video/fbdev/vt8500lcdfb.c

49 	if (info->var.bits_per_pixel <= 8) {
51 		info->var.red.offset    = 0;
52 		info->var.red.length    = info->var.bits_per_pixel;
53 		info->var.red.msb_right = 0;
55 		info->var.green.offset  = 0;
56 		info->var.green.length  = info->var.bits_per_pixel;
57 		info->var.green.msb_right = 0;
59 		info->var.blue.offset   = 0;
60 		info->var.blue.length   = info->var.bits_per_pixel;
61 		info->var.blue.msb_right = 0;
63 		info->var.transp.offset = 0;
64 		info->var.transp.length = 0;
65 		info->var.transp.msb_right = 0;
68 		info->fix.line_length = info->var.xres_virtual /
69 						(8/info->var.bits_per_pixel);
72 		info->var.transp.offset = 0;
73 		info->var.transp.length = 0;
74 		info->var.transp.msb_right = 0;
76 		if (info->var.bits_per_pixel == 16) {
78 			info->var.red.offset = 11;
79 			info->var.red.length = 5;
80 			info->var.red.msb_right = 0;
81 			info->var.green.offset = 5;
82 			info->var.green.length = 6;
83 			info->var.green.msb_right = 0;
84 			info->var.blue.offset = 0;
85 			info->var.blue.length = 5;
86 			info->var.blue.msb_right = 0;
89 			info->var.red.offset = info->var.bits_per_pixel
91 			info->var.red.length = info->var.bits_per_pixel / 3;
92 			info->var.red.msb_right = 0;
93 			info->var.green.offset = info->var.bits_per_pixel / 3;
94 			info->var.green.length = info->var.bits_per_pixel / 3;
95 			info->var.green.msb_right = 0;
96 			info->var.blue.offset = 0;
97 			info->var.blue.length = info->var.bits_per_pixel / 3;
98 			info->var.blue.msb_right = 0;
102 		info->fix.line_length = info->var.bits_per_pixel > 16 ?
103 					info->var.xres_virtual << 2 :
104 					info->var.xres_virtual << 1;
108 		if (bpp_values[i] == info->var.bits_per_pixel)
116 	writel((((info->var.hsync_len - 1) & 0x3f) << 26)
117 		| ((info->var.left_margin & 0xff) << 18)
118 		| (((info->var.xres - 1) & 0x3ff) << 8)
119 		| (info->var.right_margin & 0xff), fbi->regbase + 0x4);
120 	writel((((info->var.vsync_len - 1) & 0x3f) << 26)
121 		| ((info->var.upper_margin & 0xff) << 18)
122 		| (((info->var.yres - 1) & 0x3ff) << 8)
123 		| (info->var.lower_margin & 0xff), fbi->regbase + 0x8);
124 	writel((((info->var.yres - 1) & 0x400) << 2)
125 		| ((info->var.xres - 1) & 0x400), fbi->regbase + 0x10);
148 	if (info->var.grayscale)
157 			val  = chan_to_field(red, &fbi->fb.var.red);
158 			val |= chan_to_field(green, &fbi->fb.var.green);
159 			val |= chan_to_field(blue, &fbi->fb.var.blue);
200 static int vt8500lcd_pan_display(struct fb_var_screeninfo *var,
203 	unsigned pixlen = info->fix.line_length / info->var.xres_virtual;
204 	unsigned off = pixlen * var->xoffset
205 		      + info->fix.line_length * var->yoffset;
209 	     | (((info->var.xres_virtual - info->var.xres) * pixlen / 4) << 20)
298 	fbi->fb.var.nonstd	= 0;
299 	fbi->fb.var.activate	= FB_ACTIVATE_NOW;
300 	fbi->fb.var.height	= -1;
301 	fbi->fb.var.width	= -1;
302 	fbi->fb.var.vmode	= FB_VMODE_NONINTERLACED;
396 	fb_videomode_to_var(&fbi->fb.var, &of_mode);
398 	fbi->fb.var.xres_virtual	= of_mode.xres;
399 	fbi->fb.var.yres_virtual	= of_mode.yres * 2;
400 	fbi->fb.var.bits_per_pixel	= bpp;