static int tda18271_tune(struct dvb_frontend *fe,
struct tda18271_std_map_item *map, u32 freq, u32 bw)
{
struct tda18271_priv *priv = fe->tuner_priv;
int ret;
tda_dbg("freq = %d, ifc = %d, bw = %d, agc_mode = %d, std = %d\n",
freq, map->if_freq, bw, map->agc_mode, map->std);
ret = tda18271_agc(fe);
if (tda_fail(ret))
tda_warn("failed to configure agc\n");
ret = tda18271_init(fe);
if (tda_fail(ret))
goto fail;
mutex_lock(&priv->lock);
switch (priv->id) {
case TDA18271HDC1:
tda18271c1_rf_tracking_filter_calibration(fe, freq, bw);
break;
case TDA18271HDC2:
tda18271c2_rf_tracking_filters_correction(fe, freq);
break;
}
ret = tda18271_channel_configuration(fe, map, freq, bw);
mutex_unlock(&priv->lock);
fail:
return ret;
}
static int tda18271_set_config(struct dvb_frontend *fe, void *priv_cfg)
{
struct tda18271_config *cfg = (struct tda18271_config *) priv_cfg;
tda18271_setup_configuration(fe, cfg);
if (tda18271_need_cal_on_startup(cfg))
tda18271_init(fe);
/* override default std map with values in config struct */
if ((cfg) && (cfg->std_map))
tda18271_update_std_map(fe, cfg->std_map);
return 0;
}
struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
struct i2c_adapter *i2c,
struct tda18271_config *cfg)
{
struct tda18271_priv *priv = NULL;
int instance, ret;
mutex_lock(&tda18271_list_mutex);
instance = hybrid_tuner_request_state(struct tda18271_priv, priv,
hybrid_tuner_instance_list,
i2c, addr, "tda18271");
switch (instance) {
case 0:
goto fail;
case 1:
/* new tuner instance */
fe->tuner_priv = priv;
tda18271_setup_configuration(fe, cfg);
priv->cal_initialized = false;
mutex_init(&priv->lock);
ret = tda18271_get_id(fe);
if (tda_fail(ret))
goto fail;
ret = tda18271_assign_map_layout(fe);
if (tda_fail(ret))
goto fail;
/* if delay_cal is set, delay IR & RF calibration until init()
* module option 'cal' overrides this delay */
if ((cfg->delay_cal) && (!tda18271_need_cal_on_startup(cfg)))
break;
mutex_lock(&priv->lock);
tda18271_init_regs(fe);
if ((tda18271_need_cal_on_startup(cfg)) &&
(priv->id == TDA18271HDC2))
tda18271c2_rf_cal_init(fe);
/* enter standby mode, with required output features enabled */
ret = tda18271_toggle_output(fe, 1);
tda_fail(ret);
mutex_unlock(&priv->lock);
break;
default:
/* existing tuner instance */
fe->tuner_priv = priv;
/* allow dvb driver to override configuration settings */
if (cfg) {
if (cfg->gate != TDA18271_GATE_ANALOG)
priv->gate = cfg->gate;
if (cfg->role)
priv->role = cfg->role;
if (cfg->config)
priv->config = cfg->config;
if (cfg->small_i2c)
priv->small_i2c = cfg->small_i2c;
if (cfg->output_opt)
priv->output_opt = cfg->output_opt;
if (cfg->std_map)
tda18271_update_std_map(fe, cfg->std_map);
}
if (tda18271_need_cal_on_startup(cfg))
tda18271_init(fe);
break;
}
/* override default std map with values in config struct */
if ((cfg) && (cfg->std_map))
tda18271_update_std_map(fe, cfg->std_map);
mutex_unlock(&tda18271_list_mutex);
memcpy(&fe->ops.tuner_ops, &tda18271_tuner_ops,
sizeof(struct dvb_tuner_ops));
if (tda18271_debug & (DBG_MAP | DBG_ADV))
tda18271_dump_std_map(fe);
return fe;
fail:
mutex_unlock(&tda18271_list_mutex);
tda18271_release(fe);
return NULL;
}
struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
struct i2c_adapter *i2c,
struct tda18271_config *cfg)
{
struct tda18271_priv *priv = NULL;
int instance, ret;
mutex_lock(&tda18271_list_mutex);
instance = hybrid_tuner_request_state(struct tda18271_priv, priv,
hybrid_tuner_instance_list,
i2c, addr, "tda18271");
switch (instance) {
case 0:
goto fail;
case 1:
/* */
fe->tuner_priv = priv;
tda18271_setup_configuration(fe, cfg);
priv->cal_initialized = false;
mutex_init(&priv->lock);
ret = tda18271_get_id(fe);
if (tda_fail(ret))
goto fail;
ret = tda18271_assign_map_layout(fe);
if (tda_fail(ret))
goto fail;
mutex_lock(&priv->lock);
tda18271_init_regs(fe);
if ((tda18271_need_cal_on_startup(cfg)) &&
(priv->id == TDA18271HDC2))
tda18271c2_rf_cal_init(fe);
mutex_unlock(&priv->lock);
break;
default:
/* */
fe->tuner_priv = priv;
/* */
if (cfg) {
if (cfg->gate != TDA18271_GATE_ANALOG)
priv->gate = cfg->gate;
if (cfg->role)
priv->role = cfg->role;
if (cfg->config)
priv->config = cfg->config;
if (cfg->small_i2c)
priv->small_i2c = cfg->small_i2c;
if (cfg->output_opt)
priv->output_opt = cfg->output_opt;
if (cfg->std_map)
tda18271_update_std_map(fe, cfg->std_map);
}
if (tda18271_need_cal_on_startup(cfg))
tda18271_init(fe);
break;
}
/* */
if ((cfg) && (cfg->std_map))
tda18271_update_std_map(fe, cfg->std_map);
mutex_unlock(&tda18271_list_mutex);
memcpy(&fe->ops.tuner_ops, &tda18271_tuner_ops,
sizeof(struct dvb_tuner_ops));
if (tda18271_debug & (DBG_MAP | DBG_ADV))
tda18271_dump_std_map(fe);
return fe;
fail:
mutex_unlock(&tda18271_list_mutex);
tda18271_release(fe);
return NULL;
}