/*-
 * Copyright (c) 2006 Michael Lorenz
 * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``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 FOUNDATION 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.
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: obiovar.h,v 1.8 2026/05/11 10:35:03 macallan Exp $");

#ifndef OBIOVAR_H
#define OBIOVAR_H

/*
 * access obio registers
 * Since only some PowerBooks have more than one obio and in these cases we
 * need to special-case it anyway we can safely assume that whoever wants to
 * mess with obio registers means obio0
 */

void obio_write_4(int, uint32_t);
void obio_write_1(int, uint8_t);
uint32_t obio_read_4(int);
uint8_t obio_read_1(int);
int obio_space_map(bus_addr_t, bus_size_t, bus_space_handle_t *);

/* some common offsets */
#define OBIO_PUSHBUTTON 0x30
#define OBIO_BUTTON_SET 0x80
#define OBIO_BUTTON_0   0x01
#define OBIO_BUTTON_1   0x02
#define OBIO_BUTTON_2   0x04
#define OBIO_BUTTON_3   0x08

#define OBIO_MEDIABAY   0x34
#define HEATHROW_FCR    0x38
#define OBIO_FCR0       0x38

#define GPIO_OUTSEL     0xf0    /* Output select */
                /*      0x00    GPIO bit0 is output
                        0x10    media-bay power
                        0x20    reserved
                        0x30    MPIC */

#define GPIO_ALTOE      0x08    /* Alternate output enable */
                /*      0x00    Use DDR
                        0x08    Use output select */
#define GPIO_DDR        0x04    /* Data direction */
#define GPIO_DDR_OUTPUT 0x04    /* Output */
#define GPIO_DDR_INPUT  0x00    /* Input */

#define GPIO_LEVEL      0x02    /* Pin level (RO) */

#define GPIO_DATA       0x01    /* Data */

/* FCR(0x3c) bits */
#define KEYLARGO_FCR1   0x3c
#define  I2S0CLKEN      0x1000
#define  I2S0EN         0x2000
#define  I2S1CLKEN      0x080000
#define  I2S1EN         0x100000
#define FCR3C_BITMASK "\020\25I2S1EN\24I2S1CLKEN\16I2S0EN\15I2S0CLKEN"

#define OBIO_FCR1       0x3c
#define OBIO_FCR2       0x40
#define OBIO_FCR3       0x44
#define OBIO_FCR4       0x48

/* likely ohare specific */
#define OBIO_IRQ_BUTTON 11

#endif /* OBIOVAR_H */