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Commit f71095be authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
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[media] em28xx: Multi Frontend (MFE) support 

Register multiple FEs for same adapter. After that it is
possible to register two FEs for same adapter. For example
one for DVB-T and one for DVB-C.
Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent f9d0bc1c
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Showing with 56 additions and 35 deletions
drivers/media/video/em28xx/em28xx-dvb.c
View file @ f71095be
...@@ -59,7 +59,7 @@ if (debug >= level) \ ...@@ -59,7 +59,7 @@ if (debug >= level) \
#define EM28XX_DVB_MAX_PACKETS 64 #define EM28XX_DVB_MAX_PACKETS 64
struct em28xx_dvb { struct em28xx_dvb {
struct dvb_frontend *frontend; struct dvb_frontend *fe[2];
/* feed count management */ /* feed count management */
struct mutex lock; struct mutex lock;
...@@ -345,17 +345,17 @@ static int attach_xc3028(u8 addr, struct em28xx *dev) ...@@ -345,17 +345,17 @@ static int attach_xc3028(u8 addr, struct em28xx *dev)
cfg.i2c_adap = &dev->i2c_adap; cfg.i2c_adap = &dev->i2c_adap;
cfg.i2c_addr = addr; cfg.i2c_addr = addr;
if (!dev->dvb->frontend) { if (!dev->dvb->fe[0]) {
em28xx_errdev("/2: dvb frontend not attached. " em28xx_errdev("/2: dvb frontend not attached. "
"Can't attach xc3028\n"); "Can't attach xc3028\n");
return -EINVAL; return -EINVAL;
} }
fe = dvb_attach(xc2028_attach, dev->dvb->frontend, &cfg); fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
if (!fe) { if (!fe) {
em28xx_errdev("/2: xc3028 attach failed\n"); em28xx_errdev("/2: xc3028 attach failed\n");
dvb_frontend_detach(dev->dvb->frontend); dvb_frontend_detach(dev->dvb->fe[0]);
dev->dvb->frontend = NULL; dev->dvb->fe[0] = NULL;
return -EINVAL; return -EINVAL;
} }
...@@ -385,16 +385,28 @@ static int register_dvb(struct em28xx_dvb *dvb, ...@@ -385,16 +385,28 @@ static int register_dvb(struct em28xx_dvb *dvb,
} }
/* Ensure all frontends negotiate bus access */ /* Ensure all frontends negotiate bus access */
dvb->frontend->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl; dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
if (dvb->fe[1])
dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;
dvb->adapter.priv = dev; dvb->adapter.priv = dev;
/* register frontend */ /* register frontend */
result = dvb_register_frontend(&dvb->adapter, dvb->frontend); result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
if (result < 0) { if (result < 0) {
printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n", printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
dev->name, result); dev->name, result);
goto fail_frontend; goto fail_frontend0;
}
/* register 2nd frontend */
if (dvb->fe[1]) {
result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);
if (result < 0) {
printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
dev->name, result);
goto fail_frontend1;
}
} }
/* register demux stuff */ /* register demux stuff */
...@@ -460,9 +472,14 @@ static int register_dvb(struct em28xx_dvb *dvb, ...@@ -460,9 +472,14 @@ static int register_dvb(struct em28xx_dvb *dvb,
fail_dmxdev: fail_dmxdev:
dvb_dmx_release(&dvb->demux); dvb_dmx_release(&dvb->demux);
fail_dmx: fail_dmx:
dvb_unregister_frontend(dvb->frontend); if (dvb->fe[1])
fail_frontend: dvb_unregister_frontend(dvb->fe[1]);
dvb_frontend_detach(dvb->frontend); dvb_unregister_frontend(dvb->fe[0]);
fail_frontend1:
if (dvb->fe[1])
dvb_frontend_detach(dvb->fe[1]);
fail_frontend0:
dvb_frontend_detach(dvb->fe[0]);
dvb_unregister_adapter(&dvb->adapter); dvb_unregister_adapter(&dvb->adapter);
fail_adapter: fail_adapter:
return result; return result;
...@@ -475,12 +492,15 @@ static void unregister_dvb(struct em28xx_dvb *dvb) ...@@ -475,12 +492,15 @@ static void unregister_dvb(struct em28xx_dvb *dvb)
dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);
dvb_dmxdev_release(&dvb->dmxdev); dvb_dmxdev_release(&dvb->dmxdev);
dvb_dmx_release(&dvb->demux); dvb_dmx_release(&dvb->demux);
dvb_unregister_frontend(dvb->frontend); if (dvb->fe[1])
dvb_frontend_detach(dvb->frontend); dvb_unregister_frontend(dvb->fe[1]);
dvb_unregister_frontend(dvb->fe[0]);
if (dvb->fe[1])
dvb_frontend_detach(dvb->fe[1]);
dvb_frontend_detach(dvb->fe[0]);
dvb_unregister_adapter(&dvb->adapter); dvb_unregister_adapter(&dvb->adapter);
} }
static int dvb_init(struct em28xx *dev) static int dvb_init(struct em28xx *dev)
{ {
int result = 0; int result = 0;
...@@ -499,16 +519,17 @@ static int dvb_init(struct em28xx *dev) ...@@ -499,16 +519,17 @@ static int dvb_init(struct em28xx *dev)
return -ENOMEM; return -ENOMEM;
} }
dev->dvb = dvb; dev->dvb = dvb;
dvb->fe[0] = dvb->fe[1] = NULL;
mutex_lock(&dev->lock); mutex_lock(&dev->lock);
em28xx_set_mode(dev, EM28XX_DIGITAL_MODE); em28xx_set_mode(dev, EM28XX_DIGITAL_MODE);
/* init frontend */ /* init frontend */
switch (dev->model) { switch (dev->model) {
case EM2874_LEADERSHIP_ISDBT: case EM2874_LEADERSHIP_ISDBT:
dvb->frontend = dvb_attach(s921_attach, dvb->fe[0] = dvb_attach(s921_attach,
&sharp_isdbt, &dev->i2c_adap); &sharp_isdbt, &dev->i2c_adap);
if (!dvb->frontend) { if (!dvb->fe[0]) {
result = -EINVAL; result = -EINVAL;
goto out_free; goto out_free;
} }
...@@ -518,7 +539,7 @@ static int dvb_init(struct em28xx *dev) ...@@ -518,7 +539,7 @@ static int dvb_init(struct em28xx *dev)
case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950: case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950:
case EM2880_BOARD_PINNACLE_PCTV_HD_PRO: case EM2880_BOARD_PINNACLE_PCTV_HD_PRO:
case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600: case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600:
dvb->frontend = dvb_attach(lgdt330x_attach, dvb->fe[0] = dvb_attach(lgdt330x_attach,
&em2880_lgdt3303_dev, &em2880_lgdt3303_dev,
&dev->i2c_adap); &dev->i2c_adap);
if (attach_xc3028(0x61, dev) < 0) { if (attach_xc3028(0x61, dev) < 0) {
...@@ -527,7 +548,7 @@ static int dvb_init(struct em28xx *dev) ...@@ -527,7 +548,7 @@ static int dvb_init(struct em28xx *dev)
} }
break; break;
case EM2880_BOARD_KWORLD_DVB_310U: case EM2880_BOARD_KWORLD_DVB_310U:
dvb->frontend = dvb_attach(zl10353_attach, dvb->fe[0] = dvb_attach(zl10353_attach,
&em28xx_zl10353_with_xc3028, &em28xx_zl10353_with_xc3028,
&dev->i2c_adap); &dev->i2c_adap);
if (attach_xc3028(0x61, dev) < 0) { if (attach_xc3028(0x61, dev) < 0) {
...@@ -538,7 +559,7 @@ static int dvb_init(struct em28xx *dev) ...@@ -538,7 +559,7 @@ static int dvb_init(struct em28xx *dev)
case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900: case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900:
case EM2882_BOARD_TERRATEC_HYBRID_XS: case EM2882_BOARD_TERRATEC_HYBRID_XS:
case EM2880_BOARD_EMPIRE_DUAL_TV: case EM2880_BOARD_EMPIRE_DUAL_TV:
dvb->frontend = dvb_attach(zl10353_attach, dvb->fe[0] = dvb_attach(zl10353_attach,
&em28xx_zl10353_xc3028_no_i2c_gate, &em28xx_zl10353_xc3028_no_i2c_gate,
&dev->i2c_adap); &dev->i2c_adap);
if (attach_xc3028(0x61, dev) < 0) { if (attach_xc3028(0x61, dev) < 0) {
...@@ -551,13 +572,13 @@ static int dvb_init(struct em28xx *dev) ...@@ -551,13 +572,13 @@ static int dvb_init(struct em28xx *dev)
case EM2881_BOARD_PINNACLE_HYBRID_PRO: case EM2881_BOARD_PINNACLE_HYBRID_PRO:
case EM2882_BOARD_DIKOM_DK300: case EM2882_BOARD_DIKOM_DK300:
case EM2882_BOARD_KWORLD_VS_DVBT: case EM2882_BOARD_KWORLD_VS_DVBT:
dvb->frontend = dvb_attach(zl10353_attach, dvb->fe[0] = dvb_attach(zl10353_attach,
&em28xx_zl10353_xc3028_no_i2c_gate, &em28xx_zl10353_xc3028_no_i2c_gate,
&dev->i2c_adap); &dev->i2c_adap);
if (dvb->frontend == NULL) { if (dvb->fe[0] == NULL) {
/* This board could have either a zl10353 or a mt352. /* This board could have either a zl10353 or a mt352.
If the chip id isn't for zl10353, try mt352 */ If the chip id isn't for zl10353, try mt352 */
dvb->frontend = dvb_attach(mt352_attach, dvb->fe[0] = dvb_attach(mt352_attach,
&terratec_xs_mt352_cfg, &terratec_xs_mt352_cfg,
&dev->i2c_adap); &dev->i2c_adap);
} }
...@@ -569,7 +590,7 @@ static int dvb_init(struct em28xx *dev) ...@@ -569,7 +590,7 @@ static int dvb_init(struct em28xx *dev)
break; break;
case EM2883_BOARD_KWORLD_HYBRID_330U: case EM2883_BOARD_KWORLD_HYBRID_330U:
case EM2882_BOARD_EVGA_INDTUBE: case EM2882_BOARD_EVGA_INDTUBE:
dvb->frontend = dvb_attach(s5h1409_attach, dvb->fe[0] = dvb_attach(s5h1409_attach,
&em28xx_s5h1409_with_xc3028, &em28xx_s5h1409_with_xc3028,
&dev->i2c_adap); &dev->i2c_adap);
if (attach_xc3028(0x61, dev) < 0) { if (attach_xc3028(0x61, dev) < 0) {
...@@ -578,11 +599,11 @@ static int dvb_init(struct em28xx *dev) ...@@ -578,11 +599,11 @@ static int dvb_init(struct em28xx *dev)
} }
break; break;
case EM2882_BOARD_KWORLD_ATSC_315U: case EM2882_BOARD_KWORLD_ATSC_315U:
dvb->frontend = dvb_attach(lgdt330x_attach, dvb->fe[0] = dvb_attach(lgdt330x_attach,
&em2880_lgdt3303_dev, &em2880_lgdt3303_dev,
&dev->i2c_adap); &dev->i2c_adap);
if (dvb->frontend != NULL) { if (dvb->fe[0] != NULL) {
if (!dvb_attach(simple_tuner_attach, dvb->frontend, if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
&dev->i2c_adap, 0x61, TUNER_THOMSON_DTT761X)) { &dev->i2c_adap, 0x61, TUNER_THOMSON_DTT761X)) {
result = -EINVAL; result = -EINVAL;
goto out_free; goto out_free;
...@@ -591,7 +612,7 @@ static int dvb_init(struct em28xx *dev) ...@@ -591,7 +612,7 @@ static int dvb_init(struct em28xx *dev)
break; break;
case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2: case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2:
case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E: case EM2882_BOARD_PINNACLE_HYBRID_PRO_330E:
dvb->frontend = dvb_attach(drxd_attach, &em28xx_drxd, NULL, dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,
&dev->i2c_adap, &dev->udev->dev); &dev->i2c_adap, &dev->udev->dev);
if (attach_xc3028(0x61, dev) < 0) { if (attach_xc3028(0x61, dev) < 0) {
result = -EINVAL; result = -EINVAL;
...@@ -600,11 +621,11 @@ static int dvb_init(struct em28xx *dev) ...@@ -600,11 +621,11 @@ static int dvb_init(struct em28xx *dev)
break; break;
case EM2870_BOARD_REDDO_DVB_C_USB_BOX: case EM2870_BOARD_REDDO_DVB_C_USB_BOX:
/* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */ /* Philips CU1216L NIM (Philips TDA10023 + Infineon TUA6034) */
dvb->frontend = dvb_attach(tda10023_attach, dvb->fe[0] = dvb_attach(tda10023_attach,
&em28xx_tda10023_config, &em28xx_tda10023_config,
&dev->i2c_adap, 0x48); &dev->i2c_adap, 0x48);
if (dvb->frontend) { if (dvb->fe[0]) {
if (!dvb_attach(simple_tuner_attach, dvb->frontend, if (!dvb_attach(simple_tuner_attach, dvb->fe[0],
&dev->i2c_adap, 0x60, TUNER_PHILIPS_CU1216L)) { &dev->i2c_adap, 0x60, TUNER_PHILIPS_CU1216L)) {
result = -EINVAL; result = -EINVAL;
goto out_free; goto out_free;
...@@ -612,11 +633,11 @@ static int dvb_init(struct em28xx *dev) ...@@ -612,11 +633,11 @@ static int dvb_init(struct em28xx *dev)
} }
break; break;
case EM2870_BOARD_KWORLD_A340: case EM2870_BOARD_KWORLD_A340:
dvb->frontend = dvb_attach(lgdt3305_attach, dvb->fe[0] = dvb_attach(lgdt3305_attach,
&em2870_lgdt3304_dev, &em2870_lgdt3304_dev,
&dev->i2c_adap); &dev->i2c_adap);
if (dvb->frontend != NULL) if (dvb->fe[0] != NULL)
dvb_attach(tda18271_attach, dvb->frontend, 0x60, dvb_attach(tda18271_attach, dvb->fe[0], 0x60,
&dev->i2c_adap, &kworld_a340_config); &dev->i2c_adap, &kworld_a340_config);
break; break;
default: default:
...@@ -624,13 +645,13 @@ static int dvb_init(struct em28xx *dev) ...@@ -624,13 +645,13 @@ static int dvb_init(struct em28xx *dev)
" isn't supported yet\n"); " isn't supported yet\n");
break; break;
} }
if (NULL == dvb->frontend) { if (NULL == dvb->fe[0]) {
em28xx_errdev("/2: frontend initialization failed\n"); em28xx_errdev("/2: frontend initialization failed\n");
result = -EINVAL; result = -EINVAL;
goto out_free; goto out_free;
} }
/* define general-purpose callback pointer */ /* define general-purpose callback pointer */
dvb->frontend->callback = em28xx_tuner_callback; dvb->fe[0]->callback = em28xx_tuner_callback;
/* register everything */ /* register everything */
result = register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev); result = register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);
......
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