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author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-12-23 01:12:28 +0100 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-12-31 12:17:11 +0100 |
commit | 4e4d2bcf484cd74b75196ea0f352aec1909923f7 (patch) | |
tree | 3c0480a958216c17158b78baf278fba7af493f46 /drivers/media | |
parent | [media] dib9000: get rid of unused dvb_frontend_parameters (diff) | |
download | linux-4e4d2bcf484cd74b75196ea0f352aec1909923f7.tar.xz linux-4e4d2bcf484cd74b75196ea0f352aec1909923f7.zip |
[media] zl10353: 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')
-rw-r--r-- | drivers/media/dvb/frontends/zl10353.c | 113 |
1 files changed, 50 insertions, 63 deletions
diff --git a/drivers/media/dvb/frontends/zl10353.c b/drivers/media/dvb/frontends/zl10353.c index 35334da39016..39c1bdbc1ce3 100644 --- a/drivers/media/dvb/frontends/zl10353.c +++ b/drivers/media/dvb/frontends/zl10353.c @@ -37,9 +37,9 @@ struct zl10353_state { struct zl10353_config config; - enum fe_bandwidth bandwidth; - u32 ucblocks; - u32 frequency; + u32 bandwidth; + u32 ucblocks; + u32 frequency; }; static int debug; @@ -122,30 +122,17 @@ static void zl10353_dump_regs(struct dvb_frontend *fe) } static void zl10353_calc_nominal_rate(struct dvb_frontend *fe, - enum fe_bandwidth bandwidth, + u32 bandwidth, u16 *nominal_rate) { struct zl10353_state *state = fe->demodulator_priv; u32 adc_clock = 450560; /* 45.056 MHz */ u64 value; - u8 bw; + u8 bw = bandwidth / 1000000; if (state->config.adc_clock) adc_clock = state->config.adc_clock; - switch (bandwidth) { - case BANDWIDTH_6_MHZ: - bw = 6; - break; - case BANDWIDTH_7_MHZ: - bw = 7; - break; - case BANDWIDTH_8_MHZ: - default: - bw = 8; - break; - } - value = (u64)10 * (1 << 23) / 7 * 125; value = (bw * value) + adc_clock / 2; do_div(value, adc_clock); @@ -192,16 +179,15 @@ static int zl10353_sleep(struct dvb_frontend *fe) return 0; } -static int zl10353_set_parameters(struct dvb_frontend *fe, - struct dvb_frontend_parameters *param) +static int zl10353_set_parameters(struct dvb_frontend *fe) { + struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct zl10353_state *state = fe->demodulator_priv; u16 nominal_rate, input_freq; u8 pllbuf[6] = { 0x67 }, acq_ctl = 0; u16 tps = 0; - struct dvb_ofdm_parameters *op = ¶m->u.ofdm; - state->frequency = param->frequency; + state->frequency = c->frequency; zl10353_single_write(fe, RESET, 0x80); udelay(200); @@ -211,42 +197,44 @@ static int zl10353_set_parameters(struct dvb_frontend *fe, zl10353_single_write(fe, AGC_TARGET, 0x28); - if (op->transmission_mode != TRANSMISSION_MODE_AUTO) + if (c->transmission_mode != TRANSMISSION_MODE_AUTO) acq_ctl |= (1 << 0); - if (op->guard_interval != GUARD_INTERVAL_AUTO) + if (c->guard_interval != GUARD_INTERVAL_AUTO) acq_ctl |= (1 << 1); zl10353_single_write(fe, ACQ_CTL, acq_ctl); - switch (op->bandwidth) { - case BANDWIDTH_6_MHZ: + switch (c->bandwidth_hz) { + case 6000000: /* These are extrapolated from the 7 and 8MHz values */ zl10353_single_write(fe, MCLK_RATIO, 0x97); zl10353_single_write(fe, 0x64, 0x34); zl10353_single_write(fe, 0xcc, 0xdd); break; - case BANDWIDTH_7_MHZ: + case 7000000: zl10353_single_write(fe, MCLK_RATIO, 0x86); zl10353_single_write(fe, 0x64, 0x35); zl10353_single_write(fe, 0xcc, 0x73); break; - case BANDWIDTH_8_MHZ: default: + c->bandwidth_hz = 8000000; + /* fall though */ + case 8000000: zl10353_single_write(fe, MCLK_RATIO, 0x75); zl10353_single_write(fe, 0x64, 0x36); zl10353_single_write(fe, 0xcc, 0x73); } - zl10353_calc_nominal_rate(fe, op->bandwidth, &nominal_rate); + zl10353_calc_nominal_rate(fe, c->bandwidth_hz, &nominal_rate); zl10353_single_write(fe, TRL_NOMINAL_RATE_1, msb(nominal_rate)); zl10353_single_write(fe, TRL_NOMINAL_RATE_0, lsb(nominal_rate)); - state->bandwidth = op->bandwidth; + state->bandwidth = c->bandwidth_hz; zl10353_calc_input_freq(fe, &input_freq); zl10353_single_write(fe, INPUT_FREQ_1, msb(input_freq)); zl10353_single_write(fe, INPUT_FREQ_0, lsb(input_freq)); /* Hint at TPS settings */ - switch (op->code_rate_HP) { + switch (c->code_rate_HP) { case FEC_2_3: tps |= (1 << 7); break; @@ -266,7 +254,7 @@ static int zl10353_set_parameters(struct dvb_frontend *fe, return -EINVAL; } - switch (op->code_rate_LP) { + switch (c->code_rate_LP) { case FEC_2_3: tps |= (1 << 4); break; @@ -283,14 +271,14 @@ static int zl10353_set_parameters(struct dvb_frontend *fe, case FEC_AUTO: break; case FEC_NONE: - if (op->hierarchy_information == HIERARCHY_AUTO || - op->hierarchy_information == HIERARCHY_NONE) + if (c->hierarchy == HIERARCHY_AUTO || + c->hierarchy == HIERARCHY_NONE) break; default: return -EINVAL; } - switch (op->constellation) { + switch (c->modulation) { case QPSK: break; case QAM_AUTO: @@ -304,7 +292,7 @@ static int zl10353_set_parameters(struct dvb_frontend *fe, return -EINVAL; } - switch (op->transmission_mode) { + switch (c->transmission_mode) { case TRANSMISSION_MODE_2K: case TRANSMISSION_MODE_AUTO: break; @@ -315,7 +303,7 @@ static int zl10353_set_parameters(struct dvb_frontend *fe, return -EINVAL; } - switch (op->guard_interval) { + switch (c->guard_interval) { case GUARD_INTERVAL_1_32: case GUARD_INTERVAL_AUTO: break; @@ -332,7 +320,7 @@ static int zl10353_set_parameters(struct dvb_frontend *fe, return -EINVAL; } - switch (op->hierarchy_information) { + switch (c->hierarchy) { case HIERARCHY_AUTO: case HIERARCHY_NONE: break; @@ -384,10 +372,9 @@ static int zl10353_set_parameters(struct dvb_frontend *fe, } static int zl10353_get_parameters(struct dvb_frontend *fe, - struct dvb_frontend_parameters *param) + struct dtv_frontend_properties *c) { struct zl10353_state *state = fe->demodulator_priv; - struct dvb_ofdm_parameters *op = ¶m->u.ofdm; int s6, s9; u16 tps; static const u8 tps_fec_to_api[8] = { @@ -411,66 +398,66 @@ static int zl10353_get_parameters(struct dvb_frontend *fe, tps = zl10353_read_register(state, TPS_RECEIVED_1) << 8 | zl10353_read_register(state, TPS_RECEIVED_0); - op->code_rate_HP = tps_fec_to_api[(tps >> 7) & 7]; - op->code_rate_LP = tps_fec_to_api[(tps >> 4) & 7]; + c->code_rate_HP = tps_fec_to_api[(tps >> 7) & 7]; + c->code_rate_LP = tps_fec_to_api[(tps >> 4) & 7]; switch ((tps >> 13) & 3) { case 0: - op->constellation = QPSK; + c->modulation = QPSK; break; case 1: - op->constellation = QAM_16; + c->modulation = QAM_16; break; case 2: - op->constellation = QAM_64; + c->modulation = QAM_64; break; default: - op->constellation = QAM_AUTO; + c->modulation = QAM_AUTO; break; } - op->transmission_mode = (tps & 0x01) ? TRANSMISSION_MODE_8K : + c->transmission_mode = (tps & 0x01) ? TRANSMISSION_MODE_8K : TRANSMISSION_MODE_2K; switch ((tps >> 2) & 3) { case 0: - op->guard_interval = GUARD_INTERVAL_1_32; + c->guard_interval = GUARD_INTERVAL_1_32; break; case 1: - op->guard_interval = GUARD_INTERVAL_1_16; + c->guard_interval = GUARD_INTERVAL_1_16; break; case 2: - op->guard_interval = GUARD_INTERVAL_1_8; + c->guard_interval = GUARD_INTERVAL_1_8; break; case 3: - op->guard_interval = GUARD_INTERVAL_1_4; + c->guard_interval = GUARD_INTERVAL_1_4; break; default: - op->guard_interval = GUARD_INTERVAL_AUTO; + c->guard_interval = GUARD_INTERVAL_AUTO; break; } switch ((tps >> 10) & 7) { case 0: - op->hierarchy_information = HIERARCHY_NONE; + c->hierarchy = HIERARCHY_NONE; break; case 1: - op->hierarchy_information = HIERARCHY_1; + c->hierarchy = HIERARCHY_1; break; case 2: - op->hierarchy_information = HIERARCHY_2; + c->hierarchy = HIERARCHY_2; break; case 3: - op->hierarchy_information = HIERARCHY_4; + c->hierarchy = HIERARCHY_4; break; default: - op->hierarchy_information = HIERARCHY_AUTO; + c->hierarchy = HIERARCHY_AUTO; break; } - param->frequency = state->frequency; - op->bandwidth = state->bandwidth; - param->inversion = INVERSION_AUTO; + c->frequency = state->frequency; + c->bandwidth_hz = state->bandwidth; + c->inversion = INVERSION_AUTO; return 0; } @@ -651,7 +638,7 @@ error: } static struct dvb_frontend_ops zl10353_ops = { - + .delsys = { SYS_DVBT }, .info = { .name = "Zarlink ZL10353 DVB-T", .type = FE_OFDM, @@ -675,8 +662,8 @@ static struct dvb_frontend_ops zl10353_ops = { .i2c_gate_ctrl = zl10353_i2c_gate_ctrl, .write = zl10353_write, - .set_frontend_legacy = zl10353_set_parameters, - .get_frontend_legacy = zl10353_get_parameters, + .set_frontend = zl10353_set_parameters, + .get_frontend = zl10353_get_parameters, .get_tune_settings = zl10353_get_tune_settings, .read_status = zl10353_read_status, |