Adding upstream version 4.19.249.upstream/4.19.249upstream

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

1 files changed, 237 insertions, 0 deletions

diff --git a/drivers/isdn/hardware/eicon/divasfunc.c b/drivers/isdn/hardware/eicon/divasfunc.c
new file mode 100644
index 000000000..4be5f8814
--- /dev/null
+++ b/drivers/isdn/hardware/eicon/divasfunc.c
@@ -0,0 +1,237 @@
+/* $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 */
+}
+
+#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);
+	}
+}
+
+/*
+ * 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;
+	}
+}
+
+/*
+ * 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);
+}
+
+/*
+ * 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))
+		}
+
+/*
+ * stop debug
+ */
+static void stop_dbg(void)
+{
+	DbgDeregister();
+	memset(&MAdapter, 0, sizeof(MAdapter));
+	dprintf = no_printf;
+}
+
+/*
+ * 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);
+}
+
+/*
+ * 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);
+}
+
+/*
+ * 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);
+}
+
+/*
+ * 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);
+}
+
+/*
+ * exit
+ */
+void divasfunc_exit(void)
+{
+	divasa_xdi_driver_unload();
+	disconnect_didd();
+}