2  * linux/drivers/video/hitfb.c -- Hitachi LCD frame buffer device
30 #define	WIDTH 640  macro
34 	.height		= -1,
35 	.width		= -1,
76 					u16 width, u16 height)  in hitfb_accel_set_dest()  argument
78 	u32 saddr = WIDTH * dy + dx;  in hitfb_accel_set_dest()
82 	hitfb_writew(width-1, HD64461_BBTDWR);  in hitfb_accel_set_dest()
83 	hitfb_writew(height-1, HD64461_BBTDHR);  in hitfb_accel_set_dest()
91 				      u16 dy, u16 width, u16 height, u16 rop,  in hitfb_accel_bitblt()  argument
97 	height--;  in hitfb_accel_bitblt()
98 	width--;  in hitfb_accel_bitblt()
101 		saddr = WIDTH * (sy + height) + sx + width;  in hitfb_accel_bitblt()
102 		daddr = WIDTH * (dy + height) + dx + width;  in hitfb_accel_bitblt()
105 				maddr = ((width >> 3) + 1) * (height + 1) - 1;  in hitfb_accel_bitblt()
108 				    (((width >> 4) + 1) * (height + 1) - 1) * 2;  in hitfb_accel_bitblt()
114 		saddr = WIDTH * sy + sx;  in hitfb_accel_bitblt()
115 		daddr = WIDTH * dy + dx;  in hitfb_accel_bitblt()
126 	hitfb_writew(width, HD64461_BBTDWR);  in hitfb_accel_bitblt()
142 	if (rect->rop != ROP_COPY)  in hitfb_fillrect()
149 		if (p->var.bits_per_pixel == 16) {  in hitfb_fillrect()
150 			hitfb_writew(((u32 *) (p->pseudo_palette))[rect->color],  in hitfb_fillrect()
152 			hitfb_accel_set_dest(1, rect->dx, rect->dy, rect->width,  in hitfb_fillrect()
153 					     rect->height);  in hitfb_fillrect()
156 			hitfb_writew(rect->color, HD64461_GRSCR);  in hitfb_fillrect()
157 			hitfb_accel_set_dest(0, rect->dx, rect->dy, rect->width,  in hitfb_fillrect()
158 					     rect->height);  in hitfb_fillrect()
167 	hitfb_accel_bitblt(p->var.bits_per_pixel == 16, area->sx, area->sy,  in hitfb_copyarea()
168 			   area->dx, area->dy, area->width, area->height,  in hitfb_copyarea()
175 	int xoffset = var->xoffset;  in hitfb_pan_display()
176 	int yoffset = var->yoffset;  in hitfb_pan_display()
179 		return -EINVAL;  in hitfb_pan_display()
181 	hitfb_writew((yoffset*info->fix.line_length)>>10, HD64461_LCDCBAR);  in hitfb_pan_display()
228 	switch (info->var.bits_per_pixel) {  in hitfb_setcolreg()
238 		((u32 *) (info->pseudo_palette))[regno] =  in hitfb_setcolreg()
257 	var->xres = info->var.xres;  in hitfb_check_var()
258 	var->xres_virtual = info->var.xres;  in hitfb_check_var()
259 	var->yres = info->var.yres;  in hitfb_check_var()
261 	if ((var->bits_per_pixel != 8) && (var->bits_per_pixel != 16))  in hitfb_check_var()
262 		var->bits_per_pixel = info->var.bits_per_pixel;  in hitfb_check_var()
264 	if (var->yres_virtual < var->yres)  in hitfb_check_var()
265 		var->yres_virtual = var->yres;  in hitfb_check_var()
267 	maxy = info->fix.smem_len / var->xres;  in hitfb_check_var()
269 	if (var->bits_per_pixel == 16)  in hitfb_check_var()
272 	if (var->yres_virtual > maxy)  in hitfb_check_var()
273 		var->yres_virtual = maxy;  in hitfb_check_var()
275 	var->xoffset = 0;  in hitfb_check_var()
276 	var->yoffset = 0;  in hitfb_check_var()
278 	switch (var->bits_per_pixel) {  in hitfb_check_var()
280 		var->red.offset = 0;  in hitfb_check_var()
281 		var->red.length = 8;  in hitfb_check_var()
282 		var->green.offset = 0;  in hitfb_check_var()
283 		var->green.length = 8;  in hitfb_check_var()
284 		var->blue.offset = 0;  in hitfb_check_var()
285 		var->blue.length = 8;  in hitfb_check_var()
286 		var->transp.offset = 0;  in hitfb_check_var()
287 		var->transp.length = 0;  in hitfb_check_var()
290 		var->red.offset = 11;  in hitfb_check_var()
291 		var->red.length = 5;  in hitfb_check_var()
292 		var->green.offset = 5;  in hitfb_check_var()
293 		var->green.length = 6;  in hitfb_check_var()
294 		var->blue.offset = 0;  in hitfb_check_var()
295 		var->blue.length = 5;  in hitfb_check_var()
296 		var->transp.offset = 0;  in hitfb_check_var()
297 		var->transp.length = 0;  in hitfb_check_var()
308 	switch (info->var.bits_per_pixel) {  in hitfb_set_par()
310 		info->fix.line_length = info->var.xres;  in hitfb_set_par()
311 		info->fix.visual = FB_VISUAL_PSEUDOCOLOR;  in hitfb_set_par()
312 		info->fix.ypanstep = 16;  in hitfb_set_par()
315 		info->fix.line_length = info->var.xres*2;  in hitfb_set_par()
316 		info->fix.visual = FB_VISUAL_TRUECOLOR;  in hitfb_set_par()
317 		info->fix.ypanstep = 8;  in hitfb_set_par()
321 	hitfb_writew(info->fix.line_length, HD64461_LCDCLOR);  in hitfb_set_par()
324 	ldr3 |= (info->var.bits_per_pixel == 8) ? 4 : 8;  in hitfb_set_par()
351 		return -ENODEV;  in hitfb_probe()
402 	info = framebuffer_alloc(sizeof(u32) * 16, &dev->dev);  in hitfb_probe()
404 		return -ENOMEM;  in hitfb_probe()
406 	info->fbops = &hitfb_ops;  in hitfb_probe()
407 	info->var = hitfb_var;  in hitfb_probe()
408 	info->fix = hitfb_fix;  in hitfb_probe()
409 	info->pseudo_palette = info->par;  in hitfb_probe()
410 	info->flags = FBINFO_HWACCEL_YPAN |  in hitfb_probe()
413 	info->screen_base = (char __iomem *)(uintptr_t)hitfb_fix.smem_start;  in hitfb_probe()
415 	ret = fb_alloc_cmap(&info->cmap, 256, 0);  in hitfb_probe()
425 	fb_info(info, "%s frame buffer device\n", info->fix.id);  in hitfb_probe()
430 	fb_dealloc_cmap(&info->cmap);  in hitfb_probe()
441 	fb_dealloc_cmap(&info->cmap);  in hitfb_remove()
445 static int hitfb_suspend(struct device *dev)  in hitfb_suspend()
457 static int hitfb_resume(struct device *dev)  in hitfb_resume()
488 	.id	= -1,