aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/video/au1200fb.c
blob: 03e57ef88378cd03891402c0fc0b2f5f205bf0bc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
/*
 * BRIEF MODULE DESCRIPTION
 *	Au1200 LCD Driver.
 *
 * Copyright 2004-2005 AMD
 * Author: AMD
 *
 * Based on:
 * linux/drivers/video/skeletonfb.c -- Skeleton for a frame buffer device
 *  Created 28 Dec 1997 by Geert Uytterhoeven
 *
 *  This program is free software; you can redistribute	 it and/or modify it
 *  under  the terms of	 the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the	License, or (at your
 *  option) any later version.
 *
 *  THIS  SOFTWARE  IS PROVIDED	  ``AS	IS'' AND   ANY	EXPRESS OR IMPLIED
 *  WARRANTIES,	  INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
 *  NO	EVENT  SHALL   THE AUTHOR  BE	 LIABLE FOR ANY	  DIRECT, INDIRECT,
 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 *  NOT LIMITED	  TO, PROCUREMENT OF  SUBSTITUTE GOODS	OR SERVICES; LOSS OF
 *  USE, DATA,	OR PROFITS; OR	BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 *  ANY THEORY OF LIABILITY, WHETHER IN	 CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *  You should have received a copy of the  GNU General Public License along
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/ctype.h>
#include <linux/dma-mapping.h>

#include <asm/mach-au1x00/au1000.h>
#include "au1200fb.h"

#ifdef CONFIG_PM
#include <asm/mach-au1x00/au1xxx_pm.h>
#endif

#ifndef CONFIG_FB_AU1200_DEVS
#define CONFIG_FB_AU1200_DEVS 4
#endif

#define DRIVER_NAME "au1200fb"
#define DRIVER_DESC "LCD controller driver for AU1200 processors"

#define DEBUG 1

#define print_err(f, arg...) printk(KERN_ERR DRIVER_NAME ": " f "\n", ## arg)
#define print_warn(f, arg...) printk(KERN_WARNING DRIVER_NAME ": " f "\n", ## arg)
#define print_info(f, arg...) printk(KERN_INFO DRIVER_NAME ": " f "\n", ## arg)

#if DEBUG
#define print_dbg(f, arg...) printk(KERN_DEBUG __FILE__ ": " f "\n", ## arg)
#else
#define print_dbg(f, arg...) do {} while (0)
#endif


#define AU1200_LCD_FB_IOCTL 0x46FF

#define AU1200_LCD_SET_SCREEN 1
#define AU1200_LCD_GET_SCREEN 2
#define AU1200_LCD_SET_WINDOW 3
#define AU1200_LCD_GET_WINDOW 4
#define AU1200_LCD_SET_PANEL  5
#define AU1200_LCD_GET_PANEL  6

#define SCREEN_SIZE		    (1<< 1)
#define SCREEN_BACKCOLOR    (1<< 2)
#define SCREEN_BRIGHTNESS   (1<< 3)
#define SCREEN_COLORKEY     (1<< 4)
#define SCREEN_MASK         (1<< 5)

struct au1200_lcd_global_regs_t {
	unsigned int flags;
	unsigned int xsize;
	unsigned int ysize;
	unsigned int backcolor;
	unsigned int brightness;
	unsigned int colorkey;
	unsigned int mask;
	unsigned int panel_choice;
	char panel_desc[80];

};

#define WIN_POSITION            (1<< 0)
#define WIN_ALPHA_COLOR         (1<< 1)
#define WIN_ALPHA_MODE          (1<< 2)
#define WIN_PRIORITY            (1<< 3)
#define WIN_CHANNEL             (1<< 4)
#define WIN_BUFFER_FORMAT       (1<< 5)
#define WIN_COLOR_ORDER         (1<< 6)
#define WIN_PIXEL_ORDER         (1<< 7)
#define WIN_SIZE                (1<< 8)
#define WIN_COLORKEY_MODE       (1<< 9)
#define WIN_DOUBLE_BUFFER_MODE  (1<< 10)
#define WIN_RAM_ARRAY_MODE      (1<< 11)
#define WIN_BUFFER_SCALE        (1<< 12)
#define WIN_ENABLE	            (1<< 13)

struct au1200_lcd_window_regs_t {
	unsigned int flags;
	unsigned int xpos;
	unsigned int ypos;
	unsigned int alpha_color;
	unsigned int alpha_mode;
	unsigned int priority;
	unsigned int channel;
	unsigned int buffer_format;
	unsigned int color_order;
	unsigned int pixel_order;
	unsigned int xsize;
	unsigned int ysize;
	unsigned int colorkey_mode;
	unsigned int double_buffer_mode;
	unsigned int ram_array_mode;
	unsigned int xscale;
	unsigned int yscale;
	unsigned int enable;
};


struct au1200_lcd_iodata_t {
	unsigned int subcmd;
	struct au1200_lcd_global_regs_t global;
	struct au1200_lcd_window_regs_t window;
};

#if defined(__BIG_ENDIAN)
#define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_11
#else
#define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_00
#endif
#define LCD_CONTROL_DEFAULT_SBPPF LCD_CONTROL_SBPPF_565

/* Private, per-framebuffer management information (independent of the panel itself) */
struct au1200fb_device {
	struct fb_info fb_info;			/* FB driver info record */

	int					plane;
	unsigned char* 		fb_mem;		/* FrameBuffer memory map */
	unsigned int		fb_len;
	dma_addr_t    		fb_phys;
};

static struct au1200fb_device _au1200fb_devices[CONFIG_FB_AU1200_DEVS];
/********************************************************************/

/* LCD controller restrictions */
#define AU1200_LCD_MAX_XRES	1280
#define AU1200_LCD_MAX_YRES	1024
#define AU1200_LCD_MAX_BPP	32
#define AU1200_LCD_MAX_CLK	96000000 /* fixme: this needs to go away ? */
#define AU1200_LCD_NBR_PALETTE_ENTRIES 256

/* Default number of visible screen buffer to allocate */
#define AU1200FB_NBR_VIDEO_BUFFERS 1

/********************************************************************/

static struct au1200_lcd *lcd = (struct au1200_lcd *) AU1200_LCD_ADDR;
static int window_index = 2; /* default is zero */
static int panel_index = 2; /* default is zero */
static struct window_settings *win;
static struct panel_settings *panel;
static int noblanking = 1;
static int nohwcursor = 0;

struct window_settings {
	unsigned char name[64];
	uint32 mode_backcolor;
	uint32 mode_colorkey;
	uint32 mode_colorkeymsk;
	struct {
		int xres;
		int yres;
		int xpos;
		int ypos;
		uint32 mode_winctrl1; /* winctrl1[FRM,CCO,PO,PIPE] */
		uint32 mode_winenable;
	} w[4];
};

#if defined(__BIG_ENDIAN)
#define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_00
#else
#define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_01
#endif

extern int board_au1200fb_panel_init (void);
extern int board_au1200fb_panel_shutdown (void);

#ifdef CONFIG_PM
int au1200fb_pm_callback(au1xxx_power_dev_t *dev,
		au1xxx_request_t request, void *data);
au1xxx_power_dev_t *LCD_pm_dev;
#endif

/*
 * Default window configurations
 */
static struct window_settings windows[] = {
	{ /* Index 0 */
		"0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx",
		/* mode_backcolor	*/ 0x006600ff,
		/* mode_colorkey,msk*/ 0, 0,
		{
			{
			/* xres, yres, xpos, ypos */ 0, 0, 0, 0,
			/* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
				LCD_WINCTRL1_PO_16BPP,
			/* mode_winenable*/ LCD_WINENABLE_WEN0,
			},
			{
			/* xres, yres, xpos, ypos */ 100, 100, 100, 100,
			/* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
				LCD_WINCTRL1_PO_16BPP |
				LCD_WINCTRL1_PIPE,
			/* mode_winenable*/ LCD_WINENABLE_WEN1,
			},
			{
			/* xres, yres, xpos, ypos */ 0, 0, 0, 0,
			/* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
				LCD_WINCTRL1_PO_16BPP,
			/* mode_winenable*/ 0,
			},
			{
			/* xres, yres, xpos, ypos */ 0, 0, 0, 0,
			/* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
				LCD_WINCTRL1_PO_16BPP |
				LCD_WINCTRL1_PIPE,
			/* mode_winenable*/ 0,
			},
		},
	},

	{ /* Index 1 */
		"0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx",
		/* mode_backcolor	*/ 0x006600ff,
		/* mode_colorkey,msk*/ 0, 0,
		{
			{
			/* xres, yres, xpos, ypos */ 320, 240, 5, 5,
			/* mode_winctrl1 */ LCD_WINCTRL1_FRM_24BPP |
				LCD_WINCTRL1_PO_00,
			/* mode_winenable*/ LCD_WINENABLE_WEN0,
			},
			{
			/* xres, yres, xpos, ypos */ 0, 0, 0, 0,
			/* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565
				| LCD_WINCTRL1_PO_16BPP,
			/* mode_winenable*/ 0,
			},
			{
			/* xres, yres, xpos, ypos */ 100, 100, 0, 0,
			/* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
				LCD_WINCTRL1_PO_16BPP |
				LCD_WINCTRL1_PIPE,
			/* mode_winenable*/ 0/*LCD_WINENABLE_WEN2*/,
			},
			{
			/* xres, yres, xpos, ypos */ 200, 25, 0, 0,
			/* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
				LCD_WINCTRL1_PO_16BPP |
				LCD_WINCTRL1_PIPE,
			/* mode_winenable*/ 0,
			},
		},
	},
	{ /* Index 2 */
		"0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx",
		/* mode_backcolor	*/ 0x006600ff,
		/* mode_colorkey,msk*/ 0, 0,
		{
			{
			/* xres, yres, xpos, ypos */ 0, 0, 0, 0,
			/* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
				LCD_WINCTRL1_PO_16BPP,
			/* mode_winenable*/ LCD_WINENABLE_WEN0,
			},
			{
			/* xres, yres, xpos, ypos */ 0, 0, 0, 0,
			/* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
				LCD_WINCTRL1_PO_16BPP,
			/* mode_winenable*/ 0,
			},
			{
			/* xres, yres, xpos, ypos */ 0, 0, 0, 0,
			/* mode_winctrl1 */ LCD_WINCTRL1_FRM_32BPP |
				LCD_WINCTRL1_PO_00|LCD_WINCTRL1_PIPE,
			/* mode_winenable*/ 0/*LCD_WINENABLE_WEN2*/,
			},
			{
			/* xres, yres, xpos, ypos */ 0, 0, 0, 0,
			/* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 |
				LCD_WINCTRL1_PO_16BPP |
				LCD_WINCTRL1_PIPE,
			/* mode_winenable*/ 0,
			},
		},
	},
	/* Need VGA 640 @ 24bpp, @ 32bpp */
	/* Need VGA 800 @ 24bpp, @ 32bpp */
	/* Need VGA 1024 @ 24bpp, @ 32bpp */
};

/*
 * Controller configurations for various panels.
 */

struct panel_settings
{
	const char name[25];		/* Full name <vendor>_<model> */

	struct 	fb_monspecs monspecs; 	/* FB monitor specs */

	/* panel timings */
	uint32 mode_screen;
	uint32 mode_horztiming;
	uint32 mode_verttiming;
	uint32 mode_clkcontrol;
	uint32 mode_pwmdiv;
	uint32 mode_pwmhi;
	uint32 mode_outmask;
	uint32 mode_fifoctrl;
	uint32 mode_toyclksrc;
	uint32 mode_backlight;
	uint32 mode_auxpll;
	int (*device_init)(void);
	int (*device_shutdown)(void);
#define Xres min_xres
#define Yres min_yres
	u32	min_xres;		/* Minimum horizontal resolution */
	u32	max_xres;		/* Maximum horizontal resolution */
	u32 	min_yres;		/* Minimum vertical resolution */
	u32 	max_yres;		/* Maximum vertical resolution */
};

/********************************************************************/
/* fixme: Maybe a modedb for the CRT ? otherwise panels should be as-is */

/* List of panels known to work with the AU1200 LCD controller.
 * To add a new panel, enter the same specifications as the
 * Generic_TFT one, and MAKE SURE that it doesn't conflicts
 * with the controller restrictions. Restrictions are:
 *
 * STN color panels: max_bpp <= 12
 * STN mono panels: max_bpp <= 4
 * TFT panels: max_bpp <= 16
 * max_xres <= 800
 * max_yres <= 600
 */
static struct panel_settings known_lcd_panels[] =
{
	[0] = { /* QVGA 320x240 H:33.3kHz V:110Hz */
		.name = "QVGA_320x240",
		.monspecs = {
			.modedb = NULL,
			.modedb_len = 0,
			.hfmin = 30000,
			.hfmax = 70000,
			.vfmin = 60,
			.vfmax = 60,
			.dclkmin = 6000000,
			.dclkmax = 28000000,
			.input = FB_DISP_RGB,
		},
		.mode_screen		= LCD_SCREEN_SX_N(320) |
			LCD_SCREEN_SY_N(240),
		.mode_horztiming	= 0x00c4623b,
		.mode_verttiming	= 0x00502814,
		.mode_clkcontrol	= 0x00020002, /* /4=24Mhz */
		.mode_pwmdiv		= 0x00000000,
		.mode_pwmhi		= 0x00000000,
		.mode_outmask	= 0x00FFFFFF,
		.mode_fifoctrl	= 0x2f2f2f2f,
		.mode_toyclksrc	= 0x00000004, /* AUXPLL directly */
		.mode_backlight	= 0x00000000,
		.mode_auxpll		= 8, /* 96MHz AUXPLL */
		.device_init		= NULL,
		.device_shutdown	= NULL,
		320, 320,
		240, 240,
	},

	[1] = { /* VGA 640x480 H:30.3kHz V:58Hz */
		.name = "VGA_640x480",
		.monspecs = {
			.modedb = NULL,
			.modedb_len = 0,
			.hfmin = 30000,
			.hfmax = 70000,
			.vfmin = 60,
			.vfmax = 60,
			.dclkmin = 6000000,
			.dclkmax = 28000000,
			.input = FB_DISP_RGB,
		},
		.mode_screen		= 0x13f9df80,
		.mode_horztiming	= 0x003c5859,
		.mode_verttiming	= 0x00741201,
		.mode_clkcontrol	= 0x00020001, /* /4=24Mhz */
		.mode_pwmdiv		= 0x00000000,
		.mode_pwmhi		= 0x00000000,
		.mode_outmask	= 0x00FFFFFF,
		.mode_fifoctrl	= 0x2f2f2f2f,
		.mode_toyclksrc	= 0x00000004, /* AUXPLL directly */
		.mode_backlight	= 0x00000000,
		.mode_auxpll		= 8, /* 96MHz AUXPLL */
		.device_init		= NULL,
		.device_shutdown	= NULL,
		640, 480,
		640, 480,
	},

	[2] = { /* SVGA 800x600 H:46.1kHz V:69Hz */
		.name = "SVGA_800x600",
		.monspecs = {
			.modedb = NULL,
			.modedb_len = 0,
			.hfmin = 30000,
			.hfmax = 70000,
			.vfmin = 60,
			.vfmax = 60,
			.dclkmin = 6000000,
			.dclkmax = 28000000,
			.input = FB_DISP_RGB,
		},
		.mode_screen		= 0x18fa5780,
		.mode_horztiming	= 0x00dc7e77,
		.mode_verttiming	= 0x00584805,
		.mode_clkcontrol	= 0x00020000, /* /2=48Mhz */
		.mode_pwmdiv		= 0x00000000,
		.mode_pwmhi		= 0x00000000,
		.mode_outmask	= 0x00FFFFFF,
		.mode_fifoctrl	= 0x2f2f2f2f,
		.mode_toyclksrc	= 0x00000004, /* AUXPLL directly */
		.mode_backlight	= 0x00000000,
		.mode_auxpll		= 8, /* 96MHz AUXPLL */
		.device_init		= NULL,
		.device_shutdown	= NULL,
		800, 800,
		600, 600,
	},

	[3] = { /* XVGA 1024x768 H:56.2kHz V:70Hz */
		.name = "XVGA_1024x768",
		.monspecs = {
			.modedb = NULL,
			.modedb_len = 0,
			.hfmin = 30000,
			.hfmax = 70000,
			.vfmin = 60,
			.vfmax = 60,
			.dclkmin = 6000000,
			.dclkmax = 28000000,
			.input = FB_DISP_RGB,
		},
		.mode_screen		= 0x1ffaff80,
		.mode_horztiming	= 0x007d0e57,
		.mode_verttiming	= 0x00740a01,
		.mode_clkcontrol	= 0x000A0000, /* /1 */
		.mode_pwmdiv		= 0x00000000,
		.mode_pwmhi		= 0x00000000,
		.mode_outmask	= 0x00FFFFFF,
		.mode_fifoctrl	= 0x2f2f2f2f,
		.mode_toyclksrc	= 0x00000004, /* AUXPLL directly */
		.mode_backlight	= 0x00000000,
		.mode_auxpll		= 6, /* 72MHz AUXPLL */
		.device_init		= NULL,
		.device_shutdown	= NULL,
		1024, 1024,
		768, 768,
	},

	[4] = { /* XVGA XVGA 1280x1024 H:68.5kHz V:65Hz */
		.name = "XVGA_1280x1024",
		.monspecs = {
			.modedb = NULL,
			.modedb_len = 0,
			.hfmin = 30000,
			.hfmax = 70000,
			.vfmin = 60,
			.vfmax = 60,
			.dclkmin = 6000000,
			.dclkmax = 28000000,
			.input = FB_DISP_RGB,
		},
		.mode_screen		= 0x27fbff80,
		.mode_horztiming	= 0x00cdb2c7,
		.mode_verttiming	= 0x00600002,
		.mode_clkcontrol	= 0x000A0000, /* /1 */
		.mode_pwmdiv		= 0x00000000,
		.mode_pwmhi		= 0x00000000,
		.mode_outmask	= 0x00FFFFFF,
		.mode_fifoctrl	= 0x2f2f2f2f,
		.mode_toyclksrc	= 0x00000004, /* AUXPLL directly */
		.mode_backlight	= 0x00000000,
		.mode_auxpll		= 10, /* 120MHz AUXPLL */
		.device_init		= NULL,
		.device_shutdown	= NULL,
		1280, 1280,
		1024, 1024,
	},

	[5] = { /* Samsung 1024x768 TFT */
		.name = "Samsung_1024x768_TFT",
		.monspecs = {
			.modedb = NULL,
			.modedb_len = 0,
			.hfmin = 30000,
			.hfmax = 70000,
			.vfmin = 60,
			.vfmax = 60,
			.dclkmin = 6000000,
			.dclkmax = 28000000,
			.input = FB_DISP_RGB,
		},
		.mode_screen		= 0x1ffaff80,
		.mode_horztiming	= 0x018cc677,
		.mode_verttiming	= 0x00241217,
		.mode_clkcontrol	= 0x00000000, /* SCB 0x1 /4=24Mhz */
		.mode_pwmdiv		= 0x8000063f, /* SCB 0x0 */
		.mode_pwmhi		= 0x03400000, /* SCB 0x0 */
		.mode_outmask	= 0x00FFFFFF,
		.mode_fifoctrl	= 0x2f2f2f2f,
		.mode_toyclksrc	= 0x00000004, /* AUXPLL directly */
		.mode_backlight	= 0x00000000,
		.mode_auxpll		= 8, /* 96MHz AUXPLL */
		.device_init		= board_au1200fb_panel_init,
		.device_shutdown	= board_au1200fb_panel_shutdown,
		1024, 1024,
		768, 768,
	},

	[6] = { /* Toshiba 640x480 TFT */
		.name = "Toshiba_640x480_TFT",
		.monspecs = {
			.modedb = NULL,
			.modedb_len = 0,
			.hfmin = 30000,
			.hfmax = 70000,
			.vfmin = 60,
			.vfmax = 60,
			.dclkmin = 6000000,
			.dclkmax = 28000000,
			.input = FB_DISP_RGB,
		},
		.mode_screen		= LCD_SCREEN_SX_N(640) |
			LCD_SCREEN_SY_N(480),
		.mode_horztiming	= LCD_HORZTIMING_HPW_N(96) |
			LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(51),
		.mode_verttiming	= LCD_VERTTIMING_VPW_N(2) |
			LCD_VERTTIMING_VND1_N(11) | LCD_VERTTIMING_VND2_N(32),
		.mode_clkcontrol	= 0x00000000, /* /4=24Mhz */
		.mode_pwmdiv		= 0x8000063f,
		.mode_pwmhi		= 0x03400000,
		.mode_outmask	= 0x00fcfcfc,
		.mode_fifoctrl	= 0x2f2f2f2f,
		.mode_toyclksrc	= 0x00000004, /* AUXPLL directly */
		.mode_backlight	= 0x00000000,
		.mode_auxpll		= 8, /* 96MHz AUXPLL */
		.device_init		= board_au1200fb_panel_init,
		.device_shutdown	= board_au1200fb_panel_shutdown,
		640, 480,
		640, 480,
	},

	[7] = { /* Sharp 320x240 TFT */
		.name = "Sharp_320x240_TFT",
		.monspecs = {
			.modedb = NULL,
			.modedb_len = 0,
			.hfmin = 12500,
			.hfmax = 20000,
			.vfmin = 38,
			.vfmax = 81,
			.dclkmin = 4500000,
			.dclkmax = 6800000,
			.input = FB_DISP_RGB,
		},
		.mode_screen		= LCD_SCREEN_SX_N(320) |
			LCD_SCREEN_SY_N(240),
		.mode_horztiming	= LCD_HORZTIMING_HPW_N(60) |
			LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(2),
		.mode_verttiming	= LCD_VERTTIMING_VPW_N(2) |
			LCD_VERTTIMING_VND1_N(2) | LCD_VERTTIMING_VND2_N(5),
		.mode_clkcontrol	= LCD_CLKCONTROL_PCD_N(7), /*16=6Mhz*/
		.mode_pwmdiv		= 0x8000063f,
		.mode_pwmhi		= 0x03400000,
		.mode_outmask	= 0x00fcfcfc,
		.mode_fifoctrl	= 0x2f2f2f2f,
		.mode_toyclksrc	= 0x00000004, /* AUXPLL directly */
		.mode_backlight	= 0x00000000,
		.mode_auxpll		= 8, /* 96MHz AUXPLL */
		.device_init		= board_au1200fb_panel_init,
		.device_shutdown	= board_au1200fb_panel_shutdown,
		320, 320,
		240, 240,
	},

	[8] = { /* Toppoly TD070WGCB2 7" 856x480 TFT */
		.name = "Toppoly_TD070WGCB2",
		.monspecs = {
			.modedb = NULL,
			.modedb_len = 0,
			.hfmin = 30000,
			.hfmax = 70000,
			.vfmin = 60,
			.vfmax = 60,
			.dclkmin = 6000000,
			.dclkmax = 28000000,
			.input = FB_DISP_RGB,
		},
		.mode_screen		= LCD_SCREEN_SX_N(856) |
			LCD_SCREEN_SY_N(480),
		.mode_horztiming	= LCD_HORZTIMING_HND2_N(43) |
			LCD_HORZTIMING_HND1_N(43) | LCD_HORZTIMING_HPW_N(114),
		.mode_verttiming	= LCD_VERTTIMING_VND2_N(20) |
			LCD_VERTTIMING_VND1_N(21) | LCD_VERTTIMING_VPW_N(4),
		.mode_clkcontrol	= 0x00020001, /* /4=24Mhz */
		.mode_pwmdiv		= 0x8000063f,
		.mode_pwmhi		= 0x03400000,
		.mode_outmask	= 0x00fcfcfc,
		.mode_fifoctrl	= 0x2f2f2f2f,
		.mode_toyclksrc	= 0x00000004, /* AUXPLL directly */
		.mode_backlight	= 0x00000000,
		.mode_auxpll		= 8, /* 96MHz AUXPLL */
		.device_init		= board_au1200fb_panel_init,
		.device_shutdown	= board_au1200fb_panel_shutdown,
		856, 856,
		480, 480,
	},
};

#define NUM_PANELS (ARRAY_SIZE(known_lcd_panels))

/********************************************************************/

#ifdef CONFIG_PM
static int set_brightness(unsigned int brightness)
{
	unsigned int hi1, divider;

	/* limit brightness pwm duty to >= 30/1600 */
	if (brightness < 30) {
		brightness = 30;
	}
	divider = (lcd->pwmdiv & 0x3FFFF) + 1;
	hi1 = (lcd->pwmhi >> 16) + 1;
	hi1 = (((brightness & 0xFF) + 1) * divider >> 8);
	lcd->pwmhi &= 0xFFFF;
	lcd->pwmhi |= (hi1 << 16);

	return brightness;
}
#endif /* CONFIG_PM */

static int winbpp (unsigned int winctrl1)
{
	int bits = 0;

	/* how many bits are needed for each pixel format */
	switch (winctrl1 & LCD_WINCTRL1_FRM) {
	case LCD_WINCTRL1_FRM_1BPP:
		bits = 1;
		break;
	case LCD_WINCTRL1_FRM_2BPP:
		bits = 2;
		break;
	case LCD_WINCTRL1_FRM_4BPP:
		bits = 4;
		break;
	case LCD_WINCTRL1_FRM_8BPP:
		bits = 8;
		break;
	case LCD_WINCTRL1_FRM_12BPP:
	case LCD_WINCTRL1_FRM_16BPP655:
	case LCD_WINCTRL1_FRM_16BPP565:
	case LCD_WINCTRL1_FRM_16BPP556:
	case LCD_WINCTRL1_FRM_16BPPI1555:
	case LCD_WINCTRL1_FRM_16BPPI5551:
	case LCD_WINCTRL1_FRM_16BPPA1555:
	case LCD_WINCTRL1_FRM_16BPPA5551:
		bits = 16;
		break;
	case LCD_WINCTRL1_FRM_24BPP:
	case LCD_WINCTRL1_FRM_32BPP:
		bits = 32;
		break;
	}

	return bits;
}

static int fbinfo2index (struct fb_info *fb_info)
{
	int i;

	for (i = 0; i < CONFIG_FB_AU1200_DEVS; ++i) {
		if (fb_info == (struct fb_info *)(&_au1200fb_devices[i].fb_info))
			return i;
	}
	printk("au1200fb: ERROR: fbinfo2index failed!\n");
	return -1;
}

static int au1200_setlocation (struct au1200fb_device *fbdev, int plane,
	int xpos, int ypos)
{
	uint32 winctrl0, winctrl1, winenable, fb_offset = 0;
	int xsz, ysz;

	/* FIX!!! NOT CHECKING FOR COMPLETE OFFSCREEN YET */

	winctrl0 = lcd->window[plane].winctrl0;
	winctrl1 = lcd->window[plane].winctrl1;
	winctrl0 &= (LCD_WINCTRL0_A | LCD_WINCTRL0_AEN);
	winctrl1 &= ~(LCD_WINCTRL1_SZX | LCD_WINCTRL1_SZY);

	/* Check for off-screen adjustments */
	xsz = win->w[plane].xres;
	ysz = win->w[plane].yres;
	if ((xpos + win->w[plane].xres) > panel->Xres) {
		/* Off-screen to the right */
		xsz = panel->Xres - xpos; /* off by 1 ??? */
		/*printk("off screen right\n");*/
	}

	if ((ypos + win->w[plane].yres) > panel->Yres) {
		/* Off-screen to the bottom */
		ysz = panel->Yres - ypos; /* off by 1 ??? */
		/*printk("off screen bottom\n");*/
	}

	if (xpos < 0) {
		/* Off-screen to the left */
		xsz = win->w[plane].xres + xpos;
		fb_offset += (((0 - xpos) * winbpp(lcd->window[plane].winctrl1))/8);
		xpos = 0;
		/*printk("off screen left\n");*/
	}

	if (ypos < 0) {
		/* Off-screen to the top */
		ysz = win->w[plane].yres + ypos;
		/* fixme: fb_offset += ((0-ypos)*fb_pars[plane].line_length); */
		ypos = 0;
		/*printk("off screen top\n");*/
	}

	/* record settings */
	win->w[plane].xpos = xpos;
	win->w[plane].ypos = ypos;

	xsz -= 1;
	ysz -= 1;
	winctrl0 |= (xpos << 21);
	winctrl0 |= (ypos << 10);
	winctrl1 |= (xsz << 11);
	winctrl1 |= (ysz << 0);

	/* Disable the window while making changes, then restore WINEN */
	winenable = lcd->winenable & (1 << plane);
	au_sync();
	lcd->winenable &= ~(1 << plane);
	lcd->window[plane].winctrl0 = winctrl0;
	lcd->window[plane].winctrl1 = winctrl1;
	lcd->window[plane].winbuf0 =
	lcd->window[plane].winbuf1 = fbdev->fb_phys;
	lcd->window[plane].winbufctrl = 0; /* select winbuf0 */
	lcd->winenable |= winenable;
	au_sync();

	return 0;
}

static void au1200_setpanel (struct panel_settings *newpanel)
{
	/*
	 * Perform global setup/init of LCD controller
	 */
	uint32 winenable;

	/* Make sure all windows disabled */
	winenable = lcd->winenable;
	lcd->winenable = 0;
	au_sync();
	/*
	 * Ensure everything is disabled before reconfiguring
	 */
	if (lcd->screen & LCD_SCREEN_SEN) {
		/* Wait for vertical sync period */
		lcd->intstatus = LCD_INT_SS;
		while ((lcd->intstatus & LCD_INT_SS) == 0) {
			au_sync();
		}

		lcd->screen &= ~LCD_SCREEN_SEN;	/*disable the controller*/

		do {
			lcd->intstatus = lcd->intstatus; /*clear interrupts*/
			au_sync();
		/*wait for controller to shut down*/
		} while ((lcd->intstatus & LCD_INT_SD) == 0);

		/* Call shutdown of current panel (if up) */
		/* this must occur last, because if an external clock is driving
		    the controller, the clock cannot be turned off before first
			shutting down the controller.
		 */
		if (panel->device_shutdown != NULL)
			panel->device_shutdown();
	}

	/* Newpanel == NULL indicates a shutdown operation only */
	if (newpanel == NULL)
		return;

	panel = newpanel;

	printk("Panel(%s), %dx%d\n", panel->name, panel->Xres, panel->Yres);

	/*
	 * Setup clocking if internal LCD clock source (assumes sys_auxpll valid)
	 */
	if (!(panel->mode_clkcontrol & LCD_CLKCONTROL_EXT))
	{
		uint32 sys_clksrc;
		au_writel(panel->mode_auxpll, SYS_AUXPLL);
		sys_clksrc = au_readl(SYS_CLKSRC) & ~0x0000001f;
		sys_clksrc |= panel->mode_toyclksrc;
		au_writel(sys_clksrc, SYS_CLKSRC);
	}

	/*
	 * Configure panel timings
	 */
	lcd->screen = panel->mode_screen;
	lcd->horztiming = panel->mode_horztiming;
	lcd->verttiming = panel->mode_verttiming;
	lcd->clkcontrol = panel->mode_clkcontrol;
	lcd->pwmdiv = panel->mode_pwmdiv;
	lcd->pwmhi = panel->mode_pwmhi;
	lcd->outmask = panel->mode_outmask;
	lcd->fifoctrl = panel->mode_fifoctrl;
	au_sync();

	/* fixme: Check window settings to make sure still valid
	 * for new geometry */
#if 0
	au1200_setlocation(fbdev, 0, win->w[0].xpos, win->w[0].ypos);
	au1200_setlocation(fbdev, 1, win->w[1].xpos, win->w[1].ypos);
	au1200_setlocation(fbdev, 2, win->w[2].xpos, win->w[2].ypos);
	au1200_setlocation(fbdev, 3, win->w[3].xpos, win->w[3].ypos);
#endif
	lcd->winenable = winenable;

	/*
	 * Re-enable screen now that it is configured
	 */
	lcd->screen |= LCD_SCREEN_SEN;
	au_sync();

	/* Call init of panel */
	if (panel->device_init != NULL) panel->device_init();

	/* FIX!!!! not appropriate on panel change!!! Global setup/init */
	lcd->intenable = 0;
	lcd->intstatus = ~0;
	lcd->backcolor = win->mode_backcolor;

	/* Setup Color Key - FIX!!! */
	lcd->colorkey = win->mode_colorkey;
	lcd->colorkeymsk = win->mode_colorkeymsk;

	/* Setup HWCursor - FIX!!! Need to support this eventually */
	lcd->hwc.cursorctrl = 0;
	lcd->hwc.cursorpos = 0;
	lcd->hwc.cursorcolor0 = 0;
	lcd->hwc.cursorcolor1 = 0;
	lcd->hwc.cursorcolor2 = 0;
	lcd->hwc.cursorcolor3 = 0;


#if 0
#define D(X) printk("%25s: %08X\n", #X, X)
	D(lcd->screen);
	D(lcd->horztiming);
	D(lcd->verttiming);
	D(lcd->clkcontrol);
	D(lcd->pwmdiv);
	D(lcd->pwmhi);
	D(lcd->outmask);
	D(lcd->fifoctrl);
	D(lcd->window[0].winctrl0);
	D(lcd->window[0].winctrl1);
	D(lcd->window[0].winctrl2);
	D(lcd->window[0].winbuf0);
	D(lcd->window[0].winbuf1);
	D(lcd->window[0].winbufctrl);
	D(lcd->window[1].winctrl0);
	D(lcd->window[1].winctrl1);
	D(lcd->window[1].winctrl2);
	D(lcd->window[1].winbuf0);
	D(lcd->window[1].winbuf1);
	D(lcd->window[1].winbufctrl);
	D(lcd->window[2].winctrl0);
	D(lcd->window[2].winctrl1);
	D(lcd->window[2].winctrl2);
	D(lcd->window[2].winbuf0);
	D(lcd->window[2].winbuf1);
	D(lcd->window[2].winbufctrl);
	D(lcd->window[3].winctrl0);
	D(lcd->window[3].winctrl1);
	D(lcd->window[3].winctrl2);
	D(lcd->window[3].winbuf0);
	D(lcd->window[3].winbuf1);
	D(lcd->window[3].winbufctrl);
	D(lcd->winenable);
	D(lcd->intenable);
	D(lcd->intstatus);
	D(lcd->backcolor);
	D(lcd->winenable);
	D(lcd->colorkey);
    D(lcd->colorkeymsk);
	D(lcd->hwc.cursorctrl);
	D(lcd->hwc.cursorpos);
	D(lcd->hwc.cursorcolor0);
	D(lcd->hwc.cursorcolor1);
	D(lcd->hwc.cursorcolor2);
	D(lcd->hwc.cursorcolor3);
#endif
}

static void au1200_setmode(struct au1200fb_device *fbdev)
{
	int plane = fbdev->plane;
	/* Window/plane setup */
	lcd->window[plane].winctrl1 = ( 0
		| LCD_WINCTRL1_PRI_N(plane)
		| win->w[plane].mode_winctrl1 /* FRM,CCO,PO,PIPE */
		) ;

	au1200_setlocation(fbdev, plane, win->w[plane].xpos, win->w[plane].ypos);

	lcd->window[plane].winctrl2 = ( 0
		| LCD_WINCTRL2_CKMODE_00
		| LCD_WINCTRL2_DBM
		| LCD_WINCTRL2_BX_N( fbdev->fb_info.fix.line_length)
		| LCD_WINCTRL2_SCX_1
		| LCD_WINCTRL2_SCY_1
		) ;
	lcd->winenable |= win->w[plane].mode_winenable;
	au_sync();
}


/* Inline helpers */

/*#define panel_is_dual(panel)  ((panel->mode_screen & LCD_SCREEN_PT) == LCD_SCREEN_PT_010)*/
/*#define panel_is_active(panel)((panel->mode_screen & LCD_SCREEN_PT) == LCD_SCREEN_PT_010)*/

#define panel_is_color(panel) ((panel->mode_screen & LCD_SCREEN_PT) <= LCD_SCREEN_PT_CDSTN)

/* Bitfields format supported by the controller. */
static struct fb_bitfield rgb_bitfields[][4] = {
  	/*     Red, 	   Green, 	 Blue, 	     Transp   */
	[LCD_WINCTRL1_FRM_16BPP655 >> 25] =
		{ { 10, 6, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },

	[LCD_WINCTRL1_FRM_16BPP565 >> 25] =
		{ { 11, 5, 0 }, { 5, 6, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },

	[LCD_WINCTRL1_FRM_16BPP556 >> 25] =
		{ { 11, 5, 0 }, { 6, 5, 0 }, { 0, 6, 0 }, { 0, 0, 0 } },

	[LCD_WINCTRL1_FRM_16BPPI1555 >> 25] =
		{ { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },

	[LCD_WINCTRL1_FRM_16BPPI5551 >> 25] =
		{ { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 0, 0 } },

	[LCD_WINCTRL1_FRM_16BPPA1555 >> 25] =
		{ { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 15, 1, 0 } },

	[LCD_WINCTRL1_FRM_16BPPA5551 >> 25] =
		{ { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 1, 0 } },

	[LCD_WINCTRL1_FRM_24BPP >> 25] =
		{ { 16, 8, 0 }, { 8, 8, 0 }, { 0, 8, 0 }, { 0, 0, 0 } },

	[LCD_WINCTRL1_FRM_32BPP >> 25] =
		{ { 16, 8, 0 }, { 8, 8, 0 }, { 0, 8, 0 }, { 24, 0, 0 } },
};

/*-------------------------------------------------------------------------*/

/* Helpers */

static void au1200fb_update_fbinfo(struct fb_info *fbi)
{
	/* FIX!!!! This also needs to take the window pixel format into account!!! */

	/* Update var-dependent FB info */
	if (panel_is_color(panel)) {
		if (fbi->var.bits_per_pixel <= 8) {
			/* palettized */
			fbi->fix.visual = FB_VISUAL_PSEUDOCOLOR;
			fbi->fix.line_length = fbi->var.xres_virtual /
				(8/fbi->var.bits_per_pixel);
		} else {
			/* non-palettized */
			fbi->fix.visual = FB_VISUAL_TRUECOLOR;
			fbi->fix.line_length = fbi->var.xres_virtual * (fbi->var.bits_per_pixel / 8);
		}
	} else {
		/* mono FIX!!! mono 8 and 4 bits */
		fbi->fix.visual = FB_VISUAL_MONO10;
		fbi->fix.line_length = fbi->var.xres_virtual / 8;
	}

	fbi->screen_size = fbi->fix.line_length * fbi->var.yres_virtual;
	print_dbg("line length: %d\n", fbi->fix.line_length);
	print_dbg("bits_per_pixel: %d\n", fbi->var.bits_per_pixel);
}

/*-------------------------------------------------------------------------*/

/* AU1200 framebuffer driver */

/* fb_check_var
 * Validate var settings with hardware restrictions and modify it if necessary
 */
static int au1200fb_fb_check_var(struct fb_var_screeninfo *var,
	struct fb_info *fbi)
{
	struct au1200fb_device *fbdev = (struct au1200fb_device *)fbi;
	u32 pixclock;
	int screen_size, plane;

	plane = fbdev->plane;

	/* Make sure that the mode respect all LCD controller and
	 * panel restrictions. */
	var->xres = win->w[plane].xres;
	var->yres = win->w[plane].yres;

	/* No need for virtual resolution support */
	var->xres_virtual = var->xres;
	var->yres_virtual = var->yres;

	var->bits_per_pixel = winbpp(win->w[plane].mode_winctrl1);

	screen_size = var->xres_virtual * var->yres_virtual;
	if (var->bits_per_pixel > 8) screen_size *= (var->bits_per_pixel / 8);
	else screen_size /= (8/var->bits_per_pixel);

	if (fbdev->fb_len < screen_size)
		return -EINVAL; /* Virtual screen is to big, abort */

	/* FIX!!!! what are the implicaitons of ignoring this for windows ??? */
	/* The max LCD clock is fixed to 48MHz (value of AUX_CLK). The pixel
	 * clock can only be obtain by dividing this value by an even integer.
	 * Fallback to a slower pixel clock if necessary. */
	pixclock = max((u32)(PICOS2KHZ(var->pixclock) * 1000), fbi->monspecs.dclkmin);
	pixclock = min(pixclock, min(fbi->monspecs.dclkmax, (u32)AU1200_LCD_MAX_CLK/2));

	if (AU1200_LCD_MAX_CLK % pixclock) {
		int diff = AU1200_LCD_MAX_CLK % pixclock;
		pixclock -= diff;
	}

	var->pixclock = KHZ2PICOS(pixclock/1000);
#if 0
	if (!panel_is_active(panel)) {
		int pcd = AU1200_LCD_MAX_CLK / (pixclock * 2) - 1;

		if (!panel_is_color(panel)
			&& (panel->control_base & LCD_CONTROL_MPI) && (pcd < 3)) {
			/* STN 8bit mono panel support is up to 6MHz pixclock */
			var->pixclock = KHZ2PICOS(6000);
		} else if (!pcd) {
			/* Other STN panel support is up to 12MHz  */
			var->pixclock = KHZ2PICOS(12000);
		}
	}
#endif
	/* Set bitfield accordingly */
	switch (var->bits_per_pixel) {
		case 16:
		{
			/* 16bpp True color.
			 * These must be set to MATCH WINCTRL[FORM] */
			int idx;
			idx = (win->w[0].mode_winctrl1 & LCD_WINCTRL1_FRM) >> 25;
			var->red    = rgb_bitfields[idx][0];
			var->green  = rgb_bitfields[idx][1];
			var->blue   = rgb_bitfields[idx][2];
			var->transp = rgb_bitfields[idx][3];
			break;
		}

		case 32:
		{
			/* 32bpp True color.
			 * These must be set to MATCH WINCTRL[FORM] */
			int idx;
			idx = (win->w[0].mode_winctrl1 & LCD_WINCTRL1_FRM) >> 25;
			var->red    = rgb_bitfields[idx][0];
			var->green  = rgb_bitfields[idx][1];
			var->blue   = rgb_bitfields[idx][2];
			var->transp = rgb_bitfields[idx][3];
			break;
		}
		default:
			print_dbg("Unsupported depth %dbpp", var->bits_per_pixel);
			return -EINVAL;
	}

	return 0;
}

/* fb_set_par
 * Set hardware with var settings. This will enable the controller with a
 * specific mode, normally validated with the fb_check_var method
 */
static int au1200fb_fb_set_par(struct fb_info *fbi)
{
	struct au1200fb_device *fbdev = (struct au1200fb_device *)fbi;

	au1200fb_update_fbinfo(fbi);
	au1200_setmode(fbdev);

	return 0;
}

/* fb_setcolreg
 * Set color in LCD palette.
 */
static int au1200fb_fb_setcolreg(unsigned regno, unsigned red, unsigned green,
	unsigned blue, unsigned transp, struct fb_info *fbi)
{
	volatile u32 *palette = lcd->palette;
	u32 value;

	if (regno > (AU1200_LCD_NBR_PALETTE_ENTRIES - 1))
		return -EINVAL;

	if (fbi->var.grayscale) {
		/* Convert color to grayscale */
		red = green = blue =
			(19595 * red + 38470 * green + 7471 * blue) >> 16;
	}

	if (fbi->fix.visual == FB_VISUAL_TRUECOLOR) {
		/* Place color in the pseudopalette */
		if (regno > 16)
			return -EINVAL;

		palette = (u32*) fbi->pseudo_palette;

		red   >>= (16 - fbi->var.red.length);
		green >>= (16 - fbi->var.green.length);
		blue  >>= (16 - fbi->var.blue.length);

		value = (red   << fbi->var.red.offset) 	|
			(green << fbi->var.green.offset)|
			(blue  << fbi->var.blue.offset);
		value &= 0xFFFF;

	} else if (1 /*FIX!!! panel_is_active(fbdev->panel)*/) {
		/* COLOR TFT PALLETTIZED (use RGB 565) */
		value = (red & 0xF800)|((green >> 5) &
				0x07E0)|((blue >> 11) & 0x001F);
		value &= 0xFFFF;

	} else if (0 /*panel_is_color(fbdev->panel)*/) {
		/* COLOR STN MODE */
		value = 0x1234;
		value &= 0xFFF;
	} else {
		/* MONOCHROME MODE */
		value = (green >> 12) & 0x000F;
		value &= 0xF;
	}

	palette[regno] = value;

	return 0;
}

/* fb_blank
 * Blank the screen. Depending on the mode, the screen will be
 * activated with the backlight color, or desactivated
 */
static int au1200fb_fb_blank(int blank_mode, struct fb_info *fbi)
{
	/* Short-circuit screen blanking */
	if (noblanking)
		return 0;

	switch (blank_mode) {

	case FB_BLANK_UNBLANK:
	case FB_BLANK_NORMAL:
		/* printk("turn on panel\n"); */
		au1200_setpanel(panel);
		break;
	case FB_BLANK_VSYNC_SUSPEND:
	case FB_BLANK_HSYNC_SUSPEND:
	case FB_BLANK_POWERDOWN:
		/* printk("turn off panel\n"); */
		au1200_setpanel(NULL);
		break;
	default:
		break;

	}

	/* FB_BLANK_NORMAL is a soft blank */
	return (blank_mode == FB_BLANK_NORMAL) ? -EINVAL : 0;
}

/* fb_mmap
 * Map video memory in user space. We don't use the generic fb_mmap
 * method mainly to allow the use of the TLB streaming flag (CCA=6)
 */
static int au1200fb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)

{
	unsigned int len;
	unsigned long start=0, off;
	struct au1200fb_device *fbdev = (struct au1200fb_device *) info;

#ifdef CONFIG_PM
	au1xxx_pm_access(LCD_pm_dev);
#endif

	if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) {
		return -EINVAL;
	}

	start = fbdev->fb_phys & PAGE_MASK;
	len = PAGE_ALIGN((start & ~PAGE_MASK) + fbdev->fb_len);

	off = vma->vm_pgoff << PAGE_SHIFT;

	if ((vma->vm_end - vma->vm_start + off) > len) {
		return -EINVAL;
	}

	off += start;
	vma->vm_pgoff = off >> PAGE_SHIFT;

	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
	pgprot_val(vma->vm_page_prot) |= _CACHE_MASK; /* CCA=7 */

	vma->vm_flags |= VM_IO;

	return io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
				  vma->vm_end - vma->vm_start,
				  vma->vm_page_prot);

	return 0;
}

static void set_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata)
{

	unsigned int hi1, divider;

	/* SCREEN_SIZE: user cannot reset size, must switch panel choice */

	if (pdata->flags & SCREEN_BACKCOLOR)
		lcd->backcolor = pdata->backcolor;

	if (pdata->flags & SCREEN_BRIGHTNESS) {

		// limit brightness pwm duty to >= 30/1600
		if (pdata->brightness < 30) {
			pdata->brightness = 30;
		}
		divider = (lcd->pwmdiv & 0x3FFFF) + 1;
		hi1 = (lcd->pwmhi >> 16) + 1;
		hi1 = (((pdata->brightness & 0xFF)+1) * divider >> 8);
		lcd->pwmhi &= 0xFFFF;
		lcd->pwmhi |= (hi1 << 16);
	}

	if (pdata->flags & SCREEN_COLORKEY)
		lcd->colorkey = pdata->colorkey;

	if (pdata->flags & SCREEN_MASK)
		lcd->colorkeymsk = pdata->mask;
	au_sync();
}

static void get_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata)
{
	unsigned int hi1, divider;

	pdata->xsize = ((lcd->screen & LCD_SCREEN_SX) >> 19) + 1;
	pdata->ysize = ((lcd->screen & LCD_SCREEN_SY) >> 8) + 1;

	pdata->backcolor = lcd->backcolor;
	pdata->colorkey = lcd->colorkey;
	pdata->mask = lcd->colorkeymsk;

	// brightness
	hi1 = (lcd->pwmhi >> 16) + 1;
	divider = (lcd->pwmdiv & 0x3FFFF) + 1;
	pdata->brightness = ((hi1 << 8) / divider) - 1;
	au_sync();
}

static void set_window(unsigned int plane,
	struct au1200_lcd_window_regs_t *pdata)
{
	unsigned int val, bpp;

	/* Window control register 0 */
	if (pdata->flags & WIN_POSITION) {
		val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_OX |
				LCD_WINCTRL0_OY);
		val |= ((pdata->xpos << 21) & LCD_WINCTRL0_OX);
		val |= ((pdata->ypos << 10) & LCD_WINCTRL0_OY);
		lcd->window[plane].winctrl0 = val;
	}
	if (pdata->flags & WIN_ALPHA_COLOR) {
		val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_A);
		val |= ((pdata->alpha_color << 2) & LCD_WINCTRL0_A);
		lcd->window[plane].winctrl0 = val;
	}
	if (pdata->flags & WIN_ALPHA_MODE) {
		val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_AEN);
		val |= ((pdata->alpha_mode << 1) & LCD_WINCTRL0_AEN);
		lcd->window[plane].winctrl0 = val;
	}

	/* Window control register 1 */
	if (pdata->flags & WIN_PRIORITY) {
		val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PRI);
		val |= ((pdata->priority << 30) & LCD_WINCTRL1_PRI);
		lcd->window[plane].winctrl1 = val;
	}
	if (pdata->flags & WIN_CHANNEL) {
		val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PIPE);
		val |= ((pdata->channel << 29) & LCD_WINCTRL1_PIPE);
		lcd->window[plane].winctrl1 = val;
	}
	if (pdata->flags & WIN_BUFFER_FORMAT) {
		val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_FRM);
		val |= ((pdata->buffer_format << 25) & LCD_WINCTRL1_FRM);
		lcd->window[plane].winctrl1 = val;
	}
	if (pdata->flags & WIN_COLOR_ORDER) {
		val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_CCO);
		val |= ((pdata->color_order << 24) & LCD_WINCTRL1_CCO);
		lcd->window[plane].winctrl1 = val;
	}
	if (pdata->flags & WIN_PIXEL_ORDER) {
		val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PO);
		val |= ((pdata->pixel_order << 22) & LCD_WINCTRL1_PO);
		lcd->window[plane].winctrl1 = val;
	}
	if (pdata->flags & WIN_SIZE) {
		val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_SZX |
				LCD_WINCTRL1_SZY);
		val |= (((pdata->xsize << 11) - 1) & LCD_WINCTRL1_SZX);
		val |= (((pdata->ysize) - 1) & LCD_WINCTRL1_SZY);
		lcd->window[plane].winctrl1 = val;
		/* program buffer line width */
		bpp = winbpp(val) / 8;
		val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_BX);
		val |= (((pdata->xsize * bpp) << 8) & LCD_WINCTRL2_BX);
		lcd->window[plane].winctrl2 = val;
	}

	/* Window control register 2 */
	if (pdata->flags & WIN_COLORKEY_MODE) {
		val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_CKMODE);
		val |= ((pdata->colorkey_mode << 24) & LCD_WINCTRL2_CKMODE);
		lcd->window[plane].winctrl2 = val;
	}
	if (pdata->flags & WIN_DOUBLE_BUFFER_MODE) {
		val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_DBM);
		val |= ((pdata->double_buffer_mode << 23) & LCD_WINCTRL2_DBM);
		lcd->window[plane].winctrl2 = val;
	}
	if (pdata->flags & WIN_RAM_ARRAY_MODE) {
		val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_RAM);
		val |= ((pdata->ram_array_mode << 21) & LCD_WINCTRL2_RAM);
		lcd->window[plane].winctrl2 = val;
	}

	/* Buffer line width programmed with WIN_SIZE */

	if (pdata->flags & WIN_BUFFER_SCALE) {
		val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_SCX |
				LCD_WINCTRL2_SCY);
		val |= ((pdata->xsize << 11) & LCD_WINCTRL2_SCX);
		val |= ((pdata->ysize) & LCD_WINCTRL2_SCY);
		lcd->window[plane].winctrl2 = val;
	}

	if (pdata->flags & WIN_ENABLE) {
		val = lcd->winenable;
		val &= ~(1<<plane);
		val |= (pdata->enable & 1) << plane;
		lcd->winenable = val;
	}
	au_sync();
}

static void get_window(unsigned int plane,
	struct au1200_lcd_window_regs_t *pdata)
{
	/* Window control register 0 */
	pdata->xpos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OX) >> 21;
	pdata->ypos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OY) >> 10;
	pdata->alpha_color = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_A) >> 2;
	pdata->alpha_mode = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_AEN) >> 1;

	/* Window control register 1 */
	pdata->priority = (lcd->window[plane].winctrl1& LCD_WINCTRL1_PRI) >> 30;
	pdata->channel = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PIPE) >> 29;
	pdata->buffer_format = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_FRM) >> 25;
	pdata->color_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_CCO) >> 24;
	pdata->pixel_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PO) >> 22;
	pdata->xsize = ((lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZX) >> 11) + 1;
	pdata->ysize = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZY) + 1;

	/* Window control register 2 */
	pdata->colorkey_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_CKMODE) >> 24;
	pdata->double_buffer_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_DBM) >> 23;
	pdata->ram_array_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_RAM) >> 21;

	pdata->enable = (lcd->winenable >> plane) & 1;
	au_sync();
}

static int au1200fb_ioctl(struct fb_info *info, unsigned int cmd,
                          unsigned long arg)
{
	int plane;
	int val;

#ifdef CONFIG_PM
	au1xxx_pm_access(LCD_pm_dev);
#endif

	plane = fbinfo2index(info);
	print_dbg("au1200fb: ioctl %d on plane %d\n", cmd, plane);

	if (cmd == AU1200_LCD_FB_IOCTL) {
		struct au1200_lcd_iodata_t iodata;

		if (copy_from_user(&iodata, (void __user *) arg, sizeof(iodata)))
			return -EFAULT;

		print_dbg("FB IOCTL called\n");

		switch (iodata.subcmd) {
		case AU1200_LCD_SET_SCREEN:
			print_dbg("AU1200_LCD_SET_SCREEN\n");
			set_global(cmd, &iodata.global);
			break;

		case AU1200_LCD_GET_SCREEN:
			print_dbg("AU1200_LCD_GET_SCREEN\n");
			get_global(cmd, &iodata.global);
			break;

		case AU1200_LCD_SET_WINDOW:
			print_dbg("AU1200_LCD_SET_WINDOW\n");
			set_window(plane, &iodata.window);
			break;

		case AU1200_LCD_GET_WINDOW:
			print_dbg("AU1200_LCD_GET_WINDOW\n");
			get_window(plane, &iodata.window);
			break;

		case AU1200_LCD_SET_PANEL:
			print_dbg("AU1200_LCD_SET_PANEL\n");
			if ((iodata.global.panel_choice >= 0) &&
					(iodata.global.panel_choice <
					 NUM_PANELS))
			{
				struct panel_settings *newpanel;
				panel_index = iodata.global.panel_choice;
				newpanel = &known_lcd_panels[panel_index];
				au1200_setpanel(newpanel);
			}
			break;

		case AU1200_LCD_GET_PANEL:
			print_dbg("AU1200_LCD_GET_PANEL\n");
			iodata.global.panel_choice = panel_index;
			break;

		default:
			return -EINVAL;
		}

		val = copy_to_user((void __user *) arg, &iodata, sizeof(iodata));
		if (val) {
			print_dbg("error: could not copy %d bytes\n", val);
			return -EFAULT;
		}
	}

	return 0;
}


static struct fb_ops au1200fb_fb_ops = {
	.owner		= THIS_MODULE,
	.fb_check_var	= au1200fb_fb_check_var,
	.fb_set_par	= au1200fb_fb_set_par,
	.fb_setcolreg	= au1200fb_fb_setcolreg,
	.fb_blank	= au1200fb_fb_blank,
	.fb_fillrect	= cfb_fillrect,
	.fb_copyarea	= cfb_copyarea,
	.fb_imageblit	= cfb_imageblit,
	.fb_sync	= NULL,
	.fb_ioctl	= au1200fb_ioctl,
	.fb_mmap	= au1200fb_fb_mmap,
};

/*-------------------------------------------------------------------------*/

static irqreturn_t au1200fb_handle_irq(int irq, void* dev_id)
{
	/* Nothing to do for now, just clear any pending interrupt */
	lcd->intstatus = lcd->intstatus;
	au_sync();

	return IRQ_HANDLED;
}

/*-------------------------------------------------------------------------*/

/* AU1200 LCD device probe helpers */

static int au1200fb_init_fbinfo(struct au1200fb_device *fbdev)
{
	struct fb_info *fbi = &fbdev->fb_info;
	int bpp;

	memset(fbi, 0, sizeof(struct fb_info));
	fbi->fbops = &au1200fb_fb_ops;

	bpp = winbpp(win->w[fbdev->plane].mode_winctrl1);

	/* Copy monitor specs from panel data */
	/* fixme: we're setting up LCD controller windows, so these dont give a
	damn as to what the monitor specs are (the panel itself does, but that
	isnt done here...so maybe need a generic catchall monitor setting??? */
	memcpy(&fbi->monspecs, &panel->monspecs, sizeof(struct fb_monspecs));

	/* We first try the user mode passed in argument. If that failed,
	 * or if no one has been specified, we default to the first mode of the
	 * panel list. Note that after this call, var data will be set */
	if (!fb_find_mode(&fbi->var,
			  fbi,
			  NULL, /* drv_info.opt_mode, */
			  fbi->monspecs.modedb,
			  fbi->monspecs.modedb_len,
			  fbi->monspecs.modedb,
			  bpp)) {

		print_err("Cannot find valid mode for panel %s", panel->name);
		return -EFAULT;
	}

	fbi->pseudo_palette = kcalloc(16, sizeof(u32), GFP_KERNEL);
	if (!fbi->pseudo_palette) {
		return -ENOMEM;
	}

	if (fb_alloc_cmap(&fbi->cmap, AU1200_LCD_NBR_PALETTE_ENTRIES, 0) < 0) {
		print_err("Fail to allocate colormap (%d entries)",
			   AU1200_LCD_NBR_PALETTE_ENTRIES);
		kfree(fbi->pseudo_palette);
		return -EFAULT;
	}

	strncpy(fbi->fix.id, "AU1200", sizeof(fbi->fix.id));
	fbi->fix.smem_start = fbdev->fb_phys;
	fbi->fix.smem_len = fbdev->fb_len;
	fbi->fix.type = FB_TYPE_PACKED_PIXELS;
	fbi->fix.xpanstep = 0;
	fbi->fix.ypanstep = 0;
	fbi->fix.mmio_start = 0;
	fbi->fix.mmio_len = 0;
	fbi->fix.accel = FB_ACCEL_NONE;

	fbi->screen_base = (char __iomem *) fbdev->fb_mem;

	au1200fb_update_fbinfo(fbi);

	return 0;
}

/*-------------------------------------------------------------------------*/

/* AU1200 LCD controller device driver */

static int au1200fb_drv_probe(struct device *dev)
{
	struct au1200fb_device *fbdev;
	unsigned long page;
	int bpp, plane, ret;

	if (!dev)
		return -EINVAL;

	for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane) {
		bpp = winbpp(win->w[plane].mode_winctrl1);
		if (win->w[plane].xres == 0)
			win->w[plane].xres = panel->Xres;
		if (win->w[plane].yres == 0)
			win->w[plane].yres = panel->Yres;

		fbdev = &_au1200fb_devices[plane];
		memset(fbdev, 0, sizeof(struct au1200fb_device));
		fbdev->plane = plane;

		/* Allocate the framebuffer to the maximum screen size */
		fbdev->fb_len = (win->w[plane].xres * win->w[plane].yres * bpp) / 8;

		fbdev->fb_mem = dma_alloc_noncoherent(dev,
				PAGE_ALIGN(fbdev->fb_len),
				&fbdev->fb_phys, GFP_KERNEL);
		if (!fbdev->fb_mem) {
			print_err("fail to allocate frambuffer (size: %dK))",
				  fbdev->fb_len / 1024);
			return -ENOMEM;
		}

		/*
		 * Set page reserved so that mmap will work. This is necessary
		 * since we'll be remapping normal memory.
		 */
		for (page = (unsigned long)fbdev->fb_phys;
		     page < PAGE_ALIGN((unsigned long)fbdev->fb_phys +
			     fbdev->fb_len);
		     page += PAGE_SIZE) {
			SetPageReserved(pfn_to_page(page >> PAGE_SHIFT)); /* LCD DMA is NOT coherent on Au1200 */
		}
		print_dbg("Framebuffer memory map at %p", fbdev->fb_mem);
		print_dbg("phys=0x%08x, size=%dK", fbdev->fb_phys, fbdev->fb_len / 1024);

		/* Init FB data */
		if ((ret = au1200fb_init_fbinfo(fbdev)) < 0)
			goto failed;

		/* Register new framebuffer */
		if ((ret = register_framebuffer(&fbdev->fb_info)) < 0) {
			print_err("cannot register new framebuffer");
			goto failed;
		}

		au1200fb_fb_set_par(&fbdev->fb_info);

#if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
		if (plane == 0)
			if (fb_prepare_logo(&fbdev->fb_info, FB_ROTATE_UR)) {
				/* Start display and show logo on boot */
				fb_set_cmap(&fbdev->fb_info.cmap,
						&fbdev->fb_info);

				fb_show_logo(&fbdev->fb_info, FB_ROTATE_UR);
			}
#endif
	}

	/* Now hook interrupt too */
	if ((ret = request_irq(AU1200_LCD_INT, au1200fb_handle_irq,
		 	  IRQF_DISABLED | IRQF_SHARED, "lcd", (void *)dev)) < 0) {
		print_err("fail to request interrupt line %d (err: %d)",
			  AU1200_LCD_INT, ret);
		goto failed;
	}

	return 0;

failed:
	/* NOTE: This only does the current plane/window that failed; others are still active */
	if (fbdev->fb_mem)
		dma_free_noncoherent(dev, PAGE_ALIGN(fbdev->fb_len),
				fbdev->fb_mem, fbdev->fb_phys);
	if (fbdev->fb_info.cmap.len != 0)
		fb_dealloc_cmap(&fbdev->fb_info.cmap);
	if (fbdev->fb_info.pseudo_palette)
		kfree(fbdev->fb_info.pseudo_palette);
	if (plane == 0)
		free_irq(AU1200_LCD_INT, (void*)dev);
	return ret;
}

static int au1200fb_drv_remove(struct device *dev)
{
	struct au1200fb_device *fbdev;
	int plane;

	if (!dev)
		return -ENODEV;

	/* Turn off the panel */
	au1200_setpanel(NULL);

	for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane)
	{
		fbdev = &_au1200fb_devices[plane];

		/* Clean up all probe data */
		unregister_framebuffer(&fbdev->fb_info);
		if (fbdev->fb_mem)
			dma_free_noncoherent(dev, PAGE_ALIGN(fbdev->fb_len),
					fbdev->fb_mem, fbdev->fb_phys);
		if (fbdev->fb_info.cmap.len != 0)
			fb_dealloc_cmap(&fbdev->fb_info.cmap);
		if (fbdev->fb_info.pseudo_palette)
			kfree(fbdev->fb_info.pseudo_palette);
	}

	free_irq(AU1200_LCD_INT, (void *)dev);

	return 0;
}

#ifdef CONFIG_PM
static int au1200fb_drv_suspend(struct device *dev, u32 state, u32 level)
{
	/* TODO */
	return 0;
}

static int au1200fb_drv_resume(struct device *dev, u32 level)
{
	/* TODO */
	return 0;
}
#endif /* CONFIG_PM */

static struct device_driver au1200fb_driver = {
	.name		= "au1200-lcd",
	.bus		= &platform_bus_type,
	.probe		= au1200fb_drv_probe,
	.remove		= au1200fb_drv_remove,
#ifdef CONFIG_PM
	.suspend	= au1200fb_drv_suspend,
	.resume		= au1200fb_drv_resume,
#endif
};

/*-------------------------------------------------------------------------*/

/* Kernel driver */

static void au1200fb_setup(void)
{
	char* options = NULL;
	char* this_opt;
	int num_panels = ARRAY_SIZE(known_lcd_panels);
	int panel_idx = -1;

	fb_get_options(DRIVER_NAME, &options);

	if (options) {
		while ((this_opt = strsep(&options,",")) != NULL) {
			/* Panel option - can be panel name,
			 * "bs" for board-switch, or number/index */
			if (!strncmp(this_opt, "panel:", 6)) {
				int i;
				long int li;
				char *endptr;
				this_opt += 6;
				/* First check for index, which allows
				 * to short circuit this mess */
				li = simple_strtol(this_opt, &endptr, 0);
				if (*endptr == '\0') {
					panel_idx = (int)li;
				}
				else if (strcmp(this_opt, "bs") == 0) {
					extern int board_au1200fb_panel(void);
					panel_idx = board_au1200fb_panel();
				}

				else
				for (i = 0; i < num_panels; i++) {
					if (!strcmp(this_opt, known_lcd_panels[i].name)) {
						panel_idx = i;
						break;
					}
				}

				if ((panel_idx < 0) || (panel_idx >= num_panels)) {
						print_warn("Panel %s not supported!", this_opt);
				}
				else
					panel_index = panel_idx;
			}

			else if (strncmp(this_opt, "nohwcursor", 10) == 0) {
				nohwcursor = 1;
			}

			/* Unsupported option */
			else {
				print_warn("Unsupported option \"%s\"", this_opt);
			}
		}
	}
}

#ifdef CONFIG_PM
static int au1200fb_pm_callback(au1xxx_power_dev_t *dev,
		au1xxx_request_t request, void *data) {
	int retval = -1;
	unsigned int d = 0;
	unsigned int brightness = 0;

	if (request == AU1XXX_PM_SLEEP) {
		board_au1200fb_panel_shutdown();
	}
	else if (request == AU1XXX_PM_WAKEUP) {
		if(dev->prev_state == SLEEP_STATE)
		{
			int plane;
			au1200_setpanel(panel);
			for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane) 	{
				struct au1200fb_device *fbdev;
				fbdev = &_au1200fb_devices[plane];
				au1200fb_fb_set_par(&fbdev->fb_info);
			}
		}

		d = *((unsigned int*)data);
		if(d <=10) brightness = 26;
		else if(d<=20) brightness = 51;
		else if(d<=30) brightness = 77;
		else if(d<=40) brightness = 102;
		else if(d<=50) brightness = 128;
		else if(d<=60) brightness = 153;
		else if(d<=70) brightness = 179;
		else if(d<=80) brightness = 204;
		else if(d<=90) brightness = 230;
		else brightness = 255;
		set_brightness(brightness);
	} else if (request == AU1XXX_PM_GETSTATUS) {
		return dev->cur_state;
	} else if (request == AU1XXX_PM_ACCESS) {
		if (dev->cur_state != SLEEP_STATE)
			return retval;
		else {
			au1200_setpanel(panel);
		}
	} else if (request == AU1XXX_PM_IDLE) {
	} else if (request == AU1XXX_PM_CLEANUP) {
	}

	return retval;
}
#endif

static int __init au1200fb_init(void)
{
	print_info("" DRIVER_DESC "");

	/* Setup driver with options */
	au1200fb_setup();

	/* Point to the panel selected */
	panel = &known_lcd_panels[panel_index];
	win = &windows[window_index];

	printk(DRIVER_NAME ": Panel %d %s\n", panel_index, panel->name);
	printk(DRIVER_NAME ": Win %d %s\n", window_index, win->name);

	/* Kickstart the panel, the framebuffers/windows come soon enough */
	au1200_setpanel(panel);

	#ifdef CONFIG_PM
	LCD_pm_dev = new_au1xxx_power_device("LCD", &au1200fb_pm_callback, NULL);
	if ( LCD_pm_dev == NULL)
		printk(KERN_INFO "Unable to create a power management device entry for the au1200fb.\n");
	else
		printk(KERN_INFO "Power management device entry for the au1200fb loaded.\n");
	#endif

	return driver_register(&au1200fb_driver);
}

static void __exit au1200fb_cleanup(void)
{
	driver_unregister(&au1200fb_driver);
}

module_init(au1200fb_init);
module_exit(au1200fb_cleanup);

MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");