drivers/video/matrox/matroxfb_g450.c

   1 /*
   2  *
   3  * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450.
   4  *
   5  * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
   6  *
   7  * Portions Copyright (c) 2001 Matrox Graphics Inc.
   8  *
   9  * Version: 1.65 2002/08/14
  10  *
  11  * See matroxfb_base.c for contributors.
  12  *
  13  */
  14
  15 #include "matroxfb_base.h"
  16 #include "matroxfb_misc.h"
  17 #include "matroxfb_DAC1064.h"
  18 #include "g450_pll.h"
  19 #include <linux/matroxfb.h>
  20 #include <asm/div64.h>
  21
  22 #include "matroxfb_g450.h"
  23
  24 /* Definition of the various controls */
  25 struct mctl {
  26         struct v4l2_queryctrl desc;
  27         size_t control;
  28 };
  29
  30 #define BLMIN   0xF3
  31 #define WLMAX   0x3FF
  32
  33 static const struct mctl g450_controls[] =
  34 {       { { V4L2_CID_BRIGHTNESS, V4L2_CTRL_TYPE_INTEGER,
  35           "brightness",
  36           0, WLMAX-BLMIN, 1, 370-BLMIN,
  37           0,
  38         }, offsetof(struct matrox_fb_info, altout.tvo_params.brightness) },
  39         { { V4L2_CID_CONTRAST, V4L2_CTRL_TYPE_INTEGER,
  40           "contrast",
  41           0, 1023, 1, 127,
  42           0,
  43         }, offsetof(struct matrox_fb_info, altout.tvo_params.contrast) },
  44         { { V4L2_CID_SATURATION, V4L2_CTRL_TYPE_INTEGER,
  45           "saturation",
  46           0, 255, 1, 165,
  47           0,
  48         }, offsetof(struct matrox_fb_info, altout.tvo_params.saturation) },
  49         { { V4L2_CID_HUE, V4L2_CTRL_TYPE_INTEGER,
  50           "hue",
  51           0, 255, 1, 0,
  52           0,
  53         }, offsetof(struct matrox_fb_info, altout.tvo_params.hue) },
  54         { { MATROXFB_CID_TESTOUT, V4L2_CTRL_TYPE_BOOLEAN,
  55           "test output",
  56           0, 1, 1, 0,
  57           0,
  58         }, offsetof(struct matrox_fb_info, altout.tvo_params.testout) },
  59 };
  60
  61 #define G450CTRLS ARRAY_SIZE(g450_controls)
  62
  63 /* Return: positive number: id found
  64            -EINVAL:         id not found, return failure
  65            -ENOENT:         id not found, create fake disabled control */
  66 static int get_ctrl_id(__u32 v4l2_id) {
  67         int i;
  68
  69         for (i = 0; i < G450CTRLS; i++) {
  70                 if (v4l2_id < g450_controls[i].desc.id) {
  71                         if (g450_controls[i].desc.id == 0x08000000) {
  72                                 return -EINVAL;
  73                         }
  74                         return -ENOENT;
  75                 }
  76                 if (v4l2_id == g450_controls[i].desc.id) {
  77                         return i;
  78                 }
  79         }
  80         return -EINVAL;
  81 }
  82
  83 static inline int *get_ctrl_ptr(struct matrox_fb_info *minfo, unsigned int idx)
  84 {
  85         return (int*)((char*)minfo + g450_controls[idx].control);
  86 }
  87
  88 static void tvo_fill_defaults(struct matrox_fb_info *minfo)
  89 {
  90         unsigned int i;
  91
  92         for (i = 0; i < G450CTRLS; i++) {
  93                 *get_ctrl_ptr(minfo, i) = g450_controls[i].desc.default_value;
  94         }
  95 }
  96
  97 static int cve2_get_reg(struct matrox_fb_info *minfo, int reg)
  98 {
  99         unsigned long flags;
 100         int val;
 101
 102         matroxfb_DAC_lock_irqsave(flags);
 103         matroxfb_DAC_out(minfo, 0x87, reg);
 104         val = matroxfb_DAC_in(minfo, 0x88);
 105         matroxfb_DAC_unlock_irqrestore(flags);
 106         return val;
 107 }
 108
 109 static void cve2_set_reg(struct matrox_fb_info *minfo, int reg, int val)
 110 {
 111         unsigned long flags;
 112
 113         matroxfb_DAC_lock_irqsave(flags);
 114         matroxfb_DAC_out(minfo, 0x87, reg);
 115         matroxfb_DAC_out(minfo, 0x88, val);
 116         matroxfb_DAC_unlock_irqrestore(flags);
 117 }
 118
 119 static void cve2_set_reg10(struct matrox_fb_info *minfo, int reg, int val)
 120 {
 121         unsigned long flags;
 122
 123         matroxfb_DAC_lock_irqsave(flags);
 124         matroxfb_DAC_out(minfo, 0x87, reg);
 125         matroxfb_DAC_out(minfo, 0x88, val >> 2);
 126         matroxfb_DAC_out(minfo, 0x87, reg + 1);
 127         matroxfb_DAC_out(minfo, 0x88, val & 3);
 128         matroxfb_DAC_unlock_irqrestore(flags);
 129 }
 130
 131 static void g450_compute_bwlevel(const struct matrox_fb_info *minfo, int *bl,
 132                                  int *wl)
 133 {
 134         const int b = minfo->altout.tvo_params.brightness + BLMIN;
 135         const int c = minfo->altout.tvo_params.contrast;
 136
 137         *bl = max(b - c, BLMIN);
 138         *wl = min(b + c, WLMAX);
 139 }
 140
 141 static int g450_query_ctrl(void* md, struct v4l2_queryctrl *p) {
 142         int i;
 143
 144         i = get_ctrl_id(p->id);
 145         if (i >= 0) {
 146                 *p = g450_controls[i].desc;
 147                 return 0;
 148         }
 149         if (i == -ENOENT) {
 150                 static const struct v4l2_queryctrl disctrl =
 151                         { .flags = V4L2_CTRL_FLAG_DISABLED };
 152
 153                 i = p->id;
 154                 *p = disctrl;
 155                 p->id = i;
 156                 sprintf(p->name, "Ctrl #%08X", i);
 157                 return 0;
 158         }
 159         return -EINVAL;
 160 }
 161
 162 static int g450_set_ctrl(void* md, struct v4l2_control *p) {
 163         int i;
 164         struct matrox_fb_info *minfo = md;
 165
 166         i = get_ctrl_id(p->id);
 167         if (i < 0) return -EINVAL;
 168
 169         /*
 170          * Check if changed.
 171          */
 172         if (p->value == *get_ctrl_ptr(minfo, i)) return 0;
 173
 174         /*
 175          * Check limits.
 176          */
 177         if (p->value > g450_controls[i].desc.maximum) return -EINVAL;
 178         if (p->value < g450_controls[i].desc.minimum) return -EINVAL;
 179
 180         /*
 181          * Store new value.
 182          */
 183         *get_ctrl_ptr(minfo, i) = p->value;
 184
 185         switch (p->id) {
 186                 case V4L2_CID_BRIGHTNESS:
 187                 case V4L2_CID_CONTRAST:
 188                         {
 189                                 int blacklevel, whitelevel;
 190                                 g450_compute_bwlevel(minfo, &blacklevel, &whitelevel);
 191                                 cve2_set_reg10(minfo, 0x0e, blacklevel);
 192                                 cve2_set_reg10(minfo, 0x1e, whitelevel);
 193                         }
 194                         break;
 195                 case V4L2_CID_SATURATION:
 196                         cve2_set_reg(minfo, 0x20, p->value);
 197                         cve2_set_reg(minfo, 0x22, p->value);
 198                         break;
 199                 case V4L2_CID_HUE:
 200                         cve2_set_reg(minfo, 0x25, p->value);
 201                         break;
 202                 case MATROXFB_CID_TESTOUT:
 203                         {
 204                                 unsigned char val = cve2_get_reg(minfo, 0x05);
 205                                 if (p->value) val |=  0x02;
 206                                 else          val &= ~0x02;
 207                                 cve2_set_reg(minfo, 0x05, val);
 208                         }
 209                         break;
 210         }
 211
 212
 213         return 0;
 214 }
 215
 216 static int g450_get_ctrl(void* md, struct v4l2_control *p) {
 217         int i;
 218         struct matrox_fb_info *minfo = md;
 219
 220         i = get_ctrl_id(p->id);
 221         if (i < 0) return -EINVAL;
 222         p->value = *get_ctrl_ptr(minfo, i);
 223         return 0;
 224 }
 225
 226 struct output_desc {
 227         unsigned int    h_vis;
 228         unsigned int    h_f_porch;
 229         unsigned int    h_sync;
 230         unsigned int    h_b_porch;
 231         unsigned long long int  chromasc;
 232         unsigned int    burst;
 233         unsigned int    v_total;
 234 };
 235
 236 static void computeRegs(struct matrox_fb_info *minfo, struct mavenregs *r,
 237                         struct my_timming *mt, const struct output_desc *outd)
 238 {
 239         u_int32_t chromasc;
 240         u_int32_t hlen;
 241         u_int32_t hsl;
 242         u_int32_t hbp;
 243         u_int32_t hfp;
 244         u_int32_t hvis;
 245         unsigned int pixclock;
 246         unsigned long long piic;
 247         int mnp;
 248         int over;
 249
 250         r->regs[0x80] = 0x03;   /* | 0x40 for SCART */
 251
 252         hvis = ((mt->HDisplay << 1) + 3) & ~3;
 253
 254         if (hvis >= 2048) {
 255                 hvis = 2044;
 256         }
 257
 258         piic = 1000000000ULL * hvis;
 259         do_div(piic, outd->h_vis);
 260
 261         dprintk(KERN_DEBUG "Want %u kHz pixclock\n", (unsigned int)piic);
 262
 263         mnp = matroxfb_g450_setclk(minfo, piic, M_VIDEO_PLL);
 264
 265         mt->mnp = mnp;
 266         mt->pixclock = g450_mnp2f(minfo, mnp);
 267
 268         dprintk(KERN_DEBUG "MNP=%08X\n", mnp);
 269
 270         pixclock = 1000000000U / mt->pixclock;
 271
 272         dprintk(KERN_DEBUG "Got %u ps pixclock\n", pixclock);
 273
 274         piic = outd->chromasc;
 275         do_div(piic, mt->pixclock);
 276         chromasc = piic;
 277
 278         dprintk(KERN_DEBUG "Chroma is %08X\n", chromasc);
 279
 280         r->regs[0] = piic >> 24;
 281         r->regs[1] = piic >> 16;
 282         r->regs[2] = piic >>  8;
 283         r->regs[3] = piic >>  0;
 284         hbp = (((outd->h_b_porch + pixclock) / pixclock)) & ~1;
 285         hfp = (((outd->h_f_porch + pixclock) / pixclock)) & ~1;
 286         hsl = (((outd->h_sync + pixclock) / pixclock)) & ~1;
 287         hlen = hvis + hfp + hsl + hbp;
 288         over = hlen & 0x0F;
 289
 290         dprintk(KERN_DEBUG "WL: vis=%u, hf=%u, hs=%u, hb=%u, total=%u\n", hvis, hfp, hsl, hbp, hlen);
 291
 292         if (over) {
 293                 hfp -= over;
 294                 hlen -= over;
 295                 if (over <= 2) {
 296                 } else if (over < 10) {
 297                         hfp += 4;
 298                         hlen += 4;
 299                 } else {
 300                         hfp += 16;
 301                         hlen += 16;
 302                 }
 303         }
 304
 305         /* maybe cve2 has requirement 800 < hlen < 1184 */
 306         r->regs[0x08] = hsl;
 307         r->regs[0x09] = (outd->burst + pixclock - 1) / pixclock;        /* burst length */
 308         r->regs[0x0A] = hbp;
 309         r->regs[0x2C] = hfp;
 310         r->regs[0x31] = hvis / 8;
 311         r->regs[0x32] = hvis & 7;
 312
 313         dprintk(KERN_DEBUG "PG: vis=%04X, hf=%02X, hs=%02X, hb=%02X, total=%04X\n", hvis, hfp, hsl, hbp, hlen);
 314
 315         r->regs[0x84] = 1;      /* x sync point */
 316         r->regs[0x85] = 0;
 317         hvis = hvis >> 1;
 318         hlen = hlen >> 1;
 319
 320         dprintk(KERN_DEBUG "hlen=%u hvis=%u\n", hlen, hvis);
 321
 322         mt->interlaced = 1;
 323
 324         mt->HDisplay = hvis & ~7;
 325         mt->HSyncStart = mt->HDisplay + 8;
 326         mt->HSyncEnd = (hlen & ~7) - 8;
 327         mt->HTotal = hlen;
 328
 329         {
 330                 int upper;
 331                 unsigned int vtotal;
 332                 unsigned int vsyncend;
 333                 unsigned int vdisplay;
 334
 335                 vtotal = mt->VTotal;
 336                 vsyncend = mt->VSyncEnd;
 337                 vdisplay = mt->VDisplay;
 338                 if (vtotal < outd->v_total) {
 339                         unsigned int yovr = outd->v_total - vtotal;
 340
 341                         vsyncend += yovr >> 1;
 342                 } else if (vtotal > outd->v_total) {
 343                         vdisplay = outd->v_total - 4;
 344                         vsyncend = outd->v_total;
 345                 }
 346                 upper = (outd->v_total - vsyncend) >> 1;        /* in field lines */
 347                 r->regs[0x17] = outd->v_total / 4;
 348                 r->regs[0x18] = outd->v_total & 3;
 349                 r->regs[0x33] = upper - 1;      /* upper blanking */
 350                 r->regs[0x82] = upper;          /* y sync point */
 351                 r->regs[0x83] = upper >> 8;
 352
 353                 mt->VDisplay = vdisplay;
 354                 mt->VSyncStart = outd->v_total - 2;
 355                 mt->VSyncEnd = outd->v_total;
 356                 mt->VTotal = outd->v_total;
 357         }
 358 }
 359
 360 static void cve2_init_TVdata(int norm, struct mavenregs* data, const struct output_desc** outd) {
 361         static const struct output_desc paloutd = {
 362                 .h_vis     = 52148148,  // ps
 363                 .h_f_porch =  1407407,  // ps
 364                 .h_sync    =  4666667,  // ps
 365                 .h_b_porch =  5777778,  // ps
 366                 .chromasc  = 19042247534182ULL, // 4433618.750 Hz
 367                 .burst     =  2518518,  // ps
 368                 .v_total   =      625,
 369         };
 370         static const struct output_desc ntscoutd = {
 371                 .h_vis     = 52888889,  // ps
 372                 .h_f_porch =  1333333,  // ps
 373                 .h_sync    =  4666667,  // ps
 374                 .h_b_porch =  4666667,  // ps
 375                 .chromasc  = 15374030659475ULL, // 3579545.454 Hz
 376                 .burst     =  2418418,  // ps
 377                 .v_total   =      525,  // lines
 378         };
 379
 380         static const struct mavenregs palregs = { {
 381                 0x2A, 0x09, 0x8A, 0xCB, /* 00: chroma subcarrier */
 382                 0x00,
 383                 0x00,   /* test */
 384                 0xF9,   /* modified by code (F9 written...) */
 385                 0x00,   /* ? not written */
 386                 0x7E,   /* 08 */
 387                 0x44,   /* 09 */
 388                 0x9C,   /* 0A */
 389                 0x2E,   /* 0B */
 390                 0x21,   /* 0C */
 391                 0x00,   /* ? not written */
 392 //              0x3F, 0x03, /* 0E-0F */
 393                 0x3C, 0x03,
 394                 0x3C, 0x03, /* 10-11 */
 395                 0x1A,   /* 12 */
 396                 0x2A,   /* 13 */
 397                 0x1C, 0x3D, 0x14, /* 14-16 */
 398                 0x9C, 0x01, /* 17-18 */
 399                 0x00,   /* 19 */
 400                 0xFE,   /* 1A */
 401                 0x7E,   /* 1B */
 402                 0x60,   /* 1C */
 403                 0x05,   /* 1D */
 404 //              0x89, 0x03, /* 1E-1F */
 405                 0xAD, 0x03,
 406 //              0x72,   /* 20 */
 407                 0xA5,
 408                 0x07,   /* 21 */
 409 //              0x72,   /* 22 */
 410                 0xA5,
 411                 0x00,   /* 23 */
 412                 0x00,   /* 24 */
 413                 0x00,   /* 25 */
 414                 0x08,   /* 26 */
 415                 0x04,   /* 27 */
 416                 0x00,   /* 28 */
 417                 0x1A,   /* 29 */
 418                 0x55, 0x01, /* 2A-2B */
 419                 0x26,   /* 2C */
 420                 0x07, 0x7E, /* 2D-2E */
 421                 0x02, 0x54, /* 2F-30 */
 422                 0xB0, 0x00, /* 31-32 */
 423                 0x14,   /* 33 */
 424                 0x49,   /* 34 */
 425                 0x00,   /* 35 written multiple times */
 426                 0x00,   /* 36 not written */
 427                 0xA3,   /* 37 */
 428                 0xC8,   /* 38 */
 429                 0x22,   /* 39 */
 430                 0x02,   /* 3A */
 431                 0x22,   /* 3B */
 432                 0x3F, 0x03, /* 3C-3D */
 433                 0x00,   /* 3E written multiple times */
 434                 0x00,   /* 3F not written */
 435         } };
 436         static struct mavenregs ntscregs = { {
 437                 0x21, 0xF0, 0x7C, 0x1F, /* 00: chroma subcarrier */
 438                 0x00,
 439                 0x00,   /* test */
 440                 0xF9,   /* modified by code (F9 written...) */
 441                 0x00,   /* ? not written */
 442                 0x7E,   /* 08 */
 443                 0x43,   /* 09 */
 444                 0x7E,   /* 0A */
 445                 0x3D,   /* 0B */
 446                 0x00,   /* 0C */
 447                 0x00,   /* ? not written */
 448                 0x41, 0x00, /* 0E-0F */
 449                 0x3C, 0x00, /* 10-11 */
 450                 0x17,   /* 12 */
 451                 0x21,   /* 13 */
 452                 0x1B, 0x1B, 0x24, /* 14-16 */
 453                 0x83, 0x01, /* 17-18 */
 454                 0x00,   /* 19 */
 455                 0x0F,   /* 1A */
 456                 0x0F,   /* 1B */
 457                 0x60,   /* 1C */
 458                 0x05,   /* 1D */
 459                 //0x89, 0x02, /* 1E-1F */
 460                 0xC0, 0x02, /* 1E-1F */
 461                 //0x5F, /* 20 */
 462                 0x9C,   /* 20 */
 463                 0x04,   /* 21 */
 464                 //0x5F, /* 22 */
 465                 0x9C,   /* 22 */
 466                 0x01,   /* 23 */
 467                 0x02,   /* 24 */
 468                 0x00,   /* 25 */
 469                 0x0A,   /* 26 */
 470                 0x05,   /* 27 */
 471                 0x00,   /* 28 */
 472                 0x10,   /* 29 */
 473                 0xFF, 0x03, /* 2A-2B */
 474                 0x24,   /* 2C */
 475                 0x0F, 0x78, /* 2D-2E */
 476                 0x00, 0x00, /* 2F-30 */
 477                 0xB2, 0x04, /* 31-32 */
 478                 0x14,   /* 33 */
 479                 0x02,   /* 34 */
 480                 0x00,   /* 35 written multiple times */
 481                 0x00,   /* 36 not written */
 482                 0xA3,   /* 37 */
 483                 0xC8,   /* 38 */
 484                 0x15,   /* 39 */
 485                 0x05,   /* 3A */
 486                 0x3B,   /* 3B */
 487                 0x3C, 0x00, /* 3C-3D */
 488                 0x00,   /* 3E written multiple times */
 489                 0x00,   /* never written */
 490         } };
 491
 492         if (norm == MATROXFB_OUTPUT_MODE_PAL) {
 493                 *data = palregs;
 494                 *outd = &paloutd;
 495         } else {
 496                 *data = ntscregs;
 497                 *outd = &ntscoutd;
 498         }
 499         return;
 500 }
 501
 502 #define LR(x) cve2_set_reg(minfo, (x), m->regs[(x)])
 503 static void cve2_init_TV(struct matrox_fb_info *minfo,
 504                          const struct mavenregs *m)
 505 {
 506         int i;
 507
 508         LR(0x80);
 509         LR(0x82); LR(0x83);
 510         LR(0x84); LR(0x85);
 511
 512         cve2_set_reg(minfo, 0x3E, 0x01);
 513
 514         for (i = 0; i < 0x3E; i++) {
 515                 LR(i);
 516         }
 517         cve2_set_reg(minfo, 0x3E, 0x00);
 518 }
 519
 520 static int matroxfb_g450_compute(void* md, struct my_timming* mt) {
 521         struct matrox_fb_info *minfo = md;
 522
 523         dprintk(KERN_DEBUG "Computing, mode=%u\n", minfo->outputs[1].mode);
 524
 525         if (mt->crtc == MATROXFB_SRC_CRTC2 &&
 526             minfo->outputs[1].mode != MATROXFB_OUTPUT_MODE_MONITOR) {
 527                 const struct output_desc* outd;
 528
 529                 cve2_init_TVdata(minfo->outputs[1].mode, &minfo->hw.maven, &outd);
 530                 {
 531                         int blacklevel, whitelevel;
 532                         g450_compute_bwlevel(minfo, &blacklevel, &whitelevel);
 533                         minfo->hw.maven.regs[0x0E] = blacklevel >> 2;
 534                         minfo->hw.maven.regs[0x0F] = blacklevel & 3;
 535                         minfo->hw.maven.regs[0x1E] = whitelevel >> 2;
 536                         minfo->hw.maven.regs[0x1F] = whitelevel & 3;
 537
 538                         minfo->hw.maven.regs[0x20] =
 539                         minfo->hw.maven.regs[0x22] = minfo->altout.tvo_params.saturation;
 540
 541                         minfo->hw.maven.regs[0x25] = minfo->altout.tvo_params.hue;
 542
 543                         if (minfo->altout.tvo_params.testout) {
 544                                 minfo->hw.maven.regs[0x05] |= 0x02;
 545                         }
 546                 }
 547                 computeRegs(minfo, &minfo->hw.maven, mt, outd);
 548         } else if (mt->mnp < 0) {
 549                 /* We must program clocks before CRTC2, otherwise interlaced mode
 550                    startup may fail */
 551                 mt->mnp = matroxfb_g450_setclk(minfo, mt->pixclock, (mt->crtc == MATROXFB_SRC_CRTC1) ? M_PIXEL_PLL_C : M_VIDEO_PLL);
 552                 mt->pixclock = g450_mnp2f(minfo, mt->mnp);
 553         }
 554         dprintk(KERN_DEBUG "Pixclock = %u\n", mt->pixclock);
 555         return 0;
 556 }
 557
 558 static int matroxfb_g450_program(void* md) {
 559         struct matrox_fb_info *minfo = md;
 560
 561         if (minfo->outputs[1].mode != MATROXFB_OUTPUT_MODE_MONITOR) {
 562                 cve2_init_TV(minfo, &minfo->hw.maven);
 563         }
 564         return 0;
 565 }
 566
 567 static int matroxfb_g450_verify_mode(void* md, u_int32_t arg) {
 568         switch (arg) {
 569                 case MATROXFB_OUTPUT_MODE_PAL:
 570                 case MATROXFB_OUTPUT_MODE_NTSC:
 571                 case MATROXFB_OUTPUT_MODE_MONITOR:
 572                         return 0;
 573         }
 574         return -EINVAL;
 575 }
 576
 577 static int g450_dvi_compute(void* md, struct my_timming* mt) {
 578         struct matrox_fb_info *minfo = md;
 579
 580         if (mt->mnp < 0) {
 581                 mt->mnp = matroxfb_g450_setclk(minfo, mt->pixclock, (mt->crtc == MATROXFB_SRC_CRTC1) ? M_PIXEL_PLL_C : M_VIDEO_PLL);
 582                 mt->pixclock = g450_mnp2f(minfo, mt->mnp);
 583         }
 584         return 0;
 585 }
 586
 587 static struct matrox_altout matroxfb_g450_altout = {
 588         .name           = "Secondary output",
 589         .compute        = matroxfb_g450_compute,
 590         .program        = matroxfb_g450_program,
 591         .verifymode     = matroxfb_g450_verify_mode,
 592         .getqueryctrl   = g450_query_ctrl,
 593         .getctrl        = g450_get_ctrl,
 594         .setctrl        = g450_set_ctrl,
 595 };
 596
 597 static struct matrox_altout matroxfb_g450_dvi = {
 598         .name           = "DVI output",
 599         .compute        = g450_dvi_compute,
 600 };
 601
 602 void matroxfb_g450_connect(struct matrox_fb_info *minfo)
 603 {
 604         if (minfo->devflags.g450dac) {
 605                 down_write(&minfo->altout.lock);
 606                 tvo_fill_defaults(minfo);
 607                 minfo->outputs[1].src = minfo->outputs[1].default_src;
 608                 minfo->outputs[1].data = minfo;
 609                 minfo->outputs[1].output = &matroxfb_g450_altout;
 610                 minfo->outputs[1].mode = MATROXFB_OUTPUT_MODE_MONITOR;
 611                 minfo->outputs[2].src = minfo->outputs[2].default_src;
 612                 minfo->outputs[2].data = minfo;
 613                 minfo->outputs[2].output = &matroxfb_g450_dvi;
 614                 minfo->outputs[2].mode = MATROXFB_OUTPUT_MODE_MONITOR;
 615                 up_write(&minfo->altout.lock);
 616         }
 617 }
 618
 619 void matroxfb_g450_shutdown(struct matrox_fb_info *minfo)
 620 {
 621         if (minfo->devflags.g450dac) {
 622                 down_write(&minfo->altout.lock);
 623                 minfo->outputs[1].src = MATROXFB_SRC_NONE;
 624                 minfo->outputs[1].output = NULL;
 625                 minfo->outputs[1].data = NULL;
 626                 minfo->outputs[1].mode = MATROXFB_OUTPUT_MODE_MONITOR;
 627                 minfo->outputs[2].src = MATROXFB_SRC_NONE;
 628                 minfo->outputs[2].output = NULL;
 629                 minfo->outputs[2].data = NULL;
 630                 minfo->outputs[2].mode = MATROXFB_OUTPUT_MODE_MONITOR;
 631                 up_write(&minfo->altout.lock);
 632         }
 633 }
 634
 635 EXPORT_SYMBOL(matroxfb_g450_connect);
 636 EXPORT_SYMBOL(matroxfb_g450_shutdown);
 637
 638 MODULE_AUTHOR("(c) 2000-2002 Petr Vandrovec <vandrove@vc.cvut.cz>");
 639 MODULE_DESCRIPTION("Matrox G450/G550 output driver");
 640 MODULE_LICENSE("GPL");