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path: root/drivers/media/dvb-frontends/stv090x.c
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Diffstat (limited to 'drivers/media/dvb-frontends/stv090x.c')
-rw-r--r--drivers/media/dvb-frontends/stv090x.c196
1 files changed, 105 insertions, 91 deletions
diff --git a/drivers/media/dvb-frontends/stv090x.c b/drivers/media/dvb-frontends/stv090x.c
index 23e872f84742..0b2a934f53e5 100644
--- a/drivers/media/dvb-frontends/stv090x.c
+++ b/drivers/media/dvb-frontends/stv090x.c
@@ -2146,7 +2146,7 @@ static int stv090x_get_coldlock(struct stv090x_state *state, s32 timeout_dmd)
u32 reg;
s32 car_step, steps, cur_step, dir, freq, timeout_lock;
- int lock = 0;
+ int lock;
if (state->srate >= 10000000)
timeout_lock = timeout_dmd / 3;
@@ -2154,98 +2154,96 @@ static int stv090x_get_coldlock(struct stv090x_state *state, s32 timeout_dmd)
timeout_lock = timeout_dmd / 2;
lock = stv090x_get_dmdlock(state, timeout_lock); /* cold start wait */
- if (!lock) {
- if (state->srate >= 10000000) {
- if (stv090x_chk_tmg(state)) {
- if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
- goto err;
- if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
- goto err;
- lock = stv090x_get_dmdlock(state, timeout_dmd);
- } else {
- lock = 0;
- }
- } else {
- if (state->srate <= 4000000)
- car_step = 1000;
- else if (state->srate <= 7000000)
- car_step = 2000;
- else if (state->srate <= 10000000)
- car_step = 3000;
- else
- car_step = 5000;
-
- steps = (state->search_range / 1000) / car_step;
- steps /= 2;
- steps = 2 * (steps + 1);
- if (steps < 0)
- steps = 2;
- else if (steps > 12)
- steps = 12;
-
- cur_step = 1;
- dir = 1;
-
- if (!lock) {
- freq = state->frequency;
- state->tuner_bw = stv090x_car_width(state->srate, state->rolloff) + state->srate;
- while ((cur_step <= steps) && (!lock)) {
- if (dir > 0)
- freq += cur_step * car_step;
- else
- freq -= cur_step * car_step;
-
- /* Setup tuner */
- if (stv090x_i2c_gate_ctrl(state, 1) < 0)
- goto err;
+ if (lock)
+ return lock;
- if (state->config->tuner_set_frequency) {
- if (state->config->tuner_set_frequency(fe, freq) < 0)
- goto err_gateoff;
- }
+ if (state->srate >= 10000000) {
+ if (stv090x_chk_tmg(state)) {
+ if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
+ goto err;
+ return stv090x_get_dmdlock(state, timeout_dmd);
+ }
+ return 0;
+ }
- if (state->config->tuner_set_bandwidth) {
- if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
- goto err_gateoff;
- }
+ if (state->srate <= 4000000)
+ car_step = 1000;
+ else if (state->srate <= 7000000)
+ car_step = 2000;
+ else if (state->srate <= 10000000)
+ car_step = 3000;
+ else
+ car_step = 5000;
- if (stv090x_i2c_gate_ctrl(state, 0) < 0)
- goto err;
+ steps = (state->search_range / 1000) / car_step;
+ steps /= 2;
+ steps = 2 * (steps + 1);
+ if (steps < 0)
+ steps = 2;
+ else if (steps > 12)
+ steps = 12;
- msleep(50);
+ cur_step = 1;
+ dir = 1;
- if (stv090x_i2c_gate_ctrl(state, 1) < 0)
- goto err;
+ freq = state->frequency;
+ state->tuner_bw = stv090x_car_width(state->srate, state->rolloff) + state->srate;
+ while ((cur_step <= steps) && (!lock)) {
+ if (dir > 0)
+ freq += cur_step * car_step;
+ else
+ freq -= cur_step * car_step;
- if (state->config->tuner_get_status) {
- if (state->config->tuner_get_status(fe, &reg) < 0)
- goto err_gateoff;
- }
+ /* Setup tuner */
+ if (stv090x_i2c_gate_ctrl(state, 1) < 0)
+ goto err;
- if (reg)
- dprintk(FE_DEBUG, 1, "Tuner phase locked");
- else
- dprintk(FE_DEBUG, 1, "Tuner unlocked");
+ if (state->config->tuner_set_frequency) {
+ if (state->config->tuner_set_frequency(fe, freq) < 0)
+ goto err_gateoff;
+ }
- if (stv090x_i2c_gate_ctrl(state, 0) < 0)
- goto err;
+ if (state->config->tuner_set_bandwidth) {
+ if (state->config->tuner_set_bandwidth(fe, state->tuner_bw) < 0)
+ goto err_gateoff;
+ }
- STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1c);
- if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0)
- goto err;
- if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0)
- goto err;
- if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
- goto err;
- if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
- goto err;
- lock = stv090x_get_dmdlock(state, (timeout_dmd / 3));
+ if (stv090x_i2c_gate_ctrl(state, 0) < 0)
+ goto err;
- dir *= -1;
- cur_step++;
- }
- }
+ msleep(50);
+
+ if (stv090x_i2c_gate_ctrl(state, 1) < 0)
+ goto err;
+
+ if (state->config->tuner_get_status) {
+ if (state->config->tuner_get_status(fe, &reg) < 0)
+ goto err_gateoff;
}
+
+ if (reg)
+ dprintk(FE_DEBUG, 1, "Tuner phase locked");
+ else
+ dprintk(FE_DEBUG, 1, "Tuner unlocked");
+
+ if (stv090x_i2c_gate_ctrl(state, 0) < 0)
+ goto err;
+
+ STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1c);
+ if (STV090x_WRITE_DEMOD(state, CFRINIT1, 0x00) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, CFRINIT0, 0x00) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x1f) < 0)
+ goto err;
+ if (STV090x_WRITE_DEMOD(state, DMDISTATE, 0x15) < 0)
+ goto err;
+ lock = stv090x_get_dmdlock(state, (timeout_dmd / 3));
+
+ dir *= -1;
+ cur_step++;
}
return lock;
@@ -2663,13 +2661,9 @@ static enum stv090x_signal_state stv090x_get_sig_params(struct stv090x_state *st
return STV090x_RANGEOK;
else if (abs(offst_freq) <= (stv090x_car_width(state->srate, state->rolloff) / 2000))
return STV090x_RANGEOK;
- else
- return STV090x_OUTOFRANGE; /* Out of Range */
} else {
if (abs(offst_freq) <= ((state->search_range / 2000) + 500))
return STV090x_RANGEOK;
- else
- return STV090x_OUTOFRANGE;
}
return STV090x_OUTOFRANGE;
@@ -2789,6 +2783,12 @@ static u8 stv090x_optimize_carloop(struct stv090x_state *state, enum stv090x_mod
aclc = car_loop[i].crl_pilots_off_30;
}
} else { /* 16APSK and 32APSK */
+ /*
+ * This should never happen in practice, except if
+ * something is really wrong at the car_loop table.
+ */
+ if (i >= 11)
+ i = 10;
if (state->srate <= 3000000)
aclc = car_loop_apsk_low[i].crl_pilots_on_2;
else if (state->srate <= 7000000)
@@ -3470,7 +3470,20 @@ static enum dvbfe_search stv090x_search(struct dvb_frontend *fe)
if (props->frequency == 0)
return DVBFE_ALGO_SEARCH_INVALID;
- state->delsys = props->delivery_system;
+ switch (props->delivery_system) {
+ case SYS_DSS:
+ state->delsys = STV090x_DSS;
+ break;
+ case SYS_DVBS:
+ state->delsys = STV090x_DVBS1;
+ break;
+ case SYS_DVBS2:
+ state->delsys = STV090x_DVBS2;
+ break;
+ default:
+ return DVBFE_ALGO_SEARCH_INVALID;
+ }
+
state->frequency = props->frequency;
state->srate = props->symbol_rate;
state->search_mode = STV090x_SEARCH_AUTO;
@@ -4859,8 +4872,8 @@ err:
return -1;
}
-int stv090x_set_gpio(struct dvb_frontend *fe, u8 gpio, u8 dir, u8 value,
- u8 xor_value)
+static int stv090x_set_gpio(struct dvb_frontend *fe, u8 gpio, u8 dir,
+ u8 value, u8 xor_value)
{
struct stv090x_state *state = fe->demodulator_priv;
u8 reg = 0;
@@ -4871,7 +4884,6 @@ int stv090x_set_gpio(struct dvb_frontend *fe, u8 gpio, u8 dir, u8 value,
return stv090x_write_reg(state, STV090x_GPIOxCFG(gpio), reg);
}
-EXPORT_SYMBOL(stv090x_set_gpio);
static struct dvb_frontend_ops stv090x_ops = {
.delsys = { SYS_DVBS, SYS_DVBS2, SYS_DSS },
@@ -4908,7 +4920,7 @@ static struct dvb_frontend_ops stv090x_ops = {
};
-struct dvb_frontend *stv090x_attach(const struct stv090x_config *config,
+struct dvb_frontend *stv090x_attach(struct stv090x_config *config,
struct i2c_adapter *i2c,
enum stv090x_demodulator demod)
{
@@ -4969,6 +4981,8 @@ struct dvb_frontend *stv090x_attach(const struct stv090x_config *config,
if (config->diseqc_envelope_mode)
stv090x_send_diseqc_burst(&state->frontend, SEC_MINI_A);
+ config->set_gpio = stv090x_set_gpio;
+
dprintk(FE_ERROR, 1, "Attaching %s demodulator(%d) Cut=0x%02x",
state->device == STV0900 ? "STV0900" : "STV0903",
demod,
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-07 19:33:11 +0300