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author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-12-22 19:06:20 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-12-31 09:15:34 -0200 |
commit | c1f814f49904ae5b275407f71aefd3a31c774098 (patch) | |
tree | d6cb68dfbf989b34cbdb071a13792436cc771fa2 /drivers/media/dvb/frontends/dib3000mc.c | |
parent | a73efc05b7fc7686b6333c48732a0ba5777e3726 (diff) | |
download | lwn-c1f814f49904ae5b275407f71aefd3a31c774098.tar.gz lwn-c1f814f49904ae5b275407f71aefd3a31c774098.zip |
[media] dibx000: convert set_fontend to use DVBv5 parameters
Instead of using dvb_frontend_parameters struct, that were
designed for a subset of the supported standards, use the DVBv5
cache information.
Also, fill the supported delivery systems at dvb_frontend_ops
struct.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/frontends/dib3000mc.c')
-rw-r--r-- | drivers/media/dvb/frontends/dib3000mc.c | 131 |
1 files changed, 70 insertions, 61 deletions
diff --git a/drivers/media/dvb/frontends/dib3000mc.c b/drivers/media/dvb/frontends/dib3000mc.c index 7ec0e028984b..7472429e47ae 100644 --- a/drivers/media/dvb/frontends/dib3000mc.c +++ b/drivers/media/dvb/frontends/dib3000mc.c @@ -438,11 +438,14 @@ static void dib3000mc_set_adp_cfg(struct dib3000mc_state *state, s16 qam) dib3000mc_write_word(state, reg, cfg[reg - 129]); } -static void dib3000mc_set_channel_cfg(struct dib3000mc_state *state, struct dvb_frontend_parameters *ch, u16 seq) +static void dib3000mc_set_channel_cfg(struct dib3000mc_state *state, + struct dtv_frontend_properties *ch, u16 seq) { u16 value; - dib3000mc_set_bandwidth(state, BANDWIDTH_TO_KHZ(ch->u.ofdm.bandwidth)); - dib3000mc_set_timing(state, ch->u.ofdm.transmission_mode, BANDWIDTH_TO_KHZ(ch->u.ofdm.bandwidth), 0); + u32 bw = BANDWIDTH_TO_KHZ(ch->bandwidth_hz); + + dib3000mc_set_bandwidth(state, bw); + dib3000mc_set_timing(state, ch->transmission_mode, bw, 0); // if (boost) // dib3000mc_write_word(state, 100, (11 << 6) + 6); @@ -471,22 +474,22 @@ static void dib3000mc_set_channel_cfg(struct dib3000mc_state *state, struct dvb_ dib3000mc_write_word(state, 97,0); dib3000mc_write_word(state, 98,0); - dib3000mc_set_impulse_noise(state, 0, ch->u.ofdm.transmission_mode); + dib3000mc_set_impulse_noise(state, 0, ch->transmission_mode); value = 0; - switch (ch->u.ofdm.transmission_mode) { + switch (ch->transmission_mode) { case TRANSMISSION_MODE_2K: value |= (0 << 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: @@ -502,11 +505,11 @@ static void dib3000mc_set_channel_cfg(struct dib3000mc_state *state, struct dvb_ dib3000mc_write_word(state, 5, (1 << 8) | ((seq & 0xf) << 4)); value = 0; - 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; @@ -517,12 +520,12 @@ static void dib3000mc_set_channel_cfg(struct dib3000mc_state *state, struct dvb_ dib3000mc_write_word(state, 181, value); // diversity synchro delay add 50% SFN margin - switch (ch->u.ofdm.transmission_mode) { + switch (ch->transmission_mode) { case TRANSMISSION_MODE_8K: value = 256; 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; @@ -540,27 +543,28 @@ static void dib3000mc_set_channel_cfg(struct dib3000mc_state *state, struct dvb_ msleep(30); - dib3000mc_set_impulse_noise(state, state->cfg->impulse_noise_mode, ch->u.ofdm.transmission_mode); + dib3000mc_set_impulse_noise(state, state->cfg->impulse_noise_mode, ch->transmission_mode); } -static int dib3000mc_autosearch_start(struct dvb_frontend *demod, struct dvb_frontend_parameters *chan) +static int dib3000mc_autosearch_start(struct dvb_frontend *demod) { + struct dtv_frontend_properties *chan = &demod->dtv_property_cache; struct dib3000mc_state *state = demod->demodulator_priv; u16 reg; // u32 val; - struct dvb_frontend_parameters schan; + struct dtv_frontend_properties schan; schan = *chan; /* TODO what is that ? */ /* a channel for autosearch */ - schan.u.ofdm.transmission_mode = TRANSMISSION_MODE_8K; - schan.u.ofdm.guard_interval = GUARD_INTERVAL_1_32; - schan.u.ofdm.constellation = QAM_64; - schan.u.ofdm.code_rate_HP = FEC_2_3; - schan.u.ofdm.code_rate_LP = FEC_2_3; - schan.u.ofdm.hierarchy_information = 0; + schan.transmission_mode = TRANSMISSION_MODE_8K; + schan.guard_interval = GUARD_INTERVAL_1_32; + schan.modulation = QAM_64; + schan.code_rate_HP = FEC_2_3; + schan.code_rate_LP = FEC_2_3; + schan.hierarchy = 0; dib3000mc_set_channel_cfg(state, &schan, 11); @@ -586,8 +590,9 @@ static int dib3000mc_autosearch_is_irq(struct dvb_frontend *demod) return 0; // still pending } -static int dib3000mc_tune(struct dvb_frontend *demod, struct dvb_frontend_parameters *ch) +static int dib3000mc_tune(struct dvb_frontend *demod) { + struct dtv_frontend_properties *ch = &demod->dtv_property_cache; struct dib3000mc_state *state = demod->demodulator_priv; // ** configure demod ** @@ -603,8 +608,8 @@ static int dib3000mc_tune(struct dvb_frontend *demod, struct dvb_frontend_parame dib3000mc_write_word(state, 108, 0x0000); // P_pha3_force_pha_shift } - dib3000mc_set_adp_cfg(state, (u8)ch->u.ofdm.constellation); - if (ch->u.ofdm.transmission_mode == TRANSMISSION_MODE_8K) { + dib3000mc_set_adp_cfg(state, (u8)ch->modulation); + if (ch->transmission_mode == TRANSMISSION_MODE_8K) { dib3000mc_write_word(state, 26, 38528); dib3000mc_write_word(state, 33, 8); } else { @@ -613,7 +618,8 @@ static int dib3000mc_tune(struct dvb_frontend *demod, struct dvb_frontend_parame } if (dib3000mc_read_word(state, 509) & 0x80) - dib3000mc_set_timing(state, ch->u.ofdm.transmission_mode, BANDWIDTH_TO_KHZ(ch->u.ofdm.bandwidth), 1); + dib3000mc_set_timing(state, ch->transmission_mode, + BANDWIDTH_TO_KHZ(ch->bandwidth_hz), 1); return 0; } @@ -627,70 +633,70 @@ struct i2c_adapter * dib3000mc_get_tuner_i2c_master(struct dvb_frontend *demod, EXPORT_SYMBOL(dib3000mc_get_tuner_i2c_master); static int dib3000mc_get_frontend(struct dvb_frontend* fe, - struct dvb_frontend_parameters *fep) + struct dtv_frontend_properties *fep) { struct dib3000mc_state *state = fe->demodulator_priv; u16 tps = dib3000mc_read_word(state,458); fep->inversion = INVERSION_AUTO; - fep->u.ofdm.bandwidth = state->current_bandwidth; + fep->bandwidth_hz = state->current_bandwidth; switch ((tps >> 8) & 0x1) { - case 0: fep->u.ofdm.transmission_mode = TRANSMISSION_MODE_2K; break; - case 1: fep->u.ofdm.transmission_mode = TRANSMISSION_MODE_8K; break; + case 0: fep->transmission_mode = TRANSMISSION_MODE_2K; break; + case 1: fep->transmission_mode = TRANSMISSION_MODE_8K; 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 >> 13) & 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 >> 12) & 0x1 == hrch is used, (tps >> 9) & 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; } return 0; } -static int dib3000mc_set_frontend(struct dvb_frontend* fe, - struct dvb_frontend_parameters *fep) +static int dib3000mc_set_frontend(struct dvb_frontend *fe) { + struct dtv_frontend_properties *fep = &fe->dtv_property_cache, tmp; struct dib3000mc_state *state = fe->demodulator_priv; - int ret; + int ret; dib3000mc_set_output_mode(state, OUTMODE_HIGH_Z); - state->current_bandwidth = fep->u.ofdm.bandwidth; - dib3000mc_set_bandwidth(state, BANDWIDTH_TO_KHZ(fep->u.ofdm.bandwidth)); + state->current_bandwidth = fep->bandwidth_hz; + dib3000mc_set_bandwidth(state, BANDWIDTH_TO_KHZ(fep->bandwidth_hz)); /* maybe the parameter has been changed */ state->sfn_workaround_active = buggy_sfn_workaround; @@ -700,13 +706,15 @@ static int dib3000mc_set_frontend(struct dvb_frontend* fe, msleep(100); } - 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 = 1000, found; - dib3000mc_autosearch_start(fe, fep); + tmp = *fep; + + dib3000mc_autosearch_start(fe); do { msleep(1); found = dib3000mc_autosearch_is_irq(fe); @@ -716,14 +724,14 @@ static int dib3000mc_set_frontend(struct dvb_frontend* fe, if (found == 0 || found == 1) return 0; // no channel found - dib3000mc_get_frontend(fe, fep); + dib3000mc_get_frontend(fe, &tmp); } - ret = dib3000mc_tune(fe, fep); + ret = dib3000mc_tune(fe); /* make this a config parameter */ dib3000mc_set_output_mode(state, OUTMODE_MPEG2_FIFO); - return ret; + return ret; } static int dib3000mc_read_status(struct dvb_frontend *fe, fe_status_t *stat) @@ -897,6 +905,7 @@ error: EXPORT_SYMBOL(dib3000mc_attach); static struct dvb_frontend_ops dib3000mc_ops = { + .delsys = { SYS_DVBT }, .info = { .name = "DiBcom 3000MC/P", .type = FE_OFDM, @@ -918,9 +927,9 @@ static struct dvb_frontend_ops dib3000mc_ops = { .init = dib3000mc_init, .sleep = dib3000mc_sleep, - .set_frontend_legacy = dib3000mc_set_frontend, + .set_frontend = dib3000mc_set_frontend, .get_tune_settings = dib3000mc_fe_get_tune_settings, - .get_frontend_legacy = dib3000mc_get_frontend, + .get_frontend = dib3000mc_get_frontend, .read_status = dib3000mc_read_status, .read_ber = dib3000mc_read_ber, |