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