/* *  linux/drivers/video/console/tileblit.c -- Tile Blitting Operation * *      Copyright (C) 2004 Antonino Daplas <adaplas @pol.net> * *  This file is subject to the terms and conditions of the GNU General Public *  License.  See the file COPYING in the main directory of this archive for *  more details. */ #include <linux/module.h>#include <linux/string.h>#include <linux/fb.h>#include <linux/vt_kern.h>#include <linux/console.h>#include <asm/types.h>#include "fbcon.h" static void tile_bmove(struct vc_data *vc, struct fb_info *info, int sy,		       int sx, int dy, int dx, int height, int width){	struct fb_tilearea area; 	area.sx = sx;	area.sy = sy;	area.dx = dx;	area.dy = dy;	area.height = height;	area.width = width; 	info->tileops->fb_tilecopy(info, &area);} static void tile_clear(struct vc_data *vc, struct fb_info *info, int sy,		       int sx, int height, int width, int fg, int bg){	struct fb_tilerect rect; 	rect.index = vc->vc_video_erase_char &		((vc->vc_hi_font_mask) ? 0x1ff : 0xff);	rect.fg = fg;	rect.bg = bg;	rect.sx = sx;	rect.sy = sy;	rect.width = width;	rect.height = height;	rect.rop = ROP_COPY; 	info->tileops->fb_tilefill(info, &rect);} static void tile_putcs(struct vc_data *vc, struct fb_info *info,		       const unsigned short *s, int count, int yy, int xx,		       int fg, int bg){	struct fb_tileblit blit;	unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff;	int size = sizeof(u32) * count, i; 	blit.sx = xx;	blit.sy = yy;	blit.width = count;	blit.height = 1;	blit.fg = fg;	blit.bg = bg;	blit.length = count;	blit.indices = (u32 *) fb_get_buffer_offset(info, &info->pixmap, size);	for (i = 0; i < count; i++)		blit.indices[i] = (u32)(scr_readw(s++) & charmask); 	info->tileops->fb_tileblit(info, &blit);} static void tile_clear_margins(struct vc_data *vc, struct fb_info *info,			       int color, int bottom_only){	unsigned int cw = vc->vc_font.width;	unsigned int ch = vc->vc_font.height;	unsigned int rw = info->var.xres - (vc->vc_cols*cw);	unsigned int bh = info->var.yres - (vc->vc_rows*ch);	unsigned int rs = info->var.xres - rw;	unsigned int bs = info->var.yres - bh;	unsigned int vwt = info->var.xres_virtual / cw;	unsigned int vht = info->var.yres_virtual / ch;	struct fb_tilerect rect; 	rect.index = vc->vc_video_erase_char &		((vc->vc_hi_font_mask) ? 0x1ff : 0xff);	rect.fg = color;	rect.bg = color; 	if ((int) rw > 0 && !bottom_only) {		rect.sx = (info->var.xoffset + rs + cw - 1) / cw;		rect.sy = 0;		rect.width = (rw + cw - 1) / cw;		rect.height = vht;		if (rect.width + rect.sx > vwt)			rect.width = vwt - rect.sx;		if (rect.sx < vwt)			info->tileops->fb_tilefill(info, &rect);	} 	if ((int) bh > 0) {		rect.sx = info->var.xoffset / cw;		rect.sy = (info->var.yoffset + bs) / ch;		rect.width = rs / cw;		rect.height = (bh + ch - 1) / ch;		if (rect.height + rect.sy > vht)			rect.height = vht - rect.sy;		if (rect.sy < vht)			info->tileops->fb_tilefill(info, &rect);	}} static void tile_cursor(struct vc_data *vc, struct fb_info *info, bool enable,			int fg, int bg){	struct fb_tilecursor cursor;	int use_sw = vc->vc_cursor_type & CUR_SW; 	cursor.sx = vc->state.x;	cursor.sy = vc->state.y;	cursor.mode = enable && !use_sw;	cursor.fg = fg;	cursor.bg = bg; 	switch (vc->vc_cursor_type & 0x0f) {	case CUR_NONE:		cursor.shape = FB_TILE_CURSOR_NONE;		break;	case CUR_UNDERLINE:		cursor.shape = FB_TILE_CURSOR_UNDERLINE;		break;	case CUR_LOWER_THIRD:		cursor.shape = FB_TILE_CURSOR_LOWER_THIRD;		break;	case CUR_LOWER_HALF:		cursor.shape = FB_TILE_CURSOR_LOWER_HALF;		break;	case CUR_TWO_THIRDS:		cursor.shape = FB_TILE_CURSOR_TWO_THIRDS;		break;	case CUR_BLOCK:	default:		cursor.shape = FB_TILE_CURSOR_BLOCK;		break;	} 	info->tileops->fb_tilecursor(info, &cursor);} static int tile_update_start(struct fb_info *info){	struct fbcon_par *par = info->fbcon_par;	int err; 	err = fb_pan_display(info, &par->var);	par->var.xoffset = info->var.xoffset;	par->var.yoffset = info->var.yoffset;	par->var.vmode = info->var.vmode;	return err;} static const struct fbcon_bitops tile_fbcon_bitops = {	.bmove = tile_bmove,	.clear = tile_clear,	.putcs = tile_putcs,	.clear_margins = tile_clear_margins,	.cursor = tile_cursor,	.update_start = tile_update_start,}; void fbcon_set_tileops(struct vc_data *vc, struct fb_info *info){	struct fb_tilemap map;	struct fbcon_par *par = info->fbcon_par; 	par->bitops = &tile_fbcon_bitops; 	if (par->p) {		map.width = vc->vc_font.width;		map.height = vc->vc_font.height;		map.depth = 1;		map.length = vc->vc_font.charcount;		map.data = par->p->fontdata;		info->tileops->fb_settile(info, &map);	}}