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 000000000000..2ceec8e8419f
--- /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);