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https://github.com/DigitalDevices/dddvb.git
synced 2023-10-10 13:37:43 +02:00
add support for DVB-S2 scrambling code and ISI
This commit is contained in:
Ralph Metzler
parent
421adf6872
commit
8908df8098
@ -955,6 +955,7 @@ static int dvb_frontend_clear_cache(struct dvb_frontend *fe)
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}
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c->stream_id = NO_STREAM_ID_FILTER;
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c->scrambling_code = NO_SCRAMBLING_CODE;
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switch (c->delivery_system) {
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case SYS_DVBS:
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@ -1031,6 +1032,7 @@ static struct dtv_cmds_h dtv_cmds[DTV_MAX_COMMAND + 1] = {
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_DTV_CMD(DTV_DVBT2_PLP_ID_LEGACY, 1, 0),
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_DTV_CMD(DTV_LNA, 1, 0),
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_DTV_CMD(DTV_INPUT, 1, 0),
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_DTV_CMD(DTV_SCRAMBLING_CODE, 1, 0),
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/* Get */
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_DTV_CMD(DTV_DISEQC_SLAVE_REPLY, 0, 1),
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@ -1462,6 +1464,10 @@ static int dtv_property_process_get(struct dvb_frontend *fe,
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tvp->u.buffer.len = 4;
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break;
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case DTV_SCRAMBLING_CODE:
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tvp->u.data = c->scrambling_code;
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break;
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/* Fill quality measures */
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case DTV_STAT_SIGNAL_STRENGTH:
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tvp->u.st = c->strength;
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@ -1901,6 +1907,10 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
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r = fe->ops.set_input(fe, c->input);
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break;
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case DTV_SCRAMBLING_CODE:
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c->scrambling_code = tvp->u.data;
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break;
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default:
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return -EINVAL;
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}
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@ -397,6 +397,7 @@ struct dtv_frontend_properties {
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u32 lna;
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s32 input;
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u32 scrambling_code;
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/* statistics data */
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struct dtv_fe_stats strength;
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@ -1234,7 +1234,7 @@ static int set_parameters(struct dvb_frontend *fe)
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fe->ops.tuner_ops.set_params(fe);
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state->bandwidth = fe->dtv_property_cache.bandwidth_hz;
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state->bw = (fe->dtv_property_cache.bandwidth_hz + 999999) / 1000000;
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if (fe->dtv_property_cache.stream_id == 0xffffffff) {
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if (fe->dtv_property_cache.stream_id == NO_STREAM_ID_FILTER) {
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state->DataSliceID = 0xffffffff;
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state->plp = 0xffffffff;
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} else {
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@ -1912,7 +1912,7 @@ static int get_fe_t2(struct cxd_state *state)
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freeze_regst(state);
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readregst_unlocked(state, 0x20, 0x5c, ofdm, 5);
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readregst_unlocked(state, 0x22, 0x5b, &modcod, 2);
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readregst_unlocked(state, 0x22, 0x5b, modcod, 2);
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unfreeze_regst(state);
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switch (modcod[0] & 0x07) {
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@ -128,9 +128,7 @@ struct stv {
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int isVCM;
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u32 CurScramblingCode;
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u32 ForceScramblingCode;
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u32 ScramblingCode;
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u32 DefaultInputStreamID;
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u32 LastBERNumerator;
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u32 LastBERDenominator;
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@ -964,7 +962,6 @@ static int Start(struct stv *state, struct dtv_frontend_properties *p)
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u8 regDMDCFGMD;
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u16 symb;
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u32 ScramblingCode;
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u32 InputStreamID;
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if (p->symbol_rate < 100000 || p->symbol_rate > 70000000)
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return -EINVAL;
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@ -978,24 +975,26 @@ static int Start(struct stv *state, struct dtv_frontend_properties *p)
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init_search_param(state);
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#if 0
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if (state->ForceScramblingCode != (u32) (-1) )
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state->ScramblingCode = state->ForceScramblingCode;
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ScramblingCode = (state->ScramblingCode & 0xFF800000 ) ? DD_PLS_DEFAULT_ROOT : state->ScramblingCode;
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if (p->scrambling_code != NO_SCRAMBLING_CODE)
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ScramblingCode = p->scrambling_code;
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else
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ScramblingCode = 1;
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if (ScramblingCode != state->CurScramblingCode) {
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write_reg(state, RSTV0910_P2_PLROOT0 + state->regoff, ScramblingCode & 0xff);
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write_reg(state, RSTV0910_P2_PLROOT1 + state->regoff, (ScramblingCode >> 8) & 0xff);
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write_reg(state, RSTV0910_P2_PLROOT2 + state->regoff, (ScramblingCode >> 16) & 0xff);
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write_reg(state, RSTV0910_P2_PLROOT0 + state->regoff,
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ScramblingCode & 0xff);
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write_reg(state, RSTV0910_P2_PLROOT1 + state->regoff,
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(ScramblingCode >> 8) & 0xff);
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write_reg(state, RSTV0910_P2_PLROOT2 + state->regoff,
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(ScramblingCode >> 16) & 0x07);
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state->CurScramblingCode = ScramblingCode;
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}
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InputStreamID = (p->stream_id != (u32) -1) ? p->stream_id : state->DefaultInputStreamID;
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if (InputStreamID != (u32) -1) {
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write_reg(state, RSTV0910_P2_ISIENTRY + state->regoff, InputStreamID & 0xff);
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if (p->stream_id != NO_STREAM_ID_FILTER) {
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write_reg(state, RSTV0910_P2_ISIENTRY + state->regoff, p->stream_id & 0xff);
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write_reg(state, RSTV0910_P2_ISIBITENA + state->regoff, 0xff);
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}
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#endif
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if (p->symbol_rate <= 1000000) { /*SR <=1Msps*/
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state->DemodTimeout = 3000;
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state->FecTimeout = 2000;
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@ -1346,7 +1345,6 @@ static int read_ber(struct dvb_frontend *fe, u32 *ber);
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static int read_status(struct dvb_frontend *fe, fe_status_t *status)
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{
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struct stv *state = fe->demodulator_priv;
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struct dtv_frontend_properties *p = &fe->dtv_property_cache;
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u8 DmdState = 0;
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u8 DStatus = 0;
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enum ReceiveMode CurReceiveMode = Mode_None;
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@ -1822,9 +1820,7 @@ struct dvb_frontend *stv0910_attach(struct i2c_adapter *i2c,
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state->SearchRange = 16000000;
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state->DEMOD = 0x10; /* Inversion : Auto with reset to 0 */
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state->ReceiveMode = Mode_None;
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state->CurScramblingCode = (u32) -1;
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state->ForceScramblingCode = (u32) -1;
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state->DefaultInputStreamID = (u32) -1;
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state->CurScramblingCode = NO_SCRAMBLING_CODE;
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base = match_base(i2c, cfg->adr);
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if (base) {
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@ -618,7 +618,6 @@ static struct SLookup Gain_Channel_AGC_IIP3_LookUp[] = {
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{ 1325 , 0xFF00 },
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};
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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static s32 TableLookup(struct SLookup *Table, int TableSize, u16 RegValue)
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{
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@ -379,8 +379,9 @@ struct dvb_frontend_event {
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#define DTV_STAT_TOTAL_BLOCK_COUNT 69
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#define DTV_INPUT 70
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#define DTV_SCRAMBLING_CODE 71
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#define DTV_MAX_COMMAND DTV_INPUT
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#define DTV_MAX_COMMAND DTV_SCRAMBLING_CODE
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typedef enum fe_pilot {
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PILOT_ON,
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@ -455,6 +456,7 @@ enum atscmh_rs_code_mode {
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};
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#define NO_STREAM_ID_FILTER (~0U)
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#define NO_SCRAMBLING_CODE (~0U)
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#define LNA_AUTO (~0U)
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struct dtv_cmds_h {
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@ -50,6 +50,11 @@ struct dvb_nsd_ts {
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__u16 section_id;
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};
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struct dvb_ns_cap {
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__u8 streams_max;
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__u8 reserved[127];
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};
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#define NS_SET_NET _IOW('o', 192, struct dvb_ns_params)
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#define NS_START _IO('o', 193)
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#define NS_STOP _IO('o', 194)
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@ -66,4 +71,6 @@ struct dvb_nsd_ts {
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#define NS_INSERT_PACKETS _IOW('o', 203, __u8)
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#define NS_SET_CI _IOW('o', 204, __u8)
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#define NS_GET_CAP _IOR('o', 204, struct dvb_ns_cap))
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#endif /*_UAPI_DVBNS_H_*/
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