From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/input/joystick/iforce/iforce-main.c | 399 ++++++++++++++++++++++++++++ 1 file changed, 399 insertions(+) create mode 100644 drivers/input/joystick/iforce/iforce-main.c (limited to 'drivers/input/joystick/iforce/iforce-main.c') diff --git a/drivers/input/joystick/iforce/iforce-main.c b/drivers/input/joystick/iforce/iforce-main.c new file mode 100644 index 000000000..84b87526b --- /dev/null +++ b/drivers/input/joystick/iforce/iforce-main.c @@ -0,0 +1,399 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2000-2002 Vojtech Pavlik + * Copyright (c) 2001-2002, 2007 Johann Deneux + * + * USB/RS232 I-Force joysticks and wheels. + */ + +#include +#include "iforce.h" + +MODULE_AUTHOR("Vojtech Pavlik , Johann Deneux "); +MODULE_DESCRIPTION("Core I-Force joysticks and wheels driver"); +MODULE_LICENSE("GPL"); + +static signed short btn_joystick[] = +{ BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE, + BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_BASE5, BTN_A, + BTN_B, BTN_C, BTN_DEAD, -1 }; + +static signed short btn_joystick_avb[] = +{ BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE, + BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_DEAD, -1 }; + +static signed short btn_wheel[] = +{ BTN_GEAR_DOWN, BTN_GEAR_UP, BTN_BASE, BTN_BASE2, BTN_BASE3, + BTN_BASE4, BTN_BASE5, BTN_BASE6, -1 }; + +static signed short abs_joystick[] = +{ ABS_X, ABS_Y, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y, -1 }; + +static signed short abs_joystick_rudder[] = +{ ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_HAT0X, ABS_HAT0Y, -1 }; + +static signed short abs_avb_pegasus[] = +{ ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_HAT0X, ABS_HAT0Y, + ABS_HAT1X, ABS_HAT1Y, -1 }; + +static signed short abs_wheel[] = +{ ABS_WHEEL, ABS_GAS, ABS_BRAKE, ABS_HAT0X, ABS_HAT0Y, -1 }; + +static signed short ff_iforce[] = +{ FF_PERIODIC, FF_CONSTANT, FF_SPRING, FF_DAMPER, + FF_SQUARE, FF_TRIANGLE, FF_SINE, FF_SAW_UP, FF_SAW_DOWN, FF_GAIN, + FF_AUTOCENTER, -1 }; + +static struct iforce_device iforce_device[] = { + { 0x044f, 0xa01c, "Thrustmaster Motor Sport GT", btn_wheel, abs_wheel, ff_iforce }, + { 0x046d, 0xc281, "Logitech WingMan Force", btn_joystick, abs_joystick, ff_iforce }, + { 0x046d, 0xc291, "Logitech WingMan Formula Force", btn_wheel, abs_wheel, ff_iforce }, + { 0x05ef, 0x020a, "AVB Top Shot Pegasus", btn_joystick_avb, abs_avb_pegasus, ff_iforce }, + { 0x05ef, 0x8884, "AVB Mag Turbo Force", btn_wheel, abs_wheel, ff_iforce }, + { 0x05ef, 0x8886, "Boeder Force Feedback Wheel", btn_wheel, abs_wheel, ff_iforce }, + { 0x05ef, 0x8888, "AVB Top Shot Force Feedback Racing Wheel", btn_wheel, abs_wheel, ff_iforce }, //? + { 0x061c, 0xc0a4, "ACT LABS Force RS", btn_wheel, abs_wheel, ff_iforce }, //? + { 0x061c, 0xc084, "ACT LABS Force RS", btn_wheel, abs_wheel, ff_iforce }, + { 0x06a3, 0xff04, "Saitek R440 Force Wheel", btn_wheel, abs_wheel, ff_iforce }, //? + { 0x06f8, 0x0001, "Guillemot Race Leader Force Feedback", btn_wheel, abs_wheel, ff_iforce }, //? + { 0x06f8, 0x0001, "Guillemot Jet Leader Force Feedback", btn_joystick, abs_joystick_rudder, ff_iforce }, + { 0x06f8, 0x0004, "Guillemot Force Feedback Racing Wheel", btn_wheel, abs_wheel, ff_iforce }, //? + { 0x06f8, 0xa302, "Guillemot Jet Leader 3D", btn_joystick, abs_joystick, ff_iforce }, //? + { 0x06d6, 0x29bc, "Trust Force Feedback Race Master", btn_wheel, abs_wheel, ff_iforce }, + { 0x0000, 0x0000, "Unknown I-Force Device [%04x:%04x]", btn_joystick, abs_joystick, ff_iforce } +}; + +static int iforce_playback(struct input_dev *dev, int effect_id, int value) +{ + struct iforce *iforce = input_get_drvdata(dev); + struct iforce_core_effect *core_effect = &iforce->core_effects[effect_id]; + + if (value > 0) + set_bit(FF_CORE_SHOULD_PLAY, core_effect->flags); + else + clear_bit(FF_CORE_SHOULD_PLAY, core_effect->flags); + + iforce_control_playback(iforce, effect_id, value); + return 0; +} + +static void iforce_set_gain(struct input_dev *dev, u16 gain) +{ + struct iforce *iforce = input_get_drvdata(dev); + unsigned char data[3]; + + data[0] = gain >> 9; + iforce_send_packet(iforce, FF_CMD_GAIN, data); +} + +static void iforce_set_autocenter(struct input_dev *dev, u16 magnitude) +{ + struct iforce *iforce = input_get_drvdata(dev); + unsigned char data[3]; + + data[0] = 0x03; + data[1] = magnitude >> 9; + iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data); + + data[0] = 0x04; + data[1] = 0x01; + iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data); +} + +/* + * Function called when an ioctl is performed on the event dev entry. + * It uploads an effect to the device + */ +static int iforce_upload_effect(struct input_dev *dev, struct ff_effect *effect, struct ff_effect *old) +{ + struct iforce *iforce = input_get_drvdata(dev); + struct iforce_core_effect *core_effect = &iforce->core_effects[effect->id]; + int ret; + + if (__test_and_set_bit(FF_CORE_IS_USED, core_effect->flags)) { + /* Check the effect is not already being updated */ + if (test_bit(FF_CORE_UPDATE, core_effect->flags)) + return -EAGAIN; + } + +/* + * Upload the effect + */ + switch (effect->type) { + case FF_PERIODIC: + ret = iforce_upload_periodic(iforce, effect, old); + break; + + case FF_CONSTANT: + ret = iforce_upload_constant(iforce, effect, old); + break; + + case FF_SPRING: + case FF_DAMPER: + ret = iforce_upload_condition(iforce, effect, old); + break; + + default: + return -EINVAL; + } + + if (ret == 0) { + /* A packet was sent, forbid new updates until we are notified + * that the packet was updated + */ + set_bit(FF_CORE_UPDATE, core_effect->flags); + } + return ret; +} + +/* + * Erases an effect: it frees the effect id and mark as unused the memory + * allocated for the parameters + */ +static int iforce_erase_effect(struct input_dev *dev, int effect_id) +{ + struct iforce *iforce = input_get_drvdata(dev); + struct iforce_core_effect *core_effect = &iforce->core_effects[effect_id]; + int err = 0; + + if (test_bit(FF_MOD1_IS_USED, core_effect->flags)) + err = release_resource(&core_effect->mod1_chunk); + + if (!err && test_bit(FF_MOD2_IS_USED, core_effect->flags)) + err = release_resource(&core_effect->mod2_chunk); + + /* TODO: remember to change that if more FF_MOD* bits are added */ + core_effect->flags[0] = 0; + + return err; +} + +static int iforce_open(struct input_dev *dev) +{ + struct iforce *iforce = input_get_drvdata(dev); + + iforce->xport_ops->start_io(iforce); + + if (test_bit(EV_FF, dev->evbit)) { + /* Enable force feedback */ + iforce_send_packet(iforce, FF_CMD_ENABLE, "\004"); + } + + return 0; +} + +static void iforce_close(struct input_dev *dev) +{ + struct iforce *iforce = input_get_drvdata(dev); + int i; + + if (test_bit(EV_FF, dev->evbit)) { + /* Check: no effects should be present in memory */ + for (i = 0; i < dev->ff->max_effects; i++) { + if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags)) { + dev_warn(&dev->dev, + "%s: Device still owns effects\n", + __func__); + break; + } + } + + /* Disable force feedback playback */ + iforce_send_packet(iforce, FF_CMD_ENABLE, "\001"); + /* Wait for the command to complete */ + wait_event_interruptible(iforce->wait, + !test_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags)); + } + + iforce->xport_ops->stop_io(iforce); +} + +int iforce_init_device(struct device *parent, u16 bustype, + struct iforce *iforce) +{ + struct input_dev *input_dev; + struct ff_device *ff; + u8 c[] = "CEOV"; + u8 buf[IFORCE_MAX_LENGTH]; + size_t len; + int i, error; + int ff_effects = 0; + + input_dev = input_allocate_device(); + if (!input_dev) + return -ENOMEM; + + init_waitqueue_head(&iforce->wait); + spin_lock_init(&iforce->xmit_lock); + mutex_init(&iforce->mem_mutex); + iforce->xmit.buf = iforce->xmit_data; + iforce->dev = input_dev; + +/* + * Input device fields. + */ + + input_dev->id.bustype = bustype; + input_dev->dev.parent = parent; + + input_set_drvdata(input_dev, iforce); + + input_dev->name = "Unknown I-Force device"; + input_dev->open = iforce_open; + input_dev->close = iforce_close; + +/* + * On-device memory allocation. + */ + + iforce->device_memory.name = "I-Force device effect memory"; + iforce->device_memory.start = 0; + iforce->device_memory.end = 200; + iforce->device_memory.flags = IORESOURCE_MEM; + iforce->device_memory.parent = NULL; + iforce->device_memory.child = NULL; + iforce->device_memory.sibling = NULL; + +/* + * Wait until device ready - until it sends its first response. + */ + + for (i = 0; i < 20; i++) + if (!iforce_get_id_packet(iforce, 'O', buf, &len)) + break; + + if (i == 20) { /* 5 seconds */ + dev_err(&input_dev->dev, + "Timeout waiting for response from device.\n"); + error = -ENODEV; + goto fail; + } + +/* + * Get device info. + */ + + if (!iforce_get_id_packet(iforce, 'M', buf, &len) && len >= 3) + input_dev->id.vendor = get_unaligned_le16(buf + 1); + else + dev_warn(&iforce->dev->dev, "Device does not respond to id packet M\n"); + + if (!iforce_get_id_packet(iforce, 'P', buf, &len) && len >= 3) + input_dev->id.product = get_unaligned_le16(buf + 1); + else + dev_warn(&iforce->dev->dev, "Device does not respond to id packet P\n"); + + if (!iforce_get_id_packet(iforce, 'B', buf, &len) && len >= 3) + iforce->device_memory.end = get_unaligned_le16(buf + 1); + else + dev_warn(&iforce->dev->dev, "Device does not respond to id packet B\n"); + + if (!iforce_get_id_packet(iforce, 'N', buf, &len) && len >= 2) + ff_effects = buf[1]; + else + dev_warn(&iforce->dev->dev, "Device does not respond to id packet N\n"); + + /* Check if the device can store more effects than the driver can really handle */ + if (ff_effects > IFORCE_EFFECTS_MAX) { + dev_warn(&iforce->dev->dev, "Limiting number of effects to %d (device reports %d)\n", + IFORCE_EFFECTS_MAX, ff_effects); + ff_effects = IFORCE_EFFECTS_MAX; + } + +/* + * Display additional info. + */ + + for (i = 0; c[i]; i++) + if (!iforce_get_id_packet(iforce, c[i], buf, &len)) + iforce_dump_packet(iforce, "info", + (FF_CMD_QUERY & 0xff00) | len, buf); + +/* + * Disable spring, enable force feedback. + */ + iforce_set_autocenter(input_dev, 0); + +/* + * Find appropriate device entry + */ + + for (i = 0; iforce_device[i].idvendor; i++) + if (iforce_device[i].idvendor == input_dev->id.vendor && + iforce_device[i].idproduct == input_dev->id.product) + break; + + iforce->type = iforce_device + i; + input_dev->name = iforce->type->name; + +/* + * Set input device bitfields and ranges. + */ + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) | + BIT_MASK(EV_FF_STATUS); + + for (i = 0; iforce->type->btn[i] >= 0; i++) + set_bit(iforce->type->btn[i], input_dev->keybit); + + for (i = 0; iforce->type->abs[i] >= 0; i++) { + + signed short t = iforce->type->abs[i]; + + switch (t) { + case ABS_X: + case ABS_Y: + case ABS_WHEEL: + input_set_abs_params(input_dev, t, -1920, 1920, 16, 128); + set_bit(t, input_dev->ffbit); + break; + + case ABS_THROTTLE: + case ABS_GAS: + case ABS_BRAKE: + input_set_abs_params(input_dev, t, 0, 255, 0, 0); + break; + + case ABS_RUDDER: + input_set_abs_params(input_dev, t, -128, 127, 0, 0); + break; + + case ABS_HAT0X: + case ABS_HAT0Y: + case ABS_HAT1X: + case ABS_HAT1Y: + input_set_abs_params(input_dev, t, -1, 1, 0, 0); + break; + } + } + + if (ff_effects) { + + for (i = 0; iforce->type->ff[i] >= 0; i++) + set_bit(iforce->type->ff[i], input_dev->ffbit); + + error = input_ff_create(input_dev, ff_effects); + if (error) + goto fail; + + ff = input_dev->ff; + ff->upload = iforce_upload_effect; + ff->erase = iforce_erase_effect; + ff->set_gain = iforce_set_gain; + ff->set_autocenter = iforce_set_autocenter; + ff->playback = iforce_playback; + } +/* + * Register input device. + */ + + error = input_register_device(iforce->dev); + if (error) + goto fail; + + return 0; + + fail: input_free_device(input_dev); + return error; +} +EXPORT_SYMBOL(iforce_init_device); -- cgit v1.2.3