aboutsummaryrefslogtreecommitdiff
path: root/drivers/video/au1100fb.c
blob: b6fe30c3ad6253691417d61552643805ac31d57b (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
/*
 * BRIEF MODULE DESCRIPTION
 *	Au1100 LCD Driver.
 *
 * Copyright 2002 MontaVista Software
 * Author: MontaVista Software, Inc.
 *		ppopov@mvista.com or source@mvista.com
 *
 * Copyright 2002 Alchemy Semiconductor
 * Author: Alchemy Semiconductor
 *
 * 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/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/tty.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/pci.h>

#include <asm/au1000.h>
#include <asm/pb1100.h>
#include "au1100fb.h"

#include <video/fbcon.h>
#include <video/fbcon-mfb.h>
#include <video/fbcon-cfb2.h>
#include <video/fbcon-cfb4.h>
#include <video/fbcon-cfb8.h>
#include <video/fbcon-cfb16.h>

/*
 * Sanity check. If this is a new Au1100 based board, search for
 * the PB1100 ifdefs to make sure you modify the code accordingly.
 */
#if defined(CONFIG_MIPS_PB1100) || defined(CONFIG_MIPS_DB1100) || defined(CONFIG_MIPS_HYDROGEN3)
#else
error Unknown Au1100 board
#endif

#define CMAPSIZE 16

static int my_lcd_index; /* default is zero */
struct known_lcd_panels *p_lcd;
AU1100_LCD *p_lcd_reg = (AU1100_LCD *)AU1100_LCD_ADDR;

struct au1100fb_info {
	struct fb_info_gen gen;
	unsigned long fb_virt_start;
	unsigned long fb_size;
	unsigned long fb_phys;
	int mmaped;
	int nohwcursor;

	struct { unsigned red, green, blue, pad; } palette[256];

#if defined(FBCON_HAS_CFB16)
	u16 fbcon_cmap16[16];
#endif
};


struct au1100fb_par {
        struct fb_var_screeninfo var;

	int line_length;  // in bytes
	int cmap_len;     // color-map length
};


static struct au1100fb_info fb_info;
static struct au1100fb_par current_par;
static struct display disp;

int au1100fb_init(void);
void au1100fb_setup(char *options, int *ints);
static int au1100fb_mmap(struct fb_info *fb, struct file *file,
		struct vm_area_struct *vma);
static int au1100_blank(int blank_mode, struct fb_info_gen *info);
static int au1100fb_ioctl(struct inode *inode, struct file *file, u_int cmd,
			  u_long arg, int con, struct fb_info *info);

void au1100_nocursor(struct display *p, int mode, int xx, int yy){};

static struct fb_ops au1100fb_ops = {
	.owner		= THIS_MODULE,
	.fb_get_fix	= fbgen_get_fix,
	.fb_get_var	= fbgen_get_var,
	.fb_set_var	= fbgen_set_var,
	.fb_get_cmap	= fbgen_get_cmap,
	.fb_set_cmap	= fbgen_set_cmap,
	.fb_pan_display	= fbgen_pan_display,
        .fb_ioctl	= au1100fb_ioctl,
	.fb_mmap	= au1100fb_mmap,
};

static void au1100_detect(void)
{
	/*
	 *  This function should detect the current video mode settings
	 *  and store it as the default video mode
	 */

	/*
	 * Yeh, well, we're not going to change any settings so we're
	 * always stuck with the default ...
	 */

}

static int au1100_encode_fix(struct fb_fix_screeninfo *fix,
		const void *_par, struct fb_info_gen *_info)
{
        struct au1100fb_info *info = (struct au1100fb_info *) _info;
        struct au1100fb_par *par = (struct au1100fb_par *) _par;
	struct fb_var_screeninfo *var = &par->var;

	memset(fix, 0, sizeof(struct fb_fix_screeninfo));

	fix->smem_start = info->fb_phys;
	fix->smem_len = info->fb_size;
	fix->type = FB_TYPE_PACKED_PIXELS;
	fix->type_aux = 0;
        fix->visual = (var->bits_per_pixel == 8) ?
	       	FB_VISUAL_PSEUDOCOLOR	: FB_VISUAL_TRUECOLOR;
	fix->ywrapstep = 0;
	fix->xpanstep = 1;
	fix->ypanstep = 1;
	fix->line_length = current_par.line_length;
	return 0;
}

static void set_color_bitfields(struct fb_var_screeninfo *var)
{
	switch (var->bits_per_pixel) {
	case 8:
		var->red.offset = 0;
		var->red.length = 8;
		var->green.offset = 0;
		var->green.length = 8;
		var->blue.offset = 0;
		var->blue.length = 8;
		var->transp.offset = 0;
		var->transp.length = 0;
		break;
	case 16:	/* RGB 565 */
		var->red.offset = 11;
		var->red.length = 5;
		var->green.offset = 5;
		var->green.length = 6;
		var->blue.offset = 0;
		var->blue.length = 5;
		var->transp.offset = 0;
		var->transp.length = 0;
		break;
	}

	var->red.msb_right = 0;
	var->green.msb_right = 0;
	var->blue.msb_right = 0;
	var->transp.msb_right = 0;
}

static int au1100_decode_var(const struct fb_var_screeninfo *var,
		void *_par, struct fb_info_gen *_info)
{

	struct au1100fb_par *par = (struct au1100fb_par *)_par;

	/*
	 * Don't allow setting any of these yet: xres and yres don't
	 * make sense for LCD panels.
	 */
	if (var->xres != p_lcd->xres ||
	    var->yres != p_lcd->yres ||
	    var->xres != p_lcd->xres ||
	    var->yres != p_lcd->yres) {
		return -EINVAL;
	}
	if(var->bits_per_pixel != p_lcd->bpp) {
		return -EINVAL;
	}

	memset(par, 0, sizeof(struct au1100fb_par));
	par->var = *var;

	/* FIXME */
	switch (var->bits_per_pixel) {
		case 8:
			par->var.bits_per_pixel = 8;
			break;
		case 16:
			par->var.bits_per_pixel = 16;
			break;
		default:
			printk("color depth %d bpp not supported\n",
					var->bits_per_pixel);
			return -EINVAL;

	}
	set_color_bitfields(&par->var);
	par->cmap_len = (par->var.bits_per_pixel == 8) ? 256 : 16;
	return 0;
}

static int au1100_encode_var(struct fb_var_screeninfo *var,
		const void *par, struct fb_info_gen *_info)
{

	*var = ((struct au1100fb_par *)par)->var;
	return 0;
}

static void
au1100_get_par(void *_par, struct fb_info_gen *_info)
{
	*(struct au1100fb_par *)_par = current_par;
}

static void au1100_set_par(const void *par, struct fb_info_gen *info)
{
	/* nothing to do: we don't change any settings */
}

static int au1100_getcolreg(unsigned regno, unsigned *red, unsigned *green,
			 unsigned *blue, unsigned *transp,
			 struct fb_info *info)
{

	struct au1100fb_info* i = (struct au1100fb_info*)info;

	if (regno > 255)
		return 1;

	*red    = i->palette[regno].red;
	*green  = i->palette[regno].green;
	*blue   = i->palette[regno].blue;
	*transp = 0;

	return 0;
}

static int au1100_setcolreg(unsigned regno, unsigned red, unsigned green,
			 unsigned blue, unsigned transp,
			 struct fb_info *info)
{
	struct au1100fb_info* i = (struct au1100fb_info *)info;
	u32 rgbcol;

	if (regno > 255)
		return 1;

	i->palette[regno].red    = red;
	i->palette[regno].green  = green;
	i->palette[regno].blue   = blue;

	switch(p_lcd->bpp) {
#ifdef FBCON_HAS_CFB8
	case 8:
		red >>= 10;
		green >>= 10;
		blue >>= 10;
		p_lcd_reg->lcd_pallettebase[regno] = (blue&0x1f) |
			((green&0x3f)<<5) | ((red&0x1f)<<11);
		break;
#endif
#ifdef FBCON_HAS_CFB16
	case 16:
		i->fbcon_cmap16[regno] =
			((red & 0xf800) >> 0) |
			((green & 0xfc00) >> 5) |
			((blue & 0xf800) >> 11);
		break;
#endif
	default:
		break;
	}

	return 0;
}


static int  au1100_blank(int blank_mode, struct fb_info_gen *_info)
{

	switch (blank_mode) {
	case VESA_NO_BLANKING:
		/* turn on panel */
		//printk("turn on panel\n");
#ifdef CONFIG_MIPS_PB1100
		p_lcd_reg->lcd_control |= LCD_CONTROL_GO;
		au_writew(au_readw(PB1100_G_CONTROL) | p_lcd->mode_backlight,
			PB1100_G_CONTROL);
#endif
#ifdef CONFIG_MIPS_HYDROGEN3
		/*  Turn controller & power supply on,  GPIO213 */
		au_writel(0x20002000, 0xB1700008);
		au_writel(0x00040000, 0xB1900108);
		au_writel(0x01000100, 0xB1700008);
#endif
		au_sync();
		break;

	case VESA_VSYNC_SUSPEND:
	case VESA_HSYNC_SUSPEND:
	case VESA_POWERDOWN:
		/* turn off panel */
		//printk("turn off panel\n");
#ifdef CONFIG_MIPS_PB1100
		au_writew(au_readw(PB1100_G_CONTROL) & ~p_lcd->mode_backlight,
			PB1100_G_CONTROL);
		p_lcd_reg->lcd_control &= ~LCD_CONTROL_GO;
#endif
		au_sync();
		break;
	default:
		break;

	}
	return 0;
}

static void au1100_set_disp(const void *unused, struct display *disp,
			 struct fb_info_gen *info)
{
	disp->screen_base = (char *)fb_info.fb_virt_start;

	switch (disp->var.bits_per_pixel) {
#ifdef FBCON_HAS_CFB8
	case 8:
		disp->dispsw = &fbcon_cfb8;
		if (fb_info.nohwcursor)
			fbcon_cfb8.cursor = au1100_nocursor;
		break;
#endif
#ifdef FBCON_HAS_CFB16
	case 16:
		disp->dispsw = &fbcon_cfb16;
		disp->dispsw_data = fb_info.fbcon_cmap16;
		if (fb_info.nohwcursor)
			fbcon_cfb16.cursor = au1100_nocursor;
		break;
#endif
	default:
		disp->dispsw = &fbcon_dummy;
		disp->dispsw_data = NULL;
		break;
	}
}

static int
au1100fb_mmap(struct fb_info *_fb,
	     struct file *file,
	     struct vm_area_struct *vma)
{
	unsigned int len;
	unsigned long start=0, off;
	struct au1100fb_info *fb = (struct au1100fb_info *)_fb;

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

	start = fb_info.fb_phys & PAGE_MASK;
	len = PAGE_ALIGN((start & ~PAGE_MASK) + fb_info.fb_size);

	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;

	pgprot_val(vma->vm_page_prot) &= ~_CACHE_MASK;
	//pgprot_val(vma->vm_page_prot) |= _CACHE_CACHABLE_NONCOHERENT;
	pgprot_val(vma->vm_page_prot) |= (6 << 9); //CCA=6

	/* This is an IO map - tell maydump to skip this VMA */
	vma->vm_flags |= VM_IO;

	if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
				vma->vm_end - vma->vm_start,
				vma->vm_page_prot)) {
		return -EAGAIN;
	}

	fb->mmaped = 1;
	return 0;
}

int au1100_pan_display(const struct fb_var_screeninfo *var,
		       struct fb_info_gen *info)
{
	return 0;
}

static int au1100fb_ioctl(struct inode *inode, struct file *file, u_int cmd,
			  u_long arg, int con, struct fb_info *info)
{
	/* nothing to do yet */
	return -EINVAL;
}

static struct fbgen_hwswitch au1100_switch = {
	au1100_detect,
	au1100_encode_fix,
	au1100_decode_var,
	au1100_encode_var,
	au1100_get_par,
	au1100_set_par,
	au1100_getcolreg,
	au1100_setcolreg,
	au1100_pan_display,
	au1100_blank,
	au1100_set_disp
};


int au1100_setmode(void)
{
	int words;

	/* FIXME Need to accomodate for swivel mode and 12bpp, <8bpp*/
	switch (p_lcd->mode_control & LCD_CONTROL_SM)
	{
		case LCD_CONTROL_SM_0:
		case LCD_CONTROL_SM_180:
		words = (p_lcd->xres * p_lcd->yres * p_lcd->bpp) / 32;
			break;
		case LCD_CONTROL_SM_90:
		case LCD_CONTROL_SM_270:
			/* is this correct? */
		words = (p_lcd->xres * p_lcd->bpp) / 8;
			break;
		default:
			printk("mode_control reg not initialized\n");
			return -EINVAL;
	}

	/*
	 * Setup LCD controller
	 */

	p_lcd_reg->lcd_control = p_lcd->mode_control;
	p_lcd_reg->lcd_intstatus = 0;
	p_lcd_reg->lcd_intenable = 0;
	p_lcd_reg->lcd_horztiming = p_lcd->mode_horztiming;
	p_lcd_reg->lcd_verttiming = p_lcd->mode_verttiming;
	p_lcd_reg->lcd_clkcontrol = p_lcd->mode_clkcontrol;
	p_lcd_reg->lcd_words = words - 1;
	p_lcd_reg->lcd_dmaaddr0 = fb_info.fb_phys;

	/* turn on panel */
#ifdef CONFIG_MIPS_PB1100
	au_writew(au_readw(PB1100_G_CONTROL) | p_lcd->mode_backlight,
			PB1100_G_CONTROL);
#endif
#ifdef CONFIG_MIPS_HYDROGEN3
	/*  Turn controller & power supply on,  GPIO213 */
	au_writel(0x20002000, 0xB1700008);
	au_writel(0x00040000, 0xB1900108);
	au_writel(0x01000100, 0xB1700008);
#endif

	p_lcd_reg->lcd_control |= LCD_CONTROL_GO;

	return 0;
}


int __init au1100fb_init(void)
{
	uint32 sys_clksrc;
	unsigned long page;

	/*
	* Get the panel information/display mode and update the registry
	*/
	p_lcd = &panels[my_lcd_index];

	switch (p_lcd->mode_control & LCD_CONTROL_SM)
	{
		case LCD_CONTROL_SM_0:
		case LCD_CONTROL_SM_180:
		p_lcd->xres =
			(p_lcd->mode_horztiming & LCD_HORZTIMING_PPL) + 1;
		p_lcd->yres =
			(p_lcd->mode_verttiming & LCD_VERTTIMING_LPP) + 1;
			break;
		case LCD_CONTROL_SM_90:
		case LCD_CONTROL_SM_270:
		p_lcd->yres =
			(p_lcd->mode_horztiming & LCD_HORZTIMING_PPL) + 1;
		p_lcd->xres =
			(p_lcd->mode_verttiming & LCD_VERTTIMING_LPP) + 1;
			break;
	}

	/*
	 * Panel dimensions x bpp must be divisible by 32
	 */
	if (((p_lcd->yres * p_lcd->bpp) % 32) != 0)
		printk("VERT %% 32\n");
	if (((p_lcd->xres * p_lcd->bpp) % 32) != 0)
		printk("HORZ %% 32\n");

	/*
	 * Allocate LCD framebuffer from system memory
	 */
	fb_info.fb_size = (p_lcd->xres * p_lcd->yres * p_lcd->bpp) / 8;

	current_par.var.xres = p_lcd->xres;
	current_par.var.xres_virtual = p_lcd->xres;
	current_par.var.yres = p_lcd->yres;
	current_par.var.yres_virtual = p_lcd->yres;
	current_par.var.bits_per_pixel = p_lcd->bpp;

	/* FIX!!! only works for 8/16 bpp */
	current_par.line_length = p_lcd->xres * p_lcd->bpp / 8; /* in bytes */
	fb_info.fb_virt_start = (unsigned long )
		__get_free_pages(GFP_ATOMIC | GFP_DMA,
				get_order(fb_info.fb_size + 0x1000));
	if (!fb_info.fb_virt_start) {
		printk("Unable to allocate fb memory\n");
		return -ENOMEM;
	}
	fb_info.fb_phys = virt_to_bus((void *)fb_info.fb_virt_start);

	/*
	 * Set page reserved so that mmap will work. This is necessary
	 * since we'll be remapping normal memory.
	 */
	for (page = fb_info.fb_virt_start;
	     page < PAGE_ALIGN(fb_info.fb_virt_start + fb_info.fb_size);
	     page += PAGE_SIZE) {
		SetPageReserved(virt_to_page(page));
	}

	memset((void *)fb_info.fb_virt_start, 0, fb_info.fb_size);

	/* set freqctrl now to allow more time to stabilize */
	/* zero-out out LCD bits */
	sys_clksrc = au_readl(SYS_CLKSRC) & ~0x000003e0;
	sys_clksrc |= p_lcd->mode_toyclksrc;
	au_writel(sys_clksrc, SYS_CLKSRC);

	/* FIXME add check to make sure auxpll is what is expected! */
	au1100_setmode();

	fb_info.gen.parsize = sizeof(struct au1100fb_par);
	fb_info.gen.fbhw = &au1100_switch;

	strcpy(fb_info.gen.info.modename, "Au1100 LCD");
	fb_info.gen.info.changevar = NULL;
	fb_info.gen.info.node = -1;

	fb_info.gen.info.fbops = &au1100fb_ops;
	fb_info.gen.info.disp = &disp;
	fb_info.gen.info.switch_con = &fbgen_switch;
	fb_info.gen.info.updatevar = &fbgen_update_var;
	fb_info.gen.info.blank = &fbgen_blank;
	fb_info.gen.info.flags = FBINFO_FLAG_DEFAULT;

	/* This should give a reasonable default video mode */
	fbgen_get_var(&disp.var, -1, &fb_info.gen.info);
	fbgen_do_set_var(&disp.var, 1, &fb_info.gen);
	fbgen_set_disp(-1, &fb_info.gen);
	fbgen_install_cmap(0, &fb_info.gen);
	if (register_framebuffer(&fb_info.gen.info) < 0)
		return -EINVAL;
	printk(KERN_INFO "fb%d: %s frame buffer device\n",
			GET_FB_IDX(fb_info.gen.info.node),
			fb_info.gen.info.modename);

	return 0;
}


void au1100fb_cleanup(struct fb_info *info)
{
	unregister_framebuffer(info);
}


void au1100fb_setup(char *options, int *ints)
{
	char* this_opt;
	int i;
	int num_panels = sizeof(panels)/sizeof(struct known_lcd_panels);


	if (!options || !*options)
		return;

	for(this_opt=strtok(options, ","); this_opt;
	    this_opt=strtok(NULL, ",")) {
		if (!strncmp(this_opt, "panel:", 6)) {
#if defined(CONFIG_MIPS_PB1100) || defined(CONFIG_MIPS_DB1100)
			/* Read Pb1100 Switch S10 ? */
			if (!strncmp(this_opt+6, "s10", 3))
			{
				int panel;
				panel = *(volatile int *)0xAE000008; /* BCSR SWITCHES */
				panel >>= 8;
				panel &= 0x0F;
				if (panel >= num_panels) panel = 0;
				my_lcd_index = panel;
			}
			else
#endif
			/* Get the panel name, everything else if fixed */
			for (i=0; i<num_panels; i++) {
				if (!strncmp(this_opt+6, panels[i].panel_name,
							strlen(this_opt))) {
					my_lcd_index = i;
					break;
				}
			}
		}
		else if (!strncmp(this_opt, "nohwcursor", 10)) {
			printk("nohwcursor\n");
			fb_info.nohwcursor = 1;
		}
	}

	printk("au1100fb: Panel %d %s\n", my_lcd_index,
		panels[my_lcd_index].panel_name);
}



#ifdef MODULE
MODULE_LICENSE("GPL");
int init_module(void)
{
	return au1100fb_init();
}

void cleanup_module(void)
{
	au1100fb_cleanup(void);
}

MODULE_AUTHOR("Pete Popov <ppopov@mvista.com>");
MODULE_DESCRIPTION("Au1100 LCD framebuffer device driver");
#endif /* MODULE */