Hi, The attached patch implements the TIOCGSERIAL ioctl for the SB1250 DUART. Thanks, Peter (p2).
--- linux-2.4.24/drivers/char/sb1250_duart.c 2003-08-25 13:44:41.000000000 +0200
+++ linux-qube/linux-2.4.24/linux/drivers/char/sb1250_duart.c 2004-04-03 20:40:05.000000000 +0200
@@ -498,9 +498,31 @@
duart_set_cflag(us->line, tty->termios->c_cflag);
}
+static int get_serial_info(uart_state_t *us, struct serial_struct * retinfo) {
+
+ struct serial_struct tmp;
+
+ memset(&tmp, 0, sizeof(tmp));
+
+ tmp.type=PORT_SB1250;
+ tmp.line=us->line;
+ tmp.port=A_DUART_CHANREG(tmp.line,0);
+ tmp.irq=K_INT_UART_0 + tmp.line;
+ tmp.xmit_fifo_size=16; /* fixed by hw */
+ tmp.baud_base=5000000;
+ tmp.io_type=SERIAL_IO_MEM;
+
+ if (copy_to_user(retinfo,&tmp,sizeof(*retinfo)))
+ return -EFAULT;
+
+ return 0;
+}
+
static int duart_ioctl(struct tty_struct *tty, struct file * file,
unsigned int cmd, unsigned long arg)
{
+ uart_state_t *us = (uart_state_t *) tty->driver_data;
+
/* if (serial_paranoia_check(info, tty->device, "rs_ioctl"))
return -ENODEV;*/
switch (cmd) {
@@ -517,7 +539,7 @@
printk("Ignoring TIOCMSET\n");
break;
case TIOCGSERIAL:
- printk("Ignoring TIOCGSERIAL\n");
+ return get_serial_info(us,(struct serial_struct *) arg);
break;
case TIOCSSERIAL:
printk("Ignoring TIOCSSERIAL\n");
--- linux-2.4.24/include/linux/serial.h 2002-08-03 02:39:45.000000000 +0200
+++ linux-qube/linux-2.4.24/linux/include/linux/serial.h 2004-04-03 20:14:37.000000000 +0200
@@ -75,7 +75,8 @@
#define PORT_16654 11
#define PORT_16850 12
#define PORT_RSA 13 /* RSA-DV II/S card */
-#define PORT_MAX 13
+#define PORT_SB1250 14
+#define PORT_MAX 14
#define SERIAL_IO_PORT 0
#define SERIAL_IO_HUB6 1
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