From 5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Tue, 21 Feb 2023 18:24:12 -0800 Subject: Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 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(). ... --- drivers/hid/hid-bigbenff.c | 442 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 442 insertions(+) create mode 100644 drivers/hid/hid-bigbenff.c (limited to 'drivers/hid/hid-bigbenff.c') diff --git a/drivers/hid/hid-bigbenff.c b/drivers/hid/hid-bigbenff.c new file mode 100644 index 000000000..e8b166658 --- /dev/null +++ b/drivers/hid/hid-bigbenff.c @@ -0,0 +1,442 @@ +// SPDX-License-Identifier: GPL-2.0+ + +/* + * LED & force feedback support for BigBen Interactive + * + * 0x146b:0x0902 "Bigben Interactive Bigben Game Pad" + * "Kid-friendly Wired Controller" PS3OFMINIPAD SONY + * sold for use with the PS3 + * + * Copyright (c) 2018 Hanno Zulla + */ + +#include +#include +#include +#include +#include + +#include "hid-ids.h" + + +/* + * The original descriptor for 0x146b:0x0902 + * + * 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) + * 0x09, 0x05, // Usage (Game Pad) + * 0xA1, 0x01, // Collection (Application) + * 0x15, 0x00, // Logical Minimum (0) + * 0x25, 0x01, // Logical Maximum (1) + * 0x35, 0x00, // Physical Minimum (0) + * 0x45, 0x01, // Physical Maximum (1) + * 0x75, 0x01, // Report Size (1) + * 0x95, 0x0D, // Report Count (13) + * 0x05, 0x09, // Usage Page (Button) + * 0x19, 0x01, // Usage Minimum (0x01) + * 0x29, 0x0D, // Usage Maximum (0x0D) + * 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) + * 0x95, 0x03, // Report Count (3) + * 0x81, 0x01, // Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position) + * 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) + * 0x25, 0x07, // Logical Maximum (7) + * 0x46, 0x3B, 0x01, // Physical Maximum (315) + * 0x75, 0x04, // Report Size (4) + * 0x95, 0x01, // Report Count (1) + * 0x65, 0x14, // Unit (System: English Rotation, Length: Centimeter) + * 0x09, 0x39, // Usage (Hat switch) + * 0x81, 0x42, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,Null State) + * 0x65, 0x00, // Unit (None) + * 0x95, 0x01, // Report Count (1) + * 0x81, 0x01, // Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position) + * 0x26, 0xFF, 0x00, // Logical Maximum (255) + * 0x46, 0xFF, 0x00, // Physical Maximum (255) + * 0x09, 0x30, // Usage (X) + * 0x09, 0x31, // Usage (Y) + * 0x09, 0x32, // Usage (Z) + * 0x09, 0x35, // Usage (Rz) + * 0x75, 0x08, // Report Size (8) + * 0x95, 0x04, // Report Count (4) + * 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) + * 0x06, 0x00, 0xFF, // Usage Page (Vendor Defined 0xFF00) + * 0x09, 0x20, // Usage (0x20) + * 0x09, 0x21, // Usage (0x21) + * 0x09, 0x22, // Usage (0x22) + * 0x09, 0x23, // Usage (0x23) + * 0x09, 0x24, // Usage (0x24) + * 0x09, 0x25, // Usage (0x25) + * 0x09, 0x26, // Usage (0x26) + * 0x09, 0x27, // Usage (0x27) + * 0x09, 0x28, // Usage (0x28) + * 0x09, 0x29, // Usage (0x29) + * 0x09, 0x2A, // Usage (0x2A) + * 0x09, 0x2B, // Usage (0x2B) + * 0x95, 0x0C, // Report Count (12) + * 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) + * 0x0A, 0x21, 0x26, // Usage (0x2621) + * 0x95, 0x08, // Report Count (8) + * 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) + * 0x0A, 0x21, 0x26, // Usage (0x2621) + * 0x91, 0x02, // Output (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) + * 0x26, 0xFF, 0x03, // Logical Maximum (1023) + * 0x46, 0xFF, 0x03, // Physical Maximum (1023) + * 0x09, 0x2C, // Usage (0x2C) + * 0x09, 0x2D, // Usage (0x2D) + * 0x09, 0x2E, // Usage (0x2E) + * 0x09, 0x2F, // Usage (0x2F) + * 0x75, 0x10, // Report Size (16) + * 0x95, 0x04, // Report Count (4) + * 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) + * 0xC0, // End Collection + */ + +#define PID0902_RDESC_ORIG_SIZE 137 + +/* + * The fixed descriptor for 0x146b:0x0902 + * + * - map buttons according to gamepad.rst + * - assign right stick from Z/Rz to Rx/Ry + * - map previously unused analog trigger data to Z/RZ + * - simplify feature and output descriptor + */ +static __u8 pid0902_rdesc_fixed[] = { + 0x05, 0x01, /* Usage Page (Generic Desktop Ctrls) */ + 0x09, 0x05, /* Usage (Game Pad) */ + 0xA1, 0x01, /* Collection (Application) */ + 0x15, 0x00, /* Logical Minimum (0) */ + 0x25, 0x01, /* Logical Maximum (1) */ + 0x35, 0x00, /* Physical Minimum (0) */ + 0x45, 0x01, /* Physical Maximum (1) */ + 0x75, 0x01, /* Report Size (1) */ + 0x95, 0x0D, /* Report Count (13) */ + 0x05, 0x09, /* Usage Page (Button) */ + 0x09, 0x05, /* Usage (BTN_WEST) */ + 0x09, 0x01, /* Usage (BTN_SOUTH) */ + 0x09, 0x02, /* Usage (BTN_EAST) */ + 0x09, 0x04, /* Usage (BTN_NORTH) */ + 0x09, 0x07, /* Usage (BTN_TL) */ + 0x09, 0x08, /* Usage (BTN_TR) */ + 0x09, 0x09, /* Usage (BTN_TL2) */ + 0x09, 0x0A, /* Usage (BTN_TR2) */ + 0x09, 0x0B, /* Usage (BTN_SELECT) */ + 0x09, 0x0C, /* Usage (BTN_START) */ + 0x09, 0x0E, /* Usage (BTN_THUMBL) */ + 0x09, 0x0F, /* Usage (BTN_THUMBR) */ + 0x09, 0x0D, /* Usage (BTN_MODE) */ + 0x81, 0x02, /* Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) */ + 0x75, 0x01, /* Report Size (1) */ + 0x95, 0x03, /* Report Count (3) */ + 0x81, 0x01, /* Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position) */ + 0x05, 0x01, /* Usage Page (Generic Desktop Ctrls) */ + 0x25, 0x07, /* Logical Maximum (7) */ + 0x46, 0x3B, 0x01, /* Physical Maximum (315) */ + 0x75, 0x04, /* Report Size (4) */ + 0x95, 0x01, /* Report Count (1) */ + 0x65, 0x14, /* Unit (System: English Rotation, Length: Centimeter) */ + 0x09, 0x39, /* Usage (Hat switch) */ + 0x81, 0x42, /* Input (Data,Var,Abs,No Wrap,Linear,Preferred State,Null State) */ + 0x65, 0x00, /* Unit (None) */ + 0x95, 0x01, /* Report Count (1) */ + 0x81, 0x01, /* Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position) */ + 0x26, 0xFF, 0x00, /* Logical Maximum (255) */ + 0x46, 0xFF, 0x00, /* Physical Maximum (255) */ + 0x09, 0x30, /* Usage (X) */ + 0x09, 0x31, /* Usage (Y) */ + 0x09, 0x33, /* Usage (Rx) */ + 0x09, 0x34, /* Usage (Ry) */ + 0x75, 0x08, /* Report Size (8) */ + 0x95, 0x04, /* Report Count (4) */ + 0x81, 0x02, /* Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) */ + 0x95, 0x0A, /* Report Count (10) */ + 0x81, 0x01, /* Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position) */ + 0x05, 0x01, /* Usage Page (Generic Desktop Ctrls) */ + 0x26, 0xFF, 0x00, /* Logical Maximum (255) */ + 0x46, 0xFF, 0x00, /* Physical Maximum (255) */ + 0x09, 0x32, /* Usage (Z) */ + 0x09, 0x35, /* Usage (Rz) */ + 0x95, 0x02, /* Report Count (2) */ + 0x81, 0x02, /* Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) */ + 0x95, 0x08, /* Report Count (8) */ + 0x81, 0x01, /* Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position) */ + 0x06, 0x00, 0xFF, /* Usage Page (Vendor Defined 0xFF00) */ + 0xB1, 0x02, /* Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) */ + 0x0A, 0x21, 0x26, /* Usage (0x2621) */ + 0x95, 0x08, /* Report Count (8) */ + 0x91, 0x02, /* Output (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) */ + 0x0A, 0x21, 0x26, /* Usage (0x2621) */ + 0x95, 0x08, /* Report Count (8) */ + 0x81, 0x02, /* Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) */ + 0xC0, /* End Collection */ +}; + +#define NUM_LEDS 4 + +struct bigben_device { + struct hid_device *hid; + struct hid_report *report; + bool removed; + u8 led_state; /* LED1 = 1 .. LED4 = 8 */ + u8 right_motor_on; /* right motor off/on 0/1 */ + u8 left_motor_force; /* left motor force 0-255 */ + struct led_classdev *leds[NUM_LEDS]; + bool work_led; + bool work_ff; + struct work_struct worker; +}; + + +static void bigben_worker(struct work_struct *work) +{ + struct bigben_device *bigben = container_of(work, + struct bigben_device, worker); + struct hid_field *report_field = bigben->report->field[0]; + + if (bigben->removed || !report_field) + return; + + if (bigben->work_led) { + bigben->work_led = false; + report_field->value[0] = 0x01; /* 1 = led message */ + report_field->value[1] = 0x08; /* reserved value, always 8 */ + report_field->value[2] = bigben->led_state; + report_field->value[3] = 0x00; /* padding */ + report_field->value[4] = 0x00; /* padding */ + report_field->value[5] = 0x00; /* padding */ + report_field->value[6] = 0x00; /* padding */ + report_field->value[7] = 0x00; /* padding */ + hid_hw_request(bigben->hid, bigben->report, HID_REQ_SET_REPORT); + } + + if (bigben->work_ff) { + bigben->work_ff = false; + report_field->value[0] = 0x02; /* 2 = rumble effect message */ + report_field->value[1] = 0x08; /* reserved value, always 8 */ + report_field->value[2] = bigben->right_motor_on; + report_field->value[3] = bigben->left_motor_force; + report_field->value[4] = 0xff; /* duration 0-254 (255 = nonstop) */ + report_field->value[5] = 0x00; /* padding */ + report_field->value[6] = 0x00; /* padding */ + report_field->value[7] = 0x00; /* padding */ + hid_hw_request(bigben->hid, bigben->report, HID_REQ_SET_REPORT); + } +} + +static int hid_bigben_play_effect(struct input_dev *dev, void *data, + struct ff_effect *effect) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct bigben_device *bigben = hid_get_drvdata(hid); + u8 right_motor_on; + u8 left_motor_force; + + if (!bigben) { + hid_err(hid, "no device data\n"); + return 0; + } + + if (effect->type != FF_RUMBLE) + return 0; + + right_motor_on = effect->u.rumble.weak_magnitude ? 1 : 0; + left_motor_force = effect->u.rumble.strong_magnitude / 256; + + if (right_motor_on != bigben->right_motor_on || + left_motor_force != bigben->left_motor_force) { + bigben->right_motor_on = right_motor_on; + bigben->left_motor_force = left_motor_force; + bigben->work_ff = true; + schedule_work(&bigben->worker); + } + + return 0; +} + +static void bigben_set_led(struct led_classdev *led, + enum led_brightness value) +{ + struct device *dev = led->dev->parent; + struct hid_device *hid = to_hid_device(dev); + struct bigben_device *bigben = hid_get_drvdata(hid); + int n; + bool work; + + if (!bigben) { + hid_err(hid, "no device data\n"); + return; + } + + for (n = 0; n < NUM_LEDS; n++) { + if (led == bigben->leds[n]) { + if (value == LED_OFF) { + work = (bigben->led_state & BIT(n)); + bigben->led_state &= ~BIT(n); + } else { + work = !(bigben->led_state & BIT(n)); + bigben->led_state |= BIT(n); + } + + if (work) { + bigben->work_led = true; + schedule_work(&bigben->worker); + } + return; + } + } +} + +static enum led_brightness bigben_get_led(struct led_classdev *led) +{ + struct device *dev = led->dev->parent; + struct hid_device *hid = to_hid_device(dev); + struct bigben_device *bigben = hid_get_drvdata(hid); + int n; + + if (!bigben) { + hid_err(hid, "no device data\n"); + return LED_OFF; + } + + for (n = 0; n < NUM_LEDS; n++) { + if (led == bigben->leds[n]) + return (bigben->led_state & BIT(n)) ? LED_ON : LED_OFF; + } + + return LED_OFF; +} + +static void bigben_remove(struct hid_device *hid) +{ + struct bigben_device *bigben = hid_get_drvdata(hid); + + bigben->removed = true; + cancel_work_sync(&bigben->worker); + hid_hw_stop(hid); +} + +static int bigben_probe(struct hid_device *hid, + const struct hid_device_id *id) +{ + struct bigben_device *bigben; + struct hid_input *hidinput; + struct list_head *report_list; + struct led_classdev *led; + char *name; + size_t name_sz; + int n, error; + + bigben = devm_kzalloc(&hid->dev, sizeof(*bigben), GFP_KERNEL); + if (!bigben) + return -ENOMEM; + hid_set_drvdata(hid, bigben); + bigben->hid = hid; + bigben->removed = false; + + error = hid_parse(hid); + if (error) { + hid_err(hid, "parse failed\n"); + return error; + } + + error = hid_hw_start(hid, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); + if (error) { + hid_err(hid, "hw start failed\n"); + return error; + } + + report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; + if (list_empty(report_list)) { + hid_err(hid, "no output report found\n"); + error = -ENODEV; + goto error_hw_stop; + } + bigben->report = list_entry(report_list->next, + struct hid_report, list); + + if (list_empty(&hid->inputs)) { + hid_err(hid, "no inputs found\n"); + error = -ENODEV; + goto error_hw_stop; + } + + hidinput = list_first_entry(&hid->inputs, struct hid_input, list); + set_bit(FF_RUMBLE, hidinput->input->ffbit); + + INIT_WORK(&bigben->worker, bigben_worker); + + error = input_ff_create_memless(hidinput->input, NULL, + hid_bigben_play_effect); + if (error) + goto error_hw_stop; + + name_sz = strlen(dev_name(&hid->dev)) + strlen(":red:bigben#") + 1; + + for (n = 0; n < NUM_LEDS; n++) { + led = devm_kzalloc( + &hid->dev, + sizeof(struct led_classdev) + name_sz, + GFP_KERNEL + ); + if (!led) { + error = -ENOMEM; + goto error_hw_stop; + } + name = (void *)(&led[1]); + snprintf(name, name_sz, + "%s:red:bigben%d", + dev_name(&hid->dev), n + 1 + ); + led->name = name; + led->brightness = (n == 0) ? LED_ON : LED_OFF; + led->max_brightness = 1; + led->brightness_get = bigben_get_led; + led->brightness_set = bigben_set_led; + bigben->leds[n] = led; + error = devm_led_classdev_register(&hid->dev, led); + if (error) + goto error_hw_stop; + } + + /* initial state: LED1 is on, no rumble effect */ + bigben->led_state = BIT(0); + bigben->right_motor_on = 0; + bigben->left_motor_force = 0; + bigben->work_led = true; + bigben->work_ff = true; + schedule_work(&bigben->worker); + + hid_info(hid, "LED and force feedback support for BigBen gamepad\n"); + + return 0; + +error_hw_stop: + hid_hw_stop(hid); + return error; +} + +static __u8 *bigben_report_fixup(struct hid_device *hid, __u8 *rdesc, + unsigned int *rsize) +{ + if (*rsize == PID0902_RDESC_ORIG_SIZE) { + rdesc = pid0902_rdesc_fixed; + *rsize = sizeof(pid0902_rdesc_fixed); + } else + hid_warn(hid, "unexpected rdesc, please submit for review\n"); + return rdesc; +} + +static const struct hid_device_id bigben_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_BIGBEN, USB_DEVICE_ID_BIGBEN_PS3OFMINIPAD) }, + { } +}; +MODULE_DEVICE_TABLE(hid, bigben_devices); + +static struct hid_driver bigben_driver = { + .name = "bigben", + .id_table = bigben_devices, + .probe = bigben_probe, + .report_fixup = bigben_report_fixup, + .remove = bigben_remove, +}; +module_hid_driver(bigben_driver); + +MODULE_LICENSE("GPL"); -- cgit v1.2.3