Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 662 insertions, 0 deletions

diff --git a/arch/mips/include/asm/mach-au1x00/gpio-au1000.h b/arch/mips/include/asm/mach-au1x00/gpio-au1000.h
new file mode 100644
index 00000000..73853b5a
--- /dev/null
+++ b/arch/mips/include/asm/mach-au1x00/gpio-au1000.h
@@ -0,0 +1,662 @@
+/*
+ * GPIO functions for Au1000, Au1500, Au1100, Au1550, Au1200
+ *
+ * Copyright (c) 2009 Manuel Lauss.
+ *
+ * Licensed under the terms outlined in the file COPYING.
+ */
+
+#ifndef _ALCHEMY_GPIO_AU1000_H_
+#define _ALCHEMY_GPIO_AU1000_H_
+
+#include <asm/mach-au1x00/au1000.h>
+
+/* The default GPIO numberspace as documented in the Alchemy manuals.
+ * GPIO0-31 from GPIO1 block,   GPIO200-215 from GPIO2 block.
+ */
+#define ALCHEMY_GPIO1_BASE	0
+#define ALCHEMY_GPIO2_BASE	200
+
+#define ALCHEMY_GPIO1_NUM	32
+#define ALCHEMY_GPIO2_NUM	16
+#define ALCHEMY_GPIO1_MAX 	(ALCHEMY_GPIO1_BASE + ALCHEMY_GPIO1_NUM - 1)
+#define ALCHEMY_GPIO2_MAX	(ALCHEMY_GPIO2_BASE + ALCHEMY_GPIO2_NUM - 1)
+
+#define MAKE_IRQ(intc, off)	(AU1000_INTC##intc##_INT_BASE + (off))
+
+/* GPIO1 registers within SYS_ area */
+#define SYS_TRIOUTRD		0x100
+#define SYS_TRIOUTCLR		0x100
+#define SYS_OUTPUTRD		0x108
+#define SYS_OUTPUTSET		0x108
+#define SYS_OUTPUTCLR		0x10C
+#define SYS_PINSTATERD		0x110
+#define SYS_PININPUTEN		0x110
+
+/* register offsets within GPIO2 block */
+#define GPIO2_DIR		0x00
+#define GPIO2_OUTPUT		0x08
+#define GPIO2_PINSTATE		0x0C
+#define GPIO2_INTENABLE		0x10
+#define GPIO2_ENABLE		0x14
+
+struct gpio;
+
+static inline int au1000_gpio1_to_irq(int gpio)
+{
+	return MAKE_IRQ(1, gpio - ALCHEMY_GPIO1_BASE);
+}
+
+static inline int au1000_gpio2_to_irq(int gpio)
+{
+	return -ENXIO;
+}
+
+static inline int au1000_irq_to_gpio(int irq)
+{
+	if ((irq >= AU1000_GPIO0_INT) && (irq <= AU1000_GPIO31_INT))
+		return ALCHEMY_GPIO1_BASE + (irq - AU1000_GPIO0_INT) + 0;
+
+	return -ENXIO;
+}
+
+static inline int au1500_gpio1_to_irq(int gpio)
+{
+	gpio -= ALCHEMY_GPIO1_BASE;
+
+	switch (gpio) {
+	case 0 ... 15:
+	case 20:
+	case 23 ... 28:	return MAKE_IRQ(1, gpio);
+	}
+
+	return -ENXIO;
+}
+
+static inline int au1500_gpio2_to_irq(int gpio)
+{
+	gpio -= ALCHEMY_GPIO2_BASE;
+
+	switch (gpio) {
+	case 0 ... 3:	return MAKE_IRQ(1, 16 + gpio - 0);
+	case 4 ... 5:	return MAKE_IRQ(1, 21 + gpio - 4);
+	case 6 ... 7:	return MAKE_IRQ(1, 29 + gpio - 6);
+	}
+
+	return -ENXIO;
+}
+
+static inline int au1500_irq_to_gpio(int irq)
+{
+	switch (irq) {
+	case AU1500_GPIO0_INT ... AU1500_GPIO15_INT:
+	case AU1500_GPIO20_INT:
+	case AU1500_GPIO23_INT ... AU1500_GPIO28_INT:
+		return ALCHEMY_GPIO1_BASE + (irq - AU1500_GPIO0_INT) + 0;
+	case AU1500_GPIO200_INT ... AU1500_GPIO203_INT:
+		return ALCHEMY_GPIO2_BASE + (irq - AU1500_GPIO200_INT) + 0;
+	case AU1500_GPIO204_INT ... AU1500_GPIO205_INT:
+		return ALCHEMY_GPIO2_BASE + (irq - AU1500_GPIO204_INT) + 4;
+	case AU1500_GPIO206_INT ... AU1500_GPIO207_INT:
+		return ALCHEMY_GPIO2_BASE + (irq - AU1500_GPIO206_INT) + 6;
+	case AU1500_GPIO208_215_INT:
+		return ALCHEMY_GPIO2_BASE + 8;
+	}
+
+	return -ENXIO;
+}
+
+static inline int au1100_gpio1_to_irq(int gpio)
+{
+	return MAKE_IRQ(1, gpio - ALCHEMY_GPIO1_BASE);
+}
+
+static inline int au1100_gpio2_to_irq(int gpio)
+{
+	gpio -= ALCHEMY_GPIO2_BASE;
+
+	if ((gpio >= 8) && (gpio <= 15))
+		return MAKE_IRQ(0, 29);		/* shared GPIO208_215 */
+
+	return -ENXIO;
+}
+
+static inline int au1100_irq_to_gpio(int irq)
+{
+	switch (irq) {
+	case AU1100_GPIO0_INT ... AU1100_GPIO31_INT:
+		return ALCHEMY_GPIO1_BASE + (irq - AU1100_GPIO0_INT) + 0;
+	case AU1100_GPIO208_215_INT:
+		return ALCHEMY_GPIO2_BASE + 8;
+	}
+
+	return -ENXIO;
+}
+
+static inline int au1550_gpio1_to_irq(int gpio)
+{
+	gpio -= ALCHEMY_GPIO1_BASE;
+
+	switch (gpio) {
+	case 0 ... 15:
+	case 20 ... 28:	return MAKE_IRQ(1, gpio);
+	case 16 ... 17:	return MAKE_IRQ(1, 18 + gpio - 16);
+	}
+
+	return -ENXIO;
+}
+
+static inline int au1550_gpio2_to_irq(int gpio)
+{
+	gpio -= ALCHEMY_GPIO2_BASE;
+
+	switch (gpio) {
+	case 0:		return MAKE_IRQ(1, 16);
+	case 1 ... 5:	return MAKE_IRQ(1, 17);	/* shared GPIO201_205 */
+	case 6 ... 7:	return MAKE_IRQ(1, 29 + gpio - 6);
+	case 8 ... 15:	return MAKE_IRQ(1, 31);	/* shared GPIO208_215 */
+	}
+
+	return -ENXIO;
+}
+
+static inline int au1550_irq_to_gpio(int irq)
+{
+	switch (irq) {
+	case AU1550_GPIO0_INT ... AU1550_GPIO15_INT:
+		return ALCHEMY_GPIO1_BASE + (irq - AU1550_GPIO0_INT) + 0;
+	case AU1550_GPIO200_INT:
+	case AU1550_GPIO201_205_INT:
+		return ALCHEMY_GPIO2_BASE + (irq - AU1550_GPIO200_INT) + 0;
+	case AU1550_GPIO16_INT ... AU1550_GPIO28_INT:
+		return ALCHEMY_GPIO1_BASE + (irq - AU1550_GPIO16_INT) + 16;
+	case AU1550_GPIO206_INT ... AU1550_GPIO208_215_INT:
+		return ALCHEMY_GPIO2_BASE + (irq - AU1550_GPIO206_INT) + 6;
+	}
+
+	return -ENXIO;
+}
+
+static inline int au1200_gpio1_to_irq(int gpio)
+{
+	return MAKE_IRQ(1, gpio - ALCHEMY_GPIO1_BASE);
+}
+
+static inline int au1200_gpio2_to_irq(int gpio)
+{
+	gpio -= ALCHEMY_GPIO2_BASE;
+
+	switch (gpio) {
+	case 0 ... 2:	return MAKE_IRQ(0, 5 + gpio - 0);
+	case 3:		return MAKE_IRQ(0, 22);
+	case 4 ... 7:	return MAKE_IRQ(0, 24 + gpio - 4);
+	case 8 ... 15:	return MAKE_IRQ(0, 28);	/* shared GPIO208_215 */
+	}
+
+	return -ENXIO;
+}
+
+static inline int au1200_irq_to_gpio(int irq)
+{
+	switch (irq) {
+	case AU1200_GPIO0_INT ... AU1200_GPIO31_INT:
+		return ALCHEMY_GPIO1_BASE + (irq - AU1200_GPIO0_INT) + 0;
+	case AU1200_GPIO200_INT ... AU1200_GPIO202_INT:
+		return ALCHEMY_GPIO2_BASE + (irq - AU1200_GPIO200_INT) + 0;
+	case AU1200_GPIO203_INT:
+		return ALCHEMY_GPIO2_BASE + 3;
+	case AU1200_GPIO204_INT ... AU1200_GPIO208_215_INT:
+		return ALCHEMY_GPIO2_BASE + (irq - AU1200_GPIO204_INT) + 4;
+	}
+
+	return -ENXIO;
+}
+
+/*
+ * GPIO1 block macros for common linux gpio functions.
+ */
+static inline void alchemy_gpio1_set_value(int gpio, int v)
+{
+	void __iomem *base = (void __iomem *)KSEG1ADDR(AU1000_SYS_PHYS_ADDR);
+	unsigned long mask = 1 << (gpio - ALCHEMY_GPIO1_BASE);
+	unsigned long r = v ? SYS_OUTPUTSET : SYS_OUTPUTCLR;
+	__raw_writel(mask, base + r);
+	wmb();
+}
+
+static inline int alchemy_gpio1_get_value(int gpio)
+{
+	void __iomem *base = (void __iomem *)KSEG1ADDR(AU1000_SYS_PHYS_ADDR);
+	unsigned long mask = 1 << (gpio - ALCHEMY_GPIO1_BASE);
+	return __raw_readl(base + SYS_PINSTATERD) & mask;
+}
+
+static inline int alchemy_gpio1_direction_input(int gpio)
+{
+	void __iomem *base = (void __iomem *)KSEG1ADDR(AU1000_SYS_PHYS_ADDR);
+	unsigned long mask = 1 << (gpio - ALCHEMY_GPIO1_BASE);
+	__raw_writel(mask, base + SYS_TRIOUTCLR);
+	wmb();
+	return 0;
+}
+
+static inline int alchemy_gpio1_direction_output(int gpio, int v)
+{
+	/* hardware switches to "output" mode when one of the two
+	 * "set_value" registers is accessed.
+	 */
+	alchemy_gpio1_set_value(gpio, v);
+	return 0;
+}
+
+static inline int alchemy_gpio1_is_valid(int gpio)
+{
+	return ((gpio >= ALCHEMY_GPIO1_BASE) && (gpio <= ALCHEMY_GPIO1_MAX));
+}
+
+static inline int alchemy_gpio1_to_irq(int gpio)
+{
+	switch (alchemy_get_cputype()) {
+	case ALCHEMY_CPU_AU1000:
+		return au1000_gpio1_to_irq(gpio);
+	case ALCHEMY_CPU_AU1100:
+		return au1100_gpio1_to_irq(gpio);
+	case ALCHEMY_CPU_AU1500:
+		return au1500_gpio1_to_irq(gpio);
+	case ALCHEMY_CPU_AU1550:
+		return au1550_gpio1_to_irq(gpio);
+	case ALCHEMY_CPU_AU1200:
+		return au1200_gpio1_to_irq(gpio);
+	}
+	return -ENXIO;
+}
+
+/*
+ * GPIO2 block macros for common linux GPIO functions. The 'gpio'
+ * parameter must be in range of ALCHEMY_GPIO2_BASE..ALCHEMY_GPIO2_MAX.
+ */
+static inline void __alchemy_gpio2_mod_dir(int gpio, int to_out)
+{
+	void __iomem *base = (void __iomem *)KSEG1ADDR(AU1500_GPIO2_PHYS_ADDR);
+	unsigned long mask = 1 << (gpio - ALCHEMY_GPIO2_BASE);
+	unsigned long d = __raw_readl(base + GPIO2_DIR);
+
+	if (to_out)
+		d |= mask;
+	else
+		d &= ~mask;
+	__raw_writel(d, base + GPIO2_DIR);
+	wmb();
+}
+
+static inline void alchemy_gpio2_set_value(int gpio, int v)
+{
+	void __iomem *base = (void __iomem *)KSEG1ADDR(AU1500_GPIO2_PHYS_ADDR);
+	unsigned long mask;
+	mask = ((v) ? 0x00010001 : 0x00010000) << (gpio - ALCHEMY_GPIO2_BASE);
+	__raw_writel(mask, base + GPIO2_OUTPUT);
+	wmb();
+}
+
+static inline int alchemy_gpio2_get_value(int gpio)
+{
+	void __iomem *base = (void __iomem *)KSEG1ADDR(AU1500_GPIO2_PHYS_ADDR);
+	return __raw_readl(base + GPIO2_PINSTATE) & (1 << (gpio - ALCHEMY_GPIO2_BASE));
+}
+
+static inline int alchemy_gpio2_direction_input(int gpio)
+{
+	unsigned long flags;
+	local_irq_save(flags);
+	__alchemy_gpio2_mod_dir(gpio, 0);
+	local_irq_restore(flags);
+	return 0;
+}
+
+static inline int alchemy_gpio2_direction_output(int gpio, int v)
+{
+	unsigned long flags;
+	alchemy_gpio2_set_value(gpio, v);
+	local_irq_save(flags);
+	__alchemy_gpio2_mod_dir(gpio, 1);
+	local_irq_restore(flags);
+	return 0;
+}
+
+static inline int alchemy_gpio2_is_valid(int gpio)
+{
+	return ((gpio >= ALCHEMY_GPIO2_BASE) && (gpio <= ALCHEMY_GPIO2_MAX));
+}
+
+static inline int alchemy_gpio2_to_irq(int gpio)
+{
+	switch (alchemy_get_cputype()) {
+	case ALCHEMY_CPU_AU1000:
+		return au1000_gpio2_to_irq(gpio);
+	case ALCHEMY_CPU_AU1100:
+		return au1100_gpio2_to_irq(gpio);
+	case ALCHEMY_CPU_AU1500:
+		return au1500_gpio2_to_irq(gpio);
+	case ALCHEMY_CPU_AU1550:
+		return au1550_gpio2_to_irq(gpio);
+	case ALCHEMY_CPU_AU1200:
+		return au1200_gpio2_to_irq(gpio);
+	}
+	return -ENXIO;
+}
+
+/**********************************************************************/
+
+/* GPIO2 shared interrupts and control */
+
+static inline void __alchemy_gpio2_mod_int(int gpio2, int en)
+{
+	void __iomem *base = (void __iomem *)KSEG1ADDR(AU1500_GPIO2_PHYS_ADDR);
+	unsigned long r = __raw_readl(base + GPIO2_INTENABLE);
+	if (en)
+		r |= 1 << gpio2;
+	else
+		r &= ~(1 << gpio2);
+	__raw_writel(r, base + GPIO2_INTENABLE);
+	wmb();
+}
+
+/**
+ * alchemy_gpio2_enable_int - Enable a GPIO2 pins' shared irq contribution.
+ * @gpio2:	The GPIO2 pin to activate (200...215).
+ *
+ * GPIO208-215 have one shared interrupt line to the INTC.  They are
+ * and'ed with a per-pin enable bit and finally or'ed together to form
+ * a single irq request (useful for active-high sources).
+ * With this function, a pins' individual contribution to the int request
+ * can be enabled.  As with all other GPIO-based interrupts, the INTC
+ * must be programmed to accept the GPIO208_215 interrupt as well.
+ *
+ * NOTE: Calling this macro is only necessary for GPIO208-215; all other
+ * GPIO2-based interrupts have their own request to the INTC.  Please
+ * consult your Alchemy databook for more information!
+ *
+ * NOTE: On the Au1550, GPIOs 201-205 also have a shared interrupt request
+ * line to the INTC, GPIO201_205.  This function can be used for those
+ * as well.
+ *
+ * NOTE: 'gpio2' parameter must be in range of the GPIO2 numberspace
+ * (200-215 by default). No sanity checks are made,
+ */
+static inline void alchemy_gpio2_enable_int(int gpio2)
+{
+	unsigned long flags;
+
+	gpio2 -= ALCHEMY_GPIO2_BASE;
+
+	/* Au1100/Au1500 have GPIO208-215 enable bits at 0..7 */
+	switch (alchemy_get_cputype()) {
+	case ALCHEMY_CPU_AU1100:
+	case ALCHEMY_CPU_AU1500:
+		gpio2 -= 8;
+	}
+
+	local_irq_save(flags);
+	__alchemy_gpio2_mod_int(gpio2, 1);
+	local_irq_restore(flags);
+}
+
+/**
+ * alchemy_gpio2_disable_int - Disable a GPIO2 pins' shared irq contribution.
+ * @gpio2:	The GPIO2 pin to activate (200...215).
+ *
+ * see function alchemy_gpio2_enable_int() for more information.
+ */
+static inline void alchemy_gpio2_disable_int(int gpio2)
+{
+	unsigned long flags;
+
+	gpio2 -= ALCHEMY_GPIO2_BASE;
+
+	/* Au1100/Au1500 have GPIO208-215 enable bits at 0..7 */
+	switch (alchemy_get_cputype()) {
+	case ALCHEMY_CPU_AU1100:
+	case ALCHEMY_CPU_AU1500:
+		gpio2 -= 8;
+	}
+
+	local_irq_save(flags);
+	__alchemy_gpio2_mod_int(gpio2, 0);
+	local_irq_restore(flags);
+}
+
+/**
+ * alchemy_gpio2_enable -  Activate GPIO2 block.
+ *
+ * The GPIO2 block must be enabled excplicitly to work.  On systems
+ * where this isn't done by the bootloader, this macro can be used.
+ */
+static inline void alchemy_gpio2_enable(void)
+{
+	void __iomem *base = (void __iomem *)KSEG1ADDR(AU1500_GPIO2_PHYS_ADDR);
+	__raw_writel(3, base + GPIO2_ENABLE);	/* reset, clock enabled */
+	wmb();
+	__raw_writel(1, base + GPIO2_ENABLE);	/* clock enabled */
+	wmb();
+}
+
+/**
+ * alchemy_gpio2_disable - disable GPIO2 block.
+ *
+ * Disable and put GPIO2 block in low-power mode.
+ */
+static inline void alchemy_gpio2_disable(void)
+{
+	void __iomem *base = (void __iomem *)KSEG1ADDR(AU1500_GPIO2_PHYS_ADDR);
+	__raw_writel(2, base + GPIO2_ENABLE);	/* reset, clock disabled */
+	wmb();
+}
+
+/**********************************************************************/
+
+/* wrappers for on-chip gpios; can be used before gpio chips have been
+ * registered with gpiolib.
+ */
+static inline int alchemy_gpio_direction_input(int gpio)
+{
+	return (gpio >= ALCHEMY_GPIO2_BASE) ?
+		alchemy_gpio2_direction_input(gpio) :
+		alchemy_gpio1_direction_input(gpio);
+}
+
+static inline int alchemy_gpio_direction_output(int gpio, int v)
+{
+	return (gpio >= ALCHEMY_GPIO2_BASE) ?
+		alchemy_gpio2_direction_output(gpio, v) :
+		alchemy_gpio1_direction_output(gpio, v);
+}
+
+static inline int alchemy_gpio_get_value(int gpio)
+{
+	return (gpio >= ALCHEMY_GPIO2_BASE) ?
+		alchemy_gpio2_get_value(gpio) :
+		alchemy_gpio1_get_value(gpio);
+}
+
+static inline void alchemy_gpio_set_value(int gpio, int v)
+{
+	if (gpio >= ALCHEMY_GPIO2_BASE)
+		alchemy_gpio2_set_value(gpio, v);
+	else
+		alchemy_gpio1_set_value(gpio, v);
+}
+
+static inline int alchemy_gpio_is_valid(int gpio)
+{
+	return (gpio >= ALCHEMY_GPIO2_BASE) ?
+		alchemy_gpio2_is_valid(gpio) :
+		alchemy_gpio1_is_valid(gpio);
+}
+
+static inline int alchemy_gpio_cansleep(int gpio)
+{
+	return 0;	/* Alchemy never gets tired */
+}
+
+static inline int alchemy_gpio_to_irq(int gpio)
+{
+	return (gpio >= ALCHEMY_GPIO2_BASE) ?
+		alchemy_gpio2_to_irq(gpio) :
+		alchemy_gpio1_to_irq(gpio);
+}
+
+static inline int alchemy_irq_to_gpio(int irq)
+{
+	switch (alchemy_get_cputype()) {
+	case ALCHEMY_CPU_AU1000:
+		return au1000_irq_to_gpio(irq);
+	case ALCHEMY_CPU_AU1100:
+		return au1100_irq_to_gpio(irq);
+	case ALCHEMY_CPU_AU1500:
+		return au1500_irq_to_gpio(irq);
+	case ALCHEMY_CPU_AU1550:
+		return au1550_irq_to_gpio(irq);
+	case ALCHEMY_CPU_AU1200:
+		return au1200_irq_to_gpio(irq);
+	}
+	return -ENXIO;
+}
+
+/**********************************************************************/
+
+/* Linux gpio framework integration.
+ *
+ * 4 use cases of Au1000-Au1200 GPIOS:
+ *(1) GPIOLIB=y, ALCHEMY_GPIO_INDIRECT=y:
+ *	Board must register gpiochips.
+ *(2) GPIOLIB=y, ALCHEMY_GPIO_INDIRECT=n:
+ *	2 (1 for Au1000) gpio_chips are registered.
+ *
+ *(3) GPIOLIB=n, ALCHEMY_GPIO_INDIRECT=y:
+ *	the boards' gpio.h must provide	the linux gpio wrapper functions,
+ *
+ *(4) GPIOLIB=n, ALCHEMY_GPIO_INDIRECT=n:
+ *	inlinable gpio functions are provided which enable access to the
+ *	Au1000 gpios only by using the numbers straight out of the data-
+ *	sheets.
+
+ * Cases 1 and 3 are intended for boards which want to provide their own
+ * GPIO namespace and -operations (i.e. for example you have 8 GPIOs
+ * which are in part provided by spare Au1000 GPIO pins and in part by
+ * an external FPGA but you still want them to be accssible in linux
+ * as gpio0-7. The board can of course use the alchemy_gpioX_* functions
+ * as required).
+ */
+
+#ifndef CONFIG_GPIOLIB
+
+#ifdef CONFIG_ALCHEMY_GPIOINT_AU1000
+
+#ifndef CONFIG_ALCHEMY_GPIO_INDIRECT	/* case (4) */
+
+static inline int gpio_direction_input(int gpio)
+{
+	return alchemy_gpio_direction_input(gpio);
+}
+
+static inline int gpio_direction_output(int gpio, int v)
+{
+	return alchemy_gpio_direction_output(gpio, v);
+}
+
+static inline int gpio_get_value(int gpio)
+{
+	return alchemy_gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(int gpio, int v)
+{
+	alchemy_gpio_set_value(gpio, v);
+}
+
+static inline int gpio_get_value_cansleep(unsigned gpio)
+{
+	return gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value_cansleep(unsigned gpio, int value)
+{
+	gpio_set_value(gpio, value);
+}
+
+static inline int gpio_is_valid(int gpio)
+{
+	return alchemy_gpio_is_valid(gpio);
+}
+
+static inline int gpio_cansleep(int gpio)
+{
+	return alchemy_gpio_cansleep(gpio);
+}
+
+static inline int gpio_to_irq(int gpio)
+{
+	return alchemy_gpio_to_irq(gpio);
+}
+
+static inline int irq_to_gpio(int irq)
+{
+	return alchemy_irq_to_gpio(irq);
+}
+
+static inline int gpio_request(unsigned gpio, const char *label)
+{
+	return 0;
+}
+
+static inline int gpio_request_one(unsigned gpio,
+					unsigned long flags, const char *label)
+{
+	return 0;
+}
+
+static inline int gpio_request_array(struct gpio *array, size_t num)
+{
+	return 0;
+}
+
+static inline void gpio_free(unsigned gpio)
+{
+}
+
+static inline void gpio_free_array(struct gpio *array, size_t num)
+{
+}
+
+static inline int gpio_set_debounce(unsigned gpio, unsigned debounce)
+{
+	return -ENOSYS;
+}
+
+static inline int gpio_export(unsigned gpio, bool direction_may_change)
+{
+	return -ENOSYS;
+}
+
+static inline int gpio_export_link(struct device *dev, const char *name,
+				   unsigned gpio)
+{
+	return -ENOSYS;
+}
+
+static inline int gpio_sysfs_set_active_low(unsigned gpio, int value)
+{
+	return -ENOSYS;
+}
+
+static inline void gpio_unexport(unsigned gpio)
+{
+}
+
+#endif	/* !CONFIG_ALCHEMY_GPIO_INDIRECT */
+
+#endif	/* CONFIG_ALCHEMY_GPIOINT_AU1000 */
+
+#endif	/* !CONFIG_GPIOLIB */
+
+#endif /* _ALCHEMY_GPIO_AU1000_H_ */