Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 848 insertions, 0 deletions

diff --git a/drivers/isdn/hardware/eicon/divasmain.c b/drivers/isdn/hardware/eicon/divasmain.c
new file mode 100644
index 000000000..b6a3950b2
--- /dev/null
+++ b/drivers/isdn/hardware/eicon/divasmain.c
@@ -0,0 +1,848 @@
+/* $Id: divasmain.c,v 1.55.4.6 2005/02/09 19:28:20 armin Exp $
+ *
+ * Low level driver for Eicon DIVA Server ISDN cards.
+ *
+ * Copyright 2000-2003 by Armin Schindler (mac@melware.de)
+ * Copyright 2000-2003 Cytronics & Melware (info@melware.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/init.h>
+#include <linux/kernel.h>
+#include <linux/uaccess.h>
+#include <asm/io.h>
+#include <linux/ioport.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/poll.h>
+#include <linux/kmod.h>
+
+#include "platform.h"
+#undef ID_MASK
+#undef N_DATA
+#include "pc.h"
+#include "di_defs.h"
+#include "divasync.h"
+#include "diva.h"
+#include "di.h"
+#include "io.h"
+#include "xdi_msg.h"
+#include "xdi_adapter.h"
+#include "xdi_vers.h"
+#include "diva_dma.h"
+#include "diva_pci.h"
+
+static char *main_revision = "$Revision: 1.55.4.6 $";
+
+static int major;
+
+static int dbgmask;
+
+MODULE_DESCRIPTION("Kernel driver for Eicon DIVA Server cards");
+MODULE_AUTHOR("Cytronics & Melware, Eicon Networks");
+MODULE_LICENSE("GPL");
+
+module_param(dbgmask, int, 0);
+MODULE_PARM_DESC(dbgmask, "initial debug mask");
+
+static char *DRIVERNAME =
+	"Eicon DIVA Server driver (http://www.melware.net)";
+static char *DRIVERLNAME = "divas";
+static char *DEVNAME = "Divas";
+char *DRIVERRELEASE_DIVAS = "2.0";
+
+extern irqreturn_t diva_os_irq_wrapper(int irq, void *context);
+extern int create_divas_proc(void);
+extern void remove_divas_proc(void);
+extern void diva_get_vserial_number(PISDN_ADAPTER IoAdapter, char *buf);
+extern int divasfunc_init(int dbgmask);
+extern void divasfunc_exit(void);
+
+typedef struct _diva_os_thread_dpc {
+	struct tasklet_struct divas_task;
+	diva_os_soft_isr_t *psoft_isr;
+} diva_os_thread_dpc_t;
+
+/* --------------------------------------------------------------------------
+   PCI driver interface section
+   -------------------------------------------------------------------------- */
+/*
+  vendor, device	Vendor and device ID to match (or PCI_ANY_ID)
+  subvendor,	Subsystem vendor and device ID to match (or PCI_ANY_ID)
+  subdevice
+  class,		Device class to match. The class_mask tells which bits
+  class_mask	of the class are honored during the comparison.
+  driver_data	Data private to the driver.
+*/
+
+#if !defined(PCI_DEVICE_ID_EICON_MAESTRAP_2)
+#define PCI_DEVICE_ID_EICON_MAESTRAP_2       0xE015
+#endif
+
+#if !defined(PCI_DEVICE_ID_EICON_4BRI_VOIP)
+#define PCI_DEVICE_ID_EICON_4BRI_VOIP        0xE016
+#endif
+
+#if !defined(PCI_DEVICE_ID_EICON_4BRI_2_VOIP)
+#define PCI_DEVICE_ID_EICON_4BRI_2_VOIP      0xE017
+#endif
+
+#if !defined(PCI_DEVICE_ID_EICON_BRI2M_2)
+#define PCI_DEVICE_ID_EICON_BRI2M_2          0xE018
+#endif
+
+#if !defined(PCI_DEVICE_ID_EICON_MAESTRAP_2_VOIP)
+#define PCI_DEVICE_ID_EICON_MAESTRAP_2_VOIP  0xE019
+#endif
+
+#if !defined(PCI_DEVICE_ID_EICON_2F)
+#define PCI_DEVICE_ID_EICON_2F               0xE01A
+#endif
+
+#if !defined(PCI_DEVICE_ID_EICON_BRI2M_2_VOIP)
+#define PCI_DEVICE_ID_EICON_BRI2M_2_VOIP     0xE01B
+#endif
+
+/*
+  This table should be sorted by PCI device ID
+*/
+static const struct pci_device_id divas_pci_tbl[] = {
+	/* Diva Server BRI-2M PCI 0xE010 */
+	{ PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_MAESTRA),
+	  CARDTYPE_MAESTRA_PCI },
+	/* Diva Server 4BRI-8M PCI 0xE012 */
+	{ PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_MAESTRAQ),
+	  CARDTYPE_DIVASRV_Q_8M_PCI },
+	/* Diva Server 4BRI-8M 2.0 PCI 0xE013 */
+	{ PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_MAESTRAQ_U),
+	  CARDTYPE_DIVASRV_Q_8M_V2_PCI },
+	/* Diva Server PRI-30M PCI 0xE014 */
+	{ PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_MAESTRAP),
+	  CARDTYPE_DIVASRV_P_30M_PCI },
+	/* Diva Server PRI 2.0 adapter 0xE015 */
+	{ PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_MAESTRAP_2),
+	  CARDTYPE_DIVASRV_P_30M_V2_PCI },
+	/* Diva Server Voice 4BRI-8M PCI 0xE016 */
+	{ PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_4BRI_VOIP),
+	  CARDTYPE_DIVASRV_VOICE_Q_8M_PCI },
+	/* Diva Server Voice 4BRI-8M 2.0 PCI 0xE017 */
+	{ PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_4BRI_2_VOIP),
+	  CARDTYPE_DIVASRV_VOICE_Q_8M_V2_PCI },
+	/* Diva Server BRI-2M 2.0 PCI 0xE018 */
+	{ PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_BRI2M_2),
+	  CARDTYPE_DIVASRV_B_2M_V2_PCI },
+	/* Diva Server Voice PRI 2.0 PCI 0xE019 */
+	{ PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_MAESTRAP_2_VOIP),
+	  CARDTYPE_DIVASRV_VOICE_P_30M_V2_PCI },
+	/* Diva Server 2FX 0xE01A */
+	{ PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_2F),
+	  CARDTYPE_DIVASRV_B_2F_PCI },
+	/* Diva Server Voice BRI-2M 2.0 PCI 0xE01B */
+	{ PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_BRI2M_2_VOIP),
+	  CARDTYPE_DIVASRV_VOICE_B_2M_V2_PCI },
+	{ 0, }			/* 0 terminated list. */
+};
+MODULE_DEVICE_TABLE(pci, divas_pci_tbl);
+
+static int divas_init_one(struct pci_dev *pdev,
+			  const struct pci_device_id *ent);
+static void divas_remove_one(struct pci_dev *pdev);
+
+static struct pci_driver diva_pci_driver = {
+	.name     = "divas",
+	.probe    = divas_init_one,
+	.remove   = divas_remove_one,
+	.id_table = divas_pci_tbl,
+};
+
+/*********************************************************
+ ** little helper functions
+ *********************************************************/
+static char *getrev(const char *revision)
+{
+	char *rev;
+	char *p;
+	if ((p = strchr(revision, ':'))) {
+		rev = p + 2;
+		p = strchr(rev, '$');
+		*--p = 0;
+	} else
+		rev = "1.0";
+	return rev;
+}
+
+void diva_log_info(unsigned char *format, ...)
+{
+	va_list args;
+	unsigned char line[160];
+
+	va_start(args, format);
+	vsnprintf(line, sizeof(line), format, args);
+	va_end(args);
+
+	printk(KERN_INFO "%s: %s\n", DRIVERLNAME, line);
+}
+
+void divas_get_version(char *p)
+{
+	char tmprev[32];
+
+	strcpy(tmprev, main_revision);
+	sprintf(p, "%s: %s(%s) %s(%s) major=%d\n", DRIVERLNAME, DRIVERRELEASE_DIVAS,
+		getrev(tmprev), diva_xdi_common_code_build, DIVA_BUILD, major);
+}
+
+/* --------------------------------------------------------------------------
+   PCI Bus services
+   -------------------------------------------------------------------------- */
+byte diva_os_get_pci_bus(void *pci_dev_handle)
+{
+	struct pci_dev *pdev = (struct pci_dev *) pci_dev_handle;
+	return ((byte) pdev->bus->number);
+}
+
+byte diva_os_get_pci_func(void *pci_dev_handle)
+{
+	struct pci_dev *pdev = (struct pci_dev *) pci_dev_handle;
+	return ((byte) pdev->devfn);
+}
+
+unsigned long divasa_get_pci_irq(unsigned char bus, unsigned char func,
+				 void *pci_dev_handle)
+{
+	unsigned char irq = 0;
+	struct pci_dev *dev = (struct pci_dev *) pci_dev_handle;
+
+	irq = dev->irq;
+
+	return ((unsigned long) irq);
+}
+
+unsigned long divasa_get_pci_bar(unsigned char bus, unsigned char func,
+				 int bar, void *pci_dev_handle)
+{
+	unsigned long ret = 0;
+	struct pci_dev *dev = (struct pci_dev *) pci_dev_handle;
+
+	if (bar < 6) {
+		ret = dev->resource[bar].start;
+	}
+
+	DBG_TRC(("GOT BAR[%d]=%08x", bar, ret));
+
+	{
+		unsigned long type = (ret & 0x00000001);
+		if (type & PCI_BASE_ADDRESS_SPACE_IO) {
+			DBG_TRC(("  I/O"));
+			ret &= PCI_BASE_ADDRESS_IO_MASK;
+		} else {
+			DBG_TRC(("  memory"));
+			ret &= PCI_BASE_ADDRESS_MEM_MASK;
+		}
+		DBG_TRC(("  final=%08x", ret));
+	}
+
+	return (ret);
+}
+
+void PCIwrite(byte bus, byte func, int offset, void *data, int length,
+	      void *pci_dev_handle)
+{
+	struct pci_dev *dev = (struct pci_dev *) pci_dev_handle;
+
+	switch (length) {
+	case 1:		/* byte */
+		pci_write_config_byte(dev, offset,
+				      *(unsigned char *) data);
+		break;
+	case 2:		/* word */
+		pci_write_config_word(dev, offset,
+				      *(unsigned short *) data);
+		break;
+	case 4:		/* dword */
+		pci_write_config_dword(dev, offset,
+				       *(unsigned int *) data);
+		break;
+
+	default:		/* buffer */
+		if (!(length % 4) && !(length & 0x03)) {	/* Copy as dword */
+			dword *p = (dword *) data;
+			length /= 4;
+
+			while (length--) {
+				pci_write_config_dword(dev, offset,
+						       *(unsigned int *)
+						       p++);
+			}
+		} else {	/* copy as byte stream */
+			byte *p = (byte *) data;
+
+			while (length--) {
+				pci_write_config_byte(dev, offset,
+						      *(unsigned char *)
+						      p++);
+			}
+		}
+	}
+}
+
+void PCIread(byte bus, byte func, int offset, void *data, int length,
+	     void *pci_dev_handle)
+{
+	struct pci_dev *dev = (struct pci_dev *) pci_dev_handle;
+
+	switch (length) {
+	case 1:		/* byte */
+		pci_read_config_byte(dev, offset, (unsigned char *) data);
+		break;
+	case 2:		/* word */
+		pci_read_config_word(dev, offset, (unsigned short *) data);
+		break;
+	case 4:		/* dword */
+		pci_read_config_dword(dev, offset, (unsigned int *) data);
+		break;
+
+	default:		/* buffer */
+		if (!(length % 4) && !(length & 0x03)) {	/* Copy as dword */
+			dword *p = (dword *) data;
+			length /= 4;
+
+			while (length--) {
+				pci_read_config_dword(dev, offset,
+						      (unsigned int *)
+						      p++);
+			}
+		} else {	/* copy as byte stream */
+			byte *p = (byte *) data;
+
+			while (length--) {
+				pci_read_config_byte(dev, offset,
+						     (unsigned char *)
+						     p++);
+			}
+		}
+	}
+}
+
+/*
+  Init map with DMA pages. It is not problem if some allocations fail -
+  the channels that will not get one DMA page will use standard PIO
+  interface
+*/
+static void *diva_pci_alloc_consistent(struct pci_dev *hwdev,
+				       size_t size,
+				       dma_addr_t *dma_handle,
+				       void **addr_handle)
+{
+	void *addr = pci_alloc_consistent(hwdev, size, dma_handle);
+
+	*addr_handle = addr;
+
+	return (addr);
+}
+
+void diva_init_dma_map(void *hdev,
+		       struct _diva_dma_map_entry **ppmap, int nentries)
+{
+	struct pci_dev *pdev = (struct pci_dev *) hdev;
+	struct _diva_dma_map_entry *pmap =
+		diva_alloc_dma_map(hdev, nentries);
+
+	if (pmap) {
+		int i;
+		dma_addr_t dma_handle;
+		void *cpu_addr;
+		void *addr_handle;
+
+		for (i = 0; i < nentries; i++) {
+			if (!(cpu_addr = diva_pci_alloc_consistent(pdev,
+								   PAGE_SIZE,
+								   &dma_handle,
+								   &addr_handle)))
+			{
+				break;
+			}
+			diva_init_dma_map_entry(pmap, i, cpu_addr,
+						(dword) dma_handle,
+						addr_handle);
+			DBG_TRC(("dma map alloc [%d]=(%08lx:%08x:%08lx)",
+				 i, (unsigned long) cpu_addr,
+				 (dword) dma_handle,
+				 (unsigned long) addr_handle))}
+	}
+
+	*ppmap = pmap;
+}
+
+/*
+  Free all contained in the map entries and memory used by the map
+  Should be always called after adapter removal from DIDD array
+*/
+void diva_free_dma_map(void *hdev, struct _diva_dma_map_entry *pmap)
+{
+	struct pci_dev *pdev = (struct pci_dev *) hdev;
+	int i;
+	dword phys_addr;
+	void *cpu_addr;
+	dma_addr_t dma_handle;
+	void *addr_handle;
+
+	for (i = 0; (pmap != NULL); i++) {
+		diva_get_dma_map_entry(pmap, i, &cpu_addr, &phys_addr);
+		if (!cpu_addr) {
+			break;
+		}
+		addr_handle = diva_get_entry_handle(pmap, i);
+		dma_handle = (dma_addr_t) phys_addr;
+		pci_free_consistent(pdev, PAGE_SIZE, addr_handle,
+				    dma_handle);
+		DBG_TRC(("dma map free [%d]=(%08lx:%08x:%08lx)", i,
+			 (unsigned long) cpu_addr, (dword) dma_handle,
+			 (unsigned long) addr_handle))
+			}
+
+	diva_free_dma_mapping(pmap);
+}
+
+
+/*********************************************************
+ ** I/O port utilities
+ *********************************************************/
+
+int
+diva_os_register_io_port(void *adapter, int on, unsigned long port,
+			 unsigned long length, const char *name, int id)
+{
+	if (on) {
+		if (!request_region(port, length, name)) {
+			DBG_ERR(("A: I/O: can't register port=%08x", port))
+				return (-1);
+		}
+	} else {
+		release_region(port, length);
+	}
+	return (0);
+}
+
+void __iomem *divasa_remap_pci_bar(diva_os_xdi_adapter_t *a, int id, unsigned long bar, unsigned long area_length)
+{
+	void __iomem *ret = ioremap(bar, area_length);
+	DBG_TRC(("remap(%08x)->%p", bar, ret));
+	return (ret);
+}
+
+void divasa_unmap_pci_bar(void __iomem *bar)
+{
+	if (bar) {
+		iounmap(bar);
+	}
+}
+
+/*********************************************************
+ ** I/O port access
+ *********************************************************/
+inline byte inpp(void __iomem *addr)
+{
+	return (inb((unsigned long) addr));
+}
+
+inline word inppw(void __iomem *addr)
+{
+	return (inw((unsigned long) addr));
+}
+
+inline void inppw_buffer(void __iomem *addr, void *P, int length)
+{
+	insw((unsigned long) addr, (word *) P, length >> 1);
+}
+
+inline void outppw_buffer(void __iomem *addr, void *P, int length)
+{
+	outsw((unsigned long) addr, (word *) P, length >> 1);
+}
+
+inline void outppw(void __iomem *addr, word w)
+{
+	outw(w, (unsigned long) addr);
+}
+
+inline void outpp(void __iomem *addr, word p)
+{
+	outb(p, (unsigned long) addr);
+}
+
+/* --------------------------------------------------------------------------
+   IRQ request / remove
+   -------------------------------------------------------------------------- */
+int diva_os_register_irq(void *context, byte irq, const char *name)
+{
+	int result = request_irq(irq, diva_os_irq_wrapper,
+				 IRQF_SHARED, name, context);
+	return (result);
+}
+
+void diva_os_remove_irq(void *context, byte irq)
+{
+	free_irq(irq, context);
+}
+
+/* --------------------------------------------------------------------------
+   DPC framework implementation
+   -------------------------------------------------------------------------- */
+static void diva_os_dpc_proc(unsigned long context)
+{
+	diva_os_thread_dpc_t *psoft_isr = (diva_os_thread_dpc_t *) context;
+	diva_os_soft_isr_t *pisr = psoft_isr->psoft_isr;
+
+	(*(pisr->callback)) (pisr, pisr->callback_context);
+}
+
+int diva_os_initialize_soft_isr(diva_os_soft_isr_t *psoft_isr,
+				diva_os_soft_isr_callback_t callback,
+				void *callback_context)
+{
+	diva_os_thread_dpc_t *pdpc;
+
+	pdpc = (diva_os_thread_dpc_t *) diva_os_malloc(0, sizeof(*pdpc));
+	if (!(psoft_isr->object = pdpc)) {
+		return (-1);
+	}
+	memset(pdpc, 0x00, sizeof(*pdpc));
+	psoft_isr->callback = callback;
+	psoft_isr->callback_context = callback_context;
+	pdpc->psoft_isr = psoft_isr;
+	tasklet_init(&pdpc->divas_task, diva_os_dpc_proc, (unsigned long)pdpc);
+
+	return (0);
+}
+
+int diva_os_schedule_soft_isr(diva_os_soft_isr_t *psoft_isr)
+{
+	if (psoft_isr && psoft_isr->object) {
+		diva_os_thread_dpc_t *pdpc =
+			(diva_os_thread_dpc_t *) psoft_isr->object;
+
+		tasklet_schedule(&pdpc->divas_task);
+	}
+
+	return (1);
+}
+
+int diva_os_cancel_soft_isr(diva_os_soft_isr_t *psoft_isr)
+{
+	return (0);
+}
+
+void diva_os_remove_soft_isr(diva_os_soft_isr_t *psoft_isr)
+{
+	if (psoft_isr && psoft_isr->object) {
+		diva_os_thread_dpc_t *pdpc =
+			(diva_os_thread_dpc_t *) psoft_isr->object;
+		void *mem;
+
+		tasklet_kill(&pdpc->divas_task);
+		mem = psoft_isr->object;
+		psoft_isr->object = NULL;
+		diva_os_free(0, mem);
+	}
+}
+
+/*
+ * kernel/user space copy functions
+ */
+static int
+xdi_copy_to_user(void *os_handle, void __user *dst, const void *src, int length)
+{
+	if (copy_to_user(dst, src, length)) {
+		return (-EFAULT);
+	}
+	return (length);
+}
+
+static int
+xdi_copy_from_user(void *os_handle, void *dst, const void __user *src, int length)
+{
+	if (copy_from_user(dst, src, length)) {
+		return (-EFAULT);
+	}
+	return (length);
+}
+
+/*
+ * device node operations
+ */
+static int divas_open(struct inode *inode, struct file *file)
+{
+	return (0);
+}
+
+static int divas_release(struct inode *inode, struct file *file)
+{
+	if (file->private_data) {
+		diva_xdi_close_adapter(file->private_data, file);
+	}
+	return (0);
+}
+
+static ssize_t divas_write(struct file *file, const char __user *buf,
+			   size_t count, loff_t *ppos)
+{
+	diva_xdi_um_cfg_cmd_t msg;
+	int ret = -EINVAL;
+
+	if (!file->private_data) {
+		file->private_data = diva_xdi_open_adapter(file, buf,
+							   count, &msg,
+							   xdi_copy_from_user);
+		if (!file->private_data)
+			return (-ENODEV);
+		ret = diva_xdi_write(file->private_data, file,
+				     buf, count, &msg, xdi_copy_from_user);
+	} else {
+		ret = diva_xdi_write(file->private_data, file,
+				     buf, count, NULL, xdi_copy_from_user);
+	}
+
+	switch (ret) {
+	case -1:		/* Message should be removed from rx mailbox first */
+		ret = -EBUSY;
+		break;
+	case -2:		/* invalid adapter was specified in this call */
+		ret = -ENOMEM;
+		break;
+	case -3:
+		ret = -ENXIO;
+		break;
+	}
+	DBG_TRC(("write: ret %d", ret));
+	return (ret);
+}
+
+static ssize_t divas_read(struct file *file, char __user *buf,
+			  size_t count, loff_t *ppos)
+{
+	diva_xdi_um_cfg_cmd_t msg;
+	int ret = -EINVAL;
+
+	if (!file->private_data) {
+		file->private_data = diva_xdi_open_adapter(file, buf,
+							   count, &msg,
+							   xdi_copy_from_user);
+	}
+	if (!file->private_data) {
+		return (-ENODEV);
+	}
+
+	ret = diva_xdi_read(file->private_data, file,
+			    buf, count, xdi_copy_to_user);
+	switch (ret) {
+	case -1:		/* RX mailbox is empty */
+		ret = -EAGAIN;
+		break;
+	case -2:		/* no memory, mailbox was cleared, last command is failed */
+		ret = -ENOMEM;
+		break;
+	case -3:		/* can't copy to user, retry */
+		ret = -EFAULT;
+		break;
+	}
+	DBG_TRC(("read: ret %d", ret));
+	return (ret);
+}
+
+static __poll_t divas_poll(struct file *file, poll_table *wait)
+{
+	if (!file->private_data) {
+		return (EPOLLERR);
+	}
+	return (EPOLLIN | EPOLLRDNORM);
+}
+
+static const struct file_operations divas_fops = {
+	.owner   = THIS_MODULE,
+	.llseek  = no_llseek,
+	.read    = divas_read,
+	.write   = divas_write,
+	.poll    = divas_poll,
+	.open    = divas_open,
+	.release = divas_release
+};
+
+static void divas_unregister_chrdev(void)
+{
+	unregister_chrdev(major, DEVNAME);
+}
+
+static int __init divas_register_chrdev(void)
+{
+	if ((major = register_chrdev(0, DEVNAME, &divas_fops)) < 0)
+	{
+		printk(KERN_ERR "%s: failed to create /dev entry.\n",
+		       DRIVERLNAME);
+		return (0);
+	}
+
+	return (1);
+}
+
+/* --------------------------------------------------------------------------
+   PCI driver section
+   -------------------------------------------------------------------------- */
+static int divas_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	void *pdiva = NULL;
+	u8 pci_latency;
+	u8 new_latency = 32;
+
+	DBG_TRC(("%s bus: %08x fn: %08x insertion.\n",
+		 CardProperties[ent->driver_data].Name,
+		 pdev->bus->number, pdev->devfn))
+		printk(KERN_INFO "%s: %s bus: %08x fn: %08x insertion.\n",
+		       DRIVERLNAME, CardProperties[ent->driver_data].Name,
+		       pdev->bus->number, pdev->devfn);
+
+	if (pci_enable_device(pdev)) {
+		DBG_TRC(("%s: %s bus: %08x fn: %08x device init failed.\n",
+			 DRIVERLNAME,
+			 CardProperties[ent->driver_data].Name,
+			 pdev->bus->number,
+			 pdev->devfn))
+			printk(KERN_ERR
+			       "%s: %s bus: %08x fn: %08x device init failed.\n",
+			       DRIVERLNAME,
+			       CardProperties[ent->driver_data].
+			       Name, pdev->bus->number,
+			       pdev->devfn);
+		return (-EIO);
+	}
+
+	pci_set_master(pdev);
+
+	pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency);
+	if (!pci_latency) {
+		DBG_TRC(("%s: bus: %08x fn: %08x fix latency.\n",
+			 DRIVERLNAME, pdev->bus->number, pdev->devfn))
+			printk(KERN_INFO
+			       "%s: bus: %08x fn: %08x fix latency.\n",
+			       DRIVERLNAME, pdev->bus->number, pdev->devfn);
+		pci_write_config_byte(pdev, PCI_LATENCY_TIMER, new_latency);
+	}
+
+	if (!(pdiva = diva_driver_add_card(pdev, ent->driver_data))) {
+		DBG_TRC(("%s: %s bus: %08x fn: %08x card init failed.\n",
+			 DRIVERLNAME,
+			 CardProperties[ent->driver_data].Name,
+			 pdev->bus->number,
+			 pdev->devfn))
+			printk(KERN_ERR
+			       "%s: %s bus: %08x fn: %08x card init failed.\n",
+			       DRIVERLNAME,
+			       CardProperties[ent->driver_data].
+			       Name, pdev->bus->number,
+			       pdev->devfn);
+		return (-EIO);
+	}
+
+	pci_set_drvdata(pdev, pdiva);
+
+	return (0);
+}
+
+static void divas_remove_one(struct pci_dev *pdev)
+{
+	void *pdiva = pci_get_drvdata(pdev);
+
+	DBG_TRC(("bus: %08x fn: %08x removal.\n",
+		 pdev->bus->number, pdev->devfn))
+		printk(KERN_INFO "%s: bus: %08x fn: %08x removal.\n",
+		       DRIVERLNAME, pdev->bus->number, pdev->devfn);
+
+	if (pdiva) {
+		diva_driver_remove_card(pdiva);
+	}
+
+}
+
+/* --------------------------------------------------------------------------
+   Driver Load / Startup
+   -------------------------------------------------------------------------- */
+static int __init divas_init(void)
+{
+	char tmprev[50];
+	int ret = 0;
+
+	printk(KERN_INFO "%s\n", DRIVERNAME);
+	printk(KERN_INFO "%s: Rel:%s  Rev:", DRIVERLNAME, DRIVERRELEASE_DIVAS);
+	strcpy(tmprev, main_revision);
+	printk("%s  Build: %s(%s)\n", getrev(tmprev),
+	       diva_xdi_common_code_build, DIVA_BUILD);
+	printk(KERN_INFO "%s: support for: ", DRIVERLNAME);
+#ifdef CONFIG_ISDN_DIVAS_BRIPCI
+	printk("BRI/PCI ");
+#endif
+#ifdef CONFIG_ISDN_DIVAS_PRIPCI
+	printk("PRI/PCI ");
+#endif
+	printk("adapters\n");
+
+	if (!divasfunc_init(dbgmask)) {
+		printk(KERN_ERR "%s: failed to connect to DIDD.\n",
+		       DRIVERLNAME);
+		ret = -EIO;
+		goto out;
+	}
+
+	if (!divas_register_chrdev()) {
+#ifdef MODULE
+		divasfunc_exit();
+#endif
+		ret = -EIO;
+		goto out;
+	}
+
+	if (!create_divas_proc()) {
+#ifdef MODULE
+		divas_unregister_chrdev();
+		divasfunc_exit();
+#endif
+		printk(KERN_ERR "%s: failed to create proc entry.\n",
+		       DRIVERLNAME);
+		ret = -EIO;
+		goto out;
+	}
+
+	if ((ret = pci_register_driver(&diva_pci_driver))) {
+#ifdef MODULE
+		remove_divas_proc();
+		divas_unregister_chrdev();
+		divasfunc_exit();
+#endif
+		printk(KERN_ERR "%s: failed to init pci driver.\n",
+		       DRIVERLNAME);
+		goto out;
+	}
+	printk(KERN_INFO "%s: started with major %d\n", DRIVERLNAME, major);
+
+out:
+	return (ret);
+}
+
+/* --------------------------------------------------------------------------
+   Driver Unload
+   -------------------------------------------------------------------------- */
+static void __exit divas_exit(void)
+{
+	pci_unregister_driver(&diva_pci_driver);
+	remove_divas_proc();
+	divas_unregister_chrdev();
+	divasfunc_exit();
+
+	printk(KERN_INFO "%s: module unloaded.\n", DRIVERLNAME);
+}
+
+module_init(divas_init);
+module_exit(divas_exit);