--- /dev/null
+/* $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 <asm/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 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
+ *********************************************************/
+byte __inline__ inpp(void __iomem *addr)
+{
+ return (inb((unsigned long) addr));
+}
+
+word __inline__ inppw(void __iomem *addr)
+{
+ return (inw((unsigned long) addr));
+}
+
+void __inline__ inppw_buffer(void __iomem *addr, void *P, int length)
+{
+ insw((unsigned long) addr, (word *) P, length >> 1);
+}
+
+void __inline__ outppw_buffer(void __iomem *addr, void *P, int length)
+{
+ outsw((unsigned long) addr, (word *) P, length >> 1);
+}
+
+void __inline__ outppw(void __iomem *addr, word w)
+{
+ outw(w, (unsigned long) addr);
+}
+
+void __inline__ 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)
+{
+ int ret = -EINVAL;
+
+ if (!file->private_data) {
+ file->private_data = diva_xdi_open_adapter(file, buf,
+ count,
+ xdi_copy_from_user);
+ }
+ if (!file->private_data) {
+ return (-ENODEV);
+ }
+
+ ret = diva_xdi_write(file->private_data, file,
+ buf, count, 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)
+{
+ int ret = -EINVAL;
+
+ if (!file->private_data) {
+ file->private_data = diva_xdi_open_adapter(file, buf,
+ count,
+ 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 unsigned int divas_poll(struct file *file, poll_table *wait)
+{
+ if (!file->private_data) {
+ return (POLLERR);
+ }
+ return (POLLIN | POLLRDNORM);
+}
+
+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);
Code Review / kvmfornfv.git / blobdiff