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authorLibravatar Linus Torvalds <torvalds@linux-foundation.org>2023-02-21 18:24:12 -0800
committerLibravatar Linus Torvalds <torvalds@linux-foundation.org>2023-02-21 18:24:12 -0800
commit5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 (patch)
treecc5c2d0a898769fd59549594fedb3ee6f84e59a0 /drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
downloadlinux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.tar.gz
linux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.zip
Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextgrafted
Pull networking updates from Jakub Kicinski: "Core: - Add dedicated kmem_cache for typical/small skb->head, avoid having to access struct page at kfree time, and improve memory use. - Introduce sysctl to set default RPS configuration for new netdevs. - Define Netlink protocol specification format which can be used to describe messages used by each family and auto-generate parsers. Add tools for generating kernel data structures and uAPI headers. - Expose all net/core sysctls inside netns. - Remove 4s sleep in netpoll if carrier is instantly detected on boot. - Add configurable limit of MDB entries per port, and port-vlan. - Continue populating drop reasons throughout the stack. - Retire a handful of legacy Qdiscs and classifiers. Protocols: - Support IPv4 big TCP (TSO frames larger than 64kB). - Add IP_LOCAL_PORT_RANGE socket option, to control local port range on socket by socket basis. - Track and report in procfs number of MPTCP sockets used. - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path manager. - IPv6: don't check net.ipv6.route.max_size and rely on garbage collection to free memory (similarly to IPv4). - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986). - ICMP: add per-rate limit counters. - Add support for user scanning requests in ieee802154. - Remove static WEP support. - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate reporting. - WiFi 7 EHT channel puncturing support (client & AP). BPF: - Add a rbtree data structure following the "next-gen data structure" precedent set by recently added linked list, that is, by using kfunc + kptr instead of adding a new BPF map type. - Expose XDP hints via kfuncs with initial support for RX hash and timestamp metadata. - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to better support decap on GRE tunnel devices not operating in collect metadata. - Improve x86 JIT's codegen for PROBE_MEM runtime error checks. - Remove the need for trace_printk_lock for bpf_trace_printk and bpf_trace_vprintk helpers. - Extend libbpf's bpf_tracing.h support for tracing arguments of kprobes/uprobes and syscall as a special case. - Significantly reduce the search time for module symbols by livepatch and BPF. - Enable cpumasks to be used as kptrs, which is useful for tracing programs tracking which tasks end up running on which CPUs in different time intervals. - Add support for BPF trampoline on s390x and riscv64. - Add capability to export the XDP features supported by the NIC. - Add __bpf_kfunc tag for marking kernel functions as kfuncs. - Add cgroup.memory=nobpf kernel parameter option to disable BPF memory accounting for container environments. Netfilter: - Remove the CLUSTERIP target. It has been marked as obsolete for years, and we still have WARN splats wrt races of the out-of-band /proc interface installed by this target. - Add 'destroy' commands to nf_tables. They are identical to the existing 'delete' commands, but do not return an error if the referenced object (set, chain, rule...) did not exist. Driver API: - Improve cpumask_local_spread() locality to help NICs set the right IRQ affinity on AMD platforms. - Separate C22 and C45 MDIO bus transactions more clearly. - Introduce new DCB table to control DSCP rewrite on egress. - Support configuration of Physical Layer Collision Avoidance (PLCA) Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of shared medium Ethernet. - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing preemption of low priority frames by high priority frames. - Add support for controlling MACSec offload using netlink SET. - Rework devlink instance refcounts to allow registration and de-registration under the instance lock. Split the code into multiple files, drop some of the unnecessarily granular locks and factor out common parts of netlink operation handling. - Add TX frame aggregation parameters (for USB drivers). - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning messages with notifications for debug. - Allow offloading of UDP NEW connections via act_ct. - Add support for per action HW stats in TC. - Support hardware miss to TC action (continue processing in SW from a specific point in the action chain). - Warn if old Wireless Extension user space interface is used with modern cfg80211/mac80211 drivers. Do not support Wireless Extensions for Wi-Fi 7 devices at all. Everyone should switch to using nl80211 interface instead. - Improve the CAN bit timing configuration. Use extack to return error messages directly to user space, update the SJW handling, including the definition of a new default value that will benefit CAN-FD controllers, by increasing their oscillator tolerance. New hardware / drivers: - Ethernet: - nVidia BlueField-3 support (control traffic driver) - Ethernet support for imx93 SoCs - Motorcomm yt8531 gigabit Ethernet PHY - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA) - Microchip LAN8841 PHY (incl. cable diagnostics and PTP) - Amlogic gxl MDIO mux - WiFi: - RealTek RTL8188EU (rtl8xxxu) - Qualcomm Wi-Fi 7 devices (ath12k) - CAN: - Renesas R-Car V4H Drivers: - Bluetooth: - Set Per Platform Antenna Gain (PPAG) for Intel controllers. - Ethernet NICs: - Intel (1G, igc): - support TSN / Qbv / packet scheduling features of i226 model - Intel (100G, ice): - use GNSS subsystem instead of TTY - multi-buffer XDP support - extend support for GPIO pins to E823 devices - nVidia/Mellanox: - update the shared buffer configuration on PFC commands - implement PTP adjphase function for HW offset control - TC support for Geneve and GRE with VF tunnel offload - more efficient crypto key management method - multi-port eswitch support - Netronome/Corigine: - add DCB IEEE support - support IPsec offloading for NFP3800 - Freescale/NXP (enetc): - support XDP_REDIRECT for XDP non-linear buffers - improve reconfig, avoid link flap and waiting for idle - support MAC Merge layer - Other NICs: - sfc/ef100: add basic devlink support for ef100 - ionic: rx_push mode operation (writing descriptors via MMIO) - bnxt: use the auxiliary bus abstraction for RDMA - r8169: disable ASPM and reset bus in case of tx timeout - cpsw: support QSGMII mode for J721e CPSW9G - cpts: support pulse-per-second output - ngbe: add an mdio bus driver - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing - r8152: handle devices with FW with NCM support - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation - virtio-net: support multi buffer XDP - virtio/vsock: replace virtio_vsock_pkt with sk_buff - tsnep: XDP support - Ethernet high-speed switches: - nVidia/Mellanox (mlxsw): - add support for latency TLV (in FW control messages) - Microchip (sparx5): - separate explicit and implicit traffic forwarding rules, make the implicit rules always active - add support for egress DSCP rewrite - IS0 VCAP support (Ingress Classification) - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS etc.) - ES2 VCAP support (Egress Access Control) - support for Per-Stream Filtering and Policing (802.1Q, 8.6.5.1) - Ethernet embedded switches: - Marvell (mv88e6xxx): - add MAB (port auth) offload support - enable PTP receive for mv88e6390 - NXP (ocelot): - support MAC Merge layer - support for the the vsc7512 internal copper phys - Microchip: - lan9303: convert to PHYLINK - lan966x: support TC flower filter statistics - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x - lan937x: support Credit Based Shaper configuration - ksz9477: support Energy Efficient Ethernet - other: - qca8k: convert to regmap read/write API, use bulk operations - rswitch: Improve TX timestamp accuracy - Intel WiFi (iwlwifi): - EHT (Wi-Fi 7) rate reporting - STEP equalizer support: transfer some STEP (connection to radio on platforms with integrated wifi) related parameters from the BIOS to the firmware. - Qualcomm 802.11ax WiFi (ath11k): - IPQ5018 support - Fine Timing Measurement (FTM) responder role support - channel 177 support - MediaTek WiFi (mt76): - per-PHY LED support - mt7996: EHT (Wi-Fi 7) support - Wireless Ethernet Dispatch (WED) reset support - switch to using page pool allocator - RealTek WiFi (rtw89): - support new version of Bluetooth co-existance - Mobile: - rmnet: support TX aggregation" * tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits) page_pool: add a comment explaining the fragment counter usage net: ethtool: fix __ethtool_dev_mm_supported() implementation ethtool: pse-pd: Fix double word in comments xsk: add linux/vmalloc.h to xsk.c sefltests: netdevsim: wait for devlink instance after netns removal selftest: fib_tests: Always cleanup before exit net/mlx5e: Align IPsec ASO result memory to be as required by hardware net/mlx5e: TC, Set CT miss to the specific ct action instance net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG net/mlx5: Refactor tc miss handling to a single function net/mlx5: Kconfig: Make tc offload depend on tc skb extension net/sched: flower: Support hardware miss to tc action net/sched: flower: Move filter handle initialization earlier net/sched: cls_api: Support hardware miss to tc action net/sched: Rename user cookie and act cookie sfc: fix builds without CONFIG_RTC_LIB sfc: clean up some inconsistent indentings net/mlx4_en: Introduce flexible array to silence overflow warning net: lan966x: Fix possible deadlock inside PTP net/ulp: Remove redundant ->clone() test in inet_clone_ulp(). ...
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/dvb_usb_core.c')
-rw-r--r--drivers/media/usb/dvb-usb-v2/dvb_usb_core.c1126
1 files changed, 1126 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
new file mode 100644
index 000000000..f1c79f351
--- /dev/null
+++ b/drivers/media/usb/dvb-usb-v2/dvb_usb_core.c
@@ -0,0 +1,1126 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * DVB USB framework
+ *
+ * Copyright (C) 2004-6 Patrick Boettcher <patrick.boettcher@posteo.de>
+ * Copyright (C) 2012 Antti Palosaari <crope@iki.fi>
+ */
+
+#include "dvb_usb_common.h"
+#include <media/media-device.h>
+
+static int dvb_usbv2_disable_rc_polling;
+module_param_named(disable_rc_polling, dvb_usbv2_disable_rc_polling, int, 0644);
+MODULE_PARM_DESC(disable_rc_polling,
+ "disable remote control polling (default: 0)");
+static int dvb_usb_force_pid_filter_usage;
+module_param_named(force_pid_filter_usage, dvb_usb_force_pid_filter_usage,
+ int, 0444);
+MODULE_PARM_DESC(force_pid_filter_usage,
+ "force all DVB USB devices to use a PID filter, if any (default: 0)");
+
+static int dvb_usbv2_download_firmware(struct dvb_usb_device *d,
+ const char *name)
+{
+ int ret;
+ const struct firmware *fw;
+ dev_dbg(&d->udev->dev, "%s:\n", __func__);
+
+ if (!d->props->download_firmware) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ ret = request_firmware(&fw, name, &d->udev->dev);
+ if (ret < 0) {
+ dev_err(&d->udev->dev,
+ "%s: Did not find the firmware file '%s' (status %d). You can use <kernel_dir>/scripts/get_dvb_firmware to get the firmware\n",
+ KBUILD_MODNAME, name, ret);
+ goto err;
+ }
+
+ dev_info(&d->udev->dev, "%s: downloading firmware from file '%s'\n",
+ KBUILD_MODNAME, name);
+
+ ret = d->props->download_firmware(d, fw);
+ release_firmware(fw);
+ if (ret < 0)
+ goto err;
+
+ return ret;
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int dvb_usbv2_i2c_init(struct dvb_usb_device *d)
+{
+ int ret;
+ dev_dbg(&d->udev->dev, "%s:\n", __func__);
+
+ if (!d->props->i2c_algo)
+ return 0;
+
+ strscpy(d->i2c_adap.name, d->name, sizeof(d->i2c_adap.name));
+ d->i2c_adap.algo = d->props->i2c_algo;
+ d->i2c_adap.dev.parent = &d->udev->dev;
+ i2c_set_adapdata(&d->i2c_adap, d);
+
+ ret = i2c_add_adapter(&d->i2c_adap);
+ if (ret < 0) {
+ d->i2c_adap.algo = NULL;
+ goto err;
+ }
+
+ return 0;
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int dvb_usbv2_i2c_exit(struct dvb_usb_device *d)
+{
+ dev_dbg(&d->udev->dev, "%s:\n", __func__);
+
+ if (d->i2c_adap.algo)
+ i2c_del_adapter(&d->i2c_adap);
+
+ return 0;
+}
+
+#if IS_ENABLED(CONFIG_RC_CORE)
+static void dvb_usb_read_remote_control(struct work_struct *work)
+{
+ struct dvb_usb_device *d = container_of(work,
+ struct dvb_usb_device, rc_query_work.work);
+ int ret;
+
+ /*
+ * When the parameter has been set to 1 via sysfs while the
+ * driver was running, or when bulk mode is enabled after IR init.
+ */
+ if (dvb_usbv2_disable_rc_polling || d->rc.bulk_mode) {
+ d->rc_polling_active = false;
+ return;
+ }
+
+ ret = d->rc.query(d);
+ if (ret < 0) {
+ dev_err(&d->udev->dev, "%s: rc.query() failed=%d\n",
+ KBUILD_MODNAME, ret);
+ d->rc_polling_active = false;
+ return; /* stop polling */
+ }
+
+ schedule_delayed_work(&d->rc_query_work,
+ msecs_to_jiffies(d->rc.interval));
+}
+
+static int dvb_usbv2_remote_init(struct dvb_usb_device *d)
+{
+ int ret;
+ struct rc_dev *dev;
+ dev_dbg(&d->udev->dev, "%s:\n", __func__);
+
+ if (dvb_usbv2_disable_rc_polling || !d->props->get_rc_config)
+ return 0;
+
+ d->rc.map_name = d->rc_map;
+ ret = d->props->get_rc_config(d, &d->rc);
+ if (ret < 0)
+ goto err;
+
+ /* disable rc when there is no keymap defined */
+ if (!d->rc.map_name)
+ return 0;
+
+ dev = rc_allocate_device(d->rc.driver_type);
+ if (!dev) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ dev->dev.parent = &d->udev->dev;
+ dev->device_name = d->name;
+ usb_make_path(d->udev, d->rc_phys, sizeof(d->rc_phys));
+ strlcat(d->rc_phys, "/ir0", sizeof(d->rc_phys));
+ dev->input_phys = d->rc_phys;
+ usb_to_input_id(d->udev, &dev->input_id);
+ dev->driver_name = d->props->driver_name;
+ dev->map_name = d->rc.map_name;
+ dev->allowed_protocols = d->rc.allowed_protos;
+ dev->change_protocol = d->rc.change_protocol;
+ dev->timeout = d->rc.timeout;
+ dev->priv = d;
+
+ ret = rc_register_device(dev);
+ if (ret < 0) {
+ rc_free_device(dev);
+ goto err;
+ }
+
+ d->rc_dev = dev;
+
+ /* start polling if needed */
+ if (d->rc.query && !d->rc.bulk_mode) {
+ /* initialize a work queue for handling polling */
+ INIT_DELAYED_WORK(&d->rc_query_work,
+ dvb_usb_read_remote_control);
+ dev_info(&d->udev->dev,
+ "%s: schedule remote query interval to %d msecs\n",
+ KBUILD_MODNAME, d->rc.interval);
+ schedule_delayed_work(&d->rc_query_work,
+ msecs_to_jiffies(d->rc.interval));
+ d->rc_polling_active = true;
+ }
+
+ return 0;
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int dvb_usbv2_remote_exit(struct dvb_usb_device *d)
+{
+ dev_dbg(&d->udev->dev, "%s:\n", __func__);
+
+ if (d->rc_dev) {
+ cancel_delayed_work_sync(&d->rc_query_work);
+ rc_unregister_device(d->rc_dev);
+ d->rc_dev = NULL;
+ }
+
+ return 0;
+}
+#else
+ #define dvb_usbv2_remote_init(args...) 0
+ #define dvb_usbv2_remote_exit(args...)
+#endif
+
+static void dvb_usb_data_complete(struct usb_data_stream *stream, u8 *buf,
+ size_t len)
+{
+ struct dvb_usb_adapter *adap = stream->user_priv;
+ dvb_dmx_swfilter(&adap->demux, buf, len);
+}
+
+static void dvb_usb_data_complete_204(struct usb_data_stream *stream, u8 *buf,
+ size_t len)
+{
+ struct dvb_usb_adapter *adap = stream->user_priv;
+ dvb_dmx_swfilter_204(&adap->demux, buf, len);
+}
+
+static void dvb_usb_data_complete_raw(struct usb_data_stream *stream, u8 *buf,
+ size_t len)
+{
+ struct dvb_usb_adapter *adap = stream->user_priv;
+ dvb_dmx_swfilter_raw(&adap->demux, buf, len);
+}
+
+static int dvb_usbv2_adapter_stream_init(struct dvb_usb_adapter *adap)
+{
+ dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
+ adap->id);
+
+ adap->stream.udev = adap_to_d(adap)->udev;
+ adap->stream.user_priv = adap;
+ adap->stream.complete = dvb_usb_data_complete;
+
+ return usb_urb_initv2(&adap->stream, &adap->props->stream);
+}
+
+static int dvb_usbv2_adapter_stream_exit(struct dvb_usb_adapter *adap)
+{
+ dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
+ adap->id);
+
+ return usb_urb_exitv2(&adap->stream);
+}
+
+static int dvb_usb_start_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+ struct dvb_usb_adapter *adap = dvbdmxfeed->demux->priv;
+ struct dvb_usb_device *d = adap_to_d(adap);
+ int ret = 0;
+ struct usb_data_stream_properties stream_props;
+ dev_dbg(&d->udev->dev,
+ "%s: adap=%d active_fe=%d feed_type=%d setting pid [%s]: %04x (%04d) at index %d\n",
+ __func__, adap->id, adap->active_fe, dvbdmxfeed->type,
+ adap->pid_filtering ? "yes" : "no", dvbdmxfeed->pid,
+ dvbdmxfeed->pid, dvbdmxfeed->index);
+
+ /* wait init is done */
+ wait_on_bit(&adap->state_bits, ADAP_INIT, TASK_UNINTERRUPTIBLE);
+
+ if (adap->active_fe == -1)
+ return -EINVAL;
+
+ /* skip feed setup if we are already feeding */
+ if (adap->feed_count++ > 0)
+ goto skip_feed_start;
+
+ /* set 'streaming' status bit */
+ set_bit(ADAP_STREAMING, &adap->state_bits);
+
+ /* resolve input and output streaming parameters */
+ if (d->props->get_stream_config) {
+ memcpy(&stream_props, &adap->props->stream,
+ sizeof(struct usb_data_stream_properties));
+ ret = d->props->get_stream_config(adap->fe[adap->active_fe],
+ &adap->ts_type, &stream_props);
+ if (ret)
+ dev_err(&d->udev->dev,
+ "%s: get_stream_config() failed=%d\n",
+ KBUILD_MODNAME, ret);
+ } else {
+ stream_props = adap->props->stream;
+ }
+
+ switch (adap->ts_type) {
+ case DVB_USB_FE_TS_TYPE_204:
+ adap->stream.complete = dvb_usb_data_complete_204;
+ break;
+ case DVB_USB_FE_TS_TYPE_RAW:
+ adap->stream.complete = dvb_usb_data_complete_raw;
+ break;
+ case DVB_USB_FE_TS_TYPE_188:
+ default:
+ adap->stream.complete = dvb_usb_data_complete;
+ break;
+ }
+
+ /* submit USB streaming packets */
+ usb_urb_submitv2(&adap->stream, &stream_props);
+
+ /* enable HW PID filter */
+ if (adap->pid_filtering && adap->props->pid_filter_ctrl) {
+ ret = adap->props->pid_filter_ctrl(adap, 1);
+ if (ret)
+ dev_err(&d->udev->dev,
+ "%s: pid_filter_ctrl() failed=%d\n",
+ KBUILD_MODNAME, ret);
+ }
+
+ /* ask device to start streaming */
+ if (d->props->streaming_ctrl) {
+ ret = d->props->streaming_ctrl(adap->fe[adap->active_fe], 1);
+ if (ret)
+ dev_err(&d->udev->dev,
+ "%s: streaming_ctrl() failed=%d\n",
+ KBUILD_MODNAME, ret);
+ }
+skip_feed_start:
+
+ /* add PID to device HW PID filter */
+ if (adap->pid_filtering && adap->props->pid_filter) {
+ ret = adap->props->pid_filter(adap, dvbdmxfeed->index,
+ dvbdmxfeed->pid, 1);
+ if (ret)
+ dev_err(&d->udev->dev, "%s: pid_filter() failed=%d\n",
+ KBUILD_MODNAME, ret);
+ }
+
+ if (ret)
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int dvb_usb_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
+{
+ struct dvb_usb_adapter *adap = dvbdmxfeed->demux->priv;
+ struct dvb_usb_device *d = adap_to_d(adap);
+ int ret = 0;
+ dev_dbg(&d->udev->dev,
+ "%s: adap=%d active_fe=%d feed_type=%d setting pid [%s]: %04x (%04d) at index %d\n",
+ __func__, adap->id, adap->active_fe, dvbdmxfeed->type,
+ adap->pid_filtering ? "yes" : "no", dvbdmxfeed->pid,
+ dvbdmxfeed->pid, dvbdmxfeed->index);
+
+ if (adap->active_fe == -1)
+ return -EINVAL;
+
+ /* remove PID from device HW PID filter */
+ if (adap->pid_filtering && adap->props->pid_filter) {
+ ret = adap->props->pid_filter(adap, dvbdmxfeed->index,
+ dvbdmxfeed->pid, 0);
+ if (ret)
+ dev_err(&d->udev->dev, "%s: pid_filter() failed=%d\n",
+ KBUILD_MODNAME, ret);
+ }
+
+ /* we cannot stop streaming until last PID is removed */
+ if (--adap->feed_count > 0)
+ goto skip_feed_stop;
+
+ /* ask device to stop streaming */
+ if (d->props->streaming_ctrl) {
+ ret = d->props->streaming_ctrl(adap->fe[adap->active_fe], 0);
+ if (ret)
+ dev_err(&d->udev->dev,
+ "%s: streaming_ctrl() failed=%d\n",
+ KBUILD_MODNAME, ret);
+ }
+
+ /* disable HW PID filter */
+ if (adap->pid_filtering && adap->props->pid_filter_ctrl) {
+ ret = adap->props->pid_filter_ctrl(adap, 0);
+ if (ret)
+ dev_err(&d->udev->dev,
+ "%s: pid_filter_ctrl() failed=%d\n",
+ KBUILD_MODNAME, ret);
+ }
+
+ /* kill USB streaming packets */
+ usb_urb_killv2(&adap->stream);
+
+ /* clear 'streaming' status bit */
+ clear_bit(ADAP_STREAMING, &adap->state_bits);
+ smp_mb__after_atomic();
+ wake_up_bit(&adap->state_bits, ADAP_STREAMING);
+skip_feed_stop:
+
+ if (ret)
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int dvb_usbv2_media_device_init(struct dvb_usb_adapter *adap)
+{
+#ifdef CONFIG_MEDIA_CONTROLLER_DVB
+ struct media_device *mdev;
+ struct dvb_usb_device *d = adap_to_d(adap);
+ struct usb_device *udev = d->udev;
+
+ mdev = kzalloc(sizeof(*mdev), GFP_KERNEL);
+ if (!mdev)
+ return -ENOMEM;
+
+ media_device_usb_init(mdev, udev, d->name);
+
+ dvb_register_media_controller(&adap->dvb_adap, mdev);
+
+ dev_info(&d->udev->dev, "media controller created\n");
+#endif
+ return 0;
+}
+
+static int dvb_usbv2_media_device_register(struct dvb_usb_adapter *adap)
+{
+#ifdef CONFIG_MEDIA_CONTROLLER_DVB
+ return media_device_register(adap->dvb_adap.mdev);
+#else
+ return 0;
+#endif
+}
+
+static void dvb_usbv2_media_device_unregister(struct dvb_usb_adapter *adap)
+{
+#ifdef CONFIG_MEDIA_CONTROLLER_DVB
+
+ if (!adap->dvb_adap.mdev)
+ return;
+
+ media_device_unregister(adap->dvb_adap.mdev);
+ media_device_cleanup(adap->dvb_adap.mdev);
+ kfree(adap->dvb_adap.mdev);
+ adap->dvb_adap.mdev = NULL;
+
+#endif
+}
+
+static int dvb_usbv2_adapter_dvb_init(struct dvb_usb_adapter *adap)
+{
+ int ret;
+ struct dvb_usb_device *d = adap_to_d(adap);
+
+ dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id);
+
+ ret = dvb_register_adapter(&adap->dvb_adap, d->name, d->props->owner,
+ &d->udev->dev, d->props->adapter_nr);
+ if (ret < 0) {
+ dev_dbg(&d->udev->dev, "%s: dvb_register_adapter() failed=%d\n",
+ __func__, ret);
+ goto err_dvb_register_adapter;
+ }
+
+ adap->dvb_adap.priv = adap;
+
+ ret = dvb_usbv2_media_device_init(adap);
+ if (ret < 0) {
+ dev_dbg(&d->udev->dev, "%s: dvb_usbv2_media_device_init() failed=%d\n",
+ __func__, ret);
+ goto err_dvb_register_mc;
+ }
+
+ if (d->props->read_mac_address) {
+ ret = d->props->read_mac_address(adap,
+ adap->dvb_adap.proposed_mac);
+ if (ret < 0)
+ goto err_dvb_dmx_init;
+
+ dev_info(&d->udev->dev, "%s: MAC address: %pM\n",
+ KBUILD_MODNAME, adap->dvb_adap.proposed_mac);
+ }
+
+ adap->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING;
+ adap->demux.priv = adap;
+ adap->demux.filternum = 0;
+ adap->demux.filternum = adap->max_feed_count;
+ adap->demux.feednum = adap->demux.filternum;
+ adap->demux.start_feed = dvb_usb_start_feed;
+ adap->demux.stop_feed = dvb_usb_stop_feed;
+ adap->demux.write_to_decoder = NULL;
+ ret = dvb_dmx_init(&adap->demux);
+ if (ret < 0) {
+ dev_err(&d->udev->dev, "%s: dvb_dmx_init() failed=%d\n",
+ KBUILD_MODNAME, ret);
+ goto err_dvb_dmx_init;
+ }
+
+ adap->dmxdev.filternum = adap->demux.filternum;
+ adap->dmxdev.demux = &adap->demux.dmx;
+ adap->dmxdev.capabilities = 0;
+ ret = dvb_dmxdev_init(&adap->dmxdev, &adap->dvb_adap);
+ if (ret < 0) {
+ dev_err(&d->udev->dev, "%s: dvb_dmxdev_init() failed=%d\n",
+ KBUILD_MODNAME, ret);
+ goto err_dvb_dmxdev_init;
+ }
+
+ ret = dvb_net_init(&adap->dvb_adap, &adap->dvb_net, &adap->demux.dmx);
+ if (ret < 0) {
+ dev_err(&d->udev->dev, "%s: dvb_net_init() failed=%d\n",
+ KBUILD_MODNAME, ret);
+ goto err_dvb_net_init;
+ }
+
+ return 0;
+err_dvb_net_init:
+ dvb_dmxdev_release(&adap->dmxdev);
+err_dvb_dmxdev_init:
+ dvb_dmx_release(&adap->demux);
+err_dvb_dmx_init:
+ dvb_usbv2_media_device_unregister(adap);
+err_dvb_register_mc:
+ dvb_unregister_adapter(&adap->dvb_adap);
+err_dvb_register_adapter:
+ adap->dvb_adap.priv = NULL;
+ return ret;
+}
+
+static int dvb_usbv2_adapter_dvb_exit(struct dvb_usb_adapter *adap)
+{
+ dev_dbg(&adap_to_d(adap)->udev->dev, "%s: adap=%d\n", __func__,
+ adap->id);
+
+ if (adap->dvb_adap.priv) {
+ dvb_net_release(&adap->dvb_net);
+ adap->demux.dmx.close(&adap->demux.dmx);
+ dvb_dmxdev_release(&adap->dmxdev);
+ dvb_dmx_release(&adap->demux);
+ dvb_unregister_adapter(&adap->dvb_adap);
+ }
+
+ return 0;
+}
+
+static int dvb_usbv2_device_power_ctrl(struct dvb_usb_device *d, int onoff)
+{
+ int ret;
+
+ if (onoff)
+ d->powered++;
+ else
+ d->powered--;
+
+ if (d->powered == 0 || (onoff && d->powered == 1)) {
+ /* when switching from 1 to 0 or from 0 to 1 */
+ dev_dbg(&d->udev->dev, "%s: power=%d\n", __func__, onoff);
+ if (d->props->power_ctrl) {
+ ret = d->props->power_ctrl(d, onoff);
+ if (ret < 0)
+ goto err;
+ }
+ }
+
+ return 0;
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int dvb_usb_fe_init(struct dvb_frontend *fe)
+{
+ int ret;
+ struct dvb_usb_adapter *adap = fe->dvb->priv;
+ struct dvb_usb_device *d = adap_to_d(adap);
+ dev_dbg(&d->udev->dev, "%s: adap=%d fe=%d\n", __func__, adap->id,
+ fe->id);
+
+ if (!adap->suspend_resume_active) {
+ adap->active_fe = fe->id;
+ set_bit(ADAP_INIT, &adap->state_bits);
+ }
+
+ ret = dvb_usbv2_device_power_ctrl(d, 1);
+ if (ret < 0)
+ goto err;
+
+ if (d->props->frontend_ctrl) {
+ ret = d->props->frontend_ctrl(fe, 1);
+ if (ret < 0)
+ goto err;
+ }
+
+ if (adap->fe_init[fe->id]) {
+ ret = adap->fe_init[fe->id](fe);
+ if (ret < 0)
+ goto err;
+ }
+err:
+ if (!adap->suspend_resume_active) {
+ clear_bit(ADAP_INIT, &adap->state_bits);
+ smp_mb__after_atomic();
+ wake_up_bit(&adap->state_bits, ADAP_INIT);
+ }
+
+ dev_dbg(&d->udev->dev, "%s: ret=%d\n", __func__, ret);
+ return ret;
+}
+
+static int dvb_usb_fe_sleep(struct dvb_frontend *fe)
+{
+ int ret;
+ struct dvb_usb_adapter *adap = fe->dvb->priv;
+ struct dvb_usb_device *d = adap_to_d(adap);
+ dev_dbg(&d->udev->dev, "%s: adap=%d fe=%d\n", __func__, adap->id,
+ fe->id);
+
+ if (!adap->suspend_resume_active) {
+ set_bit(ADAP_SLEEP, &adap->state_bits);
+ wait_on_bit(&adap->state_bits, ADAP_STREAMING,
+ TASK_UNINTERRUPTIBLE);
+ }
+
+ if (adap->fe_sleep[fe->id]) {
+ ret = adap->fe_sleep[fe->id](fe);
+ if (ret < 0)
+ goto err;
+ }
+
+ if (d->props->frontend_ctrl) {
+ ret = d->props->frontend_ctrl(fe, 0);
+ if (ret < 0)
+ goto err;
+ }
+
+ ret = dvb_usbv2_device_power_ctrl(d, 0);
+
+err:
+ if (!adap->suspend_resume_active) {
+ adap->active_fe = -1;
+ clear_bit(ADAP_SLEEP, &adap->state_bits);
+ smp_mb__after_atomic();
+ wake_up_bit(&adap->state_bits, ADAP_SLEEP);
+ }
+
+ dev_dbg(&d->udev->dev, "%s: ret=%d\n", __func__, ret);
+ return ret;
+}
+
+static int dvb_usbv2_adapter_frontend_init(struct dvb_usb_adapter *adap)
+{
+ int ret, i, count_registered = 0;
+ struct dvb_usb_device *d = adap_to_d(adap);
+ dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id);
+
+ memset(adap->fe, 0, sizeof(adap->fe));
+ adap->active_fe = -1;
+
+ if (d->props->frontend_attach) {
+ ret = d->props->frontend_attach(adap);
+ if (ret < 0) {
+ dev_dbg(&d->udev->dev,
+ "%s: frontend_attach() failed=%d\n",
+ __func__, ret);
+ goto err_dvb_frontend_detach;
+ }
+ } else {
+ dev_dbg(&d->udev->dev, "%s: frontend_attach() do not exists\n",
+ __func__);
+ ret = 0;
+ goto err;
+ }
+
+ for (i = 0; i < MAX_NO_OF_FE_PER_ADAP && adap->fe[i]; i++) {
+ adap->fe[i]->id = i;
+ /* re-assign sleep and wakeup functions */
+ adap->fe_init[i] = adap->fe[i]->ops.init;
+ adap->fe[i]->ops.init = dvb_usb_fe_init;
+ adap->fe_sleep[i] = adap->fe[i]->ops.sleep;
+ adap->fe[i]->ops.sleep = dvb_usb_fe_sleep;
+
+ ret = dvb_register_frontend(&adap->dvb_adap, adap->fe[i]);
+ if (ret < 0) {
+ dev_err(&d->udev->dev,
+ "%s: frontend%d registration failed\n",
+ KBUILD_MODNAME, i);
+ goto err_dvb_unregister_frontend;
+ }
+
+ count_registered++;
+ }
+
+ if (d->props->tuner_attach) {
+ ret = d->props->tuner_attach(adap);
+ if (ret < 0) {
+ dev_dbg(&d->udev->dev, "%s: tuner_attach() failed=%d\n",
+ __func__, ret);
+ goto err_dvb_unregister_frontend;
+ }
+ }
+
+ ret = dvb_create_media_graph(&adap->dvb_adap, true);
+ if (ret < 0)
+ goto err_dvb_unregister_frontend;
+
+ ret = dvb_usbv2_media_device_register(adap);
+
+ return ret;
+
+err_dvb_unregister_frontend:
+ for (i = count_registered - 1; i >= 0; i--)
+ dvb_unregister_frontend(adap->fe[i]);
+
+err_dvb_frontend_detach:
+ for (i = MAX_NO_OF_FE_PER_ADAP - 1; i >= 0; i--) {
+ if (adap->fe[i]) {
+ dvb_frontend_detach(adap->fe[i]);
+ adap->fe[i] = NULL;
+ }
+ }
+
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int dvb_usbv2_adapter_frontend_exit(struct dvb_usb_adapter *adap)
+{
+ int ret, i;
+ struct dvb_usb_device *d = adap_to_d(adap);
+
+ dev_dbg(&d->udev->dev, "%s: adap=%d\n", __func__, adap->id);
+
+ for (i = MAX_NO_OF_FE_PER_ADAP - 1; i >= 0; i--) {
+ if (adap->fe[i]) {
+ dvb_unregister_frontend(adap->fe[i]);
+ dvb_frontend_detach(adap->fe[i]);
+ }
+ }
+
+ if (d->props->tuner_detach) {
+ ret = d->props->tuner_detach(adap);
+ if (ret < 0) {
+ dev_dbg(&d->udev->dev, "%s: tuner_detach() failed=%d\n",
+ __func__, ret);
+ }
+ }
+
+ if (d->props->frontend_detach) {
+ ret = d->props->frontend_detach(adap);
+ if (ret < 0) {
+ dev_dbg(&d->udev->dev,
+ "%s: frontend_detach() failed=%d\n",
+ __func__, ret);
+ }
+ }
+
+ return 0;
+}
+
+static int dvb_usbv2_adapter_init(struct dvb_usb_device *d)
+{
+ struct dvb_usb_adapter *adap;
+ int ret, i, adapter_count;
+
+ /* resolve adapter count */
+ adapter_count = d->props->num_adapters;
+ if (d->props->get_adapter_count) {
+ ret = d->props->get_adapter_count(d);
+ if (ret < 0)
+ goto err;
+
+ adapter_count = ret;
+ }
+
+ for (i = 0; i < adapter_count; i++) {
+ adap = &d->adapter[i];
+ adap->id = i;
+ adap->props = &d->props->adapter[i];
+
+ /* speed - when running at FULL speed we need a HW PID filter */
+ if (d->udev->speed == USB_SPEED_FULL &&
+ !(adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER)) {
+ dev_err(&d->udev->dev,
+ "%s: this USB2.0 device cannot be run on a USB1.1 port (it lacks a hardware PID filter)\n",
+ KBUILD_MODNAME);
+ ret = -ENODEV;
+ goto err;
+ } else if ((d->udev->speed == USB_SPEED_FULL &&
+ adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER) ||
+ (adap->props->caps & DVB_USB_ADAP_NEED_PID_FILTERING)) {
+ dev_info(&d->udev->dev,
+ "%s: will use the device's hardware PID filter (table count: %d)\n",
+ KBUILD_MODNAME,
+ adap->props->pid_filter_count);
+ adap->pid_filtering = 1;
+ adap->max_feed_count = adap->props->pid_filter_count;
+ } else {
+ dev_info(&d->udev->dev,
+ "%s: will pass the complete MPEG2 transport stream to the software demuxer\n",
+ KBUILD_MODNAME);
+ adap->pid_filtering = 0;
+ adap->max_feed_count = 255;
+ }
+
+ if (!adap->pid_filtering && dvb_usb_force_pid_filter_usage &&
+ adap->props->caps & DVB_USB_ADAP_HAS_PID_FILTER) {
+ dev_info(&d->udev->dev,
+ "%s: PID filter enabled by module option\n",
+ KBUILD_MODNAME);
+ adap->pid_filtering = 1;
+ adap->max_feed_count = adap->props->pid_filter_count;
+ }
+
+ ret = dvb_usbv2_adapter_stream_init(adap);
+ if (ret)
+ goto err;
+
+ ret = dvb_usbv2_adapter_dvb_init(adap);
+ if (ret)
+ goto err;
+
+ ret = dvb_usbv2_adapter_frontend_init(adap);
+ if (ret)
+ goto err;
+
+ /* use exclusive FE lock if there is multiple shared FEs */
+ if (adap->fe[1])
+ adap->dvb_adap.mfe_shared = 1;
+ }
+
+ return 0;
+err:
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+static int dvb_usbv2_adapter_exit(struct dvb_usb_device *d)
+{
+ int i;
+ dev_dbg(&d->udev->dev, "%s:\n", __func__);
+
+ for (i = MAX_NO_OF_ADAPTER_PER_DEVICE - 1; i >= 0; i--) {
+ if (d->adapter[i].props) {
+ dvb_usbv2_adapter_dvb_exit(&d->adapter[i]);
+ dvb_usbv2_adapter_stream_exit(&d->adapter[i]);
+ dvb_usbv2_adapter_frontend_exit(&d->adapter[i]);
+ dvb_usbv2_media_device_unregister(&d->adapter[i]);
+ }
+ }
+
+ return 0;
+}
+
+/* general initialization functions */
+static int dvb_usbv2_exit(struct dvb_usb_device *d)
+{
+ dev_dbg(&d->udev->dev, "%s:\n", __func__);
+
+ dvb_usbv2_remote_exit(d);
+ dvb_usbv2_adapter_exit(d);
+ dvb_usbv2_i2c_exit(d);
+
+ return 0;
+}
+
+static int dvb_usbv2_init(struct dvb_usb_device *d)
+{
+ int ret;
+ dev_dbg(&d->udev->dev, "%s:\n", __func__);
+
+ dvb_usbv2_device_power_ctrl(d, 1);
+
+ if (d->props->read_config) {
+ ret = d->props->read_config(d);
+ if (ret < 0)
+ goto err;
+ }
+
+ ret = dvb_usbv2_i2c_init(d);
+ if (ret < 0)
+ goto err;
+
+ ret = dvb_usbv2_adapter_init(d);
+ if (ret < 0)
+ goto err;
+
+ if (d->props->init) {
+ ret = d->props->init(d);
+ if (ret < 0)
+ goto err;
+ }
+
+ ret = dvb_usbv2_remote_init(d);
+ if (ret < 0)
+ goto err;
+
+ dvb_usbv2_device_power_ctrl(d, 0);
+
+ return 0;
+err:
+ dvb_usbv2_device_power_ctrl(d, 0);
+ dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+
+int dvb_usbv2_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ int ret;
+ struct dvb_usb_device *d;
+ struct usb_device *udev = interface_to_usbdev(intf);
+ struct dvb_usb_driver_info *driver_info =
+ (struct dvb_usb_driver_info *) id->driver_info;
+
+ dev_dbg(&udev->dev, "%s: bInterfaceNumber=%d\n", __func__,
+ intf->cur_altsetting->desc.bInterfaceNumber);
+
+ if (!id->driver_info) {
+ dev_err(&udev->dev, "%s: driver_info failed\n", KBUILD_MODNAME);
+ ret = -ENODEV;
+ goto err;
+ }
+
+ d = kzalloc(sizeof(struct dvb_usb_device), GFP_KERNEL);
+ if (!d) {
+ dev_err(&udev->dev, "%s: kzalloc() failed\n", KBUILD_MODNAME);
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ d->intf = intf;
+ d->name = driver_info->name;
+ d->rc_map = driver_info->rc_map;
+ d->udev = udev;
+ d->props = driver_info->props;
+
+ if (intf->cur_altsetting->desc.bInterfaceNumber !=
+ d->props->bInterfaceNumber) {
+ ret = -ENODEV;
+ goto err_kfree_d;
+ }
+
+ mutex_init(&d->usb_mutex);
+ mutex_init(&d->i2c_mutex);
+
+ if (d->props->size_of_priv) {
+ d->priv = kzalloc(d->props->size_of_priv, GFP_KERNEL);
+ if (!d->priv) {
+ dev_err(&d->udev->dev, "%s: kzalloc() failed\n",
+ KBUILD_MODNAME);
+ ret = -ENOMEM;
+ goto err_kfree_d;
+ }
+ }
+
+ if (d->props->probe) {
+ ret = d->props->probe(d);
+ if (ret)
+ goto err_kfree_priv;
+ }
+
+ if (d->props->identify_state) {
+ const char *name = NULL;
+ ret = d->props->identify_state(d, &name);
+ if (ret == COLD) {
+ dev_info(&d->udev->dev,
+ "%s: found a '%s' in cold state\n",
+ KBUILD_MODNAME, d->name);
+
+ if (!name)
+ name = d->props->firmware;
+
+ ret = dvb_usbv2_download_firmware(d, name);
+ if (ret == 0) {
+ /* device is warm, continue initialization */
+ ;
+ } else if (ret == RECONNECTS_USB) {
+ /*
+ * USB core will call disconnect() and then
+ * probe() as device reconnects itself from the
+ * USB bus. disconnect() will release all driver
+ * resources and probe() is called for 'new'
+ * device. As 'new' device is warm we should
+ * never go here again.
+ */
+ goto exit;
+ } else {
+ goto err_free_all;
+ }
+ } else if (ret != WARM) {
+ goto err_free_all;
+ }
+ }
+
+ dev_info(&d->udev->dev, "%s: found a '%s' in warm state\n",
+ KBUILD_MODNAME, d->name);
+
+ ret = dvb_usbv2_init(d);
+ if (ret < 0)
+ goto err_free_all;
+
+ dev_info(&d->udev->dev,
+ "%s: '%s' successfully initialized and connected\n",
+ KBUILD_MODNAME, d->name);
+exit:
+ usb_set_intfdata(intf, d);
+
+ return 0;
+err_free_all:
+ dvb_usbv2_exit(d);
+ if (d->props->disconnect)
+ d->props->disconnect(d);
+err_kfree_priv:
+ kfree(d->priv);
+err_kfree_d:
+ kfree(d);
+err:
+ dev_dbg(&udev->dev, "%s: failed=%d\n", __func__, ret);
+ return ret;
+}
+EXPORT_SYMBOL(dvb_usbv2_probe);
+
+void dvb_usbv2_disconnect(struct usb_interface *intf)
+{
+ struct dvb_usb_device *d = usb_get_intfdata(intf);
+ const char *devname = kstrdup(dev_name(&d->udev->dev), GFP_KERNEL);
+ const char *drvname = d->name;
+
+ dev_dbg(&d->udev->dev, "%s: bInterfaceNumber=%d\n", __func__,
+ intf->cur_altsetting->desc.bInterfaceNumber);
+
+ if (d->props->exit)
+ d->props->exit(d);
+
+ dvb_usbv2_exit(d);
+
+ if (d->props->disconnect)
+ d->props->disconnect(d);
+
+ kfree(d->priv);
+ kfree(d);
+
+ pr_info("%s: '%s:%s' successfully deinitialized and disconnected\n",
+ KBUILD_MODNAME, drvname, devname);
+ kfree(devname);
+}
+EXPORT_SYMBOL(dvb_usbv2_disconnect);
+
+int dvb_usbv2_suspend(struct usb_interface *intf, pm_message_t msg)
+{
+ struct dvb_usb_device *d = usb_get_intfdata(intf);
+ int ret = 0, i, active_fe;
+ struct dvb_frontend *fe;
+ dev_dbg(&d->udev->dev, "%s:\n", __func__);
+
+ /* stop remote controller poll */
+ if (d->rc_polling_active)
+ cancel_delayed_work_sync(&d->rc_query_work);
+
+ for (i = MAX_NO_OF_ADAPTER_PER_DEVICE - 1; i >= 0; i--) {
+ active_fe = d->adapter[i].active_fe;
+ if (d->adapter[i].dvb_adap.priv && active_fe != -1) {
+ fe = d->adapter[i].fe[active_fe];
+ d->adapter[i].suspend_resume_active = true;
+
+ if (d->props->streaming_ctrl)
+ d->props->streaming_ctrl(fe, 0);
+
+ /* stop usb streaming */
+ usb_urb_killv2(&d->adapter[i].stream);
+
+ ret = dvb_frontend_suspend(fe);
+ }
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL(dvb_usbv2_suspend);
+
+static int dvb_usbv2_resume_common(struct dvb_usb_device *d)
+{
+ int ret = 0, i, active_fe;
+ struct dvb_frontend *fe;
+ dev_dbg(&d->udev->dev, "%s:\n", __func__);
+
+ for (i = 0; i < MAX_NO_OF_ADAPTER_PER_DEVICE; i++) {
+ active_fe = d->adapter[i].active_fe;
+ if (d->adapter[i].dvb_adap.priv && active_fe != -1) {
+ fe = d->adapter[i].fe[active_fe];
+
+ ret = dvb_frontend_resume(fe);
+
+ /* resume usb streaming */
+ usb_urb_submitv2(&d->adapter[i].stream, NULL);
+
+ if (d->props->streaming_ctrl)
+ d->props->streaming_ctrl(fe, 1);
+
+ d->adapter[i].suspend_resume_active = false;
+ }
+ }
+
+ /* start remote controller poll */
+ if (d->rc_polling_active)
+ schedule_delayed_work(&d->rc_query_work,
+ msecs_to_jiffies(d->rc.interval));
+
+ return ret;
+}
+
+int dvb_usbv2_resume(struct usb_interface *intf)
+{
+ struct dvb_usb_device *d = usb_get_intfdata(intf);
+ dev_dbg(&d->udev->dev, "%s:\n", __func__);
+
+ return dvb_usbv2_resume_common(d);
+}
+EXPORT_SYMBOL(dvb_usbv2_resume);
+
+int dvb_usbv2_reset_resume(struct usb_interface *intf)
+{
+ struct dvb_usb_device *d = usb_get_intfdata(intf);
+ int ret;
+ dev_dbg(&d->udev->dev, "%s:\n", __func__);
+
+ dvb_usbv2_device_power_ctrl(d, 1);
+
+ if (d->props->init)
+ d->props->init(d);
+
+ ret = dvb_usbv2_resume_common(d);
+
+ dvb_usbv2_device_power_ctrl(d, 0);
+
+ return ret;
+}
+EXPORT_SYMBOL(dvb_usbv2_reset_resume);
+
+MODULE_VERSION("2.0");
+MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_DESCRIPTION("DVB USB common");
+MODULE_LICENSE("GPL");