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Char: mxser, add support for CP-114UL 

Add new card (0x1393:0x1143) support added in 1.11 original driver, also
allow rate change in set_serial_info ioctl (as per 1.11 too).

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Reviewed-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jiri Slaby 2008-02-07 00:16:51 -08:00 коммит произвёл Linus Torvalds
Родитель 1c45607ad3
Коммит 80ff8a8051
1 изменённых файлов: 19 добавлений и 10 удалений
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29
drivers/char/mxser.c
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@ -1,8 +1,8 @@
/*
* mxser.c -- MOXA Smartio/Industio family multiport serial driver.
*
* Copyright (C) 1999-2006 Moxa Technologies (support@moxa.com.tw).
* Copyright (C) 2006-2007 Jiri Slaby <jirislaby@gmail.com>
* Copyright (C) 1999-2006 Moxa Technologies (support@moxa.com).
* Copyright (C) 2006-2008 Jiri Slaby <jirislaby@gmail.com>
*
* This code is loosely based on the 1.8 moxa driver which is based on
* Linux serial driver, written by Linus Torvalds, Theodore T'so and
@ -47,7 +47,7 @@
#include "mxser.h"
#define MXSER_VERSION "2.0.2" /* 1.10 */
#define MXSER_VERSION "2.0.3" /* 1.11 */
#define MXSERMAJOR 174
#define MXSERCUMAJOR 175
@ -73,6 +73,7 @@
#define PCI_DEVICE_ID_CB108 0x1080
#define PCI_DEVICE_ID_CB114 0x1142
#define PCI_DEVICE_ID_CP114UL 0x1143
#define PCI_DEVICE_ID_CB134I 0x1341
#define PCI_DEVICE_ID_CP138U 0x1380
#define PCI_DEVICE_ID_POS104UL 0x1044
@ -140,7 +141,8 @@ static const struct mxser_cardinfo mxser_cards[] = {
/*25*/ { "CB-114 series", 4, },
{ "CB-134I series", 4, },
{ "CP-138U series", 8, },
{ "POS-104UL series", 4, }
{ "POS-104UL series", 4, },
{ "CP-114UL series", 4, }
};
/* driver_data correspond to the lines in the structure above
@ -169,6 +171,7 @@ static struct pci_device_id mxser_pcibrds[] = {
{ PCI_VDEVICE(MOXA, PCI_DEVICE_ID_CB134I), .driver_data = 26 },
{ PCI_VDEVICE(MOXA, PCI_DEVICE_ID_CP138U), .driver_data = 27 },
{ PCI_VDEVICE(MOXA, PCI_DEVICE_ID_POS104UL), .driver_data = 28 },
{ PCI_VDEVICE(MOXA, PCI_DEVICE_ID_CP114UL), .driver_data = 29 },
{ }
};
MODULE_DEVICE_TABLE(pci, mxser_pcibrds);
@ -1188,20 +1191,19 @@ static int mxser_set_serial_info(struct mxser_port *info,
struct serial_struct __user *new_info)
{
struct serial_struct new_serial;
speed_t baud;
unsigned long sl_flags;
unsigned int flags;
int retval = 0;
if (!new_info || !info->ioaddr)
return -EFAULT;
return -ENODEV;
if (copy_from_user(&new_serial, new_info, sizeof(new_serial)))
return -EFAULT;
if ((new_serial.irq != info->board->irq) ||
(new_serial.port != info->ioaddr) ||
(new_serial.custom_divisor != info->custom_divisor) ||
(new_serial.baud_base != info->baud_base))
return -EPERM;
if (new_serial.irq != info->board->irq ||
new_serial.port != info->ioaddr)
return -EINVAL;
flags = info->flags & ASYNC_SPD_MASK;
@ -1224,6 +1226,13 @@ static int mxser_set_serial_info(struct mxser_port *info,
info->tty->low_latency =
(info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
info->tty->low_latency = 0;
if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST &&
(new_serial.baud_base != info->baud_base ||
new_serial.custom_divisor !=
info->custom_divisor)) {
baud = new_serial.baud_base / new_serial.custom_divisor;
tty_encode_baud_rate(info->tty, baud, baud);
}
}
info->type = new_serial.type;