historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/include/hw/misc/cbus.h
2024-01-16 11:20:27 -06:00

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/*
* CBUS three-pin bus and the Retu / Betty / Tahvo / Vilma / Avilma /
* Hinku / Vinku / Ahne / Pihi chips used in various Nokia platforms.
* Based on reverse-engineering of a linux driver.
*
* Copyright (C) 2008 Nokia Corporation
* Written by Andrzej Zaborowski
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef HW_MISC_CBUS_H
#define HW_MISC_CBUS_H
typedef struct {
qemu_irq clk;
qemu_irq dat;
qemu_irq sel;
} CBus;
CBus *cbus_init(qemu_irq dat_out);
void cbus_attach(CBus *bus, void *slave_opaque);
void *retu_init(qemu_irq irq, int vilma);
void *tahvo_init(qemu_irq irq, int betty);
void retu_key_event(void *retu, int state);
#endif