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ite8181.c revision 1.3.2.5
      1 /*	$NetBSD: ite8181.c,v 1.3.2.5 2001/02/11 19:10:28 bouyer Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000 SATO Kazumi
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  *
     28  */
     29 
     30 #include <sys/param.h>
     31 #include <sys/kernel.h>
     32 #include <sys/device.h>
     33 #include <sys/systm.h>
     34 #include <sys/boot_flag.h>
     35 #include <sys/buf.h>
     36 
     37 #include <uvm/uvm_extern.h>
     38 
     39 #include <dev/wscons/wsconsio.h>
     40 
     41 #include <machine/bootinfo.h>
     42 #include <machine/bus.h>
     43 #include <machine/autoconf.h>
     44 #include <machine/config_hook.h>
     45 #include <machine/platid.h>
     46 #include <machine/platid_mask.h>
     47 
     48 #include <hpcmips/dev/ite8181reg.h>
     49 #include <hpcmips/dev/ite8181var.h>
     50 #include "bivideo.h"
     51 #if NBIVIDEO > 0
     52 #include <hpcmips/dev/bivideovar.h>
     53 #endif
     54 #include <hpcmips/dev/hpccmapvar.h>
     55 
     56 
     57 #define ITE8181DEBUG
     58 #ifdef ITE8181DEBUG
     59 #ifndef ITE8181DEBUG_CONF
     60 #define ITE8181DEBUG_CONF 0
     61 #endif
     62 int	ite8181_debug = ITE8181DEBUG_CONF;
     63 #define	DPRINTF(arg)     if (ite8181_debug) printf arg
     64 #define	DPRINTFN(n, arg) if (ite8181_debug > (n)) printf arg
     65 #define	VPRINTF(arg)     if (bootverbose || ite8181_debug) printf arg
     66 #define	VPRINTFN(n, arg) if (bootverbose || ite8181_debug > (n)) printf arg
     67 #else
     68 #define	DPRINTF(arg)
     69 #define DPRINTFN(n, arg)
     70 #define	VPRINTF(arg)     if (bootverbose) printf arg
     71 #define	VPRINTFN(n, arg) if (bootverbose) printf arg
     72 #endif
     73 
     74 #ifndef ITE8181_LCD_CONTROL_ENABLE
     75 int ite8181_lcd_control_disable = 1;
     76 #else /* ITE8181_LCD_CONTROL_ENABLE */
     77 int ite8181_lcd_control_disable = 0;
     78 #endif /* ITE8181_LCD_CONTROL_ENABLE */
     79 
     80 #define ITE8181_WINCE_CMAP
     81 
     82 /*
     83  * XXX:
     84  * IBM WorkPad z50 power unit has too weak power.
     85  * So we must wait too many times to access some device
     86  * after LCD panel and BackLight on.
     87  * Currently delay is not enough ??? FIXME
     88  */
     89 #ifndef ITE8181_LCD_ON_SELF_DELAY
     90 #define ITE8181_LCD_ON_SELF_DELAY 1000
     91 #endif /* ITE8181_LCD_ON__SELF_DELAY */
     92 #ifndef ITE8181_LCD_ON_DELAY
     93 #define ITE8181_LCD_ON_DELAY 2000
     94 #endif /* ITE8181_LCD_ON_DELAY */
     95 int ite8181_lcd_on_self_delay = ITE8181_LCD_ON_SELF_DELAY; /* msec */
     96 int ite8181_lcd_on_delay = ITE8181_LCD_ON_DELAY; /* msec */
     97 
     98 #define MSEC	1000
     99 /*
    100  * function prototypes
    101  */
    102 static void	ite8181_config_write_4 __P((bus_space_tag_t, bus_space_handle_t, int, int));
    103 static int	ite8181_config_read_4 __P((bus_space_tag_t, bus_space_handle_t, int));
    104 
    105 static void	ite8181_gui_write_4 __P((struct ite8181_softc *, int, int));
    106 static int	ite8181_gui_read_4 __P((struct ite8181_softc *, int));
    107 
    108 static void	ite8181_gui_write_1 __P((struct ite8181_softc *, int, int));
    109 static int	ite8181_gui_read_1 __P((struct ite8181_softc *, int));
    110 
    111 static void	ite8181_graphics_write_1 __P((struct ite8181_softc *, int, int));
    112 static int	ite8181_graphics_read_1 __P((struct ite8181_softc *, int));
    113 
    114 static void	ite8181_ema_write_1 __P((struct ite8181_softc *, int, int));
    115 static int	ite8181_ema_read_1 __P((struct ite8181_softc *, int));
    116 
    117 static void	ite8181_power __P((int, void *));
    118 static int	ite8181_hardpower __P((void *, int, long, void *));
    119 static int	ite8181_fbinit __P((struct hpcfb_fbconf *));
    120 static int	ite8181_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
    121 static paddr_t	ite8181_mmap __P((void *, off_t offset, int));
    122 static void	ite8181_erase_cursor __P((struct ite8181_softc *));
    123 static int	ite8181_lcd_power __P((struct ite8181_softc *, int));
    124 /*
    125  * static variables
    126  */
    127 struct hpcfb_accessops ite8181_ha = {
    128 	ite8181_ioctl, ite8181_mmap
    129 };
    130 
    131 inline int
    132 ite8181_config_read_4(iot, ioh, byteoffset)
    133 	bus_space_tag_t iot;
    134 	bus_space_handle_t ioh;
    135 	int byteoffset;
    136 {
    137 	return bus_space_read_4(iot, ioh, ITE8181_CONF_OFFSET + byteoffset);
    138 }
    139 
    140 inline void
    141 ite8181_config_write_4(iot, ioh, byteoffset, data)
    142 	bus_space_tag_t iot;
    143 	bus_space_handle_t ioh;
    144 	int byteoffset;
    145 	int data;
    146 {
    147 	bus_space_write_4(iot, ioh, ITE8181_CONF_OFFSET + byteoffset, data);
    148 }
    149 
    150 inline int
    151 ite8181_gui_read_4(sc, byteoffset)
    152 	struct ite8181_softc *sc;
    153 	int byteoffset;
    154 {
    155 	return bus_space_read_4(sc->sc_iot, sc->sc_ioh,
    156 			sc->sc_gba + byteoffset);
    157 }
    158 
    159 inline void
    160 ite8181_gui_write_4(sc, byteoffset, data)
    161 	struct ite8181_softc *sc;
    162 	int byteoffset;
    163 	int data;
    164 {
    165 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, sc->sc_gba + byteoffset, data);
    166 }
    167 
    168 inline int
    169 ite8181_gui_read_1(sc, byteoffset)
    170 	struct ite8181_softc *sc;
    171 	int byteoffset;
    172 {
    173 	return bus_space_read_1(sc->sc_iot, sc->sc_ioh,
    174 			sc->sc_gba + byteoffset);
    175 }
    176 
    177 inline void
    178 ite8181_gui_write_1(sc, byteoffset, data)
    179 	struct ite8181_softc *sc;
    180 	int byteoffset;
    181 	int data;
    182 {
    183 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->sc_gba + byteoffset, data);
    184 }
    185 
    186 inline int
    187 ite8181_graphics_read_1(sc, byteoffset)
    188 	struct ite8181_softc *sc;
    189 	int byteoffset;
    190 {
    191 	return bus_space_read_1(sc->sc_iot, sc->sc_ioh,
    192 			sc->sc_sba + byteoffset);
    193 }
    194 
    195 inline void
    196 ite8181_graphics_write_1(sc, byteoffset, data)
    197 	struct ite8181_softc *sc;
    198 	int byteoffset;
    199 	int data;
    200 {
    201 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->sc_sba + byteoffset, data);
    202 }
    203 
    204 inline int
    205 ite8181_ema_read_1(sc, byteoffset)
    206 	struct ite8181_softc *sc;
    207 	int byteoffset;
    208 {
    209 	ite8181_graphics_write_1(sc, ITE8181_EMA_EXAX, byteoffset);
    210 	return ite8181_graphics_read_1(sc, ITE8181_EMA_EXADATA);
    211 }
    212 
    213 inline void
    214 ite8181_ema_write_1(sc, byteoffset, data)
    215 	struct ite8181_softc *sc;
    216 	int byteoffset;
    217 	int data;
    218 {
    219 	ite8181_graphics_write_1(sc, ITE8181_EMA_EXAX, byteoffset);
    220 	ite8181_graphics_write_1(sc, ITE8181_EMA_EXADATA, data);
    221 }
    222 
    223 int
    224 ite8181_probe(iot, ioh)
    225 	bus_space_tag_t iot;
    226 	bus_space_handle_t ioh;
    227 {
    228 	unsigned long regval;
    229 
    230 #if NBIVIDEO > 0
    231 	if (bivideo_dont_attach)	/* some video driver already attached */
    232 		return (0);
    233 #endif /* NBIVIDEO > 0 */
    234 
    235 	regval = ite8181_config_read_4(iot, ioh, ITE8181_ID);
    236 	VPRINTF(("ite8181_probe: vendor id=%04lx product id=%04lx\n",
    237 		 regval & 0xffff, (regval >> 16) & 0xffff));
    238 	if (regval != ((ITE8181_PRODUCT_ID << 16) | ITE8181_VENDER_ID))
    239 		return (0);
    240 
    241 	return (1);
    242 }
    243 
    244 void
    245 ite8181_attach(sc)
    246 	struct ite8181_softc *sc;
    247 {
    248 	unsigned long regval;
    249 	struct hpcfb_attach_args ha;
    250 	int console = (bootinfo->bi_cnuse & BI_CNUSE_SERIAL) ? 0 : 1;
    251 
    252 	regval = ite8181_config_read_4(sc->sc_iot, sc->sc_ioh, ITE8181_CLASS);
    253 	printf(": ITE8181 Rev.%02lx\n", regval & ITE8181_REV_MASK);
    254 
    255 	/* set base offsets */
    256 	sc->sc_mba = ite8181_config_read_4(sc->sc_iot, sc->sc_ioh, ITE8181_MBA);
    257 	DPRINTFN(1, ("ite8181: Memory base offset %08x\n", sc->sc_mba));
    258 	sc->sc_gba = ite8181_config_read_4(sc->sc_iot, sc->sc_ioh, ITE8181_GBA);
    259 	DPRINTFN(1, ("ite8181: GUI base offset %08x\n", sc->sc_gba));
    260 	sc->sc_sba = ite8181_config_read_4(sc->sc_iot, sc->sc_ioh, ITE8181_SBA);
    261 	DPRINTFN(1, ("ite8181: Graphics base offset %08x\n", sc->sc_sba));
    262 
    263 	/* assume lcd is on */
    264 	sc->sc_lcd = 1;
    265 
    266 	/* Add a power hook to power saving */
    267 	sc->sc_powerstate = ITE8181_POWERSTATE_D0;
    268 	sc->sc_powerhook = powerhook_establish(ite8181_power, sc);
    269 	if (sc->sc_powerhook == NULL)
    270 		printf("%s: WARNING: unable to establish power hook\n",
    271 			sc->sc_dev.dv_xname);
    272 
    273 	/* Add a hard power hook to power saving */
    274 	sc->sc_hardpowerhook = config_hook(CONFIG_HOOK_PMEVENT,
    275 					   CONFIG_HOOK_PMEVENT_HARDPOWER,
    276 					   CONFIG_HOOK_SHARE,
    277 					   ite8181_hardpower, sc);
    278 	if (sc->sc_hardpowerhook == NULL)
    279 		printf("%s: WARNING: unable to establish hard power hook\n",
    280 			sc->sc_dev.dv_xname);
    281 
    282 	if (ite8181_fbinit(&sc->sc_fbconf) != 0) {
    283 		/* just return so that hpcfb will not be attached */
    284 		return;
    285 	}
    286 
    287 	ite8181_erase_cursor(sc);
    288 
    289 	if (console && hpcfb_cnattach(&sc->sc_fbconf) != 0) {
    290 		panic("ite8181_attach: can't init fb console");
    291 	}
    292 
    293 	ha.ha_console = console;
    294 	ha.ha_accessops = &ite8181_ha;
    295 	ha.ha_accessctx = sc;
    296 	ha.ha_curfbconf = 0;
    297 	ha.ha_nfbconf = 1;
    298 	ha.ha_fbconflist = &sc->sc_fbconf;
    299 	ha.ha_curdspconf = 0;
    300 	ha.ha_ndspconf = 1;
    301 	ha.ha_dspconflist = &sc->sc_dspconf;
    302 
    303 	config_found(&sc->sc_dev, &ha, hpcfbprint);
    304 
    305 #if NBIVIDEO > 0
    306 	/*
    307 	 * bivideo is no longer need
    308 	 */
    309 	bivideo_dont_attach = 1;
    310 #endif /* NBIVIDEO > 0 */
    311 }
    312 
    313 int ite8181_lcd_power(sc, on)
    314 	struct ite8181_softc *sc;
    315 	int on;
    316 {
    317 	int lcd_p;
    318 	int lcd_s;
    319 	int lcd_seq;
    320 	int loop = 10;
    321 
    322 	if (ite8181_lcd_control_disable) {
    323 		VPRINTF(("ite8171_lcd_control_disable!: %s\n", on?"on":"off"));
    324 		return 0;
    325 	}
    326 
    327 	if (sc->sc_lcd != on) {
    328 		ite8181_ema_write_1(sc, ITE8181_EMA_ENABLEEMA,
    329 			ITE8181_EMA_ENABLEPASS);
    330 		lcd_p = ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWER);
    331 		lcd_s = ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWERSTAT);
    332 		lcd_seq = ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWERSEQ);
    333 		DPRINTFN(1,("ite8181_lcd_power(%d)< p=%x, s=%x, seq=%x\n",
    334 			on,
    335 			lcd_p, lcd_s, lcd_seq));
    336 		if (on) {
    337 			sc->sc_lcd = 1;
    338 			lcd_seq |= (ITE8181_PUP0|ITE8181_PUP1|ITE8181_PUP2);
    339 			ite8181_ema_write_1(sc, ITE8181_EMA_LCDPOWERSEQ, lcd_seq);
    340 			lcd_p &= ~ITE8181_LCDSTANDBY;
    341 			ite8181_ema_write_1(sc, ITE8181_EMA_LCDPOWER, lcd_p);
    342 			/*
    343 			 * XXX:
    344 			 * IBM WorkPad z50 power unit has too weak power.
    345 			 * So we must wait too many times to access self device
    346 			 * after LCD panel and BackLight on.
    347 			 * Currently delay is not enough ??? FIXME
    348 			 */
    349 			delay(ite8181_lcd_on_self_delay*MSEC);
    350 			while (loop--) {
    351 				lcd_p = ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWER);
    352 				lcd_s = ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWERSTAT);
    353 				lcd_seq = ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWERSEQ);
    354 				DPRINTFN(1,("ite8181_lcd_power(%d)%d| p=%x, s=%x, seq=%x\n",
    355 					on, loop,
    356 					lcd_p, lcd_s, lcd_seq));
    357 				/* XXX the states which are not described in manual.*/
    358 				if (!(lcd_s&ITE8181_LCDPSTANDBY) &&
    359 					!(lcd_s&ITE8181_LCDPUP) &&
    360 					(lcd_s&ITE8181_LCDPON))
    361 					break;
    362 				delay(100);
    363 			}
    364 			lcd_s |= ITE8181_PPTOBEON;
    365 			ite8181_ema_write_1(sc, ITE8181_EMA_LCDPOWERSTAT, lcd_s);
    366 		} else {
    367 			sc->sc_lcd = 0;
    368 			lcd_p |= ITE8181_LCDSTANDBY;
    369 			ite8181_ema_write_1(sc, ITE8181_EMA_LCDPOWER, lcd_p);
    370 			while (loop--) {
    371 				lcd_p = ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWER);
    372 				lcd_s = ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWERSTAT);
    373 				lcd_seq = ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWERSEQ);
    374 				DPRINTFN(1,("ite8181_lcd_power(%d)%d| p=%x, s=%x, seq=%x\n",
    375 					on, loop,
    376 					lcd_p, lcd_s, lcd_seq));
    377 				/* XXX the states which are not described in manual.*/
    378 				if ((lcd_s&ITE8181_LCDPSTANDBY) &&
    379 					!(lcd_s&ITE8181_LCDPDOWN) &&
    380 					!(lcd_s&ITE8181_LCDPON))
    381 					break;
    382 				delay(100);
    383 			}
    384 			lcd_s &= ~ITE8181_PPTOBEON;
    385 			ite8181_ema_write_1(sc, ITE8181_EMA_LCDPOWERSTAT, lcd_s);
    386 		}
    387 		DPRINTFN(1,("ite8181_lcd_power(%d)> p=%x, s=%x, seq=%x\n",
    388 			on,
    389 			ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWER),
    390 			ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWERSTAT),
    391 			ite8181_ema_read_1(sc, ITE8181_EMA_LCDPOWERSEQ)));
    392 		ite8181_ema_write_1(sc, ITE8181_EMA_ENABLEEMA,
    393 					ITE8181_EMA_DISABLEPASS);
    394 	}
    395 	return 0;
    396 }
    397 
    398 static void
    399 ite8181_erase_cursor(sc)
    400 	struct ite8181_softc *sc;
    401 {
    402 	ite8181_gui_write_1(sc, ITE8181_GUI_C1C, 0); /* Cursor 1 Control Reg. */
    403 	/* other ? */
    404 }
    405 
    406 static void
    407 ite8181_power(why, arg)
    408 	int why;
    409 	void *arg;
    410 {
    411 }
    412 
    413 static int
    414 ite8181_hardpower(ctx, type, id, msg)
    415 	void *ctx;
    416 	int type;
    417 	long id;
    418 	void *msg;
    419 {
    420 	struct ite8181_softc *sc = ctx;
    421 	int why = (int)msg;
    422 
    423 	switch (why) {
    424 	case PWR_STANDBY:
    425 		sc->sc_powerstate = ITE8181_POWERSTATE_D3;
    426 		/* ite8181_lcd_power(sc, 0); */
    427 		delay(MSEC);
    428 		break;
    429 	case PWR_SUSPEND:
    430 		sc->sc_powerstate = ITE8181_POWERSTATE_D2;
    431 		ite8181_lcd_power(sc, 0);
    432 		delay(MSEC);
    433 		break;
    434 	case PWR_RESUME:
    435 		delay(MSEC);
    436 		sc->sc_powerstate = ITE8181_POWERSTATE_D0;
    437 		ite8181_lcd_power(sc, 1);
    438 		/*
    439 		 * XXX:
    440 		 * IBM WorkPad z50 power unit has too weak power.
    441 		 * So we must wait too many times to access other devices
    442 		 * after LCD panel and BackLight on.
    443 		 */
    444 		delay(ite8181_lcd_on_delay*MSEC);
    445 		break;
    446 	}
    447 
    448 	/*
    449 	 * you should wait until the
    450 	 * power state transit sequence will end.
    451 	 */
    452 
    453 	return (0);
    454 }
    455 
    456 
    457 static int
    458 ite8181_fbinit(fb)
    459 	struct hpcfb_fbconf *fb;
    460 {
    461 
    462 	/*
    463 	 * get fb settings from bootinfo
    464 	 */
    465 	if (bootinfo == NULL ||
    466 	    bootinfo->fb_addr == 0 ||
    467 	    bootinfo->fb_line_bytes == 0 ||
    468 	    bootinfo->fb_width == 0 ||
    469 	    bootinfo->fb_height == 0) {
    470 		printf("no frame buffer infomation.\n");
    471 		return (-1);
    472 	}
    473 
    474 	/* zero fill */
    475 	bzero(fb, sizeof(*fb));
    476 
    477 	fb->hf_conf_index	= 0;	/* configuration index		*/
    478 	fb->hf_nconfs		= 1;   	/* how many configurations	*/
    479 	strcpy(fb->hf_name, "built-in video");
    480 					/* frame buffer name		*/
    481 	strcpy(fb->hf_conf_name, "default");
    482 					/* configuration name		*/
    483 	fb->hf_height		= bootinfo->fb_height;
    484 	fb->hf_width		= bootinfo->fb_width;
    485 	fb->hf_baseaddr		= (u_long)bootinfo->fb_addr;
    486 	fb->hf_offset		= (u_long)bootinfo->fb_addr -
    487 				     mips_ptob(mips_btop(bootinfo->fb_addr));
    488 					/* frame buffer start offset   	*/
    489 	fb->hf_bytes_per_line	= bootinfo->fb_line_bytes;
    490 	fb->hf_nplanes		= 1;
    491 	fb->hf_bytes_per_plane	= bootinfo->fb_height *
    492 					bootinfo->fb_line_bytes;
    493 
    494 	fb->hf_access_flags |= HPCFB_ACCESS_BYTE;
    495 	fb->hf_access_flags |= HPCFB_ACCESS_WORD;
    496 	fb->hf_access_flags |= HPCFB_ACCESS_DWORD;
    497 
    498 	switch (bootinfo->fb_type) {
    499 		/*
    500 		 * gray scale
    501 		 */
    502 	case BIFB_D2_M2L_3:
    503 	case BIFB_D2_M2L_3x2:
    504 		fb->hf_access_flags |= HPCFB_ACCESS_REVERSE;
    505 		/* fall through */
    506 	case BIFB_D2_M2L_0:
    507 	case BIFB_D2_M2L_0x2:
    508 		fb->hf_class = HPCFB_CLASS_GRAYSCALE;
    509 		fb->hf_access_flags |= HPCFB_ACCESS_STATIC;
    510 		fb->hf_pack_width = 8;
    511 		fb->hf_pixels_per_pack = 4;
    512 		fb->hf_pixel_width = 2;
    513 		fb->hf_class_data_length = sizeof(struct hf_gray_tag);
    514 		fb->hf_u.hf_gray.hf_flags = 0;	/* reserved for future use */
    515 		break;
    516 
    517 	case BIFB_D4_M2L_F:
    518 	case BIFB_D4_M2L_Fx2:
    519 		fb->hf_access_flags |= HPCFB_ACCESS_REVERSE;
    520 		/* fall through */
    521 	case BIFB_D4_M2L_0:
    522 	case BIFB_D4_M2L_0x2:
    523 		fb->hf_class = HPCFB_CLASS_GRAYSCALE;
    524 		fb->hf_access_flags |= HPCFB_ACCESS_STATIC;
    525 		fb->hf_pack_width = 8;
    526 		fb->hf_pixels_per_pack = 2;
    527 		fb->hf_pixel_width = 4;
    528 		fb->hf_class_data_length = sizeof(struct hf_gray_tag);
    529 		fb->hf_u.hf_gray.hf_flags = 0;	/* reserved for future use */
    530 		break;
    531 
    532 		/*
    533 		 * indexed color
    534 		 */
    535 	case BIFB_D8_FF:
    536 		fb->hf_access_flags |= HPCFB_ACCESS_REVERSE;
    537 		/* fall through */
    538 	case BIFB_D8_00:
    539 		fb->hf_class = HPCFB_CLASS_INDEXCOLOR;
    540 		fb->hf_access_flags |= HPCFB_ACCESS_STATIC;
    541 		fb->hf_pack_width = 8;
    542 		fb->hf_pixels_per_pack = 1;
    543 		fb->hf_pixel_width = 8;
    544 		fb->hf_class_data_length = sizeof(struct hf_indexed_tag);
    545 		fb->hf_u.hf_indexed.hf_flags = 0; /* reserved for future use */
    546 		break;
    547 
    548 		/*
    549 		 * RGB color
    550 		 */
    551 	case BIFB_D16_FFFF:
    552 		fb->hf_access_flags |= HPCFB_ACCESS_REVERSE;
    553 		/* fall through */
    554 	case BIFB_D16_0000:
    555 		fb->hf_class = HPCFB_CLASS_RGBCOLOR;
    556 		fb->hf_access_flags |= HPCFB_ACCESS_STATIC;
    557 #if BYTE_ORDER == LITTLE_ENDIAN
    558 		fb->hf_swap_flags = HPCFB_SWAP_BYTE;
    559 #endif
    560 		fb->hf_pack_width = 16;
    561 		fb->hf_pixels_per_pack = 1;
    562 		fb->hf_pixel_width = 16;
    563 
    564 		fb->hf_class_data_length = sizeof(struct hf_rgb_tag);
    565 		fb->hf_u.hf_rgb.hf_flags = 0;	/* reserved for future use */
    566 
    567 		fb->hf_u.hf_rgb.hf_red_width = 5;
    568 		fb->hf_u.hf_rgb.hf_red_shift = 11;
    569 		fb->hf_u.hf_rgb.hf_green_width = 6;
    570 		fb->hf_u.hf_rgb.hf_green_shift = 5;
    571 		fb->hf_u.hf_rgb.hf_blue_width = 5;
    572 		fb->hf_u.hf_rgb.hf_blue_shift = 0;
    573 		fb->hf_u.hf_rgb.hf_alpha_width = 0;
    574 		fb->hf_u.hf_rgb.hf_alpha_shift = 0;
    575 		break;
    576 
    577 	default:
    578 		printf("unknown type (=%d).\n", bootinfo->fb_type);
    579 		return (-1);
    580 		break;
    581 	}
    582 
    583 	return (0); /* no error */
    584 }
    585 
    586 int
    587 ite8181_ioctl(v, cmd, data, flag, p)
    588 	void *v;
    589 	u_long cmd;
    590 	caddr_t data;
    591 	int flag;
    592 	struct proc *p;
    593 {
    594 	struct ite8181_softc *sc = (struct ite8181_softc *)v;
    595 	struct hpcfb_fbconf *fbconf;
    596 	struct hpcfb_dspconf *dspconf;
    597 	struct wsdisplay_cmap *cmap;
    598 
    599 	switch (cmd) {
    600 	case WSDISPLAYIO_GETCMAP:
    601 		cmap = (struct wsdisplay_cmap*)data;
    602 
    603 		if (sc->sc_fbconf.hf_class != HPCFB_CLASS_INDEXCOLOR ||
    604 		    sc->sc_fbconf.hf_pack_width != 8 ||
    605 		    256 <= cmap->index ||
    606 		    256 < (cmap->index + cmap->count))
    607 			return (EINVAL);
    608 
    609 		if (!uvm_useracc(cmap->red, cmap->count, B_WRITE) ||
    610 		    !uvm_useracc(cmap->green, cmap->count, B_WRITE) ||
    611 		    !uvm_useracc(cmap->blue, cmap->count, B_WRITE))
    612 			return (EFAULT);
    613 
    614 #ifdef ITE8181_WINCE_CMAP
    615 		copyout(&bivideo_cmap_r[cmap->index], cmap->red, cmap->count);
    616 		copyout(&bivideo_cmap_g[cmap->index], cmap->green,cmap->count);
    617 		copyout(&bivideo_cmap_b[cmap->index], cmap->blue, cmap->count);
    618 		return (0);
    619 #else /* ITE8181_WINCE_CMAP */
    620 		return EINVAL;
    621 #endif /* ITE8181_WINCE_CMAP */
    622 
    623 	case WSDISPLAYIO_PUTCMAP:
    624 		/*
    625 		 * This driver can't set color map.
    626 		 */
    627 		return (EINVAL);
    628 
    629 	case HPCFBIO_GCONF:
    630 		fbconf = (struct hpcfb_fbconf *)data;
    631 		if (fbconf->hf_conf_index != 0 &&
    632 		    fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) {
    633 			return (EINVAL);
    634 		}
    635 		*fbconf = sc->sc_fbconf;	/* structure assignment */
    636 		return (0);
    637 	case HPCFBIO_SCONF:
    638 		fbconf = (struct hpcfb_fbconf *)data;
    639 		if (fbconf->hf_conf_index != 0 &&
    640 		    fbconf->hf_conf_index != HPCFB_CURRENT_CONFIG) {
    641 			return (EINVAL);
    642 		}
    643 		/*
    644 		 * nothing to do because we have only one configration
    645 		 */
    646 		return (0);
    647 	case HPCFBIO_GDSPCONF:
    648 		dspconf = (struct hpcfb_dspconf *)data;
    649 		if ((dspconf->hd_unit_index != 0 &&
    650 		     dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) ||
    651 		    (dspconf->hd_conf_index != 0 &&
    652 		     dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) {
    653 			return (EINVAL);
    654 		}
    655 		*dspconf = sc->sc_dspconf;	/* structure assignment */
    656 		return (0);
    657 	case HPCFBIO_SDSPCONF:
    658 		dspconf = (struct hpcfb_dspconf *)data;
    659 		if ((dspconf->hd_unit_index != 0 &&
    660 		     dspconf->hd_unit_index != HPCFB_CURRENT_UNIT) ||
    661 		    (dspconf->hd_conf_index != 0 &&
    662 		     dspconf->hd_conf_index != HPCFB_CURRENT_CONFIG)) {
    663 			return (EINVAL);
    664 		}
    665 		/*
    666 		 * nothing to do
    667 		 * because we have only one unit and one configration
    668 		 */
    669 		return (0);
    670 	case HPCFBIO_GOP:
    671 	case HPCFBIO_SOP:
    672 		/*
    673 		 * curently not implemented...
    674 		 */
    675 		return (EINVAL);
    676 	}
    677 
    678 	return (ENOTTY);
    679 }
    680 
    681 paddr_t
    682 ite8181_mmap(ctx, offset, prot)
    683 	void *ctx;
    684 	off_t offset;
    685 	int prot;
    686 {
    687 	struct ite8181_softc *sc = (struct ite8181_softc *)ctx;
    688 
    689 	if (offset < 0 ||
    690 	    (sc->sc_fbconf.hf_bytes_per_plane +
    691 		sc->sc_fbconf.hf_offset) <  offset)
    692 		return -1;
    693 
    694 	return mips_btop((u_long)bootinfo->fb_addr + offset);
    695 }
    696