static long usblp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct usblp *usblp = file->private_data;
int length, err, i;
unsigned char newChannel;
int status;
int twoints[2];
int retval = 0;
mutex_lock (&usblp->mut);
if (!usblp->present) {
retval = -ENODEV;
goto done;
}
if (usblp->sleeping) {
retval = -ENODEV;
goto done;
}
dbg("usblp_ioctl: cmd=0x%x (%c nr=%d len=%d dir=%d)", cmd, _IOC_TYPE(cmd),
_IOC_NR(cmd), _IOC_SIZE(cmd), _IOC_DIR(cmd) );
if (_IOC_TYPE(cmd) == 'P') /* new-style ioctl number */
switch (_IOC_NR(cmd)) {
case IOCNR_GET_DEVICE_ID: /* get the DEVICE_ID string */
if (_IOC_DIR(cmd) != _IOC_READ) {
retval = -EINVAL;
goto done;
}
length = usblp_cache_device_id_string(usblp);
if (length < 0) {
retval = length;
goto done;
}
if (length > _IOC_SIZE(cmd))
length = _IOC_SIZE(cmd); /* truncate */
if (copy_to_user((void __user *) arg,
usblp->device_id_string,
(unsigned long) length)) {
retval = -EFAULT;
goto done;
}
break;
case IOCNR_GET_PROTOCOLS:
if (_IOC_DIR(cmd) != _IOC_READ ||
_IOC_SIZE(cmd) < sizeof(twoints)) {
retval = -EINVAL;
goto done;
}
twoints[0] = usblp->current_protocol;
twoints[1] = 0;
for (i = USBLP_FIRST_PROTOCOL;
i <= USBLP_LAST_PROTOCOL; i++) {
if (usblp->protocol[i].alt_setting >= 0)
twoints[1] |= (1<<i);
}
if (copy_to_user((void __user *)arg,
(unsigned char *)twoints,
sizeof(twoints))) {
retval = -EFAULT;
goto done;
}
break;
case IOCNR_SET_PROTOCOL:
if (_IOC_DIR(cmd) != _IOC_WRITE) {
retval = -EINVAL;
goto done;
}
#ifdef DEBUG
if (arg == -10) {
usblp_dump(usblp);
break;
}
#endif
usblp_unlink_urbs(usblp);
retval = usblp_set_protocol(usblp, arg);
if (retval < 0) {
usblp_set_protocol(usblp,
usblp->current_protocol);
}
break;
case IOCNR_HP_SET_CHANNEL:
if (_IOC_DIR(cmd) != _IOC_WRITE ||
le16_to_cpu(usblp->dev->descriptor.idVendor) != 0x03F0 ||
usblp->quirks & USBLP_QUIRK_BIDIR) {
retval = -EINVAL;
goto done;
}
err = usblp_hp_channel_change_request(usblp,
arg, &newChannel);
if (err < 0) {
dev_err(&usblp->dev->dev,
"usblp%d: error = %d setting "
"HP channel\n",
usblp->minor, err);
retval = -EIO;
goto done;
}
dbg("usblp%d requested/got HP channel %ld/%d",
usblp->minor, arg, newChannel);
break;
case IOCNR_GET_BUS_ADDRESS:
if (_IOC_DIR(cmd) != _IOC_READ ||
_IOC_SIZE(cmd) < sizeof(twoints)) {
retval = -EINVAL;
goto done;
}
twoints[0] = usblp->dev->bus->busnum;
twoints[1] = usblp->dev->devnum;
if (copy_to_user((void __user *)arg,
(unsigned char *)twoints,
sizeof(twoints))) {
retval = -EFAULT;
goto done;
}
dbg("usblp%d is bus=%d, device=%d",
usblp->minor, twoints[0], twoints[1]);
break;
case IOCNR_GET_VID_PID:
if (_IOC_DIR(cmd) != _IOC_READ ||
_IOC_SIZE(cmd) < sizeof(twoints)) {
retval = -EINVAL;
goto done;
}
twoints[0] = le16_to_cpu(usblp->dev->descriptor.idVendor);
twoints[1] = le16_to_cpu(usblp->dev->descriptor.idProduct);
if (copy_to_user((void __user *)arg,
(unsigned char *)twoints,
sizeof(twoints))) {
retval = -EFAULT;
goto done;
}
dbg("usblp%d is VID=0x%4.4X, PID=0x%4.4X",
usblp->minor, twoints[0], twoints[1]);
break;
case IOCNR_SOFT_RESET:
if (_IOC_DIR(cmd) != _IOC_NONE) {
retval = -EINVAL;
goto done;
}
retval = usblp_reset(usblp);
break;
default:
retval = -ENOTTY;
}
else /* old-style ioctl value */
switch (cmd) {
case LPGETSTATUS:
if ((retval = usblp_read_status(usblp, usblp->statusbuf))) {
if (printk_ratelimit())
printk(KERN_ERR "usblp%d:"
"failed reading printer status (%d)\n",
usblp->minor, retval);
retval = -EIO;
goto done;
}
status = *usblp->statusbuf;
if (copy_to_user ((void __user *)arg, &status, sizeof(int)))
retval = -EFAULT;
break;
case LPABORT:
if (arg)
usblp->flags |= LP_ABORT;
else
usblp->flags &= ~LP_ABORT;
break;
default:
retval = -ENOTTY;
}
done:
mutex_unlock (&usblp->mut);
return retval;
}
static long usblp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct usblp *usblp = file->private_data;
struct print_buffer user_buf_tmp, *user_buf; // Added by PaN
char *strtmp, *str_dev_id; // Added by PaN: JYWeng 20031212: modified from the above
int unk=0; // Added by PaN ---remove declaration of i for i is declared below: JY
int length, err, i;
unsigned char newChannel;
int status;
int twoints[2];
int retval = 0;
mutex_lock(&usblp->mut);
if (!usblp->present) {
retval = -ENODEV;
goto done;
}
dbg("usblp_ioctl: cmd=0x%x (%c nr=%d len=%d dir=%d)", cmd, _IOC_TYPE(cmd),
_IOC_NR(cmd), _IOC_SIZE(cmd), _IOC_DIR(cmd));
if (_IOC_TYPE(cmd) == 'P') /* new-style ioctl number */
switch (_IOC_NR(cmd)) {
case IOCNR_GET_DEVICE_ID: /* get the DEVICE_ID string */
if (_IOC_DIR(cmd) != _IOC_READ) {
retval = -EINVAL;
goto done;
}
length = usblp_cache_device_id_string(usblp);
if (length < 0) {
retval = length;
goto done;
}
if (length > _IOC_SIZE(cmd))
length = _IOC_SIZE(cmd); /* truncate */
if (copy_to_user((void __user *) arg,
usblp->device_id_string,
(unsigned long) length)) {
retval = -EFAULT;
goto done;
}
break;
case IOCNR_GET_PROTOCOLS:
if (_IOC_DIR(cmd) != _IOC_READ ||
_IOC_SIZE(cmd) < sizeof(twoints)) {
retval = -EINVAL;
goto done;
}
twoints[0] = usblp->current_protocol;
twoints[1] = 0;
for (i = USBLP_FIRST_PROTOCOL;
i <= USBLP_LAST_PROTOCOL; i++) {
if (usblp->protocol[i].alt_setting >= 0)
twoints[1] |= (1<<i);
}
if (copy_to_user((void __user *)arg,
(unsigned char *)twoints,
sizeof(twoints))) {
retval = -EFAULT;
goto done;
}
break;
case IOCNR_SET_PROTOCOL:
if (_IOC_DIR(cmd) != _IOC_WRITE) {
retval = -EINVAL;
goto done;
}
#ifdef DEBUG
if (arg == -10) {
usblp_dump(usblp);
break;
}
#endif
usblp_unlink_urbs(usblp);
retval = usblp_set_protocol(usblp, arg);
if (retval < 0) {
usblp_set_protocol(usblp,
usblp->current_protocol);
}
break;
case IOCNR_HP_SET_CHANNEL:
if (_IOC_DIR(cmd) != _IOC_WRITE ||
le16_to_cpu(usblp->dev->descriptor.idVendor) != 0x03F0 ||
usblp->quirks & USBLP_QUIRK_BIDIR) {
retval = -EINVAL;
goto done;
}
err = usblp_hp_channel_change_request(usblp,
arg, &newChannel);
if (err < 0) {
dev_err(&usblp->dev->dev,
"usblp%d: error = %d setting "
"HP channel\n",
usblp->minor, err);
retval = -EIO;
goto done;
}
dbg("usblp%d requested/got HP channel %ld/%d",
usblp->minor, arg, newChannel);
break;
case IOCNR_GET_BUS_ADDRESS:
if (_IOC_DIR(cmd) != _IOC_READ ||
_IOC_SIZE(cmd) < sizeof(twoints)) {
retval = -EINVAL;
goto done;
}
twoints[0] = usblp->dev->bus->busnum;
twoints[1] = usblp->dev->devnum;
if (copy_to_user((void __user *)arg,
(unsigned char *)twoints,
sizeof(twoints))) {
retval = -EFAULT;
goto done;
}
dbg("usblp%d is bus=%d, device=%d",
usblp->minor, twoints[0], twoints[1]);
break;
case IOCNR_GET_VID_PID:
if (_IOC_DIR(cmd) != _IOC_READ ||
_IOC_SIZE(cmd) < sizeof(twoints)) {
retval = -EINVAL;
goto done;
}
twoints[0] = le16_to_cpu(usblp->dev->descriptor.idVendor);
twoints[1] = le16_to_cpu(usblp->dev->descriptor.idProduct);
if (copy_to_user((void __user *)arg,
(unsigned char *)twoints,
sizeof(twoints))) {
retval = -EFAULT;
goto done;
}
dbg("usblp%d is VID=0x%4.4X, PID=0x%4.4X",
usblp->minor, twoints[0], twoints[1]);
break;
case IOCNR_SOFT_RESET:
if (_IOC_DIR(cmd) != _IOC_NONE) {
retval = -EINVAL;
goto done;
}
retval = usblp_reset(usblp);
break;
default:
retval = -ENOTTY;
}
else /* old-style ioctl value */
switch (cmd) {
/*=================================================================================== PaN */
case LPGETID: /* get the DEVICE_ID string */
err = usblp_get_id(usblp, 0, usblp->device_id_string, USBLP_DEVICE_ID_SIZE - 1);
if (err < 0) {
dbg ("usblp%d: error = %d reading IEEE-1284 Device ID string",
usblp->minor, err);
usblp->device_id_string[0] = usblp->device_id_string[1] = '\0';
retval = -EIO;
goto done;
}
length = (usblp->device_id_string[0] << 8) + usblp->device_id_string[1]; /* big-endian */
if (length < USBLP_DEVICE_ID_SIZE)
usblp->device_id_string[length] = '\0';
else
usblp->device_id_string[USBLP_DEVICE_ID_SIZE - 1] = '\0';
dbg ("usblp%d Device ID string [%d/max %d]='%s'",
usblp->minor, length, cmd, &usblp->device_id_string[2]);
str_dev_id = &usblp->device_id_string[2];
#if 1//JYWeng 20031212: modified from below
parseKeywords(str_dev_id, "MFG:", "MANUFACTURE:", prn_info->mfr, usblpid_info.mfr);
parseKeywords(str_dev_id, "MDL:", "MODEL:", prn_info->model, usblpid_info.model);
parseKeywords(str_dev_id, "CLS:", "CLASS:", prn_info->class_name, usblpid_info.class_name);
parseKeywords(str_dev_id, "DES:", "DESCRIPTION:", prn_info->description, usblpid_info.description);
#endif//JYWeng 20031212: end
dbg ("Parsing USBLPID...");
if (copy_to_user((unsigned char *) arg,
prn_info, (unsigned long) length)) {
retval = -EFAULT;
goto done;
}
break;
case LPREADDATA:
mutex_unlock (&usblp_mutex);
user_buf = (struct print_buffer *)arg;
retval = usblp_read(file, user_buf->buf, user_buf->len, NULL);
mutex_lock (&usblp_mutex);
break;
case LPWRITEDATA:
mutex_unlock (&usblp_mutex);
user_buf = (struct print_buffer *)arg;
retval = usblp_write(file, user_buf->buf, user_buf->len, NULL);
mutex_lock (&usblp_mutex);
break;
case LPRESET:
usblp_reset(usblp);
break;
case LPGETSTATUS:
/* OLD USB Code Removed by PaN for Printer Server
if ((retval = usblp_read_status(usblp, usblp->statusbuf))) {
if (printk_ratelimit())
printk(KERN_ERR "usblp%d:"
"failed reading printer status (%d)\n",
usblp->minor, retval);
retval = -EIO;
goto done;
}
status = *usblp->statusbuf;
*/
status = 0;
if (copy_to_user((void __user *)arg, &status, sizeof(int)))
retval = -EFAULT;
break;
/*=================================================================== PaN for Printer Server */
case LPABORT:
if (arg)
usblp->flags |= LP_ABORT;
else
usblp->flags &= ~LP_ABORT;
break;
default:
retval = -ENOTTY;
}
done:
mutex_unlock(&usblp->mut);
return retval;
}
static void *usblp_probe(struct usb_device *dev, unsigned int ifnum,
const struct usb_device_id *id)
{
struct usblp *usblp = 0;
int protocol;
char name[6];
/* Malloc and start initializing usblp structure so we can use it
* directly. */
if (!(usblp = kmalloc(sizeof(struct usblp), GFP_KERNEL))) {
err("out of memory for usblp");
goto abort;
}
memset(usblp, 0, sizeof(struct usblp));
usblp->dev = dev;
init_MUTEX (&usblp->sem);
init_waitqueue_head(&usblp->wait);
usblp->ifnum = ifnum;
/* Look for a free usblp_table entry. */
while (usblp_table[usblp->minor]) {
usblp->minor++;
if (usblp->minor >= USBLP_MINORS) {
err("no more free usblp devices");
goto abort;
}
}
usblp->writeurb = usb_alloc_urb(0);
if (!usblp->writeurb) {
err("out of memory");
goto abort;
}
usblp->readurb = usb_alloc_urb(0);
if (!usblp->readurb) {
err("out of memory");
goto abort;
}
/* Malloc device ID string buffer to the largest expected length,
* since we can re-query it on an ioctl and a dynamic string
* could change in length. */
if (!(usblp->device_id_string = kmalloc(USBLP_DEVICE_ID_SIZE, GFP_KERNEL))) {
err("out of memory for device_id_string");
goto abort;
}
usblp->writebuf = usblp->readbuf = NULL;
/* Malloc write & read buffers. We somewhat wastefully
* malloc both regardless of bidirectionality, because the
* alternate setting can be changed later via an ioctl. */
if (!(usblp->writebuf = kmalloc(USBLP_BUF_SIZE, GFP_KERNEL))) {
err("out of memory for write buf");
goto abort;
}
if (!(usblp->readbuf = kmalloc(USBLP_BUF_SIZE, GFP_KERNEL))) {
err("out of memory for read buf");
goto abort;
}
/* Allocate buffer for printer status */
usblp->statusbuf = kmalloc(STATUS_BUF_SIZE, GFP_KERNEL);
if (!usblp->statusbuf) {
err("out of memory for statusbuf");
goto abort;
}
/* Lookup quirks for this printer. */
usblp->quirks = usblp_quirks(
dev->descriptor.idVendor,
dev->descriptor.idProduct);
/* Analyze and pick initial alternate settings and endpoints. */
protocol = usblp_select_alts(usblp);
if (protocol < 0) {
dbg("incompatible printer-class device 0x%4.4X/0x%4.4X",
dev->descriptor.idVendor,
dev->descriptor.idProduct);
goto abort;
}
/* Setup the selected alternate setting and endpoints. */
if (usblp_set_protocol(usblp, protocol) < 0)
goto abort;
/* Retrieve and store the device ID string. */
usblp_cache_device_id_string(usblp);
#ifdef DEBUG
usblp_check_status(usblp, 0);
#endif
usblp_table[usblp->minor] = usblp;
/* If we have devfs, create with perms=660. */
sprintf(name, "lp%d", usblp->minor);
usblp->devfs = devfs_register(usb_devfs_handle, name,
DEVFS_FL_DEFAULT, USB_MAJOR,
USBLP_MINOR_BASE + usblp->minor,
S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP |
S_IWGRP, &usblp_fops, NULL);
info("usblp%d: USB %sdirectional printer dev %d "
"if %d alt %d proto %d vid 0x%4.4X pid 0x%4.4X",
usblp->minor, usblp->bidir ? "Bi" : "Uni", dev->devnum,
usblp->ifnum,
usblp->protocol[usblp->current_protocol].alt_setting,
usblp->current_protocol, usblp->dev->descriptor.idVendor,
usblp->dev->descriptor.idProduct);
usblp->present = 1;
return usblp;
abort:
if (usblp) {
if (usblp->writebuf)
kfree (usblp->writebuf);
if (usblp->readbuf)
kfree (usblp->readbuf);
kfree(usblp->statusbuf);
kfree(usblp->device_id_string);
usb_free_urb(usblp->writeurb);
usb_free_urb(usblp->readurb);
kfree(usblp);
}
return NULL;
}
static int usblp_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
{
struct usblp *usblp = file->private_data;
struct parport_splink_device_info prn_info_tmp, *prn_info; // Added by PaN
struct print_buffer user_buf_tmp, *user_buf; // Added by PaN
char *strtmp, *str_dev_id, *strunknown="unknown"; // Added by PaN
//int i, unk=0; // Added by PaN
int unk=0; // Added by PaN ---remove declaration of i for i is declared below: JY
int length, err, i;
unsigned char lpstatus, newChannel;
int status;
int twoints[2];
int retval = 0;
prn_info= &prn_info_tmp; // Added by PaN
down (&usblp->sem);
if (!usblp->dev) {
retval = -ENODEV;
goto done;
}
if (_IOC_TYPE(cmd) == 'P') /* new-style ioctl number */
switch (_IOC_NR(cmd)) {
case IOCNR_GET_DEVICE_ID: /* get the DEVICE_ID string */
if (_IOC_DIR(cmd) != _IOC_READ) {
retval = -EINVAL;
goto done;
}
length = usblp_cache_device_id_string(usblp);
if (length < 0) {
retval = length;
goto done;
}
if (length > _IOC_SIZE(cmd))
length = _IOC_SIZE(cmd); /* truncate */
if (copy_to_user((unsigned char *) arg,
usblp->device_id_string,
(unsigned long) length)) {
retval = -EFAULT;
goto done;
}
break;
case IOCNR_GET_PROTOCOLS:
if (_IOC_DIR(cmd) != _IOC_READ ||
_IOC_SIZE(cmd) < sizeof(twoints)) {
retval = -EINVAL;
goto done;
}
twoints[0] = usblp->current_protocol;
twoints[1] = 0;
for (i = USBLP_FIRST_PROTOCOL;
i <= USBLP_LAST_PROTOCOL; i++) {
if (usblp->protocol[i].alt_setting >= 0)
twoints[1] |= (1<<i);
}
if (copy_to_user((unsigned char *)arg,
(unsigned char *)twoints,
sizeof(twoints))) {
retval = -EFAULT;
goto done;
}
break;
case IOCNR_SET_PROTOCOL:
if (_IOC_DIR(cmd) != _IOC_WRITE) {
retval = -EINVAL;
goto done;
}
#ifdef DEBUG
if (arg == -10) {
usblp_dump(usblp);
break;
}
#endif
usblp_unlink_urbs(usblp);
retval = usblp_set_protocol(usblp, arg);
if (retval < 0) {
usblp_set_protocol(usblp,
usblp->current_protocol);
}
break;
case IOCNR_HP_SET_CHANNEL:
if (_IOC_DIR(cmd) != _IOC_WRITE ||
usblp->dev->descriptor.idVendor != 0x03F0 ||
usblp->quirks & USBLP_QUIRK_BIDIR) {
retval = -EINVAL;
goto done;
}
err = usblp_hp_channel_change_request(usblp,
arg, &newChannel);
if (err < 0) {
err("usblp%d: error = %d setting "
"HP channel",
usblp->minor, err);
retval = -EIO;
goto done;
}
dbg("usblp%d requested/got HP channel %ld/%d",
usblp->minor, arg, newChannel);
break;
case IOCNR_GET_BUS_ADDRESS:
if (_IOC_DIR(cmd) != _IOC_READ ||
_IOC_SIZE(cmd) < sizeof(twoints)) {
retval = -EINVAL;
goto done;
}
twoints[0] = usblp->dev->bus->busnum;
twoints[1] = usblp->dev->devnum;
if (copy_to_user((unsigned char *)arg,
(unsigned char *)twoints,
sizeof(twoints))) {
retval = -EFAULT;
goto done;
}
dbg("usblp%d is bus=%d, device=%d",
usblp->minor, twoints[0], twoints[1]);
break;
case IOCNR_GET_VID_PID:
if (_IOC_DIR(cmd) != _IOC_READ ||
_IOC_SIZE(cmd) < sizeof(twoints)) {
retval = -EINVAL;
goto done;
}
twoints[0] = usblp->dev->descriptor.idVendor;
twoints[1] = usblp->dev->descriptor.idProduct;
if (copy_to_user((unsigned char *)arg,
(unsigned char *)twoints,
sizeof(twoints))) {
retval = -EFAULT;
goto done;
}
dbg("usblp%d is VID=0x%4.4X, PID=0x%4.4X",
usblp->minor, twoints[0], twoints[1]);
break;
default:
retval = -EINVAL;
}
else /* old-style ioctl value */
switch (cmd) {
/*=================================================================================== PaN */
case LPGETID: /* get the DEVICE_ID string */
err = usblp_get_id(usblp, 0, usblp->device_id_string, DEVICE_ID_SIZE - 1);
if (err < 0) {
dbg ("usblp%d: error = %d reading IEEE-1284 Device ID string",
usblp->minor, err);
usblp->device_id_string[0] = usblp->device_id_string[1] = '\0';
retval = -EIO;
goto done;
}
length = (usblp->device_id_string[0] << 8) + usblp->device_id_string[1]; /* big-endian */
if (length < DEVICE_ID_SIZE)
usblp->device_id_string[length] = '\0';
else
usblp->device_id_string[DEVICE_ID_SIZE - 1] = '\0';
dbg ("usblp%d Device ID string [%d/max %d]='%s'",
usblp->minor, length, cmd, &usblp->device_id_string[2]);
info ("usblp%d Device ID string [%d/max %d]='%s'",
usblp->minor, length, cmd, &usblp->device_id_string[2]);
str_dev_id = &usblp->device_id_string[2];
if ( (strtmp = strstr(str_dev_id, "MFG:")) == NULL) {
if ( (strtmp = strstr(str_dev_id, "MANUFACTURE:")) == NULL) {
for (i=0; i<7; i++) {
prn_info->mfr[i]= strunknown[i];
usblpid_info.mfr[i] = strunknown[i];
}
prn_info->mfr[i]= '\0';
usblpid_info.mfr[i]='\0';
unk=1;
}
else
strtmp+=12;
}
else
strtmp+=4;
i=0;
while (strtmp[i] != ';' && unk==0) {
prn_info->mfr[i]= strtmp[i];
usblpid_info.mfr[i] = strtmp[i];
i++;
}
prn_info->mfr[i]= '\0';
usblpid_info.mfr[i]='\0';
unk=0;
if ( (strtmp = strstr(str_dev_id, "MDL:")) == NULL) {
if ( (strtmp = strstr(str_dev_id, "MODEL:")) == NULL) {
for (i=0; i<7; i++) {
prn_info->model[i]= strunknown[i];
usblpid_info.model[i] = strunknown[i];
}
prn_info->model[i]= '\0';
usblpid_info.model[i]='\0';
unk=1;
}
else
strtmp+=6;
}
else
strtmp+=4;
i=0;
while (strtmp[i] != ';' && unk==0) {
prn_info->model[i]= strtmp[i];
usblpid_info.model[i] = strtmp[i];
i++;
}
prn_info->model[i]= '\0';
usblpid_info.model[i]='\0';
unk=0;
if ( (strtmp = strstr(str_dev_id, "CLS:")) == NULL) {
if ( (strtmp = strstr(str_dev_id, "CLASS:")) == NULL) {
for (i=0; i<7; i++) {
prn_info->class_name[i]= strunknown[i];
usblpid_info.class_name[i] = strunknown[i];
}
prn_info->class_name[i]= '\0';
usblpid_info.class_name[i]='\0';
unk=1;
}
else
strtmp+=6;
}
else
strtmp+=4;
i=0;
while (strtmp[i] != ';' && unk==0) {
prn_info->class_name[i]= strtmp[i];
usblpid_info.class_name[i]= strtmp[i];
i++;
}
prn_info->class_name[i]= '\0';
usblpid_info.class_name[i]='\0';
unk=0;
if ( (strtmp = strstr(str_dev_id, "DES:")) == NULL) {
if ( (strtmp = strstr(str_dev_id, "DESCRIPTION:")) == NULL) {
for (i=0; i<7; i++) {
prn_info->description[i]= strunknown[i];
usblpid_info.description[i] = strunknown[i];
}
prn_info->description[i]= '\0';
usblpid_info.description[i]='\0';
unk=1;
}
else
strtmp+=12;
}
else
strtmp+=4;
i=0;
while (strtmp[i] != ';' && unk==0) {
prn_info->description[i]= strtmp[i];
usblpid_info.description[i]= strtmp[i];
i++;
}
prn_info->description[i]= '\0';
usblpid_info.description[i]='\0';
info("Parsing USBLPID...");
if (copy_to_user((unsigned char *) arg,
prn_info, (unsigned long) length)) {
retval = -EFAULT;
goto done;
}
break;
case LPREADDATA:
up (&usblp->sem);
user_buf = (struct print_buffer *)arg;
retval = usblp_read(file, user_buf->buf, user_buf->len, NULL);
down (&usblp->sem);
break;
case LPWRITEDATA:
up (&usblp->sem);
user_buf = (struct print_buffer *)arg;
retval = usblp_write(file, user_buf->buf, user_buf->len, NULL);
down (&usblp->sem);
break;
case LPRESET:
usblp_reset(usblp);
break;
case LPGETSTATUS:
/* OLD USB Code Removed by PaN for Printer Server
if (usblp_read_status(usblp, &status)) {
err("usblp%d: failed reading printer status", usblp->minor);
retval = -EIO;
goto done;
}
if (copy_to_user ((int *)arg, &status, 2))
retval = -EFAULT;
*/
status = usblp_check_status(usblp, 0);
#if 0
info("start=%s", usblpid_info.mfr);
for (i=0; i< MAX_STATUS_TYPE; i++) {
info("compare=%s", usblp_status_type[i]);
if ( !( strcmp(usblpid_info.mfr, usblp_status_type[i]) ) )
break;
}
info("%d=%s", i, usblp_status_type[i]);
status=usblp_status_maping[i][status];
info("STATUS=%x", status);
#endif
status=0;
if (copy_to_user ((int *)arg, &status, 2))
retval = -EFAULT;
break;
/*=================================================================== PaN for Printer Server */
/* Marked by JY 20031118*/
#if 0
case LPGETSTATUS:
if (usblp_read_status(usblp, &lpstatus)) {
err("usblp%d: failed reading printer status", usblp->minor);
retval = -EIO;
goto done;
}
status = lpstatus;
if (copy_to_user ((int *)arg, &status, sizeof(int)))
retval = -EFAULT;
break;
#endif
/* Marked by JY 20031118*/
default:
retval = -EINVAL;
}
done:
up (&usblp->sem);
return retval;
}
static int usblp_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
{
struct usblp *usblp = file->private_data;
int length, err, i;
unsigned char lpstatus, newChannel;
int status;
int twoints[2];
int retval = 0;
down (&usblp->sem);
if (!usblp->dev) {
retval = -ENODEV;
goto done;
}
if (_IOC_TYPE(cmd) == 'P') /* new-style ioctl number */
switch (_IOC_NR(cmd)) {
case IOCNR_GET_DEVICE_ID: /* get the DEVICE_ID string */
if (_IOC_DIR(cmd) != _IOC_READ) {
retval = -EINVAL;
goto done;
}
length = usblp_cache_device_id_string(usblp);
if (length < 0) {
retval = length;
goto done;
}
if (length > _IOC_SIZE(cmd))
length = _IOC_SIZE(cmd); /* truncate */
if (copy_to_user((unsigned char *) arg,
usblp->device_id_string,
(unsigned long) length)) {
retval = -EFAULT;
goto done;
}
break;
case IOCNR_GET_PROTOCOLS:
if (_IOC_DIR(cmd) != _IOC_READ ||
_IOC_SIZE(cmd) < sizeof(twoints)) {
retval = -EINVAL;
goto done;
}
twoints[0] = usblp->current_protocol;
twoints[1] = 0;
for (i = USBLP_FIRST_PROTOCOL;
i <= USBLP_LAST_PROTOCOL; i++) {
if (usblp->protocol[i].alt_setting >= 0)
twoints[1] |= (1<<i);
}
if (copy_to_user((unsigned char *)arg,
(unsigned char *)twoints,
sizeof(twoints))) {
retval = -EFAULT;
goto done;
}
break;
case IOCNR_SET_PROTOCOL:
if (_IOC_DIR(cmd) != _IOC_WRITE) {
retval = -EINVAL;
goto done;
}
#ifdef DEBUG
if (arg == -10) {
usblp_dump(usblp);
break;
}
#endif
usblp_unlink_urbs(usblp);
retval = usblp_set_protocol(usblp, arg);
if (retval < 0) {
usblp_set_protocol(usblp,
usblp->current_protocol);
}
break;
case IOCNR_HP_SET_CHANNEL:
if (_IOC_DIR(cmd) != _IOC_WRITE ||
usblp->dev->descriptor.idVendor != 0x03F0 ||
usblp->quirks & USBLP_QUIRK_BIDIR) {
retval = -EINVAL;
goto done;
}
err = usblp_hp_channel_change_request(usblp,
arg, &newChannel);
if (err < 0) {
err("usblp%d: error = %d setting "
"HP channel",
usblp->minor, err);
retval = -EIO;
goto done;
}
dbg("usblp%d requested/got HP channel %ld/%d",
usblp->minor, arg, newChannel);
break;
case IOCNR_GET_BUS_ADDRESS:
if (_IOC_DIR(cmd) != _IOC_READ ||
_IOC_SIZE(cmd) < sizeof(twoints)) {
retval = -EINVAL;
goto done;
}
twoints[0] = usblp->dev->bus->busnum;
twoints[1] = usblp->dev->devnum;
if (copy_to_user((unsigned char *)arg,
(unsigned char *)twoints,
sizeof(twoints))) {
retval = -EFAULT;
goto done;
}
dbg("usblp%d is bus=%d, device=%d",
usblp->minor, twoints[0], twoints[1]);
break;
case IOCNR_GET_VID_PID:
if (_IOC_DIR(cmd) != _IOC_READ ||
_IOC_SIZE(cmd) < sizeof(twoints)) {
retval = -EINVAL;
goto done;
}
twoints[0] = usblp->dev->descriptor.idVendor;
twoints[1] = usblp->dev->descriptor.idProduct;
if (copy_to_user((unsigned char *)arg,
(unsigned char *)twoints,
sizeof(twoints))) {
retval = -EFAULT;
goto done;
}
dbg("usblp%d is VID=0x%4.4X, PID=0x%4.4X",
usblp->minor, twoints[0], twoints[1]);
break;
default:
retval = -EINVAL;
}
else /* old-style ioctl value */
switch (cmd) {
case LPGETSTATUS:
if (usblp_read_status(usblp, &lpstatus)) {
err("usblp%d: failed reading printer status", usblp->minor);
retval = -EIO;
goto done;
}
status = lpstatus;
if (copy_to_user ((int *)arg, &status, sizeof(int)))
retval = -EFAULT;
break;
default:
retval = -EINVAL;
}
done:
up (&usblp->sem);
return retval;
}
static int usblp_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_device *dev = interface_to_usbdev(intf);
struct usblp *usblp;
int protocol;
int retval;
/* Malloc and start initializing usblp structure so we can use it
* directly. */
usblp = kzalloc(sizeof(struct usblp), GFP_KERNEL);
if (!usblp) {
retval = -ENOMEM;
goto abort_ret;
}
usblp->dev = dev;
mutex_init(&usblp->wmut);
mutex_init(&usblp->mut);
spin_lock_init(&usblp->lock);
init_waitqueue_head(&usblp->rwait);
init_waitqueue_head(&usblp->wwait);
init_usb_anchor(&usblp->urbs);
usblp->ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
usblp->intf = intf;
/* Malloc device ID string buffer to the largest expected length,
* since we can re-query it on an ioctl and a dynamic string
* could change in length. */
if (!(usblp->device_id_string = kmalloc(USBLP_DEVICE_ID_SIZE, GFP_KERNEL))) {
retval = -ENOMEM;
goto abort;
}
/*
* Allocate read buffer. We somewhat wastefully
* malloc both regardless of bidirectionality, because the
* alternate setting can be changed later via an ioctl.
*/
if (!(usblp->readbuf = kmalloc(USBLP_BUF_SIZE_IN, GFP_KERNEL))) {
retval = -ENOMEM;
goto abort;
}
/* Allocate buffer for printer status */
usblp->statusbuf = kmalloc(STATUS_BUF_SIZE, GFP_KERNEL);
if (!usblp->statusbuf) {
retval = -ENOMEM;
goto abort;
}
/* Lookup quirks for this printer. */
usblp->quirks = usblp_quirks(
le16_to_cpu(dev->descriptor.idVendor),
le16_to_cpu(dev->descriptor.idProduct));
/* Analyze and pick initial alternate settings and endpoints. */
protocol = usblp_select_alts(usblp);
if (protocol < 0) {
dbg("incompatible printer-class device 0x%4.4X/0x%4.4X",
le16_to_cpu(dev->descriptor.idVendor),
le16_to_cpu(dev->descriptor.idProduct));
retval = -ENODEV;
goto abort;
}
/* Setup the selected alternate setting and endpoints. */
if (usblp_set_protocol(usblp, protocol) < 0) {
retval = -ENODEV; /* ->probe isn't ->ioctl */
goto abort;
}
/* Retrieve and store the device ID string. */
usblp_cache_device_id_string(usblp);
retval = device_create_file(&intf->dev, &dev_attr_ieee1284_id);
if (retval)
goto abort_intfdata;
#ifdef DEBUG
usblp_check_status(usblp, 0);
#endif
usb_set_intfdata(intf, usblp);
usblp->present = 1;
retval = usb_register_dev(intf, &usblp_class);
if (retval) {
printk(KERN_ERR "usblp: Not able to get a minor"
" (base %u, slice default): %d\n",
USBLP_MINOR_BASE, retval);
goto abort_intfdata;
}
usblp->minor = intf->minor;
printk(KERN_INFO "usblp%d: USB %sdirectional printer dev %d "
"if %d alt %d proto %d vid 0x%4.4X pid 0x%4.4X\n",
usblp->minor, usblp->bidir ? "Bi" : "Uni", dev->devnum,
usblp->ifnum,
usblp->protocol[usblp->current_protocol].alt_setting,
usblp->current_protocol,
le16_to_cpu(usblp->dev->descriptor.idVendor),
le16_to_cpu(usblp->dev->descriptor.idProduct));
/* Added by PaN */
/* create directory */
if(pan_count < 0)
pan_count = 0;
++pan_count;
if(pan_count == 1)
{
usblp_dir = proc_mkdir(MODULE_NAME, NULL);
if(usblp_dir == NULL) {
goto outpan;
}
//usblp_dir->owner = THIS_MODULE;
usblpid_file = create_proc_read_entry("usblpid", 0444, usblp_dir, proc_read_usblpid, NULL);
if(usblpid_file == NULL) {
remove_proc_entry(MODULE_NAME, NULL);
goto outpan;
}
//usblpid_file->owner = THIS_MODULE;
/* get device id */
if (proc_get_usblpid(usblp) < 0)
dbg ("proc:get usblpid error!!");
}
outpan:
// End PaN
return 0;
abort_intfdata:
usb_set_intfdata(intf, NULL);
device_remove_file(&intf->dev, &dev_attr_ieee1284_id);
abort:
kfree(usblp->readbuf);
kfree(usblp->statusbuf);
kfree(usblp->device_id_string);
kfree(usblp);
abort_ret:
return retval;
}
static int usblp_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_device *dev = interface_to_usbdev (intf);
struct usblp *usblp = NULL;
int protocol;
int retval;
/* Malloc and start initializing usblp structure so we can use it
* directly. */
if (!(usblp = kzalloc(sizeof(struct usblp), GFP_KERNEL))) {
err("out of memory for usblp");
goto abort;
}
usblp->dev = dev;
init_MUTEX (&usblp->sem);
init_waitqueue_head(&usblp->wait);
usblp->ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
usblp->intf = intf;
usblp->writeurb = usb_alloc_urb(0, GFP_KERNEL);
if (!usblp->writeurb) {
err("out of memory");
goto abort;
}
usblp->readurb = usb_alloc_urb(0, GFP_KERNEL);
if (!usblp->readurb) {
err("out of memory");
goto abort;
}
/* Malloc device ID string buffer to the largest expected length,
* since we can re-query it on an ioctl and a dynamic string
* could change in length. */
if (!(usblp->device_id_string = kmalloc(USBLP_DEVICE_ID_SIZE, GFP_KERNEL))) {
err("out of memory for device_id_string");
goto abort;
}
usblp->writebuf = usblp->readbuf = NULL;
usblp->writeurb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
usblp->readurb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;
/* Malloc write & read buffers. We somewhat wastefully
* malloc both regardless of bidirectionality, because the
* alternate setting can be changed later via an ioctl. */
if (!(usblp->writebuf = usb_buffer_alloc(dev, USBLP_BUF_SIZE,
GFP_KERNEL, &usblp->writeurb->transfer_dma))) {
err("out of memory for write buf");
goto abort;
}
if (!(usblp->readbuf = usb_buffer_alloc(dev, USBLP_BUF_SIZE,
GFP_KERNEL, &usblp->readurb->transfer_dma))) {
err("out of memory for read buf");
goto abort;
}
/* Allocate buffer for printer status */
usblp->statusbuf = kmalloc(STATUS_BUF_SIZE, GFP_KERNEL);
if (!usblp->statusbuf) {
err("out of memory for statusbuf");
goto abort;
}
/* Lookup quirks for this printer. */
usblp->quirks = usblp_quirks(
le16_to_cpu(dev->descriptor.idVendor),
le16_to_cpu(dev->descriptor.idProduct));
/* Analyze and pick initial alternate settings and endpoints. */
protocol = usblp_select_alts(usblp);
if (protocol < 0) {
dbg("incompatible printer-class device 0x%4.4X/0x%4.4X",
le16_to_cpu(dev->descriptor.idVendor),
le16_to_cpu(dev->descriptor.idProduct));
goto abort;
}
/* Setup the selected alternate setting and endpoints. */
if (usblp_set_protocol(usblp, protocol) < 0)
goto abort;
/* Retrieve and store the device ID string. */
usblp_cache_device_id_string(usblp);
device_create_file(&intf->dev, &dev_attr_ieee1284_id);
#ifdef DEBUG
usblp_check_status(usblp, 0);
#endif
usb_set_intfdata (intf, usblp);
usblp->present = 1;
retval = usb_register_dev(intf, &usblp_class);
if (retval) {
err("Not able to get a minor for this device.");
goto abort_intfdata;
}
usblp->minor = intf->minor;
info("usblp%d: USB %sdirectional printer dev %d "
"if %d alt %d proto %d vid 0x%4.4X pid 0x%4.4X",
usblp->minor, usblp->bidir ? "Bi" : "Uni", dev->devnum,
usblp->ifnum,
usblp->protocol[usblp->current_protocol].alt_setting,
usblp->current_protocol,
le16_to_cpu(usblp->dev->descriptor.idVendor),
le16_to_cpu(usblp->dev->descriptor.idProduct));
return 0;
abort_intfdata:
usb_set_intfdata (intf, NULL);
device_remove_file(&intf->dev, &dev_attr_ieee1284_id);
abort:
if (usblp) {
if (usblp->writebuf)
usb_buffer_free (usblp->dev, USBLP_BUF_SIZE,
usblp->writebuf, usblp->writeurb->transfer_dma);
if (usblp->readbuf)
usb_buffer_free (usblp->dev, USBLP_BUF_SIZE,
usblp->readbuf, usblp->writeurb->transfer_dma);
kfree(usblp->statusbuf);
kfree(usblp->device_id_string);
usb_free_urb(usblp->writeurb);
usb_free_urb(usblp->readurb);
kfree(usblp);
}
return -EIO;
}