video/fbdev/au1200fb.c

1002 static void au1200fb_update_fbinfo(struct fb_info *fbi)
1008 		if (fbi->var.bits_per_pixel <= 8) {
1010 			fbi->fix.visual = FB_VISUAL_PSEUDOCOLOR;
1011 			fbi->fix.line_length = fbi->var.xres_virtual /
1012 				(8/fbi->var.bits_per_pixel);
1015 			fbi->fix.visual = FB_VISUAL_TRUECOLOR;
1016 			fbi->fix.line_length = fbi->var.xres_virtual * (fbi->var.bits_per_pixel / 8);
1020 		fbi->fix.visual = FB_VISUAL_MONO10;
1021 		fbi->fix.line_length = fbi->var.xres_virtual / 8;
1024 	fbi->screen_size = fbi->fix.line_length * fbi->var.yres_virtual;
1025 	print_dbg("line length: %d\n", fbi->fix.line_length);
1026 	print_dbg("bits_per_pixel: %d\n", fbi->var.bits_per_pixel);
1037 	struct fb_info *fbi)
1039 	struct au1200fb_device *fbdev = fbi->par;
1070 	pixclock = max((u32)(PICOS2KHZ(var->pixclock) * 1000), fbi->monspecs.dclkmin);
1071 	pixclock = min3(pixclock, fbi->monspecs.dclkmax, (u32)AU1200_LCD_MAX_CLK/2);
1132 static int au1200fb_fb_set_par(struct fb_info *fbi)
1134 	struct au1200fb_device *fbdev = fbi->par;
1136 	au1200fb_update_fbinfo(fbi);
1146 	unsigned blue, unsigned transp, struct fb_info *fbi)
1154 	if (fbi->var.grayscale) {
1160 	if (fbi->fix.visual == FB_VISUAL_TRUECOLOR) {
1165 		palette = (u32*) fbi->pseudo_palette;
1167 		red   >>= (16 - fbi->var.red.length);
1168 		green >>= (16 - fbi->var.green.length);
1169 		blue  >>= (16 - fbi->var.blue.length);
1171 		value = (red   << fbi->var.red.offset) 	|
1172 			(green << fbi->var.green.offset)|
1173 			(blue  << fbi->var.blue.offset);
1201 static int au1200fb_fb_blank(int blank_mode, struct fb_info *fbi)
1203 	struct au1200fb_device *fbdev = fbi->par;
1521 	struct fb_info *fbi = fbdev->fb_info;
1524 	fbi->fbops = &au1200fb_fb_ops;
1532 	memcpy(&fbi->monspecs, &panel->monspecs, sizeof(struct fb_monspecs));
1537 	if (!fb_find_mode(&fbi->var,
1538 			  fbi,
1540 			  fbi->monspecs.modedb,
1541 			  fbi->monspecs.modedb_len,
1542 			  fbi->monspecs.modedb,
1549 	fbi->pseudo_palette = kcalloc(16, sizeof(u32), GFP_KERNEL);
1550 	if (!fbi->pseudo_palette)
1553 	ret = fb_alloc_cmap(&fbi->cmap, AU1200_LCD_NBR_PALETTE_ENTRIES, 0);
1560 	strscpy(fbi->fix.id, "AU1200");
1561 	fbi->fix.smem_start = fbdev->fb_phys;
1562 	fbi->fix.smem_len = fbdev->fb_len;
1563 	fbi->fix.type = FB_TYPE_PACKED_PIXELS;
1564 	fbi->fix.xpanstep = 0;
1565 	fbi->fix.ypanstep = 0;
1566 	fbi->fix.mmio_start = 0;
1567 	fbi->fix.mmio_len = 0;
1568 	fbi->fix.accel = FB_ACCEL_NONE;
1570 	fbi->flags |= FBINFO_VIRTFB;
1572 	fbi->screen_buffer = fbdev->fb_mem;
1574 	au1200fb_update_fbinfo(fbi);
1652 	struct fb_info *fbi = NULL;
1679 		fbi = framebuffer_alloc(sizeof(struct au1200fb_device),
1681 		if (!fbi) {
1686 		_au1200fb_infos[plane] = fbi;
1687 		fbdev = fbi->par;
1688 		fbdev->fb_info = fbi;
1716 		ret = register_framebuffer(fbi);
1722 		au1200fb_fb_set_par(fbi);
1747 		fbi = _au1200fb_infos[plane];
1748 		if (!fbi)
1752 		unregister_framebuffer(fbi);
1753 		if (fbi->cmap.len != 0)
1754 			fb_dealloc_cmap(&fbi->cmap);
1755 		kfree(fbi->pseudo_palette);
1757 		framebuffer_release(fbi);
1766 	struct fb_info *fbi;
1773 		fbi = _au1200fb_infos[plane];
1776 		unregister_framebuffer(fbi);
1777 		if (fbi->cmap.len != 0)
1778 			fb_dealloc_cmap(&fbi->cmap);
1779 		kfree(fbi->pseudo_palette);
1781 		framebuffer_release(fbi);
1803 	struct fb_info *fbi;
1810 		fbi = _au1200fb_infos[i];
1811 		au1200fb_fb_set_par(fbi);