cregit-Linux how code gets into the kernel

Release 4.11 drivers/isdn/hardware/eicon/divasfunc.c

/* $Id: divasfunc.c,v 1.23.4.2 2004/08/28 20:03:53 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 "platform.h"
#include "di_defs.h"
#include "pc.h"
#include "di.h"
#include "io.h"
#include "divasync.h"
#include "diva.h"
#include "xdi_vers.h"


#define DBG_MINIMUM  (DL_LOG + DL_FTL + DL_ERR)

#define DBG_DEFAULT  (DBG_MINIMUM + DL_XLOG + DL_REG)


static int debugmask;

extern void DIVA_DIDD_Read(void *, int);

extern PISDN_ADAPTER IoAdapters[MAX_ADAPTER];

extern char *DRIVERRELEASE_DIVAS;


static dword notify_handle;

static DESCRIPTOR DAdapter;

static DESCRIPTOR MAdapter;

/* --------------------------------------------------------------------------
   MAINT driver connector section
   -------------------------------------------------------------------------- */

static void no_printf(unsigned char *x, ...) { /* dummy debug function */ }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler14100.00%1100.00%
Total14100.00%1100.00%

#include "debuglib.c" /* * get the adapters serial number */
void diva_get_vserial_number(PISDN_ADAPTER IoAdapter, char *buf) { int contr = 0; if ((contr = ((IoAdapter->serialNo & 0xff000000) >> 24))) { sprintf(buf, "%d-%d", IoAdapter->serialNo & 0x00ffffff, contr + 1); } else { sprintf(buf, "%d", IoAdapter->serialNo); } }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler6798.53%150.00%
Kai Germaschewski11.47%150.00%
Total68100.00%2100.00%

/* * register a new adapter */
void diva_xdi_didd_register_adapter(int card) { DESCRIPTOR d; IDI_SYNC_REQ req; if (card && ((card - 1) < MAX_ADAPTER) && IoAdapters[card - 1] && Requests[card - 1]) { d.type = IoAdapters[card - 1]->Properties.DescType; d.request = Requests[card - 1]; d.channels = IoAdapters[card - 1]->Properties.Channels; d.features = IoAdapters[card - 1]->Properties.Features; DBG_TRC(("DIDD register A(%d) channels=%d", card, d.channels)) /* workaround for different Name in structure */ strlcpy(IoAdapters[card - 1]->Name, IoAdapters[card - 1]->Properties.Name, sizeof(IoAdapters[card - 1]->Name)); req.didd_remove_adapter.e.Req = 0; req.didd_add_adapter.e.Rc = IDI_SYNC_REQ_DIDD_ADD_ADAPTER; req.didd_add_adapter.info.descriptor = (void *) &d; DAdapter.request((ENTITY *)&req); if (req.didd_add_adapter.e.Rc != 0xff) { DBG_ERR(("DIDD register A(%d) failed !", card)) } IoAdapters[card - 1]->os_trap_nfy_Fnc = NULL; } }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler21698.18%125.00%
Benjamin Collins20.91%125.00%
Kai Germaschewski10.45%125.00%
Andrew Morton10.45%125.00%
Total220100.00%4100.00%

/* * remove an adapter */
void diva_xdi_didd_remove_adapter(int card) { IDI_SYNC_REQ req; ADAPTER *a = &IoAdapters[card - 1]->a; IoAdapters[card - 1]->os_trap_nfy_Fnc = NULL; DBG_TRC(("DIDD de-register A(%d)", card)) req.didd_remove_adapter.e.Req = 0; req.didd_remove_adapter.e.Rc = IDI_SYNC_REQ_DIDD_REMOVE_ADAPTER; req.didd_remove_adapter.info.p_request = (IDI_CALL) Requests[card - 1]; DAdapter.request((ENTITY *)&req); memset(&(a->IdTable), 0x00, 256); }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler106100.00%1100.00%
Total106100.00%1100.00%

/* * start debug */
static void start_dbg(void) { DbgRegister("DIVAS", DRIVERRELEASE_DIVAS, (debugmask) ? debugmask : DBG_DEFAULT); DBG_LOG(("DIVA ISDNXDI BUILD (%s[%s])", DIVA_BUILD, diva_xdi_common_code_build)) }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler2793.10%266.67%
Michal Marek26.90%133.33%
Total29100.00%3100.00%

/* * stop debug */
static void stop_dbg(void) { DbgDeregister(); memset(&MAdapter, 0, sizeof(MAdapter)); dprintf = no_printf; }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler28100.00%1100.00%
Total28100.00%1100.00%

/* * didd callback function */
static void *didd_callback(void *context, DESCRIPTOR *adapter, int removal) { if (adapter->type == IDI_DADAPTER) { DBG_ERR(("Notification about IDI_DADAPTER change ! Oops.")); return (NULL); } if (adapter->type == IDI_DIMAINT) { if (removal) { stop_dbg(); } else { memcpy(&MAdapter, adapter, sizeof(MAdapter)); dprintf = (DIVA_DI_PRINTF) MAdapter.request; start_dbg(); } } return (NULL); }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler92100.00%1100.00%
Total92100.00%1100.00%

/* * connect to didd */
static int __init connect_didd(void) { int x = 0; int dadapter = 0; IDI_SYNC_REQ req; DESCRIPTOR DIDD_Table[MAX_DESCRIPTORS]; DIVA_DIDD_Read(DIDD_Table, sizeof(DIDD_Table)); for (x = 0; x < MAX_DESCRIPTORS; x++) { if (DIDD_Table[x].type == IDI_DADAPTER) { /* DADAPTER found */ dadapter = 1; memcpy(&DAdapter, &DIDD_Table[x], sizeof(DAdapter)); req.didd_notify.e.Req = 0; req.didd_notify.e.Rc = IDI_SYNC_REQ_DIDD_REGISTER_ADAPTER_NOTIFY; req.didd_notify.info.callback = (void *)didd_callback; req.didd_notify.info.context = NULL; DAdapter.request((ENTITY *)&req); if (req.didd_notify.e.Rc != 0xff) { stop_dbg(); return (0); } notify_handle = req.didd_notify.info.handle; } else if (DIDD_Table[x].type == IDI_DIMAINT) { /* MAINT found */ memcpy(&MAdapter, &DIDD_Table[x], sizeof(DAdapter)); dprintf = (DIVA_DI_PRINTF) MAdapter.request; start_dbg(); } } if (!dadapter) { stop_dbg(); } return (dadapter); }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler23399.15%250.00%
H Hartley Sweeten10.43%125.00%
Al Viro10.43%125.00%
Total235100.00%4100.00%

/* * disconnect from didd */
static void disconnect_didd(void) { IDI_SYNC_REQ req; stop_dbg(); req.didd_notify.e.Req = 0; req.didd_notify.e.Rc = IDI_SYNC_REQ_DIDD_REMOVE_ADAPTER_NOTIFY; req.didd_notify.info.handle = notify_handle; DAdapter.request((ENTITY *)&req); }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler56100.00%1100.00%
Total56100.00%1100.00%

/* * init */
int __init divasfunc_init(int dbgmask) { char *version; debugmask = dbgmask; if (!connect_didd()) { DBG_ERR(("divasfunc: failed to connect to DIDD.")) return (0); } version = diva_xdi_common_code_build; divasa_xdi_driver_entry(); return (1); }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler4797.92%266.67%
H Hartley Sweeten12.08%133.33%
Total48100.00%3100.00%

/* * exit */
void divasfunc_exit(void) { divasa_xdi_driver_unload(); disconnect_didd(); }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler13100.00%1100.00%
Total13100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler98398.89%330.00%
Michal Marek20.20%110.00%
Kai Germaschewski20.20%110.00%
Benjamin Collins20.20%110.00%
H Hartley Sweeten20.20%110.00%
Al Viro10.10%110.00%
Joe Perches10.10%110.00%
Andrew Morton10.10%110.00%
Total994100.00%10100.00%
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