static int af9015_af9013_frontend_attach(struct dvb_usb_adapter *adap)
{
int ret;
if (adap->id == 1) {
/* copy firmware to 2nd demodulator */
if (af9015_config.dual_mode) {
ret = af9015_copy_firmware(adap->dev);
if (ret) {
err("firmware copy to 2nd frontend " \
"failed, will disable it");
af9015_config.dual_mode = 0;
return -ENODEV;
}
} else {
return -ENODEV;
}
}
/* attach demodulator */
adap->fe[0] = dvb_attach(af9013_attach, &af9015_af9013_config[adap->id],
&adap->dev->i2c_adap);
return adap->fe[0] == NULL ? -ENODEV : 0;
}
static int af9015_af9013_frontend_attach(struct dvb_usb_adapter *adap)
{
int ret;
struct af9015_state *state = adap->dev->priv;
if (adap->id == 1) {
/* copy firmware to 2nd demodulator */
if (af9015_config.dual_mode) {
ret = af9015_copy_firmware(adap->dev);
if (ret) {
err("firmware copy to 2nd frontend " \
"failed, will disable it");
af9015_config.dual_mode = 0;
return -ENODEV;
}
} else {
return -ENODEV;
}
}
/* attach demodulator */
adap->fe_adap[0].fe = dvb_attach(af9013_attach,
&af9015_af9013_config[adap->id], &adap->dev->i2c_adap);
/*
* AF9015 firmware does not like if it gets interrupted by I2C adapter
* request on some critical phases. During normal operation I2C adapter
* is used only 2nd demodulator and tuner on dual tuner devices.
* Override demodulator callbacks and use mutex for limit access to
* those "critical" paths to keep AF9015 happy.
* Note: we abuse unused usb_mutex here.
*/
if (adap->fe_adap[0].fe) {
state->set_frontend[adap->id] =
adap->fe_adap[0].fe->ops.set_frontend;
adap->fe_adap[0].fe->ops.set_frontend =
af9015_af9013_set_frontend;
state->read_status[adap->id] =
adap->fe_adap[0].fe->ops.read_status;
adap->fe_adap[0].fe->ops.read_status =
af9015_af9013_read_status;
state->init[adap->id] = adap->fe_adap[0].fe->ops.init;
adap->fe_adap[0].fe->ops.init = af9015_af9013_init;
state->sleep[adap->id] = adap->fe_adap[0].fe->ops.sleep;
adap->fe_adap[0].fe->ops.sleep = af9015_af9013_sleep;
}
return adap->fe_adap[0].fe == NULL ? -ENODEV : 0;
}
static int af9015_af9013_frontend_attach(struct dvb_usb_adapter *adap)
{
int ret;
struct af9015_state *state = adap_to_priv(adap);
if (adap->id == 0) {
state->af9013_config[0].ts_mode = AF9013_TS_USB;
memcpy(state->af9013_config[0].api_version, "\x0\x1\x9\x0", 4);
state->af9013_config[0].gpio[0] = AF9013_GPIO_HI;
state->af9013_config[0].gpio[3] = AF9013_GPIO_TUNER_ON;
} else if (adap->id == 1) {
state->af9013_config[1].ts_mode = AF9013_TS_SERIAL;
memcpy(state->af9013_config[1].api_version, "\x0\x1\x9\x0", 4);
state->af9013_config[1].gpio[0] = AF9013_GPIO_TUNER_ON;
state->af9013_config[1].gpio[1] = AF9013_GPIO_LO;
/* copy firmware to 2nd demodulator */
if (state->dual_mode) {
ret = af9015_copy_firmware(adap_to_d(adap));
if (ret) {
dev_err(&adap_to_d(adap)->udev->dev,
"%s: firmware copy to 2nd " \
"frontend failed, will " \
"disable it\n", KBUILD_MODNAME);
state->dual_mode = 0;
return -ENODEV;
}
} else {
return -ENODEV;
}
}
/* attach demodulator */
adap->fe[0] = dvb_attach(af9013_attach,
&state->af9013_config[adap->id], &adap_to_d(adap)->i2c_adap);
/*
* AF9015 firmware does not like if it gets interrupted by I2C adapter
* request on some critical phases. During normal operation I2C adapter
* is used only 2nd demodulator and tuner on dual tuner devices.
* Override demodulator callbacks and use mutex for limit access to
* those "critical" paths to keep AF9015 happy.
*/
if (adap->fe[0]) {
state->set_frontend[adap->id] =
adap->fe[0]->ops.set_frontend;
adap->fe[0]->ops.set_frontend =
af9015_af9013_set_frontend;
state->read_status[adap->id] =
adap->fe[0]->ops.read_status;
adap->fe[0]->ops.read_status =
af9015_af9013_read_status;
state->init[adap->id] = adap->fe[0]->ops.init;
adap->fe[0]->ops.init = af9015_af9013_init;
state->sleep[adap->id] = adap->fe[0]->ops.sleep;
adap->fe[0]->ops.sleep = af9015_af9013_sleep;
}
return adap->fe[0] == NULL ? -ENODEV : 0;
}