From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Dooks Subject: [patch 1/5] SM501: Add inversion controls for VBIASEN and FPEN Date: Sun, 22 Jun 2008 22:04:40 +0100 Message-ID: <20080622210614.259326969@fluff.org.uk> References: <20080622210439.018928412@fluff.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1KAWld-0002yA-4D for linux-fbdev-devel@lists.sourceforge.net; Sun, 22 Jun 2008 14:06:33 -0700 Received: from aeryn.fluff.org.uk ([87.194.8.8] helo=kira.home.fluff.org) by mail.sourceforge.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.44) id 1KAWlb-00018C-0w for linux-fbdev-devel@lists.sourceforge.net; Sun, 22 Jun 2008 14:06:33 -0700 Content-Disposition: inline; filename=simtec/simtec-drivers-fb-sm501-ctrlinvert.patch 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, akpm@linux-foundation.org Cc: linux-arm-kernel@lists.arm.linux.org.uk, Ben Dooks Add flags to allow the driver to invert the sense of both VBIASEN and FPEN signals comming from the SM501. Signed-off-by: Ben Dooks Index: linux-2.6.26-rc4-quilt3/drivers/video/sm501fb.c =================================================================== --- linux-2.6.26-rc4-quilt3.orig/drivers/video/sm501fb.c 2008-05-26 23:17:37.000000000 +0100 +++ linux-2.6.26-rc4-quilt3/drivers/video/sm501fb.c 2008-05-29 10:53:18.000000000 +0100 @@ -663,15 +663,25 @@ static void sm501fb_panel_power(struct s sm501fb_sync_regs(fbi); mdelay(10); + /* VBIASEN */ + if (!(pd->flags & SM501FB_FLAG_PANEL_NO_VBIASEN)) { - control |= SM501_DC_PANEL_CONTROL_BIAS; /* VBIASEN */ + if (pd->flags & SM501FB_FLAG_PANEL_INV_VBIASEN) + control &= ~SM501_DC_PANEL_CONTROL_BIAS; + else + control |= SM501_DC_PANEL_CONTROL_BIAS; + writel(control, ctrl_reg); sm501fb_sync_regs(fbi); mdelay(10); } if (!(pd->flags & SM501FB_FLAG_PANEL_NO_FPEN)) { - control |= SM501_DC_PANEL_CONTROL_FPEN; + if (pd->flags & SM501FB_FLAG_PANEL_INV_FPEN) + control &= ~SM501_DC_PANEL_CONTROL_FPEN; + else + control |= SM501_DC_PANEL_CONTROL_FPEN; + writel(control, ctrl_reg); sm501fb_sync_regs(fbi); mdelay(10); @@ -679,14 +689,22 @@ static void sm501fb_panel_power(struct s } else if (!to && (control & SM501_DC_PANEL_CONTROL_VDD) != 0) { /* disable panel power */ if (!(pd->flags & SM501FB_FLAG_PANEL_NO_FPEN)) { - control &= ~SM501_DC_PANEL_CONTROL_FPEN; + if (pd->flags & SM501FB_FLAG_PANEL_INV_FPEN) + control |= SM501_DC_PANEL_CONTROL_FPEN; + else + control &= ~SM501_DC_PANEL_CONTROL_FPEN; + writel(control, ctrl_reg); sm501fb_sync_regs(fbi); mdelay(10); } if (!(pd->flags & SM501FB_FLAG_PANEL_NO_VBIASEN)) { - control &= ~SM501_DC_PANEL_CONTROL_BIAS; + if (pd->flags & SM501FB_FLAG_PANEL_INV_VBIASEN) + control |= SM501_DC_PANEL_CONTROL_BIAS; + else + control &= ~SM501_DC_PANEL_CONTROL_BIAS; + writel(control, ctrl_reg); sm501fb_sync_regs(fbi); mdelay(10); Index: linux-2.6.26-rc4-quilt3/include/linux/sm501.h =================================================================== --- linux-2.6.26-rc4-quilt3.orig/include/linux/sm501.h 2008-05-27 20:25:43.000000000 +0100 +++ linux-2.6.26-rc4-quilt3/include/linux/sm501.h 2008-05-29 10:54:40.000000000 +0100 @@ -73,6 +73,8 @@ extern unsigned long sm501_gpio_get(stru #define SM501FB_FLAG_USE_HWACCEL (1<<3) #define SM501FB_FLAG_PANEL_NO_FPEN (1<<4) #define SM501FB_FLAG_PANEL_NO_VBIASEN (1<<5) +#define SM501FB_FLAG_PANEL_INV_FPEN (1<<6) +#define SM501FB_FLAG_PANEL_INV_VBIASEN (1<<7) struct sm501_platdata_fbsub { struct fb_videomode *def_mode; -- Ben (ben@fluff.org, http://www.fluff.org/) 'a smiley only costs 4 bytes' ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php