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path: root/drivers/isdn/hardware/avm/b1pcmcia.c
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Diffstat (limited to 'drivers/isdn/hardware/avm/b1pcmcia.c')
-rw-r--r--drivers/isdn/hardware/avm/b1pcmcia.c224
1 files changed, 224 insertions, 0 deletions
diff --git a/drivers/isdn/hardware/avm/b1pcmcia.c b/drivers/isdn/hardware/avm/b1pcmcia.c
new file mode 100644
index 000000000..6b0d19d96
--- /dev/null
+++ b/drivers/isdn/hardware/avm/b1pcmcia.c
@@ -0,0 +1,224 @@
+/* $Id: b1pcmcia.c,v 1.1.2.2 2004/01/16 21:09:27 keil Exp $
+ *
+ * Module for AVM B1/M1/M2 PCMCIA-card.
+ *
+ * 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/skbuff.h>
+#include <linux/delay.h>
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/init.h>
+#include <asm/io.h>
+#include <linux/capi.h>
+#include <linux/b1pcmcia.h>
+#include <linux/isdn/capicmd.h>
+#include <linux/isdn/capiutil.h>
+#include <linux/isdn/capilli.h>
+#include "avmcard.h"
+
+/* ------------------------------------------------------------- */
+
+static char *revision = "$Revision: 1.1.2.2 $";
+
+/* ------------------------------------------------------------- */
+
+MODULE_DESCRIPTION("CAPI4Linux: Driver for AVM PCMCIA cards");
+MODULE_AUTHOR("Carsten Paeth");
+MODULE_LICENSE("GPL");
+
+/* ------------------------------------------------------------- */
+
+static void b1pcmcia_remove_ctr(struct capi_ctr *ctrl)
+{
+ avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
+ avmcard *card = cinfo->card;
+ unsigned int port = card->port;
+
+ b1_reset(port);
+ b1_reset(port);
+
+ detach_capi_ctr(ctrl);
+ free_irq(card->irq, card);
+ b1_free_card(card);
+}
+
+/* ------------------------------------------------------------- */
+
+static LIST_HEAD(cards);
+
+static char *b1pcmcia_procinfo(struct capi_ctr *ctrl);
+
+static int b1pcmcia_add_card(unsigned int port, unsigned irq,
+ enum avmcardtype cardtype)
+{
+ avmctrl_info *cinfo;
+ avmcard *card;
+ char *cardname;
+ int retval;
+
+ card = b1_alloc_card(1);
+ if (!card) {
+ printk(KERN_WARNING "b1pcmcia: no memory.\n");
+ retval = -ENOMEM;
+ goto err;
+ }
+ cinfo = card->ctrlinfo;
+
+ switch (cardtype) {
+ case avm_m1: sprintf(card->name, "m1-%x", port); break;
+ case avm_m2: sprintf(card->name, "m2-%x", port); break;
+ default: sprintf(card->name, "b1pcmcia-%x", port); break;
+ }
+ card->port = port;
+ card->irq = irq;
+ card->cardtype = cardtype;
+
+ retval = request_irq(card->irq, b1_interrupt, IRQF_SHARED, card->name, card);
+ if (retval) {
+ printk(KERN_ERR "b1pcmcia: unable to get IRQ %d.\n",
+ card->irq);
+ retval = -EBUSY;
+ goto err_free;
+ }
+ b1_reset(card->port);
+ if ((retval = b1_detect(card->port, card->cardtype)) != 0) {
+ printk(KERN_NOTICE "b1pcmcia: NO card at 0x%x (%d)\n",
+ card->port, retval);
+ retval = -ENODEV;
+ goto err_free_irq;
+ }
+ b1_reset(card->port);
+ b1_getrevision(card);
+
+ cinfo->capi_ctrl.owner = THIS_MODULE;
+ cinfo->capi_ctrl.driver_name = "b1pcmcia";
+ cinfo->capi_ctrl.driverdata = cinfo;
+ cinfo->capi_ctrl.register_appl = b1_register_appl;
+ cinfo->capi_ctrl.release_appl = b1_release_appl;
+ cinfo->capi_ctrl.send_message = b1_send_message;
+ cinfo->capi_ctrl.load_firmware = b1_load_firmware;
+ cinfo->capi_ctrl.reset_ctr = b1_reset_ctr;
+ cinfo->capi_ctrl.procinfo = b1pcmcia_procinfo;
+ cinfo->capi_ctrl.proc_fops = &b1ctl_proc_fops;
+ strcpy(cinfo->capi_ctrl.name, card->name);
+
+ retval = attach_capi_ctr(&cinfo->capi_ctrl);
+ if (retval) {
+ printk(KERN_ERR "b1pcmcia: attach controller failed.\n");
+ goto err_free_irq;
+ }
+ switch (cardtype) {
+ case avm_m1: cardname = "M1"; break;
+ case avm_m2: cardname = "M2"; break;
+ default: cardname = "B1 PCMCIA"; break;
+ }
+
+ printk(KERN_INFO "b1pcmcia: AVM %s at i/o %#x, irq %d, revision %d\n",
+ cardname, card->port, card->irq, card->revision);
+
+ list_add(&card->list, &cards);
+ return cinfo->capi_ctrl.cnr;
+
+err_free_irq:
+ free_irq(card->irq, card);
+err_free:
+ b1_free_card(card);
+err:
+ return retval;
+}
+
+/* ------------------------------------------------------------- */
+
+static char *b1pcmcia_procinfo(struct capi_ctr *ctrl)
+{
+ avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
+
+ if (!cinfo)
+ return "";
+ sprintf(cinfo->infobuf, "%s %s 0x%x %d r%d",
+ cinfo->cardname[0] ? cinfo->cardname : "-",
+ cinfo->version[VER_DRIVER] ? cinfo->version[VER_DRIVER] : "-",
+ cinfo->card ? cinfo->card->port : 0x0,
+ cinfo->card ? cinfo->card->irq : 0,
+ cinfo->card ? cinfo->card->revision : 0
+ );
+ return cinfo->infobuf;
+}
+
+/* ------------------------------------------------------------- */
+
+int b1pcmcia_addcard_b1(unsigned int port, unsigned irq)
+{
+ return b1pcmcia_add_card(port, irq, avm_b1pcmcia);
+}
+
+int b1pcmcia_addcard_m1(unsigned int port, unsigned irq)
+{
+ return b1pcmcia_add_card(port, irq, avm_m1);
+}
+
+int b1pcmcia_addcard_m2(unsigned int port, unsigned irq)
+{
+ return b1pcmcia_add_card(port, irq, avm_m2);
+}
+
+int b1pcmcia_delcard(unsigned int port, unsigned irq)
+{
+ struct list_head *l;
+ avmcard *card;
+
+ list_for_each(l, &cards) {
+ card = list_entry(l, avmcard, list);
+ if (card->port == port && card->irq == irq) {
+ b1pcmcia_remove_ctr(&card->ctrlinfo[0].capi_ctrl);
+ return 0;
+ }
+ }
+ return -ESRCH;
+}
+
+EXPORT_SYMBOL(b1pcmcia_addcard_b1);
+EXPORT_SYMBOL(b1pcmcia_addcard_m1);
+EXPORT_SYMBOL(b1pcmcia_addcard_m2);
+EXPORT_SYMBOL(b1pcmcia_delcard);
+
+static struct capi_driver capi_driver_b1pcmcia = {
+ .name = "b1pcmcia",
+ .revision = "1.0",
+};
+
+static int __init b1pcmcia_init(void)
+{
+ char *p;
+ char rev[32];
+
+ if ((p = strchr(revision, ':')) != NULL && p[1]) {
+ strlcpy(rev, p + 2, 32);
+ if ((p = strchr(rev, '$')) != NULL && p > rev)
+ *(p - 1) = 0;
+ } else
+ strcpy(rev, "1.0");
+
+ strlcpy(capi_driver_b1pcmcia.revision, rev, 32);
+ register_capi_driver(&capi_driver_b1pcmcia);
+ printk(KERN_INFO "b1pci: revision %s\n", rev);
+
+ return 0;
+}
+
+static void __exit b1pcmcia_exit(void)
+{
+ unregister_capi_driver(&capi_driver_b1pcmcia);
+}
+
+module_init(b1pcmcia_init);
+module_exit(b1pcmcia_exit);