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10#include "qemu/osdep.h"
11#include "hw/sysbus.h"
12#include "ui/console.h"
13#include "framebuffer.h"
14#include "ui/pixel_ops.h"
15
16#define PL110_CR_EN 0x001
17#define PL110_CR_BGR 0x100
18#define PL110_CR_BEBO 0x200
19#define PL110_CR_BEPO 0x400
20#define PL110_CR_PWR 0x800
21
22enum pl110_bppmode
23{
24 BPP_1,
25 BPP_2,
26 BPP_4,
27 BPP_8,
28 BPP_16,
29 BPP_32,
30 BPP_16_565,
31 BPP_12
32};
33
34
35
36enum pl110_version
37{
38 PL110,
39 PL110_VERSATILE,
40 PL111
41};
42
43#define TYPE_PL110 "pl110"
44#define PL110(obj) OBJECT_CHECK(PL110State, (obj), TYPE_PL110)
45
46typedef struct PL110State {
47 SysBusDevice parent_obj;
48
49 MemoryRegion iomem;
50 MemoryRegionSection fbsection;
51 QemuConsole *con;
52
53 int version;
54 uint32_t timing[4];
55 uint32_t cr;
56 uint32_t upbase;
57 uint32_t lpbase;
58 uint32_t int_status;
59 uint32_t int_mask;
60 int cols;
61 int rows;
62 enum pl110_bppmode bpp;
63 int invalidate;
64 uint32_t mux_ctrl;
65 uint32_t palette[256];
66 uint32_t raw_palette[128];
67 qemu_irq irq;
68} PL110State;
69
70static int vmstate_pl110_post_load(void *opaque, int version_id);
71
72static const VMStateDescription vmstate_pl110 = {
73 .name = "pl110",
74 .version_id = 2,
75 .minimum_version_id = 1,
76 .post_load = vmstate_pl110_post_load,
77 .fields = (VMStateField[]) {
78 VMSTATE_INT32(version, PL110State),
79 VMSTATE_UINT32_ARRAY(timing, PL110State, 4),
80 VMSTATE_UINT32(cr, PL110State),
81 VMSTATE_UINT32(upbase, PL110State),
82 VMSTATE_UINT32(lpbase, PL110State),
83 VMSTATE_UINT32(int_status, PL110State),
84 VMSTATE_UINT32(int_mask, PL110State),
85 VMSTATE_INT32(cols, PL110State),
86 VMSTATE_INT32(rows, PL110State),
87 VMSTATE_UINT32(bpp, PL110State),
88 VMSTATE_INT32(invalidate, PL110State),
89 VMSTATE_UINT32_ARRAY(palette, PL110State, 256),
90 VMSTATE_UINT32_ARRAY(raw_palette, PL110State, 128),
91 VMSTATE_UINT32_V(mux_ctrl, PL110State, 2),
92 VMSTATE_END_OF_LIST()
93 }
94};
95
96static const unsigned char pl110_id[] =
97{ 0x10, 0x11, 0x04, 0x00, 0x0d, 0xf0, 0x05, 0xb1 };
98
99static const unsigned char pl111_id[] = {
100 0x11, 0x11, 0x24, 0x00, 0x0d, 0xf0, 0x05, 0xb1
101};
102
103
104
105static const unsigned char *idregs[] = {
106 pl110_id,
107
108
109
110
111
112
113 pl110_id,
114 pl111_id
115};
116
117#define BITS 8
118#include "pl110_template.h"
119#define BITS 15
120#include "pl110_template.h"
121#define BITS 16
122#include "pl110_template.h"
123#define BITS 24
124#include "pl110_template.h"
125#define BITS 32
126#include "pl110_template.h"
127
128static int pl110_enabled(PL110State *s)
129{
130 return (s->cr & PL110_CR_EN) && (s->cr & PL110_CR_PWR);
131}
132
133static void pl110_update_display(void *opaque)
134{
135 PL110State *s = (PL110State *)opaque;
136 SysBusDevice *sbd;
137 DisplaySurface *surface = qemu_console_surface(s->con);
138 drawfn* fntable;
139 drawfn fn;
140 int dest_width;
141 int src_width;
142 int bpp_offset;
143 int first;
144 int last;
145
146 if (!pl110_enabled(s)) {
147 return;
148 }
149
150 sbd = SYS_BUS_DEVICE(s);
151
152 switch (surface_bits_per_pixel(surface)) {
153 case 0:
154 return;
155 case 8:
156 fntable = pl110_draw_fn_8;
157 dest_width = 1;
158 break;
159 case 15:
160 fntable = pl110_draw_fn_15;
161 dest_width = 2;
162 break;
163 case 16:
164 fntable = pl110_draw_fn_16;
165 dest_width = 2;
166 break;
167 case 24:
168 fntable = pl110_draw_fn_24;
169 dest_width = 3;
170 break;
171 case 32:
172 fntable = pl110_draw_fn_32;
173 dest_width = 4;
174 break;
175 default:
176 fprintf(stderr, "pl110: Bad color depth\n");
177 exit(1);
178 }
179 if (s->cr & PL110_CR_BGR)
180 bpp_offset = 0;
181 else
182 bpp_offset = 24;
183
184 if ((s->version != PL111) && (s->bpp == BPP_16)) {
185
186
187
188
189
190
191
192
193
194
195
196
197 switch (s->mux_ctrl) {
198 case 3:
199 bpp_offset = (BPP_16_565 - BPP_16);
200 break;
201 case 1:
202 break;
203 case 0:
204 case 2:
205 default:
206
207 bpp_offset += (BPP_16_565 - BPP_16);
208 break;
209 }
210 }
211
212 if (s->cr & PL110_CR_BEBO)
213 fn = fntable[s->bpp + 8 + bpp_offset];
214 else if (s->cr & PL110_CR_BEPO)
215 fn = fntable[s->bpp + 16 + bpp_offset];
216 else
217 fn = fntable[s->bpp + bpp_offset];
218
219 src_width = s->cols;
220 switch (s->bpp) {
221 case BPP_1:
222 src_width >>= 3;
223 break;
224 case BPP_2:
225 src_width >>= 2;
226 break;
227 case BPP_4:
228 src_width >>= 1;
229 break;
230 case BPP_8:
231 break;
232 case BPP_16:
233 case BPP_16_565:
234 case BPP_12:
235 src_width <<= 1;
236 break;
237 case BPP_32:
238 src_width <<= 2;
239 break;
240 }
241 dest_width *= s->cols;
242 first = 0;
243 if (s->invalidate) {
244 framebuffer_update_memory_section(&s->fbsection,
245 sysbus_address_space(sbd),
246 s->upbase,
247 s->rows, src_width);
248 }
249
250 framebuffer_update_display(surface, &s->fbsection,
251 s->cols, s->rows,
252 src_width, dest_width, 0,
253 s->invalidate,
254 fn, s->palette,
255 &first, &last);
256
257 if (first >= 0) {
258 dpy_gfx_update(s->con, 0, first, s->cols, last - first + 1);
259 }
260 s->invalidate = 0;
261}
262
263static void pl110_invalidate_display(void * opaque)
264{
265 PL110State *s = (PL110State *)opaque;
266 s->invalidate = 1;
267 if (pl110_enabled(s)) {
268 qemu_console_resize(s->con, s->cols, s->rows);
269 }
270}
271
272static void pl110_update_palette(PL110State *s, int n)
273{
274 DisplaySurface *surface = qemu_console_surface(s->con);
275 int i;
276 uint32_t raw;
277 unsigned int r, g, b;
278
279 raw = s->raw_palette[n];
280 n <<= 1;
281 for (i = 0; i < 2; i++) {
282 r = (raw & 0x1f) << 3;
283 raw >>= 5;
284 g = (raw & 0x1f) << 3;
285 raw >>= 5;
286 b = (raw & 0x1f) << 3;
287
288 raw >>= 6;
289 switch (surface_bits_per_pixel(surface)) {
290 case 8:
291 s->palette[n] = rgb_to_pixel8(r, g, b);
292 break;
293 case 15:
294 s->palette[n] = rgb_to_pixel15(r, g, b);
295 break;
296 case 16:
297 s->palette[n] = rgb_to_pixel16(r, g, b);
298 break;
299 case 24:
300 case 32:
301 s->palette[n] = rgb_to_pixel32(r, g, b);
302 break;
303 }
304 n++;
305 }
306}
307
308static void pl110_resize(PL110State *s, int width, int height)
309{
310 if (width != s->cols || height != s->rows) {
311 if (pl110_enabled(s)) {
312 qemu_console_resize(s->con, width, height);
313 }
314 }
315 s->cols = width;
316 s->rows = height;
317}
318
319
320static void pl110_update(PL110State *s)
321{
322
323}
324
325static uint64_t pl110_read(void *opaque, hwaddr offset,
326 unsigned size)
327{
328 PL110State *s = (PL110State *)opaque;
329
330 if (offset >= 0xfe0 && offset < 0x1000) {
331 return idregs[s->version][(offset - 0xfe0) >> 2];
332 }
333 if (offset >= 0x200 && offset < 0x400) {
334 return s->raw_palette[(offset - 0x200) >> 2];
335 }
336 switch (offset >> 2) {
337 case 0:
338 return s->timing[0];
339 case 1:
340 return s->timing[1];
341 case 2:
342 return s->timing[2];
343 case 3:
344 return s->timing[3];
345 case 4:
346 return s->upbase;
347 case 5:
348 return s->lpbase;
349 case 6:
350 if (s->version != PL110) {
351 return s->cr;
352 }
353 return s->int_mask;
354 case 7:
355 if (s->version != PL110) {
356 return s->int_mask;
357 }
358 return s->cr;
359 case 8:
360 return s->int_status;
361 case 9:
362 return s->int_status & s->int_mask;
363 case 11:
364
365 return s->upbase;
366 case 12:
367 return s->lpbase;
368 default:
369 qemu_log_mask(LOG_GUEST_ERROR,
370 "pl110_read: Bad offset %x\n", (int)offset);
371 return 0;
372 }
373}
374
375static void pl110_write(void *opaque, hwaddr offset,
376 uint64_t val, unsigned size)
377{
378 PL110State *s = (PL110State *)opaque;
379 int n;
380
381
382
383 s->invalidate = 1;
384 if (offset >= 0x200 && offset < 0x400) {
385
386 n = (offset - 0x200) >> 2;
387 s->raw_palette[(offset - 0x200) >> 2] = val;
388 pl110_update_palette(s, n);
389 return;
390 }
391 switch (offset >> 2) {
392 case 0:
393 s->timing[0] = val;
394 n = ((val & 0xfc) + 4) * 4;
395 pl110_resize(s, n, s->rows);
396 break;
397 case 1:
398 s->timing[1] = val;
399 n = (val & 0x3ff) + 1;
400 pl110_resize(s, s->cols, n);
401 break;
402 case 2:
403 s->timing[2] = val;
404 break;
405 case 3:
406 s->timing[3] = val;
407 break;
408 case 4:
409 s->upbase = val;
410 break;
411 case 5:
412 s->lpbase = val;
413 break;
414 case 6:
415 if (s->version != PL110) {
416 goto control;
417 }
418 imsc:
419 s->int_mask = val;
420 pl110_update(s);
421 break;
422 case 7:
423 if (s->version != PL110) {
424 goto imsc;
425 }
426 control:
427 s->cr = val;
428 s->bpp = (val >> 1) & 7;
429 if (pl110_enabled(s)) {
430 qemu_console_resize(s->con, s->cols, s->rows);
431 }
432 break;
433 case 10:
434 s->int_status &= ~val;
435 pl110_update(s);
436 break;
437 default:
438 qemu_log_mask(LOG_GUEST_ERROR,
439 "pl110_write: Bad offset %x\n", (int)offset);
440 }
441}
442
443static const MemoryRegionOps pl110_ops = {
444 .read = pl110_read,
445 .write = pl110_write,
446 .endianness = DEVICE_NATIVE_ENDIAN,
447};
448
449static void pl110_mux_ctrl_set(void *opaque, int line, int level)
450{
451 PL110State *s = (PL110State *)opaque;
452 s->mux_ctrl = level;
453}
454
455static int vmstate_pl110_post_load(void *opaque, int version_id)
456{
457 PL110State *s = opaque;
458
459 pl110_invalidate_display(s);
460 return 0;
461}
462
463static const GraphicHwOps pl110_gfx_ops = {
464 .invalidate = pl110_invalidate_display,
465 .gfx_update = pl110_update_display,
466};
467
468static int pl110_initfn(SysBusDevice *sbd)
469{
470 DeviceState *dev = DEVICE(sbd);
471 PL110State *s = PL110(dev);
472
473 memory_region_init_io(&s->iomem, OBJECT(s), &pl110_ops, s, "pl110", 0x1000);
474 sysbus_init_mmio(sbd, &s->iomem);
475 sysbus_init_irq(sbd, &s->irq);
476 qdev_init_gpio_in(dev, pl110_mux_ctrl_set, 1);
477 s->con = graphic_console_init(dev, 0, &pl110_gfx_ops, s);
478 return 0;
479}
480
481static void pl110_init(Object *obj)
482{
483 PL110State *s = PL110(obj);
484
485 s->version = PL110;
486}
487
488static void pl110_versatile_init(Object *obj)
489{
490 PL110State *s = PL110(obj);
491
492 s->version = PL110_VERSATILE;
493}
494
495static void pl111_init(Object *obj)
496{
497 PL110State *s = PL110(obj);
498
499 s->version = PL111;
500}
501
502static void pl110_class_init(ObjectClass *klass, void *data)
503{
504 DeviceClass *dc = DEVICE_CLASS(klass);
505 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
506
507 k->init = pl110_initfn;
508 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
509 dc->vmsd = &vmstate_pl110;
510}
511
512static const TypeInfo pl110_info = {
513 .name = TYPE_PL110,
514 .parent = TYPE_SYS_BUS_DEVICE,
515 .instance_size = sizeof(PL110State),
516 .instance_init = pl110_init,
517 .class_init = pl110_class_init,
518};
519
520static const TypeInfo pl110_versatile_info = {
521 .name = "pl110_versatile",
522 .parent = TYPE_PL110,
523 .instance_init = pl110_versatile_init,
524};
525
526static const TypeInfo pl111_info = {
527 .name = "pl111",
528 .parent = TYPE_PL110,
529 .instance_init = pl111_init,
530};
531
532static void pl110_register_types(void)
533{
534 type_register_static(&pl110_info);
535 type_register_static(&pl110_versatile_info);
536 type_register_static(&pl111_info);
537}
538
539type_init(pl110_register_types)
540
