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-rw-r--r--chips/tca100.c360
1 files changed, 0 insertions, 360 deletions
diff --git a/chips/tca100.c b/chips/tca100.c
deleted file mode 100644
index 7ad4fec..0000000
--- a/chips/tca100.c
+++ /dev/null
@@ -1,360 +0,0 @@
-/*
- * Mach Operating System
- * Copyright (c) 1992 Carnegie Mellon University
- * All Rights Reserved.
- *
- * Permission to use, copy, modify and distribute this software and its
- * documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- *
- * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
- * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
- * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
- * Carnegie Mellon requests users of this software to return to
- *
- * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
- * School of Computer Science
- * Carnegie Mellon University
- * Pittsburgh PA 15213-3890
- *
- * any improvements or extensions that they make and grant Carnegie Mellon
- * the rights to redistribute these changes.
- */
-
-#ifndef STUB
-#include <atm.h>
-#else
-#include "atm.h"
-#endif
-
-#if NATM > 0
-
-#ifndef STUB
-#include <sys/types.h>
-#include <kern/thread.h>
-#include <kern/lock.h>
-#include <kern/eventcount.h>
-#include <machine/machspl.h> /* spl definitions */
-#include <mips/mips_cpu.h>
-#include <vm/vm_kern.h>
-#include <device/io_req.h>
-#include <device/device_types.h>
-#include <device/net_status.h>
-#include <chips/busses.h>
-#include <chips/nc.h>
-#include <chips/tca100.h>
-#include <chips/tca100_if.h>
-
-decl_simple_lock_data(, atm_simple_lock);
-
-#else
-#include "stub.h"
-#include "nc.h"
-#include "tca100_if.h"
-#include "tca100.h"
-
-int atm_simple_lock;
-
-#endif
-
-struct bus_device *atm_info[NATM];
-
-int atm_probe();
-void atm_attach();
-struct bus_driver atm_driver =
- { atm_probe, 0, atm_attach, 0, /* csr */ 0, "atm", atm_info,
- "", 0, /* flags */ 0 };
-
-atm_device_t atmp[NATM] = {NULL};
-u_int atm_open_count[NATM];
-u_int atm_mapped[NATM];
-u_int atm_control_mask[NATM];
-struct evc atm_event_counter[NATM];
-
-#define DEVICE(unit) ((unit == 0) ? NW_TCA100_1 : NW_TCA100_2)
-
-void atm_initialize(int unit) {
-
- atmp[unit]->creg = (CR_RX_RESET | CR_TX_RESET);
- atmp[unit]->creg = 0;
- atmp[unit]->rxtimerv = 0;
- atmp[unit]->rxthresh = 1;
- atmp[unit]->txthresh = 0;
- atmp[unit]->sreg = 0;
- atmp[unit]->creg = atm_control_mask[unit] = (CR_RX_ENABLE | CR_TX_ENABLE);
- atm_open_count[unit] = 0;
- atm_mapped[unit] = 0;
-}
-
-/*** Device entry points ***/
-
-int atm_probe(vm_offset_t reg, struct bus_device *ui) {
- int un;
-
- un = ui->unit;
- if (un >= NATM || check_memory(reg, 0)) {
- return 0;
- }
-
- atm_info[un] = ui;
- atmp[un] = (atm_device_t) reg;
- nc_initialize();
- if (nc_device_register(DEVICE(un), NW_CONNECTION_ORIENTED, (char *) reg,
- &tca100_entry_table) == NW_SUCCESS &&
- tca100_initialize(DEVICE(un)) == NW_SUCCESS) {
- atm_initialize(un);
- evc_init(&atm_event_counter[un]);
- return 1;
- } else {
- atmp[un] = NULL;
- (void) nc_device_unregister(DEVICE(un), NW_FAILURE);
- return 0;
- }
-}
-
-void atm_attach(struct bus_device *ui) {
- int un;
-
- un = ui->unit;
- if (un >= NATM) {
- printf("atm: stray attach\n");
- } else {
- atmp[un]->creg =
- atm_control_mask[un] = CR_TX_ENABLE | CR_RX_ENABLE | RX_COUNT_INTR;
- /*Enable ATM interrupts*/
- }
-}
-
-void atm_intr(int unit, int spl_level) {
-
- if (unit >= NATM || atmp[unit] == NULL) {
- printf("atm: stray interrupt\n");
- } else {
- atmp[unit]->creg = CR_TX_ENABLE | CR_RX_ENABLE; /*Disable ATM interrupts*/
- wbflush();
- if (atm_mapped[unit]) {
- splx(spl_level);
- evc_signal(&atm_event_counter[unit]);
- } else {
- simple_lock(&atm_simple_lock);
- tca100_poll(DEVICE(unit));
- atmp[unit]->creg = atm_control_mask[unit];
- simple_unlock(&atm_simple_lock);
- splx(spl_level);
- }
- }
-}
-
-io_return_t atm_open(dev_t dev, int mode, io_req_t ior) {
- int un;
-
- un = minor(dev);
- if (un >= NATM || atmp[un] == NULL) {
- return D_NO_SUCH_DEVICE;
-/*
- } else if (atm_open_count[un] > 0 && (atm_mapped[un] || (mode & D_WRITE))) {
- return D_ALREADY_OPEN;
-*/
- } else {
- atm_open_count[un]++;
- atm_mapped[un] = ((mode & D_WRITE) != 0);
- if (atm_mapped[un])
- (void) nc_device_unregister(DEVICE(un), NW_NOT_SERVER);
- return D_SUCCESS;
- }
-}
-
-io_return_t atm_close(dev_t dev) {
- int un;
-
- un = minor(dev);
- if (un >= NATM || atmp[un] == NULL) {
- return D_NO_SUCH_DEVICE;
- } else if (atm_open_count[un] == 0) {
- return D_INVALID_OPERATION;
- } else {
- if (atm_mapped[un]) {
- (void) nc_device_register(DEVICE(un), NW_CONNECTION_ORIENTED,
- (char *) atmp[un],
- &tca100_entry_table);
- atm_mapped[un] = 0;
- }
- atm_open_count[un]--;
- return D_SUCCESS;
- }
-}
-
-unsigned int *frc = 0xbe801000;
-char data[66000];
-
-io_return_t atm_read(dev_t dev, io_req_t ior) {
- unsigned int ck1, ck2;
- int i, j;
- char c[16];
-
- ck1 = *frc;
- device_read_alloc(ior, ior->io_count);
- for (i = 0, j = 0; i < ior->io_count; i += 4096, j++)
- c[j] = (ior->io_data)[i];
- ck2 = *frc;
- ((int *) ior->io_data)[0] = ck1;
- ((int *) ior->io_data)[1] = ck2;
- return D_SUCCESS;
-}
-
-io_return_t atm_write(dev_t dev, io_req_t ior) {
- int i, j;
- char c[16];
- boolean_t wait;
-
- device_write_get(ior, &wait);
- for (i = 0, j = 0; i < ior->io_total; i += 4096, j++)
- c[j] = (ior->io_data)[i];
- ior->io_residual = ior->io_total - *frc;
- return D_SUCCESS;
-}
-
-io_return_t atm_get_status(dev_t dev, int flavor, dev_status_t status,
- u_int *status_count) {
- int un;
-
- un = minor(dev);
- if (un >= NATM || atmp[un] == NULL) {
- return D_NO_SUCH_DEVICE;
- } else {
- switch ((atm_status) flavor) {
- case ATM_MAP_SIZE:
- status[0] = sizeof(atm_device_s);
- *status_count = sizeof(int);
- return D_SUCCESS;
- case ATM_MTU_SIZE:
- status[0] = 65535; /*MTU size*/
- *status_count = sizeof(int);
- return D_SUCCESS;
- case ATM_EVC_ID:
- status[0] = atm_event_counter[un].ev_id;
- *status_count = sizeof(int);
- return D_SUCCESS;
- case ATM_ASSIGNMENT:
- status[0] = atm_mapped[un];
- status[1] = atm_open_count[un];
- *status_count = 2 * sizeof(int);
- return D_SUCCESS;
- default:
- return D_INVALID_OPERATION;
- }
- }
-}
-
-io_return_t atm_set_status(dev_t dev, int flavor, dev_status_t status,
- u_int status_count) {
- io_return_t rc;
- int un, s;
- nw_pvc_t pvcp;
- nw_plist_t pel;
- nw_ep lep;
-
- un = minor(dev);
- if (un >= NATM || atmp[un] == NULL) {
- return D_NO_SUCH_DEVICE;
- } else switch ((atm_status) flavor) {
- case ATM_INITIALIZE:
- if (status_count != 0) {
- return D_INVALID_OPERATION;
- } else {
- s = splsched();
- if (nc_device_register(DEVICE(un), NW_CONNECTION_ORIENTED,
- (char *) atmp[un],
- &tca100_entry_table) == NW_SUCCESS &&
- tca100_initialize(DEVICE(un)) == NW_SUCCESS) {
- atm_initialize(un);
- rc = D_SUCCESS;
- } else {
- atmp[un] = NULL;
- (void) nc_device_unregister(DEVICE(un), NW_FAILURE);
- rc = D_INVALID_OPERATION;
- }
- splx(s);
- return rc;
- }
- break;
-
-#if PERMANENT_VIRTUAL_CONNECTIONS
- case ATM_PVC_SET:
- pvcp = (nw_pvc_t) status;
- if (status_count != sizeof(nw_pvc_s) || pvcp->pvc.local_ep >= MAX_EP) {
- rc = D_INVALID_OPERATION;
- } else if ((pel = nc_peer_allocate()) == NULL) {
- rc = D_INVALID_OPERATION;
- } else {
- lep = pvcp->pvc.local_ep;
- tct[lep].rx_sar_header = SSM | 1;
- tct[lep].tx_atm_header = pvcp->tx_vp << ATM_VPVC_SHIFT;
- tct[lep].tx_sar_header = 1;
- ect[lep].state = NW_DUPLEX_ACCEPTED;
- pel->peer = pvcp->pvc;
- pel->next = NULL;
- ect[lep].conn = pel;
- if (pvcp->protocol == NW_LINE) {
- if (nc_line_update(&pel->peer, lep) == NW_SUCCESS) {
- ect[lep].protocol = pvcp->protocol;
- if (nw_free_line_last == 0)
- nw_free_line_first = lep;
- else
- ect[nw_free_line_last].next = lep;
- ect[lep].previous = nw_free_line_last;
- ect[lep].next = 0;
- nw_free_line_last = lep;
- rc = D_SUCCESS;
- } else {
- rc = D_INVALID_OPERATION;
- }
- } else {
- rc = D_SUCCESS;
- }
- }
- return rc;
-#endif
-
- default:
- return D_INVALID_OPERATION;
- }
-}
-
-int atm_mmap(dev_t dev, vm_offset_t off, int prot) {
- int un;
- vm_offset_t addr;
-
- un = minor(dev);
- if (un >= NATM || atmp[un] == NULL || !atm_mapped[un] ||
- off >= sizeof(atm_device_s)) {
- return -1;
- } else {
- return mips_btop(K1SEG_TO_PHYS( (vm_offset_t) atmp[un] ) + off );
- }
-}
-
-io_return_t atm_restart(int u) {
-
- return D_INVALID_OPERATION;
-}
-
-io_return_t atm_setinput(dev_t dev, ipc_port_t receive_port, int priority,
- filter_array_t *filter, u_int filter_count) {
-
- return D_INVALID_OPERATION;
-}
-
-int atm_portdeath(dev_t dev, mach_port_t port) {
-
- return D_INVALID_OPERATION;
-}
-
-
-#endif NATM > 0
-
-
-
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