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linux-sg2042/drivers/isdn/hardware/eicon/os_bri.c

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/* $Id: os_bri.c,v 1.21 2004/03/21 17:26:01 armin Exp $ */
#include "platform.h"
#include "debuglib.h"
#include "cardtype.h"
#include "pc.h"
#include "pr_pc.h"
#include "di_defs.h"
#include "dsp_defs.h"
#include "di.h"
#include "io.h"
#include "xdi_msg.h"
#include "xdi_adapter.h"
#include "os_bri.h"
#include "diva_pci.h"
#include "mi_pc.h"
#include "pc_maint.h"
#include "dsrv_bri.h"
/*
** IMPORTS
*/
extern void prepare_maestra_functions(PISDN_ADAPTER IoAdapter);
extern void diva_xdi_display_adapter_features(int card);
extern int diva_card_read_xlog(diva_os_xdi_adapter_t *a);
/*
** LOCALS
*/
static int bri_bar_length[3] = {
0x80,
0x80,
0x20
};
static int diva_bri_cleanup_adapter(diva_os_xdi_adapter_t *a);
static dword diva_bri_get_serial_number(diva_os_xdi_adapter_t *a);
static int diva_bri_cmd_card_proc(struct _diva_os_xdi_adapter *a,
diva_xdi_um_cfg_cmd_t *cmd, int length);
static int diva_bri_reregister_io(diva_os_xdi_adapter_t *a);
static int diva_bri_reset_adapter(PISDN_ADAPTER IoAdapter);
static int diva_bri_write_sdram_block(PISDN_ADAPTER IoAdapter,
dword address,
const byte *data, dword length);
static int diva_bri_start_adapter(PISDN_ADAPTER IoAdapter,
dword start_address, dword features);
static int diva_bri_stop_adapter(diva_os_xdi_adapter_t *a);
static void diva_bri_set_addresses(diva_os_xdi_adapter_t *a)
{
a->resources.pci.mem_type_id[MEM_TYPE_RAM] = 0;
a->resources.pci.mem_type_id[MEM_TYPE_CFG] = 1;
a->resources.pci.mem_type_id[MEM_TYPE_ADDRESS] = 2;
a->resources.pci.mem_type_id[MEM_TYPE_RESET] = 1;
a->resources.pci.mem_type_id[MEM_TYPE_PORT] = 2;
a->resources.pci.mem_type_id[MEM_TYPE_CTLREG] = 2;
a->xdi_adapter.ram = a->resources.pci.addr[0];
a->xdi_adapter.cfg = a->resources.pci.addr[1];
a->xdi_adapter.Address = a->resources.pci.addr[2];
a->xdi_adapter.reset = a->xdi_adapter.cfg;
a->xdi_adapter.port = a->xdi_adapter.Address;
a->xdi_adapter.ctlReg = a->xdi_adapter.port + M_PCI_RESET;
a->xdi_adapter.reset += 0x4C; /* PLX 9050 !! */
}
/*
** BAR0 - MEM Addr - 0x80 - NOT USED
** BAR1 - I/O Addr - 0x80
** BAR2 - I/O Addr - 0x20
*/
int diva_bri_init_card(diva_os_xdi_adapter_t *a)
{
int bar;
dword bar2 = 0, bar2_length = 0xffffffff;
word cmd = 0, cmd_org;
byte Bus, Slot;
void *hdev;
byte __iomem *p;
/*
Set properties
*/
a->xdi_adapter.Properties = CardProperties[a->CardOrdinal];
DBG_LOG(("Load %s", a->xdi_adapter.Properties.Name))
/*
Get resources
*/
for (bar = 0; bar < 3; bar++) {
a->resources.pci.bar[bar] =
divasa_get_pci_bar(a->resources.pci.bus,
a->resources.pci.func, bar,
a->resources.pci.hdev);
if (!a->resources.pci.bar[bar]) {
DBG_ERR(("A: can't get BAR[%d]", bar))
return (-1);
}
}
a->resources.pci.irq =
(byte) divasa_get_pci_irq(a->resources.pci.bus,
a->resources.pci.func,
a->resources.pci.hdev);
if (!a->resources.pci.irq) {
DBG_ERR(("A: invalid irq"));
return (-1);
}
/*
Get length of I/O bar 2 - it is different by older
EEPROM version
*/
Bus = a->resources.pci.bus;
Slot = a->resources.pci.func;
hdev = a->resources.pci.hdev;
/*
Get plain original values of the BAR2 CDM registers
*/
PCIread(Bus, Slot, 0x18, &bar2, sizeof(bar2), hdev);
PCIread(Bus, Slot, 0x04, &cmd_org, sizeof(cmd_org), hdev);
/*
Disable device and get BAR2 length
*/
PCIwrite(Bus, Slot, 0x04, &cmd, sizeof(cmd), hdev);
PCIwrite(Bus, Slot, 0x18, &bar2_length, sizeof(bar2_length), hdev);
PCIread(Bus, Slot, 0x18, &bar2_length, sizeof(bar2_length), hdev);
/*
Restore BAR2 and CMD registers
*/
PCIwrite(Bus, Slot, 0x18, &bar2, sizeof(bar2), hdev);
PCIwrite(Bus, Slot, 0x04, &cmd_org, sizeof(cmd_org), hdev);
/*
Calculate BAR2 length
*/
bar2_length = (~(bar2_length & ~7)) + 1;
DBG_LOG(("BAR[2] length=%lx", bar2_length))
/*
Map and register resources
*/
if (!(a->resources.pci.addr[0] =
divasa_remap_pci_bar(a, 0, a->resources.pci.bar[0],
bri_bar_length[0]))) {
DBG_ERR(("A: BRI, can't map BAR[0]"))
diva_bri_cleanup_adapter(a);
return (-1);
}
sprintf(&a->port_name[0], "BRI %02x:%02x",
a->resources.pci.bus, a->resources.pci.func);
if (diva_os_register_io_port(a, 1, a->resources.pci.bar[1],
bri_bar_length[1], &a->port_name[0], 1)) {
DBG_ERR(("A: BRI, can't register BAR[1]"))
diva_bri_cleanup_adapter(a);
return (-1);
}
a->resources.pci.addr[1] = (void *) (unsigned long) a->resources.pci.bar[1];
a->resources.pci.length[1] = bri_bar_length[1];
if (diva_os_register_io_port(a, 1, a->resources.pci.bar[2],
bar2_length, &a->port_name[0], 2)) {
DBG_ERR(("A: BRI, can't register BAR[2]"))
diva_bri_cleanup_adapter(a);
return (-1);
}
a->resources.pci.addr[2] = (void *) (unsigned long) a->resources.pci.bar[2];
a->resources.pci.length[2] = bar2_length;
/*
Set all memory areas
*/
diva_bri_set_addresses(a);
/*
Get Serial Number
*/
a->xdi_adapter.serialNo = diva_bri_get_serial_number(a);
/*
Register I/O ports with correct name now
*/
if (diva_bri_reregister_io(a)) {
diva_bri_cleanup_adapter(a);
return (-1);
}
/*
Initialize OS dependent objects
*/
if (diva_os_initialize_spin_lock
(&a->xdi_adapter.isr_spin_lock, "isr")) {
diva_bri_cleanup_adapter(a);
return (-1);
}
if (diva_os_initialize_spin_lock
(&a->xdi_adapter.data_spin_lock, "data")) {
diva_bri_cleanup_adapter(a);
return (-1);
}
strcpy(a->xdi_adapter.req_soft_isr.dpc_thread_name, "kdivasbrid");
if (diva_os_initialize_soft_isr(&a->xdi_adapter.req_soft_isr,
DIDpcRoutine, &a->xdi_adapter)) {
diva_bri_cleanup_adapter(a);
return (-1);
}
/*
Do not initialize second DPC - only one thread will be created
*/
a->xdi_adapter.isr_soft_isr.object = a->xdi_adapter.req_soft_isr.object;
/*
Create entity table
*/
a->xdi_adapter.Channels = CardProperties[a->CardOrdinal].Channels;
a->xdi_adapter.e_max = CardProperties[a->CardOrdinal].E_info;
a->xdi_adapter.e_tbl = diva_os_malloc(0, a->xdi_adapter.e_max * sizeof(E_INFO));
if (!a->xdi_adapter.e_tbl) {
diva_bri_cleanup_adapter(a);
return (-1);
}
memset(a->xdi_adapter.e_tbl, 0x00, a->xdi_adapter.e_max * sizeof(E_INFO));
/*
Set up interface
*/
a->xdi_adapter.a.io = &a->xdi_adapter;
a->xdi_adapter.DIRequest = request;
a->interface.cleanup_adapter_proc = diva_bri_cleanup_adapter;
a->interface.cmd_proc = diva_bri_cmd_card_proc;
p = DIVA_OS_MEM_ATTACH_RESET(&a->xdi_adapter);
outpp(p, 0x41);
DIVA_OS_MEM_DETACH_RESET(&a->xdi_adapter, p);
prepare_maestra_functions(&a->xdi_adapter);
a->dsp_mask = 0x00000003;
/*
Set IRQ handler
*/
a->xdi_adapter.irq_info.irq_nr = a->resources.pci.irq;
sprintf(a->xdi_adapter.irq_info.irq_name, "DIVA BRI %ld",
(long) a->xdi_adapter.serialNo);
if (diva_os_register_irq(a, a->xdi_adapter.irq_info.irq_nr,
a->xdi_adapter.irq_info.irq_name)) {
diva_bri_cleanup_adapter(a);
return (-1);
}
a->xdi_adapter.irq_info.registered = 1;
diva_log_info("%s IRQ:%d SerNo:%d", a->xdi_adapter.Properties.Name,
a->resources.pci.irq, a->xdi_adapter.serialNo);
return (0);
}
static int diva_bri_cleanup_adapter(diva_os_xdi_adapter_t *a)
{
int i;
if (a->xdi_adapter.Initialized) {
diva_bri_stop_adapter(a);
}
/*
Remove ISR Handler
*/
if (a->xdi_adapter.irq_info.registered) {
diva_os_remove_irq(a, a->xdi_adapter.irq_info.irq_nr);
}
a->xdi_adapter.irq_info.registered = 0;
if (a->resources.pci.addr[0] && a->resources.pci.bar[0]) {
divasa_unmap_pci_bar(a->resources.pci.addr[0]);
a->resources.pci.addr[0] = NULL;
a->resources.pci.bar[0] = 0;
}
for (i = 1; i < 3; i++) {
if (a->resources.pci.addr[i] && a->resources.pci.bar[i]) {
diva_os_register_io_port(a, 0,
a->resources.pci.bar[i],
a->resources.pci.
length[i],
&a->port_name[0], i);
a->resources.pci.addr[i] = NULL;
a->resources.pci.bar[i] = 0;
}
}
/*
Free OS objects
*/
diva_os_cancel_soft_isr(&a->xdi_adapter.req_soft_isr);
diva_os_cancel_soft_isr(&a->xdi_adapter.isr_soft_isr);
diva_os_remove_soft_isr(&a->xdi_adapter.req_soft_isr);
a->xdi_adapter.isr_soft_isr.object = NULL;
diva_os_destroy_spin_lock(&a->xdi_adapter.isr_spin_lock, "rm");
diva_os_destroy_spin_lock(&a->xdi_adapter.data_spin_lock, "rm");
/*
Free memory
*/
if (a->xdi_adapter.e_tbl) {
diva_os_free(0, a->xdi_adapter.e_tbl);
a->xdi_adapter.e_tbl = NULL;
}
return (0);
}
void diva_os_prepare_maestra_functions(PISDN_ADAPTER IoAdapter)
{
}
/*
** Get serial number
*/
static dword diva_bri_get_serial_number(diva_os_xdi_adapter_t *a)
{
dword serNo = 0;
byte __iomem *confIO;
word serHi, serLo;
word __iomem *confMem;
confIO = DIVA_OS_MEM_ATTACH_CFG(&a->xdi_adapter);
serHi = (word) (inppw(&confIO[0x22]) & 0x0FFF);
serLo = (word) (inppw(&confIO[0x26]) & 0x0FFF);
serNo = ((dword) serHi << 16) | (dword) serLo;
DIVA_OS_MEM_DETACH_CFG(&a->xdi_adapter, confIO);
if ((serNo == 0) || (serNo == 0xFFFFFFFF)) {
DBG_FTL(("W: BRI use BAR[0] to get card serial number"))
confMem = (word __iomem *)DIVA_OS_MEM_ATTACH_RAM(&a->xdi_adapter);
serHi = (word) (READ_WORD(&confMem[0x11]) & 0x0FFF);
serLo = (word) (READ_WORD(&confMem[0x13]) & 0x0FFF);
serNo = (((dword) serHi) << 16) | ((dword) serLo);
DIVA_OS_MEM_DETACH_RAM(&a->xdi_adapter, confMem);
}
DBG_LOG(("Serial Number=%ld", serNo))
return (serNo);
}
/*
** Unregister I/O and register it with new name,
** based on Serial Number
*/
static int diva_bri_reregister_io(diva_os_xdi_adapter_t *a)
{
int i;
for (i = 1; i < 3; i++) {
diva_os_register_io_port(a, 0, a->resources.pci.bar[i],
a->resources.pci.length[i],
&a->port_name[0], i);
a->resources.pci.addr[i] = NULL;
}
sprintf(a->port_name, "DIVA BRI %ld",
(long) a->xdi_adapter.serialNo);
for (i = 1; i < 3; i++) {
if (diva_os_register_io_port(a, 1, a->resources.pci.bar[i],
a->resources.pci.length[i],
&a->port_name[0], i)) {
DBG_ERR(("A: failed to reregister BAR[%d]", i))
return (-1);
}
a->resources.pci.addr[i] =
(void *) (unsigned long) a->resources.pci.bar[i];
}
return (0);
}
/*
** Process command from user mode
*/
static int
diva_bri_cmd_card_proc(struct _diva_os_xdi_adapter *a,
diva_xdi_um_cfg_cmd_t *cmd, int length)
{
int ret = -1;
if (cmd->adapter != a->controller) {
DBG_ERR(("A: pri_cmd, invalid controller=%d != %d",
cmd->adapter, a->controller))
return (-1);
}
switch (cmd->command) {
case DIVA_XDI_UM_CMD_GET_CARD_ORDINAL:
a->xdi_mbox.data_length = sizeof(dword);
a->xdi_mbox.data =
diva_os_malloc(0, a->xdi_mbox.data_length);
if (a->xdi_mbox.data) {
*(dword *) a->xdi_mbox.data =
(dword) a->CardOrdinal;
a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
ret = 0;
}
break;
case DIVA_XDI_UM_CMD_GET_SERIAL_NR:
a->xdi_mbox.data_length = sizeof(dword);
a->xdi_mbox.data =
diva_os_malloc(0, a->xdi_mbox.data_length);
if (a->xdi_mbox.data) {
*(dword *) a->xdi_mbox.data =
(dword) a->xdi_adapter.serialNo;
a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
ret = 0;
}
break;
case DIVA_XDI_UM_CMD_GET_PCI_HW_CONFIG:
a->xdi_mbox.data_length = sizeof(dword) * 9;
a->xdi_mbox.data =
diva_os_malloc(0, a->xdi_mbox.data_length);
if (a->xdi_mbox.data) {
int i;
dword *data = (dword *) a->xdi_mbox.data;
for (i = 0; i < 8; i++) {
*data++ = a->resources.pci.bar[i];
}
*data++ = (dword) a->resources.pci.irq;
a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
ret = 0;
}
break;
case DIVA_XDI_UM_CMD_GET_CARD_STATE:
a->xdi_mbox.data_length = sizeof(dword);
a->xdi_mbox.data =
diva_os_malloc(0, a->xdi_mbox.data_length);
if (a->xdi_mbox.data) {
dword *data = (dword *) a->xdi_mbox.data;
if (!a->xdi_adapter.port) {
*data = 3;
} else if (a->xdi_adapter.trapped) {
*data = 2;
} else if (a->xdi_adapter.Initialized) {
*data = 1;
} else {
*data = 0;
}
a->xdi_mbox.status = DIVA_XDI_MBOX_BUSY;
ret = 0;
}
break;
case DIVA_XDI_UM_CMD_RESET_ADAPTER:
ret = diva_bri_reset_adapter(&a->xdi_adapter);
break;
case DIVA_XDI_UM_CMD_WRITE_SDRAM_BLOCK:
ret = diva_bri_write_sdram_block(&a->xdi_adapter,
cmd->command_data.
write_sdram.offset,
(byte *)&cmd[1],
cmd->command_data.
write_sdram.length);
break;
case DIVA_XDI_UM_CMD_START_ADAPTER:
ret = diva_bri_start_adapter(&a->xdi_adapter,
cmd->command_data.start.
offset,
cmd->command_data.start.
features);
break;
case DIVA_XDI_UM_CMD_SET_PROTOCOL_FEATURES:
a->xdi_adapter.features =
cmd->command_data.features.features;
a->xdi_adapter.a.protocol_capabilities =
a->xdi_adapter.features;
DBG_TRC(
("Set raw protocol features (%08x)",
a->xdi_adapter.features)) ret = 0;
break;
case DIVA_XDI_UM_CMD_STOP_ADAPTER:
ret = diva_bri_stop_adapter(a);
break;
case DIVA_XDI_UM_CMD_READ_XLOG_ENTRY:
ret = diva_card_read_xlog(a);
break;
default:
DBG_ERR(
("A: A(%d) invalid cmd=%d", a->controller,
cmd->command))}
return (ret);
}
static int diva_bri_reset_adapter(PISDN_ADAPTER IoAdapter)
{
byte __iomem *addrHi, *addrLo, *ioaddr;
dword i;
byte __iomem *Port;
if (!IoAdapter->port) {
return (-1);
}
if (IoAdapter->Initialized) {
DBG_ERR(("A: A(%d) can't reset BRI adapter - please stop first",
IoAdapter->ANum)) return (-1);
}
(*(IoAdapter->rstFnc)) (IoAdapter);
diva_os_wait(100);
Port = DIVA_OS_MEM_ATTACH_PORT(IoAdapter);
addrHi = Port +
((IoAdapter->Properties.Bus == BUS_PCI) ? M_PCI_ADDRH : ADDRH);
addrLo = Port + ADDR;
ioaddr = Port + DATA;
/*
recover
*/
outpp(addrHi, (byte) 0);
outppw(addrLo, (word) 0);
outppw(ioaddr, (word) 0);
/*
clear shared memory
*/
outpp(addrHi,
(byte) (
(IoAdapter->MemoryBase + IoAdapter->MemorySize -
BRI_SHARED_RAM_SIZE) >> 16));
outppw(addrLo, 0);
for (i = 0; i < 0x8000; outppw(ioaddr, 0), ++i);
diva_os_wait(100);
/*
clear signature
*/
outpp(addrHi,
(byte) (
(IoAdapter->MemoryBase + IoAdapter->MemorySize -
BRI_SHARED_RAM_SIZE) >> 16));
outppw(addrLo, 0x1e);
outpp(ioaddr, 0);
outpp(ioaddr, 0);
outpp(addrHi, (byte) 0);
outppw(addrLo, (word) 0);
outppw(ioaddr, (word) 0);
DIVA_OS_MEM_DETACH_PORT(IoAdapter, Port);
/*
Forget all outstanding entities
*/
IoAdapter->e_count = 0;
if (IoAdapter->e_tbl) {
memset(IoAdapter->e_tbl, 0x00,
IoAdapter->e_max * sizeof(E_INFO));
}
IoAdapter->head = 0;
IoAdapter->tail = 0;
IoAdapter->assign = 0;
IoAdapter->trapped = 0;
memset(&IoAdapter->a.IdTable[0], 0x00,
sizeof(IoAdapter->a.IdTable));
memset(&IoAdapter->a.IdTypeTable[0], 0x00,
sizeof(IoAdapter->a.IdTypeTable));
memset(&IoAdapter->a.FlowControlIdTable[0], 0x00,
sizeof(IoAdapter->a.FlowControlIdTable));
memset(&IoAdapter->a.FlowControlSkipTable[0], 0x00,
sizeof(IoAdapter->a.FlowControlSkipTable));
memset(&IoAdapter->a.misc_flags_table[0], 0x00,
sizeof(IoAdapter->a.misc_flags_table));
memset(&IoAdapter->a.rx_stream[0], 0x00,
sizeof(IoAdapter->a.rx_stream));
memset(&IoAdapter->a.tx_stream[0], 0x00,
sizeof(IoAdapter->a.tx_stream));
memset(&IoAdapter->a.tx_pos[0], 0x00, sizeof(IoAdapter->a.tx_pos));
memset(&IoAdapter->a.rx_pos[0], 0x00, sizeof(IoAdapter->a.rx_pos));
return (0);
}
static int
diva_bri_write_sdram_block(PISDN_ADAPTER IoAdapter,
dword address, const byte *data, dword length)
{
byte __iomem *addrHi, *addrLo, *ioaddr;
byte __iomem *Port;
if (!IoAdapter->port) {
return (-1);
}
Port = DIVA_OS_MEM_ATTACH_PORT(IoAdapter);
addrHi = Port +
((IoAdapter->Properties.Bus == BUS_PCI) ? M_PCI_ADDRH : ADDRH);
addrLo = Port + ADDR;
ioaddr = Port + DATA;
while (length--) {
outpp(addrHi, (word) (address >> 16));
outppw(addrLo, (word) (address & 0x0000ffff));
outpp(ioaddr, *data++);
address++;
}
DIVA_OS_MEM_DETACH_PORT(IoAdapter, Port);
return (0);
}
static int
diva_bri_start_adapter(PISDN_ADAPTER IoAdapter,
dword start_address, dword features)
{
byte __iomem *Port;
dword i, test;
byte __iomem *addrHi, *addrLo, *ioaddr;
int started = 0;
ADAPTER *a = &IoAdapter->a;
if (IoAdapter->Initialized) {
DBG_ERR(
("A: A(%d) bri_start_adapter, adapter already running",
IoAdapter->ANum)) return (-1);
}
if (!IoAdapter->port) {
DBG_ERR(("A: A(%d) bri_start_adapter, adapter not mapped",
IoAdapter->ANum)) return (-1);
}
sprintf(IoAdapter->Name, "A(%d)", (int) IoAdapter->ANum);
DBG_LOG(("A(%d) start BRI", IoAdapter->ANum))
Port = DIVA_OS_MEM_ATTACH_PORT(IoAdapter);
addrHi = Port +
((IoAdapter->Properties.Bus == BUS_PCI) ? M_PCI_ADDRH : ADDRH);
addrLo = Port + ADDR;
ioaddr = Port + DATA;
outpp(addrHi,
(byte) (
(IoAdapter->MemoryBase + IoAdapter->MemorySize -
BRI_SHARED_RAM_SIZE) >> 16));
outppw(addrLo, 0x1e);
outppw(ioaddr, 0x00);
DIVA_OS_MEM_DETACH_PORT(IoAdapter, Port);
/*
start the protocol code
*/
Port = DIVA_OS_MEM_ATTACH_CTLREG(IoAdapter);
outpp(Port, 0x08);
DIVA_OS_MEM_DETACH_CTLREG(IoAdapter, Port);
Port = DIVA_OS_MEM_ATTACH_PORT(IoAdapter);
addrHi = Port +
((IoAdapter->Properties.Bus == BUS_PCI) ? M_PCI_ADDRH : ADDRH);
addrLo = Port + ADDR;
ioaddr = Port + DATA;
/*
wait for signature (max. 3 seconds)
*/
for (i = 0; i < 300; ++i) {
diva_os_wait(10);
outpp(addrHi,
(byte) (
(IoAdapter->MemoryBase +
IoAdapter->MemorySize -
BRI_SHARED_RAM_SIZE) >> 16));
outppw(addrLo, 0x1e);
test = (dword) inppw(ioaddr);
if (test == 0x4447) {
DBG_LOG(
("Protocol startup time %d.%02d seconds",
(i / 100), (i % 100)))
started = 1;
break;
}
}
DIVA_OS_MEM_DETACH_PORT(IoAdapter, Port);
if (!started) {
DBG_FTL(("A: A(%d) %s: Adapter selftest failed 0x%04X",
IoAdapter->ANum, IoAdapter->Properties.Name,
test))
(*(IoAdapter->trapFnc)) (IoAdapter);
return (-1);
}
IoAdapter->Initialized = 1;
/*
Check Interrupt
*/
IoAdapter->IrqCount = 0;
a->ReadyInt = 1;
if (IoAdapter->reset) {
Port = DIVA_OS_MEM_ATTACH_RESET(IoAdapter);
outpp(Port, 0x41);
DIVA_OS_MEM_DETACH_RESET(IoAdapter, Port);
}
a->ram_out(a, &PR_RAM->ReadyInt, 1);
for (i = 0; ((!IoAdapter->IrqCount) && (i < 100)); i++) {
diva_os_wait(10);
}
if (!IoAdapter->IrqCount) {
DBG_ERR(
("A: A(%d) interrupt test failed",
IoAdapter->ANum))
IoAdapter->Initialized = 0;
IoAdapter->stop(IoAdapter);
return (-1);
}
IoAdapter->Properties.Features = (word) features;
diva_xdi_display_adapter_features(IoAdapter->ANum);
DBG_LOG(("A(%d) BRI adapter successfully started", IoAdapter->ANum))
/*
Register with DIDD
*/
diva_xdi_didd_register_adapter(IoAdapter->ANum);
return (0);
}
static void diva_bri_clear_interrupts(diva_os_xdi_adapter_t *a)
{
PISDN_ADAPTER IoAdapter = &a->xdi_adapter;
/*
clear any pending interrupt
*/
IoAdapter->disIrq(IoAdapter);
IoAdapter->tst_irq(&IoAdapter->a);
IoAdapter->clr_irq(&IoAdapter->a);
IoAdapter->tst_irq(&IoAdapter->a);
/*
kill pending dpcs
*/
diva_os_cancel_soft_isr(&IoAdapter->req_soft_isr);
diva_os_cancel_soft_isr(&IoAdapter->isr_soft_isr);
}
/*
** Stop card
*/
static int diva_bri_stop_adapter(diva_os_xdi_adapter_t *a)
{
PISDN_ADAPTER IoAdapter = &a->xdi_adapter;
int i = 100;
if (!IoAdapter->port) {
return (-1);
}
if (!IoAdapter->Initialized) {
DBG_ERR(("A: A(%d) can't stop BRI adapter - not running",
IoAdapter->ANum))
return (-1); /* nothing to stop */
}
IoAdapter->Initialized = 0;
/*
Disconnect Adapter from DIDD
*/
diva_xdi_didd_remove_adapter(IoAdapter->ANum);
/*
Stop interrupts
*/
a->clear_interrupts_proc = diva_bri_clear_interrupts;
IoAdapter->a.ReadyInt = 1;
IoAdapter->a.ram_inc(&IoAdapter->a, &PR_RAM->ReadyInt);
do {
diva_os_sleep(10);
} while (i-- && a->clear_interrupts_proc);
if (a->clear_interrupts_proc) {
diva_bri_clear_interrupts(a);
a->clear_interrupts_proc = NULL;
DBG_ERR(("A: A(%d) no final interrupt from BRI adapter",
IoAdapter->ANum))
}
IoAdapter->a.ReadyInt = 0;
/*
Stop and reset adapter
*/
IoAdapter->stop(IoAdapter);
return (0);
}
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