struct serial_state *spk_serial_init(int index)
{
int baud = 9600, quot = 0;
unsigned int cval = 0;
int cflag = CREAD | HUPCL | CLOCAL | B9600 | CS8;
struct serial_state *ser = NULL;
int err;
ser = rs_table + index;
/* Divisor, bytesize and parity */
quot = ser->baud_base / baud;
cval = cflag & (CSIZE | CSTOPB);
#if defined(__powerpc__) || defined(__alpha__)
cval >>= 8;
#else /* !__powerpc__ && !__alpha__ */
cval >>= 4;
#endif /* !__powerpc__ && !__alpha__ */
if (cflag & PARENB)
cval |= UART_LCR_PARITY;
if (!(cflag & PARODD))
cval |= UART_LCR_EPAR;
if (synth_request_region(ser->port, 8)) {
/* try to take it back. */
printk(KERN_INFO "Ports not available, trying to steal them\n");
__release_region(&ioport_resource, ser->port, 8);
err = synth_request_region(ser->port, 8);
if (err) {
pr_warn("Unable to allocate port at %lx, errno %i",
ser->port, err);
return NULL;
}
}
/* Disable UART interrupts, set DTR and RTS high
* and set speed. */
outb(cval | UART_LCR_DLAB, ser->port + UART_LCR); /* set DLAB */
outb(quot & 0xff, ser->port + UART_DLL); /* LS of divisor */
outb(quot >> 8, ser->port + UART_DLM); /* MS of divisor */
outb(cval, ser->port + UART_LCR); /* reset DLAB */
/* Turn off Interrupts */
outb(0, ser->port + UART_IER);
outb(UART_MCR_DTR | UART_MCR_RTS, ser->port + UART_MCR);
/* If we read 0xff from the LSR, there is no UART here. */
if (inb(ser->port + UART_LSR) == 0xff) {
synth_release_region(ser->port, 8);
serstate = NULL;
return NULL;
}
mdelay(1);
speakup_info.port_tts = ser->port;
serstate = ser;
start_serial_interrupt(ser->irq);
return ser;
}
const struct old_serial_port *spk_serial_init(int index)
{
int baud = 9600, quot = 0;
unsigned int cval = 0;
int cflag = CREAD | HUPCL | CLOCAL | B9600 | CS8;
const struct old_serial_port *ser = rs_table + index;
int err;
quot = ser->baud_base / baud;
cval = cflag & (CSIZE | CSTOPB);
#if defined(__powerpc__) || defined(__alpha__)
cval >>= 8;
#else
cval >>= 4;
#endif
if (cflag & PARENB)
cval |= UART_LCR_PARITY;
if (!(cflag & PARODD))
cval |= UART_LCR_EPAR;
if (synth_request_region(ser->port, 8)) {
printk(KERN_INFO "Ports not available, trying to steal them\n");
__release_region(&ioport_resource, ser->port, 8);
err = synth_request_region(ser->port, 8);
if (err) {
pr_warn("Unable to allocate port at %x, errno %i",
ser->port, err);
return NULL;
}
}
outb(cval | UART_LCR_DLAB, ser->port + UART_LCR);
outb(quot & 0xff, ser->port + UART_DLL);
outb(quot >> 8, ser->port + UART_DLM);
outb(cval, ser->port + UART_LCR);
outb(0, ser->port + UART_IER);
outb(UART_MCR_DTR | UART_MCR_RTS, ser->port + UART_MCR);
if (inb(ser->port + UART_LSR) == 0xff) {
synth_release_region(ser->port, 8);
serstate = NULL;
return NULL;
}
mdelay(1);
speakup_info.port_tts = ser->port;
serstate = ser;
start_serial_interrupt(ser->irq);
return ser;
}
static int synth_probe(struct spk_synth *synth)
{
unsigned int port_val = 0;
int i = 0;
struct synth_settings *sp;
pr_info("Probing for DoubleTalk.\n");
if (port_forced) {
speakup_info.port_tts = port_forced;
pr_info("probe forced to %x by kernel command line\n",
speakup_info.port_tts);
if ((port_forced & 0xf) != 0xf)
pr_info("warning: port base should probably end with f\n");
if (synth_request_region(speakup_info.port_tts-1,
SYNTH_IO_EXTENT)) {
pr_warn("sorry, port already reserved\n");
return -EBUSY;
}
port_val = inw(speakup_info.port_tts-1);
synth_lpc = speakup_info.port_tts-1;
} else {
for (i = 0; synth_portlist[i]; i++) {
if (synth_request_region(synth_portlist[i],
SYNTH_IO_EXTENT))
continue;
port_val = inw(synth_portlist[i]) & 0xfbff;
if (port_val == 0x107f) {
synth_lpc = synth_portlist[i];
speakup_info.port_tts = synth_lpc+1;
break;
}
synth_release_region(synth_portlist[i],
SYNTH_IO_EXTENT);
}
}
port_val &= 0xfbff;
if (port_val != 0x107f) {
pr_info("DoubleTalk PC: not found\n");
synth_release_region(synth_lpc, SYNTH_IO_EXTENT);
return -ENODEV;
}
while (inw_p(synth_lpc) != 0x147f)
cpu_relax(); /* wait until it's ready */
sp = synth_interrogate(synth);
pr_info("%s: %03x-%03x, ROM ver %s, s/n %u, driver: %s\n",
synth->long_name, synth_lpc, synth_lpc+SYNTH_IO_EXTENT - 1,
sp->rom_version, sp->serial_number, synth->version);
synth->alive = 1;
return 0;
}
static int synth_probe(struct spk_synth *synth)
{
unsigned int port_val = 0;
int i = 0;
pr_info("Probing for %s.\n", synth->long_name);
if (port_forced) {
speakup_info.port_tts = port_forced;
pr_info("probe forced to %x by kernel command line\n",
speakup_info.port_tts);
if (synth_request_region(speakup_info.port_tts - 1,
SYNTH_IO_EXTENT)) {
pr_warn("sorry, port already reserved\n");
return -EBUSY;
}
port_val = inw(speakup_info.port_tts - 1);
synth_port_control = speakup_info.port_tts - 1;
} else {
for (i = 0; synth_portlist[i]; i++) {
if (synth_request_region(synth_portlist[i],
SYNTH_IO_EXTENT)) {
pr_warn
("request_region: failed with 0x%x, %d\n",
synth_portlist[i], SYNTH_IO_EXTENT);
continue;
}
port_val = inw(synth_portlist[i]) & 0xfffc;
if (port_val == 0x53fc) {
/* 'S' and out&input bits */
synth_port_control = synth_portlist[i];
speakup_info.port_tts = synth_port_control + 1;
break;
}
}
}
port_val &= 0xfffc;
if (port_val != 0x53fc) {
/* 'S' and out&input bits */
pr_info("%s: not found\n", synth->long_name);
synth_release_region(synth_port_control, SYNTH_IO_EXTENT);
synth_port_control = 0;
return -ENODEV;
}
pr_info("%s: %03x-%03x, driver version %s,\n", synth->long_name,
synth_port_control, synth_port_control + SYNTH_IO_EXTENT - 1,
synth->version);
synth->alive = 1;
return 0;
}
static int synth_probe(struct spk_synth *synth)
{
int i = 0, failed = 0;
pr_info("Probing for %s.\n", synth->long_name);
for (i = 0; synth_portlist[i]; i++) {
if (synth_request_region(synth_portlist[i], SYNTH_IO_EXTENT)) {
pr_warn("request_region: failed with 0x%x, %d\n",
synth_portlist[i], SYNTH_IO_EXTENT);
continue;
}
speakup_info.port_tts = synth_portlist[i];
failed = testkernel();
if (failed == 0)
break;
}
if (failed) {
pr_info("%s: not found\n", synth->long_name);
return -ENODEV;
}
pr_info("%s: %03x-%03x, Driver Version %s,\n", synth->long_name,
speakup_info.port_tts, speakup_info.port_tts + 7,
synth->version);
synth->alive = 1;
return 0;
}
static int synth_probe(struct spk_synth *synth)
{
unsigned int port_val = 0;
int i = 0;
pr_info("Probing for %s.\n", synth->long_name);
if (port_forced) {
synth_port = port_forced;
pr_info("probe forced to %x by kernel command line\n",
synth_port);
if (synth_request_region(synth_port-1, SYNTH_IO_EXTENT)) {
pr_warn("sorry, port already reserved\n");
return -EBUSY;
}
port_val = inb(synth_port);
} else {
for (i = 0; synth_portlist[i]; i++) {
if (synth_request_region(synth_portlist[i],
SYNTH_IO_EXTENT)) {
pr_warn
("request_region: failed with 0x%x, %d\n",
synth_portlist[i], SYNTH_IO_EXTENT);
continue;
}
port_val = inb(synth_portlist[i]);
if (port_val == 0x80) {
synth_port = synth_portlist[i];
break;
}
}
}
if (port_val != 0x80) {
pr_info("%s: not found\n", synth->long_name);
synth_release_region(synth_port, SYNTH_IO_EXTENT);
synth_port = 0;
return -ENODEV;
}
pr_info("%s: %03x-%03x, driver version %s,\n", synth->long_name,
synth_port, synth_port+SYNTH_IO_EXTENT-1,
synth->version);
synth->alive = 1;
return 0;
}
