46 static inline int h_total(struct fb_var_screeninfo *var)  in h_total()  argument
48 	return var->xres + var->left_margin +  in h_total()
49 		var->right_margin + var->hsync_len;  in h_total()
52 static inline int v_total(struct fb_var_screeninfo *var)  in v_total()  argument
54 	return var->yres + var->upper_margin +  in v_total()
55 		var->lower_margin + var->vsync_len;  in v_total()
58 static inline int hsp(struct fb_var_screeninfo *var)  in hsp()  argument
60 	return var->xres + var->right_margin - 1;  in hsp()
63 static inline int vsp(struct fb_var_screeninfo *var)  in vsp()  argument
65 	return var->yres + var->lower_margin - 1;  in vsp()
68 static inline int d_pitch(struct fb_var_screeninfo *var)  in d_pitch()  argument
70 	return var->xres * var->bits_per_pixel / 8;  in d_pitch()
91 			val  = chan_to_field(red,   &info->var.red);  in mb862xxfb_setcolreg()
92 			val |= chan_to_field(green, &info->var.green);  in mb862xxfb_setcolreg()
93 			val |= chan_to_field(blue,  &info->var.blue);  in mb862xxfb_setcolreg()
111 static int mb862xxfb_check_var(struct fb_var_screeninfo *var,  in mb862xxfb_check_var()  argument
120 	if (var->hsync_len > 255 || var->vsync_len > 255)  in mb862xxfb_check_var()
123 	if ((var->xres + var->right_margin) >= 4096)  in mb862xxfb_check_var()
126 	if ((var->yres + var->lower_margin) > 4096)  in mb862xxfb_check_var()
129 	if (h_total(var) > 4096 || v_total(var) > 4096)  in mb862xxfb_check_var()
132 	if (var->xres_virtual > 4096 || var->yres_virtual > 4096)  in mb862xxfb_check_var()
135 	if (var->bits_per_pixel <= 8)  in mb862xxfb_check_var()
136 		var->bits_per_pixel = 8;  in mb862xxfb_check_var()
137 	else if (var->bits_per_pixel <= 16)  in mb862xxfb_check_var()
138 		var->bits_per_pixel = 16;  in mb862xxfb_check_var()
139 	else if (var->bits_per_pixel <= 32)  in mb862xxfb_check_var()
140 		var->bits_per_pixel = 32;  in mb862xxfb_check_var()
146 	if (d_pitch(&fbi->var) % GC_L0M_L0W_UNIT) {  in mb862xxfb_check_var()
149 		var->bits_per_pixel = 0;  in mb862xxfb_check_var()
151 			var->bits_per_pixel += 8;  in mb862xxfb_check_var()
152 			r = d_pitch(&fbi->var) % GC_L0M_L0W_UNIT;  in mb862xxfb_check_var()
153 		} while (r && var->bits_per_pixel <= 32);  in mb862xxfb_check_var()
155 		if (d_pitch(&fbi->var) % GC_L0M_L0W_UNIT)  in mb862xxfb_check_var()
160 	tmp = (var->xres * var->bits_per_pixel) / 8;  in mb862xxfb_check_var()
165 	switch (var->bits_per_pixel) {  in mb862xxfb_check_var()
167 		var->red.length		= var->bits_per_pixel;  in mb862xxfb_check_var()
168 		var->green.length	= var->bits_per_pixel;  in mb862xxfb_check_var()
169 		var->blue.length	= var->bits_per_pixel;  in mb862xxfb_check_var()
170 		var->red.offset		= 0;  in mb862xxfb_check_var()
171 		var->green.offset	= 0;  in mb862xxfb_check_var()
172 		var->blue.offset	= 0;  in mb862xxfb_check_var()
173 		var->transp.length	= 0;  in mb862xxfb_check_var()
176 		var->red.length		= 5;  in mb862xxfb_check_var()
177 		var->green.length	= 5;  in mb862xxfb_check_var()
178 		var->blue.length	= 5;  in mb862xxfb_check_var()
179 		var->red.offset		= 10;  in mb862xxfb_check_var()
180 		var->green.offset	= 5;  in mb862xxfb_check_var()
181 		var->blue.offset	= 0;  in mb862xxfb_check_var()
182 		var->transp.length	= 0;  in mb862xxfb_check_var()
186 		var->transp.length	= 8;  in mb862xxfb_check_var()
187 		var->red.length		= 8;  in mb862xxfb_check_var()
188 		var->green.length	= 8;  in mb862xxfb_check_var()
189 		var->blue.length	= 8;  in mb862xxfb_check_var()
190 		var->transp.offset	= 24;  in mb862xxfb_check_var()
191 		var->red.offset		= 16;  in mb862xxfb_check_var()
192 		var->green.offset	= 8;  in mb862xxfb_check_var()
193 		var->blue.offset	= 0;  in mb862xxfb_check_var()
211 		mb862xxfb_init_accel(fbi, fbi->var.xres);  in mb862xxfb_set_par()
222 	sc = par->refclk / (1000000 / fbi->var.pixclock) - 1;  in mb862xxfb_set_par()
230 	reg =  pack(d_pitch(&fbi->var) / GC_L0M_L0W_UNIT,  in mb862xxfb_set_par()
231 		    (fbi->var.yres - 1));  in mb862xxfb_set_par()
232 	if (fbi->var.bits_per_pixel == 16)  in mb862xxfb_set_par()
236 	if (fbi->var.bits_per_pixel == 32) {  in mb862xxfb_set_par()
241 	reg = pack(fbi->var.yres - 1, fbi->var.xres);  in mb862xxfb_set_par()
255 	reg = pack(fbi->var.xres - 1, fbi->var.xres - 1);  in mb862xxfb_set_par()
257 	reg = pack((fbi->var.yres - 1), vsp(&fbi->var));  in mb862xxfb_set_par()
259 	reg = ((fbi->var.vsync_len - 1) << 24) |  in mb862xxfb_set_par()
260 	      pack((fbi->var.hsync_len - 1), hsp(&fbi->var));  in mb862xxfb_set_par()
262 	outreg(disp, GC_HTP, pack(h_total(&fbi->var) - 1, 0));  in mb862xxfb_set_par()
263 	outreg(disp, GC_VTR, pack(v_total(&fbi->var) - 1, 0));  in mb862xxfb_set_par()
273 static int mb862xxfb_pan(struct fb_var_screeninfo *var,  in mb862xxfb_pan()  argument
279 	reg = pack(var->yoffset, var->xoffset);  in mb862xxfb_pan()
282 	reg = pack(info->var.yres_virtual, info->var.xres_virtual);  in mb862xxfb_pan()
452 		fbi->var.pixclock = (sc * 1000000) / par->refclk;  in mb862xxfb_init_fbinfo()
453 		fbi->var.xres = (inreg(disp, GC_HDB_HDP) & 0x0fff) + 1;  in mb862xxfb_init_fbinfo()
455 		fbi->var.yres = ((reg >> 16) & 0x0fff) + 1;  in mb862xxfb_init_fbinfo()
457 		fbi->var.xres_virtual = fbi->var.xres;  in mb862xxfb_init_fbinfo()
458 		fbi->var.yres_virtual = fbi->var.yres;  in mb862xxfb_init_fbinfo()
461 			fbi->var.bits_per_pixel = 32;  in mb862xxfb_init_fbinfo()
465 				fbi->var.bits_per_pixel = 16;  in mb862xxfb_init_fbinfo()
467 				fbi->var.bits_per_pixel = 8;  in mb862xxfb_init_fbinfo()
470 		fbi->var.hsync_len = ((reg & 0xff0000) >> 16) + 1;  in mb862xxfb_init_fbinfo()
471 		fbi->var.vsync_len = ((reg & 0x3f000000) >> 24) + 1;  in mb862xxfb_init_fbinfo()
474 		fbi->var.right_margin = hsp - fbi->var.xres;  in mb862xxfb_init_fbinfo()
475 		fbi->var.left_margin = ht - hsp - fbi->var.hsync_len;  in mb862xxfb_init_fbinfo()
477 		fbi->var.lower_margin = vsp - fbi->var.yres;  in mb862xxfb_init_fbinfo()
478 		fbi->var.upper_margin = vt - vsp - fbi->var.vsync_len;  in mb862xxfb_init_fbinfo()
481 		fb_videomode_to_var(&fbi->var, (struct fb_videomode *)mode);  in mb862xxfb_init_fbinfo()
482 		fbi->var.bits_per_pixel = mode->def_bpp ? mode->def_bpp : 8;  in mb862xxfb_init_fbinfo()
486 		ret = fb_find_mode(&fbi->var, fbi, "640x480-16@60",  in mb862xxfb_init_fbinfo()
495 	fbi->var.xoffset = 0;  in mb862xxfb_init_fbinfo()
496 	fbi->var.yoffset = 0;  in mb862xxfb_init_fbinfo()
497 	fbi->var.grayscale = 0;  in mb862xxfb_init_fbinfo()
498 	fbi->var.nonstd = 0;  in mb862xxfb_init_fbinfo()
499 	fbi->var.height = -1;  in mb862xxfb_init_fbinfo()
500 	fbi->var.width = -1;  in mb862xxfb_init_fbinfo()
501 	fbi->var.accel_flags = 0;  in mb862xxfb_init_fbinfo()
502 	fbi->var.vmode = FB_VMODE_NONINTERLACED;  in mb862xxfb_init_fbinfo()
503 	fbi->var.activate = FB_ACTIVATE_NOW;  in mb862xxfb_init_fbinfo()
512 	if ((fbi->fbops->fb_check_var)(&fbi->var, fbi))  in mb862xxfb_init_fbinfo()
515 	fbi->fix.visual = fbi->var.bits_per_pixel == 8 ?  in mb862xxfb_init_fbinfo()
517 	fbi->fix.line_length = (fbi->var.xres_virtual *  in mb862xxfb_init_fbinfo()
518 				fbi->var.bits_per_pixel) / 8;  in mb862xxfb_init_fbinfo()
519 	fbi->fix.smem_len = fbi->fix.line_length * fbi->var.yres_virtual;  in mb862xxfb_init_fbinfo()
535 	stride = par->l1_cfg.sw * (fbi->var.bits_per_pixel / 8);  in mb862xxfb_init_fbinfo()