[media] siano: add support for ISDB-T full-seg (a51fea4f) · Commits · 戴 / test

drivers/media/common/siano/smsdvb.c

+17 −29

Original line number	Diff line number	Diff line
		@@ -652,6 +652,9 @@ static int smsdvb_isdbt_set_frontend(struct dvb_frontend *fe)
		struct dtv_frontend_properties *c = &fe->dtv_property_cache;
		struct smsdvb_client_t *client =
		container_of(fe, struct smsdvb_client_t, frontend);
		int board_id = smscore_get_board_id(client->coredev);
		struct sms_board *board = sms_get_board(board_id);
		enum sms_device_type_st type = board->type;

		struct {
		struct SmsMsgHdr_ST Msg;
		@@ -669,40 +672,25 @@ static int smsdvb_isdbt_set_frontend(struct dvb_frontend *fe)
		if (c->isdbt_sb_segment_idx == -1)
		c->isdbt_sb_segment_idx = 0;

		switch (c->isdbt_sb_segment_count) {
		case 3:
		Msg.Data[1] = BW_ISDBT_3SEG;
		break;
		case 1:
		Msg.Data[1] = BW_ISDBT_1SEG;
		break;
		case 0: /* AUTO */
		switch (c->bandwidth_hz / 1000000) {
		case 8:
		case 7:
		c->isdbt_sb_segment_count = 3;
		Msg.Data[1] = BW_ISDBT_3SEG;
		break;
		case 6:
		c->isdbt_sb_segment_count = 1;
		Msg.Data[1] = BW_ISDBT_1SEG;
		break;
		default: /* Assumes 6 MHZ bw */
		c->isdbt_sb_segment_count = 1;
		c->bandwidth_hz = 6000;
		Msg.Data[1] = BW_ISDBT_1SEG;
		break;
		}
		break;
		default:
		sms_info("Segment count %d not supported", c->isdbt_sb_segment_count);
		return -EINVAL;
		}
		if (!c->isdbt_layer_enabled)
		c->isdbt_layer_enabled = 7;

		Msg.Data[0] = c->frequency;
		Msg.Data[1] = BW_ISDBT_1SEG;
		Msg.Data[2] = 12000000;
		Msg.Data[3] = c->isdbt_sb_segment_idx;

		if (c->isdbt_partial_reception) {
		if ((type == SMS_PELE \|\| type == SMS_RIO) &&
		c->isdbt_sb_segment_count > 3)
		Msg.Data[1] = BW_ISDBT_13SEG;
		else if (c->isdbt_sb_segment_count > 1)
		Msg.Data[1] = BW_ISDBT_3SEG;
		} else if (type == SMS_PELE \|\| type == SMS_RIO)
		Msg.Data[1] = BW_ISDBT_13SEG;

		c->bandwidth_hz = 6000000;

		sms_info("%s: freq %d segwidth %d segindex %d\n", __func__,
		c->frequency, c->isdbt_sb_segment_count,
		c->isdbt_sb_segment_idx);

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