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| author | Trent Piepho <xyzzy@speakeasy.org> | 2006-04-06 10:03:09 +0100 |
|---|---|---|
| committer | Trent Piepho <xyzzy@speakeasy.org> | 2006-04-06 10:03:09 +0100 |
| commit | 90b3eeab5b4a9004ebe62de315b0be80835332c5 (patch) | |
| tree | d8178a00a584de4e121ad39d77190b61d7321c29 /linux/drivers/media/dvb | |
| parent | 2fec184983c06bf36e79ddae3c2ddf2d8ab61f2d (diff) | |
| download | mediapointer-dvb-s2-90b3eeab5b4a9004ebe62de315b0be80835332c5.tar.gz mediapointer-dvb-s2-90b3eeab5b4a9004ebe62de315b0be80835332c5.tar.bz2 | |
Add support for FE_GET_FRONTEND to or51132 frontend
From: Trent Piepho <xyzzy@speakeasy.org>
Adds the FE_GET_FRONTEND ioctl to the or51132 frontend. Current modulation is
read from the hardware, while frequency is taken from the driver's state.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Diffstat (limited to 'linux/drivers/media/dvb')
| -rw-r--r-- | linux/drivers/media/dvb/frontends/or51132.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/linux/drivers/media/dvb/frontends/or51132.c b/linux/drivers/media/dvb/frontends/or51132.c index 619856b07..c25ec7344 100644 --- a/linux/drivers/media/dvb/frontends/or51132.c +++ b/linux/drivers/media/dvb/frontends/or51132.c @@ -400,6 +400,44 @@ static int or51132_set_parameters(struct dvb_frontend* fe, return 0; } +static int or51132_get_parameters(struct dvb_frontend* fe, + struct dvb_frontend_parameters *param) +{ + struct or51132_state* state = fe->demodulator_priv; + u8 buf[2]; + + /* Receiver Status */ + buf[0]=0x04; + buf[1]=0x00; + msleep(30); /* 30ms */ + if (i2c_writebytes(state,state->config->demod_address,buf,2)) { + printk(KERN_WARNING "or51132: get_parameters write error\n"); + return -EREMOTEIO; + } + msleep(30); /* 30ms */ + if (i2c_readbytes(state,state->config->demod_address,buf,2)) { + printk(KERN_WARNING "or51132: get_parameters read error\n"); + return -EREMOTEIO; + } + switch(buf[0]) { + case 0x06: param->u.vsb.modulation = VSB_8; break; + case 0x43: param->u.vsb.modulation = QAM_64; break; + case 0x45: param->u.vsb.modulation = QAM_256; break; + default: + printk(KERN_WARNING "or51132: unknown status 0x%02x\n", + buf[0]); + return -EREMOTEIO; + } + + /* FIXME: Read frequency from frontend, take AFC into account */ + param->frequency = state->current_frequency; + + /* FIXME: How to read inversion setting? Receiver 6 register? */ + param->inversion = INVERSION_AUTO; + + return 0; +} + static int or51132_read_status(struct dvb_frontend* fe, fe_status_t* status) { struct or51132_state* state = fe->demodulator_priv; @@ -618,6 +656,7 @@ static struct dvb_frontend_ops or51132_ops = { .sleep = or51132_sleep, .set_frontend = or51132_set_parameters, + .get_frontend = or51132_get_parameters, .get_tune_settings = or51132_get_tune_settings, .read_status = or51132_read_status, |