drivers/video/pm3fb.c

   1 /*
   2  *  linux/drivers/video/pm3fb.c -- 3DLabs Permedia3 frame buffer device
   3  *
   4  *  Copyright (C) 2001 Romain Dolbeau <dolbeau@irisa.fr>
   5  *  Based on code written by:
   6  *           Sven Luther, <luther@dpt-info.u-strasbg.fr>
   7  *           Alan Hourihane, <alanh@fairlite.demon.co.uk>
   8  *           Russell King, <rmk@arm.linux.org.uk>
   9  *  Based on linux/drivers/video/skeletonfb.c:
  10  *      Copyright (C) 1997 Geert Uytterhoeven
  11  *  Based on linux/driver/video/pm2fb.c:
  12  *      Copyright (C) 1998-1999 Ilario Nardinocchi (nardinoc@CS.UniBO.IT)
  13  *      Copyright (C) 1999 Jakub Jelinek (jakub@redhat.com)
  14  *
  15  *  This file is subject to the terms and conditions of the GNU General Public
  16  *  License. See the file COPYING in the main directory of this archive for
  17  *  more details.
  18  *
  19  *  $Header: /cvsroot/linux/drivers/video/pm3fb.c,v 1.1 2002/02/25 19:11:06 marcelo Exp $
  20  *
  21  *  CHANGELOG:
  22  *  Mon Feb 11 10:35:48 MET 2002, v 1.4.11B: Cosmetic update.
  23  *  Wed Jan 23 14:16:59 MET 2002, v 1.4.11: Preliminary 2.5.x support, patch for 2.5.2.
  24  *  Wed Nov 28 11:08:29 MET 2001, v 1.4.10: potential bug fix for SDRAM-based board, patch for 2.4.16.
  25  *  Thu Sep 20 10:24:42 MET DST 2001, v 1.4.9: sync bug fix, preliminary flatpanel support, better timings.
  26  *  Tue Aug 28 10:13:01 MET DST 2001, v 1.4.8: memory timings check, minor bug fixes.
  27  *  Wed Jul 18 19:06:14 CEST 2001, v 1.4.7: Mode fix (800x600-100, 1024x768-100 changed), using HW panning + accel bug fix.
  28  *  Mon Jun 25 10:33:56 MET DST 2001, v 1.4.6: Depth 12 fix, chip reset ioctl, moved memory erase ioctl to DEBUG.
  29  *  Wed Jun 20 11:13:08 MET DST 2001, v 1.4.5: Fixed missing blinking cursor in 8bpp, code cleaning, memory erase IOCTL.
  30  *  Mon Jun 18 16:00:27 CEST 2001, v 1.4.4: Depth 12 (RGBA 4444) support, code cleaning.
  31  *  Fri Jun 15 13:53:01 CEST 2001, v 1.4.3: Removed warnings, depth 15 support, add 'depth' option.
  32  *  Thu Jun 14 10:13:52 MET DST 2001, v 1.4.2: Fixed depth switching bug, preliminary 15bpp (RGB5551) support.
  33  *  Thu Apr 12 11:16:45 MET DST 2001, v 1.4.1B: Doc updates.
  34  *  Fri Apr  6 11:12:53 MET DST 2001, v 1.4.1: Configure.help, minor cleanup
  35  *  Thu Mar 29 10:56:50 MET DST 2001, v 1.4.0: Module & module options support (note: linux patch changed, 2.2.19 added).
  36  *  Thu Mar 15 15:30:31 MET 2001, v 1.3.2: Fixed mirroring bug on little-endian.
  37  *  Wed Mar 14 21:25:54 CET 2001, v 1.3.1: Fixed bug in BlockMove (_bmov).
  38  *  Tue Mar 13 10:53:19 MET 2001, v 1.3.0: Character drawing hardware support (in all width between 1 and 16), fixes.
  39  *  Thu Mar  8 10:20:16 MET 2001, v 1.2.2: Better J2000 support, "font:" option.
  40  *  Tue Mar  6 21:25:04 CET 2001, v 1.2.1: Better acceleration support.
  41  *  Mon Mar  5 21:54:17 CET 2001, v 1.2.0: Partial acceleration support (clear & bmove)
  42  *  Mon Mar  5 12:52:15 CET 2001, v 1.1.3: Big pan_display fix.
  43  *  Sun Mar  4 22:21:50 CET 2001, v 1.1.2: (numerous) bug fixes.
  44  *  Fri Mar  2 15:54:07 CET 2001, v 1.1.1: Might have Appian J2000 support, resource mangement in 2.4
  45  *  Wed Feb 28 18:21:35 CET 2001, v 1.1.0: Might have multiple boards support (added, but not yest tested)
  46  *  Tue Feb 27 17:31:12 CET 2001, v 1.0.6: fixes boot-time mode select, add more default mode
  47  *  Tue Feb 27 14:01:36 CET 2001, v 1.0.5: fixes (1.0.4 was broken for 2.2), cleaning up
  48  *  Mon Feb 26 23:17:36 CET 2001, v 1.0.4: preliminary 2.4.x support, dropped (useless on pm3) partial product, more OF fix
  49  *  Mon Feb 26 20:59:05 CET 2001, v 1.0.3: No more shadow register (and wasted memory), endianess fix, use OF-preset resolution by default
  50  *  Wed Feb 21 22:09:30 CET 2001, v 1.0.2: Code cleaning for future multiboard support, better OF support, bugs fix
  51  *  Wed Feb 21 19:58:56 CET 2001, v 1.0.1: OpenFirmware support, fixed memory detection, better debug support, code cleaning
  52  *  Wed Feb 21 14:47:06 CET 2001, v 1.0.0: First working version
  53  */
  54
  55 #include <linux/config.h>
  56 #include <linux/module.h>
  57 #include <linux/kernel.h>
  58 #include <linux/errno.h>
  59 #include <linux/string.h>
  60 #include <linux/mm.h>
  61 #include <linux/tty.h>
  62 #include <linux/slab.h>
  63 #include <linux/vmalloc.h>
  64 #include <linux/delay.h>
  65 #include <linux/interrupt.h>
  66 #include <linux/fb.h>
  67 #include <linux/init.h>
  68 #include <linux/pci.h>
  69 #include <linux/ioport.h>
  70 #include <linux/ctype.h>
  71
  72 #include <video/fbcon.h>
  73 #include <video/fbcon-mfb.h>
  74 #include <video/fbcon-cfb2.h>
  75 #include <video/fbcon-cfb4.h>
  76 #include <video/fbcon-cfb8.h>
  77 #include <video/fbcon-cfb16.h>
  78 #include <video/fbcon-cfb24.h>
  79 #include <video/fbcon-cfb32.h>
  80 #include <video/pm3fb.h>
  81
  82 #include <asm/io.h>
  83 #include <asm/uaccess.h>
  84
  85 #ifdef CONFIG_FB_OF
  86 #include <asm/prom.h>
  87 #endif
  88
  89 /* ************************************* */
  90 /* ***** The various "global" data ***** */
  91 /* ************************************* */
  92
  93 /* those will need a rework for multiple board support */
  94 /* Driver name */
  95 static const char permedia3_name[16] = "Permedia3";
  96
  97 /* the fb_par struct, mandatory */
  98 struct pm3fb_par {
  99         u32 pixclock;           /* pixclock in KHz */
 100
 101         u32 width;              /* width of virtual screen */
 102         u32 height;             /* height of virtual screen */
 103
 104         u32 hsstart;            /* horiz. sync start */
 105         u32 hsend;              /* horiz. sync end */
 106         u32 hbend;              /* horiz. blank end (also gate end) */
 107         u32 htotal;             /* total width (w/ sync & blank) */
 108
 109         u32 vsstart;            /* vert. sync start */
 110         u32 vsend;              /* vert. sync end */
 111         u32 vbend;              /* vert. blank end */
 112         u32 vtotal;             /* total height (w/ sync & blank) */
 113
 114         u32 stride;             /* screen stride */
 115         u32 base;               /* screen base (xoffset+yoffset) in 128 bits unit */
 116         /* NOTE : unlike other pm3 stuff above, stored *after* shiftbpp. don't ask */
 117         u32 depth;              /* screen depth (8, 12, 15, 16 or 32) */
 118         u32 video;              /* video control (hsync,vsync) */
 119 };
 120
 121 /* memory timings */
 122 struct pm3fb_timings
 123 {
 124         unsigned long caps;
 125         unsigned long timings;
 126         unsigned long control;
 127         unsigned long refresh;
 128         unsigned long powerdown;
 129 };
 130 typedef enum pm3fb_timing_result { pm3fb_timing_ok, pm3fb_timing_problem, pm3fb_timing_retry } pm3fb_timing_result;
 131 #define PM3FB_UNKNOWN_TIMING_VALUE ((unsigned long)-1)
 132 #define PM3FB_UNKNOWN_TIMINGS { PM3FB_UNKNOWN_TIMING_VALUE, PM3FB_UNKNOWN_TIMING_VALUE, PM3FB_UNKNOWN_TIMING_VALUE, PM3FB_UNKNOWN_TIMING_VALUE, PM3FB_UNKNOWN_TIMING_VALUE }
 133
 134 /* the fb_info struct, mandatory */
 135 struct pm3fb_info {
 136         struct fb_info_gen gen;
 137         unsigned long board_num; /* internal board number */
 138         unsigned long use_current;
 139         struct pm3fb_par *current_par;
 140         struct pci_dev *dev;    /* PCI device */
 141         unsigned long board_type; /* index in the cardbase */
 142         unsigned char *fb_base; /* framebuffer memory base */
 143         u32 fb_size;            /* framebuffer memory size */
 144         unsigned char *p_fb;    /* physical address of frame buffer */
 145         unsigned char *v_fb;    /* virtual address of frame buffer */
 146         unsigned char *pIOBase; /* physical address of registers region, must be rg_base or rg_base+PM2_REGS_SIZE depending on the host endianness */
 147         unsigned char *vIOBase; /* address of registers after ioremap() */
 148         struct {
 149                 u8 transp;
 150                 u8 red;
 151                 u8 green;
 152                 u8 blue;
 153         } palette[256];
 154         union {
 155 #ifdef FBCON_HAS_CFB16
 156                 u16 cmap12[16]; /* RGBA 4444 */
 157                 u16 cmap15[16]; /* RGBA 5551 */
 158                 u16 cmap16[16]; /* RGBA 5650 */
 159 #endif
 160 #ifdef FBCON_HAS_CFB32
 161                 u32 cmap32[16];
 162 #endif
 163         } cmap;
 164         struct pm3fb_timings memt;
 165 };
 166
 167 /* regular resolution database*/
 168 static struct {
 169         char name[16];
 170         struct pm3fb_par user_mode;
 171 } mode_base[] __initdata = {
 172         {
 173                 "default-800x600", {
 174         49500, 800, 600, 16, 96, 256, 1056, 1, 4, 25, 625,
 175                             800, 0, 8,
 176                             PM3VideoControl_ENABLE |
 177                             PM3VideoControl_HSYNC_ACTIVE_HIGH
 178                             |
 179                             PM3VideoControl_VSYNC_ACTIVE_HIGH
 180                             | PM3VideoControl_PIXELSIZE_8BIT}}, {
 181                 "1024x768-74", {
 182         78752, 1024, 768, 32, 128, 304, 1328, 1, 4, 38,
 183                             806, 1024, 0, 8,
 184                             PM3VideoControl_ENABLE |
 185                             PM3VideoControl_HSYNC_ACTIVE_HIGH
 186                             |
 187                             PM3VideoControl_VSYNC_ACTIVE_HIGH
 188                             | PM3VideoControl_PIXELSIZE_8BIT}}, {
 189                 "1024x768-74-32", {
 190                         78752, 1024, 768, 32, 128, 304, 1328, 1, 4, 38,
 191                         806, 1024, 0, 32,
 192                         PM3VideoControl_ENABLE |
 193                         PM3VideoControl_HSYNC_ACTIVE_HIGH
 194                         |
 195                         PM3VideoControl_VSYNC_ACTIVE_HIGH
 196                         | PM3VideoControl_PIXELSIZE_32BIT}},
 197 /* Generated mode : "1600x1024", for the SGI 1600SW flat panel*/
 198         {
 199                 "SGI1600SW", {
 200                         108000, 1600, 1024, 16, 56, 104, 1704, 3, 6, 32,
 201                         1056, 1600, 0, 8,
 202                         PM3VideoControl_ENABLE|
 203                         PM3VideoControl_HSYNC_ACTIVE_LOW|PM3VideoControl_VSYNC_ACTIVE_LOW|
 204                         PM3VideoControl_PIXELSIZE_32BIT}},
 205 /* ##### auto-generated mode, by fbtimings2pm3 */
 206 /* Generated mode : "640x480-60" */
 207         {
 208                 "640x480-60", {
 209         25174, 640, 480, 16, 112, 160, 800, 10, 12, 45,
 210                             525, 640, 0, 8,
 211                             PM3VideoControl_ENABLE |
 212                             PM3VideoControl_HSYNC_ACTIVE_LOW
 213                             |
 214                             PM3VideoControl_VSYNC_ACTIVE_LOW
 215                             | PM3VideoControl_PIXELSIZE_8BIT}},
 216 /* Generated mode : "640x480-72" */
 217         {
 218                 "640x480-72", {
 219         31199, 640, 480, 24, 64, 192, 832, 9, 12, 40, 520,
 220                             640, 0, 8,
 221                             PM3VideoControl_ENABLE |
 222                             PM3VideoControl_HSYNC_ACTIVE_LOW
 223                             |
 224                             PM3VideoControl_VSYNC_ACTIVE_LOW
 225                             | PM3VideoControl_PIXELSIZE_8BIT}},
 226 /* Generated mode : "640x480-75" */
 227         {
 228                 "640x480-75", {
 229         31499, 640, 480, 16, 80, 200, 840, 1, 4, 20, 500,
 230                             640, 0, 8,
 231                             PM3VideoControl_ENABLE |
 232                             PM3VideoControl_HSYNC_ACTIVE_LOW
 233                             |
 234                             PM3VideoControl_VSYNC_ACTIVE_LOW
 235                             | PM3VideoControl_PIXELSIZE_8BIT}},
 236 /* Generated mode : "640x480-90" */
 237         {
 238                 "640x480-90", {
 239         39909, 640, 480, 32, 72, 192, 832, 25, 39, 53, 533,
 240                             640, 0, 8,
 241                             PM3VideoControl_ENABLE |
 242                             PM3VideoControl_HSYNC_ACTIVE_LOW
 243                             |
 244                             PM3VideoControl_VSYNC_ACTIVE_LOW
 245                             | PM3VideoControl_PIXELSIZE_8BIT}},
 246 /* Generated mode : "640x480-100" */
 247         {
 248                 "640x480-100", {
 249         44899, 640, 480, 32, 160, 208, 848, 22, 34, 51,
 250                             531, 640, 0, 8,
 251                             PM3VideoControl_ENABLE |
 252                             PM3VideoControl_HSYNC_ACTIVE_LOW
 253                             |
 254                             PM3VideoControl_VSYNC_ACTIVE_LOW
 255                             | PM3VideoControl_PIXELSIZE_8BIT}},
 256 /* Generated mode : "800x600-48-lace" */
 257 /* INTERLACED NOT SUPPORTED
 258   {"800x600-48-lace", {35999, 800, 600, 80, 208, 264, 1064, 11, 23, 102, 702, 800, 0, 8, PM3VideoControl_ENABLE|PM3VideoControl_HSYNC_ACTIVE_HIGH|PM3VideoControl_VSYNC_ACTIVE_HIGH|PM3VideoControl_PIXELSIZE_8BIT}},
 259    INTERLACED NOT SUPPORTED */
 260 /* Generated mode : "800x600-56" */
 261         {
 262                 "800x600-56", {
 263         35999, 800, 600, 24, 96, 224, 1024, 1, 3, 25, 625,
 264                             800, 0, 8,
 265                             PM3VideoControl_ENABLE |
 266                             PM3VideoControl_HSYNC_ACTIVE_HIGH
 267                             |
 268                             PM3VideoControl_VSYNC_ACTIVE_HIGH
 269                             | PM3VideoControl_PIXELSIZE_8BIT}},
 270 /* Generated mode : "800x600-60" */
 271         {
 272                 "800x600-60", {
 273         40000, 800, 600, 40, 168, 256, 1056, 1, 5, 28, 628,
 274                             800, 0, 8,
 275                             PM3VideoControl_ENABLE |
 276                             PM3VideoControl_HSYNC_ACTIVE_HIGH
 277                             |
 278                             PM3VideoControl_VSYNC_ACTIVE_HIGH
 279                             | PM3VideoControl_PIXELSIZE_8BIT}},
 280 /* Generated mode : "800x600-70" */
 281         {
 282                 "800x600-70", {
 283         44899, 800, 600, 24, 168, 208, 1008, 9, 21, 36,
 284                             636, 800, 0, 8,
 285                             PM3VideoControl_ENABLE |
 286                             PM3VideoControl_HSYNC_ACTIVE_HIGH
 287                             |
 288                             PM3VideoControl_VSYNC_ACTIVE_LOW
 289                             | PM3VideoControl_PIXELSIZE_8BIT}},
 290 /* Generated mode : "800x600-72" */
 291         {
 292                 "800x600-72", {
 293         50000, 800, 600, 56, 176, 240, 1040, 37, 43, 66,
 294                             666, 800, 0, 8,
 295                             PM3VideoControl_ENABLE |
 296                             PM3VideoControl_HSYNC_ACTIVE_HIGH
 297                             |
 298                             PM3VideoControl_VSYNC_ACTIVE_HIGH
 299                             | PM3VideoControl_PIXELSIZE_8BIT}},
 300 /* Generated mode : "800x600-75" */
 301         {
 302                 "800x600-75", {
 303         49497, 800, 600, 16, 96, 256, 1056, 1, 4, 25, 625,
 304                             800, 0, 8,
 305                             PM3VideoControl_ENABLE |
 306                             PM3VideoControl_HSYNC_ACTIVE_HIGH
 307                             |
 308                             PM3VideoControl_VSYNC_ACTIVE_HIGH
 309                             | PM3VideoControl_PIXELSIZE_8BIT}},
 310 /* Generated mode : "800x600-90" */
 311         {
 312                 "800x600-90", {
 313         56637, 800, 600, 8, 72, 192, 992, 8, 19, 35, 635,
 314                             800, 0, 8,
 315                             PM3VideoControl_ENABLE |
 316                             PM3VideoControl_HSYNC_ACTIVE_HIGH
 317                             |
 318                             PM3VideoControl_VSYNC_ACTIVE_HIGH
 319                             | PM3VideoControl_PIXELSIZE_8BIT}},
 320 /* Generated mode : "800x600-100", from /etc/fb.modes */
 321 /* DISABLED, hsstart == 0
 322         {
 323                 "800x600-100", {
 324         67499, 800, 600, 0, 64, 280, 1080, 7, 11, 25, 625,
 325                             800, 0, 8,
 326                             PM3VideoControl_ENABLE |
 327                             PM3VideoControl_HSYNC_ACTIVE_HIGH
 328                             |
 329                             PM3VideoControl_VSYNC_ACTIVE_HIGH
 330                             | PM3VideoControl_PIXELSIZE_8BIT}},
 331 */
 332 /* Generated mode : "800x600-100", from ??? */
 333         {
 334                 "800x600-100", {
 335                         69650, 800, 600, 64, 128, 288, 1088, 4, 10, 40, 640, 800, 0, 8,
 336                         PM3VideoControl_ENABLE|PM3VideoControl_HSYNC_ACTIVE_LOW|
 337                         PM3VideoControl_VSYNC_ACTIVE_LOW|PM3VideoControl_PIXELSIZE_8BIT}},
 338 /* Generated mode : "1024x768-43-lace" */
 339 /* INTERLACED NOT SUPPORTED
 340   {"1024x768-43-lace", {44899, 1024, 768, 8, 184, 240, 1264, 1, 9, 49, 817, 1024, 0, 8, PM3VideoControl_ENABLE|PM3VideoControl_HSYNC_ACTIVE_HIGH|PM3VideoControl_VSYNC_ACTIVE_HIGH|PM3VideoControl_PIXELSIZE_8BIT}},
 341    INTERLACED NOT SUPPORTED */
 342 /* Generated mode : "1024x768-60" */
 343         {
 344                 "1024x768-60", {
 345         64998, 1024, 768, 24, 160, 320, 1344, 3, 9, 38,
 346                             806, 1024, 0, 8,
 347                             PM3VideoControl_ENABLE |
 348                             PM3VideoControl_HSYNC_ACTIVE_LOW
 349                             |
 350                             PM3VideoControl_VSYNC_ACTIVE_LOW
 351                             | PM3VideoControl_PIXELSIZE_8BIT}},
 352 /* Generated mode : "1024x768-70" */
 353         {
 354                 "1024x768-70", {
 355         74996, 1024, 768, 24, 160, 304, 1328, 3, 9, 38,
 356                             806, 1024, 0, 8,
 357                             PM3VideoControl_ENABLE |
 358                             PM3VideoControl_HSYNC_ACTIVE_LOW
 359                             |
 360                             PM3VideoControl_VSYNC_ACTIVE_LOW
 361                             | PM3VideoControl_PIXELSIZE_8BIT}},
 362 /* Generated mode : "1024x768-72" */
 363         {
 364                 "1024x768-72", {
 365         74996, 10224, 768, 24, 160, 264, 10488, 3, 9, 38,
 366                             806, 10224, 0, 8,
 367                             PM3VideoControl_ENABLE |
 368                             PM3VideoControl_HSYNC_ACTIVE_LOW
 369                             |
 370                             PM3VideoControl_VSYNC_ACTIVE_LOW
 371                             | PM3VideoControl_PIXELSIZE_8BIT}},
 372 /* Generated mode : "1024x768-75" */
 373         {
 374                 "1024x768-75", {
 375         78746, 1024, 768, 16, 112, 288, 1312, 1, 4, 32,
 376                             800, 1024, 0, 8,
 377                             PM3VideoControl_ENABLE |
 378                             PM3VideoControl_HSYNC_ACTIVE_HIGH
 379                             |
 380                             PM3VideoControl_VSYNC_ACTIVE_HIGH
 381                             | PM3VideoControl_PIXELSIZE_8BIT}},
 382 /* Generated mode : "1024x768-90" */
 383         {
 384                 "1024x768-90", {
 385         100000, 1024, 768, 0, 96, 288, 1312, 21, 36, 77,
 386                             845, 1024, 0, 8,
 387                             PM3VideoControl_ENABLE |
 388                             PM3VideoControl_HSYNC_ACTIVE_LOW
 389                             |
 390                             PM3VideoControl_VSYNC_ACTIVE_LOW
 391                             | PM3VideoControl_PIXELSIZE_8BIT}},
 392 /* Generated mode : "1024x768-100", from /etc/fb.modes */
 393 /* DISABLED, vsstart == 0
 394         {
 395                 "1024x768-100", {
 396         109998, 1024, 768, 0, 88, 368, 1392, 0, 8, 24, 792,
 397                             1024, 0, 8,
 398                             PM3VideoControl_ENABLE |
 399                             PM3VideoControl_HSYNC_ACTIVE_LOW
 400                             |
 401                             PM3VideoControl_VSYNC_ACTIVE_LOW
 402                             | PM3VideoControl_PIXELSIZE_8BIT}},
 403 */
 404 /* Generated mode : "1024x768-100", from ??? */
 405         {
 406                 "1024x768-100", {
 407                         115500, 1024, 768, 32, 224, 416, 1440, 3, 13, 34, 802, 1024, 0, 8,
 408                         PM3VideoControl_ENABLE|PM3VideoControl_HSYNC_ACTIVE_LOW|
 409                         PM3VideoControl_VSYNC_ACTIVE_LOW|PM3VideoControl_PIXELSIZE_8BIT}},
 410 /* Generated mode : "1152x864-43-lace" */
 411 /* INTERLACED NOT SUPPORTED
 412   {"1152x864-43-lace", {64998, 1152, 864, 72, 200, 264, 1416, 78, 87, 191, 1055, 1152, 0, 8, PM3VideoControl_ENABLE|PM3VideoControl_HSYNC_ACTIVE_HIGH|PM3VideoControl_VSYNC_ACTIVE_HIGH|PM3VideoControl_PIXELSIZE_8BIT}},
 413    INTERLACED NOT SUPPORTED */
 414 /* Generated mode : "1152x864-47-lace" */
 415 /* INTERLACED NOT SUPPORTED
 416   {"1152x864-47-lace", {64998, 1152, 864, 88, 216, 296, 1448, 30, 39, 83, 947, 1152, 0, 8, PM3VideoControl_ENABLE|PM3VideoControl_HSYNC_ACTIVE_HIGH|PM3VideoControl_VSYNC_ACTIVE_HIGH|PM3VideoControl_PIXELSIZE_8BIT}},
 417    INTERLACED NOT SUPPORTED */
 418 /* Generated mode : "1152x864-60" */
 419         {
 420                 "1152x864-60", {
 421         80000, 1152, 864, 64, 176, 304, 1456, 6, 11, 52,
 422                             916, 1152, 0, 8,
 423                             PM3VideoControl_ENABLE |
 424                             PM3VideoControl_HSYNC_ACTIVE_HIGH
 425                             |
 426                             PM3VideoControl_VSYNC_ACTIVE_HIGH
 427                             | PM3VideoControl_PIXELSIZE_8BIT}},
 428 /* Generated mode : "1152x864-70" */
 429         {
 430                 "1152x864-70", {
 431         100000, 1152, 864, 40, 192, 360, 1512, 13, 24, 81,
 432                             945, 1152, 0, 8,
 433                             PM3VideoControl_ENABLE |
 434                             PM3VideoControl_HSYNC_ACTIVE_HIGH
 435                             |
 436                             PM3VideoControl_VSYNC_ACTIVE_HIGH
 437                             | PM3VideoControl_PIXELSIZE_8BIT}},
 438 /* Generated mode : "1152x864-75" */
 439         {
 440                 "1152x864-75", {
 441         109998, 1152, 864, 24, 168, 312, 1464, 45, 53, 138,
 442                             1002, 1152, 0, 8,
 443                             PM3VideoControl_ENABLE |
 444                             PM3VideoControl_HSYNC_ACTIVE_HIGH
 445                             |
 446                             PM3VideoControl_VSYNC_ACTIVE_HIGH
 447                             | PM3VideoControl_PIXELSIZE_8BIT}},
 448 /* Generated mode : "1152x864-80" */
 449         {
 450                 "1152x864-80", {
 451         109998, 1152, 864, 16, 128, 288, 1440, 30, 37, 94,
 452                             958, 1152, 0, 8,
 453                             PM3VideoControl_ENABLE |
 454                             PM3VideoControl_HSYNC_ACTIVE_HIGH
 455                             |
 456                             PM3VideoControl_VSYNC_ACTIVE_HIGH
 457                             | PM3VideoControl_PIXELSIZE_8BIT}},
 458 /* Generated mode : "1280x1024-43-lace" */
 459 /* INTERLACED NOT SUPPORTED
 460   {"1280x1024-43-lace", {80000, 1024, 1024, 80, 160, 320, 1344, 50, 60, 125, 1149, 1024, 0, 8, PM3VideoControl_ENABLE|PM3VideoControl_HSYNC_ACTIVE_HIGH|PM3VideoControl_VSYNC_ACTIVE_HIGH|PM3VideoControl_PIXELSIZE_8BIT}},
 461    INTERLACED NOT SUPPORTED */
 462 /* Generated mode : "1280x1024-47-lace" */
 463 /* INTERLACED NOT SUPPORTED
 464   {"1280x1024-47-lace", {80000, 1280, 1024, 80, 160, 320, 1600, 1, 11, 29, 1053, 1280, 0, 8, PM3VideoControl_ENABLE|PM3VideoControl_HSYNC_ACTIVE_HIGH|PM3VideoControl_VSYNC_ACTIVE_HIGH|PM3VideoControl_PIXELSIZE_8BIT}},
 465    INTERLACED NOT SUPPORTED */
 466 /* Generated mode : "1280x1024-60" */
 467         {
 468                 "1280x1024-60", {
 469         107991, 1280, 1024, 48, 160, 408, 1688, 1, 4, 42,
 470                             1066, 1280, 0, 8,
 471                             PM3VideoControl_ENABLE |
 472                             PM3VideoControl_HSYNC_ACTIVE_HIGH
 473                             |
 474                             PM3VideoControl_VSYNC_ACTIVE_HIGH
 475                             | PM3VideoControl_PIXELSIZE_8BIT}},
 476 /* Generated mode : "1280x1024-70" */
 477         {
 478                 "1280x1024-70", {
 479         125992, 1280, 1024, 80, 192, 408, 1688, 1, 6, 42,
 480                             1066, 1280, 0, 8,
 481                             PM3VideoControl_ENABLE |
 482                             PM3VideoControl_HSYNC_ACTIVE_HIGH
 483                             |
 484                             PM3VideoControl_VSYNC_ACTIVE_HIGH
 485                             | PM3VideoControl_PIXELSIZE_8BIT}},
 486 /* Generated mode : "1280x1024-74" */
 487         {
 488                 "1280x1024-74", {
 489         134989, 1280, 1024, 32, 176, 432, 1712, 0, 30, 40,
 490                             1064, 1280, 0, 8,
 491                             PM3VideoControl_ENABLE |
 492                             PM3VideoControl_HSYNC_ACTIVE_HIGH
 493                             |
 494                             PM3VideoControl_VSYNC_ACTIVE_HIGH
 495                             | PM3VideoControl_PIXELSIZE_8BIT}},
 496 /* Generated mode : "1280x1024-75" */
 497         {
 498                 "1280x1024-75", {
 499         134989, 1280, 1024, 16, 160, 408, 1688, 1, 4, 42,
 500                             1066, 1280, 0, 8,
 501                             PM3VideoControl_ENABLE |
 502                             PM3VideoControl_HSYNC_ACTIVE_HIGH
 503                             |
 504                             PM3VideoControl_VSYNC_ACTIVE_HIGH
 505                             | PM3VideoControl_PIXELSIZE_8BIT}},
 506 /* Generated mode : "1600x1200-60" */
 507         {
 508                 "1600x1200-60", {
 509         155981, 1600, 1200, 32, 192, 448, 2048, 10, 18, 70,
 510                             1270, 1600, 0, 8,
 511                             PM3VideoControl_ENABLE |
 512                             PM3VideoControl_HSYNC_ACTIVE_LOW
 513                             |
 514                             PM3VideoControl_VSYNC_ACTIVE_LOW
 515                             | PM3VideoControl_PIXELSIZE_8BIT}},
 516 /* Generated mode : "1600x1200-66" */
 517         {
 518                 "1600x1200-66", {
 519         171998, 1600, 1200, 40, 176, 480, 2080, 3, 6, 53,
 520                             1253, 1600, 0, 8,
 521                             PM3VideoControl_ENABLE |
 522                             PM3VideoControl_HSYNC_ACTIVE_LOW
 523                             |
 524                             PM3VideoControl_VSYNC_ACTIVE_LOW
 525                             | PM3VideoControl_PIXELSIZE_8BIT}},
 526 /* Generated mode : "1600x1200-76" */
 527         {
 528                 "1600x1200-76", {
 529         197980, 1600, 1200, 40, 176, 480, 2080, 3, 8, 50,
 530                             1250, 1600, 0, 8,
 531                             PM3VideoControl_ENABLE |
 532                             PM3VideoControl_HSYNC_ACTIVE_LOW
 533                             |
 534                             PM3VideoControl_VSYNC_ACTIVE_LOW
 535                             | PM3VideoControl_PIXELSIZE_8BIT}},
 536 /* ##### end of auto-generated mode */
 537         {
 538         "\0",}
 539 };
 540
 541 /* more mandatory stuff (see skeletonfb.c + framebuffer driver HOWTO */
 542 static struct pm3fb_info fb_info[PM3_MAX_BOARD];
 543 static struct pm3fb_par current_par[PM3_MAX_BOARD];
 544 static int current_par_valid[PM3_MAX_BOARD];
 545 /* to allow explicit filtering of board */
 546 short bus[PM3_MAX_BOARD];
 547 short slot[PM3_MAX_BOARD];
 548 short func[PM3_MAX_BOARD];
 549 short disable[PM3_MAX_BOARD];
 550 short noaccel[PM3_MAX_BOARD];
 551 char fontn[PM3_MAX_BOARD][PM3_FONTNAME_SIZE];
 552 short depth[PM3_MAX_BOARD];
 553 short flatpanel[PM3_MAX_BOARD];
 554 static struct display disp[PM3_MAX_BOARD];
 555 static char g_options[PM3_OPTIONS_SIZE] __initdata = "pm3fb,dummy";
 556 short printtimings = 0;
 557 short forcesize[PM3_MAX_BOARD];
 558
 559 /* ********************* */
 560 /* ***** prototype ***** */
 561 /* ********************* */
 562 /* card-specific */
 563 static void pm3fb_j2000_setup(struct pm3fb_info *l_fb_info);
 564 /* permedia3-specific */
 565 static pm3fb_timing_result pm3fb_preserve_memory_timings(struct pm3fb_info *l_fb_info);
 566 static pm3fb_timing_result pm3fb_try_memory_timings(struct pm3fb_info *l_fb_info);
 567 static void pm3fb_write_memory_timings(struct pm3fb_info *l_fb_info);
 568 static unsigned long pm3fb_read_dac_reg(struct pm3fb_info *l_fb_info,
 569                                         unsigned long r);
 570 static unsigned long pm3fb_CalculateClock(struct pm3fb_info *l_fb_info, unsigned long reqclock, /* In kHz units */
 571                                           unsigned long refclock,       /* In kHz units */
 572                                           unsigned char *prescale,      /* ClkPreScale */
 573                                           unsigned char *feedback,      /* ClkFeedBackScale */
 574                                           unsigned char *postscale
 575                                           /* ClkPostScale */ );
 576 static void pm3fb_clear_memory(struct pm3fb_info *l_fb_info, u32 cc);
 577 static void pm3fb_clear_colormap(struct pm3fb_info *l_fb_info, unsigned char r, unsigned char g, unsigned char b);
 578 static void pm3fb_common_init(struct pm3fb_info *l_fb_info);
 579 static int pm3fb_Shiftbpp(struct pm3fb_info *l_fb_info,
 580                           unsigned long depth, int v);
 581 static int pm3fb_Unshiftbpp(struct pm3fb_info *l_fb_info,
 582                             unsigned long depth, int v);
 583 static void pm3fb_mapIO(struct pm3fb_info *l_fb_info);
 584 static void pm3fb_unmapIO(struct pm3fb_info *l_fb_info);
 585 #if defined(PM3FB_MASTER_DEBUG) && (PM3FB_MASTER_DEBUG >= 2)
 586 static void pm3fb_show_cur_mode(struct pm3fb_info *l_fb_info);
 587 #endif
 588 static void pm3fb_show_cur_timing(struct pm3fb_info *l_fb_info);
 589 static void pm3fb_write_mode(struct pm3fb_info *l_fb_info);
 590 static void pm3fb_read_mode(struct pm3fb_info *l_fb_info,
 591                             struct pm3fb_par *curpar);
 592 static unsigned long pm3fb_size_memory(struct pm3fb_info *l_fb_info);
 593 /* accelerated permedia3-specific */
 594 #ifdef PM3FB_USE_ACCEL
 595 static void pm3fb_wait_pm3(struct pm3fb_info *l_fb_info);
 596 static void pm3fb_init_engine(struct pm3fb_info *l_fb_info);
 597 #ifdef FBCON_HAS_CFB32
 598 static void pm3fb_cfb32_clear(struct vc_data *conp,
 599                               struct display *p,
 600                               int sy, int sx, int height, int width);
 601 static void pm3fb_cfb32_clear_margins(struct vc_data *conp,
 602                                       struct display *p, int bottom_only);
 603 #endif /* FBCON_HAS_CFB32 */
 604 #ifdef FBCON_HAS_CFB16
 605 static void pm3fb_cfb16_clear(struct vc_data *conp,
 606                               struct display *p,
 607                               int sy, int sx, int height, int width);
 608 static void pm3fb_cfb16_clear_margins(struct vc_data *conp,
 609                                       struct display *p, int bottom_only);
 610 #endif /* FBCON_HAS_CFB16 */
 611 #ifdef FBCON_HAS_CFB8
 612 static void pm3fb_cfb8_clear(struct vc_data *conp,
 613                              struct display *p,
 614                              int sy, int sx, int height, int width);
 615 static void pm3fb_cfb8_clear_margins(struct vc_data *conp,
 616                                      struct display *p, int bottom_only);
 617 #endif /* FBCON_HAS_CFB8 */
 618 #if defined(FBCON_HAS_CFB8) || defined(FBCON_HAS_CFB16) || defined(FBCON_HAS_CFB32)
 619 static void pm3fb_cfbX_bmove(struct display *p,
 620                              int sy, int sx,
 621                              int dy, int dx, int height, int width);
 622 static void pm3fb_cfbX_putc(struct vc_data *conp, struct display *p,
 623                             int c, int yy, int xx);
 624 static void pm3fb_cfbX_putcs(struct vc_data *conp, struct display *p,
 625                              const unsigned short *s, int count, int yy,
 626                              int xx);
 627 static void pm3fb_cfbX_revc(struct display *p, int xx, int yy);
 628 #endif /* FBCON_HAS_CFB8 || FBCON_HAS_CFB16 || FBCON_HAS_CFB32 */
 629 #endif /* PM3FB_USE_ACCEL */
 630 /* pre-init */
 631 static void pm3fb_mode_setup(char *mode, unsigned long board_num);
 632 static void pm3fb_pciid_setup(char *pciid, unsigned long board_num);
 633 static char *pm3fb_boardnum_setup(char *options, unsigned long *bn);
 634 static void pm3fb_real_setup(char *options);
 635 /* fbdev */
 636 static int pm3fb_encode_fix(struct fb_fix_screeninfo *fix,
 637                             const void *par, struct fb_info_gen *info);
 638 static int pm3fb_decode_var(const struct fb_var_screeninfo *var,
 639                             void *par, struct fb_info_gen *info);
 640 static void pm3fb_encode_depth(struct fb_var_screeninfo *var, long d);
 641 static int pm3fb_encode_var(struct fb_var_screeninfo *var,
 642                             const void *par, struct fb_info_gen *info);
 643 static void pm3fb_get_par(void *par, struct fb_info_gen *info);
 644 static void pm3fb_set_par(const void *par, struct fb_info_gen *info);
 645 static void pm3fb_set_color(struct pm3fb_info *l_fb_info,
 646                             unsigned char regno, unsigned char r,
 647                             unsigned char g, unsigned char b);
 648 static int pm3fb_getcolreg(unsigned regno, unsigned *red, unsigned *green,
 649                            unsigned *blue, unsigned *transp,
 650                            struct fb_info *info);
 651 static int pm3fb_setcolreg(unsigned regno, unsigned red, unsigned green,
 652                            unsigned blue, unsigned transp,
 653                            struct fb_info *info);
 654 static int pm3fb_blank(int blank_mode, struct fb_info_gen *info);
 655 static void pm3fb_set_disp(const void *par, struct display *disp,
 656                            struct fb_info_gen *info);
 657 static void pm3fb_detect(void);
 658 static int pm3fb_pan_display(const struct fb_var_screeninfo *var,
 659                              struct fb_info_gen *info);
 660 static int pm3fb_ioctl(struct fb_info *info, u_int cmd, u_long arg);
 661
 662
 663 /* the struct that hold them together */
 664 struct fbgen_hwswitch pm3fb_switch = {
 665         pm3fb_detect, pm3fb_encode_fix, pm3fb_decode_var, pm3fb_encode_var,
 666         pm3fb_get_par, pm3fb_set_par, pm3fb_getcolreg,
 667         pm3fb_pan_display, pm3fb_blank, pm3fb_set_disp
 668 };
 669
 670 static struct fb_ops pm3fb_ops = {
 671         .owner =        THIS_MODULE,
 672         .fb_get_fix =   fbgen_get_fix,
 673         .fb_get_var =   fbgen_get_var,
 674         .fb_set_var =   fbgen_set_var,
 675         .fb_get_cmap =  fbgen_get_cmap,
 676         .fb_set_cmap =  fbgen_set_cmap,
 677         .fb_setcolreg = pm3fb_setcolreg,
 678         .fb_pan_display =fbgen_pan_display,
 679         .fb_blank =     fbgen_blank,
 680         .fb_ioctl =     pm3fb_ioctl,
 681 };
 682
 683 #ifdef PM3FB_USE_ACCEL
 684 #ifdef FBCON_HAS_CFB32
 685 static struct display_switch pm3fb_cfb32 = {
 686         fbcon_cfb32_setup, pm3fb_cfbX_bmove, pm3fb_cfb32_clear,
 687         pm3fb_cfbX_putc, pm3fb_cfbX_putcs, pm3fb_cfbX_revc,
 688         NULL /* cursor() */ , NULL /* set_font() */ ,
 689         pm3fb_cfb32_clear_margins,
 690         FONTWIDTHRANGE(1, 16)   /* true only if accelerated... */
 691 };
 692 #endif /* FBCON_HAS_CFB32 */
 693 #ifdef FBCON_HAS_CFB16
 694 static struct display_switch pm3fb_cfb16 = {
 695         fbcon_cfb16_setup, pm3fb_cfbX_bmove, pm3fb_cfb16_clear,
 696         pm3fb_cfbX_putc, pm3fb_cfbX_putcs, pm3fb_cfbX_revc,
 697         NULL /* cursor() */ , NULL /* set_font() */ ,
 698         pm3fb_cfb16_clear_margins,
 699         FONTWIDTHRANGE(1, 16)   /* true only if accelerated... */
 700 };
 701 #endif /* FBCON_HAS_CFB16 */
 702 #ifdef FBCON_HAS_CFB8
 703 static struct display_switch pm3fb_cfb8 = {
 704         fbcon_cfb8_setup, pm3fb_cfbX_bmove, pm3fb_cfb8_clear,
 705         pm3fb_cfbX_putc, pm3fb_cfbX_putcs, pm3fb_cfbX_revc,
 706         NULL /* cursor() */ , NULL /* set_font() */ ,
 707         pm3fb_cfb8_clear_margins,
 708         FONTWIDTHRANGE(1, 16)   /* true only if accelerated... */
 709 };
 710 #endif /* FBCON_HAS_CFB8 */
 711 #endif /* PM3FB_USE_ACCEL */
 712
 713 /* ****************************** */
 714 /* ***** card-specific data ***** */
 715 /* ****************************** */
 716 struct pm3fb_card_timings {
 717         unsigned long memsize; /* 0 for last value (i.e. default) */
 718         struct pm3fb_timings memt;
 719 };
 720
 721 static struct pm3fb_card_timings t_FormacProFormance3[] = {
 722         { 16, { 0x02e311b8, 0x06100205, 0x08000002, 0x00000079, 0x00000000} },
 723         { 0, { 0x02e311b8, 0x06100205, 0x08000002, 0x00000079, 0x00000000} } /* from 16 MB PF3 */
 724 };
 725
 726 static struct pm3fb_card_timings t_AppianJeronimo2000[] = {
 727         { 32, { 0x02e311B8, 0x07424905, 0x0c000003, 0x00000061, 0x00000000} },
 728         { 0, { 0x02e311B8, 0x07424905, 0x0c000003, 0x00000061, 0x00000000} } /* from 32MB J2000 */
 729 };
 730
 731 static struct pm3fb_card_timings t_3DLabsOxygenVX1[] = {
 732         { 32, { 0x30e311b8, 0x08501204, 0x08000002, 0x0000006b, 0x00000000} },
 733         { 0, { 0x30e311b8, 0x08501204, 0x08000002, 0x0000006b, 0x00000000} } /* from 32MB VX1 */
 734 };
 735
 736 static struct {
 737                 char cardname[32]; /* recognized card name */
 738                 u16 subvendor; /* subvendor of the card */
 739                 u16 subdevice; /* subdevice of the card */
 740                 u8  func; /* function of the card to which the extra init apply */
 741                 void (*specific_setup)(struct pm3fb_info *l_fb_info); /* card/func specific setup, done before _any_ FB access */
 742         struct pm3fb_card_timings *c_memt; /* defauls timings for the boards */
 743 } cardbase[] = {
 744         { "Unknown Permedia3 board", 0xFFFF, 0xFFFF, 0xFF, NULL, NULL },
 745         { "Appian Jeronimo 2000 head 1", 0x1097, 0x3d32, 1, NULL,
 746           t_AppianJeronimo2000
 747         },
 748         { "Appian Jeronimo 2000 head 2", 0x1097, 0x3d32, 2, pm3fb_j2000_setup,
 749           t_AppianJeronimo2000
 750         },
 751         { "Formac ProFormance 3", PCI_VENDOR_ID_3DLABS, 0x000a, 0, NULL, /* Formac use 3DLabs ID ?!? */
 752           t_FormacProFormance3
 753         },
 754         { "3DLabs Permedia3 Create!", PCI_VENDOR_ID_3DLABS, 0x0127, 0, NULL, NULL },
 755         { "3DLabs Oxygen VX1 PCI", PCI_VENDOR_ID_3DLABS, 0x0121, 0, NULL,
 756           t_3DLabsOxygenVX1
 757         },
 758         { "3DLabs Oxygen VX1 AGP", PCI_VENDOR_ID_3DLABS, 0x0125, 0, NULL, NULL },
 759         { "3DLabs Oxygen VX1-16 AGP", PCI_VENDOR_ID_3DLABS, 0x0140, 0, NULL, NULL },
 760         { "3DLabs Oxygen VX1-1600SW PCI", PCI_VENDOR_ID_3DLABS, 0x0800, 0, NULL, NULL },
 761         { "\0", 0x0, 0x0, 0, NULL, NULL }
 762 };
 763
 764 /* ********************************** */
 765 /* ***** card-specific function ***** */
 766 /* ********************************** */
 767 static void pm3fb_j2000_setup(struct pm3fb_info *l_fb_info)
 768 {       /* the appian j2000 require more initialization of the second head */
 769         /* l_fb_info must point to the _second_ head of the J2000 */
 770
 771         DTRACE;
 772
 773         l_fb_info->memt = t_AppianJeronimo2000[0].memt; /* 32 MB, first and only j2000 ? */
 774
 775         pm3fb_write_memory_timings(l_fb_info);
 776 }
 777
 778 /* *************************************** */
 779 /* ***** permedia3-specific function ***** */
 780 /* *************************************** */
 781 static pm3fb_timing_result pm3fb_preserve_memory_timings(struct pm3fb_info *l_fb_info)
 782 {
 783         l_fb_info->memt.caps = PM3_READ_REG(PM3LocalMemCaps);
 784         l_fb_info->memt.timings = PM3_READ_REG(PM3LocalMemTimings);
 785         l_fb_info->memt.control = PM3_READ_REG(PM3LocalMemControl);
 786         l_fb_info->memt.refresh = PM3_READ_REG(PM3LocalMemRefresh);
 787         l_fb_info->memt.powerdown = PM3_READ_REG(PM3LocalMemPowerDown);
 788
 789         if ((l_fb_info->memt.caps == PM3FB_UNKNOWN_TIMING_VALUE) ||
 790             (l_fb_info->memt.timings == PM3FB_UNKNOWN_TIMING_VALUE) ||
 791             (l_fb_info->memt.control == PM3FB_UNKNOWN_TIMING_VALUE) ||
 792             (l_fb_info->memt.refresh == PM3FB_UNKNOWN_TIMING_VALUE) ||
 793             (l_fb_info->memt.powerdown == PM3FB_UNKNOWN_TIMING_VALUE))
 794         {
 795                 printk(KERN_ERR "pm3fb: invalid memory timings in permedia3 board #%ld\n", l_fb_info->board_num);
 796                 return(pm3fb_try_memory_timings(l_fb_info));
 797         }
 798         return(pm3fb_timing_ok);
 799 }
 800
 801 static pm3fb_timing_result pm3fb_try_memory_timings(struct pm3fb_info *l_fb_info)
 802 {
 803         if (cardbase[l_fb_info->board_type].c_memt)
 804         {
 805                 int i = 0, done = 0;
 806                 while (!done)
 807                 {
 808                         if ((cardbase[l_fb_info->board_type].c_memt[i].memsize == l_fb_info->fb_size)
 809                             || !(cardbase[l_fb_info->board_type].c_memt[i].memsize))
 810                         { /* will use the 0-sized timings by default */
 811                                 done = 1;
 812                                 l_fb_info->memt = cardbase[l_fb_info->board_type].c_memt[i].memt;
 813                                 printk(KERN_WARNING  "pm3fb: trying to use predefined memory timings for permedia3 board #%ld (%s, %ld MB)\n",
 814                                        l_fb_info->board_num,
 815                                        cardbase[l_fb_info->board_type].cardname,
 816                                        cardbase[l_fb_info->board_type].c_memt[i].memsize);
 817                                 pm3fb_write_memory_timings(l_fb_info);
 818                                 return(pm3fb_timing_retry);
 819                         }
 820                         i++;
 821                 }
 822         } else
 823                 return(pm3fb_timing_problem);
 824         return(pm3fb_timing_ok);
 825 }
 826
 827 static void pm3fb_write_memory_timings(struct pm3fb_info *l_fb_info)
 828 {
 829         unsigned char m, n, p;
 830         unsigned long clockused;
 831
 832         PM3_SLOW_WRITE_REG(PM3LocalMemCaps, l_fb_info->memt.caps);
 833         PM3_SLOW_WRITE_REG(PM3LocalMemTimings, l_fb_info->memt.timings);
 834         PM3_SLOW_WRITE_REG(PM3LocalMemControl, l_fb_info->memt.control);
 835         PM3_SLOW_WRITE_REG(PM3LocalMemRefresh, l_fb_info->memt.refresh);
 836         PM3_SLOW_WRITE_REG(PM3LocalMemPowerDown, l_fb_info->memt.powerdown);
 837
 838         clockused =
 839             pm3fb_CalculateClock(l_fb_info, 2 * 105000, PM3_REF_CLOCK, &m,
 840                                  &n, &p);
 841
 842         PM3_WRITE_DAC_REG(PM3RD_KClkPreScale, m);
 843         PM3_WRITE_DAC_REG(PM3RD_KClkFeedbackScale, n);
 844         PM3_WRITE_DAC_REG(PM3RD_KClkPostScale, p);
 845         PM3_WRITE_DAC_REG(PM3RD_KClkControl,
 846                           PM3RD_KClkControl_STATE_RUN |
 847                           PM3RD_KClkControl_SOURCE_PLL |
 848                           PM3RD_KClkControl_ENABLE);
 849         PM3_WRITE_DAC_REG(PM3RD_MClkControl,
 850                           PM3RD_MClkControl_STATE_RUN |
 851                           PM3RD_MClkControl_SOURCE_KCLK |
 852                           PM3RD_MClkControl_ENABLE);
 853         PM3_WRITE_DAC_REG(PM3RD_SClkControl,
 854                           PM3RD_SClkControl_STATE_RUN |
 855                           PM3RD_SClkControl_SOURCE_PCLK |
 856                           PM3RD_SClkControl_ENABLE);
 857 }
 858
 859 static unsigned long pm3fb_read_dac_reg(struct pm3fb_info *l_fb_info,
 860                                         unsigned long r)
 861 {
 862         DASSERT((l_fb_info->vIOBase != (unsigned char *) (-1)),
 863                 "l_fb_info->vIOBase mapped in read dac reg\n");
 864         PM3_SET_INDEX(r);
 865         mb();
 866         return (PM3_READ_REG(PM3RD_IndexedData));
 867 }
 868
 869 /* Calculating various clock parameter */
 870 static unsigned long pm3fb_CalculateClock(struct pm3fb_info *l_fb_info, unsigned long reqclock, /* In kHz units */
 871                                           unsigned long refclock,       /* In kHz units */
 872                                           unsigned char *prescale,      /* ClkPreScale */
 873                                           unsigned char *feedback,      /* ClkFeedBackScale */
 874                                           unsigned char *postscale
 875                                           /* ClkPostScale */ )
 876 {
 877         int f, pre, post;
 878         unsigned long freq;
 879         long freqerr = 1000;
 880         unsigned long actualclock = 0;
 881
 882         DTRACE;
 883
 884         for (f = 1; f < 256; f++) {
 885                 for (pre = 1; pre < 256; pre++) {
 886                         for (post = 0; post < 5; post++) {
 887                                 freq =
 888                                     ((2 * refclock * f) /
 889                                      (pre * (1 << post)));
 890                                 if ((reqclock > freq - freqerr)
 891                                     && (reqclock < freq + freqerr)) {
 892                                         freqerr =
 893                                             (reqclock >
 894                                              freq) ? reqclock -
 895                                             freq : freq - reqclock;
 896                                         *feedback = f;
 897                                         *prescale = pre;
 898                                         *postscale = post;
 899                                         actualclock = freq;
 900                                 }
 901                         }
 902                 }
 903         }
 904
 905         return (actualclock);
 906 }
 907
 908 static int pm3fb_Shiftbpp(struct pm3fb_info *l_fb_info,
 909                           unsigned long depth, int v)
 910 {
 911         DTRACE;
 912
 913         switch (depth) {
 914         case 8:
 915                 return (v >> 4);
 916         case 12:
 917         case 15:
 918         case 16:
 919                 return (v >> 3);
 920         case 32:
 921                 return (v >> 2);
 922         }
 923         DPRINTK(1, "Unsupported depth %ld\n", depth);
 924         return (0);
 925 }
 926
 927 static int pm3fb_Unshiftbpp(struct pm3fb_info *l_fb_info,
 928                             unsigned long depth, int v)
 929 {
 930         DTRACE;
 931
 932         switch (depth) {
 933         case 8:
 934                 return (v << 4);
 935         case 12:
 936         case 15:
 937         case 16:
 938                 return (v << 3);
 939         case 32:
 940                 return (v << 2);
 941         }
 942         DPRINTK(1, "Unsupported depth %ld\n", depth);
 943         return (0);
 944 }
 945
 946 static void pm3fb_mapIO(struct pm3fb_info *l_fb_info)
 947 {
 948         DTRACE;
 949
 950         l_fb_info->vIOBase =
 951             ioremap((unsigned long) l_fb_info->pIOBase, PM3_REGS_SIZE);
 952         l_fb_info->v_fb =
 953             ioremap((unsigned long) l_fb_info->p_fb, l_fb_info->fb_size);
 954         DPRINTK(2, "IO mapping : IOBase %lx / %lx, fb %lx / %lx\n",
 955                 (unsigned long) l_fb_info->pIOBase,
 956                 (unsigned long) l_fb_info->vIOBase,
 957                 (unsigned long) l_fb_info->p_fb,
 958                 (unsigned long) l_fb_info->v_fb);
 959 }
 960
 961 static void pm3fb_unmapIO(struct pm3fb_info *l_fb_info)
 962 {
 963         DTRACE;
 964
 965         iounmap(l_fb_info->vIOBase);
 966         iounmap(l_fb_info->v_fb);
 967         l_fb_info->vIOBase = (unsigned char *) -1;
 968         l_fb_info->v_fb = (unsigned char *) -1;
 969 }
 970
 971 #if defined(PM3FB_MASTER_DEBUG) && (PM3FB_MASTER_DEBUG >= 2)
 972 static void pm3fb_show_cur_mode(struct pm3fb_info *l_fb_info)
 973 {
 974         DPRINTK(2, "PM3Aperture0: 0x%08x\n", PM3_READ_REG(PM3Aperture0));
 975         DPRINTK(2, "PM3Aperture1: 0x%08x\n", PM3_READ_REG(PM3Aperture1));
 976         DPRINTK(2, "PM3ByAperture1Mode: 0x%08x\n",
 977                 PM3_READ_REG(PM3ByAperture1Mode));
 978         DPRINTK(2, "PM3ByAperture2Mode: 0x%08x\n",
 979                 PM3_READ_REG(PM3ByAperture2Mode));
 980         DPRINTK(2, "PM3ChipConfig: 0x%08x\n", PM3_READ_REG(PM3ChipConfig));
 981         DPRINTK(2, "PM3FIFODis: 0x%08x\n", PM3_READ_REG(PM3FIFODis));
 982         DPRINTK(2, "PM3HTotal: 0x%08x\n", PM3_READ_REG(PM3HTotal));
 983         DPRINTK(2, "PM3HbEnd: 0x%08x\n", PM3_READ_REG(PM3HbEnd));
 984         DPRINTK(2, "PM3HgEnd: 0x%08x\n", PM3_READ_REG(PM3HgEnd));
 985         DPRINTK(2, "PM3HsEnd: 0x%08x\n", PM3_READ_REG(PM3HsEnd));
 986         DPRINTK(2, "PM3HsStart: 0x%08x\n", PM3_READ_REG(PM3HsStart));
 987         DPRINTK(2, "PM3MemBypassWriteMask: 0x%08x\n",
 988                 PM3_READ_REG(PM3MemBypassWriteMask));
 989         DPRINTK(2, "PM3RD_IndexControl: 0x%08x\n",
 990                 PM3_READ_REG(PM3RD_IndexControl));
 991         DPRINTK(2, "PM3ScreenBase: 0x%08x\n", PM3_READ_REG(PM3ScreenBase));
 992         DPRINTK(2, "PM3ScreenStride: 0x%08x\n",
 993                 PM3_READ_REG(PM3ScreenStride));
 994         DPRINTK(2, "PM3VClkCtl: 0x%08x\n", PM3_READ_REG(PM3VClkCtl));
 995         DPRINTK(2, "PM3VTotal: 0x%08x\n", PM3_READ_REG(PM3VTotal));
 996         DPRINTK(2, "PM3VbEnd: 0x%08x\n", PM3_READ_REG(PM3VbEnd));
 997         DPRINTK(2, "PM3VideoControl: 0x%08x\n",
 998                 PM3_READ_REG(PM3VideoControl));
 999         DPRINTK(2, "PM3VsEnd: 0x%08x\n", PM3_READ_REG(PM3VsEnd));
1000         DPRINTK(2, "PM3VsStart: 0x%08x\n", PM3_READ_REG(PM3VsStart));
1001
1002         DPRINTK(2, "PM3RD_ColorFormat: %ld\n",
1003                 PM3_READ_DAC_REG(PM3RD_ColorFormat));
1004         DPRINTK(2, "PM3RD_DACControl: %ld\n",
1005                 PM3_READ_DAC_REG(PM3RD_DACControl));
1006         DPRINTK(2, "PM3RD_DClk0FeedbackScale: %ld\n",
1007                 PM3_READ_DAC_REG(PM3RD_DClk0FeedbackScale));
1008         DPRINTK(2, "PM3RD_DClk0PostScale: %ld\n",
1009                 PM3_READ_DAC_REG(PM3RD_DClk0PostScale));
1010         DPRINTK(2, "PM3RD_DClk0PreScale: %ld\n",
1011                 PM3_READ_DAC_REG(PM3RD_DClk0PreScale));
1012         DPRINTK(2, "[not set] PM3RD_IndexControl: %ld\n",
1013                 PM3_READ_DAC_REG(PM3RD_IndexControl));
1014         DPRINTK(2, "PM3RD_MiscControl: %ld\n",
1015                 PM3_READ_DAC_REG(PM3RD_MiscControl));
1016         DPRINTK(2, "PM3RD_PixelSize: %ld\n",
1017                 PM3_READ_DAC_REG(PM3RD_PixelSize));
1018         DPRINTK(2, "PM3RD_SyncControl: %ld\n",
1019                 PM3_READ_DAC_REG(PM3RD_SyncControl));
1020 }
1021
1022 #endif /* defined(PM3FB_MASTER_DEBUG) && (PM3FB_MASTER_DEBUG >= 2) */
1023 static void pm3fb_show_cur_timing(struct pm3fb_info *l_fb_info)
1024 {
1025         u16 subvendor, subdevice;
1026
1027         if ((!pci_read_config_word
1028              (l_fb_info->dev, PCI_SUBSYSTEM_VENDOR_ID, &subvendor))
1029             &&
1030             (!pci_read_config_word
1031              (l_fb_info->dev, PCI_SUBSYSTEM_ID, &subdevice))) {
1032                 /* well, nothing... */
1033         } else {
1034                 subvendor = subdevice = (u16)-1;
1035         }
1036
1037         printk(KERN_INFO "pm3fb: memory timings for board #%ld (subvendor: 0x%hx, subdevice: 0x%hx)\n", l_fb_info->board_num, subvendor, subdevice);
1038         printk(KERN_INFO " PM3LocalMemCaps: 0x%08x\n",
1039                PM3_READ_REG(PM3LocalMemCaps));
1040         printk(KERN_INFO " PM3LocalMemTimings: 0x%08x\n",
1041                PM3_READ_REG(PM3LocalMemTimings));
1042         printk(KERN_INFO " PM3LocalMemControl: 0x%08x\n",
1043                PM3_READ_REG(PM3LocalMemControl));
1044         printk(KERN_INFO " PM3LocalMemRefresh: 0x%08x\n",
1045                PM3_READ_REG(PM3LocalMemRefresh));
1046         printk(KERN_INFO " PM3LocalMemPowerDown: 0x%08x\n",
1047                PM3_READ_REG(PM3LocalMemPowerDown));
1048 }
1049
1050 /* write the mode to registers */
1051 static void pm3fb_write_mode(struct pm3fb_info *l_fb_info)
1052 {
1053         char tempsync = 0x00, tempmisc = 0x00;
1054         DTRACE;
1055
1056         PM3_SLOW_WRITE_REG(PM3MemBypassWriteMask, 0xffffffff);
1057         PM3_SLOW_WRITE_REG(PM3Aperture0, 0x00000000);
1058         PM3_SLOW_WRITE_REG(PM3Aperture1, 0x00000000);
1059         PM3_SLOW_WRITE_REG(PM3FIFODis, 0x00000007);
1060
1061         PM3_SLOW_WRITE_REG(PM3HTotal,
1062                            pm3fb_Shiftbpp(l_fb_info,
1063                                           l_fb_info->current_par->depth,
1064                                           l_fb_info->current_par->htotal -
1065                                           1));
1066         PM3_SLOW_WRITE_REG(PM3HsEnd,
1067                            pm3fb_Shiftbpp(l_fb_info,
1068                                           l_fb_info->current_par->depth,
1069                                           l_fb_info->current_par->hsend));
1070         PM3_SLOW_WRITE_REG(PM3HsStart,
1071                            pm3fb_Shiftbpp(l_fb_info,
1072                                           l_fb_info->current_par->depth,
1073                                           l_fb_info->current_par->
1074                                           hsstart));
1075         PM3_SLOW_WRITE_REG(PM3HbEnd,
1076                            pm3fb_Shiftbpp(l_fb_info,
1077                                           l_fb_info->current_par->depth,
1078                                           l_fb_info->current_par->hbend));
1079         PM3_SLOW_WRITE_REG(PM3HgEnd,
1080                            pm3fb_Shiftbpp(l_fb_info,
1081                                           l_fb_info->current_par->depth,
1082                                           l_fb_info->current_par->hbend));
1083         PM3_SLOW_WRITE_REG(PM3ScreenStride,
1084                            pm3fb_Shiftbpp(l_fb_info,
1085                                           l_fb_info->current_par->depth,
1086                                           l_fb_info->current_par->stride));
1087         PM3_SLOW_WRITE_REG(PM3VTotal, l_fb_info->current_par->vtotal - 1);
1088         PM3_SLOW_WRITE_REG(PM3VsEnd, l_fb_info->current_par->vsend - 1);
1089         PM3_SLOW_WRITE_REG(PM3VsStart,
1090                            l_fb_info->current_par->vsstart - 1);
1091         PM3_SLOW_WRITE_REG(PM3VbEnd, l_fb_info->current_par->vbend);
1092
1093         switch (l_fb_info->current_par->depth) {
1094         case 8:
1095                 PM3_SLOW_WRITE_REG(PM3ByAperture1Mode,
1096                                    PM3ByApertureMode_PIXELSIZE_8BIT);
1097                 PM3_SLOW_WRITE_REG(PM3ByAperture2Mode,
1098                                    PM3ByApertureMode_PIXELSIZE_8BIT);
1099                 break;
1100
1101         case 12:
1102         case 15:
1103         case 16:
1104 #ifndef __BIG_ENDIAN
1105                 PM3_SLOW_WRITE_REG(PM3ByAperture1Mode,
1106                                    PM3ByApertureMode_PIXELSIZE_16BIT);
1107                 PM3_SLOW_WRITE_REG(PM3ByAperture2Mode,
1108                                    PM3ByApertureMode_PIXELSIZE_16BIT);
1109 #else
1110                 PM3_SLOW_WRITE_REG(PM3ByAperture1Mode,
1111                                    PM3ByApertureMode_PIXELSIZE_16BIT |
1112                                    PM3ByApertureMode_BYTESWAP_BADC);
1113                 PM3_SLOW_WRITE_REG(PM3ByAperture2Mode,
1114                                    PM3ByApertureMode_PIXELSIZE_16BIT |
1115                                    PM3ByApertureMode_BYTESWAP_BADC);
1116 #endif /* ! __BIG_ENDIAN */
1117                 break;
1118
1119         case 32:
1120 #ifndef __BIG_ENDIAN
1121                 PM3_SLOW_WRITE_REG(PM3ByAperture1Mode,
1122                                    PM3ByApertureMode_PIXELSIZE_32BIT);
1123                 PM3_SLOW_WRITE_REG(PM3ByAperture2Mode,
1124                                    PM3ByApertureMode_PIXELSIZE_32BIT);
1125 #else
1126                 PM3_SLOW_WRITE_REG(PM3ByAperture1Mode,
1127                                    PM3ByApertureMode_PIXELSIZE_32BIT |
1128                                    PM3ByApertureMode_BYTESWAP_DCBA);
1129                 PM3_SLOW_WRITE_REG(PM3ByAperture2Mode,
1130                                    PM3ByApertureMode_PIXELSIZE_32BIT |
1131                                    PM3ByApertureMode_BYTESWAP_DCBA);
1132 #endif /* ! __BIG_ENDIAN */
1133                 break;
1134
1135         default:
1136                 DPRINTK(1, "Unsupported depth %d\n",
1137                         l_fb_info->current_par->depth);
1138                 break;
1139         }
1140
1141         /*
1142          * Oxygen VX1 - it appears that setting PM3VideoControl and
1143          * then PM3RD_SyncControl to the same SYNC settings undoes
1144          * any net change - they seem to xor together.  Only set the
1145          * sync options in PM3RD_SyncControl.  --rmk
1146          */
1147         {
1148                 unsigned int video = l_fb_info->current_par->video;
1149
1150                 video &= ~(PM3VideoControl_HSYNC_MASK |
1151                            PM3VideoControl_VSYNC_MASK);
1152                 video |= PM3VideoControl_HSYNC_ACTIVE_HIGH |
1153                          PM3VideoControl_VSYNC_ACTIVE_HIGH;
1154                 PM3_SLOW_WRITE_REG(PM3VideoControl, video);
1155         }
1156         PM3_SLOW_WRITE_REG(PM3VClkCtl,
1157                            (PM3_READ_REG(PM3VClkCtl) & 0xFFFFFFFC));
1158         PM3_SLOW_WRITE_REG(PM3ScreenBase, l_fb_info->current_par->base);
1159         PM3_SLOW_WRITE_REG(PM3ChipConfig,
1160                            (PM3_READ_REG(PM3ChipConfig) & 0xFFFFFFFD));
1161
1162         {
1163                 unsigned char m;        /* ClkPreScale */
1164                 unsigned char n;        /* ClkFeedBackScale */
1165                 unsigned char p;        /* ClkPostScale */
1166                 (void)pm3fb_CalculateClock(l_fb_info, l_fb_info->current_par->pixclock, PM3_REF_CLOCK, &m, &n, &p);
1167
1168                 DPRINTK(2,
1169                         "Pixclock: %d, Pre: %d, Feedback: %d, Post: %d\n",
1170                         l_fb_info->current_par->pixclock, (int) m, (int) n,
1171                         (int) p);
1172
1173                 PM3_WRITE_DAC_REG(PM3RD_DClk0PreScale, m);
1174                 PM3_WRITE_DAC_REG(PM3RD_DClk0FeedbackScale, n);
1175                 PM3_WRITE_DAC_REG(PM3RD_DClk0PostScale, p);
1176         }
1177         /*
1178            PM3_WRITE_DAC_REG(PM3RD_IndexControl, 0x00);
1179          */
1180         /*
1181            PM3_SLOW_WRITE_REG(PM3RD_IndexControl, 0x00);
1182          */
1183         if ((l_fb_info->current_par->video & PM3VideoControl_HSYNC_MASK) ==
1184             PM3VideoControl_HSYNC_ACTIVE_HIGH)
1185                 tempsync |= PM3RD_SyncControl_HSYNC_ACTIVE_HIGH;
1186         if ((l_fb_info->current_par->video & PM3VideoControl_VSYNC_MASK) ==
1187             PM3VideoControl_VSYNC_ACTIVE_HIGH)
1188                 tempsync |= PM3RD_SyncControl_VSYNC_ACTIVE_HIGH;
1189
1190         PM3_WRITE_DAC_REG(PM3RD_SyncControl, tempsync);
1191         DPRINTK(2, "PM3RD_SyncControl: %d\n", tempsync);
1192
1193         if (flatpanel[l_fb_info->board_num])
1194         {
1195                 PM3_WRITE_DAC_REG(PM3RD_DACControl, PM3RD_DACControl_BLANK_PEDESTAL_ENABLE);
1196                 PM3_WAIT(2);
1197                 PM3_WRITE_REG(PM3VSConfiguration, 0x06);
1198                 PM3_WRITE_REG(0x5a00, 1 << 14); /* black magic... */
1199                 tempmisc = PM3RD_MiscControl_VSB_OUTPUT_ENABLE;
1200         }
1201         else
1202                 PM3_WRITE_DAC_REG(PM3RD_DACControl, 0x00);
1203
1204         switch (l_fb_info->current_par->depth) {
1205         case 8:
1206                 PM3_WRITE_DAC_REG(PM3RD_PixelSize,
1207                                   PM3RD_PixelSize_8_BIT_PIXELS);
1208                 PM3_WRITE_DAC_REG(PM3RD_ColorFormat,
1209                                   PM3RD_ColorFormat_CI8_COLOR |
1210                                   PM3RD_ColorFormat_COLOR_ORDER_BLUE_LOW);
1211                 tempmisc |= PM3RD_MiscControl_HIGHCOLOR_RES_ENABLE;
1212                 break;
1213         case 12:
1214                 PM3_WRITE_DAC_REG(PM3RD_PixelSize,
1215                                   PM3RD_PixelSize_16_BIT_PIXELS);
1216                 PM3_WRITE_DAC_REG(PM3RD_ColorFormat,
1217                                   PM3RD_ColorFormat_4444_COLOR |
1218                                   PM3RD_ColorFormat_COLOR_ORDER_BLUE_LOW |
1219                                   PM3RD_ColorFormat_LINEAR_COLOR_EXT_ENABLE);
1220                 tempmisc |= PM3RD_MiscControl_DIRECTCOLOR_ENABLE |
1221                         PM3RD_MiscControl_HIGHCOLOR_RES_ENABLE;
1222                 break;
1223         case 15:
1224                 PM3_WRITE_DAC_REG(PM3RD_PixelSize,
1225                                   PM3RD_PixelSize_16_BIT_PIXELS);
1226                 PM3_WRITE_DAC_REG(PM3RD_ColorFormat,
1227                                   PM3RD_ColorFormat_5551_FRONT_COLOR |
1228                                   PM3RD_ColorFormat_COLOR_ORDER_BLUE_LOW |
1229                                   PM3RD_ColorFormat_LINEAR_COLOR_EXT_ENABLE);
1230                 tempmisc |= PM3RD_MiscControl_DIRECTCOLOR_ENABLE |
1231                         PM3RD_MiscControl_HIGHCOLOR_RES_ENABLE;
1232                 break;
1233         case 16:
1234                 PM3_WRITE_DAC_REG(PM3RD_PixelSize,
1235                                   PM3RD_PixelSize_16_BIT_PIXELS);
1236                 PM3_WRITE_DAC_REG(PM3RD_ColorFormat,
1237                                   PM3RD_ColorFormat_565_FRONT_COLOR |
1238                                   PM3RD_ColorFormat_COLOR_ORDER_BLUE_LOW |
1239                                   PM3RD_ColorFormat_LINEAR_COLOR_EXT_ENABLE);
1240                 tempmisc |= PM3RD_MiscControl_DIRECTCOLOR_ENABLE |
1241                         PM3RD_MiscControl_HIGHCOLOR_RES_ENABLE;
1242                 break;
1243         case 32:
1244                 PM3_WRITE_DAC_REG(PM3RD_PixelSize,
1245                                   PM3RD_PixelSize_32_BIT_PIXELS);
1246                 PM3_WRITE_DAC_REG(PM3RD_ColorFormat,
1247                                   PM3RD_ColorFormat_8888_COLOR |
1248                                   PM3RD_ColorFormat_COLOR_ORDER_BLUE_LOW);
1249                 tempmisc |= PM3RD_MiscControl_DIRECTCOLOR_ENABLE |
1250                         PM3RD_MiscControl_HIGHCOLOR_RES_ENABLE;
1251                 break;
1252         }
1253         PM3_WRITE_DAC_REG(PM3RD_MiscControl, tempmisc);
1254
1255         PM3_SHOW_CUR_MODE;
1256 }
1257
1258 static void pm3fb_read_mode(struct pm3fb_info *l_fb_info,
1259                             struct pm3fb_par *curpar)
1260 {
1261         unsigned long pixsize1, pixsize2, clockused;
1262         unsigned long pre, feedback, post;
1263
1264         DTRACE;
1265
1266         clockused = PM3_READ_REG(PM3VClkCtl);
1267
1268         switch (clockused) {
1269         case 3:
1270                 pre = PM3_READ_DAC_REG(PM3RD_DClk3PreScale);
1271                 feedback = PM3_READ_DAC_REG(PM3RD_DClk3FeedbackScale);
1272                 post = PM3_READ_DAC_REG(PM3RD_DClk3PostScale);
1273
1274                 DPRINTK(2,
1275                         "DClk3 parameter: Pre: %ld, Feedback: %ld, Post: %ld ; giving pixclock: %ld\n",
1276                         pre, feedback, post, PM3_SCALE_TO_CLOCK(pre,
1277                                                                 feedback,
1278                                                                 post));
1279                 break;
1280         case 2:
1281                 pre = PM3_READ_DAC_REG(PM3RD_DClk2PreScale);
1282                 feedback = PM3_READ_DAC_REG(PM3RD_DClk2FeedbackScale);
1283                 post = PM3_READ_DAC_REG(PM3RD_DClk2PostScale);
1284
1285                 DPRINTK(2,
1286                         "DClk2 parameter: Pre: %ld, Feedback: %ld, Post: %ld ; giving pixclock: %ld\n",
1287                         pre, feedback, post, PM3_SCALE_TO_CLOCK(pre,
1288                                                                 feedback,
1289                                                                 post));
1290                 break;
1291         case 1:
1292                 pre = PM3_READ_DAC_REG(PM3RD_DClk1PreScale);
1293                 feedback = PM3_READ_DAC_REG(PM3RD_DClk1FeedbackScale);
1294                 post = PM3_READ_DAC_REG(PM3RD_DClk1PostScale);
1295
1296                 DPRINTK(2,
1297                         "DClk1 parameter: Pre: %ld, Feedback: %ld, Post: %ld ; giving pixclock: %ld\n",
1298                         pre, feedback, post, PM3_SCALE_TO_CLOCK(pre,
1299                                                                 feedback,
1300                                                                 post));
1301                 break;
1302         case 0:
1303                 pre = PM3_READ_DAC_REG(PM3RD_DClk0PreScale);
1304                 feedback = PM3_READ_DAC_REG(PM3RD_DClk0FeedbackScale);
1305                 post = PM3_READ_DAC_REG(PM3RD_DClk0PostScale);
1306
1307                 DPRINTK(2,
1308                         "DClk0 parameter: Pre: %ld, Feedback: %ld, Post: %ld ; giving pixclock: %ld\n",
1309                         pre, feedback, post, PM3_SCALE_TO_CLOCK(pre,
1310                                                                 feedback,
1311                                                                 post));
1312                 break;
1313         default:
1314                 pre = feedback = post = 0;
1315                 DPRINTK(1, "Unknowk D clock used : %ld\n", clockused);
1316                 break;
1317         }
1318
1319         curpar->pixclock = PM3_SCALE_TO_CLOCK(pre, feedback, post);
1320
1321         pixsize1 =
1322             PM3ByApertureMode_PIXELSIZE_MASK &
1323             (PM3_READ_REG(PM3ByAperture1Mode));
1324         pixsize2 =
1325             PM3ByApertureMode_PIXELSIZE_MASK &
1326             (PM3_READ_REG(PM3ByAperture2Mode));
1327
1328         DASSERT((pixsize1 == pixsize2),
1329                 "pixsize the same in both aperture\n");
1330
1331         if (pixsize1 & PM3ByApertureMode_PIXELSIZE_32BIT)
1332                 curpar->depth = 32;
1333         else if (pixsize1 & PM3ByApertureMode_PIXELSIZE_16BIT)
1334         {
1335                 curpar->depth = 16;
1336         }
1337         else
1338                 curpar->depth = 8;
1339
1340         /* not sure if I need to add one on the next ; it give better result with */
1341         curpar->htotal =
1342             pm3fb_Unshiftbpp(l_fb_info, curpar->depth,
1343                              1 + PM3_READ_REG(PM3HTotal));
1344         curpar->hsend =
1345             pm3fb_Unshiftbpp(l_fb_info, curpar->depth,
1346                              PM3_READ_REG(PM3HsEnd));
1347         curpar->hsstart =
1348             pm3fb_Unshiftbpp(l_fb_info, curpar->depth,
1349                              PM3_READ_REG(PM3HsStart));
1350         curpar->hbend =
1351             pm3fb_Unshiftbpp(l_fb_info, curpar->depth,
1352                              PM3_READ_REG(PM3HbEnd));
1353
1354         curpar->stride =
1355             pm3fb_Unshiftbpp(l_fb_info, curpar->depth,
1356                              PM3_READ_REG(PM3ScreenStride));
1357
1358         curpar->vtotal = 1 + PM3_READ_REG(PM3VTotal);
1359         curpar->vsend = 1 + PM3_READ_REG(PM3VsEnd);
1360         curpar->vsstart = 1 + PM3_READ_REG(PM3VsStart);
1361         curpar->vbend = PM3_READ_REG(PM3VbEnd);
1362
1363         curpar->video = PM3_READ_REG(PM3VideoControl);
1364
1365         curpar->base = PM3_READ_REG(PM3ScreenBase);
1366         curpar->width = curpar->htotal - curpar->hbend; /* make virtual == displayed resolution */
1367         curpar->height = curpar->vtotal - curpar->vbend;
1368
1369         DPRINTK(2, "Found : %d * %d, %d Khz, stride is %08x\n",
1370                 curpar->width, curpar->height, curpar->pixclock,
1371                 curpar->stride);
1372 }
1373
1374 static unsigned long pm3fb_size_memory(struct pm3fb_info *l_fb_info)
1375 {
1376         unsigned long memsize = 0, tempBypass, i, temp1, temp2;
1377         u16 subvendor, subdevice;
1378         pm3fb_timing_result ptr;
1379
1380         DTRACE;
1381
1382         l_fb_info->fb_size = 64 * 1024 * 1024;  /* pm3 aperture always 64 MB */
1383         pm3fb_mapIO(l_fb_info); /* temporary map IO */
1384
1385         DASSERT((l_fb_info->vIOBase != NULL),
1386                 "IO successfully mapped before mem detect\n");
1387         DASSERT((l_fb_info->v_fb != NULL),
1388                 "FB successfully mapped before mem detect\n");
1389
1390         /* card-specific stuff, *before* accessing *any* FB memory */
1391         if ((!pci_read_config_word
1392              (l_fb_info->dev, PCI_SUBSYSTEM_VENDOR_ID, &subvendor))
1393             &&
1394             (!pci_read_config_word
1395              (l_fb_info->dev, PCI_SUBSYSTEM_ID, &subdevice))) {
1396                 i = 0; l_fb_info->board_type = 0;
1397                 while ((cardbase[i].cardname[0]) && !(l_fb_info->board_type)) {
1398                         if ((cardbase[i].subvendor == subvendor) &&
1399                             (cardbase[i].subdevice == subdevice) &&
1400                             (cardbase[i].func == PCI_FUNC(l_fb_info->dev->devfn))) {
1401                                 DPRINTK(2, "Card #%ld is an %s\n",
1402                                         l_fb_info->board_num,
1403                                         cardbase[i].cardname);
1404                                 if (cardbase[i].specific_setup)
1405                                         cardbase[i].specific_setup(l_fb_info);
1406                                 l_fb_info->board_type = i;
1407                         }
1408                         i++;
1409                 }
1410                 if (!l_fb_info->board_type) {
1411                         DPRINTK(1, "Card #%ld is an unknown 0x%04x / 0x%04x\n",
1412                                 l_fb_info->board_num, subvendor, subdevice);
1413                 }
1414         } else {
1415                 printk(KERN_ERR "pm3fb: Error: pci_read_config_word failed, board #%ld\n",
1416                        l_fb_info->board_num);
1417         }
1418
1419         if (printtimings)
1420                 pm3fb_show_cur_timing(l_fb_info);
1421
1422         /* card-specific setup is done, we preserve the final
1423            memory timing for future reference */
1424         if ((ptr = pm3fb_preserve_memory_timings(l_fb_info)) == pm3fb_timing_problem) { /* memory timings were wrong ! oops.... */
1425                 return(0);
1426         }
1427
1428         tempBypass = PM3_READ_REG(PM3MemBypassWriteMask);
1429
1430         DPRINTK(2, "PM3MemBypassWriteMask was: 0x%08lx\n", tempBypass);
1431
1432         PM3_SLOW_WRITE_REG(PM3MemBypassWriteMask, 0xFFFFFFFF);
1433
1434         /* pm3 split up memory, replicates, and do a lot of nasty stuff IMHO ;-) */
1435         for (i = 0; i < 32; i++) {
1436                 fb_writel(i * 0x00345678,
1437                           (l_fb_info->v_fb + (i * 1048576)));
1438                 mb();
1439                 temp1 = fb_readl((l_fb_info->v_fb + (i * 1048576)));
1440
1441                 /* Let's check for wrapover, write will fail at 16MB boundary */
1442                 if (temp1 == (i * 0x00345678))
1443                         memsize = i;
1444                 else
1445                         break;
1446         }
1447
1448         DPRINTK(2, "First detect pass already got %ld MB\n", memsize + 1);
1449
1450         if (memsize == i) {
1451                 for (i = 0; i < 32; i++) {
1452                         /* Clear first 32MB ; 0 is 0, no need to byteswap */
1453                         writel(0x0000000,
1454                                (l_fb_info->v_fb + (i * 1048576)));
1455                         mb();
1456                 }
1457
1458                 for (i = 32; i < 64; i++) {
1459                         fb_writel(i * 0x00345678,
1460                                   (l_fb_info->v_fb + (i * 1048576)));
1461                         mb();
1462                         temp1 =
1463                             fb_readl((l_fb_info->v_fb + (i * 1048576)));
1464                         temp2 =
1465                             fb_readl((l_fb_info->v_fb +
1466                                       ((i - 32) * 1048576)));
1467                         if ((temp1 == (i * 0x00345678)) && (temp2 == 0))        /* different value, different RAM... */
1468                                 memsize = i;
1469                         else
1470                                 break;
1471                 }
1472         }
1473
1474         DPRINTK(2, "Second detect pass got %ld MB\n", memsize + 1);
1475
1476         PM3_SLOW_WRITE_REG(PM3MemBypassWriteMask, tempBypass);
1477
1478         pm3fb_unmapIO(l_fb_info);
1479         memsize = 1048576 * (memsize + 1);
1480
1481         DPRINTK(2, "Returning 0x%08lx bytes\n", memsize);
1482
1483         if (forcesize[l_fb_info->board_num] && ((forcesize[l_fb_info->board_num] * 1048576) != memsize))
1484         {
1485                 printk(KERN_WARNING "pm3fb: mismatch between probed (%ld MB) and specified (%hd MB) memory size, using SPECIFIED !\n", memsize, forcesize[l_fb_info->board_num]);
1486                 memsize = 1048576 * forcesize[l_fb_info->board_num];
1487         }
1488
1489         l_fb_info->fb_size = memsize;
1490
1491         if (ptr == pm3fb_timing_retry)
1492         {
1493                 printk(KERN_WARNING "pm3fb: retrying memory timings check");
1494                 if (pm3fb_try_memory_timings(l_fb_info) == pm3fb_timing_problem)
1495                         return(0);
1496         }
1497
1498         return (memsize);
1499 }
1500
1501 static void pm3fb_clear_memory(struct pm3fb_info *l_fb_info, u32 cc)
1502 {
1503         int i;
1504
1505         DTRACE;
1506
1507         for (i = 0; i < (l_fb_info->fb_size / sizeof(u32)) ; i++) /* clear entire FB memory to black */
1508         {
1509                 fb_writel(cc, (l_fb_info->v_fb + (i * sizeof(u32))));
1510         }
1511 }
1512
1513 static void pm3fb_clear_colormap(struct pm3fb_info *l_fb_info, unsigned char r, unsigned char g, unsigned char b)
1514 {
1515         int i;
1516
1517         DTRACE;
1518
1519         for (i = 0; i < 256 ; i++) /* fill color map with white */
1520                 pm3fb_set_color(l_fb_info, i, r, g, b);
1521
1522 }
1523
1524 /* common initialisation */
1525 static void pm3fb_common_init(struct pm3fb_info *l_fb_info)
1526 {
1527         DTRACE;
1528
1529         DPRINTK(2, "Initializing board #%ld @ %lx\n", l_fb_info->board_num,
1530                 (unsigned long) l_fb_info);
1531
1532         strcpy(l_fb_info->gen.info.modename, permedia3_name);
1533         disp[l_fb_info->board_num].scrollmode = 0;      /* SCROLL_YNOMOVE; *//* 0 means "let fbcon choose" */
1534         l_fb_info->gen.parsize = sizeof(struct pm3fb_par);
1535         l_fb_info->gen.info.changevar = NULL;
1536         l_fb_info->gen.info.fbops = &pm3fb_ops;
1537         l_fb_info->gen.info.disp = &(disp[l_fb_info->board_num]);
1538         if (fontn[l_fb_info->board_num][0])
1539                 strcpy(l_fb_info->gen.info.fontname,
1540                        fontn[l_fb_info->board_num]);
1541         l_fb_info->gen.info.switch_con = &fbgen_switch;
1542         l_fb_info->gen.info.updatevar = &fbgen_update_var;      /* */
1543         l_fb_info->gen.info.flags = FBINFO_FLAG_DEFAULT;
1544
1545         pm3fb_mapIO(l_fb_info);
1546
1547         pm3fb_clear_memory(l_fb_info, 0);
1548         pm3fb_clear_colormap(l_fb_info, 0, 0, 0);
1549
1550         (void) fbgen_get_var(&(disp[l_fb_info->board_num]).var, -1,
1551                              &l_fb_info->gen.info);
1552
1553         if (depth[l_fb_info->board_num]) /* override mode-defined depth */
1554         {
1555                 pm3fb_encode_depth(&(disp[l_fb_info->board_num]).var, depth[l_fb_info->board_num]);
1556                 (disp[l_fb_info->board_num]).var.bits_per_pixel = depth2bpp(depth[l_fb_info->board_num]);
1557         }
1558
1559         (void) fbgen_do_set_var(&(disp[l_fb_info->board_num]).var, 1,
1560                                 &l_fb_info->gen);
1561
1562         fbgen_set_disp(-1, &l_fb_info->gen);
1563
1564         do_install_cmap(0, &l_fb_info->gen.info);
1565
1566         if (register_framebuffer(&l_fb_info->gen.info) < 0) {
1567                 DPRINTK(1, "Couldn't register framebuffer\n");
1568                 return;
1569         }
1570
1571         PM3_WRITE_DAC_REG(PM3RD_CursorMode,
1572                           PM3RD_CursorMode_CURSOR_DISABLE);
1573
1574         PM3_SHOW_CUR_MODE;
1575
1576         pm3fb_write_mode(l_fb_info);
1577
1578         printk("fb%d: %s, using %uK of video memory (%s)\n",
1579                l_fb_info->gen.info.node,
1580                permedia3_name, (u32) (l_fb_info->fb_size >> 10),
1581                cardbase[l_fb_info->board_type].cardname);
1582 }
1583
1584 /* **************************************************** */
1585 /* ***** accelerated permedia3-specific functions ***** */
1586 /* **************************************************** */
1587 #ifdef PM3FB_USE_ACCEL
1588 static void pm3fb_wait_pm3(struct pm3fb_info *l_fb_info)
1589 {
1590         DTRACE;
1591
1592         PM3_SLOW_WRITE_REG(PM3FilterMode, PM3FilterModeSync);
1593         PM3_SLOW_WRITE_REG(PM3Sync, 0);
1594         mb();
1595         do {
1596                 while ((PM3_READ_REG(PM3OutFIFOWords)) == 0);
1597                 rmb();
1598         } while ((PM3_READ_REG(PM3OutputFifo)) != PM3Sync_Tag);
1599 }
1600
1601 static void pm3fb_init_engine(struct pm3fb_info *l_fb_info)
1602 {
1603         PM3_SLOW_WRITE_REG(PM3FilterMode, PM3FilterModeSync);
1604         PM3_SLOW_WRITE_REG(PM3StatisticMode, 0x0);
1605         PM3_SLOW_WRITE_REG(PM3DeltaMode, 0x0);
1606         PM3_SLOW_WRITE_REG(PM3RasterizerMode, 0x0);
1607         PM3_SLOW_WRITE_REG(PM3ScissorMode, 0x0);
1608         PM3_SLOW_WRITE_REG(PM3LineStippleMode, 0x0);
1609         PM3_SLOW_WRITE_REG(PM3AreaStippleMode, 0x0);
1610         PM3_SLOW_WRITE_REG(PM3GIDMode, 0x0);
1611         PM3_SLOW_WRITE_REG(PM3DepthMode, 0x0);
1612         PM3_SLOW_WRITE_REG(PM3StencilMode, 0x0);
1613         PM3_SLOW_WRITE_REG(PM3StencilData, 0x0);
1614         PM3_SLOW_WRITE_REG(PM3ColorDDAMode, 0x0);
1615         PM3_SLOW_WRITE_REG(PM3TextureCoordMode, 0x0);
1616         PM3_SLOW_WRITE_REG(PM3TextureIndexMode0, 0x0);
1617         PM3_SLOW_WRITE_REG(PM3TextureIndexMode1, 0x0);
1618         PM3_SLOW_WRITE_REG(PM3TextureReadMode, 0x0);
1619         PM3_SLOW_WRITE_REG(PM3LUTMode, 0x0);
1620         PM3_SLOW_WRITE_REG(PM3TextureFilterMode, 0x0);
1621         PM3_SLOW_WRITE_REG(PM3TextureCompositeMode, 0x0);
1622         PM3_SLOW_WRITE_REG(PM3TextureApplicationMode, 0x0);
1623         PM3_SLOW_WRITE_REG(PM3TextureCompositeColorMode1, 0x0);
1624         PM3_SLOW_WRITE_REG(PM3TextureCompositeAlphaMode1, 0x0);
1625         PM3_SLOW_WRITE_REG(PM3TextureCompositeColorMode0, 0x0);
1626         PM3_SLOW_WRITE_REG(PM3TextureCompositeAlphaMode0, 0x0);
1627         PM3_SLOW_WRITE_REG(PM3FogMode, 0x0);
1628         PM3_SLOW_WRITE_REG(PM3ChromaTestMode, 0x0);
1629         PM3_SLOW_WRITE_REG(PM3AlphaTestMode, 0x0);
1630         PM3_SLOW_WRITE_REG(PM3AntialiasMode, 0x0);
1631         PM3_SLOW_WRITE_REG(PM3YUVMode, 0x0);
1632         PM3_SLOW_WRITE_REG(PM3AlphaBlendColorMode, 0x0);
1633         PM3_SLOW_WRITE_REG(PM3AlphaBlendAlphaMode, 0x0);
1634         PM3_SLOW_WRITE_REG(PM3DitherMode, 0x0);
1635         PM3_SLOW_WRITE_REG(PM3LogicalOpMode, 0x0);
1636         PM3_SLOW_WRITE_REG(PM3RouterMode, 0x0);
1637         PM3_SLOW_WRITE_REG(PM3Window, 0x0);
1638
1639         PM3_SLOW_WRITE_REG(PM3Config2D, 0x0);
1640
1641         PM3_SLOW_WRITE_REG(PM3SpanColorMask, 0xffffffff);
1642
1643         PM3_SLOW_WRITE_REG(PM3XBias, 0x0);
1644         PM3_SLOW_WRITE_REG(PM3YBias, 0x0);
1645         PM3_SLOW_WRITE_REG(PM3DeltaControl, 0x0);
1646
1647         PM3_SLOW_WRITE_REG(PM3BitMaskPattern, 0xffffffff);
1648
1649         PM3_SLOW_WRITE_REG(PM3FBDestReadEnables,
1650                            PM3FBDestReadEnables_E(0xff) |
1651                            PM3FBDestReadEnables_R(0xff) |
1652                            PM3FBDestReadEnables_ReferenceAlpha(0xff));
1653         PM3_SLOW_WRITE_REG(PM3FBDestReadBufferAddr0, 0x0);
1654         PM3_SLOW_WRITE_REG(PM3FBDestReadBufferOffset0, 0x0);
1655         PM3_SLOW_WRITE_REG(PM3FBDestReadBufferWidth0,
1656                            PM3FBDestReadBufferWidth_Width(l_fb_info->
1657                                                           current_par->
1658                                                           width));
1659
1660         PM3_SLOW_WRITE_REG(PM3FBDestReadMode,
1661                            PM3FBDestReadMode_ReadEnable |
1662                            PM3FBDestReadMode_Enable0);
1663         PM3_SLOW_WRITE_REG(PM3FBSourceReadBufferAddr, 0x0);
1664         PM3_SLOW_WRITE_REG(PM3FBSourceReadBufferOffset, 0x0);
1665         PM3_SLOW_WRITE_REG(PM3FBSourceReadBufferWidth,
1666                            PM3FBSourceReadBufferWidth_Width(l_fb_info->
1667                                                             current_par->
1668                                                             width));
1669         PM3_SLOW_WRITE_REG(PM3FBSourceReadMode,
1670                            PM3FBSourceReadMode_Blocking |
1671                            PM3FBSourceReadMode_ReadEnable);
1672
1673         {
1674                 unsigned long rm = 1;
1675                 switch (l_fb_info->current_par->depth) {
1676                 case 8:
1677                         PM3_SLOW_WRITE_REG(PM3PixelSize,
1678                                            PM3PixelSize_GLOBAL_8BIT);
1679                         break;
1680                 case 12:
1681                 case 15:
1682                 case 16:
1683                         PM3_SLOW_WRITE_REG(PM3PixelSize,
1684                                            PM3PixelSize_GLOBAL_16BIT);
1685                         break;
1686                 case 32:
1687                         PM3_SLOW_WRITE_REG(PM3PixelSize,
1688                                            PM3PixelSize_GLOBAL_32BIT);
1689                         break;
1690                 default:
1691                         DPRINTK(1, "Unsupported depth %d\n",
1692                                 l_fb_info->current_par->depth);
1693                         break;
1694                 }
1695                 PM3_SLOW_WRITE_REG(PM3RasterizerMode, rm);
1696         }
1697
1698         PM3_SLOW_WRITE_REG(PM3FBSoftwareWriteMask, 0xffffffff);
1699         PM3_SLOW_WRITE_REG(PM3FBHardwareWriteMask, 0xffffffff);
1700         PM3_SLOW_WRITE_REG(PM3FBWriteMode,
1701                            PM3FBWriteMode_WriteEnable |
1702                            PM3FBWriteMode_OpaqueSpan |
1703                            PM3FBWriteMode_Enable0);
1704         PM3_SLOW_WRITE_REG(PM3FBWriteBufferAddr0, 0x0);
1705         PM3_SLOW_WRITE_REG(PM3FBWriteBufferOffset0, 0x0);
1706         PM3_SLOW_WRITE_REG(PM3FBWriteBufferWidth0,
1707                            PM3FBWriteBufferWidth_Width(l_fb_info->
1708                                                        current_par->
1709                                                        width));
1710
1711         PM3_SLOW_WRITE_REG(PM3SizeOfFramebuffer, 0x0);
1712         {
1713                 unsigned long sofb = (8UL * l_fb_info->fb_size) /
1714                         ((depth2bpp(l_fb_info->current_par->depth))
1715                          * l_fb_info->current_par->width);      /* size in lines of FB */
1716                 if (sofb > 4095)
1717                         PM3_SLOW_WRITE_REG(PM3SizeOfFramebuffer, 4095);
1718                 else
1719                         PM3_SLOW_WRITE_REG(PM3SizeOfFramebuffer, sofb);
1720
1721                 switch (l_fb_info->current_par->depth) {
1722                 case 8:
1723                         PM3_SLOW_WRITE_REG(PM3DitherMode,
1724                                            (1 << 10) | (2 << 3));
1725                         break;
1726                 case 12:
1727                 case 15:
1728                 case 16:
1729                         PM3_SLOW_WRITE_REG(PM3DitherMode,
1730                                            (1 << 10) | (1 << 3));
1731                         break;
1732                 case 32:
1733                         PM3_SLOW_WRITE_REG(PM3DitherMode,
1734                                            (1 << 10) | (0 << 3));
1735                         break;
1736                 default:
1737                         DPRINTK(1, "Unsupported depth %d\n",
1738                                 l_fb_info->current_par->depth);
1739                         break;
1740                 }
1741         }
1742
1743         PM3_SLOW_WRITE_REG(PM3dXDom, 0x0);
1744         PM3_SLOW_WRITE_REG(PM3dXSub, 0x0);
1745         PM3_SLOW_WRITE_REG(PM3dY, (1 << 16));
1746         PM3_SLOW_WRITE_REG(PM3StartXDom, 0x0);
1747         PM3_SLOW_WRITE_REG(PM3StartXSub, 0x0);
1748         PM3_SLOW_WRITE_REG(PM3StartY, 0x0);
1749         PM3_SLOW_WRITE_REG(PM3Count, 0x0);
1750
1751 /* Disable LocalBuffer. better safe than sorry */
1752         PM3_SLOW_WRITE_REG(PM3LBDestReadMode, 0x0);
1753         PM3_SLOW_WRITE_REG(PM3LBDestReadEnables, 0x0);
1754         PM3_SLOW_WRITE_REG(PM3LBSourceReadMode, 0x0);
1755         PM3_SLOW_WRITE_REG(PM3LBWriteMode, 0x0);
1756
1757         pm3fb_wait_pm3(l_fb_info);
1758 }
1759
1760 #ifdef FBCON_HAS_CFB32
1761 static void pm3fb_cfb32_clear(struct vc_data *conp,
1762                               struct display *p,
1763                               int sy, int sx, int height, int width)
1764 {
1765         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) p->fb_info;
1766         u32 c;
1767
1768         DTRACE;
1769
1770         sx = sx * fontwidth(p);
1771         width = width * fontwidth(p);
1772         sy = sy * fontheight(p);
1773         height = height * fontheight(p);
1774         c = ((u32 *) p->dispsw_data)[attr_bgcol_ec(p, conp)];
1775
1776         /* block fills in 32bpp are hard, but in low res (width <= 1600 :-)
1777            we can use 16bpp operations, but not if NoWriteMask is on (SDRAM)  */
1778         if ((l_fb_info->current_par->width > 1600) ||
1779             (l_fb_info->memt.caps & PM3LocalMemCaps_NoWriteMask)) {
1780                 PM3_WAIT(4);
1781
1782                 PM3_WRITE_REG(PM3Config2D,
1783                                           PM3Config2D_UseConstantSource |
1784                                           PM3Config2D_ForegroundROPEnable |
1785                                           (PM3Config2D_ForegroundROP(0x3)) |    /* Ox3 is GXcopy */
1786                                           PM3Config2D_FBWriteEnable);
1787
1788                 PM3_WRITE_REG(PM3ForegroundColor, c);
1789
1790                 PM3_WRITE_REG(PM3RectanglePosition,
1791                               (PM3RectanglePosition_XOffset(sx)) |
1792                               (PM3RectanglePosition_YOffset(sy)));
1793
1794                 PM3_WRITE_REG(PM3Render2D,
1795                               PM3Render2D_XPositive |
1796                               PM3Render2D_YPositive |
1797                               PM3Render2D_Operation_Normal |
1798                               PM3Render2D_SpanOperation |
1799                               (PM3Render2D_Width(width)) |
1800                               (PM3Render2D_Height(height)));
1801         } else {
1802                 PM3_WAIT(8);
1803
1804                 PM3_WRITE_REG(PM3FBBlockColor, c);
1805
1806                 PM3_WRITE_REG(PM3PixelSize, PM3PixelSize_GLOBAL_16BIT);
1807
1808                 PM3_WRITE_REG(PM3FBWriteBufferWidth0,
1809                               PM3FBWriteBufferWidth_Width(l_fb_info->
1810                                                           current_par->
1811                                                           width << 1));
1812
1813                 PM3_WRITE_REG(PM3Config2D,
1814                                           PM3Config2D_UseConstantSource |
1815                                           PM3Config2D_ForegroundROPEnable |
1816                                           (PM3Config2D_ForegroundROP(0x3)) |    /* Ox3 is GXcopy */
1817                                           PM3Config2D_FBWriteEnable);
1818
1819                 PM3_WRITE_REG(PM3RectanglePosition,
1820                               (PM3RectanglePosition_XOffset(sx << 1)) |
1821                               (PM3RectanglePosition_YOffset(sy)));
1822
1823                 PM3_WRITE_REG(PM3Render2D,
1824                               PM3Render2D_XPositive |
1825                               PM3Render2D_YPositive |
1826                               PM3Render2D_Operation_Normal |
1827                               (PM3Render2D_Width(width << 1)) |
1828                               (PM3Render2D_Height(height)));
1829
1830                 PM3_WRITE_REG(PM3FBWriteBufferWidth0,
1831                               PM3FBWriteBufferWidth_Width(l_fb_info->
1832                                                           current_par->
1833                                                           width));
1834
1835                 PM3_WRITE_REG(PM3PixelSize, PM3PixelSize_GLOBAL_32BIT);
1836         }
1837
1838         pm3fb_wait_pm3(l_fb_info);
1839 }
1840
1841 static void pm3fb_cfb32_clear_margins(struct vc_data *conp,
1842                                       struct display *p, int bottom_only)
1843 {
1844         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) p->fb_info;
1845         int sx, sy;
1846         u32 c;
1847
1848         DTRACE;
1849
1850         sx = conp->vc_cols * fontwidth(p);      /* right margin */
1851         sy = conp->vc_rows * fontheight(p);     /* bottom margin */
1852         c = ((u32 *) p->dispsw_data)[attr_bgcol_ec(p, conp)];
1853
1854         if (!bottom_only) {     /* right margin top->bottom */
1855                 PM3_WAIT(4);
1856
1857                 PM3_WRITE_REG(PM3Config2D,
1858                                           PM3Config2D_UseConstantSource |
1859                                           PM3Config2D_ForegroundROPEnable |
1860                                           (PM3Config2D_ForegroundROP(0x3)) |    /* Ox3 is GXcopy */
1861                                           PM3Config2D_FBWriteEnable);
1862
1863                 PM3_WRITE_REG(PM3ForegroundColor, c);
1864
1865                 PM3_WRITE_REG(PM3RectanglePosition,
1866                               (PM3RectanglePosition_XOffset
1867                                (p->var.xoffset +
1868                                 sx)) | (PM3RectanglePosition_YOffset(p->
1869                                                                      var.
1870                                                                      yoffset)));
1871
1872                 PM3_WRITE_REG(PM3Render2D,
1873                               PM3Render2D_XPositive |
1874                               PM3Render2D_YPositive |
1875                               PM3Render2D_Operation_Normal |
1876                               PM3Render2D_SpanOperation |
1877                               (PM3Render2D_Width(p->var.xres - sx)) |
1878                               (PM3Render2D_Height(p->var.yres)));
1879         }
1880
1881         /* bottom margin left -> right */
1882         PM3_WAIT(4);
1883
1884         PM3_WRITE_REG(PM3Config2D,
1885                                   PM3Config2D_UseConstantSource |
1886                                   PM3Config2D_ForegroundROPEnable |
1887                                   (PM3Config2D_ForegroundROP(0x3)) |    /* Ox3 is GXcopy */
1888                                   PM3Config2D_FBWriteEnable);
1889
1890         PM3_WRITE_REG(PM3ForegroundColor, c);
1891
1892         PM3_WRITE_REG(PM3RectanglePosition,
1893                       (PM3RectanglePosition_XOffset(p->var.xoffset)) |
1894                       (PM3RectanglePosition_YOffset(p->var.yoffset + sy)));
1895
1896         PM3_WRITE_REG(PM3Render2D,
1897                       PM3Render2D_XPositive |
1898                       PM3Render2D_YPositive |
1899                       PM3Render2D_Operation_Normal |
1900                       PM3Render2D_SpanOperation |
1901                       (PM3Render2D_Width(p->var.xres)) |
1902                       (PM3Render2D_Height(p->var.yres - sy)));
1903
1904         pm3fb_wait_pm3(l_fb_info);
1905 }
1906 #endif /* FBCON_HAS_CFB32 */
1907 #ifdef FBCON_HAS_CFB16
1908 static void pm3fb_cfb16_clear(struct vc_data *conp,
1909                               struct display *p,
1910                               int sy, int sx, int height, int width)
1911 {
1912         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) p->fb_info;
1913         u32 c;
1914
1915         DTRACE;
1916
1917         sx = sx * fontwidth(p);
1918         width = width * fontwidth(p);
1919         sy = sy * fontheight(p);
1920         height = height * fontheight(p);
1921         c = ((u16 *) p->dispsw_data)[attr_bgcol_ec(p, conp)];
1922         c = c | (c << 16);
1923
1924         PM3_WAIT(4);
1925
1926         if (l_fb_info->memt.caps & PM3LocalMemCaps_NoWriteMask)
1927                 PM3_WRITE_REG(PM3ForegroundColor, c);
1928         else
1929                 PM3_WRITE_REG(PM3FBBlockColor, c);
1930
1931         PM3_WRITE_REG(PM3Config2D,
1932                                   PM3Config2D_UseConstantSource |
1933                                   PM3Config2D_ForegroundROPEnable |
1934                                   (PM3Config2D_ForegroundROP(0x3)) |    /* Ox3 is GXcopy */
1935                                   PM3Config2D_FBWriteEnable);
1936
1937         PM3_WRITE_REG(PM3RectanglePosition,
1938                       (PM3RectanglePosition_XOffset(sx)) |
1939                       (PM3RectanglePosition_YOffset(sy)));
1940
1941         if (l_fb_info->memt.caps & PM3LocalMemCaps_NoWriteMask)
1942                 PM3_WRITE_REG(PM3Render2D,
1943                               PM3Render2D_XPositive |
1944                               PM3Render2D_YPositive |
1945                               PM3Render2D_Operation_Normal |
1946                               PM3Render2D_SpanOperation |
1947                               (PM3Render2D_Width(width)) |
1948                               (PM3Render2D_Height(height)));
1949         else
1950                 PM3_WRITE_REG(PM3Render2D,
1951                               PM3Render2D_XPositive |
1952                               PM3Render2D_YPositive |
1953                               PM3Render2D_Operation_Normal |
1954                               (PM3Render2D_Width(width)) |
1955                               (PM3Render2D_Height(height)));
1956
1957         pm3fb_wait_pm3(l_fb_info);
1958 }
1959
1960 static void pm3fb_cfb16_clear_margins(struct vc_data *conp,
1961                                       struct display *p, int bottom_only)
1962 {
1963         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) p->fb_info;
1964         int sx, sy;
1965         u32 c;
1966
1967         DTRACE;
1968
1969         sx = conp->vc_cols * fontwidth(p);      /* right margin */
1970         sy = conp->vc_rows * fontheight(p);     /* bottom margin */
1971         c = ((u16 *) p->dispsw_data)[attr_bgcol_ec(p, conp)];
1972         c = c | (c << 16);
1973
1974         if (!bottom_only) {     /* right margin top->bottom */
1975                 PM3_WAIT(4);
1976
1977                 PM3_WRITE_REG(PM3Config2D,
1978                                           PM3Config2D_UseConstantSource |
1979                                           PM3Config2D_ForegroundROPEnable |
1980                                           (PM3Config2D_ForegroundROP(0x3)) |    /* Ox3 is GXcopy */
1981                                           PM3Config2D_FBWriteEnable);
1982
1983                 if (l_fb_info->memt.caps & PM3LocalMemCaps_NoWriteMask)
1984                         PM3_WRITE_REG(PM3ForegroundColor, c);
1985                 else
1986                         PM3_WRITE_REG(PM3FBBlockColor, c);
1987
1988                 PM3_WRITE_REG(PM3RectanglePosition,
1989                               (PM3RectanglePosition_XOffset
1990                                (p->var.xoffset +
1991                                 sx)) | (PM3RectanglePosition_YOffset(p->
1992                                                                      var.
1993                                                                      yoffset)));
1994                 if (l_fb_info->memt.caps & PM3LocalMemCaps_NoWriteMask)
1995                         PM3_WRITE_REG(PM3Render2D,
1996                                       PM3Render2D_XPositive |
1997                                       PM3Render2D_YPositive |
1998                                       PM3Render2D_Operation_Normal |
1999                                       PM3Render2D_SpanOperation |
2000                                       (PM3Render2D_Width(p->var.xres - sx)) |
2001                                       (PM3Render2D_Height(p->var.yres)));
2002                 else
2003                         PM3_WRITE_REG(PM3Render2D,
2004                                       PM3Render2D_XPositive |
2005                                       PM3Render2D_YPositive |
2006                                       PM3Render2D_Operation_Normal |
2007                                       (PM3Render2D_Width(p->var.xres - sx)) |
2008                                       (PM3Render2D_Height(p->var.yres)));
2009         }
2010
2011         /* bottom margin left -> right */
2012         PM3_WAIT(4);
2013
2014         PM3_WRITE_REG(PM3Config2D,
2015                       PM3Config2D_UseConstantSource |
2016                       PM3Config2D_ForegroundROPEnable |
2017                       (PM3Config2D_ForegroundROP(0x3)) |        /* Ox3 is GXcopy */
2018                       PM3Config2D_FBWriteEnable);
2019
2020         if (l_fb_info->memt.caps & PM3LocalMemCaps_NoWriteMask)
2021                 PM3_WRITE_REG(PM3ForegroundColor, c);
2022         else
2023                 PM3_WRITE_REG(PM3FBBlockColor, c);
2024
2025
2026         PM3_WRITE_REG(PM3RectanglePosition,
2027                       (PM3RectanglePosition_XOffset(p->var.xoffset)) |
2028                       (PM3RectanglePosition_YOffset(p->var.yoffset + sy)));
2029
2030         if (l_fb_info->memt.caps & PM3LocalMemCaps_NoWriteMask)
2031                 PM3_WRITE_REG(PM3Render2D,
2032                               PM3Render2D_XPositive |
2033                               PM3Render2D_YPositive |
2034                               PM3Render2D_Operation_Normal |
2035                               PM3Render2D_SpanOperation |
2036                               (PM3Render2D_Width(p->var.xres)) |
2037                               (PM3Render2D_Height(p->var.yres - sy)));
2038         else
2039                 PM3_WRITE_REG(PM3Render2D,
2040                               PM3Render2D_XPositive |
2041                               PM3Render2D_YPositive |
2042                               PM3Render2D_Operation_Normal |
2043                               (PM3Render2D_Width(p->var.xres)) |
2044                               (PM3Render2D_Height(p->var.yres - sy)));
2045
2046         pm3fb_wait_pm3(l_fb_info);
2047 }
2048 #endif /* FBCON_HAS_CFB16 */
2049 #ifdef FBCON_HAS_CFB8
2050 static void pm3fb_cfb8_clear(struct vc_data *conp,
2051                              struct display *p,
2052                              int sy, int sx, int height, int width)
2053 {
2054         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) p->fb_info;
2055         u32 c;
2056
2057         DTRACE;
2058
2059         sx = sx * fontwidth(p);
2060         width = width * fontwidth(p);
2061         sy = sy * fontheight(p);
2062         height = height * fontheight(p);
2063
2064         c = attr_bgcol_ec(p, conp);
2065         c |= c << 8;
2066         c |= c << 16;
2067
2068         PM3_WAIT(4);
2069
2070         PM3_WRITE_REG(PM3Config2D,
2071                                   PM3Config2D_UseConstantSource |
2072                                   PM3Config2D_ForegroundROPEnable |
2073                                   (PM3Config2D_ForegroundROP(0x3)) |    /* Ox3 is GXcopy */
2074                                   PM3Config2D_FBWriteEnable);
2075
2076         PM3_WRITE_REG(PM3ForegroundColor, c);
2077
2078         PM3_WRITE_REG(PM3RectanglePosition,
2079                       (PM3RectanglePosition_XOffset(sx)) |
2080                       (PM3RectanglePosition_YOffset(sy)));
2081
2082         PM3_WRITE_REG(PM3Render2D,
2083                       PM3Render2D_XPositive |
2084                       PM3Render2D_YPositive |
2085                       PM3Render2D_Operation_Normal |
2086                       PM3Render2D_SpanOperation |
2087                       (PM3Render2D_Width(width)) |
2088                       (PM3Render2D_Height(height)));
2089
2090         pm3fb_wait_pm3(l_fb_info);
2091 }
2092
2093 static void pm3fb_cfb8_clear_margins(struct vc_data *conp,
2094                                      struct display *p, int bottom_only)
2095 {
2096         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) p->fb_info;
2097         int sx, sy;
2098         u32 c;
2099
2100         DTRACE;
2101
2102         sx = conp->vc_cols * fontwidth(p);      /* right margin */
2103         sy = conp->vc_rows * fontheight(p);     /* bottom margin */
2104         c = attr_bgcol_ec(p, conp);
2105         c |= c << 8;
2106         c |= c << 16;
2107
2108         if (!bottom_only) {     /* right margin top->bottom */
2109                 PM3_WAIT(4);
2110
2111                 PM3_WRITE_REG(PM3Config2D,
2112                                           PM3Config2D_UseConstantSource |
2113                                           PM3Config2D_ForegroundROPEnable |
2114                                           (PM3Config2D_ForegroundROP(0x3)) |    /* Ox3 is GXcopy */
2115                                           PM3Config2D_FBWriteEnable);
2116
2117                 PM3_WRITE_REG(PM3ForegroundColor, c);
2118
2119                 PM3_WRITE_REG(PM3RectanglePosition,
2120                               (PM3RectanglePosition_XOffset
2121                                (p->var.xoffset +
2122                                 sx)) | (PM3RectanglePosition_YOffset(p->
2123                                                                      var.
2124                                                                      yoffset)));
2125
2126                 PM3_WRITE_REG(PM3Render2D,
2127                               PM3Render2D_XPositive |
2128                               PM3Render2D_YPositive |
2129                               PM3Render2D_Operation_Normal |
2130                               PM3Render2D_SpanOperation |
2131                               (PM3Render2D_Width(p->var.xres - sx)) |
2132                               (PM3Render2D_Height(p->var.yres)));
2133         }
2134
2135         /* bottom margin left -> right */
2136         PM3_WAIT(4);
2137
2138         PM3_WRITE_REG(PM3Config2D,
2139                                   PM3Config2D_UseConstantSource |
2140                                   PM3Config2D_ForegroundROPEnable |
2141                                   (PM3Config2D_ForegroundROP(0x3)) |    /* Ox3 is GXcopy */
2142                                   PM3Config2D_FBWriteEnable);
2143
2144         PM3_WRITE_REG(PM3ForegroundColor, c);
2145
2146         PM3_WRITE_REG(PM3RectanglePosition,
2147                       (PM3RectanglePosition_XOffset(p->var.xoffset)) |
2148                       (PM3RectanglePosition_YOffset(p->var.yoffset + sy)));
2149
2150         PM3_WRITE_REG(PM3Render2D,
2151                       PM3Render2D_XPositive |
2152                       PM3Render2D_YPositive |
2153                       PM3Render2D_Operation_Normal |
2154                       PM3Render2D_SpanOperation |
2155                       (PM3Render2D_Width(p->var.xres)) |
2156                       (PM3Render2D_Height(p->var.yres - sy)));
2157
2158         pm3fb_wait_pm3(l_fb_info);
2159 }
2160 #endif /* FBCON_HAS_CFB8 */
2161 #if defined(FBCON_HAS_CFB8) || defined(FBCON_HAS_CFB16) || defined(FBCON_HAS_CFB32)
2162 static void pm3fb_cfbX_bmove(struct display *p,
2163                              int sy, int sx,
2164                              int dy, int dx, int height, int width)
2165 {
2166         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) p->fb_info;
2167         int x_align, o_x, o_y;
2168
2169         DTRACE;
2170
2171         sx = sx * fontwidth(p);
2172         dx = dx * fontwidth(p);
2173         width = width * fontwidth(p);
2174         sy = sy * fontheight(p);
2175         dy = dy * fontheight(p);
2176         height = height * fontheight(p);
2177
2178         o_x = sx - dx;          /*(sx > dx ) ? (sx - dx) : (dx - sx); */
2179         o_y = sy - dy;          /*(sy > dy ) ? (sy - dy) : (dy - sy); */
2180
2181         x_align = (sx & 0x1f);
2182
2183         PM3_WAIT(6);
2184
2185         PM3_WRITE_REG(PM3Config2D,
2186                                   PM3Config2D_UserScissorEnable |
2187                                   PM3Config2D_ForegroundROPEnable |
2188                                   PM3Config2D_Blocking |
2189                                   (PM3Config2D_ForegroundROP(0x3)) |    /* Ox3 is GXcopy */
2190                                   PM3Config2D_FBWriteEnable);
2191
2192         PM3_WRITE_REG(PM3ScissorMinXY,
2193                       ((dy & 0x0fff) << 16) | (dx & 0x0fff));
2194         PM3_WRITE_REG(PM3ScissorMaxXY,
2195                                   (((dy + height) & 0x0fff) << 16) |
2196                                   ((dx + width) & 0x0fff));
2197
2198         PM3_WRITE_REG(PM3FBSourceReadBufferOffset,
2199                       PM3FBSourceReadBufferOffset_XOffset(o_x) |
2200                       PM3FBSourceReadBufferOffset_YOffset(o_y));
2201
2202         PM3_WRITE_REG(PM3RectanglePosition,
2203                       (PM3RectanglePosition_XOffset(dx - x_align)) |
2204                       (PM3RectanglePosition_YOffset(dy)));
2205
2206         PM3_WRITE_REG(PM3Render2D,
2207                       ((sx > dx) ? PM3Render2D_XPositive : 0) |
2208                       ((sy > dy) ? PM3Render2D_YPositive : 0) |
2209                       PM3Render2D_Operation_Normal |
2210                       PM3Render2D_SpanOperation |
2211                       PM3Render2D_FBSourceReadEnable |
2212                       (PM3Render2D_Width(width + x_align)) |
2213                       (PM3Render2D_Height(height)));
2214
2215         pm3fb_wait_pm3(l_fb_info);
2216 }
2217
2218 static void pm3fb_cfbX_putc(struct vc_data *conp, struct display *p,
2219                             int c, int yy, int xx)
2220 {
2221         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) p->fb_info;
2222         u8 *cdat, asx = 0, asy = 0, o_x = 0, o_y = 0;
2223         u32 fgx, bgx, ldat;
2224         int sx, sy, i;
2225
2226         DTRACE;
2227
2228         if (l_fb_info->current_par->depth == 8)
2229                 fgx = attr_fgcol(p, c);
2230         else if (depth2bpp(l_fb_info->current_par->depth) == 16)
2231                 fgx = ((u16 *) p->dispsw_data)[attr_fgcol(p, c)];
2232         else
2233                 fgx = ((u32 *) p->dispsw_data)[attr_fgcol(p, c)];
2234
2235         PM3_COLOR(fgx);
2236
2237         if (l_fb_info->current_par->depth == 8)
2238                 bgx = attr_bgcol(p, c);
2239         else if (depth2bpp(l_fb_info->current_par->depth) == 16)
2240                 bgx = ((u16 *) p->dispsw_data)[attr_bgcol(p, c)];
2241         else
2242                 bgx = ((u32 *) p->dispsw_data)[attr_bgcol(p, c)];
2243
2244         PM3_COLOR(bgx);
2245
2246         PM3_WAIT(4);
2247
2248         PM3_WRITE_REG(PM3Config2D,
2249                                   PM3Config2D_UseConstantSource |
2250                                   PM3Config2D_ForegroundROPEnable |
2251                                   (PM3Config2D_ForegroundROP(0x3)) |    /* Ox3 is GXcopy */
2252                                   PM3Config2D_FBWriteEnable | PM3Config2D_OpaqueSpan);
2253
2254         PM3_WRITE_REG(PM3ForegroundColor, fgx);
2255         PM3_WRITE_REG(PM3FillBackgroundColor, bgx);
2256
2257         /* WARNING : address select X need to specify 8 bits for fontwidth <= 8 */
2258         /* and 16 bits for fontwidth <= 16 */
2259         /* same in _putcs, same for Y and fontheight */
2260         if (fontwidth(p) <= 8)
2261                 asx = 2;
2262         else if (fontwidth(p) <= 16)
2263                 asx = 3;        /* look OK */
2264         if (fontheight(p) <= 8)
2265                 asy = 2;
2266         else if (fontheight(p) <= 16)
2267                 asy = 3;        /* look OK */
2268         else if (fontheight(p) <= 32)
2269                 asy = 4;        /* look OK */
2270
2271         sx = xx * fontwidth(p);
2272         sy = yy * fontheight(p);
2273
2274         if (fontwidth(p) <= 8)
2275                 o_x = (8 - (sx & 0x7)) & 0x7;
2276         else if (fontwidth(p) <= 16)
2277                 o_x = (16 - (sx & 0xF)) & 0xF;
2278         if (fontheight(p) <= 8)
2279                 o_y = (8 - (sy & 0x7)) & 0x7;
2280         else if (fontheight(p) <= 16)
2281                 o_y = (16 - (sy & 0xF)) & 0xF;
2282         else if (fontheight(p) <= 32)
2283                 o_y = (32 - (sy & 0x1F)) & 0x1F;
2284
2285         PM3_WRITE_REG(PM3AreaStippleMode, (o_x << 7) | (o_y << 12) |    /* x_offset, y_offset in pattern */
2286                       (1 << 18) |       /* BE */
2287                       1 | (asx << 1) | (asy << 4) |     /* address select x/y */
2288                       (1 << 20));       /* OpaqueSpan */
2289
2290         if (fontwidth(p) <= 8) {
2291                 cdat = p->fontdata + (c & p->charmask) * fontheight(p);
2292         } else {
2293                 cdat =
2294                     p->fontdata +
2295                     ((c & p->charmask) * (fontheight(p) << 1));
2296         }
2297
2298         PM3_WAIT(2 + fontheight(p));
2299
2300         for (i = 0; i < fontheight(p); i++) {   /* assume fontheight <= 32 */
2301                 if (fontwidth(p) <= 8) {
2302                         ldat = *cdat++;
2303                 } else {        /* assume fontwidth <= 16 ATM */
2304
2305                         ldat = ((*cdat++) << 8);
2306                         ldat |= *cdat++;
2307                 }
2308                 PM3_WRITE_REG(AreaStipplePattern_indexed(i), ldat);
2309         }
2310
2311         PM3_WRITE_REG(PM3RectanglePosition,
2312                       (PM3RectanglePosition_XOffset(sx)) |
2313                       (PM3RectanglePosition_YOffset(sy)));
2314
2315         PM3_WRITE_REG(PM3Render2D,
2316                       PM3Render2D_AreaStippleEnable |
2317                       PM3Render2D_XPositive |
2318                       PM3Render2D_YPositive |
2319                       PM3Render2D_Operation_Normal |
2320                       PM3Render2D_SpanOperation |
2321                       (PM3Render2D_Width(fontwidth(p))) |
2322                       (PM3Render2D_Height(fontheight(p))));
2323
2324         pm3fb_wait_pm3(l_fb_info);
2325 }
2326
2327 static void pm3fb_cfbX_putcs(struct vc_data *conp, struct display *p,
2328                              const unsigned short *s, int count, int yy,
2329                              int xx)
2330 {
2331         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) p->fb_info;
2332         u8 *cdat, asx = 0, asy = 0, o_x = 0, o_y = 0;
2333         u32 fgx, bgx, ldat;
2334         int sx, sy, i, j;
2335         u16 sc;
2336
2337         DTRACE;
2338
2339         sc = scr_readw(s);
2340         if (l_fb_info->current_par->depth == 8)
2341                 fgx = attr_fgcol(p, sc);
2342         else if (depth2bpp(l_fb_info->current_par->depth) == 16)
2343                 fgx = ((u16 *) p->dispsw_data)[attr_fgcol(p, sc)];
2344         else
2345                 fgx = ((u32 *) p->dispsw_data)[attr_fgcol(p, sc)];
2346
2347         PM3_COLOR(fgx);
2348
2349         if (l_fb_info->current_par->depth == 8)
2350                 bgx = attr_bgcol(p, sc);
2351         else if (depth2bpp(l_fb_info->current_par->depth) == 16)
2352                 bgx = ((u16 *) p->dispsw_data)[attr_bgcol(p, sc)];
2353         else
2354                 bgx = ((u32 *) p->dispsw_data)[attr_bgcol(p, sc)];
2355
2356         PM3_COLOR(bgx);
2357
2358         PM3_WAIT(4);
2359
2360         PM3_WRITE_REG(PM3Config2D,
2361                                   PM3Config2D_UseConstantSource |
2362                                   PM3Config2D_ForegroundROPEnable |
2363                                   (PM3Config2D_ForegroundROP(0x3)) |    /* Ox3 is GXcopy */
2364                                   PM3Config2D_FBWriteEnable |
2365                                   PM3Config2D_OpaqueSpan);
2366
2367         PM3_WRITE_REG(PM3ForegroundColor, fgx);
2368         PM3_WRITE_REG(PM3FillBackgroundColor, bgx);
2369
2370         /* WARNING : address select X need to specify 8 bits for fontwidth <= 8 */
2371         /* and 16 bits for fontwidth <= 16 */
2372         /* same in _putc, same for Y and fontheight */
2373         if (fontwidth(p) <= 8)
2374                 asx = 2;
2375         else if (fontwidth(p) <= 16)
2376                 asx = 3;        /* look OK */
2377         if (fontheight(p) <= 8)
2378                 asy = 2;
2379         else if (fontheight(p) <= 16)
2380                 asy = 3;        /* look OK */
2381         else if (fontheight(p) <= 32)
2382                 asy = 4;        /* look OK */
2383
2384         sy = yy * fontheight(p);
2385
2386         if (fontheight(p) <= 8)
2387                 o_y = (8 - (sy & 0x7)) & 0x7;
2388         else if (fontheight(p) <= 16)
2389                 o_y = (16 - (sy & 0xF)) & 0xF;
2390         else if (fontheight(p) <= 32)
2391                 o_y = (32 - (sy & 0x1F)) & 0x1F;
2392
2393         for (j = 0; j < count; j++) {
2394                 sc = scr_readw(s + j);
2395                 if (fontwidth(p) <= 8)
2396                         cdat = p->fontdata +
2397                                 (sc & p->charmask) * fontheight(p);
2398                 else
2399                         cdat = p->fontdata +
2400                                 ((sc & p->charmask) * fontheight(p) << 1);
2401
2402                 sx = (xx + j) * fontwidth(p);
2403
2404                 if (fontwidth(p) <= 8)
2405                         o_x = (8 - (sx & 0x7)) & 0x7;
2406                 else if (fontwidth(p) <= 16)
2407                         o_x = (16 - (sx & 0xF)) & 0xF;
2408
2409                 PM3_WAIT(3 + fontheight(p));
2410
2411                 PM3_WRITE_REG(PM3AreaStippleMode, (o_x << 7) | (o_y << 12) | /* x_offset, y_offset in pattern */
2412                               (1 << 18) | /* BE */
2413                               1 | (asx << 1) | (asy << 4) | /* address select x/y */
2414                               (1 << 20)); /* OpaqueSpan */
2415
2416                 for (i = 0; i < fontheight(p); i++) { /* assume fontheight <= 32 */
2417                         if (fontwidth(p) <= 8) {
2418                                 ldat = *cdat++;
2419                         } else { /* assume fontwidth <= 16 ATM */
2420                                 ldat = ((*cdat++) << 8);
2421                                 ldat |= *cdat++;
2422                         }
2423                         PM3_WRITE_REG(AreaStipplePattern_indexed(i), ldat);
2424                 }
2425
2426                 PM3_WRITE_REG(PM3RectanglePosition,
2427                               (PM3RectanglePosition_XOffset(sx)) |
2428                               (PM3RectanglePosition_YOffset(sy)));
2429
2430                 PM3_WRITE_REG(PM3Render2D,
2431                               PM3Render2D_AreaStippleEnable |
2432                               PM3Render2D_XPositive |
2433                               PM3Render2D_YPositive |
2434                               PM3Render2D_Operation_Normal |
2435                               PM3Render2D_SpanOperation |
2436                               (PM3Render2D_Width(fontwidth(p))) |
2437                               (PM3Render2D_Height(fontheight(p))));
2438         }
2439         pm3fb_wait_pm3(l_fb_info);
2440 }
2441
2442 static void pm3fb_cfbX_revc(struct display *p, int xx, int yy)
2443 {
2444         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) p->fb_info;
2445
2446         xx = xx * fontwidth(p);
2447         yy = yy * fontheight(p);
2448
2449         if (l_fb_info->current_par->depth == 8)
2450         {
2451                 if (l_fb_info->memt.caps & PM3LocalMemCaps_NoWriteMask)
2452                         PM3_SLOW_WRITE_REG(PM3FBSoftwareWriteMask, 0x0F0F0F0F);
2453                 else
2454                         PM3_SLOW_WRITE_REG(PM3FBHardwareWriteMask, 0x0F0F0F0F);
2455         }
2456
2457         PM3_WAIT(3);
2458
2459         PM3_WRITE_REG(PM3Config2D,
2460                                   PM3Config2D_UseConstantSource |
2461                                   PM3Config2D_ForegroundROPEnable |
2462                                   (PM3Config2D_ForegroundROP(0xa)) |    /* Oxa is GXinvert */
2463                                   PM3Config2D_FBDestReadEnable |
2464                                   PM3Config2D_FBWriteEnable);
2465
2466         PM3_WRITE_REG(PM3RectanglePosition,
2467                       (PM3RectanglePosition_XOffset(xx)) |
2468                       (PM3RectanglePosition_YOffset(yy)));
2469
2470         PM3_WRITE_REG(PM3Render2D,
2471                       PM3Render2D_XPositive |
2472                       PM3Render2D_YPositive |
2473                       PM3Render2D_Operation_Normal |
2474                       PM3Render2D_SpanOperation |
2475                       (PM3Render2D_Width(fontwidth(p))) |
2476                       (PM3Render2D_Height(fontheight(p))));
2477
2478         pm3fb_wait_pm3(l_fb_info);
2479
2480         if (l_fb_info->current_par->depth == 8)
2481         {
2482                 if (l_fb_info->memt.caps & PM3LocalMemCaps_NoWriteMask)
2483                         PM3_SLOW_WRITE_REG(PM3FBSoftwareWriteMask, 0xFFFFFFFF);
2484                 else
2485                         PM3_SLOW_WRITE_REG(PM3FBHardwareWriteMask, 0xFFFFFFFF);
2486         }
2487 }
2488
2489 #endif /* FBCON_HAS_CFB8 || FBCON_HAS_CFB16 || FBCON_HAS_CFB32 */
2490 #endif /* PM3FB_USE_ACCEL */
2491 /* *********************************** */
2492 /* ***** pre-init board(s) setup ***** */
2493 /* *********************************** */
2494
2495 static void pm3fb_mode_setup(char *mode, unsigned long board_num)
2496 {
2497         struct pm3fb_info *l_fb_info = &(fb_info[board_num]);
2498         struct pm3fb_par *l_fb_par = &(current_par[board_num]);
2499         unsigned long i = 0;
2500
2501         current_par_valid[board_num] = 0;
2502
2503         if (!strncmp(mode, "current", 7)) {
2504                 l_fb_info->use_current = 1;     /* default w/ OpenFirmware */
2505         } else {
2506                 while ((mode_base[i].name[0])
2507                        && (!current_par_valid[board_num])) {
2508                         if (!
2509                             (strncmp
2510                              (mode, mode_base[i].name,
2511                               strlen(mode_base[i].name)))) {
2512                                 memcpy(l_fb_par, &(mode_base[i].user_mode),
2513                                        sizeof(struct pm3fb_par));
2514                                 current_par_valid[board_num] = 1;
2515                                 DPRINTK(2, "Mode set to %s\n",
2516                                         mode_base[i].name);
2517                         }
2518                         i++;
2519                 }
2520                 DASSERT(current_par_valid[board_num],
2521                         "Valid mode on command line\n");
2522         }
2523 }
2524
2525 static void pm3fb_pciid_setup(char *pciid, unsigned long board_num)
2526 {
2527         short l_bus = -1, l_slot = -1, l_func = -1;
2528         char *next;
2529
2530         if (pciid) {
2531                 l_bus = simple_strtoul(pciid, &next, 10);
2532                 if (next && (next[0] == ':')) {
2533                         pciid = next + 1;
2534                         l_slot = simple_strtoul(pciid, &next, 10);
2535                         if (next && (next[0] == ':')) {
2536                                 pciid = next + 1;
2537                                 l_func =
2538                                     simple_strtoul(pciid, (char **) NULL,
2539                                                    10);
2540                         }
2541                 }
2542         } else
2543                 return;
2544
2545         if ((l_bus >= 0) && (l_slot >= 0) && (l_func >= 0)) {
2546                 bus[board_num] = l_bus;
2547                 slot[board_num] = l_slot;
2548                 func[board_num] = l_func;
2549                 DPRINTK(2, "Board #%ld will be PciId: %hd:%hd:%hd\n",
2550                         board_num, l_bus, l_slot, l_func);
2551         } else {
2552                 DPRINTK(1, "Invalid PciId: %hd:%hd:%hd for board #%ld\n",
2553                         l_bus, l_slot, l_func, board_num);
2554         }
2555 }
2556
2557 static void pm3fb_font_setup(char *lf, unsigned long board_num)
2558 {
2559         unsigned long lfs = strlen(lf);
2560
2561         if (lfs > (PM3_FONTNAME_SIZE - 1)) {
2562                 DPRINTK(1, "Fontname %s too long\n", lf);
2563                 return;
2564         }
2565         strlcpy(fontn[board_num], lf, lfs + 1);
2566 }
2567
2568 static void pm3fb_bootdepth_setup(char *bds, unsigned long board_num)
2569 {
2570         unsigned long bd = simple_strtoul(bds, (char **) NULL, 10);
2571
2572         if (!(depth_supported(bd))) {
2573                 printk(KERN_WARNING "pm3fb: ignoring invalid depth %s for board #%ld\n",
2574                        bds, board_num);
2575                 return;
2576         }
2577         depth[board_num] = bd;
2578 }
2579
2580 static void pm3fb_forcesize_setup(char *bds, unsigned long board_num)
2581 {
2582         unsigned long bd = simple_strtoul(bds, (char **) NULL, 10);
2583
2584         if (bd > 64) {
2585                 printk(KERN_WARNING "pm3fb: ignoring invalid memory size %s for board #%ld\n",
2586                        bds, board_num);
2587                 return;
2588         }
2589         forcesize[board_num] = bd;
2590 }
2591
2592 static char *pm3fb_boardnum_setup(char *options, unsigned long *bn)
2593 {
2594         char *next;
2595
2596         if (!(isdigit(options[0]))) {
2597                 (*bn) = 0;
2598                 return (options);
2599         }
2600
2601         (*bn) = simple_strtoul(options, &next, 10);
2602
2603         if (next && (next[0] == ':') && ((*bn) >= 0)
2604             && ((*bn) <= PM3_MAX_BOARD)) {
2605                 DPRINTK(2, "Board_num seen as %ld\n", (*bn));
2606                 return (next + 1);
2607         } else {
2608                 (*bn) = 0;
2609                 DPRINTK(2, "Board_num default to %ld\n", (*bn));
2610                 return (options);
2611         }
2612 }
2613
2614 static void pm3fb_real_setup(char *options)
2615 {
2616         char *next;
2617         unsigned long i, bn;
2618         struct pm3fb_info *l_fb_info;
2619
2620         DTRACE;
2621
2622         DPRINTK(2, "Options : %s\n", options);
2623
2624         for (i = 0; i < PM3_MAX_BOARD; i++) {
2625                 l_fb_info = &(fb_info[i]);
2626                 memset(l_fb_info, 0, sizeof(struct pm3fb_info));
2627                 l_fb_info->gen.fbhw = &pm3fb_switch;
2628                 l_fb_info->board_num = i;
2629                 current_par_valid[i] = 0;
2630                 slot[i] = -1;
2631                 func[i] = -1;
2632                 bus[i] = -1;
2633                 disable[i] = 0;
2634                 noaccel[i] = 0;
2635                 fontn[i][0] = '\0';
2636                 depth[i] = 0;
2637                 l_fb_info->current_par = &(current_par[i]);
2638         }
2639
2640         /* eat up prefix pm3fb and whatever is used as separator i.e. :,= */
2641         if (!strncmp(options, "pm3fb", 5)) {
2642                 options += 5;
2643                 while (((*options) == ',') || ((*options) == ':')
2644                        || ((*options) == '='))
2645                         options++;
2646         }
2647
2648         while (options) {
2649                 bn = 0;
2650                 if ((next = strchr(options, ','))) {
2651                         (*next) = '\0';
2652                         next++;
2653                 }
2654
2655                 if (!strncmp(options, "mode:", 5)) {
2656                         options = pm3fb_boardnum_setup(options + 5, &bn);
2657                         DPRINTK(2, "Setting mode for board #%ld\n", bn);
2658                         pm3fb_mode_setup(options, bn);
2659                 } else if (!strncmp(options, "off:", 4)) {
2660                         options = pm3fb_boardnum_setup(options + 4, &bn);
2661                         DPRINTK(2, "Disabling board #%ld\n", bn);
2662                         disable[bn] = 1;
2663                 } else if (!strncmp(options, "off", 3)) {       /* disable everything */
2664                         for (i = 0; i < PM3_MAX_BOARD; i++)
2665                                 disable[i] = 1;
2666                 } else if (!strncmp(options, "disable:", 8)) {
2667                         options = pm3fb_boardnum_setup(options + 8, &bn);
2668                         DPRINTK(2, "Disabling board #%ld\n", bn);
2669                         disable[bn] = 1;
2670                 } else if (!strncmp(options, "pciid:", 6)) {
2671                         options = pm3fb_boardnum_setup(options + 6, &bn);
2672                         DPRINTK(2, "Setting PciID for board #%ld\n", bn);
2673                         pm3fb_pciid_setup(options, bn);
2674                 } else if (!strncmp(options, "noaccel:", 8)) {
2675                         options = pm3fb_boardnum_setup(options + 8, &bn);
2676                         noaccel[bn] = 1;
2677                 } else if (!strncmp(options, "font:", 5)) {
2678                         options = pm3fb_boardnum_setup(options + 5, &bn);
2679                         pm3fb_font_setup(options, bn);
2680                 } else if (!strncmp(options, "depth:", 6)) {
2681                         options = pm3fb_boardnum_setup(options + 6, &bn);
2682                         pm3fb_bootdepth_setup(options, bn);
2683                 } else if (!strncmp(options, "printtimings", 12)) {
2684                         printtimings = 1;
2685                 } else if (!strncmp(options, "flatpanel:", 10)) {
2686                         options = pm3fb_boardnum_setup(options + 10, &bn);
2687                         flatpanel[bn] = 1;
2688                 } else if (!strncmp(options, "forcesize:", 10)) {
2689                         options = pm3fb_boardnum_setup(options + 10, &bn);
2690                         pm3fb_forcesize_setup(options, bn);
2691                 }
2692                 options = next;
2693         }
2694 }
2695
2696 /* ********************************************** */
2697 /* ***** framebuffer API standard functions ***** */
2698 /* ********************************************** */
2699
2700 static int pm3fb_encode_fix(struct fb_fix_screeninfo *fix,
2701                             const void *par, struct fb_info_gen *info)
2702 {
2703         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) info;
2704         struct pm3fb_par *p = (struct pm3fb_par *) par;
2705
2706         DTRACE;
2707
2708         strcpy(fix->id, permedia3_name);
2709         fix->smem_start = (unsigned long)l_fb_info->p_fb;
2710         fix->smem_len = l_fb_info->fb_size;
2711         fix->mmio_start = (unsigned long)l_fb_info->pIOBase;
2712         fix->mmio_len = PM3_REGS_SIZE;
2713 #ifdef PM3FB_USE_ACCEL
2714         if (!(noaccel[l_fb_info->board_num]))
2715                 fix->accel = FB_ACCEL_3DLABS_PERMEDIA3;
2716         else
2717 #endif /* PM3FB_USE_ACCEL */
2718                 fix->accel = FB_ACCEL_NONE;
2719         fix->type = FB_TYPE_PACKED_PIXELS;
2720         fix->visual =
2721             (p->depth == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
2722         if (current_par_valid[l_fb_info->board_num])
2723                 fix->line_length =
2724                         l_fb_info->current_par->width *
2725                         depth2ByPP(l_fb_info->current_par->depth);
2726         else
2727                 fix->line_length = 0;
2728         fix->xpanstep = 64 / depth2bpp(p->depth);
2729         fix->ypanstep = 1;
2730         fix->ywrapstep = 0;
2731         return (0);
2732 }
2733
2734 static int pm3fb_decode_var(const struct fb_var_screeninfo *var,
2735                             void *par, struct fb_info_gen *info)
2736 {
2737         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) info;
2738         struct pm3fb_par *p = (struct pm3fb_par *) par;
2739         struct pm3fb_par temp_p;
2740         u32 xres;
2741
2742         DTRACE;
2743
2744         DASSERT((var != NULL), "fb_var_screeninfo* not NULL");
2745         DASSERT((p != NULL), "pm3fb_par* not NULL");
2746         DASSERT((l_fb_info != NULL), "pm3fb_info* not NULL");
2747
2748         memset(&temp_p, 0, sizeof(struct pm3fb_par));
2749         temp_p.width = (var->xres_virtual + 7) & ~7;
2750         temp_p.height = var->yres_virtual;
2751
2752         if (!(depth_supported(var->bits_per_pixel))) /* round unsupported up to a multiple of 8 */
2753                 temp_p.depth = depth2bpp(var->bits_per_pixel);
2754         else
2755                 temp_p.depth = var->bits_per_pixel;
2756
2757         temp_p.depth = (temp_p.depth > 32) ? 32 : temp_p.depth; /* max 32 */
2758         temp_p.depth = (temp_p.depth == 24) ? 32 : temp_p.depth; /* 24 unsupported, round-up to 32 */
2759
2760         if ((temp_p.depth == 16) && (var->red.length == 5) && (var->green.length == 5) && (var->blue.length == 5))
2761                 temp_p.depth = 15; /* RGBA 5551 is stored as depth 15 */
2762
2763         if ((temp_p.depth == 16) && (var->red.length == 4) && (var->green.length == 4) && (var->blue.length == 4))
2764                 temp_p.depth = 12; /* RGBA 4444  is stored as depth 12 */
2765
2766
2767         DPRINTK(2,
2768                 "xres: %d, yres: %d, vxres: %d, vyres: %d ; xoffset:%d, yoffset: %d\n",
2769                 var->xres, var->yres, var->xres_virtual, var->yres_virtual,
2770                 var->xoffset, var->yoffset);
2771
2772         xres = (var->xres + 31) & ~31;
2773         if (temp_p.width < xres + var->xoffset)
2774                 temp_p.width = xres + var->xoffset;
2775         if (temp_p.height < var->yres + var->yoffset)
2776                 temp_p.height = var->yres + var->yoffset;
2777
2778         if (temp_p.width > 2048) {
2779                 DPRINTK(1, "virtual width not supported: %u\n",
2780                         temp_p.width);
2781                 return (-EINVAL);
2782         }
2783         if (var->yres < 200) {
2784                 DPRINTK(1, "height not supported: %u\n", (u32) var->yres);
2785                 return (-EINVAL);
2786         }
2787         if (temp_p.height < 200 || temp_p.height > 4095) {
2788                 DPRINTK(1, "virtual height not supported: %u\n",
2789                         temp_p.height);
2790                 return (-EINVAL);
2791         }
2792         if (!(depth_supported(temp_p.depth))) {
2793                 DPRINTK(1, "depth not supported: %u\n", temp_p.depth);
2794                 return (-EINVAL);
2795         }
2796         if ((temp_p.width * temp_p.height * depth2ByPP(temp_p.depth)) >
2797             l_fb_info->fb_size) {
2798                 DPRINTK(1, "no memory for screen (%ux%ux%u)\n",
2799                         temp_p.width, temp_p.height, temp_p.depth);
2800                 return (-EINVAL);
2801         }
2802
2803         if ((!var->pixclock) ||
2804             (!var->right_margin) ||
2805             (!var->hsync_len) ||
2806             (!var->left_margin) ||
2807             (!var->lower_margin) ||
2808             (!var->vsync_len) || (!var->upper_margin)
2809             ) {
2810                 unsigned long i = 0, done = 0;
2811                 printk(KERN_WARNING "pm3fb: refusing to use a likely wrong timing\n");
2812
2813                 while ((mode_base[i].user_mode.width) && !done) {
2814                         if ((mode_base[i].user_mode.width == temp_p.width)
2815                             && (mode_base[i].user_mode.height ==
2816                                 temp_p.height)) {
2817                                 printk(KERN_NOTICE "pm3fb: using close match %s\n",
2818                                        mode_base[i].name);
2819                                 temp_p = mode_base[i].user_mode;
2820                                 done = 1;
2821                         }
2822                         i++;
2823                 }
2824                 if (!done)
2825                         return (-EINVAL);
2826         } else {
2827                 temp_p.pixclock = PICOS2KHZ(var->pixclock);
2828                 if (temp_p.pixclock > PM3_MAX_PIXCLOCK) {
2829                         DPRINTK(1, "pixclock too high (%uKHz)\n",
2830                                 temp_p.pixclock);
2831                         return (-EINVAL);
2832                 }
2833
2834                 temp_p.hsstart = var->right_margin;
2835                 temp_p.hsend = var->right_margin + var->hsync_len;
2836                 temp_p.hbend =
2837                     var->right_margin + var->hsync_len + var->left_margin;
2838                 temp_p.htotal = xres + temp_p.hbend;
2839
2840                 temp_p.vsstart = var->lower_margin;
2841                 temp_p.vsend = var->lower_margin + var->vsync_len;
2842                 temp_p.vbend =
2843                     var->lower_margin + var->vsync_len + var->upper_margin;
2844                 temp_p.vtotal = var->yres + temp_p.vbend;
2845
2846                 temp_p.stride = temp_p.width;
2847
2848                 DPRINTK(2, "Using %d * %d, %d Khz, stride is %08x\n",
2849                         temp_p.width, temp_p.height, temp_p.pixclock,
2850                         temp_p.stride);
2851
2852                 temp_p.base =
2853                     pm3fb_Shiftbpp(l_fb_info, temp_p.depth,
2854                                    (var->yoffset * xres) + var->xoffset);
2855
2856                 temp_p.video = 0;
2857
2858                 if (var->sync & FB_SYNC_HOR_HIGH_ACT)
2859                         temp_p.video |= PM3VideoControl_HSYNC_ACTIVE_HIGH;
2860                 else
2861                         temp_p.video |= PM3VideoControl_HSYNC_ACTIVE_LOW;
2862
2863                 if (var->sync & FB_SYNC_VERT_HIGH_ACT)
2864                         temp_p.video |= PM3VideoControl_VSYNC_ACTIVE_HIGH;
2865                 else
2866                         temp_p.video |= PM3VideoControl_VSYNC_ACTIVE_LOW;
2867
2868                 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
2869                         DPRINTK(1, "Interlaced mode not supported\n\n");
2870                         return (-EINVAL);
2871                 }
2872
2873                 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
2874                         temp_p.video |= PM3VideoControl_LINE_DOUBLE_ON;
2875                 else
2876                         temp_p.video |= PM3VideoControl_LINE_DOUBLE_OFF;
2877
2878                 if (var->activate == FB_ACTIVATE_NOW)
2879                         temp_p.video |= PM3VideoControl_ENABLE;
2880                 else {
2881                         temp_p.video |= PM3VideoControl_DISABLE;
2882                         DPRINTK(2, "PM3Video disabled\n");
2883                 }
2884
2885                 switch (temp_p.depth) {
2886                 case 8:
2887                         temp_p.video |= PM3VideoControl_PIXELSIZE_8BIT;
2888                         break;
2889                 case 12:
2890                 case 15:
2891                 case 16:
2892                         temp_p.video |= PM3VideoControl_PIXELSIZE_16BIT;
2893                         break;
2894                 case 32:
2895                         temp_p.video |= PM3VideoControl_PIXELSIZE_32BIT;
2896                         break;
2897                 default:
2898                         DPRINTK(1, "Unsupported depth\n");
2899                         break;
2900                 }
2901         }
2902         (*p) = temp_p;
2903
2904 #ifdef PM3FB_USE_ACCEL
2905         if (var->accel_flags & FB_ACCELF_TEXT)
2906                 noaccel[l_fb_info->board_num] = 0;
2907         else
2908                 noaccel[l_fb_info->board_num] = 1;
2909 #endif /* PM3FB_USE_ACCEL */
2910
2911         return (0);
2912 }
2913
2914 static void pm3fb_encode_depth(struct fb_var_screeninfo *var, long d)
2915 {
2916         switch (d) {
2917         case 8:
2918                 var->red.length = var->green.length = var->blue.length = 8;
2919                 var->red.offset = var->green.offset = var->blue.offset = 0;
2920                 var->transp.offset = var->transp.length = 0;
2921                 break;
2922
2923         case 12:
2924                 var->red.offset = 8;
2925                 var->red.length = 4;
2926                 var->green.offset = 4;
2927                 var->green.length = 4;
2928                 var->blue.offset = 0;
2929                 var->blue.length = 4;
2930                 var->transp.offset = 12;
2931                 var->transp.length = 4;
2932                 break;
2933
2934         case 15:
2935                 var->red.offset = 10;
2936                 var->red.length = 5;
2937                 var->green.offset = 5;
2938                 var->green.length = 5;
2939                 var->blue.offset = 0;
2940                 var->blue.length = 5;
2941                 var->transp.offset = 15;
2942                 var->transp.length = 1;
2943                 break;
2944
2945         case 16:
2946                 var->red.offset = 11;
2947                 var->red.length = 5;
2948                 var->green.offset = 5;
2949                 var->green.length = 6;
2950                 var->blue.offset = 0;
2951                 var->blue.length = 5;
2952                 var->transp.offset = var->transp.length = 0;
2953                 break;
2954
2955         case 32:
2956                 var->transp.offset = 24;
2957                 var->red.offset = 16;
2958                 var->green.offset = 8;
2959                 var->blue.offset = 0;
2960                 var->red.length = var->green.length =
2961                         var->blue.length = var->transp.length = 8;
2962                 break;
2963
2964         default:
2965                 DPRINTK(1, "Unsupported depth %ld\n", d);
2966                 break;
2967         }
2968 }
2969
2970 static int pm3fb_encode_var(struct fb_var_screeninfo *var,
2971                             const void *par, struct fb_info_gen *info)
2972 {
2973         struct pm3fb_par *p = (struct pm3fb_par *) par;
2974         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) info;
2975
2976         u32 base;
2977
2978         DTRACE;
2979
2980         DASSERT((var != NULL), "fb_var_screeninfo* not NULL");
2981         DASSERT((p != NULL), "pm3fb_par* not NULL");
2982         DASSERT((info != NULL), "fb_info_gen* not NULL");
2983
2984         memset(var, 0, sizeof(struct fb_var_screeninfo));
2985
2986 #ifdef PM3FB_USE_ACCEL
2987         if (!(noaccel[l_fb_info->board_num]))
2988                 var->accel_flags |= FB_ACCELF_TEXT;
2989 #endif /* PM3FB_USE_ACCEL */
2990
2991         var->xres_virtual = p->width;
2992         var->yres_virtual = p->height;
2993         var->xres = p->htotal - p->hbend;
2994         var->yres = p->vtotal - p->vbend;
2995
2996         DPRINTK(2, "xres = %d, yres : %d\n", var->xres, var->yres);
2997
2998         var->right_margin = p->hsstart;
2999         var->hsync_len = p->hsend - p->hsstart;
3000         var->left_margin = p->hbend - p->hsend;
3001         var->lower_margin = p->vsstart;
3002         var->vsync_len = p->vsend - p->vsstart;
3003         var->upper_margin = p->vbend - p->vsend;
3004         var->bits_per_pixel = depth2bpp(p->depth);
3005
3006         pm3fb_encode_depth(var, p->depth);
3007
3008         base = pm3fb_Unshiftbpp(l_fb_info, p->depth, p->base);
3009
3010         var->xoffset = base % var->xres;
3011         var->yoffset = base / var->xres;
3012
3013         var->height = var->width = -1;
3014
3015         var->pixclock = KHZ2PICOS(p->pixclock);
3016
3017         if ((p->video & PM3VideoControl_HSYNC_MASK) ==
3018             PM3VideoControl_HSYNC_ACTIVE_HIGH)
3019                 var->sync |= FB_SYNC_HOR_HIGH_ACT;
3020         if ((p->video & PM3VideoControl_VSYNC_MASK) ==
3021             PM3VideoControl_VSYNC_ACTIVE_HIGH)
3022                 var->sync |= FB_SYNC_VERT_HIGH_ACT;
3023         if (p->video & PM3VideoControl_LINE_DOUBLE_ON)
3024                 var->vmode = FB_VMODE_DOUBLE;
3025
3026         return (0);
3027 }
3028
3029 static void pm3fb_get_par(void *par, struct fb_info_gen *info)
3030 {
3031         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) info;
3032
3033         DTRACE;
3034
3035         if (!current_par_valid[l_fb_info->board_num]) {
3036                 if (l_fb_info->use_current)
3037                         pm3fb_read_mode(l_fb_info, l_fb_info->current_par);
3038                 else
3039                         memcpy(l_fb_info->current_par,
3040                                &(mode_base[0].user_mode),
3041                                sizeof(struct pm3fb_par));
3042                 current_par_valid[l_fb_info->board_num] = 1;
3043         }
3044         *((struct pm3fb_par *) par) = *(l_fb_info->current_par);
3045 }
3046
3047 static void pm3fb_set_par(const void *par, struct fb_info_gen *info)
3048 {
3049         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) info;
3050
3051         DTRACE;
3052
3053         *(l_fb_info->current_par) = *((struct pm3fb_par *) par);
3054         current_par_valid[l_fb_info->board_num] = 1;
3055
3056         pm3fb_write_mode(l_fb_info);
3057
3058 #ifdef PM3FB_USE_ACCEL
3059         pm3fb_init_engine(l_fb_info);
3060 #endif /* PM3FB_USE_ACCEL */
3061 }
3062
3063 static void pm3fb_set_color(struct pm3fb_info *l_fb_info,
3064                             unsigned char regno, unsigned char r,
3065                             unsigned char g, unsigned char b)
3066 {
3067         DTRACE;
3068
3069         PM3_SLOW_WRITE_REG(PM3RD_PaletteWriteAddress, regno);
3070         PM3_SLOW_WRITE_REG(PM3RD_PaletteData, r);
3071         PM3_SLOW_WRITE_REG(PM3RD_PaletteData, g);
3072         PM3_SLOW_WRITE_REG(PM3RD_PaletteData, b);
3073 }
3074
3075 static int pm3fb_getcolreg(unsigned regno, unsigned *red, unsigned *green,
3076                            unsigned *blue, unsigned *transp,
3077                            struct fb_info *info)
3078 {
3079         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) info;
3080
3081         DTRACE;
3082
3083         if (regno < 256) {
3084                 *red =
3085                     l_fb_info->palette[regno].red << 8 | l_fb_info->
3086                     palette[regno].red;
3087                 *green =
3088                     l_fb_info->palette[regno].green << 8 | l_fb_info->
3089                     palette[regno].green;
3090                 *blue =
3091                     l_fb_info->palette[regno].blue << 8 | l_fb_info->
3092                     palette[regno].blue;
3093                 *transp =
3094                     l_fb_info->palette[regno].transp << 8 | l_fb_info->
3095                     palette[regno].transp;
3096         }
3097         return (regno > 255);
3098 }
3099
3100 static int pm3fb_setcolreg(unsigned regno, unsigned red, unsigned green,
3101                            unsigned blue, unsigned transp,
3102                            struct fb_info *info)
3103 {
3104         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) info;
3105
3106         DTRACE;
3107
3108         if (regno < 16) {
3109                 switch (l_fb_info->current_par->depth) {
3110 #ifdef FBCON_HAS_CFB8
3111                 case 8:
3112                         break;
3113 #endif
3114 #ifdef FBCON_HAS_CFB16
3115                 case 12:
3116                         l_fb_info->cmap.cmap12[regno] =
3117                                 (((u32) red & 0xf000) >> 4) |
3118                                 (((u32) green & 0xf000) >> 8) |
3119                                 (((u32) blue & 0xf000) >> 12);
3120                         break;
3121
3122                 case 15:
3123                         l_fb_info->cmap.cmap15[regno] =
3124                                 (((u32) red & 0xf800) >> 1) |
3125                                 (((u32) green & 0xf800) >> 6) |
3126                                 (((u32) blue & 0xf800) >> 11);
3127                         break;
3128
3129                 case 16:
3130                         l_fb_info->cmap.cmap16[regno] =
3131                             ((u32) red & 0xf800) |
3132                             (((u32) green & 0xfc00) >> 5) |
3133                             (((u32) blue & 0xf800) >> 11);
3134                         break;
3135 #endif
3136 #ifdef FBCON_HAS_CFB32
3137                 case 32:
3138                         l_fb_info->cmap.cmap32[regno] =
3139                             (((u32) transp & 0xff00) << 16) |
3140                             (((u32) red & 0xff00) << 8) |
3141                             (((u32) green & 0xff00)) |
3142                             (((u32) blue & 0xff00) >> 8);
3143                         break;
3144 #endif
3145                 default:
3146                         DPRINTK(1, "bad depth %u\n",
3147                                 l_fb_info->current_par->depth);
3148                         break;
3149                 }
3150         }
3151         if (regno < 256) {
3152                 l_fb_info->palette[regno].red = red >> 8;
3153                 l_fb_info->palette[regno].green = green >> 8;
3154                 l_fb_info->palette[regno].blue = blue >> 8;
3155                 l_fb_info->palette[regno].transp = transp >> 8;
3156                 if (l_fb_info->current_par->depth == 8)
3157                         pm3fb_set_color(l_fb_info, regno, red >> 8,
3158                                         green >> 8, blue >> 8);
3159         }
3160         return (regno > 255);
3161 }
3162
3163 static int pm3fb_blank(int blank_mode, struct fb_info_gen *info)
3164 {
3165         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) info;
3166         u32 video;
3167
3168         DTRACE;
3169
3170         if (!current_par_valid[l_fb_info->board_num])
3171                 return (1);
3172
3173         video = l_fb_info->current_par->video;
3174
3175         /*
3176          * Oxygen VX1 - it appears that setting PM3VideoControl and
3177          * then PM3RD_SyncControl to the same SYNC settings undoes
3178          * any net change - they seem to xor together.  Only set the
3179          * sync options in PM3RD_SyncControl.  --rmk
3180          */
3181         video &= ~(PM3VideoControl_HSYNC_MASK |
3182                    PM3VideoControl_VSYNC_MASK);
3183         video |= PM3VideoControl_HSYNC_ACTIVE_HIGH |
3184                  PM3VideoControl_VSYNC_ACTIVE_HIGH;
3185
3186         if (blank_mode > 0) {
3187                 switch (blank_mode - 1) {
3188
3189                 case VESA_NO_BLANKING:  /* FIXME */
3190                         video = video & ~(PM3VideoControl_ENABLE);
3191                         break;
3192
3193                 case VESA_HSYNC_SUSPEND:
3194                         video = video & ~(PM3VideoControl_HSYNC_MASK |
3195                                           PM3VideoControl_BLANK_ACTIVE_LOW);
3196                         break;
3197                 case VESA_VSYNC_SUSPEND:
3198                         video = video & ~(PM3VideoControl_VSYNC_MASK |
3199                                           PM3VideoControl_BLANK_ACTIVE_LOW);
3200                         break;
3201                 case VESA_POWERDOWN:
3202                         video = video & ~(PM3VideoControl_HSYNC_MASK |
3203                                           PM3VideoControl_VSYNC_MASK |
3204                                           PM3VideoControl_BLANK_ACTIVE_LOW);
3205                         break;
3206                 default:
3207                         DPRINTK(1, "Unsupported blanking %d\n",
3208                                 blank_mode);
3209                         return (1);
3210                         break;
3211                 }
3212         }
3213
3214         PM3_SLOW_WRITE_REG(PM3VideoControl, video);
3215
3216         return (0);
3217 }
3218
3219 static void pm3fb_set_disp(const void *par, struct display *disp,
3220                            struct fb_info_gen *info)
3221 {
3222         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) info;
3223         struct pm3fb_par *p = (struct pm3fb_par *) par;
3224         u32 flags;
3225
3226         DTRACE;
3227
3228         local_irq_save(flags);
3229         info->info.screen_base = l_fb_info->v_fb;
3230         switch (p->depth) {
3231 #ifdef FBCON_HAS_CFB8
3232         case 8:
3233 #ifdef PM3FB_USE_ACCEL
3234                 if (!(noaccel[l_fb_info->board_num]))
3235                         disp->dispsw = &pm3fb_cfb8;
3236                 else
3237 #endif /* PM3FB_USE_ACCEL */
3238                         disp->dispsw = &fbcon_cfb8;
3239                 break;
3240 #endif
3241 #ifdef FBCON_HAS_CFB16
3242         case 12:
3243 #ifdef PM3FB_USE_ACCEL
3244                 if (!(noaccel[l_fb_info->board_num]))
3245                         disp->dispsw = &pm3fb_cfb16;
3246                 else
3247 #endif /* PM3FB_USE_ACCEL */
3248                         disp->dispsw = &fbcon_cfb16;
3249                 disp->dispsw_data = l_fb_info->cmap.cmap12;
3250                 break;
3251         case 15:
3252 #ifdef PM3FB_USE_ACCEL
3253                 if (!(noaccel[l_fb_info->board_num]))
3254                         disp->dispsw = &pm3fb_cfb16;
3255                 else
3256 #endif /* PM3FB_USE_ACCEL */
3257                         disp->dispsw = &fbcon_cfb16;
3258                 disp->dispsw_data = l_fb_info->cmap.cmap15;
3259                 break;
3260         case 16:
3261 #ifdef PM3FB_USE_ACCEL
3262                 if (!(noaccel[l_fb_info->board_num]))
3263                         disp->dispsw = &pm3fb_cfb16;
3264                 else
3265 #endif /* PM3FB_USE_ACCEL */
3266                         disp->dispsw = &fbcon_cfb16;
3267                 disp->dispsw_data = l_fb_info->cmap.cmap16;
3268                 break;
3269 #endif
3270 #ifdef FBCON_HAS_CFB32
3271         case 32:
3272 #ifdef PM3FB_USE_ACCEL
3273                 if (!(noaccel[l_fb_info->board_num]))
3274                         disp->dispsw = &pm3fb_cfb32;
3275                 else
3276 #endif /* PM3FB_USE_ACCEL */
3277                         disp->dispsw = &fbcon_cfb32;
3278                 disp->dispsw_data = l_fb_info->cmap.cmap32;
3279                 break;
3280 #endif /* FBCON_HAS_CFB32 */
3281         default:
3282                 disp->dispsw = &fbcon_dummy;
3283                 DPRINTK(1, "Invalid depth, using fbcon_dummy\n");
3284                 break;
3285         }
3286         local_irq_restore(flags);
3287 }
3288
3289 /* */
3290 static void pm3fb_detect(void)
3291 {
3292         struct pci_dev *dev_array[PM3_MAX_BOARD];
3293         struct pci_dev *dev = NULL;
3294         struct pm3fb_info *l_fb_info = &(fb_info[0]);
3295         unsigned long i, j, done;
3296
3297         DTRACE;
3298
3299         for (i = 0; i < PM3_MAX_BOARD; i++) {
3300                 dev_array[i] = NULL;
3301                 fb_info[i].dev = NULL;
3302         }
3303
3304         dev =
3305             pci_find_device(PCI_VENDOR_ID_3DLABS,
3306                             PCI_DEVICE_ID_3DLABS_PERMEDIA3, dev);
3307
3308         for (i = 0; ((i < PM3_MAX_BOARD) && dev); i++) {
3309                 dev_array[i] = dev;
3310                 dev =
3311                     pci_find_device(PCI_VENDOR_ID_3DLABS,
3312                                     PCI_DEVICE_ID_3DLABS_PERMEDIA3, dev);
3313         }
3314
3315         if (dev) {              /* more than PM3_MAX_BOARD */
3316                 printk(KERN_WARNING "pm3fb: Warning: more than %d boards found\n",
3317                        PM3_MAX_BOARD);
3318         }
3319
3320         if (!dev_array[0]) {    /* not a single board, abort */
3321                 return;
3322         }
3323
3324         /* allocate user-defined boards */
3325         for (i = 0; i < PM3_MAX_BOARD; i++) {
3326                 if ((bus[i] >= 0) && (slot[i] >= 0) && (func[i] >= 0)) {
3327                         for (j = 0; j < PM3_MAX_BOARD; j++) {
3328                                 if ((dev_array[j] != NULL) &&
3329                                     (dev_array[j]->bus->number == bus[i])
3330                                     && (PCI_SLOT(dev_array[j]->devfn) ==
3331                                         slot[i])
3332                                     && (PCI_FUNC(dev_array[j]->devfn) ==
3333                                         func[i])) {
3334                                         fb_info[i].dev = dev_array[j];
3335                                         dev_array[j] = NULL;
3336                                 }
3337                         }
3338                 }
3339         }
3340         /* allocate remaining boards */
3341         for (i = 0; i < PM3_MAX_BOARD; i++) {
3342                 if (fb_info[i].dev == NULL) {
3343                         done = 0;
3344                         for (j = 0; ((j < PM3_MAX_BOARD) && (!done)); j++) {
3345                                 if (dev_array[j] != NULL) {
3346                                         fb_info[i].dev = dev_array[j];
3347                                         dev_array[j] = NULL;
3348                                         done = 1;
3349                                 }
3350                         }
3351                 }
3352         }
3353
3354         /* at that point, all PCI Permedia3 are detected and allocated */
3355         /* now, initialize... or not */
3356         for (i = 0; i < PM3_MAX_BOARD; i++) {
3357                 l_fb_info = &(fb_info[i]);
3358                 if ((l_fb_info->dev) && (!disable[i])) {        /* PCI device was found and not disabled by user */
3359                         DPRINTK(2,
3360                                 "found @%lx Vendor %lx Device %lx ; base @ : %lx - %lx - %lx - %lx - %lx - %lx, irq %ld\n",
3361                                 (unsigned long) l_fb_info->dev,
3362                                 (unsigned long) l_fb_info->dev->vendor,
3363                                 (unsigned long) l_fb_info->dev->device,
3364                                 (unsigned long)
3365                                 pci_resource_start(l_fb_info->dev, 0),
3366                                 (unsigned long)
3367                                 pci_resource_start(l_fb_info->dev, 1),
3368                                 (unsigned long)
3369                                 pci_resource_start(l_fb_info->dev, 2),
3370                                 (unsigned long)
3371                                 pci_resource_start(l_fb_info->dev, 3),
3372                                 (unsigned long)
3373                                 pci_resource_start(l_fb_info->dev, 4),
3374                                 (unsigned long)
3375                                 pci_resource_start(l_fb_info->dev, 5),
3376                                 (unsigned long) l_fb_info->dev->irq);
3377
3378                         l_fb_info->pIOBase =
3379                             (unsigned char *)
3380                             pci_resource_start(l_fb_info->dev, 0);
3381 #ifdef __BIG_ENDIAN
3382                         l_fb_info->pIOBase += PM3_REGS_SIZE;
3383 #endif
3384                         l_fb_info->vIOBase = (unsigned char *) -1;
3385                         l_fb_info->p_fb =
3386                             (unsigned char *)
3387                             pci_resource_start(l_fb_info->dev, 1);
3388                         l_fb_info->v_fb = (unsigned char *) -1;
3389
3390                                 if (!request_mem_region
3391                             ((unsigned long)l_fb_info->p_fb, 64 * 1024 * 1024, /* request full aperture size */
3392                              "pm3fb")) {
3393                                 printk
3394                                     (KERN_ERR "pm3fb: Error: couldn't request framebuffer memory, board #%ld\n",
3395                                      l_fb_info->board_num);
3396                                 continue;
3397                         }
3398                         if (!request_mem_region
3399                             ((unsigned long)l_fb_info->pIOBase, PM3_REGS_SIZE,
3400                              "pm3fb I/O regs")) {
3401                                 printk
3402                                     (KERN_ERR "pm3fb: Error: couldn't request IObase memory, board #%ld\n",
3403                                      l_fb_info->board_num);
3404                                 continue;
3405                         }
3406                         if (forcesize[l_fb_info->board_num])
3407                                 l_fb_info->fb_size = forcesize[l_fb_info->board_num];
3408
3409                         l_fb_info->fb_size =
3410                             pm3fb_size_memory(l_fb_info);
3411                                 if (l_fb_info->fb_size) {
3412                                 (void) pci_enable_device(l_fb_info->dev);
3413                                 pm3fb_common_init(l_fb_info);
3414                         } else
3415                                 printk(KERN_ERR "pm3fb: memory problem, not enabling board #%ld\n", l_fb_info->board_num);
3416                 }
3417         }
3418 }
3419
3420 static int pm3fb_pan_display(const struct fb_var_screeninfo *var,
3421                              struct fb_info_gen *info)
3422 {
3423         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) info;
3424
3425         DTRACE;
3426
3427         if (!current_par_valid[l_fb_info->board_num])
3428                 return -EINVAL;
3429
3430         l_fb_info->current_par->base =  /* in 128 bits chunk - i.e. AFTER Shiftbpp */
3431             pm3fb_Shiftbpp(l_fb_info,
3432                            l_fb_info->current_par->depth,
3433                            (var->yoffset * l_fb_info->current_par->width) +
3434                            var->xoffset);
3435         PM3_SLOW_WRITE_REG(PM3ScreenBase, l_fb_info->current_par->base);
3436         return 0;
3437 }
3438
3439 static int pm3fb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
3440 {
3441         struct pm3fb_info *l_fb_info = (struct pm3fb_info *) info;
3442         u32 cm, i;
3443 #ifdef PM3FB_MASTER_DEBUG
3444         char cc[3];
3445 #endif /* PM3FB_MASTER_DEBUG */
3446
3447         switch(cmd)
3448         {
3449 #ifdef PM3FB_MASTER_DEBUG
3450         case PM3FBIO_CLEARMEMORY:
3451                 if (copy_from_user(&cm, (void *)arg, sizeof(u32)))
3452                         return(-EFAULT);
3453                 pm3fb_clear_memory(l_fb_info, cm);
3454                 return(0);
3455                 break;
3456
3457         case PM3FBIO_CLEARCMAP:
3458                 if (copy_from_user(cc, (void*)arg, 3 * sizeof(char)))
3459                         return(-EFAULT);
3460                 pm3fb_clear_colormap(l_fb_info, cc[0], cc[1], cc[2]);
3461                 return(0);
3462                 break;
3463 #endif /* PM3FB_MASTER_DEBUG */
3464
3465         case PM3FBIO_RESETCHIP:
3466                 cm = 1;
3467                 PM3_SLOW_WRITE_REG(PM3ResetStatus, 1);
3468                 for (i = 0 ; (i < 10000) && cm ; i++)
3469                 {
3470                         PM3_DELAY(10);
3471                         cm = PM3_READ_REG(PM3ResetStatus);
3472                 }
3473                 if (cm)
3474                 {
3475                         printk(KERN_ERR "pm3fb: chip reset failed with status 0x%x\n", cm);
3476                         return(-EIO);
3477                 }
3478                 /* first thing first, reload memory timings */
3479                 pm3fb_write_memory_timings(l_fb_info);
3480 #ifdef PM3FB_USE_ACCEL
3481                 pm3fb_init_engine(l_fb_info);
3482 #endif /* PM3FB_USE_ACCEL */
3483                 pm3fb_write_mode(l_fb_info);
3484                 return(0);
3485                 break;
3486
3487         default:
3488                 DPRINTK(2, "unknown ioctl: %d (%x)\n", cmd, cmd);
3489                 return(-EINVAL);
3490         }
3491 }
3492
3493 /* ****************************************** */
3494 /* ***** standard FB API init functions ***** */
3495 /* ****************************************** */
3496
3497 int __init pm3fb_setup(char *options)
3498 {
3499         long opsi = strlen(options);
3500
3501         DTRACE;
3502
3503         memcpy(g_options, options,
3504                ((opsi + 1) >
3505                 PM3_OPTIONS_SIZE) ? PM3_OPTIONS_SIZE : (opsi + 1));
3506         g_options[PM3_OPTIONS_SIZE - 1] = 0;
3507
3508         return (0);
3509 }
3510
3511 int __init pm3fb_init(void)
3512 {
3513         DTRACE;
3514
3515         DPRINTK(2, "This is pm3fb.c, CVS version: $Header: /cvsroot/linux/drivers/video/pm3fb.c,v 1.1 2002/02/25 19:11:06 marcelo Exp $");
3516
3517         pm3fb_real_setup(g_options);
3518
3519         pm3fb_detect();
3520
3521         if (!fb_info[0].dev) {  /* not even one board ??? */
3522                 DPRINTK(1, "No PCI Permedia3 board detected\n");
3523         }
3524         return (0);
3525 }
3526
3527 /* ************************* */
3528 /* **** Module support ***** */
3529 /* ************************* */
3530
3531 #ifdef MODULE
3532 MODULE_AUTHOR("Romain Dolbeau");
3533 MODULE_DESCRIPTION("Permedia3 framebuffer device driver");
3534 static char *mode[PM3_MAX_BOARD];
3535 module_param_array(mode, charp, NULL, 0);
3536 MODULE_PARM_DESC(mode,"video mode");
3537 module_param_array(disable, short, NULL, 0);
3538 MODULE_PARM_DESC(disable,"disable board");
3539 static short off[PM3_MAX_BOARD];
3540 module_param_array(off, short, NULL, 0);
3541 MODULE_PARM_DESC(off,"disable board");
3542 static char *pciid[PM3_MAX_BOARD];
3543 module_param_array(pciid, charp, NULL, 0);
3544 MODULE_PARM_DESC(pciid,"board PCI Id");
3545 module_param_array(noaccel, short, NULL, 0);
3546 MODULE_PARM_DESC(noaccel,"disable accel");
3547 static char *font[PM3_MAX_BOARD];
3548 module_param_array(font, charp, NULL, 0);
3549 MODULE_PARM_DESC(font,"choose font");
3550 module_param(depth, short, NULL, 0);
3551 MODULE_PARM_DESC(depth,"boot-time depth");
3552 module_param(printtimings, short, NULL, 0);
3553 MODULE_PARM_DESC(printtimings, "print the memory timings of the card(s)");
3554 module_param(forcesize, short, NULL, 0);
3555 MODULE_PARM_DESC(forcesize, "force specified memory size");
3556 /*
3557 MODULE_SUPPORTED_DEVICE("Permedia3 PCI boards")
3558 MODULE_GENERIC_TABLE(gtype,name)
3559 MODULE_DEVICE_TABLE(type,name)
3560 */
3561
3562 void pm3fb_build_options(void)
3563 {
3564         int i;
3565         char ts[128];
3566
3567         strcpy(g_options, "pm3fb");
3568         for (i = 0; i < PM3_MAX_BOARD ; i++)
3569         {
3570                 if (mode[i])
3571                 {
3572                         sprintf(ts, ",mode:%d:%s", i, mode[i]);
3573                         strncat(g_options, ts, PM3_OPTIONS_SIZE - strlen(g_options));
3574                 }
3575                 if (disable[i] || off[i])
3576                 {
3577                         sprintf(ts, ",disable:%d:", i);
3578                         strncat(g_options, ts, PM3_OPTIONS_SIZE - strlen(g_options));
3579                 }
3580                 if (pciid[i])
3581                 {
3582                         sprintf(ts, ",pciid:%d:%s", i, pciid[i]);
3583                         strncat(g_options, ts, PM3_OPTIONS_SIZE - strlen(g_options));
3584                 }
3585                 if (noaccel[i])
3586                 {
3587                         sprintf(ts, ",noaccel:%d:", i);
3588                         strncat(g_options, ts, PM3_OPTIONS_SIZE - strlen(g_options));
3589                 }
3590                 if (font[i])
3591                 {
3592                         sprintf(ts, ",font:%d:%s", i, font[i]);
3593                         strncat(g_options, ts, PM3_OPTIONS_SIZE - strlen(g_options));
3594                 }
3595                 if (depth[i])
3596                 {
3597                         sprintf(ts, ",depth:%d:%d", i, depth[i]);
3598                         strncat(g_options, ts, PM3_OPTIONS_SIZE - strlen(g_options));
3599                 }
3600         }
3601         g_options[PM3_OPTIONS_SIZE - 1] = '\0';
3602         DPRINTK(1, "pm3fb use options: %s\n", g_options);
3603 }
3604
3605 int init_module(void)
3606 {
3607         DTRACE;
3608
3609         pm3fb_build_options();
3610
3611         pm3fb_init();
3612
3613         return (0);
3614 }
3615
3616 void cleanup_module(void)
3617 {
3618         DTRACE;
3619         {
3620                 unsigned long i;
3621                 struct pm3fb_info *l_fb_info;
3622                 for (i = 0; i < PM3_MAX_BOARD; i++) {
3623                         l_fb_info = &(fb_info[i]);
3624                         if ((l_fb_info->dev != NULL)
3625                             && (!(disable[l_fb_info->board_num]))) {
3626                                 if (l_fb_info->vIOBase !=
3627                                     (unsigned char *) -1) {
3628                                         pm3fb_unmapIO(l_fb_info);
3629                                         release_mem_region(l_fb_info->p_fb,
3630                                                            l_fb_info->
3631                                                            fb_size);
3632                                         release_mem_region(l_fb_info->
3633                                                            pIOBase,
3634                                                            PM3_REGS_SIZE);
3635                                 }
3636                                 unregister_framebuffer(&l_fb_info->gen.
3637                                                        info);
3638                         }
3639                 }
3640         }
3641         return;
3642 }
3643 #endif /* MODULE */