Re: [PATCH] pm3fb: preliminary support for 2.6 kernel

["Antonino A. Daplas" <adaplas@gmail.com>]

On Sun, 2007-05-06 at 22:47 +0200, Krzysztof Helt wrote:
> From: Krzysztof Helt <krzysztof.h1@wp.pl>
> 
> This is a basic port from 2.4 kernel to 2.6. Acceleration is lost
> and big endian support probably too. The driver works in 8, 16
> and 32 bit mode.
> 

Thanks for doing this.  I change the VESA_* constants to FB_BLANK_*
constants. It's just a simple substitution, but let me know if it's
correct. (I don't know what to do with FB_BLANK_UNBLANK.)

Tony

static int pm3fb_blank(int blank_mode, struct fb_info *info)
{
	struct pm3_par *par = info->par;
	u32 video = par->video;

	/*
	 * Oxygen VX1 - it appears that setting PM3VideoControl and
	 * then PM3RD_SyncControl to the same SYNC settings undoes
	 * any net change - they seem to xor together.  Only set the
	 * sync options in PM3RD_SyncControl.  --rmk
	 */
	video &= ~(PM3VideoControl_HSYNC_MASK |
		   PM3VideoControl_VSYNC_MASK);
	video |= PM3VideoControl_HSYNC_ACTIVE_HIGH |
		 PM3VideoControl_VSYNC_ACTIVE_HIGH;

	switch (blank_mode) {
	case FB_BLANK_NORMAL:	/* FIXME */
		video = video & ~(PM3VideoControl_ENABLE);
		break;
		
	case FB_BLANK_HSYNC_SUSPEND:
		video = video & ~(PM3VideoControl_HSYNC_MASK |
				  PM3VideoControl_BLANK_ACTIVE_LOW);
		break;
	case FB_BLANK_VSYNC_SUSPEND:
		video = video & ~(PM3VideoControl_VSYNC_MASK |
				  PM3VideoControl_BLANK_ACTIVE_LOW);
		break;
	case FB_BLANK_POWERDOWN:
		video = video & ~(PM3VideoControl_HSYNC_MASK |
				  PM3VideoControl_VSYNC_MASK |
				  PM3VideoControl_BLANK_ACTIVE_LOW);
		break;
	default:
		DPRINTK("Unsupported blanking %d\n", blank_mode);
		return 1;
	}
	
	PM3_SLOW_WRITE_REG(par,PM3VideoControl, video);

	return 0;
}




-------------------------------------------------------------------------
This SF.net email is sponsored by DB2 Express
Download DB2 Express C - the FREE version of DB2 express and take
control of your XML. No limits. Just data. Click to get it now.
http://sourceforge.net/powerbar/db2/