1 // SPDX-License-Identifier: GPL-2.0-only
5  * Copyright 2001, 2002 - Jani Monoses   <jani@iv.ro>
31 #include <linux/i2c-algo-bit.h>
80 MODULE_PARM_DESC(mode_option, "Initial video mode e.g. '648x480-8@60'");
82 MODULE_PARM_DESC(mode, "Initial video mode e.g. '648x480-8@60' (deprecated)");
167 	fb_writeb(val, p->io_virt + reg);  in t_outb()
172 	return fb_readb(p->io_virt + reg);  in t_inb()
177 	fb_writel(v, par->io_virt + r);  in writemmr()
182 	return fb_readl(par->io_virt + r);  in readmmr()
194 	u8 reg = vga_mm_rcrt(par->io_virt, I2C) & DDC_MASK_TGUI;  in tridentfb_ddc_setscl_tgui()
197 		reg &= ~DDC_SCL_DRIVE_TGUI; /* disable drive - don't drive hi */  in tridentfb_ddc_setscl_tgui()
201 	vga_mm_wcrt(par->io_virt, I2C, reg);  in tridentfb_ddc_setscl_tgui()
207 	u8 reg = vga_mm_rcrt(par->io_virt, I2C) & DDC_MASK_TGUI;  in tridentfb_ddc_setsda_tgui()
210 		reg &= ~DDC_SDA_DRIVE_TGUI; /* disable drive - don't drive hi */  in tridentfb_ddc_setsda_tgui()
214 	vga_mm_wcrt(par->io_virt, I2C, reg);  in tridentfb_ddc_setsda_tgui()
221 	return !!(vga_mm_rcrt(par->io_virt, I2C) & DDC_SDA_TGUI);  in tridentfb_ddc_getsda_tgui()
235 	reg = vga_mm_rcrt(par->io_virt, I2C) & DDC_MASK;  in tridentfb_ddc_setscl()
240 	vga_mm_wcrt(par->io_virt, I2C, reg);  in tridentfb_ddc_setscl()
248 	reg = vga_mm_rcrt(par->io_virt, I2C) & DDC_MASK;  in tridentfb_ddc_setsda()
253 	vga_mm_wcrt(par->io_virt, I2C, reg);  in tridentfb_ddc_setsda()
260 	return !!(vga_mm_rcrt(par->io_virt, I2C) & DDC_SCL_IN);  in tridentfb_ddc_getscl()
267 	return !!(vga_mm_rcrt(par->io_virt, I2C) & DDC_SDA_IN);  in tridentfb_ddc_getsda()
272 	struct tridentfb_par *par = info->par;  in tridentfb_setup_ddc_bus()
274 	strscpy(par->ddc_adapter.name, info->fix.id,  in tridentfb_setup_ddc_bus()
275 		sizeof(par->ddc_adapter.name));  in tridentfb_setup_ddc_bus()
276 	par->ddc_adapter.owner		= THIS_MODULE;  in tridentfb_setup_ddc_bus()
277 	par->ddc_adapter.algo_data	= &par->ddc_algo;  in tridentfb_setup_ddc_bus()
278 	par->ddc_adapter.dev.parent	= info->device;  in tridentfb_setup_ddc_bus()
279 	if (is_oldclock(par->chip_id)) { /* not sure if this check is OK */  in tridentfb_setup_ddc_bus()
280 		par->ddc_algo.setsda	= tridentfb_ddc_setsda_tgui;  in tridentfb_setup_ddc_bus()
281 		par->ddc_algo.setscl	= tridentfb_ddc_setscl_tgui;  in tridentfb_setup_ddc_bus()
282 		par->ddc_algo.getsda	= tridentfb_ddc_getsda_tgui;  in tridentfb_setup_ddc_bus()
285 		par->ddc_algo.setsda	= tridentfb_ddc_setsda;  in tridentfb_setup_ddc_bus()
286 		par->ddc_algo.setscl	= tridentfb_ddc_setscl;  in tridentfb_setup_ddc_bus()
287 		par->ddc_algo.getsda	= tridentfb_ddc_getsda;  in tridentfb_setup_ddc_bus()
288 		par->ddc_algo.getscl	= tridentfb_ddc_getscl;  in tridentfb_setup_ddc_bus()
290 	par->ddc_algo.udelay		= 10;  in tridentfb_setup_ddc_bus()
291 	par->ddc_algo.timeout		= 20;  in tridentfb_setup_ddc_bus()
292 	par->ddc_algo.data		= par;  in tridentfb_setup_ddc_bus()
294 	i2c_set_adapdata(&par->ddc_adapter, par);  in tridentfb_setup_ddc_bus()
296 	return i2c_bit_add_bus(&par->ddc_adapter);  in tridentfb_setup_ddc_bus()
336 	writemmr(par, DST2, point(x + w - 1, y + h - 1));  in blade_fill_rect()
349 	writemmr(par, DST2, point(x + w - 1, y + h - 1));  in blade_image_blit()
351 	iowrite32_rep(par->io_virt + 0x10000, data, size);  in blade_image_blit()
359 	u32 s2 = point(x1 + w - 1, y1 + h - 1);  in blade_copy_rect()
361 	u32 d2 = point(x2 + w - 1, y2 + h - 1);  in blade_copy_rect()
402 	par->eng_oper = x | 0x40;  in xp_init_accel()
439 	t_outb(par, par->eng_oper, 0x2125);  in xp_fill_rect()
450 		x1_tmp = x1 + w - 1;  in xp_copy_rect()
451 		x2_tmp = x2 + w - 1;  in xp_copy_rect()
459 		y1_tmp = y1 + h - 1;  in xp_copy_rect()
460 		y2_tmp = y2 + h - 1;  in xp_copy_rect()
511 	writemmr(par, DST2, point(x + w - 1, y + h - 1));  in image_fill_rect()
521 	u32 s2 = point(x1 + w - 1, y1 + h - 1);  in image_copy_rect()
523 	u32 d2 = point(x2 + w - 1, y2 + h - 1);  in image_copy_rect()
567 	fb_writew(x, par->io_virt + 0x2122);  in tgui_init_accel()
576 	writemmr(par, OLDDIM, point(w - 1, h - 1));  in tgui_fill_rect()
589 		x1_tmp = x1 + w - 1;  in tgui_copy_rect()
590 		x2_tmp = x2 + w - 1;  in tgui_copy_rect()
598 		y1_tmp = y1 + h - 1;  in tgui_copy_rect()
599 		y2_tmp = y2 + h - 1;  in tgui_copy_rect()
609 	writemmr(par, OLDDIM, point(w - 1, h - 1));  in tgui_copy_rect()
619 	struct tridentfb_par *par = info->par;  in tridentfb_fillrect()
622 	if (info->flags & FBINFO_HWACCEL_DISABLED) {  in tridentfb_fillrect()
626 	if (info->var.bits_per_pixel == 8) {  in tridentfb_fillrect()
627 		col = fr->color;  in tridentfb_fillrect()
631 		col = ((u32 *)(info->pseudo_palette))[fr->color];  in tridentfb_fillrect()
633 	par->wait_engine(par);  in tridentfb_fillrect()
634 	par->fill_rect(par, fr->dx, fr->dy, fr->width,  in tridentfb_fillrect()
635 		       fr->height, col, fr->rop);  in tridentfb_fillrect()
641 	struct tridentfb_par *par = info->par;  in tridentfb_imageblit()
644 	if ((info->flags & FBINFO_HWACCEL_DISABLED) || img->depth != 1) {  in tridentfb_imageblit()
648 	if (info->var.bits_per_pixel == 8) {  in tridentfb_imageblit()
649 		col = img->fg_color;  in tridentfb_imageblit()
652 		bgcol = img->bg_color;  in tridentfb_imageblit()
656 		col = ((u32 *)(info->pseudo_palette))[img->fg_color];  in tridentfb_imageblit()
657 		bgcol = ((u32 *)(info->pseudo_palette))[img->bg_color];  in tridentfb_imageblit()
660 	par->wait_engine(par);  in tridentfb_imageblit()
661 	if (par->image_blit)  in tridentfb_imageblit()
662 		par->image_blit(par, img->data, img->dx, img->dy,  in tridentfb_imageblit()
663 				img->width, img->height, col, bgcol);  in tridentfb_imageblit()
671 	struct tridentfb_par *par = info->par;  in tridentfb_copyarea()
673 	if (info->flags & FBINFO_HWACCEL_DISABLED) {  in tridentfb_copyarea()
677 	par->wait_engine(par);  in tridentfb_copyarea()
678 	par->copy_rect(par, ca->sx, ca->sy, ca->dx, ca->dy,  in tridentfb_copyarea()
679 		       ca->width, ca->height);  in tridentfb_copyarea()
684 	struct tridentfb_par *par = info->par;  in tridentfb_sync()
686 	if (!(info->flags & FBINFO_HWACCEL_DISABLED))  in tridentfb_sync()
687 		par->wait_engine(par);  in tridentfb_sync()
697 	return vga_mm_rcrt(par->io_virt, reg);  in read3X4()
703 	vga_mm_wcrt(par->io_virt, reg, val);  in write3X4()
709 	return vga_mm_rgfx(par->io_virt, reg);  in read3CE()
715 	fb_readb(par->io_virt + VGA_IS1_RC);	/* flip-flop to index */  in writeAttr()
716 	vga_mm_wattr(par->io_virt, reg, val);  in writeAttr()
722 	vga_mm_wgfx(par->io_virt, reg, val);  in write3CE()
732 	if (!is_oldprotect(par->chip_id))  in enable_mmio()
743 	vga_mm_rseq(par->io_virt, 0x0B);  in disable_mmio()
746 	vga_mm_wseq(par->io_virt, NewMode1, 0x80);  in disable_mmio()
747 	if (!is_oldprotect(par->chip_id))  in disable_mmio()
748 		vga_mm_wseq(par->io_virt, Protection, 0x92);  in disable_mmio()
761 /*  Return flat panel's maximum x resolution */
787 	output("%dx%d flat panel found\n", x, y);  in get_nativex()
797 	if (par->chip_id == TGUI9440 || par->chip_id == CYBER9320)  in set_lwidth()
808 	if (par->chip_id != CYBERBLADEXPAi1)  in screen_stretch()
842 	unsigned char shift = !is_oldclock(par->chip_id) ? 2 : 1;  in set_vclk()
845 	for (k = shift; k >= 0; k--)  in set_vclk()
847 			n = ((m + 2) << shift) - 8;  in set_vclk()
850 				di = abs(fi - freq);  in set_vclk()
862 	if (is_oldclock(par->chip_id)) {  in set_vclk()
870 	if (is3Dchip(par->chip_id)) {  in set_vclk()
871 		vga_mm_wseq(par->io_virt, ClockHigh, hi);  in set_vclk()
872 		vga_mm_wseq(par->io_virt, ClockLow, lo);  in set_vclk()
880 /* Set number of lines for flat panels*/
903 	if (crt || !iscyber(par->chip_id))  in is_flatpanel()
918 		switch (par->chip_id) {  in get_memsize()
955 				tmp2 = vga_mm_rseq(par->io_virt, 0xC1);  in get_memsize()
984 	k -= memdiff * Kb;  in get_memsize()
993 	struct tridentfb_par *par = info->par;  in tridentfb_check_var()
994 	int bpp = var->bits_per_pixel;  in tridentfb_check_var()
999 	if (!var->pixclock)  in tridentfb_check_var()
1000 		return -EINVAL;  in tridentfb_check_var()
1004 		bpp = var->bits_per_pixel = 32;  in tridentfb_check_var()
1006 		return -EINVAL;  in tridentfb_check_var()
1007 	if (par->chip_id == TGUI9440 && bpp == 32)  in tridentfb_check_var()
1008 		return -EINVAL;  in tridentfb_check_var()
1010 	if (par->flatpanel && nativex && var->xres > nativex)  in tridentfb_check_var()
1011 		return -EINVAL;  in tridentfb_check_var()
1013 	var->xres = (var->xres + 7) & ~0x7;  in tridentfb_check_var()
1014 	if (var->xres > var->xres_virtual)  in tridentfb_check_var()
1015 		var->xres_virtual = var->xres;  in tridentfb_check_var()
1016 	if (var->yres > var->yres_virtual)  in tridentfb_check_var()
1017 		var->yres_virtual = var->yres;  in tridentfb_check_var()
1018 	if (var->xres_virtual > 4095 || var->yres > 2048)  in tridentfb_check_var()
1019 		return -EINVAL;  in tridentfb_check_var()
1021 	if (var->yres_virtual > 0xffff)  in tridentfb_check_var()
1022 		return -EINVAL;  in tridentfb_check_var()
1023 	line_length = var->xres_virtual * bpp / 8;  in tridentfb_check_var()
1025 	if (!is3Dchip(par->chip_id) &&  in tridentfb_check_var()
1026 	    !(info->flags & FBINFO_HWACCEL_DISABLED)) {  in tridentfb_check_var()
1029 			var->xres_virtual = 512 * 8 / bpp;  in tridentfb_check_var()
1031 			var->xres_virtual = 1024 * 8 / bpp;  in tridentfb_check_var()
1033 			var->xres_virtual = 2048 * 8 / bpp;  in tridentfb_check_var()
1035 			var->xres_virtual = 4096 * 8 / bpp;  in tridentfb_check_var()
1037 			var->xres_virtual = 8192 * 8 / bpp;  in tridentfb_check_var()
1039 			return -EINVAL;  in tridentfb_check_var()
1041 		line_length = var->xres_virtual * bpp / 8;  in tridentfb_check_var()
1045 	if (line_length * (var->yres_virtual - var->yres) > (4 << 20))  in tridentfb_check_var()
1046 		var->yres_virtual = ((4 << 20) / line_length) + var->yres;  in tridentfb_check_var()
1048 	if (line_length * var->yres_virtual > info->fix.smem_len)  in tridentfb_check_var()
1049 		return -EINVAL;  in tridentfb_check_var()
1053 		var->red.offset = 0;  in tridentfb_check_var()
1054 		var->red.length = 8;  in tridentfb_check_var()
1055 		var->green = var->red;  in tridentfb_check_var()
1056 		var->blue = var->red;  in tridentfb_check_var()
1059 		var->red.offset = 11;  in tridentfb_check_var()
1060 		var->green.offset = 5;  in tridentfb_check_var()
1061 		var->blue.offset = 0;  in tridentfb_check_var()
1062 		var->red.length = 5;  in tridentfb_check_var()
1063 		var->green.length = 6;  in tridentfb_check_var()
1064 		var->blue.length = 5;  in tridentfb_check_var()
1067 		var->red.offset = 16;  in tridentfb_check_var()
1068 		var->green.offset = 8;  in tridentfb_check_var()
1069 		var->blue.offset = 0;  in tridentfb_check_var()
1070 		var->red.length = 8;  in tridentfb_check_var()
1071 		var->green.length = 8;  in tridentfb_check_var()
1072 		var->blue.length = 8;  in tridentfb_check_var()
1075 		return -EINVAL;  in tridentfb_check_var()
1078 	if (is_xp(par->chip_id))  in tridentfb_check_var()
1081 	switch (par->chip_id) {  in tridentfb_check_var()
1101 	if (PICOS2KHZ(var->pixclock) > ramdac)  in tridentfb_check_var()
1102 		return -EINVAL;  in tridentfb_check_var()
1114 	struct tridentfb_par *par = info->par;  in tridentfb_pan_display()
1118 	offset = (var->xoffset + (var->yoffset * info->var.xres_virtual))  in tridentfb_pan_display()
1119 		* info->var.bits_per_pixel / 32;  in tridentfb_pan_display()
1133 	struct tridentfb_par *par = info->par;  in tridentfb_set_par()
1136 	struct fb_var_screeninfo *var = &info->var;  in tridentfb_set_par()
1137 	int bpp = var->bits_per_pixel;  in tridentfb_set_par()
1142 	hdispend = var->xres / 8 - 1;  in tridentfb_set_par()
1143 	hsyncstart = (var->xres + var->right_margin) / 8;  in tridentfb_set_par()
1144 	hsyncend = (var->xres + var->right_margin + var->hsync_len) / 8;  in tridentfb_set_par()
1145 	htotal = (var->xres + var->left_margin + var->right_margin +  in tridentfb_set_par()
1146 		  var->hsync_len) / 8 - 5;  in tridentfb_set_par()
1150 	vdispend = var->yres - 1;  in tridentfb_set_par()
1151 	vsyncstart = var->yres + var->lower_margin;  in tridentfb_set_par()
1152 	vsyncend = vsyncstart + var->vsync_len;  in tridentfb_set_par()
1153 	vtotal = var->upper_margin + vsyncend - 2;  in tridentfb_set_par()
1157 	if (info->var.vmode & FB_VMODE_INTERLACED) {  in tridentfb_set_par()
1170 	if (var->sync & FB_SYNC_HOR_HIGH_ACT)  in tridentfb_set_par()
1172 	if (var->sync & FB_SYNC_VERT_HIGH_ACT)  in tridentfb_set_par()
1175 	if (par->flatpanel && var->xres < nativex) {  in tridentfb_set_par()
1177 		 * on flat panels with native size larger  in tridentfb_set_par()
1240 //FIXME	if (info->var.vmode & FB_VMODE_DOUBLE) tmp |= 0x80;  /* double scan for 200 line modes */  in tridentfb_set_par()
1249 	tmp = (info->var.vmode & FB_VMODE_INTERLACED) ? 0x84 : 0x80;  in tridentfb_set_par()
1253 	if (info->var.vmode & FB_VMODE_INTERLACED)  in tridentfb_set_par()
1278 	if (!is_oldprotect(par->chip_id))  in tridentfb_set_par()
1280 	if (iscyber(par->chip_id))  in tridentfb_set_par()
1285 	if (!is_xp(par->chip_id))  in tridentfb_set_par()
1288 	if (par->chip_id != TGUI9440 && par->chip_id != IMAGE975)  in tridentfb_set_par()
1291 	vga_mm_wseq(par->io_virt, 0, 3);  in tridentfb_set_par()
1292 	vga_mm_wseq(par->io_virt, 1, 1); /* set char clock 8 dots wide */  in tridentfb_set_par()
1294 	vga_mm_wseq(par->io_virt, 2, 0x0F);  in tridentfb_set_par()
1295 	vga_mm_wseq(par->io_virt, 3, 0);  in tridentfb_set_par()
1296 	vga_mm_wseq(par->io_virt, 4, 0x0E); /* memory mode enable bitmaps ?? */  in tridentfb_set_par()
1299 	vclk = PICOS2KHZ(info->var.pixclock);  in tridentfb_set_par()
1303 	if (bpp == 32 || (par->chip_id == TGUI9440 && bpp == 16)) {  in tridentfb_set_par()
1321 	fb_readb(par->io_virt + VGA_IS1_RC);	/* flip-flop to index */  in tridentfb_set_par()
1345 	if (par->flatpanel)  in tridentfb_set_par()
1346 		set_number_of_lines(par, info->var.yres);  in tridentfb_set_par()
1347 	info->fix.line_length = info->var.xres_virtual * bpp / 8;  in tridentfb_set_par()
1348 	set_lwidth(par, info->fix.line_length / 8);  in tridentfb_set_par()
1350 	if (!(info->flags & FBINFO_HWACCEL_DISABLED))  in tridentfb_set_par()
1351 		par->init_accel(par, info->var.xres_virtual, bpp);  in tridentfb_set_par()
1353 	info->fix.visual = (bpp == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;  in tridentfb_set_par()
1354 	info->cmap.len = (bpp == 8) ? 256 : 16;  in tridentfb_set_par()
1364 	int bpp = info->var.bits_per_pixel;  in tridentfb_setcolreg()
1365 	struct tridentfb_par *par = info->par;  in tridentfb_setcolreg()
1367 	if (regno >= info->cmap.len)  in tridentfb_setcolreg()
1385 			((u32 *)(info->pseudo_palette))[regno] = col;  in tridentfb_setcolreg()
1387 			((u32 *)info->pseudo_palette)[regno] =  in tridentfb_setcolreg()
1397 /* Try blanking the screen. For flat panels it does nothing */
1401 	struct tridentfb_par *par = info->par;  in tridentfb_blank()
1404 	if (par->flatpanel)  in tridentfb_blank()
1478 	info = framebuffer_alloc(sizeof(struct tridentfb_par), &dev->dev);  in trident_pci_probe()
1480 		return -ENOMEM;  in trident_pci_probe()
1481 	default_par = info->par;  in trident_pci_probe()
1483 	chip_id = id->device;  in trident_pci_probe()
1524 		default_par->init_accel = xp_init_accel;  in trident_pci_probe()
1525 		default_par->wait_engine = xp_wait_engine;  in trident_pci_probe()
1526 		default_par->fill_rect = xp_fill_rect;  in trident_pci_probe()
1527 		default_par->copy_rect = xp_copy_rect;  in trident_pci_probe()
1530 		default_par->init_accel = blade_init_accel;  in trident_pci_probe()
1531 		default_par->wait_engine = blade_wait_engine;  in trident_pci_probe()
1532 		default_par->fill_rect = blade_fill_rect;  in trident_pci_probe()
1533 		default_par->copy_rect = blade_copy_rect;  in trident_pci_probe()
1534 		default_par->image_blit = blade_image_blit;  in trident_pci_probe()
1537 		default_par->init_accel = image_init_accel;  in trident_pci_probe()
1538 		default_par->wait_engine = image_wait_engine;  in trident_pci_probe()
1539 		default_par->fill_rect = image_fill_rect;  in trident_pci_probe()
1540 		default_par->copy_rect = image_copy_rect;  in trident_pci_probe()
1543 		default_par->init_accel = tgui_init_accel;  in trident_pci_probe()
1544 		default_par->wait_engine = xp_wait_engine;  in trident_pci_probe()
1545 		default_par->fill_rect = tgui_fill_rect;  in trident_pci_probe()
1546 		default_par->copy_rect = tgui_copy_rect;  in trident_pci_probe()
1550 	default_par->chip_id = chip_id;  in trident_pci_probe()
1560 		return -1;  in trident_pci_probe()
1563 	default_par->io_virt = ioremap(tridentfb_fix.mmio_start,  in trident_pci_probe()
1566 	if (!default_par->io_virt) {  in trident_pci_probe()
1568 		err = -1;  in trident_pci_probe()
1581 		disable_mmio(info->par);  in trident_pci_probe()
1582 		err = -1;  in trident_pci_probe()
1586 	info->screen_base = ioremap(tridentfb_fix.smem_start,  in trident_pci_probe()
1589 	if (!info->screen_base) {  in trident_pci_probe()
1591 		err = -1;  in trident_pci_probe()
1595 	default_par->flatpanel = is_flatpanel(default_par);  in trident_pci_probe()
1597 	if (default_par->flatpanel)  in trident_pci_probe()
1600 	info->fix = tridentfb_fix;  in trident_pci_probe()
1601 	info->fbops = &tridentfb_ops;  in trident_pci_probe()
1602 	info->pseudo_palette = default_par->pseudo_pal;  in trident_pci_probe()
1604 	info->flags = FBINFO_HWACCEL_YPAN;  in trident_pci_probe()
1605 	if (!noaccel && default_par->init_accel) {  in trident_pci_probe()
1606 		info->flags &= ~FBINFO_HWACCEL_DISABLED;  in trident_pci_probe()
1607 		info->flags |= FBINFO_HWACCEL_COPYAREA;  in trident_pci_probe()
1608 		info->flags |= FBINFO_HWACCEL_FILLRECT;  in trident_pci_probe()
1610 		info->flags |= FBINFO_HWACCEL_DISABLED;  in trident_pci_probe()
1613 		info->flags |= FBINFO_READS_FAST;  in trident_pci_probe()
1615 	info->pixmap.addr = kmalloc(4096, GFP_KERNEL);  in trident_pci_probe()
1616 	if (!info->pixmap.addr) {  in trident_pci_probe()
1617 		err = -ENOMEM;  in trident_pci_probe()
1621 	info->pixmap.size = 4096;  in trident_pci_probe()
1622 	info->pixmap.buf_align = 4;  in trident_pci_probe()
1623 	info->pixmap.scan_align = 1;  in trident_pci_probe()
1624 	info->pixmap.access_align = 32;  in trident_pci_probe()
1625 	info->pixmap.flags = FB_PIXMAP_SYSTEM;  in trident_pci_probe()
1626 	info->var.bits_per_pixel = 8;  in trident_pci_probe()
1628 	if (default_par->image_blit) {  in trident_pci_probe()
1629 		info->flags |= FBINFO_HWACCEL_IMAGEBLIT;  in trident_pci_probe()
1630 		info->pixmap.scan_align = 4;  in trident_pci_probe()
1635 		info->flags |= FBINFO_HWACCEL_DISABLED;  in trident_pci_probe()
1636 		info->pixmap.scan_align = 1;  in trident_pci_probe()
1640 		u8 *edid = fb_ddc_read(&default_par->ddc_adapter);  in trident_pci_probe()
1642 		default_par->ddc_registered = true;  in trident_pci_probe()
1644 			fb_edid_to_monspecs(edid, &info->monspecs);  in trident_pci_probe()
1646 			if (!info->monspecs.modedb)  in trident_pci_probe()
1647 				dev_err(info->device, "error getting mode database\n");  in trident_pci_probe()
1651 				fb_videomode_to_modelist(info->monspecs.modedb,  in trident_pci_probe()
1652 						 info->monspecs.modedb_len,  in trident_pci_probe()
1653 						 &info->modelist);  in trident_pci_probe()
1654 				m = fb_find_best_display(&info->monspecs,  in trident_pci_probe()
1655 							 &info->modelist);  in trident_pci_probe()
1657 					fb_videomode_to_var(&info->var, m);  in trident_pci_probe()
1658 					/* fill all other info->var's fields */  in trident_pci_probe()
1659 					if (tridentfb_check_var(&info->var,  in trident_pci_probe()
1668 		mode_option = "640x480-8@60";  in trident_pci_probe()
1672 		err = fb_find_mode(&info->var, info, mode_option,  in trident_pci_probe()
1673 				   info->monspecs.modedb,  in trident_pci_probe()
1674 				   info->monspecs.modedb_len,  in trident_pci_probe()
1675 				   NULL, info->var.bits_per_pixel);  in trident_pci_probe()
1677 			err = -EINVAL;  in trident_pci_probe()
1678 			dev_err(info->device, "mode %s not found\n",  in trident_pci_probe()
1680 			fb_destroy_modedb(info->monspecs.modedb);  in trident_pci_probe()
1681 			info->monspecs.modedb = NULL;  in trident_pci_probe()
1686 	fb_destroy_modedb(info->monspecs.modedb);  in trident_pci_probe()
1687 	info->monspecs.modedb = NULL;  in trident_pci_probe()
1689 	err = fb_alloc_cmap(&info->cmap, 256, 0);  in trident_pci_probe()
1693 	info->var.activate |= FB_ACTIVATE_NOW;  in trident_pci_probe()
1694 	info->device = &dev->dev;  in trident_pci_probe()
1697 		fb_dealloc_cmap(&info->cmap);  in trident_pci_probe()
1698 		err = -EINVAL;  in trident_pci_probe()
1701 	output("fb%d: %s frame buffer device %dx%d-%dbpp\n",  in trident_pci_probe()
1702 	   info->node, info->fix.id, info->var.xres,  in trident_pci_probe()
1703 	   info->var.yres, info->var.bits_per_pixel);  in trident_pci_probe()
1709 	if (default_par->ddc_registered)  in trident_pci_probe()
1710 		i2c_del_adapter(&default_par->ddc_adapter);  in trident_pci_probe()
1711 	kfree(info->pixmap.addr);  in trident_pci_probe()
1712 	if (info->screen_base)  in trident_pci_probe()
1713 		iounmap(info->screen_base);  in trident_pci_probe()
1714 	disable_mmio(info->par);  in trident_pci_probe()
1716 	if (default_par->io_virt)  in trident_pci_probe()
1717 		iounmap(default_par->io_virt);  in trident_pci_probe()
1725 	struct tridentfb_par *par = info->par;  in trident_pci_remove()
1728 	if (par->ddc_registered)  in trident_pci_remove()
1729 		i2c_del_adapter(&par->ddc_adapter);  in trident_pci_remove()
1730 	iounmap(par->io_virt);  in trident_pci_remove()
1731 	iounmap(info->screen_base);  in trident_pci_remove()
1732 	kfree(info->pixmap.addr);  in trident_pci_remove()
1733 	fb_dealloc_cmap(&info->cmap);  in trident_pci_remove()
1818 		return -ENODEV;  in tridentfb_init()
1822 		return -ENODEV;  in tridentfb_init()