root / hw / display / g364fb.c @ 2c9b15ca
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1 | 1fc3d392 | aurel32 | /*
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2 | 1fc3d392 | aurel32 | * QEMU G364 framebuffer Emulator.
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3 | 1fc3d392 | aurel32 | *
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4 | 97a3f6ff | Hervé Poussineau | * Copyright (c) 2007-2011 Herve Poussineau
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5 | 1fc3d392 | aurel32 | *
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6 | 1fc3d392 | aurel32 | * This program is free software; you can redistribute it and/or
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7 | 1fc3d392 | aurel32 | * modify it under the terms of the GNU General Public License as
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8 | 1fc3d392 | aurel32 | * published by the Free Software Foundation; either version 2 of
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9 | 1fc3d392 | aurel32 | * the License, or (at your option) any later version.
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10 | 1fc3d392 | aurel32 | *
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11 | 1fc3d392 | aurel32 | * This program is distributed in the hope that it will be useful,
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12 | 1fc3d392 | aurel32 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | 1fc3d392 | aurel32 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | 1fc3d392 | aurel32 | * GNU General Public License for more details.
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15 | 1fc3d392 | aurel32 | *
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16 | fad6cb1a | aurel32 | * You should have received a copy of the GNU General Public License along
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17 | 8167ee88 | Blue Swirl | * with this program; if not, see <http://www.gnu.org/licenses/>.
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18 | 1fc3d392 | aurel32 | */
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19 | 1fc3d392 | aurel32 | |
20 | 83c9f4ca | Paolo Bonzini | #include "hw/hw.h" |
21 | 28ecbaee | Paolo Bonzini | #include "ui/console.h" |
22 | 28ecbaee | Paolo Bonzini | #include "ui/pixel_ops.h" |
23 | b213b370 | Hervé Poussineau | #include "trace.h" |
24 | 83c9f4ca | Paolo Bonzini | #include "hw/sysbus.h" |
25 | 0add30cf | aurel32 | |
26 | 1fc3d392 | aurel32 | typedef struct G364State { |
27 | 0add30cf | aurel32 | /* hardware */
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28 | 0add30cf | aurel32 | uint8_t *vram; |
29 | 97a3f6ff | Hervé Poussineau | uint32_t vram_size; |
30 | 0add30cf | aurel32 | qemu_irq irq; |
31 | 97a3f6ff | Hervé Poussineau | MemoryRegion mem_vram; |
32 | 97a3f6ff | Hervé Poussineau | MemoryRegion mem_ctrl; |
33 | 0add30cf | aurel32 | /* registers */
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34 | 0add30cf | aurel32 | uint8_t color_palette[256][3]; |
35 | 0add30cf | aurel32 | uint8_t cursor_palette[3][3]; |
36 | 0add30cf | aurel32 | uint16_t cursor[512];
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37 | 0add30cf | aurel32 | uint32_t cursor_position; |
38 | 1fc3d392 | aurel32 | uint32_t ctla; |
39 | 0add30cf | aurel32 | uint32_t top_of_screen; |
40 | 0add30cf | aurel32 | uint32_t width, height; /* in pixels */
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41 | 1fc3d392 | aurel32 | /* display refresh support */
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42 | c78f7137 | Gerd Hoffmann | QemuConsole *con; |
43 | 0add30cf | aurel32 | int depth;
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44 | 0add30cf | aurel32 | int blanked;
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45 | 1fc3d392 | aurel32 | } G364State; |
46 | 1fc3d392 | aurel32 | |
47 | 97a3f6ff | Hervé Poussineau | #define REG_BOOT 0x000000 |
48 | 97a3f6ff | Hervé Poussineau | #define REG_DISPLAY 0x000118 |
49 | 97a3f6ff | Hervé Poussineau | #define REG_VDISPLAY 0x000150 |
50 | 97a3f6ff | Hervé Poussineau | #define REG_CTLA 0x000300 |
51 | 97a3f6ff | Hervé Poussineau | #define REG_TOP 0x000400 |
52 | 97a3f6ff | Hervé Poussineau | #define REG_CURS_PAL 0x000508 |
53 | 97a3f6ff | Hervé Poussineau | #define REG_CURS_POS 0x000638 |
54 | 97a3f6ff | Hervé Poussineau | #define REG_CLR_PAL 0x000800 |
55 | 97a3f6ff | Hervé Poussineau | #define REG_CURS_PAT 0x001000 |
56 | 97a3f6ff | Hervé Poussineau | #define REG_RESET 0x100000 |
57 | 0add30cf | aurel32 | |
58 | 0add30cf | aurel32 | #define CTLA_FORCE_BLANK 0x00000400 |
59 | 0add30cf | aurel32 | #define CTLA_NO_CURSOR 0x00800000 |
60 | 0add30cf | aurel32 | |
61 | 1213406b | Blue Swirl | #define G364_PAGE_SIZE 4096 |
62 | 1213406b | Blue Swirl | |
63 | 97a3f6ff | Hervé Poussineau | static inline int check_dirty(G364State *s, ram_addr_t page) |
64 | 0add30cf | aurel32 | { |
65 | cd7a45c9 | Blue Swirl | return memory_region_get_dirty(&s->mem_vram, page, G364_PAGE_SIZE,
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66 | cd7a45c9 | Blue Swirl | DIRTY_MEMORY_VGA); |
67 | 0add30cf | aurel32 | } |
68 | 0add30cf | aurel32 | |
69 | 0add30cf | aurel32 | static inline void reset_dirty(G364State *s, |
70 | c227f099 | Anthony Liguori | ram_addr_t page_min, ram_addr_t page_max) |
71 | 0add30cf | aurel32 | { |
72 | 97a3f6ff | Hervé Poussineau | memory_region_reset_dirty(&s->mem_vram, |
73 | 97a3f6ff | Hervé Poussineau | page_min, |
74 | 1213406b | Blue Swirl | page_max + G364_PAGE_SIZE - page_min - 1,
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75 | 97a3f6ff | Hervé Poussineau | DIRTY_MEMORY_VGA); |
76 | 0add30cf | aurel32 | } |
77 | 0add30cf | aurel32 | |
78 | 0add30cf | aurel32 | static void g364fb_draw_graphic8(G364State *s) |
79 | 1fc3d392 | aurel32 | { |
80 | c78f7137 | Gerd Hoffmann | DisplaySurface *surface = qemu_console_surface(s->con); |
81 | 0add30cf | aurel32 | int i, w;
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82 | 0add30cf | aurel32 | uint8_t *vram; |
83 | 0add30cf | aurel32 | uint8_t *data_display, *dd; |
84 | c227f099 | Anthony Liguori | ram_addr_t page, page_min, page_max; |
85 | 0add30cf | aurel32 | int x, y;
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86 | 0add30cf | aurel32 | int xmin, xmax;
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87 | 0add30cf | aurel32 | int ymin, ymax;
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88 | 0add30cf | aurel32 | int xcursor, ycursor;
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89 | 0add30cf | aurel32 | unsigned int (*rgb_to_pixel)(unsigned int r, unsigned int g, unsigned int b); |
90 | 0add30cf | aurel32 | |
91 | c78f7137 | Gerd Hoffmann | switch (surface_bits_per_pixel(surface)) {
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92 | 1fc3d392 | aurel32 | case 8: |
93 | 0add30cf | aurel32 | rgb_to_pixel = rgb_to_pixel8; |
94 | 0add30cf | aurel32 | w = 1;
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95 | 1fc3d392 | aurel32 | break;
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96 | 1fc3d392 | aurel32 | case 15: |
97 | 0add30cf | aurel32 | rgb_to_pixel = rgb_to_pixel15; |
98 | 0add30cf | aurel32 | w = 2;
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99 | 1fc3d392 | aurel32 | break;
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100 | 1fc3d392 | aurel32 | case 16: |
101 | 0add30cf | aurel32 | rgb_to_pixel = rgb_to_pixel16; |
102 | 0add30cf | aurel32 | w = 2;
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103 | 1fc3d392 | aurel32 | break;
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104 | 1fc3d392 | aurel32 | case 32: |
105 | 0add30cf | aurel32 | rgb_to_pixel = rgb_to_pixel32; |
106 | 0add30cf | aurel32 | w = 4;
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107 | 1fc3d392 | aurel32 | break;
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108 | 1fc3d392 | aurel32 | default:
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109 | b213b370 | Hervé Poussineau | hw_error("g364: unknown host depth %d",
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110 | c78f7137 | Gerd Hoffmann | surface_bits_per_pixel(surface)); |
111 | 1fc3d392 | aurel32 | return;
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112 | 1fc3d392 | aurel32 | } |
113 | 1fc3d392 | aurel32 | |
114 | 97a3f6ff | Hervé Poussineau | page = 0;
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115 | c227f099 | Anthony Liguori | page_min = (ram_addr_t)-1;
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116 | 0add30cf | aurel32 | page_max = 0;
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117 | 0add30cf | aurel32 | |
118 | 0add30cf | aurel32 | x = y = 0;
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119 | 0add30cf | aurel32 | xmin = s->width; |
120 | 0add30cf | aurel32 | xmax = 0;
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121 | 0add30cf | aurel32 | ymin = s->height; |
122 | 0add30cf | aurel32 | ymax = 0;
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123 | 0add30cf | aurel32 | |
124 | 0add30cf | aurel32 | if (!(s->ctla & CTLA_NO_CURSOR)) {
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125 | 0add30cf | aurel32 | xcursor = s->cursor_position >> 12;
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126 | 0add30cf | aurel32 | ycursor = s->cursor_position & 0xfff;
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127 | 0add30cf | aurel32 | } else {
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128 | 0add30cf | aurel32 | xcursor = ycursor = -65;
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129 | 0add30cf | aurel32 | } |
130 | 0add30cf | aurel32 | |
131 | 0add30cf | aurel32 | vram = s->vram + s->top_of_screen; |
132 | 0add30cf | aurel32 | /* XXX: out of range in vram? */
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133 | c78f7137 | Gerd Hoffmann | data_display = dd = surface_data(surface); |
134 | 0add30cf | aurel32 | while (y < s->height) {
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135 | 97a3f6ff | Hervé Poussineau | if (check_dirty(s, page)) {
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136 | 0add30cf | aurel32 | if (y < ymin)
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137 | 0add30cf | aurel32 | ymin = ymax = y; |
138 | c227f099 | Anthony Liguori | if (page_min == (ram_addr_t)-1) |
139 | 0add30cf | aurel32 | page_min = page; |
140 | 0add30cf | aurel32 | page_max = page; |
141 | 0add30cf | aurel32 | if (x < xmin)
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142 | 0add30cf | aurel32 | xmin = x; |
143 | 1213406b | Blue Swirl | for (i = 0; i < G364_PAGE_SIZE; i++) { |
144 | 0add30cf | aurel32 | uint8_t index; |
145 | 0add30cf | aurel32 | unsigned int color; |
146 | 0add30cf | aurel32 | if (unlikely((y >= ycursor && y < ycursor + 64) && |
147 | 0add30cf | aurel32 | (x >= xcursor && x < xcursor + 64))) {
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148 | 0add30cf | aurel32 | /* pointer area */
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149 | 0add30cf | aurel32 | int xdiff = x - xcursor;
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150 | 0add30cf | aurel32 | uint16_t curs = s->cursor[(y - ycursor) * 8 + xdiff / 8]; |
151 | 0add30cf | aurel32 | int op = (curs >> ((xdiff & 7) * 2)) & 3; |
152 | 0add30cf | aurel32 | if (likely(op == 0)) { |
153 | 0add30cf | aurel32 | /* transparent */
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154 | 0add30cf | aurel32 | index = *vram; |
155 | 0add30cf | aurel32 | color = (*rgb_to_pixel)( |
156 | 0add30cf | aurel32 | s->color_palette[index][0],
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157 | 0add30cf | aurel32 | s->color_palette[index][1],
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158 | 0add30cf | aurel32 | s->color_palette[index][2]);
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159 | 0add30cf | aurel32 | } else {
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160 | 0add30cf | aurel32 | /* get cursor color */
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161 | 0add30cf | aurel32 | index = op - 1;
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162 | 0add30cf | aurel32 | color = (*rgb_to_pixel)( |
163 | 0add30cf | aurel32 | s->cursor_palette[index][0],
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164 | 0add30cf | aurel32 | s->cursor_palette[index][1],
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165 | 0add30cf | aurel32 | s->cursor_palette[index][2]);
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166 | 0add30cf | aurel32 | } |
167 | 0add30cf | aurel32 | } else {
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168 | 0add30cf | aurel32 | /* normal area */
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169 | 0add30cf | aurel32 | index = *vram; |
170 | 0add30cf | aurel32 | color = (*rgb_to_pixel)( |
171 | 0add30cf | aurel32 | s->color_palette[index][0],
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172 | 0add30cf | aurel32 | s->color_palette[index][1],
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173 | 0add30cf | aurel32 | s->color_palette[index][2]);
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174 | 0add30cf | aurel32 | } |
175 | 0add30cf | aurel32 | memcpy(dd, &color, w); |
176 | 0add30cf | aurel32 | dd += w; |
177 | 0add30cf | aurel32 | x++; |
178 | 0add30cf | aurel32 | vram++; |
179 | 0add30cf | aurel32 | if (x == s->width) {
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180 | 0add30cf | aurel32 | xmax = s->width - 1;
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181 | 0add30cf | aurel32 | y++; |
182 | 0add30cf | aurel32 | if (y == s->height) {
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183 | 0add30cf | aurel32 | ymax = s->height - 1;
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184 | 0add30cf | aurel32 | goto done;
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185 | 0add30cf | aurel32 | } |
186 | c78f7137 | Gerd Hoffmann | data_display = dd = data_display + surface_stride(surface); |
187 | 0add30cf | aurel32 | xmin = 0;
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188 | 0add30cf | aurel32 | x = 0;
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189 | 0add30cf | aurel32 | } |
190 | 0add30cf | aurel32 | } |
191 | 0add30cf | aurel32 | if (x > xmax)
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192 | 0add30cf | aurel32 | xmax = x; |
193 | 0add30cf | aurel32 | if (y > ymax)
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194 | 0add30cf | aurel32 | ymax = y; |
195 | 0add30cf | aurel32 | } else {
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196 | 0add30cf | aurel32 | int dy;
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197 | c227f099 | Anthony Liguori | if (page_min != (ram_addr_t)-1) { |
198 | 0add30cf | aurel32 | reset_dirty(s, page_min, page_max); |
199 | c227f099 | Anthony Liguori | page_min = (ram_addr_t)-1;
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200 | 0add30cf | aurel32 | page_max = 0;
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201 | c78f7137 | Gerd Hoffmann | dpy_gfx_update(s->con, xmin, ymin, |
202 | a93a4a22 | Gerd Hoffmann | xmax - xmin + 1, ymax - ymin + 1); |
203 | 0add30cf | aurel32 | xmin = s->width; |
204 | 0add30cf | aurel32 | xmax = 0;
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205 | 0add30cf | aurel32 | ymin = s->height; |
206 | 0add30cf | aurel32 | ymax = 0;
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207 | 0add30cf | aurel32 | } |
208 | 1213406b | Blue Swirl | x += G364_PAGE_SIZE; |
209 | 0add30cf | aurel32 | dy = x / s->width; |
210 | 0add30cf | aurel32 | x = x % s->width; |
211 | 0add30cf | aurel32 | y += dy; |
212 | 1213406b | Blue Swirl | vram += G364_PAGE_SIZE; |
213 | c78f7137 | Gerd Hoffmann | data_display += dy * surface_stride(surface); |
214 | 0add30cf | aurel32 | dd = data_display + x * w; |
215 | 0add30cf | aurel32 | } |
216 | 1213406b | Blue Swirl | page += G364_PAGE_SIZE; |
217 | 0add30cf | aurel32 | } |
218 | 0add30cf | aurel32 | |
219 | 0add30cf | aurel32 | done:
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220 | c227f099 | Anthony Liguori | if (page_min != (ram_addr_t)-1) { |
221 | c78f7137 | Gerd Hoffmann | dpy_gfx_update(s->con, xmin, ymin, xmax - xmin + 1, ymax - ymin + 1); |
222 | 0add30cf | aurel32 | reset_dirty(s, page_min, page_max); |
223 | 0add30cf | aurel32 | } |
224 | 1fc3d392 | aurel32 | } |
225 | 1fc3d392 | aurel32 | |
226 | 0add30cf | aurel32 | static void g364fb_draw_blank(G364State *s) |
227 | 1fc3d392 | aurel32 | { |
228 | c78f7137 | Gerd Hoffmann | DisplaySurface *surface = qemu_console_surface(s->con); |
229 | 1fc3d392 | aurel32 | int i, w;
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230 | 1fc3d392 | aurel32 | uint8_t *d; |
231 | 1fc3d392 | aurel32 | |
232 | 0add30cf | aurel32 | if (s->blanked) {
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233 | 0add30cf | aurel32 | /* Screen is already blank. No need to redraw it */
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234 | 1fc3d392 | aurel32 | return;
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235 | 0add30cf | aurel32 | } |
236 | 1fc3d392 | aurel32 | |
237 | c78f7137 | Gerd Hoffmann | w = s->width * surface_bytes_per_pixel(surface); |
238 | c78f7137 | Gerd Hoffmann | d = surface_data(surface); |
239 | 0add30cf | aurel32 | for (i = 0; i < s->height; i++) { |
240 | 1fc3d392 | aurel32 | memset(d, 0, w);
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241 | c78f7137 | Gerd Hoffmann | d += surface_stride(surface); |
242 | 1fc3d392 | aurel32 | } |
243 | 221bb2d5 | aurel32 | |
244 | c78f7137 | Gerd Hoffmann | dpy_gfx_update(s->con, 0, 0, s->width, s->height); |
245 | 0add30cf | aurel32 | s->blanked = 1;
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246 | 1fc3d392 | aurel32 | } |
247 | 1fc3d392 | aurel32 | |
248 | 1fc3d392 | aurel32 | static void g364fb_update_display(void *opaque) |
249 | 1fc3d392 | aurel32 | { |
250 | 1fc3d392 | aurel32 | G364State *s = opaque; |
251 | c78f7137 | Gerd Hoffmann | DisplaySurface *surface = qemu_console_surface(s->con); |
252 | 1fc3d392 | aurel32 | |
253 | e9a07334 | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
254 | e9a07334 | Jan Kiszka | |
255 | 0add30cf | aurel32 | if (s->width == 0 || s->height == 0) |
256 | 221bb2d5 | aurel32 | return;
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257 | 221bb2d5 | aurel32 | |
258 | c78f7137 | Gerd Hoffmann | if (s->width != surface_width(surface) ||
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259 | c78f7137 | Gerd Hoffmann | s->height != surface_height(surface)) { |
260 | c78f7137 | Gerd Hoffmann | qemu_console_resize(s->con, s->width, s->height); |
261 | 221bb2d5 | aurel32 | } |
262 | 0add30cf | aurel32 | |
263 | 0add30cf | aurel32 | if (s->ctla & CTLA_FORCE_BLANK) {
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264 | 0add30cf | aurel32 | g364fb_draw_blank(s); |
265 | 0add30cf | aurel32 | } else if (s->depth == 8) { |
266 | 0add30cf | aurel32 | g364fb_draw_graphic8(s); |
267 | 0add30cf | aurel32 | } else {
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268 | b213b370 | Hervé Poussineau | error_report("g364: unknown guest depth %d", s->depth);
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269 | 1fc3d392 | aurel32 | } |
270 | 0add30cf | aurel32 | |
271 | 0add30cf | aurel32 | qemu_irq_raise(s->irq); |
272 | 1fc3d392 | aurel32 | } |
273 | 1fc3d392 | aurel32 | |
274 | 86178a57 | Juan Quintela | static inline void g364fb_invalidate_display(void *opaque) |
275 | 1fc3d392 | aurel32 | { |
276 | 1fc3d392 | aurel32 | G364State *s = opaque; |
277 | 0add30cf | aurel32 | |
278 | 0add30cf | aurel32 | s->blanked = 0;
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279 | fd4aa979 | Blue Swirl | memory_region_set_dirty(&s->mem_vram, 0, s->vram_size);
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280 | 1fc3d392 | aurel32 | } |
281 | 1fc3d392 | aurel32 | |
282 | 97a3f6ff | Hervé Poussineau | static void g364fb_reset(G364State *s) |
283 | 1fc3d392 | aurel32 | { |
284 | 0add30cf | aurel32 | qemu_irq_lower(s->irq); |
285 | 0add30cf | aurel32 | |
286 | 0add30cf | aurel32 | memset(s->color_palette, 0, sizeof(s->color_palette)); |
287 | 0add30cf | aurel32 | memset(s->cursor_palette, 0, sizeof(s->cursor_palette)); |
288 | 0add30cf | aurel32 | memset(s->cursor, 0, sizeof(s->cursor)); |
289 | 0add30cf | aurel32 | s->cursor_position = 0;
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290 | 0add30cf | aurel32 | s->ctla = 0;
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291 | 0add30cf | aurel32 | s->top_of_screen = 0;
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292 | 0add30cf | aurel32 | s->width = s->height = 0;
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293 | 0add30cf | aurel32 | memset(s->vram, 0, s->vram_size);
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294 | 97a3f6ff | Hervé Poussineau | g364fb_invalidate_display(s); |
295 | 1fc3d392 | aurel32 | } |
296 | 1fc3d392 | aurel32 | |
297 | 1fc3d392 | aurel32 | /* called for accesses to io ports */
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298 | 97a3f6ff | Hervé Poussineau | static uint64_t g364fb_ctrl_read(void *opaque, |
299 | a8170e5e | Avi Kivity | hwaddr addr, |
300 | 97a3f6ff | Hervé Poussineau | unsigned int size) |
301 | 1fc3d392 | aurel32 | { |
302 | 0add30cf | aurel32 | G364State *s = opaque; |
303 | 1fc3d392 | aurel32 | uint32_t val; |
304 | 1fc3d392 | aurel32 | |
305 | 0add30cf | aurel32 | if (addr >= REG_CURS_PAT && addr < REG_CURS_PAT + 0x1000) { |
306 | 0add30cf | aurel32 | /* cursor pattern */
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307 | 0add30cf | aurel32 | int idx = (addr - REG_CURS_PAT) >> 3; |
308 | 0add30cf | aurel32 | val = s->cursor[idx]; |
309 | 0add30cf | aurel32 | } else if (addr >= REG_CURS_PAL && addr < REG_CURS_PAL + 0x18) { |
310 | 0add30cf | aurel32 | /* cursor palette */
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311 | 0add30cf | aurel32 | int idx = (addr - REG_CURS_PAL) >> 3; |
312 | 0add30cf | aurel32 | val = ((uint32_t)s->cursor_palette[idx][0] << 16); |
313 | 0add30cf | aurel32 | val |= ((uint32_t)s->cursor_palette[idx][1] << 8); |
314 | 0add30cf | aurel32 | val |= ((uint32_t)s->cursor_palette[idx][2] << 0); |
315 | 0add30cf | aurel32 | } else {
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316 | 0add30cf | aurel32 | switch (addr) {
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317 | 0add30cf | aurel32 | case REG_DISPLAY:
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318 | 0add30cf | aurel32 | val = s->width / 4;
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319 | 0add30cf | aurel32 | break;
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320 | 0add30cf | aurel32 | case REG_VDISPLAY:
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321 | 0add30cf | aurel32 | val = s->height * 2;
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322 | 0add30cf | aurel32 | break;
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323 | 0add30cf | aurel32 | case REG_CTLA:
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324 | 0add30cf | aurel32 | val = s->ctla; |
325 | 0add30cf | aurel32 | break;
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326 | 0add30cf | aurel32 | default:
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327 | 0add30cf | aurel32 | { |
328 | b213b370 | Hervé Poussineau | error_report("g364: invalid read at [" TARGET_FMT_plx "]", |
329 | b213b370 | Hervé Poussineau | addr); |
330 | 0add30cf | aurel32 | val = 0;
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331 | 0add30cf | aurel32 | break;
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332 | 0add30cf | aurel32 | } |
333 | 0add30cf | aurel32 | } |
334 | 1fc3d392 | aurel32 | } |
335 | 1fc3d392 | aurel32 | |
336 | b213b370 | Hervé Poussineau | trace_g364fb_read(addr, val); |
337 | 1fc3d392 | aurel32 | |
338 | 1fc3d392 | aurel32 | return val;
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339 | 1fc3d392 | aurel32 | } |
340 | 1fc3d392 | aurel32 | |
341 | 0add30cf | aurel32 | static void g364fb_update_depth(G364State *s) |
342 | 1fc3d392 | aurel32 | { |
343 | 38972938 | Juan Quintela | static const int depths[8] = { 1, 2, 4, 8, 15, 16, 0 }; |
344 | 0add30cf | aurel32 | s->depth = depths[(s->ctla & 0x00700000) >> 20]; |
345 | 0add30cf | aurel32 | } |
346 | 1fc3d392 | aurel32 | |
347 | 0add30cf | aurel32 | static void g364_invalidate_cursor_position(G364State *s) |
348 | 0add30cf | aurel32 | { |
349 | c78f7137 | Gerd Hoffmann | DisplaySurface *surface = qemu_console_surface(s->con); |
350 | fd4aa979 | Blue Swirl | int ymin, ymax, start, end;
|
351 | 1fc3d392 | aurel32 | |
352 | 0add30cf | aurel32 | /* invalidate only near the cursor */
|
353 | 0add30cf | aurel32 | ymin = s->cursor_position & 0xfff;
|
354 | 0add30cf | aurel32 | ymax = MIN(s->height, ymin + 64);
|
355 | c78f7137 | Gerd Hoffmann | start = ymin * surface_stride(surface); |
356 | c78f7137 | Gerd Hoffmann | end = (ymax + 1) * surface_stride(surface);
|
357 | 1fc3d392 | aurel32 | |
358 | fd4aa979 | Blue Swirl | memory_region_set_dirty(&s->mem_vram, start, end - start); |
359 | 0add30cf | aurel32 | } |
360 | 0add30cf | aurel32 | |
361 | 97a3f6ff | Hervé Poussineau | static void g364fb_ctrl_write(void *opaque, |
362 | a8170e5e | Avi Kivity | hwaddr addr, |
363 | 97a3f6ff | Hervé Poussineau | uint64_t val, |
364 | 97a3f6ff | Hervé Poussineau | unsigned int size) |
365 | 0add30cf | aurel32 | { |
366 | 0add30cf | aurel32 | G364State *s = opaque; |
367 | 0add30cf | aurel32 | |
368 | b213b370 | Hervé Poussineau | trace_g364fb_write(addr, val); |
369 | 0add30cf | aurel32 | |
370 | 0add30cf | aurel32 | if (addr >= REG_CLR_PAL && addr < REG_CLR_PAL + 0x800) { |
371 | 1fc3d392 | aurel32 | /* color palette */
|
372 | 0add30cf | aurel32 | int idx = (addr - REG_CLR_PAL) >> 3; |
373 | 0add30cf | aurel32 | s->color_palette[idx][0] = (val >> 16) & 0xff; |
374 | 0add30cf | aurel32 | s->color_palette[idx][1] = (val >> 8) & 0xff; |
375 | 0add30cf | aurel32 | s->color_palette[idx][2] = val & 0xff; |
376 | 0add30cf | aurel32 | g364fb_invalidate_display(s); |
377 | 0add30cf | aurel32 | } else if (addr >= REG_CURS_PAT && addr < REG_CURS_PAT + 0x1000) { |
378 | 0add30cf | aurel32 | /* cursor pattern */
|
379 | 0add30cf | aurel32 | int idx = (addr - REG_CURS_PAT) >> 3; |
380 | 0add30cf | aurel32 | s->cursor[idx] = val; |
381 | 0add30cf | aurel32 | g364fb_invalidate_display(s); |
382 | 0add30cf | aurel32 | } else if (addr >= REG_CURS_PAL && addr < REG_CURS_PAL + 0x18) { |
383 | 0add30cf | aurel32 | /* cursor palette */
|
384 | 0add30cf | aurel32 | int idx = (addr - REG_CURS_PAL) >> 3; |
385 | 0add30cf | aurel32 | s->cursor_palette[idx][0] = (val >> 16) & 0xff; |
386 | 0add30cf | aurel32 | s->cursor_palette[idx][1] = (val >> 8) & 0xff; |
387 | 0add30cf | aurel32 | s->cursor_palette[idx][2] = val & 0xff; |
388 | 0add30cf | aurel32 | g364fb_invalidate_display(s); |
389 | 1fc3d392 | aurel32 | } else {
|
390 | 1fc3d392 | aurel32 | switch (addr) {
|
391 | 97a3f6ff | Hervé Poussineau | case REG_BOOT: /* Boot timing */ |
392 | 97a3f6ff | Hervé Poussineau | case 0x00108: /* Line timing: half sync */ |
393 | 97a3f6ff | Hervé Poussineau | case 0x00110: /* Line timing: back porch */ |
394 | 97a3f6ff | Hervé Poussineau | case 0x00120: /* Line timing: short display */ |
395 | 97a3f6ff | Hervé Poussineau | case 0x00128: /* Frame timing: broad pulse */ |
396 | 97a3f6ff | Hervé Poussineau | case 0x00130: /* Frame timing: v sync */ |
397 | 97a3f6ff | Hervé Poussineau | case 0x00138: /* Frame timing: v preequalise */ |
398 | 97a3f6ff | Hervé Poussineau | case 0x00140: /* Frame timing: v postequalise */ |
399 | 97a3f6ff | Hervé Poussineau | case 0x00148: /* Frame timing: v blank */ |
400 | 97a3f6ff | Hervé Poussineau | case 0x00158: /* Line timing: line time */ |
401 | 97a3f6ff | Hervé Poussineau | case 0x00160: /* Frame store: line start */ |
402 | 97a3f6ff | Hervé Poussineau | case 0x00168: /* vram cycle: mem init */ |
403 | 97a3f6ff | Hervé Poussineau | case 0x00170: /* vram cycle: transfer delay */ |
404 | 97a3f6ff | Hervé Poussineau | case 0x00200: /* vram cycle: mask register */ |
405 | 97a3f6ff | Hervé Poussineau | /* ignore */
|
406 | 97a3f6ff | Hervé Poussineau | break;
|
407 | 97a3f6ff | Hervé Poussineau | case REG_TOP:
|
408 | 97a3f6ff | Hervé Poussineau | s->top_of_screen = val; |
409 | 97a3f6ff | Hervé Poussineau | g364fb_invalidate_display(s); |
410 | 97a3f6ff | Hervé Poussineau | break;
|
411 | 97a3f6ff | Hervé Poussineau | case REG_DISPLAY:
|
412 | 97a3f6ff | Hervé Poussineau | s->width = val * 4;
|
413 | 97a3f6ff | Hervé Poussineau | break;
|
414 | 97a3f6ff | Hervé Poussineau | case REG_VDISPLAY:
|
415 | 97a3f6ff | Hervé Poussineau | s->height = val / 2;
|
416 | 97a3f6ff | Hervé Poussineau | break;
|
417 | 97a3f6ff | Hervé Poussineau | case REG_CTLA:
|
418 | 97a3f6ff | Hervé Poussineau | s->ctla = val; |
419 | 97a3f6ff | Hervé Poussineau | g364fb_update_depth(s); |
420 | 97a3f6ff | Hervé Poussineau | g364fb_invalidate_display(s); |
421 | 97a3f6ff | Hervé Poussineau | break;
|
422 | 97a3f6ff | Hervé Poussineau | case REG_CURS_POS:
|
423 | 97a3f6ff | Hervé Poussineau | g364_invalidate_cursor_position(s); |
424 | 97a3f6ff | Hervé Poussineau | s->cursor_position = val; |
425 | 97a3f6ff | Hervé Poussineau | g364_invalidate_cursor_position(s); |
426 | 97a3f6ff | Hervé Poussineau | break;
|
427 | 97a3f6ff | Hervé Poussineau | case REG_RESET:
|
428 | 97a3f6ff | Hervé Poussineau | g364fb_reset(s); |
429 | 97a3f6ff | Hervé Poussineau | break;
|
430 | 97a3f6ff | Hervé Poussineau | default:
|
431 | 97a3f6ff | Hervé Poussineau | error_report("g364: invalid write of 0x%" PRIx64
|
432 | 97a3f6ff | Hervé Poussineau | " at [" TARGET_FMT_plx "]", val, addr); |
433 | 97a3f6ff | Hervé Poussineau | break;
|
434 | 1fc3d392 | aurel32 | } |
435 | 1fc3d392 | aurel32 | } |
436 | 0add30cf | aurel32 | qemu_irq_lower(s->irq); |
437 | 1fc3d392 | aurel32 | } |
438 | 1fc3d392 | aurel32 | |
439 | 97a3f6ff | Hervé Poussineau | static const MemoryRegionOps g364fb_ctrl_ops = { |
440 | 97a3f6ff | Hervé Poussineau | .read = g364fb_ctrl_read, |
441 | 97a3f6ff | Hervé Poussineau | .write = g364fb_ctrl_write, |
442 | 97a3f6ff | Hervé Poussineau | .endianness = DEVICE_LITTLE_ENDIAN, |
443 | 97a3f6ff | Hervé Poussineau | .impl.min_access_size = 4,
|
444 | 97a3f6ff | Hervé Poussineau | .impl.max_access_size = 4,
|
445 | 1fc3d392 | aurel32 | }; |
446 | 1fc3d392 | aurel32 | |
447 | 97a3f6ff | Hervé Poussineau | static int g364fb_post_load(void *opaque, int version_id) |
448 | 1fc3d392 | aurel32 | { |
449 | 1fc3d392 | aurel32 | G364State *s = opaque; |
450 | 0add30cf | aurel32 | |
451 | 0add30cf | aurel32 | /* force refresh */
|
452 | 0add30cf | aurel32 | g364fb_update_depth(s); |
453 | 0add30cf | aurel32 | g364fb_invalidate_display(s); |
454 | 1fc3d392 | aurel32 | |
455 | 0add30cf | aurel32 | return 0; |
456 | 1fc3d392 | aurel32 | } |
457 | 1fc3d392 | aurel32 | |
458 | 97a3f6ff | Hervé Poussineau | static const VMStateDescription vmstate_g364fb = { |
459 | 97a3f6ff | Hervé Poussineau | .name = "g364fb",
|
460 | 97a3f6ff | Hervé Poussineau | .version_id = 1,
|
461 | 97a3f6ff | Hervé Poussineau | .minimum_version_id = 1,
|
462 | 97a3f6ff | Hervé Poussineau | .minimum_version_id_old = 1,
|
463 | 97a3f6ff | Hervé Poussineau | .post_load = g364fb_post_load, |
464 | 97a3f6ff | Hervé Poussineau | .fields = (VMStateField[]) { |
465 | 97a3f6ff | Hervé Poussineau | VMSTATE_VBUFFER_UINT32(vram, G364State, 1, NULL, 0, vram_size), |
466 | 97a3f6ff | Hervé Poussineau | VMSTATE_BUFFER_UNSAFE(color_palette, G364State, 0, 256 * 3), |
467 | 97a3f6ff | Hervé Poussineau | VMSTATE_BUFFER_UNSAFE(cursor_palette, G364State, 0, 9), |
468 | 97a3f6ff | Hervé Poussineau | VMSTATE_UINT16_ARRAY(cursor, G364State, 512),
|
469 | 97a3f6ff | Hervé Poussineau | VMSTATE_UINT32(cursor_position, G364State), |
470 | 97a3f6ff | Hervé Poussineau | VMSTATE_UINT32(ctla, G364State), |
471 | 97a3f6ff | Hervé Poussineau | VMSTATE_UINT32(top_of_screen, G364State), |
472 | 97a3f6ff | Hervé Poussineau | VMSTATE_UINT32(width, G364State), |
473 | 97a3f6ff | Hervé Poussineau | VMSTATE_UINT32(height, G364State), |
474 | 97a3f6ff | Hervé Poussineau | VMSTATE_END_OF_LIST() |
475 | 97a3f6ff | Hervé Poussineau | } |
476 | 97a3f6ff | Hervé Poussineau | }; |
477 | 1fc3d392 | aurel32 | |
478 | 380cd056 | Gerd Hoffmann | static const GraphicHwOps g364fb_ops = { |
479 | 380cd056 | Gerd Hoffmann | .invalidate = g364fb_invalidate_display, |
480 | 380cd056 | Gerd Hoffmann | .gfx_update = g364fb_update_display, |
481 | 380cd056 | Gerd Hoffmann | }; |
482 | 380cd056 | Gerd Hoffmann | |
483 | 97a3f6ff | Hervé Poussineau | static void g364fb_init(DeviceState *dev, G364State *s) |
484 | 1fc3d392 | aurel32 | { |
485 | 97a3f6ff | Hervé Poussineau | s->vram = g_malloc0(s->vram_size); |
486 | 1fc3d392 | aurel32 | |
487 | aa2beaa1 | Gerd Hoffmann | s->con = graphic_console_init(dev, &g364fb_ops, s); |
488 | 1fc3d392 | aurel32 | |
489 | 2c9b15ca | Paolo Bonzini | memory_region_init_io(&s->mem_ctrl, NULL, &g364fb_ctrl_ops, s, "ctrl", 0x180000); |
490 | 2c9b15ca | Paolo Bonzini | memory_region_init_ram_ptr(&s->mem_vram, NULL, "vram", |
491 | 97a3f6ff | Hervé Poussineau | s->vram_size, s->vram); |
492 | c5705a77 | Avi Kivity | vmstate_register_ram(&s->mem_vram, dev); |
493 | 97a3f6ff | Hervé Poussineau | memory_region_set_coalescing(&s->mem_vram); |
494 | 97a3f6ff | Hervé Poussineau | } |
495 | 97a3f6ff | Hervé Poussineau | |
496 | 97a3f6ff | Hervé Poussineau | typedef struct { |
497 | 97a3f6ff | Hervé Poussineau | SysBusDevice busdev; |
498 | 97a3f6ff | Hervé Poussineau | G364State g364; |
499 | 97a3f6ff | Hervé Poussineau | } G364SysBusState; |
500 | 1fc3d392 | aurel32 | |
501 | 97a3f6ff | Hervé Poussineau | static int g364fb_sysbus_init(SysBusDevice *dev) |
502 | 97a3f6ff | Hervé Poussineau | { |
503 | 97a3f6ff | Hervé Poussineau | G364State *s = &FROM_SYSBUS(G364SysBusState, dev)->g364; |
504 | 97a3f6ff | Hervé Poussineau | |
505 | 97a3f6ff | Hervé Poussineau | g364fb_init(&dev->qdev, s); |
506 | 97a3f6ff | Hervé Poussineau | sysbus_init_irq(dev, &s->irq); |
507 | 750ecd44 | Avi Kivity | sysbus_init_mmio(dev, &s->mem_ctrl); |
508 | 750ecd44 | Avi Kivity | sysbus_init_mmio(dev, &s->mem_vram); |
509 | 1fc3d392 | aurel32 | |
510 | 1fc3d392 | aurel32 | return 0; |
511 | 1fc3d392 | aurel32 | } |
512 | 97a3f6ff | Hervé Poussineau | |
513 | 97a3f6ff | Hervé Poussineau | static void g364fb_sysbus_reset(DeviceState *d) |
514 | 97a3f6ff | Hervé Poussineau | { |
515 | 97a3f6ff | Hervé Poussineau | G364SysBusState *s = DO_UPCAST(G364SysBusState, busdev.qdev, d); |
516 | 97a3f6ff | Hervé Poussineau | g364fb_reset(&s->g364); |
517 | 97a3f6ff | Hervé Poussineau | } |
518 | 97a3f6ff | Hervé Poussineau | |
519 | 999e12bb | Anthony Liguori | static Property g364fb_sysbus_properties[] = {
|
520 | 999e12bb | Anthony Liguori | DEFINE_PROP_HEX32("vram_size", G364SysBusState, g364.vram_size,
|
521 | 999e12bb | Anthony Liguori | 8 * 1024 * 1024), |
522 | 999e12bb | Anthony Liguori | DEFINE_PROP_END_OF_LIST(), |
523 | 999e12bb | Anthony Liguori | }; |
524 | 999e12bb | Anthony Liguori | |
525 | 999e12bb | Anthony Liguori | static void g364fb_sysbus_class_init(ObjectClass *klass, void *data) |
526 | 999e12bb | Anthony Liguori | { |
527 | 39bffca2 | Anthony Liguori | DeviceClass *dc = DEVICE_CLASS(klass); |
528 | 999e12bb | Anthony Liguori | SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); |
529 | 999e12bb | Anthony Liguori | |
530 | 999e12bb | Anthony Liguori | k->init = g364fb_sysbus_init; |
531 | 39bffca2 | Anthony Liguori | dc->desc = "G364 framebuffer";
|
532 | 39bffca2 | Anthony Liguori | dc->reset = g364fb_sysbus_reset; |
533 | 39bffca2 | Anthony Liguori | dc->vmsd = &vmstate_g364fb; |
534 | 39bffca2 | Anthony Liguori | dc->props = g364fb_sysbus_properties; |
535 | 999e12bb | Anthony Liguori | } |
536 | 999e12bb | Anthony Liguori | |
537 | 8c43a6f0 | Andreas Färber | static const TypeInfo g364fb_sysbus_info = { |
538 | 39bffca2 | Anthony Liguori | .name = "sysbus-g364",
|
539 | 39bffca2 | Anthony Liguori | .parent = TYPE_SYS_BUS_DEVICE, |
540 | 39bffca2 | Anthony Liguori | .instance_size = sizeof(G364SysBusState),
|
541 | 39bffca2 | Anthony Liguori | .class_init = g364fb_sysbus_class_init, |
542 | 97a3f6ff | Hervé Poussineau | }; |
543 | 97a3f6ff | Hervé Poussineau | |
544 | 83f7d43a | Andreas Färber | static void g364fb_register_types(void) |
545 | 97a3f6ff | Hervé Poussineau | { |
546 | 39bffca2 | Anthony Liguori | type_register_static(&g364fb_sysbus_info); |
547 | 97a3f6ff | Hervé Poussineau | } |
548 | 97a3f6ff | Hervé Poussineau | |
549 | 83f7d43a | Andreas Färber | type_init(g364fb_register_types) |