diff options
Diffstat (limited to 'drivers/media/usb/pvrusb2/pvrusb2-dvb.c')
| -rw-r--r-- | drivers/media/usb/pvrusb2/pvrusb2-dvb.c | 113 |
1 files changed, 76 insertions, 37 deletions
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-dvb.c b/drivers/media/usb/pvrusb2/pvrusb2-dvb.c index 4b32b2141169..3610139fb9ad 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-dvb.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-dvb.c @@ -1,17 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * pvrusb2-dvb.c - linux-dvb api interface to the pvrusb2 driver. * * Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <linux/kthread.h> @@ -42,9 +33,6 @@ static int pvr2_dvb_feed_func(struct pvr2_dvb_adapter *adap) for (;;) { if (kthread_should_stop()) break; - /* Not sure about this... */ - try_to_freeze(); - bp = pvr2_stream_get_ready_buffer(stream); if (bp != NULL) { count = pvr2_buffer_get_count(bp); @@ -71,8 +59,7 @@ static int pvr2_dvb_feed_func(struct pvr2_dvb_adapter *adap) /* Wait until more buffers become available or we're told not to wait any longer. */ - ret = wait_event_interruptible( - adap->buffer_wait_data, + ret = wait_event_freezable(adap->buffer_wait_data, (pvr2_stream_get_ready_count(stream) > 0) || kthread_should_stop()); if (ret < 0) break; @@ -89,7 +76,7 @@ static int pvr2_dvb_feed_func(struct pvr2_dvb_adapter *adap) static int pvr2_dvb_feed_thread(void *data) { int stat = pvr2_dvb_feed_func(data); - /* from videobuf-dvb.c: */ + while (!kthread_should_stop()) { set_current_state(TASK_INTERRUPTIBLE); schedule(); @@ -97,8 +84,10 @@ static int pvr2_dvb_feed_thread(void *data) return stat; } -static void pvr2_dvb_notify(struct pvr2_dvb_adapter *adap) +static void pvr2_dvb_notify(void *ptr) { + struct pvr2_dvb_adapter *adap = ptr; + wake_up(&adap->buffer_wait_data); } @@ -158,7 +147,7 @@ static int pvr2_dvb_stream_do_start(struct pvr2_dvb_adapter *adap) } pvr2_stream_set_callback(pvr->video_stream.stream, - (pvr2_stream_callback) pvr2_dvb_notify, adap); + pvr2_dvb_notify, adap); ret = pvr2_stream_set_buffer_count(stream, PVR2_DVB_BUFFER_COUNT); if (ret < 0) return ret; @@ -343,26 +332,19 @@ 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!"); @@ -370,17 +352,74 @@ 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; + dvb_module_release(adap->i2c_client_tuner); + dvb_module_release(adap->i2c_client_demod[1]); + dvb_module_release(adap->i2c_client_demod[0]); + + 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; + } + + dvb_module_release(adap->i2c_client_tuner); + adap->i2c_client_tuner = NULL; + dvb_module_release(adap->i2c_client_demod[1]); + adap->i2c_client_demod[1] = NULL; + dvb_module_release(adap->i2c_client_demod[0]); + adap->i2c_client_demod[0] = NULL; + return 0; } |