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 void via_set_sync_polarity(u32 devices, u8 polarity)
1156 if (polarity & ~(VIA_HSYNC_NEGATIVE | VIA_VSYNC_NEGATIVE)) {
1157 printk(KERN_WARNING "viafb: Unsupported polarity: %d\n",
1162 if (devices & VIA_CRT)
1163 via_write_misc_reg_mask(polarity << 6, 0xC0);
1164 if (devices & VIA_DVP1)
1165 via_write_reg_mask(VIACR, 0x9B, polarity << 5, 0x60);
1166 if (devices & VIA_LVDS1)
1167 via_write_reg_mask(VIACR, 0x99, polarity << 5, 0x60);
1168 if (devices & VIA_LVDS2)
1169 via_write_reg_mask(VIACR, 0x97, polarity << 5, 0x60);
1172 u32 via_parse_odev(char *input, char **end)
1181 for (i = 0; i < ARRAY_SIZE(device_mapping); i++) {
1182 len = strlen(device_mapping[i].name);
1183 if (!strncmp(ptr, device_mapping[i].name, len)) {
1184 odev |= device_mapping[i].device;
1198 void via_odev_to_seq(struct seq_file *m, u32 odev)
1202 for (i = 0; i < ARRAY_SIZE(device_mapping); i++) {
1203 if (odev & device_mapping[i].device) {
1207 seq_puts(m, device_mapping[i].name);
1215 static void load_fix_bit_crtc_reg(void)
1217 /* always set to 1 */
1218 viafb_write_reg_mask(CR03, VIACR, 0x80, BIT7);
1219 /* line compare should set all bits = 1 (extend modes) */
1220 viafb_write_reg(CR18, VIACR, 0xff);
1221 /* line compare should set all bits = 1 (extend modes) */
1222 viafb_write_reg_mask(CR07, VIACR, 0x10, BIT4);
1223 /* line compare should set all bits = 1 (extend modes) */
1224 viafb_write_reg_mask(CR09, VIACR, 0x40, BIT6);
1225 /* line compare should set all bits = 1 (extend modes) */
1226 viafb_write_reg_mask(CR35, VIACR, 0x10, BIT4);
1227 /* line compare should set all bits = 1 (extend modes) */
1228 viafb_write_reg_mask(CR33, VIACR, 0x06, BIT0 + BIT1 + BIT2);
1229 /*viafb_write_reg_mask(CR32, VIACR, 0x01, BIT0); */
1230 /* extend mode always set to e3h */
1231 viafb_write_reg(CR17, VIACR, 0xe3);
1232 /* extend mode always set to 0h */
1233 viafb_write_reg(CR08, VIACR, 0x00);
1234 /* extend mode always set to 0h */
1235 viafb_write_reg(CR14, VIACR, 0x00);
1237 /* If K8M800, enable Prefetch Mode. */
1238 if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800)
1239 || (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K8M890))
1240 viafb_write_reg_mask(CR33, VIACR, 0x08, BIT3);
1241 if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
1242 && (viaparinfo->chip_info->gfx_chip_revision == CLE266_REVISION_AX))
1243 viafb_write_reg_mask(SR1A, VIASR, 0x02, BIT1);
1247 void viafb_load_reg(int timing_value, int viafb_load_reg_num,
1248 struct io_register *reg,
1256 int start_index, end_index, cr_index;
1259 for (i = 0; i < viafb_load_reg_num; i++) {
1262 start_index = reg[i].start_bit;
1263 end_index = reg[i].end_bit;
1264 cr_index = reg[i].io_addr;
1266 shift_next_reg = bit_num;
1267 for (j = start_index; j <= end_index; j++) {
1268 /*if (bit_num==8) timing_value = timing_value >>8; */
1269 reg_mask = reg_mask | (BIT0 << j);
1270 get_bit = (timing_value & (BIT0 << bit_num));
1272 data | ((get_bit >> shift_next_reg) << start_index);
1275 if (io_type == VIACR)
1276 viafb_write_reg_mask(cr_index, VIACR, data, reg_mask);
1278 viafb_write_reg_mask(cr_index, VIASR, data, reg_mask);
1283 /* Write Registers */
1284 void viafb_write_regx(struct io_reg RegTable[], int ItemNum)
1288 /*DEBUG_MSG(KERN_INFO "Table Size : %x!!\n",ItemNum ); */
1290 for (i = 0; i < ItemNum; i++)
1291 via_write_reg_mask(RegTable[i].port, RegTable[i].index,
1292 RegTable[i].value, RegTable[i].mask);
1295 void viafb_load_fetch_count_reg(int h_addr, int bpp_byte, int set_iga)
1298 int viafb_load_reg_num;
1299 struct io_register *reg = NULL;
1303 reg_value = IGA1_FETCH_COUNT_FORMULA(h_addr, bpp_byte);
1304 viafb_load_reg_num = fetch_count_reg.
1305 iga1_fetch_count_reg.reg_num;
1306 reg = fetch_count_reg.iga1_fetch_count_reg.reg;
1307 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
1310 reg_value = IGA2_FETCH_COUNT_FORMULA(h_addr, bpp_byte);
1311 viafb_load_reg_num = fetch_count_reg.
1312 iga2_fetch_count_reg.reg_num;
1313 reg = fetch_count_reg.iga2_fetch_count_reg.reg;
1314 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1320 void viafb_load_FIFO_reg(int set_iga, int hor_active, int ver_active)
1323 int viafb_load_reg_num;
1324 struct io_register *reg = NULL;
1325 int iga1_fifo_max_depth = 0, iga1_fifo_threshold =
1326 0, iga1_fifo_high_threshold = 0, iga1_display_queue_expire_num = 0;
1327 int iga2_fifo_max_depth = 0, iga2_fifo_threshold =
1328 0, iga2_fifo_high_threshold = 0, iga2_display_queue_expire_num = 0;
1330 if (set_iga == IGA1) {
1331 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) {
1332 iga1_fifo_max_depth = K800_IGA1_FIFO_MAX_DEPTH;
1333 iga1_fifo_threshold = K800_IGA1_FIFO_THRESHOLD;
1334 iga1_fifo_high_threshold =
1335 K800_IGA1_FIFO_HIGH_THRESHOLD;
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 K800_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1346 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_PM800) {
1347 iga1_fifo_max_depth = P880_IGA1_FIFO_MAX_DEPTH;
1348 iga1_fifo_threshold = P880_IGA1_FIFO_THRESHOLD;
1349 iga1_fifo_high_threshold =
1350 P880_IGA1_FIFO_HIGH_THRESHOLD;
1351 iga1_display_queue_expire_num =
1352 P880_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1354 /* If resolution > 1280x1024, expire length = 64, else
1355 expire length = 128 */
1356 if ((hor_active > 1280) && (ver_active > 1024))
1357 iga1_display_queue_expire_num = 16;
1359 iga1_display_queue_expire_num =
1360 P880_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1363 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CN700) {
1364 iga1_fifo_max_depth = CN700_IGA1_FIFO_MAX_DEPTH;
1365 iga1_fifo_threshold = CN700_IGA1_FIFO_THRESHOLD;
1366 iga1_fifo_high_threshold =
1367 CN700_IGA1_FIFO_HIGH_THRESHOLD;
1369 /* If resolution > 1280x1024, expire length = 64,
1370 else expire length = 128 */
1371 if ((hor_active > 1280) && (ver_active > 1024))
1372 iga1_display_queue_expire_num = 16;
1374 iga1_display_queue_expire_num =
1375 CN700_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1378 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) {
1379 iga1_fifo_max_depth = CX700_IGA1_FIFO_MAX_DEPTH;
1380 iga1_fifo_threshold = CX700_IGA1_FIFO_THRESHOLD;
1381 iga1_fifo_high_threshold =
1382 CX700_IGA1_FIFO_HIGH_THRESHOLD;
1383 iga1_display_queue_expire_num =
1384 CX700_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1387 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K8M890) {
1388 iga1_fifo_max_depth = K8M890_IGA1_FIFO_MAX_DEPTH;
1389 iga1_fifo_threshold = K8M890_IGA1_FIFO_THRESHOLD;
1390 iga1_fifo_high_threshold =
1391 K8M890_IGA1_FIFO_HIGH_THRESHOLD;
1392 iga1_display_queue_expire_num =
1393 K8M890_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1396 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M890) {
1397 iga1_fifo_max_depth = P4M890_IGA1_FIFO_MAX_DEPTH;
1398 iga1_fifo_threshold = P4M890_IGA1_FIFO_THRESHOLD;
1399 iga1_fifo_high_threshold =
1400 P4M890_IGA1_FIFO_HIGH_THRESHOLD;
1401 iga1_display_queue_expire_num =
1402 P4M890_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1405 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M900) {
1406 iga1_fifo_max_depth = P4M900_IGA1_FIFO_MAX_DEPTH;
1407 iga1_fifo_threshold = P4M900_IGA1_FIFO_THRESHOLD;
1408 iga1_fifo_high_threshold =
1409 P4M900_IGA1_FIFO_HIGH_THRESHOLD;
1410 iga1_display_queue_expire_num =
1411 P4M900_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1414 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX800) {
1415 iga1_fifo_max_depth = VX800_IGA1_FIFO_MAX_DEPTH;
1416 iga1_fifo_threshold = VX800_IGA1_FIFO_THRESHOLD;
1417 iga1_fifo_high_threshold =
1418 VX800_IGA1_FIFO_HIGH_THRESHOLD;
1419 iga1_display_queue_expire_num =
1420 VX800_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1423 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX855) {
1424 iga1_fifo_max_depth = VX855_IGA1_FIFO_MAX_DEPTH;
1425 iga1_fifo_threshold = VX855_IGA1_FIFO_THRESHOLD;
1426 iga1_fifo_high_threshold =
1427 VX855_IGA1_FIFO_HIGH_THRESHOLD;
1428 iga1_display_queue_expire_num =
1429 VX855_IGA1_DISPLAY_QUEUE_EXPIRE_NUM;
1432 /* Set Display FIFO Depath Select */
1433 reg_value = IGA1_FIFO_DEPTH_SELECT_FORMULA(iga1_fifo_max_depth);
1434 viafb_load_reg_num =
1435 display_fifo_depth_reg.iga1_fifo_depth_select_reg.reg_num;
1436 reg = display_fifo_depth_reg.iga1_fifo_depth_select_reg.reg;
1437 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
1439 /* Set Display FIFO Threshold Select */
1440 reg_value = IGA1_FIFO_THRESHOLD_FORMULA(iga1_fifo_threshold);
1441 viafb_load_reg_num =
1442 fifo_threshold_select_reg.
1443 iga1_fifo_threshold_select_reg.reg_num;
1445 fifo_threshold_select_reg.
1446 iga1_fifo_threshold_select_reg.reg;
1447 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
1449 /* Set FIFO High Threshold Select */
1451 IGA1_FIFO_HIGH_THRESHOLD_FORMULA(iga1_fifo_high_threshold);
1452 viafb_load_reg_num =
1453 fifo_high_threshold_select_reg.
1454 iga1_fifo_high_threshold_select_reg.reg_num;
1456 fifo_high_threshold_select_reg.
1457 iga1_fifo_high_threshold_select_reg.reg;
1458 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
1460 /* Set Display Queue Expire Num */
1462 IGA1_DISPLAY_QUEUE_EXPIRE_NUM_FORMULA
1463 (iga1_display_queue_expire_num);
1464 viafb_load_reg_num =
1465 display_queue_expire_num_reg.
1466 iga1_display_queue_expire_num_reg.reg_num;
1468 display_queue_expire_num_reg.
1469 iga1_display_queue_expire_num_reg.reg;
1470 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
1473 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) {
1474 iga2_fifo_max_depth = K800_IGA2_FIFO_MAX_DEPTH;
1475 iga2_fifo_threshold = K800_IGA2_FIFO_THRESHOLD;
1476 iga2_fifo_high_threshold =
1477 K800_IGA2_FIFO_HIGH_THRESHOLD;
1479 /* If resolution > 1280x1024, expire length = 64,
1480 else expire length = 128 */
1481 if ((hor_active > 1280) && (ver_active > 1024))
1482 iga2_display_queue_expire_num = 16;
1484 iga2_display_queue_expire_num =
1485 K800_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1488 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_PM800) {
1489 iga2_fifo_max_depth = P880_IGA2_FIFO_MAX_DEPTH;
1490 iga2_fifo_threshold = P880_IGA2_FIFO_THRESHOLD;
1491 iga2_fifo_high_threshold =
1492 P880_IGA2_FIFO_HIGH_THRESHOLD;
1494 /* If resolution > 1280x1024, expire length = 64,
1495 else expire length = 128 */
1496 if ((hor_active > 1280) && (ver_active > 1024))
1497 iga2_display_queue_expire_num = 16;
1499 iga2_display_queue_expire_num =
1500 P880_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1503 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CN700) {
1504 iga2_fifo_max_depth = CN700_IGA2_FIFO_MAX_DEPTH;
1505 iga2_fifo_threshold = CN700_IGA2_FIFO_THRESHOLD;
1506 iga2_fifo_high_threshold =
1507 CN700_IGA2_FIFO_HIGH_THRESHOLD;
1509 /* If resolution > 1280x1024, expire length = 64,
1510 else expire length = 128 */
1511 if ((hor_active > 1280) && (ver_active > 1024))
1512 iga2_display_queue_expire_num = 16;
1514 iga2_display_queue_expire_num =
1515 CN700_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1518 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) {
1519 iga2_fifo_max_depth = CX700_IGA2_FIFO_MAX_DEPTH;
1520 iga2_fifo_threshold = CX700_IGA2_FIFO_THRESHOLD;
1521 iga2_fifo_high_threshold =
1522 CX700_IGA2_FIFO_HIGH_THRESHOLD;
1523 iga2_display_queue_expire_num =
1524 CX700_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1527 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K8M890) {
1528 iga2_fifo_max_depth = K8M890_IGA2_FIFO_MAX_DEPTH;
1529 iga2_fifo_threshold = K8M890_IGA2_FIFO_THRESHOLD;
1530 iga2_fifo_high_threshold =
1531 K8M890_IGA2_FIFO_HIGH_THRESHOLD;
1532 iga2_display_queue_expire_num =
1533 K8M890_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1536 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M890) {
1537 iga2_fifo_max_depth = P4M890_IGA2_FIFO_MAX_DEPTH;
1538 iga2_fifo_threshold = P4M890_IGA2_FIFO_THRESHOLD;
1539 iga2_fifo_high_threshold =
1540 P4M890_IGA2_FIFO_HIGH_THRESHOLD;
1541 iga2_display_queue_expire_num =
1542 P4M890_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1545 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_P4M900) {
1546 iga2_fifo_max_depth = P4M900_IGA2_FIFO_MAX_DEPTH;
1547 iga2_fifo_threshold = P4M900_IGA2_FIFO_THRESHOLD;
1548 iga2_fifo_high_threshold =
1549 P4M900_IGA2_FIFO_HIGH_THRESHOLD;
1550 iga2_display_queue_expire_num =
1551 P4M900_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1554 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX800) {
1555 iga2_fifo_max_depth = VX800_IGA2_FIFO_MAX_DEPTH;
1556 iga2_fifo_threshold = VX800_IGA2_FIFO_THRESHOLD;
1557 iga2_fifo_high_threshold =
1558 VX800_IGA2_FIFO_HIGH_THRESHOLD;
1559 iga2_display_queue_expire_num =
1560 VX800_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1563 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_VX855) {
1564 iga2_fifo_max_depth = VX855_IGA2_FIFO_MAX_DEPTH;
1565 iga2_fifo_threshold = VX855_IGA2_FIFO_THRESHOLD;
1566 iga2_fifo_high_threshold =
1567 VX855_IGA2_FIFO_HIGH_THRESHOLD;
1568 iga2_display_queue_expire_num =
1569 VX855_IGA2_DISPLAY_QUEUE_EXPIRE_NUM;
1572 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K800) {
1573 /* Set Display FIFO Depath Select */
1575 IGA2_FIFO_DEPTH_SELECT_FORMULA(iga2_fifo_max_depth)
1577 /* Patch LCD in IGA2 case */
1578 viafb_load_reg_num =
1579 display_fifo_depth_reg.
1580 iga2_fifo_depth_select_reg.reg_num;
1582 display_fifo_depth_reg.
1583 iga2_fifo_depth_select_reg.reg;
1584 viafb_load_reg(reg_value,
1585 viafb_load_reg_num, reg, VIACR);
1588 /* Set Display FIFO Depath Select */
1590 IGA2_FIFO_DEPTH_SELECT_FORMULA(iga2_fifo_max_depth);
1591 viafb_load_reg_num =
1592 display_fifo_depth_reg.
1593 iga2_fifo_depth_select_reg.reg_num;
1595 display_fifo_depth_reg.
1596 iga2_fifo_depth_select_reg.reg;
1597 viafb_load_reg(reg_value,
1598 viafb_load_reg_num, reg, VIACR);
1601 /* Set Display FIFO Threshold Select */
1602 reg_value = IGA2_FIFO_THRESHOLD_FORMULA(iga2_fifo_threshold);
1603 viafb_load_reg_num =
1604 fifo_threshold_select_reg.
1605 iga2_fifo_threshold_select_reg.reg_num;
1607 fifo_threshold_select_reg.
1608 iga2_fifo_threshold_select_reg.reg;
1609 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1611 /* Set FIFO High Threshold Select */
1613 IGA2_FIFO_HIGH_THRESHOLD_FORMULA(iga2_fifo_high_threshold);
1614 viafb_load_reg_num =
1615 fifo_high_threshold_select_reg.
1616 iga2_fifo_high_threshold_select_reg.reg_num;
1618 fifo_high_threshold_select_reg.
1619 iga2_fifo_high_threshold_select_reg.reg;
1620 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1622 /* Set Display Queue Expire Num */
1624 IGA2_DISPLAY_QUEUE_EXPIRE_NUM_FORMULA
1625 (iga2_display_queue_expire_num);
1626 viafb_load_reg_num =
1627 display_queue_expire_num_reg.
1628 iga2_display_queue_expire_num_reg.reg_num;
1630 display_queue_expire_num_reg.
1631 iga2_display_queue_expire_num_reg.reg;
1632 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
1638 static u32 cle266_encode_pll(struct pll_config pll)
1640 return (pll.multiplier << 8)
1645 static u32 k800_encode_pll(struct pll_config pll)
1647 return ((pll.divisor - 2) << 16)
1648 | (pll.rshift << 10)
1649 | (pll.multiplier - 2);
1652 static u32 vx855_encode_pll(struct pll_config pll)
1654 return (pll.divisor << 16)
1655 | (pll.rshift << 10)
1659 u32 viafb_get_clk_value(int clk)
1664 while (i < NUM_TOTAL_PLL_TABLE && clk != pll_value[i].clk)
1667 if (i == NUM_TOTAL_PLL_TABLE) {
1668 printk(KERN_WARNING "viafb_get_clk_value: PLL lookup failed!");
1670 switch (viaparinfo->chip_info->gfx_chip_name) {
1671 case UNICHROME_CLE266:
1672 case UNICHROME_K400:
1673 value = cle266_encode_pll(pll_value[i].cle266_pll);
1676 case UNICHROME_K800:
1677 case UNICHROME_PM800:
1678 case UNICHROME_CN700:
1679 value = k800_encode_pll(pll_value[i].k800_pll);
1682 case UNICHROME_CX700:
1683 case UNICHROME_CN750:
1684 case UNICHROME_K8M890:
1685 case UNICHROME_P4M890:
1686 case UNICHROME_P4M900:
1687 case UNICHROME_VX800:
1688 value = k800_encode_pll(pll_value[i].cx700_pll);
1691 case UNICHROME_VX855:
1692 value = vx855_encode_pll(pll_value[i].vx855_pll);
1701 void viafb_set_vclock(u32 clk, int set_iga)
1703 /* H.W. Reset : ON */
1704 viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7);
1706 if (set_iga == IGA1) {
1707 /* Change D,N FOR VCLK */
1708 switch (viaparinfo->chip_info->gfx_chip_name) {
1709 case UNICHROME_CLE266:
1710 case UNICHROME_K400:
1711 via_write_reg(VIASR, SR46, (clk & 0x00FF));
1712 via_write_reg(VIASR, SR47, (clk & 0xFF00) >> 8);
1715 case UNICHROME_K800:
1716 case UNICHROME_PM800:
1717 case UNICHROME_CN700:
1718 case UNICHROME_CX700:
1719 case UNICHROME_CN750:
1720 case UNICHROME_K8M890:
1721 case UNICHROME_P4M890:
1722 case UNICHROME_P4M900:
1723 case UNICHROME_VX800:
1724 case UNICHROME_VX855:
1725 via_write_reg(VIASR, SR44, (clk & 0x0000FF));
1726 via_write_reg(VIASR, SR45, (clk & 0x00FF00) >> 8);
1727 via_write_reg(VIASR, SR46, (clk & 0xFF0000) >> 16);
1732 if (set_iga == IGA2) {
1733 /* Change D,N FOR LCK */
1734 switch (viaparinfo->chip_info->gfx_chip_name) {
1735 case UNICHROME_CLE266:
1736 case UNICHROME_K400:
1737 via_write_reg(VIASR, SR44, (clk & 0x00FF));
1738 via_write_reg(VIASR, SR45, (clk & 0xFF00) >> 8);
1741 case UNICHROME_K800:
1742 case UNICHROME_PM800:
1743 case UNICHROME_CN700:
1744 case UNICHROME_CX700:
1745 case UNICHROME_CN750:
1746 case UNICHROME_K8M890:
1747 case UNICHROME_P4M890:
1748 case UNICHROME_P4M900:
1749 case UNICHROME_VX800:
1750 case UNICHROME_VX855:
1751 via_write_reg(VIASR, SR4A, (clk & 0x0000FF));
1752 via_write_reg(VIASR, SR4B, (clk & 0x00FF00) >> 8);
1753 via_write_reg(VIASR, SR4C, (clk & 0xFF0000) >> 16);
1758 /* H.W. Reset : OFF */
1759 viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7);
1762 if (set_iga == IGA1) {
1763 viafb_write_reg_mask(SR40, VIASR, 0x02, BIT1);
1764 viafb_write_reg_mask(SR40, VIASR, 0x00, BIT1);
1767 if (set_iga == IGA2) {
1768 viafb_write_reg_mask(SR40, VIASR, 0x04, BIT2);
1769 viafb_write_reg_mask(SR40, VIASR, 0x00, BIT2);
1773 via_write_misc_reg_mask(0x0C, 0x0C); /* select external clock */
1776 void viafb_load_crtc_timing(struct display_timing device_timing,
1780 int viafb_load_reg_num = 0;
1782 struct io_register *reg = NULL;
1786 for (i = 0; i < 12; i++) {
1787 if (set_iga == IGA1) {
1791 IGA1_HOR_TOTAL_FORMULA(device_timing.
1793 viafb_load_reg_num =
1794 iga1_crtc_reg.hor_total.reg_num;
1795 reg = iga1_crtc_reg.hor_total.reg;
1799 IGA1_HOR_ADDR_FORMULA(device_timing.
1801 viafb_load_reg_num =
1802 iga1_crtc_reg.hor_addr.reg_num;
1803 reg = iga1_crtc_reg.hor_addr.reg;
1805 case H_BLANK_START_INDEX:
1807 IGA1_HOR_BLANK_START_FORMULA
1808 (device_timing.hor_blank_start);
1809 viafb_load_reg_num =
1810 iga1_crtc_reg.hor_blank_start.reg_num;
1811 reg = iga1_crtc_reg.hor_blank_start.reg;
1813 case H_BLANK_END_INDEX:
1815 IGA1_HOR_BLANK_END_FORMULA
1816 (device_timing.hor_blank_start,
1817 device_timing.hor_blank_end);
1818 viafb_load_reg_num =
1819 iga1_crtc_reg.hor_blank_end.reg_num;
1820 reg = iga1_crtc_reg.hor_blank_end.reg;
1822 case H_SYNC_START_INDEX:
1824 IGA1_HOR_SYNC_START_FORMULA
1825 (device_timing.hor_sync_start);
1826 viafb_load_reg_num =
1827 iga1_crtc_reg.hor_sync_start.reg_num;
1828 reg = iga1_crtc_reg.hor_sync_start.reg;
1830 case H_SYNC_END_INDEX:
1832 IGA1_HOR_SYNC_END_FORMULA
1833 (device_timing.hor_sync_start,
1834 device_timing.hor_sync_end);
1835 viafb_load_reg_num =
1836 iga1_crtc_reg.hor_sync_end.reg_num;
1837 reg = iga1_crtc_reg.hor_sync_end.reg;
1841 IGA1_VER_TOTAL_FORMULA(device_timing.
1843 viafb_load_reg_num =
1844 iga1_crtc_reg.ver_total.reg_num;
1845 reg = iga1_crtc_reg.ver_total.reg;
1849 IGA1_VER_ADDR_FORMULA(device_timing.
1851 viafb_load_reg_num =
1852 iga1_crtc_reg.ver_addr.reg_num;
1853 reg = iga1_crtc_reg.ver_addr.reg;
1855 case V_BLANK_START_INDEX:
1857 IGA1_VER_BLANK_START_FORMULA
1858 (device_timing.ver_blank_start);
1859 viafb_load_reg_num =
1860 iga1_crtc_reg.ver_blank_start.reg_num;
1861 reg = iga1_crtc_reg.ver_blank_start.reg;
1863 case V_BLANK_END_INDEX:
1865 IGA1_VER_BLANK_END_FORMULA
1866 (device_timing.ver_blank_start,
1867 device_timing.ver_blank_end);
1868 viafb_load_reg_num =
1869 iga1_crtc_reg.ver_blank_end.reg_num;
1870 reg = iga1_crtc_reg.ver_blank_end.reg;
1872 case V_SYNC_START_INDEX:
1874 IGA1_VER_SYNC_START_FORMULA
1875 (device_timing.ver_sync_start);
1876 viafb_load_reg_num =
1877 iga1_crtc_reg.ver_sync_start.reg_num;
1878 reg = iga1_crtc_reg.ver_sync_start.reg;
1880 case V_SYNC_END_INDEX:
1882 IGA1_VER_SYNC_END_FORMULA
1883 (device_timing.ver_sync_start,
1884 device_timing.ver_sync_end);
1885 viafb_load_reg_num =
1886 iga1_crtc_reg.ver_sync_end.reg_num;
1887 reg = iga1_crtc_reg.ver_sync_end.reg;
1893 if (set_iga == IGA2) {
1897 IGA2_HOR_TOTAL_FORMULA(device_timing.
1899 viafb_load_reg_num =
1900 iga2_crtc_reg.hor_total.reg_num;
1901 reg = iga2_crtc_reg.hor_total.reg;
1905 IGA2_HOR_ADDR_FORMULA(device_timing.
1907 viafb_load_reg_num =
1908 iga2_crtc_reg.hor_addr.reg_num;
1909 reg = iga2_crtc_reg.hor_addr.reg;
1911 case H_BLANK_START_INDEX:
1913 IGA2_HOR_BLANK_START_FORMULA
1914 (device_timing.hor_blank_start);
1915 viafb_load_reg_num =
1916 iga2_crtc_reg.hor_blank_start.reg_num;
1917 reg = iga2_crtc_reg.hor_blank_start.reg;
1919 case H_BLANK_END_INDEX:
1921 IGA2_HOR_BLANK_END_FORMULA
1922 (device_timing.hor_blank_start,
1923 device_timing.hor_blank_end);
1924 viafb_load_reg_num =
1925 iga2_crtc_reg.hor_blank_end.reg_num;
1926 reg = iga2_crtc_reg.hor_blank_end.reg;
1928 case H_SYNC_START_INDEX:
1930 IGA2_HOR_SYNC_START_FORMULA
1931 (device_timing.hor_sync_start);
1932 if (UNICHROME_CN700 <=
1933 viaparinfo->chip_info->gfx_chip_name)
1934 viafb_load_reg_num =
1935 iga2_crtc_reg.hor_sync_start.
1938 viafb_load_reg_num = 3;
1939 reg = iga2_crtc_reg.hor_sync_start.reg;
1941 case H_SYNC_END_INDEX:
1943 IGA2_HOR_SYNC_END_FORMULA
1944 (device_timing.hor_sync_start,
1945 device_timing.hor_sync_end);
1946 viafb_load_reg_num =
1947 iga2_crtc_reg.hor_sync_end.reg_num;
1948 reg = iga2_crtc_reg.hor_sync_end.reg;
1952 IGA2_VER_TOTAL_FORMULA(device_timing.
1954 viafb_load_reg_num =
1955 iga2_crtc_reg.ver_total.reg_num;
1956 reg = iga2_crtc_reg.ver_total.reg;
1960 IGA2_VER_ADDR_FORMULA(device_timing.
1962 viafb_load_reg_num =
1963 iga2_crtc_reg.ver_addr.reg_num;
1964 reg = iga2_crtc_reg.ver_addr.reg;
1966 case V_BLANK_START_INDEX:
1968 IGA2_VER_BLANK_START_FORMULA
1969 (device_timing.ver_blank_start);
1970 viafb_load_reg_num =
1971 iga2_crtc_reg.ver_blank_start.reg_num;
1972 reg = iga2_crtc_reg.ver_blank_start.reg;
1974 case V_BLANK_END_INDEX:
1976 IGA2_VER_BLANK_END_FORMULA
1977 (device_timing.ver_blank_start,
1978 device_timing.ver_blank_end);
1979 viafb_load_reg_num =
1980 iga2_crtc_reg.ver_blank_end.reg_num;
1981 reg = iga2_crtc_reg.ver_blank_end.reg;
1983 case V_SYNC_START_INDEX:
1985 IGA2_VER_SYNC_START_FORMULA
1986 (device_timing.ver_sync_start);
1987 viafb_load_reg_num =
1988 iga2_crtc_reg.ver_sync_start.reg_num;
1989 reg = iga2_crtc_reg.ver_sync_start.reg;
1991 case V_SYNC_END_INDEX:
1993 IGA2_VER_SYNC_END_FORMULA
1994 (device_timing.ver_sync_start,
1995 device_timing.ver_sync_end);
1996 viafb_load_reg_num =
1997 iga2_crtc_reg.ver_sync_end.reg_num;
1998 reg = iga2_crtc_reg.ver_sync_end.reg;
2003 viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIACR);
2009 void viafb_fill_crtc_timing(struct crt_mode_table *crt_table,
2010 struct VideoModeTable *video_mode, int bpp_byte, int set_iga)
2012 struct display_timing crt_reg;
2019 for (i = 0; i < video_mode->mode_array; i++) {
2022 if (crt_table[i].refresh_rate == viaparinfo->
2023 crt_setting_info->refresh_rate)
2027 crt_reg = crt_table[index].crtc;
2029 /* Mode 640x480 has border, but LCD/DFP didn't have border. */
2030 /* So we would delete border. */
2031 if ((viafb_LCD_ON | viafb_DVI_ON)
2032 && video_mode->crtc[0].crtc.hor_addr == 640
2033 && video_mode->crtc[0].crtc.ver_addr == 480
2034 && viaparinfo->crt_setting_info->refresh_rate == 60) {
2035 /* The border is 8 pixels. */
2036 crt_reg.hor_blank_start = crt_reg.hor_blank_start - 8;
2038 /* Blanking time should add left and right borders. */
2039 crt_reg.hor_blank_end = crt_reg.hor_blank_end + 16;
2042 h_addr = crt_reg.hor_addr;
2043 v_addr = crt_reg.ver_addr;
2045 /* update polarity for CRT timing */
2046 if (crt_table[index].h_sync_polarity == NEGATIVE)
2047 polarity |= VIA_HSYNC_NEGATIVE;
2048 if (crt_table[index].v_sync_polarity == NEGATIVE)
2049 polarity |= VIA_VSYNC_NEGATIVE;
2050 via_set_sync_polarity(VIA_CRT, polarity);
2052 if (set_iga == IGA1) {
2054 viafb_write_reg(CR09, VIACR, 0x00); /*initial CR09=0 */
2055 viafb_write_reg_mask(CR11, VIACR, 0x00, BIT4 + BIT5 + BIT6);
2056 viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7);
2061 viafb_load_crtc_timing(crt_reg, IGA1);
2064 viafb_load_crtc_timing(crt_reg, IGA2);
2068 load_fix_bit_crtc_reg();
2070 viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7);
2071 viafb_load_fetch_count_reg(h_addr, bpp_byte, set_iga);
2074 if ((viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266)
2075 && (viaparinfo->chip_info->gfx_chip_name != UNICHROME_K400))
2076 viafb_load_FIFO_reg(set_iga, h_addr, v_addr);
2078 pll_D_N = viafb_get_clk_value(crt_table[index].clk);
2079 DEBUG_MSG(KERN_INFO "PLL=%x", pll_D_N);
2080 viafb_set_vclock(pll_D_N, set_iga);
2084 void __devinit viafb_init_chip_info(int chip_type)
2086 init_gfx_chip_info(chip_type);
2087 init_tmds_chip_info();
2088 init_lvds_chip_info();
2090 viaparinfo->crt_setting_info->iga_path = IGA1;
2091 viaparinfo->crt_setting_info->refresh_rate = viafb_refresh;
2093 /*Set IGA path for each device */
2094 viafb_set_iga_path();
2096 viaparinfo->lvds_setting_info->display_method = viafb_lcd_dsp_method;
2097 viaparinfo->lvds_setting_info->lcd_mode = viafb_lcd_mode;
2098 viaparinfo->lvds_setting_info2->display_method =
2099 viaparinfo->lvds_setting_info->display_method;
2100 viaparinfo->lvds_setting_info2->lcd_mode =
2101 viaparinfo->lvds_setting_info->lcd_mode;
2104 void viafb_update_device_setting(int hres, int vres,
2105 int bpp, int vmode_refresh, int flag)
2108 viaparinfo->crt_setting_info->h_active = hres;
2109 viaparinfo->crt_setting_info->v_active = vres;
2110 viaparinfo->crt_setting_info->bpp = bpp;
2111 viaparinfo->crt_setting_info->refresh_rate =
2114 viaparinfo->tmds_setting_info->h_active = hres;
2115 viaparinfo->tmds_setting_info->v_active = vres;
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 =
2122 viaparinfo->lvds_setting_info2->h_active = hres;
2123 viaparinfo->lvds_setting_info2->v_active = vres;
2124 viaparinfo->lvds_setting_info2->bpp = bpp;
2125 viaparinfo->lvds_setting_info2->refresh_rate =
2129 if (viaparinfo->tmds_setting_info->iga_path == IGA2) {
2130 viaparinfo->tmds_setting_info->h_active = hres;
2131 viaparinfo->tmds_setting_info->v_active = vres;
2134 if (viaparinfo->lvds_setting_info->iga_path == IGA2) {
2135 viaparinfo->lvds_setting_info->h_active = hres;
2136 viaparinfo->lvds_setting_info->v_active = vres;
2137 viaparinfo->lvds_setting_info->bpp = bpp;
2138 viaparinfo->lvds_setting_info->refresh_rate =
2141 if (IGA2 == viaparinfo->lvds_setting_info2->iga_path) {
2142 viaparinfo->lvds_setting_info2->h_active = hres;
2143 viaparinfo->lvds_setting_info2->v_active = vres;
2144 viaparinfo->lvds_setting_info2->bpp = bpp;
2145 viaparinfo->lvds_setting_info2->refresh_rate =
2151 static void __devinit init_gfx_chip_info(int chip_type)
2155 viaparinfo->chip_info->gfx_chip_name = chip_type;
2157 /* Check revision of CLE266 Chip */
2158 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266) {
2159 /* CR4F only define in CLE266.CX chip */
2160 tmp = viafb_read_reg(VIACR, CR4F);
2161 viafb_write_reg(CR4F, VIACR, 0x55);
2162 if (viafb_read_reg(VIACR, CR4F) != 0x55)
2163 viaparinfo->chip_info->gfx_chip_revision =
2166 viaparinfo->chip_info->gfx_chip_revision =
2168 /* restore orignal CR4F value */
2169 viafb_write_reg(CR4F, VIACR, tmp);
2172 if (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700) {
2173 tmp = viafb_read_reg(VIASR, SR43);
2174 DEBUG_MSG(KERN_INFO "SR43:%X\n", tmp);
2176 viaparinfo->chip_info->gfx_chip_revision =
2177 CX700_REVISION_700M2;
2178 } else if (tmp & 0x40) {
2179 viaparinfo->chip_info->gfx_chip_revision =
2180 CX700_REVISION_700M;
2182 viaparinfo->chip_info->gfx_chip_revision =
2187 /* Determine which 2D engine we have */
2188 switch (viaparinfo->chip_info->gfx_chip_name) {
2189 case UNICHROME_VX800:
2190 case UNICHROME_VX855:
2191 viaparinfo->chip_info->twod_engine = VIA_2D_ENG_M1;
2193 case UNICHROME_K8M890:
2194 case UNICHROME_P4M900:
2195 viaparinfo->chip_info->twod_engine = VIA_2D_ENG_H5;
2198 viaparinfo->chip_info->twod_engine = VIA_2D_ENG_H2;
2203 static void __devinit init_tmds_chip_info(void)
2205 viafb_tmds_trasmitter_identify();
2207 if (INTERFACE_NONE == viaparinfo->chip_info->tmds_chip_info.
2209 switch (viaparinfo->chip_info->gfx_chip_name) {
2210 case UNICHROME_CX700:
2212 /* we should check support by hardware layout.*/
2213 if ((viafb_display_hardware_layout ==
2215 || (viafb_display_hardware_layout ==
2216 HW_LAYOUT_LCD_DVI)) {
2217 viaparinfo->chip_info->tmds_chip_info.
2218 output_interface = INTERFACE_TMDS;
2220 viaparinfo->chip_info->tmds_chip_info.
2226 case UNICHROME_K8M890:
2227 case UNICHROME_P4M900:
2228 case UNICHROME_P4M890:
2229 /* TMDS on PCIE, we set DFPLOW as default. */
2230 viaparinfo->chip_info->tmds_chip_info.output_interface =
2235 /* set DVP1 default for DVI */
2236 viaparinfo->chip_info->tmds_chip_info
2237 .output_interface = INTERFACE_DVP1;
2242 DEBUG_MSG(KERN_INFO "TMDS Chip = %d\n",
2243 viaparinfo->chip_info->tmds_chip_info.tmds_chip_name);
2244 viafb_init_dvi_size(&viaparinfo->shared->chip_info.tmds_chip_info,
2245 &viaparinfo->shared->tmds_setting_info);
2248 static void __devinit init_lvds_chip_info(void)
2250 viafb_lvds_trasmitter_identify();
2251 viafb_init_lcd_size();
2252 viafb_init_lvds_output_interface(&viaparinfo->chip_info->lvds_chip_info,
2253 viaparinfo->lvds_setting_info);
2254 if (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
2255 viafb_init_lvds_output_interface(&viaparinfo->chip_info->
2256 lvds_chip_info2, viaparinfo->lvds_setting_info2);
2258 /*If CX700,two singel LCD, we need to reassign
2259 LCD interface to different LVDS port */
2260 if ((UNICHROME_CX700 == viaparinfo->chip_info->gfx_chip_name)
2261 && (HW_LAYOUT_LCD1_LCD2 == viafb_display_hardware_layout)) {
2262 if ((INTEGRATED_LVDS == viaparinfo->chip_info->lvds_chip_info.
2263 lvds_chip_name) && (INTEGRATED_LVDS ==
2264 viaparinfo->chip_info->
2265 lvds_chip_info2.lvds_chip_name)) {
2266 viaparinfo->chip_info->lvds_chip_info.output_interface =
2268 viaparinfo->chip_info->lvds_chip_info2.
2274 DEBUG_MSG(KERN_INFO "LVDS Chip = %d\n",
2275 viaparinfo->chip_info->lvds_chip_info.lvds_chip_name);
2276 DEBUG_MSG(KERN_INFO "LVDS1 output_interface = %d\n",
2277 viaparinfo->chip_info->lvds_chip_info.output_interface);
2278 DEBUG_MSG(KERN_INFO "LVDS2 output_interface = %d\n",
2279 viaparinfo->chip_info->lvds_chip_info.output_interface);
2282 void __devinit viafb_init_dac(int set_iga)
2287 if (set_iga == IGA1) {
2288 /* access Primary Display's LUT */
2289 viafb_write_reg_mask(SR1A, VIASR, 0x00, BIT0);
2291 viafb_write_reg_mask(SR1B, VIASR, 0x00, BIT7 + BIT6);
2292 for (i = 0; i < 256; i++) {
2293 write_dac_reg(i, palLUT_table[i].red,
2294 palLUT_table[i].green,
2295 palLUT_table[i].blue);
2298 viafb_write_reg_mask(SR1B, VIASR, 0xC0, BIT7 + BIT6);
2300 tmp = viafb_read_reg(VIACR, CR6A);
2301 /* access Secondary Display's LUT */
2302 viafb_write_reg_mask(CR6A, VIACR, 0x40, BIT6);
2303 viafb_write_reg_mask(SR1A, VIASR, 0x01, BIT0);
2304 for (i = 0; i < 256; i++) {
2305 write_dac_reg(i, palLUT_table[i].red,
2306 palLUT_table[i].green,
2307 palLUT_table[i].blue);
2309 /* set IGA1 DAC for default */
2310 viafb_write_reg_mask(SR1A, VIASR, 0x00, BIT0);
2311 viafb_write_reg(CR6A, VIACR, tmp);
2315 static void device_screen_off(void)
2317 /* turn off CRT screen (IGA1) */
2318 viafb_write_reg_mask(SR01, VIASR, 0x20, BIT5);
2321 static void device_screen_on(void)
2323 /* turn on CRT screen (IGA1) */
2324 viafb_write_reg_mask(SR01, VIASR, 0x00, BIT5);
2327 static void set_display_channel(void)
2329 /*If viafb_LCD2_ON, on cx700, internal lvds's information
2330 is keeped on lvds_setting_info2 */
2331 if (viafb_LCD2_ON &&
2332 viaparinfo->lvds_setting_info2->device_lcd_dualedge) {
2333 /* For dual channel LCD: */
2334 /* Set to Dual LVDS channel. */
2335 viafb_write_reg_mask(CRD2, VIACR, 0x20, BIT4 + BIT5);
2336 } else if (viafb_LCD_ON && viafb_DVI_ON) {
2338 /* Set to LVDS1 + TMDS channel. */
2339 viafb_write_reg_mask(CRD2, VIACR, 0x10, BIT4 + BIT5);
2340 } else if (viafb_DVI_ON) {
2341 /* Set to single TMDS channel. */
2342 viafb_write_reg_mask(CRD2, VIACR, 0x30, BIT4 + BIT5);
2343 } else if (viafb_LCD_ON) {
2344 if (viaparinfo->lvds_setting_info->device_lcd_dualedge) {
2345 /* For dual channel LCD: */
2346 /* Set to Dual LVDS channel. */
2347 viafb_write_reg_mask(CRD2, VIACR, 0x20, BIT4 + BIT5);
2349 /* Set to LVDS0 + LVDS1 channel. */
2350 viafb_write_reg_mask(CRD2, VIACR, 0x00, BIT4 + BIT5);
2355 int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
2356 struct VideoModeTable *vmode_tbl1, int video_bpp1)
2360 u32 devices = viaparinfo->shared->iga1_devices
2361 | viaparinfo->shared->iga2_devices;
2362 u8 value, index, mask;
2363 struct crt_mode_table *crt_timing;
2364 struct crt_mode_table *crt_timing1 = NULL;
2366 device_screen_off();
2367 crt_timing = vmode_tbl->crtc;
2369 if (viafb_SAMM_ON == 1) {
2370 crt_timing1 = vmode_tbl1->crtc;
2376 /* Write Common Setting for Video Mode */
2377 switch (viaparinfo->chip_info->gfx_chip_name) {
2378 case UNICHROME_CLE266:
2379 viafb_write_regx(CLE266_ModeXregs, NUM_TOTAL_CLE266_ModeXregs);
2382 case UNICHROME_K400:
2383 viafb_write_regx(KM400_ModeXregs, NUM_TOTAL_KM400_ModeXregs);
2386 case UNICHROME_K800:
2387 case UNICHROME_PM800:
2388 viafb_write_regx(CN400_ModeXregs, NUM_TOTAL_CN400_ModeXregs);
2391 case UNICHROME_CN700:
2392 case UNICHROME_K8M890:
2393 case UNICHROME_P4M890:
2394 case UNICHROME_P4M900:
2395 viafb_write_regx(CN700_ModeXregs, NUM_TOTAL_CN700_ModeXregs);
2398 case UNICHROME_CX700:
2399 case UNICHROME_VX800:
2400 viafb_write_regx(CX700_ModeXregs, NUM_TOTAL_CX700_ModeXregs);
2403 case UNICHROME_VX855:
2404 viafb_write_regx(VX855_ModeXregs, NUM_TOTAL_VX855_ModeXregs);
2409 via_set_state(devices, VIA_STATE_OFF);
2411 /* Fill VPIT Parameters */
2412 /* Write Misc Register */
2413 outb(VPIT.Misc, VIA_MISC_REG_WRITE);
2415 /* Write Sequencer */
2416 for (i = 1; i <= StdSR; i++)
2417 via_write_reg(VIASR, i, VPIT.SR[i - 1]);
2419 viafb_write_reg_mask(0x15, VIASR, 0xA2, 0xA2);
2422 viafb_fill_crtc_timing(crt_timing, vmode_tbl, video_bpp / 8, IGA1);
2424 /* Write Graphic Controller */
2425 for (i = 0; i < StdGR; i++)
2426 via_write_reg(VIAGR, i, VPIT.GR[i]);
2428 /* Write Attribute Controller */
2429 for (i = 0; i < StdAR; i++) {
2432 outb(VPIT.AR[i], VIAAR);
2438 /* Update Patch Register */
2440 if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266
2441 || viaparinfo->chip_info->gfx_chip_name == UNICHROME_K400)
2442 && vmode_tbl->crtc[0].crtc.hor_addr == 1024
2443 && vmode_tbl->crtc[0].crtc.ver_addr == 768) {
2444 for (j = 0; j < res_patch_table[0].table_length; j++) {
2445 index = res_patch_table[0].io_reg_table[j].index;
2446 port = res_patch_table[0].io_reg_table[j].port;
2447 value = res_patch_table[0].io_reg_table[j].value;
2448 mask = res_patch_table[0].io_reg_table[j].mask;
2449 viafb_write_reg_mask(index, port, value, mask);
2453 via_set_primary_pitch(viafbinfo->fix.line_length);
2454 via_set_secondary_pitch(viafb_dual_fb ? viafbinfo1->fix.line_length
2455 : viafbinfo->fix.line_length);
2456 via_set_primary_color_depth(viaparinfo->depth);
2457 via_set_secondary_color_depth(viafb_dual_fb ? viaparinfo1->depth
2458 : viaparinfo->depth);
2459 via_set_source(viaparinfo->shared->iga1_devices, IGA1);
2460 via_set_source(viaparinfo->shared->iga2_devices, IGA2);
2461 if (viaparinfo->shared->iga2_devices)
2462 enable_second_display_channel();
2464 disable_second_display_channel();
2466 /* Update Refresh Rate Setting */
2468 /* Clear On Screen */
2472 if (viafb_SAMM_ON && (viaparinfo->crt_setting_info->iga_path ==
2474 viafb_fill_crtc_timing(crt_timing1, vmode_tbl1,
2476 viaparinfo->crt_setting_info->iga_path);
2478 viafb_fill_crtc_timing(crt_timing, vmode_tbl,
2480 viaparinfo->crt_setting_info->iga_path);
2483 /* Patch if set_hres is not 8 alignment (1366) to viafb_setmode
2484 to 8 alignment (1368),there is several pixels (2 pixels)
2485 on right side of screen. */
2486 if (vmode_tbl->crtc[0].crtc.hor_addr % 8) {
2488 viafb_write_reg(CR02, VIACR,
2489 viafb_read_reg(VIACR, CR02) - 1);
2495 if (viafb_SAMM_ON &&
2496 (viaparinfo->tmds_setting_info->iga_path == IGA2)) {
2497 viafb_dvi_set_mode(viafb_get_mode
2498 (viaparinfo->tmds_setting_info->h_active,
2499 viaparinfo->tmds_setting_info->
2501 video_bpp1, viaparinfo->
2502 tmds_setting_info->iga_path);
2504 viafb_dvi_set_mode(viafb_get_mode
2505 (viaparinfo->tmds_setting_info->h_active,
2507 tmds_setting_info->v_active),
2508 video_bpp, viaparinfo->
2509 tmds_setting_info->iga_path);
2514 if (viafb_SAMM_ON &&
2515 (viaparinfo->lvds_setting_info->iga_path == IGA2)) {
2516 viaparinfo->lvds_setting_info->bpp = video_bpp1;
2517 viafb_lcd_set_mode(crt_timing1, viaparinfo->
2519 &viaparinfo->chip_info->lvds_chip_info);
2521 /* IGA1 doesn't have LCD scaling, so set it center. */
2522 if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
2523 viaparinfo->lvds_setting_info->display_method =
2526 viaparinfo->lvds_setting_info->bpp = video_bpp;
2527 viafb_lcd_set_mode(crt_timing, viaparinfo->
2529 &viaparinfo->chip_info->lvds_chip_info);
2532 if (viafb_LCD2_ON) {
2533 if (viafb_SAMM_ON &&
2534 (viaparinfo->lvds_setting_info2->iga_path == IGA2)) {
2535 viaparinfo->lvds_setting_info2->bpp = video_bpp1;
2536 viafb_lcd_set_mode(crt_timing1, viaparinfo->
2538 &viaparinfo->chip_info->lvds_chip_info2);
2540 /* IGA1 doesn't have LCD scaling, so set it center. */
2541 if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
2542 viaparinfo->lvds_setting_info2->display_method =
2545 viaparinfo->lvds_setting_info2->bpp = video_bpp;
2546 viafb_lcd_set_mode(crt_timing, viaparinfo->
2548 &viaparinfo->chip_info->lvds_chip_info2);
2552 if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CX700)
2553 && (viafb_LCD_ON || viafb_DVI_ON))
2554 set_display_channel();
2556 /* If set mode normally, save resolution information for hot-plug . */
2557 if (!viafb_hotplug) {
2558 viafb_hotplug_Xres = vmode_tbl->crtc[0].crtc.hor_addr;
2559 viafb_hotplug_Yres = vmode_tbl->crtc[0].crtc.ver_addr;
2560 viafb_hotplug_bpp = video_bpp;
2561 viafb_hotplug_refresh = viafb_refresh;
2564 viafb_DeviceStatus = DVI_Device;
2566 viafb_DeviceStatus = CRT_Device;
2569 via_set_state(devices, VIA_STATE_ON);
2574 int viafb_get_pixclock(int hres, int vres, int vmode_refresh)
2578 for (i = 0; i < NUM_TOTAL_RES_MAP_REFRESH; i++) {
2579 if ((hres == res_map_refresh_tbl[i].hres)
2580 && (vres == res_map_refresh_tbl[i].vres)
2581 && (vmode_refresh == res_map_refresh_tbl[i].vmode_refresh))
2582 return res_map_refresh_tbl[i].pixclock;
2584 return RES_640X480_60HZ_PIXCLOCK;
2588 int viafb_get_refresh(int hres, int vres, u32 long_refresh)
2590 #define REFRESH_TOLERANCE 3
2591 int i, nearest = -1, diff = REFRESH_TOLERANCE;
2592 for (i = 0; i < NUM_TOTAL_RES_MAP_REFRESH; i++) {
2593 if ((hres == res_map_refresh_tbl[i].hres)
2594 && (vres == res_map_refresh_tbl[i].vres)
2595 && (diff > (abs(long_refresh -
2596 res_map_refresh_tbl[i].vmode_refresh)))) {
2597 diff = abs(long_refresh - res_map_refresh_tbl[i].
2602 #undef REFRESH_TOLERANCE
2604 return res_map_refresh_tbl[nearest].vmode_refresh;
2608 static void device_off(void)
2610 viafb_dvi_disable();
2611 viafb_lcd_disable();
2614 static void device_on(void)
2616 if (viafb_DVI_ON == 1)
2618 if (viafb_LCD_ON == 1)
2622 static void enable_second_display_channel(void)
2624 /* to enable second display channel. */
2625 viafb_write_reg_mask(CR6A, VIACR, 0x00, BIT6);
2626 viafb_write_reg_mask(CR6A, VIACR, BIT7, BIT7);
2627 viafb_write_reg_mask(CR6A, VIACR, BIT6, BIT6);
2630 static void disable_second_display_channel(void)
2632 /* to disable second display channel. */
2633 viafb_write_reg_mask(CR6A, VIACR, 0x00, BIT6);
2634 viafb_write_reg_mask(CR6A, VIACR, 0x00, BIT7);
2635 viafb_write_reg_mask(CR6A, VIACR, BIT6, BIT6);
2638 void viafb_set_dpa_gfx(int output_interface, struct GFX_DPA_SETTING\
2641 switch (output_interface) {
2642 case INTERFACE_DVP0:
2644 /* DVP0 Clock Polarity and Adjust: */
2645 viafb_write_reg_mask(CR96, VIACR,
2646 p_gfx_dpa_setting->DVP0, 0x0F);
2648 /* DVP0 Clock and Data Pads Driving: */
2649 viafb_write_reg_mask(SR1E, VIASR,
2650 p_gfx_dpa_setting->DVP0ClockDri_S, BIT2);
2651 viafb_write_reg_mask(SR2A, VIASR,
2652 p_gfx_dpa_setting->DVP0ClockDri_S1,
2654 viafb_write_reg_mask(SR1B, VIASR,
2655 p_gfx_dpa_setting->DVP0DataDri_S, BIT1);
2656 viafb_write_reg_mask(SR2A, VIASR,
2657 p_gfx_dpa_setting->DVP0DataDri_S1, BIT5);
2661 case INTERFACE_DVP1:
2663 /* DVP1 Clock Polarity and Adjust: */
2664 viafb_write_reg_mask(CR9B, VIACR,
2665 p_gfx_dpa_setting->DVP1, 0x0F);
2667 /* DVP1 Clock and Data Pads Driving: */
2668 viafb_write_reg_mask(SR65, VIASR,
2669 p_gfx_dpa_setting->DVP1Driving, 0x0F);
2673 case INTERFACE_DFP_HIGH:
2675 viafb_write_reg_mask(CR97, VIACR,
2676 p_gfx_dpa_setting->DFPHigh, 0x0F);
2680 case INTERFACE_DFP_LOW:
2682 viafb_write_reg_mask(CR99, VIACR,
2683 p_gfx_dpa_setting->DFPLow, 0x0F);
2689 viafb_write_reg_mask(CR97, VIACR,
2690 p_gfx_dpa_setting->DFPHigh, 0x0F);
2691 viafb_write_reg_mask(CR99, VIACR,
2692 p_gfx_dpa_setting->DFPLow, 0x0F);
2698 /*According var's xres, yres fill var's other timing information*/
2699 void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh,
2700 struct VideoModeTable *vmode_tbl)
2702 struct crt_mode_table *crt_timing = NULL;
2703 struct display_timing crt_reg;
2704 int i = 0, index = 0;
2705 crt_timing = vmode_tbl->crtc;
2706 for (i = 0; i < vmode_tbl->mode_array; i++) {
2708 if (crt_timing[i].refresh_rate == refresh)
2712 crt_reg = crt_timing[index].crtc;
2713 var->pixclock = viafb_get_pixclock(var->xres, var->yres, refresh);
2715 crt_reg.hor_total - (crt_reg.hor_sync_start + crt_reg.hor_sync_end);
2716 var->right_margin = crt_reg.hor_sync_start - crt_reg.hor_addr;
2717 var->hsync_len = crt_reg.hor_sync_end;
2719 crt_reg.ver_total - (crt_reg.ver_sync_start + crt_reg.ver_sync_end);
2720 var->lower_margin = crt_reg.ver_sync_start - crt_reg.ver_addr;
2721 var->vsync_len = crt_reg.ver_sync_end;