V4L/DVB (9007): S2API: Changed bandwidth to be expressed in HZ

Also added some compat code for the older API.

Added more ISDB message/command suggestions, current not connected in dvb-core.

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/dvb-core/dvb_frontend.c

@@ -773,9 +773,9 @@ struct dtv_cmds_h dtv_cmds[] = {
 		.cmd	= DTV_FREQUENCY,
 		.set	= 1,
 	},
-	[DTV_BANDWIDTH] = {
-		.name	= "DTV_BANDWIDTH",
-		.cmd	= DTV_BANDWIDTH,
+	[DTV_BANDWIDTH_HZ] = {
+		.name	= "DTV_BANDWIDTH_HZ",
+		.cmd	= DTV_BANDWIDTH_HZ,
 		.set	= 1,
 	},
 	[DTV_MODULATION] = {
@@ -954,7 +954,15 @@ void dtv_property_cache_sync(struct dvb_frontend *fe, struct dvb_frontend_parame
 		c->delivery_system = SYS_DVBC_ANNEX_AC;
 		break;
 	case FE_OFDM:
-		c->bandwidth = p->u.ofdm.bandwidth;
+		if (p->u.ofdm.bandwidth == BANDWIDTH_6_MHZ)
+			c->bandwidth_hz = 6000000;
+		else if (p->u.ofdm.bandwidth == BANDWIDTH_7_MHZ)
+			c->bandwidth_hz = 7000000;
+		else if (p->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
+			c->bandwidth_hz = 8000000;
+		else
+			/* Including BANDWIDTH_AUTO */
+			c->bandwidth_hz = 0;
 		c->code_rate_HP = p->u.ofdm.code_rate_HP;
 		c->code_rate_LP = p->u.ofdm.code_rate_LP;
 		c->modulation = p->u.ofdm.constellation;
@@ -1003,7 +1011,14 @@ void dtv_property_legacy_params_sync(struct dvb_frontend *fe)
 		break;
 	case FE_OFDM:
 		printk("%s() Preparing OFDM req\n", __FUNCTION__);
-		p->u.ofdm.bandwidth = c->bandwidth;
+		if (c->bandwidth_hz == 6000000)
+			p->u.ofdm.bandwidth = BANDWIDTH_6_MHZ;
+		else if (c->bandwidth_hz == 7000000)
+			p->u.ofdm.bandwidth = BANDWIDTH_7_MHZ;
+		else if (c->bandwidth_hz == 8000000)
+			p->u.ofdm.bandwidth = BANDWIDTH_8_MHZ;
+		else
+			p->u.ofdm.bandwidth = BANDWIDTH_AUTO;
 		p->u.ofdm.code_rate_HP = c->code_rate_HP;
 		p->u.ofdm.code_rate_LP = c->code_rate_LP;
 		p->u.ofdm.constellation = c->modulation;
@@ -1118,8 +1133,8 @@ int dtv_property_process_get(struct dvb_frontend *fe, struct dtv_property *tvp,
 	case DTV_MODULATION:
 		tvp->u.data = fe->dtv_property_cache.modulation;
 		break;
-	case DTV_BANDWIDTH:
-		tvp->u.data = fe->dtv_property_cache.bandwidth;
+	case DTV_BANDWIDTH_HZ:
+		tvp->u.data = fe->dtv_property_cache.bandwidth_hz;
 		break;
 	case DTV_INVERSION:
 		tvp->u.data = fe->dtv_property_cache.inversion;
@@ -1230,8 +1245,8 @@ int dtv_property_process_set(struct dvb_frontend *fe, struct dtv_property *tvp,
 	case DTV_MODULATION:
 		fe->dtv_property_cache.modulation = tvp->u.data;
 		break;
-	case DTV_BANDWIDTH:
-		fe->dtv_property_cache.bandwidth = tvp->u.data;
+	case DTV_BANDWIDTH_HZ:
+		fe->dtv_property_cache.bandwidth_hz = tvp->u.data;
 		break;
 	case DTV_INVERSION:
 		fe->dtv_property_cache.inversion = tvp->u.data;

drivers/media/dvb/dvb-core/dvb_frontend.h

@@ -198,7 +198,7 @@ struct dtv_frontend_properties {
 	fe_spectral_inversion_t	inversion;
 	fe_code_rate_t		fec_inner;
 	fe_transmit_mode_t	transmission_mode;
-	fe_bandwidth_t		bandwidth;
+	u32			bandwidth_hz;	/* 0 = AUTO */
 	fe_guard_interval_t	guard_interval;
 	fe_hierarchy_t		hierarchy;
 	u32			symbol_rate;

include/linux/dvb/frontend.h

@@ -257,7 +257,12 @@ typedef enum dtv_cmd_types {
 
 	DTV_FREQUENCY,
 	DTV_MODULATION,
-	DTV_BANDWIDTH,
+
+	/* XXX PB: I would like to have field which describes the
+	 * bandwidth of a channel in Hz or kHz - maybe we can remove the
+	 * DTV_BANDWIDTH now and put a compat layer */
+	DTV_BANDWIDTH_HZ,
+
 	DTV_INVERSION,
 	DTV_DISEQC_MASTER,
 	DTV_SYMBOL_RATE,
@@ -276,18 +281,34 @@ typedef enum dtv_cmd_types {
 	/* New commands are always appended */
 	DTV_DELIVERY_SYSTEM,
 
-	/* ISDB-T */
+	/* ISDB */
+	/* maybe a dup of DTV_ISDB_SOUND_BROADCASTING_SUBCHANNEL_ID ??? */
 	DTV_ISDB_SEGMENT_IDX,
-	DTV_ISDB_SEGMENT_WIDTH,
+	DTV_ISDB_SEGMENT_WIDTH, /* 1, 3 or 13 ??? */
+
+	/* the central segment can be received independently or 1/3 seg in SB-mode */
+	DTV_ISDB_PARTIAL_RECEPTION,
+	/* sound broadcasting is used 0 = 13segment, 1 = 1 or 3 see DTV_ISDB_PARTIAL_RECEPTION */
+	DTV_ISDB_SOUND_BROADCASTING,
+
+	/* only used in SB */
+	/* determines the initial PRBS of the segment (to match with 13seg channel) */
+	DTV_ISDB_SOUND_BROADCASTING_SUBCHANNEL_ID,
+
 	DTV_ISDB_LAYERA_FEC,
 	DTV_ISDB_LAYERA_MODULATION,
 	DTV_ISDB_LAYERA_SEGMENT_WIDTH,
+	DTV_ISDB_LAYERA_TIME_INTERLEAVER,
+
 	DTV_ISDB_LAYERB_FEC,
 	DTV_ISDB_LAYERB_MODULATION,
 	DTV_ISDB_LAYERB_SEGMENT_WIDTH,
+	DTV_ISDB_LAYERB_TIME_INTERLEAVING,
+
 	DTV_ISDB_LAYERC_FEC,
 	DTV_ISDB_LAYERC_MODULATION,
 	DTV_ISDB_LAYERC_SEGMENT_WIDTH,
+	DTV_ISDB_LAYERC_TIME_INTERLEAVING,
 
 } dtv_cmd_types_t;