--- /dev/null
+/* linux/include/asm-arm/arch-msm/hsusb.h
+ *
+ * Copyright (C) 2008 Google, Inc.
+ * Author: Brian Swetland <swetland@google.com>
+ * 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>
+#include <linux/clk.h>
+
+/**
+ * OTG control
+ *
+ * OTG_NO_CONTROL Id/VBUS notifications not required. Useful in host
+ * only configuration.
+ * OTG_PHY_CONTROL Id/VBUS notifications comes form USB PHY.
+ * OTG_PMIC_CONTROL Id/VBUS notifications comes from PMIC hardware.
+ * OTG_USER_CONTROL Id/VBUS notifcations comes from User via sysfs.
+ *
+ */
+enum otg_control_type {
+ OTG_NO_CONTROL = 0,
+ OTG_PHY_CONTROL,
+ OTG_PMIC_CONTROL,
+ OTG_USER_CONTROL,
+};
+
+/**
+ * PHY used in
+ *
+ * INVALID_PHY Unsupported PHY
+ * CI_45NM_INTEGRATED_PHY Chipidea 45nm integrated PHY
+ * SNPS_28NM_INTEGRATED_PHY Synopsis 28nm integrated PHY
+ *
+ */
+enum msm_usb_phy_type {
+ INVALID_PHY = 0,
+ CI_45NM_INTEGRATED_PHY,
+ SNPS_28NM_INTEGRATED_PHY,
+};
+
+#define IDEV_CHG_MAX 1500
+#define IUNIT 100
+
+/**
+ * Different states involved in USB charger detection.
+ *
+ * USB_CHG_STATE_UNDEFINED USB charger is not connected or detection
+ * process is not yet started.
+ * USB_CHG_STATE_WAIT_FOR_DCD Waiting for Data pins contact.
+ * USB_CHG_STATE_DCD_DONE Data pin contact is detected.
+ * USB_CHG_STATE_PRIMARY_DONE Primary detection is completed (Detects
+ * between SDP and DCP/CDP).
+ * USB_CHG_STATE_SECONDARY_DONE Secondary detection is completed (Detects
+ * between DCP and CDP).
+ * USB_CHG_STATE_DETECTED USB charger type is determined.
+ *
+ */
+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,
+};
+
+/**
+ * USB charger types
+ *
+ * USB_INVALID_CHARGER Invalid USB charger.
+ * USB_SDP_CHARGER Standard downstream port. Refers to a downstream port
+ * on USB2.0 compliant host/hub.
+ * USB_DCP_CHARGER Dedicated charger port (AC charger/ Wall charger).
+ * USB_CDP_CHARGER Charging downstream port. Enumeration can happen and
+ * IDEV_CHG_MAX can be drawn irrespective of USB state.
+ *
+ */
+enum usb_chg_type {
+ USB_INVALID_CHARGER = 0,
+ USB_SDP_CHARGER,
+ USB_DCP_CHARGER,
+ USB_CDP_CHARGER,
+};
+
+/**
+ * struct msm_otg_platform_data - platform device data
+ * for msm_otg driver.
+ * @phy_init_seq: PHY configuration sequence values. Value of -1 is reserved as
+ * "do not overwrite default vaule at this address".
+ * @phy_init_sz: PHY configuration sequence size.
+ * @vbus_power: VBUS power on/off routine.
+ * @power_budget: VBUS power budget in mA (0 will be treated as 500mA).
+ * @mode: Supported mode (OTG/peripheral/host).
+ * @otg_control: OTG switch controlled by user/Id pin
+ */
+struct msm_otg_platform_data {
+ int *phy_init_seq;
+ int phy_init_sz;
+ void (*vbus_power)(bool on);
+ unsigned power_budget;
+ enum usb_dr_mode mode;
+ enum otg_control_type otg_control;
+ enum msm_usb_phy_type phy_type;
+ void (*setup_gpio)(enum usb_otg_state state);
+};
+
+/**
+ * struct msm_otg: OTG driver data. Shared by HCD and DCD.
+ * @otg: USB OTG Transceiver structure.
+ * @pdata: otg device platform data.
+ * @irq: IRQ number assigned for HSUSB controller.
+ * @clk: clock struct of usb_hs_clk.
+ * @pclk: clock struct of usb_hs_pclk.
+ * @core_clk: clock struct of usb_hs_core_clk.
+ * @regs: ioremapped register base address.
+ * @inputs: OTG state machine inputs(Id, SessValid etc).
+ * @sm_work: OTG state machine work.
+ * @in_lpm: indicates low power mode (LPM) state.
+ * @async_int: Async interrupt arrived.
+ * @cur_power: The amount of mA available from downstream port.
+ * @chg_work: Charger detection work.
+ * @chg_state: The state of charger detection process.
+ * @chg_type: The type of charger attached.
+ * @dcd_retires: The retry count used to track Data contact
+ * detection process.
+ */
+struct msm_otg {
+ struct usb_phy phy;
+ struct msm_otg_platform_data *pdata;
+ int irq;
+ struct clk *clk;
+ struct clk *pclk;
+ 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;
+ int phy_number;
+ struct delayed_work chg_work;
+ enum usb_chg_state chg_state;
+ enum usb_chg_type chg_type;
+ u8 dcd_retries;
+ struct regulator *v3p3;
+ struct regulator *v1p8;
+ struct regulator *vddcx;
+
+ struct reset_control *phy_rst;
+ struct reset_control *link_rst;
+ int vdd_levels[3];
+};
+
+#endif
Code Review / kvmfornfv.git / blobdiff