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URL https://opencores.org/ocsvn/or1k_soc_on_altera_embedded_dev_kit/or1k_soc_on_altera_embedded_dev_kit/trunk

Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

[/] [or1k_soc_on_altera_embedded_dev_kit/] [trunk/] [linux-2.6/] [linux-2.6.24/] [arch/] [mips/] [bcm47xx/] [gpio.c] - Blame information for rev 3

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Line No. Rev Author Line
1 3 xianfeng 
/*
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 * This file is subject to the terms and conditions of the GNU General Public
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 * License.  See the file "COPYING" in the main directory of this archive
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 * for more details.
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 *
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 * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
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 */
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#include <linux/ssb/ssb.h>
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#include <linux/ssb/ssb_driver_chipcommon.h>
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#include <linux/ssb/ssb_driver_extif.h>
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#include <asm/mach-bcm47xx/bcm47xx.h>
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#include <asm/mach-bcm47xx/gpio.h>
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int bcm47xx_gpio_to_irq(unsigned gpio)
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{
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        if (ssb_bcm47xx.chipco.dev)
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                return ssb_mips_irq(ssb_bcm47xx.chipco.dev) + 2;
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        else if (ssb_bcm47xx.extif.dev)
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                return ssb_mips_irq(ssb_bcm47xx.extif.dev) + 2;
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        else
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                return -EINVAL;
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}
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EXPORT_SYMBOL_GPL(bcm47xx_gpio_to_irq);
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int bcm47xx_gpio_get_value(unsigned gpio)
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{
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        if (ssb_bcm47xx.chipco.dev)
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                return ssb_chipco_gpio_in(&ssb_bcm47xx.chipco, 1 << gpio);
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        else if (ssb_bcm47xx.extif.dev)
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                return ssb_extif_gpio_in(&ssb_bcm47xx.extif, 1 << gpio);
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        else
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                return 0;
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}
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EXPORT_SYMBOL_GPL(bcm47xx_gpio_get_value);
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void bcm47xx_gpio_set_value(unsigned gpio, int value)
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{
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        if (ssb_bcm47xx.chipco.dev)
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                ssb_chipco_gpio_out(&ssb_bcm47xx.chipco,
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                                    1 << gpio,
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                                    value ? 1 << gpio : 0);
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        else if (ssb_bcm47xx.extif.dev)
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                ssb_extif_gpio_out(&ssb_bcm47xx.extif,
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                                   1 << gpio,
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                                   value ? 1 << gpio : 0);
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}
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EXPORT_SYMBOL_GPL(bcm47xx_gpio_set_value);
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int bcm47xx_gpio_direction_input(unsigned gpio)
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{
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        if (ssb_bcm47xx.chipco.dev && (gpio < BCM47XX_CHIPCO_GPIO_LINES))
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                ssb_chipco_gpio_outen(&ssb_bcm47xx.chipco,
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                                      1 << gpio, 0);
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        else if (ssb_bcm47xx.extif.dev && (gpio < BCM47XX_EXTIF_GPIO_LINES))
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                ssb_extif_gpio_outen(&ssb_bcm47xx.extif,
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                                     1 << gpio, 0);
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        else
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                return -EINVAL;
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        return 0;
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}
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EXPORT_SYMBOL_GPL(bcm47xx_gpio_direction_input);
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int bcm47xx_gpio_direction_output(unsigned gpio, int value)
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{
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        bcm47xx_gpio_set_value(gpio, value);
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        if (ssb_bcm47xx.chipco.dev && (gpio < BCM47XX_CHIPCO_GPIO_LINES))
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                ssb_chipco_gpio_outen(&ssb_bcm47xx.chipco,
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                                      1 << gpio, 1 << gpio);
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        else if (ssb_bcm47xx.extif.dev && (gpio < BCM47XX_EXTIF_GPIO_LINES))
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                ssb_extif_gpio_outen(&ssb_bcm47xx.extif,
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                                     1 << gpio, 1 << gpio);
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        else
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                return -EINVAL;
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        return 0;
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}
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EXPORT_SYMBOL_GPL(bcm47xx_gpio_direction_output);
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