Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /* dvb-usb-dvb.c is part of the DVB USB library.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * see dvb-usb-init.c for copyright information.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  * This file contains functions for initializing and handling the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * linux-dvb API.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include "dvb-usb-common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <media/media-device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) /* does the complete input transfer handling */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) static int dvb_usb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed, int onoff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 	struct dvb_usb_adapter *adap = dvbdmxfeed->demux->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 	int newfeedcount, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) 	if (adap == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 	if ((adap->active_fe < 0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	    (adap->active_fe >= adap->num_frontends_initialized)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	newfeedcount = adap->feedcount + (onoff ? 1 : -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	/* stop feed before setting a new pid if there will be no pid anymore */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	if (newfeedcount == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 		deb_ts("stop feeding\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 		usb_urb_kill(&adap->fe_adap[adap->active_fe].stream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 		if (adap->props.fe[adap->active_fe].streaming_ctrl != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 			ret = adap->props.fe[adap->active_fe].streaming_ctrl(adap, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 			if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 				err("error while stopping stream.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 				return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	adap->feedcount = newfeedcount;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	/* activate the pid on the device specific pid_filter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	deb_ts("setting pid (%s): %5d %04x at index %d '%s'\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 		adap->fe_adap[adap->active_fe].pid_filtering ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 		"yes" : "no", dvbdmxfeed->pid, dvbdmxfeed->pid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 		dvbdmxfeed->index, onoff ? "on" : "off");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	if (adap->props.fe[adap->active_fe].caps & DVB_USB_ADAP_HAS_PID_FILTER &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 		adap->fe_adap[adap->active_fe].pid_filtering &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 		adap->props.fe[adap->active_fe].pid_filter != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 		adap->props.fe[adap->active_fe].pid_filter(adap, dvbdmxfeed->index, dvbdmxfeed->pid, onoff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	/* start the feed if this was the first feed and there is still a feed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	 * for reception.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	if (adap->feedcount == onoff && adap->feedcount > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		deb_ts("controlling pid parser\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 		if (adap->props.fe[adap->active_fe].caps & DVB_USB_ADAP_HAS_PID_FILTER &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 			adap->props.fe[adap->active_fe].caps &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 			DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 			adap->props.fe[adap->active_fe].pid_filter_ctrl != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 			ret = adap->props.fe[adap->active_fe].pid_filter_ctrl(adap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 				adap->fe_adap[adap->active_fe].pid_filtering);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 			if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 				err("could not handle pid_parser");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 				return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 		deb_ts("start feeding\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 		if (adap->props.fe[adap->active_fe].streaming_ctrl != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 			ret = adap->props.fe[adap->active_fe].streaming_ctrl(adap, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 			if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 				err("error while enabling fifo.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 				return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 		deb_ts("submitting all URBs\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 		usb_urb_submit(&adap->fe_adap[adap->active_fe].stream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) static int dvb_usb_start_feed(struct dvb_demux_feed *dvbdmxfeed)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	deb_ts("start pid: 0x%04x, feedtype: %d\n", dvbdmxfeed->pid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	       dvbdmxfeed->type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	return dvb_usb_ctrl_feed(dvbdmxfeed, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) static int dvb_usb_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	deb_ts("stop pid: 0x%04x, feedtype: %d\n", dvbdmxfeed->pid, dvbdmxfeed->type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	return dvb_usb_ctrl_feed(dvbdmxfeed, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) static int dvb_usb_media_device_init(struct dvb_usb_adapter *adap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) #ifdef CONFIG_MEDIA_CONTROLLER_DVB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	struct media_device *mdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	struct dvb_usb_device *d = adap->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	struct usb_device *udev = d->udev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	mdev = kzalloc(sizeof(*mdev), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	if (!mdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	media_device_usb_init(mdev, udev, d->desc->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	dvb_register_media_controller(&adap->dvb_adap, mdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	dev_info(&d->udev->dev, "media controller created\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) static int  dvb_usb_media_device_register(struct dvb_usb_adapter *adap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) #ifdef CONFIG_MEDIA_CONTROLLER_DVB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	return media_device_register(adap->dvb_adap.mdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static void dvb_usb_media_device_unregister(struct dvb_usb_adapter *adap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) #ifdef CONFIG_MEDIA_CONTROLLER_DVB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	if (!adap->dvb_adap.mdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	mutex_lock(&adap->dvb_adap.mdev_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	media_device_unregister(adap->dvb_adap.mdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	media_device_cleanup(adap->dvb_adap.mdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	kfree(adap->dvb_adap.mdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	adap->dvb_adap.mdev = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	mutex_unlock(&adap->dvb_adap.mdev_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) int dvb_usb_adapter_dvb_init(struct dvb_usb_adapter *adap, short *adapter_nums)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	int ret = dvb_register_adapter(&adap->dvb_adap, adap->dev->desc->name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 				       adap->dev->owner, &adap->dev->udev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 				       adapter_nums);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		deb_info("dvb_register_adapter failed: error %d", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	adap->dvb_adap.priv = adap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	ret = dvb_usb_media_device_init(adap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 		deb_info("dvb_usb_media_device_init failed: error %d", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 		goto err_mc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	if (adap->dev->props.read_mac_address) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 		if (adap->dev->props.read_mac_address(adap->dev, adap->dvb_adap.proposed_mac) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 			info("MAC address: %pM", adap->dvb_adap.proposed_mac);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 			err("MAC address reading failed.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	adap->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	adap->demux.priv             = adap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	adap->demux.filternum        = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	for (i = 0; i < adap->props.num_frontends; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 		if (adap->demux.filternum < adap->fe_adap[i].max_feed_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 			adap->demux.filternum = adap->fe_adap[i].max_feed_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	adap->demux.feednum          = adap->demux.filternum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	adap->demux.start_feed       = dvb_usb_start_feed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	adap->demux.stop_feed        = dvb_usb_stop_feed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	adap->demux.write_to_decoder = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	if ((ret = dvb_dmx_init(&adap->demux)) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 		err("dvb_dmx_init failed: error %d", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 		goto err_dmx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	adap->dmxdev.filternum       = adap->demux.filternum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	adap->dmxdev.demux           = &adap->demux.dmx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	adap->dmxdev.capabilities    = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	if ((ret = dvb_dmxdev_init(&adap->dmxdev, &adap->dvb_adap)) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 		err("dvb_dmxdev_init failed: error %d", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 		goto err_dmx_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	if ((ret = dvb_net_init(&adap->dvb_adap, &adap->dvb_net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 						&adap->demux.dmx)) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 		err("dvb_net_init failed: error %d", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 		goto err_net_init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	adap->state |= DVB_USB_ADAP_STATE_DVB;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) err_net_init:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	dvb_dmxdev_release(&adap->dmxdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) err_dmx_dev:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	dvb_dmx_release(&adap->demux);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) err_dmx:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	dvb_usb_media_device_unregister(adap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) err_mc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	dvb_unregister_adapter(&adap->dvb_adap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) int dvb_usb_adapter_dvb_exit(struct dvb_usb_adapter *adap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	if (adap->state & DVB_USB_ADAP_STATE_DVB) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 		deb_info("unregistering DVB part\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 		dvb_net_release(&adap->dvb_net);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 		adap->demux.dmx.close(&adap->demux.dmx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 		dvb_dmxdev_release(&adap->dmxdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 		dvb_dmx_release(&adap->demux);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 		dvb_usb_media_device_unregister(adap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 		dvb_unregister_adapter(&adap->dvb_adap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 		adap->state &= ~DVB_USB_ADAP_STATE_DVB;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) static int dvb_usb_set_active_fe(struct dvb_frontend *fe, int onoff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	struct dvb_usb_adapter *adap = fe->dvb->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	int ret = (adap->props.frontend_ctrl) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 		adap->props.frontend_ctrl(fe, onoff) : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 		err("frontend_ctrl request failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	if (onoff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 		adap->active_fe = fe->id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) static int dvb_usb_fe_wakeup(struct dvb_frontend *fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 	struct dvb_usb_adapter *adap = fe->dvb->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	dvb_usb_device_power_ctrl(adap->dev, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	dvb_usb_set_active_fe(fe, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	if (adap->fe_adap[fe->id].fe_init)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 		adap->fe_adap[fe->id].fe_init(fe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) static int dvb_usb_fe_sleep(struct dvb_frontend *fe)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	struct dvb_usb_adapter *adap = fe->dvb->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	if (adap->fe_adap[fe->id].fe_sleep)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 		adap->fe_adap[fe->id].fe_sleep(fe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	dvb_usb_set_active_fe(fe, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 	return dvb_usb_device_power_ctrl(adap->dev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) int dvb_usb_adapter_frontend_init(struct dvb_usb_adapter *adap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 	int ret, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	/* register all given adapter frontends */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	for (i = 0; i < adap->props.num_frontends; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 		if (adap->props.fe[i].frontend_attach == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) 			err("strange: '%s' #%d,%d doesn't want to attach a frontend.",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) 			    adap->dev->desc->name, adap->id, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 		ret = adap->props.fe[i].frontend_attach(adap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 		if (ret || adap->fe_adap[i].fe == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 			/* only print error when there is no FE at all */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 			if (i == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 				err("no frontend was attached by '%s'",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 					adap->dev->desc->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) 		adap->fe_adap[i].fe->id = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) 		/* re-assign sleep and wakeup functions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) 		adap->fe_adap[i].fe_init = adap->fe_adap[i].fe->ops.init;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 		adap->fe_adap[i].fe->ops.init  = dvb_usb_fe_wakeup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 		adap->fe_adap[i].fe_sleep = adap->fe_adap[i].fe->ops.sleep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 		adap->fe_adap[i].fe->ops.sleep = dvb_usb_fe_sleep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 		if (dvb_register_frontend(&adap->dvb_adap, adap->fe_adap[i].fe)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 			err("Frontend %d registration failed.", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 			dvb_frontend_detach(adap->fe_adap[i].fe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 			adap->fe_adap[i].fe = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) 			/* In error case, do not try register more FEs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 			 * still leaving already registered FEs alive. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) 			if (i == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) 				return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 				return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 		/* only attach the tuner if the demod is there */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 		if (adap->props.fe[i].tuner_attach != NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 			adap->props.fe[i].tuner_attach(adap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 		adap->num_frontends_initialized++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	ret = dvb_create_media_graph(&adap->dvb_adap, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 	ret = dvb_usb_media_device_register(adap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) int dvb_usb_adapter_frontend_exit(struct dvb_usb_adapter *adap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 	int i = adap->num_frontends_initialized - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	/* unregister all given adapter frontends */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 	for (; i >= 0; i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 		if (adap->fe_adap[i].fe != NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 			dvb_unregister_frontend(adap->fe_adap[i].fe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 			dvb_frontend_detach(adap->fe_adap[i].fe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	adap->num_frontends_initialized = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) }