mq200.c revision 1.25 1 /* $NetBSD: mq200.c,v 1.25 2005/12/11 12:17:33 christos 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/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: mq200.c,v 1.25 2005/12/11 12:17:33 christos Exp $");
34
35 #include <sys/param.h>
36 #include <sys/kernel.h>
37 #include <sys/device.h>
38 #include <sys/systm.h>
39 #include <sys/reboot.h>
40
41 #include <uvm/uvm_extern.h>
42
43 #include <dev/wscons/wsconsio.h>
44
45 #include <machine/bootinfo.h>
46 #include <machine/bus.h>
47 #include <machine/autoconf.h>
48 #include <machine/config_hook.h>
49 #include <machine/platid.h>
50 #include <machine/platid_mask.h>
51
52 #include "opt_mq200.h"
53 #include <hpcmips/dev/mq200reg.h>
54 #include <hpcmips/dev/mq200var.h>
55 #include <hpcmips/dev/mq200priv.h>
56
57 #include "bivideo.h"
58 #if NBIVIDEO > 0
59 #include <dev/hpc/bivideovar.h>
60 #endif
61
62 /*
63 * function prototypes
64 */
65 static void mq200_power(int, void *);
66 static int mq200_hardpower(void *, int, long, void *);
67 static int mq200_fbinit(struct hpcfb_fbconf *);
68 static int mq200_ioctl(void *, u_long, caddr_t, int, struct lwp *);
69 static paddr_t mq200_mmap(void *, off_t offset, int);
70 static void mq200_update_powerstate(struct mq200_softc *, int);
71 void mq200_init_backlight(struct mq200_softc *, int);
72 void mq200_init_brightness(struct mq200_softc *, int);
73 void mq200_init_contrast(struct mq200_softc *, int);
74 void mq200_set_brightness(struct mq200_softc *, int);
75 void mq200_set_contrast(struct mq200_softc *, int);
76
77 /*
78 * static variables
79 */
80 struct hpcfb_accessops mq200_ha = {
81 mq200_ioctl, mq200_mmap
82 };
83
84 #ifdef MQ200_DEBUG
85 int mq200_debug = MQ200DEBUG_CONF;
86 #endif
87
88 int
89 mq200_probe(bus_space_tag_t iot, bus_space_handle_t ioh)
90 {
91 unsigned long regval;
92
93 #if NBIVIDEO > 0
94 if (bivideo_dont_attach) /* some video driver already attached */
95 return (0);
96 #endif /* NBIVIDEO > 0 */
97
98 regval = bus_space_read_4(iot, ioh, MQ200_PC00R);
99 VPRINTF("probe: vendor id=%04lx product id=%04lx\n",
100 regval & 0xffff, (regval >> 16) & 0xffff);
101 if (regval != ((MQ200_PRODUCT_ID << 16) | MQ200_VENDOR_ID))
102 return (0);
103
104 return (1);
105 }
106
107 void
108 mq200_attach(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 int mode;
151
152 switch (sc->sc_fbconf.hf_pixel_width) {
153 case 1: mode = MQ200_GCC_1BPP; break;
154 case 2: mode = MQ200_GCC_2BPP; break;
155 case 4: mode = MQ200_GCC_4BPP; break;
156 case 8: mode = MQ200_GCC_8BPP; break;
157 case 16: mode = MQ200_GCC_16BPP_DIRECT; break;
158 default:
159 printf("%s: %dbpp isn't supported\n",
160 sc->sc_dev.dv_xname, sc->sc_fbconf.hf_pixel_width);
161 return;
162 }
163
164 if (sc->sc_md->md_flags & MQ200_MD_HAVEFP) {
165 sc->sc_flags |= MQ200_SC_GC2_ENABLE; /* FP */
166 }
167 #if MQ200_USECRT
168 if (sc->sc_md->md_flags & MQ200_MD_HAVECRT) {
169 int i;
170 sc->sc_flags |= MQ200_SC_GC1_ENABLE; /* CRT */
171 for (i = 0; i < mq200_crt_nparams; i++) {
172 sc->sc_crt = &mq200_crt_params[i];
173 if (sc->sc_md->md_fp_width <=
174 mq200_crt_params[i].width &&
175 sc->sc_md->md_fp_height <=
176 mq200_crt_params[i].height)
177 break;
178 }
179 }
180 #endif
181 mq200_setup(sc);
182
183 if (sc->sc_flags & MQ200_SC_GC2_ENABLE) /* FP */
184 mq200_win_enable(sc, MQ200_GC2, mode,
185 sc->sc_fbconf.hf_baseaddr,
186 sc->sc_fbconf.hf_width, sc->sc_fbconf.hf_height,
187 sc->sc_fbconf.hf_bytes_per_plane);
188 if (sc->sc_flags & MQ200_SC_GC1_ENABLE) /* CRT */
189 mq200_win_enable(sc, MQ200_GC1, mode,
190 sc->sc_fbconf.hf_baseaddr,
191 sc->sc_fbconf.hf_width, sc->sc_fbconf.hf_height,
192 sc->sc_fbconf.hf_bytes_per_plane);
193 }
194 #ifdef MQ200_DEBUG
195 if (sc->sc_md == NULL || bootverbose) {
196 mq200_dump_pll(sc);
197 }
198 #endif
199
200 /* Add a power hook to power saving */
201 sc->sc_mq200pwstate = MQ200_POWERSTATE_D0;
202 sc->sc_powerhook = powerhook_establish(mq200_power, sc);
203 if (sc->sc_powerhook == NULL)
204 printf("%s: WARNING: unable to establish power hook\n",
205 sc->sc_dev.dv_xname);
206
207 /* Add a hard power hook to power saving */
208 sc->sc_hardpowerhook = config_hook(CONFIG_HOOK_PMEVENT,
209 CONFIG_HOOK_PMEVENT_HARDPOWER,
210 CONFIG_HOOK_SHARE,
211 mq200_hardpower, sc);
212 if (sc->sc_hardpowerhook == NULL)
213 printf("%s: WARNING: unable to establish hard power hook\n",
214 sc->sc_dev.dv_xname);
215
216 /* initialize backlight brightness and lcd contrast */
217 sc->sc_lcd_inited = 0;
218 mq200_init_brightness(sc, 1);
219 mq200_init_contrast(sc, 1);
220 mq200_init_backlight(sc, 1);
221
222 if (console && hpcfb_cnattach(&sc->sc_fbconf) != 0) {
223 panic("mq200_attach: can't init fb console");
224 }
225
226 ha.ha_console = console;
227 ha.ha_accessops = &mq200_ha;
228 ha.ha_accessctx = sc;
229 ha.ha_curfbconf = 0;
230 ha.ha_nfbconf = 1;
231 ha.ha_fbconflist = &sc->sc_fbconf;
232 ha.ha_curdspconf = 0;
233 ha.ha_ndspconf = 1;
234 ha.ha_dspconflist = &sc->sc_dspconf;
235
236 config_found(&sc->sc_dev, &ha, hpcfbprint);
237
238 #if NBIVIDEO > 0
239 /*
240 * bivideo is no longer need
241 */
242 bivideo_dont_attach = 1;
243 #endif /* NBIVIDEO > 0 */
244 }
245
246 static void
247 mq200_update_powerstate(struct mq200_softc *sc, int updates)
248 {
249
250 if (updates & PWRSTAT_LCD)
251 config_hook_call(CONFIG_HOOK_POWERCONTROL,
252 CONFIG_HOOK_POWERCONTROL_LCD,
253 (void*)!(sc->sc_powerstate &
254 (PWRSTAT_VIDEOOFF|PWRSTAT_SUSPEND)));
255
256 if (updates & PWRSTAT_BACKLIGHT)
257 config_hook_call(CONFIG_HOOK_POWERCONTROL,
258 CONFIG_HOOK_POWERCONTROL_LCDLIGHT,
259 (void*)(!(sc->sc_powerstate &
260 (PWRSTAT_VIDEOOFF|PWRSTAT_SUSPEND)) &&
261 (sc->sc_powerstate & PWRSTAT_BACKLIGHT)));
262 }
263
264 static void
265 mq200_power(int why, void *arg)
266 {
267 struct mq200_softc *sc = arg;
268
269 switch (why) {
270 case PWR_SUSPEND:
271 sc->sc_powerstate |= PWRSTAT_SUSPEND;
272 mq200_update_powerstate(sc, PWRSTAT_ALL);
273 break;
274 case PWR_STANDBY:
275 sc->sc_powerstate |= PWRSTAT_SUSPEND;
276 mq200_update_powerstate(sc, PWRSTAT_ALL);
277 break;
278 case PWR_RESUME:
279 sc->sc_powerstate &= ~PWRSTAT_SUSPEND;
280 mq200_update_powerstate(sc, PWRSTAT_ALL);
281 break;
282 }
283 }
284
285 static int
286 mq200_hardpower(void *ctx, int type, long id, void *msg)
287 {
288 struct mq200_softc *sc = ctx;
289 int why = (int)msg;
290
291 switch (why) {
292 case PWR_SUSPEND:
293 sc->sc_mq200pwstate = MQ200_POWERSTATE_D2;
294 break;
295 case PWR_STANDBY:
296 sc->sc_mq200pwstate = MQ200_POWERSTATE_D3;
297 break;
298 case PWR_RESUME:
299 sc->sc_mq200pwstate = MQ200_POWERSTATE_D0;
300 break;
301 }
302
303 bus_space_write_4(sc->sc_iot, sc->sc_ioh,
304 MQ200_PMCSR, sc->sc_mq200pwstate);
305
306 /*
307 * you should wait until the
308 * power state transit sequence will end.
309 */
310 {
311 unsigned long tmp;
312 do {
313 tmp = bus_space_read_4(sc->sc_iot, sc->sc_ioh,
314 MQ200_PMCSR);
315 } while ((tmp & 0x3) != (sc->sc_mq200pwstate & 0x3));
316 delay(100000); /* XXX */
317 }
318
319 return (0);
320 }
321
322
323 static int
324 mq200_fbinit(struct hpcfb_fbconf *fb)
325 {
326
327 /*
328 * get fb settings from bootinfo
329 */
330 if (bootinfo == NULL ||
331 bootinfo->fb_addr == 0 ||
332 bootinfo->fb_line_bytes == 0 ||
333 bootinfo->fb_width == 0 ||
334 bootinfo->fb_height == 0) {
335 printf("no frame buffer information.\n");
336 return (-1);
337 }
338
339 /* zero fill */
340 bzero(fb, sizeof(*fb));
341
342 fb->hf_conf_index = 0; /* configuration index */
343 fb->hf_nconfs = 1; /* how many configurations */
344 strcpy(fb->hf_name, "built-in video");
345 /* frame buffer name */
346 strcpy(fb->hf_conf_name, "default");
347 /* configuration name */
348 fb->hf_height = bootinfo->fb_height;
349 fb->hf_width = bootinfo->fb_width;
350 fb->hf_baseaddr = mips_ptob(mips_btop(bootinfo->fb_addr));
351 fb->hf_offset = (u_long)bootinfo->fb_addr - fb->hf_baseaddr;
352 /* frame buffer start offset */
353 fb->hf_bytes_per_line = bootinfo->fb_line_bytes;
354 fb->hf_nplanes = 1;
355 fb->hf_bytes_per_plane = bootinfo->fb_height *
356 bootinfo->fb_line_bytes;
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
362 switch (bootinfo->fb_type) {
363 /*
364 * monochrome
365 */
366 case BIFB_D1_M2L_1:
367 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE;
368 /* fall through */
369 case BIFB_D1_M2L_0:
370 fb->hf_class = HPCFB_CLASS_GRAYSCALE;
371 fb->hf_access_flags |= HPCFB_ACCESS_STATIC;
372 fb->hf_pack_width = 8;
373 fb->hf_pixels_per_pack = 8;
374 fb->hf_pixel_width = 1;
375 fb->hf_class_data_length = sizeof(struct hf_gray_tag);
376 fb->hf_u.hf_gray.hf_flags = 0; /* reserved for future use */
377 break;
378
379 /*
380 * gray scale
381 */
382 case BIFB_D2_M2L_3:
383 case BIFB_D2_M2L_3x2:
384 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE;
385 /* fall through */
386 case BIFB_D2_M2L_0:
387 case BIFB_D2_M2L_0x2:
388 fb->hf_class = HPCFB_CLASS_GRAYSCALE;
389 fb->hf_access_flags |= HPCFB_ACCESS_STATIC;
390 fb->hf_pack_width = 8;
391 fb->hf_pixels_per_pack = 4;
392 fb->hf_pixel_width = 2;
393 fb->hf_class_data_length = sizeof(struct hf_gray_tag);
394 fb->hf_u.hf_gray.hf_flags = 0; /* reserved for future use */
395 break;
396
397 case BIFB_D4_M2L_F:
398 case BIFB_D4_M2L_Fx2:
399 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE;
400 /* fall through */
401 case BIFB_D4_M2L_0:
402 case BIFB_D4_M2L_0x2:
403 fb->hf_class = HPCFB_CLASS_GRAYSCALE;
404 fb->hf_access_flags |= HPCFB_ACCESS_STATIC;
405 fb->hf_pack_width = 8;
406 fb->hf_pixels_per_pack = 2;
407 fb->hf_pixel_width = 4;
408 fb->hf_class_data_length = sizeof(struct hf_gray_tag);
409 fb->hf_u.hf_gray.hf_flags = 0; /* reserved for future use */
410 break;
411
412 /*
413 * indexed color
414 */
415 case BIFB_D8_FF:
416 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE;
417 /* fall through */
418 case BIFB_D8_00:
419 fb->hf_class = HPCFB_CLASS_INDEXCOLOR;
420 fb->hf_access_flags |= HPCFB_ACCESS_STATIC;
421 fb->hf_pack_width = 8;
422 fb->hf_pixels_per_pack = 1;
423 fb->hf_pixel_width = 8;
424 fb->hf_class_data_length = sizeof(struct hf_indexed_tag);
425 fb->hf_u.hf_indexed.hf_flags = 0; /* reserved for future use */
426 break;
427
428 /*
429 * RGB color
430 */
431 case BIFB_D16_FFFF:
432 fb->hf_access_flags |= HPCFB_ACCESS_REVERSE;
433 /* fall through */
434 case BIFB_D16_0000:
435 fb->hf_class = HPCFB_CLASS_RGBCOLOR;
436 fb->hf_access_flags |= HPCFB_ACCESS_STATIC;
437 fb->hf_order_flags = HPCFB_REVORDER_BYTE;
438 fb->hf_pack_width = 16;
439 fb->hf_pixels_per_pack = 1;
440 fb->hf_pixel_width = 16;
441
442 fb->hf_class_data_length = sizeof(struct hf_rgb_tag);
443 fb->hf_u.hf_rgb.hf_flags = 0; /* reserved for future use */
444
445 fb->hf_u.hf_rgb.hf_red_width = 5;
446 fb->hf_u.hf_rgb.hf_red_shift = 11;
447 fb->hf_u.hf_rgb.hf_green_width = 6;
448 fb->hf_u.hf_rgb.hf_green_shift = 5;
449 fb->hf_u.hf_rgb.hf_blue_width = 5;
450 fb->hf_u.hf_rgb.hf_blue_shift = 0;
451 fb->hf_u.hf_rgb.hf_alpha_width = 0;
452 fb->hf_u.hf_rgb.hf_alpha_shift = 0;
453 break;
454
455 default:
456 printf("unknown type (=%d).\n", bootinfo->fb_type);
457 return (-1);
458 break;
459 }
460
461 return (0); /* no error */
462 }
463
464 int
465 mq200_ioctl(v, cmd, data, flag, l)
466 void *v;
467 u_long cmd;
468 caddr_t data;
469 int flag;
470 struct lwp *l;
471 {
472 struct mq200_softc *sc = (struct mq200_softc *)v;
473 struct hpcfb_fbconf *fbconf;
474 struct hpcfb_dspconf *dspconf;
475 struct wsdisplay_cmap *cmap;
476 struct wsdisplay_param *dispparam;
477
478 switch (cmd) {
479 case WSDISPLAYIO_GETCMAP:
480 cmap = (struct wsdisplay_cmap *)data;
481
482 if (sc->sc_fbconf.hf_class != HPCFB_CLASS_INDEXCOLOR ||
483 sc->sc_fbconf.hf_pack_width != 8 ||
484 256 <= cmap->index ||
485 256 - cmap->index < cmap->count)
486 return (EINVAL);
487
488 /*
489 * This driver can't get color map.
490 */
491 return (EINVAL);
492
493 case WSDISPLAYIO_PUTCMAP:
494 /*
495 * This driver can't set color map.
496 */
497 return (EINVAL);
498
499 case WSDISPLAYIO_SVIDEO:
500 if (*(int *)data == WSDISPLAYIO_VIDEO_OFF)
501 sc->sc_powerstate |= PWRSTAT_VIDEOOFF;
502 else
503 sc->sc_powerstate &= ~PWRSTAT_VIDEOOFF;
504 mq200_update_powerstate(sc, PWRSTAT_ALL);
505 return 0;
506
507 case WSDISPLAYIO_GVIDEO:
508 *(int *)data = (sc->sc_powerstate&PWRSTAT_VIDEOOFF) ?
509 WSDISPLAYIO_VIDEO_OFF:WSDISPLAYIO_VIDEO_ON;
510 return 0;
511
512 case WSDISPLAYIO_GETPARAM:
513 dispparam = (struct wsdisplay_param*)data;
514 switch (dispparam->param) {
515 case WSDISPLAYIO_PARAM_BACKLIGHT:
516 VPRINTF("ioctl: GET:BACKLIGHT\n");
517 mq200_init_brightness(sc, 0);
518 mq200_init_backlight(sc, 0);
519 VPRINTF("ioctl: GET:(real)BACKLIGHT %d\n",
520 (sc->sc_powerstate&PWRSTAT_BACKLIGHT)? 1: 0);
521 dispparam->min = 0;
522 dispparam->max = 1;
523 if (sc->sc_max_brightness > 0)
524 dispparam->curval = sc->sc_brightness > 0
525 ? 1: 0;
526 else
527 dispparam->curval =
528 (sc->sc_powerstate&PWRSTAT_BACKLIGHT)
529 ? 1: 0;
530 VPRINTF("ioctl: GET:BACKLIGHT:%d(%s)\n",
531 dispparam->curval,
532 sc->sc_max_brightness > 0? "brightness": "light");
533 return 0;
534 break;
535 case WSDISPLAYIO_PARAM_CONTRAST:
536 VPRINTF("ioctl: GET:CONTRAST\n");
537 mq200_init_contrast(sc, 0);
538 if (sc->sc_max_contrast > 0) {
539 dispparam->min = 0;
540 dispparam->max = sc->sc_max_contrast;
541 dispparam->curval = sc->sc_contrast;
542 VPRINTF("ioctl: GET:CONTRAST"
543 " max=%d, current=%d\n",
544 sc->sc_max_contrast, sc->sc_contrast);
545 return 0;
546 } else {
547 VPRINTF("ioctl: GET:CONTRAST EINVAL\n");
548 return (EINVAL);
549 }
550 break;
551 case WSDISPLAYIO_PARAM_BRIGHTNESS:
552 VPRINTF("ioctl: GET:BRIGHTNESS\n");
553 mq200_init_brightness(sc, 0);
554 if (sc->sc_max_brightness > 0) {
555 dispparam->min = 0;
556 dispparam->max = sc->sc_max_brightness;
557 dispparam->curval = sc->sc_brightness;
558 VPRINTF("ioctl: GET:BRIGHTNESS"
559 " max=%d, current=%d\n",
560 sc->sc_max_brightness, sc->sc_brightness);
561 return 0;
562 } else {
563 VPRINTF("ioctl: GET:BRIGHTNESS EINVAL\n");
564 return (EINVAL);
565 }
566 return (EINVAL);
567 default:
568 return (EINVAL);
569 }
570 return (0);
571
572 case WSDISPLAYIO_SETPARAM:
573 dispparam = (struct wsdisplay_param*)data;
574 switch (dispparam->param) {
575 case WSDISPLAYIO_PARAM_BACKLIGHT:
576 VPRINTF("ioctl: SET:BACKLIGHT\n");
577 if (dispparam->curval < 0 ||
578 1 < dispparam->curval)
579 return (EINVAL);
580 mq200_init_brightness(sc, 0);
581 VPRINTF("ioctl: SET:max brightness=%d\n",
582 sc->sc_max_brightness);
583 if (sc->sc_max_brightness > 0) { /* dimmer */
584 if (dispparam->curval == 0){
585 sc->sc_brightness_save =
586 sc->sc_brightness;
587 mq200_set_brightness(sc, 0); /* min */
588 } else {
589 if (sc->sc_brightness_save == 0)
590 sc->sc_brightness_save =
591 sc->sc_max_brightness;
592 mq200_set_brightness(sc,
593 sc->sc_brightness_save);
594 }
595 VPRINTF("ioctl: SET:BACKLIGHT:"
596 " brightness=%d\n", sc->sc_brightness);
597 } else { /* off */
598 if (dispparam->curval == 0)
599 sc->sc_powerstate &= ~PWRSTAT_BACKLIGHT;
600 else
601 sc->sc_powerstate |= PWRSTAT_BACKLIGHT;
602 VPRINTF("ioctl: SET:BACKLIGHT:"
603 " powerstate %d\n",
604 (sc->sc_powerstate & PWRSTAT_BACKLIGHT)
605 ? 1 : 0);
606 mq200_update_powerstate(sc, PWRSTAT_BACKLIGHT);
607 VPRINTF("ioctl: SET:BACKLIGHT:%d\n",
608 (sc->sc_powerstate & PWRSTAT_BACKLIGHT)
609 ? 1 : 0);
610 }
611 return 0;
612 break;
613 case WSDISPLAYIO_PARAM_CONTRAST:
614 VPRINTF("ioctl: SET:CONTRAST\n");
615 mq200_init_contrast(sc, 0);
616 if (dispparam->curval < 0 ||
617 sc->sc_max_contrast < dispparam->curval)
618 return (EINVAL);
619 if (sc->sc_max_contrast > 0) {
620 int org = sc->sc_contrast;
621 mq200_set_contrast(sc, dispparam->curval);
622 VPRINTF("ioctl: SET:CONTRAST"
623 " org=%d, current=%d\n", org,
624 sc->sc_contrast);
625 VPRINTF("ioctl: SETPARAM:"
626 " CONTRAST org=%d, current=%d\n", org,
627 sc->sc_contrast);
628 return 0;
629 } else {
630 VPRINTF("ioctl: SET:CONTRAST EINVAL\n");
631 return (EINVAL);
632 }
633 break;
634 case WSDISPLAYIO_PARAM_BRIGHTNESS:
635 VPRINTF("ioctl: SET:BRIGHTNESS\n");
636 mq200_init_brightness(sc, 0);
637 if (dispparam->curval < 0 ||
638 sc->sc_max_brightness < dispparam->curval)
639 return (EINVAL);
640 if (sc->sc_max_brightness > 0) {
641 int org = sc->sc_brightness;
642 mq200_set_brightness(sc, dispparam->curval);
643 VPRINTF("ioctl: SET:BRIGHTNESS"
644 " org=%d, current=%d\n", org,
645 sc->sc_brightness);
646 return 0;
647 } else {
648 VPRINTF("ioctl: SET:BRIGHTNESS EINVAL\n");
649 return (EINVAL);
650 }
651 break;
652 default:
653 return (EINVAL);
654 }
655 return (0);
656
657 case HPCFBIO_GCONF:
658 fbconf = (struct hpcfb_fbconf *)data;
659 if (fbconf->hf_conf_index != 0 &&
660 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) {
661 return (EINVAL);
662 }
663 *fbconf = sc->sc_fbconf; /* structure assignment */
664 return (0);
665 case HPCFBIO_SCONF:
666 fbconf = (struct hpcfb_fbconf *)data;
667 if (fbconf->hf_conf_index != 0 &&
668 fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) {
669 return (EINVAL);
670 }
671 /*
672 * nothing to do because we have only one configuration
673 */
674 return (0);
675 case HPCFBIO_GDSPCONF:
676 dspconf = (struct hpcfb_dspconf *)data;
677 if ((dspconf->hd_unit_index != 0 &&
678 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) ||
679 (dspconf->hd_conf_index != 0 &&
680 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) {
681 return (EINVAL);
682 }
683 *dspconf = sc->sc_dspconf; /* structure assignment */
684 return (0);
685 case HPCFBIO_SDSPCONF:
686 dspconf = (struct hpcfb_dspconf *)data;
687 if ((dspconf->hd_unit_index != 0 &&
688 dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) ||
689 (dspconf->hd_conf_index != 0 &&
690 dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) {
691 return (EINVAL);
692 }
693 /*
694 * nothing to do
695 * because we have only one unit and one configuration
696 */
697 return (0);
698 case HPCFBIO_GOP:
699 case HPCFBIO_SOP:
700 /*
701 * curently not implemented...
702 */
703 return (EINVAL);
704 }
705
706 return (EPASSTHROUGH);
707 }
708
709 paddr_t
710 mq200_mmap(void *ctx, off_t offset, int prot)
711 {
712 struct mq200_softc *sc = (struct mq200_softc *)ctx;
713
714 if (offset < 0 || MQ200_MAPSIZE <= offset)
715 return -1;
716
717 return mips_btop(sc->sc_baseaddr + offset);
718 }
719
720
721 void
722 mq200_init_backlight(struct mq200_softc *sc, int inattach)
723 {
724 int val = -1;
725
726 if (sc->sc_lcd_inited&BACKLIGHT_INITED)
727 return;
728
729 if (config_hook_call(CONFIG_HOOK_GET,
730 CONFIG_HOOK_POWER_LCDLIGHT, &val) != -1) {
731 /* we can get real light state */
732 VPRINTF("init_backlight: real backlight=%d\n", val);
733 if (val == 0)
734 sc->sc_powerstate &= ~PWRSTAT_BACKLIGHT;
735 else
736 sc->sc_powerstate |= PWRSTAT_BACKLIGHT;
737 sc->sc_lcd_inited |= BACKLIGHT_INITED;
738 } else if (inattach) {
739 /*
740 we cannot get real light state in attach time
741 because light device not yet attached.
742 we will retry in !inattach.
743 temporary assume light is on.
744 */
745 sc->sc_powerstate |= PWRSTAT_BACKLIGHT;
746 } else {
747 /* we cannot get real light state, so work by myself state */
748 sc->sc_lcd_inited |= BACKLIGHT_INITED;
749 }
750 }
751
752 void
753 mq200_init_brightness(struct mq200_softc *sc, int inattach)
754 {
755 int val = -1;
756
757 if (sc->sc_lcd_inited&BRIGHTNESS_INITED)
758 return;
759
760 VPRINTF("init_brightness\n");
761 if (config_hook_call(CONFIG_HOOK_GET,
762 CONFIG_HOOK_BRIGHTNESS_MAX, &val) != -1) {
763 /* we can get real brightness max */
764 VPRINTF("init_brightness: real brightness max=%d\n", val);
765 sc->sc_max_brightness = val;
766 val = -1;
767 if (config_hook_call(CONFIG_HOOK_GET,
768 CONFIG_HOOK_BRIGHTNESS, &val) != -1) {
769 /* we can get real brightness */
770 VPRINTF("init_brightness: real brightness=%d\n", val);
771 sc->sc_brightness_save = sc->sc_brightness = val;
772 } else {
773 sc->sc_brightness_save =
774 sc->sc_brightness = sc->sc_max_brightness;
775 }
776 sc->sc_lcd_inited |= BRIGHTNESS_INITED;
777 } else if (inattach) {
778 /*
779 we cannot get real brightness in attach time
780 because brightness device not yet attached.
781 we will retry in !inattach.
782 */
783 sc->sc_max_brightness = -1;
784 sc->sc_brightness = -1;
785 sc->sc_brightness_save = -1;
786 } else {
787 /* we cannot get real brightness */
788 sc->sc_lcd_inited |= BRIGHTNESS_INITED;
789 }
790
791 return;
792 }
793
794
795 void
796 mq200_init_contrast(struct mq200_softc *sc, int inattach)
797 {
798 int val = -1;
799
800 if (sc->sc_lcd_inited&CONTRAST_INITED)
801 return;
802
803 VPRINTF("init_contrast\n");
804 if (config_hook_call(CONFIG_HOOK_GET,
805 CONFIG_HOOK_CONTRAST_MAX, &val) != -1) {
806 /* we can get real contrast max */
807 VPRINTF("init_contrast: real contrast max=%d\n", val);
808 sc->sc_max_contrast = val;
809 val = -1;
810 if (config_hook_call(CONFIG_HOOK_GET,
811 CONFIG_HOOK_CONTRAST, &val) != -1) {
812 /* we can get real contrast */
813 VPRINTF("init_contrast: real contrast=%d\n", val);
814 sc->sc_contrast = val;
815 } else {
816 sc->sc_contrast = sc->sc_max_contrast;
817 }
818 sc->sc_lcd_inited |= CONTRAST_INITED;
819 } else if (inattach) {
820 /*
821 we cannot get real contrast in attach time
822 because contrast device not yet attached.
823 we will retry in !inattach.
824 */
825 sc->sc_max_contrast = -1;
826 sc->sc_contrast = -1;
827 } else {
828 /* we cannot get real contrast */
829 sc->sc_lcd_inited |= CONTRAST_INITED;
830 }
831
832 return;
833 }
834
835
836 void
837 mq200_set_brightness(struct mq200_softc *sc, int val)
838 {
839 sc->sc_brightness = val;
840
841 config_hook_call(CONFIG_HOOK_SET, CONFIG_HOOK_BRIGHTNESS, &val);
842 if (config_hook_call(CONFIG_HOOK_GET,
843 CONFIG_HOOK_BRIGHTNESS, &val) != -1) {
844 sc->sc_brightness = val;
845 }
846 }
847
848 void
849 mq200_set_contrast(struct mq200_softc *sc, int val)
850 {
851 sc->sc_contrast = val;
852
853 config_hook_call(CONFIG_HOOK_SET, CONFIG_HOOK_CONTRAST, &val);
854 if (config_hook_call(CONFIG_HOOK_GET,
855 CONFIG_HOOK_CONTRAST, &val) != -1) {
856 sc->sc_contrast = val;
857 }
858 }
859