hw/ds1338: Remove 'now' field from state struct
[qemu/pbrook.git] / hw / vga-isa-mm.c
blob306e6ba443f1cbb0367c6f5e84d1c23ecad9561d
1 /*
2 * QEMU ISA MM VGA Emulator.
4 * Copyright (c) 2003 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
24 #include "hw.h"
25 #include "console.h"
26 #include "pc.h"
27 #include "vga_int.h"
28 #include "pixel_ops.h"
29 #include "qemu-timer.h"
31 #define VGA_RAM_SIZE (8192 * 1024)
33 typedef struct ISAVGAMMState {
34 VGACommonState vga;
35 int it_shift;
36 } ISAVGAMMState;
38 /* Memory mapped interface */
39 static uint32_t vga_mm_readb (void *opaque, target_phys_addr_t addr)
41 ISAVGAMMState *s = opaque;
43 return vga_ioport_read(&s->vga, addr >> s->it_shift) & 0xff;
46 static void vga_mm_writeb (void *opaque,
47 target_phys_addr_t addr, uint32_t value)
49 ISAVGAMMState *s = opaque;
51 vga_ioport_write(&s->vga, addr >> s->it_shift, value & 0xff);
54 static uint32_t vga_mm_readw (void *opaque, target_phys_addr_t addr)
56 ISAVGAMMState *s = opaque;
58 return vga_ioport_read(&s->vga, addr >> s->it_shift) & 0xffff;
61 static void vga_mm_writew (void *opaque,
62 target_phys_addr_t addr, uint32_t value)
64 ISAVGAMMState *s = opaque;
66 vga_ioport_write(&s->vga, addr >> s->it_shift, value & 0xffff);
69 static uint32_t vga_mm_readl (void *opaque, target_phys_addr_t addr)
71 ISAVGAMMState *s = opaque;
73 return vga_ioport_read(&s->vga, addr >> s->it_shift);
76 static void vga_mm_writel (void *opaque,
77 target_phys_addr_t addr, uint32_t value)
79 ISAVGAMMState *s = opaque;
81 vga_ioport_write(&s->vga, addr >> s->it_shift, value);
84 static const MemoryRegionOps vga_mm_ctrl_ops = {
85 .old_mmio = {
86 .read = {
87 vga_mm_readb,
88 vga_mm_readw,
89 vga_mm_readl,
91 .write = {
92 vga_mm_writeb,
93 vga_mm_writew,
94 vga_mm_writel,
97 .endianness = DEVICE_NATIVE_ENDIAN,
100 static void vga_mm_init(ISAVGAMMState *s, target_phys_addr_t vram_base,
101 target_phys_addr_t ctrl_base, int it_shift,
102 MemoryRegion *address_space)
104 MemoryRegion *s_ioport_ctrl, *vga_io_memory;
106 s->it_shift = it_shift;
107 s_ioport_ctrl = g_malloc(sizeof(*s_ioport_ctrl));
108 memory_region_init_io(s_ioport_ctrl, &vga_mm_ctrl_ops, s,
109 "vga-mm-ctrl", 0x100000);
110 memory_region_set_flush_coalesced(s_ioport_ctrl);
112 vga_io_memory = g_malloc(sizeof(*vga_io_memory));
113 /* XXX: endianness? */
114 memory_region_init_io(vga_io_memory, &vga_mem_ops, &s->vga,
115 "vga-mem", 0x20000);
117 vmstate_register(NULL, 0, &vmstate_vga_common, s);
119 memory_region_add_subregion(address_space, ctrl_base, s_ioport_ctrl);
120 s->vga.bank_offset = 0;
121 memory_region_add_subregion(address_space,
122 vram_base + 0x000a0000, vga_io_memory);
123 memory_region_set_coalescing(vga_io_memory);
126 int isa_vga_mm_init(target_phys_addr_t vram_base,
127 target_phys_addr_t ctrl_base, int it_shift,
128 MemoryRegion *address_space)
130 ISAVGAMMState *s;
132 s = g_malloc0(sizeof(*s));
134 s->vga.vram_size_mb = VGA_RAM_SIZE >> 20;
135 vga_common_init(&s->vga);
136 vga_mm_init(s, vram_base, ctrl_base, it_shift, address_space);
138 s->vga.ds = graphic_console_init(s->vga.update, s->vga.invalidate,
139 s->vga.screen_dump, s->vga.text_update, s);
141 vga_init_vbe(&s->vga, address_space);
142 return 0;