169 			dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer,  in em28xx_dvb_urb_data_copy()
180 			dvb_dmx_swfilter(&dev->dvb->demux,  in em28xx_dvb_urb_data_copy()
190 static int em28xx_start_streaming(struct em28xx_dvb *dvb)  in em28xx_start_streaming()  argument
193 	struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv;  in em28xx_start_streaming()
231 static int em28xx_stop_streaming(struct em28xx_dvb *dvb)  in em28xx_stop_streaming()  argument
233 	struct em28xx_i2c_bus *i2c_bus = dvb->adapter.priv;  in em28xx_stop_streaming()
244 	struct em28xx_dvb *dvb = demux->priv;  in em28xx_start_feed()  local
250 	mutex_lock(&dvb->lock);  in em28xx_start_feed()
251 	dvb->nfeeds++;  in em28xx_start_feed()
252 	rc = dvb->nfeeds;  in em28xx_start_feed()
254 	if (dvb->nfeeds == 1) {  in em28xx_start_feed()
255 		ret = em28xx_start_streaming(dvb);  in em28xx_start_feed()
260 	mutex_unlock(&dvb->lock);  in em28xx_start_feed()
267 	struct em28xx_dvb *dvb = demux->priv;  in em28xx_stop_feed()  local
270 	mutex_lock(&dvb->lock);  in em28xx_stop_feed()
271 	dvb->nfeeds--;  in em28xx_stop_feed()
273 	if (0 == dvb->nfeeds)  in em28xx_stop_feed()
274 		err = em28xx_stop_streaming(dvb);  in em28xx_stop_feed()
276 	mutex_unlock(&dvb->lock);  in em28xx_stop_feed()
284 	struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;  in em28xx_dvb_bus_ctrl()
446 	struct em28xx_dvb *dvb = fe->sec_priv;  in drxk_gate_ctrl()  local
449 	if (!dvb)  in drxk_gate_ctrl()
453 		down(&dvb->pll_mutex);  in drxk_gate_ctrl()
454 		status = dvb->gate_ctrl(fe, 1);  in drxk_gate_ctrl()
456 		status = dvb->gate_ctrl(fe, 0);  in drxk_gate_ctrl()
457 		up(&dvb->pll_mutex);  in drxk_gate_ctrl()
719 	struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;  in em28xx_pctv_290e_set_lna()
722 	struct em28xx_dvb *dvb = dev->dvb;  in em28xx_pctv_290e_set_lna()  local
731 	ret = gpio_request_one(dvb->lna_gpio, flags, NULL);  in em28xx_pctv_290e_set_lna()
735 		gpio_free(dvb->lna_gpio);  in em28xx_pctv_290e_set_lna()
748 	struct em28xx_i2c_bus *i2c_bus = fe->dvb->priv;  in em28xx_pctv_292e_set_lna()
891 	if (!dev->dvb->fe[0]) {  in em28xx_attach_xc3028()
897 	fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);  in em28xx_attach_xc3028()
900 		dvb_frontend_detach(dev->dvb->fe[0]);  in em28xx_attach_xc3028()
901 		dev->dvb->fe[0] = NULL;  in em28xx_attach_xc3028()
912 static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,  in em28xx_register_dvb()  argument
917 	mutex_init(&dvb->lock);  in em28xx_register_dvb()
920 	result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,  in em28xx_register_dvb()
929 	dvb->fe[0]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;  in em28xx_register_dvb()
930 	if (dvb->fe[1])  in em28xx_register_dvb()
931 		dvb->fe[1]->ops.ts_bus_ctrl = em28xx_dvb_bus_ctrl;  in em28xx_register_dvb()
933 	dvb->adapter.priv = &dev->i2c_bus[dev->def_i2c_bus];  in em28xx_register_dvb()
936 	result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);  in em28xx_register_dvb()
944 	if (dvb->fe[1]) {  in em28xx_register_dvb()
945 		result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);  in em28xx_register_dvb()
954 	dvb->demux.dmx.capabilities =  in em28xx_register_dvb()
957 	dvb->demux.priv       = dvb;  in em28xx_register_dvb()
958 	dvb->demux.filternum  = 256;  in em28xx_register_dvb()
959 	dvb->demux.feednum    = 256;  in em28xx_register_dvb()
960 	dvb->demux.start_feed = em28xx_start_feed;  in em28xx_register_dvb()
961 	dvb->demux.stop_feed  = em28xx_stop_feed;  in em28xx_register_dvb()
963 	result = dvb_dmx_init(&dvb->demux);  in em28xx_register_dvb()
970 	dvb->dmxdev.filternum    = 256;  in em28xx_register_dvb()
971 	dvb->dmxdev.demux        = &dvb->demux.dmx;  in em28xx_register_dvb()
972 	dvb->dmxdev.capabilities = 0;  in em28xx_register_dvb()
973 	result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);  in em28xx_register_dvb()
980 	dvb->fe_hw.source = DMX_FRONTEND_0;  in em28xx_register_dvb()
981 	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);  in em28xx_register_dvb()
988 	dvb->fe_mem.source = DMX_MEMORY_FE;  in em28xx_register_dvb()
989 	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);  in em28xx_register_dvb()
996 	result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);  in em28xx_register_dvb()
1004 	dvb_net_init(&dvb->adapter, &dvb->net, &dvb->demux.dmx);  in em28xx_register_dvb()
1008 	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);  in em28xx_register_dvb()
1010 	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);  in em28xx_register_dvb()
1012 	dvb_dmxdev_release(&dvb->dmxdev);  in em28xx_register_dvb()
1014 	dvb_dmx_release(&dvb->demux);  in em28xx_register_dvb()
1016 	if (dvb->fe[1])  in em28xx_register_dvb()
1017 		dvb_unregister_frontend(dvb->fe[1]);  in em28xx_register_dvb()
1018 	dvb_unregister_frontend(dvb->fe[0]);  in em28xx_register_dvb()
1020 	if (dvb->fe[1])  in em28xx_register_dvb()
1021 		dvb_frontend_detach(dvb->fe[1]);  in em28xx_register_dvb()
1023 	dvb_frontend_detach(dvb->fe[0]);  in em28xx_register_dvb()
1024 	dvb_unregister_adapter(&dvb->adapter);  in em28xx_register_dvb()
1029 static void em28xx_unregister_dvb(struct em28xx_dvb *dvb)  in em28xx_unregister_dvb()  argument
1031 	dvb_net_release(&dvb->net);  in em28xx_unregister_dvb()
1032 	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem);  in em28xx_unregister_dvb()
1033 	dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw);  in em28xx_unregister_dvb()
1034 	dvb_dmxdev_release(&dvb->dmxdev);  in em28xx_unregister_dvb()
1035 	dvb_dmx_release(&dvb->demux);  in em28xx_unregister_dvb()
1036 	if (dvb->fe[1])  in em28xx_unregister_dvb()
1037 		dvb_unregister_frontend(dvb->fe[1]);  in em28xx_unregister_dvb()
1038 	dvb_unregister_frontend(dvb->fe[0]);  in em28xx_unregister_dvb()
1039 	if (dvb->fe[1] && !dvb->dont_attach_fe1)  in em28xx_unregister_dvb()
1040 		dvb_frontend_detach(dvb->fe[1]);  in em28xx_unregister_dvb()
1041 	dvb_frontend_detach(dvb->fe[0]);  in em28xx_unregister_dvb()
1042 	dvb_unregister_adapter(&dvb->adapter);  in em28xx_unregister_dvb()
1048 	struct em28xx_dvb *dvb;  in em28xx_dvb_init()  local
1062 	dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);  in em28xx_dvb_init()
1063 	if (dvb == NULL) {  in em28xx_dvb_init()
1067 	dev->dvb = dvb;  in em28xx_dvb_init()
1068 	dvb->fe[0] = dvb->fe[1] = NULL;  in em28xx_dvb_init()
1086 		kfree(dvb);  in em28xx_dvb_init()
1087 		dev->dvb = NULL;  in em28xx_dvb_init()
1096 		dvb->fe[0] = dvb_attach(s921_attach,  in em28xx_dvb_init()
1099 		if (!dvb->fe[0]) {  in em28xx_dvb_init()
1109 		dvb->fe[0] = dvb_attach(lgdt330x_attach,  in em28xx_dvb_init()
1118 		dvb->fe[0] = dvb_attach(zl10353_attach,  in em28xx_dvb_init()
1129 		dvb->fe[0] = dvb_attach(zl10353_attach,  in em28xx_dvb_init()
1142 		dvb->fe[0] = dvb_attach(zl10353_attach,  in em28xx_dvb_init()
1145 		if (dvb->fe[0] == NULL) {  in em28xx_dvb_init()
1148 			dvb->fe[0] = dvb_attach(mt352_attach,  in em28xx_dvb_init()
1159 		dvb->fe[0] = dvb_attach(zl10353_attach,  in em28xx_dvb_init()
1162 		if (dvb->fe[0] != NULL)  in em28xx_dvb_init()
1163 			dvb_attach(qt1010_attach, dvb->fe[0],  in em28xx_dvb_init()
1168 		dvb->fe[0] = dvb_attach(s5h1409_attach,  in em28xx_dvb_init()
1177 		dvb->fe[0] = dvb_attach(lgdt330x_attach,  in em28xx_dvb_init()
1180 		if (dvb->fe[0] != NULL) {  in em28xx_dvb_init()
1181 			if (!dvb_attach(simple_tuner_attach, dvb->fe[0],  in em28xx_dvb_init()
1191 		dvb->fe[0] = dvb_attach(drxd_attach, &em28xx_drxd, NULL,  in em28xx_dvb_init()
1200 		dvb->fe[0] = dvb_attach(tda10023_attach,  in em28xx_dvb_init()
1203 		if (dvb->fe[0]) {  in em28xx_dvb_init()
1204 			if (!dvb_attach(simple_tuner_attach, dvb->fe[0],  in em28xx_dvb_init()
1213 		dvb->fe[0] = dvb_attach(lgdt3305_attach,  in em28xx_dvb_init()
1216 		if (!dvb->fe[0]) {  in em28xx_dvb_init()
1220 		if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,  in em28xx_dvb_init()
1223 				dvb_frontend_detach(dvb->fe[0]);  in em28xx_dvb_init()
1230 		dvb->lna_gpio = CXD2820R_GPIO_E | CXD2820R_GPIO_O |  in em28xx_dvb_init()
1232 		dvb->fe[0] = dvb_attach(cxd2820r_attach,  in em28xx_dvb_init()
1235 					&dvb->lna_gpio);  in em28xx_dvb_init()
1236 		if (dvb->fe[0]) {  in em28xx_dvb_init()
1239 					dvb->fe[0],  in em28xx_dvb_init()
1244 				dvb_frontend_detach(dvb->fe[0]);  in em28xx_dvb_init()
1251 			result = gpio_request_one(dvb->lna_gpio,  in em28xx_dvb_init()
1257 				gpio_free(dvb->lna_gpio);  in em28xx_dvb_init()
1261 			dvb->fe[0]->ops.set_lna = em28xx_pctv_290e_set_lna;  in em28xx_dvb_init()
1271 		dvb->fe[0] = dvb_attach(drxk_attach,  in em28xx_dvb_init()
1273 		if (!dvb->fe[0]) {  in em28xx_dvb_init()
1278 		dvb->fe[0]->sec_priv = dvb;  in em28xx_dvb_init()
1279 		sema_init(&dvb->pll_mutex, 1);  in em28xx_dvb_init()
1280 		dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;  in em28xx_dvb_init()
1281 		dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;  in em28xx_dvb_init()
1288 		if (dvb->fe[0]->ops.i2c_gate_ctrl)  in em28xx_dvb_init()
1289 			dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);  in em28xx_dvb_init()
1290 		if (!dvb_attach(xc5000_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus],  in em28xx_dvb_init()
1295 		if (dvb->fe[0]->ops.i2c_gate_ctrl)  in em28xx_dvb_init()
1296 			dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);  in em28xx_dvb_init()
1303 		dvb->fe[0] = dvb_attach(drxk_attach, &terratec_h5_drxk, &dev->i2c_adap[dev->def_i2c_bus]);  in em28xx_dvb_init()
1304 		if (!dvb->fe[0]) {  in em28xx_dvb_init()
1309 		dvb->fe[0]->sec_priv = dvb;  in em28xx_dvb_init()
1310 		sema_init(&dvb->pll_mutex, 1);  in em28xx_dvb_init()
1311 		dvb->gate_ctrl = dvb->fe[0]->ops.i2c_gate_ctrl;  in em28xx_dvb_init()
1312 		dvb->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl;  in em28xx_dvb_init()
1315 		if (dvb->fe[0]->ops.i2c_gate_ctrl)  in em28xx_dvb_init()
1316 			dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 1);  in em28xx_dvb_init()
1317 		if (!dvb_attach(tda18271c2dd_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus], 0x60)) {  in em28xx_dvb_init()
1321 		if (dvb->fe[0]->ops.i2c_gate_ctrl)  in em28xx_dvb_init()
1322 			dvb->fe[0]->ops.i2c_gate_ctrl(dvb->fe[0], 0);  in em28xx_dvb_init()
1326 		dvb->fe[0] = dvb_attach(mb86a20s_attach,  in em28xx_dvb_init()
1329 		if (dvb->fe[0] != NULL)  in em28xx_dvb_init()
1330 			dvb_attach(tda18271_attach, dvb->fe[0], 0x60,  in em28xx_dvb_init()
1336 		dvb->fe[0] = dvb_attach(tda10071_attach,  in em28xx_dvb_init()
1340 		if (dvb->fe[0])  in em28xx_dvb_init()
1341 			dvb_attach(a8293_attach, dvb->fe[0], &dev->i2c_adap[dev->def_i2c_bus],  in em28xx_dvb_init()
1347 		dvb->fe[0] = dvb_attach(drxk_attach, &maxmedia_ub425_tc_drxk,  in em28xx_dvb_init()
1350 		if (dvb->fe[0]) {  in em28xx_dvb_init()
1352 			dvb->fe[0]->ops.i2c_gate_ctrl = NULL;  in em28xx_dvb_init()
1355 			if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,  in em28xx_dvb_init()
1358 				dvb_frontend_detach(dvb->fe[0]);  in em28xx_dvb_init()
1369 		dvb->fe[0] = dvb_attach(drxk_attach, &pctv_520e_drxk,  in em28xx_dvb_init()
1372 		if (dvb->fe[0]) {  in em28xx_dvb_init()
1374 			if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,  in em28xx_dvb_init()
1377 				dvb_frontend_detach(dvb->fe[0]);  in em28xx_dvb_init()
1388 		dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,  in em28xx_dvb_init()
1390 		if (!dvb->fe[0]) {  in em28xx_dvb_init()
1396 		if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,  in em28xx_dvb_init()
1407 		dvb->fe[0] = dvb_attach(drxk_attach, &terratec_htc_stick_drxk,  in em28xx_dvb_init()
1409 		if (!dvb->fe[0]) {  in em28xx_dvb_init()
1415 		if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,  in em28xx_dvb_init()
1423 		dvb->fe[0] = dvb_attach(lgdt3305_attach,  in em28xx_dvb_init()
1426 		if (!dvb->fe[0]) {  in em28xx_dvb_init()
1432 		if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60,  in em28xx_dvb_init()
1449 		dvb->fe[0] = dvb_attach(lgdt3305_attach,  in em28xx_dvb_init()
1452 		if (!dvb->fe[0]) {  in em28xx_dvb_init()
1458 		kworld_ub435q_v3_config.fe = dvb->fe[0];  in em28xx_dvb_init()
1462 			dvb_frontend_detach(dvb->fe[0]);  in em28xx_dvb_init()
1469 			dvb_frontend_detach(dvb->fe[0]);  in em28xx_dvb_init()
1474 		dvb->i2c_client_tuner = client;  in em28xx_dvb_init()
1478 		dvb->fe[0] = dvb_attach(drx39xxj_attach, &dev->i2c_adap[dev->def_i2c_bus]);  in em28xx_dvb_init()
1479 		if (dvb->fe[0] != NULL) {  in em28xx_dvb_init()
1480 			dvb->fe[0] = dvb_attach(tda18271_attach, dvb->fe[0], 0x60,  in em28xx_dvb_init()
1483 			if (!dvb->fe[0]) {  in em28xx_dvb_init()
1500 			dvb->fe[0] = dvb_attach(m88ds3103_attach,  in em28xx_dvb_init()
1504 			if (dvb->fe[0] == NULL) {  in em28xx_dvb_init()
1510 			ts2020_config.fe = dvb->fe[0];  in em28xx_dvb_init()
1517 				dvb_frontend_detach(dvb->fe[0]);  in em28xx_dvb_init()
1524 				dvb_frontend_detach(dvb->fe[0]);  in em28xx_dvb_init()
1530 			dvb->fe[0]->ops.read_signal_strength =  in em28xx_dvb_init()
1531 					dvb->fe[0]->ops.tuner_ops.get_rf_strength;  in em28xx_dvb_init()
1534 			if (!dvb_attach(a8293_attach, dvb->fe[0],  in em28xx_dvb_init()
1539 				dvb_frontend_detach(dvb->fe[0]);  in em28xx_dvb_init()
1544 			dvb->i2c_client_tuner = client;  in em28xx_dvb_init()
1558 			si2168_config.fe = &dvb->fe[0];  in em28xx_dvb_init()
1577 			dvb->i2c_client_demod = client;  in em28xx_dvb_init()
1581 			si2157_config.fe = dvb->fe[0];  in em28xx_dvb_init()
1589 				module_put(dvb->i2c_client_demod->dev.driver->owner);  in em28xx_dvb_init()
1590 				i2c_unregister_device(dvb->i2c_client_demod);  in em28xx_dvb_init()
1597 				module_put(dvb->i2c_client_demod->dev.driver->owner);  in em28xx_dvb_init()
1598 				i2c_unregister_device(dvb->i2c_client_demod);  in em28xx_dvb_init()
1603 			dvb->i2c_client_tuner = client;  in em28xx_dvb_init()
1604 			dvb->fe[0]->ops.set_lna = em28xx_pctv_292e_set_lna;  in em28xx_dvb_init()
1618 			si2168_config.fe = &dvb->fe[0];  in em28xx_dvb_init()
1637 			dvb->i2c_client_demod = client;  in em28xx_dvb_init()
1641 			si2157_config.fe = dvb->fe[0];  in em28xx_dvb_init()
1649 				module_put(dvb->i2c_client_demod->dev.driver->owner);  in em28xx_dvb_init()
1650 				i2c_unregister_device(dvb->i2c_client_demod);  in em28xx_dvb_init()
1657 				module_put(dvb->i2c_client_demod->dev.driver->owner);  in em28xx_dvb_init()
1658 				i2c_unregister_device(dvb->i2c_client_demod);  in em28xx_dvb_init()
1663 			dvb->i2c_client_tuner = client;  in em28xx_dvb_init()
1671 	if (NULL == dvb->fe[0]) {  in em28xx_dvb_init()
1677 	dvb->fe[0]->callback = em28xx_tuner_callback;  in em28xx_dvb_init()
1678 	if (dvb->fe[1])  in em28xx_dvb_init()
1679 		dvb->fe[1]->callback = em28xx_tuner_callback;  in em28xx_dvb_init()
1682 	result = em28xx_register_dvb(dvb, THIS_MODULE, dev, &dev->udev->dev);  in em28xx_dvb_init()
1697 	kfree(dvb);  in em28xx_dvb_init()
1698 	dev->dvb = NULL;  in em28xx_dvb_init()
1711 	struct em28xx_dvb *dvb;  in em28xx_dvb_fini()  local
1724 	if (!dev->dvb)  in em28xx_dvb_fini()
1729 	dvb = dev->dvb;  in em28xx_dvb_fini()
1730 	client = dvb->i2c_client_tuner;  in em28xx_dvb_fini()
1737 		if (dvb->fe[0]) {  in em28xx_dvb_fini()
1738 			prevent_sleep(&dvb->fe[0]->ops);  in em28xx_dvb_fini()
1739 			dvb->fe[0]->exit = DVB_FE_DEVICE_REMOVED;  in em28xx_dvb_fini()
1741 		if (dvb->fe[1]) {  in em28xx_dvb_fini()
1742 			prevent_sleep(&dvb->fe[1]->ops);  in em28xx_dvb_fini()
1743 			dvb->fe[1]->exit = DVB_FE_DEVICE_REMOVED;  in em28xx_dvb_fini()
1754 	client = dvb->i2c_client_demod;  in em28xx_dvb_fini()
1760 	em28xx_unregister_dvb(dvb);  in em28xx_dvb_fini()
1761 	kfree(dvb);  in em28xx_dvb_fini()
1762 	dev->dvb = NULL;  in em28xx_dvb_fini()
1779 	if (dev->dvb) {  in em28xx_dvb_suspend()
1780 		struct em28xx_dvb *dvb = dev->dvb;  in em28xx_dvb_suspend()  local
1782 		if (dvb->fe[0]) {  in em28xx_dvb_suspend()
1783 			ret = dvb_frontend_suspend(dvb->fe[0]);  in em28xx_dvb_suspend()
1786 		if (dvb->fe[1]) {  in em28xx_dvb_suspend()
1787 			dvb_frontend_suspend(dvb->fe[1]);  in em28xx_dvb_suspend()
1806 	if (dev->dvb) {  in em28xx_dvb_resume()
1807 		struct em28xx_dvb *dvb = dev->dvb;  in em28xx_dvb_resume()  local
1809 		if (dvb->fe[0]) {  in em28xx_dvb_resume()
1810 			ret = dvb_frontend_resume(dvb->fe[0]);  in em28xx_dvb_resume()
1814 		if (dvb->fe[1]) {  in em28xx_dvb_resume()
1815 			ret = dvb_frontend_resume(dvb->fe[1]);  in em28xx_dvb_resume()