fbdev/core/fbcon.c

656 static int fbcon_invalid_charcount(struct fb_info *info, unsigned charcount)
661 	    info->tileops->fb_get_tilemax(info) < charcount)
677 static int fbcon_invalid_charcount(struct fb_info *info, unsigned charcount)
970 		vc->vc_font.charcount = font->charcount;
1031 			vc->vc_font.charcount = fvc->vc_font.charcount;
1047 			vc->vc_font.charcount = font->charcount;
1053 	if (vc->vc_font.charcount == 256) {
1358 		vc->vc_font.charcount = (*default_mode)->vc_font.charcount;
1372 	if (vc->vc_font.charcount == 256) {
1992 #define CALC_FONTSZ(h, p, c) ((h) * (p) * (c)) /* size = height * pitch * charcount */
2010 		 * NOTE: must use original charcount in calculation as font
2011 		 * charcount can change and cannot be used to determine the
2016 		size = CALC_FONTSZ(vc->vc_font.height, pitch, vc->vc_font.charcount);
2141 	if (vc->vc_font.charcount > 256)
2275 	font->charcount = vc->vc_hi_font_mask ? 512 : 256;
2281 		if (font->charcount * j > FNTSIZE(fontdata))
2284 		for (i = 0; i < font->charcount; i++) {
2292 		if (font->charcount * j > FNTSIZE(fontdata))
2295 		for (i = 0; i < font->charcount; i++) {
2302 		if (font->charcount * (vc->vc_font.height * sizeof(u32)) > FNTSIZE(fontdata))
2305 		for (i = 0; i < font->charcount; i++) {
2317 		if (font->charcount * j > FNTSIZE(fontdata))
2320 		for (i = 0; i < font->charcount; i++) {
2391 static int fbcon_do_set_font(struct vc_data *vc, int w, int h, int charcount,
2408 	old_charcount = vc->vc_font.charcount;
2412 	vc->vc_font.charcount = charcount;
2413 	if (vc->vc_hi_font_mask && charcount == 256)
2415 	else if (!vc->vc_hi_font_mask && charcount == 512)
2450 	vc->vc_font.charcount = old_charcount;
2456  *  User asked to set font; we are guaranteed that charcount does not exceed 512
2457  *  but lets not assume that, since charcount of 512 is small for unicode support.
2464 	unsigned charcount = font->charcount;
2472 	/* Is there a reason why fbconsole couldn't handle any charcount >256?
2473 	 * If not this check should be changed to charcount < 256 */
2474 	if (charcount != 256 && charcount != 512)
2491 	if (fbcon_invalid_charcount(info, charcount))
2494 	size = CALC_FONTSZ(h, pitch, charcount);
2506 	for (i=0; i< charcount; i++) {
2530 	return fbcon_do_set_font(vc, font->width, font->height, charcount, new_data, 1);
2547 	return fbcon_do_set_font(vc, f->width, f->height, f->charcount, f->data, 0);
3055 				charcnt = vc->vc_font.charcount;
3069 			caps->len = vc->vc_font.charcount;