1 files changed, 61 insertions, 0 deletions
diff --git a/arch/arm/mach-msm/gpio_chip.h b/arch/arm/mach-msm/gpio_chip.h
new file mode 100644
index 000000000000..39ccc0f0ed8e
--- /dev/null
+++ b/arch/arm/mach-msm/gpio_chip.h
@@ -0,0 +1,61 @@
+/* arch/arm/mach-msm/gpio_chip.h
+ *
+ * Copyright (C) 2007 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _LINUX_GPIO_CHIP_H
+#define _LINUX_GPIO_CHIP_H
+
+#include <linux/list.h>
+
+struct gpio_chip {
+	struct list_head list;
+	struct gpio_state *state;
+
+	unsigned int start;
+	unsigned int end;
+
+	int (*configure)(struct gpio_chip *chip, unsigned int gpio, unsigned long flags);
+	int (*get_irq_num)(struct gpio_chip *chip, unsigned int gpio, unsigned int *irqp, unsigned long *irqnumflagsp);
+	int (*read)(struct gpio_chip *chip, unsigned int gpio);
+	int (*write)(struct gpio_chip *chip, unsigned int gpio, unsigned on);
+	int (*read_detect_status)(struct gpio_chip *chip, unsigned int gpio);
+	int (*clear_detect_status)(struct gpio_chip *chip, unsigned int gpio);
+};
+
+struct msm_gpio_regs {
+	void __iomem *out;
+	void __iomem *in;
+	void __iomem *int_status;
+	void __iomem *int_clear;
+	void __iomem *int_en;
+	void __iomem *int_edge;
+	void __iomem *int_pos;
+	void __iomem *oe;
+};
+
+#define MSM_GPIO_BROKEN_INT_CLEAR 1
+
+struct msm_gpio_chip {
+	struct gpio_chip        chip;
+	struct msm_gpio_regs    regs;
+#if MSM_GPIO_BROKEN_INT_CLEAR
+	unsigned                int_status_copy;
+#endif
+	unsigned int            both_edge_detect;
+	unsigned int            int_enable[2]; /* 0: awake, 1: sleep */
+};
+
+int register_gpio_chip(struct gpio_chip *gpio_chip);
+
+#endif