#pragma once

#include "core/types.h"

// HID over transports other than USB. The report parser and the keyboard and
// pointer paths are kernel/drivers/usb/hid/usb_hid.c's; a transport hands
// over the report descriptor once and every input report after it.

// The device described by `desc`, or 0 if it is neither a keyboard nor a
// pointer. `what` names it in the log.
void *hid_attach(const uchar *desc, int n, const char *what);
// One input report, report ID included when the device uses them.
void  hid_attached_input(void *h, const uchar *rep, int len);

// For GMMOS, after a panic: whether a device is a keyboard, and one of its
// reports rewritten into the 8-byte boot layout (modifiers, reserved, six
// usages) with nothing else done -- no queue, no lock, no events. 0 when the
// report was not a keyboard's.
int   hid_is_keyboard(void *h);
int   hid_boot_report(void *h, const uchar *rep, int len, uchar *boot);

// I2C-HID: the touchpads (and some keyboards) of laptops. Started once ACPI
// and kernel threads are up; see kernel/drivers/i2c/i2c_hid.c.
void  i2c_hid_start(void);