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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/*
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* arch/arm/mach-sa1100/include/mach/gpio.h
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*
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* SA1100 GPIO wrappers for arch-neutral GPIO calls
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*
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* Written by Philipp Zabel <philipp.zabel@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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, MA 02111-1307 USA
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*
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*/
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#ifndef __ASM_ARCH_SA1100_GPIO_H
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#define __ASM_ARCH_SA1100_GPIO_H
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#include <mach/hardware.h>
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#include <asm/irq.h>
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#include <asm-generic/gpio.h>
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static inline int gpio_get_value(unsigned gpio)
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{
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if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX))
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return GPLR & GPIO_GPIO(gpio);
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else
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return __gpio_get_value(gpio);
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}
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static inline void gpio_set_value(unsigned gpio, int value)
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{
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if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX))
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if (value)
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GPSR = GPIO_GPIO(gpio);
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else
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GPCR = GPIO_GPIO(gpio);
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else
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__gpio_set_value(gpio, value);
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}
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#define gpio_cansleep __gpio_cansleep
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#define gpio_to_irq(gpio) ((gpio < 11) ? (IRQ_GPIO0 + gpio) : \
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(IRQ_GPIO11 - 11 + gpio))
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#define irq_to_gpio(irq) ((irq < IRQ_GPIO11_27) ? (irq - IRQ_GPIO0) : \
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(irq - IRQ_GPIO11 + 11))
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#endif
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