diff options
Diffstat (limited to 'drivers/media/dvb/frontends/dib7000m.c')
-rw-r--r-- | drivers/media/dvb/frontends/dib7000m.c | 136 |
1 files changed, 71 insertions, 65 deletions
diff --git a/drivers/media/dvb/frontends/dib7000m.c b/drivers/media/dvb/frontends/dib7000m.c index dbb76d75c93..148bf79236f 100644 --- a/drivers/media/dvb/frontends/dib7000m.c +++ b/drivers/media/dvb/frontends/dib7000m.c @@ -38,7 +38,7 @@ struct dib7000m_state { u16 wbd_ref; u8 current_band; - fe_bandwidth_t current_bandwidth; + u32 current_bandwidth; struct dibx000_agc_config *current_agc; u32 timf; u32 timf_default; @@ -313,6 +313,9 @@ static int dib7000m_set_bandwidth(struct dib7000m_state *state, u32 bw) { u32 timf; + if (!bw) + bw = 8000; + // store the current bandwidth for later use state->current_bandwidth = bw; @@ -742,8 +745,9 @@ static void dib7000m_update_timf(struct dib7000m_state *state) dprintk( "updated timf_frequency: %d (default: %d)",state->timf, state->timf_default); } -static int dib7000m_agc_startup(struct dvb_frontend *demod, struct dvb_frontend_parameters *ch) +static int dib7000m_agc_startup(struct dvb_frontend *demod) { + struct dtv_frontend_properties *ch = &demod->dtv_property_cache; struct dib7000m_state *state = demod->demodulator_priv; u16 cfg_72 = dib7000m_read_word(state, 72); int ret = -1; @@ -832,28 +836,29 @@ static int dib7000m_agc_startup(struct dvb_frontend *demod, struct dvb_frontend_ return ret; } -static void dib7000m_set_channel(struct dib7000m_state *state, struct dvb_frontend_parameters *ch, u8 seq) +static void dib7000m_set_channel(struct dib7000m_state *state, struct dtv_frontend_properties *ch, + u8 seq) { u16 value, est[4]; - dib7000m_set_bandwidth(state, BANDWIDTH_TO_KHZ(ch->u.ofdm.bandwidth)); + dib7000m_set_bandwidth(state, BANDWIDTH_TO_KHZ(ch->bandwidth_hz)); /* nfft, guard, qam, alpha */ value = 0; - switch (ch->u.ofdm.transmission_mode) { + switch (ch->transmission_mode) { case TRANSMISSION_MODE_2K: value |= (0 << 7); break; case TRANSMISSION_MODE_4K: value |= (2 << 7); break; default: case TRANSMISSION_MODE_8K: value |= (1 << 7); break; } - switch (ch->u.ofdm.guard_interval) { + switch (ch->guard_interval) { case GUARD_INTERVAL_1_32: value |= (0 << 5); break; case GUARD_INTERVAL_1_16: value |= (1 << 5); break; case GUARD_INTERVAL_1_4: value |= (3 << 5); break; default: case GUARD_INTERVAL_1_8: value |= (2 << 5); break; } - switch (ch->u.ofdm.constellation) { + switch (ch->modulation) { case QPSK: value |= (0 << 3); break; case QAM_16: value |= (1 << 3); break; default: @@ -872,11 +877,11 @@ static void dib7000m_set_channel(struct dib7000m_state *state, struct dvb_fronte value = 0; if (1 != 0) value |= (1 << 6); - if (ch->u.ofdm.hierarchy_information == 1) + if (ch->hierarchy == 1) value |= (1 << 4); if (1 == 1) value |= 1; - switch ((ch->u.ofdm.hierarchy_information == 0 || 1 == 1) ? ch->u.ofdm.code_rate_HP : ch->u.ofdm.code_rate_LP) { + switch ((ch->hierarchy == 0 || 1 == 1) ? ch->code_rate_HP : ch->code_rate_LP) { case FEC_2_3: value |= (2 << 1); break; case FEC_3_4: value |= (3 << 1); break; case FEC_5_6: value |= (5 << 1); break; @@ -901,13 +906,13 @@ static void dib7000m_set_channel(struct dib7000m_state *state, struct dvb_fronte dib7000m_write_word(state, 33, (0 << 4) | 0x5); /* P_dvsy_sync_wait */ - switch (ch->u.ofdm.transmission_mode) { + switch (ch->transmission_mode) { case TRANSMISSION_MODE_8K: value = 256; break; case TRANSMISSION_MODE_4K: value = 128; break; case TRANSMISSION_MODE_2K: default: value = 64; break; } - switch (ch->u.ofdm.guard_interval) { + switch (ch->guard_interval) { case GUARD_INTERVAL_1_16: value *= 2; break; case GUARD_INTERVAL_1_8: value *= 4; break; case GUARD_INTERVAL_1_4: value *= 8; break; @@ -925,7 +930,7 @@ static void dib7000m_set_channel(struct dib7000m_state *state, struct dvb_fronte dib7000m_set_diversity_in(&state->demod, state->div_state); /* channel estimation fine configuration */ - switch (ch->u.ofdm.constellation) { + switch (ch->modulation) { case QAM_64: est[0] = 0x0148; /* P_adp_regul_cnt 0.04 */ est[1] = 0xfff0; /* P_adp_noise_cnt -0.002 */ @@ -952,25 +957,26 @@ static void dib7000m_set_channel(struct dib7000m_state *state, struct dvb_fronte dib7000m_set_power_mode(state, DIB7000M_POWER_COR4_DINTLV_ICIRM_EQUAL_CFROD); } -static int dib7000m_autosearch_start(struct dvb_frontend *demod, struct dvb_frontend_parameters *ch) +static int dib7000m_autosearch_start(struct dvb_frontend *demod) { + struct dtv_frontend_properties *ch = &demod->dtv_property_cache; struct dib7000m_state *state = demod->demodulator_priv; - struct dvb_frontend_parameters schan; + struct dtv_frontend_properties schan; int ret = 0; u32 value, factor; schan = *ch; - schan.u.ofdm.constellation = QAM_64; - schan.u.ofdm.guard_interval = GUARD_INTERVAL_1_32; - schan.u.ofdm.transmission_mode = TRANSMISSION_MODE_8K; - schan.u.ofdm.code_rate_HP = FEC_2_3; - schan.u.ofdm.code_rate_LP = FEC_3_4; - schan.u.ofdm.hierarchy_information = 0; + schan.modulation = QAM_64; + schan.guard_interval = GUARD_INTERVAL_1_32; + schan.transmission_mode = TRANSMISSION_MODE_8K; + schan.code_rate_HP = FEC_2_3; + schan.code_rate_LP = FEC_3_4; + schan.hierarchy = 0; dib7000m_set_channel(state, &schan, 7); - factor = BANDWIDTH_TO_KHZ(ch->u.ofdm.bandwidth); + factor = BANDWIDTH_TO_KHZ(schan.bandwidth_hz); if (factor >= 5000) factor = 1; else @@ -1027,8 +1033,9 @@ static int dib7000m_autosearch_is_irq(struct dvb_frontend *demod) return dib7000m_autosearch_irq(state, 537); } -static int dib7000m_tune(struct dvb_frontend *demod, struct dvb_frontend_parameters *ch) +static int dib7000m_tune(struct dvb_frontend *demod) { + struct dtv_frontend_properties *ch = &demod->dtv_property_cache; struct dib7000m_state *state = demod->demodulator_priv; int ret = 0; u16 value; @@ -1055,7 +1062,7 @@ static int dib7000m_tune(struct dvb_frontend *demod, struct dvb_frontend_paramet //dump_reg(state); /* P_timf_alpha, P_corm_alpha=6, P_corm_thres=0x80 */ value = (6 << 8) | 0x80; - switch (ch->u.ofdm.transmission_mode) { + switch (ch->transmission_mode) { case TRANSMISSION_MODE_2K: value |= (7 << 12); break; case TRANSMISSION_MODE_4K: value |= (8 << 12); break; default: @@ -1065,7 +1072,7 @@ static int dib7000m_tune(struct dvb_frontend *demod, struct dvb_frontend_paramet /* P_ctrl_freeze_pha_shift=0, P_ctrl_pha_off_max */ value = (0 << 4); - switch (ch->u.ofdm.transmission_mode) { + switch (ch->transmission_mode) { case TRANSMISSION_MODE_2K: value |= 0x6; break; case TRANSMISSION_MODE_4K: value |= 0x7; break; default: @@ -1075,7 +1082,7 @@ static int dib7000m_tune(struct dvb_frontend *demod, struct dvb_frontend_paramet /* P_ctrl_sfreq_inh=0, P_ctrl_sfreq_step */ value = (0 << 4); - switch (ch->u.ofdm.transmission_mode) { + switch (ch->transmission_mode) { case TRANSMISSION_MODE_2K: value |= 0x6; break; case TRANSMISSION_MODE_4K: value |= 0x7; break; default: @@ -1087,7 +1094,7 @@ static int dib7000m_tune(struct dvb_frontend *demod, struct dvb_frontend_paramet if ((dib7000m_read_word(state, 535) >> 6) & 0x1) dib7000m_update_timf(state); - dib7000m_set_bandwidth(state, BANDWIDTH_TO_KHZ(ch->u.ofdm.bandwidth)); + dib7000m_set_bandwidth(state, BANDWIDTH_TO_KHZ(ch->bandwidth_hz)); return ret; } @@ -1147,57 +1154,57 @@ static int dib7000m_identify(struct dib7000m_state *state) } -static int dib7000m_get_frontend(struct dvb_frontend* fe, - struct dvb_frontend_parameters *fep) +static int dib7000m_get_frontend(struct dvb_frontend* fe) { + struct dtv_frontend_properties *fep = &fe->dtv_property_cache; struct dib7000m_state *state = fe->demodulator_priv; u16 tps = dib7000m_read_word(state,480); fep->inversion = INVERSION_AUTO; - fep->u.ofdm.bandwidth = state->current_bandwidth; + fep->bandwidth_hz = BANDWIDTH_TO_HZ(state->current_bandwidth); switch ((tps >> 8) & 0x3) { - case 0: fep->u.ofdm.transmission_mode = TRANSMISSION_MODE_2K; break; - case 1: fep->u.ofdm.transmission_mode = TRANSMISSION_MODE_8K; break; - /* case 2: fep->u.ofdm.transmission_mode = TRANSMISSION_MODE_4K; break; */ + case 0: fep->transmission_mode = TRANSMISSION_MODE_2K; break; + case 1: fep->transmission_mode = TRANSMISSION_MODE_8K; break; + /* case 2: fep->transmission_mode = TRANSMISSION_MODE_4K; break; */ } switch (tps & 0x3) { - case 0: fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_32; break; - case 1: fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_16; break; - case 2: fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_8; break; - case 3: fep->u.ofdm.guard_interval = GUARD_INTERVAL_1_4; break; + case 0: fep->guard_interval = GUARD_INTERVAL_1_32; break; + case 1: fep->guard_interval = GUARD_INTERVAL_1_16; break; + case 2: fep->guard_interval = GUARD_INTERVAL_1_8; break; + case 3: fep->guard_interval = GUARD_INTERVAL_1_4; break; } switch ((tps >> 14) & 0x3) { - case 0: fep->u.ofdm.constellation = QPSK; break; - case 1: fep->u.ofdm.constellation = QAM_16; break; + case 0: fep->modulation = QPSK; break; + case 1: fep->modulation = QAM_16; break; case 2: - default: fep->u.ofdm.constellation = QAM_64; break; + default: fep->modulation = QAM_64; break; } /* as long as the frontend_param structure is fixed for hierarchical transmission I refuse to use it */ /* (tps >> 13) & 0x1 == hrch is used, (tps >> 10) & 0x7 == alpha */ - fep->u.ofdm.hierarchy_information = HIERARCHY_NONE; + fep->hierarchy = HIERARCHY_NONE; switch ((tps >> 5) & 0x7) { - case 1: fep->u.ofdm.code_rate_HP = FEC_1_2; break; - case 2: fep->u.ofdm.code_rate_HP = FEC_2_3; break; - case 3: fep->u.ofdm.code_rate_HP = FEC_3_4; break; - case 5: fep->u.ofdm.code_rate_HP = FEC_5_6; break; + case 1: fep->code_rate_HP = FEC_1_2; break; + case 2: fep->code_rate_HP = FEC_2_3; break; + case 3: fep->code_rate_HP = FEC_3_4; break; + case 5: fep->code_rate_HP = FEC_5_6; break; case 7: - default: fep->u.ofdm.code_rate_HP = FEC_7_8; break; + default: fep->code_rate_HP = FEC_7_8; break; } switch ((tps >> 2) & 0x7) { - case 1: fep->u.ofdm.code_rate_LP = FEC_1_2; break; - case 2: fep->u.ofdm.code_rate_LP = FEC_2_3; break; - case 3: fep->u.ofdm.code_rate_LP = FEC_3_4; break; - case 5: fep->u.ofdm.code_rate_LP = FEC_5_6; break; + case 1: fep->code_rate_LP = FEC_1_2; break; + case 2: fep->code_rate_LP = FEC_2_3; break; + case 3: fep->code_rate_LP = FEC_3_4; break; + case 5: fep->code_rate_LP = FEC_5_6; break; case 7: - default: fep->u.ofdm.code_rate_LP = FEC_7_8; break; + default: fep->code_rate_LP = FEC_7_8; break; } /* native interleaver: (dib7000m_read_word(state, 481) >> 5) & 0x1 */ @@ -1205,35 +1212,34 @@ static int dib7000m_get_frontend(struct dvb_frontend* fe, return 0; } -static int dib7000m_set_frontend(struct dvb_frontend* fe, - struct dvb_frontend_parameters *fep) +static int dib7000m_set_frontend(struct dvb_frontend *fe) { + struct dtv_frontend_properties *fep = &fe->dtv_property_cache; struct dib7000m_state *state = fe->demodulator_priv; int time, ret; - dib7000m_set_output_mode(state, OUTMODE_HIGH_Z); + dib7000m_set_output_mode(state, OUTMODE_HIGH_Z); - state->current_bandwidth = fep->u.ofdm.bandwidth; - dib7000m_set_bandwidth(state, BANDWIDTH_TO_KHZ(fep->u.ofdm.bandwidth)); + dib7000m_set_bandwidth(state, BANDWIDTH_TO_KHZ(fep->bandwidth_hz)); if (fe->ops.tuner_ops.set_params) - fe->ops.tuner_ops.set_params(fe, fep); + fe->ops.tuner_ops.set_params(fe); /* start up the AGC */ state->agc_state = 0; do { - time = dib7000m_agc_startup(fe, fep); + time = dib7000m_agc_startup(fe); if (time != -1) msleep(time); } while (time != -1); - if (fep->u.ofdm.transmission_mode == TRANSMISSION_MODE_AUTO || - fep->u.ofdm.guard_interval == GUARD_INTERVAL_AUTO || - fep->u.ofdm.constellation == QAM_AUTO || - fep->u.ofdm.code_rate_HP == FEC_AUTO) { + if (fep->transmission_mode == TRANSMISSION_MODE_AUTO || + fep->guard_interval == GUARD_INTERVAL_AUTO || + fep->modulation == QAM_AUTO || + fep->code_rate_HP == FEC_AUTO) { int i = 800, found; - dib7000m_autosearch_start(fe, fep); + dib7000m_autosearch_start(fe); do { msleep(1); found = dib7000m_autosearch_is_irq(fe); @@ -1243,10 +1249,10 @@ static int dib7000m_set_frontend(struct dvb_frontend* fe, if (found == 0 || found == 1) return 0; // no channel found - dib7000m_get_frontend(fe, fep); + dib7000m_get_frontend(fe); } - ret = dib7000m_tune(fe, fep); + ret = dib7000m_tune(fe); /* make this a config parameter */ dib7000m_set_output_mode(state, OUTMODE_MPEG2_FIFO); @@ -1430,9 +1436,9 @@ error: EXPORT_SYMBOL(dib7000m_attach); static struct dvb_frontend_ops dib7000m_ops = { + .delsys = { SYS_DVBT }, .info = { .name = "DiBcom 7000MA/MB/PA/PB/MC", - .type = FE_OFDM, .frequency_min = 44250000, .frequency_max = 867250000, .frequency_stepsize = 62500, |