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path: root/drivers/media/dvb/dvb-core/dvb_frontend.c
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Diffstat (limited to 'drivers/media/dvb/dvb-core/dvb_frontend.c')
-rw-r--r--drivers/media/dvb/dvb-core/dvb_frontend.c365
1 files changed, 193 insertions, 172 deletions
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 31e2c0d45db3..98278041d75f 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -105,7 +105,8 @@ struct dvb_frontend_private {
/* thread/frontend values */
struct dvb_device *dvbdev;
- struct dvb_frontend_parameters parameters;
+ struct dvb_frontend_parameters parameters_in;
+ struct dvb_frontend_parameters parameters_out;
struct dvb_fe_events events;
struct semaphore sem;
struct list_head list_head;
@@ -160,12 +161,11 @@ static void dvb_frontend_add_event(struct dvb_frontend *fe, fe_status_t status)
e = &events->events[events->eventw];
- memcpy (&e->parameters, &fepriv->parameters,
- sizeof (struct dvb_frontend_parameters));
-
if (status & FE_HAS_LOCK)
if (fe->ops.get_frontend)
- fe->ops.get_frontend(fe, &e->parameters);
+ fe->ops.get_frontend(fe, &fepriv->parameters_out);
+
+ e->parameters = fepriv->parameters_out;
events->eventw = wp;
@@ -277,12 +277,12 @@ static int dvb_frontend_swzigzag_autotune(struct dvb_frontend *fe, int check_wra
int ready = 0;
int fe_set_err = 0;
struct dvb_frontend_private *fepriv = fe->frontend_priv;
- int original_inversion = fepriv->parameters.inversion;
- u32 original_frequency = fepriv->parameters.frequency;
+ int original_inversion = fepriv->parameters_in.inversion;
+ u32 original_frequency = fepriv->parameters_in.frequency;
/* are we using autoinversion? */
autoinversion = ((!(fe->ops.info.caps & FE_CAN_INVERSION_AUTO)) &&
- (fepriv->parameters.inversion == INVERSION_AUTO));
+ (fepriv->parameters_in.inversion == INVERSION_AUTO));
/* setup parameters correctly */
while(!ready) {
@@ -348,18 +348,19 @@ static int dvb_frontend_swzigzag_autotune(struct dvb_frontend *fe, int check_wra
fepriv->auto_step, fepriv->auto_sub_step, fepriv->started_auto_step);
/* set the frontend itself */
- fepriv->parameters.frequency += fepriv->lnb_drift;
+ fepriv->parameters_in.frequency += fepriv->lnb_drift;
if (autoinversion)
- fepriv->parameters.inversion = fepriv->inversion;
+ fepriv->parameters_in.inversion = fepriv->inversion;
if (fe->ops.set_frontend)
- fe_set_err = fe->ops.set_frontend(fe, &fepriv->parameters);
+ fe_set_err = fe->ops.set_frontend(fe, &fepriv->parameters_in);
+ fepriv->parameters_out = fepriv->parameters_in;
if (fe_set_err < 0) {
fepriv->state = FESTATE_ERROR;
return fe_set_err;
}
- fepriv->parameters.frequency = original_frequency;
- fepriv->parameters.inversion = original_inversion;
+ fepriv->parameters_in.frequency = original_frequency;
+ fepriv->parameters_in.inversion = original_inversion;
fepriv->auto_sub_step++;
return 0;
@@ -383,7 +384,8 @@ static void dvb_frontend_swzigzag(struct dvb_frontend *fe)
if (fepriv->state & FESTATE_RETUNE) {
if (fe->ops.set_frontend)
retval = fe->ops.set_frontend(fe,
- &fepriv->parameters);
+ &fepriv->parameters_in);
+ fepriv->parameters_out = fepriv->parameters_in;
if (retval < 0)
fepriv->state = FESTATE_ERROR;
else
@@ -413,8 +415,8 @@ static void dvb_frontend_swzigzag(struct dvb_frontend *fe)
/* if we're tuned, then we have determined the correct inversion */
if ((!(fe->ops.info.caps & FE_CAN_INVERSION_AUTO)) &&
- (fepriv->parameters.inversion == INVERSION_AUTO)) {
- fepriv->parameters.inversion = fepriv->inversion;
+ (fepriv->parameters_in.inversion == INVERSION_AUTO)) {
+ fepriv->parameters_in.inversion = fepriv->inversion;
}
return;
}
@@ -594,12 +596,14 @@ restart:
if (fepriv->state & FESTATE_RETUNE) {
dprintk("%s: Retune requested, FESTATE_RETUNE\n", __func__);
- params = &fepriv->parameters;
+ params = &fepriv->parameters_in;
fepriv->state = FESTATE_TUNED;
}
if (fe->ops.tune)
fe->ops.tune(fe, params, fepriv->tune_mode_flags, &fepriv->delay, &s);
+ if (params)
+ fepriv->parameters_out = *params;
if (s != fepriv->status && !(fepriv->tune_mode_flags & FE_TUNE_MODE_ONESHOT)) {
dprintk("%s: state changed, adding current state\n", __func__);
@@ -612,11 +616,9 @@ restart:
dvb_frontend_swzigzag(fe);
break;
case DVBFE_ALGO_CUSTOM:
- params = NULL; /* have we been asked to RETUNE ? */
dprintk("%s: Frontend ALGO = DVBFE_ALGO_CUSTOM, state=%d\n", __func__, fepriv->state);
if (fepriv->state & FESTATE_RETUNE) {
dprintk("%s: Retune requested, FESTAT_RETUNE\n", __func__);
- params = &fepriv->parameters;
fepriv->state = FESTATE_TUNED;
}
/* Case where we are going to search for a carrier
@@ -625,7 +627,7 @@ restart:
*/
if (fepriv->algo_status & DVBFE_ALGO_SEARCH_AGAIN) {
if (fe->ops.search) {
- fepriv->algo_status = fe->ops.search(fe, &fepriv->parameters);
+ fepriv->algo_status = fe->ops.search(fe, &fepriv->parameters_in);
/* We did do a search as was requested, the flags are
* now unset as well and has the flags wrt to search.
*/
@@ -636,11 +638,12 @@ restart:
/* Track the carrier if the search was successful */
if (fepriv->algo_status == DVBFE_ALGO_SEARCH_SUCCESS) {
if (fe->ops.track)
- fe->ops.track(fe, &fepriv->parameters);
+ fe->ops.track(fe, &fepriv->parameters_in);
} else {
fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN;
fepriv->delay = HZ / 2;
}
+ fepriv->parameters_out = fepriv->parameters_in;
fe->ops.read_status(fe, &s);
if (s != fepriv->status) {
dvb_frontend_add_event(fe, s); /* update event list */
@@ -860,34 +863,34 @@ static int dvb_frontend_check_parameters(struct dvb_frontend *fe,
static int dvb_frontend_clear_cache(struct dvb_frontend *fe)
{
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int i;
- memset(&(fe->dtv_property_cache), 0,
- sizeof(struct dtv_frontend_properties));
-
- fe->dtv_property_cache.state = DTV_CLEAR;
- fe->dtv_property_cache.delivery_system = SYS_UNDEFINED;
- fe->dtv_property_cache.inversion = INVERSION_AUTO;
- fe->dtv_property_cache.fec_inner = FEC_AUTO;
- fe->dtv_property_cache.transmission_mode = TRANSMISSION_MODE_AUTO;
- fe->dtv_property_cache.bandwidth_hz = BANDWIDTH_AUTO;
- fe->dtv_property_cache.guard_interval = GUARD_INTERVAL_AUTO;
- fe->dtv_property_cache.hierarchy = HIERARCHY_AUTO;
- fe->dtv_property_cache.symbol_rate = QAM_AUTO;
- fe->dtv_property_cache.code_rate_HP = FEC_AUTO;
- fe->dtv_property_cache.code_rate_LP = FEC_AUTO;
-
- fe->dtv_property_cache.isdbt_partial_reception = -1;
- fe->dtv_property_cache.isdbt_sb_mode = -1;
- fe->dtv_property_cache.isdbt_sb_subchannel = -1;
- fe->dtv_property_cache.isdbt_sb_segment_idx = -1;
- fe->dtv_property_cache.isdbt_sb_segment_count = -1;
- fe->dtv_property_cache.isdbt_layer_enabled = 0x7;
+ memset(c, 0, sizeof(struct dtv_frontend_properties));
+
+ c->state = DTV_CLEAR;
+ c->delivery_system = SYS_UNDEFINED;
+ c->inversion = INVERSION_AUTO;
+ c->fec_inner = FEC_AUTO;
+ c->transmission_mode = TRANSMISSION_MODE_AUTO;
+ c->bandwidth_hz = BANDWIDTH_AUTO;
+ c->guard_interval = GUARD_INTERVAL_AUTO;
+ c->hierarchy = HIERARCHY_AUTO;
+ c->symbol_rate = QAM_AUTO;
+ c->code_rate_HP = FEC_AUTO;
+ c->code_rate_LP = FEC_AUTO;
+
+ c->isdbt_partial_reception = -1;
+ c->isdbt_sb_mode = -1;
+ c->isdbt_sb_subchannel = -1;
+ c->isdbt_sb_segment_idx = -1;
+ c->isdbt_sb_segment_count = -1;
+ c->isdbt_layer_enabled = 0x7;
for (i = 0; i < 3; i++) {
- fe->dtv_property_cache.layer[i].fec = FEC_AUTO;
- fe->dtv_property_cache.layer[i].modulation = QAM_AUTO;
- fe->dtv_property_cache.layer[i].interleaving = -1;
- fe->dtv_property_cache.layer[i].segment_count = -1;
+ c->layer[i].fec = FEC_AUTO;
+ c->layer[i].modulation = QAM_AUTO;
+ c->layer[i].interleaving = -1;
+ c->layer[i].segment_count = -1;
}
return 0;
@@ -1020,10 +1023,9 @@ static int is_legacy_delivery_system(fe_delivery_system_t s)
* it's being used for the legacy or new API, reducing code and complexity.
*/
static void dtv_property_cache_sync(struct dvb_frontend *fe,
- struct dvb_frontend_parameters *p)
+ struct dtv_frontend_properties *c,
+ const struct dvb_frontend_parameters *p)
{
- struct dtv_frontend_properties *c = &fe->dtv_property_cache;
-
c->frequency = p->frequency;
c->inversion = p->inversion;
@@ -1074,9 +1076,9 @@ static void dtv_property_cache_sync(struct dvb_frontend *fe,
*/
static void dtv_property_legacy_params_sync(struct dvb_frontend *fe)
{
- struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ const struct dtv_frontend_properties *c = &fe->dtv_property_cache;
struct dvb_frontend_private *fepriv = fe->frontend_priv;
- struct dvb_frontend_parameters *p = &fepriv->parameters;
+ struct dvb_frontend_parameters *p = &fepriv->parameters_in;
p->frequency = c->frequency;
p->inversion = c->inversion;
@@ -1086,14 +1088,12 @@ static void dtv_property_legacy_params_sync(struct dvb_frontend *fe)
dprintk("%s() Preparing QPSK req\n", __func__);
p->u.qpsk.symbol_rate = c->symbol_rate;
p->u.qpsk.fec_inner = c->fec_inner;
- c->delivery_system = SYS_DVBS;
break;
case FE_QAM:
dprintk("%s() Preparing QAM req\n", __func__);
p->u.qam.symbol_rate = c->symbol_rate;
p->u.qam.fec_inner = c->fec_inner;
p->u.qam.modulation = c->modulation;
- c->delivery_system = SYS_DVBC_ANNEX_AC;
break;
case FE_OFDM:
dprintk("%s() Preparing OFDM req\n", __func__);
@@ -1111,15 +1111,10 @@ static void dtv_property_legacy_params_sync(struct dvb_frontend *fe)
p->u.ofdm.transmission_mode = c->transmission_mode;
p->u.ofdm.guard_interval = c->guard_interval;
p->u.ofdm.hierarchy_information = c->hierarchy;
- c->delivery_system = SYS_DVBT;
break;
case FE_ATSC:
dprintk("%s() Preparing VSB req\n", __func__);
p->u.vsb.modulation = c->modulation;
- if ((c->modulation == VSB_8) || (c->modulation == VSB_16))
- c->delivery_system = SYS_ATSC;
- else
- c->delivery_system = SYS_DVBC_ANNEX_B;
break;
}
}
@@ -1129,9 +1124,9 @@ static void dtv_property_legacy_params_sync(struct dvb_frontend *fe)
*/
static void dtv_property_adv_params_sync(struct dvb_frontend *fe)
{
- struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ const struct dtv_frontend_properties *c = &fe->dtv_property_cache;
struct dvb_frontend_private *fepriv = fe->frontend_priv;
- struct dvb_frontend_parameters *p = &fepriv->parameters;
+ struct dvb_frontend_parameters *p = &fepriv->parameters_in;
p->frequency = c->frequency;
p->inversion = c->inversion;
@@ -1148,10 +1143,9 @@ static void dtv_property_adv_params_sync(struct dvb_frontend *fe)
break;
}
- 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 = c->inversion;
+ /* Fake out a generic DVB-T request so we pass validation in the ioctl */
+ if ((c->delivery_system == SYS_ISDBT) ||
+ (c->delivery_system == SYS_DVBT2)) {
p->u.ofdm.constellation = QAM_AUTO;
p->u.ofdm.code_rate_HP = FEC_AUTO;
p->u.ofdm.code_rate_LP = FEC_AUTO;
@@ -1171,7 +1165,7 @@ static void dtv_property_adv_params_sync(struct dvb_frontend *fe)
static void dtv_property_cache_submit(struct dvb_frontend *fe)
{
- struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ const struct dtv_frontend_properties *c = &fe->dtv_property_cache;
/* For legacy delivery systems we don't need the delivery_system to
* be specified, but we populate the older structures from the cache
@@ -1204,133 +1198,149 @@ static int dtv_property_process_get(struct dvb_frontend *fe,
struct dtv_property *tvp,
struct file *file)
{
- int r = 0;
-
- /* Allow the frontend to validate incoming properties */
- if (fe->ops.get_property)
- r = fe->ops.get_property(fe, tvp);
+ const struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+ struct dvb_frontend_private *fepriv = fe->frontend_priv;
+ struct dtv_frontend_properties cdetected;
+ int r;
- if (r < 0)
- return r;
+ /*
+ * If the driver implements a get_frontend function, then convert
+ * detected parameters to S2API properties.
+ */
+ if (fe->ops.get_frontend) {
+ cdetected = *c;
+ dtv_property_cache_sync(fe, &cdetected, &fepriv->parameters_out);
+ c = &cdetected;
+ }
switch(tvp->cmd) {
case DTV_FREQUENCY:
- tvp->u.data = fe->dtv_property_cache.frequency;
+ tvp->u.data = c->frequency;
break;
case DTV_MODULATION:
- tvp->u.data = fe->dtv_property_cache.modulation;
+ tvp->u.data = c->modulation;
break;
case DTV_BANDWIDTH_HZ:
- tvp->u.data = fe->dtv_property_cache.bandwidth_hz;
+ tvp->u.data = c->bandwidth_hz;
break;
case DTV_INVERSION:
- tvp->u.data = fe->dtv_property_cache.inversion;
+ tvp->u.data = c->inversion;
break;
case DTV_SYMBOL_RATE:
- tvp->u.data = fe->dtv_property_cache.symbol_rate;
+ tvp->u.data = c->symbol_rate;
break;
case DTV_INNER_FEC:
- tvp->u.data = fe->dtv_property_cache.fec_inner;
+ tvp->u.data = c->fec_inner;
break;
case DTV_PILOT:
- tvp->u.data = fe->dtv_property_cache.pilot;
+ tvp->u.data = c->pilot;
break;
case DTV_ROLLOFF:
- tvp->u.data = fe->dtv_property_cache.rolloff;
+ tvp->u.data = c->rolloff;
break;
case DTV_DELIVERY_SYSTEM:
- tvp->u.data = fe->dtv_property_cache.delivery_system;
+ tvp->u.data = c->delivery_system;
break;
case DTV_VOLTAGE:
- tvp->u.data = fe->dtv_property_cache.voltage;
+ tvp->u.data = c->voltage;
break;
case DTV_TONE:
- tvp->u.data = fe->dtv_property_cache.sectone;
+ tvp->u.data = c->sectone;
break;
case DTV_API_VERSION:
tvp->u.data = (DVB_API_VERSION << 8) | DVB_API_VERSION_MINOR;
break;
case DTV_CODE_RATE_HP:
- tvp->u.data = fe->dtv_property_cache.code_rate_HP;
+ tvp->u.data = c->code_rate_HP;
break;
case DTV_CODE_RATE_LP:
- tvp->u.data = fe->dtv_property_cache.code_rate_LP;
+ tvp->u.data = c->code_rate_LP;
break;
case DTV_GUARD_INTERVAL:
- tvp->u.data = fe->dtv_property_cache.guard_interval;
+ tvp->u.data = c->guard_interval;
break;
case DTV_TRANSMISSION_MODE:
- tvp->u.data = fe->dtv_property_cache.transmission_mode;
+ tvp->u.data = c->transmission_mode;
break;
case DTV_HIERARCHY:
- tvp->u.data = fe->dtv_property_cache.hierarchy;
+ tvp->u.data = c->hierarchy;
break;
/* ISDB-T Support here */
case DTV_ISDBT_PARTIAL_RECEPTION:
- tvp->u.data = fe->dtv_property_cache.isdbt_partial_reception;
+ tvp->u.data = c->isdbt_partial_reception;
break;
case DTV_ISDBT_SOUND_BROADCASTING:
- tvp->u.data = fe->dtv_property_cache.isdbt_sb_mode;
+ tvp->u.data = c->isdbt_sb_mode;
break;
case DTV_ISDBT_SB_SUBCHANNEL_ID:
- tvp->u.data = fe->dtv_property_cache.isdbt_sb_subchannel;
+ tvp->u.data = c->isdbt_sb_subchannel;
break;
case DTV_ISDBT_SB_SEGMENT_IDX:
- tvp->u.data = fe->dtv_property_cache.isdbt_sb_segment_idx;
+ tvp->u.data = c->isdbt_sb_segment_idx;
break;
case DTV_ISDBT_SB_SEGMENT_COUNT:
- tvp->u.data = fe->dtv_property_cache.isdbt_sb_segment_count;
+ tvp->u.data = c->isdbt_sb_segment_count;
break;
case DTV_ISDBT_LAYER_ENABLED:
- tvp->u.data = fe->dtv_property_cache.isdbt_layer_enabled;
+ tvp->u.data = c->isdbt_layer_enabled;
break;
case DTV_ISDBT_LAYERA_FEC:
- tvp->u.data = fe->dtv_property_cache.layer[0].fec;
+ tvp->u.data = c->layer[0].fec;
break;
case DTV_ISDBT_LAYERA_MODULATION:
- tvp->u.data = fe->dtv_property_cache.layer[0].modulation;
+ tvp->u.data = c->layer[0].modulation;
break;
case DTV_ISDBT_LAYERA_SEGMENT_COUNT:
- tvp->u.data = fe->dtv_property_cache.layer[0].segment_count;
+ tvp->u.data = c->layer[0].segment_count;
break;
case DTV_ISDBT_LAYERA_TIME_INTERLEAVING:
- tvp->u.data = fe->dtv_property_cache.layer[0].interleaving;
+ tvp->u.data = c->layer[0].interleaving;
break;
case DTV_ISDBT_LAYERB_FEC:
- tvp->u.data = fe->dtv_property_cache.layer[1].fec;
+ tvp->u.data = c->layer[1].fec;
break;
case DTV_ISDBT_LAYERB_MODULATION:
- tvp->u.data = fe->dtv_property_cache.layer[1].modulation;
+ tvp->u.data = c->layer[1].modulation;
break;
case DTV_ISDBT_LAYERB_SEGMENT_COUNT:
- tvp->u.data = fe->dtv_property_cache.layer[1].segment_count;
+ tvp->u.data = c->layer[1].segment_count;
break;
case DTV_ISDBT_LAYERB_TIME_INTERLEAVING:
- tvp->u.data = fe->dtv_property_cache.layer[1].interleaving;
+ tvp->u.data = c->layer[1].interleaving;
break;
case DTV_ISDBT_LAYERC_FEC:
- tvp->u.data = fe->dtv_property_cache.layer[2].fec;
+ tvp->u.data = c->layer[2].fec;
break;
case DTV_ISDBT_LAYERC_MODULATION:
- tvp->u.data = fe->dtv_property_cache.layer[2].modulation;
+ tvp->u.data = c->layer[2].modulation;
break;
case DTV_ISDBT_LAYERC_SEGMENT_COUNT:
- tvp->u.data = fe->dtv_property_cache.layer[2].segment_count;
+ tvp->u.data = c->layer[2].segment_count;
break;
case DTV_ISDBT_LAYERC_TIME_INTERLEAVING:
- tvp->u.data = fe->dtv_property_cache.layer[2].interleaving;
+ tvp->u.data = c->layer[2].interleaving;
break;
case DTV_ISDBS_TS_ID:
- tvp->u.data = fe->dtv_property_cache.isdbs_ts_id;
+ tvp->u.data = c->isdbs_ts_id;
+ break;
+ case DTV_DVBT2_PLP_ID:
+ tvp->u.data = c->dvbt2_plp_id;
break;
default:
- r = -1;
+ return -EINVAL;
+ }
+
+ /* Allow the frontend to override outgoing properties */
+ if (fe->ops.get_property) {
+ r = fe->ops.get_property(fe, tvp);
+ if (r < 0)
+ return r;
}
dtv_property_dump(tvp);
- return r;
+ return 0;
}
static int dtv_property_process_set(struct dvb_frontend *fe,
@@ -1338,15 +1348,16 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
struct file *file)
{
int r = 0;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
struct dvb_frontend_private *fepriv = fe->frontend_priv;
dtv_property_dump(tvp);
/* Allow the frontend to validate incoming properties */
- if (fe->ops.set_property)
+ if (fe->ops.set_property) {
r = fe->ops.set_property(fe, tvp);
-
- if (r < 0)
- return r;
+ if (r < 0)
+ return r;
+ }
switch(tvp->cmd) {
case DTV_CLEAR:
@@ -1361,126 +1372,129 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
* tunerequest so we can pass validation in the FE_SET_FRONTEND
* ioctl.
*/
- fe->dtv_property_cache.state = tvp->cmd;
+ c->state = tvp->cmd;
dprintk("%s() Finalised property cache\n", __func__);
dtv_property_cache_submit(fe);
- r |= dvb_frontend_ioctl_legacy(file, FE_SET_FRONTEND,
- &fepriv->parameters);
+ r = dvb_frontend_ioctl_legacy(file, FE_SET_FRONTEND,
+ &fepriv->parameters_in);
break;
case DTV_FREQUENCY:
- fe->dtv_property_cache.frequency = tvp->u.data;
+ c->frequency = tvp->u.data;
break;
case DTV_MODULATION:
- fe->dtv_property_cache.modulation = tvp->u.data;
+ c->modulation = tvp->u.data;
break;
case DTV_BANDWIDTH_HZ:
- fe->dtv_property_cache.bandwidth_hz = tvp->u.data;
+ c->bandwidth_hz = tvp->u.data;
break;
case DTV_INVERSION:
- fe->dtv_property_cache.inversion = tvp->u.data;
+ c->inversion = tvp->u.data;
break;
case DTV_SYMBOL_RATE:
- fe->dtv_property_cache.symbol_rate = tvp->u.data;
+ c->symbol_rate = tvp->u.data;
break;
case DTV_INNER_FEC:
- fe->dtv_property_cache.fec_inner = tvp->u.data;
+ c->fec_inner = tvp->u.data;
break;
case DTV_PILOT:
- fe->dtv_property_cache.pilot = tvp->u.data;
+ c->pilot = tvp->u.data;
break;
case DTV_ROLLOFF:
- fe->dtv_property_cache.rolloff = tvp->u.data;
+ c->rolloff = tvp->u.data;
break;
case DTV_DELIVERY_SYSTEM:
- fe->dtv_property_cache.delivery_system = tvp->u.data;
+ c->delivery_system = tvp->u.data;
break;
case DTV_VOLTAGE:
- fe->dtv_property_cache.voltage = tvp->u.data;
+ c->voltage = tvp->u.data;
r = dvb_frontend_ioctl_legacy(file, FE_SET_VOLTAGE,
- (void *)fe->dtv_property_cache.voltage);
+ (void *)c->voltage);
break;
case DTV_TONE:
- fe->dtv_property_cache.sectone = tvp->u.data;
+ c->sectone = tvp->u.data;
r = dvb_frontend_ioctl_legacy(file, FE_SET_TONE,
- (void *)fe->dtv_property_cache.sectone);
+ (void *)c->sectone);
break;
case DTV_CODE_RATE_HP:
- fe->dtv_property_cache.code_rate_HP = tvp->u.data;
+ c->code_rate_HP = tvp->u.data;
break;
case DTV_CODE_RATE_LP:
- fe->dtv_property_cache.code_rate_LP = tvp->u.data;
+ c->code_rate_LP = tvp->u.data;
break;
case DTV_GUARD_INTERVAL:
- fe->dtv_property_cache.guard_interval = tvp->u.data;
+ c->guard_interval = tvp->u.data;
break;
case DTV_TRANSMISSION_MODE:
- fe->dtv_property_cache.transmission_mode = tvp->u.data;
+ c->transmission_mode = tvp->u.data;
break;
case DTV_HIERARCHY:
- fe->dtv_property_cache.hierarchy = tvp->u.data;
+ c->hierarchy = tvp->u.data;
break;
/* ISDB-T Support here */
case DTV_ISDBT_PARTIAL_RECEPTION:
- fe->dtv_property_cache.isdbt_partial_reception = tvp->u.data;
+ c->isdbt_partial_reception = tvp->u.data;
break;
case DTV_ISDBT_SOUND_BROADCASTING:
- fe->dtv_property_cache.isdbt_sb_mode = tvp->u.data;
+ c->isdbt_sb_mode = tvp->u.data;
break;
case DTV_ISDBT_SB_SUBCHANNEL_ID:
- fe->dtv_property_cache.isdbt_sb_subchannel = tvp->u.data;
+ c->isdbt_sb_subchannel = tvp->u.data;
break;
case DTV_ISDBT_SB_SEGMENT_IDX:
- fe->dtv_property_cache.isdbt_sb_segment_idx = tvp->u.data;
+ c->isdbt_sb_segment_idx = tvp->u.data;
break;
case DTV_ISDBT_SB_SEGMENT_COUNT:
- fe->dtv_property_cache.isdbt_sb_segment_count = tvp->u.data;
+ c->isdbt_sb_segment_count = tvp->u.data;
break;
case DTV_ISDBT_LAYER_ENABLED:
- fe->dtv_property_cache.isdbt_layer_enabled = tvp->u.data;
+ c->isdbt_layer_enabled = tvp->u.data;
break;
case DTV_ISDBT_LAYERA_FEC:
- fe->dtv_property_cache.layer[0].fec = tvp->u.data;
+ c->layer[0].fec = tvp->u.data;
break;
case DTV_ISDBT_LAYERA_MODULATION:
- fe->dtv_property_cache.layer[0].modulation = tvp->u.data;
+ c->layer[0].modulation = tvp->u.data;
break;
case DTV_ISDBT_LAYERA_SEGMENT_COUNT:
- fe->dtv_property_cache.layer[0].segment_count = tvp->u.data;
+ c->layer[0].segment_count = tvp->u.data;
break;
case DTV_ISDBT_LAYERA_TIME_INTERLEAVING:
- fe->dtv_property_cache.layer[0].interleaving = tvp->u.data;
+ c->layer[0].interleaving = tvp->u.data;
break;
case DTV_ISDBT_LAYERB_FEC:
- fe->dtv_property_cache.layer[1].fec = tvp->u.data;
+ c->layer[1].fec = tvp->u.data;
break;
case DTV_ISDBT_LAYERB_MODULATION:
- fe->dtv_property_cache.layer[1].modulation = tvp->u.data;
+ c->layer[1].modulation = tvp->u.data;
break;
case DTV_ISDBT_LAYERB_SEGMENT_COUNT:
- fe->dtv_property_cache.layer[1].segment_count = tvp->u.data;
+ c->layer[1].segment_count = tvp->u.data;
break;
case DTV_ISDBT_LAYERB_TIME_INTERLEAVING:
- fe->dtv_property_cache.layer[1].interleaving = tvp->u.data;
+ c->layer[1].interleaving = tvp->u.data;
break;
case DTV_ISDBT_LAYERC_FEC:
- fe->dtv_property_cache.layer[2].fec = tvp->u.data;
+ c->layer[2].fec = tvp->u.data;
break;
case DTV_ISDBT_LAYERC_MODULATION:
- fe->dtv_property_cache.layer[2].modulation = tvp->u.data;
+ c->layer[2].modulation = tvp->u.data;
break;
case DTV_ISDBT_LAYERC_SEGMENT_COUNT:
- fe->dtv_property_cache.layer[2].segment_count = tvp->u.data;
+ c->layer[2].segment_count = tvp->u.data;
break;
case DTV_ISDBT_LAYERC_TIME_INTERLEAVING:
- fe->dtv_property_cache.layer[2].interleaving = tvp->u.data;
+ c->layer[2].interleaving = tvp->u.data;
break;
case DTV_ISDBS_TS_ID:
- fe->dtv_property_cache.isdbs_ts_id = tvp->u.data;
+ c->isdbs_ts_id = tvp->u.data;
+ break;
+ case DTV_DVBT2_PLP_ID:
+ c->dvbt2_plp_id = tvp->u.data;
break;
default:
- r = -1;
+ return -EINVAL;
}
return r;
@@ -1491,6 +1505,7 @@ static int dvb_frontend_ioctl(struct file *file,
{
struct dvb_device *dvbdev = file->private_data;
struct dvb_frontend *fe = dvbdev->priv;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
struct dvb_frontend_private *fepriv = fe->frontend_priv;
int err = -EOPNOTSUPP;
@@ -1510,7 +1525,7 @@ static int dvb_frontend_ioctl(struct file *file,
if ((cmd == FE_SET_PROPERTY) || (cmd == FE_GET_PROPERTY))
err = dvb_frontend_ioctl_properties(file, cmd, parg);
else {
- fe->dtv_property_cache.state = DTV_UNDEFINED;
+ c->state = DTV_UNDEFINED;
err = dvb_frontend_ioctl_legacy(file, cmd, parg);
}
@@ -1523,6 +1538,7 @@ static int dvb_frontend_ioctl_properties(struct file *file,
{
struct dvb_device *dvbdev = file->private_data;
struct dvb_frontend *fe = dvbdev->priv;
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int err = 0;
struct dtv_properties *tvps = NULL;
@@ -1554,11 +1570,13 @@ static int dvb_frontend_ioctl_properties(struct file *file,
}
for (i = 0; i < tvps->num; i++) {
- (tvp + i)->result = dtv_property_process_set(fe, tvp + i, file);
- err |= (tvp + i)->result;
+ err = dtv_property_process_set(fe, tvp + i, file);
+ if (err < 0)
+ goto out;
+ (tvp + i)->result = err;
}
- if(fe->dtv_property_cache.state == DTV_TUNE)
+ if (c->state == DTV_TUNE)
dprintk("%s() Property cache is full, tuning\n", __func__);
} else
@@ -1586,8 +1604,10 @@ static int dvb_frontend_ioctl_properties(struct file *file,
}
for (i = 0; i < tvps->num; i++) {
- (tvp + i)->result = dtv_property_process_get(fe, tvp + i, file);
- err |= (tvp + i)->result;
+ err = dtv_property_process_get(fe, tvp + i, file);
+ if (err < 0)
+ goto out;
+ (tvp + i)->result = err;
}
if (copy_to_user(tvps->props, tvp, tvps->num * sizeof(struct dtv_property))) {
@@ -1787,10 +1807,11 @@ static int dvb_frontend_ioctl_legacy(struct file *file,
break;
case FE_SET_FRONTEND: {
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
struct dvb_frontend_tune_settings fetunesettings;
- if(fe->dtv_property_cache.state == DTV_TUNE) {
- if (dvb_frontend_check_parameters(fe, &fepriv->parameters) < 0) {
+ if (c->state == DTV_TUNE) {
+ if (dvb_frontend_check_parameters(fe, &fepriv->parameters_in) < 0) {
err = -EINVAL;
break;
}
@@ -1800,9 +1821,9 @@ static int dvb_frontend_ioctl_legacy(struct file *file,
break;
}
- memcpy (&fepriv->parameters, parg,
+ memcpy (&fepriv->parameters_in, parg,
sizeof (struct dvb_frontend_parameters));
- dtv_property_cache_sync(fe, &fepriv->parameters);
+ dtv_property_cache_sync(fe, c, &fepriv->parameters_in);
}
memset(&fetunesettings, 0, sizeof(struct dvb_frontend_tune_settings));
@@ -1811,15 +1832,15 @@ static int dvb_frontend_ioctl_legacy(struct file *file,
/* force auto frequency inversion if requested */
if (dvb_force_auto_inversion) {
- fepriv->parameters.inversion = INVERSION_AUTO;
+ fepriv->parameters_in.inversion = INVERSION_AUTO;
fetunesettings.parameters.inversion = INVERSION_AUTO;
}
if (fe->ops.info.type == FE_OFDM) {
/* without hierarchical coding code_rate_LP is irrelevant,
* so we tolerate the otherwise invalid FEC_NONE setting */
- if (fepriv->parameters.u.ofdm.hierarchy_information == HIERARCHY_NONE &&
- fepriv->parameters.u.ofdm.code_rate_LP == FEC_NONE)
- fepriv->parameters.u.ofdm.code_rate_LP = FEC_AUTO;
+ if (fepriv->parameters_in.u.ofdm.hierarchy_information == HIERARCHY_NONE &&
+ fepriv->parameters_in.u.ofdm.code_rate_LP == FEC_NONE)
+ fepriv->parameters_in.u.ofdm.code_rate_LP = FEC_AUTO;
}
/* get frontend-specific tuning settings */
@@ -1832,8 +1853,8 @@ static int dvb_frontend_ioctl_legacy(struct file *file,
switch(fe->ops.info.type) {
case FE_QPSK:
fepriv->min_delay = HZ/20;
- fepriv->step_size = fepriv->parameters.u.qpsk.symbol_rate / 16000;
- fepriv->max_drift = fepriv->parameters.u.qpsk.symbol_rate / 2000;
+ fepriv->step_size = fepriv->parameters_in.u.qpsk.symbol_rate / 16000;
+ fepriv->max_drift = fepriv->parameters_in.u.qpsk.symbol_rate / 2000;
break;
case FE_QAM:
@@ -1875,8 +1896,8 @@ static int dvb_frontend_ioctl_legacy(struct file *file,
case FE_GET_FRONTEND:
if (fe->ops.get_frontend) {
- memcpy (parg, &fepriv->parameters, sizeof (struct dvb_frontend_parameters));
- err = fe->ops.get_frontend(fe, (struct dvb_frontend_parameters*) parg);
+ err = fe->ops.get_frontend(fe, &fepriv->parameters_out);
+ memcpy(parg, &fepriv->parameters_out, sizeof(struct dvb_frontend_parameters));
}
break;
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-26 09:32:18 +0000