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[media] af9035: add support for fc0012 dual tuner configuration 

That adds support for AF9035 dual devices having FC0012 tuners.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari 2012-12-09 12:01:41 -03:00 committed by Mauro Carvalho Chehab
parent 3b0d51afa0
commit 0bb3d8ac87
1 changed files with 41 additions and 15 deletions
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56
drivers/media/usb/dvb-usb-v2/af9035.c
View File

@ -597,6 +597,8 @@ static int af9035_read_config(struct dvb_usb_device *d)
/* disable dual mode if driver does not support it */
if (i == 1)
switch (tmp) {
case AF9033_TUNER_FC0012:
break;
default:
state->dual_mode = false;
dev_info(&d->udev->dev, "%s: driver does not " \
@ -900,10 +902,18 @@ static const struct fc2580_config af9035_fc2580_config = {
.clock = 16384000,
};
static const struct fc0012_config af9035_fc0012_config = {
.i2c_address = 0x63,
.xtal_freq = FC_XTAL_36_MHZ,
.dual_master = 1,
static const struct fc0012_config af9035_fc0012_config[] = {
{
.i2c_address = 0x63,
.xtal_freq = FC_XTAL_36_MHZ,
.dual_master = 1,
.loop_through = true,
.clock_out = true,
}, {
.i2c_address = 0x63 | 0x80, /* I2C bus select hack */
.xtal_freq = FC_XTAL_36_MHZ,
.dual_master = 1,
}
};
static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
@ -912,6 +922,7 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
struct dvb_usb_device *d = adap_to_d(adap);
int ret;
struct dvb_frontend *fe;
struct i2c_msg msg[1];
u8 tuner_addr;
/*
* XXX: Hack used in that function: we abuse unused I2C address bit [7]
@ -1034,23 +1045,38 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
* my test I didn't find any difference.
*/
/* configure gpiot2 as output and high */
ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
if (ret < 0)
goto err;
if (adap->id == 0) {
/* configure gpiot2 as output and high */
ret = af9035_wr_reg_mask(d, 0xd8eb, 0x01, 0x01);
if (ret < 0)
goto err;
ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
if (ret < 0)
goto err;
ret = af9035_wr_reg_mask(d, 0xd8ec, 0x01, 0x01);
if (ret < 0)
goto err;
ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
if (ret < 0)
goto err;
ret = af9035_wr_reg_mask(d, 0xd8ed, 0x01, 0x01);
if (ret < 0)
goto err;
} else {
/*
* FIXME: That belongs for the FC0012 driver.
* Write 02 to FC0012 master tuner register 0d directly
* in order to make slave tuner working.
*/
msg[0].addr = 0x63;
msg[0].flags = 0;
msg[0].len = 2;
msg[0].buf = "\x0d\x02";
ret = i2c_transfer(&d->i2c_adap, msg, 1);
if (ret < 0)
goto err;
}
usleep_range(10000, 50000);
fe = dvb_attach(fc0012_attach, adap->fe[0], &d->i2c_adap,
&af9035_fc0012_config);
&af9035_fc0012_config[adap->id]);
break;
default:
fe = NULL;