167 lines
4 KiB
C
167 lines
4 KiB
C
|
/* $Id: avm_cs.c,v 1.4.6.3 2001/09/23 22:24:33 kai Exp $
|
||
|
|
*
|
||
|
|
* A PCMCIA client driver for AVM B1/M1/M2
|
||
|
|
*
|
||
|
|
* Copyright 1999 by Carsten Paeth <calle@calle.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/string.h>
|
||
|
|
#include <linux/tty.h>
|
||
|
|
#include <linux/serial.h>
|
||
|
|
#include <linux/major.h>
|
||
|
|
#include <asm/io.h>
|
||
|
|
|
||
|
|
#include <pcmcia/cistpl.h>
|
||
|
|
#include <pcmcia/ciscode.h>
|
||
|
|
#include <pcmcia/ds.h>
|
||
|
|
#include <pcmcia/cisreg.h>
|
||
|
|
|
||
|
|
#include <linux/skbuff.h>
|
||
|
|
#include <linux/capi.h>
|
||
|
|
#include <linux/b1lli.h>
|
||
|
|
#include <linux/b1pcmcia.h>
|
||
|
|
|
||
|
|
/*====================================================================*/
|
||
|
|
|
||
|
|
MODULE_DESCRIPTION("CAPI4Linux: PCMCIA client driver for AVM B1/M1/M2");
|
||
|
|
MODULE_AUTHOR("Carsten Paeth");
|
||
|
|
MODULE_LICENSE("GPL");
|
||
|
|
|
||
|
|
/*====================================================================*/
|
||
|
|
|
||
|
|
static int avmcs_config(struct pcmcia_device *link);
|
||
|
|
static void avmcs_release(struct pcmcia_device *link);
|
||
|
|
static void avmcs_detach(struct pcmcia_device *p_dev);
|
||
|
|
|
||
|
|
static int avmcs_probe(struct pcmcia_device *p_dev)
|
||
|
|
{
|
||
|
|
/* 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 avmcs_config(p_dev);
|
||
|
|
} /* avmcs_attach */
|
||
|
|
|
||
|
|
|
||
|
|
static void avmcs_detach(struct pcmcia_device *link)
|
||
|
|
{
|
||
|
|
avmcs_release(link);
|
||
|
|
} /* avmcs_detach */
|
||
|
|
|
||
|
|
static int avmcs_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;
|
||
|
|
|
||
|
|
return pcmcia_request_io(p_dev);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int avmcs_config(struct pcmcia_device *link)
|
||
|
|
{
|
||
|
|
int i = -1;
|
||
|
|
char devname[128];
|
||
|
|
int cardtype;
|
||
|
|
int (*addcard)(unsigned int port, unsigned irq);
|
||
|
|
|
||
|
|
devname[0] = 0;
|
||
|
|
if (link->prod_id[1])
|
||
|
|
strlcpy(devname, link->prod_id[1], sizeof(devname));
|
||
|
|
|
||
|
|
/*
|
||
|
|
* find IO port
|
||
|
|
*/
|
||
|
|
if (pcmcia_loop_config(link, avmcs_configcheck, NULL))
|
||
|
|
return -ENODEV;
|
||
|
|
|
||
|
|
do {
|
||
|
|
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 (devname[0]) {
|
||
|
|
char *s = strrchr(devname, ' ');
|
||
|
|
if (!s)
|
||
|
|
s = devname;
|
||
|
|
else s++;
|
||
|
|
if (strcmp("M1", s) == 0) {
|
||
|
|
cardtype = AVM_CARDTYPE_M1;
|
||
|
|
} else if (strcmp("M2", s) == 0) {
|
||
|
|
cardtype = AVM_CARDTYPE_M2;
|
||
|
|
} else {
|
||
|
|
cardtype = AVM_CARDTYPE_B1;
|
||
|
|
}
|
||
|
|
} else
|
||
|
|
cardtype = AVM_CARDTYPE_B1;
|
||
|
|
|
||
|
|
/* If any step failed, release any partially configured state */
|
||
|
|
if (i != 0) {
|
||
|
|
avmcs_release(link);
|
||
|
|
return -ENODEV;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
switch (cardtype) {
|
||
|
|
case AVM_CARDTYPE_M1: addcard = b1pcmcia_addcard_m1; break;
|
||
|
|
case AVM_CARDTYPE_M2: addcard = b1pcmcia_addcard_m2; break;
|
||
|
|
default:
|
||
|
|
case AVM_CARDTYPE_B1: addcard = b1pcmcia_addcard_b1; break;
|
||
|
|
}
|
||
|
|
if ((i = (*addcard)(link->resource[0]->start, link->irq)) < 0) {
|
||
|
|
dev_err(&link->dev,
|
||
|
|
"avm_cs: failed to add AVM-Controller at i/o %#x, irq %d\n",
|
||
|
|
(unsigned int) link->resource[0]->start, link->irq);
|
||
|
|
avmcs_release(link);
|
||
|
|
return -ENODEV;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
} /* avmcs_config */
|
||
|
|
|
||
|
|
|
||
|
|
static void avmcs_release(struct pcmcia_device *link)
|
||
|
|
{
|
||
|
|
b1pcmcia_delcard(link->resource[0]->start, link->irq);
|
||
|
|
pcmcia_disable_device(link);
|
||
|
|
} /* avmcs_release */
|
||
|
|
|
||
|
|
|
||
|
|
static const struct pcmcia_device_id avmcs_ids[] = {
|
||
|
|
PCMCIA_DEVICE_PROD_ID12("AVM", "ISDN-Controller B1", 0x95d42008, 0x845dc335),
|
||
|
|
PCMCIA_DEVICE_PROD_ID12("AVM", "Mobile ISDN-Controller M1", 0x95d42008, 0x81e10430),
|
||
|
|
PCMCIA_DEVICE_PROD_ID12("AVM", "Mobile ISDN-Controller M2", 0x95d42008, 0x18e8558a),
|
||
|
|
PCMCIA_DEVICE_NULL
|
||
|
|
};
|
||
|
|
MODULE_DEVICE_TABLE(pcmcia, avmcs_ids);
|
||
|
|
|
||
|
|
static struct pcmcia_driver avmcs_driver = {
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
.name = "avm_cs",
|
||
|
|
.probe = avmcs_probe,
|
||
|
|
.remove = avmcs_detach,
|
||
|
|
.id_table = avmcs_ids,
|
||
|
|
};
|
||
|
|
module_pcmcia_driver(avmcs_driver);
|