hd64461video.c revision 1.49 1 /* $NetBSD: hd64461video.c,v 1.49 2008/12/02 20:44:43 uwe Exp $ */
2
3 /*-
4 * Copyright (c) 2001, 2002, 2004 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by UCHIYAMA Yasushi.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: hd64461video.c,v 1.49 2008/12/02 20:44:43 uwe Exp $");
34
35 #include "opt_hd64461video.h"
36 // #define HD64461VIDEO_HWACCEL
37
38 #include <sys/param.h>
39 #include <sys/kernel.h>
40 #include <sys/systm.h>
41 #include <sys/device.h>
42 #include <sys/malloc.h>
43
44 #include <sys/conf.h> /* cdev_decl */
45 #include <dev/cons.h> /* consdev */
46
47 /* ioctl */
48 #include <sys/ioctl.h>
49 #include <sys/buf.h>
50 #include <uvm/uvm_extern.h>
51
52 #include <machine/bus.h>
53 #include <machine/intr.h>
54
55 #include <hpcsh/dev/hd64461/hd64461var.h>
56 #include <hpcsh/dev/hd64461/hd64461reg.h>
57 #include <hpcsh/dev/hd64461/hd64461videoreg.h>
58
59 #include <dev/wscons/wsdisplayvar.h>
60 #include <dev/rasops/rasops.h>
61
62 #include <dev/wscons/wsconsio.h>
63 #include <dev/hpc/hpcfbvar.h>
64 #include <dev/hpc/hpcfbio.h>
65 #include <dev/hpc/video_subr.h>
66
67 #include <machine/config_hook.h>
68 #include <machine/bootinfo.h>
69
70 #include <machine/platid.h>
71 #include <machine/platid_mask.h>
72
73 #ifdef HD64461VIDEO_DEBUG
74 #define DPRINTF_ENABLE
75 #define DPRINTF_DEBUG hd64461video_debug
76 #endif
77 #include <machine/debug.h>
78
79 struct hd64461video_chip;
80 struct hd64461video_font {
81 struct wsdisplay_font wsfont;
82 int c, cw, cstep;
83 int loaded;
84 };
85
86 struct hd64461video_softc {
87 device_t sc_dev;
88
89 enum hd64461_module_id sc_module_id;
90 struct hd64461video_chip *sc_vc;
91
92 struct hd64461video_font sc_font;
93 };
94
95 enum hd64461video_display_mode {
96 LCD256_C,
97 LCD64K_C,
98 LCD64_MONO,
99 LCD16_MONO,
100 LCD4_MONO,
101 LCD2_MONO,
102 CRT256_C,
103 LCDCRT
104 };
105
106 STATIC struct hd64461video_chip {
107 struct video_chip vc;
108 enum hd64461video_display_mode mode;
109 struct hpcfb_dspconf hd;
110 struct hpcfb_fbconf hf;
111 uint8_t *off_screen_addr;
112 size_t off_screen_size;
113
114 struct callout unblank_ch;
115 int blanked;
116
117 int console;
118 } hd64461video_chip;
119
120 void hd64461video_cnprobe(struct consdev *);
121 void hd64461video_cninit(struct consdev *);
122
123 STATIC int hd64461video_match(device_t, cfdata_t, void *);
124 STATIC void hd64461video_attach(device_t, device_t, void *);
125
126 STATIC void hd64461video_setup_hpcfbif(struct hd64461video_chip *);
127 STATIC void hd64461video_update_videochip_status(struct hd64461video_chip *);
128 STATIC size_t hd64461video_frame_buffer_size(struct hd64461video_chip *);
129 STATIC void hd64461video_hwaccel_init(struct hd64461video_chip *);
130
131 STATIC void hd64461video_set_clut(struct hd64461video_chip *, int, int,
132 uint8_t *, uint8_t *, uint8_t *);
133 STATIC void hd64461video_get_clut(struct hd64461video_chip *, int, int,
134 uint8_t *, uint8_t *, uint8_t *);
135 STATIC int hd64461video_power(void *, int, long, void *);
136 STATIC void hd64461video_off(struct hd64461video_chip *);
137 STATIC void hd64461video_on(struct hd64461video_chip *);
138 STATIC void hd64461video_display_onoff(void *, bool);
139 STATIC void hd64461video_display_on(void *);
140
141 #if notyet
142 STATIC void hd64461video_set_display_mode(struct hd64461video_chip *);
143 STATIC void hd64461video_set_display_mode_lcdc(struct hd64461video_chip *);
144 STATIC void hd64461video_set_display_mode_crtc(struct hd64461video_chip *);
145 #endif
146
147 #ifdef HD64461VIDEO_DEBUG
148 STATIC void hd64461video_info(struct hd64461video_softc *);
149 STATIC void hd64461video_dump(void) __attribute__((__unused__));
150 #endif
151
152 CFATTACH_DECL_NEW(hd64461video, sizeof(struct hd64461video_softc),
153 hd64461video_match, hd64461video_attach, NULL, NULL);
154
155 STATIC int hd64461video_ioctl(void *, u_long, void *, int, struct lwp *);
156 STATIC paddr_t hd64461video_mmap(void *, off_t, int);
157
158 #ifdef HD64461VIDEO_HWACCEL
159 STATIC void hd64461video_cursor(void *, int, int, int, int, int);
160 STATIC void hd64461video_bitblit(void *, int, int, int, int, int, int);
161 STATIC void hd64461video_erase(void *, int, int, int, int, int);
162 STATIC void hd64461video_putchar(void *, int, int, struct wsdisplay_font *,
163 int, int, uint, int);
164 STATIC void hd64461video_setclut(void *, struct rasops_info *);
165 STATIC void hd64461video_font(void *, struct wsdisplay_font *);
166 STATIC void hd64461video_iodone(void *);
167
168 /* font */
169 STATIC void hd64461video_font_load_16bpp(uint16_t *, uint8_t *, int, int, int);
170 STATIC void hd64461video_font_load_8bpp(uint8_t *, uint8_t *, int, int, int);
171 STATIC void hd64461video_font_set_attr(struct hd64461video_softc *,
172 struct wsdisplay_font *);
173 STATIC void hd64461video_font_load(struct hd64461video_softc *);
174 STATIC vaddr_t hd64461video_font_start_addr(struct hd64461video_softc *, int);
175 #endif /* HD64461VIDEO_HWACCEL */
176
177 STATIC struct hpcfb_accessops hd64461video_ha = {
178 .ioctl = hd64461video_ioctl,
179 .mmap = hd64461video_mmap,
180 #ifdef HD64461VIDEO_HWACCEL
181 .cursor = hd64461video_cursor,
182 .bitblit= hd64461video_bitblit,
183 .erase = hd64461video_erase,
184 .putchar= hd64461video_putchar,
185 .setclut= hd64461video_setclut,
186 .font = hd64461video_font,
187 .iodone = hd64461video_iodone
188 #endif /* HD64461VIDEO_HWACCEL */
189 };
190
191
192 STATIC int
193 hd64461video_match(device_t parent, cfdata_t cf, void *aux)
194 {
195 struct hd64461_attach_args *ha = aux;
196
197 return (ha->ha_module_id == HD64461_MODULE_VIDEO);
198 }
199
200 STATIC void
201 hd64461video_attach(device_t parent, device_t self, void *aux)
202 {
203 struct hd64461_attach_args *ha = aux;
204 struct hd64461video_softc *sc;
205 struct hpcfb_attach_args hfa;
206 struct video_chip *vc = &hd64461video_chip.vc;
207 char pbuf[9];
208 size_t fbsize, on_screen_size;
209
210 aprint_naive("\n");
211 aprint_normal(": ");
212
213 sc = device_private(self);
214 sc->sc_dev = self;
215
216 sc->sc_module_id = ha->ha_module_id;
217 sc->sc_vc = &hd64461video_chip;
218
219 /* detect frame buffer size */
220 fbsize = hd64461video_frame_buffer_size(&hd64461video_chip);
221 format_bytes(pbuf, sizeof(pbuf), fbsize);
222 aprint_normal("frame buffer = %s ", pbuf);
223
224 /* update chip status */
225 hd64461video_update_videochip_status(&hd64461video_chip);
226 // hd64461video_set_display_mode(&hd64461video_chip);
227
228 if (hd64461video_chip.console)
229 aprint_normal(", console");
230
231 aprint_normal("\n");
232 #ifdef HD64461VIDEO_DEBUG
233 hd64461video_info(sc);
234 hd64461video_dump();
235 #endif
236 /* Add a hard power hook to power saving */
237 config_hook(CONFIG_HOOK_PMEVENT, CONFIG_HOOK_PMEVENT_HARDPOWER,
238 CONFIG_HOOK_SHARE, hd64461video_power, sc);
239
240 /* setup hpcfb interface */
241 hd64461video_setup_hpcfbif(&hd64461video_chip);
242
243 /* setup off-screen buffer */
244 on_screen_size = (vc->vc_fbwidth * vc->vc_fbheight * vc->vc_fbdepth) /
245 NBBY;
246 hd64461video_chip.off_screen_addr = (uint8_t *)vc->vc_fbvaddr +
247 on_screen_size;
248 hd64461video_chip.off_screen_size = fbsize - on_screen_size;
249 /* clean up off-screen area */
250 {
251 uint8_t *p = hd64461video_chip.off_screen_addr;
252 uint8_t *end = p + hd64461video_chip.off_screen_size;
253 while (p < end)
254 *p++ = 0xff;
255 }
256
257 /* initialize hardware acceralation */
258 hd64461video_hwaccel_init(&hd64461video_chip);
259
260 /* register interface to hpcfb */
261 hfa.ha_console = hd64461video_chip.console;
262 hfa.ha_accessops = &hd64461video_ha;
263 hfa.ha_accessctx = sc;
264 hfa.ha_curfbconf = 0;
265 hfa.ha_nfbconf = 1;
266 hfa.ha_fbconflist = &hd64461video_chip.hf;
267 hfa.ha_curdspconf = 0;
268 hfa.ha_ndspconf = 1;
269 hfa.ha_dspconflist = &hd64461video_chip.hd;
270
271 config_found(self, &hfa, hpcfbprint);
272 }
273
274 /* console support */
275 void
276 hd64461video_cninit(struct consdev *cndev)
277 {
278 hd64461video_chip.console = 1;
279 hd64461video_chip.vc.vc_reverse = video_reverse_color();
280
281 hd64461video_update_videochip_status(&hd64461video_chip);
282 hd64461video_setup_hpcfbif(&hd64461video_chip);
283 hpcfb_cnattach(&hd64461video_chip.hf);
284
285 cn_tab->cn_pri = CN_INTERNAL;
286 }
287
288 void
289 hd64461video_cnprobe(struct consdev *cndev)
290 {
291 #if NWSDISPLAY > 0
292 extern const struct cdevsw wsdisplay_cdevsw;
293 int maj, unit;
294 #endif
295 cndev->cn_dev = NODEV;
296 cndev->cn_pri = CN_NORMAL;
297
298 #if NWSDISPLAY > 0
299 unit = 0;
300 maj = cdevsw_lookup_major(&wsdisplay_cdevsw);
301
302 if (maj != -1) {
303 cndev->cn_pri = CN_INTERNAL;
304 cndev->cn_dev = makedev(maj, unit);
305 }
306 #endif /* NWSDISPLAY > 0 */
307 }
308
309 /* hpcfb support */
310 STATIC void
311 hd64461video_setup_hpcfbif(struct hd64461video_chip *hvc)
312 {
313 struct video_chip *vc = &hvc->vc;
314 struct hpcfb_fbconf *fb = &hvc->hf;
315 vaddr_t fbvaddr = vc->vc_fbvaddr;
316 int height = vc->vc_fbheight;
317 int width = vc->vc_fbwidth;
318 int depth = vc->vc_fbdepth;
319
320 memset(fb, 0, sizeof(struct hpcfb_fbconf));
321
322 fb->hf_conf_index = 0; /* configuration index */
323 fb->hf_nconfs = 1; /* how many configurations */
324 strncpy(fb->hf_name, "HD64461 video module", HPCFB_MAXNAMELEN);
325
326 /* frame buffer name */
327 strncpy(fb->hf_conf_name, "LCD", HPCFB_MAXNAMELEN);
328
329 /* configuration name */
330 fb->hf_height = height;
331 fb->hf_width = width;
332 fb->hf_baseaddr = (u_long)fbvaddr;
333 fb->hf_offset = (u_long)fbvaddr -
334 sh3_ptob(sh3_btop(fbvaddr));
335
336 /* frame buffer start offset */
337 fb->hf_bytes_per_line = (width * depth) / NBBY;
338 fb->hf_nplanes = 1;
339 fb->hf_bytes_per_plane = height * fb->hf_bytes_per_line;
340
341 fb->hf_access_flags |= HPCFB_ACCESS_BYTE;
342 fb->hf_access_flags |= HPCFB_ACCESS_WORD;
343 fb->hf_access_flags |= HPCFB_ACCESS_DWORD;
344 if (vc->vc_reverse)
345 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE;
346
347 switch (depth) {
348 default:
349 panic("%s: not supported color depth", __func__);
350 /* NOTREACHED */
351 case 16:
352 fb->hf_class = HPCFB_CLASS_RGBCOLOR;
353 fb->hf_access_flags |= HPCFB_ACCESS_STATIC;
354 fb->hf_pack_width = 16;
355 fb->hf_pixels_per_pack = 1;
356 fb->hf_pixel_width = 16;
357 /*
358 * XXX: uwe: if I RTFS correctly, this really means
359 * that uint16_t pixel is fetched as little endian.
360 */
361 fb->hf_order_flags = HPCFB_REVORDER_BYTE;
362
363 fb->hf_class_data_length = sizeof(struct hf_rgb_tag);
364 /* reserved for future use */
365 fb->hf_u.hf_rgb.hf_flags = 0;
366
367 fb->hf_u.hf_rgb.hf_red_width = 5;
368 fb->hf_u.hf_rgb.hf_red_shift = 11;
369 fb->hf_u.hf_rgb.hf_green_width = 6;
370 fb->hf_u.hf_rgb.hf_green_shift = 5;
371 fb->hf_u.hf_rgb.hf_blue_width = 5;
372 fb->hf_u.hf_rgb.hf_blue_shift = 0;
373 fb->hf_u.hf_rgb.hf_alpha_width = 0;
374 fb->hf_u.hf_rgb.hf_alpha_shift = 0;
375 break;
376
377 case 8:
378 fb->hf_class = HPCFB_CLASS_INDEXCOLOR;
379 fb->hf_access_flags |= HPCFB_ACCESS_STATIC;
380 fb->hf_pack_width = 8;
381 fb->hf_pixels_per_pack = 1;
382 fb->hf_pixel_width = 8;
383 fb->hf_class_data_length = sizeof(struct hf_indexed_tag);
384 /* reserved for future use */
385 fb->hf_u.hf_indexed.hf_flags = 0;
386 break;
387 }
388 }
389
390 STATIC void
391 hd64461video_hwaccel_init(struct hd64461video_chip *hvc)
392 {
393 uint16_t r;
394
395 r = HD64461_LCDGRCFGR_ACCRESET;
396 switch (hvc->vc.vc_fbdepth) {
397 default:
398 panic("no bitblit acceralation.");
399 case 16:
400 break;
401 case 8:
402 r |= HD64461_LCDGRCFGR_COLORDEPTH_8BPP;
403 break;
404 }
405 hd64461_reg_write_2(HD64461_LCDGRCFGR_REG16, r);
406
407 while ((hd64461_reg_read_2(HD64461_LCDGRCFGR_REG16) &
408 HD64461_LCDGRCFGR_ACCSTATUS) != 0)
409 continue;
410
411 r &= ~HD64461_LCDGRCFGR_ACCRESET;
412 hd64461_reg_write_2(HD64461_LCDGRCFGR_REG16, r);
413
414 while ((hd64461_reg_read_2(HD64461_LCDGRCFGR_REG16) &
415 HD64461_LCDGRCFGR_ACCSTATUS) != 0)
416 continue;
417
418 hd64461_reg_write_2(HD64461_LCDGRDOR_REG16,
419 (hvc->vc.vc_fbwidth - 1) & HD64461_LCDGRDOR_MASK);
420 }
421
422 /* hpcfb ops */
423 STATIC int
424 hd64461video_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
425 {
426 struct hd64461video_softc *sc = (struct hd64461video_softc *)v;
427 struct hpcfb_fbconf *hf = &sc->sc_vc->hf;
428 struct hpcfb_fbconf *fbconf;
429 struct hpcfb_dspconf *dspconf;
430 struct wsdisplay_cmap *cmap;
431 struct wsdisplay_param *dispparam;
432 long id, idmax;
433 int turnoff;
434 uint8_t *r, *g, *b;
435 int error;
436 size_t idx, cnt;
437
438 switch (cmd) {
439 case WSDISPLAYIO_GVIDEO:
440 *(u_int *)data = sc->sc_vc->blanked ?
441 WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON;
442 return (0);
443
444 case WSDISPLAYIO_SVIDEO:
445 turnoff = (*(u_int *)data == WSDISPLAYIO_VIDEO_OFF);
446 if (sc->sc_vc->blanked != turnoff) {
447 sc->sc_vc->blanked = turnoff;
448 if (turnoff)
449 hd64461video_off(sc->sc_vc);
450 else
451 hd64461video_on(sc->sc_vc);
452 }
453
454 return (0);
455
456 case WSDISPLAYIO_GETPARAM:
457 dispparam = (struct wsdisplay_param *)data;
458 dispparam->min = 0;
459 switch (dispparam->param) {
460 case WSDISPLAYIO_PARAM_BACKLIGHT:
461 id = CONFIG_HOOK_POWER_LCDLIGHT;
462 idmax = -1;
463 dispparam->max = ~0;
464 break;
465 case WSDISPLAYIO_PARAM_BRIGHTNESS:
466 id = CONFIG_HOOK_BRIGHTNESS;
467 idmax = CONFIG_HOOK_BRIGHTNESS_MAX;
468 break;
469 case WSDISPLAYIO_PARAM_CONTRAST:
470 id = CONFIG_HOOK_CONTRAST;
471 idmax = CONFIG_HOOK_CONTRAST_MAX;
472 break;
473 default:
474 return (EINVAL);
475 }
476
477 if (idmax >= 0) {
478 error = config_hook_call(CONFIG_HOOK_GET, idmax,
479 &dispparam->max);
480 if (error)
481 return (error);
482 }
483 return config_hook_call(CONFIG_HOOK_GET, id,
484 &dispparam->curval);
485
486 case WSDISPLAYIO_SETPARAM:
487 dispparam = (struct wsdisplay_param *)data;
488 switch (dispparam->param) {
489 case WSDISPLAYIO_PARAM_BACKLIGHT:
490 id = CONFIG_HOOK_POWER_LCDLIGHT;
491 break;
492 case WSDISPLAYIO_PARAM_BRIGHTNESS:
493 id = CONFIG_HOOK_BRIGHTNESS;
494 break;
495 case WSDISPLAYIO_PARAM_CONTRAST:
496 id = CONFIG_HOOK_CONTRAST;
497 break;
498 default:
499 return (EINVAL);
500 }
501 return config_hook_call(CONFIG_HOOK_SET, id,
502 &dispparam->curval);
503
504 case WSDISPLAYIO_GETCMAP:
505 cmap = (struct wsdisplay_cmap *)data;
506 cnt = cmap->count;
507 idx = cmap->index;
508
509 if (hf->hf_class != HPCFB_CLASS_INDEXCOLOR ||
510 hf->hf_pack_width != 8 ||
511 !LEGAL_CLUT_INDEX(idx) ||
512 !LEGAL_CLUT_INDEX(idx + cnt -1)) {
513 return (EINVAL);
514 }
515
516 error = cmap_work_alloc(&r, &g, &b, 0, cnt);
517 if (error)
518 goto out;
519 hd64461video_get_clut(sc->sc_vc, idx, cnt, r, g, b);
520 error = copyout(r, cmap->red, cnt);
521 if (error)
522 goto out;
523 error = copyout(g, cmap->green,cnt);
524 if (error)
525 goto out;
526 error = copyout(b, cmap->blue, cnt);
527
528 out:
529 cmap_work_free(r, g, b, 0);
530 return error;
531
532 case WSDISPLAYIO_PUTCMAP:
533 cmap = (struct wsdisplay_cmap *)data;
534 cnt = cmap->count;
535 idx = cmap->index;
536
537 if (hf->hf_class != HPCFB_CLASS_INDEXCOLOR ||
538 hf->hf_pack_width != 8 ||
539 !LEGAL_CLUT_INDEX(idx) ||
540 !LEGAL_CLUT_INDEX(idx + cnt -1)) {
541 return (EINVAL);
542 }
543
544 error = cmap_work_alloc(&r, &g, &b, 0, cnt);
545 if (error)
546 goto out;
547
548 error = copyin(cmap->red, r, cnt);
549 if (error)
550 goto out;
551 error = copyin(cmap->green,g, cnt);
552 if (error)
553 goto out;
554 error = copyin(cmap->blue, b, cnt);
555 if (error)
556 goto out;
557 hd64461video_set_clut(sc->sc_vc, idx, cnt, r, g, b);
558 goto out;
559
560 case HPCFBIO_GCONF:
561 fbconf = (struct hpcfb_fbconf *)data;
562 if (fbconf->hf_conf_index != 0 &&
563 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) {
564 return (EINVAL);
565 }
566 *fbconf = *hf; /* structure assignment */
567 return (0);
568
569 case HPCFBIO_SCONF:
570 fbconf = (struct hpcfb_fbconf *)data;
571 if (fbconf->hf_conf_index != 0 &&
572 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) {
573 return (EINVAL);
574 }
575 /*
576 * nothing to do because we have only one configuration
577 */
578 return (0);
579
580 case HPCFBIO_GDSPCONF:
581 dspconf = (struct hpcfb_dspconf *)data;
582 if ((dspconf->hd_unit_index != 0 &&
583 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) ||
584 (dspconf->hd_conf_index != 0 &&
585 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) {
586 return (EINVAL);
587 }
588 *dspconf = sc->sc_vc->hd; /* structure assignment */
589 return (0);
590
591 case HPCFBIO_SDSPCONF:
592 dspconf = (struct hpcfb_dspconf *)data;
593 if ((dspconf->hd_unit_index != 0 &&
594 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) ||
595 (dspconf->hd_conf_index != 0 &&
596 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) {
597 return (EINVAL);
598 }
599 /*
600 * nothing to do
601 * because we have only one unit and one configuration
602 */
603 return (0);
604
605 case HPCFBIO_GOP:
606 case HPCFBIO_SOP:
607 /* XXX not implemented yet */
608 return (EINVAL);
609 }
610
611 return (EPASSTHROUGH);
612 }
613
614 STATIC paddr_t
615 hd64461video_mmap(void *ctx, off_t offset, int prot)
616 {
617 struct hd64461video_softc *sc = (struct hd64461video_softc *)ctx;
618 struct hpcfb_fbconf *hf = &sc->sc_vc->hf;
619
620 if (offset < 0 || (hf->hf_bytes_per_plane + hf->hf_offset) < offset)
621 return (-1);
622
623 return (sh3_btop(HD64461_FBBASE + offset));
624 }
625
626
627 #ifdef HD64461VIDEO_HWACCEL
628
629 STATIC void
630 hd64461video_cursor(void *ctx, int on, int xd, int yd, int w, int h)
631 {
632 struct hd64461video_softc *sc = (struct hd64461video_softc *)ctx;
633 int xw, yh, width, bpp, adr;
634 uint16_t r;
635
636 width = sc->sc_vc->vc.vc_fbwidth;
637 bpp = sc->sc_vc->vc.vc_fbdepth;
638 xw = w - 1;
639 yh = h - 1;
640
641 /* Wait until previous command done. */
642 hd64461video_iodone(ctx);
643
644 /* Destination addr */
645 adr = width * yd + xd;
646 if (bpp == 16)
647 adr *= 2;
648 hd64461_reg_write_2(HD64461_LCDBBTDSARH_REG16,
649 HD64461_LCDBBTDSARH(adr));
650 hd64461_reg_write_2(HD64461_LCDBBTDSARL_REG16,
651 HD64461_LCDBBTDSARL(adr));
652
653 // Width
654 hd64461_reg_write_2(HD64461_LCDBBTDWR_REG16,
655 xw & HD64461_LCDBBTDWR_MASK);
656
657 // Height
658 hd64461_reg_write_2(HD64461_LCDBBTDHR_REG16,
659 yh & HD64461_LCDBBTDHR_MASK);
660
661 // Operation (Destination Invert)
662 hd64461_reg_write_2(HD64461_LCDBBTROPR_REG16,
663 HD64461_LCDC_BITBLT_DSTINVERT);
664
665 // BitBLT mode (Destination Invert)
666 hd64461_reg_write_2(HD64461_LCDBBTMDR_REG16, 0);
667
668 // Kick.
669 r = hd64461_reg_read_2(HD64461_LCDGRCFGR_REG16);
670 r &= ~HD64461_LCDGRCFGR_ACCSTART_MASK;
671 r |= HD64461_LCDGRCFGR_ACCSTART_BITBLT;
672 hd64461_reg_write_2(HD64461_LCDGRCFGR_REG16, r);
673 }
674
675 STATIC void
676 hd64461video_bitblit(void *ctx, int xs, int ys, int xd, int yd, int h, int w)
677 {
678 struct hd64461video_softc *sc = (struct hd64461video_softc *)ctx;
679 int xw, yh, width, bpp, condition_a, adr;
680 uint16_t r;
681
682 xw = w - 1;
683 yh = h - 1;
684 width = sc->sc_vc->vc.vc_fbwidth;
685 bpp = sc->sc_vc->vc.vc_fbdepth;
686 condition_a = ((ys == yd) && (xs <= xd)) || (ys < yd);
687
688 hd64461video_iodone(ctx);
689
690 // Source addr
691 if (condition_a)
692 adr = (width * (ys + yh)) + (xs + xw);
693 else
694 adr = width * ys + xs;
695 if (bpp == 16)
696 adr *= 2;
697
698 hd64461_reg_write_2(HD64461_LCDBBTSSARH_REG16,
699 HD64461_LCDBBTSSARH(adr));
700 hd64461_reg_write_2(HD64461_LCDBBTSSARL_REG16,
701 HD64461_LCDBBTSSARL(adr));
702
703 // Destination addr
704 if (condition_a)
705 adr = (width * (yd + yh)) + (xd + xw);
706 else
707 adr = width * yd + xd;
708 if (bpp == 16)
709 adr *= 2;
710
711 hd64461_reg_write_2(HD64461_LCDBBTDSARH_REG16,
712 HD64461_LCDBBTDSARH(adr));
713 hd64461_reg_write_2(HD64461_LCDBBTDSARL_REG16,
714 HD64461_LCDBBTDSARL(adr));
715
716 // Width
717 hd64461_reg_write_2(HD64461_LCDBBTDWR_REG16,
718 xw & HD64461_LCDBBTDWR_MASK);
719
720 // Height
721 hd64461_reg_write_2(HD64461_LCDBBTDHR_REG16,
722 yh & HD64461_LCDBBTDHR_MASK);
723
724 // Operation (source copy)
725 hd64461_reg_write_2(HD64461_LCDBBTROPR_REG16,
726 HD64461_LCDC_BITBLT_SRCCOPY);
727
728 // BitBLT mode (on screen to on screen)
729 r = HD64461_LCDBBTMDR_SET(0,
730 HD64461_LCDBBTMDR_ON_SCREEN_TO_ON_SCREEN);
731 if (condition_a) /* reverse direction */
732 r |= HD64461_LCDBBTMDR_SCANDRCT_RL_BT;
733 hd64461_reg_write_2(HD64461_LCDBBTMDR_REG16, r);
734
735 // Kick.
736 r = hd64461_reg_read_2(HD64461_LCDGRCFGR_REG16);
737 r &= ~HD64461_LCDGRCFGR_ACCSTART_MASK;
738 r |= HD64461_LCDGRCFGR_ACCSTART_BITBLT;
739 hd64461_reg_write_2(HD64461_LCDGRCFGR_REG16, r);
740 }
741
742 STATIC void
743 hd64461video_erase(void *ctx, int xd, int yd, int h, int w, int attr)
744 {
745 struct hd64461video_softc *sc = (struct hd64461video_softc *)ctx;
746 int xw, yh, width, bpp, adr;
747 uint16_t r;
748
749 width = sc->sc_vc->vc.vc_fbwidth;
750 bpp = sc->sc_vc->vc.vc_fbdepth;
751 xw = w - 1;
752 yh = h - 1;
753
754 /* Wait until previous command done. */
755 hd64461video_iodone(ctx);
756
757 /* Destination addr */
758 adr = width * yd + xd;
759 if (bpp == 16)
760 adr *= 2;
761 hd64461_reg_write_2(HD64461_LCDBBTDSARH_REG16,
762 HD64461_LCDBBTDSARH(adr));
763 hd64461_reg_write_2(HD64461_LCDBBTDSARL_REG16,
764 HD64461_LCDBBTDSARL(adr));
765
766 // Width
767 hd64461_reg_write_2(HD64461_LCDBBTDWR_REG16,
768 xw & HD64461_LCDBBTDWR_MASK);
769
770 // Height
771 hd64461_reg_write_2(HD64461_LCDBBTDHR_REG16,
772 yh & HD64461_LCDBBTDHR_MASK);
773
774 // Color
775 hd64461_reg_write_2(HD64461_LCDGRSCR_REG16, 0); //XXX black only
776
777 // Operation (Solid Color Fill)
778 hd64461_reg_write_2(HD64461_LCDBBTROPR_REG16,
779 HD64461_LCDC_BITBLT_PATCOPY);
780
781 // BitBLT mode (Solid Color)
782 hd64461_reg_write_2(HD64461_LCDBBTMDR_REG16,
783 HD64461_LCDBBTMDR_PATSELECT_SOLIDCOLOR);
784
785 // Kick.
786 r = hd64461_reg_read_2(HD64461_LCDGRCFGR_REG16);
787 r &= ~HD64461_LCDGRCFGR_ACCSTART_MASK;
788 r |= HD64461_LCDGRCFGR_ACCSTART_BITBLT;
789 hd64461_reg_write_2(HD64461_LCDGRCFGR_REG16, r);
790 }
791
792 STATIC void
793 hd64461video_putchar(void *ctx, int row, int col, struct wsdisplay_font *font,
794 int fclr, int uclr, u_int uc, int attr)
795 {
796 struct hd64461video_softc *sc = (struct hd64461video_softc *)ctx;
797 int w, h, cw;
798
799 w = font->fontwidth;
800 h = font->fontheight;
801 cw = sc->sc_font.cw;
802 hd64461video_bitblit(ctx, (uc % cw) * w,
803 sc->sc_vc->vc.vc_fbheight + (uc / cw) * h, row, col, h, w);
804 }
805
806 STATIC void
807 hd64461video_setclut(void *ctx, struct rasops_info *info)
808 {
809 struct hd64461video_softc *sc = (struct hd64461video_softc *)ctx;
810
811 if (sc->sc_vc->vc.vc_fbdepth != 8)
812 return;
813 }
814
815 STATIC void
816 hd64461video_font(void *ctx, struct wsdisplay_font *font)
817 {
818 struct hd64461video_softc *sc = (struct hd64461video_softc *)ctx;
819
820 hd64461video_font_set_attr(sc, font);
821 hd64461video_font_load(sc);
822 }
823
824 STATIC void
825 hd64461video_iodone(void *ctx)
826 {
827
828 while ((hd64461_reg_read_2(HD64461_LCDGRCFGR_REG16) &
829 HD64461_LCDGRCFGR_ACCSTATUS) != 0)
830 continue;
831 }
832
833 /* internal */
834 STATIC void
835 hd64461video_font_load_16bpp(uint16_t *d, uint8_t *s, int w, int h, int step)
836 {
837 int i, j, n;
838 n = step / sizeof(uint16_t);
839
840 for (i = 0; i < h; i++, d += n) {
841 for (j = 0; j < w; j++) {
842 d[j] = *s & (1 << (w - j - 1)) ? 0xffff : 0x0000;
843 }
844 s++;
845 }
846 }
847
848 STATIC void
849 hd64461video_font_load_8bpp(uint8_t *d, uint8_t *s, int w, int h, int step)
850 {
851 int i, j, n;
852 n = step / sizeof(uint8_t);
853
854 for (i = 0; i < h; i++, d += n) {
855 for (j = 0; j < w; j++) {
856 d[j] = *s & (1 << (w - j - 1)) ? 0xff : 0x00;
857 }
858 s++;
859 }
860 }
861
862 STATIC void
863 hd64461video_font_set_attr(struct hd64461video_softc *sc,
864 struct wsdisplay_font *f)
865 {
866 struct hd64461video_chip *hvc = sc->sc_vc;
867 struct wsdisplay_font *font = &sc->sc_font.wsfont;
868 int w, h, bpp;
869
870 w = f->fontwidth;
871 h = f->fontheight;
872 bpp = hvc->vc.vc_fbdepth;
873
874 *font = *f;
875 sc->sc_font.c = (w * bpp) / NBBY;
876 sc->sc_font.cw = hvc->hf.hf_width / w;
877 sc->sc_font.cstep = ((w * h * bpp) / NBBY) * sc->sc_font.cw;
878
879 DPRINTF("c = %d cw = %d cstep = %d\n", sc->sc_font.c,
880 sc->sc_font.cw, sc->sc_font.cstep);
881
882 }
883
884 /* return frame buffer virtual address of charcter #n */
885 STATIC vaddr_t
886 hd64461video_font_start_addr(struct hd64461video_softc *sc, int n)
887 {
888 struct hd64461video_chip *hvc = sc->sc_vc;
889 struct hd64461video_font *font = &sc->sc_font;
890 vaddr_t base;
891
892 base = (vaddr_t)hvc->off_screen_addr;
893 base += (n / font->cw) * font->cstep + font->c * (n % font->cw);
894
895 return base;
896 }
897
898 STATIC void
899 hd64461video_font_load(struct hd64461video_softc *sc)
900 {
901 struct hd64461video_chip *hvc = sc->sc_vc;
902 struct wsdisplay_font *font = &sc->sc_font.wsfont;
903 uint8_t *q;
904 int w, h, step, i, n;
905
906 if (sc->sc_font.loaded) {
907 printf("reload font\n");
908 }
909
910 w = font->fontwidth;
911 h = font->fontheight;
912 step = sc->sc_font.cw * sc->sc_font.c;
913 n = (w * h) / NBBY;
914 q = font->data;
915
916 DPRINTF("%s (%dx%d) %d+%d\n", font->name, w, h, font->firstchar,
917 font->numchars);
918 DPRINTF("bitorder %d byteorder %d stride %d\n", font->bitorder,
919 font->byteorder, font->stride);
920
921 switch (hvc->vc.vc_fbdepth) {
922 case 8:
923 for (i = font->firstchar; i < font->numchars; i++) {
924 hd64461video_font_load_8bpp
925 ((uint8_t *)hd64461video_font_start_addr(sc, i),
926 q, w, h, step);
927 q += n;
928 }
929 break;
930 case 16:
931 for (i = font->firstchar; i < font->numchars; i++) {
932 hd64461video_font_load_16bpp
933 ((uint16_t *)hd64461video_font_start_addr(sc, i),
934 q, w, h, step);
935 q += n;
936 }
937 break;
938 }
939
940 sc->sc_font.loaded = true;
941 }
942 #endif /* HD64461VIDEO_HWACCEL */
943
944 STATIC void
945 hd64461video_update_videochip_status(struct hd64461video_chip *hvc)
946 {
947 struct video_chip *vc = &hvc->vc;
948 uint16_t r;
949 int i;
950 int depth, width, height;
951
952 depth = 0; /* XXX: -Wuninitialized */
953
954 /* display mode */
955 r = hd64461_reg_read_2(HD64461_LCDLDR3_REG16);
956 i = HD64461_LCDLDR3_CG(r);
957 switch (i) {
958 case HD64461_LCDLDR3_CG_COLOR16:
959 depth = 16;
960 hvc->mode = LCD64K_C;
961 break;
962 case HD64461_LCDLDR3_CG_COLOR8:
963 depth = 8;
964 hvc->mode = LCD256_C;
965 break;
966 case HD64461_LCDLDR3_CG_GRAY6:
967 depth = 6;
968 hvc->mode = LCD64_MONO;
969 break;
970 case HD64461_LCDLDR3_CG_GRAY4:
971 depth = 4;
972 hvc->mode = LCD16_MONO;
973 break;
974 case HD64461_LCDLDR3_CG_GRAY2:
975 depth = 2;
976 hvc->mode = LCD4_MONO;
977 break;
978 case HD64461_LCDLDR3_CG_GRAY1:
979 depth = 1;
980 hvc->mode = LCD2_MONO;
981 break;
982 }
983
984 r = hd64461_reg_read_2(HD64461_LCDCCR_REG16);
985 i = HD64461_LCDCCR_DSPSEL(i);
986 switch (i) {
987 case HD64461_LCDCCR_DSPSEL_LCD_CRT:
988 depth = 8;
989 hvc->mode = LCDCRT;
990 break;
991 case HD64461_LCDCCR_DSPSEL_CRT:
992 depth = 8;
993 hvc->mode = CRT256_C;
994 break;
995 case HD64461_LCDCCR_DSPSEL_LCD:
996 /* nothing to do */
997 break;
998 }
999
1000 callout_init(&hvc->unblank_ch, 0);
1001 hvc->blanked = 0;
1002
1003 width = bootinfo->fb_width;
1004 height = bootinfo->fb_height;
1005
1006 vc->vc_fbvaddr = HD64461_FBBASE;
1007 vc->vc_fbpaddr = HD64461_FBBASE;
1008 vc->vc_fbdepth = depth;
1009 vc->vc_fbsize = (width * height * depth) / NBBY;
1010 vc->vc_fbwidth = width;
1011 vc->vc_fbheight = height;
1012 }
1013
1014 #if notyet
1015 STATIC void
1016 hd64461video_set_display_mode(struct hd64461video_chip *hvc)
1017 {
1018
1019 if (hvc->mode == LCDCRT || hvc->mode == CRT256_C)
1020 hd64461video_set_display_mode_crtc(hvc);
1021
1022 hd64461video_set_display_mode_lcdc(hvc);
1023 }
1024
1025 STATIC void
1026 hd64461video_set_display_mode_lcdc(struct hd64461video_chip *hvc)
1027 {
1028 struct {
1029 uint16_t clor; /* display size 640 x 240 */
1030 uint16_t ldr3;
1031 const char *name;
1032 } disp_conf[] = {
1033 [LCD256_C] = { 640, HD64461_LCDLDR3_CG_COLOR8,
1034 "8bit color" },
1035 [LCD64K_C] = { 640 * 2, HD64461_LCDLDR3_CG_COLOR16,
1036 "16bit color" },
1037 [LCD64_MONO] = { 640, HD64461_LCDLDR3_CG_GRAY6 ,
1038 "6bit grayscale" },
1039 [LCD16_MONO] = { 640 / 2, HD64461_LCDLDR3_CG_GRAY4,
1040 "4bit grayscale" },
1041 [LCD4_MONO] = { 640 / 4, HD64461_LCDLDR3_CG_GRAY2,
1042 "2bit grayscale" },
1043 [LCD2_MONO] = { 640 / 8, HD64461_LCDLDR3_CG_GRAY1,
1044 "monochrome" },
1045 }, *conf;
1046 uint16_t r;
1047 int omode;
1048
1049 conf = &disp_conf[hvc->mode];
1050
1051 hd64461_reg_write_2(HD64461_LCDCLOR_REG16, conf->clor);
1052 r = hd64461_reg_read_2(HD64461_LCDLDR3_REG16);
1053 omode = HD64461_LCDLDR3_CG(r);
1054 r = HD64461_LCDLDR3_CG_CLR(r);
1055 r = HD64461_LCDLDR3_CG_SET(r, conf->ldr3);
1056 hd64461_reg_write_2(HD64461_LCDLDR3_REG16, r);
1057
1058 printf("%s ", conf->name);
1059 }
1060
1061 STATIC void
1062 hd64461video_set_display_mode_crtc(struct hd64461video_chip *hvc)
1063 {
1064 /* not yet */
1065 }
1066
1067 #endif /* notyet */
1068
1069 STATIC size_t
1070 hd64461video_frame_buffer_size(struct hd64461video_chip *hvc)
1071 {
1072 vaddr_t page, startaddr, endaddr;
1073 int x;
1074
1075 startaddr = HD64461_FBBASE;
1076 endaddr = startaddr + HD64461_FBSIZE - 1;
1077
1078 page = startaddr;
1079
1080 x = random();
1081 *(volatile int *)(page + 0) = x;
1082 *(volatile int *)(page + 4) = ~x;
1083
1084 if (*(volatile int *)(page + 0) != x ||
1085 *(volatile int *)(page + 4) != ~x)
1086 return (0);
1087
1088 for (page += HD64461_FBPAGESIZE; page < endaddr;
1089 page += HD64461_FBPAGESIZE) {
1090 if (*(volatile int *)(page + 0) == x &&
1091 *(volatile int *)(page + 4) == ~x)
1092 goto fbend_found;
1093 }
1094
1095 page -= HD64461_FBPAGESIZE;
1096 *(volatile int *)(page + 0) = x;
1097 *(volatile int *)(page + 4) = ~x;
1098
1099 if (*(volatile int *)(page + 0) != x ||
1100 *(volatile int *)(page + 4) != ~x)
1101 return (0);
1102
1103 fbend_found:
1104 return (page - startaddr);
1105 }
1106
1107 STATIC void
1108 hd64461video_set_clut(struct hd64461video_chip *vc, int idx, int cnt,
1109 uint8_t *r, uint8_t *g, uint8_t *b)
1110 {
1111 KASSERT(r && g && b);
1112
1113 /* index pallete */
1114 hd64461_reg_write_2(HD64461_LCDCPTWAR_REG16,
1115 HD64461_LCDCPTWAR_SET(0, idx));
1116 /* set data */
1117 while (cnt && LEGAL_CLUT_INDEX(idx)) {
1118 uint16_t v;
1119 #define HD64461VIDEO_SET_CLUT(x) \
1120 v = (x >> 2) & 0x3f; \
1121 hd64461_reg_write_2(HD64461_LCDCPTWDR_REG16, v)
1122 HD64461VIDEO_SET_CLUT(*r);
1123 HD64461VIDEO_SET_CLUT(*g);
1124 HD64461VIDEO_SET_CLUT(*b);
1125 #undef HD64461VIDEO_SET_CLUT
1126 r++, g++, b++;
1127 idx++, cnt--;
1128 }
1129 }
1130
1131 STATIC void
1132 hd64461video_get_clut(struct hd64461video_chip *vc, int idx, int cnt,
1133 uint8_t *r, uint8_t *g, uint8_t *b)
1134 {
1135 KASSERT(r && g && b);
1136
1137 /* index pallete */
1138 hd64461_reg_write_2(HD64461_LCDCPTRAR_REG16,
1139 HD64461_LCDCPTRAR_SET(0, idx));
1140
1141 /* get data */
1142 while (cnt && LEGAL_CLUT_INDEX(idx)) {
1143 uint16_t v;
1144 #define HD64461VIDEO_GET_CLUT(x) \
1145 v = hd64461_reg_read_2(HD64461_LCDCPTRDR_REG16); \
1146 x = HD64461_LCDCPTRDR(v); \
1147 x <<= 2
1148 HD64461VIDEO_GET_CLUT(*r);
1149 HD64461VIDEO_GET_CLUT(*g);
1150 HD64461VIDEO_GET_CLUT(*b);
1151 #undef HD64461VIDEO_GET_CLUT
1152 r++, g++, b++;
1153 idx++, cnt--;
1154 }
1155 }
1156
1157 STATIC int
1158 hd64461video_power(void *ctx, int type, long id, void *msg)
1159 {
1160 struct hd64461video_softc *sc = ctx;
1161 struct hd64461video_chip *hvc = sc->sc_vc;
1162
1163 switch ((int)msg) {
1164 case PWR_RESUME:
1165 DPRINTF("%s: ON%s\n", device_xname(sc->sc_dev),
1166 sc->sc_vc->blanked ? " (blanked)" : "");
1167 if (!sc->sc_vc->blanked)
1168 hd64461video_on(hvc);
1169 break;
1170 case PWR_SUSPEND:
1171 /* FALLTHROUGH */
1172 case PWR_STANDBY:
1173 DPRINTF("%s: OFF\n", device_xname(sc->sc_dev));
1174 hd64461video_off(hvc);
1175 break;
1176 }
1177
1178 return 0;
1179 }
1180
1181 STATIC void
1182 hd64461video_off(struct hd64461video_chip *vc)
1183 {
1184
1185 callout_stop(&vc->unblank_ch);
1186
1187 /* turn off display in LCDC */
1188 hd64461video_display_onoff(vc, false);
1189
1190 /* turn off the LCD */
1191 config_hook_call(CONFIG_HOOK_POWERCONTROL,
1192 CONFIG_HOOK_POWERCONTROL_LCD,
1193 (void *)0);
1194 }
1195
1196 STATIC void
1197 hd64461video_on(struct hd64461video_chip *vc)
1198 {
1199 int err;
1200
1201 /* turn on the LCD */
1202 err = config_hook_call(CONFIG_HOOK_POWERCONTROL,
1203 CONFIG_HOOK_POWERCONTROL_LCD,
1204 (void *)1);
1205
1206 if (err == 0)
1207 /* let the LCD warm up before turning on the display */
1208 callout_reset(&vc->unblank_ch, hz/2,
1209 hd64461video_display_on, vc);
1210 else
1211 hd64461video_display_onoff(vc, true);
1212 }
1213
1214 STATIC void
1215 hd64461video_display_on(void *arg)
1216 {
1217
1218 hd64461video_display_onoff(arg, true);
1219 }
1220
1221 STATIC void
1222 hd64461video_display_onoff(void *arg, bool on)
1223 {
1224 /* struct hd64461video_chip *vc = arg; */
1225 uint16_t r;
1226
1227 if (platid_match(&platid, &platid_mask_MACH_HITACHI_PERSONA))
1228 return;
1229
1230 /* turn on/off display in LCDC */
1231 r = hd64461_reg_read_2(HD64461_LCDLDR1_REG16);
1232 if (on)
1233 r |= HD64461_LCDLDR1_DON;
1234 else
1235 r &= ~HD64461_LCDLDR1_DON;
1236 hd64461_reg_write_2(HD64461_LCDLDR1_REG16, r);
1237 }
1238
1239 #ifdef HD64461VIDEO_DEBUG
1240 STATIC void
1241 hd64461video_info(struct hd64461video_softc *sc)
1242 {
1243 uint16_t r;
1244 int color;
1245 int i;
1246
1247 dbg_banner_function();
1248 printf("---[LCD]---\n");
1249 /* Base Address Register */
1250 r = hd64461_reg_read_2(HD64461_LCDCBAR_REG16);
1251 printf("LCDCBAR Frame buffer base address (4KB align): 0x%08x\n",
1252 HD64461_LCDCBAR_BASEADDR(r));
1253
1254 /* Line Address Offset Register */
1255 r = hd64461_reg_read_2(HD64461_LCDCLOR_REG16);
1256 printf("LCDCLOR Line address offset: %d\n", HD64461_LCDCLOR(r));
1257
1258 /* LCDC Control Register */
1259 r = hd64461_reg_read_2(HD64461_LCDCCR_REG16);
1260 i = HD64461_LCDCCR_DSPSEL(r);
1261 #define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_LCDCCR_##m, #m)
1262 printf("LCDCCR (LCD Control Register)\n");
1263 DBG_BITMASK_PRINT(r, STBAK);
1264 DBG_BITMASK_PRINT(r, STREQ);
1265 DBG_BITMASK_PRINT(r, MOFF);
1266 DBG_BITMASK_PRINT(r, REFSEL);
1267 DBG_BITMASK_PRINT(r, EPON);
1268 DBG_BITMASK_PRINT(r, SPON);
1269 printf("\n");
1270 #undef DBG_BITMASK_PRINT
1271 printf("LCDCCR Display select LCD[%c] CRT[%c]\n",
1272 i == HD64461_LCDCCR_DSPSEL_LCD_CRT ||
1273 i == HD64461_LCDCCR_DSPSEL_LCD ? 'x' : '_',
1274 i == HD64461_LCDCCR_DSPSEL_LCD_CRT ||
1275 i == HD64461_LCDCCR_DSPSEL_CRT ? 'x' : '_');
1276
1277 /* LCD Display Register */
1278 /* 1 */
1279 r = hd64461_reg_read_2(HD64461_LCDLDR1_REG16);
1280 printf("(LCD Display Register)\n");
1281 #define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_LCDLDR1_##m, #m)
1282 printf("LCDLDR1: ");
1283 DBG_BITMASK_PRINT(r, DINV);
1284 DBG_BITMASK_PRINT(r, DON);
1285 printf("\n");
1286 #undef DBG_BITMASK_PRINT
1287 /* 2 */
1288 r = hd64461_reg_read_2(HD64461_LCDLDR2_REG16);
1289 i = HD64461_LCDLDR2_LM(r);
1290 #define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_LCDLDR2_##m, #m)
1291 printf("LCDLDR2: ");
1292 DBG_BITMASK_PRINT(r, CC1);
1293 DBG_BITMASK_PRINT(r, CC2);
1294 #undef DBG_BITMASK_PRINT
1295 color = 0;
1296 switch (i) {
1297 default:
1298 panic("unknown unknown LCD interface.");
1299 break;
1300 case HD64461_LCDLDR2_LM_COLOR:
1301 color = 1;
1302 printf("Color");
1303 break;
1304 case HD64461_LCDLDR2_LM_GRAY8:
1305 printf("8-bit grayscale");
1306 break;
1307 case HD64461_LCDLDR2_LM_GRAY4:
1308 printf("4-bit grayscale");
1309 break;
1310 }
1311 printf(" LCD interface\n");
1312 /* 3 */
1313 printf("LCDLDR3: ");
1314 r = hd64461_reg_read_2(HD64461_LCDLDR3_REG16);
1315 i = HD64461_LCDLDR3_CS(r);
1316 printf("CS ");
1317 switch (i) {
1318 case 0:
1319 printf("15");
1320 break;
1321 case 1:
1322 printf("2.5");
1323 break;
1324 case 2:
1325 printf("3.75");
1326 break;
1327 case 4:
1328 printf("5");
1329 break;
1330 case 8:
1331 printf("7.5");
1332 break;
1333 case 16:
1334 printf("10");
1335 break;
1336 }
1337 printf("%s MHz ", color ? "" : "/2");
1338 i = HD64461_LCDLDR3_CG(r);
1339 switch (i) {
1340 case HD64461_LCDLDR3_CG_COLOR16:
1341 printf("Color 64K colors\n");
1342 break;
1343 case HD64461_LCDLDR3_CG_COLOR8:
1344 printf("Color 256 colors\n");
1345 break;
1346 case HD64461_LCDLDR3_CG_GRAY6:
1347 printf("6-bit Grayscale\n");
1348 break;
1349 case HD64461_LCDLDR3_CG_GRAY4:
1350 printf("4-bit Grayscale\n");
1351 break;
1352 case HD64461_LCDLDR3_CG_GRAY2:
1353 printf("2-bit Grayscale\n");
1354 break;
1355 case HD64461_LCDLDR3_CG_GRAY1:
1356 printf("1-bit Grayscale\n");
1357 break;
1358 }
1359
1360 /* LCD Number of Characters in Horizontal Register */
1361 r = hd64461_reg_read_2(HD64461_LCDLDHNCR_REG16);
1362 printf("LDHNCR: NHD %d NHT %d (# of horizontal characters)\n",
1363 HD64461_LCDLDHNCR_NHD(r), HD64461_LCDLDHNCR_NHT(r));
1364
1365 /* Start Position of Horizontal Register */
1366 r = hd64461_reg_read_2(HD64461_LCDLDHNSR_REG16);
1367 printf("LDHNSR: HSW %d HSP %d (start position of horizontal)\n",
1368 HD64461_LCDLDHNSR_HSW(r), HD64461_LCDLDHNSR_HSP(r));
1369
1370 /* Total Vertical Lines Register */
1371 r = hd64461_reg_read_2(HD64461_LCDLDVNTR_REG16);
1372 printf("LDVNTR: %d (total vertical lines)\n",
1373 HD64461_LCDLDVNTR_VTL(r));
1374
1375 /* Display Vertical Lines Register */
1376 r = hd64461_reg_read_2(HD64461_LCDLDVNDR_REG16);
1377 printf("LDVNDR: %d (display vertical lines)\n",
1378 HD64461_LCDLDVSPR_VSP(r));
1379
1380 /* Vertical Synchronization Position Register */
1381 r = hd64461_reg_read_2(HD64461_LCDLDVSPR_REG16);
1382 printf("LDVSPR: %d (vertical synchronization position)\n",
1383 HD64461_LCDLDVSPR_VSP(r));
1384
1385 /*
1386 * CRT Control Register
1387 */
1388 printf("---[CRT]---\n");
1389 r = hd64461_reg_read_2(HD64461_LCDCRTVTR_REG16);
1390 printf("CRTVTR: %d (CRTC total vertical lines)\n",
1391 HD64461_LCDCRTVTR(r));
1392 r = hd64461_reg_read_2(HD64461_LCDCRTVRSR_REG16);
1393 printf("CRTVRSR: %d (CRTC vertical retrace start line)\n",
1394 HD64461_LCDCRTVRSR(r));
1395 r = hd64461_reg_read_2(HD64461_LCDCRTVRER_REG16);
1396 printf("CRTVRER: %d (CRTC vertical retrace end line)\n",
1397 HD64461_LCDCRTVRER(r));
1398
1399 }
1400
1401 STATIC void
1402 hd64461video_dump(void)
1403 {
1404 uint16_t r;
1405 printf("---[Display Mode Setting]---\n");
1406 #define DUMPREG(x) \
1407 r = hd64461_reg_read_2(HD64461_LCD ## x ## _REG16); \
1408 __dbg_bit_print(r, sizeof(uint16_t), 0, 0, #x, DBG_BIT_PRINT_COUNT)
1409 DUMPREG(CBAR);
1410 DUMPREG(CLOR);
1411 DUMPREG(CCR);
1412 DUMPREG(LDR1);
1413 DUMPREG(LDR2);
1414 DUMPREG(LDHNCR);
1415 DUMPREG(LDHNSR);
1416 DUMPREG(LDVNTR);
1417 DUMPREG(LDVNDR);
1418 DUMPREG(LDVSPR);
1419 DUMPREG(LDR3);
1420 DUMPREG(CRTVTR);
1421 DUMPREG(CRTVRSR);
1422 DUMPREG(CRTVRER);
1423 #undef DUMPREG
1424 dbg_banner_line();
1425 }
1426
1427 #endif /* HD64461VIDEO_DEBUG */
1428