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-rw-r--r--tools/serial_probe/serial.c282
1 files changed, 142 insertions, 140 deletions
diff --git a/tools/serial_probe/serial.c b/tools/serial_probe/serial.c
index ff47a3269..78cfbaf2e 100644
--- a/tools/serial_probe/serial.c
+++ b/tools/serial_probe/serial.c
@@ -89,65 +89,65 @@ static void serialFreeDevice(struct serialDevice *dev) {
static void serialWriteDevice(FILE *file, struct serialDevice *dev)
{
- writeDevice(file, (struct device *) dev);
- if (dev->pnpmfr)
- fprintf(file,"pnpmfr: %s\n",dev->pnpmfr);
- if (dev->pnpmodel)
- fprintf(file,"pnpmodel: %s\n",dev->pnpmodel);
- if (dev->pnpcompat)
- fprintf(file,"pnpcompat: %s\n",dev->pnpcompat);
- if (dev->pnpdesc)
- fprintf(file,"pnpdesc: %s\n",dev->pnpdesc);
+ writeDevice(file, (struct device *) dev);
+ if (dev->pnpmfr)
+ fprintf(file,"pnpmfr: %s\n",dev->pnpmfr);
+ if (dev->pnpmodel)
+ fprintf(file,"pnpmodel: %s\n",dev->pnpmodel);
+ if (dev->pnpcompat)
+ fprintf(file,"pnpcompat: %s\n",dev->pnpcompat);
+ if (dev->pnpdesc)
+ fprintf(file,"pnpdesc: %s\n",dev->pnpdesc);
}
static int serialCompareDevice( struct serialDevice *dev1, struct serialDevice *dev2)
{
- int x;
-
- x = compareDevice((struct device *)dev1, (struct device *)dev2);
- if (x && x!=2) return x;
- if (dev1->pnpmfr && dev2->pnpmfr && strcmp(dev1->pnpmfr,dev2->pnpmfr))
- return 1;
- if ((!dev1->pnpmfr || !dev2->pnpmfr) && (dev1->pnpmfr != dev2->pnpmfr))
- return 1;
- if (dev1->pnpmodel && dev2->pnpmodel && strcmp(dev1->pnpmodel,dev2->pnpmodel))
- return 1;
- if ((!dev1->pnpmodel || !dev2->pnpmodel) && (dev1->pnpmodel != dev2->pnpmodel))
- return 1;
- if (dev1->pnpcompat && dev2->pnpcompat && strcmp(dev1->pnpcompat,dev2->pnpcompat))
- return 1;
- if ((!dev1->pnpcompat || !dev2->pnpcompat) && (dev1->pnpcompat != dev2->pnpcompat))
- return 1;
- if (dev1->pnpdesc && dev2->pnpdesc && strcmp(dev1->pnpdesc,dev2->pnpdesc))
- return 1;
- if ((!dev1->pnpdesc || !dev2->pnpdesc) && (dev1->pnpdesc != dev2->pnpdesc))
- return 1;
- return x;
+ int x;
+
+ x = compareDevice((struct device *)dev1, (struct device *)dev2);
+ if (x && x!=2) return x;
+ if (dev1->pnpmfr && dev2->pnpmfr && strcmp(dev1->pnpmfr,dev2->pnpmfr))
+ return 1;
+ if ((!dev1->pnpmfr || !dev2->pnpmfr) && (dev1->pnpmfr != dev2->pnpmfr))
+ return 1;
+ if (dev1->pnpmodel && dev2->pnpmodel && strcmp(dev1->pnpmodel,dev2->pnpmodel))
+ return 1;
+ if ((!dev1->pnpmodel || !dev2->pnpmodel) && (dev1->pnpmodel != dev2->pnpmodel))
+ return 1;
+ if (dev1->pnpcompat && dev2->pnpcompat && strcmp(dev1->pnpcompat,dev2->pnpcompat))
+ return 1;
+ if ((!dev1->pnpcompat || !dev2->pnpcompat) && (dev1->pnpcompat != dev2->pnpcompat))
+ return 1;
+ if (dev1->pnpdesc && dev2->pnpdesc && strcmp(dev1->pnpdesc,dev2->pnpdesc))
+ return 1;
+ if ((!dev1->pnpdesc || !dev2->pnpdesc) && (dev1->pnpdesc != dev2->pnpdesc))
+ return 1;
+ return x;
}
struct serialDevice * serialNewDevice(struct serialDevice *dev) {
- struct serialDevice *ret;
-
- ret = malloc(sizeof(struct serialDevice));
- memset(ret,'\0',sizeof(struct serialDevice));
- ret=(struct serialDevice *)newDevice((struct device *)dev,(struct device *)ret);
- ret->bus = BUS_SERIAL;
- ret->newDevice = serialNewDevice;
- ret->freeDevice = serialFreeDevice;
- ret->writeDevice = serialWriteDevice;
- ret->compareDevice = serialCompareDevice;
- if (dev && dev->bus == BUS_SERIAL) {
- if (dev->pnpmfr)
- ret->pnpmfr=strdup(dev->pnpmfr);
- if (dev->pnpmodel)
- ret->pnpmodel=strdup(dev->pnpmodel);
- if (dev->pnpcompat)
- ret->pnpcompat=strdup(dev->pnpcompat);
- if (dev->pnpdesc)
- ret->pnpdesc=strdup(dev->pnpdesc);
- }
- return ret;
+ struct serialDevice *ret;
+
+ ret = malloc(sizeof(struct serialDevice));
+ memset(ret,'\0',sizeof(struct serialDevice));
+ ret=(struct serialDevice *)newDevice((struct device *)dev,(struct device *)ret);
+ ret->bus = BUS_SERIAL;
+ ret->newDevice = serialNewDevice;
+ ret->freeDevice = serialFreeDevice;
+ ret->writeDevice = serialWriteDevice;
+ ret->compareDevice = serialCompareDevice;
+ if (dev && dev->bus == BUS_SERIAL) {
+ if (dev->pnpmfr)
+ ret->pnpmfr=strdup(dev->pnpmfr);
+ if (dev->pnpmodel)
+ ret->pnpmodel=strdup(dev->pnpmodel);
+ if (dev->pnpcompat)
+ ret->pnpcompat=strdup(dev->pnpcompat);
+ if (dev->pnpdesc)
+ ret->pnpdesc=strdup(dev->pnpdesc);
+ }
+ return ret;
}
/*
@@ -179,14 +179,14 @@ static int open_serial_port( char *port ) {
} else {
DEBUG("successful.\n");
}
-
+
/* reset file so it is no longer in non-blocking mode */
if (fcntl(fd, F_SETFL, 0) < 0) {
close(fd);
DEBUG("Failed to set port to non-blocking mode\n");
return -1;
}
-
+
return fd;
}
@@ -205,7 +205,7 @@ static int set_serial_lines( int fd, int modem_lines ) {
/* set serial port to 1200 baud, 'nbits' bits, 1 stop, no parity */
static int setup_serial_port( int fd, int nbits, struct termios *attr ) {
-
+
DEBUG("setting up serial port\n");
attr->c_iflag = IGNBRK | IGNPAR;
@@ -223,9 +223,9 @@ static int setup_serial_port( int fd, int nbits, struct termios *attr ) {
attr->c_cc[VTIME] = 5;
if (cfsetospeed( attr, B1200))
- return -1;
+ return -1;
if (cfsetispeed( attr, B1200))
- return -1;
+ return -1;
return tcsetattr(fd, TCSANOW, attr);
}
@@ -235,18 +235,18 @@ static int setup_serial_port( int fd, int nbits, struct termios *attr ) {
*/
static int init_port(int fd) {
- struct termios attr;
-
- if (tcgetattr(fd,&attr))
- return 1;
-
- cfsetospeed(&attr, B2400);
- cfsetispeed(&attr, B2400);
- attr.c_iflag = IXON | ICRNL;
- attr.c_cflag = CLOCAL | HUPCL | CREAD | B9600 | CS8;
- attr.c_oflag = 0;
- attr.c_lflag = 0;
- return tcsetattr(fd, TCSANOW, &attr);
+ struct termios attr;
+
+ if (tcgetattr(fd,&attr))
+ return 1;
+
+ cfsetospeed(&attr, B2400);
+ cfsetispeed(&attr, B2400);
+ attr.c_iflag = IXON | ICRNL;
+ attr.c_cflag = CLOCAL | HUPCL | CREAD | B9600 | CS8;
+ attr.c_oflag = 0;
+ attr.c_lflag = 0;
+ return tcsetattr(fd, TCSANOW, &attr);
}
@@ -265,7 +265,7 @@ static int init_pnp_com_seq1( int fd ) {
DEBUG("initializing 1st PNP sequence\n");
if (init_port(fd))
- return PNP_COM_FATAL;
+ return PNP_COM_FATAL;
modem_lines = get_serial_lines(fd);
@@ -572,11 +572,11 @@ static int read_pnp_string( int fd, unsigned char *pnp_string, int *pnp_len, int
struct timeval timo;
unsigned char buf[80];
unsigned char end_char;
-
+
DEBUG("Attempting to read PNP ID string\n");
/* see if we have any input waiting */
- pnp_index =0;
+ pnp_index = 0;
seen_start = 0;
done = 0;
end_char = 0;
@@ -588,7 +588,7 @@ static int read_pnp_string( int fd, unsigned char *pnp_string, int *pnp_len, int
temp = read( fd, buf, 1 );
if (temp < 0) {
if (errno != EAGAIN)
- return PNP_COM_FATAL;
+ return PNP_COM_FAIL;
} else {
for (counter=0; counter < temp; counter++) {
pnp_string[pnp_index++] = buf[counter];
@@ -611,8 +611,8 @@ static int read_pnp_string( int fd, unsigned char *pnp_string, int *pnp_len, int
} else
done = 1;
- /* shouldnt run more than 4 seconds */
- if (time(NULL)-starttime > 4 )
+ /* shouldnt run more than 3 seconds */
+ if (time(NULL)-starttime > 3 )
done = 1;
if (pnp_index >= pnp_stringbuf_size)
@@ -886,7 +886,7 @@ struct device *serialProbe(enum deviceClass probeClass, int probeFlags,
int console=-1;
int stdin_line=-1;
struct serial_struct si;
-
+
DEBUG("Probing for serial ports\n");
if (probeFlags & PROBE_SAFE) return devlist;
@@ -895,44 +895,44 @@ struct device *serialProbe(enum deviceClass probeClass, int probeFlags,
fstat(0,&sb);
maj = major(sb.st_rdev);
if (maj != 4 && (maj < 136 || maj > 143)) {
- if (ioctl (0, TIOCLINUX, &twelve) < 0) {
- if (ioctl (0, TIOCGSERIAL, &si) >= 0) {
- if (si.line > 0) {
- stdin_line = 1 << si.line;
- } else {
- stdin_line = 0;
- }
- } else stdin_line = 0;
- }
+ if (ioctl (0, TIOCLINUX, &twelve) < 0) {
+ if (ioctl (0, TIOCGSERIAL, &si) >= 0) {
+ if (si.line > 0) {
+ stdin_line = 1 << si.line;
+ } else {
+ stdin_line = 0;
+ }
+ } else stdin_line = 0;
+ }
}
fd=open("/dev/console",O_RDWR);
if (fd != -1) {
- fstat(fd,&sb);
- maj = major(sb.st_rdev);
- if (maj != 4 && (maj < 136 || maj > 143)) {
- if (ioctl (fd, TIOCLINUX, &twelve) < 0) {
+ fstat(fd,&sb);
+ maj = major(sb.st_rdev);
+ if (maj != 4 && (maj < 136 || maj > 143)) {
+ if (ioctl (fd, TIOCLINUX, &twelve) < 0) {
#ifdef __powerpc__
// we could have gotten an error for another reason - like EINVAL
// skipping ttyS0 on PPC - which is where most modems reside
if (errno == ENOTTY) {
#endif
- if (ioctl (fd, TIOCGSERIAL, &si) >= 0) {
- if (si.line > 0) {
- console = 1 << si.line;
- } else {
- console = 0;
- }
- } else console = 0;
+ if (ioctl (fd, TIOCGSERIAL, &si) >= 0) {
+ if (si.line > 0) {
+ console = 1 << si.line;
+ } else {
+ console = 0;
#ifdef __powerpc__
}
#endif
}
+ } else console = 0;
}
- close(fd);
+ }
+ close(fd);
}
-
-
+
+
if (
(probeClass == CLASS_UNSPEC) ||
(probeClass == CLASS_OTHER) ||
@@ -953,29 +953,31 @@ struct device *serialProbe(enum deviceClass probeClass, int probeFlags,
if (!stat(lockfile,&sbuf)) {
DEBUG("Port %s in use, skipping probe.\n",
port);
- continue;
+ continue;
}
memset(lockfile,'\0',32);
if (readlink("/dev/modem",lockfile,32)>0) {
if (!strcmp(basename(port),basename(lockfile))) {
- snprintf(lockfile,32,"/var/lock/LCK..modem");
+ snprintf(lockfile,32,"/var/lock/LCK..modem");
if (!stat(lockfile,&sbuf)) {
DEBUG("Port %s in use, skipping probe.\n",
port);
- continue;
+ continue;
+ }
}
}
- }
if ((fd=open_serial_port(port)) < 0) {
- continue;
+ continue;
}
/* save the current state of the port */
temp = tcgetattr(fd, &origattr);
if (temp < 0) {
- close(fd);
- continue;
+ DEBUG("unable to retrieve port attributes...no port present?\n");
+ close(fd);
+ continue;
}
+
/* try twiddling RS232 control lines and see if it talks to us */
devicetype=-1;
@@ -1068,54 +1070,54 @@ struct device *serialProbe(enum deviceClass probeClass, int probeFlags,
if (temp == PNP_COM_FATAL) {
goto endprobe;
} else if (temp == PNP_COM_OK) {
- if (probeClass == CLASS_UNSPEC || probeClass == CLASS_MOUSE) {
- serdev=serialNewDevice(NULL);
- serdev->type = CLASS_MOUSE;
- serdev->device = strdup(port+5);
- serdev->driver= strdup("generic");
- serdev->desc = strdup("Generic Serial Mouse");
- if (devlist)
- serdev->next = devlist;
- devlist = (struct device *)serdev;
- if (probeFlags & PROBE_ONE) {
- tcsetattr(fd, TCSANOW, &origattr);
- tcflush(fd, TCIOFLUSH);
- close(fd);
- return devlist;
- }
+ if (probeClass & CLASS_MOUSE) {
+ serdev=serialNewDevice(NULL);
+ serdev->type = CLASS_MOUSE;
+ serdev->device = strdup(port+5);
+ serdev->driver= strdup("generic");
+ serdev->desc = strdup("Generic Serial Mouse");
+ if (devlist)
+ serdev->next = devlist;
+ devlist = (struct device *)serdev;
+ if (probeFlags & PROBE_ONE) {
+ tcsetattr(fd, TCSANOW, &origattr);
+ tcflush(fd, TCIOFLUSH);
+ close(fd);
+ return devlist;
}
- goto endprobe;
+ }
+ goto endprobe;
} else {
DEBUG("Didn't see a legacy mouse.\n");
-
+
temp = find_legacy_modem(fd);
if (temp == PNP_COM_FATAL) {
- goto endprobe;
+ goto endprobe;
} else if (temp == PNP_COM_OK) {
DEBUG("Legacy modem signature seen.\n");
- if (probeClass == CLASS_UNSPEC || probeClass == CLASS_MODEM) {
- serdev=serialNewDevice(NULL);
- serdev->type = CLASS_MODEM;
- serdev->device = strdup(port+5);
- serdev->driver= strdup("ignore");
- serdev->desc = strdup("Generic Serial Modem");
- if (devlist)
- serdev->next = devlist;
- devlist = (struct device *)serdev;
- if (probeFlags & PROBE_ONE) {
- tcsetattr(fd, TCSANOW, &origattr);
- tcflush(fd, TCIOFLUSH);
- close(fd);
- return devlist;
- }
+ if (probeClass & CLASS_MODEM) {
+ serdev=serialNewDevice(NULL);
+ serdev->type = CLASS_MODEM;
+ serdev->device = strdup(port+5);
+ serdev->driver= strdup("ignore");
+ serdev->desc = strdup("Generic Serial Modem");
+ if (devlist)
+ serdev->next = devlist;
+ devlist = (struct device *)serdev;
+ if (probeFlags & PROBE_ONE) {
+ tcsetattr(fd, TCSANOW, &origattr);
+ tcflush(fd, TCIOFLUSH);
+ close(fd);
+ return devlist;
+ }
}
- goto endprobe;
+ goto endprobe;
} else {
DEBUG("Didnt see a legacy modem, game over.\n");
}
}
}
-endprobe:
+ endprobe:
DEBUG("Restoring original port attributes\n");
tcsetattr(fd, TCSANOW, &origattr);
tcflush(fd, TCIOFLUSH);
generated by cgit v1.2.1 (git 2.21.0) at 2024-11-09 22:19:54 +0000