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[media] drxk: Simplify the DVB-C set mode logic 

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2011-07-10 13:08:44 -03:00
Родитель cf694b141e
Коммит f1b829704c
1 изменённых файлов: 82 добавлений и 85 удалений
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167
drivers/media/dvb/frontends/drxk_hard.c
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@ -1806,57 +1806,59 @@ static int SetOperationMode(struct drxk_state *state,
if (status < 0)
goto error;
if (state->m_OperationMode != oMode) {
switch (state->m_OperationMode) {
/* OM_NONE was added for start up */
case OM_NONE:
break;
case OM_DVBT:
status = MPEGTSStop(state);
if (status < 0)
goto error;
status = PowerDownDVBT(state, true);
if (status < 0)
goto error;
state->m_OperationMode = OM_NONE;
break;
case OM_QAM_ITU_A: /* fallthrough */
case OM_QAM_ITU_C:
status = MPEGTSStop(state);
if (status < 0)
goto error;
status = PowerDownQAM(state);
if (status < 0)
goto error;
state->m_OperationMode = OM_NONE;
break;
case OM_QAM_ITU_B:
default:
status = -EINVAL;
goto error;
}
/* Device is already at the required mode */
if (state->m_OperationMode == oMode)
return 0;
/*
Power up new standard
*/
switch (oMode) {
case OM_DVBT:
state->m_OperationMode = oMode;
status = SetDVBTStandard(state, oMode);
if (status < 0)
goto error;
break;
case OM_QAM_ITU_A: /* fallthrough */
case OM_QAM_ITU_C:
state->m_OperationMode = oMode;
status = SetQAMStandard(state, oMode);
if (status < 0)
goto error;
break;
case OM_QAM_ITU_B:
default:
status = -EINVAL;
}
switch (state->m_OperationMode) {
/* OM_NONE was added for start up */
case OM_NONE:
break;
case OM_DVBT:
status = MPEGTSStop(state);
if (status < 0)
goto error;
status = PowerDownDVBT(state, true);
if (status < 0)
goto error;
state->m_OperationMode = OM_NONE;
break;
case OM_QAM_ITU_A: /* fallthrough */
case OM_QAM_ITU_C:
status = MPEGTSStop(state);
if (status < 0)
goto error;
status = PowerDownQAM(state);
if (status < 0)
goto error;
state->m_OperationMode = OM_NONE;
break;
case OM_QAM_ITU_B:
default:
status = -EINVAL;
goto error;
}
/*
Power up new standard
*/
switch (oMode) {
case OM_DVBT:
state->m_OperationMode = oMode;
status = SetDVBTStandard(state, oMode);
if (status < 0)
goto error;
break;
case OM_QAM_ITU_A: /* fallthrough */
case OM_QAM_ITU_C:
state->m_OperationMode = oMode;
status = SetQAMStandard(state, oMode);
if (status < 0)
goto error;
break;
case OM_QAM_ITU_B:
default:
status = -EINVAL;
}
error:
if (status < 0)
@ -3086,35 +3088,28 @@ static int InitAGC(struct drxk_state *state, bool isDTV)
clpCyclen = 500;
clpSumMax = 1023;
if (IsQAM(state)) {
/* Standard specific settings */
clpSumMin = 8;
clpDirTo = (u16) -9;
clpCtrlMode = 0;
snsSumMin = 8;
snsDirTo = (u16) -9;
kiInnergainMin = (u16) -1030;
} else {
status = -EINVAL;
goto error;
}
if (IsQAM(state)) {
ifIaccuHiTgtMax = 0x2380;
ifIaccuHiTgt = 0x2380;
ingainTgtMin = 0x0511;
ingainTgt = 0x0511;
ingainTgtMax = 5119;
fastClpCtrlDelay =
state->m_qamIfAgcCfg.FastClipCtrlDelay;
} else {
ifIaccuHiTgtMax = 0x1200;
ifIaccuHiTgt = 0x1200;
ingainTgtMin = 13424;
ingainTgt = 13424;
ingainTgtMax = 30000;
fastClpCtrlDelay =
state->m_dvbtIfAgcCfg.FastClipCtrlDelay;
/* AGCInit() not available for DVBT; init done in microcode */
if (!IsQAM(state)) {
printk(KERN_ERR "drxk: %s: mode %d is not DVB-C\n", __func__, state->m_OperationMode);
return -EINVAL;
}
/* FIXME: Analog TV AGC require different settings */
/* Standard specific settings */
clpSumMin = 8;
clpDirTo = (u16) -9;
clpCtrlMode = 0;
snsSumMin = 8;
snsDirTo = (u16) -9;
kiInnergainMin = (u16) -1030;
ifIaccuHiTgtMax = 0x2380;
ifIaccuHiTgt = 0x2380;
ingainTgtMin = 0x0511;
ingainTgt = 0x0511;
ingainTgtMax = 5119;
fastClpCtrlDelay = state->m_qamIfAgcCfg.FastClipCtrlDelay;
status = write16(state, SCU_RAM_AGC_FAST_CLP_CTRL_DELAY__A, fastClpCtrlDelay);
if (status < 0)
goto error;
@ -3238,13 +3233,13 @@ static int InitAGC(struct drxk_state *state, bool isDTV)
status = read16(state, SCU_RAM_AGC_KI__A, &data);
if (status < 0)
goto error;
if (IsQAM(state)) {
data = 0x0657;
data &= ~SCU_RAM_AGC_KI_RF__M;
data |= (DRXK_KI_RAGC_QAM << SCU_RAM_AGC_KI_RF__B);
data &= ~SCU_RAM_AGC_KI_IF__M;
data |= (DRXK_KI_IAGC_QAM << SCU_RAM_AGC_KI_IF__B);
}
data = 0x0657;
data &= ~SCU_RAM_AGC_KI_RF__M;
data |= (DRXK_KI_RAGC_QAM << SCU_RAM_AGC_KI_RF__B);
data &= ~SCU_RAM_AGC_KI_IF__M;
data |= (DRXK_KI_IAGC_QAM << SCU_RAM_AGC_KI_IF__B);
status = write16(state, SCU_RAM_AGC_KI__A, data);
error:
if (status < 0)
@ -5627,6 +5622,8 @@ static int SetQAMStandard(struct drxk_state *state,
#undef DRXK_QAMA_TAPS_SELECT
#endif
dprintk(1, "\n");
/* added antenna switch */
SwitchAntennaToQAM(state);