void whiteheat_throttle (struct tty_struct *tty)
|
|||
}
|
||||
|
||||
|
||||
static void whiteheat_unthrottle (struct tty_struct *tty)
|
||||
static void whiteheat_unthrottle(struct tty_struct *tty)
|
||||
{
|
||||
struct usb_serial_port *port = tty->driver_data;
|
||||
struct whiteheat_private *info = usb_get_serial_port_data(port);
|
||||
|
|
@ -1006,7 +1025,7 @@ static void command_port_read_callback(struct urb *urb)
|
|||
|
||||
command_info = usb_get_serial_port_data(command_port);
|
||||
if (!command_info) {
|
||||
dbg ("%s - command_info is NULL, exiting.", __func__);
|
||||
dbg("%s - command_info is NULL, exiting.", __func__);
|
||||
return;
|
||||
}
|
||||
if (status) {
|
||||
|
|
@ -1017,7 +1036,8 @@ static void command_port_read_callback(struct urb *urb)
|
|||
return;
|
||||
}
|
||||
|
||||
usb_serial_debug_data(debug, &command_port->dev, __func__, urb->actual_length, data);
|
||||
usb_serial_debug_data(debug, &command_port->dev,
|
||||
__func__, urb->actual_length, data);
|
||||
|
||||
if (data[0] == WHITEHEAT_CMD_COMPLETE) {
|
||||
command_info->command_finished = WHITEHEAT_CMD_COMPLETE;
|
||||
|
|
@ -1026,21 +1046,23 @@ static void command_port_read_callback(struct urb *urb)
|
|||
command_info->command_finished = WHITEHEAT_CMD_FAILURE;
|
||||
wake_up(&command_info->wait_command);
|
||||
} else if (data[0] == WHITEHEAT_EVENT) {
|
||||
/* These are unsolicited reports from the firmware, hence no waiting command to wakeup */
|
||||
/* These are unsolicited reports from the firmware, hence no
|
||||
waiting command to wakeup */
|
||||
dbg("%s - event received", __func__);
|
||||
} else if (data[0] == WHITEHEAT_GET_DTR_RTS) {
|
||||
memcpy(command_info->result_buffer, &data[1], urb->actual_length - 1);
|
||||
memcpy(command_info->result_buffer, &data[1],
|
||||
urb->actual_length - 1);
|
||||
command_info->command_finished = WHITEHEAT_CMD_COMPLETE;
|
||||
wake_up(&command_info->wait_command);
|
||||
} else {
|
||||
} else
|
||||
dbg("%s - bad reply from firmware", __func__);
|
||||
}
|
||||
|
||||
/* Continue trying to always read */
|
||||
command_port->read_urb->dev = command_port->serial->dev;
|
||||
result = usb_submit_urb(command_port->read_urb, GFP_ATOMIC);
|
||||
if (result)
|
||||
dbg("%s - failed resubmitting read urb, error %d", __func__, result);
|
||||
dbg("%s - failed resubmitting read urb, error %d",
|
||||
__func__, result);
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -1073,7 +1095,8 @@ static void whiteheat_read_callback(struct urb *urb)
|
|||
return;
|
||||
}
|
||||
|
||||
usb_serial_debug_data(debug, &port->dev, __func__, urb->actual_length, data);
|
||||
usb_serial_debug_data(debug, &port->dev,
|
||||
__func__, urb->actual_length, data);
|
||||
|
||||
spin_lock(&info->lock);
|
||||
list_add_tail(&wrap->list, &info->rx_urb_q);
|
||||
|
|
@ -1120,7 +1143,8 @@ static void whiteheat_write_callback(struct urb *urb)
|
|||
/*****************************************************************************
|
||||
* Connect Tech's White Heat firmware interface
|
||||
*****************************************************************************/
|
||||
static int firm_send_command(struct usb_serial_port *port, __u8 command, __u8 *data, __u8 datasize)
|
||||
static int firm_send_command(struct usb_serial_port *port, __u8 command,
|
||||
__u8 *data, __u8 datasize)
|
||||
{
|
||||
struct usb_serial_port *command_port;
|
||||
struct whiteheat_command_private *command_info;
|
||||
|
|
@ -1138,10 +1162,10 @@ static int firm_send_command(struct usb_serial_port *port, __u8 command, __u8 *d
|
|||
|
||||
transfer_buffer = (__u8 *)command_port->write_urb->transfer_buffer;
|
||||
transfer_buffer[0] = command;
|
||||
memcpy (&transfer_buffer[1], data, datasize);
|
||||
memcpy(&transfer_buffer[1], data, datasize);
|
||||
command_port->write_urb->transfer_buffer_length = datasize + 1;
|
||||
command_port->write_urb->dev = port->serial->dev;
|
||||
retval = usb_submit_urb (command_port->write_urb, GFP_NOIO);
|
||||
retval = usb_submit_urb(command_port->write_urb, GFP_NOIO);
|
||||
if (retval) {
|
||||
dbg("%s - submit urb failed", __func__);
|
||||
goto exit;
|
||||
|
|
@ -1168,36 +1192,41 @@ static int firm_send_command(struct usb_serial_port *port, __u8 command, __u8 *d
|
|||
if (command_info->command_finished == WHITEHEAT_CMD_COMPLETE) {
|
||||
dbg("%s - command completed.", __func__);
|
||||
switch (command) {
|
||||
case WHITEHEAT_GET_DTR_RTS:
|
||||
info = usb_get_serial_port_data(port);
|
||||
memcpy(&info->mcr, command_info->result_buffer, sizeof(struct whiteheat_dr_info));
|
||||
case WHITEHEAT_GET_DTR_RTS:
|
||||
info = usb_get_serial_port_data(port);
|
||||
memcpy(&info->mcr, command_info->result_buffer,
|
||||
sizeof(struct whiteheat_dr_info));
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
exit:
|
||||
mutex_unlock(&command_info->mutex);
|
||||
return retval;
|
||||
}
|
||||
|
||||
|
||||
static int firm_open(struct usb_serial_port *port) {
|
||||
static int firm_open(struct usb_serial_port *port)
|
||||
{
|
||||
struct whiteheat_simple open_command;
|
||||
|
||||
open_command.port = port->number - port->serial->minor + 1;
|
||||
return firm_send_command(port, WHITEHEAT_OPEN, (__u8 *)&open_command, sizeof(open_command));
|
||||
return firm_send_command(port, WHITEHEAT_OPEN,
|
||||
(__u8 *)&open_command, sizeof(open_command));
|
||||
}
|
||||
|
||||
|
||||
static int firm_close(struct usb_serial_port *port) {
|
||||
static int firm_close(struct usb_serial_port *port)
|
||||
{
|
||||
struct whiteheat_simple close_command;
|
||||
|
||||
close_command.port = port->number - port->serial->minor + 1;
|
||||
return firm_send_command(port, WHITEHEAT_CLOSE, (__u8 *)&close_command, sizeof(close_command));
|
||||
return firm_send_command(port, WHITEHEAT_CLOSE,
|
||||
(__u8 *)&close_command, sizeof(close_command));
|
||||
}
|
||||
|
||||
|
||||
static int firm_setup_port(struct tty_struct *tty) {
|
||||
static int firm_setup_port(struct tty_struct *tty)
|
||||
{
|
||||
struct usb_serial_port *port = tty->driver_data;
|
||||
struct whiteheat_port_settings port_settings;
|
||||
unsigned int cflag = tty->termios->c_cflag;
|
||||
|
|
@ -1206,11 +1235,11 @@ static int firm_setup_port(struct tty_struct *tty) {
|
|||
|
||||
/* get the byte size */
|
||||
switch (cflag & CSIZE) {
|
||||
case CS5: port_settings.bits = 5; break;
|
||||
case CS6: port_settings.bits = 6; break;
|
||||
case CS7: port_settings.bits = 7; break;
|
||||
default:
|
||||
case CS8: port_settings.bits = 8; break;
|
||||
case CS5: port_settings.bits = 5; break;
|
||||
case CS6: port_settings.bits = 6; break;
|
||||
case CS7: port_settings.bits = 7; break;
|
||||
default:
|
||||
case CS8: port_settings.bits = 8; break;
|
||||
}
|
||||
dbg("%s - data bits = %d", __func__, port_settings.bits);
|
||||
|
||||
|
|
@ -1239,7 +1268,8 @@ static int firm_setup_port(struct tty_struct *tty) {
|
|||
|
||||
/* figure out the flow control settings */
|
||||
if (cflag & CRTSCTS)
|
||||
port_settings.hflow = (WHITEHEAT_HFLOW_CTS | WHITEHEAT_HFLOW_RTS);
|
||||
port_settings.hflow = (WHITEHEAT_HFLOW_CTS |
|
||||
WHITEHEAT_HFLOW_RTS);
|
||||
else
|
||||
port_settings.hflow = WHITEHEAT_HFLOW_NONE;
|
||||
dbg("%s - hardware flow control = %s %s %s %s", __func__,
|
||||
|
|
@ -1257,7 +1287,8 @@ static int firm_setup_port(struct tty_struct *tty) {
|
|||
|
||||
port_settings.xon = START_CHAR(tty);
|
||||
port_settings.xoff = STOP_CHAR(tty);
|
||||
dbg("%s - XON = %2x, XOFF = %2x", __func__, port_settings.xon, port_settings.xoff);
|
||||
dbg("%s - XON = %2x, XOFF = %2x",
|
||||
__func__, port_settings.xon, port_settings.xoff);
|
||||
|
||||
/* get the baud rate wanted */
|
||||
port_settings.baud = tty_get_baud_rate(tty);
|
||||
|
|
@ -1269,59 +1300,72 @@ static int firm_setup_port(struct tty_struct *tty) {
|
|||
port_settings.lloop = 0;
|
||||
|
||||
/* now send the message to the device */
|
||||
return firm_send_command(port, WHITEHEAT_SETUP_PORT, (__u8 *)&port_settings, sizeof(port_settings));
|
||||
return firm_send_command(port, WHITEHEAT_SETUP_PORT,
|
||||
(__u8 *)&port_settings, sizeof(port_settings));
|
||||
}
|
||||
|
||||
|
||||
static int firm_set_rts(struct usb_serial_port *port, __u8 onoff) {
|
||||
static int firm_set_rts(struct usb_serial_port *port, __u8 onoff)
|
||||
{
|
||||
struct whiteheat_set_rdb rts_command;
|
||||
|
||||
rts_command.port = port->number - port->serial->minor + 1;
|
||||
rts_command.state = onoff;
|
||||
return firm_send_command(port, WHITEHEAT_SET_RTS, (__u8 *)&rts_command, sizeof(rts_command));
|
||||
return firm_send_command(port, WHITEHEAT_SET_RTS,
|
||||
(__u8 *)&rts_command, sizeof(rts_command));
|
||||
}
|
||||
|
||||
|
||||
static int firm_set_dtr(struct usb_serial_port *port, __u8 onoff) {
|
||||
static int firm_set_dtr(struct usb_serial_port *port, __u8 onoff)
|
||||
{
|
||||
struct whiteheat_set_rdb dtr_command;
|
||||
|
||||
dtr_command.port = port->number - port->serial->minor + 1;
|
||||
dtr_command.state = onoff;
|
||||
return firm_send_command(port, WHITEHEAT_SET_RTS, (__u8 *)&dtr_command, sizeof(dtr_command));
|
||||
return firm_send_command(port, WHITEHEAT_SET_RTS,
|
||||
(__u8 *)&dtr_command, sizeof(dtr_command));
|
||||
}
|
||||
|
||||
|
||||
static int firm_set_break(struct usb_serial_port *port, __u8 onoff) {
|
||||
static int firm_set_break(struct usb_serial_port *port, __u8 onoff)
|
||||
{
|
||||
struct whiteheat_set_rdb break_command;
|
||||
|
||||
break_command.port = port->number - port->serial->minor + 1;
|
||||
break_command.state = onoff;
|
||||
return firm_send_command(port, WHITEHEAT_SET_RTS, (__u8 *)&break_command, sizeof(break_command));
|
||||
return firm_send_command(port, WHITEHEAT_SET_RTS,
|
||||
(__u8 *)&break_command, sizeof(break_command));
|
||||
}
|
||||
|
||||
|
||||
static int firm_purge(struct usb_serial_port *port, __u8 rxtx) {
|
||||
static int firm_purge(struct usb_serial_port *port, __u8 rxtx)
|
||||
{
|
||||
struct whiteheat_purge purge_command;
|
||||
|
||||
purge_command.port = port->number - port->serial->minor + 1;
|
||||
purge_command.what = rxtx;
|
||||
return firm_send_command(port, WHITEHEAT_PURGE, (__u8 *)&purge_command, sizeof(purge_command));
|
||||
return firm_send_command(port, WHITEHEAT_PURGE,
|
||||
(__u8 *)&purge_command, sizeof(purge_command));
|
||||
}
|
||||
|
||||
|
||||
static int firm_get_dtr_rts(struct usb_serial_port *port) {
|
||||
static int firm_get_dtr_rts(struct usb_serial_port *port)
|
||||
{
|
||||
struct whiteheat_simple get_dr_command;
|
||||
|
||||
get_dr_command.port = port->number - port->serial->minor + 1;
|
||||
return firm_send_command(port, WHITEHEAT_GET_DTR_RTS, (__u8 *)&get_dr_command, sizeof(get_dr_command));
|
||||
return firm_send_command(port, WHITEHEAT_GET_DTR_RTS,
|
||||
(__u8 *)&get_dr_command, sizeof(get_dr_command));
|
||||
}
|
||||
|
||||
|
||||
static int firm_report_tx_done(struct usb_serial_port *port) {
|
||||
static int firm_report_tx_done(struct usb_serial_port *port)
|
||||
{
|
||||
struct whiteheat_simple close_command;
|
||||
|
||||
close_command.port = port->number - port->serial->minor + 1;
|
||||
return firm_send_command(port, WHITEHEAT_REPORT_TX_DONE, (__u8 *)&close_command, sizeof(close_command));
|
||||
return firm_send_command(port, WHITEHEAT_REPORT_TX_DONE,
|
||||
(__u8 *)&close_command, sizeof(close_command));
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -1344,7 +1388,8 @@ static int start_command_port(struct usb_serial *serial)
|
|||
command_port->read_urb->dev = serial->dev;
|
||||
retval = usb_submit_urb(command_port->read_urb, GFP_KERNEL);
|
||||
if (retval) {
|
||||
err("%s - failed submitting read urb, error %d", __func__, retval);
|
||||
err("%s - failed submitting read urb, error %d",
|
||||
__func__, retval);
|
||||
goto exit;
|
||||
}
|
||||
}
|
||||
|
|
@ -1414,7 +1459,8 @@ static int start_port_read(struct usb_serial_port *port)
|
|||
}
|
||||
|
||||
|
||||
static struct whiteheat_urb_wrap *urb_to_wrap(struct urb* urb, struct list_head *head)
|
||||
static struct whiteheat_urb_wrap *urb_to_wrap(struct urb *urb,
|
||||
struct list_head *head)
|
||||
{
|
||||
struct whiteheat_urb_wrap *wrap;
|
||||
struct list_head *tmp;
|
||||
|
|
@ -1463,7 +1509,8 @@ static void rx_data_softint(struct work_struct *work)
|
|||
urb = wrap->urb;
|
||||
|
||||
if (tty && urb->actual_length) {
|
||||
int len = tty_buffer_request_room(tty, urb->actual_length);
|
||||
int len = tty_buffer_request_room(tty,
|
||||
urb->actual_length);
|
||||
/* This stuff can go away now I suspect */
|
||||
if (unlikely(len < urb->actual_length)) {
|
||||
spin_lock_irqsave(&info->lock, flags);
|
||||
|
|
@ -1480,7 +1527,8 @@ static void rx_data_softint(struct work_struct *work)
|
|||
urb->dev = port->serial->dev;
|
||||
result = usb_submit_urb(urb, GFP_ATOMIC);
|
||||
if (result) {
|
||||
err("%s - failed resubmitting read urb, error %d", __func__, result);
|
||||
err("%s - failed resubmitting read urb, error %d",
|
||||
__func__, result);
|
||||
spin_lock_irqsave(&info->lock, flags);
|
||||
list_add(tmp, &info->rx_urbs_free);
|
||||
continue;
|
||||
|
|
@ -1499,7 +1547,7 @@ static void rx_data_softint(struct work_struct *work)
|
|||
/*****************************************************************************
|
||||
* Connect Tech's White Heat module functions
|
||||
*****************************************************************************/
|
||||
static int __init whiteheat_init (void)
|
||||
static int __init whiteheat_init(void)
|
||||
{
|
||||
int retval;
|
||||
retval = usb_serial_register(&whiteheat_fake_device);
|
||||
|
|
@ -1522,19 +1570,19 @@ failed_fake_register:
|
|||
}
|
||||
|
||||
|
||||
static void __exit whiteheat_exit (void)
|
||||
static void __exit whiteheat_exit(void)
|
||||
{
|
||||
usb_deregister (&whiteheat_driver);
|
||||
usb_serial_deregister (&whiteheat_fake_device);
|
||||
usb_serial_deregister (&whiteheat_device);
|
||||
usb_deregister(&whiteheat_driver);
|
||||
usb_serial_deregister(&whiteheat_fake_device);
|
||||
usb_serial_deregister(&whiteheat_device);
|
||||
}
|
||||
|
||||
|
||||
module_init(whiteheat_init);
|
||||
module_exit(whiteheat_exit);
|
||||
|
||||
MODULE_AUTHOR( DRIVER_AUTHOR );
|
||||
MODULE_DESCRIPTION( DRIVER_DESC );
|
||||
MODULE_AUTHOR(DRIVER_AUTHOR);
|
||||
MODULE_DESCRIPTION(DRIVER_DESC);
|
||||
MODULE_LICENSE("GPL");
|
||||
|
||||
MODULE_FIRMWARE("whiteheat.fw");
|
||||
|
|
|
|||
|
|
@ -12,7 +12,8 @@
|
|||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* See Documentation/usb/usb-serial.txt for more information on using this driver
|
||||
* See Documentation/usb/usb-serial.txt for more information on using this
|
||||
* driver
|
||||
*
|
||||
*/
|
||||
|
||||
|
|
@ -30,13 +31,16 @@
|
|||
#define WHITEHEAT_DUMP 7 /* dump memory */
|
||||
#define WHITEHEAT_STATUS 8 /* get status */
|
||||
#define WHITEHEAT_PURGE 9 /* clear the UART fifos */
|
||||
#define WHITEHEAT_GET_DTR_RTS 10 /* get the state of DTR and RTS for a port */
|
||||
#define WHITEHEAT_GET_HW_INFO 11 /* get EEPROM info and hardware ID */
|
||||
#define WHITEHEAT_GET_DTR_RTS 10 /* get the state of DTR and RTS
|
||||
for a port */
|
||||
#define WHITEHEAT_GET_HW_INFO 11 /* get EEPROM info and
|
||||
hardware ID */
|
||||
#define WHITEHEAT_REPORT_TX_DONE 12 /* get the next TX done */
|
||||
#define WHITEHEAT_EVENT 13 /* unsolicited status events */
|
||||
#define WHITEHEAT_ECHO 14 /* send data to the indicated IN endpoint */
|
||||
#define WHITEHEAT_DO_TEST 15 /* perform the specified test */
|
||||
#define WHITEHEAT_CMD_COMPLETE 16 /* reply for certain commands */
|
||||
#define WHITEHEAT_ECHO 14 /* send data to the indicated
|
||||
IN endpoint */
|
||||
#define WHITEHEAT_DO_TEST 15 /* perform specified test */
|
||||
#define WHITEHEAT_CMD_COMPLETE 16 /* reply for some commands */
|
||||
#define WHITEHEAT_CMD_FAILURE 17 /* reply for failed commands */
|
||||
|
||||
|
||||
|
|
@ -67,20 +71,28 @@ struct whiteheat_simple {
|
|||
#define WHITEHEAT_PAR_MARK '1' /* mark (force 1) parity */
|
||||
|
||||
#define WHITEHEAT_SFLOW_NONE 'n' /* no software flow control */
|
||||
#define WHITEHEAT_SFLOW_RX 'r' /* XOFF/ON is sent when RX fills/empties */
|
||||
#define WHITEHEAT_SFLOW_TX 't' /* when received XOFF/ON will stop/start TX */
|
||||
#define WHITEHEAT_SFLOW_RX 'r' /* XOFF/ON is sent when RX
|
||||
fills/empties */
|
||||
#define WHITEHEAT_SFLOW_TX 't' /* when received XOFF/ON will
|
||||
stop/start TX */
|
||||
#define WHITEHEAT_SFLOW_RXTX 'b' /* both SFLOW_RX and SFLOW_TX */
|
||||
|
||||
#define WHITEHEAT_HFLOW_NONE 0x00 /* no hardware flow control */
|
||||
#define WHITEHEAT_HFLOW_RTS_TOGGLE 0x01 /* RTS is on during transmit, off otherwise */
|
||||
#define WHITEHEAT_HFLOW_DTR 0x02 /* DTR is off/on when RX fills/empties */
|
||||
#define WHITEHEAT_HFLOW_CTS 0x08 /* when received CTS off/on will stop/start TX */
|
||||
#define WHITEHEAT_HFLOW_DSR 0x10 /* when received DSR off/on will stop/start TX */
|
||||
#define WHITEHEAT_HFLOW_RTS 0x80 /* RTS is off/on when RX fills/empties */
|
||||
#define WHITEHEAT_HFLOW_RTS_TOGGLE 0x01 /* RTS is on during transmit,
|
||||
off otherwise */
|
||||
#define WHITEHEAT_HFLOW_DTR 0x02 /* DTR is off/on when RX
|
||||
fills/empties */
|
||||
#define WHITEHEAT_HFLOW_CTS 0x08 /* when received CTS off/on
|
||||
will stop/start TX */
|
||||
#define WHITEHEAT_HFLOW_DSR 0x10 /* when received DSR off/on
|
||||
will stop/start TX */
|
||||
#define WHITEHEAT_HFLOW_RTS 0x80 /* RTS is off/on when RX
|
||||
fills/empties */
|
||||
|
||||
struct whiteheat_port_settings {
|
||||
__u8 port; /* port number (1 to N) */
|
||||
__u32 baud; /* any value 7 - 460800, firmware calculates best fit; arrives little endian */
|
||||
__u32 baud; /* any value 7 - 460800, firmware calculates
|
||||
best fit; arrives little endian */
|
||||
__u8 bits; /* 5, 6, 7, or 8 */
|
||||
__u8 stop; /* 1 or 2, default 1 (2 = 1.5 if bits = 5) */
|
||||
__u8 parity; /* see WHITEHEAT_PAR_* above */
|
||||
|
|
@ -167,12 +179,14 @@ struct whiteheat_echo {
|
|||
*/
|
||||
#define WHITEHEAT_TEST_UART_RW 0x01 /* read/write uart registers */
|
||||
#define WHITEHEAT_TEST_UART_INTR 0x02 /* uart interrupt */
|
||||
#define WHITEHEAT_TEST_SETUP_CONT 0x03 /* setup for PORT_CONT/PORT_DISCONT */
|
||||
#define WHITEHEAT_TEST_SETUP_CONT 0x03 /* setup for
|
||||
PORT_CONT/PORT_DISCONT */
|
||||
#define WHITEHEAT_TEST_PORT_CONT 0x04 /* port connect */
|
||||
#define WHITEHEAT_TEST_PORT_DISCONT 0x05 /* port disconnect */
|
||||
#define WHITEHEAT_TEST_UART_CLK_START 0x06 /* uart clock test start */
|
||||
#define WHITEHEAT_TEST_UART_CLK_STOP 0x07 /* uart clock test stop */
|
||||
#define WHITEHEAT_TEST_MODEM_FT 0x08 /* modem signals, requires a loopback cable/connector */
|
||||
#define WHITEHEAT_TEST_MODEM_FT 0x08 /* modem signals, requires a
|
||||
loopback cable/connector */
|
||||
#define WHITEHEAT_TEST_ERASE_EEPROM 0x09 /* erase eeprom */
|
||||
#define WHITEHEAT_TEST_READ_EEPROM 0x0a /* read eeprom */
|
||||
#define WHITEHEAT_TEST_PROGRAM_EEPROM 0x0b /* program eeprom */
|
||||
|
|
@ -198,19 +212,27 @@ struct whiteheat_test {
|
|||
#define WHITEHEAT_EVENT_CONNECT 0x08 /* connect field is valid */
|
||||
|
||||
#define WHITEHEAT_FLOW_NONE 0x00 /* no flow control active */
|
||||
#define WHITEHEAT_FLOW_HARD_OUT 0x01 /* TX is stopped by CTS (waiting for CTS to go on) */
|
||||
#define WHITEHEAT_FLOW_HARD_IN 0x02 /* remote TX is stopped by RTS */
|
||||
#define WHITEHEAT_FLOW_SOFT_OUT 0x04 /* TX is stopped by XOFF received (waiting for XON) */
|
||||
#define WHITEHEAT_FLOW_SOFT_IN 0x08 /* remote TX is stopped by XOFF transmitted */
|
||||
#define WHITEHEAT_FLOW_HARD_OUT 0x01 /* TX is stopped by CTS
|
||||
(waiting for CTS to go on) */
|
||||
#define WHITEHEAT_FLOW_HARD_IN 0x02 /* remote TX is stopped
|
||||
by RTS */
|
||||
#define WHITEHEAT_FLOW_SOFT_OUT 0x04 /* TX is stopped by XOFF
|
||||
received (waiting for XON) */
|
||||
#define WHITEHEAT_FLOW_SOFT_IN 0x08 /* remote TX is stopped by XOFF
|
||||
transmitted */
|
||||
#define WHITEHEAT_FLOW_TX_DONE 0x80 /* TX has completed */
|
||||
|
||||
struct whiteheat_status_info {
|
||||
__u8 port; /* port number (1 to N) */
|
||||
__u8 event; /* indicates what the current event is, see WHITEHEAT_EVENT_* above */
|
||||
__u8 modem; /* modem signal status (copy of uart's MSR register) */
|
||||
__u8 event; /* indicates what the current event is,
|
||||
see WHITEHEAT_EVENT_* above */
|
||||
__u8 modem; /* modem signal status (copy of uart's
|
||||
MSR register) */
|
||||
__u8 error; /* line status (copy of uart's LSR register) */
|
||||
__u8 flow; /* flow control state, see WHITEHEAT_FLOW_* above */
|
||||
__u8 connect; /* 0 means not connected, non-zero means connected */
|
||||
__u8 flow; /* flow control state, see WHITEHEAT_FLOW_*
|
||||
above */
|
||||
__u8 connect; /* 0 means not connected, non-zero means
|
||||
connected */
|
||||
};
|
||||
|
||||
|
||||
|
|
@ -256,7 +278,8 @@ struct whiteheat_hw_info {
|
|||
struct whiteheat_event_info {
|
||||
__u8 port; /* port number (1 to N) */
|
||||
__u8 event; /* see whiteheat_status_info.event */
|
||||
__u8 info; /* see whiteheat_status_info.modem, .error, .flow, .connect */
|
||||
__u8 info; /* see whiteheat_status_info.modem, .error,
|
||||
.flow, .connect */
|
||||
};
|
||||
|
||||
|
||||
|
|
@ -269,7 +292,8 @@ struct whiteheat_event_info {
|
|||
|
||||
struct whiteheat_test_info {
|
||||
__u8 port; /* port number (1 to N) */
|
||||
__u8 test; /* indicates which test this is a response for, see WHITEHEAT_DO_TEST above */
|
||||
__u8 test; /* indicates which test this is a response for,
|
||||
see WHITEHEAT_DO_TEST above */
|
||||
__u8 status; /* see WHITEHEAT_TEST_* above */
|
||||
__u8 results[32]; /* test-dependent results */
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in New Issue