1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2013 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/param.h>
30 #include <sys/systm.h>
31 #include <sys/bus.h>
32 #include <sys/conf.h>
33 #include <sys/endian.h>
34 #include <sys/kernel.h>
35 #include <sys/lock.h>
36 #include <sys/malloc.h>
37 #include <sys/module.h>
38 #include <sys/mutex.h>
39 #include <sys/resource.h>
40 #include <sys/rman.h>
41 #include <sys/fbio.h>
42 #include <sys/consio.h>
43
44 #include <sys/kdb.h>
45
46 #include <machine/bus.h>
47 #include <machine/resource.h>
48 #include <machine/intr.h>
49
50 #include <dev/ofw/ofw_bus.h>
51 #include <dev/ofw/ofw_bus_subr.h>
52
53 #include <dev/fb/fbreg.h>
54 #include <dev/syscons/syscons.h>
55
56 #include "am335x_lcd.h"
57
58 struct video_adapter_softc {
59 /* Videoadpater part */
60 video_adapter_t va;
61 int console;
62
63 intptr_t fb_addr;
64 intptr_t fb_paddr;
65 unsigned int fb_size;
66
67 unsigned int height;
68 unsigned int width;
69 unsigned int depth;
70 unsigned int stride;
71
72 unsigned int xmargin;
73 unsigned int ymargin;
74
75 unsigned char *font;
76 int initialized;
77 };
78
79 struct argb {
80 uint8_t a;
81 uint8_t r;
82 uint8_t g;
83 uint8_t b;
84 };
85
86 static struct argb am335x_syscons_palette[16] = {
87 {0x00, 0x00, 0x00, 0x00},
88 {0x00, 0x00, 0x00, 0xaa},
89 {0x00, 0x00, 0xaa, 0x00},
90 {0x00, 0x00, 0xaa, 0xaa},
91 {0x00, 0xaa, 0x00, 0x00},
92 {0x00, 0xaa, 0x00, 0xaa},
93 {0x00, 0xaa, 0x55, 0x00},
94 {0x00, 0xaa, 0xaa, 0xaa},
95 {0x00, 0x55, 0x55, 0x55},
96 {0x00, 0x55, 0x55, 0xff},
97 {0x00, 0x55, 0xff, 0x55},
98 {0x00, 0x55, 0xff, 0xff},
99 {0x00, 0xff, 0x55, 0x55},
100 {0x00, 0xff, 0x55, 0xff},
101 {0x00, 0xff, 0xff, 0x55},
102 {0x00, 0xff, 0xff, 0xff}
103 };
104
105 /* mouse pointer from dev/syscons/scgfbrndr.c */
106 static u_char mouse_pointer[16] = {
107 0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68,
108 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00
109 };
110
111 #define AM335X_FONT_HEIGHT 16
112
113 #define FB_WIDTH 640
114 #define FB_HEIGHT 480
115 #define FB_DEPTH 24
116
117 static struct video_adapter_softc va_softc;
118
119 static int am335x_syscons_configure(int flags);
120
121 /*
122 * Video driver routines and glue.
123 */
124 static vi_probe_t am335x_syscons_probe;
125 static vi_init_t am335x_syscons_init;
126 static vi_get_info_t am335x_syscons_get_info;
127 static vi_query_mode_t am335x_syscons_query_mode;
128 static vi_set_mode_t am335x_syscons_set_mode;
129 static vi_save_font_t am335x_syscons_save_font;
130 static vi_load_font_t am335x_syscons_load_font;
131 static vi_show_font_t am335x_syscons_show_font;
132 static vi_save_palette_t am335x_syscons_save_palette;
133 static vi_load_palette_t am335x_syscons_load_palette;
134 static vi_set_border_t am335x_syscons_set_border;
135 static vi_save_state_t am335x_syscons_save_state;
136 static vi_load_state_t am335x_syscons_load_state;
137 static vi_set_win_org_t am335x_syscons_set_win_org;
138 static vi_read_hw_cursor_t am335x_syscons_read_hw_cursor;
139 static vi_set_hw_cursor_t am335x_syscons_set_hw_cursor;
140 static vi_set_hw_cursor_shape_t am335x_syscons_set_hw_cursor_shape;
141 static vi_blank_display_t am335x_syscons_blank_display;
142 static vi_mmap_t am335x_syscons_mmap;
143 static vi_ioctl_t am335x_syscons_ioctl;
144 static vi_clear_t am335x_syscons_clear;
145 static vi_fill_rect_t am335x_syscons_fill_rect;
146 static vi_bitblt_t am335x_syscons_bitblt;
147 static vi_diag_t am335x_syscons_diag;
148 static vi_save_cursor_palette_t am335x_syscons_save_cursor_palette;
149 static vi_load_cursor_palette_t am335x_syscons_load_cursor_palette;
150 static vi_copy_t am335x_syscons_copy;
151 static vi_putp_t am335x_syscons_putp;
152 static vi_putc_t am335x_syscons_putc;
153 static vi_puts_t am335x_syscons_puts;
154 static vi_putm_t am335x_syscons_putm;
155
156 static video_switch_t am335x_sysconsvidsw = {
157 .probe = am335x_syscons_probe,
158 .init = am335x_syscons_init,
159 .get_info = am335x_syscons_get_info,
160 .query_mode = am335x_syscons_query_mode,
161 .set_mode = am335x_syscons_set_mode,
162 .save_font = am335x_syscons_save_font,
163 .load_font = am335x_syscons_load_font,
164 .show_font = am335x_syscons_show_font,
165 .save_palette = am335x_syscons_save_palette,
166 .load_palette = am335x_syscons_load_palette,
167 .set_border = am335x_syscons_set_border,
168 .save_state = am335x_syscons_save_state,
169 .load_state = am335x_syscons_load_state,
170 .set_win_org = am335x_syscons_set_win_org,
171 .read_hw_cursor = am335x_syscons_read_hw_cursor,
172 .set_hw_cursor = am335x_syscons_set_hw_cursor,
173 .set_hw_cursor_shape = am335x_syscons_set_hw_cursor_shape,
174 .blank_display = am335x_syscons_blank_display,
175 .mmap = am335x_syscons_mmap,
176 .ioctl = am335x_syscons_ioctl,
177 .clear = am335x_syscons_clear,
178 .fill_rect = am335x_syscons_fill_rect,
179 .bitblt = am335x_syscons_bitblt,
180 .diag = am335x_syscons_diag,
181 .save_cursor_palette = am335x_syscons_save_cursor_palette,
182 .load_cursor_palette = am335x_syscons_load_cursor_palette,
183 .copy = am335x_syscons_copy,
184 .putp = am335x_syscons_putp,
185 .putc = am335x_syscons_putc,
186 .puts = am335x_syscons_puts,
187 .putm = am335x_syscons_putm,
188 };
189
190 VIDEO_DRIVER(am335x_syscons, am335x_sysconsvidsw, am335x_syscons_configure);
191
192 static vr_init_t am335x_rend_init;
193 static vr_clear_t am335x_rend_clear;
194 static vr_draw_border_t am335x_rend_draw_border;
195 static vr_draw_t am335x_rend_draw;
196 static vr_set_cursor_t am335x_rend_set_cursor;
197 static vr_draw_cursor_t am335x_rend_draw_cursor;
198 static vr_blink_cursor_t am335x_rend_blink_cursor;
199 static vr_set_mouse_t am335x_rend_set_mouse;
200 static vr_draw_mouse_t am335x_rend_draw_mouse;
201
202 /*
203 * We use our own renderer; this is because we must emulate a hardware
204 * cursor.
205 */
206 static sc_rndr_sw_t am335x_rend = {
207 am335x_rend_init,
208 am335x_rend_clear,
209 am335x_rend_draw_border,
210 am335x_rend_draw,
211 am335x_rend_set_cursor,
212 am335x_rend_draw_cursor,
213 am335x_rend_blink_cursor,
214 am335x_rend_set_mouse,
215 am335x_rend_draw_mouse
216 };
217
218 RENDERER(am335x_syscons, 0, am335x_rend, gfb_set);
219 RENDERER_MODULE(am335x_syscons, gfb_set);
220
221 static void
am335x_rend_init(scr_stat * scp)222 am335x_rend_init(scr_stat* scp)
223 {
224 }
225
226 static void
am335x_rend_clear(scr_stat * scp,int c,int attr)227 am335x_rend_clear(scr_stat* scp, int c, int attr)
228 {
229 }
230
231 static void
am335x_rend_draw_border(scr_stat * scp,int color)232 am335x_rend_draw_border(scr_stat* scp, int color)
233 {
234 }
235
236 static void
am335x_rend_draw(scr_stat * scp,int from,int count,int flip)237 am335x_rend_draw(scr_stat* scp, int from, int count, int flip)
238 {
239 video_adapter_t* adp = scp->sc->adp;
240 int i, c, a;
241
242 if (!flip) {
243 /* Normal printing */
244 vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count);
245 } else {
246 /* This is for selections and such: invert the color attribute */
247 for (i = count; i-- > 0; ++from) {
248 c = sc_vtb_getc(&scp->vtb, from);
249 a = sc_vtb_geta(&scp->vtb, from) >> 8;
250 vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4));
251 }
252 }
253 }
254
255 static void
am335x_rend_set_cursor(scr_stat * scp,int base,int height,int blink)256 am335x_rend_set_cursor(scr_stat* scp, int base, int height, int blink)
257 {
258 }
259
260 static void
am335x_rend_draw_cursor(scr_stat * scp,int off,int blink,int on,int flip)261 am335x_rend_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip)
262 {
263 video_adapter_t* adp = scp->sc->adp;
264 struct video_adapter_softc *sc;
265 int row, col;
266 uint8_t *addr;
267 int i, j, bytes;
268
269 sc = (struct video_adapter_softc *)adp;
270
271 if (scp->curs_attr.height <= 0)
272 return;
273
274 if (sc->fb_addr == 0)
275 return;
276
277 if (off >= adp->va_info.vi_width * adp->va_info.vi_height)
278 return;
279
280 /* calculate the coordinates in the video buffer */
281 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
282 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
283
284 addr = (uint8_t *)sc->fb_addr
285 + (row + sc->ymargin)*(sc->stride)
286 + (sc->depth/8) * (col + sc->xmargin);
287
288 bytes = sc->depth/8;
289
290 /* our cursor consists of simply inverting the char under it */
291 for (i = 0; i < adp->va_info.vi_cheight; i++) {
292 for (j = 0; j < adp->va_info.vi_cwidth; j++) {
293 switch (sc->depth) {
294 case 32:
295 case 24:
296 addr[bytes*j + 2] ^= 0xff;
297 /* FALLTHROUGH */
298 case 16:
299 addr[bytes*j + 1] ^= 0xff;
300 addr[bytes*j] ^= 0xff;
301 break;
302 default:
303 break;
304 }
305 }
306
307 addr += sc->stride;
308 }
309 }
310
311 static void
am335x_rend_blink_cursor(scr_stat * scp,int at,int flip)312 am335x_rend_blink_cursor(scr_stat* scp, int at, int flip)
313 {
314 }
315
316 static void
am335x_rend_set_mouse(scr_stat * scp)317 am335x_rend_set_mouse(scr_stat* scp)
318 {
319 }
320
321 static void
am335x_rend_draw_mouse(scr_stat * scp,int x,int y,int on)322 am335x_rend_draw_mouse(scr_stat* scp, int x, int y, int on)
323 {
324 vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8);
325 }
326
327 static uint16_t am335x_syscons_static_window[ROW*COL];
328 extern u_char dflt_font_16[];
329
330 /*
331 * Update videoadapter settings after changing resolution
332 */
333 static void
am335x_syscons_update_margins(video_adapter_t * adp)334 am335x_syscons_update_margins(video_adapter_t *adp)
335 {
336 struct video_adapter_softc *sc;
337 video_info_t *vi;
338
339 sc = (struct video_adapter_softc *)adp;
340 vi = &adp->va_info;
341
342 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
343 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
344 }
345
346 static phandle_t
am335x_syscons_find_panel_node(phandle_t start)347 am335x_syscons_find_panel_node(phandle_t start)
348 {
349 phandle_t child;
350 phandle_t result;
351
352 for (child = OF_child(start); child != 0; child = OF_peer(child)) {
353 if (ofw_bus_node_is_compatible(child, "ti,am335x-lcd"))
354 return (child);
355 if ((result = am335x_syscons_find_panel_node(child)))
356 return (result);
357 }
358
359 return (0);
360 }
361
362 static int
am335x_syscons_configure(int flags)363 am335x_syscons_configure(int flags)
364 {
365 struct video_adapter_softc *va_sc;
366
367 va_sc = &va_softc;
368 phandle_t display, root;
369 pcell_t cell;
370
371 if (va_sc->initialized)
372 return (0);
373
374 va_sc->width = 0;
375 va_sc->height = 0;
376
377 /*
378 * It seems there is no way to let syscons framework know
379 * that framebuffer resolution has changed. So just try
380 * to fetch data from FDT and go with defaults if failed
381 */
382 root = OF_finddevice("/");
383 if ((root != -1) &&
384 (display = am335x_syscons_find_panel_node(root))) {
385 if ((OF_getencprop(display, "panel_width", &cell,
386 sizeof(cell))) > 0)
387 va_sc->width = cell;
388
389 if ((OF_getencprop(display, "panel_height", &cell,
390 sizeof(cell))) > 0)
391 va_sc->height = cell;
392 }
393
394 if (va_sc->width == 0)
395 va_sc->width = FB_WIDTH;
396 if (va_sc->height == 0)
397 va_sc->height = FB_HEIGHT;
398
399 am335x_syscons_init(0, &va_sc->va, 0);
400
401 va_sc->initialized = 1;
402
403 return (0);
404 }
405
406 static int
am335x_syscons_probe(int unit,video_adapter_t ** adp,void * arg,int flags)407 am335x_syscons_probe(int unit, video_adapter_t **adp, void *arg, int flags)
408 {
409
410 return (0);
411 }
412
413 static int
am335x_syscons_init(int unit,video_adapter_t * adp,int flags)414 am335x_syscons_init(int unit, video_adapter_t *adp, int flags)
415 {
416 struct video_adapter_softc *sc;
417 video_info_t *vi;
418
419 sc = (struct video_adapter_softc *)adp;
420 vi = &adp->va_info;
421
422 vid_init_struct(adp, "am335x_syscons", -1, unit);
423
424 sc->font = dflt_font_16;
425 vi->vi_cheight = AM335X_FONT_HEIGHT;
426 vi->vi_cwidth = 8;
427
428 vi->vi_width = sc->width/8;
429 vi->vi_height = sc->height/vi->vi_cheight;
430
431 /*
432 * Clamp width/height to syscons maximums
433 */
434 if (vi->vi_width > COL)
435 vi->vi_width = COL;
436 if (vi->vi_height > ROW)
437 vi->vi_height = ROW;
438
439 sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
440 sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
441
442 adp->va_window = (vm_offset_t) am335x_syscons_static_window;
443 adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */;
444
445 vid_register(&sc->va);
446
447 return (0);
448 }
449
450 static int
am335x_syscons_get_info(video_adapter_t * adp,int mode,video_info_t * info)451 am335x_syscons_get_info(video_adapter_t *adp, int mode, video_info_t *info)
452 {
453 bcopy(&adp->va_info, info, sizeof(*info));
454 return (0);
455 }
456
457 static int
am335x_syscons_query_mode(video_adapter_t * adp,video_info_t * info)458 am335x_syscons_query_mode(video_adapter_t *adp, video_info_t *info)
459 {
460 return (0);
461 }
462
463 static int
am335x_syscons_set_mode(video_adapter_t * adp,int mode)464 am335x_syscons_set_mode(video_adapter_t *adp, int mode)
465 {
466 return (0);
467 }
468
469 static int
am335x_syscons_save_font(video_adapter_t * adp,int page,int size,int width,u_char * data,int c,int count)470 am335x_syscons_save_font(video_adapter_t *adp, int page, int size, int width,
471 u_char *data, int c, int count)
472 {
473 return (0);
474 }
475
476 static int
am335x_syscons_load_font(video_adapter_t * adp,int page,int size,int width,u_char * data,int c,int count)477 am335x_syscons_load_font(video_adapter_t *adp, int page, int size, int width,
478 u_char *data, int c, int count)
479 {
480 struct video_adapter_softc *sc = (struct video_adapter_softc *)adp;
481
482 sc->font = data;
483
484 return (0);
485 }
486
487 static int
am335x_syscons_show_font(video_adapter_t * adp,int page)488 am335x_syscons_show_font(video_adapter_t *adp, int page)
489 {
490 return (0);
491 }
492
493 static int
am335x_syscons_save_palette(video_adapter_t * adp,u_char * palette)494 am335x_syscons_save_palette(video_adapter_t *adp, u_char *palette)
495 {
496 return (0);
497 }
498
499 static int
am335x_syscons_load_palette(video_adapter_t * adp,u_char * palette)500 am335x_syscons_load_palette(video_adapter_t *adp, u_char *palette)
501 {
502 return (0);
503 }
504
505 static int
am335x_syscons_set_border(video_adapter_t * adp,int border)506 am335x_syscons_set_border(video_adapter_t *adp, int border)
507 {
508 return (am335x_syscons_blank_display(adp, border));
509 }
510
511 static int
am335x_syscons_save_state(video_adapter_t * adp,void * p,size_t size)512 am335x_syscons_save_state(video_adapter_t *adp, void *p, size_t size)
513 {
514 return (0);
515 }
516
517 static int
am335x_syscons_load_state(video_adapter_t * adp,void * p)518 am335x_syscons_load_state(video_adapter_t *adp, void *p)
519 {
520 return (0);
521 }
522
523 static int
am335x_syscons_set_win_org(video_adapter_t * adp,off_t offset)524 am335x_syscons_set_win_org(video_adapter_t *adp, off_t offset)
525 {
526 return (0);
527 }
528
529 static int
am335x_syscons_read_hw_cursor(video_adapter_t * adp,int * col,int * row)530 am335x_syscons_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
531 {
532 *col = *row = 0;
533
534 return (0);
535 }
536
537 static int
am335x_syscons_set_hw_cursor(video_adapter_t * adp,int col,int row)538 am335x_syscons_set_hw_cursor(video_adapter_t *adp, int col, int row)
539 {
540 return (0);
541 }
542
543 static int
am335x_syscons_set_hw_cursor_shape(video_adapter_t * adp,int base,int height,int celsize,int blink)544 am335x_syscons_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
545 int celsize, int blink)
546 {
547 return (0);
548 }
549
550 static int
am335x_syscons_blank_display(video_adapter_t * adp,int mode)551 am335x_syscons_blank_display(video_adapter_t *adp, int mode)
552 {
553
554 struct video_adapter_softc *sc;
555
556 sc = (struct video_adapter_softc *)adp;
557 if (sc && sc->fb_addr)
558 memset((void*)sc->fb_addr, 0, sc->fb_size);
559
560 return (0);
561 }
562
563 static int
am335x_syscons_mmap(video_adapter_t * adp,vm_ooffset_t offset,vm_paddr_t * paddr,int prot,vm_memattr_t * memattr)564 am335x_syscons_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr,
565 int prot, vm_memattr_t *memattr)
566 {
567 struct video_adapter_softc *sc;
568
569 sc = (struct video_adapter_softc *)adp;
570
571 /*
572 * This might be a legacy VGA mem request: if so, just point it at the
573 * framebuffer, since it shouldn't be touched
574 */
575 if (offset < sc->stride*sc->height) {
576 *paddr = sc->fb_paddr + offset;
577 return (0);
578 }
579
580 return (EINVAL);
581 }
582
583 static int
am335x_syscons_ioctl(video_adapter_t * adp,u_long cmd,caddr_t data)584 am335x_syscons_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
585 {
586 struct video_adapter_softc *sc;
587 struct fbtype *fb;
588
589 sc = (struct video_adapter_softc *)adp;
590
591 switch (cmd) {
592 case FBIOGTYPE:
593 fb = (struct fbtype *)data;
594 fb->fb_type = FBTYPE_PCIMISC;
595 fb->fb_height = sc->height;
596 fb->fb_width = sc->width;
597 fb->fb_depth = sc->depth;
598 if (sc->depth <= 1 || sc->depth > 8)
599 fb->fb_cmsize = 0;
600 else
601 fb->fb_cmsize = 1 << sc->depth;
602 fb->fb_size = sc->fb_size;
603 break;
604 default:
605 return (fb_commonioctl(adp, cmd, data));
606 }
607
608 return (0);
609 }
610
611 static int
am335x_syscons_clear(video_adapter_t * adp)612 am335x_syscons_clear(video_adapter_t *adp)
613 {
614
615 return (am335x_syscons_blank_display(adp, 0));
616 }
617
618 static int
am335x_syscons_fill_rect(video_adapter_t * adp,int val,int x,int y,int cx,int cy)619 am335x_syscons_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
620 {
621
622 return (0);
623 }
624
625 static int
am335x_syscons_bitblt(video_adapter_t * adp,...)626 am335x_syscons_bitblt(video_adapter_t *adp, ...)
627 {
628
629 return (0);
630 }
631
632 static int
am335x_syscons_diag(video_adapter_t * adp,int level)633 am335x_syscons_diag(video_adapter_t *adp, int level)
634 {
635
636 return (0);
637 }
638
639 static int
am335x_syscons_save_cursor_palette(video_adapter_t * adp,u_char * palette)640 am335x_syscons_save_cursor_palette(video_adapter_t *adp, u_char *palette)
641 {
642
643 return (0);
644 }
645
646 static int
am335x_syscons_load_cursor_palette(video_adapter_t * adp,u_char * palette)647 am335x_syscons_load_cursor_palette(video_adapter_t *adp, u_char *palette)
648 {
649
650 return (0);
651 }
652
653 static int
am335x_syscons_copy(video_adapter_t * adp,vm_offset_t src,vm_offset_t dst,int n)654 am335x_syscons_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
655 {
656
657 return (0);
658 }
659
660 static int
am335x_syscons_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)661 am335x_syscons_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a,
662 int size, int bpp, int bit_ltor, int byte_ltor)
663 {
664
665 return (0);
666 }
667
668 static int
am335x_syscons_putc(video_adapter_t * adp,vm_offset_t off,uint8_t c,uint8_t a)669 am335x_syscons_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a)
670 {
671 struct video_adapter_softc *sc;
672 int row;
673 int col;
674 int i, j, k;
675 uint8_t *addr;
676 u_char *p;
677 uint8_t fg, bg, color;
678 uint16_t rgb;
679
680 sc = (struct video_adapter_softc *)adp;
681
682 if (sc->fb_addr == 0)
683 return (0);
684
685 row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
686 col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
687 p = sc->font + c*AM335X_FONT_HEIGHT;
688 addr = (uint8_t *)sc->fb_addr
689 + (row + sc->ymargin)*(sc->stride)
690 + (sc->depth/8) * (col + sc->xmargin);
691
692 fg = a & 0xf ;
693 bg = (a >> 4) & 0xf;
694
695 for (i = 0; i < AM335X_FONT_HEIGHT; i++) {
696 for (j = 0, k = 7; j < 8; j++, k--) {
697 if ((p[i] & (1 << k)) == 0)
698 color = bg;
699 else
700 color = fg;
701
702 switch (sc->depth) {
703 case 32:
704 addr[4*j+0] = am335x_syscons_palette[color].r;
705 addr[4*j+1] = am335x_syscons_palette[color].g;
706 addr[4*j+2] = am335x_syscons_palette[color].b;
707 addr[4*j+3] = am335x_syscons_palette[color].a;
708 break;
709 case 24:
710 addr[3*j] = am335x_syscons_palette[color].r;
711 addr[3*j+1] = am335x_syscons_palette[color].g;
712 addr[3*j+2] = am335x_syscons_palette[color].b;
713 break;
714 case 16:
715 rgb = (am335x_syscons_palette[color].r >> 3) << 11;
716 rgb |= (am335x_syscons_palette[color].g >> 2) << 5;
717 rgb |= (am335x_syscons_palette[color].b >> 3);
718 addr[2*j] = rgb & 0xff;
719 addr[2*j + 1] = (rgb >> 8) & 0xff;
720 default:
721 /* Not supported yet */
722 break;
723 }
724 }
725
726 addr += (sc->stride);
727 }
728
729 return (0);
730 }
731
732 static int
am335x_syscons_puts(video_adapter_t * adp,vm_offset_t off,u_int16_t * s,int len)733 am335x_syscons_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
734 {
735 int i;
736
737 for (i = 0; i < len; i++)
738 am335x_syscons_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8);
739
740 return (0);
741 }
742
743 static int
am335x_syscons_putm(video_adapter_t * adp,int x,int y,uint8_t * pixel_image,uint32_t pixel_mask,int size,int width)744 am335x_syscons_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
745 uint32_t pixel_mask, int size, int width)
746 {
747
748 return (0);
749 }
750
751 /* Initialization function */
am335x_lcd_syscons_setup(vm_offset_t vaddr,vm_paddr_t paddr,struct panel_info * panel)752 int am335x_lcd_syscons_setup(vm_offset_t vaddr, vm_paddr_t paddr,
753 struct panel_info *panel)
754 {
755 struct video_adapter_softc *va_sc = &va_softc;
756
757 va_sc->fb_addr = vaddr;
758 va_sc->fb_paddr = paddr;
759 va_sc->depth = panel->bpp;
760 va_sc->stride = panel->bpp*panel->panel_width/8;
761
762 va_sc->width = panel->panel_width;
763 va_sc->height = panel->panel_height;
764 va_sc->fb_size = va_sc->width * va_sc->height
765 * va_sc->depth/8;
766 am335x_syscons_update_margins(&va_sc->va);
767
768 return (0);
769 }
770