V4L/DVB (12892): DVB-API: add support for ISDB-T and ISDB-Tsb (version 5.1)
This patch increments the DVB-API to version 5.1 in order to reflect the addition of ISDB-T and ISDB-Tsb on Linux' DVB-API. Changes in detail: - added a small document to describe how to use the API to tune to an ISDB-T or ISDB-Tsb channel - added necessary fields to dtv_frontend_cache - added a smarter clear-cache function which resets all fields of the dtv_frontend_cache - added a TRANSMISSION_MODE_4K to fe_transmit_mode_t Signed-off-by: Olivier Grenie <olgrenie@dibcom.fr> Signed-off-by: Patrick Boettcher <pboettcher@dibcom.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Patrick Boettcher
committed by
Mauro Carvalho Chehab
Mauro Carvalho Chehab
parent
fc27f04698
commit
b6e760f309
@@ -850,6 +850,49 @@ static int dvb_frontend_check_parameters(struct dvb_frontend *fe,
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return 0;
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}
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static int dvb_frontend_clear_cache(struct dvb_frontend *fe)
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{
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int i;
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memset(&(fe->dtv_property_cache), 0,
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sizeof(struct dtv_frontend_properties));
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fe->dtv_property_cache.state = DTV_CLEAR;
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fe->dtv_property_cache.delivery_system = SYS_UNDEFINED;
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fe->dtv_property_cache.inversion = INVERSION_AUTO;
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fe->dtv_property_cache.fec_inner = FEC_AUTO;
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fe->dtv_property_cache.transmission_mode = TRANSMISSION_MODE_AUTO;
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fe->dtv_property_cache.bandwidth_hz = BANDWIDTH_AUTO;
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fe->dtv_property_cache.guard_interval = GUARD_INTERVAL_AUTO;
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fe->dtv_property_cache.hierarchy = HIERARCHY_AUTO;
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fe->dtv_property_cache.symbol_rate = QAM_AUTO;
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fe->dtv_property_cache.code_rate_HP = FEC_AUTO;
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fe->dtv_property_cache.code_rate_LP = FEC_AUTO;
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fe->dtv_property_cache.isdbt_partial_reception = -1;
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fe->dtv_property_cache.isdbt_sb_mode = -1;
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fe->dtv_property_cache.isdbt_sb_subchannel = -1;
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fe->dtv_property_cache.isdbt_sb_segment_idx = -1;
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fe->dtv_property_cache.isdbt_sb_segment_count = -1;
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fe->dtv_property_cache.isdbt_layer_enabled = 0x7;
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for (i = 0; i < 3; i++) {
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fe->dtv_property_cache.layer[i].fec = FEC_AUTO;
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fe->dtv_property_cache.layer[i].modulation = QAM_AUTO;
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fe->dtv_property_cache.layer[i].interleaving = -1;
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fe->dtv_property_cache.layer[i].segment_count = -1;
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}
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return 0;
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}
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#define _DTV_CMD(n, s, b) \
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[n] = { \
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.name = #n, \
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.cmd = n, \
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.set = s,\
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.buffer = b \
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}
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static struct dtv_cmds_h dtv_cmds[] = {
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[DTV_TUNE] = {
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.name = "DTV_TUNE",
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@@ -949,6 +992,43 @@ static struct dtv_cmds_h dtv_cmds[] = {
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.cmd = DTV_TRANSMISSION_MODE,
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.set = 1,
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},
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_DTV_CMD(DTV_ISDBT_PARTIAL_RECEPTION, 1, 0),
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_DTV_CMD(DTV_ISDBT_SOUND_BROADCASTING, 1, 0),
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_DTV_CMD(DTV_ISDBT_SB_SUBCHANNEL_ID, 1, 0),
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_DTV_CMD(DTV_ISDBT_SB_SEGMENT_IDX, 1, 0),
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_DTV_CMD(DTV_ISDBT_SB_SEGMENT_COUNT, 1, 0),
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_DTV_CMD(DTV_ISDBT_LAYERA_FEC, 1, 0),
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_DTV_CMD(DTV_ISDBT_LAYERA_MODULATION, 1, 0),
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_DTV_CMD(DTV_ISDBT_LAYERA_SEGMENT_COUNT, 1, 0),
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_DTV_CMD(DTV_ISDBT_LAYERA_TIME_INTERLEAVING, 1, 0),
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_DTV_CMD(DTV_ISDBT_LAYERB_FEC, 1, 0),
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_DTV_CMD(DTV_ISDBT_LAYERB_MODULATION, 1, 0),
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_DTV_CMD(DTV_ISDBT_LAYERB_SEGMENT_COUNT, 1, 0),
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_DTV_CMD(DTV_ISDBT_LAYERB_TIME_INTERLEAVING, 1, 0),
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_DTV_CMD(DTV_ISDBT_LAYERC_FEC, 1, 0),
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_DTV_CMD(DTV_ISDBT_LAYERC_MODULATION, 1, 0),
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_DTV_CMD(DTV_ISDBT_LAYERC_SEGMENT_COUNT, 1, 0),
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_DTV_CMD(DTV_ISDBT_LAYERC_TIME_INTERLEAVING, 1, 0),
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_DTV_CMD(DTV_ISDBT_PARTIAL_RECEPTION, 0, 0),
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_DTV_CMD(DTV_ISDBT_SOUND_BROADCASTING, 0, 0),
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_DTV_CMD(DTV_ISDBT_SB_SUBCHANNEL_ID, 0, 0),
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_DTV_CMD(DTV_ISDBT_SB_SEGMENT_IDX, 0, 0),
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_DTV_CMD(DTV_ISDBT_SB_SEGMENT_COUNT, 0, 0),
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_DTV_CMD(DTV_ISDBT_LAYERA_FEC, 0, 0),
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_DTV_CMD(DTV_ISDBT_LAYERA_MODULATION, 0, 0),
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_DTV_CMD(DTV_ISDBT_LAYERA_SEGMENT_COUNT, 0, 0),
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_DTV_CMD(DTV_ISDBT_LAYERA_TIME_INTERLEAVING, 0, 0),
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_DTV_CMD(DTV_ISDBT_LAYERB_FEC, 0, 0),
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_DTV_CMD(DTV_ISDBT_LAYERB_MODULATION, 0, 0),
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_DTV_CMD(DTV_ISDBT_LAYERB_SEGMENT_COUNT, 0, 0),
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_DTV_CMD(DTV_ISDBT_LAYERB_TIME_INTERLEAVING, 0, 0),
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_DTV_CMD(DTV_ISDBT_LAYERC_FEC, 0, 0),
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_DTV_CMD(DTV_ISDBT_LAYERC_MODULATION, 0, 0),
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_DTV_CMD(DTV_ISDBT_LAYERC_SEGMENT_COUNT, 0, 0),
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_DTV_CMD(DTV_ISDBT_LAYERC_TIME_INTERLEAVING, 0, 0),
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/* Get */
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[DTV_DISEQC_SLAVE_REPLY] = {
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.name = "DTV_DISEQC_SLAVE_REPLY",
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@@ -956,6 +1036,7 @@ static struct dtv_cmds_h dtv_cmds[] = {
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.set = 0,
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.buffer = 1,
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},
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[DTV_API_VERSION] = {
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.name = "DTV_API_VERSION",
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.cmd = DTV_API_VERSION,
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@@ -1165,14 +1246,21 @@ static void dtv_property_adv_params_sync(struct dvb_frontend *fe)
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if(c->delivery_system == SYS_ISDBT) {
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/* Fake out a generic DVB-T request so we pass validation in the ioctl */
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p->frequency = c->frequency;
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p->inversion = INVERSION_AUTO;
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p->inversion = c->inversion;
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p->u.ofdm.constellation = QAM_AUTO;
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p->u.ofdm.code_rate_HP = FEC_AUTO;
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p->u.ofdm.code_rate_LP = FEC_AUTO;
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p->u.ofdm.bandwidth = BANDWIDTH_AUTO;
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p->u.ofdm.transmission_mode = TRANSMISSION_MODE_AUTO;
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p->u.ofdm.guard_interval = GUARD_INTERVAL_AUTO;
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p->u.ofdm.hierarchy_information = HIERARCHY_AUTO;
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if (c->bandwidth_hz == 8000000)
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p->u.ofdm.bandwidth = BANDWIDTH_8_MHZ;
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else if (c->bandwidth_hz == 7000000)
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p->u.ofdm.bandwidth = BANDWIDTH_7_MHZ;
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else if (c->bandwidth_hz == 6000000)
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p->u.ofdm.bandwidth = BANDWIDTH_6_MHZ;
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else
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p->u.ofdm.bandwidth = BANDWIDTH_AUTO;
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}
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}
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@@ -1274,6 +1362,59 @@ static int dtv_property_process_get(struct dvb_frontend *fe,
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case DTV_HIERARCHY:
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tvp->u.data = fe->dtv_property_cache.hierarchy;
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break;
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/* ISDB-T Support here */
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case DTV_ISDBT_PARTIAL_RECEPTION:
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tvp->u.data = fe->dtv_property_cache.isdbt_partial_reception;
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break;
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case DTV_ISDBT_SOUND_BROADCASTING:
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tvp->u.data = fe->dtv_property_cache.isdbt_sb_mode;
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break;
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case DTV_ISDBT_SB_SUBCHANNEL_ID:
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tvp->u.data = fe->dtv_property_cache.isdbt_sb_subchannel;
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break;
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case DTV_ISDBT_SB_SEGMENT_IDX:
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tvp->u.data = fe->dtv_property_cache.isdbt_sb_segment_idx;
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break;
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case DTV_ISDBT_SB_SEGMENT_COUNT:
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tvp->u.data = fe->dtv_property_cache.isdbt_sb_segment_count;
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break;
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case DTV_ISDBT_LAYERA_FEC:
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tvp->u.data = fe->dtv_property_cache.layer[0].fec;
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break;
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case DTV_ISDBT_LAYERA_MODULATION:
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tvp->u.data = fe->dtv_property_cache.layer[0].modulation;
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break;
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case DTV_ISDBT_LAYERA_SEGMENT_COUNT:
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tvp->u.data = fe->dtv_property_cache.layer[0].segment_count;
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break;
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case DTV_ISDBT_LAYERA_TIME_INTERLEAVING:
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tvp->u.data = fe->dtv_property_cache.layer[0].interleaving;
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break;
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case DTV_ISDBT_LAYERB_FEC:
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tvp->u.data = fe->dtv_property_cache.layer[1].fec;
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break;
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case DTV_ISDBT_LAYERB_MODULATION:
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tvp->u.data = fe->dtv_property_cache.layer[1].modulation;
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break;
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case DTV_ISDBT_LAYERB_SEGMENT_COUNT:
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tvp->u.data = fe->dtv_property_cache.layer[1].segment_count;
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break;
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case DTV_ISDBT_LAYERB_TIME_INTERLEAVING:
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tvp->u.data = fe->dtv_property_cache.layer[1].interleaving;
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break;
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case DTV_ISDBT_LAYERC_FEC:
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tvp->u.data = fe->dtv_property_cache.layer[2].fec;
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break;
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case DTV_ISDBT_LAYERC_MODULATION:
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tvp->u.data = fe->dtv_property_cache.layer[2].modulation;
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break;
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case DTV_ISDBT_LAYERC_SEGMENT_COUNT:
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tvp->u.data = fe->dtv_property_cache.layer[2].segment_count;
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break;
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case DTV_ISDBT_LAYERC_TIME_INTERLEAVING:
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tvp->u.data = fe->dtv_property_cache.layer[2].interleaving;
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break;
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default:
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r = -1;
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}
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@@ -1302,10 +1443,8 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
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/* Reset a cache of data specific to the frontend here. This does
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* not effect hardware.
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*/
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dvb_frontend_clear_cache(fe);
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dprintk("%s() Flushing property cache\n", __func__);
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memset(&fe->dtv_property_cache, 0, sizeof(struct dtv_frontend_properties));
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fe->dtv_property_cache.state = tvp->cmd;
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fe->dtv_property_cache.delivery_system = SYS_UNDEFINED;
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break;
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case DTV_TUNE:
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/* interpret the cache of data, build either a traditional frontend
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@@ -1371,6 +1510,59 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
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case DTV_HIERARCHY:
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fe->dtv_property_cache.hierarchy = tvp->u.data;
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break;
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/* ISDB-T Support here */
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case DTV_ISDBT_PARTIAL_RECEPTION:
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fe->dtv_property_cache.isdbt_partial_reception = tvp->u.data;
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break;
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case DTV_ISDBT_SOUND_BROADCASTING:
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fe->dtv_property_cache.isdbt_sb_mode = tvp->u.data;
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break;
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case DTV_ISDBT_SB_SUBCHANNEL_ID:
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fe->dtv_property_cache.isdbt_sb_subchannel = tvp->u.data;
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break;
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case DTV_ISDBT_SB_SEGMENT_IDX:
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fe->dtv_property_cache.isdbt_sb_segment_idx = tvp->u.data;
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break;
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case DTV_ISDBT_SB_SEGMENT_COUNT:
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fe->dtv_property_cache.isdbt_sb_segment_count = tvp->u.data;
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break;
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case DTV_ISDBT_LAYERA_FEC:
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fe->dtv_property_cache.layer[0].fec = tvp->u.data;
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break;
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case DTV_ISDBT_LAYERA_MODULATION:
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fe->dtv_property_cache.layer[0].modulation = tvp->u.data;
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break;
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case DTV_ISDBT_LAYERA_SEGMENT_COUNT:
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fe->dtv_property_cache.layer[0].segment_count = tvp->u.data;
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break;
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case DTV_ISDBT_LAYERA_TIME_INTERLEAVING:
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fe->dtv_property_cache.layer[0].interleaving = tvp->u.data;
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break;
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case DTV_ISDBT_LAYERB_FEC:
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fe->dtv_property_cache.layer[1].fec = tvp->u.data;
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break;
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case DTV_ISDBT_LAYERB_MODULATION:
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fe->dtv_property_cache.layer[1].modulation = tvp->u.data;
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break;
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case DTV_ISDBT_LAYERB_SEGMENT_COUNT:
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fe->dtv_property_cache.layer[1].segment_count = tvp->u.data;
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break;
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case DTV_ISDBT_LAYERB_TIME_INTERLEAVING:
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fe->dtv_property_cache.layer[1].interleaving = tvp->u.data;
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break;
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case DTV_ISDBT_LAYERC_FEC:
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fe->dtv_property_cache.layer[2].fec = tvp->u.data;
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break;
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case DTV_ISDBT_LAYERC_MODULATION:
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fe->dtv_property_cache.layer[2].modulation = tvp->u.data;
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break;
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case DTV_ISDBT_LAYERC_SEGMENT_COUNT:
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fe->dtv_property_cache.layer[2].segment_count = tvp->u.data;
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break;
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case DTV_ISDBT_LAYERC_TIME_INTERLEAVING:
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fe->dtv_property_cache.layer[2].interleaving = tvp->u.data;
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break;
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default:
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r = -1;
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}
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