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This commit is contained in:
Ralph Metzler
2016-05-31 16:46:02 +02:00
parent 6975dfdd5a
commit eda007e71a
1 changed files with 274 additions and 2 deletions
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276
frontends/cxd2843.c
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@@ -332,7 +332,7 @@ static inline u32 MulDiv32(u32 a, u32 b, u32 c)
static int read_tps(struct cxd_state *state, u8 *tps)
{
if (state->last_status != 0x1f)
return 0;
return -1;
freeze_regst(state);
readregst_unlocked(state, 0x10, 0x2f, tps, 7);
@@ -340,6 +340,63 @@ static int read_tps(struct cxd_state *state, u8 *tps)
return 0;
}
/* Read DVBT2 OFDM Info */
/* OFDMInfo[0] [5] OFDM_MIXED */
/* OFDMInfo[0] [4] OFDM_MISO */
/* OFDMInfo[0] [2:0] OFDM_FFTSIZE[2:0] */
/* OFDMInfo[1] [6:4] OFDM_GI[2:0] */
/* OFDMInfo[1] [2:0] OFDM_PP[2:0] */
/* OFDMInfo[2] [4] OFDM_BWT_EXT */
/* OFDMInfo[2] [3:0] OFDM_PAPR[3:0] */
/* OFDMInfo[3] [3:0] OFDM_NDSYM[11:8] */
/* OFDMInfo[4] [7:0] OFDM_NDSYM[7:0] */
static int read_t2_ofdm_info(struct cxd_state *state, u8 *ofdm)
{
if (state->last_status != 0x1f)
return -1;
freeze_regst(state);
readregst_unlocked(state, 0x20, 0x5c, ofdm, 5);
unfreeze_regst(state);
return 0;
}
/* Read DVBT2 QAM,
Data PLP
0 [7:0] L1POST_PLP_ID[7:0]
1 [2:0] L1POST_PLP_TYPE[2:0]
2 [4:0] L1POST_PLP_PAYLOAD_TYPE[4:0]
3 [0] L1POST_FF_FLAG
4 [2:0] L1POST_FIRST_RF_IDX[2:0]
5 [7:0] L1POST_FIRST_FRAME_IDX[7:0]
6 [7:0] L1POST_PLP_GROUP_ID[7:0]
7 [2:0] L1POST_PLP_COD[2:0]
8 [2:0] L1POST_PLP_MOD[2:0]
9 [0] L1POST_PLP_ROTATION
10 [1:0] L1POST_PLP_FEC_TYPE[1:0]
11 [1:0] L1POST_PLP_NUM_BLOCKS_MAX[9:8]
12 [7:0] L1POST_PLP_NUM_BLOCKS_MAX[7:0]
13 [7:0] L1POST_FRAME_INTERVAL[7:0]
14 [7:0] L1POST_TIME_IL_LENGTH[7:0]
15 [0] L1POST_TIME_IL_TYPE
16 [0] L1POST_IN_BAND_FLAG
17 [7:0] L1POST_RESERVED_1[15:8]
18 [7:0] L1POST_RESERVED_1[7:0]
19-37 same for common PLP
*/
static int read_t2_tlp_info(struct cxd_state *state, u8 off, u8 count, u8 *tlp)
{
if (state->last_status != 0x1f)
return -1;
freeze_regst(state);
readregst_unlocked(state, 0x22, 0x54 + off, tlp, count);
unfreeze_regst(state);
return 0;
}
static void Active_to_Sleep(struct cxd_state *state)
{
if (state->state <= Sleep)
@@ -1316,6 +1373,12 @@ static int read_status(struct dvb_frontend *fe, fe_status_t *status)
if (rdata & 0x20)
*status |= 0x1f;
}
if (*status == 0x1f && state->FirstTimeLock) {
readregst(state, 0x40, 0x19, &rdata, 1);
rdata &= 0x07;
state->BERScaleMax = ( rdata < 2 ) ? 18 : 19;
state->FirstTimeLock = 0;
}
break;
case ActiveT:
readregst(state, 0x10, 0x10, &rdata, 1);
@@ -1326,6 +1389,16 @@ static int read_status(struct dvb_frontend *fe, fe_status_t *status)
if (rdata & 0x20)
*status |= 0x1f;
}
if (*status == 0x1f && state->FirstTimeLock) {
u8 tps[7];
read_tps(state, tps);
state->BERScaleMax =
(((tps[0] >> 6) & 0x03) < 2 ) ? 17 : 18;
if ((tps[0] & 7) < 2)
state->BERScaleMax--;
state->FirstTimeLock = 0;
}
break;
case ActiveT2:
readregst(state, 0x20, 0x10, &rdata, 1);
@@ -1372,6 +1445,12 @@ static int read_status(struct dvb_frontend *fe, fe_status_t *status)
if (rdata & 0x01)
*status |= 0x18;
}
if (*status == 0x1f && state->FirstTimeLock) {
/* readregst(state, 0x40, 0x19, &rdata, 1); */
/* rdata &= 0x07; */
/* state->BERScaleMax = ( rdata < 2 ) ? 18 : 19; */
state->FirstTimeLock = 0;
}
break;
default:
break;
@@ -1410,8 +1489,44 @@ static int get_ber_t(struct cxd_state *state, u32 *n, u32 *d)
static int get_ber_t2(struct cxd_state *state, u32 *n, u32 *d)
{
u8 BERRegs[4];
u8 Scale;
u8 FECType;
u8 CodeRate;
static const u32 nBCHBitsLookup[2][8] = {
/* R1_2 R3_5 R2_3 R3_4 R4_5 R5_6 R1_3 R2_5 */
{7200, 9720, 10800, 11880, 12600, 13320, 5400, 6480}, /* 16K FEC */
{32400, 38880, 43200, 48600, 51840, 54000, 21600, 25920} /* 64k FEC */
};
*n = 0;
*d = 1;
freeze_regst(state);
readregst(state, 0x24, 0x40, BERRegs, 4);
readregst(state, 0x22, 0x5e, &FECType, 1);
readregst(state, 0x22, 0x5b, &CodeRate, 1);
FECType &= 0x03;
CodeRate &= 0x07;
unfreeze_regst(state);
if (FECType > 1)
return 0;
readregst(state, 0x20, 0x72, &Scale, 1);
Scale &= 0x0F;
if (BERRegs[0] & 0x01) {
state->LastBERNominator = (((u32) BERRegs[1] & 0x3F) << 16) |
(((u32) BERRegs[2]) << 8) | BERRegs[3];
state->LastBERDenominator = nBCHBitsLookup[FECType][CodeRate] << Scale;
if (state->LastBERNominator < 256 &&
Scale < state->BERScaleMax) {
writebitst(state, 0x20, 0x72, Scale + 1, 0x0F);
} else if (state->LastBERNominator > 512 && Scale > 8)
writebitst(state, 0x20, 0x72, Scale - 1, 0x0F);
}
*n = state->LastBERNominator;
*d = state->LastBERDenominator;
return 0;
}
@@ -1508,10 +1623,62 @@ static int read_signal_strength(struct dvb_frontend *fe, u16 *strength)
}
#if 0
+NTSTATUS CCXD2843ER::GetT2PLPIds(DD_T2_PLPIDS* pT2_PLPIDS)
{
NTSTATUS status = STATUS_SUCCESS;
- *pReturned = 0;
+
if( m_DemodState != ActiveT2 ) return STATUS_NOT_IMPLEMENTED;
- if( m_LastLockStatus < TSLock || m_LastLockStatus == Unlock ) return status;
+ if( m_LastLockStatus < TSLock ) return status;
do
{
+ BYTE tmp;
+
CHK_ERROR(FreezeRegsT());
+ CHK_ERROR(ReadRegT(0x20,0x5C,&tmp)); // OFDM Info
+
+ if( tmp & 0x20 ) pT2_PLPIDS->Flags |= DD_T2_PLPIDS_FEF;
+ if( m_T2Profile == T2P_Lite ) pT2_PLPIDS->Flags |= DD_T2_PLPIDS_LITE;
+
+ CHK_ERROR(ReadRegT(0x22,0x54,&tmp));
+ pT2_PLPIDS->PLPID = tmp;
+
+ CHK_ERROR(ReadRegT(0x22,0x54 + 19 + 13,&tmp)); // Interval
+ if( tmp > 0 )
+ {
+ CHK_ERROR(ReadRegT(0x22,0x54 + 19,&tmp));
+ pT2_PLPIDS->CommonPLPID = tmp;
+ }
+
BYTE nPids = 0;
CHK_ERROR(ReadRegT(0x22,0x7F,&nPids));
- pValues[0] = nPids;
- if( nPids >= nValues ) nPids = BYTE(nValues-1);
+ pT2_PLPIDS->NumPLPS = nPids;
+ CHK_ERROR(ReadRegT(0x22,0x80,&pT2_PLPIDS->PLPList[0], nPids > 128 ? 128 : nPids));
- CHK_ERROR(ReadRegT(0x22,0x80,&pValues[1], nPids > 128 ? 128 : nPids));
-
if( nPids > 128 )
{
- CHK_ERROR(ReadRegT(0x23,0x10,&pValues[129], nPids - 128));
+ CHK_ERROR(ReadRegT(0x23,0x10,&pT2_PLPIDS->PLPList[128], nPids - 128));
}
- *pReturned = nPids + 1;
+
}
while(0);
UnFreezeRegsT();
static void GetPLPIds(struct cxd_state *state, u32 nValues,
u8 *Values, u32 *Returned)
{
u8 nPids = 0;
u8 nPids = 0, tmp;
*Returned = 0;
if (state->state != ActiveT2)
@@ -1737,6 +1904,110 @@ static int get_algo(struct dvb_frontend *fe)
return DVBFE_ALGO_HW;
}
static int get_fe_t2(struct cxd_state *state)
{
struct dvb_frontend *fe = &state->frontend;
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
u8 ofdm[5], modcod[2];
freeze_regst(state);
readregst_unlocked(state, 0x20, 0x5c, ofdm, 5);
readregst_unlocked(state, 0x22, 0x5b, &modcod, 2);
unfreeze_regst(state);
switch (modcod[0] & 0x07) {
case 0:
p->fec_inner = FEC_1_2;
break;
case 1:
p->fec_inner = FEC_3_5;
break;
case 2:
p->fec_inner = FEC_2_3;
break;
case 3:
p->fec_inner = FEC_3_4;
break;
case 4:
p->fec_inner = FEC_4_5;
break;
case 5:
p->fec_inner = FEC_5_6;
break;
case 6:
p->fec_inner = FEC_1_3;
break;
case 7:
p->fec_inner = FEC_2_5;
break;
}
switch (modcod[1] & 0x07) {
case 0:
p->modulation = QPSK;
break;
case 1:
p->modulation = QAM_16;
break;
case 2:
p->modulation = QAM_64;
break;
case 3:
p->modulation = QAM_256;
break;
}
switch (ofdm[0] & 0x07) {
case 0:
p->transmission_mode = TRANSMISSION_MODE_2K;
break;
case 1:
p->transmission_mode = TRANSMISSION_MODE_8K;
break;
case 2:
p->transmission_mode = TRANSMISSION_MODE_4K;
break;
case 3:
p->transmission_mode = TRANSMISSION_MODE_1K;
break;
case 4:
p->transmission_mode = TRANSMISSION_MODE_16K;
break;
case 5:
p->transmission_mode = TRANSMISSION_MODE_32K;
break;
case 6:
p->transmission_mode = TRANSMISSION_MODE_64K;
break;
}
switch ((ofdm[1] >> 4) & 0x07) {
case 0:
p->guard_interval = GUARD_INTERVAL_1_32;
break;
case 1:
p->guard_interval = GUARD_INTERVAL_1_16;
break;
case 2:
p->guard_interval = GUARD_INTERVAL_1_8;
break;
case 3:
p->guard_interval = GUARD_INTERVAL_1_4;
break;
case 4:
p->guard_interval = GUARD_INTERVAL_1_128;
break;
case 5:
p->guard_interval = GUARD_INTERVAL_19_128;
break;
case 6:
p->guard_interval = GUARD_INTERVAL_19_256;
break;
}
return 0;
}
static int get_fe_t(struct cxd_state *state)
{
struct dvb_frontend *fe = &state->frontend;
@@ -1864,6 +2135,7 @@ static int get_frontend(struct dvb_frontend *fe)
get_fe_t(state);
break;
case ActiveT2:
get_fe_t2(state);
break;
case ActiveC:
get_fe_c(state);