diff options
Diffstat (limited to 'drivers/isdn/hardware/eicon/idifunc.c')
| -rw-r--r-- | drivers/isdn/hardware/eicon/idifunc.c | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/drivers/isdn/hardware/eicon/idifunc.c b/drivers/isdn/hardware/eicon/idifunc.c deleted file mode 100644 index fef6586fe5ac..000000000000 --- a/drivers/isdn/hardware/eicon/idifunc.c +++ /dev/null @@ -1,268 +0,0 @@ -/* $Id: idifunc.c,v 1.14.4.4 2004/08/28 20:03:53 armin Exp $ - * - * Driver for Eicon DIVA Server ISDN cards. - * User Mode IDI Interface - * - * 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 "divasync.h" -#include "um_xdi.h" -#include "um_idi.h" - -#define DBG_MINIMUM (DL_LOG + DL_FTL + DL_ERR) -#define DBG_DEFAULT (DBG_MINIMUM + DL_XLOG + DL_REG) - -extern char *DRIVERRELEASE_IDI; - -extern void DIVA_DIDD_Read(void *, int); -extern int diva_user_mode_idi_create_adapter(const DESCRIPTOR *, int); -extern void diva_user_mode_idi_remove_adapter(int); - -static dword notify_handle; -static DESCRIPTOR DAdapter; -static DESCRIPTOR MAdapter; - -static void no_printf(unsigned char *x, ...) -{ - /* dummy debug function */ -} - -#include "debuglib.c" - -/* - * stop debug - */ -static void stop_dbg(void) -{ - DbgDeregister(); - memset(&MAdapter, 0, sizeof(MAdapter)); - dprintf = no_printf; -} - -typedef struct _udiva_card { - struct list_head list; - int Id; - DESCRIPTOR d; -} udiva_card; - -static LIST_HEAD(cards); -static diva_os_spin_lock_t ll_lock; - -/* - * find card in list - */ -static udiva_card *find_card_in_list(DESCRIPTOR *d) -{ - udiva_card *card; - struct list_head *tmp; - diva_os_spin_lock_magic_t old_irql; - - diva_os_enter_spin_lock(&ll_lock, &old_irql, "find card"); - list_for_each(tmp, &cards) { - card = list_entry(tmp, udiva_card, list); - if (card->d.request == d->request) { - diva_os_leave_spin_lock(&ll_lock, &old_irql, - "find card"); - return (card); - } - } - diva_os_leave_spin_lock(&ll_lock, &old_irql, "find card"); - return ((udiva_card *) NULL); -} - -/* - * new card - */ -static void um_new_card(DESCRIPTOR *d) -{ - int adapter_nr = 0; - udiva_card *card = NULL; - IDI_SYNC_REQ sync_req; - diva_os_spin_lock_magic_t old_irql; - - if (!(card = diva_os_malloc(0, sizeof(udiva_card)))) { - DBG_ERR(("cannot get buffer for card")); - return; - } - memcpy(&card->d, d, sizeof(DESCRIPTOR)); - sync_req.xdi_logical_adapter_number.Req = 0; - sync_req.xdi_logical_adapter_number.Rc = - IDI_SYNC_REQ_XDI_GET_LOGICAL_ADAPTER_NUMBER; - card->d.request((ENTITY *)&sync_req); - adapter_nr = - sync_req.xdi_logical_adapter_number.info.logical_adapter_number; - card->Id = adapter_nr; - if (!(diva_user_mode_idi_create_adapter(d, adapter_nr))) { - diva_os_enter_spin_lock(&ll_lock, &old_irql, "add card"); - list_add_tail(&card->list, &cards); - diva_os_leave_spin_lock(&ll_lock, &old_irql, "add card"); - } else { - DBG_ERR(("could not create user mode idi card %d", - adapter_nr)); - diva_os_free(0, card); - } -} - -/* - * remove card - */ -static void um_remove_card(DESCRIPTOR *d) -{ - diva_os_spin_lock_magic_t old_irql; - udiva_card *card = NULL; - - if (!(card = find_card_in_list(d))) { - DBG_ERR(("cannot find card to remove")); - return; - } - diva_user_mode_idi_remove_adapter(card->Id); - diva_os_enter_spin_lock(&ll_lock, &old_irql, "remove card"); - list_del(&card->list); - diva_os_leave_spin_lock(&ll_lock, &old_irql, "remove card"); - DBG_LOG(("idi proc entry removed for card %d", card->Id)); - diva_os_free(0, card); -} - -/* - * remove all adapter - */ -static void __exit remove_all_idi_proc(void) -{ - udiva_card *card; - diva_os_spin_lock_magic_t old_irql; - -rescan: - diva_os_enter_spin_lock(&ll_lock, &old_irql, "remove all"); - if (!list_empty(&cards)) { - card = list_entry(cards.next, udiva_card, list); - list_del(&card->list); - diva_os_leave_spin_lock(&ll_lock, &old_irql, "remove all"); - diva_user_mode_idi_remove_adapter(card->Id); - diva_os_free(0, card); - goto rescan; - } - diva_os_leave_spin_lock(&ll_lock, &old_irql, "remove all"); -} - -/* - * DIDD notify callback - */ -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); - } else if (adapter->type == IDI_DIMAINT) { - if (removal) { - stop_dbg(); - } else { - memcpy(&MAdapter, adapter, sizeof(MAdapter)); - dprintf = (DIVA_DI_PRINTF) MAdapter.request; - DbgRegister("User IDI", DRIVERRELEASE_IDI, DBG_DEFAULT); - } - } else if ((adapter->type > 0) && (adapter->type < 16)) { /* IDI Adapter */ - if (removal) { - um_remove_card(adapter); - } else { - um_new_card(adapter); - } - } - return (NULL); -} - -/* - * connect 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; - DbgRegister("User IDI", DRIVERRELEASE_IDI, DBG_DEFAULT); - } else if ((DIDD_Table[x].type > 0) - && (DIDD_Table[x].type < 16)) { /* IDI Adapter found */ - um_new_card(&DIDD_Table[x]); - } - } - - if (!dadapter) { - stop_dbg(); - } - - return (dadapter); -} - -/* - * Disconnect from DIDD - */ -static void __exit 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); -} - -/* - * init - */ -int __init idifunc_init(void) -{ - diva_os_initialize_spin_lock(&ll_lock, "idifunc"); - - if (diva_user_mode_idi_init()) { - DBG_ERR(("init: init failed.")); - return (0); - } - - if (!connect_didd()) { - diva_user_mode_idi_finit(); - DBG_ERR(("init: failed to connect to DIDD.")); - return (0); - } - return (1); -} - -/* - * finit - */ -void __exit idifunc_finit(void) -{ - diva_user_mode_idi_finit(); - disconnect_didd(); - remove_all_idi_proc(); -} |