1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2012-2017 Oleksandr Tymoshenko <gonzo@freebsd.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
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/ofw/openfirm.h>
46 #include <dev/ofw/ofw_bus.h>
47 #include <dev/ofw/ofw_bus_subr.h>
48
49 #include <dev/fb/fbreg.h>
50 #include <dev/syscons/syscons.h>
51
52 #include <arm/versatile/versatile_scm.h>
53
54 #include <machine/bus.h>
55
56 #define PL110_VENDOR_ARM926PXP 1
57
58 #define CLCD_MODE_RGB888 0x0
59 #define CLCD_MODE_RGB555 0x01
60 #define CLCD_MODE_RBG565 0x02
61 #define CLCD_MODE_RGB565 0x03
62
63 #define CLCDC_TIMING0 0x00
64 #define CLCDC_TIMING1 0x04
65 #define CLCDC_TIMING2 0x08
66 #define CLCDC_TIMING3 0x0C
67 #define CLCDC_TIMING3 0x0C
68 #define CLCDC_UPBASE 0x10
69 #define CLCDC_LPBASE 0x14
70 #ifdef PL110_VENDOR_ARM926PXP
71 #define CLCDC_CONTROL 0x18
72 #define CLCDC_IMSC 0x1C
73 #else
74 #define CLCDC_IMSC 0x18
75 #define CLCDC_CONTROL 0x1C
76 #endif
77 #define CONTROL_WATERMARK (1 << 16)
78 #define CONTROL_VCOMP_VS (0 << 12)
79 #define CONTROL_VCOMP_BP (1 << 12)
80 #define CONTROL_VCOMP_SAV (2 << 12)
81 #define CONTROL_VCOMP_FP (3 << 12)
82 #define CONTROL_PWR (1 << 11)
83 #define CONTROL_BEPO (1 << 10)
84 #define CONTROL_BEBO (1 << 9)
85 #define CONTROL_BGR (1 << 8)
86 #define CONTROL_DUAL (1 << 7)
87 #define CONTROL_MONO8 (1 << 6)
88 #define CONTROL_TFT (1 << 5)
89 #define CONTROL_BW (1 << 4)
90 #define CONTROL_BPP1 (0x00 << 1)
91 #define CONTROL_BPP2 (0x01 << 1)
92 #define CONTROL_BPP4 (0x02 << 1)
93 #define CONTROL_BPP8 (0x03 << 1)
94 #define CONTROL_BPP16 (0x04 << 1)
95 #define CONTROL_BPP24 (0x05 << 1)
96 #define CONTROL_EN (1 << 0)
97 #define CLCDC_RIS 0x20
98 #define CLCDC_MIS 0x24
99 #define INTR_MBERR (1 << 4)
100 #define INTR_VCOMP (1 << 3)
101 #define INTR_LNB (1 << 2)
102 #define INTR_FUF (1 << 1)
103 #define CLCDC_ICR 0x28
104
105 #ifdef DEBUG
106 #define dprintf(fmt, args...) do { printf("%s(): ", __func__); \
107 printf(fmt,##args); } while (0)
108 #else
109 #define dprintf(fmt, args...)
110 #endif
111
112 #define versatile_clcdc_read_4(sc, reg) \
113 bus_read_4((sc)->mem_res, (reg))
114 #define versatile_clcdc_write_4(sc, reg, val) \
115 bus_write_4((sc)->mem_res, (reg), (val))
116
117 struct versatile_clcdc_softc {
118 struct resource* mem_res;
119
120 struct mtx mtx;
121
122 int width;
123 int height;
124 int mode;
125
126 bus_dma_tag_t dma_tag;
127 bus_dmamap_t dma_map;
128 bus_addr_t fb_phys;
129 uint8_t *fb_base;
130
131 };
132
133 struct video_adapter_softc {
134 /* Videoadpater part */
135 video_adapter_t va;
136 int console;
137
138 intptr_t fb_addr;
139 unsigned int fb_size;
140
141 unsigned int height;
142 unsigned int width;
143 unsigned int depth;
144 unsigned int stride;
145
146 unsigned int xmargin;
147 unsigned int ymargin;
148
149 unsigned char *font;
150 int initialized;
151 };
152
153 struct argb {
154 uint8_t a;
155 uint8_t r;
156 uint8_t g;
157 uint8_t b;
158 };
159
160 static struct argb versatilefb_palette[16] = {
161 {0x00, 0x00, 0x00, 0x00},
162 {0x00, 0x00, 0x00, 0xaa},
163 {0x00, 0x00, 0xaa, 0x00},
164 {0x00, 0x00, 0xaa, 0xaa},
165 {0x00, 0xaa, 0x00, 0x00},
166 {0x00, 0xaa, 0x00, 0xaa},
167 {0x00, 0xaa, 0x55, 0x00},
168 {0x00, 0xaa, 0xaa, 0xaa},
169 {0x00, 0x55, 0x55, 0x55},
170 {0x00, 0x55, 0x55, 0xff},
171 {0x00, 0x55, 0xff, 0x55},
172 {0x00, 0x55, 0xff, 0xff},
173 {0x00, 0xff, 0x55, 0x55},
174 {0x00, 0xff, 0x55, 0xff},
175 {0x00, 0xff, 0xff, 0x55},
176 {0x00, 0xff, 0xff, 0xff}
177 };
178
179 /* mouse pointer from dev/syscons/scgfbrndr.c */
180 static u_char mouse_pointer[16] = {
181 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68,
182 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00
183 };
184
185 #define FB_WIDTH 640
186 #define FB_HEIGHT 480
187 #define FB_DEPTH 16
188
189 #define VERSATILE_FONT_HEIGHT 16
190
191 static struct video_adapter_softc va_softc;
192
193 static int versatilefb_configure(int);
194 static void versatilefb_update_margins(video_adapter_t *adp);
195
196 static void
versatile_fb_dmamap_cb(void * arg,bus_dma_segment_t * segs,int nseg,int err)197 versatile_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err)
198 {
199 bus_addr_t *addr;
200
201 if (err)
202 return;
203
204 addr = (bus_addr_t*)arg;
205 *addr = segs[0].ds_addr;
206 }
207
208 static int
versatile_clcdc_probe(device_t dev)209 versatile_clcdc_probe(device_t dev)
210 {
211
212 if (!ofw_bus_status_okay(dev))
213 return (ENXIO);
214
215 if (ofw_bus_is_compatible(dev, "arm,pl110")) {
216 device_set_desc(dev, "PL110 CLCD controller");
217 return (BUS_PROBE_DEFAULT);
218 }
219
220 return (ENXIO);
221 }
222
223 static int
versatile_clcdc_attach(device_t dev)224 versatile_clcdc_attach(device_t dev)
225 {
226 struct versatile_clcdc_softc *sc = device_get_softc(dev);
227 struct video_adapter_softc *va_sc = &va_softc;
228 int err, rid;
229 uint32_t reg;
230 int clcdid;
231 int dma_size;
232
233 /* Request memory resources */
234 rid = 0;
235 sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
236 if (sc->mem_res == NULL) {
237 device_printf(dev, "could not allocate memory resources\n");
238 return (ENXIO);
239 }
240
241 err = versatile_scm_reg_read_4(SCM_CLCD, ®);
242 if (err) {
243 device_printf(dev, "failed to read SCM register\n");
244 goto fail;
245 }
246 clcdid = (reg >> SCM_CLCD_CLCDID_SHIFT) & SCM_CLCD_CLCDID_MASK;
247 switch (clcdid) {
248 case 31:
249 device_printf(dev, "QEMU VGA 640x480\n");
250 sc->width = 640;
251 sc->height = 480;
252 break;
253 default:
254 device_printf(dev, "Unsupported: %d\n", clcdid);
255 goto fail;
256 }
257
258 reg &= ~SCM_CLCD_LCD_MODE_MASK;
259 reg |= CLCD_MODE_RGB565;
260 sc->mode = CLCD_MODE_RGB565;
261 versatile_scm_reg_write_4(SCM_CLCD, reg);
262 dma_size = sc->width*sc->height*2;
263
264 /*
265 * Power on LCD
266 */
267 reg |= SCM_CLCD_PWR3V5VSWITCH | SCM_CLCD_NLCDIOON;
268 versatile_scm_reg_write_4(SCM_CLCD, reg);
269
270 /*
271 * XXX: hardcoded timing for VGA. For other modes/panels
272 * we need to keep table of timing register values
273 */
274 /*
275 * XXX: set SYS_OSC1
276 */
277 versatile_clcdc_write_4(sc, CLCDC_TIMING0, 0x3F1F3F9C);
278 versatile_clcdc_write_4(sc, CLCDC_TIMING1, 0x090B61DF);
279 versatile_clcdc_write_4(sc, CLCDC_TIMING2, 0x067F1800);
280 /* XXX: timing 3? */
281
282 /*
283 * Now allocate framebuffer memory
284 */
285 err = bus_dma_tag_create(
286 bus_get_dma_tag(dev),
287 4, 0, /* alignment, boundary */
288 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
289 BUS_SPACE_MAXADDR, /* highaddr */
290 NULL, NULL, /* filter, filterarg */
291 dma_size, 1, /* maxsize, nsegments */
292 dma_size, 0, /* maxsegsize, flags */
293 NULL, NULL, /* lockfunc, lockarg */
294 &sc->dma_tag);
295
296 err = bus_dmamem_alloc(sc->dma_tag, (void **)&sc->fb_base,
297 0, &sc->dma_map);
298 if (err) {
299 device_printf(dev, "cannot allocate framebuffer\n");
300 goto fail;
301 }
302
303 err = bus_dmamap_load(sc->dma_tag, sc->dma_map, sc->fb_base,
304 dma_size, versatile_fb_dmamap_cb, &sc->fb_phys, BUS_DMA_NOWAIT);
305
306 if (err) {
307 device_printf(dev, "cannot load DMA map\n");
308 goto fail;
309 }
310
311 /* Make sure it's blank */
312 memset(sc->fb_base, 0x00, dma_size);
313
314 versatile_clcdc_write_4(sc, CLCDC_UPBASE, sc->fb_phys);
315
316 err = (sc_attach_unit(device_get_unit(dev),
317 device_get_flags(dev) | SC_AUTODETECT_KBD));
318
319 if (err) {
320 device_printf(dev, "failed to attach syscons\n");
321 goto fail;
322 }
323
324 /*
325 * XXX: hardcoded for VGA
326 */
327 reg = CONTROL_VCOMP_BP | CONTROL_TFT | CONTROL_BGR | CONTROL_EN;
328 reg |= CONTROL_BPP16;
329 versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg);
330 DELAY(20);
331 reg |= CONTROL_PWR;
332 versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg);
333
334 va_sc->fb_addr = (vm_offset_t)sc->fb_base;
335 va_sc->fb_size = dma_size;
336 va_sc->width = sc->width;
337 va_sc->height = sc->height;
338 va_sc->depth = 16;
339 va_sc->stride = sc->width * 2;
340 versatilefb_update_margins(&va_sc->va);
341
342 return (0);
343
344 fail:
345 if (sc->fb_base)
346 bus_dmamem_free(sc->dma_tag, sc->fb_base, sc->dma_map);
347 if (sc->dma_tag)
348 bus_dma_tag_destroy(sc->dma_tag);
349 return (err);
350 }
351
352 static device_method_t versatile_clcdc_methods[] = {
353 DEVMETHOD(device_probe, versatile_clcdc_probe),
354 DEVMETHOD(device_attach, versatile_clcdc_attach),
355
356 DEVMETHOD_END
357 };
358
359 static driver_t versatile_clcdc_driver = {
360 "clcdc",
361 versatile_clcdc_methods,
362 sizeof(struct versatile_clcdc_softc),
363 };
364
365 static devclass_t versatile_clcdc_devclass;
366
367 DRIVER_MODULE(versatile_clcdc, simplebus, versatile_clcdc_driver, versatile_clcdc_devclass, 0, 0);
368
369 /*
370 * Video driver routines and glue.
371 */
372 static vi_probe_t versatilefb_probe;
373 static vi_init_t versatilefb_init;
374 static vi_get_info_t versatilefb_get_info;
375 static vi_query_mode_t versatilefb_query_mode;
376 static vi_set_mode_t versatilefb_set_mode;
377 static vi_save_font_t versatilefb_save_font;
378 static vi_load_font_t versatilefb_load_font;
379 static vi_show_font_t versatilefb_show_font;
380 static vi_save_palette_t versatilefb_save_palette;
381 static vi_load_palette_t versatilefb_load_palette;
382 static vi_set_border_t versatilefb_set_border;
383 static vi_save_state_t versatilefb_save_state;
384 static vi_load_state_t versatilefb_load_state;
385 static vi_set_win_org_t versatilefb_set_win_org;
386 static vi_read_hw_cursor_t versatilefb_read_hw_cursor;
387 static vi_set_hw_cursor_t versatilefb_set_hw_cursor;
388 static vi_set_hw_cursor_shape_t versatilefb_set_hw_cursor_shape;
389 static vi_blank_display_t versatilefb_blank_display;
390 static vi_mmap_t versatilefb_mmap;
391 static vi_ioctl_t versatilefb_ioctl;
392 static vi_clear_t versatilefb_clear;
393 static vi_fill_rect_t versatilefb_fill_rect;
394 static vi_bitblt_t versatilefb_bitblt;
395 static vi_diag_t versatilefb_diag;
396 static vi_save_cursor_palette_t versatilefb_save_cursor_palette;
397 static vi_load_cursor_palette_t versatilefb_load_cursor_palette;
398 static vi_copy_t versatilefb_copy;
399 static vi_putp_t versatilefb_putp;
400 static vi_putc_t versatilefb_putc;
401 static vi_puts_t versatilefb_puts;
402 static vi_putm_t versatilefb_putm;
403
404 static video_switch_t versatilefbvidsw = {
405 .probe = versatilefb_probe,
406 .init = versatilefb_init,
407 .get_info = versatilefb_get_info,
408 .query_mode = versatilefb_query_mode,
409 .set_mode = versatilefb_set_mode,
410 .save_font = versatilefb_save_font,
411 .load_font = versatilefb_load_font,
412 .show_font = versatilefb_show_font,
413 .save_palette = versatilefb_save_palette,
414 .load_palette = versatilefb_load_palette,
415 .set_border = versatilefb_set_border,
416 .save_state = versatilefb_save_state,
417 .load_state = versatilefb_load_state,
418 .set_win_org = versatilefb_set_win_org,
419 .read_hw_cursor = versatilefb_read_hw_cursor,
420 .set_hw_cursor = versatilefb_set_hw_cursor,
421 .set_hw_cursor_shape = versatilefb_set_hw_cursor_shape,
422 .blank_display = versatilefb_blank_display,
423 .mmap = versatilefb_mmap,
424 .ioctl = versatilefb_ioctl,
425 .clear = versatilefb_clear,
426 .fill_rect = versatilefb_fill_rect,
427 .bitblt = versatilefb_bitblt,
428 .diag = versatilefb_diag,
429 .save_cursor_palette = versatilefb_save_cursor_palette,
430 .load_cursor_palette = versatilefb_load_cursor_palette,
431 .copy = versatilefb_copy,
432 .putp = versatilefb_putp,
433 .putc = versatilefb_putc,
434 .puts = versatilefb_puts,
435 .putm = versatilefb_putm,
436 };
437
438 VIDEO_DRIVER(versatilefb, versatilefbvidsw, versatilefb_configure);
439
440 static vr_init_t clcdr_init;
441 static vr_clear_t clcdr_clear;
442 static vr_draw_border_t clcdr_draw_border;
443 static vr_draw_t clcdr_draw;
444 static vr_set_cursor_t clcdr_set_cursor;
445 static vr_draw_cursor_t clcdr_draw_cursor;
446 static vr_blink_cursor_t clcdr_blink_cursor;
447 static vr_set_mouse_t clcdr_set_mouse;
448 static vr_draw_mouse_t clcdr_draw_mouse;
449
450 /*
451 * We use our own renderer; this is because we must emulate a hardware
452 * cursor.
453 */
454 static sc_rndr_sw_t clcdrend = {
455 clcdr_init,
456 clcdr_clear,
457 clcdr_draw_border,
458 clcdr_draw,
459 clcdr_set_cursor,
460 clcdr_draw_cursor,
461 clcdr_blink_cursor,
462 clcdr_set_mouse,
463 clcdr_draw_mouse
464 };
465
466 RENDERER(versatilefb, 0, clcdrend, gfb_set);
467 RENDERER_MODULE(versatilefb, gfb_set);
468
469 static void
clcdr_init(scr_stat * scp)470 clcdr_init(scr_stat* scp)
471 {
472 }
473
474 static void
clcdr_clear(scr_stat * scp,int c,int attr)475 clcdr_clear(scr_stat* scp, int c, int attr)
476 {
477 }
478
479 static void
clcdr_draw_border(scr_stat * scp,int color)480 clcdr_draw_border(scr_stat* scp, int color)
481 {
482 }
483
484 static void
clcdr_draw(scr_stat * scp,int from,int count,int flip)485 clcdr_draw(scr_stat* scp, int from, int count, int flip)
486 {
487 video_adapter_t* adp = scp->sc->adp;
488 int i, c, a;
489
490 if (!flip) {
491 /* Normal printing */
492 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count);
493 } else {
494 /* This is for selections and such: invert the color attribute */
495 for (i = count; i-- > 0; ++from) {
496 c = sc_vtb_getc(&scp->vtb, from);
497 a = sc_vtb_geta(&scp->vtb, from) >> 8;
498 vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4));
499 }
500 }
501 }
502
503 static void
clcdr_set_cursor(scr_stat * scp,int base,int height,int blink)504 clcdr_set_cursor(scr_stat* scp, int base, int height, int blink)
505 {
506 }
507
508 static void
clcdr_draw_cursor(scr_stat * scp,int off,int blink,int on,int flip)509 clcdr_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip)
510 {
511 video_adapter_t* adp = scp->sc->adp;
512 struct video_adapter_softc *sc;
513 int row, col;
514 uint8_t *addr;
515 int i,j;
516
517 sc = (struct video_adapter_softc *)adp;
518
519 if (scp->curs_attr.height <= 0)
520 return;
521
522 if (sc->fb_addr == 0)
523 return;
524
525 if (off >= adp->va_info.vi_width * adp->va_info.vi_height)
526 return;
527
528 /* calculate the coordinates in the video buffer */
529 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
530 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
531
532 addr = (uint8_t *)sc->fb_addr
533 + (row + sc->ymargin)*(sc->stride)
534 + (sc->depth/8) * (col + sc->xmargin);
535
536 /* our cursor consists of simply inverting the char under it */
537 for (i = 0; i < adp->va_info.vi_cheight; i++) {
538 for (j = 0; j < adp->va_info.vi_cwidth; j++) {
539 addr[2*j] ^= 0xff;
540 addr[2*j + 1] ^= 0xff;
541 }
542
543 addr += sc->stride;
544 }
545 }
546
547 static void
clcdr_blink_cursor(scr_stat * scp,int at,int flip)548 clcdr_blink_cursor(scr_stat* scp, int at, int flip)
549 {
550 }
551
552 static void
clcdr_set_mouse(scr_stat * scp)553 clcdr_set_mouse(scr_stat* scp)
554 {
555 }
556
557 static void
clcdr_draw_mouse(scr_stat * scp,int x,int y,int on)558 clcdr_draw_mouse(scr_stat* scp, int x, int y, int on)
559 {
560 vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8);
561
562 }
563
564 static uint16_t versatilefb_static_window[ROW*COL];
565 extern u_char dflt_font_16[];
566
567 /*
568 * Update videoadapter settings after changing resolution
569 */
570 static void
versatilefb_update_margins(video_adapter_t * adp)571 versatilefb_update_margins(video_adapter_t *adp)
572 {
573 struct video_adapter_softc *sc;
574 video_info_t *vi;
575
576 sc = (struct video_adapter_softc *)adp;
577 vi = &adp->va_info;
578
579 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
580 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
581 }
582
583 static int
versatilefb_configure(int flags)584 versatilefb_configure(int flags)
585 {
586 struct video_adapter_softc *va_sc;
587
588 va_sc = &va_softc;
589
590 if (va_sc->initialized)
591 return (0);
592
593 va_sc->width = FB_WIDTH;
594 va_sc->height = FB_HEIGHT;
595 va_sc->depth = FB_DEPTH;
596
597 versatilefb_init(0, &va_sc->va, 0);
598
599 va_sc->initialized = 1;
600
601 return (0);
602 }
603
604 static int
versatilefb_probe(int unit,video_adapter_t ** adp,void * arg,int flags)605 versatilefb_probe(int unit, video_adapter_t **adp, void *arg, int flags)
606 {
607
608 return (0);
609 }
610
611 static int
versatilefb_init(int unit,video_adapter_t * adp,int flags)612 versatilefb_init(int unit, video_adapter_t *adp, int flags)
613 {
614 struct video_adapter_softc *sc;
615 video_info_t *vi;
616
617 sc = (struct video_adapter_softc *)adp;
618 vi = &adp->va_info;
619
620 vid_init_struct(adp, "versatilefb", -1, unit);
621
622 sc->font = dflt_font_16;
623 vi->vi_cheight = VERSATILE_FONT_HEIGHT;
624 vi->vi_cwidth = 8;
625
626 vi->vi_width = sc->width/8;
627 vi->vi_height = sc->height/vi->vi_cheight;
628
629 /*
630 * Clamp width/height to syscons maximums
631 */
632 if (vi->vi_width > COL)
633 vi->vi_width = COL;
634 if (vi->vi_height > ROW)
635 vi->vi_height = ROW;
636
637 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
638 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
639
640 adp->va_window = (vm_offset_t) versatilefb_static_window;
641 adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */;
642
643 vid_register(&sc->va);
644
645 return (0);
646 }
647
648 static int
versatilefb_get_info(video_adapter_t * adp,int mode,video_info_t * info)649 versatilefb_get_info(video_adapter_t *adp, int mode, video_info_t *info)
650 {
651 bcopy(&adp->va_info, info, sizeof(*info));
652 return (0);
653 }
654
655 static int
versatilefb_query_mode(video_adapter_t * adp,video_info_t * info)656 versatilefb_query_mode(video_adapter_t *adp, video_info_t *info)
657 {
658 return (0);
659 }
660
661 static int
versatilefb_set_mode(video_adapter_t * adp,int mode)662 versatilefb_set_mode(video_adapter_t *adp, int mode)
663 {
664 return (0);
665 }
666
667 static int
versatilefb_save_font(video_adapter_t * adp,int page,int size,int width,u_char * data,int c,int count)668 versatilefb_save_font(video_adapter_t *adp, int page, int size, int width,
669 u_char *data, int c, int count)
670 {
671 return (0);
672 }
673
674 static int
versatilefb_load_font(video_adapter_t * adp,int page,int size,int width,u_char * data,int c,int count)675 versatilefb_load_font(video_adapter_t *adp, int page, int size, int width,
676 u_char *data, int c, int count)
677 {
678 struct video_adapter_softc *sc = (struct video_adapter_softc *)adp;
679
680 sc->font = data;
681
682 return (0);
683 }
684
685 static int
versatilefb_show_font(video_adapter_t * adp,int page)686 versatilefb_show_font(video_adapter_t *adp, int page)
687 {
688 return (0);
689 }
690
691 static int
versatilefb_save_palette(video_adapter_t * adp,u_char * palette)692 versatilefb_save_palette(video_adapter_t *adp, u_char *palette)
693 {
694 return (0);
695 }
696
697 static int
versatilefb_load_palette(video_adapter_t * adp,u_char * palette)698 versatilefb_load_palette(video_adapter_t *adp, u_char *palette)
699 {
700 return (0);
701 }
702
703 static int
versatilefb_set_border(video_adapter_t * adp,int border)704 versatilefb_set_border(video_adapter_t *adp, int border)
705 {
706 return (versatilefb_blank_display(adp, border));
707 }
708
709 static int
versatilefb_save_state(video_adapter_t * adp,void * p,size_t size)710 versatilefb_save_state(video_adapter_t *adp, void *p, size_t size)
711 {
712 return (0);
713 }
714
715 static int
versatilefb_load_state(video_adapter_t * adp,void * p)716 versatilefb_load_state(video_adapter_t *adp, void *p)
717 {
718 return (0);
719 }
720
721 static int
versatilefb_set_win_org(video_adapter_t * adp,off_t offset)722 versatilefb_set_win_org(video_adapter_t *adp, off_t offset)
723 {
724 return (0);
725 }
726
727 static int
versatilefb_read_hw_cursor(video_adapter_t * adp,int * col,int * row)728 versatilefb_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
729 {
730 *col = *row = 0;
731
732 return (0);
733 }
734
735 static int
versatilefb_set_hw_cursor(video_adapter_t * adp,int col,int row)736 versatilefb_set_hw_cursor(video_adapter_t *adp, int col, int row)
737 {
738
739 return (0);
740 }
741
742 static int
versatilefb_set_hw_cursor_shape(video_adapter_t * adp,int base,int height,int celsize,int blink)743 versatilefb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
744 int celsize, int blink)
745 {
746 return (0);
747 }
748
749 static int
versatilefb_blank_display(video_adapter_t * adp,int mode)750 versatilefb_blank_display(video_adapter_t *adp, int mode)
751 {
752
753 struct video_adapter_softc *sc;
754
755 sc = (struct video_adapter_softc *)adp;
756 if (sc && sc->fb_addr)
757 memset((void*)sc->fb_addr, 0, sc->fb_size);
758
759 return (0);
760 }
761
762 static int
versatilefb_mmap(video_adapter_t * adp,vm_ooffset_t offset,vm_paddr_t * paddr,int prot,vm_memattr_t * memattr)763 versatilefb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr,
764 int prot, vm_memattr_t *memattr)
765 {
766 struct video_adapter_softc *sc;
767
768 sc = (struct video_adapter_softc *)adp;
769
770 /*
771 * This might be a legacy VGA mem request: if so, just point it at the
772 * framebuffer, since it shouldn't be touched
773 */
774 if (offset < sc->stride*sc->height) {
775 *paddr = sc->fb_addr + offset;
776 return (0);
777 }
778
779 return (EINVAL);
780 }
781
782 static int
versatilefb_ioctl(video_adapter_t * adp,u_long cmd,caddr_t data)783 versatilefb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
784 {
785
786 return (0);
787 }
788
789 static int
versatilefb_clear(video_adapter_t * adp)790 versatilefb_clear(video_adapter_t *adp)
791 {
792
793 return (versatilefb_blank_display(adp, 0));
794 }
795
796 static int
versatilefb_fill_rect(video_adapter_t * adp,int val,int x,int y,int cx,int cy)797 versatilefb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
798 {
799
800 return (0);
801 }
802
803 static int
versatilefb_bitblt(video_adapter_t * adp,...)804 versatilefb_bitblt(video_adapter_t *adp, ...)
805 {
806
807 return (0);
808 }
809
810 static int
versatilefb_diag(video_adapter_t * adp,int level)811 versatilefb_diag(video_adapter_t *adp, int level)
812 {
813
814 return (0);
815 }
816
817 static int
versatilefb_save_cursor_palette(video_adapter_t * adp,u_char * palette)818 versatilefb_save_cursor_palette(video_adapter_t *adp, u_char *palette)
819 {
820
821 return (0);
822 }
823
824 static int
versatilefb_load_cursor_palette(video_adapter_t * adp,u_char * palette)825 versatilefb_load_cursor_palette(video_adapter_t *adp, u_char *palette)
826 {
827
828 return (0);
829 }
830
831 static int
versatilefb_copy(video_adapter_t * adp,vm_offset_t src,vm_offset_t dst,int n)832 versatilefb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
833 {
834
835 return (0);
836 }
837
838 static int
versatilefb_putp(video_adapter_t * adp,vm_offset_t off,uint32_t p,uint32_t a,int size,int bpp,int bit_ltor,int byte_ltor)839 versatilefb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a,
840 int size, int bpp, int bit_ltor, int byte_ltor)
841 {
842
843 return (0);
844 }
845
846 static int
versatilefb_putc(video_adapter_t * adp,vm_offset_t off,uint8_t c,uint8_t a)847 versatilefb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a)
848 {
849 struct video_adapter_softc *sc;
850 int row;
851 int col;
852 int i, j, k;
853 uint8_t *addr;
854 u_char *p;
855 uint8_t fg, bg, color;
856 uint16_t rgb;
857
858 sc = (struct video_adapter_softc *)adp;
859
860 if (sc->fb_addr == 0)
861 return (0);
862
863 if (off >= adp->va_info.vi_width * adp->va_info.vi_height)
864 return (0);
865
866 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
867 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
868 p = sc->font + c*VERSATILE_FONT_HEIGHT;
869 addr = (uint8_t *)sc->fb_addr
870 + (row + sc->ymargin)*(sc->stride)
871 + (sc->depth/8) * (col + sc->xmargin);
872
873 fg = a & 0xf ;
874 bg = (a >> 4) & 0xf;
875
876 for (i = 0; i < VERSATILE_FONT_HEIGHT; i++) {
877 for (j = 0, k = 7; j < 8; j++, k--) {
878 if ((p[i] & (1 << k)) == 0)
879 color = bg;
880 else
881 color = fg;
882
883 switch (sc->depth) {
884 case 16:
885 rgb = (versatilefb_palette[color].r >> 3) << 11;
886 rgb |= (versatilefb_palette[color].g >> 2) << 5;
887 rgb |= (versatilefb_palette[color].b >> 3);
888 addr[2*j] = rgb & 0xff;
889 addr[2*j + 1] = (rgb >> 8) & 0xff;
890 default:
891 /* Not supported yet */
892 break;
893 }
894 }
895
896 addr += (sc->stride);
897 }
898
899 return (0);
900 }
901
902 static int
versatilefb_puts(video_adapter_t * adp,vm_offset_t off,u_int16_t * s,int len)903 versatilefb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
904 {
905 int i;
906
907 for (i = 0; i < len; i++)
908 versatilefb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8);
909
910 return (0);
911 }
912
913 static int
versatilefb_putm(video_adapter_t * adp,int x,int y,uint8_t * pixel_image,uint32_t pixel_mask,int size,int width)914 versatilefb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
915 uint32_t pixel_mask, int size, int width)
916 {
917
918 return (0);
919 }
920