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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#include "qemu/log.h"
16
17#define PL110_CR_EN 0x001
18#define PL110_CR_BGR 0x100
19#define PL110_CR_BEBO 0x200
20#define PL110_CR_BEPO 0x400
21#define PL110_CR_PWR 0x800
22
23enum pl110_bppmode
24{
25 BPP_1,
26 BPP_2,
27 BPP_4,
28 BPP_8,
29 BPP_16,
30 BPP_32,
31 BPP_16_565,
32 BPP_12
33};
34
35
36
37enum pl110_version
38{
39 PL110,
40 PL110_VERSATILE,
41 PL111
42};
43
44#define TYPE_PL110 "pl110"
45#define PL110(obj) OBJECT_CHECK(PL110State, (obj), TYPE_PL110)
46
47typedef struct PL110State {
48 SysBusDevice parent_obj;
49
50 MemoryRegion iomem;
51 MemoryRegionSection fbsection;
52 QemuConsole *con;
53
54 int version;
55 uint32_t timing[4];
56 uint32_t cr;
57 uint32_t upbase;
58 uint32_t lpbase;
59 uint32_t int_status;
60 uint32_t int_mask;
61 int cols;
62 int rows;
63 enum pl110_bppmode bpp;
64 int invalidate;
65 uint32_t mux_ctrl;
66 uint32_t palette[256];
67 uint32_t raw_palette[128];
68 qemu_irq irq;
69} PL110State;
70
71static int vmstate_pl110_post_load(void *opaque, int version_id);
72
73static const VMStateDescription vmstate_pl110 = {
74 .name = "pl110",
75 .version_id = 2,
76 .minimum_version_id = 1,
77 .post_load = vmstate_pl110_post_load,
78 .fields = (VMStateField[]) {
79 VMSTATE_INT32(version, PL110State),
80 VMSTATE_UINT32_ARRAY(timing, PL110State, 4),
81 VMSTATE_UINT32(cr, PL110State),
82 VMSTATE_UINT32(upbase, PL110State),
83 VMSTATE_UINT32(lpbase, PL110State),
84 VMSTATE_UINT32(int_status, PL110State),
85 VMSTATE_UINT32(int_mask, PL110State),
86 VMSTATE_INT32(cols, PL110State),
87 VMSTATE_INT32(rows, PL110State),
88 VMSTATE_UINT32(bpp, PL110State),
89 VMSTATE_INT32(invalidate, PL110State),
90 VMSTATE_UINT32_ARRAY(palette, PL110State, 256),
91 VMSTATE_UINT32_ARRAY(raw_palette, PL110State, 128),
92 VMSTATE_UINT32_V(mux_ctrl, PL110State, 2),
93 VMSTATE_END_OF_LIST()
94 }
95};
96
97static const unsigned char pl110_id[] =
98{ 0x10, 0x11, 0x04, 0x00, 0x0d, 0xf0, 0x05, 0xb1 };
99
100static const unsigned char pl111_id[] = {
101 0x11, 0x11, 0x24, 0x00, 0x0d, 0xf0, 0x05, 0xb1
102};
103
104
105
106static const unsigned char *idregs[] = {
107 pl110_id,
108
109
110
111
112
113
114 pl110_id,
115 pl111_id
116};
117
118#define BITS 8
119#include "pl110_template.h"
120#define BITS 15
121#include "pl110_template.h"
122#define BITS 16
123#include "pl110_template.h"
124#define BITS 24
125#include "pl110_template.h"
126#define BITS 32
127#include "pl110_template.h"
128
129static int pl110_enabled(PL110State *s)
130{
131 return (s->cr & PL110_CR_EN) && (s->cr & PL110_CR_PWR);
132}
133
134static void pl110_update_display(void *opaque)
135{
136 PL110State *s = (PL110State *)opaque;
137 SysBusDevice *sbd;
138 DisplaySurface *surface = qemu_console_surface(s->con);
139 drawfn* fntable;
140 drawfn fn;
141 int dest_width;
142 int src_width;
143 int bpp_offset;
144 int first;
145 int last;
146
147 if (!pl110_enabled(s)) {
148 return;
149 }
150
151 sbd = SYS_BUS_DEVICE(s);
152
153 switch (surface_bits_per_pixel(surface)) {
154 case 0:
155 return;
156 case 8:
157 fntable = pl110_draw_fn_8;
158 dest_width = 1;
159 break;
160 case 15:
161 fntable = pl110_draw_fn_15;
162 dest_width = 2;
163 break;
164 case 16:
165 fntable = pl110_draw_fn_16;
166 dest_width = 2;
167 break;
168 case 24:
169 fntable = pl110_draw_fn_24;
170 dest_width = 3;
171 break;
172 case 32:
173 fntable = pl110_draw_fn_32;
174 dest_width = 4;
175 break;
176 default:
177 fprintf(stderr, "pl110: Bad color depth\n");
178 exit(1);
179 }
180 if (s->cr & PL110_CR_BGR)
181 bpp_offset = 0;
182 else
183 bpp_offset = 24;
184
185 if ((s->version != PL111) && (s->bpp == BPP_16)) {
186
187
188
189
190
191
192
193
194
195
196
197
198 switch (s->mux_ctrl) {
199 case 3:
200 bpp_offset = (BPP_16_565 - BPP_16);
201 break;
202 case 1:
203 break;
204 case 0:
205 case 2:
206 default:
207
208 bpp_offset += (BPP_16_565 - BPP_16);
209 break;
210 }
211 }
212
213 if (s->cr & PL110_CR_BEBO)
214 fn = fntable[s->bpp + 8 + bpp_offset];
215 else if (s->cr & PL110_CR_BEPO)
216 fn = fntable[s->bpp + 16 + bpp_offset];
217 else
218 fn = fntable[s->bpp + bpp_offset];
219
220 src_width = s->cols;
221 switch (s->bpp) {
222 case BPP_1:
223 src_width >>= 3;
224 break;
225 case BPP_2:
226 src_width >>= 2;
227 break;
228 case BPP_4:
229 src_width >>= 1;
230 break;
231 case BPP_8:
232 break;
233 case BPP_16:
234 case BPP_16_565:
235 case BPP_12:
236 src_width <<= 1;
237 break;
238 case BPP_32:
239 src_width <<= 2;
240 break;
241 }
242 dest_width *= s->cols;
243 first = 0;
244 if (s->invalidate) {
245 framebuffer_update_memory_section(&s->fbsection,
246 sysbus_address_space(sbd),
247 s->upbase,
248 s->rows, src_width);
249 }
250
251 framebuffer_update_display(surface, &s->fbsection,
252 s->cols, s->rows,
253 src_width, dest_width, 0,
254 s->invalidate,
255 fn, s->palette,
256 &first, &last);
257
258 if (first >= 0) {
259 dpy_gfx_update(s->con, 0, first, s->cols, last - first + 1);
260 }
261 s->invalidate = 0;
262}
263
264static void pl110_invalidate_display(void * opaque)
265{
266 PL110State *s = (PL110State *)opaque;
267 s->invalidate = 1;
268 if (pl110_enabled(s)) {
269 qemu_console_resize(s->con, s->cols, s->rows);
270 }
271}
272
273static void pl110_update_palette(PL110State *s, int n)
274{
275 DisplaySurface *surface = qemu_console_surface(s->con);
276 int i;
277 uint32_t raw;
278 unsigned int r, g, b;
279
280 raw = s->raw_palette[n];
281 n <<= 1;
282 for (i = 0; i < 2; i++) {
283 r = (raw & 0x1f) << 3;
284 raw >>= 5;
285 g = (raw & 0x1f) << 3;
286 raw >>= 5;
287 b = (raw & 0x1f) << 3;
288
289 raw >>= 6;
290 switch (surface_bits_per_pixel(surface)) {
291 case 8:
292 s->palette[n] = rgb_to_pixel8(r, g, b);
293 break;
294 case 15:
295 s->palette[n] = rgb_to_pixel15(r, g, b);
296 break;
297 case 16:
298 s->palette[n] = rgb_to_pixel16(r, g, b);
299 break;
300 case 24:
301 case 32:
302 s->palette[n] = rgb_to_pixel32(r, g, b);
303 break;
304 }
305 n++;
306 }
307}
308
309static void pl110_resize(PL110State *s, int width, int height)
310{
311 if (width != s->cols || height != s->rows) {
312 if (pl110_enabled(s)) {
313 qemu_console_resize(s->con, width, height);
314 }
315 }
316 s->cols = width;
317 s->rows = height;
318}
319
320
321static void pl110_update(PL110State *s)
322{
323
324}
325
326static uint64_t pl110_read(void *opaque, hwaddr offset,
327 unsigned size)
328{
329 PL110State *s = (PL110State *)opaque;
330
331 if (offset >= 0xfe0 && offset < 0x1000) {
332 return idregs[s->version][(offset - 0xfe0) >> 2];
333 }
334 if (offset >= 0x200 && offset < 0x400) {
335 return s->raw_palette[(offset - 0x200) >> 2];
336 }
337 switch (offset >> 2) {
338 case 0:
339 return s->timing[0];
340 case 1:
341 return s->timing[1];
342 case 2:
343 return s->timing[2];
344 case 3:
345 return s->timing[3];
346 case 4:
347 return s->upbase;
348 case 5:
349 return s->lpbase;
350 case 6:
351 if (s->version != PL110) {
352 return s->cr;
353 }
354 return s->int_mask;
355 case 7:
356 if (s->version != PL110) {
357 return s->int_mask;
358 }
359 return s->cr;
360 case 8:
361 return s->int_status;
362 case 9:
363 return s->int_status & s->int_mask;
364 case 11:
365
366 return s->upbase;
367 case 12:
368 return s->lpbase;
369 default:
370 qemu_log_mask(LOG_GUEST_ERROR,
371 "pl110_read: Bad offset %x\n", (int)offset);
372 return 0;
373 }
374}
375
376static void pl110_write(void *opaque, hwaddr offset,
377 uint64_t val, unsigned size)
378{
379 PL110State *s = (PL110State *)opaque;
380 int n;
381
382
383
384 s->invalidate = 1;
385 if (offset >= 0x200 && offset < 0x400) {
386
387 n = (offset - 0x200) >> 2;
388 s->raw_palette[(offset - 0x200) >> 2] = val;
389 pl110_update_palette(s, n);
390 return;
391 }
392 switch (offset >> 2) {
393 case 0:
394 s->timing[0] = val;
395 n = ((val & 0xfc) + 4) * 4;
396 pl110_resize(s, n, s->rows);
397 break;
398 case 1:
399 s->timing[1] = val;
400 n = (val & 0x3ff) + 1;
401 pl110_resize(s, s->cols, n);
402 break;
403 case 2:
404 s->timing[2] = val;
405 break;
406 case 3:
407 s->timing[3] = val;
408 break;
409 case 4:
410 s->upbase = val;
411 break;
412 case 5:
413 s->lpbase = val;
414 break;
415 case 6:
416 if (s->version != PL110) {
417 goto control;
418 }
419 imsc:
420 s->int_mask = val;
421 pl110_update(s);
422 break;
423 case 7:
424 if (s->version != PL110) {
425 goto imsc;
426 }
427 control:
428 s->cr = val;
429 s->bpp = (val >> 1) & 7;
430 if (pl110_enabled(s)) {
431 qemu_console_resize(s->con, s->cols, s->rows);
432 }
433 break;
434 case 10:
435 s->int_status &= ~val;
436 pl110_update(s);
437 break;
438 default:
439 qemu_log_mask(LOG_GUEST_ERROR,
440 "pl110_write: Bad offset %x\n", (int)offset);
441 }
442}
443
444static const MemoryRegionOps pl110_ops = {
445 .read = pl110_read,
446 .write = pl110_write,
447 .endianness = DEVICE_NATIVE_ENDIAN,
448};
449
450static void pl110_mux_ctrl_set(void *opaque, int line, int level)
451{
452 PL110State *s = (PL110State *)opaque;
453 s->mux_ctrl = level;
454}
455
456static int vmstate_pl110_post_load(void *opaque, int version_id)
457{
458 PL110State *s = opaque;
459
460 pl110_invalidate_display(s);
461 return 0;
462}
463
464static const GraphicHwOps pl110_gfx_ops = {
465 .invalidate = pl110_invalidate_display,
466 .gfx_update = pl110_update_display,
467};
468
469static int pl110_initfn(SysBusDevice *sbd)
470{
471 DeviceState *dev = DEVICE(sbd);
472 PL110State *s = PL110(dev);
473
474 memory_region_init_io(&s->iomem, OBJECT(s), &pl110_ops, s, "pl110", 0x1000);
475 sysbus_init_mmio(sbd, &s->iomem);
476 sysbus_init_irq(sbd, &s->irq);
477 qdev_init_gpio_in(dev, pl110_mux_ctrl_set, 1);
478 s->con = graphic_console_init(dev, 0, &pl110_gfx_ops, s);
479 return 0;
480}
481
482static void pl110_init(Object *obj)
483{
484 PL110State *s = PL110(obj);
485
486 s->version = PL110;
487}
488
489static void pl110_versatile_init(Object *obj)
490{
491 PL110State *s = PL110(obj);
492
493 s->version = PL110_VERSATILE;
494}
495
496static void pl111_init(Object *obj)
497{
498 PL110State *s = PL110(obj);
499
500 s->version = PL111;
501}
502
503static void pl110_class_init(ObjectClass *klass, void *data)
504{
505 DeviceClass *dc = DEVICE_CLASS(klass);
506 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
507
508 k->init = pl110_initfn;
509 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
510 dc->vmsd = &vmstate_pl110;
511}
512
513static const TypeInfo pl110_info = {
514 .name = TYPE_PL110,
515 .parent = TYPE_SYS_BUS_DEVICE,
516 .instance_size = sizeof(PL110State),
517 .instance_init = pl110_init,
518 .class_init = pl110_class_init,
519};
520
521static const TypeInfo pl110_versatile_info = {
522 .name = "pl110_versatile",
523 .parent = TYPE_PL110,
524 .instance_init = pl110_versatile_init,
525};
526
527static const TypeInfo pl111_info = {
528 .name = "pl111",
529 .parent = TYPE_PL110,
530 .instance_init = pl111_init,
531};
532
533static void pl110_register_types(void)
534{
535 type_register_static(&pl110_info);
536 type_register_static(&pl110_versatile_info);
537 type_register_static(&pl111_info);
538}
539
540type_init(pl110_register_types)
541
