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: releng/11.1/sys/arm/versatile/versatile_clcd.c 281085 2015-04-04 21:34:26Z andrew $");
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
55 #define PL110_VENDOR_ARM926PXP 1
56
57 #define MEM_SYS 0
58 #define MEM_CLCD 1
59 #define MEM_REGIONS 2
60
61 #define SYS_CLCD 0x00
62 #define SYS_CLCD_CLCDID_SHIFT 0x08
63 #define SYS_CLCD_CLCDID_MASK 0x1f
64 #define SYS_CLCD_PWR3V5VSWITCH (1 << 4)
65 #define SYS_CLCD_VDDPOSSWITCH (1 << 3)
66 #define SYS_CLCD_NLCDIOON (1 << 2)
67 #define SYS_CLCD_LCD_MODE_MASK 0x03
68
69 #define CLCD_MODE_RGB888 0x0
70 #define CLCD_MODE_RGB555 0x01
71 #define CLCD_MODE_RBG565 0x02
72 #define CLCD_MODE_RGB565 0x03
73
74 #define CLCDC_TIMING0 0x00
75 #define CLCDC_TIMING1 0x04
76 #define CLCDC_TIMING2 0x08
77 #define CLCDC_TIMING3 0x0C
78 #define CLCDC_TIMING3 0x0C
79 #define CLCDC_UPBASE 0x10
80 #define CLCDC_LPBASE 0x14
81 #ifdef PL110_VENDOR_ARM926PXP
82 #define CLCDC_CONTROL 0x18
83 #define CLCDC_IMSC 0x1C
84 #else
85 #define CLCDC_IMSC 0x18
86 #define CLCDC_CONTROL 0x1C
87 #endif
88 #define CONTROL_WATERMARK (1 << 16)
89 #define CONTROL_VCOMP_VS (0 << 12)
90 #define CONTROL_VCOMP_BP (1 << 12)
91 #define CONTROL_VCOMP_SAV (2 << 12)
92 #define CONTROL_VCOMP_FP (3 << 12)
93 #define CONTROL_PWR (1 << 11)
94 #define CONTROL_BEPO (1 << 10)
95 #define CONTROL_BEBO (1 << 9)
96 #define CONTROL_BGR (1 << 8)
97 #define CONTROL_DUAL (1 << 7)
98 #define CONTROL_MONO8 (1 << 6)
99 #define CONTROL_TFT (1 << 5)
100 #define CONTROL_BW (1 << 4)
101 #define CONTROL_BPP1 (0x00 << 1)
102 #define CONTROL_BPP2 (0x01 << 1)
103 #define CONTROL_BPP4 (0x02 << 1)
104 #define CONTROL_BPP8 (0x03 << 1)
105 #define CONTROL_BPP16 (0x04 << 1)
106 #define CONTROL_BPP24 (0x05 << 1)
107 #define CONTROL_EN (1 << 0)
108 #define CLCDC_RIS 0x20
109 #define CLCDC_MIS 0x24
110 #define INTR_MBERR (1 << 4)
111 #define INTR_VCOMP (1 << 3)
112 #define INTR_LNB (1 << 2)
113 #define INTR_FUF (1 << 1)
114 #define CLCDC_ICR 0x28
115
116 #ifdef DEBUG
117 #define dprintf(fmt, args...) do { printf("%s(): ", __func__); \
118 printf(fmt,##args); } while (0)
119 #else
120 #define dprintf(fmt, args...)
121 #endif
122
123 #define versatile_clcdc_sys_read_4(sc, reg) \
124 bus_read_4((sc)->mem_res[MEM_SYS], (reg))
125 #define versatile_clcdc_sys_write_4(sc, reg, val) \
126 bus_write_4((sc)->mem_res[MEM_SYS], (reg), (val))
127
128 #define versatile_clcdc_read_4(sc, reg) \
129 bus_read_4((sc)->mem_res[MEM_CLCD], (reg))
130 #define versatile_clcdc_write_4(sc, reg, val) \
131 bus_write_4((sc)->mem_res[MEM_CLCD], (reg), (val))
132
133 struct versatile_clcdc_softc {
134 struct resource* mem_res[MEM_REGIONS];
135
136 struct mtx mtx;
137
138 int width;
139 int height;
140 int mode;
141
142 bus_dma_tag_t dma_tag;
143 bus_dmamap_t dma_map;
144 bus_addr_t fb_phys;
145 uint8_t *fb_base;
146
147 };
148
149 struct video_adapter_softc {
150 /* Videoadpater part */
151 video_adapter_t va;
152 int console;
153
154 intptr_t fb_addr;
155 unsigned int fb_size;
156
157 unsigned int height;
158 unsigned int width;
159 unsigned int depth;
160 unsigned int stride;
161
162 unsigned int xmargin;
163 unsigned int ymargin;
164
165 unsigned char *font;
166 int initialized;
167 };
168
169 struct argb {
170 uint8_t a;
171 uint8_t r;
172 uint8_t g;
173 uint8_t b;
174 };
175
176 static struct argb versatilefb_palette[16] = {
177 {0x00, 0x00, 0x00, 0x00},
178 {0x00, 0x00, 0x00, 0xaa},
179 {0x00, 0x00, 0xaa, 0x00},
180 {0x00, 0x00, 0xaa, 0xaa},
181 {0x00, 0xaa, 0x00, 0x00},
182 {0x00, 0xaa, 0x00, 0xaa},
183 {0x00, 0xaa, 0x55, 0x00},
184 {0x00, 0xaa, 0xaa, 0xaa},
185 {0x00, 0x55, 0x55, 0x55},
186 {0x00, 0x55, 0x55, 0xff},
187 {0x00, 0x55, 0xff, 0x55},
188 {0x00, 0x55, 0xff, 0xff},
189 {0x00, 0xff, 0x55, 0x55},
190 {0x00, 0xff, 0x55, 0xff},
191 {0x00, 0xff, 0xff, 0x55},
192 {0x00, 0xff, 0xff, 0xff}
193 };
194
195 /* mouse pointer from dev/syscons/scgfbrndr.c */
196 static u_char mouse_pointer[16] = {
197 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68,
198 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00
199 };
200
201 #define FB_WIDTH 640
202 #define FB_HEIGHT 480
203 #define FB_DEPTH 16
204
205 #define VERSATILE_FONT_HEIGHT 16
206
207 static struct video_adapter_softc va_softc;
208
209 static struct resource_spec versatile_clcdc_mem_spec[] = {
210 { SYS_RES_MEMORY, 0, RF_ACTIVE },
211 { SYS_RES_MEMORY, 1, RF_ACTIVE },
212 { -1, 0, 0 }
213 };
214
215 static int versatilefb_configure(int);
216 static void versatilefb_update_margins(video_adapter_t *adp);
217
218 static void
219 versatile_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err)
220 {
221 bus_addr_t *addr;
222
223 if (err)
224 return;
225
226 addr = (bus_addr_t*)arg;
227 *addr = segs[0].ds_addr;
228 }
229
230 static int
231 versatile_clcdc_probe(device_t dev)
232 {
233
234 if (!ofw_bus_status_okay(dev))
235 return (ENXIO);
236
237 if (ofw_bus_is_compatible(dev, "arm,pl110")) {
238 device_set_desc(dev, "PL110 CLCD controller");
239 return (BUS_PROBE_DEFAULT);
240 }
241
242 return (ENXIO);
243 }
244
245 static int
246 versatile_clcdc_attach(device_t dev)
247 {
248 struct versatile_clcdc_softc *sc = device_get_softc(dev);
249 struct video_adapter_softc *va_sc = &va_softc;
250 int err;
251 uint32_t reg;
252 int clcdid;
253 int dma_size;
254
255 /* Request memory resources */
256 err = bus_alloc_resources(dev, versatile_clcdc_mem_spec,
257 sc->mem_res);
258 if (err) {
259 device_printf(dev, "Error: could not allocate memory resources\n");
260 return (ENXIO);
261 }
262
263 reg = versatile_clcdc_sys_read_4(sc, SYS_CLCD);
264 clcdid = (reg >> SYS_CLCD_CLCDID_SHIFT) & SYS_CLCD_CLCDID_MASK;
265 switch (clcdid) {
266 case 31:
267 device_printf(dev, "QEMU VGA 640x480\n");
268 sc->width = 640;
269 sc->height = 480;
270 break;
271 default:
272 device_printf(dev, "Unsupported: %d\n", clcdid);
273 goto fail;
274 }
275
276 reg &= ~SYS_CLCD_LCD_MODE_MASK;
277 reg |= CLCD_MODE_RGB565;
278 sc->mode = CLCD_MODE_RGB565;
279 versatile_clcdc_sys_write_4(sc, SYS_CLCD, reg);
280 dma_size = sc->width*sc->height*2;
281
282 /*
283 * Power on LCD
284 */
285 reg |= SYS_CLCD_PWR3V5VSWITCH | SYS_CLCD_NLCDIOON;
286 versatile_clcdc_sys_write_4(sc, SYS_CLCD, reg);
287
288 /*
289 * XXX: hardcoded timing for VGA. For other modes/panels
290 * we need to keep table of timing register values
291 */
292 /*
293 * XXX: set SYS_OSC1
294 */
295 versatile_clcdc_write_4(sc, CLCDC_TIMING0, 0x3F1F3F9C);
296 versatile_clcdc_write_4(sc, CLCDC_TIMING1, 0x090B61DF);
297 versatile_clcdc_write_4(sc, CLCDC_TIMING2, 0x067F1800);
298 /* XXX: timing 3? */
299
300 /*
301 * Now allocate framebuffer memory
302 */
303 err = bus_dma_tag_create(
304 bus_get_dma_tag(dev),
305 4, 0, /* alignment, boundary */
306 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
307 BUS_SPACE_MAXADDR, /* highaddr */
308 NULL, NULL, /* filter, filterarg */
309 dma_size, 1, /* maxsize, nsegments */
310 dma_size, 0, /* maxsegsize, flags */
311 NULL, NULL, /* lockfunc, lockarg */
312 &sc->dma_tag);
313
314 err = bus_dmamem_alloc(sc->dma_tag, (void **)&sc->fb_base,
315 0, &sc->dma_map);
316 if (err) {
317 device_printf(dev, "cannot allocate framebuffer\n");
318 goto fail;
319 }
320
321 err = bus_dmamap_load(sc->dma_tag, sc->dma_map, sc->fb_base,
322 dma_size, versatile_fb_dmamap_cb, &sc->fb_phys, BUS_DMA_NOWAIT);
323
324 if (err) {
325 device_printf(dev, "cannot load DMA map\n");
326 goto fail;
327 }
328
329 /* Make sure it's blank */
330 memset(sc->fb_base, 0x00, dma_size);
331
332 versatile_clcdc_write_4(sc, CLCDC_UPBASE, sc->fb_phys);
333
334 err = (sc_attach_unit(device_get_unit(dev),
335 device_get_flags(dev) | SC_AUTODETECT_KBD));
336
337 if (err) {
338 device_printf(dev, "failed to attach syscons\n");
339 goto fail;
340 }
341
342 /*
343 * XXX: hardcoded for VGA
344 */
345 reg = CONTROL_VCOMP_BP | CONTROL_TFT | CONTROL_BGR | CONTROL_EN;
346 reg |= CONTROL_BPP16;
347 versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg);
348 DELAY(20);
349 reg |= CONTROL_PWR;
350 versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg);
351
352 va_sc->fb_addr = (vm_offset_t)sc->fb_base;
353 va_sc->fb_size = dma_size;
354 va_sc->width = sc->width;
355 va_sc->height = sc->height;
356 va_sc->depth = 16;
357 va_sc->stride = sc->width * 2;
358 versatilefb_update_margins(&va_sc->va);
359
360 return (0);
361
362 fail:
363 if (sc->fb_base)
364 bus_dmamem_free(sc->dma_tag, sc->fb_base, sc->dma_map);
365 if (sc->dma_tag)
366 bus_dma_tag_destroy(sc->dma_tag);
367 return (err);
368 }
369
370 static device_method_t versatile_clcdc_methods[] = {
371 DEVMETHOD(device_probe, versatile_clcdc_probe),
372 DEVMETHOD(device_attach, versatile_clcdc_attach),
373
374 DEVMETHOD_END
375 };
376
377 static driver_t versatile_clcdc_driver = {
378 "clcdc",
379 versatile_clcdc_methods,
380 sizeof(struct versatile_clcdc_softc),
381 };
382
383 static devclass_t versatile_clcdc_devclass;
384
385 DRIVER_MODULE(versatile_clcdc, simplebus, versatile_clcdc_driver, versatile_clcdc_devclass, 0, 0);
386
387 /*
388 * Video driver routines and glue.
389 */
390 static vi_probe_t versatilefb_probe;
391 static vi_init_t versatilefb_init;
392 static vi_get_info_t versatilefb_get_info;
393 static vi_query_mode_t versatilefb_query_mode;
394 static vi_set_mode_t versatilefb_set_mode;
395 static vi_save_font_t versatilefb_save_font;
396 static vi_load_font_t versatilefb_load_font;
397 static vi_show_font_t versatilefb_show_font;
398 static vi_save_palette_t versatilefb_save_palette;
399 static vi_load_palette_t versatilefb_load_palette;
400 static vi_set_border_t versatilefb_set_border;
401 static vi_save_state_t versatilefb_save_state;
402 static vi_load_state_t versatilefb_load_state;
403 static vi_set_win_org_t versatilefb_set_win_org;
404 static vi_read_hw_cursor_t versatilefb_read_hw_cursor;
405 static vi_set_hw_cursor_t versatilefb_set_hw_cursor;
406 static vi_set_hw_cursor_shape_t versatilefb_set_hw_cursor_shape;
407 static vi_blank_display_t versatilefb_blank_display;
408 static vi_mmap_t versatilefb_mmap;
409 static vi_ioctl_t versatilefb_ioctl;
410 static vi_clear_t versatilefb_clear;
411 static vi_fill_rect_t versatilefb_fill_rect;
412 static vi_bitblt_t versatilefb_bitblt;
413 static vi_diag_t versatilefb_diag;
414 static vi_save_cursor_palette_t versatilefb_save_cursor_palette;
415 static vi_load_cursor_palette_t versatilefb_load_cursor_palette;
416 static vi_copy_t versatilefb_copy;
417 static vi_putp_t versatilefb_putp;
418 static vi_putc_t versatilefb_putc;
419 static vi_puts_t versatilefb_puts;
420 static vi_putm_t versatilefb_putm;
421
422 static video_switch_t versatilefbvidsw = {
423 .probe = versatilefb_probe,
424 .init = versatilefb_init,
425 .get_info = versatilefb_get_info,
426 .query_mode = versatilefb_query_mode,
427 .set_mode = versatilefb_set_mode,
428 .save_font = versatilefb_save_font,
429 .load_font = versatilefb_load_font,
430 .show_font = versatilefb_show_font,
431 .save_palette = versatilefb_save_palette,
432 .load_palette = versatilefb_load_palette,
433 .set_border = versatilefb_set_border,
434 .save_state = versatilefb_save_state,
435 .load_state = versatilefb_load_state,
436 .set_win_org = versatilefb_set_win_org,
437 .read_hw_cursor = versatilefb_read_hw_cursor,
438 .set_hw_cursor = versatilefb_set_hw_cursor,
439 .set_hw_cursor_shape = versatilefb_set_hw_cursor_shape,
440 .blank_display = versatilefb_blank_display,
441 .mmap = versatilefb_mmap,
442 .ioctl = versatilefb_ioctl,
443 .clear = versatilefb_clear,
444 .fill_rect = versatilefb_fill_rect,
445 .bitblt = versatilefb_bitblt,
446 .diag = versatilefb_diag,
447 .save_cursor_palette = versatilefb_save_cursor_palette,
448 .load_cursor_palette = versatilefb_load_cursor_palette,
449 .copy = versatilefb_copy,
450 .putp = versatilefb_putp,
451 .putc = versatilefb_putc,
452 .puts = versatilefb_puts,
453 .putm = versatilefb_putm,
454 };
455
456 VIDEO_DRIVER(versatilefb, versatilefbvidsw, versatilefb_configure);
457
458 static vr_init_t clcdr_init;
459 static vr_clear_t clcdr_clear;
460 static vr_draw_border_t clcdr_draw_border;
461 static vr_draw_t clcdr_draw;
462 static vr_set_cursor_t clcdr_set_cursor;
463 static vr_draw_cursor_t clcdr_draw_cursor;
464 static vr_blink_cursor_t clcdr_blink_cursor;
465 static vr_set_mouse_t clcdr_set_mouse;
466 static vr_draw_mouse_t clcdr_draw_mouse;
467
468 /*
469 * We use our own renderer; this is because we must emulate a hardware
470 * cursor.
471 */
472 static sc_rndr_sw_t clcdrend = {
473 clcdr_init,
474 clcdr_clear,
475 clcdr_draw_border,
476 clcdr_draw,
477 clcdr_set_cursor,
478 clcdr_draw_cursor,
479 clcdr_blink_cursor,
480 clcdr_set_mouse,
481 clcdr_draw_mouse
482 };
483
484 RENDERER(versatilefb, 0, clcdrend, gfb_set);
485 RENDERER_MODULE(versatilefb, gfb_set);
486
487 static void
488 clcdr_init(scr_stat* scp)
489 {
490 }
491
492 static void
493 clcdr_clear(scr_stat* scp, int c, int attr)
494 {
495 }
496
497 static void
498 clcdr_draw_border(scr_stat* scp, int color)
499 {
500 }
501
502 static void
503 clcdr_draw(scr_stat* scp, int from, int count, int flip)
504 {
505 video_adapter_t* adp = scp->sc->adp;
506 int i, c, a;
507
508 if (!flip) {
509 /* Normal printing */
510 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count);
511 } else {
512 /* This is for selections and such: invert the color attribute */
513 for (i = count; i-- > 0; ++from) {
514 c = sc_vtb_getc(&scp->vtb, from);
515 a = sc_vtb_geta(&scp->vtb, from) >> 8;
516 vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4));
517 }
518 }
519 }
520
521 static void
522 clcdr_set_cursor(scr_stat* scp, int base, int height, int blink)
523 {
524 }
525
526 static void
527 clcdr_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip)
528 {
529 video_adapter_t* adp = scp->sc->adp;
530 struct video_adapter_softc *sc;
531 int row, col;
532 uint8_t *addr;
533 int i,j;
534
535 sc = (struct video_adapter_softc *)adp;
536
537 if (scp->curs_attr.height <= 0)
538 return;
539
540 if (sc->fb_addr == 0)
541 return;
542
543 if (off >= adp->va_info.vi_width * adp->va_info.vi_height)
544 return;
545
546 /* calculate the coordinates in the video buffer */
547 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
548 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
549
550 addr = (uint8_t *)sc->fb_addr
551 + (row + sc->ymargin)*(sc->stride)
552 + (sc->depth/8) * (col + sc->xmargin);
553
554 /* our cursor consists of simply inverting the char under it */
555 for (i = 0; i < adp->va_info.vi_cheight; i++) {
556 for (j = 0; j < adp->va_info.vi_cwidth; j++) {
557
558 addr[2*j] ^= 0xff;
559 addr[2*j + 1] ^= 0xff;
560 }
561
562 addr += sc->stride;
563 }
564 }
565
566 static void
567 clcdr_blink_cursor(scr_stat* scp, int at, int flip)
568 {
569 }
570
571 static void
572 clcdr_set_mouse(scr_stat* scp)
573 {
574 }
575
576 static void
577 clcdr_draw_mouse(scr_stat* scp, int x, int y, int on)
578 {
579 vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8);
580
581 }
582
583 static uint16_t versatilefb_static_window[ROW*COL];
584 extern u_char dflt_font_16[];
585
586 /*
587 * Update videoadapter settings after changing resolution
588 */
589 static void
590 versatilefb_update_margins(video_adapter_t *adp)
591 {
592 struct video_adapter_softc *sc;
593 video_info_t *vi;
594
595 sc = (struct video_adapter_softc *)adp;
596 vi = &adp->va_info;
597
598 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
599 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
600 }
601
602 static int
603 versatilefb_configure(int flags)
604 {
605 struct video_adapter_softc *va_sc;
606
607 va_sc = &va_softc;
608
609 if (va_sc->initialized)
610 return (0);
611
612 va_sc->width = FB_WIDTH;
613 va_sc->height = FB_HEIGHT;
614 va_sc->depth = FB_DEPTH;
615
616 versatilefb_init(0, &va_sc->va, 0);
617
618 va_sc->initialized = 1;
619
620 return (0);
621 }
622
623 static int
624 versatilefb_probe(int unit, video_adapter_t **adp, void *arg, int flags)
625 {
626
627 return (0);
628 }
629
630 static int
631 versatilefb_init(int unit, video_adapter_t *adp, int flags)
632 {
633 struct video_adapter_softc *sc;
634 video_info_t *vi;
635
636 sc = (struct video_adapter_softc *)adp;
637 vi = &adp->va_info;
638
639 vid_init_struct(adp, "versatilefb", -1, unit);
640
641 sc->font = dflt_font_16;
642 vi->vi_cheight = VERSATILE_FONT_HEIGHT;
643 vi->vi_cwidth = 8;
644
645 vi->vi_width = sc->width/8;
646 vi->vi_height = sc->height/vi->vi_cheight;
647
648 /*
649 * Clamp width/height to syscons maximums
650 */
651 if (vi->vi_width > COL)
652 vi->vi_width = COL;
653 if (vi->vi_height > ROW)
654 vi->vi_height = ROW;
655
656 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
657 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
658
659
660 adp->va_window = (vm_offset_t) versatilefb_static_window;
661 adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */;
662
663 vid_register(&sc->va);
664
665 return (0);
666 }
667
668 static int
669 versatilefb_get_info(video_adapter_t *adp, int mode, video_info_t *info)
670 {
671 bcopy(&adp->va_info, info, sizeof(*info));
672 return (0);
673 }
674
675 static int
676 versatilefb_query_mode(video_adapter_t *adp, video_info_t *info)
677 {
678 return (0);
679 }
680
681 static int
682 versatilefb_set_mode(video_adapter_t *adp, int mode)
683 {
684 return (0);
685 }
686
687 static int
688 versatilefb_save_font(video_adapter_t *adp, int page, int size, int width,
689 u_char *data, int c, int count)
690 {
691 return (0);
692 }
693
694 static int
695 versatilefb_load_font(video_adapter_t *adp, int page, int size, int width,
696 u_char *data, int c, int count)
697 {
698 struct video_adapter_softc *sc = (struct video_adapter_softc *)adp;
699
700 sc->font = data;
701
702 return (0);
703 }
704
705 static int
706 versatilefb_show_font(video_adapter_t *adp, int page)
707 {
708 return (0);
709 }
710
711 static int
712 versatilefb_save_palette(video_adapter_t *adp, u_char *palette)
713 {
714 return (0);
715 }
716
717 static int
718 versatilefb_load_palette(video_adapter_t *adp, u_char *palette)
719 {
720 return (0);
721 }
722
723 static int
724 versatilefb_set_border(video_adapter_t *adp, int border)
725 {
726 return (versatilefb_blank_display(adp, border));
727 }
728
729 static int
730 versatilefb_save_state(video_adapter_t *adp, void *p, size_t size)
731 {
732 return (0);
733 }
734
735 static int
736 versatilefb_load_state(video_adapter_t *adp, void *p)
737 {
738 return (0);
739 }
740
741 static int
742 versatilefb_set_win_org(video_adapter_t *adp, off_t offset)
743 {
744 return (0);
745 }
746
747 static int
748 versatilefb_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
749 {
750 *col = *row = 0;
751
752 return (0);
753 }
754
755 static int
756 versatilefb_set_hw_cursor(video_adapter_t *adp, int col, int row)
757 {
758
759 return (0);
760 }
761
762 static int
763 versatilefb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
764 int celsize, int blink)
765 {
766 return (0);
767 }
768
769 static int
770 versatilefb_blank_display(video_adapter_t *adp, int mode)
771 {
772
773 struct video_adapter_softc *sc;
774
775 sc = (struct video_adapter_softc *)adp;
776 if (sc && sc->fb_addr)
777 memset((void*)sc->fb_addr, 0, sc->fb_size);
778
779 return (0);
780 }
781
782 static int
783 versatilefb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr,
784 int prot, vm_memattr_t *memattr)
785 {
786 struct video_adapter_softc *sc;
787
788 sc = (struct video_adapter_softc *)adp;
789
790 /*
791 * This might be a legacy VGA mem request: if so, just point it at the
792 * framebuffer, since it shouldn't be touched
793 */
794 if (offset < sc->stride*sc->height) {
795 *paddr = sc->fb_addr + offset;
796 return (0);
797 }
798
799 return (EINVAL);
800 }
801
802 static int
803 versatilefb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
804 {
805
806 return (0);
807 }
808
809 static int
810 versatilefb_clear(video_adapter_t *adp)
811 {
812
813 return (versatilefb_blank_display(adp, 0));
814 }
815
816 static int
817 versatilefb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
818 {
819
820 return (0);
821 }
822
823 static int
824 versatilefb_bitblt(video_adapter_t *adp, ...)
825 {
826
827 return (0);
828 }
829
830 static int
831 versatilefb_diag(video_adapter_t *adp, int level)
832 {
833
834 return (0);
835 }
836
837 static int
838 versatilefb_save_cursor_palette(video_adapter_t *adp, u_char *palette)
839 {
840
841 return (0);
842 }
843
844 static int
845 versatilefb_load_cursor_palette(video_adapter_t *adp, u_char *palette)
846 {
847
848 return (0);
849 }
850
851 static int
852 versatilefb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
853 {
854
855 return (0);
856 }
857
858 static int
859 versatilefb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a,
860 int size, int bpp, int bit_ltor, int byte_ltor)
861 {
862
863 return (0);
864 }
865
866 static int
867 versatilefb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a)
868 {
869 struct video_adapter_softc *sc;
870 int row;
871 int col;
872 int i, j, k;
873 uint8_t *addr;
874 u_char *p;
875 uint8_t fg, bg, color;
876 uint16_t rgb;
877
878 sc = (struct video_adapter_softc *)adp;
879
880 if (sc->fb_addr == 0)
881 return (0);
882
883 if (off >= adp->va_info.vi_width * adp->va_info.vi_height)
884 return (0);
885
886 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
887 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
888 p = sc->font + c*VERSATILE_FONT_HEIGHT;
889 addr = (uint8_t *)sc->fb_addr
890 + (row + sc->ymargin)*(sc->stride)
891 + (sc->depth/8) * (col + sc->xmargin);
892
893 fg = a & 0xf ;
894 bg = (a >> 4) & 0xf;
895
896 for (i = 0; i < VERSATILE_FONT_HEIGHT; i++) {
897 for (j = 0, k = 7; j < 8; j++, k--) {
898 if ((p[i] & (1 << k)) == 0)
899 color = bg;
900 else
901 color = fg;
902
903 switch (sc->depth) {
904 case 16:
905 rgb = (versatilefb_palette[color].r >> 3) << 11;
906 rgb |= (versatilefb_palette[color].g >> 2) << 5;
907 rgb |= (versatilefb_palette[color].b >> 3);
908 addr[2*j] = rgb & 0xff;
909 addr[2*j + 1] = (rgb >> 8) & 0xff;
910 default:
911 /* Not supported yet */
912 break;
913 }
914 }
915
916 addr += (sc->stride);
917 }
918
919 return (0);
920 }
921
922 static int
923 versatilefb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
924 {
925 int i;
926
927 for (i = 0; i < len; i++)
928 versatilefb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8);
929
930 return (0);
931 }
932
933 static int
934 versatilefb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
935 uint32_t pixel_mask, int size, int width)
936 {
937
938 return (0);
939 }
940
941 /*
942 * Define a stub keyboard driver in case one hasn't been
943 * compiled into the kernel
944 */
945 #include <sys/kbio.h>
946 #include <dev/kbd/kbdreg.h>
947
948 static int dummy_kbd_configure(int flags);
949
950 keyboard_switch_t bcmdummysw;
951
952 static int
953 dummy_kbd_configure(int flags)
954 {
955
956 return (0);
957 }
958 KEYBOARD_DRIVER(bcmdummy, bcmdummysw, dummy_kbd_configure);
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