Hi All,
Updated the patch again, keeping in mind all the comments. Thanks to all
who provided feedback to improve it further.
Attached is the latest changes.
Thanks,
Manu
diff -Naurp multiproto3.orig/linux/drivers/media/dvb/dvb-core/dvb_frontend.c multiproto3/linux/drivers/media/dvb/dvb-core/dvb_frontend.c
--- multiproto3.orig/linux/drivers/media/dvb/dvb-core/dvb_frontend.c 2006-04-29 03:22:23.000000000 +0400
+++ multiproto3/linux/drivers/media/dvb/dvb-core/dvb_frontend.c 2006-04-29 21:39:59.000000000 +0400
@@ -94,6 +94,8 @@ struct dvb_frontend_private {
/* thread/frontend values */
struct dvb_device *dvbdev;
struct dvb_frontend_parameters parameters;
+ struct dvb_frontend_params params;
+ struct dvb_frontend_cap caps;
struct dvb_fe_events events;
struct semaphore sem;
struct list_head list_head;
@@ -124,6 +126,62 @@ struct dvb_frontend_private {
unsigned int check_wrapped;
};
+struct modcod_table {
+ __u32 modcod;
+ __u32 modulation;
+ __u32 fecrate;
+};
+
+struct modcod_table dvbs2_modcod_lookup[] = {
+ { FE_MODCOD_DUMMY_PLFRAME, FE_MOD_NONE, FE_FECRATE_NONE },
+ { FE_MODCOD_QPSK_1_4, FE_MOD_QPSK, FE_FECRATE_1_4 },
+ { FE_MODCOD_QPSK_1_3, FE_MOD_QPSK, FE_FECRATE_1_3 },
+ { FE_MODCOD_QPSK_2_5, FE_MOD_QPSK, FE_FECRATE_2_5 },
+ { FE_MODCOD_QPSK_1_2, FE_MOD_QPSK, FE_FECRATE_1_2 },
+ { FE_MODCOD_QPSK_3_5, FE_MOD_QPSK, FE_FECRATE_3_5 },
+ { FE_MODCOD_QPSK_2_3, FE_MOD_QPSK, FE_FECRATE_2_3 },
+ { FE_MODCOD_QPSK_3_4, FE_MOD_QPSK, FE_FECRATE_3_4 },
+ { FE_MODCOD_QPSK_4_5, FE_MOD_QPSK, FE_FECRATE_4_5 },
+ { FE_MODCOD_QPSK_5_6, FE_MOD_QPSK, FE_FECRATE_5_6 },
+ { FE_MODCOD_QPSK_8_9, FE_MOD_QPSK, FE_FECRATE_8_9 },
+ { FE_MODCOD_QPSK_9_10, FE_MOD_QPSK, FE_FECRATE_9_10 },
+ { FE_MODCOD_8PSK_3_5, FE_MOD_8PSK, FE_FECRATE_3_5 },
+ { FE_MODCOD_8PSK_2_3, FE_MOD_8PSK, FE_FECRATE_2_3 },
+ { FE_MODCOD_8PSK_3_4, FE_MOD_8PSK, FE_FECRATE_3_4 },
+ { FE_MODCOD_8PSK_5_6, FE_MOD_8PSK, FE_FECRATE_5_6 },
+ { FE_MODCOD_8PSK_8_9, FE_MOD_8PSK, FE_FECRATE_8_9 },
+ { FE_MODCOD_8PSK_9_10, FE_MOD_8PSK, FE_FECRATE_9_10 },
+ { FE_MODCOD_16APSK_2_3, FE_MOD_16APSK, FE_FECRATE_2_3 },
+ { FE_MODCOD_16APSK_3_4, FE_MOD_16APSK, FE_FECRATE_3_4 },
+ { FE_MODCOD_16APSK_4_5, FE_MOD_16APSK, FE_FECRATE_4_5 },
+ { FE_MODCOD_16APSK_5_6, FE_MOD_16APSK, FE_FECRATE_5_6 },
+ { FE_MODCOD_16APSK_8_9, FE_MOD_16APSK, FE_FECRATE_8_9 },
+ { FE_MODCOD_16APSK_9_10, FE_MOD_16APSK, FE_FECRATE_9_10 },
+ { FE_MODCOD_32APSK_3_4, FE_MOD_32APSK, FE_FECRATE_3_4 },
+ { FE_MODCOD_32APSK_4_5, FE_MOD_32APSK, FE_FECRATE_4_5 },
+ { FE_MODCOD_32APSK_5_6, FE_MOD_32APSK, FE_FECRATE_5_6 },
+ { FE_MODCOD_32APSK_8_9, FE_MOD_32APSK, FE_FECRATE_8_9 },
+ { FE_MODCOD_32APSK_9_10, FE_MOD_32APSK, FE_FECRATE_9_10 },
+ { FE_MODCOD_RESERVED_1, FE_MOD_RSVD, FE_FECRATE_RSVD },
+ { FE_MODCOD_BPSK_1_3, FE_MOD_BPSK, FE_FECRATE_1_3 },
+ { FE_MODCOD_BPSK_1_4, FE_MOD_BPSK, FE_FECRATE_1_4 },
+ { FE_MODCOD_RESERVED_2, FE_MOD_RSVD, FE_FECRATE_RSVD }
+};
+
+int decode_dvbs2_modcod(struct dvb_frontend *fe, enum fe_modcod modcod)
+{
+ struct modcod_table *table = dvbs2_modcod_lookup;
+ struct dvb_frontend_private *fepriv = fe->frontend_priv;
+ struct dvb_frontend_params *params = &fepriv->params;
+
+ table += modcod;
+ params->delsys.dvbs2.modulation = table->modulation;
+ params->delsys.dvbs2.fecrate = table->fecrate;
+
+ return 0;
+}
+EXPORT_SYMBOL(decode_dvbs2_modcod);
+
static void dvb_frontend_wakeup(struct dvb_frontend *fe);
static void dvb_frontend_add_event(struct dvb_frontend *fe, fe_status_t status)
@@ -508,7 +566,7 @@ static int dvb_frontend_thread(void *dat
unsigned long timeout;
char name [15];
fe_status_t s;
- struct dvb_frontend_parameters *params;
+ struct dvb_frontend_params *params;
dprintk("%s\n", __FUNCTION__);
@@ -564,7 +622,7 @@ static int dvb_frontend_thread(void *dat
/* have we been asked to retune? */
params = NULL;
if (fepriv->state & FESTATE_RETUNE) {
- params = &fepriv->parameters;
+ params = &fepriv->params;
fepriv->state = FESTATE_TUNED;
}
@@ -977,6 +1035,24 @@ static int dvb_frontend_ioctl(struct ino
case FE_SET_FRONTEND_TUNE_MODE:
fepriv->tune_mode_flags = (unsigned long) parg;
break;
+
+ case FE_GET_CAPS:
+ if (fe->ops->get_caps) {
+ memcpy(parg, &fepriv->caps, sizeof (struct dvb_frontend_cap));
+ err = fe->ops->get_caps(fe, (struct dvb_frontend_cap*) parg);
+ }
+ break;
+
+ case FE_SET_PARAMS:
+ if (fe->ops->set_params)
+ err = fe->ops->set_params(fe, (struct dvb_frontend_params*) parg);
+ break;
+
+ case FE_GET_PARAMS:
+ if (fe->ops->get_params){
+ memcpy(parg, &fepriv->params, sizeof (struct dvb_frontend_params));
+ err = fe->ops->get_params(fe, (struct dvb_frontend_params*) parg);
+ }
};
up (&fepriv->sem);
diff -Naurp multiproto3.orig/linux/drivers/media/dvb/dvb-core/dvb_frontend.h multiproto3/linux/drivers/media/dvb/dvb-core/dvb_frontend.h
--- multiproto3.orig/linux/drivers/media/dvb/dvb-core/dvb_frontend.h 2006-04-29 03:22:23.000000000 +0400
+++ multiproto3/linux/drivers/media/dvb/dvb-core/dvb_frontend.h 2006-04-29 21:39:56.000000000 +0400
@@ -98,7 +98,7 @@ struct dvb_frontend_ops {
/* if this is set, it overrides the default swzigzag */
int (*tune)(struct dvb_frontend* fe,
- struct dvb_frontend_parameters* params,
+ struct dvb_frontend_params* params,
unsigned int mode_flags,
int *delay,
fe_status_t *status);
@@ -125,6 +125,11 @@ struct dvb_frontend_ops {
int (*dishnetwork_send_legacy_command)(struct dvb_frontend* fe, unsigned long cmd);
int (*i2c_gate_ctrl)(struct dvb_frontend* fe, int enable);
+ /* New callbacks based on the new IOCTL's */
+ int (*get_caps)(struct dvb_frontend* fe, struct dvb_frontend_cap* caps);
+ int (*set_params)(struct dvb_frontend* fe, struct dvb_frontend_params* params);
+ int (*get_params)(struct dvb_frontend* fe, struct dvb_frontend_params* params);
+
struct dvb_tuner_ops tuner_ops;
};
@@ -158,4 +163,6 @@ extern void dvb_frontend_reinitialise(st
extern void dvb_frontend_sleep_until(struct timeval *waketime, u32 add_usec);
extern s32 timeval_usec_diff(struct timeval lasttime, struct timeval curtime);
+extern int decode_dvbs2_modcod(struct dvb_frontend *fe, enum fe_modcod modcod);
+
#endif
diff -Naurp multiproto3.orig/linux/include/linux/dvb/frontend.h multiproto3/linux/include/linux/dvb/frontend.h
--- multiproto3.orig/linux/include/linux/dvb/frontend.h 2006-04-29 03:22:23.000000000 +0400
+++ multiproto3/linux/include/linux/dvb/frontend.h 2006-04-30 01:23:26.000000000 +0400
@@ -249,7 +249,9 @@ struct dvb_frontend_event {
*/
#define FE_TUNE_MODE_ONESHOT 0x01
-
+/**
+ * FE_GET_INFO, is now a legacy IOCTL as well
+ */
#define FE_GET_INFO _IOR('o', 61, struct dvb_frontend_info)
#define FE_DISEQC_RESET_OVERLOAD _IO('o', 62)
@@ -267,6 +269,9 @@ struct dvb_frontend_event {
#define FE_READ_SNR _IOR('o', 72, __u16)
#define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32)
+/**
+ * Legacy IOCTL's
+ */
#define FE_SET_FRONTEND _IOW('o', 76, struct dvb_frontend_parameters)
#define FE_GET_FRONTEND _IOR('o', 77, struct dvb_frontend_parameters)
#define FE_SET_FRONTEND_TUNE_MODE _IO('o', 81) /* unsigned int */
@@ -274,4 +279,477 @@ struct dvb_frontend_event {
#define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */
+/**
+ * New operations for new and multiple delivery systems.
+ *
+ * References:
+ * DVB-S: ISO 13818-1/ITU H.222, EN 300 468
+ * DVB-S2: EN 300 468, EN 301 210, TR 102 376
+ * DVB-C: ISO 13818-1/ITU H.222, EN 300 468, EN 300 429
+ * DVB-T: ISO 13818-1/ITU H.222, EN 300 468, EN 300 744
+ * DVB-H: EN 300 468, EN 302 304
+ */
+
+/**
+ * Supported Delivery systems, some devices
+ * are capable of supporting multiple delivery systems.
+ *
+ * FE_DELSYS_IGNORE, causes the delivery system
+ * not to be queried.
+ *
+ * FE_DELSYS_AUTO, Some devices/drivers, might in
+ * future be capable of detectinng the delivery system.
+ */
+enum fe_delsys {
+ FE_DELSYS_IGNORE = (0 << 0),
+ FE_DELSYS_DVBS = (1 << 0),
+ FE_DELSYS_DVBS2 = (1 << 1),
+ FE_DELSYS_DSS = (1 << 2),
+ FE_DELSYS_DVBC = (1 << 3),
+ FE_DELSYS_DVBT = (1 << 4),
+ FE_DELSYS_DVBH = (1 << 5),
+ FE_DELSYS_ATSC = (1 << 6),
+ FE_DELSYS_AUTO = (1 << 31)
+};
+
+/**
+ * Supported Transport types, some delivery systems
+ * support multiple transports too.
+ *
+ * FE_MATYPE_IGNORE, causes the transport type not
+ * to be queried.
+ *
+ * FE_MATYPE_AUTO, Some devices/drivers, might
+ * support auto detecting the transport type, depending
+ * on some other settings and or hardware features.
+ *
+ * NOTE: This is specified by the DVB-S2 specifications
+ * This change of transport type might require an additional
+ * change at the PCI bridge level, for some implementations.
+ */
+enum fe_matype {
+ FE_MATYPE_IGNORE = (0 << 0),
+ FE_MATYPE_TRANSPORT = (1 << 0),
+ FE_MATYPE_GENERIC_PACKET = (1 << 1),
+ FE_MATYPE_GENERIC_CONTINUOUS = (1 << 2),
+ FE_MATYPE_RESERVED = (1 << 3),
+ FE_MATYPE_AUTO = (1 << 31)
+};
+
+/**
+ * Supported Stream Priorities
+ *
+ * Some delivery systems do have streams having
+ * different priorities. ie, High priority/Low priority.
+ *
+ * NOTE: The default should be the High priority stream.
+ */
+enum fe_stream {
+ FE_STREAM_HP = (1 << 0),
+ FE_STREAM_LP = (1 << 1)
+};
+
+/**
+ * Supported Modulations.
+ * Some devices support multiple modulation types
+ *
+ * FE_MOD_IGNORE, causes the modulation type not
+ * to be queried.
+ *
+ * FE_MOD_AUTO, Some devices/drivers, might support
+ * auto detecting the modulation type, depending on
+ * some other settings and or hardware features.
+ */
+enum fe_modulations {
+ FE_MOD_IGNORE = (0 << 0),
+ FE_MOD_NONE = (1 << 0),
+ FE_MOD_BPSK = (1 << 1),
+ FE_MOD_QPSK = (1 << 2),
+ FE_MOD_OQPSK = (1 << 3),
+ FE_MOD_8PSK = (1 << 4),
+ FE_MOD_16APSK = (1 << 5),
+ FE_MOD_32APSK = (1 << 6),
+ FE_MOD_QAM16 = (1 << 7),
+ FE_MOD_QAM32 = (1 << 8),
+ FE_MOD_QAM64 = (1 << 9),
+ FE_MOD_QAM128 = (1 << 10),
+ FE_MOD_QAM256 = (1 << 11),
+ FE_MOD_OFDM = (1 << 12),
+ FE_MOD_COFDM = (1 << 13),
+ FE_MOD_VSB8 = (1 << 14),
+ FE_MOD_RSVD = (1 << 15),
+ FE_MOD_AUTO = (1 << 31)
+};
+
+/**
+ * Supported FEC (Forward Error Correction) Code rates
+ *
+ * FE_FECRATE_IGNORE, causes the FECRATE type not
+ * to be queried.
+ *
+ * FE_FECRATE_AUTO, Some devices/drivers, might
+ * support auto detecting the FEC code rate type, depending
+ * on some other hardware settings and or hardware features.
+ */
+enum fe_fecrates {
+ FE_FECRATE_IGNORE = (0 << 0),
+ FE_FECRATE_NONE = (1 << 0),
+ FE_FECRATE_1_4 = (1 << 1),
+ FE_FECRATE_1_3 = (1 << 2),
+ FE_FECRATE_2_5 = (1 << 3),
+ FE_FECRATE_1_2 = (1 << 4),
+ FE_FECRATE_3_5 = (1 << 5),
+ FE_FECRATE_2_3 = (1 << 6),
+ FE_FECRATE_3_4 = (1 << 7),
+ FE_FECRATE_4_5 = (1 << 8),
+ FE_FECRATE_5_6 = (1 << 9),
+ FE_FECRATE_6_7 = (1 << 10),
+ FE_FECRATE_7_8 = (1 << 11),
+ FE_FECRATE_8_9 = (1 << 12),
+ FE_FECRATE_9_10 = (1 << 13),
+ FE_FECRATE_RSVD = (1 << 14),
+ FE_FECRATE_AUTO = (1 << 31)
+};
+
+/**
+ * Supported MODCOD types
+ *
+ * The MODCOD types are specific to the DVB-S2 specification
+ * Some devices directly take the MODCOD values as an input
+ * or just output the same.
+ *
+ * In any case a single frontend will not be able to do
+ * multiple modulations/code rates at any given point of time.
+ */
+enum fe_modcod {
+ FE_MODCOD_DUMMY_PLFRAME = 0,
+ FE_MODCOD_QPSK_1_4,
+ FE_MODCOD_QPSK_1_3,
+ FE_MODCOD_QPSK_2_5,
+ FE_MODCOD_QPSK_1_2,
+ FE_MODCOD_QPSK_3_5,
+ FE_MODCOD_QPSK_2_3,
+ FE_MODCOD_QPSK_3_4,
+ FE_MODCOD_QPSK_4_5,
+ FE_MODCOD_QPSK_5_6,
+ FE_MODCOD_QPSK_8_9,
+ FE_MODCOD_QPSK_9_10,
+ FE_MODCOD_8PSK_3_5,
+ FE_MODCOD_8PSK_2_3,
+ FE_MODCOD_8PSK_3_4,
+ FE_MODCOD_8PSK_5_6,
+ FE_MODCOD_8PSK_8_9,
+ FE_MODCOD_8PSK_9_10,
+ FE_MODCOD_16APSK_2_3,
+ FE_MODCOD_16APSK_3_4,
+ FE_MODCOD_16APSK_4_5,
+ FE_MODCOD_16APSK_5_6,
+ FE_MODCOD_16APSK_8_9,
+ FE_MODCOD_16APSK_9_10,
+ FE_MODCOD_32APSK_3_4,
+ FE_MODCOD_32APSK_4_5,
+ FE_MODCOD_32APSK_5_6,
+ FE_MODCOD_32APSK_8_9,
+ FE_MODCOD_32APSK_9_10,
+ FE_MODCOD_RESERVED_1,
+ FE_MODCOD_BPSK_1_3,
+ FE_MODCOD_BPSK_1_4,
+ FE_MODCOD_RESERVED_2
+};
+
+/**
+ * Supported Bandwidth modes
+ *
+ * FE_BANDWIDTH_IGNORE, causes the bandwidth not
+ * to be queried.
+ *
+ * FE_BANDWIDTH_AUTO, Some devices/drivers, might
+ * support auto detecting the Bandwidth, depending
+ * on some other hardware settings and or hardware features.
+ */
+enum fe_bandwidths {
+ FE_BANDWIDTH_IGNORE = (0 << 0),
+ FE_BANDWIDTH_8_MHZ = (1 << 1),
+ FE_BANDWIDTH_7_MHZ = (1 << 2),
+ FE_BANDWIDTH_6_MHZ = (1 << 3),
+ FE_BANDWIDTH_5_MHZ = (1 << 4),
+ FE_BANDWIDTH_RESERVED = (1 << 5),
+ FE_BANDWIDTH_AUTO = (1 << 31)
+};
+
+/**
+ * Supported Inversion modes
+ *
+ * FE_INVERSION_IGNORE, causes the inversion not
+ * to be queried.
+ *
+ * FE_INVERSION_AUTO, Some devices/drivers, might
+ * support auto detecting the Inversion, depending
+ * on some other hardware settings and or hardware features.
+ *
+ * NOTE: All current delivery systems need inversion in some
+ * way or the other, due to hardware implementation specifics.
+ * and/or others.
+ */
+enum fe_inversion {
+ FE_INVERSION_IGNORE = (0 << 0),
+ FE_INVERSION_OFF = (1 << 0),
+ FE_INVERSION_ON = (1 << 1),
+ FE_INVERSION_AUTO = (1 << 31)
+};
+
+/**
+ * Supported Transmission modes
+ *
+ * FE_TRANSMISSION_MODE_IGNORE, causes the transmission mode
+ * not to be queried.
+ *
+ * FE_TRANSMISSION_MODE_AUTO, Some devices/drivers, might
+ * support auto detecting the Transmission Mode, depending
+ * on some other hardware settings and or hardware features.
+ *
+ * NOTE: Currently applies to DVB-T and DVB-H only.
+ */
+enum fe_transmit_modes {
+ FE_TRANSMISSION_MODE_IGNORE = (0 << 0),
+ FE_TRANSMISSION_MODE_2K = (1 << 1),
+ FE_TRANSMISSION_MODE_4K = (1 << 2),
+ FE_TRANSMISSION_MODE_8K = (1 << 3),
+ FE_TRANSMISSION_MODE_RESERVED = (1 << 4),
+ FE_TRANSMISSION_MODE_AUTO = (1 << 31)
+};
+
+/**
+ * Supported Guard Intervals
+ *
+ * FE_GUARD_INTERVAL_IGNORE, causes the guard interval
+ * not to be queried.
+ *
+ * FE_GUARD_INTERVAL_AUTO, Some devices/drivers, might
+ * support auto detecting the Transmission Mode, depending
+ * on some other hardware settings and or hardware features.
+ *
+ * NOTE: Currently applies to DVB-T and DVB-H only.
+ */
+enum fe_guard_intervals {
+ FE_GUARD_INTERVAL_IGNORE = (0 << 0),
+ FE_GUARD_INTERVAL_1_32 = (1 << 1),
+ FE_GUARD_INTERVAL_1_16 = (1 << 2),
+ FE_GUARD_INTERVAL_1_8 = (1 << 3),
+ FE_GUARD_INTERVAL_1_4 = (1 << 4),
+ FE_GUARD_INTERVAL_AUTO = (1 << 31)
+};
+
+/**
+ * Supported Hierarchial Modulations
+ *
+ * FE_HIERARCHY_IGNORE, causes the hierarchy
+ * not to be queried.
+ *
+ * FE_HIERARCHY_AUTO, Some devices/drivers, might
+ * support auto detecting the hierarchial modulation, depending
+ * on some other hardware settings and or hardware features.
+ *
+ * NOTE: Currently applies to DVB-T and DVB-H only.
+ */
+enum fe_hierarchy_info {
+ FE_HIERARCHY_IGNORE = (0 << 0),
+ FE_HIERARCHY_NONE = (1 << 1),
+ FE_HIERARCHY_1 = (1 << 2),
+ FE_HIERARCHY_2 = (1 << 3),
+ FE_HIERARCHY_AUTO = (1 << 31)
+};
+
+/**
+ * Supported MPE-FEC modes
+ *
+ * FE_MPEFEC_IGNORE, causes the mpefec indicator
+ * not to be queried.
+ *
+ * NOTE: MPE-FEC is an indicator according to EN 300 468
+ * Currently applies only to DVB-H.
+ */
+enum fe_mpefec {
+ FE_MPEFEC_IGNORE = (0 << 0),
+ FE_MPEFEC_ON = (1 << 1),
+ FE_MPEFEC_OFF = (1 << 2)
+};
+
+/**
+ * Supported Timeslicing mode
+ *
+ * FE_TIMESLICING_IGNORE, causes the timeslicing indicator
+ * not to be queried.
+ *
+ * NOTE: Timeslicing is an indicator according to EN 300 468
+ * Currently applies only to DVB-H.
+ */
+enum fe_timeslicing {
+ FE_TIMESLICING_IGNORE = (0 << 0),
+ FE_TIMESLICING_ON = (1 << 1),
+ FE_TIMESLICING_OFF = (1 << 2)
+};
+
+/**
+ * DVB-S parameters
+ */
+struct dvbs_params {
+ __u32 symbol_rate;
+
+ enum fe_modulations modulation;
+ enum fe_fecrates fecrate;
+};
+
+/**
+ * DVB-S2 parameters
+ */
+struct dvbs2_params {
+ __u32 symbol_rate;
+
+ enum fe_modulations modulation;
+ enum fe_fecrates fecrate;
+ enum fe_stream streamtype;
+ enum fe_fecrates coderate_HP;
+ enum fe_fecrates coderate_LP;
+};
+
+/**
+ * DSS parameters
+ */
+struct dss_params {
+ __u32 symbol_rate;
+
+ enum fe_modulations modulation;
+ enum fe_fecrates fecrate;
+};
+
+/**
+ * DVB-C parameters
+ */
+struct dvbc_params {
+ __u32 symbol_rate;
+
+ enum fe_modulations modulation;
+ enum fe_fecrates fecrate;
+};
+
+/**
+ * DVB-T parameters
+ */
+struct dvbt_params {
+ enum fe_modulations constellation;
+ enum fe_bandwidths bandwidth;
+ enum fe_fecrates code_rate_HP;
+ enum fe_fecrates code_rate_LP;
+ enum fe_transmit_modes transmission_mode;
+ enum fe_guard_intervals guard_interval;
+ enum fe_hierarchy_info hierarchy;
+};
+
+/**
+ * DVB-H parameters
+ */
+struct dvbh_params {
+ enum fe_modulations constellation;
+ enum fe_bandwidths bandwidth;
+ enum fe_fecrates code_rate_HP;
+ enum fe_fecrates code_rate_LP;
+ enum fe_transmit_modes transmission_mode;
+ enum fe_guard_intervals guard_interval;
+ enum fe_hierarchy_info hierarchy;
+ enum fe_mpefec mpefec;
+ enum fe_timeslicing timeslicing;
+};
+
+/**
+ * ATSC parameters
+ */
+struct atsc_params {
+ enum fe_modulations modulation;
+ enum fe_fecrates fecrate;
+};
+
+/**
+ * Padding to handle future binary compatibility issues.
+ *
+ * NOTE: The padding is a dummy parameter !
+ */
+struct pad_params {
+ __u8 pad[512];
+};
+
+/**
+ * Frontend capability information
+ */
+struct dvb_frontend_cap {
+ char name[128];
+
+ __u32 frequency_min;
+ __u32 frequency_max;
+ __u32 frequency_stepsize;
+ __u32 frequency_tolerance;
+ __u32 symbol_rate_min;
+ __u32 symbol_rate_max;
+ __u32 symbol_rate_tolerance;
+
+ enum fe_delsys delivery;
+ enum fe_inversion inversion;
+
+ union {
+ struct dvbs_params dvbs;
+ struct dvbs2_params dvbs2;
+ struct dss_params dss;
+ struct dvbc_params dvbc;
+ struct dvbt_params dvbt;
+ struct dvbh_params dvbh;
+ struct atsc_params atsc;
+ struct pad_params pad;
+ } delsys;
+};
+
+/**
+ * We have the NEW IOCTL's defined now. This IOCTL
+ * is supposed to handle all the new delivery systems
+ * FE_GET_CAPS, gets all the capabilities in one go.
+ *
+ * For the GET IOCTL's ie FE_GET_PARAMS and FE_GET_CAPS
+ * some of the parameters maybe selectively queried by
+ * setting that relevant parameter to IGNORE.
+ */
+#define FE_GET_CAPS _IOR('o', 84, struct dvb_frontend_cap)
+
+/**
+ * Frontend parameters
+ */
+struct dvb_frontend_params {
+ __u32 frequency;
+
+ enum fe_delsys delivery;
+ enum fe_inversion inversion;
+
+ union {
+ struct dvbs_params dvbs;
+ struct dvbs2_params dvbs2;
+ struct dss_params dss;
+ struct dvbc_params dvbc;
+ struct dvbt_params dvbt;
+ struct dvbh_params dvbh;
+ struct atsc_params atsc;
+ struct pad_params pad;
+ } delsys;
+};
+
+/**
+ * We have the NEW IOCTL's defined now. These IOCTL's
+ * are supposed to handle all the new delivery systems.
+ * FE_SET_PARAMS, sets all the parameters in one go.
+ * FE_GET_PARAMS, gets all the parameters in one go.
+ *
+ * For the GET IOCTL's ie FE_GET_PARAMS and FE_GET_CAPS
+ * some of the parameters maybe selectively queried by
+ * setting that relevant parameter to IGNORE.
+ */
+#define FE_SET_PARAMS _IOW('o', 82, struct dvb_frontend_params)
+#define FE_GET_PARAMS _IOR('o', 83, struct dvb_frontend_params)
+
#endif /*_DVBFRONTEND_H_*/
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