176 lines
4.1 KiB
C
176 lines
4.1 KiB
C
/*
|
|
* PCMCIA client driver for AVM A1 / Fritz!PCMCIA
|
|
*
|
|
* Author Carsten Paeth
|
|
* Copyright 1998-2001 by Carsten Paeth <calle@calle.in-berlin.de>
|
|
*
|
|
* This software may be used and distributed according to the terms
|
|
* of the GNU General Public License, incorporated herein by reference.
|
|
*
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/ptrace.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/string.h>
|
|
#include <asm/io.h>
|
|
#include <asm/system.h>
|
|
|
|
#include <pcmcia/cistpl.h>
|
|
#include <pcmcia/ds.h>
|
|
#include "hisax_cfg.h"
|
|
|
|
MODULE_DESCRIPTION("ISDN4Linux: PCMCIA client driver for AVM A1/Fritz!PCMCIA cards");
|
|
MODULE_AUTHOR("Carsten Paeth");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
|
|
/*====================================================================*/
|
|
|
|
/* Parameters that can be set with 'insmod' */
|
|
|
|
static int isdnprot = 2;
|
|
|
|
module_param(isdnprot, int, 0);
|
|
|
|
/*====================================================================*/
|
|
|
|
static int avma1cs_config(struct pcmcia_device *link) __devinit ;
|
|
static void avma1cs_release(struct pcmcia_device *link);
|
|
static void avma1cs_detach(struct pcmcia_device *p_dev) __devexit ;
|
|
|
|
static int __devinit avma1cs_probe(struct pcmcia_device *p_dev)
|
|
{
|
|
dev_dbg(&p_dev->dev, "avma1cs_attach()\n");
|
|
|
|
/* General socket configuration */
|
|
p_dev->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
|
|
p_dev->config_index = 1;
|
|
p_dev->config_regs = PRESENT_OPTION;
|
|
|
|
return avma1cs_config(p_dev);
|
|
} /* avma1cs_attach */
|
|
|
|
static void __devexit avma1cs_detach(struct pcmcia_device *link)
|
|
{
|
|
dev_dbg(&link->dev, "avma1cs_detach(0x%p)\n", link);
|
|
avma1cs_release(link);
|
|
kfree(link->priv);
|
|
} /* avma1cs_detach */
|
|
|
|
static int avma1cs_configcheck(struct pcmcia_device *p_dev, void *priv_data)
|
|
{
|
|
p_dev->resource[0]->end = 16;
|
|
p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
|
|
p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8;
|
|
p_dev->io_lines = 5;
|
|
|
|
return pcmcia_request_io(p_dev);
|
|
}
|
|
|
|
|
|
static int __devinit avma1cs_config(struct pcmcia_device *link)
|
|
{
|
|
int i = -1;
|
|
char devname[128];
|
|
IsdnCard_t icard;
|
|
int busy = 0;
|
|
|
|
dev_dbg(&link->dev, "avma1cs_config(0x%p)\n", link);
|
|
|
|
devname[0] = 0;
|
|
if (link->prod_id[1])
|
|
strlcpy(devname, link->prod_id[1], sizeof(devname));
|
|
|
|
if (pcmcia_loop_config(link, avma1cs_configcheck, NULL))
|
|
return -ENODEV;
|
|
|
|
do {
|
|
/*
|
|
* allocate an interrupt line
|
|
*/
|
|
if (!link->irq) {
|
|
/* undo */
|
|
pcmcia_disable_device(link);
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* configure the PCMCIA socket
|
|
*/
|
|
i = pcmcia_enable_device(link);
|
|
if (i != 0) {
|
|
pcmcia_disable_device(link);
|
|
break;
|
|
}
|
|
|
|
} while (0);
|
|
|
|
/* If any step failed, release any partially configured state */
|
|
if (i != 0) {
|
|
avma1cs_release(link);
|
|
return -ENODEV;
|
|
}
|
|
|
|
icard.para[0] = link->irq;
|
|
icard.para[1] = link->resource[0]->start;
|
|
icard.protocol = isdnprot;
|
|
icard.typ = ISDN_CTYPE_A1_PCMCIA;
|
|
|
|
i = hisax_init_pcmcia(link, &busy, &icard);
|
|
if (i < 0) {
|
|
printk(KERN_ERR "avma1_cs: failed to initialize AVM A1 "
|
|
"PCMCIA %d at i/o %#x\n", i,
|
|
(unsigned int) link->resource[0]->start);
|
|
avma1cs_release(link);
|
|
return -ENODEV;
|
|
}
|
|
link->priv = (void *) (unsigned long) i;
|
|
|
|
return 0;
|
|
} /* avma1cs_config */
|
|
|
|
static void avma1cs_release(struct pcmcia_device *link)
|
|
{
|
|
unsigned long minor = (unsigned long) link->priv;
|
|
|
|
dev_dbg(&link->dev, "avma1cs_release(0x%p)\n", link);
|
|
|
|
/* now unregister function with hisax */
|
|
HiSax_closecard(minor);
|
|
|
|
pcmcia_disable_device(link);
|
|
} /* avma1cs_release */
|
|
|
|
static const struct pcmcia_device_id avma1cs_ids[] = {
|
|
PCMCIA_DEVICE_PROD_ID12("AVM", "ISDN A", 0x95d42008, 0xadc9d4bb),
|
|
PCMCIA_DEVICE_PROD_ID12("ISDN", "CARD", 0x8d9761c8, 0x01c5aa7b),
|
|
PCMCIA_DEVICE_NULL
|
|
};
|
|
MODULE_DEVICE_TABLE(pcmcia, avma1cs_ids);
|
|
|
|
static struct pcmcia_driver avma1cs_driver = {
|
|
.owner = THIS_MODULE,
|
|
.name = "avma1_cs",
|
|
.probe = avma1cs_probe,
|
|
.remove = __devexit_p(avma1cs_detach),
|
|
.id_table = avma1cs_ids,
|
|
};
|
|
|
|
static int __init init_avma1_cs(void)
|
|
{
|
|
return pcmcia_register_driver(&avma1cs_driver);
|
|
}
|
|
|
|
static void __exit exit_avma1_cs(void)
|
|
{
|
|
pcmcia_unregister_driver(&avma1cs_driver);
|
|
}
|
|
|
|
module_init(init_avma1_cs);
|
|
module_exit(exit_avma1_cs);
|