1 /*
2 * Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/bus.h>
33 #include <sys/kernel.h>
34 #include <sys/module.h>
35 #include <sys/malloc.h>
36 #include <sys/rman.h>
37 #include <sys/fbio.h>
38 #include <sys/consio.h>
39 #include <sys/kdb.h>
40
41 #include <machine/bus.h>
42 #include <machine/cpu.h>
43 #include <machine/intr.h>
44
45 #include <dev/fdt/fdt_common.h>
46 #include <dev/ofw/openfirm.h>
47 #include <dev/ofw/ofw_bus.h>
48 #include <dev/ofw/ofw_bus_subr.h>
49
50 #include <dev/fb/fbreg.h>
51 #include <dev/syscons/syscons.h>
52
53 #include <machine/bus.h>
54 #include <machine/fdt.h>
55
56 #define PL110_VENDOR_ARM926PXP 1
57
58 #define MEM_SYS 0
59 #define MEM_CLCD 1
60 #define MEM_REGIONS 2
61
62 #define SYS_CLCD 0x00
63 #define SYS_CLCD_CLCDID_SHIFT 0x08
64 #define SYS_CLCD_CLCDID_MASK 0x1f
65 #define SYS_CLCD_PWR3V5VSWITCH (1 << 4)
66 #define SYS_CLCD_VDDPOSSWITCH (1 << 3)
67 #define SYS_CLCD_NLCDIOON (1 << 2)
68 #define SYS_CLCD_LCD_MODE_MASK 0x03
69
70 #define CLCD_MODE_RGB888 0x0
71 #define CLCD_MODE_RGB555 0x01
72 #define CLCD_MODE_RBG565 0x02
73 #define CLCD_MODE_RGB565 0x03
74
75 #define CLCDC_TIMING0 0x00
76 #define CLCDC_TIMING1 0x04
77 #define CLCDC_TIMING2 0x08
78 #define CLCDC_TIMING3 0x0C
79 #define CLCDC_TIMING3 0x0C
80 #define CLCDC_UPBASE 0x10
81 #define CLCDC_LPBASE 0x14
82 #ifdef PL110_VENDOR_ARM926PXP
83 #define CLCDC_CONTROL 0x18
84 #define CLCDC_IMSC 0x1C
85 #else
86 #define CLCDC_IMSC 0x18
87 #define CLCDC_CONTROL 0x1C
88 #endif
89 #define CONTROL_WATERMARK (1 << 16)
90 #define CONTROL_VCOMP_VS (0 << 12)
91 #define CONTROL_VCOMP_BP (1 << 12)
92 #define CONTROL_VCOMP_SAV (2 << 12)
93 #define CONTROL_VCOMP_FP (3 << 12)
94 #define CONTROL_PWR (1 << 11)
95 #define CONTROL_BEPO (1 << 10)
96 #define CONTROL_BEBO (1 << 9)
97 #define CONTROL_BGR (1 << 8)
98 #define CONTROL_DUAL (1 << 7)
99 #define CONTROL_MONO8 (1 << 6)
100 #define CONTROL_TFT (1 << 5)
101 #define CONTROL_BW (1 << 4)
102 #define CONTROL_BPP1 (0x00 << 1)
103 #define CONTROL_BPP2 (0x01 << 1)
104 #define CONTROL_BPP4 (0x02 << 1)
105 #define CONTROL_BPP8 (0x03 << 1)
106 #define CONTROL_BPP16 (0x04 << 1)
107 #define CONTROL_BPP24 (0x05 << 1)
108 #define CONTROL_EN (1 << 0)
109 #define CLCDC_RIS 0x20
110 #define CLCDC_MIS 0x24
111 #define INTR_MBERR (1 << 4)
112 #define INTR_VCOMP (1 << 3)
113 #define INTR_LNB (1 << 2)
114 #define INTR_FUF (1 << 1)
115 #define CLCDC_ICR 0x28
116
117 #ifdef DEBUG
118 #define dprintf(fmt, args...) do { printf("%s(): ", __func__); \
119 printf(fmt,##args); } while (0)
120 #else
121 #define dprintf(fmt, args...)
122 #endif
123
124 #define versatile_clcdc_sys_read_4(sc, reg) \
125 bus_read_4((sc)->mem_res[MEM_SYS], (reg))
126 #define versatile_clcdc_sys_write_4(sc, reg, val) \
127 bus_write_4((sc)->mem_res[MEM_SYS], (reg), (val))
128
129 #define versatile_clcdc_read_4(sc, reg) \
130 bus_read_4((sc)->mem_res[MEM_CLCD], (reg))
131 #define versatile_clcdc_write_4(sc, reg, val) \
132 bus_write_4((sc)->mem_res[MEM_CLCD], (reg), (val))
133
134 struct versatile_clcdc_softc {
135 struct resource* mem_res[MEM_REGIONS];
136
137 struct mtx mtx;
138
139 int width;
140 int height;
141 int mode;
142
143 bus_dma_tag_t dma_tag;
144 bus_dmamap_t dma_map;
145 bus_addr_t fb_phys;
146 uint8_t *fb_base;
147
148 };
149
150 struct video_adapter_softc {
151 /* Videoadpater part */
152 video_adapter_t va;
153 int console;
154
155 intptr_t fb_addr;
156 unsigned int fb_size;
157
158 unsigned int height;
159 unsigned int width;
160 unsigned int depth;
161 unsigned int stride;
162
163 unsigned int xmargin;
164 unsigned int ymargin;
165
166 unsigned char *font;
167 int initialized;
168 };
169
170 struct argb {
171 uint8_t a;
172 uint8_t r;
173 uint8_t g;
174 uint8_t b;
175 };
176
177 static struct argb versatilefb_palette[16] = {
178 {0x00, 0x00, 0x00, 0x00},
179 {0x00, 0x00, 0x00, 0xaa},
180 {0x00, 0x00, 0xaa, 0x00},
181 {0x00, 0x00, 0xaa, 0xaa},
182 {0x00, 0xaa, 0x00, 0x00},
183 {0x00, 0xaa, 0x00, 0xaa},
184 {0x00, 0xaa, 0x55, 0x00},
185 {0x00, 0xaa, 0xaa, 0xaa},
186 {0x00, 0x55, 0x55, 0x55},
187 {0x00, 0x55, 0x55, 0xff},
188 {0x00, 0x55, 0xff, 0x55},
189 {0x00, 0x55, 0xff, 0xff},
190 {0x00, 0xff, 0x55, 0x55},
191 {0x00, 0xff, 0x55, 0xff},
192 {0x00, 0xff, 0xff, 0x55},
193 {0x00, 0xff, 0xff, 0xff}
194 };
195
196 /* mouse pointer from dev/syscons/scgfbrndr.c */
197 static u_char mouse_pointer[16] = {
198 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68,
199 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00
200 };
201
202 #define FB_WIDTH 640
203 #define FB_HEIGHT 480
204 #define FB_DEPTH 16
205
206 #define VERSATILE_FONT_HEIGHT 16
207
208 static struct video_adapter_softc va_softc;
209
210 static struct resource_spec versatile_clcdc_mem_spec[] = {
211 { SYS_RES_MEMORY, 0, RF_ACTIVE },
212 { SYS_RES_MEMORY, 1, RF_ACTIVE },
213 { -1, 0, 0 }
214 };
215
216 static int versatilefb_configure(int);
217 static void versatilefb_update_margins(video_adapter_t *adp);
218
219 static void
220 versatile_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err)
221 {
222 bus_addr_t *addr;
223
224 if (err)
225 return;
226
227 addr = (bus_addr_t*)arg;
228 *addr = segs[0].ds_addr;
229 }
230
231 static int
232 versatile_clcdc_probe(device_t dev)
233 {
234
235 if (!ofw_bus_status_okay(dev))
236 return (ENXIO);
237
238 if (ofw_bus_is_compatible(dev, "arm,pl110")) {
239 device_set_desc(dev, "PL110 CLCD controller");
240 return (BUS_PROBE_DEFAULT);
241 }
242
243 return (ENXIO);
244 }
245
246 static int
247 versatile_clcdc_attach(device_t dev)
248 {
249 struct versatile_clcdc_softc *sc = device_get_softc(dev);
250 struct video_adapter_softc *va_sc = &va_softc;
251 int err;
252 uint32_t reg;
253 int clcdid;
254 int dma_size;
255
256 /* Request memory resources */
257 err = bus_alloc_resources(dev, versatile_clcdc_mem_spec,
258 sc->mem_res);
259 if (err) {
260 device_printf(dev, "Error: could not allocate memory resources\n");
261 return (ENXIO);
262 }
263
264 reg = versatile_clcdc_sys_read_4(sc, SYS_CLCD);
265 clcdid = (reg >> SYS_CLCD_CLCDID_SHIFT) & SYS_CLCD_CLCDID_MASK;
266 switch (clcdid) {
267 case 31:
268 device_printf(dev, "QEMU VGA 640x480\n");
269 sc->width = 640;
270 sc->height = 480;
271 break;
272 default:
273 device_printf(dev, "Unsupported: %d\n", clcdid);
274 goto fail;
275 }
276
277 reg &= ~SYS_CLCD_LCD_MODE_MASK;
278 reg |= CLCD_MODE_RGB565;
279 sc->mode = CLCD_MODE_RGB565;
280 versatile_clcdc_sys_write_4(sc, SYS_CLCD, reg);
281 dma_size = sc->width*sc->height*2;
282
283 /*
284 * Power on LCD
285 */
286 reg |= SYS_CLCD_PWR3V5VSWITCH | SYS_CLCD_NLCDIOON;
287 versatile_clcdc_sys_write_4(sc, SYS_CLCD, reg);
288
289 /*
290 * XXX: hardcoded timing for VGA. For other modes/panels
291 * we need to keep table of timing register values
292 */
293 /*
294 * XXX: set SYS_OSC1
295 */
296 versatile_clcdc_write_4(sc, CLCDC_TIMING0, 0x3F1F3F9C);
297 versatile_clcdc_write_4(sc, CLCDC_TIMING1, 0x090B61DF);
298 versatile_clcdc_write_4(sc, CLCDC_TIMING2, 0x067F1800);
299 /* XXX: timing 3? */
300
301 /*
302 * Now allocate framebuffer memory
303 */
304 err = bus_dma_tag_create(
305 bus_get_dma_tag(dev),
306 4, 0, /* alignment, boundary */
307 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
308 BUS_SPACE_MAXADDR, /* highaddr */
309 NULL, NULL, /* filter, filterarg */
310 dma_size, 1, /* maxsize, nsegments */
311 dma_size, 0, /* maxsegsize, flags */
312 NULL, NULL, /* lockfunc, lockarg */
313 &sc->dma_tag);
314
315 err = bus_dmamem_alloc(sc->dma_tag, (void **)&sc->fb_base,
316 0, &sc->dma_map);
317 if (err) {
318 device_printf(dev, "cannot allocate framebuffer\n");
319 goto fail;
320 }
321
322 err = bus_dmamap_load(sc->dma_tag, sc->dma_map, sc->fb_base,
323 dma_size, versatile_fb_dmamap_cb, &sc->fb_phys, BUS_DMA_NOWAIT);
324
325 if (err) {
326 device_printf(dev, "cannot load DMA map\n");
327 goto fail;
328 }
329
330 /* Make sure it's blank */
331 memset(sc->fb_base, 0x00, dma_size);
332
333 versatile_clcdc_write_4(sc, CLCDC_UPBASE, sc->fb_phys);
334
335 err = (sc_attach_unit(device_get_unit(dev),
336 device_get_flags(dev) | SC_AUTODETECT_KBD));
337
338 if (err) {
339 device_printf(dev, "failed to attach syscons\n");
340 goto fail;
341 }
342
343 /*
344 * XXX: hardcoded for VGA
345 */
346 reg = CONTROL_VCOMP_BP | CONTROL_TFT | CONTROL_BGR | CONTROL_EN;
347 reg |= CONTROL_BPP16;
348 versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg);
349 DELAY(20);
350 reg |= CONTROL_PWR;
351 versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg);
352
353 va_sc->fb_addr = (vm_offset_t)sc->fb_base;
354 va_sc->fb_size = dma_size;
355 va_sc->width = sc->width;
356 va_sc->height = sc->height;
357 va_sc->depth = 16;
358 va_sc->stride = sc->width * 2;
359 versatilefb_update_margins(&va_sc->va);
360
361 return (0);
362
363 fail:
364 if (sc->fb_base)
365 bus_dmamem_free(sc->dma_tag, sc->fb_base, sc->dma_map);
366 if (sc->dma_map)
367 bus_dmamap_destroy(sc->dma_tag, sc->dma_map);
368 if (sc->dma_tag)
369 bus_dma_tag_destroy(sc->dma_tag);
370 return (err);
371 }
372
373 static device_method_t versatile_clcdc_methods[] = {
374 DEVMETHOD(device_probe, versatile_clcdc_probe),
375 DEVMETHOD(device_attach, versatile_clcdc_attach),
376
377 DEVMETHOD_END
378 };
379
380 static driver_t versatile_clcdc_driver = {
381 "clcdc",
382 versatile_clcdc_methods,
383 sizeof(struct versatile_clcdc_softc),
384 };
385
386 static devclass_t versatile_clcdc_devclass;
387
388 DRIVER_MODULE(versatile_clcdc, simplebus, versatile_clcdc_driver, versatile_clcdc_devclass, 0, 0);
389
390 /*
391 * Video driver routines and glue.
392 */
393 static vi_probe_t versatilefb_probe;
394 static vi_init_t versatilefb_init;
395 static vi_get_info_t versatilefb_get_info;
396 static vi_query_mode_t versatilefb_query_mode;
397 static vi_set_mode_t versatilefb_set_mode;
398 static vi_save_font_t versatilefb_save_font;
399 static vi_load_font_t versatilefb_load_font;
400 static vi_show_font_t versatilefb_show_font;
401 static vi_save_palette_t versatilefb_save_palette;
402 static vi_load_palette_t versatilefb_load_palette;
403 static vi_set_border_t versatilefb_set_border;
404 static vi_save_state_t versatilefb_save_state;
405 static vi_load_state_t versatilefb_load_state;
406 static vi_set_win_org_t versatilefb_set_win_org;
407 static vi_read_hw_cursor_t versatilefb_read_hw_cursor;
408 static vi_set_hw_cursor_t versatilefb_set_hw_cursor;
409 static vi_set_hw_cursor_shape_t versatilefb_set_hw_cursor_shape;
410 static vi_blank_display_t versatilefb_blank_display;
411 static vi_mmap_t versatilefb_mmap;
412 static vi_ioctl_t versatilefb_ioctl;
413 static vi_clear_t versatilefb_clear;
414 static vi_fill_rect_t versatilefb_fill_rect;
415 static vi_bitblt_t versatilefb_bitblt;
416 static vi_diag_t versatilefb_diag;
417 static vi_save_cursor_palette_t versatilefb_save_cursor_palette;
418 static vi_load_cursor_palette_t versatilefb_load_cursor_palette;
419 static vi_copy_t versatilefb_copy;
420 static vi_putp_t versatilefb_putp;
421 static vi_putc_t versatilefb_putc;
422 static vi_puts_t versatilefb_puts;
423 static vi_putm_t versatilefb_putm;
424
425 static video_switch_t versatilefbvidsw = {
426 .probe = versatilefb_probe,
427 .init = versatilefb_init,
428 .get_info = versatilefb_get_info,
429 .query_mode = versatilefb_query_mode,
430 .set_mode = versatilefb_set_mode,
431 .save_font = versatilefb_save_font,
432 .load_font = versatilefb_load_font,
433 .show_font = versatilefb_show_font,
434 .save_palette = versatilefb_save_palette,
435 .load_palette = versatilefb_load_palette,
436 .set_border = versatilefb_set_border,
437 .save_state = versatilefb_save_state,
438 .load_state = versatilefb_load_state,
439 .set_win_org = versatilefb_set_win_org,
440 .read_hw_cursor = versatilefb_read_hw_cursor,
441 .set_hw_cursor = versatilefb_set_hw_cursor,
442 .set_hw_cursor_shape = versatilefb_set_hw_cursor_shape,
443 .blank_display = versatilefb_blank_display,
444 .mmap = versatilefb_mmap,
445 .ioctl = versatilefb_ioctl,
446 .clear = versatilefb_clear,
447 .fill_rect = versatilefb_fill_rect,
448 .bitblt = versatilefb_bitblt,
449 .diag = versatilefb_diag,
450 .save_cursor_palette = versatilefb_save_cursor_palette,
451 .load_cursor_palette = versatilefb_load_cursor_palette,
452 .copy = versatilefb_copy,
453 .putp = versatilefb_putp,
454 .putc = versatilefb_putc,
455 .puts = versatilefb_puts,
456 .putm = versatilefb_putm,
457 };
458
459 VIDEO_DRIVER(versatilefb, versatilefbvidsw, versatilefb_configure);
460
461 static vr_init_t clcdr_init;
462 static vr_clear_t clcdr_clear;
463 static vr_draw_border_t clcdr_draw_border;
464 static vr_draw_t clcdr_draw;
465 static vr_set_cursor_t clcdr_set_cursor;
466 static vr_draw_cursor_t clcdr_draw_cursor;
467 static vr_blink_cursor_t clcdr_blink_cursor;
468 static vr_set_mouse_t clcdr_set_mouse;
469 static vr_draw_mouse_t clcdr_draw_mouse;
470
471 /*
472 * We use our own renderer; this is because we must emulate a hardware
473 * cursor.
474 */
475 static sc_rndr_sw_t clcdrend = {
476 clcdr_init,
477 clcdr_clear,
478 clcdr_draw_border,
479 clcdr_draw,
480 clcdr_set_cursor,
481 clcdr_draw_cursor,
482 clcdr_blink_cursor,
483 clcdr_set_mouse,
484 clcdr_draw_mouse
485 };
486
487 RENDERER(versatilefb, 0, clcdrend, gfb_set);
488 RENDERER_MODULE(versatilefb, gfb_set);
489
490 static void
491 clcdr_init(scr_stat* scp)
492 {
493 }
494
495 static void
496 clcdr_clear(scr_stat* scp, int c, int attr)
497 {
498 }
499
500 static void
501 clcdr_draw_border(scr_stat* scp, int color)
502 {
503 }
504
505 static void
506 clcdr_draw(scr_stat* scp, int from, int count, int flip)
507 {
508 video_adapter_t* adp = scp->sc->adp;
509 int i, c, a;
510
511 if (!flip) {
512 /* Normal printing */
513 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count);
514 } else {
515 /* This is for selections and such: invert the color attribute */
516 for (i = count; i-- > 0; ++from) {
517 c = sc_vtb_getc(&scp->vtb, from);
518 a = sc_vtb_geta(&scp->vtb, from) >> 8;
519 vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4));
520 }
521 }
522 }
523
524 static void
525 clcdr_set_cursor(scr_stat* scp, int base, int height, int blink)
526 {
527 }
528
529 static void
530 clcdr_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip)
531 {
532 video_adapter_t* adp = scp->sc->adp;
533 struct video_adapter_softc *sc;
534 int row, col;
535 uint8_t *addr;
536 int i,j;
537
538 sc = (struct video_adapter_softc *)adp;
539
540 if (scp->curs_attr.height <= 0)
541 return;
542
543 if (sc->fb_addr == 0)
544 return;
545
546 if (off >= adp->va_info.vi_width * adp->va_info.vi_height)
547 return;
548
549 /* calculate the coordinates in the video buffer */
550 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
551 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
552
553 addr = (uint8_t *)sc->fb_addr
554 + (row + sc->ymargin)*(sc->stride)
555 + (sc->depth/8) * (col + sc->xmargin);
556
557 /* our cursor consists of simply inverting the char under it */
558 for (i = 0; i < adp->va_info.vi_cheight; i++) {
559 for (j = 0; j < adp->va_info.vi_cwidth; j++) {
560
561 addr[2*j] ^= 0xff;
562 addr[2*j + 1] ^= 0xff;
563 }
564
565 addr += sc->stride;
566 }
567 }
568
569 static void
570 clcdr_blink_cursor(scr_stat* scp, int at, int flip)
571 {
572 }
573
574 static void
575 clcdr_set_mouse(scr_stat* scp)
576 {
577 }
578
579 static void
580 clcdr_draw_mouse(scr_stat* scp, int x, int y, int on)
581 {
582 vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8);
583
584 }
585
586 static uint16_t versatilefb_static_window[ROW*COL];
587 extern u_char dflt_font_16[];
588
589 /*
590 * Update videoadapter settings after changing resolution
591 */
592 static void
593 versatilefb_update_margins(video_adapter_t *adp)
594 {
595 struct video_adapter_softc *sc;
596 video_info_t *vi;
597
598 sc = (struct video_adapter_softc *)adp;
599 vi = &adp->va_info;
600
601 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
602 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
603 }
604
605 static int
606 versatilefb_configure(int flags)
607 {
608 struct video_adapter_softc *va_sc;
609
610 va_sc = &va_softc;
611
612 if (va_sc->initialized)
613 return (0);
614
615 va_sc->width = FB_WIDTH;
616 va_sc->height = FB_HEIGHT;
617 va_sc->depth = FB_DEPTH;
618
619 versatilefb_init(0, &va_sc->va, 0);
620
621 va_sc->initialized = 1;
622
623 return (0);
624 }
625
626 static int
627 versatilefb_probe(int unit, video_adapter_t **adp, void *arg, int flags)
628 {
629
630 return (0);
631 }
632
633 static int
634 versatilefb_init(int unit, video_adapter_t *adp, int flags)
635 {
636 struct video_adapter_softc *sc;
637 video_info_t *vi;
638
639 sc = (struct video_adapter_softc *)adp;
640 vi = &adp->va_info;
641
642 vid_init_struct(adp, "versatilefb", -1, unit);
643
644 sc->font = dflt_font_16;
645 vi->vi_cheight = VERSATILE_FONT_HEIGHT;
646 vi->vi_cwidth = 8;
647
648 vi->vi_width = sc->width/8;
649 vi->vi_height = sc->height/vi->vi_cheight;
650
651 /*
652 * Clamp width/height to syscons maximums
653 */
654 if (vi->vi_width > COL)
655 vi->vi_width = COL;
656 if (vi->vi_height > ROW)
657 vi->vi_height = ROW;
658
659 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
660 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
661
662
663 adp->va_window = (vm_offset_t) versatilefb_static_window;
664 adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */;
665
666 vid_register(&sc->va);
667
668 return (0);
669 }
670
671 static int
672 versatilefb_get_info(video_adapter_t *adp, int mode, video_info_t *info)
673 {
674 bcopy(&adp->va_info, info, sizeof(*info));
675 return (0);
676 }
677
678 static int
679 versatilefb_query_mode(video_adapter_t *adp, video_info_t *info)
680 {
681 return (0);
682 }
683
684 static int
685 versatilefb_set_mode(video_adapter_t *adp, int mode)
686 {
687 return (0);
688 }
689
690 static int
691 versatilefb_save_font(video_adapter_t *adp, int page, int size, int width,
692 u_char *data, int c, int count)
693 {
694 return (0);
695 }
696
697 static int
698 versatilefb_load_font(video_adapter_t *adp, int page, int size, int width,
699 u_char *data, int c, int count)
700 {
701 struct video_adapter_softc *sc = (struct video_adapter_softc *)adp;
702
703 sc->font = data;
704
705 return (0);
706 }
707
708 static int
709 versatilefb_show_font(video_adapter_t *adp, int page)
710 {
711 return (0);
712 }
713
714 static int
715 versatilefb_save_palette(video_adapter_t *adp, u_char *palette)
716 {
717 return (0);
718 }
719
720 static int
721 versatilefb_load_palette(video_adapter_t *adp, u_char *palette)
722 {
723 return (0);
724 }
725
726 static int
727 versatilefb_set_border(video_adapter_t *adp, int border)
728 {
729 return (versatilefb_blank_display(adp, border));
730 }
731
732 static int
733 versatilefb_save_state(video_adapter_t *adp, void *p, size_t size)
734 {
735 return (0);
736 }
737
738 static int
739 versatilefb_load_state(video_adapter_t *adp, void *p)
740 {
741 return (0);
742 }
743
744 static int
745 versatilefb_set_win_org(video_adapter_t *adp, off_t offset)
746 {
747 return (0);
748 }
749
750 static int
751 versatilefb_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
752 {
753 *col = *row = 0;
754
755 return (0);
756 }
757
758 static int
759 versatilefb_set_hw_cursor(video_adapter_t *adp, int col, int row)
760 {
761
762 return (0);
763 }
764
765 static int
766 versatilefb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
767 int celsize, int blink)
768 {
769 return (0);
770 }
771
772 static int
773 versatilefb_blank_display(video_adapter_t *adp, int mode)
774 {
775
776 struct video_adapter_softc *sc;
777
778 sc = (struct video_adapter_softc *)adp;
779 if (sc && sc->fb_addr)
780 memset((void*)sc->fb_addr, 0, sc->fb_size);
781
782 return (0);
783 }
784
785 static int
786 versatilefb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr,
787 int prot, vm_memattr_t *memattr)
788 {
789 struct video_adapter_softc *sc;
790
791 sc = (struct video_adapter_softc *)adp;
792
793 /*
794 * This might be a legacy VGA mem request: if so, just point it at the
795 * framebuffer, since it shouldn't be touched
796 */
797 if (offset < sc->stride*sc->height) {
798 *paddr = sc->fb_addr + offset;
799 return (0);
800 }
801
802 return (EINVAL);
803 }
804
805 static int
806 versatilefb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
807 {
808
809 return (0);
810 }
811
812 static int
813 versatilefb_clear(video_adapter_t *adp)
814 {
815
816 return (versatilefb_blank_display(adp, 0));
817 }
818
819 static int
820 versatilefb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
821 {
822
823 return (0);
824 }
825
826 static int
827 versatilefb_bitblt(video_adapter_t *adp, ...)
828 {
829
830 return (0);
831 }
832
833 static int
834 versatilefb_diag(video_adapter_t *adp, int level)
835 {
836
837 return (0);
838 }
839
840 static int
841 versatilefb_save_cursor_palette(video_adapter_t *adp, u_char *palette)
842 {
843
844 return (0);
845 }
846
847 static int
848 versatilefb_load_cursor_palette(video_adapter_t *adp, u_char *palette)
849 {
850
851 return (0);
852 }
853
854 static int
855 versatilefb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
856 {
857
858 return (0);
859 }
860
861 static int
862 versatilefb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a,
863 int size, int bpp, int bit_ltor, int byte_ltor)
864 {
865
866 return (0);
867 }
868
869 static int
870 versatilefb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a)
871 {
872 struct video_adapter_softc *sc;
873 int row;
874 int col;
875 int i, j, k;
876 uint8_t *addr;
877 u_char *p;
878 uint8_t fg, bg, color;
879 uint16_t rgb;
880
881 sc = (struct video_adapter_softc *)adp;
882
883 if (sc->fb_addr == 0)
884 return (0);
885
886 if (off >= adp->va_info.vi_width * adp->va_info.vi_height)
887 return (0);
888
889 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
890 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
891 p = sc->font + c*VERSATILE_FONT_HEIGHT;
892 addr = (uint8_t *)sc->fb_addr
893 + (row + sc->ymargin)*(sc->stride)
894 + (sc->depth/8) * (col + sc->xmargin);
895
896 fg = a & 0xf ;
897 bg = (a >> 4) & 0xf;
898
899 for (i = 0; i < VERSATILE_FONT_HEIGHT; i++) {
900 for (j = 0, k = 7; j < 8; j++, k--) {
901 if ((p[i] & (1 << k)) == 0)
902 color = bg;
903 else
904 color = fg;
905
906 switch (sc->depth) {
907 case 16:
908 rgb = (versatilefb_palette[color].r >> 3) << 11;
909 rgb |= (versatilefb_palette[color].g >> 2) << 5;
910 rgb |= (versatilefb_palette[color].b >> 3);
911 addr[2*j] = rgb & 0xff;
912 addr[2*j + 1] = (rgb >> 8) & 0xff;
913 default:
914 /* Not supported yet */
915 break;
916 }
917 }
918
919 addr += (sc->stride);
920 }
921
922 return (0);
923 }
924
925 static int
926 versatilefb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
927 {
928 int i;
929
930 for (i = 0; i < len; i++)
931 versatilefb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8);
932
933 return (0);
934 }
935
936 static int
937 versatilefb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
938 uint32_t pixel_mask, int size, int width)
939 {
940
941 return (0);
942 }
943
944 /*
945 * Define a stub keyboard driver in case one hasn't been
946 * compiled into the kernel
947 */
948 #include <sys/kbio.h>
949 #include <dev/kbd/kbdreg.h>
950
951 static int dummy_kbd_configure(int flags);
952
953 keyboard_switch_t bcmdummysw;
954
955 static int
956 dummy_kbd_configure(int flags)
957 {
958
959 return (0);
960 }
961 KEYBOARD_DRIVER(bcmdummy, bcmdummysw, dummy_kbd_configure);
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