2  *  linux/drivers/video/console/bitblit.c -- BitBlitting Operation
28 	int i, offset = (vc->vc_font.height < 10) ? 1 : 2;  in update_attr()
29 	int width = DIV_ROUND_UP(vc->vc_font.width, 8);  in update_attr()  local
30 	unsigned int cellsize = vc->vc_font.height * width;  in update_attr()
33 	offset = cellsize - (offset * width);  in update_attr()
47 		      int sx, int dy, int dx, int height, int width)  in bit_bmove()  argument
51 	area.sx = sx * vc->vc_font.width;  in bit_bmove()
52 	area.sy = sy * vc->vc_font.height;  in bit_bmove()
53 	area.dx = dx * vc->vc_font.width;  in bit_bmove()
54 	area.dy = dy * vc->vc_font.height;  in bit_bmove()
55 	area.height = height * vc->vc_font.height;  in bit_bmove()
56 	area.width = width * vc->vc_font.width;  in bit_bmove()
58 	info->fbops->fb_copyarea(info, &area);  in bit_bmove()
62 		      int sx, int height, int width)  in bit_clear()  argument
64 	int bgshift = (vc->vc_hi_font_mask) ? 13 : 12;  in bit_clear()
68 	region.dx = sx * vc->vc_font.width;  in bit_clear()
69 	region.dy = sy * vc->vc_font.height;  in bit_clear()
70 	region.width = width * vc->vc_font.width;  in bit_clear()
71 	region.height = height * vc->vc_font.height;  in bit_clear()
74 	info->fbops->fb_fillrect(info, &region);  in bit_clear()
82 	u16 charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff;  in bit_putcs_aligned()
83 	u32 idx = vc->vc_font.width >> 3;  in bit_putcs_aligned()
86 	while (cnt--) {  in bit_putcs_aligned()
87 		src = vc->vc_font.data + (scr_readw(s++)&  in bit_putcs_aligned()
97 						image->height);  in bit_putcs_aligned()
100 					      image->height);  in bit_putcs_aligned()
105 	info->fbops->fb_imageblit(info, image);  in bit_putcs_aligned()
115 	u16 charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff;  in bit_putcs_unaligned()
116 	u32 shift_low = 0, mod = vc->vc_font.width % 8;  in bit_putcs_unaligned()
118 	u32 idx = vc->vc_font.width >> 3;  in bit_putcs_unaligned()
121 	while (cnt--) {  in bit_putcs_unaligned()
122 		src = vc->vc_font.data + (scr_readw(s++)&  in bit_putcs_unaligned()
131 					image->height, shift_high,  in bit_putcs_unaligned()
134 		dst += (shift_low >= 8) ? s_pitch : s_pitch - 1;  in bit_putcs_unaligned()
136 		shift_high = 8 - shift_low;  in bit_putcs_unaligned()
139 	info->fbops->fb_imageblit(info, image);  in bit_putcs_unaligned()
148 	u32 width = DIV_ROUND_UP(vc->vc_font.width, 8);  in bit_putcs()  local
149 	u32 cellsize = width * vc->vc_font.height;  in bit_putcs()
150 	u32 maxcnt = info->pixmap.size/cellsize;  in bit_putcs()
151 	u32 scan_align = info->pixmap.scan_align - 1;  in bit_putcs()
152 	u32 buf_align = info->pixmap.buf_align - 1;  in bit_putcs()
153 	u32 mod = vc->vc_font.width % 8, cnt, pitch, size;  in bit_putcs()
159 	image.dx = xx * vc->vc_font.width;  in bit_putcs()
160 	image.dy = yy * vc->vc_font.height;  in bit_putcs()
161 	image.height = vc->vc_font.height;  in bit_putcs()
176 		image.width = vc->vc_font.width * cnt;  in bit_putcs()
177 		pitch = DIV_ROUND_UP(image.width, 8) + scan_align;  in bit_putcs()
181 		dst = fb_get_buffer_offset(info, &info->pixmap, size);  in bit_putcs()
182 		image.data = dst;  in bit_putcs()
186 					  width, cellsize, &image, buf, dst);  in bit_putcs()
189 					    pitch, width, cellsize, &image,  in bit_putcs()
192 		image.dx += cnt * vc->vc_font.width;  in bit_putcs()
193 		count -= cnt;  in bit_putcs()
208 	unsigned int cw = vc->vc_font.width;  in bit_clear_margins()
209 	unsigned int ch = vc->vc_font.height;  in bit_clear_margins()
210 	unsigned int rw = info->var.xres - (vc->vc_cols*cw);  in bit_clear_margins()
211 	unsigned int bh = info->var.yres - (vc->vc_rows*ch);  in bit_clear_margins()
212 	unsigned int rs = info->var.xres - rw;  in bit_clear_margins()
213 	unsigned int bs = info->var.yres - bh;  in bit_clear_margins()
220 		region.dx = info->var.xoffset + rs;  in bit_clear_margins()
222 		region.width = rw;  in bit_clear_margins()
223 		region.height = info->var.yres_virtual;  in bit_clear_margins()
224 		info->fbops->fb_fillrect(info, &region);  in bit_clear_margins()
228 		region.dx = info->var.xoffset;  in bit_clear_margins()
229 		region.dy = info->var.yoffset + bs;  in bit_clear_margins()
230 		region.width = rs;  in bit_clear_margins()
232 		info->fbops->fb_fillrect(info, &region);  in bit_clear_margins()
240 	struct fbcon_ops *ops = info->fbcon_par;  in bit_cursor()
241 	unsigned short charmask = vc->vc_hi_font_mask ? 0x1ff : 0xff;  in bit_cursor()
242 	int w = DIV_ROUND_UP(vc->vc_font.width, 8), c;  in bit_cursor()
243 	int y = real_y(ops->p, vc->state.y);  in bit_cursor()
244 	int attribute, use_sw = vc->vc_cursor_type & CUR_SW;  in bit_cursor()
250 	if (!vc->vc_font.data)  in bit_cursor()
253  	c = scr_readw((u16 *) vc->vc_pos);  in bit_cursor()
255 	src = vc->vc_font.data + ((c & charmask) * (w * vc->vc_font.height));  in bit_cursor()
257 	if (ops->cursor_state.image.data != src ||  in bit_cursor()
258 	    ops->cursor_reset) {  in bit_cursor()
259 	    ops->cursor_state.image.data = src;  in bit_cursor()
266 		dst = kmalloc_array(w, vc->vc_font.height, GFP_ATOMIC);  in bit_cursor()
269 		kfree(ops->cursor_data);  in bit_cursor()
270 		ops->cursor_data = dst;  in bit_cursor()
275 	if (ops->cursor_state.image.fg_color != fg ||  in bit_cursor()
276 	    ops->cursor_state.image.bg_color != bg ||  in bit_cursor()
277 	    ops->cursor_reset) {  in bit_cursor()
278 		ops->cursor_state.image.fg_color = fg;  in bit_cursor()
279 		ops->cursor_state.image.bg_color = bg;  in bit_cursor()
283 	if ((ops->cursor_state.image.dx != (vc->vc_font.width * vc->state.x)) ||  in bit_cursor()
284 	    (ops->cursor_state.image.dy != (vc->vc_font.height * y)) ||  in bit_cursor()
285 	    ops->cursor_reset) {  in bit_cursor()
286 		ops->cursor_state.image.dx = vc->vc_font.width * vc->state.x;  in bit_cursor()
287 		ops->cursor_state.image.dy = vc->vc_font.height * y;  in bit_cursor()
291 	if (ops->cursor_state.image.height != vc->vc_font.height ||  in bit_cursor()
292 	    ops->cursor_state.image.width != vc->vc_font.width ||  in bit_cursor()
293 	    ops->cursor_reset) {  in bit_cursor()
294 		ops->cursor_state.image.height = vc->vc_font.height;  in bit_cursor()
295 		ops->cursor_state.image.width = vc->vc_font.width;  in bit_cursor()
299 	if (ops->cursor_state.hot.x || ops->cursor_state.hot.y ||  in bit_cursor()
300 	    ops->cursor_reset) {  in bit_cursor()
301 		ops->cursor_state.hot.x = cursor.hot.y = 0;  in bit_cursor()
306 	    vc->vc_cursor_type != ops->p->cursor_shape ||  in bit_cursor()
307 	    ops->cursor_state.mask == NULL ||  in bit_cursor()
308 	    ops->cursor_reset) {  in bit_cursor()
309 		char *mask = kmalloc_array(w, vc->vc_font.height, GFP_ATOMIC);  in bit_cursor()
316 		kfree(ops->cursor_state.mask);  in bit_cursor()
317 		ops->cursor_state.mask = mask;  in bit_cursor()
319 		ops->p->cursor_shape = vc->vc_cursor_type;  in bit_cursor()
322 		switch (CUR_SIZE(ops->p->cursor_shape)) {  in bit_cursor()
327 			cur_height = (vc->vc_font.height < 10) ? 1 : 2;  in bit_cursor()
330 			cur_height = vc->vc_font.height/3;  in bit_cursor()
333 			cur_height = vc->vc_font.height >> 1;  in bit_cursor()
336 			cur_height = (vc->vc_font.height << 1)/3;  in bit_cursor()
340 			cur_height = vc->vc_font.height;  in bit_cursor()
343 		size = (vc->vc_font.height - cur_height) * w;  in bit_cursor()
344 		while (size--)  in bit_cursor()
347 		while (size--)  in bit_cursor()
351 	ops->cursor_state.enable = enable && !use_sw;  in bit_cursor()
353 	cursor.image.data = src;  in bit_cursor()
354 	cursor.image.fg_color = ops->cursor_state.image.fg_color;  in bit_cursor()
355 	cursor.image.bg_color = ops->cursor_state.image.bg_color;  in bit_cursor()
356 	cursor.image.dx = ops->cursor_state.image.dx;  in bit_cursor()
357 	cursor.image.dy = ops->cursor_state.image.dy;  in bit_cursor()
358 	cursor.image.height = ops->cursor_state.image.height;  in bit_cursor()
359 	cursor.image.width = ops->cursor_state.image.width;  in bit_cursor()
360 	cursor.hot.x = ops->cursor_state.hot.x;  in bit_cursor()
361 	cursor.hot.y = ops->cursor_state.hot.y;  in bit_cursor()
362 	cursor.mask = ops->cursor_state.mask;  in bit_cursor()
363 	cursor.enable = ops->cursor_state.enable;  in bit_cursor()
367 	if (info->fbops->fb_cursor)  in bit_cursor()
368 		err = info->fbops->fb_cursor(info, &cursor);  in bit_cursor()
373 	ops->cursor_reset = 0;  in bit_cursor()
378 	struct fbcon_ops *ops = info->fbcon_par;  in bit_update_start()
381 	err = fb_pan_display(info, &ops->var);  in bit_update_start()
382 	ops->var.xoffset = info->var.xoffset;  in bit_update_start()
383 	ops->var.yoffset = info->var.yoffset;  in bit_update_start()
384 	ops->var.vmode = info->var.vmode;  in bit_update_start()
390 	ops->bmove = bit_bmove;  in fbcon_set_bitops()
391 	ops->clear = bit_clear;  in fbcon_set_bitops()
392 	ops->putcs = bit_putcs;  in fbcon_set_bitops()
393 	ops->clear_margins = bit_clear_margins;  in fbcon_set_bitops()
394 	ops->cursor = bit_cursor;  in fbcon_set_bitops()
395 	ops->update_start = bit_update_start;  in fbcon_set_bitops()
396 	ops->rotate_font = NULL;  in fbcon_set_bitops()
398 	if (ops->rotate)  in fbcon_set_bitops()