I fail really to see why this would be necessary here. So get rid of it and see if anything breaks... SVN-Revision: 17052master
Lars-Peter Clausen
15 years ago
parent
5a28867651
commit
bf028c1ded
@ -1,86 +0,0 @@ |
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/*
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* Common utility code for GTA02 |
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* |
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* Copyright (C) 2008 by Openmoko, Inc. |
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* Author: Holger Hans Peter Freyther <freyther@openmoko.org> |
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* All rights reserved. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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* |
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*/ |
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#include <linux/module.h> |
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#include <linux/io.h> |
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#include <linux/irq.h> |
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#include <asm/gpio.h> |
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#include <mach/regs-gpio.h> |
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#include <linux/gta02-shadow.h> |
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/**
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* Shadow GPIO bank B handling. For the LEDs we need to keep track of the state |
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* in software. The s3c2410_gpio_setpin must not be used for GPIOs on bank B |
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*/ |
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static unsigned long gpb_mask; |
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static unsigned long gpb_state; |
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void gta02_gpb_add_shadow_gpio(unsigned int gpio) |
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{ |
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unsigned long offset = S3C2410_GPIO_OFFSET(gpio); |
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unsigned long flags; |
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local_irq_save(flags); |
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gpb_mask |= 1L << offset; |
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local_irq_restore(flags); |
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} |
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EXPORT_SYMBOL(gta02_gpb_add_shadow_gpio); |
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static void set_shadow_gpio(unsigned long offset, unsigned int value) |
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{ |
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unsigned long state = value != 0; |
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gpb_state &= ~(1L << offset); |
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gpb_state |= state << offset; |
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} |
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void gta02_gpb_setpin(unsigned int pin, unsigned to) |
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{ |
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void __iomem *base = S3C24XX_GPIO_BASE(S3C2410_GPB0); |
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unsigned long offset = S3C2410_GPIO_OFFSET(pin); |
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unsigned long flags; |
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unsigned long dat; |
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BUG_ON(base != S3C24XX_GPIO_BASE(pin)); |
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local_irq_save(flags); |
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dat = __raw_readl(base + 0x04); |
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/* Add the shadow values */ |
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dat &= ~gpb_mask; |
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dat |= gpb_state; |
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/* Do the operation like s3c2410_gpio_setpin */ |
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dat &= ~(1L << offset); |
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dat |= to << offset; |
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/* Update the shadow state */ |
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if ((1L << offset) & gpb_mask) |
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set_shadow_gpio(offset, to); |
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__raw_writel(dat, base + 0x04); |
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local_irq_restore(flags); |
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} |
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EXPORT_SYMBOL(gta02_gpb_setpin); |
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@ -1,33 +0,0 @@ |
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/*
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* include/linux/gta02-shadow.h |
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* |
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* Common utility code for GTA02 |
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* |
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* Copyright (C) 2008 by Openmoko, Inc. |
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* Author: Holger Hans Peter Freyther <freyther@openmoko.org> |
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* All rights reserved. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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* |
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*/ |
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#ifndef GTA02_SHADOW_H |
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#define GTA02_SHADOW_H |
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void gta02_gpb_add_shadow_gpio(unsigned int gpio); |
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void gta02_gpb_setpin(unsigned int pin, unsigned to); |
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#endif |
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