]>
Commit | Line | Data |
---|---|---|
1fc3d392 AJ |
1 | /* |
2 | * QEMU G364 framebuffer Emulator. | |
3 | * | |
97a3f6ff | 4 | * Copyright (c) 2007-2011 Herve Poussineau |
1fc3d392 AJ |
5 | * |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License as | |
8 | * published by the Free Software Foundation; either version 2 of | |
9 | * the License, or (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
fad6cb1a | 16 | * You should have received a copy of the GNU General Public License along |
8167ee88 | 17 | * with this program; if not, see <http://www.gnu.org/licenses/>. |
1fc3d392 AJ |
18 | */ |
19 | ||
47df5154 | 20 | #include "qemu/osdep.h" |
f0353b0d | 21 | #include "qemu/units.h" |
83c9f4ca | 22 | #include "hw/hw.h" |
64552b6b | 23 | #include "hw/irq.h" |
a27bd6c7 | 24 | #include "hw/qdev-properties.h" |
d5bfbaca | 25 | #include "qapi/error.h" |
d49b6836 | 26 | #include "qemu/error-report.h" |
0b8fa32f | 27 | #include "qemu/module.h" |
28ecbaee PB |
28 | #include "ui/console.h" |
29 | #include "ui/pixel_ops.h" | |
b213b370 | 30 | #include "trace.h" |
83c9f4ca | 31 | #include "hw/sysbus.h" |
d6454270 | 32 | #include "migration/vmstate.h" |
db1015e9 | 33 | #include "qom/object.h" |
0add30cf | 34 | |
1fc3d392 | 35 | typedef struct G364State { |
0add30cf | 36 | /* hardware */ |
97a3f6ff | 37 | uint32_t vram_size; |
0add30cf | 38 | qemu_irq irq; |
97a3f6ff HP |
39 | MemoryRegion mem_vram; |
40 | MemoryRegion mem_ctrl; | |
0add30cf AJ |
41 | /* registers */ |
42 | uint8_t color_palette[256][3]; | |
43 | uint8_t cursor_palette[3][3]; | |
44 | uint16_t cursor[512]; | |
45 | uint32_t cursor_position; | |
1fc3d392 | 46 | uint32_t ctla; |
0add30cf AJ |
47 | uint32_t top_of_screen; |
48 | uint32_t width, height; /* in pixels */ | |
1fc3d392 | 49 | /* display refresh support */ |
c78f7137 | 50 | QemuConsole *con; |
0add30cf AJ |
51 | int depth; |
52 | int blanked; | |
1fc3d392 AJ |
53 | } G364State; |
54 | ||
97a3f6ff HP |
55 | #define REG_BOOT 0x000000 |
56 | #define REG_DISPLAY 0x000118 | |
57 | #define REG_VDISPLAY 0x000150 | |
58 | #define REG_CTLA 0x000300 | |
59 | #define REG_TOP 0x000400 | |
60 | #define REG_CURS_PAL 0x000508 | |
61 | #define REG_CURS_POS 0x000638 | |
62 | #define REG_CLR_PAL 0x000800 | |
63 | #define REG_CURS_PAT 0x001000 | |
64 | #define REG_RESET 0x100000 | |
0add30cf AJ |
65 | |
66 | #define CTLA_FORCE_BLANK 0x00000400 | |
67 | #define CTLA_NO_CURSOR 0x00800000 | |
68 | ||
1213406b BS |
69 | #define G364_PAGE_SIZE 4096 |
70 | ||
f7189ac8 | 71 | static inline int check_dirty(G364State *s, DirtyBitmapSnapshot *snap, ram_addr_t page) |
0add30cf | 72 | { |
f7189ac8 | 73 | return memory_region_snapshot_get_dirty(&s->mem_vram, snap, page, G364_PAGE_SIZE); |
0add30cf AJ |
74 | } |
75 | ||
76 | static void g364fb_draw_graphic8(G364State *s) | |
1fc3d392 | 77 | { |
c78f7137 | 78 | DisplaySurface *surface = qemu_console_surface(s->con); |
f7189ac8 | 79 | DirtyBitmapSnapshot *snap; |
0add30cf AJ |
80 | int i, w; |
81 | uint8_t *vram; | |
82 | uint8_t *data_display, *dd; | |
7fcf0c24 | 83 | ram_addr_t page; |
0add30cf AJ |
84 | int x, y; |
85 | int xmin, xmax; | |
86 | int ymin, ymax; | |
87 | int xcursor, ycursor; | |
88 | unsigned int (*rgb_to_pixel)(unsigned int r, unsigned int g, unsigned int b); | |
89 | ||
c78f7137 | 90 | switch (surface_bits_per_pixel(surface)) { |
1fc3d392 | 91 | case 8: |
0add30cf AJ |
92 | rgb_to_pixel = rgb_to_pixel8; |
93 | w = 1; | |
1fc3d392 AJ |
94 | break; |
95 | case 15: | |
0add30cf AJ |
96 | rgb_to_pixel = rgb_to_pixel15; |
97 | w = 2; | |
1fc3d392 AJ |
98 | break; |
99 | case 16: | |
0add30cf AJ |
100 | rgb_to_pixel = rgb_to_pixel16; |
101 | w = 2; | |
1fc3d392 AJ |
102 | break; |
103 | case 32: | |
0add30cf AJ |
104 | rgb_to_pixel = rgb_to_pixel32; |
105 | w = 4; | |
1fc3d392 AJ |
106 | break; |
107 | default: | |
b213b370 | 108 | hw_error("g364: unknown host depth %d", |
c78f7137 | 109 | surface_bits_per_pixel(surface)); |
1fc3d392 AJ |
110 | return; |
111 | } | |
112 | ||
97a3f6ff | 113 | page = 0; |
0add30cf AJ |
114 | |
115 | x = y = 0; | |
116 | xmin = s->width; | |
117 | xmax = 0; | |
118 | ymin = s->height; | |
119 | ymax = 0; | |
120 | ||
121 | if (!(s->ctla & CTLA_NO_CURSOR)) { | |
122 | xcursor = s->cursor_position >> 12; | |
123 | ycursor = s->cursor_position & 0xfff; | |
124 | } else { | |
125 | xcursor = ycursor = -65; | |
126 | } | |
127 | ||
d5bfbaca | 128 | vram = memory_region_get_ram_ptr(&s->mem_vram) + s->top_of_screen; |
0add30cf | 129 | /* XXX: out of range in vram? */ |
c78f7137 | 130 | data_display = dd = surface_data(surface); |
f7189ac8 PB |
131 | snap = memory_region_snapshot_and_clear_dirty(&s->mem_vram, 0, s->vram_size, |
132 | DIRTY_MEMORY_VGA); | |
0add30cf | 133 | while (y < s->height) { |
f7189ac8 | 134 | if (check_dirty(s, snap, page)) { |
0add30cf AJ |
135 | if (y < ymin) |
136 | ymin = ymax = y; | |
0add30cf AJ |
137 | if (x < xmin) |
138 | xmin = x; | |
1213406b | 139 | for (i = 0; i < G364_PAGE_SIZE; i++) { |
0add30cf AJ |
140 | uint8_t index; |
141 | unsigned int color; | |
142 | if (unlikely((y >= ycursor && y < ycursor + 64) && | |
143 | (x >= xcursor && x < xcursor + 64))) { | |
144 | /* pointer area */ | |
145 | int xdiff = x - xcursor; | |
146 | uint16_t curs = s->cursor[(y - ycursor) * 8 + xdiff / 8]; | |
147 | int op = (curs >> ((xdiff & 7) * 2)) & 3; | |
148 | if (likely(op == 0)) { | |
149 | /* transparent */ | |
150 | index = *vram; | |
151 | color = (*rgb_to_pixel)( | |
152 | s->color_palette[index][0], | |
153 | s->color_palette[index][1], | |
154 | s->color_palette[index][2]); | |
155 | } else { | |
156 | /* get cursor color */ | |
157 | index = op - 1; | |
158 | color = (*rgb_to_pixel)( | |
159 | s->cursor_palette[index][0], | |
160 | s->cursor_palette[index][1], | |
161 | s->cursor_palette[index][2]); | |
162 | } | |
163 | } else { | |
164 | /* normal area */ | |
165 | index = *vram; | |
166 | color = (*rgb_to_pixel)( | |
167 | s->color_palette[index][0], | |
168 | s->color_palette[index][1], | |
169 | s->color_palette[index][2]); | |
170 | } | |
171 | memcpy(dd, &color, w); | |
172 | dd += w; | |
173 | x++; | |
174 | vram++; | |
175 | if (x == s->width) { | |
176 | xmax = s->width - 1; | |
177 | y++; | |
178 | if (y == s->height) { | |
179 | ymax = s->height - 1; | |
180 | goto done; | |
181 | } | |
c78f7137 | 182 | data_display = dd = data_display + surface_stride(surface); |
0add30cf AJ |
183 | xmin = 0; |
184 | x = 0; | |
185 | } | |
186 | } | |
187 | if (x > xmax) | |
188 | xmax = x; | |
189 | if (y > ymax) | |
190 | ymax = y; | |
191 | } else { | |
192 | int dy; | |
7fcf0c24 | 193 | if (xmax || ymax) { |
c78f7137 | 194 | dpy_gfx_update(s->con, xmin, ymin, |
a93a4a22 | 195 | xmax - xmin + 1, ymax - ymin + 1); |
0add30cf AJ |
196 | xmin = s->width; |
197 | xmax = 0; | |
198 | ymin = s->height; | |
199 | ymax = 0; | |
200 | } | |
1213406b | 201 | x += G364_PAGE_SIZE; |
0add30cf AJ |
202 | dy = x / s->width; |
203 | x = x % s->width; | |
204 | y += dy; | |
1213406b | 205 | vram += G364_PAGE_SIZE; |
c78f7137 | 206 | data_display += dy * surface_stride(surface); |
0add30cf AJ |
207 | dd = data_display + x * w; |
208 | } | |
1213406b | 209 | page += G364_PAGE_SIZE; |
0add30cf AJ |
210 | } |
211 | ||
212 | done: | |
7fcf0c24 | 213 | if (xmax || ymax) { |
c78f7137 | 214 | dpy_gfx_update(s->con, xmin, ymin, xmax - xmin + 1, ymax - ymin + 1); |
0add30cf | 215 | } |
723250d6 | 216 | g_free(snap); |
1fc3d392 AJ |
217 | } |
218 | ||
0add30cf | 219 | static void g364fb_draw_blank(G364State *s) |
1fc3d392 | 220 | { |
c78f7137 | 221 | DisplaySurface *surface = qemu_console_surface(s->con); |
1fc3d392 AJ |
222 | int i, w; |
223 | uint8_t *d; | |
224 | ||
0add30cf AJ |
225 | if (s->blanked) { |
226 | /* Screen is already blank. No need to redraw it */ | |
1fc3d392 | 227 | return; |
0add30cf | 228 | } |
1fc3d392 | 229 | |
c78f7137 GH |
230 | w = s->width * surface_bytes_per_pixel(surface); |
231 | d = surface_data(surface); | |
0add30cf | 232 | for (i = 0; i < s->height; i++) { |
1fc3d392 | 233 | memset(d, 0, w); |
c78f7137 | 234 | d += surface_stride(surface); |
1fc3d392 | 235 | } |
221bb2d5 | 236 | |
91155f8b | 237 | dpy_gfx_update_full(s->con); |
0add30cf | 238 | s->blanked = 1; |
1fc3d392 AJ |
239 | } |
240 | ||
1fc3d392 AJ |
241 | static void g364fb_update_display(void *opaque) |
242 | { | |
243 | G364State *s = opaque; | |
c78f7137 | 244 | DisplaySurface *surface = qemu_console_surface(s->con); |
1fc3d392 | 245 | |
e9a07334 JK |
246 | qemu_flush_coalesced_mmio_buffer(); |
247 | ||
0add30cf | 248 | if (s->width == 0 || s->height == 0) |
221bb2d5 AJ |
249 | return; |
250 | ||
c78f7137 GH |
251 | if (s->width != surface_width(surface) || |
252 | s->height != surface_height(surface)) { | |
253 | qemu_console_resize(s->con, s->width, s->height); | |
221bb2d5 | 254 | } |
0add30cf AJ |
255 | |
256 | if (s->ctla & CTLA_FORCE_BLANK) { | |
257 | g364fb_draw_blank(s); | |
258 | } else if (s->depth == 8) { | |
259 | g364fb_draw_graphic8(s); | |
260 | } else { | |
b213b370 | 261 | error_report("g364: unknown guest depth %d", s->depth); |
1fc3d392 | 262 | } |
0add30cf AJ |
263 | |
264 | qemu_irq_raise(s->irq); | |
1fc3d392 AJ |
265 | } |
266 | ||
86178a57 | 267 | static inline void g364fb_invalidate_display(void *opaque) |
1fc3d392 AJ |
268 | { |
269 | G364State *s = opaque; | |
0add30cf AJ |
270 | |
271 | s->blanked = 0; | |
fd4aa979 | 272 | memory_region_set_dirty(&s->mem_vram, 0, s->vram_size); |
1fc3d392 AJ |
273 | } |
274 | ||
97a3f6ff | 275 | static void g364fb_reset(G364State *s) |
1fc3d392 | 276 | { |
d5bfbaca MCA |
277 | uint8_t *vram = memory_region_get_ram_ptr(&s->mem_vram); |
278 | ||
0add30cf AJ |
279 | qemu_irq_lower(s->irq); |
280 | ||
281 | memset(s->color_palette, 0, sizeof(s->color_palette)); | |
282 | memset(s->cursor_palette, 0, sizeof(s->cursor_palette)); | |
283 | memset(s->cursor, 0, sizeof(s->cursor)); | |
284 | s->cursor_position = 0; | |
285 | s->ctla = 0; | |
286 | s->top_of_screen = 0; | |
287 | s->width = s->height = 0; | |
d5bfbaca | 288 | memset(vram, 0, s->vram_size); |
97a3f6ff | 289 | g364fb_invalidate_display(s); |
1fc3d392 AJ |
290 | } |
291 | ||
1fc3d392 | 292 | /* called for accesses to io ports */ |
97a3f6ff | 293 | static uint64_t g364fb_ctrl_read(void *opaque, |
a8170e5e | 294 | hwaddr addr, |
97a3f6ff | 295 | unsigned int size) |
1fc3d392 | 296 | { |
0add30cf | 297 | G364State *s = opaque; |
1fc3d392 AJ |
298 | uint32_t val; |
299 | ||
0add30cf AJ |
300 | if (addr >= REG_CURS_PAT && addr < REG_CURS_PAT + 0x1000) { |
301 | /* cursor pattern */ | |
302 | int idx = (addr - REG_CURS_PAT) >> 3; | |
303 | val = s->cursor[idx]; | |
304 | } else if (addr >= REG_CURS_PAL && addr < REG_CURS_PAL + 0x18) { | |
305 | /* cursor palette */ | |
306 | int idx = (addr - REG_CURS_PAL) >> 3; | |
307 | val = ((uint32_t)s->cursor_palette[idx][0] << 16); | |
308 | val |= ((uint32_t)s->cursor_palette[idx][1] << 8); | |
309 | val |= ((uint32_t)s->cursor_palette[idx][2] << 0); | |
310 | } else { | |
311 | switch (addr) { | |
0add30cf AJ |
312 | case REG_DISPLAY: |
313 | val = s->width / 4; | |
314 | break; | |
315 | case REG_VDISPLAY: | |
316 | val = s->height * 2; | |
317 | break; | |
318 | case REG_CTLA: | |
319 | val = s->ctla; | |
320 | break; | |
321 | default: | |
322 | { | |
883f2c59 | 323 | error_report("g364: invalid read at [" HWADDR_FMT_plx "]", |
b213b370 | 324 | addr); |
0add30cf AJ |
325 | val = 0; |
326 | break; | |
327 | } | |
328 | } | |
1fc3d392 AJ |
329 | } |
330 | ||
b213b370 | 331 | trace_g364fb_read(addr, val); |
1fc3d392 AJ |
332 | |
333 | return val; | |
334 | } | |
335 | ||
0add30cf | 336 | static void g364fb_update_depth(G364State *s) |
1fc3d392 | 337 | { |
38972938 | 338 | static const int depths[8] = { 1, 2, 4, 8, 15, 16, 0 }; |
0add30cf AJ |
339 | s->depth = depths[(s->ctla & 0x00700000) >> 20]; |
340 | } | |
1fc3d392 | 341 | |
0add30cf AJ |
342 | static void g364_invalidate_cursor_position(G364State *s) |
343 | { | |
c78f7137 | 344 | DisplaySurface *surface = qemu_console_surface(s->con); |
fd4aa979 | 345 | int ymin, ymax, start, end; |
1fc3d392 | 346 | |
0add30cf AJ |
347 | /* invalidate only near the cursor */ |
348 | ymin = s->cursor_position & 0xfff; | |
349 | ymax = MIN(s->height, ymin + 64); | |
c78f7137 GH |
350 | start = ymin * surface_stride(surface); |
351 | end = (ymax + 1) * surface_stride(surface); | |
1fc3d392 | 352 | |
fd4aa979 | 353 | memory_region_set_dirty(&s->mem_vram, start, end - start); |
0add30cf AJ |
354 | } |
355 | ||
97a3f6ff | 356 | static void g364fb_ctrl_write(void *opaque, |
a8170e5e | 357 | hwaddr addr, |
97a3f6ff HP |
358 | uint64_t val, |
359 | unsigned int size) | |
0add30cf AJ |
360 | { |
361 | G364State *s = opaque; | |
362 | ||
b213b370 | 363 | trace_g364fb_write(addr, val); |
0add30cf AJ |
364 | |
365 | if (addr >= REG_CLR_PAL && addr < REG_CLR_PAL + 0x800) { | |
1fc3d392 | 366 | /* color palette */ |
0add30cf AJ |
367 | int idx = (addr - REG_CLR_PAL) >> 3; |
368 | s->color_palette[idx][0] = (val >> 16) & 0xff; | |
369 | s->color_palette[idx][1] = (val >> 8) & 0xff; | |
370 | s->color_palette[idx][2] = val & 0xff; | |
371 | g364fb_invalidate_display(s); | |
372 | } else if (addr >= REG_CURS_PAT && addr < REG_CURS_PAT + 0x1000) { | |
373 | /* cursor pattern */ | |
374 | int idx = (addr - REG_CURS_PAT) >> 3; | |
375 | s->cursor[idx] = val; | |
376 | g364fb_invalidate_display(s); | |
377 | } else if (addr >= REG_CURS_PAL && addr < REG_CURS_PAL + 0x18) { | |
378 | /* cursor palette */ | |
379 | int idx = (addr - REG_CURS_PAL) >> 3; | |
380 | s->cursor_palette[idx][0] = (val >> 16) & 0xff; | |
381 | s->cursor_palette[idx][1] = (val >> 8) & 0xff; | |
382 | s->cursor_palette[idx][2] = val & 0xff; | |
383 | g364fb_invalidate_display(s); | |
1fc3d392 AJ |
384 | } else { |
385 | switch (addr) { | |
97a3f6ff HP |
386 | case REG_BOOT: /* Boot timing */ |
387 | case 0x00108: /* Line timing: half sync */ | |
388 | case 0x00110: /* Line timing: back porch */ | |
389 | case 0x00120: /* Line timing: short display */ | |
390 | case 0x00128: /* Frame timing: broad pulse */ | |
391 | case 0x00130: /* Frame timing: v sync */ | |
392 | case 0x00138: /* Frame timing: v preequalise */ | |
393 | case 0x00140: /* Frame timing: v postequalise */ | |
394 | case 0x00148: /* Frame timing: v blank */ | |
395 | case 0x00158: /* Line timing: line time */ | |
396 | case 0x00160: /* Frame store: line start */ | |
397 | case 0x00168: /* vram cycle: mem init */ | |
398 | case 0x00170: /* vram cycle: transfer delay */ | |
399 | case 0x00200: /* vram cycle: mask register */ | |
400 | /* ignore */ | |
401 | break; | |
402 | case REG_TOP: | |
403 | s->top_of_screen = val; | |
404 | g364fb_invalidate_display(s); | |
405 | break; | |
406 | case REG_DISPLAY: | |
407 | s->width = val * 4; | |
408 | break; | |
409 | case REG_VDISPLAY: | |
410 | s->height = val / 2; | |
411 | break; | |
412 | case REG_CTLA: | |
413 | s->ctla = val; | |
414 | g364fb_update_depth(s); | |
415 | g364fb_invalidate_display(s); | |
416 | break; | |
417 | case REG_CURS_POS: | |
418 | g364_invalidate_cursor_position(s); | |
419 | s->cursor_position = val; | |
420 | g364_invalidate_cursor_position(s); | |
421 | break; | |
422 | case REG_RESET: | |
423 | g364fb_reset(s); | |
424 | break; | |
425 | default: | |
426 | error_report("g364: invalid write of 0x%" PRIx64 | |
883f2c59 | 427 | " at [" HWADDR_FMT_plx "]", val, addr); |
97a3f6ff | 428 | break; |
1fc3d392 AJ |
429 | } |
430 | } | |
0add30cf | 431 | qemu_irq_lower(s->irq); |
1fc3d392 AJ |
432 | } |
433 | ||
97a3f6ff HP |
434 | static const MemoryRegionOps g364fb_ctrl_ops = { |
435 | .read = g364fb_ctrl_read, | |
436 | .write = g364fb_ctrl_write, | |
437 | .endianness = DEVICE_LITTLE_ENDIAN, | |
438 | .impl.min_access_size = 4, | |
439 | .impl.max_access_size = 4, | |
1fc3d392 AJ |
440 | }; |
441 | ||
97a3f6ff | 442 | static int g364fb_post_load(void *opaque, int version_id) |
1fc3d392 AJ |
443 | { |
444 | G364State *s = opaque; | |
0add30cf AJ |
445 | |
446 | /* force refresh */ | |
447 | g364fb_update_depth(s); | |
448 | g364fb_invalidate_display(s); | |
1fc3d392 | 449 | |
0add30cf | 450 | return 0; |
1fc3d392 AJ |
451 | } |
452 | ||
97a3f6ff HP |
453 | static const VMStateDescription vmstate_g364fb = { |
454 | .name = "g364fb", | |
d5bfbaca MCA |
455 | .version_id = 2, |
456 | .minimum_version_id = 2, | |
97a3f6ff HP |
457 | .post_load = g364fb_post_load, |
458 | .fields = (VMStateField[]) { | |
97a3f6ff HP |
459 | VMSTATE_BUFFER_UNSAFE(color_palette, G364State, 0, 256 * 3), |
460 | VMSTATE_BUFFER_UNSAFE(cursor_palette, G364State, 0, 9), | |
461 | VMSTATE_UINT16_ARRAY(cursor, G364State, 512), | |
462 | VMSTATE_UINT32(cursor_position, G364State), | |
463 | VMSTATE_UINT32(ctla, G364State), | |
464 | VMSTATE_UINT32(top_of_screen, G364State), | |
465 | VMSTATE_UINT32(width, G364State), | |
466 | VMSTATE_UINT32(height, G364State), | |
467 | VMSTATE_END_OF_LIST() | |
468 | } | |
469 | }; | |
1fc3d392 | 470 | |
380cd056 GH |
471 | static const GraphicHwOps g364fb_ops = { |
472 | .invalidate = g364fb_invalidate_display, | |
473 | .gfx_update = g364fb_update_display, | |
474 | }; | |
475 | ||
97a3f6ff | 476 | static void g364fb_init(DeviceState *dev, G364State *s) |
1fc3d392 | 477 | { |
5643706a | 478 | s->con = graphic_console_init(dev, 0, &g364fb_ops, s); |
1fc3d392 | 479 | |
b9fc4f6e PMD |
480 | memory_region_init_io(&s->mem_ctrl, OBJECT(dev), &g364fb_ctrl_ops, s, |
481 | "ctrl", 0x180000); | |
d5bfbaca MCA |
482 | memory_region_init_ram(&s->mem_vram, NULL, "g364fb.vram", s->vram_size, |
483 | &error_fatal); | |
74259ae5 | 484 | memory_region_set_log(&s->mem_vram, true, DIRTY_MEMORY_VGA); |
97a3f6ff HP |
485 | } |
486 | ||
0f31aa86 | 487 | #define TYPE_G364 "sysbus-g364" |
8063396b | 488 | OBJECT_DECLARE_SIMPLE_TYPE(G364SysBusState, G364) |
0f31aa86 | 489 | |
db1015e9 | 490 | struct G364SysBusState { |
0f31aa86 AF |
491 | SysBusDevice parent_obj; |
492 | ||
97a3f6ff | 493 | G364State g364; |
db1015e9 | 494 | }; |
1fc3d392 | 495 | |
0323ee43 | 496 | static void g364fb_sysbus_realize(DeviceState *dev, Error **errp) |
97a3f6ff | 497 | { |
0f31aa86 AF |
498 | G364SysBusState *sbs = G364(dev); |
499 | G364State *s = &sbs->g364; | |
0323ee43 | 500 | SysBusDevice *sbd = SYS_BUS_DEVICE(dev); |
97a3f6ff | 501 | |
0f31aa86 AF |
502 | g364fb_init(dev, s); |
503 | sysbus_init_irq(sbd, &s->irq); | |
504 | sysbus_init_mmio(sbd, &s->mem_ctrl); | |
505 | sysbus_init_mmio(sbd, &s->mem_vram); | |
1fc3d392 | 506 | } |
97a3f6ff HP |
507 | |
508 | static void g364fb_sysbus_reset(DeviceState *d) | |
509 | { | |
0f31aa86 AF |
510 | G364SysBusState *s = G364(d); |
511 | ||
97a3f6ff HP |
512 | g364fb_reset(&s->g364); |
513 | } | |
514 | ||
999e12bb | 515 | static Property g364fb_sysbus_properties[] = { |
f0353b0d | 516 | DEFINE_PROP_UINT32("vram_size", G364SysBusState, g364.vram_size, 8 * MiB), |
999e12bb AL |
517 | DEFINE_PROP_END_OF_LIST(), |
518 | }; | |
519 | ||
8660df5e MCA |
520 | static const VMStateDescription vmstate_g364fb_sysbus = { |
521 | .name = "g364fb-sysbus", | |
522 | .version_id = 2, | |
523 | .minimum_version_id = 2, | |
524 | .fields = (VMStateField[]) { | |
525 | VMSTATE_STRUCT(g364, G364SysBusState, 2, vmstate_g364fb, G364State), | |
526 | VMSTATE_END_OF_LIST() | |
527 | } | |
528 | }; | |
529 | ||
999e12bb AL |
530 | static void g364fb_sysbus_class_init(ObjectClass *klass, void *data) |
531 | { | |
39bffca2 | 532 | DeviceClass *dc = DEVICE_CLASS(klass); |
999e12bb | 533 | |
0323ee43 | 534 | dc->realize = g364fb_sysbus_realize; |
125ee0ed | 535 | set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); |
39bffca2 AL |
536 | dc->desc = "G364 framebuffer"; |
537 | dc->reset = g364fb_sysbus_reset; | |
8660df5e | 538 | dc->vmsd = &vmstate_g364fb_sysbus; |
4f67d30b | 539 | device_class_set_props(dc, g364fb_sysbus_properties); |
999e12bb AL |
540 | } |
541 | ||
8c43a6f0 | 542 | static const TypeInfo g364fb_sysbus_info = { |
0f31aa86 | 543 | .name = TYPE_G364, |
39bffca2 AL |
544 | .parent = TYPE_SYS_BUS_DEVICE, |
545 | .instance_size = sizeof(G364SysBusState), | |
546 | .class_init = g364fb_sysbus_class_init, | |
97a3f6ff HP |
547 | }; |
548 | ||
83f7d43a | 549 | static void g364fb_register_types(void) |
97a3f6ff | 550 | { |
39bffca2 | 551 | type_register_static(&g364fb_sysbus_info); |
97a3f6ff HP |
552 | } |
553 | ||
83f7d43a | 554 | type_init(g364fb_register_types) |