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authorManu Abraham <abraham.manu@gmail.com>2006-06-21 10:27:26 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2006-06-25 02:05:15 -0300
commit8cfba6301c3c7e0d3332e237b99fefc0db001163 (patch)
tree4c04d234e7c232a2ca8a0a9bf46f0a7f7afbb4e0 /drivers/media
parent2e506a0faff0caa62e4c9531611684ff61cf1ca4 (diff)
downloadblackbird-op-linux-8cfba6301c3c7e0d3332e237b99fefc0db001163.tar.gz
blackbird-op-linux-8cfba6301c3c7e0d3332e237b99fefc0db001163.zip
V4L/DVB (4159): Implement tuning algorithm as a module parameter
Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/dvb/bt8xx/dst.c52
1 files changed, 47 insertions, 5 deletions
diff --git a/drivers/media/dvb/bt8xx/dst.c b/drivers/media/dvb/bt8xx/dst.c
index 2346667721bc..df97210b6b5a 100644
--- a/drivers/media/dvb/bt8xx/dst.c
+++ b/drivers/media/dvb/bt8xx/dst.c
@@ -38,6 +38,10 @@ static unsigned int dst_addons;
module_param(dst_addons, int, 0644);
MODULE_PARM_DESC(dst_addons, "CA daughterboard, default is 0 (No addons)");
+static unsigned int dst_algo;
+module_param(dst_algo, int, 0644);
+MODULE_PARM_DESC(dst_algo, "tuning algo: default is 0=(SW), 1=(HW)");
+
#define HAS_LOCK 1
#define ATTEMPT_TUNE 2
#define HAS_POWER 4
@@ -1360,7 +1364,36 @@ static int dst_read_snr(struct dvb_frontend *fe, u16 *snr)
return 0;
}
-static int dst_set_frontend(struct dvb_frontend* fe,
+static int dst_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
+{
+ struct dst_state *state = fe->demodulator_priv;
+
+ if (p != NULL) {
+ dst_set_freq(state, p->frequency);
+ dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency);
+
+ if (state->dst_type == DST_TYPE_IS_SAT) {
+ if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
+ dst_set_inversion(state, p->inversion);
+ dst_set_fec(state, p->u.qpsk.fec_inner);
+ dst_set_symbolrate(state, p->u.qpsk.symbol_rate);
+ dst_set_polarization(state);
+ dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->u.qpsk.symbol_rate);
+
+ } else if (state->dst_type == DST_TYPE_IS_TERR)
+ dst_set_bandwidth(state, p->u.ofdm.bandwidth);
+ else if (state->dst_type == DST_TYPE_IS_CABLE) {
+ dst_set_fec(state, p->u.qam.fec_inner);
+ dst_set_symbolrate(state, p->u.qam.symbol_rate);
+ dst_set_modulation(state, p->u.qam.modulation);
+ }
+ dst_write_tuna(fe);
+ }
+
+ return 0;
+}
+
+static int dst_tune_frontend(struct dvb_frontend* fe,
struct dvb_frontend_parameters* p,
unsigned int mode_flags,
int *delay,
@@ -1397,6 +1430,11 @@ static int dst_set_frontend(struct dvb_frontend* fe,
return 0;
}
+static int dst_get_tuning_algo(struct dvb_frontend *fe)
+{
+ return dst_algo;
+}
+
static int dst_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p)
{
struct dst_state *state = fe->demodulator_priv;
@@ -1476,7 +1514,8 @@ static struct dvb_frontend_ops dst_dvbt_ops = {
.release = dst_release,
.init = dst_init,
- .tune = dst_set_frontend,
+ .tune = dst_tune_frontend,
+ .set_frontend = dst_set_frontend,
.get_frontend = dst_get_frontend,
.read_status = dst_read_status,
.read_signal_strength = dst_read_signal_strength,
@@ -1500,7 +1539,8 @@ static struct dvb_frontend_ops dst_dvbs_ops = {
.release = dst_release,
.init = dst_init,
- .tune = dst_set_frontend,
+ .tune = dst_tune_frontend,
+ .set_frontend = dst_set_frontend,
.get_frontend = dst_get_frontend,
.read_status = dst_read_status,
.read_signal_strength = dst_read_signal_strength,
@@ -1527,7 +1567,8 @@ static struct dvb_frontend_ops dst_dvbc_ops = {
.release = dst_release,
.init = dst_init,
- .tune = dst_set_frontend,
+ .tune = dst_tune_frontend,
+ .set_frontend = dst_set_frontend,
.get_frontend = dst_get_frontend,
.read_status = dst_read_status,
.read_signal_strength = dst_read_signal_strength,
@@ -1548,7 +1589,8 @@ static struct dvb_frontend_ops dst_atsc_ops = {
.release = dst_release,
.init = dst_init,
- .tune = dst_set_frontend,
+ .tune = dst_tune_frontend,
+ .set_frontend = dst_set_frontend,
.get_frontend = dst_get_frontend,
.read_status = dst_read_status,
.read_signal_strength = dst_read_signal_strength,
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