2 * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public
7 * License as published by the Free Software Foundation;
8 * either version 2, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
12 * the implied warranty of MERCHANTABILITY or FITNESS FOR
13 * A PARTICULAR PURPOSE.See the GNU General Public License
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 #include <linux/via-core.h>
25 static struct pll_map pll_value[] = {
28 {85, 3, 4}, /* ignoring bit difference: 0x00008000 */
33 {66, 2, 4}, /* ignoring bit difference: 0x00808000 */
34 {166, 5, 4}, /* ignoring bit difference: 0x00008000 */
38 {30, 2, 3}, /* ignoring bit difference: 0x00808000 */
42 {53, 3, 3}, /* ignoring bit difference: 0x00008000 */
43 {141, 4, 4}, /* ignoring bit difference: 0x00008000 */
48 {177, 5, 4}, /* ignoring bit difference: 0x00008000 */
53 {146, 4, 4}, /* ignoring bit difference: 0x00008000 */
57 {101, 5, 3}, /* ignoring bit difference: 0x00008000 */
58 {161, 4, 4}, /* ignoring bit difference: 0x00008000 */
63 {89, 4, 3}, /* ignoring bit difference: 0x00008000 */
68 {69, 3, 3}, /* ignoring bit difference: 0x00008000 */
73 {121, 5, 3}, /* ignoring bit difference: 0x00008000 */
78 {127, 5, 3}, /* ignoring bit difference: 0x00808000 */
83 {103, 4, 3}, /* ignoring bit difference: 0x00008000 */
87 {105, 4, 3}, /* ignoring bit difference: 0x00008000 */
88 {131, 5, 3}, /* ignoring bit difference: 0x00808000 */
89 {131, 5, 3}, /* ignoring bit difference: 0x00808000 */
93 {134, 5, 3}, /* ignoring bit difference: 0x00808000 */
98 {82, 3, 3}, /* ignoring bit difference: 0x00808000 */
99 {82, 3, 3}, /* ignoring bit difference: 0x00808000 */
103 {83, 3, 3}, /* ignoring bit difference: 0x00008000 */
108 {117, 4, 3}, /* ignoring bit difference: 0x00008000 */
113 {148, 5, 3}, /* ignoring bit difference: 0x00808000 */
117 {55, 7, 1}, /* ignoring bit difference: 0x00008000 */
118 {126, 4, 3}, /* ignoring bit difference: 0x00008000 */
125 {157, 5, 3} }, /* ignoring bit difference: 0x00808000 */
128 {169, 5, 3}, /* ignoring bit difference: 0x00808000 */
129 {169, 5, 3}, /* FIXED: old = {72, 2, 3} */
133 {172, 5, 3}, /* ignoring bit difference: 0x00808000 */
137 {109, 6, 2}, /* ignoring bit difference: 0x00008000 */
138 {109, 3, 3}, /* ignoring bit difference: 0x00008000 */
143 {182, 5, 3}, /* ignoring bit difference: 0x00808000 */
148 {150, 4, 3}, /* ignoring bit difference: 0x00808000 */
153 {114, 3, 3}, /* ignoring bit difference: 0x00008000 */
158 {195, 5, 3}, /* ignoring bit difference: 0x00808000 */
163 {196, 5, 3}, /* ignoring bit difference: 0x00808000 */
168 {161, 4, 3}, /* ignoring bit difference: 0x00808000 */
173 {66, 3, 2}, /* ignoring bit difference: 0x00008000 */
178 {68, 3, 2}, /* ignoring bit difference: 0x00008000 */
183 {93, 4, 2}, /* ignoring bit difference: 0x00800000 */
184 {93, 4, 2}, /* ignoring bit difference: 0x00800000 */
188 {117, 5, 2}, /* ignoring bit difference: 0x00008000 */
193 {118, 5, 2}, /* ignoring bit difference: 0x00808000 */
198 {120, 5, 2}, /* ignoring bit difference: 0x00808000 */
203 {124, 5, 2}, /* ignoring bit difference: 0x00808000 */
204 {174, 7, 2}, /* ignoring bit difference: 0x00808000 */
208 {132, 5, 2}, /* ignoring bit difference: 0x00008000 */
213 {137, 5, 2}, /* ignoring bit difference: 0x00808000 */
218 {141, 5, 2}, /* ignoring bit difference: 0x00808000 */
223 {119, 4, 2}, /* ignoring bit difference: 0x00808000 */
228 {121, 4, 2}, /* ignoring bit difference: 0x00808000 */
233 {95, 3, 2}, /* ignoring bit difference: 0x00808000 */
238 {166, 5, 2}, /* ignoring bit difference: 0x00808000 */
243 {133, 4, 2}, /* ignoring bit difference: 0x00808000 */
248 {170, 5, 2}, /* ignoring bit difference: 0x00808000 */
252 {53, 6, 0}, /* ignoring bit difference: 0x00008000 */
253 {106, 3, 2}, /* ignoring bit difference: 0x00008000 */
258 {28, 3, 0}, /* ignoring bit difference: 0x00804000 */
263 {191, 5, 2}, /* ignoring bit difference: 0x00808000 */
268 {116, 3, 2}, /* ignoring bit difference: 0x00808000 */
273 {206, 5, 2}, /* ignoring bit difference: 0x00808000 */
278 {86, 4, 1}, /* ignoring bit difference: 0x00808000 */
280 {86, 4, 1} }, /* FIXED: old = {84, 2, 1} */
283 {109, 5, 1}, /* ignoring bit difference: 0x00808000 */
287 {55, 5, 0}, /* ignoring bit difference: 0x00008000 */
288 {22, 2, 0}, /* ignoring bit difference: 0x00802000 */
293 {113, 5, 1}, /* ignoring bit difference: 0x00808000 */
298 {131, 5, 1}, /* ignoring bit difference: 0x00808000 */
303 {81, 3, 1}, /* ignoring bit difference: 0x00808000 */
308 {85, 3, 1}, /* ignoring bit difference: 0x00808000 */
313 {143, 5, 1}, /* ignoring bit difference: 0x00808000 */
318 {153, 5, 1}, /* ignoring bit difference: 0x00808000 */
323 {98, 3, 1}, /* ignoring bit difference: 0x00008000 */
328 {112, 3, 1}, /* ignoring bit difference: 0x00808000 */
332 {102, 5, 0}, /* ignoring bit difference: 0x00008000 */
333 {166, 4, 1}, /* ignoring bit difference: 0x00008000 */
338 {125, 3, 3}, /* ignoring bit difference: 0x00808000 */
343 {121, 5, 1}, /* ignoring bit difference: 0x00808000 */
348 {137, 4, 2}, /* ignoring bit difference: 0x00808000 */
363 static struct fifo_depth_select display_fifo_depth_reg = {
364 /* IGA1 FIFO Depth_Select */
365 {IGA1_FIFO_DEPTH_SELECT_REG_NUM, {{SR17, 0, 7} } },
366 /* IGA2 FIFO Depth_Select */
367 {IGA2_FIFO_DEPTH_SELECT_REG_NUM,
368 {{CR68, 4, 7}, {CR94, 7, 7}, {CR95, 7, 7} } }
371 static struct fifo_threshold_select fifo_threshold_select_reg = {
372 /* IGA1 FIFO Threshold Select */
373 {IGA1_FIFO_THRESHOLD_REG_NUM, {{SR16, 0, 5}, {SR16, 7, 7} } },
374 /* IGA2 FIFO Threshold Select */
375 {IGA2_FIFO_THRESHOLD_REG_NUM, {{CR68, 0, 3}, {CR95, 4, 6} } }
378 static struct fifo_high_threshold_select fifo_high_threshold_select_reg = {
379 /* IGA1 FIFO High Threshold Select */
380 {IGA1_FIFO_HIGH_THRESHOLD_REG_NUM, {{SR18, 0, 5}, {SR18, 7, 7} } },
381 /* IGA2 FIFO High Threshold Select */
382 {IGA2_FIFO_HIGH_THRESHOLD_REG_NUM, {{CR92, 0, 3}, {CR95, 0, 2} } }
385 static struct display_queue_expire_num display_queue_expire_num_reg = {
386 /* IGA1 Display Queue Expire Num */
387 {IGA1_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM, {{SR22, 0, 4} } },
388 /* IGA2 Display Queue Expire Num */
389 {IGA2_DISPLAY_QUEUE_EXPIRE_NUM_REG_NUM, {{CR94, 0, 6} } }
392 /* Definition Fetch Count Registers*/
393 static struct fetch_count fetch_count_reg = {
394 /* IGA1 Fetch Count Register */
395 {IGA1_FETCH_COUNT_REG_NUM, {{SR1C, 0, 7}, {SR1D, 0, 1} } },
396 /* IGA2 Fetch Count Register */
397 {IGA2_FETCH_COUNT_REG_NUM, {{CR65, 0, 7}, {CR67, 2, 3} } }
400 static struct iga1_crtc_timing iga1_crtc_reg = {
401 /* IGA1 Horizontal Total */
402 {IGA1_HOR_TOTAL_REG_NUM, {{CR00, 0, 7}, {CR36, 3, 3} } },
403 /* IGA1 Horizontal Addressable Video */
404 {IGA1_HOR_ADDR_REG_NUM, {{CR01, 0, 7} } },
405 /* IGA1 Horizontal Blank Start */
406 {IGA1_HOR_BLANK_START_REG_NUM, {{CR02, 0, 7} } },
407 /* IGA1 Horizontal Blank End */
408 {IGA1_HOR_BLANK_END_REG_NUM,
409 {{CR03, 0, 4}, {CR05, 7, 7}, {CR33, 5, 5} } },
410 /* IGA1 Horizontal Sync Start */
411 {IGA1_HOR_SYNC_START_REG_NUM, {{CR04, 0, 7}, {CR33, 4, 4} } },
412 /* IGA1 Horizontal Sync End */
413 {IGA1_HOR_SYNC_END_REG_NUM, {{CR05, 0, 4} } },
414 /* IGA1 Vertical Total */
415 {IGA1_VER_TOTAL_REG_NUM,
416 {{CR06, 0, 7}, {CR07, 0, 0}, {CR07, 5, 5}, {CR35, 0, 0} } },
417 /* IGA1 Vertical Addressable Video */
418 {IGA1_VER_ADDR_REG_NUM,
419 {{CR12, 0, 7}, {CR07, 1, 1}, {CR07, 6, 6}, {CR35, 2, 2} } },
420 /* IGA1 Vertical Blank Start */
421 {IGA1_VER_BLANK_START_REG_NUM,
422 {{CR15, 0, 7}, {CR07, 3, 3}, {CR09, 5, 5}, {CR35, 3, 3} } },
423 /* IGA1 Vertical Blank End */
424 {IGA1_VER_BLANK_END_REG_NUM, {{CR16, 0, 7} } },
425 /* IGA1 Vertical Sync Start */
426 {IGA1_VER_SYNC_START_REG_NUM,
427 {{CR10, 0, 7}, {CR07, 2, 2}, {CR07, 7, 7}, {CR35, 1, 1} } },
428 /* IGA1 Vertical Sync End */
429 {IGA1_VER_SYNC_END_REG_NUM, {{CR11, 0, 3} } }
432 static struct iga2_crtc_timing iga2_crtc_reg = {
433 /* IGA2 Horizontal Total */
434 {IGA2_HOR_TOTAL_REG_NUM, {{CR50, 0, 7}, {CR55, 0, 3} } },
435 /* IGA2 Horizontal Addressable Video */
436 {IGA2_HOR_ADDR_REG_NUM, {{CR51, 0, 7}, {CR55, 4, 6} } },
437 /* IGA2 Horizontal Blank Start */
438 {IGA2_HOR_BLANK_START_REG_NUM, {{CR52, 0, 7}, {CR54, 0, 2} } },
439 /* IGA2 Horizontal Blank End */
440 {IGA2_HOR_BLANK_END_REG_NUM,
441 {{CR53, 0, 7}, {CR54, 3, 5}, {CR5D, 6, 6} } },
442 /* IGA2 Horizontal Sync Start */
443 {IGA2_HOR_SYNC_START_REG_NUM,
444 {{CR56, 0, 7}, {CR54, 6, 7}, {CR5C, 7, 7}, {CR5D, 7, 7} } },
445 /* IGA2 Horizontal Sync End */
446 {IGA2_HOR_SYNC_END_REG_NUM, {{CR57, 0, 7}, {CR5C, 6, 6} } },
447 /* IGA2 Vertical Total */
448 {IGA2_VER_TOTAL_REG_NUM, {{CR58, 0, 7}, {CR5D, 0, 2} } },
449 /* IGA2 Vertical Addressable Video */
450 {IGA2_VER_ADDR_REG_NUM, {{CR59, 0, 7}, {CR5D, 3, 5} } },
451 /* IGA2 Vertical Blank Start */
452 {IGA2_VER_BLANK_START_REG_NUM, {{CR5A, 0, 7}, {CR5C, 0, 2} } },
453 /* IGA2 Vertical Blank End */
454 {IGA2_VER_BLANK_END_REG_NUM, {{CR5B, 0, 7}, {CR5C, 3, 5} } },
455 /* IGA2 Vertical Sync Start */
456 {IGA2_VER_SYNC_START_REG_NUM, {{CR5E, 0, 7}, {CR5F, 5, 7} } },
457 /* IGA2 Vertical Sync End */
458 {IGA2_VER_SYNC_END_REG_NUM, {{CR5F, 0, 4} } }
461 static struct rgbLUT palLUT_table[] = {
463 /* Index 0x00~0x03 */
464 {0x00, 0x00, 0x00}, {0x00, 0x00, 0x2A}, {0x00, 0x2A, 0x00}, {0x00,
467 /* Index 0x04~0x07 */
468 {0x2A, 0x00, 0x00}, {0x2A, 0x00, 0x2A}, {0x2A, 0x15, 0x00}, {0x2A,
471 /* Index 0x08~0x0B */
472 {0x15, 0x15, 0x15}, {0x15, 0x15, 0x3F}, {0x15, 0x3F, 0x15}, {0x15,
475 /* Index 0x0C~0x0F */
476 {0x3F, 0x15, 0x15}, {0x3F, 0x15, 0x3F}, {0x3F, 0x3F, 0x15}, {0x3F,
479 /* Index 0x10~0x13 */
480 {0x00, 0x00, 0x00}, {0x05, 0x05, 0x05}, {0x08, 0x08, 0x08}, {0x0B,
483 /* Index 0x14~0x17 */
484 {0x0E, 0x0E, 0x0E}, {0x11, 0x11, 0x11}, {0x14, 0x14, 0x14}, {0x18,
487 /* Index 0x18~0x1B */
488 {0x1C, 0x1C, 0x1C}, {0x20, 0x20, 0x20}, {0x24, 0x24, 0x24}, {0x28,
491 /* Index 0x1C~0x1F */
492 {0x2D, 0x2D, 0x2D}, {0x32, 0x32, 0x32}, {0x38, 0x38, 0x38}, {0x3F,
495 /* Index 0x20~0x23 */
496 {0x00, 0x00, 0x3F}, {0x10, 0x00, 0x3F}, {0x1F, 0x00, 0x3F}, {0x2F,
499 /* Index 0x24~0x27 */
500 {0x3F, 0x00, 0x3F}, {0x3F, 0x00, 0x2F}, {0x3F, 0x00, 0x1F}, {0x3F,
503 /* Index 0x28~0x2B */
504 {0x3F, 0x00, 0x00}, {0x3F, 0x10, 0x00}, {0x3F, 0x1F, 0x00}, {0x3F,
507 /* Index 0x2C~0x2F */
508 {0x3F, 0x3F, 0x00}, {0x2F, 0x3F, 0x00}, {0x1F, 0x3F, 0x00}, {0x10,
511 /* Index 0x30~0x33 */
512 {0x00, 0x3F, 0x00}, {0x00, 0x3F, 0x10}, {0x00, 0x3F, 0x1F}, {0x00,
515 /* Index 0x34~0x37 */
516 {0x00, 0x3F, 0x3F}, {0x00, 0x2F, 0x3F}, {0x00, 0x1F, 0x3F}, {0x00,
519 /* Index 0x38~0x3B */
520 {0x1F, 0x1F, 0x3F}, {0x27, 0x1F, 0x3F}, {0x2F, 0x1F, 0x3F}, {0x37,
523 /* Index 0x3C~0x3F */
524 {0x3F, 0x1F, 0x3F}, {0x3F, 0x1F, 0x37}, {0x3F, 0x1F, 0x2F}, {0x3F,
527 /* Index 0x40~0x43 */
528 {0x3F, 0x1F, 0x1F}, {0x3F, 0x27, 0x1F}, {0x3F, 0x2F, 0x1F}, {0x3F,
531 /* Index 0x44~0x47 */
532 {0x3F, 0x3F, 0x1F}, {0x37, 0x3F, 0x1F}, {0x2F, 0x3F, 0x1F}, {0x27,
535 /* Index 0x48~0x4B */
536 {0x1F, 0x3F, 0x1F}, {0x1F, 0x3F, 0x27}, {0x1F, 0x3F, 0x2F}, {0x1F,
539 /* Index 0x4C~0x4F */
540 {0x1F, 0x3F, 0x3F}, {0x1F, 0x37, 0x3F}, {0x1F, 0x2F, 0x3F}, {0x1F,
543 /* Index 0x50~0x53 */
544 {0x2D, 0x2D, 0x3F}, {0x31, 0x2D, 0x3F}, {0x36, 0x2D, 0x3F}, {0x3A,
547 /* Index 0x54~0x57 */
548 {0x3F, 0x2D, 0x3F}, {0x3F, 0x2D, 0x3A}, {0x3F, 0x2D, 0x36}, {0x3F,
551 /* Index 0x58~0x5B */
552 {0x3F, 0x2D, 0x2D}, {0x3F, 0x31, 0x2D}, {0x3F, 0x36, 0x2D}, {0x3F,
555 /* Index 0x5C~0x5F */
556 {0x3F, 0x3F, 0x2D}, {0x3A, 0x3F, 0x2D}, {0x36, 0x3F, 0x2D}, {0x31,
559 /* Index 0x60~0x63 */
560 {0x2D, 0x3F, 0x2D}, {0x2D, 0x3F, 0x31}, {0x2D, 0x3F, 0x36}, {0x2D,
563 /* Index 0x64~0x67 */
564 {0x2D, 0x3F, 0x3F}, {0x2D, 0x3A, 0x3F}, {0x2D, 0x36, 0x3F}, {0x2D,
567 /* Index 0x68~0x6B */
568 {0x00, 0x00, 0x1C}, {0x07, 0x00, 0x1C}, {0x0E, 0x00, 0x1C}, {0x15,
571 /* Index 0x6C~0x6F */
572 {0x1C, 0x00, 0x1C}, {0x1C, 0x00, 0x15}, {0x1C, 0x00, 0x0E}, {0x1C,
575 /* Index 0x70~0x73 */
576 {0x1C, 0x00, 0x00}, {0x1C, 0x07, 0x00}, {0x1C, 0x0E, 0x00}, {0x1C,
579 /* Index 0x74~0x77 */
580 {0x1C, 0x1C, 0x00}, {0x15, 0x1C, 0x00}, {0x0E, 0x1C, 0x00}, {0x07,
583 /* Index 0x78~0x7B */
584 {0x00, 0x1C, 0x00}, {0x00, 0x1C, 0x07}, {0x00, 0x1C, 0x0E}, {0x00,
587 /* Index 0x7C~0x7F */
588 {0x00, 0x1C, 0x1C}, {0x00, 0x15, 0x1C}, {0x00, 0x0E, 0x1C}, {0x00,
591 /* Index 0x80~0x83 */
592 {0x0E, 0x0E, 0x1C}, {0x11, 0x0E, 0x1C}, {0x15, 0x0E, 0x1C}, {0x18,
595 /* Index 0x84~0x87 */
596 {0x1C, 0x0E, 0x1C}, {0x1C, 0x0E, 0x18}, {0x1C, 0x0E, 0x15}, {0x1C,
599 /* Index 0x88~0x8B */
600 {0x1C, 0x0E, 0x0E}, {0x1C, 0x11, 0x0E}, {0x1C, 0x15, 0x0E}, {0x1C,
603 /* Index 0x8C~0x8F */
604 {0x1C, 0x1C, 0x0E}, {0x18, 0x1C, 0x0E}, {0x15, 0x1C, 0x0E}, {0x11,
607 /* Index 0x90~0x93 */
608 {0x0E, 0x1C, 0x0E}, {0x0E, 0x1C, 0x11}, {0x0E, 0x1C, 0x15}, {0x0E,
611 /* Index 0x94~0x97 */
612 {0x0E, 0x1C, 0x1C}, {0x0E, 0x18, 0x1C}, {0x0E, 0x15, 0x1C}, {0x0E,
615 /* Index 0x98~0x9B */
616 {0x14, 0x14, 0x1C}, {0x16, 0x14, 0x1C}, {0x18, 0x14, 0x1C}, {0x1A,
619 /* Index 0x9C~0x9F */
620 {0x1C, 0x14, 0x1C}, {0x1C, 0x14, 0x1A}, {0x1C, 0x14, 0x18}, {0x1C,
623 /* Index 0xA0~0xA3 */
624 {0x1C, 0x14, 0x14}, {0x1C, 0x16, 0x14}, {0x1C, 0x18, 0x14}, {0x1C,
627 /* Index 0xA4~0xA7 */
628 {0x1C, 0x1C, 0x14}, {0x1A, 0x1C, 0x14}, {0x18, 0x1C, 0x14}, {0x16,
631 /* Index 0xA8~0xAB */
632 {0x14, 0x1C, 0x14}, {0x14, 0x1C, 0x16}, {0x14, 0x1C, 0x18}, {0x14,
635 /* Index 0xAC~0xAF */
636 {0x14, 0x1C, 0x1C}, {0x14, 0x1A, 0x1C}, {0x14, 0x18, 0x1C}, {0x14,
639 /* Index 0xB0~0xB3 */
640 {0x00, 0x00, 0x10}, {0x04, 0x00, 0x10}, {0x08, 0x00, 0x10}, {0x0C,
643 /* Index 0xB4~0xB7 */
644 {0x10, 0x00, 0x10}, {0x10, 0x00, 0x0C}, {0x10, 0x00, 0x08}, {0x10,
647 /* Index 0xB8~0xBB */
648 {0x10, 0x00, 0x00}, {0x10, 0x04, 0x00}, {0x10, 0x08, 0x00}, {0x10,
651 /* Index 0xBC~0xBF */
652 {0x10, 0x10, 0x00}, {0x0C, 0x10, 0x00}, {0x08, 0x10, 0x00}, {0x04,
655 /* Index 0xC0~0xC3 */
656 {0x00, 0x10, 0x00}, {0x00, 0x10, 0x04}, {0x00, 0x10, 0x08}, {0x00,
659 /* Index 0xC4~0xC7 */
660 {0x00, 0x10, 0x10}, {0x00, 0x0C, 0x10}, {0x00, 0x08, 0x10}, {0x00,
663 /* Index 0xC8~0xCB */
664 {0x08, 0x08, 0x10}, {0x0A, 0x08, 0x10}, {0x0C, 0x08, 0x10}, {0x0E,
667 /* Index 0xCC~0xCF */
668 {0x10, 0x08, 0x10}, {0x10, 0x08, 0x0E}, {0x10, 0x08, 0x0C}, {0x10,
671 /* Index 0xD0~0xD3 */
672 {0x10, 0x08, 0x08}, {0x10, 0x0A, 0x08}, {0x10, 0x0C, 0x08}, {0x10,
675 /* Index 0xD4~0xD7 */
676 {0x10, 0x10, 0x08}, {0x0E, 0x10, 0x08}, {0x0C, 0x10, 0x08}, {0x0A,
679 /* Index 0xD8~0xDB */
680 {0x08, 0x10, 0x08}, {0x08, 0x10, 0x0A}, {0x08, 0x10, 0x0C}, {0x08,
683 /* Index 0xDC~0xDF */
684 {0x08, 0x10, 0x10}, {0x08, 0x0E, 0x10}, {0x08, 0x0C, 0x10}, {0x08,
687 /* Index 0xE0~0xE3 */
688 {0x0B, 0x0B, 0x10}, {0x0C, 0x0B, 0x10}, {0x0D, 0x0B, 0x10}, {0x0F,
691 /* Index 0xE4~0xE7 */
692 {0x10, 0x0B, 0x10}, {0x10, 0x0B, 0x0F}, {0x10, 0x0B, 0x0D}, {0x10,
695 /* Index 0xE8~0xEB */
696 {0x10, 0x0B, 0x0B}, {0x10, 0x0C, 0x0B}, {0x10, 0x0D, 0x0B}, {0x10,
699 /* Index 0xEC~0xEF */
700 {0x10, 0x10, 0x0B}, {0x0F, 0x10, 0x0B}, {0x0D, 0x10, 0x0B}, {0x0C,
703 /* Index 0xF0~0xF3 */
704 {0x0B, 0x10, 0x0B}, {0x0B, 0x10, 0x0C}, {0x0B, 0x10, 0x0D}, {0x0B,
707 /* Index 0xF4~0xF7 */
708 {0x0B, 0x10, 0x10}, {0x0B, 0x0F, 0x10}, {0x0B, 0x0D, 0x10}, {0x0B,
711 /* Index 0xF8~0xFB */
712 {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00,
715 /* Index 0xFC~0xFF */
716 {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00, 0x00, 0x00}, {0x00,
721 static struct via_device_mapping device_mapping[] = {
727 {VIA_LVDS1, "LVDS1"},
731 static void load_fix_bit_crtc_reg(void);
732 static void __devinit init_gfx_chip_info(int chip_type);
733 static void __devinit init_tmds_chip_info(void);
734 static void __devinit init_lvds_chip_info(void);
735 static void device_screen_off(void);
736 static void device_screen_on(void);
737 static void set_display_channel(void);
738 static void device_off(void);
739 static void device_on(void);
740 static void enable_second_display_channel(void);
741 static void disable_second_display_channel(void);
743 void viafb_lock_crt(void)
745 viafb_write_reg_mask(CR11, VIACR, BIT7, BIT7);
748 void viafb_unlock_crt(void)
750 viafb_write_reg_mask(CR11, VIACR, 0, BIT7);
751 viafb_write_reg_mask(CR47, VIACR, 0, BIT0);
754 void write_dac_reg(u8 index, u8 r, u8 g, u8 b)
756 outb(index, LUT_INDEX_WRITE);
762 static u32 get_dvi_devices(int output_interface)
764 switch (output_interface) {
766 return VIA_96 | VIA_6C;
769 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
774 case INTERFACE_DFP_HIGH:
775 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
778 return VIA_LVDS2 | VIA_96;
780 case INTERFACE_DFP_LOW:
781 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
784 return VIA_DVP1 | VIA_LVDS1;
793 static u32 get_lcd_devices(int output_interface)
795 switch (output_interface) {
802 case INTERFACE_DFP_HIGH:
803 return VIA_LVDS2 | VIA_96;
805 case INTERFACE_DFP_LOW:
806 return VIA_LVDS1 | VIA_DVP1;
809 return VIA_LVDS1 | VIA_LVDS2;
811 case INTERFACE_LVDS0:
812 case INTERFACE_LVDS0LVDS1:
815 case INTERFACE_LVDS1:
822 /*Set IGA path for each device*/
823 void viafb_set_iga_path(void)
826 if (viafb_SAMM_ON == 1) {
828 if (viafb_primary_dev == CRT_Device)
829 viaparinfo->crt_setting_info->iga_path = IGA1;
831 viaparinfo->crt_setting_info->iga_path = IGA2;
835 if (viafb_primary_dev == DVI_Device)
836 viaparinfo->tmds_setting_info->iga_path = IGA1;
838 viaparinfo->tmds_setting_info->iga_path = IGA2;
842 if (viafb_primary_dev == LCD_Device) {
844 (viaparinfo->chip_info->gfx_chip_name ==
847 lvds_setting_info->iga_path = IGA2;
849 crt_setting_info->iga_path = IGA1;
851 tmds_setting_info->iga_path = IGA1;
854 lvds_setting_info->iga_path = IGA1;
856 viaparinfo->lvds_setting_info->iga_path = IGA2;
860 if (LCD2_Device == viafb_primary_dev)
861 viaparinfo->lvds_setting_info2->iga_path = IGA1;
863 viaparinfo->lvds_setting_info2->iga_path = IGA2;
868 if (viafb_CRT_ON && viafb_LCD_ON) {
869 viaparinfo->crt_setting_info->iga_path = IGA1;
870 viaparinfo->lvds_setting_info->iga_path = IGA2;
871 } else if (viafb_CRT_ON && viafb_DVI_ON) {
872 viaparinfo->crt_setting_info->iga_path = IGA1;
873 viaparinfo->tmds_setting_info->iga_path = IGA2;
874 } else if (viafb_LCD_ON && viafb_DVI_ON) {
875 viaparinfo->tmds_setting_info->iga_path = IGA1;
876 viaparinfo->lvds_setting_info->iga_path = IGA2;
877 } else if (viafb_LCD_ON && viafb_LCD2_ON) {
878 viaparinfo->lvds_setting_info->iga_path = IGA2;
879 viaparinfo->lvds_setting_info2->iga_path = IGA2;
880 } else if (viafb_CRT_ON) {
881 viaparinfo->crt_setting_info->iga_path = IGA1;
882 } else if (viafb_LCD_ON) {
883 viaparinfo->lvds_setting_info->iga_path = IGA2;
884 } else if (viafb_DVI_ON) {
885 viaparinfo->tmds_setting_info->iga_path = IGA1;
889 viaparinfo->shared->iga1_devices = 0;
890 viaparinfo->shared->iga2_devices = 0;
892 if (viaparinfo->crt_setting_info->iga_path == IGA1)
893 viaparinfo->shared->iga1_devices |= VIA_CRT;
895 viaparinfo->shared->iga2_devices |= VIA_CRT;
899 if (viaparinfo->tmds_setting_info->iga_path == IGA1)
900 viaparinfo->shared->iga1_devices |= get_dvi_devices(
901 viaparinfo->chip_info->
902 tmds_chip_info.output_interface);
904 viaparinfo->shared->iga2_devices |= get_dvi_devices(
905 viaparinfo->chip_info->
906 tmds_chip_info.output_interface);
910 if (viaparinfo->lvds_setting_info->iga_path == IGA1)
911 viaparinfo->shared->iga1_devices |= get_lcd_devices(
912 viaparinfo->chip_info->
913 lvds_chip_info.output_interface);
915 viaparinfo->shared->iga2_devices |= get_lcd_devices(
916 viaparinfo->chip_info->
917 lvds_chip_info.output_interface);
921 if (viaparinfo->lvds_setting_info2->iga_path == IGA1)
922 viaparinfo->shared->iga1_devices |= get_lcd_devices(
923 viaparinfo->chip_info->
924 lvds_chip_info2.output_interface);
926 viaparinfo->shared->iga2_devices |= get_lcd_devices(
927 viaparinfo->chip_info->
928 lvds_chip_info2.output_interface);
932 static void set_color_register(u8 index, u8 red, u8 green, u8 blue)
934 outb(0xFF, 0x3C6); /* bit mask of palette */
941 void viafb_set_primary_color_register(u8 index, u8 red, u8 green, u8 blue)
943 viafb_write_reg_mask(0x1A, VIASR, 0x00, 0x01);
944 set_color_register(index, red, green, blue);
947 void viafb_set_secondary_color_register(u8 index, u8 red, u8 green, u8 blue)
949 viafb_write_reg_mask(0x1A, VIASR, 0x01, 0x01);
950 set_color_register(index, red, green, blue);
953 static void set_source_common(u8 index, u8 offset, u8 iga)
955 u8 value, mask = 1 << offset;
965 printk(KERN_WARNING "viafb: Unsupported source: %d\n", iga);
969 via_write_reg_mask(VIACR, index, value, mask);
972 static void set_crt_source(u8 iga)
984 printk(KERN_WARNING "viafb: Unsupported source: %d\n", iga);
988 via_write_reg_mask(VIASR, 0x16, value, 0x40);
991 static inline void set_6C_source(u8 iga)
993 set_source_common(0x6C, 7, iga);
996 static inline void set_93_source(u8 iga)
998 set_source_common(0x93, 7, iga);
1001 static inline void set_96_source(u8 iga)
1003 set_source_common(0x96, 4, iga);
1006 static inline void set_dvp1_source(u8 iga)
1008 set_source_common(0x9B, 4, iga);
1011 static inline void set_lvds1_source(u8 iga)
1013 set_source_common(0x99, 4, iga);
1016 static inline void set_lvds2_source(u8 iga)
1018 set_source_common(0x97, 4, iga);
1021 void via_set_source(u32 devices, u8 iga)
1023 if (devices & VIA_6C)
1025 if (devices & VIA_93)
1027 if (devices & VIA_96)
1029 if (devices & VIA_CRT)
1030 set_crt_source(iga);
1031 if (devices & VIA_DVP1)
1032 set_dvp1_source(iga);
1033 if (devices & VIA_LVDS1)
1034 set_lvds1_source(iga);
1035 if (devices & VIA_LVDS2)
1036 set_lvds2_source(iga);
1039 static void set_crt_state(u8 state)
1047 case VIA_STATE_STANDBY:
1050 case VIA_STATE_SUSPEND:
1060 via_write_reg_mask(VIACR, 0x36, value, 0x30);
1063 static void set_96_state(u8 state)
1078 via_write_reg_mask(VIASR, 0x1E, value, 0xC0);
1081 static void set_dvp1_state(u8 state)
1096 via_write_reg_mask(VIASR, 0x1E, value, 0x30);
1099 static void set_lvds1_state(u8 state)
1114 via_write_reg_mask(VIASR, 0x2A, value, 0x03);
1117 static void set_lvds2_state(u8 state)
1132 via_write_reg_mask(VIASR, 0x2A, value, 0x0C);
1135 void via_set_state(u32 devices, u8 state)
1138 TODO: Can we enable/disable these devices? How?
1139 if (devices & VIA_6C)
1140 if (devices & VIA_93)
1142 if (devices & VIA_96)
1143 set_96_state(state);
1144 if (devices & VIA_CRT)
1145 set_crt_state(state);
1146 if (devices & VIA_DVP1)
1147 set_dvp1_state(state);
1148 if (devices & VIA_LVDS1)
1149 set_lvds1_state(state);
1150 if (devices & VIA_LVDS2)
1151 set_lvds2_state(state);
1154 u32 via_parse_odev(char *input, char **end)
1163 for (i = 0; i < ARRAY_SIZE(device_mapping); i++) {
1164 len = strlen(device_mapping[i].name);
1165 if (!strncmp(ptr, device_mapping[i].name, len)) {
1166 odev |= device_mapping[i].device;
1180 void via_odev_to_seq(struct seq_file *m, u32 odev)
1184 for (i = 0; i < ARRAY_SIZE(device_mapping); i++) {
1185 if (odev & device_mapping[i].device) {
1189 seq_puts(m, device_mapping[i].name);
1197 static void load_fix_bit_crtc_reg(void)
1199 /* always set to 1 */
1200 viafb_write_reg_mask(CR03, VIACR, 0x80, BIT7);
1201 /* line compare should set all bits = 1 (extend modes) */
1202 viafb_write_reg(CR18, VIACR, 0xff);
1203 /* line compare should set all bits = 1 (extend modes) */
1204 viafb_write_reg_mask(CR07, VIACR, 0x10, BIT4);
1205 /* line compare should set all bits = 1 (extend modes) */
1206 viafb_write_reg_mask(CR09, VIACR, 0x40, BIT6);
1207 /* line compare should set all bits = 1 (extend modes) */
1208 viafb_write_reg_mask(CR35, VIACR, 0x10, BIT4);
1209 /* line compare should set all bits = 1 (extend modes) */
1210 viafb_write_reg_mask(CR33, VIACR, 0x06, BIT0 + BIT1 + BIT2);
1211 /*viafb_write_reg_mask(CR32, VIACR, 0x01, BIT0); */
1212 /* extend mode always set to e3h */
1213 viafb_write_reg(CR17, VIACR, 0xe3);
1214 /* extend mode always set to 0h */
1215 viafb_write_reg(CR08, VIACR, 0x00);
1216 /* extend mode always set to 0h */
1217 viafb_write_reg(CR14, VIACR, 0x00);
1219 /* If K8M800, enable Prefetch Mode. */
1220 if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800)
1221 || (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K8M890))
1222 viafb_write_reg_mask(CR33, VIACR, 0x08, BIT3);
1223 if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
1224 && (viaparinfo->chip_info->gfx_chip_revision == CLE266_REVISION_AX))
1225 viafb_write_reg_mask(SR1A, VIASR, 0x02, BIT1);
1229 void viafb_load_reg(int timing_value, int viafb_load_reg_num,
1230 struct io_register *reg,
1238 int start_index, end_index, cr_index;
1241 for (i = 0; i < viafb_load_reg_num; i++) {
1244 start_index = reg[i].start_bit;
1245 end_index = reg[i].end_bit;
1246 cr_index = reg[i].io_addr;
1248 shift_next_reg = bit_num;
1249 for (j = start_index; j <= end_index; j++) {
1250 /*if (bit_num==8) timing_value = timing_value >>8; */
1251 reg_mask = reg_mask | (BIT0 << j);
1252 get_bit = (timing_value & (BIT0 << bit_num));
1254 data | ((get_bit >> shift_next_reg) << start_index);
1257 if (io_type == VIACR)
1258 viafb_write_reg_mask(cr_index, VIACR, data, reg_mask);
1260 viafb_write_reg_mask(cr_index, VIASR, data, reg_mask);
1265 /* Write Registers */
1266 void viafb_write_regx(struct io_reg RegTable[], int ItemNum)
1270 /*DEBUG_MSG(KERN_INFO "Table Size : %x!!\n",ItemNum ); */
1272 for (i = 0; i < ItemNum; i++)
1273 via_write_reg_mask(RegTable[i].port, RegTable[i].index,
1274 RegTable[i].value, RegTable[i].mask);
1277 void viafb_load_fetch_count_reg(int h_addr, int bpp_byte, int set_iga)
1280 int viafb_load_reg_num;
1281 struct io_register *reg = NULL;
1285 reg_value = IGA1_FETCH_COUNT_FORMULA(h_addr, bpp_byte);
1286 viafb_load_reg_num = fetch_count_reg.
1287 iga1_fetch_count_reg.reg_num;
1288 reg = fetch_count_reg.iga1_fetch_count_reg.reg;
1289 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
1292 reg_value = IGA2_FETCH_COUNT_FORMULA(h_addr, bpp_byte);
1293 viafb_load_reg_num = fetch_count_reg.
1294 iga2_fetch_count_reg.reg_num;
1295 reg = fetch_count_reg.iga2_fetch_count_reg.reg;
1296 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1302 void viafb_load_FIFO_reg(int set_iga, int hor_active, int ver_active)
1305 int viafb_load_reg_num;
1306 struct io_register *reg = NULL;
1307 int iga1_fifo_max_depth = 0, iga1_fifo_threshold =
1308 0, iga1_fifo_high_threshold = 0, iga1_display_queue_expire_num = 0;
1309 int iga2_fifo_max_depth = 0, iga2_fifo_threshold =
1310 0, iga2_fifo_high_threshold = 0, iga2_display_queue_expire_num = 0;
1312 if (set_iga == IGA1) {
1313 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) {
1314 iga1_fifo_max_depth = K800_IGA1_FIFO_MAX_DEPTH;
1315 iga1_fifo_threshold = K800_IGA1_FIFO_THRESHOLD;
1316 iga1_fifo_high_threshold =
1317 K800_IGA1_FIFO_HIGH_THRESHOLD;
1318 /* If resolution > 1280x1024, expire length = 64, else
1319 expire length = 128 */
1320 if ((hor_active > 1280) && (ver_active > 1024))
1321 iga1_display_queue_expire_num = 16;
1323 iga1_display_queue_expire_num =
1324 K800_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1328 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_PM800) {
1329 iga1_fifo_max_depth = P880_IGA1_FIFO_MAX_DEPTH;
1330 iga1_fifo_threshold = P880_IGA1_FIFO_THRESHOLD;
1331 iga1_fifo_high_threshold =
1332 P880_IGA1_FIFO_HIGH_THRESHOLD;
1333 iga1_display_queue_expire_num =
1334 P880_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1336 /* If resolution > 1280x1024, expire length = 64, else
1337 expire length = 128 */
1338 if ((hor_active > 1280) && (ver_active > 1024))
1339 iga1_display_queue_expire_num = 16;
1341 iga1_display_queue_expire_num =
1342 P880_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1345 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CN700) {
1346 iga1_fifo_max_depth = CN700_IGA1_FIFO_MAX_DEPTH;
1347 iga1_fifo_threshold = CN700_IGA1_FIFO_THRESHOLD;
1348 iga1_fifo_high_threshold =
1349 CN700_IGA1_FIFO_HIGH_THRESHOLD;
1351 /* If resolution > 1280x1024, expire length = 64,
1352 else expire length = 128 */
1353 if ((hor_active > 1280) && (ver_active > 1024))
1354 iga1_display_queue_expire_num = 16;
1356 iga1_display_queue_expire_num =
1357 CN700_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1360 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) {
1361 iga1_fifo_max_depth = CX700_IGA1_FIFO_MAX_DEPTH;
1362 iga1_fifo_threshold = CX700_IGA1_FIFO_THRESHOLD;
1363 iga1_fifo_high_threshold =
1364 CX700_IGA1_FIFO_HIGH_THRESHOLD;
1365 iga1_display_queue_expire_num =
1366 CX700_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1369 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K8M890) {
1370 iga1_fifo_max_depth = K8M890_IGA1_FIFO_MAX_DEPTH;
1371 iga1_fifo_threshold = K8M890_IGA1_FIFO_THRESHOLD;
1372 iga1_fifo_high_threshold =
1373 K8M890_IGA1_FIFO_HIGH_THRESHOLD;
1374 iga1_display_queue_expire_num =
1375 K8M890_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1378 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M890) {
1379 iga1_fifo_max_depth = P4M890_IGA1_FIFO_MAX_DEPTH;
1380 iga1_fifo_threshold = P4M890_IGA1_FIFO_THRESHOLD;
1381 iga1_fifo_high_threshold =
1382 P4M890_IGA1_FIFO_HIGH_THRESHOLD;
1383 iga1_display_queue_expire_num =
1384 P4M890_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1387 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M900) {
1388 iga1_fifo_max_depth = P4M900_IGA1_FIFO_MAX_DEPTH;
1389 iga1_fifo_threshold = P4M900_IGA1_FIFO_THRESHOLD;
1390 iga1_fifo_high_threshold =
1391 P4M900_IGA1_FIFO_HIGH_THRESHOLD;
1392 iga1_display_queue_expire_num =
1393 P4M900_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1396 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX800) {
1397 iga1_fifo_max_depth = VX800_IGA1_FIFO_MAX_DEPTH;
1398 iga1_fifo_threshold = VX800_IGA1_FIFO_THRESHOLD;
1399 iga1_fifo_high_threshold =
1400 VX800_IGA1_FIFO_HIGH_THRESHOLD;
1401 iga1_display_queue_expire_num =
1402 VX800_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1405 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX855) {
1406 iga1_fifo_max_depth = VX855_IGA1_FIFO_MAX_DEPTH;
1407 iga1_fifo_threshold = VX855_IGA1_FIFO_THRESHOLD;
1408 iga1_fifo_high_threshold =
1409 VX855_IGA1_FIFO_HIGH_THRESHOLD;
1410 iga1_display_queue_expire_num =
1411 VX855_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1414 /* Set Display FIFO Depath Select */
1415 reg_value = IGA1_FIFO_DEPTH_SELECT_FORMULA(iga1_fifo_max_depth);
1416 viafb_load_reg_num =
1417 display_fifo_depth_reg.iga1_fifo_depth_select_reg.reg_num;
1418 reg = display_fifo_depth_reg.iga1_fifo_depth_select_reg.reg;
1419 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
1421 /* Set Display FIFO Threshold Select */
1422 reg_value = IGA1_FIFO_THRESHOLD_FORMULA(iga1_fifo_threshold);
1423 viafb_load_reg_num =
1424 fifo_threshold_select_reg.
1425 iga1_fifo_threshold_select_reg.reg_num;
1427 fifo_threshold_select_reg.
1428 iga1_fifo_threshold_select_reg.reg;
1429 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
1431 /* Set FIFO High Threshold Select */
1433 IGA1_FIFO_HIGH_THRESHOLD_FORMULA(iga1_fifo_high_threshold);
1434 viafb_load_reg_num =
1435 fifo_high_threshold_select_reg.
1436 iga1_fifo_high_threshold_select_reg.reg_num;
1438 fifo_high_threshold_select_reg.
1439 iga1_fifo_high_threshold_select_reg.reg;
1440 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
1442 /* Set Display Queue Expire Num */
1444 IGA1_DISPLAY_QUEUE_EXPIRE_NUM_FORMULA
1445 (iga1_display_queue_expire_num);
1446 viafb_load_reg_num =
1447 display_queue_expire_num_reg.
1448 iga1_display_queue_expire_num_reg.reg_num;
1450 display_queue_expire_num_reg.
1451 iga1_display_queue_expire_num_reg.reg;
1452 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
1455 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) {
1456 iga2_fifo_max_depth = K800_IGA2_FIFO_MAX_DEPTH;
1457 iga2_fifo_threshold = K800_IGA2_FIFO_THRESHOLD;
1458 iga2_fifo_high_threshold =
1459 K800_IGA2_FIFO_HIGH_THRESHOLD;
1461 /* If resolution > 1280x1024, expire length = 64,
1462 else expire length = 128 */
1463 if ((hor_active > 1280) && (ver_active > 1024))
1464 iga2_display_queue_expire_num = 16;
1466 iga2_display_queue_expire_num =
1467 K800_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1470 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_PM800) {
1471 iga2_fifo_max_depth = P880_IGA2_FIFO_MAX_DEPTH;
1472 iga2_fifo_threshold = P880_IGA2_FIFO_THRESHOLD;
1473 iga2_fifo_high_threshold =
1474 P880_IGA2_FIFO_HIGH_THRESHOLD;
1476 /* If resolution > 1280x1024, expire length = 64,
1477 else expire length = 128 */
1478 if ((hor_active > 1280) && (ver_active > 1024))
1479 iga2_display_queue_expire_num = 16;
1481 iga2_display_queue_expire_num =
1482 P880_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1485 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CN700) {
1486 iga2_fifo_max_depth = CN700_IGA2_FIFO_MAX_DEPTH;
1487 iga2_fifo_threshold = CN700_IGA2_FIFO_THRESHOLD;
1488 iga2_fifo_high_threshold =
1489 CN700_IGA2_FIFO_HIGH_THRESHOLD;
1491 /* If resolution > 1280x1024, expire length = 64,
1492 else expire length = 128 */
1493 if ((hor_active > 1280) && (ver_active > 1024))
1494 iga2_display_queue_expire_num = 16;
1496 iga2_display_queue_expire_num =
1497 CN700_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1500 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) {
1501 iga2_fifo_max_depth = CX700_IGA2_FIFO_MAX_DEPTH;
1502 iga2_fifo_threshold = CX700_IGA2_FIFO_THRESHOLD;
1503 iga2_fifo_high_threshold =
1504 CX700_IGA2_FIFO_HIGH_THRESHOLD;
1505 iga2_display_queue_expire_num =
1506 CX700_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1509 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K8M890) {
1510 iga2_fifo_max_depth = K8M890_IGA2_FIFO_MAX_DEPTH;
1511 iga2_fifo_threshold = K8M890_IGA2_FIFO_THRESHOLD;
1512 iga2_fifo_high_threshold =
1513 K8M890_IGA2_FIFO_HIGH_THRESHOLD;
1514 iga2_display_queue_expire_num =
1515 K8M890_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1518 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M890) {
1519 iga2_fifo_max_depth = P4M890_IGA2_FIFO_MAX_DEPTH;
1520 iga2_fifo_threshold = P4M890_IGA2_FIFO_THRESHOLD;
1521 iga2_fifo_high_threshold =
1522 P4M890_IGA2_FIFO_HIGH_THRESHOLD;
1523 iga2_display_queue_expire_num =
1524 P4M890_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1527 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M900) {
1528 iga2_fifo_max_depth = P4M900_IGA2_FIFO_MAX_DEPTH;
1529 iga2_fifo_threshold = P4M900_IGA2_FIFO_THRESHOLD;
1530 iga2_fifo_high_threshold =
1531 P4M900_IGA2_FIFO_HIGH_THRESHOLD;
1532 iga2_display_queue_expire_num =
1533 P4M900_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1536 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX800) {
1537 iga2_fifo_max_depth = VX800_IGA2_FIFO_MAX_DEPTH;
1538 iga2_fifo_threshold = VX800_IGA2_FIFO_THRESHOLD;
1539 iga2_fifo_high_threshold =
1540 VX800_IGA2_FIFO_HIGH_THRESHOLD;
1541 iga2_display_queue_expire_num =
1542 VX800_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1545 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX855) {
1546 iga2_fifo_max_depth = VX855_IGA2_FIFO_MAX_DEPTH;
1547 iga2_fifo_threshold = VX855_IGA2_FIFO_THRESHOLD;
1548 iga2_fifo_high_threshold =
1549 VX855_IGA2_FIFO_HIGH_THRESHOLD;
1550 iga2_display_queue_expire_num =
1551 VX855_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1554 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) {
1555 /* Set Display FIFO Depath Select */
1557 IGA2_FIFO_DEPTH_SELECT_FORMULA(iga2_fifo_max_depth)
1559 /* Patch LCD in IGA2 case */
1560 viafb_load_reg_num =
1561 display_fifo_depth_reg.
1562 iga2_fifo_depth_select_reg.reg_num;
1564 display_fifo_depth_reg.
1565 iga2_fifo_depth_select_reg.reg;
1566 viafb_load_reg(reg_value,
1567 viafb_load_reg_num, reg, VIACR);
1570 /* Set Display FIFO Depath Select */
1572 IGA2_FIFO_DEPTH_SELECT_FORMULA(iga2_fifo_max_depth);
1573 viafb_load_reg_num =
1574 display_fifo_depth_reg.
1575 iga2_fifo_depth_select_reg.reg_num;
1577 display_fifo_depth_reg.
1578 iga2_fifo_depth_select_reg.reg;
1579 viafb_load_reg(reg_value,
1580 viafb_load_reg_num, reg, VIACR);
1583 /* Set Display FIFO Threshold Select */
1584 reg_value = IGA2_FIFO_THRESHOLD_FORMULA(iga2_fifo_threshold);
1585 viafb_load_reg_num =
1586 fifo_threshold_select_reg.
1587 iga2_fifo_threshold_select_reg.reg_num;
1589 fifo_threshold_select_reg.
1590 iga2_fifo_threshold_select_reg.reg;
1591 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1593 /* Set FIFO High Threshold Select */
1595 IGA2_FIFO_HIGH_THRESHOLD_FORMULA(iga2_fifo_high_threshold);
1596 viafb_load_reg_num =
1597 fifo_high_threshold_select_reg.
1598 iga2_fifo_high_threshold_select_reg.reg_num;
1600 fifo_high_threshold_select_reg.
1601 iga2_fifo_high_threshold_select_reg.reg;
1602 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1604 /* Set Display Queue Expire Num */
1606 IGA2_DISPLAY_QUEUE_EXPIRE_NUM_FORMULA
1607 (iga2_display_queue_expire_num);
1608 viafb_load_reg_num =
1609 display_queue_expire_num_reg.
1610 iga2_display_queue_expire_num_reg.reg_num;
1612 display_queue_expire_num_reg.
1613 iga2_display_queue_expire_num_reg.reg;
1614 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1620 static u32 cle266_encode_pll(struct pll_config pll)
1622 return (pll.multiplier << 8)
1627 static u32 k800_encode_pll(struct pll_config pll)
1629 return ((pll.divisor - 2) << 16)
1630 | (pll.rshift << 10)
1631 | (pll.multiplier - 2);
1634 static u32 vx855_encode_pll(struct pll_config pll)
1636 return (pll.divisor << 16)
1637 | (pll.rshift << 10)
1641 u32 viafb_get_clk_value(int clk)
1646 while (i < NUM_TOTAL_PLL_TABLE && clk != pll_value[i].clk)
1649 if (i == NUM_TOTAL_PLL_TABLE) {
1650 printk(KERN_WARNING "viafb_get_clk_value: PLL lookup failed!");
1652 switch (viaparinfo->chip_info->gfx_chip_name) {
1653 case UNICHROME_CLE266:
1654 case UNICHROME_K400:
1655 value = cle266_encode_pll(pll_value[i].cle266_pll);
1658 case UNICHROME_K800:
1659 case UNICHROME_PM800:
1660 case UNICHROME_CN700:
1661 value = k800_encode_pll(pll_value[i].k800_pll);
1664 case UNICHROME_CX700:
1665 case UNICHROME_CN750:
1666 case UNICHROME_K8M890:
1667 case UNICHROME_P4M890:
1668 case UNICHROME_P4M900:
1669 case UNICHROME_VX800:
1670 value = k800_encode_pll(pll_value[i].cx700_pll);
1673 case UNICHROME_VX855:
1674 value = vx855_encode_pll(pll_value[i].vx855_pll);
1683 void viafb_set_vclock(u32 clk, int set_iga)
1685 /* H.W. Reset : ON */
1686 viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7);
1688 if (set_iga == IGA1) {
1689 /* Change D,N FOR VCLK */
1690 switch (viaparinfo->chip_info->gfx_chip_name) {
1691 case UNICHROME_CLE266:
1692 case UNICHROME_K400:
1693 via_write_reg(VIASR, SR46, (clk & 0x00FF));
1694 via_write_reg(VIASR, SR47, (clk & 0xFF00) >> 8);
1697 case UNICHROME_K800:
1698 case UNICHROME_PM800:
1699 case UNICHROME_CN700:
1700 case UNICHROME_CX700:
1701 case UNICHROME_CN750:
1702 case UNICHROME_K8M890:
1703 case UNICHROME_P4M890:
1704 case UNICHROME_P4M900:
1705 case UNICHROME_VX800:
1706 case UNICHROME_VX855:
1707 via_write_reg(VIASR, SR44, (clk & 0x0000FF));
1708 via_write_reg(VIASR, SR45, (clk & 0x00FF00) >> 8);
1709 via_write_reg(VIASR, SR46, (clk & 0xFF0000) >> 16);
1714 if (set_iga == IGA2) {
1715 /* Change D,N FOR LCK */
1716 switch (viaparinfo->chip_info->gfx_chip_name) {
1717 case UNICHROME_CLE266:
1718 case UNICHROME_K400:
1719 via_write_reg(VIASR, SR44, (clk & 0x00FF));
1720 via_write_reg(VIASR, SR45, (clk & 0xFF00) >> 8);
1723 case UNICHROME_K800:
1724 case UNICHROME_PM800:
1725 case UNICHROME_CN700:
1726 case UNICHROME_CX700:
1727 case UNICHROME_CN750:
1728 case UNICHROME_K8M890:
1729 case UNICHROME_P4M890:
1730 case UNICHROME_P4M900:
1731 case UNICHROME_VX800:
1732 case UNICHROME_VX855:
1733 via_write_reg(VIASR, SR4A, (clk & 0x0000FF));
1734 via_write_reg(VIASR, SR4B, (clk & 0x00FF00) >> 8);
1735 via_write_reg(VIASR, SR4C, (clk & 0xFF0000) >> 16);
1740 /* H.W. Reset : OFF */
1741 viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7);
1744 if (set_iga == IGA1) {
1745 viafb_write_reg_mask(SR40, VIASR, 0x02, BIT1);
1746 viafb_write_reg_mask(SR40, VIASR, 0x00, BIT1);
1749 if (set_iga == IGA2) {
1750 viafb_write_reg_mask(SR40, VIASR, 0x04, BIT2);
1751 viafb_write_reg_mask(SR40, VIASR, 0x00, BIT2);
1755 via_write_misc_reg_mask(0x0C, 0x0C); /* select external clock */
1758 void viafb_load_crtc_timing(struct display_timing device_timing,
1762 int viafb_load_reg_num = 0;
1764 struct io_register *reg = NULL;
1768 for (i = 0; i < 12; i++) {
1769 if (set_iga == IGA1) {
1773 IGA1_HOR_TOTAL_FORMULA(device_timing.
1775 viafb_load_reg_num =
1776 iga1_crtc_reg.hor_total.reg_num;
1777 reg = iga1_crtc_reg.hor_total.reg;
1781 IGA1_HOR_ADDR_FORMULA(device_timing.
1783 viafb_load_reg_num =
1784 iga1_crtc_reg.hor_addr.reg_num;
1785 reg = iga1_crtc_reg.hor_addr.reg;
1787 case H_BLANK_START_INDEX:
1789 IGA1_HOR_BLANK_START_FORMULA
1790 (device_timing.hor_blank_start);
1791 viafb_load_reg_num =
1792 iga1_crtc_reg.hor_blank_start.reg_num;
1793 reg = iga1_crtc_reg.hor_blank_start.reg;
1795 case H_BLANK_END_INDEX:
1797 IGA1_HOR_BLANK_END_FORMULA
1798 (device_timing.hor_blank_start,
1799 device_timing.hor_blank_end);
1800 viafb_load_reg_num =
1801 iga1_crtc_reg.hor_blank_end.reg_num;
1802 reg = iga1_crtc_reg.hor_blank_end.reg;
1804 case H_SYNC_START_INDEX:
1806 IGA1_HOR_SYNC_START_FORMULA
1807 (device_timing.hor_sync_start);
1808 viafb_load_reg_num =
1809 iga1_crtc_reg.hor_sync_start.reg_num;
1810 reg = iga1_crtc_reg.hor_sync_start.reg;
1812 case H_SYNC_END_INDEX:
1814 IGA1_HOR_SYNC_END_FORMULA
1815 (device_timing.hor_sync_start,
1816 device_timing.hor_sync_end);
1817 viafb_load_reg_num =
1818 iga1_crtc_reg.hor_sync_end.reg_num;
1819 reg = iga1_crtc_reg.hor_sync_end.reg;
1823 IGA1_VER_TOTAL_FORMULA(device_timing.
1825 viafb_load_reg_num =
1826 iga1_crtc_reg.ver_total.reg_num;
1827 reg = iga1_crtc_reg.ver_total.reg;
1831 IGA1_VER_ADDR_FORMULA(device_timing.
1833 viafb_load_reg_num =
1834 iga1_crtc_reg.ver_addr.reg_num;
1835 reg = iga1_crtc_reg.ver_addr.reg;
1837 case V_BLANK_START_INDEX:
1839 IGA1_VER_BLANK_START_FORMULA
1840 (device_timing.ver_blank_start);
1841 viafb_load_reg_num =
1842 iga1_crtc_reg.ver_blank_start.reg_num;
1843 reg = iga1_crtc_reg.ver_blank_start.reg;
1845 case V_BLANK_END_INDEX:
1847 IGA1_VER_BLANK_END_FORMULA
1848 (device_timing.ver_blank_start,
1849 device_timing.ver_blank_end);
1850 viafb_load_reg_num =
1851 iga1_crtc_reg.ver_blank_end.reg_num;
1852 reg = iga1_crtc_reg.ver_blank_end.reg;
1854 case V_SYNC_START_INDEX:
1856 IGA1_VER_SYNC_START_FORMULA
1857 (device_timing.ver_sync_start);
1858 viafb_load_reg_num =
1859 iga1_crtc_reg.ver_sync_start.reg_num;
1860 reg = iga1_crtc_reg.ver_sync_start.reg;
1862 case V_SYNC_END_INDEX:
1864 IGA1_VER_SYNC_END_FORMULA
1865 (device_timing.ver_sync_start,
1866 device_timing.ver_sync_end);
1867 viafb_load_reg_num =
1868 iga1_crtc_reg.ver_sync_end.reg_num;
1869 reg = iga1_crtc_reg.ver_sync_end.reg;
1875 if (set_iga == IGA2) {
1879 IGA2_HOR_TOTAL_FORMULA(device_timing.
1881 viafb_load_reg_num =
1882 iga2_crtc_reg.hor_total.reg_num;
1883 reg = iga2_crtc_reg.hor_total.reg;
1887 IGA2_HOR_ADDR_FORMULA(device_timing.
1889 viafb_load_reg_num =
1890 iga2_crtc_reg.hor_addr.reg_num;
1891 reg = iga2_crtc_reg.hor_addr.reg;
1893 case H_BLANK_START_INDEX:
1895 IGA2_HOR_BLANK_START_FORMULA
1896 (device_timing.hor_blank_start);
1897 viafb_load_reg_num =
1898 iga2_crtc_reg.hor_blank_start.reg_num;
1899 reg = iga2_crtc_reg.hor_blank_start.reg;
1901 case H_BLANK_END_INDEX:
1903 IGA2_HOR_BLANK_END_FORMULA
1904 (device_timing.hor_blank_start,
1905 device_timing.hor_blank_end);
1906 viafb_load_reg_num =
1907 iga2_crtc_reg.hor_blank_end.reg_num;
1908 reg = iga2_crtc_reg.hor_blank_end.reg;
1910 case H_SYNC_START_INDEX:
1912 IGA2_HOR_SYNC_START_FORMULA
1913 (device_timing.hor_sync_start);
1914 if (UNICHROME_CN700 <=
1915 viaparinfo->chip_info->gfx_chip_name)
1916 viafb_load_reg_num =
1917 iga2_crtc_reg.hor_sync_start.
1920 viafb_load_reg_num = 3;
1921 reg = iga2_crtc_reg.hor_sync_start.reg;
1923 case H_SYNC_END_INDEX:
1925 IGA2_HOR_SYNC_END_FORMULA
1926 (device_timing.hor_sync_start,
1927 device_timing.hor_sync_end);
1928 viafb_load_reg_num =
1929 iga2_crtc_reg.hor_sync_end.reg_num;
1930 reg = iga2_crtc_reg.hor_sync_end.reg;
1934 IGA2_VER_TOTAL_FORMULA(device_timing.
1936 viafb_load_reg_num =
1937 iga2_crtc_reg.ver_total.reg_num;
1938 reg = iga2_crtc_reg.ver_total.reg;
1942 IGA2_VER_ADDR_FORMULA(device_timing.
1944 viafb_load_reg_num =
1945 iga2_crtc_reg.ver_addr.reg_num;
1946 reg = iga2_crtc_reg.ver_addr.reg;
1948 case V_BLANK_START_INDEX:
1950 IGA2_VER_BLANK_START_FORMULA
1951 (device_timing.ver_blank_start);
1952 viafb_load_reg_num =
1953 iga2_crtc_reg.ver_blank_start.reg_num;
1954 reg = iga2_crtc_reg.ver_blank_start.reg;
1956 case V_BLANK_END_INDEX:
1958 IGA2_VER_BLANK_END_FORMULA
1959 (device_timing.ver_blank_start,
1960 device_timing.ver_blank_end);
1961 viafb_load_reg_num =
1962 iga2_crtc_reg.ver_blank_end.reg_num;
1963 reg = iga2_crtc_reg.ver_blank_end.reg;
1965 case V_SYNC_START_INDEX:
1967 IGA2_VER_SYNC_START_FORMULA
1968 (device_timing.ver_sync_start);
1969 viafb_load_reg_num =
1970 iga2_crtc_reg.ver_sync_start.reg_num;
1971 reg = iga2_crtc_reg.ver_sync_start.reg;
1973 case V_SYNC_END_INDEX:
1975 IGA2_VER_SYNC_END_FORMULA
1976 (device_timing.ver_sync_start,
1977 device_timing.ver_sync_end);
1978 viafb_load_reg_num =
1979 iga2_crtc_reg.ver_sync_end.reg_num;
1980 reg = iga2_crtc_reg.ver_sync_end.reg;
1985 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1991 void viafb_fill_crtc_timing(struct crt_mode_table *crt_table,
1992 struct VideoModeTable *video_mode, int bpp_byte, int set_iga)
1994 struct display_timing crt_reg;
2001 for (i = 0; i < video_mode->mode_array; i++) {
2004 if (crt_table[i].refresh_rate == viaparinfo->
2005 crt_setting_info->refresh_rate)
2009 crt_reg = crt_table[index].crtc;
2011 /* Mode 640x480 has border, but LCD/DFP didn't have border. */
2012 /* So we would delete border. */
2013 if ((viafb_LCD_ON | viafb_DVI_ON)
2014 && video_mode->crtc[0].crtc.hor_addr == 640
2015 && video_mode->crtc[0].crtc.ver_addr == 480
2016 && viaparinfo->crt_setting_info->refresh_rate == 60) {
2017 /* The border is 8 pixels. */
2018 crt_reg.hor_blank_start = crt_reg.hor_blank_start - 8;
2020 /* Blanking time should add left and right borders. */
2021 crt_reg.hor_blank_end = crt_reg.hor_blank_end + 16;
2024 h_addr = crt_reg.hor_addr;
2025 v_addr = crt_reg.ver_addr;
2027 /* update polarity for CRT timing */
2028 if (crt_table[index].h_sync_polarity == NEGATIVE)
2030 if (crt_table[index].v_sync_polarity == NEGATIVE)
2032 via_write_misc_reg_mask(polarity, BIT6 | BIT7);
2034 if (set_iga == IGA1) {
2036 viafb_write_reg(CR09, VIACR, 0x00); /*initial CR09=0 */
2037 viafb_write_reg_mask(CR11, VIACR, 0x00, BIT4 + BIT5 + BIT6);
2038 viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7);
2043 viafb_load_crtc_timing(crt_reg, IGA1);
2046 viafb_load_crtc_timing(crt_reg, IGA2);
2050 load_fix_bit_crtc_reg();
2052 viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7);
2053 viafb_load_fetch_count_reg(h_addr, bpp_byte, set_iga);
2056 if ((viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266)
2057 && (viaparinfo->chip_info->gfx_chip_name != UNICHROME_K400))
2058 viafb_load_FIFO_reg(set_iga, h_addr, v_addr);
2060 pll_D_N = viafb_get_clk_value(crt_table[index].clk);
2061 DEBUG_MSG(KERN_INFO "PLL=%x", pll_D_N);
2062 viafb_set_vclock(pll_D_N, set_iga);
2066 void __devinit viafb_init_chip_info(int chip_type)
2068 init_gfx_chip_info(chip_type);
2069 init_tmds_chip_info();
2070 init_lvds_chip_info();
2072 viaparinfo->crt_setting_info->iga_path = IGA1;
2073 viaparinfo->crt_setting_info->refresh_rate = viafb_refresh;
2075 /*Set IGA path for each device */
2076 viafb_set_iga_path();
2078 viaparinfo->lvds_setting_info->display_method = viafb_lcd_dsp_method;
2079 viaparinfo->lvds_setting_info->lcd_mode = viafb_lcd_mode;
2080 viaparinfo->lvds_setting_info2->display_method =
2081 viaparinfo->lvds_setting_info->display_method;
2082 viaparinfo->lvds_setting_info2->lcd_mode =
2083 viaparinfo->lvds_setting_info->lcd_mode;
2086 void viafb_update_device_setting(int hres, int vres,
2087 int bpp, int vmode_refresh, int flag)
2090 viaparinfo->crt_setting_info->h_active = hres;
2091 viaparinfo->crt_setting_info->v_active = vres;
2092 viaparinfo->crt_setting_info->bpp = bpp;
2093 viaparinfo->crt_setting_info->refresh_rate =
2096 viaparinfo->tmds_setting_info->h_active = hres;
2097 viaparinfo->tmds_setting_info->v_active = vres;
2099 viaparinfo->lvds_setting_info->h_active = hres;
2100 viaparinfo->lvds_setting_info->v_active = vres;
2101 viaparinfo->lvds_setting_info->bpp = bpp;
2102 viaparinfo->lvds_setting_info->refresh_rate =
2104 viaparinfo->lvds_setting_info2->h_active = hres;
2105 viaparinfo->lvds_setting_info2->v_active = vres;
2106 viaparinfo->lvds_setting_info2->bpp = bpp;
2107 viaparinfo->lvds_setting_info2->refresh_rate =
2111 if (viaparinfo->tmds_setting_info->iga_path == IGA2) {
2112 viaparinfo->tmds_setting_info->h_active = hres;
2113 viaparinfo->tmds_setting_info->v_active = vres;
2116 if (viaparinfo->lvds_setting_info->iga_path == IGA2) {
2117 viaparinfo->lvds_setting_info->h_active = hres;
2118 viaparinfo->lvds_setting_info->v_active = vres;
2119 viaparinfo->lvds_setting_info->bpp = bpp;
2120 viaparinfo->lvds_setting_info->refresh_rate =
2123 if (IGA2 == viaparinfo->lvds_setting_info2->iga_path) {
2124 viaparinfo->lvds_setting_info2->h_active = hres;
2125 viaparinfo->lvds_setting_info2->v_active = vres;
2126 viaparinfo->lvds_setting_info2->bpp = bpp;
2127 viaparinfo->lvds_setting_info2->refresh_rate =
2133 static void __devinit init_gfx_chip_info(int chip_type)
2137 viaparinfo->chip_info->gfx_chip_name = chip_type;
2139 /* Check revision of CLE266 Chip */
2140 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) {
2141 /* CR4F only define in CLE266.CX chip */
2142 tmp = viafb_read_reg(VIACR, CR4F);
2143 viafb_write_reg(CR4F, VIACR, 0x55);
2144 if (viafb_read_reg(VIACR, CR4F) != 0x55)
2145 viaparinfo->chip_info->gfx_chip_revision =
2148 viaparinfo->chip_info->gfx_chip_revision =
2150 /* restore orignal CR4F value */
2151 viafb_write_reg(CR4F, VIACR, tmp);
2154 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) {
2155 tmp = viafb_read_reg(VIASR, SR43);
2156 DEBUG_MSG(KERN_INFO "SR43:%X\n", tmp);
2158 viaparinfo->chip_info->gfx_chip_revision =
2159 CX700_REVISION_700M2;
2160 } else if (tmp & 0x40) {
2161 viaparinfo->chip_info->gfx_chip_revision =
2162 CX700_REVISION_700M;
2164 viaparinfo->chip_info->gfx_chip_revision =
2169 /* Determine which 2D engine we have */
2170 switch (viaparinfo->chip_info->gfx_chip_name) {
2171 case UNICHROME_VX800:
2172 case UNICHROME_VX855:
2173 viaparinfo->chip_info->twod_engine = VIA_2D_ENG_M1;
2175 case UNICHROME_K8M890:
2176 case UNICHROME_P4M900:
2177 viaparinfo->chip_info->twod_engine = VIA_2D_ENG_H5;
2180 viaparinfo->chip_info->twod_engine = VIA_2D_ENG_H2;
2185 static void __devinit init_tmds_chip_info(void)
2187 viafb_tmds_trasmitter_identify();
2189 if (INTERFACE_NONE == viaparinfo->chip_info->tmds_chip_info.
2191 switch (viaparinfo->chip_info->gfx_chip_name) {
2192 case UNICHROME_CX700:
2194 /* we should check support by hardware layout.*/
2195 if ((viafb_display_hardware_layout ==
2197 || (viafb_display_hardware_layout ==
2198 HW_LAYOUT_LCD_DVI)) {
2199 viaparinfo->chip_info->tmds_chip_info.
2200 output_interface = INTERFACE_TMDS;
2202 viaparinfo->chip_info->tmds_chip_info.
2208 case UNICHROME_K8M890:
2209 case UNICHROME_P4M900:
2210 case UNICHROME_P4M890:
2211 /* TMDS on PCIE, we set DFPLOW as default. */
2212 viaparinfo->chip_info->tmds_chip_info.output_interface =
2217 /* set DVP1 default for DVI */
2218 viaparinfo->chip_info->tmds_chip_info
2219 .output_interface = INTERFACE_DVP1;
2224 DEBUG_MSG(KERN_INFO "TMDS Chip = %d\n",
2225 viaparinfo->chip_info->tmds_chip_info.tmds_chip_name);
2226 viafb_init_dvi_size(&viaparinfo->shared->chip_info.tmds_chip_info,
2227 &viaparinfo->shared->tmds_setting_info);
2230 static void __devinit init_lvds_chip_info(void)
2232 viafb_lvds_trasmitter_identify();
2233 viafb_init_lcd_size();
2234 viafb_init_lvds_output_interface(&viaparinfo->chip_info->lvds_chip_info,
2235 viaparinfo->lvds_setting_info);
2236 if (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
2237 viafb_init_lvds_output_interface(&viaparinfo->chip_info->
2238 lvds_chip_info2, viaparinfo->lvds_setting_info2);
2240 /*If CX700,two singel LCD, we need to reassign
2241 LCD interface to different LVDS port */
2242 if ((UNICHROME_CX700 == viaparinfo->chip_info->gfx_chip_name)
2243 && (HW_LAYOUT_LCD1_LCD2 == viafb_display_hardware_layout)) {
2244 if ((INTEGRATED_LVDS == viaparinfo->chip_info->lvds_chip_info.
2245 lvds_chip_name) && (INTEGRATED_LVDS ==
2246 viaparinfo->chip_info->
2247 lvds_chip_info2.lvds_chip_name)) {
2248 viaparinfo->chip_info->lvds_chip_info.output_interface =
2250 viaparinfo->chip_info->lvds_chip_info2.
2256 DEBUG_MSG(KERN_INFO "LVDS Chip = %d\n",
2257 viaparinfo->chip_info->lvds_chip_info.lvds_chip_name);
2258 DEBUG_MSG(KERN_INFO "LVDS1 output_interface = %d\n",
2259 viaparinfo->chip_info->lvds_chip_info.output_interface);
2260 DEBUG_MSG(KERN_INFO "LVDS2 output_interface = %d\n",
2261 viaparinfo->chip_info->lvds_chip_info.output_interface);
2264 void __devinit viafb_init_dac(int set_iga)
2269 if (set_iga == IGA1) {
2270 /* access Primary Display's LUT */
2271 viafb_write_reg_mask(SR1A, VIASR, 0x00, BIT0);
2273 viafb_write_reg_mask(SR1B, VIASR, 0x00, BIT7 + BIT6);
2274 for (i = 0; i < 256; i++) {
2275 write_dac_reg(i, palLUT_table[i].red,
2276 palLUT_table[i].green,
2277 palLUT_table[i].blue);
2280 viafb_write_reg_mask(SR1B, VIASR, 0xC0, BIT7 + BIT6);
2282 tmp = viafb_read_reg(VIACR, CR6A);
2283 /* access Secondary Display's LUT */
2284 viafb_write_reg_mask(CR6A, VIACR, 0x40, BIT6);
2285 viafb_write_reg_mask(SR1A, VIASR, 0x01, BIT0);
2286 for (i = 0; i < 256; i++) {
2287 write_dac_reg(i, palLUT_table[i].red,
2288 palLUT_table[i].green,
2289 palLUT_table[i].blue);
2291 /* set IGA1 DAC for default */
2292 viafb_write_reg_mask(SR1A, VIASR, 0x00, BIT0);
2293 viafb_write_reg(CR6A, VIACR, tmp);
2297 static void device_screen_off(void)
2299 /* turn off CRT screen (IGA1) */
2300 viafb_write_reg_mask(SR01, VIASR, 0x20, BIT5);
2303 static void device_screen_on(void)
2305 /* turn on CRT screen (IGA1) */
2306 viafb_write_reg_mask(SR01, VIASR, 0x00, BIT5);
2309 static void set_display_channel(void)
2311 /*If viafb_LCD2_ON, on cx700, internal lvds's information
2312 is keeped on lvds_setting_info2 */
2313 if (viafb_LCD2_ON &&
2314 viaparinfo->lvds_setting_info2->device_lcd_dualedge) {
2315 /* For dual channel LCD: */
2316 /* Set to Dual LVDS channel. */
2317 viafb_write_reg_mask(CRD2, VIACR, 0x20, BIT4 + BIT5);
2318 } else if (viafb_LCD_ON && viafb_DVI_ON) {
2320 /* Set to LVDS1 + TMDS channel. */
2321 viafb_write_reg_mask(CRD2, VIACR, 0x10, BIT4 + BIT5);
2322 } else if (viafb_DVI_ON) {
2323 /* Set to single TMDS channel. */
2324 viafb_write_reg_mask(CRD2, VIACR, 0x30, BIT4 + BIT5);
2325 } else if (viafb_LCD_ON) {
2326 if (viaparinfo->lvds_setting_info->device_lcd_dualedge) {
2327 /* For dual channel LCD: */
2328 /* Set to Dual LVDS channel. */
2329 viafb_write_reg_mask(CRD2, VIACR, 0x20, BIT4 + BIT5);
2331 /* Set to LVDS0 + LVDS1 channel. */
2332 viafb_write_reg_mask(CRD2, VIACR, 0x00, BIT4 + BIT5);
2337 int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
2338 struct VideoModeTable *vmode_tbl1, int video_bpp1)
2342 u32 devices = viaparinfo->shared->iga1_devices
2343 | viaparinfo->shared->iga2_devices;
2344 u8 value, index, mask;
2345 struct crt_mode_table *crt_timing;
2346 struct crt_mode_table *crt_timing1 = NULL;
2348 device_screen_off();
2349 crt_timing = vmode_tbl->crtc;
2351 if (viafb_SAMM_ON == 1) {
2352 crt_timing1 = vmode_tbl1->crtc;
2358 /* Write Common Setting for Video Mode */
2359 switch (viaparinfo->chip_info->gfx_chip_name) {
2360 case UNICHROME_CLE266:
2361 viafb_write_regx(CLE266_ModeXregs, NUM_TOTAL_CLE266_ModeXregs);
2364 case UNICHROME_K400:
2365 viafb_write_regx(KM400_ModeXregs, NUM_TOTAL_KM400_ModeXregs);
2368 case UNICHROME_K800:
2369 case UNICHROME_PM800:
2370 viafb_write_regx(CN400_ModeXregs, NUM_TOTAL_CN400_ModeXregs);
2373 case UNICHROME_CN700:
2374 case UNICHROME_K8M890:
2375 case UNICHROME_P4M890:
2376 case UNICHROME_P4M900:
2377 viafb_write_regx(CN700_ModeXregs, NUM_TOTAL_CN700_ModeXregs);
2380 case UNICHROME_CX700:
2381 case UNICHROME_VX800:
2382 viafb_write_regx(CX700_ModeXregs, NUM_TOTAL_CX700_ModeXregs);
2385 case UNICHROME_VX855:
2386 viafb_write_regx(VX855_ModeXregs, NUM_TOTAL_VX855_ModeXregs);
2391 via_set_state(devices, VIA_STATE_OFF);
2393 /* Fill VPIT Parameters */
2394 /* Write Misc Register */
2395 outb(VPIT.Misc, VIA_MISC_REG_WRITE);
2397 /* Write Sequencer */
2398 for (i = 1; i <= StdSR; i++)
2399 via_write_reg(VIASR, i, VPIT.SR[i - 1]);
2401 viafb_write_reg_mask(0x15, VIASR, 0xA2, 0xA2);
2404 viafb_fill_crtc_timing(crt_timing, vmode_tbl, video_bpp / 8, IGA1);
2406 /* Write Graphic Controller */
2407 for (i = 0; i < StdGR; i++)
2408 via_write_reg(VIAGR, i, VPIT.GR[i]);
2410 /* Write Attribute Controller */
2411 for (i = 0; i < StdAR; i++) {
2414 outb(VPIT.AR[i], VIAAR);
2420 /* Update Patch Register */
2422 if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266
2423 || viaparinfo->chip_info->gfx_chip_name == UNICHROME_K400)
2424 && vmode_tbl->crtc[0].crtc.hor_addr == 1024
2425 && vmode_tbl->crtc[0].crtc.ver_addr == 768) {
2426 for (j = 0; j < res_patch_table[0].table_length; j++) {
2427 index = res_patch_table[0].io_reg_table[j].index;
2428 port = res_patch_table[0].io_reg_table[j].port;
2429 value = res_patch_table[0].io_reg_table[j].value;
2430 mask = res_patch_table[0].io_reg_table[j].mask;
2431 viafb_write_reg_mask(index, port, value, mask);
2435 via_set_primary_pitch(viafbinfo->fix.line_length);
2436 via_set_secondary_pitch(viafb_dual_fb ? viafbinfo1->fix.line_length
2437 : viafbinfo->fix.line_length);
2438 via_set_primary_color_depth(viaparinfo->depth);
2439 via_set_secondary_color_depth(viafb_dual_fb ? viaparinfo1->depth
2440 : viaparinfo->depth);
2441 via_set_source(viaparinfo->shared->iga1_devices, IGA1);
2442 via_set_source(viaparinfo->shared->iga2_devices, IGA2);
2443 if (viaparinfo->shared->iga2_devices)
2444 enable_second_display_channel();
2446 disable_second_display_channel();
2448 /* Update Refresh Rate Setting */
2450 /* Clear On Screen */
2454 if (viafb_SAMM_ON && (viaparinfo->crt_setting_info->iga_path ==
2456 viafb_fill_crtc_timing(crt_timing1, vmode_tbl1,
2458 viaparinfo->crt_setting_info->iga_path);
2460 viafb_fill_crtc_timing(crt_timing, vmode_tbl,
2462 viaparinfo->crt_setting_info->iga_path);
2465 /* Patch if set_hres is not 8 alignment (1366) to viafb_setmode
2466 to 8 alignment (1368),there is several pixels (2 pixels)
2467 on right side of screen. */
2468 if (vmode_tbl->crtc[0].crtc.hor_addr % 8) {
2470 viafb_write_reg(CR02, VIACR,
2471 viafb_read_reg(VIACR, CR02) - 1);
2477 if (viafb_SAMM_ON &&
2478 (viaparinfo->tmds_setting_info->iga_path == IGA2)) {
2479 viafb_dvi_set_mode(viafb_get_mode
2480 (viaparinfo->tmds_setting_info->h_active,
2481 viaparinfo->tmds_setting_info->
2483 video_bpp1, viaparinfo->
2484 tmds_setting_info->iga_path);
2486 viafb_dvi_set_mode(viafb_get_mode
2487 (viaparinfo->tmds_setting_info->h_active,
2489 tmds_setting_info->v_active),
2490 video_bpp, viaparinfo->
2491 tmds_setting_info->iga_path);
2496 if (viafb_SAMM_ON &&
2497 (viaparinfo->lvds_setting_info->iga_path == IGA2)) {
2498 viaparinfo->lvds_setting_info->bpp = video_bpp1;
2499 viafb_lcd_set_mode(crt_timing1, viaparinfo->
2501 &viaparinfo->chip_info->lvds_chip_info);
2503 /* IGA1 doesn't have LCD scaling, so set it center. */
2504 if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
2505 viaparinfo->lvds_setting_info->display_method =
2508 viaparinfo->lvds_setting_info->bpp = video_bpp;
2509 viafb_lcd_set_mode(crt_timing, viaparinfo->
2511 &viaparinfo->chip_info->lvds_chip_info);
2514 if (viafb_LCD2_ON) {
2515 if (viafb_SAMM_ON &&
2516 (viaparinfo->lvds_setting_info2->iga_path == IGA2)) {
2517 viaparinfo->lvds_setting_info2->bpp = video_bpp1;
2518 viafb_lcd_set_mode(crt_timing1, viaparinfo->
2520 &viaparinfo->chip_info->lvds_chip_info2);
2522 /* IGA1 doesn't have LCD scaling, so set it center. */
2523 if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
2524 viaparinfo->lvds_setting_info2->display_method =
2527 viaparinfo->lvds_setting_info2->bpp = video_bpp;
2528 viafb_lcd_set_mode(crt_timing, viaparinfo->
2530 &viaparinfo->chip_info->lvds_chip_info2);
2534 if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700)
2535 && (viafb_LCD_ON || viafb_DVI_ON))
2536 set_display_channel();
2538 /* If set mode normally, save resolution information for hot-plug . */
2539 if (!viafb_hotplug) {
2540 viafb_hotplug_Xres = vmode_tbl->crtc[0].crtc.hor_addr;
2541 viafb_hotplug_Yres = vmode_tbl->crtc[0].crtc.ver_addr;
2542 viafb_hotplug_bpp = video_bpp;
2543 viafb_hotplug_refresh = viafb_refresh;
2546 viafb_DeviceStatus = DVI_Device;
2548 viafb_DeviceStatus = CRT_Device;
2551 via_set_state(devices, VIA_STATE_ON);
2556 int viafb_get_pixclock(int hres, int vres, int vmode_refresh)
2560 for (i = 0; i < NUM_TOTAL_RES_MAP_REFRESH; i++) {
2561 if ((hres == res_map_refresh_tbl[i].hres)
2562 && (vres == res_map_refresh_tbl[i].vres)
2563 && (vmode_refresh == res_map_refresh_tbl[i].vmode_refresh))
2564 return res_map_refresh_tbl[i].pixclock;
2566 return RES_640X480_60HZ_PIXCLOCK;
2570 int viafb_get_refresh(int hres, int vres, u32 long_refresh)
2572 #define REFRESH_TOLERANCE 3
2573 int i, nearest = -1, diff = REFRESH_TOLERANCE;
2574 for (i = 0; i < NUM_TOTAL_RES_MAP_REFRESH; i++) {
2575 if ((hres == res_map_refresh_tbl[i].hres)
2576 && (vres == res_map_refresh_tbl[i].vres)
2577 && (diff > (abs(long_refresh -
2578 res_map_refresh_tbl[i].vmode_refresh)))) {
2579 diff = abs(long_refresh - res_map_refresh_tbl[i].
2584 #undef REFRESH_TOLERANCE
2586 return res_map_refresh_tbl[nearest].vmode_refresh;
2590 static void device_off(void)
2592 viafb_dvi_disable();
2593 viafb_lcd_disable();
2596 static void device_on(void)
2598 if (viafb_DVI_ON == 1)
2600 if (viafb_LCD_ON == 1)
2604 static void enable_second_display_channel(void)
2606 /* to enable second display channel. */
2607 viafb_write_reg_mask(CR6A, VIACR, 0x00, BIT6);
2608 viafb_write_reg_mask(CR6A, VIACR, BIT7, BIT7);
2609 viafb_write_reg_mask(CR6A, VIACR, BIT6, BIT6);
2612 static void disable_second_display_channel(void)
2614 /* to disable second display channel. */
2615 viafb_write_reg_mask(CR6A, VIACR, 0x00, BIT6);
2616 viafb_write_reg_mask(CR6A, VIACR, 0x00, BIT7);
2617 viafb_write_reg_mask(CR6A, VIACR, BIT6, BIT6);
2620 void viafb_set_dpa_gfx(int output_interface, struct GFX_DPA_SETTING\
2623 switch (output_interface) {
2624 case INTERFACE_DVP0:
2626 /* DVP0 Clock Polarity and Adjust: */
2627 viafb_write_reg_mask(CR96, VIACR,
2628 p_gfx_dpa_setting->DVP0, 0x0F);
2630 /* DVP0 Clock and Data Pads Driving: */
2631 viafb_write_reg_mask(SR1E, VIASR,
2632 p_gfx_dpa_setting->DVP0ClockDri_S, BIT2);
2633 viafb_write_reg_mask(SR2A, VIASR,
2634 p_gfx_dpa_setting->DVP0ClockDri_S1,
2636 viafb_write_reg_mask(SR1B, VIASR,
2637 p_gfx_dpa_setting->DVP0DataDri_S, BIT1);
2638 viafb_write_reg_mask(SR2A, VIASR,
2639 p_gfx_dpa_setting->DVP0DataDri_S1, BIT5);
2643 case INTERFACE_DVP1:
2645 /* DVP1 Clock Polarity and Adjust: */
2646 viafb_write_reg_mask(CR9B, VIACR,
2647 p_gfx_dpa_setting->DVP1, 0x0F);
2649 /* DVP1 Clock and Data Pads Driving: */
2650 viafb_write_reg_mask(SR65, VIASR,
2651 p_gfx_dpa_setting->DVP1Driving, 0x0F);
2655 case INTERFACE_DFP_HIGH:
2657 viafb_write_reg_mask(CR97, VIACR,
2658 p_gfx_dpa_setting->DFPHigh, 0x0F);
2662 case INTERFACE_DFP_LOW:
2664 viafb_write_reg_mask(CR99, VIACR,
2665 p_gfx_dpa_setting->DFPLow, 0x0F);
2671 viafb_write_reg_mask(CR97, VIACR,
2672 p_gfx_dpa_setting->DFPHigh, 0x0F);
2673 viafb_write_reg_mask(CR99, VIACR,
2674 p_gfx_dpa_setting->DFPLow, 0x0F);
2680 /*According var's xres, yres fill var's other timing information*/
2681 void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh,
2682 struct VideoModeTable *vmode_tbl)
2684 struct crt_mode_table *crt_timing = NULL;
2685 struct display_timing crt_reg;
2686 int i = 0, index = 0;
2687 crt_timing = vmode_tbl->crtc;
2688 for (i = 0; i < vmode_tbl->mode_array; i++) {
2690 if (crt_timing[i].refresh_rate == refresh)
2694 crt_reg = crt_timing[index].crtc;
2695 var->pixclock = viafb_get_pixclock(var->xres, var->yres, refresh);
2697 crt_reg.hor_total - (crt_reg.hor_sync_start + crt_reg.hor_sync_end);
2698 var->right_margin = crt_reg.hor_sync_start - crt_reg.hor_addr;
2699 var->hsync_len = crt_reg.hor_sync_end;
2701 crt_reg.ver_total - (crt_reg.ver_sync_start + crt_reg.ver_sync_end);
2702 var->lower_margin = crt_reg.ver_sync_start - crt_reg.ver_addr;
2703 var->vsync_len = crt_reg.ver_sync_end;