diff options
Diffstat (limited to 'drivers/hid')
40 files changed, 12522 insertions, 0 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig new file mode 100644 index 0000000..b4fd8ca --- /dev/null +++ b/drivers/hid/Kconfig @@ -0,0 +1,265 @@ +# +# HID driver configuration +# +menuconfig HID_SUPPORT + bool "HID Devices" + depends on INPUT + default y + ---help--- + Say Y here to get to see options for various computer-human interface + device drivers. This option alone does not add any kernel code. + + If you say N, all options in this submenu will be skipped and disabled. + +if HID_SUPPORT + +config HID + tristate "Generic HID support" + depends on INPUT + default y + ---help--- + A human interface device (HID) is a type of computer device that + interacts directly with and takes input from humans. The term "HID" + most commonly used to refer to the USB-HID specification, but other + devices (such as, but not strictly limited to, Bluetooth) are + designed using HID specification (this involves certain keyboards, + mice, tablets, etc). This option compiles into kernel the generic + HID layer code (parser, usages, etc.), which can then be used by + transport-specific HID implementation (like USB or Bluetooth). + + For docs and specs, see http://www.usb.org/developers/hidpage/ + + If unsure, say Y + +config HID_DEBUG + bool "HID debugging support" + default y if !EMBEDDED + depends on HID + ---help--- + This option lets the HID layer output diagnostics about its internal + state, resolve HID usages, dump HID fields, etc. Individual HID drivers + use this debugging facility to output information about individual HID + devices, etc. + + This feature is useful for those who are either debugging the HID parser + or any HID hardware device. + + If unsure, say N + +config HIDRAW + bool "/dev/hidraw raw HID device support" + depends on HID + ---help--- + Say Y here if you want to support HID devices (from the USB + specification standpoint) that aren't strictly user interface + devices, like monitor controls and Uninterruptable Power Supplies. + + This module supports these devices separately using a separate + event interface on /dev/hidraw. + + There is also a /dev/hiddev configuration option in the USB HID + configuration menu. In comparison to hiddev, this device does not process + the hid events at all (no parsing, no lookups). This lets applications + to work on raw hid events when they want to, and avoid using transport-specific + userspace libhid/libusb libraries. + + If unsure, say Y. + +source "drivers/hid/usbhid/Kconfig" + +menu "Special HID drivers" + depends on HID + +config HID_COMPAT + bool "Load all HID drivers on hid core load" + default y + ---help--- + Compatible option for older userspace. If you have system without udev + support of module loading through aliases and also old + module-init-tools which can't handle hid bus, choose Y here. Otherwise + say N. If you say N and your userspace is old enough, the only + functionality you lose is modules autoloading. + + If unsure, say Y. + +config HID_A4TECH + tristate "A4 tech" if EMBEDDED + depends on USB_HID + default y + ---help--- + Support for A4 tech X5 and WOP-35 / Trust 450L mice. + +config HID_APPLE + tristate "Apple" if EMBEDDED + depends on (USB_HID || BT_HIDP) + default y + ---help--- + Support for some Apple devices which less or more break + HID specification. + + Say Y here if you want support for keyboards of Apple iBooks, PowerBooks, + MacBooks, MacBook Pros and Apple Aluminum. + +config HID_BELKIN + tristate "Belkin" if EMBEDDED + depends on USB_HID + default y + ---help--- + Support for Belkin Flip KVM and Wireless keyboard. + +config HID_BRIGHT + tristate "Bright" if EMBEDDED + depends on USB_HID + default y + ---help--- + Support for Bright ABNT-2 keyboard. + +config HID_CHERRY + tristate "Cherry" if EMBEDDED + depends on USB_HID + default y + ---help--- + Support for Cherry Cymotion keyboard. + +config HID_CHICONY + tristate "Chicony" if EMBEDDED + depends on USB_HID + default y + ---help--- + Support for Chicony Tactical pad. + +config HID_CYPRESS + tristate "Cypress" if EMBEDDED + depends on USB_HID + default y + ---help--- + Support for cypress mouse and barcode readers. + +config HID_DELL + tristate "Dell" if EMBEDDED + depends on USB_HID + default y + ---help--- + Support for quirky Dell HID hardware that require + special LED handling (W7658 and SK8115 models) + +config HID_EZKEY + tristate "Ezkey" if EMBEDDED + depends on USB_HID + default y + ---help--- + Support for Ezkey BTC 8193 keyboard. + +config HID_GYRATION + tristate "Gyration" if EMBEDDED + depends on USB_HID + default y + ---help--- + Support for Gyration remote control. + +config HID_LOGITECH + tristate "Logitech" if EMBEDDED + depends on USB_HID + default y + ---help--- + Support for Logitech devices that are not fully compliant with HID standard. + +config LOGITECH_FF + bool "Logitech force feedback" + depends on HID_LOGITECH + select INPUT_FF_MEMLESS + help + Say Y here if you have one of these devices: + - Logitech WingMan Cordless RumblePad + - Logitech WingMan Cordless RumblePad 2 + - Logitech WingMan Force 3D + - Logitech Formula Force EX + - Logitech MOMO Force wheel + + and if you want to enable force feedback for them. + Note: if you say N here, this device will still be supported, but without + force feedback. + +config LOGIRUMBLEPAD2_FF + bool "Logitech Rumblepad 2 force feedback" + depends on HID_LOGITECH + select INPUT_FF_MEMLESS + help + Say Y here if you want to enable force feedback support for Logitech + Rumblepad 2 devices. + +config HID_MICROSOFT + tristate "Microsoft" if EMBEDDED + depends on USB_HID + default y + ---help--- + Support for Microsoft devices that are not fully compliant with HID standard. + +config HID_MONTEREY + tristate "Monterey" if EMBEDDED + depends on USB_HID + default y + ---help--- + Support for Monterey Genius KB29E. + +config HID_PANTHERLORD + tristate "Pantherlord devices support" if EMBEDDED + depends on USB_HID + default y + ---help--- + Support for PantherLord/GreenAsia based device support. + +config PANTHERLORD_FF + bool "Pantherlord force feedback support" + depends on HID_PANTHERLORD + select INPUT_FF_MEMLESS + help + Say Y here if you have a PantherLord/GreenAsia based game controller + or adapter and want to enable force feedback support for it. + +config HID_PETALYNX + tristate "Petalynx" if EMBEDDED + depends on USB_HID + default y + ---help--- + Support for Petalynx Maxter remote control. + +config HID_SAMSUNG + tristate "Samsung" if EMBEDDED + depends on USB_HID + default y + ---help--- + Support for Samsung InfraRed remote control. + +config HID_SONY + tristate "Sony" if EMBEDDED + depends on USB_HID + default y + ---help--- + Support for Sony PS3 controller. + +config HID_SUNPLUS + tristate "Sunplus" if EMBEDDED + depends on USB_HID + default y + ---help--- + Support for Sunplus wireless desktop. + +config THRUSTMASTER_FF + tristate "ThrustMaster devices support" + depends on USB_HID + select INPUT_FF_MEMLESS + help + Say Y here if you have a THRUSTMASTER FireStore Dual Power 2 or + a THRUSTMASTER Ferrari GT Rumble Force or Force Feedback Wheel. + +config ZEROPLUS_FF + tristate "Zeroplus based game controller support" + depends on USB_HID + select INPUT_FF_MEMLESS + help + Say Y here if you have a Zeroplus based game controller. + +endmenu + +endif # HID_SUPPORT diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile new file mode 100644 index 0000000..b09e43e --- /dev/null +++ b/drivers/hid/Makefile @@ -0,0 +1,47 @@ +# +# Makefile for the HID driver +# +hid-objs := hid-core.o hid-input.o + +obj-$(CONFIG_HID) += hid.o + +hid-$(CONFIG_HID_DEBUG) += hid-debug.o +hid-$(CONFIG_HIDRAW) += hidraw.o + +ifdef CONFIG_HID_COMPAT +obj-m += hid-dummy.o +endif + +hid-logitech-objs := hid-lg.o +ifdef CONFIG_LOGITECH_FF + hid-logitech-objs += hid-lgff.o +endif +ifdef CONFIG_LOGIRUMBLEPAD2_FF + hid-logitech-objs += hid-lg2ff.o +endif + +obj-$(CONFIG_HID_A4TECH) += hid-a4tech.o +obj-$(CONFIG_HID_APPLE) += hid-apple.o +obj-$(CONFIG_HID_BELKIN) += hid-belkin.o +obj-$(CONFIG_HID_BRIGHT) += hid-bright.o +obj-$(CONFIG_HID_CHERRY) += hid-cherry.o +obj-$(CONFIG_HID_CHICONY) += hid-chicony.o +obj-$(CONFIG_HID_CYPRESS) += hid-cypress.o +obj-$(CONFIG_HID_DELL) += hid-dell.o +obj-$(CONFIG_HID_EZKEY) += hid-ezkey.o +obj-$(CONFIG_HID_GYRATION) += hid-gyration.o +obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o +obj-$(CONFIG_HID_MICROSOFT) += hid-microsoft.o +obj-$(CONFIG_HID_MONTEREY) += hid-monterey.o +obj-$(CONFIG_HID_PANTHERLORD) += hid-pl.o +obj-$(CONFIG_HID_PETALYNX) += hid-petalynx.o +obj-$(CONFIG_HID_SAMSUNG) += hid-samsung.o +obj-$(CONFIG_HID_SONY) += hid-sony.o +obj-$(CONFIG_HID_SUNPLUS) += hid-sunplus.o +obj-$(CONFIG_THRUSTMASTER_FF) += hid-tmff.o +obj-$(CONFIG_ZEROPLUS_FF) += hid-zpff.o + +obj-$(CONFIG_USB_HID) += usbhid/ +obj-$(CONFIG_USB_MOUSE) += usbhid/ +obj-$(CONFIG_USB_KBD) += usbhid/ + diff --git a/drivers/hid/hid-a4tech.c b/drivers/hid/hid-a4tech.c new file mode 100644 index 0000000..ebca00e --- /dev/null +++ b/drivers/hid/hid-a4tech.c @@ -0,0 +1,162 @@ +/* + * HID driver for some a4tech "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/input.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +#define A4_2WHEEL_MOUSE_HACK_7 0x01 +#define A4_2WHEEL_MOUSE_HACK_B8 0x02 + +struct a4tech_sc { + unsigned long quirks; + unsigned int hw_wheel; + __s32 delayed_value; +}; + +static int a4_input_mapped(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + struct a4tech_sc *a4 = hid_get_drvdata(hdev); + + if (usage->type == EV_REL && usage->code == REL_WHEEL) + set_bit(REL_HWHEEL, *bit); + + if ((a4->quirks & A4_2WHEEL_MOUSE_HACK_7) && usage->hid == 0x00090007) + return -1; + + return 0; +} + +static int a4_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + struct a4tech_sc *a4 = hid_get_drvdata(hdev); + struct input_dev *input; + + if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || + !usage->type) + return 0; + + input = field->hidinput->input; + + if (a4->quirks & A4_2WHEEL_MOUSE_HACK_B8) { + if (usage->type == EV_REL && usage->code == REL_WHEEL) { + a4->delayed_value = value; + return 1; + } + + if (usage->hid == 0x000100b8) { + input_event(input, EV_REL, value ? REL_HWHEEL : + REL_WHEEL, a4->delayed_value); + return 1; + } + } + + if ((a4->quirks & A4_2WHEEL_MOUSE_HACK_7) && usage->hid == 0x00090007) { + a4->hw_wheel = !!value; + return 1; + } + + if (usage->code == REL_WHEEL && a4->hw_wheel) { + input_event(input, usage->type, REL_HWHEEL, value); + return 1; + } + + return 0; +} + +static int a4_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + struct a4tech_sc *a4; + int ret; + + a4 = kzalloc(sizeof(*a4), GFP_KERNEL); + if (a4 == NULL) { + dev_err(&hdev->dev, "can't alloc device descriptor\n"); + ret = -ENOMEM; + goto err_free; + } + + a4->quirks = id->driver_data; + + hid_set_drvdata(hdev, a4); + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + return 0; +err_free: + kfree(a4); + return ret; +} + +static void a4_remove(struct hid_device *hdev) +{ + struct a4tech_sc *a4 = hid_get_drvdata(hdev); + + hid_hw_stop(hdev); + kfree(a4); +} + +static const struct hid_device_id a4_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU), + .driver_data = A4_2WHEEL_MOUSE_HACK_7 }, + { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D), + .driver_data = A4_2WHEEL_MOUSE_HACK_B8 }, + { } +}; +MODULE_DEVICE_TABLE(hid, a4_devices); + +static struct hid_driver a4_driver = { + .name = "a4tech", + .id_table = a4_devices, + .input_mapped = a4_input_mapped, + .event = a4_event, + .probe = a4_probe, + .remove = a4_remove, +}; + +static int a4_init(void) +{ + return hid_register_driver(&a4_driver); +} + +static void a4_exit(void) +{ + hid_unregister_driver(&a4_driver); +} + +module_init(a4_init); +module_exit(a4_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(a4tech); diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c new file mode 100644 index 0000000..aa28aed --- /dev/null +++ b/drivers/hid/hid-apple.c @@ -0,0 +1,472 @@ +/* + * USB HID quirks support for Linux + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby <jirislaby@gmail.com> + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/usb.h> + +#include "hid-ids.h" + +#define APPLE_RDESC_JIS 0x0001 +#define APPLE_IGNORE_MOUSE 0x0002 +#define APPLE_HAS_FN 0x0004 +#define APPLE_HIDDEV 0x0008 +#define APPLE_ISO_KEYBOARD 0x0010 +#define APPLE_MIGHTYMOUSE 0x0020 +#define APPLE_INVERT_HWHEEL 0x0040 +#define APPLE_IGNORE_HIDINPUT 0x0080 +#define APPLE_NUMLOCK_EMULATION 0x0100 + +#define APPLE_FLAG_FKEY 0x01 + +static unsigned int fnmode = 1; +module_param(fnmode, uint, 0644); +MODULE_PARM_DESC(fnmode, "Mode of fn key on Apple keyboards (0 = disabled, " + "[1] = fkeyslast, 2 = fkeysfirst)"); + +struct apple_sc { + unsigned long quirks; + unsigned int fn_on; + DECLARE_BITMAP(pressed_fn, KEY_CNT); + DECLARE_BITMAP(pressed_numlock, KEY_CNT); +}; + +struct apple_key_translation { + u16 from; + u16 to; + u8 flags; +}; + +static struct apple_key_translation apple_fn_keys[] = { + { KEY_BACKSPACE, KEY_DELETE }, + { KEY_ENTER, KEY_INSERT }, + { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, + { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, + { KEY_F3, KEY_SCALE, APPLE_FLAG_FKEY }, + { KEY_F4, KEY_DASHBOARD, APPLE_FLAG_FKEY }, + { KEY_F5, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY }, + { KEY_F6, KEY_KBDILLUMUP, APPLE_FLAG_FKEY }, + { KEY_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY }, + { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY }, + { KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY }, + { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY }, + { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY }, + { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY }, + { KEY_UP, KEY_PAGEUP }, + { KEY_DOWN, KEY_PAGEDOWN }, + { KEY_LEFT, KEY_HOME }, + { KEY_RIGHT, KEY_END }, + { } +}; + +static struct apple_key_translation powerbook_fn_keys[] = { + { KEY_BACKSPACE, KEY_DELETE }, + { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY }, + { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY }, + { KEY_F3, KEY_MUTE, APPLE_FLAG_FKEY }, + { KEY_F4, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY }, + { KEY_F5, KEY_VOLUMEUP, APPLE_FLAG_FKEY }, + { KEY_F6, KEY_NUMLOCK, APPLE_FLAG_FKEY }, + { KEY_F7, KEY_SWITCHVIDEOMODE, APPLE_FLAG_FKEY }, + { KEY_F8, KEY_KBDILLUMTOGGLE, APPLE_FLAG_FKEY }, + { KEY_F9, KEY_KBDILLUMDOWN, APPLE_FLAG_FKEY }, + { KEY_F10, KEY_KBDILLUMUP, APPLE_FLAG_FKEY }, + { KEY_UP, KEY_PAGEUP }, + { KEY_DOWN, KEY_PAGEDOWN }, + { KEY_LEFT, KEY_HOME }, + { KEY_RIGHT, KEY_END }, + { } +}; + +static struct apple_key_translation powerbook_numlock_keys[] = { + { KEY_J, KEY_KP1 }, + { KEY_K, KEY_KP2 }, + { KEY_L, KEY_KP3 }, + { KEY_U, KEY_KP4 }, + { KEY_I, KEY_KP5 }, + { KEY_O, KEY_KP6 }, + { KEY_7, KEY_KP7 }, + { KEY_8, KEY_KP8 }, + { KEY_9, KEY_KP9 }, + { KEY_M, KEY_KP0 }, + { KEY_DOT, KEY_KPDOT }, + { KEY_SLASH, KEY_KPPLUS }, + { KEY_SEMICOLON, KEY_KPMINUS }, + { KEY_P, KEY_KPASTERISK }, + { KEY_MINUS, KEY_KPEQUAL }, + { KEY_0, KEY_KPSLASH }, + { KEY_F6, KEY_NUMLOCK }, + { KEY_KPENTER, KEY_KPENTER }, + { KEY_BACKSPACE, KEY_BACKSPACE }, + { } +}; + +static struct apple_key_translation apple_iso_keyboard[] = { + { KEY_GRAVE, KEY_102ND }, + { KEY_102ND, KEY_GRAVE }, + { } +}; + +static struct apple_key_translation *apple_find_translation( + struct apple_key_translation *table, u16 from) +{ + struct apple_key_translation *trans; + + /* Look for the translation */ + for (trans = table; trans->from; trans++) + if (trans->from == from) + return trans; + + return NULL; +} + +static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input, + struct hid_usage *usage, __s32 value) +{ + struct apple_sc *asc = hid_get_drvdata(hid); + struct apple_key_translation *trans; + + if (usage->code == KEY_FN) { + asc->fn_on = !!value; + input_event(input, usage->type, usage->code, value); + return 1; + } + + if (fnmode) { + int do_translate; + + trans = apple_find_translation((hid->product < 0x220 || + hid->product >= 0x300) ? + powerbook_fn_keys : apple_fn_keys, + usage->code); + if (trans) { + if (test_bit(usage->code, asc->pressed_fn)) + do_translate = 1; + else if (trans->flags & APPLE_FLAG_FKEY) + do_translate = (fnmode == 2 && asc->fn_on) || + (fnmode == 1 && !asc->fn_on); + else + do_translate = asc->fn_on; + + if (do_translate) { + if (value) + set_bit(usage->code, asc->pressed_fn); + else + clear_bit(usage->code, asc->pressed_fn); + + input_event(input, usage->type, trans->to, + value); + + return 1; + } + } + + if (asc->quirks & APPLE_NUMLOCK_EMULATION && + (test_bit(usage->code, asc->pressed_numlock) || + test_bit(LED_NUML, input->led))) { + trans = apple_find_translation(powerbook_numlock_keys, + usage->code); + + if (trans) { + if (value) + set_bit(usage->code, + asc->pressed_numlock); + else + clear_bit(usage->code, + asc->pressed_numlock); + + input_event(input, usage->type, trans->to, + value); + } + + return 1; + } + } + + if (asc->quirks & APPLE_ISO_KEYBOARD) { + trans = apple_find_translation(apple_iso_keyboard, usage->code); + if (trans) { + input_event(input, usage->type, trans->to, value); + return 1; + } + } + + return 0; +} + +static int apple_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + struct apple_sc *asc = hid_get_drvdata(hdev); + + if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || + !usage->type) + return 0; + + if ((asc->quirks & APPLE_INVERT_HWHEEL) && + usage->code == REL_HWHEEL) { + input_event(field->hidinput->input, usage->type, usage->code, + -value); + return 1; + } + + if ((asc->quirks & APPLE_HAS_FN) && + hidinput_apple_event(hdev, field->hidinput->input, + usage, value)) + return 1; + + + return 0; +} + +/* + * MacBook JIS keyboard has wrong logical maximum + */ +static void apple_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + struct apple_sc *asc = hid_get_drvdata(hdev); + + if ((asc->quirks & APPLE_RDESC_JIS) && rsize >= 60 && + rdesc[53] == 0x65 && rdesc[59] == 0x65) { + dev_info(&hdev->dev, "fixing up MacBook JIS keyboard report " + "descriptor\n"); + rdesc[53] = rdesc[59] = 0xe7; + } +} + +static void apple_setup_input(struct input_dev *input) +{ + struct apple_key_translation *trans; + + set_bit(KEY_NUMLOCK, input->keybit); + + /* Enable all needed keys */ + for (trans = apple_fn_keys; trans->from; trans++) + set_bit(trans->to, input->keybit); + + for (trans = powerbook_fn_keys; trans->from; trans++) + set_bit(trans->to, input->keybit); + + for (trans = powerbook_numlock_keys; trans->from; trans++) + set_bit(trans->to, input->keybit); + + for (trans = apple_iso_keyboard; trans->from; trans++) + set_bit(trans->to, input->keybit); +} + +static int apple_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if (usage->hid == (HID_UP_CUSTOM | 0x0003)) { + /* The fn key on Apple USB keyboards */ + set_bit(EV_REP, hi->input->evbit); + hid_map_usage_clear(hi, usage, bit, max, EV_KEY, KEY_FN); + apple_setup_input(hi->input); + return 1; + } + + /* we want the hid layer to go through standard path (set and ignore) */ + return 0; +} + +static int apple_input_mapped(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + struct apple_sc *asc = hid_get_drvdata(hdev); + + if (asc->quirks & APPLE_MIGHTYMOUSE) { + if (usage->hid == HID_GD_Z) + hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL); + else if (usage->code == BTN_1) + hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_2); + else if (usage->code == BTN_2) + hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_1); + } + + return 0; +} + +static int apple_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + unsigned long quirks = id->driver_data; + struct apple_sc *asc; + unsigned int connect_mask = HID_CONNECT_DEFAULT; + int ret; + + asc = kzalloc(sizeof(*asc), GFP_KERNEL); + if (asc == NULL) { + dev_err(&hdev->dev, "can't alloc apple descriptor\n"); + return -ENOMEM; + } + + asc->quirks = quirks; + + hid_set_drvdata(hdev, asc); + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + if (quirks & APPLE_HIDDEV) + connect_mask |= HID_CONNECT_HIDDEV_FORCE; + if (quirks & APPLE_IGNORE_HIDINPUT) + connect_mask &= ~HID_CONNECT_HIDINPUT; + + ret = hid_hw_start(hdev, connect_mask); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + return 0; +err_free: + kfree(asc); + return ret; +} + +static void apple_remove(struct hid_device *hdev) +{ + hid_hw_stop(hdev); + kfree(hid_get_drvdata(hdev)); +} + +static const struct hid_device_id apple_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL), + .driver_data = APPLE_HIDDEV | APPLE_IGNORE_HIDINPUT }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4), + .driver_data = APPLE_HIDDEV | APPLE_IGNORE_HIDINPUT }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE), + .driver_data = APPLE_MIGHTYMOUSE | APPLE_INVERT_HWHEEL }, + + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_RDESC_JIS }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN | + APPLE_ISO_KEYBOARD }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + + /* Apple wireless Mighty Mouse */ + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, 0x030c), + .driver_data = APPLE_MIGHTYMOUSE | APPLE_INVERT_HWHEEL }, + + { } +}; +MODULE_DEVICE_TABLE(hid, apple_devices); + +static struct hid_driver apple_driver = { + .name = "apple", + .id_table = apple_devices, + .report_fixup = apple_report_fixup, + .probe = apple_probe, + .remove = apple_remove, + .event = apple_event, + .input_mapping = apple_input_mapping, + .input_mapped = apple_input_mapped, +}; + +static int apple_init(void) +{ + int ret; + + ret = hid_register_driver(&apple_driver); + if (ret) + printk(KERN_ERR "can't register apple driver\n"); + + return ret; +} + +static void apple_exit(void) +{ + hid_unregister_driver(&apple_driver); +} + +module_init(apple_init); +module_exit(apple_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(apple); diff --git a/drivers/hid/hid-belkin.c b/drivers/hid/hid-belkin.c new file mode 100644 index 0000000..12c8a9b --- /dev/null +++ b/drivers/hid/hid-belkin.c @@ -0,0 +1,105 @@ +/* + * HID driver for some belkin "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +#define BELKIN_HIDDEV 0x01 +#define BELKIN_WKBD 0x02 + +#define belkin_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int belkin_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER || + !(quirks & BELKIN_WKBD)) + return 0; + + switch (usage->hid & HID_USAGE) { + case 0x03a: belkin_map_key_clear(KEY_SOUND); break; + case 0x03b: belkin_map_key_clear(KEY_CAMERA); break; + case 0x03c: belkin_map_key_clear(KEY_DOCUMENTS); break; + default: + return 0; + } + return 1; +} + +static int belkin_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + unsigned long quirks = id->driver_data; + int ret; + + hid_set_drvdata(hdev, (void *)quirks); + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | + ((quirks & BELKIN_HIDDEV) ? HID_CONNECT_HIDDEV_FORCE : 0)); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + return 0; +err_free: + return ret; +} + +static const struct hid_device_id belkin_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM), + .driver_data = BELKIN_HIDDEV }, + { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD), + .driver_data = BELKIN_WKBD }, + { } +}; +MODULE_DEVICE_TABLE(hid, belkin_devices); + +static struct hid_driver belkin_driver = { + .name = "belkin", + .id_table = belkin_devices, + .input_mapping = belkin_input_mapping, + .probe = belkin_probe, +}; + +static int belkin_init(void) +{ + return hid_register_driver(&belkin_driver); +} + +static void belkin_exit(void) +{ + hid_unregister_driver(&belkin_driver); +} + +module_init(belkin_init); +module_exit(belkin_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(belkin); diff --git a/drivers/hid/hid-bright.c b/drivers/hid/hid-bright.c new file mode 100644 index 0000000..38517a1 --- /dev/null +++ b/drivers/hid/hid-bright.c @@ -0,0 +1,71 @@ +/* + * HID driver for some bright "special" devices + * + * Copyright (c) 2008 Mauro Carvalho Chehab <mchehab@redhat.com> + * + * Based on hid-dell driver + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +static int bright_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + usbhid_set_leds(hdev); + + return 0; +err_free: + return ret; +} + +static const struct hid_device_id bright_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_BRIGHT, USB_DEVICE_ID_BRIGHT_ABNT2) }, + { } +}; +MODULE_DEVICE_TABLE(hid, bright_devices); + +static struct hid_driver bright_driver = { + .name = "bright", + .id_table = bright_devices, + .probe = bright_probe, +}; + +static int bright_init(void) +{ + return hid_register_driver(&bright_driver); +} + +static void bright_exit(void) +{ + hid_unregister_driver(&bright_driver); +} + +module_init(bright_init); +module_exit(bright_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(bright); diff --git a/drivers/hid/hid-cherry.c b/drivers/hid/hid-cherry.c new file mode 100644 index 0000000..b833b97 --- /dev/null +++ b/drivers/hid/hid-cherry.c @@ -0,0 +1,87 @@ +/* + * HID driver for some cherry "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +/* + * Cherry Cymotion keyboard have an invalid HID report descriptor, + * that needs fixing before we can parse it. + */ +static void ch_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + if (rsize >= 17 && rdesc[11] == 0x3c && rdesc[12] == 0x02) { + dev_info(&hdev->dev, "fixing up Cherry Cymotion report " + "descriptor\n"); + rdesc[11] = rdesc[16] = 0xff; + rdesc[12] = rdesc[17] = 0x03; + } +} + +#define ch_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int ch_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) + return 0; + + switch (usage->hid & HID_USAGE) { + case 0x301: ch_map_key_clear(KEY_PROG1); break; + case 0x302: ch_map_key_clear(KEY_PROG2); break; + case 0x303: ch_map_key_clear(KEY_PROG3); break; + default: + return 0; + } + + return 1; +} + +static const struct hid_device_id ch_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, + { } +}; +MODULE_DEVICE_TABLE(hid, ch_devices); + +static struct hid_driver ch_driver = { + .name = "cherry", + .id_table = ch_devices, + .report_fixup = ch_report_fixup, + .input_mapping = ch_input_mapping, +}; + +static int ch_init(void) +{ + return hid_register_driver(&ch_driver); +} + +static void ch_exit(void) +{ + hid_unregister_driver(&ch_driver); +} + +module_init(ch_init); +module_exit(ch_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(cherry); diff --git a/drivers/hid/hid-chicony.c b/drivers/hid/hid-chicony.c new file mode 100644 index 0000000..a54d409 --- /dev/null +++ b/drivers/hid/hid-chicony.c @@ -0,0 +1,80 @@ +/* + * HID driver for some chicony "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/input.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +#define ch_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int ch_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) + return 0; + + set_bit(EV_REP, hi->input->evbit); + switch (usage->hid & HID_USAGE) { + case 0xff01: ch_map_key_clear(BTN_1); break; + case 0xff02: ch_map_key_clear(BTN_2); break; + case 0xff03: ch_map_key_clear(BTN_3); break; + case 0xff04: ch_map_key_clear(BTN_4); break; + case 0xff05: ch_map_key_clear(BTN_5); break; + case 0xff06: ch_map_key_clear(BTN_6); break; + case 0xff07: ch_map_key_clear(BTN_7); break; + case 0xff08: ch_map_key_clear(BTN_8); break; + case 0xff09: ch_map_key_clear(BTN_9); break; + case 0xff0a: ch_map_key_clear(BTN_A); break; + case 0xff0b: ch_map_key_clear(BTN_B); break; + default: + return 0; + } + return 1; +} + +static const struct hid_device_id ch_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, + { } +}; +MODULE_DEVICE_TABLE(hid, ch_devices); + +static struct hid_driver ch_driver = { + .name = "chicony", + .id_table = ch_devices, + .input_mapping = ch_input_mapping, +}; + +static int ch_init(void) +{ + return hid_register_driver(&ch_driver); +} + +static void ch_exit(void) +{ + hid_unregister_driver(&ch_driver); +} + +module_init(ch_init); +module_exit(ch_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(chicony); diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c new file mode 100644 index 0000000..fab7ca2 --- /dev/null +++ b/drivers/hid/hid-core.c @@ -0,0 +1,1765 @@ +/* + * HID support for Linux + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/mm.h> +#include <linux/spinlock.h> +#include <asm/unaligned.h> +#include <asm/byteorder.h> +#include <linux/input.h> +#include <linux/wait.h> +#include <linux/vmalloc.h> +#include <linux/sched.h> + +#include <linux/hid.h> +#include <linux/hiddev.h> +#include <linux/hid-debug.h> +#include <linux/hidraw.h> + +#include "hid-ids.h" + +/* + * Version Information + */ + +#define DRIVER_VERSION "v2.6" +#define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik, Jiri Kosina" +#define DRIVER_DESC "HID core driver" +#define DRIVER_LICENSE "GPL" + +#ifdef CONFIG_HID_DEBUG +int hid_debug = 0; +module_param_named(debug, hid_debug, int, 0600); +MODULE_PARM_DESC(debug, "HID debugging (0=off, 1=probing info, 2=continuous data dumping)"); +EXPORT_SYMBOL_GPL(hid_debug); +#endif + +/* + * Register a new report for a device. + */ + +static struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id) +{ + struct hid_report_enum *report_enum = device->report_enum + type; + struct hid_report *report; + + if (report_enum->report_id_hash[id]) + return report_enum->report_id_hash[id]; + + if (!(report = kzalloc(sizeof(struct hid_report), GFP_KERNEL))) + return NULL; + + if (id != 0) + report_enum->numbered = 1; + + report->id = id; + report->type = type; + report->size = 0; + report->device = device; + report_enum->report_id_hash[id] = report; + + list_add_tail(&report->list, &report_enum->report_list); + + return report; +} + +/* + * Register a new field for this report. + */ + +static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values) +{ + struct hid_field *field; + + if (report->maxfield == HID_MAX_FIELDS) { + dbg_hid("too many fields in report\n"); + return NULL; + } + + if (!(field = kzalloc(sizeof(struct hid_field) + usages * sizeof(struct hid_usage) + + values * sizeof(unsigned), GFP_KERNEL))) return NULL; + + field->index = report->maxfield++; + report->field[field->index] = field; + field->usage = (struct hid_usage *)(field + 1); + field->value = (s32 *)(field->usage + usages); + field->report = report; + + return field; +} + +/* + * Open a collection. The type/usage is pushed on the stack. + */ + +static int open_collection(struct hid_parser *parser, unsigned type) +{ + struct hid_collection *collection; + unsigned usage; + + usage = parser->local.usage[0]; + + if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) { + dbg_hid("collection stack overflow\n"); + return -1; + } + + if (parser->device->maxcollection == parser->device->collection_size) { + collection = kmalloc(sizeof(struct hid_collection) * + parser->device->collection_size * 2, GFP_KERNEL); + if (collection == NULL) { + dbg_hid("failed to reallocate collection array\n"); + return -1; + } + memcpy(collection, parser->device->collection, + sizeof(struct hid_collection) * + parser->device->collection_size); + memset(collection + parser->device->collection_size, 0, + sizeof(struct hid_collection) * + parser->device->collection_size); + kfree(parser->device->collection); + parser->device->collection = collection; + parser->device->collection_size *= 2; + } + + parser->collection_stack[parser->collection_stack_ptr++] = + parser->device->maxcollection; + + collection = parser->device->collection + + parser->device->maxcollection++; + collection->type = type; + collection->usage = usage; + collection->level = parser->collection_stack_ptr - 1; + + if (type == HID_COLLECTION_APPLICATION) + parser->device->maxapplication++; + + return 0; +} + +/* + * Close a collection. + */ + +static int close_collection(struct hid_parser *parser) +{ + if (!parser->collection_stack_ptr) { + dbg_hid("collection stack underflow\n"); + return -1; + } + parser->collection_stack_ptr--; + return 0; +} + +/* + * Climb up the stack, search for the specified collection type + * and return the usage. + */ + +static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type) +{ + int n; + for (n = parser->collection_stack_ptr - 1; n >= 0; n--) + if (parser->device->collection[parser->collection_stack[n]].type == type) + return parser->device->collection[parser->collection_stack[n]].usage; + return 0; /* we know nothing about this usage type */ +} + +/* + * Add a usage to the temporary parser table. + */ + +static int hid_add_usage(struct hid_parser *parser, unsigned usage) +{ + if (parser->local.usage_index >= HID_MAX_USAGES) { + dbg_hid("usage index exceeded\n"); + return -1; + } + parser->local.usage[parser->local.usage_index] = usage; + parser->local.collection_index[parser->local.usage_index] = + parser->collection_stack_ptr ? + parser->collection_stack[parser->collection_stack_ptr - 1] : 0; + parser->local.usage_index++; + return 0; +} + +/* + * Register a new field for this report. + */ + +static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags) +{ + struct hid_report *report; + struct hid_field *field; + int usages; + unsigned offset; + int i; + + if (!(report = hid_register_report(parser->device, report_type, parser->global.report_id))) { + dbg_hid("hid_register_report failed\n"); + return -1; + } + + if (parser->global.logical_maximum < parser->global.logical_minimum) { + dbg_hid("logical range invalid %d %d\n", parser->global.logical_minimum, parser->global.logical_maximum); + return -1; + } + + offset = report->size; + report->size += parser->global.report_size * parser->global.report_count; + + if (!parser->local.usage_index) /* Ignore padding fields */ + return 0; + + usages = max_t(int, parser->local.usage_index, parser->global.report_count); + + if ((field = hid_register_field(report, usages, parser->global.report_count)) == NULL) + return 0; + + field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL); + field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL); + field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION); + + for (i = 0; i < usages; i++) { + int j = i; + /* Duplicate the last usage we parsed if we have excess values */ + if (i >= parser->local.usage_index) + j = parser->local.usage_index - 1; + field->usage[i].hid = parser->local.usage[j]; + field->usage[i].collection_index = + parser->local.collection_index[j]; + } + + field->maxusage = usages; + field->flags = flags; + field->report_offset = offset; + field->report_type = report_type; + field->report_size = parser->global.report_size; + field->report_count = parser->global.report_count; + field->logical_minimum = parser->global.logical_minimum; + field->logical_maximum = parser->global.logical_maximum; + field->physical_minimum = parser->global.physical_minimum; + field->physical_maximum = parser->global.physical_maximum; + field->unit_exponent = parser->global.unit_exponent; + field->unit = parser->global.unit; + + return 0; +} + +/* + * Read data value from item. + */ + +static u32 item_udata(struct hid_item *item) +{ + switch (item->size) { + case 1: return item->data.u8; + case 2: return item->data.u16; + case 4: return item->data.u32; + } + return 0; +} + +static s32 item_sdata(struct hid_item *item) +{ + switch (item->size) { + case 1: return item->data.s8; + case 2: return item->data.s16; + case 4: return item->data.s32; + } + return 0; +} + +/* + * Process a global item. + */ + +static int hid_parser_global(struct hid_parser *parser, struct hid_item *item) +{ + switch (item->tag) { + case HID_GLOBAL_ITEM_TAG_PUSH: + + if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) { + dbg_hid("global enviroment stack overflow\n"); + return -1; + } + + memcpy(parser->global_stack + parser->global_stack_ptr++, + &parser->global, sizeof(struct hid_global)); + return 0; + + case HID_GLOBAL_ITEM_TAG_POP: + + if (!parser->global_stack_ptr) { + dbg_hid("global enviroment stack underflow\n"); + return -1; + } + + memcpy(&parser->global, parser->global_stack + + --parser->global_stack_ptr, sizeof(struct hid_global)); + return 0; + + case HID_GLOBAL_ITEM_TAG_USAGE_PAGE: + parser->global.usage_page = item_udata(item); + return 0; + + case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM: + parser->global.logical_minimum = item_sdata(item); + return 0; + + case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM: + if (parser->global.logical_minimum < 0) + parser->global.logical_maximum = item_sdata(item); + else + parser->global.logical_maximum = item_udata(item); + return 0; + + case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM: + parser->global.physical_minimum = item_sdata(item); + return 0; + + case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM: + if (parser->global.physical_minimum < 0) + parser->global.physical_maximum = item_sdata(item); + else + parser->global.physical_maximum = item_udata(item); + return 0; + + case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT: + parser->global.unit_exponent = item_sdata(item); + return 0; + + case HID_GLOBAL_ITEM_TAG_UNIT: + parser->global.unit = item_udata(item); + return 0; + + case HID_GLOBAL_ITEM_TAG_REPORT_SIZE: + parser->global.report_size = item_udata(item); + if (parser->global.report_size > 32) { + dbg_hid("invalid report_size %d\n", + parser->global.report_size); + return -1; + } + return 0; + + case HID_GLOBAL_ITEM_TAG_REPORT_COUNT: + parser->global.report_count = item_udata(item); + if (parser->global.report_count > HID_MAX_USAGES) { + dbg_hid("invalid report_count %d\n", + parser->global.report_count); + return -1; + } + return 0; + + case HID_GLOBAL_ITEM_TAG_REPORT_ID: + parser->global.report_id = item_udata(item); + if (parser->global.report_id == 0) { + dbg_hid("report_id 0 is invalid\n"); + return -1; + } + return 0; + + default: + dbg_hid("unknown global tag 0x%x\n", item->tag); + return -1; + } +} + +/* + * Process a local item. + */ + +static int hid_parser_local(struct hid_parser *parser, struct hid_item *item) +{ + __u32 data; + unsigned n; + + if (item->size == 0) { + dbg_hid("item data expected for local item\n"); + return -1; + } + + data = item_udata(item); + + switch (item->tag) { + case HID_LOCAL_ITEM_TAG_DELIMITER: + + if (data) { + /* + * We treat items before the first delimiter + * as global to all usage sets (branch 0). + * In the moment we process only these global + * items and the first delimiter set. + */ + if (parser->local.delimiter_depth != 0) { + dbg_hid("nested delimiters\n"); + return -1; + } + parser->local.delimiter_depth++; + parser->local.delimiter_branch++; + } else { + if (parser->local.delimiter_depth < 1) { + dbg_hid("bogus close delimiter\n"); + return -1; + } + parser->local.delimiter_depth--; + } + return 1; + + case HID_LOCAL_ITEM_TAG_USAGE: + + if (parser->local.delimiter_branch > 1) { + dbg_hid("alternative usage ignored\n"); + return 0; + } + + if (item->size <= 2) + data = (parser->global.usage_page << 16) + data; + + return hid_add_usage(parser, data); + + case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM: + + if (parser->local.delimiter_branch > 1) { + dbg_hid("alternative usage ignored\n"); + return 0; + } + + if (item->size <= 2) + data = (parser->global.usage_page << 16) + data; + + parser->local.usage_minimum = data; + return 0; + + case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM: + + if (parser->local.delimiter_branch > 1) { + dbg_hid("alternative usage ignored\n"); + return 0; + } + + if (item->size <= 2) + data = (parser->global.usage_page << 16) + data; + + for (n = parser->local.usage_minimum; n <= data; n++) + if (hid_add_usage(parser, n)) { + dbg_hid("hid_add_usage failed\n"); + return -1; + } + return 0; + + default: + + dbg_hid("unknown local item tag 0x%x\n", item->tag); + return 0; + } + return 0; +} + +/* + * Process a main item. + */ + +static int hid_parser_main(struct hid_parser *parser, struct hid_item *item) +{ + __u32 data; + int ret; + + data = item_udata(item); + + switch (item->tag) { + case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION: + ret = open_collection(parser, data & 0xff); + break; + case HID_MAIN_ITEM_TAG_END_COLLECTION: + ret = close_collection(parser); + break; + case HID_MAIN_ITEM_TAG_INPUT: + ret = hid_add_field(parser, HID_INPUT_REPORT, data); + break; + case HID_MAIN_ITEM_TAG_OUTPUT: + ret = hid_add_field(parser, HID_OUTPUT_REPORT, data); + break; + case HID_MAIN_ITEM_TAG_FEATURE: + ret = hid_add_field(parser, HID_FEATURE_REPORT, data); + break; + default: + dbg_hid("unknown main item tag 0x%x\n", item->tag); + ret = 0; + } + + memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */ + + return ret; +} + +/* + * Process a reserved item. + */ + +static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item) +{ + dbg_hid("reserved item type, tag 0x%x\n", item->tag); + return 0; +} + +/* + * Free a report and all registered fields. The field->usage and + * field->value table's are allocated behind the field, so we need + * only to free(field) itself. + */ + +static void hid_free_report(struct hid_report *report) +{ + unsigned n; + + for (n = 0; n < report->maxfield; n++) + kfree(report->field[n]); + kfree(report); +} + +/* + * Free a device structure, all reports, and all fields. + */ + +static void hid_device_release(struct device *dev) +{ + struct hid_device *device = container_of(dev, struct hid_device, dev); + unsigned i, j; + + for (i = 0; i < HID_REPORT_TYPES; i++) { + struct hid_report_enum *report_enum = device->report_enum + i; + + for (j = 0; j < 256; j++) { + struct hid_report *report = report_enum->report_id_hash[j]; + if (report) + hid_free_report(report); + } + } + + kfree(device->rdesc); + kfree(device->collection); + kfree(device); +} + +/* + * Fetch a report description item from the data stream. We support long + * items, though they are not used yet. + */ + +static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item) +{ + u8 b; + + if ((end - start) <= 0) + return NULL; + + b = *start++; + + item->type = (b >> 2) & 3; + item->tag = (b >> 4) & 15; + + if (item->tag == HID_ITEM_TAG_LONG) { + + item->format = HID_ITEM_FORMAT_LONG; + + if ((end - start) < 2) + return NULL; + + item->size = *start++; + item->tag = *start++; + + if ((end - start) < item->size) + return NULL; + + item->data.longdata = start; + start += item->size; + return start; + } + + item->format = HID_ITEM_FORMAT_SHORT; + item->size = b & 3; + + switch (item->size) { + case 0: + return start; + + case 1: + if ((end - start) < 1) + return NULL; + item->data.u8 = *start++; + return start; + + case 2: + if ((end - start) < 2) + return NULL; + item->data.u16 = get_unaligned_le16(start); + start = (__u8 *)((__le16 *)start + 1); + return start; + + case 3: + item->size++; + if ((end - start) < 4) + return NULL; + item->data.u32 = get_unaligned_le32(start); + start = (__u8 *)((__le32 *)start + 1); + return start; + } + + return NULL; +} + +/** + * hid_parse_report - parse device report + * + * @device: hid device + * @start: report start + * @size: report size + * + * Parse a report description into a hid_device structure. Reports are + * enumerated, fields are attached to these reports. + * 0 returned on success, otherwise nonzero error value. + */ +int hid_parse_report(struct hid_device *device, __u8 *start, + unsigned size) +{ + struct hid_parser *parser; + struct hid_item item; + __u8 *end; + int ret; + static int (*dispatch_type[])(struct hid_parser *parser, + struct hid_item *item) = { + hid_parser_main, + hid_parser_global, + hid_parser_local, + hid_parser_reserved + }; + + if (device->driver->report_fixup) + device->driver->report_fixup(device, start, size); + + device->rdesc = kmalloc(size, GFP_KERNEL); + if (device->rdesc == NULL) + return -ENOMEM; + memcpy(device->rdesc, start, size); + device->rsize = size; + + parser = vmalloc(sizeof(struct hid_parser)); + if (!parser) { + ret = -ENOMEM; + goto err; + } + + memset(parser, 0, sizeof(struct hid_parser)); + parser->device = device; + + end = start + size; + ret = -EINVAL; + while ((start = fetch_item(start, end, &item)) != NULL) { + + if (item.format != HID_ITEM_FORMAT_SHORT) { + dbg_hid("unexpected long global item\n"); + goto err; + } + + if (dispatch_type[item.type](parser, &item)) { + dbg_hid("item %u %u %u %u parsing failed\n", + item.format, (unsigned)item.size, (unsigned)item.type, (unsigned)item.tag); + goto err; + } + + if (start == end) { + if (parser->collection_stack_ptr) { + dbg_hid("unbalanced collection at end of report description\n"); + goto err; + } + if (parser->local.delimiter_depth) { + dbg_hid("unbalanced delimiter at end of report description\n"); + goto err; + } + vfree(parser); + return 0; + } + } + + dbg_hid("item fetching failed at offset %d\n", (int)(end - start)); +err: + vfree(parser); + return ret; +} +EXPORT_SYMBOL_GPL(hid_parse_report); + +/* + * Convert a signed n-bit integer to signed 32-bit integer. Common + * cases are done through the compiler, the screwed things has to be + * done by hand. + */ + +static s32 snto32(__u32 value, unsigned n) +{ + switch (n) { + case 8: return ((__s8)value); + case 16: return ((__s16)value); + case 32: return ((__s32)value); + } + return value & (1 << (n - 1)) ? value | (-1 << n) : value; +} + +/* + * Convert a signed 32-bit integer to a signed n-bit integer. + */ + +static u32 s32ton(__s32 value, unsigned n) +{ + s32 a = value >> (n - 1); + if (a && a != -1) + return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1; + return value & ((1 << n) - 1); +} + +/* + * Extract/implement a data field from/to a little endian report (bit array). + * + * Code sort-of follows HID spec: + * http://www.usb.org/developers/devclass_docs/HID1_11.pdf + * + * While the USB HID spec allows unlimited length bit fields in "report + * descriptors", most devices never use more than 16 bits. + * One model of UPS is claimed to report "LINEV" as a 32-bit field. + * Search linux-kernel and linux-usb-devel archives for "hid-core extract". + */ + +static __inline__ __u32 extract(__u8 *report, unsigned offset, unsigned n) +{ + u64 x; + + if (n > 32) + printk(KERN_WARNING "HID: extract() called with n (%d) > 32! (%s)\n", + n, current->comm); + + report += offset >> 3; /* adjust byte index */ + offset &= 7; /* now only need bit offset into one byte */ + x = get_unaligned_le64(report); + x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */ + return (u32) x; +} + +/* + * "implement" : set bits in a little endian bit stream. + * Same concepts as "extract" (see comments above). + * The data mangled in the bit stream remains in little endian + * order the whole time. It make more sense to talk about + * endianness of register values by considering a register + * a "cached" copy of the little endiad bit stream. + */ +static __inline__ void implement(__u8 *report, unsigned offset, unsigned n, __u32 value) +{ + u64 x; + u64 m = (1ULL << n) - 1; + + if (n > 32) + printk(KERN_WARNING "HID: implement() called with n (%d) > 32! (%s)\n", + n, current->comm); + + if (value > m) + printk(KERN_WARNING "HID: implement() called with too large value %d! (%s)\n", + value, current->comm); + WARN_ON(value > m); + value &= m; + + report += offset >> 3; + offset &= 7; + + x = get_unaligned_le64(report); + x &= ~(m << offset); + x |= ((u64)value) << offset; + put_unaligned_le64(x, report); +} + +/* + * Search an array for a value. + */ + +static __inline__ int search(__s32 *array, __s32 value, unsigned n) +{ + while (n--) { + if (*array++ == value) + return 0; + } + return -1; +} + +/** + * hid_match_report - check if driver's raw_event should be called + * + * @hid: hid device + * @report_type: type to match against + * + * compare hid->driver->report_table->report_type to report->type + */ +static int hid_match_report(struct hid_device *hid, struct hid_report *report) +{ + const struct hid_report_id *id = hid->driver->report_table; + + if (!id) /* NULL means all */ + return 1; + + for (; id->report_type != HID_TERMINATOR; id++) + if (id->report_type == HID_ANY_ID || + id->report_type == report->type) + return 1; + return 0; +} + +/** + * hid_match_usage - check if driver's event should be called + * + * @hid: hid device + * @usage: usage to match against + * + * compare hid->driver->usage_table->usage_{type,code} to + * usage->usage_{type,code} + */ +static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage) +{ + const struct hid_usage_id *id = hid->driver->usage_table; + + if (!id) /* NULL means all */ + return 1; + + for (; id->usage_type != HID_ANY_ID - 1; id++) + if ((id->usage_hid == HID_ANY_ID || + id->usage_hid == usage->hid) && + (id->usage_type == HID_ANY_ID || + id->usage_type == usage->type) && + (id->usage_code == HID_ANY_ID || + id->usage_code == usage->code)) + return 1; + return 0; +} + +static void hid_process_event(struct hid_device *hid, struct hid_field *field, + struct hid_usage *usage, __s32 value, int interrupt) +{ + struct hid_driver *hdrv = hid->driver; + int ret; + + hid_dump_input(usage, value); + + if (hdrv && hdrv->event && hid_match_usage(hid, usage)) { + ret = hdrv->event(hid, field, usage, value); + if (ret != 0) { + if (ret < 0) + dbg_hid("%s's event failed with %d\n", + hdrv->name, ret); + return; + } + } + + if (hid->claimed & HID_CLAIMED_INPUT) + hidinput_hid_event(hid, field, usage, value); + if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event) + hid->hiddev_hid_event(hid, field, usage, value); +} + +/* + * Analyse a received field, and fetch the data from it. The field + * content is stored for next report processing (we do differential + * reporting to the layer). + */ + +static void hid_input_field(struct hid_device *hid, struct hid_field *field, + __u8 *data, int interrupt) +{ + unsigned n; + unsigned count = field->report_count; + unsigned offset = field->report_offset; + unsigned size = field->report_size; + __s32 min = field->logical_minimum; + __s32 max = field->logical_maximum; + __s32 *value; + + if (!(value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC))) + return; + + for (n = 0; n < count; n++) { + + value[n] = min < 0 ? snto32(extract(data, offset + n * size, size), size) : + extract(data, offset + n * size, size); + + if (!(field->flags & HID_MAIN_ITEM_VARIABLE) /* Ignore report if ErrorRollOver */ + && value[n] >= min && value[n] <= max + && field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1) + goto exit; + } + + for (n = 0; n < count; n++) { + + if (HID_MAIN_ITEM_VARIABLE & field->flags) { + hid_process_event(hid, field, &field->usage[n], value[n], interrupt); + continue; + } + + if (field->value[n] >= min && field->value[n] <= max + && field->usage[field->value[n] - min].hid + && search(value, field->value[n], count)) + hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt); + + if (value[n] >= min && value[n] <= max + && field->usage[value[n] - min].hid + && search(field->value, value[n], count)) + hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt); + } + + memcpy(field->value, value, count * sizeof(__s32)); +exit: + kfree(value); +} + +/* + * Output the field into the report. + */ + +static void hid_output_field(struct hid_field *field, __u8 *data) +{ + unsigned count = field->report_count; + unsigned offset = field->report_offset; + unsigned size = field->report_size; + unsigned bitsused = offset + count * size; + unsigned n; + + /* make sure the unused bits in the last byte are zeros */ + if (count > 0 && size > 0 && (bitsused % 8) != 0) + data[(bitsused-1)/8] &= (1 << (bitsused % 8)) - 1; + + for (n = 0; n < count; n++) { + if (field->logical_minimum < 0) /* signed values */ + implement(data, offset + n * size, size, s32ton(field->value[n], size)); + else /* unsigned values */ + implement(data, offset + n * size, size, field->value[n]); + } +} + +/* + * Create a report. + */ + +void hid_output_report(struct hid_report *report, __u8 *data) +{ + unsigned n; + + if (report->id > 0) + *data++ = report->id; + + for (n = 0; n < report->maxfield; n++) + hid_output_field(report->field[n], data); +} +EXPORT_SYMBOL_GPL(hid_output_report); + +/* + * Set a field value. The report this field belongs to has to be + * created and transferred to the device, to set this value in the + * device. + */ + +int hid_set_field(struct hid_field *field, unsigned offset, __s32 value) +{ + unsigned size = field->report_size; + + hid_dump_input(field->usage + offset, value); + + if (offset >= field->report_count) { + dbg_hid("offset (%d) exceeds report_count (%d)\n", offset, field->report_count); + hid_dump_field(field, 8); + return -1; + } + if (field->logical_minimum < 0) { + if (value != snto32(s32ton(value, size), size)) { + dbg_hid("value %d is out of range\n", value); + return -1; + } + } + field->value[offset] = value; + return 0; +} +EXPORT_SYMBOL_GPL(hid_set_field); + +static struct hid_report *hid_get_report(struct hid_report_enum *report_enum, + const u8 *data) +{ + struct hid_report *report; + unsigned int n = 0; /* Normally report number is 0 */ + + /* Device uses numbered reports, data[0] is report number */ + if (report_enum->numbered) + n = *data; + + report = report_enum->report_id_hash[n]; + if (report == NULL) + dbg_hid("undefined report_id %u received\n", n); + + return report; +} + +void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size, + int interrupt) +{ + struct hid_report_enum *report_enum = hid->report_enum + type; + struct hid_report *report; + unsigned int a; + int rsize, csize = size; + u8 *cdata = data; + + report = hid_get_report(report_enum, data); + if (!report) + return; + + if (report_enum->numbered) { + cdata++; + csize--; + } + + rsize = ((report->size - 1) >> 3) + 1; + + if (csize < rsize) { + dbg_hid("report %d is too short, (%d < %d)\n", report->id, + csize, rsize); + memset(cdata + csize, 0, rsize - csize); + } + + if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event) + hid->hiddev_report_event(hid, report); + if (hid->claimed & HID_CLAIMED_HIDRAW) { + /* numbered reports need to be passed with the report num */ + if (report_enum->numbered) + hidraw_report_event(hid, data - 1, size + 1); + else + hidraw_report_event(hid, data, size); + } + + for (a = 0; a < report->maxfield; a++) + hid_input_field(hid, report->field[a], cdata, interrupt); + + if (hid->claimed & HID_CLAIMED_INPUT) + hidinput_report_event(hid, report); +} +EXPORT_SYMBOL_GPL(hid_report_raw_event); + +/** + * hid_input_report - report data from lower layer (usb, bt...) + * + * @hid: hid device + * @type: HID report type (HID_*_REPORT) + * @data: report contents + * @size: size of data parameter + * @interrupt: called from atomic? + * + * This is data entry for lower layers. + */ +int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt) +{ + struct hid_report_enum *report_enum = hid->report_enum + type; + struct hid_driver *hdrv = hid->driver; + struct hid_report *report; + unsigned int i; + int ret; + + if (!hid || !hid->driver) + return -ENODEV; + + if (!size) { + dbg_hid("empty report\n"); + return -1; + } + + dbg_hid("report (size %u) (%snumbered)\n", size, report_enum->numbered ? "" : "un"); + + report = hid_get_report(report_enum, data); + if (!report) + return -1; + + /* dump the report */ + dbg_hid("report %d (size %u) = ", report->id, size); + for (i = 0; i < size; i++) + dbg_hid_line(" %02x", data[i]); + dbg_hid_line("\n"); + + if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) { + ret = hdrv->raw_event(hid, report, data, size); + if (ret != 0) + return ret < 0 ? ret : 0; + } + + hid_report_raw_event(hid, type, data, size, interrupt); + + return 0; +} +EXPORT_SYMBOL_GPL(hid_input_report); + +static bool hid_match_one_id(struct hid_device *hdev, + const struct hid_device_id *id) +{ + return id->bus == hdev->bus && + (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) && + (id->product == HID_ANY_ID || id->product == hdev->product); +} + +static const struct hid_device_id *hid_match_id(struct hid_device *hdev, + const struct hid_device_id *id) +{ + for (; id->bus; id++) + if (hid_match_one_id(hdev, id)) + return id; + + return NULL; +} + +static const struct hid_device_id hid_hiddev_list[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) }, + { } +}; + +static bool hid_hiddev(struct hid_device *hdev) +{ + return !!hid_match_id(hdev, hid_hiddev_list); +} + +int hid_connect(struct hid_device *hdev, unsigned int connect_mask) +{ + static const char *types[] = { "Device", "Pointer", "Mouse", "Device", + "Joystick", "Gamepad", "Keyboard", "Keypad", + "Multi-Axis Controller" + }; + const char *type, *bus; + char buf[64]; + unsigned int i; + int len; + + if (hdev->bus != BUS_USB) + connect_mask &= ~HID_CONNECT_HIDDEV; + if (hid_hiddev(hdev)) + connect_mask |= HID_CONNECT_HIDDEV_FORCE; + + if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev, + connect_mask & HID_CONNECT_HIDINPUT_FORCE)) + hdev->claimed |= HID_CLAIMED_INPUT; + if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect && + !hdev->hiddev_connect(hdev, + connect_mask & HID_CONNECT_HIDDEV_FORCE)) + hdev->claimed |= HID_CLAIMED_HIDDEV; + if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev)) + hdev->claimed |= HID_CLAIMED_HIDRAW; + + if (!hdev->claimed) { + dev_err(&hdev->dev, "claimed by neither input, hiddev nor " + "hidraw\n"); + return -ENODEV; + } + + if ((hdev->claimed & HID_CLAIMED_INPUT) && + (connect_mask & HID_CONNECT_FF) && hdev->ff_init) + hdev->ff_init(hdev); + + len = 0; + if (hdev->claimed & HID_CLAIMED_INPUT) + len += sprintf(buf + len, "input"); + if (hdev->claimed & HID_CLAIMED_HIDDEV) + len += sprintf(buf + len, "%shiddev%d", len ? "," : "", + hdev->minor); + if (hdev->claimed & HID_CLAIMED_HIDRAW) + len += sprintf(buf + len, "%shidraw%d", len ? "," : "", + ((struct hidraw *)hdev->hidraw)->minor); + + type = "Device"; + for (i = 0; i < hdev->maxcollection; i++) { + struct hid_collection *col = &hdev->collection[i]; + if (col->type == HID_COLLECTION_APPLICATION && + (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK && + (col->usage & 0xffff) < ARRAY_SIZE(types)) { + type = types[col->usage & 0xffff]; + break; + } + } + + switch (hdev->bus) { + case BUS_USB: + bus = "USB"; + break; + case BUS_BLUETOOTH: + bus = "BLUETOOTH"; + break; + default: + bus = "<UNKNOWN>"; + } + + dev_info(&hdev->dev, "%s: %s HID v%x.%02x %s [%s] on %s\n", + buf, bus, hdev->version >> 8, hdev->version & 0xff, + type, hdev->name, hdev->phys); + + return 0; +} +EXPORT_SYMBOL_GPL(hid_connect); + +static const struct hid_device_id hid_blacklist[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) }, + { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) }, + { HID_USB_DEVICE(USB_VENDOR_ID_BRIGHT, USB_DEVICE_ID_BRIGHT_ABNT2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_SK8115) }, + { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GENERIC_13BA, USB_DEVICE_ID_GENERIC_13BA_KBD_MOUSE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_KBD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, + { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) }, + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) }, + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) }, + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) }, + + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, 0x030c) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) }, + { } +}; + +static int hid_bus_match(struct device *dev, struct device_driver *drv) +{ + struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver); + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + + if (!hid_match_id(hdev, hdrv->id_table)) + return 0; + + /* generic wants all non-blacklisted */ + if (!strncmp(hdrv->name, "generic-", 8)) + return !hid_match_id(hdev, hid_blacklist); + + return 1; +} + +static int hid_device_probe(struct device *dev) +{ + struct hid_driver *hdrv = container_of(dev->driver, + struct hid_driver, driver); + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + const struct hid_device_id *id; + int ret = 0; + + if (!hdev->driver) { + id = hid_match_id(hdev, hdrv->id_table); + if (id == NULL) + return -ENODEV; + + hdev->driver = hdrv; + if (hdrv->probe) { + ret = hdrv->probe(hdev, id); + } else { /* default probe */ + ret = hid_parse(hdev); + if (!ret) + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + } + if (ret) + hdev->driver = NULL; + } + return ret; +} + +static int hid_device_remove(struct device *dev) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + struct hid_driver *hdrv = hdev->driver; + + if (hdrv) { + if (hdrv->remove) + hdrv->remove(hdev); + else /* default remove */ + hid_hw_stop(hdev); + hdev->driver = NULL; + } + + return 0; +} + +static int hid_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + struct hid_device *hdev = container_of(dev, struct hid_device, dev); + + if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X", + hdev->bus, hdev->vendor, hdev->product)) + return -ENOMEM; + + if (add_uevent_var(env, "HID_NAME=%s", hdev->name)) + return -ENOMEM; + + if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys)) + return -ENOMEM; + + if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq)) + return -ENOMEM; + + if (add_uevent_var(env, "MODALIAS=hid:b%04Xv%08Xp%08X", + hdev->bus, hdev->vendor, hdev->product)) + return -ENOMEM; + + return 0; +} + +static struct bus_type hid_bus_type = { + .name = "hid", + .match = hid_bus_match, + .probe = hid_device_probe, + .remove = hid_device_remove, + .uevent = hid_uevent, +}; + +static const struct hid_device_id hid_ignore_list[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) }, + { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) }, + { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) }, + { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) }, + { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) }, + { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) }, + { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) }, + { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) }, + { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_LCM)}, + { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_LCM2)}, + { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) }, + { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0003) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) }, + { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) }, + { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY1) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) }, + { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) }, + { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) }, + { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) }, + { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SOUNDGRAPH, USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SOUNDGRAPH, USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SOUNDGRAPH, USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD3) }, + { HID_USB_DEVICE(USB_VENDOR_ID_TENX, USB_DEVICE_ID_TENX_IBUDDY1) }, + { HID_USB_DEVICE(USB_VENDOR_ID_TENX, USB_DEVICE_ID_TENX_IBUDDY2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) }, + { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) }, + { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) }, + { } +}; + +/** + * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer + * + * There are composite devices for which we want to ignore only a certain + * interface. This is a list of devices for which only the mouse interface will + * be ignored. This allows a dedicated driver to take care of the interface. + */ +static const struct hid_device_id hid_mouse_ignore_list[] = { + /* appletouch driver */ + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, + { } +}; + +static bool hid_ignore(struct hid_device *hdev) +{ + switch (hdev->vendor) { + case USB_VENDOR_ID_CODEMERCS: + /* ignore all Code Mercenaries IOWarrior devices */ + if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST && + hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST) + return true; + break; + case USB_VENDOR_ID_LOGITECH: + if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST && + hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST) + return true; + break; + } + + if (hdev->type == HID_TYPE_USBMOUSE && + hid_match_id(hdev, hid_mouse_ignore_list)) + return true; + + return !!hid_match_id(hdev, hid_ignore_list); +} + +int hid_add_device(struct hid_device *hdev) +{ + static atomic_t id = ATOMIC_INIT(0); + int ret; + + if (WARN_ON(hdev->status & HID_STAT_ADDED)) + return -EBUSY; + + /* we need to kill them here, otherwise they will stay allocated to + * wait for coming driver */ + if (hid_ignore(hdev)) + return -ENODEV; + + /* XXX hack, any other cleaner solution < 20 bus_id bytes? */ + sprintf(hdev->dev.bus_id, "%04X:%04X:%04X.%04X", hdev->bus, + hdev->vendor, hdev->product, atomic_inc_return(&id)); + + ret = device_add(&hdev->dev); + if (!ret) + hdev->status |= HID_STAT_ADDED; + + return ret; +} +EXPORT_SYMBOL_GPL(hid_add_device); + +/** + * hid_allocate_device - allocate new hid device descriptor + * + * Allocate and initialize hid device, so that hid_destroy_device might be + * used to free it. + * + * New hid_device pointer is returned on success, otherwise ERR_PTR encoded + * error value. + */ +struct hid_device *hid_allocate_device(void) +{ + struct hid_device *hdev; + unsigned int i; + int ret = -ENOMEM; + + hdev = kzalloc(sizeof(*hdev), GFP_KERNEL); + if (hdev == NULL) + return ERR_PTR(ret); + + device_initialize(&hdev->dev); + hdev->dev.release = hid_device_release; + hdev->dev.bus = &hid_bus_type; + + hdev->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS, + sizeof(struct hid_collection), GFP_KERNEL); + if (hdev->collection == NULL) + goto err; + hdev->collection_size = HID_DEFAULT_NUM_COLLECTIONS; + + for (i = 0; i < HID_REPORT_TYPES; i++) + INIT_LIST_HEAD(&hdev->report_enum[i].report_list); + + return hdev; +err: + put_device(&hdev->dev); + return ERR_PTR(ret); +} +EXPORT_SYMBOL_GPL(hid_allocate_device); + +static void hid_remove_device(struct hid_device *hdev) +{ + if (hdev->status & HID_STAT_ADDED) { + device_del(&hdev->dev); + hdev->status &= ~HID_STAT_ADDED; + } +} + +/** + * hid_destroy_device - free previously allocated device + * + * @hdev: hid device + * + * If you allocate hid_device through hid_allocate_device, you should ever + * free by this function. + */ +void hid_destroy_device(struct hid_device *hdev) +{ + hid_remove_device(hdev); + put_device(&hdev->dev); +} +EXPORT_SYMBOL_GPL(hid_destroy_device); + +int __hid_register_driver(struct hid_driver *hdrv, struct module *owner, + const char *mod_name) +{ + hdrv->driver.name = hdrv->name; + hdrv->driver.bus = &hid_bus_type; + hdrv->driver.owner = owner; + hdrv->driver.mod_name = mod_name; + + return driver_register(&hdrv->driver); +} +EXPORT_SYMBOL_GPL(__hid_register_driver); + +void hid_unregister_driver(struct hid_driver *hdrv) +{ + driver_unregister(&hdrv->driver); +} +EXPORT_SYMBOL_GPL(hid_unregister_driver); + +#ifdef CONFIG_HID_COMPAT +static void hid_compat_load(struct work_struct *ws) +{ + request_module("hid-dummy"); +} +static DECLARE_WORK(hid_compat_work, hid_compat_load); +static struct workqueue_struct *hid_compat_wq; +#endif + +static int __init hid_init(void) +{ + int ret; + + ret = bus_register(&hid_bus_type); + if (ret) { + printk(KERN_ERR "HID: can't register hid bus\n"); + goto err; + } + + ret = hidraw_init(); + if (ret) + goto err_bus; + +#ifdef CONFIG_HID_COMPAT + hid_compat_wq = create_singlethread_workqueue("hid_compat"); + if (!hid_compat_wq) { + hidraw_exit(); + goto err; + } + queue_work(hid_compat_wq, &hid_compat_work); +#endif + + return 0; +err_bus: + bus_unregister(&hid_bus_type); +err: + return ret; +} + +static void __exit hid_exit(void) +{ +#ifdef CONFIG_HID_COMPAT + destroy_workqueue(hid_compat_wq); +#endif + hidraw_exit(); + bus_unregister(&hid_bus_type); +} + +module_init(hid_init); +module_exit(hid_exit); + +MODULE_LICENSE(DRIVER_LICENSE); + diff --git a/drivers/hid/hid-cypress.c b/drivers/hid/hid-cypress.c new file mode 100644 index 0000000..5d69d27 --- /dev/null +++ b/drivers/hid/hid-cypress.c @@ -0,0 +1,158 @@ +/* + * HID driver for some cypress "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/input.h> +#include <linux/module.h> + +#include "hid-ids.h" + +#define CP_RDESC_SWAPPED_MIN_MAX 0x01 +#define CP_2WHEEL_MOUSE_HACK 0x02 +#define CP_2WHEEL_MOUSE_HACK_ON 0x04 + +/* + * Some USB barcode readers from cypress have usage min and usage max in + * the wrong order + */ +static void cp_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + unsigned int i; + + if (!(quirks & CP_RDESC_SWAPPED_MIN_MAX)) + return; + + for (i = 0; i < rsize - 4; i++) + if (rdesc[i] == 0x29 && rdesc[i + 2] == 0x19) { + __u8 tmp; + + rdesc[i] = 0x19; + rdesc[i + 2] = 0x29; + tmp = rdesc[i + 3]; + rdesc[i + 3] = rdesc[i + 1]; + rdesc[i + 1] = tmp; + } +} + +static int cp_input_mapped(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if (!(quirks & CP_2WHEEL_MOUSE_HACK)) + return 0; + + if (usage->type == EV_REL && usage->code == REL_WHEEL) + set_bit(REL_HWHEEL, *bit); + if (usage->hid == 0x00090005) + return -1; + + return 0; +} + +static int cp_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || + !usage->type || !(quirks & CP_2WHEEL_MOUSE_HACK)) + return 0; + + if (usage->hid == 0x00090005) { + if (value) + quirks |= CP_2WHEEL_MOUSE_HACK_ON; + else + quirks &= ~CP_2WHEEL_MOUSE_HACK_ON; + hid_set_drvdata(hdev, (void *)quirks); + return 1; + } + + if (usage->code == REL_WHEEL && (quirks & CP_2WHEEL_MOUSE_HACK_ON)) { + struct input_dev *input = field->hidinput->input; + + input_event(input, usage->type, REL_HWHEEL, value); + return 1; + } + + return 0; +} + +static int cp_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + unsigned long quirks = id->driver_data; + int ret; + + hid_set_drvdata(hdev, (void *)quirks); + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + return 0; +err_free: + return ret; +} + +static const struct hid_device_id cp_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1), + .driver_data = CP_RDESC_SWAPPED_MIN_MAX }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2), + .driver_data = CP_RDESC_SWAPPED_MIN_MAX }, + { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE), + .driver_data = CP_2WHEEL_MOUSE_HACK }, + { } +}; +MODULE_DEVICE_TABLE(hid, cp_devices); + +static struct hid_driver cp_driver = { + .name = "cypress", + .id_table = cp_devices, + .report_fixup = cp_report_fixup, + .input_mapped = cp_input_mapped, + .event = cp_event, + .probe = cp_probe, +}; + +static int cp_init(void) +{ + return hid_register_driver(&cp_driver); +} + +static void cp_exit(void) +{ + hid_unregister_driver(&cp_driver); +} + +module_init(cp_init); +module_exit(cp_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(cypress); diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c new file mode 100644 index 0000000..47ac1a7 --- /dev/null +++ b/drivers/hid/hid-debug.c @@ -0,0 +1,778 @@ +/* + * (c) 1999 Andreas Gal <gal@cs.uni-magdeburg.de> + * (c) 2000-2001 Vojtech Pavlik <vojtech@ucw.cz> + * (c) 2007 Jiri Kosina + * + * Some debug stuff for the HID parser. + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/hid.h> +#include <linux/hid-debug.h> + +struct hid_usage_entry { + unsigned page; + unsigned usage; + const char *description; +}; + +static const struct hid_usage_entry hid_usage_table[] = { + { 0, 0, "Undefined" }, + { 1, 0, "GenericDesktop" }, + {0, 0x01, "Pointer"}, + {0, 0x02, "Mouse"}, + {0, 0x04, "Joystick"}, + {0, 0x05, "GamePad"}, + {0, 0x06, "Keyboard"}, + {0, 0x07, "Keypad"}, + {0, 0x08, "MultiAxis"}, + {0, 0x30, "X"}, + {0, 0x31, "Y"}, + {0, 0x32, "Z"}, + {0, 0x33, "Rx"}, + {0, 0x34, "Ry"}, + {0, 0x35, "Rz"}, + {0, 0x36, "Slider"}, + {0, 0x37, "Dial"}, + {0, 0x38, "Wheel"}, + {0, 0x39, "HatSwitch"}, + {0, 0x3a, "CountedBuffer"}, + {0, 0x3b, "ByteCount"}, + {0, 0x3c, "MotionWakeup"}, + {0, 0x3d, "Start"}, + {0, 0x3e, "Select"}, + {0, 0x40, "Vx"}, + {0, 0x41, "Vy"}, + {0, 0x42, "Vz"}, + {0, 0x43, "Vbrx"}, + {0, 0x44, "Vbry"}, + {0, 0x45, "Vbrz"}, + {0, 0x46, "Vno"}, + {0, 0x80, "SystemControl"}, + {0, 0x81, "SystemPowerDown"}, + {0, 0x82, "SystemSleep"}, + {0, 0x83, "SystemWakeUp"}, + {0, 0x84, "SystemContextMenu"}, + {0, 0x85, "SystemMainMenu"}, + {0, 0x86, "SystemAppMenu"}, + {0, 0x87, "SystemMenuHelp"}, + {0, 0x88, "SystemMenuExit"}, + {0, 0x89, "SystemMenuSelect"}, + {0, 0x8a, "SystemMenuRight"}, + {0, 0x8b, "SystemMenuLeft"}, + {0, 0x8c, "SystemMenuUp"}, + {0, 0x8d, "SystemMenuDown"}, + {0, 0x90, "D-PadUp"}, + {0, 0x91, "D-PadDown"}, + {0, 0x92, "D-PadRight"}, + {0, 0x93, "D-PadLeft"}, + { 2, 0, "Simulation" }, + {0, 0xb0, "Aileron"}, + {0, 0xb1, "AileronTrim"}, + {0, 0xb2, "Anti-Torque"}, + {0, 0xb3, "Autopilot"}, + {0, 0xb4, "Chaff"}, + {0, 0xb5, "Collective"}, + {0, 0xb6, "DiveBrake"}, + {0, 0xb7, "ElectronicCountermeasures"}, + {0, 0xb8, "Elevator"}, + {0, 0xb9, "ElevatorTrim"}, + {0, 0xba, "Rudder"}, + {0, 0xbb, "Throttle"}, + {0, 0xbc, "FlightCommunications"}, + {0, 0xbd, "FlareRelease"}, + {0, 0xbe, "LandingGear"}, + {0, 0xbf, "ToeBrake"}, + { 7, 0, "Keyboard" }, + { 8, 0, "LED" }, + {0, 0x01, "NumLock"}, + {0, 0x02, "CapsLock"}, + {0, 0x03, "ScrollLock"}, + {0, 0x04, "Compose"}, + {0, 0x05, "Kana"}, + {0, 0x4b, "GenericIndicator"}, + { 9, 0, "Button" }, + { 10, 0, "Ordinal" }, + { 12, 0, "Consumer" }, + {0, 0x238, "HorizontalWheel"}, + { 13, 0, "Digitizers" }, + {0, 0x01, "Digitizer"}, + {0, 0x02, "Pen"}, + {0, 0x03, "LightPen"}, + {0, 0x04, "TouchScreen"}, + {0, 0x05, "TouchPad"}, + {0, 0x20, "Stylus"}, + {0, 0x21, "Puck"}, + {0, 0x22, "Finger"}, + {0, 0x30, "TipPressure"}, + {0, 0x31, "BarrelPressure"}, + {0, 0x32, "InRange"}, + {0, 0x33, "Touch"}, + {0, 0x34, "UnTouch"}, + {0, 0x35, "Tap"}, + {0, 0x39, "TabletFunctionKey"}, + {0, 0x3a, "ProgramChangeKey"}, + {0, 0x3c, "Invert"}, + {0, 0x42, "TipSwitch"}, + {0, 0x43, "SecondaryTipSwitch"}, + {0, 0x44, "BarrelSwitch"}, + {0, 0x45, "Eraser"}, + {0, 0x46, "TabletPick"}, + { 15, 0, "PhysicalInterfaceDevice" }, + {0, 0x00, "Undefined"}, + {0, 0x01, "Physical_Interface_Device"}, + {0, 0x20, "Normal"}, + {0, 0x21, "Set_Effect_Report"}, + {0, 0x22, "Effect_Block_Index"}, + {0, 0x23, "Parameter_Block_Offset"}, + {0, 0x24, "ROM_Flag"}, + {0, 0x25, "Effect_Type"}, + {0, 0x26, "ET_Constant_Force"}, + {0, 0x27, "ET_Ramp"}, + {0, 0x28, "ET_Custom_Force_Data"}, + {0, 0x30, "ET_Square"}, + {0, 0x31, "ET_Sine"}, + {0, 0x32, "ET_Triangle"}, + {0, 0x33, "ET_Sawtooth_Up"}, + {0, 0x34, "ET_Sawtooth_Down"}, + {0, 0x40, "ET_Spring"}, + {0, 0x41, "ET_Damper"}, + {0, 0x42, "ET_Inertia"}, + {0, 0x43, "ET_Friction"}, + {0, 0x50, "Duration"}, + {0, 0x51, "Sample_Period"}, + {0, 0x52, "Gain"}, + {0, 0x53, "Trigger_Button"}, + {0, 0x54, "Trigger_Repeat_Interval"}, + {0, 0x55, "Axes_Enable"}, + {0, 0x56, "Direction_Enable"}, + {0, 0x57, "Direction"}, + {0, 0x58, "Type_Specific_Block_Offset"}, + {0, 0x59, "Block_Type"}, + {0, 0x5A, "Set_Envelope_Report"}, + {0, 0x5B, "Attack_Level"}, + {0, 0x5C, "Attack_Time"}, + {0, 0x5D, "Fade_Level"}, + {0, 0x5E, "Fade_Time"}, + {0, 0x5F, "Set_Condition_Report"}, + {0, 0x60, "CP_Offset"}, + {0, 0x61, "Positive_Coefficient"}, + {0, 0x62, "Negative_Coefficient"}, + {0, 0x63, "Positive_Saturation"}, + {0, 0x64, "Negative_Saturation"}, + {0, 0x65, "Dead_Band"}, + {0, 0x66, "Download_Force_Sample"}, + {0, 0x67, "Isoch_Custom_Force_Enable"}, + {0, 0x68, "Custom_Force_Data_Report"}, + {0, 0x69, "Custom_Force_Data"}, + {0, 0x6A, "Custom_Force_Vendor_Defined_Data"}, + {0, 0x6B, "Set_Custom_Force_Report"}, + {0, 0x6C, "Custom_Force_Data_Offset"}, + {0, 0x6D, "Sample_Count"}, + {0, 0x6E, "Set_Periodic_Report"}, + {0, 0x6F, "Offset"}, + {0, 0x70, "Magnitude"}, + {0, 0x71, "Phase"}, + {0, 0x72, "Period"}, + {0, 0x73, "Set_Constant_Force_Report"}, + {0, 0x74, "Set_Ramp_Force_Report"}, + {0, 0x75, "Ramp_Start"}, + {0, 0x76, "Ramp_End"}, + {0, 0x77, "Effect_Operation_Report"}, + {0, 0x78, "Effect_Operation"}, + {0, 0x79, "Op_Effect_Start"}, + {0, 0x7A, "Op_Effect_Start_Solo"}, + {0, 0x7B, "Op_Effect_Stop"}, + {0, 0x7C, "Loop_Count"}, + {0, 0x7D, "Device_Gain_Report"}, + {0, 0x7E, "Device_Gain"}, + {0, 0x7F, "PID_Pool_Report"}, + {0, 0x80, "RAM_Pool_Size"}, + {0, 0x81, "ROM_Pool_Size"}, + {0, 0x82, "ROM_Effect_Block_Count"}, + {0, 0x83, "Simultaneous_Effects_Max"}, + {0, 0x84, "Pool_Alignment"}, + {0, 0x85, "PID_Pool_Move_Report"}, + {0, 0x86, "Move_Source"}, + {0, 0x87, "Move_Destination"}, + {0, 0x88, "Move_Length"}, + {0, 0x89, "PID_Block_Load_Report"}, + {0, 0x8B, "Block_Load_Status"}, + {0, 0x8C, "Block_Load_Success"}, + {0, 0x8D, "Block_Load_Full"}, + {0, 0x8E, "Block_Load_Error"}, + {0, 0x8F, "Block_Handle"}, + {0, 0x90, "PID_Block_Free_Report"}, + {0, 0x91, "Type_Specific_Block_Handle"}, + {0, 0x92, "PID_State_Report"}, + {0, 0x94, "Effect_Playing"}, + {0, 0x95, "PID_Device_Control_Report"}, + {0, 0x96, "PID_Device_Control"}, + {0, 0x97, "DC_Enable_Actuators"}, + {0, 0x98, "DC_Disable_Actuators"}, + {0, 0x99, "DC_Stop_All_Effects"}, + {0, 0x9A, "DC_Device_Reset"}, + {0, 0x9B, "DC_Device_Pause"}, + {0, 0x9C, "DC_Device_Continue"}, + {0, 0x9F, "Device_Paused"}, + {0, 0xA0, "Actuators_Enabled"}, + {0, 0xA4, "Safety_Switch"}, + {0, 0xA5, "Actuator_Override_Switch"}, + {0, 0xA6, "Actuator_Power"}, + {0, 0xA7, "Start_Delay"}, + {0, 0xA8, "Parameter_Block_Size"}, + {0, 0xA9, "Device_Managed_Pool"}, + {0, 0xAA, "Shared_Parameter_Blocks"}, + {0, 0xAB, "Create_New_Effect_Report"}, + {0, 0xAC, "RAM_Pool_Available"}, + { 0x84, 0, "Power Device" }, + { 0x84, 0x02, "PresentStatus" }, + { 0x84, 0x03, "ChangeStatus" }, + { 0x84, 0x04, "UPS" }, + { 0x84, 0x05, "PowerSupply" }, + { 0x84, 0x10, "BatterySystem" }, + { 0x84, 0x11, "BatterySystemID" }, + { 0x84, 0x12, "Battery" }, + { 0x84, 0x13, "BatteryID" }, + { 0x84, 0x14, "Charger" }, + { 0x84, 0x15, "ChargerID" }, + { 0x84, 0x16, "PowerConverter" }, + { 0x84, 0x17, "PowerConverterID" }, + { 0x84, 0x18, "OutletSystem" }, + { 0x84, 0x19, "OutletSystemID" }, + { 0x84, 0x1a, "Input" }, + { 0x84, 0x1b, "InputID" }, + { 0x84, 0x1c, "Output" }, + { 0x84, 0x1d, "OutputID" }, + { 0x84, 0x1e, "Flow" }, + { 0x84, 0x1f, "FlowID" }, + { 0x84, 0x20, "Outlet" }, + { 0x84, 0x21, "OutletID" }, + { 0x84, 0x22, "Gang" }, + { 0x84, 0x24, "PowerSummary" }, + { 0x84, 0x25, "PowerSummaryID" }, + { 0x84, 0x30, "Voltage" }, + { 0x84, 0x31, "Current" }, + { 0x84, 0x32, "Frequency" }, + { 0x84, 0x33, "ApparentPower" }, + { 0x84, 0x35, "PercentLoad" }, + { 0x84, 0x40, "ConfigVoltage" }, + { 0x84, 0x41, "ConfigCurrent" }, + { 0x84, 0x43, "ConfigApparentPower" }, + { 0x84, 0x53, "LowVoltageTransfer" }, + { 0x84, 0x54, "HighVoltageTransfer" }, + { 0x84, 0x56, "DelayBeforeStartup" }, + { 0x84, 0x57, "DelayBeforeShutdown" }, + { 0x84, 0x58, "Test" }, + { 0x84, 0x5a, "AudibleAlarmControl" }, + { 0x84, 0x60, "Present" }, + { 0x84, 0x61, "Good" }, + { 0x84, 0x62, "InternalFailure" }, + { 0x84, 0x65, "Overload" }, + { 0x84, 0x66, "OverCharged" }, + { 0x84, 0x67, "OverTemperature" }, + { 0x84, 0x68, "ShutdownRequested" }, + { 0x84, 0x69, "ShutdownImminent" }, + { 0x84, 0x6b, "SwitchOn/Off" }, + { 0x84, 0x6c, "Switchable" }, + { 0x84, 0x6d, "Used" }, + { 0x84, 0x6e, "Boost" }, + { 0x84, 0x73, "CommunicationLost" }, + { 0x84, 0xfd, "iManufacturer" }, + { 0x84, 0xfe, "iProduct" }, + { 0x84, 0xff, "iSerialNumber" }, + { 0x85, 0, "Battery System" }, + { 0x85, 0x01, "SMBBatteryMode" }, + { 0x85, 0x02, "SMBBatteryStatus" }, + { 0x85, 0x03, "SMBAlarmWarning" }, + { 0x85, 0x04, "SMBChargerMode" }, + { 0x85, 0x05, "SMBChargerStatus" }, + { 0x85, 0x06, "SMBChargerSpecInfo" }, + { 0x85, 0x07, "SMBSelectorState" }, + { 0x85, 0x08, "SMBSelectorPresets" }, + { 0x85, 0x09, "SMBSelectorInfo" }, + { 0x85, 0x29, "RemainingCapacityLimit" }, + { 0x85, 0x2c, "CapacityMode" }, + { 0x85, 0x42, "BelowRemainingCapacityLimit" }, + { 0x85, 0x44, "Charging" }, + { 0x85, 0x45, "Discharging" }, + { 0x85, 0x4b, "NeedReplacement" }, + { 0x85, 0x66, "RemainingCapacity" }, + { 0x85, 0x68, "RunTimeToEmpty" }, + { 0x85, 0x6a, "AverageTimeToFull" }, + { 0x85, 0x83, "DesignCapacity" }, + { 0x85, 0x85, "ManufacturerDate" }, + { 0x85, 0x89, "iDeviceChemistry" }, + { 0x85, 0x8b, "Rechargable" }, + { 0x85, 0x8f, "iOEMInformation" }, + { 0x85, 0x8d, "CapacityGranularity1" }, + { 0x85, 0xd0, "ACPresent" }, + /* pages 0xff00 to 0xffff are vendor-specific */ + { 0xffff, 0, "Vendor-specific-FF" }, + { 0, 0, NULL } +}; + +static void resolv_usage_page(unsigned page) { + const struct hid_usage_entry *p; + + for (p = hid_usage_table; p->description; p++) + if (p->page == page) { + printk("%s", p->description); + return; + } + printk("%04x", page); +} + +void hid_resolv_usage(unsigned usage) { + const struct hid_usage_entry *p; + + if (!hid_debug) + return; + + resolv_usage_page(usage >> 16); + printk("."); + for (p = hid_usage_table; p->description; p++) + if (p->page == (usage >> 16)) { + for(++p; p->description && p->usage != 0; p++) + if (p->usage == (usage & 0xffff)) { + printk("%s", p->description); + return; + } + break; + } + printk("%04x", usage & 0xffff); +} +EXPORT_SYMBOL_GPL(hid_resolv_usage); + +static void tab(int n) { + printk(KERN_DEBUG "%*s", n, ""); +} + +void hid_dump_field(struct hid_field *field, int n) { + int j; + + if (!hid_debug) + return; + + if (field->physical) { + tab(n); + printk("Physical("); + hid_resolv_usage(field->physical); printk(")\n"); + } + if (field->logical) { + tab(n); + printk("Logical("); + hid_resolv_usage(field->logical); printk(")\n"); + } + tab(n); printk("Usage(%d)\n", field->maxusage); + for (j = 0; j < field->maxusage; j++) { + tab(n+2); hid_resolv_usage(field->usage[j].hid); printk("\n"); + } + if (field->logical_minimum != field->logical_maximum) { + tab(n); printk("Logical Minimum(%d)\n", field->logical_minimum); + tab(n); printk("Logical Maximum(%d)\n", field->logical_maximum); + } + if (field->physical_minimum != field->physical_maximum) { + tab(n); printk("Physical Minimum(%d)\n", field->physical_minimum); + tab(n); printk("Physical Maximum(%d)\n", field->physical_maximum); + } + if (field->unit_exponent) { + tab(n); printk("Unit Exponent(%d)\n", field->unit_exponent); + } + if (field->unit) { + static const char *systems[5] = { "None", "SI Linear", "SI Rotation", "English Linear", "English Rotation" }; + static const char *units[5][8] = { + { "None", "None", "None", "None", "None", "None", "None", "None" }, + { "None", "Centimeter", "Gram", "Seconds", "Kelvin", "Ampere", "Candela", "None" }, + { "None", "Radians", "Gram", "Seconds", "Kelvin", "Ampere", "Candela", "None" }, + { "None", "Inch", "Slug", "Seconds", "Fahrenheit", "Ampere", "Candela", "None" }, + { "None", "Degrees", "Slug", "Seconds", "Fahrenheit", "Ampere", "Candela", "None" } + }; + + int i; + int sys; + __u32 data = field->unit; + + /* First nibble tells us which system we're in. */ + sys = data & 0xf; + data >>= 4; + + if(sys > 4) { + tab(n); printk("Unit(Invalid)\n"); + } + else { + int earlier_unit = 0; + + tab(n); printk("Unit(%s : ", systems[sys]); + + for (i=1 ; i<sizeof(__u32)*2 ; i++) { + char nibble = data & 0xf; + data >>= 4; + if (nibble != 0) { + if(earlier_unit++ > 0) + printk("*"); + printk("%s", units[sys][i]); + if(nibble != 1) { + /* This is a _signed_ nibble(!) */ + + int val = nibble & 0x7; + if(nibble & 0x08) + val = -((0x7 & ~val) +1); + printk("^%d", val); + } + } + } + printk(")\n"); + } + } + tab(n); printk("Report Size(%u)\n", field->report_size); + tab(n); printk("Report Count(%u)\n", field->report_count); + tab(n); printk("Report Offset(%u)\n", field->report_offset); + + tab(n); printk("Flags( "); + j = field->flags; + printk("%s", HID_MAIN_ITEM_CONSTANT & j ? "Constant " : ""); + printk("%s", HID_MAIN_ITEM_VARIABLE & j ? "Variable " : "Array "); + printk("%s", HID_MAIN_ITEM_RELATIVE & j ? "Relative " : "Absolute "); + printk("%s", HID_MAIN_ITEM_WRAP & j ? "Wrap " : ""); + printk("%s", HID_MAIN_ITEM_NONLINEAR & j ? "NonLinear " : ""); + printk("%s", HID_MAIN_ITEM_NO_PREFERRED & j ? "NoPreferredState " : ""); + printk("%s", HID_MAIN_ITEM_NULL_STATE & j ? "NullState " : ""); + printk("%s", HID_MAIN_ITEM_VOLATILE & j ? "Volatile " : ""); + printk("%s", HID_MAIN_ITEM_BUFFERED_BYTE & j ? "BufferedByte " : ""); + printk(")\n"); +} +EXPORT_SYMBOL_GPL(hid_dump_field); + +void hid_dump_device(struct hid_device *device) { + struct hid_report_enum *report_enum; + struct hid_report *report; + struct list_head *list; + unsigned i,k; + static const char *table[] = {"INPUT", "OUTPUT", "FEATURE"}; + + if (!hid_debug) + return; + + for (i = 0; i < HID_REPORT_TYPES; i++) { + report_enum = device->report_enum + i; + list = report_enum->report_list.next; + while (list != &report_enum->report_list) { + report = (struct hid_report *) list; + tab(2); + printk("%s", table[i]); + if (report->id) + printk("(%d)", report->id); + printk("[%s]", table[report->type]); + printk("\n"); + for (k = 0; k < report->maxfield; k++) { + tab(4); + printk("Field(%d)\n", k); + hid_dump_field(report->field[k], 6); + } + list = list->next; + } + } +} +EXPORT_SYMBOL_GPL(hid_dump_device); + +void hid_dump_input(struct hid_usage *usage, __s32 value) { + if (hid_debug < 2) + return; + + printk(KERN_DEBUG "hid-debug: input "); + hid_resolv_usage(usage->hid); + printk(" = %d\n", value); +} +EXPORT_SYMBOL_GPL(hid_dump_input); + +static const char *events[EV_MAX + 1] = { + [EV_SYN] = "Sync", [EV_KEY] = "Key", + [EV_REL] = "Relative", [EV_ABS] = "Absolute", + [EV_MSC] = "Misc", [EV_LED] = "LED", + [EV_SND] = "Sound", [EV_REP] = "Repeat", + [EV_FF] = "ForceFeedback", [EV_PWR] = "Power", + [EV_FF_STATUS] = "ForceFeedbackStatus", +}; + +static const char *syncs[2] = { + [SYN_REPORT] = "Report", [SYN_CONFIG] = "Config", +}; +static const char *keys[KEY_MAX + 1] = { + [KEY_RESERVED] = "Reserved", [KEY_ESC] = "Esc", + [KEY_1] = "1", [KEY_2] = "2", + [KEY_3] = "3", [KEY_4] = "4", + [KEY_5] = "5", [KEY_6] = "6", + [KEY_7] = "7", [KEY_8] = "8", + [KEY_9] = "9", [KEY_0] = "0", + [KEY_MINUS] = "Minus", [KEY_EQUAL] = "Equal", + [KEY_BACKSPACE] = "Backspace", [KEY_TAB] = "Tab", + [KEY_Q] = "Q", [KEY_W] = "W", + [KEY_E] = "E", [KEY_R] = "R", + [KEY_T] = "T", [KEY_Y] = "Y", + [KEY_U] = "U", [KEY_I] = "I", + [KEY_O] = "O", [KEY_P] = "P", + [KEY_LEFTBRACE] = "LeftBrace", [KEY_RIGHTBRACE] = "RightBrace", + [KEY_ENTER] = "Enter", [KEY_LEFTCTRL] = "LeftControl", + [KEY_A] = "A", [KEY_S] = "S", + [KEY_D] = "D", [KEY_F] = "F", + [KEY_G] = "G", [KEY_H] = "H", + [KEY_J] = "J", [KEY_K] = "K", + [KEY_L] = "L", [KEY_SEMICOLON] = "Semicolon", + [KEY_APOSTROPHE] = "Apostrophe", [KEY_GRAVE] = "Grave", + [KEY_LEFTSHIFT] = "LeftShift", [KEY_BACKSLASH] = "BackSlash", + [KEY_Z] = "Z", [KEY_X] = "X", + [KEY_C] = "C", [KEY_V] = "V", + [KEY_B] = "B", [KEY_N] = "N", + [KEY_M] = "M", [KEY_COMMA] = "Comma", + [KEY_DOT] = "Dot", [KEY_SLASH] = "Slash", + [KEY_RIGHTSHIFT] = "RightShift", [KEY_KPASTERISK] = "KPAsterisk", + [KEY_LEFTALT] = "LeftAlt", [KEY_SPACE] = "Space", + [KEY_CAPSLOCK] = "CapsLock", [KEY_F1] = "F1", + [KEY_F2] = "F2", [KEY_F3] = "F3", + [KEY_F4] = "F4", [KEY_F5] = "F5", + [KEY_F6] = "F6", [KEY_F7] = "F7", + [KEY_F8] = "F8", [KEY_F9] = "F9", + [KEY_F10] = "F10", [KEY_NUMLOCK] = "NumLock", + [KEY_SCROLLLOCK] = "ScrollLock", [KEY_KP7] = "KP7", + [KEY_KP8] = "KP8", [KEY_KP9] = "KP9", + [KEY_KPMINUS] = "KPMinus", [KEY_KP4] = "KP4", + [KEY_KP5] = "KP5", [KEY_KP6] = "KP6", + [KEY_KPPLUS] = "KPPlus", [KEY_KP1] = "KP1", + [KEY_KP2] = "KP2", [KEY_KP3] = "KP3", + [KEY_KP0] = "KP0", [KEY_KPDOT] = "KPDot", + [KEY_ZENKAKUHANKAKU] = "Zenkaku/Hankaku", [KEY_102ND] = "102nd", + [KEY_F11] = "F11", [KEY_F12] = "F12", + [KEY_RO] = "RO", [KEY_KATAKANA] = "Katakana", + [KEY_HIRAGANA] = "HIRAGANA", [KEY_HENKAN] = "Henkan", + [KEY_KATAKANAHIRAGANA] = "Katakana/Hiragana", [KEY_MUHENKAN] = "Muhenkan", + [KEY_KPJPCOMMA] = "KPJpComma", [KEY_KPENTER] = "KPEnter", + [KEY_RIGHTCTRL] = "RightCtrl", [KEY_KPSLASH] = "KPSlash", + [KEY_SYSRQ] = "SysRq", [KEY_RIGHTALT] = "RightAlt", + [KEY_LINEFEED] = "LineFeed", [KEY_HOME] = "Home", + [KEY_UP] = "Up", [KEY_PAGEUP] = "PageUp", + [KEY_LEFT] = "Left", [KEY_RIGHT] = "Right", + [KEY_END] = "End", [KEY_DOWN] = "Down", + [KEY_PAGEDOWN] = "PageDown", [KEY_INSERT] = "Insert", + [KEY_DELETE] = "Delete", [KEY_MACRO] = "Macro", + [KEY_MUTE] = "Mute", [KEY_VOLUMEDOWN] = "VolumeDown", + [KEY_VOLUMEUP] = "VolumeUp", [KEY_POWER] = "Power", + [KEY_KPEQUAL] = "KPEqual", [KEY_KPPLUSMINUS] = "KPPlusMinus", + [KEY_PAUSE] = "Pause", [KEY_KPCOMMA] = "KPComma", + [KEY_HANGUEL] = "Hangeul", [KEY_HANJA] = "Hanja", + [KEY_YEN] = "Yen", [KEY_LEFTMETA] = "LeftMeta", + [KEY_RIGHTMETA] = "RightMeta", [KEY_COMPOSE] = "Compose", + [KEY_STOP] = "Stop", [KEY_AGAIN] = "Again", + [KEY_PROPS] = "Props", [KEY_UNDO] = "Undo", + [KEY_FRONT] = "Front", [KEY_COPY] = "Copy", + [KEY_OPEN] = "Open", [KEY_PASTE] = "Paste", + [KEY_FIND] = "Find", [KEY_CUT] = "Cut", + [KEY_HELP] = "Help", [KEY_MENU] = "Menu", + [KEY_CALC] = "Calc", [KEY_SETUP] = "Setup", + [KEY_SLEEP] = "Sleep", [KEY_WAKEUP] = "WakeUp", + [KEY_FILE] = "File", [KEY_SENDFILE] = "SendFile", + [KEY_DELETEFILE] = "DeleteFile", [KEY_XFER] = "X-fer", + [KEY_PROG1] = "Prog1", [KEY_PROG2] = "Prog2", + [KEY_WWW] = "WWW", [KEY_MSDOS] = "MSDOS", + [KEY_COFFEE] = "Coffee", [KEY_DIRECTION] = "Direction", + [KEY_CYCLEWINDOWS] = "CycleWindows", [KEY_MAIL] = "Mail", + [KEY_BOOKMARKS] = "Bookmarks", [KEY_COMPUTER] = "Computer", + [KEY_BACK] = "Back", [KEY_FORWARD] = "Forward", + [KEY_CLOSECD] = "CloseCD", [KEY_EJECTCD] = "EjectCD", + [KEY_EJECTCLOSECD] = "EjectCloseCD", [KEY_NEXTSONG] = "NextSong", + [KEY_PLAYPAUSE] = "PlayPause", [KEY_PREVIOUSSONG] = "PreviousSong", + [KEY_STOPCD] = "StopCD", [KEY_RECORD] = "Record", + [KEY_REWIND] = "Rewind", [KEY_PHONE] = "Phone", + [KEY_ISO] = "ISOKey", [KEY_CONFIG] = "Config", + [KEY_HOMEPAGE] = "HomePage", [KEY_REFRESH] = "Refresh", + [KEY_EXIT] = "Exit", [KEY_MOVE] = "Move", + [KEY_EDIT] = "Edit", [KEY_SCROLLUP] = "ScrollUp", + [KEY_SCROLLDOWN] = "ScrollDown", [KEY_KPLEFTPAREN] = "KPLeftParenthesis", + [KEY_KPRIGHTPAREN] = "KPRightParenthesis", [KEY_NEW] = "New", + [KEY_REDO] = "Redo", [KEY_F13] = "F13", + [KEY_F14] = "F14", [KEY_F15] = "F15", + [KEY_F16] = "F16", [KEY_F17] = "F17", + [KEY_F18] = "F18", [KEY_F19] = "F19", + [KEY_F20] = "F20", [KEY_F21] = "F21", + [KEY_F22] = "F22", [KEY_F23] = "F23", + [KEY_F24] = "F24", [KEY_PLAYCD] = "PlayCD", + [KEY_PAUSECD] = "PauseCD", [KEY_PROG3] = "Prog3", + [KEY_PROG4] = "Prog4", [KEY_SUSPEND] = "Suspend", + [KEY_CLOSE] = "Close", [KEY_PLAY] = "Play", + [KEY_FASTFORWARD] = "FastForward", [KEY_BASSBOOST] = "BassBoost", + [KEY_PRINT] = "Print", [KEY_HP] = "HP", + [KEY_CAMERA] = "Camera", [KEY_SOUND] = "Sound", + [KEY_QUESTION] = "Question", [KEY_EMAIL] = "Email", + [KEY_CHAT] = "Chat", [KEY_SEARCH] = "Search", + [KEY_CONNECT] = "Connect", [KEY_FINANCE] = "Finance", + [KEY_SPORT] = "Sport", [KEY_SHOP] = "Shop", + [KEY_ALTERASE] = "AlternateErase", [KEY_CANCEL] = "Cancel", + [KEY_BRIGHTNESSDOWN] = "BrightnessDown", [KEY_BRIGHTNESSUP] = "BrightnessUp", + [KEY_MEDIA] = "Media", [KEY_UNKNOWN] = "Unknown", + [BTN_0] = "Btn0", [BTN_1] = "Btn1", + [BTN_2] = "Btn2", [BTN_3] = "Btn3", + [BTN_4] = "Btn4", [BTN_5] = "Btn5", + [BTN_6] = "Btn6", [BTN_7] = "Btn7", + [BTN_8] = "Btn8", [BTN_9] = "Btn9", + [BTN_LEFT] = "LeftBtn", [BTN_RIGHT] = "RightBtn", + [BTN_MIDDLE] = "MiddleBtn", [BTN_SIDE] = "SideBtn", + [BTN_EXTRA] = "ExtraBtn", [BTN_FORWARD] = "ForwardBtn", + [BTN_BACK] = "BackBtn", [BTN_TASK] = "TaskBtn", + [BTN_TRIGGER] = "Trigger", [BTN_THUMB] = "ThumbBtn", + [BTN_THUMB2] = "ThumbBtn2", [BTN_TOP] = "TopBtn", + [BTN_TOP2] = "TopBtn2", [BTN_PINKIE] = "PinkieBtn", + [BTN_BASE] = "BaseBtn", [BTN_BASE2] = "BaseBtn2", + [BTN_BASE3] = "BaseBtn3", [BTN_BASE4] = "BaseBtn4", + [BTN_BASE5] = "BaseBtn5", [BTN_BASE6] = "BaseBtn6", + [BTN_DEAD] = "BtnDead", [BTN_A] = "BtnA", + [BTN_B] = "BtnB", [BTN_C] = "BtnC", + [BTN_X] = "BtnX", [BTN_Y] = "BtnY", + [BTN_Z] = "BtnZ", [BTN_TL] = "BtnTL", + [BTN_TR] = "BtnTR", [BTN_TL2] = "BtnTL2", + [BTN_TR2] = "BtnTR2", [BTN_SELECT] = "BtnSelect", + [BTN_START] = "BtnStart", [BTN_MODE] = "BtnMode", + [BTN_THUMBL] = "BtnThumbL", [BTN_THUMBR] = "BtnThumbR", + [BTN_TOOL_PEN] = "ToolPen", [BTN_TOOL_RUBBER] = "ToolRubber", + [BTN_TOOL_BRUSH] = "ToolBrush", [BTN_TOOL_PENCIL] = "ToolPencil", + [BTN_TOOL_AIRBRUSH] = "ToolAirbrush", [BTN_TOOL_FINGER] = "ToolFinger", + [BTN_TOOL_MOUSE] = "ToolMouse", [BTN_TOOL_LENS] = "ToolLens", + [BTN_TOUCH] = "Touch", [BTN_STYLUS] = "Stylus", + [BTN_STYLUS2] = "Stylus2", [BTN_TOOL_DOUBLETAP] = "ToolDoubleTap", + [BTN_TOOL_TRIPLETAP] = "ToolTripleTap", [BTN_GEAR_DOWN] = "WheelBtn", + [BTN_GEAR_UP] = "Gear up", [KEY_OK] = "Ok", + [KEY_SELECT] = "Select", [KEY_GOTO] = "Goto", + [KEY_CLEAR] = "Clear", [KEY_POWER2] = "Power2", + [KEY_OPTION] = "Option", [KEY_INFO] = "Info", + [KEY_TIME] = "Time", [KEY_VENDOR] = "Vendor", + [KEY_ARCHIVE] = "Archive", [KEY_PROGRAM] = "Program", + [KEY_CHANNEL] = "Channel", [KEY_FAVORITES] = "Favorites", + [KEY_EPG] = "EPG", [KEY_PVR] = "PVR", + [KEY_MHP] = "MHP", [KEY_LANGUAGE] = "Language", + [KEY_TITLE] = "Title", [KEY_SUBTITLE] = "Subtitle", + [KEY_ANGLE] = "Angle", [KEY_ZOOM] = "Zoom", + [KEY_MODE] = "Mode", [KEY_KEYBOARD] = "Keyboard", + [KEY_SCREEN] = "Screen", [KEY_PC] = "PC", + [KEY_TV] = "TV", [KEY_TV2] = "TV2", + [KEY_VCR] = "VCR", [KEY_VCR2] = "VCR2", + [KEY_SAT] = "Sat", [KEY_SAT2] = "Sat2", + [KEY_CD] = "CD", [KEY_TAPE] = "Tape", + [KEY_RADIO] = "Radio", [KEY_TUNER] = "Tuner", + [KEY_PLAYER] = "Player", [KEY_TEXT] = "Text", + [KEY_DVD] = "DVD", [KEY_AUX] = "Aux", + [KEY_MP3] = "MP3", [KEY_AUDIO] = "Audio", + [KEY_VIDEO] = "Video", [KEY_DIRECTORY] = "Directory", + [KEY_LIST] = "List", [KEY_MEMO] = "Memo", + [KEY_CALENDAR] = "Calendar", [KEY_RED] = "Red", + [KEY_GREEN] = "Green", [KEY_YELLOW] = "Yellow", + [KEY_BLUE] = "Blue", [KEY_CHANNELUP] = "ChannelUp", + [KEY_CHANNELDOWN] = "ChannelDown", [KEY_FIRST] = "First", + [KEY_LAST] = "Last", [KEY_AB] = "AB", + [KEY_NEXT] = "Next", [KEY_RESTART] = "Restart", + [KEY_SLOW] = "Slow", [KEY_SHUFFLE] = "Shuffle", + [KEY_BREAK] = "Break", [KEY_PREVIOUS] = "Previous", + [KEY_DIGITS] = "Digits", [KEY_TEEN] = "TEEN", + [KEY_TWEN] = "TWEN", [KEY_DEL_EOL] = "DeleteEOL", + [KEY_DEL_EOS] = "DeleteEOS", [KEY_INS_LINE] = "InsertLine", + [KEY_DEL_LINE] = "DeleteLine", + [KEY_SEND] = "Send", [KEY_REPLY] = "Reply", + [KEY_FORWARDMAIL] = "ForwardMail", [KEY_SAVE] = "Save", + [KEY_DOCUMENTS] = "Documents", [KEY_SPELLCHECK] = "SpellCheck", + [KEY_LOGOFF] = "Logoff", + [KEY_FN] = "Fn", [KEY_FN_ESC] = "Fn+ESC", + [KEY_FN_1] = "Fn+1", [KEY_FN_2] = "Fn+2", + [KEY_FN_B] = "Fn+B", [KEY_FN_D] = "Fn+D", + [KEY_FN_E] = "Fn+E", [KEY_FN_F] = "Fn+F", + [KEY_FN_S] = "Fn+S", + [KEY_FN_F1] = "Fn+F1", [KEY_FN_F2] = "Fn+F2", + [KEY_FN_F3] = "Fn+F3", [KEY_FN_F4] = "Fn+F4", + [KEY_FN_F5] = "Fn+F5", [KEY_FN_F6] = "Fn+F6", + [KEY_FN_F7] = "Fn+F7", [KEY_FN_F8] = "Fn+F8", + [KEY_FN_F9] = "Fn+F9", [KEY_FN_F10] = "Fn+F10", + [KEY_FN_F11] = "Fn+F11", [KEY_FN_F12] = "Fn+F12", + [KEY_KBDILLUMTOGGLE] = "KbdIlluminationToggle", + [KEY_KBDILLUMDOWN] = "KbdIlluminationDown", + [KEY_KBDILLUMUP] = "KbdIlluminationUp", + [KEY_SWITCHVIDEOMODE] = "SwitchVideoMode", +}; + +static const char *relatives[REL_MAX + 1] = { + [REL_X] = "X", [REL_Y] = "Y", + [REL_Z] = "Z", [REL_RX] = "Rx", + [REL_RY] = "Ry", [REL_RZ] = "Rz", + [REL_HWHEEL] = "HWheel", [REL_DIAL] = "Dial", + [REL_WHEEL] = "Wheel", [REL_MISC] = "Misc", +}; + +static const char *absolutes[ABS_MAX + 1] = { + [ABS_X] = "X", [ABS_Y] = "Y", + [ABS_Z] = "Z", [ABS_RX] = "Rx", + [ABS_RY] = "Ry", [ABS_RZ] = "Rz", + [ABS_THROTTLE] = "Throttle", [ABS_RUDDER] = "Rudder", + [ABS_WHEEL] = "Wheel", [ABS_GAS] = "Gas", + [ABS_BRAKE] = "Brake", [ABS_HAT0X] = "Hat0X", + [ABS_HAT0Y] = "Hat0Y", [ABS_HAT1X] = "Hat1X", + [ABS_HAT1Y] = "Hat1Y", [ABS_HAT2X] = "Hat2X", + [ABS_HAT2Y] = "Hat2Y", [ABS_HAT3X] = "Hat3X", + [ABS_HAT3Y] = "Hat 3Y", [ABS_PRESSURE] = "Pressure", + [ABS_DISTANCE] = "Distance", [ABS_TILT_X] = "XTilt", + [ABS_TILT_Y] = "YTilt", [ABS_TOOL_WIDTH] = "Tool Width", + [ABS_VOLUME] = "Volume", [ABS_MISC] = "Misc", +}; + +static const char *misc[MSC_MAX + 1] = { + [MSC_SERIAL] = "Serial", [MSC_PULSELED] = "Pulseled", + [MSC_GESTURE] = "Gesture", [MSC_RAW] = "RawData" +}; + +static const char *leds[LED_MAX + 1] = { + [LED_NUML] = "NumLock", [LED_CAPSL] = "CapsLock", + [LED_SCROLLL] = "ScrollLock", [LED_COMPOSE] = "Compose", + [LED_KANA] = "Kana", [LED_SLEEP] = "Sleep", + [LED_SUSPEND] = "Suspend", [LED_MUTE] = "Mute", + [LED_MISC] = "Misc", +}; + +static const char *repeats[REP_MAX + 1] = { + [REP_DELAY] = "Delay", [REP_PERIOD] = "Period" +}; + +static const char *sounds[SND_MAX + 1] = { + [SND_CLICK] = "Click", [SND_BELL] = "Bell", + [SND_TONE] = "Tone" +}; + +static const char **names[EV_MAX + 1] = { + [EV_SYN] = syncs, [EV_KEY] = keys, + [EV_REL] = relatives, [EV_ABS] = absolutes, + [EV_MSC] = misc, [EV_LED] = leds, + [EV_SND] = sounds, [EV_REP] = repeats, +}; + +void hid_resolv_event(__u8 type, __u16 code) { + + if (!hid_debug) + return; + + printk("%s.%s", events[type] ? events[type] : "?", + names[type] ? (names[type][code] ? names[type][code] : "?") : "?"); +} +EXPORT_SYMBOL_GPL(hid_resolv_event); diff --git a/drivers/hid/hid-dell.c b/drivers/hid/hid-dell.c new file mode 100644 index 0000000..f547430 --- /dev/null +++ b/drivers/hid/hid-dell.c @@ -0,0 +1,76 @@ +/* + * HID driver for some dell "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +static int dell_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + usbhid_set_leds(hdev); + + return 0; +err_free: + return ret; +} + +static const struct hid_device_id dell_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_W7658) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_SK8115) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GENERIC_13BA, USB_DEVICE_ID_GENERIC_13BA_KBD_MOUSE) }, + { } +}; +MODULE_DEVICE_TABLE(hid, dell_devices); + +static struct hid_driver dell_driver = { + .name = "dell", + .id_table = dell_devices, + .probe = dell_probe, +}; + +static int dell_init(void) +{ + return hid_register_driver(&dell_driver); +} + +static void dell_exit(void) +{ + hid_unregister_driver(&dell_driver); +} + +module_init(dell_init); +module_exit(dell_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(dell); diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c new file mode 100644 index 0000000..e148f86 --- /dev/null +++ b/drivers/hid/hid-dummy.c @@ -0,0 +1,72 @@ +#include <linux/autoconf.h> +#include <linux/module.h> +#include <linux/hid.h> + +static int __init hid_dummy_init(void) +{ +#ifdef CONFIG_HID_A4TECH_MODULE + HID_COMPAT_CALL_DRIVER(a4tech); +#endif +#ifdef CONFIG_HID_APPLE_MODULE + HID_COMPAT_CALL_DRIVER(apple); +#endif +#ifdef CONFIG_HID_BELKIN_MODULE + HID_COMPAT_CALL_DRIVER(belkin); +#endif +#ifdef CONFIG_HID_BRIGHT_MODULE + HID_COMPAT_CALL_DRIVER(bright); +#endif +#ifdef CONFIG_HID_CHERRY_MODULE + HID_COMPAT_CALL_DRIVER(cherry); +#endif +#ifdef CONFIG_HID_CHICONY_MODULE + HID_COMPAT_CALL_DRIVER(chicony); +#endif +#ifdef CONFIG_HID_CYPRESS_MODULE + HID_COMPAT_CALL_DRIVER(cypress); +#endif +#ifdef CONFIG_HID_DELL_MODULE + HID_COMPAT_CALL_DRIVER(dell); +#endif +#ifdef CONFIG_HID_EZKEY_MODULE + HID_COMPAT_CALL_DRIVER(ezkey); +#endif +#ifdef CONFIG_HID_GYRATION_MODULE + HID_COMPAT_CALL_DRIVER(gyration); +#endif +#ifdef CONFIG_HID_LOGITECH_MODULE + HID_COMPAT_CALL_DRIVER(logitech); +#endif +#ifdef CONFIG_HID_MICROSOFT_MODULE + HID_COMPAT_CALL_DRIVER(microsoft); +#endif +#ifdef CONFIG_HID_MONTEREY_MODULE + HID_COMPAT_CALL_DRIVER(monterey); +#endif +#ifdef CONFIG_HID_PANTHERLORD_MODULE + HID_COMPAT_CALL_DRIVER(pantherlord); +#endif +#ifdef CONFIG_HID_PETALYNX_MODULE + HID_COMPAT_CALL_DRIVER(petalynx); +#endif +#ifdef CONFIG_HID_SAMSUNG_MODULE + HID_COMPAT_CALL_DRIVER(samsung); +#endif +#ifdef CONFIG_HID_SONY_MODULE + HID_COMPAT_CALL_DRIVER(sony); +#endif +#ifdef CONFIG_HID_SUNPLUS_MODULE + HID_COMPAT_CALL_DRIVER(sunplus); +#endif +#ifdef CONFIG_THRUSTMASTER_FF_MODULE + HID_COMPAT_CALL_DRIVER(thrustmaster); +#endif +#ifdef CONFIG_ZEROPLUS_FF_MODULE + HID_COMPAT_CALL_DRIVER(zeroplus); +#endif + + return -EIO; +} +module_init(hid_dummy_init); + +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-ezkey.c b/drivers/hid/hid-ezkey.c new file mode 100644 index 0000000..deb42f9 --- /dev/null +++ b/drivers/hid/hid-ezkey.c @@ -0,0 +1,95 @@ +/* + * HID driver for some ezkey "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/input.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +#define ez_map_rel(c) hid_map_usage(hi, usage, bit, max, EV_REL, (c)) +#define ez_map_key(c) hid_map_usage(hi, usage, bit, max, EV_KEY, (c)) + +static int ez_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) + return 0; + + switch (usage->hid & HID_USAGE) { + case 0x230: ez_map_key(BTN_MOUSE); break; + case 0x231: ez_map_rel(REL_WHEEL); break; + /* + * this keyboard has a scrollwheel implemented in + * totally broken way. We map this usage temporarily + * to HWHEEL and handle it in the event quirk handler + */ + case 0x232: ez_map_rel(REL_HWHEEL); break; + default: + return 0; + } + return 1; +} + +static int ez_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || + !usage->type) + return 0; + + /* handle the temporary quirky mapping to HWHEEL */ + if (usage->type == EV_REL && usage->code == REL_HWHEEL) { + struct input_dev *input = field->hidinput->input; + input_event(input, usage->type, REL_WHEEL, -value); + return 1; + } + + return 0; +} + +static const struct hid_device_id ez_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, + { } +}; +MODULE_DEVICE_TABLE(hid, ez_devices); + +static struct hid_driver ez_driver = { + .name = "ezkey", + .id_table = ez_devices, + .input_mapping = ez_input_mapping, + .event = ez_event, +}; + +static int ez_init(void) +{ + return hid_register_driver(&ez_driver); +} + +static void ez_exit(void) +{ + hid_unregister_driver(&ez_driver); +} + +module_init(ez_init); +module_exit(ez_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(ezkey); diff --git a/drivers/hid/hid-gyration.c b/drivers/hid/hid-gyration.c new file mode 100644 index 0000000..04a0afe --- /dev/null +++ b/drivers/hid/hid-gyration.c @@ -0,0 +1,98 @@ +/* + * HID driver for some gyration "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + * Copyright (c) 2006-2008 Jiri Kosina + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/input.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +#define gy_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int gyration_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR) + return 0; + + set_bit(EV_REP, hi->input->evbit); + switch (usage->hid & HID_USAGE) { + /* Reported on Gyration MCE Remote */ + case 0x00d: gy_map_key_clear(KEY_HOME); break; + case 0x024: gy_map_key_clear(KEY_DVD); break; + case 0x025: gy_map_key_clear(KEY_PVR); break; + case 0x046: gy_map_key_clear(KEY_MEDIA); break; + case 0x047: gy_map_key_clear(KEY_MP3); break; + case 0x048: gy_map_key_clear(KEY_MEDIA); break; + case 0x049: gy_map_key_clear(KEY_CAMERA); break; + case 0x04a: gy_map_key_clear(KEY_VIDEO); break; + + default: + return 0; + } + return 1; +} + +static int gyration_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + struct input_dev *input = field->hidinput->input; + + if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK && + (usage->hid & 0xff) == 0x82) { + input_event(input, usage->type, usage->code, 1); + input_sync(input); + input_event(input, usage->type, usage->code, 0); + input_sync(input); + return 1; + } + + return 0; +} + +static const struct hid_device_id gyration_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) }, + { } +}; +MODULE_DEVICE_TABLE(hid, gyration_devices); + +static struct hid_driver gyration_driver = { + .name = "gyration", + .id_table = gyration_devices, + .input_mapping = gyration_input_mapping, + .event = gyration_event, +}; + +static int gyration_init(void) +{ + return hid_register_driver(&gyration_driver); +} + +static void gyration_exit(void) +{ + hid_unregister_driver(&gyration_driver); +} + +module_init(gyration_init); +module_exit(gyration_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(gyration); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h new file mode 100644 index 0000000..3928969 --- /dev/null +++ b/drivers/hid/hid-ids.h @@ -0,0 +1,417 @@ +/* + * USB HID quirks support for Linux + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#ifndef HID_IDS_H_FILE +#define HID_IDS_H_FILE + +#define USB_VENDOR_ID_A4TECH 0x09da +#define USB_DEVICE_ID_A4TECH_WCP32PU 0x0006 +#define USB_DEVICE_ID_A4TECH_X5_005D 0x000a + +#define USB_VENDOR_ID_AASHIMA 0x06d6 +#define USB_DEVICE_ID_AASHIMA_GAMEPAD 0x0025 +#define USB_DEVICE_ID_AASHIMA_PREDATOR 0x0026 + +#define USB_VENDOR_ID_ACECAD 0x0460 +#define USB_DEVICE_ID_ACECAD_FLAIR 0x0004 +#define USB_DEVICE_ID_ACECAD_302 0x0008 + +#define USB_VENDOR_ID_ADS_TECH 0x06e1 +#define USB_DEVICE_ID_ADS_TECH_RADIO_SI470X 0xa155 + +#define USB_VENDOR_ID_AFATECH 0x15a4 +#define USB_DEVICE_ID_AFATECH_AF9016 0x9016 + +#define USB_VENDOR_ID_AIPTEK 0x08ca +#define USB_DEVICE_ID_AIPTEK_01 0x0001 +#define USB_DEVICE_ID_AIPTEK_10 0x0010 +#define USB_DEVICE_ID_AIPTEK_20 0x0020 +#define USB_DEVICE_ID_AIPTEK_21 0x0021 +#define USB_DEVICE_ID_AIPTEK_22 0x0022 +#define USB_DEVICE_ID_AIPTEK_23 0x0023 +#define USB_DEVICE_ID_AIPTEK_24 0x0024 + +#define USB_VENDOR_ID_AIRCABLE 0x16CA +#define USB_DEVICE_ID_AIRCABLE1 0x1502 + +#define USB_VENDOR_ID_ALCOR 0x058f +#define USB_DEVICE_ID_ALCOR_USBRS232 0x9720 + +#define USB_VENDOR_ID_ALPS 0x0433 +#define USB_DEVICE_ID_IBM_GAMEPAD 0x1101 + +#define USB_VENDOR_ID_APPLE 0x05ac +#define USB_DEVICE_ID_APPLE_MIGHTYMOUSE 0x0304 +#define USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI 0x020e +#define USB_DEVICE_ID_APPLE_FOUNTAIN_ISO 0x020f +#define USB_DEVICE_ID_APPLE_GEYSER_ANSI 0x0214 +#define USB_DEVICE_ID_APPLE_GEYSER_ISO 0x0215 +#define USB_DEVICE_ID_APPLE_GEYSER_JIS 0x0216 +#define USB_DEVICE_ID_APPLE_GEYSER3_ANSI 0x0217 +#define USB_DEVICE_ID_APPLE_GEYSER3_ISO 0x0218 +#define USB_DEVICE_ID_APPLE_GEYSER3_JIS 0x0219 +#define USB_DEVICE_ID_APPLE_GEYSER4_ANSI 0x021a +#define USB_DEVICE_ID_APPLE_GEYSER4_ISO 0x021b +#define USB_DEVICE_ID_APPLE_GEYSER4_JIS 0x021c +#define USB_DEVICE_ID_APPLE_ALU_ANSI 0x0220 +#define USB_DEVICE_ID_APPLE_ALU_ISO 0x0221 +#define USB_DEVICE_ID_APPLE_ALU_JIS 0x0222 +#define USB_DEVICE_ID_APPLE_WELLSPRING_ANSI 0x0223 +#define USB_DEVICE_ID_APPLE_WELLSPRING_ISO 0x0224 +#define USB_DEVICE_ID_APPLE_WELLSPRING_JIS 0x0225 +#define USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI 0x0229 +#define USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO 0x022a +#define USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS 0x022b +#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI 0x022c +#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO 0x022d +#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS 0x022e +#define USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI 0x0230 +#define USB_DEVICE_ID_APPLE_WELLSPRING2_ISO 0x0231 +#define USB_DEVICE_ID_APPLE_WELLSPRING2_JIS 0x0232 +#define USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI 0x0236 +#define USB_DEVICE_ID_APPLE_WELLSPRING3_ISO 0x0237 +#define USB_DEVICE_ID_APPLE_WELLSPRING3_JIS 0x0238 +#define USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY 0x030a +#define USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY 0x030b +#define USB_DEVICE_ID_APPLE_ATV_IRCONTROL 0x8241 +#define USB_DEVICE_ID_APPLE_IRCONTROL4 0x8242 + +#define USB_VENDOR_ID_ASUS 0x0b05 +#define USB_DEVICE_ID_ASUS_LCM 0x1726 +#define USB_DEVICE_ID_ASUS_LCM2 0x175b + +#define USB_VENDOR_ID_ATEN 0x0557 +#define USB_DEVICE_ID_ATEN_UC100KM 0x2004 +#define USB_DEVICE_ID_ATEN_CS124U 0x2202 +#define USB_DEVICE_ID_ATEN_2PORTKVM 0x2204 +#define USB_DEVICE_ID_ATEN_4PORTKVM 0x2205 +#define USB_DEVICE_ID_ATEN_4PORTKVMC 0x2208 + +#define USB_VENDOR_ID_AVERMEDIA 0x07ca +#define USB_DEVICE_ID_AVER_FM_MR800 0xb800 + +#define USB_VENDOR_ID_BELKIN 0x050d +#define USB_DEVICE_ID_FLIP_KVM 0x3201 + +#define USB_VENDOR_ID_BRIGHT 0x1241 +#define USB_DEVICE_ID_BRIGHT_ABNT2 0x1503 + +#define USB_VENDOR_ID_BERKSHIRE 0x0c98 +#define USB_DEVICE_ID_BERKSHIRE_PCWD 0x1140 + +#define USB_VENDOR_ID_CHERRY 0x046a +#define USB_DEVICE_ID_CHERRY_CYMOTION 0x0023 + +#define USB_VENDOR_ID_CHIC 0x05fe +#define USB_DEVICE_ID_CHIC_GAMEPAD 0x0014 + +#define USB_VENDOR_ID_CHICONY 0x04f2 +#define USB_DEVICE_ID_CHICONY_TACTICAL_PAD 0x0418 + +#define USB_VENDOR_ID_CIDC 0x1677 + +#define USB_VENDOR_ID_CMEDIA 0x0d8c +#define USB_DEVICE_ID_CM109 0x000e + +#define USB_VENDOR_ID_CODEMERCS 0x07c0 +#define USB_DEVICE_ID_CODEMERCS_IOW_FIRST 0x1500 +#define USB_DEVICE_ID_CODEMERCS_IOW_LAST 0x15ff + +#define USB_VENDOR_ID_CYGNAL 0x10c4 +#define USB_DEVICE_ID_CYGNAL_RADIO_SI470X 0x818a + +#define USB_VENDOR_ID_CYPRESS 0x04b4 +#define USB_DEVICE_ID_CYPRESS_MOUSE 0x0001 +#define USB_DEVICE_ID_CYPRESS_HIDCOM 0x5500 +#define USB_DEVICE_ID_CYPRESS_ULTRAMOUSE 0x7417 +#define USB_DEVICE_ID_CYPRESS_BARCODE_1 0xde61 +#define USB_DEVICE_ID_CYPRESS_BARCODE_2 0xde64 + +#define USB_VENDOR_ID_DELL 0x413c +#define USB_DEVICE_ID_DELL_W7658 0x2005 +#define USB_DEVICE_ID_DELL_SK8115 0x2105 + +#define USB_VENDOR_ID_DELORME 0x1163 +#define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100 +#define USB_DEVICE_ID_DELORME_EM_LT20 0x0200 + +#define USB_VENDOR_ID_DMI 0x0c0b +#define USB_DEVICE_ID_DMI_ENC 0x5fab + +#define USB_VENDOR_ID_ELO 0x04E7 +#define USB_DEVICE_ID_ELO_TS2700 0x0020 + +#define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f +#define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100 + +#define USB_VENDOR_ID_EZKEY 0x0518 +#define USB_DEVICE_ID_BTC_8193 0x0002 + +#define USB_VENDOR_ID_GAMERON 0x0810 +#define USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR 0x0001 +#define USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR 0x0002 + +#define USB_VENDOR_ID_GENERAL_TOUCH 0x0dfc + +#define USB_VENDOR_ID_GENERIC_13BA 0x13ba +#define USB_DEVICE_ID_GENERIC_13BA_KBD_MOUSE 0x0017 + +#define USB_VENDOR_ID_GLAB 0x06c2 +#define USB_DEVICE_ID_4_PHIDGETSERVO_30 0x0038 +#define USB_DEVICE_ID_1_PHIDGETSERVO_30 0x0039 +#define USB_DEVICE_ID_0_0_4_IF_KIT 0x0040 +#define USB_DEVICE_ID_0_16_16_IF_KIT 0x0044 +#define USB_DEVICE_ID_8_8_8_IF_KIT 0x0045 +#define USB_DEVICE_ID_0_8_7_IF_KIT 0x0051 +#define USB_DEVICE_ID_0_8_8_IF_KIT 0x0053 +#define USB_DEVICE_ID_PHIDGET_MOTORCONTROL 0x0058 + +#define USB_VENDOR_ID_GOTOP 0x08f2 +#define USB_DEVICE_ID_SUPER_Q2 0x007f +#define USB_DEVICE_ID_GOGOPEN 0x00ce +#define USB_DEVICE_ID_PENPOWER 0x00f4 + +#define USB_VENDOR_ID_GREENASIA 0x0e8f + +#define USB_VENDOR_ID_GRETAGMACBETH 0x0971 +#define USB_DEVICE_ID_GRETAGMACBETH_HUEY 0x2005 + +#define USB_VENDOR_ID_GRIFFIN 0x077d +#define USB_DEVICE_ID_POWERMATE 0x0410 +#define USB_DEVICE_ID_SOUNDKNOB 0x04AA + +#define USB_VENDOR_ID_GTCO 0x078c +#define USB_DEVICE_ID_GTCO_90 0x0090 +#define USB_DEVICE_ID_GTCO_100 0x0100 +#define USB_DEVICE_ID_GTCO_101 0x0101 +#define USB_DEVICE_ID_GTCO_103 0x0103 +#define USB_DEVICE_ID_GTCO_104 0x0104 +#define USB_DEVICE_ID_GTCO_105 0x0105 +#define USB_DEVICE_ID_GTCO_106 0x0106 +#define USB_DEVICE_ID_GTCO_107 0x0107 +#define USB_DEVICE_ID_GTCO_108 0x0108 +#define USB_DEVICE_ID_GTCO_200 0x0200 +#define USB_DEVICE_ID_GTCO_201 0x0201 +#define USB_DEVICE_ID_GTCO_202 0x0202 +#define USB_DEVICE_ID_GTCO_203 0x0203 +#define USB_DEVICE_ID_GTCO_204 0x0204 +#define USB_DEVICE_ID_GTCO_205 0x0205 +#define USB_DEVICE_ID_GTCO_206 0x0206 +#define USB_DEVICE_ID_GTCO_207 0x0207 +#define USB_DEVICE_ID_GTCO_300 0x0300 +#define USB_DEVICE_ID_GTCO_301 0x0301 +#define USB_DEVICE_ID_GTCO_302 0x0302 +#define USB_DEVICE_ID_GTCO_303 0x0303 +#define USB_DEVICE_ID_GTCO_304 0x0304 +#define USB_DEVICE_ID_GTCO_305 0x0305 +#define USB_DEVICE_ID_GTCO_306 0x0306 +#define USB_DEVICE_ID_GTCO_307 0x0307 +#define USB_DEVICE_ID_GTCO_308 0x0308 +#define USB_DEVICE_ID_GTCO_309 0x0309 +#define USB_DEVICE_ID_GTCO_400 0x0400 +#define USB_DEVICE_ID_GTCO_401 0x0401 +#define USB_DEVICE_ID_GTCO_402 0x0402 +#define USB_DEVICE_ID_GTCO_403 0x0403 +#define USB_DEVICE_ID_GTCO_404 0x0404 +#define USB_DEVICE_ID_GTCO_405 0x0405 +#define USB_DEVICE_ID_GTCO_500 0x0500 +#define USB_DEVICE_ID_GTCO_501 0x0501 +#define USB_DEVICE_ID_GTCO_502 0x0502 +#define USB_DEVICE_ID_GTCO_503 0x0503 +#define USB_DEVICE_ID_GTCO_504 0x0504 +#define USB_DEVICE_ID_GTCO_1000 0x1000 +#define USB_DEVICE_ID_GTCO_1001 0x1001 +#define USB_DEVICE_ID_GTCO_1002 0x1002 +#define USB_DEVICE_ID_GTCO_1003 0x1003 +#define USB_DEVICE_ID_GTCO_1004 0x1004 +#define USB_DEVICE_ID_GTCO_1005 0x1005 +#define USB_DEVICE_ID_GTCO_1006 0x1006 +#define USB_DEVICE_ID_GTCO_1007 0x1007 + +#define USB_VENDOR_ID_GYRATION 0x0c16 +#define USB_DEVICE_ID_GYRATION_REMOTE 0x0002 +#define USB_DEVICE_ID_GYRATION_REMOTE_2 0x0003 + +#define USB_VENDOR_ID_HAPP 0x078b +#define USB_DEVICE_ID_UGCI_DRIVING 0x0010 +#define USB_DEVICE_ID_UGCI_FLYING 0x0020 +#define USB_DEVICE_ID_UGCI_FIGHTING 0x0030 + +#define USB_VENDOR_ID_IMATION 0x0718 +#define USB_DEVICE_ID_DISC_STAKKA 0xd000 + +#define USB_VENDOR_ID_KBGEAR 0x084e +#define USB_DEVICE_ID_KBGEAR_JAMSTUDIO 0x1001 + +#define USB_VENDOR_ID_KWORLD 0x1b80 +#define USB_DEVICE_ID_KWORLD_RADIO_FM700 0xd700 + +#define USB_VENDOR_ID_LABTEC 0x1020 +#define USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD 0x0006 + +#define USB_VENDOR_ID_LD 0x0f11 +#define USB_DEVICE_ID_LD_CASSY 0x1000 +#define USB_DEVICE_ID_LD_POCKETCASSY 0x1010 +#define USB_DEVICE_ID_LD_MOBILECASSY 0x1020 +#define USB_DEVICE_ID_LD_JWM 0x1080 +#define USB_DEVICE_ID_LD_DMMP 0x1081 +#define USB_DEVICE_ID_LD_UMIP 0x1090 +#define USB_DEVICE_ID_LD_XRAY1 0x1100 +#define USB_DEVICE_ID_LD_XRAY2 0x1101 +#define USB_DEVICE_ID_LD_VIDEOCOM 0x1200 +#define USB_DEVICE_ID_LD_COM3LAB 0x2000 +#define USB_DEVICE_ID_LD_TELEPORT 0x2010 +#define USB_DEVICE_ID_LD_NETWORKANALYSER 0x2020 +#define USB_DEVICE_ID_LD_POWERCONTROL 0x2030 +#define USB_DEVICE_ID_LD_MACHINETEST 0x2040 + +#define USB_VENDOR_ID_LOGITECH 0x046d +#define USB_DEVICE_ID_LOGITECH_RECEIVER 0xc101 +#define USB_DEVICE_ID_LOGITECH_HARMONY_FIRST 0xc110 +#define USB_DEVICE_ID_LOGITECH_HARMONY_LAST 0xc14f +#define USB_DEVICE_ID_LOGITECH_RUMBLEPAD 0xc211 +#define USB_DEVICE_ID_LOGITECH_EXTREME_3D 0xc215 +#define USB_DEVICE_ID_LOGITECH_RUMBLEPAD2 0xc218 +#define USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2 0xc219 +#define USB_DEVICE_ID_LOGITECH_WINGMAN_F3D 0xc283 +#define USB_DEVICE_ID_LOGITECH_FORCE3D_PRO 0xc286 +#define USB_DEVICE_ID_LOGITECH_WHEEL 0xc294 +#define USB_DEVICE_ID_LOGITECH_MOMO_WHEEL 0xc295 +#define USB_DEVICE_ID_LOGITECH_ELITE_KBD 0xc30a +#define USB_DEVICE_ID_LOGITECH_KBD 0xc311 +#define USB_DEVICE_ID_S510_RECEIVER 0xc50c +#define USB_DEVICE_ID_S510_RECEIVER_2 0xc517 +#define USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500 0xc512 +#define USB_DEVICE_ID_MX3000_RECEIVER 0xc513 +#define USB_DEVICE_ID_DINOVO_DESKTOP 0xc704 +#define USB_DEVICE_ID_DINOVO_EDGE 0xc714 +#define USB_DEVICE_ID_DINOVO_MINI 0xc71f +#define USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2 0xca03 + +#define USB_VENDOR_ID_MCC 0x09db +#define USB_DEVICE_ID_MCC_PMD1024LS 0x0076 +#define USB_DEVICE_ID_MCC_PMD1208LS 0x007a + +#define USB_VENDOR_ID_MGE 0x0463 +#define USB_DEVICE_ID_MGE_UPS 0xffff +#define USB_DEVICE_ID_MGE_UPS1 0x0001 + +#define USB_VENDOR_ID_MICROCHIP 0x04d8 +#define USB_DEVICE_ID_PICKIT1 0x0032 +#define USB_DEVICE_ID_PICKIT2 0x0033 + +#define USB_VENDOR_ID_MICROSOFT 0x045e +#define USB_DEVICE_ID_SIDEWINDER_GV 0x003b +#define USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0 0x009d +#define USB_DEVICE_ID_MS_NE4K 0x00db +#define USB_DEVICE_ID_MS_LK6K 0x00f9 +#define USB_DEVICE_ID_MS_PRESENTER_8K_BT 0x0701 +#define USB_DEVICE_ID_MS_PRESENTER_8K_USB 0x0713 + + +#define USB_VENDOR_ID_MONTEREY 0x0566 +#define USB_DEVICE_ID_GENIUS_KB29E 0x3004 + +#define USB_VENDOR_ID_NCR 0x0404 +#define USB_DEVICE_ID_NCR_FIRST 0x0300 +#define USB_DEVICE_ID_NCR_LAST 0x03ff + +#define USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR 0x0400 +#define USB_DEVICE_ID_N_S_HARMONY 0xc359 + +#define USB_VENDOR_ID_NATSU 0x08b7 +#define USB_DEVICE_ID_NATSU_GAMEPAD 0x0001 + +#define USB_VENDOR_ID_NEC 0x073e +#define USB_DEVICE_ID_NEC_USB_GAME_PAD 0x0301 + +#define USB_VENDOR_ID_ONTRAK 0x0a07 +#define USB_DEVICE_ID_ONTRAK_ADU100 0x0064 + +#define USB_VENDOR_ID_PANJIT 0x134c + +#define USB_VENDOR_ID_PANTHERLORD 0x0810 +#define USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK 0x0001 + +#define USB_VENDOR_ID_PETALYNX 0x18b1 +#define USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE 0x0037 + +#define USB_VENDOR_ID_PLAYDOTCOM 0x0b43 +#define USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII 0x0003 + +#define USB_VENDOR_ID_SAITEK 0x06a3 +#define USB_DEVICE_ID_SAITEK_RUMBLEPAD 0xff17 + +#define USB_VENDOR_ID_SAMSUNG 0x0419 +#define USB_DEVICE_ID_SAMSUNG_IR_REMOTE 0x0001 + +#define USB_VENDOR_ID_SONY 0x054c +#define USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE 0x024b +#define USB_DEVICE_ID_SONY_PS3_CONTROLLER 0x0268 + +#define USB_VENDOR_ID_SOUNDGRAPH 0x15c2 +#define USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD 0x0038 +#define USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD2 0x0036 +#define USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD3 0x0034 + +#define USB_VENDOR_ID_SUN 0x0430 +#define USB_DEVICE_ID_RARITAN_KVM_DONGLE 0xcdab + +#define USB_VENDOR_ID_SUNPLUS 0x04fc +#define USB_DEVICE_ID_SUNPLUS_WDESKTOP 0x05d8 + +#define USB_VENDOR_ID_TENX 0x1130 +#define USB_DEVICE_ID_TENX_IBUDDY1 0x0001 +#define USB_DEVICE_ID_TENX_IBUDDY2 0x0002 + +#define USB_VENDOR_ID_THRUSTMASTER 0x044f + +#define USB_VENDOR_ID_TOPMAX 0x0663 +#define USB_DEVICE_ID_TOPMAX_COBRAPAD 0x0103 + +#define USB_VENDOR_ID_TURBOX 0x062a +#define USB_DEVICE_ID_TURBOX_KEYBOARD 0x0201 + +#define USB_VENDOR_ID_VERNIER 0x08f7 +#define USB_DEVICE_ID_VERNIER_LABPRO 0x0001 +#define USB_DEVICE_ID_VERNIER_GOTEMP 0x0002 +#define USB_DEVICE_ID_VERNIER_SKIP 0x0003 +#define USB_DEVICE_ID_VERNIER_CYCLOPS 0x0004 +#define USB_DEVICE_ID_VERNIER_LCSPEC 0x0006 + +#define USB_VENDOR_ID_WACOM 0x056a + +#define USB_VENDOR_ID_WISEGROUP 0x0925 +#define USB_DEVICE_ID_1_PHIDGETSERVO_20 0x8101 +#define USB_DEVICE_ID_4_PHIDGETSERVO_20 0x8104 +#define USB_DEVICE_ID_8_8_4_IF_KIT 0x8201 +#define USB_DEVICE_ID_QUAD_USB_JOYPAD 0x8800 +#define USB_DEVICE_ID_DUAL_USB_JOYPAD 0x8866 + +#define USB_VENDOR_ID_WISEGROUP_LTD 0x6666 +#define USB_VENDOR_ID_WISEGROUP_LTD2 0x6677 +#define USB_DEVICE_ID_SMARTJOY_DUAL_PLUS 0x8802 + +#define USB_VENDOR_ID_YEALINK 0x6993 +#define USB_DEVICE_ID_YEALINK_P1K_P4K_B2K 0xb001 + +#define USB_VENDOR_ID_ZEROPLUS 0x0c12 + +#define USB_VENDOR_ID_KYE 0x0458 +#define USB_DEVICE_ID_KYE_GPEN_560 0x5003 + +#endif diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c new file mode 100644 index 0000000..7f183b7 --- /dev/null +++ b/drivers/hid/hid-input.c @@ -0,0 +1,810 @@ +/* + * Copyright (c) 2000-2001 Vojtech Pavlik + * Copyright (c) 2006-2007 Jiri Kosina + * + * HID to Linux Input mapping + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/kernel.h> + +#include <linux/hid.h> +#include <linux/hid-debug.h> + +#define unk KEY_UNKNOWN + +static const unsigned char hid_keyboard[256] = { + 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38, + 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3, + 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26, + 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64, + 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106, + 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71, + 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190, + 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113, + 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk, + 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, + unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, + unk,unk,unk,unk,unk,unk,179,180,unk,unk,unk,unk,unk,unk,unk,unk, + unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, + unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk, + 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113, + 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk +}; + +static const struct { + __s32 x; + __s32 y; +} hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}}; + +#define map_abs(c) hid_map_usage(hidinput, usage, &bit, &max, EV_ABS, (c)) +#define map_rel(c) hid_map_usage(hidinput, usage, &bit, &max, EV_REL, (c)) +#define map_key(c) hid_map_usage(hidinput, usage, &bit, &max, EV_KEY, (c)) +#define map_led(c) hid_map_usage(hidinput, usage, &bit, &max, EV_LED, (c)) + +#define map_abs_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \ + &max, EV_ABS, (c)) +#define map_key_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \ + &max, EV_KEY, (c)) + +static inline int match_scancode(int code, int scancode) +{ + if (scancode == 0) + return 1; + return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode); +} + +static inline int match_keycode(int code, int keycode) +{ + if (keycode == 0) + return 1; + return (code == keycode); +} + +static struct hid_usage *hidinput_find_key(struct hid_device *hid, + int scancode, int keycode) +{ + int i, j, k; + struct hid_report *report; + struct hid_usage *usage; + + for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) { + list_for_each_entry(report, &hid->report_enum[k].report_list, list) { + for (i = 0; i < report->maxfield; i++) { + for ( j = 0; j < report->field[i]->maxusage; j++) { + usage = report->field[i]->usage + j; + if (usage->type == EV_KEY && + match_scancode(usage->hid, scancode) && + match_keycode(usage->code, keycode)) + return usage; + } + } + } + } + return NULL; +} + +static int hidinput_getkeycode(struct input_dev *dev, int scancode, + int *keycode) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct hid_usage *usage; + + usage = hidinput_find_key(hid, scancode, 0); + if (usage) { + *keycode = usage->code; + return 0; + } + return -EINVAL; +} + +static int hidinput_setkeycode(struct input_dev *dev, int scancode, + int keycode) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct hid_usage *usage; + int old_keycode; + + if (keycode < 0 || keycode > KEY_MAX) + return -EINVAL; + + usage = hidinput_find_key(hid, scancode, 0); + if (usage) { + old_keycode = usage->code; + usage->code = keycode; + + clear_bit(old_keycode, dev->keybit); + set_bit(usage->code, dev->keybit); + dbg_hid(KERN_DEBUG "Assigned keycode %d to HID usage code %x\n", keycode, scancode); + /* Set the keybit for the old keycode if the old keycode is used + * by another key */ + if (hidinput_find_key (hid, 0, old_keycode)) + set_bit(old_keycode, dev->keybit); + + return 0; + } + + return -EINVAL; +} + + +static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field, + struct hid_usage *usage) +{ + struct input_dev *input = hidinput->input; + struct hid_device *device = input_get_drvdata(input); + int max = 0, code; + unsigned long *bit = NULL; + + field->hidinput = hidinput; + + dbg_hid("Mapping: "); + hid_resolv_usage(usage->hid); + dbg_hid_line(" ---> "); + + if (field->flags & HID_MAIN_ITEM_CONSTANT) + goto ignore; + + /* only LED usages are supported in output fields */ + if (field->report_type == HID_OUTPUT_REPORT && + (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) { + dbg_hid_line(" [non-LED output field] "); + goto ignore; + } + + if (device->driver->input_mapping) { + int ret = device->driver->input_mapping(device, hidinput, field, + usage, &bit, &max); + if (ret > 0) + goto mapped; + if (ret < 0) + goto ignore; + } + + switch (usage->hid & HID_USAGE_PAGE) { + case HID_UP_UNDEFINED: + goto ignore; + + case HID_UP_KEYBOARD: + set_bit(EV_REP, input->evbit); + + if ((usage->hid & HID_USAGE) < 256) { + if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore; + map_key_clear(hid_keyboard[usage->hid & HID_USAGE]); + } else + map_key(KEY_UNKNOWN); + + break; + + case HID_UP_BUTTON: + code = ((usage->hid - 1) & 0xf); + + switch (field->application) { + case HID_GD_MOUSE: + case HID_GD_POINTER: code += 0x110; break; + case HID_GD_JOYSTICK: code += 0x120; break; + case HID_GD_GAMEPAD: code += 0x130; break; + default: + switch (field->physical) { + case HID_GD_MOUSE: + case HID_GD_POINTER: code += 0x110; break; + case HID_GD_JOYSTICK: code += 0x120; break; + case HID_GD_GAMEPAD: code += 0x130; break; + default: code += 0x100; + } + } + + map_key(code); + break; + + case HID_UP_SIMULATION: + switch (usage->hid & 0xffff) { + case 0xba: map_abs(ABS_RUDDER); break; + case 0xbb: map_abs(ABS_THROTTLE); break; + case 0xc4: map_abs(ABS_GAS); break; + case 0xc5: map_abs(ABS_BRAKE); break; + case 0xc8: map_abs(ABS_WHEEL); break; + default: goto ignore; + } + break; + + case HID_UP_GENDESK: + if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */ + switch (usage->hid & 0xf) { + case 0x1: map_key_clear(KEY_POWER); break; + case 0x2: map_key_clear(KEY_SLEEP); break; + case 0x3: map_key_clear(KEY_WAKEUP); break; + default: goto unknown; + } + break; + } + + if ((usage->hid & 0xf0) == 0x90) { /* D-pad */ + switch (usage->hid) { + case HID_GD_UP: usage->hat_dir = 1; break; + case HID_GD_DOWN: usage->hat_dir = 5; break; + case HID_GD_RIGHT: usage->hat_dir = 3; break; + case HID_GD_LEFT: usage->hat_dir = 7; break; + default: goto unknown; + } + if (field->dpad) { + map_abs(field->dpad); + goto ignore; + } + map_abs(ABS_HAT0X); + break; + } + + switch (usage->hid) { + /* These usage IDs map directly to the usage codes. */ + case HID_GD_X: case HID_GD_Y: case HID_GD_Z: + case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ: + case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL: + if (field->flags & HID_MAIN_ITEM_RELATIVE) + map_rel(usage->hid & 0xf); + else + map_abs(usage->hid & 0xf); + break; + + case HID_GD_HATSWITCH: + usage->hat_min = field->logical_minimum; + usage->hat_max = field->logical_maximum; + map_abs(ABS_HAT0X); + break; + + case HID_GD_START: map_key_clear(BTN_START); break; + case HID_GD_SELECT: map_key_clear(BTN_SELECT); break; + + default: goto unknown; + } + + break; + + case HID_UP_LED: + switch (usage->hid & 0xffff) { /* HID-Value: */ + case 0x01: map_led (LED_NUML); break; /* "Num Lock" */ + case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */ + case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */ + case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */ + case 0x05: map_led (LED_KANA); break; /* "Kana" */ + case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */ + case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */ + case 0x09: map_led (LED_MUTE); break; /* "Mute" */ + case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */ + case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */ + case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */ + + default: goto ignore; + } + break; + + case HID_UP_DIGITIZER: + switch (usage->hid & 0xff) { + case 0x30: /* TipPressure */ + if (!test_bit(BTN_TOUCH, input->keybit)) { + device->quirks |= HID_QUIRK_NOTOUCH; + set_bit(EV_KEY, input->evbit); + set_bit(BTN_TOUCH, input->keybit); + } + map_abs_clear(ABS_PRESSURE); + break; + + case 0x32: /* InRange */ + switch (field->physical & 0xff) { + case 0x21: map_key(BTN_TOOL_MOUSE); break; + case 0x22: map_key(BTN_TOOL_FINGER); break; + default: map_key(BTN_TOOL_PEN); break; + } + break; + + case 0x3c: /* Invert */ + map_key_clear(BTN_TOOL_RUBBER); + break; + + case 0x33: /* Touch */ + case 0x42: /* TipSwitch */ + case 0x43: /* TipSwitch2 */ + device->quirks &= ~HID_QUIRK_NOTOUCH; + map_key_clear(BTN_TOUCH); + break; + + case 0x44: /* BarrelSwitch */ + map_key_clear(BTN_STYLUS); + break; + + default: goto unknown; + } + break; + + case HID_UP_CONSUMER: /* USB HUT v1.1, pages 56-62 */ + switch (usage->hid & HID_USAGE) { + case 0x000: goto ignore; + case 0x034: map_key_clear(KEY_SLEEP); break; + case 0x036: map_key_clear(BTN_MISC); break; + + case 0x040: map_key_clear(KEY_MENU); break; + case 0x045: map_key_clear(KEY_RADIO); break; + + case 0x083: map_key_clear(KEY_LAST); break; + case 0x088: map_key_clear(KEY_PC); break; + case 0x089: map_key_clear(KEY_TV); break; + case 0x08a: map_key_clear(KEY_WWW); break; + case 0x08b: map_key_clear(KEY_DVD); break; + case 0x08c: map_key_clear(KEY_PHONE); break; + case 0x08d: map_key_clear(KEY_PROGRAM); break; + case 0x08e: map_key_clear(KEY_VIDEOPHONE); break; + case 0x08f: map_key_clear(KEY_GAMES); break; + case 0x090: map_key_clear(KEY_MEMO); break; + case 0x091: map_key_clear(KEY_CD); break; + case 0x092: map_key_clear(KEY_VCR); break; + case 0x093: map_key_clear(KEY_TUNER); break; + case 0x094: map_key_clear(KEY_EXIT); break; + case 0x095: map_key_clear(KEY_HELP); break; + case 0x096: map_key_clear(KEY_TAPE); break; + case 0x097: map_key_clear(KEY_TV2); break; + case 0x098: map_key_clear(KEY_SAT); break; + case 0x09a: map_key_clear(KEY_PVR); break; + + case 0x09c: map_key_clear(KEY_CHANNELUP); break; + case 0x09d: map_key_clear(KEY_CHANNELDOWN); break; + case 0x0a0: map_key_clear(KEY_VCR2); break; + + case 0x0b0: map_key_clear(KEY_PLAY); break; + case 0x0b1: map_key_clear(KEY_PAUSE); break; + case 0x0b2: map_key_clear(KEY_RECORD); break; + case 0x0b3: map_key_clear(KEY_FASTFORWARD); break; + case 0x0b4: map_key_clear(KEY_REWIND); break; + case 0x0b5: map_key_clear(KEY_NEXTSONG); break; + case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break; + case 0x0b7: map_key_clear(KEY_STOPCD); break; + case 0x0b8: map_key_clear(KEY_EJECTCD); break; + case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT); break; + + case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break; + case 0x0e0: map_abs_clear(ABS_VOLUME); break; + case 0x0e2: map_key_clear(KEY_MUTE); break; + case 0x0e5: map_key_clear(KEY_BASSBOOST); break; + case 0x0e9: map_key_clear(KEY_VOLUMEUP); break; + case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break; + + case 0x182: map_key_clear(KEY_BOOKMARKS); break; + case 0x183: map_key_clear(KEY_CONFIG); break; + case 0x184: map_key_clear(KEY_WORDPROCESSOR); break; + case 0x185: map_key_clear(KEY_EDITOR); break; + case 0x186: map_key_clear(KEY_SPREADSHEET); break; + case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break; + case 0x188: map_key_clear(KEY_PRESENTATION); break; + case 0x189: map_key_clear(KEY_DATABASE); break; + case 0x18a: map_key_clear(KEY_MAIL); break; + case 0x18b: map_key_clear(KEY_NEWS); break; + case 0x18c: map_key_clear(KEY_VOICEMAIL); break; + case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break; + case 0x18e: map_key_clear(KEY_CALENDAR); break; + case 0x191: map_key_clear(KEY_FINANCE); break; + case 0x192: map_key_clear(KEY_CALC); break; + case 0x194: map_key_clear(KEY_FILE); break; + case 0x196: map_key_clear(KEY_WWW); break; + case 0x19c: map_key_clear(KEY_LOGOFF); break; + case 0x19e: map_key_clear(KEY_COFFEE); break; + case 0x1a6: map_key_clear(KEY_HELP); break; + case 0x1a7: map_key_clear(KEY_DOCUMENTS); break; + case 0x1ab: map_key_clear(KEY_SPELLCHECK); break; + case 0x1b6: map_key_clear(KEY_MEDIA); break; + case 0x1b7: map_key_clear(KEY_SOUND); break; + case 0x1bc: map_key_clear(KEY_MESSENGER); break; + case 0x1bd: map_key_clear(KEY_INFO); break; + case 0x201: map_key_clear(KEY_NEW); break; + case 0x202: map_key_clear(KEY_OPEN); break; + case 0x203: map_key_clear(KEY_CLOSE); break; + case 0x204: map_key_clear(KEY_EXIT); break; + case 0x207: map_key_clear(KEY_SAVE); break; + case 0x208: map_key_clear(KEY_PRINT); break; + case 0x209: map_key_clear(KEY_PROPS); break; + case 0x21a: map_key_clear(KEY_UNDO); break; + case 0x21b: map_key_clear(KEY_COPY); break; + case 0x21c: map_key_clear(KEY_CUT); break; + case 0x21d: map_key_clear(KEY_PASTE); break; + case 0x21f: map_key_clear(KEY_FIND); break; + case 0x221: map_key_clear(KEY_SEARCH); break; + case 0x222: map_key_clear(KEY_GOTO); break; + case 0x223: map_key_clear(KEY_HOMEPAGE); break; + case 0x224: map_key_clear(KEY_BACK); break; + case 0x225: map_key_clear(KEY_FORWARD); break; + case 0x226: map_key_clear(KEY_STOP); break; + case 0x227: map_key_clear(KEY_REFRESH); break; + case 0x22a: map_key_clear(KEY_BOOKMARKS); break; + case 0x22d: map_key_clear(KEY_ZOOMIN); break; + case 0x22e: map_key_clear(KEY_ZOOMOUT); break; + case 0x22f: map_key_clear(KEY_ZOOMRESET); break; + case 0x233: map_key_clear(KEY_SCROLLUP); break; + case 0x234: map_key_clear(KEY_SCROLLDOWN); break; + case 0x238: map_rel(REL_HWHEEL); break; + case 0x25f: map_key_clear(KEY_CANCEL); break; + case 0x279: map_key_clear(KEY_REDO); break; + + case 0x289: map_key_clear(KEY_REPLY); break; + case 0x28b: map_key_clear(KEY_FORWARDMAIL); break; + case 0x28c: map_key_clear(KEY_SEND); break; + + default: goto ignore; + } + break; + + case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */ + set_bit(EV_REP, input->evbit); + switch (usage->hid & HID_USAGE) { + case 0x021: map_key_clear(KEY_PRINT); break; + case 0x070: map_key_clear(KEY_HP); break; + case 0x071: map_key_clear(KEY_CAMERA); break; + case 0x072: map_key_clear(KEY_SOUND); break; + case 0x073: map_key_clear(KEY_QUESTION); break; + case 0x080: map_key_clear(KEY_EMAIL); break; + case 0x081: map_key_clear(KEY_CHAT); break; + case 0x082: map_key_clear(KEY_SEARCH); break; + case 0x083: map_key_clear(KEY_CONNECT); break; + case 0x084: map_key_clear(KEY_FINANCE); break; + case 0x085: map_key_clear(KEY_SPORT); break; + case 0x086: map_key_clear(KEY_SHOP); break; + default: goto ignore; + } + break; + + case HID_UP_MSVENDOR: + goto ignore; + + case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */ + set_bit(EV_REP, input->evbit); + goto ignore; + + case HID_UP_LOGIVENDOR: + goto ignore; + + case HID_UP_PID: + switch (usage->hid & HID_USAGE) { + case 0xa4: map_key_clear(BTN_DEAD); break; + default: goto ignore; + } + break; + + default: + unknown: + if (field->report_size == 1) { + if (field->report->type == HID_OUTPUT_REPORT) { + map_led(LED_MISC); + break; + } + map_key(BTN_MISC); + break; + } + if (field->flags & HID_MAIN_ITEM_RELATIVE) { + map_rel(REL_MISC); + break; + } + map_abs(ABS_MISC); + break; + } + +mapped: + if (device->driver->input_mapped && device->driver->input_mapped(device, + hidinput, field, usage, &bit, &max) < 0) + goto ignore; + + set_bit(usage->type, input->evbit); + + while (usage->code <= max && test_and_set_bit(usage->code, bit)) + usage->code = find_next_zero_bit(bit, max + 1, usage->code); + + if (usage->code > max) + goto ignore; + + + if (usage->type == EV_ABS) { + + int a = field->logical_minimum; + int b = field->logical_maximum; + + if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) { + a = field->logical_minimum = 0; + b = field->logical_maximum = 255; + } + + if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK) + input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4); + else input_set_abs_params(input, usage->code, a, b, 0, 0); + + } + + if (usage->type == EV_ABS && + (usage->hat_min < usage->hat_max || usage->hat_dir)) { + int i; + for (i = usage->code; i < usage->code + 2 && i <= max; i++) { + input_set_abs_params(input, i, -1, 1, 0, 0); + set_bit(i, input->absbit); + } + if (usage->hat_dir && !field->dpad) + field->dpad = usage->code; + } + + /* for those devices which produce Consumer volume usage as relative, + * we emulate pressing volumeup/volumedown appropriate number of times + * in hidinput_hid_event() + */ + if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && + (usage->code == ABS_VOLUME)) { + set_bit(KEY_VOLUMEUP, input->keybit); + set_bit(KEY_VOLUMEDOWN, input->keybit); + } + + if (usage->type == EV_KEY) { + set_bit(EV_MSC, input->evbit); + set_bit(MSC_SCAN, input->mscbit); + } + + hid_resolv_event(usage->type, usage->code); + + dbg_hid_line("\n"); + + return; + +ignore: + dbg_hid_line("IGNORED\n"); + return; +} + +void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) +{ + struct input_dev *input; + unsigned *quirks = &hid->quirks; + + if (!field->hidinput) + return; + + input = field->hidinput->input; + + if (!usage->type) + return; + + if (usage->hat_min < usage->hat_max || usage->hat_dir) { + int hat_dir = usage->hat_dir; + if (!hat_dir) + hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1; + if (hat_dir < 0 || hat_dir > 8) hat_dir = 0; + input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x); + input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y); + return; + } + + if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */ + *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT); + return; + } + + if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */ + if (value) { + input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1); + return; + } + input_event(input, usage->type, usage->code, 0); + input_event(input, usage->type, BTN_TOOL_RUBBER, 0); + return; + } + + if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */ + int a = field->logical_minimum; + int b = field->logical_maximum; + input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3)); + } + + if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */ + dbg_hid("Maximum Effects - %d\n",value); + return; + } + + if (usage->hid == (HID_UP_PID | 0x7fUL)) { + dbg_hid("PID Pool Report\n"); + return; + } + + if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */ + return; + + if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && + (usage->code == ABS_VOLUME)) { + int count = abs(value); + int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN; + int i; + + for (i = 0; i < count; i++) { + input_event(input, EV_KEY, direction, 1); + input_sync(input); + input_event(input, EV_KEY, direction, 0); + input_sync(input); + } + return; + } + + /* report the usage code as scancode if the key status has changed */ + if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value) + input_event(input, EV_MSC, MSC_SCAN, usage->hid); + + input_event(input, usage->type, usage->code, value); + + if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY)) + input_event(input, usage->type, usage->code, 0); +} + +void hidinput_report_event(struct hid_device *hid, struct hid_report *report) +{ + struct hid_input *hidinput; + + list_for_each_entry(hidinput, &hid->inputs, list) + input_sync(hidinput->input); +} +EXPORT_SYMBOL_GPL(hidinput_report_event); + +int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field) +{ + struct hid_report *report; + int i, j; + + list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) { + for (i = 0; i < report->maxfield; i++) { + *field = report->field[i]; + for (j = 0; j < (*field)->maxusage; j++) + if ((*field)->usage[j].type == type && (*field)->usage[j].code == code) + return j; + } + } + return -1; +} +EXPORT_SYMBOL_GPL(hidinput_find_field); + +static int hidinput_open(struct input_dev *dev) +{ + struct hid_device *hid = input_get_drvdata(dev); + + return hid->ll_driver->open(hid); +} + +static void hidinput_close(struct input_dev *dev) +{ + struct hid_device *hid = input_get_drvdata(dev); + + hid->ll_driver->close(hid); +} + +/* + * Register the input device; print a message. + * Configure the input layer interface + * Read all reports and initialize the absolute field values. + */ + +int hidinput_connect(struct hid_device *hid, unsigned int force) +{ + struct hid_report *report; + struct hid_input *hidinput = NULL; + struct input_dev *input_dev; + int i, j, k; + int max_report_type = HID_OUTPUT_REPORT; + + INIT_LIST_HEAD(&hid->inputs); + + if (!force) { + for (i = 0; i < hid->maxcollection; i++) { + struct hid_collection *col = &hid->collection[i]; + if (col->type == HID_COLLECTION_APPLICATION || + col->type == HID_COLLECTION_PHYSICAL) + if (IS_INPUT_APPLICATION(col->usage)) + break; + } + + if (i == hid->maxcollection) + return -1; + } + + if (hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) + max_report_type = HID_INPUT_REPORT; + + for (k = HID_INPUT_REPORT; k <= max_report_type; k++) + list_for_each_entry(report, &hid->report_enum[k].report_list, list) { + + if (!report->maxfield) + continue; + + if (!hidinput) { + hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!hidinput || !input_dev) { + kfree(hidinput); + input_free_device(input_dev); + err_hid("Out of memory during hid input probe"); + goto out_unwind; + } + + input_set_drvdata(input_dev, hid); + input_dev->event = + hid->ll_driver->hidinput_input_event; + input_dev->open = hidinput_open; + input_dev->close = hidinput_close; + input_dev->setkeycode = hidinput_setkeycode; + input_dev->getkeycode = hidinput_getkeycode; + + input_dev->name = hid->name; + input_dev->phys = hid->phys; + input_dev->uniq = hid->uniq; + input_dev->id.bustype = hid->bus; + input_dev->id.vendor = hid->vendor; + input_dev->id.product = hid->product; + input_dev->id.version = hid->version; + input_dev->dev.parent = hid->dev.parent; + hidinput->input = input_dev; + list_add_tail(&hidinput->list, &hid->inputs); + } + + for (i = 0; i < report->maxfield; i++) + for (j = 0; j < report->field[i]->maxusage; j++) + hidinput_configure_usage(hidinput, report->field[i], + report->field[i]->usage + j); + + if (hid->quirks & HID_QUIRK_MULTI_INPUT) { + /* This will leave hidinput NULL, so that it + * allocates another one if we have more inputs on + * the same interface. Some devices (e.g. Happ's + * UGCI) cram a lot of unrelated inputs into the + * same interface. */ + hidinput->report = report; + if (input_register_device(hidinput->input)) + goto out_cleanup; + hidinput = NULL; + } + } + + if (hidinput && input_register_device(hidinput->input)) + goto out_cleanup; + + return 0; + +out_cleanup: + input_free_device(hidinput->input); + kfree(hidinput); +out_unwind: + /* unwind the ones we already registered */ + hidinput_disconnect(hid); + + return -1; +} +EXPORT_SYMBOL_GPL(hidinput_connect); + +void hidinput_disconnect(struct hid_device *hid) +{ + struct hid_input *hidinput, *next; + + list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { + list_del(&hidinput->list); + input_unregister_device(hidinput->input); + kfree(hidinput); + } +} +EXPORT_SYMBOL_GPL(hidinput_disconnect); + diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c new file mode 100644 index 0000000..2bae340 --- /dev/null +++ b/drivers/hid/hid-lg.c @@ -0,0 +1,337 @@ +/* + * HID driver for some logitech "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" +#include "hid-lg.h" + +#define LG_RDESC 0x001 +#define LG_BAD_RELATIVE_KEYS 0x002 +#define LG_DUPLICATE_USAGES 0x004 +#define LG_RESET_LEDS 0x008 +#define LG_EXPANDED_KEYMAP 0x010 +#define LG_IGNORE_DOUBLED_WHEEL 0x020 +#define LG_WIRELESS 0x040 +#define LG_INVERT_HWHEEL 0x080 +#define LG_NOGET 0x100 +#define LG_FF 0x200 +#define LG_FF2 0x400 + +/* + * Certain Logitech keyboards send in report #3 keys which are far + * above the logical maximum described in descriptor. This extends + * the original value of 0x28c of logical maximum to 0x104d + */ +static void lg_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if ((quirks & LG_RDESC) && rsize >= 90 && rdesc[83] == 0x26 && + rdesc[84] == 0x8c && rdesc[85] == 0x02) { + dev_info(&hdev->dev, "fixing up Logitech keyboard report " + "descriptor\n"); + rdesc[84] = rdesc[89] = 0x4d; + rdesc[85] = rdesc[90] = 0x10; + } +} + +#define lg_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) + +static int lg_ultrax_remote_mapping(struct hid_input *hi, + struct hid_usage *usage, unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_LOGIVENDOR) + return 0; + + set_bit(EV_REP, hi->input->evbit); + switch (usage->hid & HID_USAGE) { + /* Reported on Logitech Ultra X Media Remote */ + case 0x004: lg_map_key_clear(KEY_AGAIN); break; + case 0x00d: lg_map_key_clear(KEY_HOME); break; + case 0x024: lg_map_key_clear(KEY_SHUFFLE); break; + case 0x025: lg_map_key_clear(KEY_TV); break; + case 0x026: lg_map_key_clear(KEY_MENU); break; + case 0x031: lg_map_key_clear(KEY_AUDIO); break; + case 0x032: lg_map_key_clear(KEY_TEXT); break; + case 0x033: lg_map_key_clear(KEY_LAST); break; + case 0x047: lg_map_key_clear(KEY_MP3); break; + case 0x048: lg_map_key_clear(KEY_DVD); break; + case 0x049: lg_map_key_clear(KEY_MEDIA); break; + case 0x04a: lg_map_key_clear(KEY_VIDEO); break; + case 0x04b: lg_map_key_clear(KEY_ANGLE); break; + case 0x04c: lg_map_key_clear(KEY_LANGUAGE); break; + case 0x04d: lg_map_key_clear(KEY_SUBTITLE); break; + case 0x051: lg_map_key_clear(KEY_RED); break; + case 0x052: lg_map_key_clear(KEY_CLOSE); break; + + default: + return 0; + } + return 1; +} + +static int lg_wireless_mapping(struct hid_input *hi, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) + return 0; + + switch (usage->hid & HID_USAGE) { + case 0x1001: lg_map_key_clear(KEY_MESSENGER); break; + case 0x1003: lg_map_key_clear(KEY_SOUND); break; + case 0x1004: lg_map_key_clear(KEY_VIDEO); break; + case 0x1005: lg_map_key_clear(KEY_AUDIO); break; + case 0x100a: lg_map_key_clear(KEY_DOCUMENTS); break; + case 0x1011: lg_map_key_clear(KEY_PREVIOUSSONG); break; + case 0x1012: lg_map_key_clear(KEY_NEXTSONG); break; + case 0x1013: lg_map_key_clear(KEY_CAMERA); break; + case 0x1014: lg_map_key_clear(KEY_MESSENGER); break; + case 0x1015: lg_map_key_clear(KEY_RECORD); break; + case 0x1016: lg_map_key_clear(KEY_PLAYER); break; + case 0x1017: lg_map_key_clear(KEY_EJECTCD); break; + case 0x1018: lg_map_key_clear(KEY_MEDIA); break; + case 0x1019: lg_map_key_clear(KEY_PROG1); break; + case 0x101a: lg_map_key_clear(KEY_PROG2); break; + case 0x101b: lg_map_key_clear(KEY_PROG3); break; + case 0x101f: lg_map_key_clear(KEY_ZOOMIN); break; + case 0x1020: lg_map_key_clear(KEY_ZOOMOUT); break; + case 0x1021: lg_map_key_clear(KEY_ZOOMRESET); break; + case 0x1023: lg_map_key_clear(KEY_CLOSE); break; + case 0x1027: lg_map_key_clear(KEY_MENU); break; + /* this one is marked as 'Rotate' */ + case 0x1028: lg_map_key_clear(KEY_ANGLE); break; + case 0x1029: lg_map_key_clear(KEY_SHUFFLE); break; + case 0x102a: lg_map_key_clear(KEY_BACK); break; + case 0x102b: lg_map_key_clear(KEY_CYCLEWINDOWS); break; + case 0x1041: lg_map_key_clear(KEY_BATTERY); break; + case 0x1042: lg_map_key_clear(KEY_WORDPROCESSOR); break; + case 0x1043: lg_map_key_clear(KEY_SPREADSHEET); break; + case 0x1044: lg_map_key_clear(KEY_PRESENTATION); break; + case 0x1045: lg_map_key_clear(KEY_UNDO); break; + case 0x1046: lg_map_key_clear(KEY_REDO); break; + case 0x1047: lg_map_key_clear(KEY_PRINT); break; + case 0x1048: lg_map_key_clear(KEY_SAVE); break; + case 0x1049: lg_map_key_clear(KEY_PROG1); break; + case 0x104a: lg_map_key_clear(KEY_PROG2); break; + case 0x104b: lg_map_key_clear(KEY_PROG3); break; + case 0x104c: lg_map_key_clear(KEY_PROG4); break; + + default: + return 0; + } + return 1; +} + +static int lg_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + /* extended mapping for certain Logitech hardware (Logitech cordless + desktop LX500) */ + static const u8 e_keymap[] = { + 0,216, 0,213,175,156, 0, 0, 0, 0, + 144, 0, 0, 0, 0, 0, 0, 0, 0,212, + 174,167,152,161,112, 0, 0, 0,154, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0,183,184,185,186,187, + 188,189,190,191,192,193,194, 0, 0, 0 + }; + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + unsigned int hid = usage->hid; + + if (hdev->product == USB_DEVICE_ID_LOGITECH_RECEIVER && + lg_ultrax_remote_mapping(hi, usage, bit, max)) + return 1; + + if ((quirks & LG_WIRELESS) && lg_wireless_mapping(hi, usage, bit, max)) + return 1; + + if ((hid & HID_USAGE_PAGE) != HID_UP_BUTTON) + return 0; + + hid &= HID_USAGE; + + /* Special handling for Logitech Cordless Desktop */ + if (field->application == HID_GD_MOUSE) { + if ((quirks & LG_IGNORE_DOUBLED_WHEEL) && + (hid == 7 || hid == 8)) + return -1; + } else { + if ((quirks & LG_EXPANDED_KEYMAP) && + hid < ARRAY_SIZE(e_keymap) && + e_keymap[hid] != 0) { + hid_map_usage(hi, usage, bit, max, EV_KEY, + e_keymap[hid]); + return 1; + } + } + + return 0; +} + +static int lg_input_mapped(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if ((quirks & LG_BAD_RELATIVE_KEYS) && usage->type == EV_KEY && + (field->flags & HID_MAIN_ITEM_RELATIVE)) + field->flags &= ~HID_MAIN_ITEM_RELATIVE; + + if ((quirks & LG_DUPLICATE_USAGES) && (usage->type == EV_KEY || + usage->type == EV_REL || usage->type == EV_ABS)) + clear_bit(usage->code, *bit); + + return 0; +} + +static int lg_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if ((quirks & LG_INVERT_HWHEEL) && usage->code == REL_HWHEEL) { + input_event(field->hidinput->input, usage->type, usage->code, + -value); + return 1; + } + + return 0; +} + +static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + unsigned long quirks = id->driver_data; + unsigned int connect_mask = HID_CONNECT_DEFAULT; + int ret; + + hid_set_drvdata(hdev, (void *)quirks); + + if (quirks & LG_NOGET) + hdev->quirks |= HID_QUIRK_NOGET; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + if (quirks & (LG_FF | LG_FF2)) + connect_mask &= ~HID_CONNECT_FF; + + ret = hid_hw_start(hdev, connect_mask); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + if (quirks & LG_RESET_LEDS) + usbhid_set_leds(hdev); + + if (quirks & LG_FF) + lgff_init(hdev); + if (quirks & LG_FF2) + lg2ff_init(hdev); + + return 0; +err_free: + return ret; +} + +static const struct hid_device_id lg_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER), + .driver_data = LG_RDESC | LG_WIRELESS }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER), + .driver_data = LG_RDESC | LG_WIRELESS }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2), + .driver_data = LG_RDESC | LG_WIRELESS }, + + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER), + .driver_data = LG_BAD_RELATIVE_KEYS }, + + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP), + .driver_data = LG_DUPLICATE_USAGES }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE), + .driver_data = LG_DUPLICATE_USAGES }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI), + .driver_data = LG_DUPLICATE_USAGES }, + + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_KBD), + .driver_data = LG_RESET_LEDS }, + + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD), + .driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500), + .driver_data = LG_IGNORE_DOUBLED_WHEEL | LG_EXPANDED_KEYMAP }, + + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D), + .driver_data = LG_NOGET }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL), + .driver_data = LG_NOGET | LG_FF }, + + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD), + .driver_data = LG_FF }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2), + .driver_data = LG_FF }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D), + .driver_data = LG_FF }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO), + .driver_data = LG_FF }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL), + .driver_data = LG_FF }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2), + .driver_data = LG_FF }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2), + .driver_data = LG_FF2 }, + { } +}; +MODULE_DEVICE_TABLE(hid, lg_devices); + +static struct hid_driver lg_driver = { + .name = "logitech", + .id_table = lg_devices, + .report_fixup = lg_report_fixup, + .input_mapping = lg_input_mapping, + .input_mapped = lg_input_mapped, + .event = lg_event, + .probe = lg_probe, +}; + +static int lg_init(void) +{ + return hid_register_driver(&lg_driver); +} + +static void lg_exit(void) +{ + hid_unregister_driver(&lg_driver); +} + +module_init(lg_init); +module_exit(lg_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(logitech); diff --git a/drivers/hid/hid-lg.h b/drivers/hid/hid-lg.h new file mode 100644 index 0000000..27ae750 --- /dev/null +++ b/drivers/hid/hid-lg.h @@ -0,0 +1,18 @@ +#ifndef __HID_LG_H +#define __HID_LG_H + +#include <linux/autoconf.h> + +#ifdef CONFIG_LOGITECH_FF +int lgff_init(struct hid_device *hdev); +#else +static inline int lgff_init(struct hid_device *hdev) { return -1; } +#endif + +#ifdef CONFIG_LOGIRUMBLEPAD2_FF +int lg2ff_init(struct hid_device *hdev); +#else +static inline int lg2ff_init(struct hid_device *hdev) { return -1; } +#endif + +#endif diff --git a/drivers/hid/hid-lg2ff.c b/drivers/hid/hid-lg2ff.c new file mode 100644 index 0000000..4e6dc6e --- /dev/null +++ b/drivers/hid/hid-lg2ff.c @@ -0,0 +1,116 @@ +/* + * Force feedback support for Logitech Rumblepad 2 + * + * Copyright (c) 2008 Anssi Hannula <anssi.hannula@gmail.com> + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + + +#include <linux/input.h> +#include <linux/usb.h> +#include <linux/hid.h> + +#include "usbhid/usbhid.h" +#include "hid-lg.h" + +struct lg2ff_device { + struct hid_report *report; +}; + +static int play_effect(struct input_dev *dev, void *data, + struct ff_effect *effect) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct lg2ff_device *lg2ff = data; + int weak, strong; + + strong = effect->u.rumble.strong_magnitude; + weak = effect->u.rumble.weak_magnitude; + + if (weak || strong) { + weak = weak * 0xff / 0xffff; + strong = strong * 0xff / 0xffff; + + lg2ff->report->field[0]->value[0] = 0x51; + lg2ff->report->field[0]->value[2] = weak; + lg2ff->report->field[0]->value[4] = strong; + } else { + lg2ff->report->field[0]->value[0] = 0xf3; + lg2ff->report->field[0]->value[2] = 0x00; + lg2ff->report->field[0]->value[4] = 0x00; + } + + usbhid_submit_report(hid, lg2ff->report, USB_DIR_OUT); + return 0; +} + +int lg2ff_init(struct hid_device *hid) +{ + struct lg2ff_device *lg2ff; + struct hid_report *report; + struct hid_input *hidinput = list_entry(hid->inputs.next, + struct hid_input, list); + struct list_head *report_list = + &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct input_dev *dev = hidinput->input; + int error; + + if (list_empty(report_list)) { + dev_err(&hid->dev, "no output report found\n"); + return -ENODEV; + } + + report = list_entry(report_list->next, struct hid_report, list); + + if (report->maxfield < 1) { + dev_err(&hid->dev, "output report is empty\n"); + return -ENODEV; + } + if (report->field[0]->report_count < 7) { + dev_err(&hid->dev, "not enough values in the field\n"); + return -ENODEV; + } + + lg2ff = kmalloc(sizeof(struct lg2ff_device), GFP_KERNEL); + if (!lg2ff) + return -ENOMEM; + + set_bit(FF_RUMBLE, dev->ffbit); + + error = input_ff_create_memless(dev, lg2ff, play_effect); + if (error) { + kfree(lg2ff); + return error; + } + + lg2ff->report = report; + report->field[0]->value[0] = 0xf3; + report->field[0]->value[1] = 0x00; + report->field[0]->value[2] = 0x00; + report->field[0]->value[3] = 0x00; + report->field[0]->value[4] = 0x00; + report->field[0]->value[5] = 0x00; + report->field[0]->value[6] = 0x00; + + usbhid_submit_report(hid, report, USB_DIR_OUT); + + dev_info(&hid->dev, "Force feedback for Logitech Rumblepad 2 by " + "Anssi Hannula <anssi.hannula@gmail.com>\n"); + + return 0; +} diff --git a/drivers/hid/hid-lgff.c b/drivers/hid/hid-lgff.c new file mode 100644 index 0000000..51aff08 --- /dev/null +++ b/drivers/hid/hid-lgff.c @@ -0,0 +1,179 @@ +/* + * Force feedback support for hid-compliant for some of the devices from + * Logitech, namely: + * - WingMan Cordless RumblePad + * - WingMan Force 3D + * + * Copyright (c) 2002-2004 Johann Deneux + * Copyright (c) 2006 Anssi Hannula <anssi.hannula@gmail.com> + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so by + * e-mail - mail your message to <johann.deneux@it.uu.se> + */ + +#include <linux/input.h> +#include <linux/usb.h> +#include <linux/hid.h> + +#include "usbhid/usbhid.h" +#include "hid-lg.h" + +struct dev_type { + u16 idVendor; + u16 idProduct; + const signed short *ff; +}; + +static const signed short ff_rumble[] = { + FF_RUMBLE, + -1 +}; + +static const signed short ff_joystick[] = { + FF_CONSTANT, + -1 +}; + +static const signed short ff_wheel[] = { + FF_CONSTANT, + FF_AUTOCENTER, + -1 +}; + +static const struct dev_type devices[] = { + { 0x046d, 0xc211, ff_rumble }, + { 0x046d, 0xc219, ff_rumble }, + { 0x046d, 0xc283, ff_joystick }, + { 0x046d, 0xc286, ff_joystick }, + { 0x046d, 0xc294, ff_joystick }, + { 0x046d, 0xc295, ff_joystick }, + { 0x046d, 0xca03, ff_wheel }, +}; + +static int hid_lgff_play(struct input_dev *dev, void *data, struct ff_effect *effect) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct hid_report *report = list_entry(report_list->next, struct hid_report, list); + int x, y; + unsigned int left, right; + +#define CLAMP(x) if (x < 0) x = 0; if (x > 0xff) x = 0xff + + switch (effect->type) { + case FF_CONSTANT: + x = effect->u.ramp.start_level + 0x7f; /* 0x7f is center */ + y = effect->u.ramp.end_level + 0x7f; + CLAMP(x); + CLAMP(y); + report->field[0]->value[0] = 0x51; + report->field[0]->value[1] = 0x08; + report->field[0]->value[2] = x; + report->field[0]->value[3] = y; + dbg_hid("(x, y)=(%04x, %04x)\n", x, y); + usbhid_submit_report(hid, report, USB_DIR_OUT); + break; + + case FF_RUMBLE: + right = effect->u.rumble.strong_magnitude; + left = effect->u.rumble.weak_magnitude; + right = right * 0xff / 0xffff; + left = left * 0xff / 0xffff; + CLAMP(left); + CLAMP(right); + report->field[0]->value[0] = 0x42; + report->field[0]->value[1] = 0x00; + report->field[0]->value[2] = left; + report->field[0]->value[3] = right; + dbg_hid("(left, right)=(%04x, %04x)\n", left, right); + usbhid_submit_report(hid, report, USB_DIR_OUT); + break; + } + return 0; +} + +static void hid_lgff_set_autocenter(struct input_dev *dev, u16 magnitude) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct hid_report *report = list_entry(report_list->next, struct hid_report, list); + __s32 *value = report->field[0]->value; + magnitude = (magnitude >> 12) & 0xf; + *value++ = 0xfe; + *value++ = 0x0d; + *value++ = magnitude; /* clockwise strength */ + *value++ = magnitude; /* counter-clockwise strength */ + *value++ = 0x80; + *value++ = 0x00; + *value = 0x00; + usbhid_submit_report(hid, report, USB_DIR_OUT); +} + +int lgff_init(struct hid_device* hid) +{ + struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); + struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct input_dev *dev = hidinput->input; + struct hid_report *report; + struct hid_field *field; + const signed short *ff_bits = ff_joystick; + int error; + int i; + + /* Find the report to use */ + if (list_empty(report_list)) { + err_hid("No output report found"); + return -1; + } + + /* Check that the report looks ok */ + report = list_entry(report_list->next, struct hid_report, list); + if (!report) { + err_hid("NULL output report"); + return -1; + } + + field = report->field[0]; + if (!field) { + err_hid("NULL field"); + return -1; + } + + for (i = 0; i < ARRAY_SIZE(devices); i++) { + if (dev->id.vendor == devices[i].idVendor && + dev->id.product == devices[i].idProduct) { + ff_bits = devices[i].ff; + break; + } + } + + for (i = 0; ff_bits[i] >= 0; i++) + set_bit(ff_bits[i], dev->ffbit); + + error = input_ff_create_memless(dev, NULL, hid_lgff_play); + if (error) + return error; + + if ( test_bit(FF_AUTOCENTER, dev->ffbit) ) + dev->ff->set_autocenter = hid_lgff_set_autocenter; + + printk(KERN_INFO "Force feedback for Logitech force feedback devices by Johann Deneux <johann.deneux@it.uu.se>\n"); + + return 0; +} diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c new file mode 100644 index 0000000..25b10dc --- /dev/null +++ b/drivers/hid/hid-microsoft.c @@ -0,0 +1,214 @@ +/* + * HID driver for some microsoft "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/input.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +#define MS_HIDINPUT 0x01 +#define MS_ERGONOMY 0x02 +#define MS_PRESENTER 0x04 +#define MS_RDESC 0x08 +#define MS_NOGET 0x10 + +/* + * Microsoft Wireless Desktop Receiver (Model 1028) has + * 'Usage Min/Max' where it ought to have 'Physical Min/Max' + */ +static void ms_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if ((quirks & MS_RDESC) && rsize == 571 && rdesc[557] == 0x19 && + rdesc[559] == 0x29) { + dev_info(&hdev->dev, "fixing up Microsoft Wireless Receiver " + "Model 1028 report descriptor\n"); + rdesc[557] = 0x35; + rdesc[559] = 0x45; + } +} + +#define ms_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int ms_ergonomy_kb_quirk(struct hid_input *hi, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + struct input_dev *input = hi->input; + + switch (usage->hid & HID_USAGE) { + case 0xfd06: ms_map_key_clear(KEY_CHAT); break; + case 0xfd07: ms_map_key_clear(KEY_PHONE); break; + case 0xff05: + set_bit(EV_REP, input->evbit); + ms_map_key_clear(KEY_F13); + set_bit(KEY_F14, input->keybit); + set_bit(KEY_F15, input->keybit); + set_bit(KEY_F16, input->keybit); + set_bit(KEY_F17, input->keybit); + set_bit(KEY_F18, input->keybit); + default: + return 0; + } + return 1; +} + +static int ms_presenter_8k_quirk(struct hid_input *hi, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + set_bit(EV_REP, hi->input->evbit); + switch (usage->hid & HID_USAGE) { + case 0xfd08: ms_map_key_clear(KEY_FORWARD); break; + case 0xfd09: ms_map_key_clear(KEY_BACK); break; + case 0xfd0b: ms_map_key_clear(KEY_PLAYPAUSE); break; + case 0xfd0e: ms_map_key_clear(KEY_CLOSE); break; + case 0xfd0f: ms_map_key_clear(KEY_PLAY); break; + default: + return 0; + } + return 1; +} + +static int ms_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR) + return 0; + + if (quirks & MS_ERGONOMY) { + int ret = ms_ergonomy_kb_quirk(hi, usage, bit, max); + if (ret) + return ret; + } + + if ((quirks & MS_PRESENTER) && + ms_presenter_8k_quirk(hi, usage, bit, max)) + return 1; + + return 0; +} + +static int ms_event(struct hid_device *hdev, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + + if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput || + !usage->type) + return 0; + + /* Handling MS keyboards special buttons */ + if (quirks & MS_ERGONOMY && usage->hid == (HID_UP_MSVENDOR | 0xff05)) { + struct input_dev *input = field->hidinput->input; + static unsigned int last_key = 0; + unsigned int key = 0; + switch (value) { + case 0x01: key = KEY_F14; break; + case 0x02: key = KEY_F15; break; + case 0x04: key = KEY_F16; break; + case 0x08: key = KEY_F17; break; + case 0x10: key = KEY_F18; break; + } + if (key) { + input_event(input, usage->type, key, 1); + last_key = key; + } else + input_event(input, usage->type, last_key, 0); + + return 1; + } + + return 0; +} + +static int ms_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + unsigned long quirks = id->driver_data; + int ret; + + hid_set_drvdata(hdev, (void *)quirks); + + if (quirks & MS_NOGET) + hdev->quirks |= HID_QUIRK_NOGET; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | ((quirks & MS_HIDINPUT) ? + HID_CONNECT_HIDINPUT_FORCE : 0)); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + return 0; +err_free: + return ret; +} + +static const struct hid_device_id ms_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV), + .driver_data = MS_HIDINPUT }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K), + .driver_data = MS_ERGONOMY }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K), + .driver_data = MS_ERGONOMY | MS_RDESC }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB), + .driver_data = MS_PRESENTER }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0), + .driver_data = MS_NOGET }, + + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT), + .driver_data = MS_PRESENTER }, + { } +}; +MODULE_DEVICE_TABLE(hid, ms_devices); + +static struct hid_driver ms_driver = { + .name = "microsoft", + .id_table = ms_devices, + .report_fixup = ms_report_fixup, + .input_mapping = ms_input_mapping, + .event = ms_event, + .probe = ms_probe, +}; + +static int ms_init(void) +{ + return hid_register_driver(&ms_driver); +} + +static void ms_exit(void) +{ + hid_unregister_driver(&ms_driver); +} + +module_init(ms_init); +module_exit(ms_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(microsoft); diff --git a/drivers/hid/hid-monterey.c b/drivers/hid/hid-monterey.c new file mode 100644 index 0000000..f3a85a0 --- /dev/null +++ b/drivers/hid/hid-monterey.c @@ -0,0 +1,82 @@ +/* + * HID driver for some monterey "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +static void mr_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + if (rsize >= 30 && rdesc[29] == 0x05 && rdesc[30] == 0x09) { + dev_info(&hdev->dev, "fixing up button/consumer in HID report " + "descriptor\n"); + rdesc[30] = 0x0c; + } +} + +#define mr_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int mr_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) + return 0; + + switch (usage->hid & HID_USAGE) { + case 0x156: mr_map_key_clear(KEY_WORDPROCESSOR); break; + case 0x157: mr_map_key_clear(KEY_SPREADSHEET); break; + case 0x158: mr_map_key_clear(KEY_PRESENTATION); break; + case 0x15c: mr_map_key_clear(KEY_STOP); break; + default: + return 0; + } + return 1; +} + +static const struct hid_device_id mr_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, + { } +}; +MODULE_DEVICE_TABLE(hid, mr_devices); + +static struct hid_driver mr_driver = { + .name = "monterey", + .id_table = mr_devices, + .report_fixup = mr_report_fixup, + .input_mapping = mr_input_mapping, +}; + +static int mr_init(void) +{ + return hid_register_driver(&mr_driver); +} + +static void mr_exit(void) +{ + hid_unregister_driver(&mr_driver); +} + +module_init(mr_init); +module_exit(mr_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(monterey); diff --git a/drivers/hid/hid-petalynx.c b/drivers/hid/hid-petalynx.c new file mode 100644 index 0000000..10945fe --- /dev/null +++ b/drivers/hid/hid-petalynx.c @@ -0,0 +1,122 @@ +/* + * HID driver for some petalynx "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +/* Petalynx Maxter Remote has maximum for consumer page set too low */ +static void pl_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + if (rsize >= 60 && rdesc[39] == 0x2a && rdesc[40] == 0xf5 && + rdesc[41] == 0x00 && rdesc[59] == 0x26 && + rdesc[60] == 0xf9 && rdesc[61] == 0x00) { + dev_info(&hdev->dev, "fixing up Petalynx Maxter Remote report " + "descriptor\n"); + rdesc[60] = 0xfa; + rdesc[40] = 0xfa; + } +} + +#define pl_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int pl_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) == HID_UP_LOGIVENDOR) { + switch (usage->hid & HID_USAGE) { + case 0x05a: pl_map_key_clear(KEY_TEXT); break; + case 0x05b: pl_map_key_clear(KEY_RED); break; + case 0x05c: pl_map_key_clear(KEY_GREEN); break; + case 0x05d: pl_map_key_clear(KEY_YELLOW); break; + case 0x05e: pl_map_key_clear(KEY_BLUE); break; + default: + return 0; + } + return 1; + } + + if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) { + switch (usage->hid & HID_USAGE) { + case 0x0f6: pl_map_key_clear(KEY_NEXT); break; + case 0x0fa: pl_map_key_clear(KEY_BACK); break; + default: + return 0; + } + return 1; + } + + return 0; +} + +static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + hdev->quirks |= HID_QUIRK_NOGET; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + return 0; +err_free: + return ret; +} + +static const struct hid_device_id pl_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, + { } +}; +MODULE_DEVICE_TABLE(hid, pl_devices); + +static struct hid_driver pl_driver = { + .name = "petalynx", + .id_table = pl_devices, + .report_fixup = pl_report_fixup, + .input_mapping = pl_input_mapping, + .probe = pl_probe, +}; + +static int pl_init(void) +{ + return hid_register_driver(&pl_driver); +} + +static void pl_exit(void) +{ + hid_unregister_driver(&pl_driver); +} + +module_init(pl_init); +module_exit(pl_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(petalynx); diff --git a/drivers/hid/hid-pl.c b/drivers/hid/hid-pl.c new file mode 100644 index 0000000..46941f9 --- /dev/null +++ b/drivers/hid/hid-pl.c @@ -0,0 +1,208 @@ +/* + * Force feedback support for PantherLord/GreenAsia based devices + * + * The devices are distributed under various names and the same USB device ID + * can be used in both adapters and actual game controllers. + * + * 0810:0001 "Twin USB Joystick" + * - tested with PantherLord USB/PS2 2in1 Adapter + * - contains two reports, one for each port (HID_QUIRK_MULTI_INPUT) + * + * 0e8f:0003 "GreenAsia Inc. USB Joystick " + * - tested with K??ng Gaming gamepad + * + * Copyright (c) 2007 Anssi Hannula <anssi.hannula@gmail.com> + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + + +/* #define DEBUG */ + +#define debug(format, arg...) pr_debug("hid-plff: " format "\n" , ## arg) + +#include <linux/input.h> +#include <linux/usb.h> +#include <linux/hid.h> + +#include "hid-ids.h" + +#ifdef CONFIG_PANTHERLORD_FF +#include "usbhid/usbhid.h" + +struct plff_device { + struct hid_report *report; +}; + +static int hid_plff_play(struct input_dev *dev, void *data, + struct ff_effect *effect) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct plff_device *plff = data; + int left, right; + + left = effect->u.rumble.strong_magnitude; + right = effect->u.rumble.weak_magnitude; + debug("called with 0x%04x 0x%04x", left, right); + + left = left * 0x7f / 0xffff; + right = right * 0x7f / 0xffff; + + plff->report->field[0]->value[2] = left; + plff->report->field[0]->value[3] = right; + debug("running with 0x%02x 0x%02x", left, right); + usbhid_submit_report(hid, plff->report, USB_DIR_OUT); + + return 0; +} + +static int plff_init(struct hid_device *hid) +{ + struct plff_device *plff; + struct hid_report *report; + struct hid_input *hidinput; + struct list_head *report_list = + &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct list_head *report_ptr = report_list; + struct input_dev *dev; + int error; + + /* The device contains one output report per physical device, all + containing 1 field, which contains 4 ff00.0002 usages and 4 16bit + absolute values. + + The input reports also contain a field which contains + 8 ff00.0001 usages and 8 boolean values. Their meaning is + currently unknown. */ + + if (list_empty(report_list)) { + dev_err(&hid->dev, "no output reports found\n"); + return -ENODEV; + } + + list_for_each_entry(hidinput, &hid->inputs, list) { + + report_ptr = report_ptr->next; + + if (report_ptr == report_list) { + dev_err(&hid->dev, "required output report is " + "missing\n"); + return -ENODEV; + } + + report = list_entry(report_ptr, struct hid_report, list); + if (report->maxfield < 1) { + dev_err(&hid->dev, "no fields in the report\n"); + return -ENODEV; + } + + if (report->field[0]->report_count < 4) { + dev_err(&hid->dev, "not enough values in the field\n"); + return -ENODEV; + } + + plff = kzalloc(sizeof(struct plff_device), GFP_KERNEL); + if (!plff) + return -ENOMEM; + + dev = hidinput->input; + + set_bit(FF_RUMBLE, dev->ffbit); + + error = input_ff_create_memless(dev, plff, hid_plff_play); + if (error) { + kfree(plff); + return error; + } + + plff->report = report; + plff->report->field[0]->value[0] = 0x00; + plff->report->field[0]->value[1] = 0x00; + plff->report->field[0]->value[2] = 0x00; + plff->report->field[0]->value[3] = 0x00; + usbhid_submit_report(hid, plff->report, USB_DIR_OUT); + } + + dev_info(&hid->dev, "Force feedback for PantherLord/GreenAsia " + "devices by Anssi Hannula <anssi.hannula@gmail.com>\n"); + + return 0; +} +#else +static inline int plff_init(struct hid_device *hid) +{ + return 0; +} +#endif + +static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + if (id->driver_data) + hdev->quirks |= HID_QUIRK_MULTI_INPUT; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err; + } + + plff_init(hdev); + + return 0; +err: + return ret; +} + +static const struct hid_device_id pl_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR), + .driver_data = 1 }, /* Twin USB Joystick */ + { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR), + .driver_data = 1 }, /* Twin USB Joystick */ + { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003), }, /* GreenAsia Inc. USB Joystick */ + { } +}; +MODULE_DEVICE_TABLE(hid, pl_devices); + +static struct hid_driver pl_driver = { + .name = "pantherlord", + .id_table = pl_devices, + .probe = pl_probe, +}; + +static int pl_init(void) +{ + return hid_register_driver(&pl_driver); +} + +static void pl_exit(void) +{ + hid_unregister_driver(&pl_driver); +} + +module_init(pl_init); +module_exit(pl_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(pantherlord); diff --git a/drivers/hid/hid-samsung.c b/drivers/hid/hid-samsung.c new file mode 100644 index 0000000..15f3c04 --- /dev/null +++ b/drivers/hid/hid-samsung.c @@ -0,0 +1,100 @@ +/* + * HID driver for some samsung "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +/* + * Samsung IrDA remote controller (reports as Cypress USB Mouse). + * + * Vendor specific report #4 has a size of 48 bit, + * and therefore is not accepted when inspecting the descriptors. + * As a workaround we reinterpret the report as: + * Variable type, count 6, size 8 bit, log. maximum 255 + * The burden to reconstruct the data is moved into user space. + */ +static void samsung_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + if (rsize >= 182 && rdesc[175] == 0x25 && rdesc[176] == 0x40 && + rdesc[177] == 0x75 && rdesc[178] == 0x30 && + rdesc[179] == 0x95 && rdesc[180] == 0x01 && + rdesc[182] == 0x40) { + dev_info(&hdev->dev, "fixing up Samsung IrDA report " + "descriptor\n"); + rdesc[176] = 0xff; + rdesc[178] = 0x08; + rdesc[180] = 0x06; + rdesc[182] = 0x42; + } +} + +static int samsung_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + int ret; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev, (HID_CONNECT_DEFAULT & ~HID_CONNECT_HIDINPUT) | + HID_CONNECT_HIDDEV_FORCE); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + return 0; +err_free: + return ret; +} + +static const struct hid_device_id samsung_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, + { } +}; +MODULE_DEVICE_TABLE(hid, samsung_devices); + +static struct hid_driver samsung_driver = { + .name = "samsung", + .id_table = samsung_devices, + .report_fixup = samsung_report_fixup, + .probe = samsung_probe, +}; + +static int samsung_init(void) +{ + return hid_register_driver(&samsung_driver); +} + +static void samsung_exit(void) +{ + hid_unregister_driver(&samsung_driver); +} + +module_init(samsung_init); +module_exit(samsung_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(samsung); diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c new file mode 100644 index 0000000..dd5a397 --- /dev/null +++ b/drivers/hid/hid-sony.c @@ -0,0 +1,152 @@ +/* + * HID driver for some sony "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + * Copyright (c) 2006-2008 Jiri Kosina + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> +#include <linux/usb.h> + +#include "hid-ids.h" + +#define VAIO_RDESC_CONSTANT 0x0001 + +struct sony_sc { + unsigned long quirks; +}; + +/* Sony Vaio VGX has wrongly mouse pointer declared as constant */ +static void sony_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + struct sony_sc *sc = hid_get_drvdata(hdev); + + if ((sc->quirks & VAIO_RDESC_CONSTANT) && + rsize >= 56 && rdesc[54] == 0x81 && rdesc[55] == 0x07) { + dev_info(&hdev->dev, "Fixing up Sony Vaio VGX report " + "descriptor\n"); + rdesc[55] = 0x06; + } +} + +/* + * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller + * to "operational". Without this, the ps3 controller will not report any + * events. + */ +static int sony_set_operational(struct hid_device *hdev) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + struct usb_device *dev = interface_to_usbdev(intf); + __u16 ifnum = intf->cur_altsetting->desc.bInterfaceNumber; + int ret; + char *buf = kmalloc(18, GFP_KERNEL); + + if (!buf) + return -ENOMEM; + + ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), + HID_REQ_GET_REPORT, + USB_DIR_IN | USB_TYPE_CLASS | + USB_RECIP_INTERFACE, + (3 << 8) | 0xf2, ifnum, buf, 17, + USB_CTRL_GET_TIMEOUT); + if (ret < 0) + dev_err(&hdev->dev, "can't set operational mode\n"); + + kfree(buf); + + return ret; +} + +static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + unsigned long quirks = id->driver_data; + struct sony_sc *sc; + + sc = kzalloc(sizeof(*sc), GFP_KERNEL); + if (sc == NULL) { + dev_err(&hdev->dev, "can't alloc apple descriptor\n"); + return -ENOMEM; + } + + sc->quirks = quirks; + hid_set_drvdata(hdev, sc); + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err_free; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | + HID_CONNECT_HIDDEV_FORCE); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err_free; + } + + ret = sony_set_operational(hdev); + if (ret < 0) + goto err_stop; + + return 0; +err_stop: + hid_hw_stop(hdev); +err_free: + kfree(sc); + return ret; +} + +static void sony_remove(struct hid_device *hdev) +{ + hid_hw_stop(hdev); + kfree(hid_get_drvdata(hdev)); +} + +static const struct hid_device_id sony_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE), + .driver_data = VAIO_RDESC_CONSTANT }, + { } +}; +MODULE_DEVICE_TABLE(hid, sony_devices); + +static struct hid_driver sony_driver = { + .name = "sony", + .id_table = sony_devices, + .probe = sony_probe, + .remove = sony_remove, + .report_fixup = sony_report_fixup, +}; + +static int sony_init(void) +{ + return hid_register_driver(&sony_driver); +} + +static void sony_exit(void) +{ + hid_unregister_driver(&sony_driver); +} + +module_init(sony_init); +module_exit(sony_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(sony); diff --git a/drivers/hid/hid-sunplus.c b/drivers/hid/hid-sunplus.c new file mode 100644 index 0000000..5ba68f7 --- /dev/null +++ b/drivers/hid/hid-sunplus.c @@ -0,0 +1,82 @@ +/* + * HID driver for some sunplus "special" devices + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + * Copyright (c) 2008 Jiri Slaby + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +static void sp_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + if (rsize >= 107 && rdesc[104] == 0x26 && rdesc[105] == 0x80 && + rdesc[106] == 0x03) { + dev_info(&hdev->dev, "fixing up Sunplus Wireless Desktop " + "report descriptor\n"); + rdesc[105] = rdesc[110] = 0x03; + rdesc[106] = rdesc[111] = 0x21; + } +} + +#define sp_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ + EV_KEY, (c)) +static int sp_input_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER) + return 0; + + switch (usage->hid & HID_USAGE) { + case 0x2003: sp_map_key_clear(KEY_ZOOMIN); break; + case 0x2103: sp_map_key_clear(KEY_ZOOMOUT); break; + default: + return 0; + } + return 1; +} + +static const struct hid_device_id sp_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, + { } +}; +MODULE_DEVICE_TABLE(hid, sp_devices); + +static struct hid_driver sp_driver = { + .name = "sunplus", + .id_table = sp_devices, + .report_fixup = sp_report_fixup, + .input_mapping = sp_input_mapping, +}; + +static int sp_init(void) +{ + return hid_register_driver(&sp_driver); +} + +static void sp_exit(void) +{ + hid_unregister_driver(&sp_driver); +} + +module_init(sp_init); +module_exit(sp_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(sunplus); diff --git a/drivers/hid/hid-tmff.c b/drivers/hid/hid-tmff.c new file mode 100644 index 0000000..1b7cba0 --- /dev/null +++ b/drivers/hid/hid-tmff.c @@ -0,0 +1,269 @@ +/* + * Force feedback support for various HID compliant devices by ThrustMaster: + * ThrustMaster FireStorm Dual Power 2 + * and possibly others whose device ids haven't been added. + * + * Modified to support ThrustMaster devices by Zinx Verituse + * on 2003-01-25 from the Logitech force feedback driver, + * which is by Johann Deneux. + * + * Copyright (c) 2003 Zinx Verituse <zinx@epicsol.org> + * Copyright (c) 2002 Johann Deneux + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/hid.h> +#include <linux/input.h> +#include <linux/usb.h> + +#include "hid-ids.h" + +#include "usbhid/usbhid.h" + +/* Usages for thrustmaster devices I know about */ +#define THRUSTMASTER_USAGE_FF (HID_UP_GENDESK | 0xbb) + +static const signed short ff_rumble[] = { + FF_RUMBLE, + -1 +}; + +static const signed short ff_joystick[] = { + FF_CONSTANT, + -1 +}; + +struct tmff_device { + struct hid_report *report; + struct hid_field *ff_field; +}; + +/* Changes values from 0 to 0xffff into values from minimum to maximum */ +static inline int tmff_scale_u16(unsigned int in, int minimum, int maximum) +{ + int ret; + + ret = (in * (maximum - minimum) / 0xffff) + minimum; + if (ret < minimum) + return minimum; + if (ret > maximum) + return maximum; + return ret; +} + +/* Changes values from -0x80 to 0x7f into values from minimum to maximum */ +static inline int tmff_scale_s8(int in, int minimum, int maximum) +{ + int ret; + + ret = (((in + 0x80) * (maximum - minimum)) / 0xff) + minimum; + if (ret < minimum) + return minimum; + if (ret > maximum) + return maximum; + return ret; +} + +static int tmff_play(struct input_dev *dev, void *data, + struct ff_effect *effect) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct tmff_device *tmff = data; + struct hid_field *ff_field = tmff->ff_field; + int x, y; + int left, right; /* Rumbling */ + + switch (effect->type) { + case FF_CONSTANT: + x = tmff_scale_s8(effect->u.ramp.start_level, + ff_field->logical_minimum, + ff_field->logical_maximum); + y = tmff_scale_s8(effect->u.ramp.end_level, + ff_field->logical_minimum, + ff_field->logical_maximum); + + dbg_hid("(x, y)=(%04x, %04x)\n", x, y); + ff_field->value[0] = x; + ff_field->value[1] = y; + usbhid_submit_report(hid, tmff->report, USB_DIR_OUT); + break; + + case FF_RUMBLE: + left = tmff_scale_u16(effect->u.rumble.weak_magnitude, + ff_field->logical_minimum, + ff_field->logical_maximum); + right = tmff_scale_u16(effect->u.rumble.strong_magnitude, + ff_field->logical_minimum, + ff_field->logical_maximum); + + dbg_hid("(left,right)=(%08x, %08x)\n", left, right); + ff_field->value[0] = left; + ff_field->value[1] = right; + usbhid_submit_report(hid, tmff->report, USB_DIR_OUT); + break; + } + return 0; +} + +static int tmff_init(struct hid_device *hid, const signed short *ff_bits) +{ + struct tmff_device *tmff; + struct hid_report *report; + struct list_head *report_list; + struct hid_input *hidinput = list_entry(hid->inputs.next, + struct hid_input, list); + struct input_dev *input_dev = hidinput->input; + int error; + int i; + + tmff = kzalloc(sizeof(struct tmff_device), GFP_KERNEL); + if (!tmff) + return -ENOMEM; + + /* Find the report to use */ + report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; + list_for_each_entry(report, report_list, list) { + int fieldnum; + + for (fieldnum = 0; fieldnum < report->maxfield; ++fieldnum) { + struct hid_field *field = report->field[fieldnum]; + + if (field->maxusage <= 0) + continue; + + switch (field->usage[0].hid) { + case THRUSTMASTER_USAGE_FF: + if (field->report_count < 2) { + dev_warn(&hid->dev, "ignoring FF field " + "with report_count < 2\n"); + continue; + } + + if (field->logical_maximum == + field->logical_minimum) { + dev_warn(&hid->dev, "ignoring FF field " + "with logical_maximum " + "== logical_minimum\n"); + continue; + } + + if (tmff->report && tmff->report != report) { + dev_warn(&hid->dev, "ignoring FF field " + "in other report\n"); + continue; + } + + if (tmff->ff_field && tmff->ff_field != field) { + dev_warn(&hid->dev, "ignoring " + "duplicate FF field\n"); + continue; + } + + tmff->report = report; + tmff->ff_field = field; + + for (i = 0; ff_bits[i] >= 0; i++) + set_bit(ff_bits[i], input_dev->ffbit); + + break; + + default: + dev_warn(&hid->dev, "ignoring unknown output " + "usage %08x\n", + field->usage[0].hid); + continue; + } + } + } + + if (!tmff->report) { + dev_err(&hid->dev, "can't find FF field in output reports\n"); + error = -ENODEV; + goto fail; + } + + error = input_ff_create_memless(input_dev, tmff, tmff_play); + if (error) + goto fail; + + dev_info(&hid->dev, "force feedback for ThrustMaster devices by Zinx " + "Verituse <zinx@epicsol.org>"); + return 0; + +fail: + kfree(tmff); + return error; +} + +static int tm_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err; + } + + tmff_init(hdev, (void *)id->driver_data); + + return 0; +err: + return ret; +} + +static const struct hid_device_id tm_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300), + .driver_data = (unsigned long)ff_rumble }, + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304), + .driver_data = (unsigned long)ff_rumble }, + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651), /* FGT Rumble Force Wheel */ + .driver_data = (unsigned long)ff_rumble }, + { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654), /* FGT Force Feedback Wheel */ + .driver_data = (unsigned long)ff_joystick }, + { } +}; +MODULE_DEVICE_TABLE(hid, tm_devices); + +static struct hid_driver tm_driver = { + .name = "thrustmaster", + .id_table = tm_devices, + .probe = tm_probe, +}; + +static int tm_init(void) +{ + return hid_register_driver(&tm_driver); +} + +static void tm_exit(void) +{ + hid_unregister_driver(&tm_driver); +} + +module_init(tm_init); +module_exit(tm_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(thrustmaster); diff --git a/drivers/hid/hid-zpff.c b/drivers/hid/hid-zpff.c new file mode 100644 index 0000000..ea82f37 --- /dev/null +++ b/drivers/hid/hid-zpff.c @@ -0,0 +1,162 @@ +/* + * Force feedback support for Zeroplus based devices + * + * Copyright (c) 2005, 2006 Anssi Hannula <anssi.hannula@gmail.com> + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + + +#include <linux/hid.h> +#include <linux/input.h> +#include <linux/usb.h> + +#include "hid-ids.h" + +#include "usbhid/usbhid.h" + +struct zpff_device { + struct hid_report *report; +}; + +static int zpff_play(struct input_dev *dev, void *data, + struct ff_effect *effect) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct zpff_device *zpff = data; + int left, right; + + /* + * The following is specified the other way around in the Zeroplus + * datasheet but the order below is correct for the XFX Executioner; + * however it is possible that the XFX Executioner is an exception + */ + + left = effect->u.rumble.strong_magnitude; + right = effect->u.rumble.weak_magnitude; + dbg_hid("called with 0x%04x 0x%04x\n", left, right); + + left = left * 0x7f / 0xffff; + right = right * 0x7f / 0xffff; + + zpff->report->field[2]->value[0] = left; + zpff->report->field[3]->value[0] = right; + dbg_hid("running with 0x%02x 0x%02x\n", left, right); + usbhid_submit_report(hid, zpff->report, USB_DIR_OUT); + + return 0; +} + +static int zpff_init(struct hid_device *hid) +{ + struct zpff_device *zpff; + struct hid_report *report; + struct hid_input *hidinput = list_entry(hid->inputs.next, + struct hid_input, list); + struct list_head *report_list = + &hid->report_enum[HID_OUTPUT_REPORT].report_list; + struct input_dev *dev = hidinput->input; + int error; + + if (list_empty(report_list)) { + dev_err(&hid->dev, "no output report found\n"); + return -ENODEV; + } + + report = list_entry(report_list->next, struct hid_report, list); + + if (report->maxfield < 4) { + dev_err(&hid->dev, "not enough fields in report\n"); + return -ENODEV; + } + + zpff = kzalloc(sizeof(struct zpff_device), GFP_KERNEL); + if (!zpff) + return -ENOMEM; + + set_bit(FF_RUMBLE, dev->ffbit); + + error = input_ff_create_memless(dev, zpff, zpff_play); + if (error) { + kfree(zpff); + return error; + } + + zpff->report = report; + zpff->report->field[0]->value[0] = 0x00; + zpff->report->field[1]->value[0] = 0x02; + zpff->report->field[2]->value[0] = 0x00; + zpff->report->field[3]->value[0] = 0x00; + usbhid_submit_report(hid, zpff->report, USB_DIR_OUT); + + dev_info(&hid->dev, "force feedback for Zeroplus based devices by " + "Anssi Hannula <anssi.hannula@gmail.com>\n"); + + return 0; +} + +static int zp_probe(struct hid_device *hdev, const struct hid_device_id *id) +{ + int ret; + + ret = hid_parse(hdev); + if (ret) { + dev_err(&hdev->dev, "parse failed\n"); + goto err; + } + + ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); + if (ret) { + dev_err(&hdev->dev, "hw start failed\n"); + goto err; + } + + zpff_init(hdev); + + return 0; +err: + return ret; +} + +static const struct hid_device_id zp_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) }, + { } +}; +MODULE_DEVICE_TABLE(hid, zp_devices); + +static struct hid_driver zp_driver = { + .name = "zeroplus", + .id_table = zp_devices, + .probe = zp_probe, +}; + +static int zp_init(void) +{ + return hid_register_driver(&zp_driver); +} + +static void zp_exit(void) +{ + hid_unregister_driver(&zp_driver); +} + +module_init(zp_init); +module_exit(zp_exit); +MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(zeroplus); diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c new file mode 100644 index 0000000..7685ae6 --- /dev/null +++ b/drivers/hid/hidraw.c @@ -0,0 +1,417 @@ +/* + * HID raw devices, giving access to raw HID events. + * + * In comparison to hiddev, this device does not process the + * hid events at all (no parsing, no lookups). This lets applications + * to work on raw hid events as they want to, and avoids a need to + * use a transport-specific userspace libhid/libusb libraries. + * + * Copyright (c) 2007 Jiri Kosina + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <linux/fs.h> +#include <linux/module.h> +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/cdev.h> +#include <linux/poll.h> +#include <linux/device.h> +#include <linux/major.h> +#include <linux/hid.h> +#include <linux/mutex.h> +#include <linux/smp_lock.h> + +#include <linux/hidraw.h> + +static int hidraw_major; +static struct cdev hidraw_cdev; +static struct class *hidraw_class; +static struct hidraw *hidraw_table[HIDRAW_MAX_DEVICES]; +static DEFINE_MUTEX(minors_lock); + +static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) +{ + struct hidraw_list *list = file->private_data; + int ret = 0, len; + char *report; + DECLARE_WAITQUEUE(wait, current); + + while (ret == 0) { + + mutex_lock(&list->read_mutex); + + if (list->head == list->tail) { + add_wait_queue(&list->hidraw->wait, &wait); + set_current_state(TASK_INTERRUPTIBLE); + + while (list->head == list->tail) { + if (file->f_flags & O_NONBLOCK) { + ret = -EAGAIN; + break; + } + if (signal_pending(current)) { + ret = -ERESTARTSYS; + break; + } + if (!list->hidraw->exist) { + ret = -EIO; + break; + } + + /* allow O_NONBLOCK to work well from other threads */ + mutex_unlock(&list->read_mutex); + schedule(); + mutex_lock(&list->read_mutex); + set_current_state(TASK_INTERRUPTIBLE); + } + + set_current_state(TASK_RUNNING); + remove_wait_queue(&list->hidraw->wait, &wait); + } + + if (ret) + goto out; + + report = list->buffer[list->tail].value; + len = list->buffer[list->tail].len > count ? + count : list->buffer[list->tail].len; + + if (copy_to_user(buffer, list->buffer[list->tail].value, len)) { + ret = -EFAULT; + goto out; + } + ret += len; + + kfree(list->buffer[list->tail].value); + list->tail = (list->tail + 1) & (HIDRAW_BUFFER_SIZE - 1); + } +out: + mutex_unlock(&list->read_mutex); + return ret; +} + +/* the first byte is expected to be a report number */ +static ssize_t hidraw_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) +{ + unsigned int minor = iminor(file->f_path.dentry->d_inode); + /* FIXME: What stops hidraw_table going NULL */ + struct hid_device *dev = hidraw_table[minor]->hid; + __u8 *buf; + int ret = 0; + + if (!dev->hid_output_raw_report) + return -ENODEV; + + if (count > HID_MAX_BUFFER_SIZE) { + printk(KERN_WARNING "hidraw: pid %d passed too large report\n", + task_pid_nr(current)); + return -EINVAL; + } + + if (count < 2) { + printk(KERN_WARNING "hidraw: pid %d passed too short report\n", + task_pid_nr(current)); + return -EINVAL; + } + + buf = kmalloc(count * sizeof(__u8), GFP_KERNEL); + if (!buf) + return -ENOMEM; + + if (copy_from_user(buf, buffer, count)) { + ret = -EFAULT; + goto out; + } + + ret = dev->hid_output_raw_report(dev, buf, count); +out: + kfree(buf); + return ret; +} + +static unsigned int hidraw_poll(struct file *file, poll_table *wait) +{ + struct hidraw_list *list = file->private_data; + + poll_wait(file, &list->hidraw->wait, wait); + if (list->head != list->tail) + return POLLIN | POLLRDNORM; + if (!list->hidraw->exist) + return POLLERR | POLLHUP; + return 0; +} + +static int hidraw_open(struct inode *inode, struct file *file) +{ + unsigned int minor = iminor(inode); + struct hidraw *dev; + struct hidraw_list *list; + int err = 0; + + if (!(list = kzalloc(sizeof(struct hidraw_list), GFP_KERNEL))) { + err = -ENOMEM; + goto out; + } + + lock_kernel(); + mutex_lock(&minors_lock); + if (!hidraw_table[minor]) { + printk(KERN_EMERG "hidraw device with minor %d doesn't exist\n", + minor); + kfree(list); + err = -ENODEV; + goto out_unlock; + } + + list->hidraw = hidraw_table[minor]; + mutex_init(&list->read_mutex); + list_add_tail(&list->node, &hidraw_table[minor]->list); + file->private_data = list; + + dev = hidraw_table[minor]; + if (!dev->open++) { + err = dev->hid->ll_driver->open(dev->hid); + if (err < 0) + dev->open--; + } + +out_unlock: + mutex_unlock(&minors_lock); + unlock_kernel(); +out: + return err; + +} + +static int hidraw_release(struct inode * inode, struct file * file) +{ + unsigned int minor = iminor(inode); + struct hidraw *dev; + struct hidraw_list *list = file->private_data; + + if (!hidraw_table[minor]) { + printk(KERN_EMERG "hidraw device with minor %d doesn't exist\n", + minor); + return -ENODEV; + } + + list_del(&list->node); + dev = hidraw_table[minor]; + if (!dev->open--) { + if (list->hidraw->exist) + dev->hid->ll_driver->close(dev->hid); + else + kfree(list->hidraw); + } + + kfree(list); + + return 0; +} + +static long hidraw_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + struct inode *inode = file->f_path.dentry->d_inode; + unsigned int minor = iminor(inode); + long ret = 0; + /* FIXME: What stops hidraw_table going NULL */ + struct hidraw *dev = hidraw_table[minor]; + void __user *user_arg = (void __user*) arg; + + lock_kernel(); + switch (cmd) { + case HIDIOCGRDESCSIZE: + if (put_user(dev->hid->rsize, (int __user *)arg)) + ret = -EFAULT; + break; + + case HIDIOCGRDESC: + { + __u32 len; + + if (get_user(len, (int __user *)arg)) + ret = -EFAULT; + else if (len > HID_MAX_DESCRIPTOR_SIZE - 1) + ret = -EINVAL; + else if (copy_to_user(user_arg + offsetof( + struct hidraw_report_descriptor, + value[0]), + dev->hid->rdesc, + min(dev->hid->rsize, len))) + ret = -EFAULT; + break; + } + case HIDIOCGRAWINFO: + { + struct hidraw_devinfo dinfo; + + dinfo.bustype = dev->hid->bus; + dinfo.vendor = dev->hid->vendor; + dinfo.product = dev->hid->product; + if (copy_to_user(user_arg, &dinfo, sizeof(dinfo))) + ret = -EFAULT; + break; + } + default: + ret = -ENOTTY; + } + unlock_kernel(); + return ret; +} + +static const struct file_operations hidraw_ops = { + .owner = THIS_MODULE, + .read = hidraw_read, + .write = hidraw_write, + .poll = hidraw_poll, + .open = hidraw_open, + .release = hidraw_release, + .unlocked_ioctl = hidraw_ioctl, +}; + +void hidraw_report_event(struct hid_device *hid, u8 *data, int len) +{ + struct hidraw *dev = hid->hidraw; + struct hidraw_list *list; + + list_for_each_entry(list, &dev->list, node) { + list->buffer[list->head].value = kmemdup(data, len, GFP_ATOMIC); + list->buffer[list->head].len = len; + list->head = (list->head + 1) & (HIDRAW_BUFFER_SIZE - 1); + kill_fasync(&list->fasync, SIGIO, POLL_IN); + } + + wake_up_interruptible(&dev->wait); +} +EXPORT_SYMBOL_GPL(hidraw_report_event); + +int hidraw_connect(struct hid_device *hid) +{ + int minor, result; + struct hidraw *dev; + + /* TODO currently we accept any HID device. This should later + * probably be fixed to accept only those devices which provide + * non-input applications + */ + + dev = kzalloc(sizeof(struct hidraw), GFP_KERNEL); + if (!dev) + return -ENOMEM; + + result = -EINVAL; + + mutex_lock(&minors_lock); + + for (minor = 0; minor < HIDRAW_MAX_DEVICES; minor++) { + if (hidraw_table[minor]) + continue; + hidraw_table[minor] = dev; + result = 0; + break; + } + + if (result) { + mutex_unlock(&minors_lock); + kfree(dev); + goto out; + } + + dev->dev = device_create(hidraw_class, NULL, MKDEV(hidraw_major, minor), + NULL, "%s%d", "hidraw", minor); + + if (IS_ERR(dev->dev)) { + hidraw_table[minor] = NULL; + mutex_unlock(&minors_lock); + result = PTR_ERR(dev->dev); + kfree(dev); + goto out; + } + + mutex_unlock(&minors_lock); + init_waitqueue_head(&dev->wait); + INIT_LIST_HEAD(&dev->list); + + dev->hid = hid; + dev->minor = minor; + + dev->exist = 1; + hid->hidraw = dev; + +out: + return result; + +} +EXPORT_SYMBOL_GPL(hidraw_connect); + +void hidraw_disconnect(struct hid_device *hid) +{ + struct hidraw *hidraw = hid->hidraw; + + hidraw->exist = 0; + + mutex_lock(&minors_lock); + hidraw_table[hidraw->minor] = NULL; + mutex_unlock(&minors_lock); + + device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor)); + + if (hidraw->open) { + hid->ll_driver->close(hid); + wake_up_interruptible(&hidraw->wait); + } else { + kfree(hidraw); + } +} +EXPORT_SYMBOL_GPL(hidraw_disconnect); + +int __init hidraw_init(void) +{ + int result; + dev_t dev_id; + + result = alloc_chrdev_region(&dev_id, HIDRAW_FIRST_MINOR, + HIDRAW_MAX_DEVICES, "hidraw"); + + hidraw_major = MAJOR(dev_id); + + if (result < 0) { + printk(KERN_WARNING "hidraw: can't get major number\n"); + result = 0; + goto out; + } + + hidraw_class = class_create(THIS_MODULE, "hidraw"); + if (IS_ERR(hidraw_class)) { + result = PTR_ERR(hidraw_class); + unregister_chrdev(hidraw_major, "hidraw"); + goto out; + } + + cdev_init(&hidraw_cdev, &hidraw_ops); + cdev_add(&hidraw_cdev, dev_id, HIDRAW_MAX_DEVICES); +out: + return result; +} + +void hidraw_exit(void) +{ + dev_t dev_id = MKDEV(hidraw_major, 0); + + cdev_del(&hidraw_cdev); + class_destroy(hidraw_class); + unregister_chrdev_region(dev_id, HIDRAW_MAX_DEVICES); + +} diff --git a/drivers/hid/usbhid/Kconfig b/drivers/hid/usbhid/Kconfig new file mode 100644 index 0000000..5d9aa95 --- /dev/null +++ b/drivers/hid/usbhid/Kconfig @@ -0,0 +1,84 @@ +comment "USB Input Devices" + depends on USB + +config USB_HID + tristate "USB Human Interface Device (full HID) support" + default y + depends on USB && INPUT + select HID + ---help--- + Say Y here if you want full HID support to connect USB keyboards, + mice, joysticks, graphic tablets, or any other HID based devices + to your computer via USB, as well as Uninterruptible Power Supply + (UPS) and monitor control devices. + + You can't use this driver and the HIDBP (Boot Protocol) keyboard + and mouse drivers at the same time. More information is available: + <file:Documentation/input/input.txt>. + + If unsure, say Y. + + To compile this driver as a module, choose M here: the + module will be called usbhid. + +comment "Input core support is needed for USB HID input layer or HIDBP support" + depends on USB_HID && INPUT=n + +config HID_PID + bool "PID device support" + help + Say Y here if you have a PID-compliant device and wish to enable force + feedback for it. Microsoft Sidewinder Force Feedback 2 is one of such + devices. + +config USB_HIDDEV + bool "/dev/hiddev raw HID device support" + depends on USB_HID + help + Say Y here if you want to support HID devices (from the USB + specification standpoint) that aren't strictly user interface + devices, like monitor controls and Uninterruptable Power Supplies. + + This module supports these devices separately using a separate + event interface on /dev/usb/hiddevX (char 180:96 to 180:111). + + If unsure, say Y. + +menu "USB HID Boot Protocol drivers" + depends on USB!=n && USB_HID!=y + +config USB_KBD + tristate "USB HIDBP Keyboard (simple Boot) support" + depends on USB && INPUT + ---help--- + Say Y here only if you are absolutely sure that you don't want + to use the generic HID driver for your USB keyboard and prefer + to use the keyboard in its limited Boot Protocol mode instead. + + This is almost certainly not what you want. This is mostly + useful for embedded applications or simple keyboards. + + To compile this driver as a module, choose M here: the + module will be called usbkbd. + + If even remotely unsure, say N. + +config USB_MOUSE + tristate "USB HIDBP Mouse (simple Boot) support" + depends on USB && INPUT + ---help--- + Say Y here only if you are absolutely sure that you don't want + to use the generic HID driver for your USB mouse and prefer + to use the mouse in its limited Boot Protocol mode instead. + + This is almost certainly not what you want. This is mostly + useful for embedded applications or simple mice. + + To compile this driver as a module, choose M here: the + module will be called usbmouse. + + If even remotely unsure, say N. + +endmenu + + diff --git a/drivers/hid/usbhid/Makefile b/drivers/hid/usbhid/Makefile new file mode 100644 index 0000000..1329ecb --- /dev/null +++ b/drivers/hid/usbhid/Makefile @@ -0,0 +1,20 @@ +# +# Makefile for the USB input drivers +# + +# Multipart objects. +usbhid-objs := hid-core.o hid-quirks.o + +# Optional parts of multipart objects. + +ifeq ($(CONFIG_USB_HIDDEV),y) + usbhid-objs += hiddev.o +endif +ifeq ($(CONFIG_HID_PID),y) + usbhid-objs += hid-pidff.o +endif + +obj-$(CONFIG_USB_HID) += usbhid.o +obj-$(CONFIG_USB_KBD) += usbkbd.o +obj-$(CONFIG_USB_MOUSE) += usbmouse.o + diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c new file mode 100644 index 0000000..606369e --- /dev/null +++ b/drivers/hid/usbhid/hid-core.c @@ -0,0 +1,1168 @@ +/* + * USB HID support for Linux + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/mm.h> +#include <linux/mutex.h> +#include <linux/smp_lock.h> +#include <linux/spinlock.h> +#include <asm/unaligned.h> +#include <asm/byteorder.h> +#include <linux/input.h> +#include <linux/wait.h> + +#include <linux/usb.h> + +#include <linux/hid.h> +#include <linux/hiddev.h> +#include <linux/hid-debug.h> +#include <linux/hidraw.h> +#include "usbhid.h" + +/* + * Version Information + */ + +#define DRIVER_VERSION "v2.6" +#define DRIVER_AUTHOR "Andreas Gal, Vojtech Pavlik, Jiri Kosina" +#define DRIVER_DESC "USB HID core driver" +#define DRIVER_LICENSE "GPL" + +/* + * Module parameters. + */ + +static unsigned int hid_mousepoll_interval; +module_param_named(mousepoll, hid_mousepoll_interval, uint, 0644); +MODULE_PARM_DESC(mousepoll, "Polling interval of mice"); + +/* Quirks specified at module load time */ +static char *quirks_param[MAX_USBHID_BOOT_QUIRKS] = { [ 0 ... (MAX_USBHID_BOOT_QUIRKS - 1) ] = NULL }; +module_param_array_named(quirks, quirks_param, charp, NULL, 0444); +MODULE_PARM_DESC(quirks, "Add/modify USB HID quirks by specifying " + " quirks=vendorID:productID:quirks" + " where vendorID, productID, and quirks are all in" + " 0x-prefixed hex"); +/* + * Input submission and I/O error handler. + */ + +static void hid_io_error(struct hid_device *hid); + +/* Start up the input URB */ +static int hid_start_in(struct hid_device *hid) +{ + unsigned long flags; + int rc = 0; + struct usbhid_device *usbhid = hid->driver_data; + + spin_lock_irqsave(&usbhid->inlock, flags); + if (hid->open > 0 && !test_bit(HID_SUSPENDED, &usbhid->iofl) && + !test_bit(HID_DISCONNECTED, &usbhid->iofl) && + !test_and_set_bit(HID_IN_RUNNING, &usbhid->iofl)) { + rc = usb_submit_urb(usbhid->urbin, GFP_ATOMIC); + if (rc != 0) + clear_bit(HID_IN_RUNNING, &usbhid->iofl); + } + spin_unlock_irqrestore(&usbhid->inlock, flags); + return rc; +} + +/* I/O retry timer routine */ +static void hid_retry_timeout(unsigned long _hid) +{ + struct hid_device *hid = (struct hid_device *) _hid; + struct usbhid_device *usbhid = hid->driver_data; + + dev_dbg(&usbhid->intf->dev, "retrying intr urb\n"); + if (hid_start_in(hid)) + hid_io_error(hid); +} + +/* Workqueue routine to reset the device or clear a halt */ +static void hid_reset(struct work_struct *work) +{ + struct usbhid_device *usbhid = + container_of(work, struct usbhid_device, reset_work); + struct hid_device *hid = usbhid->hid; + int rc_lock, rc = 0; + + if (test_bit(HID_CLEAR_HALT, &usbhid->iofl)) { + dev_dbg(&usbhid->intf->dev, "clear halt\n"); + rc = usb_clear_halt(hid_to_usb_dev(hid), usbhid->urbin->pipe); + clear_bit(HID_CLEAR_HALT, &usbhid->iofl); + hid_start_in(hid); + } + + else if (test_bit(HID_RESET_PENDING, &usbhid->iofl)) { + dev_dbg(&usbhid->intf->dev, "resetting device\n"); + rc = rc_lock = usb_lock_device_for_reset(hid_to_usb_dev(hid), usbhid->intf); + if (rc_lock >= 0) { + rc = usb_reset_device(hid_to_usb_dev(hid)); + if (rc_lock) + usb_unlock_device(hid_to_usb_dev(hid)); + } + clear_bit(HID_RESET_PENDING, &usbhid->iofl); + } + + switch (rc) { + case 0: + if (!test_bit(HID_IN_RUNNING, &usbhid->iofl)) + hid_io_error(hid); + break; + default: + err_hid("can't reset device, %s-%s/input%d, status %d", + hid_to_usb_dev(hid)->bus->bus_name, + hid_to_usb_dev(hid)->devpath, + usbhid->ifnum, rc); + /* FALLTHROUGH */ + case -EHOSTUNREACH: + case -ENODEV: + case -EINTR: + break; + } +} + +/* Main I/O error handler */ +static void hid_io_error(struct hid_device *hid) +{ + unsigned long flags; + struct usbhid_device *usbhid = hid->driver_data; + + spin_lock_irqsave(&usbhid->inlock, flags); + + /* Stop when disconnected */ + if (test_bit(HID_DISCONNECTED, &usbhid->iofl)) + goto done; + + /* If it has been a while since the last error, we'll assume + * this a brand new error and reset the retry timeout. */ + if (time_after(jiffies, usbhid->stop_retry + HZ/2)) + usbhid->retry_delay = 0; + + /* When an error occurs, retry at increasing intervals */ + if (usbhid->retry_delay == 0) { + usbhid->retry_delay = 13; /* Then 26, 52, 104, 104, ... */ + usbhid->stop_retry = jiffies + msecs_to_jiffies(1000); + } else if (usbhid->retry_delay < 100) + usbhid->retry_delay *= 2; + + if (time_after(jiffies, usbhid->stop_retry)) { + + /* Retries failed, so do a port reset */ + if (!test_and_set_bit(HID_RESET_PENDING, &usbhid->iofl)) { + schedule_work(&usbhid->reset_work); + goto done; + } + } + + mod_timer(&usbhid->io_retry, + jiffies + msecs_to_jiffies(usbhid->retry_delay)); +done: + spin_unlock_irqrestore(&usbhid->inlock, flags); +} + +/* + * Input interrupt completion handler. + */ + +static void hid_irq_in(struct urb *urb) +{ + struct hid_device *hid = urb->context; + struct usbhid_device *usbhid = hid->driver_data; + int status; + + switch (urb->status) { + case 0: /* success */ + usbhid->retry_delay = 0; + hid_input_report(urb->context, HID_INPUT_REPORT, + urb->transfer_buffer, + urb->actual_length, 1); + break; + case -EPIPE: /* stall */ + clear_bit(HID_IN_RUNNING, &usbhid->iofl); + set_bit(HID_CLEAR_HALT, &usbhid->iofl); + schedule_work(&usbhid->reset_work); + return; + case -ECONNRESET: /* unlink */ + case -ENOENT: + case -ESHUTDOWN: /* unplug */ + clear_bit(HID_IN_RUNNING, &usbhid->iofl); + return; + case -EILSEQ: /* protocol error or unplug */ + case -EPROTO: /* protocol error or unplug */ + case -ETIME: /* protocol error or unplug */ + case -ETIMEDOUT: /* Should never happen, but... */ + clear_bit(HID_IN_RUNNING, &usbhid->iofl); + hid_io_error(hid); + return; + default: /* error */ + dev_warn(&urb->dev->dev, "input irq status %d " + "received\n", urb->status); + } + + status = usb_submit_urb(urb, GFP_ATOMIC); + if (status) { + clear_bit(HID_IN_RUNNING, &usbhid->iofl); + if (status != -EPERM) { + err_hid("can't resubmit intr, %s-%s/input%d, status %d", + hid_to_usb_dev(hid)->bus->bus_name, + hid_to_usb_dev(hid)->devpath, + usbhid->ifnum, status); + hid_io_error(hid); + } + } +} + +static int hid_submit_out(struct hid_device *hid) +{ + struct hid_report *report; + char *raw_report; + struct usbhid_device *usbhid = hid->driver_data; + + report = usbhid->out[usbhid->outtail].report; + raw_report = usbhid->out[usbhid->outtail].raw_report; + + usbhid->urbout->transfer_buffer_length = ((report->size - 1) >> 3) + 1 + (report->id > 0); + usbhid->urbout->dev = hid_to_usb_dev(hid); + memcpy(usbhid->outbuf, raw_report, usbhid->urbout->transfer_buffer_length); + kfree(raw_report); + + dbg_hid("submitting out urb\n"); + + if (usb_submit_urb(usbhid->urbout, GFP_ATOMIC)) { + err_hid("usb_submit_urb(out) failed"); + return -1; + } + + return 0; +} + +static int hid_submit_ctrl(struct hid_device *hid) +{ + struct hid_report *report; + unsigned char dir; + char *raw_report; + int len; + struct usbhid_device *usbhid = hid->driver_data; + + report = usbhid->ctrl[usbhid->ctrltail].report; + raw_report = usbhid->ctrl[usbhid->ctrltail].raw_report; + dir = usbhid->ctrl[usbhid->ctrltail].dir; + + len = ((report->size - 1) >> 3) + 1 + (report->id > 0); + if (dir == USB_DIR_OUT) { + usbhid->urbctrl->pipe = usb_sndctrlpipe(hid_to_usb_dev(hid), 0); + usbhid->urbctrl->transfer_buffer_length = len; + memcpy(usbhid->ctrlbuf, raw_report, len); + kfree(raw_report); + } else { + int maxpacket, padlen; + + usbhid->urbctrl->pipe = usb_rcvctrlpipe(hid_to_usb_dev(hid), 0); + maxpacket = usb_maxpacket(hid_to_usb_dev(hid), usbhid->urbctrl->pipe, 0); + if (maxpacket > 0) { + padlen = DIV_ROUND_UP(len, maxpacket); + padlen *= maxpacket; + if (padlen > usbhid->bufsize) + padlen = usbhid->bufsize; + } else + padlen = 0; + usbhid->urbctrl->transfer_buffer_length = padlen; + } + usbhid->urbctrl->dev = hid_to_usb_dev(hid); + + usbhid->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE | dir; + usbhid->cr->bRequest = (dir == USB_DIR_OUT) ? HID_REQ_SET_REPORT : HID_REQ_GET_REPORT; + usbhid->cr->wValue = cpu_to_le16(((report->type + 1) << 8) | report->id); + usbhid->cr->wIndex = cpu_to_le16(usbhid->ifnum); + usbhid->cr->wLength = cpu_to_le16(len); + + dbg_hid("submitting ctrl urb: %s wValue=0x%04x wIndex=0x%04x wLength=%u\n", + usbhid->cr->bRequest == HID_REQ_SET_REPORT ? "Set_Report" : "Get_Report", + usbhid->cr->wValue, usbhid->cr->wIndex, usbhid->cr->wLength); + + if (usb_submit_urb(usbhid->urbctrl, GFP_ATOMIC)) { + err_hid("usb_submit_urb(ctrl) failed"); + return -1; + } + + return 0; +} + +/* + * Output interrupt completion handler. + */ + +static void hid_irq_out(struct urb *urb) +{ + struct hid_device *hid = urb->context; + struct usbhid_device *usbhid = hid->driver_data; + unsigned long flags; + int unplug = 0; + + switch (urb->status) { + case 0: /* success */ + break; + case -ESHUTDOWN: /* unplug */ + unplug = 1; + case -EILSEQ: /* protocol error or unplug */ + case -EPROTO: /* protocol error or unplug */ + case -ECONNRESET: /* unlink */ + case -ENOENT: + break; + default: /* error */ + dev_warn(&urb->dev->dev, "output irq status %d " + "received\n", urb->status); + } + + spin_lock_irqsave(&usbhid->outlock, flags); + + if (unplug) + usbhid->outtail = usbhid->outhead; + else + usbhid->outtail = (usbhid->outtail + 1) & (HID_OUTPUT_FIFO_SIZE - 1); + + if (usbhid->outhead != usbhid->outtail) { + if (hid_submit_out(hid)) { + clear_bit(HID_OUT_RUNNING, &usbhid->iofl); + wake_up(&usbhid->wait); + } + spin_unlock_irqrestore(&usbhid->outlock, flags); + return; + } + + clear_bit(HID_OUT_RUNNING, &usbhid->iofl); + spin_unlock_irqrestore(&usbhid->outlock, flags); + wake_up(&usbhid->wait); +} + +/* + * Control pipe completion handler. + */ + +static void hid_ctrl(struct urb *urb) +{ + struct hid_device *hid = urb->context; + struct usbhid_device *usbhid = hid->driver_data; + unsigned long flags; + int unplug = 0; + + spin_lock_irqsave(&usbhid->ctrllock, flags); + + switch (urb->status) { + case 0: /* success */ + if (usbhid->ctrl[usbhid->ctrltail].dir == USB_DIR_IN) + hid_input_report(urb->context, + usbhid->ctrl[usbhid->ctrltail].report->type, + urb->transfer_buffer, urb->actual_length, 0); + break; + case -ESHUTDOWN: /* unplug */ + unplug = 1; + case -EILSEQ: /* protocol error or unplug */ + case -EPROTO: /* protocol error or unplug */ + case -ECONNRESET: /* unlink */ + case -ENOENT: + case -EPIPE: /* report not available */ + break; + default: /* error */ + dev_warn(&urb->dev->dev, "ctrl urb status %d " + "received\n", urb->status); + } + + if (unplug) + usbhid->ctrltail = usbhid->ctrlhead; + else + usbhid->ctrltail = (usbhid->ctrltail + 1) & (HID_CONTROL_FIFO_SIZE - 1); + + if (usbhid->ctrlhead != usbhid->ctrltail) { + if (hid_submit_ctrl(hid)) { + clear_bit(HID_CTRL_RUNNING, &usbhid->iofl); + wake_up(&usbhid->wait); + } + spin_unlock_irqrestore(&usbhid->ctrllock, flags); + return; + } + + clear_bit(HID_CTRL_RUNNING, &usbhid->iofl); + spin_unlock_irqrestore(&usbhid->ctrllock, flags); + wake_up(&usbhid->wait); +} + +void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir) +{ + int head; + unsigned long flags; + struct usbhid_device *usbhid = hid->driver_data; + int len = ((report->size - 1) >> 3) + 1 + (report->id > 0); + + if ((hid->quirks & HID_QUIRK_NOGET) && dir == USB_DIR_IN) + return; + + if (usbhid->urbout && dir == USB_DIR_OUT && report->type == HID_OUTPUT_REPORT) { + + spin_lock_irqsave(&usbhid->outlock, flags); + + if ((head = (usbhid->outhead + 1) & (HID_OUTPUT_FIFO_SIZE - 1)) == usbhid->outtail) { + spin_unlock_irqrestore(&usbhid->outlock, flags); + dev_warn(&hid->dev, "output queue full\n"); + return; + } + + usbhid->out[usbhid->outhead].raw_report = kmalloc(len, GFP_ATOMIC); + if (!usbhid->out[usbhid->outhead].raw_report) { + spin_unlock_irqrestore(&usbhid->outlock, flags); + dev_warn(&hid->dev, "output queueing failed\n"); + return; + } + hid_output_report(report, usbhid->out[usbhid->outhead].raw_report); + usbhid->out[usbhid->outhead].report = report; + usbhid->outhead = head; + + if (!test_and_set_bit(HID_OUT_RUNNING, &usbhid->iofl)) + if (hid_submit_out(hid)) + clear_bit(HID_OUT_RUNNING, &usbhid->iofl); + + spin_unlock_irqrestore(&usbhid->outlock, flags); + return; + } + + spin_lock_irqsave(&usbhid->ctrllock, flags); + + if ((head = (usbhid->ctrlhead + 1) & (HID_CONTROL_FIFO_SIZE - 1)) == usbhid->ctrltail) { + spin_unlock_irqrestore(&usbhid->ctrllock, flags); + dev_warn(&hid->dev, "control queue full\n"); + return; + } + + if (dir == USB_DIR_OUT) { + usbhid->ctrl[usbhid->ctrlhead].raw_report = kmalloc(len, GFP_ATOMIC); + if (!usbhid->ctrl[usbhid->ctrlhead].raw_report) { + spin_unlock_irqrestore(&usbhid->ctrllock, flags); + dev_warn(&hid->dev, "control queueing failed\n"); + return; + } + hid_output_report(report, usbhid->ctrl[usbhid->ctrlhead].raw_report); + } + usbhid->ctrl[usbhid->ctrlhead].report = report; + usbhid->ctrl[usbhid->ctrlhead].dir = dir; + usbhid->ctrlhead = head; + + if (!test_and_set_bit(HID_CTRL_RUNNING, &usbhid->iofl)) + if (hid_submit_ctrl(hid)) + clear_bit(HID_CTRL_RUNNING, &usbhid->iofl); + + spin_unlock_irqrestore(&usbhid->ctrllock, flags); +} +EXPORT_SYMBOL_GPL(usbhid_submit_report); + +static int usb_hidinput_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) +{ + struct hid_device *hid = input_get_drvdata(dev); + struct hid_field *field; + int offset; + + if (type == EV_FF) + return input_ff_event(dev, type, code, value); + + if (type != EV_LED) + return -1; + + if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) { + dev_warn(&dev->dev, "event field not found\n"); + return -1; + } + + hid_set_field(field, offset, value); + usbhid_submit_report(hid, field->report, USB_DIR_OUT); + + return 0; +} + +int usbhid_wait_io(struct hid_device *hid) +{ + struct usbhid_device *usbhid = hid->driver_data; + + if (!wait_event_timeout(usbhid->wait, + (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl) && + !test_bit(HID_OUT_RUNNING, &usbhid->iofl)), + 10*HZ)) { + dbg_hid("timeout waiting for ctrl or out queue to clear\n"); + return -1; + } + + return 0; +} + +static int hid_set_idle(struct usb_device *dev, int ifnum, int report, int idle) +{ + return usb_control_msg(dev, usb_sndctrlpipe(dev, 0), + HID_REQ_SET_IDLE, USB_TYPE_CLASS | USB_RECIP_INTERFACE, (idle << 8) | report, + ifnum, NULL, 0, USB_CTRL_SET_TIMEOUT); +} + +static int hid_get_class_descriptor(struct usb_device *dev, int ifnum, + unsigned char type, void *buf, int size) +{ + int result, retries = 4; + + memset(buf, 0, size); + + do { + result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), + USB_REQ_GET_DESCRIPTOR, USB_RECIP_INTERFACE | USB_DIR_IN, + (type << 8), ifnum, buf, size, USB_CTRL_GET_TIMEOUT); + retries--; + } while (result < size && retries); + return result; +} + +int usbhid_open(struct hid_device *hid) +{ + struct usbhid_device *usbhid = hid->driver_data; + int res; + + if (!hid->open++) { + res = usb_autopm_get_interface(usbhid->intf); + if (res < 0) { + hid->open--; + return -EIO; + } + } + if (hid_start_in(hid)) + hid_io_error(hid); + return 0; +} + +void usbhid_close(struct hid_device *hid) +{ + struct usbhid_device *usbhid = hid->driver_data; + + if (!--hid->open) { + usb_kill_urb(usbhid->urbin); + usb_autopm_put_interface(usbhid->intf); + } +} + +/* + * Initialize all reports + */ + +void usbhid_init_reports(struct hid_device *hid) +{ + struct hid_report *report; + struct usbhid_device *usbhid = hid->driver_data; + int err, ret; + + list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].report_list, list) + usbhid_submit_report(hid, report, USB_DIR_IN); + + list_for_each_entry(report, &hid->report_enum[HID_FEATURE_REPORT].report_list, list) + usbhid_submit_report(hid, report, USB_DIR_IN); + + err = 0; + ret = usbhid_wait_io(hid); + while (ret) { + err |= ret; + if (test_bit(HID_CTRL_RUNNING, &usbhid->iofl)) + usb_kill_urb(usbhid->urbctrl); + if (test_bit(HID_OUT_RUNNING, &usbhid->iofl)) + usb_kill_urb(usbhid->urbout); + ret = usbhid_wait_io(hid); + } + + if (err) + dev_warn(&hid->dev, "timeout initializing reports\n"); +} + +/* + * Reset LEDs which BIOS might have left on. For now, just NumLock (0x01). + */ +static int hid_find_field_early(struct hid_device *hid, unsigned int page, + unsigned int hid_code, struct hid_field **pfield) +{ + struct hid_report *report; + struct hid_field *field; + struct hid_usage *usage; + int i, j; + + list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) { + for (i = 0; i < report->maxfield; i++) { + field = report->field[i]; + for (j = 0; j < field->maxusage; j++) { + usage = &field->usage[j]; + if ((usage->hid & HID_USAGE_PAGE) == page && + (usage->hid & 0xFFFF) == hid_code) { + *pfield = field; + return j; + } + } + } + } + return -1; +} + +void usbhid_set_leds(struct hid_device *hid) +{ + struct hid_field *field; + int offset; + + if ((offset = hid_find_field_early(hid, HID_UP_LED, 0x01, &field)) != -1) { + hid_set_field(field, offset, 0); + usbhid_submit_report(hid, field->report, USB_DIR_OUT); + } +} +EXPORT_SYMBOL_GPL(usbhid_set_leds); + +/* + * Traverse the supplied list of reports and find the longest + */ +static void hid_find_max_report(struct hid_device *hid, unsigned int type, + unsigned int *max) +{ + struct hid_report *report; + unsigned int size; + + list_for_each_entry(report, &hid->report_enum[type].report_list, list) { + size = ((report->size - 1) >> 3) + 1; + if (type == HID_INPUT_REPORT && hid->report_enum[type].numbered) + size++; + if (*max < size) + *max = size; + } +} + +static int hid_alloc_buffers(struct usb_device *dev, struct hid_device *hid) +{ + struct usbhid_device *usbhid = hid->driver_data; + + if (!(usbhid->inbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->inbuf_dma))) + return -1; + if (!(usbhid->outbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->outbuf_dma))) + return -1; + if (!(usbhid->cr = usb_buffer_alloc(dev, sizeof(*(usbhid->cr)), GFP_ATOMIC, &usbhid->cr_dma))) + return -1; + if (!(usbhid->ctrlbuf = usb_buffer_alloc(dev, usbhid->bufsize, GFP_ATOMIC, &usbhid->ctrlbuf_dma))) + return -1; + + return 0; +} + +static int usbhid_output_raw_report(struct hid_device *hid, __u8 *buf, size_t count) +{ + struct usbhid_device *usbhid = hid->driver_data; + struct usb_device *dev = hid_to_usb_dev(hid); + struct usb_interface *intf = usbhid->intf; + struct usb_host_interface *interface = intf->cur_altsetting; + int ret; + + ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), + HID_REQ_SET_REPORT, + USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, + ((HID_OUTPUT_REPORT + 1) << 8) | *buf, + interface->desc.bInterfaceNumber, buf + 1, count - 1, + USB_CTRL_SET_TIMEOUT); + + /* count also the report id */ + if (ret > 0) + ret++; + + return ret; +} + +static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid) +{ + struct usbhid_device *usbhid = hid->driver_data; + + usb_buffer_free(dev, usbhid->bufsize, usbhid->inbuf, usbhid->inbuf_dma); + usb_buffer_free(dev, usbhid->bufsize, usbhid->outbuf, usbhid->outbuf_dma); + usb_buffer_free(dev, sizeof(*(usbhid->cr)), usbhid->cr, usbhid->cr_dma); + usb_buffer_free(dev, usbhid->bufsize, usbhid->ctrlbuf, usbhid->ctrlbuf_dma); +} + +static int usbhid_parse(struct hid_device *hid) +{ + struct usb_interface *intf = to_usb_interface(hid->dev.parent); + struct usb_host_interface *interface = intf->cur_altsetting; + struct usb_device *dev = interface_to_usbdev (intf); + struct hid_descriptor *hdesc; + u32 quirks = 0; + unsigned int rsize = 0; + char *rdesc; + int ret, n; + + quirks = usbhid_lookup_quirk(le16_to_cpu(dev->descriptor.idVendor), + le16_to_cpu(dev->descriptor.idProduct)); + + /* Many keyboards and mice don't like to be polled for reports, + * so we will always set the HID_QUIRK_NOGET flag for them. */ + if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT) { + if (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_KEYBOARD || + interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE) + quirks |= HID_QUIRK_NOGET; + } + + if (usb_get_extra_descriptor(interface, HID_DT_HID, &hdesc) && + (!interface->desc.bNumEndpoints || + usb_get_extra_descriptor(&interface->endpoint[0], HID_DT_HID, &hdesc))) { + dbg_hid("class descriptor not present\n"); + return -ENODEV; + } + + hid->version = le16_to_cpu(hdesc->bcdHID); + hid->country = hdesc->bCountryCode; + + for (n = 0; n < hdesc->bNumDescriptors; n++) + if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT) + rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength); + + if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) { + dbg_hid("weird size of report descriptor (%u)\n", rsize); + return -EINVAL; + } + + if (!(rdesc = kmalloc(rsize, GFP_KERNEL))) { + dbg_hid("couldn't allocate rdesc memory\n"); + return -ENOMEM; + } + + hid_set_idle(dev, interface->desc.bInterfaceNumber, 0, 0); + + ret = hid_get_class_descriptor(dev, interface->desc.bInterfaceNumber, + HID_DT_REPORT, rdesc, rsize); + if (ret < 0) { + dbg_hid("reading report descriptor failed\n"); + kfree(rdesc); + goto err; + } + + dbg_hid("report descriptor (size %u, read %d) = ", rsize, n); + for (n = 0; n < rsize; n++) + dbg_hid_line(" %02x", (unsigned char) rdesc[n]); + dbg_hid_line("\n"); + + ret = hid_parse_report(hid, rdesc, rsize); + kfree(rdesc); + if (ret) { + dbg_hid("parsing report descriptor failed\n"); + goto err; + } + + hid->quirks = quirks; + + return 0; +err: + return ret; +} + +static int usbhid_start(struct hid_device *hid) +{ + struct usb_interface *intf = to_usb_interface(hid->dev.parent); + struct usb_host_interface *interface = intf->cur_altsetting; + struct usb_device *dev = interface_to_usbdev(intf); + struct usbhid_device *usbhid = hid->driver_data; + unsigned int n, insize = 0; + int ret; + + clear_bit(HID_DISCONNECTED, &usbhid->iofl); + + usbhid->bufsize = HID_MIN_BUFFER_SIZE; + hid_find_max_report(hid, HID_INPUT_REPORT, &usbhid->bufsize); + hid_find_max_report(hid, HID_OUTPUT_REPORT, &usbhid->bufsize); + hid_find_max_report(hid, HID_FEATURE_REPORT, &usbhid->bufsize); + + if (usbhid->bufsize > HID_MAX_BUFFER_SIZE) + usbhid->bufsize = HID_MAX_BUFFER_SIZE; + + hid_find_max_report(hid, HID_INPUT_REPORT, &insize); + + if (insize > HID_MAX_BUFFER_SIZE) + insize = HID_MAX_BUFFER_SIZE; + + if (hid_alloc_buffers(dev, hid)) { + ret = -ENOMEM; + goto fail; + } + + for (n = 0; n < interface->desc.bNumEndpoints; n++) { + struct usb_endpoint_descriptor *endpoint; + int pipe; + int interval; + + endpoint = &interface->endpoint[n].desc; + if ((endpoint->bmAttributes & 3) != 3) /* Not an interrupt endpoint */ + continue; + + interval = endpoint->bInterval; + + /* Some vendors give fullspeed interval on highspeed devides */ + if (hid->quirks & HID_QUIRK_FULLSPEED_INTERVAL && + dev->speed == USB_SPEED_HIGH) { + interval = fls(endpoint->bInterval*8); + printk(KERN_INFO "%s: Fixing fullspeed to highspeed interval: %d -> %d\n", + hid->name, endpoint->bInterval, interval); + } + + /* Change the polling interval of mice. */ + if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0) + interval = hid_mousepoll_interval; + + ret = -ENOMEM; + if (usb_endpoint_dir_in(endpoint)) { + if (usbhid->urbin) + continue; + if (!(usbhid->urbin = usb_alloc_urb(0, GFP_KERNEL))) + goto fail; + pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress); + usb_fill_int_urb(usbhid->urbin, dev, pipe, usbhid->inbuf, insize, + hid_irq_in, hid, interval); + usbhid->urbin->transfer_dma = usbhid->inbuf_dma; + usbhid->urbin->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + } else { + if (usbhid->urbout) + continue; + if (!(usbhid->urbout = usb_alloc_urb(0, GFP_KERNEL))) + goto fail; + pipe = usb_sndintpipe(dev, endpoint->bEndpointAddress); + usb_fill_int_urb(usbhid->urbout, dev, pipe, usbhid->outbuf, 0, + hid_irq_out, hid, interval); + usbhid->urbout->transfer_dma = usbhid->outbuf_dma; + usbhid->urbout->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + } + } + + init_waitqueue_head(&usbhid->wait); + INIT_WORK(&usbhid->reset_work, hid_reset); + setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid); + + spin_lock_init(&usbhid->inlock); + spin_lock_init(&usbhid->outlock); + spin_lock_init(&usbhid->ctrllock); + + usbhid->intf = intf; + usbhid->ifnum = interface->desc.bInterfaceNumber; + + usbhid->urbctrl = usb_alloc_urb(0, GFP_KERNEL); + if (!usbhid->urbctrl) { + ret = -ENOMEM; + goto fail; + } + + usb_fill_control_urb(usbhid->urbctrl, dev, 0, (void *) usbhid->cr, + usbhid->ctrlbuf, 1, hid_ctrl, hid); + usbhid->urbctrl->setup_dma = usbhid->cr_dma; + usbhid->urbctrl->transfer_dma = usbhid->ctrlbuf_dma; + usbhid->urbctrl->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP); + + usbhid_init_reports(hid); + hid_dump_device(hid); + + set_bit(HID_STARTED, &usbhid->iofl); + + return 0; + +fail: + usb_free_urb(usbhid->urbin); + usb_free_urb(usbhid->urbout); + usb_free_urb(usbhid->urbctrl); + usbhid->urbin = NULL; + usbhid->urbout = NULL; + usbhid->urbctrl = NULL; + hid_free_buffers(dev, hid); + return ret; +} + +static void usbhid_stop(struct hid_device *hid) +{ + struct usbhid_device *usbhid = hid->driver_data; + + if (WARN_ON(!usbhid)) + return; + + clear_bit(HID_STARTED, &usbhid->iofl); + spin_lock_irq(&usbhid->inlock); /* Sync with error handler */ + set_bit(HID_DISCONNECTED, &usbhid->iofl); + spin_unlock_irq(&usbhid->inlock); + usb_kill_urb(usbhid->urbin); + usb_kill_urb(usbhid->urbout); + usb_kill_urb(usbhid->urbctrl); + + del_timer_sync(&usbhid->io_retry); + cancel_work_sync(&usbhid->reset_work); + + if (hid->claimed & HID_CLAIMED_INPUT) + hidinput_disconnect(hid); + if (hid->claimed & HID_CLAIMED_HIDDEV) + hiddev_disconnect(hid); + if (hid->claimed & HID_CLAIMED_HIDRAW) + hidraw_disconnect(hid); + + hid->claimed = 0; + + usb_free_urb(usbhid->urbin); + usb_free_urb(usbhid->urbctrl); + usb_free_urb(usbhid->urbout); + usbhid->urbin = NULL; /* don't mess up next start */ + usbhid->urbctrl = NULL; + usbhid->urbout = NULL; + + hid_free_buffers(hid_to_usb_dev(hid), hid); +} + +static struct hid_ll_driver usb_hid_driver = { + .parse = usbhid_parse, + .start = usbhid_start, + .stop = usbhid_stop, + .open = usbhid_open, + .close = usbhid_close, + .hidinput_input_event = usb_hidinput_input_event, +}; + +static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id) +{ + struct usb_host_interface *interface = intf->cur_altsetting; + struct usb_device *dev = interface_to_usbdev(intf); + struct usbhid_device *usbhid; + struct hid_device *hid; + unsigned int n, has_in = 0; + size_t len; + int ret; + + dbg_hid("HID probe called for ifnum %d\n", + intf->altsetting->desc.bInterfaceNumber); + + for (n = 0; n < interface->desc.bNumEndpoints; n++) + if (usb_endpoint_is_int_in(&interface->endpoint[n].desc)) + has_in++; + if (!has_in) { + dev_err(&intf->dev, "couldn't find an input interrupt " + "endpoint\n"); + return -ENODEV; + } + + hid = hid_allocate_device(); + if (IS_ERR(hid)) + return PTR_ERR(hid); + + usb_set_intfdata(intf, hid); + hid->ll_driver = &usb_hid_driver; + hid->hid_output_raw_report = usbhid_output_raw_report; + hid->ff_init = hid_pidff_init; +#ifdef CONFIG_USB_HIDDEV + hid->hiddev_connect = hiddev_connect; + hid->hiddev_hid_event = hiddev_hid_event; + hid->hiddev_report_event = hiddev_report_event; +#endif + hid->dev.parent = &intf->dev; + hid->bus = BUS_USB; + hid->vendor = le16_to_cpu(dev->descriptor.idVendor); + hid->product = le16_to_cpu(dev->descriptor.idProduct); + hid->name[0] = 0; + if (intf->cur_altsetting->desc.bInterfaceProtocol == + USB_INTERFACE_PROTOCOL_MOUSE) + hid->type = HID_TYPE_USBMOUSE; + + if (dev->manufacturer) + strlcpy(hid->name, dev->manufacturer, sizeof(hid->name)); + + if (dev->product) { + if (dev->manufacturer) + strlcat(hid->name, " ", sizeof(hid->name)); + strlcat(hid->name, dev->product, sizeof(hid->name)); + } + + if (!strlen(hid->name)) + snprintf(hid->name, sizeof(hid->name), "HID %04x:%04x", + le16_to_cpu(dev->descriptor.idVendor), + le16_to_cpu(dev->descriptor.idProduct)); + + usb_make_path(dev, hid->phys, sizeof(hid->phys)); + strlcat(hid->phys, "/input", sizeof(hid->phys)); + len = strlen(hid->phys); + if (len < sizeof(hid->phys) - 1) + snprintf(hid->phys + len, sizeof(hid->phys) - len, + "%d", intf->altsetting[0].desc.bInterfaceNumber); + + if (usb_string(dev, dev->descriptor.iSerialNumber, hid->uniq, 64) <= 0) + hid->uniq[0] = 0; + + usbhid = kzalloc(sizeof(*usbhid), GFP_KERNEL); + if (usbhid == NULL) { + ret = -ENOMEM; + goto err; + } + + hid->driver_data = usbhid; + usbhid->hid = hid; + + ret = hid_add_device(hid); + if (ret) { + if (ret != -ENODEV) + dev_err(&intf->dev, "can't add hid device: %d\n", ret); + goto err_free; + } + + return 0; +err_free: + kfree(usbhid); +err: + hid_destroy_device(hid); + return ret; +} + +static void hid_disconnect(struct usb_interface *intf) +{ + struct hid_device *hid = usb_get_intfdata(intf); + struct usbhid_device *usbhid; + + if (WARN_ON(!hid)) + return; + + usbhid = hid->driver_data; + hid_destroy_device(hid); + kfree(usbhid); +} + +static int hid_suspend(struct usb_interface *intf, pm_message_t message) +{ + struct hid_device *hid = usb_get_intfdata (intf); + struct usbhid_device *usbhid = hid->driver_data; + + if (!test_bit(HID_STARTED, &usbhid->iofl)) + return 0; + + spin_lock_irq(&usbhid->inlock); /* Sync with error handler */ + set_bit(HID_SUSPENDED, &usbhid->iofl); + spin_unlock_irq(&usbhid->inlock); + del_timer_sync(&usbhid->io_retry); + usb_kill_urb(usbhid->urbin); + dev_dbg(&intf->dev, "suspend\n"); + return 0; +} + +static int hid_resume(struct usb_interface *intf) +{ + struct hid_device *hid = usb_get_intfdata (intf); + struct usbhid_device *usbhid = hid->driver_data; + int status; + + if (!test_bit(HID_STARTED, &usbhid->iofl)) + return 0; + + clear_bit(HID_SUSPENDED, &usbhid->iofl); + usbhid->retry_delay = 0; + status = hid_start_in(hid); + dev_dbg(&intf->dev, "resume status %d\n", status); + return status; +} + +/* Treat USB reset pretty much the same as suspend/resume */ +static int hid_pre_reset(struct usb_interface *intf) +{ + /* FIXME: What if the interface is already suspended? */ + hid_suspend(intf, PMSG_ON); + return 0; +} + +/* Same routine used for post_reset and reset_resume */ +static int hid_post_reset(struct usb_interface *intf) +{ + struct usb_device *dev = interface_to_usbdev (intf); + + hid_set_idle(dev, intf->cur_altsetting->desc.bInterfaceNumber, 0, 0); + /* FIXME: Any more reinitialization needed? */ + + return hid_resume(intf); +} + +static struct usb_device_id hid_usb_ids [] = { + { .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS, + .bInterfaceClass = USB_INTERFACE_CLASS_HID }, + { } /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE (usb, hid_usb_ids); + +static struct usb_driver hid_driver = { + .name = "usbhid", + .probe = hid_probe, + .disconnect = hid_disconnect, + .suspend = hid_suspend, + .resume = hid_resume, + .reset_resume = hid_post_reset, + .pre_reset = hid_pre_reset, + .post_reset = hid_post_reset, + .id_table = hid_usb_ids, + .supports_autosuspend = 1, +}; + +static const struct hid_device_id hid_usb_table[] = { + { HID_USB_DEVICE(HID_ANY_ID, HID_ANY_ID) }, + { } +}; + +static struct hid_driver hid_usb_driver = { + .name = "generic-usb", + .id_table = hid_usb_table, +}; + +static int __init hid_init(void) +{ + int retval; + retval = hid_register_driver(&hid_usb_driver); + if (retval) + goto hid_register_fail; + retval = usbhid_quirks_init(quirks_param); + if (retval) + goto usbhid_quirks_init_fail; + retval = hiddev_init(); + if (retval) + goto hiddev_init_fail; + retval = usb_register(&hid_driver); + if (retval) + goto usb_register_fail; + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" + DRIVER_DESC "\n"); + + return 0; +usb_register_fail: + hiddev_exit(); +hiddev_init_fail: + usbhid_quirks_exit(); +usbhid_quirks_init_fail: + hid_unregister_driver(&hid_usb_driver); +hid_register_fail: + return retval; +} + +static void __exit hid_exit(void) +{ + usb_deregister(&hid_driver); + hiddev_exit(); + usbhid_quirks_exit(); + hid_unregister_driver(&hid_usb_driver); +} + +module_init(hid_init); +module_exit(hid_exit); + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE(DRIVER_LICENSE); diff --git a/drivers/hid/usbhid/hid-pidff.c b/drivers/hid/usbhid/hid-pidff.c new file mode 100644 index 0000000..484e3ee --- /dev/null +++ b/drivers/hid/usbhid/hid-pidff.c @@ -0,0 +1,1333 @@ +/* + * Force feedback driver for USB HID PID compliant devices + * + * Copyright (c) 2005, 2006 Anssi Hannula <anssi.hannula@gmail.com> + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* #define DEBUG */ + +#define debug(format, arg...) pr_debug("hid-pidff: " format "\n" , ## arg) + +#include <linux/input.h> +#include <linux/usb.h> + +#include <linux/hid.h> + +#include "usbhid.h" + +#define PID_EFFECTS_MAX 64 + +/* Report usage table used to put reports into an array */ + +#define PID_SET_EFFECT 0 +#define PID_EFFECT_OPERATION 1 +#define PID_DEVICE_GAIN 2 +#define PID_POOL 3 +#define PID_BLOCK_LOAD 4 +#define PID_BLOCK_FREE 5 +#define PID_DEVICE_CONTROL 6 +#define PID_CREATE_NEW_EFFECT 7 + +#define PID_REQUIRED_REPORTS 7 + +#define PID_SET_ENVELOPE 8 +#define PID_SET_CONDITION 9 +#define PID_SET_PERIODIC 10 +#define PID_SET_CONSTANT 11 +#define PID_SET_RAMP 12 +static const u8 pidff_reports[] = { + 0x21, 0x77, 0x7d, 0x7f, 0x89, 0x90, 0x96, 0xab, + 0x5a, 0x5f, 0x6e, 0x73, 0x74 +}; + +/* device_control is really 0x95, but 0x96 specified as it is the usage of +the only field in that report */ + +/* Value usage tables used to put fields and values into arrays */ + +#define PID_EFFECT_BLOCK_INDEX 0 + +#define PID_DURATION 1 +#define PID_GAIN 2 +#define PID_TRIGGER_BUTTON 3 +#define PID_TRIGGER_REPEAT_INT 4 +#define PID_DIRECTION_ENABLE 5 +#define PID_START_DELAY 6 +static const u8 pidff_set_effect[] = { + 0x22, 0x50, 0x52, 0x53, 0x54, 0x56, 0xa7 +}; + +#define PID_ATTACK_LEVEL 1 +#define PID_ATTACK_TIME 2 +#define PID_FADE_LEVEL 3 +#define PID_FADE_TIME 4 +static const u8 pidff_set_envelope[] = { 0x22, 0x5b, 0x5c, 0x5d, 0x5e }; + +#define PID_PARAM_BLOCK_OFFSET 1 +#define PID_CP_OFFSET 2 +#define PID_POS_COEFFICIENT 3 +#define PID_NEG_COEFFICIENT 4 +#define PID_POS_SATURATION 5 +#define PID_NEG_SATURATION 6 +#define PID_DEAD_BAND 7 +static const u8 pidff_set_condition[] = { + 0x22, 0x23, 0x60, 0x61, 0x62, 0x63, 0x64, 0x65 +}; + +#define PID_MAGNITUDE 1 +#define PID_OFFSET 2 +#define PID_PHASE 3 +#define PID_PERIOD 4 +static const u8 pidff_set_periodic[] = { 0x22, 0x70, 0x6f, 0x71, 0x72 }; +static const u8 pidff_set_constant[] = { 0x22, 0x70 }; + +#define PID_RAMP_START 1 +#define PID_RAMP_END 2 +static const u8 pidff_set_ramp[] = { 0x22, 0x75, 0x76 }; + +#define PID_RAM_POOL_AVAILABLE 1 +static const u8 pidff_block_load[] = { 0x22, 0xac }; + +#define PID_LOOP_COUNT 1 +static const u8 pidff_effect_operation[] = { 0x22, 0x7c }; + +static const u8 pidff_block_free[] = { 0x22 }; + +#define PID_DEVICE_GAIN_FIELD 0 +static const u8 pidff_device_gain[] = { 0x7e }; + +#define PID_RAM_POOL_SIZE 0 +#define PID_SIMULTANEOUS_MAX 1 +#define PID_DEVICE_MANAGED_POOL 2 +static const u8 pidff_pool[] = { 0x80, 0x83, 0xa9 }; + +/* Special field key tables used to put special field keys into arrays */ + +#define PID_ENABLE_ACTUATORS 0 +#define PID_RESET 1 +static const u8 pidff_device_control[] = { 0x97, 0x9a }; + +#define PID_CONSTANT 0 +#define PID_RAMP 1 +#define PID_SQUARE 2 +#define PID_SINE 3 +#define PID_TRIANGLE 4 +#define PID_SAW_UP 5 +#define PID_SAW_DOWN 6 +#define PID_SPRING 7 +#define PID_DAMPER 8 +#define PID_INERTIA 9 +#define PID_FRICTION 10 +static const u8 pidff_effect_types[] = { + 0x26, 0x27, 0x30, 0x31, 0x32, 0x33, 0x34, + 0x40, 0x41, 0x42, 0x43 +}; + +#define PID_BLOCK_LOAD_SUCCESS 0 +#define PID_BLOCK_LOAD_FULL 1 +static const u8 pidff_block_load_status[] = { 0x8c, 0x8d }; + +#define PID_EFFECT_START 0 +#define PID_EFFECT_STOP 1 +static const u8 pidff_effect_operation_status[] = { 0x79, 0x7b }; + +struct pidff_usage { + struct hid_field *field; + s32 *value; +}; + +struct pidff_device { + struct hid_device *hid; + + struct hid_report *reports[sizeof(pidff_reports)]; + + struct pidff_usage set_effect[sizeof(pidff_set_effect)]; + struct pidff_usage set_envelope[sizeof(pidff_set_envelope)]; + struct pidff_usage set_condition[sizeof(pidff_set_condition)]; + struct pidff_usage set_periodic[sizeof(pidff_set_periodic)]; + struct pidff_usage set_constant[sizeof(pidff_set_constant)]; + struct pidff_usage set_ramp[sizeof(pidff_set_ramp)]; + + struct pidff_usage device_gain[sizeof(pidff_device_gain)]; + struct pidff_usage block_load[sizeof(pidff_block_load)]; + struct pidff_usage pool[sizeof(pidff_pool)]; + struct pidff_usage effect_operation[sizeof(pidff_effect_operation)]; + struct pidff_usage block_free[sizeof(pidff_block_free)]; + + /* Special field is a field that is not composed of + usage<->value pairs that pidff_usage values are */ + + /* Special field in create_new_effect */ + struct hid_field *create_new_effect_type; + + /* Special fields in set_effect */ + struct hid_field *set_effect_type; + struct hid_field *effect_direction; + + /* Special field in device_control */ + struct hid_field *device_control; + + /* Special field in block_load */ + struct hid_field *block_load_status; + + /* Special field in effect_operation */ + struct hid_field *effect_operation_status; + + int control_id[sizeof(pidff_device_control)]; + int type_id[sizeof(pidff_effect_types)]; + int status_id[sizeof(pidff_block_load_status)]; + int operation_id[sizeof(pidff_effect_operation_status)]; + + int pid_id[PID_EFFECTS_MAX]; +}; + +/* + * Scale an unsigned value with range 0..max for the given field + */ +static int pidff_rescale(int i, int max, struct hid_field *field) +{ + return i * (field->logical_maximum - field->logical_minimum) / max + + field->logical_minimum; +} + +/* + * Scale a signed value in range -0x8000..0x7fff for the given field + */ +static int pidff_rescale_signed(int i, struct hid_field *field) +{ + return i == 0 ? 0 : i > + 0 ? i * field->logical_maximum / 0x7fff : i * + field->logical_minimum / -0x8000; +} + +static void pidff_set(struct pidff_usage *usage, u16 value) +{ + usage->value[0] = pidff_rescale(value, 0xffff, usage->field); + debug("calculated from %d to %d", value, usage->value[0]); +} + +static void pidff_set_signed(struct pidff_usage *usage, s16 value) +{ + if (usage->field->logical_minimum < 0) + usage->value[0] = pidff_rescale_signed(value, usage->field); + else { + if (value < 0) + usage->value[0] = + pidff_rescale(-value, 0x8000, usage->field); + else + usage->value[0] = + pidff_rescale(value, 0x7fff, usage->field); + } + debug("calculated from %d to %d", value, usage->value[0]); +} + +/* + * Send envelope report to the device + */ +static void pidff_set_envelope_report(struct pidff_device *pidff, + struct ff_envelope *envelope) +{ + pidff->set_envelope[PID_EFFECT_BLOCK_INDEX].value[0] = + pidff->block_load[PID_EFFECT_BLOCK_INDEX].value[0]; + + pidff->set_envelope[PID_ATTACK_LEVEL].value[0] = + pidff_rescale(envelope->attack_level > + 0x7fff ? 0x7fff : envelope->attack_level, 0x7fff, + pidff->set_envelope[PID_ATTACK_LEVEL].field); + pidff->set_envelope[PID_FADE_LEVEL].value[0] = + pidff_rescale(envelope->fade_level > + 0x7fff ? 0x7fff : envelope->fade_level, 0x7fff, + pidff->set_envelope[PID_FADE_LEVEL].field); + + pidff->set_envelope[PID_ATTACK_TIME].value[0] = envelope->attack_length; + pidff->set_envelope[PID_FADE_TIME].value[0] = envelope->fade_length; + + debug("attack %u => %d", envelope->attack_level, + pidff->set_envelope[PID_ATTACK_LEVEL].value[0]); + + usbhid_submit_report(pidff->hid, pidff->reports[PID_SET_ENVELOPE], + USB_DIR_OUT); +} + +/* + * Test if the new envelope differs from old one + */ +static int pidff_needs_set_envelope(struct ff_envelope *envelope, + struct ff_envelope *old) +{ + return envelope->attack_level != old->attack_level || + envelope->fade_level != old->fade_level || + envelope->attack_length != old->attack_length || + envelope->fade_length != old->fade_length; +} + +/* + * Send constant force report to the device + */ +static void pidff_set_constant_force_report(struct pidff_device *pidff, + struct ff_effect *effect) +{ + pidff->set_constant[PID_EFFECT_BLOCK_INDEX].value[0] = + pidff->block_load[PID_EFFECT_BLOCK_INDEX].value[0]; + pidff_set_signed(&pidff->set_constant[PID_MAGNITUDE], + effect->u.constant.level); + + usbhid_submit_report(pidff->hid, pidff->reports[PID_SET_CONSTANT], + USB_DIR_OUT); +} + +/* + * Test if the constant parameters have changed between effects + */ +static int pidff_needs_set_constant(struct ff_effect *effect, + struct ff_effect *old) +{ + return effect->u.constant.level != old->u.constant.level; +} + +/* + * Send set effect report to the device + */ +static void pidff_set_effect_report(struct pidff_device *pidff, + struct ff_effect *effect) +{ + pidff->set_effect[PID_EFFECT_BLOCK_INDEX].value[0] = + pidff->block_load[PID_EFFECT_BLOCK_INDEX].value[0]; + pidff->set_effect_type->value[0] = + pidff->create_new_effect_type->value[0]; + pidff->set_effect[PID_DURATION].value[0] = effect->replay.length; + pidff->set_effect[PID_TRIGGER_BUTTON].value[0] = effect->trigger.button; + pidff->set_effect[PID_TRIGGER_REPEAT_INT].value[0] = + effect->trigger.interval; + pidff->set_effect[PID_GAIN].value[0] = + pidff->set_effect[PID_GAIN].field->logical_maximum; + pidff->set_effect[PID_DIRECTION_ENABLE].value[0] = 1; + pidff->effect_direction->value[0] = + pidff_rescale(effect->direction, 0xffff, + pidff->effect_direction); + pidff->set_effect[PID_START_DELAY].value[0] = effect->replay.delay; + + usbhid_submit_report(pidff->hid, pidff->reports[PID_SET_EFFECT], + USB_DIR_OUT); +} + +/* + * Test if the values used in set_effect have changed + */ +static int pidff_needs_set_effect(struct ff_effect *effect, + struct ff_effect *old) +{ + return effect->replay.length != old->replay.length || + effect->trigger.interval != old->trigger.interval || + effect->trigger.button != old->trigger.button || + effect->direction != old->direction || + effect->replay.delay != old->replay.delay; +} + +/* + * Send periodic effect report to the device + */ +static void pidff_set_periodic_report(struct pidff_device *pidff, + struct ff_effect *effect) +{ + pidff->set_periodic[PID_EFFECT_BLOCK_INDEX].value[0] = + pidff->block_load[PID_EFFECT_BLOCK_INDEX].value[0]; + pidff_set_signed(&pidff->set_periodic[PID_MAGNITUDE], + effect->u.periodic.magnitude); + pidff_set_signed(&pidff->set_periodic[PID_OFFSET], + effect->u.periodic.offset); + pidff_set(&pidff->set_periodic[PID_PHASE], effect->u.periodic.phase); + pidff->set_periodic[PID_PERIOD].value[0] = effect->u.periodic.period; + + usbhid_submit_report(pidff->hid, pidff->reports[PID_SET_PERIODIC], + USB_DIR_OUT); + +} + +/* + * Test if periodic effect parameters have changed + */ +static int pidff_needs_set_periodic(struct ff_effect *effect, + struct ff_effect *old) +{ + return effect->u.periodic.magnitude != old->u.periodic.magnitude || + effect->u.periodic.offset != old->u.periodic.offset || + effect->u.periodic.phase != old->u.periodic.phase || + effect->u.periodic.period != old->u.periodic.period; +} + +/* + * Send condition effect reports to the device + */ +static void pidff_set_condition_report(struct pidff_device *pidff, + struct ff_effect *effect) +{ + int i; + + pidff->set_condition[PID_EFFECT_BLOCK_INDEX].value[0] = + pidff->block_load[PID_EFFECT_BLOCK_INDEX].value[0]; + + for (i = 0; i < 2; i++) { + pidff->set_condition[PID_PARAM_BLOCK_OFFSET].value[0] = i; + pidff_set_signed(&pidff->set_condition[PID_CP_OFFSET], + effect->u.condition[i].center); + pidff_set_signed(&pidff->set_condition[PID_POS_COEFFICIENT], + effect->u.condition[i].right_coeff); + pidff_set_signed(&pidff->set_condition[PID_NEG_COEFFICIENT], + effect->u.condition[i].left_coeff); + pidff_set(&pidff->set_condition[PID_POS_SATURATION], + effect->u.condition[i].right_saturation); + pidff_set(&pidff->set_condition[PID_NEG_SATURATION], + effect->u.condition[i].left_saturation); + pidff_set(&pidff->set_condition[PID_DEAD_BAND], + effect->u.condition[i].deadband); + usbhid_submit_report(pidff->hid, pidff->reports[PID_SET_CONDITION], + USB_DIR_OUT); + } +} + +/* + * Test if condition effect parameters have changed + */ +static int pidff_needs_set_condition(struct ff_effect *effect, + struct ff_effect *old) +{ + int i; + int ret = 0; + + for (i = 0; i < 2; i++) { + struct ff_condition_effect *cond = &effect->u.condition[i]; + struct ff_condition_effect *old_cond = &old->u.condition[i]; + + ret |= cond->center != old_cond->center || + cond->right_coeff != old_cond->right_coeff || + cond->left_coeff != old_cond->left_coeff || + cond->right_saturation != old_cond->right_saturation || + cond->left_saturation != old_cond->left_saturation || + cond->deadband != old_cond->deadband; + } + + return ret; +} + +/* + * Send ramp force report to the device + */ +static void pidff_set_ramp_force_report(struct pidff_device *pidff, + struct ff_effect *effect) +{ + pidff->set_ramp[PID_EFFECT_BLOCK_INDEX].value[0] = + pidff->block_load[PID_EFFECT_BLOCK_INDEX].value[0]; + pidff_set_signed(&pidff->set_ramp[PID_RAMP_START], + effect->u.ramp.start_level); + pidff_set_signed(&pidff->set_ramp[PID_RAMP_END], + effect->u.ramp.end_level); + usbhid_submit_report(pidff->hid, pidff->reports[PID_SET_RAMP], + USB_DIR_OUT); +} + +/* + * Test if ramp force parameters have changed + */ +static int pidff_needs_set_ramp(struct ff_effect *effect, struct ff_effect *old) +{ + return effect->u.ramp.start_level != old->u.ramp.start_level || + effect->u.ramp.end_level != old->u.ramp.end_level; +} + +/* + * Send a request for effect upload to the device + * + * Returns 0 if device reported success, -ENOSPC if the device reported memory + * is full. Upon unknown response the function will retry for 60 times, if + * still unsuccessful -EIO is returned. + */ +static int pidff_request_effect_upload(struct pidff_device *pidff, int efnum) +{ + int j; + + pidff->create_new_effect_type->value[0] = efnum; + usbhid_submit_report(pidff->hid, pidff->reports[PID_CREATE_NEW_EFFECT], + USB_DIR_OUT); + debug("create_new_effect sent, type: %d", efnum); + + pidff->block_load[PID_EFFECT_BLOCK_INDEX].value[0] = 0; + pidff->block_load_status->value[0] = 0; + usbhid_wait_io(pidff->hid); + + for (j = 0; j < 60; j++) { + debug("pid_block_load requested"); + usbhid_submit_report(pidff->hid, pidff->reports[PID_BLOCK_LOAD], + USB_DIR_IN); + usbhid_wait_io(pidff->hid); + if (pidff->block_load_status->value[0] == + pidff->status_id[PID_BLOCK_LOAD_SUCCESS]) { + debug("device reported free memory: %d bytes", + pidff->block_load[PID_RAM_POOL_AVAILABLE].value ? + pidff->block_load[PID_RAM_POOL_AVAILABLE].value[0] : -1); + return 0; + } + if (pidff->block_load_status->value[0] == + pidff->status_id[PID_BLOCK_LOAD_FULL]) { + debug("not enough memory free: %d bytes", + pidff->block_load[PID_RAM_POOL_AVAILABLE].value ? + pidff->block_load[PID_RAM_POOL_AVAILABLE].value[0] : -1); + return -ENOSPC; + } + } + printk(KERN_ERR "hid-pidff: pid_block_load failed 60 times\n"); + return -EIO; +} + +/* + * Play the effect with PID id n times + */ +static void pidff_playback_pid(struct pidff_device *pidff, int pid_id, int n) +{ + pidff->effect_operation[PID_EFFECT_BLOCK_INDEX].value[0] = pid_id; + + if (n == 0) { + pidff->effect_operation_status->value[0] = + pidff->operation_id[PID_EFFECT_STOP]; + } else { + pidff->effect_operation_status->value[0] = + pidff->operation_id[PID_EFFECT_START]; + pidff->effect_operation[PID_LOOP_COUNT].value[0] = n; + } + + usbhid_submit_report(pidff->hid, pidff->reports[PID_EFFECT_OPERATION], + USB_DIR_OUT); +} + +/** + * Play the effect with effect id @effect_id for @value times + */ +static int pidff_playback(struct input_dev *dev, int effect_id, int value) +{ + struct pidff_device *pidff = dev->ff->private; + + pidff_playback_pid(pidff, pidff->pid_id[effect_id], value); + + return 0; +} + +/* + * Erase effect with PID id + */ +static void pidff_erase_pid(struct pidff_device *pidff, int pid_id) +{ + pidff->block_free[PID_EFFECT_BLOCK_INDEX].value[0] = pid_id; + usbhid_submit_report(pidff->hid, pidff->reports[PID_BLOCK_FREE], + USB_DIR_OUT); +} + +/* + * Stop and erase effect with effect_id + */ +static int pidff_erase_effect(struct input_dev *dev, int effect_id) +{ + struct pidff_device *pidff = dev->ff->private; + int pid_id = pidff->pid_id[effect_id]; + + debug("starting to erase %d/%d", effect_id, pidff->pid_id[effect_id]); + /* Wait for the queue to clear. We do not want a full fifo to + prevent the effect removal. */ + usbhid_wait_io(pidff->hid); + pidff_playback_pid(pidff, pid_id, 0); + pidff_erase_pid(pidff, pid_id); + + return 0; +} + +/* + * Effect upload handler + */ +static int pidff_upload_effect(struct input_dev *dev, struct ff_effect *effect, + struct ff_effect *old) +{ + struct pidff_device *pidff = dev->ff->private; + int type_id; + int error; + + switch (effect->type) { + case FF_CONSTANT: + if (!old) { + error = pidff_request_effect_upload(pidff, + pidff->type_id[PID_CONSTANT]); + if (error) + return error; + } + if (!old || pidff_needs_set_effect(effect, old)) + pidff_set_effect_report(pidff, effect); + if (!old || pidff_needs_set_constant(effect, old)) + pidff_set_constant_force_report(pidff, effect); + if (!old || + pidff_needs_set_envelope(&effect->u.constant.envelope, + &old->u.constant.envelope)) + pidff_set_envelope_report(pidff, + &effect->u.constant.envelope); + break; + + case FF_PERIODIC: + if (!old) { + switch (effect->u.periodic.waveform) { + case FF_SQUARE: + type_id = PID_SQUARE; + break; + case FF_TRIANGLE: + type_id = PID_TRIANGLE; + break; + case FF_SINE: + type_id = PID_SINE; + break; + case FF_SAW_UP: + type_id = PID_SAW_UP; + break; + case FF_SAW_DOWN: + type_id = PID_SAW_DOWN; + break; + default: + printk(KERN_ERR + "hid-pidff: invalid waveform\n"); + return -EINVAL; + } + + error = pidff_request_effect_upload(pidff, + pidff->type_id[type_id]); + if (error) + return error; + } + if (!old || pidff_needs_set_effect(effect, old)) + pidff_set_effect_report(pidff, effect); + if (!old || pidff_needs_set_periodic(effect, old)) + pidff_set_periodic_report(pidff, effect); + if (!old || + pidff_needs_set_envelope(&effect->u.periodic.envelope, + &old->u.periodic.envelope)) + pidff_set_envelope_report(pidff, + &effect->u.periodic.envelope); + break; + + case FF_RAMP: + if (!old) { + error = pidff_request_effect_upload(pidff, + pidff->type_id[PID_RAMP]); + if (error) + return error; + } + if (!old || pidff_needs_set_effect(effect, old)) + pidff_set_effect_report(pidff, effect); + if (!old || pidff_needs_set_ramp(effect, old)) + pidff_set_ramp_force_report(pidff, effect); + if (!old || + pidff_needs_set_envelope(&effect->u.ramp.envelope, + &old->u.ramp.envelope)) + pidff_set_envelope_report(pidff, + &effect->u.ramp.envelope); + break; + + case FF_SPRING: + if (!old) { + error = pidff_request_effect_upload(pidff, + pidff->type_id[PID_SPRING]); + if (error) + return error; + } + if (!old || pidff_needs_set_effect(effect, old)) + pidff_set_effect_report(pidff, effect); + if (!old || pidff_needs_set_condition(effect, old)) + pidff_set_condition_report(pidff, effect); + break; + + case FF_FRICTION: + if (!old) { + error = pidff_request_effect_upload(pidff, + pidff->type_id[PID_FRICTION]); + if (error) + return error; + } + if (!old || pidff_needs_set_effect(effect, old)) + pidff_set_effect_report(pidff, effect); + if (!old || pidff_needs_set_condition(effect, old)) + pidff_set_condition_report(pidff, effect); + break; + + case FF_DAMPER: + if (!old) { + error = pidff_request_effect_upload(pidff, + pidff->type_id[PID_DAMPER]); + if (error) + return error; + } + if (!old || pidff_needs_set_effect(effect, old)) + pidff_set_effect_report(pidff, effect); + if (!old || pidff_needs_set_condition(effect, old)) + pidff_set_condition_report(pidff, effect); + break; + + case FF_INERTIA: + if (!old) { + error = pidff_request_effect_upload(pidff, + pidff->type_id[PID_INERTIA]); + if (error) + return error; + } + if (!old || pidff_needs_set_effect(effect, old)) + pidff_set_effect_report(pidff, effect); + if (!old || pidff_needs_set_condition(effect, old)) + pidff_set_condition_report(pidff, effect); + break; + + default: + printk(KERN_ERR "hid-pidff: invalid type\n"); + return -EINVAL; + } + + if (!old) + pidff->pid_id[effect->id] = + pidff->block_load[PID_EFFECT_BLOCK_INDEX].value[0]; + + debug("uploaded"); + + return 0; +} + +/* + * set_gain() handler + */ +static void pidff_set_gain(struct input_dev *dev, u16 gain) +{ + struct pidff_device *pidff = dev->ff->private; + + pidff_set(&pidff->device_gain[PID_DEVICE_GAIN_FIELD], gain); + usbhid_submit_report(pidff->hid, pidff->reports[PID_DEVICE_GAIN], + USB_DIR_OUT); +} + +static void pidff_autocenter(struct pidff_device *pidff, u16 magnitude) +{ + struct hid_field *field = + pidff->block_load[PID_EFFECT_BLOCK_INDEX].field; + + if (!magnitude) { + pidff_playback_pid(pidff, field->logical_minimum, 0); + return; + } + + pidff_playback_pid(pidff, field->logical_minimum, 1); + + pidff->set_effect[PID_EFFECT_BLOCK_INDEX].value[0] = + pidff->block_load[PID_EFFECT_BLOCK_INDEX].field->logical_minimum; + pidff->set_effect_type->value[0] = pidff->type_id[PID_SPRING]; + pidff->set_effect[PID_DURATION].value[0] = 0; + pidff->set_effect[PID_TRIGGER_BUTTON].value[0] = 0; + pidff->set_effect[PID_TRIGGER_REPEAT_INT].value[0] = 0; + pidff_set(&pidff->set_effect[PID_GAIN], magnitude); + pidff->set_effect[PID_DIRECTION_ENABLE].value[0] = 1; + pidff->set_effect[PID_START_DELAY].value[0] = 0; + + usbhid_submit_report(pidff->hid, pidff->reports[PID_SET_EFFECT], + USB_DIR_OUT); +} + +/* + * pidff_set_autocenter() handler + */ +static void pidff_set_autocenter(struct input_dev *dev, u16 magnitude) +{ + struct pidff_device *pidff = dev->ff->private; + + pidff_autocenter(pidff, magnitude); +} + +/* + * Find fields from a report and fill a pidff_usage + */ +static int pidff_find_fields(struct pidff_usage *usage, const u8 *table, + struct hid_report *report, int count, int strict) +{ + int i, j, k, found; + + for (k = 0; k < count; k++) { + found = 0; + for (i = 0; i < report->maxfield; i++) { + if (report->field[i]->maxusage != + report->field[i]->report_count) { + debug("maxusage and report_count do not match, " + "skipping"); + continue; + } + for (j = 0; j < report->field[i]->maxusage; j++) { + if (report->field[i]->usage[j].hid == + (HID_UP_PID | table[k])) { + debug("found %d at %d->%d", k, i, j); + usage[k].field = report->field[i]; + usage[k].value = + &report->field[i]->value[j]; + found = 1; + break; + } + } + if (found) + break; + } + if (!found && strict) { + debug("failed to locate %d", k); + return -1; + } + } + return 0; +} + +/* + * Return index into pidff_reports for the given usage + */ +static int pidff_check_usage(int usage) +{ + int i; + + for (i = 0; i < sizeof(pidff_reports); i++) + if (usage == (HID_UP_PID | pidff_reports[i])) + return i; + + return -1; +} + +/* + * Find the reports and fill pidff->reports[] + * report_type specifies either OUTPUT or FEATURE reports + */ +static void pidff_find_reports(struct hid_device *hid, int report_type, + struct pidff_device *pidff) +{ + struct hid_report *report; + int i, ret; + + list_for_each_entry(report, + &hid->report_enum[report_type].report_list, list) { + if (report->maxfield < 1) + continue; + ret = pidff_check_usage(report->field[0]->logical); + if (ret != -1) { + debug("found usage 0x%02x from field->logical", + pidff_reports[ret]); + pidff->reports[ret] = report; + continue; + } + + /* + * Sometimes logical collections are stacked to indicate + * different usages for the report and the field, in which + * case we want the usage of the parent. However, Linux HID + * implementation hides this fact, so we have to dig it up + * ourselves + */ + i = report->field[0]->usage[0].collection_index; + if (i <= 0 || + hid->collection[i - 1].type != HID_COLLECTION_LOGICAL) + continue; + ret = pidff_check_usage(hid->collection[i - 1].usage); + if (ret != -1 && !pidff->reports[ret]) { + debug("found usage 0x%02x from collection array", + pidff_reports[ret]); + pidff->reports[ret] = report; + } + } +} + +/* + * Test if the required reports have been found + */ +static int pidff_reports_ok(struct pidff_device *pidff) +{ + int i; + + for (i = 0; i <= PID_REQUIRED_REPORTS; i++) { + if (!pidff->reports[i]) { + debug("%d missing", i); + return 0; + } + } + + return 1; +} + +/* + * Find a field with a specific usage within a report + */ +static struct hid_field *pidff_find_special_field(struct hid_report *report, + int usage, int enforce_min) +{ + int i; + + for (i = 0; i < report->maxfield; i++) { + if (report->field[i]->logical == (HID_UP_PID | usage) && + report->field[i]->report_count > 0) { + if (!enforce_min || + report->field[i]->logical_minimum == 1) + return report->field[i]; + else { + printk(KERN_ERR "hid-pidff: logical_minimum " + "is not 1 as it should be\n"); + return NULL; + } + } + } + return NULL; +} + +/* + * Fill a pidff->*_id struct table + */ +static int pidff_find_special_keys(int *keys, struct hid_field *fld, + const u8 *usagetable, int count) +{ + + int i, j; + int found = 0; + + for (i = 0; i < count; i++) { + for (j = 0; j < fld->maxusage; j++) { + if (fld->usage[j].hid == (HID_UP_PID | usagetable[i])) { + keys[i] = j + 1; + found++; + break; + } + } + } + return found; +} + +#define PIDFF_FIND_SPECIAL_KEYS(keys, field, name) \ + pidff_find_special_keys(pidff->keys, pidff->field, pidff_ ## name, \ + sizeof(pidff_ ## name)) + +/* + * Find and check the special fields + */ +static int pidff_find_special_fields(struct pidff_device *pidff) +{ + debug("finding special fields"); + + pidff->create_new_effect_type = + pidff_find_special_field(pidff->reports[PID_CREATE_NEW_EFFECT], + 0x25, 1); + pidff->set_effect_type = + pidff_find_special_field(pidff->reports[PID_SET_EFFECT], + 0x25, 1); + pidff->effect_direction = + pidff_find_special_field(pidff->reports[PID_SET_EFFECT], + 0x57, 0); + pidff->device_control = + pidff_find_special_field(pidff->reports[PID_DEVICE_CONTROL], + 0x96, 1); + pidff->block_load_status = + pidff_find_special_field(pidff->reports[PID_BLOCK_LOAD], + 0x8b, 1); + pidff->effect_operation_status = + pidff_find_special_field(pidff->reports[PID_EFFECT_OPERATION], + 0x78, 1); + + debug("search done"); + + if (!pidff->create_new_effect_type || !pidff->set_effect_type) { + printk(KERN_ERR "hid-pidff: effect lists not found\n"); + return -1; + } + + if (!pidff->effect_direction) { + printk(KERN_ERR "hid-pidff: direction field not found\n"); + return -1; + } + + if (!pidff->device_control) { + printk(KERN_ERR "hid-pidff: device control field not found\n"); + return -1; + } + + if (!pidff->block_load_status) { + printk(KERN_ERR + "hid-pidff: block load status field not found\n"); + return -1; + } + + if (!pidff->effect_operation_status) { + printk(KERN_ERR + "hid-pidff: effect operation field not found\n"); + return -1; + } + + pidff_find_special_keys(pidff->control_id, pidff->device_control, + pidff_device_control, + sizeof(pidff_device_control)); + + PIDFF_FIND_SPECIAL_KEYS(control_id, device_control, device_control); + + if (!PIDFF_FIND_SPECIAL_KEYS(type_id, create_new_effect_type, + effect_types)) { + printk(KERN_ERR "hid-pidff: no effect types found\n"); + return -1; + } + + if (PIDFF_FIND_SPECIAL_KEYS(status_id, block_load_status, + block_load_status) != + sizeof(pidff_block_load_status)) { + printk(KERN_ERR + "hidpidff: block load status identifiers not found\n"); + return -1; + } + + if (PIDFF_FIND_SPECIAL_KEYS(operation_id, effect_operation_status, + effect_operation_status) != + sizeof(pidff_effect_operation_status)) { + printk(KERN_ERR + "hidpidff: effect operation identifiers not found\n"); + return -1; + } + + return 0; +} + +/** + * Find the implemented effect types + */ +static int pidff_find_effects(struct pidff_device *pidff, + struct input_dev *dev) +{ + int i; + + for (i = 0; i < sizeof(pidff_effect_types); i++) { + int pidff_type = pidff->type_id[i]; + if (pidff->set_effect_type->usage[pidff_type].hid != + pidff->create_new_effect_type->usage[pidff_type].hid) { + printk(KERN_ERR "hid-pidff: " + "effect type number %d is invalid\n", i); + return -1; + } + } + + if (pidff->type_id[PID_CONSTANT]) + set_bit(FF_CONSTANT, dev->ffbit); + if (pidff->type_id[PID_RAMP]) + set_bit(FF_RAMP, dev->ffbit); + if (pidff->type_id[PID_SQUARE]) { + set_bit(FF_SQUARE, dev->ffbit); + set_bit(FF_PERIODIC, dev->ffbit); + } + if (pidff->type_id[PID_SINE]) { + set_bit(FF_SINE, dev->ffbit); + set_bit(FF_PERIODIC, dev->ffbit); + } + if (pidff->type_id[PID_TRIANGLE]) { + set_bit(FF_TRIANGLE, dev->ffbit); + set_bit(FF_PERIODIC, dev->ffbit); + } + if (pidff->type_id[PID_SAW_UP]) { + set_bit(FF_SAW_UP, dev->ffbit); + set_bit(FF_PERIODIC, dev->ffbit); + } + if (pidff->type_id[PID_SAW_DOWN]) { + set_bit(FF_SAW_DOWN, dev->ffbit); + set_bit(FF_PERIODIC, dev->ffbit); + } + if (pidff->type_id[PID_SPRING]) + set_bit(FF_SPRING, dev->ffbit); + if (pidff->type_id[PID_DAMPER]) + set_bit(FF_DAMPER, dev->ffbit); + if (pidff->type_id[PID_INERTIA]) + set_bit(FF_INERTIA, dev->ffbit); + if (pidff->type_id[PID_FRICTION]) + set_bit(FF_FRICTION, dev->ffbit); + + return 0; + +} + +#define PIDFF_FIND_FIELDS(name, report, strict) \ + pidff_find_fields(pidff->name, pidff_ ## name, \ + pidff->reports[report], \ + sizeof(pidff_ ## name), strict) + +/* + * Fill and check the pidff_usages + */ +static int pidff_init_fields(struct pidff_device *pidff, struct input_dev *dev) +{ + int envelope_ok = 0; + + if (PIDFF_FIND_FIELDS(set_effect, PID_SET_EFFECT, 1)) { + printk(KERN_ERR + "hid-pidff: unknown set_effect report layout\n"); + return -ENODEV; + } + + PIDFF_FIND_FIELDS(block_load, PID_BLOCK_LOAD, 0); + if (!pidff->block_load[PID_EFFECT_BLOCK_INDEX].value) { + printk(KERN_ERR + "hid-pidff: unknown pid_block_load report layout\n"); + return -ENODEV; + } + + if (PIDFF_FIND_FIELDS(effect_operation, PID_EFFECT_OPERATION, 1)) { + printk(KERN_ERR + "hid-pidff: unknown effect_operation report layout\n"); + return -ENODEV; + } + + if (PIDFF_FIND_FIELDS(block_free, PID_BLOCK_FREE, 1)) { + printk(KERN_ERR + "hid-pidff: unknown pid_block_free report layout\n"); + return -ENODEV; + } + + if (!PIDFF_FIND_FIELDS(set_envelope, PID_SET_ENVELOPE, 1)) + envelope_ok = 1; + + if (pidff_find_special_fields(pidff) || pidff_find_effects(pidff, dev)) + return -ENODEV; + + if (!envelope_ok) { + if (test_and_clear_bit(FF_CONSTANT, dev->ffbit)) + printk(KERN_WARNING "hid-pidff: " + "has constant effect but no envelope\n"); + if (test_and_clear_bit(FF_RAMP, dev->ffbit)) + printk(KERN_WARNING "hid-pidff: " + "has ramp effect but no envelope\n"); + + if (test_and_clear_bit(FF_PERIODIC, dev->ffbit)) + printk(KERN_WARNING "hid-pidff: " + "has periodic effect but no envelope\n"); + } + + if (test_bit(FF_CONSTANT, dev->ffbit) && + PIDFF_FIND_FIELDS(set_constant, PID_SET_CONSTANT, 1)) { + printk(KERN_WARNING + "hid-pidff: unknown constant effect layout\n"); + clear_bit(FF_CONSTANT, dev->ffbit); + } + + if (test_bit(FF_RAMP, dev->ffbit) && + PIDFF_FIND_FIELDS(set_ramp, PID_SET_RAMP, 1)) { + printk(KERN_WARNING "hid-pidff: unknown ramp effect layout\n"); + clear_bit(FF_RAMP, dev->ffbit); + } + + if ((test_bit(FF_SPRING, dev->ffbit) || + test_bit(FF_DAMPER, dev->ffbit) || + test_bit(FF_FRICTION, dev->ffbit) || + test_bit(FF_INERTIA, dev->ffbit)) && + PIDFF_FIND_FIELDS(set_condition, PID_SET_CONDITION, 1)) { + printk(KERN_WARNING + "hid-pidff: unknown condition effect layout\n"); + clear_bit(FF_SPRING, dev->ffbit); + clear_bit(FF_DAMPER, dev->ffbit); + clear_bit(FF_FRICTION, dev->ffbit); + clear_bit(FF_INERTIA, dev->ffbit); + } + + if (test_bit(FF_PERIODIC, dev->ffbit) && + PIDFF_FIND_FIELDS(set_periodic, PID_SET_PERIODIC, 1)) { + printk(KERN_WARNING + "hid-pidff: unknown periodic effect layout\n"); + clear_bit(FF_PERIODIC, dev->ffbit); + } + + PIDFF_FIND_FIELDS(pool, PID_POOL, 0); + + if (!PIDFF_FIND_FIELDS(device_gain, PID_DEVICE_GAIN, 1)) + set_bit(FF_GAIN, dev->ffbit); + + return 0; +} + +/* + * Reset the device + */ +static void pidff_reset(struct pidff_device *pidff) +{ + struct hid_device *hid = pidff->hid; + int i = 0; + + pidff->device_control->value[0] = pidff->control_id[PID_RESET]; + /* We reset twice as sometimes hid_wait_io isn't waiting long enough */ + usbhid_submit_report(hid, pidff->reports[PID_DEVICE_CONTROL], USB_DIR_OUT); + usbhid_wait_io(hid); + usbhid_submit_report(hid, pidff->reports[PID_DEVICE_CONTROL], USB_DIR_OUT); + usbhid_wait_io(hid); + + pidff->device_control->value[0] = + pidff->control_id[PID_ENABLE_ACTUATORS]; + usbhid_submit_report(hid, pidff->reports[PID_DEVICE_CONTROL], USB_DIR_OUT); + usbhid_wait_io(hid); + + /* pool report is sometimes messed up, refetch it */ + usbhid_submit_report(hid, pidff->reports[PID_POOL], USB_DIR_IN); + usbhid_wait_io(hid); + + if (pidff->pool[PID_SIMULTANEOUS_MAX].value) { + int sim_effects = pidff->pool[PID_SIMULTANEOUS_MAX].value[0]; + while (sim_effects < 2) { + if (i++ > 20) { + printk(KERN_WARNING "hid-pidff: device reports " + "%d simultaneous effects\n", + sim_effects); + break; + } + debug("pid_pool requested again"); + usbhid_submit_report(hid, pidff->reports[PID_POOL], + USB_DIR_IN); + usbhid_wait_io(hid); + } + } +} + +/* + * Test if autocenter modification is using the supported method + */ +static int pidff_check_autocenter(struct pidff_device *pidff, + struct input_dev *dev) +{ + int error; + + /* + * Let's find out if autocenter modification is supported + * Specification doesn't specify anything, so we request an + * effect upload and cancel it immediately. If the approved + * effect id was one above the minimum, then we assume the first + * effect id is a built-in spring type effect used for autocenter + */ + + error = pidff_request_effect_upload(pidff, 1); + if (error) { + printk(KERN_ERR "hid-pidff: upload request failed\n"); + return error; + } + + if (pidff->block_load[PID_EFFECT_BLOCK_INDEX].value[0] == + pidff->block_load[PID_EFFECT_BLOCK_INDEX].field->logical_minimum + 1) { + pidff_autocenter(pidff, 0xffff); + set_bit(FF_AUTOCENTER, dev->ffbit); + } else { + printk(KERN_NOTICE "hid-pidff: " + "device has unknown autocenter control method\n"); + } + + pidff_erase_pid(pidff, + pidff->block_load[PID_EFFECT_BLOCK_INDEX].value[0]); + + return 0; + +} + +/* + * Check if the device is PID and initialize it + */ +int hid_pidff_init(struct hid_device *hid) +{ + struct pidff_device *pidff; + struct hid_input *hidinput = list_entry(hid->inputs.next, + struct hid_input, list); + struct input_dev *dev = hidinput->input; + struct ff_device *ff; + int max_effects; + int error; + + debug("starting pid init"); + + if (list_empty(&hid->report_enum[HID_OUTPUT_REPORT].report_list)) { + debug("not a PID device, no output report"); + return -ENODEV; + } + + pidff = kzalloc(sizeof(*pidff), GFP_KERNEL); + if (!pidff) + return -ENOMEM; + + pidff->hid = hid; + + pidff_find_reports(hid, HID_OUTPUT_REPORT, pidff); + pidff_find_reports(hid, HID_FEATURE_REPORT, pidff); + + if (!pidff_reports_ok(pidff)) { + debug("reports not ok, aborting"); + error = -ENODEV; + goto fail; + } + + error = pidff_init_fields(pidff, dev); + if (error) + goto fail; + + pidff_reset(pidff); + + if (test_bit(FF_GAIN, dev->ffbit)) { + pidff_set(&pidff->device_gain[PID_DEVICE_GAIN_FIELD], 0xffff); + usbhid_submit_report(pidff->hid, pidff->reports[PID_DEVICE_GAIN], + USB_DIR_OUT); + } + + error = pidff_check_autocenter(pidff, dev); + if (error) + goto fail; + + max_effects = + pidff->block_load[PID_EFFECT_BLOCK_INDEX].field->logical_maximum - + pidff->block_load[PID_EFFECT_BLOCK_INDEX].field->logical_minimum + + 1; + debug("max effects is %d", max_effects); + + if (max_effects > PID_EFFECTS_MAX) + max_effects = PID_EFFECTS_MAX; + + if (pidff->pool[PID_SIMULTANEOUS_MAX].value) + debug("max simultaneous effects is %d", + pidff->pool[PID_SIMULTANEOUS_MAX].value[0]); + + if (pidff->pool[PID_RAM_POOL_SIZE].value) + debug("device memory size is %d bytes", + pidff->pool[PID_RAM_POOL_SIZE].value[0]); + + if (pidff->pool[PID_DEVICE_MANAGED_POOL].value && + pidff->pool[PID_DEVICE_MANAGED_POOL].value[0] == 0) { + printk(KERN_NOTICE "hid-pidff: " + "device does not support device managed pool\n"); + goto fail; + } + + error = input_ff_create(dev, max_effects); + if (error) + goto fail; + + ff = dev->ff; + ff->private = pidff; + ff->upload = pidff_upload_effect; + ff->erase = pidff_erase_effect; + ff->set_gain = pidff_set_gain; + ff->set_autocenter = pidff_set_autocenter; + ff->playback = pidff_playback; + + printk(KERN_INFO "Force feedback for USB HID PID devices by " + "Anssi Hannula <anssi.hannula@gmail.com>\n"); + + return 0; + + fail: + kfree(pidff); + return error; +} diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c new file mode 100644 index 0000000..47ebe04 --- /dev/null +++ b/drivers/hid/usbhid/hid-quirks.c @@ -0,0 +1,292 @@ +/* + * USB HID quirks support for Linux + * + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc + * Copyright (c) 2006-2007 Jiri Kosina + * Copyright (c) 2007 Paul Walmsley + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +#include <linux/hid.h> + +#include "../hid-ids.h" + +/* + * Alphabetically sorted blacklist by quirk type. + */ + +static const struct hid_blacklist { + __u16 idVendor; + __u16 idProduct; + __u32 quirks; +} hid_blacklist[] = { + { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD, HID_QUIRK_BADPAD }, + { USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR, HID_QUIRK_BADPAD }, + { USB_VENDOR_ID_ALPS, USB_DEVICE_ID_IBM_GAMEPAD, HID_QUIRK_BADPAD }, + { USB_VENDOR_ID_CHIC, USB_DEVICE_ID_CHIC_GAMEPAD, HID_QUIRK_BADPAD }, + { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_DRIVING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT }, + { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FLYING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT }, + { USB_VENDOR_ID_HAPP, USB_DEVICE_ID_UGCI_FIGHTING, HID_QUIRK_BADPAD | HID_QUIRK_MULTI_INPUT }, + { USB_VENDOR_ID_NATSU, USB_DEVICE_ID_NATSU_GAMEPAD, HID_QUIRK_BADPAD }, + { USB_VENDOR_ID_NEC, USB_DEVICE_ID_NEC_USB_GAME_PAD, HID_QUIRK_BADPAD }, + { USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RUMBLEPAD, HID_QUIRK_BADPAD }, + { USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD, HID_QUIRK_BADPAD }, + + { USB_VENDOR_ID_AFATECH, USB_DEVICE_ID_AFATECH_AF9016, HID_QUIRK_FULLSPEED_INTERVAL }, + + { USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS }, + { USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII, HID_QUIRK_MULTI_INPUT }, + + { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_UC100KM, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS124U, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_2PORTKVM, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS }, + { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, + + { USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, + { USB_VENDOR_ID_WISEGROUP_LTD2, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, + + { 0, 0 } +}; + +/* Dynamic HID quirks list - specified at runtime */ +struct quirks_list_struct { + struct hid_blacklist hid_bl_item; + struct list_head node; +}; + +static LIST_HEAD(dquirks_list); +static DECLARE_RWSEM(dquirks_rwsem); + +/* Runtime ("dynamic") quirks manipulation functions */ + +/** + * usbhid_exists_dquirk: find any dynamic quirks for a USB HID device + * @idVendor: the 16-bit USB vendor ID, in native byteorder + * @idProduct: the 16-bit USB product ID, in native byteorder + * + * Description: + * Scans dquirks_list for a matching dynamic quirk and returns + * the pointer to the relevant struct hid_blacklist if found. + * Must be called with a read lock held on dquirks_rwsem. + * + * Returns: NULL if no quirk found, struct hid_blacklist * if found. + */ +static struct hid_blacklist *usbhid_exists_dquirk(const u16 idVendor, + const u16 idProduct) +{ + struct quirks_list_struct *q; + struct hid_blacklist *bl_entry = NULL; + + list_for_each_entry(q, &dquirks_list, node) { + if (q->hid_bl_item.idVendor == idVendor && + q->hid_bl_item.idProduct == idProduct) { + bl_entry = &q->hid_bl_item; + break; + } + } + + if (bl_entry != NULL) + dbg_hid("Found dynamic quirk 0x%x for USB HID vendor 0x%hx prod 0x%hx\n", + bl_entry->quirks, bl_entry->idVendor, + bl_entry->idProduct); + + return bl_entry; +} + + +/** + * usbhid_modify_dquirk: add/replace a HID quirk + * @idVendor: the 16-bit USB vendor ID, in native byteorder + * @idProduct: the 16-bit USB product ID, in native byteorder + * @quirks: the u32 quirks value to add/replace + * + * Description: + * If an dynamic quirk exists in memory for this (idVendor, + * idProduct) pair, replace its quirks value with what was + * provided. Otherwise, add the quirk to the dynamic quirks list. + * + * Returns: 0 OK, -error on failure. + */ +static int usbhid_modify_dquirk(const u16 idVendor, const u16 idProduct, + const u32 quirks) +{ + struct quirks_list_struct *q_new, *q; + int list_edited = 0; + + if (!idVendor) { + dbg_hid("Cannot add a quirk with idVendor = 0\n"); + return -EINVAL; + } + + q_new = kmalloc(sizeof(struct quirks_list_struct), GFP_KERNEL); + if (!q_new) { + dbg_hid("Could not allocate quirks_list_struct\n"); + return -ENOMEM; + } + + q_new->hid_bl_item.idVendor = idVendor; + q_new->hid_bl_item.idProduct = idProduct; + q_new->hid_bl_item.quirks = quirks; + + down_write(&dquirks_rwsem); + + list_for_each_entry(q, &dquirks_list, node) { + + if (q->hid_bl_item.idVendor == idVendor && + q->hid_bl_item.idProduct == idProduct) { + + list_replace(&q->node, &q_new->node); + kfree(q); + list_edited = 1; + break; + + } + + } + + if (!list_edited) + list_add_tail(&q_new->node, &dquirks_list); + + up_write(&dquirks_rwsem); + + return 0; +} + +/** + * usbhid_remove_all_dquirks: remove all runtime HID quirks from memory + * + * Description: + * Free all memory associated with dynamic quirks - called before + * module unload. + * + */ +static void usbhid_remove_all_dquirks(void) +{ + struct quirks_list_struct *q, *temp; + + down_write(&dquirks_rwsem); + list_for_each_entry_safe(q, temp, &dquirks_list, node) { + list_del(&q->node); + kfree(q); + } + up_write(&dquirks_rwsem); + +} + +/** + * usbhid_quirks_init: apply USB HID quirks specified at module load time + */ +int usbhid_quirks_init(char **quirks_param) +{ + u16 idVendor, idProduct; + u32 quirks; + int n = 0, m; + + for (; quirks_param[n] && n < MAX_USBHID_BOOT_QUIRKS; n++) { + + m = sscanf(quirks_param[n], "0x%hx:0x%hx:0x%x", + &idVendor, &idProduct, &quirks); + + if (m != 3 || + usbhid_modify_dquirk(idVendor, idProduct, quirks) != 0) { + printk(KERN_WARNING + "Could not parse HID quirk module param %s\n", + quirks_param[n]); + } + } + + return 0; +} + +/** + * usbhid_quirks_exit: release memory associated with dynamic_quirks + * + * Description: + * Release all memory associated with dynamic quirks. Called upon + * module unload. + * + * Returns: nothing + */ +void usbhid_quirks_exit(void) +{ + usbhid_remove_all_dquirks(); +} + +/** + * usbhid_exists_squirk: return any static quirks for a USB HID device + * @idVendor: the 16-bit USB vendor ID, in native byteorder + * @idProduct: the 16-bit USB product ID, in native byteorder + * + * Description: + * Given a USB vendor ID and product ID, return a pointer to + * the hid_blacklist entry associated with that device. + * + * Returns: pointer if quirk found, or NULL if no quirks found. + */ +static const struct hid_blacklist *usbhid_exists_squirk(const u16 idVendor, + const u16 idProduct) +{ + const struct hid_blacklist *bl_entry = NULL; + int n = 0; + + for (; hid_blacklist[n].idVendor; n++) + if (hid_blacklist[n].idVendor == idVendor && + hid_blacklist[n].idProduct == idProduct) + bl_entry = &hid_blacklist[n]; + + if (bl_entry != NULL) + dbg_hid("Found squirk 0x%x for USB HID vendor 0x%hx prod 0x%hx\n", + bl_entry->quirks, bl_entry->idVendor, + bl_entry->idProduct); + return bl_entry; +} + +/** + * usbhid_lookup_quirk: return any quirks associated with a USB HID device + * @idVendor: the 16-bit USB vendor ID, in native byteorder + * @idProduct: the 16-bit USB product ID, in native byteorder + * + * Description: + * Given a USB vendor ID and product ID, return any quirks associated + * with that device. + * + * Returns: a u32 quirks value. + */ +u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct) +{ + u32 quirks = 0; + const struct hid_blacklist *bl_entry = NULL; + + /* NCR devices must not be queried for reports */ + if (idVendor == USB_VENDOR_ID_NCR && + idProduct >= USB_DEVICE_ID_NCR_FIRST && + idProduct <= USB_DEVICE_ID_NCR_LAST) + return HID_QUIRK_NOGET; + + down_read(&dquirks_rwsem); + bl_entry = usbhid_exists_dquirk(idVendor, idProduct); + if (!bl_entry) + bl_entry = usbhid_exists_squirk(idVendor, idProduct); + if (bl_entry) + quirks = bl_entry->quirks; + up_read(&dquirks_rwsem); + + return quirks; +} + +EXPORT_SYMBOL_GPL(usbhid_lookup_quirk); diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c new file mode 100644 index 0000000..83e851a --- /dev/null +++ b/drivers/hid/usbhid/hiddev.c @@ -0,0 +1,892 @@ +/* + * Copyright (c) 2001 Paul Stewart + * Copyright (c) 2001 Vojtech Pavlik + * + * HID char devices, giving access to raw HID device events. + * + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to Paul Stewart <stewart@wetlogic.net> + */ + +#include <linux/poll.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/smp_lock.h> +#include <linux/input.h> +#include <linux/usb.h> +#include <linux/hid.h> +#include <linux/hiddev.h> +#include <linux/compat.h> +#include "usbhid.h" + +#ifdef CONFIG_USB_DYNAMIC_MINORS +#define HIDDEV_MINOR_BASE 0 +#define HIDDEV_MINORS 256 +#else +#define HIDDEV_MINOR_BASE 96 +#define HIDDEV_MINORS 16 +#endif +#define HIDDEV_BUFFER_SIZE 64 + +struct hiddev { + int exist; + int open; + wait_queue_head_t wait; + struct hid_device *hid; + struct list_head list; + spinlock_t list_lock; +}; + +struct hiddev_list { + struct hiddev_usage_ref buffer[HIDDEV_BUFFER_SIZE]; + int head; + int tail; + unsigned flags; + struct fasync_struct *fasync; + struct hiddev *hiddev; + struct list_head node; +}; + +static struct hiddev *hiddev_table[HIDDEV_MINORS]; + +/* + * Find a report, given the report's type and ID. The ID can be specified + * indirectly by REPORT_ID_FIRST (which returns the first report of the given + * type) or by (REPORT_ID_NEXT | old_id), which returns the next report of the + * given type which follows old_id. + */ +static struct hid_report * +hiddev_lookup_report(struct hid_device *hid, struct hiddev_report_info *rinfo) +{ + unsigned int flags = rinfo->report_id & ~HID_REPORT_ID_MASK; + unsigned int rid = rinfo->report_id & HID_REPORT_ID_MASK; + struct hid_report_enum *report_enum; + struct hid_report *report; + struct list_head *list; + + if (rinfo->report_type < HID_REPORT_TYPE_MIN || + rinfo->report_type > HID_REPORT_TYPE_MAX) + return NULL; + + report_enum = hid->report_enum + + (rinfo->report_type - HID_REPORT_TYPE_MIN); + + switch (flags) { + case 0: /* Nothing to do -- report_id is already set correctly */ + break; + + case HID_REPORT_ID_FIRST: + if (list_empty(&report_enum->report_list)) + return NULL; + + list = report_enum->report_list.next; + report = list_entry(list, struct hid_report, list); + rinfo->report_id = report->id; + break; + + case HID_REPORT_ID_NEXT: + report = report_enum->report_id_hash[rid]; + if (!report) + return NULL; + + list = report->list.next; + if (list == &report_enum->report_list) + return NULL; + + report = list_entry(list, struct hid_report, list); + rinfo->report_id = report->id; + break; + + default: + return NULL; + } + + return report_enum->report_id_hash[rinfo->report_id]; +} + +/* + * Perform an exhaustive search of the report table for a usage, given its + * type and usage id. + */ +static struct hid_field * +hiddev_lookup_usage(struct hid_device *hid, struct hiddev_usage_ref *uref) +{ + int i, j; + struct hid_report *report; + struct hid_report_enum *report_enum; + struct hid_field *field; + + if (uref->report_type < HID_REPORT_TYPE_MIN || + uref->report_type > HID_REPORT_TYPE_MAX) + return NULL; + + report_enum = hid->report_enum + + (uref->report_type - HID_REPORT_TYPE_MIN); + + list_for_each_entry(report, &report_enum->report_list, list) { + for (i = 0; i < report->maxfield; i++) { + field = report->field[i]; + for (j = 0; j < field->maxusage; j++) { + if (field->usage[j].hid == uref->usage_code) { + uref->report_id = report->id; + uref->field_index = i; + uref->usage_index = j; + return field; + } + } + } + } + + return NULL; +} + +static void hiddev_send_event(struct hid_device *hid, + struct hiddev_usage_ref *uref) +{ + struct hiddev *hiddev = hid->hiddev; + struct hiddev_list *list; + unsigned long flags; + + spin_lock_irqsave(&hiddev->list_lock, flags); + list_for_each_entry(list, &hiddev->list, node) { + if (uref->field_index != HID_FIELD_INDEX_NONE || + (list->flags & HIDDEV_FLAG_REPORT) != 0) { + list->buffer[list->head] = *uref; + list->head = (list->head + 1) & + (HIDDEV_BUFFER_SIZE - 1); + kill_fasync(&list->fasync, SIGIO, POLL_IN); + } + } + spin_unlock_irqrestore(&hiddev->list_lock, flags); + + wake_up_interruptible(&hiddev->wait); +} + +/* + * This is where hid.c calls into hiddev to pass an event that occurred over + * the interrupt pipe + */ +void hiddev_hid_event(struct hid_device *hid, struct hid_field *field, + struct hid_usage *usage, __s32 value) +{ + unsigned type = field->report_type; + struct hiddev_usage_ref uref; + + uref.report_type = + (type == HID_INPUT_REPORT) ? HID_REPORT_TYPE_INPUT : + ((type == HID_OUTPUT_REPORT) ? HID_REPORT_TYPE_OUTPUT : + ((type == HID_FEATURE_REPORT) ? HID_REPORT_TYPE_FEATURE : 0)); + uref.report_id = field->report->id; + uref.field_index = field->index; + uref.usage_index = (usage - field->usage); + uref.usage_code = usage->hid; + uref.value = value; + + hiddev_send_event(hid, &uref); +} +EXPORT_SYMBOL_GPL(hiddev_hid_event); + +void hiddev_report_event(struct hid_device *hid, struct hid_report *report) +{ + unsigned type = report->type; + struct hiddev_usage_ref uref; + + memset(&uref, 0, sizeof(uref)); + uref.report_type = + (type == HID_INPUT_REPORT) ? HID_REPORT_TYPE_INPUT : + ((type == HID_OUTPUT_REPORT) ? HID_REPORT_TYPE_OUTPUT : + ((type == HID_FEATURE_REPORT) ? HID_REPORT_TYPE_FEATURE : 0)); + uref.report_id = report->id; + uref.field_index = HID_FIELD_INDEX_NONE; + + hiddev_send_event(hid, &uref); +} + +/* + * fasync file op + */ +static int hiddev_fasync(int fd, struct file *file, int on) +{ + int retval; + struct hiddev_list *list = file->private_data; + + retval = fasync_helper(fd, file, on, &list->fasync); + + return retval < 0 ? retval : 0; +} + + +/* + * release file op + */ +static int hiddev_release(struct inode * inode, struct file * file) +{ + struct hiddev_list *list = file->private_data; + unsigned long flags; + + spin_lock_irqsave(&list->hiddev->list_lock, flags); + list_del(&list->node); + spin_unlock_irqrestore(&list->hiddev->list_lock, flags); + + if (!--list->hiddev->open) { + if (list->hiddev->exist) + usbhid_close(list->hiddev->hid); + else + kfree(list->hiddev); + } + + kfree(list); + + return 0; +} + +/* + * open file op + */ +static int hiddev_open(struct inode *inode, struct file *file) +{ + struct hiddev_list *list; + unsigned long flags; + + int i = iminor(inode) - HIDDEV_MINOR_BASE; + + if (i >= HIDDEV_MINORS || !hiddev_table[i]) + return -ENODEV; + + if (!(list = kzalloc(sizeof(struct hiddev_list), GFP_KERNEL))) + return -ENOMEM; + + list->hiddev = hiddev_table[i]; + + spin_lock_irqsave(&list->hiddev->list_lock, flags); + list_add_tail(&list->node, &hiddev_table[i]->list); + spin_unlock_irqrestore(&list->hiddev->list_lock, flags); + + file->private_data = list; + + if (!list->hiddev->open++) + if (list->hiddev->exist) + usbhid_open(hiddev_table[i]->hid); + + return 0; +} + +/* + * "write" file op + */ +static ssize_t hiddev_write(struct file * file, const char __user * buffer, size_t count, loff_t *ppos) +{ + return -EINVAL; +} + +/* + * "read" file op + */ +static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t count, loff_t *ppos) +{ + DECLARE_WAITQUEUE(wait, current); + struct hiddev_list *list = file->private_data; + int event_size; + int retval = 0; + + event_size = ((list->flags & HIDDEV_FLAG_UREF) != 0) ? + sizeof(struct hiddev_usage_ref) : sizeof(struct hiddev_event); + + if (count < event_size) + return 0; + + while (retval == 0) { + if (list->head == list->tail) { + add_wait_queue(&list->hiddev->wait, &wait); + set_current_state(TASK_INTERRUPTIBLE); + + while (list->head == list->tail) { + if (file->f_flags & O_NONBLOCK) { + retval = -EAGAIN; + break; + } + if (signal_pending(current)) { + retval = -ERESTARTSYS; + break; + } + if (!list->hiddev->exist) { + retval = -EIO; + break; + } + + schedule(); + set_current_state(TASK_INTERRUPTIBLE); + } + + set_current_state(TASK_RUNNING); + remove_wait_queue(&list->hiddev->wait, &wait); + } + + if (retval) + return retval; + + + while (list->head != list->tail && + retval + event_size <= count) { + if ((list->flags & HIDDEV_FLAG_UREF) == 0) { + if (list->buffer[list->tail].field_index != + HID_FIELD_INDEX_NONE) { + struct hiddev_event event; + event.hid = list->buffer[list->tail].usage_code; + event.value = list->buffer[list->tail].value; + if (copy_to_user(buffer + retval, &event, sizeof(struct hiddev_event))) + return -EFAULT; + retval += sizeof(struct hiddev_event); + } + } else { + if (list->buffer[list->tail].field_index != HID_FIELD_INDEX_NONE || + (list->flags & HIDDEV_FLAG_REPORT) != 0) { + if (copy_to_user(buffer + retval, list->buffer + list->tail, sizeof(struct hiddev_usage_ref))) + return -EFAULT; + retval += sizeof(struct hiddev_usage_ref); + } + } + list->tail = (list->tail + 1) & (HIDDEV_BUFFER_SIZE - 1); + } + + } + + return retval; +} + +/* + * "poll" file op + * No kernel lock - fine + */ +static unsigned int hiddev_poll(struct file *file, poll_table *wait) +{ + struct hiddev_list *list = file->private_data; + + poll_wait(file, &list->hiddev->wait, wait); + if (list->head != list->tail) + return POLLIN | POLLRDNORM; + if (!list->hiddev->exist) + return POLLERR | POLLHUP; + return 0; +} + +/* + * "ioctl" file op + */ +static noinline int hiddev_ioctl_usage(struct hiddev *hiddev, unsigned int cmd, void __user *user_arg) +{ + struct hid_device *hid = hiddev->hid; + struct hiddev_report_info rinfo; + struct hiddev_usage_ref_multi *uref_multi = NULL; + struct hiddev_usage_ref *uref; + struct hid_report *report; + struct hid_field *field; + int i; + + uref_multi = kmalloc(sizeof(struct hiddev_usage_ref_multi), GFP_KERNEL); + if (!uref_multi) + return -ENOMEM; + lock_kernel(); + uref = &uref_multi->uref; + if (cmd == HIDIOCGUSAGES || cmd == HIDIOCSUSAGES) { + if (copy_from_user(uref_multi, user_arg, + sizeof(*uref_multi))) + goto fault; + } else { + if (copy_from_user(uref, user_arg, sizeof(*uref))) + goto fault; + } + + switch (cmd) { + case HIDIOCGUCODE: + rinfo.report_type = uref->report_type; + rinfo.report_id = uref->report_id; + if ((report = hiddev_lookup_report(hid, &rinfo)) == NULL) + goto inval; + + if (uref->field_index >= report->maxfield) + goto inval; + + field = report->field[uref->field_index]; + if (uref->usage_index >= field->maxusage) + goto inval; + + uref->usage_code = field->usage[uref->usage_index].hid; + + if (copy_to_user(user_arg, uref, sizeof(*uref))) + goto fault; + + goto goodreturn; + + default: + if (cmd != HIDIOCGUSAGE && + cmd != HIDIOCGUSAGES && + uref->report_type == HID_REPORT_TYPE_INPUT) + goto inval; + + if (uref->report_id == HID_REPORT_ID_UNKNOWN) { + field = hiddev_lookup_usage(hid, uref); + if (field == NULL) + goto inval; + } else { + rinfo.report_type = uref->report_type; + rinfo.report_id = uref->report_id; + if ((report = hiddev_lookup_report(hid, &rinfo)) == NULL) + goto inval; + + if (uref->field_index >= report->maxfield) + goto inval; + + field = report->field[uref->field_index]; + + if (cmd == HIDIOCGCOLLECTIONINDEX) { + if (uref->usage_index >= field->maxusage) + goto inval; + } else if (uref->usage_index >= field->report_count) + goto inval; + + else if ((cmd == HIDIOCGUSAGES || cmd == HIDIOCSUSAGES) && + (uref_multi->num_values > HID_MAX_MULTI_USAGES || + uref->usage_index + uref_multi->num_values > field->report_count)) + goto inval; + } + + switch (cmd) { + case HIDIOCGUSAGE: + uref->value = field->value[uref->usage_index]; + if (copy_to_user(user_arg, uref, sizeof(*uref))) + goto fault; + goto goodreturn; + + case HIDIOCSUSAGE: + field->value[uref->usage_index] = uref->value; + goto goodreturn; + + case HIDIOCGCOLLECTIONINDEX: + kfree(uref_multi); + return field->usage[uref->usage_index].collection_index; + case HIDIOCGUSAGES: + for (i = 0; i < uref_multi->num_values; i++) + uref_multi->values[i] = + field->value[uref->usage_index + i]; + if (copy_to_user(user_arg, uref_multi, + sizeof(*uref_multi))) + goto fault; + goto goodreturn; + case HIDIOCSUSAGES: + for (i = 0; i < uref_multi->num_values; i++) + field->value[uref->usage_index + i] = + uref_multi->values[i]; + goto goodreturn; + } + +goodreturn: + unlock_kernel(); + kfree(uref_multi); + return 0; +fault: + unlock_kernel(); + kfree(uref_multi); + return -EFAULT; +inval: + unlock_kernel(); + kfree(uref_multi); + return -EINVAL; + } +} + +static noinline int hiddev_ioctl_string(struct hiddev *hiddev, unsigned int cmd, void __user *user_arg) +{ + struct hid_device *hid = hiddev->hid; + struct usb_device *dev = hid_to_usb_dev(hid); + int idx, len; + char *buf; + + if (get_user(idx, (int __user *)user_arg)) + return -EFAULT; + + if ((buf = kmalloc(HID_STRING_SIZE, GFP_KERNEL)) == NULL) + return -ENOMEM; + + if ((len = usb_string(dev, idx, buf, HID_STRING_SIZE-1)) < 0) { + kfree(buf); + return -EINVAL; + } + + if (copy_to_user(user_arg+sizeof(int), buf, len+1)) { + kfree(buf); + return -EFAULT; + } + + kfree(buf); + + return len; +} + +static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + struct hiddev_list *list = file->private_data; + struct hiddev *hiddev = list->hiddev; + struct hid_device *hid = hiddev->hid; + struct usb_device *dev = hid_to_usb_dev(hid); + struct hiddev_collection_info cinfo; + struct hiddev_report_info rinfo; + struct hiddev_field_info finfo; + struct hiddev_devinfo dinfo; + struct hid_report *report; + struct hid_field *field; + struct usbhid_device *usbhid = hid->driver_data; + void __user *user_arg = (void __user *)arg; + int i; + + /* Called without BKL by compat methods so no BKL taken */ + + /* FIXME: Who or what stop this racing with a disconnect ?? */ + if (!hiddev->exist) + return -EIO; + + switch (cmd) { + + case HIDIOCGVERSION: + return put_user(HID_VERSION, (int __user *)arg); + + case HIDIOCAPPLICATION: + if (arg < 0 || arg >= hid->maxapplication) + return -EINVAL; + + for (i = 0; i < hid->maxcollection; i++) + if (hid->collection[i].type == + HID_COLLECTION_APPLICATION && arg-- == 0) + break; + + if (i == hid->maxcollection) + return -EINVAL; + + return hid->collection[i].usage; + + case HIDIOCGDEVINFO: + dinfo.bustype = BUS_USB; + dinfo.busnum = dev->bus->busnum; + dinfo.devnum = dev->devnum; + dinfo.ifnum = usbhid->ifnum; + dinfo.vendor = le16_to_cpu(dev->descriptor.idVendor); + dinfo.product = le16_to_cpu(dev->descriptor.idProduct); + dinfo.version = le16_to_cpu(dev->descriptor.bcdDevice); + dinfo.num_applications = hid->maxapplication; + if (copy_to_user(user_arg, &dinfo, sizeof(dinfo))) + return -EFAULT; + + return 0; + + case HIDIOCGFLAG: + if (put_user(list->flags, (int __user *)arg)) + return -EFAULT; + + return 0; + + case HIDIOCSFLAG: + { + int newflags; + if (get_user(newflags, (int __user *)arg)) + return -EFAULT; + + if ((newflags & ~HIDDEV_FLAGS) != 0 || + ((newflags & HIDDEV_FLAG_REPORT) != 0 && + (newflags & HIDDEV_FLAG_UREF) == 0)) + return -EINVAL; + + list->flags = newflags; + + return 0; + } + + case HIDIOCGSTRING: + return hiddev_ioctl_string(hiddev, cmd, user_arg); + + case HIDIOCINITREPORT: + usbhid_init_reports(hid); + + return 0; + + case HIDIOCGREPORT: + if (copy_from_user(&rinfo, user_arg, sizeof(rinfo))) + return -EFAULT; + + if (rinfo.report_type == HID_REPORT_TYPE_OUTPUT) + return -EINVAL; + + if ((report = hiddev_lookup_report(hid, &rinfo)) == NULL) + return -EINVAL; + + usbhid_submit_report(hid, report, USB_DIR_IN); + usbhid_wait_io(hid); + + return 0; + + case HIDIOCSREPORT: + if (copy_from_user(&rinfo, user_arg, sizeof(rinfo))) + return -EFAULT; + + if (rinfo.report_type == HID_REPORT_TYPE_INPUT) + return -EINVAL; + + if ((report = hiddev_lookup_report(hid, &rinfo)) == NULL) + return -EINVAL; + + usbhid_submit_report(hid, report, USB_DIR_OUT); + usbhid_wait_io(hid); + + return 0; + + case HIDIOCGREPORTINFO: + if (copy_from_user(&rinfo, user_arg, sizeof(rinfo))) + return -EFAULT; + + if ((report = hiddev_lookup_report(hid, &rinfo)) == NULL) + return -EINVAL; + + rinfo.num_fields = report->maxfield; + + if (copy_to_user(user_arg, &rinfo, sizeof(rinfo))) + return -EFAULT; + + return 0; + + case HIDIOCGFIELDINFO: + if (copy_from_user(&finfo, user_arg, sizeof(finfo))) + return -EFAULT; + rinfo.report_type = finfo.report_type; + rinfo.report_id = finfo.report_id; + if ((report = hiddev_lookup_report(hid, &rinfo)) == NULL) + return -EINVAL; + + if (finfo.field_index >= report->maxfield) + return -EINVAL; + + field = report->field[finfo.field_index]; + memset(&finfo, 0, sizeof(finfo)); + finfo.report_type = rinfo.report_type; + finfo.report_id = rinfo.report_id; + finfo.field_index = field->report_count - 1; + finfo.maxusage = field->maxusage; + finfo.flags = field->flags; + finfo.physical = field->physical; + finfo.logical = field->logical; + finfo.application = field->application; + finfo.logical_minimum = field->logical_minimum; + finfo.logical_maximum = field->logical_maximum; + finfo.physical_minimum = field->physical_minimum; + finfo.physical_maximum = field->physical_maximum; + finfo.unit_exponent = field->unit_exponent; + finfo.unit = field->unit; + + if (copy_to_user(user_arg, &finfo, sizeof(finfo))) + return -EFAULT; + + return 0; + + case HIDIOCGUCODE: + /* fall through */ + case HIDIOCGUSAGE: + case HIDIOCSUSAGE: + case HIDIOCGUSAGES: + case HIDIOCSUSAGES: + case HIDIOCGCOLLECTIONINDEX: + return hiddev_ioctl_usage(hiddev, cmd, user_arg); + + case HIDIOCGCOLLECTIONINFO: + if (copy_from_user(&cinfo, user_arg, sizeof(cinfo))) + return -EFAULT; + + if (cinfo.index >= hid->maxcollection) + return -EINVAL; + + cinfo.type = hid->collection[cinfo.index].type; + cinfo.usage = hid->collection[cinfo.index].usage; + cinfo.level = hid->collection[cinfo.index].level; + + if (copy_to_user(user_arg, &cinfo, sizeof(cinfo))) + return -EFAULT; + return 0; + + default: + + if (_IOC_TYPE(cmd) != 'H' || _IOC_DIR(cmd) != _IOC_READ) + return -EINVAL; + + if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGNAME(0))) { + int len; + if (!hid->name) + return 0; + len = strlen(hid->name) + 1; + if (len > _IOC_SIZE(cmd)) + len = _IOC_SIZE(cmd); + return copy_to_user(user_arg, hid->name, len) ? + -EFAULT : len; + } + + if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGPHYS(0))) { + int len; + if (!hid->phys) + return 0; + len = strlen(hid->phys) + 1; + if (len > _IOC_SIZE(cmd)) + len = _IOC_SIZE(cmd); + return copy_to_user(user_arg, hid->phys, len) ? + -EFAULT : len; + } + } + return -EINVAL; +} + +#ifdef CONFIG_COMPAT +static long hiddev_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + return hiddev_ioctl(file, cmd, (unsigned long)compat_ptr(arg)); +} +#endif + +static const struct file_operations hiddev_fops = { + .owner = THIS_MODULE, + .read = hiddev_read, + .write = hiddev_write, + .poll = hiddev_poll, + .open = hiddev_open, + .release = hiddev_release, + .unlocked_ioctl = hiddev_ioctl, + .fasync = hiddev_fasync, +#ifdef CONFIG_COMPAT + .compat_ioctl = hiddev_compat_ioctl, +#endif +}; + +static struct usb_class_driver hiddev_class = { + .name = "hiddev%d", + .fops = &hiddev_fops, + .minor_base = HIDDEV_MINOR_BASE, +}; + +/* + * This is where hid.c calls us to connect a hid device to the hiddev driver + */ +int hiddev_connect(struct hid_device *hid, unsigned int force) +{ + struct hiddev *hiddev; + struct usbhid_device *usbhid = hid->driver_data; + int retval; + + if (!force) { + unsigned int i; + for (i = 0; i < hid->maxcollection; i++) + if (hid->collection[i].type == + HID_COLLECTION_APPLICATION && + !IS_INPUT_APPLICATION(hid->collection[i].usage)) + break; + + if (i == hid->maxcollection) + return -1; + } + + if (!(hiddev = kzalloc(sizeof(struct hiddev), GFP_KERNEL))) + return -1; + + retval = usb_register_dev(usbhid->intf, &hiddev_class); + if (retval) { + err_hid("Not able to get a minor for this device."); + kfree(hiddev); + return -1; + } + + init_waitqueue_head(&hiddev->wait); + INIT_LIST_HEAD(&hiddev->list); + spin_lock_init(&hiddev->list_lock); + hiddev->hid = hid; + hiddev->exist = 1; + + hid->minor = usbhid->intf->minor; + hid->hiddev = hiddev; + + hiddev_table[usbhid->intf->minor - HIDDEV_MINOR_BASE] = hiddev; + + return 0; +} + +/* + * This is where hid.c calls us to disconnect a hiddev device from the + * corresponding hid device (usually because the usb device has disconnected) + */ +static struct usb_class_driver hiddev_class; +void hiddev_disconnect(struct hid_device *hid) +{ + struct hiddev *hiddev = hid->hiddev; + struct usbhid_device *usbhid = hid->driver_data; + + hiddev->exist = 0; + + hiddev_table[hiddev->hid->minor - HIDDEV_MINOR_BASE] = NULL; + usb_deregister_dev(usbhid->intf, &hiddev_class); + + if (hiddev->open) { + usbhid_close(hiddev->hid); + wake_up_interruptible(&hiddev->wait); + } else { + kfree(hiddev); + } +} + +/* Currently this driver is a USB driver. It's not a conventional one in + * the sense that it doesn't probe at the USB level. Instead it waits to + * be connected by HID through the hiddev_connect / hiddev_disconnect + * routines. The reason to register as a USB device is to gain part of the + * minor number space from the USB major. + * + * In theory, should the HID code be generalized to more than one physical + * medium (say, IEEE 1384), this driver will probably need to register its + * own major number, and in doing so, no longer need to register with USB. + * At that point the probe routine and hiddev_driver struct below will no + * longer be useful. + */ + + +/* We never attach in this manner, and rely on HID to connect us. This + * is why there is no disconnect routine defined in the usb_driver either. + */ +static int hiddev_usbd_probe(struct usb_interface *intf, + const struct usb_device_id *hiddev_info) +{ + return -ENODEV; +} + + +static /* const */ struct usb_driver hiddev_driver = { + .name = "hiddev", + .probe = hiddev_usbd_probe, +}; + +int __init hiddev_init(void) +{ + return usb_register(&hiddev_driver); +} + +void hiddev_exit(void) +{ + usb_deregister(&hiddev_driver); +} diff --git a/drivers/hid/usbhid/usbhid.h b/drivers/hid/usbhid/usbhid.h new file mode 100644 index 0000000..332abcd --- /dev/null +++ b/drivers/hid/usbhid/usbhid.h @@ -0,0 +1,89 @@ +#ifndef __USBHID_H +#define __USBHID_H + +/* + * Copyright (c) 1999 Andreas Gal + * Copyright (c) 2000-2001 Vojtech Pavlik + * Copyright (c) 2006 Jiri Kosina + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <linux/types.h> +#include <linux/slab.h> +#include <linux/list.h> +#include <linux/mutex.h> +#include <linux/timer.h> +#include <linux/wait.h> +#include <linux/workqueue.h> +#include <linux/input.h> + +/* API provided by hid-core.c for USB HID drivers */ +int usbhid_wait_io(struct hid_device* hid); +void usbhid_close(struct hid_device *hid); +int usbhid_open(struct hid_device *hid); +void usbhid_init_reports(struct hid_device *hid); +void usbhid_submit_report(struct hid_device *hid, struct hid_report *report, unsigned char dir); + +/* + * USB-specific HID struct, to be pointed to + * from struct hid_device->driver_data + */ + +struct usbhid_device { + struct hid_device *hid; /* pointer to corresponding HID dev */ + + struct usb_interface *intf; /* USB interface */ + int ifnum; /* USB interface number */ + + unsigned int bufsize; /* URB buffer size */ + + struct urb *urbin; /* Input URB */ + char *inbuf; /* Input buffer */ + dma_addr_t inbuf_dma; /* Input buffer dma */ + spinlock_t inlock; /* Input fifo spinlock */ + + struct urb *urbctrl; /* Control URB */ + struct usb_ctrlrequest *cr; /* Control request struct */ + dma_addr_t cr_dma; /* Control request struct dma */ + struct hid_control_fifo ctrl[HID_CONTROL_FIFO_SIZE]; /* Control fifo */ + unsigned char ctrlhead, ctrltail; /* Control fifo head & tail */ + char *ctrlbuf; /* Control buffer */ + dma_addr_t ctrlbuf_dma; /* Control buffer dma */ + spinlock_t ctrllock; /* Control fifo spinlock */ + + struct urb *urbout; /* Output URB */ + struct hid_output_fifo out[HID_CONTROL_FIFO_SIZE]; /* Output pipe fifo */ + unsigned char outhead, outtail; /* Output pipe fifo head & tail */ + char *outbuf; /* Output buffer */ + dma_addr_t outbuf_dma; /* Output buffer dma */ + spinlock_t outlock; /* Output fifo spinlock */ + + unsigned long iofl; /* I/O flags (CTRL_RUNNING, OUT_RUNNING) */ + struct timer_list io_retry; /* Retry timer */ + unsigned long stop_retry; /* Time to give up, in jiffies */ + unsigned int retry_delay; /* Delay length in ms */ + struct work_struct reset_work; /* Task context for resets */ + wait_queue_head_t wait; /* For sleeping */ +}; + +#define hid_to_usb_dev(hid_dev) \ + container_of(hid_dev->dev.parent->parent, struct usb_device, dev) + +#endif + diff --git a/drivers/hid/usbhid/usbkbd.c b/drivers/hid/usbhid/usbkbd.c new file mode 100644 index 0000000..b342926 --- /dev/null +++ b/drivers/hid/usbhid/usbkbd.c @@ -0,0 +1,369 @@ +/* + * Copyright (c) 1999-2001 Vojtech Pavlik + * + * USB HIDBP Keyboard support + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/usb/input.h> +#include <linux/hid.h> + +/* + * Version Information + */ +#define DRIVER_VERSION "" +#define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@ucw.cz>" +#define DRIVER_DESC "USB HID Boot Protocol keyboard driver" +#define DRIVER_LICENSE "GPL" + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE(DRIVER_LICENSE); + +static const unsigned char usb_kbd_keycode[256] = { + 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38, + 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3, + 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26, + 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64, + 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106, + 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71, + 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190, + 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113, + 115,114, 0, 0, 0,121, 0, 89, 93,124, 92, 94, 95, 0, 0, 0, + 122,123, 90, 91, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113, + 150,158,159,128,136,177,178,176,142,152,173,140 +}; + +struct usb_kbd { + struct input_dev *dev; + struct usb_device *usbdev; + unsigned char old[8]; + struct urb *irq, *led; + unsigned char newleds; + char name[128]; + char phys[64]; + + unsigned char *new; + struct usb_ctrlrequest *cr; + unsigned char *leds; + dma_addr_t cr_dma; + dma_addr_t new_dma; + dma_addr_t leds_dma; +}; + +static void usb_kbd_irq(struct urb *urb) +{ + struct usb_kbd *kbd = urb->context; + int i; + + switch (urb->status) { + case 0: /* success */ + break; + case -ECONNRESET: /* unlink */ + case -ENOENT: + case -ESHUTDOWN: + return; + /* -EPIPE: should clear the halt */ + default: /* error */ + goto resubmit; + } + + for (i = 0; i < 8; i++) + input_report_key(kbd->dev, usb_kbd_keycode[i + 224], (kbd->new[0] >> i) & 1); + + for (i = 2; i < 8; i++) { + + if (kbd->old[i] > 3 && memscan(kbd->new + 2, kbd->old[i], 6) == kbd->new + 8) { + if (usb_kbd_keycode[kbd->old[i]]) + input_report_key(kbd->dev, usb_kbd_keycode[kbd->old[i]], 0); + else + dev_info(&urb->dev->dev, + "Unknown key (scancode %#x) released.\n", kbd->old[i]); + } + + if (kbd->new[i] > 3 && memscan(kbd->old + 2, kbd->new[i], 6) == kbd->old + 8) { + if (usb_kbd_keycode[kbd->new[i]]) + input_report_key(kbd->dev, usb_kbd_keycode[kbd->new[i]], 1); + else + dev_info(&urb->dev->dev, + "Unknown key (scancode %#x) released.\n", kbd->new[i]); + } + } + + input_sync(kbd->dev); + + memcpy(kbd->old, kbd->new, 8); + +resubmit: + i = usb_submit_urb (urb, GFP_ATOMIC); + if (i) + err_hid ("can't resubmit intr, %s-%s/input0, status %d", + kbd->usbdev->bus->bus_name, + kbd->usbdev->devpath, i); +} + +static int usb_kbd_event(struct input_dev *dev, unsigned int type, + unsigned int code, int value) +{ + struct usb_kbd *kbd = input_get_drvdata(dev); + + if (type != EV_LED) + return -1; + + kbd->newleds = (!!test_bit(LED_KANA, dev->led) << 3) | (!!test_bit(LED_COMPOSE, dev->led) << 3) | + (!!test_bit(LED_SCROLLL, dev->led) << 2) | (!!test_bit(LED_CAPSL, dev->led) << 1) | + (!!test_bit(LED_NUML, dev->led)); + + if (kbd->led->status == -EINPROGRESS) + return 0; + + if (*(kbd->leds) == kbd->newleds) + return 0; + + *(kbd->leds) = kbd->newleds; + kbd->led->dev = kbd->usbdev; + if (usb_submit_urb(kbd->led, GFP_ATOMIC)) + err_hid("usb_submit_urb(leds) failed"); + + return 0; +} + +static void usb_kbd_led(struct urb *urb) +{ + struct usb_kbd *kbd = urb->context; + + if (urb->status) + dev_warn(&urb->dev->dev, "led urb status %d received\n", + urb->status); + + if (*(kbd->leds) == kbd->newleds) + return; + + *(kbd->leds) = kbd->newleds; + kbd->led->dev = kbd->usbdev; + if (usb_submit_urb(kbd->led, GFP_ATOMIC)) + err_hid("usb_submit_urb(leds) failed"); +} + +static int usb_kbd_open(struct input_dev *dev) +{ + struct usb_kbd *kbd = input_get_drvdata(dev); + + kbd->irq->dev = kbd->usbdev; + if (usb_submit_urb(kbd->irq, GFP_KERNEL)) + return -EIO; + + return 0; +} + +static void usb_kbd_close(struct input_dev *dev) +{ + struct usb_kbd *kbd = input_get_drvdata(dev); + + usb_kill_urb(kbd->irq); +} + +static int usb_kbd_alloc_mem(struct usb_device *dev, struct usb_kbd *kbd) +{ + if (!(kbd->irq = usb_alloc_urb(0, GFP_KERNEL))) + return -1; + if (!(kbd->led = usb_alloc_urb(0, GFP_KERNEL))) + return -1; + if (!(kbd->new = usb_buffer_alloc(dev, 8, GFP_ATOMIC, &kbd->new_dma))) + return -1; + if (!(kbd->cr = usb_buffer_alloc(dev, sizeof(struct usb_ctrlrequest), GFP_ATOMIC, &kbd->cr_dma))) + return -1; + if (!(kbd->leds = usb_buffer_alloc(dev, 1, GFP_ATOMIC, &kbd->leds_dma))) + return -1; + + return 0; +} + +static void usb_kbd_free_mem(struct usb_device *dev, struct usb_kbd *kbd) +{ + usb_free_urb(kbd->irq); + usb_free_urb(kbd->led); + usb_buffer_free(dev, 8, kbd->new, kbd->new_dma); + usb_buffer_free(dev, sizeof(struct usb_ctrlrequest), kbd->cr, kbd->cr_dma); + usb_buffer_free(dev, 1, kbd->leds, kbd->leds_dma); +} + +static int usb_kbd_probe(struct usb_interface *iface, + const struct usb_device_id *id) +{ + struct usb_device *dev = interface_to_usbdev(iface); + struct usb_host_interface *interface; + struct usb_endpoint_descriptor *endpoint; + struct usb_kbd *kbd; + struct input_dev *input_dev; + int i, pipe, maxp; + int error = -ENOMEM; + + interface = iface->cur_altsetting; + + if (interface->desc.bNumEndpoints != 1) + return -ENODEV; + + endpoint = &interface->endpoint[0].desc; + if (!usb_endpoint_is_int_in(endpoint)) + return -ENODEV; + + pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress); + maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); + + kbd = kzalloc(sizeof(struct usb_kbd), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!kbd || !input_dev) + goto fail1; + + if (usb_kbd_alloc_mem(dev, kbd)) + goto fail2; + + kbd->usbdev = dev; + kbd->dev = input_dev; + + if (dev->manufacturer) + strlcpy(kbd->name, dev->manufacturer, sizeof(kbd->name)); + + if (dev->product) { + if (dev->manufacturer) + strlcat(kbd->name, " ", sizeof(kbd->name)); + strlcat(kbd->name, dev->product, sizeof(kbd->name)); + } + + if (!strlen(kbd->name)) + snprintf(kbd->name, sizeof(kbd->name), + "USB HIDBP Keyboard %04x:%04x", + le16_to_cpu(dev->descriptor.idVendor), + le16_to_cpu(dev->descriptor.idProduct)); + + usb_make_path(dev, kbd->phys, sizeof(kbd->phys)); + strlcpy(kbd->phys, "/input0", sizeof(kbd->phys)); + + input_dev->name = kbd->name; + input_dev->phys = kbd->phys; + usb_to_input_id(dev, &input_dev->id); + input_dev->dev.parent = &iface->dev; + + input_set_drvdata(input_dev, kbd); + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_LED) | + BIT_MASK(EV_REP); + input_dev->ledbit[0] = BIT_MASK(LED_NUML) | BIT_MASK(LED_CAPSL) | + BIT_MASK(LED_SCROLLL) | BIT_MASK(LED_COMPOSE) | + BIT_MASK(LED_KANA); + + for (i = 0; i < 255; i++) + set_bit(usb_kbd_keycode[i], input_dev->keybit); + clear_bit(0, input_dev->keybit); + + input_dev->event = usb_kbd_event; + input_dev->open = usb_kbd_open; + input_dev->close = usb_kbd_close; + + usb_fill_int_urb(kbd->irq, dev, pipe, + kbd->new, (maxp > 8 ? 8 : maxp), + usb_kbd_irq, kbd, endpoint->bInterval); + kbd->irq->transfer_dma = kbd->new_dma; + kbd->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + + kbd->cr->bRequestType = USB_TYPE_CLASS | USB_RECIP_INTERFACE; + kbd->cr->bRequest = 0x09; + kbd->cr->wValue = cpu_to_le16(0x200); + kbd->cr->wIndex = cpu_to_le16(interface->desc.bInterfaceNumber); + kbd->cr->wLength = cpu_to_le16(1); + + usb_fill_control_urb(kbd->led, dev, usb_sndctrlpipe(dev, 0), + (void *) kbd->cr, kbd->leds, 1, + usb_kbd_led, kbd); + kbd->led->setup_dma = kbd->cr_dma; + kbd->led->transfer_dma = kbd->leds_dma; + kbd->led->transfer_flags |= (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP); + + error = input_register_device(kbd->dev); + if (error) + goto fail2; + + usb_set_intfdata(iface, kbd); + return 0; + +fail2: + usb_kbd_free_mem(dev, kbd); +fail1: + input_free_device(input_dev); + kfree(kbd); + return error; +} + +static void usb_kbd_disconnect(struct usb_interface *intf) +{ + struct usb_kbd *kbd = usb_get_intfdata (intf); + + usb_set_intfdata(intf, NULL); + if (kbd) { + usb_kill_urb(kbd->irq); + input_unregister_device(kbd->dev); + usb_kbd_free_mem(interface_to_usbdev(intf), kbd); + kfree(kbd); + } +} + +static struct usb_device_id usb_kbd_id_table [] = { + { USB_INTERFACE_INFO(USB_INTERFACE_CLASS_HID, USB_INTERFACE_SUBCLASS_BOOT, + USB_INTERFACE_PROTOCOL_KEYBOARD) }, + { } /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE (usb, usb_kbd_id_table); + +static struct usb_driver usb_kbd_driver = { + .name = "usbkbd", + .probe = usb_kbd_probe, + .disconnect = usb_kbd_disconnect, + .id_table = usb_kbd_id_table, +}; + +static int __init usb_kbd_init(void) +{ + int result = usb_register(&usb_kbd_driver); + if (result == 0) + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" + DRIVER_DESC "\n"); + return result; +} + +static void __exit usb_kbd_exit(void) +{ + usb_deregister(&usb_kbd_driver); +} + +module_init(usb_kbd_init); +module_exit(usb_kbd_exit); diff --git a/drivers/hid/usbhid/usbmouse.c b/drivers/hid/usbhid/usbmouse.c new file mode 100644 index 0000000..72ab4b2 --- /dev/null +++ b/drivers/hid/usbhid/usbmouse.c @@ -0,0 +1,259 @@ +/* + * Copyright (c) 1999-2001 Vojtech Pavlik + * + * USB HIDBP Mouse support + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/usb/input.h> +#include <linux/hid.h> + +/* for apple IDs */ +#ifdef CONFIG_USB_HID_MODULE +#include "../hid-ids.h" +#endif + +/* + * Version Information + */ +#define DRIVER_VERSION "v1.6" +#define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@ucw.cz>" +#define DRIVER_DESC "USB HID Boot Protocol mouse driver" +#define DRIVER_LICENSE "GPL" + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE(DRIVER_LICENSE); + +struct usb_mouse { + char name[128]; + char phys[64]; + struct usb_device *usbdev; + struct input_dev *dev; + struct urb *irq; + + signed char *data; + dma_addr_t data_dma; +}; + +static void usb_mouse_irq(struct urb *urb) +{ + struct usb_mouse *mouse = urb->context; + signed char *data = mouse->data; + struct input_dev *dev = mouse->dev; + int status; + + switch (urb->status) { + case 0: /* success */ + break; + case -ECONNRESET: /* unlink */ + case -ENOENT: + case -ESHUTDOWN: + return; + /* -EPIPE: should clear the halt */ + default: /* error */ + goto resubmit; + } + + input_report_key(dev, BTN_LEFT, data[0] & 0x01); + input_report_key(dev, BTN_RIGHT, data[0] & 0x02); + input_report_key(dev, BTN_MIDDLE, data[0] & 0x04); + input_report_key(dev, BTN_SIDE, data[0] & 0x08); + input_report_key(dev, BTN_EXTRA, data[0] & 0x10); + + input_report_rel(dev, REL_X, data[1]); + input_report_rel(dev, REL_Y, data[2]); + input_report_rel(dev, REL_WHEEL, data[3]); + + input_sync(dev); +resubmit: + status = usb_submit_urb (urb, GFP_ATOMIC); + if (status) + err ("can't resubmit intr, %s-%s/input0, status %d", + mouse->usbdev->bus->bus_name, + mouse->usbdev->devpath, status); +} + +static int usb_mouse_open(struct input_dev *dev) +{ + struct usb_mouse *mouse = input_get_drvdata(dev); + + mouse->irq->dev = mouse->usbdev; + if (usb_submit_urb(mouse->irq, GFP_KERNEL)) + return -EIO; + + return 0; +} + +static void usb_mouse_close(struct input_dev *dev) +{ + struct usb_mouse *mouse = input_get_drvdata(dev); + + usb_kill_urb(mouse->irq); +} + +static int usb_mouse_probe(struct usb_interface *intf, const struct usb_device_id *id) +{ + struct usb_device *dev = interface_to_usbdev(intf); + struct usb_host_interface *interface; + struct usb_endpoint_descriptor *endpoint; + struct usb_mouse *mouse; + struct input_dev *input_dev; + int pipe, maxp; + int error = -ENOMEM; + + interface = intf->cur_altsetting; + + if (interface->desc.bNumEndpoints != 1) + return -ENODEV; + + endpoint = &interface->endpoint[0].desc; + if (!usb_endpoint_is_int_in(endpoint)) + return -ENODEV; + + pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress); + maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); + + mouse = kzalloc(sizeof(struct usb_mouse), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!mouse || !input_dev) + goto fail1; + + mouse->data = usb_buffer_alloc(dev, 8, GFP_ATOMIC, &mouse->data_dma); + if (!mouse->data) + goto fail1; + + mouse->irq = usb_alloc_urb(0, GFP_KERNEL); + if (!mouse->irq) + goto fail2; + + mouse->usbdev = dev; + mouse->dev = input_dev; + + if (dev->manufacturer) + strlcpy(mouse->name, dev->manufacturer, sizeof(mouse->name)); + + if (dev->product) { + if (dev->manufacturer) + strlcat(mouse->name, " ", sizeof(mouse->name)); + strlcat(mouse->name, dev->product, sizeof(mouse->name)); + } + + if (!strlen(mouse->name)) + snprintf(mouse->name, sizeof(mouse->name), + "USB HIDBP Mouse %04x:%04x", + le16_to_cpu(dev->descriptor.idVendor), + le16_to_cpu(dev->descriptor.idProduct)); + + usb_make_path(dev, mouse->phys, sizeof(mouse->phys)); + strlcat(mouse->phys, "/input0", sizeof(mouse->phys)); + + input_dev->name = mouse->name; + input_dev->phys = mouse->phys; + usb_to_input_id(dev, &input_dev->id); + input_dev->dev.parent = &intf->dev; + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); + input_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) | + BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE); + input_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); + input_dev->keybit[BIT_WORD(BTN_MOUSE)] |= BIT_MASK(BTN_SIDE) | + BIT_MASK(BTN_EXTRA); + input_dev->relbit[0] |= BIT_MASK(REL_WHEEL); + + input_set_drvdata(input_dev, mouse); + + input_dev->open = usb_mouse_open; + input_dev->close = usb_mouse_close; + + usb_fill_int_urb(mouse->irq, dev, pipe, mouse->data, + (maxp > 8 ? 8 : maxp), + usb_mouse_irq, mouse, endpoint->bInterval); + mouse->irq->transfer_dma = mouse->data_dma; + mouse->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + + error = input_register_device(mouse->dev); + if (error) + goto fail3; + + usb_set_intfdata(intf, mouse); + return 0; + +fail3: + usb_free_urb(mouse->irq); +fail2: + usb_buffer_free(dev, 8, mouse->data, mouse->data_dma); +fail1: + input_free_device(input_dev); + kfree(mouse); + return error; +} + +static void usb_mouse_disconnect(struct usb_interface *intf) +{ + struct usb_mouse *mouse = usb_get_intfdata (intf); + + usb_set_intfdata(intf, NULL); + if (mouse) { + usb_kill_urb(mouse->irq); + input_unregister_device(mouse->dev); + usb_free_urb(mouse->irq); + usb_buffer_free(interface_to_usbdev(intf), 8, mouse->data, mouse->data_dma); + kfree(mouse); + } +} + +static struct usb_device_id usb_mouse_id_table [] = { + { USB_INTERFACE_INFO(USB_INTERFACE_CLASS_HID, USB_INTERFACE_SUBCLASS_BOOT, + USB_INTERFACE_PROTOCOL_MOUSE) }, + { } /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE (usb, usb_mouse_id_table); + +static struct usb_driver usb_mouse_driver = { + .name = "usbmouse", + .probe = usb_mouse_probe, + .disconnect = usb_mouse_disconnect, + .id_table = usb_mouse_id_table, +}; + +static int __init usb_mouse_init(void) +{ + int retval = usb_register(&usb_mouse_driver); + if (retval == 0) + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" + DRIVER_DESC "\n"); + return retval; +} + +static void __exit usb_mouse_exit(void) +{ + usb_deregister(&usb_mouse_driver); +} + +module_init(usb_mouse_init); +module_exit(usb_mouse_exit); |
