From mboxrd@z Thu Jan 1 00:00:00 1970 From: syed khader Subject: Re: porting fb driver to 2, 6(fb_get_fix, fb_get_var) Date: Tue, 20 Jun 2006 05:01:50 -0700 (PDT) Message-ID: <20060620120150.43888.qmail@web37914.mail.mud.yahoo.com> References: <448D61C3.2070703@gmail.com> Reply-To: linux-fbdev-devel@lists.sourceforge.net Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1Fsevc-0004Di-NF for linux-fbdev-devel@lists.sourceforge.net; Tue, 20 Jun 2006 05:01:56 -0700 Received: from web37914.mail.mud.yahoo.com ([209.191.124.109]) by mail.sourceforge.net with smtp (Exim 4.44) id 1Fsevc-0006eW-9i for linux-fbdev-devel@lists.sourceforge.net; Tue, 20 Jun 2006 05:01:56 -0700 In-Reply-To: <448D61C3.2070703@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-fbdev-devel-bounces@lists.sourceforge.net Errors-To: linux-fbdev-devel-bounces@lists.sourceforge.net To: linux-fbdev-devel@lists.sourceforge.net --- "Antonino A. Daplas" wrote: > syed khader wrote: > > Hi, > > I am trying to port one of our LCD display frame > > buffer driver to 2.6 kernel. > > The old 2.4 kernel had these functions defined > in > > fb_ops > > fb_open: > > fb_release: > > These 2 are still in 2.6, but they're optional. > > > fb_get_fix: > > fb_get_var: > > Gone. If they were gone do I have to just remove these functions in the older version of the driver and compile again. Will that suffice? > > > fb_set_var: > > The above is split into: > > fb_check_var() - see if the requested var is > compatible > and if not, round up to the next > legal value > > fb_set_par() - set the hardware based on the > current > var > > fb_get_cmap: > > gone > > > fb_set_cmap: > > replaced by fb_setcolreg() > > > > fb_ioctl: > > optional. > > Additional required ops for 2.6. > > fb_imageblit - expand monochrome to color and/or > expand 8-bit pseudocolor to color > > Generic version for packed-pixel: cfb_imageblit > > fb_fillrect - fill rectangular area with solid color > > Generic version for packed-pixel: cfb_fillrect > > > fb_copyarea - copy rectangular area > > Generic version for packed-pixel: cfb_copyarea > > > > > > But the latest 2.6 fb_ops has removed these and > > there is entirely new set of functions. > > I tried to go to list archives but I could not > find > > information. > > What functions in 2.6 fb_ops should to used to > > implement this old 2.4 set of functions? > > Look at skeletonfb.c for comments. The simplest > framebuffer driver you can start with is vfb.c > > > Tony > > Another question: What happens to "struct display" being used in the older version. Regards Syed __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com