1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2012-2017 Oleksandr Tymoshenko <[email protected]>
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 __FBSDID("$FreeBSD$");
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/bus.h>
35 #include <sys/kernel.h>
36 #include <sys/module.h>
37 #include <sys/malloc.h>
38 #include <sys/rman.h>
39 #include <sys/fbio.h>
40 #include <sys/consio.h>
41 #include <sys/kdb.h>
42
43 #include <machine/bus.h>
44 #include <machine/cpu.h>
45 #include <machine/intr.h>
46
47 #include <dev/ofw/openfirm.h>
48 #include <dev/ofw/ofw_bus.h>
49 #include <dev/ofw/ofw_bus_subr.h>
50
51 #include <dev/fb/fbreg.h>
52 #include <dev/syscons/syscons.h>
53
54 #include <arm/versatile/versatile_scm.h>
55
56 #include <machine/bus.h>
57
58 #define PL110_VENDOR_ARM926PXP 1
59
60 #define CLCD_MODE_RGB888 0x0
61 #define CLCD_MODE_RGB555 0x01
62 #define CLCD_MODE_RBG565 0x02
63 #define CLCD_MODE_RGB565 0x03
64
65 #define CLCDC_TIMING0 0x00
66 #define CLCDC_TIMING1 0x04
67 #define CLCDC_TIMING2 0x08
68 #define CLCDC_TIMING3 0x0C
69 #define CLCDC_TIMING3 0x0C
70 #define CLCDC_UPBASE 0x10
71 #define CLCDC_LPBASE 0x14
72 #ifdef PL110_VENDOR_ARM926PXP
73 #define CLCDC_CONTROL 0x18
74 #define CLCDC_IMSC 0x1C
75 #else
76 #define CLCDC_IMSC 0x18
77 #define CLCDC_CONTROL 0x1C
78 #endif
79 #define CONTROL_WATERMARK (1 << 16)
80 #define CONTROL_VCOMP_VS (0 << 12)
81 #define CONTROL_VCOMP_BP (1 << 12)
82 #define CONTROL_VCOMP_SAV (2 << 12)
83 #define CONTROL_VCOMP_FP (3 << 12)
84 #define CONTROL_PWR (1 << 11)
85 #define CONTROL_BEPO (1 << 10)
86 #define CONTROL_BEBO (1 << 9)
87 #define CONTROL_BGR (1 << 8)
88 #define CONTROL_DUAL (1 << 7)
89 #define CONTROL_MONO8 (1 << 6)
90 #define CONTROL_TFT (1 << 5)
91 #define CONTROL_BW (1 << 4)
92 #define CONTROL_BPP1 (0x00 << 1)
93 #define CONTROL_BPP2 (0x01 << 1)
94 #define CONTROL_BPP4 (0x02 << 1)
95 #define CONTROL_BPP8 (0x03 << 1)
96 #define CONTROL_BPP16 (0x04 << 1)
97 #define CONTROL_BPP24 (0x05 << 1)
98 #define CONTROL_EN (1 << 0)
99 #define CLCDC_RIS 0x20
100 #define CLCDC_MIS 0x24
101 #define INTR_MBERR (1 << 4)
102 #define INTR_VCOMP (1 << 3)
103 #define INTR_LNB (1 << 2)
104 #define INTR_FUF (1 << 1)
105 #define CLCDC_ICR 0x28
106
107 #ifdef DEBUG
108 #define dprintf(fmt, args...) do { printf("%s(): ", __func__); \
109 printf(fmt,##args); } while (0)
110 #else
111 #define dprintf(fmt, args...)
112 #endif
113
114 #define versatile_clcdc_read_4(sc, reg) \
115 bus_read_4((sc)->mem_res, (reg))
116 #define versatile_clcdc_write_4(sc, reg, val) \
117 bus_write_4((sc)->mem_res, (reg), (val))
118
119 struct versatile_clcdc_softc {
120 struct resource* mem_res;
121
122 struct mtx mtx;
123
124 int width;
125 int height;
126 int mode;
127
128 bus_dma_tag_t dma_tag;
129 bus_dmamap_t dma_map;
130 bus_addr_t fb_phys;
131 uint8_t *fb_base;
132
133 };
134
135 struct video_adapter_softc {
136 /* Videoadpater part */
137 video_adapter_t va;
138 int console;
139
140 intptr_t fb_addr;
141 unsigned int fb_size;
142
143 unsigned int height;
144 unsigned int width;
145 unsigned int depth;
146 unsigned int stride;
147
148 unsigned int xmargin;
149 unsigned int ymargin;
150
151 unsigned char *font;
152 int initialized;
153 };
154
155 struct argb {
156 uint8_t a;
157 uint8_t r;
158 uint8_t g;
159 uint8_t b;
160 };
161
162 static struct argb versatilefb_palette[16] = {
163 {0x00, 0x00, 0x00, 0x00},
164 {0x00, 0x00, 0x00, 0xaa},
165 {0x00, 0x00, 0xaa, 0x00},
166 {0x00, 0x00, 0xaa, 0xaa},
167 {0x00, 0xaa, 0x00, 0x00},
168 {0x00, 0xaa, 0x00, 0xaa},
169 {0x00, 0xaa, 0x55, 0x00},
170 {0x00, 0xaa, 0xaa, 0xaa},
171 {0x00, 0x55, 0x55, 0x55},
172 {0x00, 0x55, 0x55, 0xff},
173 {0x00, 0x55, 0xff, 0x55},
174 {0x00, 0x55, 0xff, 0xff},
175 {0x00, 0xff, 0x55, 0x55},
176 {0x00, 0xff, 0x55, 0xff},
177 {0x00, 0xff, 0xff, 0x55},
178 {0x00, 0xff, 0xff, 0xff}
179 };
180
181 /* mouse pointer from dev/syscons/scgfbrndr.c */
182 static u_char mouse_pointer[16] = {
183 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68,
184 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00
185 };
186
187 #define FB_WIDTH 640
188 #define FB_HEIGHT 480
189 #define FB_DEPTH 16
190
191 #define VERSATILE_FONT_HEIGHT 16
192
193 static struct video_adapter_softc va_softc;
194
195 static int versatilefb_configure(int);
196 static void versatilefb_update_margins(video_adapter_t *adp);
197
198 static void
versatile_fb_dmamap_cb(void * arg,bus_dma_segment_t * segs,int nseg,int err)199 versatile_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err)
200 {
201 bus_addr_t *addr;
202
203 if (err)
204 return;
205
206 addr = (bus_addr_t*)arg;
207 *addr = segs[0].ds_addr;
208 }
209
210 static int
versatile_clcdc_probe(device_t dev)211 versatile_clcdc_probe(device_t dev)
212 {
213
214 if (!ofw_bus_status_okay(dev))
215 return (ENXIO);
216
217 if (ofw_bus_is_compatible(dev, "arm,pl110")) {
218 device_set_desc(dev, "PL110 CLCD controller");
219 return (BUS_PROBE_DEFAULT);
220 }
221
222 return (ENXIO);
223 }
224
225 static int
versatile_clcdc_attach(device_t dev)226 versatile_clcdc_attach(device_t dev)
227 {
228 struct versatile_clcdc_softc *sc = device_get_softc(dev);
229 struct video_adapter_softc *va_sc = &va_softc;
230 int err, rid;
231 uint32_t reg;
232 int clcdid;
233 int dma_size;
234
235 /* Request memory resources */
236 rid = 0;
237 sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
238 if (sc->mem_res == NULL) {
239 device_printf(dev, "could not allocate memory resources\n");
240 return (ENXIO);
241 }
242
243 err = versatile_scm_reg_read_4(SCM_CLCD, ®);
244 if (err) {
245 device_printf(dev, "failed to read SCM register\n");
246 goto fail;
247 }
248 clcdid = (reg >> SCM_CLCD_CLCDID_SHIFT) & SCM_CLCD_CLCDID_MASK;
249 switch (clcdid) {
250 case 31:
251 device_printf(dev, "QEMU VGA 640x480\n");
252 sc->width = 640;
253 sc->height = 480;
254 break;
255 default:
256 device_printf(dev, "Unsupported: %d\n", clcdid);
257 goto fail;
258 }
259
260 reg &= ~SCM_CLCD_LCD_MODE_MASK;
261 reg |= CLCD_MODE_RGB565;
262 sc->mode = CLCD_MODE_RGB565;
263 versatile_scm_reg_write_4(SCM_CLCD, reg);
264 dma_size = sc->width*sc->height*2;
265
266 /*
267 * Power on LCD
268 */
269 reg |= SCM_CLCD_PWR3V5VSWITCH | SCM_CLCD_NLCDIOON;
270 versatile_scm_reg_write_4(SCM_CLCD, reg);
271
272 /*
273 * XXX: hardcoded timing for VGA. For other modes/panels
274 * we need to keep table of timing register values
275 */
276 /*
277 * XXX: set SYS_OSC1
278 */
279 versatile_clcdc_write_4(sc, CLCDC_TIMING0, 0x3F1F3F9C);
280 versatile_clcdc_write_4(sc, CLCDC_TIMING1, 0x090B61DF);
281 versatile_clcdc_write_4(sc, CLCDC_TIMING2, 0x067F1800);
282 /* XXX: timing 3? */
283
284 /*
285 * Now allocate framebuffer memory
286 */
287 err = bus_dma_tag_create(
288 bus_get_dma_tag(dev),
289 4, 0, /* alignment, boundary */
290 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
291 BUS_SPACE_MAXADDR, /* highaddr */
292 NULL, NULL, /* filter, filterarg */
293 dma_size, 1, /* maxsize, nsegments */
294 dma_size, 0, /* maxsegsize, flags */
295 NULL, NULL, /* lockfunc, lockarg */
296 &sc->dma_tag);
297
298 err = bus_dmamem_alloc(sc->dma_tag, (void **)&sc->fb_base,
299 0, &sc->dma_map);
300 if (err) {
301 device_printf(dev, "cannot allocate framebuffer\n");
302 goto fail;
303 }
304
305 err = bus_dmamap_load(sc->dma_tag, sc->dma_map, sc->fb_base,
306 dma_size, versatile_fb_dmamap_cb, &sc->fb_phys, BUS_DMA_NOWAIT);
307
308 if (err) {
309 device_printf(dev, "cannot load DMA map\n");
310 goto fail;
311 }
312
313 /* Make sure it's blank */
314 memset(sc->fb_base, 0x00, dma_size);
315
316 versatile_clcdc_write_4(sc, CLCDC_UPBASE, sc->fb_phys);
317
318 err = (sc_attach_unit(device_get_unit(dev),
319 device_get_flags(dev) | SC_AUTODETECT_KBD));
320
321 if (err) {
322 device_printf(dev, "failed to attach syscons\n");
323 goto fail;
324 }
325
326 /*
327 * XXX: hardcoded for VGA
328 */
329 reg = CONTROL_VCOMP_BP | CONTROL_TFT | CONTROL_BGR | CONTROL_EN;
330 reg |= CONTROL_BPP16;
331 versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg);
332 DELAY(20);
333 reg |= CONTROL_PWR;
334 versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg);
335
336 va_sc->fb_addr = (vm_offset_t)sc->fb_base;
337 va_sc->fb_size = dma_size;
338 va_sc->width = sc->width;
339 va_sc->height = sc->height;
340 va_sc->depth = 16;
341 va_sc->stride = sc->width * 2;
342 versatilefb_update_margins(&va_sc->va);
343
344 return (0);
345
346 fail:
347 if (sc->fb_base)
348 bus_dmamem_free(sc->dma_tag, sc->fb_base, sc->dma_map);
349 if (sc->dma_tag)
350 bus_dma_tag_destroy(sc->dma_tag);
351 return (err);
352 }
353
354 static device_method_t versatile_clcdc_methods[] = {
355 DEVMETHOD(device_probe, versatile_clcdc_probe),
356 DEVMETHOD(device_attach, versatile_clcdc_attach),
357
358 DEVMETHOD_END
359 };
360
361 static driver_t versatile_clcdc_driver = {
362 "clcdc",
363 versatile_clcdc_methods,
364 sizeof(struct versatile_clcdc_softc),
365 };
366
367 static devclass_t versatile_clcdc_devclass;
368
369 DRIVER_MODULE(versatile_clcdc, simplebus, versatile_clcdc_driver, versatile_clcdc_devclass, 0, 0);
370
371 /*
372 * Video driver routines and glue.
373 */
374 static vi_probe_t versatilefb_probe;
375 static vi_init_t versatilefb_init;
376 static vi_get_info_t versatilefb_get_info;
377 static vi_query_mode_t versatilefb_query_mode;
378 static vi_set_mode_t versatilefb_set_mode;
379 static vi_save_font_t versatilefb_save_font;
380 static vi_load_font_t versatilefb_load_font;
381 static vi_show_font_t versatilefb_show_font;
382 static vi_save_palette_t versatilefb_save_palette;
383 static vi_load_palette_t versatilefb_load_palette;
384 static vi_set_border_t versatilefb_set_border;
385 static vi_save_state_t versatilefb_save_state;
386 static vi_load_state_t versatilefb_load_state;
387 static vi_set_win_org_t versatilefb_set_win_org;
388 static vi_read_hw_cursor_t versatilefb_read_hw_cursor;
389 static vi_set_hw_cursor_t versatilefb_set_hw_cursor;
390 static vi_set_hw_cursor_shape_t versatilefb_set_hw_cursor_shape;
391 static vi_blank_display_t versatilefb_blank_display;
392 static vi_mmap_t versatilefb_mmap;
393 static vi_ioctl_t versatilefb_ioctl;
394 static vi_clear_t versatilefb_clear;
395 static vi_fill_rect_t versatilefb_fill_rect;
396 static vi_bitblt_t versatilefb_bitblt;
397 static vi_diag_t versatilefb_diag;
398 static vi_save_cursor_palette_t versatilefb_save_cursor_palette;
399 static vi_load_cursor_palette_t versatilefb_load_cursor_palette;
400 static vi_copy_t versatilefb_copy;
401 static vi_putp_t versatilefb_putp;
402 static vi_putc_t versatilefb_putc;
403 static vi_puts_t versatilefb_puts;
404 static vi_putm_t versatilefb_putm;
405
406 static video_switch_t versatilefbvidsw = {
407 .probe = versatilefb_probe,
408 .init = versatilefb_init,
409 .get_info = versatilefb_get_info,
410 .query_mode = versatilefb_query_mode,
411 .set_mode = versatilefb_set_mode,
412 .save_font = versatilefb_save_font,
413 .load_font = versatilefb_load_font,
414 .show_font = versatilefb_show_font,
415 .save_palette = versatilefb_save_palette,
416 .load_palette = versatilefb_load_palette,
417 .set_border = versatilefb_set_border,
418 .save_state = versatilefb_save_state,
419 .load_state = versatilefb_load_state,
420 .set_win_org = versatilefb_set_win_org,
421 .read_hw_cursor = versatilefb_read_hw_cursor,
422 .set_hw_cursor = versatilefb_set_hw_cursor,
423 .set_hw_cursor_shape = versatilefb_set_hw_cursor_shape,
424 .blank_display = versatilefb_blank_display,
425 .mmap = versatilefb_mmap,
426 .ioctl = versatilefb_ioctl,
427 .clear = versatilefb_clear,
428 .fill_rect = versatilefb_fill_rect,
429 .bitblt = versatilefb_bitblt,
430 .diag = versatilefb_diag,
431 .save_cursor_palette = versatilefb_save_cursor_palette,
432 .load_cursor_palette = versatilefb_load_cursor_palette,
433 .copy = versatilefb_copy,
434 .putp = versatilefb_putp,
435 .putc = versatilefb_putc,
436 .puts = versatilefb_puts,
437 .putm = versatilefb_putm,
438 };
439
440 VIDEO_DRIVER(versatilefb, versatilefbvidsw, versatilefb_configure);
441
442 static vr_init_t clcdr_init;
443 static vr_clear_t clcdr_clear;
444 static vr_draw_border_t clcdr_draw_border;
445 static vr_draw_t clcdr_draw;
446 static vr_set_cursor_t clcdr_set_cursor;
447 static vr_draw_cursor_t clcdr_draw_cursor;
448 static vr_blink_cursor_t clcdr_blink_cursor;
449 static vr_set_mouse_t clcdr_set_mouse;
450 static vr_draw_mouse_t clcdr_draw_mouse;
451
452 /*
453 * We use our own renderer; this is because we must emulate a hardware
454 * cursor.
455 */
456 static sc_rndr_sw_t clcdrend = {
457 clcdr_init,
458 clcdr_clear,
459 clcdr_draw_border,
460 clcdr_draw,
461 clcdr_set_cursor,
462 clcdr_draw_cursor,
463 clcdr_blink_cursor,
464 clcdr_set_mouse,
465 clcdr_draw_mouse
466 };
467
468 RENDERER(versatilefb, 0, clcdrend, gfb_set);
469 RENDERER_MODULE(versatilefb, gfb_set);
470
471 static void
clcdr_init(scr_stat * scp)472 clcdr_init(scr_stat* scp)
473 {
474 }
475
476 static void
clcdr_clear(scr_stat * scp,int c,int attr)477 clcdr_clear(scr_stat* scp, int c, int attr)
478 {
479 }
480
481 static void
clcdr_draw_border(scr_stat * scp,int color)482 clcdr_draw_border(scr_stat* scp, int color)
483 {
484 }
485
486 static void
clcdr_draw(scr_stat * scp,int from,int count,int flip)487 clcdr_draw(scr_stat* scp, int from, int count, int flip)
488 {
489 video_adapter_t* adp = scp->sc->adp;
490 int i, c, a;
491
492 if (!flip) {
493 /* Normal printing */
494 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count);
495 } else {
496 /* This is for selections and such: invert the color attribute */
497 for (i = count; i-- > 0; ++from) {
498 c = sc_vtb_getc(&scp->vtb, from);
499 a = sc_vtb_geta(&scp->vtb, from) >> 8;
500 vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4));
501 }
502 }
503 }
504
505 static void
clcdr_set_cursor(scr_stat * scp,int base,int height,int blink)506 clcdr_set_cursor(scr_stat* scp, int base, int height, int blink)
507 {
508 }
509
510 static void
clcdr_draw_cursor(scr_stat * scp,int off,int blink,int on,int flip)511 clcdr_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip)
512 {
513 video_adapter_t* adp = scp->sc->adp;
514 struct video_adapter_softc *sc;
515 int row, col;
516 uint8_t *addr;
517 int i,j;
518
519 sc = (struct video_adapter_softc *)adp;
520
521 if (scp->curs_attr.height <= 0)
522 return;
523
524 if (sc->fb_addr == 0)
525 return;
526
527 if (off >= adp->va_info.vi_width * adp->va_info.vi_height)
528 return;
529
530 /* calculate the coordinates in the video buffer */
531 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
532 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
533
534 addr = (uint8_t *)sc->fb_addr
535 + (row + sc->ymargin)*(sc->stride)
536 + (sc->depth/8) * (col + sc->xmargin);
537
538 /* our cursor consists of simply inverting the char under it */
539 for (i = 0; i < adp->va_info.vi_cheight; i++) {
540 for (j = 0; j < adp->va_info.vi_cwidth; j++) {
541 addr[2*j] ^= 0xff;
542 addr[2*j + 1] ^= 0xff;
543 }
544
545 addr += sc->stride;
546 }
547 }
548
549 static void
clcdr_blink_cursor(scr_stat * scp,int at,int flip)550 clcdr_blink_cursor(scr_stat* scp, int at, int flip)
551 {
552 }
553
554 static void
clcdr_set_mouse(scr_stat * scp)555 clcdr_set_mouse(scr_stat* scp)
556 {
557 }
558
559 static void
clcdr_draw_mouse(scr_stat * scp,int x,int y,int on)560 clcdr_draw_mouse(scr_stat* scp, int x, int y, int on)
561 {
562 vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8);
563
564 }
565
566 static uint16_t versatilefb_static_window[ROW*COL];
567 extern u_char dflt_font_16[];
568
569 /*
570 * Update videoadapter settings after changing resolution
571 */
572 static void
versatilefb_update_margins(video_adapter_t * adp)573 versatilefb_update_margins(video_adapter_t *adp)
574 {
575 struct video_adapter_softc *sc;
576 video_info_t *vi;
577
578 sc = (struct video_adapter_softc *)adp;
579 vi = &adp->va_info;
580
581 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
582 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
583 }
584
585 static int
versatilefb_configure(int flags)586 versatilefb_configure(int flags)
587 {
588 struct video_adapter_softc *va_sc;
589
590 va_sc = &va_softc;
591
592 if (va_sc->initialized)
593 return (0);
594
595 va_sc->width = FB_WIDTH;
596 va_sc->height = FB_HEIGHT;
597 va_sc->depth = FB_DEPTH;
598
599 versatilefb_init(0, &va_sc->va, 0);
600
601 va_sc->initialized = 1;
602
603 return (0);
604 }
605
606 static int
versatilefb_probe(int unit,video_adapter_t ** adp,void * arg,int flags)607 versatilefb_probe(int unit, video_adapter_t **adp, void *arg, int flags)
608 {
609
610 return (0);
611 }
612
613 static int
versatilefb_init(int unit,video_adapter_t * adp,int flags)614 versatilefb_init(int unit, video_adapter_t *adp, int flags)
615 {
616 struct video_adapter_softc *sc;
617 video_info_t *vi;
618
619 sc = (struct video_adapter_softc *)adp;
620 vi = &adp->va_info;
621
622 vid_init_struct(adp, "versatilefb", -1, unit);
623
624 sc->font = dflt_font_16;
625 vi->vi_cheight = VERSATILE_FONT_HEIGHT;
626 vi->vi_cwidth = 8;
627
628 vi->vi_width = sc->width/8;
629 vi->vi_height = sc->height/vi->vi_cheight;
630
631 /*
632 * Clamp width/height to syscons maximums
633 */
634 if (vi->vi_width > COL)
635 vi->vi_width = COL;
636 if (vi->vi_height > ROW)
637 vi->vi_height = ROW;
638
639 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
640 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
641
642 adp->va_window = (vm_offset_t) versatilefb_static_window;
643 adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */;
644
645 vid_register(&sc->va);
646
647 return (0);
648 }
649
650 static int
versatilefb_get_info(video_adapter_t * adp,int mode,video_info_t * info)651 versatilefb_get_info(video_adapter_t *adp, int mode, video_info_t *info)
652 {
653 bcopy(&adp->va_info, info, sizeof(*info));
654 return (0);
655 }
656
657 static int
versatilefb_query_mode(video_adapter_t * adp,video_info_t * info)658 versatilefb_query_mode(video_adapter_t *adp, video_info_t *info)
659 {
660 return (0);
661 }
662
663 static int
versatilefb_set_mode(video_adapter_t * adp,int mode)664 versatilefb_set_mode(video_adapter_t *adp, int mode)
665 {
666 return (0);
667 }
668
669 static int
versatilefb_save_font(video_adapter_t * adp,int page,int size,int width,u_char * data,int c,int count)670 versatilefb_save_font(video_adapter_t *adp, int page, int size, int width,
671 u_char *data, int c, int count)
672 {
673 return (0);
674 }
675
676 static int
versatilefb_load_font(video_adapter_t * adp,int page,int size,int width,u_char * data,int c,int count)677 versatilefb_load_font(video_adapter_t *adp, int page, int size, int width,
678 u_char *data, int c, int count)
679 {
680 struct video_adapter_softc *sc = (struct video_adapter_softc *)adp;
681
682 sc->font = data;
683
684 return (0);
685 }
686
687 static int
versatilefb_show_font(video_adapter_t * adp,int page)688 versatilefb_show_font(video_adapter_t *adp, int page)
689 {
690 return (0);
691 }
692
693 static int
versatilefb_save_palette(video_adapter_t * adp,u_char * palette)694 versatilefb_save_palette(video_adapter_t *adp, u_char *palette)
695 {
696 return (0);
697 }
698
699 static int
versatilefb_load_palette(video_adapter_t * adp,u_char * palette)700 versatilefb_load_palette(video_adapter_t *adp, u_char *palette)
701 {
702 return (0);
703 }
704
705 static int
versatilefb_set_border(video_adapter_t * adp,int border)706 versatilefb_set_border(video_adapter_t *adp, int border)
707 {
708 return (versatilefb_blank_display(adp, border));
709 }
710
711 static int
versatilefb_save_state(video_adapter_t * adp,void * p,size_t size)712 versatilefb_save_state(video_adapter_t *adp, void *p, size_t size)
713 {
714 return (0);
715 }
716
717 static int
versatilefb_load_state(video_adapter_t * adp,void * p)718 versatilefb_load_state(video_adapter_t *adp, void *p)
719 {
720 return (0);
721 }
722
723 static int
versatilefb_set_win_org(video_adapter_t * adp,off_t offset)724 versatilefb_set_win_org(video_adapter_t *adp, off_t offset)
725 {
726 return (0);
727 }
728
729 static int
versatilefb_read_hw_cursor(video_adapter_t * adp,int * col,int * row)730 versatilefb_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
731 {
732 *col = *row = 0;
733
734 return (0);
735 }
736
737 static int
versatilefb_set_hw_cursor(video_adapter_t * adp,int col,int row)738 versatilefb_set_hw_cursor(video_adapter_t *adp, int col, int row)
739 {
740
741 return (0);
742 }
743
744 static int
versatilefb_set_hw_cursor_shape(video_adapter_t * adp,int base,int height,int celsize,int blink)745 versatilefb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
746 int celsize, int blink)
747 {
748 return (0);
749 }
750
751 static int
versatilefb_blank_display(video_adapter_t * adp,int mode)752 versatilefb_blank_display(video_adapter_t *adp, int mode)
753 {
754
755 struct video_adapter_softc *sc;
756
757 sc = (struct video_adapter_softc *)adp;
758 if (sc && sc->fb_addr)
759 memset((void*)sc->fb_addr, 0, sc->fb_size);
760
761 return (0);
762 }
763
764 static int
versatilefb_mmap(video_adapter_t * adp,vm_ooffset_t offset,vm_paddr_t * paddr,int prot,vm_memattr_t * memattr)765 versatilefb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr,
766 int prot, vm_memattr_t *memattr)
767 {
768 struct video_adapter_softc *sc;
769
770 sc = (struct video_adapter_softc *)adp;
771
772 /*
773 * This might be a legacy VGA mem request: if so, just point it at the
774 * framebuffer, since it shouldn't be touched
775 */
776 if (offset < sc->stride*sc->height) {
777 *paddr = sc->fb_addr + offset;
778 return (0);
779 }
780
781 return (EINVAL);
782 }
783
784 static int
versatilefb_ioctl(video_adapter_t * adp,u_long cmd,caddr_t data)785 versatilefb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
786 {
787
788 return (0);
789 }
790
791 static int
versatilefb_clear(video_adapter_t * adp)792 versatilefb_clear(video_adapter_t *adp)
793 {
794
795 return (versatilefb_blank_display(adp, 0));
796 }
797
798 static int
versatilefb_fill_rect(video_adapter_t * adp,int val,int x,int y,int cx,int cy)799 versatilefb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
800 {
801
802 return (0);
803 }
804
805 static int
versatilefb_bitblt(video_adapter_t * adp,...)806 versatilefb_bitblt(video_adapter_t *adp, ...)
807 {
808
809 return (0);
810 }
811
812 static int
versatilefb_diag(video_adapter_t * adp,int level)813 versatilefb_diag(video_adapter_t *adp, int level)
814 {
815
816 return (0);
817 }
818
819 static int
versatilefb_save_cursor_palette(video_adapter_t * adp,u_char * palette)820 versatilefb_save_cursor_palette(video_adapter_t *adp, u_char *palette)
821 {
822
823 return (0);
824 }
825
826 static int
versatilefb_load_cursor_palette(video_adapter_t * adp,u_char * palette)827 versatilefb_load_cursor_palette(video_adapter_t *adp, u_char *palette)
828 {
829
830 return (0);
831 }
832
833 static int
versatilefb_copy(video_adapter_t * adp,vm_offset_t src,vm_offset_t dst,int n)834 versatilefb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
835 {
836
837 return (0);
838 }
839
840 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)841 versatilefb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a,
842 int size, int bpp, int bit_ltor, int byte_ltor)
843 {
844
845 return (0);
846 }
847
848 static int
versatilefb_putc(video_adapter_t * adp,vm_offset_t off,uint8_t c,uint8_t a)849 versatilefb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a)
850 {
851 struct video_adapter_softc *sc;
852 int row;
853 int col;
854 int i, j, k;
855 uint8_t *addr;
856 u_char *p;
857 uint8_t fg, bg, color;
858 uint16_t rgb;
859
860 sc = (struct video_adapter_softc *)adp;
861
862 if (sc->fb_addr == 0)
863 return (0);
864
865 if (off >= adp->va_info.vi_width * adp->va_info.vi_height)
866 return (0);
867
868 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
869 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
870 p = sc->font + c*VERSATILE_FONT_HEIGHT;
871 addr = (uint8_t *)sc->fb_addr
872 + (row + sc->ymargin)*(sc->stride)
873 + (sc->depth/8) * (col + sc->xmargin);
874
875 fg = a & 0xf ;
876 bg = (a >> 4) & 0xf;
877
878 for (i = 0; i < VERSATILE_FONT_HEIGHT; i++) {
879 for (j = 0, k = 7; j < 8; j++, k--) {
880 if ((p[i] & (1 << k)) == 0)
881 color = bg;
882 else
883 color = fg;
884
885 switch (sc->depth) {
886 case 16:
887 rgb = (versatilefb_palette[color].r >> 3) << 11;
888 rgb |= (versatilefb_palette[color].g >> 2) << 5;
889 rgb |= (versatilefb_palette[color].b >> 3);
890 addr[2*j] = rgb & 0xff;
891 addr[2*j + 1] = (rgb >> 8) & 0xff;
892 default:
893 /* Not supported yet */
894 break;
895 }
896 }
897
898 addr += (sc->stride);
899 }
900
901 return (0);
902 }
903
904 static int
versatilefb_puts(video_adapter_t * adp,vm_offset_t off,u_int16_t * s,int len)905 versatilefb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
906 {
907 int i;
908
909 for (i = 0; i < len; i++)
910 versatilefb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8);
911
912 return (0);
913 }
914
915 static int
versatilefb_putm(video_adapter_t * adp,int x,int y,uint8_t * pixel_image,uint32_t pixel_mask,int size,int width)916 versatilefb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
917 uint32_t pixel_mask, int size, int width)
918 {
919
920 return (0);
921 }
922