1 files changed, 417 insertions, 0 deletions

diff --git a/drivers/isdn/hardware/avm/b1pci.c b/drivers/isdn/hardware/avm/b1pci.c
new file mode 100644
index 000000000000..5435a6cfb5e7
--- /dev/null
+++ b/drivers/isdn/hardware/avm/b1pci.c
@@ -0,0 +1,417 @@
+/* $Id: b1pci.c,v 1.1.2.2 2004/01/16 21:09:27 keil Exp $
+ * 
+ * Module for AVM B1 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 <asm/io.h>
+#include <linux/init.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 $";
+
+/* ------------------------------------------------------------- */
+
+static struct pci_device_id b1pci_pci_tbl[] = {
+        { PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_B1, PCI_ANY_ID, PCI_ANY_ID },
+        { }                             /* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(pci, b1pci_pci_tbl);
+MODULE_DESCRIPTION("CAPI4Linux: Driver for AVM B1 PCI card");
+MODULE_AUTHOR("Carsten Paeth");
+MODULE_LICENSE("GPL");
+
+/* ------------------------------------------------------------- */
+
+static char *b1pci_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;
+}
+
+/* ------------------------------------------------------------- */
+
+static int b1pci_probe(struct capicardparams *p, struct pci_dev *pdev)
+{
+        avmcard *card;
+        avmctrl_info *cinfo;
+        int retval;
+
+        card = b1_alloc_card(1);
+        if (!card) {
+                printk(KERN_WARNING "b1pci: no memory.\n");
+                retval = -ENOMEM;
+                goto err;
+        }
+
+        cinfo = card->ctrlinfo;
+        sprintf(card->name, "b1pci-%x", p->port);
+        card->port = p->port;
+        card->irq = p->irq;
+        card->cardtype = avm_b1pci;
+        
+        if (!request_region(card->port, AVMB1_PORTLEN, card->name)) {
+                printk(KERN_WARNING "b1pci: ports 0x%03x-0x%03x in use.\n",
+                       card->port, card->port + AVMB1_PORTLEN);
+                retval = -EBUSY;
+                goto err_free;
+        }
+        b1_reset(card->port);
+        retval = b1_detect(card->port, card->cardtype);
+        if (retval) {
+                printk(KERN_NOTICE "b1pci: NO card at 0x%x (%d)\n",
+                       card->port, retval);
+                retval = -ENODEV;
+                goto err_release_region;
+        }
+        b1_reset(card->port);
+        b1_getrevision(card);
+        
+        retval = request_irq(card->irq, b1_interrupt, SA_SHIRQ, card->name, card);
+        if (retval) {
+                printk(KERN_ERR "b1pci: unable to get IRQ %d.\n", card->irq);
+                retval = -EBUSY;
+                goto err_release_region;
+        }
+        
+        cinfo->capi_ctrl.driver_name   = "b1pci";
+        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      = b1pci_procinfo;
+        cinfo->capi_ctrl.ctr_read_proc = b1ctl_read_proc;
+        strcpy(cinfo->capi_ctrl.name, card->name);
+        cinfo->capi_ctrl.owner         = THIS_MODULE;
+
+        retval = attach_capi_ctr(&cinfo->capi_ctrl);
+        if (retval) {
+                printk(KERN_ERR "b1pci: attach controller failed.\n");
+                goto err_free_irq;
+        }
+
+        if (card->revision >= 4) {
+                printk(KERN_INFO "b1pci: AVM B1 PCI V4 at i/o %#x, irq %d, revision %d (no dma)\n",
+                       card->port, card->irq, card->revision);
+        } else {
+                printk(KERN_INFO "b1pci: AVM B1 PCI at i/o %#x, irq %d, revision %d\n",
+                       card->port, card->irq, card->revision);
+        }
+
+        pci_set_drvdata(pdev, card);
+        return 0;
+
+ err_free_irq:
+        free_irq(card->irq, card);
+ err_release_region:
+        release_region(card->port, AVMB1_PORTLEN);
+ err_free:
+        b1_free_card(card);
+ err:
+        return retval;
+}
+
+static void b1pci_remove(struct pci_dev *pdev)
+{
+        avmcard *card = pci_get_drvdata(pdev);
+        avmctrl_info *cinfo = card->ctrlinfo;
+        unsigned int port = card->port;
+
+        b1_reset(port);
+        b1_reset(port);
+
+        detach_capi_ctr(&cinfo->capi_ctrl);
+        free_irq(card->irq, card);
+        release_region(card->port, AVMB1_PORTLEN);
+        b1_free_card(card);
+}
+
+#ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4
+/* ------------------------------------------------------------- */
+
+static char *b1pciv4_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 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->membase : 0,
+                cinfo->card ? cinfo->card->revision : 0
+                );
+        return cinfo->infobuf;
+}
+
+/* ------------------------------------------------------------- */
+
+static int b1pciv4_probe(struct capicardparams *p, struct pci_dev *pdev)
+{
+        avmcard *card;
+        avmctrl_info *cinfo;
+        int retval;
+
+        card = b1_alloc_card(1);
+        if (!card) {
+                printk(KERN_WARNING "b1pci: no memory.\n");
+                retval = -ENOMEM;
+                goto err;
+        }
+
+        card->dma = avmcard_dma_alloc("b1pci", pdev, 2048+128, 2048+128);
+        if (!card->dma) {
+                printk(KERN_WARNING "b1pci: dma alloc.\n");
+                retval = -ENOMEM;
+                goto err_free;
+        }
+
+        cinfo = card->ctrlinfo;
+        sprintf(card->name, "b1pciv4-%x", p->port);
+        card->port = p->port;
+        card->irq = p->irq;
+        card->membase = p->membase;
+        card->cardtype = avm_b1pci;
+
+        if (!request_region(card->port, AVMB1_PORTLEN, card->name)) {
+                printk(KERN_WARNING "b1pci: 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 "b1pci: can't remap memory at 0x%lx\n",
+                       card->membase);
+                retval = -ENOMEM;
+                goto err_release_region;
+        }
+
+        b1dma_reset(card);
+
+        retval = b1pciv4_detect(card);
+        if (retval) {
+                printk(KERN_NOTICE "b1pci: NO card at 0x%x (%d)\n",
+                       card->port, retval);
+                retval = -ENODEV;
+                goto err_unmap;
+        }
+        b1dma_reset(card);
+        b1_getrevision(card);
+
+        retval = request_irq(card->irq, b1dma_interrupt, SA_SHIRQ, card->name, card);
+        if (retval) {
+                printk(KERN_ERR "b1pci: unable to get IRQ %d.\n",
+                       card->irq);
+                retval = -EBUSY;
+                goto err_unmap;
+        }
+
+        cinfo->capi_ctrl.owner         = THIS_MODULE;
+        cinfo->capi_ctrl.driver_name   = "b1pciv4";
+        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      = b1pciv4_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 "b1pci: attach controller failed.\n");
+                goto err_free_irq;
+        }
+        card->cardnr = cinfo->capi_ctrl.cnr;
+
+        printk(KERN_INFO "b1pci: AVM B1 PCI V4 at i/o %#x, irq %d, mem %#lx, revision %d (dma)\n",
+               card->port, card->irq, card->membase, card->revision);
+
+        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 b1pciv4_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);
+}
+
+#endif /* CONFIG_ISDN_DRV_AVMB1_B1PCIV4 */
+
+static int __devinit b1pci_pci_probe(struct pci_dev *pdev,
+                                     const struct pci_device_id *ent)
+{
+        struct capicardparams param;
+        int retval;
+
+        if (pci_enable_device(pdev) < 0) {
+                printk(KERN_ERR "b1pci: failed to enable AVM-B1\n");
+                return -ENODEV;
+        }
+        param.irq = pdev->irq;
+
+        if (pci_resource_start(pdev, 2)) { /* B1 PCI V4 */
+#ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4
+                pci_set_master(pdev);
+#endif
+                param.membase = pci_resource_start(pdev, 0);
+                param.port = pci_resource_start(pdev, 2);
+
+                printk(KERN_INFO "b1pci: PCI BIOS reports AVM-B1 V4 at i/o %#x, irq %d, mem %#x\n",
+                       param.port, param.irq, param.membase);
+#ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4
+                retval = b1pciv4_probe(&param, pdev);
+#else
+                retval = b1pci_probe(&param, pdev);
+#endif
+                if (retval != 0) {
+                        printk(KERN_ERR "b1pci: no AVM-B1 V4 at i/o %#x, irq %d, mem %#x detected\n",
+                               param.port, param.irq, param.membase);
+                }
+        } else {
+                param.membase = 0;
+                param.port = pci_resource_start(pdev, 1);
+
+                printk(KERN_INFO "b1pci: PCI BIOS reports AVM-B1 at i/o %#x, irq %d\n",
+                       param.port, param.irq);
+                retval = b1pci_probe(&param, pdev);
+                if (retval != 0) {
+                        printk(KERN_ERR "b1pci: no AVM-B1 at i/o %#x, irq %d detected\n",
+                               param.port, param.irq);
+                }
+        }
+        return retval;
+}
+
+static void __devexit b1pci_pci_remove(struct pci_dev *pdev)
+{
+#ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4
+        avmcard *card = pci_get_drvdata(pdev);
+
+        if (card->dma)
+                b1pciv4_remove(pdev);
+        else
+                b1pci_remove(pdev);
+#else
+        b1pci_remove(pdev);
+#endif
+}
+
+static struct pci_driver b1pci_pci_driver = {
+        .name           = "b1pci",
+        .id_table       = b1pci_pci_tbl,
+        .probe          = b1pci_pci_probe,
+        .remove         = __devexit_p(b1pci_pci_remove),
+};
+
+static struct capi_driver capi_driver_b1pci = {
+        .name           = "b1pci",
+        .revision       = "1.0",
+};
+#ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4
+static struct capi_driver capi_driver_b1pciv4 = {
+        .name           = "b1pciv4",
+        .revision       = "1.0",
+};
+#endif
+
+static int __init b1pci_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(&b1pci_pci_driver);
+        if (!err) {
+                strlcpy(capi_driver_b1pci.revision, rev, 32);
+                register_capi_driver(&capi_driver_b1pci);
+#ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4
+                strlcpy(capi_driver_b1pciv4.revision, rev, 32);
+                register_capi_driver(&capi_driver_b1pciv4);
+#endif
+                printk(KERN_INFO "b1pci: revision %s\n", rev);
+        }
+        return err;
+}
+
+static void __exit b1pci_exit(void)
+{
+        unregister_capi_driver(&capi_driver_b1pci);
+#ifdef CONFIG_ISDN_DRV_AVMB1_B1PCIV4
+        unregister_capi_driver(&capi_driver_b1pciv4);
+#endif
+        pci_unregister_driver(&b1pci_pci_driver);
+}
+
+module_init(b1pci_init);
+module_exit(b1pci_exit);