From 224b6642f5e82a1b21f6b552c799fa02e527d542 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Sun, 12 Aug 2012 22:33:21 -0300 Subject: [PATCH] [media] add DTMB support for DVB API Cc: Patrick Boettcher Cc: Andreas Oberritter Cc: Mauro Carvalho Chehab Acked-by: Patrick Boettcher Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- .../DocBook/media/dvb/dvbproperty.xml | 40 ++++++++++++++++++- drivers/media/dvb/dvb-core/dvb_frontend.c | 14 +++++-- drivers/media/dvb/dvb-core/dvb_frontend.h | 2 + drivers/media/dvb/frontends/atbm8830.c | 2 +- drivers/media/dvb/frontends/lgs8gl5.c | 2 +- drivers/media/dvb/frontends/lgs8gxx.c | 2 +- include/linux/dvb/frontend.h | 21 ++++++++-- include/linux/dvb/version.h | 2 +- 8 files changed, 74 insertions(+), 11 deletions(-) diff --git a/Documentation/DocBook/media/dvb/dvbproperty.xml b/Documentation/DocBook/media/dvb/dvbproperty.xml index bb4777a2cd90..5aea35e66af7 100644 --- a/Documentation/DocBook/media/dvb/dvbproperty.xml +++ b/Documentation/DocBook/media/dvb/dvbproperty.xml @@ -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; @@ -265,6 +266,7 @@ typedef enum fe_code_rate { FEC_AUTO, FEC_3_5, FEC_9_10, + FEC_2_5, } fe_code_rate_t; 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; @@ -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. 2) Intervals 1/128, 19/128 and 19/256 are used only for DVB-T2 at present + 3) DTMB specifies PN420, PN595 and PN945.
<constant>DTV_TRANSMISSION_MODE</constant> @@ -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; Notes: @@ -770,6 +778,7 @@ typedef enum fe_transmit_mode { use TMCC to fill in the missing parameters. 3) DVB-T specifies 2K and 8K as valid sizes. 4) DVB-T2 specifies 1K, 2K, 4K, 8K, 16K and 32K. + 5) DTMB specifies C1 and C3780.
<constant>DTV_HIERARCHY</constant> @@ -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
+
+ <constant>DTV_INTERLEAVING</constant> + Interleaving mode + +enum fe_interleaving { + INTERLEAVING_NONE, + INTERLEAVING_240, + INTERLEAVING_720, +}; + +
Properties used on terrestrial delivery systems @@ -944,6 +964,24 @@ typedef enum fe_hierarchy { DTV_ATSCMH_SCCC_CODE_MODE_D
+
+ DTMB delivery system + The following parameters are valid for DTMB: + + DTV_API_VERSION + DTV_DELIVERY_SYSTEM + DTV_TUNE + DTV_CLEAR + DTV_FREQUENCY + DTV_MODULATION + DTV_BANDWIDTH_HZ + DTV_INVERSION + DTV_INNER_FEC + DTV_GUARD_INTERVAL + DTV_TRANSMISSION_MODE + DTV_INTERLEAVING + +
Properties used on cable delivery systems diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 746dfd86aeab..3a0f24547196 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -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; diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h index 7c64c09103a9..de410cc94fbb 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb/dvb-core/dvb_frontend.h @@ -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; diff --git a/drivers/media/dvb/frontends/atbm8830.c b/drivers/media/dvb/frontends/atbm8830.c index a2261ea2cf82..4e11dc4b1335 100644 --- a/drivers/media/dvb/frontends/atbm8830.c +++ b/drivers/media/dvb/frontends/atbm8830.c @@ -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, diff --git a/drivers/media/dvb/frontends/lgs8gl5.c b/drivers/media/dvb/frontends/lgs8gl5.c index 2cec8041a106..416cce3fefc7 100644 --- a/drivers/media/dvb/frontends/lgs8gl5.c +++ b/drivers/media/dvb/frontends/lgs8gl5.c @@ -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, diff --git a/drivers/media/dvb/frontends/lgs8gxx.c b/drivers/media/dvb/frontends/lgs8gxx.c index c2ea2749ebed..3c92f36ea5c7 100644 --- a/drivers/media/dvb/frontends/lgs8gxx.c +++ b/drivers/media/dvb/frontends/lgs8gxx.c @@ -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, diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index f50d4058c5fb..2dd5823b59b9 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -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 */ diff --git a/include/linux/dvb/version.h b/include/linux/dvb/version.h index 43d9e8d462d4..70c2c7edcc7d 100644 --- a/include/linux/dvb/version.h +++ b/include/linux/dvb/version.h @@ -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_*/ -- GitLab