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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/rc/ttusbir.c
downloadlinux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.tar.gz
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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/rc/ttusbir.c')
-rw-r--r--drivers/media/rc/ttusbir.c434
1 files changed, 434 insertions, 0 deletions
diff --git a/drivers/media/rc/ttusbir.c b/drivers/media/rc/ttusbir.c
new file mode 100644
index 000000000..560a26f39
--- /dev/null
+++ b/drivers/media/rc/ttusbir.c
@@ -0,0 +1,434 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * TechnoTrend USB IR Receiver
+ *
+ * Copyright (C) 2012 Sean Young <sean@mess.org>
+ */
+
+#include <linux/module.h>
+#include <linux/usb.h>
+#include <linux/usb/input.h>
+#include <linux/slab.h>
+#include <linux/leds.h>
+#include <media/rc-core.h>
+
+#define DRIVER_NAME "ttusbir"
+#define DRIVER_DESC "TechnoTrend USB IR Receiver"
+/*
+ * The Windows driver uses 8 URBS, the original lirc drivers has a
+ * configurable amount (2 default, 4 max). This device generates about 125
+ * messages per second (!), whether IR is idle or not.
+ */
+#define NUM_URBS 4
+#define US_PER_BYTE 62
+#define US_PER_BIT (US_PER_BYTE / 8)
+
+struct ttusbir {
+ struct rc_dev *rc;
+ struct device *dev;
+ struct usb_device *udev;
+
+ struct urb *urb[NUM_URBS];
+
+ struct led_classdev led;
+ struct urb *bulk_urb;
+ uint8_t bulk_buffer[5];
+ int bulk_out_endp, iso_in_endp;
+ bool led_on, is_led_on;
+ atomic_t led_complete;
+
+ char phys[64];
+};
+
+static enum led_brightness ttusbir_brightness_get(struct led_classdev *led_dev)
+{
+ struct ttusbir *tt = container_of(led_dev, struct ttusbir, led);
+
+ return tt->led_on ? LED_FULL : LED_OFF;
+}
+
+static void ttusbir_set_led(struct ttusbir *tt)
+{
+ int ret;
+
+ smp_mb();
+
+ if (tt->led_on != tt->is_led_on && tt->udev &&
+ atomic_add_unless(&tt->led_complete, 1, 1)) {
+ tt->bulk_buffer[4] = tt->is_led_on = tt->led_on;
+ ret = usb_submit_urb(tt->bulk_urb, GFP_ATOMIC);
+ if (ret) {
+ dev_warn(tt->dev, "failed to submit bulk urb: %d\n",
+ ret);
+ atomic_dec(&tt->led_complete);
+ }
+ }
+}
+
+static void ttusbir_brightness_set(struct led_classdev *led_dev, enum
+ led_brightness brightness)
+{
+ struct ttusbir *tt = container_of(led_dev, struct ttusbir, led);
+
+ tt->led_on = brightness != LED_OFF;
+
+ ttusbir_set_led(tt);
+}
+
+/*
+ * The urb cannot be reused until the urb completes
+ */
+static void ttusbir_bulk_complete(struct urb *urb)
+{
+ struct ttusbir *tt = urb->context;
+
+ atomic_dec(&tt->led_complete);
+
+ switch (urb->status) {
+ case 0:
+ break;
+ case -ECONNRESET:
+ case -ENOENT:
+ case -ESHUTDOWN:
+ return;
+ case -EPIPE:
+ default:
+ dev_dbg(tt->dev, "Error: urb status = %d\n", urb->status);
+ break;
+ }
+
+ ttusbir_set_led(tt);
+}
+
+/*
+ * The data is one bit per sample, a set bit signifying silence and samples
+ * being MSB first. Bit 0 can contain garbage so take it to be whatever
+ * bit 1 is, so we don't have unexpected edges.
+ */
+static void ttusbir_process_ir_data(struct ttusbir *tt, uint8_t *buf)
+{
+ struct ir_raw_event rawir = {};
+ unsigned i, v, b;
+ bool event = false;
+
+ for (i = 0; i < 128; i++) {
+ v = buf[i] & 0xfe;
+ switch (v) {
+ case 0xfe:
+ rawir.pulse = false;
+ rawir.duration = US_PER_BYTE;
+ if (ir_raw_event_store_with_filter(tt->rc, &rawir))
+ event = true;
+ break;
+ case 0:
+ rawir.pulse = true;
+ rawir.duration = US_PER_BYTE;
+ if (ir_raw_event_store_with_filter(tt->rc, &rawir))
+ event = true;
+ break;
+ default:
+ /* one edge per byte */
+ if (v & 2) {
+ b = ffz(v | 1);
+ rawir.pulse = true;
+ } else {
+ b = ffs(v) - 1;
+ rawir.pulse = false;
+ }
+
+ rawir.duration = US_PER_BIT * (8 - b);
+ if (ir_raw_event_store_with_filter(tt->rc, &rawir))
+ event = true;
+
+ rawir.pulse = !rawir.pulse;
+ rawir.duration = US_PER_BIT * b;
+ if (ir_raw_event_store_with_filter(tt->rc, &rawir))
+ event = true;
+ break;
+ }
+ }
+
+ /* don't wakeup when there's nothing to do */
+ if (event)
+ ir_raw_event_handle(tt->rc);
+}
+
+static void ttusbir_urb_complete(struct urb *urb)
+{
+ struct ttusbir *tt = urb->context;
+ int rc;
+
+ switch (urb->status) {
+ case 0:
+ ttusbir_process_ir_data(tt, urb->transfer_buffer);
+ break;
+ case -ECONNRESET:
+ case -ENOENT:
+ case -ESHUTDOWN:
+ return;
+ case -EPIPE:
+ default:
+ dev_dbg(tt->dev, "Error: urb status = %d\n", urb->status);
+ break;
+ }
+
+ rc = usb_submit_urb(urb, GFP_ATOMIC);
+ if (rc && rc != -ENODEV)
+ dev_warn(tt->dev, "failed to resubmit urb: %d\n", rc);
+}
+
+static int ttusbir_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ struct ttusbir *tt;
+ struct usb_interface_descriptor *idesc;
+ struct usb_endpoint_descriptor *desc;
+ struct rc_dev *rc;
+ int i, j, ret;
+ int altsetting = -1;
+
+ tt = kzalloc(sizeof(*tt), GFP_KERNEL);
+ rc = rc_allocate_device(RC_DRIVER_IR_RAW);
+ if (!tt || !rc) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ /* find the correct alt setting */
+ for (i = 0; i < intf->num_altsetting && altsetting == -1; i++) {
+ int max_packet, bulk_out_endp = -1, iso_in_endp = -1;
+
+ idesc = &intf->altsetting[i].desc;
+
+ for (j = 0; j < idesc->bNumEndpoints; j++) {
+ desc = &intf->altsetting[i].endpoint[j].desc;
+ max_packet = le16_to_cpu(desc->wMaxPacketSize);
+ if (usb_endpoint_dir_in(desc) &&
+ usb_endpoint_xfer_isoc(desc) &&
+ max_packet == 0x10)
+ iso_in_endp = j;
+ else if (usb_endpoint_dir_out(desc) &&
+ usb_endpoint_xfer_bulk(desc) &&
+ max_packet == 0x20)
+ bulk_out_endp = j;
+
+ if (bulk_out_endp != -1 && iso_in_endp != -1) {
+ tt->bulk_out_endp = bulk_out_endp;
+ tt->iso_in_endp = iso_in_endp;
+ altsetting = i;
+ break;
+ }
+ }
+ }
+
+ if (altsetting == -1) {
+ dev_err(&intf->dev, "cannot find expected altsetting\n");
+ ret = -ENODEV;
+ goto out;
+ }
+
+ tt->dev = &intf->dev;
+ tt->udev = interface_to_usbdev(intf);
+ tt->rc = rc;
+
+ ret = usb_set_interface(tt->udev, 0, altsetting);
+ if (ret)
+ goto out;
+
+ for (i = 0; i < NUM_URBS; i++) {
+ struct urb *urb = usb_alloc_urb(8, GFP_KERNEL);
+ void *buffer;
+
+ if (!urb) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ urb->dev = tt->udev;
+ urb->context = tt;
+ urb->pipe = usb_rcvisocpipe(tt->udev, tt->iso_in_endp);
+ urb->interval = 1;
+ buffer = usb_alloc_coherent(tt->udev, 128, GFP_KERNEL,
+ &urb->transfer_dma);
+ if (!buffer) {
+ usb_free_urb(urb);
+ ret = -ENOMEM;
+ goto out;
+ }
+ urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP | URB_ISO_ASAP;
+ urb->transfer_buffer = buffer;
+ urb->complete = ttusbir_urb_complete;
+ urb->number_of_packets = 8;
+ urb->transfer_buffer_length = 128;
+
+ for (j = 0; j < 8; j++) {
+ urb->iso_frame_desc[j].offset = j * 16;
+ urb->iso_frame_desc[j].length = 16;
+ }
+
+ tt->urb[i] = urb;
+ }
+
+ tt->bulk_urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!tt->bulk_urb) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ tt->bulk_buffer[0] = 0xaa;
+ tt->bulk_buffer[1] = 0x01;
+ tt->bulk_buffer[2] = 0x05;
+ tt->bulk_buffer[3] = 0x01;
+
+ usb_fill_bulk_urb(tt->bulk_urb, tt->udev, usb_sndbulkpipe(tt->udev,
+ tt->bulk_out_endp), tt->bulk_buffer, sizeof(tt->bulk_buffer),
+ ttusbir_bulk_complete, tt);
+
+ tt->led.name = "ttusbir:green:power";
+ tt->led.default_trigger = "rc-feedback";
+ tt->led.brightness_set = ttusbir_brightness_set;
+ tt->led.brightness_get = ttusbir_brightness_get;
+ tt->is_led_on = tt->led_on = true;
+ atomic_set(&tt->led_complete, 0);
+ ret = led_classdev_register(&intf->dev, &tt->led);
+ if (ret)
+ goto out;
+
+ usb_make_path(tt->udev, tt->phys, sizeof(tt->phys));
+
+ rc->device_name = DRIVER_DESC;
+ rc->input_phys = tt->phys;
+ usb_to_input_id(tt->udev, &rc->input_id);
+ rc->dev.parent = &intf->dev;
+ rc->allowed_protocols = RC_PROTO_BIT_ALL_IR_DECODER;
+ rc->priv = tt;
+ rc->driver_name = DRIVER_NAME;
+ rc->map_name = RC_MAP_TT_1500;
+ rc->min_timeout = 1;
+ rc->timeout = IR_DEFAULT_TIMEOUT;
+ rc->max_timeout = 10 * IR_DEFAULT_TIMEOUT;
+
+ /*
+ * The precision is US_PER_BIT, but since every 8th bit can be
+ * overwritten with garbage the accuracy is at best 2 * US_PER_BIT.
+ */
+ rc->rx_resolution = 2 * US_PER_BIT;
+
+ ret = rc_register_device(rc);
+ if (ret) {
+ dev_err(&intf->dev, "failed to register rc device %d\n", ret);
+ goto out2;
+ }
+
+ usb_set_intfdata(intf, tt);
+
+ for (i = 0; i < NUM_URBS; i++) {
+ ret = usb_submit_urb(tt->urb[i], GFP_KERNEL);
+ if (ret) {
+ dev_err(tt->dev, "failed to submit urb %d\n", ret);
+ goto out3;
+ }
+ }
+
+ return 0;
+out3:
+ rc_unregister_device(rc);
+ rc = NULL;
+out2:
+ led_classdev_unregister(&tt->led);
+out:
+ if (tt) {
+ for (i = 0; i < NUM_URBS && tt->urb[i]; i++) {
+ struct urb *urb = tt->urb[i];
+
+ usb_kill_urb(urb);
+ usb_free_coherent(tt->udev, 128, urb->transfer_buffer,
+ urb->transfer_dma);
+ usb_free_urb(urb);
+ }
+ usb_kill_urb(tt->bulk_urb);
+ usb_free_urb(tt->bulk_urb);
+ kfree(tt);
+ }
+ rc_free_device(rc);
+
+ return ret;
+}
+
+static void ttusbir_disconnect(struct usb_interface *intf)
+{
+ struct ttusbir *tt = usb_get_intfdata(intf);
+ struct usb_device *udev = tt->udev;
+ int i;
+
+ tt->udev = NULL;
+
+ rc_unregister_device(tt->rc);
+ led_classdev_unregister(&tt->led);
+ for (i = 0; i < NUM_URBS; i++) {
+ usb_kill_urb(tt->urb[i]);
+ usb_free_coherent(udev, 128, tt->urb[i]->transfer_buffer,
+ tt->urb[i]->transfer_dma);
+ usb_free_urb(tt->urb[i]);
+ }
+ usb_kill_urb(tt->bulk_urb);
+ usb_free_urb(tt->bulk_urb);
+ usb_set_intfdata(intf, NULL);
+ kfree(tt);
+}
+
+static int ttusbir_suspend(struct usb_interface *intf, pm_message_t message)
+{
+ struct ttusbir *tt = usb_get_intfdata(intf);
+ int i;
+
+ for (i = 0; i < NUM_URBS; i++)
+ usb_kill_urb(tt->urb[i]);
+
+ led_classdev_suspend(&tt->led);
+ usb_kill_urb(tt->bulk_urb);
+
+ return 0;
+}
+
+static int ttusbir_resume(struct usb_interface *intf)
+{
+ struct ttusbir *tt = usb_get_intfdata(intf);
+ int i, rc;
+
+ tt->is_led_on = true;
+ led_classdev_resume(&tt->led);
+
+ for (i = 0; i < NUM_URBS; i++) {
+ rc = usb_submit_urb(tt->urb[i], GFP_NOIO);
+ if (rc) {
+ dev_warn(tt->dev, "failed to submit urb: %d\n", rc);
+ break;
+ }
+ }
+
+ return rc;
+}
+
+static const struct usb_device_id ttusbir_table[] = {
+ { USB_DEVICE(0x0b48, 0x2003) },
+ { }
+};
+
+static struct usb_driver ttusbir_driver = {
+ .name = DRIVER_NAME,
+ .id_table = ttusbir_table,
+ .probe = ttusbir_probe,
+ .suspend = ttusbir_suspend,
+ .resume = ttusbir_resume,
+ .reset_resume = ttusbir_resume,
+ .disconnect = ttusbir_disconnect,
+};
+
+module_usb_driver(ttusbir_driver);
+
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_AUTHOR("Sean Young <sean@mess.org>");
+MODULE_LICENSE("GPL");
+MODULE_DEVICE_TABLE(usb, ttusbir_table);
+