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[media] add DTMB support for DVB API

Browse source 
Cc: Patrick Boettcher <pboettcher@kernellabs.com>
Cc: Andreas Oberritter <obi@linuxtv.org>
Cc: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari 2012-08-12 22:33:21 -03:00 committed by Mauro Carvalho Chehab
parent 991452a21b
commit 224b6642f5
8 changed files with 74 additions and 11 deletions
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40
Documentation/DocBook/media/dvb/dvbproperty.xml
View file

@ -194,6 +194,7 @@ get/set up to 64 properties. The actual meaning of each property is described on
APSK_16,
APSK_32,
DQPSK,
QAM_4_NR,
} fe_modulation_t;
</programlisting>
</section>
@ -265,6 +266,7 @@ typedef enum fe_code_rate {
FEC_AUTO,
FEC_3_5,
FEC_9_10,
FEC_2_5,
} fe_code_rate_t;
</programlisting>
<para>which correspond to error correction rates of 1/2, 2/3, etc.,
@ -351,7 +353,7 @@ typedef enum fe_delivery_system {
SYS_ISDBC,
SYS_ATSC,
SYS_ATSCMH,
SYS_DMBTH,
SYS_DTMB,
SYS_CMMB,
SYS_DAB,
SYS_DVBT2,
@ -735,6 +737,9 @@ typedef enum fe_guard_interval {
GUARD_INTERVAL_1_128,
GUARD_INTERVAL_19_128,
GUARD_INTERVAL_19_256,
GUARD_INTERVAL_PN420,
GUARD_INTERVAL_PN595,
GUARD_INTERVAL_PN945,
} fe_guard_interval_t;
</programlisting>
@ -743,6 +748,7 @@ typedef enum fe_guard_interval {
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>
<para>3) DTMB specifies PN420, PN595 and PN945.</para>
</section>
<section id="DTV-TRANSMISSION-MODE">
<title><constant>DTV_TRANSMISSION_MODE</constant></title>
@ -759,6 +765,8 @@ typedef enum fe_transmit_mode {
TRANSMISSION_MODE_1K,
TRANSMISSION_MODE_16K,
TRANSMISSION_MODE_32K,
TRANSMISSION_MODE_C1,
TRANSMISSION_MODE_C3780,
} fe_transmit_mode_t;
</programlisting>
<para>Notes:</para>
@ -770,6 +778,7 @@ typedef enum fe_transmit_mode {
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>
<para>5) DTMB specifies C1 and C3780.</para>
</section>
<section id="DTV-HIERARCHY">
<title><constant>DTV_HIERARCHY</constant></title>
@ -806,6 +815,17 @@ typedef enum fe_hierarchy {
FE_GET_INFO. In the case of a legacy frontend, the result is just the same
as with FE_GET_INFO, but in a more structured format </para>
</section>
<section id="DTV-INTERLEAVING">
<title><constant>DTV_INTERLEAVING</constant></title>
<para>Interleaving mode</para>
<programlisting>
enum fe_interleaving {
INTERLEAVING_NONE,
INTERLEAVING_240,
INTERLEAVING_720,
};
</programlisting>
</section>
</section>
<section id="frontend-property-terrestrial-systems">
<title>Properties used on terrestrial delivery systems</title>
@ -944,6 +964,24 @@ typedef enum fe_hierarchy {
<listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-D"><constant>DTV_ATSCMH_SCCC_CODE_MODE_D</constant></link></para></listitem>
</itemizedlist>
</section>
<section id="dtmb-params">
<title>DTMB delivery system</title>
<para>The following parameters are valid for DTMB:</para>
<itemizedlist mark='opencircle'>
<listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem>
<listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem>
<listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem>
<listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem>
<listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem>
<listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem>
<listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem>
<listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem>
<listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem>
<listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem>
<listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem>
<listitem><para><link linkend="DTV-INTERLEAVING"><constant>DTV_INTERLEAVING</constant></link></para></listitem>
</itemizedlist>
</section>
</section>
<section id="frontend-property-cable-systems">
<title>Properties used on cable delivery systems</title>

14
drivers/media/dvb/dvb-core/dvb_frontend.c
View file

@ -179,7 +179,7 @@ static enum dvbv3_emulation_type dvbv3_type(u32 delivery_system)
case SYS_DVBT:
case SYS_DVBT2:
case SYS_ISDBT:
case SYS_DMBTH:
case SYS_DTMB:
return DVBV3_OFDM;
case SYS_ATSC:
case SYS_ATSCMH:
@ -997,6 +997,7 @@ static struct dtv_cmds_h dtv_cmds[DTV_MAX_COMMAND + 1] = {
_DTV_CMD(DTV_CODE_RATE_LP, 1, 0),
_DTV_CMD(DTV_GUARD_INTERVAL, 1, 0),
_DTV_CMD(DTV_TRANSMISSION_MODE, 1, 0),
_DTV_CMD(DTV_INTERLEAVING, 1, 0),
_DTV_CMD(DTV_ISDBT_PARTIAL_RECEPTION, 1, 0),
_DTV_CMD(DTV_ISDBT_SOUND_BROADCASTING, 1, 0),
@ -1028,6 +1029,7 @@ static struct dtv_cmds_h dtv_cmds[DTV_MAX_COMMAND + 1] = {
_DTV_CMD(DTV_GUARD_INTERVAL, 0, 0),
_DTV_CMD(DTV_TRANSMISSION_MODE, 0, 0),
_DTV_CMD(DTV_HIERARCHY, 0, 0),
_DTV_CMD(DTV_INTERLEAVING, 0, 0),
_DTV_CMD(DTV_ENUM_DELSYS, 0, 0),
@ -1326,6 +1328,9 @@ static int dtv_property_process_get(struct dvb_frontend *fe,
case DTV_HIERARCHY:
tvp->u.data = c->hierarchy;
break;
case DTV_INTERLEAVING:
tvp->u.data = c->interleaving;
break;
/* ISDB-T Support here */
case DTV_ISDBT_PARTIAL_RECEPTION:
@ -1593,7 +1598,7 @@ static int set_delivery_system(struct dvb_frontend *fe, u32 desired_system)
* The DVBv3 or DVBv5 call is requesting a different system. So,
* emulation is needed.
*
* Emulate newer delivery systems like ISDBT, DVBT and DMBTH
* 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
@ -1715,6 +1720,9 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
case DTV_HIERARCHY:
c->hierarchy = tvp->u.data;
break;
case DTV_INTERLEAVING:
c->interleaving = tvp->u.data;
break;
/* ISDB-T Support here */
case DTV_ISDBT_PARTIAL_RECEPTION:
@ -2012,7 +2020,7 @@ static int dtv_set_frontend(struct dvb_frontend *fe)
case SYS_DVBT:
case SYS_DVBT2:
case SYS_ISDBT:
case SYS_DMBTH:
case SYS_DTMB:
fepriv->min_delay = HZ / 20;
fepriv->step_size = fe->ops.info.frequency_stepsize * 2;
fepriv->max_drift = (fe->ops.info.frequency_stepsize * 2) + 1;

2
drivers/media/dvb/dvb-core/dvb_frontend.h
View file

@ -354,6 +354,8 @@ struct dtv_frontend_properties {
fe_delivery_system_t delivery_system;
enum fe_interleaving interleaving;
/* ISDB-T specifics */
u8 isdbt_partial_reception;
u8 isdbt_sb_mode;

2
drivers/media/dvb/frontends/atbm8830.c
View file

@ -428,7 +428,7 @@ static int atbm8830_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
}
static struct dvb_frontend_ops atbm8830_ops = {
.delsys = { SYS_DMBTH },
.delsys = { SYS_DTMB },
.info = {
.name = "AltoBeam ATBM8830/8831 DMB-TH",
.frequency_min = 474000000,

2
drivers/media/dvb/frontends/lgs8gl5.c
View file

@ -412,7 +412,7 @@ EXPORT_SYMBOL(lgs8gl5_attach);
static struct dvb_frontend_ops lgs8gl5_ops = {
.delsys = { SYS_DMBTH },
.delsys = { SYS_DTMB },
.info = {
.name = "Legend Silicon LGS-8GL5 DMB-TH",
.frequency_min = 474000000,

2
drivers/media/dvb/frontends/lgs8gxx.c
View file

@ -995,7 +995,7 @@ static int lgs8gxx_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
}
static struct dvb_frontend_ops lgs8gxx_ops = {
.delsys = { SYS_DMBTH },
.delsys = { SYS_DTMB },
.info = {
.name = "Legend Silicon LGS8913/LGS8GXX DMB-TH",
.frequency_min = 474000000,

21
include/linux/dvb/frontend.h
View file

@ -152,6 +152,7 @@ typedef enum fe_code_rate {
FEC_AUTO,
FEC_3_5,
FEC_9_10,
FEC_2_5,
} fe_code_rate_t;
@ -169,6 +170,7 @@ typedef enum fe_modulation {
APSK_16,
APSK_32,
DQPSK,
QAM_4_NR,
} fe_modulation_t;
typedef enum fe_transmit_mode {
@ -179,6 +181,8 @@ typedef enum fe_transmit_mode {
TRANSMISSION_MODE_1K,
TRANSMISSION_MODE_16K,
TRANSMISSION_MODE_32K,
TRANSMISSION_MODE_C1,
TRANSMISSION_MODE_C3780,
} fe_transmit_mode_t;
#if defined(__DVB_CORE__) || !defined (__KERNEL__)
@ -202,6 +206,9 @@ typedef enum fe_guard_interval {
GUARD_INTERVAL_1_128,
GUARD_INTERVAL_19_128,
GUARD_INTERVAL_19_256,
GUARD_INTERVAL_PN420,
GUARD_INTERVAL_PN595,
GUARD_INTERVAL_PN945,
} fe_guard_interval_t;
@ -213,6 +220,11 @@ typedef enum fe_hierarchy {
HIERARCHY_AUTO
} fe_hierarchy_t;
enum fe_interleaving {
INTERLEAVING_NONE,
INTERLEAVING_240,
INTERLEAVING_720,
};
#if defined(__DVB_CORE__) || !defined (__KERNEL__)
struct dvb_qpsk_parameters {
@ -337,7 +349,9 @@ struct dvb_frontend_event {
#define DTV_ATSCMH_SCCC_CODE_MODE_C 58
#define DTV_ATSCMH_SCCC_CODE_MODE_D 59
#define DTV_MAX_COMMAND DTV_ATSCMH_SCCC_CODE_MODE_D
#define DTV_INTERLEAVING 60
#define DTV_MAX_COMMAND DTV_INTERLEAVING
typedef enum fe_pilot {
PILOT_ON,
@ -366,7 +380,7 @@ typedef enum fe_delivery_system {
SYS_ISDBC,
SYS_ATSC,
SYS_ATSCMH,
SYS_DMBTH,
SYS_DTMB,
SYS_CMMB,
SYS_DAB,
SYS_DVBT2,
@ -374,8 +388,9 @@ typedef enum fe_delivery_system {
SYS_DVBC_ANNEX_C,
} fe_delivery_system_t;
/* backward compatibility */
#define SYS_DVBC_ANNEX_AC SYS_DVBC_ANNEX_A
#define SYS_DMBTH SYS_DTMB /* DMB-TH is legacy name, use DTMB instead */
/* ATSC-MH */

2
include/linux/dvb/version.h
View file

@ -24,6 +24,6 @@
#define _DVBVERSION_H_
#define DVB_API_VERSION 5
#define DVB_API_VERSION_MINOR 6
#define DVB_API_VERSION_MINOR 7
#endif /*_DVBVERSION_H_*/