hd64461video.c revision 1.52 1 /* $NetBSD: hd64461video.c,v 1.52 2009/04/05 00:56:20 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 1.52 2009/04/05 00:56:20 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
227 hd64461video_display_onoff(&hd64461video_chip, true);
228 // hd64461video_set_display_mode(&hd64461video_chip);
229
230 if (hd64461video_chip.console)
231 aprint_normal(", console");
232
233 aprint_normal("\n");
234 #ifdef HD64461VIDEO_DEBUG
235 hd64461video_info(sc);
236 hd64461video_dump();
237 #endif
238 /* Add a hard power hook to power saving */
239 config_hook(CONFIG_HOOK_PMEVENT, CONFIG_HOOK_PMEVENT_HARDPOWER,
240 CONFIG_HOOK_SHARE, hd64461video_power, sc);
241
242 /* setup hpcfb interface */
243 hd64461video_setup_hpcfbif(&hd64461video_chip);
244
245 /* setup off-screen buffer */
246 on_screen_size = (vc->vc_fbwidth * vc->vc_fbheight * vc->vc_fbdepth) /
247 NBBY;
248 hd64461video_chip.off_screen_addr = (uint8_t *)vc->vc_fbvaddr +
249 on_screen_size;
250 hd64461video_chip.off_screen_size = fbsize - on_screen_size;
251 /* clean up off-screen area */
252 {
253 uint8_t *p = hd64461video_chip.off_screen_addr;
254 uint8_t *end = p + hd64461video_chip.off_screen_size;
255 while (p < end)
256 *p++ = 0xff;
257 }
258
259 /* initialize hardware acceralation */
260 hd64461video_hwaccel_init(&hd64461video_chip);
261
262 /* register interface to hpcfb */
263 hfa.ha_console = hd64461video_chip.console;
264 hfa.ha_accessops = &hd64461video_ha;
265 hfa.ha_accessctx = sc;
266 hfa.ha_curfbconf = 0;
267 hfa.ha_nfbconf = 1;
268 hfa.ha_fbconflist = &hd64461video_chip.hf;
269 hfa.ha_curdspconf = 0;
270 hfa.ha_ndspconf = 1;
271 hfa.ha_dspconflist = &hd64461video_chip.hd;
272
273 config_found(self, &hfa, hpcfbprint);
274
275 /*
276 * XXX: TODO: for now this device manages power using
277 * config_hook(9) registered with hpcapm(4).
278 *
279 * We cannot yet switch it to pmf(9) hooks because only apm(4)
280 * uses them, apmdev(4) doesn't, but hpcapm(4) is the parent
281 * device for both, so its hooks are always run.
282 *
283 * We probably want to register shutdown hook with pmf(9) to
284 * make sure display is powered on before we reboot in case we
285 * end up in ddb early on.
286 */
287 if (!pmf_device_register(self, NULL, NULL))
288 aprint_error_dev(self, "unable to establish power handler\n");
289 }
290
291 /* console support */
292 void
293 hd64461video_cninit(struct consdev *cndev)
294 {
295 hd64461video_chip.console = 1;
296 hd64461video_chip.vc.vc_reverse = video_reverse_color();
297
298 hd64461video_update_videochip_status(&hd64461video_chip);
299 hd64461video_setup_hpcfbif(&hd64461video_chip);
300 hpcfb_cnattach(&hd64461video_chip.hf);
301
302 cn_tab->cn_pri = CN_INTERNAL;
303 }
304
305 void
306 hd64461video_cnprobe(struct consdev *cndev)
307 {
308 #if NWSDISPLAY > 0
309 extern const struct cdevsw wsdisplay_cdevsw;
310 int maj, unit;
311 #endif
312 cndev->cn_dev = NODEV;
313 cndev->cn_pri = CN_NORMAL;
314
315 #if NWSDISPLAY > 0
316 unit = 0;
317 maj = cdevsw_lookup_major(&wsdisplay_cdevsw);
318
319 if (maj != -1) {
320 cndev->cn_pri = CN_INTERNAL;
321 cndev->cn_dev = makedev(maj, unit);
322 }
323 #endif /* NWSDISPLAY > 0 */
324 }
325
326 /* hpcfb support */
327 STATIC void
328 hd64461video_setup_hpcfbif(struct hd64461video_chip *hvc)
329 {
330 struct video_chip *vc = &hvc->vc;
331 struct hpcfb_fbconf *fb = &hvc->hf;
332 vaddr_t fbvaddr = vc->vc_fbvaddr;
333 int height = vc->vc_fbheight;
334 int width = vc->vc_fbwidth;
335 int depth = vc->vc_fbdepth;
336
337 memset(fb, 0, sizeof(struct hpcfb_fbconf));
338
339 fb->hf_conf_index = 0; /* configuration index */
340 fb->hf_nconfs = 1; /* how many configurations */
341 strncpy(fb->hf_name, "HD64461 video module", HPCFB_MAXNAMELEN);
342
343 /* frame buffer name */
344 strncpy(fb->hf_conf_name, "LCD", HPCFB_MAXNAMELEN);
345
346 /* configuration name */
347 fb->hf_height = height;
348 fb->hf_width = width;
349 fb->hf_baseaddr = (u_long)fbvaddr;
350 fb->hf_offset = (u_long)fbvaddr -
351 sh3_ptob(sh3_btop(fbvaddr));
352
353 /* frame buffer start offset */
354 fb->hf_bytes_per_line = (width * depth) / NBBY;
355 fb->hf_nplanes = 1;
356 fb->hf_bytes_per_plane = height * fb->hf_bytes_per_line;
357
358 fb->hf_access_flags |= HPCFB_ACCESS_BYTE;
359 fb->hf_access_flags |= HPCFB_ACCESS_WORD;
360 fb->hf_access_flags |= HPCFB_ACCESS_DWORD;
361 if (vc->vc_reverse)
362 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE;
363
364 switch (depth) {
365 default:
366 panic("%s: not supported color depth", __func__);
367 /* NOTREACHED */
368 case 16:
369 fb->hf_class = HPCFB_CLASS_RGBCOLOR;
370 fb->hf_access_flags |= HPCFB_ACCESS_STATIC;
371 fb->hf_pack_width = 16;
372 fb->hf_pixels_per_pack = 1;
373 fb->hf_pixel_width = 16;
374 /*
375 * XXX: uwe: if I RTFS correctly, this really means
376 * that uint16_t pixel is fetched as little endian.
377 */
378 fb->hf_order_flags = HPCFB_REVORDER_BYTE;
379
380 fb->hf_class_data_length = sizeof(struct hf_rgb_tag);
381 /* reserved for future use */
382 fb->hf_u.hf_rgb.hf_flags = 0;
383
384 fb->hf_u.hf_rgb.hf_red_width = 5;
385 fb->hf_u.hf_rgb.hf_red_shift = 11;
386 fb->hf_u.hf_rgb.hf_green_width = 6;
387 fb->hf_u.hf_rgb.hf_green_shift = 5;
388 fb->hf_u.hf_rgb.hf_blue_width = 5;
389 fb->hf_u.hf_rgb.hf_blue_shift = 0;
390 fb->hf_u.hf_rgb.hf_alpha_width = 0;
391 fb->hf_u.hf_rgb.hf_alpha_shift = 0;
392 break;
393
394 case 8:
395 fb->hf_class = HPCFB_CLASS_INDEXCOLOR;
396 fb->hf_access_flags |= HPCFB_ACCESS_STATIC;
397 fb->hf_pack_width = 8;
398 fb->hf_pixels_per_pack = 1;
399 fb->hf_pixel_width = 8;
400 fb->hf_class_data_length = sizeof(struct hf_indexed_tag);
401 /* reserved for future use */
402 fb->hf_u.hf_indexed.hf_flags = 0;
403 break;
404 }
405 }
406
407 STATIC void
408 hd64461video_hwaccel_init(struct hd64461video_chip *hvc)
409 {
410 uint16_t r;
411
412 r = HD64461_LCDGRCFGR_ACCRESET;
413 switch (hvc->vc.vc_fbdepth) {
414 default:
415 panic("no bitblit acceralation.");
416 case 16:
417 break;
418 case 8:
419 r |= HD64461_LCDGRCFGR_COLORDEPTH_8BPP;
420 break;
421 }
422 hd64461_reg_write_2(HD64461_LCDGRCFGR_REG16, r);
423
424 while ((hd64461_reg_read_2(HD64461_LCDGRCFGR_REG16) &
425 HD64461_LCDGRCFGR_ACCSTATUS) != 0)
426 continue;
427
428 r &= ~HD64461_LCDGRCFGR_ACCRESET;
429 hd64461_reg_write_2(HD64461_LCDGRCFGR_REG16, r);
430
431 while ((hd64461_reg_read_2(HD64461_LCDGRCFGR_REG16) &
432 HD64461_LCDGRCFGR_ACCSTATUS) != 0)
433 continue;
434
435 hd64461_reg_write_2(HD64461_LCDGRDOR_REG16,
436 (hvc->vc.vc_fbwidth - 1) & HD64461_LCDGRDOR_MASK);
437 }
438
439 /* hpcfb ops */
440 STATIC int
441 hd64461video_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
442 {
443 struct hd64461video_softc *sc = (struct hd64461video_softc *)v;
444 struct hpcfb_fbconf *hf = &sc->sc_vc->hf;
445 struct hpcfb_fbconf *fbconf;
446 struct hpcfb_dspconf *dspconf;
447 struct wsdisplay_cmap *cmap;
448 struct wsdisplay_param *dispparam;
449 long id, idmax;
450 int turnoff;
451 uint8_t *r, *g, *b;
452 int error;
453 size_t idx, cnt;
454
455 switch (cmd) {
456 case WSDISPLAYIO_GVIDEO:
457 *(u_int *)data = sc->sc_vc->blanked ?
458 WSDISPLAYIO_VIDEO_OFF : WSDISPLAYIO_VIDEO_ON;
459 return (0);
460
461 case WSDISPLAYIO_SVIDEO:
462 turnoff = (*(u_int *)data == WSDISPLAYIO_VIDEO_OFF);
463 if (sc->sc_vc->blanked != turnoff) {
464 sc->sc_vc->blanked = turnoff;
465 if (turnoff)
466 hd64461video_off(sc->sc_vc);
467 else
468 hd64461video_on(sc->sc_vc);
469 }
470
471 return (0);
472
473 case WSDISPLAYIO_GETPARAM:
474 dispparam = (struct wsdisplay_param *)data;
475 dispparam->min = 0;
476 switch (dispparam->param) {
477 case WSDISPLAYIO_PARAM_BACKLIGHT:
478 id = CONFIG_HOOK_POWER_LCDLIGHT;
479 idmax = -1;
480 dispparam->max = ~0;
481 break;
482 case WSDISPLAYIO_PARAM_BRIGHTNESS:
483 id = CONFIG_HOOK_BRIGHTNESS;
484 idmax = CONFIG_HOOK_BRIGHTNESS_MAX;
485 break;
486 case WSDISPLAYIO_PARAM_CONTRAST:
487 id = CONFIG_HOOK_CONTRAST;
488 idmax = CONFIG_HOOK_CONTRAST_MAX;
489 break;
490 default:
491 return (EINVAL);
492 }
493
494 if (idmax >= 0) {
495 error = config_hook_call(CONFIG_HOOK_GET, idmax,
496 &dispparam->max);
497 if (error)
498 return (error);
499 }
500 return config_hook_call(CONFIG_HOOK_GET, id,
501 &dispparam->curval);
502
503 case WSDISPLAYIO_SETPARAM:
504 dispparam = (struct wsdisplay_param *)data;
505 switch (dispparam->param) {
506 case WSDISPLAYIO_PARAM_BACKLIGHT:
507 id = CONFIG_HOOK_POWER_LCDLIGHT;
508 break;
509 case WSDISPLAYIO_PARAM_BRIGHTNESS:
510 id = CONFIG_HOOK_BRIGHTNESS;
511 break;
512 case WSDISPLAYIO_PARAM_CONTRAST:
513 id = CONFIG_HOOK_CONTRAST;
514 break;
515 default:
516 return (EINVAL);
517 }
518 return config_hook_call(CONFIG_HOOK_SET, id,
519 &dispparam->curval);
520
521 case WSDISPLAYIO_GETCMAP:
522 cmap = (struct wsdisplay_cmap *)data;
523 cnt = cmap->count;
524 idx = cmap->index;
525
526 if (hf->hf_class != HPCFB_CLASS_INDEXCOLOR ||
527 hf->hf_pack_width != 8 ||
528 !LEGAL_CLUT_INDEX(idx) ||
529 !LEGAL_CLUT_INDEX(idx + cnt -1)) {
530 return (EINVAL);
531 }
532
533 error = cmap_work_alloc(&r, &g, &b, 0, cnt);
534 if (error)
535 goto out;
536 hd64461video_get_clut(sc->sc_vc, idx, cnt, r, g, b);
537 error = copyout(r, cmap->red, cnt);
538 if (error)
539 goto out;
540 error = copyout(g, cmap->green,cnt);
541 if (error)
542 goto out;
543 error = copyout(b, cmap->blue, cnt);
544
545 out:
546 cmap_work_free(r, g, b, 0);
547 return error;
548
549 case WSDISPLAYIO_PUTCMAP:
550 cmap = (struct wsdisplay_cmap *)data;
551 cnt = cmap->count;
552 idx = cmap->index;
553
554 if (hf->hf_class != HPCFB_CLASS_INDEXCOLOR ||
555 hf->hf_pack_width != 8 ||
556 !LEGAL_CLUT_INDEX(idx) ||
557 !LEGAL_CLUT_INDEX(idx + cnt -1)) {
558 return (EINVAL);
559 }
560
561 error = cmap_work_alloc(&r, &g, &b, 0, cnt);
562 if (error)
563 goto out;
564
565 error = copyin(cmap->red, r, cnt);
566 if (error)
567 goto out;
568 error = copyin(cmap->green,g, cnt);
569 if (error)
570 goto out;
571 error = copyin(cmap->blue, b, cnt);
572 if (error)
573 goto out;
574 hd64461video_set_clut(sc->sc_vc, idx, cnt, r, g, b);
575 goto out;
576
577 case HPCFBIO_GCONF:
578 fbconf = (struct hpcfb_fbconf *)data;
579 if (fbconf->hf_conf_index != 0 &&
580 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) {
581 return (EINVAL);
582 }
583 *fbconf = *hf; /* structure assignment */
584 return (0);
585
586 case HPCFBIO_SCONF:
587 fbconf = (struct hpcfb_fbconf *)data;
588 if (fbconf->hf_conf_index != 0 &&
589 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) {
590 return (EINVAL);
591 }
592 /*
593 * nothing to do because we have only one configuration
594 */
595 return (0);
596
597 case HPCFBIO_GDSPCONF:
598 dspconf = (struct hpcfb_dspconf *)data;
599 if ((dspconf->hd_unit_index != 0 &&
600 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) ||
601 (dspconf->hd_conf_index != 0 &&
602 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) {
603 return (EINVAL);
604 }
605 *dspconf = sc->sc_vc->hd; /* structure assignment */
606 return (0);
607
608 case HPCFBIO_SDSPCONF:
609 dspconf = (struct hpcfb_dspconf *)data;
610 if ((dspconf->hd_unit_index != 0 &&
611 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) ||
612 (dspconf->hd_conf_index != 0 &&
613 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) {
614 return (EINVAL);
615 }
616 /*
617 * nothing to do
618 * because we have only one unit and one configuration
619 */
620 return (0);
621
622 case HPCFBIO_GOP:
623 case HPCFBIO_SOP:
624 /* XXX not implemented yet */
625 return (EINVAL);
626 }
627
628 return (EPASSTHROUGH);
629 }
630
631 STATIC paddr_t
632 hd64461video_mmap(void *ctx, off_t offset, int prot)
633 {
634 struct hd64461video_softc *sc = (struct hd64461video_softc *)ctx;
635 struct hpcfb_fbconf *hf = &sc->sc_vc->hf;
636
637 if (offset < 0 || (hf->hf_bytes_per_plane + hf->hf_offset) < offset)
638 return (-1);
639
640 return (sh3_btop(HD64461_FBBASE + offset));
641 }
642
643
644 #ifdef HD64461VIDEO_HWACCEL
645
646 STATIC void
647 hd64461video_cursor(void *ctx, int on, int xd, int yd, int w, int h)
648 {
649 struct hd64461video_softc *sc = (struct hd64461video_softc *)ctx;
650 int xw, yh, width, bpp, adr;
651 uint16_t r;
652
653 width = sc->sc_vc->vc.vc_fbwidth;
654 bpp = sc->sc_vc->vc.vc_fbdepth;
655 xw = w - 1;
656 yh = h - 1;
657
658 /* Wait until previous command done. */
659 hd64461video_iodone(ctx);
660
661 /* Destination addr */
662 adr = width * yd + xd;
663 if (bpp == 16)
664 adr *= 2;
665 hd64461_reg_write_2(HD64461_LCDBBTDSARH_REG16,
666 HD64461_LCDBBTDSARH(adr));
667 hd64461_reg_write_2(HD64461_LCDBBTDSARL_REG16,
668 HD64461_LCDBBTDSARL(adr));
669
670 // Width
671 hd64461_reg_write_2(HD64461_LCDBBTDWR_REG16,
672 xw & HD64461_LCDBBTDWR_MASK);
673
674 // Height
675 hd64461_reg_write_2(HD64461_LCDBBTDHR_REG16,
676 yh & HD64461_LCDBBTDHR_MASK);
677
678 // Operation (Destination Invert)
679 hd64461_reg_write_2(HD64461_LCDBBTROPR_REG16,
680 HD64461_LCDC_BITBLT_DSTINVERT);
681
682 // BitBLT mode (Destination Invert)
683 hd64461_reg_write_2(HD64461_LCDBBTMDR_REG16, 0);
684
685 // Kick.
686 r = hd64461_reg_read_2(HD64461_LCDGRCFGR_REG16);
687 r &= ~HD64461_LCDGRCFGR_ACCSTART_MASK;
688 r |= HD64461_LCDGRCFGR_ACCSTART_BITBLT;
689 hd64461_reg_write_2(HD64461_LCDGRCFGR_REG16, r);
690 }
691
692 STATIC void
693 hd64461video_bitblit(void *ctx, int xs, int ys, int xd, int yd, int h, int w)
694 {
695 struct hd64461video_softc *sc = (struct hd64461video_softc *)ctx;
696 int xw, yh, width, bpp, condition_a, adr;
697 uint16_t r;
698
699 xw = w - 1;
700 yh = h - 1;
701 width = sc->sc_vc->vc.vc_fbwidth;
702 bpp = sc->sc_vc->vc.vc_fbdepth;
703 condition_a = ((ys == yd) && (xs <= xd)) || (ys < yd);
704
705 hd64461video_iodone(ctx);
706
707 // Source addr
708 if (condition_a)
709 adr = (width * (ys + yh)) + (xs + xw);
710 else
711 adr = width * ys + xs;
712 if (bpp == 16)
713 adr *= 2;
714
715 hd64461_reg_write_2(HD64461_LCDBBTSSARH_REG16,
716 HD64461_LCDBBTSSARH(adr));
717 hd64461_reg_write_2(HD64461_LCDBBTSSARL_REG16,
718 HD64461_LCDBBTSSARL(adr));
719
720 // Destination addr
721 if (condition_a)
722 adr = (width * (yd + yh)) + (xd + xw);
723 else
724 adr = width * yd + xd;
725 if (bpp == 16)
726 adr *= 2;
727
728 hd64461_reg_write_2(HD64461_LCDBBTDSARH_REG16,
729 HD64461_LCDBBTDSARH(adr));
730 hd64461_reg_write_2(HD64461_LCDBBTDSARL_REG16,
731 HD64461_LCDBBTDSARL(adr));
732
733 // Width
734 hd64461_reg_write_2(HD64461_LCDBBTDWR_REG16,
735 xw & HD64461_LCDBBTDWR_MASK);
736
737 // Height
738 hd64461_reg_write_2(HD64461_LCDBBTDHR_REG16,
739 yh & HD64461_LCDBBTDHR_MASK);
740
741 // Operation (source copy)
742 hd64461_reg_write_2(HD64461_LCDBBTROPR_REG16,
743 HD64461_LCDC_BITBLT_SRCCOPY);
744
745 // BitBLT mode (on screen to on screen)
746 r = HD64461_LCDBBTMDR_SET(0,
747 HD64461_LCDBBTMDR_ON_SCREEN_TO_ON_SCREEN);
748 if (condition_a) /* reverse direction */
749 r |= HD64461_LCDBBTMDR_SCANDRCT_RL_BT;
750 hd64461_reg_write_2(HD64461_LCDBBTMDR_REG16, r);
751
752 // Kick.
753 r = hd64461_reg_read_2(HD64461_LCDGRCFGR_REG16);
754 r &= ~HD64461_LCDGRCFGR_ACCSTART_MASK;
755 r |= HD64461_LCDGRCFGR_ACCSTART_BITBLT;
756 hd64461_reg_write_2(HD64461_LCDGRCFGR_REG16, r);
757 }
758
759 STATIC void
760 hd64461video_erase(void *ctx, int xd, int yd, int h, int w, int attr)
761 {
762 struct hd64461video_softc *sc = (struct hd64461video_softc *)ctx;
763 int xw, yh, width, bpp, adr;
764 uint16_t r;
765
766 width = sc->sc_vc->vc.vc_fbwidth;
767 bpp = sc->sc_vc->vc.vc_fbdepth;
768 xw = w - 1;
769 yh = h - 1;
770
771 /* Wait until previous command done. */
772 hd64461video_iodone(ctx);
773
774 /* Destination addr */
775 adr = width * yd + xd;
776 if (bpp == 16)
777 adr *= 2;
778 hd64461_reg_write_2(HD64461_LCDBBTDSARH_REG16,
779 HD64461_LCDBBTDSARH(adr));
780 hd64461_reg_write_2(HD64461_LCDBBTDSARL_REG16,
781 HD64461_LCDBBTDSARL(adr));
782
783 // Width
784 hd64461_reg_write_2(HD64461_LCDBBTDWR_REG16,
785 xw & HD64461_LCDBBTDWR_MASK);
786
787 // Height
788 hd64461_reg_write_2(HD64461_LCDBBTDHR_REG16,
789 yh & HD64461_LCDBBTDHR_MASK);
790
791 // Color
792 hd64461_reg_write_2(HD64461_LCDGRSCR_REG16, 0); //XXX black only
793
794 // Operation (Solid Color Fill)
795 hd64461_reg_write_2(HD64461_LCDBBTROPR_REG16,
796 HD64461_LCDC_BITBLT_PATCOPY);
797
798 // BitBLT mode (Solid Color)
799 hd64461_reg_write_2(HD64461_LCDBBTMDR_REG16,
800 HD64461_LCDBBTMDR_PATSELECT_SOLIDCOLOR);
801
802 // Kick.
803 r = hd64461_reg_read_2(HD64461_LCDGRCFGR_REG16);
804 r &= ~HD64461_LCDGRCFGR_ACCSTART_MASK;
805 r |= HD64461_LCDGRCFGR_ACCSTART_BITBLT;
806 hd64461_reg_write_2(HD64461_LCDGRCFGR_REG16, r);
807 }
808
809 STATIC void
810 hd64461video_putchar(void *ctx, int row, int col, struct wsdisplay_font *font,
811 int fclr, int uclr, u_int uc, int attr)
812 {
813 struct hd64461video_softc *sc = (struct hd64461video_softc *)ctx;
814 int w, h, cw;
815
816 w = font->fontwidth;
817 h = font->fontheight;
818 cw = sc->sc_font.cw;
819 hd64461video_bitblit(ctx, (uc % cw) * w,
820 sc->sc_vc->vc.vc_fbheight + (uc / cw) * h, row, col, h, w);
821 }
822
823 STATIC void
824 hd64461video_setclut(void *ctx, struct rasops_info *info)
825 {
826 struct hd64461video_softc *sc = (struct hd64461video_softc *)ctx;
827
828 if (sc->sc_vc->vc.vc_fbdepth != 8)
829 return;
830 }
831
832 STATIC void
833 hd64461video_font(void *ctx, struct wsdisplay_font *font)
834 {
835 struct hd64461video_softc *sc = (struct hd64461video_softc *)ctx;
836
837 hd64461video_font_set_attr(sc, font);
838 hd64461video_font_load(sc);
839 }
840
841 STATIC void
842 hd64461video_iodone(void *ctx)
843 {
844
845 while ((hd64461_reg_read_2(HD64461_LCDGRCFGR_REG16) &
846 HD64461_LCDGRCFGR_ACCSTATUS) != 0)
847 continue;
848 }
849
850 /* internal */
851 STATIC void
852 hd64461video_font_load_16bpp(uint16_t *d, uint8_t *s, int w, int h, int step)
853 {
854 int i, j, n;
855 n = step / sizeof(uint16_t);
856
857 for (i = 0; i < h; i++, d += n) {
858 for (j = 0; j < w; j++) {
859 d[j] = *s & (1 << (w - j - 1)) ? 0xffff : 0x0000;
860 }
861 s++;
862 }
863 }
864
865 STATIC void
866 hd64461video_font_load_8bpp(uint8_t *d, uint8_t *s, int w, int h, int step)
867 {
868 int i, j, n;
869 n = step / sizeof(uint8_t);
870
871 for (i = 0; i < h; i++, d += n) {
872 for (j = 0; j < w; j++) {
873 d[j] = *s & (1 << (w - j - 1)) ? 0xff : 0x00;
874 }
875 s++;
876 }
877 }
878
879 STATIC void
880 hd64461video_font_set_attr(struct hd64461video_softc *sc,
881 struct wsdisplay_font *f)
882 {
883 struct hd64461video_chip *hvc = sc->sc_vc;
884 struct wsdisplay_font *font = &sc->sc_font.wsfont;
885 int w, h, bpp;
886
887 w = f->fontwidth;
888 h = f->fontheight;
889 bpp = hvc->vc.vc_fbdepth;
890
891 *font = *f;
892 sc->sc_font.c = (w * bpp) / NBBY;
893 sc->sc_font.cw = hvc->hf.hf_width / w;
894 sc->sc_font.cstep = ((w * h * bpp) / NBBY) * sc->sc_font.cw;
895
896 DPRINTF("c = %d cw = %d cstep = %d\n", sc->sc_font.c,
897 sc->sc_font.cw, sc->sc_font.cstep);
898
899 }
900
901 /* return frame buffer virtual address of charcter #n */
902 STATIC vaddr_t
903 hd64461video_font_start_addr(struct hd64461video_softc *sc, int n)
904 {
905 struct hd64461video_chip *hvc = sc->sc_vc;
906 struct hd64461video_font *font = &sc->sc_font;
907 vaddr_t base;
908
909 base = (vaddr_t)hvc->off_screen_addr;
910 base += (n / font->cw) * font->cstep + font->c * (n % font->cw);
911
912 return base;
913 }
914
915 STATIC void
916 hd64461video_font_load(struct hd64461video_softc *sc)
917 {
918 struct hd64461video_chip *hvc = sc->sc_vc;
919 struct wsdisplay_font *font = &sc->sc_font.wsfont;
920 uint8_t *q;
921 int w, h, step, i, n;
922
923 if (sc->sc_font.loaded) {
924 printf("reload font\n");
925 }
926
927 w = font->fontwidth;
928 h = font->fontheight;
929 step = sc->sc_font.cw * sc->sc_font.c;
930 n = (w * h) / NBBY;
931 q = font->data;
932
933 DPRINTF("%s (%dx%d) %d+%d\n", font->name, w, h, font->firstchar,
934 font->numchars);
935 DPRINTF("bitorder %d byteorder %d stride %d\n", font->bitorder,
936 font->byteorder, font->stride);
937
938 switch (hvc->vc.vc_fbdepth) {
939 case 8:
940 for (i = font->firstchar; i < font->numchars; i++) {
941 hd64461video_font_load_8bpp
942 ((uint8_t *)hd64461video_font_start_addr(sc, i),
943 q, w, h, step);
944 q += n;
945 }
946 break;
947 case 16:
948 for (i = font->firstchar; i < font->numchars; i++) {
949 hd64461video_font_load_16bpp
950 ((uint16_t *)hd64461video_font_start_addr(sc, i),
951 q, w, h, step);
952 q += n;
953 }
954 break;
955 }
956
957 sc->sc_font.loaded = true;
958 }
959 #endif /* HD64461VIDEO_HWACCEL */
960
961 STATIC void
962 hd64461video_update_videochip_status(struct hd64461video_chip *hvc)
963 {
964 struct video_chip *vc = &hvc->vc;
965 uint16_t r;
966 int i;
967 int depth, width, height;
968
969 depth = 0; /* XXX: -Wuninitialized */
970
971 /* display mode */
972 r = hd64461_reg_read_2(HD64461_LCDLDR3_REG16);
973 i = HD64461_LCDLDR3_CG(r);
974 switch (i) {
975 case HD64461_LCDLDR3_CG_COLOR16:
976 depth = 16;
977 hvc->mode = LCD64K_C;
978 break;
979 case HD64461_LCDLDR3_CG_COLOR8:
980 depth = 8;
981 hvc->mode = LCD256_C;
982 break;
983 case HD64461_LCDLDR3_CG_GRAY6:
984 depth = 6;
985 hvc->mode = LCD64_MONO;
986 break;
987 case HD64461_LCDLDR3_CG_GRAY4:
988 depth = 4;
989 hvc->mode = LCD16_MONO;
990 break;
991 case HD64461_LCDLDR3_CG_GRAY2:
992 depth = 2;
993 hvc->mode = LCD4_MONO;
994 break;
995 case HD64461_LCDLDR3_CG_GRAY1:
996 depth = 1;
997 hvc->mode = LCD2_MONO;
998 break;
999 }
1000
1001 r = hd64461_reg_read_2(HD64461_LCDCCR_REG16);
1002 i = HD64461_LCDCCR_DSPSEL(i);
1003 switch (i) {
1004 case HD64461_LCDCCR_DSPSEL_LCD_CRT:
1005 depth = 8;
1006 hvc->mode = LCDCRT;
1007 break;
1008 case HD64461_LCDCCR_DSPSEL_CRT:
1009 depth = 8;
1010 hvc->mode = CRT256_C;
1011 break;
1012 case HD64461_LCDCCR_DSPSEL_LCD:
1013 /* nothing to do */
1014 break;
1015 }
1016
1017 callout_init(&hvc->unblank_ch, 0);
1018 hvc->blanked = 0;
1019
1020 width = bootinfo->fb_width;
1021 height = bootinfo->fb_height;
1022
1023 vc->vc_fbvaddr = HD64461_FBBASE;
1024 vc->vc_fbpaddr = HD64461_FBBASE;
1025 vc->vc_fbdepth = depth;
1026 vc->vc_fbsize = (width * height * depth) / NBBY;
1027 vc->vc_fbwidth = width;
1028 vc->vc_fbheight = height;
1029 }
1030
1031 #if notyet
1032 STATIC void
1033 hd64461video_set_display_mode(struct hd64461video_chip *hvc)
1034 {
1035
1036 if (hvc->mode == LCDCRT || hvc->mode == CRT256_C)
1037 hd64461video_set_display_mode_crtc(hvc);
1038
1039 hd64461video_set_display_mode_lcdc(hvc);
1040 }
1041
1042 STATIC void
1043 hd64461video_set_display_mode_lcdc(struct hd64461video_chip *hvc)
1044 {
1045 struct {
1046 uint16_t clor; /* display size 640 x 240 */
1047 uint16_t ldr3;
1048 const char *name;
1049 } *conf, disp_conf[] = {
1050 [LCD256_C] = { 640, HD64461_LCDLDR3_CG_COLOR8,
1051 "8bit color" },
1052 [LCD64K_C] = { 640 * 2, HD64461_LCDLDR3_CG_COLOR16,
1053 "16bit color" },
1054 [LCD64_MONO] = { 640, HD64461_LCDLDR3_CG_GRAY6 ,
1055 "6bit grayscale" },
1056 [LCD16_MONO] = { 640 / 2, HD64461_LCDLDR3_CG_GRAY4,
1057 "4bit grayscale" },
1058 [LCD4_MONO] = { 640 / 4, HD64461_LCDLDR3_CG_GRAY2,
1059 "2bit grayscale" },
1060 [LCD2_MONO] = { 640 / 8, HD64461_LCDLDR3_CG_GRAY1,
1061 "monochrome" },
1062 };
1063 uint16_t r;
1064 int omode;
1065
1066 conf = &disp_conf[hvc->mode];
1067
1068 hd64461_reg_write_2(HD64461_LCDCLOR_REG16, conf->clor);
1069 r = hd64461_reg_read_2(HD64461_LCDLDR3_REG16);
1070 omode = HD64461_LCDLDR3_CG(r);
1071 r = HD64461_LCDLDR3_CG_CLR(r);
1072 r = HD64461_LCDLDR3_CG_SET(r, conf->ldr3);
1073 hd64461_reg_write_2(HD64461_LCDLDR3_REG16, r);
1074
1075 printf("%s ", conf->name);
1076 }
1077
1078 STATIC void
1079 hd64461video_set_display_mode_crtc(struct hd64461video_chip *hvc)
1080 {
1081 /* not yet */
1082 }
1083
1084 #endif /* notyet */
1085
1086 STATIC size_t
1087 hd64461video_frame_buffer_size(struct hd64461video_chip *hvc)
1088 {
1089 vaddr_t page, startaddr, endaddr;
1090 int x;
1091
1092 startaddr = HD64461_FBBASE;
1093 endaddr = startaddr + HD64461_FBSIZE - 1;
1094
1095 page = startaddr;
1096
1097 x = random();
1098 *(volatile int *)(page + 0) = x;
1099 *(volatile int *)(page + 4) = ~x;
1100
1101 if (*(volatile int *)(page + 0) != x ||
1102 *(volatile int *)(page + 4) != ~x)
1103 return (0);
1104
1105 for (page += HD64461_FBPAGESIZE; page < endaddr;
1106 page += HD64461_FBPAGESIZE) {
1107 if (*(volatile int *)(page + 0) == x &&
1108 *(volatile int *)(page + 4) == ~x)
1109 goto fbend_found;
1110 }
1111
1112 page -= HD64461_FBPAGESIZE;
1113 *(volatile int *)(page + 0) = x;
1114 *(volatile int *)(page + 4) = ~x;
1115
1116 if (*(volatile int *)(page + 0) != x ||
1117 *(volatile int *)(page + 4) != ~x)
1118 return (0);
1119
1120 fbend_found:
1121 return (page - startaddr);
1122 }
1123
1124 STATIC void
1125 hd64461video_set_clut(struct hd64461video_chip *vc, int idx, int cnt,
1126 uint8_t *r, uint8_t *g, uint8_t *b)
1127 {
1128 KASSERT(r && g && b);
1129
1130 /* index pallete */
1131 hd64461_reg_write_2(HD64461_LCDCPTWAR_REG16,
1132 HD64461_LCDCPTWAR_SET(0, idx));
1133 /* set data */
1134 while (cnt && LEGAL_CLUT_INDEX(idx)) {
1135 uint16_t v;
1136 #define HD64461VIDEO_SET_CLUT(x) \
1137 v = (x >> 2) & 0x3f; \
1138 hd64461_reg_write_2(HD64461_LCDCPTWDR_REG16, v)
1139 HD64461VIDEO_SET_CLUT(*r);
1140 HD64461VIDEO_SET_CLUT(*g);
1141 HD64461VIDEO_SET_CLUT(*b);
1142 #undef HD64461VIDEO_SET_CLUT
1143 r++, g++, b++;
1144 idx++, cnt--;
1145 }
1146 }
1147
1148 STATIC void
1149 hd64461video_get_clut(struct hd64461video_chip *vc, int idx, int cnt,
1150 uint8_t *r, uint8_t *g, uint8_t *b)
1151 {
1152 KASSERT(r && g && b);
1153
1154 /* index pallete */
1155 hd64461_reg_write_2(HD64461_LCDCPTRAR_REG16,
1156 HD64461_LCDCPTRAR_SET(0, idx));
1157
1158 /* get data */
1159 while (cnt && LEGAL_CLUT_INDEX(idx)) {
1160 uint16_t v;
1161 #define HD64461VIDEO_GET_CLUT(x) \
1162 v = hd64461_reg_read_2(HD64461_LCDCPTRDR_REG16); \
1163 x = HD64461_LCDCPTRDR(v); \
1164 x <<= 2
1165 HD64461VIDEO_GET_CLUT(*r);
1166 HD64461VIDEO_GET_CLUT(*g);
1167 HD64461VIDEO_GET_CLUT(*b);
1168 #undef HD64461VIDEO_GET_CLUT
1169 r++, g++, b++;
1170 idx++, cnt--;
1171 }
1172 }
1173
1174 STATIC int
1175 hd64461video_power(void *ctx, int type, long id, void *msg)
1176 {
1177 struct hd64461video_softc *sc = ctx;
1178 struct hd64461video_chip *hvc = sc->sc_vc;
1179
1180 switch ((int)msg) {
1181 case PWR_RESUME:
1182 DPRINTF("%s: ON%s\n", device_xname(sc->sc_dev),
1183 sc->sc_vc->blanked ? " (blanked)" : "");
1184 if (!sc->sc_vc->blanked)
1185 hd64461video_on(hvc);
1186 break;
1187 case PWR_SUSPEND:
1188 /* FALLTHROUGH */
1189 case PWR_STANDBY:
1190 DPRINTF("%s: OFF\n", device_xname(sc->sc_dev));
1191 hd64461video_off(hvc);
1192 break;
1193 }
1194
1195 return 0;
1196 }
1197
1198 STATIC void
1199 hd64461video_off(struct hd64461video_chip *vc)
1200 {
1201
1202 callout_stop(&vc->unblank_ch);
1203
1204 /* turn off display in LCDC */
1205 hd64461video_display_onoff(vc, false);
1206
1207 /* turn off the LCD */
1208 config_hook_call(CONFIG_HOOK_POWERCONTROL,
1209 CONFIG_HOOK_POWERCONTROL_LCD,
1210 (void *)0);
1211 }
1212
1213 STATIC void
1214 hd64461video_on(struct hd64461video_chip *vc)
1215 {
1216 int err;
1217
1218 /* turn on the LCD */
1219 err = config_hook_call(CONFIG_HOOK_POWERCONTROL,
1220 CONFIG_HOOK_POWERCONTROL_LCD,
1221 (void *)1);
1222
1223 if (err == 0)
1224 /* let the LCD warm up before turning on the display */
1225 callout_reset(&vc->unblank_ch, hz/2,
1226 hd64461video_display_on, vc);
1227 else
1228 hd64461video_display_onoff(vc, true);
1229 }
1230
1231 STATIC void
1232 hd64461video_display_on(void *arg)
1233 {
1234
1235 hd64461video_display_onoff(arg, true);
1236 }
1237
1238 STATIC void
1239 hd64461video_display_onoff(void *arg, bool on)
1240 {
1241 /* struct hd64461video_chip *vc = arg; */
1242 uint16_t r;
1243
1244 if (platid_match(&platid, &platid_mask_MACH_HITACHI_PERSONA))
1245 return;
1246
1247 /* turn on/off display in LCDC */
1248 r = hd64461_reg_read_2(HD64461_LCDLDR1_REG16);
1249 if (on)
1250 r |= HD64461_LCDLDR1_DON;
1251 else
1252 r &= ~HD64461_LCDLDR1_DON;
1253 hd64461_reg_write_2(HD64461_LCDLDR1_REG16, r);
1254 }
1255
1256 #ifdef HD64461VIDEO_DEBUG
1257 STATIC void
1258 hd64461video_info(struct hd64461video_softc *sc)
1259 {
1260 uint16_t r;
1261 int color;
1262 int i;
1263
1264 dbg_banner_function();
1265 printf("---[LCD]---\n");
1266 /* Base Address Register */
1267 r = hd64461_reg_read_2(HD64461_LCDCBAR_REG16);
1268 printf("LCDCBAR Frame buffer base address (4KB align): 0x%08x\n",
1269 HD64461_LCDCBAR_BASEADDR(r));
1270
1271 /* Line Address Offset Register */
1272 r = hd64461_reg_read_2(HD64461_LCDCLOR_REG16);
1273 printf("LCDCLOR Line address offset: %d\n", HD64461_LCDCLOR(r));
1274
1275 /* LCDC Control Register */
1276 r = hd64461_reg_read_2(HD64461_LCDCCR_REG16);
1277 i = HD64461_LCDCCR_DSPSEL(r);
1278 #define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_LCDCCR_##m, #m)
1279 printf("LCDCCR (LCD Control Register)\n");
1280 DBG_BITMASK_PRINT(r, STBAK);
1281 DBG_BITMASK_PRINT(r, STREQ);
1282 DBG_BITMASK_PRINT(r, MOFF);
1283 DBG_BITMASK_PRINT(r, REFSEL);
1284 DBG_BITMASK_PRINT(r, EPON);
1285 DBG_BITMASK_PRINT(r, SPON);
1286 printf("\n");
1287 #undef DBG_BITMASK_PRINT
1288 printf("LCDCCR Display select LCD[%c] CRT[%c]\n",
1289 i == HD64461_LCDCCR_DSPSEL_LCD_CRT ||
1290 i == HD64461_LCDCCR_DSPSEL_LCD ? 'x' : '_',
1291 i == HD64461_LCDCCR_DSPSEL_LCD_CRT ||
1292 i == HD64461_LCDCCR_DSPSEL_CRT ? 'x' : '_');
1293
1294 /* LCD Display Register */
1295 /* 1 */
1296 r = hd64461_reg_read_2(HD64461_LCDLDR1_REG16);
1297 printf("(LCD Display Register)\n");
1298 #define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_LCDLDR1_##m, #m)
1299 printf("LCDLDR1: ");
1300 DBG_BITMASK_PRINT(r, DINV);
1301 DBG_BITMASK_PRINT(r, DON);
1302 printf("\n");
1303 #undef DBG_BITMASK_PRINT
1304 /* 2 */
1305 r = hd64461_reg_read_2(HD64461_LCDLDR2_REG16);
1306 i = HD64461_LCDLDR2_LM(r);
1307 #define DBG_BITMASK_PRINT(r, m) dbg_bitmask_print(r, HD64461_LCDLDR2_##m, #m)
1308 printf("LCDLDR2: ");
1309 DBG_BITMASK_PRINT(r, CC1);
1310 DBG_BITMASK_PRINT(r, CC2);
1311 #undef DBG_BITMASK_PRINT
1312 color = 0;
1313 switch (i) {
1314 default:
1315 panic("unknown unknown LCD interface.");
1316 break;
1317 case HD64461_LCDLDR2_LM_COLOR:
1318 color = 1;
1319 printf("Color");
1320 break;
1321 case HD64461_LCDLDR2_LM_GRAY8:
1322 printf("8-bit grayscale");
1323 break;
1324 case HD64461_LCDLDR2_LM_GRAY4:
1325 printf("4-bit grayscale");
1326 break;
1327 }
1328 printf(" LCD interface\n");
1329 /* 3 */
1330 printf("LCDLDR3: ");
1331 r = hd64461_reg_read_2(HD64461_LCDLDR3_REG16);
1332 i = HD64461_LCDLDR3_CS(r);
1333 printf("CS ");
1334 switch (i) {
1335 case 0:
1336 printf("15");
1337 break;
1338 case 1:
1339 printf("2.5");
1340 break;
1341 case 2:
1342 printf("3.75");
1343 break;
1344 case 4:
1345 printf("5");
1346 break;
1347 case 8:
1348 printf("7.5");
1349 break;
1350 case 16:
1351 printf("10");
1352 break;
1353 }
1354 printf("%s MHz ", color ? "" : "/2");
1355 i = HD64461_LCDLDR3_CG(r);
1356 switch (i) {
1357 case HD64461_LCDLDR3_CG_COLOR16:
1358 printf("Color 64K colors\n");
1359 break;
1360 case HD64461_LCDLDR3_CG_COLOR8:
1361 printf("Color 256 colors\n");
1362 break;
1363 case HD64461_LCDLDR3_CG_GRAY6:
1364 printf("6-bit Grayscale\n");
1365 break;
1366 case HD64461_LCDLDR3_CG_GRAY4:
1367 printf("4-bit Grayscale\n");
1368 break;
1369 case HD64461_LCDLDR3_CG_GRAY2:
1370 printf("2-bit Grayscale\n");
1371 break;
1372 case HD64461_LCDLDR3_CG_GRAY1:
1373 printf("1-bit Grayscale\n");
1374 break;
1375 }
1376
1377 /* LCD Number of Characters in Horizontal Register */
1378 r = hd64461_reg_read_2(HD64461_LCDLDHNCR_REG16);
1379 printf("LDHNCR: NHD %d NHT %d (# of horizontal characters)\n",
1380 HD64461_LCDLDHNCR_NHD(r), HD64461_LCDLDHNCR_NHT(r));
1381
1382 /* Start Position of Horizontal Register */
1383 r = hd64461_reg_read_2(HD64461_LCDLDHNSR_REG16);
1384 printf("LDHNSR: HSW %d HSP %d (start position of horizontal)\n",
1385 HD64461_LCDLDHNSR_HSW(r), HD64461_LCDLDHNSR_HSP(r));
1386
1387 /* Total Vertical Lines Register */
1388 r = hd64461_reg_read_2(HD64461_LCDLDVNTR_REG16);
1389 printf("LDVNTR: %d (total vertical lines)\n",
1390 HD64461_LCDLDVNTR_VTL(r));
1391
1392 /* Display Vertical Lines Register */
1393 r = hd64461_reg_read_2(HD64461_LCDLDVNDR_REG16);
1394 printf("LDVNDR: %d (display vertical lines)\n",
1395 HD64461_LCDLDVSPR_VSP(r));
1396
1397 /* Vertical Synchronization Position Register */
1398 r = hd64461_reg_read_2(HD64461_LCDLDVSPR_REG16);
1399 printf("LDVSPR: %d (vertical synchronization position)\n",
1400 HD64461_LCDLDVSPR_VSP(r));
1401
1402 /*
1403 * CRT Control Register
1404 */
1405 printf("---[CRT]---\n");
1406 r = hd64461_reg_read_2(HD64461_LCDCRTVTR_REG16);
1407 printf("CRTVTR: %d (CRTC total vertical lines)\n",
1408 HD64461_LCDCRTVTR(r));
1409 r = hd64461_reg_read_2(HD64461_LCDCRTVRSR_REG16);
1410 printf("CRTVRSR: %d (CRTC vertical retrace start line)\n",
1411 HD64461_LCDCRTVRSR(r));
1412 r = hd64461_reg_read_2(HD64461_LCDCRTVRER_REG16);
1413 printf("CRTVRER: %d (CRTC vertical retrace end line)\n",
1414 HD64461_LCDCRTVRER(r));
1415
1416 }
1417
1418 STATIC void
1419 hd64461video_dump(void)
1420 {
1421 uint16_t r;
1422 printf("---[Display Mode Setting]---\n");
1423 #define DUMPREG(x) \
1424 r = hd64461_reg_read_2(HD64461_LCD ## x ## _REG16); \
1425 __dbg_bit_print(r, sizeof(uint16_t), 0, 0, #x, DBG_BIT_PRINT_COUNT)
1426 DUMPREG(CBAR);
1427 DUMPREG(CLOR);
1428 DUMPREG(CCR);
1429 DUMPREG(LDR1);
1430 DUMPREG(LDR2);
1431 DUMPREG(LDHNCR);
1432 DUMPREG(LDHNSR);
1433 DUMPREG(LDVNTR);
1434 DUMPREG(LDVNDR);
1435 DUMPREG(LDVSPR);
1436 DUMPREG(LDR3);
1437 DUMPREG(CRTVTR);
1438 DUMPREG(CRTVRSR);
1439 DUMPREG(CRTVRER);
1440 #undef DUMPREG
1441 dbg_banner_line();
1442 }
1443
1444 #endif /* HD64461VIDEO_DEBUG */
1445