78 static int grvga_check_var(struct fb_var_screeninfo *var,  in grvga_check_var()  argument
84 	if (!var->xres)  in grvga_check_var()
85 		var->xres = 1;  in grvga_check_var()
86 	if (!var->yres)  in grvga_check_var()
87 		var->yres = 1;  in grvga_check_var()
88 	if (var->bits_per_pixel <= 8)  in grvga_check_var()
89 		var->bits_per_pixel = 8;  in grvga_check_var()
90 	else if (var->bits_per_pixel <= 16)  in grvga_check_var()
91 		var->bits_per_pixel = 16;  in grvga_check_var()
92 	else if (var->bits_per_pixel <= 24)  in grvga_check_var()
93 		var->bits_per_pixel = 24;  in grvga_check_var()
94 	else if (var->bits_per_pixel <= 32)  in grvga_check_var()
95 		var->bits_per_pixel = 32;  in grvga_check_var()
99 	var->xres_virtual = var->xres;  in grvga_check_var()
100 	var->yres_virtual = 2*var->yres;  in grvga_check_var()
103 		if ((var->yres_virtual*var->xres_virtual*var->bits_per_pixel/8) > info->fix.smem_len)  in grvga_check_var()
109 		if (var->pixclock == par->regs->clk_vector[i])  in grvga_check_var()
117 	switch (info->var.bits_per_pixel) {  in grvga_check_var()
119 		var->red   = (struct fb_bitfield) {0, 8, 0};      /* offset, length, msb-right */  in grvga_check_var()
120 		var->green = (struct fb_bitfield) {0, 8, 0};  in grvga_check_var()
121 		var->blue  = (struct fb_bitfield) {0, 8, 0};  in grvga_check_var()
122 		var->transp = (struct fb_bitfield) {0, 0, 0};  in grvga_check_var()
125 		var->red   = (struct fb_bitfield) {11, 5, 0};  in grvga_check_var()
126 		var->green = (struct fb_bitfield) {5, 6, 0};  in grvga_check_var()
127 		var->blue  = (struct fb_bitfield) {0, 5, 0};  in grvga_check_var()
128 		var->transp = (struct fb_bitfield) {0, 0, 0};  in grvga_check_var()
132 		var->red   = (struct fb_bitfield) {16, 8, 0};  in grvga_check_var()
133 		var->green = (struct fb_bitfield) {8, 8, 0};  in grvga_check_var()
134 		var->blue  = (struct fb_bitfield) {0, 8, 0};  in grvga_check_var()
135 		var->transp = (struct fb_bitfield) {24, 8, 0};  in grvga_check_var()
150 	__raw_writel(((info->var.yres - 1) << 16) | (info->var.xres - 1),  in grvga_set_par()
153 	__raw_writel((info->var.lower_margin << 16) | (info->var.right_margin),  in grvga_set_par()
156 	__raw_writel((info->var.vsync_len << 16) | (info->var.hsync_len),  in grvga_set_par()
159 …__raw_writel(((info->var.yres + info->var.lower_margin + info->var.upper_margin + info->var.vsync_…  in grvga_set_par()
160 		     (info->var.xres + info->var.right_margin + info->var.left_margin + info->var.hsync_len - 1),  in grvga_set_par()
163 	switch (info->var.bits_per_pixel) {  in grvga_set_par()
184 	info->fix.line_length = (info->var.xres_virtual*info->var.bits_per_pixel)/8;  in grvga_set_par()
196 	if (info->var.grayscale) {  in grvga_setcolreg()
205 	red    = CNVT_TOHW(red,   info->var.red.length);  in grvga_setcolreg()
206 	green  = CNVT_TOHW(green, info->var.green.length);  in grvga_setcolreg()
207 	blue   = CNVT_TOHW(blue,  info->var.blue.length);  in grvga_setcolreg()
208 	transp = CNVT_TOHW(transp, info->var.transp.length);  in grvga_setcolreg()
224 		v =     (red    << info->var.red.offset)   |  in grvga_setcolreg()
225 			(green  << info->var.green.offset) |  in grvga_setcolreg()
226 			(blue   << info->var.blue.offset)  |  in grvga_setcolreg()
227 			(transp << info->var.transp.offset);  in grvga_setcolreg()
234 static int grvga_pan_display(struct fb_var_screeninfo *var,  in grvga_pan_display()  argument
241 	if (var->xoffset != 0)  in grvga_pan_display()
244 	base_addr = fix->smem_start + (var->yoffset * fix->line_length);  in grvga_pan_display()
363 			if (grvga_parse_custom(this_opt, &info->var) < 0) {  in grvga_probe()
408 		retval = fb_find_mode(&info->var, info, mode_opt,  in grvga_probe()
417 		grvga_mem_size = info->var.xres_virtual * info->var.yres_virtual * info->var.bits_per_pixel/8;  in grvga_probe()
476 		 info->node, info->var.xres, info->var.yres, info->var.bits_per_pixel,  in grvga_probe()