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[media] dvb_usb_v2: add .get_ts_config() callback

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Add new callback in order to resolve used TS (MPEG transport stream)
configuration. Normal TS is 188 byte payload only but there is
currently 204 byte TS and raw TS supported too.

Traditionally TS type was mapped as a frontend property but it
does not work no longer after we changed from MFE (multi-frontend)
to SFE (single-frontend). So it is not possible to map TS for the
given FE as there could be only one FE instead of multiple.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari 2012-05-29 12:17:20 -03:00 committed by Mauro Carvalho Chehab
parent 3256cdef6e
commit b6ecf8bb4e
3 changed files with 74 additions and 63 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/media/dvb/dvb-usb/dvb_usb.h
View File

@ -242,6 +242,7 @@ struct dvb_usb_device_properties {
int (*get_rc_config) (struct dvb_usb_device *, struct dvb_usb_rc *);
int (*get_usb_stream_config) (struct dvb_frontend *,
struct usb_data_stream_properties *);
int (*get_ts_config) (struct dvb_frontend *, unsigned int *);
struct i2c_algorithm *i2c_algo;

73
drivers/media/dvb/dvb-usb/dvb_usb_dvb.c
View File

@ -8,6 +8,60 @@
*/
#include "dvb_usb_common.h"
static void dvb_usb_data_complete(struct usb_data_stream *stream, u8 *buffer,
size_t length)
{
struct dvb_usb_adapter *adap = stream->user_priv;
if (adap->feedcount > 0 && adap->state & DVB_USB_ADAP_STATE_DVB)
dvb_dmx_swfilter(&adap->demux, buffer, length);
}
static void dvb_usb_data_complete_204(struct usb_data_stream *stream,
u8 *buffer, size_t length)
{
struct dvb_usb_adapter *adap = stream->user_priv;
if (adap->feedcount > 0 && adap->state & DVB_USB_ADAP_STATE_DVB)
dvb_dmx_swfilter_204(&adap->demux, buffer, length);
}
static void dvb_usb_data_complete_raw(struct usb_data_stream *stream,
u8 *buffer, size_t length)
{
struct dvb_usb_adapter *adap = stream->user_priv;
if (adap->feedcount > 0 && adap->state & DVB_USB_ADAP_STATE_DVB)
dvb_dmx_swfilter_raw(&adap->demux, buffer, length);
}
int dvb_usb_adapter_stream_init(struct dvb_usb_adapter *adap)
{
int ret;
struct usb_data_stream_properties stream_props;
adap->stream.udev = adap->dev->udev;
adap->stream.user_priv = adap;
/* resolve USB stream configuration for buffer alloc */
if (adap->dev->props.get_usb_stream_config) {
ret = adap->dev->props.get_usb_stream_config(NULL,
&stream_props);
if (ret < 0)
return ret;
} else {
stream_props = adap->props.fe[0].stream;
}
/* FIXME: can be removed as set later in anyway */
adap->stream.complete = dvb_usb_data_complete;
return usb_urb_init(&adap->stream, &stream_props);
}
int dvb_usb_adapter_stream_exit(struct dvb_usb_adapter *adap)
{
usb_urb_exit(&adap->stream);
return 0;
}
/* does the complete input transfer handling */
static int dvb_usb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed, int onoff)
{
@ -57,6 +111,25 @@ static int dvb_usb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed, int onoff)
*/
if (adap->feedcount == onoff && adap->feedcount > 0) {
struct usb_data_stream_properties stream_props;
unsigned int ts_props;
/* resolve TS configuration */
if (adap->dev->props.get_ts_config) {
ret = adap->dev->props.get_ts_config(
adap->fe_adap[adap->active_fe].fe,
&ts_props);
if (ret < 0)
return ret;
} else {
ts_props = 0; /* normal 188 payload only TS */
}
if (ts_props & DVB_USB_ADAP_RECEIVES_204_BYTE_TS)
adap->stream.complete = dvb_usb_data_complete_204;
else if (ts_props & DVB_USB_ADAP_RECEIVES_RAW_PAYLOAD)
adap->stream.complete = dvb_usb_data_complete_raw;
else
adap->stream.complete = dvb_usb_data_complete;
/* resolve USB stream configuration */
if (adap->dev->props.get_usb_stream_config) {

63
drivers/media/dvb/dvb-usb/dvb_usb_urb.c
View File

@ -66,66 +66,3 @@ int dvb_usbv2_generic_write(struct dvb_usb_device *d, u8 *buf, u16 len)
return dvb_usbv2_generic_rw(d, buf, len, NULL, 0, 0);
}
EXPORT_SYMBOL(dvb_usbv2_generic_write);
static void dvb_usb_data_complete(struct usb_data_stream *stream, u8 *buffer,
size_t length)
{
struct dvb_usb_adapter *adap = stream->user_priv;
if (adap->feedcount > 0 && adap->state & DVB_USB_ADAP_STATE_DVB)
dvb_dmx_swfilter(&adap->demux, buffer, length);
}
static void dvb_usb_data_complete_204(struct usb_data_stream *stream,
u8 *buffer, size_t length)
{
struct dvb_usb_adapter *adap = stream->user_priv;
if (adap->feedcount > 0 && adap->state & DVB_USB_ADAP_STATE_DVB)
dvb_dmx_swfilter_204(&adap->demux, buffer, length);
}
static void dvb_usb_data_complete_raw(struct usb_data_stream *stream,
u8 *buffer, size_t length)
{
struct dvb_usb_adapter *adap = stream->user_priv;
if (adap->feedcount > 0 && adap->state & DVB_USB_ADAP_STATE_DVB)
dvb_dmx_swfilter_raw(&adap->demux, buffer, length);
}
int dvb_usb_adapter_stream_init(struct dvb_usb_adapter *adap)
{
int ret;
struct usb_data_stream_properties stream_props;
/*
* FIXME: We should config demux callback for each time streaming is
* started. Same for the USB data stream config.
*/
adap->stream.udev = adap->dev->udev;
if (adap->props.fe[0].caps & DVB_USB_ADAP_RECEIVES_204_BYTE_TS)
adap->stream.complete = dvb_usb_data_complete_204;
else if (adap->props.fe[0].caps & DVB_USB_ADAP_RECEIVES_RAW_PAYLOAD)
adap->stream.complete = dvb_usb_data_complete_raw;
else
adap->stream.complete = dvb_usb_data_complete;
adap->stream.user_priv = adap;
/* resolve USB stream configuration */
if (adap->dev->props.get_usb_stream_config) {
ret = adap->dev->props.get_usb_stream_config(NULL,
&stream_props);
if (ret < 0)
return ret;
} else {
stream_props = adap->props.fe[0].stream;
}
return usb_urb_init(&adap->stream, &stream_props);
}
int dvb_usb_adapter_stream_exit(struct dvb_usb_adapter *adap)
{
usb_urb_exit(&adap->stream);
return 0;
}