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 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 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 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;
}