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10#include "sysbus.h"
11#include "console.h"
12#include "framebuffer.h"
13
14#define PL110_CR_EN 0x001
15#define PL110_CR_BGR 0x100
16#define PL110_CR_BEBO 0x200
17#define PL110_CR_BEPO 0x400
18#define PL110_CR_PWR 0x800
19
20enum pl110_bppmode
21{
22 BPP_1,
23 BPP_2,
24 BPP_4,
25 BPP_8,
26 BPP_16,
27 BPP_32,
28 BPP_16_565,
29 BPP_12
30};
31
32
33
34enum pl110_version
35{
36 PL110,
37 PL110_VERSATILE,
38 PL111
39};
40
41typedef struct {
42 SysBusDevice busdev;
43 MemoryRegion iomem;
44 DisplayState *ds;
45
46 int version;
47 uint32_t timing[4];
48 uint32_t cr;
49 uint32_t upbase;
50 uint32_t lpbase;
51 uint32_t int_status;
52 uint32_t int_mask;
53 int cols;
54 int rows;
55 enum pl110_bppmode bpp;
56 int invalidate;
57 uint32_t mux_ctrl;
58 uint32_t palette[256];
59 uint32_t raw_palette[128];
60 qemu_irq irq;
61} pl110_state;
62
63static int vmstate_pl110_post_load(void *opaque, int version_id);
64
65static const VMStateDescription vmstate_pl110 = {
66 .name = "pl110",
67 .version_id = 2,
68 .minimum_version_id = 1,
69 .post_load = vmstate_pl110_post_load,
70 .fields = (VMStateField[]) {
71 VMSTATE_INT32(version, pl110_state),
72 VMSTATE_UINT32_ARRAY(timing, pl110_state, 4),
73 VMSTATE_UINT32(cr, pl110_state),
74 VMSTATE_UINT32(upbase, pl110_state),
75 VMSTATE_UINT32(lpbase, pl110_state),
76 VMSTATE_UINT32(int_status, pl110_state),
77 VMSTATE_UINT32(int_mask, pl110_state),
78 VMSTATE_INT32(cols, pl110_state),
79 VMSTATE_INT32(rows, pl110_state),
80 VMSTATE_UINT32(bpp, pl110_state),
81 VMSTATE_INT32(invalidate, pl110_state),
82 VMSTATE_UINT32_ARRAY(palette, pl110_state, 256),
83 VMSTATE_UINT32_ARRAY(raw_palette, pl110_state, 128),
84 VMSTATE_UINT32_V(mux_ctrl, pl110_state, 2),
85 VMSTATE_END_OF_LIST()
86 }
87};
88
89static const unsigned char pl110_id[] =
90{ 0x10, 0x11, 0x04, 0x00, 0x0d, 0xf0, 0x05, 0xb1 };
91
92
93
94#if 0
95static const unsigned char pl110_versatile_id[] =
96{ 0x93, 0x10, 0x04, 0x00, 0x0d, 0xf0, 0x05, 0xb1 };
97#else
98#define pl110_versatile_id pl110_id
99#endif
100
101static const unsigned char pl111_id[] = {
102 0x11, 0x11, 0x24, 0x00, 0x0d, 0xf0, 0x05, 0xb1
103};
104
105
106static const unsigned char *idregs[] = {
107 pl110_id,
108 pl110_versatile_id,
109 pl111_id
110};
111
112#include "pixel_ops.h"
113
114#define BITS 8
115#include "pl110_template.h"
116#define BITS 15
117#include "pl110_template.h"
118#define BITS 16
119#include "pl110_template.h"
120#define BITS 24
121#include "pl110_template.h"
122#define BITS 32
123#include "pl110_template.h"
124
125static int pl110_enabled(pl110_state *s)
126{
127 return (s->cr & PL110_CR_EN) && (s->cr & PL110_CR_PWR);
128}
129
130static void pl110_update_display(void *opaque)
131{
132 pl110_state *s = (pl110_state *)opaque;
133 drawfn* fntable;
134 drawfn fn;
135 int dest_width;
136 int src_width;
137 int bpp_offset;
138 int first;
139 int last;
140
141 if (!pl110_enabled(s))
142 return;
143
144 switch (ds_get_bits_per_pixel(s->ds)) {
145 case 0:
146 return;
147 case 8:
148 fntable = pl110_draw_fn_8;
149 dest_width = 1;
150 break;
151 case 15:
152 fntable = pl110_draw_fn_15;
153 dest_width = 2;
154 break;
155 case 16:
156 fntable = pl110_draw_fn_16;
157 dest_width = 2;
158 break;
159 case 24:
160 fntable = pl110_draw_fn_24;
161 dest_width = 3;
162 break;
163 case 32:
164 fntable = pl110_draw_fn_32;
165 dest_width = 4;
166 break;
167 default:
168 fprintf(stderr, "pl110: Bad color depth\n");
169 exit(1);
170 }
171 if (s->cr & PL110_CR_BGR)
172 bpp_offset = 0;
173 else
174 bpp_offset = 24;
175
176 if ((s->version != PL111) && (s->bpp == BPP_16)) {
177
178
179
180
181
182
183
184
185
186
187
188
189 switch (s->mux_ctrl) {
190 case 3:
191 bpp_offset = (BPP_16_565 - BPP_16);
192 break;
193 case 1:
194 break;
195 case 0:
196 case 2:
197 default:
198
199 bpp_offset += (BPP_16_565 - BPP_16);
200 break;
201 }
202 }
203
204 if (s->cr & PL110_CR_BEBO)
205 fn = fntable[s->bpp + 8 + bpp_offset];
206 else if (s->cr & PL110_CR_BEPO)
207 fn = fntable[s->bpp + 16 + bpp_offset];
208 else
209 fn = fntable[s->bpp + bpp_offset];
210
211 src_width = s->cols;
212 switch (s->bpp) {
213 case BPP_1:
214 src_width >>= 3;
215 break;
216 case BPP_2:
217 src_width >>= 2;
218 break;
219 case BPP_4:
220 src_width >>= 1;
221 break;
222 case BPP_8:
223 break;
224 case BPP_16:
225 case BPP_16_565:
226 case BPP_12:
227 src_width <<= 1;
228 break;
229 case BPP_32:
230 src_width <<= 2;
231 break;
232 }
233 dest_width *= s->cols;
234 first = 0;
235 framebuffer_update_display(s->ds, sysbus_address_space(&s->busdev),
236 s->upbase, s->cols, s->rows,
237 src_width, dest_width, 0,
238 s->invalidate,
239 fn, s->palette,
240 &first, &last);
241 if (first >= 0) {
242 dpy_gfx_update(s->ds, 0, first, s->cols, last - first + 1);
243 }
244 s->invalidate = 0;
245}
246
247static void pl110_invalidate_display(void * opaque)
248{
249 pl110_state *s = (pl110_state *)opaque;
250 s->invalidate = 1;
251 if (pl110_enabled(s)) {
252 qemu_console_resize(s->ds, s->cols, s->rows);
253 }
254}
255
256static void pl110_update_palette(pl110_state *s, int n)
257{
258 int i;
259 uint32_t raw;
260 unsigned int r, g, b;
261
262 raw = s->raw_palette[n];
263 n <<= 1;
264 for (i = 0; i < 2; i++) {
265 r = (raw & 0x1f) << 3;
266 raw >>= 5;
267 g = (raw & 0x1f) << 3;
268 raw >>= 5;
269 b = (raw & 0x1f) << 3;
270
271 raw >>= 6;
272 switch (ds_get_bits_per_pixel(s->ds)) {
273 case 8:
274 s->palette[n] = rgb_to_pixel8(r, g, b);
275 break;
276 case 15:
277 s->palette[n] = rgb_to_pixel15(r, g, b);
278 break;
279 case 16:
280 s->palette[n] = rgb_to_pixel16(r, g, b);
281 break;
282 case 24:
283 case 32:
284 s->palette[n] = rgb_to_pixel32(r, g, b);
285 break;
286 }
287 n++;
288 }
289}
290
291static void pl110_resize(pl110_state *s, int width, int height)
292{
293 if (width != s->cols || height != s->rows) {
294 if (pl110_enabled(s)) {
295 qemu_console_resize(s->ds, width, height);
296 }
297 }
298 s->cols = width;
299 s->rows = height;
300}
301
302
303static void pl110_update(pl110_state *s)
304{
305
306}
307
308static uint64_t pl110_read(void *opaque, hwaddr offset,
309 unsigned size)
310{
311 pl110_state *s = (pl110_state *)opaque;
312
313 if (offset >= 0xfe0 && offset < 0x1000) {
314 return idregs[s->version][(offset - 0xfe0) >> 2];
315 }
316 if (offset >= 0x200 && offset < 0x400) {
317 return s->raw_palette[(offset - 0x200) >> 2];
318 }
319 switch (offset >> 2) {
320 case 0:
321 return s->timing[0];
322 case 1:
323 return s->timing[1];
324 case 2:
325 return s->timing[2];
326 case 3:
327 return s->timing[3];
328 case 4:
329 return s->upbase;
330 case 5:
331 return s->lpbase;
332 case 6:
333 if (s->version != PL110) {
334 return s->cr;
335 }
336 return s->int_mask;
337 case 7:
338 if (s->version != PL110) {
339 return s->int_mask;
340 }
341 return s->cr;
342 case 8:
343 return s->int_status;
344 case 9:
345 return s->int_status & s->int_mask;
346 case 11:
347
348 return s->upbase;
349 case 12:
350 return s->lpbase;
351 default:
352 qemu_log_mask(LOG_GUEST_ERROR,
353 "pl110_read: Bad offset %x\n", (int)offset);
354 return 0;
355 }
356}
357
358static void pl110_write(void *opaque, hwaddr offset,
359 uint64_t val, unsigned size)
360{
361 pl110_state *s = (pl110_state *)opaque;
362 int n;
363
364
365
366 s->invalidate = 1;
367 if (offset >= 0x200 && offset < 0x400) {
368
369 n = (offset - 0x200) >> 2;
370 s->raw_palette[(offset - 0x200) >> 2] = val;
371 pl110_update_palette(s, n);
372 return;
373 }
374 switch (offset >> 2) {
375 case 0:
376 s->timing[0] = val;
377 n = ((val & 0xfc) + 4) * 4;
378 pl110_resize(s, n, s->rows);
379 break;
380 case 1:
381 s->timing[1] = val;
382 n = (val & 0x3ff) + 1;
383 pl110_resize(s, s->cols, n);
384 break;
385 case 2:
386 s->timing[2] = val;
387 break;
388 case 3:
389 s->timing[3] = val;
390 break;
391 case 4:
392 s->upbase = val;
393 break;
394 case 5:
395 s->lpbase = val;
396 break;
397 case 6:
398 if (s->version != PL110) {
399 goto control;
400 }
401 imsc:
402 s->int_mask = val;
403 pl110_update(s);
404 break;
405 case 7:
406 if (s->version != PL110) {
407 goto imsc;
408 }
409 control:
410 s->cr = val;
411 s->bpp = (val >> 1) & 7;
412 if (pl110_enabled(s)) {
413 qemu_console_resize(s->ds, s->cols, s->rows);
414 }
415 break;
416 case 10:
417 s->int_status &= ~val;
418 pl110_update(s);
419 break;
420 default:
421 qemu_log_mask(LOG_GUEST_ERROR,
422 "pl110_write: Bad offset %x\n", (int)offset);
423 }
424}
425
426static const MemoryRegionOps pl110_ops = {
427 .read = pl110_read,
428 .write = pl110_write,
429 .endianness = DEVICE_NATIVE_ENDIAN,
430};
431
432static void pl110_mux_ctrl_set(void *opaque, int line, int level)
433{
434 pl110_state *s = (pl110_state *)opaque;
435 s->mux_ctrl = level;
436}
437
438static int vmstate_pl110_post_load(void *opaque, int version_id)
439{
440 pl110_state *s = opaque;
441
442 pl110_invalidate_display(s);
443 return 0;
444}
445
446static int pl110_init(SysBusDevice *dev)
447{
448 pl110_state *s = FROM_SYSBUS(pl110_state, dev);
449
450 memory_region_init_io(&s->iomem, &pl110_ops, s, "pl110", 0x1000);
451 sysbus_init_mmio(dev, &s->iomem);
452 sysbus_init_irq(dev, &s->irq);
453 qdev_init_gpio_in(&s->busdev.qdev, pl110_mux_ctrl_set, 1);
454 s->ds = graphic_console_init(pl110_update_display,
455 pl110_invalidate_display,
456 NULL, NULL, s);
457 return 0;
458}
459
460static int pl110_versatile_init(SysBusDevice *dev)
461{
462 pl110_state *s = FROM_SYSBUS(pl110_state, dev);
463 s->version = PL110_VERSATILE;
464 return pl110_init(dev);
465}
466
467static int pl111_init(SysBusDevice *dev)
468{
469 pl110_state *s = FROM_SYSBUS(pl110_state, dev);
470 s->version = PL111;
471 return pl110_init(dev);
472}
473
474static void pl110_class_init(ObjectClass *klass, void *data)
475{
476 DeviceClass *dc = DEVICE_CLASS(klass);
477 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
478
479 k->init = pl110_init;
480 dc->no_user = 1;
481 dc->vmsd = &vmstate_pl110;
482}
483
484static TypeInfo pl110_info = {
485 .name = "pl110",
486 .parent = TYPE_SYS_BUS_DEVICE,
487 .instance_size = sizeof(pl110_state),
488 .class_init = pl110_class_init,
489};
490
491static void pl110_versatile_class_init(ObjectClass *klass, void *data)
492{
493 DeviceClass *dc = DEVICE_CLASS(klass);
494 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
495
496 k->init = pl110_versatile_init;
497 dc->no_user = 1;
498 dc->vmsd = &vmstate_pl110;
499}
500
501static TypeInfo pl110_versatile_info = {
502 .name = "pl110_versatile",
503 .parent = TYPE_SYS_BUS_DEVICE,
504 .instance_size = sizeof(pl110_state),
505 .class_init = pl110_versatile_class_init,
506};
507
508static void pl111_class_init(ObjectClass *klass, void *data)
509{
510 DeviceClass *dc = DEVICE_CLASS(klass);
511 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
512
513 k->init = pl111_init;
514 dc->no_user = 1;
515 dc->vmsd = &vmstate_pl110;
516}
517
518static TypeInfo pl111_info = {
519 .name = "pl111",
520 .parent = TYPE_SYS_BUS_DEVICE,
521 .instance_size = sizeof(pl110_state),
522 .class_init = pl111_class_init,
523};
524
525static void pl110_register_types(void)
526{
527 type_register_static(&pl110_info);
528 type_register_static(&pl110_versatile_info);
529 type_register_static(&pl111_info);
530}
531
532type_init(pl110_register_types)
533
