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, 102 insertions, 0 deletions

diff --git a/arch/mips/bcm47xx/gpio.c b/arch/mips/bcm47xx/gpio.c
new file mode 100644
index 00000000..5ebdf62e
--- /dev/null
+++ b/arch/mips/bcm47xx/gpio.c
@@ -0,0 +1,102 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
+ */
+
+#include <linux/export.h>
+#include <linux/ssb/ssb.h>
+#include <linux/ssb/ssb_driver_chipcommon.h>
+#include <linux/ssb/ssb_driver_extif.h>
+#include <asm/mach-bcm47xx/bcm47xx.h>
+#include <asm/mach-bcm47xx/gpio.h>
+
+#if (BCM47XX_CHIPCO_GPIO_LINES > BCM47XX_EXTIF_GPIO_LINES)
+static DECLARE_BITMAP(gpio_in_use, BCM47XX_CHIPCO_GPIO_LINES);
+#else
+static DECLARE_BITMAP(gpio_in_use, BCM47XX_EXTIF_GPIO_LINES);
+#endif
+
+int gpio_request(unsigned gpio, const char *tag)
+{
+	switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+	case BCM47XX_BUS_TYPE_SSB:
+		if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco) &&
+		    ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES))
+			return -EINVAL;
+
+		if (ssb_extif_available(&bcm47xx_bus.ssb.extif) &&
+		    ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES))
+			return -EINVAL;
+
+		if (test_and_set_bit(gpio, gpio_in_use))
+			return -EBUSY;
+
+		return 0;
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+	case BCM47XX_BUS_TYPE_BCMA:
+		if (gpio >= BCM47XX_CHIPCO_GPIO_LINES)
+			return -EINVAL;
+
+		if (test_and_set_bit(gpio, gpio_in_use))
+			return -EBUSY;
+
+		return 0;
+#endif
+	}
+	return -EINVAL;
+}
+EXPORT_SYMBOL(gpio_request);
+
+void gpio_free(unsigned gpio)
+{
+	switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+	case BCM47XX_BUS_TYPE_SSB:
+		if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco) &&
+		    ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES))
+			return;
+
+		if (ssb_extif_available(&bcm47xx_bus.ssb.extif) &&
+		    ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES))
+			return;
+
+		clear_bit(gpio, gpio_in_use);
+		return;
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+	case BCM47XX_BUS_TYPE_BCMA:
+		if (gpio >= BCM47XX_CHIPCO_GPIO_LINES)
+			return;
+
+		clear_bit(gpio, gpio_in_use);
+		return;
+#endif
+	}
+}
+EXPORT_SYMBOL(gpio_free);
+
+int gpio_to_irq(unsigned gpio)
+{
+	switch (bcm47xx_bus_type) {
+#ifdef CONFIG_BCM47XX_SSB
+	case BCM47XX_BUS_TYPE_SSB:
+		if (ssb_chipco_available(&bcm47xx_bus.ssb.chipco))
+			return ssb_mips_irq(bcm47xx_bus.ssb.chipco.dev) + 2;
+		else if (ssb_extif_available(&bcm47xx_bus.ssb.extif))
+			return ssb_mips_irq(bcm47xx_bus.ssb.extif.dev) + 2;
+		else
+			return -EINVAL;
+#endif
+#ifdef CONFIG_BCM47XX_BCMA
+	case BCM47XX_BUS_TYPE_BCMA:
+		return bcma_core_mips_irq(bcm47xx_bus.bcma.bus.drv_cc.core) + 2;
+#endif
+	}
+	return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(gpio_to_irq);