Annotation of sys/arch/hp300/stand/common/ite_sti.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: ite_sti.c,v 1.1 2006/08/17 06:31:10 miod Exp $ */
! 2: /*
! 3: * Copyright (c) 2006, Miodrag Vallat
! 4: * Copyright (c) 2000-2003 Michael Shalayeff
! 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 ``AS IS'' AND ANY EXPRESS OR
! 17: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 18: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 19: * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
! 20: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
! 21: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
! 22: * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 23: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
! 24: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
! 25: * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
! 26: * THE POSSIBILITY OF SUCH DAMAGE.
! 27: */
! 28:
! 29: #ifdef ITECONSOLE
! 30: #include <sys/param.h>
! 31:
! 32: #include <lib/libsa/stand.h>
! 33:
! 34: #include "samachdep.h"
! 35: #include "consdefs.h"
! 36: #include "itevar.h"
! 37:
! 38: #include <hp300/dev/sgcreg.h>
! 39: #include <dev/ic/stireg.h>
! 40:
! 41: /*
! 42: * sti-specific data not available in the ite_data structure.
! 43: * Since we will only configure one sti display, it is ok to use a global.
! 44: */
! 45: static struct {
! 46: u_int32_t codeptr[STI_CODECNT];
! 47: u_int8_t *code;
! 48: u_int32_t fontbase;
! 49: u_int firstchar, lastchar;
! 50: struct sti_cfg cfg;
! 51: struct sti_ecfg ecfg;
! 52: } sti;
! 53:
! 54: #define parseshort1(addr, ofs) \
! 55: (((addr)[(ofs) + 3] << 8) | ((addr)[(ofs) + 7]))
! 56: #define parseword1(addr, ofs) \
! 57: (((addr)[(ofs) + 3] << 24) | ((addr)[(ofs) + 7] << 16) | \
! 58: ((addr)[(ofs) + 11] << 8) | ((addr)[(ofs) + 15]))
! 59:
! 60: void sti_do_cursor(struct ite_data *);
! 61: void sti_fontinfo(struct ite_data *);
! 62: void sti_init(int);
! 63: void sti_inqcfg(struct sti_inqconfout *);
! 64:
! 65: /*
! 66: * Initialize the sti device for ite's needs.
! 67: * We don't bother to check for failures since
! 68: * - we are in tight space already
! 69: * - since romputchar() does not work with sti devices, there is no way we
! 70: * can report errors (although we could switch to serial...)
! 71: */
! 72: void
! 73: sti_iteinit(struct ite_data *ip)
! 74: {
! 75: int slotno, i;
! 76: size_t codesize, memsize;
! 77: u_int8_t *va, *code;
! 78: u_int addr, eaddr, reglist, tmp;
! 79: struct sti_inqconfout cfg;
! 80: struct sti_einqconfout ecfg;
! 81:
! 82: bzero(&sti, sizeof sti);
! 83: slotno = (int)ip->fbbase;
! 84: ip->fbbase = va = (u_int8_t *)IIOV(SGC_BASE + (slotno * SGC_DEVSIZE));
! 85:
! 86: /*
! 87: * Read the microcode.
! 88: */
! 89:
! 90: for (i = 0; i < STI_CODECNT; i++)
! 91: sti.codeptr[i] =
! 92: parseword1(va, (STI_CODEBASE_M68K << 2) + i * 0x10);
! 93:
! 94: for (i = STI_END; sti.codeptr[i] == 0; i--);
! 95: codesize = sti.codeptr[i] - sti.codeptr[STI_BEGIN];
! 96: codesize = (codesize + 3) / 4;
! 97:
! 98: sti.code = (u_int8_t *)alloc(codesize);
! 99: code = sti.code;
! 100: addr = (u_int)va + sti.codeptr[STI_BEGIN];
! 101: eaddr = addr + codesize * 4;
! 102: for (; addr < eaddr; addr += 4)
! 103: *code++ = *(u_int8_t *)addr;
! 104:
! 105: for (i = STI_CODECNT - 1; i != 0; i--)
! 106: if (sti.codeptr[i] != 0) {
! 107: sti.codeptr[i] -= sti.codeptr[0];
! 108: sti.codeptr[i] /= 4;
! 109: }
! 110:
! 111: sti.codeptr[0] = 0;
! 112: for (i = STI_END; sti.codeptr[i] == 0; i--);
! 113: sti.codeptr[i] = 0;
! 114:
! 115: /*
! 116: * Read the regions list.
! 117: */
! 118:
! 119: reglist = parseword1(va, 0x60);
! 120: for (i = 0; i < STI_REGION_MAX; i++) {
! 121: tmp = parseword1(va, (reglist & ~3) + i * 0x10);
! 122: sti.cfg.regions[i] = (u_int)va + ((tmp >> 18) << 12);
! 123: if (tmp & 0x4000)
! 124: break;
! 125: }
! 126:
! 127: /*
! 128: * Allocate scratch memory for the microcode if it needs it.
! 129: */
! 130:
! 131: sti.cfg.ext_cfg = &sti.ecfg;
! 132: memsize = parseword1(va, 0xa0);
! 133: if (memsize != 0)
! 134: sti.ecfg.addr = alloc(memsize);
! 135:
! 136: /*
! 137: * Initialize the display, and get geometry information.
! 138: */
! 139:
! 140: sti_init(0);
! 141:
! 142: bzero(&cfg, sizeof cfg);
! 143: bzero(&ecfg, sizeof ecfg);
! 144: cfg.ext = &ecfg;
! 145: sti_inqcfg(&cfg);
! 146:
! 147: if (cfg.owidth == cfg.width && cfg.oheight == cfg.height) {
! 148: sti.cfg.oscr_width = cfg.owidth = cfg.fbwidth - cfg.width;
! 149: sti.cfg.oscr_height = cfg.oheight = cfg.fbheight - cfg.height;
! 150: }
! 151:
! 152: ip->dheight = cfg.height;
! 153: ip->dwidth = cfg.width;
! 154: ip->fbheight = cfg.fbheight;
! 155: ip->fbwidth = cfg.fbwidth;
! 156:
! 157: /*
! 158: * Get ready for ite operation!
! 159: */
! 160:
! 161: sti_init(1);
! 162: sti_fontinfo(ip);
! 163: sti_clear(ip, 0, 0, ip->rows, ip->cols); /* necessary? */
! 164: }
! 165:
! 166: void
! 167: sti_putc(struct ite_data *ip, int c, int dy, int dx)
! 168: {
! 169: sti_unpmv_t unpmv;
! 170: struct {
! 171: struct sti_unpmvflags flags;
! 172: struct sti_unpmvin in;
! 173: struct sti_unpmvout out;
! 174: } a;
! 175:
! 176: bzero(&a, sizeof a);
! 177: a.flags.flags = STI_UNPMVF_WAIT;
! 178: a.in.bg_colour = STI_COLOUR_BLACK;
! 179: a.in.fg_colour = STI_COLOUR_WHITE;
! 180: a.in.x = dx * ip->ftwidth;
! 181: a.in.y = dy * ip->ftheight;
! 182: a.in.font_addr = (u_int32_t *)(ip->fbbase + sti.fontbase);
! 183: a.in.index = c;
! 184:
! 185: unpmv = (sti_unpmv_t)(sti.code + sti.codeptr[STI_FONT_UNPMV]);
! 186: (*unpmv)(&a.flags, &a.in, &a.out, &sti.cfg);
! 187: }
! 188:
! 189: void
! 190: sti_cursor(struct ite_data *ip, int flag)
! 191: {
! 192: switch (flag) {
! 193: case MOVE_CURSOR:
! 194: sti_do_cursor(ip);
! 195: /* FALLTHROUGH */
! 196: case DRAW_CURSOR:
! 197: ip->cursorx = ip->curx;
! 198: ip->cursory = ip->cury;
! 199: /* FALLTHROUGH */
! 200: default:
! 201: sti_do_cursor(ip);
! 202: break;
! 203: }
! 204: }
! 205:
! 206: void
! 207: sti_do_cursor(struct ite_data *ip)
! 208: {
! 209: sti_blkmv_t blkmv;
! 210: struct {
! 211: struct sti_blkmvflags flags;
! 212: struct sti_blkmvin in;
! 213: struct sti_blkmvout out;
! 214: } a;
! 215:
! 216: bzero(&a, sizeof a);
! 217: a.flags.flags = STI_BLKMVF_WAIT | STI_BLKMVF_COLR;
! 218: a.in.fg_colour = STI_COLOUR_BLACK;
! 219: a.in.bg_colour = STI_COLOUR_WHITE;
! 220: a.in.dstx = a.in.srcx = ip->cursorx * ip->ftwidth;
! 221: a.in.dsty = a.in.srcy = ip->cursory * ip->ftheight;
! 222: a.in.width = ip->ftwidth;
! 223: a.in.height = ip->ftheight;
! 224:
! 225: blkmv = (sti_blkmv_t)(sti.code + sti.codeptr[STI_BLOCK_MOVE]);
! 226: (*blkmv)(&a.flags, &a.in, &a.out, &sti.cfg);
! 227: }
! 228:
! 229: void
! 230: sti_clear(struct ite_data *ip, int sy, int sx, int h, int w)
! 231: {
! 232: sti_blkmv_t blkmv;
! 233: struct {
! 234: struct sti_blkmvflags flags;
! 235: struct sti_blkmvin in;
! 236: struct sti_blkmvout out;
! 237: } a;
! 238:
! 239: bzero(&a, sizeof a);
! 240: a.flags.flags = STI_BLKMVF_WAIT | STI_BLKMVF_CLR;
! 241: a.in.bg_colour = STI_COLOUR_BLACK;
! 242: a.in.dstx = a.in.srcx = sx * ip->ftwidth;
! 243: a.in.dsty = a.in.srcy = sy * ip->ftheight;
! 244: a.in.width = w * ip->ftwidth;
! 245: a.in.height = h * ip->ftheight;
! 246:
! 247: blkmv = (sti_blkmv_t)(sti.code + sti.codeptr[STI_BLOCK_MOVE]);
! 248: (*blkmv)(&a.flags, &a.in, &a.out, &sti.cfg);
! 249: }
! 250:
! 251: void
! 252: sti_scroll(struct ite_data *ip)
! 253: {
! 254: sti_blkmv_t blkmv;
! 255: struct {
! 256: struct sti_blkmvflags flags;
! 257: struct sti_blkmvin in;
! 258: struct sti_blkmvout out;
! 259: } a;
! 260:
! 261: bzero(&a, sizeof a);
! 262: a.flags.flags = STI_BLKMVF_WAIT;
! 263: a.in.bg_colour = STI_COLOUR_BLACK;
! 264: a.in.fg_colour = STI_COLOUR_WHITE;
! 265: a.in.dstx = a.in.srcx = 0;
! 266: a.in.dsty = 0;
! 267: a.in.srcy = ip->ftheight;
! 268: a.in.width = ip->dwidth;
! 269: a.in.height = (ip->rows - 1) * ip->ftheight;
! 270:
! 271: blkmv = (sti_blkmv_t)(sti.code + sti.codeptr[STI_BLOCK_MOVE]);
! 272: (*blkmv)(&a.flags, &a.in, &a.out, &sti.cfg);
! 273: }
! 274:
! 275: void
! 276: sti_fontinfo(struct ite_data *ip)
! 277: {
! 278: u_int32_t fontbase;
! 279:
! 280: fontbase = sti.fontbase = parseword1((u_int8_t *)ip->fbbase, 0x30) & ~3;
! 281: ip->ftwidth = (u_int8_t)ip->fbbase[fontbase + 0x13];
! 282: ip->ftheight = (u_int8_t)ip->fbbase[fontbase + 0x17];
! 283: ip->rows = ip->dheight / ip->ftheight;
! 284: ip->cols = ip->dwidth / ip->ftwidth;
! 285: }
! 286:
! 287: void
! 288: sti_init(int full)
! 289: {
! 290: sti_init_t init;
! 291: struct {
! 292: struct sti_initflags flags;
! 293: struct sti_initin in;
! 294: struct sti_initout out;
! 295: } a;
! 296:
! 297: bzero(&a, sizeof a);
! 298: a.flags.flags = STI_INITF_WAIT | STI_INITF_CMB | STI_INITF_EBET;
! 299: if (full)
! 300: a.flags.flags |= STI_INITF_TEXT | STI_INITF_PBET |
! 301: STI_INITF_PBETI | STI_INITF_ICMT;
! 302: a.in.text_planes = 1;
! 303:
! 304: init = (sti_init_t)(sti.code + sti.codeptr[STI_INIT_GRAPH]);
! 305: (*init)(&a.flags, &a.in, &a.out, &sti.cfg);
! 306: }
! 307:
! 308: void
! 309: sti_inqcfg(struct sti_inqconfout *ico)
! 310: {
! 311: sti_inqconf_t inqconf;
! 312: struct {
! 313: struct sti_inqconfflags flags;
! 314: struct sti_inqconfin in;
! 315: } a;
! 316:
! 317: bzero(&a, sizeof a);
! 318: a.flags.flags = STI_INQCONFF_WAIT;
! 319:
! 320: inqconf = (sti_inqconf_t)(sti.code + sti.codeptr[STI_INQ_CONF]);
! 321: (*inqconf)(&a.flags, &a.in, ico, &sti.cfg);
! 322: }
! 323:
! 324: #endif
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