/*-
* Copyright (c) 2017 Microsoft Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _HV_KBD_H
#define _HV_KBD_H
#include <sys/param.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/queue.h>
#include <sys/systm.h>
#include <dev/kbd/kbdreg.h>
#include "opt_evdev.h"
#ifdef EVDEV_SUPPORT
#include <dev/evdev/evdev.h>
#include <dev/evdev/input.h>
#endif
#define HVKBD_DRIVER_NAME "hvkbd"
#define IS_UNICODE (1)
#define IS_BREAK (2)
#define IS_E0 (4)
#define IS_E1 (8)
#define XTKBD_EMUL0 (0xe0)
#define XTKBD_EMUL1 (0xe1)
#define XTKBD_RELEASE (0x80)
#define DEBUG_HVSC(sc, ...) do { \
if (sc->debug > 0) { \
device_printf(sc->dev, __VA_ARGS__); \
} \
} while (0)
#define DEBUG_HVKBD(kbd, ...) do { \
hv_kbd_sc *sc = (kbd)->kb_data; \
DEBUG_HVSC(sc, __VA_ARGS__); \
} while (0)
struct vmbus_channel;
struct vmbus_xact_ctx;
typedef struct keystroke_t {
uint16_t makecode;
uint32_t info;
} keystroke;
typedef struct keystroke_info {
LIST_ENTRY(keystroke_info) link;
STAILQ_ENTRY(keystroke_info) slink;
keystroke ks;
} keystroke_info;
typedef struct hv_kbd_sc_t {
struct vmbus_channel *hs_chan;
device_t dev;
struct vmbus_xact_ctx *hs_xact_ctx;
int32_t buflen;
uint8_t *buf;
struct mtx ks_mtx;
LIST_HEAD(, keystroke_info) ks_free_list;
STAILQ_HEAD(, keystroke_info) ks_queue; /* keystroke info queue */
keyboard_t sc_kbd;
int sc_mode;
int sc_state;
uint32_t sc_accents; /* accent key index (> 0) */
uint32_t sc_composed_char; /* composed char code */
uint8_t sc_prefix; /* AT scan code prefix */
int sc_polling; /* polling recursion count */
uint32_t sc_flags;
int debug;
#ifdef EVDEV_SUPPORT
struct evdev_dev *ks_evdev;
int ks_evdev_state;
#endif
} hv_kbd_sc;
int hv_kbd_produce_ks(hv_kbd_sc *sc, const keystroke *ks);
int hv_kbd_fetch_top(hv_kbd_sc *sc, keystroke *top);
int hv_kbd_modify_top(hv_kbd_sc *sc, keystroke *top);
int hv_kbd_remove_top(hv_kbd_sc *sc);
int hv_kbd_prod_is_ready(hv_kbd_sc *sc);
void hv_kbd_read_channel(struct vmbus_channel *, void *);
int hv_kbd_drv_attach(device_t dev);
int hv_kbd_drv_detach(device_t dev);
int hvkbd_driver_load(module_t, int, void *);
void hv_kbd_intr(hv_kbd_sc *sc);
#endif
