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/input/mouse/logips2pp.c | 444 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 444 insertions(+) create mode 100644 drivers/input/mouse/logips2pp.c (limited to 'drivers/input/mouse/logips2pp.c') diff --git a/drivers/input/mouse/logips2pp.c b/drivers/input/mouse/logips2pp.c new file mode 100644 index 000000000..ed5a848db --- /dev/null +++ b/drivers/input/mouse/logips2pp.c @@ -0,0 +1,444 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Logitech PS/2++ mouse driver + * + * Copyright (c) 1999-2003 Vojtech Pavlik + * Copyright (c) 2003 Eric Wong + */ + +#include +#include +#include +#include +#include +#include "psmouse.h" +#include "logips2pp.h" + +/* Logitech mouse types */ +#define PS2PP_KIND_WHEEL 1 +#define PS2PP_KIND_MX 2 +#define PS2PP_KIND_TP3 3 +#define PS2PP_KIND_TRACKMAN 4 + +/* Logitech mouse features */ +#define PS2PP_WHEEL BIT(0) +#define PS2PP_HWHEEL BIT(1) +#define PS2PP_SIDE_BTN BIT(2) +#define PS2PP_EXTRA_BTN BIT(3) +#define PS2PP_TASK_BTN BIT(4) +#define PS2PP_NAV_BTN BIT(5) + +struct ps2pp_info { + u8 model; + u8 kind; + u16 features; +}; + +/* + * Process a PS2++ or PS2T++ packet. + */ + +static psmouse_ret_t ps2pp_process_byte(struct psmouse *psmouse) +{ + struct input_dev *dev = psmouse->dev; + u8 *packet = psmouse->packet; + + if (psmouse->pktcnt < 3) + return PSMOUSE_GOOD_DATA; + +/* + * Full packet accumulated, process it + */ + + if ((packet[0] & 0x48) == 0x48 && (packet[1] & 0x02) == 0x02) { + + /* Logitech extended packet */ + switch ((packet[1] >> 4) | (packet[0] & 0x30)) { + + case 0x0d: /* Mouse extra info */ + + input_report_rel(dev, + packet[2] & 0x80 ? REL_HWHEEL : REL_WHEEL, + -sign_extend32(packet[2], 3)); + input_report_key(dev, BTN_SIDE, packet[2] & BIT(4)); + input_report_key(dev, BTN_EXTRA, packet[2] & BIT(5)); + + break; + + case 0x0e: /* buttons 4, 5, 6, 7, 8, 9, 10 info */ + + input_report_key(dev, BTN_SIDE, packet[2] & BIT(0)); + input_report_key(dev, BTN_EXTRA, packet[2] & BIT(1)); + input_report_key(dev, BTN_TASK, packet[2] & BIT(2)); + input_report_key(dev, BTN_BACK, packet[2] & BIT(3)); + input_report_key(dev, BTN_FORWARD, packet[2] & BIT(4)); + + break; + + case 0x0f: /* TouchPad extra info */ + + input_report_rel(dev, + packet[2] & 0x08 ? REL_HWHEEL : REL_WHEEL, + -sign_extend32(packet[2] >> 4, 3)); + packet[0] = packet[2] | BIT(3); + break; + + default: + psmouse_dbg(psmouse, + "Received PS2++ packet #%x, but don't know how to handle.\n", + (packet[1] >> 4) | (packet[0] & 0x30)); + break; + } + + psmouse_report_standard_buttons(dev, packet[0]); + + } else { + /* Standard PS/2 motion data */ + psmouse_report_standard_packet(dev, packet); + } + + input_sync(dev); + + return PSMOUSE_FULL_PACKET; + +} + +/* + * ps2pp_cmd() sends a PS2++ command, sliced into two bit + * pieces through the SETRES command. This is needed to send extended + * commands to mice on notebooks that try to understand the PS/2 protocol + * Ugly. + */ + +static int ps2pp_cmd(struct psmouse *psmouse, u8 *param, u8 command) +{ + int error; + + error = ps2_sliced_command(&psmouse->ps2dev, command); + if (error) + return error; + + error = ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_POLL | 0x0300); + if (error) + return error; + + return 0; +} + +/* + * SmartScroll / CruiseControl for some newer Logitech mice Defaults to + * enabled if we do nothing to it. Of course I put this in because I want it + * disabled :P + * 1 - enabled (if previously disabled, also default) + * 0 - disabled + */ + +static void ps2pp_set_smartscroll(struct psmouse *psmouse, bool smartscroll) +{ + struct ps2dev *ps2dev = &psmouse->ps2dev; + u8 param[4]; + + ps2pp_cmd(psmouse, param, 0x32); + + param[0] = 0; + ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); + ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); + ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); + + param[0] = smartscroll; + ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); +} + +static ssize_t ps2pp_attr_show_smartscroll(struct psmouse *psmouse, + void *data, char *buf) +{ + return sprintf(buf, "%d\n", psmouse->smartscroll); +} + +static ssize_t ps2pp_attr_set_smartscroll(struct psmouse *psmouse, void *data, + const char *buf, size_t count) +{ + unsigned int value; + int err; + + err = kstrtouint(buf, 10, &value); + if (err) + return err; + + if (value > 1) + return -EINVAL; + + ps2pp_set_smartscroll(psmouse, value); + psmouse->smartscroll = value; + return count; +} + +PSMOUSE_DEFINE_ATTR(smartscroll, S_IWUSR | S_IRUGO, NULL, + ps2pp_attr_show_smartscroll, ps2pp_attr_set_smartscroll); + +/* + * Support 800 dpi resolution _only_ if the user wants it (there are good + * reasons to not use it even if the mouse supports it, and of course there are + * also good reasons to use it, let the user decide). + */ + +static void ps2pp_set_resolution(struct psmouse *psmouse, + unsigned int resolution) +{ + if (resolution > 400) { + struct ps2dev *ps2dev = &psmouse->ps2dev; + u8 param = 3; + + ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11); + ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11); + ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11); + ps2_command(ps2dev, ¶m, PSMOUSE_CMD_SETRES); + psmouse->resolution = 800; + } else + psmouse_set_resolution(psmouse, resolution); +} + +static void ps2pp_disconnect(struct psmouse *psmouse) +{ + device_remove_file(&psmouse->ps2dev.serio->dev, + &psmouse_attr_smartscroll.dattr); +} + +static const struct ps2pp_info *get_model_info(unsigned char model) +{ + static const struct ps2pp_info ps2pp_list[] = { + { 1, 0, 0 }, /* Simple 2-button mouse */ + { 12, 0, PS2PP_SIDE_BTN}, + { 13, 0, 0 }, + { 15, PS2PP_KIND_MX, /* MX1000 */ + PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN | + PS2PP_EXTRA_BTN | PS2PP_NAV_BTN | PS2PP_HWHEEL }, + { 40, 0, PS2PP_SIDE_BTN }, + { 41, 0, PS2PP_SIDE_BTN }, + { 42, 0, PS2PP_SIDE_BTN }, + { 43, 0, PS2PP_SIDE_BTN }, + { 50, 0, 0 }, + { 51, 0, 0 }, + { 52, PS2PP_KIND_WHEEL, PS2PP_SIDE_BTN | PS2PP_WHEEL }, + { 53, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, + { 56, PS2PP_KIND_WHEEL, PS2PP_SIDE_BTN | PS2PP_WHEEL }, /* Cordless MouseMan Wheel */ + { 61, PS2PP_KIND_MX, /* MX700 */ + PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN | + PS2PP_EXTRA_BTN | PS2PP_NAV_BTN }, + { 66, PS2PP_KIND_MX, /* MX3100 receiver */ + PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN | + PS2PP_EXTRA_BTN | PS2PP_NAV_BTN | PS2PP_HWHEEL }, + { 72, PS2PP_KIND_TRACKMAN, 0 }, /* T-CH11: TrackMan Marble */ + { 73, PS2PP_KIND_TRACKMAN, PS2PP_SIDE_BTN }, /* TrackMan FX */ + { 75, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, + { 76, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, + { 79, PS2PP_KIND_TRACKMAN, PS2PP_WHEEL }, /* TrackMan with wheel */ + { 80, PS2PP_KIND_WHEEL, PS2PP_SIDE_BTN | PS2PP_WHEEL }, + { 81, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, + { 83, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, + { 85, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, + { 86, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, + { 87, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, + { 88, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, + { 96, 0, 0 }, + { 97, PS2PP_KIND_TP3, PS2PP_WHEEL | PS2PP_HWHEEL }, + { 99, PS2PP_KIND_WHEEL, PS2PP_WHEEL }, + { 100, PS2PP_KIND_MX, /* MX510 */ + PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN | + PS2PP_EXTRA_BTN | PS2PP_NAV_BTN }, + { 111, PS2PP_KIND_MX, PS2PP_WHEEL | PS2PP_SIDE_BTN }, /* MX300 reports task button as side */ + { 112, PS2PP_KIND_MX, /* MX500 */ + PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN | + PS2PP_EXTRA_BTN | PS2PP_NAV_BTN }, + { 114, PS2PP_KIND_MX, /* MX310 */ + PS2PP_WHEEL | PS2PP_SIDE_BTN | + PS2PP_TASK_BTN | PS2PP_EXTRA_BTN } + }; + int i; + + for (i = 0; i < ARRAY_SIZE(ps2pp_list); i++) + if (model == ps2pp_list[i].model) + return &ps2pp_list[i]; + + return NULL; +} + +/* + * Set up input device's properties based on the detected mouse model. + */ + +static void ps2pp_set_model_properties(struct psmouse *psmouse, + const struct ps2pp_info *model_info, + bool using_ps2pp) +{ + struct input_dev *input_dev = psmouse->dev; + + if (model_info->features & PS2PP_SIDE_BTN) + input_set_capability(input_dev, EV_KEY, BTN_SIDE); + + if (model_info->features & PS2PP_EXTRA_BTN) + input_set_capability(input_dev, EV_KEY, BTN_EXTRA); + + if (model_info->features & PS2PP_TASK_BTN) + input_set_capability(input_dev, EV_KEY, BTN_TASK); + + if (model_info->features & PS2PP_NAV_BTN) { + input_set_capability(input_dev, EV_KEY, BTN_FORWARD); + input_set_capability(input_dev, EV_KEY, BTN_BACK); + } + + if (model_info->features & PS2PP_WHEEL) + input_set_capability(input_dev, EV_REL, REL_WHEEL); + + if (model_info->features & PS2PP_HWHEEL) + input_set_capability(input_dev, EV_REL, REL_HWHEEL); + + switch (model_info->kind) { + + case PS2PP_KIND_WHEEL: + psmouse->name = "Wheel Mouse"; + break; + + case PS2PP_KIND_MX: + psmouse->name = "MX Mouse"; + break; + + case PS2PP_KIND_TP3: + psmouse->name = "TouchPad 3"; + break; + + case PS2PP_KIND_TRACKMAN: + psmouse->name = "TrackMan"; + break; + + default: + /* + * Set name to "Mouse" only when using PS2++, + * otherwise let other protocols define suitable + * name + */ + if (using_ps2pp) + psmouse->name = "Mouse"; + break; + } +} + +static int ps2pp_setup_protocol(struct psmouse *psmouse, + const struct ps2pp_info *model_info) +{ + int error; + + psmouse->protocol_handler = ps2pp_process_byte; + psmouse->pktsize = 3; + + if (model_info->kind != PS2PP_KIND_TP3) { + psmouse->set_resolution = ps2pp_set_resolution; + psmouse->disconnect = ps2pp_disconnect; + + error = device_create_file(&psmouse->ps2dev.serio->dev, + &psmouse_attr_smartscroll.dattr); + if (error) { + psmouse_err(psmouse, + "failed to create smartscroll sysfs attribute, error: %d\n", + error); + return error; + } + } + + return 0; +} + +/* + * Logitech magic init. Detect whether the mouse is a Logitech one + * and its exact model and try turning on extended protocol for ones + * that support it. + */ + +int ps2pp_detect(struct psmouse *psmouse, bool set_properties) +{ + struct ps2dev *ps2dev = &psmouse->ps2dev; + const struct ps2pp_info *model_info; + u8 param[4]; + u8 model, buttons; + bool use_ps2pp = false; + int error; + + param[0] = 0; + ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); + ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11); + ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11); + ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11); + param[1] = 0; + ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO); + + model = ((param[0] >> 4) & 0x07) | ((param[0] << 3) & 0x78); + buttons = param[1]; + + if (!model || !buttons) + return -ENXIO; + + model_info = get_model_info(model); + if (model_info) { + +/* + * Do Logitech PS2++ / PS2T++ magic init. + */ + if (model_info->kind == PS2PP_KIND_TP3) { /* Touch Pad 3 */ + + /* Unprotect RAM */ + param[0] = 0x11; param[1] = 0x04; param[2] = 0x68; + ps2_command(ps2dev, param, 0x30d1); + /* Enable features */ + param[0] = 0x11; param[1] = 0x05; param[2] = 0x0b; + ps2_command(ps2dev, param, 0x30d1); + /* Enable PS2++ */ + param[0] = 0x11; param[1] = 0x09; param[2] = 0xc3; + ps2_command(ps2dev, param, 0x30d1); + + param[0] = 0; + if (!ps2_command(ps2dev, param, 0x13d1) && + param[0] == 0x06 && param[1] == 0x00 && + param[2] == 0x14) { + use_ps2pp = true; + } + + } else { + + param[0] = param[1] = param[2] = 0; + ps2pp_cmd(psmouse, param, 0x39); /* Magic knock */ + ps2pp_cmd(psmouse, param, 0xDB); + + if ((param[0] & 0x78) == 0x48 && + (param[1] & 0xf3) == 0xc2 && + (param[2] & 0x03) == ((param[1] >> 2) & 3)) { + ps2pp_set_smartscroll(psmouse, false); + use_ps2pp = true; + } + } + + } else { + psmouse_warn(psmouse, + "Detected unknown Logitech mouse model %d\n", + model); + } + + if (set_properties) { + psmouse->vendor = "Logitech"; + psmouse->model = model; + + if (use_ps2pp) { + error = ps2pp_setup_protocol(psmouse, model_info); + if (error) + return error; + } + + if (buttons >= 3) + input_set_capability(psmouse->dev, EV_KEY, BTN_MIDDLE); + + if (model_info) + ps2pp_set_model_properties(psmouse, model_info, use_ps2pp); + } + + return use_ps2pp ? 0 : -ENXIO; +} + -- cgit v1.2.3