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Diffstat (limited to 'drivers/isdn/hardware/eicon/istream.c')
-rw-r--r--drivers/isdn/hardware/eicon/istream.c226
1 files changed, 0 insertions, 226 deletions
diff --git a/drivers/isdn/hardware/eicon/istream.c b/drivers/isdn/hardware/eicon/istream.c
deleted file mode 100644
index 045bda5c839f..000000000000
--- a/drivers/isdn/hardware/eicon/istream.c
+++ /dev/null
@@ -1,226 +0,0 @@
-
-/*
- *
- Copyright (c) Eicon Networks, 2002.
- *
- This source file is supplied for the use with
- Eicon Networks range of DIVA Server Adapters.
- *
- Eicon File Revision : 2.1
- *
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
- *
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY
- implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- See the GNU General Public License for more details.
- *
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-#include "platform.h"
-#if defined(DIVA_ISTREAM) /* { */
-#include "pc.h"
-#include "pr_pc.h"
-#include "di_defs.h"
-#include "divasync.h"
-#include "di.h"
-#if !defined USE_EXTENDED_DEBUGS
-#include "dimaint.h"
-#else
-#define dprintf
-#endif
-#include "dfifo.h"
-int diva_istream_write(void *context,
- int Id,
- void *data,
- int length,
- int final,
- byte usr1,
- byte usr2);
-int diva_istream_read(void *context,
- int Id,
- void *data,
- int max_length,
- int *final,
- byte *usr1,
- byte *usr2);
-/* -------------------------------------------------------------------
- Does provide iStream interface to the client
- ------------------------------------------------------------------- */
-void diva_xdi_provide_istream_info(ADAPTER *a,
- diva_xdi_stream_interface_t *pi) {
- pi->provided_service = 0;
-}
-/* ------------------------------------------------------------------
- Does write the data from caller's buffer to the card's
- stream interface.
- If synchronous service was requested, then function
- does return amount of data written to stream.
- 'final' does indicate that piece of data to be written is
- final part of frame (necessary only by structured datatransfer)
- return 0 if zero lengh packet was written
- return -1 if stream is full
- ------------------------------------------------------------------ */
-int diva_istream_write(void *context,
- int Id,
- void *data,
- int length,
- int final,
- byte usr1,
- byte usr2) {
- ADAPTER *a = (ADAPTER *)context;
- int written = 0, to_write = -1;
- char tmp[4];
- byte *data_ptr = (byte *)data;
- for (;;) {
- a->ram_in_dw(a,
-#ifdef PLATFORM_GT_32BIT
- ULongToPtr(a->tx_stream[Id] + a->tx_pos[Id]),
-#else
- (void *)(a->tx_stream[Id] + a->tx_pos[Id]),
-#endif
- (dword *)&tmp[0],
- 1);
- if (tmp[0] & DIVA_DFIFO_READY) { /* No free blocks more */
- if (to_write < 0)
- return (-1); /* was not able to write */
- break; /* only part of message was written */
- }
- to_write = min(length, DIVA_DFIFO_DATA_SZ);
- if (to_write) {
- a->ram_out_buffer(a,
-#ifdef PLATFORM_GT_32BIT
- ULongToPtr(a->tx_stream[Id] + a->tx_pos[Id] + 4),
-#else
- (void *)(a->tx_stream[Id] + a->tx_pos[Id] + 4),
-#endif
- data_ptr,
- (word)to_write);
- length -= to_write;
- written += to_write;
- data_ptr += to_write;
- }
- tmp[1] = (char)to_write;
- tmp[0] = (tmp[0] & DIVA_DFIFO_WRAP) |
- DIVA_DFIFO_READY |
- ((!length && final) ? DIVA_DFIFO_LAST : 0);
- if (tmp[0] & DIVA_DFIFO_LAST) {
- tmp[2] = usr1;
- tmp[3] = usr2;
- }
- a->ram_out_dw(a,
-#ifdef PLATFORM_GT_32BIT
- ULongToPtr(a->tx_stream[Id] + a->tx_pos[Id]),
-#else
- (void *)(a->tx_stream[Id] + a->tx_pos[Id]),
-#endif
- (dword *)&tmp[0],
- 1);
- if (tmp[0] & DIVA_DFIFO_WRAP) {
- a->tx_pos[Id] = 0;
- } else {
- a->tx_pos[Id] += DIVA_DFIFO_STEP;
- }
- if (!length) {
- break;
- }
- }
- return (written);
-}
-/* -------------------------------------------------------------------
- In case of SYNCRONOUS service:
- Does write data from stream in caller's buffer.
- Does return amount of data written to buffer
- Final flag is set on return if last part of structured frame
- was received
- return 0 if zero packet was received
- return -1 if stream is empty
- return -2 if read buffer does not profide sufficient space
- to accommodate entire segment
- max_length should be at least 68 bytes
- ------------------------------------------------------------------- */
-int diva_istream_read(void *context,
- int Id,
- void *data,
- int max_length,
- int *final,
- byte *usr1,
- byte *usr2) {
- ADAPTER *a = (ADAPTER *)context;
- int read = 0, to_read = -1;
- char tmp[4];
- byte *data_ptr = (byte *)data;
- *final = 0;
- for (;;) {
- a->ram_in_dw(a,
-#ifdef PLATFORM_GT_32BIT
- ULongToPtr(a->rx_stream[Id] + a->rx_pos[Id]),
-#else
- (void *)(a->rx_stream[Id] + a->rx_pos[Id]),
-#endif
- (dword *)&tmp[0],
- 1);
- if (tmp[1] > max_length) {
- if (to_read < 0)
- return (-2); /* was not able to read */
- break;
- }
- if (!(tmp[0] & DIVA_DFIFO_READY)) {
- if (to_read < 0)
- return (-1); /* was not able to read */
- break;
- }
- to_read = min(max_length, (int)tmp[1]);
- if (to_read) {
- a->ram_in_buffer(a,
-#ifdef PLATFORM_GT_32BIT
- ULongToPtr(a->rx_stream[Id] + a->rx_pos[Id] + 4),
-#else
- (void *)(a->rx_stream[Id] + a->rx_pos[Id] + 4),
-#endif
- data_ptr,
- (word)to_read);
- max_length -= to_read;
- read += to_read;
- data_ptr += to_read;
- }
- if (tmp[0] & DIVA_DFIFO_LAST) {
- *final = 1;
- }
- tmp[0] &= DIVA_DFIFO_WRAP;
- a->ram_out_dw(a,
-#ifdef PLATFORM_GT_32BIT
- ULongToPtr(a->rx_stream[Id] + a->rx_pos[Id]),
-#else
- (void *)(a->rx_stream[Id] + a->rx_pos[Id]),
-#endif
- (dword *)&tmp[0],
- 1);
- if (tmp[0] & DIVA_DFIFO_WRAP) {
- a->rx_pos[Id] = 0;
- } else {
- a->rx_pos[Id] += DIVA_DFIFO_STEP;
- }
- if (*final) {
- if (usr1)
- *usr1 = tmp[2];
- if (usr2)
- *usr2 = tmp[3];
- break;
- }
- }
- return (read);
-}
-/* ---------------------------------------------------------------------
- Does check if one of streams had caused interrupt and does
- wake up corresponding application
- --------------------------------------------------------------------- */
-void pr_stream(ADAPTER *a) {
-}
-#endif /* } */
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