-/*
- * dmxdev.c - DVB demultiplexer device
+/*
+ * dmxdev.c - DVB demultiplexer device
*
* Copyright (C) 2000 Ralph Metzler <ralph@convergence.de>
* & Marcus Metzler <marcus@convergence.de>
return (struct dmxdev_filter *) file->private_data;
}
-static inline void dvb_dmxdev_buffer_init(struct dmxdev_buffer *buffer)
+static inline void dvb_dmxdev_buffer_init(struct dmxdev_buffer *buffer)
{
buffer->data=NULL;
buffer->size=8192;
init_waitqueue_head(&buffer->queue);
}
-static inline int dvb_dmxdev_buffer_write(struct dmxdev_buffer *buf, const u8 *src, int len)
+static inline int dvb_dmxdev_buffer_write(struct dmxdev_buffer *buf, const u8 *src, int len)
{
int split;
int free;
return 0;
if (!buf->data)
return 0;
-
+
free=buf->pread-buf->pwrite;
split=0;
if (free<=0) {
{
unsigned long todo=count;
int split, avail, error;
-
+
if (!src->data)
return 0;
if ((error=src->error)) {
src->pwrite=src->pread;
src->error=0;
- return error;
+ return error;
}
if (non_blocking && (src->pwrite==src->pread))
if ((error=src->error)) {
src->pwrite=src->pread;
src->error=0;
- return error;
+ return error;
}
-
+
split=src->size;
avail=src->pwrite - src->pread;
if (avail<0) {
list_for_each(pos, head)
if (DMX_FE_ENTRY(pos)->source==type)
return DMX_FE_ENTRY(pos);
-
+
return NULL;
}
static int dvb_dvr_open(struct inode *inode, struct file *file)
{
- struct dvb_device *dvbdev=(struct dvb_device *) file->private_data;
- struct dmxdev *dmxdev=(struct dmxdev *) dvbdev->priv;
+ struct dvb_device *dvbdev = file->private_data;
+ struct dmxdev *dmxdev = dvbdev->priv;
struct dmx_frontend *front;
dprintk ("function : %s\n", __FUNCTION__);
if (down_interruptible (&dmxdev->mutex))
return -ERESTARTSYS;
-
+
if ((file->f_flags&O_ACCMODE)==O_RDWR) {
if (!(dmxdev->capabilities&DMXDEV_CAP_DUPLEX)) {
up(&dmxdev->mutex);
if ((file->f_flags&O_ACCMODE)==O_WRONLY) {
dmxdev->dvr_orig_fe=dmxdev->demux->frontend;
-
+
if (!dmxdev->demux->write) {
up(&dmxdev->mutex);
return -EOPNOTSUPP;
}
-
+
front=get_fe(dmxdev->demux, DMX_MEMORY_FE);
-
+
if (!front) {
up(&dmxdev->mutex);
return -EINVAL;
}
- dmxdev->demux->disconnect_frontend(dmxdev->demux);
- dmxdev->demux->connect_frontend(dmxdev->demux, front);
+ dmxdev->demux->disconnect_frontend(dmxdev->demux);
+ dmxdev->demux->connect_frontend(dmxdev->demux, front);
}
up(&dmxdev->mutex);
return 0;
static int dvb_dvr_release(struct inode *inode, struct file *file)
{
- struct dvb_device *dvbdev=(struct dvb_device *) file->private_data;
- struct dmxdev *dmxdev=(struct dmxdev *) dvbdev->priv;
+ struct dvb_device *dvbdev = file->private_data;
+ struct dmxdev *dmxdev = dvbdev->priv;
if (down_interruptible (&dmxdev->mutex))
return -ERESTARTSYS;
if ((file->f_flags&O_ACCMODE)==O_WRONLY) {
- dmxdev->demux->disconnect_frontend(dmxdev->demux);
- dmxdev->demux->connect_frontend(dmxdev->demux,
+ dmxdev->demux->disconnect_frontend(dmxdev->demux);
+ dmxdev->demux->connect_frontend(dmxdev->demux,
dmxdev->dvr_orig_fe);
}
if ((file->f_flags&O_ACCMODE)==O_RDONLY) {
static ssize_t dvb_dvr_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
- struct dvb_device *dvbdev=(struct dvb_device *) file->private_data;
- struct dmxdev *dmxdev=(struct dmxdev *) dvbdev->priv;
+ struct dvb_device *dvbdev = file->private_data;
+ struct dmxdev *dmxdev = dvbdev->priv;
int ret;
if (!dmxdev->demux->write)
static ssize_t dvb_dvr_read(struct file *file, char __user *buf, size_t count,
loff_t *ppos)
{
- struct dvb_device *dvbdev=(struct dvb_device *) file->private_data;
- struct dmxdev *dmxdev=(struct dmxdev *) dvbdev->priv;
+ struct dvb_device *dvbdev = file->private_data;
+ struct dmxdev *dmxdev = dvbdev->priv;
int ret;
//down(&dmxdev->mutex);
- ret= dvb_dmxdev_buffer_read(&dmxdev->dvr_buffer,
- file->f_flags&O_NONBLOCK,
+ ret= dvb_dmxdev_buffer_read(&dmxdev->dvr_buffer,
+ file->f_flags&O_NONBLOCK,
buf, count, ppos);
//up(&dmxdev->mutex);
return ret;
mem=buf->data;
buf->data=NULL;
buf->size=size;
- buf->pwrite=buf->pread=0;
+ buf->pwrite=buf->pread=0;
spin_unlock_irq(&dmxdevfilter->dev->lock);
- if (mem)
- vfree(mem);
-
+ vfree(mem);
+
if (buf->size) {
mem=vmalloc(dmxdevfilter->buffer.size);
if (!mem)
static void dvb_dmxdev_filter_timeout(unsigned long data)
{
struct dmxdev_filter *dmxdevfilter=(struct dmxdev_filter *)data;
-
+
dmxdevfilter->buffer.error=-ETIMEDOUT;
spin_lock_irq(&dmxdevfilter->dev->lock);
dmxdevfilter->state=DMXDEV_STATE_TIMEDOUT;
static void dvb_dmxdev_filter_timer(struct dmxdev_filter *dmxdevfilter)
{
struct dmx_sct_filter_params *para=&dmxdevfilter->params.sec;
-
+
del_timer(&dmxdevfilter->timer);
if (para->timeout) {
dmxdevfilter->timer.function=dvb_dmxdev_filter_timeout;
const u8 *buffer2, size_t buffer2_len,
struct dmx_section_filter *filter, enum dmx_success success)
{
- struct dmxdev_filter *dmxdevfilter=(struct dmxdev_filter *) filter->priv;
+ struct dmxdev_filter *dmxdevfilter = filter->priv;
int ret;
-
+
if (dmxdevfilter->buffer.error) {
wake_up(&dmxdevfilter->buffer.queue);
return 0;
return 0;
}
del_timer(&dmxdevfilter->timer);
- dprintk("dmxdev: section callback %02x %02x %02x %02x %02x %02x\n",
- buffer1[0], buffer1[1],
- buffer1[2], buffer1[3],
+ dprintk("dmxdev: section callback %02x %02x %02x %02x %02x %02x\n",
+ buffer1[0], buffer1[1],
+ buffer1[2], buffer1[3],
buffer1[4], buffer1[5]);
ret=dvb_dmxdev_buffer_write(&dmxdevfilter->buffer, buffer1, buffer1_len);
if (ret==buffer1_len) {
ret=dvb_dmxdev_buffer_write(&dmxdevfilter->buffer, buffer2, buffer2_len);
}
if (ret<0) {
- dmxdevfilter->buffer.pwrite=dmxdevfilter->buffer.pread;
+ dmxdevfilter->buffer.pwrite=dmxdevfilter->buffer.pread;
dmxdevfilter->buffer.error=-EOVERFLOW;
}
if (dmxdevfilter->params.sec.flags&DMX_ONESHOT)
const u8 *buffer2, size_t buffer2_len,
struct dmx_ts_feed *feed, enum dmx_success success)
{
- struct dmxdev_filter *dmxdevfilter=(struct dmxdev_filter *) feed->priv;
+ struct dmxdev_filter *dmxdevfilter = feed->priv;
struct dmxdev_buffer *buffer;
int ret;
-
+
spin_lock(&dmxdevfilter->dev->lock);
if (dmxdevfilter->params.pes.output==DMX_OUT_DECODER) {
spin_unlock(&dmxdevfilter->dev->lock);
return 0;
}
ret=dvb_dmxdev_buffer_write(buffer, buffer1, buffer1_len);
- if (ret==buffer1_len)
+ if (ret==buffer1_len)
ret=dvb_dmxdev_buffer_write(buffer, buffer2, buffer2_len);
if (ret<0) {
- buffer->pwrite=buffer->pread;
+ buffer->pwrite=buffer->pread;
buffer->error=-EOVERFLOW;
}
spin_unlock(&dmxdevfilter->dev->lock);
}
-/* restart section feed if it has filters left associated with it,
+/* restart section feed if it has filters left associated with it,
otherwise release the feed */
static int dvb_dmxdev_feed_restart(struct dmxdev_filter *filter)
int i;
struct dmxdev *dmxdev = filter->dev;
u16 pid = filter->params.sec.pid;
-
- for (i=0; i<dmxdev->filternum; i++)
+
+ for (i=0; i<dmxdev->filternum; i++)
if (dmxdev->filter[i].state>=DMXDEV_STATE_GO &&
dmxdev->filter[i].type==DMXDEV_TYPE_SEC &&
dmxdev->filter[i].pid==pid) {
dvb_dmxdev_feed_start(&dmxdev->filter[i]);
return 0;
}
-
+
filter->dev->demux->release_section_feed(dmxdev->demux, filter->feed.sec);
return 0;
static int dvb_dmxdev_filter_stop(struct dmxdev_filter *dmxdevfilter)
{
- if (dmxdevfilter->state<DMXDEV_STATE_GO)
+ if (dmxdevfilter->state<DMXDEV_STATE_GO)
return 0;
switch (dmxdevfilter->type) {
dmxdevfilter->feed.ts=NULL;
break;
default:
- if (dmxdevfilter->state==DMXDEV_STATE_ALLOCATED)
+ if (dmxdevfilter->state==DMXDEV_STATE_ALLOCATED)
return 0;
return -EINVAL;
}
- dmxdevfilter->buffer.pwrite=dmxdevfilter->buffer.pread=0;
+ dmxdevfilter->buffer.pwrite=dmxdevfilter->buffer.pread=0;
return 0;
}
static inline int dvb_dmxdev_filter_reset(struct dmxdev_filter *dmxdevfilter)
{
- if (dmxdevfilter->state<DMXDEV_STATE_SET)
+ if (dmxdevfilter->state<DMXDEV_STATE_SET)
return 0;
dmxdevfilter->type=DMXDEV_TYPE_NONE;
void *mem;
int ret, i;
- if (filter->state < DMXDEV_STATE_SET)
+ if (filter->state < DMXDEV_STATE_SET)
return -EINVAL;
if (filter->state >= DMXDEV_STATE_GO)
- dvb_dmxdev_filter_stop(filter);
+ dvb_dmxdev_filter_stop(filter);
if (!(mem = filter->buffer.data)) {
mem = vmalloc(filter->buffer.size);
/* find active filter/feed with same PID */
for (i=0; i<dmxdev->filternum; i++) {
if (dmxdev->filter[i].state >= DMXDEV_STATE_GO &&
- dmxdev->filter[i].pid == para->pid &&
+ dmxdev->filter[i].pid == para->pid &&
dmxdev->filter[i].type == DMXDEV_TYPE_SEC) {
*secfeed = dmxdev->filter[i].feed.sec;
break;
}
}
- /* if no feed found, try to allocate new one */
+ /* if no feed found, try to allocate new one */
if (!*secfeed) {
- ret=dmxdev->demux->allocate_section_feed(dmxdev->demux,
- secfeed,
+ ret=dmxdev->demux->allocate_section_feed(dmxdev->demux,
+ secfeed,
dvb_dmxdev_section_callback);
if (ret<0) {
printk ("DVB (%s): could not alloc feed\n",
__FUNCTION__);
return ret;
}
-
- ret=(*secfeed)->set(*secfeed, para->pid, 32768, 0,
+
+ ret=(*secfeed)->set(*secfeed, para->pid, 32768, 0,
(para->flags & DMX_CHECK_CRC) ? 1 : 0);
-
+
if (ret<0) {
printk ("DVB (%s): could not set feed\n",
__FUNCTION__);
} else {
dvb_dmxdev_feed_stop(filter);
}
-
+
ret=(*secfeed)->allocate_filter(*secfeed, secfilter);
if (ret < 0) {
(*secfilter)->priv = filter;
- memcpy(&((*secfilter)->filter_value[3]),
+ memcpy(&((*secfilter)->filter_value[3]),
&(para->filter.filter[1]), DMX_FILTER_SIZE-1);
- memcpy(&(*secfilter)->filter_mask[3],
+ memcpy(&(*secfilter)->filter_mask[3],
¶->filter.mask[1], DMX_FILTER_SIZE-1);
- memcpy(&(*secfilter)->filter_mode[3],
+ memcpy(&(*secfilter)->filter_mode[3],
¶->filter.mode[1], DMX_FILTER_SIZE-1);
(*secfilter)->filter_value[0]=para->filter.filter[0];
(*secfilter)->filter_mode[0]=para->filter.mode[0];
(*secfilter)->filter_mask[1]=0;
(*secfilter)->filter_mask[2]=0;
-
+
filter->todo = 0;
ret = filter->feed.sec->start_filtering (filter->feed.sec);
break;
}
- case DMXDEV_TYPE_PES:
+ case DMXDEV_TYPE_PES:
{
struct timespec timeout = { 0 };
struct dmx_pes_filter_params *para = &filter->params.pes;
int ts_type;
enum dmx_ts_pes ts_pes;
struct dmx_ts_feed **tsfeed = &filter->feed.ts;
-
+
filter->feed.ts = NULL;
otype=para->output;
-
+
ts_pes=(enum dmx_ts_pes) para->pes_type;
-
- if (ts_pes<DMX_PES_OTHER)
+
+ if (ts_pes<DMX_PES_OTHER)
ts_type=TS_DECODER;
else
ts_type=0;
-
- if (otype == DMX_OUT_TS_TAP)
+
+ if (otype == DMX_OUT_TS_TAP)
ts_type |= TS_PACKET;
-
- if (otype == DMX_OUT_TAP)
+
+ if (otype == DMX_OUT_TAP)
ts_type |= TS_PAYLOAD_ONLY|TS_PACKET;
-
- ret=dmxdev->demux->allocate_ts_feed(dmxdev->demux,
- tsfeed,
+
+ ret=dmxdev->demux->allocate_ts_feed(dmxdev->demux,
+ tsfeed,
dvb_dmxdev_ts_callback);
- if (ret<0)
+ if (ret<0)
return ret;
(*tsfeed)->priv = (void *) filter;
static int dvb_demux_open(struct inode *inode, struct file *file)
{
- struct dvb_device *dvbdev=(struct dvb_device *) file->private_data;
- struct dmxdev *dmxdev=(struct dmxdev *) dvbdev->priv;
+ struct dvb_device *dvbdev = file->private_data;
+ struct dmxdev *dmxdev = dvbdev->priv;
int i;
struct dmxdev_filter *dmxdevfilter;
up(&dmxdev->mutex);
return -ERESTARTSYS;
}
-
+
dvb_dmxdev_filter_stop(dmxdevfilter);
dvb_dmxdev_filter_reset(dmxdevfilter);
-
+
if (dmxdevfilter->buffer.data) {
void *mem=dmxdevfilter->buffer.data;
-
+
spin_lock_irq(&dmxdev->lock);
dmxdevfilter->buffer.data=NULL;
spin_unlock_irq(&dmxdev->lock);
}
-static int dvb_dmxdev_filter_set(struct dmxdev *dmxdev,
- struct dmxdev_filter *dmxdevfilter,
+static int dvb_dmxdev_filter_set(struct dmxdev *dmxdev,
+ struct dmxdev_filter *dmxdevfilter,
struct dmx_sct_filter_params *params)
{
dprintk ("function : %s\n", __FUNCTION__);
dvb_dmxdev_filter_stop(dmxdevfilter);
-
+
dmxdevfilter->type=DMXDEV_TYPE_SEC;
dmxdevfilter->pid=params->pid;
- memcpy(&dmxdevfilter->params.sec,
+ memcpy(&dmxdevfilter->params.sec,
params, sizeof(struct dmx_sct_filter_params));
invert_mode(&dmxdevfilter->params.sec.filter);
dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_SET);
-
- if (params->flags&DMX_IMMEDIATE_START)
+
+ if (params->flags&DMX_IMMEDIATE_START)
return dvb_dmxdev_filter_start(dmxdevfilter);
return 0;
dvb_dmxdev_filter_state_set(dmxdevfilter, DMXDEV_STATE_SET);
- if (params->flags&DMX_IMMEDIATE_START)
+ if (params->flags&DMX_IMMEDIATE_START)
return dvb_dmxdev_filter_start(dmxdevfilter);
return 0;
{
int result, hcount;
int done=0;
-
+
if (dfil->todo<=0) {
hcount=3+dfil->todo;
if (hcount>count)
hcount=count;
- result=dvb_dmxdev_buffer_read(&dfil->buffer, file->f_flags&O_NONBLOCK,
+ result=dvb_dmxdev_buffer_read(&dfil->buffer, file->f_flags&O_NONBLOCK,
buf, hcount, ppos);
if (result<0) {
dfil->todo=0;
return result;
}
- if (copy_from_user(dfil->secheader-dfil->todo, buf, result))
+ if (copy_from_user(dfil->secheader-dfil->todo, buf, result))
return -EFAULT;
buf+=result;
done=result;
}
if (count>dfil->todo)
count=dfil->todo;
- result=dvb_dmxdev_buffer_read(&dfil->buffer, file->f_flags&O_NONBLOCK,
+ result=dvb_dmxdev_buffer_read(&dfil->buffer, file->f_flags&O_NONBLOCK,
buf, count, ppos);
if (result<0)
return result;
if (dmxdevfilter->type==DMXDEV_TYPE_SEC)
ret=dvb_dmxdev_read_sec(dmxdevfilter, file, buf, count, ppos);
else
- ret=dvb_dmxdev_buffer_read(&dmxdevfilter->buffer,
- file->f_flags&O_NONBLOCK,
+ ret=dvb_dmxdev_buffer_read(&dmxdevfilter->buffer,
+ file->f_flags&O_NONBLOCK,
buf, count, ppos);
up(&dmxdevfilter->mutex);
struct dmxdev *dmxdev=dmxdevfilter->dev;
unsigned long arg=(unsigned long) parg;
int ret=0;
-
+
if (down_interruptible (&dmxdev->mutex))
return -ERESTARTSYS;
up(&dmxdevfilter->mutex);
break;
- case DMX_SET_FILTER:
+ case DMX_SET_FILTER:
if (down_interruptible(&dmxdevfilter->mutex)) {
up(&dmxdev->mutex);
return -ERESTARTSYS;
}
- ret = dvb_dmxdev_filter_set(dmxdev, dmxdevfilter,
+ ret = dvb_dmxdev_filter_set(dmxdev, dmxdevfilter,
(struct dmx_sct_filter_params *)parg);
up(&dmxdevfilter->mutex);
break;
- case DMX_SET_PES_FILTER:
+ case DMX_SET_PES_FILTER:
if (down_interruptible(&dmxdevfilter->mutex)) {
up(&dmxdev->mutex);
return -ERESTARTSYS;
}
- ret=dvb_dmxdev_pes_filter_set(dmxdev, dmxdevfilter,
+ ret=dvb_dmxdev_pes_filter_set(dmxdev, dmxdevfilter,
(struct dmx_pes_filter_params *)parg);
up(&dmxdevfilter->mutex);
break;
- case DMX_SET_BUFFER_SIZE:
+ case DMX_SET_BUFFER_SIZE:
if (down_interruptible(&dmxdevfilter->mutex)) {
up(&dmxdev->mutex);
return -ERESTARTSYS;
ret=dvb_dmxdev_set_buffer_size(dmxdevfilter, arg);
up(&dmxdevfilter->mutex);
break;
-
- case DMX_GET_EVENT:
+
+ case DMX_GET_EVENT:
break;
-
- case DMX_GET_PES_PIDS:
+
+ case DMX_GET_PES_PIDS:
if (!dmxdev->demux->get_pes_pids) {
ret=-EINVAL;
break;
return dvb_dmxdev_filter_free(dmxdev, dmxdevfilter);
}
+
static struct file_operations dvb_demux_fops = {
.owner = THIS_MODULE,
.read = dvb_demux_read,
.poll = dvb_demux_poll,
};
+
static struct dvb_device dvbdev_demux = {
.priv = NULL,
.users = 1,
.fops = &dvb_demux_fops
};
+
static int dvb_dvr_do_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, void *parg)
+ unsigned int cmd, void *parg)
{
- struct dvb_device *dvbdev=(struct dvb_device *) file->private_data;
- struct dmxdev *dmxdev=(struct dmxdev *) dvbdev->priv;
+ struct dvb_device *dvbdev = file->private_data;
+ struct dmxdev *dmxdev = dvbdev->priv;
int ret=0;
return -ERESTARTSYS;
switch (cmd) {
- case DMX_SET_BUFFER_SIZE:
+ case DMX_SET_BUFFER_SIZE:
// FIXME: implement
ret=0;
break;
-
+
default:
ret=-EINVAL;
}
return ret;
}
+
static int dvb_dvr_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+ unsigned int cmd, unsigned long arg)
{
return dvb_usercopy(inode, file, cmd, arg, dvb_dvr_do_ioctl);
}
static unsigned int dvb_dvr_poll (struct file *file, poll_table *wait)
{
- struct dvb_device *dvbdev = (struct dvb_device *) file->private_data;
- struct dmxdev *dmxdev = (struct dmxdev *) dvbdev->priv;
+ struct dvb_device *dvbdev = file->private_data;
+ struct dmxdev *dmxdev = dvbdev->priv;
unsigned int mask = 0;
dprintk ("function : %s\n", __FUNCTION__);
if (dmxdev->dvr_buffer.pread!=dmxdev->dvr_buffer.pwrite)
mask |= (POLLIN | POLLRDNORM | POLLPRI);
- } else
+ } else
mask |= (POLLOUT | POLLWRNORM | POLLPRI);
return mask;
.fops = &dvb_dvr_fops
};
-int
+int
dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *dvb_adapter)
{
int i;
- if (dmxdev->demux->open(dmxdev->demux)<0)
+ if (dmxdev->demux->open(dmxdev->demux) < 0)
return -EUSERS;
-
+
dmxdev->filter = vmalloc(dmxdev->filternum*sizeof(struct dmxdev_filter));
if (!dmxdev->filter)
return -ENOMEM;
dvb_dmxdev_filter_state_set(&dmxdev->filter[i], DMXDEV_STATE_FREE);
dvb_dmxdev_dvr_state_set(&dmxdev->dvr[i], DMXDEV_STATE_FREE);
}
+
dvb_register_device(dvb_adapter, &dmxdev->dvbdev, &dvbdev_demux, dmxdev, DVB_DEVICE_DEMUX);
dvb_register_device(dvb_adapter, &dmxdev->dvr_dvbdev, &dvbdev_dvr, dmxdev, DVB_DEVICE_DVR);
}
EXPORT_SYMBOL(dvb_dmxdev_init);
-void
+void
dvb_dmxdev_release(struct dmxdev *dmxdev)
{
dvb_unregister_device(dmxdev->dvbdev);
dvb_unregister_device(dmxdev->dvr_dvbdev);
- if (dmxdev->filter) {
- vfree(dmxdev->filter);
- dmxdev->filter=NULL;
- }
- if (dmxdev->dvr) {
- vfree(dmxdev->dvr);
- dmxdev->dvr=NULL;
- }
+
+ vfree(dmxdev->filter);
+ dmxdev->filter=NULL;
+ vfree(dmxdev->dvr);
+ dmxdev->dvr=NULL;
dmxdev->demux->close(dmxdev->demux);
}
EXPORT_SYMBOL(dvb_dmxdev_release);
-
git://git.onelab.eu / linux-2.6.git / blobdiff