acrn-hypervisor/devicemodel/include/atkbdc.h

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/*-
* Copyright (c) 2015 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
* 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, 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 OR CONTRIBUTORS 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 _ATKBDC_H_
#define _ATKBDC_H_
#define KBD_DATA_PORT 0x60
#define KBD_STS_CTL_PORT 0x64
#define KBDC_RESET 0xfe
#define KBD_DEV_IRQ 1
#define AUX_DEV_IRQ 12
/* controller commands */
#define KBDC_SET_COMMAND_BYTE 0x60
#define KBDC_GET_COMMAND_BYTE 0x20
#define KBDC_DISABLE_AUX_PORT 0xa7
#define KBDC_ENABLE_AUX_PORT 0xa8
#define KBDC_TEST_AUX_PORT 0xa9
#define KBDC_TEST_CTRL 0xaa
#define KBDC_TEST_KBD_PORT 0xab
#define KBDC_DISABLE_KBD_PORT 0xad
#define KBDC_ENABLE_KBD_PORT 0xae
#define KBDC_READ_INPORT 0xc0
#define KBDC_READ_OUTPORT 0xd0
#define KBDC_WRITE_OUTPORT 0xd1
#define KBDC_WRITE_KBD_OUTBUF 0xd2
#define KBDC_WRITE_AUX_OUTBUF 0xd3
#define KBDC_WRITE_TO_AUX 0xd4
/* controller command byte (set by KBDC_SET_COMMAND_BYTE) */
#define KBD_TRANSLATION 0x40
#define KBD_SYS_FLAG_BIT 0x04
#define KBD_DISABLE_KBD_PORT 0x10
#define KBD_DISABLE_AUX_PORT 0x20
#define KBD_ENABLE_AUX_INT 0x02
#define KBD_ENABLE_KBD_INT 0x01
#define KBD_KBD_CONTROL_BITS (KBD_DISABLE_KBD_PORT | KBD_ENABLE_KBD_INT)
#define KBD_AUX_CONTROL_BITS (KBD_DISABLE_AUX_PORT | KBD_ENABLE_AUX_INT)
/* controller status bits */
#define KBDS_KBD_BUFFER_FULL 0x01
#define KBDS_SYS_FLAG 0x04
#define KBDS_CTRL_FLAG 0x08
#define KBDS_AUX_BUFFER_FULL 0x20
/* controller output port */
#define KBDO_KBD_OUTFULL 0x10
#define KBDO_AUX_OUTFULL 0x20
#define RAMSZ 32
#define FIFOSZ 15
#define CTRL_CMD_FLAG 0x8000
struct vmctx;
struct kbd_dev {
bool irq_active;
int irq;
uint8_t buffer[FIFOSZ];
int brd, bwr;
int bcnt;
};
struct aux_dev {
bool irq_active;
int irq;
};
struct atkbdc_base {
struct vmctx *ctx;
pthread_mutex_t mtx;
struct ps2kbd_info *ps2kbd;
struct ps2mouse_info *ps2mouse;
uint8_t status; /* status register */
uint8_t outport; /* controller output port */
uint8_t ram[RAMSZ]; /* byte0 = controller config */
uint32_t curcmd; /* current command for next byte */
uint32_t ctrlbyte;
struct kbd_dev kbd;
struct aux_dev aux;
};
void atkbdc_init(struct vmctx *ctx);
void atkbdc_deinit(struct vmctx *ctx);
void atkbdc_event(struct atkbdc_base *base, int iskbd);
#endif /* _ATKBDC_H_ */