mq200.c revision 1.16 1 /* $NetBSD: mq200.c,v 1.16 2001/07/17 01:41:38 toshii Exp $ */
2
3 /*-
4 * Copyright (c) 2000, 2001 TAKEMURA Shin
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 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 */
31
32 #include <sys/param.h>
33 #include <sys/kernel.h>
34 #include <sys/device.h>
35 #include <sys/systm.h>
36 #include <sys/reboot.h>
37
38 #include <uvm/uvm_extern.h>
39
40 #include <dev/wscons/wsconsio.h>
41
42 #include <machine/bootinfo.h>
43 #include <machine/bus.h>
44 #include <machine/autoconf.h>
45 #include <machine/config_hook.h>
46 #include <machine/platid.h>
47 #include <machine/platid_mask.h>
48
49 #include "opt_mq200.h"
50 #include <hpcmips/dev/mq200reg.h>
51 #include <hpcmips/dev/mq200var.h>
52 #include <hpcmips/dev/mq200priv.h>
53
54 #include "bivideo.h"
55 #if NBIVIDEO > 0
56 #include <dev/hpc/bivideovar.h>
57 #endif
58
59 /*
60 * function prototypes
61 */
62 static void mq200_power __P((int, void *));
63 static int mq200_hardpower __P((void *, int, long, void *));
64 static int mq200_fbinit __P((struct hpcfb_fbconf *));
65 static int mq200_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
66 static paddr_t mq200_mmap __P((void *, off_t offset, int));
67 static void mq200_update_powerstate __P((struct mq200_softc *, int));
68 void mq200_init_backlight __P((struct mq200_softc *, int));
69 void mq200_init_brightness __P((struct mq200_softc *, int));
70 void mq200_init_contrast __P((struct mq200_softc *, int));
71 void mq200_set_brightness __P((struct mq200_softc *, int));
72 void mq200_set_contrast __P((struct mq200_softc *, int));
73
74 /*
75 * static variables
76 */
77 struct hpcfb_accessops mq200_ha = {
78 mq200_ioctl, mq200_mmap
79 };
80
81 #ifdef MQ200_DEBUG
82 int mq200_debug = MQ200DEBUG_CONF;
83 #endif
84
85 int
86 mq200_probe(iot, ioh)
87 bus_space_tag_t iot;
88 bus_space_handle_t ioh;
89 {
90 unsigned long regval;
91
92 #if NBIVIDEO > 0
93 if (bivideo_dont_attach) /* some video driver already attached */
94 return (0);
95 #endif /* NBIVIDEO > 0 */
96
97 regval = bus_space_read_4(iot, ioh, MQ200_PC00R);
98 VPRINTF("probe: vendor id=%04lx product id=%04lx\n",
99 regval & 0xffff, (regval >> 16) & 0xffff);
100 if (regval != ((MQ200_PRODUCT_ID << 16) | MQ200_VENDOR_ID))
101 return (0);
102
103 return (1);
104 }
105
106 void
107 mq200_attach(sc)
108 struct mq200_softc *sc;
109 {
110 unsigned long regval;
111 struct hpcfb_attach_args ha;
112 int console = (bootinfo->bi_cnuse & BI_CNUSE_SERIAL) ? 0 : 1;
113
114 printf(": ");
115 if (mq200_fbinit(&sc->sc_fbconf) != 0) {
116 /* just return so that hpcfb will not be attached */
117 return;
118 }
119
120 sc->sc_fbconf.hf_baseaddr = (u_long)bootinfo->fb_addr;
121 sc->sc_fbconf.hf_offset = (u_long)sc->sc_fbconf.hf_baseaddr -
122 MIPS_PHYS_TO_KSEG1(mips_ptob(mips_btop(sc->sc_baseaddr)));
123 DPRINTF("hf_baseaddr=%lx\n", sc->sc_fbconf.hf_baseaddr);
124 DPRINTF("hf_offset=%lx\n", sc->sc_fbconf.hf_offset);
125
126 regval = mq200_read(sc, MQ200_PC08R);
127 printf("MQ200 Rev.%02lx video controller", regval & 0xff);
128 if (console) {
129 printf(", console");
130 }
131 printf("\n");
132 printf("%s: framebuffer address: 0x%08lx\n",
133 sc->sc_dev.dv_xname, (u_long)bootinfo->fb_addr);
134
135 /*
136 * setup registers
137 */
138 sc->sc_flags = 0;
139 sc->sc_baseclock = 12288; /* 12.288 MHz */
140 #ifdef MQ200_DEBUG
141 if (bootverbose) {
142 /* dump current setting */
143 mq200_dump_all(sc);
144 mq200_dump_pll(sc);
145 }
146 #endif
147 mq200_setup_regctx(sc);
148 mq200_mdsetup(sc);
149 if (sc->sc_md) {
150 if (sc->sc_md->md_flags & MQ200_MD_HAVEFP) {
151 sc->sc_flags |= MQ200_SC_GC2_ENABLE; /* FP */
152 }
153 #if MQ200_USECRT
154 if (sc->sc_md->md_flags & MQ200_MD_HAVECRT) {
155 int i;
156 sc->sc_flags |= MQ200_SC_GC1_ENABLE; /* CRT */
157 for (i = 0; i < mq200_crt_nparams; i++) {
158 sc->sc_crt = &mq200_crt_params[i];
159 if (sc->sc_md->md_fp_width <=
160 mq200_crt_params[i].width &&
161 sc->sc_md->md_fp_height <=
162 mq200_crt_params[i].height)
163 break;
164 }
165 }
166 #endif
167 mq200_setup(sc);
168
169 if (sc->sc_flags & MQ200_SC_GC2_ENABLE) /* FP */
170 mq200_win_enable(sc, MQ200_GC2, MQ200_GCC_16BPP_DIRECT,
171 0x00080100,
172 sc->sc_md->md_fp_width, sc->sc_md->md_fp_height,
173 1280);
174 if (sc->sc_flags & MQ200_SC_GC1_ENABLE) /* CRT */
175 mq200_win_enable(sc, MQ200_GC1, MQ200_GCC_16BPP_DIRECT,
176 0x00080100,
177 sc->sc_md->md_fp_width, sc->sc_md->md_fp_height,
178 1280);
179 }
180 #ifdef MQ200_DEBUG
181 if (sc->sc_md == NULL || bootverbose) {
182 mq200_dump_pll(sc);
183 }
184 #endif
185
186 /* Add a power hook to power saving */
187 sc->sc_mq200pwstate = MQ200_POWERSTATE_D0;
188 sc->sc_powerhook = powerhook_establish(mq200_power, sc);
189 if (sc->sc_powerhook == NULL)
190 printf("%s: WARNING: unable to establish power hook\n",
191 sc->sc_dev.dv_xname);
192
193 /* Add a hard power hook to power saving */
194 sc->sc_hardpowerhook = config_hook(CONFIG_HOOK_PMEVENT,
195 CONFIG_HOOK_PMEVENT_HARDPOWER,
196 CONFIG_HOOK_SHARE,
197 mq200_hardpower, sc);
198 if (sc->sc_hardpowerhook == NULL)
199 printf("%s: WARNING: unable to establish hard power hook\n",
200 sc->sc_dev.dv_xname);
201
202 /* initialize backlight brightness and lcd contrast */
203 sc->sc_lcd_inited = 0;
204 mq200_init_brightness(sc, 1);
205 mq200_init_contrast(sc, 1);
206 mq200_init_backlight(sc, 1);
207
208 if (console && hpcfb_cnattach(&sc->sc_fbconf) != 0) {
209 panic("mq200_attach: can't init fb console");
210 }
211
212 ha.ha_console = console;
213 ha.ha_accessops = &mq200_ha;
214 ha.ha_accessctx = sc;
215 ha.ha_curfbconf = 0;
216 ha.ha_nfbconf = 1;
217 ha.ha_fbconflist = &sc->sc_fbconf;
218 ha.ha_curdspconf = 0;
219 ha.ha_ndspconf = 1;
220 ha.ha_dspconflist = &sc->sc_dspconf;
221
222 config_found(&sc->sc_dev, &ha, hpcfbprint);
223
224 #if NBIVIDEO > 0
225 /*
226 * bivideo is no longer need
227 */
228 bivideo_dont_attach = 1;
229 #endif /* NBIVIDEO > 0 */
230 }
231
232 static void
233 mq200_update_powerstate(sc, updates)
234 struct mq200_softc *sc;
235 int updates;
236 {
237
238 if (updates & PWRSTAT_LCD)
239 config_hook_call(CONFIG_HOOK_POWERCONTROL,
240 CONFIG_HOOK_POWERCONTROL_LCD,
241 (void*)!(sc->sc_powerstate &
242 (PWRSTAT_VIDEOOFF|PWRSTAT_SUSPEND)));
243
244 if (updates & PWRSTAT_BACKLIGHT)
245 config_hook_call(CONFIG_HOOK_POWERCONTROL,
246 CONFIG_HOOK_POWERCONTROL_LCDLIGHT,
247 (void*)(!(sc->sc_powerstate &
248 (PWRSTAT_VIDEOOFF|PWRSTAT_SUSPEND)) &&
249 (sc->sc_powerstate & PWRSTAT_BACKLIGHT)));
250 }
251
252 static void
253 mq200_power(why, arg)
254 int why;
255 void *arg;
256 {
257 struct mq200_softc *sc = arg;
258
259 switch (why) {
260 case PWR_SUSPEND:
261 sc->sc_powerstate |= PWRSTAT_SUSPEND;
262 mq200_update_powerstate(sc, PWRSTAT_ALL);
263 break;
264 case PWR_STANDBY:
265 sc->sc_powerstate |= PWRSTAT_SUSPEND;
266 mq200_update_powerstate(sc, PWRSTAT_ALL);
267 break;
268 case PWR_RESUME:
269 sc->sc_powerstate &= ~PWRSTAT_SUSPEND;
270 mq200_update_powerstate(sc, PWRSTAT_ALL);
271 break;
272 }
273 }
274
275 static int
276 mq200_hardpower(ctx, type, id, msg)
277 void *ctx;
278 int type;
279 long id;
280 void *msg;
281 {
282 struct mq200_softc *sc = ctx;
283 int why = (int)msg;
284
285 switch (why) {
286 case PWR_SUSPEND:
287 sc->sc_mq200pwstate = MQ200_POWERSTATE_D2;
288 break;
289 case PWR_STANDBY:
290 sc->sc_mq200pwstate = MQ200_POWERSTATE_D3;
291 break;
292 case PWR_RESUME:
293 sc->sc_mq200pwstate = MQ200_POWERSTATE_D0;
294 break;
295 }
296
297 bus_space_write_4(sc->sc_iot, sc->sc_ioh,
298 MQ200_PMCSR, sc->sc_mq200pwstate);
299
300 /*
301 * you should wait until the
302 * power state transit sequence will end.
303 */
304 {
305 unsigned long tmp;
306 do {
307 tmp = bus_space_read_4(sc->sc_iot, sc->sc_ioh,
308 MQ200_PMCSR);
309 } while ((tmp & 0x3) != (sc->sc_mq200pwstate & 0x3));
310 delay(100000); /* XXX */
311 }
312
313 return (0);
314 }
315
316
317 static int
318 mq200_fbinit(fb)
319 struct hpcfb_fbconf *fb;
320 {
321
322 /*
323 * get fb settings from bootinfo
324 */
325 if (bootinfo == NULL ||
326 bootinfo->fb_addr == 0 ||
327 bootinfo->fb_line_bytes == 0 ||
328 bootinfo->fb_width == 0 ||
329 bootinfo->fb_height == 0) {
330 printf("no frame buffer information.\n");
331 return (-1);
332 }
333
334 /* zero fill */
335 bzero(fb, sizeof(*fb));
336
337 fb->hf_conf_index = 0; /* configuration index */
338 fb->hf_nconfs = 1; /* how many configurations */
339 strcpy(fb->hf_name, "built-in video");
340 /* frame buffer name */
341 strcpy(fb->hf_conf_name, "default");
342 /* configuration name */
343 fb->hf_height = bootinfo->fb_height;
344 fb->hf_width = bootinfo->fb_width;
345 fb->hf_baseaddr = mips_ptob(mips_btop(bootinfo->fb_addr));
346 fb->hf_offset = (u_long)bootinfo->fb_addr - fb->hf_baseaddr;
347 /* frame buffer start offset */
348 fb->hf_bytes_per_line = bootinfo->fb_line_bytes;
349 fb->hf_nplanes = 1;
350 fb->hf_bytes_per_plane = bootinfo->fb_height *
351 bootinfo->fb_line_bytes;
352
353 fb->hf_access_flags |= HPCFB_ACCESS_BYTE;
354 fb->hf_access_flags |= HPCFB_ACCESS_WORD;
355 fb->hf_access_flags |= HPCFB_ACCESS_DWORD;
356
357 switch (bootinfo->fb_type) {
358 /*
359 * gray scale
360 */
361 case BIFB_D2_M2L_3:
362 case BIFB_D2_M2L_3x2:
363 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE;
364 /* fall through */
365 case BIFB_D2_M2L_0:
366 case BIFB_D2_M2L_0x2:
367 fb->hf_class = HPCFB_CLASS_GRAYSCALE;
368 fb->hf_access_flags |= HPCFB_ACCESS_STATIC;
369 fb->hf_pack_width = 8;
370 fb->hf_pixels_per_pack = 4;
371 fb->hf_pixel_width = 2;
372 fb->hf_class_data_length = sizeof(struct hf_gray_tag);
373 fb->hf_u.hf_gray.hf_flags = 0; /* reserved for future use */
374 break;
375
376 case BIFB_D4_M2L_F:
377 case BIFB_D4_M2L_Fx2:
378 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE;
379 /* fall through */
380 case BIFB_D4_M2L_0:
381 case BIFB_D4_M2L_0x2:
382 fb->hf_class = HPCFB_CLASS_GRAYSCALE;
383 fb->hf_access_flags |= HPCFB_ACCESS_STATIC;
384 fb->hf_pack_width = 8;
385 fb->hf_pixels_per_pack = 2;
386 fb->hf_pixel_width = 4;
387 fb->hf_class_data_length = sizeof(struct hf_gray_tag);
388 fb->hf_u.hf_gray.hf_flags = 0; /* reserved for future use */
389 break;
390
391 /*
392 * indexed color
393 */
394 case BIFB_D8_FF:
395 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE;
396 /* fall through */
397 case BIFB_D8_00:
398 fb->hf_class = HPCFB_CLASS_INDEXCOLOR;
399 fb->hf_access_flags |= HPCFB_ACCESS_STATIC;
400 fb->hf_pack_width = 8;
401 fb->hf_pixels_per_pack = 1;
402 fb->hf_pixel_width = 8;
403 fb->hf_class_data_length = sizeof(struct hf_indexed_tag);
404 fb->hf_u.hf_indexed.hf_flags = 0; /* reserved for future use */
405 break;
406
407 /*
408 * RGB color
409 */
410 case BIFB_D16_FFFF:
411 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE;
412 /* fall through */
413 case BIFB_D16_0000:
414 fb->hf_class = HPCFB_CLASS_RGBCOLOR;
415 fb->hf_access_flags |= HPCFB_ACCESS_STATIC;
416 #if BYTE_ORDER == BIG_ENDIAN /* XXXX */
417 fb->hf_swap_flags = HPCFB_SWAP_BYTE;
418 #endif
419 fb->hf_pack_width = 16;
420 fb->hf_pixels_per_pack = 1;
421 fb->hf_pixel_width = 16;
422
423 fb->hf_class_data_length = sizeof(struct hf_rgb_tag);
424 fb->hf_u.hf_rgb.hf_flags = 0; /* reserved for future use */
425
426 fb->hf_u.hf_rgb.hf_red_width = 5;
427 fb->hf_u.hf_rgb.hf_red_shift = 11;
428 fb->hf_u.hf_rgb.hf_green_width = 6;
429 fb->hf_u.hf_rgb.hf_green_shift = 5;
430 fb->hf_u.hf_rgb.hf_blue_width = 5;
431 fb->hf_u.hf_rgb.hf_blue_shift = 0;
432 fb->hf_u.hf_rgb.hf_alpha_width = 0;
433 fb->hf_u.hf_rgb.hf_alpha_shift = 0;
434 break;
435
436 default:
437 printf("unknown type (=%d).\n", bootinfo->fb_type);
438 return (-1);
439 break;
440 }
441
442 return (0); /* no error */
443 }
444
445 int
446 mq200_ioctl(v, cmd, data, flag, p)
447 void *v;
448 u_long cmd;
449 caddr_t data;
450 int flag;
451 struct proc *p;
452 {
453 struct mq200_softc *sc = (struct mq200_softc *)v;
454 struct hpcfb_fbconf *fbconf;
455 struct hpcfb_dspconf *dspconf;
456 struct wsdisplay_cmap *cmap;
457 struct wsdisplay_param *dispparam;
458
459 switch (cmd) {
460 case WSDISPLAYIO_GETCMAP:
461 cmap = (struct wsdisplay_cmap*)data;
462
463 if (sc->sc_fbconf.hf_class != HPCFB_CLASS_INDEXCOLOR ||
464 sc->sc_fbconf.hf_pack_width != 8 ||
465 256 <= cmap->index ||
466 256 < (cmap->index + cmap->count))
467 return (EINVAL);
468
469 #if 0
470 if (!uvm_useracc(cmap->red, cmap->count, B_WRITE) ||
471 !uvm_useracc(cmap->green, cmap->count, B_WRITE) ||
472 !uvm_useracc(cmap->blue, cmap->count, B_WRITE))
473 return (EFAULT);
474
475 copyout(&bivideo_cmap_r[cmap->index], cmap->red, cmap->count);
476 copyout(&bivideo_cmap_g[cmap->index], cmap->green,cmap->count);
477 copyout(&bivideo_cmap_b[cmap->index], cmap->blue, cmap->count);
478 #endif
479
480 return (0);
481
482 case WSDISPLAYIO_PUTCMAP:
483 /*
484 * This driver can't set color map.
485 */
486 return (EINVAL);
487
488 case WSDISPLAYIO_SVIDEO:
489 if (*(int *)data == WSDISPLAYIO_VIDEO_OFF)
490 sc->sc_powerstate |= PWRSTAT_VIDEOOFF;
491 else
492 sc->sc_powerstate &= ~PWRSTAT_VIDEOOFF;
493 mq200_update_powerstate(sc, PWRSTAT_ALL);
494 return 0;
495
496 case WSDISPLAYIO_GVIDEO:
497 *(int *)data = (sc->sc_powerstate&PWRSTAT_VIDEOOFF) ?
498 WSDISPLAYIO_VIDEO_OFF:WSDISPLAYIO_VIDEO_ON;
499 return 0;
500
501 case WSDISPLAYIO_GETPARAM:
502 dispparam = (struct wsdisplay_param*)data;
503 switch (dispparam->param) {
504 case WSDISPLAYIO_PARAM_BACKLIGHT:
505 VPRINTF("ioctl: GET:BACKLIGHT\n");
506 mq200_init_brightness(sc, 0);
507 mq200_init_backlight(sc, 0);
508 VPRINTF("ioctl: GET:(real)BACKLIGHT %d\n",
509 (sc->sc_powerstate&PWRSTAT_BACKLIGHT)? 1: 0);
510 dispparam->min = 0;
511 dispparam->max = 1;
512 if (sc->sc_max_brightness > 0)
513 dispparam->curval = sc->sc_brightness > 0? 1: 0;
514 else
515 dispparam->curval =
516 (sc->sc_powerstate&PWRSTAT_BACKLIGHT) ? 1: 0;
517 VPRINTF("ioctl: GET:BACKLIGHT:%d(%s)\n",
518 dispparam->curval,
519 sc->sc_max_brightness > 0? "brightness": "light");
520 return 0;
521 break;
522 case WSDISPLAYIO_PARAM_CONTRAST:
523 VPRINTF("ioctl: GET:CONTRAST\n");
524 mq200_init_contrast(sc, 0);
525 if (sc->sc_max_contrast > 0) {
526 dispparam->min = 0;
527 dispparam->max = sc->sc_max_contrast;
528 dispparam->curval = sc->sc_contrast;
529 VPRINTF("ioctl: GET:CONTRAST max=%d, current=%d\n", sc->sc_max_contrast, sc->sc_contrast);
530 return 0;
531 } else {
532 VPRINTF("ioctl: GET:CONTRAST EINVAL\n");
533 return (EINVAL);
534 }
535 break;
536 case WSDISPLAYIO_PARAM_BRIGHTNESS:
537 VPRINTF("ioctl: GET:BRIGHTNESS\n");
538 mq200_init_brightness(sc, 0);
539 if (sc->sc_max_brightness > 0) {
540 dispparam->min = 0;
541 dispparam->max = sc->sc_max_brightness;
542 dispparam->curval = sc->sc_brightness;
543 VPRINTF("ioctl: GET:BRIGHTNESS max=%d, current=%d\n", sc->sc_max_brightness, sc->sc_brightness);
544 return 0;
545 } else {
546 VPRINTF("ioctl: GET:BRIGHTNESS EINVAL\n");
547 return (EINVAL);
548 }
549 return (EINVAL);
550 default:
551 return (EINVAL);
552 }
553 return (0);
554
555 case WSDISPLAYIO_SETPARAM:
556 dispparam = (struct wsdisplay_param*)data;
557 switch (dispparam->param) {
558 case WSDISPLAYIO_PARAM_BACKLIGHT:
559 VPRINTF("ioctl: SET:BACKLIGHT\n");
560 if (dispparam->curval < 0 ||
561 1 < dispparam->curval)
562 return (EINVAL);
563 mq200_init_brightness(sc, 0);
564 VPRINTF("ioctl: SET:max brightness=%d\n", sc->sc_max_brightness);
565 if (sc->sc_max_brightness > 0) { /* dimmer */
566 if (dispparam->curval == 0){
567 sc->sc_brightness_save = sc->sc_brightness;
568 mq200_set_brightness(sc, 0); /* min */
569 } else {
570 if (sc->sc_brightness_save == 0)
571 sc->sc_brightness_save = sc->sc_max_brightness;
572 mq200_set_brightness(sc, sc->sc_brightness_save);
573 }
574 VPRINTF("ioctl: SET:BACKLIGHT: brightness=%d\n", sc->sc_brightness);
575 } else { /* off */
576 if (dispparam->curval == 0)
577 sc->sc_powerstate &= ~PWRSTAT_BACKLIGHT;
578 else
579 sc->sc_powerstate |= PWRSTAT_BACKLIGHT;
580 VPRINTF("ioctl: SET:BACKLIGHT: powerstate %d\n",
581 (sc->sc_powerstate & PWRSTAT_BACKLIGHT)?1:0);
582 mq200_update_powerstate(sc, PWRSTAT_BACKLIGHT);
583 VPRINTF("ioctl: SET:BACKLIGHT:%d\n",
584 (sc->sc_powerstate & PWRSTAT_BACKLIGHT)?1:0);
585 }
586 return 0;
587 break;
588 case WSDISPLAYIO_PARAM_CONTRAST:
589 VPRINTF("ioctl: SET:CONTRAST\n");
590 mq200_init_contrast(sc, 0);
591 if (dispparam->curval < 0 ||
592 sc->sc_max_contrast < dispparam->curval)
593 return (EINVAL);
594 if (sc->sc_max_contrast > 0) {
595 int org = sc->sc_contrast;
596 mq200_set_contrast(sc, dispparam->curval);
597 VPRINTF("ioctl: SET:CONTRAST org=%d, current=%d\n", org, sc->sc_contrast);
598 VPRINTF("ioctl: SETPARAM:CONTRAST org=%d, current=%d\n", org, sc->sc_contrast);
599 return 0;
600 } else {
601 VPRINTF("ioctl: SET:CONTRAST EINVAL\n");
602 return (EINVAL);
603 }
604 break;
605 case WSDISPLAYIO_PARAM_BRIGHTNESS:
606 VPRINTF("ioctl: SET:BRIGHTNESS\n");
607 mq200_init_brightness(sc, 0);
608 if (dispparam->curval < 0 ||
609 sc->sc_max_brightness < dispparam->curval)
610 return (EINVAL);
611 if (sc->sc_max_brightness > 0) {
612 int org = sc->sc_brightness;
613 mq200_set_brightness(sc, dispparam->curval);
614 VPRINTF("ioctl: SET:BRIGHTNESS org=%d, current=%d\n", org, sc->sc_brightness);
615 return 0;
616 } else {
617 VPRINTF("ioctl: SET:BRIGHTNESS EINVAL\n");
618 return (EINVAL);
619 }
620 break;
621 default:
622 return (EINVAL);
623 }
624 return (0);
625
626 case HPCFBIO_GCONF:
627 fbconf = (struct hpcfb_fbconf *)data;
628 if (fbconf->hf_conf_index != 0 &&
629 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) {
630 return (EINVAL);
631 }
632 *fbconf = sc->sc_fbconf; /* structure assignment */
633 return (0);
634 case HPCFBIO_SCONF:
635 fbconf = (struct hpcfb_fbconf *)data;
636 if (fbconf->hf_conf_index != 0 &&
637 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) {
638 return (EINVAL);
639 }
640 /*
641 * nothing to do because we have only one configration
642 */
643 return (0);
644 case HPCFBIO_GDSPCONF:
645 dspconf = (struct hpcfb_dspconf *)data;
646 if ((dspconf->hd_unit_index != 0 &&
647 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) ||
648 (dspconf->hd_conf_index != 0 &&
649 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) {
650 return (EINVAL);
651 }
652 *dspconf = sc->sc_dspconf; /* structure assignment */
653 return (0);
654 case HPCFBIO_SDSPCONF:
655 dspconf = (struct hpcfb_dspconf *)data;
656 if ((dspconf->hd_unit_index != 0 &&
657 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) ||
658 (dspconf->hd_conf_index != 0 &&
659 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) {
660 return (EINVAL);
661 }
662 /*
663 * nothing to do
664 * because we have only one unit and one configration
665 */
666 return (0);
667 case HPCFBIO_GOP:
668 case HPCFBIO_SOP:
669 /*
670 * curently not implemented...
671 */
672 return (EINVAL);
673 }
674
675 return (ENOTTY);
676 }
677
678 paddr_t
679 mq200_mmap(ctx, offset, prot)
680 void *ctx;
681 off_t offset;
682 int prot;
683 {
684 struct mq200_softc *sc = (struct mq200_softc *)ctx;
685
686 if (offset < 0 || MQ200_MAPSIZE <= offset)
687 return -1;
688
689 return mips_btop(sc->sc_baseaddr + offset);
690 }
691
692
693 void
694 mq200_init_backlight(sc, inattach)
695 struct mq200_softc *sc;
696 int inattach;
697 {
698 int val = -1;
699
700 if (sc->sc_lcd_inited&BACKLIGHT_INITED)
701 return;
702
703 if (config_hook_call(CONFIG_HOOK_GET,
704 CONFIG_HOOK_POWER_LCDLIGHT, &val) != -1) {
705 /* we can get real light state */
706 VPRINTF("init_backlight: real backlight=%d\n", val);
707 if (val == 0)
708 sc->sc_powerstate &= ~PWRSTAT_BACKLIGHT;
709 else
710 sc->sc_powerstate |= PWRSTAT_BACKLIGHT;
711 sc->sc_lcd_inited |= BACKLIGHT_INITED;
712 } else if (inattach) {
713 /*
714 we cannot get real light state in attach time
715 because light device not yet attached.
716 we will retry in !inattach.
717 temporary assume light is on.
718 */
719 sc->sc_powerstate |= PWRSTAT_BACKLIGHT;
720 } else {
721 /* we cannot get real light state, so work by myself state */
722 sc->sc_lcd_inited |= BACKLIGHT_INITED;
723 }
724 }
725
726 void
727 mq200_init_brightness(sc, inattach)
728 struct mq200_softc *sc;
729 int inattach;
730 {
731 int val = -1;
732
733 if (sc->sc_lcd_inited&BRIGHTNESS_INITED)
734 return;
735
736 VPRINTF("init_brightness\n");
737 if (config_hook_call(CONFIG_HOOK_GET,
738 CONFIG_HOOK_BRIGHTNESS_MAX, &val) != -1) {
739 /* we can get real brightness max */
740 VPRINTF("init_brightness: real brightness max=%d\n", val);
741 sc->sc_max_brightness = val;
742 val = -1;
743 if (config_hook_call(CONFIG_HOOK_GET,
744 CONFIG_HOOK_BRIGHTNESS, &val) != -1) {
745 /* we can get real brightness */
746 VPRINTF("init_brightness: real brightness=%d\n", val);
747 sc->sc_brightness_save = sc->sc_brightness = val;
748 } else {
749 sc->sc_brightness_save =
750 sc->sc_brightness = sc->sc_max_brightness;
751 }
752 sc->sc_lcd_inited |= BRIGHTNESS_INITED;
753 } else if (inattach) {
754 /*
755 we cannot get real brightness in attach time
756 because brightness device not yet attached.
757 we will retry in !inattach.
758 */
759 sc->sc_max_brightness = -1;
760 sc->sc_brightness = -1;
761 sc->sc_brightness_save = -1;
762 } else {
763 /* we cannot get real brightness */
764 sc->sc_lcd_inited |= BRIGHTNESS_INITED;
765 }
766
767 return;
768 }
769
770
771 void
772 mq200_init_contrast(sc, inattach)
773 struct mq200_softc *sc;
774 int inattach;
775 {
776 int val = -1;
777
778 if (sc->sc_lcd_inited&CONTRAST_INITED)
779 return;
780
781 VPRINTF("init_contrast\n");
782 if (config_hook_call(CONFIG_HOOK_GET,
783 CONFIG_HOOK_CONTRAST_MAX, &val) != -1) {
784 /* we can get real contrast max */
785 VPRINTF("init_contrast: real contrast max=%d\n", val);
786 sc->sc_max_contrast = val;
787 val = -1;
788 if (config_hook_call(CONFIG_HOOK_GET,
789 CONFIG_HOOK_CONTRAST, &val) != -1) {
790 /* we can get real contrast */
791 VPRINTF("init_contrast: real contrast=%d\n", val);
792 sc->sc_contrast = val;
793 } else {
794 sc->sc_contrast = sc->sc_max_contrast;
795 }
796 sc->sc_lcd_inited |= CONTRAST_INITED;
797 } else if (inattach) {
798 /*
799 we cannot get real contrast in attach time
800 because contrast device not yet attached.
801 we will retry in !inattach.
802 */
803 sc->sc_max_contrast = -1;
804 sc->sc_contrast = -1;
805 } else {
806 /* we cannot get real contrast */
807 sc->sc_lcd_inited |= CONTRAST_INITED;
808 }
809
810 return;
811 }
812
813
814 void
815 mq200_set_brightness(sc, val)
816 struct mq200_softc *sc;
817 int val;
818 {
819 sc->sc_brightness = val;
820
821 config_hook_call(CONFIG_HOOK_SET, CONFIG_HOOK_BRIGHTNESS, &val);
822 if (config_hook_call(CONFIG_HOOK_GET,
823 CONFIG_HOOK_BRIGHTNESS, &val) != -1) {
824 sc->sc_brightness = val;
825 }
826 }
827
828 void
829 mq200_set_contrast(sc, val)
830 struct mq200_softc *sc;
831 int val;
832 {
833 sc->sc_contrast = val;
834
835 config_hook_call(CONFIG_HOOK_SET, CONFIG_HOOK_CONTRAST, &val);
836 if (config_hook_call(CONFIG_HOOK_GET,
837 CONFIG_HOOK_CONTRAST, &val) != -1) {
838 sc->sc_contrast = val;
839 }
840 }
841