---
drivers/media/usb/dvb-usb/gp8psk-fe.c | 111 +++++++++++++++++++++++++++++++++-
drivers/media/usb/dvb-usb/gp8psk.h | 1 +
include/uapi/linux/dvb/frontend.h | 1 +
3 files changed, 111 insertions(+), 2 deletions(-)
diff --git a/drivers/media/usb/dvb-usb/gp8psk-fe.c
b/drivers/media/usb/dvb-usb/gp8psk-fe.c
index fcdf82c..4e61c48 100644
--- a/drivers/media/usb/dvb-usb/gp8psk-fe.c
+++ b/drivers/media/usb/dvb-usb/gp8psk-fe.c
@@ -53,7 +53,42 @@ static int gp8psk_fe_update_status(struct gp8psk_fe_state
*st)
static int gp8psk_fe_read_status(struct dvb_frontend* fe, fe_status_t *status)
{
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
struct gp8psk_fe_state *st = fe->demodulator_priv;
+
+ u8 buf[32];
+ int frequency;
+ int carrier_error;
+ int carrier_offset;
+ int rate_error;
+ int rate_offset;
+ int symbol_rate;
+
+ int fe_gp8psk_system_return[] = {
+ SYS_DVBS,
+ SYS_TURBO,
+ SYS_TURBO,
+ SYS_TURBO,
+ SYS_DCII_C_QPSK,
+ SYS_DCII_I_QPSK,
+ SYS_DCII_Q_QPSK,
+ SYS_DCII_C_OQPSK,
+ SYS_DSS,
+ SYS_UNDEFINED
+ };
+
+ int fe_gp8psk_modulation_return[] = {
+ QPSK,
+ QPSK,
+ PSK_8,
+ QAM_16,
+ QPSK,
+ QPSK,
+ QPSK,
+ QPSK,
+ QPSK,
+ };
+
gp8psk_fe_update_status(st);
if (st->lock)
@@ -61,10 +96,82 @@ static int gp8psk_fe_read_status(struct dvb_frontend* fe,
fe_status_t *status)
else
*status = 0;
- if (*status & FE_HAS_LOCK)
+ if (*status & FE_HAS_LOCK) {
+ gp8psk_usb_in_op(st->d, GET_SIGNAL_STAT, 0, 0, buf, 32);
+ frequency = ((buf[11] << 24) + (buf[10] << 16) +
(buf[9] << 8) + buf[8]) / 1000;
+ carrier_error = ((buf[15] << 24) + (buf[14] << 16) + (buf[13]
<< 8) + buf[12]) / 1000;
+ carrier_offset = (buf[19] << 24) + (buf[18] << 16) + (buf[17]
<< 8) + buf[16];
+ rate_error = (buf[23] << 24) + (buf[22] << 16) +
(buf[21] << 8) + buf[20];
+ rate_offset = (buf[27] << 24) + (buf[26] << 16) +
(buf[25] << 8) + buf[24];
+ symbol_rate = (buf[31] << 24) + (buf[30] << 16) +
(buf[29] << 8) + buf[28];
+
+ c->frequency = frequency - carrier_error;
+ c->symbol_rate = symbol_rate + rate_error;
+
+ switch (c->delivery_system) {
+ case SYS_DSS:
+ case SYS_DVBS:
+ c->delivery_system =
fe_gp8psk_system_return[buf[1]];
+ c->modulation =
fe_gp8psk_modulation_return[buf[1]];
+ switch (buf[2]) {
+ case 0: c->fec_inner = FEC_1_2; break;
+ case 1: c->fec_inner = FEC_2_3; break;
+ case 2: c->fec_inner = FEC_3_4; break;
+ case 3: c->fec_inner = FEC_5_6; break;
+ case 4: c->fec_inner = FEC_6_7; break;
+ case 5: c->fec_inner = FEC_7_8; break;
+ default: c->fec_inner = FEC_AUTO; break;
+ }
+ break;
+ case SYS_TURBO:
+ c->delivery_system =
fe_gp8psk_system_return[buf[1]];
+ c->modulation =
fe_gp8psk_modulation_return[buf[1]];
+ if (c->modulation == QPSK) {
+ switch (buf[2]) {
+ case 0: c->fec_inner = FEC_7_8; break;
+ case 1: c->fec_inner = FEC_1_2; break;
+ case 2: c->fec_inner = FEC_3_4; break;
+ case 3: c->fec_inner = FEC_2_3; break;
+ case 4: c->fec_inner = FEC_5_6; break;
+ default: c->fec_inner = FEC_AUTO; break;
+ }
+ } else {
+ switch (buf[2]) {
+ case 0: c->fec_inner = FEC_2_3; break;
+ case 1: c->fec_inner = FEC_3_4; break;
+ case 2: c->fec_inner = FEC_3_4; break;
+ case 3: c->fec_inner = FEC_5_6; break;
+ case 4: c->fec_inner = FEC_8_9; break;
+ default: c->fec_inner = FEC_AUTO; break;
+ }
+ }
+ break;
+ case SYS_DCII_C_QPSK:
+ case SYS_DCII_I_QPSK:
+ case SYS_DCII_Q_QPSK:
+ case SYS_DCII_C_OQPSK:
+ c->modulation =
fe_gp8psk_modulation_return[buf[1]];
+ switch (buf[2]) {
+ case 0: c->fec_inner = FEC_5_11; break;
+ case 1: c->fec_inner = FEC_1_2; break;
+ case 2: c->fec_inner = FEC_3_5; break;
+ case 3: c->fec_inner = FEC_2_3; break;
+ case 4: c->fec_inner = FEC_3_4; break;
+ case 5: c->fec_inner = FEC_4_5; break;
+ case 6: c->fec_inner = FEC_5_6; break;
+ case 7: c->fec_inner = FEC_7_8; break;
+ default: c->fec_inner = FEC_AUTO; break;
+ }
+ break;
+ default:
+ c->fec_inner = FEC_AUTO;
+ break;
+ }
+
st->status_check_interval = 1000;
- else
+ } else {
st->status_check_interval = 100;
+ }
return 0;
}
diff --git a/drivers/media/usb/dvb-usb/gp8psk.h
b/drivers/media/usb/dvb-usb/gp8psk.h
index ff6bb3c..dbab86d 100644
--- a/drivers/media/usb/dvb-usb/gp8psk.h
+++ b/drivers/media/usb/dvb-usb/gp8psk.h
@@ -52,6 +52,7 @@ extern int dvb_usb_gp8psk_debug;
#define GET_SERIAL_NUMBER 0x93 /* in */
#define USE_EXTRA_VOLT 0x94
#define GET_FPGA_VERS 0x95
+#define GET_SIGNAL_STAT 0x9A
#define GET_BER_RATE 0x9B
#define CW3K_INIT 0x9d
diff --git a/include/uapi/linux/dvb/frontend.h
b/include/uapi/linux/dvb/frontend.h
index ada08a8..f123671 100644
--- a/include/uapi/linux/dvb/frontend.h
+++ b/include/uapi/linux/dvb/frontend.h
@@ -165,6 +165,7 @@ typedef enum fe_code_rate {
FEC_3_5,
FEC_9_10,
FEC_2_5,
+ FEC_5_11,
} fe_code_rate_t;
--
1.8.1.2
--
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