V4L/DVB (4159): Implement tuning algorithm as a module parameter
Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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@ -38,6 +38,10 @@ static unsigned int dst_addons;
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module_param(dst_addons, int, 0644);
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MODULE_PARM_DESC(dst_addons, "CA daughterboard, default is 0 (No addons)");
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static unsigned int dst_algo;
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module_param(dst_algo, int, 0644);
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MODULE_PARM_DESC(dst_algo, "tuning algo: default is 0=(SW), 1=(HW)");
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#define HAS_LOCK 1
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#define ATTEMPT_TUNE 2
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#define HAS_POWER 4
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@ -1360,7 +1364,36 @@ static int dst_read_snr(struct dvb_frontend *fe, u16 *snr)
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return 0;
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}
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static int dst_set_frontend(struct dvb_frontend* fe,
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static int dst_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
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{
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struct dst_state *state = fe->demodulator_priv;
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if (p != NULL) {
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dst_set_freq(state, p->frequency);
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dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
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if (state->dst_type == DST_TYPE_IS_SAT) {
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if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
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dst_set_inversion(state, p->inversion);
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dst_set_fec(state, p->u.qpsk.fec_inner);
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dst_set_symbolrate(state, p->u.qpsk.symbol_rate);
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dst_set_polarization(state);
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dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->u.qpsk.symbol_rate);
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} else if (state->dst_type == DST_TYPE_IS_TERR)
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dst_set_bandwidth(state, p->u.ofdm.bandwidth);
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else if (state->dst_type == DST_TYPE_IS_CABLE) {
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dst_set_fec(state, p->u.qam.fec_inner);
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dst_set_symbolrate(state, p->u.qam.symbol_rate);
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dst_set_modulation(state, p->u.qam.modulation);
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}
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dst_write_tuna(fe);
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}
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return 0;
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}
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static int dst_tune_frontend(struct dvb_frontend* fe,
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struct dvb_frontend_parameters* p,
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unsigned int mode_flags,
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int *delay,
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@ -1397,6 +1430,11 @@ static int dst_set_frontend(struct dvb_frontend* fe,
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return 0;
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}
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static int dst_get_tuning_algo(struct dvb_frontend *fe)
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{
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return dst_algo;
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}
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static int dst_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
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{
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struct dst_state *state = fe->demodulator_priv;
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@ -1476,7 +1514,8 @@ static struct dvb_frontend_ops dst_dvbt_ops = {
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.release = dst_release,
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.init = dst_init,
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.tune = dst_set_frontend,
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.tune = dst_tune_frontend,
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.set_frontend = dst_set_frontend,
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.get_frontend = dst_get_frontend,
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.read_status = dst_read_status,
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.read_signal_strength = dst_read_signal_strength,
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@ -1500,7 +1539,8 @@ static struct dvb_frontend_ops dst_dvbs_ops = {
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.release = dst_release,
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.init = dst_init,
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.tune = dst_set_frontend,
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.tune = dst_tune_frontend,
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.set_frontend = dst_set_frontend,
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.get_frontend = dst_get_frontend,
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.read_status = dst_read_status,
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.read_signal_strength = dst_read_signal_strength,
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@ -1527,7 +1567,8 @@ static struct dvb_frontend_ops dst_dvbc_ops = {
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.release = dst_release,
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.init = dst_init,
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.tune = dst_set_frontend,
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.tune = dst_tune_frontend,
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.set_frontend = dst_set_frontend,
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.get_frontend = dst_get_frontend,
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.read_status = dst_read_status,
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.read_signal_strength = dst_read_signal_strength,
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@ -1548,7 +1589,8 @@ static struct dvb_frontend_ops dst_atsc_ops = {
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.release = dst_release,
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.init = dst_init,
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.tune = dst_set_frontend,
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.tune = dst_tune_frontend,
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.set_frontend = dst_set_frontend,
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.get_frontend = dst_get_frontend,
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.read_status = dst_read_status,
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.read_signal_strength = dst_read_signal_strength,
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