qemu

FORK: QEMU emulator
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macfb.h (2329B)

      1 /*
      2  * QEMU Motorola 680x0 Macintosh Video Card Emulation
      3  *                 Copyright (c) 2012-2018 Laurent Vivier
      4  *
      5  * some parts from QEMU G364 framebuffer Emulator.
      6  *                 Copyright (c) 2007-2011 Herve Poussineau
      7  *
      8  * This work is licensed under the terms of the GNU GPL, version 2 or later.
      9  * See the COPYING file in the top-level directory.
     10  *
     11  */
     12 
     13 #ifndef MACFB_H
     14 #define MACFB_H
     15 
     16 #include "exec/memory.h"
     17 #include "hw/irq.h"
     18 #include "ui/console.h"
     19 #include "qemu/timer.h"
     20 #include "qom/object.h"
     21 
     22 typedef enum  {
     23     MACFB_DISPLAY_APPLE_21_COLOR = 0,
     24     MACFB_DISPLAY_APPLE_PORTRAIT = 1,
     25     MACFB_DISPLAY_APPLE_12_RGB = 2,
     26     MACFB_DISPLAY_APPLE_2PAGE_MONO = 3,
     27     MACFB_DISPLAY_NTSC_UNDERSCAN = 4,
     28     MACFB_DISPLAY_NTSC_OVERSCAN = 5,
     29     MACFB_DISPLAY_APPLE_12_MONO = 6,
     30     MACFB_DISPLAY_APPLE_13_RGB = 7,
     31     MACFB_DISPLAY_16_COLOR = 8,
     32     MACFB_DISPLAY_PAL1_UNDERSCAN = 9,
     33     MACFB_DISPLAY_PAL1_OVERSCAN = 10,
     34     MACFB_DISPLAY_PAL2_UNDERSCAN = 11,
     35     MACFB_DISPLAY_PAL2_OVERSCAN = 12,
     36     MACFB_DISPLAY_VGA = 13,
     37     MACFB_DISPLAY_SVGA = 14,
     38 } MacfbDisplayType;
     39 
     40 typedef struct MacFbMode {
     41     uint8_t type;
     42     uint8_t depth;
     43     uint32_t mode_ctrl1;
     44     uint32_t mode_ctrl2;
     45     uint32_t width;
     46     uint32_t height;
     47     uint32_t stride;
     48     uint32_t offset;
     49 } MacFbMode;
     50 
     51 #define MACFB_CTRL_TOPADDR  0x200
     52 #define MACFB_NUM_REGS      (MACFB_CTRL_TOPADDR / sizeof(uint32_t))
     53 
     54 typedef struct MacfbState {
     55     MemoryRegion mem_vram;
     56     MemoryRegion mem_ctrl;
     57     QemuConsole *con;
     58 
     59     uint8_t *vram;
     60     uint32_t vram_bit_mask;
     61     uint32_t palette_current;
     62     uint8_t color_palette[256 * 3];
     63     uint32_t width, height; /* in pixels */
     64     uint8_t depth;
     65     uint8_t type;
     66 
     67     uint32_t regs[MACFB_NUM_REGS];
     68     MacFbMode *mode;
     69 
     70     QEMUTimer *vbl_timer;
     71     qemu_irq irq;
     72 } MacfbState;
     73 
     74 #define TYPE_MACFB "sysbus-macfb"
     75 OBJECT_DECLARE_SIMPLE_TYPE(MacfbSysBusState, MACFB)
     76 
     77 struct MacfbSysBusState {
     78     SysBusDevice busdev;
     79 
     80     MacfbState macfb;
     81 };
     82 
     83 #define TYPE_NUBUS_MACFB "nubus-macfb"
     84 OBJECT_DECLARE_TYPE(MacfbNubusState, MacfbNubusDeviceClass, NUBUS_MACFB)
     85 
     86 struct MacfbNubusDeviceClass {
     87     DeviceClass parent_class;
     88 
     89     DeviceRealize parent_realize;
     90     DeviceUnrealize parent_unrealize;
     91 };
     92 
     93 
     94 struct MacfbNubusState {
     95     NubusDevice busdev;
     96 
     97     MacfbState macfb;
     98 };
     99 
    100 #endif