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path: root/drivers/isdn/hardware/avm/t1pci.c
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Diffstat (limited to 'drivers/isdn/hardware/avm/t1pci.c')
-rw-r--r--drivers/isdn/hardware/avm/t1pci.c260
1 files changed, 260 insertions, 0 deletions
diff --git a/drivers/isdn/hardware/avm/t1pci.c b/drivers/isdn/hardware/avm/t1pci.c
new file mode 100644
index 0000000..2ceec8e
--- /dev/null
+++ b/drivers/isdn/hardware/avm/t1pci.c
@@ -0,0 +1,260 @@
+/* $Id: t1pci.c,v 1.1.2.2 2004/01/16 21:09:27 keil Exp $
+ *
+ * Module for AVM T1 PCI-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/config.h>
+#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/pci.h>
+#include <linux/capi.h>
+#include <linux/init.h>
+#include <asm/io.h>
+#include <linux/isdn/capicmd.h>
+#include <linux/isdn/capiutil.h>
+#include <linux/isdn/capilli.h>
+#include "avmcard.h"
+
+#undef CONFIG_T1PCI_DEBUG
+#undef CONFIG_T1PCI_POLLDEBUG
+
+/* ------------------------------------------------------------- */
+static char *revision = "$Revision: 1.1.2.2 $";
+/* ------------------------------------------------------------- */
+
+static struct pci_device_id t1pci_pci_tbl[] = {
+ { PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_T1, PCI_ANY_ID, PCI_ANY_ID },
+ { } /* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(pci, t1pci_pci_tbl);
+MODULE_DESCRIPTION("CAPI4Linux: Driver for AVM T1 PCI card");
+MODULE_AUTHOR("Carsten Paeth");
+MODULE_LICENSE("GPL");
+
+/* ------------------------------------------------------------- */
+
+static char *t1pci_procinfo(struct capi_ctr *ctrl);
+
+static int t1pci_add_card(struct capicardparams *p, struct pci_dev *pdev)
+{
+ avmcard *card;
+ avmctrl_info *cinfo;
+ int retval;
+
+ card = b1_alloc_card(1);
+ if (!card) {
+ printk(KERN_WARNING "t1pci: no memory.\n");
+ retval = -ENOMEM;
+ goto err;
+ }
+
+ card->dma = avmcard_dma_alloc("t1pci", pdev, 2048+128, 2048+128);
+ if (!card->dma) {
+ printk(KERN_WARNING "t1pci: no memory.\n");
+ retval = -ENOMEM;
+ goto err_free;
+ }
+
+ cinfo = card->ctrlinfo;
+ sprintf(card->name, "t1pci-%x", p->port);
+ card->port = p->port;
+ card->irq = p->irq;
+ card->membase = p->membase;
+ card->cardtype = avm_t1pci;
+
+ if (!request_region(card->port, AVMB1_PORTLEN, card->name)) {
+ printk(KERN_WARNING "t1pci: ports 0x%03x-0x%03x in use.\n",
+ card->port, card->port + AVMB1_PORTLEN);
+ retval = -EBUSY;
+ goto err_free_dma;
+ }
+
+ card->mbase = ioremap(card->membase, 64);
+ if (!card->mbase) {
+ printk(KERN_NOTICE "t1pci: can't remap memory at 0x%lx\n",
+ card->membase);
+ retval = -EIO;
+ goto err_release_region;
+ }
+
+ b1dma_reset(card);
+
+ retval = t1pci_detect(card);
+ if (retval != 0) {
+ if (retval < 6)
+ printk(KERN_NOTICE "t1pci: NO card at 0x%x (%d)\n",
+ card->port, retval);
+ else
+ printk(KERN_NOTICE "t1pci: card at 0x%x, but cable not connected or T1 has no power (%d)\n",
+ card->port, retval);
+ retval = -EIO;
+ goto err_unmap;
+ }
+ b1dma_reset(card);
+
+ retval = request_irq(card->irq, b1dma_interrupt, SA_SHIRQ, card->name, card);
+ if (retval) {
+ printk(KERN_ERR "t1pci: unable to get IRQ %d.\n", card->irq);
+ retval = -EBUSY;
+ goto err_unmap;
+ }
+
+ cinfo->capi_ctrl.owner = THIS_MODULE;
+ cinfo->capi_ctrl.driver_name = "t1pci";
+ cinfo->capi_ctrl.driverdata = cinfo;
+ cinfo->capi_ctrl.register_appl = b1dma_register_appl;
+ cinfo->capi_ctrl.release_appl = b1dma_release_appl;
+ cinfo->capi_ctrl.send_message = b1dma_send_message;
+ cinfo->capi_ctrl.load_firmware = b1dma_load_firmware;
+ cinfo->capi_ctrl.reset_ctr = b1dma_reset_ctr;
+ cinfo->capi_ctrl.procinfo = t1pci_procinfo;
+ cinfo->capi_ctrl.ctr_read_proc = b1dmactl_read_proc;
+ strcpy(cinfo->capi_ctrl.name, card->name);
+
+ retval = attach_capi_ctr(&cinfo->capi_ctrl);
+ if (retval) {
+ printk(KERN_ERR "t1pci: attach controller failed.\n");
+ retval = -EBUSY;
+ goto err_free_irq;
+ }
+ card->cardnr = cinfo->capi_ctrl.cnr;
+
+ printk(KERN_INFO "t1pci: AVM T1 PCI at i/o %#x, irq %d, mem %#lx\n",
+ card->port, card->irq, card->membase);
+
+ pci_set_drvdata(pdev, card);
+ return 0;
+
+ err_free_irq:
+ free_irq(card->irq, card);
+ err_unmap:
+ iounmap(card->mbase);
+ err_release_region:
+ release_region(card->port, AVMB1_PORTLEN);
+ err_free_dma:
+ avmcard_dma_free(card->dma);
+ err_free:
+ b1_free_card(card);
+ err:
+ return retval;
+}
+
+/* ------------------------------------------------------------- */
+
+static void t1pci_remove(struct pci_dev *pdev)
+{
+ avmcard *card = pci_get_drvdata(pdev);
+ avmctrl_info *cinfo = card->ctrlinfo;
+
+ b1dma_reset(card);
+
+ detach_capi_ctr(&cinfo->capi_ctrl);
+ free_irq(card->irq, card);
+ iounmap(card->mbase);
+ release_region(card->port, AVMB1_PORTLEN);
+ avmcard_dma_free(card->dma);
+ b1_free_card(card);
+}
+
+/* ------------------------------------------------------------- */
+
+static char *t1pci_procinfo(struct capi_ctr *ctrl)
+{
+ avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
+
+ if (!cinfo)
+ return "";
+ sprintf(cinfo->infobuf, "%s %s 0x%x %d 0x%lx",
+ 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->membase : 0
+ );
+ return cinfo->infobuf;
+}
+
+/* ------------------------------------------------------------- */
+
+static int __devinit t1pci_probe(struct pci_dev *dev,
+ const struct pci_device_id *ent)
+{
+ struct capicardparams param;
+ int retval;
+
+ if (pci_enable_device(dev) < 0) {
+ printk(KERN_ERR "t1pci: failed to enable AVM-T1-PCI\n");
+ return -ENODEV;
+ }
+ pci_set_master(dev);
+
+ param.port = pci_resource_start(dev, 1);
+ param.irq = dev->irq;
+ param.membase = pci_resource_start(dev, 0);
+
+ printk(KERN_INFO "t1pci: PCI BIOS reports AVM-T1-PCI at i/o %#x, irq %d, mem %#x\n",
+ param.port, param.irq, param.membase);
+
+ retval = t1pci_add_card(&param, dev);
+ if (retval != 0) {
+ printk(KERN_ERR "t1pci: no AVM-T1-PCI at i/o %#x, irq %d detected, mem %#x\n",
+ param.port, param.irq, param.membase);
+ return -ENODEV;
+ }
+ return 0;
+}
+
+static struct pci_driver t1pci_pci_driver = {
+ .name = "t1pci",
+ .id_table = t1pci_pci_tbl,
+ .probe = t1pci_probe,
+ .remove = t1pci_remove,
+};
+
+static struct capi_driver capi_driver_t1pci = {
+ .name = "t1pci",
+ .revision = "1.0",
+};
+
+static int __init t1pci_init(void)
+{
+ char *p;
+ char rev[32];
+ int err;
+
+ if ((p = strchr(revision, ':')) != 0 && p[1]) {
+ strlcpy(rev, p + 2, 32);
+ if ((p = strchr(rev, '$')) != 0 && p > rev)
+ *(p-1) = 0;
+ } else
+ strcpy(rev, "1.0");
+
+ err = pci_register_driver(&t1pci_pci_driver);
+ if (!err) {
+ strlcpy(capi_driver_t1pci.revision, rev, 32);
+ register_capi_driver(&capi_driver_t1pci);
+ printk(KERN_INFO "t1pci: revision %s\n", rev);
+ }
+ return err;
+}
+
+static void __exit t1pci_exit(void)
+{
+ unregister_capi_driver(&capi_driver_t1pci);
+ pci_unregister_driver(&t1pci_pci_driver);
+}
+
+module_init(t1pci_init);
+module_exit(t1pci_exit);
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