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/*
* 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_ops *ops = info->fbcon_par;
int err;
err = fb_pan_display(info, &ops->var);
ops->var.xoffset = info->var.xoffset;
ops->var.yoffset = info->var.yoffset;
ops->var.vmode = info->var.vmode;
return err;
}
void fbcon_set_tileops(struct vc_data *vc, struct fb_info *info)
{
struct fb_tilemap map;
struct fbcon_ops *ops = info->fbcon_par;
ops->bmove = tile_bmove;
ops->clear = tile_clear;
ops->putcs = tile_putcs;
ops->clear_margins = tile_clear_margins;
ops->cursor = tile_cursor;
ops->update_start = tile_update_start;
if (ops->p) {
map.width = vc->vc_font.width;
map.height = vc->vc_font.height;
map.depth = 1;
map.length = vc->vc_font.charcount;
map.data = ops->p->fontdata;
info->tileops->fb_settile(info, &map);
}
}
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