From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752395AbYDHED1 (ORCPT ); Tue, 8 Apr 2008 00:03:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751634AbYDHEDT (ORCPT ); Tue, 8 Apr 2008 00:03:19 -0400 Received: from wr-out-0506.google.com ([64.233.184.232]:27495 "EHLO wr-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751536AbYDHEDS (ORCPT ); Tue, 8 Apr 2008 00:03:18 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:mime-version:content-type:content-transfer-encoding:content-disposition; b=S3iMnktPmDLpe5nY3zSb1ANhzKo+4bNEAxgCmRMNeFguVEdp6MDyE7rylDgymG9nxnTAdZIJtJ1Jck+bFzFRnOBTiJ/Y+94V/PX8Tv8QNfQ+VWyz9FuW+sb0JyB8laitsaopYDdc+AgXMkoheiV4cXoXBvyRbqVGFT+whWi5aoc= Message-ID: Date: Tue, 8 Apr 2008 12:03:16 +0800 From: "eric miao" To: "linux-arm-kernel email list" , linux-fbdev-devel@lists.sourceforge.net, lkml Subject: [PATCH 1/4] pxafb: introduce lcd_{read,write}l() to wrap the __raw_{read,write}l() Cc: "Russell King - ARM Linux" , "Andrew Morton" MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>From 917ed27ddcaca455f7799f74a1db9a4497725de8 Mon Sep 17 00:00:00 2001 From: Eric Miao Date: Thu, 27 Mar 2008 09:28:32 +0800 Subject: [PATCH] pxafb: introduce lcd_{read,write}l() to wrap the __raw_{read,write}l() using __raw_{read,write}l() everywhere looks messy, introduce lcd_{read,write}l() to get this cleaned up a bit Signed-off-by: eric miao --- drivers/video/pxafb.c | 50 +++++++++++++++++++++++++----------------------- 1 files changed, 26 insertions(+), 24 deletions(-) diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c index 0031a5f..27d9fed 100644 --- a/drivers/video/pxafb.c +++ b/drivers/video/pxafb.c @@ -64,6 +64,9 @@ #define LCCR3_INVALID_CONFIG_MASK (LCCR3_HSP | LCCR3_VSP |\ LCCR3_PCD | LCCR3_BPP) +#define lcd_readl(f, off) __raw_readl((f)->mmio_base + (off)) +#define lcd_writel(f, off, v) __raw_writel((v), (f)->mmio_base + (off)) + static void (*pxafb_backlight_power)(int); static void (*pxafb_lcd_power)(int, struct fb_var_screeninfo *); @@ -684,8 +687,7 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var, fbi->reg_lccr1 = new_regs.lccr1; fbi->reg_lccr2 = new_regs.lccr2; fbi->reg_lccr3 = new_regs.lccr3; - fbi->reg_lccr4 = __raw_readl(fbi->mmio_base + LCCR4) & - (~LCCR4_PAL_FOR_MASK); + fbi->reg_lccr4 = lcd_readl(fbi, LCCR4) & ~LCCR4_PAL_FOR_MASK; fbi->reg_lccr4 |= (fbi->lccr4 & LCCR4_PAL_FOR_MASK); set_hsync_time(fbi, pcd); local_irq_restore(flags); @@ -694,12 +696,12 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var, * Only update the registers if the controller is enabled * and something has changed. */ - if ((__raw_readl(fbi->mmio_base + LCCR0) != fbi->reg_lccr0) || - (__raw_readl(fbi->mmio_base + LCCR1) != fbi->reg_lccr1) || - (__raw_readl(fbi->mmio_base + LCCR2) != fbi->reg_lccr2) || - (__raw_readl(fbi->mmio_base + LCCR3) != fbi->reg_lccr3) || - (__raw_readl(fbi->mmio_base + FDADR0) != fbi->fdadr[0]) || - (__raw_readl(fbi->mmio_base + FDADR1) != fbi->fdadr[1])) + if ((lcd_readl(fbi, LCCR0) != fbi->reg_lccr0) || + (lcd_readl(fbi, LCCR1) != fbi->reg_lccr1) || + (lcd_readl(fbi, LCCR2) != fbi->reg_lccr2) || + (lcd_readl(fbi, LCCR3) != fbi->reg_lccr3) || + (lcd_readl(fbi, FDADR0) != fbi->fdadr[0]) || + (lcd_readl(fbi, FDADR1) != fbi->fdadr[1])) pxafb_schedule_work(fbi, C_REENABLE); return 0; @@ -785,14 +787,14 @@ static void pxafb_enable_controller(struct pxafb_info *fbi) clk_enable(fbi->clk); /* Sequence from 11.7.10 */ - __raw_writel(fbi->reg_lccr3, fbi->mmio_base + LCCR3); - __raw_writel(fbi->reg_lccr2, fbi->mmio_base + LCCR2); - __raw_writel(fbi->reg_lccr1, fbi->mmio_base + LCCR1); - __raw_writel(fbi->reg_lccr0 & ~LCCR0_ENB, fbi->mmio_base + LCCR0); - - __raw_writel(fbi->fdadr[0], fbi->mmio_base + FDADR0); - __raw_writel(fbi->fdadr[1], fbi->mmio_base + FDADR1); - __raw_writel(fbi->reg_lccr0 | LCCR0_ENB, fbi->mmio_base + LCCR0); + lcd_writel(fbi, LCCR3, fbi->reg_lccr3); + lcd_writel(fbi, LCCR2, fbi->reg_lccr2); + lcd_writel(fbi, LCCR1, fbi->reg_lccr1); + lcd_writel(fbi, LCCR0, fbi->reg_lccr0 & ~LCCR0_ENB); + + lcd_writel(fbi, FDADR0, fbi->fdadr[0]); + lcd_writel(fbi, FDADR1, fbi->fdadr[1]); + lcd_writel(fbi, LCCR0, fbi->reg_lccr0 | LCCR0_ENB); } static void pxafb_disable_controller(struct pxafb_info *fbi) @@ -805,11 +807,11 @@ static void pxafb_disable_controller(struct pxafb_info *fbi) add_wait_queue(&fbi->ctrlr_wait, &wait); /* Clear LCD Status Register */ - __raw_writel(0xffffffff, fbi->mmio_base + LCSR); + lcd_writel(fbi, LCSR, 0xffffffff); - lccr0 = __raw_readl(fbi->mmio_base + LCCR0) & ~LCCR0_LDM; - __raw_writel(lccr0, fbi->mmio_base + LCCR0); - __raw_writel(lccr0 | LCCR0_DIS, fbi->mmio_base + LCCR0); + lccr0 = lcd_readl(fbi, LCCR0) & ~LCCR0_LDM; + lcd_writel(fbi, LCCR0, lccr0); + lcd_writel(fbi, LCCR0, lccr0 | LCCR0_DIS); schedule_timeout(200 * HZ / 1000); remove_wait_queue(&fbi->ctrlr_wait, &wait); @@ -824,15 +826,15 @@ static void pxafb_disable_controller(struct pxafb_info *fbi) static irqreturn_t pxafb_handle_irq(int irq, void *dev_id) { struct pxafb_info *fbi = dev_id; - unsigned int lccr0, lcsr = __raw_readl(fbi->mmio_base + LCSR); + unsigned int lccr0, lcsr = lcd_readl(fbi, LCSR); if (lcsr & LCSR_LDD) { - lccr0 = __raw_readl(fbi->mmio_base + LCCR0) | LCCR0_LDM; - __raw_writel(lccr0, fbi->mmio_base + LCCR0); + lccr0 = lcd_readl(fbi, LCCR0); + lcd_writel(fbi, LCCR0, lccr0 | LCCR0_LDM); wake_up(&fbi->ctrlr_wait); } - __raw_writel(lcsr, fbi->mmio_base + LCSR); + lcd_writel(fbi, LCSR, lcsr); return IRQ_HANDLED; } -- 1.5.4.3 -- Cheers - eric