4  *  Copyright (C) 1999 Silicon Graphics, Inc. - Jeffrey Newquist
5  *  Copyright (C) 2002 Vivien Chappelier <vivien.chappelier@linux-mips.org>
14 #include <linux/dma-mapping.h>
15 #include <linux/dma-direct.h>
45 /* macro for fastest write-though access to the framebuffer */
64 #define TILE_MASK (TILE_SIZE - 1)
82 static int gbe_turned_on; /* 0 turned off, 1 turned on */
88 	/* 640x480, 60 Hz, Non-Interlaced (25.175 MHz dotclock) */
103 	.height		= -1,
104 	.width		= -1,
134 	.height		= -1,
135 	.width		= -1,
149 /* 640x480, 60 Hz, Non-Interlaced (25.172 MHz dotclock) */
186 	/* Turn on dotclock PLL */  in gbe_reset()
187 	gbe->ctrlstat = 0x300aa000;  in gbe_reset()
194  * Description:	This should turn off the monitor and gbe.  This is used
206 	/* check if pixel counter is on */  in gbe_turn_off()
207 	val = gbe->vt_xy;  in gbe_turn_off()
211 	/* turn off DMA */  in gbe_turn_off()
212 	val = gbe->ovr_control;  in gbe_turn_off()
214 	gbe->ovr_control = val;  in gbe_turn_off()
216 	val = gbe->frm_control;  in gbe_turn_off()
218 	gbe->frm_control = val;  in gbe_turn_off()
220 	val = gbe->did_control;  in gbe_turn_off()
222 	gbe->did_control = val;  in gbe_turn_off()
228 		val = gbe->frm_inhwctrl;  in gbe_turn_off()
232 			val = gbe->ovr_inhwctrl;  in gbe_turn_off()
236 				val = gbe->did_inhwctrl;  in gbe_turn_off()
245 		printk(KERN_ERR "gbefb: turn off DMA timed out\n");  in gbe_turn_off()
248 	val = gbe->vt_vpixen;  in gbe_turn_off()
252 		val = gbe->vt_xy;  in gbe_turn_off()
262 		val = gbe->vt_xy;  in gbe_turn_off()
271 	/* turn off pixel counter */  in gbe_turn_off()
274 	gbe->vt_xy = val;  in gbe_turn_off()
277 		val = gbe->vt_xy;  in gbe_turn_off()
284 		printk(KERN_ERR "gbefb: turn off pixel clock timed out\n");  in gbe_turn_off()
286 	/* turn off dot clock */  in gbe_turn_off()
287 	val = gbe->dotclock;  in gbe_turn_off()
289 	gbe->dotclock = val;  in gbe_turn_off()
292 		val = gbe->dotclock;  in gbe_turn_off()
299 		printk(KERN_ERR "gbefb: turn off dotclock timed out\n");  in gbe_turn_off()
302 	val = gbe->frm_size_tile;  in gbe_turn_off()
304 	gbe->frm_size_tile = val;  in gbe_turn_off()
306 	gbe->frm_size_tile = val;  in gbe_turn_off()
318 		val = gbe->vt_xy;  in gbe_turn_on()
323 	/* turn on dot clock */  in gbe_turn_on()
324 	val = gbe->dotclock;  in gbe_turn_on()
326 	gbe->dotclock = val;  in gbe_turn_on()
329 		val = gbe->dotclock;  in gbe_turn_on()
336 		printk(KERN_ERR "gbefb: turn on dotclock timed out\n");  in gbe_turn_on()
338 	/* turn on pixel counter */  in gbe_turn_on()
341 	gbe->vt_xy = val;  in gbe_turn_on()
344 		val = gbe->vt_xy;  in gbe_turn_on()
351 		printk(KERN_ERR "gbefb: turn on pixel clock timed out\n");  in gbe_turn_on()
353 	/* turn on DMA */  in gbe_turn_on()
354 	val = gbe->frm_control;  in gbe_turn_on()
356 	gbe->frm_control = val;  in gbe_turn_on()
359 		val = gbe->frm_inhwctrl;  in gbe_turn_on()
366 		printk(KERN_ERR "gbefb: turn on DMA timed out\n");  in gbe_turn_on()
376 		for (j = 0; j < 1000 && gbe->cm_fifo >= 63; j++)  in gbe_loadcmap()
381 		gbe->cmap[i] = gbe_cmap[i];  in gbe_loadcmap()
417 		(timing->flags & FB_SYNC_HOR_HIGH_ACT) ? 0 : 1);  in gbefb_setup_flatpanel()
419 		(timing->flags & FB_SYNC_VERT_HIGH_ACT) ? 0 : 1);  in gbefb_setup_flatpanel()
420 	gbe->vt_flags = outputVal;  in gbefb_setup_flatpanel()
422 	/* Turn on the flat panel */  in gbefb_setup_flatpanel()
427 	timing->pll_m = 4;  in gbefb_setup_flatpanel()
428 	timing->pll_n = 1;  in gbefb_setup_flatpanel()
429 	timing->pll_p = 0;  in gbefb_setup_flatpanel()
432 	SET_GBE_FIELD(FP_DE, ON, outputVal, fp_vbs);  in gbefb_setup_flatpanel()
434 	gbe->fp_de = outputVal;  in gbefb_setup_flatpanel()
437 	gbe->fp_hdrv = outputVal;  in gbefb_setup_flatpanel()
439 	SET_GBE_FIELD(FP_VDRV, ON, outputVal, 1);  in gbefb_setup_flatpanel()
441 	gbe->fp_vdrv = outputVal;  in gbefb_setup_flatpanel()
477 				pixclock = (1000000 / gbe_pll->clock_rate) *  in compute_gbe_timing()
480 				error = var->pixclock - pixclock;  in compute_gbe_timing()
483 					error = -error;  in compute_gbe_timing()
487 				    gbe_pll->fvco_min / gbe_pll->clock_rate &&  in compute_gbe_timing()
489 				    gbe_pll->fvco_max / gbe_pll->clock_rate) {  in compute_gbe_timing()
498 		return -EINVAL;	/* Resolution to high */  in compute_gbe_timing()
500 	pixclock = (1000000 / gbe_pll->clock_rate) *  in compute_gbe_timing()
505 		timing->width = var->xres;  in compute_gbe_timing()
506 		timing->height = var->yres;  in compute_gbe_timing()
507 		timing->pll_m = best_m;  in compute_gbe_timing()
508 		timing->pll_n = best_n;  in compute_gbe_timing()
509 		timing->pll_p = best_p;  in compute_gbe_timing()
510 		timing->cfreq = gbe_pll->clock_rate * 1000 * timing->pll_m /  in compute_gbe_timing()
511 			(timing->pll_n << timing->pll_p);  in compute_gbe_timing()
512 		timing->htotal = var->left_margin + var->xres +  in compute_gbe_timing()
513 				var->right_margin + var->hsync_len;  in compute_gbe_timing()
514 		timing->vtotal = var->upper_margin + var->yres +  in compute_gbe_timing()
515 				var->lower_margin + var->vsync_len;  in compute_gbe_timing()
516 		timing->fields_sec = 1000 * timing->cfreq / timing->htotal *  in compute_gbe_timing()
517 				1000 / timing->vtotal;  in compute_gbe_timing()
518 		timing->hblank_start = var->xres;  in compute_gbe_timing()
519 		timing->vblank_start = var->yres;  in compute_gbe_timing()
520 		timing->hblank_end = timing->htotal;  in compute_gbe_timing()
521 		timing->hsync_start = var->xres + var->right_margin + 1;  in compute_gbe_timing()
522 		timing->hsync_end = timing->hsync_start + var->hsync_len;  in compute_gbe_timing()
523 		timing->vblank_end = timing->vtotal;  in compute_gbe_timing()
524 		timing->vsync_start = var->yres + var->lower_margin + 1;  in compute_gbe_timing()
525 		timing->vsync_end = timing->vsync_start + var->vsync_len;  in compute_gbe_timing()
538 	SET_GBE_FIELD(DOTCLK, M, val, timing->pll_m - 1);  in gbe_set_timing_info()
539 	SET_GBE_FIELD(DOTCLK, N, val, timing->pll_n - 1);  in gbe_set_timing_info()
540 	SET_GBE_FIELD(DOTCLK, P, val, timing->pll_p);  in gbe_set_timing_info()
542 	gbe->dotclock = val;  in gbe_set_timing_info()
547 	SET_GBE_FIELD(VT_XYMAX, MAXX, val, timing->htotal);  in gbe_set_timing_info()
548 	SET_GBE_FIELD(VT_XYMAX, MAXY, val, timing->vtotal);  in gbe_set_timing_info()
549 	gbe->vt_xymax = val;  in gbe_set_timing_info()
553 	SET_GBE_FIELD(VT_VSYNC, VSYNC_ON, val, timing->vsync_start);  in gbe_set_timing_info()
554 	SET_GBE_FIELD(VT_VSYNC, VSYNC_OFF, val, timing->vsync_end);  in gbe_set_timing_info()
555 	gbe->vt_vsync = val;  in gbe_set_timing_info()
557 	SET_GBE_FIELD(VT_HSYNC, HSYNC_ON, val, timing->hsync_start);  in gbe_set_timing_info()
558 	SET_GBE_FIELD(VT_HSYNC, HSYNC_OFF, val, timing->hsync_end);  in gbe_set_timing_info()
559 	gbe->vt_hsync = val;  in gbe_set_timing_info()
561 	SET_GBE_FIELD(VT_VBLANK, VBLANK_ON, val, timing->vblank_start);  in gbe_set_timing_info()
562 	SET_GBE_FIELD(VT_VBLANK, VBLANK_OFF, val, timing->vblank_end);  in gbe_set_timing_info()
563 	gbe->vt_vblank = val;  in gbe_set_timing_info()
566 		      timing->hblank_start - 5);  in gbe_set_timing_info()
568 		      timing->hblank_end - 3);  in gbe_set_timing_info()
569 	gbe->vt_hblank = val;  in gbe_set_timing_info()
573 	SET_GBE_FIELD(VT_VCMAP, VCMAP_ON, val, timing->vblank_start);  in gbe_set_timing_info()
574 	SET_GBE_FIELD(VT_VCMAP, VCMAP_OFF, val, timing->vblank_end);  in gbe_set_timing_info()
575 	gbe->vt_vcmap = val;  in gbe_set_timing_info()
577 	SET_GBE_FIELD(VT_HCMAP, HCMAP_ON, val, timing->hblank_start);  in gbe_set_timing_info()
578 	SET_GBE_FIELD(VT_HCMAP, HCMAP_OFF, val, timing->hblank_end);  in gbe_set_timing_info()
579 	gbe->vt_hcmap = val;  in gbe_set_timing_info()
582 	temp = timing->vblank_start - timing->vblank_end - 1;  in gbe_set_timing_info()
584 		temp = -temp;  in gbe_set_timing_info()
590 	if (timing->hblank_end >= 20)  in gbe_set_timing_info()
592 			      timing->hblank_end - 20);  in gbe_set_timing_info()
595 			      timing->htotal - (20 - timing->hblank_end));  in gbe_set_timing_info()
596 	gbe->did_start_xy = val;  in gbe_set_timing_info()
600 	if (timing->hblank_end >= GBE_CRS_MAGIC)  in gbe_set_timing_info()
602 			      timing->hblank_end - GBE_CRS_MAGIC);  in gbe_set_timing_info()
605 			      timing->htotal - (GBE_CRS_MAGIC -  in gbe_set_timing_info()
606 						timing->hblank_end));  in gbe_set_timing_info()
607 	gbe->crs_start_xy = val;  in gbe_set_timing_info()
611 	SET_GBE_FIELD(VC_START_XY, VC_STARTX, val, timing->hblank_end - 4);  in gbe_set_timing_info()
612 	gbe->vc_start_xy = val;  in gbe_set_timing_info()
615 	temp = timing->hblank_end - GBE_PIXEN_MAGIC_ON;  in gbe_set_timing_info()
617 		temp += timing->htotal;	/* allow blank to wrap around */  in gbe_set_timing_info()
621 		      ((temp + timing->width -  in gbe_set_timing_info()
622 			GBE_PIXEN_MAGIC_OFF) % timing->htotal));  in gbe_set_timing_info()
623 	gbe->vt_hpixen = val;  in gbe_set_timing_info()
626 	SET_GBE_FIELD(VT_VPIXEN, VPIXEN_ON, val, timing->vblank_end);  in gbe_set_timing_info()
627 	SET_GBE_FIELD(VT_VPIXEN, VPIXEN_OFF, val, timing->vblank_start);  in gbe_set_timing_info()
628 	gbe->vt_vpixen = val;  in gbe_set_timing_info()
630 	/* turn off sync on green */  in gbe_set_timing_info()
633 	gbe->vt_flags = val;  in gbe_set_timing_info()
648 	struct gbefb_par *par = (struct gbefb_par *) info->par;  in gbefb_set_par()
650 	compute_gbe_timing(&info->var, &par->timing);  in gbefb_set_par()
652 	bytesPerPixel = info->var.bits_per_pixel / 8;  in gbefb_set_par()
653 	info->fix.line_length = info->var.xres_virtual * bytesPerPixel;  in gbefb_set_par()
654 	xpmax = par->timing.width;  in gbefb_set_par()
655 	ypmax = par->timing.height;  in gbefb_set_par()
657 	/* turn off GBE */  in gbefb_set_par()
661 	gbe_set_timing_info(&par->timing);  in gbefb_set_par()
668 		info->fix.visual = FB_VISUAL_PSEUDOCOLOR;  in gbefb_set_par()
672 		info->fix.visual = FB_VISUAL_TRUECOLOR;  in gbefb_set_par()
676 		info->fix.visual = FB_VISUAL_TRUECOLOR;  in gbefb_set_par()
682 		gbe->mode_regs[i] = val;  in gbefb_set_par()
685 	gbe->vt_intr01 = 0xffffffff;  in gbefb_set_par()
686 	gbe->vt_intr23 = 0xffffffff;  in gbefb_set_par()
692 	   tiles on the right and/or bottom of the screen if needed.  in gbefb_set_par()
695 	   <-------- 640 ----->  in gbefb_set_par()
696 	   <---- 512 ----><128|384 offscreen>  in gbefb_set_par()
721 	   GBE -> tile list    framebuffer           TLB   <------------ CPU  in gbefb_set_par()
722 	          [ tile 0 ] -> [ 64KB ]  <- [ 16x 4KB page entries ]     ^  in gbefb_set_par()
724 	          [ tile n ] -> [ 64KB ]  <- [ 16x 4KB page entries ]     v  in gbefb_set_par()
752 	/* tile_ptr -> [ tile 1 ] -> FB mem */  in gbefb_set_par()
753 	/*             [ tile 2 ] -> FB mem */  in gbefb_set_par()
759 	gbe->frm_control = val;  in gbefb_set_par()
784 	gbe->frm_size_tile = val;  in gbefb_set_par()
791 	gbe->frm_size_pixel = val;  in gbefb_set_par()
793 	/* turn off DID and overlay DMA */  in gbefb_set_par()
794 	gbe->did_control = 0;  in gbefb_set_par()
795 	gbe->ovr_width_tile = 0;  in gbefb_set_par()
797 	/* Turn off mouse cursor */  in gbefb_set_par()
798 	gbe->crs_ctl = 0;  in gbefb_set_par()
800 	/* Turn on GBE */  in gbefb_set_par()
806 		gbe->gmap[i] = (i << 24) | (i << 16) | (i << 8);  in gbefb_set_par()
821 	strcpy(fix->id, "SGI GBE");  in gbefb_encode_fix()
822 	fix->smem_start = (unsigned long) gbe_mem;  in gbefb_encode_fix()
823 	fix->smem_len = gbe_mem_size;  in gbefb_encode_fix()
824 	fix->type = FB_TYPE_PACKED_PIXELS;  in gbefb_encode_fix()
825 	fix->type_aux = 0;  in gbefb_encode_fix()
826 	fix->accel = FB_ACCEL_NONE;  in gbefb_encode_fix()
827 	switch (var->bits_per_pixel) {  in gbefb_encode_fix()
829 		fix->visual = FB_VISUAL_PSEUDOCOLOR;  in gbefb_encode_fix()
832 		fix->visual = FB_VISUAL_TRUECOLOR;  in gbefb_encode_fix()
835 	fix->ywrapstep = 0;  in gbefb_encode_fix()
836 	fix->xpanstep = 0;  in gbefb_encode_fix()
837 	fix->ypanstep = 0;  in gbefb_encode_fix()
838 	fix->line_length = var->xres_virtual * var->bits_per_pixel / 8;  in gbefb_encode_fix()
839 	fix->mmio_start = GBE_BASE;  in gbefb_encode_fix()
840 	fix->mmio_len = sizeof(struct sgi_gbe);  in gbefb_encode_fix()
861 	if (info->var.bits_per_pixel <= 8) {  in gbefb_setcolreg()
865 			for (i = 0; i < 1000 && gbe->cm_fifo >= 63; i++)  in gbefb_setcolreg()
871 			gbe->cmap[regno] = gbe_cmap[regno];  in gbefb_setcolreg()
874 		switch (info->var.bits_per_pixel) {  in gbefb_setcolreg()
881 				(red << info->var.red.offset) |  in gbefb_setcolreg()
882 				(green << info->var.green.offset) |  in gbefb_setcolreg()
883 				(blue << info->var.blue.offset);  in gbefb_setcolreg()
887 				(red << info->var.red.offset) |  in gbefb_setcolreg()
888 				(green << info->var.green.offset) |  in gbefb_setcolreg()
889 				(blue << info->var.blue.offset);  in gbefb_setcolreg()
907 	if (var->bits_per_pixel <= 8)  in gbefb_check_var()
908 		var->bits_per_pixel = 8;  in gbefb_check_var()
909 	else if (var->bits_per_pixel <= 16)  in gbefb_check_var()
910 		var->bits_per_pixel = 16;  in gbefb_check_var()
911 	else if (var->bits_per_pixel <= 32)  in gbefb_check_var()
912 		var->bits_per_pixel = 32;  in gbefb_check_var()
914 		return -EINVAL;  in gbefb_check_var()
918 	if ((var->xres * var->yres * var->bits_per_pixel) & 4095)  in gbefb_check_var()
919 		return -EINVAL;  in gbefb_check_var()
921 	var->grayscale = 0;	/* No grayscale for now */  in gbefb_check_var()
924 	var->pixclock = ret;  in gbefb_check_var()
926 		return -EINVAL;  in gbefb_check_var()
929 	if (var->xres > var->xres_virtual || (!ywrap && !ypan))  in gbefb_check_var()
930 		var->xres_virtual = var->xres;  in gbefb_check_var()
931 	if (var->yres > var->yres_virtual || (!ywrap && !ypan))  in gbefb_check_var()
932 		var->yres_virtual = var->yres;  in gbefb_check_var()
934 	if (var->vmode & FB_VMODE_CONUPDATE) {  in gbefb_check_var()
935 		var->vmode |= FB_VMODE_YWRAP;  in gbefb_check_var()
936 		var->xoffset = info->var.xoffset;  in gbefb_check_var()
937 		var->yoffset = info->var.yoffset;  in gbefb_check_var()
941 	var->grayscale = 0;  in gbefb_check_var()
944 	line_length = var->xres_virtual * var->bits_per_pixel / 8;  in gbefb_check_var()
945 	if (line_length * var->yres_virtual > gbe_mem_size)  in gbefb_check_var()
946 		return -ENOMEM;	/* Virtual resolution too high */  in gbefb_check_var()
948 	switch (var->bits_per_pixel) {  in gbefb_check_var()
950 		var->red.offset = 0;  in gbefb_check_var()
951 		var->red.length = 8;  in gbefb_check_var()
952 		var->green.offset = 0;  in gbefb_check_var()
953 		var->green.length = 8;  in gbefb_check_var()
954 		var->blue.offset = 0;  in gbefb_check_var()
955 		var->blue.length = 8;  in gbefb_check_var()
956 		var->transp.offset = 0;  in gbefb_check_var()
957 		var->transp.length = 0;  in gbefb_check_var()
960 		var->red.offset = 10;  in gbefb_check_var()
961 		var->red.length = 5;  in gbefb_check_var()
962 		var->green.offset = 5;  in gbefb_check_var()
963 		var->green.length = 5;  in gbefb_check_var()
964 		var->blue.offset = 0;  in gbefb_check_var()
965 		var->blue.length = 5;  in gbefb_check_var()
966 		var->transp.offset = 0;  in gbefb_check_var()
967 		var->transp.length = 0;  in gbefb_check_var()
970 		var->red.offset = 24;  in gbefb_check_var()
971 		var->red.length = 8;  in gbefb_check_var()
972 		var->green.offset = 16;  in gbefb_check_var()
973 		var->green.length = 8;  in gbefb_check_var()
974 		var->blue.offset = 8;  in gbefb_check_var()
975 		var->blue.length = 8;  in gbefb_check_var()
976 		var->transp.offset = 0;  in gbefb_check_var()
977 		var->transp.length = 8;  in gbefb_check_var()
980 	var->red.msb_right = 0;  in gbefb_check_var()
981 	var->green.msb_right = 0;  in gbefb_check_var()
982 	var->blue.msb_right = 0;  in gbefb_check_var()
983 	var->transp.msb_right = 0;  in gbefb_check_var()
985 	var->left_margin = timing.htotal - timing.hsync_end;  in gbefb_check_var()
986 	var->right_margin = timing.hsync_start - timing.width;  in gbefb_check_var()
987 	var->upper_margin = timing.vtotal - timing.vsync_end;  in gbefb_check_var()
988 	var->lower_margin = timing.vsync_start - timing.height;  in gbefb_check_var()
989 	var->hsync_len = timing.hsync_end - timing.hsync_start;  in gbefb_check_var()
990 	var->vsync_len = timing.vsync_end - timing.vsync_start;  in gbefb_check_var()
998 	unsigned long size = vma->vm_end - vma->vm_start;  in gbefb_mmap()
999 	unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;  in gbefb_mmap()
1004 	vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot);  in gbefb_mmap()
1007 	if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))  in gbefb_mmap()
1008 		return -EINVAL;  in gbefb_mmap()
1010 		return -EINVAL;  in gbefb_mmap()
1011 	if (offset > gbe_mem_size - size)  in gbefb_mmap()
1012 		return -EINVAL;  in gbefb_mmap()
1014 	/* remap using the fastest write-through mode on architecture */  in gbefb_mmap()
1017 	pgprot_val(vma->vm_page_prot) =  in gbefb_mmap()
1018 		pgprot_fb(pgprot_val(vma->vm_page_prot));  in gbefb_mmap()
1024 	addr = vma->vm_start;  in gbefb_mmap()
1033 			phys_size = TILE_SIZE - offset;  in gbefb_mmap()
1036 						phys_size, vma->vm_page_prot))  in gbefb_mmap()
1037 			return -EAGAIN;  in gbefb_mmap()
1040 		size -= phys_size;  in gbefb_mmap()
1128 	info = framebuffer_alloc(sizeof(struct gbefb_par), &p_dev->dev);  in gbefb_probe()
1130 		return -ENOMEM;  in gbefb_probe()
1134 		ret = -ENODEV;  in gbefb_probe()
1142 		ret = -EBUSY;  in gbefb_probe()
1146 	gbe = (struct sgi_gbe *) devm_ioremap(&p_dev->dev, GBE_BASE,  in gbefb_probe()
1150 		ret = -ENXIO;  in gbefb_probe()
1153 	gbe_revision = gbe->ctrlstat & 15;  in gbefb_probe()
1155 	gbe_tiles.cpu = dmam_alloc_coherent(&p_dev->dev,  in gbefb_probe()
1160 		ret = -ENOMEM;  in gbefb_probe()
1166 		gbe_mem = devm_ioremap_wc(&p_dev->dev, gbe_mem_phys,  in gbefb_probe()
1170 			ret = -ENOMEM;  in gbefb_probe()
1177 		 * this has high chance to fail on low memory machines */  in gbefb_probe()
1178 		gbe_mem = dmam_alloc_attrs(&p_dev->dev, gbe_mem_size,  in gbefb_probe()
1183 			ret = -ENOMEM;  in gbefb_probe()
1187 		gbe_mem_phys = dma_to_phys(&p_dev->dev, gbe_dma_addr);  in gbefb_probe()
1190 	par = info->par;  in gbefb_probe()
1191 	par->wc_cookie = arch_phys_wc_add(gbe_mem_phys, gbe_mem_size);  in gbefb_probe()
1197 	info->fbops = &gbefb_ops;  in gbefb_probe()
1198 	info->pseudo_palette = pseudo_palette;  in gbefb_probe()
1199 	info->screen_base = gbe_mem;  in gbefb_probe()
1200 	fb_alloc_cmap(&info->cmap, 256, 0);  in gbefb_probe()
1205 	/* turn on default video mode */  in gbefb_probe()
1206 	if (fb_find_mode(&par->var, info, mode_option, NULL, 0,  in gbefb_probe()
1208 		par->var = *default_var;  in gbefb_probe()
1209 	info->var = par->var;  in gbefb_probe()
1210 	gbefb_check_var(&par->var, info);  in gbefb_probe()
1211 	gbefb_encode_fix(&info->fix, &info->var);  in gbefb_probe()
1215 		ret = -ENXIO;  in gbefb_probe()
1222 		info->fix.id, gbe_revision, (unsigned)GBE_BASE,  in gbefb_probe()
1228 	arch_phys_wc_del(par->wc_cookie);  in gbefb_probe()
1240 	struct gbefb_par *par = info->par;  in gbefb_remove()
1244 	arch_phys_wc_del(par->wc_cookie);  in gbefb_remove()
1268 			ret = -ENOMEM;  in gbefb_init()