root/include/linux/phy/omap_usb.h

DEFINITIONS

1. omap_usb2_set_comparator
2. omap_usb_readl
3. omap_usb_writel

/*
 * omap_usb.h -- omap usb2 phy header file
 *
 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Author: Kishon Vijay Abraham I <kishon@ti.com>
 *
 * 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 __DRIVERS_OMAP_USB2_H
#define __DRIVERS_OMAP_USB2_H

#include <linux/io.h>
#include <linux/usb/otg.h>

struct usb_dpll_params {
        u16     m;
        u8      n;
        u8      freq:3;
        u8      sd;
        u32     mf;
};

struct omap_usb {
        struct usb_phy          phy;
        struct phy_companion    *comparator;
        void __iomem            *pll_ctrl_base;
        void __iomem            *phy_base;
        struct device           *dev;
        struct device           *control_dev;
        struct clk              *wkupclk;
        struct clk              *optclk;
        u8                      flags;
};

struct usb_phy_data {
        const char *label;
        u8 flags;
};

/* Driver Flags */
#define OMAP_USB2_HAS_START_SRP (1 << 0)
#define OMAP_USB2_HAS_SET_VBUS (1 << 1)
#define OMAP_USB2_CALIBRATE_FALSE_DISCONNECT (1 << 2)

#define phy_to_omapusb(x)       container_of((x), struct omap_usb, phy)

#if defined(CONFIG_OMAP_USB2) || defined(CONFIG_OMAP_USB2_MODULE)
extern int omap_usb2_set_comparator(struct phy_companion *comparator);
#else
static inline int omap_usb2_set_comparator(struct phy_companion *comparator)
{
        return -ENODEV;
}
#endif

static inline u32 omap_usb_readl(void __iomem *addr, unsigned offset)
{
        return __raw_readl(addr + offset);
}

static inline void omap_usb_writel(void __iomem *addr, unsigned offset,
        u32 data)
{
        __raw_writel(data, addr + offset);
}

#endif /* __DRIVERS_OMAP_USB_H */