2019-10-26 18:45:43 +02:00
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/*
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* QEMU Motorola 680x0 Macintosh Video Card Emulation
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* Copyright (c) 2012-2018 Laurent Vivier
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*
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* some parts from QEMU G364 framebuffer Emulator.
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* Copyright (c) 2007-2011 Herve Poussineau
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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#ifndef MACFB_H
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#define MACFB_H
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#include "exec/memory.h"
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2021-10-08 00:12:52 +02:00
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#include "hw/irq.h"
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2022-12-22 13:08:11 +01:00
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#include "hw/nubus/nubus.h"
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#include "hw/sysbus.h"
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2019-10-26 18:45:43 +02:00
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#include "ui/console.h"
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2021-10-08 00:12:52 +02:00
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#include "qemu/timer.h"
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2019-10-26 18:45:43 +02:00
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2021-10-08 00:12:47 +02:00
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typedef enum {
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MACFB_DISPLAY_APPLE_21_COLOR = 0,
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MACFB_DISPLAY_APPLE_PORTRAIT = 1,
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MACFB_DISPLAY_APPLE_12_RGB = 2,
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MACFB_DISPLAY_APPLE_2PAGE_MONO = 3,
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MACFB_DISPLAY_NTSC_UNDERSCAN = 4,
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MACFB_DISPLAY_NTSC_OVERSCAN = 5,
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MACFB_DISPLAY_APPLE_12_MONO = 6,
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MACFB_DISPLAY_APPLE_13_RGB = 7,
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MACFB_DISPLAY_16_COLOR = 8,
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MACFB_DISPLAY_PAL1_UNDERSCAN = 9,
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MACFB_DISPLAY_PAL1_OVERSCAN = 10,
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MACFB_DISPLAY_PAL2_UNDERSCAN = 11,
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MACFB_DISPLAY_PAL2_OVERSCAN = 12,
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MACFB_DISPLAY_VGA = 13,
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MACFB_DISPLAY_SVGA = 14,
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} MacfbDisplayType;
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2021-10-08 00:12:49 +02:00
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typedef struct MacFbMode {
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uint8_t type;
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uint8_t depth;
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uint32_t mode_ctrl1;
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uint32_t mode_ctrl2;
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uint32_t width;
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uint32_t height;
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uint32_t stride;
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uint32_t offset;
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} MacFbMode;
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2022-03-05 16:55:23 +01:00
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#define MACFB_CTRL_TOPADDR 0x200
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#define MACFB_NUM_REGS (MACFB_CTRL_TOPADDR / sizeof(uint32_t))
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2021-10-08 00:12:49 +02:00
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2019-10-26 18:45:43 +02:00
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typedef struct MacfbState {
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MemoryRegion mem_vram;
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MemoryRegion mem_ctrl;
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QemuConsole *con;
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uint8_t *vram;
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uint32_t vram_bit_mask;
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uint32_t palette_current;
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uint8_t color_palette[256 * 3];
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uint32_t width, height; /* in pixels */
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uint8_t depth;
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2021-10-08 00:12:48 +02:00
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uint8_t type;
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2021-10-08 00:12:47 +02:00
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2021-10-08 00:12:49 +02:00
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uint32_t regs[MACFB_NUM_REGS];
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MacFbMode *mode;
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2021-10-08 00:12:52 +02:00
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QEMUTimer *vbl_timer;
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qemu_irq irq;
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2019-10-26 18:45:43 +02:00
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} MacfbState;
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#define TYPE_MACFB "sysbus-macfb"
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2020-09-16 20:25:19 +02:00
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OBJECT_DECLARE_SIMPLE_TYPE(MacfbSysBusState, MACFB)
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2019-10-26 18:45:43 +02:00
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2020-09-03 22:43:22 +02:00
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struct MacfbSysBusState {
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2019-10-26 18:45:43 +02:00
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SysBusDevice busdev;
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MacfbState macfb;
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2020-09-03 22:43:22 +02:00
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};
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2019-10-26 18:45:43 +02:00
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2020-09-03 22:43:22 +02:00
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#define TYPE_NUBUS_MACFB "nubus-macfb"
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2020-09-16 20:25:18 +02:00
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OBJECT_DECLARE_TYPE(MacfbNubusState, MacfbNubusDeviceClass, NUBUS_MACFB)
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2019-10-26 18:45:43 +02:00
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2020-09-03 22:43:22 +02:00
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struct MacfbNubusDeviceClass {
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2019-10-26 18:45:43 +02:00
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DeviceClass parent_class;
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DeviceRealize parent_realize;
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2021-10-08 00:12:52 +02:00
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DeviceUnrealize parent_unrealize;
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2020-09-03 22:43:22 +02:00
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};
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2019-10-26 18:45:43 +02:00
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2020-09-03 22:43:22 +02:00
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struct MacfbNubusState {
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2019-10-26 18:45:43 +02:00
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NubusDevice busdev;
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MacfbState macfb;
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2020-09-03 22:43:22 +02:00
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};
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2019-10-26 18:45:43 +02:00
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#endif
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