aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/dvb-core
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/dvb-core')
-rw-r--r--drivers/media/dvb-core/demux.h39
-rw-r--r--drivers/media/dvb-core/dmxdev.c17
-rw-r--r--drivers/media/dvb-core/dvb-usb-ids.h14
-rw-r--r--drivers/media/dvb-core/dvb_demux.c56
-rw-r--r--drivers/media/dvb-core/dvb_demux.h4
-rw-r--r--drivers/media/dvb-core/dvb_frontend.c342
-rw-r--r--drivers/media/dvb-core/dvb_frontend.h4
-rw-r--r--drivers/media/dvb-core/dvb_net.c27
-rw-r--r--drivers/media/dvb-core/dvbdev.c19
9 files changed, 262 insertions, 260 deletions
diff --git a/drivers/media/dvb-core/demux.h b/drivers/media/dvb-core/demux.h
index eb91fd808c1..833191bcd81 100644
--- a/drivers/media/dvb-core/demux.h
+++ b/drivers/media/dvb-core/demux.h
@@ -83,45 +83,6 @@ enum dmx_success {
#define TS_DEMUX 8 /* in case TS_PACKET is set, send the TS to
the demux device, not to the dvr device */
-/* PES type for filters which write to built-in decoder */
-/* these should be kept identical to the types in dmx.h */
-
-enum dmx_ts_pes
-{ /* also send packets to decoder (if it exists) */
- DMX_TS_PES_AUDIO0,
- DMX_TS_PES_VIDEO0,
- DMX_TS_PES_TELETEXT0,
- DMX_TS_PES_SUBTITLE0,
- DMX_TS_PES_PCR0,
-
- DMX_TS_PES_AUDIO1,
- DMX_TS_PES_VIDEO1,
- DMX_TS_PES_TELETEXT1,
- DMX_TS_PES_SUBTITLE1,
- DMX_TS_PES_PCR1,
-
- DMX_TS_PES_AUDIO2,
- DMX_TS_PES_VIDEO2,
- DMX_TS_PES_TELETEXT2,
- DMX_TS_PES_SUBTITLE2,
- DMX_TS_PES_PCR2,
-
- DMX_TS_PES_AUDIO3,
- DMX_TS_PES_VIDEO3,
- DMX_TS_PES_TELETEXT3,
- DMX_TS_PES_SUBTITLE3,
- DMX_TS_PES_PCR3,
-
- DMX_TS_PES_OTHER
-};
-
-#define DMX_TS_PES_AUDIO DMX_TS_PES_AUDIO0
-#define DMX_TS_PES_VIDEO DMX_TS_PES_VIDEO0
-#define DMX_TS_PES_TELETEXT DMX_TS_PES_TELETEXT0
-#define DMX_TS_PES_SUBTITLE DMX_TS_PES_SUBTITLE0
-#define DMX_TS_PES_PCR DMX_TS_PES_PCR0
-
-
struct dmx_ts_feed {
int is_filtering; /* Set to non-zero when filtering in progress */
struct dmx_demux *parent; /* Back-pointer */
diff --git a/drivers/media/dvb-core/dmxdev.c b/drivers/media/dvb-core/dmxdev.c
index d81dbb22aa8..c0363f1b6c9 100644
--- a/drivers/media/dvb-core/dmxdev.c
+++ b/drivers/media/dvb-core/dmxdev.c
@@ -206,8 +206,6 @@ static int dvb_dvr_release(struct inode *inode, struct file *file)
/* TODO */
dvbdev->users--;
if (dvbdev->users == 1 && dmxdev->exit == 1) {
- fops_put(file->f_op);
- file->f_op = NULL;
mutex_unlock(&dmxdev->mutex);
wake_up(&dvbdev->wait_queue);
} else
@@ -377,10 +375,8 @@ static int dvb_dmxdev_section_callback(const u8 *buffer1, size_t buffer1_len,
ret = dvb_dmxdev_buffer_write(&dmxdevfilter->buffer, buffer2,
buffer2_len);
}
- if (ret < 0) {
- dvb_ringbuffer_flush(&dmxdevfilter->buffer);
+ if (ret < 0)
dmxdevfilter->buffer.error = ret;
- }
if (dmxdevfilter->params.sec.flags & DMX_ONESHOT)
dmxdevfilter->state = DMXDEV_STATE_DONE;
spin_unlock(&dmxdevfilter->dev->lock);
@@ -416,10 +412,8 @@ static int dvb_dmxdev_ts_callback(const u8 *buffer1, size_t buffer1_len,
ret = dvb_dmxdev_buffer_write(buffer, buffer1, buffer1_len);
if (ret == buffer1_len)
ret = dvb_dmxdev_buffer_write(buffer, buffer2, buffer2_len);
- if (ret < 0) {
- dvb_ringbuffer_flush(buffer);
+ if (ret < 0)
buffer->error = ret;
- }
spin_unlock(&dmxdevfilter->dev->lock);
wake_up(&buffer->queue);
return 0;
@@ -569,7 +563,7 @@ static int dvb_dmxdev_start_feed(struct dmxdev *dmxdev,
dmx_output_t otype;
int ret;
int ts_type;
- dmx_pes_type_t ts_pes;
+ enum dmx_ts_pes ts_pes;
struct dmx_ts_feed *tsfeed;
feed->ts = NULL;
@@ -852,7 +846,8 @@ static int dvb_dmxdev_filter_set(struct dmxdev *dmxdev,
struct dmxdev_filter *dmxdevfilter,
struct dmx_sct_filter_params *params)
{
- dprintk("function : %s\n", __func__);
+ dprintk("function : %s, PID=0x%04x, flags=%02x, timeout=%d\n",
+ __func__, params->pid, params->flags, params->timeout);
dvb_dmxdev_filter_stop(dmxdevfilter);
@@ -1123,8 +1118,6 @@ static int dvb_demux_release(struct inode *inode, struct file *file)
mutex_lock(&dmxdev->mutex);
dmxdev->dvbdev->users--;
if(dmxdev->dvbdev->users==1 && dmxdev->exit==1) {
- fops_put(file->f_op);
- file->f_op = NULL;
mutex_unlock(&dmxdev->mutex);
wake_up(&dmxdev->dvbdev->wait_queue);
} else
diff --git a/drivers/media/dvb-core/dvb-usb-ids.h b/drivers/media/dvb-core/dvb-usb-ids.h
index 399e1042d35..11d2bea23b0 100644
--- a/drivers/media/dvb-core/dvb-usb-ids.h
+++ b/drivers/media/dvb-core/dvb-usb-ids.h
@@ -124,8 +124,7 @@
#define USB_PID_DIBCOM_STK7770P 0x1e80
#define USB_PID_DIBCOM_NIM7090 0x1bb2
#define USB_PID_DIBCOM_TFE7090PVR 0x1bb4
-#define USB_PID_DIBCOM_TFE7090E 0x1bb7
-#define USB_PID_DIBCOM_TFE7790E 0x1e6e
+#define USB_PID_DIBCOM_TFE7790P 0x1e6e
#define USB_PID_DIBCOM_NIM9090M 0x2383
#define USB_PID_DIBCOM_NIM9090MD 0x2384
#define USB_PID_DPOSH_M9206_COLD 0x9206
@@ -240,6 +239,7 @@
#define USB_PID_AVERMEDIA_A835B_4835 0x4835
#define USB_PID_AVERMEDIA_1867 0x1867
#define USB_PID_AVERMEDIA_A867 0xa867
+#define USB_PID_AVERMEDIA_H335 0x0335
#define USB_PID_AVERMEDIA_TWINSTAR 0x0825
#define USB_PID_TECHNOTREND_CONNECT_S2400 0x3006
#define USB_PID_TECHNOTREND_CONNECT_S2400_8KEEPROM 0x3009
@@ -257,6 +257,7 @@
#define USB_PID_TERRATEC_T5 0x10a1
#define USB_PID_NOXON_DAB_STICK 0x00b3
#define USB_PID_NOXON_DAB_STICK_REV2 0x00e0
+#define USB_PID_NOXON_DAB_STICK_REV3 0x00b4
#define USB_PID_PINNACLE_EXPRESSCARD_320CX 0x022e
#define USB_PID_PINNACLE_PCTV2000E 0x022c
#define USB_PID_PINNACLE_PCTV_DVB_T_FLASH 0x0228
@@ -318,6 +319,7 @@
#define USB_PID_WINFAST_DTV_DONGLE_H 0x60f6
#define USB_PID_WINFAST_DTV_DONGLE_STK7700P_2 0x6f01
#define USB_PID_WINFAST_DTV_DONGLE_GOLD 0x6029
+#define USB_PID_WINFAST_DTV_DONGLE_MINID 0x6f0f
#define USB_PID_GENPIX_8PSK_REV_1_COLD 0x0200
#define USB_PID_GENPIX_8PSK_REV_1_WARM 0x0201
#define USB_PID_GENPIX_8PSK_REV_2 0x0202
@@ -354,11 +356,13 @@
#define USB_PID_ELGATO_EYETV_DTT_2 0x003f
#define USB_PID_ELGATO_EYETV_DTT_Dlx 0x0020
#define USB_PID_ELGATO_EYETV_SAT 0x002a
+#define USB_PID_ELGATO_EYETV_SAT_V2 0x0025
#define USB_PID_DVB_T_USB_STICK_HIGH_SPEED_COLD 0x5000
#define USB_PID_DVB_T_USB_STICK_HIGH_SPEED_WARM 0x5001
#define USB_PID_FRIIO_WHITE 0x0001
#define USB_PID_TVWAY_PLUS 0x0002
#define USB_PID_SVEON_STV20 0xe39d
+#define USB_PID_SVEON_STV20_RTL2832U 0xd39d
#define USB_PID_SVEON_STV22 0xe401
#define USB_PID_SVEON_STV22_IT9137 0xe411
#define USB_PID_AZUREWAVE_AZ6027 0x3275
@@ -366,6 +370,12 @@
#define USB_PID_TERRATEC_DVBS2CI_V2 0x10ac
#define USB_PID_TECHNISAT_USB2_HDCI_V1 0x0001
#define USB_PID_TECHNISAT_USB2_HDCI_V2 0x0002
+#define USB_PID_TECHNISAT_USB2_CABLESTAR_HDCI 0x0003
#define USB_PID_TECHNISAT_AIRSTAR_TELESTICK_2 0x0004
#define USB_PID_TECHNISAT_USB2_DVB_S2 0x0500
+#define USB_PID_CPYTO_REDI_PC50A 0xa803
+#define USB_PID_CTVDIGDUAL_V2 0xe410
+#define USB_PID_PCTV_2002E 0x025c
+#define USB_PID_PCTV_2002E_SE 0x025d
+#define USB_PID_SVEON_STV27 0xd3af
#endif
diff --git a/drivers/media/dvb-core/dvb_demux.c b/drivers/media/dvb-core/dvb_demux.c
index d319717eb53..6c7ff0cdcd3 100644
--- a/drivers/media/dvb-core/dvb_demux.c
+++ b/drivers/media/dvb-core/dvb_demux.c
@@ -435,25 +435,27 @@ static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf)
dprintk_tscheck("TEI detected. "
"PID=0x%x data1=0x%x\n",
pid, buf[1]);
- /* data in this packet cant be trusted - drop it unless
+ /* data in this packet can't be trusted - drop it unless
* module option dvb_demux_feed_err_pkts is set */
if (!dvb_demux_feed_err_pkts)
return;
} else /* if TEI bit is set, pid may be wrong- skip pkt counter */
- if (demux->cnt_storage && dvb_demux_tscheck) {
- /* check pkt counter */
- if (pid < MAX_PID) {
- if ((buf[3] & 0xf) != demux->cnt_storage[pid])
- dprintk_tscheck("TS packet counter mismatch. "
- "PID=0x%x expected 0x%x "
- "got 0x%x\n",
+ if (demux->cnt_storage && dvb_demux_tscheck) {
+ /* check pkt counter */
+ if (pid < MAX_PID) {
+ if (buf[3] & 0x10)
+ demux->cnt_storage[pid] =
+ (demux->cnt_storage[pid] + 1) & 0xf;
+
+ if ((buf[3] & 0xf) != demux->cnt_storage[pid]) {
+ dprintk_tscheck("TS packet counter mismatch. PID=0x%x expected 0x%x got 0x%x\n",
pid, demux->cnt_storage[pid],
buf[3] & 0xf);
-
- demux->cnt_storage[pid] = ((buf[3] & 0xf) + 1)&0xf;
+ demux->cnt_storage[pid] = buf[3] & 0xf;
+ }
+ }
+ /* end check */
}
- /* end check */
- }
list_for_each_entry(feed, &demux->feed_list, list_head) {
if ((feed->pid != pid) && (feed->pid != 0x2000))
@@ -474,7 +476,9 @@ static void dvb_dmx_swfilter_packet(struct dvb_demux *demux, const u8 *buf)
void dvb_dmx_swfilter_packets(struct dvb_demux *demux, const u8 *buf,
size_t count)
{
- spin_lock(&demux->lock);
+ unsigned long flags;
+
+ spin_lock_irqsave(&demux->lock, flags);
while (count--) {
if (buf[0] == 0x47)
@@ -482,7 +486,7 @@ void dvb_dmx_swfilter_packets(struct dvb_demux *demux, const u8 *buf,
buf += 188;
}
- spin_unlock(&demux->lock);
+ spin_unlock_irqrestore(&demux->lock, flags);
}
EXPORT_SYMBOL(dvb_dmx_swfilter_packets);
@@ -517,8 +521,9 @@ static inline void _dvb_dmx_swfilter(struct dvb_demux *demux, const u8 *buf,
{
int p = 0, i, j;
const u8 *q;
+ unsigned long flags;
- spin_lock(&demux->lock);
+ spin_lock_irqsave(&demux->lock, flags);
if (demux->tsbufp) { /* tsbuf[0] is now 0x47. */
i = demux->tsbufp;
@@ -562,7 +567,7 @@ static inline void _dvb_dmx_swfilter(struct dvb_demux *demux, const u8 *buf,
}
bailout:
- spin_unlock(&demux->lock);
+ spin_unlock_irqrestore(&demux->lock, flags);
}
void dvb_dmx_swfilter(struct dvb_demux *demux, const u8 *buf, size_t count)
@@ -579,11 +584,13 @@ EXPORT_SYMBOL(dvb_dmx_swfilter_204);
void dvb_dmx_swfilter_raw(struct dvb_demux *demux, const u8 *buf, size_t count)
{
- spin_lock(&demux->lock);
+ unsigned long flags;
+
+ spin_lock_irqsave(&demux->lock, flags);
demux->feed->cb.ts(buf, count, NULL, 0, &demux->feed->feed.ts, DMX_OK);
- spin_unlock(&demux->lock);
+ spin_unlock_irqrestore(&demux->lock, flags);
}
EXPORT_SYMBOL(dvb_dmx_swfilter_raw);
@@ -672,7 +679,7 @@ static int dmx_ts_feed_set(struct dmx_ts_feed *ts_feed, u16 pid, int ts_type,
return -ERESTARTSYS;
if (ts_type & TS_DECODER) {
- if (pes_type >= DMX_TS_PES_OTHER) {
+ if (pes_type >= DMX_PES_OTHER) {
mutex_unlock(&demux->mutex);
return -EINVAL;
}
@@ -844,7 +851,7 @@ static int dvbdmx_release_ts_feed(struct dmx_demux *dmx,
feed->pid = 0xffff;
- if (feed->ts_type & TS_DECODER && feed->pes_type < DMX_TS_PES_OTHER)
+ if (feed->ts_type & TS_DECODER && feed->pes_type < DMX_PES_OTHER)
demux->pesfilter[feed->pes_type] = NULL;
mutex_unlock(&demux->mutex);
@@ -1025,8 +1032,13 @@ static int dmx_section_feed_release_filter(struct dmx_section_feed *feed,
return -EINVAL;
}
- if (feed->is_filtering)
+ if (feed->is_filtering) {
+ /* release dvbdmx->mutex as far as it is
+ acquired by stop_filtering() itself */
+ mutex_unlock(&dvbdmx->mutex);
feed->stop_filtering(feed);
+ mutex_lock(&dvbdmx->mutex);
+ }
spin_lock_irq(&dvbdmx->lock);
f = dvbdmxfeed->filter;
@@ -1266,7 +1278,7 @@ int dvb_dmx_init(struct dvb_demux *dvbdemux)
INIT_LIST_HEAD(&dvbdemux->frontend_list);
- for (i = 0; i < DMX_TS_PES_OTHER; i++) {
+ for (i = 0; i < DMX_PES_OTHER; i++) {
dvbdemux->pesfilter[i] = NULL;
dvbdemux->pids[i] = 0xffff;
}
diff --git a/drivers/media/dvb-core/dvb_demux.h b/drivers/media/dvb-core/dvb_demux.h
index fa7188a253a..ae7fc33c323 100644
--- a/drivers/media/dvb-core/dvb_demux.h
+++ b/drivers/media/dvb-core/dvb_demux.h
@@ -119,8 +119,8 @@ struct dvb_demux {
struct list_head frontend_list;
- struct dvb_demux_feed *pesfilter[DMX_TS_PES_OTHER];
- u16 pids[DMX_TS_PES_OTHER];
+ struct dvb_demux_feed *pesfilter[DMX_PES_OTHER];
+ u16 pids[DMX_PES_OTHER];
int playing;
int recording;
diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c
index 6e50a758156..6ce435ac866 100644
--- a/drivers/media/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb-core/dvb_frontend.c
@@ -920,7 +920,7 @@ static int dvb_frontend_clear_cache(struct dvb_frontend *fe)
u32 delsys;
delsys = c->delivery_system;
- memset(c, 0, sizeof(struct dtv_frontend_properties));
+ memset(c, 0, offsetof(struct dtv_frontend_properties, strength));
c->delivery_system = delsys;
c->state = DTV_CLEAR;
@@ -1279,7 +1279,7 @@ static int dtv_property_process_get(struct dvb_frontend *fe,
switch(tvp->cmd) {
case DTV_ENUM_DELSYS:
ncaps = 0;
- while (fe->ops.delsys[ncaps] && ncaps < MAX_DELSYS) {
+ while (ncaps < MAX_DELSYS && fe->ops.delsys[ncaps]) {
tvp->u.buffer.data[ncaps] = fe->ops.delsys[ncaps];
ncaps++;
}
@@ -1509,9 +1509,74 @@ static bool is_dvbv3_delsys(u32 delsys)
return status;
}
-static int set_delivery_system(struct dvb_frontend *fe, u32 desired_system)
+/**
+ * emulate_delivery_system - emulate a DVBv5 delivery system with a DVBv3 type
+ * @fe: struct frontend;
+ * @delsys: DVBv5 type that will be used for emulation
+ *
+ * Provides emulation for delivery systems that are compatible with the old
+ * DVBv3 call. Among its usages, it provices support for ISDB-T, and allows
+ * using a DVB-S2 only frontend just like it were a DVB-S, if the frontent
+ * parameters are compatible with DVB-S spec.
+ */
+static int emulate_delivery_system(struct dvb_frontend *fe, u32 delsys)
{
- int ncaps, i;
+ int i;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+
+ c->delivery_system = delsys;
+
+ /*
+ * If the call is for ISDB-T, put it into full-seg, auto mode, TV
+ */
+ if (c->delivery_system == SYS_ISDBT) {
+ dev_dbg(fe->dvb->device,
+ "%s: Using defaults for SYS_ISDBT\n",
+ __func__);
+
+ if (!c->bandwidth_hz)
+ c->bandwidth_hz = 6000000;
+
+ c->isdbt_partial_reception = 0;
+ c->isdbt_sb_mode = 0;
+ c->isdbt_sb_subchannel = 0;
+ c->isdbt_sb_segment_idx = 0;
+ c->isdbt_sb_segment_count = 0;
+ c->isdbt_layer_enabled = 7;
+ for (i = 0; i < 3; i++) {
+ c->layer[i].fec = FEC_AUTO;
+ c->layer[i].modulation = QAM_AUTO;
+ c->layer[i].interleaving = 0;
+ c->layer[i].segment_count = 0;
+ }
+ }
+ dev_dbg(fe->dvb->device, "%s: change delivery system on cache to %d\n",
+ __func__, c->delivery_system);
+
+ return 0;
+}
+
+/**
+ * dvbv5_set_delivery_system - Sets the delivery system for a DVBv5 API call
+ * @fe: frontend struct
+ * @desired_system: delivery system requested by the user
+ *
+ * A DVBv5 call know what's the desired system it wants. So, set it.
+ *
+ * There are, however, a few known issues with early DVBv5 applications that
+ * are also handled by this logic:
+ *
+ * 1) Some early apps use SYS_UNDEFINED as the desired delivery system.
+ * This is an API violation, but, as we don't want to break userspace,
+ * convert it to the first supported delivery system.
+ * 2) Some apps might be using a DVBv5 call in a wrong way, passing, for
+ * example, SYS_DVBT instead of SYS_ISDBT. This is because early usage of
+ * ISDB-T provided backward compat with DVB-T.
+ */
+static int dvbv5_set_delivery_system(struct dvb_frontend *fe,
+ u32 desired_system)
+{
+ int ncaps;
u32 delsys = SYS_UNDEFINED;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
enum dvbv3_emulation_type type;
@@ -1522,166 +1587,136 @@ static int set_delivery_system(struct dvb_frontend *fe, u32 desired_system)
* assume that the application wants to use the first supported
* delivery system.
*/
- if (c->delivery_system == SYS_UNDEFINED)
- c->delivery_system = fe->ops.delsys[0];
+ if (desired_system == SYS_UNDEFINED)
+ desired_system = fe->ops.delsys[0];
- if (desired_system == SYS_UNDEFINED) {
- /*
- * A DVBv3 call doesn't know what's the desired system.
- * Also, DVBv3 applications don't know that ops.info->type
- * could be changed, and they simply dies when it doesn't
- * match.
- * So, don't change the current delivery system, as it
- * may be trying to do the wrong thing, like setting an
- * ISDB-T frontend as DVB-T. Instead, find the closest
- * DVBv3 system that matches the delivery system.
- */
- if (is_dvbv3_delsys(c->delivery_system)) {
+ /*
+ * This is a DVBv5 call. So, it likely knows the supported
+ * delivery systems. So, check if the desired delivery system is
+ * supported
+ */
+ ncaps = 0;
+ while (ncaps < MAX_DELSYS && fe->ops.delsys[ncaps]) {
+ if (fe->ops.delsys[ncaps] == desired_system) {
+ c->delivery_system = desired_system;
dev_dbg(fe->dvb->device,
- "%s: Using delivery system to %d\n",
- __func__, c->delivery_system);
- return 0;
- }
- type = dvbv3_type(c->delivery_system);
- switch (type) {
- case DVBV3_QPSK:
- desired_system = SYS_DVBS;
- break;
- case DVBV3_QAM:
- desired_system = SYS_DVBC_ANNEX_A;
- break;
- case DVBV3_ATSC:
- desired_system = SYS_ATSC;
- break;
- case DVBV3_OFDM:
- desired_system = SYS_DVBT;
- break;
- default:
- dev_dbg(fe->dvb->device, "%s: This frontend doesn't support DVBv3 calls\n",
- __func__);
- return -EINVAL;
- }
- /*
- * Get a delivery system that is compatible with DVBv3
- * NOTE: in order for this to work with softwares like Kaffeine that
- * uses a DVBv5 call for DVB-S2 and a DVBv3 call to go back to
- * DVB-S, drivers that support both should put the SYS_DVBS entry
- * before the SYS_DVBS2, otherwise it won't switch back to DVB-S.
- * The real fix is that userspace applications should not use DVBv3
- * and not trust on calling FE_SET_FRONTEND to switch the delivery
- * system.
- */
- ncaps = 0;
- while (fe->ops.delsys[ncaps] && ncaps < MAX_DELSYS) {
- if (fe->ops.delsys[ncaps] == desired_system) {
- delsys = desired_system;
- break;
- }
- ncaps++;
- }
- if (delsys == SYS_UNDEFINED) {
- dev_dbg(fe->dvb->device, "%s: Couldn't find a delivery system that matches %d\n",
+ "%s: Changing delivery system to %d\n",
__func__, desired_system);
+ return 0;
}
- } else {
- /*
- * This is a DVBv5 call. So, it likely knows the supported
- * delivery systems.
- */
+ ncaps++;
+ }
- /* Check if the desired delivery system is supported */
- ncaps = 0;
- while (fe->ops.delsys[ncaps] && ncaps < MAX_DELSYS) {
- if (fe->ops.delsys[ncaps] == desired_system) {
- c->delivery_system = desired_system;
- dev_dbg(fe->dvb->device,
- "%s: Changing delivery system to %d\n",
- __func__, desired_system);
- return 0;
- }
- ncaps++;
- }
- type = dvbv3_type(desired_system);
+ /*
+ * The requested delivery system isn't supported. Maybe userspace
+ * is requesting a DVBv3 compatible delivery system.
+ *
+ * The emulation only works if the desired system is one of the
+ * delivery systems supported by DVBv3 API
+ */
+ if (!is_dvbv3_delsys(desired_system)) {
+ dev_dbg(fe->dvb->device,
+ "%s: Delivery system %d not supported.\n",
+ __func__, desired_system);
+ return -EINVAL;
+ }
- /*
- * The delivery system is not supported. See if it can be
- * emulated.
- * The emulation only works if the desired system is one of the
- * DVBv3 delivery systems
- */
- if (!is_dvbv3_delsys(desired_system)) {
- dev_dbg(fe->dvb->device,
- "%s: can't use a DVBv3 FE_SET_FRONTEND call on this frontend\n",
- __func__);
- return -EINVAL;
- }
+ type = dvbv3_type(desired_system);
- /*
- * Get the last non-DVBv3 delivery system that has the same type
- * of the desired system
- */
- ncaps = 0;
- while (fe->ops.delsys[ncaps] && ncaps < MAX_DELSYS) {
- if ((dvbv3_type(fe->ops.delsys[ncaps]) == type) &&
- !is_dvbv3_delsys(fe->ops.delsys[ncaps]))
- delsys = fe->ops.delsys[ncaps];
- ncaps++;
- }
- /* There's nothing compatible with the desired delivery system */
- if (delsys == SYS_UNDEFINED) {
- dev_dbg(fe->dvb->device,
- "%s: Incompatible DVBv3 FE_SET_FRONTEND call for this frontend\n",
- __func__);
- return -EINVAL;
- }
+ /*
+ * Get the last non-DVBv3 delivery system that has the same type
+ * of the desired system
+ */
+ ncaps = 0;
+ while (ncaps < MAX_DELSYS && fe->ops.delsys[ncaps]) {
+ if (dvbv3_type(fe->ops.delsys[ncaps]) == type)
+ delsys = fe->ops.delsys[ncaps];
+ ncaps++;
}
- c->delivery_system = delsys;
+ /* There's nothing compatible with the desired delivery system */
+ if (delsys == SYS_UNDEFINED) {
+ dev_dbg(fe->dvb->device,
+ "%s: Delivery system %d not supported on emulation mode.\n",
+ __func__, desired_system);
+ return -EINVAL;
+ }
+
+ dev_dbg(fe->dvb->device,
+ "%s: Using delivery system %d emulated as if it were %d\n",
+ __func__, delsys, desired_system);
+
+ return emulate_delivery_system(fe, desired_system);
+}
+
+/**
+ * dvbv3_set_delivery_system - Sets the delivery system for a DVBv3 API call
+ * @fe: frontend struct
+ *
+ * A DVBv3 call doesn't know what's the desired system it wants. It also
+ * doesn't allow to switch between different types. Due to that, userspace
+ * should use DVBv5 instead.
+ * However, in order to avoid breaking userspace API, limited backward
+ * compatibility support is provided.
+ *
+ * There are some delivery systems that are incompatible with DVBv3 calls.
+ *
+ * This routine should work fine for frontends that support just one delivery
+ * system.
+ *
+ * For frontends that support multiple frontends:
+ * 1) It defaults to use the first supported delivery system. There's an
+ * userspace application that allows changing it at runtime;
+ *
+ * 2) If the current delivery system is not compatible with DVBv3, it gets
+ * the first one that it is compatible.
+ *
+ * NOTE: in order for this to work with applications like Kaffeine that
+ * uses a DVBv5 call for DVB-S2 and a DVBv3 call to go back to
+ * DVB-S, drivers that support both DVB-S and DVB-S2 should have the
+ * SYS_DVBS entry before the SYS_DVBS2, otherwise it won't switch back
+ * to DVB-S.
+ */
+static int dvbv3_set_delivery_system(struct dvb_frontend *fe)
+{
+ int ncaps;
+ u32 delsys = SYS_UNDEFINED;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+
+ /* If not set yet, defaults to the first supported delivery system */
+ if (c->delivery_system == SYS_UNDEFINED)
+ c->delivery_system = fe->ops.delsys[0];
/*
- * The DVBv3 or DVBv5 call is requesting a different system. So,
- * emulation is needed.
- *
- * Emulate newer delivery systems like ISDBT, DVBT and DTMB
- * for older DVBv5 applications. The emulation will try to use
- * the auto mode for most things, and will assume that the desired
- * delivery system is the last one at the ops.delsys[] array
+ * Trivial case: just use the current one, if it already a DVBv3
+ * delivery system
*/
- dev_dbg(fe->dvb->device,
- "%s: Using delivery system %d emulated as if it were a %d\n",
- __func__, delsys, desired_system);
+ if (is_dvbv3_delsys(c->delivery_system)) {
+ dev_dbg(fe->dvb->device,
+ "%s: Using delivery system to %d\n",
+ __func__, c->delivery_system);
+ return 0;
+ }
/*
- * For now, handles ISDB-T calls. More code may be needed here for the
- * other emulated stuff
+ * Seek for the first delivery system that it is compatible with a
+ * DVBv3 standard
*/
- if (type == DVBV3_OFDM) {
- if (c->delivery_system == SYS_ISDBT) {
- dev_dbg(fe->dvb->device,
- "%s: Using defaults for SYS_ISDBT\n",
- __func__);
-
- if (!c->bandwidth_hz)
- c->bandwidth_hz = 6000000;
-
- c->isdbt_partial_reception = 0;
- c->isdbt_sb_mode = 0;
- c->isdbt_sb_subchannel = 0;
- c->isdbt_sb_segment_idx = 0;
- c->isdbt_sb_segment_count = 0;
- c->isdbt_layer_enabled = 0;
- for (i = 0; i < 3; i++) {
- c->layer[i].fec = FEC_AUTO;
- c->layer[i].modulation = QAM_AUTO;
- c->layer[i].interleaving = 0;
- c->layer[i].segment_count = 0;
- }
+ ncaps = 0;
+ while (ncaps < MAX_DELSYS && fe->ops.delsys[ncaps]) {
+ if (dvbv3_type(fe->ops.delsys[ncaps]) != DVBV3_UNKNOWN) {
+ delsys = fe->ops.delsys[ncaps];
+ break;
}
+ ncaps++;
}
- dev_dbg(fe->dvb->device, "%s: change delivery system on cache to %d\n",
- __func__, c->delivery_system);
-
- return 0;
+ if (delsys == SYS_UNDEFINED) {
+ dev_dbg(fe->dvb->device,
+ "%s: Couldn't find a delivery system that works with FE_SET_FRONTEND\n",
+ __func__);
+ return -EINVAL;
+ }
+ return emulate_delivery_system(fe, delsys);
}
static int dtv_property_process_set(struct dvb_frontend *fe,
@@ -1742,7 +1777,7 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
c->rolloff = tvp->u.data;
break;
case DTV_DELIVERY_SYSTEM:
- r = set_delivery_system(fe, tvp->u.data);
+ r = dvbv5_set_delivery_system(fe, tvp->u.data);
break;
case DTV_VOLTAGE:
c->voltage = tvp->u.data;
@@ -1847,6 +1882,8 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
c->lna = tvp->u.data;
if (fe->ops.set_lna)
r = fe->ops.set_lna(fe);
+ if (r < 0)
+ c->lna = LNA_AUTO;
break;
default:
@@ -2335,7 +2372,7 @@ static int dvb_frontend_ioctl_legacy(struct file *file,
break;
case FE_SET_FRONTEND:
- err = set_delivery_system(fe, SYS_UNDEFINED);
+ err = dvbv3_set_delivery_system(fe);
if (err)
break;
@@ -2492,11 +2529,8 @@ static int dvb_frontend_release(struct inode *inode, struct file *file)
if (dvbdev->users == -1) {
wake_up(&fepriv->wait_queue);
- if (fepriv->exit != DVB_FE_NO_EXIT) {
- fops_put(file->f_op);
- file->f_op = NULL;
+ if (fepriv->exit != DVB_FE_NO_EXIT)
wake_up(&dvbdev->wait_queue);
- }
if (fe->ops.ts_bus_ctrl)
fe->ops.ts_bus_ctrl(fe, 0);
}
@@ -2594,7 +2628,7 @@ int dvb_register_frontend(struct dvb_adapter* dvb,
* first supported delivery system (ops->delsys[0])
*/
- fe->dtv_property_cache.delivery_system = fe->ops.delsys[0];
+ fe->dtv_property_cache.delivery_system = fe->ops.delsys[0];
dvb_frontend_clear_cache(fe);
mutex_unlock(&frontend_mutex);
diff --git a/drivers/media/dvb-core/dvb_frontend.h b/drivers/media/dvb-core/dvb_frontend.h
index b34922a0815..371b6caf486 100644
--- a/drivers/media/dvb-core/dvb_frontend.h
+++ b/drivers/media/dvb-core/dvb_frontend.h
@@ -245,8 +245,8 @@ struct analog_demod_ops {
void (*set_params)(struct dvb_frontend *fe,
struct analog_parameters *params);
- int (*has_signal)(struct dvb_frontend *fe);
- int (*get_afc)(struct dvb_frontend *fe);
+ int (*has_signal)(struct dvb_frontend *fe, u16 *signal);
+ int (*get_afc)(struct dvb_frontend *fe, s32 *afc);
void (*tuner_status)(struct dvb_frontend *fe);
void (*standby)(struct dvb_frontend *fe);
void (*release)(struct dvb_frontend *fe);
diff --git a/drivers/media/dvb-core/dvb_net.c b/drivers/media/dvb-core/dvb_net.c
index 44225b186f6..8a86b302563 100644
--- a/drivers/media/dvb-core/dvb_net.c
+++ b/drivers/media/dvb-core/dvb_net.c
@@ -179,13 +179,13 @@ static __be16 dvb_net_eth_type_trans(struct sk_buff *skb,
eth = eth_hdr(skb);
if (*eth->h_dest & 1) {
- if(memcmp(eth->h_dest,dev->broadcast, ETH_ALEN)==0)
+ if(ether_addr_equal(eth->h_dest,dev->broadcast))
skb->pkt_type=PACKET_BROADCAST;
else
skb->pkt_type=PACKET_MULTICAST;
}
- if (ntohs(eth->h_proto) >= 1536)
+ if (ntohs(eth->h_proto) >= ETH_P_802_3_MIN)
return eth->h_proto;
rawp = skb->data;
@@ -228,9 +228,9 @@ static int ule_test_sndu( struct dvb_net_priv *p )
static int ule_bridged_sndu( struct dvb_net_priv *p )
{
struct ethhdr *hdr = (struct ethhdr*) p->ule_next_hdr;
- if(ntohs(hdr->h_proto) < 1536) {
+ if(ntohs(hdr->h_proto) < ETH_P_802_3_MIN) {
int framelen = p->ule_sndu_len - ((p->ule_next_hdr+sizeof(struct ethhdr)) - p->ule_skb->data);
- /* A frame Type < 1536 for a bridged frame, introduces a LLC Length field. */
+ /* A frame Type < ETH_P_802_3_MIN for a bridged frame, introduces a LLC Length field. */
if(framelen != ntohs(hdr->h_proto)) {
return -1;
}
@@ -320,7 +320,7 @@ static int handle_ule_extensions( struct dvb_net_priv *p )
(int) p->ule_sndu_type, l, total_ext_len);
#endif
- } while (p->ule_sndu_type < 1536);
+ } while (p->ule_sndu_type < ETH_P_802_3_MIN);
return total_ext_len;
}
@@ -674,11 +674,13 @@ static void dvb_net_ule( struct net_device *dev, const u8 *buf, size_t buf_len )
if (priv->rx_mode != RX_MODE_PROMISC) {
if (priv->ule_skb->data[0] & 0x01) {
/* multicast or broadcast */
- if (memcmp(priv->ule_skb->data, bc_addr, ETH_ALEN)) {
+ if (!ether_addr_equal(priv->ule_skb->data, bc_addr)) {
/* multicast */
if (priv->rx_mode == RX_MODE_MULTI) {
int i;
- for(i = 0; i < priv->multi_num && memcmp(priv->ule_skb->data, priv->multi_macs[i], ETH_ALEN); i++)
+ for(i = 0; i < priv->multi_num &&
+ !ether_addr_equal(priv->ule_skb->data,
+ priv->multi_macs[i]); i++)
;
if (i == priv->multi_num)
drop = 1;
@@ -688,7 +690,7 @@ static void dvb_net_ule( struct net_device *dev, const u8 *buf, size_t buf_len )
}
/* else: broadcast */
}
- else if (memcmp(priv->ule_skb->data, dev->dev_addr, ETH_ALEN))
+ else if (!ether_addr_equal(priv->ule_skb->data, dev->dev_addr))
drop = 1;
/* else: destination address matches the MAC address of our receiver device */
}
@@ -712,7 +714,7 @@ static void dvb_net_ule( struct net_device *dev, const u8 *buf, size_t buf_len )
}
/* Handle ULE Extension Headers. */
- if (priv->ule_sndu_type < 1536) {
+ if (priv->ule_sndu_type < ETH_P_802_3_MIN) {
/* There is an extension header. Handle it accordingly. */
int l = handle_ule_extensions(priv);
if (l < 0) {
@@ -1044,7 +1046,7 @@ static int dvb_net_feed_start(struct net_device *dev)
ret = priv->tsfeed->set(priv->tsfeed,
priv->pid, /* pid */
TS_PACKET, /* type */
- DMX_TS_PES_OTHER, /* pes type */
+ DMX_PES_OTHER, /* pes type */
32768, /* circular buffer size */
timeout /* timeout */
);
@@ -1479,11 +1481,8 @@ static int dvb_net_close(struct inode *inode, struct file *file)
dvb_generic_release(inode, file);
- if(dvbdev->users == 1 && dvbnet->exit == 1) {
- fops_put(file->f_op);
- file->f_op = NULL;
+ if(dvbdev->users == 1 && dvbnet->exit == 1)
wake_up(&dvbdev->wait_queue);
- }
return 0;
}
diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c
index 401ef64f92c..983db75de35 100644
--- a/drivers/media/dvb-core/dvbdev.c
+++ b/drivers/media/dvb-core/dvbdev.c
@@ -74,22 +74,15 @@ static int dvb_device_open(struct inode *inode, struct file *file)
if (dvbdev && dvbdev->fops) {
int err = 0;
- const struct file_operations *old_fops;
+ const struct file_operations *new_fops;
- file->private_data = dvbdev;
- old_fops = file->f_op;
- file->f_op = fops_get(dvbdev->fops);
- if (file->f_op == NULL) {
- file->f_op = old_fops;
+ new_fops = fops_get(dvbdev->fops);
+ if (!new_fops)
goto fail;
- }
- if(file->f_op->open)
+ file->private_data = dvbdev;
+ replace_fops(file, new_fops);
+ if (file->f_op->open)
err = file->f_op->open(inode,file);
- if (err) {
- fops_put(file->f_op);
- file->f_op = fops_get(old_fops);
- }
- fops_put(old_fops);
up_read(&minor_rwsem);
mutex_unlock(&dvbdev_mutex);
return err;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 10:30:32 +0000