summaryrefslogtreecommitdiffstats
path: root/drivers/char/pcmcia/serial_cb.c
diff options
context:
space:
mode:
authorRalf Baechle <ralf@linux-mips.org>2001-04-05 04:55:58 +0000
committerRalf Baechle <ralf@linux-mips.org>2001-04-05 04:55:58 +0000
commit74a9f2e1b4d3ab45a9f72cb5b556c9f521524ab3 (patch)
tree7c4cdb103ab1b388c9852a88bd6fb1e73eba0b5c /drivers/char/pcmcia/serial_cb.c
parentee6374c8b0d333c08061c6a97bc77090d7461225 (diff)
Merge with Linux 2.4.3.
Note that mingetty does no longer work with serial console, you have to switch to another getty like getty_ps. This commit also includes a fix for a setitimer bug which did prevent getty_ps from working on older kernels.
Diffstat (limited to 'drivers/char/pcmcia/serial_cb.c')
-rw-r--r--drivers/char/pcmcia/serial_cb.c163
1 files changed, 0 insertions, 163 deletions
diff --git a/drivers/char/pcmcia/serial_cb.c b/drivers/char/pcmcia/serial_cb.c
deleted file mode 100644
index 2dadac4ad..000000000
--- a/drivers/char/pcmcia/serial_cb.c
+++ /dev/null
@@ -1,163 +0,0 @@
-/*======================================================================
-
- A driver for CardBus serial devices
-
- serial_cb.c 1.20 2000/08/07 19:02:03
-
- Copyright 1998, 1999 by Donald Becker and David Hinds
-
- This software may be used and distributed according to the terms
- of the GNU General Public License, incorporated herein by reference.
- All other rights reserved.
-
- This driver is an activator for CardBus serial cards, as
- found on multifunction (e.g. Ethernet and Modem) CardBus cards.
-
- Donald Becker may be reached as becker@CESDIS.edu, or C/O
- USRA Center of Excellence in Space Data and Information Sciences
- Code 930.5, NASA Goddard Space Flight Center, Greenbelt MD 20771
- David Hinds may be reached at dahinds@users.sourceforge.net
-
-======================================================================*/
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/tty.h>
-#include <linux/serial.h>
-#include <linux/major.h>
-#include <linux/pci.h>
-#include <asm/io.h>
-
-#include <pcmcia/driver_ops.h>
-
-#ifdef PCMCIA_DEBUG
-static int pc_debug = PCMCIA_DEBUG;
-MODULE_PARM(pc_debug, "i");
-#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
-static char *version =
-"serial_cb.c 1.20 2000/08/07 19:02:03 (David Hinds)";
-#else
-#define DEBUG(n, args...)
-#endif
-
-/*======================================================================
-
- Card-specific configuration hacks
-
-======================================================================*/
-
-static void device_setup(struct pci_dev *pdev, u_int ioaddr)
-{
- u_short a, b;
-
- a = pdev->subsystem_vendor;
- b = pdev->subsystem_device;
- if (((a == 0x13a2) && (b == 0x8007)) ||
- ((a == 0x1420) && (b == 0x8003))) {
- /* Ositech, Psion 83c175-based cards */
- DEBUG(0, " 83c175 NVCTL_m = 0x%4.4x.\n", inl(ioaddr+0x80));
- outl(0x4C00, ioaddr + 0x80);
- outl(0x4C80, ioaddr + 0x80);
- }
- DEBUG(0, " modem registers are %2.2x %2.2x %2.2x "
- "%2.2x %2.2x %2.2x %2.2x %2.2x %2.2x.\n",
- inb(ioaddr + 0), inb(ioaddr + 1), inb(ioaddr + 2),
- inb(ioaddr + 3), inb(ioaddr + 4), inb(ioaddr + 5),
- inb(ioaddr + 6), inb(ioaddr + 7), inb(ioaddr + 8));
-}
-
-/*======================================================================
-
- serial_attach() creates a serial device "instance" and registers
- it with the kernel serial driver, and serial_detach() unregisters
- an instance.
-
-======================================================================*/
-
-static dev_node_t *serial_attach(dev_locator_t *loc)
-{
- u_int io;
- u_char irq;
- int line;
- struct serial_struct serial;
- struct pci_dev *pdev;
- dev_node_t *node;
-
- MOD_INC_USE_COUNT;
-
- if (loc->bus != LOC_PCI) goto err_out;
- pdev = pci_find_slot (loc->b.pci.bus, loc->b.pci.devfn);
- if (!pdev) goto err_out;
- if (pci_enable_device(pdev)) goto err_out;
-
- printk(KERN_INFO "serial_attach(bus %d, fn %d)\n", pdev->bus->number, pdev->devfn);
- io = pci_resource_start (pdev, 0);
- irq = pdev->irq;
- if (!(pci_resource_flags(pdev, 0) & IORESOURCE_IO)) {
- printk(KERN_NOTICE "serial_cb: PCI base address 0 is not IO\n");
- goto err_out;
- }
- device_setup(pdev, io);
- memset(&serial, 0, sizeof(serial));
- serial.port = io; serial.irq = irq;
- serial.flags = ASYNC_SKIP_TEST | ASYNC_SHARE_IRQ;
-
- /* Some devices seem to need extra time */
- __set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(HZ/50);
-
- line = register_serial(&serial);
- if (line < 0) {
- printk(KERN_NOTICE "serial_cb: register_serial() at 0x%04x, "
- "irq %d failed\n", serial.port, serial.irq);
- goto err_out;
- }
-
- node = kmalloc(sizeof(dev_node_t), GFP_KERNEL);
- if (!node)
- goto err_out_unregister;
- sprintf(node->dev_name, "ttyS%d", line);
- node->major = TTY_MAJOR; node->minor = 0x40 + line;
- node->next = NULL;
- return node;
-
-err_out_unregister:
- unregister_serial(line);
-err_out:
- MOD_DEC_USE_COUNT;
- return NULL;
-}
-
-static void serial_detach(dev_node_t *node)
-{
- DEBUG(0, "serial_detach(ttyS%02d)\n", node->minor - 0x40);
- unregister_serial(node->minor - 0x40);
- kfree(node);
- MOD_DEC_USE_COUNT;
-}
-
-/*====================================================================*/
-
-struct driver_operations serial_ops = {
- "serial_cb", serial_attach, NULL, NULL, serial_detach
-};
-
-static int __init init_serial_cb(void)
-{
- DEBUG(0, "%s\n", version);
- register_driver(&serial_ops);
- return 0;
-}
-
-static void __exit exit_serial_cb(void)
-{
- DEBUG(0, "serial_cb: unloading\n");
- unregister_driver(&serial_ops);
-}
-
-module_init(init_serial_cb);
-module_exit(exit_serial_cb);