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media: pvrusb2: Add multiple dvb frontend support

瀏覽代碼 
All changes are equivalent and backwards compatible.
All current devices have been changed to use fe[0]
Code has been added to dvb init to support cleanup after failure.

Multiple frontends are required by Hauppauge HVR-1975, which is in a
later commit.

Signed-off-by: Brad Love <brad@nextdimension.cc>
Reviewed-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Brad Love
2019-05-30 16:32:25 -04:00
committed by Mauro Carvalho Chehab
父節點 d5cb82b01a
當前提交 cac821d2ea
共有 3 個文件被更改，包括 82 次插入 和 43 次删除
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46
drivers/media/usb/pvrusb2/pvrusb2-devattr.c
查看文件

@@ -188,10 +188,10 @@ static struct lgdt330x_config pvr2_lgdt3303_config = {
static int pvr2_lgdt3303_attach(struct pvr2_dvb_adapter *adap)
{
adap->fe = dvb_attach(lgdt330x_attach, &pvr2_lgdt3303_config,
0x0e,
&adap->channel.hdw->i2c_adap);
if (adap->fe)
adap->fe[0] = dvb_attach(lgdt330x_attach, &pvr2_lgdt3303_config,
0x0e,
&adap->channel.hdw->i2c_adap);
if (adap->fe[0])
return 0;
return -EIO;
@@ -199,7 +199,7 @@ static int pvr2_lgdt3303_attach(struct pvr2_dvb_adapter *adap)
static int pvr2_lgh06xf_attach(struct pvr2_dvb_adapter *adap)
{
dvb_attach(simple_tuner_attach, adap->fe,
dvb_attach(simple_tuner_attach, adap->fe[0],
&adap->channel.hdw->i2c_adap, 0x61,
TUNER_LG_TDVS_H06XF);
@@ -248,10 +248,10 @@ static struct lgdt330x_config pvr2_lgdt3302_config = {
static int pvr2_lgdt3302_attach(struct pvr2_dvb_adapter *adap)
{
adap->fe = dvb_attach(lgdt330x_attach, &pvr2_lgdt3302_config,
0x0e,
&adap->channel.hdw->i2c_adap);
if (adap->fe)
adap->fe[0] = dvb_attach(lgdt330x_attach, &pvr2_lgdt3302_config,
0x0e,
&adap->channel.hdw->i2c_adap);
if (adap->fe[0])
return 0;
return -EIO;
@@ -259,7 +259,7 @@ static int pvr2_lgdt3302_attach(struct pvr2_dvb_adapter *adap)
static int pvr2_fcv1236d_attach(struct pvr2_dvb_adapter *adap)
{
dvb_attach(simple_tuner_attach, adap->fe,
dvb_attach(simple_tuner_attach, adap->fe[0],
&adap->channel.hdw->i2c_adap, 0x61,
TUNER_PHILIPS_FCV1236D);
@@ -335,9 +335,9 @@ static struct tda18271_config hauppauge_tda18271_dvb_config = {
static int pvr2_tda10048_attach(struct pvr2_dvb_adapter *adap)
{
adap->fe = dvb_attach(tda10048_attach, &hauppauge_tda10048_config,
&adap->channel.hdw->i2c_adap);
if (adap->fe)
adap->fe[0] = dvb_attach(tda10048_attach, &hauppauge_tda10048_config,
&adap->channel.hdw->i2c_adap);
if (adap->fe[0])
return 0;
return -EIO;
@@ -345,10 +345,10 @@ static int pvr2_tda10048_attach(struct pvr2_dvb_adapter *adap)
static int pvr2_73xxx_tda18271_8295_attach(struct pvr2_dvb_adapter *adap)
{
dvb_attach(tda829x_attach, adap->fe,
dvb_attach(tda829x_attach, adap->fe[0],
&adap->channel.hdw->i2c_adap, 0x42,
&tda829x_no_probe);
dvb_attach(tda18271_attach, adap->fe, 0x60,
dvb_attach(tda18271_attach, adap->fe[0], 0x60,
&adap->channel.hdw->i2c_adap,
&hauppauge_tda18271_dvb_config);
@@ -433,9 +433,9 @@ static struct tda18271_config hauppauge_tda18271_config = {
static int pvr2_s5h1409_attach(struct pvr2_dvb_adapter *adap)
{
adap->fe = dvb_attach(s5h1409_attach, &pvr2_s5h1409_config,
&adap->channel.hdw->i2c_adap);
if (adap->fe)
adap->fe[0] = dvb_attach(s5h1409_attach, &pvr2_s5h1409_config,
&adap->channel.hdw->i2c_adap);
if (adap->fe[0])
return 0;
return -EIO;
@@ -443,9 +443,9 @@ static int pvr2_s5h1409_attach(struct pvr2_dvb_adapter *adap)
static int pvr2_s5h1411_attach(struct pvr2_dvb_adapter *adap)
{
adap->fe = dvb_attach(s5h1411_attach, &pvr2_s5h1411_config,
&adap->channel.hdw->i2c_adap);
if (adap->fe)
adap->fe[0] = dvb_attach(s5h1411_attach, &pvr2_s5h1411_config,
&adap->channel.hdw->i2c_adap);
if (adap->fe[0])
return 0;
return -EIO;
@@ -453,10 +453,10 @@ static int pvr2_s5h1411_attach(struct pvr2_dvb_adapter *adap)
static int pvr2_tda18271_8295_attach(struct pvr2_dvb_adapter *adap)
{
dvb_attach(tda829x_attach, adap->fe,
dvb_attach(tda829x_attach, adap->fe[0],
&adap->channel.hdw->i2c_adap, 0x42,
&tda829x_no_probe);
dvb_attach(tda18271_attach, adap->fe, 0x60,
dvb_attach(tda18271_attach, adap->fe[0], 0x60,
&adap->channel.hdw->i2c_adap,
&hauppauge_tda18271_config);

77
drivers/media/usb/pvrusb2/pvrusb2-dvb.c
查看文件

@@ -343,26 +343,19 @@ static int pvr2_dvb_frontend_init(struct pvr2_dvb_adapter *adap)
goto done;
}
if ((dvb_props->frontend_attach(adap) == 0) && (adap->fe)) {
if (dvb_register_frontend(&adap->dvb_adap, adap->fe)) {
if (dvb_props->frontend_attach(adap) == 0 && adap->fe[0]) {
if (dvb_register_frontend(&adap->dvb_adap, adap->fe[0])) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"frontend registration failed!");
dvb_frontend_detach(adap->fe);
adap->fe = NULL;
ret = -ENODEV;
goto done;
goto fail_frontend0;
}
if (adap->fe[0]->ops.analog_ops.standby)
adap->fe[0]->ops.analog_ops.standby(adap->fe[0]);
if (dvb_props->tuner_attach)
dvb_props->tuner_attach(adap);
if (adap->fe->ops.analog_ops.standby)
adap->fe->ops.analog_ops.standby(adap->fe);
/* Ensure all frontends negotiate bus access */
adap->fe->ops.ts_bus_ctrl = pvr2_dvb_bus_ctrl;
pvr2_trace(PVR2_TRACE_INFO, "transferring fe[%d] ts_bus_ctrl() to pvr2_dvb_bus_ctrl()",
adap->fe[0]->id);
adap->fe[0]->ops.ts_bus_ctrl = pvr2_dvb_bus_ctrl;
} else {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"no frontend was attached!");
@@ -370,16 +363,62 @@ static int pvr2_dvb_frontend_init(struct pvr2_dvb_adapter *adap)
return ret;
}
done:
if (dvb_props->tuner_attach && dvb_props->tuner_attach(adap)) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS, "tuner attach failed");
ret = -ENODEV;
goto fail_tuner;
}
if (adap->fe[1]) {
adap->fe[1]->id = 1;
adap->fe[1]->tuner_priv = adap->fe[0]->tuner_priv;
memcpy(&adap->fe[1]->ops.tuner_ops,
&adap->fe[0]->ops.tuner_ops,
sizeof(struct dvb_tuner_ops));
if (dvb_register_frontend(&adap->dvb_adap, adap->fe[1])) {
pvr2_trace(PVR2_TRACE_ERROR_LEGS,
"frontend registration failed!");
ret = -ENODEV;
goto fail_frontend1;
}
/* MFE lock */
adap->dvb_adap.mfe_shared = 1;
if (adap->fe[1]->ops.analog_ops.standby)
adap->fe[1]->ops.analog_ops.standby(adap->fe[1]);
pvr2_trace(PVR2_TRACE_INFO, "transferring fe[%d] ts_bus_ctrl() to pvr2_dvb_bus_ctrl()",
adap->fe[1]->id);
adap->fe[1]->ops.ts_bus_ctrl = pvr2_dvb_bus_ctrl;
}
done:
pvr2_channel_limit_inputs(&adap->channel, 0);
return ret;
fail_frontend1:
dvb_frontend_detach(adap->fe[1]);
adap->fe[1] = NULL;
fail_tuner:
dvb_unregister_frontend(adap->fe[0]);
fail_frontend0:
dvb_frontend_detach(adap->fe[0]);
adap->fe[0] = NULL;
return ret;
}
static int pvr2_dvb_frontend_exit(struct pvr2_dvb_adapter *adap)
{
if (adap->fe != NULL) {
dvb_unregister_frontend(adap->fe);
dvb_frontend_detach(adap->fe);
if (adap->fe[1]) {
dvb_unregister_frontend(adap->fe[1]);
dvb_frontend_detach(adap->fe[1]);
adap->fe[1] = NULL;
}
if (adap->fe[0]) {
dvb_unregister_frontend(adap->fe[0]);
dvb_frontend_detach(adap->fe[0]);
adap->fe[0] = NULL;
}
return 0;
}

2
drivers/media/usb/pvrusb2/pvrusb2-dvb.h
查看文件

@@ -18,7 +18,7 @@ struct pvr2_dvb_adapter {
struct dmxdev dmxdev;
struct dvb_demux demux;
struct dvb_net dvb_net;
struct dvb_frontend *fe;
struct dvb_frontend *fe[2];
int feedcount;
int max_feed_count;