120 static inline int h_total(struct fb_var_screeninfo *var)  in h_total()  argument
122 	return var->xres + var->left_margin +  in h_total()
123 		var->right_margin + var->hsync_len;  in h_total()
126 static inline int v_total(struct fb_var_screeninfo *var)  in v_total()  argument
128 	return var->yres + var->upper_margin +  in v_total()
129 		var->lower_margin + var->vsync_len;  in v_total()
296 static int sm501fb_check_var(struct fb_var_screeninfo *var,  in sm501fb_check_var()  argument
305 	if (var->hsync_len > 255 || var->vsync_len > 63)  in sm501fb_check_var()
309 	if ((var->xres + var->right_margin) > 4096)  in sm501fb_check_var()
313 	if ((var->yres + var->lower_margin) > 2048)  in sm501fb_check_var()
318 	if (h_total(var) > 4096 || v_total(var) > 2048)  in sm501fb_check_var()
323 	tmp = (var->xres * var->bits_per_pixel) / 8;  in sm501fb_check_var()
329 	if (var->xres_virtual > 4096 || var->yres_virtual > 2048)  in sm501fb_check_var()
334 	if (var->bits_per_pixel <= 8)  in sm501fb_check_var()
335 		var->bits_per_pixel = 8;  in sm501fb_check_var()
336 	else if (var->bits_per_pixel <= 16)  in sm501fb_check_var()
337 		var->bits_per_pixel = 16;  in sm501fb_check_var()
338 	else if (var->bits_per_pixel == 24)  in sm501fb_check_var()
339 		var->bits_per_pixel = 32;  in sm501fb_check_var()
342 	switch(var->bits_per_pixel) {  in sm501fb_check_var()
344 		var->red.length		= var->bits_per_pixel;  in sm501fb_check_var()
345 		var->red.offset		= 0;  in sm501fb_check_var()
346 		var->green.length	= var->bits_per_pixel;  in sm501fb_check_var()
347 		var->green.offset	= 0;  in sm501fb_check_var()
348 		var->blue.length	= var->bits_per_pixel;  in sm501fb_check_var()
349 		var->blue.offset	= 0;  in sm501fb_check_var()
350 		var->transp.length	= 0;  in sm501fb_check_var()
351 		var->transp.offset	= 0;  in sm501fb_check_var()
357 			var->blue.offset	= 11;  in sm501fb_check_var()
358 			var->green.offset	= 5;  in sm501fb_check_var()
359 			var->red.offset		= 0;  in sm501fb_check_var()
361 			var->red.offset		= 11;  in sm501fb_check_var()
362 			var->green.offset	= 5;  in sm501fb_check_var()
363 			var->blue.offset	= 0;  in sm501fb_check_var()
365 		var->transp.offset	= 0;  in sm501fb_check_var()
367 		var->red.length		= 5;  in sm501fb_check_var()
368 		var->green.length	= 6;  in sm501fb_check_var()
369 		var->blue.length	= 5;  in sm501fb_check_var()
370 		var->transp.length	= 0;  in sm501fb_check_var()
375 			var->transp.offset	= 0;  in sm501fb_check_var()
376 			var->red.offset		= 8;  in sm501fb_check_var()
377 			var->green.offset	= 16;  in sm501fb_check_var()
378 			var->blue.offset	= 24;  in sm501fb_check_var()
380 			var->transp.offset	= 24;  in sm501fb_check_var()
381 			var->red.offset		= 16;  in sm501fb_check_var()
382 			var->green.offset	= 8;  in sm501fb_check_var()
383 			var->blue.offset	= 0;  in sm501fb_check_var()
386 		var->red.length		= 8;  in sm501fb_check_var()
387 		var->green.length	= 8;  in sm501fb_check_var()
388 		var->blue.length	= 8;  in sm501fb_check_var()
389 		var->transp.length	= 0;  in sm501fb_check_var()
406 static int sm501fb_check_var_crt(struct fb_var_screeninfo *var,  in sm501fb_check_var_crt()  argument
409 	return sm501fb_check_var(var, info);  in sm501fb_check_var_crt()
418 static int sm501fb_check_var_pnl(struct fb_var_screeninfo *var,  in sm501fb_check_var_pnl()  argument
421 	return sm501fb_check_var(var, info);  in sm501fb_check_var_pnl()
430 				  struct fb_var_screeninfo *var)  in sm501fb_set_par_common()  argument
442 		__func__, var->xres, var->yres, var->bits_per_pixel,  in sm501fb_set_par_common()
443 		var->xres_virtual, var->yres_virtual);  in sm501fb_set_par_common()
464 	switch (var->bits_per_pixel) {  in sm501fb_set_par_common()
479 	info->fix.line_length = (var->xres_virtual * var->bits_per_pixel)/8;  in sm501fb_set_par_common()
480 	smem_len = info->fix.line_length * var->yres_virtual;  in sm501fb_set_par_common()
505 	pixclock = sm501fb_ps_to_hz(var->pixclock);  in sm501fb_set_par_common()
511 	var->pixclock = sm501fb_hz_to_ps(sm501pixclock);  in sm501fb_set_par_common()
515 	       __func__, var->pixclock, pixclock, sm501pixclock,  in sm501fb_set_par_common()
527 				     struct fb_var_screeninfo *var)  in sm501fb_set_par_geometry()  argument
542 	reg |= ((var->xres * var->bits_per_pixel)/8) << 16;  in sm501fb_set_par_geometry()
549 	reg  = (h_total(var) - 1) << 16;  in sm501fb_set_par_geometry()
550 	reg |= (var->xres - 1);  in sm501fb_set_par_geometry()
556 	reg  = var->hsync_len << 16;  in sm501fb_set_par_geometry()
557 	reg |= var->xres + var->right_margin - 1;  in sm501fb_set_par_geometry()
563 	reg  = (v_total(var) - 1) << 16;  in sm501fb_set_par_geometry()
564 	reg |= (var->yres - 1);  in sm501fb_set_par_geometry()
569 	reg  = var->vsync_len << 16;  in sm501fb_set_par_geometry()
570 	reg |= var->yres + var->lower_margin - 1;  in sm501fb_set_par_geometry()
580 static int sm501fb_pan_crt(struct fb_var_screeninfo *var,  in sm501fb_pan_crt()  argument
585 	unsigned int bytes_pixel = info->var.bits_per_pixel / 8;  in sm501fb_pan_crt()
589 	xoffs = var->xoffset * bytes_pixel;  in sm501fb_pan_crt()
598 	       var->yoffset * info->fix.line_length);  in sm501fb_pan_crt()
610 static int sm501fb_pan_pnl(struct fb_var_screeninfo *var,  in sm501fb_pan_pnl()  argument
617 	reg = var->xoffset | (info->var.xres_virtual << 16);  in sm501fb_pan_pnl()
620 	reg = var->yoffset | (info->var.yres_virtual << 16);  in sm501fb_pan_pnl()
636 	struct fb_var_screeninfo *var = &info->var;  in sm501fb_set_par_crt()  local
658 	if ((var->sync & FB_SYNC_HOR_HIGH_ACT) == 0)  in sm501fb_set_par_crt()
661 	if ((var->sync & FB_SYNC_VERT_HIGH_ACT) == 0)  in sm501fb_set_par_crt()
672 	ret = sm501fb_set_par_common(info, var);  in sm501fb_set_par_crt()
678 	sm501fb_pan_crt(var, info);  in sm501fb_set_par_crt()
679 	sm501fb_set_par_geometry(info, var);  in sm501fb_set_par_crt()
683 	switch(var->bits_per_pixel) {  in sm501fb_set_par_crt()
806 	struct fb_var_screeninfo *var = &info->var;  in sm501fb_set_par_pnl()  local
815 	ret = sm501fb_set_par_common(info, var);  in sm501fb_set_par_pnl()
819 	sm501fb_pan_pnl(var, info);  in sm501fb_set_par_pnl()
820 	sm501fb_set_par_geometry(info, var);  in sm501fb_set_par_pnl()
839 	switch(var->bits_per_pixel) {  in sm501fb_set_par_pnl()
864 	reg  = var->xres - 1;  in sm501fb_set_par_pnl()
865 	reg |= (var->yres - 1) << 16;  in sm501fb_set_par_pnl()
874 	if ((var->sync & FB_SYNC_HOR_HIGH_ACT) == 0)  in sm501fb_set_par_pnl()
877 	if ((var->sync & FB_SYNC_VERT_HIGH_ACT) == 0)  in sm501fb_set_par_pnl()
935 			val  = chan_to_field(red,   &info->var.red);  in sm501fb_setcolreg()
936 			val |= chan_to_field(green, &info->var.green);  in sm501fb_setcolreg()
937 			val |= chan_to_field(blue,  &info->var.blue);  in sm501fb_setcolreg()
1309 	if ((sx >= info->var.xres_virtual) ||  in sm501fb_copyarea()
1310 	    (sy >= info->var.yres_virtual))  in sm501fb_copyarea()
1313 	if ((sx + width) >= info->var.xres_virtual)  in sm501fb_copyarea()
1314 		width = info->var.xres_virtual - sx - 1;  in sm501fb_copyarea()
1315 	if ((sy + height) >= info->var.yres_virtual)  in sm501fb_copyarea()
1316 		height = info->var.yres_virtual - sy - 1;  in sm501fb_copyarea()
1319 	if ((dx >= info->var.xres_virtual) ||  in sm501fb_copyarea()
1320 	    (dy >= info->var.yres_virtual))  in sm501fb_copyarea()
1323 	if ((dx + width) >= info->var.xres_virtual)  in sm501fb_copyarea()
1324 		width = info->var.xres_virtual - dx - 1;  in sm501fb_copyarea()
1325 	if ((dy + height) >= info->var.yres_virtual)  in sm501fb_copyarea()
1326 		height = info->var.yres_virtual - dy - 1;  in sm501fb_copyarea()
1345 	smc501_writel((info->var.xres << 16) | info->var.xres,  in sm501fb_copyarea()
1349 	smc501_writel((info->var.xres_virtual << 16) | info->var.xres_virtual,  in sm501fb_copyarea()
1353 	switch (info->var.bits_per_pixel) {  in sm501fb_copyarea()
1388 	if ((rect->dx >= info->var.xres_virtual) ||  in sm501fb_fillrect()
1389 	    (rect->dy >= info->var.yres_virtual))  in sm501fb_fillrect()
1392 	if ((rect->dx + width) >= info->var.xres_virtual)  in sm501fb_fillrect()
1393 		width = info->var.xres_virtual - rect->dx - 1;  in sm501fb_fillrect()
1394 	if ((rect->dy + height) >= info->var.yres_virtual)  in sm501fb_fillrect()
1395 		height = info->var.yres_virtual - rect->dy - 1;  in sm501fb_fillrect()
1406 	smc501_writel((info->var.xres << 16) | info->var.xres,  in sm501fb_fillrect()
1410 	smc501_writel((info->var.xres_virtual << 16) | info->var.xres_virtual,  in sm501fb_fillrect()
1414 	switch (info->var.bits_per_pixel) {  in sm501fb_fillrect()
1751 	fb->var.nonstd		= 0;  in sm501fb_init_fb()
1752 	fb->var.activate	= FB_ACTIVATE_NOW;  in sm501fb_init_fb()
1753 	fb->var.accel_flags	= 0;  in sm501fb_init_fb()
1754 	fb->var.vmode		= FB_VMODE_NONINTERLACED;  in sm501fb_init_fb()
1755 	fb->var.bits_per_pixel  = 16;  in sm501fb_init_fb()
1770 			fb_videomode_to_var(&fb->var, pd->def_mode);  in sm501fb_init_fb()
1772 			fb->var.bits_per_pixel = pd->def_bpp ? pd->def_bpp : 8;  in sm501fb_init_fb()
1773 			fb->var.xres_virtual = fb->var.xres;  in sm501fb_init_fb()
1774 			fb->var.yres_virtual = fb->var.yres;  in sm501fb_init_fb()
1777 				ret = fb_find_mode(&fb->var, fb, fb_mode,  in sm501fb_init_fb()
1784 				ret = fb_find_mode(&fb->var, fb,  in sm501fb_init_fb()
1819 	ret = (fb->fbops->fb_check_var)(&fb->var, fb);  in sm501fb_init_fb()