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[media] DocBook/dvb: Update to include DVB-T2 additions
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A few new capabilities added to frontend.h for DVB-T2. Added these
to the documentation plus some notes explaining that they are
used by the T2 delivery system.

Signed-off-by: Steve Kerrison <steve@stevekerrison.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Steve Kerrison authored and Mauro Carvalho Chehab committed May 20, 2011
1 parent 15ed9d0 commit cf75f9b
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Showing 2 changed files with 49 additions and 7 deletions.
36 changes: 33 additions & 3 deletions Documentation/DocBook/dvb/dvbproperty.xml
Original file line number Diff line number Diff line change
Expand Up @@ -217,9 +217,12 @@ get/set up to 64 properties. The actual meaning of each property is described on
<para>Bandwidth for the channel, in HZ.</para>

<para>Possible values:
<constant>1712000</constant>,
<constant>5000000</constant>,
<constant>6000000</constant>,
<constant>7000000</constant>,
<constant>8000000</constant>.
<constant>8000000</constant>,
<constant>10000000</constant>.
</para>

<para>Notes:</para>
Expand All @@ -231,6 +234,8 @@ get/set up to 64 properties. The actual meaning of each property is described on
<para>4) Bandwidth in ISDB-T is fixed (6MHz) or can be easily derived from
other parameters (DTV_ISDBT_SB_SEGMENT_IDX,
DTV_ISDBT_SB_SEGMENT_COUNT).</para>
<para>5) DVB-T supports 6, 7 and 8MHz.</para>
<para>6) In addition, DVB-T2 supports 1.172, 5 and 10MHz.</para>
</section>

<section id="DTV_DELIVERY_SYSTEM">
Expand All @@ -257,6 +262,7 @@ typedef enum fe_delivery_system {
SYS_DMBTH,
SYS_CMMB,
SYS_DAB,
SYS_DVBT2,
} fe_delivery_system_t;
</programlisting>

Expand All @@ -273,7 +279,10 @@ typedef enum fe_transmit_mode {
TRANSMISSION_MODE_2K,
TRANSMISSION_MODE_8K,
TRANSMISSION_MODE_AUTO,
TRANSMISSION_MODE_4K
TRANSMISSION_MODE_4K,
TRANSMISSION_MODE_1K,
TRANSMISSION_MODE_16K,
TRANSMISSION_MODE_32K,
} fe_transmit_mode_t;
</programlisting>

Expand All @@ -284,6 +293,8 @@ typedef enum fe_transmit_mode {
<para>2) If <constant>DTV_TRANSMISSION_MODE</constant> is set the <constant>TRANSMISSION_MODE_AUTO</constant> the
hardware will try to find the correct FFT-size (if capable) and will
use TMCC to fill in the missing parameters.</para>
<para>3) DVB-T specifies 2K and 8K as valid sizes.</para>
<para>4) DVB-T2 specifies 1K, 2K, 4K, 8K, 16K and 32K.</para>
</section>

<section id="DTV_GUARD_INTERVAL">
Expand All @@ -296,14 +307,18 @@ typedef enum fe_guard_interval {
GUARD_INTERVAL_1_16,
GUARD_INTERVAL_1_8,
GUARD_INTERVAL_1_4,
GUARD_INTERVAL_AUTO
GUARD_INTERVAL_AUTO,
GUARD_INTERVAL_1_128,
GUARD_INTERVAL_19_128,
GUARD_INTERVAL_19_256,
} fe_guard_interval_t;
</programlisting>

<para>Notes:</para>
<para>1) If <constant>DTV_GUARD_INTERVAL</constant> is set the <constant>GUARD_INTERVAL_AUTO</constant> the hardware will
try to find the correct guard interval (if capable) and will use TMCC to fill
in the missing parameters.</para>
<para>2) Intervals 1/128, 19/128 and 19/256 are used only for DVB-T2 at present</para>
</section>
</section>

Expand Down Expand Up @@ -553,5 +568,20 @@ typedef enum fe_guard_interval {
</section>
</section>
</section>
<section id="dvbt2-params">
<title>DVB-T2 parameters</title>

<para>This section covers parameters that apply only to the DVB-T2 delivery method. DVB-T2
support is currently in the early stages development so expect this section to grow
and become more detailed with time.</para>

<section id="dvbt2-plp-id">
<title><constant>DTV_DVBT2_PLP_ID</constant></title>

<para>DVB-T2 supports Physical Layer Pipes (PLP) to allow transmission of
many data types via a single multiplex. The API will soon support this
at which point this section will be expanded.</para>
</section>
</section>
</section>
</section>
20 changes: 16 additions & 4 deletions Documentation/DocBook/dvb/frontend.h.xml
Original file line number Diff line number Diff line change
Expand Up @@ -176,14 +176,20 @@ typedef enum fe_transmit_mode {
TRANSMISSION_MODE_2K,
TRANSMISSION_MODE_8K,
TRANSMISSION_MODE_AUTO,
TRANSMISSION_MODE_4K
TRANSMISSION_MODE_4K,
TRANSMISSION_MODE_1K,
TRANSMISSION_MODE_16K,
TRANSMISSION_MODE_32K,
} fe_transmit_mode_t;

typedef enum fe_bandwidth {
BANDWIDTH_8_MHZ,
BANDWIDTH_7_MHZ,
BANDWIDTH_6_MHZ,
BANDWIDTH_AUTO
BANDWIDTH_AUTO,
BANDWIDTH_5_MHZ,
BANDWIDTH_10_MHZ,
BANDWIDTH_1_712_MHZ,
} fe_bandwidth_t;


Expand All @@ -192,7 +198,10 @@ typedef enum fe_guard_interval {
GUARD_INTERVAL_1_16,
GUARD_INTERVAL_1_8,
GUARD_INTERVAL_1_4,
GUARD_INTERVAL_AUTO
GUARD_INTERVAL_AUTO,
GUARD_INTERVAL_1_128,
GUARD_INTERVAL_19_128,
GUARD_INTERVAL_19_256,
} fe_guard_interval_t;


Expand Down Expand Up @@ -306,7 +315,9 @@ struct dvb_frontend_event {

#define DTV_ISDBS_TS_ID 42

#define DTV_MAX_COMMAND DTV_ISDBS_TS_ID
#define DTV_DVBT2_PLP_ID 43

#define DTV_MAX_COMMAND DTV_DVBT2_PLP_ID

typedef enum fe_pilot {
PILOT_ON,
Expand Down Expand Up @@ -338,6 +349,7 @@ typedef enum fe_delivery_system {
SYS_DMBTH,
SYS_CMMB,
SYS_DAB,
SYS_DVBT2,
} fe_delivery_system_t;

struct dtv_cmds_h {
Expand Down

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