| /* $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/workqueue.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_VENDOR_ID_EICON, PCI_DEVICE_ID_EICON_MAESTRA, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, CARDTYPE_MAESTRA_PCI}, |
| /* Diva Server 4BRI-8M PCI 0xE012 */ |
| {PCI_VENDOR_ID_EICON, PCI_DEVICE_ID_EICON_MAESTRAQ, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, CARDTYPE_DIVASRV_Q_8M_PCI}, |
| /* Diva Server 4BRI-8M 2.0 PCI 0xE013 */ |
| {PCI_VENDOR_ID_EICON, PCI_DEVICE_ID_EICON_MAESTRAQ_U, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, CARDTYPE_DIVASRV_Q_8M_V2_PCI}, |
| /* Diva Server PRI-30M PCI 0xE014 */ |
| {PCI_VENDOR_ID_EICON, PCI_DEVICE_ID_EICON_MAESTRAP, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, CARDTYPE_DIVASRV_P_30M_PCI}, |
| /* Diva Server PRI 2.0 adapter 0xE015 */ |
| {PCI_VENDOR_ID_EICON, PCI_DEVICE_ID_EICON_MAESTRAP_2, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, CARDTYPE_DIVASRV_P_30M_V2_PCI}, |
| /* Diva Server Voice 4BRI-8M PCI 0xE016 */ |
| {PCI_VENDOR_ID_EICON, PCI_DEVICE_ID_EICON_4BRI_VOIP, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, CARDTYPE_DIVASRV_VOICE_Q_8M_PCI}, |
| /* Diva Server Voice 4BRI-8M 2.0 PCI 0xE017 */ |
| {PCI_VENDOR_ID_EICON, PCI_DEVICE_ID_EICON_4BRI_2_VOIP, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, CARDTYPE_DIVASRV_VOICE_Q_8M_V2_PCI}, |
| /* Diva Server BRI-2M 2.0 PCI 0xE018 */ |
| {PCI_VENDOR_ID_EICON, PCI_DEVICE_ID_EICON_BRI2M_2, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, CARDTYPE_DIVASRV_B_2M_V2_PCI}, |
| /* Diva Server Voice PRI 2.0 PCI 0xE019 */ |
| {PCI_VENDOR_ID_EICON, PCI_DEVICE_ID_EICON_MAESTRAP_2_VOIP, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, |
| CARDTYPE_DIVASRV_VOICE_P_30M_V2_PCI}, |
| /* Diva Server 2FX 0xE01A */ |
| {PCI_VENDOR_ID_EICON, PCI_DEVICE_ID_EICON_2F, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, CARDTYPE_DIVASRV_B_2F_PCI}, |
| /* Diva Server Voice BRI-2M 2.0 PCI 0xE01B */ |
| {PCI_VENDOR_ID_EICON, PCI_DEVICE_ID_EICON_BRI2M_2_VOIP, |
| PCI_ANY_ID, PCI_ANY_ID, 0, 0, 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 __devexit divas_remove_one(struct pci_dev *pdev); |
| |
| static struct pci_driver diva_pci_driver = { |
| .name = "divas", |
| .probe = divas_init_one, |
| .remove = __devexit_p(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_DISABLED | 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); |
| flush_scheduled_work(); |
| 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 DIVA_INIT_FUNCTION 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 __devinit 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 __devexit 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 DIVA_INIT_FUNCTION 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 |
| remove_divas_proc(); |
| 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 DIVA_EXIT_FUNCTION 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); |