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ite_sti.c revision 1.1.2.2 
      1 /*	$NetBSD: ite_sti.c,v 1.1.2.2 2014/05/18 17:45:08 rmind Exp $	*/
      2 /*	$OpenBSD: ite_sti.c,v 1.2 2011/08/18 20:02:58 miod Exp $	*/
      3 /*
      4  * Copyright (c) 2006, 2011, Miodrag Vallat
      5  * Copyright (c) 2000-2003 Michael Shalayeff
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
     21  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     23  * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     25  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
     26  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     27  * THE POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 
     30 #ifdef ITECONSOLE
     31 #include <sys/param.h>
     32 
     33 #include <lib/libsa/stand.h>
     34 
     35 #include <hp300/stand/common/samachdep.h>
     36 #include <hp300/stand/common/itevar.h>
     37 
     38 #if 0
     39 #include <hp300/dev/dioreg.h>
     40 #endif
     41 #include <hp300/dev/sgcreg.h>
     42 #include <dev/ic/stireg.h>
     43 
     44 /*
     45  * sti-specific data not available in the ite_data structure.
     46  * Since we will only configure one sti display, it is ok to use a global.
     47  */
     48 static struct {
     49 	uint32_t	codeptr[STI_CODECNT];
     50 	uint8_t		*code;
     51 	uint32_t	fontbase;
     52 	u_int		firstchar, lastchar;
     53 	struct sti_cfg	cfg;
     54 	struct sti_ecfg	ecfg;
     55 } sti;
     56 
     57 #define parseshort1(addr, ofs) \
     58 	(((addr)[(ofs) +  3] << 8) | ((addr)[(ofs) +  7]))
     59 #define parseword1(addr, ofs) \
     60 	(((addr)[(ofs) +  3] << 24) | ((addr)[(ofs) +  7] << 16) | \
     61 	 ((addr)[(ofs) + 11] <<  8) | ((addr)[(ofs) + 15]))
     62 
     63 void	sti_do_cursor(struct ite_data *);
     64 void	sti_fontinfo(struct ite_data *);
     65 void	sti_init(int);
     66 void	sti_inqcfg(struct sti_inqconfout *);
     67 void	sti_iteinit_common(struct ite_data *);
     68 
     69 #if 0 /* not yet */
     70 /* kinda similar to sti_dio_probe() */
     71 int
     72 sti_dio_probe(struct ite_data *ip)
     73 {
     74 	int scode = ip->scode;
     75 	uint8_t *id_reg;
     76 
     77 	id_reg = (uint8_t *)sctoaddr(scode);
     78 	if (id_reg[DIOII_SIZEOFF] < STI_DIO_SIZE - 1)
     79 		return ENODEV;
     80 
     81 	id_reg = (uint8_t *)sctoaddr(scode + STI_DIO_SCODE_OFFSET);
     82 	if (id_reg[3] != STI_DEVTYPE1)
     83 		return ENODEV;
     84 
     85 	return 0;
     86 }
     87 
     88 void
     89 sti_iteinit_dio(struct ite_data *ip)
     90 {
     91 
     92 	ip->fbbase = (caddr_t)sctoaddr(ip->scode + STI_DIO_SCODE_OFFSET);
     93 	sti_iteinit_common(ip);
     94 }
     95 #endif
     96 
     97 void
     98 sti_iteinit_sgc(struct ite_data *ip)
     99 {
    100 
    101 	ip->fbbase = (uint8_t *)IIOV(SGC_BASE + (ip->scode * SGC_DEVSIZE));
    102 	sti_iteinit_common(ip);
    103 }
    104 
    105 /*
    106  * Initialize the sti device for ite's needs.
    107  * We don't bother to check for failures since
    108  * - we are in tight space already
    109  * - since romputchar() does not work with sti devices, there is no way we
    110  *   can report errors (although we could switch to serial...)
    111  */
    112 void
    113 sti_iteinit_common(struct ite_data *ip)
    114 {
    115 	int i;
    116 	size_t codesize, memsize;
    117 	uint8_t *va, *code;
    118 	u_int addr, eaddr, reglist, tmp;
    119 	struct sti_inqconfout cfg;
    120 	struct sti_einqconfout ecfg;
    121 
    122 	memset(&sti, 0, sizeof sti);
    123 	va = (uint8_t *)ip->fbbase;
    124 
    125 	/*
    126 	 * Read the microcode.
    127 	 */
    128 
    129 	for (i = 0; i < STI_CODECNT; i++)
    130 		sti.codeptr[i] =
    131 		    parseword1(va, (STI_CODEBASE_M68K << 2) + i * 0x10);
    132 
    133 	for (i = STI_END; sti.codeptr[i] == 0; i--)
    134 		continue;
    135 	codesize = sti.codeptr[i] - sti.codeptr[STI_BEGIN];
    136 	codesize = (codesize + 3) / 4;
    137 
    138 	sti.code = (uint8_t *)alloc(codesize);
    139 	code = sti.code;
    140 	addr = (u_int)va + sti.codeptr[STI_BEGIN];
    141 	eaddr = addr + codesize * 4;
    142 	for (; addr < eaddr; addr += 4)
    143 		*code++ = *(uint8_t *)addr;
    144 
    145 	for (i = STI_CODECNT - 1; i != 0; i--)
    146 		if (sti.codeptr[i] != 0) {
    147 			sti.codeptr[i] -= sti.codeptr[0];
    148 			sti.codeptr[i] /= 4;
    149 		}
    150 
    151 	sti.codeptr[0] = 0;
    152 	for (i = STI_END; sti.codeptr[i] == 0; i--);
    153 	sti.codeptr[i] = 0;
    154 
    155 	/*
    156 	 * Read the regions list.
    157 	 */
    158 
    159 	reglist = parseword1(va, 0x60);
    160 	for (i = 0; i < STI_REGION_MAX; i++) {
    161 		tmp = parseword1(va, (reglist & ~3) + i * 0x10);
    162 		sti.cfg.regions[i] = (u_int)va + ((tmp >> 18) << 12);
    163 		if (tmp & 0x4000)
    164 			break;
    165 	}
    166 
    167 	/*
    168 	 * Allocate scratch memory for the microcode if it needs it.
    169 	 */
    170 
    171 	sti.cfg.ext_cfg = &sti.ecfg;
    172 	memsize = parseword1(va, 0xa0);
    173 	if (memsize != 0)
    174 		sti.ecfg.addr = alloc(memsize);
    175 
    176 	/*
    177 	 * Initialize the display, and get geometry information.
    178 	 */
    179 
    180 	sti_init(0);
    181 
    182 	memset(&cfg, 0, sizeof cfg);
    183 	memset(&ecfg, 0, sizeof ecfg);
    184 	cfg.ext = &ecfg;
    185 	sti_inqcfg(&cfg);
    186 
    187 	if (cfg.owidth == cfg.width && cfg.oheight == cfg.height) {
    188 		sti.cfg.oscr_width = cfg.owidth = cfg.fbwidth - cfg.width;
    189 		sti.cfg.oscr_height = cfg.oheight = cfg.fbheight - cfg.height;
    190 	}
    191 
    192 	ip->dheight = cfg.height;
    193 	ip->dwidth = cfg.width;
    194 	ip->fbheight = cfg.fbheight;
    195 	ip->fbwidth = cfg.fbwidth;
    196 
    197 	/*
    198 	 * Get ready for ite operation!
    199 	 */
    200 
    201 	sti_init(1);
    202 	sti_fontinfo(ip);
    203 	sti_clear(ip, 0, 0, ip->rows, ip->cols);	/* necessary? */
    204 }
    205 
    206 void
    207 sti_putc(struct ite_data *ip, int c, int dy, int dx)
    208 {
    209 	sti_unpmv_t unpmv;
    210 	struct {
    211 		struct sti_unpmvflags flags;
    212 		struct sti_unpmvin in;
    213 		struct sti_unpmvout out;
    214 	} a;
    215 
    216 	memset(&a, 0, sizeof a);
    217 	a.flags.flags = STI_UNPMVF_WAIT;
    218 	a.in.bg_colour = STI_COLOUR_BLACK;
    219 	a.in.fg_colour = STI_COLOUR_WHITE;
    220 	a.in.x = dx * ip->ftwidth;
    221 	a.in.y = dy * ip->ftheight;
    222 	a.in.font_addr = (uint32_t *)((uint8_t *)ip->fbbase + sti.fontbase);
    223 	a.in.index = c;
    224 
    225 	unpmv = (sti_unpmv_t)(sti.code + sti.codeptr[STI_FONT_UNPMV]);
    226 	(*unpmv)(&a.flags, &a.in, &a.out, &sti.cfg);
    227 }
    228 
    229 void
    230 sti_cursor(struct ite_data *ip, int flag)
    231 {
    232 	switch (flag) {
    233 	case MOVE_CURSOR:
    234 		sti_do_cursor(ip);
    235 		/* FALLTHROUGH */
    236 	case DRAW_CURSOR:
    237 		ip->cursorx = ip->curx;
    238 		ip->cursory = ip->cury;
    239 		/* FALLTHROUGH */
    240 	default:
    241 		sti_do_cursor(ip);
    242 		break;
    243 	}
    244 }
    245 
    246 void
    247 sti_do_cursor(struct ite_data *ip)
    248 {
    249 	sti_blkmv_t blkmv;
    250 	struct {
    251 		struct sti_blkmvflags flags;
    252 		struct sti_blkmvin in;
    253 		struct sti_blkmvout out;
    254 	} a;
    255 
    256 	memset(&a, 0, sizeof a);
    257 	a.flags.flags = STI_BLKMVF_WAIT | STI_BLKMVF_COLR;
    258 	a.in.fg_colour = STI_COLOUR_BLACK;
    259 	a.in.bg_colour = STI_COLOUR_WHITE;
    260 	a.in.dstx = a.in.srcx = ip->cursorx * ip->ftwidth;
    261 	a.in.dsty = a.in.srcy = ip->cursory * ip->ftheight;
    262 	a.in.width = ip->ftwidth;
    263 	a.in.height = ip->ftheight;
    264 
    265 	blkmv = (sti_blkmv_t)(sti.code + sti.codeptr[STI_BLOCK_MOVE]);
    266 	(*blkmv)(&a.flags, &a.in, &a.out, &sti.cfg);
    267 }
    268 
    269 void
    270 sti_clear(struct ite_data *ip, int sy, int sx, int h, int w)
    271 {
    272 	sti_blkmv_t blkmv;
    273 	struct {
    274 		struct sti_blkmvflags flags;
    275 		struct sti_blkmvin in;
    276 		struct sti_blkmvout out;
    277 	} a;
    278 
    279 	memset(&a, 0, sizeof a);
    280 	a.flags.flags = STI_BLKMVF_WAIT | STI_BLKMVF_CLR;
    281 	a.in.bg_colour = STI_COLOUR_BLACK;
    282 	a.in.dstx = a.in.srcx = sx * ip->ftwidth;
    283 	a.in.dsty = a.in.srcy = sy * ip->ftheight;
    284 	a.in.width = w * ip->ftwidth;
    285 	a.in.height = h * ip->ftheight;
    286 
    287 	blkmv = (sti_blkmv_t)(sti.code + sti.codeptr[STI_BLOCK_MOVE]);
    288 	(*blkmv)(&a.flags, &a.in, &a.out, &sti.cfg);
    289 }
    290 
    291 void
    292 sti_scroll(struct ite_data *ip)
    293 {
    294 	sti_blkmv_t blkmv;
    295 	struct {
    296 		struct sti_blkmvflags flags;
    297 		struct sti_blkmvin in;
    298 		struct sti_blkmvout out;
    299 	} a;
    300 
    301 	memset(&a, 0, sizeof a);
    302 	a.flags.flags = STI_BLKMVF_WAIT;
    303 	a.in.bg_colour = STI_COLOUR_BLACK;
    304 	a.in.fg_colour = STI_COLOUR_WHITE;
    305 	a.in.dstx = a.in.srcx = 0;
    306 	a.in.dsty = 0;
    307 	a.in.srcy = ip->ftheight;
    308 	a.in.width = ip->dwidth;
    309 	a.in.height = (ip->rows - 1) * ip->ftheight;
    310 
    311 	blkmv = (sti_blkmv_t)(sti.code + sti.codeptr[STI_BLOCK_MOVE]);
    312 	(*blkmv)(&a.flags, &a.in, &a.out, &sti.cfg);
    313 }
    314 
    315 void
    316 sti_fontinfo(struct ite_data *ip)
    317 {
    318 	uint32_t fontbase;
    319 	volatile uint8_t *fbbase = ip->fbbase;
    320 
    321 	fontbase = sti.fontbase = parseword1(fbbase, 0x30) & ~3;
    322 	ip->ftwidth = (uint8_t)fbbase[fontbase + 0x13];
    323 	ip->ftheight = (uint8_t)fbbase[fontbase + 0x17];
    324 	ip->rows = ip->dheight / ip->ftheight;
    325 	ip->cols = ip->dwidth / ip->ftwidth;
    326 }
    327 
    328 void
    329 sti_init(int full)
    330 {
    331 	sti_init_t init;
    332 	struct {
    333 		struct sti_initflags flags;
    334 		struct sti_initin in;
    335 		struct sti_initout out;
    336 	} a;
    337 
    338 	memset(&a, 0, sizeof a);
    339 	a.flags.flags = STI_INITF_WAIT | STI_INITF_CMB | STI_INITF_EBET;
    340 	if (full)
    341 		a.flags.flags |= STI_INITF_TEXT | STI_INITF_PBET |
    342 		    STI_INITF_PBETI | STI_INITF_ICMT;
    343 	a.in.text_planes = 1;
    344 
    345 	init = (sti_init_t)(sti.code + sti.codeptr[STI_INIT_GRAPH]);
    346 	(*init)(&a.flags, &a.in, &a.out, &sti.cfg);
    347 }
    348 
    349 void
    350 sti_inqcfg(struct sti_inqconfout *ico)
    351 {
    352 	sti_inqconf_t inqconf;
    353 	struct {
    354 		struct sti_inqconfflags flags;
    355 		struct sti_inqconfin in;
    356 	} a;
    357 
    358 	memset(&a, 0, sizeof a);
    359 	a.flags.flags = STI_INQCONFF_WAIT;
    360 
    361 	inqconf = (sti_inqconf_t)(sti.code + sti.codeptr[STI_INQ_CONF]);
    362 	(*inqconf)(&a.flags, &a.in, ico, &sti.cfg);
    363 }
    364 
    365 #endif
    366