msm_hsusb.h

Go to the documentation of this file.

/* linux/include/asm-arm/arch-msm/hsusb.h
 *
 * Copyright (C) 2008 Google, Inc.
 * Author: Brian Swetland <[email protected]>
 * Copyright (c) 2009-2011, 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 __ASM_ARCH_MSM_HSUSB_H
#define __ASM_ARCH_MSM_HSUSB_H

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

enum usb_mode_type {
    USB_NONE = 0,
    USB_PERIPHERAL,
    USB_HOST,
    USB_OTG,
};

enum otg_control_type {
    OTG_NO_CONTROL = 0,
    OTG_PHY_CONTROL,
    OTG_PMIC_CONTROL,
    OTG_USER_CONTROL,
};

enum msm_usb_phy_type {
    INVALID_PHY = 0,
    CI_45NM_INTEGRATED_PHY,
    SNPS_28NM_INTEGRATED_PHY,
};

#define IDEV_CHG_MAX    1500
#define IUNIT       100

enum usb_chg_state {
    USB_CHG_STATE_UNDEFINED = 0,
    USB_CHG_STATE_WAIT_FOR_DCD,
    USB_CHG_STATE_DCD_DONE,
    USB_CHG_STATE_PRIMARY_DONE,
    USB_CHG_STATE_SECONDARY_DONE,
    USB_CHG_STATE_DETECTED,
};

enum usb_chg_type {
    USB_INVALID_CHARGER = 0,
    USB_SDP_CHARGER,
    USB_DCP_CHARGER,
    USB_CDP_CHARGER,
};

struct msm_otg_platform_data {
    int *phy_init_seq;
    void (*vbus_power)(bool on);
    unsigned power_budget;
    enum usb_mode_type mode;
    enum otg_control_type otg_control;
    enum usb_mode_type default_mode;
    enum msm_usb_phy_type phy_type;
    void (*setup_gpio)(enum usb_otg_state state);
    char *pclk_src_name;
};

struct msm_otg {
    struct usb_phy phy;
    struct msm_otg_platform_data *pdata;
    int irq;
    struct clk *clk;
    struct clk *pclk;
    struct clk *pclk_src;
    struct clk *phy_reset_clk;
    struct clk *core_clk;
    void __iomem *regs;
#define ID      0
#define B_SESS_VLD  1
    unsigned long inputs;
    struct work_struct sm_work;
    atomic_t in_lpm;
    int async_int;
    unsigned cur_power;
    struct delayed_work chg_work;
    enum usb_chg_state chg_state;
    enum usb_chg_type chg_type;
    u8 dcd_retries;
};

#endif