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/*
* QEMU Motorola 680x0 Macintosh Video Card Emulation
* Copyright (c) 2012-2018 Laurent Vivier
*
* some parts from QEMU G364 framebuffer Emulator.
* Copyright (c) 2007-2011 Herve Poussineau
*
* 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 MACFB_H
#define MACFB_H
#include "exec/memory.h"
#include "hw/irq.h"
#include "hw/nubus/nubus.h"
#include "hw/sysbus.h"
#include "ui/console.h"
#include "qemu/timer.h"
typedef enum {
MACFB_DISPLAY_APPLE_21_COLOR = 0,
MACFB_DISPLAY_APPLE_PORTRAIT = 1,
MACFB_DISPLAY_APPLE_12_RGB = 2,
MACFB_DISPLAY_APPLE_2PAGE_MONO = 3,
MACFB_DISPLAY_NTSC_UNDERSCAN = 4,
MACFB_DISPLAY_NTSC_OVERSCAN = 5,
MACFB_DISPLAY_APPLE_12_MONO = 6,
MACFB_DISPLAY_APPLE_13_RGB = 7,
MACFB_DISPLAY_16_COLOR = 8,
MACFB_DISPLAY_PAL1_UNDERSCAN = 9,
MACFB_DISPLAY_PAL1_OVERSCAN = 10,
MACFB_DISPLAY_PAL2_UNDERSCAN = 11,
MACFB_DISPLAY_PAL2_OVERSCAN = 12,
MACFB_DISPLAY_VGA = 13,
MACFB_DISPLAY_SVGA = 14,
} MacfbDisplayType;
typedef struct MacFbMode {
uint8_t type;
uint8_t depth;
uint32_t mode_ctrl1;
uint32_t mode_ctrl2;
uint32_t width;
uint32_t height;
uint32_t stride;
uint32_t offset;
} MacFbMode;
#define MACFB_CTRL_TOPADDR 0x200
#define MACFB_NUM_REGS (MACFB_CTRL_TOPADDR / sizeof(uint32_t))
typedef struct MacfbState {
MemoryRegion mem_vram;
MemoryRegion mem_ctrl;
QemuConsole *con;
uint8_t *vram;
uint32_t vram_bit_mask;
uint32_t palette_current;
uint8_t color_palette[256 * 3];
uint32_t width, height; /* in pixels */
uint8_t depth;
uint8_t type;
uint32_t regs[MACFB_NUM_REGS];
MacFbMode *mode;
QEMUTimer *vbl_timer;
qemu_irq irq;
} MacfbState;
#define TYPE_MACFB "sysbus-macfb"
OBJECT_DECLARE_SIMPLE_TYPE(MacfbSysBusState, MACFB)
struct MacfbSysBusState {
SysBusDevice busdev;
MacfbState macfb;
};
#define TYPE_NUBUS_MACFB "nubus-macfb"
OBJECT_DECLARE_TYPE(MacfbNubusState, MacfbNubusDeviceClass, NUBUS_MACFB)
struct MacfbNubusDeviceClass {
DeviceClass parent_class;
DeviceRealize parent_realize;
DeviceUnrealize parent_unrealize;
};
struct MacfbNubusState {
NubusDevice busdev;
MacfbState macfb;
};
#endif
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