+ exit_condition = 1;
+ for (index_frontend=0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
+ if (dib8000_get_tune_state(state->fe[index_frontend]) != CT_AGC_STOP) {
+ exit_condition = 0;
+ break;
+ }
+ }
+ } while (exit_condition == 0);
+
+ for (index_frontend=0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++)
+ dib8000_set_tune_state(state->fe[index_frontend], CT_DEMOD_START);
+
+ if ((state->fe[0]->dtv_property_cache.delivery_system != SYS_ISDBT) ||
+ (state->fe[0]->dtv_property_cache.inversion == INVERSION_AUTO) ||
+ (state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_AUTO) ||
+ (state->fe[0]->dtv_property_cache.guard_interval == GUARD_INTERVAL_AUTO) ||
+ (((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (1 << 0)) != 0) &&
+ (state->fe[0]->dtv_property_cache.layer[0].segment_count != 0xff) &&
+ (state->fe[0]->dtv_property_cache.layer[0].segment_count != 0) &&
+ ((state->fe[0]->dtv_property_cache.layer[0].modulation == QAM_AUTO) ||
+ (state->fe[0]->dtv_property_cache.layer[0].fec == FEC_AUTO))) ||
+ (((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (1 << 1)) != 0) &&
+ (state->fe[0]->dtv_property_cache.layer[1].segment_count != 0xff) &&
+ (state->fe[0]->dtv_property_cache.layer[1].segment_count != 0) &&
+ ((state->fe[0]->dtv_property_cache.layer[1].modulation == QAM_AUTO) ||
+ (state->fe[0]->dtv_property_cache.layer[1].fec == FEC_AUTO))) ||
+ (((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (1 << 2)) != 0) &&
+ (state->fe[0]->dtv_property_cache.layer[2].segment_count != 0xff) &&
+ (state->fe[0]->dtv_property_cache.layer[2].segment_count != 0) &&
+ ((state->fe[0]->dtv_property_cache.layer[2].modulation == QAM_AUTO) ||
+ (state->fe[0]->dtv_property_cache.layer[2].fec == FEC_AUTO))) ||
+ (((state->fe[0]->dtv_property_cache.layer[0].segment_count == 0) ||
+ ((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (1 << 0)) == 0)) &&
+ ((state->fe[0]->dtv_property_cache.layer[1].segment_count == 0) ||
+ ((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (2 << 0)) == 0)) &&
+ ((state->fe[0]->dtv_property_cache.layer[2].segment_count == 0) || ((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (3 << 0)) == 0)))) {
+ int i = 80000;
+ u8 found = 0;
+ u8 tune_failed = 0;
+
+ for (index_frontend=0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
+ dib8000_set_bandwidth(state->fe[index_frontend], fe->dtv_property_cache.bandwidth_hz / 1000);
+ dib8000_autosearch_start(state->fe[index_frontend]);
+ }
+
+ do {
+ msleep(10);
+ nbr_pending = 0;
+ exit_condition = 0; /* 0: tune pending; 1: tune failed; 2:tune success */
+ for (index_frontend=0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
+ if (((tune_failed >> index_frontend) & 0x1) == 0) {
+ found = dib8000_autosearch_irq(state->fe[index_frontend]);
+ switch (found) {
+ case 0: /* tune pending */
+ nbr_pending++;
+ break;
+ case 2:
+ dprintk("autosearch succeed on the frontend%i", index_frontend);
+ exit_condition = 2;
+ index_frontend_success = index_frontend;
+ break;
+ default:
+ dprintk("unhandled autosearch result");
+ case 1:
+ tune_failed |= (1 << index_frontend);
+ dprintk("autosearch failed for the frontend%i", index_frontend);
+ break;
+ }
+ }
+ }
+
+ /* if all tune are done and no success, exit: tune failed */
+ if ((nbr_pending == 0) && (exit_condition == 0))
+ exit_condition = 1;
+ } while ((exit_condition == 0) && i--);
+
+ if (exit_condition == 1) { /* tune failed */
+ dprintk("tune failed");
+ return 0;
+ }
+
+ dprintk("tune success on frontend%i", index_frontend_success);
+
+ dib8000_get_frontend(fe, fep);
+ }
+
+ for (index_frontend=0, ret=0; (ret >= 0) && (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) {
+ ret = dib8000_tune(state->fe[index_frontend]);