diff options
| -rw-r--r-- | drivers/media/dvb/dvb-core/dvb_frontend.c | 571 | ||||
| -rw-r--r-- | drivers/media/dvb/dvb-core/dvb_frontend.h | 44 | ||||
| -rw-r--r-- | include/linux/dvb/frontend.h | 130 |
3 files changed, 737 insertions, 8 deletions
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 3526e3ee9487..e68974b2fee9 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -755,6 +755,535 @@ static int dvb_frontend_check_parameters(struct dvb_frontend *fe, return 0; } +struct tv_cmds_h tv_cmds[] = { + [TV_SEQ_UNDEFINED] = { + .name = "TV_SEQ_UNDEFINED", + .cmd = TV_SEQ_UNDEFINED, + .set = 1, + }, + [TV_SEQ_START] = { + .name = "TV_SEQ_START", + .cmd = TV_SEQ_START, + .set = 1, + }, + [TV_SEQ_CONTINUE] = { + .name = "TV_SEQ_CONTINUE", + .cmd = TV_SEQ_CONTINUE, + .set = 1, + }, + [TV_SEQ_COMPLETE] = { + .name = "TV_SEQ_COMPLETE", + .cmd = TV_SEQ_COMPLETE, + .set = 1, + }, + [TV_SEQ_TERMINATE] = { + .name = "TV_SEQ_TERMINATE", + .cmd = TV_SEQ_TERMINATE, + .set = 1, + }, + + /* Set */ + [TV_SET_FREQUENCY] = { + .name = "TV_SET_FREQUENCY", + .cmd = TV_SET_FREQUENCY, + .set = 1, + }, + [TV_SET_BANDWIDTH] = { + .name = "TV_SET_BANDWIDTH", + .cmd = TV_SET_BANDWIDTH, + .set = 1, + }, + [TV_SET_MODULATION] = { + .name = "TV_SET_MODULATION", + .cmd = TV_SET_MODULATION, + .set = 1, + }, + [TV_SET_INVERSION] = { + .name = "TV_SET_INVERSION", + .cmd = TV_SET_INVERSION, + .set = 1, + }, + [TV_SET_DISEQC_MASTER] = { + .name = "TV_SET_DISEQC_MASTER", + .cmd = TV_SET_DISEQC_MASTER, + .set = 1, + .buffer = 1, + }, + [TV_SET_SYMBOLRATE] = { + .name = "TV_SET_SYMBOLRATE", + .cmd = TV_SET_SYMBOLRATE, + .set = 1, + }, + [TV_SET_INNERFEC] = { + .name = "TV_SET_INNERFEC", + .cmd = TV_SET_INNERFEC, + .set = 1, + }, + [TV_SET_VOLTAGE] = { + .name = "TV_SET_VOLTAGE", + .cmd = TV_SET_VOLTAGE, + .set = 1, + }, + [TV_SET_TONE] = { + .name = "TV_SET_TONE", + .cmd = TV_SET_TONE, + .set = 1, + }, + [TV_SET_PILOT] = { + .name = "TV_SET_PILOT", + .cmd = TV_SET_PILOT, + .set = 1, + }, + [TV_SET_ROLLOFF] = { + .name = "TV_SET_ROLLOFF", + .cmd = TV_SET_ROLLOFF, + .set = 1, + }, + [TV_SET_DELIVERY_SYSTEM] = { + .name = "TV_SET_DELIVERY_SYSTEM", + .cmd = TV_SET_DELIVERY_SYSTEM, + .set = 1, + }, + [TV_SET_ISDB_SEGMENT_NUM] = { + .name = "TV_SET_ISDB_SEGMENT_NUM", + .cmd = TV_SET_ISDB_SEGMENT_NUM, + .set = 1, + }, + [TV_SET_ISDB_SEGMENT_WIDTH] = { + .name = "TV_SET_ISDB_SEGMENT_WIDTH", + .cmd = TV_SET_ISDB_SEGMENT_WIDTH, + .set = 1, + }, + + /* Get */ + [TV_GET_FREQUENCY] = { + .name = "TV_GET_FREQUENCY", + .cmd = TV_GET_FREQUENCY, + .set = 0, + }, + [TV_GET_BANDWIDTH] = { + .name = "TV_GET_BANDWIDTH", + .cmd = TV_GET_BANDWIDTH, + .set = 0, + }, + [TV_GET_MODULATION] = { + .name = "TV_GET_MODULATION", + .cmd = TV_GET_MODULATION, + .set = 0, + }, + [TV_GET_INVERSION] = { + .name = "TV_GET_INVERSION", + .cmd = TV_GET_INVERSION, + .set = 0, + }, + [TV_GET_DISEQC_SLAVE_REPLY] = { + .name = "TV_GET_DISEQC_SLAVE_REPLY", + .cmd = TV_GET_DISEQC_SLAVE_REPLY, + .set = 0, + .buffer = 1, + }, + [TV_GET_SYMBOLRATE] = { + .name = "TV_GET_SYMBOLRATE", + .cmd = TV_GET_SYMBOLRATE, + .set = 0, + }, + [TV_GET_INNERFEC] = { + .name = "TV_GET_INNERFEC", + .cmd = TV_GET_INNERFEC, + .set = 0, + }, + [TV_GET_VOLTAGE] = { + .name = "TV_GET_VOLTAGE", + .cmd = TV_GET_VOLTAGE, + .set = 0, + }, + [TV_GET_TONE] = { + .name = "TV_GET_TONE", + .cmd = TV_GET_TONE, + .set = 0, + }, + [TV_GET_PILOT] = { + .name = "TV_GET_PILOT", + .cmd = TV_GET_PILOT, + .set = 0, + }, + [TV_GET_ROLLOFF] = { + .name = "TV_GET_ROLLOFF", + .cmd = TV_GET_ROLLOFF, + .set = 0, + }, + [TV_GET_DELIVERY_SYSTEM] = { + .name = "TV_GET_DELIVERY_SYSTEM", + .cmd = TV_GET_DELIVERY_SYSTEM, + .set = 0, + }, + [TV_GET_ISDB_SEGMENT_NUM] = { + .name = "TV_GET_ISDB_SEGMENT_NUM", + .cmd = TV_GET_ISDB_SEGMENT_NUM, + .set = 0, + }, + [TV_GET_ISDB_SEGMENT_WIDTH] = { + .name = "TV_GET_ISDB_SEGMENT_WIDTH", + .cmd = TV_GET_ISDB_SEGMENT_WIDTH, + .set = 0, + }, + [TV_GET_ISDB_LAYERA_FEC] = { + .name = "TV_GET_ISDB_LAYERA_FEC", + .cmd = TV_GET_ISDB_LAYERA_FEC, + .set = 0, + }, + [TV_GET_ISDB_LAYERA_MODULATION] = { + .name = "TV_GET_ISDB_LAYERA_MODULATION", + .cmd = TV_GET_ISDB_LAYERA_MODULATION, + .set = 0, + }, + [TV_GET_ISDB_LAYERA_SEGMENT_WIDTH] = { + .name = "TV_GET_ISDB_LAYERA_SEGMENT_WIDTH", + .cmd = TV_GET_ISDB_LAYERA_SEGMENT_WIDTH, + .set = 0, + }, + [TV_GET_ISDB_LAYERB_FEC] = { + .name = "TV_GET_ISDB_LAYERB_FEC", + .cmd = TV_GET_ISDB_LAYERB_FEC, + .set = 0, + }, + [TV_GET_ISDB_LAYERB_MODULATION] = { + .name = "TV_GET_ISDB_LAYERB_MODULATION", + .cmd = TV_GET_ISDB_LAYERB_MODULATION, + .set = 0, + }, + [TV_GET_ISDB_LAYERB_SEGMENT_WIDTH] = { + .name = "TV_GET_ISDB_LAYERB_SEGMENT_WIDTH", + .cmd = TV_GET_ISDB_LAYERB_SEGMENT_WIDTH, + .set = 0, + }, + [TV_GET_ISDB_LAYERC_FEC] = { + .name = "TV_GET_ISDB_LAYERC_FEC", + .cmd = TV_GET_ISDB_LAYERC_FEC, + .set = 0, + }, + [TV_GET_ISDB_LAYERC_MODULATION] = { + .name = "TV_GET_ISDB_LAYERC_MODULATION", + .cmd = TV_GET_ISDB_LAYERC_MODULATION, + .set = 0, + }, + [TV_GET_ISDB_LAYERC_SEGMENT_WIDTH] = { + .name = "TV_GET_ISDB_LAYERC_SEGMENT_WIDTH", + .cmd = TV_GET_ISDB_LAYERC_SEGMENT_WIDTH, + .set = 0, + }, +}; + +void tv_property_dump(tv_property_t *tvp) +{ + int i; + + printk("%s() tvp.cmd = 0x%08x (%s)\n" + ,__FUNCTION__ + ,tvp->cmd + ,tv_cmds[ tvp->cmd ].name); + + if(tv_cmds[ tvp->cmd ].buffer) { + + printk("%s() tvp.u.buffer.len = 0x%02x\n" + ,__FUNCTION__ + ,tvp->u.buffer.len); + + for(i = 0; i < tvp->u.buffer.len; i++) + printk("%s() tvp.u.buffer.data[0x%02x] = 0x%02x\n" + ,__FUNCTION__ + ,i + ,tvp->u.buffer.data[i]); + + } else + printk("%s() tvp.u.data = 0x%08x\n", __FUNCTION__, tvp->u.data); +} + +int is_legacy_delivery_system(fe_delivery_system_t s) +{ + if((s == SYS_UNDEFINED) || (s == SYS_DVBC_ANNEX_AC) || + (s == SYS_DVBC_ANNEX_B) || (s == SYS_DVBT) || (s == SYS_DVBS)) + return 1; + + return 0; +} + +int tv_property_cache_submit(struct dvb_frontend *fe) +{ + + /* We have to do one of two things: + * To support legacy devices using the new API we take values from + * the tv_cache and generate a legacy truning structure. + * + * Or, + * + * To support advanced tuning devices with the new API we + * notify the new advance driver type that a tuning operation is required + * and let it pull values from the cache as is, we don't need to + * pass structures. + * + * We'll use the modulation type to assess how this is handled. as the API + * progresses we'll probably want to have a flag in dvb_frontend_ops + * to allow the frontend driver to dictate how it likes to be tuned. + * + * Because of how this is attached to the ioctl handler for legacy support, + * it's important to return an appropriate result code with atleast the following + * three meanings: + * < 0 = processing error + * 0 = lecagy ioctl handler to submit a traditional set_frontend() call. + * 1 = lecagy ioctl handler should NOT submit a traditional set_frontend() call. + */ + + int r; + + struct tv_frontend_properties *c = &fe->tv_property_cache; + struct dvb_frontend_private *fepriv = fe->frontend_priv; + struct dvb_frontend_parameters p; + + printk("%s()\n", __FUNCTION__); + + /* For legacy delivery systems we don't need the delivery_system to be specified */ + if(is_legacy_delivery_system(c->delivery_system)) { + switch(c->modulation) { + case QPSK: + printk("%s() Preparing QPSK req\n", __FUNCTION__); + p.frequency = c->frequency; + p.inversion = c->inversion; + p.u.qpsk.symbol_rate = c->symbol_rate; + p.u.qpsk.fec_inner = c->fec_inner; + memcpy(&fepriv->parameters, &p, + sizeof (struct dvb_frontend_parameters)); + + /* Call the traditional tuning mechanisms. */ + + r = 0; + break; + case QAM_16: + case QAM_32: + case QAM_64: + case QAM_128: + case QAM_256: + case QAM_AUTO: + printk("%s() Preparing QAM req\n", __FUNCTION__); + p.frequency = c->frequency; + p.inversion = c->inversion; + p.u.qam.symbol_rate = c->symbol_rate; + p.u.vsb.modulation = c->modulation; + printk("%s() frequency = %d\n", __FUNCTION__, p.frequency); + printk("%s() QAM = %d\n", __FUNCTION__, p.u.vsb.modulation); + memcpy(&fepriv->parameters, &p, + sizeof (struct dvb_frontend_parameters)); + + /* At this point we're fully formed for backwards + * compatability and we need to return this + * via the ioctl handler as SET_FRONTEND (arg). + * We've already patched the new values into the + * frontends tuning structures so the ioctl code just + * continues as if a legacy tune structure was passed + * from userspace. + */ + + r = 0; + break; + case VSB_8: + case VSB_16: + printk("%s() Preparing VSB req\n", __FUNCTION__); + p.frequency = c->frequency; + p.u.vsb.modulation = c->modulation; + memcpy(&fepriv->parameters, &p, + sizeof (struct dvb_frontend_parameters)); + + /* Call the traditional tuning mechanisms. */ + + r = 0; + break; + /* TODO: Add any missing modulation types */ + default: + r = -1; + } + } else { + /* For advanced delivery systems / modulation types ... + * we seed the lecacy dvb_frontend_parameters structure + * so that the sanity checking code later in the IOCTL processing + * can validate our basic frequency ranges, symbolrates, modulation + * etc. + */ + r = -1; + + switch(c->modulation) { + case _8PSK: + case _16APSK: + case NBC_QPSK: + /* Just post a notification to the demod driver and let it pull + * the specific values it wants from its tv_property_cache. + * It can decide how best to use those parameters. + * IOCTL will call set_frontend (by default) due to zigzag + * support etc. + */ + if (fe->ops.set_params) + r = fe->ops.set_params(fe); + + p.frequency = c->frequency; + p.inversion = c->inversion; + p.u.qpsk.symbol_rate = c->symbol_rate; + p.u.qpsk.fec_inner = c->fec_inner; + memcpy(&fepriv->parameters, &p, + sizeof (struct dvb_frontend_parameters)); + + r = 0; + break; + default: + r = -1; + } + + if(c->delivery_system == SYS_ISDBT) { + /* Fake out a generic DVB-T request so we pass validation in the ioctl */ + p.frequency = c->frequency; + p.inversion = INVERSION_AUTO; + p.u.ofdm.constellation = QAM_AUTO; + p.u.ofdm.code_rate_HP = FEC_AUTO; + p.u.ofdm.code_rate_LP = FEC_AUTO; + p.u.ofdm.bandwidth = BANDWIDTH_AUTO; + p.u.ofdm.transmission_mode = TRANSMISSION_MODE_AUTO; + p.u.ofdm.guard_interval = GUARD_INTERVAL_AUTO; + p.u.ofdm.hierarchy_information = HIERARCHY_AUTO; + memcpy(&fepriv->parameters, &p, + sizeof (struct dvb_frontend_parameters)); + + r = 0; + } + } + return r; +} + +int tv_property_process(struct dvb_frontend *fe, tv_property_t *tvp) +{ + int r = 0; + printk("%s()\n", __FUNCTION__); + tv_property_dump(tvp); + + switch(tvp->cmd) { + case TV_SEQ_START: + case TV_SEQ_TERMINATE: + /* Reset a cache of data specific to the frontend here. This does + * not effect hardware. + */ + printk("%s() Flushing property cache\n", __FUNCTION__); + memset(&fe->tv_property_cache, 0, sizeof(struct tv_frontend_properties)); + fe->tv_property_cache.state = TV_SEQ_START; + fe->tv_property_cache.delivery_system = SYS_UNDEFINED; + break; + case TV_SEQ_COMPLETE: + /* interpret the cache of data, build either a traditional frontend + * tunerequest and submit it to a subset of the ioctl handler, + * or, call a new undefined method on the frontend to deal with + * all new tune requests. + */ + fe->tv_property_cache.state = TV_SEQ_COMPLETE; + printk("%s() Finalised property cache\n", __FUNCTION__); + r = tv_property_cache_submit(fe); + break; + case TV_SET_FREQUENCY: + fe->tv_property_cache.frequency = tvp->u.data; + break; + case TV_GET_FREQUENCY: + tvp->u.data = fe->tv_property_cache.frequency; + break; + case TV_SET_MODULATION: + fe->tv_property_cache.modulation = tvp->u.data; + break; + case TV_GET_MODULATION: + tvp->u.data = fe->tv_property_cache.modulation; + break; + case TV_SET_BANDWIDTH: + fe->tv_property_cache.bandwidth = tvp->u.data; + break; + case TV_GET_BANDWIDTH: + tvp->u.data = fe->tv_property_cache.bandwidth; + break; + case TV_SET_INVERSION: + fe->tv_property_cache.inversion = tvp->u.data; + break; + case TV_GET_INVERSION: + tvp->u.data = fe->tv_property_cache.inversion; + break; + case TV_SET_SYMBOLRATE: + fe->tv_property_cache.symbol_rate = tvp->u.data; + break; + case TV_GET_SYMBOLRATE: + tvp->u.data = fe->tv_property_cache.symbol_rate; + break; + case TV_SET_INNERFEC: + fe->tv_property_cache.fec_inner = tvp->u.data; + break; + case TV_GET_INNERFEC: + tvp->u.data = fe->tv_property_cache.fec_inner; + break; + case TV_SET_PILOT: + fe->tv_property_cache.pilot = tvp->u.data; + break; + case TV_GET_PILOT: + tvp->u.data = fe->tv_property_cache.pilot; + break; + case TV_SET_ROLLOFF: + fe->tv_property_cache.rolloff = tvp->u.data; + break; + case TV_GET_ROLLOFF: + tvp->u.data = fe->tv_property_cache.rolloff; + break; + case TV_SET_DELIVERY_SYSTEM: + fe->tv_property_cache.delivery_system = tvp->u.data; + break; + case TV_GET_DELIVERY_SYSTEM: + tvp->u.data = fe->tv_property_cache.delivery_system; + break; + + /* ISDB-T Support here */ + case TV_SET_ISDB_SEGMENT_NUM: + fe->tv_property_cache.isdb_segment_num = tvp->u.data; + break; + case TV_GET_ISDB_SEGMENT_NUM: + tvp->u.data = fe->tv_property_cache.isdb_segment_num; + break; + case TV_SET_ISDB_SEGMENT_WIDTH: + fe->tv_property_cache.isdb_segment_width = tvp->u.data; + break; + case TV_GET_ISDB_SEGMENT_WIDTH: + tvp->u.data = fe->tv_property_cache.isdb_segment_width; + break; + case TV_GET_ISDB_LAYERA_FEC: + tvp->u.data = fe->tv_property_cache.isdb_layera_fec; + break; + case TV_GET_ISDB_LAYERA_MODULATION: + tvp->u.data = fe->tv_property_cache.isdb_layera_modulation; + break; + case TV_GET_ISDB_LAYERA_SEGMENT_WIDTH: + tvp->u.data = fe->tv_property_cache.isdb_layera_segment_width; + break; + case TV_GET_ISDB_LAYERB_FEC: + tvp->u.data = fe->tv_property_cache.isdb_layerb_fec; + break; + case TV_GET_ISDB_LAYERB_MODULATION: + tvp->u.data = fe->tv_property_cache.isdb_layerb_modulation; + break; + case TV_GET_ISDB_LAYERB_SEGMENT_WIDTH: + tvp->u.data = fe->tv_property_cache.isdb_layerb_segment_width; + break; + case TV_GET_ISDB_LAYERC_FEC: + tvp->u.data = fe->tv_property_cache.isdb_layerc_fec; + break; + case TV_GET_ISDB_LAYERC_MODULATION: + tvp->u.data = fe->tv_property_cache.isdb_layerc_modulation; + break; + case TV_GET_ISDB_LAYERC_SEGMENT_WIDTH: + tvp->u.data = fe->tv_property_cache.isdb_layerc_segment_width; + break; + + } + + return 0; +} + static int dvb_frontend_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *parg) { @@ -762,6 +1291,7 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file, struct dvb_frontend *fe = dvbdev->priv; struct dvb_frontend_private *fepriv = fe->frontend_priv; int err = -EOPNOTSUPP; + tv_property_t* tvp; dprintk ("%s\n", __func__); @@ -776,6 +1306,27 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file, if (down_interruptible (&fepriv->sem)) return -ERESTARTSYS; + if(cmd == FE_SET_PROPERTY) { + printk("%s() FE_SET_PROPERTY\n", __FUNCTION__); + + /* TODO: basic property validation here */ + + /* TODO: ioctl userdata out of range check here */ + tvp = parg; + while(tvp->cmd != TV_SEQ_UNDEFINED) { + tv_property_process(fe, tvp); + if( (tvp->cmd == TV_SEQ_TERMINATE) || (tvp->cmd == TV_SEQ_COMPLETE) ) + break; + tvp++; + } + + if(fe->tv_property_cache.state == TV_SEQ_COMPLETE) { + printk("%s() Property cache is full, tuning\n", __FUNCTION__); + cmd = FE_SET_FRONTEND; + } + err = 0; + } + switch (cmd) { case FE_GET_INFO: { struct dvb_frontend_info* info = parg; @@ -942,13 +1493,20 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file, case FE_SET_FRONTEND: { struct dvb_frontend_tune_settings fetunesettings; - if (dvb_frontend_check_parameters(fe, parg) < 0) { - err = -EINVAL; - break; - } + if(fe->tv_property_cache.state == TV_SEQ_COMPLETE) { + if (dvb_frontend_check_parameters(fe, &fepriv->parameters) < 0) { + err = -EINVAL; + break; + } + } else { + if (dvb_frontend_check_parameters(fe, parg) < 0) { + err = -EINVAL; + break; + } - memcpy (&fepriv->parameters, parg, - sizeof (struct dvb_frontend_parameters)); + memcpy (&fepriv->parameters, parg, + sizeof (struct dvb_frontend_parameters)); + } memset(&fetunesettings, 0, sizeof(struct dvb_frontend_tune_settings)); memcpy(&fetunesettings.parameters, parg, @@ -1031,6 +1589,7 @@ static int dvb_frontend_ioctl(struct inode *inode, struct file *file, return err; } + static unsigned int dvb_frontend_poll(struct file *file, struct poll_table_struct *wait) { struct dvb_device *dvbdev = file->private_data; diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h index aa4133f0bd19..61d53ee70f2a 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb/dvb-core/dvb_frontend.h @@ -169,6 +169,10 @@ struct dvb_frontend_ops { struct dvb_tuner_ops tuner_ops; struct analog_demod_ops analog_ops; + + int (*set_property)(struct dvb_frontend* fe, tv_property_t* tvp); + int (*get_property)(struct dvb_frontend* fe, tv_property_t* tvp); + int (*set_params)(struct dvb_frontend* fe); }; #define MAX_EVENT 8 @@ -182,6 +186,45 @@ struct dvb_fe_events { struct mutex mtx; }; +struct tv_frontend_properties { + + /* Cache State */ + u32 state; + + u32 frequency; + fe_modulation_t modulation; + + fe_sec_voltage_t voltage; + fe_sec_tone_mode_t sectone; + fe_spectral_inversion_t inversion; + fe_code_rate_t fec_inner; + fe_transmit_mode_t transmission_mode; + fe_bandwidth_t bandwidth; + fe_guard_interval_t guard_interval; + fe_hierarchy_t hierarchy; + u32 symbol_rate; + fe_code_rate_t code_rate_HP; + fe_code_rate_t code_rate_LP; + + fe_pilot_t pilot; + fe_rolloff_t rolloff; + + fe_delivery_system_t delivery_system; + + /* ISDB-T specifics */ + u32 isdb_segment_num; + u32 isdb_segment_width; + fe_code_rate_t isdb_layera_fec; + fe_modulation_t isdb_layera_modulation; + u32 isdb_layera_segment_width; + fe_code_rate_t isdb_layerb_fec; + fe_modulation_t isdb_layerb_modulation; + u32 isdb_layerb_segment_width; + fe_code_rate_t isdb_layerc_fec; + fe_modulation_t isdb_layerc_modulation; + u32 isdb_layerc_segment_width; +}; + struct dvb_frontend { struct dvb_frontend_ops ops; struct dvb_adapter *dvb; @@ -190,6 +233,7 @@ struct dvb_frontend { void *frontend_priv; void *sec_priv; void *analog_demod_priv; + struct tv_frontend_properties tv_property_cache; }; extern int dvb_register_frontend(struct dvb_adapter *dvb, diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h index c8cbd90ba375..4d3770021736 100644 --- a/include/linux/dvb/frontend.h +++ b/include/linux/dvb/frontend.h @@ -62,6 +62,7 @@ typedef enum fe_caps { FE_CAN_HIERARCHY_AUTO = 0x100000, FE_CAN_8VSB = 0x200000, FE_CAN_16VSB = 0x400000, + FE_HAS_EXTENDED_CAPS = 0x800000, // We need more bitspace for newer APIs, indicate this. FE_NEEDS_BENDING = 0x20000000, // not supported anymore, don't use (frontend requires frequency bending) FE_CAN_RECOVER = 0x40000000, // frontend can recover from a cable unplug automatically FE_CAN_MUTE_TS = 0x80000000 // frontend can stop spurious TS data output @@ -147,7 +148,9 @@ typedef enum fe_code_rate { FEC_6_7, FEC_7_8, FEC_8_9, - FEC_AUTO + FEC_AUTO, + FEC_3_5, + FEC_9_10, } fe_code_rate_t; @@ -160,7 +163,11 @@ typedef enum fe_modulation { QAM_256, QAM_AUTO, VSB_8, - VSB_16 + VSB_16, + _8PSK, + _16APSK, + NBC_QPSK, + DQPSK, } fe_modulation_t; typedef enum fe_transmit_mode { @@ -239,6 +246,125 @@ struct dvb_frontend_event { struct dvb_frontend_parameters parameters; }; +/* TODO: Turn this into a series of defines, so future maintainers + * don't insert random new commands and break backwards + * binary compatability. + */ +typedef enum tv_cmd_types { + TV_SEQ_UNDEFINED, + TV_SEQ_START, + TV_SEQ_CONTINUE, + TV_SEQ_COMPLETE, + TV_SEQ_TERMINATE, + + TV_SET_FREQUENCY, + TV_SET_MODULATION, + TV_SET_BANDWIDTH, + TV_SET_INVERSION, + TV_SET_DISEQC_MASTER, + TV_SET_SYMBOLRATE, + TV_SET_INNERFEC, + TV_SET_VOLTAGE, + TV_SET_TONE, + TV_SET_PILOT, + TV_SET_ROLLOFF, + + TV_GET_FREQUENCY, + TV_GET_MODULATION, + TV_GET_BANDWIDTH, + TV_GET_INVERSION, + TV_GET_DISEQC_SLAVE_REPLY, + TV_GET_SYMBOLRATE, + TV_GET_INNERFEC, + TV_GET_VOLTAGE, + TV_GET_TONE, + TV_GET_PILOT, + TV_GET_ROLLOFF, + + /* Basic enumeration set for querying unlimited capabilities */ + TV_GET_FE_CAPABILITY_COUNT, + TV_GET_FE_CAPABILITY, + + /* New commands are always appended */ + TV_SET_DELIVERY_SYSTEM, + TV_GET_DELIVERY_SYSTEM, + + /* ISDB-T */ + TV_SET_ISDB_SEGMENT_NUM, + TV_GET_ISDB_SEGMENT_NUM, + TV_SET_ISDB_SEGMENT_WIDTH, + TV_GET_ISDB_SEGMENT_WIDTH, + TV_GET_ISDB_LAYERA_FEC, + TV_GET_ISDB_LAYERA_MODULATION, + TV_GET_ISDB_LAYERA_SEGMENT_WIDTH, + TV_GET_ISDB_LAYERB_FEC, + TV_GET_ISDB_LAYERB_MODULATION, + TV_GET_ISDB_LAYERB_SEGMENT_WIDTH, + TV_GET_ISDB_LAYERC_FEC, + TV_GET_ISDB_LAYERC_MODULATION, + TV_GET_ISDB_LAYERC_SEGMENT_WIDTH, + +} tv_cmd_types_t; + +typedef enum fe_pilot { + PILOT_ON, + PILOT_OFF, + PILOT_AUTO, +} fe_pilot_t; + +typedef enum fe_rolloff { + ROLLOFF_20, + ROLLOFF_25, + ROLLOFF_35, + ROLLOFF_AUTO, +} fe_rolloff_t; + +typedef enum fe_delivery_system { + SYS_UNDEFINED, + SYS_DVBC_ANNEX_AC, + SYS_DVBC_ANNEX_B, + SYS_DVBT, + SYS_DVBS, + SYS_DVBS2, + SYS_DVBH, + SYS_ISDBT, + SYS_ISDBS, + SYS_ISDBC, + SYS_ATSC, + SYS_ATSCMH, + SYS_DMBTH, + SYS_CMMB, + SYS_DAB, +} fe_delivery_system_t; + +struct tv_cmds_h { + char *name; /* A display name for debugging purposes */ + + __u32 cmd; /* A unique ID */ + + /* Flags */ + __u32 set:1; /* Either a set or get property */ + __u32 buffer:1; /* Does this property use the buffer? */ + __u32 reserved:30; /* Align */ +}; + +typedef struct { + __u32 cmd; + union { + __u32 data; + struct { + __u8 data[32]; + __u32 len; + } buffer; + } u; +} tv_property_t; + +/* No more than 16 properties during any given ioctl */ +typedef tv_property_t tv_properties_t[16]; + +#define FE_SET_PROPERTY _IOW('o', 82, tv_properties_t) +#define FE_GET_PROPERTY _IOR('o', 83, tv_properties_t) + /** * When set, this flag will disable any zigzagging or other "normal" tuning |