219 static int sa1100fb_activate_var(struct fb_var_screeninfo *var, struct sa1100fb_info *);
257 static inline u_int palette_pbs(struct fb_var_screeninfo *var)  in palette_pbs()  argument
260 	switch (var->bits_per_pixel) {  in palette_pbs()
282 			val |= palette_pbs(&fbi->fb.var);  in sa1100fb_setpalettereg()
315 	if (fbi->fb.var.grayscale)  in sa1100fb_setcolreg()
328 			val  = chan_to_field(red, &fbi->fb.var.red);  in sa1100fb_setcolreg()
329 			val |= chan_to_field(green, &fbi->fb.var.green);  in sa1100fb_setcolreg()
330 			val |= chan_to_field(blue, &fbi->fb.var.blue);  in sa1100fb_setcolreg()
353 static inline unsigned int sa1100fb_display_dma_period(struct fb_var_screeninfo *var)  in sa1100fb_display_dma_period()  argument
359 	return var->pixclock * 8 * 16 / var->bits_per_pixel;  in sa1100fb_display_dma_period()
370 sa1100fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)  in sa1100fb_check_var()  argument
376 	if (var->xres < MIN_XRES)  in sa1100fb_check_var()
377 		var->xres = MIN_XRES;  in sa1100fb_check_var()
378 	if (var->yres < MIN_YRES)  in sa1100fb_check_var()
379 		var->yres = MIN_YRES;  in sa1100fb_check_var()
380 	if (var->xres > fbi->inf->xres)  in sa1100fb_check_var()
381 		var->xres = fbi->inf->xres;  in sa1100fb_check_var()
382 	if (var->yres > fbi->inf->yres)  in sa1100fb_check_var()
383 		var->yres = fbi->inf->yres;  in sa1100fb_check_var()
384 	var->xres_virtual = max(var->xres_virtual, var->xres);  in sa1100fb_check_var()
385 	var->yres_virtual = max(var->yres_virtual, var->yres);  in sa1100fb_check_var()
387 	dev_dbg(fbi->dev, "var->bits_per_pixel=%d\n", var->bits_per_pixel);  in sa1100fb_check_var()
388 	switch (var->bits_per_pixel) {  in sa1100fb_check_var()
406 	var->red    = fbi->rgb[rgbidx]->red;  in sa1100fb_check_var()
407 	var->green  = fbi->rgb[rgbidx]->green;  in sa1100fb_check_var()
408 	var->blue   = fbi->rgb[rgbidx]->blue;  in sa1100fb_check_var()
409 	var->transp = fbi->rgb[rgbidx]->transp;  in sa1100fb_check_var()
412 		var->red.length, var->green.length, var->blue.length,  in sa1100fb_check_var()
413 		var->transp.length);  in sa1100fb_check_var()
416 		var->red.offset, var->green.offset, var->blue.offset,  in sa1100fb_check_var()
417 		var->transp.offset);  in sa1100fb_check_var()
421 		sa1100fb_display_dma_period(var),  in sa1100fb_check_var()
442 	struct fb_var_screeninfo *var = &info->var;  in sa1100fb_set_par()  local
447 	if (var->bits_per_pixel == 16)  in sa1100fb_set_par()
460 	fbi->fb.fix.line_length = var->xres_virtual *  in sa1100fb_set_par()
461 				  var->bits_per_pixel / 8;  in sa1100fb_set_par()
462 	fbi->palette_size = var->bits_per_pixel == 8 ? 256 : 16;  in sa1100fb_set_par()
475 	sa1100fb_activate_var(var, fbi);  in sa1100fb_set_par()
490 	if (!kspc && (fbi->fb.var.bits_per_pixel == 16 || fbi->inf->cmap_static))
612 static int sa1100fb_activate_var(struct fb_var_screeninfo *var, struct sa1100fb_info *fbi)  in sa1100fb_activate_var()  argument
621 		var->xres, var->hsync_len,  in sa1100fb_activate_var()
622 		var->left_margin, var->right_margin);  in sa1100fb_activate_var()
624 		var->yres, var->vsync_len,  in sa1100fb_activate_var()
625 		var->upper_margin, var->lower_margin);  in sa1100fb_activate_var()
628 	if (var->xres < 16        || var->xres > 1024)  in sa1100fb_activate_var()
630 			fbi->fb.fix.id, var->xres);  in sa1100fb_activate_var()
631 	if (var->hsync_len < 1    || var->hsync_len > 64)  in sa1100fb_activate_var()
633 			fbi->fb.fix.id, var->hsync_len);  in sa1100fb_activate_var()
634 	if (var->left_margin < 1  || var->left_margin > 255)  in sa1100fb_activate_var()
636 			fbi->fb.fix.id, var->left_margin);  in sa1100fb_activate_var()
637 	if (var->right_margin < 1 || var->right_margin > 255)  in sa1100fb_activate_var()
639 			fbi->fb.fix.id, var->right_margin);  in sa1100fb_activate_var()
640 	if (var->yres < 1         || var->yres > 1024)  in sa1100fb_activate_var()
642 			fbi->fb.fix.id, var->yres);  in sa1100fb_activate_var()
643 	if (var->vsync_len < 1    || var->vsync_len > 64)  in sa1100fb_activate_var()
645 			fbi->fb.fix.id, var->vsync_len);  in sa1100fb_activate_var()
646 	if (var->upper_margin < 0 || var->upper_margin > 255)  in sa1100fb_activate_var()
648 			fbi->fb.fix.id, var->upper_margin);  in sa1100fb_activate_var()
649 	if (var->lower_margin < 0 || var->lower_margin > 255)  in sa1100fb_activate_var()
651 			fbi->fb.fix.id, var->lower_margin);  in sa1100fb_activate_var()
659 		LCCR1_DisWdth(var->xres) +  in sa1100fb_activate_var()
660 		LCCR1_HorSnchWdth(var->hsync_len) +  in sa1100fb_activate_var()
661 		LCCR1_BegLnDel(var->left_margin) +  in sa1100fb_activate_var()
662 		LCCR1_EndLnDel(var->right_margin);  in sa1100fb_activate_var()
668 	yres = var->yres;  in sa1100fb_activate_var()
674 		LCCR2_VrtSnchWdth(var->vsync_len) +  in sa1100fb_activate_var()
675 		LCCR2_BegFrmDel(var->upper_margin) +  in sa1100fb_activate_var()
676 		LCCR2_EndFrmDel(var->lower_margin);  in sa1100fb_activate_var()
678 	pcd = get_pcd(fbi, var->pixclock);  in sa1100fb_activate_var()
680 		(var->sync & FB_SYNC_HOR_HIGH_ACT ? LCCR3_HorSnchH : LCCR3_HorSnchL) |  in sa1100fb_activate_var()
681 		(var->sync & FB_SYNC_VERT_HIGH_ACT ? LCCR3_VrtSnchH : LCCR3_VrtSnchL);  in sa1100fb_activate_var()
688 	half_screen_size = var->bits_per_pixel;  in sa1100fb_activate_var()
689 	half_screen_size = half_screen_size * var->xres * var->yres / 16;  in sa1100fb_activate_var()
759 		if (fbi->fb.var.bits_per_pixel > 8 ||  in sa1100fb_setup_gpio()
790 	fbi->palette_cpu[0] |= palette_pbs(&fbi->fb.var);  in sa1100fb_enable_controller()
996 		period = sa1100fb_display_dma_period(&disp->var);  in sa1100fb_min_dma_period()
1006 	return sa1100fb_display_dma_period(&fbi->fb.var);  in sa1100fb_min_dma_period()
1028 		pcd = get_pcd(fbi, fbi->fb.var.pixclock);  in sa1100fb_freq_transition()
1152 	fbi->fb.var.nonstd	= 0;  in sa1100fb_init_fbinfo()
1153 	fbi->fb.var.activate	= FB_ACTIVATE_NOW;  in sa1100fb_init_fbinfo()
1154 	fbi->fb.var.height	= -1;  in sa1100fb_init_fbinfo()
1155 	fbi->fb.var.width	= -1;  in sa1100fb_init_fbinfo()
1156 	fbi->fb.var.accel_flags	= 0;  in sa1100fb_init_fbinfo()
1157 	fbi->fb.var.vmode	= FB_VMODE_NONINTERLACED;  in sa1100fb_init_fbinfo()
1178 	fbi->fb.var.xres		= inf->xres;  in sa1100fb_init_fbinfo()
1179 	fbi->fb.var.xres_virtual	= inf->xres;  in sa1100fb_init_fbinfo()
1180 	fbi->fb.var.yres		= inf->yres;  in sa1100fb_init_fbinfo()
1181 	fbi->fb.var.yres_virtual	= inf->yres;  in sa1100fb_init_fbinfo()
1182 	fbi->fb.var.bits_per_pixel	= inf->bpp;  in sa1100fb_init_fbinfo()
1183 	fbi->fb.var.pixclock		= inf->pixclock;  in sa1100fb_init_fbinfo()
1184 	fbi->fb.var.hsync_len		= inf->hsync_len;  in sa1100fb_init_fbinfo()
1185 	fbi->fb.var.left_margin		= inf->left_margin;  in sa1100fb_init_fbinfo()
1186 	fbi->fb.var.right_margin	= inf->right_margin;  in sa1100fb_init_fbinfo()
1187 	fbi->fb.var.vsync_len		= inf->vsync_len;  in sa1100fb_init_fbinfo()
1188 	fbi->fb.var.upper_margin	= inf->upper_margin;  in sa1100fb_init_fbinfo()
1189 	fbi->fb.var.lower_margin	= inf->lower_margin;  in sa1100fb_init_fbinfo()
1190 	fbi->fb.var.sync		= inf->sync;  in sa1100fb_init_fbinfo()
1191 	fbi->fb.var.grayscale		= inf->cmap_greyscale;  in sa1100fb_init_fbinfo()
1267 	sa1100fb_check_var(&fbi->fb.var, &fbi->fb);  in sa1100fb_probe()