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V4L/DVB (12097): Implement reading uncorrected blocks for stv0900 

Signed-off-by: Abylay Ospan <aospan@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Abylay Ospan 2009-06-08 04:31:26 -03:00 committed by Mauro Carvalho Chehab
parent 68191edeb5
commit ee1ebcfea6
1 changed files with 39 additions and 0 deletions
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39
drivers/media/dvb/frontends/stv0900_core.c
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@ -712,6 +712,44 @@ static s32 stv0900_carr_get_quality(struct dvb_frontend *fe,
return c_n;
}
static int stv0900_read_ucblocks(struct dvb_frontend *fe, u32 * ucblocks)
{
struct stv0900_state *state = fe->demodulator_priv;
struct stv0900_internal *i_params = state->internal;
enum fe_stv0900_demod_num demod = state->demod;
u8 err_val1, err_val0;
s32 err_field1, err_field0;
u32 header_err_val = 0;
*ucblocks = 0x0;
if (stv0900_get_standard(fe, demod) == STV0900_DVBS2_STANDARD) {
/* DVB-S2 delineator errors count */
/* retreiving number for errnous headers */
dmd_reg(err_field0, R0900_P1_BBFCRCKO0,
R0900_P2_BBFCRCKO0);
dmd_reg(err_field1, R0900_P1_BBFCRCKO1,
R0900_P2_BBFCRCKO1);
err_val1 = stv0900_read_reg(i_params, err_field1);
err_val0 = stv0900_read_reg(i_params, err_field0);
header_err_val = (err_val1<<8) | err_val0;
/* retreiving number for errnous packets */
dmd_reg(err_field0, R0900_P1_UPCRCKO0,
R0900_P2_UPCRCKO0);
dmd_reg(err_field1, R0900_P1_UPCRCKO1,
R0900_P2_UPCRCKO1);
err_val1 = stv0900_read_reg(i_params, err_field1);
err_val0 = stv0900_read_reg(i_params, err_field0);
*ucblocks = (err_val1<<8) | err_val0;
*ucblocks += header_err_val;
}
return 0;
}
static int stv0900_read_snr(struct dvb_frontend *fe, u16 *snr)
{
*snr = stv0900_carr_get_quality(fe,
@ -1882,6 +1920,7 @@ static struct dvb_frontend_ops stv0900_ops = {
.read_ber = stv0900_read_ber,
.read_signal_strength = stv0900_read_signal_strength,
.read_snr = stv0900_read_snr,
.read_ucblocks = stv0900_read_ucblocks,
};
struct dvb_frontend *stv0900_attach(const struct stv0900_config *config,