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10#include "hw/sysbus.h"
11#include "ui/console.h"
12#include "framebuffer.h"
13#include "ui/pixel_ops.h"
14
15#define PL110_CR_EN 0x001
16#define PL110_CR_BGR 0x100
17#define PL110_CR_BEBO 0x200
18#define PL110_CR_BEPO 0x400
19#define PL110_CR_PWR 0x800
20
21enum pl110_bppmode
22{
23 BPP_1,
24 BPP_2,
25 BPP_4,
26 BPP_8,
27 BPP_16,
28 BPP_32,
29 BPP_16_565,
30 BPP_12
31};
32
33
34
35enum pl110_version
36{
37 PL110,
38 PL110_VERSATILE,
39 PL111
40};
41
42typedef struct {
43 SysBusDevice busdev;
44 MemoryRegion iomem;
45 QemuConsole *con;
46
47 int version;
48 uint32_t timing[4];
49 uint32_t cr;
50 uint32_t upbase;
51 uint32_t lpbase;
52 uint32_t int_status;
53 uint32_t int_mask;
54 int cols;
55 int rows;
56 enum pl110_bppmode bpp;
57 int invalidate;
58 uint32_t mux_ctrl;
59 uint32_t palette[256];
60 uint32_t raw_palette[128];
61 qemu_irq irq;
62} pl110_state;
63
64static int vmstate_pl110_post_load(void *opaque, int version_id);
65
66static const VMStateDescription vmstate_pl110 = {
67 .name = "pl110",
68 .version_id = 2,
69 .minimum_version_id = 1,
70 .post_load = vmstate_pl110_post_load,
71 .fields = (VMStateField[]) {
72 VMSTATE_INT32(version, pl110_state),
73 VMSTATE_UINT32_ARRAY(timing, pl110_state, 4),
74 VMSTATE_UINT32(cr, pl110_state),
75 VMSTATE_UINT32(upbase, pl110_state),
76 VMSTATE_UINT32(lpbase, pl110_state),
77 VMSTATE_UINT32(int_status, pl110_state),
78 VMSTATE_UINT32(int_mask, pl110_state),
79 VMSTATE_INT32(cols, pl110_state),
80 VMSTATE_INT32(rows, pl110_state),
81 VMSTATE_UINT32(bpp, pl110_state),
82 VMSTATE_INT32(invalidate, pl110_state),
83 VMSTATE_UINT32_ARRAY(palette, pl110_state, 256),
84 VMSTATE_UINT32_ARRAY(raw_palette, pl110_state, 128),
85 VMSTATE_UINT32_V(mux_ctrl, pl110_state, 2),
86 VMSTATE_END_OF_LIST()
87 }
88};
89
90static const unsigned char pl110_id[] =
91{ 0x10, 0x11, 0x04, 0x00, 0x0d, 0xf0, 0x05, 0xb1 };
92
93
94
95#if 0
96static const unsigned char pl110_versatile_id[] =
97{ 0x93, 0x10, 0x04, 0x00, 0x0d, 0xf0, 0x05, 0xb1 };
98#else
99#define pl110_versatile_id pl110_id
100#endif
101
102static const unsigned char pl111_id[] = {
103 0x11, 0x11, 0x24, 0x00, 0x0d, 0xf0, 0x05, 0xb1
104};
105
106
107static const unsigned char *idregs[] = {
108 pl110_id,
109 pl110_versatile_id,
110 pl111_id
111};
112
113#define BITS 8
114#include "pl110_template.h"
115#define BITS 15
116#include "pl110_template.h"
117#define BITS 16
118#include "pl110_template.h"
119#define BITS 24
120#include "pl110_template.h"
121#define BITS 32
122#include "pl110_template.h"
123
124static int pl110_enabled(pl110_state *s)
125{
126 return (s->cr & PL110_CR_EN) && (s->cr & PL110_CR_PWR);
127}
128
129static void pl110_update_display(void *opaque)
130{
131 pl110_state *s = (pl110_state *)opaque;
132 DisplaySurface *surface = qemu_console_surface(s->con);
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 (surface_bits_per_pixel(surface)) {
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(surface, 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->con, 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->con, s->cols, s->rows);
253 }
254}
255
256static void pl110_update_palette(pl110_state *s, int n)
257{
258 DisplaySurface *surface = qemu_console_surface(s->con);
259 int i;
260 uint32_t raw;
261 unsigned int r, g, b;
262
263 raw = s->raw_palette[n];
264 n <<= 1;
265 for (i = 0; i < 2; i++) {
266 r = (raw & 0x1f) << 3;
267 raw >>= 5;
268 g = (raw & 0x1f) << 3;
269 raw >>= 5;
270 b = (raw & 0x1f) << 3;
271
272 raw >>= 6;
273 switch (surface_bits_per_pixel(surface)) {
274 case 8:
275 s->palette[n] = rgb_to_pixel8(r, g, b);
276 break;
277 case 15:
278 s->palette[n] = rgb_to_pixel15(r, g, b);
279 break;
280 case 16:
281 s->palette[n] = rgb_to_pixel16(r, g, b);
282 break;
283 case 24:
284 case 32:
285 s->palette[n] = rgb_to_pixel32(r, g, b);
286 break;
287 }
288 n++;
289 }
290}
291
292static void pl110_resize(pl110_state *s, int width, int height)
293{
294 if (width != s->cols || height != s->rows) {
295 if (pl110_enabled(s)) {
296 qemu_console_resize(s->con, width, height);
297 }
298 }
299 s->cols = width;
300 s->rows = height;
301}
302
303
304static void pl110_update(pl110_state *s)
305{
306
307}
308
309static uint64_t pl110_read(void *opaque, hwaddr offset,
310 unsigned size)
311{
312 pl110_state *s = (pl110_state *)opaque;
313
314 if (offset >= 0xfe0 && offset < 0x1000) {
315 return idregs[s->version][(offset - 0xfe0) >> 2];
316 }
317 if (offset >= 0x200 && offset < 0x400) {
318 return s->raw_palette[(offset - 0x200) >> 2];
319 }
320 switch (offset >> 2) {
321 case 0:
322 return s->timing[0];
323 case 1:
324 return s->timing[1];
325 case 2:
326 return s->timing[2];
327 case 3:
328 return s->timing[3];
329 case 4:
330 return s->upbase;
331 case 5:
332 return s->lpbase;
333 case 6:
334 if (s->version != PL110) {
335 return s->cr;
336 }
337 return s->int_mask;
338 case 7:
339 if (s->version != PL110) {
340 return s->int_mask;
341 }
342 return s->cr;
343 case 8:
344 return s->int_status;
345 case 9:
346 return s->int_status & s->int_mask;
347 case 11:
348
349 return s->upbase;
350 case 12:
351 return s->lpbase;
352 default:
353 qemu_log_mask(LOG_GUEST_ERROR,
354 "pl110_read: Bad offset %x\n", (int)offset);
355 return 0;
356 }
357}
358
359static void pl110_write(void *opaque, hwaddr offset,
360 uint64_t val, unsigned size)
361{
362 pl110_state *s = (pl110_state *)opaque;
363 int n;
364
365
366
367 s->invalidate = 1;
368 if (offset >= 0x200 && offset < 0x400) {
369
370 n = (offset - 0x200) >> 2;
371 s->raw_palette[(offset - 0x200) >> 2] = val;
372 pl110_update_palette(s, n);
373 return;
374 }
375 switch (offset >> 2) {
376 case 0:
377 s->timing[0] = val;
378 n = ((val & 0xfc) + 4) * 4;
379 pl110_resize(s, n, s->rows);
380 break;
381 case 1:
382 s->timing[1] = val;
383 n = (val & 0x3ff) + 1;
384 pl110_resize(s, s->cols, n);
385 break;
386 case 2:
387 s->timing[2] = val;
388 break;
389 case 3:
390 s->timing[3] = val;
391 break;
392 case 4:
393 s->upbase = val;
394 break;
395 case 5:
396 s->lpbase = val;
397 break;
398 case 6:
399 if (s->version != PL110) {
400 goto control;
401 }
402 imsc:
403 s->int_mask = val;
404 pl110_update(s);
405 break;
406 case 7:
407 if (s->version != PL110) {
408 goto imsc;
409 }
410 control:
411 s->cr = val;
412 s->bpp = (val >> 1) & 7;
413 if (pl110_enabled(s)) {
414 qemu_console_resize(s->con, s->cols, s->rows);
415 }
416 break;
417 case 10:
418 s->int_status &= ~val;
419 pl110_update(s);
420 break;
421 default:
422 qemu_log_mask(LOG_GUEST_ERROR,
423 "pl110_write: Bad offset %x\n", (int)offset);
424 }
425}
426
427static const MemoryRegionOps pl110_ops = {
428 .read = pl110_read,
429 .write = pl110_write,
430 .endianness = DEVICE_NATIVE_ENDIAN,
431};
432
433static void pl110_mux_ctrl_set(void *opaque, int line, int level)
434{
435 pl110_state *s = (pl110_state *)opaque;
436 s->mux_ctrl = level;
437}
438
439static int vmstate_pl110_post_load(void *opaque, int version_id)
440{
441 pl110_state *s = opaque;
442
443 pl110_invalidate_display(s);
444 return 0;
445}
446
447static const GraphicHwOps pl110_gfx_ops = {
448 .invalidate = pl110_invalidate_display,
449 .gfx_update = pl110_update_display,
450};
451
452static int pl110_init(SysBusDevice *dev)
453{
454 pl110_state *s = FROM_SYSBUS(pl110_state, dev);
455
456 memory_region_init_io(&s->iomem, &pl110_ops, s, "pl110", 0x1000);
457 sysbus_init_mmio(dev, &s->iomem);
458 sysbus_init_irq(dev, &s->irq);
459 qdev_init_gpio_in(&s->busdev.qdev, pl110_mux_ctrl_set, 1);
460 s->con = graphic_console_init(DEVICE(dev), &pl110_gfx_ops, s);
461 return 0;
462}
463
464static int pl110_versatile_init(SysBusDevice *dev)
465{
466 pl110_state *s = FROM_SYSBUS(pl110_state, dev);
467 s->version = PL110_VERSATILE;
468 return pl110_init(dev);
469}
470
471static int pl111_init(SysBusDevice *dev)
472{
473 pl110_state *s = FROM_SYSBUS(pl110_state, dev);
474 s->version = PL111;
475 return pl110_init(dev);
476}
477
478static void pl110_class_init(ObjectClass *klass, void *data)
479{
480 DeviceClass *dc = DEVICE_CLASS(klass);
481 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
482
483 k->init = pl110_init;
484 dc->no_user = 1;
485 dc->vmsd = &vmstate_pl110;
486}
487
488static const TypeInfo pl110_info = {
489 .name = "pl110",
490 .parent = TYPE_SYS_BUS_DEVICE,
491 .instance_size = sizeof(pl110_state),
492 .class_init = pl110_class_init,
493};
494
495static void pl110_versatile_class_init(ObjectClass *klass, void *data)
496{
497 DeviceClass *dc = DEVICE_CLASS(klass);
498 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
499
500 k->init = pl110_versatile_init;
501 dc->no_user = 1;
502 dc->vmsd = &vmstate_pl110;
503}
504
505static const TypeInfo pl110_versatile_info = {
506 .name = "pl110_versatile",
507 .parent = TYPE_SYS_BUS_DEVICE,
508 .instance_size = sizeof(pl110_state),
509 .class_init = pl110_versatile_class_init,
510};
511
512static void pl111_class_init(ObjectClass *klass, void *data)
513{
514 DeviceClass *dc = DEVICE_CLASS(klass);
515 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
516
517 k->init = pl111_init;
518 dc->no_user = 1;
519 dc->vmsd = &vmstate_pl110;
520}
521
522static const TypeInfo pl111_info = {
523 .name = "pl111",
524 .parent = TYPE_SYS_BUS_DEVICE,
525 .instance_size = sizeof(pl110_state),
526 .class_init = pl111_class_init,
527};
528
529static void pl110_register_types(void)
530{
531 type_register_static(&pl110_info);
532 type_register_static(&pl110_versatile_info);
533 type_register_static(&pl111_info);
534}
535
536type_init(pl110_register_types)
537
