1 files changed, 72 insertions, 0 deletions
diff --git a/arch/arm/mach-msm/include/mach/msm_otg.h b/arch/arm/mach-msm/include/mach/msm_otg.h
new file mode 100644
index 000000000000..6ab662921fee
--- /dev/null
+++ b/arch/arm/mach-msm/include/mach/msm_otg.h
@@ -0,0 +1,72 @@
+/* Copyright (c) 2009, Code Aurora Forum. All rights reserved.
+ *
+ * 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 __ARCH_ARM_MACH_MSM_OTG_H
+#define __ARCH_ARM_MACH_MSM_OTG_H
+
+/*
+ * The otg driver needs to interact with both device side and host side
+ * usb controllers.  it decides which controller is active at a given
+ * moment, using the transceiver, ID signal.
+ */
+
+struct msm_otg_transceiver {
+	struct device		*dev;
+	struct clk		*clk;
+	struct clk		*pclk;
+	int			in_lpm;
+	struct msm_otg_ops	*dcd_ops;
+	struct msm_otg_ops	*hcd_ops;
+	int			irq;
+	int			flags;
+	int			state;
+	int			active;
+	void __iomem		*regs;		/* device memory/io */
+	struct work_struct	work;
+	spinlock_t		lock;
+
+	/* bind/unbind the host controller */
+	int	(*set_host)(struct msm_otg_transceiver *otg,
+				struct msm_otg_ops *hcd_ops);
+
+	/* bind/unbind the peripheral controller */
+	int	(*set_peripheral)(struct msm_otg_transceiver *otg,
+				struct msm_otg_ops *dcd_ops);
+	void    (*set_suspend) (int on);
+
+};
+
+struct msm_otg_ops {
+	void		(*status_change)(int);
+};
+
+/* for usb host and peripheral controller drivers */
+#ifdef CONFIG_USB_MSM_OTG
+
+extern struct msm_otg_transceiver *msm_otg_get_transceiver(void);
+extern void msm_otg_put_transceiver(struct msm_otg_transceiver *xceiv);
+
+#else
+
+static inline struct msm_otg_transceiver *msm_otg_get_transceiver(void)
+{
+	return NULL;
+}
+
+static inline void msm_otg_put_transceiver(struct msm_otg_transceiver *xceiv)
+{
+}
+
+#endif /*CONFIG_USB_MSM_OTG*/
+
+#endif